From f5eaada622b022f82d86efc61c0192a2e7148805 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 22 Mar 2016 16:47:40 +0100 Subject: [PATCH 001/340] Dump packet in 'od' format --- src/apps/lwaftr/lwdebug.lua | 33 +++++++++++++++++++++++++++++++-- 1 file changed, 31 insertions(+), 2 deletions(-) diff --git a/src/apps/lwaftr/lwdebug.lua b/src/apps/lwaftr/lwdebug.lua index bb58b1c978..47fbf95a36 100644 --- a/src/apps/lwaftr/lwdebug.lua +++ b/src/apps/lwaftr/lwdebug.lua @@ -33,9 +33,38 @@ function print_hex(data, len) print(table.concat(gen_hex_bytes(data, len), " ")) end +-- Formats packet in 'od' format: +-- +-- 000000 00 0e b6 00 00 02 00 0e b6 00 00 01 08 00 45 00 +-- 000010 00 28 00 00 00 00 ff 01 37 d1 c0 00 02 01 c0 00 +-- 000020 02 02 08 00 a6 2f 00 01 00 01 48 65 6c 6c 6f 20 +-- 000030 57 6f 72 6c 64 21 +-- +-- A packet text dump in 'od' format can be easily converted into a pcap file: +-- +-- $ text2pcap pkt.txt pkt.pcap +--- +local function od_dump(pkt) + local function column_index(i) + return ("%.6x"):format(i) + end + local function column_value(val) + return ("%.2x"):format(val) + end + local ret = {} + for i=0, pkt.length-1 do + if i == 0 then + table.insert(ret, column_index(i)) + elseif i % 16 == 0 then + table.insert(ret, "\n"..column_index(i)) + end + table.insert(ret, column_value(pkt.data[i])) + end + return table.concat(ret, " ") +end + function print_pkt(pkt) - local fbytes = gen_hex_bytes(pkt.data, pkt.length) - print(string.format("Len: %i: ", pkt.length) .. table.concat(fbytes, " ")) + print(("Len: %i, data:\n%s"):format(pkt.length, od_dump(pkt))) end function format_ipv4(uint32) From 000b99e6bf475e0faf69b4d7b0c42997b1b7b472 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 22 Mar 2016 18:36:05 +0100 Subject: [PATCH 002/340] Return source ethernet if Target Link is not present --- src/apps/lwaftr/ndp.lua | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/src/apps/lwaftr/ndp.lua b/src/apps/lwaftr/ndp.lua index c2c5f29535..d740639374 100644 --- a/src/apps/lwaftr/ndp.lua +++ b/src/apps/lwaftr/ndp.lua @@ -151,6 +151,12 @@ function is_neighbor_solicitation_for_ips(pkt, local_ips) return false end +local function to_ether_addr(pkt, offset) + local ether_src = ffi.new("uint8_t[?]", 6) + ffi.copy(ether_src, pkt.data + offset, 6) + return ether_src +end + -- The option format is, for ethernet networks: -- 1 byte option type, 1 byte option length (in chunks of 8 bytes) -- 6 bytes MAC address @@ -161,7 +167,13 @@ function get_dst_ethernet(pkt, target_ipv6_addrs) if ipv6_equals(target_ipv6_addrs[i], pkt.data + na_addr_offset) then local na_option_offset = eth_ipv6_size + o_icmp_first_option if pkt.data[na_option_offset] == option_target_link_layer_address then - return pkt.data + na_option_offset + 2 + return to_ether_addr(pkt, na_option_offset + 2) + end + -- When responding to unicast solicitations, the option can be omitted + -- since the sender of the solicitation has the correct link-layer + -- address (See 4.4. Neighbor Advertisement Message Format) + if pkt.length == na_option_offset then + return to_ether_addr(pkt, 6) end end end From 08525ddc21fa2e53859d4586ff9bd08384f3e3a2 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 22 Mar 2016 18:36:36 +0100 Subject: [PATCH 003/340] Assert destination ethernet address in selftest --- src/apps/lwaftr/ndp.lua | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/apps/lwaftr/ndp.lua b/src/apps/lwaftr/ndp.lua index d740639374..e0b6567a9d 100644 --- a/src/apps/lwaftr/ndp.lua +++ b/src/apps/lwaftr/ndp.lua @@ -401,7 +401,8 @@ function selftest() set_dst_ethernet(nsp, lmac) -- Not a meaningful thing to do, just a test local sol_na = form_nsolicitation_reply(lmac, lip, nsp) - get_dst_ethernet(sol_na, {rip}) + local dst_eth = get_dst_ethernet(sol_na, {rip}) + assert(ethernet:ntop(dst_eth) == "01:02:03:04:05:06") assert(sol_na, "an na packet should have been formed") assert(is_ndp(sol_na), "sol_na must be ndp!") assert(is_solicited_neighbor_advertisement(sol_na), "sol_na must be sna!") From abe658418d297e4c8b2b6312a748224dc18cfb1d Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 22 Mar 2016 20:42:19 +0100 Subject: [PATCH 004/340] Add Neighbor Advertisement unit test --- src/apps/lwaftr/ndp.lua | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/src/apps/lwaftr/ndp.lua b/src/apps/lwaftr/ndp.lua index e0b6567a9d..6defe9e4a0 100644 --- a/src/apps/lwaftr/ndp.lua +++ b/src/apps/lwaftr/ndp.lua @@ -391,7 +391,24 @@ function form_nsolicitation_reply(local_eth, local_ipv6, ns_pkt) return form_sna(local_eth, local_ipv6, true, ns_pkt) end +local function test_ndp_without_target_link() + local lib = require("core.lib") + -- Neighbor Advertisement packet. + local na_pkt = lib.hexundump([[ + 02:aa:aa:aa:aa:aa 90:e2:ba:a9:89:2d 86 dd 60 00 + 00 00 00 18 3a ff fe 80 00 00 00 00 00 00 92 e2 + ba ff fe a9 89 2d fc 00 00 00 00 00 00 00 00 00 + 00 00 00 00 01 00 88 00 92 36 40 00 00 00 fe 80 + 00 00 00 00 00 00 92 e2 ba ff fe a9 89 2d + ]], 78) + local dst_eth = get_dst_ethernet(packet.from_string(na_pkt), + {ipv6:pton("fe80::92e2:baff:fea9:892d")}) + assert(ethernet:ntop(dst_eth) == "90:e2:ba:a9:89:2d") +end + function selftest() + print("selftest: ndp") + local lmac = ethernet:pton("01:02:03:04:05:06") local lip = ipv6:pton("1:2:3:4:5:6:7:8") local rip = ipv6:pton("9:a:b:c:d:e:f:0") @@ -406,4 +423,8 @@ function selftest() assert(sol_na, "an na packet should have been formed") assert(is_ndp(sol_na), "sol_na must be ndp!") assert(is_solicited_neighbor_advertisement(sol_na), "sol_na must be sna!") + + test_ndp_without_target_link() + + print("selftest: ok") end From e2bf05ca4cd428c538848e0a16fb1de095946353 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 4 Mar 2016 16:04:20 +0100 Subject: [PATCH 005/340] Clear out Flags in ICMPv4 echo-reply It's a common practice in ping packets to set the Flags field of the IPv4 header with value DF (Don't Fragment). The reason for that is implementation of Path MTU discovery [1] Echo-reply packets are generated by copying an echo-request payload and swapping IP addresses plus changing message type. The Flags field should be cleared out in the echo-reply packet. [1] https://en.wikipedia.org/wiki/Path_MTU_Discovery --- src/apps/lwaftr/ipv4_apps.lua | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index de8709c89a..52df3eb47e 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -183,6 +183,9 @@ function ICMPEcho:push() local ihl = get_ihl_from_offset(pkt, o_ipv4_ver_and_ihl) pkt.data[o_icmpv4_msg_type_sans_ihl + ihl] = icmpv4_echo_reply + -- Clear out flags + pkt_ipv4:flags(0) + -- Recalculate checksums wr16(pkt.data + o_icmpv4_checksum_sans_ihl + ihl, 0) local icmp_offset = ethernet_header_size + ihl From 0b5c3133f5fb7a69ee6d2cc65b2b419c4ec1c087 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 4 Apr 2016 13:10:27 +0200 Subject: [PATCH 006/340] Add method timer.deactivate(name) Searches timer by name and removes it from the list of timers. In case 'name' is a timer, it searches by timer.name. --- src/core/timer.lua | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/src/core/timer.lua b/src/core/timer.lua index 71a3afd2e3..2cf6f51cc9 100644 --- a/src/core/timer.lua +++ b/src/core/timer.lua @@ -60,6 +60,32 @@ function activate (t) end end +local function find_timer (name) + for tick, set in pairs(timers) do + for i, t in ipairs(set) do + if t.name == name then + return tick, i + end + end + end + return nil +end + +local function is_timer (t) + return type(t) == "table" and (t.name and t.fn and t.ticks) +end + +function deactivate (timer_or_name) + local name = timer_or_name + if is_timer(timer_or_name) then + name = timer_or_name.name + end + assert(type(name) == "string", "Incorrect value. Timer name expected") + local tick, pos = find_timer(name) + if not tick then return end + table.remove(timers[tick], pos) +end + function new (name, fn, nanos, mode) return { name = name, fn = fn, @@ -69,6 +95,12 @@ end function selftest () print("selftest: timer") + + -- Test deactivate. + local t = new("timer", function() end, 1e6) + activate(t) + deactivate(t) + ticks = 0 local ntimers, runtime = 10000, 100000 local count, expected_count = 0, 0 From 0cae54914bdd8cca7a3a30f90cc9399f72f56486 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 4 Apr 2016 13:10:48 +0200 Subject: [PATCH 007/340] Retry Neighbour Solicitations during time limit When an IPv6 address needs to be resolved into a MAC address, send Neighbour Solicitations continuously during NS_RETRY_THRESHOLD seconds. Once the address is resolved, solicitations requests stop. In case the threshold limit expires, program exists. --- src/apps/lwaftr/ipv6_apps.lua | 31 ++++++++++++++++++++++++++----- 1 file changed, 26 insertions(+), 5 deletions(-) diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 958fd75434..1e70487371 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -165,6 +165,8 @@ function Fragmenter:push () end end +local NS_RESOLVE_THRESHOLD = 5 -- Time limit to resolve IPv6 addr to MAC. + -- TODO: handle any NS retry policy code here function NDP:new(conf) local o = setmetatable({}, {__index=NDP}) @@ -172,10 +174,7 @@ function NDP:new(conf) -- TODO: verify that the src and dst ipv6 addresses and src mac address -- have been provided, in pton format. if not conf.dst_eth then - o.ns_pkt = ndp.form_ns(conf.src_eth, conf.src_ipv6, conf.dst_ipv6) o.do_ns_request = true - else - o.do_ns_request = false end o.dst_eth = conf.dst_eth -- Intentionally nil if to request by NS o.all_local_ipv6_ips = conf.all_ipv6_addrs @@ -186,8 +185,28 @@ function NDP:push() local isouth, osouth = self.input.south, self.output.south local inorth, onorth = self.input.north, self.output.north if self.do_ns_request then - self.do_ns_request = false -- TODO: have retries, etc - transmit(osouth, packet.clone(self.ns_pkt)) + self.do_ns_request = false + local ns_pkt = ndp.form_ns(self.conf.src_eth, self.conf.src_ipv6, + self.conf.dst_ipv6) + + -- Send new NS solicitation every second. + timer.activate(timer.new("retry_ns", + function () + transmit(osouth, packet.clone(ns_pkt)) + end, + 1e9, + "repeating")) + + -- Abort execution if NS_RESOLVE_THRESHOLD expires. + local function abort() + error(("Could not resolve IPv6 address: %s"):format( + ipv6:ntop(self.conf.dst_ipv6))) + main.exit(1) + end + timer.activate(timer.new("retry_ns_threshold", + abort, + NS_RESOLVE_THRESHOLD * 1e9)) + -- TODO: do unsolicited neighbor advertisement on start and on -- configuration reloads? -- This would be an optimization, not a correctness issue @@ -199,6 +218,8 @@ function NDP:push() local dst_ethernet = ndp.get_dst_ethernet(p, {self.conf.dst_ipv6}) if dst_ethernet then self.dst_eth = dst_ethernet + timer.deactivate("retry_ns_threshold") + timer.deactivate("retry_ns") end packet.free(p) elseif ndp.is_neighbor_solicitation_for_ips(p, self.all_local_ipv6_ips) then From 5edd4a2947da21ea06981187a5261630ac187220 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 4 Apr 2016 21:46:42 +0200 Subject: [PATCH 008/340] Send NS packet inmediately and retry after every second --- src/apps/lwaftr/ipv6_apps.lua | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 1e70487371..5520bde76f 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -188,8 +188,10 @@ function NDP:push() self.do_ns_request = false local ns_pkt = ndp.form_ns(self.conf.src_eth, self.conf.src_ipv6, self.conf.dst_ipv6) + -- Send a NS packet inmediately. + transmit(osouth, packet.clone(ns_pkt)) - -- Send new NS solicitation every second. + -- Send a new NS packet after every second. timer.activate(timer.new("retry_ns", function () transmit(osouth, packet.clone(ns_pkt)) From 04b3d8f51ded8b31eeb91d21910020a190515363 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Mon, 4 Apr 2016 19:23:58 +0200 Subject: [PATCH 009/340] Added ARP support to the lwaftr. This is similar to the support for NDP: - arp.lua forms request and reply packets - ipv4_apps.lua handles policy in the ARP app - setup.lua glues it into the lwaftr's app network. --- src/apps/lwaftr/arp.lua | 151 ++++++++++++++++++ src/apps/lwaftr/conf.lua | 4 +- src/apps/lwaftr/ipv4_apps.lua | 60 +++++++ src/apps/lwaftr/ipv6_apps.lua | 2 +- src/apps/lwaftr/lwaftr.lua | 2 +- src/apps/lwaftr/lwutil.lua | 4 + src/apps/lwaftr/ndp.lua | 10 +- src/program/lwaftr/setup.lua | 5 + src/program/lwaftr/tests/data/add-vlan.sh | 3 + .../lwaftr/tests/data/arp_reply_send.pcap | Bin 0 -> 82 bytes .../lwaftr/tests/data/arp_request_recv.pcap | Bin 0 -> 82 bytes .../lwaftr/tests/data/arp_request_send.pcap | Bin 0 -> 82 bytes .../tests/data/tunnel_icmp_without_mac4.conf | 17 ++ .../tests/data/vlan/arp_reply_send.pcap | Bin 0 -> 86 bytes .../tests/data/vlan/arp_request_recv.pcap | Bin 0 -> 86 bytes .../tests/data/vlan/arp_request_send.pcap | Bin 0 -> 86 bytes .../tests/end-to-end/end-to-end-vlan.sh | 10 ++ .../lwaftr/tests/end-to-end/end-to-end.sh | 10 ++ 18 files changed, 268 insertions(+), 10 deletions(-) create mode 100644 src/apps/lwaftr/arp.lua create mode 100644 src/program/lwaftr/tests/data/arp_reply_send.pcap create mode 100644 src/program/lwaftr/tests/data/arp_request_recv.pcap create mode 100644 src/program/lwaftr/tests/data/arp_request_send.pcap create mode 100644 src/program/lwaftr/tests/data/tunnel_icmp_without_mac4.conf create mode 100644 src/program/lwaftr/tests/data/vlan/arp_reply_send.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/arp_request_recv.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/arp_request_send.pcap diff --git a/src/apps/lwaftr/arp.lua b/src/apps/lwaftr/arp.lua new file mode 100644 index 0000000000..19e95de033 --- /dev/null +++ b/src/apps/lwaftr/arp.lua @@ -0,0 +1,151 @@ +module(..., package.seeall) + +-- ARP address resolution (RFC 826) +-- Note: all incoming configurations are assumed to be in network byte order. + +-- Given a remote IPv4 address, try to find out its MAC address. +-- If resolution succeeds: +-- All packets coming through the 'south' interface (ie, via the network card) +-- are silently forwarded (unless dropped by the network card). +-- All packets coming through the 'north' interface (the lwaftr) will have +-- their Ethernet headers rewritten. + +-- Expected configuration: +-- lwaftr <-> ipv4 fragmentation app <-> lw_eth_resolve <-> vlan tag handler +-- That is, neither fragmentation nor vlan tagging are within the scope of this app. + +--[[ Packet format (IPv4/Ethernet), as described on Wikipedia. +Internet Protocol (IPv4) over Ethernet ARP packet +octet offset 0 1 +0 Hardware type (HTYPE) +2 Protocol type (PTYPE) +4 Hardware address length (HLEN) Protocol address length (PLEN) +6 Operation (OPER) +8 Sender hardware address (SHA) (first 2 bytes) +10 (next 2 bytes) +12 (last 2 bytes) +14 Sender protocol address (SPA) (first 2 bytes) +16 (last 2 bytes) +18 Target hardware address (THA) (first 2 bytes) +20 (next 2 bytes) +22 (last 2 bytes) +24 Target protocol address (TPA) (first 2 bytes) +26 (last 2 bytes) +--]] + + +local ffi = require("ffi") +local C = ffi.C +local packet = require("core.packet") + +local datagram = require("lib.protocol.datagram") +local ethernet = require("lib.protocol.ethernet") + +local constants = require("apps.lwaftr.constants") +local lwutil = require("apps.lwaftr.lwutil") + +local rd16, wr16 = lwutil.rd16, lwutil.wr16 + +local ethernet_header_size = constants.ethernet_header_size +local o_ethernet_ethertype = constants.o_ethernet_ethertype + +-- local onstants +local arp_request = C.htons(1) +local arp_reply = C.htons(2) + +local unknown_eth = ethernet:pton("00:00:00:00:00:00") +local ethernet_broadcast = ethernet:pton("ff:ff:ff:ff:ff:ff") + +local ethernet_htype = C.htons(1) +local ipv4_ptype = C.htons(0x0800) +local ethernet_hlen = 6 +local ipv4_plen = 4 +local arp_eth_ipv4_size = 28 +local ethertype_arp = 0x0806 +local n_ethertype_arp = C.htons(ethertype_arp) + +local o_htype = 0 +local o_ptype = 2 +local o_hlen = 4 +local o_plen = 5 +local o_oper = 6 +local o_sha = 8 +local o_spa = 14 +local o_tha = 18 +local o_tpa = 24 + +local function write_arp(pkt, oper, local_eth, local_ipv4, remote_eth, remote_ipv4) + wr16(pkt.data + o_htype, ethernet_htype) + wr16(pkt.data + o_ptype, ipv4_ptype) + pkt.data[o_hlen] = ethernet_hlen + pkt.data[o_plen] = ipv4_plen + wr16(pkt.data + o_oper, oper) + ffi.copy(pkt.data + o_sha, local_eth, ethernet_hlen) + ffi.copy(pkt.data + o_spa, local_ipv4, ipv4_plen) + ffi.copy(pkt.data + o_tha, remote_eth, ethernet_hlen) + ffi.copy(pkt.data + o_tpa, remote_ipv4, ipv4_plen) + + pkt.length = arp_eth_ipv4_size +end + +function form_request(src_eth, src_ipv4, dst_ipv4) + local req_pkt = packet.allocate() + write_arp(req_pkt, arp_request, src_eth, src_ipv4, unknown_eth, dst_ipv4) + local dgram = datagram:new(req_pkt) + dgram:push(ethernet:new({ src = src_eth, dst = ethernet_broadcast, + type = ethertype_arp })) + dgram:free() + return req_pkt +end + +function form_reply(local_eth, local_ipv4, arp_request_pkt) + local reply_pkt = packet.allocate() + local base = arp_request_pkt.data + ethernet_header_size + local dst_eth = base + o_sha + local dst_ipv4 = base + o_spa + write_arp(reply_pkt, arp_reply, local_eth, local_ipv4, dst_eth, dst_ipv4) + local dgram = datagram:new(reply_pkt) + dgram:push(ethernet:new({ src = local_eth, dst = dst_eth, + type = ethertype_arp })) + dgram:free() + return reply_pkt +end + +function is_arp(p) + if p.length < ethernet_header_size + arp_eth_ipv4_size then return false end + return rd16(p.data + o_ethernet_ethertype) == n_ethertype_arp +end + +function is_arp_reply(p) + if not is_arp(p) then return false end + return rd16(p.data + ethernet_header_size + o_oper) == arp_reply +end + +function is_arp_request(p) + if not is_arp(p) then return false end + return rd16(p.data + ethernet_header_size + o_oper) == arp_request +end + +-- ARP does a 'who has' request, and the reply is in the *source* fields +function get_isat_ethernet(arp_p, dst_ipv4) + if not is_arp_reply(arp_p) then return nil end + local eth_addr = ffi.new("uint8_t[?]", 6) + ffi.copy(eth_addr, arp_p.data + ethernet_header_size + o_sha, 6) + return eth_addr +end + +function selftest() + local ipv4 = require("lib.protocol.ipv4") + local tlocal_eth = ethernet:pton("01:02:03:04:05:06") + local tlocal_ip = ipv4:pton("1.2.3.4") + local tremote_eth = ethernet:pton("07:08:09:0a:0b:0c") + local tremote_ip = ipv4:pton("6.7.8.9") + local req = form_request(tlocal_eth, tlocal_ip, tremote_ip) + assert(is_arp(req)) + assert(is_arp_request(req)) + local rep = form_reply(tremote_eth, tremote_ip, req) + assert(is_arp(rep)) + assert(is_arp_reply(rep)) + local isat = get_isat_ethernet(rep, tlocal_ip) + assert(C.memcmp(isat, tremote_eth, 6) == 0) +end diff --git a/src/apps/lwaftr/conf.lua b/src/apps/lwaftr/conf.lua index 03b7fba843..cbfbb2ce52 100644 --- a/src/apps/lwaftr/conf.lua +++ b/src/apps/lwaftr/conf.lua @@ -50,6 +50,7 @@ local lwaftr_conf_spec = { inet_mac=Parser.parse_mac, ipv4_mtu=Parser.parse_mtu, ipv6_mtu=Parser.parse_mtu, + next_hop_ipv4_addr=Parser.parse_ipv4, next_hop_ipv6_addr=Parser.parse_ipv6, policy_icmpv4_incoming=Parser.enum_parser(policies), policy_icmpv4_outgoing=Parser.enum_parser(policies), @@ -73,9 +74,10 @@ local lwaftr_conf_spec = { hairpinning=default(true), icmpv6_rate_limiter_n_packets=default(6e5), icmpv6_rate_limiter_n_seconds=default(2), - inet_mac=required('inet_mac'), + inet_mac=required_at_least_one_of('inet_mac', 'next_hop_ipv4_addr'), ipv4_mtu=default(1460), ipv6_mtu=default(1500), + next_hop_ipv4_addr = required_at_least_one_of('next_hop_ipv4_addr', 'inet_mac'), next_hop_ipv6_addr = required_at_least_one_of('next_hop_ipv6_addr', 'next_hop6_mac'), policy_icmpv4_incoming=default(policies.ALLOW), policy_icmpv4_outgoing=default(policies.ALLOW), diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index 52df3eb47e..3e0492c6c4 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -1,5 +1,6 @@ module(..., package.seeall) +local arp = require("apps.lwaftr.arp") local constants = require("apps.lwaftr.constants") local fragmentv4 = require("apps.lwaftr.fragmentv4") local lwutil = require("apps.lwaftr.lwutil") @@ -32,6 +33,7 @@ local icmpv4_echo_reply = constants.icmpv4_echo_reply Reassembler = {} Fragmenter = {} +ARP = {} ICMPEcho = {} function Reassembler:new(conf) @@ -149,6 +151,64 @@ function Fragmenter:push () end end +-- TODO: handle any ARP retry policy code here +function ARP:new(conf) + local o = setmetatable({}, {__index=ARP}) + o.conf = conf + -- TODO: verify that the src and dst ipv4 addresses and src mac address + -- have been provided, in pton format. + if not conf.dst_eth then + o.arp_request_pkt = arp.form_request(conf.src_eth, conf.src_ipv4, conf.dst_ipv4) + o.do_arp_request = true + else + o.do_arp_request = false + end + o.dst_eth = conf.dst_eth -- intentionally nil if to request via ARP + return o +end + +function ARP:push() + local isouth, osouth = self.input.south, self.output.south + local inorth, onorth = self.input.north, self.output.north + if self.do_arp_request then + self.do_arp_request = false -- TODO: have retries, etc + transmit(osouth, packet.clone(self.arp_request_pkt)) + end + for _=1,link.nreadable(isouth) do + local p = receive(isouth) + if arp.is_arp(p) then + if not self.dst_eth and arp.is_arp_reply(p) then + local dst_ethernet = arp.get_isat_ethernet(p, self.conf.dst_ipv4) + if dst_ethernet then + self.dst_eth = dst_ethernet + end + packet.free(p) + elseif arp.is_arp_request(p, self.conf.src_ipv4) then + local arp_reply_pkt = arp.form_reply(self.conf.src_eth, self.conf.src_ipv4, p) + if arp_reply_pkt then + transmit(osouth, arp_reply_pkt) + end + packet.free(p) + else -- incoming ARP that isn't handled; drop it silently + packet.free(p) + end + else + transmit(onorth, p) + end + end + + for _=1,link.nreadable(inorth) do + local p = receive(inorth) + if not self.dst_eth then + -- drop all southbound packets until the next hop's ethernet address is known + packet.free(p) + else + lwutil.set_dst_ethernet(p, self.dst_eth) + transmit(osouth, p) + end + end +end + function ICMPEcho:new(conf) local addresses = {} if conf.address then diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 958fd75434..a5dcddf383 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -221,7 +221,7 @@ function NDP:push() -- drop all southbound packets until the next hop's ethernet address is known packet.free(p) else - ndp.set_dst_ethernet(p, self.dst_eth) + lwutil.set_dst_ethernet(p, self.dst_eth) transmit(osouth, p) end end diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 7a9563849c..7e0c2e206d 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -192,7 +192,7 @@ function LwAftr:new(conf) o.hairpinning = conf.hairpinning o.icmpv6_rate_limiter_n_packets = conf.icmpv6_rate_limiter_n_packets o.icmpv6_rate_limiter_n_seconds = conf.icmpv6_rate_limiter_n_seconds - o.inet_mac = conf.inet_mac + o.inet_mac = conf.inet_mac or ethernet:pton("00:00:00:00:00:00") o.ipv4_mtu = conf.ipv4_mtu o.ipv6_mtu = conf.ipv6_mtu o.policy_icmpv4_incoming = conf.policy_icmpv4_incoming diff --git a/src/apps/lwaftr/lwutil.lua b/src/apps/lwaftr/lwutil.lua index 7bea4c9929..9e7291f057 100644 --- a/src/apps/lwaftr/lwutil.lua +++ b/src/apps/lwaftr/lwutil.lua @@ -69,3 +69,7 @@ end function is_ipv4(pkt) return rd16(pkt.data + o_ethernet_ethertype) == n_ethertype_ipv4 end + +function set_dst_ethernet(pkt, dst_eth) + ffi.copy(pkt.data, dst_eth, 6) +end diff --git a/src/apps/lwaftr/ndp.lua b/src/apps/lwaftr/ndp.lua index 6defe9e4a0..020ba04ca6 100644 --- a/src/apps/lwaftr/ndp.lua +++ b/src/apps/lwaftr/ndp.lua @@ -2,10 +2,11 @@ module(..., package.seeall) -- NDP address resolution. -- Given a remote IPv6 address, try to find out its MAC address. --- Exit if this fails. -- If resolution succeeds: -- All packets coming through the 'south' interface (ie, via the network card) -- are silently forwarded. +-- Note that the network card can drop packets; if it does, they will not get +-- to this app. -- All packets coming through the 'north' interface (the lwaftr) will have -- their Ethernet headers rewritten. @@ -284,11 +285,6 @@ local function form_sna(local_eth, local_ipv6, is_router, soliciting_pkt) return na_pkt end --- This does not deal with vlans -function set_dst_ethernet(pkt, dst_eth) - ffi.copy(pkt.data, dst_eth, 6) -end - local function verify_icmp_checksum(pkt) local offset = ethernet_header_size + o_ipv6_payload_len local icmp_length = C.ntohs(rd16(pkt.data + offset)) @@ -415,7 +411,7 @@ function selftest() local nsp = form_ns(lmac, lip, rip) assert(is_ndp(nsp)) assert(is_solicited_neighbor_advertisement(nsp) == false) - set_dst_ethernet(nsp, lmac) -- Not a meaningful thing to do, just a test + lwutil.set_dst_ethernet(nsp, lmac) -- Not a meaningful thing to do, just a test local sol_na = form_nsolicitation_reply(lmac, lip, nsp) local dst_eth = get_dst_ethernet(sol_na, {rip}) diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index 873d08fb7a..2b0686008e 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -32,6 +32,9 @@ function lwaftr_app(c, conf) { src_ipv6 = conf.aftr_ipv6_ip, src_eth = conf.aftr_mac_b4_side, dst_eth = conf.next_hop6_mac, dst_ipv6 = conf.next_hop_ipv6_addr, all_ipv6_addrs = conf.preloaded_binding_table:get_br_addresses() }) + config.app(c, "arp", ipv4_apps.ARP, + { src_ipv4 = conf.aftr_ipv4_ip, src_eth = conf.aftr_mac_b4_side, + dst_eth = conf.inet_mac, dst_ipv4 = conf.next_hop_ipv4_addr}) local preprocessing_apps_v4 = { "reassemblerv4" } local preprocessing_apps_v6 = { "reassemblerv6" } @@ -55,8 +58,10 @@ function lwaftr_app(c, conf) prepend(postprocessing_apps_v6, "egress_filterv6") end + append(preprocessing_apps_v4, { name = "arp", input = "south", output = "north" }) append(preprocessing_apps_v4, { name = "icmpechov4", input = "south", output = "north" }) prepend(postprocessing_apps_v4, { name = "icmpechov4", input = "north", output = "south" }) + prepend(postprocessing_apps_v4, { name = "arp", input = "north", output = "south" }) append(preprocessing_apps_v6, { name = "ndp", input = "south", output = "north" }) append(preprocessing_apps_v6, { name = "icmpechov6", input = "south", output = "north" }) diff --git a/src/program/lwaftr/tests/data/add-vlan.sh b/src/program/lwaftr/tests/data/add-vlan.sh index 2012ecaf45..6b3b1d33ff 100755 --- a/src/program/lwaftr/tests/data/add-vlan.sh +++ b/src/program/lwaftr/tests/data/add-vlan.sh @@ -11,6 +11,9 @@ # Do not automatically regenerate it. V4=( + arp_reply_send.pcap + arp_request_recv.pcap + arp_request_send.pcap decap-ipv4-nohair.pcap decap-ipv4.pcap icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap diff --git a/src/program/lwaftr/tests/data/arp_reply_send.pcap b/src/program/lwaftr/tests/data/arp_reply_send.pcap new file mode 100644 index 0000000000000000000000000000000000000000..522f53476f71882fc5df61e2402ceda712288237 GIT binary patch literal 82 zcmca|c+)~A1{MYw`2U}Qff2?5(ppf=#KOkG#iIlU9Bd4X91LtM3``I{7Z5;UDi4hH}L literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index d93e2d2c26..97956757bd 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -87,6 +87,16 @@ snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_withoutmac_vlan.conf \ ${EMPTY} ${TEST_DATA}/ndp_getna_compound.pcap \ ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ndp_ns_and_recap.pcap +echo "Testing: ARP: incoming ARP request" +snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ + ${TEST_DATA}/arp_request_recv.pcap ${EMPTY} \ + ${TEST_DATA}/arp_reply_send.pcap ${EMPTY} + +echo "Testing: ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" +snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_without_mac4_vlan.conf \ + ${EMPTY} ${EMPTY} \ + ${TEST_DATA}/arp_request_send.pcap ${EMPTY} + echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound-ttl1.pcap ${EMPTY}\ diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 35a6c97e38..0d0b2dd9b7 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -70,6 +70,16 @@ snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${EMPTY} \ ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap +echo "Testing: ARP: incoming ARP request" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${TEST_BASE}/arp_request_recv.pcap ${EMPTY} \ + ${TEST_BASE}/arp_reply_send.pcap ${EMPTY} + +echo "Testing: ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_without_mac4.conf \ + ${EMPTY} ${EMPTY} \ + ${TEST_BASE}/arp_request_send.pcap ${EMPTY} + # mergecap -F pcap -w ndp_without_dst_eth_compound.pcap tcp-fromb4-ipv6.pcap tcp-fromb4-tob4-ipv6.pcap # mergecap -F pcap -w ndp_ns_and_recap.pcap recap-ipv6.pcap ndp_outgoing_ns.pcap echo "Testing: NDP: Without receiving NA, next_hop6_mac not set" From 21d61451ccd43ca36123af17bb0d039e9f86015a Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 11 Apr 2016 17:07:44 +0200 Subject: [PATCH 010/340] Refactor dump lwAFTR configuration --- src/apps/lwaftr/dump.lua | 149 ++++++++++++++++++++++++++++++--------- 1 file changed, 114 insertions(+), 35 deletions(-) diff --git a/src/apps/lwaftr/dump.lua b/src/apps/lwaftr/dump.lua index 69f952db88..4750b9f464 100644 --- a/src/apps/lwaftr/dump.lua +++ b/src/apps/lwaftr/dump.lua @@ -1,26 +1,14 @@ module(..., package.seeall) local ethernet = require("lib.protocol.ethernet") -local ipv6 = require("lib.protocol.ipv6") local ipv4 = require("lib.protocol.ipv4") +local ipv6 = require("lib.protocol.ipv6") +local binding_table = require("apps.lwaftr.binding_table") +local stream = require("apps.lwaftr.stream") local CONF_FILE_DUMP = "/tmp/lwaftr-%s.conf" local BINDING_TABLE_FILE_DUMP = "/tmp/binding-%s.table" -local function set(...) - local result = {} - for _, v in ipairs({...}) do - result[v] = true - end - return result -end - -local function write_to_file(filename, content) - local fd = io.open(filename, "wt") - fd:write(content) - fd:close() -end - -- 'ip' is in host bit order, convert to network bit order local function ipv4number_to_str(ip) local a = bit.band(ip, 0xff) @@ -30,29 +18,90 @@ local function ipv4number_to_str(ip) return ("%d.%d.%d.%d"):format(a, b, c, d) end -function dump_configuration(lwstate) - print("Dump configuration") +Dumper = {} + +function Dumper.mac (val) + return ethernet:ntop(val) +end + +function Dumper.ipv4 (val) + return ipv4:ntop(val) +end + +function Dumper.ipv6 (val) + return ipv6:ntop(val) +end + +function Dumper.number (val) + assert(tonumber(val), "Not a number") + return tostring(val) +end + +function Dumper.string (val) + assert(tostring(val), "Not a string") + return val +end + +function Dumper.boolean (val) + assert(type(val) == "boolean", "Not a boolean") + return val and "true" or "false" +end + +function Dumper.icmp_policy (val) + if val == 1 then return "DROP" end + if val == 2 then return "ALLOW" end +end + +local lwaftr_conf_spec = { + aftr_ipv4_ip=Dumper.ipv4, + aftr_ipv6_ip=Dumper.ipv6, + aftr_mac_b4_side=Dumper.mac, + aftr_mac_inet_side=Dumper.mac, + next_hop6_mac=Dumper.mac, + binding_table=Dumper.string, + hairpinning=Dumper.boolean, + icmpv6_rate_limiter_n_packets=Dumper.number, + icmpv6_rate_limiter_n_seconds=Dumper.number, + inet_mac=Dumper.mac, + ipv4_mtu=Dumper.number, + ipv6_mtu=Dumper.number, + next_hop_ipv4_addr=Dumper.ipv4, + next_hop_ipv6_addr=Dumper.ipv6, + policy_icmpv4_incoming=Dumper.icmp_policy, + policy_icmpv4_outgoing=Dumper.icmp_policy, + policy_icmpv6_incoming=Dumper.icmp_policy, + policy_icmpv6_outgoing=Dumper.icmp_policy, + v4_vlan_tag=Dumper.number, + v6_vlan_tag=Dumper.number, + vlan_tagging=Dumper.boolean, + ipv4_ingress_filter=Dumper.string, + ipv4_egress_filter=Dumper.string, + ipv6_ingress_filter=Dumper.string, + ipv6_egress_filter=Dumper.string, +} + +local function do_dump_configuration (conf) local result = {} - local etharr = set('aftr_mac_b4_side', 'aftr_mac_inet_side', 'next_hop6_mac', 'inet_mac') - local ipv4arr = set('aftr_ipv4_ip') - local ipv6arr = set('aftr_ipv6_ip') - local val - for k,v in pairs(lwstate.conf) do - if etharr[k] then - v = ethernet:ntop(v) - elseif ipv4arr[k] then - v = ipv4:ntop(v) - elseif ipv6arr[k] then - v = ipv6:ntop(v) - elseif type(v) == "bool" then - v = v and "true" or "false" + for k,v in pairs(conf) do + local fn = lwaftr_conf_spec[k] + if fn then + table.insert(result, ("%s = %s"):format(k, fn(v))) end - table.insert(result, ("%s = %s"):format(k, v)) end - local filename = (CONF_FILE_DUMP):format(os.date("%Y-%m-%d-%H:%M:%S")) - local content = table.concat(result, "\n") - write_to_file(filename, content) - print(("Configuration written to %s"):format(filename)) + return table.concat(result, "\n") +end + +local function write_to_file(filename, content) + local fd = assert(io.open(filename, "wt"), + ("Couldn't open file: '%s'"):format(filename)) + fd:write(content) + fd:close() +end + +function dump_configuration(lwstate) + local dest = (CONF_FILE_DUMP):format(os.date("%Y-%m-%d-%H:%M:%S")) + print(("Dump lwAFTR configuration: '%s'"):format(dest)) + write_to_file(dest, do_dump_configuration(lwstate.conf)) end function dump_binding_table(lwstate) @@ -87,3 +136,33 @@ function dump_binding_table(lwstate) write_to_file(filename, dump()) print(("Binding table written to %s"):format(filename)) end + +function selftest () + print("selftest: dump") + local icmp_policy = { + DROP = 1, + ALLOW = 2, + } + local conf = { + binding_table = "binding_table.txt", + aftr_ipv6_ip = ipv6:pton("fc00::100"), + aftr_mac_inet_side = ethernet:pton("08:AA:AA:AA:AA:AA"), + inet_mac = ethernet:pton("08:99:99:99:99:99"), + ipv6_mtu = 9500, + policy_icmpv6_incoming = icmp_policy.DROP, + policy_icmpv6_outgoing = icmp_policy.DROP, + icmpv6_rate_limiter_n_packets = 6e5, + icmpv6_rate_limiter_n_seconds = 2, + aftr_ipv4_ip = ipv4:pton("10.0.1.1"), + aftr_mac_b4_side = ethernet:pton("02:AA:AA:AA:AA:AA"), + next_hop6_mac = ethernet:pton("02:99:99:99:99:99"), + ipv4_mtu = 1460, + policy_icmpv4_incoming = icmp_policy.DROP, + policy_icmpv4_outgoing = icmp_policy.DROP, + vlan_tagging = true, + v4_vlan_tag = 444, + v6_vlan_tag = 666, + } + do_dump_configuration(conf) + print("ok") +end From 481f2b58d2a9c2edd9e46f82efcfc42fd8d6cb63 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 11 Apr 2016 20:11:53 +0200 Subject: [PATCH 011/340] Dump binding table to text file Usage: sudo ./snabb lwaftr control `pidof snabb` dump-configuration --- src/apps/lwaftr/binding_table.lua | 6 +-- src/apps/lwaftr/dump.lua | 79 ++++++++++++++++--------------- 2 files changed, 43 insertions(+), 42 deletions(-) diff --git a/src/apps/lwaftr/binding_table.lua b/src/apps/lwaftr/binding_table.lua index 3a659b7428..a6d8acc551 100644 --- a/src/apps/lwaftr/binding_table.lua +++ b/src/apps/lwaftr/binding_table.lua @@ -109,7 +109,7 @@ local softwire_value_t = ffi.typeof[[ local SOFTWIRE_TABLE_LOAD_FACTOR = 0.4 -local function maybe(f, ...) +function maybe(f, ...) local function catch(success, ...) if success then return ... end end @@ -127,13 +127,13 @@ local function read_magic(stream) end end -local function has_magic(stream) +function has_magic(stream) local res = pcall(read_magic, stream) stream:seek(0) return res end -local function is_fresh(stream, mtime_sec, mtime_nsec) +function is_fresh(stream, mtime_sec, mtime_nsec) local header = stream:read_ptr(binding_table_header_t) local res = header.mtime_sec == mtime_sec and header.mtime_nsec == mtime_nsec stream:seek(0) diff --git a/src/apps/lwaftr/dump.lua b/src/apps/lwaftr/dump.lua index 4750b9f464..553115f556 100644 --- a/src/apps/lwaftr/dump.lua +++ b/src/apps/lwaftr/dump.lua @@ -1,23 +1,14 @@ module(..., package.seeall) +local binding_table = require("apps.lwaftr.binding_table") local ethernet = require("lib.protocol.ethernet") local ipv4 = require("lib.protocol.ipv4") local ipv6 = require("lib.protocol.ipv6") -local binding_table = require("apps.lwaftr.binding_table") local stream = require("apps.lwaftr.stream") local CONF_FILE_DUMP = "/tmp/lwaftr-%s.conf" local BINDING_TABLE_FILE_DUMP = "/tmp/binding-%s.table" --- 'ip' is in host bit order, convert to network bit order -local function ipv4number_to_str(ip) - local a = bit.band(ip, 0xff) - local b = bit.band(bit.rshift(ip, 8), 0xff) - local c = bit.band(bit.rshift(ip, 16), 0xff) - local d = bit.rshift(ip, 24) - return ("%d.%d.%d.%d"):format(a, b, c, d) -end - Dumper = {} function Dumper.mac (val) @@ -104,37 +95,47 @@ function dump_configuration(lwstate) write_to_file(dest, do_dump_configuration(lwstate.conf)) end -function dump_binding_table(lwstate) - print("Dump binding table") - local content = {} - local function write(str) - table.insert(content, str) - end - local function dump() - return table.concat(content, "\n") - end - local function format_entry(entry) - local v6, v4, port_start, port_end, br_v6 = entry[1], entry[2], entry[3], entry[4], entry[5] - local result = {} - table.insert(result, ("'%s'"):format(ipv6:ntop(v6))) - table.insert(result, ("'%s'"):format(ipv4number_to_str(v4))) - table.insert(result, port_start) - table.insert(result, port_end) - if br_v6 then - table.insert(result, ("'%s'"):format(ipv6:ntop(br_v6))) - end - return table.concat(result, ",") +local function bt_is_fresh (bt_txt, bt_o) + local source = stream.open_input_byte_stream(bt_txt) + local compiled_stream = binding_table.maybe(stream.open_input_byte_stream, bt_o) + return compiled_stream and + binding_table.has_magic(compiled_stream) and + binding_table.is_fresh(compiled_stream, source.mtime_sec, source.mtime_nsec) +end + +local function copy_file (dest, src) + local fin = assert(io.open(src, "rt"), + ("Couldn't open file: '%s'"):format(src)) + local fout = assert(io.open(dest, "wt"), + ("Couldn't open file: '%s'"):format(dest)) + while true do + local str = fin:read(4096) + if not str then break end + fout:write(str) end - -- Write entries to content - write("{") - for _, entry in ipairs(lwstate.binding_table) do - write(("\t{%s},"):format(format_entry(entry))) + fin:close() + fout:close() +end + +--[[ +A compiled binding table doesn't allow access to its internal data, so it's +not possible to iterate through it and dump it to a text file. The compiled +binding table must match with the binding table in text format. What we do is +to check whether the compiled binding table is the result of compiling the +text version. The compiled binding table contains a header that can be checked +to verify this information. If that's the case, we copy the text version of +the binding table to /tmp. +--]] +function dump_binding_table (lwstate) + local bt_txt = lwstate.conf.binding_table + local bt_o = bt_txt:gsub("%.txt$", "%.o") + if not bt_is_fresh(bt_txt, bt_o) then + error("Binding table file is outdated: '%s'"):format(bt_txt) + main.exit(1) end - write("}") - -- Dump content to file - local filename = (BINDING_TABLE_FILE_DUMP):format(os.date("%Y-%m-%d-%H:%M:%S")) - write_to_file(filename, dump()) - print(("Binding table written to %s"):format(filename)) + local dest = (BINDING_TABLE_FILE_DUMP):format(os.date("%Y-%m-%d-%H:%M:%S")) + print(("Dump lwAFTR configuration: '%s'"):format(dest)) + copy_file(dest, bt_txt) end function selftest () From 4bbe3a9a2342f7932ef257e6631577ee83b452e2 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 11 Apr 2016 20:37:10 +0200 Subject: [PATCH 012/340] Change dump file names format --- src/apps/lwaftr/dump.lua | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/apps/lwaftr/dump.lua b/src/apps/lwaftr/dump.lua index 553115f556..3e4e869b0a 100644 --- a/src/apps/lwaftr/dump.lua +++ b/src/apps/lwaftr/dump.lua @@ -6,8 +6,8 @@ local ipv4 = require("lib.protocol.ipv4") local ipv6 = require("lib.protocol.ipv6") local stream = require("apps.lwaftr.stream") -local CONF_FILE_DUMP = "/tmp/lwaftr-%s.conf" -local BINDING_TABLE_FILE_DUMP = "/tmp/binding-%s.table" +local CONF_FILE_DUMP = "/tmp/lwaftr-%d.conf" +local BINDING_TABLE_FILE_DUMP = "/tmp/binding-table-%d.txt" Dumper = {} @@ -90,7 +90,7 @@ local function write_to_file(filename, content) end function dump_configuration(lwstate) - local dest = (CONF_FILE_DUMP):format(os.date("%Y-%m-%d-%H:%M:%S")) + local dest = (CONF_FILE_DUMP):format(os.time()) print(("Dump lwAFTR configuration: '%s'"):format(dest)) write_to_file(dest, do_dump_configuration(lwstate.conf)) end @@ -133,7 +133,7 @@ function dump_binding_table (lwstate) error("Binding table file is outdated: '%s'"):format(bt_txt) main.exit(1) end - local dest = (BINDING_TABLE_FILE_DUMP):format(os.date("%Y-%m-%d-%H:%M:%S")) + local dest = (BINDING_TABLE_FILE_DUMP):format(os.time()) print(("Dump lwAFTR configuration: '%s'"):format(dest)) copy_file(dest, bt_txt) end From 164dc627629622b5c95930bb1a2a4023e2f8c503 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 15 Apr 2016 18:31:16 +0200 Subject: [PATCH 013/340] Redo lwAFTR's conf dump selftest lwAFTR's conf dump test is the opposite of apps.lwaftr.conf selftest. --- src/apps/lwaftr/dump.lua | 80 +++++++++++++++++++++++++++------------- 1 file changed, 55 insertions(+), 25 deletions(-) diff --git a/src/apps/lwaftr/dump.lua b/src/apps/lwaftr/dump.lua index 3e4e869b0a..286a83d3ef 100644 --- a/src/apps/lwaftr/dump.lua +++ b/src/apps/lwaftr/dump.lua @@ -140,30 +140,60 @@ end function selftest () print("selftest: dump") - local icmp_policy = { - DROP = 1, - ALLOW = 2, - } - local conf = { - binding_table = "binding_table.txt", - aftr_ipv6_ip = ipv6:pton("fc00::100"), - aftr_mac_inet_side = ethernet:pton("08:AA:AA:AA:AA:AA"), - inet_mac = ethernet:pton("08:99:99:99:99:99"), - ipv6_mtu = 9500, - policy_icmpv6_incoming = icmp_policy.DROP, - policy_icmpv6_outgoing = icmp_policy.DROP, - icmpv6_rate_limiter_n_packets = 6e5, - icmpv6_rate_limiter_n_seconds = 2, - aftr_ipv4_ip = ipv4:pton("10.0.1.1"), - aftr_mac_b4_side = ethernet:pton("02:AA:AA:AA:AA:AA"), - next_hop6_mac = ethernet:pton("02:99:99:99:99:99"), - ipv4_mtu = 1460, - policy_icmpv4_incoming = icmp_policy.DROP, - policy_icmpv4_outgoing = icmp_policy.DROP, - vlan_tagging = true, - v4_vlan_tag = 444, - v6_vlan_tag = 666, - } - do_dump_configuration(conf) + local conf = require("apps.lwaftr.conf") + local policies = conf.policies + function test(conf_file_table, expected) + -- Remove leading whitespaces for each line. + local lines = {} + for line in expected:gmatch("([^\n]+)") do + line = line:gsub("^%s+", "") + if #line > 0 then + table.insert(lines, line) + end + end + expected = table.concat(lines, "\n") + assert(do_dump_configuration(conf_file_table) == expected) + end + test({ + aftr_ipv4_ip = ipv4:pton('1.2.3.4'), + aftr_ipv6_ip = ipv6:pton('8:9:a:b:c:d:e:f'), + aftr_mac_b4_side = ethernet:pton("22:22:22:22:22:22"), + aftr_mac_inet_side = ethernet:pton("12:12:12:12:12:12"), + next_hop6_mac = ethernet:pton("44:44:44:44:44:44"), + binding_table = "foo-table.txt", + hairpinning = false, + icmpv6_rate_limiter_n_packets=6e3, + icmpv6_rate_limiter_n_seconds=2, + inet_mac = ethernet:pton("68:68:68:68:68:68"), + ipv4_mtu = 1460, + ipv6_mtu = 1500, + policy_icmpv4_incoming = policies['ALLOW'], + policy_icmpv6_incoming = policies['ALLOW'], + policy_icmpv4_outgoing = policies['ALLOW'], + policy_icmpv6_outgoing = policies['ALLOW'], + v4_vlan_tag = 0x444, + v6_vlan_tag = 0x666, + vlan_tagging = true + },[[ + policy_icmpv6_outgoing = ALLOW + ipv4_mtu = 1460 + hairpinning = false + aftr_ipv4_ip = 1.2.3.4 + next_hop6_mac = 44:44:44:44:44:44 + icmpv6_rate_limiter_n_packets = 6000 + vlan_tagging = true + aftr_ipv6_ip = 8:9:a:b:c:d:e:f + binding_table = foo-table.txt + policy_icmpv4_outgoing = ALLOW + aftr_mac_inet_side = 12:12:12:12:12:12 + policy_icmpv6_incoming = ALLOW + ipv6_mtu = 1500 + policy_icmpv4_incoming = ALLOW + inet_mac = 68:68:68:68:68:68 + icmpv6_rate_limiter_n_seconds = 2 + v6_vlan_tag = 1638 + v4_vlan_tag = 1092 + aftr_mac_b4_side = 22:22:22:22:22:22 + ]]) print("ok") end From 2f829bdb0df2e1a8fb90df0110353e8fed497798 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Sat, 16 Apr 2016 00:15:45 +0200 Subject: [PATCH 014/340] Use conf parser to read conf file in dump.lua's selftest In this case if conf's parser syntax changes the test will break. --- src/apps/lwaftr/dump.lua | 111 +++++++++++++++++++++++++-------------- 1 file changed, 71 insertions(+), 40 deletions(-) diff --git a/src/apps/lwaftr/dump.lua b/src/apps/lwaftr/dump.lua index 286a83d3ef..2b56fa6056 100644 --- a/src/apps/lwaftr/dump.lua +++ b/src/apps/lwaftr/dump.lua @@ -79,6 +79,7 @@ local function do_dump_configuration (conf) table.insert(result, ("%s = %s"):format(k, fn(v))) end end + table.sort(result) return table.concat(result, "\n") end @@ -140,60 +141,90 @@ end function selftest () print("selftest: dump") - local conf = require("apps.lwaftr.conf") - local policies = conf.policies - function test(conf_file_table, expected) - -- Remove leading whitespaces for each line. + local lwconf = require("apps.lwaftr.conf") + local policies = lwconf.policies + local equal = require('core.lib').equal + local function string_file(str) + local pos = 1 + return { + read = function(self, n) + assert(n==1) + local ret + if pos <= #str then + ret = str:sub(pos,pos) + pos = pos + 1 + end + return ret + end, + close = function(self) str = nil end + } + end + local function remove_leading_spaces(str) local lines = {} - for line in expected:gmatch("([^\n]+)") do + for line in str:gmatch("([^\n]+)") do line = line:gsub("^%s+", "") if #line > 0 then table.insert(lines, line) end end - expected = table.concat(lines, "\n") - assert(do_dump_configuration(conf_file_table) == expected) + return table.concat(lines, "\n") end - test({ - aftr_ipv4_ip = ipv4:pton('1.2.3.4'), - aftr_ipv6_ip = ipv6:pton('8:9:a:b:c:d:e:f'), - aftr_mac_b4_side = ethernet:pton("22:22:22:22:22:22"), - aftr_mac_inet_side = ethernet:pton("12:12:12:12:12:12"), - next_hop6_mac = ethernet:pton("44:44:44:44:44:44"), - binding_table = "foo-table.txt", - hairpinning = false, - icmpv6_rate_limiter_n_packets=6e3, - icmpv6_rate_limiter_n_seconds=2, - inet_mac = ethernet:pton("68:68:68:68:68:68"), - ipv4_mtu = 1460, - ipv6_mtu = 1500, - policy_icmpv4_incoming = policies['ALLOW'], - policy_icmpv6_incoming = policies['ALLOW'], - policy_icmpv4_outgoing = policies['ALLOW'], - policy_icmpv6_outgoing = policies['ALLOW'], - v4_vlan_tag = 0x444, - v6_vlan_tag = 0x666, - vlan_tagging = true - },[[ - policy_icmpv6_outgoing = ALLOW + local function test(conf, expected) + local conf_table = lwconf.load_lwaftr_config(string_file(conf)) + conf = do_dump_configuration(conf_table) + expected = remove_leading_spaces(expected) + if not equal(conf, expected) then + error("lwAFTR's configuration and dumped version don't match") + end + end + test([[ + aftr_ipv4_ip=1.2.3.4 + aftr_ipv6_ip=8:9:a:b:c:d:e:f + aftr_mac_b4_side=22:22:22:22:22:22 + aftr_mac_inet_side=12:12:12:12:12:12 + next_hop6_mac=44:44:44:44:44:44 + binding_table="foo-table.txt" + hairpinning=false + icmpv6_rate_limiter_n_packets=6e3 + icmpv6_rate_limiter_n_seconds=2 + inet_mac = 68:68:68:68:68:68 ipv4_mtu = 1460 - hairpinning = false - aftr_ipv4_ip = 1.2.3.4 - next_hop6_mac = 44:44:44:44:44:44 - icmpv6_rate_limiter_n_packets = 6000 + ipv6_mtu = 1500 + policy_icmpv4_incoming = ALLOW + policy_icmpv6_incoming = ALLOW + policy_icmpv4_outgoing = ALLOW + policy_icmpv6_outgoing = ALLOW + v4_vlan_tag = 1092 # 0x444 + v6_vlan_tag = 1638 # 0x666 vlan_tagging = true + ipv4_ingress_filter="ip" + ipv4_egress_filter="ip" + ipv6_ingress_filter="ip6" + ipv6_egress_filter="ip6" + ]], [[ + aftr_ipv4_ip = 1.2.3.4 aftr_ipv6_ip = 8:9:a:b:c:d:e:f - binding_table = foo-table.txt - policy_icmpv4_outgoing = ALLOW + aftr_mac_b4_side = 22:22:22:22:22:22 aftr_mac_inet_side = 12:12:12:12:12:12 - policy_icmpv6_incoming = ALLOW + binding_table = foo-table.txt + hairpinning = false + icmpv6_rate_limiter_n_packets = 6000 + icmpv6_rate_limiter_n_seconds = 2 + inet_mac = 68:68:68:68:68:68 + ipv4_egress_filter = ip + ipv4_ingress_filter = ip + ipv4_mtu = 1460 + ipv6_egress_filter = ip6 + ipv6_ingress_filter = ip6 ipv6_mtu = 1500 + next_hop6_mac = 44:44:44:44:44:44 policy_icmpv4_incoming = ALLOW - inet_mac = 68:68:68:68:68:68 - icmpv6_rate_limiter_n_seconds = 2 - v6_vlan_tag = 1638 + policy_icmpv4_outgoing = ALLOW + policy_icmpv6_incoming = ALLOW + policy_icmpv6_outgoing = ALLOW v4_vlan_tag = 1092 - aftr_mac_b4_side = 22:22:22:22:22:22 + v6_vlan_tag = 1638 + vlan_tagging = true ]]) print("ok") end From 4540e6012eadc5a9b331f941ccae714d3a2e7066 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 28 Apr 2016 15:51:48 +0200 Subject: [PATCH 015/340] Add missing lwaftr end-to-end-vlan conf file --- .../data/tunnel_icmp_without_mac4_vlan.conf | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 src/program/lwaftr/tests/data/tunnel_icmp_without_mac4_vlan.conf diff --git a/src/program/lwaftr/tests/data/tunnel_icmp_without_mac4_vlan.conf b/src/program/lwaftr/tests/data/tunnel_icmp_without_mac4_vlan.conf new file mode 100644 index 0000000000..8cef46cb1d --- /dev/null +++ b/src/program/lwaftr/tests/data/tunnel_icmp_without_mac4_vlan.conf @@ -0,0 +1,19 @@ +aftr_ipv4_ip = 10.10.10.10, +aftr_ipv6_ip = 8:9:a:b:c:d:e:f, +aftr_mac_b4_side = 22:22:22:22:22:22, +aftr_mac_inet_side = 12:12:12:12:12:12, +binding_table = binding-table.txt, +hairpinning = true, +icmpv6_rate_limiter_n_packets=6e5, +icmpv6_rate_limiter_n_seconds=2, +ipv4_mtu = 1460, +ipv6_mtu = 1500, +next_hop_ipv4_addr = 4.5.6.7 +next_hop6_mac = 44:44:44:44:44:44, +policy_icmpv4_incoming = ALLOW, +policy_icmpv6_incoming = ALLOW, +policy_icmpv4_outgoing = ALLOW, +policy_icmpv6_outgoing = ALLOW, +vlan_tagging = true, +v4_vlan_tag = 1092, # 0x444 +v6_vlan_tag = 1638, # 0x666 From 11ff29f975c16d29854c7bfeb528157818b6dd31 Mon Sep 17 00:00:00 2001 From: Diego Pino Date: Tue, 26 Apr 2016 11:11:39 +0000 Subject: [PATCH 016/340] Update and clean up documentation - Document new features. - Remove chapters that doesn't longer exist. - Remove duplicated paragraphs. - Rearrange manual in a more logical order. --- src/program/lwaftr/doc/README.benchmarking.md | 34 ------------------- .../lwaftr/doc/README.configuration.md | 17 +++++++--- src/program/lwaftr/doc/README.ndp.md | 19 ++++++++--- .../lwaftr/doc/README.virtualization.md | 9 +++-- src/program/lwaftr/doc/genbook.sh | 20 +++++------ 5 files changed, 40 insertions(+), 59 deletions(-) diff --git a/src/program/lwaftr/doc/README.benchmarking.md b/src/program/lwaftr/doc/README.benchmarking.md index 9b5bb522c3..aac3c37e35 100644 --- a/src/program/lwaftr/doc/README.benchmarking.md +++ b/src/program/lwaftr/doc/README.benchmarking.md @@ -33,40 +33,6 @@ The loadtest command will ramp up from 0 Gbps to 10 Gbps. At each step it measu the return traffic from the lwAFTR, and prints out all this information to the console. The load generator stops when the test is done. -## NUMA - -Each NIC is associated with a NUMA node. For systems with multiple NUMA -nodes, usually if you have more than one socket, you will need to ensure -that the processes that access NICs do so from the right NUMA node. - -For example if you are going to be working with NICs `0000:01:00.0`, -`0000:01:00.1`, `0000:02:00.0`, and `0000:02:00.1`, check: - -```bash -$ for device in 0000:0{1,2}:00.{0,1}; do \ - echo $device; cat /sys/bus/pci/devices/$device/numa_node; \ - done -0000:01:00.0 -0 -0000:01:00.1 -0 -0000:02:00.0 -0 -0000:02:00.1 -0 -``` - -So all of these are on NUMA node 0. Then check your CPUs: - -``` -$ numactl -H | grep cpus -node 0 cpus: 0 1 2 3 4 5 -node 1 cpus: 6 7 8 9 10 11 -``` - -So for these we should run our binaries under `taskset -c CPU` to bind -them to CPUs in the NUMA node 0. - ## Performance charts ## Version 1.0 diff --git a/src/program/lwaftr/doc/README.configuration.md b/src/program/lwaftr/doc/README.configuration.md index 0ff1588d53..01bd473b66 100644 --- a/src/program/lwaftr/doc/README.configuration.md +++ b/src/program/lwaftr/doc/README.configuration.md @@ -1,4 +1,4 @@ -# lwAFTR configuration +# Configuration The lwAFTR is configured by a text file. Here's an example: @@ -8,6 +8,9 @@ aftr_ipv6_ip = 8:9:a:b:c:d:e:f aftr_mac_b4_side = 22:22:22:22:22:22 aftr_mac_inet_side = 12:12:12:12:12:12 next_hop6_mac = 44:44:44:44:44:44 +# next_hop_ipv6_addr = fd00::1 +inet_mac = 52:54:00:00:00:01 +# next_hop_ipv4_addr = 192.168.0.1 binding_table = path/to/binding-table.txt hairpinning = true icmpv6_rate_limiter_n_packets=3e5 @@ -68,10 +71,14 @@ inet_mac = 68:68:68:68:68:68 The lwAFTR can talk to any host, but assumes that the above ones are the next hop. -The lwAFTR does support -[NDP](https://en.wikipedia.org/wiki/Neighbor_Discovery_Protocol), -though, so the `next_hop6_mac` entry is optional. See [the NDP -documentation](./README.ndp.md), for more. +Alternatively, it is possible to use IP addresses for the next hops. The lwAFTR +will resolve the IP addresses to their correspondent MAC addresses, using +the NDP and ARP protocols. + +``` +next_hop_ipv6_addr = fd00::1 +next_hop_ipv4_addr = 192.168.0.1 +``` ### The binding table diff --git a/src/program/lwaftr/doc/README.ndp.md b/src/program/lwaftr/doc/README.ndp.md index d92ad8b5fe..4eabf5a28e 100644 --- a/src/program/lwaftr/doc/README.ndp.md +++ b/src/program/lwaftr/doc/README.ndp.md @@ -12,10 +12,21 @@ The other is enabled implicitly, whenever a `next_hop6_mac` configuration value is not detected. It sends out a neighbor solicitation request to find out the MAC address associated with the IPv6 address specified in the configuration as `next_hop_ipv6_addr`. -Note that: -- this does no retries on failure -- it drops all outgoing packets until a reply is received. -There is no support for router solicitations or router advertisements. +The NDP module sends periodic retries every second until the solicited IPv6 +address is resolved. While the address cannot be resolved, the lwAFTR won't +start running as the next hop is necessary to forward traffic. However, +if after 30 seconds the next hop address could not be resolved, the lwAFTR +will give up and abort its execution, printing an error message. Please report any violations of RFC 4861 as a bug. + +# ARP support + +ARP support works analogous to NDP support. + +Whenever a `next_hop4_mac` configuration value is not detected, the lwAFTR +sends out an arp request to find out the MAC address associated with the +IPv4 address specified in the configuration as `next_hop_ipv4_addr`. + +At this moment, the ARP module doesn't support periodic solicitation try out. diff --git a/src/program/lwaftr/doc/README.virtualization.md b/src/program/lwaftr/doc/README.virtualization.md index 8c8764c406..a0f8110547 100644 --- a/src/program/lwaftr/doc/README.virtualization.md +++ b/src/program/lwaftr/doc/README.virtualization.md @@ -31,7 +31,7 @@ userspace both virtio-net and virtio-pci. For that, it handles the emulated PCI bus device to get hold of the virtqueues, that allow communication with the outer world. -# How to run lwAFTR inside a VM +## How to run lwAFTR inside a VM The script `program/lwaftr/virt/lwaftrctl` eases the process of launching a virtualized lwAFTR. The script provides a series of commands and actions to start @@ -135,7 +135,7 @@ iface eth2 inet static The `lwaftrctl vm` commands makes a pause of 30 seconds, after that it pins QEMU and all its child process to a core. -# Start lwAFTR in a guest +## Start lwAFTR in a guest It is possible to automatically start the lwAFTR inside the guest from the host: @@ -192,6 +192,5 @@ There is also a `restart` action that will stop a command and start it again. As the lwAFTR is started running `snabbnfv`, `vm` and `lwaftr` commands one after another, the whole process should be stopped in inverse order, that is: `lwaftr`, -`vm` and `snabbnfv`. - -There is a special command, called `all` that will do the whole process in one step. +`vm` and `snabbnfv` +. diff --git a/src/program/lwaftr/doc/genbook.sh b/src/program/lwaftr/doc/genbook.sh index c457ab9c95..9a75e2c97c 100755 --- a/src/program/lwaftr/doc/genbook.sh +++ b/src/program/lwaftr/doc/genbook.sh @@ -1,4 +1,4 @@ -#!/bin/bash +#!/usr/bin/env bash # This shell scripts generates the top-level Markdown structure of the # Snabb Switch lwAFTR manual. @@ -8,7 +8,7 @@ # Script based on src/doc/genbook.sh -lwaftr_app=../../../apps/lwaftr/ +lwaftr_app=../ cat < Date: Tue, 3 May 2016 16:23:20 +0200 Subject: [PATCH 017/340] RateLimitedRepeater operates real line rate The rate limiter now takes its rate as a bit rate, not a byte rate. Also, it now factors in ethernet overhead when limiting bitrate. --- src/apps/lwaftr/loadgen.lua | 16 ++++++++++------ src/program/lwaftr/loadtest/loadtest.lua | 3 +-- src/program/lwaftr/transient/transient.lua | 4 ++-- 3 files changed, 13 insertions(+), 10 deletions(-) diff --git a/src/apps/lwaftr/loadgen.lua b/src/apps/lwaftr/loadgen.lua index 70039388bf..6bb9f28e45 100644 --- a/src/apps/lwaftr/loadgen.lua +++ b/src/apps/lwaftr/loadgen.lua @@ -13,9 +13,9 @@ RateLimitedRepeater = {} function RateLimitedRepeater:new (arg) local conf = arg and config.parse_app_arg(arg) or {} --- By default, limit to 10 Mbps, just to have a default. - conf.rate = conf.rate or (10e6 / 8) + conf.rate = conf.rate or 10e6 -- By default, allow for 255 standard packets in the queue. - conf.bucket_capacity = conf.bucket_capacity or (255 * 1500) + conf.bucket_capacity = conf.bucket_capacity or (255 * 1500 * 8) conf.initial_capacity = conf.initial_capacity or conf.bucket_capacity local o = { index = 1, @@ -27,8 +27,8 @@ function RateLimitedRepeater:new (arg) return setmetatable(o, {__index=RateLimitedRepeater}) end -function RateLimitedRepeater:set_rate (byte_rate) - self.rate = math.max(byte_rate, 0) +function RateLimitedRepeater:set_rate (bit_rate) + self.rate = math.max(bit_rate, 0) end function RateLimitedRepeater:push () @@ -48,12 +48,16 @@ function RateLimitedRepeater:push () self.last_time = cur_now end + -- 7 bytes preamble, 1 start-of-frame, 4 CRC, 12 interpacket gap. + local overhead = 7 + 1 + 4 + 12 + local npackets = #self.packets if npackets > 0 and self.rate > 0 then for _ = 1, link.nwritable(o) do local p = self.packets[self.index] - if p.length > self.bucket_content then break end - self.bucket_content = self.bucket_content - p.length + local bits = (p.length + overhead) * 8 + if bits > self.bucket_content then break end + self.bucket_content = self.bucket_content - bits transmit(o, clone(p)) self.index = (self.index % npackets) + 1 end diff --git a/src/program/lwaftr/loadtest/loadtest.lua b/src/program/lwaftr/loadtest/loadtest.lua index 1874e871fd..afebb0590f 100644 --- a/src/program/lwaftr/loadtest/loadtest.lua +++ b/src/program/lwaftr/loadtest/loadtest.lua @@ -118,10 +118,9 @@ function run(args) engine.configure(c) local function adjust_rates(bit_rate) - local byte_rate = bit_rate / 8 for _,stream in ipairs(streams) do local app = engine.app_table[stream.repeater_id] - app:set_rate(byte_rate) + app:set_rate(bit_rate) end end diff --git a/src/program/lwaftr/transient/transient.lua b/src/program/lwaftr/transient/transient.lua index 1ce34cb09f..f93a6ba7b0 100644 --- a/src/program/lwaftr/transient/transient.lua +++ b/src/program/lwaftr/transient/transient.lua @@ -89,10 +89,10 @@ end function adjust_rate(opts, streams) local count = math.ceil(opts.bitrate / opts.step) return function() - local byte_rate = (opts.bitrate - math.abs(count) * opts.step) / 8 + local bitrate = opts.bitrate - math.abs(count) * opts.step for _,stream in ipairs(streams) do local app = engine.app_table[stream.repeater_id] - app:set_rate(byte_rate) + app:set_rate(bitrate) end count = count - 1 end From e114ec987dc5879db0ecae120bdb1425984a46fb Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 3 May 2016 16:33:52 +0200 Subject: [PATCH 018/340] loadtest prints out bitrates with overhead --- src/program/lwaftr/loadtest/loadtest.lua | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/program/lwaftr/loadtest/loadtest.lua b/src/program/lwaftr/loadtest/loadtest.lua index afebb0590f..0ae1793c16 100644 --- a/src/program/lwaftr/loadtest/loadtest.lua +++ b/src/program/lwaftr/loadtest/loadtest.lua @@ -152,6 +152,11 @@ function run(args) end local function print_counter_diff(before, after) + local function bitrate(diff) + -- 7 bytes preamble, 1 start-of-frame, 4 CRC, 12 interpacket gap. + local overhead = 7 + 1 + 4 + 12 + return (diff.txbytes + diff.txpackets * overhead) * 8 / opts.duration + end for _, stream in ipairs(streams) do print(string.format(' %s:', stream.tx_name)) local nic_id = stream.nic_tx_id @@ -160,10 +165,10 @@ function run(args) local rx = diff_counters(nic_before.rx, nic_after.rx) print(string.format(' TX %d packets (%f MPPS), %d bytes (%f Gbps)', tx.txpackets, tx.txpackets / opts.duration / 1e6, - tx.txbytes, tx.txbytes / opts.duration / 1e9 * 8)) + tx.txbytes, bitrate(tx) / 1e9)) print(string.format(' RX %d packets (%f MPPS), %d bytes (%f Gbps)', rx.txpackets, rx.txpackets / opts.duration / 1e6, - rx.txbytes, rx.txbytes / opts.duration / 1e9 * 8)) + rx.txbytes, bitrate(rx) / 1e9)) print(string.format(' Loss: %d packets (%f%%)', tx.txpackets - rx.txpackets, (tx.txpackets - rx.txpackets) / tx.txpackets * 100)) From 5c4d5dc773157b53924c19a15209a6e2a77b0e4e Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Tue, 3 May 2016 17:46:45 +0200 Subject: [PATCH 019/340] snabbnfv: initial YANG model for configuration. --- src/program/snabbnfv/snabb-nfvconfig.yang | 136 ++++++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 src/program/snabbnfv/snabb-nfvconfig.yang diff --git a/src/program/snabbnfv/snabb-nfvconfig.yang b/src/program/snabbnfv/snabb-nfvconfig.yang new file mode 100644 index 0000000000..59eda6d0be --- /dev/null +++ b/src/program/snabbnfv/snabb-nfvconfig.yang @@ -0,0 +1,136 @@ +module snabb-nfvconfig { + namespace "http://snabb.co/nfvconfig"; + prefix snabb-nfvconfig; + + import ietf-yang-types { prefix yang; } + import ietf-inet-types { prefix inet; } + + description + "This module describes the configuration of SnabbNFV."; + + + typedef pcap-filter { + type string; + description "A pcap-filter(7) expression."; + } + + typedef gbps { + type decimal64 { + fraction-digits 4; + range "0..max"; + } + + description "Gigabytes per second."; + } + + identity tunnel-type { + description "Base identity from which all tunnel types are derived."; + } + + identity L2TPv3 { + base "tunnel-type"; + description "Layer 2 Tunneling Protocol Version 3"; + } + + typedef hexstring8 { + type "string" { + pattern "[0-9a-fA-F]{16}"; + } + description "Eight bytes encoded as a hexadecimal string."; + } + + list port { + key port_id; + description + "An entry containing configuration information applicable to a particular + virtual port."; + + leaf port_id { + mandatory true; + type string; + description "The unique identifier of the port."; + } + + leaf mac_address { + mandatory true; + type yang:mac-address; + description "MAC address of the port."; + } + + leaf vlan { + type uint16 { + range "0..4095"; + } + description ""; + } + + leaf ingress_filter { + type pcap-filter; + description "Ingress traffic filtering rules."; + } + + leaf egress_filter { + type pcap-filter; + description "Egress traffic filtering rules."; + } + + container tunnel { + description "L2TPv3 tunnel configuration."; + + leaf type { + mandatory true; + type identityref { + base "tunnel-type"; + } + description + "Tunnel type identifier. Only \"L2TPv3\" is currently allowed."; + } + + leaf local_cookie { + mandatory true; + type hexstring8; + description "Local cookie"; + } + + leaf remote_cookie { + mandatory true; + type hexstring8; + description "Remote cookie"; + } + + leaf next_hop { + type yang:mac-address; + description "Gateway MAC address."; + } + + leaf local_ip { + mandatory true; + type inet:ipv6-address-no-zone; + description "Local IPv6 address."; + } + + leaf remote_ip { + mandatory true; + type inet:ipv6-address-no-zone; + description "Remote IPv6 address."; + } + + leaf session { + type int32; + description + "The session field of the L2TPv3 header will be overwritten with this + value."; + } + } + + leaf rx_police_gbps { + type gbps; + description "Allowed input rate in Gigabytes per second."; + } + + leaf tx_police_gbps { + type gbps; + description "Allowed output rate in Gigabytes per second."; + } + } +} From adde897e531276a699395ad6ed3868e28317aa1a Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Wed, 4 May 2016 15:38:01 +0200 Subject: [PATCH 020/340] snabb-nfvconfig.yang: s/gigabytes/gigabits. --- src/program/snabbnfv/snabb-nfvconfig.yang | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/program/snabbnfv/snabb-nfvconfig.yang b/src/program/snabbnfv/snabb-nfvconfig.yang index 59eda6d0be..34eb5fd24e 100644 --- a/src/program/snabbnfv/snabb-nfvconfig.yang +++ b/src/program/snabbnfv/snabb-nfvconfig.yang @@ -20,7 +20,7 @@ module snabb-nfvconfig { range "0..max"; } - description "Gigabytes per second."; + description "Gigabits per second."; } identity tunnel-type { @@ -125,12 +125,12 @@ module snabb-nfvconfig { leaf rx_police_gbps { type gbps; - description "Allowed input rate in Gigabytes per second."; + description "Allowed input rate in Gigabits per second."; } leaf tx_police_gbps { type gbps; - description "Allowed output rate in Gigabytes per second."; + description "Allowed output rate in Gigabits per second."; } } } From 3909d47087c5045818a9eedd319b476496549190 Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Wed, 4 May 2016 15:39:07 +0200 Subject: [PATCH 021/340] snabb-nfvconfig.yang: Fix port.tunnel.type description. --- src/program/snabbnfv/snabb-nfvconfig.yang | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/program/snabbnfv/snabb-nfvconfig.yang b/src/program/snabbnfv/snabb-nfvconfig.yang index 34eb5fd24e..c94246d694 100644 --- a/src/program/snabbnfv/snabb-nfvconfig.yang +++ b/src/program/snabbnfv/snabb-nfvconfig.yang @@ -83,7 +83,7 @@ module snabb-nfvconfig { base "tunnel-type"; } description - "Tunnel type identifier. Only \"L2TPv3\" is currently allowed."; + "Tunnel type identifier."; } leaf local_cookie { From 4b275a43596f488590d07b237af6a5dd97428a87 Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Wed, 4 May 2016 15:39:21 +0200 Subject: [PATCH 022/340] snabb-nfvconfig.yang: Add initial revision. --- src/program/snabbnfv/snabb-nfvconfig.yang | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/program/snabbnfv/snabb-nfvconfig.yang b/src/program/snabbnfv/snabb-nfvconfig.yang index c94246d694..ae542a9b29 100644 --- a/src/program/snabbnfv/snabb-nfvconfig.yang +++ b/src/program/snabbnfv/snabb-nfvconfig.yang @@ -8,6 +8,10 @@ module snabb-nfvconfig { description "This module describes the configuration of SnabbNFV."; + revision "2016-05-04" { + description + "Initial version that reflects Snabb Switch 2016.04 “Uvilla”."; + } typedef pcap-filter { type string; From 7ecb4187df116c2736e0404735ac8cd11514e3af Mon Sep 17 00:00:00 2001 From: Diego Pino Date: Wed, 11 May 2016 08:08:28 +0000 Subject: [PATCH 023/340] Monitor ingress packet drops and jit flush if threshold exceeded --- src/core/app.lua | 62 ++++++++++++++++++++++++------------------------ 1 file changed, 31 insertions(+), 31 deletions(-) diff --git a/src/core/app.lua b/src/core/app.lua index 72b6b5bdb3..763d0fa617 100644 --- a/src/core/app.lua +++ b/src/core/app.lua @@ -28,37 +28,6 @@ link_table, link_array = {}, {} configuration = config.new() --- Ingress packet drop monitor. -ingress_drop_monitor = { - threshold = 100000, - wait = 20, - last_flush = 0, - last_value = ffi.new('uint64_t[1]'), - current_value = ffi.new('uint64_t[1]') -} - -function ingress_drop_monitor:sample() - local sum = self.current_value - sum[0] = 0 - for i = 1, #app_array do - local app = app_array[i] - if app.ingress_packet_drops and not app.dead then - local status, value = with_restart(app, app.ingress_packet_drops) - if status then sum[0] = sum[0] + value end - end - end -end - -function ingress_drop_monitor:jit_flush_if_needed() - if self.current_value[0] - self.last_value[0] < self.threshold then return end - if now() - self.last_flush < self.wait then return end - self.last_flush = now() - self.last_value[0] = self.current_value[0] - jit.flush() - print("jit.flush") - --- TODO: Change last_flush, last_value and current_value fields to be counters. -end - -- Counters for statistics. breaths = counter.open("engine/breaths") -- Total breaths taken frees = counter.open("engine/frees") -- Total packets freed @@ -115,6 +84,37 @@ local function with_restart (app, method) end end +-- Ingress packet drop monitor. +ingress_drop_monitor = { + threshold = 100000, + wait = 20, + last_flush = 0, + last_value = ffi.new('uint64_t[1]'), + current_value = ffi.new('uint64_t[1]') +} + +function ingress_drop_monitor:sample() + local sum = self.current_value + sum[0] = 0 + for i = 1, #app_array do + local app = app_array[i] + if app.ingress_packet_drops and not app.dead then + local status, value = with_restart(app, app.ingress_packet_drops) + if status then sum[0] = sum[0] + value end + end + end +end + +function ingress_drop_monitor:jit_flush_if_needed() + if self.current_value[0] - self.last_value[0] < self.threshold then return end + if now() - self.last_flush < self.wait then return end + self.last_flush = now() + self.last_value[0] = self.current_value[0] + jit.flush() + print("jit.flush") + --- TODO: Change last_flush, last_value and current_value fields to be counters. +end + -- Restart dead apps. function restart_dead_apps () if not use_restart then return end From dbf5a83752d8c684af52f55a721d7f73bdcc35c6 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Thu, 12 May 2016 17:19:37 +0200 Subject: [PATCH 024/340] Add loading pf filter definitions from file (#317) Add loading pf filter definitions from file --- src/apps/lwaftr/conf.lua | 36 +++++++++++++++---- src/apps/lwaftr/conf_parser.lua | 29 +++++++++++---- .../lwaftr/doc/README.configuration.md | 9 +++++ 3 files changed, 62 insertions(+), 12 deletions(-) diff --git a/src/apps/lwaftr/conf.lua b/src/apps/lwaftr/conf.lua index cbfbb2ce52..064f9a0f00 100644 --- a/src/apps/lwaftr/conf.lua +++ b/src/apps/lwaftr/conf.lua @@ -59,10 +59,10 @@ local lwaftr_conf_spec = { v4_vlan_tag=Parser.parse_vlan_tag, v6_vlan_tag=Parser.parse_vlan_tag, vlan_tagging=Parser.parse_boolean, - ipv4_ingress_filter=Parser.parse_string, - ipv4_egress_filter=Parser.parse_string, - ipv6_ingress_filter=Parser.parse_string, - ipv6_egress_filter=Parser.parse_string, + ipv4_ingress_filter=Parser.parse_string_or_file, + ipv4_egress_filter=Parser.parse_string_or_file, + ipv6_ingress_filter=Parser.parse_string_or_file, + ipv6_egress_filter=Parser.parse_string_or_file, }, defaults={ aftr_ipv4_ip=required('aftr_ipv4_ip'), @@ -96,7 +96,7 @@ end function selftest() print('selftest: conf') - local equal = require('core.lib').equal + local lib = require('core.lib') local function string_file(str) local pos = 1 return { @@ -113,7 +113,7 @@ function selftest() } end local function test(str, expected) - if not equal(expected, load_lwaftr_config(string_file(str))) then + if not lib.equal(expected, load_lwaftr_config(string_file(str))) then error('lwaftr conf parse produced unexpected result; string:\n'..str) end end @@ -160,5 +160,29 @@ function selftest() vlan_tagging = true } ) + local function test_loading_filter_conf_from_file() + -- Setup the filter conf file. + local filter_path = os.tmpname() + local filter_text = 'some pflang filter string' + assert(lib.writefile(filter_path, filter_text)) + -- Setup the main config file. + local conf_text = [[ + aftr_ipv4_ip = 1.2.3.4 + aftr_ipv6_ip = 8:9:a:b:c:d:e:f + aftr_mac_b4_side = 22:22:22:22:22:22 + aftr_mac_inet_side = 12:12:12:12:12:12 + next_hop6_mac = 44:44:44:44:44:44 + binding_table = "foo-table.txt" + inet_mac = 68:68:68:68:68:68 + ipv4_ingress_filter = <%s + ]] + conf_text = conf_text:format(filter_path) + local conf_table = load_lwaftr_config(string_file(conf_text)) + assert(os.remove(filter_path)) + if conf_table['ipv4_ingress_filter'] ~= filter_text then + error('lwaftr: filter conf contents do not match; pathname:\n'..filter_path) + end + end + test_loading_filter_conf_from_file() print('ok') end diff --git a/src/apps/lwaftr/conf_parser.lua b/src/apps/lwaftr/conf_parser.lua index 990d934e87..7b745dfa07 100644 --- a/src/apps/lwaftr/conf_parser.lua +++ b/src/apps/lwaftr/conf_parser.lua @@ -231,15 +231,32 @@ function Parser:parse_string() return str end +function Parser:make_path(orig_path) + if orig_path == '' then self:error('file name is empty') end + if not orig_path:match('^/') and self.name then + -- Relative paths in conf files are relative to the location of the + -- conf file, not the current working directory. + return lib.dirname(self.name)..'/'..orig_path + end + return orig_path +end + function Parser:parse_file_name() + return self:make_path(self:parse_string()) +end + +function Parser:parse_string_or_file() local str = self:parse_string() - if str == '' then self:error('file name is empty') end - -- Relative paths in conf files are relative to the location of the - -- conf file, not the current working directory. - if not str:match('^/') and self.name then - str = lib.dirname(self.name)..'/'..str + if not str:match('^<') then + return str end - return str + -- Remove the angle bracket. + path = self:make_path(str:sub(2)) + local filter, err = lib.readfile(path, "*a") + if filter == nil then + self:error('cannot read filter conf file "%s": %s', path, err) + end + return filter end function Parser:parse_boolean() diff --git a/src/program/lwaftr/doc/README.configuration.md b/src/program/lwaftr/doc/README.configuration.md index 01bd473b66..2d6a6c2769 100644 --- a/src/program/lwaftr/doc/README.configuration.md +++ b/src/program/lwaftr/doc/README.configuration.md @@ -169,3 +169,12 @@ character. If uncommented, the right-hand-side should be a filter. Pflang is the language of `tcpdump`, `libpcap`, and other tools. If these options are given, the filters will run on the packets without vlan tags, if any. + +Filter definitions may also be stored in separate config files, one per +filter, and their relative paths go to the right-hand side of these entries. +The relative paths should be prefixed by `<` and are based on the directory +where the main config file is. Example: + +``` +ipv4_ingress_filter = Date: Thu, 12 May 2016 16:24:51 +0000 Subject: [PATCH 025/340] Remove invalid NDP NS test --- .../tests/data/ndp_incoming_ns_secondary.pcap | Bin 126 -> 0 bytes .../data/ndp_outgoing_solicited_na_secondary.pcap | Bin 126 -> 0 bytes .../data/vlan/ndp_incoming_ns_secondary.pcap | Bin 130 -> 0 bytes .../vlan/ndp_outgoing_solicited_na_secondary.pcap | Bin 130 -> 0 bytes .../lwaftr/tests/end-to-end/end-to-end-vlan.sh | 5 ----- src/program/lwaftr/tests/end-to-end/end-to-end.sh | 5 ----- 6 files changed, 10 deletions(-) delete mode 100644 src/program/lwaftr/tests/data/ndp_incoming_ns_secondary.pcap delete mode 100644 src/program/lwaftr/tests/data/ndp_outgoing_solicited_na_secondary.pcap delete mode 100644 src/program/lwaftr/tests/data/vlan/ndp_incoming_ns_secondary.pcap delete mode 100644 src/program/lwaftr/tests/data/vlan/ndp_outgoing_solicited_na_secondary.pcap diff --git a/src/program/lwaftr/tests/data/ndp_incoming_ns_secondary.pcap b/src/program/lwaftr/tests/data/ndp_incoming_ns_secondary.pcap deleted file mode 100644 index c1cd703c1226c53752f8a3385ac9e9f4b9d17004..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 126 zcmca|c+)~A1{MYw_+QV!zzF2X_-zc6+r-8Y24sWqe=uNRWMXDvZM&NQ6k$-X`p;+p yRLsP{3^ah1fo=D01`Y;J1}+9}1|9}p20jM*xc3|tJ{3_J|H415gy?F^f Date: Thu, 12 May 2016 16:05:46 +0000 Subject: [PATCH 026/340] NDP: Match Neighbour Solicitation target address to lwAFTR IPv6 address --- src/apps/lwaftr/binding_table.lua | 8 -------- src/apps/lwaftr/ipv6_apps.lua | 3 +-- src/apps/lwaftr/ndp.lua | 13 ++++--------- src/program/lwaftr/setup.lua | 3 +-- 4 files changed, 6 insertions(+), 21 deletions(-) diff --git a/src/apps/lwaftr/binding_table.lua b/src/apps/lwaftr/binding_table.lua index a6d8acc551..7e31d0d0b8 100644 --- a/src/apps/lwaftr/binding_table.lua +++ b/src/apps/lwaftr/binding_table.lua @@ -246,14 +246,6 @@ function BindingTable:get_br_address(i) return self.br_addresses[i].addr end -function BindingTable:get_br_addresses() - local addrs = {} - for i=0,self.br_address_count-1 do - addrs[i+1] = self.br_addresses[i].addr - end - return addrs -end - function BindingTable:save(filename, mtime_sec, mtime_nsec) local out = stream.open_temporary_output_byte_stream(filename) out:write_ptr(binding_table_header_t( diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index eb863f2a95..d5b63d0eca 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -177,7 +177,6 @@ function NDP:new(conf) o.do_ns_request = true end o.dst_eth = conf.dst_eth -- Intentionally nil if to request by NS - o.all_local_ipv6_ips = conf.all_ipv6_addrs return o end @@ -224,7 +223,7 @@ function NDP:push() timer.deactivate("retry_ns") end packet.free(p) - elseif ndp.is_neighbor_solicitation_for_ips(p, self.all_local_ipv6_ips) then + elseif ndp.is_neighbor_solicitation_for_addr(p, self.conf.src_ipv6) then local snap = ndp.form_nsolicitation_reply(self.conf.src_eth, self.conf.src_ipv6, p) if snap then transmit(osouth, snap) diff --git a/src/apps/lwaftr/ndp.lua b/src/apps/lwaftr/ndp.lua index 020ba04ca6..716acdbb1c 100644 --- a/src/apps/lwaftr/ndp.lua +++ b/src/apps/lwaftr/ndp.lua @@ -139,17 +139,12 @@ local function is_neighbor_solicitation(pkt) return is_ndp(pkt) and icmpv6_type_is_ns(pkt) end --- Check to see whether the neighbor solicitation is for --- one of the listed addresses, rather than an arbitrary one. -function is_neighbor_solicitation_for_ips(pkt, local_ips) +-- Check whether NS target address matches IPv6 address. +function is_neighbor_solicitation_for_addr(pkt, ipv6_addr) if not is_neighbor_solicitation(pkt) then return false end local target_offset = eth_ipv6_size + o_icmp_target_offset - for i=1,#local_ips do - if ipv6_equals(local_ips[i], pkt.data + target_offset) then - return true - end - end - return false + local target_ipv6 = pkt.data + target_offset + return ipv6_equals(target_ipv6, ipv6_addr) end local function to_ether_addr(pkt, offset) diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index b1e3f2d606..627250e2aa 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -30,8 +30,7 @@ function lwaftr_app(c, conf) { mtu=conf.ipv6_mtu }) config.app(c, "ndp", ipv6_apps.NDP, { src_ipv6 = conf.aftr_ipv6_ip, src_eth = conf.aftr_mac_b4_side, - dst_eth = conf.next_hop6_mac, dst_ipv6 = conf.next_hop_ipv6_addr, - all_ipv6_addrs = conf.preloaded_binding_table:get_br_addresses() }) + dst_eth = conf.next_hop6_mac, dst_ipv6 = conf.next_hop_ipv6_addr }) config.app(c, "arp", ipv4_apps.ARP, { src_ipv4 = conf.aftr_ipv4_ip, src_eth = conf.aftr_mac_b4_side, dst_eth = conf.inet_mac, dst_ipv4 = conf.next_hop_ipv4_addr}) From c6788af8cea0a911d32a6c1754435be810b26066 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 13 May 2016 14:01:15 +0200 Subject: [PATCH 027/340] Update performance-tunning.md --- src/doc/performance-tuning.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/doc/performance-tuning.md b/src/doc/performance-tuning.md index a42ee98995..79a87a686d 100644 --- a/src/doc/performance-tuning.md +++ b/src/doc/performance-tuning.md @@ -14,7 +14,7 @@ require('apps.intel.intel10g').num_descriptors = ring_buffer_size config.app(c, "nic", require(device_info.driver).driver, {...}) ``` -The default of 512 seems too small, based on load test at IMIX line rate tests against lwaftr, 1024 or 2048 gave equally good results. Num_descriptors controls the Receive Descriptor Length on the Intel 82599 Controller, which determines the number of bytes allocated to the circular buffer. This value must be a multiple of 128 (the maximum cache line size). Since each descriptor is 16 bytes in length, the total number of receive descriptors is always a multiple of 8. In networking terms, this defines the ingress buffer size in packets (TODO: is this correct?). Larger ingress buffer can reduce packet loss while Snabb is busy handling other packets, but it will also increase latency for packets waiting in the queue to be picked up by Snabb. +The default of 512 seems too small, based on load test at IMIX line rate tests against lwaftr, 1024 or 2048 gave equally good results. Num_descriptors controls the Receive Descriptor Length on the Intel 82599 Controller, which determines the number of packets allocated to the circular buffer. This value must be a power of two. Larger ingress buffer can reduce packet loss while Snabb is busy handling other packets, but it will also increase latency for packets waiting in the queue to be picked up by Snabb. ### Enable engine.busywait Defined in src/core/app.lua and enabled before calling engine.main() via From 740f29b956d9348cdf91f463e147fae3aba5cfd7 Mon Sep 17 00:00:00 2001 From: Diego Pino Date: Fri, 13 May 2016 15:18:32 +0000 Subject: [PATCH 028/340] Rename arguments v4-pci and v6-pci to v4 and v6 --- src/program/lwaftr/run/run.lua | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index b53e00a098..14fe3be38b 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -35,7 +35,7 @@ end function parse_args(args) if #args == 0 then show_usage(1) end - local conf_file, v4_pci, v6_pci + local conf_file, v4, v6 local ring_buffer_size local opts = { verbosity = 0 } local handlers = {} @@ -69,21 +69,21 @@ function parse_args(args) end end function handlers.n(arg) - v4_pci = arg + v4 = arg if not arg then - fatal("Argument '--v4-pci' was not set") + fatal("Argument '--v4' was not set") end - if not nic_exists(v4_pci) then - fatal(("Couldn't locate NIC with PCI address '%s'"):format(v4_pci)) + if not nic_exists(v4) then + fatal(("Couldn't locate NIC with PCI address '%s'"):format(v4)) end end function handlers.m(arg) - v6_pci = arg - if not v6_pci then - fatal("Argument '--v6-pci' was not set") + v6 = arg + if not v6 then + fatal("Argument '--v6' was not set") end - if not nic_exists(v6_pci) then - fatal(("Couldn't locate NIC with PCI address '%s'"):format(v6_pci)) + if not nic_exists(v6) then + fatal(("Couldn't locate NIC with PCI address '%s'"):format(v6)) end end function handlers.r (arg) @@ -98,7 +98,7 @@ function parse_args(args) end function handlers.h() show_usage(0) end lib.dogetopt(args, handlers, "b:c:n:m:vD:hir:", - { conf = "c", ["v4-pci"] = "n", ["v6-pci"] = "m", + { conf = "c", ["v4"] = "n", ["v6"] = "m", verbose = "v", duration = "D", help = "h", virtio = "i", ["ring-buffer-size"] = "r", cpu = 1, ["real-time"] = 0 }) @@ -109,20 +109,20 @@ function parse_args(args) require('apps.intel.intel10g').num_descriptors = ring_buffer_size end if not conf_file then fatal("Missing required --conf argument.") end - if not v4_pci then fatal("Missing required --v4-pci argument.") end - if not v6_pci then fatal("Missing required --v6-pci argument.") end - return opts, conf_file, v4_pci, v6_pci + if not v4 then fatal("Missing required --v4 argument.") end + if not v6 then fatal("Missing required --v6 argument.") end + return opts, conf_file, v4, v6 end function run(args) - local opts, conf_file, v4_pci, v6_pci = parse_args(args) + local opts, conf_file, v4, v6 = parse_args(args) local conf = require('apps.lwaftr.conf').load_lwaftr_config(conf_file) local c = config.new() if opts.virtio_net then - setup.load_virt(c, conf, 'inetNic', v4_pci, 'b4sideNic', v6_pci) + setup.load_virt(c, conf, 'inetNic', v4, 'b4sideNic', v6) else - setup.load_phy(c, conf, 'inetNic', v4_pci, 'b4sideNic', v6_pci) + setup.load_phy(c, conf, 'inetNic', v4, 'b4sideNic', v6) end engine.configure(c) From cf4699377bd83d3f98e9b9a65f09a590decfa645 Mon Sep 17 00:00:00 2001 From: Diego Pino Date: Fri, 13 May 2016 15:27:18 +0000 Subject: [PATCH 029/340] Update documentation regarding v4 and v6 arguments --- src/program/lwaftr/doc/README.benchmarking.md | 2 +- src/program/lwaftr/doc/README.running.md | 2 +- src/program/lwaftr/doc/README.troubleshooting.md | 2 +- src/program/lwaftr/doc/benchmarks-v1.0/Makefile | 2 +- src/program/lwaftr/run/README | 6 +++--- src/program/lwaftr/virt/run_lwaftr.sh.example | 2 +- 6 files changed, 8 insertions(+), 8 deletions(-) diff --git a/src/program/lwaftr/doc/README.benchmarking.md b/src/program/lwaftr/doc/README.benchmarking.md index aac3c37e35..7fc96d3af6 100644 --- a/src/program/lwaftr/doc/README.benchmarking.md +++ b/src/program/lwaftr/doc/README.benchmarking.md @@ -15,7 +15,7 @@ In one server, start the lwAFTR: ``` $ sudo taskset -c 1 ./src/snabb lwaftr run -v \ --conf program/lwaftr/tests/data/icmp_on_fail.conf \ - --v4-pci 0000:02:00.0 --v6-pci 0000:02:00.1 + --v4 0000:02:00.0 --v6 0000:02:00.1 ``` The `-v` flag enables periodic printouts reporting MPPS and Gbps statistics per diff --git a/src/program/lwaftr/doc/README.running.md b/src/program/lwaftr/doc/README.running.md index ef5d8b2f1c..2eca3dfeca 100644 --- a/src/program/lwaftr/doc/README.running.md +++ b/src/program/lwaftr/doc/README.running.md @@ -45,7 +45,7 @@ First, start the lwAFTR: ``` $ sudo ./snabb lwaftr run \ --conf program/lwaftr/tests/data/icmp_on_fail.conf \ - --v4-pci 0000:01:00.1 --v6-pci 0000:02:00.1 + --v4 0000:01:00.1 --v6 0000:02:00.1 ``` Then run a load generator: diff --git a/src/program/lwaftr/doc/README.troubleshooting.md b/src/program/lwaftr/doc/README.troubleshooting.md index 10626cdddd..12e17cfe58 100644 --- a/src/program/lwaftr/doc/README.troubleshooting.md +++ b/src/program/lwaftr/doc/README.troubleshooting.md @@ -16,7 +16,7 @@ Time (s),IPv4 RX MPPS,IPv4 RX Gbps,IPv4 TX MPPS,IPv4 TX Gbps,IPv6 RX MPPS,IPv6 R The lwaftr is running, but not receiving packets from the load generator. Check that the load generator is running, and that the physical wiring is between the interfaces the load generator is running on and the interfaces -that the lwaftr is running on, and that the `--v4-pci` and `--v6-pci` arguments +that the lwaftr is running on, and that the `--v4` and `--v6` arguments reflect the physical wiring, rather than being swapped. If you have VLANs configured and you are using Intel NICs, make sure the VLAN IDs are correct. diff --git a/src/program/lwaftr/doc/benchmarks-v1.0/Makefile b/src/program/lwaftr/doc/benchmarks-v1.0/Makefile index c26dcf50ac..58f26b7fc7 100644 --- a/src/program/lwaftr/doc/benchmarks-v1.0/Makefile +++ b/src/program/lwaftr/doc/benchmarks-v1.0/Makefile @@ -27,7 +27,7 @@ transient-self-test.csv: $(LWAFTR) lwaftr-%.csv:: $(LWAFTR) ( set -m; set -o pipefail; \ - taskset -c 6 ./snabb lwaftr run -D 170 --conf $(LWAFTR_CONF) --v4-pci $(LWAFTR_IPV4_PCIADDR) --v6-pci $(LWAFTR_IPV6_PCIADDR) & \ + taskset -c 6 ./snabb lwaftr run -D 170 --conf $(LWAFTR_CONF) --v4 $(LWAFTR_IPV4_PCIADDR) --v6 $(LWAFTR_IPV6_PCIADDR) & \ taskset -c 7 ./snabb lwaftr transient -s 0.25e9 -D 2 $(IPV4_PCAP) IPv4 $(TRANSIENT_IPV4_PCIADDR) $(IPV6_PCAP) IPv6 $(TRANSIENT_IPV6_PCIADDR) | tee $@.tmp && \ mv $@.tmp $@ && \ wait ) diff --git a/src/program/lwaftr/run/README b/src/program/lwaftr/run/README index 4610e11941..f4bb4984bb 100644 --- a/src/program/lwaftr/run/README +++ b/src/program/lwaftr/run/README @@ -1,10 +1,10 @@ Usage: run --help - run --conf --v4-pci --v6-pci [OPTION...] + run --conf --v4 --v4 [OPTION...] Required arguments: --conf Sets configuration policy table - --v4-pci PCI device number for the INET-side NIC - --v6-pci PCI device number for the B4-side NIC + --v4 PCI device number for the INET-side NIC + --v6 PCI device number for the B4-side NIC Optional arguments: --virtio Use virtio-net interfaces instead of Intel 82599 diff --git a/src/program/lwaftr/virt/run_lwaftr.sh.example b/src/program/lwaftr/virt/run_lwaftr.sh.example index b6a58dcd74..02eea9b699 100644 --- a/src/program/lwaftr/virt/run_lwaftr.sh.example +++ b/src/program/lwaftr/virt/run_lwaftr.sh.example @@ -6,4 +6,4 @@ V6_PCI=0000:00:09.0 LWAFTR_CONF=program/lwaftr/tests/data/icmp_on_fail.conf OUTPUT=/tmp/lwaftr.csv -screen -dmS lwaftr bash -c "cd ${SNABB_GUEST};sudo taskset -c 1 ./snabb snsh -p lwaftr run -v -i --conf $LWAFTR_CONF --v4-pci ${V4_PCI} --v6-pci ${V6_PCI} | tee $OUTPUT" +screen -dmS lwaftr bash -c "cd ${SNABB_GUEST};sudo taskset -c 1 ./snabb snsh -p lwaftr run -v -i --conf $LWAFTR_CONF --v4 ${V4_PCI} --v6 ${V6_PCI} | tee $OUTPUT" From c1758a2594358e91a1ca6f7b2a0872a8c8320bab Mon Sep 17 00:00:00 2001 From: Diego Pino Date: Fri, 13 May 2016 15:23:10 +0000 Subject: [PATCH 030/340] Remove short options for arguments v4 and v6 --- src/program/lwaftr/run/run.lua | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index 14fe3be38b..66fcdd3d11 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -68,7 +68,7 @@ function parse_args(args) fatal('Failed to enable real-time scheduling. Try running as root.') end end - function handlers.n(arg) + function handlers.v4(arg) v4 = arg if not arg then fatal("Argument '--v4' was not set") @@ -77,7 +77,7 @@ function parse_args(args) fatal(("Couldn't locate NIC with PCI address '%s'"):format(v4)) end end - function handlers.m(arg) + function handlers.v6(arg) v6 = arg if not v6 then fatal("Argument '--v6' was not set") @@ -97,8 +97,8 @@ function parse_args(args) end end function handlers.h() show_usage(0) end - lib.dogetopt(args, handlers, "b:c:n:m:vD:hir:", - { conf = "c", ["v4"] = "n", ["v6"] = "m", + lib.dogetopt(args, handlers, "b:c:vD:hir:", + { conf = "c", v4 = 1, v6 = 1, verbose = "v", duration = "D", help = "h", virtio = "i", ["ring-buffer-size"] = "r", cpu = 1, ["real-time"] = 0 }) From a461a48d834b03b7f2f723958be07710400f445b Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 17 May 2016 09:23:21 +0200 Subject: [PATCH 031/340] Reintroduce v4-pci and v6-pci for backwards compatibility --- src/program/lwaftr/run/run.lua | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index 66fcdd3d11..6cead8b435 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -77,6 +77,7 @@ function parse_args(args) fatal(("Couldn't locate NIC with PCI address '%s'"):format(v4)) end end + handlers["v4-pci"] = handlers.v4 function handlers.v6(arg) v6 = arg if not v6 then @@ -86,6 +87,7 @@ function parse_args(args) fatal(("Couldn't locate NIC with PCI address '%s'"):format(v6)) end end + handlers["v6-pci"] = handlers.v6 function handlers.r (arg) ring_buffer_size = tonumber(arg) if not ring_buffer_size then fatal("bad ring size: " .. arg) end @@ -98,7 +100,7 @@ function parse_args(args) end function handlers.h() show_usage(0) end lib.dogetopt(args, handlers, "b:c:vD:hir:", - { conf = "c", v4 = 1, v6 = 1, + { conf = "c", v4 = 1, v6 = 1, ["v4-pci"] = 1, ["v6-pci"] = 1, verbose = "v", duration = "D", help = "h", virtio = "i", ["ring-buffer-size"] = "r", cpu = 1, ["real-time"] = 0 }) From 377b121beec1ebcf0b5315004a5eea77a0c30593 Mon Sep 17 00:00:00 2001 From: Diego Pino Date: Tue, 17 May 2016 11:30:10 +0000 Subject: [PATCH 032/340] Add warning message about deprecated arguments '--v4-pci' and '--v6-pci' --- src/program/lwaftr/run/run.lua | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index 6cead8b435..12ea3cd294 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -77,7 +77,10 @@ function parse_args(args) fatal(("Couldn't locate NIC with PCI address '%s'"):format(v4)) end end - handlers["v4-pci"] = handlers.v4 + handlers["v4-pci"] = function(arg) + print("WARNING: Deprecated argument '--v4-pci'. Use '--v4' instead.") + handlers.v4(arg) + end function handlers.v6(arg) v6 = arg if not v6 then @@ -87,7 +90,10 @@ function parse_args(args) fatal(("Couldn't locate NIC with PCI address '%s'"):format(v6)) end end - handlers["v6-pci"] = handlers.v6 + handlers["v6-pci"] = function(arg) + print("WARNING: Deprecated argument '--v6-pci'. Use '--v6' instead.") + handlers.v6(arg) + end function handlers.r (arg) ring_buffer_size = tonumber(arg) if not ring_buffer_size then fatal("bad ring size: " .. arg) end From 8260923af2f77f4feeb93ca1150b6f62d3f867fd Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 17 May 2016 14:22:48 +0200 Subject: [PATCH 033/340] PodHashMap: Be more like CTable Eventually we need to replace PodHashMap with CTable, and part of that will be porting things from PodHashMap *to* ctable (streaming lookup and the ability to load and save). But there are some things that CTable does that we don't do, like iteration, and to port that feature here we make a refactor to allocate all memory using a "calloc" helper that will one day be refactored elsewhere into some nice library. --- src/apps/lwaftr/podhashmap.lua | 76 ++++++++++++++++++---------------- 1 file changed, 40 insertions(+), 36 deletions(-) diff --git a/src/apps/lwaftr/podhashmap.lua b/src/apps/lwaftr/podhashmap.lua index a8daa79ce8..8d52c86503 100644 --- a/src/apps/lwaftr/podhashmap.lua +++ b/src/apps/lwaftr/podhashmap.lua @@ -27,10 +27,6 @@ local function make_entry_type(key_type, value_type) value_type) end -local function make_entries_type(entry_type) - return ffi.typeof('$[?]', entry_type) -end - -- hash := [0,HASH_MAX); scale := size/HASH_MAX local function hash_to_index(hash, scale) return floor(hash*scale + 0.5) @@ -63,7 +59,6 @@ end function PodHashMap.new(key_type, value_type, hash_fn) local phm = {} phm.entry_type = make_entry_type(key_type, value_type) - phm.type = make_entries_type(phm.entry_type) phm.hash_fn = hash_fn phm.equal_fn = make_equal_fn(key_type) phm.size = 0 @@ -75,6 +70,32 @@ function PodHashMap.new(key_type, value_type, hash_fn) return phm end +-- FIXME: There should be a library to help allocate anonymous +-- hugepages, not this code. +local try_huge_pages = true +local huge_page_threshold = 1e6 +local function calloc(t, count) + local byte_size = ffi.sizeof(t) * count + local mem, err + if try_huge_pages and byte_size > huge_page_threshold then + mem, err = S.mmap(nil, byte_size, 'read, write', + 'private, anonymous, hugetlb') + if not mem then + print("hugetlb mmap failed ("..tostring(err)..'), falling back.') + -- FIXME: Increase vm.nr_hugepages. See + -- core.memory.reserve_new_page(). + end + end + if not mem then + mem, err = S.mmap(nil, byte_size, 'read, write', + 'private, anonymous') + if not mem then error("mmap failed: " .. tostring(err)) end + end + local ret = ffi.cast(ffi.typeof('$*', t), mem) + ffi.gc(ret, function (ptr) S.munmap(ptr, byte_size) end) + return ret +end + local header_t = ffi.typeof[[ struct { uint32_t size; @@ -99,60 +120,42 @@ function load(stream, key_t, value_t, hash_fn) local map = PodHashMap.new(key_t, value_t, hash_fn) local header = stream:read_ptr(header_t) assert(header.entry_size == header.entry_size) + map.size = header.size map.scale = map.size / HASH_MAX map.occupancy = header.occupancy map.max_displacement = header.max_displacement - map.entries = stream:read_array(map.entry_type, - map.size + map.max_displacement + 1) map.min_occupancy_rate = header.min_occupancy_rate map.max_occupancy_rate = header.max_occupancy_rate map.occupancy_hi = ceil(map.size * map.max_occupancy_rate) map.occupancy_lo = floor(map.size * map.min_occupancy_rate) + local entry_count = map.size + map.max_displacement + 1 + map.entries = calloc(map.entry_type, entry_count) - -- Try to copy entries into a huge page. - local byte_size = ffi.sizeof(map.type, map.size + map.max_displacement + 1) - local mem, err = S.mmap(nil, byte_size, 'read, write', 'private, anonymous, hugetlb') - if mem then - C.memcpy(mem, map.entries, byte_size) - map.entries = ffi.cast(ffi.typeof('$*', map.entry_type), mem) - end + -- Copy the entries from disk into hugepages. + C.memcpy(map.entries, + stream:read_array(map.entry_type, entry_count), + ffi.sizeof(map.entry_type) * entry_count) return map end -local try_huge_pages = true function PodHashMap:resize(size) assert(size >= (self.occupancy / self.max_occupancy_rate)) local old_entries = self.entries local old_size = self.size - local byte_size = size * 2 * ffi.sizeof(self.type, 1) - local mem, err - if try_huge_pages and byte_size > 1e6 then - mem, err = S.mmap(nil, byte_size, 'read, write', - 'private, anonymous, hugetlb') - if not mem then - print("hugetlb mmap failed ("..tostring(err)..'), falling back.') - try_use_huge_pages = false - end - end - if not mem then - mem, err = S.mmap(nil, byte_size, 'read, write', - 'private, anonymous') - if not mem then error("mmap failed: " .. tostring(err)) end - end - self.size = size self.scale = self.size / HASH_MAX self.occupancy = 0 self.max_displacement = 0 - self.entries = ffi.cast(ffi.typeof('$*', self.entry_type), mem) self.occupancy_hi = ceil(self.size * self.max_occupancy_rate) self.occupancy_lo = floor(self.size * self.min_occupancy_rate) - for i=0,self.size*2-1 do self.entries[i].hash = HASH_MAX end + -- Allocate double the requested number of entries to make sure there + -- is sufficient displacement if all hashes map to the last bucket. + self.entries = calloc(self.entry_type, size * 2) - ffi.gc(self.entries, function (ptr) S.munmap(ptr, byte_size) end) + for i=0,self.size*2-1 do self.entries[i].hash = HASH_MAX end for i=0,old_size*2-1 do if old_entries[i].hash ~= HASH_MAX then @@ -362,13 +365,14 @@ function PodHashMap:make_lookup_streamer(stride) entries_per_lookup = self.max_displacement + 1, scale = self.scale, pointers = ffi.new('void*['..stride..']'), - entries = self.type(stride), + entries = calloc(self.entry_type, stride), -- Binary search over N elements can return N if no entry was -- found that was greater than or equal to the key. We would -- have to check the result of binary search to ensure that we -- are reading a value in bounds. To avoid this, allocate one -- more entry. - stream_entries = self.type(stride * (self.max_displacement + 1) + 1) + stream_entries = calloc(self.entry_type, + stride * (self.max_displacement + 1) + 1) } -- Give res.pointers sensible default values in case the first lookup -- doesn't fill the pointers vector. From 36780f5e3ad69e35c74cf9665f6e075935b41be8 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 17 May 2016 14:30:02 +0200 Subject: [PATCH 034/340] Add PodHashMap:iterate Ported from ctable. --- src/apps/lwaftr/podhashmap.lua | 31 +++++++++++++++++++++++++------ 1 file changed, 25 insertions(+), 6 deletions(-) diff --git a/src/apps/lwaftr/podhashmap.lua b/src/apps/lwaftr/podhashmap.lua index 8d52c86503..41cfdbc97a 100644 --- a/src/apps/lwaftr/podhashmap.lua +++ b/src/apps/lwaftr/podhashmap.lua @@ -350,6 +350,17 @@ function PodHashMap:dump() end end +function PodHashMap:iterate() + local max_entry = self.entries + self.size + self.max_displacement + local function next_entry(max_entry, entry) + while entry < max_entry do + entry = entry + 1 + if entry.hash ~= HASH_MAX then return entry end + end + end + return next_entry, max_entry, self.entries - 1 +end + function PodHashMap:make_lookup_streamer(stride) -- These requires are here because they rely on dynasm, which the -- user might not have. In that case, since they get no benefit from @@ -546,7 +557,8 @@ function selftest() -- 32-byte entries local rhh = PodHashMap.new(ffi.typeof('uint32_t'), ffi.typeof('int32_t[6]'), hash_i32) - rhh:resize(2e6 / 0.4 + 1) + local occupancy = 2e6 + rhh:resize(occupancy / 0.4 + 1) local function test_insertion(count) local v = ffi.new('int32_t[6]'); @@ -564,7 +576,7 @@ function selftest() return result end - check_perf(test_insertion, 2e6, 400, 100, 'insertion (40% occupancy)') + check_perf(test_insertion, occupancy, 400, 100, 'insertion (40% occupancy)') print('max displacement: '..rhh.max_displacement) io.write('selfcheck: ') io.flush() @@ -573,14 +585,21 @@ function selftest() io.write('population check: ') io.flush() - for i = 1, 2e6 do + for i = 1, occupancy do local offset = rhh:lookup(i) assert(rhh:val_at(offset)[0] == bnot(i)) end rhh:selfcheck() io.write('pass\n') - check_perf(test_lookup, 2e6, 300, 100, 'lookup (40% occupancy)') + io.write('iteration check: ') + io.flush() + local iterated = 0 + for entry in rhh:iterate() do iterated = iterated + 1 end + assert(iterated == occupancy) + io.write('pass\n') + + check_perf(test_lookup, occupancy, 300, 100, 'lookup (40% occupancy)') local stride = 1 repeat @@ -600,12 +619,12 @@ function selftest() -- Note that "result" is part of the value, not an index into -- the table, and so we expect the results to be different from -- rhh:lookup(). - check_perf(test_lookup_streamer, 2e6, 1000, 100, + check_perf(test_lookup_streamer, occupancy, 1000, 100, 'streaming lookup, stride='..stride) stride = stride * 2 until stride > 256 - check_perf(test_lookup, 2e6, 300, 100, 'lookup (40% occupancy)') + check_perf(test_lookup, occupancy, 300, 100, 'lookup (40% occupancy)') -- A check that our equality functions work as intended. local numbers_equal = make_equal_fn(ffi.typeof('int')) From 7f5cca8ca1c62c5c62ef50dc7ae1478c8f4566ab Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 17 May 2016 14:57:41 +0200 Subject: [PATCH 035/340] RangeMap: Add :iterate method --- src/apps/lwaftr/rangemap.lua | 61 +++++++++++++++++++++++++++++++++++- 1 file changed, 60 insertions(+), 1 deletion(-) diff --git a/src/apps/lwaftr/rangemap.lua b/src/apps/lwaftr/rangemap.lua index f77d76efa0..36757785d7 100644 --- a/src/apps/lwaftr/rangemap.lua +++ b/src/apps/lwaftr/rangemap.lua @@ -140,6 +140,19 @@ function RangeMap:lookup(k) return self.binary_search(self.entries, k) end +function RangeMap:iterate() + local entry = -1 + local function next_entry() + entry = entry + 1 + if entry >= self.size then return end + local hi, val = self.entries[entry].key, self.entries[entry].value + local lo = 0 + if entry > 0 then lo = self.entries[entry - 1].key + 1 end + return lo, hi, val + end + return next_entry +end + local range_map_header_t = ffi.typeof[[ struct { uint32_t size; @@ -186,7 +199,53 @@ function selftest() builder:add(UINT32_MAX, 100) local map = builder:build(0) - assert(map.size == 21) + -- The ranges that we expect this map to compile to. + local ranges = { + { 0, 1}, + { 1, 2}, + { 99, 0 }, + { 100, 10 }, + { 101, 20 }, + { 199, 0 }, + { 200, 30 }, + { 299, 0 }, + { 300, 40 }, + { 301, 50 }, + { 302, 60 }, + { 349, 0 }, + { 351, 70 }, + { 369, 0 }, + { 370, 70 }, + { 399, 0 }, + { 400, 70 }, + { 401, 80 }, + { UINT32_MAX-2, 0 }, + { UINT32_MAX-1, 99 }, + { UINT32_MAX, 100 }, + } + + assert(map.size == #ranges) + for i, v in ipairs(ranges) do + local key, value = unpack(v) + assert(map.entries[i-1].key == key) + assert(map.entries[i-1].value == value) + end + + do + local i = 1 + local expected_lo = 0 + for lo, hi, value in map:iterate() do + local expected_hi, expected_value = unpack(ranges[i]) + assert(lo == expected_lo) + assert(hi == expected_hi) + assert(value == expected_value) + i = i + 1 + expected_lo = hi + 1 + end + assert(i == #ranges + 1) + assert(expected_lo == UINT32_MAX + 1) + end + assert(map:lookup(0).value == 1) assert(map:lookup(1).value == 2) assert(map:lookup(2).value == 0) From 231c59e935794e3c86207b93377b5739cf05b4f3 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 17 May 2016 15:18:30 +0200 Subject: [PATCH 036/340] Add BindingTable:iterate_psid_map --- src/apps/lwaftr/binding_table.lua | 38 +++++++++++++++++++++++++++++-- 1 file changed, 36 insertions(+), 2 deletions(-) diff --git a/src/apps/lwaftr/binding_table.lua b/src/apps/lwaftr/binding_table.lua index 7e31d0d0b8..a62fae5bba 100644 --- a/src/apps/lwaftr/binding_table.lua +++ b/src/apps/lwaftr/binding_table.lua @@ -246,6 +246,19 @@ function BindingTable:get_br_address(i) return self.br_addresses[i].addr end +function BindingTable:iterate_psid_map() + local f, state, lo = self.psid_map:iterate() + local function next_entry() + local hi, value + repeat + lo, hi, value = f(state, lo) + if lo == nil then return end + until value.psid_length > 0 or value.shift > 0 + return lo, hi, value + end + return next_entry +end + function BindingTable:save(filename, mtime_sec, mtime_nsec) local out = stream.open_temporary_output_byte_stream(filename) out:write_ptr(binding_table_header_t( @@ -496,9 +509,11 @@ function selftest() local ipv4_protocol = require("lib.protocol.ipv4") local ipv6_protocol = require("lib.protocol.ipv6") + local function pton_host_uint32(ipv4) + return ffi.C.ntohl(ffi.cast('uint32_t*', ipv4_protocol:pton(ipv4))[0]) + end local function lookup(ipv4, port) - local ipv4_as_uint = ffi.cast('uint32_t*', ipv4_protocol:pton(ipv4))[0] - return map:lookup(ffi.C.ntohl(ipv4_as_uint), port) + return map:lookup(pton_host_uint32(ipv4), port) end local function assert_lookup(ipv4, port, ipv6, br) local val = assert(lookup(ipv4, port)) @@ -519,5 +534,24 @@ function selftest() assert_lookup('178.79.150.3', 5119, '127:14:25:36:47:58:69:128', 2) assert(lookup('178.79.150.3', 5120) == nil) assert(lookup('178.79.150.4', 7850) == nil) + + do + local psid_map_iter = { + { pton_host_uint32('178.79.150.2'), { psid_length=16, shift=0 } }, + { pton_host_uint32('178.79.150.3'), { psid_length=6, shift=10 } }, + { pton_host_uint32('178.79.150.15'), { psid_length=4, shift=12 } }, + { pton_host_uint32('178.79.150.233'), { psid_length=16, shift=0 } } + } + local i = 1 + for lo, hi, value in map:iterate_psid_map() do + local ipv4, expected = unpack(psid_map_iter[i]) + assert(lo == ipv4) + assert(hi == ipv4) + assert(value.psid_length == expected.psid_length) + assert(value.shift == expected.shift) + i = i + 1 + end + end + print('ok') end From 697c56029064dfc9433318fd1c813f68e9418e31 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 17 May 2016 15:26:13 +0200 Subject: [PATCH 037/340] Add BindingTable:iterate_br_addresses --- src/apps/lwaftr/binding_table.lua | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/src/apps/lwaftr/binding_table.lua b/src/apps/lwaftr/binding_table.lua index a62fae5bba..f90f7276a7 100644 --- a/src/apps/lwaftr/binding_table.lua +++ b/src/apps/lwaftr/binding_table.lua @@ -259,6 +259,16 @@ function BindingTable:iterate_psid_map() return next_entry end +function BindingTable:iterate_br_addresses() + local idx = -1 + local function next_br_address() + idx = idx + 1 + if idx >= self.br_address_count then return end + return self.br_addresses[idx].addr + end + return next_br_address +end + function BindingTable:save(filename, mtime_sec, mtime_nsec) local out = stream.open_temporary_output_byte_stream(filename) out:write_ptr(binding_table_header_t( @@ -551,7 +561,22 @@ function selftest() assert(value.shift == expected.shift) i = i + 1 end + assert(i == #psid_map_iter + 1) end + do + local br_address_iter = { + '8:9:a:b:c:d:e:f', + '1E:1:1:1:1:1:1:af', + '1E:2:2:2:2:2:2:af' + } + local i = 1 + for ipv6 in map:iterate_br_addresses() do + local expected = ipv6_protocol:pton(br_address_iter[i]) + assert(ffi.C.memcmp(expected, ipv6, 16) == 0) + i = i + 1 + end + assert(i == #br_address_iter + 1) + end print('ok') end From 6d97550ca4512918970124f84156e7e25341c6ac Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 17 May 2016 15:35:16 +0200 Subject: [PATCH 038/340] Add BindingTable:iterate_softwires --- src/apps/lwaftr/binding_table.lua | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/src/apps/lwaftr/binding_table.lua b/src/apps/lwaftr/binding_table.lua index f90f7276a7..d801faa93d 100644 --- a/src/apps/lwaftr/binding_table.lua +++ b/src/apps/lwaftr/binding_table.lua @@ -269,6 +269,10 @@ function BindingTable:iterate_br_addresses() return next_br_address end +function BindingTable:iterate_softwires() + return self.softwires:iterate() +end + function BindingTable:save(filename, mtime_sec, mtime_nsec) local out = stream.open_temporary_output_byte_stream(filename) out:write_ptr(binding_table_header_t( @@ -578,5 +582,14 @@ function selftest() end assert(i == #br_address_iter + 1) end + + do + local i = 0 + for entry in map:iterate_softwires() do i = i + 1 end + -- 11 softwires in above example. Since they are hashed into an + -- arbitrary order, we can't assert much about the iteration. + assert(i == 11) + end + print('ok') end From 033e746427563d7d52836e593d9c69dd08115721 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 17 May 2016 15:43:41 +0200 Subject: [PATCH 039/340] Add documentation. --- src/apps/lwaftr/binding_table.lua | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/src/apps/lwaftr/binding_table.lua b/src/apps/lwaftr/binding_table.lua index d801faa93d..463ece91bb 100644 --- a/src/apps/lwaftr/binding_table.lua +++ b/src/apps/lwaftr/binding_table.lua @@ -246,6 +246,14 @@ function BindingTable:get_br_address(i) return self.br_addresses[i].addr end +-- Iterate over the set of IPv4 addresses managed by a binding +-- table. Invoke like: +-- +-- for ipv4_lo, ipv4_hi, psid_info in bt:iterate_psid_map() do ... end +-- +-- The IPv4 values are host-endianness uint32 values, and are an +-- inclusive range to which the psid_info applies. The psid_info is a +-- psid_map_value_t pointer, which has psid_length and shift members. function BindingTable:iterate_psid_map() local f, state, lo = self.psid_map:iterate() local function next_entry() @@ -259,6 +267,11 @@ function BindingTable:iterate_psid_map() return next_entry end +-- Iterate over the BR addresses in a binding table. Invoke like: +-- +-- for ipv6 in bt:iterate_br_addresses() do ... end +-- +-- The IPv6 value is a uint8_t[16]. function BindingTable:iterate_br_addresses() local idx = -1 local function next_br_address() @@ -269,6 +282,15 @@ function BindingTable:iterate_br_addresses() return next_br_address end +-- Iterate over the softwires in a binding table. Invoke like: +-- +-- for entry in bt:iterate_softwires() do ... end +-- +-- Each entry is a pointer with two members, "key" and "value". They +-- key is a softwire_key_t and has "ipv4" and "psid" members. The value +-- is a softwire_value_t and has "br" and "b4_ipv6" members. The br is +-- a zero-based index into the br_addresses array, and b4_ipv6 is a +-- uint8_t[16]. function BindingTable:iterate_softwires() return self.softwires:iterate() end From 9278eb0144cf715e1ef0978fe0eec0e10b48b6ec Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 17 May 2016 16:29:30 +0200 Subject: [PATCH 040/340] Add BindingTable:dump --- src/apps/lwaftr/binding_table.lua | 54 +++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/src/apps/lwaftr/binding_table.lua b/src/apps/lwaftr/binding_table.lua index 463ece91bb..0b11ceb7a7 100644 --- a/src/apps/lwaftr/binding_table.lua +++ b/src/apps/lwaftr/binding_table.lua @@ -307,6 +307,55 @@ function BindingTable:save(filename, mtime_sec, mtime_nsec) out:close_and_rename(filename) end +function BindingTable:dump(filename) + local tmp = os.tmpname() + local out = io.open(tmp, 'w+') + local ipv4, ipv6 = require('lib.protocol.ipv4'), require('lib.protocol.ipv6') + local function fmt(out, template, ...) out:write(template:format(...)) end + local function dump(template, ...) fmt(out, template, ...) end + + local function ipv4_ntop(addr) + return ipv4:ntop(ffi.new('uint32_t[1]', { ffi.C.htonl(addr) })) + end + + dump("psid_map {\n") + for lo, hi, psid_info in self:iterate_psid_map() do + dump(" ") + if lo < hi then dump('%s-', ipv4_ntop(lo)) end + dump('%s { psid_length=%d', ipv4_ntop(hi), psid_info.psid_length) + if psid_info.shift ~= 16 - psid_info.shift then + dump(', shift=%d', psid_info.shift) + end + dump(" }\n") + end + dump("}\n\n") + + dump("br_addresses {\n") + for addr in self:iterate_br_addresses() do + dump(" %s\n", ipv6:ntop(addr)) + end + dump("}\n\n") + + dump("softwires {\n") + for entry in self:iterate_softwires() do + dump(" { ipv4=%s, psid=%d, b4=%s", ipv4_ntop(entry.key.ipv4), + entry.key.psid, ipv6:ntop(entry.value.b4_ipv6)) + if entry.value.br ~= 0 then dump(", aftr=%d", entry.value.br) end + dump(" }\n") + end + dump("}\n\n") + + out:flush() + + local res, err = os.rename(tmp, filename) + if not res then + io.stderr:write("Failed to rename "..tmp.." to "..filename..": ") + io.stderr:write(tostring(err).."\n") + else + print("Binding table dumped to "..filename..".") + end +end + local function load_compiled(stream) read_magic(stream) local psid_map = rangemap.load(stream, psid_map_value_t) @@ -543,6 +592,11 @@ function selftest() map = load(tmp) os.remove(tmp) + local tmp = os.tmpname() + map:dump(tmp) + map = load(tmp) + os.remove(tmp) + local ipv4_protocol = require("lib.protocol.ipv4") local ipv6_protocol = require("lib.protocol.ipv6") local function pton_host_uint32(ipv4) From a051092da2297f3421388494307e78b726d24896 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 17 May 2016 16:35:25 +0200 Subject: [PATCH 041/340] Hook up binding table dumping to the lwAFTR --- src/apps/lwaftr/dump.lua | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) diff --git a/src/apps/lwaftr/dump.lua b/src/apps/lwaftr/dump.lua index 2b56fa6056..5eb73abd8d 100644 --- a/src/apps/lwaftr/dump.lua +++ b/src/apps/lwaftr/dump.lua @@ -118,25 +118,9 @@ local function copy_file (dest, src) fout:close() end ---[[ -A compiled binding table doesn't allow access to its internal data, so it's -not possible to iterate through it and dump it to a text file. The compiled -binding table must match with the binding table in text format. What we do is -to check whether the compiled binding table is the result of compiling the -text version. The compiled binding table contains a header that can be checked -to verify this information. If that's the case, we copy the text version of -the binding table to /tmp. ---]] function dump_binding_table (lwstate) - local bt_txt = lwstate.conf.binding_table - local bt_o = bt_txt:gsub("%.txt$", "%.o") - if not bt_is_fresh(bt_txt, bt_o) then - error("Binding table file is outdated: '%s'"):format(bt_txt) - main.exit(1) - end - local dest = (BINDING_TABLE_FILE_DUMP):format(os.time()) - print(("Dump lwAFTR configuration: '%s'"):format(dest)) - copy_file(dest, bt_txt) + print("Dumping lwAFTR binding table...") + lwstate.binding_table:dump(BINDING_TABLE_FILE_DUMP:format(os.time())) end function selftest () From dd5e5b330aa444e2ea571bf024bde42100d9340e Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 19 May 2016 08:49:54 +0000 Subject: [PATCH 042/340] Fix promise bug with more than one argument. --- src/program/lwaftr/loadtest/promise.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/program/lwaftr/loadtest/promise.lua b/src/program/lwaftr/loadtest/promise.lua index dce4d2b6c7..1f28adb247 100644 --- a/src/program/lwaftr/loadtest/promise.lua +++ b/src/program/lwaftr/loadtest/promise.lua @@ -12,7 +12,7 @@ local function curry(f, ...) if #curried_args == 0 then return f end return function(...) local args = { ... } - for i=#curried_args, 1 do + for i=#curried_args, 1, -1 do table.insert(args, 1, curried_args[i]) end return f(unpack(args)) From 2c118cdfdd6add5f331d72d30e6e58b5ba11d606 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 19 May 2016 09:08:44 +0000 Subject: [PATCH 043/340] Loadtest supports different programs --- src/program/lwaftr/loadtest/README | 40 +++++++--- src/program/lwaftr/loadtest/loadtest.lua | 93 ++++++++++++++++-------- 2 files changed, 90 insertions(+), 43 deletions(-) diff --git a/src/program/lwaftr/loadtest/README b/src/program/lwaftr/loadtest/README index f6b41e815e..ef5ffe8266 100644 --- a/src/program/lwaftr/loadtest/README +++ b/src/program/lwaftr/loadtest/README @@ -6,22 +6,38 @@ Usage: loadtest [OPTIONS] [ 0, 'bitrate must be positive') assert(opts.step > 0, 'step must be positive') @@ -117,26 +152,28 @@ function run(args) end engine.configure(c) - local function adjust_rates(bit_rate) + local tester = {} + + function tester.adjust_rates(bit_rate) for _,stream in ipairs(streams) do local app = engine.app_table[stream.repeater_id] app:set_rate(bit_rate) end end - local function generate_load(bitrate, duration) - adjust_rates(bitrate) - return promise.Wait(duration):and_then(adjust_rates, 0) + function tester.generate_load(bitrate, duration) + tester.adjust_rates(bitrate) + return promise.Wait(duration):and_then(tester.adjust_rates, 0) end - local function warm_up() + function tester.warm_up() print(string.format("Warming up at %f Gb/s for %s seconds.", WARM_UP_BIT_RATE / 1e9, WARM_UP_TIME)) - return generate_load(WARM_UP_BIT_RATE, WARM_UP_TIME): + return tester.generate_load(WARM_UP_BIT_RATE, WARM_UP_TIME): and_then(promise.Wait, 0.5) end - local function record_counters() + function tester.record_counters() local ret = {} for _, stream in ipairs(streams) do local tx_nic = assert(engine.app_table[stream.nic_tx_id], @@ -151,11 +188,11 @@ function run(args) return ret end - local function print_counter_diff(before, after) + function tester.print_counter_diff(before, after, duration) local function bitrate(diff) -- 7 bytes preamble, 1 start-of-frame, 4 CRC, 12 interpacket gap. local overhead = 7 + 1 + 4 + 12 - return (diff.txbytes + diff.txpackets * overhead) * 8 / opts.duration + return (diff.txbytes + diff.txpackets * overhead) * 8 / duration end for _, stream in ipairs(streams) do print(string.format(' %s:', stream.tx_name)) @@ -164,10 +201,10 @@ function run(args) local tx = diff_counters(nic_before.tx, nic_after.tx) local rx = diff_counters(nic_before.rx, nic_after.rx) print(string.format(' TX %d packets (%f MPPS), %d bytes (%f Gbps)', - tx.txpackets, tx.txpackets / opts.duration / 1e6, + tx.txpackets, tx.txpackets / duration / 1e6, tx.txbytes, bitrate(tx) / 1e9)) print(string.format(' RX %d packets (%f MPPS), %d bytes (%f Gbps)', - rx.txpackets, rx.txpackets / opts.duration / 1e6, + rx.txpackets, rx.txpackets / duration / 1e6, rx.txbytes, bitrate(rx) / 1e9)) print(string.format(' Loss: %d packets (%f%%)', tx.txpackets - rx.txpackets, @@ -175,38 +212,32 @@ function run(args) end end - local function measure(bitrate) - local start_counters = record_counters() + function tester.measure(bitrate, duration) + local start_counters = tester.record_counters() local function report() - local end_counters = record_counters() - print_counter_diff(start_counters, end_counters) + local end_counters = tester.record_counters() + tester.print_counter_diff(start_counters, end_counters, duration) end print(string.format('Applying %f Gbps of load.', bitrate/1e9)) - return generate_load(bitrate, opts.duration): + return tester.generate_load(bitrate, duration): -- Wait 2ms for packets in flight to arrive and_then(promise.Wait, 0.002): and_then(report) end - local function run_tests() - local head = promise.new() - local tail = head - for step = 1, math.ceil(opts.bitrate / opts.step) do - tail = tail:and_then(measure, math.min(opts.bitrate, opts.step * step)) - end - head:resolve() - return tail - end - - local function run_engine(p) + local function run_engine(head, tail) local is_done = false local function mark_done() is_done = true end - p:and_then(mark_done) + tail:and_then(mark_done) local function done() return is_done end + head:resolve() engine.main({done=done}) end engine.busywait = true - run_engine(warm_up():and_then(run_tests)) + local head = promise.new() + run_engine(head, + head:and_then(tester.warm_up) + :and_then(opts.program, tester, opts)) end From 3b1dfb4cdb9db7847bd6d892f881a1c743652b6f Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 19 May 2016 12:34:05 +0200 Subject: [PATCH 044/340] Forward-port CHANGELOG. --- src/program/lwaftr/doc/CHANGELOG.md | 81 +++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/src/program/lwaftr/doc/CHANGELOG.md b/src/program/lwaftr/doc/CHANGELOG.md index 00e9f2dd54..7c6e1445bf 100644 --- a/src/program/lwaftr/doc/CHANGELOG.md +++ b/src/program/lwaftr/doc/CHANGELOG.md @@ -1,5 +1,86 @@ # Change Log +## [2.6] - 2016-05-18 + +A bug fix release. + + * Fix ability to dump the running binding table to a text file. Our + previous fix in 2.5 assumed that we could find the original binding + table on disk, but that is not always the case, for example if the + binding table was changed or moved. + + On the bright side, the binding table dumping facility will now work + even if the binding table is changed at run-time, which will be + necessary once we start supporting incremental binding-table updates. + +## [2.5] - 2016-05-13 + +A bug fix release. + + * Fix bug in the NDP implementation. Before, the lwAFTR would respond + to neighbor solicitations to any of the IPv6 addresses associated + with tunnel endpoints, but not to the IPv6 address of the interface. + This was exactly backwards and has been fixed. + + * Fix ability to dump the running binding table to a text file. This + had been fixed on the main development branch before v2.4 but we + missed it when selecting the features to back-port to the 2.x release + branch. + + * Add ability to read in ingress and egress filters from files. If the + filter value starts with a "<", it is interpreted as a file that + should be read. For example, `ipv6_egress_filter = + Date: Thu, 19 May 2016 13:44:47 +0000 Subject: [PATCH 045/340] Disable JIT flush/drop monitor on loadtest; print ingress drops. --- src/program/lwaftr/loadtest/loadtest.lua | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/src/program/lwaftr/loadtest/loadtest.lua b/src/program/lwaftr/loadtest/loadtest.lua index 09315ec642..d84e512fb4 100644 --- a/src/program/lwaftr/loadtest/loadtest.lua +++ b/src/program/lwaftr/loadtest/loadtest.lua @@ -182,7 +182,8 @@ function run(args) "NIC "..stream.nic_rx_id.." not found") ret[stream.nic_tx_id] = { tx = read_counters(tx_nic.input.rx), - rx = read_counters(rx_nic.output.tx) + rx = read_counters(rx_nic.output.tx), + drop = rx_nic:ingress_packet_drops() } end return ret @@ -200,14 +201,15 @@ function run(args) local nic_before, nic_after = before[nic_id], after[nic_id] local tx = diff_counters(nic_before.tx, nic_after.tx) local rx = diff_counters(nic_before.rx, nic_after.rx) + local drop = tonumber(nic_after.drop - nic_before.drop) print(string.format(' TX %d packets (%f MPPS), %d bytes (%f Gbps)', tx.txpackets, tx.txpackets / duration / 1e6, tx.txbytes, bitrate(tx) / 1e9)) print(string.format(' RX %d packets (%f MPPS), %d bytes (%f Gbps)', rx.txpackets, rx.txpackets / duration / 1e6, rx.txbytes, bitrate(rx) / 1e9)) - print(string.format(' Loss: %d packets (%f%%)', - tx.txpackets - rx.txpackets, + print(string.format(' Loss: %d ingress drop + %d packets lost (%f%%)', + drop, (tx.txpackets - rx.txpackets) - drop, (tx.txpackets - rx.txpackets) / tx.txpackets * 100)) end end @@ -232,7 +234,7 @@ function run(args) local function done() return is_done end head:resolve() - engine.main({done=done}) + engine.main({done=done, ingress_drop_monitor=false}) end engine.busywait = true From e382b30764bbd941f56f607fa891e8514d1d944d Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 24 May 2016 11:38:06 +0200 Subject: [PATCH 046/340] Update documentation --- .../lwaftr/doc/README.configuration.md | 72 +++++++++++++++---- src/program/lwaftr/doc/README.performance.md | 38 ++++++++-- 2 files changed, 90 insertions(+), 20 deletions(-) diff --git a/src/program/lwaftr/doc/README.configuration.md b/src/program/lwaftr/doc/README.configuration.md index 2d6a6c2769..c8d0f704eb 100644 --- a/src/program/lwaftr/doc/README.configuration.md +++ b/src/program/lwaftr/doc/README.configuration.md @@ -25,10 +25,10 @@ policy_icmpv6_outgoing = ALLOW v4_vlan_tag = 1234 v6_vlan_tag = 42 vlan_tagging = true -# ipv4_ingress_filter = ip -# ipv4_egress_filter = ip -# ipv6_ingress_filter = ip6 -# ipv6_egress_filter = ip6 +# ipv4_ingress_filter = "ip" +# ipv4_egress_filter = "ip" +# ipv6_ingress_filter = "ip6" +# ipv6_egress_filter = "ip6" ``` The lwAFTR is associated with two physical network cards. One of these cards @@ -90,6 +90,10 @@ See [README.bindingtable.md](README.bindingtable.md) for binding table details. Note that you can compile the binding table beforehand; again, see [README.bindingtable.md](README.bindingtable.md). +If the path to the binding table is a relative path, it will be relative +to the location of the configuration file. Enclose the path in single +or double quotes if the path contains spaces. + ### Hairpinning ``` @@ -157,24 +161,64 @@ will be provided upon request. ### Ingress and egress filters ``` -# ipv4_ingress_filter = ip -# ipv4_egress_filter = ip -# ipv6_ingress_filter = ip6 -# ipv6_egress_filter = ip6 +# ipv4_ingress_filter = "ip" +# ipv4_egress_filter = "ip" +# ipv6_ingress_filter = "ip6" +# ipv6_egress_filter = "ip6" ``` In the example configuration these entries are commented out by the `#` character. If uncommented, the right-hand-side should be a [pflang](https://github.com/Igalia/pflua/blob/master/doc/pflang.md) filter. Pflang is the language of `tcpdump`, `libpcap`, and other -tools. If these options are given, the filters will run on the packets -without vlan tags, if any. +tools. + +If an ingress or egress filter is specified in the configuration file, +then only packets which match that filter will be allowed in or out of +the lwAFTR. It might help to think of the filter as being "whitelists" +-- they pass only what matches and reject other things. To make a +"blacklist" filter, use the `not` pflang operator: + +``` +ipv4_ingress_filter = "not ip6" +``` + +You might need to use parentheses so that you are applying the `not` to +the right subexpression. Note also that if you have 802.1Q vlan tagging +enabled, the ingress and egress filters run after the tags have been +stripped. -Filter definitions may also be stored in separate config files, one per -filter, and their relative paths go to the right-hand side of these entries. -The relative paths should be prefixed by `<` and are based on the directory -where the main config file is. Example: +Here is a more complicated example: + +``` +ipv6_egress_filter = " + ip6 and not ( + (icmp6 and + src net 3ffe:501:0:1001::2/128 and + dst net 3ffe:507:0:1:200:86ff:fe05:8000/116) + or + (ip6 and udp and + src net 3ffe:500::/28 and + dst net 3ffe:0501:4819::/64 and + src portrange 2397-2399 and + dst port 53) + ) +" +``` + +As filter definitions can be a bit unmanageable as part of the +configuration, you can also load filters from a file. To do this, start +the filter configuration like with `<` and follow it immediately with a +file name. ``` ipv4_ingress_filter = $CPUFREQ; done ``` -## Avoid fragmentation -Make sure that MTUs are set such that fragmentation is rare. +You might need to also go into your BIOS and verify that you have not +enabled aggressive power-saving modes that could downclock your +processors. A CPU in a power-saving mode typically takes some time to +return to peak performance, and this latency can cause packet loss. + +## Avoid fragmentation +Fragment reassembly in particular is a costly operation. Make sure that +MTUs are set such that fragmentation is rare. ## NUMA @@ -47,7 +53,9 @@ node 1 cpus: 6 7 8 9 10 11 ``` So for these we should run our binaries under `taskset -c CPU` to bind -them to CPUs in the NUMA node 0. +them to CPUs in the NUMA node 0. You also need to run Snabb within +`numactl --membind` to make sure only to use memory that is close to +that NUMA node. ## Isolate CPUs @@ -58,11 +66,29 @@ To isolate CPUs, boot your Linux kernel with the `isolcpus` parameter. Under NixOS, edit `/etc/nixos/configuration.nix` to add this parameter: ``` -boot.kernelParams = [ "hugepagesz=1G" "hugepages=10" "isolcpus=1-5,7-11" ]; +boot.kernelParams = [ "default_hugepagesz=2048K" "hugepagesz=2048K" + "hugepages=10000" "isolcpus=1-5,7-11" ]; ``` -The line above prevents the kernel to schedule processes in CPUs ranging from -1 to 5 and 7 to 11. That leaves CPUs 0 and 6 for the Linux kernel. +The line above prevents the kernel to schedule processes in CPUs ranging +from 1 to 5 and 7 to 11. That leaves CPUs 0 and 6 for the Linux kernel. +By default, the kernel will arrange deliver interrupts to the first CPU +on a socket, so this `isolcpus` setting should also isolate the +dataplane from interrupt handling as well. After adding the `isolcpus` flag run `nixos-rebuild switch` and then reboot your workstation to enable the changes. + +Note that if you are not running NixOS, you probably have `irqbalanced` +running, and so you might need to stop that to prevent interrupts being +delivered to your Snabb process. + +## Ingress and egress filtering + +Simply enabling ingress and/or egress filtering has a cost. Enabling +all filtes adds 4 apps to the Snabb graph, and there is a cost for every +additional Snabb app. In our tests, while a normal run can do 10 Gbps +over two interfaces in full duplex, enabling filters drops that to 8.2 +Gbps before dropping packets. However we have not found that the +performance depends much on the size of the filter, as the filter's +branches are well-biased. From f0d75a3f748761fd7c613847d67bbbaee23b9eb3 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 25 May 2016 13:37:23 +0200 Subject: [PATCH 047/340] Add get_mempolicy, set_mempolicy NUMA syscalls Calling get_mempolicy() will return an object with "mode" and "mask" keys, corresponding to the two output arguments of the get_mempolicy function. The mask is implemented along the lines of cpu_set, except that it can hold any number of bits, defaulting to the size of a long. set_mempolicy(mode, mask) imposes a mode and possibly a mask as well. --- lib/ljsyscall/syscall/linux/c.lua | 7 +++ lib/ljsyscall/syscall/linux/constants.lua | 17 ++++++ lib/ljsyscall/syscall/linux/syscalls.lua | 12 ++++ lib/ljsyscall/syscall/linux/types.lua | 68 +++++++++++++++++++++++ 4 files changed, 104 insertions(+) diff --git a/lib/ljsyscall/syscall/linux/c.lua b/lib/ljsyscall/syscall/linux/c.lua index f914df60e4..356742c402 100644 --- a/lib/ljsyscall/syscall/linux/c.lua +++ b/lib/ljsyscall/syscall/linux/c.lua @@ -347,6 +347,13 @@ function C.sched_setparam(pid, param) return syscall(sys.sched_setparam, int(pid), void(param)) end +function C.get_mempolicy(mode, mask, maxnode, addr, flags) + return syscall(sys.get_mempolicy, void(mode), void(mask), ulong(maxnode), ulong(addr), ulong(flags)) +end +function C.set_mempolicy(mode, mask, maxnode) + return syscall(sys.set_mempolicy, int(mode), void(mask), ulong(maxnode)) +end + -- in librt for glibc but use syscalls instead of loading another library function C.clock_nanosleep(clk_id, flags, req, rem) return syscall(sys.clock_nanosleep, int(clk_id), int(flags), void(req), void(rem)) diff --git a/lib/ljsyscall/syscall/linux/constants.lua b/lib/ljsyscall/syscall/linux/constants.lua index 23c68af3f3..3497885f92 100644 --- a/lib/ljsyscall/syscall/linux/constants.lua +++ b/lib/ljsyscall/syscall/linux/constants.lua @@ -3149,6 +3149,23 @@ c.IPT_SO_GET = strflag { REVISION_TARGET = IPT_BASE_CTL + 3, } +c.MPOL_MODE = multiflags { + DEFAULT = 0, + PREFERRED = 1, + BIND = 2, + INTERLEAVE = 3, + LOCAL = 4, + -- TODO: Only the following two flags can be ORed. + STATIC_NODES = 0x80000000, + RELATIVE_NODES = 0x40000000, +} + +c.MPOL_FLAG = multiflags { + NODE = 1, + ADDR = 2, + MEMS_ALLOWED = 4 +} + c.SCHED = multiflags { NORMAL = 0, OTHER = 0, diff --git a/lib/ljsyscall/syscall/linux/syscalls.lua b/lib/ljsyscall/syscall/linux/syscalls.lua index 335144080b..d51f0a32a1 100644 --- a/lib/ljsyscall/syscall/linux/syscalls.lua +++ b/lib/ljsyscall/syscall/linux/syscalls.lua @@ -457,6 +457,18 @@ function S.sched_setaffinity(pid, mask, len) -- note len last as rarely used return retbool(C.sched_setaffinity(pid or 0, len or s.cpu_set, mktype(t.cpu_set, mask))) end +function S.get_mempolicy(mode, mask, addr, flags) + mode = mode or t.int1() + mask = mktype(t.bitmask, mask) + local ret, err = C.get_mempolicy(mode, mask.mask, mask.size, addr or 0, c.MPOL_FLAG[flags]) + if ret == -1 then return nil, t.error(err or errno()) end + return { mode=mode[0], mask=mask } +end +function S.set_mempolicy(mode, mask) + mask = mktype(t.bitmask, mask) + return retbool(C.set_mempolicy(c.MPOL_MODE[mode], mask.mask, mask.size)) +end + function S.sched_get_priority_max(policy) return retnum(C.sched_get_priority_max(c.SCHED[policy])) end function S.sched_get_priority_min(policy) return retnum(C.sched_get_priority_min(c.SCHED[policy])) end diff --git a/lib/ljsyscall/syscall/linux/types.lua b/lib/ljsyscall/syscall/linux/types.lua index 89bcd14da8..2af4ed5112 100644 --- a/lib/ljsyscall/syscall/linux/types.lua +++ b/lib/ljsyscall/syscall/linux/types.lua @@ -1002,6 +1002,74 @@ mt.cpu_set = { addtype(types, "cpu_set", "struct cpu_set_t", mt.cpu_set) +local ulong_bit_count = ffi.sizeof('unsigned long') * 8 +local function ulong_index_and_bit(n) + local i = math.floor(n / ulong_bit_count) + local b = bit.lshift(1ULL, n - i * ulong_bit_count) + return i, b +end + +mt.bitmask = { + index = { + zero = function(mask) ffi.fill(mask, s.bitmask) end, + set = function(mask, node) + if type(node) == "table" then -- table is an array of node numbers eg {1, 2, 4} + for i = 1, #node do mask:set(node[i]) end + return mask + end + if node >= mask.size then error("numa node too large " .. node) end + local i, b = ulong_index_and_bit(node) + mask.mask[i] = bit.bor(mask.mask[i], b) + return mask + end, + clear = function(mask, node) + if type(node) == "table" then -- table is an array of node numbers eg {1, 2, 4} + for i = 1, #node do mask:clear(node[i]) end + return mask + end + if node < mask.size then + local i, b = ulong_index_and_bit(node) + mask.mask[i] = bit.band(mask.mask[i], bit.bnot(b)) + end + return mask + end, + get = function(mask, node) + local i, b = ulong_index_and_bit(node) + if node >= mask.size then return false end + return bit.band(mask.mask[i], b) ~= 0 + end, + }, + __index = function(mask, k) + if mt.bitmask.index[k] then return mt.bitmask.index[k] end + if type(k) == "number" then return mask:get(k) end + error("invalid index " .. k) + end, + __newindex = function(mask, k, v) + if type(k) ~= "number" then error("invalid index " .. k) end + if v then mask:set(k) else mask:clear(k) end + end, + __new = function(tp, tab, size) + -- Round size to multiple of ulong bit count. + if size then + size = bit.band(size + ulong_bit_count - 1, bit.bnot(ulong_bit_count - 1)) + else + size = ulong_bit_count + end + local mask = ffi.new(tp, size / ulong_bit_count, size) + if tab then mask:set(tab) end + return mask + end, + __tostring = function(mask) + local tab = {} + for i = 0, tonumber(mask.size - 1) do + if mask:get(i) then tab[#tab + 1] = i end + end + return "{" .. table.concat(tab, ",") .. "}" + end, +} + +addtype_var(types, "bitmask", "struct {unsigned long size; unsigned long mask[?];}", mt.bitmask) + mt.mq_attr = { index = { flags = function(mqa) return tonumber(mqa.mq_flags) end, From af8f015145bdfceb5f60811d3e91d7e861521117 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 25 May 2016 13:38:23 +0200 Subject: [PATCH 048/340] Add beginnings of NUMA module for Snabb --- src/lib/numa.lua | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 src/lib/numa.lua diff --git a/src/lib/numa.lua b/src/lib/numa.lua new file mode 100644 index 0000000000..bcd213146f --- /dev/null +++ b/src/lib/numa.lua @@ -0,0 +1,23 @@ +module(..., package.seeall) + +local S = require("syscall") + +function set_cpu (cpu) + local cpu_set = S.sched_getaffinity() + cpu_set:zero() + cpu_set:set(cpu) + S.sched_setaffinity(0, cpu_set) + + local policy = S.get_mempolicy() + mask:zero() + mask:set(cpu) -- fixme should be numa node + S.set_mempolicy(policy.mode, policy.mask) + if not S.sched_setscheduler(0, "fifo", 1) then + fatal('Failed to enable real-time scheduling. Try running as root.') + end +end + +function selftest () + print(S.sched_getaffinity()) + print(S.get_mempolicy().mask) +end From fc0bb6df23f1c2cc4bf19de246c62ecdf419ce49 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 25 May 2016 15:06:57 +0200 Subject: [PATCH 049/340] Add cpu_get_numa_node --- src/lib/numa.lua | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/src/lib/numa.lua b/src/lib/numa.lua index bcd213146f..7b865b1c78 100644 --- a/src/lib/numa.lua +++ b/src/lib/numa.lua @@ -2,6 +2,19 @@ module(..., package.seeall) local S = require("syscall") +function cpu_get_numa_node (cpu) + local node = 0 + while true do + local node_dir = S.open('/sys/devices/system/node/node'..node, + 'rdonly, directory') + if not node_dir then return end + local found = S.readlinkat(node_dir, 'cpu'..cpu) + node_dir:close() + if found then return node end + node = node + 1 + end +end + function set_cpu (cpu) local cpu_set = S.sched_getaffinity() cpu_set:zero() @@ -18,6 +31,7 @@ function set_cpu (cpu) end function selftest () + print(cpu_get_numa_node(0)) print(S.sched_getaffinity()) print(S.get_mempolicy().mask) end From 0cb8bd86955abb9e6a35617f338d385f45257364 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 25 May 2016 15:52:52 +0200 Subject: [PATCH 050/340] Add more NUMA methods --- src/lib/numa.lua | 71 ++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 59 insertions(+), 12 deletions(-) diff --git a/src/lib/numa.lua b/src/lib/numa.lua index 7b865b1c78..72d4923deb 100644 --- a/src/lib/numa.lua +++ b/src/lib/numa.lua @@ -2,6 +2,9 @@ module(..., package.seeall) local S = require("syscall") +local bound_cpu +local bound_numa_node + function cpu_get_numa_node (cpu) local node = 0 while true do @@ -15,23 +18,67 @@ function cpu_get_numa_node (cpu) end end -function set_cpu (cpu) +function pci_get_numa_node (addr) + local file = assert(io.open('/sys/bus/pci/devices/'..addr..'/numa_node')) + local node = tonumber(file) + -- node can be -1. + if node >= 0 then return node end +end + +function unbind_cpu () local cpu_set = S.sched_getaffinity() cpu_set:zero() - cpu_set:set(cpu) - S.sched_setaffinity(0, cpu_set) - - local policy = S.get_mempolicy() - mask:zero() - mask:set(cpu) -- fixme should be numa node - S.set_mempolicy(policy.mode, policy.mask) - if not S.sched_setscheduler(0, "fifo", 1) then + for i = 0, 1023 do cpu_set:set(i) end + assert(S.sched_setaffinity(0, cpu_set)) + bound_cpu = nil +end + +function bind_to_cpu (cpu) + if cpu == bound_cpu then return end + if not cpu then return unbind_cpu() end + assert(not bound_cpu, "already bound") + + assert(S.sched_setaffinity(0, cpu)) + local cpu_and_node = S.getcpu() + assert(cpu_and_node.cpu == cpu) + bound_cpu = cpu + + bind_to_numa_node (cpu_and_node.node) +end + +function unbind_numa_node () + assert(S.set_mempolicy('default')) + bound_numa_node = nil +end + +function bind_to_numa_node (node) + if node == bound_numa_node then return end + if not node then return unbind_numa_node() end + assert(not bound_numa_node, "already bound") + + assert(S.set_mempolicy('bind', node)) + bound_numa_node = node +end + +function prevent_preemption(priority) + if not S.sched_setscheduler(0, "fifo", priority or 1) then fatal('Failed to enable real-time scheduling. Try running as root.') end end function selftest () - print(cpu_get_numa_node(0)) - print(S.sched_getaffinity()) - print(S.get_mempolicy().mask) + print('selftest: numa') + bind_to_cpu(0) + assert(bound_cpu == 0) + assert(bound_numa_node == 0) + assert(S.getcpu().cpu == 0) + assert(S.getcpu().node == 0) + bind_to_cpu(nil) + assert(bound_cpu == nil) + assert(bound_numa_node == 0) + assert(S.getcpu().node == 0) + bind_to_numa_node(nil) + assert(bound_cpu == nil) + assert(bound_numa_node == nil) + print('selftest: numa: ok') end From a3d8fa4f0b5aa73e6d07fb783ba87a377fcb6984 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 25 May 2016 16:15:14 +0200 Subject: [PATCH 051/340] Add choose_numa_node_for_pci_addresses --- src/lib/numa.lua | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/src/lib/numa.lua b/src/lib/numa.lua index 72d4923deb..43ed259c3d 100644 --- a/src/lib/numa.lua +++ b/src/lib/numa.lua @@ -20,11 +20,30 @@ end function pci_get_numa_node (addr) local file = assert(io.open('/sys/bus/pci/devices/'..addr..'/numa_node')) - local node = tonumber(file) + local node = assert(tonumber(file:read())) -- node can be -1. if node >= 0 then return node end end +function choose_numa_node_for_pci_addresses (addrs, require_affinity) + local chosen_node, chosen_because_of_addr + for _, addr in ipairs(addrs) do + local node = pci_get_numa_node(addr) + if not node or node == chosen_node then + -- Keep trucking. + elseif not chosen_node then + chosen_node = node + chosen_because_of_addr = addr + else + local msg = string.format( + "PCI devices %s and %s have different NUMA node affinities", + chosen_because_of_addr, addr) + if require_affinity then error(msg) else print('Warning: '..msg) end + end + end + return chosen_node +end + function unbind_cpu () local cpu_set = S.sched_getaffinity() cpu_set:zero() From 449490d81c1bac97931436edbd4a2f20eea3bb29 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 25 May 2016 16:34:55 +0200 Subject: [PATCH 052/340] pci_get_numa_node can accept canonical addresses --- src/lib/numa.lua | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/lib/numa.lua b/src/lib/numa.lua index 43ed259c3d..bf76511a3f 100644 --- a/src/lib/numa.lua +++ b/src/lib/numa.lua @@ -1,6 +1,7 @@ module(..., package.seeall) local S = require("syscall") +local pci = require("lib.hardware.pci") local bound_cpu local bound_numa_node @@ -19,6 +20,7 @@ function cpu_get_numa_node (cpu) end function pci_get_numa_node (addr) + addr = pci.qualified(addr) local file = assert(io.open('/sys/bus/pci/devices/'..addr..'/numa_node')) local node = assert(tonumber(file:read())) -- node can be -1. From 85f0319ab837a2c39f6255d24fd588e1f99596eb Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 25 May 2016 17:04:29 +0200 Subject: [PATCH 053/340] Add numa.check_affinity_for_pci_addresses --- src/lib/numa.lua | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/src/lib/numa.lua b/src/lib/numa.lua index bf76511a3f..778f4664bd 100644 --- a/src/lib/numa.lua +++ b/src/lib/numa.lua @@ -19,6 +19,13 @@ function cpu_get_numa_node (cpu) end end +function has_numa () + local node1 = S.open('/sys/devices/system/node/node1', 'rdonly, directory') + if not node1 then return false end + node1:close() + return true +end + function pci_get_numa_node (addr) addr = pci.qualified(addr) local file = assert(io.open('/sys/bus/pci/devices/'..addr..'/numa_node')) @@ -46,6 +53,24 @@ function choose_numa_node_for_pci_addresses (addrs, require_affinity) return chosen_node end +function check_affinity_for_pci_addresses (addrs) + local policy = S.get_mempolicy() + if policy.mode == S.c.MPOL_MODE['default'] then + if has_numa() then + print('Warning: No NUMA memory affinity.') + print('Pass --cpu to bind to a CPU and its NUMA node.') + end + elseif policy.mode ~= S.c.MPOL_MODE['bind'] then + print("Warning: NUMA memory policy already in effect, but it's not --membind.") + else + local node = S.getcpu().node + local node_for_pci = choose_numa_node_for_pci_addresses(addrs) + if node_for_pci and node ~= node_for_pci then + print("Warning: Bound NUMA node does not have affinity with PCI devices.") + end + end +end + function unbind_cpu () local cpu_set = S.sched_getaffinity() cpu_set:zero() From 806746d440e99bc0a6901bc8361179381e74a1c3 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 25 May 2016 17:53:46 +0200 Subject: [PATCH 054/340] Work around a broken `getcpu' --- src/lib/numa.lua | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/src/lib/numa.lua b/src/lib/numa.lua index 778f4664bd..f9484cabbc 100644 --- a/src/lib/numa.lua +++ b/src/lib/numa.lua @@ -1,5 +1,6 @@ module(..., package.seeall) +local ffi = require("ffi") local S = require("syscall") local pci = require("lib.hardware.pci") @@ -19,6 +20,16 @@ function cpu_get_numa_node (cpu) end end +-- Sadly, ljsyscall's `getcpu' call doesn't appear to work for some +-- reason: https://github.com/justincormack/ljsyscall/issues/194. Until +-- then, here's a shim. +ffi.cdef("int sched_getcpu(void);") +function getcpu() + local ret = { cpu = ffi.C.sched_getcpu() } + ret.node = cpu_get_numa_node(ret.cpu) + return ret +end + function has_numa () local node1 = S.open('/sys/devices/system/node/node1', 'rdonly, directory') if not node1 then return false end @@ -63,7 +74,7 @@ function check_affinity_for_pci_addresses (addrs) elseif policy.mode ~= S.c.MPOL_MODE['bind'] then print("Warning: NUMA memory policy already in effect, but it's not --membind.") else - local node = S.getcpu().node + local node = getcpu().node local node_for_pci = choose_numa_node_for_pci_addresses(addrs) if node_for_pci and node ~= node_for_pci then print("Warning: Bound NUMA node does not have affinity with PCI devices.") @@ -85,7 +96,7 @@ function bind_to_cpu (cpu) assert(not bound_cpu, "already bound") assert(S.sched_setaffinity(0, cpu)) - local cpu_and_node = S.getcpu() + local cpu_and_node = getcpu() assert(cpu_and_node.cpu == cpu) bound_cpu = cpu @@ -117,12 +128,12 @@ function selftest () bind_to_cpu(0) assert(bound_cpu == 0) assert(bound_numa_node == 0) - assert(S.getcpu().cpu == 0) - assert(S.getcpu().node == 0) + assert(getcpu().cpu == 0) + assert(getcpu().node == 0) bind_to_cpu(nil) assert(bound_cpu == nil) assert(bound_numa_node == 0) - assert(S.getcpu().node == 0) + assert(getcpu().node == 0) bind_to_numa_node(nil) assert(bound_cpu == nil) assert(bound_numa_node == nil) From e062328d216d0105a809b5f26a8497f1050b9144 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 25 May 2016 17:04:57 +0200 Subject: [PATCH 055/340] Use lib.numa in lwaftr run --- src/program/lwaftr/run/run.lua | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index 12ea3cd294..75e9674114 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -4,6 +4,7 @@ local S = require("syscall") local config = require("core.config") local csv_stats = require("program.lwaftr.csv_stats") local lib = require("core.lib") +local numa = require("lib.numa") local setup = require("program.lwaftr.setup") local function show_usage(exit_code) @@ -39,6 +40,7 @@ function parse_args(args) local ring_buffer_size local opts = { verbosity = 0 } local handlers = {} + local cpu function handlers.v () opts.verbosity = opts.verbosity + 1 end function handlers.i () opts.virtio_net = true end function handlers.D (arg) @@ -54,14 +56,10 @@ function parse_args(args) end end function handlers.cpu(arg) - local cpu = tonumber(arg) + cpu = tonumber(arg) if not cpu or cpu ~= math.floor(cpu) or cpu < 0 then fatal("Invalid cpu number: "..arg) end - local cpu_set = S.sched_getaffinity() - cpu_set:zero() - cpu_set:set(cpu) - S.sched_setaffinity(0, cpu_set) end handlers['real-time'] = function(arg) if not S.sched_setscheduler(0, "fifo", 1) then @@ -119,6 +117,8 @@ function parse_args(args) if not conf_file then fatal("Missing required --conf argument.") end if not v4 then fatal("Missing required --v4 argument.") end if not v6 then fatal("Missing required --v6 argument.") end + if cpu then numa.bind_to_cpu(cpu) end + numa.check_affinity_for_pci_addresses({ v4, v6 }) return opts, conf_file, v4, v6 end From d9390f3398fb51e88c6bb8e6a67b7d809479a6d4 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 2 Jun 2016 15:12:19 +0200 Subject: [PATCH 056/340] ljsyscall: Fix getcpu() Patch by Katerina Barone-Adesi , committed upstream via https://github.com/justincormack/ljsyscall/pull/195. --- lib/ljsyscall/syscall/linux/c.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/ljsyscall/syscall/linux/c.lua b/lib/ljsyscall/syscall/linux/c.lua index 356742c402..370a0ed370 100644 --- a/lib/ljsyscall/syscall/linux/c.lua +++ b/lib/ljsyscall/syscall/linux/c.lua @@ -691,7 +691,7 @@ C.gettimeofday = ffi.C.gettimeofday --function C.gettimeofday(tv, tz) return syscall(sys.gettimeofday, void(tv), void(tz)) end -- glibc does not provide getcpu; it is however VDSO -function C.getcpu(cpu, node, tcache) return syscall(sys.getcpu, void(node), void(node), void(tcache)) end +function C.getcpu(cpu, node, tcache) return syscall(sys.getcpu, void(cpu), void(node), void(tcache)) end -- time is VDSO but not really performance critical; does not exist for some architectures if sys.time then function C.time(t) return syscall(sys.time, void(t)) end From fabb961285cc3c982584115ab2d0f23a2cf34689 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 2 Jun 2016 15:28:23 +0200 Subject: [PATCH 057/340] ljsyscall: Add migrate_pages. * lib/ljsyscall/syscall/linux/c.lua: * lib/ljsyscall/syscall/linux/syscalls.lua: Add support for the migrate_pages Linux syscall. --- lib/ljsyscall/syscall/linux/c.lua | 4 ++++ lib/ljsyscall/syscall/linux/syscalls.lua | 7 +++++++ 2 files changed, 11 insertions(+) diff --git a/lib/ljsyscall/syscall/linux/c.lua b/lib/ljsyscall/syscall/linux/c.lua index 370a0ed370..8af630fedd 100644 --- a/lib/ljsyscall/syscall/linux/c.lua +++ b/lib/ljsyscall/syscall/linux/c.lua @@ -354,6 +354,10 @@ function C.set_mempolicy(mode, mask, maxnode) return syscall(sys.set_mempolicy, int(mode), void(mask), ulong(maxnode)) end +function C.migrate_pages(pid, maxnode, from, to) + return syscall(sys.migrate_pages, int(pid), ulong(maxnode), void(from), void(to)) +end + -- in librt for glibc but use syscalls instead of loading another library function C.clock_nanosleep(clk_id, flags, req, rem) return syscall(sys.clock_nanosleep, int(clk_id), int(flags), void(req), void(rem)) diff --git a/lib/ljsyscall/syscall/linux/syscalls.lua b/lib/ljsyscall/syscall/linux/syscalls.lua index d51f0a32a1..c3afaf9cf5 100644 --- a/lib/ljsyscall/syscall/linux/syscalls.lua +++ b/lib/ljsyscall/syscall/linux/syscalls.lua @@ -469,6 +469,13 @@ function S.set_mempolicy(mode, mask) return retbool(C.set_mempolicy(c.MPOL_MODE[mode], mask.mask, mask.size)) end +function S.migrate_pages(pid, from, to) + from = mktype(t.bitmask, from) + to = mktype(t.bitmask, to) + assert(from.size == to.size, "incompatible nodemask sizes") + return retbool(C.migrate_pages(pid or 0, from.size, from.mask, to.mask)) +end + function S.sched_get_priority_max(policy) return retnum(C.sched_get_priority_max(c.SCHED[policy])) end function S.sched_get_priority_min(policy) return retnum(C.sched_get_priority_min(c.SCHED[policy])) end From 50a920b89280eefe2308d49fdd52283e6ab6fea9 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 2 Jun 2016 15:29:18 +0200 Subject: [PATCH 058/340] numa: Use ljsyscall's fixed "getcpu()" implementation * src/lib/numa.lua: Rely on ljsyscall's getcpu(), now that it's fixed. --- src/lib/numa.lua | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) diff --git a/src/lib/numa.lua b/src/lib/numa.lua index f9484cabbc..c7ff0cc64b 100644 --- a/src/lib/numa.lua +++ b/src/lib/numa.lua @@ -20,16 +20,6 @@ function cpu_get_numa_node (cpu) end end --- Sadly, ljsyscall's `getcpu' call doesn't appear to work for some --- reason: https://github.com/justincormack/ljsyscall/issues/194. Until --- then, here's a shim. -ffi.cdef("int sched_getcpu(void);") -function getcpu() - local ret = { cpu = ffi.C.sched_getcpu() } - ret.node = cpu_get_numa_node(ret.cpu) - return ret -end - function has_numa () local node1 = S.open('/sys/devices/system/node/node1', 'rdonly, directory') if not node1 then return false end @@ -74,7 +64,7 @@ function check_affinity_for_pci_addresses (addrs) elseif policy.mode ~= S.c.MPOL_MODE['bind'] then print("Warning: NUMA memory policy already in effect, but it's not --membind.") else - local node = getcpu().node + local node = S.getcpu().node local node_for_pci = choose_numa_node_for_pci_addresses(addrs) if node_for_pci and node ~= node_for_pci then print("Warning: Bound NUMA node does not have affinity with PCI devices.") @@ -96,7 +86,7 @@ function bind_to_cpu (cpu) assert(not bound_cpu, "already bound") assert(S.sched_setaffinity(0, cpu)) - local cpu_and_node = getcpu() + local cpu_and_node = S.getcpu() assert(cpu_and_node.cpu == cpu) bound_cpu = cpu @@ -128,12 +118,12 @@ function selftest () bind_to_cpu(0) assert(bound_cpu == 0) assert(bound_numa_node == 0) - assert(getcpu().cpu == 0) - assert(getcpu().node == 0) + assert(S.getcpu().cpu == 0) + assert(S.getcpu().node == 0) bind_to_cpu(nil) assert(bound_cpu == nil) assert(bound_numa_node == 0) - assert(getcpu().node == 0) + assert(S.getcpu().node == 0) bind_to_numa_node(nil) assert(bound_cpu == nil) assert(bound_numa_node == nil) From d802b76c7c2f1869bd4c991df7e0c48d65b7c224 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 2 Jun 2016 15:29:52 +0200 Subject: [PATCH 059/340] numa: Migrate existing pages when binding to NUMA node. * src/lib/numa.lua: --- src/lib/numa.lua | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/lib/numa.lua b/src/lib/numa.lua index c7ff0cc64b..51442f6377 100644 --- a/src/lib/numa.lua +++ b/src/lib/numa.lua @@ -104,6 +104,11 @@ function bind_to_numa_node (node) assert(not bound_numa_node, "already bound") assert(S.set_mempolicy('bind', node)) + + -- Migrate any pages that might have the wrong affinity. + local from_mask = assert(S.get_mempolicy(nil, nil, nil, 'mems_allowed')).mask + assert(S.migrate_pages(0, from_mask, node)) + bound_numa_node = node end From 976b5dfe3cb858e1b20a69cc0a752e2082957753 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 2 Jun 2016 15:37:34 +0200 Subject: [PATCH 060/340] lwaftr loadtest uses lib.numa * src/program/lwaftr/loadtest/loadtest.lua: Add --cpu and NUMA diagnostics. --- src/program/lwaftr/loadtest/README | 2 ++ src/program/lwaftr/loadtest/loadtest.lua | 14 +++++++++++++- 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/src/program/lwaftr/loadtest/README b/src/program/lwaftr/loadtest/README index ef5ffe8266..968a1ad6f9 100644 --- a/src/program/lwaftr/loadtest/README +++ b/src/program/lwaftr/loadtest/README @@ -8,6 +8,8 @@ Usage: loadtest [OPTIONS] [ 0, 'bitrate must be positive') assert(opts.step > 0, 'step must be positive') assert(opts.duration > 0, 'duration must be positive') if #args == 0 or #args % 4 ~= 0 then show_usage(1) end local streams = {} + local pci_addrs = {} for i=1,#args,4 do local capture_file, tx, rx, pattern = args[i], args[i+1], args[i+2], args[i+3] local nic = { @@ -112,7 +121,10 @@ function parse_args(args) pci_addr = find_device(pattern) } table.insert(streams, nic) + table.insert(pci_addrs, nic.pci_addr) end + if cpu then numa.bind_to_cpu(cpu) end + numa.check_affinity_for_pci_addresses(pci_addrs) return opts, streams end From 0f2fa1992c5eedd40563f02d67bf6cc490cd9c25 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Fri, 3 Jun 2016 12:02:52 +0200 Subject: [PATCH 061/340] More performance documentation updates --- src/program/lwaftr/doc/README.benchmarking.md | 79 ++------ src/program/lwaftr/doc/README.performance.md | 173 +++++++++++++++--- 2 files changed, 170 insertions(+), 82 deletions(-) diff --git a/src/program/lwaftr/doc/README.benchmarking.md b/src/program/lwaftr/doc/README.benchmarking.md index 7fc96d3af6..10df9ae906 100644 --- a/src/program/lwaftr/doc/README.benchmarking.md +++ b/src/program/lwaftr/doc/README.benchmarking.md @@ -13,7 +13,7 @@ See [README.running.md](README.running.md). In one server, start the lwAFTR: ``` -$ sudo taskset -c 1 ./src/snabb lwaftr run -v \ +$ sudo ./src/snabb lwaftr run --cpu 1 -v \ --conf program/lwaftr/tests/data/icmp_on_fail.conf \ --v4 0000:02:00.0 --v6 0000:02:00.1 ``` @@ -24,7 +24,7 @@ NIC. In the other server, run the `loadtest` command: ``` -$ sudo taskset -c 1 ./snabb lwaftr loadtest -D 1 -b 10e9 -s 0.2e9 \ +$ sudo ./snabb lwaftr loadtest --cpu 1 -D 1 -b 10e9 -s 0.2e9 \ program/lwaftr/tests/benchdata/ipv4-0550.pcap "NIC 0" "NIC 1" 02:00.0 \ program/lwaftr/tests/benchdata/ipv6-0550.pcap "NIC 1" "NIC 0" 02:00.1 ``` @@ -49,49 +49,26 @@ to the console. The load generator stops when the test is done. ![Decapsulation Gbps](benchmarks-v1.0/lwaftr-decapsulation-gbps.png) -## Version 2.0 +## Version 2.x Charts are not available at this moment. -Version 2.0 fixes packet loss for small binding tables, however there are -still packet loss reported for big binding tables. +The 2.x release series (up to version 2.7 at this writing) fixes packet +loss for binding tables on the order of a million entries. For example, +on a binding table with one million entries: -The excerpts below show maximum peformance peak before packets start to lose -for a small binding table and large binding table. As it was mentioned, small -binding tables reach linerate speed without reporting packet loss. - -Small binding table: - -``` -Applying 10.000000 Gbps of load. - NIC 0: - TX 2178555 packets (2.178555 MPPS), 1198205250 bytes (9.585642 Gbps) - RX 2037552 packets (2.037552 MPPS), 1202155680 bytes (9.617245 Gbps) - Loss: 141003 packets (6.472318%) - NIC 1: - TX 2178567 packets (2.178567 MPPS), 1198211850 bytes (9.585695 Gbps) - RX 2178567 packets (2.178567 MPPS), 1111069170 bytes (8.888553 Gbps) - Loss: 0 packets (0.000000%) ``` - -Large binding table: - -``` -Applying 10.000000 Gbps of load. -NIC 0: - TX 2178323 packets (2.178323 MPPS), 1198077650 bytes (9.584621 Gbps) - RX 1696703 packets (1.696703 MPPS), 1001054770 bytes (8.008438 Gbps) -Loss: 481620 packets (22.109669%) - NIC 1: - TX 2178299 packets (2.178299 MPPS), 1198064450 bytes (9.584516 Gbps) - RX 1696739 packets (1.696739 MPPS), 865336890 bytes (6.922695 Gbps) -Loss: 481560 packets (22.107158%) +Applying 9.800000 Gbps of load. + IPv4: + TX 2134131 packets (2.134131 MPPS), 1173772050 bytes (9.799930 Gbps) + RX 2037944 packets (2.037944 MPPS), 1202386960 bytes (10.010381 Gbps) + Loss: 12 ingress drop + 96175 packets lost (4.507080%) + IPv6: + TX 2134131 packets (2.134131 MPPS), 1173772050 bytes (9.799930 Gbps) + RX 2134131 packets (2.134131 MPPS), 1088406810 bytes (9.117008 Gbps) + Loss: 0 ingress drop + 0 packets lost (0.000000%) ``` -See the [Large binding table loadtest](benchmarks-v2.0/loadtest.txt) and the -[Small binding table loadtest](benchmarks-v2.0/loadtest-small.txt) reports for -more information. - ## Approximate benchmarking, without physical NICs To get an idea of the raw speed of the lwaftr without interaction with NICs, @@ -119,25 +96,9 @@ Time (s),Decapsulation MPPS,Decapsulation Gbps,Encapsulation MPPS,Encapsulation 8.999636,2.811551,11.471128,2.811551,13.270521 9.999650,2.812866,11.476491,2.812866,13.276725 ``` -### Large binding table - -A binding table of 10^6 entries testing 20K softwires. - -```bash -$ sudo ./snabb lwaftr bench lwaftr.conf from-inet-0550.pcap from-b4-0550.pcap -loading compiled binding table from ./binding_table.o -compiled binding table ./binding_table.o is up to date. -Time (s),Decapsulation MPPS,Decapsulation Gbps,Encapsulation MPPS,Encapsulation Gbps -0.985063,0.019933,0.081326,0.019933,0.094083 -1.999062,1.237028,5.047072,1.237028,5.838770 -2.998942,1.300146,5.304596,1.300146,6.136689 -3.999119,1.299760,5.303020,1.299760,6.134866 -4.999052,1.300077,5.304314,1.300077,6.136364 -5.999126,1.303208,5.317090,1.303208,6.151144 -6.999103,1.303081,5.316569,1.303081,6.150540 -7.999060,1.303106,5.316672,1.303106,6.150660 -8.999098,1.301215,5.308958,1.301215,6.141735 -9.999096,1.299993,5.303972,1.299993,6.135967 -``` -The processing is not limited to 10 Gbps, as no NIC hardware is involved. +Note however that this approach is limited as it does not model the +memory behavior of a real lwAFTR that is connected to hardware. For +serious performance testing, we recommend using `loadtest` on one +machine, and running the lwAFTR on another machine that is directly +cabled to the load-testing machine. diff --git a/src/program/lwaftr/doc/README.performance.md b/src/program/lwaftr/doc/README.performance.md index e87041b5e5..932165d586 100644 --- a/src/program/lwaftr/doc/README.performance.md +++ b/src/program/lwaftr/doc/README.performance.md @@ -2,7 +2,8 @@ ## Adjust CPU frequency governor -Set the CPU frequency governor to _'performance'_: +To avoid power-saving heuristics causing decreased throughput and higher +latency, set the CPU frequency governor to `performance`: ```bash for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do @@ -21,14 +22,32 @@ return to peak performance, and this latency can cause packet loss. Fragment reassembly in particular is a costly operation. Make sure that MTUs are set such that fragmentation is rare. +## CPU affinity + +The `snabb lwaftr run` and `snabb lwaftr loadtest` commands take a +`--cpu` argument, which will arrange for the Snabb process to run on a +particular CPU. It will also arrange to make sure that all memory used +by that Snabb process is on the same NUMA node as that CPU, and it will +check that any PCI device used by that Snabb process has affinity to +that NUMA node, and issue a warning if anything is amiss. + +Binding Snabb to a CPU and NUMA node can also be done using the `numactl +--membind` and `taskset -c` commands, but we recommend the `--cpu` +argument as it is easiest. + ## NUMA -Each NIC is associated with a NUMA node. For systems with multiple NUMA -nodes, usually if you have more than one socket, you will need to ensure -that the processes that access NICs do so from the right NUMA node. +In a machine with multiple sockets, you usually have Non-Uniform Memory +Access, or NUMA. On such a system, a PCI device or a range of memory +might be "closer" to one node than another. The `--cpu` argument to +`snabb lwaftr run`, described above, will issue a warning if you use a +PCI device that is not local to the NUMA node that corresponds to the +chosen CPU. -For example if you are going to be working with NICs `0000:01:00.0`, -`0000:01:00.1`, `0000:02:00.0`, and `0000:02:00.1`, check: +To determine what PCI devices are local to what NUMA nodes, you need to +grovel around in `/sys`. For example if you are going to be working +with NICs `0000:01:00.0`, `0000:01:00.1`, `0000:02:00.0`, and +`0000:02:00.1`, check: ```bash $ for device in 0000:0{1,2}:00.{0,1}; do \ @@ -44,7 +63,7 @@ $ for device in 0000:0{1,2}:00.{0,1}; do \ 0 ``` -So all of these are on NUMA node 0. Then check your CPUs: +So all of these are on NUMA node 0. Then you can check your CPUs: ``` $ numactl -H | grep cpus @@ -52,22 +71,23 @@ node 0 cpus: 0 1 2 3 4 5 node 1 cpus: 6 7 8 9 10 11 ``` -So for these we should run our binaries under `taskset -c CPU` to bind -them to CPUs in the NUMA node 0. You also need to run Snabb within -`numactl --membind` to make sure only to use memory that is close to -that NUMA node. +So for these we should run our binaries under `--cpu CPU` to bind them +to CPUs in the NUMA node 0, and to arrange to use only memory that is +local to that CPU. ## Isolate CPUs -Force the Linux kernel to use a limited amount of CPUs to schedule its -processes, leaving all the other CPUs for running Snabb. +When running a Snabb dataplane, we don't want interference from the +Linux kernel. In normal operation, a Snabb dataplane won't even make +any system calls at all. You can prevent the Linux kernel from +pre-empting your Snabb application to schedule other processes on its +CPU by reserving CPUs via the `isolcpus` kernel boot setting. To isolate CPUs, boot your Linux kernel with the `isolcpus` parameter. Under NixOS, edit `/etc/nixos/configuration.nix` to add this parameter: ``` -boot.kernelParams = [ "default_hugepagesz=2048K" "hugepagesz=2048K" - "hugepages=10000" "isolcpus=1-5,7-11" ]; +boot.kernelParams = [ "isolcpus=1-5,7-11" ]; ``` The line above prevents the kernel to schedule processes in CPUs ranging @@ -79,16 +99,123 @@ dataplane from interrupt handling as well. After adding the `isolcpus` flag run `nixos-rebuild switch` and then reboot your workstation to enable the changes. -Note that if you are not running NixOS, you probably have `irqbalanced` -running, and so you might need to stop that to prevent interrupts being -delivered to your Snabb process. - ## Ingress and egress filtering Simply enabling ingress and/or egress filtering has a cost. Enabling -all filtes adds 4 apps to the Snabb graph, and there is a cost for every -additional Snabb app. In our tests, while a normal run can do 10 Gbps -over two interfaces in full duplex, enabling filters drops that to 8.2 -Gbps before dropping packets. However we have not found that the +all filters adds 4 apps to the Snabb graph, and there is a cost for +every additional Snabb app. In our tests, while a normal run can do 10 +Gbps over two interfaces in full duplex, enabling filters drops that to +8.2 Gbps before dropping packets. However we have not found that the performance depends much on the size of the filter, as the filter's branches are well-biased. + +## Interrupts + +Normally Linux will handle hardware interrupts on the first core on a +socket. In our case above, that would be cores 0 and 6. That works +well with our `isolcpus` setting as well: interrupts like timers and so +on will only get delivered to the cores which Linux is managing already, +and won't interrupt the dataplanes. + +However, some distributions (notably Ubuntu) enable `irqbalanced`, a +daemon whose job it is to configure the system to deliver interrupts to +all cores. This can increase interrupt-handling throughput, but that's +not what we want in a Snabb scenario: we want low latency for the +dataplane, and handling interrupts on dataplane CPUs is undesirable. +When deploying on Ubuntu, be sure to disable irqbalanced. + +## Hyperthreads + +Hyperthreads are a way of maximizing resource utilization on a CPU core, +driven by the observation that a CPU is often waiting on memory or some +external event, and might as well be doing something else while it's +waiting. In such a situation, it can be advantageous to run a second +thread on that CPU. However for Snabb that's exactly what we don't +want. We do not want another thread competing for compute and cache +resources on our CPU and increasing our latency. For best results and +lowest latency, disable hyperthreading via the BIOS settings. + +## Huge pages + +By default on a Xeon machine, the virtual memory system manages its +allocations in 4096-byte "pages". It has a "page table" which maps +virtual page addresses to physical memory addresses. Frequently-used +parts of a page table are cached in the "translation lookaside buffer" +(TLB) for fast access. A virtual memory mapping that describes 500 MB +of virtual memory would normally require 120000 entries for 4096-byte +pages. However, a TLB only has a limited amount of space and can't hold +all those entries. If it is missing an entry, that causes a "TLB miss", +causing an additional trip out to memory to fetch the page table entry, +slowing down memory access. + +To mitigate this problem, it's possible for a Xeon machine to have some +"huge pages", which can be either 2 megabytes or 1 gigabyte in size. +The same 500MB address space would then require only 250 entries for 2MB +hugepages, or just 1 for 1GB hugepages. That's a big win! Also, +memory within a huge page is physically contiguous, which is required to +interact with some hardware devices, notably the Intel 82599 NICs. + +However because hugepages are bigger and need to be physically +contiguous, it may be necessary to pre-allocate them at boot-time. To +do that, add the `default_hugepagesz`, `hugepagesz`, and `hugepages` +parameters to your kernel boot. In NixOS, we use the following, adding +on to the `isolcpus` setting mentioned above: + +``` +boot.kernelParams = [ "default_hugepagesz=2048K" "hugepagesz=2048K" + "hugepages=10000" "isolcpus=1-5,7-11" ]; +``` + +## Ring buffer sizes + +The way that Snabb interfaces with a NIC is that it will configure the +NIC to receive incoming packets into a /ring buffer/. This ring buffer +is allocated by Snabb (incidentally, to a huge page; see above) and will +be filled by the NIC. It has to be a power of 2 in size: so it can hold +space for 64 packets, 128 packets, 256 packets, and so on. The default +size is 512 packets and the maximum is 65536. The NIC will fill this +buffer with packets as it receives them: first to slot 0, then to slot +1, all the way up to slot 511 (for a ring buffer of the default size), +then back to slot 0, then slot 1, and so on. Snabb will periodically +take some packets out of this read buffer (currently 128 at a time), +process them, then come back and take some more: wash, rinse, repeat. + +The ring buffer size is configurable via the `--ring-buffer-size` +argument to `snabb lwaftr run`. What is the right size? Well, there +are a few trade-offs. If the buffer is too big, it will take up a lot +of memory and start to have too much of a cache footprint. The ring +buffer is mapped into Snabb's memory as well, and the NIC arranges for +the ring buffer elements that it writes to be directly placed in L3 +cache. This means that receiving packets can evict other entries in L3 +cache. If your ring buffer is too big, it can evict other data resident +in cache that you might want. + +Another down-side of having a big buffer is latency. The bigger your +buffer, the more the bloat. Usually, Snabb applications always run +faster than the incoming packets, so the buffer size isn't an issue when +everything is going well; but in a traffic spike where packets come in +faster than Snabb can process them, the buffer can remain full the whole +time, which just adds latency for the packets that Snabb does manage to +process. + +However, too small a buffer exposes the user to a higher risk of packet +loss due to jitter in the Snabb breath time. A "breath" is one cycle of +processing a batch of packets, and as we mentioned it is currently up to +128 packets at a time. This processing doesn't always take the same +amount of time: the contents of the packets can obviously be different, +causing different control flow and different data flow. Even well-tuned +applications can exhibit jitter in their breath times due to differences +between what data is in cache (and which cache) and what data has to be +fetched from memory. Infrequent events like reloading the binding table +or dumping configuration can also cause one breath to take longer than +another. Poorly-tuned applications might have other sources of latency +such as garbage collection, though this is not usually the case in the +lwAFTR. + +So, a bigger ring buffer insulates packet processing from breath jitter. +You want your ring buffer to be big enough to not drop packets due to +jitter during normal operation, but not bigger than that. In our +testing we usually use the default ring buffer size. In your operations +you might want to increase this up to 2048 entries. We have not found +that bigger ring buffer sizes are beneficial, but it depends very much +on the environment. From 7cdd3a50d9a2156a510b456e6a00dfc25079174c Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Fri, 3 Jun 2016 12:57:30 +0200 Subject: [PATCH 062/340] Added documentation of filter performance --- .../lwaftr/doc/README.filters-performance.md | 733 ++++++++++++++++++ 1 file changed, 733 insertions(+) create mode 100644 src/program/lwaftr/doc/README.filters-performance.md diff --git a/src/program/lwaftr/doc/README.filters-performance.md b/src/program/lwaftr/doc/README.filters-performance.md new file mode 100644 index 0000000000..3559cc4f52 --- /dev/null +++ b/src/program/lwaftr/doc/README.filters-performance.md @@ -0,0 +1,733 @@ +# LwAFTR ingress/egress filters and performance + +## Summarized results + +Having filters, even if they are empty, has a significant negative impact on performance. + +Here are the results for three runs with empty filters: + +* No packet loss below 7 Gbps +* Packet loss at 8 Gbps on cooldown on two of the three runs (4.3% and 3.9%). +* Packet loss at 9 Gbps on all three runs (warmup: 0.13%, 14.6%, 14.2%; cooldowns marginally worse) +* Heavy packet loss at 10 Gbps: (10.4-10.6%, 23.2-23.6%, 22.9-23.2%) + +Results appear to be approximately the same with one filter. Scaling it up to 800 filters, results are a bit worse; packet loss starts at 7 Gbps, and peak packet loss at 10 Gbps is around 34%. + +The load that was applied was 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 Gbps, on each of two interfaces at the same time; the total traffic going into the lwaftr was twice as high, due to their being two (equally loaded) interfaces. The latter half of the load, after it peaks at 10 Gbps per card, is referred to as "cooldown". + +## Future improvements + +The nature of packet loss with empty filters suggests that the overhead of adding four extra apps to the Snabb app network (one per filter option in the config file) is the critical problem. We could integrate the filters into the lwaftr app itself to side-step this. Alternatively, on an "on-a-stick" configuration that only uses one rather than two cards, the overhead might be small enough to still not matter, even with 800 filters; there was no packet loss (except on cooldown) even with 800 filters at 5 Gbps or 6 Gbps per interface with two interfaces. + +# Details of the results and configuration + +Setup: bidirectional lwaftr on snabb1, load generation on snabb2. Using Snabb revision 79504183e1acb5673f7eda9d788885ff8c076f39 (lwaftr_starfruit branch, Igalia fork) + +## Running the lwaftr (with taskset and numactl) + +``` +$ cat ~/bin/run-lwaftr + +#!/bin/sh +BASEDIR=/home/kbarone/snabbswitch/src/ +CONF="`realpath $1`" +cd ${BASEDIR} && sudo numactl -m 0 taskset -c 1 ./snabb lwaftr run --conf ${CONF} --v4-pci 0000:02:00.0 --v6-pci 0000:02:00.1 +``` + +## Load generation + +``` +$ cat run-loadtest + +#!/bin/sh +BASEDIR=/home/kbarone/snabbswitch/src +PCAP4=${BASEDIR}/program/lwaftr/tests/benchdata/ipv4-0550.pcap +PCAP6=${BASEDIR}/program/lwaftr/tests/benchdata/ipv6-0550.pcap +cd ${BASEDIR} && sudo numactl -m 0 taskset -c 1 ./snabb lwaftr loadtest \ + ${PCAP4} v4 v4 0000:02:00.0 \ + ${PCAP6} v6 v6 0000:02:00.1 +``` + +## Binding table + +```$ cat binding-table.txt``` + +``` +psid_map { + 178.79.150.1 {psid_length=0} + 178.79.150.2 {psid_length=16} + 178.79.150.3 {psid_length=6} + 178.79.150.15 {psid_length=4, shift=12} + 178.79.150.233 {psid_length=16} +} +br_addresses { + 8:9:a:b:c:d:e:f, + 1E:1:1:1:1:1:1:af, + 1E:2:2:2:2:2:2:af +} +softwires { + { ipv4=178.79.150.1, b4=127:10:20:30:40:50:60:128 } + { ipv4=178.79.150.2, psid=7850, b4=127:24:35:46:57:68:79:128, aftr=1 } + { ipv4=178.79.150.3, psid=4, b4=127:14:25:36:47:58:69:128, aftr=2 } + { ipv4=178.79.150.15, psid=0, b4=127:22:33:44:55:66:77:128 } + { ipv4=178.79.150.15, psid=1, b4=127:22:33:44:55:66:77:128 } + { ipv4=178.79.150.233, psid=80, b4=127:2:3:4:5:6:7:128, aftr=0 } + { ipv4=178.79.150.233, psid=2300, b4=127:11:12:13:14:15:16:128 } + { ipv4=178.79.150.233, psid=2700, b4=127:11:12:13:14:15:16:128 } + { ipv4=178.79.150.233, psid=4660, b4=127:11:12:13:14:15:16:128 } + { ipv4=178.79.150.233, psid=7850, b4=127:11:12:13:14:15:16:128 } + { ipv4=178.79.150.233, psid=22788, b4=127:11:12:13:14:15:16:128 } + { ipv4=178.79.150.233, psid=54192, b4=127:11:12:13:14:15:16:128 } +} +``` + +# Results + +## Baseline (no filters), _run-lwaftr no_filters.conf_ + +There is only loss at 10 Gbps, and it is only what is logically expected when packets from a saturated link are made larger; with 550 byte packets, it is 6.5%. + +This was run three times to verify consistency. All the results were essentially the same; a snippet of the first is below. + +``` +Applying 9.000000 Gbps of load. + v4: + TX 9799649 packets (1.959930 MPPS), 5389806950 bytes (8.999998 Gbps) + RX 9799649 packets (1.959930 MPPS), 4997820990 bytes (8.372820 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 9799649 packets (1.959930 MPPS), 5389806950 bytes (8.999998 Gbps) + RX 9799649 packets (1.959930 MPPS), 5781792910 bytes (9.627175 Gbps) + Loss: 0 packets (0.000000%) +Applying 10.000000 Gbps of load. + v4: + TX 10888498 packets (2.177700 MPPS), 5988673900 bytes (9.999997 Gbps) + RX 10888376 packets (2.177675 MPPS), 5553071760 bytes (9.303028 Gbps) + Loss: 122 packets (0.001120%) + v6: + TX 10888498 packets (2.177700 MPPS), 5988673900 bytes (9.999997 Gbps) + RX 10180061 packets (2.036012 MPPS), 6006235990 bytes (10.000892 Gbps) + Loss: 708437 packets (6.506288%) +Applying 10.000000 Gbps of load. + v4: + TX 10888496 packets (2.177699 MPPS), 5988672800 bytes (9.999995 Gbps) + RX 10888496 packets (2.177699 MPPS), 5553132960 bytes (9.303131 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 10888496 packets (2.177699 MPPS), 5988672800 bytes (9.999995 Gbps) + RX 10180060 packets (2.036012 MPPS), 6006235400 bytes (10.000891 Gbps) + Loss: 708436 packets (6.506280%) +Applying 9.000000 Gbps of load. + v4: + TX 9799647 packets (1.959929 MPPS), 5389805850 bytes (8.999996 Gbps) + RX 9799647 packets (1.959929 MPPS), 4997819970 bytes (8.372818 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 9799647 packets (1.959929 MPPS), 5389805850 bytes (8.999996 Gbps) + RX 9799647 packets (1.959929 MPPS), 5781791730 bytes (9.627173 Gbps) + Loss: 0 packets (0.000000%) +``` + +## Empty filters, _run-lwaftr empty_filters.conf_ + +As above, but with the following added to the configuration file: + +``` +ipv4_ingress_filter = "", +ipv4_egress_filter = "", +ipv6_ingress_filter = "", +ipv6_egress_filter = "" , +``` + +### Results with empty filters + +* No packet loss below 7 Gbps +* Packet loss at 8 Gbps on cooldown on two of the three runs (4.3% and 3.9%). +* Packet loss at 9 Gbps on all three runs (warmup: 0.13%, 14.6%, 14.2%; cooldowns marginally worse) +* Heavy packet loss at 10 Gbps: (10.4-10.6%, 23.2-23.6%, 22.9-23.2%) + +Results tentatively appear similar whether the empty filters are specified directly or in a file. + +### Empty filters, Run 1 + +``` +Applying 8.000000 Gbps of load. + v4: + TX 8710795 packets (1.742159 MPPS), 4790937250 bytes (7.999994 Gbps) + RX 8710795 packets (1.742159 MPPS), 4442505450 bytes (7.442503 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 8710795 packets (1.742159 MPPS), 4790937250 bytes (7.999994 Gbps) + RX 8710795 packets (1.742159 MPPS), 5139369050 bytes (8.557485 Gbps) + Loss: 0 packets (0.000000%) +Applying 9.000000 Gbps of load. + v4: + TX 9799639 packets (1.959928 MPPS), 5389801450 bytes (8.999988 Gbps) + RX 9786866 packets (1.957373 MPPS), 4991301660 bytes (8.361898 Gbps) + Loss: 12773 packets (0.130342%) + v6: + TX 9799639 packets (1.959928 MPPS), 5389801450 bytes (8.999988 Gbps) + RX 9786864 packets (1.957373 MPPS), 5774249760 bytes (9.614615 Gbps) + Loss: 12775 packets (0.130362%) +Applying 10.000000 Gbps of load. + v4: + TX 10888492 packets (2.177698 MPPS), 5988670600 bytes (9.999991 Gbps) + RX 9736284 packets (1.947257 MPPS), 4965504840 bytes (8.318681 Gbps) + Loss: 1152208 packets (10.581888%) + v6: + TX 10888492 packets (2.177698 MPPS), 5988670600 bytes (9.999991 Gbps) + RX 9736283 packets (1.947257 MPPS), 5744406970 bytes (9.564924 Gbps) + Loss: 1152209 packets (10.581897%) +Applying 10.000000 Gbps of load. + v4: + TX 10888488 packets (2.177698 MPPS), 5988668400 bytes (9.999987 Gbps) + RX 9757146 packets (1.951429 MPPS), 4976144460 bytes (8.336506 Gbps) + Loss: 1131342 packets (10.390258%) + v6: + TX 10888488 packets (2.177698 MPPS), 5988668400 bytes (9.999987 Gbps) + RX 9757156 packets (1.951431 MPPS), 5756722040 bytes (9.585430 Gbps) + Loss: 1131332 packets (10.390166%) +Applying 9.000000 Gbps of load. + v4: + TX 9799651 packets (1.959930 MPPS), 5389808050 bytes (8.999999 Gbps) + RX 9739134 packets (1.947827 MPPS), 4966958340 bytes (8.321116 Gbps) + Loss: 60517 packets (0.617542%) + v6: + TX 9799651 packets (1.959930 MPPS), 5389808050 bytes (8.999999 Gbps) + RX 9739134 packets (1.947827 MPPS), 5746089060 bytes (9.567725 Gbps) + Loss: 60517 packets (0.617542%) +Applying 8.000000 Gbps of load. + v4: + TX 8710791 packets (1.742158 MPPS), 4790935050 bytes (7.999990 Gbps) + RX 8710791 packets (1.742158 MPPS), 4442503410 bytes (7.442500 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 8710791 packets (1.742158 MPPS), 4790935050 bytes (7.999990 Gbps) + RX 8710791 packets (1.742158 MPPS), 5139366690 bytes (8.557481 Gbps) + Loss: 0 packets (0.000000%) +``` + +### Empty filters, Run 2 + +``` +Applying 8.000000 Gbps of load. + v4: + TX 8710801 packets (1.742160 MPPS), 4790940550 bytes (8.000000 Gbps) + RX 8710801 packets (1.742160 MPPS), 4442508510 bytes (7.442508 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 8710801 packets (1.742160 MPPS), 4790940550 bytes (8.000000 Gbps) + RX 8710801 packets (1.742160 MPPS), 5139372590 bytes (8.557491 Gbps) + Loss: 0 packets (0.000000%) +Applying 9.000000 Gbps of load. + v4: + TX 9799644 packets (1.959929 MPPS), 5389804200 bytes (8.999993 Gbps) + RX 8372982 packets (1.674596 MPPS), 4270220820 bytes (7.153876 Gbps) + Loss: 1426662 packets (14.558304%) + v6: + TX 9799644 packets (1.959929 MPPS), 5389804200 bytes (8.999993 Gbps) + RX 8372985 packets (1.674597 MPPS), 4940061150 bytes (8.225620 Gbps) + Loss: 1426659 packets (14.558274%) +Applying 10.000000 Gbps of load. + v4: + TX 10888488 packets (2.177698 MPPS), 5988668400 bytes (9.999987 Gbps) + RX 8352095 packets (1.670419 MPPS), 4259568450 bytes (7.136030 Gbps) + Loss: 2536393 packets (23.294263%) + v6: + TX 10888488 packets (2.177698 MPPS), 5988668400 bytes (9.999987 Gbps) + RX 8352096 packets (1.670419 MPPS), 4927736640 bytes (8.205099 Gbps) + Loss: 2536392 packets (23.294254%) +Applying 10.000000 Gbps of load. + v4: + TX 10888496 packets (2.177699 MPPS), 5988672800 bytes (9.999995 Gbps) + RX 8316303 packets (1.663261 MPPS), 4241314530 bytes (7.105449 Gbps) + Loss: 2572193 packets (23.623033%) + v6: + TX 10888496 packets (2.177699 MPPS), 5988672800 bytes (9.999995 Gbps) + RX 8316371 packets (1.663274 MPPS), 4906658890 bytes (8.170003 Gbps) + Loss: 2572125 packets (23.622408%) +Applying 9.000000 Gbps of load. + v4: + TX 9799647 packets (1.959929 MPPS), 5389805850 bytes (8.999996 Gbps) + RX 8355548 packets (1.671110 MPPS), 4261329480 bytes (7.138980 Gbps) + Loss: 1444099 packets (14.736235%) + v6: + TX 9799647 packets (1.959929 MPPS), 5389805850 bytes (8.999996 Gbps) + RX 8355559 packets (1.671112 MPPS), 4929779810 bytes (8.208501 Gbps) + Loss: 1444088 packets (14.736123%) +Applying 8.000000 Gbps of load. + v4: + TX 8710796 packets (1.742159 MPPS), 4790937800 bytes (7.999995 Gbps) + RX 8334860 packets (1.666972 MPPS), 4250778600 bytes (7.121304 Gbps) + Loss: 375936 packets (4.315748%) + v6: + TX 8710796 packets (1.742159 MPPS), 4790937800 bytes (7.999995 Gbps) + RX 8334862 packets (1.666972 MPPS), 4917568580 bytes (8.188168 Gbps) + Loss: 375934 packets (4.315725%) +Applying 7.000000 Gbps of load. + v4: + TX 7621951 packets (1.524390 MPPS), 4192073050 bytes (7.000000 Gbps) + RX 7621951 packets (1.524390 MPPS), 3887195010 bytes (6.512195 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 7621951 packets (1.524390 MPPS), 4192073050 bytes (7.000000 Gbps) + RX 7621951 packets (1.524390 MPPS), 4496951090 bytes (7.487805 Gbps) + Loss: 0 packets (0.000000%) +``` + +### Empty filters, Run 3 + +``` +Applying 8.000000 Gbps of load. + v4: + TX 8710798 packets (1.742160 MPPS), 4790938900 bytes (7.999997 Gbps) + RX 8710798 packets (1.742160 MPPS), 4442506980 bytes (7.442506 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 8710798 packets (1.742160 MPPS), 4790938900 bytes (7.999997 Gbps) + RX 8710798 packets (1.742160 MPPS), 5139370820 bytes (8.557488 Gbps) + Loss: 0 packets (0.000000%) +Applying 9.000000 Gbps of load. + v4: + TX 9799648 packets (1.959930 MPPS), 5389806400 bytes (8.999997 Gbps) + RX 8409152 packets (1.681830 MPPS), 4288667520 bytes (7.184779 Gbps) + Loss: 1390496 packets (14.189244%) + v6: + TX 9799648 packets (1.959930 MPPS), 5389806400 bytes (8.999997 Gbps) + RX 8409155 packets (1.681831 MPPS), 4961401450 bytes (8.261154 Gbps) + Loss: 1390493 packets (14.189214%) +Applying 10.000000 Gbps of load. + v4: + TX 10888497 packets (2.177699 MPPS), 5988673350 bytes (9.999996 Gbps) + RX 8360883 packets (1.672177 MPPS), 4264050330 bytes (7.143538 Gbps) + Loss: 2527614 packets (23.213617%) + v6: + TX 10888497 packets (2.177699 MPPS), 5988673350 bytes (9.999996 Gbps) + RX 8360888 packets (1.672178 MPPS), 4932923920 bytes (8.213736 Gbps) + Loss: 2527609 packets (23.213571%) +Applying 10.000000 Gbps of load. + v4: + TX 10888499 packets (2.177700 MPPS), 5988674450 bytes (9.999997 Gbps) + RX 8396207 packets (1.679241 MPPS), 4282065570 bytes (7.173719 Gbps) + Loss: 2492292 packets (22.889215%) + v6: + TX 10888499 packets (2.177700 MPPS), 5988674450 bytes (9.999997 Gbps) + RX 8396208 packets (1.679242 MPPS), 4953762720 bytes (8.248435 Gbps) + Loss: 2492291 packets (22.889206%) +Applying 9.000000 Gbps of load. + v4: + TX 9799652 packets (1.959930 MPPS), 5389808600 bytes (9.000000 Gbps) + RX 8399378 packets (1.679876 MPPS), 4283682780 bytes (7.176429 Gbps) + Loss: 1400274 packets (14.289018%) + v6: + TX 9799652 packets (1.959930 MPPS), 5389808600 bytes (9.000000 Gbps) + RX 8399384 packets (1.679877 MPPS), 4955636560 bytes (8.251555 Gbps) + Loss: 1400268 packets (14.288956%) +Applying 8.000000 Gbps of load. + v4: + TX 8710800 packets (1.742160 MPPS), 4790940000 bytes (7.999999 Gbps) + RX 8369042 packets (1.673808 MPPS), 4268211420 bytes (7.150509 Gbps) + Loss: 341758 packets (3.923382%) + v6: + TX 8710800 packets (1.742160 MPPS), 4790940000 bytes (7.999999 Gbps) + RX 8369045 packets (1.673809 MPPS), 4937736550 bytes (8.221750 Gbps) + Loss: 341755 packets (3.923348%) +Applying 7.000000 Gbps of load. + v4: + TX 7621951 packets (1.524390 MPPS), 4192073050 bytes (7.000000 Gbps) + RX 7621951 packets (1.524390 MPPS), 3887195010 bytes (6.512195 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 7621951 packets (1.524390 MPPS), 4192073050 bytes (7.000000 Gbps) + RX 7621951 packets (1.524390 MPPS), 4496951090 bytes (7.487805 Gbps) + Loss: 0 packets (0.000000%) +``` + +### Running empty filters from a file, _run-lwaftr empty_filters_fromfile.conf_ + +``` +$ touch empty.pf + +Edit the config file to contain: + +ipv4_ingress_filter = > 00200v4.pf; echo "not ether host 1:2:3:4:5:${x}" >> 00200v4.pf; done +for x in {0..99}; do echo "not src host 1::${x}" >> 00200v6.pf; echo "not ether host 1:2:3:4:5:${x}" >> 00200v6.pf; done +``` + +The configuration file changes: +``` +ipv4_ingress_filter = <00200v4.pf, +ipv4_egress_filter = <00200v4.pf, +ipv6_ingress_filter = <00200v6.pf, +ipv6_egress_filter = <00200v6.pf, +``` + +Results: packet loss starts at 7 Gbps, peaking around 33-34% at 10 Gbps, and reaching 0 again at 4-6 Gbps during the cooldown, depending on the run. Note that this is made noisier by the jit.flush() overhead. + +### Run 1, 800 filters + +``` +Applying 7.000000 Gbps of load. + v4: + TX 7621952 packets (1.524390 MPPS), 4192073600 bytes (7.000001 Gbps) + RX 7616148 packets (1.523230 MPPS), 3884235480 bytes (6.507237 Gbps) + Loss: 5804 packets (0.076148%) + v6: + TX 7621952 packets (1.524390 MPPS), 4192073600 bytes (7.000001 Gbps) + RX 7616151 packets (1.523230 MPPS), 4493529090 bytes (7.482107 Gbps) + Loss: 5801 packets (0.076109%) +Applying 8.000000 Gbps of load. + v4: + TX 8710797 packets (1.742159 MPPS), 4790938350 bytes (7.999996 Gbps) + RX 7236179 packets (1.447236 MPPS), 3690451290 bytes (6.182591 Gbps) + Loss: 1474618 packets (16.928623%) + v6: + TX 8710797 packets (1.742159 MPPS), 4790938350 bytes (7.999996 Gbps) + RX 7236185 packets (1.447237 MPPS), 4269349150 bytes (7.108828 Gbps) + Loss: 1474612 packets (16.928554%) +Applying 9.000000 Gbps of load. + v4: + TX 9799654 packets (1.959931 MPPS), 5389809700 bytes (9.000002 Gbps) + RX 7189905 packets (1.437981 MPPS), 3666851550 bytes (6.143055 Gbps) + Loss: 2609749 packets (26.631032%) + v6: + TX 9799654 packets (1.959931 MPPS), 5389809700 bytes (9.000002 Gbps) + RX 7189907 packets (1.437981 MPPS), 4242045130 bytes (7.063365 Gbps) + Loss: 2609747 packets (26.631012%) +Applying 10.000000 Gbps of load. + v4: + TX 10888491 packets (2.177698 MPPS), 5988670050 bytes (9.999990 Gbps) + RX 7214206 packets (1.442841 MPPS), 3679245060 bytes (6.163818 Gbps) + Loss: 3674285 packets (33.744667%) + v6: + TX 10888491 packets (2.177698 MPPS), 5988670050 bytes (9.999990 Gbps) + RX 7214203 packets (1.442841 MPPS), 4256379770 bytes (7.087233 Gbps) + Loss: 3674288 packets (33.744694%) +Applying 10.000000 Gbps of load. + v4: + TX 10888492 packets (2.177698 MPPS), 5988670600 bytes (9.999991 Gbps) + RX 7301384 packets (1.460277 MPPS), 3723705840 bytes (6.238302 Gbps) + Loss: 3587108 packets (32.944029%) + v6: + TX 10888492 packets (2.177698 MPPS), 5988670600 bytes (9.999991 Gbps) + RX 7301383 packets (1.460277 MPPS), 4307815970 bytes (7.172879 Gbps) + Loss: 3587109 packets (32.944039%) +Applying 9.000000 Gbps of load. + v4: + TX 9799640 packets (1.959928 MPPS), 5389802000 bytes (8.999989 Gbps) + RX 7112846 packets (1.422569 MPPS), 3627551460 bytes (6.077216 Gbps) + Loss: 2686794 packets (27.417272%) + v6: + TX 9799640 packets (1.959928 MPPS), 5389802000 bytes (8.999989 Gbps) + RX 7112846 packets (1.422569 MPPS), 4196579140 bytes (6.987660 Gbps) + Loss: 2686794 packets (27.417272%) +Applying 8.000000 Gbps of load. + v4: + TX 8710788 packets (1.742158 MPPS), 4790933400 bytes (7.999988 Gbps) + RX 7183655 packets (1.436731 MPPS), 3663664050 bytes (6.137715 Gbps) + Loss: 1527133 packets (17.531514%) + v6: + TX 8710788 packets (1.742158 MPPS), 4790933400 bytes (7.999988 Gbps) + RX 7183660 packets (1.436732 MPPS), 4238359400 bytes (7.057228 Gbps) + Loss: 1527128 packets (17.531456%) +Applying 7.000000 Gbps of load. + v4: + TX 7621945 packets (1.524389 MPPS), 4192069750 bytes (6.999994 Gbps) + RX 7189769 packets (1.437954 MPPS), 3666782190 bytes (6.142939 Gbps) + Loss: 432176 packets (5.670154%) + v6: + TX 7621945 packets (1.524389 MPPS), 4192069750 bytes (6.999994 Gbps) + RX 7189822 packets (1.437964 MPPS), 4241994980 bytes (7.063281 Gbps) + Loss: 432123 packets (5.669458%) +Applying 6.000000 Gbps of load. + v4: + TX 6533097 packets (1.306619 MPPS), 3593203350 bytes (5.999996 Gbps) + RX 6531379 packets (1.306276 MPPS), 3331003290 bytes (5.580410 Gbps) + Loss: 1718 packets (0.026297%) + v6: + TX 6533097 packets (1.306619 MPPS), 3593203350 bytes (5.999996 Gbps) + RX 6531379 packets (1.306276 MPPS), 3853513610 bytes (6.416427 Gbps) + Loss: 1718 packets (0.026297%) +Applying 5.000000 Gbps of load. + v4: + TX 5444249 packets (1.088850 MPPS), 2994336950 bytes (4.999998 Gbps) + RX 5419919 packets (1.083984 MPPS), 2764158690 bytes (4.630779 Gbps) + Loss: 24330 packets (0.446894%) + v6: + TX 5444249 packets (1.088850 MPPS), 2994336950 bytes (4.999998 Gbps) + RX 5419916 packets (1.083983 MPPS), 3197750440 bytes (5.324525 Gbps) + Loss: 24333 packets (0.446949%) +Applying 4.000000 Gbps of load. + v4: + TX 4355399 packets (0.871080 MPPS), 2395469450 bytes (3.999998 Gbps) + RX 4355399 packets (0.871080 MPPS), 2221253490 bytes (3.721253 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 4355399 packets (0.871080 MPPS), 2395469450 bytes (3.999998 Gbps) + RX 4355399 packets (0.871080 MPPS), 2569685410 bytes (4.278744 Gbps) + Loss: 0 packets (0.000000%) +``` + +### Run 2, 800 filters + +``` +Applying 6.000000 Gbps of load. + v4: + TX 6533098 packets (1.306620 MPPS), 3593203900 bytes (5.999997 Gbps) + RX 6533098 packets (1.306620 MPPS), 3331879980 bytes (5.581879 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 6533098 packets (1.306620 MPPS), 3593203900 bytes (5.999997 Gbps) + RX 6533098 packets (1.306620 MPPS), 3854527820 bytes (6.418115 Gbps) + Loss: 0 packets (0.000000%) +Applying 7.000000 Gbps of load. + v4: + TX 7621952 packets (1.524390 MPPS), 4192073600 bytes (7.000001 Gbps) + RX 7103836 packets (1.420767 MPPS), 3622956360 bytes (6.069517 Gbps) + Loss: 518116 packets (6.797681%) + v6: + TX 7621952 packets (1.524390 MPPS), 4192073600 bytes (7.000001 Gbps) + RX 7103839 packets (1.420768 MPPS), 4191265010 bytes (6.978811 Gbps) + Loss: 518113 packets (6.797642%) +Applying 8.000000 Gbps of load. + v4: + TX 8710805 packets (1.742161 MPPS), 4790942750 bytes (8.000003 Gbps) + RX 7093638 packets (1.418728 MPPS), 3617755380 bytes (6.060804 Gbps) + Loss: 1617167 packets (18.565069%) + v6: + TX 8710805 packets (1.742161 MPPS), 4790942750 bytes (8.000003 Gbps) + RX 7093640 packets (1.418728 MPPS), 4185247600 bytes (6.968792 Gbps) + Loss: 1617165 packets (18.565047%) +Applying 9.000000 Gbps of load. + v4: + TX 9799647 packets (1.959929 MPPS), 5389805850 bytes (8.999996 Gbps) + RX 7264710 packets (1.452942 MPPS), 3705002100 bytes (6.206968 Gbps) + Loss: 2534937 packets (25.867636%) + v6: + TX 9799647 packets (1.959929 MPPS), 5389805850 bytes (8.999996 Gbps) + RX 7264778 packets (1.452956 MPPS), 4286219020 bytes (7.136918 Gbps) + Loss: 2534869 packets (25.866942%) +Applying 10.000000 Gbps of load. + v4: + TX 10888504 packets (2.177701 MPPS), 5988677200 bytes (10.000002 Gbps) + RX 7225050 packets (1.445010 MPPS), 3684775500 bytes (6.173083 Gbps) + Loss: 3663454 packets (33.645155%) + v6: + TX 10888504 packets (2.177701 MPPS), 5988677200 bytes (10.000002 Gbps) + RX 7225062 packets (1.445012 MPPS), 4262786580 bytes (7.097901 Gbps) + Loss: 3663442 packets (33.645044%) +Applying 10.000000 Gbps of load. + v4: + TX 10888489 packets (2.177698 MPPS), 5988668950 bytes (9.999988 Gbps) + RX 7191204 packets (1.438241 MPPS), 3667514040 bytes (6.144165 Gbps) + Loss: 3697285 packets (33.955905%) + v6: + TX 10888489 packets (2.177698 MPPS), 5988668950 bytes (9.999988 Gbps) + RX 7191199 packets (1.438240 MPPS), 4242807410 bytes (7.064634 Gbps) + Loss: 3697290 packets (33.955951%) +Applying 9.000000 Gbps of load. + v4: + TX 9799643 packets (1.959929 MPPS), 5389803650 bytes (8.999992 Gbps) + RX 7226986 packets (1.445397 MPPS), 3685762860 bytes (6.174737 Gbps) + Loss: 2572657 packets (26.252558%) + v6: + TX 9799643 packets (1.959929 MPPS), 5389803650 bytes (8.999992 Gbps) + RX 7226990 packets (1.445398 MPPS), 4263924100 bytes (7.099795 Gbps) + Loss: 2572653 packets (26.252518%) +Applying 8.000000 Gbps of load. + v4: + TX 8710795 packets (1.742159 MPPS), 4790937250 bytes (7.999994 Gbps) + RX 7257542 packets (1.451508 MPPS), 3701346420 bytes (6.200844 Gbps) + Loss: 1453253 packets (16.683357%) + v6: + TX 8710795 packets (1.742159 MPPS), 4790937250 bytes (7.999994 Gbps) + RX 7257542 packets (1.451508 MPPS), 4281949780 bytes (7.129809 Gbps) + Loss: 1453253 packets (16.683357%) +Applying 7.000000 Gbps of load. + v4: + TX 7621952 packets (1.524390 MPPS), 4192073600 bytes (7.000001 Gbps) + RX 7244637 packets (1.448927 MPPS), 3694764870 bytes (6.189818 Gbps) + Loss: 377315 packets (4.950372%) + v6: + TX 7621952 packets (1.524390 MPPS), 4192073600 bytes (7.000001 Gbps) + RX 7244636 packets (1.448927 MPPS), 4274335240 bytes (7.117130 Gbps) + Loss: 377316 packets (4.950385%) +Applying 6.000000 Gbps of load. + v4: + TX 6533101 packets (1.306620 MPPS), 3593205550 bytes (6.000000 Gbps) + RX 6502374 packets (1.300475 MPPS), 3316210740 bytes (5.555628 Gbps) + Loss: 30727 packets (0.470328%) + v6: + TX 6533101 packets (1.306620 MPPS), 3593205550 bytes (6.000000 Gbps) + RX 6502374 packets (1.300475 MPPS), 3836400660 bytes (6.387932 Gbps) + Loss: 30727 packets (0.470328%) +Applying 5.000000 Gbps of load. + v4: + TX 5444247 packets (1.088849 MPPS), 2994335850 bytes (4.999996 Gbps) + RX 5444247 packets (1.088849 MPPS), 2776565970 bytes (4.651565 Gbps) + Loss: 0 packets (0.000000%) + v6: + TX 5444247 packets (1.088849 MPPS), 2994335850 bytes (4.999996 Gbps) + RX 5444247 packets (1.088849 MPPS), 3212105730 bytes (5.348428 Gbps) + Loss: 0 packets (0.000000%) +``` From 018b0860a0b18f92d52859d7f65738c57351a650 Mon Sep 17 00:00:00 2001 From: Diego Pino Date: Thu, 9 Jun 2016 18:03:13 +0000 Subject: [PATCH 063/340] Several improvements in virt/lwaftrctl - Set HugePagesFilesystem path as a configuration parameter. - Set MAC addresses for network devices as a configuration parameter. - Add configuration parameter NUMA_NODE for numactl -m. - Abort if SnabbNFV fails. - Improve formatting of SnabbNFV start output. --- src/program/lwaftr/virt/lwaftrctl | 34 ++++++++++++++----- .../lwaftr/virt/lwaftrctl.conf.example | 4 +++ src/program/lwaftr/virt/ports/lwaftr1/a.cfg | 6 ++-- src/program/lwaftr/virt/ports/lwaftr1/b.cfg | 3 +- 4 files changed, 36 insertions(+), 11 deletions(-) diff --git a/src/program/lwaftr/virt/lwaftrctl b/src/program/lwaftr/virt/lwaftrctl index 6c2b958d87..14eb414d1c 100755 --- a/src/program/lwaftr/virt/lwaftrctl +++ b/src/program/lwaftr/virt/lwaftrctl @@ -33,19 +33,19 @@ qemu_start_vm() { echo "Starting QEMU. Please wait..." cd $VM_DIR - sudo qemu-system-x86_64 \ + sudo numactl -m ${NUMA_NODE} taskset -c ${QEMU_CORE} qemu-system-x86_64 \ --enable-kvm -name ${NAME} -drive file=${DISK},if=virtio \ -m ${MEM} -cpu host -smp 2 \ -fsdev local,security_model=passthrough,id=fsdev0,path=${SHARED_LOCATION} \ -device virtio-9p-pci,id=fs0,fsdev=fsdev0,mount_tag=share \ - -object memory-backend-file,id=mem,size=${MEM},mem-path=/dev/hugepages,share=on \ + -object memory-backend-file,id=mem,size=${MEM},mem-path=${HUGEPAGESTLB_FS},share=on \ -numa node,memdev=mem \ -chardev socket,id=char1,path=${VHU_SOCK1},server \ -netdev type=vhost-user,id=net0,chardev=char1 \ - -device virtio-net-pci,netdev=net0,addr=0x8,mac=52:54:00:00:00:01 \ + -device virtio-net-pci,netdev=net0,addr=0x8,mac=${SNABBNFV_MAC1} \ -chardev socket,id=char2,path=${VHU_SOCK2},server \ -netdev type=vhost-user,id=net1,chardev=char2 \ - -device virtio-net-pci,netdev=net1,addr=0x9,mac=52:54:00:00:00:02 \ + -device virtio-net-pci,netdev=net1,addr=0x9,mac=${SNABBNFV_MAC2} \ -netdev type=tap,id=net2,ifname=${IFACE},vhost=on,script=${NETSCRIPT} \ -device virtio-net-pci,netdev=net2,addr=0xa,mac=52:54:00:00:00:03 \ -vnc :${VNC_DISPLAY} -daemonize & @@ -57,7 +57,6 @@ vm_pid() { start_vm() { qemu_start_vm - sleep 30 pid=$(vm_pid "${NAME}") for each in `ls /proc/$pid/task`; do sudo taskset -cp $QEMU_CORE $each; done @@ -107,8 +106,27 @@ start_snabbnfv_process() { local conf=$4 local sock=$5 - echo "Start snabbnfv (screen: '$screen') at core $core (pci: $pci; conf: $conf}; socket: $sock)" - screen -dmS $screen bash -c "cd ${SNABB_HOST_PATH}/src; sudo taskset -c ${core} sudo ./snabb snabbnfv traffic ${pci} ${conf} ${sock}" + # Check configuration file exists. + if [[ ! -f ${conf} ]]; then + echo "WARNING: File '${conf}' does not exist." + fi + + # Run snabbnfv inside screen. + screen -dmS $screen bash -c \ + "cd ${SNABB_HOST_PATH}/src; \ + sudo numactl -m ${NUMA_NODE} taskset -c ${core} sudo ./snabb snabbnfv traffic -b ${pci} ${conf} ${sock};" + sleep 0.5 + status=$(screen -ls | grep ${screen}) + + # Check exit status. + if [[ -z ${status} ]]; then + echo "Start of snabbnfv failed: " + echo -e "\tsudo numactl -m ${NUMA_NODE} taskset -c ${core} sudo ./snabb snabbnfv traffic -b ${pci} ${conf} ${sock}" + exit 1 + fi + + echo "Started snabbnfv on core ${core} (screen: '$screen')" + echo -e "\t{PCI: ${pci}, conf: ${conf}, sock: ${sock}}" } restart_snabbnfv() { @@ -222,7 +240,7 @@ help() { usage 0 } -AFTRCTL_CONF=confs/lwaftrctl1.conf +AFTRCTL_CONF=lwaftrctl.conf ARGS=() while [[ $# > 0 ]]; do key="$1" diff --git a/src/program/lwaftr/virt/lwaftrctl.conf.example b/src/program/lwaftr/virt/lwaftrctl.conf.example index af732a9901..edf1e3c364 100644 --- a/src/program/lwaftr/virt/lwaftrctl.conf.example +++ b/src/program/lwaftr/virt/lwaftrctl.conf.example @@ -21,6 +21,8 @@ VNC_DISPLAY=22 # VM +HUGEPAGESTLB_FS=/dev/hugepages +NUMA_NODE=0 QEMU_CORE=0 VM_DIR=~/vm VM_IP=10.21.21.2 @@ -35,7 +37,9 @@ SNABB_GUEST_PATH=/mnt/host/snabb_guest/src SNABBNFV_CORE1=1 SNABBNFV_CONF1=$SNABB_HOST_LWAFTR/virt/ports/lwaftr1/a.cfg SNABBNFV_PCI1=0000:02:00.0 +SNABBNFV_MAC1=52:54:00:00:00:01 SNABBNFV_CORE2=2 SNABBNFV_CONF2=$SNABB_HOST_LWAFTR/virt/ports/lwaftr1/b.cfg SNABBNFV_PCI2=0000:02:00.1 +SNABBNFV_MAC2=52:54:00:00:00:02 diff --git a/src/program/lwaftr/virt/ports/lwaftr1/a.cfg b/src/program/lwaftr/virt/ports/lwaftr1/a.cfg index ae50f10232..95f7854c0e 100644 --- a/src/program/lwaftr/virt/ports/lwaftr1/a.cfg +++ b/src/program/lwaftr/virt/ports/lwaftr1/a.cfg @@ -1,5 +1,7 @@ return { - { port_id = "1A", - disable_mergeable_rx_buffer = true, + { + port_id = "1A", + -- vlan = 256, + -- mac_address = 52:54:00:00:00:01, }, } diff --git a/src/program/lwaftr/virt/ports/lwaftr1/b.cfg b/src/program/lwaftr/virt/ports/lwaftr1/b.cfg index 0fe111624a..02310e517a 100644 --- a/src/program/lwaftr/virt/ports/lwaftr1/b.cfg +++ b/src/program/lwaftr/virt/ports/lwaftr1/b.cfg @@ -1,5 +1,6 @@ return { { port_id = "1B", - disable_mergeable_rx_buffer = true, + -- vlan = 256, + -- mac_address = 52:54:00:00:00:02, }, } From cc677cc54b11c3514c5c7f7732bcf4780d4785cb Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 12 Jul 2016 14:11:14 +0200 Subject: [PATCH 064/340] Implement ARP requests retries --- src/apps/lwaftr/ipv4_apps.lua | 32 ++++++++++++++++++++++++-------- 1 file changed, 24 insertions(+), 8 deletions(-) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index 3e0492c6c4..a832bd1dfc 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -151,7 +151,6 @@ function Fragmenter:push () end end --- TODO: handle any ARP retry policy code here function ARP:new(conf) local o = setmetatable({}, {__index=ARP}) o.conf = conf @@ -159,21 +158,38 @@ function ARP:new(conf) -- have been provided, in pton format. if not conf.dst_eth then o.arp_request_pkt = arp.form_request(conf.src_eth, conf.src_ipv4, conf.dst_ipv4) - o.do_arp_request = true - else - o.do_arp_request = false + self.arp_request_interval = 3 -- Send a new arp_request every three seconds. + self.arp_request_max_retries = 5 -- Max number of arp_request retries. + self.arp_request_retries = 0 end o.dst_eth = conf.dst_eth -- intentionally nil if to request via ARP return o end +function ARP:maybe_send_arp_request (output) + if self.dst_eth then return end + if self.arp_request_retries == self.arp_request_max_retries then + error(("Could not resolve IPv4 address: %s"):format( + ipv4:ntop(self.conf.dst_ipv4))) + end + self.next_arp_request_time = self.next_arp_request_time or engine.now() + if self.next_arp_request_time <= engine.now() then + self:send_arp_request(output) + self.next_arp_request_time = engine.now() + self.arp_request_interval + self.arp_request_retries = self.arp_request_retries + 1 + end +end + +function ARP:send_arp_request (output) + transmit(output, packet.clone(self.arp_request_pkt)) +end + function ARP:push() local isouth, osouth = self.input.south, self.output.south local inorth, onorth = self.input.north, self.output.north - if self.do_arp_request then - self.do_arp_request = false -- TODO: have retries, etc - transmit(osouth, packet.clone(self.arp_request_pkt)) - end + + self:maybe_send_arp_request(osouth) + for _=1,link.nreadable(isouth) do local p = receive(isouth) if arp.is_arp(p) then From 9e86b23880b2dab4013cbf66d174469588bc12d8 Mon Sep 17 00:00:00 2001 From: Diego Pino Date: Wed, 6 Jul 2016 09:13:04 +0000 Subject: [PATCH 065/340] Handle NS requests and retries without timers --- src/apps/lwaftr/ipv6_apps.lua | 61 ++++++++++++++++------------------- src/core/timer.lua | 16 --------- 2 files changed, 27 insertions(+), 50 deletions(-) diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index d5b63d0eca..6f70bf14eb 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -165,53 +165,48 @@ function Fragmenter:push () end end -local NS_RESOLVE_THRESHOLD = 5 -- Time limit to resolve IPv6 addr to MAC. - --- TODO: handle any NS retry policy code here function NDP:new(conf) local o = setmetatable({}, {__index=NDP}) o.conf = conf -- TODO: verify that the src and dst ipv6 addresses and src mac address -- have been provided, in pton format. if not conf.dst_eth then - o.do_ns_request = true + self.ns_pkt = ndp.form_ns(conf.src_eth, conf.src_ipv6, conf.dst_ipv6) + self.ns_interval = 3 -- Send a new NS every three seconds. + self.ns_max_retries = 5 -- Max number of NS retries. + self.ns_retries = 0 end o.dst_eth = conf.dst_eth -- Intentionally nil if to request by NS return o end +function NDP:maybe_send_ns_request (output) + if self.dst_eth then return end + if self.ns_retries == self.ns_max_retries then + error(("Could not resolve IPv6 address: %s"):format( + ipv6:ntop(self.conf.dst_ipv6))) + end + self.next_ns_time = self.next_ns_time or engine.now() + if self.next_ns_time <= engine.now() then + self:send_ns(output) + self.next_ns_time = engine.now() + self.ns_interval + self.ns_retries = self.ns_retries + 1 + end +end + +function NDP:send_ns (output) + transmit(output, packet.clone(self.ns_pkt)) +end + function NDP:push() local isouth, osouth = self.input.south, self.output.south local inorth, onorth = self.input.north, self.output.north - if self.do_ns_request then - self.do_ns_request = false - local ns_pkt = ndp.form_ns(self.conf.src_eth, self.conf.src_ipv6, - self.conf.dst_ipv6) - -- Send a NS packet inmediately. - transmit(osouth, packet.clone(ns_pkt)) - - -- Send a new NS packet after every second. - timer.activate(timer.new("retry_ns", - function () - transmit(osouth, packet.clone(ns_pkt)) - end, - 1e9, - "repeating")) - - -- Abort execution if NS_RESOLVE_THRESHOLD expires. - local function abort() - error(("Could not resolve IPv6 address: %s"):format( - ipv6:ntop(self.conf.dst_ipv6))) - main.exit(1) - end - timer.activate(timer.new("retry_ns_threshold", - abort, - NS_RESOLVE_THRESHOLD * 1e9)) - -- TODO: do unsolicited neighbor advertisement on start and on - -- configuration reloads? - -- This would be an optimization, not a correctness issue - end + -- TODO: do unsolicited neighbor advertisement on start and on + -- configuration reloads? + -- This would be an optimization, not a correctness issue + self:maybe_send_ns_request(osouth) + for _=1,link.nreadable(isouth) do local p = receive(isouth) if ndp.is_ndp(p) then @@ -219,8 +214,6 @@ function NDP:push() local dst_ethernet = ndp.get_dst_ethernet(p, {self.conf.dst_ipv6}) if dst_ethernet then self.dst_eth = dst_ethernet - timer.deactivate("retry_ns_threshold") - timer.deactivate("retry_ns") end packet.free(p) elseif ndp.is_neighbor_solicitation_for_addr(p, self.conf.src_ipv6) then diff --git a/src/core/timer.lua b/src/core/timer.lua index 2cf6f51cc9..8abadad436 100644 --- a/src/core/timer.lua +++ b/src/core/timer.lua @@ -75,17 +75,6 @@ local function is_timer (t) return type(t) == "table" and (t.name and t.fn and t.ticks) end -function deactivate (timer_or_name) - local name = timer_or_name - if is_timer(timer_or_name) then - name = timer_or_name.name - end - assert(type(name) == "string", "Incorrect value. Timer name expected") - local tick, pos = find_timer(name) - if not tick then return end - table.remove(timers[tick], pos) -end - function new (name, fn, nanos, mode) return { name = name, fn = fn, @@ -96,11 +85,6 @@ end function selftest () print("selftest: timer") - -- Test deactivate. - local t = new("timer", function() end, 1e6) - activate(t) - deactivate(t) - ticks = 0 local ntimers, runtime = 10000, 100000 local count, expected_count = 0, 0 From b792e5714785843f54ab2767cda5bbef6a750180 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 19 May 2016 13:57:29 +0200 Subject: [PATCH 066/340] v2.7 changelog --- src/program/lwaftr/doc/CHANGELOG.md | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/src/program/lwaftr/doc/CHANGELOG.md b/src/program/lwaftr/doc/CHANGELOG.md index 7c6e1445bf..82f27cc276 100644 --- a/src/program/lwaftr/doc/CHANGELOG.md +++ b/src/program/lwaftr/doc/CHANGELOG.md @@ -1,5 +1,22 @@ # Change Log +## [2.7] - 2016-05-19 + +A performance, feature, and bug-fix release. + + * Fix a situation where the JIT self-healing behavior introduced in + v2.4 was not being triggered when VLANs were enabled. Detecting when + to re-train the JIT depends on information from the network card, and + the Snabb Intel 82599 driver has two very different code paths + depending on whether VLAN tagging is enabled or not. Our fix that we + introduced in v2.4 was only working if VLAN tagging was not enabled. + The end result was that performance was not as reliably good as it + should be. + + * Add the ability for the "loadtest" command to produce different load + transient shapes. See "snabb lwaftr loadtest --help" for more + details. + ## [2.6] - 2016-05-18 A bug fix release. From e45397a9c27bc62d0e8cb6207b9541e18ce8d948 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Fri, 3 Jun 2016 13:11:49 +0200 Subject: [PATCH 067/340] More helpful jit.flush message --- src/core/app.lua | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/core/app.lua b/src/core/app.lua index 6a1b688317..d992ebcd2a 100644 --- a/src/core/app.lua +++ b/src/core/app.lua @@ -110,13 +110,19 @@ function ingress_drop_monitor:sample() end end +local print_tuning_tip = true function ingress_drop_monitor:jit_flush_if_needed() if self.current_value[0] - self.last_value[0] < self.threshold then return end if now() - self.last_flush < self.wait then return end self.last_flush = now() self.last_value[0] = self.current_value[0] jit.flush() - print("jit.flush") + local now_str = tonumber(now())/1e9 + print(now_str..": warning: Dropped more than "..self.threshold.." packets; flushing JIT to try to recover.") + if print_tuning_tip then + print("See https://github.com/Igalia/snabb/blob/lwaftr_starfruit/src/program/lwaftr/doc/README.performance.md for performance tuning tips.") + print_tuning_tip = false + end --- TODO: Change last_flush, last_value and current_value fields to be counters. end From d87de597cfb8db022207bc48381e06d95444486a Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Fri, 3 Jun 2016 13:21:55 +0200 Subject: [PATCH 068/340] Fix time printout. --- src/core/app.lua | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/src/core/app.lua b/src/core/app.lua index d992ebcd2a..223c3767eb 100644 --- a/src/core/app.lua +++ b/src/core/app.lua @@ -117,8 +117,7 @@ function ingress_drop_monitor:jit_flush_if_needed() self.last_flush = now() self.last_value[0] = self.current_value[0] jit.flush() - local now_str = tonumber(now())/1e9 - print(now_str..": warning: Dropped more than "..self.threshold.." packets; flushing JIT to try to recover.") + print(now()..": warning: Dropped more than "..self.threshold.." packets; flushing JIT to try to recover.") if print_tuning_tip then print("See https://github.com/Igalia/snabb/blob/lwaftr_starfruit/src/program/lwaftr/doc/README.performance.md for performance tuning tips.") print_tuning_tip = false From eb4aac4a98372ac76ad4051d38112a75191052db Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Fri, 3 Jun 2016 13:37:36 +0200 Subject: [PATCH 069/340] Print troubleshooting link at every jit.flush. --- src/core/app.lua | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/src/core/app.lua b/src/core/app.lua index 223c3767eb..a65f3e46fe 100644 --- a/src/core/app.lua +++ b/src/core/app.lua @@ -110,18 +110,16 @@ function ingress_drop_monitor:sample() end end -local print_tuning_tip = true function ingress_drop_monitor:jit_flush_if_needed() if self.current_value[0] - self.last_value[0] < self.threshold then return end if now() - self.last_flush < self.wait then return end self.last_flush = now() self.last_value[0] = self.current_value[0] jit.flush() - print(now()..": warning: Dropped more than "..self.threshold.." packets; flushing JIT to try to recover.") - if print_tuning_tip then - print("See https://github.com/Igalia/snabb/blob/lwaftr_starfruit/src/program/lwaftr/doc/README.performance.md for performance tuning tips.") - print_tuning_tip = false - end + print(now()..": warning: Dropped more than "..self.threshold.." packets;" + .." flushing JIT to try to recover. See" + .." https://github.com/Igalia/snabb/blob/lwaftr_starfruit/src/program/lwaftr/doc/README.performance.md" + .." for performance tuning tips.") --- TODO: Change last_flush, last_value and current_value fields to be counters. end From 841266d12168e23c05f47b2288a8e42132547759 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Fri, 3 Jun 2016 13:25:00 +0200 Subject: [PATCH 070/340] Change --cpu mentions to taskset/numactl --- src/program/lwaftr/doc/README.benchmarking.md | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/src/program/lwaftr/doc/README.benchmarking.md b/src/program/lwaftr/doc/README.benchmarking.md index 10df9ae906..854cfcab49 100644 --- a/src/program/lwaftr/doc/README.benchmarking.md +++ b/src/program/lwaftr/doc/README.benchmarking.md @@ -13,18 +13,21 @@ See [README.running.md](README.running.md). In one server, start the lwAFTR: ``` -$ sudo ./src/snabb lwaftr run --cpu 1 -v \ +$ sudo numactl -m 0 taskset -c 1 ./src/snabb lwaftr run -v \ --conf program/lwaftr/tests/data/icmp_on_fail.conf \ --v4 0000:02:00.0 --v6 0000:02:00.1 ``` +See [README.performance.md](README.performance.md) for a discussion of `numactl`, +`taskset`, and NUMA settings. + The `-v` flag enables periodic printouts reporting MPPS and Gbps statistics per NIC. In the other server, run the `loadtest` command: ``` -$ sudo ./snabb lwaftr loadtest --cpu 1 -D 1 -b 10e9 -s 0.2e9 \ +$ sudo numactl -m 0 taskset -c 1 ./snabb lwaftr loadtest -D 1 -b 10e9 -s 0.2e9 \ program/lwaftr/tests/benchdata/ipv4-0550.pcap "NIC 0" "NIC 1" 02:00.0 \ program/lwaftr/tests/benchdata/ipv6-0550.pcap "NIC 1" "NIC 0" 02:00.1 ``` From 0c89a4dadc4d378099941999dba1499bc27b111d Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Fri, 3 Jun 2016 13:59:13 +0200 Subject: [PATCH 071/340] v2.8 release notes --- src/program/lwaftr/doc/CHANGELOG.md | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/src/program/lwaftr/doc/CHANGELOG.md b/src/program/lwaftr/doc/CHANGELOG.md index 82f27cc276..db9c2f6b69 100644 --- a/src/program/lwaftr/doc/CHANGELOG.md +++ b/src/program/lwaftr/doc/CHANGELOG.md @@ -1,5 +1,31 @@ # Change Log +## [2.8] - 2016-06-03 + +A bug-fix and documentation release. + + * Fix ability to load in ingress and egress filters from a file. This + feature was originally developed on our main branch and backported in + v2.5, but the backport was missing a necessary fix from the main + branch. + + * Update documentation on ingress and egress filtering, giving several + examples. + + * Added performance analysis of the overhead of ingress and egress + filtering. See + https://github.com/Igalia/snabb/blob/lwaftr_starfruit/src/program/lwaftr/doc/README.filters-performance.md. + + * Updated documentation for performance tuning. See + https://github.com/Igalia/snabb/blob/lwaftr_starfruit/src/program/lwaftr/doc/README.performance.md + + * Add a time-stamp for the JIT self-healing behavior, and adapt the + message to be more helpful. + + * The "loadtest" command now separates reporting of drops that were + because the load generator was not able to service its receive queue + in time, and drops which originate in the remote tested process. + ## [2.7] - 2016-05-19 A performance, feature, and bug-fix release. From c9676f6fffe7702d63952ba51dbea68e4fe30ae5 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 7 Jun 2016 12:56:56 +0000 Subject: [PATCH 072/340] virtio-net driver: Use C header files Instead of defining duplicate versions of structs in virtq_driver.lua, just use the C headers. --- src/lib/virtio/net_driver.lua | 1 - src/lib/virtio/virtq_driver.lua | 53 +++++++-------------------------- 2 files changed, 10 insertions(+), 44 deletions(-) diff --git a/src/lib/virtio/net_driver.lua b/src/lib/virtio/net_driver.lua index 0ab83ea2b1..d6f0cbba81 100644 --- a/src/lib/virtio/net_driver.lua +++ b/src/lib/virtio/net_driver.lua @@ -21,7 +21,6 @@ local bit = require('bit') local virtq = require('lib.virtio.virtq_driver') local VirtioPci = require('lib.virtio.virtio_pci').VirtioPci local checksum = require('lib.checksum') -require('lib.virtio.virtio_h') local band, bor, rshift, lshift = bit.band, bit.bor, bit.rshift, bit.lshift local prepare_packet4, prepare_packet6 = checksum.prepare_packet4, checksum.prepare_packet6 diff --git a/src/lib/virtio/virtq_driver.lua b/src/lib/virtio/virtq_driver.lua index d5cc27b105..9fd6f9e6df 100644 --- a/src/lib/virtio/virtq_driver.lua +++ b/src/lib/virtio/virtq_driver.lua @@ -13,52 +13,18 @@ local ffi = require("ffi") local C = ffi.C local memory = require('core.memory') local band = require('bit').band +require("lib.virtio.virtio.h") +require("lib.virtio.virtio_vring.h") local physical = memory.virtual_to_physical local VirtioVirtq = {} VirtioVirtq.__index = VirtioVirtq --- The Host uses this in used->flags to advise the Guest: don't kick me when you add a buffer. -local VRING_USED_F_NO_NOTIFY = 1 --- The Guest uses this in avail->flags to advise the Host: don't interrupt me when you consume a buffer -local VRING_AVAIL_F_NO_INTERRUPT = 1 - --- This marks a buffer as continuing via the next field. -local VRING_DESC_F_NEXT = 1 --- This marks a buffer as write-only (otherwise read-only). -local VRING_DESC_F_WRITE = 2 --- This means the buffer contains a list of buffer descriptors. -local VRING_DESC_F_INDIRECT = 4 - -ffi.cdef([[ -struct pk_header { - uint8_t flags; - uint8_t gso_type; - uint16_t hdr_len; - uint16_t gso_size; - uint16_t csum_start; - uint16_t csum_offset; -} __attribute__((packed)); -]]) -local pk_header_t = ffi.typeof("struct pk_header") +local pk_header_t = ffi.typeof("struct virtio_net_hdr") local pk_header_size = ffi.sizeof(pk_header_t) - -ffi.cdef([[ - struct vring_desc { - /* Address (guest-physical). */ - uint64_t addr; - /* Length. */ - uint32_t len; - /* The flags as indicated above. */ - uint16_t flags; - /* Next field if flags & NEXT */ - uint16_t next; -} __attribute__((packed)); -]]) local vring_desc_t = ffi.typeof("struct vring_desc") - local ringtypes = {} local function vring_type(n) if ringtypes[n] then return ringtypes[n] end @@ -88,7 +54,7 @@ local function vring_type(n) $ *vring; uint64_t vring_physaddr; struct packet *packets[$]; - struct pk_header *headers[$]; + struct virtio_net_hdr *headers[$]; struct vring_desc *desc_tables[$]; } ]], rng, n, n, n) @@ -113,7 +79,8 @@ local function allocate_virtq(n) desc.addr = phys desc.len = len - desc.flags = VRING_DESC_F_INDIRECT + -- fixme + desc.flags = C.VIRTIO_DESC_F_INDIRECT desc.next = i + 1 end @@ -123,10 +90,10 @@ local function allocate_virtq(n) -- Packet header descriptor local desc = desc_table[0] ptr, phys = memory.dma_alloc(pk_header_size) - vr.headers[i] = ffi.cast("struct pk_header *", ptr) + vr.headers[i] = ffi.cast("struct virtio_net_hdr *", ptr) desc.addr = phys desc.len = pk_header_size - desc.flags = VRING_DESC_F_NEXT + desc.flags = C.VIRTIO_DESC_F_NEXT desc.next = 1 -- Packet data descriptor @@ -139,7 +106,7 @@ local function allocate_virtq(n) vr.num_free = n -- Disable the interrupts forever, we don't need them - vr.vring.avail.flags = VRING_AVAIL_F_NO_INTERRUPT + vr.vring.avail.flags = C.VRING_F_NO_INTERRUPT return vr end @@ -237,7 +204,7 @@ end function VirtioVirtq:should_notify() -- Notify only if the used ring lacks the "no notify" flag - return band(self.vring.used.flags, VRING_USED_F_NO_NOTIFY) == 0 + return band(self.vring.used.flags, C.VRING_F_NO_NOTIFY) == 0 end return { From 223da17186c1b7a8313c3d0fda6cedabc03acd54 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 6 Jun 2016 13:41:49 +0000 Subject: [PATCH 073/340] Cleanup of lwaftrctl script --- src/program/lwaftr/virt/lwaftrctl | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/src/program/lwaftr/virt/lwaftrctl b/src/program/lwaftr/virt/lwaftrctl index 14eb414d1c..d0364acd66 100755 --- a/src/program/lwaftr/virt/lwaftrctl +++ b/src/program/lwaftr/virt/lwaftrctl @@ -35,7 +35,7 @@ qemu_start_vm() { cd $VM_DIR sudo numactl -m ${NUMA_NODE} taskset -c ${QEMU_CORE} qemu-system-x86_64 \ --enable-kvm -name ${NAME} -drive file=${DISK},if=virtio \ - -m ${MEM} -cpu host -smp 2 \ + -m ${MEM} -cpu host \ -fsdev local,security_model=passthrough,id=fsdev0,path=${SHARED_LOCATION} \ -device virtio-9p-pci,id=fs0,fsdev=fsdev0,mount_tag=share \ -object memory-backend-file,id=mem,size=${MEM},mem-path=${HUGEPAGESTLB_FS},share=on \ @@ -57,10 +57,6 @@ vm_pid() { start_vm() { qemu_start_vm - - pid=$(vm_pid "${NAME}") - for each in `ls /proc/$pid/task`; do sudo taskset -cp $QEMU_CORE $each; done - echo "Pinned QEMU to core $QEMU_CORE" } stop_vm() { From e25a6bb8e80690c34ac9f9f4d5fe8d2bfa452d3f Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 7 Jun 2016 13:27:04 +0000 Subject: [PATCH 074/340] Add some headroom before a packet's data. --- src/core/packet.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/src/core/packet.h b/src/core/packet.h index de57e390c0..0bf19d01da 100644 --- a/src/core/packet.h +++ b/src/core/packet.h @@ -1,10 +1,16 @@ /* Use of this source code is governed by the Apache 2.0 license; see COPYING. */ -// The maximum amount of payload in any given packet. -enum { PACKET_PAYLOAD_SIZE = 10*1024 }; +enum { + // A few bytes of headroom if needed by a low-level transport like + // virtio. + PACKET_HEADROOM_SIZE = 32, + // The maximum amount of payload in any given packet. + PACKET_PAYLOAD_SIZE = 10*1024 +}; // Packet of network data, with associated metadata. struct packet { + unsigned char headroom[PACKET_HEADROOM_SIZE]; unsigned char data[PACKET_PAYLOAD_SIZE]; uint16_t length; // data payload length }; From 0650c0479dbf9472ba1e5b4499b2f308fcb2b8c6 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 8 Jun 2016 10:54:35 +0000 Subject: [PATCH 075/340] Disable backpressure on intel driver For the lwaftr this isn't much of an issue. However for the NFV this is a significant change. There is backpressure built in to the vhost user device, as it has to write into buffers provided by the guest. Add that to the intel driver and you can't tell whether it's the NFV or the guest running slow, because either way it results in ingress drops on the Intel NIC. This change will allow us to determine if it's the NFV or the guest -- if it prints the JIT.flush warning, then the problem is in the NFV, and otherwise if it drops on the -> Virtio link, then the problem is in the guest. --- src/apps/intel/intel_app.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/apps/intel/intel_app.lua b/src/apps/intel/intel_app.lua index c85c2e5530..3c394a4ed0 100644 --- a/src/apps/intel/intel_app.lua +++ b/src/apps/intel/intel_app.lua @@ -133,7 +133,7 @@ function Intel82599:pull () if l == nil then return end self.dev:sync_receive() for i=1,128 do - if full(l) or not self.dev:can_receive() then break end + if not self.dev:can_receive() then break end transmit(l, self.dev:receive()) end self:add_receive_buffers() From d6087e5b3cd02189d4994831a83b630f2df2f8ec Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 7 Jun 2016 14:33:18 +0000 Subject: [PATCH 076/340] virtio-net driver: Use direct descriptors Use direct descriptors, and allow virtio to store its header data in the packet headroom. --- src/lib/virtio/net_driver.lua | 9 ++- src/lib/virtio/virtq_driver.lua | 103 +++++++++----------------------- 2 files changed, 32 insertions(+), 80 deletions(-) diff --git a/src/lib/virtio/net_driver.lua b/src/lib/virtio/net_driver.lua index d6f0cbba81..3110f33202 100644 --- a/src/lib/virtio/net_driver.lua +++ b/src/lib/virtio/net_driver.lua @@ -33,10 +33,10 @@ local ETHERTYPE_OFF = 12 local ETHERLEN = 14 -- DST MAC | SRC MAC | ethertype local VIRTIO_NET_HDR_F_NEEDS_CSUM = 1 -local min_features = C.VIRTIO_RING_F_INDIRECT_DESC + C.VIRTIO_NET_F_CSUM -local want_features = C.VIRTIO_F_ANY_LAYOUT + - C.VIRTIO_RING_F_INDIRECT_DESC + - C.VIRTIO_NET_F_MAC +local min_features = C.VIRTIO_NET_F_CSUM + + C.VIRTIO_F_ANY_LAYOUT + + C.VIRTIO_NET_F_CTRL_VQ +local want_features = min_features local RXQ = 0 local TXQ = 1 @@ -53,7 +53,6 @@ function VirtioNetDriver:new(args) if args.use_checksum then self.transmit = self._transmit_checksum - self.want_features = self.want_features + C.VIRTIO_NET_F_CSUM else self.transmit = self._transmit end diff --git a/src/lib/virtio/virtq_driver.lua b/src/lib/virtio/virtq_driver.lua index 9fd6f9e6df..cd0ec37cad 100644 --- a/src/lib/virtio/virtq_driver.lua +++ b/src/lib/virtio/virtq_driver.lua @@ -21,8 +21,13 @@ local physical = memory.virtual_to_physical local VirtioVirtq = {} VirtioVirtq.__index = VirtioVirtq +local PACKET_HEADROOM_SIZE = C.PACKET_HEADROOM_SIZE +local VRING_F_NO_INTERRUPT = C.VRING_F_NO_INTERRUPT +local VRING_F_NO_NOTIFY = C.VRING_F_NO_NOTIFY + local pk_header_t = ffi.typeof("struct virtio_net_hdr") local pk_header_size = ffi.sizeof(pk_header_t) +assert(pk_header_size < PACKET_HEADROOM_SIZE) local vring_desc_t = ffi.typeof("struct vring_desc") local ringtypes = {} @@ -54,10 +59,8 @@ local function vring_type(n) $ *vring; uint64_t vring_physaddr; struct packet *packets[$]; - struct virtio_net_hdr *headers[$]; - struct vring_desc *desc_tables[$]; } - ]], rng, n, n, n) + ]], rng, n) ffi.metatype(t, VirtioVirtq) ringtypes[n] = t return t @@ -70,43 +73,16 @@ local function allocate_virtq(n) local ptr, phys = memory.dma_alloc(ffi.sizeof(vr.vring[0])) vr.vring = ffi.cast(ring_t, ptr) vr.vring_physaddr = phys - - for i = 0, n-1 do - local desc = vr.vring.desc[i] - local len = 2 * ffi.sizeof(vring_desc_t) - ptr, phys = memory.dma_alloc(len) - vr.desc_tables[i] = ffi.cast("struct vring_desc *", ptr) - - desc.addr = phys - desc.len = len - -- fixme - desc.flags = C.VIRTIO_DESC_F_INDIRECT - desc.next = i + 1 - end - - for i = 0, n-1 do - local desc_table = vr.desc_tables[i] - - -- Packet header descriptor - local desc = desc_table[0] - ptr, phys = memory.dma_alloc(pk_header_size) - vr.headers[i] = ffi.cast("struct virtio_net_hdr *", ptr) - desc.addr = phys - desc.len = pk_header_size - desc.flags = C.VIRTIO_DESC_F_NEXT - desc.next = 1 - - -- Packet data descriptor - desc = desc_table[1] - desc.addr = 0 - desc.len = 0 - desc.flags = 0 - desc.next = -1 + -- Initialize free list. + vr.free_head = -1 + vr.num_free = 0 + for i = n-1, 0, -1 do + vr.vring.desc[i].next = vr.free_head + vr.free_head = i + vr.num_free = vr.num_free + 1 end - vr.num_free = n - -- Disable the interrupts forever, we don't need them - vr.vring.avail.flags = C.VRING_F_NO_INTERRUPT + vr.vring.avail.flags = VRING_F_NO_INTERRUPT return vr end @@ -115,24 +91,20 @@ function VirtioVirtq:can_add() end function VirtioVirtq:add(p, len, flags, csum_start, csum_offset) - local idx = self.free_head local desc = self.vring.desc[idx] - local desc_table = self.desc_tables[idx] self.free_head = desc.next self.num_free = self.num_free -1 desc.next = -1 - -- Header - local header = self.headers[idx] - header[0].flags = flags - header[0].csum_start = csum_start - header[0].csum_offset = csum_offset - - -- Packet - desc = desc_table[1] - desc.addr = physical(p.data) - desc.len = len + local header_addr = p.data - pk_header_size + local header = ffi.cast("struct virtio_net_hdr *", header_addr) + ffi.fill(header_addr, pk_header_size, 0) + --header.flags = flags + --header.csum_start = csum_start + --header.csum_offset = csum_offset + desc.addr = physical(header_addr) + desc.len = len + pk_header_size desc.flags = 0 desc.next = -1 @@ -142,28 +114,7 @@ function VirtioVirtq:add(p, len, flags, csum_start, csum_offset) end function VirtioVirtq:add_empty_header(p, len) - local idx = self.free_head - local desc = self.vring.desc[idx] - local desc_table = self.desc_tables[idx] - self.free_head = desc.next - self.num_free = self.num_free -1 - desc.next = -1 - - -- Header - local header = self.headers[idx] - header[0].flags = 0 - - -- Packet - desc = desc_table[1] - desc.addr = physical(p.data) - - desc.len = len - desc.flags = 0 - desc.next = -1 - - self.vring.avail.ring[band(self.last_avail_idx, self.num-1)] = idx - self.last_avail_idx = self.last_avail_idx + 1 - self.packets[idx] = p + self:add(p, len, 0, 0, 0) end function VirtioVirtq:update_avail_idx() @@ -183,16 +134,18 @@ function VirtioVirtq:can_get() end function VirtioVirtq:get() - local last_used_idx = band(self.last_used_idx, self.num-1) local used = self.vring.used.ring[last_used_idx] local idx = used.id local desc = self.vring.desc[idx] + -- FIXME: we should allow the NEXT flag or something, though with worse perf + if debug then assert(desc.flags == 0) end local p = self.packets[idx] + self.packets[idx] = nil if debug then assert(p ~= nil) end p.length = used.len - pk_header_size - if debug then assert(physical(p.data) == self.desc_tables[idx][1].addr) end + if debug then assert(physical(p.data) == desc.addr + pk_header_size) end self.last_used_idx = self.last_used_idx + 1 desc.next = self.free_head @@ -204,7 +157,7 @@ end function VirtioVirtq:should_notify() -- Notify only if the used ring lacks the "no notify" flag - return band(self.vring.used.flags, C.VRING_F_NO_NOTIFY) == 0 + return band(self.vring.used.flags, VRING_F_NO_NOTIFY) == 0 end return { From da583ac8972204a5eb4ab94583cf6e9c8e03555d Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 8 Jun 2016 16:28:06 +0200 Subject: [PATCH 077/340] Fix assumptions that packet == packet.data --- src/apps/lwaftr/fragmentv6.lua | 2 +- src/core/packet.lua | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/apps/lwaftr/fragmentv6.lua b/src/apps/lwaftr/fragmentv6.lua index 0aba639f8e..56ee61681c 100644 --- a/src/apps/lwaftr/fragmentv6.lua +++ b/src/apps/lwaftr/fragmentv6.lua @@ -73,7 +73,7 @@ local function _reassemble_validated(fragments, fragment_offsets, fragment_lengt -- Copy the original headers; this automatically does the right thing in the face of vlans. local fixed_headers_size = l2_size + constants.ipv6_fixed_header_size - ffi.copy(repkt.data, first_fragment, l2_size + constants.ipv6_fixed_header_size) + ffi.copy(repkt.data, first_fragment.data, l2_size + constants.ipv6_fixed_header_size) -- Update the next header; it's not a fragment anymore repkt.data[l2_size + constants.o_ipv6_next_header] = ipv6_next_header diff --git a/src/core/packet.lua b/src/core/packet.lua index 143bfdf920..d081acd803 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -74,7 +74,7 @@ end -- Create an exact copy of a packet. function clone (p) local p2 = allocate() - ffi.copy(p2, p, p.length) + ffi.copy(p2.data, p.data, p.length) p2.length = p.length return p2 end From 30ddd8170535546a6aa6680adddb2320790d3d06 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 9 Jun 2016 15:36:18 +0200 Subject: [PATCH 078/340] Indirect access to packet data --- src/core/packet.h | 5 +++-- src/core/packet.lua | 14 ++++++++++---- 2 files changed, 13 insertions(+), 6 deletions(-) diff --git a/src/core/packet.h b/src/core/packet.h index 0bf19d01da..30547319b6 100644 --- a/src/core/packet.h +++ b/src/core/packet.h @@ -3,15 +3,16 @@ enum { // A few bytes of headroom if needed by a low-level transport like // virtio. - PACKET_HEADROOM_SIZE = 32, + PACKET_HEADROOM_SIZE = 56, // The maximum amount of payload in any given packet. PACKET_PAYLOAD_SIZE = 10*1024 }; // Packet of network data, with associated metadata. struct packet { + unsigned char *data; unsigned char headroom[PACKET_HEADROOM_SIZE]; - unsigned char data[PACKET_PAYLOAD_SIZE]; + unsigned char data_[PACKET_PAYLOAD_SIZE]; uint16_t length; // data payload length }; diff --git a/src/core/packet.lua b/src/core/packet.lua index d081acd803..98a901ad19 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -67,6 +67,7 @@ end -- Create a new empty packet. function new_packet () local p = ffi.cast(packet_ptr_t, memory.dma_alloc(packet_size)) + p.data = p.data_ p.length = 0 return p end @@ -90,23 +91,27 @@ end -- Prepend data to the start of a packet. function prepend (p, ptr, len) assert(p.length + len <= max_payload, "packet payload overflow") - C.memmove(p.data + len, p.data, p.length) -- Move the existing payload + shiftright(p, len) ffi.copy(p.data, ptr, len) -- Fill the gap - p.length = p.length + len return p end -- Move packet data to the left. This shortens the packet by dropping -- the header bytes at the front. function shiftleft (p, bytes) - C.memmove(p.data, p.data+bytes, p.length-bytes) + p.data = p.data + bytes p.length = p.length - bytes end -- Move packet data to the right. This leaves length bytes of data -- at the beginning of the packet. function shiftright (p, bytes) - C.memmove(p.data + bytes, p.data, p.length) + if p.data - bytes >= p.data_ - C.PACKET_HEADROOM_SIZE then + p.data = p.data - bytes + else + C.memmove(p.data_ + bytes, p.data, p.length) + p.data = p.data_ + end p.length = p.length + bytes end @@ -117,6 +122,7 @@ function from_string (d) return from_pointer(d, #d) end -- Free a packet that is no longer in use. local function free_internal (p) p.length = 0 + p.data = p.data_ freelist_add(packets_fl, p) end From fbec950fa34ac903d74a524fd5733b5471175e86 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 9 Jun 2016 15:39:41 +0200 Subject: [PATCH 079/340] Bring length back to beginning of struct packet --- src/core/packet.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/core/packet.h b/src/core/packet.h index 30547319b6..424e4ffcd7 100644 --- a/src/core/packet.h +++ b/src/core/packet.h @@ -3,7 +3,7 @@ enum { // A few bytes of headroom if needed by a low-level transport like // virtio. - PACKET_HEADROOM_SIZE = 56, + PACKET_HEADROOM_SIZE = 54, // The maximum amount of payload in any given packet. PACKET_PAYLOAD_SIZE = 10*1024 }; @@ -11,8 +11,8 @@ enum { // Packet of network data, with associated metadata. struct packet { unsigned char *data; + uint16_t length; // data payload length unsigned char headroom[PACKET_HEADROOM_SIZE]; unsigned char data_[PACKET_PAYLOAD_SIZE]; - uint16_t length; // data payload length }; From ae121caa0eb58e5f51a78f4914a88d35d0629241 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 9 Jun 2016 17:33:45 +0200 Subject: [PATCH 080/340] lwaftr is resilient to changes in p.data --- src/apps/lwaftr/lwaftr.lua | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 7e0c2e206d..a8c67e6bda 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -380,7 +380,10 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) local payload_length = get_ethernet_payload_length(pkt) local l3_header = get_ethernet_payload(pkt) local dscp_and_ecn = get_ipv4_dscp_and_ecn(l3_header) + -- Note that this may invalidate any pointer into pkt.data. Be warned! packet.shiftright(pkt, ipv6_fixed_header_size) + -- Fetch possibly-moved L3 header location. + l3_header = get_ethernet_payload(pkt) write_eth_header(pkt.data, ether_src, ether_dst, n_ethertype_ipv6) write_ipv6_header(l3_header, ipv6_src, ipv6_dst, dscp_and_ecn, next_hdr_type, payload_length) @@ -563,6 +566,7 @@ local function flush_decapsulation(lwstate) and ipv6_equals(get_ipv6_src_address(ipv6_header), b4_addr) and ipv6_equals(get_ipv6_dst_address(ipv6_header), br_addr)) then -- Source softwire is valid; decapsulate and forward. + -- Note that this may invalidate any pointer into pkt.data. Be warned! packet.shiftleft(pkt, ipv6_fixed_header_size) write_eth_header(pkt.data, lwstate.aftr_mac_inet_side, lwstate.inet_mac, n_ethertype_ipv4) From dfe46a2dd92273a3fb7fe899ceea8f7c3bafd74f Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 9 Jun 2016 16:19:28 +0200 Subject: [PATCH 081/340] Refactor packet headroom mechanism --- src/core/packet.h | 5 +++-- src/core/packet.lua | 18 ++++++++++++------ 2 files changed, 15 insertions(+), 8 deletions(-) diff --git a/src/core/packet.h b/src/core/packet.h index 424e4ffcd7..e3ecd2612e 100644 --- a/src/core/packet.h +++ b/src/core/packet.h @@ -3,7 +3,7 @@ enum { // A few bytes of headroom if needed by a low-level transport like // virtio. - PACKET_HEADROOM_SIZE = 54, + PACKET_HEADROOM_SIZE = 48, // The maximum amount of payload in any given packet. PACKET_PAYLOAD_SIZE = 10*1024 }; @@ -12,7 +12,8 @@ enum { struct packet { unsigned char *data; uint16_t length; // data payload length - unsigned char headroom[PACKET_HEADROOM_SIZE]; + uint16_t headroom; + uint32_t padding; unsigned char data_[PACKET_PAYLOAD_SIZE]; }; diff --git a/src/core/packet.lua b/src/core/packet.lua index 98a901ad19..05a65ce290 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -67,7 +67,8 @@ end -- Create a new empty packet. function new_packet () local p = ffi.cast(packet_ptr_t, memory.dma_alloc(packet_size)) - p.data = p.data_ + p.headroom = C.PACKET_HEADROOM_SIZE + p.data = p.data_ + p.headroom p.length = 0 return p end @@ -100,18 +101,22 @@ end -- the header bytes at the front. function shiftleft (p, bytes) p.data = p.data + bytes + p.headroom = p.headroom + bytes p.length = p.length - bytes end -- Move packet data to the right. This leaves length bytes of data -- at the beginning of the packet. function shiftright (p, bytes) - if p.data - bytes >= p.data_ - C.PACKET_HEADROOM_SIZE then - p.data = p.data - bytes + if bytes <= p.headroom then + -- Take from the headroom. + p.headroom = p.headroom - bytes else - C.memmove(p.data_ + bytes, p.data, p.length) - p.data = p.data_ + -- No headroom for the shift; re-set the headroom to the default. + p.headroom = C.PACKET_HEADROOM_SIZE + C.memmove(p.data_ + p.headroom + bytes, p.data, p.length) end + p.data = p.data_ + p.headroom p.length = p.length + bytes end @@ -122,7 +127,8 @@ function from_string (d) return from_pointer(d, #d) end -- Free a packet that is no longer in use. local function free_internal (p) p.length = 0 - p.data = p.data_ + p.headroom = C.PACKET_HEADROOM_SIZE + p.data = p.data_ + p.headroom freelist_add(packets_fl, p) end From 8c15b78b4bee96380e64040b726f56c89a799ec2 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 9 Jun 2016 17:44:49 +0200 Subject: [PATCH 082/340] Add assertions in packet.lua --- src/core/packet.lua | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/core/packet.lua b/src/core/packet.lua index 05a65ce290..a83bbfc1ba 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -91,7 +91,6 @@ end -- Prepend data to the start of a packet. function prepend (p, ptr, len) - assert(p.length + len <= max_payload, "packet payload overflow") shiftright(p, len) ffi.copy(p.data, ptr, len) -- Fill the gap return p @@ -100,6 +99,7 @@ end -- Move packet data to the left. This shortens the packet by dropping -- the header bytes at the front. function shiftleft (p, bytes) + assert(bytes >= 0 and bytes <= p.length) p.data = p.data + bytes p.headroom = p.headroom + bytes p.length = p.length - bytes @@ -110,10 +110,14 @@ end function shiftright (p, bytes) if bytes <= p.headroom then -- Take from the headroom. + assert(bytes >= 0) p.headroom = p.headroom - bytes else -- No headroom for the shift; re-set the headroom to the default. + assert(bytes <= max_payload - p.length) p.headroom = C.PACKET_HEADROOM_SIZE + -- Could be we fit in the packet, but not with headroom. + if p.length + bytes >= max_payload - p.headroom then p.headroom = 0 end C.memmove(p.data_ + p.headroom + bytes, p.data, p.length) end p.data = p.data_ + p.headroom From 0e619feb03546a57c93b95b58884a5a0b0ec279e Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 9 Jun 2016 16:16:05 +0000 Subject: [PATCH 083/340] Adapt virtio to use packet.shift for its headers --- src/lib/virtio/virtq_driver.lua | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/src/lib/virtio/virtq_driver.lua b/src/lib/virtio/virtq_driver.lua index cd0ec37cad..badc70a84c 100644 --- a/src/lib/virtio/virtq_driver.lua +++ b/src/lib/virtio/virtq_driver.lua @@ -12,6 +12,7 @@ local debug = _G.developer_debug local ffi = require("ffi") local C = ffi.C local memory = require('core.memory') +local packet = require('core.packet') local band = require('bit').band require("lib.virtio.virtio.h") require("lib.virtio.virtio_vring.h") @@ -21,13 +22,11 @@ local physical = memory.virtual_to_physical local VirtioVirtq = {} VirtioVirtq.__index = VirtioVirtq -local PACKET_HEADROOM_SIZE = C.PACKET_HEADROOM_SIZE local VRING_F_NO_INTERRUPT = C.VRING_F_NO_INTERRUPT local VRING_F_NO_NOTIFY = C.VRING_F_NO_NOTIFY local pk_header_t = ffi.typeof("struct virtio_net_hdr") local pk_header_size = ffi.sizeof(pk_header_t) -assert(pk_header_size < PACKET_HEADROOM_SIZE) local vring_desc_t = ffi.typeof("struct vring_desc") local ringtypes = {} @@ -97,13 +96,15 @@ function VirtioVirtq:add(p, len, flags, csum_start, csum_offset) self.num_free = self.num_free -1 desc.next = -1 - local header_addr = p.data - pk_header_size - local header = ffi.cast("struct virtio_net_hdr *", header_addr) - ffi.fill(header_addr, pk_header_size, 0) - --header.flags = flags - --header.csum_start = csum_start - --header.csum_offset = csum_offset - desc.addr = physical(header_addr) + packet.shiftright(p, pk_header_size) + local header = ffi.cast("struct virtio_net_hdr *", p.data) + header.flags = flags + header.gso_type = 0 + header.hdr_len = 0 + header.gso_size = 0 + header.csum_start = csum_start + header.csum_offset = csum_offset + desc.addr = physical(p.data) desc.len = len + pk_header_size desc.flags = 0 desc.next = -1 @@ -144,8 +145,9 @@ function VirtioVirtq:get() local p = self.packets[idx] self.packets[idx] = nil if debug then assert(p ~= nil) end - p.length = used.len - pk_header_size - if debug then assert(physical(p.data) == desc.addr + pk_header_size) end + if debug then assert(physical(p.data) == desc.addr) end + p.length = used.len + packet.shiftleft(p, pk_header_size) self.last_used_idx = self.last_used_idx + 1 desc.next = self.free_head From 57177b2827288cd12f3f8c99375de0ee7b3173d0 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 9 Jun 2016 16:29:25 +0000 Subject: [PATCH 084/340] Bump packet headroom to 64 bytes. --- src/core/packet.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/core/packet.h b/src/core/packet.h index e3ecd2612e..549c9c4006 100644 --- a/src/core/packet.h +++ b/src/core/packet.h @@ -3,7 +3,7 @@ enum { // A few bytes of headroom if needed by a low-level transport like // virtio. - PACKET_HEADROOM_SIZE = 48, + PACKET_HEADROOM_SIZE = 64, // The maximum amount of payload in any given packet. PACKET_PAYLOAD_SIZE = 10*1024 }; From 1b401ba6d3908c450446909a914589a92789e94a Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 9 Jun 2016 16:34:49 +0000 Subject: [PATCH 085/340] Default headroom in Lua, not C --- src/core/packet.h | 11 +++-------- src/core/packet.lua | 9 ++++++--- 2 files changed, 9 insertions(+), 11 deletions(-) diff --git a/src/core/packet.h b/src/core/packet.h index 549c9c4006..7de818b43f 100644 --- a/src/core/packet.h +++ b/src/core/packet.h @@ -1,18 +1,13 @@ /* Use of this source code is governed by the Apache 2.0 license; see COPYING. */ -enum { - // A few bytes of headroom if needed by a low-level transport like - // virtio. - PACKET_HEADROOM_SIZE = 64, - // The maximum amount of payload in any given packet. - PACKET_PAYLOAD_SIZE = 10*1024 -}; +// The maximum amount of payload in any given packet. +enum { PACKET_PAYLOAD_SIZE = 10*1024 }; // Packet of network data, with associated metadata. struct packet { unsigned char *data; uint16_t length; // data payload length - uint16_t headroom; + uint16_t headroom; // payload starts this many bytes into data_ uint32_t padding; unsigned char data_[PACKET_PAYLOAD_SIZE]; }; diff --git a/src/core/packet.lua b/src/core/packet.lua index a83bbfc1ba..0b0c135813 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -17,6 +17,9 @@ local packet_t = ffi.typeof("struct packet") local packet_ptr_t = ffi.typeof("struct packet *") local packet_size = ffi.sizeof(packet_t) local header_size = 8 +-- By default, enough headroom for an inserted IPv6 header and a +-- virtio header. +local default_headroom = 64 max_payload = tonumber(C.PACKET_PAYLOAD_SIZE) -- Freelist containing empty packets ready for use. @@ -67,7 +70,7 @@ end -- Create a new empty packet. function new_packet () local p = ffi.cast(packet_ptr_t, memory.dma_alloc(packet_size)) - p.headroom = C.PACKET_HEADROOM_SIZE + p.headroom = default_headroom p.data = p.data_ + p.headroom p.length = 0 return p @@ -115,7 +118,7 @@ function shiftright (p, bytes) else -- No headroom for the shift; re-set the headroom to the default. assert(bytes <= max_payload - p.length) - p.headroom = C.PACKET_HEADROOM_SIZE + p.headroom = default_headroom -- Could be we fit in the packet, but not with headroom. if p.length + bytes >= max_payload - p.headroom then p.headroom = 0 end C.memmove(p.data_ + p.headroom + bytes, p.data, p.length) @@ -131,7 +134,7 @@ function from_string (d) return from_pointer(d, #d) end -- Free a packet that is no longer in use. local function free_internal (p) p.length = 0 - p.headroom = C.PACKET_HEADROOM_SIZE + p.headroom = default_headroom p.data = p.data_ + p.headroom freelist_add(packets_fl, p) end From 814b20877f0e69bb9d37cee50438457d3bcad7ee Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 9 Jun 2016 18:49:08 +0200 Subject: [PATCH 086/340] v2.9 changelog --- src/program/lwaftr/doc/CHANGELOG.md | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/src/program/lwaftr/doc/CHANGELOG.md b/src/program/lwaftr/doc/CHANGELOG.md index db9c2f6b69..942f34dd4f 100644 --- a/src/program/lwaftr/doc/CHANGELOG.md +++ b/src/program/lwaftr/doc/CHANGELOG.md @@ -1,5 +1,32 @@ # Change Log +## [2.9] - 2016-06-09 + +A performance release, speeding up both the core lwaftr operations as +well as the support for running Snabb on virtualized interfaces. + + * Change Snabb representation of packets to have "headroom". + Prepending a header to a packet, as when encapsulating a packet in a + lightweight 4-over-6 softwire, can use this headroom instead of + shifting the packet's payload around in memory. Taking off a header, + as in decapsulation, can likewise just adjust the amount of headroom. + Likewise when sending packets to a host Snabb NFV the virtio system + can place these headers in the headroom as well, instead of needing + multiple virtio scatter-gather buffers. + + * Fix a bug in Snabb NFV by which it would mistakenly cache the Virtio + features that it used when negotiating with QEMU at startup for the + Snabb process. + + * Remove backpressure on the intel driver. This means that if Snabb + NFV is dropping packets at ingress, it is because Snabb NFV is too + slow. If it is dropping them on the NIC -> Virtio link, it is + because the guest is too slow. + +Note: this version of the lwaftr *needs* a fixed version of Snabb NFV to +run virtualized. The patches are headed upstream, but for now, use the +Snabb NFV from this release instead of the ones from upstream. + ## [2.8] - 2016-06-03 A bug-fix and documentation release. From 4ad3379959a399d6b34b778ab7c7f48e58f30d44 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 29 Jul 2016 16:03:08 +0000 Subject: [PATCH 087/340] Fix IPSec's esp selftest --- src/lib/ipsec/esp.lua | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/lib/ipsec/esp.lua b/src/lib/ipsec/esp.lua index e8409acf39..51d278332f 100644 --- a/src/lib/ipsec/esp.lua +++ b/src/lib/ipsec/esp.lua @@ -188,7 +188,7 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ local p2 = packet.clone(p_enc) assert(dec:decapsulate(p2), "decapsulation failed") print("decrypted", lib.hexdump(ffi.string(p2.data, p2.length))) - assert(p2.length == p.length and C.memcmp(p, p2, p.length) == 0, + assert(p2.length == p.length and C.memcmp(p.data, p2.data, p.length) == 0, "integrity check failed") -- Check invalid packets. local p_invalid = packet.from_string("invalid") @@ -209,7 +209,7 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ print("decrypted", lib.hexdump(ffi.string(packet.data(e_min), packet.length(e_min)))) assert(packet.length(e_min) == PAYLOAD_OFFSET) assert(packet.length(p_min) == packet.length(e_min) - and C.memcmp(p_min, e_min, packet.length(p_min)) == 0, + and C.memcmp(p_min.data, e_min.data, packet.length(p_min)) == 0, "integrity check failed") -- Check transmitted Sequence Number wrap around enc.seq:low(0) From 780e46ad2be367c30c7de028901bafed1d894dd2 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 16 Jun 2016 16:26:38 +0200 Subject: [PATCH 088/340] Refactor ingress drop monitor to have configurable actions Ingress drop monitor can warn, or warn and flush. Change lwaftr command line argument to take a parameter. --- src/lib/timers/ingress_drop_monitor.lua | 54 ++++++++++++++++--------- src/program/lwaftr/run/run.lua | 20 ++++++--- 2 files changed, 48 insertions(+), 26 deletions(-) diff --git a/src/lib/timers/ingress_drop_monitor.lua b/src/lib/timers/ingress_drop_monitor.lua index 5457114a54..d6ea038744 100644 --- a/src/lib/timers/ingress_drop_monitor.lua +++ b/src/lib/timers/ingress_drop_monitor.lua @@ -5,45 +5,59 @@ module(...,package.seeall) local ffi = require("ffi") -- Every 100 milliseconds. -local interval = 1e8 +local default_interval = 1e8 -local with_restart = core.app.with_restart local now = core.app.now -ingress_drop_monitor = { - threshold = 100000, - wait = 20, - last_flush = 0, - last_value = ffi.new('uint64_t[1]'), - current_value = ffi.new('uint64_t[1]'), -} +local IngressDropMonitor = {} + +function new(args) + local ret = { + threshold = args.threshold or 100000, + wait = args.wait or 20, + action = args.action or 'flush', + last_flush = 0, + last_value = ffi.new('uint64_t[1]'), + current_value = ffi.new('uint64_t[1]') + } + return setmetatable(ret, {__index=IngressDropMonitor}) +end -function ingress_drop_monitor:sample () +function IngressDropMonitor:sample () local app_array = engine.app_array local sum = self.current_value sum[0] = 0 for i = 1, #app_array do local app = app_array[i] if app.ingress_packet_drops and not app.dead then - local status, value = with_restart(app, app.ingress_packet_drops) - if status then sum[0] = sum[0] + value end + sum[0] = sum[0] + app:ingress_packet_drops() end end end -function ingress_drop_monitor:jit_flush_if_needed () +local tips_url = "https://github.com/Igalia/snabb/blob/lwaftr/src/program/lwaftr/doc/README.performance.md" + +function IngressDropMonitor:jit_flush_if_needed () if self.current_value[0] - self.last_value[0] < self.threshold then return end if now() - self.last_flush < self.wait then return end self.last_flush = now() self.last_value[0] = self.current_value[0] - jit.flush() - print("jit.flush") --- TODO: Change last_flush, last_value and current_value fields to be counters. + local msg = now()..": warning: Dropped more than "..self.threshold.." packets" + if self.action == 'flush' then + msg = msg.."; flushing JIT to try to recover" + end + msg = msg..". See "..tips_url.." for performance tuning tips." + print(msg) + if self.action == 'flush' then jit.flush() end end -local function fn () - ingress_drop_monitor:sample() - ingress_drop_monitor:jit_flush_if_needed() +function IngressDropMonitor:timer(interval) + return timer.new("ingress drop monitor", + function () + self:sample() + self:jit_flush_if_needed() + end, + interval or default_interval, + "repeating") end - -return timer.new("ingress drop monitor", fn, interval, "repeating") diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index 080301d5b9..f90943329d 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -6,7 +6,7 @@ local csv_stats = require("program.lwaftr.csv_stats") local lib = require("core.lib") local numa = require("lib.numa") local setup = require("program.lwaftr.setup") -local ingress_drop_monitor_timer = require("lib.timers.ingress_drop_monitor") +local ingress_drop_monitor = require("lib.timers.ingress_drop_monitor") local function show_usage(exit_code) print(require("program.lwaftr.run.README_inc")) @@ -39,7 +39,7 @@ function parse_args(args) if #args == 0 then show_usage(1) end local conf_file, v4, v6 local ring_buffer_size - local opts = { verbosity = 0 } + local opts = { verbosity = 0, ingress_drop_monitor = 'flush' } local handlers = {} local cpu function handlers.v () opts.verbosity = opts.verbosity + 1 end @@ -104,14 +104,21 @@ function parse_args(args) end end handlers["no-ingress-drop-monitor"] = function (arg) - opts.ingress_drop_monitor = false + if arg == 'flush' or arg == 'warn' then + opts.ingress_drop_monitor = arg + elseif arg == 'off' then + opts.ingress_drop_monitor = nil + else + fatal("invalid --ingress-drop-monitor argument: " .. arg + .." (valid values: flush, warn, off)") + end end function handlers.h() show_usage(0) end lib.dogetopt(args, handlers, "b:c:vD:hir:", { conf = "c", v4 = 1, v6 = 1, ["v4-pci"] = 1, ["v6-pci"] = 1, verbose = "v", duration = "D", help = "h", virtio = "i", ["ring-buffer-size"] = "r", cpu = 1, - ["real-time"] = 0, ["no-ingress-drop-monitor"] = 0, }) + ["real-time"] = 0, ["ingress-drop-monitor"] = 1, }) if ring_buffer_size ~= nil then if opts.virtio_net then fatal("setting --ring-buffer-size does not work with --virtio") @@ -151,8 +158,9 @@ function run(args) csv:activate() end - if opts.ingress_drop_monitor or opts.ingress_drop_monitor == nil then - timer.activate(ingress_drop_monitor_timer) + if opts.ingress_drop_monitor then + local mon = ingress_drop_monitor.new({action=opts.ingress_drop_monitor}) + timer.activate(mon:timer()) end engine.busywait = true From c249604b856aaa64540c1e442824542cde8bc1d0 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 16 Jun 2016 16:29:03 +0200 Subject: [PATCH 089/340] Enable warning ingress drop monitor on the NFV --- src/program/snabbnfv/traffic/traffic.lua | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/program/snabbnfv/traffic/traffic.lua b/src/program/snabbnfv/traffic/traffic.lua index b944673150..8463accf8a 100644 --- a/src/program/snabbnfv/traffic/traffic.lua +++ b/src/program/snabbnfv/traffic/traffic.lua @@ -9,6 +9,7 @@ local ffi = require("ffi") local C = ffi.C local timer = require("core.timer") local pci = require("lib.hardware.pci") +local ingress_drop_monitor = require("lib.timers.ingress_drop_monitor") local counter = require("core.counter") local long_opts = { @@ -83,6 +84,7 @@ function traffic (pciaddr, confpath, sockpath) if C.stat_mtime(confpath) == 0 then print(("WARNING: File '%s' does not exist."):format(confpath)) end + timer.activate(ingress_drop_monitor.new({action='warn'}):timer()) while true do local mtime2 = C.stat_mtime(confpath) if mtime2 ~= mtime then From 55406487260440e78e4eb4e97f7f926d5672195c Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 16 Jun 2016 16:35:25 +0000 Subject: [PATCH 090/340] snabbnfv traffic: Only re-start engine when configuration changes Before, snabbnfv would run the engine for one-second intervals, checking for restart every second and restarting the engine. However this interacts poorly with the latency-tracking mechanism, which expects to be able to call non-performant functions like ffi.typeof() at setup, because it's just setup. With this fix we have less trace creation and interpreter bailout at run-time. --- src/program/snabbnfv/traffic/traffic.lua | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) diff --git a/src/program/snabbnfv/traffic/traffic.lua b/src/program/snabbnfv/traffic/traffic.lua index 8463accf8a..90ffcecdb7 100644 --- a/src/program/snabbnfv/traffic/traffic.lua +++ b/src/program/snabbnfv/traffic/traffic.lua @@ -81,20 +81,23 @@ function long_usage () return usage end function traffic (pciaddr, confpath, sockpath) engine.log = true local mtime = 0 - if C.stat_mtime(confpath) == 0 then - print(("WARNING: File '%s' does not exist."):format(confpath)) + local needs_reconfigure = true + function check_for_reconfigure() + needs_reconfigure = C.stat_mtime(confpath) ~= mtime end timer.activate(ingress_drop_monitor.new({action='warn'}):timer()) + timer.activate(timer.new("reconf", check_for_reconfigure, 1e9, 'repeating')) + -- Flush logs every second. + timer.activate(timer.new("flush", io.flush, 1e9, 'repeating')) while true do - local mtime2 = C.stat_mtime(confpath) - if mtime2 ~= mtime then - print("Loading " .. confpath) - engine.configure(nfvconfig.load(confpath, pciaddr, sockpath)) - mtime = mtime2 + needs_reconfigure = false + print("Loading " .. confpath) + mtime = C.stat_mtime(confpath) + if mtime == 0 then + print(("WARNING: File '%s' does not exist."):format(confpath)) end - engine.main({duration=1, no_report=true}) - -- Flush buffered log messages every 1s - io.flush() + engine.configure(nfvconfig.load(confpath, pciaddr, sockpath)) + engine.main({done=function() return needs_reconfigure end}) end end From a2a67131d728eae2124214a3d6f25feaf471a64b Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Fri, 17 Jun 2016 10:43:08 +0200 Subject: [PATCH 091/340] Add v2.10 changelog. --- src/program/lwaftr/doc/CHANGELOG.md | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/src/program/lwaftr/doc/CHANGELOG.md b/src/program/lwaftr/doc/CHANGELOG.md index 942f34dd4f..033ff9c2c2 100644 --- a/src/program/lwaftr/doc/CHANGELOG.md +++ b/src/program/lwaftr/doc/CHANGELOG.md @@ -1,5 +1,21 @@ # Change Log +## [2.10] - 2016-06-17 + +A Snabb NFV performance fix, which results in more reliable performance +when running any virtualized workload, including the lwAFTR. + + * Fix a situation in the NFV which caused runtime behavior that the JIT + compiler did not handle well. This fixes the situation where + sometimes Snabb NFV would wedge itself into a very low-throughput + state. + + * Disable jit.flush() mechanism in Snabb NFV, to remove a source of + divergence with upstream Snabb NFV. Ingress drops in the NFV are + still detected and printed to the console, but as warnings. + + * Remove remaining sources of backpressure in the lwAFTR. + ## [2.9] - 2016-06-09 A performance release, speeding up both the core lwaftr operations as From 34c401bbf04c6d133b5b88c6df530e6068b68290 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Fri, 13 May 2016 10:15:35 +0200 Subject: [PATCH 092/340] Add ingress, egress and hairpin counters, with preliminary testing support Add ingress, egress and hairpin counters, with preliminary testing support --- src/apps/lwaftr/lwaftr.lua | 66 ++++++++++++++--- src/program/lwaftr/check/README | 7 +- src/program/lwaftr/check/check.lua | 72 ++++++++++++++++++- .../lwaftr/tests/data/counters_hairpin.lua | 12 ++++ .../lwaftr/tests/data/counters_icmp.lua | 14 ++++ src/program/lwaftr/tests/data/counters_ip.lua | 11 +++ .../lwaftr/tests/end-to-end/end-to-end.sh | 24 +++++++ 7 files changed, 190 insertions(+), 16 deletions(-) create mode 100644 src/program/lwaftr/tests/data/counters_hairpin.lua create mode 100644 src/program/lwaftr/tests/data/counters_icmp.lua create mode 100644 src/program/lwaftr/tests/data/counters_ip.lua diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index a8c67e6bda..885f492a17 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -16,6 +16,7 @@ local checksum = require("lib.checksum") local ethernet = require("lib.protocol.ethernet") local ipv6 = require("lib.protocol.ipv6") local ipv4 = require("lib.protocol.ipv4") +local counter = require("core.counter") local packet = require("core.packet") local lib = require("core.lib") local bit = require("bit") @@ -152,7 +153,7 @@ local function init_transmit_icmpv6_with_rate_limit(lwstate) "Incorrect icmpv6_rate_limiter_n_packets value, must be >= 0") local icmpv6_rate_limiter_n_seconds = lwstate.icmpv6_rate_limiter_n_seconds local icmpv6_rate_limiter_n_packets = lwstate.icmpv6_rate_limiter_n_packets - local counter = 0 + local num_packets = 0 local last_time return function (o, pkt) local cur_now = tonumber(engine.now()) @@ -160,11 +161,13 @@ local function init_transmit_icmpv6_with_rate_limit(lwstate) -- Reset if elapsed time reached. if cur_now - last_time >= icmpv6_rate_limiter_n_seconds then last_time = cur_now - counter = 0 + num_packets = 0 end -- Send packet if limit not reached. - if counter < icmpv6_rate_limiter_n_packets then - counter = counter + 1 + if num_packets < icmpv6_rate_limiter_n_packets then + num_packets = num_packets + 1 + counter.add(lwstate.counters.out_icmpv6_bytes, pkt.length) + counter.add(lwstate.counters.out_icmpv6_packets) return transmit(o, pkt) else return drop(pkt) @@ -204,6 +207,37 @@ function LwAftr:new(conf) o.control = channel.create('lwaftr/control', messages.lwaftr_message_t) + -- COUNTERS + -- lwAFTR counters all live in the same directory, and their filenames are + -- built out of ordered field values, separated by dashes. + -- Fields: + -- - direction: "in", "out", "hpin", "drop"; + -- If "direction" is "drop": + -- - reason: reasons for dropping; + -- - protocol+version: "icmpv4", "icmpv6", "ipv4", "ipv6"; + -- - size: "bytes", "packets". + -- The "size" field always comes last. + local counters_dir = "app/lwaftr/counters/" + o.counters = {} + -- Ingress + o.counters.in_ipv4_bytes = counter.open(counters_dir .. "in-ipv4-bytes") + o.counters.in_ipv4_packets = counter.open(counters_dir .. "in-ipv4-packets") + o.counters.in_ipv6_bytes = counter.open(counters_dir .. "in-ipv6-bytes") + o.counters.in_ipv6_packets = counter.open(counters_dir .. "in-ipv6-packets") + -- Egress IP + o.counters.out_ipv4_bytes = counter.open(counters_dir .. "out-ipv4-bytes") + o.counters.out_ipv4_packets = counter.open(counters_dir .. "out-ipv4-packets") + o.counters.out_ipv6_bytes = counter.open(counters_dir .. "out-ipv6-bytes") + o.counters.out_ipv6_packets = counter.open(counters_dir .. "out-ipv6-packets") + -- Egress ICMP + o.counters.out_icmpv4_bytes = counter.open(counters_dir .. "out-icmpv4-bytes") + o.counters.out_icmpv4_packets = counter.open(counters_dir .. "out-icmpv4-packets") + o.counters.out_icmpv6_bytes = counter.open(counters_dir .. "out-icmpv6-bytes") + o.counters.out_icmpv6_packets = counter.open(counters_dir .. "out-icmpv6-packets") + -- Hairpinning + o.counters.hpin_ipv4_bytes = counter.open(counters_dir .. "hpin-ipv4-bytes") + o.counters.hpin_ipv4_packets = counter.open(counters_dir .. "hpin-ipv4-packets") + transmit_icmpv6_with_rate_limit = init_transmit_icmpv6_with_rate_limit(o) if debug then lwdebug.pp(conf) end return o @@ -262,14 +296,20 @@ local function transmit_ipv4(lwstate, pkt) -- The destination address is managed by the lwAFTR, so we need to -- hairpin this packet. Enqueue on the IPv4 interface, as if it -- came from the internet. + counter.add(lwstate.counters.hpin_ipv4_bytes, pkt.length) + counter.add(lwstate.counters.hpin_ipv4_packets) return transmit(lwstate.input.v4, pkt) else + counter.add(lwstate.counters.out_ipv4_bytes, pkt.length) + counter.add(lwstate.counters.out_ipv4_packets) return transmit(lwstate.o4, pkt) end end -local function transmit_ipv4_reply(lwstate, pkt, orig_pkt) +local function transmit_icmpv4_reply(lwstate, pkt, orig_pkt) drop(orig_pkt) + counter.add(lwstate.counters.out_icmpv4_bytes, pkt.length) + counter.add(lwstate.counters.out_icmpv4_packets) return transmit_ipv4(lwstate, pkt) end @@ -296,7 +336,7 @@ local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) local icmp_dis = icmp.new_icmpv4_packet( lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, to_ip, pkt, ethernet_header_size, icmp_config) - return transmit_ipv4_reply(lwstate, icmp_dis, pkt) + return transmit_icmpv4_reply(lwstate, icmp_dis, pkt) end -- ICMPv6 type 1 code 5, as per RFC 7596. @@ -363,7 +403,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) local reply = icmp.new_icmpv4_packet( lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, dst_ip, pkt, ethernet_header_size, icmp_config) - return transmit_ipv4_reply(lwstate, reply, pkt) + return transmit_icmpv4_reply(lwstate, reply, pkt) end if debug then print("ipv6", ipv6_src, ipv6_dst) end @@ -374,7 +414,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) if encapsulating_packet_with_df_flag_would_exceed_mtu(lwstate, pkt) then local reply = cannot_fragment_df_packet_error(lwstate, pkt) - return transmit_ipv4_reply(lwstate, reply, pkt) + return transmit_icmpv4_reply(lwstate, reply, pkt) end local payload_length = get_ethernet_payload_length(pkt) @@ -393,6 +433,8 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) lwdebug.print_pkt(pkt) end + counter.add(lwstate.counters.out_ipv6_bytes, pkt.length) + counter.add(lwstate.counters.out_ipv6_packets) return transmit(lwstate.o6, pkt) end @@ -534,7 +576,7 @@ local function icmpv6_incoming(lwstate, pkt) local reply = tunnel_unreachable(lwstate, pkt, constants.icmpv4_datagram_too_big_df, mtu) - return transmit_ipv4_reply(lwstate, reply, pkt) + return transmit_icmpv4_reply(lwstate, reply, pkt) -- Take advantage of having already checked for 'packet too big' (2), and -- unreachable node/hop limit exceeded/paramater problem being 1, 3, 4 respectively elseif icmp_type <= constants.icmpv6_parameter_problem then @@ -547,7 +589,7 @@ local function icmpv6_incoming(lwstate, pkt) -- Accept all unreachable or parameter problem codes local reply = tunnel_unreachable(lwstate, pkt, constants.icmpv4_host_unreachable) - return transmit_ipv4_reply(lwstate, reply, pkt) + return transmit_icmpv4_reply(lwstate, reply, pkt) else -- No other types of ICMPv6, including echo request/reply, are -- handled. @@ -668,6 +710,8 @@ function LwAftr:push () -- that's not IPv6. local pkt = receive(i6) if is_ipv6(pkt) then + counter.add(self.counters.in_ipv6_bytes, pkt.length) + counter.add(self.counters.in_ipv6_packets) from_b4(self, pkt) else drop(pkt) @@ -680,6 +724,8 @@ function LwAftr:push () -- packets. Drop anything that's not IPv4. local pkt = receive(i4) if is_ipv4(pkt) then + counter.add(self.counters.in_ipv4_bytes, pkt.length) + counter.add(self.counters.in_ipv4_packets) from_inet(self, pkt) else drop(pkt) diff --git a/src/program/lwaftr/check/README b/src/program/lwaftr/check/README index c943c20eb2..d098f2bef3 100644 --- a/src/program/lwaftr/check/README +++ b/src/program/lwaftr/check/README @@ -1,8 +1,9 @@ -Usage: check CONF IPV4-IN.PCAP IPV6-IN.PCAP IPV4-OUT.PCAP IPV6-OUT.PCAP +Usage: check CONF IPV4-IN.PCAP IPV6-IN.PCAP IPV4-OUT.PCAP IPV6-OUT.PCAP [COUNTERS.LUA] -h, --help Print usage information. Run the lwAFTR with input from IPV4-IN.PCAP and IPV6-IN.PCAP, and record -output to IPV4-OUT.PCAP and IPV6-OUT.PCAP. Exit when finished. This -program is used in the lwAFTR test suite. +output to IPV4-OUT.PCAP and IPV6-OUT.PCAP. COUNTERS.LUA contains a table that +defines the counters and by how much each should increment. +Exit when finished. This program is used in the lwAFTR test suite. diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index e51ccb1a14..8be56600e0 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -2,9 +2,32 @@ module(..., package.seeall) local app = require("core.app") local config = require("core.config") +local counter = require("core.counter") local lib = require("core.lib") local setup = require("program.lwaftr.setup") +local counters_dir = "app/lwaftr/counters/" +local counters_paths = { + -- Ingress + in_ipv4_bytes = counters_dir .. "in-ipv4-bytes", + in_ipv4_packets = counters_dir .. "in-ipv4-packets", + in_ipv6_bytes = counters_dir .. "in-ipv6-bytes", + in_ipv6_packets = counters_dir .. "in-ipv6-packets", + -- Egress IP + out_ipv4_bytes = counters_dir .. "out-ipv4-bytes", + out_ipv4_packets = counters_dir .. "out-ipv4-packets", + out_ipv6_bytes = counters_dir .. "out-ipv6-bytes", + out_ipv6_packets = counters_dir .. "out-ipv6-packets", + -- Egress ICMP + out_icmpv4_bytes = counters_dir .. "out-icmpv4-bytes", + out_icmpv4_packets = counters_dir .. "out-icmpv4-packets", + out_icmpv6_bytes = counters_dir .. "out-icmpv6-bytes", + out_icmpv6_packets = counters_dir .. "out-icmpv6-packets", + -- Hairpinning + hpin_ipv4_bytes = counters_dir .. "hpin-ipv4-bytes", + hpin_ipv4_packets = counters_dir .. "hpin-ipv4-packets", +} + function show_usage(code) print(require("program.lwaftr.check.README_inc")) main.exit(code) @@ -14,12 +37,46 @@ function parse_args(args) local handlers = {} function handlers.h() show_usage(0) end args = lib.dogetopt(args, handlers, "h", { help="h" }) - if #args ~= 5 then show_usage(1) end + if #args ~= 5 and #args ~= 6 then show_usage(1) end return unpack(args) end +function load_requested_counters(counters) + return dofile(counters) +end + +function read_counters(c) + local results = {} + for name, path in pairs(counters_paths) do + local cnt = counter.open(path, "readonly") + results[name] = counter.read(cnt) + end + return results +end + +function diff_counters(final, initial) + local results = {} + for name, ref in pairs(initial) do + local cur = final[name] + if cur ~= ref then + results[name] = tonumber(cur - ref) + end + end + return results +end + +function validate_diff(actual, expected) + if not lib.equal(actual, expected) then + print("--- Expected") + for k, v in pairs(expected) do print(k, "=", v) end + print("--- actual") + for k, v in pairs(actual) do print(k, "=", v) end + error("counters did not match") + end +end + function run(args) - local conf_file, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap = + local conf_file, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap, counters_path = parse_args(args) local conf = require('apps.lwaftr.conf').load_lwaftr_config(conf_file) @@ -27,6 +84,15 @@ function run(args) local c = config.new() setup.load_check(c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) app.configure(c) - app.main({duration=0.10}) + if counters_path then + local initial_counters = read_counters(c) + app.main({duration=0.10}) + local final_counters = read_counters(c) + local counters_diff = diff_counters(final_counters, initial_counters) + local req_counters = load_requested_counters(counters_path) + validate_diff(counters_diff, req_counters) + else + app.main({duration=0.10}) + end print("done") end diff --git a/src/program/lwaftr/tests/data/counters_hairpin.lua b/src/program/lwaftr/tests/data/counters_hairpin.lua new file mode 100644 index 0000000000..b59921466f --- /dev/null +++ b/src/program/lwaftr/tests/data/counters_hairpin.lua @@ -0,0 +1,12 @@ +return { + in_ipv4_bytes = 66, + in_ipv4_packets = 1, + in_ipv6_bytes = 106, + in_ipv6_packets = 1, + + out_ipv6_bytes = 106, + out_ipv6_packets = 1, + + hpin_ipv4_bytes = 66, + hpin_ipv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/counters_icmp.lua b/src/program/lwaftr/tests/data/counters_icmp.lua new file mode 100644 index 0000000000..03ec6b86bb --- /dev/null +++ b/src/program/lwaftr/tests/data/counters_icmp.lua @@ -0,0 +1,14 @@ +return { + in_ipv4_bytes = 66, + in_ipv4_packets = 1, + in_ipv6_bytes = 106, + in_ipv6_packets = 1, + + out_ipv4_bytes = 94, + out_ipv4_packets = 1, + + out_icmpv4_bytes = 94, + out_icmpv4_packets = 1, + out_icmpv6_bytes = 154, + out_icmpv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/counters_ip.lua b/src/program/lwaftr/tests/data/counters_ip.lua new file mode 100644 index 0000000000..33518f59b6 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters_ip.lua @@ -0,0 +1,11 @@ +return { + in_ipv4_bytes = 66, + in_ipv4_packets = 1, + in_ipv6_bytes = 106, + in_ipv6_packets = 1, + + out_ipv4_bytes = 66, + out_ipv4_packets = 1, + out_ipv6_bytes = 106, + out_ipv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index a23d5d65a3..2d221799ab 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -40,6 +40,30 @@ function snabb_run_and_cmp { echo "Test passed" } + +# Counters (temporary) + +echo "Testing: ingress/egress IP counters" +${SNABB_LWAFTR} check ${TEST_BASE}/no_icmp.conf \ + ${TEST_BASE}/tcp-frominet-bound.pcap ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ + ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap \ + ${TEST_BASE}/counters_ip.lua && echo "Test passed" + +echo "Testing: egress ICMP counters" +${SNABB_LWAFTR} check ${TEST_BASE}/icmp_on_fail.conf \ + ${TEST_BASE}/tcp-frominet-bound-ttl1.pcap ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ + ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap \ + ${TEST_BASE}/counters_icmp.lua && echo "Test passed" + +echo "Testing: hairpinning counters" +${SNABB_LWAFTR} check ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ + ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap \ + ${TEST_BASE}/counters_hairpin.lua && echo "Test passed" + +# End counters (temporary) + + echo "Testing: from-internet IPv4 packet found in the binding table." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-bound.pcap ${EMPTY} \ From 0de9d59b3b4664e13b790f6e5a185bcbcad3365b Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Fri, 20 May 2016 16:05:22 +0200 Subject: [PATCH 093/340] Add documentation for counters, including diagrams and descriptions --- src/program/lwaftr/doc/README.counters.md | 103 ++++++++++++++++++ src/program/lwaftr/doc/README.md | 3 +- src/program/lwaftr/doc/genbook.sh | 2 + .../lwaftr/doc/images/b4-to-decaps-queue.dia | Bin 0 -> 6460 bytes .../lwaftr/doc/images/b4-to-decaps-queue.png | Bin 0 -> 90488 bytes .../doc/images/decaps-queue-to-internet.dia | Bin 0 -> 4790 bytes .../doc/images/decaps-queue-to-internet.png | Bin 0 -> 58377 bytes .../lwaftr/doc/images/encaps-queue-to-b4.dia | Bin 0 -> 5607 bytes .../lwaftr/doc/images/encaps-queue-to-b4.png | Bin 0 -> 76205 bytes .../doc/images/internet-to-encaps-queue.dia | Bin 0 -> 4130 bytes .../doc/images/internet-to-encaps-queue.png | Bin 0 -> 55109 bytes src/program/lwaftr/doc/images/main-flow.dia | Bin 0 -> 2109 bytes src/program/lwaftr/doc/images/main-flow.png | Bin 0 -> 31413 bytes 13 files changed, 107 insertions(+), 1 deletion(-) create mode 100644 src/program/lwaftr/doc/README.counters.md create mode 100644 src/program/lwaftr/doc/images/b4-to-decaps-queue.dia create mode 100644 src/program/lwaftr/doc/images/b4-to-decaps-queue.png create mode 100644 src/program/lwaftr/doc/images/decaps-queue-to-internet.dia create mode 100644 src/program/lwaftr/doc/images/decaps-queue-to-internet.png create mode 100644 src/program/lwaftr/doc/images/encaps-queue-to-b4.dia create mode 100644 src/program/lwaftr/doc/images/encaps-queue-to-b4.png create mode 100644 src/program/lwaftr/doc/images/internet-to-encaps-queue.dia create mode 100644 src/program/lwaftr/doc/images/internet-to-encaps-queue.png create mode 100644 src/program/lwaftr/doc/images/main-flow.dia create mode 100644 src/program/lwaftr/doc/images/main-flow.png diff --git a/src/program/lwaftr/doc/README.counters.md b/src/program/lwaftr/doc/README.counters.md new file mode 100644 index 0000000000..5a11afe4bd --- /dev/null +++ b/src/program/lwaftr/doc/README.counters.md @@ -0,0 +1,103 @@ +# Counters + +The number of packets and bytes handled in various points of the execution flow +are recorded in counters, updated in real time. + +The counters are accessible as files in the runtime area of the Snabb process, +typically under `/var/run/snabb/[PID]/app/lwaftr/counters/`. + +Each counter has two files, respectively ending with the `bytes` and `packets` +suffix. + +## Execution flow + +This is lwAftr's overall execution flow: + +![main flow](images/main-flow.png) + +Packets coming from the b4 on users' premises are decapsulated, handled, then +sent to the Internet or dropped, as appropriate. + +On the other side, packets coming from the Internet are handled, possibly +dropped, or encapsulated and sent to users' b4. + +Each direction is in turn broken in two by two queues, for implementation +reasons. The four resulting macro blocks are described below, in clockwise +order. + +For each macro block, the place of all counters in the execution flow is first +shown graphically, then each counter is described in detail. Several counters +appear in more than one place, and the dashed blocks designate functions in +the Lua code. + +### b4 to decapsulation queue + +![b4 to decapsulation queue](images/b4-to-decaps-queue.png) + +Counters: + +- **drop-misplaced-ipv6**: non-IPv6 packets incoming on the IPv6 link +- **in-ipv6**: all valid incoming IPv6 packets +- **drop-unknown-protocol-ipv6**: packets with an unknown IPv6 protocol +- **drop-in-by-policy-icmpv6**: incoming ICMPv6 packets dropped because of + current policy +- **drop-too-big-type-but-not-code-icmpv6**: the packets' ICMPv6 type is + "Packet too big", but the ICMPv6 code is not, as it should +- **out-icmpv4**: all valid outgoing ICMPv4 packets +- **drop-over-time-but-not-hop-limit-icmpv6**: the packets' time limit is + exceeded, but the hop limit is not +- **drop-unknown-protocol-icmpv6**: packets with an unknown ICMPv6 protocol + +### decapsulation queue to Internet + +![decapsulation queue to internet](images/decaps-queue-to-internet.png) + +Counters: + +- **drop-no-source-softwire-ipv6**: no matching source softwire in the binding + table +- **hairpin-ipv4**: packets going to a known b4 (hairpinned) +- **out-ipv4**: all valid outgoing IPv4 packets +- **drop-out-by-policy-icmpv6**: outgoing ICMPv6 packets dropped because of + current policy +- **drop-over-rate-limit-icmpv6**: packets dropped because the outgoing ICMPv6 + rate limit was reached +- **out-icmpv6**: all valid outgoing ICMPv6 packets + +### Internet to encapsulation queue + +![internet to encapsulation queue](images/internet-to-encaps-queue.png) + +Counters: + +- **drop-misplaced-ipv4**: non-IPv4 packets incoming on the IPv4 link +- **in-ipv4**: all valid incoming IPv4 packets +- **drop-in-by-policy-icmpv4**: incoming ICMPv4 packets dropped because of + current policy +- **drop-bad-checksum-icmpv4**: ICMPv4 packets dropped because of a bad + checksum + +### Encapsulation queue to b4 + +![encapsulation queue to b4](images/encaps-queue-to-b4.png) + +Counters: + +- **drop-no-dest-softwire-ipv4**: no matching destination softwire in the + binding table +- **drop-out-by-policy-icmpv4**: outgoing ICMPv4 packets dropped because of + current policy +- **drop-in-by-policy-icmpv4**: incoming ICMPv4 packets dropped because of + current policy (same as above) +- **out-icmpv4**: all valid outgoing ICMPv4 packets (same as above) +- **drop-ttl-zero-ipv4**: IPv4 pacjets dropped because their TTL is zero +- **drop-over-mtu-but-dont-fragment-ipv4**: IPv4 packets whose size exceeds the + MTU, but the DF (Don't Fragment) flag is set +- **out-ipv6**: all valid outgoing IPv6 packets + +## Aggregation counters + +Several additional counters aggregate the value of a number of single ones: + +- **drop-all-ipv4**: all dropped IPv4 packets, aggregating the counters: [TBD] +- **drop-all-ipv6**: all dropped IPv6 packets, aggregating the counters: [TBD] diff --git a/src/program/lwaftr/doc/README.md b/src/program/lwaftr/doc/README.md index a56b5e68cf..27eb608753 100644 --- a/src/program/lwaftr/doc/README.md +++ b/src/program/lwaftr/doc/README.md @@ -112,6 +112,8 @@ get the lwAFTR working on virtualized network interfaces. [Troubleshooting](./README.troubleshooting.md) +[Counters](./README.counters.md) + ## Performance [Benchmarking](./README.benchmarking.md) @@ -125,4 +127,3 @@ get the lwAFTR working on virtualized network interfaces. [Discovery of next-hop L2 addresses via NDP](./README.ndp.md) [Change Log](./CHANGELOG.md) - diff --git a/src/program/lwaftr/doc/genbook.sh b/src/program/lwaftr/doc/genbook.sh index 617aff7659..421fa9cdf0 100755 --- a/src/program/lwaftr/doc/genbook.sh +++ b/src/program/lwaftr/doc/genbook.sh @@ -39,6 +39,8 @@ $(cat README.rfccompliance.md) $(cat README.troubleshooting.md) +$(cat README.counters.md) + $(cat README.breaking_changes.md) EOF diff --git a/src/program/lwaftr/doc/images/b4-to-decaps-queue.dia b/src/program/lwaftr/doc/images/b4-to-decaps-queue.dia new file mode 100644 index 0000000000000000000000000000000000000000..b5dd49aa45c4d8518355903cc1b429c4308c5b50 GIT binary patch literal 6460 zcmV-C8N=ouiwFP!000021MOX1Z{s+Yeb28j(yxw+q$qxLrn}MAgV`Nm7F)pdzRXLY z#HvKwj^&o^RAnCaw=XZ{q+(mLC5xnE)eTUU$dP$1hCDp?`!BzIeVmS-vT~6Zv!5<$ zL@r0!?5>#Pv-_Ve|L6C=U8&1oe!lq2Bu{@d|L)85ab(^xTfo&%mk-P3{KpR;zI^!- zO`jL(vM8fzzKRyvhyP2b)AWP6>BHsE7o*YJ0Ve4(h1b@vrpslS->#O~XqG-^KV9CY 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Updated text and images --- src/program/lwaftr/doc/README.counters.md | 42 +++++++++--------- .../lwaftr/doc/images/b4-to-decaps-queue.dia | Bin 6460 -> 6447 bytes .../lwaftr/doc/images/b4-to-decaps-queue.png | Bin 90488 -> 87027 bytes .../doc/images/decaps-queue-to-internet.dia | Bin 4790 -> 4739 bytes .../doc/images/decaps-queue-to-internet.png | Bin 58377 -> 57210 bytes .../lwaftr/doc/images/encaps-queue-to-b4.dia | Bin 5607 -> 5662 bytes .../lwaftr/doc/images/encaps-queue-to-b4.png | Bin 76205 -> 77172 bytes .../doc/images/internet-to-encaps-queue.dia | Bin 4130 -> 4083 bytes .../doc/images/internet-to-encaps-queue.png | Bin 55109 -> 53245 bytes 9 files changed, 22 insertions(+), 20 deletions(-) diff --git a/src/program/lwaftr/doc/README.counters.md b/src/program/lwaftr/doc/README.counters.md index 5a11afe4bd..cb9ac364de 100644 --- a/src/program/lwaftr/doc/README.counters.md +++ b/src/program/lwaftr/doc/README.counters.md @@ -6,12 +6,12 @@ are recorded in counters, updated in real time. The counters are accessible as files in the runtime area of the Snabb process, typically under `/var/run/snabb/[PID]/app/lwaftr/counters/`. -Each counter has two files, respectively ending with the `bytes` and `packets` -suffix. +Most counters are represented by two files, ending with the `bytes` and +`packets` suffixes. ## Execution flow -This is lwAftr's overall execution flow: +This is the lwAftr's overall execution flow: ![main flow](images/main-flow.png) @@ -21,9 +21,9 @@ sent to the Internet or dropped, as appropriate. On the other side, packets coming from the Internet are handled, possibly dropped, or encapsulated and sent to users' b4. -Each direction is in turn broken in two by two queues, for implementation -reasons. The four resulting macro blocks are described below, in clockwise -order. +Each direction is in turn broken in two by two queues, in order to reduce the +cost lookups in the binding table. The four resulting macro blocks are +described below, in clockwise order. For each macro block, the place of all counters in the execution flow is first shown graphically, then each counter is described in detail. Several counters @@ -43,7 +43,7 @@ Counters: current policy - **drop-too-big-type-but-not-code-icmpv6**: the packets' ICMPv6 type is "Packet too big", but the ICMPv6 code is not, as it should -- **out-icmpv4**: all valid outgoing ICMPv4 packets +- **out-icmpv4**: internally generated ICMPv4 error packets - **drop-over-time-but-not-hop-limit-icmpv6**: the packets' time limit is exceeded, but the hop limit is not - **drop-unknown-protocol-icmpv6**: packets with an unknown ICMPv6 protocol @@ -56,13 +56,13 @@ Counters: - **drop-no-source-softwire-ipv6**: no matching source softwire in the binding table -- **hairpin-ipv4**: packets going to a known b4 (hairpinned) +- **hairpin-ipv4**: IPv4 packets going to a known b4 (hairpinned) - **out-ipv4**: all valid outgoing IPv4 packets -- **drop-out-by-policy-icmpv6**: outgoing ICMPv6 packets dropped because of - current policy +- **drop-out-by-policy-icmpv6**: internally generated ICMPv6 error packets + dropped because of current policy - **drop-over-rate-limit-icmpv6**: packets dropped because the outgoing ICMPv6 rate limit was reached -- **out-icmpv6**: all valid outgoing ICMPv6 packets +- **out-icmpv6**: internally generated ICMPv6 error packets ### Internet to encapsulation queue @@ -85,19 +85,21 @@ Counters: - **drop-no-dest-softwire-ipv4**: no matching destination softwire in the binding table -- **drop-out-by-policy-icmpv4**: outgoing ICMPv4 packets dropped because of - current policy -- **drop-in-by-policy-icmpv4**: incoming ICMPv4 packets dropped because of - current policy (same as above) -- **out-icmpv4**: all valid outgoing ICMPv4 packets (same as above) -- **drop-ttl-zero-ipv4**: IPv4 pacjets dropped because their TTL is zero +- **drop-out-by-policy-icmpv4**: internally generated ICMPv4 error packets + dropped because of current policy +- **drop-in-by-rfc7596-icmpv4**: incoming ICMPv4 packets with no destination + (RFC 7596 section 8.1) +- **out-icmpv4**: internally generated ICMPv4 error packets (same as above) +- **drop-ttl-zero-ipv4**: IPv4 packets dropped because their TTL is zero - **drop-over-mtu-but-dont-fragment-ipv4**: IPv4 packets whose size exceeds the MTU, but the DF (Don't Fragment) flag is set - **out-ipv6**: all valid outgoing IPv6 packets ## Aggregation counters -Several additional counters aggregate the value of a number of single ones: +Several additional counters aggregate the value of a number of specific ones: -- **drop-all-ipv4**: all dropped IPv4 packets, aggregating the counters: [TBD] -- **drop-all-ipv6**: all dropped IPv6 packets, aggregating the counters: [TBD] +- **drop-all-ipv4**: all dropped incoming IPv4 packets (not including the + internally generated ICMPv4 error ones) +- **drop-all-ipv6**: all dropped incoming IPv6 packets (not including the + internally generated ICMPv6 error ones) diff --git a/src/program/lwaftr/doc/images/b4-to-decaps-queue.dia b/src/program/lwaftr/doc/images/b4-to-decaps-queue.dia index 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zsB=DJjb#Ghrnmctyt>r1pOzRvw){8-7;JrWoxQGws6^3|iquD?AOw-ZmBy^kk ztBAd*9hod6b;okMUQ0uyty>w{PgEHOu7$&YHbwH8Fe+J!hcl;7^Xwfy+-cK`Ac8On z>X`UfUfKQ*%-Ev$4+@G9%Xa^If5`f6@F=m;F!PCLU(@8gIwfDx2o0ZUHyVQB-E zJ370#ya0%;U>e*%7mS!{)X4Wvqcmgq!RsWhJ>J!oIf0R3(;A;tS8&o`mS;Vc1e3y1 z+_uBAX-HdCq;b64xs!PI;}_fqD+eYTcSGCGaI&#+0W#wHdY`WONEr+Tvb!spy6OvS z>#~xP?LE%{N!C15BZa*;mRb@SphNz@6pAsxAu+`-H(LTn@dDTvhF#ZRK=+b-yRtG} zsh}>GRs!rXKm_5;3~XxDI@DT}o|NO!`NtlWIAs$Jj!5E)sZ0k`5nT#PlKxBz`W-ak`xl-tx}eh@-D9oG#I zX*&p;X_wJHW9s;lF}*4ZtM~wU*&qjfbeINWzSCdQ3|+tsy<+65OTFE4* zStB9EkCRYQS2rnLm%aZUZ7C13c|8->R{+n?-d)x=&DM5I=NE2lKazqdW-`pR~957!H0>Ia2?`>1X4#w@1}H|hl*Z&o=vWnQlr`6KMb zZ+z?a?ZRPSi}bIgAV*2*3x(R{3J_kj^<6LCqIo_CAefOibw1i)e&yUh(Y=lt)Tv-^ z0W^?lMN>-Jdhq7rS-U*h!El-xAApqXonRmqSK80A!XcpR*b@{3$cx((W9sXVF884 zrxB&|9*rD`{Z+m(06u3C``_O*vV|W82Oqn`ZwSIC0?(Nwk&-fn2hVHmvn*O^c91=s zs&vnz5wNqLVftFNW{p&y^!x;+wNJMHO@*R`N0y1i&Wjc?gCzOk4oQ39|8A2u`FiSF z7ayKJg>4LZFf>_IhM=+Y=`XD$Qh(1PT^oI2tRiI4o{+&SjitSZ_M z^FeWN_m|BuN Date: Tue, 4 Oct 2016 17:49:52 +0200 Subject: [PATCH 275/340] Extract common functions from lwaftr check --- src/program/lwaftr/check/check.lua | 82 ++++-------------------------- src/program/lwaftr/check/util.lua | 73 ++++++++++++++++++++++++++ 2 files changed, 82 insertions(+), 73 deletions(-) create mode 100644 src/program/lwaftr/check/util.lua diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 06ec82be7b..bcded2fa85 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -1,26 +1,22 @@ module(..., package.seeall) -local config = require("core.config") -local counter = require("core.counter") local lib = require("core.lib") -local lwconf = require('apps.lwaftr.conf') -local lwcounter = require("apps.lwaftr.lwcounter") -local lwutil = require("apps.lwaftr.lwutil") +local lwconf = require("apps.lwaftr.conf") local setup = require("program.lwaftr.setup") +local util = require("program.lwaftr.check.util") --- Get the counter directory and names from the code, so that any change --- in there will be automatically picked up by the tests. -local counter_names = lwcounter.counter_names -local counters_dir = lwcounter.counters_dir +local load_requested_counters = util.load_requested_counters +local read_counters = util.read_counters +local diff_counters = util.diff_counters +local validate_diff = util.validate_diff +local regen_counters = util.regen_counters -local write_to_file = lwutil.write_to_file - -function show_usage(code) +local function show_usage(code) print(require("program.lwaftr.check.README_inc")) main.exit(code) end -function parse_args (args) +local function parse_args (args) local handlers = {} local opts = {} function handlers.h() show_usage(0) end @@ -38,66 +34,6 @@ function parse_args (args) return opts, args end -function load_requested_counters(counters) - local result = dofile(counters) - assert(type(result) == "table", "Not a valid counters file: "..counters) - return result -end - -function read_counters(c) - local results = {} - for _, name in ipairs(counter_names) do - local cnt = counter.open(counters_dir .. name .. ".counter", "readonly") - results[name] = counter.read(cnt) - end - return results -end - -function diff_counters(final, initial) - local results = {} - for name, ref in pairs(initial) do - local cur = final[name] - if cur ~= ref then - results[name] = tonumber(cur - ref) - end - end - return results -end - -function validate_diff(actual, expected) - if not lib.equal(actual, expected) then - local msg - print('--- Expected (actual values in brackets, if any)') - for k, v in pairs(expected) do - msg = k..' = '..v - if actual[k] ~= nil then - msg = msg..' ('..actual[k]..')' - end - print(msg) - end - print('--- actual (expected values in brackets, if any)') - for k, v in pairs(actual) do - msg = k..' = '..v - if expected[k] ~= nil then - msg = msg..' ('..expected[k]..')' - end - print(msg) - end - error('counters did not match') - end -end - -local function regen_counters(counters, outfile) - local cnames = lwutil.keys(counters) - table.sort(cnames) - local out_val = {'return {'} - for _,k in ipairs(cnames) do - table.insert(out_val, string.format(' ["%s"] = %s,', k, counters[k])) - end - table.insert(out_val, '}\n') - write_to_file(outfile, (table.concat(out_val, '\n'))) -end - function run(args) local opts, args = parse_args(args) local load_check = opts["on-a-stick"] and setup.load_check_on_a_stick diff --git a/src/program/lwaftr/check/util.lua b/src/program/lwaftr/check/util.lua new file mode 100644 index 0000000000..a3e54eb9cb --- /dev/null +++ b/src/program/lwaftr/check/util.lua @@ -0,0 +1,73 @@ +module(..., package.seeall) + +local counter = require("core.counter") +local lib = require("core.lib") +local lwcounter = require("apps.lwaftr.lwcounter") +local lwutil = require("apps.lwaftr.lwutil") + +-- Get the counter directory and names from the code, so that any change +-- in there will be automatically picked up by the tests. +local counter_names = lwcounter.counter_names +local counters_dir = lwcounter.counters_dir + +local write_to_file = lwutil.write_to_file + +function load_requested_counters(counters) + local result = dofile(counters) + assert(type(result) == "table", "Not a valid counters file: "..counters) + return result +end + +function read_counters(c) + local results = {} + for _, name in ipairs(counter_names) do + local cnt = counter.open(counters_dir .. name .. ".counter", "readonly") + results[name] = counter.read(cnt) + end + return results +end + +function diff_counters(final, initial) + local results = {} + for name, ref in pairs(initial) do + local cur = final[name] + if cur ~= ref then + results[name] = tonumber(cur - ref) + end + end + return results +end + +function validate_diff(actual, expected) + if not lib.equal(actual, expected) then + local msg + print('--- Expected (actual values in brackets, if any)') + for k, v in pairs(expected) do + msg = k..' = '..v + if actual[k] ~= nil then + msg = msg..' ('..actual[k]..')' + end + print(msg) + end + print('--- actual (expected values in brackets, if any)') + for k, v in pairs(actual) do + msg = k..' = '..v + if expected[k] ~= nil then + msg = msg..' ('..expected[k]..')' + end + print(msg) + end + error('counters did not match') + end +end + +function regen_counters(counters, outfile) + local cnames = lwutil.keys(counters) + table.sort(cnames) + local out_val = {'return {'} + for _,k in ipairs(cnames) do + table.insert(out_val, string.format(' ["%s"] = %s,', k, counters[k])) + end + table.insert(out_val, '}\n') + write_to_file(outfile, (table.concat(out_val, '\n'))) +end From f044d9eaa63fdbf897ce49c4e7a47835cb6a0ec3 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 4 Oct 2016 17:52:18 +0200 Subject: [PATCH 276/340] Add SnabbVMX check --- src/program/snabbvmx/README | 5 +- src/program/snabbvmx/check/README | 17 +++ src/program/snabbvmx/check/README.inc | 1 + src/program/snabbvmx/check/check.lua | 55 ++++++++++ src/program/snabbvmx/lwaftr/setup.lua | 147 ++++++++++++++++++++++++++ 5 files changed, 224 insertions(+), 1 deletion(-) create mode 100644 src/program/snabbvmx/check/README create mode 120000 src/program/snabbvmx/check/README.inc create mode 100644 src/program/snabbvmx/check/check.lua diff --git a/src/program/snabbvmx/README b/src/program/snabbvmx/README index 1cdc6ffc68..641a677456 100644 --- a/src/program/snabbvmx/README +++ b/src/program/snabbvmx/README @@ -1,5 +1,8 @@ Usage: - snabbvmx lwaftr + snabbvmx check + snabbvmx lwaftr + snabbvmx query + snabbvmx top Use --help for per-command usage. diff --git a/src/program/snabbvmx/check/README b/src/program/snabbvmx/check/README new file mode 100644 index 0000000000..9e130dc752 --- /dev/null +++ b/src/program/snabbvmx/check/README @@ -0,0 +1,17 @@ +Usage: check [-r] CONF V4-IN.PCAP V6-IN.PCAP V4-OUT.PCAP V6-OUT.PCAP [COUNTERS.LUA] + check -h + + -h, --help + Print usage information. + -r, --regen + Regenerate counter files, instead of checking. + +Without -r: +Run the SnabbVMX with input from IPV4-IN.PCAP and IPV6-IN.PCAP, and record +output to IPV4-OUT.PCAP and IPV6-OUT.PCAP. COUNTERS.LUA contains a table that +defines the counters and by how much each should increment. +Exit when finished. This program is used in the lwAFTR test suite. + +With -r: +Regenerate the counter files for the test suite. This is useful after +extensive changes to implementation details of counters. diff --git a/src/program/snabbvmx/check/README.inc b/src/program/snabbvmx/check/README.inc new file mode 120000 index 0000000000..100b93820a --- /dev/null +++ b/src/program/snabbvmx/check/README.inc @@ -0,0 +1 @@ +README \ No newline at end of file diff --git a/src/program/snabbvmx/check/check.lua b/src/program/snabbvmx/check/check.lua new file mode 100644 index 0000000000..c4d3b7d3e9 --- /dev/null +++ b/src/program/snabbvmx/check/check.lua @@ -0,0 +1,55 @@ +module(..., package.seeall) + +local config = require("core.config") +local lib = require("core.lib") +local lwcheck = require("program.lwaftr.check.util") +local lwconf = require("apps.lwaftr.conf") +local setup = require("program.snabbvmx.lwaftr.setup") + +local diff_counters = lwcheck.diff_counters +local load_requested_counters = lwcheck.load_requested_counters +local read_counters = lwcheck.read_counters +local validate_diff = lwcheck.validate_diff +local regen_counters = lwcheck.regen_counters + +local function show_usage(code) + print(require("program.snabbvmx.check.README_inc")) + main.exit(code) +end + +local function parse_args (args) + local handlers = {} + local opts = {} + function handlers.h() show_usage(0) end + function handlers.r() opts.r = true end + args = lib.dogetopt(args, handlers, "hrD:", + { help="h", regen="r", duration="D" }) + if #args ~= 5 and #args ~= 6 then show_usage(1) end + if not opts.duration then opts.duration = 0.10 end + return opts, args +end + +function run(args) + local opts, args = parse_args(args) + local conf_file, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap, counters_path = + unpack(args) + + local c = config.new() + setup.load_check(c, conf_file, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) + engine.configure(c) + if counters_path then + local initial_counters = read_counters(c) + engine.main({duration=opts.duration}) + local final_counters = read_counters(c) + local counters_diff = diff_counters(final_counters, initial_counters) + if opts.r then + regen_counters(counters_diff, counters_path) + else + local req_counters = load_requested_counters(counters_path) + validate_diff(counters_diff, req_counters) + end + else + engine.main({duration=opts.duration}) + end + print("done") +end diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index 60426415f8..be5caa4a78 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -17,6 +17,7 @@ local nh_fwd = require("apps.lwaftr.nh_fwd") local pci = require("lib.hardware.pci") local raw = require("apps.socket.raw") local tap = require("apps.tap.tap") +local pcap = require("apps.pcap.pcap") local yesno = lib.yesno @@ -291,3 +292,149 @@ function lwaftr_app(c, conf, lwconf, sock_path) print("Running without VM (no vHostUser sock_path set)") end end + +local function file_exists (path) + local stat = S.stat(path) + return stat and stat.isreg +end + +local function load_conf (conf_filename) + local function load_lwaftr_config (conf, conf_filename) + local filename = conf.lwaftr + if not file_exists(filename) then + filename = lib.dirname(conf_filename).."/"..filename + end + return require("apps.lwaftr.conf").load_lwaftr_config(filename) + end + local conf = dofile(conf_filename) + return conf, load_lwaftr_config(conf, conf_filename) +end + +local function lwaftr_app_check (c, conf, lwconf, sources, sinks) + assert(type(conf) == "table") + assert(type(lwconf) == "table") + + v4_input, v6_input = unpack(sources) + v4_output, v6_output = unpack(sinks) + + if conf.ipv6_interface then + if conf.ipv6_interface.fragmentation then + local mtu = conf.ipv6_interface.mtu or lwconf.ipv6_mtu + config.app(c, "reassemblerv6", ipv6_apps.ReassembleV6, { + counters = counters, + max_ipv6_reassembly_packets = lwconf.max_ipv6_reassembly_packets, + max_fragments_per_reassembly_packet = lwconf.max_fragments_per_reassembly_packet, + }) + config.app(c, "fragmenterv6", ipv6_apps.Fragmenter, { + counters = counters, + mtu = mtu, + }) + config.link(c, v6_output .. " -> reassemblerv6.input") + config.link(c, "fragmenterv6.output -> " .. v6_input) + v6_input, v6_output = "fragmenterv6.input", "reassemblerv6.output" + end + if conf.ipv6_interface.ipv6_ingress_filter then + local filter = conf.ipv6_interface.ipv6_ingress_filter + config.app(c, "ingress_filterv6", PcapFilter, { filter = filter }) + config.link(c, v6_output .. " -> ingress_filterv6.input") + v6_output = "ingress_filterv6.output" + end + if conf.ipv6_interface.ipv6_egress_filter then + local filter = conf.ipv6_interface.ipv6_egress_filter + config.app(c, "egress_filterv6", PcapFilter, { filter = filter }) + config.link(c, "egress_filterv6.output -> " .. v6_input) + v6_input = "egress_filterv6.input" + end + end + + if conf.ipv4_interface then + if conf.ipv4_interface.fragmentation then + local mtu = conf.ipv4_interface.mtu or lwconf.ipv4_mtu + config.app(c, "reassemblerv4", ipv4_apps.Reassembler, { + counters = counters, + max_ipv4_reassembly_packets = lwconf.max_ipv4_reassembly_packets, + max_fragments_per_reassembly_packet = lwconf.max_fragments_per_reassembly_packet, + }) + config.app(c, "fragmenterv4", ipv4_apps.Fragmenter, { + counters = counters, + mtu = mtu + }) + config.link(c, v4_output .. " -> reassemblerv4.input") + config.link(c, "fragmenterv4.output -> " .. v4_input) + v4_input, v4_output = "fragmenterv4.input", "reassemblerv4.output" + end + if conf.ipv4_interface.ipv4_ingress_filter then + local filter = conf.ipv4_interface.ipv4_ingress_filter + config.app(c, "ingress_filterv4", PcapFilter, { filter = filter }) + config.link(c, v4_output .. " -> ingress_filterv4.input") + v4_output = "ingress_filterv4.output" + end + if conf.ipv4_interface.ipv4_egress_filter then + local filter = conf.ipv4_interface.ipv4_egress_filter + config.app(c, "egress_filterv4", PcapFilter, { filter = filter }) + config.link(c, "egress_filterv4.output -> " .. v4_input) + v4_input = "egress_filterv4.input" + end + end + + if conf.ipv4_interface and conf.ipv6_interface then + config.app(c, "nh_fwd6", nh_fwd.nh_fwd6, conf.ipv6_interface) + config.link(c, v6_input.." -> nh_fwd6.wire") + config.link(c, "nh_fwd6.wire -> "..v6_output) + + config.app(c, "nh_fwd4", nh_fwd.nh_fwd4, conf.ipv4_interface) + config.link(c, v4_input.."-> nh_fwd4.wire") + config.link(c, "nh_fwd4.wire -> "..v6_output) + + lwconf.counters = lwcounter.init_counters() + config.app(c, "lwaftr", lwaftr.LwAftr, lwconf) + config.link(c, "nh_fwd6.service -> lwaftr.v6") + config.link(c, "lwaftr.v6 -> nh_fwd6.service") + config.link(c, "nh_fwd4.service -> lwaftr.v4") + config.link(c, "lwaftr.v4 -> nh_fwd4.service") + + -- Add a special hairpinning queue to the lwaftr app. + config.link(c, "lwaftr.hairpin_out -> lwaftr.hairpin_in") + + config.app(c, "vm_v4v6", V4V6, { description = "vm_v4v6", + mirror = false }) + config.link(c, "nh_fwd6.vm -> vm_v4v6.v6") + config.link(c, "vm_v4v6.v6 -> nh_fwd6.vm") + config.link(c, "nh_fwd4.vm -> vm_v4v6.v4") + config.link(c, "vm_v4v6.v4 -> nh_fwd6.vm") + + config.app(c, "DummyVhost", basic_apps.Sink) + config.link(c, "DummyVhost.tx -> vm_v4v6.input") + config.link(c, "vm_v4v6.output -> DummyVhost.rx") + end +end + +function load_check(c, conf_filename, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) + local conf, lwconf = load_conf(conf_filename) + + config.app(c, "capturev4", pcap.PcapReader, inv4_pcap) + config.app(c, "capturev6", pcap.PcapReader, inv6_pcap) + config.app(c, "output_filev4", pcap.PcapWriter, outv4_pcap) + config.app(c, "output_filev6", pcap.PcapWriter, outv6_pcap) + if conf.vlan_tagging then + config.app(c, "untagv4", vlan.Untagger, { tag=conf.v4_vlan_tag }) + config.app(c, "untagv6", vlan.Untagger, { tag=conf.v6_vlan_tag }) + config.app(c, "tagv4", vlan.Tagger, { tag=conf.v4_vlan_tag }) + config.app(c, "tagv6", vlan.Tagger, { tag=conf.v6_vlan_tag }) + end + + local sources = { "capturev4.output", "capturev6.output" } + local sinks = { "output_filev4.input", "output_filev6.input" } + + if conf.vlan_tagging then + sources = { "untagv4.output", "untagv6.output" } + sinks = { "tagv4.input", "tagv6.input" } + + config.link(c, "capturev4.output -> untagv4.input") + config.link(c, "capturev6.output -> untagv6.input") + config.link(c, "tagv4.output -> output_filev4.input") + config.link(c, "tagv6.output -> output_filev6.input") + end + + lwaftr_app_check(c, conf, lwconf, sources, sinks) +end From 5518db27685e0c04ad537474885f0fe42b5eb415 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 4 Oct 2016 16:55:55 +0200 Subject: [PATCH 277/340] Add SnabbVMX check test case Test case for handling IPv6 fragments while fragmentation is off. --- .../tests/end-to-end/core-end-to-end.sh | 72 ++++++++++++++++++ .../snabbvmx/tests/end-to-end/data/.gitignore | 1 + .../tests/end-to-end/data/add-vlan.sh | 39 ++++++++++ .../tests/end-to-end/data/binding_table.txt.s | 14 ++++ .../data/counters/drop-all-ipv6-fragments.lua | 7 ++ .../snabbvmx/tests/end-to-end/data/empty.pcap | Bin 0 -> 24 bytes .../regressiontest-signedntohl-frags.pcap | Bin 0 -> 7334 bytes .../end-to-end/data/snabbvmx-lwaftr-xe1.cfg | 19 +++++ .../end-to-end/data/snabbvmx-lwaftr-xe1.conf | 11 +++ .../end-to-end/data/vlan/binding_table.txt.s | 14 ++++ .../regressiontest-signedntohl-frags.pcap | Bin 0 -> 7394 bytes .../data/vlan/snabbvmx-lwaftr-xe1.cfg | 19 +++++ .../data/vlan/snabbvmx-lwaftr-xe1.conf | 14 ++++ .../tests/end-to-end/end-to-end-vlan.sh | 3 + .../snabbvmx/tests/end-to-end/end-to-end.sh | 3 + .../snabbvmx/tests/end-to-end/selftest.sh | 4 + .../snabbvmx/tests/end-to-end/test_env.sh | 60 +++++++++++++++ 17 files changed, 280 insertions(+) create mode 100755 src/program/snabbvmx/tests/end-to-end/core-end-to-end.sh create mode 100644 src/program/snabbvmx/tests/end-to-end/data/.gitignore create mode 100755 src/program/snabbvmx/tests/end-to-end/data/add-vlan.sh create mode 100644 src/program/snabbvmx/tests/end-to-end/data/binding_table.txt.s create mode 100644 src/program/snabbvmx/tests/end-to-end/data/counters/drop-all-ipv6-fragments.lua create mode 100644 src/program/snabbvmx/tests/end-to-end/data/empty.pcap create mode 100644 src/program/snabbvmx/tests/end-to-end/data/regressiontest-signedntohl-frags.pcap create mode 100644 src/program/snabbvmx/tests/end-to-end/data/snabbvmx-lwaftr-xe1.cfg create mode 100644 src/program/snabbvmx/tests/end-to-end/data/snabbvmx-lwaftr-xe1.conf create mode 100644 src/program/snabbvmx/tests/end-to-end/data/vlan/binding_table.txt.s create mode 100644 src/program/snabbvmx/tests/end-to-end/data/vlan/regressiontest-signedntohl-frags.pcap create mode 100644 src/program/snabbvmx/tests/end-to-end/data/vlan/snabbvmx-lwaftr-xe1.cfg create mode 100644 src/program/snabbvmx/tests/end-to-end/data/vlan/snabbvmx-lwaftr-xe1.conf create mode 100755 src/program/snabbvmx/tests/end-to-end/end-to-end-vlan.sh create mode 100755 src/program/snabbvmx/tests/end-to-end/end-to-end.sh create mode 100755 src/program/snabbvmx/tests/end-to-end/selftest.sh create mode 100644 src/program/snabbvmx/tests/end-to-end/test_env.sh diff --git a/src/program/snabbvmx/tests/end-to-end/core-end-to-end.sh b/src/program/snabbvmx/tests/end-to-end/core-end-to-end.sh new file mode 100755 index 0000000000..4aa47b4265 --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/core-end-to-end.sh @@ -0,0 +1,72 @@ +#!/usr/bin/env bash + +if [[ $EUID -ne 0 ]]; then + echo "This script must be run as root" 1>&2 + exit 1 +fi + +if [[ $1 == '-r' ]]; then + REGEN=true +fi + +function quit_with_msg { + echo -e "$1"; exit 1 +} + +function scmp { + if ! cmp $1 $2 ; then + ls -l $1 + ls -l $2 + quit_with_msg "$3" + fi +} + +function run_and_cmp { + conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters=$6 + endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap"; + rm -f $endoutv4 $endoutv6 + ${SNABB_LWAFTR} check \ + $conf $v4_in $v6_in \ + $endoutv4 $endoutv6 $counters_path || quit_with_msg \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v4_out $endoutv4 \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v6_out $endoutv6 \ + "Failure: ${SNABB_LWAFTR} check $*" + echo "Test passed" +} + +function run_and_regen_counters { + conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters=$6 + endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap"; + rm -f $endoutv4 $endoutv6 + ${SNABB_LWAFTR} check -r \ + $conf $v4_in $v6_in \ + $endoutv4 $endoutv6 $counters_path || quit_with_msg \ + "Failure: ${SNABB_LWAFTR} check $*" + echo "Regenerated counters" +} + +function snabbvmx_run_and_cmp { + if [ -z $6 ]; then + echo "Not enough arguments to snabbvmx_run_and_cmp" + exit 1 + fi + if [ $REGEN ] ; then + run_and_regen_counters $@ + else + run_and_cmp $@ + fi +} + +source "test_env.sh" + +TEST_OUT="/tmp" +SNABB_LWAFTR="../../../../snabb snabbvmx" + +while true; do + print_test_name + snabbvmx_run_and_cmp $(read_test_data) + next_test || break +done +echo "All end-to-end lwAFTR tests passed." diff --git a/src/program/snabbvmx/tests/end-to-end/data/.gitignore b/src/program/snabbvmx/tests/end-to-end/data/.gitignore new file mode 100644 index 0000000000..5761abcfdf --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/data/.gitignore @@ -0,0 +1 @@ +*.o diff --git a/src/program/snabbvmx/tests/end-to-end/data/add-vlan.sh b/src/program/snabbvmx/tests/end-to-end/data/add-vlan.sh new file mode 100755 index 0000000000..c8c4d9acf5 --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/data/add-vlan.sh @@ -0,0 +1,39 @@ +#!/usr/bin/env bash + +# https://en.wikipedia.org/wiki/IEEE_802.1Q +# 802.1q payload: +# | TPID | PRI | CFI | TAG | +# | 0x8100 | 3-bit | 1-bit | 12-bit | + +# Intentionally do not add to the list: +# icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap +# It needs to be 576 bytes, so requires truncation after the VLAN tag is added +# Do not automatically regenerate it. + +V4=( +) + +V6=( + "regressiontest-signedntohl-frags.pcap" +) + +IPV4_TAG=1092 # 0x444 +IPV6_TAG=1638 # 0x666 +DIR=vlan + +if [[ -d "$DIR" ]]; then + rm -f "$DIR/*.pcap" +else + mkdir "$DIR" +fi + +# Create IPv4 packets tagged +for file in ${V4[@]}; do + echo "Create $DIR/$file" + tcprewrite --enet-vlan=add --enet-vlan-pri=0 --enet-vlan-cfi=0 --enet-vlan-tag=$IPV4_TAG --infile=$file --outfile=$DIR/$file +done +# Create IPv6 packets tagged +for file in ${V6[@]}; do + echo "Create $DIR/$file" + tcprewrite --enet-vlan=add --enet-vlan-pri=0 --enet-vlan-cfi=0 --enet-vlan-tag=$IPV6_TAG --infile=$file --outfile=$DIR/$file +done diff --git a/src/program/snabbvmx/tests/end-to-end/data/binding_table.txt.s b/src/program/snabbvmx/tests/end-to-end/data/binding_table.txt.s new file mode 100644 index 0000000000..7a0374e18b --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/data/binding_table.txt.s @@ -0,0 +1,14 @@ +psid_map { + 10.10.0.0 {psid_length=6, shift=10} + 10.10.0.1 {psid_length=6, shift=10} + 10.10.0.10 {psid_length=6, shift=10} +} +br_addresses { + 2a02:587:f700::100, +} +softwires { + { ipv4=10.10.0.0, psid=1, b4=2a02:587:f710::400 } + { ipv4=10.10.0.0, psid=2, b4=2a02:587:f710::410 } + { ipv4=10.10.0.0, psid=3, b4=2a02:587:f710::420 } + { ipv4=10.10.0.0, psid=4, b4=2a02:587:f710::430 } +} diff --git a/src/program/snabbvmx/tests/end-to-end/data/counters/drop-all-ipv6-fragments.lua b/src/program/snabbvmx/tests/end-to-end/data/counters/drop-all-ipv6-fragments.lua new file mode 100644 index 0000000000..098e694764 --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/data/counters/drop-all-ipv6-fragments.lua @@ -0,0 +1,7 @@ +return { + ["drop-all-ipv6-iface-bytes"] = 7070, + ["drop-all-ipv6-iface-packets"] = 15, + ["drop-ipv6-frag-disabled"] = 15, + ["in-ipv6-bytes"] = 7070, + ["in-ipv6-packets"] = 15, +} diff --git a/src/program/snabbvmx/tests/end-to-end/data/empty.pcap b/src/program/snabbvmx/tests/end-to-end/data/empty.pcap new file mode 100644 index 0000000000000000000000000000000000000000..a324304509bdd12aef4a69458a409cefefafe614 GIT binary patch literal 24 Ycmca|c+)~A1{MYw`2U}Qff2|708wKE@Bjb+ literal 0 HcmV?d00001 diff --git a/src/program/snabbvmx/tests/end-to-end/data/regressiontest-signedntohl-frags.pcap b/src/program/snabbvmx/tests/end-to-end/data/regressiontest-signedntohl-frags.pcap new file mode 100644 index 0000000000000000000000000000000000000000..789309414075b9a4348d83b0c0cc2be90b5aaa93 GIT binary patch literal 7334 zcmca|c+)~A1{MYw*ul-fzzF2D>OBot7w2Vo2jqZojH|ln0^T$bU~Ida^Z=-8hmM05 z6Knf-0hnF}2p`U61ewdIeD4{Hs~*c4kg*Pe39VdQ3=CWhj441lL6#k7KbVbzK^Fp` z*k^E~JoXtkf?|Krd2iG~ctZdb`?pJY8CC&vEC^%C`z6HWeddJG*vA{tRF`Z6#@z8F zW-6509bd$bjh5O}k06>F2#Wm$6Df~<#*LuZr>Rp%4X1htfMUPl05cUz?a|n$dgS0W z5EOHJKX6c?)Sj60@8f8xjW@6dog^ssTjV(@j(x_Bpx7UD-Wzog-VgxAevBU{6-w>V z*vA{tRF?$B+^IS~it{Z4Q{ X!W#mh*q4%Er9!Da8vA$yn(C4OVD}`6 literal 0 HcmV?d00001 diff --git a/src/program/snabbvmx/tests/end-to-end/data/snabbvmx-lwaftr-xe1.cfg b/src/program/snabbvmx/tests/end-to-end/data/snabbvmx-lwaftr-xe1.cfg new file mode 100644 index 0000000000..b5e4db8890 --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/data/snabbvmx-lwaftr-xe1.cfg @@ -0,0 +1,19 @@ +return { + lwaftr = "snabbvmx-lwaftr-xe1.conf", + settings = { + }, + ipv6_interface = { + ipv6_address = "", + cache_refresh_interval = 0, + fragmentation = false, + mac_address = "90:e2:ba:94:2a:bc", + next_hop_mac = "90:e2:ba:94:2a:bc", + }, + ipv4_interface = { + ipv4_address = "192.168.5.2", + cache_refresh_interval = 0, + fragmentation = false, + mac_address = "90:e2:ba:94:2a:bc", + next_hop_mac = "90:e2:ba:94:2a:bc", + }, +} diff --git a/src/program/snabbvmx/tests/end-to-end/data/snabbvmx-lwaftr-xe1.conf b/src/program/snabbvmx/tests/end-to-end/data/snabbvmx-lwaftr-xe1.conf new file mode 100644 index 0000000000..0d6de84a69 --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/data/snabbvmx-lwaftr-xe1.conf @@ -0,0 +1,11 @@ +hairpinning = false, +vlan_tagging = false, +binding_table = binding_table.txt.s, +aftr_ipv6_ip = fc00:168:10::2, +aftr_ipv4_ip = 192.168.10.2, +aftr_mac_inet_side = 02:cf:69:15:81:01, +inet_mac = 90:e2:ba:94:2a:bc +aftr_mac_b4_side = 02:cf:69:15:81:01, +next_hop6_mac = 90:e2:ba:94:2a:bc, +ipv4_mtu = 9000, +ipv6_mtu = 9000, diff --git a/src/program/snabbvmx/tests/end-to-end/data/vlan/binding_table.txt.s b/src/program/snabbvmx/tests/end-to-end/data/vlan/binding_table.txt.s new file mode 100644 index 0000000000..7a0374e18b --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/data/vlan/binding_table.txt.s @@ -0,0 +1,14 @@ +psid_map { + 10.10.0.0 {psid_length=6, shift=10} + 10.10.0.1 {psid_length=6, shift=10} + 10.10.0.10 {psid_length=6, shift=10} +} +br_addresses { + 2a02:587:f700::100, +} +softwires { + { ipv4=10.10.0.0, psid=1, b4=2a02:587:f710::400 } + { ipv4=10.10.0.0, psid=2, b4=2a02:587:f710::410 } + { ipv4=10.10.0.0, psid=3, b4=2a02:587:f710::420 } + { ipv4=10.10.0.0, psid=4, b4=2a02:587:f710::430 } +} diff --git a/src/program/snabbvmx/tests/end-to-end/data/vlan/regressiontest-signedntohl-frags.pcap b/src/program/snabbvmx/tests/end-to-end/data/vlan/regressiontest-signedntohl-frags.pcap new file mode 100644 index 0000000000000000000000000000000000000000..7693f417fcf883f7494c56be4d6fa49429d6bcbd GIT binary patch literal 7394 zcmca|c+)~A1{MYw`2U}Qff2}Q)q5JQF3!vF3CIEA7*}=C1-xk>z}U#ZmezJR=>bsX z4jl(ACf4@v0xd`Q9@YS3Q<9Afp`w6I!{r7#O%17*l|9f-F1EelQya zgDwO>DS*L^Iw^p0BPaz7Ixmho2yY00Qo!vJUWRqRTnoZD%77AL$^hns(G-9;u&FND z28_MqNz7C#!8^W)9UCpdsUAr*H4u~n7EGj03Sis_N&z%=?x^8Z4*^gLXgI)3r4oEJ z1yDVL@EQn;y}ches8oVa%=!0mv;@Z+;Db&Qlmc4hIjNEY7&n4az@YQusDto^04N2- z_;FIH1RqTScmtd2lAzc-RmVq_{L8@jB>3;S(Gr~MkwjAiK`9_(Ep<`=<3>;lps905 z4X1htfKq__9X=|R;G-#k>Jfz3z;OV literal 0 HcmV?d00001 diff --git a/src/program/snabbvmx/tests/end-to-end/data/vlan/snabbvmx-lwaftr-xe1.cfg b/src/program/snabbvmx/tests/end-to-end/data/vlan/snabbvmx-lwaftr-xe1.cfg new file mode 100644 index 0000000000..b5e4db8890 --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/data/vlan/snabbvmx-lwaftr-xe1.cfg @@ -0,0 +1,19 @@ +return { + lwaftr = "snabbvmx-lwaftr-xe1.conf", + settings = { + }, + ipv6_interface = { + ipv6_address = "", + cache_refresh_interval = 0, + fragmentation = false, + mac_address = "90:e2:ba:94:2a:bc", + next_hop_mac = "90:e2:ba:94:2a:bc", + }, + ipv4_interface = { + ipv4_address = "192.168.5.2", + cache_refresh_interval = 0, + fragmentation = false, + mac_address = "90:e2:ba:94:2a:bc", + next_hop_mac = "90:e2:ba:94:2a:bc", + }, +} diff --git a/src/program/snabbvmx/tests/end-to-end/data/vlan/snabbvmx-lwaftr-xe1.conf b/src/program/snabbvmx/tests/end-to-end/data/vlan/snabbvmx-lwaftr-xe1.conf new file mode 100644 index 0000000000..88d6d1f85d --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/data/vlan/snabbvmx-lwaftr-xe1.conf @@ -0,0 +1,14 @@ +hairpinning = false, +vlan_tagging = false, +binding_table = binding_table.txt.s, +aftr_ipv6_ip = fc00:168:10::2, +aftr_ipv4_ip = 192.168.10.2, +aftr_mac_inet_side = 02:cf:69:15:81:01, +inet_mac = 90:e2:ba:94:2a:bc +aftr_mac_b4_side = 02:cf:69:15:81:01, +next_hop6_mac = 90:e2:ba:94:2a:bc, +ipv4_mtu = 9000, +ipv6_mtu = 9000, +v4_vlan_tag = 1092, # 0x444 +v6_vlan_tag = 1638, # 0x666 +vlan_tagging = true diff --git a/src/program/snabbvmx/tests/end-to-end/end-to-end-vlan.sh b/src/program/snabbvmx/tests/end-to-end/end-to-end-vlan.sh new file mode 100755 index 0000000000..1711ec248b --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/end-to-end-vlan.sh @@ -0,0 +1,3 @@ +#!/usr/bin/env bash + +TEST_BASE=data/vlan ./core-end-to-end.sh $@ diff --git a/src/program/snabbvmx/tests/end-to-end/end-to-end.sh b/src/program/snabbvmx/tests/end-to-end/end-to-end.sh new file mode 100755 index 0000000000..f68288524e --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/end-to-end.sh @@ -0,0 +1,3 @@ +#!/usr/bin/env bash + +TEST_BASE=data ./core-end-to-end.sh $@ diff --git a/src/program/snabbvmx/tests/end-to-end/selftest.sh b/src/program/snabbvmx/tests/end-to-end/selftest.sh new file mode 100755 index 0000000000..f31ef23822 --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/selftest.sh @@ -0,0 +1,4 @@ +#!/bin/sh +cd "`dirname \"$0\"`" +./end-to-end.sh +./end-to-end-vlan.sh diff --git a/src/program/snabbvmx/tests/end-to-end/test_env.sh b/src/program/snabbvmx/tests/end-to-end/test_env.sh new file mode 100644 index 0000000000..0fb9755434 --- /dev/null +++ b/src/program/snabbvmx/tests/end-to-end/test_env.sh @@ -0,0 +1,60 @@ +#/usr/bin/env bash + +COUNTERS="data/counters" +EMPTY="data/empty.pcap" +TEST_INDEX=0 + +export COUNTERS + +function read_column { + echo "${TEST_DATA[$1]}" +} + +function read_column_pcap { + index=$1 + column="${TEST_DATA[$index]}" + if [[ ${#column} == 0 ]]; then + echo "${EMPTY}" + else + echo "${TEST_BASE}/$column" + fi +} + +function print_test_name { + test_name="$(read_column $TEST_INDEX)" + echo "Testing: $test_name" +} + +function read_test_data { + conf="${TEST_BASE}/$(read_column $((TEST_INDEX + 1)))" + in_v4=$(read_column_pcap $((TEST_INDEX + 2))) + in_v6=$(read_column_pcap $((TEST_INDEX + 3))) + out_v4=$(read_column_pcap $((TEST_INDEX + 4))) + out_v6=$(read_column_pcap $((TEST_INDEX + 5))) + counters="${COUNTERS}/$(read_column $((TEST_INDEX + 6)))" + echo $conf $in_v4 $in_v6 $out_v4 $out_v6 $counters +} + +function next_test { + TEST_INDEX=$(($TEST_INDEX + 7)) + if [[ $TEST_INDEX -lt $TEST_SIZE ]]; then + return 0 + else + return 1 + fi +} + +# Contains an array of test cases. +# +# A test case is a group of 7 data fields, structured as 3 rows: +# - "test_name" +# - "snabbvmx_conf" "v4_in.pcap" "v6_in.pcap" "v4_out.pcap" "v6_out.pcap" +# - "counters" +# +# Notice spaces and new lines are not taken into account. +TEST_DATA=( + "IPv6 fragments and fragmentation is off" + "snabbvmx-lwaftr-xe1.cfg" "" "regressiontest-signedntohl-frags.pcap" "" "" + "drop-all-ipv6-fragments.lua" +) +TEST_SIZE=${#TEST_DATA[@]} From 7277beca69e50536a1a6d8e861301855e5220a40 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Fri, 7 Oct 2016 11:42:37 +0200 Subject: [PATCH 278/340] Make the run, run_nowh and transient lwAftr subcommands output CSV data to a file (#472) Make the run, run_nowh and transient subcommands output CSV data to a file; also add the -y option to the run subcommand --- src/program/lwaftr/run/README | 18 ++++++++++ src/program/lwaftr/run/run.lua | 38 ++++++++++++---------- src/program/lwaftr/run_nohw/README | 17 ++++++++++ src/program/lwaftr/run_nohw/README.inc | 9 +---- src/program/lwaftr/run_nohw/run_nohw.lua | 20 +++++++----- src/program/lwaftr/transient/README | 15 ++++++--- src/program/lwaftr/transient/transient.lua | 10 ++++-- 7 files changed, 84 insertions(+), 43 deletions(-) create mode 100644 src/program/lwaftr/run_nohw/README mode change 100644 => 120000 src/program/lwaftr/run_nohw/README.inc diff --git a/src/program/lwaftr/run/README b/src/program/lwaftr/run/README index 2a462956f5..386a05d2e3 100644 --- a/src/program/lwaftr/run/README +++ b/src/program/lwaftr/run/README @@ -17,3 +17,21 @@ Optional arguments: address set by "lwaftr monitor". -D Duration in seconds -v Verbose (repeat for more verbosity) + -y HYDRA, --hydra + Hydra mode: emit CSV data in the format expected + by the Hydra reports. For instance: + + benchmark,snabb,id,score,unit + + rather than the default: + + Time (s),Decap. MPPS,Decap. Gbps,Encap. MPPS,Encap. Gbps + --bench-file FILENAME + The file or path name to which benchmark data is + written. A simple filename or relative pathname + will be based on the current directory. Default + is "bench.csv". + +When the -v option is used at least once, packets on the network interfaces are +counted and recorded, and the corresponding incoming and outgoing packet rates +are written to a file in CSV format, suitable for passing to a graphing program. diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index 43cc0bc307..401554d141 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -39,19 +39,18 @@ function parse_args(args) if #args == 0 then show_usage(1) end local conf_file, v4, v6 local ring_buffer_size - local opts = { verbosity = 0, ingress_drop_monitor = 'flush' } + local opts = { + verbosity = 0, ingress_drop_monitor = 'flush', bench_file = 'bench.csv' } local handlers = {} local cpu function handlers.v () opts.verbosity = opts.verbosity + 1 end function handlers.i () opts.virtio_net = true end function handlers.D (arg) opts.duration = assert(tonumber(arg), "duration must be a number") + assert(opts.duration >= 0, "duration can't be negative") end function handlers.c(arg) conf_file = arg - if not arg then - fatal("Argument '--conf' was not set") - end if not file_exists(conf_file) then fatal(("Couldn't locate configuration file at %s"):format(conf_file)) end @@ -69,9 +68,6 @@ function parse_args(args) end function handlers.v4(arg) v4 = arg - if not arg then - fatal("Argument '--v4' was not set") - end if not nic_exists(v4) then fatal(("Couldn't locate NIC with PCI address '%s'"):format(v4)) end @@ -82,9 +78,6 @@ function parse_args(args) end function handlers.v6(arg) v6 = arg - if not v6 then - fatal("Argument '--v6' was not set") - end if not nic_exists(v6) then fatal(("Couldn't locate NIC with PCI address '%s'"):format(v6)) end @@ -113,12 +106,16 @@ function parse_args(args) handlers["mirror"] = function (ifname) opts["mirror"] = ifname end + function handlers.y() opts.hydra = true end + handlers["bench-file"] = function (bench_file) + opts.bench_file = bench_file + end function handlers.h() show_usage(0) end - lib.dogetopt(args, handlers, "b:c:vD:hir:", + lib.dogetopt(args, handlers, "b:c:vD:yhir:", { conf = "c", v4 = 1, v6 = 1, ["v4-pci"] = 1, ["v6-pci"] = 1, verbose = "v", duration = "D", help = "h", virtio = "i", cpu = 1, - ["ring-buffer-size"] = "r", ["real-time"] = 0, - ["ingress-drop-monitor"] = 1, ["on-a-stick"] = 1, mirror = 1 }) + ["ring-buffer-size"] = "r", ["real-time"] = 0, ["bench-file"] = 0, + ["ingress-drop-monitor"] = 1, ["on-a-stick"] = 1, mirror = 1, hydra = "y" }) if ring_buffer_size ~= nil then if opts.virtio_net then fatal("setting --ring-buffer-size does not work with --virtio") @@ -175,13 +172,18 @@ function run(args) end if opts.verbosity >= 1 then - local csv = csv_stats.CSVStatsTimer.new() + local csv = csv_stats.CSVStatsTimer.new(opts.csv_file, opts.hydra) + -- Why are the names cross-referenced like this? + local ipv4_tx = opts.hydra and 'ipv4rx' or 'IPv4 RX' + local ipv4_rx = opts.hydra and 'ipv4tx' or 'IPv4 TX' + local ipv6_tx = opts.hydra and 'ipv6rx' or 'IPv6 RX' + local ipv6_rx = opts.hydra and 'ipv6tx' or 'IPv6 TX' if use_splitter then - csv:add_app('v4v6', { 'v4', 'v4' }, { tx='IPv4 RX', rx='IPv4 TX' }) - csv:add_app('v4v6', { 'v6', 'v6' }, { tx='IPv6 RX', rx='IPv6 TX' }) + csv:add_app('v4v6', { 'v4', 'v4' }, { tx=ipv4_tx, rx=ipv4_rx }) + csv:add_app('v4v6', { 'v6', 'v6' }, { tx=ipv6_tx, rx=ipv6_rx }) else - csv:add_app('inetNic', { 'tx', 'rx' }, { tx='IPv4 RX', rx='IPv4 TX' }) - csv:add_app('b4sideNic', { 'tx', 'rx' }, { tx='IPv6 RX', rx='IPv6 TX' }) + csv:add_app('inetNic', { 'tx', 'rx' }, { tx=ipv4_tx, rx=ipv4_rx }) + csv:add_app('b4sideNic', { 'tx', 'rx' }, { tx=ipv6_tx, rx=ipv6_rx }) end csv:activate() end diff --git a/src/program/lwaftr/run_nohw/README b/src/program/lwaftr/run_nohw/README new file mode 100644 index 0000000000..35cf6dafec --- /dev/null +++ b/src/program/lwaftr/run_nohw/README @@ -0,0 +1,17 @@ +Usage: run-nohw --help + run-nohw --conf PATH --b4-if NAME --inet-if NAME [--verbose] + + --conf, -c PATH Path to the lwAFTR configuration file. + --b4-if, -B NAME Name of the B4-side network interface. + --inet-if, -I NAME Name of the Internet-side network interface. + --verbose, -v Be verbose. Can be used multiple times. + --bench-file FILENAME + The file or path name to which benchmark data is + written. A simple filename or relative pathname + will be based on the current directory. Default + is "bench.csv". + --help, -h Show this help message. + +When the -v option is used at least once, packets on the network interfaces are +counted and recorded, and the corresponding incoming and outgoing packet rates +are written to a file in CSV format, suitable for passing to a graphing program. diff --git a/src/program/lwaftr/run_nohw/README.inc b/src/program/lwaftr/run_nohw/README.inc deleted file mode 100644 index 0b2a87f77f..0000000000 --- a/src/program/lwaftr/run_nohw/README.inc +++ /dev/null @@ -1,8 +0,0 @@ -Usage: run-nohw --help - run-nohw --conf PATH --b4-if NAME --inet-if NAME [--verbose] - - --conf, -c PATH Path to the lwAFTR configuration file. - --b4-if, -B NAME Name of the B4-side network interface. - --inet-if, -I NAME Name of the Internet-side network interface. - --verbose, -v Be verbose. Can be used multiple times. - --help, -h Show this help message. diff --git a/src/program/lwaftr/run_nohw/README.inc b/src/program/lwaftr/run_nohw/README.inc new file mode 120000 index 0000000000..100b93820a --- /dev/null +++ b/src/program/lwaftr/run_nohw/README.inc @@ -0,0 +1 @@ +README \ No newline at end of file diff --git a/src/program/lwaftr/run_nohw/run_nohw.lua b/src/program/lwaftr/run_nohw/run_nohw.lua index 9563b2de25..c7d6d92f1a 100644 --- a/src/program/lwaftr/run_nohw/run_nohw.lua +++ b/src/program/lwaftr/run_nohw/run_nohw.lua @@ -22,41 +22,43 @@ end local function parse_args(args) local verbosity = 0 local conf_file, b4_if, inet_if + local bench_file = 'bench.csv' local handlers = { v = function () verbosity = verbosity + 1 end; c = function (arg) - check(arg, "argument to '--conf' not specified") check(file_exists(arg), "no such file '%s'", arg) conf_file = arg end; B = function (arg) - check(arg, "argument to '--b4-if' not specified") b4_if = arg end; I = function (arg) - check(arg, "argument to '--inet-if' not specified") inet_if = arg end; + ["bench-file"] = function (arg) + bench_file = arg + end; h = function (arg) - print(require("program.lwaftr.run_nohw.README_inc")) - main.exit(0) - end; + print(require("program.lwaftr.run_nohw.README_inc")) + main.exit(0) + end; } lib.dogetopt(args, handlers, "b:c:B:I:vh", { help = "h", conf = "c", verbose = "v", ["b4-if"] = "B", ["inet-if"] = "I", + bench_file = 0, }) check(conf_file, "no configuration specified (--conf/-c)") check(b4_if, "no B4-side interface specified (--b4-if/-B)") check(inet_if, "no Internet-side interface specified (--inet-if/-I)") - return verbosity, conf_file, b4_if, inet_if + return verbosity, conf_file, b4_if, inet_if, bench_file end function run(parameters) - local verbosity, conf_file, b4_if, inet_if = parse_args(parameters) + local verbosity, conf_file, b4_if, inet_if, bench_file = parse_args(parameters) local c = config.new() -- AFTR @@ -75,7 +77,7 @@ function run(parameters) config.link(c, "aftr.v6 -> b4if.rx") if verbosity >= 1 then - local csv = CSVStatsTimer.new() + local csv = CSVStatsTimer.new(csv_file) csv:add_app("inet", {"tx", "rx"}, { tx = "IPv4 TX", rx = "IPv4 RX" }) csv:add_app("tob4", {"tx", "rx"}, { tx = "IPv6 TX", rx = "IPv6 RX" }) csv:activate() diff --git a/src/program/lwaftr/transient/README b/src/program/lwaftr/transient/README index 98bb343bcf..62791c87a0 100644 --- a/src/program/lwaftr/transient/README +++ b/src/program/lwaftr/transient/README @@ -8,6 +8,11 @@ Usage: transient [OPTIONS] [ ].. Linger on each step for DURATION seconds. -p period, --period PERIOD Measure each PERIOD seconds. + --bench-file FILENAME + The file or path name to which benchmark data is + written. A simple filename or relative pathname + will be based on the current directory. Default + is "bench.csv". -h, --help Print usage information. @@ -19,11 +24,11 @@ increments of 1 Gbps, lingering for 5 seconds at each step. Once the peak bitrate is reached, back down the same way until 0 is reached, and end the test. -Packets received on the network interfaces are counted and recorded, and -the corresponding incoming and outgoing packet rates are written to -standard output in CSV format, suitable for passing to a graphing -program. The NAME values are used to label the columns. Measurements -will be taken each PERIOD seconds, which defaults to 1. +Packets received on the network interfaces are counted and recorded, and the +corresponding incoming and outgoing packet rates are written to a file in CSV +format, suitable for passing to a graphing program. The NAME values are used +to label the columns. Measurements will be taken each PERIOD seconds, which +defaults to 1. Examples: transient cap1.pcap tx 01:00.0 diff --git a/src/program/lwaftr/transient/transient.lua b/src/program/lwaftr/transient/transient.lua index f93a6ba7b0..e206ba6288 100644 --- a/src/program/lwaftr/transient/transient.lua +++ b/src/program/lwaftr/transient/transient.lua @@ -46,7 +46,8 @@ end function parse_args(args) local handlers = {} - local opts = { bitrate = 10e9, duration = 5, period = 1 } + local opts = { + bitrate = 10e9, duration = 5, period = 1, bench_file = 'bench.csv' } function handlers.b(arg) opts.bitrate = assert(tonumber(arg), 'bitrate must be a number') end @@ -59,10 +60,13 @@ function parse_args(args) function handlers.p(arg) opts.period = assert(tonumber(arg), 'period must be a number') end + handlers["bench-file"] = function(bench_file) + opts.bench_file = bench_file + end function handlers.h() show_usage(0) end args = lib.dogetopt(args, handlers, "hb:s:D:p:", { bitrate="b", step="s", duration="D", period="p", - help="h" }) + ["bench-file"]=0, help="h" }) if not opts.step then opts.step = opts.bitrate / 10 end assert(opts.bitrate > 0, 'bitrate must be positive') assert(opts.step > 0, 'step must be positive') @@ -124,7 +128,7 @@ function run(args) rate_adjuster() timer.activate(timer.new("adjust_rate", rate_adjuster, opts.duration * 1e9, 'repeating')) - local csv = csv_stats.CSVStatsTimer.new() + local csv = csv_stats.CSVStatsTimer.new(opts.csv_file) for _,stream in ipairs(streams) do csv:add_app(stream.nic_id, { 'rx', 'tx' }, { rx=stream.name..' TX', tx=stream.name..' RX' }) From dcd1a45daf27c10077e3ae926244877e2df7320f Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Fri, 7 Oct 2016 16:33:17 +0200 Subject: [PATCH 279/340] doc/genbook.sh: add missing apps to documentation. --- src/apps/tap/README.md | 26 ++++++++++++++++++-------- src/apps/vlan/README.md | 2 +- src/doc/genbook.sh | 10 ++++++++++ 3 files changed, 29 insertions(+), 9 deletions(-) diff --git a/src/apps/tap/README.md b/src/apps/tap/README.md index 87768f9e61..1aa01087f3 100644 --- a/src/apps/tap/README.md +++ b/src/apps/tap/README.md @@ -1,15 +1,25 @@ -# Linux tap app (apps.tap.tap) +# Tap app (apps.tap.tap) -The `Tap` app is used to interact with a linux tap device. +The `Tap` app is used to interact with a Linux [tap](https://www.kernel.org/doc/Documentation/networking/tuntap.txt) +device. Packets transmitted on the `input` port will be sent over the tap +device, and packets that arrive on the tap device can be received on the +`output` port. -``` -config.app(c, "tap", tap.Tap, "Tap345") ---- tap.input and tap.output are the associated links -``` + DIAGRAM: Tap + +-------+ + | | + input --->* Tap *----> output + | | + +-------+ + +## Configuration + +The `Tap` app accepts a string that identifies an existing tap interface. + +The Tap device can be configured using standard Linux tools: -The Tap device should exist with any customisation already applied. ``` ip tuntap add Tap345 mode tap ip link set up dev Tap345 ip link set address 02:01:02:03:04:08 dev Tap0 -``` \ No newline at end of file +``` diff --git a/src/apps/vlan/README.md b/src/apps/vlan/README.md index e47ee1787b..2a1f448b2d 100644 --- a/src/apps/vlan/README.md +++ b/src/apps/vlan/README.md @@ -1,4 +1,4 @@ -# VLAN +# VLAN Apps There are three VLAN related apps, `Tagger`, `Untagger` and `VlanMux`. The `Tagger` and `Untagger` apps add or remove a VLAN tag whereas the `VlanMux` app diff --git a/src/doc/genbook.sh b/src/doc/genbook.sh index 72aa2181c8..80eeca2e2c 100755 --- a/src/doc/genbook.sh +++ b/src/doc/genbook.sh @@ -48,12 +48,22 @@ $(cat $mdroot/apps/ipv6/README.md) $(cat $mdroot/apps/vhost/README.md) +$(cat $mdroot/apps/virtio_net/README.md) + $(cat $mdroot/apps/pcap/README.md) $(cat $mdroot/apps/vpn/README.md) $(cat $mdroot/apps/socket/README.md) +$(cat $mdroot/apps/tap/README.md) + +$(cat $mdroot/apps/vlan/README.md) + +$(cat $mdroot/apps/bridge/README.md) + +$(cat $mdroot/apps/test/README.md) + # Libraries $(cat $mdroot/lib/README.checksum.md) From 7cc37b43e3ed91e977b985b9242d77ffeb9a4e61 Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Thu, 13 Oct 2016 16:51:31 +0200 Subject: [PATCH 280/340] documentation: minor formatting fixes. --- src/apps/bridge/README.md | 8 ++++---- src/lib/ipsec/README.md | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/src/apps/bridge/README.md b/src/apps/bridge/README.md index 3a1f06da05..4788365f22 100644 --- a/src/apps/bridge/README.md +++ b/src/apps/bridge/README.md @@ -41,18 +41,18 @@ names. The default is no split-horizon groups. *Optional*. The configuration of the actual bridge implementation. -# Flooding bridge (apps.bridge.flooding) +## Flooding bridge (apps.bridge.flooding) The flooding `bridge` app implements the simplest possible bridge, which floods a packet arriving on an input port to all output ports within its scope according to the split-horizon topology. -## Configuration +### Configuration The flooding `bridge` app ignores the *config* key of its configuration. -# Learning bridge (apps.bridge.learning) +## Learning bridge (apps.bridge.learning) The learning `bridge` app implements a *learning bridge* using a custom hash table to store the set of MAC source addresses of packets @@ -63,7 +63,7 @@ flooded to all output ports. Multicast MAC addresses are always flooded to all output ports associated with the input port. The scoping rules according to the split-horizon topology apply unchanged. -## Configuration +### Configuration The learning `bridge` app accepts a table as the value of the *config* key of its configuration. The following keys are defined: diff --git a/src/lib/ipsec/README.md b/src/lib/ipsec/README.md index 6c6f58f7cb..bea19c7e69 100644 --- a/src/lib/ipsec/README.md +++ b/src/lib/ipsec/README.md @@ -40,7 +40,7 @@ be a table with the following keys: are accepted. The default is 128. (`esp_v6_decrypt` only.) * `resync_threshold` - *Optional*. Number of consecutive packets allowed to fail decapsulation before attempting re-synchronization. The default is - 10000. (`esp_v6_decrypt` only.) + 10,000. (`esp_v6_decrypt` only.) * `resync_attempts` - *Optional*. Number of attempts to re-synchronize a packet that triggered re-synchronization. The default is 10. (`esp_v6_decrypt` only.) From 938594d740ca55f278a98fdcee9ee12322259cd6 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 8 Jun 2016 16:28:06 +0200 Subject: [PATCH 281/340] Fix assumptions that packet == packet.data --- src/apps/lwaftr/fragmentv6.lua | 2 +- src/core/packet.lua | 2 +- src/lib/ipsec/esp.lua | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/src/apps/lwaftr/fragmentv6.lua b/src/apps/lwaftr/fragmentv6.lua index 0aba639f8e..56ee61681c 100644 --- a/src/apps/lwaftr/fragmentv6.lua +++ b/src/apps/lwaftr/fragmentv6.lua @@ -73,7 +73,7 @@ local function _reassemble_validated(fragments, fragment_offsets, fragment_lengt -- Copy the original headers; this automatically does the right thing in the face of vlans. local fixed_headers_size = l2_size + constants.ipv6_fixed_header_size - ffi.copy(repkt.data, first_fragment, l2_size + constants.ipv6_fixed_header_size) + ffi.copy(repkt.data, first_fragment.data, l2_size + constants.ipv6_fixed_header_size) -- Update the next header; it's not a fragment anymore repkt.data[l2_size + constants.o_ipv6_next_header] = ipv6_next_header diff --git a/src/core/packet.lua b/src/core/packet.lua index 1f8fc579a8..3689aef27e 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -74,7 +74,7 @@ end -- Create an exact copy of a packet. function clone (p) local p2 = allocate() - ffi.copy(p2, p, p.length) + ffi.copy(p2.data, p.data, p.length) p2.length = p.length return p2 end diff --git a/src/lib/ipsec/esp.lua b/src/lib/ipsec/esp.lua index d011fe56a5..a9ca071f18 100644 --- a/src/lib/ipsec/esp.lua +++ b/src/lib/ipsec/esp.lua @@ -200,7 +200,7 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ local p2 = packet.clone(p_enc) assert(dec:decapsulate(p2), "decapsulation failed") print("decrypted", lib.hexdump(ffi.string(p2.data, p2.length))) - assert(p2.length == p.length and C.memcmp(p, p2, p.length) == 0, + assert(p2.length == p.length and C.memcmp(p.data, p2.data, p.length) == 0, "integrity check failed") -- Check invalid packets. local p_invalid = packet.from_string("invalid") @@ -221,7 +221,7 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ print("decrypted", lib.hexdump(ffi.string(e_min.data, e_min.length))) assert(e_min.length == PAYLOAD_OFFSET) assert(p_min.length == e_min.length - and C.memcmp(p_min, e_min, p_min.length) == 0, + and C.memcmp(p_min.data, e_min.data, p_min.length) == 0, "integrity check failed") -- Check transmitted Sequence Number wrap around C.memset(dec.window, 0, dec.window_size / 8); -- clear window From 5416f9c438ecdd64cc1e416eeb8dfece94d7aaec Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 9 Jun 2016 17:33:45 +0200 Subject: [PATCH 282/340] lwaftr is resilient to changes in p.data --- src/apps/lwaftr/lwaftr.lua | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 7a9563849c..ca8d1648b1 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -380,7 +380,10 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) local payload_length = get_ethernet_payload_length(pkt) local l3_header = get_ethernet_payload(pkt) local dscp_and_ecn = get_ipv4_dscp_and_ecn(l3_header) + -- Note that this may invalidate any pointer into pkt.data. Be warned! packet.shiftright(pkt, ipv6_fixed_header_size) + -- Fetch possibly-moved L3 header location. + l3_header = get_ethernet_payload(pkt) write_eth_header(pkt.data, ether_src, ether_dst, n_ethertype_ipv6) write_ipv6_header(l3_header, ipv6_src, ipv6_dst, dscp_and_ecn, next_hdr_type, payload_length) @@ -563,6 +566,7 @@ local function flush_decapsulation(lwstate) and ipv6_equals(get_ipv6_src_address(ipv6_header), b4_addr) and ipv6_equals(get_ipv6_dst_address(ipv6_header), br_addr)) then -- Source softwire is valid; decapsulate and forward. + -- Note that this may invalidate any pointer into pkt.data. Be warned! packet.shiftleft(pkt, ipv6_fixed_header_size) write_eth_header(pkt.data, lwstate.aftr_mac_inet_side, lwstate.inet_mac, n_ethertype_ipv4) From 71679a56cb40ccc041f61d8522db9c6a5dd98d39 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 7 Jun 2016 13:27:04 +0000 Subject: [PATCH 283/340] Implement shiftleft/shiftright by moving packet around Instead of memmoving a packet's data around this patch instead moves around the packet pointer itself. The only performance testing I did was "snabb lwaftr bench", where it appears to be neutral-to-slight-win. I am hoping that the Hydra/R scientists can help me out on this one. This change to the packet structure does have a knock-on effect, in two significant ways. One is that the shiftleft, shiftright, and prepend functions now return a new packet pointer and silently corrupt the old one (because probably they shifted around the data but still had to update the new "length" pointer). That's somewhat OK though. The problem comes in the datagram library, which sometimes wants to work on a user-supplied packet. The sequence was: local dgram = datagram:new(pkt) dgram:push(....) dgram:free() ... foo(pkt) This pattern is no longer valid :( The reason is that the datagram methods that mutate a packet often do so by packet.prepend(). The datagram library updates its internal packet pointer, but the external one that was initially passed in is no longer valid. So much of this patch is visiting (hopefully) all of the uses/users and updating them. --- src/apps/ipv6/nd_light.lua | 5 ++- src/apps/keyed_ipv6_tunnel/tunnel.lua | 4 +- src/apps/lwaftr/generator.lua | 2 +- src/apps/lwaftr/icmp.lua | 5 ++- src/apps/lwaftr/lwaftr.lua | 4 +- src/apps/lwaftr/ndp.lua | 19 ++++---- src/core/packet.h | 2 +- src/core/packet.lua | 64 +++++++++++++++++++++------ src/lib/protocol/datagram.lua | 7 +-- 9 files changed, 78 insertions(+), 34 deletions(-) diff --git a/src/apps/ipv6/nd_light.lua b/src/apps/ipv6/nd_light.lua index 3147e5a333..6ce9985246 100644 --- a/src/apps/ipv6/nd_light.lua +++ b/src/apps/ipv6/nd_light.lua @@ -123,7 +123,6 @@ function nd_light:new (conf) -- Prepare packet for solicitation of next hop local nh = { nsent = 0 } local dgram = datagram:new() - nh.packet = dgram:packet() local sol_node_mcast = ipv6:solicited_node_mcast(conf.next_hop) local ipv6 = ipv6:new({ next_header = 58, -- ICMP6 hop_limit = 255, @@ -148,6 +147,7 @@ function nd_light:new (conf) dgram:push(ethernet:new({ src = conf.local_mac, dst = ethernet:ipv6_mcast(sol_node_mcast), type = 0x86dd })) + nh.packet = dgram:packet() dgram:free() -- Timer for retransmits of neighbor solicitations @@ -176,7 +176,6 @@ function nd_light:new (conf) -- Prepare packet for solicited neighbor advertisement local sna = {} dgram = datagram:new() - sna.packet = dgram:packet() -- Leave dst address unspecified. It will be set to the source of -- the incoming solicitation ipv6 = ipv6:new({ next_header = 58, -- ICMP6 @@ -197,6 +196,8 @@ function nd_light:new (conf) -- Leave dst address unspecified. dgram:push(ethernet:new({ src = conf.local_mac, type = 0x86dd })) + sna.packet = dgram:packet() + -- Parse the headers we want to modify later on from our template -- packet. dgram = dgram:new(sna.packet, ethernet) diff --git a/src/apps/keyed_ipv6_tunnel/tunnel.lua b/src/apps/keyed_ipv6_tunnel/tunnel.lua index ad78f36cfd..ab23384fa3 100644 --- a/src/apps/keyed_ipv6_tunnel/tunnel.lua +++ b/src/apps/keyed_ipv6_tunnel/tunnel.lua @@ -194,7 +194,7 @@ function SimpleKeyedTunnel:push() while not link.empty(l_in) do local p = link.receive(l_in) - packet.prepend(p, self.header, HEADER_SIZE) + p = packet.prepend(p, self.header, HEADER_SIZE) local plength = ffi.cast(plength_ctype, p.data + LENGTH_OFFSET) plength[0] = lib.htons(SESSION_COOKIE_SIZE + p.length - HEADER_SIZE) link.transmit(l_out, p) @@ -249,7 +249,7 @@ function SimpleKeyedTunnel:push() -- discard packet packet.free(p) else - packet.shiftleft(p, HEADER_SIZE) + p = packet.shiftleft(p, HEADER_SIZE) link.transmit(l_out, p) end end diff --git a/src/apps/lwaftr/generator.lua b/src/apps/lwaftr/generator.lua index 258692490c..8253c8c830 100644 --- a/src/apps/lwaftr/generator.lua +++ b/src/apps/lwaftr/generator.lua @@ -279,7 +279,7 @@ function ipv6_encapsulate(ipv4_pkt, params) local payload_length = p.length - ethernet_header_size local dscp_and_ecn = p.data[ethernet_header_size + IPV4_DSCP_AND_ECN_OFFSET] - packet.shiftright(p, ipv6_header_size) + p = packet.shiftright(p, ipv6_header_size) -- IPv6 packet is tagged if params.vlan_tag then diff --git a/src/apps/lwaftr/icmp.lua b/src/apps/lwaftr/icmp.lua index 7def8ef9cf..01b224d82f 100644 --- a/src/apps/lwaftr/icmp.lua +++ b/src/apps/lwaftr/icmp.lua @@ -85,8 +85,9 @@ function new_icmpv4_packet(from_eth, to_eth, from_ip, to_ip, initial_pkt, l2_siz protocol = constants.proto_icmp, src = from_ip, dst = to_ip}) dgram:push(ipv4_header) + new_pkt = dgram:packet() ipv4_header:free() - packet.shiftright(new_pkt, l2_size) + new_pkt = packet.shiftright(new_pkt, l2_size) write_eth_header(new_pkt.data, from_eth, to_eth, constants.n_ethertype_ipv4, config.vlan_tag) -- Generate RFC 1812 ICMPv4 packets, which carry as much payload as they can, @@ -126,7 +127,7 @@ function new_icmpv6_packet(from_eth, to_eth, from_ip, to_ip, initial_pkt, l2_siz next_header = constants.proto_icmpv6, src = from_ip, dst = to_ip}) dgram:push(ipv6_header) - packet.shiftright(new_pkt, l2_size) + new_pkt = packet.shiftright(dgram:packet(), l2_size) write_eth_header(new_pkt.data, from_eth, to_eth, constants.n_ethertype_ipv6, config.vlan_tag) local max_size = constants.max_icmpv6_packet_size diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index ca8d1648b1..4ebe3a2574 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -381,7 +381,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) local l3_header = get_ethernet_payload(pkt) local dscp_and_ecn = get_ipv4_dscp_and_ecn(l3_header) -- Note that this may invalidate any pointer into pkt.data. Be warned! - packet.shiftright(pkt, ipv6_fixed_header_size) + pkt = packet.shiftright(pkt, ipv6_fixed_header_size) -- Fetch possibly-moved L3 header location. l3_header = get_ethernet_payload(pkt) write_eth_header(pkt.data, ether_src, ether_dst, n_ethertype_ipv6) @@ -567,7 +567,7 @@ local function flush_decapsulation(lwstate) and ipv6_equals(get_ipv6_dst_address(ipv6_header), br_addr)) then -- Source softwire is valid; decapsulate and forward. -- Note that this may invalidate any pointer into pkt.data. Be warned! - packet.shiftleft(pkt, ipv6_fixed_header_size) + pkt = packet.shiftleft(pkt, ipv6_fixed_header_size) write_eth_header(pkt.data, lwstate.aftr_mac_inet_side, lwstate.inet_mac, n_ethertype_ipv4) transmit_ipv4(lwstate, pkt) diff --git a/src/apps/lwaftr/ndp.lua b/src/apps/lwaftr/ndp.lua index c2c5f29535..1c21ad3293 100644 --- a/src/apps/lwaftr/ndp.lua +++ b/src/apps/lwaftr/ndp.lua @@ -214,17 +214,18 @@ function form_ns(local_eth, local_ipv6, dst_ipv6) local i = ipv6:new({ hop_limit = hop_limit, next_header = proto_icmpv6, src = local_ipv6, dst = dst_ipv6 }) - i:payload_length(ns_pkt.length) + i:payload_length(dgram:packet().length) - local ph = i:pseudo_header(ns_pkt.length, proto_icmpv6) + local ph = i:pseudo_header(dgram:packet().length, proto_icmpv6) ph_len = ipv6_pseudoheader_size local base_checksum = checksum.ipsum(ffi.cast("uint8_t*", ph), ph_len, 0) - local csum = checksum.ipsum(ns_pkt.data, ns_pkt.length, bit.bnot(base_checksum)) - wr16(ns_pkt.data + 2, C.htons(csum)) + local csum = checksum.ipsum(dgram:packet().data, dgram:packet().length, bit.bnot(base_checksum)) + wr16(dgram:packet().data + 2, C.htons(csum)) dgram:push(i) dgram:push(ethernet:new({ src = local_eth, dst = ethernet_broadcast, type = ethertype_ipv6 })) + ns_pkt = dgram:packet() dgram:free() return ns_pkt end @@ -257,17 +258,19 @@ local function form_sna(local_eth, local_ipv6, is_router, soliciting_pkt) local i = ipv6:new({ hop_limit = hop_limit, next_header = proto_icmpv6, src = local_ipv6, dst = dst_ipv6 }) - i:payload_length(na_pkt.length) + i:payload_length(dgram:packet().length) - local ph = i:pseudo_header(na_pkt.length, proto_icmpv6) + local ph = i:pseudo_header(dgram:packet().length, proto_icmpv6) ph_len = ipv6_pseudoheader_size local base_checksum = checksum.ipsum(ffi.cast("uint8_t*", ph), ph_len, 0) - local csum = checksum.ipsum(na_pkt.data, na_pkt.length, bit.bnot(base_checksum)) - wr16(na_pkt.data + 2, C.htons(csum)) + local csum = checksum.ipsum(dgram:packet().data, dgram:packet().length, + bit.bnot(base_checksum)) + wr16(dgram:packet().data + 2, C.htons(csum)) dgram:push(i) dgram:push(ethernet:new({ src = local_eth, dst = dst_eth, type = ethertype_ipv6 })) + na_pkt = dgram:packet() dgram:free() return na_pkt end diff --git a/src/core/packet.h b/src/core/packet.h index de57e390c0..a5dcac9a5f 100644 --- a/src/core/packet.h +++ b/src/core/packet.h @@ -5,7 +5,7 @@ enum { PACKET_PAYLOAD_SIZE = 10*1024 }; // Packet of network data, with associated metadata. struct packet { - unsigned char data[PACKET_PAYLOAD_SIZE]; uint16_t length; // data payload length + unsigned char data[PACKET_PAYLOAD_SIZE]; }; diff --git a/src/core/packet.lua b/src/core/packet.lua index 3689aef27e..652c747118 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -5,6 +5,7 @@ module(...,package.seeall) local debug = _G.developer_debug local ffi = require("ffi") +local bit = require("bit") local C = ffi.C local lib = require("core.lib") @@ -16,9 +17,14 @@ require("core.packet_h") local packet_t = ffi.typeof("struct packet") local packet_ptr_t = ffi.typeof("struct packet *") local packet_size = ffi.sizeof(packet_t) -local header_size = 8 max_payload = tonumber(C.PACKET_PAYLOAD_SIZE) +-- For operations that add or remove headers from the beginning of a +-- packet, instead of copying around the payload we just move the +-- packet structure as a whole around. +local packet_alignment = 512 +local default_headroom = 256 + -- Freelist containing empty packets ready for use. ffi.cdef[[ @@ -66,17 +72,16 @@ end -- Create a new empty packet. function new_packet () - local p = ffi.cast(packet_ptr_t, memory.dma_alloc(packet_size)) + local base = memory.dma_alloc(packet_size + packet_alignment, + packet_alignment) + local p = ffi.cast(packet_ptr_t, base + default_headroom) p.length = 0 return p end -- Create an exact copy of a packet. function clone (p) - local p2 = allocate() - ffi.copy(p2.data, p.data, p.length) - p2.length = p.length - return p2 + return from_pointer(p.data, p.length) end -- Append data to the end of a packet. @@ -89,25 +94,55 @@ end -- Prepend data to the start of a packet. function prepend (p, ptr, len) - assert(p.length + len <= max_payload, "packet payload overflow") - C.memmove(p.data + len, p.data, p.length) -- Move the existing payload + p = shiftright(p, len) ffi.copy(p.data, ptr, len) -- Fill the gap - p.length = p.length + len return p end -- Move packet data to the left. This shortens the packet by dropping -- the header bytes at the front. function shiftleft (p, bytes) - C.memmove(p.data, p.data+bytes, p.length-bytes) - p.length = p.length - bytes + assert(bytes >= 0 and bytes <= p.length) + local ptr = ffi.cast("char*", p) + local len = p.length + local headroom = bit.band(ffi.cast("uint64_t", ptr), packet_alignment - 1) + -- We only have a certain amount of headroom, otherwise the end of + -- p.data will point out of our allocation. If we're withing the + -- alignment wiggle room, just move the packet around. Otherwise + -- copy the payload, but also reset the headroom at the same time. + if bytes + headroom < packet_alignment then + p = ffi.cast(packet_ptr_t, ptr + bytes) + p.length = len - bytes + return p + else + local delta_headroom = default_headroom - headroom + C.memmove(p.data + delta_headroom, p.data + bytes, len - bytes) + p = ffi.cast(packet_ptr_t, ptr + delta_headroom) + p.length = len - bytes + return p + end end -- Move packet data to the right. This leaves length bytes of data -- at the beginning of the packet. function shiftright (p, bytes) - C.memmove(p.data + bytes, p.data, p.length) - p.length = p.length + bytes + local ptr = ffi.cast("char*", p) + local len = p.length + local headroom = bit.band(ffi.cast("uint64_t", ptr), packet_alignment - 1) + if bytes <= headroom then + -- Take from the headroom. + p = ffi.cast(packet_ptr_t, ptr - bytes) + p.length = len + bytes + return p + else + -- No headroom for the shift; re-set the headroom to the default. + assert(bytes <= max_payload - len) + local delta_headroom = default_headroom - headroom + C.memmove(p.data + bytes + delta_headroom, p.data, len) + p = ffi.cast(packet_ptr_t, ptr + delta_headroom) + p.length = len + bytes + return p + end end -- Conveniently create a packet by copying some existing data. @@ -116,6 +151,9 @@ function from_string (d) return from_pointer(d, #d) end -- Free a packet that is no longer in use. local function free_internal (p) + local ptr = ffi.cast("char*", p) + local headroom = bit.band(ffi.cast("uint64_t", ptr), packet_alignment - 1) + p = ffi.cast(packet_ptr_t, ptr - headroom + default_headroom) p.length = 0 freelist_add(packets_fl, p) end diff --git a/src/lib/protocol/datagram.lua b/src/lib/protocol/datagram.lua index f2b180e64c..a8860b27aa 100644 --- a/src/lib/protocol/datagram.lua +++ b/src/lib/protocol/datagram.lua @@ -147,7 +147,7 @@ function datagram:push_raw (data, length) -- The memmove() would invalidate the data pointer of headers -- that have already been parsed. assert(self._parse.index == 0, "parse stack not empty") - packet.prepend(self._packet[0], data, length) + self._packet[0] = packet.prepend(self._packet[0], data, length) self._parse.offset = self._parse.offset + length end end @@ -277,7 +277,7 @@ function datagram:pop_raw (length, ulp) -- The memmove() would invalidate the data pointer of headers -- that have already been parsed. assert(self._parse.index == 0, "parse stack not empty") - packet.shiftleft(self._packet[0], length) + self._packet[0] = packet.shiftleft(self._packet[0], length) end if ulp then self._parse.ulp = ulp end end @@ -347,6 +347,7 @@ function selftest () dgram:push(l2tp) dgram:push(ip) dgram:push(ether) + p = dgram:packet() local _, p_size = dgram:payload(data, data_size) assert(p_size == data_size) local _, d_size = dgram:data() @@ -379,7 +380,7 @@ function selftest () dgram:commit() _, d_size = dgram:data() assert(d_size == ether2:sizeof() + ip2:sizeof() + l2tp:sizeof() + data_size) - dgram:new(p, ethernet, { delayed_commit = true }) + dgram:new(dgram:packet(), ethernet, { delayed_commit = true }) assert(ether2:eq(dgram:parse())) assert(ip2:eq(dgram:parse())) assert(l2tp:eq(dgram:parse())) From c2097d217d383d9764e07e2a3a17ff8afeca968c Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Fri, 14 Oct 2016 13:59:49 +0000 Subject: [PATCH 284/340] Add minimum packet alignment. --- src/core/packet.lua | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/src/core/packet.lua b/src/core/packet.lua index 652c747118..d32616f128 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -24,6 +24,9 @@ max_payload = tonumber(C.PACKET_PAYLOAD_SIZE) -- packet structure as a whole around. local packet_alignment = 512 local default_headroom = 256 +-- The Intel82599 driver requires even-byte alignment, so let's keep +-- things aligned at least this much. +local minimum_alignment = 2 -- Freelist containing empty packets ready for use. @@ -110,7 +113,8 @@ function shiftleft (p, bytes) -- p.data will point out of our allocation. If we're withing the -- alignment wiggle room, just move the packet around. Otherwise -- copy the payload, but also reset the headroom at the same time. - if bytes + headroom < packet_alignment then + if bytes + headroom < packet_alignment + and bit.band(bytes, minimum_alignment - 1) == 0 then p = ffi.cast(packet_ptr_t, ptr + bytes) p.length = len - bytes return p @@ -129,7 +133,7 @@ function shiftright (p, bytes) local ptr = ffi.cast("char*", p) local len = p.length local headroom = bit.band(ffi.cast("uint64_t", ptr), packet_alignment - 1) - if bytes <= headroom then + if bytes <= headroom and bit.band(bytes, minimum_alignment - 1) == 0 then -- Take from the headroom. p = ffi.cast(packet_ptr_t, ptr - bytes) p.length = len + bytes From 998427e2e7528ec31c214f662d56779c6a23703e Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 7 Jun 2016 12:56:56 +0000 Subject: [PATCH 285/340] virtio-net driver: Use C header files Instead of defining duplicate versions of structs in virtq_driver.lua, just use the C headers. --- src/lib/virtio/net_driver.lua | 1 - src/lib/virtio/virtq_driver.lua | 53 +++++++-------------------------- 2 files changed, 10 insertions(+), 44 deletions(-) diff --git a/src/lib/virtio/net_driver.lua b/src/lib/virtio/net_driver.lua index 0ab83ea2b1..d6f0cbba81 100644 --- a/src/lib/virtio/net_driver.lua +++ b/src/lib/virtio/net_driver.lua @@ -21,7 +21,6 @@ local bit = require('bit') local virtq = require('lib.virtio.virtq_driver') local VirtioPci = require('lib.virtio.virtio_pci').VirtioPci local checksum = require('lib.checksum') -require('lib.virtio.virtio_h') local band, bor, rshift, lshift = bit.band, bit.bor, bit.rshift, bit.lshift local prepare_packet4, prepare_packet6 = checksum.prepare_packet4, checksum.prepare_packet6 diff --git a/src/lib/virtio/virtq_driver.lua b/src/lib/virtio/virtq_driver.lua index d5cc27b105..9fd6f9e6df 100644 --- a/src/lib/virtio/virtq_driver.lua +++ b/src/lib/virtio/virtq_driver.lua @@ -13,52 +13,18 @@ local ffi = require("ffi") local C = ffi.C local memory = require('core.memory') local band = require('bit').band +require("lib.virtio.virtio.h") +require("lib.virtio.virtio_vring.h") local physical = memory.virtual_to_physical local VirtioVirtq = {} VirtioVirtq.__index = VirtioVirtq --- The Host uses this in used->flags to advise the Guest: don't kick me when you add a buffer. -local VRING_USED_F_NO_NOTIFY = 1 --- The Guest uses this in avail->flags to advise the Host: don't interrupt me when you consume a buffer -local VRING_AVAIL_F_NO_INTERRUPT = 1 - --- This marks a buffer as continuing via the next field. -local VRING_DESC_F_NEXT = 1 --- This marks a buffer as write-only (otherwise read-only). -local VRING_DESC_F_WRITE = 2 --- This means the buffer contains a list of buffer descriptors. -local VRING_DESC_F_INDIRECT = 4 - -ffi.cdef([[ -struct pk_header { - uint8_t flags; - uint8_t gso_type; - uint16_t hdr_len; - uint16_t gso_size; - uint16_t csum_start; - uint16_t csum_offset; -} __attribute__((packed)); -]]) -local pk_header_t = ffi.typeof("struct pk_header") +local pk_header_t = ffi.typeof("struct virtio_net_hdr") local pk_header_size = ffi.sizeof(pk_header_t) - -ffi.cdef([[ - struct vring_desc { - /* Address (guest-physical). */ - uint64_t addr; - /* Length. */ - uint32_t len; - /* The flags as indicated above. */ - uint16_t flags; - /* Next field if flags & NEXT */ - uint16_t next; -} __attribute__((packed)); -]]) local vring_desc_t = ffi.typeof("struct vring_desc") - local ringtypes = {} local function vring_type(n) if ringtypes[n] then return ringtypes[n] end @@ -88,7 +54,7 @@ local function vring_type(n) $ *vring; uint64_t vring_physaddr; struct packet *packets[$]; - struct pk_header *headers[$]; + struct virtio_net_hdr *headers[$]; struct vring_desc *desc_tables[$]; } ]], rng, n, n, n) @@ -113,7 +79,8 @@ local function allocate_virtq(n) desc.addr = phys desc.len = len - desc.flags = VRING_DESC_F_INDIRECT + -- fixme + desc.flags = C.VIRTIO_DESC_F_INDIRECT desc.next = i + 1 end @@ -123,10 +90,10 @@ local function allocate_virtq(n) -- Packet header descriptor local desc = desc_table[0] ptr, phys = memory.dma_alloc(pk_header_size) - vr.headers[i] = ffi.cast("struct pk_header *", ptr) + vr.headers[i] = ffi.cast("struct virtio_net_hdr *", ptr) desc.addr = phys desc.len = pk_header_size - desc.flags = VRING_DESC_F_NEXT + desc.flags = C.VIRTIO_DESC_F_NEXT desc.next = 1 -- Packet data descriptor @@ -139,7 +106,7 @@ local function allocate_virtq(n) vr.num_free = n -- Disable the interrupts forever, we don't need them - vr.vring.avail.flags = VRING_AVAIL_F_NO_INTERRUPT + vr.vring.avail.flags = C.VRING_F_NO_INTERRUPT return vr end @@ -237,7 +204,7 @@ end function VirtioVirtq:should_notify() -- Notify only if the used ring lacks the "no notify" flag - return band(self.vring.used.flags, VRING_USED_F_NO_NOTIFY) == 0 + return band(self.vring.used.flags, C.VRING_F_NO_NOTIFY) == 0 end return { From a5541e5c713d46368796d0e48df19002841e3aa5 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Tue, 7 Jun 2016 14:33:18 +0000 Subject: [PATCH 286/340] virtio-net driver: Use direct descriptors Use direct descriptors, and use packet.shift to add and remove virtio headers. --- src/lib/virtio/net_driver.lua | 9 ++- src/lib/virtio/virtq_driver.lua | 105 +++++++++----------------------- 2 files changed, 34 insertions(+), 80 deletions(-) diff --git a/src/lib/virtio/net_driver.lua b/src/lib/virtio/net_driver.lua index d6f0cbba81..3110f33202 100644 --- a/src/lib/virtio/net_driver.lua +++ b/src/lib/virtio/net_driver.lua @@ -33,10 +33,10 @@ local ETHERTYPE_OFF = 12 local ETHERLEN = 14 -- DST MAC | SRC MAC | ethertype local VIRTIO_NET_HDR_F_NEEDS_CSUM = 1 -local min_features = C.VIRTIO_RING_F_INDIRECT_DESC + C.VIRTIO_NET_F_CSUM -local want_features = C.VIRTIO_F_ANY_LAYOUT + - C.VIRTIO_RING_F_INDIRECT_DESC + - C.VIRTIO_NET_F_MAC +local min_features = C.VIRTIO_NET_F_CSUM + + C.VIRTIO_F_ANY_LAYOUT + + C.VIRTIO_NET_F_CTRL_VQ +local want_features = min_features local RXQ = 0 local TXQ = 1 @@ -53,7 +53,6 @@ function VirtioNetDriver:new(args) if args.use_checksum then self.transmit = self._transmit_checksum - self.want_features = self.want_features + C.VIRTIO_NET_F_CSUM else self.transmit = self._transmit end diff --git a/src/lib/virtio/virtq_driver.lua b/src/lib/virtio/virtq_driver.lua index 9fd6f9e6df..517a3763b7 100644 --- a/src/lib/virtio/virtq_driver.lua +++ b/src/lib/virtio/virtq_driver.lua @@ -12,6 +12,7 @@ local debug = _G.developer_debug local ffi = require("ffi") local C = ffi.C local memory = require('core.memory') +local packet = require('core.packet') local band = require('bit').band require("lib.virtio.virtio.h") require("lib.virtio.virtio_vring.h") @@ -21,6 +22,9 @@ local physical = memory.virtual_to_physical local VirtioVirtq = {} VirtioVirtq.__index = VirtioVirtq +local VRING_F_NO_INTERRUPT = C.VRING_F_NO_INTERRUPT +local VRING_F_NO_NOTIFY = C.VRING_F_NO_NOTIFY + local pk_header_t = ffi.typeof("struct virtio_net_hdr") local pk_header_size = ffi.sizeof(pk_header_t) local vring_desc_t = ffi.typeof("struct vring_desc") @@ -54,10 +58,8 @@ local function vring_type(n) $ *vring; uint64_t vring_physaddr; struct packet *packets[$]; - struct virtio_net_hdr *headers[$]; - struct vring_desc *desc_tables[$]; } - ]], rng, n, n, n) + ]], rng, n) ffi.metatype(t, VirtioVirtq) ringtypes[n] = t return t @@ -70,43 +72,16 @@ local function allocate_virtq(n) local ptr, phys = memory.dma_alloc(ffi.sizeof(vr.vring[0])) vr.vring = ffi.cast(ring_t, ptr) vr.vring_physaddr = phys - - for i = 0, n-1 do - local desc = vr.vring.desc[i] - local len = 2 * ffi.sizeof(vring_desc_t) - ptr, phys = memory.dma_alloc(len) - vr.desc_tables[i] = ffi.cast("struct vring_desc *", ptr) - - desc.addr = phys - desc.len = len - -- fixme - desc.flags = C.VIRTIO_DESC_F_INDIRECT - desc.next = i + 1 - end - - for i = 0, n-1 do - local desc_table = vr.desc_tables[i] - - -- Packet header descriptor - local desc = desc_table[0] - ptr, phys = memory.dma_alloc(pk_header_size) - vr.headers[i] = ffi.cast("struct virtio_net_hdr *", ptr) - desc.addr = phys - desc.len = pk_header_size - desc.flags = C.VIRTIO_DESC_F_NEXT - desc.next = 1 - - -- Packet data descriptor - desc = desc_table[1] - desc.addr = 0 - desc.len = 0 - desc.flags = 0 - desc.next = -1 + -- Initialize free list. + vr.free_head = -1 + vr.num_free = 0 + for i = n-1, 0, -1 do + vr.vring.desc[i].next = vr.free_head + vr.free_head = i + vr.num_free = vr.num_free + 1 end - vr.num_free = n - -- Disable the interrupts forever, we don't need them - vr.vring.avail.flags = C.VRING_F_NO_INTERRUPT + vr.vring.avail.flags = VRING_F_NO_INTERRUPT return vr end @@ -115,24 +90,22 @@ function VirtioVirtq:can_add() end function VirtioVirtq:add(p, len, flags, csum_start, csum_offset) - local idx = self.free_head local desc = self.vring.desc[idx] - local desc_table = self.desc_tables[idx] self.free_head = desc.next self.num_free = self.num_free -1 desc.next = -1 - -- Header - local header = self.headers[idx] - header[0].flags = flags - header[0].csum_start = csum_start - header[0].csum_offset = csum_offset - - -- Packet - desc = desc_table[1] + p = packet.shiftright(p, pk_header_size) + local header = ffi.cast("struct virtio_net_hdr *", p.data) + header.flags = flags + header.gso_type = 0 + header.hdr_len = 0 + header.gso_size = 0 + header.csum_start = csum_start + header.csum_offset = csum_offset desc.addr = physical(p.data) - desc.len = len + desc.len = len + pk_header_size desc.flags = 0 desc.next = -1 @@ -142,28 +115,7 @@ function VirtioVirtq:add(p, len, flags, csum_start, csum_offset) end function VirtioVirtq:add_empty_header(p, len) - local idx = self.free_head - local desc = self.vring.desc[idx] - local desc_table = self.desc_tables[idx] - self.free_head = desc.next - self.num_free = self.num_free -1 - desc.next = -1 - - -- Header - local header = self.headers[idx] - header[0].flags = 0 - - -- Packet - desc = desc_table[1] - desc.addr = physical(p.data) - - desc.len = len - desc.flags = 0 - desc.next = -1 - - self.vring.avail.ring[band(self.last_avail_idx, self.num-1)] = idx - self.last_avail_idx = self.last_avail_idx + 1 - self.packets[idx] = p + self:add(p, len, 0, 0, 0) end function VirtioVirtq:update_avail_idx() @@ -183,16 +135,19 @@ function VirtioVirtq:can_get() end function VirtioVirtq:get() - local last_used_idx = band(self.last_used_idx, self.num-1) local used = self.vring.used.ring[last_used_idx] local idx = used.id local desc = self.vring.desc[idx] + -- FIXME: we should allow the NEXT flag or something, though with worse perf + if debug then assert(desc.flags == 0) end local p = self.packets[idx] + self.packets[idx] = nil if debug then assert(p ~= nil) end - p.length = used.len - pk_header_size - if debug then assert(physical(p.data) == self.desc_tables[idx][1].addr) end + if debug then assert(physical(p.data) == desc.addr) end + p.length = used.len + p = packet.shiftleft(p, pk_header_size) self.last_used_idx = self.last_used_idx + 1 desc.next = self.free_head @@ -204,7 +159,7 @@ end function VirtioVirtq:should_notify() -- Notify only if the used ring lacks the "no notify" flag - return band(self.vring.used.flags, C.VRING_F_NO_NOTIFY) == 0 + return band(self.vring.used.flags, VRING_F_NO_NOTIFY) == 0 end return { From 4dd9553a72ca71f4b80b6d5df033309d61417a69 Mon Sep 17 00:00:00 2001 From: Nicola 'tekNico' Larosa Date: Fri, 14 Oct 2016 17:20:32 +0200 Subject: [PATCH 287/340] Cleanup of the lwaftr app code --- src/apps/lwaftr/arp.lua | 2 +- src/apps/lwaftr/benchmark.lua | 8 ++-- src/apps/lwaftr/binding_table.lua | 14 +++--- src/apps/lwaftr/channel.lua | 11 +++-- src/apps/lwaftr/conf_parser.lua | 3 +- src/apps/lwaftr/ctable_wrapper.lua | 8 ++-- src/apps/lwaftr/dump.lua | 1 - src/apps/lwaftr/fragmentv4_test.lua | 5 -- src/apps/lwaftr/generator.lua | 11 +++-- src/apps/lwaftr/icmp.lua | 7 ++- src/apps/lwaftr/ipv4_apps.lua | 27 +++-------- src/apps/lwaftr/ipv6_apps.lua | 15 ++---- src/apps/lwaftr/lwaftr.lua | 46 +++++++------------ src/apps/lwaftr/lwdebug.lua | 6 +-- src/apps/lwaftr/lwheader.lua | 6 +-- src/apps/lwaftr/ndp.lua | 15 +++--- src/apps/lwaftr/nh_fwd.lua | 12 ++--- src/apps/lwaftr/podhashmap.lua | 2 +- src/apps/lwaftr/test_phm_lookup.lua | 1 - src/apps/lwaftr/test_phm_streaming_lookup.lua | 1 - 20 files changed, 80 insertions(+), 121 deletions(-) diff --git a/src/apps/lwaftr/arp.lua b/src/apps/lwaftr/arp.lua index 19e95de033..3b9bddd338 100644 --- a/src/apps/lwaftr/arp.lua +++ b/src/apps/lwaftr/arp.lua @@ -127,7 +127,7 @@ function is_arp_request(p) end -- ARP does a 'who has' request, and the reply is in the *source* fields -function get_isat_ethernet(arp_p, dst_ipv4) +function get_isat_ethernet(arp_p) if not is_arp_reply(arp_p) then return nil end local eth_addr = ffi.new("uint8_t[?]", 6) ffi.copy(eth_addr, arp_p.data + ethernet_header_size + o_sha, 6) diff --git a/src/apps/lwaftr/benchmark.lua b/src/apps/lwaftr/benchmark.lua index 68da805d1d..48cbc0e85a 100644 --- a/src/apps/lwaftr/benchmark.lua +++ b/src/apps/lwaftr/benchmark.lua @@ -54,7 +54,7 @@ Made {breaths} breaths: {packets_per_breath} packets per breath; {breath_in_nano Rate(Mpps): {rate_mpps} ]], values)) end - local function report_bench(input, name, engine, finish, start) + local function report_bench(input, name, finish, start) local breaths = tonumber(counter.read(engine.breaths)) local bytes = input.txbytes -- Don't bother to report on interfaces that were boring @@ -63,19 +63,19 @@ Rate(Mpps): {rate_mpps} local runtime = finish - start report(name, breaths, bytes, packets, runtime) end - local function reports(names, engine, finish, start) + local function reports(names, finish, start) for _, name in ipairs(names) do local parts = split(paths[name], ".") assert(#parts == 3, "Wrong path") local app_name, channel, direction = unpack(parts) local stats = link.stats(engine.app_table[app_name][channel][direction]) - report_bench(stats, name, engine, finish, start) + report_bench(stats, name, finish, start) end end local start = C.get_monotonic_time() engine.main(params) local finish = C.get_monotonic_time() - reports({"nicv4-in","nicv6-in"}, engine, finish, start) + reports({"nicv4-in","nicv6-in"}, finish, start) end local function usage () diff --git a/src/apps/lwaftr/binding_table.lua b/src/apps/lwaftr/binding_table.lua index f51e608fcc..b7089e8054 100644 --- a/src/apps/lwaftr/binding_table.lua +++ b/src/apps/lwaftr/binding_table.lua @@ -65,7 +65,7 @@ module(..., package.seeall) local bit = require('bit') local ffi = require("ffi") -local stream = require("apps.lwaftr.stream") +local lwstream = require("apps.lwaftr.stream") local lwdebug = require("apps.lwaftr.lwdebug") local Parser = require("apps.lwaftr.conf_parser").Parser local rangemap = require("apps.lwaftr.rangemap") @@ -308,7 +308,7 @@ function BindingTable:iterate_softwires() end function BindingTable:save(filename, mtime_sec, mtime_nsec) - local out = stream.open_temporary_output_byte_stream(filename) + local out = lwstream.open_temporary_output_byte_stream(filename) out:write_ptr(binding_table_header_t( BINDING_TABLE_MAGIC, BINDING_TABLE_VERSION, mtime_sec or 0, mtime_nsec or 0)) @@ -508,7 +508,7 @@ local function log(msg, ...) end function load(file) - local source = stream.open_input_byte_stream(file) + local source = lwstream.open_input_byte_stream(file) if has_magic(source) then log('loading compiled binding table from %s', file) return load_compiled(source) @@ -519,7 +519,7 @@ function load(file) -- in a well-known place. local compiled_file = file:gsub("%.txt$", "")..'.o' - local compiled_stream = maybe(stream.open_input_byte_stream, + local compiled_stream = maybe(lwstream.open_input_byte_stream, compiled_file) if compiled_stream then if has_magic(compiled_stream) then @@ -598,12 +598,12 @@ function selftest() map = load(tmp) os.remove(tmp) - local tmp = os.tmpname() + tmp = os.tmpname() map:save(tmp) map = load(tmp) os.remove(tmp) - local tmp = os.tmpname() + tmp = os.tmpname() map:dump(tmp) map = load(tmp) os.remove(tmp) @@ -672,7 +672,7 @@ function selftest() do local i = 0 - for entry in map:iterate_softwires() do i = i + 1 end + for _ in map:iterate_softwires() do i = i + 1 end -- 11 softwires in above example. Since they are hashed into an -- arbitrary order, we can't assert much about the iteration. assert(i == 11) diff --git a/src/apps/lwaftr/channel.lua b/src/apps/lwaftr/channel.lua index f3a449aeb6..c7fc96f199 100644 --- a/src/apps/lwaftr/channel.lua +++ b/src/apps/lwaftr/channel.lua @@ -9,7 +9,6 @@ module(..., package.seeall) local ffi = require('ffi') -local bit = require('bit') local S = require("syscall") local lib = require('core.lib') @@ -47,12 +46,13 @@ local function create_ring_buffer (name, size) mkdir_p(tail) local fd, err = S.open(path, "creat, rdwr, excl", '0664') if not fd then - local err = tostring(err or "unknown error") + err = tostring(err or "unknown error") error('error creating file "'..path..'": '..err) end local len = ffi.sizeof(ring_buffer_t, size) assert(fd:ftruncate(len), "ring buffer: ftruncate failed") - local mem, err = S.mmap(nil, len, "read, write", "shared", fd, 0) + local mem + mem, err = S.mmap(nil, len, "read, write", "shared", fd, 0) fd:close() if mem == nil then error("mmap failed: " .. tostring(err)) end mem = ffi.cast(ffi.typeof("$*", ring_buffer_t), mem) @@ -65,7 +65,7 @@ local function open_ring_buffer (pid, name) local path = root..'/'..tostring(pid)..'/channels/'..name local fd, err = S.open(path, "rdwr") if not fd then - local err = tostring(err or "unknown error") + err = tostring(err or "unknown error") error('error opening file "'..path..'": '..err) end local stat = S.fstat(fd) @@ -73,7 +73,8 @@ local function open_ring_buffer (pid, name) if len < ffi.sizeof(ring_buffer_t, 0) then error("unexpected size for ring buffer") end - local mem, err = S.mmap(nil, len, "read, write", "shared", fd, 0) + local mem + mem, err = S.mmap(nil, len, "read, write", "shared", fd, 0) fd:close() if mem == nil then error("mmap failed: " .. tostring(err)) end mem = ffi.cast(ffi.typeof("$*", ring_buffer_t), mem) diff --git a/src/apps/lwaftr/conf_parser.lua b/src/apps/lwaftr/conf_parser.lua index a123c28c49..39f82ad32a 100644 --- a/src/apps/lwaftr/conf_parser.lua +++ b/src/apps/lwaftr/conf_parser.lua @@ -10,6 +10,7 @@ Parser = {} function Parser.new(file) local name = file.name + local err if type(file) == 'string' then name = file file, err = io.open(file) @@ -253,7 +254,7 @@ function Parser:parse_string_or_file() return str end -- Remove the angle bracket. - path = self:make_path(str:sub(2)) + local path = self:make_path(str:sub(2)) local filter, err = lib.readfile(path, "*a") if filter == nil then self:error('cannot read filter conf file "%s": %s', path, err) diff --git a/src/apps/lwaftr/ctable_wrapper.lua b/src/apps/lwaftr/ctable_wrapper.lua index 7dcef873f4..0689307056 100644 --- a/src/apps/lwaftr/ctable_wrapper.lua +++ b/src/apps/lwaftr/ctable_wrapper.lua @@ -45,7 +45,7 @@ function new(params) return ctab end -function selftest(params) +function selftest() local ffi = require("ffi") local hash_32 = ctable.hash_32 @@ -73,12 +73,12 @@ function selftest(params) for j=0,5 do v[j] = bnot(i) end local newest_index = ctab:add_with_random_ejection(i, v) local iterated = 0 - for entry in ctab:iterate() do iterated = iterated + 1 end + for _ in ctab:iterate() do iterated = iterated + 1 end assert(old_occupancy == ctab.occupancy, "bad random ejection!") ctab:remove_ptr(ctab.entries + newest_index, false) - local iterated = 0 - for entry in ctab:iterate() do iterated = iterated + 1 end + iterated = 0 + for _ in ctab:iterate() do iterated = iterated + 1 end assert(iterated == ctab.occupancy) assert(iterated == old_occupancy - 1) -- OK, all looking good with our ctab. diff --git a/src/apps/lwaftr/dump.lua b/src/apps/lwaftr/dump.lua index 45404c04ba..7d6408ebea 100644 --- a/src/apps/lwaftr/dump.lua +++ b/src/apps/lwaftr/dump.lua @@ -125,7 +125,6 @@ end function selftest () print("selftest: dump") local lwconf = require("apps.lwaftr.conf") - local policies = lwconf.policies local equal = require('core.lib').equal local function string_file(str) local pos = 1 diff --git a/src/apps/lwaftr/fragmentv4_test.lua b/src/apps/lwaftr/fragmentv4_test.lua index 6bea35ef5f..48dd37d95c 100644 --- a/src/apps/lwaftr/fragmentv4_test.lua +++ b/src/apps/lwaftr/fragmentv4_test.lua @@ -244,7 +244,6 @@ function test_reassemble_pattern_fragments() local pkt = make_ipv4_packet(1046 - ip4_proto:sizeof() - eth_proto:sizeof()) pattern_fill(pkt.data + ip4_proto:sizeof() + eth_proto:sizeof(), pkt.length - ip4_proto:sizeof() - eth_proto:sizeof()) - local orig_packet = packet.clone(pkt) local code, result = fragmentv4.fragment(pkt, 520) assert(code == fragmentv4.FRAGMENT_OK) @@ -269,7 +268,6 @@ end function test_reassemble_two_missing_fragments(vlan_id) print("test: two fragments (one missing)") local pkt = assert(make_ipv4_packet(1200), vlan_id) - local eth_size = eth_header_size(pkt) local code, fragments = fragmentv4.fragment(pkt, 1000) assert(code == fragmentv4.FRAGMENT_OK) assert(#fragments == 2) @@ -286,7 +284,6 @@ end function test_reassemble_three_missing_fragments(vlan_id) print("test: three fragments (one/two missing)") local pkt = assert(make_ipv4_packet(1000)) - local eth_size = eth_header_size(pkt) local code, fragments = fragmentv4.fragment(packet.clone(pkt), 400) assert(code == fragmentv4.FRAGMENT_OK) assert(#fragments == 3) @@ -347,7 +344,6 @@ function test_reassemble_two(vlan_id) print("test: payload=1200 mtu=1000") local pkt = assert(make_ipv4_packet(1200), vlan_id) assert(pkt.length > 1200, "packet shorter than payload size") - local eth_size = eth_header_size(pkt) -- Keep a copy of the packet, for comparisons local orig_pkt = packet.clone(pkt) @@ -388,7 +384,6 @@ end function test_reassemble_three(vlan_id) print("test: payload=1000 mtu=400") local pkt = assert(make_ipv4_packet(1000), vlan_id) - local eth_size = eth_header_size(pkt) -- Keep a copy of the packet, for comparisons local orig_pkt = packet.clone(pkt) diff --git a/src/apps/lwaftr/generator.lua b/src/apps/lwaftr/generator.lua index 258692490c..402a490382 100644 --- a/src/apps/lwaftr/generator.lua +++ b/src/apps/lwaftr/generator.lua @@ -39,7 +39,6 @@ local udp_header_ptr_type = lwtypes.udp_header_ptr_type local ipv4_header_size = lwtypes.ipv4_header_size local ipv6_header_size = lwtypes.ipv6_header_size -local udp_header_size = lwtypes.udp_header_size local IPV4_DSCP_AND_ECN_OFFSET = 1 local PROTO_IPV4 = C.htons(0x0800) @@ -98,8 +97,7 @@ end function ipv4_packet(params) local p = packet.allocate() - local ether_hdr = cast(ethernet_header_ptr_type, p.data) - local ethernet_header_size + local ether_hdr, ethernet_header_size if params.vlan_tag then ether_hdr = cast(ethernet_vlan_header_ptr_type, p.data) ether_hdr.vlan.tpid = VLAN_TPID @@ -138,7 +136,7 @@ end function from_inet:pull() local o = assert(self.output.output) - for i=1,engine.pull_npackets do + for _ = 1, engine.pull_npackets do if self.max_packets then if self.tx_packets == self.max_packets then break end self.tx_packets = self.tx_packets + 1 @@ -282,6 +280,7 @@ function ipv6_encapsulate(ipv4_pkt, params) packet.shiftright(p, ipv6_header_size) -- IPv6 packet is tagged + local eth_hdr if params.vlan_tag then eth_hdr = cast(ethernet_vlan_header_ptr_type, p.data) eth_hdr.vlan.tag = params.vlan_tag @@ -312,7 +311,7 @@ end function from_b4:pull() local o = assert(self.output.output) - for i=1,engine.pull_npackets do + for _ = 1, engine.pull_npackets do if self.max_packets then if self.tx_packets == self.max_packets then break end self.tx_packets = self.tx_packets + 1 @@ -337,12 +336,14 @@ function from_b4:new_packet() ipv6_hdr.src_ip = self.src_ipv6 -- Set tunneled IPv4 source address local ipv6_payload = ethernet_header_size + ipv6_header_size + local ipv4_hdr ipv4_hdr = cast(ipv4_header_ptr_type, ipv6.data + ipv6_payload) ipv4_hdr.src_ip = self.src_ipv4 ipv4_hdr.checksum = 0 ipv4_hdr.checksum = C.htons(ipsum(ipv6.data + ipv6_payload, ipv4_header_size, 0)) -- Set tunneled IPv4 source port + local udp_hdr udp_hdr = cast(udp_header_ptr_type, ipv6.data + (ipv6_payload + ipv4_header_size)) udp_hdr.src_port = C.htons(self.src_portv4) diff --git a/src/apps/lwaftr/icmp.lua b/src/apps/lwaftr/icmp.lua index 228faaf9bf..f4533a1528 100644 --- a/src/apps/lwaftr/icmp.lua +++ b/src/apps/lwaftr/icmp.lua @@ -6,7 +6,6 @@ local lwutil = require("apps.lwaftr.lwutil") local checksum = require("lib.checksum") local datagram = require("lib.protocol.datagram") -local ethernet = require("lib.protocol.ethernet") local ipv4 = require("lib.protocol.ipv4") local ipv6 = require("lib.protocol.ipv6") @@ -16,10 +15,10 @@ local lib = require("core.lib") local band, bnot = bit.band, bit.bnot local C = ffi.C -local rd16, wr16, wr32 = lwutil.rd16, lwutil.wr16, lwutil.wr32 +local wr16, wr32 = lwutil.wr16, lwutil.wr32 local is_ipv4, is_ipv6 = lwutil.is_ipv4, lwutil.is_ipv6 local get_ihl_from_offset = lwutil.get_ihl_from_offset -local htons, htonl, ntohs, ntohl = lib.htons, lib.htonl, lib.ntohs, lib.ntohl +local htons, ntohs = lib.htons, lib.ntohs local write_eth_header = lwheader.write_eth_header local proto_icmp = constants.proto_icmp @@ -134,7 +133,7 @@ function new_icmpv6_packet(from_eth, to_eth, from_ip, to_ip, initial_pkt, config local ph_len = calculate_payload_size(new_pkt, initial_pkt, max_size, config) + constants.icmp_base_size local ph = ipv6_header:pseudo_header(ph_len, constants.proto_icmpv6) local ph_csum = checksum.ipsum(ffi.cast("uint8_t*", ph), ffi.sizeof(ph), 0) - local ph_csum = band(bnot(ph_csum), 0xffff) + ph_csum = band(bnot(ph_csum), 0xffff) write_icmp(new_pkt, initial_pkt, max_size, ph_csum, config) local new_ipv6_len = new_pkt.length - (constants.ipv6_fixed_header_size + ehs) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index d1861ba6df..11411ce234 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -11,24 +11,14 @@ local ethernet = require("lib.protocol.ethernet") local ipv4 = require("lib.protocol.ipv4") local checksum = require("lib.checksum") local packet = require("core.packet") -local bit = require("bit") -local ffi = require("ffi") local lib = require("core.lib") local counter = require("core.counter") local receive, transmit = link.receive, link.transmit -local rd16, wr16, rd32, wr32 = lwutil.rd16, lwutil.wr16, lwutil.rd32, lwutil.wr32 +local wr16, rd32, wr32 = lwutil.wr16, lwutil.rd32, lwutil.wr32 local get_ihl_from_offset = lwutil.get_ihl_from_offset local is_ipv4, is_ipv4_fragment = lwutil.is_ipv4, lwutil.is_ipv4_fragment -local ntohs, htons = lib.ntohs, lib.htons -local band = bit.band - -local n_ethertype_ipv4 = constants.n_ethertype_ipv4 -local o_ipv4_identification = constants.o_ipv4_identification -local o_ipv4_src_addr = constants.o_ipv4_src_addr -local o_ipv4_dst_addr = constants.o_ipv4_dst_addr -local o_ethernet_ethertype = constants.o_ethernet_ethertype -local o_ipv4_flags = constants.o_ipv4_flags +local htons = lib.htons local ehs = constants.ethernet_header_size local o_ipv4_ver_and_ihl = ehs + constants.o_ipv4_ver_and_ihl @@ -64,10 +54,7 @@ function Reassembler:push () local input, output = self.input.input, self.output.output local errors = self.output.errors - local l2_size = self.l2_size - local ethertype_offset = self.ethertype_offset - - for _=1,math.min(link.nreadable(input), link.nwritable(output)) do + for _ = 1, math.min(link.nreadable(input), link.nwritable(output)) do local pkt = receive(input) if is_ipv4_fragment(pkt) then counter.add(self.counters["in-ipv4-frag-needs-reassembly"]) @@ -109,7 +96,7 @@ function Fragmenter:push () local mtu = self.mtu - for _=1,link.nreadable(input) do + for _ = 1, link.nreadable(input) do local pkt = receive(input) if pkt.length > mtu + ehs and is_ipv4(pkt) then local status, frags = fragmentv4.fragment(pkt, mtu) @@ -168,11 +155,11 @@ function ARP:push() self:maybe_send_arp_request(osouth) - for _=1,link.nreadable(isouth) do + for _ = 1, link.nreadable(isouth) do local p = receive(isouth) if arp.is_arp(p) then if not self.dst_eth and arp.is_arp_reply(p) then - local dst_ethernet = arp.get_isat_ethernet(p, self.conf.dst_ipv4) + local dst_ethernet = arp.get_isat_ethernet(p) if dst_ethernet then self.dst_eth = dst_ethernet end @@ -191,7 +178,7 @@ function ARP:push() end end - for _=1,link.nreadable(inorth) do + for _ = 1, link.nreadable(inorth) do local p = receive(inorth) if not self.dst_eth then -- drop all southbound packets until the next hop's ethernet address is known diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index f919a7faa2..82d75cb4c0 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -16,21 +16,16 @@ local lib = require("core.lib") local bit = require("bit") local ffi = require("ffi") -local C = ffi.C local receive, transmit = link.receive, link.transmit -local rd16, wr16 = lwutil.rd16, lwutil.wr16 +local wr16 = lwutil.wr16 local is_ipv6, is_ipv6_fragment = lwutil.is_ipv6, lwutil.is_ipv6_fragment local htons = lib.htons local ipv6_fixed_header_size = constants.ipv6_fixed_header_size -local n_ethertype_ipv6 = constants.n_ethertype_ipv6 -local o_ipv6_src_addr = constants.o_ipv6_src_addr -local o_ipv6_dst_addr = constants.o_ipv6_dst_addr local proto_icmpv6 = constants.proto_icmpv6 local ethernet_header_size = constants.ethernet_header_size -local o_ethernet_ethertype = constants.o_ethernet_ethertype local o_icmpv6_header = ethernet_header_size + ipv6_fixed_header_size local o_icmpv6_msg_type = o_icmpv6_header + constants.o_icmpv6_msg_type local o_icmpv6_checksum = o_icmpv6_header + constants.o_icmpv6_checksum @@ -64,7 +59,7 @@ function ReassembleV6:push () local input, output = self.input.input, self.output.output local errors = self.output.errors - for _=1,link.nreadable(input) do + for _ = 1, link.nreadable(input) do local pkt = receive(input) if is_ipv6_fragment(pkt) then counter.add(self.counters["in-ipv6-frag-needs-reassembly"]) @@ -107,7 +102,7 @@ function Fragmenter:push () local mtu = self.mtu - for _=1,link.nreadable(input) do + for _ = 1, link.nreadable(input) do local pkt = receive(input) if pkt.length > mtu + ehs and is_ipv6(pkt) then -- It's possible that the IPv6 packet has an IPv4 packet as @@ -170,7 +165,7 @@ function NDP:push() -- This would be an optimization, not a correctness issue self:maybe_send_ns_request(osouth) - for _=1,link.nreadable(isouth) do + for _ = 1, link.nreadable(isouth) do local p = receive(isouth) if ndp.is_ndp(p) then if not self.dst_eth and ndp.is_solicited_neighbor_advertisement(p) then @@ -193,7 +188,7 @@ function NDP:push() end end - for _=1,link.nreadable(inorth) do + for _ = 1, link.nreadable(inorth) do local p = receive(inorth) if not self.dst_eth then -- drop all southbound packets until the next hop's ethernet address is known diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 08613db1cd..5ce0cf851a 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -8,30 +8,24 @@ local lwconf = require("apps.lwaftr.conf") local lwdebug = require("apps.lwaftr.lwdebug") local lwheader = require("apps.lwaftr.lwheader") local lwutil = require("apps.lwaftr.lwutil") -local lwcounter = require("apps.lwaftr.lwcounter") local channel = require("apps.lwaftr.channel") local messages = require("apps.lwaftr.messages") local checksum = require("lib.checksum") local ethernet = require("lib.protocol.ethernet") -local ipv6 = require("lib.protocol.ipv6") -local ipv4 = require("lib.protocol.ipv4") local counter = require("core.counter") local packet = require("core.packet") local lib = require("core.lib") local bit = require("bit") local ffi = require("ffi") -local band, bor, bnot = bit.band, bit.bor, bit.bnot +local band, bnot = bit.band, bit.bnot local rshift, lshift = bit.rshift, bit.lshift -local cast = ffi.cast local receive, transmit = link.receive, link.transmit local rd16, wr16, rd32, ipv6_equals = lwutil.rd16, lwutil.wr16, lwutil.rd32, lwutil.ipv6_equals local is_ipv4, is_ipv6 = lwutil.is_ipv4, lwutil.is_ipv6 -local get_ihl_from_offset = lwutil.get_ihl_from_offset -local htons, htonl, ntohs, ntohl = lib.htons, lib.htonl, lib.ntohs, lib.ntohl -local keys = lwutil.keys +local htons, ntohs, ntohl = lib.htons, lib.ntohs, lib.ntohl local write_eth_header, write_ipv6_header = lwheader.write_eth_header, lwheader.write_ipv6_header local is_ipv4_fragment, is_ipv6_fragment = lwutil.is_ipv4_fragment, lwutil.is_ipv6_fragment @@ -47,7 +41,6 @@ local debug = lib.getenv("LWAFTR_DEBUG") local ethernet_header_size = constants.ethernet_header_size local n_ethertype_ipv4 = constants.n_ethertype_ipv4 local n_ethertype_ipv6 = constants.n_ethertype_ipv6 -local ipv6_fixed_header_size = constants.ipv6_fixed_header_size local function get_ethernet_payload(pkt) return pkt.data + ethernet_header_size @@ -60,12 +53,10 @@ local o_ipv4_checksum = constants.o_ipv4_checksum local o_ipv4_dscp_and_ecn = constants.o_ipv4_dscp_and_ecn local o_ipv4_dst_addr = constants.o_ipv4_dst_addr local o_ipv4_flags = constants.o_ipv4_flags -local o_ipv4_identification = constants.o_ipv4_identification local o_ipv4_proto = constants.o_ipv4_proto local o_ipv4_src_addr = constants.o_ipv4_src_addr local o_ipv4_total_length = constants.o_ipv4_total_length local o_ipv4_ttl = constants.o_ipv4_ttl -local o_ipv4_ver_and_ihl = constants.o_ipv4_ver_and_ihl local function get_ipv4_header_length(ptr) local ver_and_ihl = ptr[0] @@ -212,7 +203,7 @@ local function init_transmit_icmpv4_reply (lwstate) local icmpv4_rate_limiter_n_packets = lwstate.icmpv4_rate_limiter_n_packets local num_packets = 0 local last_time - return function (o, pkt, orig_pkt, orig_pkt_link) + return function (pkt, orig_pkt, orig_pkt_link) local now = tonumber(engine.now()) last_time = last_time or now -- Reset if elapsed time reached. @@ -299,7 +290,7 @@ end local function decrement_ttl(pkt) local ipv4_header = get_ethernet_payload(pkt) - local checksum = bnot(ntohs(rd16(ipv4_header + o_ipv4_checksum))) + local chksum = bnot(ntohs(rd16(ipv4_header + o_ipv4_checksum))) local old_ttl = ipv4_header[o_ipv4_ttl] if old_ttl == 0 then return 0 end local new_ttl = band(old_ttl - 1, 0xff) @@ -307,13 +298,13 @@ local function decrement_ttl(pkt) -- Now fix up the checksum. o_ipv4_ttl is the first byte in the -- 16-bit big-endian word, so the difference to the overall sum is -- multiplied by 0xff. - checksum = checksum + lshift(new_ttl - old_ttl, 8) + chksum = chksum + lshift(new_ttl - old_ttl, 8) -- Now do the one's complement 16-bit addition of the 16-bit words of -- the checksum, which necessarily is a 32-bit value. Two carry -- iterations will suffice. - checksum = band(checksum, 0xffff) + rshift(checksum, 16) - checksum = band(checksum, 0xffff) + rshift(checksum, 16) - wr16(ipv4_header + o_ipv4_checksum, htons(bnot(checksum))) + chksum = band(chksum, 0xffff) + rshift(chksum, 16) + chksum = band(chksum, 0xffff) + rshift(chksum, 16) + wr16(ipv4_header + o_ipv4_checksum, htons(bnot(chksum))) return new_ttl end @@ -334,11 +325,6 @@ local function binding_lookup_ipv4(lwstate, ipv4_ip, port) end end -local function in_binding_table(lwstate, ipv6_src_ip, ipv6_dst_ip, ipv4_src_ip, ipv4_src_port) - local b4, br = binding_lookup_ipv4(lwstate, ipv4_src_ip, ipv4_src_port) - return b4 and ipv6_equals(b4, ipv6_src_ip) and ipv6_equals(br, ipv6_dst_ip) -end - -- Hairpinned packets need to be handled quite carefully. We've decided they: -- * should increment hairpin-ipv4-bytes and hairpin-ipv4-packets -- * should increment [in|out]-ipv6-[bytes|packets] @@ -404,7 +390,7 @@ local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, pkt_src_link) lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, to_ip, pkt, icmp_config) - return transmit_icmpv4_reply(lwstate, icmp_dis, pkt, pkt_src_link) + return transmit_icmpv4_reply(icmp_dis, pkt, pkt_src_link) end -- ICMPv6 type 1 code 5, as per RFC 7596. @@ -480,7 +466,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, dst_ip, pkt, icmp_config) - return transmit_icmpv4_reply(lwstate, reply, pkt, pkt_src_link) + return transmit_icmpv4_reply(reply, pkt, pkt_src_link) end if debug then print("ipv6", ipv6_src, ipv6_dst) end @@ -498,7 +484,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr return drop_ipv4(lwstate, pkt, pkt_src_link) end local reply = cannot_fragment_df_packet_error(lwstate, pkt) - return transmit_icmpv4_reply(lwstate, reply, pkt, pkt_src_link) + return transmit_icmpv4_reply(reply, pkt, pkt_src_link) end local payload_length = get_ethernet_payload_length(pkt) @@ -704,7 +690,7 @@ local function icmpv6_incoming(lwstate, pkt) local reply = tunnel_unreachable(lwstate, pkt, constants.icmpv4_datagram_too_big_df, mtu) - return transmit_icmpv4_reply(lwstate, reply, pkt) + return transmit_icmpv4_reply(reply, pkt) -- Take advantage of having already checked for 'packet too big' (2), and -- unreachable node/hop limit exceeded/paramater problem being 1, 3, 4 respectively elseif icmp_type <= constants.icmpv6_parameter_problem then @@ -723,7 +709,7 @@ local function icmpv6_incoming(lwstate, pkt) -- Accept all unreachable or parameter problem codes local reply = tunnel_unreachable(lwstate, pkt, constants.icmpv4_host_unreachable) - return transmit_icmpv4_reply(lwstate, reply, pkt) + return transmit_icmpv4_reply(reply, pkt) else -- No other types of ICMPv6, including echo request/reply, are -- handled. @@ -861,7 +847,7 @@ function LwAftr:push () end end - for _=1,link.nreadable(i6) do + for _ = 1, link.nreadable(i6) do -- Decapsulate incoming IPv6 packets from the B4 interface and -- push them out the V4 link, unless they need hairpinning, in -- which case enqueue them on the hairpinning incoming link. @@ -881,7 +867,7 @@ function LwAftr:push () end flush_decapsulation(self) - for _=1,link.nreadable(i4) do + for _ = 1, link.nreadable(i4) do -- Encapsulate incoming IPv4 packets, excluding hairpinned -- packets. Drop anything that's not IPv4. local pkt = receive(i4) @@ -900,7 +886,7 @@ function LwAftr:push () end flush_encapsulation(self) - for _=1,link.nreadable(ih) do + for _ = 1, link.nreadable(ih) do -- Encapsulate hairpinned packet. local pkt = receive(ih) -- To reach this link, it has to have come through the lwaftr, so it diff --git a/src/apps/lwaftr/lwdebug.lua b/src/apps/lwaftr/lwdebug.lua index 47fbf95a36..7b289c99fb 100644 --- a/src/apps/lwaftr/lwdebug.lua +++ b/src/apps/lwaftr/lwdebug.lua @@ -1,12 +1,12 @@ module(..., package.seeall) local bit = require("bit") -local band, bor, rshift = bit.band, bit.bor, bit.rshift +local band, rshift = bit.band, bit.rshift function pp(t) for k,v in pairs(t) do print(k,v) end end function print_ethernet(addr) - chunks = {} + local chunks = {} for i = 0,5 do table.insert(chunks, string.format("%x", addr[i])) end @@ -14,7 +14,7 @@ function print_ethernet(addr) end function print_ipv6(addr) - chunks = {} + local chunks = {} for i = 0,7 do table.insert(chunks, string.format("%x%x", addr[2*i], addr[2*i+1])) end diff --git a/src/apps/lwaftr/lwheader.lua b/src/apps/lwaftr/lwheader.lua index 55a380e028..5c586be32f 100644 --- a/src/apps/lwaftr/lwheader.lua +++ b/src/apps/lwaftr/lwheader.lua @@ -1,19 +1,15 @@ module(..., package.seeall) local constants = require("apps.lwaftr.constants") -local ethernet = require("lib.protocol.ethernet") local ffi = require("ffi") -local ipv6 = require("lib.protocol.ipv6") local lib = require("core.lib") -local lwutil = require("apps.lwaftr.lwutil") local lwtypes = require("apps.lwaftr.lwtypes") local cast = ffi.cast local bitfield = lib.bitfield -local wr16, wr32 = lwutil.wr16, lwutil.wr32 local ethernet_header_ptr_type = lwtypes.ethernet_header_ptr_type local ipv6_header_ptr_type = lwtypes.ipv6_header_ptr_type -local htons, htonl, ntohs, ntohl = lib.htons, lib.htonl, lib.ntohs, lib.ntohl +local htons = lib.htons -- Transitional header handling library. -- Over the longer term, something more lib.protocol-like has some nice advantages. diff --git a/src/apps/lwaftr/ndp.lua b/src/apps/lwaftr/ndp.lua index 716acdbb1c..82eeeb5153 100644 --- a/src/apps/lwaftr/ndp.lua +++ b/src/apps/lwaftr/ndp.lua @@ -199,7 +199,7 @@ local function write_sna(pkt, local_eth, is_router, soliciting_pkt, base_checksu local flags = 0x40 -- solicited -- don't support the override flag for now; TODO? if is_router then flags = flags + 0x80 end - option_type = option_target_link_layer_address + local option_type = option_target_link_layer_address write_ndp(pkt, local_eth, target_addr, i_type, flags, option_type) end @@ -207,7 +207,7 @@ end -- Target address must be in the format that results from pton. local function write_ns(pkt, local_eth, target_addr) local i_type = icmpv6_ns -- RFC 4861 neighbor solicitation - option_type = option_source_link_layer_address + local option_type = option_source_link_layer_address write_ndp(pkt, local_eth, target_addr, i_type, 0, option_type) end @@ -225,7 +225,7 @@ function form_ns(local_eth, local_ipv6, dst_ipv6) i:payload_length(ns_pkt.length) local ph = i:pseudo_header(ns_pkt.length, proto_icmpv6) - ph_len = ipv6_pseudoheader_size + local ph_len = ipv6_pseudoheader_size local base_checksum = checksum.ipsum(ffi.cast("uint8_t*", ph), ph_len, 0) local csum = checksum.ipsum(ns_pkt.data, ns_pkt.length, bit.bnot(base_checksum)) wr16(ns_pkt.data + 2, C.htons(csum)) @@ -268,7 +268,7 @@ local function form_sna(local_eth, local_ipv6, is_router, soliciting_pkt) i:payload_length(na_pkt.length) local ph = i:pseudo_header(na_pkt.length, proto_icmpv6) - ph_len = ipv6_pseudoheader_size + local ph_len = ipv6_pseudoheader_size local base_checksum = checksum.ipsum(ffi.cast("uint8_t*", ph), ph_len, 0) local csum = checksum.ipsum(na_pkt.data, na_pkt.length, bit.bnot(base_checksum)) wr16(na_pkt.data + 2, C.htons(csum)) @@ -283,9 +283,10 @@ end local function verify_icmp_checksum(pkt) local offset = ethernet_header_size + o_ipv6_payload_len local icmp_length = C.ntohs(rd16(pkt.data + offset)) - ph_csum = checksum_pseudoheader_from_header(pkt.data + ethernet_header_size) - local a = checksum.ipsum(pkt.data + eth_ipv6_size, icmp_length, bit.bnot(ph_csum)) - local raw_without_pseudo = checksum.ipsum(pkt.data + eth_ipv6_size, icmp_length, 0) + local ph_csum = checksum_pseudoheader_from_header( + pkt.data + ethernet_header_size) + local a = checksum.ipsum(pkt.data + eth_ipv6_size, icmp_length, bit.bnot( + ph_csum)) return a == 0 end diff --git a/src/apps/lwaftr/nh_fwd.lua b/src/apps/lwaftr/nh_fwd.lua index ca0a5a161a..5eff140a42 100644 --- a/src/apps/lwaftr/nh_fwd.lua +++ b/src/apps/lwaftr/nh_fwd.lua @@ -158,7 +158,7 @@ function nh_fwd4:push () -- IPv4 from Wire. if input_wire then - for _=1,link.nreadable(input_wire) do + for _ = 1, link.nreadable(input_wire) do local pkt = receive(input_wire) local ipv4_address = self.ipv4_address local ipv4_hdr = get_ethernet_payload(pkt) @@ -176,7 +176,7 @@ function nh_fwd4:push () -- IPv4 from VM. if input_vm then - for _=1,link.nreadable(input_vm) do + for _ = 1, link.nreadable(input_vm) do local pkt = receive(input_vm) local ether_dhost = get_ether_dhost_ptr(pkt) local ipv4_hdr = get_ethernet_payload(pkt) @@ -200,7 +200,7 @@ function nh_fwd4:push () -- IPv4 from Service. if input_service then - for _=1,link.nreadable(input_service) do + for _ = 1, link.nreadable(input_service) do local pkt = receive(input_service) local ether_dhost = get_ether_dhost_ptr(pkt) @@ -265,7 +265,7 @@ function nh_fwd6:push () -- IPv6 from Wire. if input_wire then - for _=1,link.nreadable(input_wire) do + for _ = 1, link.nreadable(input_wire) do local pkt = receive(input_wire) local ipv6_header = get_ethernet_payload(pkt) local proto = get_ipv6_next_header(ipv6_header) @@ -282,7 +282,7 @@ function nh_fwd6:push () -- IPv6 from VM. if input_vm then - for _=1,link.nreadable(input_vm) do + for _ = 1, link.nreadable(input_vm) do local pkt = receive(input_vm) local ether_dhost = get_ether_dhost_ptr(pkt) local ipv6_hdr = get_ethernet_payload(pkt) @@ -304,7 +304,7 @@ function nh_fwd6:push () -- IPv6 from Service. if input_service then - for _=1,link.nreadable(input_service) do + for _ = 1, link.nreadable(input_service) do local pkt = receive(input_service) local ether_dhost = get_ether_dhost_ptr(pkt) diff --git a/src/apps/lwaftr/podhashmap.lua b/src/apps/lwaftr/podhashmap.lua index 41cfdbc97a..a98761a66d 100644 --- a/src/apps/lwaftr/podhashmap.lua +++ b/src/apps/lwaftr/podhashmap.lua @@ -595,7 +595,7 @@ function selftest() io.write('iteration check: ') io.flush() local iterated = 0 - for entry in rhh:iterate() do iterated = iterated + 1 end + for _ in rhh:iterate() do iterated = iterated + 1 end assert(iterated == occupancy) io.write('pass\n') diff --git a/src/apps/lwaftr/test_phm_lookup.lua b/src/apps/lwaftr/test_phm_lookup.lua index 1ecbb60340..fe436a33de 100644 --- a/src/apps/lwaftr/test_phm_lookup.lua +++ b/src/apps/lwaftr/test_phm_lookup.lua @@ -1,5 +1,4 @@ local ffi = require('ffi') -local bit = require('bit') local phm = require("apps.lwaftr.podhashmap") local stream = require("apps.lwaftr.stream") diff --git a/src/apps/lwaftr/test_phm_streaming_lookup.lua b/src/apps/lwaftr/test_phm_streaming_lookup.lua index e09de38f54..86cee269c9 100644 --- a/src/apps/lwaftr/test_phm_streaming_lookup.lua +++ b/src/apps/lwaftr/test_phm_streaming_lookup.lua @@ -1,5 +1,4 @@ local ffi = require('ffi') -local bit = require('bit') local phm = require("apps.lwaftr.podhashmap") local stream = require("apps.lwaftr.stream") From 3e4fef141164595f8d2ea8791596ce751253c3b2 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Fri, 14 Oct 2016 17:29:12 +0200 Subject: [PATCH 288/340] Add docs for packet reassembly config settings (#478) --- .../lwaftr/doc/README.configuration.md | 21 ++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/src/program/lwaftr/doc/README.configuration.md b/src/program/lwaftr/doc/README.configuration.md index c8d0f704eb..3cad3ca289 100644 --- a/src/program/lwaftr/doc/README.configuration.md +++ b/src/program/lwaftr/doc/README.configuration.md @@ -1,6 +1,9 @@ # Configuration -The lwAFTR is configured by a text file. Here's an example: +The lwAFTR is configured by a text file. Where applicable, default values can +be found in [the code](../../../../apps/lwaftr/conf.lua#L72). + +Here's an example: ``` aftr_ipv4_ip = 10.10.10.10 @@ -18,6 +21,9 @@ icmpv6_rate_limiter_n_seconds=4 inet_mac = 68:68:68:68:68:68 ipv4_mtu = 1460 ipv6_mtu = 1500 +max_fragments_per_reassembly_packet = 1, +max_ipv6_reassembly_packets = 10, +max_ipv4_reassembly_packets = 10, policy_icmpv4_incoming = ALLOW policy_icmpv6_incoming = ALLOW policy_icmpv4_outgoing = ALLOW @@ -125,6 +131,19 @@ The MTU settings are used to determine whether a packet needs to be fragmented. The current MTU handling is otherwise underdeveloped. It is not dynamically updated on receiving ICMP packet too big messages. +### Packet reassembly + +``` +max_fragments_per_reassembly_packet = 1, +max_ipv6_reassembly_packets = 10, +max_ipv4_reassembly_packets = 10, +``` + +A packet might be split into several fragments, from which it will be +reassembled. The maximum allowed number of fragments per packet can be set. +The maximum simultaneous number of packets undergoing reassembly can also be +set separately for IPv4 and IPv6. + ### ICMP handling policies ``` From 3e61642f3f9a3a2df32ad4259411f2ac8beb54c4 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Fri, 14 Oct 2016 17:51:59 +0200 Subject: [PATCH 289/340] Convert lwaftr V4V6, generator, nh_fwd apps to new config Adapts these applications to work with the new config system in v2016.10. --- src/apps/lwaftr/V4V6.lua | 11 ++++-- src/apps/lwaftr/generator.lua | 63 ++++++++++++++++++++++++----------- src/apps/lwaftr/nh_fwd.lua | 45 +++++++++++++++---------- 3 files changed, 79 insertions(+), 40 deletions(-) diff --git a/src/apps/lwaftr/V4V6.lua b/src/apps/lwaftr/V4V6.lua index 43bfba8d8d..1cce2dc6b3 100644 --- a/src/apps/lwaftr/V4V6.lua +++ b/src/apps/lwaftr/V4V6.lua @@ -60,12 +60,17 @@ local function mirror_ipv6 (pkt, output, ipv4_num) end end -V4V6 = {} +V4V6 = { + config = { + description = {default="V4V6"}, + mirror = {default=false}, + } +} function V4V6:new (conf) local o = { - description = conf.description or "V4V6", - mirror = conf.mirror or false, + description = conf.description, + mirror = conf.mirror, } return setmetatable(o, {__index = V4V6}) end diff --git a/src/apps/lwaftr/generator.lua b/src/apps/lwaftr/generator.lua index 258692490c..ff1f0914b7 100644 --- a/src/apps/lwaftr/generator.lua +++ b/src/apps/lwaftr/generator.lua @@ -47,27 +47,38 @@ local PROTO_IPV4_ENCAPSULATION = 0x4 local PROTO_IPV6 = C.htons(0x86DD) local PROTO_UDP = 17 -from_inet = {} +from_inet = { + config = { + psid_len = {required=true}, + shift = {}, + start_inet = {required=true}, + max_packets = {}, + max_packets_per_iter = {}, + num_ips = {}, + packet_size = {default=550}, + src_mac = {required=true}, + dst_mac = {required=true}, + vlan_tag = {} + } +} function from_inet:new(conf) - if not conf.shift then conf.shift = 16 - conf.psid_len end - assert(conf.psid_len + conf.shift == 16) - local psid_len, shift = conf.psid_len, conf.shift + local psid_len = conf.psid_len + local shift = conf.shift or 16 - conf.psid_len + assert(psid_len + shift == 16) local start_inet = ipv4:pton(conf.start_inet) local start_port = 2^shift - if conf.max_packets then - conf.max_packets_per_iter = conf.max_packets - end + local max_packets_per_iter = conf.max_packets or conf.max_packets_per_iter local o = { dst_ip = start_inet, dst_port = start_port, inc_port = 2^shift, - max_packets_per_iter = conf.max_packets_per_iter or 10, + max_packets_per_iter = max_packets_per_iter or 10, iter_count = 1, -- Iteration counter. Reset when overpasses max_packet_per_iter. - num_ips = conf.num_ips or 10, + num_ips = conf.num_ips, ip_count = 1, -- IPv4 counter. Reset when overpasses num_ips. max_packets = conf.max_packets, - packet_size = conf.packet_size or 550, + packet_size = conf.packet_size, psid_count = 1, psid_max = 2^psid_len, start_inet = start_inet, @@ -205,28 +216,40 @@ function inc_ipv4(ipv4) end -from_b4 = {} +from_b4 = { + config = { + psid_len = {required=true}, + shift = {}, + start_inet = {required=true}, + start_b4 = {required=true}, + br = {required=true}, + max_packets = {}, + max_packets_per_iter = {}, + num_ips = {}, + packet_size = {default=550}, + src_mac = {required=true}, + dst_mac = {required=true}, + vlan_tag = {} + } +} function from_b4:new(conf) - if not conf.shift then conf.shift = 16 - conf.psid_len end - assert(conf.psid_len + conf.shift == 16) - local psid_len, shift = conf.psid_len, conf.shift + local psid_len = conf.psid_len + local shift = conf.shift or 16 - conf.psid_len + assert(psid_len + shift == 16) local start_inet = ipv4:pton(conf.start_inet) local start_b4 = ipv6:pton(conf.start_b4) local start_port = 2^shift - local packet_size = conf.packet_size or 550 packet_size = packet_size - ipv6_header_size - if conf.max_packets then - conf.max_packets_per_iter = conf.max_packets - end + local max_packets_per_iter = conf.max_packets or conf.max_packets_per_iter local o = { br = ipv6:pton(conf.br), inc_port = 2^shift, ip_count = 1, iter_count = 1, - max_packets_per_iter = conf.max_packets_per_iter or 10, + max_packets_per_iter = max_packets_per_iter or 10, max_packets = conf.max_packets, - num_ips = conf.num_ips or 10, + num_ips = conf.num_ips, packet_size = packet_size, psid_count = 1, psid_max = 2^psid_len, diff --git a/src/apps/lwaftr/nh_fwd.lua b/src/apps/lwaftr/nh_fwd.lua index ca0a5a161a..2f2b8cd862 100644 --- a/src/apps/lwaftr/nh_fwd.lua +++ b/src/apps/lwaftr/nh_fwd.lua @@ -19,8 +19,25 @@ local htons = lib.htons local rd16, rd32, wr16 = lwutil.rd16, lwutil.rd32, lwutil.wr16 local ipv6_equals = lwutil.ipv6_equals -nh_fwd4 = {} -nh_fwd6 = {} +nh_fwd4 = { + config = { + mac_address = {required=true}, + service_mac = {required=false, default=nil}, + ipv4_address = {required=true}, + debug = {default=false}, + cache_refresh_interval = {default=0}, + next_hop_mac = {required=false, default=nil} + } +} +nh_fwd6 = { + config = { + mac_address = {required=true}, + service_mac = {required=false, default=nil}, + debug = {default=false}, + cache_refresh_interval = {default=0}, + next_hop_mac = {required=false, default=nil} + } +} local ethernet_header_size = constants.ethernet_header_size local n_ether_hdr_size = 14 @@ -118,15 +135,12 @@ local function send_ipv4_cache_trigger(r, pkt, mac) end function nh_fwd4:new (conf) - assert(conf.mac_address, "MAC address is missing") - assert(conf.ipv4_address, "IPv4 address is missing") - local mac_address = ethernet:pton(conf.mac_address) local ipv4_address = rd32(ipv4:pton(conf.ipv4_address)) local service_mac = conf.service_mac and ethernet:pton(conf.service_mac) - local debug = conf.debug or false - local cache_refresh_interval = conf.cache_refresh_interval or 0 - print(("nh_fwd4: cache_refresh_interval set to %d seconds"):format(cache_refresh_interval)) + local debug = conf.debug + print(string.format("nh_fwd4: cache_refresh_interval set to %d seconds", + conf.cache_refresh_interval)) local next_hop_mac = shm.create("next_hop_mac_v4", "struct { uint8_t ether[6]; }") if conf.next_hop_mac then @@ -139,9 +153,9 @@ function nh_fwd4:new (conf) next_hop_mac = next_hop_mac, ipv4_address = ipv4_address, service_mac = service_mac, - debug = debug, + debug = conf.debug, cache_refresh_time = 0, - cache_refresh_interval = cache_refresh_interval + cache_refresh_interval = conf.cache_refresh_interval } return setmetatable(o, {__index = nh_fwd4}) end @@ -228,13 +242,10 @@ function nh_fwd4:push () end function nh_fwd6:new (conf) - assert(conf.mac_address, "MAC address is missing") - local mac_address = ethernet:pton(conf.mac_address) local service_mac = conf.service_mac and ethernet:pton(conf.service_mac) - local debug = conf.debug or false - local cache_refresh_interval = conf.cache_refresh_interval or 0 - print(("nh_fwd6: cache_refresh_interval set to %d seconds"):format(cache_refresh_interval)) + print(string.format("nh_fwd6: cache_refresh_interval set to %d seconds", + conf.cache_refresh_interval)) local next_hop_mac = shm.create("next_hop_mac_v6", "struct { uint8_t ether[6]; }") if conf.next_hop_mac then @@ -246,9 +257,9 @@ function nh_fwd6:new (conf) mac_address = mac_address, next_hop_mac = next_hop_mac, service_mac = service_mac, - debug = debug, + debug = conf.debug, cache_refresh_time = 0, - cache_refresh_interval = cache_refresh_interval + cache_refresh_interval = conf.cache_refresh_interval } return setmetatable(o, {__index = nh_fwd6}) end From 2902ff52071351008897cae5fe0c4d72b09c5d51 Mon Sep 17 00:00:00 2001 From: Nicola 'tekNico' Larosa Date: Fri, 14 Oct 2016 18:33:57 +0200 Subject: [PATCH 290/340] Several changes reverted after review --- src/apps/lwaftr/binding_table.lua | 14 +++++++------- src/apps/lwaftr/channel.lua | 6 ++---- src/apps/lwaftr/ctable_wrapper.lua | 6 +++--- src/apps/lwaftr/lwaftr.lua | 13 ++++++------- src/apps/lwaftr/podhashmap.lua | 2 +- 5 files changed, 19 insertions(+), 22 deletions(-) diff --git a/src/apps/lwaftr/binding_table.lua b/src/apps/lwaftr/binding_table.lua index b7089e8054..f51e608fcc 100644 --- a/src/apps/lwaftr/binding_table.lua +++ b/src/apps/lwaftr/binding_table.lua @@ -65,7 +65,7 @@ module(..., package.seeall) local bit = require('bit') local ffi = require("ffi") -local lwstream = require("apps.lwaftr.stream") +local stream = require("apps.lwaftr.stream") local lwdebug = require("apps.lwaftr.lwdebug") local Parser = require("apps.lwaftr.conf_parser").Parser local rangemap = require("apps.lwaftr.rangemap") @@ -308,7 +308,7 @@ function BindingTable:iterate_softwires() end function BindingTable:save(filename, mtime_sec, mtime_nsec) - local out = lwstream.open_temporary_output_byte_stream(filename) + local out = stream.open_temporary_output_byte_stream(filename) out:write_ptr(binding_table_header_t( BINDING_TABLE_MAGIC, BINDING_TABLE_VERSION, mtime_sec or 0, mtime_nsec or 0)) @@ -508,7 +508,7 @@ local function log(msg, ...) end function load(file) - local source = lwstream.open_input_byte_stream(file) + local source = stream.open_input_byte_stream(file) if has_magic(source) then log('loading compiled binding table from %s', file) return load_compiled(source) @@ -519,7 +519,7 @@ function load(file) -- in a well-known place. local compiled_file = file:gsub("%.txt$", "")..'.o' - local compiled_stream = maybe(lwstream.open_input_byte_stream, + local compiled_stream = maybe(stream.open_input_byte_stream, compiled_file) if compiled_stream then if has_magic(compiled_stream) then @@ -598,12 +598,12 @@ function selftest() map = load(tmp) os.remove(tmp) - tmp = os.tmpname() + local tmp = os.tmpname() map:save(tmp) map = load(tmp) os.remove(tmp) - tmp = os.tmpname() + local tmp = os.tmpname() map:dump(tmp) map = load(tmp) os.remove(tmp) @@ -672,7 +672,7 @@ function selftest() do local i = 0 - for _ in map:iterate_softwires() do i = i + 1 end + for entry in map:iterate_softwires() do i = i + 1 end -- 11 softwires in above example. Since they are hashed into an -- arbitrary order, we can't assert much about the iteration. assert(i == 11) diff --git a/src/apps/lwaftr/channel.lua b/src/apps/lwaftr/channel.lua index c7fc96f199..010ead18d1 100644 --- a/src/apps/lwaftr/channel.lua +++ b/src/apps/lwaftr/channel.lua @@ -51,8 +51,7 @@ local function create_ring_buffer (name, size) end local len = ffi.sizeof(ring_buffer_t, size) assert(fd:ftruncate(len), "ring buffer: ftruncate failed") - local mem - mem, err = S.mmap(nil, len, "read, write", "shared", fd, 0) + local mem, err = S.mmap(nil, len, "read, write", "shared", fd, 0) fd:close() if mem == nil then error("mmap failed: " .. tostring(err)) end mem = ffi.cast(ffi.typeof("$*", ring_buffer_t), mem) @@ -73,8 +72,7 @@ local function open_ring_buffer (pid, name) if len < ffi.sizeof(ring_buffer_t, 0) then error("unexpected size for ring buffer") end - local mem - mem, err = S.mmap(nil, len, "read, write", "shared", fd, 0) + local mem, err = S.mmap(nil, len, "read, write", "shared", fd, 0) fd:close() if mem == nil then error("mmap failed: " .. tostring(err)) end mem = ffi.cast(ffi.typeof("$*", ring_buffer_t), mem) diff --git a/src/apps/lwaftr/ctable_wrapper.lua b/src/apps/lwaftr/ctable_wrapper.lua index 0689307056..9f22aa220a 100644 --- a/src/apps/lwaftr/ctable_wrapper.lua +++ b/src/apps/lwaftr/ctable_wrapper.lua @@ -73,12 +73,12 @@ function selftest() for j=0,5 do v[j] = bnot(i) end local newest_index = ctab:add_with_random_ejection(i, v) local iterated = 0 - for _ in ctab:iterate() do iterated = iterated + 1 end + for entry in ctab:iterate() do iterated = iterated + 1 end assert(old_occupancy == ctab.occupancy, "bad random ejection!") ctab:remove_ptr(ctab.entries + newest_index, false) - iterated = 0 - for _ in ctab:iterate() do iterated = iterated + 1 end + local iterated = 0 + for entry in ctab:iterate() do iterated = iterated + 1 end assert(iterated == ctab.occupancy) assert(iterated == old_occupancy - 1) -- OK, all looking good with our ctab. diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 5ce0cf851a..e86682360a 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -18,7 +18,6 @@ local counter = require("core.counter") local packet = require("core.packet") local lib = require("core.lib") local bit = require("bit") -local ffi = require("ffi") local band, bnot = bit.band, bit.bnot local rshift, lshift = bit.rshift, bit.lshift @@ -203,7 +202,7 @@ local function init_transmit_icmpv4_reply (lwstate) local icmpv4_rate_limiter_n_packets = lwstate.icmpv4_rate_limiter_n_packets local num_packets = 0 local last_time - return function (pkt, orig_pkt, orig_pkt_link) + return function (o, pkt, orig_pkt, orig_pkt_link) local now = tonumber(engine.now()) last_time = last_time or now -- Reset if elapsed time reached. @@ -390,7 +389,7 @@ local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, pkt_src_link) lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, to_ip, pkt, icmp_config) - return transmit_icmpv4_reply(icmp_dis, pkt, pkt_src_link) + return transmit_icmpv4_reply(lwstate, icmp_dis, pkt, pkt_src_link) end -- ICMPv6 type 1 code 5, as per RFC 7596. @@ -466,7 +465,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, dst_ip, pkt, icmp_config) - return transmit_icmpv4_reply(reply, pkt, pkt_src_link) + return transmit_icmpv4_reply(lwstate, reply, pkt, pkt_src_link) end if debug then print("ipv6", ipv6_src, ipv6_dst) end @@ -484,7 +483,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr return drop_ipv4(lwstate, pkt, pkt_src_link) end local reply = cannot_fragment_df_packet_error(lwstate, pkt) - return transmit_icmpv4_reply(reply, pkt, pkt_src_link) + return transmit_icmpv4_reply(lwstate, reply, pkt, pkt_src_link) end local payload_length = get_ethernet_payload_length(pkt) @@ -690,7 +689,7 @@ local function icmpv6_incoming(lwstate, pkt) local reply = tunnel_unreachable(lwstate, pkt, constants.icmpv4_datagram_too_big_df, mtu) - return transmit_icmpv4_reply(reply, pkt) + return transmit_icmpv4_reply(lwstate, reply, pkt) -- Take advantage of having already checked for 'packet too big' (2), and -- unreachable node/hop limit exceeded/paramater problem being 1, 3, 4 respectively elseif icmp_type <= constants.icmpv6_parameter_problem then @@ -709,7 +708,7 @@ local function icmpv6_incoming(lwstate, pkt) -- Accept all unreachable or parameter problem codes local reply = tunnel_unreachable(lwstate, pkt, constants.icmpv4_host_unreachable) - return transmit_icmpv4_reply(reply, pkt) + return transmit_icmpv4_reply(lwstate, reply, pkt) else -- No other types of ICMPv6, including echo request/reply, are -- handled. diff --git a/src/apps/lwaftr/podhashmap.lua b/src/apps/lwaftr/podhashmap.lua index a98761a66d..41cfdbc97a 100644 --- a/src/apps/lwaftr/podhashmap.lua +++ b/src/apps/lwaftr/podhashmap.lua @@ -595,7 +595,7 @@ function selftest() io.write('iteration check: ') io.flush() local iterated = 0 - for _ in rhh:iterate() do iterated = iterated + 1 end + for entry in rhh:iterate() do iterated = iterated + 1 end assert(iterated == occupancy) io.write('pass\n') From 08ad8ae2f372e3b4f094ca0de92c594f35c86cdd Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 13 Oct 2016 19:23:18 +0200 Subject: [PATCH 291/340] Move fatal, file_exists, dir_exists and nic_exists to lwutil --- src/apps/lwaftr/lwutil.lua | 22 +++++++++++++++++++ src/program/lwaftr/monitor/monitor.lua | 14 ++---------- src/program/lwaftr/run/run.lua | 26 ++++------------------- src/program/lwaftr/run_nohw/run_nohw.lua | 8 +++---- src/program/snabbvmx/lwaftr/lwaftr.lua | 15 +++---------- src/program/snabbvmx/lwaftr/setup.lua | 27 +++--------------------- src/program/snabbvmx/nexthop/nexthop.lua | 9 +++----- src/program/snabbvmx/query/query.lua | 9 +------- 8 files changed, 41 insertions(+), 89 deletions(-) diff --git a/src/apps/lwaftr/lwutil.lua b/src/apps/lwaftr/lwutil.lua index b13331f3fa..86cf56a6d2 100644 --- a/src/apps/lwaftr/lwutil.lua +++ b/src/apps/lwaftr/lwutil.lua @@ -2,6 +2,7 @@ module(..., package.seeall) local constants = require("apps.lwaftr.constants") +local S = require("syscall") local bit = require("bit") local ffi = require("ffi") local lib = require("core.lib") @@ -94,3 +95,24 @@ function write_to_file(filename, content) fd:write(content) fd:close() end + +function fatal (msg) + print(msg) + main.exit(1) +end + +function file_exists(path) + local stat = S.stat(path) + return stat and stat.isreg +end + +function dir_exists(path) + local stat = S.stat(path) + return stat and stat.isdir +end + +function nic_exists(pci_addr) + local devices="/sys/bus/pci/devices" + return dir_exists(("%s/%s"):format(devices, pci_addr)) or + dir_exists(("%s/0000:%s"):format(devices, pci_addr)) +end diff --git a/src/program/lwaftr/monitor/monitor.lua b/src/program/lwaftr/monitor/monitor.lua index 3be4dea318..432355f434 100644 --- a/src/program/lwaftr/monitor/monitor.lua +++ b/src/program/lwaftr/monitor/monitor.lua @@ -1,11 +1,12 @@ module(..., package.seeall) -local S = require("syscall") local ffi = require("ffi") local ipv4 = require("lib.protocol.ipv4") local lib = require("core.lib") +local lwutil = require("apps.lwaftr.lwutil") local shm = require("core.shm") +local fatal, file_exists = lwutil.fatal, lwutil.file_exists local uint32_ptr_t = ffi.typeof('uint32_t*') local long_opts = { @@ -15,11 +16,6 @@ local long_opts = { local MIRROR_NOTHING = "0.0.0.0" local MIRROR_EVERYTHING = "255.255.255.255" -local function fatal (msg) - print(msg) - main.exit(1) -end - local function usage (code) print(require("program.lwaftr.monitor.README_inc")) main.exit(code) @@ -47,12 +43,6 @@ local function ipv4_to_num (addr) return arr[3] * 2^24 + arr[2] * 2^16 + arr[1] * 2^8 + arr[0] end --- TODO: Refactor to a common library. -local function file_exists(path) - local stat = S.stat(path) - return stat and stat.isreg -end - local function find_lwaftr_process (pid) -- Check process has v4v6_mirror defined. if pid then diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index 401554d141..51cc36b2dc 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -7,34 +7,16 @@ local lib = require("core.lib") local numa = require("lib.numa") local setup = require("program.lwaftr.setup") local ingress_drop_monitor = require("lib.timers.ingress_drop_monitor") +local lwutil = require("apps.lwaftr.lwutil") + +local fatal, file_exists = lwutil.fatal, lwutil.file_exists +local nic_exists = lwutil.nic_exists local function show_usage(exit_code) print(require("program.lwaftr.run.README_inc")) if exit_code then main.exit(exit_code) end end -local function fatal(msg) - show_usage() - print('error: '..msg) - main.exit(1) -end - -local function file_exists(path) - local stat = S.stat(path) - return stat and stat.isreg -end - -local function dir_exists(path) - local stat = S.stat(path) - return stat and stat.isdir -end - -local function nic_exists(pci_addr) - local devices="/sys/bus/pci/devices" - return dir_exists(("%s/%s"):format(devices, pci_addr)) or - dir_exists(("%s/0000:%s"):format(devices, pci_addr)) -end - function parse_args(args) if #args == 0 then show_usage(1) end local conf_file, v4, v6 diff --git a/src/program/lwaftr/run_nohw/run_nohw.lua b/src/program/lwaftr/run_nohw/run_nohw.lua index c7d6d92f1a..07c44e0766 100644 --- a/src/program/lwaftr/run_nohw/run_nohw.lua +++ b/src/program/lwaftr/run_nohw/run_nohw.lua @@ -6,6 +6,9 @@ local RawSocket = require("apps.socket.raw").RawSocket local LwAftr = require("apps.lwaftr.lwaftr").LwAftr local lib = require("core.lib") local S = require("syscall") +local lwutil = require("apps.lwaftr.lwutil") + +local file_exists = lwutil.file_exists local function check(flag, fmt, ...) if not flag then @@ -14,11 +17,6 @@ local function check(flag, fmt, ...) end end -local function file_exists(path) - local stat = S.stat(path) - return stat and stat.isreg -end - local function parse_args(args) local verbosity = 0 local conf_file, b4_if, inet_if diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index 7550e0fc6a..2c14bbfc48 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -1,14 +1,16 @@ module(..., package.seeall) -local S = require("syscall") local config = require("core.config") local ingress_drop_monitor = require("lib.timers.ingress_drop_monitor") local lib = require("core.lib") local lwcounter = require("apps.lwaftr.lwcounter") local lwtypes = require("apps.lwaftr.lwtypes") +local lwutil = require("apps.lwaftr.lwutil") local setup = require("program.snabbvmx.lwaftr.setup") local shm = require("core.shm") +local fatal, file_exists = lwutil.fatal, lwutil.file_exists + local DEFAULT_MTU = 9500 local function show_usage (exit_code) @@ -16,17 +18,6 @@ local function show_usage (exit_code) main.exit(exit_code) end --- TODO: Duplicated in other source files. Move to a common place. -local function fatal (msg) - print(msg) - main.exit(1) -end - -local function file_exists (path) - local stat = S.stat(path) - return stat and stat.isreg -end - local function set_ring_buffer_size(ring_buffer_size) print(("Ring buffer size set to %d"):format(ring_buffer_size)) require('apps.intel.intel10g').num_descriptors = ring_buffer_size diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index be5caa4a78..2e33de3fed 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -1,7 +1,6 @@ module(..., package.seeall) local PcapFilter = require("apps.packet_filter.pcap_filter").PcapFilter -local S = require("syscall") local V4V6 = require("apps.lwaftr.V4V6").V4V6 local VhostUser = require("apps.vhost.vhost_user").VhostUser local basic_apps = require("apps.basic.basic_apps") @@ -13,37 +12,22 @@ local ipv6_apps = require("apps.lwaftr.ipv6_apps") local lib = require("core.lib") local lwaftr = require("apps.lwaftr.lwaftr") local lwcounter = require("apps.lwaftr.lwcounter") +local lwutil = require("apps.lwaftr.lwutil") local nh_fwd = require("apps.lwaftr.nh_fwd") local pci = require("lib.hardware.pci") local raw = require("apps.socket.raw") local tap = require("apps.tap.tap") local pcap = require("apps.pcap.pcap") +local fatal, file_exists = lwutil.fatal, lwutil.file_exists +local dir_exists, nic_exists = lwutil.dir_exists, lwutil.nic_exists local yesno = lib.yesno --- TODO: Duplicated in other source files. Move to a common place. -local function dir_exists (path) - local stat = S.stat(path) - return stat and stat.isdir -end - --- TODO: Duplicated in other source files. Move to a common place. -local function nic_exists (pci_addr) - local devices="/sys/bus/pci/devices" - return dir_exists(("%s/%s"):format(devices, pci_addr)) or - dir_exists(("%s/0000:%s"):format(devices, pci_addr)) -end - local function net_exists (pci_addr) local devices="/sys/class/net" return dir_exists(("%s/%s"):format(devices, pci_addr)) end -local function fatal (msg) - print(msg) - main.exit(1) -end - local function load_driver (pciaddr) local device_info = pci.device_info(pciaddr) return require(device_info.driver).driver @@ -293,11 +277,6 @@ function lwaftr_app(c, conf, lwconf, sock_path) end end -local function file_exists (path) - local stat = S.stat(path) - return stat and stat.isreg -end - local function load_conf (conf_filename) local function load_lwaftr_config (conf, conf_filename) local filename = conf.lwaftr diff --git a/src/program/snabbvmx/nexthop/nexthop.lua b/src/program/snabbvmx/nexthop/nexthop.lua index 5856050d2d..bc1b20565f 100644 --- a/src/program/snabbvmx/nexthop/nexthop.lua +++ b/src/program/snabbvmx/nexthop/nexthop.lua @@ -4,8 +4,11 @@ local S = require("syscall") local ethernet = require("lib.protocol.ethernet") local ffi = require("ffi") local lib = require("core.lib") +local lwutil = require("apps.lwaftr.lwutil") local shm = require("core.shm") +local file_exists = lwutil.file_exists + local macaddress_t = ffi.typeof[[ struct { uint8_t ether[6]; } ]] @@ -19,12 +22,6 @@ local function usage (code) main.exit(code) end --- TODO: Refactor to a general common purpose library. -local function file_exists(path) - local stat = S.stat(path) - return stat and stat.isreg -end - local function parse_args (args) local handlers = {} function handlers.h (arg) usage(0) end diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua index 3da83a589e..1a3fd4debd 100644 --- a/src/program/snabbvmx/query/query.lua +++ b/src/program/snabbvmx/query/query.lua @@ -1,6 +1,5 @@ module(..., package.seeall) -local S = require("syscall") local counter = require("core.counter") local ffi = require("ffi") local lib = require("core.lib") @@ -10,7 +9,7 @@ local lwtypes = require("apps.lwaftr.lwtypes") local lwutil = require("apps.lwaftr.lwutil") local shm = require("core.shm") -local keys = lwutil.keys +local keys, file_exists = lwutil.keys, lwutil.file_exists local macaddress_t = ffi.typeof[[ struct { uint8_t ether[6]; } @@ -52,12 +51,6 @@ local function read_counters (tree, app_name) return ret end --- TODO: Refactor to a general common purpose library. -local function file_exists(path) - local stat = S.stat(path) - return stat and stat.isreg -end - local function print_next_hop (pid, name) local next_hop_mac = "/" .. pid .. "/" .. name if file_exists(shm.root .. next_hop_mac) then From f007d1f6bb04c149d40c99908fc572633a265661 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 13 Oct 2016 19:22:55 +0200 Subject: [PATCH 292/340] Import missing function fatal --- src/program/lwaftr/loadtest/loadtest.lua | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/program/lwaftr/loadtest/loadtest.lua b/src/program/lwaftr/loadtest/loadtest.lua index ea753ebfba..37cfc449f9 100644 --- a/src/program/lwaftr/loadtest/loadtest.lua +++ b/src/program/lwaftr/loadtest/loadtest.lua @@ -12,6 +12,9 @@ local PcapReader = require("apps.pcap.pcap").PcapReader local lib = require("core.lib") local numa = require("lib.numa") local promise = require("program.lwaftr.loadtest.promise") +local lwutil = require("apps.lwaftr.lwutil") + +local fatal = lwutil.fatal local WARM_UP_BIT_RATE = 5e9 local WARM_UP_TIME = 2 From d10047510bf0813ed66d4ee0d99e4c364cf7ac13 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 13 Oct 2016 17:57:51 +0000 Subject: [PATCH 293/340] Allow to set monitor by id. - Tidy up code and remove unused variables. --- src/program/lwaftr/monitor/monitor.lua | 93 +++++++++++++++++--------- 1 file changed, 62 insertions(+), 31 deletions(-) diff --git a/src/program/lwaftr/monitor/monitor.lua b/src/program/lwaftr/monitor/monitor.lua index 432355f434..067179d394 100644 --- a/src/program/lwaftr/monitor/monitor.lua +++ b/src/program/lwaftr/monitor/monitor.lua @@ -3,11 +3,11 @@ module(..., package.seeall) local ffi = require("ffi") local ipv4 = require("lib.protocol.ipv4") local lib = require("core.lib") +local lwtypes = require("apps.lwaftr.lwtypes") local lwutil = require("apps.lwaftr.lwutil") local shm = require("core.shm") -local fatal, file_exists = lwutil.fatal, lwutil.file_exists -local uint32_ptr_t = ffi.typeof('uint32_t*') +local fatal = lwutil.fatal local long_opts = { help = "h" @@ -28,6 +28,8 @@ local function parse_args (args) end args = lib.dogetopt(args, handlers, "h", long_opts) if #args < 1 or #args > 2 then usage(1) end + + -- Return address and pid. if #args == 1 then local maybe_pid = tonumber(args[1]) if maybe_pid then @@ -38,57 +40,86 @@ local function parse_args (args) return args[1], args[2] end -local function ipv4_to_num (addr) - local arr = ipv4:pton(addr) - return arr[3] * 2^24 + arr[2] * 2^16 + arr[1] * 2^8 + arr[0] +local function find_pid_by_id (id) + for _, pid in ipairs(shm.children("/")) do + local path = "/"..pid.."/nic/id" + if shm.exists(path) then + local lwaftr_id = shm.open(path, lwtypes.lwaftr_id_type) + if ffi.string(lwaftr_id.value) == id then + return pid + end + end + end end -local function find_lwaftr_process (pid) +local function find_mirror_path (pid) -- Check process has v4v6_mirror defined. if pid then - pid = assert(tonumber(pid), ("Incorrect PID value: '%s'"):format(pid)) - local v4v6_mirror = "/"..pid.."/v4v6_mirror" - if not file_exists(shm.root..v4v6_mirror) then + -- Pid is an id. + if not tonumber(pid) then + pid = find_pid_by_id(pid) + if not pid then + fatal("Invalid lwAFTR id '%s'"):format(pid) + end + end + -- Pid exists? + if not shm.exists("/"..pid) then + fatal(("No Snabb instance with pid '%d'"):format(pid)) + end + -- Check process has v4v6_mirror defined. + local path = "/"..pid.."/v4v6_mirror" + if not shm.exists(path) then fatal(("lwAFTR process '%d' is not running in mirroring mode"):format(pid)) end - return v4v6_mirror + return path, pid end -- Return first process which has v4v6_mirror defined. for _, pid in ipairs(shm.children("/")) do - pid = tonumber(pid) - if pid then - local v4v6_mirror = "/"..pid.."/v4v6_mirror" - if file_exists(shm.root..v4v6_mirror) then - return v4v6_mirror - end + local path = "/"..pid.."/v4v6_mirror" + if shm.exists(path) then + return path, pid end end end -function run (args) - local action, pid = parse_args(args) - local path = find_lwaftr_process(pid) - if not path then - fatal("Couldn't find lwAFTR process running in mirroring mode") +local function set_mirror_address (address, path) + local function ipv4_to_num (addr) + local arr = ipv4:pton(addr) + return arr[3] * 2^24 + arr[2] * 2^16 + arr[1] * 2^8 + arr[0] end - local ipv4_address - if action == "none" then + -- Validate address. + if address == "none" then print("Monitor none") - ipv4_address = MIRROR_NOTHING - elseif action == "all" then + address = MIRROR_NOTHING + elseif address == "all" then print("Monitor all") - ipv4_address = MIRROR_EVERYTHING + address = MIRROR_EVERYTHING else - assert(ipv4:pton(action), - ("Invalid action or incorrect IPv4 address: '%s'"):format(action)) - ipv4_address = action - print(("Mirror address set to '%s'"):format(ipv4_address)) + if not ipv4:pton(address) then + fatal(("Invalid action or incorrect IPv4 address: '%s'"):format(address)) + end end - local ipv4_num = ipv4_to_num(ipv4_address) + -- Set v4v6_mirror. + local ipv4_num = ipv4_to_num(address) local v4v6_mirror = shm.open(path, "struct { uint32_t ipv4; }") v4v6_mirror.ipv4 = ipv4_num shm.unmap(v4v6_mirror) end + +function run (args) + local address, pid = parse_args(args) + local path, pid_number = find_mirror_path(pid) + if not path then + fatal("Couldn't find lwAFTR process running in mirroring mode") + end + + set_mirror_address(address, path) + io.write(("Mirror address set to '%s'"):format(address)) + if not tonumber(pid) then + io.write((" in PID '%d'"):format(pid_number)) + end + io.write("\n") +end From b8953d9badbb9f98179d07696f8476b8aa0a28e6 Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Sat, 15 Oct 2016 07:22:29 +0200 Subject: [PATCH 294/340] set interface mtu based on lwaftr v4/v6 mtu --- src/program/snabbvmx/README.md | 11 ++++++----- src/program/snabbvmx/lwaftr/README | 6 +++--- src/program/snabbvmx/lwaftr/lwaftr.lua | 9 ++++++++- src/program/snabbvmx/lwaftr/setup.lua | 10 +++++++--- 4 files changed, 24 insertions(+), 12 deletions(-) diff --git a/src/program/snabbvmx/README.md b/src/program/snabbvmx/README.md index a483e338d4..50a26e101a 100644 --- a/src/program/snabbvmx/README.md +++ b/src/program/snabbvmx/README.md @@ -53,11 +53,11 @@ source, destination or within an IPv4-in-IPv6 packet. return { lwaftr = "snabbvmx-lwaftr.conf", ipv6_interface = { - mtu = 9500, + cache_refresh_interval = 1, }, ipv4_interface = { - ipv4_address = "10.0.1.1", - mtu = 1460, + ipv4_address = "10.0.1.1", + cache_refresh_interval = 1, }, settings = { vlan = false, @@ -68,8 +68,9 @@ return { lwaftr points to Snabb's lwAFTR configuration file. Othe attributes are further refined by SnabbVMX. Attributes `ipv6_interface` -and `ipv4_interface` are mandatory and they should include the IP addresses -of the correspondent lwAFTR IPv4 and IPv6 interfaces. +and `ipv4_interface` are mandatory and ipv4_interface must include the IP addresses +of the correspondent lwAFTR IPv4 interfaces. The IPv4 address is used to send matching +packets to the VMX instead of trying to find a match in the binding table for encap. Attribute `settings` may include a `vlan` tag attribute, which can be either false in case VLAN tagging is not enabled or a VLAN tag number (0-4095). diff --git a/src/program/snabbvmx/lwaftr/README b/src/program/snabbvmx/lwaftr/README index 2130c0cc80..e1e12ac8de 100644 --- a/src/program/snabbvmx/lwaftr/README +++ b/src/program/snabbvmx/lwaftr/README @@ -22,11 +22,11 @@ Example config file: return { lwaftr = "snabbvmx-lwaftr-xe0.conf", ipv6_interface = { - mtu = 9500, + cache_refresh_interval = 1, }, ipv4_interface = { - ipv4_address = "10.0.1.1", - mtu = 1460, + ipv4_address = "10.0.1.1", + cache_refresh_interval = 1, }, settings = {}, } diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index 2c14bbfc48..b6dd1253ae 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -141,11 +141,18 @@ function run(args) local vlan = conf.settings and conf.settings.vlan or false + local mtu = DEFAULT_MTU + if lwconf.ipv6_mtu then + mtu = lwconf.ipv6_mtu + 14 + end + if lwconf.ipv4_mtu and lwconf.ipv4_mtu > lwconf.ipv6_mtu then + mtu = lwconf.ipv4_mtu + 14 + end conf.interface = { mac_address = mac, pci = pci, id = id, - mtu = DEFAULT_MTU, + mtu = mtu, vlan = vlan, mirror_id = mirror_id, } diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index 2e33de3fed..cf54fe6886 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -48,20 +48,24 @@ local function load_virt (c, nic_id, lwconf, interface) } local v4_nic_name, v6_nic_name = nic_id..'_v4', nic_id..'v6' + local v4_mtu = lwconf.ipv4_mtu + 14 + print(("Setting %s interface MTU to %d"):format(v4_nic_name, v4_mtu)) config.app(c, v4_nic_name, driver, { pciaddr = interface.pci, vmdq = lwconf.vlan_tagging, vlan = lwconf.vlan_tagging and lwconf.v4_vlan_tag, qprdc = qprdc, macaddr = ethernet:ntop(lwconf.aftr_mac_inet_side), - mtu = interface.mtu}) + mtu = v4_mtu}) + local v6_mtu = lwconf.ipv6_mtu + 14 + print(("Setting %s interface MTU to %d"):format(v6_nic_name, v6_mtu)) config.app(c, v6_nic_name, driver, { pciaddr = interface.pci, vmdq = lwconf.vlan_tagging, vlan = lwconf.vlan_tagging and lwconf.v6_vlan_tag, qprdc = qprdc, macaddr = ethernet:ntop(lwconf.aftr_mac_b4_side), - mtu = interface.mtu}) + mtu = v6_mtu}) return v4_nic_name, v6_nic_name end @@ -86,7 +90,7 @@ local function load_phy (c, nic_id, interface) mtu = interface.mtu}) chain_input, chain_output = nic_id .. ".rx", nic_id .. ".tx" elseif net_exists(interface.pci) then - print(("%s network interface %s"):format(nic_id, interface.pci)) + print(("%s network interface %s mtu %d"):format(nic_id, interface.pci, interface.mtu)) if vlan then print(("WARNING: VLAN not supported over %s. %s vlan %d"):format(interface.pci, nic_id, vlan)) end From 025fe10fe8ba00123e066209d084f9d3e00622db Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Mon, 17 Oct 2016 00:37:48 +0200 Subject: [PATCH 295/340] use lwaftr.constants and adjust mtu in case of vlan, cover interface.mtu --- src/program/snabbvmx/lwaftr/lwaftr.lua | 9 +++++++-- src/program/snabbvmx/lwaftr/setup.lua | 15 +++++++++++---- 2 files changed, 18 insertions(+), 6 deletions(-) diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index b6dd1253ae..ec95c8da6c 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -6,6 +6,7 @@ local lib = require("core.lib") local lwcounter = require("apps.lwaftr.lwcounter") local lwtypes = require("apps.lwaftr.lwtypes") local lwutil = require("apps.lwaftr.lwutil") +local constants = require("apps.lwaftr.constants") local setup = require("program.snabbvmx.lwaftr.setup") local shm = require("core.shm") @@ -143,10 +144,14 @@ function run(args) local mtu = DEFAULT_MTU if lwconf.ipv6_mtu then - mtu = lwconf.ipv6_mtu + 14 + mtu = lwconf.ipv6_mtu end if lwconf.ipv4_mtu and lwconf.ipv4_mtu > lwconf.ipv6_mtu then - mtu = lwconf.ipv4_mtu + 14 + mtu = lwconf.ipv4_mtu + end + mtu = mtu + constants.ethernet_header_size + if lwconf.vlan_tagging then + mtu = mtu + 4 end conf.interface = { mac_address = mac, diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index cf54fe6886..bae3ff87ab 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -13,6 +13,7 @@ local lib = require("core.lib") local lwaftr = require("apps.lwaftr.lwaftr") local lwcounter = require("apps.lwaftr.lwcounter") local lwutil = require("apps.lwaftr.lwutil") +local constants = require("apps.lwaftr.constants") local nh_fwd = require("apps.lwaftr.nh_fwd") local pci = require("lib.hardware.pci") local raw = require("apps.socket.raw") @@ -48,7 +49,10 @@ local function load_virt (c, nic_id, lwconf, interface) } local v4_nic_name, v6_nic_name = nic_id..'_v4', nic_id..'v6' - local v4_mtu = lwconf.ipv4_mtu + 14 + local v4_mtu = lwconf.ipv4_mtu + constants.ethernet_header_size + if lwconf.vlan_tagging and lwconf.v4_vlan_tag then + v4_mtu = v4_mtu + 4 + end print(("Setting %s interface MTU to %d"):format(v4_nic_name, v4_mtu)) config.app(c, v4_nic_name, driver, { pciaddr = interface.pci, @@ -56,8 +60,11 @@ local function load_virt (c, nic_id, lwconf, interface) vlan = lwconf.vlan_tagging and lwconf.v4_vlan_tag, qprdc = qprdc, macaddr = ethernet:ntop(lwconf.aftr_mac_inet_side), - mtu = v4_mtu}) - local v6_mtu = lwconf.ipv6_mtu + 14 + mtu = v4_mtu }) + local v6_mtu = lwconf.ipv6_mtu + constants.ethernet_header_size + if lwconf.vlan_tagging and lwconf.v6_vlan_tag then + v6_mtu = v6_mtu + 4 + end print(("Setting %s interface MTU to %d"):format(v6_nic_name, v6_mtu)) config.app(c, v6_nic_name, driver, { pciaddr = interface.pci, @@ -78,7 +85,7 @@ local function load_phy (c, nic_id, interface) if nic_exists(interface.pci) then local driver = load_driver(interface.pci) local vlan = interface.vlan and tonumber(interface.vlan) - print(("%s ether %s"):format(nic_id, interface.mac_address)) + print(("%s network ether %s mtu %d"):format(nic_id, interface.mac_address, interface.mtu)) if vlan then print(("%s vlan %d"):format(nic_id, vlan)) end From c09e62d32a2d488923953bea0082a12b14b1571e Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Mon, 17 Oct 2016 07:55:35 +0000 Subject: [PATCH 296/340] Fix name of Join output link. --- src/program/lwaftr/setup.lua | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index 9665ba4a72..298380447c 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -256,7 +256,7 @@ function load_check_on_a_stick (c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6 config.link(c, "capturev6.output -> untagv6.input") config.link(c, "untagv4.output -> join.in1") config.link(c, "untagv6.output -> join.in2") - config.link(c, "join.out -> v4v6.input") + config.link(c, "join.output -> v4v6.input") config.link(c, "v4v6.output -> splitter.input") config.link(c, "splitter.v4 -> tagv4.input") config.link(c, "splitter.v6 -> tagv6.input") @@ -265,7 +265,7 @@ function load_check_on_a_stick (c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6 else config.link(c, "capturev4.output -> join.in1") config.link(c, "capturev6.output -> join.in2") - config.link(c, "join.out -> v4v6.input") + config.link(c, "join.output -> v4v6.input") config.link(c, "v4v6.output -> splitter.input") config.link(c, "splitter.v4 -> output_filev4.input") config.link(c, "splitter.v6 -> output_filev6.input") @@ -371,7 +371,7 @@ function load_soak_test_on_a_stick (c, conf, inv4_pcap, inv6_pcap) config.link(c, "loop_v6.output -> untagv6.input") config.link(c, "untagv4.output -> join.in1") config.link(c, "untagv6.output -> join.in2") - config.link(c, "join.out -> v4v6.input") + config.link(c, "join.output -> v4v6.input") config.link(c, "v4v6.output -> splitter.input") config.link(c, "splitter.v4 -> tagv4.input") config.link(c, "splitter.v6 -> tagv6.input") @@ -380,7 +380,7 @@ function load_soak_test_on_a_stick (c, conf, inv4_pcap, inv6_pcap) else config.link(c, "loop_v4.output -> join.in1") config.link(c, "loop_v6.output -> join.in2") - config.link(c, "join.out -> v4v6.input") + config.link(c, "join.output -> v4v6.input") config.link(c, "v4v6.output -> splitter.input") config.link(c, "splitter.v4 -> sink.in1") config.link(c, "splitter.v6 -> sink.in2") From 3f8f337554a0282f579f29012cdcb1c6c4088cb7 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Mon, 17 Oct 2016 09:00:46 +0000 Subject: [PATCH 297/340] Supply nh_fwd app with minimal configuration. --- src/program/snabbvmx/lwaftr/setup.lua | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index be5caa4a78..4cd608f64e 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -44,6 +44,12 @@ local function fatal (msg) main.exit(1) end +local function subset (keys, conf) + local ret = {} + for k,_ in pairs(keys) do ret[k] = conf[k] end + return ret +end + local function load_driver (pciaddr) local device_info = pci.device_info(pciaddr) return require(device_info.driver).driver @@ -246,12 +252,14 @@ function lwaftr_app(c, conf, lwconf, sock_path) if conf.ipv4_interface and conf.ipv6_interface and conf.preloaded_binding_table then print("lwAFTR service: enabled") - config.app(c, "nh_fwd6", nh_fwd.nh_fwd6, conf.ipv6_interface) + config.app(c, "nh_fwd6", nh_fwd.nh_fwd6, + subset(nh_fwd.nh_fwd6.config, conf.ipv6_interface)) config.link(c, v6_output .. " -> nh_fwd6.wire") config.link(c, "nh_fwd6.wire -> " .. v6_input) v6_input, v6_output = "nh_fwd6.vm", "nh_fwd6.vm" - config.app(c, "nh_fwd4", nh_fwd.nh_fwd4, conf.ipv4_interface) + config.app(c, "nh_fwd4", nh_fwd.nh_fwd4, + subset(nh_fwd.nh_fwd4.config, conf.ipv4_interface)) config.link(c, v4_output .. " -> nh_fwd4.wire") config.link(c, "nh_fwd4.wire -> " .. v4_input) v4_input, v4_output = "nh_fwd4.vm", "nh_fwd4.vm" @@ -378,11 +386,13 @@ local function lwaftr_app_check (c, conf, lwconf, sources, sinks) end if conf.ipv4_interface and conf.ipv6_interface then - config.app(c, "nh_fwd6", nh_fwd.nh_fwd6, conf.ipv6_interface) + config.app(c, "nh_fwd6", nh_fwd.nh_fwd6, + subset(nh_fwd.nh_fwd6.config, conf.ipv6_interface)) config.link(c, v6_input.." -> nh_fwd6.wire") config.link(c, "nh_fwd6.wire -> "..v6_output) - config.app(c, "nh_fwd4", nh_fwd.nh_fwd4, conf.ipv4_interface) + config.app(c, "nh_fwd4", nh_fwd.nh_fwd4, + subset(nh_fwd.nh_fwd4.config, conf.ipv4_interface)) config.link(c, v4_input.."-> nh_fwd4.wire") config.link(c, "nh_fwd4.wire -> "..v6_output) From d92abf4cb19e81b6e81765c9563806120ccfdc7d Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 17 Oct 2016 10:14:01 +0000 Subject: [PATCH 298/340] Fix print error message --- src/program/snabbvmx/top/top.lua | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/program/snabbvmx/top/top.lua b/src/program/snabbvmx/top/top.lua index f48f9b6c9e..b8f253063e 100644 --- a/src/program/snabbvmx/top/top.lua +++ b/src/program/snabbvmx/top/top.lua @@ -27,12 +27,12 @@ local function select_snabb_instance_by_id (target_id) end end end - print("Couldn't find instance with id '%s'"):format(target_id) + print(("Couldn't find instance with id '%s'"):format(target_id)) main.exit(1) end local function select_snabb_instance (id) - if tonumber(id) then + if not id or tonumber(id) then return top.select_snabb_instance(id) else return select_snabb_instance_by_id(id) From 2729c6b67e97f3fe5b03eda12c17c6ed98993212 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 17 Oct 2016 10:20:58 +0000 Subject: [PATCH 299/340] Exit snabbvmx top if selected non-lwaftr instance --- src/program/snabbvmx/top/top.lua | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/program/snabbvmx/top/top.lua b/src/program/snabbvmx/top/top.lua index b8f253063e..b337fdfb60 100644 --- a/src/program/snabbvmx/top/top.lua +++ b/src/program/snabbvmx/top/top.lua @@ -4,11 +4,13 @@ local counter = require("core.counter") local ffi = require("ffi") local lib = require("core.lib") local lwcounter = require("apps.lwaftr.lwcounter") +local lwutil = require("apps.lwaftr.lwutil") local lwtypes = require("apps.lwaftr.lwtypes") local shm = require("core.shm") local top = require("program.top.top") local C = ffi.C +local fatal = lwutil.fatal local long_opts = { help = "h" @@ -65,6 +67,10 @@ local counter_names = (function () end end)() +local function has_lwaftr_app (tree) + return shm.exists(tree.."/"..lwcounter.counters_dir) +end + local function open_counters (tree) local function open_counter (name) return counter.open(tree.."/"..lwcounter.counters_dir..name..".counter", 'readonly') @@ -212,6 +218,9 @@ end function run (args) local target_pid = parse_args(args) local instance_tree = "/"..select_snabb_instance(target_pid) + if not has_lwaftr_app(instance_tree) then + fatal("Selected instance doesn't include lwaftr app") + end local counters = open_counters(instance_tree) local last_stats = nil local last_time = nil From 93629e09772c880dbb31df0bcef6bd3a64be00d0 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Mon, 17 Oct 2016 10:46:21 +0000 Subject: [PATCH 300/340] Add tests. --- src/core/packet.lua | 109 ++++++++++++++++++++++++++++++++++++++------ 1 file changed, 94 insertions(+), 15 deletions(-) diff --git a/src/core/packet.lua b/src/core/packet.lua index d32616f128..e33b055490 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -28,6 +28,21 @@ local default_headroom = 256 -- things aligned at least this much. local minimum_alignment = 2 +local function get_alignment (addr, alignment) + -- Precondition: alignment is a power of 2. + return bit.band(addr, alignment - 1) +end +local function get_headroom (ptr) + return get_alignment(ffi.cast("uint64_t", ptr), packet_alignment) +end +local function is_aligned (addr, alignment) + return get_alignment(addr, alignment) == 0 +end +local function headroom_valid (headroom) + return 0 <= headroom and headroom < packet_alignment + and is_aligned(headroom, minimum_alignment) +end + -- Freelist containing empty packets ready for use. ffi.cdef[[ @@ -105,20 +120,17 @@ end -- Move packet data to the left. This shortens the packet by dropping -- the header bytes at the front. function shiftleft (p, bytes) - assert(bytes >= 0 and bytes <= p.length) + assert(0 <= bytes and bytes <= p.length) local ptr = ffi.cast("char*", p) local len = p.length - local headroom = bit.band(ffi.cast("uint64_t", ptr), packet_alignment - 1) - -- We only have a certain amount of headroom, otherwise the end of - -- p.data will point out of our allocation. If we're withing the - -- alignment wiggle room, just move the packet around. Otherwise - -- copy the payload, but also reset the headroom at the same time. - if bytes + headroom < packet_alignment - and bit.band(bytes, minimum_alignment - 1) == 0 then + local headroom = get_headroom(ptr) + if headroom_valid(bytes + headroom) then + -- Fast path: just shift the packet pointer. p = ffi.cast(packet_ptr_t, ptr + bytes) p.length = len - bytes return p else + -- Slow path: shift packet data, resetting the default headroom. local delta_headroom = default_headroom - headroom C.memmove(p.data + delta_headroom, p.data + bytes, len - bytes) p = ffi.cast(packet_ptr_t, ptr + delta_headroom) @@ -132,14 +144,14 @@ end function shiftright (p, bytes) local ptr = ffi.cast("char*", p) local len = p.length - local headroom = bit.band(ffi.cast("uint64_t", ptr), packet_alignment - 1) - if bytes <= headroom and bit.band(bytes, minimum_alignment - 1) == 0 then - -- Take from the headroom. + local headroom = get_headroom(ptr) + if headroom_valid(headroom - bytes) then + -- Fast path: just shift the packet pointer. p = ffi.cast(packet_ptr_t, ptr - bytes) p.length = len + bytes return p else - -- No headroom for the shift; re-set the headroom to the default. + -- Slow path: shift packet data, resetting the default headroom. assert(bytes <= max_payload - len) local delta_headroom = default_headroom - headroom C.memmove(p.data + bytes + delta_headroom, p.data, len) @@ -156,9 +168,7 @@ function from_string (d) return from_pointer(d, #d) end -- Free a packet that is no longer in use. local function free_internal (p) local ptr = ffi.cast("char*", p) - local headroom = bit.band(ffi.cast("uint64_t", ptr), packet_alignment - 1) - p = ffi.cast(packet_ptr_t, ptr - headroom + default_headroom) - p.length = 0 + p = ffi.cast(packet_ptr_t, ptr - get_headroom(ptr) + default_headroom) freelist_add(packets_fl, p) end @@ -189,3 +199,72 @@ function preallocate_step() packet_allocation_step = 2 * packet_allocation_step end +function selftest () + assert(is_aligned(0, 1)) + assert(is_aligned(1, 1)) + assert(is_aligned(2, 1)) + assert(is_aligned(3, 1)) + + assert( is_aligned(0, 2)) + assert(not is_aligned(1, 2)) + assert( is_aligned(2, 2)) + assert(not is_aligned(3, 2)) + + assert( is_aligned(0, 512)) + assert(not is_aligned(1, 512)) + assert(not is_aligned(2, 512)) + assert(not is_aligned(3, 512)) + assert(not is_aligned(510, 512)) + assert(not is_aligned(511, 512)) + assert( is_aligned(512, 512)) + assert(not is_aligned(513, 512)) + + local function is_power_of_2 (x) return bit.band(x, x-1) == 0 end + assert(is_power_of_2(minimum_alignment)) + assert(is_power_of_2(packet_alignment)) + assert(is_aligned(default_headroom, minimum_alignment)) + + local function check_free (p) + free(p) + -- Check that the last packet added to the free list has the + -- default headroom. + local p = new_packet() + assert(get_headroom(p) == default_headroom) + free(p) + end + + local function check_shift(init_len, shift, amount, len, headroom) + local p = new_packet() + p.length = init_len + p = shift(p, amount) + assert(p.length == len) + assert(get_headroom(p) == headroom) + check_free(p) + end + local function check_fast_shift(init_len, shift, amount, len, headroom) + assert(headroom_valid(amount)) + check_shift(init_len, shift, amount, len, headroom) + end + local function check_slow_shift(init_len, shift, amount, len) + check_shift(init_len, shift, amount, len, default_headroom) + end + + check_fast_shift(0, function (p, amt) return p end, 0, 0, default_headroom) + check_fast_shift(0, shiftright, 0, 0, default_headroom) + check_fast_shift(0, shiftright, 10, 10, default_headroom - 10) + check_slow_shift(0, shiftright, 11, 11) + + check_fast_shift(512, shiftleft, 0, 512, default_headroom) + check_fast_shift(512, shiftleft, 10, 502, default_headroom + 10) + check_slow_shift(512, shiftleft, 11, 501) + + check_fast_shift(0, shiftright, default_headroom, default_headroom, 0) + check_slow_shift(0, shiftright, default_headroom + 2, default_headroom + 2) + check_slow_shift(0, shiftright, packet_alignment * 2, packet_alignment * 2) + + check_fast_shift(packet_alignment, shiftleft, + packet_alignment - default_headroom - 2, + default_headroom + 2, packet_alignment - 2) + check_slow_shift(packet_alignment, shiftleft, + packet_alignment - default_headroom, default_headroom) +end From 12f77a31b8f5b5edc6d5056fdf13f93eb38a47d1 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Mon, 17 Oct 2016 11:46:10 +0000 Subject: [PATCH 301/340] Fix allocate/new_packet mixup. --- src/core/packet.lua | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/core/packet.lua b/src/core/packet.lua index e33b055490..828b3aa7fe 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -169,6 +169,7 @@ function from_string (d) return from_pointer(d, #d) end local function free_internal (p) local ptr = ffi.cast("char*", p) p = ffi.cast(packet_ptr_t, ptr - get_headroom(ptr) + default_headroom) + p.length = 0 freelist_add(packets_fl, p) end @@ -228,13 +229,13 @@ function selftest () free(p) -- Check that the last packet added to the free list has the -- default headroom. - local p = new_packet() + local p = allocate() assert(get_headroom(p) == default_headroom) free(p) end local function check_shift(init_len, shift, amount, len, headroom) - local p = new_packet() + local p = allocate() p.length = init_len p = shift(p, amount) assert(p.length == len) From 7bfbba422ed04896f19d9eaaa82fc340754d6c58 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 25 May 2016 13:37:23 +0200 Subject: [PATCH 302/340] Add get_mempolicy, set_mempolicy NUMA syscalls Calling get_mempolicy() will return an object with "mode" and "mask" keys, corresponding to the two output arguments of the get_mempolicy function. The mask is implemented along the lines of cpu_set, except that it can hold any number of bits, defaulting to the size of a long. set_mempolicy(mode, mask) imposes a mode and possibly a mask as well. --- lib/ljsyscall/syscall/linux/c.lua | 7 +++ lib/ljsyscall/syscall/linux/constants.lua | 17 ++++++ lib/ljsyscall/syscall/linux/syscalls.lua | 12 ++++ lib/ljsyscall/syscall/linux/types.lua | 68 +++++++++++++++++++++++ 4 files changed, 104 insertions(+) diff --git a/lib/ljsyscall/syscall/linux/c.lua b/lib/ljsyscall/syscall/linux/c.lua index f914df60e4..356742c402 100644 --- a/lib/ljsyscall/syscall/linux/c.lua +++ b/lib/ljsyscall/syscall/linux/c.lua @@ -347,6 +347,13 @@ function C.sched_setparam(pid, param) return syscall(sys.sched_setparam, int(pid), void(param)) end +function C.get_mempolicy(mode, mask, maxnode, addr, flags) + return syscall(sys.get_mempolicy, void(mode), void(mask), ulong(maxnode), ulong(addr), ulong(flags)) +end +function C.set_mempolicy(mode, mask, maxnode) + return syscall(sys.set_mempolicy, int(mode), void(mask), ulong(maxnode)) +end + -- in librt for glibc but use syscalls instead of loading another library function C.clock_nanosleep(clk_id, flags, req, rem) return syscall(sys.clock_nanosleep, int(clk_id), int(flags), void(req), void(rem)) diff --git a/lib/ljsyscall/syscall/linux/constants.lua b/lib/ljsyscall/syscall/linux/constants.lua index 23c68af3f3..3497885f92 100644 --- a/lib/ljsyscall/syscall/linux/constants.lua +++ b/lib/ljsyscall/syscall/linux/constants.lua @@ -3149,6 +3149,23 @@ c.IPT_SO_GET = strflag { REVISION_TARGET = IPT_BASE_CTL + 3, } +c.MPOL_MODE = multiflags { + DEFAULT = 0, + PREFERRED = 1, + BIND = 2, + INTERLEAVE = 3, + LOCAL = 4, + -- TODO: Only the following two flags can be ORed. + STATIC_NODES = 0x80000000, + RELATIVE_NODES = 0x40000000, +} + +c.MPOL_FLAG = multiflags { + NODE = 1, + ADDR = 2, + MEMS_ALLOWED = 4 +} + c.SCHED = multiflags { NORMAL = 0, OTHER = 0, diff --git a/lib/ljsyscall/syscall/linux/syscalls.lua b/lib/ljsyscall/syscall/linux/syscalls.lua index 335144080b..d51f0a32a1 100644 --- a/lib/ljsyscall/syscall/linux/syscalls.lua +++ b/lib/ljsyscall/syscall/linux/syscalls.lua @@ -457,6 +457,18 @@ function S.sched_setaffinity(pid, mask, len) -- note len last as rarely used return retbool(C.sched_setaffinity(pid or 0, len or s.cpu_set, mktype(t.cpu_set, mask))) end +function S.get_mempolicy(mode, mask, addr, flags) + mode = mode or t.int1() + mask = mktype(t.bitmask, mask) + local ret, err = C.get_mempolicy(mode, mask.mask, mask.size, addr or 0, c.MPOL_FLAG[flags]) + if ret == -1 then return nil, t.error(err or errno()) end + return { mode=mode[0], mask=mask } +end +function S.set_mempolicy(mode, mask) + mask = mktype(t.bitmask, mask) + return retbool(C.set_mempolicy(c.MPOL_MODE[mode], mask.mask, mask.size)) +end + function S.sched_get_priority_max(policy) return retnum(C.sched_get_priority_max(c.SCHED[policy])) end function S.sched_get_priority_min(policy) return retnum(C.sched_get_priority_min(c.SCHED[policy])) end diff --git a/lib/ljsyscall/syscall/linux/types.lua b/lib/ljsyscall/syscall/linux/types.lua index 89bcd14da8..2af4ed5112 100644 --- a/lib/ljsyscall/syscall/linux/types.lua +++ b/lib/ljsyscall/syscall/linux/types.lua @@ -1002,6 +1002,74 @@ mt.cpu_set = { addtype(types, "cpu_set", "struct cpu_set_t", mt.cpu_set) +local ulong_bit_count = ffi.sizeof('unsigned long') * 8 +local function ulong_index_and_bit(n) + local i = math.floor(n / ulong_bit_count) + local b = bit.lshift(1ULL, n - i * ulong_bit_count) + return i, b +end + +mt.bitmask = { + index = { + zero = function(mask) ffi.fill(mask, s.bitmask) end, + set = function(mask, node) + if type(node) == "table" then -- table is an array of node numbers eg {1, 2, 4} + for i = 1, #node do mask:set(node[i]) end + return mask + end + if node >= mask.size then error("numa node too large " .. node) end + local i, b = ulong_index_and_bit(node) + mask.mask[i] = bit.bor(mask.mask[i], b) + return mask + end, + clear = function(mask, node) + if type(node) == "table" then -- table is an array of node numbers eg {1, 2, 4} + for i = 1, #node do mask:clear(node[i]) end + return mask + end + if node < mask.size then + local i, b = ulong_index_and_bit(node) + mask.mask[i] = bit.band(mask.mask[i], bit.bnot(b)) + end + return mask + end, + get = function(mask, node) + local i, b = ulong_index_and_bit(node) + if node >= mask.size then return false end + return bit.band(mask.mask[i], b) ~= 0 + end, + }, + __index = function(mask, k) + if mt.bitmask.index[k] then return mt.bitmask.index[k] end + if type(k) == "number" then return mask:get(k) end + error("invalid index " .. k) + end, + __newindex = function(mask, k, v) + if type(k) ~= "number" then error("invalid index " .. k) end + if v then mask:set(k) else mask:clear(k) end + end, + __new = function(tp, tab, size) + -- Round size to multiple of ulong bit count. + if size then + size = bit.band(size + ulong_bit_count - 1, bit.bnot(ulong_bit_count - 1)) + else + size = ulong_bit_count + end + local mask = ffi.new(tp, size / ulong_bit_count, size) + if tab then mask:set(tab) end + return mask + end, + __tostring = function(mask) + local tab = {} + for i = 0, tonumber(mask.size - 1) do + if mask:get(i) then tab[#tab + 1] = i end + end + return "{" .. table.concat(tab, ",") .. "}" + end, +} + +addtype_var(types, "bitmask", "struct {unsigned long size; unsigned long mask[?];}", mt.bitmask) + mt.mq_attr = { index = { flags = function(mqa) return tonumber(mqa.mq_flags) end, From 9a0abb2f1dab174577e9b62a3189f5c7e35272bc Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 2 Jun 2016 15:12:19 +0200 Subject: [PATCH 303/340] ljsyscall: Fix getcpu() Patch by Katerina Barone-Adesi , committed upstream via https://github.com/justincormack/ljsyscall/pull/195. --- lib/ljsyscall/syscall/linux/c.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/ljsyscall/syscall/linux/c.lua b/lib/ljsyscall/syscall/linux/c.lua index 356742c402..370a0ed370 100644 --- a/lib/ljsyscall/syscall/linux/c.lua +++ b/lib/ljsyscall/syscall/linux/c.lua @@ -691,7 +691,7 @@ C.gettimeofday = ffi.C.gettimeofday --function C.gettimeofday(tv, tz) return syscall(sys.gettimeofday, void(tv), void(tz)) end -- glibc does not provide getcpu; it is however VDSO -function C.getcpu(cpu, node, tcache) return syscall(sys.getcpu, void(node), void(node), void(tcache)) end +function C.getcpu(cpu, node, tcache) return syscall(sys.getcpu, void(cpu), void(node), void(tcache)) end -- time is VDSO but not really performance critical; does not exist for some architectures if sys.time then function C.time(t) return syscall(sys.time, void(t)) end From c2f2d3d9cdfcbcc6fbbf105c9bc513ddbfa606bf Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 2 Jun 2016 15:28:23 +0200 Subject: [PATCH 304/340] ljsyscall: Add migrate_pages. * lib/ljsyscall/syscall/linux/c.lua: * lib/ljsyscall/syscall/linux/syscalls.lua: Add support for the migrate_pages Linux syscall. --- lib/ljsyscall/syscall/linux/c.lua | 4 ++++ lib/ljsyscall/syscall/linux/syscalls.lua | 7 +++++++ 2 files changed, 11 insertions(+) diff --git a/lib/ljsyscall/syscall/linux/c.lua b/lib/ljsyscall/syscall/linux/c.lua index 370a0ed370..8af630fedd 100644 --- a/lib/ljsyscall/syscall/linux/c.lua +++ b/lib/ljsyscall/syscall/linux/c.lua @@ -354,6 +354,10 @@ function C.set_mempolicy(mode, mask, maxnode) return syscall(sys.set_mempolicy, int(mode), void(mask), ulong(maxnode)) end +function C.migrate_pages(pid, maxnode, from, to) + return syscall(sys.migrate_pages, int(pid), ulong(maxnode), void(from), void(to)) +end + -- in librt for glibc but use syscalls instead of loading another library function C.clock_nanosleep(clk_id, flags, req, rem) return syscall(sys.clock_nanosleep, int(clk_id), int(flags), void(req), void(rem)) diff --git a/lib/ljsyscall/syscall/linux/syscalls.lua b/lib/ljsyscall/syscall/linux/syscalls.lua index d51f0a32a1..c3afaf9cf5 100644 --- a/lib/ljsyscall/syscall/linux/syscalls.lua +++ b/lib/ljsyscall/syscall/linux/syscalls.lua @@ -469,6 +469,13 @@ function S.set_mempolicy(mode, mask) return retbool(C.set_mempolicy(c.MPOL_MODE[mode], mask.mask, mask.size)) end +function S.migrate_pages(pid, from, to) + from = mktype(t.bitmask, from) + to = mktype(t.bitmask, to) + assert(from.size == to.size, "incompatible nodemask sizes") + return retbool(C.migrate_pages(pid or 0, from.size, from.mask, to.mask)) +end + function S.sched_get_priority_max(policy) return retnum(C.sched_get_priority_max(c.SCHED[policy])) end function S.sched_get_priority_min(policy) return retnum(C.sched_get_priority_min(c.SCHED[policy])) end From 3b5fe60dbaca211e3d12132b996b7d9643a00c77 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 25 May 2016 13:38:23 +0200 Subject: [PATCH 305/340] Add NUMA module for Snabb --- src/lib/numa.lua | 135 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) create mode 100644 src/lib/numa.lua diff --git a/src/lib/numa.lua b/src/lib/numa.lua new file mode 100644 index 0000000000..d19217b47e --- /dev/null +++ b/src/lib/numa.lua @@ -0,0 +1,135 @@ +module(..., package.seeall) + +local S = require("syscall") +local pci = require("lib.hardware.pci") + +local bound_cpu +local bound_numa_node + +function cpu_get_numa_node (cpu) + local node = 0 + while true do + local node_dir = S.open('/sys/devices/system/node/node'..node, + 'rdonly, directory') + if not node_dir then return end + local found = S.readlinkat(node_dir, 'cpu'..cpu) + node_dir:close() + if found then return node end + node = node + 1 + end +end + +function has_numa () + local node1 = S.open('/sys/devices/system/node/node1', 'rdonly, directory') + if not node1 then return false end + node1:close() + return true +end + +function pci_get_numa_node (addr) + addr = pci.qualified(addr) + local file = assert(io.open('/sys/bus/pci/devices/'..addr..'/numa_node')) + local node = assert(tonumber(file:read())) + -- node can be -1. + if node >= 0 then return node end +end + +function choose_numa_node_for_pci_addresses (addrs, require_affinity) + local chosen_node, chosen_because_of_addr + for _, addr in ipairs(addrs) do + local node = pci_get_numa_node(addr) + if not node or node == chosen_node then + -- Keep trucking. + elseif not chosen_node then + chosen_node = node + chosen_because_of_addr = addr + else + local msg = string.format( + "PCI devices %s and %s have different NUMA node affinities", + chosen_because_of_addr, addr) + if require_affinity then error(msg) else print('Warning: '..msg) end + end + end + return chosen_node +end + +function check_affinity_for_pci_addresses (addrs) + local policy = S.get_mempolicy() + if policy.mode == S.c.MPOL_MODE['default'] then + if has_numa() then + print('Warning: No NUMA memory affinity.') + print('Pass --cpu to bind to a CPU and its NUMA node.') + end + elseif policy.mode ~= S.c.MPOL_MODE['bind'] then + print("Warning: NUMA memory policy already in effect, but it's not --membind.") + else + local node = S.getcpu().node + local node_for_pci = choose_numa_node_for_pci_addresses(addrs) + if node_for_pci and node ~= node_for_pci then + print("Warning: Bound NUMA node does not have affinity with PCI devices.") + end + end +end + +function unbind_cpu () + local cpu_set = S.sched_getaffinity() + cpu_set:zero() + for i = 0, 1023 do cpu_set:set(i) end + assert(S.sched_setaffinity(0, cpu_set)) + bound_cpu = nil +end + +function bind_to_cpu (cpu) + if cpu == bound_cpu then return end + if not cpu then return unbind_cpu() end + assert(not bound_cpu, "already bound") + + assert(S.sched_setaffinity(0, cpu)) + local cpu_and_node = S.getcpu() + assert(cpu_and_node.cpu == cpu) + bound_cpu = cpu + + bind_to_numa_node (cpu_and_node.node) +end + +function unbind_numa_node () + assert(S.set_mempolicy('default')) + bound_numa_node = nil +end + +function bind_to_numa_node (node) + if node == bound_numa_node then return end + if not node then return unbind_numa_node() end + assert(not bound_numa_node, "already bound") + + assert(S.set_mempolicy('bind', node)) + + -- Migrate any pages that might have the wrong affinity. + local from_mask = assert(S.get_mempolicy(nil, nil, nil, 'mems_allowed')).mask + assert(S.migrate_pages(0, from_mask, node)) + + bound_numa_node = node +end + +function prevent_preemption(priority) + if not S.sched_setscheduler(0, "fifo", priority or 1) then + fatal('Failed to enable real-time scheduling. Try running as root.') + end +end + +function selftest () + print('selftest: numa') + bind_to_cpu(0) + assert(bound_cpu == 0) + assert(bound_numa_node == 0) + assert(S.getcpu().cpu == 0) + assert(S.getcpu().node == 0) + bind_to_cpu(nil) + assert(bound_cpu == nil) + assert(bound_numa_node == 0) + assert(S.getcpu().node == 0) + bind_to_numa_node(nil) + assert(bound_cpu == nil) + assert(bound_numa_node == nil) + print('selftest: numa: ok') +end From 243480dbd844cdb8faec6ac212ce75e07477f37b Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Mon, 17 Oct 2016 13:16:28 +0000 Subject: [PATCH 306/340] Remove stale timers code Remove code added in 0b5c3133f5fb7a69ee6d2cc65b2b419c4ec1c087, but then when the ultimate functionality was removed in 9e86b23880b2dab4013cbf66d174469588bc12d8 there were these vestigial interfaces left behind. --- src/core/timer.lua | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/src/core/timer.lua b/src/core/timer.lua index cc080bfece..996caef73c 100644 --- a/src/core/timer.lua +++ b/src/core/timer.lua @@ -61,21 +61,6 @@ function activate (t) end end -local function find_timer (name) - for tick, set in pairs(timers) do - for i, t in ipairs(set) do - if t.name == name then - return tick, i - end - end - end - return nil -end - -local function is_timer (t) - return type(t) == "table" and (t.name and t.fn and t.ticks) -end - function new (name, fn, nanos, mode) return { name = name, fn = fn, From 4f88d341cac3740e05bc673be9057c22c33fd797 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 17 Oct 2016 11:08:29 +0000 Subject: [PATCH 307/340] Fix reporting of incoming ipv6 packets in packetblaster lwaftr mode --- src/apps/test/lwaftr.lua | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/apps/test/lwaftr.lua b/src/apps/test/lwaftr.lua index fb998e3c7d..bf72ccd107 100644 --- a/src/apps/test/lwaftr.lua +++ b/src/apps/test/lwaftr.lua @@ -282,6 +282,7 @@ function Lwaftrgen:pull () local ipv4_bytes = self.ipv4_bytes local lost_packets = self.lost_packets local udp_offset = self.udp_offset + local o_ethertype = self.vlan and OFFSET_ETHERTYPE_VLAN or OFFSET_ETHERTYPE if self.current == 0 then main.exit(0) @@ -290,7 +291,7 @@ function Lwaftrgen:pull () -- count and trash incoming packets for _=1,link.nreadable(input) do local pkt = receive(input) - if cast(uint16_ptr_t, pkt.data + OFFSET_ETHERTYPE)[0] == PROTO_IPV6 then + if cast(uint16_ptr_t, pkt.data + o_ethertype)[0] == PROTO_IPV6 then ipv6_bytes = ipv6_bytes + pkt.length ipv6_packets = ipv6_packets + 1 local payload = cast(payload_ptr_type, pkt.data + udp_offset + ipv6_header_size + udp_header_size) From 0fb961aa4b38e86af3eeed6796b08e2f859ad8ba Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 17 Oct 2016 11:41:31 +0000 Subject: [PATCH 308/340] Calculate effective VLAN --- src/program/snabbvmx/lwaftr/lwaftr.lua | 15 ++++++++++++++- src/program/snabbvmx/lwaftr/setup.lua | 16 ++++------------ 2 files changed, 18 insertions(+), 13 deletions(-) diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index ec95c8da6c..bb01ce7291 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -76,6 +76,19 @@ function parse_args (args) return opts, conf_file, id, pci, mac, sock_path, mirror_id end +local function effective_vlan (conf, lwconf) + if conf.settings and conf.settings.vlan then + return conf.settings.vlan + end + if lwconf.vlan_tagging then + if lwconf.v4_vlan_tag == lwconf.v6_vlan_tag then + return lwconf.v4_vlan_tag + end + return {v4_vlan_tag = lwconf.v4_vlan_tag, v6_vlan_tag = lwconf.v6_vlan_tag} + end + return false +end + function run(args) local opts, conf_file, id, pci, mac, sock_path, mirror_id = parse_args(args) @@ -140,7 +153,7 @@ function run(args) lwaftr_id.value = id end - local vlan = conf.settings and conf.settings.vlan or false + local vlan = effective_vlan(conf, lwconf) local mtu = DEFAULT_MTU if lwconf.ipv6_mtu then diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index aea74f6324..bf75b6b2f9 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -48,12 +48,6 @@ local function load_virt (c, nic_id, lwconf, interface) print("Different VLAN tags: load two virtual interfaces") print(("%s ether %s"):format(nic_id, interface.mac_address)) - local qprdc = { - discard_check_timer = interface.discard_check_timer, - discard_wait = interface.discard_wait, - discard_threshold = interface.discard_threshold, - } - local v4_nic_name, v6_nic_name = nic_id..'_v4', nic_id..'v6' local v4_mtu = lwconf.ipv4_mtu + constants.ethernet_header_size if lwconf.vlan_tagging and lwconf.v4_vlan_tag then @@ -62,9 +56,8 @@ local function load_virt (c, nic_id, lwconf, interface) print(("Setting %s interface MTU to %d"):format(v4_nic_name, v4_mtu)) config.app(c, v4_nic_name, driver, { pciaddr = interface.pci, - vmdq = lwconf.vlan_tagging, - vlan = lwconf.vlan_tagging and lwconf.v4_vlan_tag, - qprdc = qprdc, + vmdq = interface.vlan and true, + vlan = interface.vlan and interface.vlan.v4_vlan_tag, macaddr = ethernet:ntop(lwconf.aftr_mac_inet_side), mtu = v4_mtu }) local v6_mtu = lwconf.ipv6_mtu + constants.ethernet_header_size @@ -74,9 +67,8 @@ local function load_virt (c, nic_id, lwconf, interface) print(("Setting %s interface MTU to %d"):format(v6_nic_name, v6_mtu)) config.app(c, v6_nic_name, driver, { pciaddr = interface.pci, - vmdq = lwconf.vlan_tagging, - vlan = lwconf.vlan_tagging and lwconf.v6_vlan_tag, - qprdc = qprdc, + vmdq = interface.vlan and true, + vlan = interface.vlan and interface.vlan.v6_vlan_tag, macaddr = ethernet:ntop(lwconf.aftr_mac_b4_side), mtu = v6_mtu}) From 4b8930d06d70c8e499a70efd9fb302d4c12c04fa Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Mon, 17 Oct 2016 16:18:12 +0200 Subject: [PATCH 309/340] Revert message change relative to uptream ctable * src/lib/ctable.lua (CTable): Revert ctable change relative to upstream. --- src/lib/ctable.lua | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/src/lib/ctable.lua b/src/lib/ctable.lua index c49a7db28a..b167b59570 100644 --- a/src/lib/ctable.lua +++ b/src/lib/ctable.lua @@ -263,11 +263,9 @@ end function CTable:remove_ptr(entry) local scale = self.scale local index = entry - self.entries - assert(index >= 0, "Ctab: index must be >= 0.") - assert(index <= self.size + self.max_displacement, - string.format("Ctab: bad index %s, should be at most %s.", - index, self.size + self.max_displacement)) - assert(entry.hash ~= HASH_MAX, "Ctab: entry hash must not be HASH_MAX.") + assert(index >= 0) + assert(index <= self.size + self.max_displacement) + assert(entry.hash ~= HASH_MAX) self.occupancy = self.occupancy - 1 entry.hash = HASH_MAX From e0424bd00eca8d4851b780a9f720632a4f4299c6 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 17 Oct 2016 15:22:28 +0000 Subject: [PATCH 310/340] Use intel10g.ring_buffer_size setter --- src/program/lwaftr/run/run.lua | 9 +-------- src/program/snabbvmx/lwaftr/lwaftr.lua | 22 +++------------------- 2 files changed, 4 insertions(+), 27 deletions(-) diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index 51cc36b2dc..d16a25ea91 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -70,13 +70,6 @@ function parse_args(args) end function handlers.r (arg) ring_buffer_size = tonumber(arg) - if not ring_buffer_size then fatal("bad ring size: " .. arg) end - if ring_buffer_size > 32*1024 then - fatal("ring size too large for hardware: " .. ring_buffer_size) - end - if math.log(ring_buffer_size)/math.log(2) % 1 ~= 0 then - fatal("ring size is not a power of two: " .. arg) - end end handlers["on-a-stick"] = function(arg) opts["on-a-stick"] = true @@ -102,7 +95,7 @@ function parse_args(args) if opts.virtio_net then fatal("setting --ring-buffer-size does not work with --virtio") end - require('apps.intel.intel10g').num_descriptors = ring_buffer_size + require("apps.intel.intel10g").ring_buffer_size(ring_buffer_size) end if not conf_file then fatal("Missing required --conf argument.") end if opts.mirror then diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index ec95c8da6c..5de7f68325 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -1,12 +1,13 @@ module(..., package.seeall) local config = require("core.config") +local constants = require("apps.lwaftr.constants") local ingress_drop_monitor = require("lib.timers.ingress_drop_monitor") +local intel10g = require("apps.intel.intel10g") local lib = require("core.lib") local lwcounter = require("apps.lwaftr.lwcounter") local lwtypes = require("apps.lwaftr.lwtypes") local lwutil = require("apps.lwaftr.lwutil") -local constants = require("apps.lwaftr.constants") local setup = require("program.snabbvmx.lwaftr.setup") local shm = require("core.shm") @@ -19,11 +20,6 @@ local function show_usage (exit_code) main.exit(exit_code) end -local function set_ring_buffer_size(ring_buffer_size) - print(("Ring buffer size set to %d"):format(ring_buffer_size)) - require('apps.intel.intel10g').num_descriptors = ring_buffer_size -end - function parse_args (args) if #args == 0 then show_usage(1) end local conf_file, id, pci, mac, sock_path, mirror_id @@ -119,21 +115,9 @@ function run(args) if conf.settings.ingress_drop_wait then ingress_drop_wait = conf.settings.ingress_drop_wait end - if conf.settings.ring_buffer_size then - ring_buffer_size = tonumber(conf.settings.ring_buffer_size) - if not ring_buffer_size then - fatal("Bad ring size: " .. conf.settings.ring_buffer_size) - end - if ring_buffer_size > 32*1024 then - fatal("Ring size too large for hardware: " .. ring_buffer_size) - end - if math.log(ring_buffer_size)/math.log(2) % 1 ~= 0 then - fatal("Ring size is not a power of two: " .. ring_buffer_size) - end - end end - set_ring_buffer_size(ring_buffer_size) + intel10g.ring_buffer_size(ring_buffer_size) if id then local lwaftr_id = shm.create("nic/id", lwtypes.lwaftr_id_type) From b4a383d4d70edac9aac76f9143f048b2dc2624d9 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 17 Oct 2016 15:39:15 +0000 Subject: [PATCH 311/340] Remove tcpreplay script and use packetblaster --no-loop instead --- .../snabbvmx/tests/scripts/tcpreplay.lua | 67 ------------------- src/program/snabbvmx/tests/selftest.sh | 3 +- .../snabbvmx/tests/test_env/test_env.sh | 1 - 3 files changed, 1 insertion(+), 70 deletions(-) delete mode 100644 src/program/snabbvmx/tests/scripts/tcpreplay.lua diff --git a/src/program/snabbvmx/tests/scripts/tcpreplay.lua b/src/program/snabbvmx/tests/scripts/tcpreplay.lua deleted file mode 100644 index b69c94c6c4..0000000000 --- a/src/program/snabbvmx/tests/scripts/tcpreplay.lua +++ /dev/null @@ -1,67 +0,0 @@ -local Intel82599 = require("apps.intel.intel_app").Intel82599 -local S = require("syscall") -local Tap = require("apps.tap.tap").Tap -local lib = require("core.lib") -local pcap = require("apps.pcap.pcap") -local pci = require("lib.hardware.pci") - -function show_usage (code) - print("Usage: tcpreplay.lua ") - main.exit(code) -end - -function parse_args (args) - local handlers = {} - local opts = {} - function handlers.h () - show_usage(0) - end - function handlers.D (arg) - opts.duration = assert(tonumber(arg), "Duration must be a number") - end - args = lib.dogetopt(args, handlers, "hD:", { help="h", duration="D" }) - if #args ~= 2 then show_usage(1) end - if not opts.duration then opts.duration = 1 end - return opts, unpack(args) -end - -function run (args) - local opts, filein, iface = parse_args(args) - local c = config.new() - - config.app(c, "pcap", pcap.PcapReader, filein) - config.app(c, "nic", Intel82599, { pciaddr = iface }) - config.link(c, "pcap.output -> nic.rx") - engine.configure(c) - engine.main({duration = opts.duration, report={showlinks=true}}) -end - --- Snabb shell cannot run a script that is a module, but it can run --- a Lua script. However in that case 'args' variable is not present. --- This function directly accesses the command line argument list --- and returns all script arguments. Script arguments are the arguments --- after script name. Example: sudo ./snabb snsh ... -local function getargs() - local scriptname = "tcpreplay.lua" - local function basename (path) - return path:gsub("(.*/)(.*)", "%2") - end - local function indexof (args, name) - for i, arg in ipairs(args) do - if basename(arg) == scriptname then - return i - end - end - end - local args = main.parse_command_line() - local index = assert(indexof(args, scriptname), - "Scriptname is not in arguments list") - -- Return arguments after scriptname. - local ret = {} - for i=index+1,#args do - table.insert(ret, args[i]) - end - return ret -end - -run(getargs()) diff --git a/src/program/snabbvmx/tests/selftest.sh b/src/program/snabbvmx/tests/selftest.sh index 39214b7cd3..a654cb4206 100755 --- a/src/program/snabbvmx/tests/selftest.sh +++ b/src/program/snabbvmx/tests/selftest.sh @@ -28,7 +28,6 @@ SNABBVMX_DIR=program/snabbvmx PCAP_INPUT=$SNABBVMX_DIR/tests/pcap/input PCAP_OUTPUT=$SNABBVMX_DIR/tests/pcap/output SNABBVMX_CONF=$SNABBVMX_DIR/tests/conf/snabbvmx-lwaftr.cfg -TCPREPLAY_SCRIPT=$SNABBVMX_DIR/tests/scripts/tcpreplay.lua SNABBVMX_ID=xe1 SNABB_TELNET0=5000 VHU_SOCK0=/tmp/vh1a.sock @@ -100,7 +99,7 @@ function monitor { action=$1 } function tcpreplay { pcap=$1; pci=$2 - local cmd="sudo ./snabb snsh $TCPREPLAY_SCRIPT $pcap $pci" + local cmd="sudo ./snabb packetblaster replay --no-loop $pcap $pci" run_cmd_in_screen "tcpreplay" "$cmd" } diff --git a/src/program/snabbvmx/tests/test_env/test_env.sh b/src/program/snabbvmx/tests/test_env/test_env.sh index b6db0aab90..deadc59808 100755 --- a/src/program/snabbvmx/tests/test_env/test_env.sh +++ b/src/program/snabbvmx/tests/test_env/test_env.sh @@ -19,7 +19,6 @@ export SNABBVMX_DIR=program/snabbvmx export PCAP_INPUT=$SNABBVMX_DIR/tests/pcap/input export PCAP_OUTPUT=$SNABBVMX_DIR/tests/pcap/output export SNABBVMX_CONF=$SNABBVMX_DIR/tests/conf/snabbvmx-lwaftr-vlan.cfg -export TCPREPLAY_SCRIPT=$SNABBVMX_DIR/tests/scripts/tcpreplay.lua export SNABBVMX_ID=xe1 export SNABB_TELNET0=5000 export VHU_SOCK0=/tmp/vh1a.sock From c0ee5209487b404c6b0ef84d2f6b9a3f35584eee Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 22 Sep 2016 11:25:35 +0200 Subject: [PATCH 312/340] Remove old benchmarking tools --- src/apps/lwaftr/benchmark.lua | 133 ------------------ .../tests/end-to-end/benchmark-end-to-end.sh | 102 -------------- .../tests/end-to-end/benchmark-pcaps.sh | 40 ------ .../lwaftr/tests/end-to-end/benchrun.lua | 101 ------------- 4 files changed, 376 deletions(-) delete mode 100644 src/apps/lwaftr/benchmark.lua delete mode 100755 src/program/lwaftr/tests/end-to-end/benchmark-end-to-end.sh delete mode 100755 src/program/lwaftr/tests/end-to-end/benchmark-pcaps.sh delete mode 100755 src/program/lwaftr/tests/end-to-end/benchrun.lua diff --git a/src/apps/lwaftr/benchmark.lua b/src/apps/lwaftr/benchmark.lua deleted file mode 100644 index 48cbc0e85a..0000000000 --- a/src/apps/lwaftr/benchmark.lua +++ /dev/null @@ -1,133 +0,0 @@ --- Source -> NIC1 -> NIC2 -> Sink - -local Intel82599 = require("apps.intel.intel_app").Intel82599 -local PcapReader = require("apps.pcap.pcap").PcapReader -local basic_apps = require("apps.basic.basic_apps") -local counter = require("core.counter") -local ffi = require("ffi") -local lib = require("core.lib") -local lwaftr = require("apps.lwaftr.lwaftr") - -local C = ffi.C - -local paths = { - ["nicv4-in"] = "nicv4.input.rx", - ["nicv6-in"] = "nicv6.input.rx", - ["nicv4-out"] = "nicv4.output.tx", - ["nicv6-out"] = "nicv6.output.tx", - ["lwaftrv4-out"] = "lwaftr.output.v4", - ["lwaftrv6-out"] = "lwaftr.output.v6", - ["lwaftrv4-in"] = "lwaftr.input.v4", - ["lwaftrv6-in"] = "lwaftr.input.v6", -} - -local function split (str, sep) - local t = {} - local regex = ("([^%s]+)"):format(sep) - for each in str:gmatch(regex) do - table.insert(t, each) - end - return t -end - -local function bench(engine, params) - local function format (str, t) - for key, _ in str:gmatch("{([a-zA-Z_]+)}") do - str = str:gsub("{"..key.."}", t[key]) - end - return str - end - local function report (name, breaths, bytes, packets, runtime) - local values = { - name = name, - breath_in_nanosecond = ("%.2f"):format(runtime / breaths * 1e6), - breaths = lib.comma_value(breaths), - bytes = bytes, - million_packets = ("%.1f"):format(packets / 1e6), - packets_per_breath = ("%.2f"):format(packets / breaths), - rate_gbps = ("%.2f"):format((bytes * 8 ) / 1e9 / runtime), - rate_mpps = ("%.3f"):format(packets / runtime / 1e6), - runtime = ("%.2f"):format(runtime), - } - print("\n"..format([[{name} processed {million_packets} million packets in {runtime} seconds ({bytes} bytes; {rate_gbps} Gbps) -Made {breaths} breaths: {packets_per_breath} packets per breath; {breath_in_nanosecond} us per breath -Rate(Mpps): {rate_mpps} - ]], values)) - end - local function report_bench(input, name, finish, start) - local breaths = tonumber(counter.read(engine.breaths)) - local bytes = input.txbytes - -- Don't bother to report on interfaces that were boring - if bytes == 0 then return end - local packets = input.txpackets - local runtime = finish - start - report(name, breaths, bytes, packets, runtime) - end - local function reports(names, finish, start) - for _, name in ipairs(names) do - local parts = split(paths[name], ".") - assert(#parts == 3, "Wrong path") - local app_name, channel, direction = unpack(parts) - local stats = link.stats(engine.app_table[app_name][channel][direction]) - report_bench(stats, name, finish, start) - end - end - local start = C.get_monotonic_time() - engine.main(params) - local finish = C.get_monotonic_time() - reports({"nicv4-in","nicv6-in"}, finish, start) -end - -local function usage () - print([[ -Usage: - - : Path to lwaftr configuration file. - : Path to pcap file contain IPv4 packet/s to be sent. - : Path to pcap file contain IPv6 packet/s to be sent. - : PCI ID number of network card for IPv4. - : PCI ID number of network card for IPv6. - ]]) - os.exit() -end - -local function testInternalLoopbackFromPcapFile (params) - if #params ~= 5 then usage() end - local conf_file, pcapv4_file, pcapv6_file, pcidev_v4, pcidev_v6 = unpack(params) - - engine.configure(config.new()) - local c = config.new() - config.app(c, 'lwaftr', lwaftr.LwAftr, conf_file) - config.app(c, 'pcapv4', PcapReader, pcapv4_file) - config.app(c, 'pcapv6', PcapReader, pcapv6_file) - config.app(c, 'repeater_v4', basic_apps.Repeater) - config.app(c, 'repeater_v6', basic_apps.Repeater) - config.app(c, 'sink', basic_apps.Sink) - - -- Both nics are full-duplex - config.app(c, 'nicv4', Intel82599, { - pciaddr = pcidev_v4, - macaddr = '22:22:22:22:22:22', - }) - - config.app(c, 'nicv6', Intel82599, { - pciaddr = pcidev_v6, - macaddr = '44:44:44:44:44:44', - }) - - config.link(c, 'pcapv4.output -> repeater_v4.input') - config.link(c, 'repeater_v4.output -> lwaftr.v4') - config.link(c, 'lwaftr.v4 -> nicv4.rx') - config.link(c, 'nicv4.tx -> sink.in1') - - config.link(c, 'pcapv6.output -> repeater_v6.input') - config.link(c, 'repeater_v6.output -> lwaftr.v6') - config.link(c, 'lwaftr.v6 -> nicv6.rx') - config.link(c, 'nicv6.tx -> sink.in1') - - engine.configure(c) - - bench(engine, {duration=5, report={showlinks=true}}) -end - -testInternalLoopbackFromPcapFile(main.parameters) diff --git a/src/program/lwaftr/tests/end-to-end/benchmark-end-to-end.sh b/src/program/lwaftr/tests/end-to-end/benchmark-end-to-end.sh deleted file mode 100755 index 3c461d48a5..0000000000 --- a/src/program/lwaftr/tests/end-to-end/benchmark-end-to-end.sh +++ /dev/null @@ -1,102 +0,0 @@ -#!/bin/bash - -SNABB_BASE=../../../.. -TEST_BASE=../data -TEST_OUT=/tmp -EMPTY=${TEST_BASE}/empty.pcap - -if [[ $EUID -ne 0 ]]; then - echo "This script must be run as root" 1>&2 - exit 1 -fi - -function quit_with_msg { - echo $1; exit 1 -} - -function usage { - quit_with_msg "Usage: benchmark-end-to-end " -} - -pcidev_v4=$1 -pcidev_v6=$2 -if [ -z "$pcidev_v4" ] || [ -z "$pcidev_v6" ]; then - usage -fi - -function run_benchmark { - local script=${SNABB_BASE}/apps/lwaftr/benchmark.lua - local conf=$1 - local pcap_file_v4=$2 - local pcap_file_v6=$3 - - ${SNABB_BASE}/snabb snsh $script $conf $pcap_file_v4 $pcap_file_v6 $pcidev_v4 $pcidev_v6 -} - -echo "Benchmarking: from-internet IPv4 packet found in the binding table." -run_benchmark ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-bound.pcap ${EMPTY} - -# Fail -# echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." -# run_benchmark ${TEST_BASE}/icmp_on_fail.conf \ -# ${TEST_BASE}/tcp-frominet-bound-ttl1.pcap - -echo "Benchmarking: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation." -run_benchmark ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-bound1494.pcap ${EMPTY} - -echo "Benchmarking: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4." -run_benchmark ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} - -# TODO: Returns 0 Mbps -# echo "Benchmarking: from-internet IPv4 packet NOT found in the binding table, no ICMP." -# run_benchmark ${TEST_BASE}/no_icmp.conf \ -# ${TEST_BASE}/tcp-frominet-unbound.pcap - -# TODO: Fail -# echo "Benchmarking: from-internet IPv4 packet NOT found in the binding table (ICMP-on-fail)." -# run_benchmark ${TEST_BASE}/icmp_on_fail.conf \ -# ${TEST_BASE}/tcp-frominet-unbound.pcap - -# TODO: Returns 0 Mpbs -# echo "Benchmarking: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." -# run_benchmark ${TEST_BASE}/no_icmp.conf \ -# ${TEST_BASE}/tcp-afteraftr-ipv6.pcap - -echo "Benchmarking: from-b4 to-internet IPv6 packet found in the binding table." -run_benchmark ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap - -# TODO: Returns 0 Mbps -# echo "Benchmarking: from-b4 to-internet IPv6 packet NOT found in the binding table, no ICMP" -# run_benchmark ${TEST_BASE}/no_icmp.conf \ -# ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap - -# TODO: Returns 0 Mbps -echo "Benchmarking: from-b4 to-internet IPv6 packet NOT found in the binding table (ICMP-on-fail)" -run_benchmark ${TEST_BASE}/icmp_on_fail.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap - -echo "Benchmarking: from-to-b4 IPv6 packet, no hairpinning" -run_benchmark ${TEST_BASE}/no_hairpin.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap - -echo "Benchmarking: from-to-b4 IPv6 packet, with hairpinning" -run_benchmark ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap - -echo "Benchmarking: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" -run_benchmark ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-customBRIP-ipv6.pcap - -echo "Benchmarking: from-b4 IPv6 packet, with hairpinning, from B4 with custom lwAFTR address" -run_benchmark ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP-tob4-ipv6.pcap - -echo "Benchmarking: from-b4 IPv6 packet, with hairpinning, different non-default lwAFTR addresses" -run_benchmark ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap - -echo "All benchmarking tests run." diff --git a/src/program/lwaftr/tests/end-to-end/benchmark-pcaps.sh b/src/program/lwaftr/tests/end-to-end/benchmark-pcaps.sh deleted file mode 100755 index 0feb009b15..0000000000 --- a/src/program/lwaftr/tests/end-to-end/benchmark-pcaps.sh +++ /dev/null @@ -1,40 +0,0 @@ -#!/bin/bash -# Modified from Diego's end-to-end benchmarking script - -SNABB_SRC=../../../.. -TEST_BASE=../data -TEST_OUT=/tmp -EMPTY=${TEST_BASE}/empty.pcap - -if [[ $EUID -ne 0 ]]; then - echo "This script must be run as root" 1>&2 - exit 1 -fi - -function quit_with_msg { - echo $1; exit 1 -} - -function usage { - quit_with_msg "Usage: benchmark-pcaps v4.pcap v6.pcap " -} - -v4_pcap=$1 -v6_pcap=$2 -pcidev_v4=$3 -pcidev_v6=$4 -if [ -z "$pcidev_v6" ]; then - usage -fi - -function run_benchmark { - local script=${SNABB_SRC}/apps/lwaftr/benchmark.lua - local conf=$1 - local pcap_file_v4=$2 - local pcap_file_v6=$3 - - ${SNABB_SRC}/snabb snsh $script $conf $pcap_file_v4 $pcap_file_v6 $pcidev_v4 $pcidev_v6 -} - -echo "Benchmarking..." -run_benchmark ${TEST_BASE}/icmp_on_fail.conf $v4_pcap $v6_pcap diff --git a/src/program/lwaftr/tests/end-to-end/benchrun.lua b/src/program/lwaftr/tests/end-to-end/benchrun.lua deleted file mode 100755 index 4dee91d2b4..0000000000 --- a/src/program/lwaftr/tests/end-to-end/benchrun.lua +++ /dev/null @@ -1,101 +0,0 @@ -#! /usr/bin/env luajit - -local ffi = require("ffi") -ffi.cdef("int isatty(int)") - -local function printfln(fmt, ...) - print(fmt:format(...)) -end - -local function average(values) - local sum = 0.0 - for _, value in ipairs(values) do - sum = sum + value - end - return sum / #values -end - -local function stderror(values) - local avg = average(values) - local diffsum = 0.0 - for _, value in ipairs(values) do - local diff = (value - avg) - diffsum = diffsum + (diff * diff) - end - local stddev = math.sqrt(diffsum / #values) - return stddev / math.sqrt(#values) -end - - -if #arg ~= 2 then - io.stderr:write("Usage: benchrun.lua N command\n") - os.exit(1) -end -local rounds = tonumber(arg[1]) -local command = arg[2] - - -local report_progress -if ffi.C.isatty(1) ~= 0 then - report_progress = function (round, last_value) - io.stdout:write(string.format("\rProgress: %d%% (%d/%d)", - round / rounds * 100, round, rounds)) - if last_value ~= nil then - io.stdout:write(", last value: " .. tostring(last_value)) - end - io.stdout:flush() - end -else - report_progress = function (round, extrainfo) - io.stdout:write(".") - io.stdout:flush() - end -end - - -local sample_sets = {} -local last_match = nil -for i = 1, rounds do - report_progress(i, last_match) - - local proc = io.popen(command, "r") - local sample_set = 1 - for line in proc:lines() do - -- Rate: N.M MPPS - local value, nsubs = string.gsub(line, "^[Rr]ate[^%d]*([%d%.]+)", "%1") - if nsubs > 0 then - last_match = line - if sample_sets[sample_set] == nil then - sample_sets[sample_set] = {} - end - table.insert(sample_sets[sample_set], tonumber(value)) - sample_set = sample_set + 1 - end - end - proc:close() -end -io.stdout:write("\n") - -for setnum, samples in ipairs(sample_sets) do - printfln("set %d", setnum) - printfln(" min: %g", math.min(unpack(samples))) - printfln(" max: %g", math.max(unpack(samples))) - printfln(" avg: %g", average(samples)) - printfln(" err: %g", stderror(samples)) -end - -if #sample_sets > 1 then - local sum_samples = {} - for i = 1, #sample_sets[1] do - local v = 0.0 - for _, samples in ipairs(sample_sets) do - v = v + samples[1] - end - table.insert(sum_samples, v) - end - printfln("sum", setnum) - printfln(" min: %g", math.min(unpack(sum_samples))) - printfln(" max: %g", math.max(unpack(sum_samples))) - printfln(" avg: %g", average(sum_samples)) - printfln(" err: %g", stderror(sum_samples)) -end From b75946477635fe984640702d10db1d5796795606 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 17 Oct 2016 16:09:29 +0000 Subject: [PATCH 313/340] Use ethernet:ntop and ipv6:ntop --- src/apps/lwaftr/lwdebug.lua | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/src/apps/lwaftr/lwdebug.lua b/src/apps/lwaftr/lwdebug.lua index 7b289c99fb..782f2c46fd 100644 --- a/src/apps/lwaftr/lwdebug.lua +++ b/src/apps/lwaftr/lwdebug.lua @@ -1,24 +1,18 @@ module(..., package.seeall) +local ethernet = require("lib.protocol.ethernet") +local ipv6 = require("lib.protocol.ipv6") local bit = require("bit") local band, rshift = bit.band, bit.rshift function pp(t) for k,v in pairs(t) do print(k,v) end end -function print_ethernet(addr) - local chunks = {} - for i = 0,5 do - table.insert(chunks, string.format("%x", addr[i])) - end - print(table.concat(chunks, ':')) +function print_ethernet (addr) + print(ethernet:ntop(addr)) end -function print_ipv6(addr) - local chunks = {} - for i = 0,7 do - table.insert(chunks, string.format("%x%x", addr[2*i], addr[2*i+1])) - end - print(table.concat(chunks, ':')) +function print_ipv6 (addr) + print(ipv6:ntop(addr)) end local function gen_hex_bytes(data, len) From 4c395fcd94179fcc90e184e40a97adac0d335823 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 17 Oct 2016 16:15:38 +0000 Subject: [PATCH 314/340] Define SKIPPED_CODE in nexthop/selftest.sh --- src/program/snabbvmx/tests/nexthop/selftest.sh | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/program/snabbvmx/tests/nexthop/selftest.sh b/src/program/snabbvmx/tests/nexthop/selftest.sh index 67755fe8bd..349a6cc3c8 100755 --- a/src/program/snabbvmx/tests/nexthop/selftest.sh +++ b/src/program/snabbvmx/tests/nexthop/selftest.sh @@ -1,5 +1,7 @@ #!/usr/bin/env bash +SKIPPED_CODE=43 + if [[ $EUID != 0 ]]; then echo "This script must be run as root" exit 1 From 0994e88c50c256930814908f3cb7be2799fcb6aa Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Wed, 19 Oct 2016 10:22:43 +0200 Subject: [PATCH 315/340] Remove useless column from benchmark CSV output in Hydra mode (#498) --- src/program/lwaftr/csv_stats.lua | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/src/program/lwaftr/csv_stats.lua b/src/program/lwaftr/csv_stats.lua index 170522d194..61950c42da 100644 --- a/src/program/lwaftr/csv_stats.lua +++ b/src/program/lwaftr/csv_stats.lua @@ -30,7 +30,7 @@ CSVStatsTimer = {} function CSVStatsTimer:new(filename, hydra_mode) local file = filename and io.open(filename, "w") or io.stdout local o = { hydra_mode=hydra_mode, link_data={}, file=file, period=1, - header = hydra_mode and "benchmark,snabb,id,score,unit" or "Time (s)" } + header = hydra_mode and "benchmark,id,score,unit" or "Time (s)" } return setmetatable(o, {__index = CSVStatsTimer}) end @@ -99,11 +99,10 @@ function CSVStatsTimer:tick() data.prev_txpackets = txpackets data.prev_txbytes = txbytes if self.hydra_mode then - -- TODO: put the actual branch name in place of "master". -- Hydra reports seem to prefer integers for the X (time) axis. - self.file:write(('%s_mpps,master,%.f,%f,mpps\n'):format( + self.file:write(('%s_mpps,%.f,%f,mpps\n'):format( data.link_name,elapsed,diff_txpackets)) - self.file:write(('%s_gbps,master,%.f,%f,gbps\n'):format( + self.file:write(('%s_gbps,%.f,%f,gbps\n'):format( data.link_name,elapsed,diff_txbytes)) else self.file:write((',%f'):format(diff_txpackets)) From 2567ddc7b2ba446603f13f0c916ee86886407ff3 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 19 Oct 2016 11:49:55 +0000 Subject: [PATCH 316/340] snabbnfv traffic: Only re-start engine when configuration changes Before, snabbnfv would run the engine for one-second intervals, checking for restart every second and restarting the engine. However this interacts poorly with the latency-tracking mechanism, which expects to be able to call non-performant functions like ffi.typeof() at setup, because it's just setup. With this fix we have less trace creation and interpreter bailout at run-time. --- src/program/snabbnfv/traffic/traffic.lua | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) diff --git a/src/program/snabbnfv/traffic/traffic.lua b/src/program/snabbnfv/traffic/traffic.lua index 4b5739d439..64ee5f2d95 100644 --- a/src/program/snabbnfv/traffic/traffic.lua +++ b/src/program/snabbnfv/traffic/traffic.lua @@ -83,19 +83,22 @@ function long_usage () return usage end function traffic (pciaddr, confpath, sockpath) engine.log = true local mtime = 0 - if C.stat_mtime(confpath) == 0 then - print(("WARNING: File '%s' does not exist."):format(confpath)) + local needs_reconfigure = true + function check_for_reconfigure() + needs_reconfigure = C.stat_mtime(confpath) ~= mtime end + timer.activate(timer.new("reconf", check_for_reconfigure, 1e9, 'repeating')) + -- Flush logs every second. + timer.activate(timer.new("flush", io.flush, 1e9, 'repeating')) while true do - local mtime2 = C.stat_mtime(confpath) - if mtime2 ~= mtime then - print("Loading " .. confpath) - engine.configure(nfvconfig.load(confpath, pciaddr, sockpath)) - mtime = mtime2 + needs_reconfigure = false + print("Loading " .. confpath) + mtime = C.stat_mtime(confpath) + if mtime == 0 then + print(("WARNING: File '%s' does not exist."):format(confpath)) end - engine.main({duration=1, no_report=true}) - -- Flush buffered log messages every 1s - io.flush() + engine.configure(nfvconfig.load(confpath, pciaddr, sockpath)) + engine.main({done=function() return needs_reconfigure end}) end end From ade4b3ee8850f62e2495b85926ab0838c1c1cb9c Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 19 Oct 2016 12:30:12 +0000 Subject: [PATCH 317/340] Reformat performance-tuning.md. No change. --- src/doc/performance-tuning.md | 210 ++++++++++++++++++++++++++-------- 1 file changed, 164 insertions(+), 46 deletions(-) diff --git a/src/doc/performance-tuning.md b/src/doc/performance-tuning.md index 79a87a686d..527bfa7562 100644 --- a/src/doc/performance-tuning.md +++ b/src/doc/performance-tuning.md @@ -1,12 +1,15 @@ # Maximizing deployment performance -For maximum performance, several hardware, operating system and Snabb parameters need -to be tuned. Note that this document is only on tuning for deployment -performance, not on how to write performant Snabb code. +For maximum performance, several hardware, operating system and Snabb +parameters need to be tuned. Note that this document is only on tuning +for deployment performance, not on how to write performant Snabb code. ## Snabb + ### ring-buffer/num_descriptors -Defined in src/apps/intel10g.lua and adjustable before (!) the NIC gets initialized: + +Defined in src/apps/intel10g.lua and adjustable before (!) the NIC +gets initialized: ``` require('apps.intel.intel10g').num_descriptors = ring_buffer_size @@ -14,19 +17,34 @@ require('apps.intel.intel10g').num_descriptors = ring_buffer_size config.app(c, "nic", require(device_info.driver).driver, {...}) ``` -The default of 512 seems too small, based on load test at IMIX line rate tests against lwaftr, 1024 or 2048 gave equally good results. Num_descriptors controls the Receive Descriptor Length on the Intel 82599 Controller, which determines the number of packets allocated to the circular buffer. This value must be a power of two. Larger ingress buffer can reduce packet loss while Snabb is busy handling other packets, but it will also increase latency for packets waiting in the queue to be picked up by Snabb. +The default of 512 seems too small, based on load test at IMIX line +rate tests against lwaftr, 1024 or 2048 gave equally good +results. Num_descriptors controls the Receive Descriptor Length on the +Intel 82599 Controller, which determines the number of packets +allocated to the circular buffer. This value must be a power of +two. Larger ingress buffer can reduce packet loss while Snabb is busy +handling other packets, but it will also increase latency for packets +waiting in the queue to be picked up by Snabb. ### Enable engine.busywait -Defined in src/core/app.lua and enabled before calling engine.main() via + +Defined in src/core/app.lua and enabled before calling engine.main() +via ``` engine.busywait = true engine.main(...) ``` -If true then the engine will poll for new data in a tight loop (100% CPU) instead of sleeping according to the Hz setting. This will reduce overall packet latency and increase throughput at the cost of utilizing the CPU hosting Snabb at 100%. + +If true then the engine will poll for new data in a tight loop (100% +CPU) instead of sleeping according to the Hz setting. This will reduce +overall packet latency and increase throughput at the cost of +utilizing the CPU hosting Snabb at 100%. ### Monitor ifInDiscards -Snabb offers SNMP based ifInDiscards counters when SNMP is enabled. (TODO: need an easier way to expose these counters from the Intel register QPRDC). +Snabb offers SNMP based ifInDiscards counters when SNMP is +enabled. (TODO: need an easier way to expose these counters from the +Intel register QPRDC). Enable SNMP in Snabb: @@ -35,16 +53,23 @@ config.app(c, nic_id, require(device_info.driver).driver, {..., snmp = { directory = "/tmp", status_timer = 1 }, ... }) ``` -Then access ifInDiscards counter via od (the exact offset can be calculated from the file /tmp/0000:81:00.0.index): +Then access ifInDiscards counter via od (the exact offset can be +calculated from the file /tmp/0000:81:00.0.index): ``` od -j 305 -A none -N 4 -t u4 /tmp/0000\:81\:00.0 94543 ``` -Above example shows 94543 discarded packets at ingress on Port 0 since launching Snabb. + +Above example shows 94543 discarded packets at ingress on Port 0 since +launching Snabb. ## Qemu & Vhost-User -[Vhost-User](http://www.virtualopensystems.com/en/solutions/guides/snabbswitch-qemu/) is used to connect Snabb with a high performance virtual interface attached to a Qemu based virtual machine. This requires hugepages (explained further down) made available to Qemu: + +[Vhost-User](http://www.virtualopensystems.com/en/solutions/guides/snabbswitch-qemu/) +is used to connect Snabb with a high performance virtual interface +attached to a Qemu based virtual machine. This requires hugepages +(explained further down) made available to Qemu: ``` cd /bin/x86_64-softmmu/ @@ -58,34 +83,73 @@ qemu-system-x86_64 -enable-kvm -m 8000 -smp 2 \ /path/to/img ``` -The allocated memory must match the memory-backend-file size (example shows 8GB). While qemu will fail to boot if there isn't enough hugepages allocated, it is recommended to have some spare and note that the pages are split amongst the NUMA nodes. Check the paragraph on NUMA in this document. -It is recommended to specify the qemu option '-realtime mlock=on', despite it being the default. This ensures memory doesn't get swapped out. +The allocated memory must match the memory-backend-file size (example +shows 8GB). While qemu will fail to boot if there isn't enough +hugepages allocated, it is recommended to have some spare and note +that the pages are split amongst the NUMA nodes. Check the paragraph +on NUMA in this document. It is recommended to specify the qemu +option '-realtime mlock=on', despite it being the default. This +ensures memory doesn't get swapped out. ## Hardware / BIOS ### Disable Hyper-Threading -Disable hyper-threading (HT) in the BIOS. Even with isolating the correct hyper-threaded CPU's, can create latency spikes, leading to packet loss, when enabled. (TODO: do we have one of the automated tests showing this?) -According to [Intel on Hyper-Threading](http://www.intel.com/content/www/us/en/architecture-and-technology/hyper-threading/hyper-threading-technology.html): "Intel® Hyper-Threading Technology (Intel® HT Technology) uses processor resources more efficiently, enabling multiple threads to run on each core. As a performance feature, it also increases processor throughput, improving overall performance on threaded software.". Snabb runs single threaded, so can't benefit directly from HT. + +Disable hyper-threading (HT) in the BIOS. Even with isolating the +correct hyper-threaded CPU's, can create latency spikes, leading to +packet loss, when enabled. (TODO: do we have one of the automated +tests showing this?) According to [Intel on +Hyper-Threading](http://www.intel.com/content/www/us/en/architecture-and-technology/hyper-threading/hyper-threading-technology.html): +"Intel® Hyper-Threading Technology (Intel® HT Technology) uses +processor resources more efficiently, enabling multiple threads to run +on each core. As a performance feature, it also increases processor +throughput, improving overall performance on threaded +software.". Snabb runs single threaded, so can't benefit directly from +HT. + ### Performance Profile set to Max -Servers are optimized for energy efficiency. While this is great for application servers, Virtual Network Functions like Snabb benefit from performance optimized settings. Each vendor offers different BIOS settings to enable or disable energy efficiency settings or profiles. They are typically named "Max performance", "Energy Efficiency" and "Custom". Select "Max performance" for latency sensitive Snabb use. + +Servers are optimized for energy efficiency. While this is great for +application servers, Virtual Network Functions like Snabb benefit from +performance optimized settings. Each vendor offers different BIOS +settings to enable or disable energy efficiency settings or +profiles. They are typically named "Max performance", "Energy +Efficiency" and "Custom". Select "Max performance" for latency +sensitive Snabb use. + ### Turbo Mode -Intel Turbo Boost Technology allows processor cores to run faster than the rated operating frequency if they're operating below power, current, and temperature specification limits. (TODO: impact not yet analyzed on Snabb, nor if it is controlled by the performance profile). + +Intel Turbo Boost Technology allows processor cores to run faster than +the rated operating frequency if they're operating below power, +current, and temperature specification limits. (TODO: impact not yet +analyzed on Snabb, nor if it is controlled by the performance +profile). + ## Linux Kernel + ### Disable IOMMU -Sandybridge CPUs have a known issue on its IOTBL huge page support, impacting small packet performance. Newer CPUs don't have this issue. -(TODO, only found this info here: [http://dpdk.org/ml/archives/dev/2014-October/007411.html]() -(TODO: pass through mode: [https://lwn.net/Articles/329174/]()) + +Sandybridge CPUs have a known issue on its IOTBL huge page support, +impacting small packet performance. Newer CPUs don't have this issue. +(TODO, only found this info here: +[http://dpdk.org/ml/archives/dev/2014-October/007411.html]() (TODO: +pass through mode: [https://lwn.net/Articles/329174/]()) Add IOMMU=pt (pass through) to the kernel: ``` GRUB_CMDLINE_LINUX_DEFAULT="... iommu=pt ... " ``` + ### Enable huge pages -Required for Snabb to function. Select size 1G. On NUMA systems (more than one CPU socket/node), the pages are equally spread between all sockets. + +Required for Snabb to function. Select size 1G. On NUMA systems (more +than one CPU socket/node), the pages are equally spread between all +sockets. ``` GRUB_CMDLINE_LINUX_DEFAULT="... default_hugepagesz=1GB hugepagesz=1G hugepages=64 ..." ``` + Actual use of hugepages can be monitored with ``` @@ -97,7 +161,8 @@ HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 1048576 kB ``` - On NUMA systems, the allocation and usage per node can be seen with + +On NUMA systems, the allocation and usage per node can be seen with ``` $ cat /sys/devices/system/node/node*/meminfo|grep Huge @@ -110,10 +175,18 @@ Node 1 HugePages_Total: 32 Node 1 HugePages_Free: 26 Node 1 HugePages_Surp: 0 ``` -(Above example shows six 1G pages in use on Node 1 with 2 Snabb processes serving one 10GE port each). + +(Above example shows six 1G pages in use on Node 1 with 2 Snabb +processes serving one 10GE port each). ### Disable irqbalance -The purpose of irqbalance is to distribute hardware interrupts across processors on a multiprocessor system in order to increase performance. Ubuntu has this installed and running in its default server installation. Snabb doesn't use interrupts to read packets. Disabling irqbalance forces CPU 0 to serve all hardware interrupts. To disable, either uninstall irqbalance or disable it: + +The purpose of irqbalance is to distribute hardware interrupts across +processors on a multiprocessor system in order to increase +performance. Ubuntu has this installed and running in its default +server installation. Snabb doesn't use interrupts to read +packets. Disabling irqbalance forces CPU 0 to serve all hardware +interrupts. To disable, either uninstall irqbalance or disable it: ``` $ sudo service irqbalance @@ -141,42 +214,65 @@ $ cat /proc/interrupts ``` ### CPU governor -settings should be performance, rather than ondemand or powersaving. (TODO: put the command here. Is this a linux kernel parameter?) + +settings should be performance, rather than ondemand or +powersaving. (TODO: put the command here. Is this a linux kernel +parameter?) ## CPU Isolation/Pinning -Snabb makes 100% use of a single CPU core, hence its important that no other task ever uses that core. Thats best achieved by telling the kernel scheduler via kernel option 'isolcpus' to ignore cores designated to Snabb. In /etc/default/grub (example reserves cores 18 and 19 for Snabb): + +Snabb makes 100% use of a single CPU core, hence its important that no +other task ever uses that core. Thats best achieved by telling the +kernel scheduler via kernel option 'isolcpus' to ignore cores +designated to Snabb. In /etc/default/grub (example reserves cores 18 +and 19 for Snabb): ``` GRUB_CMDLINE_LINUX_DEFAULT="... isolcpus=18-19 ..." ``` -Note: Never use CPU 0 for Snabb, because the Linux kernel uses CPU 0 to handle interrupts, including NMI (non-maskable interrupts). -Launch Snabb either via 'taskset' or 'numactl'. Examples to ping it on CPU 18: +Note: Never use CPU 0 for Snabb, because the Linux kernel uses CPU 0 +to handle interrupts, including NMI (non-maskable interrupts). + +Launch Snabb either via 'taskset' or 'numactl'. Examples to ping it on +CPU 18: ``` taskset -c 18 ./snabb ... numactl --physcpubind=18 ./snabb ... ``` -Note: Always use 'numactl' on NUMA servers, to limit allocation of memory to specified NUMA nodes with option '--membind=nodes': +Note: Always use 'numactl' on NUMA servers, to limit allocation of +memory to specified NUMA nodes with option '--membind=nodes': ``` numactl --physcpubind=18 --membind=1 ./snabb ... ``` ## NUMA -Non-uniform memory access (NUMA) enabled systems have two or more CPU sockets (also called nodes), each with its own memory. While accessing memory across sockets is possible (and happening all the time), its slower than accessing local memory. PCI slots are hard wired to a specific node. It is imperative to pin Snabb to the same node )CPU and memory) as the NIC. Linux offers the command 'lstopo' to get an overall picture in text and graphical form: + +Non-uniform memory access (NUMA) enabled systems have two or more CPU +sockets (also called nodes), each with its own memory. While accessing +memory across sockets is possible (and happening all the time), its +slower than accessing local memory. PCI slots are hard wired to a +specific node. It is imperative to pin Snabb to the same node )CPU and +memory) as the NIC. Linux offers the command 'lstopo' to get an +overall picture in text and graphical form: ``` lstopo --of pdf > lstopo.pdf ``` -Example from a Lenovo RD650 (Intel(R) Xeon(R) CPU E5-2650 v3): +Example from a Lenovo RD650 (Intel(R) Xeon(R) CPU E5-2650 v3): ![lstopo.png](lstopo.png) ### PCI Card and Snabb on same NUMA node -Memory shared between Snabb (by means of huge page mapping) and the NIC must share the same node. This is achieved via 'numactl', once the correct node is identified for a given NIC port/PCI address. -To find the node for a given PCI address, use cpulistaffinity combined with numactl (TODO: is there a more direct way??): + +Memory shared between Snabb (by means of huge page mapping) and the +NIC must share the same node. This is achieved via 'numactl', once the +correct node is identified for a given NIC port/PCI address. To find +the node for a given PCI address, use cpulistaffinity combined with +numactl (TODO: is there a more direct way??): ``` $ lspci|grep 10- @@ -192,13 +288,17 @@ node 1 cpus: 14 15 16 17 18 19 20 21 22 23 24 25 26 27 42 43 44 45 46 47 48 49 5 Above example shows the 10GE ports be served by node 1. -Use 'numactl' and pin Snabb to a specific core (ideally excluded from the kernel scheduler) adn memory node: +Use 'numactl' and pin Snabb to a specific core (ideally excluded from +the kernel scheduler) adn memory node: ``` numactl --physcpubind=18 --membind=1 ./snabb ... ``` -Snabb applications like snabbnfv and snabbvmx share memory also with one or more QEMU processes running Virtual Machines via VhostUser. These QEMU processes must also be pinned to the same NUMA node with numactl with optional CPU pinning: +Snabb applications like snabbnfv and snabbvmx share memory also with +one or more QEMU processes running Virtual Machines via +VhostUser. These QEMU processes must also be pinned to the same NUMA +node with numactl with optional CPU pinning: ``` numactl --membind=1 /usr/local/bin/qemu-system-x86_64 ... @@ -230,23 +330,45 @@ PID Node 0 Node 1 Total --------------- ------ ------ ----- Total 4 12040 12044 ``` -Above example shows two snabb processes (6049 & 6073) using memory only from node 1 as desired based on the NIC ports served by node 1. Two QEMU based Virtual Machines also only use memory from node 1. -If some memory is still used by another node for a given process, investigate its source and fix it. Possible candidates are SHM based filesystems use by Snabb in /var/run/snabb and SNMP SHM location if enabled. + +Above example shows two snabb processes (6049 & 6073) using memory +only from node 1 as desired based on the NIC ports served by node +1. Two QEMU based Virtual Machines also only use memory from node 1. +If some memory is still used by another node for a given process, +investigate its source and fix it. Possible candidates are SHM based +filesystems use by Snabb in /var/run/snabb and SNMP SHM location if +enabled. ### Watch for TLB shootdowns -TLB (Translation Lookaside Buffer) is a cache of the translations from virtual memory addresses to physical memory addresses. When a processor changes the virtual-to-physical mapping of an address, it needs to tell the other processors to invalidate that mapping in their caches. -The actions of one processor causing the TLBs to be flushed on other processors is what is called a TLB shootdown. -Occasional packet loss at ingress has been observed while TLB shootdowns happened on the system. There are per cpu counters of TLB shootdowns available in the output of 'cat /proc/interrupts': +TLB (Translation Lookaside Buffer) is a cache of the translations from +virtual memory addresses to physical memory addresses. When a +processor changes the virtual-to-physical mapping of an address, it +needs to tell the other processors to invalidate that mapping in their +caches. The actions of one processor causing the TLBs to be flushed +on other processors is what is called a TLB shootdown. + +Occasional packet loss at ingress has been observed while TLB +shootdowns happened on the system. There are per cpu counters of TLB +shootdowns available in the output of 'cat /proc/interrupts': ``` $ cat /proc/interrupts |grep TLB TLB: 2012 2141 1778 1942 2357 2076 2041 2129 2209 1960 486 0 0 0 0 0 0 145 0 0 TLB shootdowns ``` -They must remain 0 for the CPU serving Snabb (pinned via taskset or numactl). One possible source of such TLB shootdowns can be the use of SHM between processes on different nodes or pinning Snabb to a list of CPUs instead a single one (TODO: needs confirmation. Have seen periodic TLB shootdowns before optimization based on this doc); + +They must remain 0 for the CPU serving Snabb (pinned via taskset or +numactl). One possible source of such TLB shootdowns can be the use of +SHM between processes on different nodes or pinning Snabb to a list of +CPUs instead a single one (TODO: needs confirmation. Have seen +periodic TLB shootdowns before optimization based on this doc); ## Docker -CPU pinning via tasket and numactl work also within Docker Containers running in privileged mode. It is important to note that the Container can use all CPU cores, including the ones specifically excluded by the kernel option isolcpus: + +CPU pinning via tasket and numactl work also within Docker Containers +running in privileged mode. It is important to note that the Container +can use all CPU cores, including the ones specifically excluded by the +kernel option isolcpus: ``` $ taskset -cp $$ @@ -256,7 +378,3 @@ $ docker run --name ubuntu -ti ubuntu:14.04.4 root@c819e0f106c4:/# taskset -cp $$ pid 1's current affinity list: 0-15 ``` - - - - From fe286538e2f272a36aefe6ca1d7cc76af5d2d656 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Wed, 19 Oct 2016 14:44:13 +0200 Subject: [PATCH 318/340] Misc. cleanup of the program/lwaftr/ subtree (#501) Misc. cleanup of the program/lwaftr/ subtree, plus one bugfix --- .../compile_binding_table.lua | 4 +-- src/program/lwaftr/control/control.lua | 1 - .../generate_binding_table.lua | 36 +++++++++---------- src/program/lwaftr/generator/generator.lua | 2 -- src/program/lwaftr/query/query.lua | 8 ++--- src/program/lwaftr/run_nohw/run_nohw.lua | 4 +-- src/program/lwaftr/setup.lua | 4 +-- src/program/lwaftr/transient/transient.lua | 8 ++--- src/program/packetblaster/lwaftr/lwaftr.lua | 3 -- src/program/snabbvmx/lwaftr/setup.lua | 6 ++-- 10 files changed, 32 insertions(+), 44 deletions(-) diff --git a/src/program/lwaftr/compile_binding_table/compile_binding_table.lua b/src/program/lwaftr/compile_binding_table/compile_binding_table.lua index 88ed8bbb83..46bd6efa14 100644 --- a/src/program/lwaftr/compile_binding_table/compile_binding_table.lua +++ b/src/program/lwaftr/compile_binding_table/compile_binding_table.lua @@ -21,8 +21,8 @@ function run(args) local in_file, out_file = parse_args(args) if not out_file then out_file = in_file:gsub("%.txt$", "")..'.o' end -- We use the stream module because it gives us the mtime. - local stream = stream.open_input_text_stream(in_file) - local success, bt_or_err = pcall(binding_table.load_source, stream) + local input_stream = stream.open_input_text_stream(in_file) + local success, bt_or_err = pcall(binding_table.load_source, input_stream) if not success then io.stderr:write(tostring(bt_or_err)..'\n') main.exit(1) diff --git a/src/program/lwaftr/control/control.lua b/src/program/lwaftr/control/control.lua index 41609444a5..8c62c6ccdf 100644 --- a/src/program/lwaftr/control/control.lua +++ b/src/program/lwaftr/control/control.lua @@ -35,7 +35,6 @@ function run(args) local pid, message = parse_args(args) local ch = channel.open(pid, 'lwaftr/control', messages.lwaftr_message_t) if ch:put(message) then main.exit(0) end - local name = channel.root..'/'..tostring(pid)..'/channels/lwaftr/control' print(string.format( 'Channel lwaftr/control for PID %d is full; try again later.', pid)) main.exit(1) diff --git a/src/program/lwaftr/generate_binding_table/generate_binding_table.lua b/src/program/lwaftr/generate_binding_table/generate_binding_table.lua index d820f35ca9..f65ab9b5a8 100644 --- a/src/program/lwaftr/generate_binding_table/generate_binding_table.lua +++ b/src/program/lwaftr/generate_binding_table/generate_binding_table.lua @@ -21,9 +21,9 @@ local function to_ipv4_u32(ip) return ip[0] * 2^24 + ip[1] * 2^16 + ip[2] * 2^8 + ip[3] end -local function psid_map_entry(ipv4, psid_len, shift) - if tonumber(ipv4) then ipv4 = to_ipv4_string(ipv4) end - return ("%s { psid_length=%d, shift=%d }"):format(ipv4, psid_len, shift) +local function psid_map_entry(v4addr, psid_len, shift) + if tonumber(v4addr) then v4addr = to_ipv4_string(v4addr) end + return ("%s { psid_length=%d, shift=%d }"):format(v4addr, psid_len, shift) end local function inc_ipv4(uint32) @@ -32,12 +32,12 @@ end local function psid_map_entries(params) local entries = {} - local ipv4 = params.from_ipv4 - if type(ipv4) == "string" then ipv4 = to_ipv4_u32(ipv4) end - assert(type(ipv4) == "number") - for i=1,params.num_ips do - table.insert(entries, psid_map_entry(ipv4, params.psid_len, params.shift)) - ipv4 = inc_ipv4(ipv4) + local v4addr = params.from_ipv4 + if type(v4addr) == "string" then v4addr = to_ipv4_u32(v4addr) end + assert(type(v4addr) == "number") + for _ = 1, params.num_ips do + table.insert(entries, psid_map_entry(v4addr, params.psid_len, params.shift)) + v4addr = inc_ipv4(v4addr) end return entries end @@ -56,13 +56,13 @@ local function br_addresses(w, br_address) w:ln("}") end -local function softwire_entry(ipv4, psid_len, b4) - if tonumber(ipv4) then ipv4 = to_ipv4_string(ipv4) end - return ("{ ipv4=%s, psid=%d, b4=%s }"):format(ipv4, psid_len, b4) +local function softwire_entry(v4addr, psid_len, b4) + if tonumber(v4addr) then v4addr = to_ipv4_string(v4addr) end + return ("{ ipv4=%s, psid=%d, b4=%s }"):format(v4addr, psid_len, b4) end local function inc_ipv6(ipv6) - for i=15,0,-1 do + for i = 15, 0, -1 do if ipv6[i] == 255 then ipv6[i] = 0 else @@ -75,15 +75,15 @@ end local function softwire_entries(from_ipv4, num_ips, psid_len, from_b4) local entries = {} - local ipv4 = to_ipv4_u32(from_ipv4) + local v4addr = to_ipv4_u32(from_ipv4) local b4 = ipv6:pton(from_b4) local n = 2^psid_len - for i=1,num_ips do - for psid=1,n-1 do - table.insert(entries, softwire_entry(ipv4, psid, ipv6:ntop(b4))) + for _ = 1, num_ips do + for psid = 1, n-1 do + table.insert(entries, softwire_entry(v4addr, psid, ipv6:ntop(b4))) b4 = inc_ipv6(b4) end - ipv4 = inc_ipv4(ipv4) + v4addr = inc_ipv4(v4addr) end return entries end diff --git a/src/program/lwaftr/generator/generator.lua b/src/program/lwaftr/generator/generator.lua index 1fd87e02dd..ca4dffeca9 100644 --- a/src/program/lwaftr/generator/generator.lua +++ b/src/program/lwaftr/generator/generator.lua @@ -2,11 +2,9 @@ module(..., package.seeall) local Intel82599 = require("apps.intel.intel_app").Intel82599 local PcapWriter = require("apps.pcap.pcap").PcapWriter -local binding_table = require("apps.lwaftr.binding_table") local config = require("core.config") local generator = require("apps.lwaftr.generator") local lib = require("core.lib") -local stream = require("apps.lwaftr.stream") local lwconf = require("apps.lwaftr.conf") local DEFAUL_MAX_PACKETS = 10 diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua index b4fa96eb61..00cbb7242f 100644 --- a/src/program/lwaftr/query/query.lua +++ b/src/program/lwaftr/query/query.lua @@ -1,6 +1,5 @@ module(..., package.seeall) -local S = require("syscall") local counter = require("core.counter") local ffi = require("ffi") local lib = require("core.lib") @@ -74,7 +73,7 @@ function parse_args (raw_args) return nil, nil end -local function read_counters (tree, filter) +local function read_counters (tree) local ret = {} local cnt, cnt_path, value local max_width = 0 @@ -102,10 +101,10 @@ local function print_counter (name, value, max_width) print(("%s: %s%s"):format(name, (" "):rep(nspaces), lib.comma_value(value))) end -function print_counters (tree, filter) +local function print_counters (tree, filter) print("lwAFTR operational counters (non-zero)") -- Open, read and print whatever counters are in that directory. - local counters, max_width = read_counters(tree, filter) + local counters, max_width = read_counters(tree) for _, name in ipairs(sort(keys(counters))) do if not skip_counter(name, filter) then local value = counters[name] @@ -116,7 +115,6 @@ end function run (raw_args) local target_pid, counter_name = parse_args(raw_args) - local instance_tree = select_snabb_instance(target_pid) print_counters(instance_tree, counter_name) end diff --git a/src/program/lwaftr/run_nohw/run_nohw.lua b/src/program/lwaftr/run_nohw/run_nohw.lua index 07c44e0766..8d8cff4245 100644 --- a/src/program/lwaftr/run_nohw/run_nohw.lua +++ b/src/program/lwaftr/run_nohw/run_nohw.lua @@ -1,11 +1,9 @@ module(..., package.seeall) local CSVStatsTimer = require("program.lwaftr.csv_stats").CSVStatsTimer -local ethernet = require("lib.protocol.ethernet") local RawSocket = require("apps.socket.raw").RawSocket local LwAftr = require("apps.lwaftr.lwaftr").LwAftr local lib = require("core.lib") -local S = require("syscall") local lwutil = require("apps.lwaftr.lwutil") local file_exists = lwutil.file_exists @@ -75,7 +73,7 @@ function run(parameters) config.link(c, "aftr.v6 -> b4if.rx") if verbosity >= 1 then - local csv = CSVStatsTimer.new(csv_file) + local csv = CSVStatsTimer.new(bench_file) csv:add_app("inet", {"tx", "rx"}, { tx = "IPv4 TX", rx = "IPv4 RX" }) csv:add_app("tob4", {"tx", "rx"}, { tx = "IPv6 TX", rx = "IPv6 RX" }) csv:activate() diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index 298380447c..4563009642 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -113,12 +113,12 @@ function set_postprocessors(c, src, apps) link_apps(c, apps) end -function link_source(c, v4_in, v6_in) +local function link_source(c, v4_in, v6_in) config.link(c, v4_in..' -> reassemblerv4.input') config.link(c, v6_in..' -> reassemblerv6.input') end -function link_sink(c, v4_out, v6_out) +local function link_sink(c, v4_out, v6_out) config.link(c, 'fragmenterv4.output -> '..v4_out) config.link(c, 'fragmenterv6.output -> '..v6_out) end diff --git a/src/program/lwaftr/transient/transient.lua b/src/program/lwaftr/transient/transient.lua index e206ba6288..d3813727f8 100644 --- a/src/program/lwaftr/transient/transient.lua +++ b/src/program/lwaftr/transient/transient.lua @@ -1,7 +1,6 @@ module(..., package.seeall) local engine = require("core.app") -local counter = require("core.counter") local config = require("core.config") local timer = require("core.timer") local csv_stats = require("program.lwaftr.csv_stats") @@ -12,14 +11,13 @@ local loadgen = require("apps.lwaftr.loadgen") local main = require("core.main") local PcapReader = require("apps.pcap.pcap").PcapReader local lib = require("core.lib") -local ffi = require("ffi") function show_usage(code) print(require("program.lwaftr.transient.README_inc")) main.exit(code) end -function find_devices(pattern) +local function find_devices(pattern) if #pci.devices == 0 then pci.scan_devices() end pattern = pci.qualified(pattern) local ret = {} @@ -32,7 +30,7 @@ function find_devices(pattern) return ret end -function find_device(pattern) +local function find_device(pattern) local devices = find_devices(pattern) if #devices == 0 then error('no devices matched pattern "'..pattern..'"') @@ -90,7 +88,7 @@ end -- This ramps the repeater up from 0 Gbps to the max bitrate, lingering -- at the top only for one period, then comes back down in the same way. -- We can add more of these for different workloads. -function adjust_rate(opts, streams) +local function adjust_rate(opts, streams) local count = math.ceil(opts.bitrate / opts.step) return function() local bitrate = opts.bitrate - math.abs(count) * opts.step diff --git a/src/program/packetblaster/lwaftr/lwaftr.lua b/src/program/packetblaster/lwaftr/lwaftr.lua index 2895ce785a..bcb3dbf9cf 100644 --- a/src/program/packetblaster/lwaftr/lwaftr.lua +++ b/src/program/packetblaster/lwaftr/lwaftr.lua @@ -6,8 +6,6 @@ local engine = require("core.app") local config = require("core.config") local timer = require("core.timer") local pci = require("lib.hardware.pci") -local intel10g = require("apps.intel.intel10g") -local intel_app = require("apps.intel.intel_app") local main = require("core.main") local S = require("syscall") local Lwaftrgen = require("apps.test.lwaftr").Lwaftrgen @@ -17,7 +15,6 @@ local pcap = require("apps.pcap.pcap") local VhostUser = require("apps.vhost.vhost_user").VhostUser local lib = require("core.lib") local ffi = require("ffi") -local C = ffi.C local usage = require("program.packetblaster.lwaftr.README_inc") diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index bf75b6b2f9..bc7cdc6c9d 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -82,7 +82,7 @@ local function load_phy (c, nic_id, interface) if nic_exists(interface.pci) then local driver = load_driver(interface.pci) - local vlan = interface.vlan and tonumber(interface.vlan) + vlan = interface.vlan and tonumber(interface.vlan) print(("%s network ether %s mtu %d"):format(nic_id, interface.mac_address, interface.mtu)) if vlan then print(("%s vlan %d"):format(nic_id, vlan)) @@ -304,8 +304,8 @@ local function lwaftr_app_check (c, conf, lwconf, sources, sinks) assert(type(conf) == "table") assert(type(lwconf) == "table") - v4_input, v6_input = unpack(sources) - v4_output, v6_output = unpack(sinks) + local v4_input, v6_input = unpack(sources) + local v4_output, v6_output = unpack(sinks) if conf.ipv6_interface then if conf.ipv6_interface.fragmentation then From b5a2cde283b8488ec0363664c11153e4a771e905 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 19 Oct 2016 14:16:27 +0000 Subject: [PATCH 319/340] Merge lwAFTR performance notes to performance-tuning.md --- src/doc/performance-tuning.md | 564 +++++++++++++++++++++------------- 1 file changed, 348 insertions(+), 216 deletions(-) diff --git a/src/doc/performance-tuning.md b/src/doc/performance-tuning.md index 527bfa7562..6644f45a01 100644 --- a/src/doc/performance-tuning.md +++ b/src/doc/performance-tuning.md @@ -1,155 +1,185 @@ # Maximizing deployment performance For maximum performance, several hardware, operating system and Snabb -parameters need to be tuned. Note that this document is only on tuning -for deployment performance, not on how to write performant Snabb code. +parameters need to be tuned. We start with some generic +system-oriented tips and move towards application configuration. -## Snabb +## BIOS settings -### ring-buffer/num_descriptors +### Prioritize performance over efficiency -Defined in src/apps/intel10g.lua and adjustable before (!) the NIC -gets initialized: +Go into your BIOS and verify that you or your hardware vendor have not +enabled aggressive power-saving modes that could downclock your +processors. A CPU in a power-saving mode typically takes some time to +return to peak performance, and this latency can cause packet loss. +Servers are often shipped configured to prioritize energy efficiency +over performance, which is not the best choice if avoiding packet loss +is a goal. -``` -require('apps.intel.intel10g').num_descriptors = ring_buffer_size -... -config.app(c, "nic", require(device_info.driver).driver, {...}) -``` +Note that each vendor offers different BIOS settings to enable or +disable energy efficiency settings or profiles, typically named "Max +performance", "Energy Efficiency" and "Custom". Select "Max +performance" for latency sensitive Snabb use. -The default of 512 seems too small, based on load test at IMIX line -rate tests against lwaftr, 1024 or 2048 gave equally good -results. Num_descriptors controls the Receive Descriptor Length on the -Intel 82599 Controller, which determines the number of packets -allocated to the circular buffer. This value must be a power of -two. Larger ingress buffer can reduce packet loss while Snabb is busy -handling other packets, but it will also increase latency for packets -waiting in the queue to be picked up by Snabb. +### Hyperthreads -### Enable engine.busywait +Hyperthreads are a way of maximizing resource utilization on a CPU core, +driven by the observation that a CPU is often waiting on memory or some +external event, and might as well be doing something else while it's +waiting. In such a situation, it can be advantageous to run a second +thread on that CPU. However for Snabb that's exactly what we don't +want. We do not want another thread competing for compute and cache +resources on our CPU and increasing our latency. For best results and +lowest latency, disable hyperthreading via the BIOS settings. -Defined in src/core/app.lua and enabled before calling engine.main() -via +### Tune Turbo Boost -``` -engine.busywait = true -engine.main(...) -``` +Intel Turbo Boost Technology allows processor cores to run faster than +the rated operating frequency if they're operating below power, +current, and temperature specification limits. The conservative thing +to do is to turn off Turbo Boost when doing performance tests of Snabb +data planes, because that way you reduce variance due to CPU clock +speed changing. -If true then the engine will poll for new data in a tight loop (100% -CPU) instead of sleeping according to the Hz setting. This will reduce -overall packet latency and increase throughput at the cost of -utilizing the CPU hosting Snabb at 100%. +## System settings -### Monitor ifInDiscards -Snabb offers SNMP based ifInDiscards counters when SNMP is -enabled. (TODO: need an easier way to expose these counters from the -Intel register QPRDC). +### Adjust CPU frequency governor -Enable SNMP in Snabb: +To avoid power-saving heuristics causing decreased throughput and higher +latency, set the CPU frequency governor to `performance`: -``` -config.app(c, nic_id, require(device_info.driver).driver, - {..., snmp = { directory = "/tmp", status_timer = 1 }, ... }) +```bash +for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do + [ -f $CPUFREQ ] || continue; + echo -n performance > $CPUFREQ; +done ``` -Then access ifInDiscards counter via od (the exact offset can be -calculated from the file /tmp/0000:81:00.0.index): +### Isolate CPUs + +When running a Snabb data plane, we don't want interference from the +Linux kernel. In normal operation, a Snabb data plane won't even make +any system calls at all. You can prevent the Linux kernel from +pre-empting your Snabb application to schedule other processes on its +CPU by reserving CPUs via the `isolcpus` kernel boot setting. + +To isolate CPUs, boot your Linux kernel with the `isolcpus` parameter. +Under NixOS, edit `/etc/nixos/configuration.nix` to add this parameter: ``` -od -j 305 -A none -N 4 -t u4 /tmp/0000\:81\:00.0 - 94543 +boot.kernelParams = [ "isolcpus=1-5,7-11" ]; ``` -Above example shows 94543 discarded packets at ingress on Port 0 since -launching Snabb. +The line above prevents the kernel to schedule processes in CPUs ranging +from 1 to 5 and 7 to 11. That leaves CPUs 0 and 6 for the Linux kernel. +By default, the kernel will arrange deliver interrupts to the first CPU +on a socket, so this `isolcpus` setting should also isolate the +data plane from interrupt handling as well. -## Qemu & Vhost-User +After adding the `isolcpus` flag run `nixos-rebuild switch` and then reboot +your workstation to enable the changes. -[Vhost-User](http://www.virtualopensystems.com/en/solutions/guides/snabbswitch-qemu/) -is used to connect Snabb with a high performance virtual interface -attached to a Qemu based virtual machine. This requires hugepages -(explained further down) made available to Qemu: +For a standard Ubuntu or other system, edit `/etc/default/grub` to add the appropriate `isolcpus` line. ``` -cd /bin/x86_64-softmmu/ -qemu-system-x86_64 -enable-kvm -m 8000 -smp 2 \ - -chardev socket,id=char0,path=./xe0.socket,server \ - -netdev type=vhost-user,id=net0,chardev=char0 \ - -device virtio-net-pci,netdev=net0,mac=02:cf:69:15:0b:00 \ - -object memory-backend-file,id=mem,size=8000M,mem-path=/hugetlbfs,share=on \ - -numa node,memdev=mem -mem-prealloc \ - -realtime mlock=on \ - /path/to/img +GRUB_CMDLINE_LINUX_DEFAULT="... isolcpus=1-5,7-11 ..." ``` -The allocated memory must match the memory-backend-file size (example -shows 8GB). While qemu will fail to boot if there isn't enough -hugepages allocated, it is recommended to have some spare and note -that the pages are split amongst the NUMA nodes. Check the paragraph -on NUMA in this document. It is recommended to specify the qemu -option '-realtime mlock=on', despite it being the default. This -ensures memory doesn't get swapped out. +### Avoid interrupts -## Hardware / BIOS -### Disable Hyper-Threading - -Disable hyper-threading (HT) in the BIOS. Even with isolating the -correct hyper-threaded CPU's, can create latency spikes, leading to -packet loss, when enabled. (TODO: do we have one of the automated -tests showing this?) According to [Intel on -Hyper-Threading](http://www.intel.com/content/www/us/en/architecture-and-technology/hyper-threading/hyper-threading-technology.html): -"Intel® Hyper-Threading Technology (Intel® HT Technology) uses -processor resources more efficiently, enabling multiple threads to run -on each core. As a performance feature, it also increases processor -throughput, improving overall performance on threaded -software.". Snabb runs single threaded, so can't benefit directly from -HT. - -### Performance Profile set to Max - -Servers are optimized for energy efficiency. While this is great for -application servers, Virtual Network Functions like Snabb benefit from -performance optimized settings. Each vendor offers different BIOS -settings to enable or disable energy efficiency settings or -profiles. They are typically named "Max performance", "Energy -Efficiency" and "Custom". Select "Max performance" for latency -sensitive Snabb use. - -### Turbo Mode +Normally Linux will handle hardware interrupts on the first core on a +socket. In our case above, that would be cores 0 and 6. That works +well with our `isolcpus` setting as well: interrupts like timers and so +on will only get delivered to the cores which Linux is managing already, +and won't interrupt the data planes. -Intel Turbo Boost Technology allows processor cores to run faster than -the rated operating frequency if they're operating below power, -current, and temperature specification limits. (TODO: impact not yet -analyzed on Snabb, nor if it is controlled by the performance -profile). +However, some distributions (notably Ubuntu) enable `irqbalanced`, a +daemon whose job it is to configure the system to deliver interrupts +to all cores. This can increase interrupt-handling throughput, but +that's not what we want in a Snabb scenario: we want low latency for +the data plane, and handling interrupts on data-plane CPUs is +undesirable. When deploying on Ubuntu, be sure to disable +`irqbalanced` by setting `ENABLED` to 0 in `/etc/default/irqbalance`: -## Linux Kernel +``` +$ cat /etc/default/irqbalance +#Configuration for the irqbalance daemon -### Disable IOMMU +#Should irqbalance be enabled? +ENABLED="0" +... +``` -Sandybridge CPUs have a known issue on its IOTBL huge page support, -impacting small packet performance. Newer CPUs don't have this issue. -(TODO, only found this info here: -[http://dpdk.org/ml/archives/dev/2014-October/007411.html]() (TODO: -pass through mode: [https://lwn.net/Articles/329174/]()) +Various interrupt counters per CPU core can be retrieved via -Add IOMMU=pt (pass through) to the kernel: +``` +$ cat /proc/interrupts + CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7 CPU8 CPU9 CPU10 CPU11 CPU12 CPU13 CPU14 CPU15 CPU16 CPU17 CPU18 CPU19 + 0: 41 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-IO-APIC 2-edge timer + 8: 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-IO-APIC 8-edge rtc0 +... +``` + +### Disable IOMMU + +The oldest CPU supported by Snabb is the Sandy Bridge series, and this +series happens to have a bug in their IOMMU support that cripples +snabb performance. As a result, we never test Snabb data planes with +the IOMMU on, so in production it should also be disabled via a kernel +boot parameter: ``` -GRUB_CMDLINE_LINUX_DEFAULT="... iommu=pt ... " +# Ubuntu +GRUB_CMDLINE_LINUX_DEFAULT="... intel_iommu=off ... " + +# NixOS +boot.kernelParams = [ ... "intel_iommu=off" ... ]; ``` -### Enable huge pages +It is said that newer CPUs don't have this issue and that we should be +using `iommu=pt` for "passthrough" support. See +http://dpdk.org/ml/archives/dev/2014-October/007411.html and +https://lwn.net/Articles/329174/ for further details. The IOMMU +sounds like a nice idea and we would like to be able to take advantage +of it eventually. -Required for Snabb to function. Select size 1G. On NUMA systems (more -than one CPU socket/node), the pages are equally spread between all -sockets. +### Provision huge pages + +By default on a Xeon machine, the virtual memory system manages its +allocations in 4096-byte "pages". It has a "page table" which maps +virtual page addresses to physical memory addresses. Frequently-used +parts of a page table are cached in the "translation lookaside buffer" +(TLB) for fast access. A virtual memory mapping that describes 500 MB +of virtual memory would normally require 120000 entries for 4096-byte +pages. However, a TLB only has a limited amount of space and can't hold +all those entries. If it is missing an entry, that causes a "TLB miss", +causing an additional trip out to memory to fetch the page table entry, +slowing down memory access. + +To mitigate this problem, it's possible for a Xeon machine to have some +"huge pages", which can be either 2 megabytes or 1 gigabyte in size. +The same 500MB address space would then require only 250 entries for 2MB +hugepages, or just 1 for 1GB hugepages. That's a big win! Also, +memory within a huge page is physically contiguous, which is required to +interact with some hardware devices, notably the Intel 82599 NICs. + +However because hugepages are bigger and need to be physically +contiguous, it may be necessary to pre-allocate them at boot-time. To +do that, add the `default_hugepagesz`, `hugepagesz`, and `hugepages` +parameters to your kernel boot. In NixOS, we use the following, adding +on to the `isolcpus` setting mentioned above: ``` -GRUB_CMDLINE_LINUX_DEFAULT="... default_hugepagesz=1GB hugepagesz=1G hugepages=64 ..." +boot.kernelParams = [ "default_hugepagesz=2048K" "hugepagesz=2048K" + "hugepages=10000" "isolcpus=1-5,7-11" ]; ``` +For Ubuntu, edit the Grub configuration as described above. + +To use one-gigabyte huge pages, replace `2048K` above with `1G1 and +reduce the `hugepages` count down to something more reasonable, +perhaps 64. ``` + Actual use of hugepages can be monitored with ``` @@ -176,88 +206,69 @@ Node 1 HugePages_Free: 26 Node 1 HugePages_Surp: 0 ``` -(Above example shows six 1G pages in use on Node 1 with 2 Snabb +(The above example shows six 1G pages in use on Node 1 with 2 Snabb processes serving one 10GE port each). -### Disable irqbalance +## Running the data plane -The purpose of irqbalance is to distribute hardware interrupts across -processors on a multiprocessor system in order to increase -performance. Ubuntu has this installed and running in its default -server installation. Snabb doesn't use interrupts to read -packets. Disabling irqbalance forces CPU 0 to serve all hardware -interrupts. To disable, either uninstall irqbalance or disable it: +### Set CPU affinity -``` -$ sudo service irqbalance -``` +Many Snabb network functions take a `--cpu` argument, which will +arrange for the Snabb process to run on a particular CPU. It will +also arrange to make sure that all memory used by that Snabb process +is on the same NUMA node as that CPU, and it will check that any PCI +device used by that Snabb process has affinity to that NUMA node, and +issue a warning if anything is amiss. -To make it permanent, set ENABLED to 0 in /etc/default/irqbalance: +If the Snabb network function that you are using does not have a +`--cpu` option, file a bug. Binding Snabb to a CPU and NUMA node can +also be done using the `numactl --membind` and `taskset -c` commands, +but we recommend the `--cpu` argument as it is easiest and it also +runs various consistency checks, such as checking that PCI devices +that you use are local to your NUMA node. -``` -$ cat /etc/default/irqbalance -#Configuration for the irqbalance daemon +### Use PCI devices and memory that is NUMA-local to your CPU -#Should irqbalance be enabled? -ENABLED="0" -... -``` +In a machine with multiple sockets, you usually have Non-Uniform +Memory Access, or NUMA. On such a system, a PCI device or a range of +memory might be "closer" to one node than another. The `--cpu` +argument to a nework function, described above, will issue a warning +if you use a PCI device that is not local to the NUMA node that +corresponds to the chosen CPU. -Various interrupt counters per CPU core can be retrieved via +To determine what PCI devices are local to what NUMA nodes, you need to +grovel around in `/sys`. For example if you are going to be working +with NICs `0000:01:00.0`, `0000:01:00.1`, `0000:02:00.0`, and +`0000:02:00.1`, check: +```bash +$ for device in 0000:0{1,2}:00.{0,1}; do \ + echo $device; cat /sys/bus/pci/devices/$device/numa_node; \ + done +0000:01:00.0 +0 +0000:01:00.1 +0 +0000:02:00.0 +0 +0000:02:00.1 +0 ``` -$ cat /proc/interrupts - CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7 CPU8 CPU9 CPU10 CPU11 CPU12 CPU13 CPU14 CPU15 CPU16 CPU17 CPU18 CPU19 - 0: 41 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-IO-APIC 2-edge timer - 8: 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-IO-APIC 8-edge rtc0 -... -``` - -### CPU governor -settings should be performance, rather than ondemand or -powersaving. (TODO: put the command here. Is this a linux kernel -parameter?) - -## CPU Isolation/Pinning - -Snabb makes 100% use of a single CPU core, hence its important that no -other task ever uses that core. Thats best achieved by telling the -kernel scheduler via kernel option 'isolcpus' to ignore cores -designated to Snabb. In /etc/default/grub (example reserves cores 18 -and 19 for Snabb): +So all of these are on NUMA node 0. Then you can check your CPUs: ``` -GRUB_CMDLINE_LINUX_DEFAULT="... isolcpus=18-19 ..." +$ numactl -H | grep cpus +node 0 cpus: 0 1 2 3 4 5 +node 1 cpus: 6 7 8 9 10 11 ``` -Note: Never use CPU 0 for Snabb, because the Linux kernel uses CPU 0 -to handle interrupts, including NMI (non-maskable interrupts). +So for these we should run our binaries under `--cpu CPU` to bind them +to CPUs in the NUMA node 0, and to arrange to use only memory that is +local to that CPU. -Launch Snabb either via 'taskset' or 'numactl'. Examples to ping it on -CPU 18: - -``` -taskset -c 18 ./snabb ... -numactl --physcpubind=18 ./snabb ... -``` - -Note: Always use 'numactl' on NUMA servers, to limit allocation of -memory to specified NUMA nodes with option '--membind=nodes': - -``` -numactl --physcpubind=18 --membind=1 ./snabb ... -``` - -## NUMA - -Non-uniform memory access (NUMA) enabled systems have two or more CPU -sockets (also called nodes), each with its own memory. While accessing -memory across sockets is possible (and happening all the time), its -slower than accessing local memory. PCI slots are hard wired to a -specific node. It is imperative to pin Snabb to the same node )CPU and -memory) as the NIC. Linux offers the command 'lstopo' to get an -overall picture in text and graphical form: +Note that Linux also offers the command `lstopo` to get an overall +picture in text and graphical form: ``` lstopo --of pdf > lstopo.pdf @@ -266,36 +277,109 @@ lstopo --of pdf > lstopo.pdf Example from a Lenovo RD650 (Intel(R) Xeon(R) CPU E5-2650 v3): ![lstopo.png](lstopo.png) -### PCI Card and Snabb on same NUMA node +### Tweak ring buffer sizes + +The way that Snabb interfaces with a NIC is that it will configure the +NIC to receive incoming packets into a /ring buffer/. This ring buffer +is allocated by Snabb (incidentally, to a huge page; see above) and will +be filled by the NIC. It has to be a power of 2 in size: so it can hold +space for 64 packets, 128 packets, 256 packets, and so on. The default +size is 512 packets and the maximum is 65536. The NIC will fill this +buffer with packets as it receives them: first to slot 0, then to slot +1, all the way up to slot 511 (for a ring buffer of the default size), +then back to slot 0, then slot 1, and so on. Snabb will periodically +take some packets out of this read buffer (currently 128 at a time), +process them, then come back and take some more: wash, rinse, repeat. + +Many network functions offer the ability to configure the ring buffer +size via a `--ring-buffer-size` argument. (Again, if the network +function you are using does not provide this option, file a bug.) +What is the right size? Well, there are a few trade-offs. If the +buffer is too big, it will take up a lot of memory and start to have +too much of a cache footprint. The ring buffer is mapped into Snabb's +memory as well, and the NIC arranges for the ring buffer elements that +it writes to be directly placed in L3 cache. This means that +receiving packets can evict other entries in L3 cache. If your ring +buffer is too big, it can evict other data resident in cache that you +might want. + +Another down-side of having a big buffer is latency. The bigger your +buffer, the more the bloat. Usually, Snabb applications always run +faster than the incoming packets, so the buffer size isn't an issue when +everything is going well; but in a traffic spike where packets come in +faster than Snabb can process them, the buffer can remain full the whole +time, which just adds latency for the packets that Snabb does manage to +process. + +However, too small a buffer exposes the user to a higher risk of +packet loss due to jitter in the Snabb breath time. A "breath" is one +cycle of processing a batch of packets, and as we mentioned it is +currently up to 128 packets at a time. This processing doesn't always +take the same amount of time: the contents of the packets can +obviously be different, causing different control flow and different +data flow. Even well-tuned applications can exhibit jitter in their +breath times due to differences between what data is in cache (and +which cache) and what data has to be fetched from memory. Infrequent +events like reconfiguration can also cause one breath to take longer +than another. Poorly-tuned applications might have other sources of +latency such as garbage collection, though this is not usually the +case in production-ready Snabb network functions like the NFV virtual +switch or the lwAFTR. + +So, a bigger ring buffer insulates packet processing from breath +jitter. You want your ring buffer to be big enough to not drop +packets due to jitter during normal operation, but not bigger than +that. In our testing we usually use the default ring buffer size. In +your operations you might want to increase this up to 2048 entries. +We have not found that bigger ring buffer sizes are beneficial, but it +depends very much on the environment. + +## Virtualization + +Running network functions under a Snabb NFV virtual switch is a great +for isolation, however you do have to get a number of things right or +you are not going to have a good experience. Really we should link +out to another guide here, but until that happens, here are some brief +notes. + +### Host-side switches: Snabb NFV, Snabb vMX + +All of the above considerations apply to running a virtual switch -- +give each virtual switch instance a dedicated CPU core on the host, +bind it to the same NUMA node of the card and the CPU, and make sure +there are enough huge pages. + +Additionally, for good performance, the host switch must run on the +same NUMA node as the guest. + +### QEMU & Vhost-User -Memory shared between Snabb (by means of huge page mapping) and the -NIC must share the same node. This is achieved via 'numactl', once the -correct node is identified for a given NIC port/PCI address. To find -the node for a given PCI address, use cpulistaffinity combined with -numactl (TODO: is there a more direct way??): +[Vhost-User](http://www.virtualopensystems.com/en/solutions/guides/snabbswitch-qemu/) +is used to connect Snabb with a high performance virtual interface +attached to a QEMU-based virtual machine. This requires hugepages +made available to Qemu: ``` -$ lspci|grep 10- -81:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) -81:00.1 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ -$ cat /sys/class/pci_bus/0000:81/cpulistaffinity -14-27,42-55 - -$ numactl -H|grep cpus -node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 28 29 30 31 32 33 34 35 36 37 38 39 40 41 -node 1 cpus: 14 15 16 17 18 19 20 21 22 23 24 25 26 27 42 43 44 45 46 47 48 49 50 51 52 53 54 55 +cd /bin/x86_64-softmmu/ +qemu-system-x86_64 -enable-kvm -m 8000 -smp 2 \ + -chardev socket,id=char0,path=./xe0.socket,server \ + -netdev type=vhost-user,id=net0,chardev=char0 \ + -device virtio-net-pci,netdev=net0,mac=02:cf:69:15:0b:00 \ + -object memory-backend-file,id=mem,size=8000M,mem-path=/hugetlbfs,share=on \ + -numa node,memdev=mem -mem-prealloc \ + -realtime mlock=on \ + /path/to/img ``` -Above example shows the 10GE ports be served by node 1. - -Use 'numactl' and pin Snabb to a specific core (ideally excluded from -the kernel scheduler) adn memory node: - -``` -numactl --physcpubind=18 --membind=1 ./snabb ... -``` +The allocated memory must match the memory-backend-file size (example +shows 8GB). While qemu will fail to boot if there isn't enough +hugepages allocated, it is recommended to have some spare and note +that the pages are split amongst the NUMA nodes. Check the paragraph +on NUMA in this document. It is recommended to specify the qemu +option '-realtime mlock=on', despite it being the default. This +ensures memory doesn't get swapped out. -Snabb applications like snabbnfv and snabbvmx share memory also with +Virtual switches like Snabb NFV and Snabb vMX share memory also with one or more QEMU processes running Virtual Machines via VhostUser. These QEMU processes must also be pinned to the same NUMA node with numactl with optional CPU pinning: @@ -339,6 +423,70 @@ investigate its source and fix it. Possible candidates are SHM based filesystems use by Snabb in /var/run/snabb and SNMP SHM location if enabled. +### Docker + +CPU pinning via tasket and numactl work also within Docker Containers +running in privileged mode. It is important to note that the Container +can use all CPU cores, including the ones specifically excluded by the +kernel option isolcpus: + +``` +$ taskset -cp $$ +pid 9822's current affinity list: 0,4-8,12-15 + +$ docker run --name ubuntu -ti ubuntu:14.04.4 +root@c819e0f106c4:/# taskset -cp $$ +pid 1's current affinity list: 0-15 +``` + +## Application-specific performance notes + +### lwAFTR + +#### Avoid fragmentation + +Fragment reassembly in particular is a costly operation. Make sure +that MTUs are set such that fragmentation is rare. + +#### Ingress and egress filtering + +Simply enabling ingress and/or egress filtering has a cost. Enabling +all filters adds 4 apps to the Snabb graph, and there is a cost for +every additional Snabb app. In our tests, while a normal run can do +10 Gbps over two interfaces in full duplex, enabling filters drops +that to 8.2 Gbps before dropping packets. However we have not found +that the performance depends much on the size of the filter, as the +filter's branches are well-biased. + +## Programming notes + +Here are a couple of notes for people writing their first Snabb data +plane. + +### Enable engine.busywait + +Defined in src/core/app.lua and enabled before calling engine.main() +via + +``` +engine.busywait = true +engine.main(...) +``` + +If true then the engine will poll for new data in a tight loop (100% +CPU) instead of sleeping according to the Hz setting. This will reduce +overall packet latency and increase throughput at the cost of +utilizing the CPU hosting Snabb at 100%. + +### Monitor ingress drops + +As we mentioned above, a Snabb data plane that is not running fast +enough will fail to handle all packets incoming from the network. If +the network hardware supports it, Snabb can monitor these drops. +Install an "IngressDropMonitor" timer from +`lib.timers.ingress_drop_monitor`, to issue warnings when your app is +too slow. + ### Watch for TLB shootdowns TLB (Translation Lookaside Buffer) is a cache of the translations from @@ -362,19 +510,3 @@ numactl). One possible source of such TLB shootdowns can be the use of SHM between processes on different nodes or pinning Snabb to a list of CPUs instead a single one (TODO: needs confirmation. Have seen periodic TLB shootdowns before optimization based on this doc); - -## Docker - -CPU pinning via tasket and numactl work also within Docker Containers -running in privileged mode. It is important to note that the Container -can use all CPU cores, including the ones specifically excluded by the -kernel option isolcpus: - -``` -$ taskset -cp $$ -pid 9822's current affinity list: 0,4-8,12-15 - -$ docker run --name ubuntu -ti ubuntu:14.04.4 -root@c819e0f106c4:/# taskset -cp $$ -pid 1's current affinity list: 0-15 -``` From eef390a1507152360192491f73d5cdc005c5f597 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 19 Oct 2016 14:38:00 +0000 Subject: [PATCH 320/340] Tweaks --- src/doc/performance-tuning.md | 21 +++++++++------------ 1 file changed, 9 insertions(+), 12 deletions(-) diff --git a/src/doc/performance-tuning.md b/src/doc/performance-tuning.md index 6644f45a01..27deccdf73 100644 --- a/src/doc/performance-tuning.md +++ b/src/doc/performance-tuning.md @@ -21,7 +21,7 @@ disable energy efficiency settings or profiles, typically named "Max performance", "Energy Efficiency" and "Custom". Select "Max performance" for latency sensitive Snabb use. -### Hyperthreads +### Disable hyperthreads Hyperthreads are a way of maximizing resource utilization on a CPU core, driven by the observation that a CPU is often waiting on memory or some @@ -32,7 +32,7 @@ want. We do not want another thread competing for compute and cache resources on our CPU and increasing our latency. For best results and lowest latency, disable hyperthreading via the BIOS settings. -### Tune Turbo Boost +### Consider disabling Turbo Boost Intel Turbo Boost Technology allows processor cores to run faster than the rated operating frequency if they're operating below power, @@ -55,7 +55,7 @@ for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do done ``` -### Isolate CPUs +### Reserve CPUs for data plane usage When running a Snabb data plane, we don't want interference from the Linux kernel. In normal operation, a Snabb data plane won't even make @@ -85,7 +85,7 @@ For a standard Ubuntu or other system, edit `/etc/default/grub` to add the appro GRUB_CMDLINE_LINUX_DEFAULT="... isolcpus=1-5,7-11 ..." ``` -### Avoid interrupts +### Avoid interrupts on data-plane CPUs Normally Linux will handle hardware interrupts on the first core on a socket. In our case above, that would be cores 0 and 6. That works @@ -445,8 +445,8 @@ pid 1's current affinity list: 0-15 #### Avoid fragmentation -Fragment reassembly in particular is a costly operation. Make sure -that MTUs are set such that fragmentation is rare. +Fragment reassembly is a costly operation. Make sure that network +MTUs are set such that fragmentation is rare. #### Ingress and egress filtering @@ -497,7 +497,7 @@ caches. The actions of one processor causing the TLBs to be flushed on other processors is what is called a TLB shootdown. Occasional packet loss at ingress has been observed while TLB -shootdowns happened on the system. There are per cpu counters of TLB +shootdowns happened on the system. There are per-CPU counters of TLB shootdowns available in the output of 'cat /proc/interrupts': ``` @@ -505,8 +505,5 @@ $ cat /proc/interrupts |grep TLB TLB: 2012 2141 1778 1942 2357 2076 2041 2129 2209 1960 486 0 0 0 0 0 0 145 0 0 TLB shootdowns ``` -They must remain 0 for the CPU serving Snabb (pinned via taskset or -numactl). One possible source of such TLB shootdowns can be the use of -SHM between processes on different nodes or pinning Snabb to a list of -CPUs instead a single one (TODO: needs confirmation. Have seen -periodic TLB shootdowns before optimization based on this doc); +They should remain 0 for the CPU serving Snabb (pinned via taskset or +numactl). From 6c1f585dced9a4d33b10175f9eec94d944c10288 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 16 Jun 2016 16:26:38 +0200 Subject: [PATCH 321/340] Refactor ingress drop monitor to have configurable actions Ingress drop monitor can warn, or warn and flush. Change lwaftr command line argument to take a parameter. --- src/lib/timers/ingress_drop_monitor.lua | 56 ++++++++++++++++--------- src/program/lwaftr/run/run.lua | 22 ++++++---- 2 files changed, 51 insertions(+), 27 deletions(-) diff --git a/src/lib/timers/ingress_drop_monitor.lua b/src/lib/timers/ingress_drop_monitor.lua index 5457114a54..71504afacf 100644 --- a/src/lib/timers/ingress_drop_monitor.lua +++ b/src/lib/timers/ingress_drop_monitor.lua @@ -5,45 +5,61 @@ module(...,package.seeall) local ffi = require("ffi") -- Every 100 milliseconds. -local interval = 1e8 +local default_interval = 1e8 + +local default_tips_url = + "https://github.com/snabbco/snabb/blob/master/src/doc/performance-tuning.md" -local with_restart = core.app.with_restart local now = core.app.now -ingress_drop_monitor = { - threshold = 100000, - wait = 20, - last_flush = 0, - last_value = ffi.new('uint64_t[1]'), - current_value = ffi.new('uint64_t[1]'), -} +local IngressDropMonitor = {} + +function new(args) + local ret = { + threshold = args.threshold or 100000, + wait = args.wait or 20, + action = args.action or 'flush', + tips_url = args.tips_url or default_tips_url, + last_flush = 0, + last_value = ffi.new('uint64_t[1]'), + current_value = ffi.new('uint64_t[1]') + } + return setmetatable(ret, {__index=IngressDropMonitor}) +end -function ingress_drop_monitor:sample () +function IngressDropMonitor:sample () local app_array = engine.app_array local sum = self.current_value sum[0] = 0 for i = 1, #app_array do local app = app_array[i] if app.ingress_packet_drops and not app.dead then - local status, value = with_restart(app, app.ingress_packet_drops) - if status then sum[0] = sum[0] + value end + sum[0] = sum[0] + app:ingress_packet_drops() end end end -function ingress_drop_monitor:jit_flush_if_needed () +function IngressDropMonitor:jit_flush_if_needed () if self.current_value[0] - self.last_value[0] < self.threshold then return end if now() - self.last_flush < self.wait then return end self.last_flush = now() self.last_value[0] = self.current_value[0] - jit.flush() - print("jit.flush") --- TODO: Change last_flush, last_value and current_value fields to be counters. + local msg = now()..": warning: Dropped more than "..self.threshold.." packets" + if self.action == 'flush' then + msg = msg.."; flushing JIT to try to recover" + end + msg = msg..". See "..self.tips_url.." for performance tuning tips." + print(msg) + if self.action == 'flush' then jit.flush() end end -local function fn () - ingress_drop_monitor:sample() - ingress_drop_monitor:jit_flush_if_needed() +function IngressDropMonitor:timer(interval) + return timer.new("ingress drop monitor", + function () + self:sample() + self:jit_flush_if_needed() + end, + interval or default_interval, + "repeating") end - -return timer.new("ingress drop monitor", fn, interval, "repeating") diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index 4ff6d32212..6f44fdda83 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -5,7 +5,7 @@ local config = require("core.config") local csv_stats = require("program.lwaftr.csv_stats") local lib = require("core.lib") local setup = require("program.lwaftr.setup") -local ingress_drop_monitor_timer = require("lib.timers.ingress_drop_monitor") +local ingress_drop_monitor = require("lib.timers.ingress_drop_monitor") local function show_usage(exit_code) print(require("program.lwaftr.run.README_inc")) @@ -38,7 +38,7 @@ function parse_args(args) if #args == 0 then show_usage(1) end local conf_file, v4_pci, v6_pci local ring_buffer_size - local opts = { verbosity = 0 } + local opts = { verbosity = 0, ingress_drop_monitor = 'flush' } local handlers = {} function handlers.v () opts.verbosity = opts.verbosity + 1 end function handlers.i () opts.virtio_net = true end @@ -97,15 +97,22 @@ function parse_args(args) fatal("ring size is not a power of two: " .. arg) end end - handlers["no-ingress-drop-monitor"] = function (arg) - opts.ingress_drop_monitor = false + handlers["ingress-drop-monitor"] = function (arg) + if arg == 'flush' or arg == 'warn' then + opts.ingress_drop_monitor = arg + elseif arg == 'off' then + opts.ingress_drop_monitor = nil + else + fatal("invalid --ingress-drop-monitor argument: " .. arg + .." (valid values: flush, warn, off)") + end end function handlers.h() show_usage(0) end lib.dogetopt(args, handlers, "b:c:n:m:vD:hir:", { conf = "c", ["v4-pci"] = "n", ["v6-pci"] = "m", verbose = "v", duration = "D", help = "h", virtio = "i", ["ring-buffer-size"] = "r", cpu = 1, - ["real-time"] = 0, ["no-ingress-drop-monitor"] = 0, }) + ["real-time"] = 0, ["ingress-drop-monitor"] = 1, }) if ring_buffer_size ~= nil then if opts.virtio_net then fatal("setting --ring-buffer-size does not work with --virtio") @@ -143,8 +150,9 @@ function run(args) csv:activate() end - if opts.ingress_drop_monitor or opts.ingress_drop_monitor == nil then - timer.activate(ingress_drop_monitor_timer) + if opts.ingress_drop_monitor then + local mon = ingress_drop_monitor.new({action=opts.ingress_drop_monitor}) + timer.activate(mon:timer()) end engine.busywait = true From de93573fcc132ad701779f5e2aad52fc5df83de4 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 16 Jun 2016 16:29:03 +0200 Subject: [PATCH 322/340] Enable warning ingress drop monitor on the NFV --- src/program/snabbnfv/traffic/traffic.lua | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/program/snabbnfv/traffic/traffic.lua b/src/program/snabbnfv/traffic/traffic.lua index 64ee5f2d95..13d9163cea 100644 --- a/src/program/snabbnfv/traffic/traffic.lua +++ b/src/program/snabbnfv/traffic/traffic.lua @@ -9,6 +9,7 @@ local ffi = require("ffi") local C = ffi.C local timer = require("core.timer") local pci = require("lib.hardware.pci") +local ingress_drop_monitor = require("lib.timers.ingress_drop_monitor") local counter = require("core.counter") local long_opts = { @@ -90,6 +91,7 @@ function traffic (pciaddr, confpath, sockpath) timer.activate(timer.new("reconf", check_for_reconfigure, 1e9, 'repeating')) -- Flush logs every second. timer.activate(timer.new("flush", io.flush, 1e9, 'repeating')) + timer.activate(ingress_drop_monitor.new({action='warn'}):timer()) while true do needs_reconfigure = false print("Loading " .. confpath) From 3489e4b009399f85333d7a5f92a966a3098e3989 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 19 Oct 2016 15:33:31 +0000 Subject: [PATCH 323/340] Address feedback --- src/doc/performance-tuning.md | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) diff --git a/src/doc/performance-tuning.md b/src/doc/performance-tuning.md index 27deccdf73..dfbf027ca0 100644 --- a/src/doc/performance-tuning.md +++ b/src/doc/performance-tuning.md @@ -6,7 +6,7 @@ system-oriented tips and move towards application configuration. ## BIOS settings -### Prioritize performance over efficiency +### Prioritize performance over energy efficiency Go into your BIOS and verify that you or your hardware vendor have not enabled aggressive power-saving modes that could downclock your @@ -123,10 +123,11 @@ $ cat /proc/interrupts ### Disable IOMMU The oldest CPU supported by Snabb is the Sandy Bridge series, and this -series happens to have a bug in their IOMMU support that cripples -snabb performance. As a result, we never test Snabb data planes with -the IOMMU on, so in production it should also be disabled via a kernel -boot parameter: +series happens to have a bug in their IOMMU support that can manifest +itself either as total packet loss or severe performance penalties. +As a result of this bug, we never test Snabb data planes with the +IOMMU on even on later CPU models, so in production you should also +disable the IOMMU via a kernel boot parameter: ``` # Ubuntu @@ -330,9 +331,14 @@ So, a bigger ring buffer insulates packet processing from breath jitter. You want your ring buffer to be big enough to not drop packets due to jitter during normal operation, but not bigger than that. In our testing we usually use the default ring buffer size. In -your operations you might want to increase this up to 2048 entries. -We have not found that bigger ring buffer sizes are beneficial, but it -depends very much on the environment. +your operations you might want to increase this up to 1024 or 2048 +entries. We have not found that bigger ring buffer sizes are +beneficial, but it depends very much on the environment. + +Remember that buffers are fundamentally mechanisms for smoothing over +variations in latency. The real problem is the latency variation -- +focus your effort on getting that right and you won't have to fiddle +much with ring buffer sizes. ## Virtualization From 6bb456f0966bdbcace12281f6f28fdc7c635ac67 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Wed, 19 Oct 2016 15:50:32 +0000 Subject: [PATCH 324/340] Address feedback bis --- src/doc/performance-tuning.md | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/src/doc/performance-tuning.md b/src/doc/performance-tuning.md index dfbf027ca0..a514316802 100644 --- a/src/doc/performance-tuning.md +++ b/src/doc/performance-tuning.md @@ -27,10 +27,13 @@ Hyperthreads are a way of maximizing resource utilization on a CPU core, driven by the observation that a CPU is often waiting on memory or some external event, and might as well be doing something else while it's waiting. In such a situation, it can be advantageous to run a second -thread on that CPU. However for Snabb that's exactly what we don't -want. We do not want another thread competing for compute and cache -resources on our CPU and increasing our latency. For best results and -lowest latency, disable hyperthreading via the BIOS settings. +thread on that CPU. + +However for Snabb that's exactly what we don't want. We do not want +another thread competing for compute and cache resources on our CPU +and increasing our latency. For best results, lowest latency, and to +avoid a source of packet loss, disable hyperthreading via the BIOS +settings. ### Consider disabling Turbo Boost From 21759e220ab203782a8c2c99f57649fa04b8e023 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 20 Oct 2016 12:56:47 +0000 Subject: [PATCH 325/340] Add README.numa.md --- src/lib/README.numa.md | 57 ++++++++++++++++++++++++++++++++++++++++++ src/lib/numa.lua | 10 +++++++- 2 files changed, 66 insertions(+), 1 deletion(-) create mode 100644 src/lib/README.numa.md diff --git a/src/lib/README.numa.md b/src/lib/README.numa.md new file mode 100644 index 0000000000..aabc2e7874 --- /dev/null +++ b/src/lib/README.numa.md @@ -0,0 +1,57 @@ +### CPU, memory, and PCI device affinity (lib.numa) + +The NUMA module provides an easy way to manage CPU, NUMA, and PCI +device affinity in a high-level user-friendly way. All Snabb data +planes should expose a `--cpu *n*` command-line argument that if given +by the user will arrange to call `bind_to_cpu(*n*)`. + +Finally, before configuring the engine, all Snabb data planes should +call `check_affinity_for_pci_addresses` to verify that the PCI devices +that you are using are local to the current NUMA node, also warning if +for some reason the current process is not bound to a NUMA node. See +[../doc/performance-tuning.md] for more notes on getting good +performance out of your Snabb program. + +— Function **bind_to_cpu** *cpu* +Bind the current process to *cpu*, arranging for it to only ever be +run on that CPU. Additionally, call **bind_to_numa_node** on the NUMA +node corresponding to *cpu*. + +— Function **bind_to_numa_node** *node* +Bind the current process to NUMA node *node*, arranging for it to only +ever allocate memory local to that NUMA node. Additionally, migrate +existing mapped pages in the current process to that node. + +— Function **prevent_preemption** *priority* +Mark the current process as being "real-time" with the given +*priority* (default 1). The kernel will only ever interrupt a +real-time process if a higher-priorty real-time process is runnable. + +— Function **unbind_cpu** +Undo any effects of **bind_to_cpu** or a user **taskset** wrapper, +allowing the current process to be scheduled on any CPU. + +— Function **unbind_numa_node** +Undo any effects of **bind_to_numa_node** or a user **numactl** +wrapper, allowing the current process to allocate memory on any NUMA +node. + +— Function **has_numa** +Return true if this computer has more than one NUMA node, or false +otherwise. + +— Function **cpu_get_numa_node** *cpu* +Return the NUMA node to which CPU number *addr* is local, or nil if +this CPU is unknown. + +— Function **pci_get_numa_node** *addr* +Return the NUMA node to which PCI address *addr* is local, or return +`nil` if this information is unavailable. + +— Function **check_affinity_for_pci_addresses** *addrs* *require_affinity* +Given that the user wants to use PCI devices in *addrs*, which should +be an array of strings, check that the PCI devices are local to NUMA +node bound by **bind_to_numa_node**, if present, and in any case that +all *addrs* are on the same NUMA node. If *require_affinity* is true +(not the default), then error if a problem is detected, otherwise just +print a warning to the console. diff --git a/src/lib/numa.lua b/src/lib/numa.lua index d19217b47e..3eeac22c8d 100644 --- a/src/lib/numa.lua +++ b/src/lib/numa.lua @@ -1,4 +1,12 @@ -module(..., package.seeall) +-- Use of this source code is governed by the Apache 2.0 license; see COPYING. + +module(...,package.seeall) + +-- Call bind_to_cpu(1) to bind the current Snabb process to CPU 1 (for +-- example), to bind its memory to the corresponding NUMA node, to +-- migrate mapped pages to that NUMA node, and to arrange to warn if +-- you use a PCI device from a remote NUMA node. See README.numa.md +-- for full API documentation. local S = require("syscall") local pci = require("lib.hardware.pci") From e115542c1214f77a0daa3f2fa844c78bd9912de1 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 20 Oct 2016 13:08:25 +0000 Subject: [PATCH 326/340] Update README.md for packet.shiftleft et al Probably we should document something about packet.prepend mostly being O(1) and the sliding "struct packet" mechanism also. --- src/README.md | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/src/README.md b/src/README.md index 283f64a27f..ea61b8466d 100644 --- a/src/README.md +++ b/src/README.md @@ -355,8 +355,8 @@ packets are allocated and freed. ``` struct packet { - uint8_t data[packet.max_payload]; uint16_t length; + uint8_t data[packet.max_payload]; }; ``` @@ -393,18 +393,21 @@ error is raised if there is not enough space in *packet* to accomodate — Function **packet.prepend** *packet*, *pointer*, *length* Prepends *length* bytes starting at *pointer* to the front of -*packet*. An error is raised if there is not enough space in *packet* to +*packet*, taking ownership of the packet and returning a new packet. +An error is raised if there is not enough space in *packet* to accomodate *length* additional bytes. — Function **packet.shiftleft** *packet*, *length* -Truncates *packet* by *length* bytes from the front. *Length* must be less than -or equal to `length` of *packet*. +Take ownership of *packet*, truncate it by *length* bytes from the +front, and return a new packet. *Length* must be less than or equal to +`length` of *packet*. — Function **packet.shiftright** *packet*, *length* -Moves *packet* payload to the right by *length* bytes, growing *packet* by -*length*. The sum of *length* and `length` of *packet* must be less than or +Take ownership of *packet*, moves *packet* payload to the right by +*length* bytes, growing *packet* by *length*. Returns a new packet. +The sum of *length* and `length` of *packet* must be less than or equal to `packet.max_payload`. — Function **packet.from_pointer** *pointer*, *length* From 4b9becfb239ae888e4d42ceb42ddc65de86abd90 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Thu, 20 Oct 2016 13:11:32 +0000 Subject: [PATCH 327/340] Fix typos in performance-tuning.md Thanks to Diego Pino for the feedback. --- src/doc/performance-tuning.md | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/src/doc/performance-tuning.md b/src/doc/performance-tuning.md index a514316802..7a7e34595a 100644 --- a/src/doc/performance-tuning.md +++ b/src/doc/performance-tuning.md @@ -180,9 +180,9 @@ boot.kernelParams = [ "default_hugepagesz=2048K" "hugepagesz=2048K" For Ubuntu, edit the Grub configuration as described above. -To use one-gigabyte huge pages, replace `2048K` above with `1G1 and +To use one-gigabyte huge pages, replace `2048K` above with `1G` and reduce the `hugepages` count down to something more reasonable, -perhaps 64. ``` +perhaps 64. Actual use of hugepages can be monitored with @@ -288,7 +288,7 @@ NIC to receive incoming packets into a /ring buffer/. This ring buffer is allocated by Snabb (incidentally, to a huge page; see above) and will be filled by the NIC. It has to be a power of 2 in size: so it can hold space for 64 packets, 128 packets, 256 packets, and so on. The default -size is 512 packets and the maximum is 65536. The NIC will fill this +size is 1024 packets and the maximum is 65536. The NIC will fill this buffer with packets as it receives them: first to slot 0, then to slot 1, all the way up to slot 511 (for a ring buffer of the default size), then back to slot 0, then slot 1, and so on. Snabb will periodically @@ -334,9 +334,9 @@ So, a bigger ring buffer insulates packet processing from breath jitter. You want your ring buffer to be big enough to not drop packets due to jitter during normal operation, but not bigger than that. In our testing we usually use the default ring buffer size. In -your operations you might want to increase this up to 1024 or 2048 -entries. We have not found that bigger ring buffer sizes are -beneficial, but it depends very much on the environment. +your operations you might want to increase this up to 2048 entries. +We have not found that bigger ring buffer sizes are beneficial, but it +depends very much on the environment. Remember that buffers are fundamentally mechanisms for smoothing over variations in latency. The real problem is the latency variation -- From 876addc17287ed7c8fc133e3e24452aa3373f429 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Fri, 21 Oct 2016 09:51:42 +0200 Subject: [PATCH 328/340] Fix shm.exists() check in ingress drop monitor If we are recording ingress drops to a counter, use the right check for the counter's existence. Addresses https://github.com/snabbco/snabb/pull/1047#pullrequestreview-5090751. --- src/lib/timers/ingress_drop_monitor.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/lib/timers/ingress_drop_monitor.lua b/src/lib/timers/ingress_drop_monitor.lua index 0d3dd96821..a79803ebfd 100644 --- a/src/lib/timers/ingress_drop_monitor.lua +++ b/src/lib/timers/ingress_drop_monitor.lua @@ -31,7 +31,7 @@ function new(args) if not args.counter:match(".counter$") then args.counter = args.counter..".counter" end - if not shm.exists("/"..S.getpid().."/"..args.counter) then + if not shm.exists(args.counter) then ret.counter = counter.create(args.counter, 0) else ret.counter = counter.open(args.counter) From 3a36e95697940b2f97376763e50eb29dc144144b Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 25 Oct 2016 13:23:21 +0200 Subject: [PATCH 329/340] Reset IPv4 checksum before recalculating it --- src/lib/protocol/ipv4.lua | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/lib/protocol/ipv4.lua b/src/lib/protocol/ipv4.lua index ff314212c4..edbcd724d6 100644 --- a/src/lib/protocol/ipv4.lua +++ b/src/lib/protocol/ipv4.lua @@ -148,6 +148,7 @@ function ipv4:protocol (protocol) end function ipv4:checksum () + self:header().checksum = 0 self:header().checksum = htons(ipsum(ffi.cast("uint8_t *", self:header()), self:sizeof(), 0)) return ntohs(self:header().checksum) @@ -206,7 +207,7 @@ local function test_ipv4_checksum () local p = packet.from_string(lib.hexundump([[ 52:54:00:02:02:02 52:54:00:01:01:01 08 00 45 00 - 00 34 59 1a 40 00 40 06 00 00 c0 a8 14 a9 6b 15 + 00 34 59 1a 40 00 40 06 b0 8e c0 a8 14 a9 6b 15 f0 b4 de 0b 01 bb e7 db 57 bc 91 cd 18 32 80 10 05 9f 00 00 00 00 01 01 08 0a 06 0c 5c bd fa 4a e1 65 From 1bdd98d92a469e86b2eabd19766300489332d3c6 Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Tue, 25 Oct 2016 16:28:32 +0200 Subject: [PATCH 330/340] README.md: link to documentation. --- README.md | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index a562a24cce..607f34c43d 100644 --- a/README.md +++ b/README.md @@ -22,6 +22,11 @@ join the [snabb-devel mailing list](https://groups.google.com/forum/#!forum/snabb-devel) and read on. +## Documentation + +- [API Reference](http://snabbco.github.io/) +- [Contributor Hints](https://github.com/snabbco/snabb/blob/master/CONTRIBUTING.md#hints-for-contributors) + ## How does it work? Snabb is written using these main techniques: @@ -119,4 +124,3 @@ Here are the ways you can get involved: - Join the [snabb-devel mailing list](https://groups.google.com/forum/#!forum/snabb-devel). - Send a mail to [introduce yourself](https://groups.google.com/forum/#!searchin/snabb-devel/introduce/snabb-devel/d8t6hGClnQY/flztyLiIGzoJ) to the community (don't be shy!). - Create your very own application: [Getting Started](src/doc/getting-started.md). - From 16fba64a08bb0992959d4006fa46dad30106cefb Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Wed, 26 Oct 2016 23:40:10 +0200 Subject: [PATCH 331/340] snabbnfv: do not include gbps unit in QoS config options. --- src/program/snabbnfv/README.md | 4 ++-- src/program/snabbnfv/fuzz/fuzz.lua | 12 ++++++------ src/program/snabbnfv/neutron2snabb/neutron2snabb.lua | 4 ++-- src/program/snabbnfv/nfvconfig.lua | 8 ++++---- src/program/snabbnfv/snabb-nfvconfig.yang | 4 ++-- .../fuzz/filter2-tunnel-txrate10-ports.spec | 2 +- .../snabbnfv/test_fixtures/nfvconfig/reference/port0 | 4 ++-- .../nfvconfig/test_functions/rx_rate_limit.ports | 4 ++-- .../nfvconfig/test_functions/tx_rate_limit.ports | 4 ++-- src/program/snabbnfv/traffic/README | 4 ++-- 10 files changed, 25 insertions(+), 25 deletions(-) diff --git a/src/program/snabbnfv/README.md b/src/program/snabbnfv/README.md index 2b7d125ae0..96623e71f4 100644 --- a/src/program/snabbnfv/README.md +++ b/src/program/snabbnfv/README.md @@ -51,8 +51,8 @@ port := { port_id = , -- A unique string egress_filter = , -- .. tunnel = , crypto = , - rx_police_gbps = , -- Allowed input rate in Gbps - tx_police_gbps = } -- Allowed output rate in Gbps + rx_police = , -- Allowed input rate in Gbps + tx_police = } -- Allowed output rate in Gbps ``` The `tunnel` section deviates a little from `SimpleKeyedTunnel`'s diff --git a/src/program/snabbnfv/fuzz/fuzz.lua b/src/program/snabbnfv/fuzz/fuzz.lua index 3e49928deb..7f40a9b057 100644 --- a/src/program/snabbnfv/fuzz/fuzz.lua +++ b/src/program/snabbnfv/fuzz/fuzz.lua @@ -60,13 +60,13 @@ function fuzz_connective_ports (spec) if spec.tunnel then ports[1].tunnel, ports[2].tunnel = fuzz_tunnel() end - if spec.rx_police_gbps then - ports[1].rx_police_gbps = random_gbps(spec.rx_police_gbps) - ports[2].rx_police_gbps = random_gbps(spec.rx_police_gbps) + if spec.rx_police then + ports[1].rx_police = random_gbps(spec.rx_police) + ports[2].rx_police = random_gbps(spec.rx_police) end - if spec.tx_police_gbps then - ports[1].tx_police_gbps = random_gbps(spec.tx_police_gbps) - ports[2].tx_police_gbps = random_gbps(spec.tx_police_gbps) + if spec.tx_police then + ports[1].tx_police = random_gbps(spec.tx_police) + ports[2].tx_police = random_gbps(spec.tx_police) end return ports end diff --git a/src/program/snabbnfv/neutron2snabb/neutron2snabb.lua b/src/program/snabbnfv/neutron2snabb/neutron2snabb.lua index 45a8d81ab1..061a0b1808 100644 --- a/src/program/snabbnfv/neutron2snabb/neutron2snabb.lua +++ b/src/program/snabbnfv/neutron2snabb/neutron2snabb.lua @@ -107,8 +107,8 @@ function create_config (input_dir, output_dir, hostname) ingress_filter = filter(port, secbindings, secrules, 'ingress'), egress_filter = filter(port, secbindings, secrules, 'egress'), stateful_filter = (profile.packetfilter ~= 'stateless'), - rx_police_gbps = profile.rx_police_gbps, - tx_police_gbps = profile.tx_police_gbps, + rx_police = profile.rx_police_gbps, + tx_police = profile.tx_police_gbps, tunnel = tunnel(port, vif_details, profile) }) end end diff --git a/src/program/snabbnfv/nfvconfig.lua b/src/program/snabbnfv/nfvconfig.lua index cca18be263..ba52b8b8b9 100644 --- a/src/program/snabbnfv/nfvconfig.lua +++ b/src/program/snabbnfv/nfvconfig.lua @@ -38,9 +38,9 @@ function load (file, pciaddr, sockpath, soft_bench) disable_mrg_rxbuf=t.disable_mrg_rxbuf, disable_indirect_desc=t.disable_indirect_desc}) local VM_rx, VM_tx = Virtio..".rx", Virtio..".tx" - if t.tx_police_gbps then + if t.tx_police then local TxLimit = name.."_TxLimit" - local rate = t.tx_police_gbps * 1e9 / 8 + local rate = t.tx_police * 1e9 / 8 config.app(c, TxLimit, RateLimiter, {rate = rate, bucket_capacity = rate}) config.link(c, VM_tx.." -> "..TxLimit..".input") VM_tx = TxLimit..".output" @@ -95,9 +95,9 @@ function load (file, pciaddr, sockpath, soft_bench) config.link(c, Crypto..".decapsulated -> "..VM_rx) VM_rx, VM_tx = Crypto..".encapsulated", Crypto..".encapsulated" end - if t.rx_police_gbps then + if t.rx_police then local RxLimit = name.."_RxLimit" - local rate = t.rx_police_gbps * 1e9 / 8 + local rate = t.rx_police * 1e9 / 8 config.app(c, RxLimit, RateLimiter, {rate = rate, bucket_capacity = rate}) config.link(c, RxLimit..".output -> "..VM_rx) VM_rx = RxLimit..".input" diff --git a/src/program/snabbnfv/snabb-nfvconfig.yang b/src/program/snabbnfv/snabb-nfvconfig.yang index ae542a9b29..8dcd5aff84 100644 --- a/src/program/snabbnfv/snabb-nfvconfig.yang +++ b/src/program/snabbnfv/snabb-nfvconfig.yang @@ -127,12 +127,12 @@ module snabb-nfvconfig { } } - leaf rx_police_gbps { + leaf rx_police { type gbps; description "Allowed input rate in Gigabits per second."; } - leaf tx_police_gbps { + leaf tx_police { type gbps; description "Allowed output rate in Gigabits per second."; } diff --git a/src/program/snabbnfv/test_fixtures/nfvconfig/fuzz/filter2-tunnel-txrate10-ports.spec b/src/program/snabbnfv/test_fixtures/nfvconfig/fuzz/filter2-tunnel-txrate10-ports.spec index be8edd40d9..ae91b59acb 100644 --- a/src/program/snabbnfv/test_fixtures/nfvconfig/fuzz/filter2-tunnel-txrate10-ports.spec +++ b/src/program/snabbnfv/test_fixtures/nfvconfig/fuzz/filter2-tunnel-txrate10-ports.spec @@ -1,4 +1,4 @@ return { ingress_filter = 2, egress_filter = 2, tunnel = true, - tx_police_gbps = 10 } + tx_police = 10 } diff --git a/src/program/snabbnfv/test_fixtures/nfvconfig/reference/port0 b/src/program/snabbnfv/test_fixtures/nfvconfig/reference/port0 index 58c7b80892..b16c11221a 100644 --- a/src/program/snabbnfv/test_fixtures/nfvconfig/reference/port0 +++ b/src/program/snabbnfv/test_fixtures/nfvconfig/reference/port0 @@ -1,6 +1,6 @@ return { { - rx_police_gbps = 3, + rx_police = 3, stateful_filter = true, vlan = 243, ingress_filter = "((arp or ip) or ip6)", @@ -16,6 +16,6 @@ return { remote_ip = "1:2:3:4:5:6:7:8", }, port_id = "523276c7-73e3-4154-8b67-9c7199bdbb8c", - tx_police_gbps = 1, + tx_police = 1, }, } diff --git a/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/rx_rate_limit.ports b/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/rx_rate_limit.ports index 7a5ecf6ee2..de86345c44 100644 --- a/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/rx_rate_limit.ports +++ b/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/rx_rate_limit.ports @@ -3,14 +3,14 @@ return { mac_address = "52:54:00:00:00:00", port_id = "A", ingress_filter = nil, - rx_police_gbps = 1, + rx_police = 1, tunnel = nil }, { vlan = 43, mac_address = "52:54:00:00:00:01", port_id = "B", ingress_filter = nil, - rx_police_gbps = 1, + rx_police = 1, tunnel = nil }, } diff --git a/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/tx_rate_limit.ports b/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/tx_rate_limit.ports index 09384434c3..3a640c4963 100644 --- a/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/tx_rate_limit.ports +++ b/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/tx_rate_limit.ports @@ -3,14 +3,14 @@ return { mac_address = "52:54:00:00:00:00", port_id = "A", ingress_filter = nil, - tx_police_gbps = 0.5, + tx_police = 0.5, tunnel = nil }, { vlan = 43, mac_address = "52:54:00:00:00:01", port_id = "B", ingress_filter = nil, - tx_police_gbps = 0.5, + tx_police = 0.5, tunnel = nil }, } diff --git a/src/program/snabbnfv/traffic/README b/src/program/snabbnfv/traffic/README index c961bf2aac..6818775eda 100644 --- a/src/program/snabbnfv/traffic/README +++ b/src/program/snabbnfv/traffic/README @@ -43,8 +43,8 @@ CONFIG FILE FORMAT: egress_filter = , -- .. tunnel = , crypto = , - rx_police_gbps = , -- Allowed input rate in Gbps - tx_police_gbps = } -- Allowed output rate in Gbps + rx_police = , -- Allowed input rate in Gbps + tx_police = } -- Allowed output rate in Gbps The tunnel section deviates a little from SimpleKeyedTunnel's terminology: From 9c4a4d1f39b89bf5b0a7f880c940060973f24e74 Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Thu, 27 Oct 2016 00:14:37 +0200 Subject: [PATCH 332/340] Rename snabb-nfvconfig.yang to snabb-nfvconfig-v1.yang (version model). --- .../{snabb-nfvconfig.yang => snabb-nfvconfig-v1.yang} | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) rename src/program/snabbnfv/{snabb-nfvconfig.yang => snabb-nfvconfig-v1.yang} (96%) diff --git a/src/program/snabbnfv/snabb-nfvconfig.yang b/src/program/snabbnfv/snabb-nfvconfig-v1.yang similarity index 96% rename from src/program/snabbnfv/snabb-nfvconfig.yang rename to src/program/snabbnfv/snabb-nfvconfig-v1.yang index 8dcd5aff84..543ec85b77 100644 --- a/src/program/snabbnfv/snabb-nfvconfig.yang +++ b/src/program/snabbnfv/snabb-nfvconfig-v1.yang @@ -1,6 +1,6 @@ -module snabb-nfvconfig { - namespace "http://snabb.co/nfvconfig"; - prefix snabb-nfvconfig; +module snabb-nfvconfig-v1 { + namespace "http://snabb.co/nfvconfig-v1"; + prefix snabb-nfvconfig-v1; import ietf-yang-types { prefix yang; } import ietf-inet-types { prefix inet; } From 62d5a6f830da4be9a28e05a43ccdb137a7ca1d59 Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Thu, 27 Oct 2016 14:59:56 +0200 Subject: [PATCH 333/340] =?UTF-8?q?apps.ipsec.esp:=20do=20not=20keymat=20f?= =?UTF-8?q?or=20both=20streams,=20accepts=20two=20key/salt=20pairs=20inste?= =?UTF-8?q?ad.=20lib.ipsec:=20get=20rid=20of=20confusing=20=E2=80=9Ckeymat?= =?UTF-8?q?=E2=80=9D=20term.?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/apps/ipsec/README.md | 57 +++++++++++++++---- src/apps/ipsec/esp.lua | 23 ++++++-- src/lib/ipsec/README.md | 41 ++++++++----- src/lib/ipsec/aes_128_gcm.lua | 16 +++--- src/lib/ipsec/esp.lua | 4 +- src/program/snabbmark/snabbmark.lua | 2 +- src/program/snabbnfv/README.md | 11 ++-- src/program/snabbnfv/nfvconfig.lua | 7 ++- .../test_functions/crypto-tunnel.ports | 10 +++- .../nfvconfig/test_functions/crypto.ports | 10 +++- src/program/snabbnfv/traffic/README | 11 ++-- 11 files changed, 138 insertions(+), 54 deletions(-) diff --git a/src/apps/ipsec/README.md b/src/apps/ipsec/README.md index c75eaf0708..ab547e6a38 100644 --- a/src/apps/ipsec/README.md +++ b/src/apps/ipsec/README.md @@ -2,17 +2,13 @@ ## AES128gcm (apps.ipsec.esp) -The `AES128gcm` implements an ESP transport tunnel using the AES-GCM-128 +The `AES128gcm` implements ESP in transport mode using the AES-GCM-128 cipher. It encrypts packets received on its `decapsulated` port and transmits them on its `encapsulated` port, and vice-versa. Packets arriving on the `decapsulated` port must have an IPv6 header, and packets arriving on the `encapsulated` port must have an IPv6 header followed by an ESP header, otherwise they will be discarded. -References: - - - `lib.ipsec.esp` - DIAGRAM: AES128gcm +-----------+ encapsulated | | @@ -26,6 +22,10 @@ References: <-------|---/ /-------> \-----/ decapsulated +References: + + - `lib.ipsec.esp` + ### Configuration The `AES128gcm` app accepts a table as its configuration argument. The @@ -33,12 +33,49 @@ following keys are defined: — Key **spi** -*Required*. Security Parameter Index. A 32 bit integer. +*Required*. A 32 bit integer denoting the “Security Parameters Index” as +specified in RFC 4303. + +— Key **transmit_key** + +*Required*. Hexadecimal string of 32 digits (two digits for each byte) that +denotes a 128-bit AES key as specified in RFC 4106 used for the encryption of +outgoing packets. + +— Key **transmit_salt** + +*Required*. Hexadecimal string of eight digits (two digits for each byte) that +denotes four bytes of salt as specified in RFC 4106 used for the encryption of +outgoing packets.. + +— Key **receive_key** + +*Required*. Hexadecimal string of 32 digits (two digits for each byte) that +denotes a 128-bit AES key as specified in RFC 4106 used for the decryption of +incoming packets. + +— Key **receive_salt** + +*Required*. Hexadecimal string of eight digits (two digits for each byte) that +denotes four bytes of salt as specified in RFC 4106 used for the decryption of +incoming packets. + +— Key **receive_window** + +*Optional*. Minimum width of the window in which out of order packets are +accepted as specified in RFC 4303. The default is 128. + +— Key **resync_threshold** + +Optional*. Number of consecutive packets allowed to fail decapsulation before +attempting “Re-synchronization” as specified in RFC 4303. The default is 1024. -— Key **key** +— Key **resync_attempts** -*Required*. 20 bytes in form of a hex encoded string. +*Optional*. Number of attempts to re-synchronize a packet that triggered +“Re-synchronization” as specified in RFC 4303. The default is 8. -— Key **replay_window** +— Key **auditing** -*Optional*. Size of the “Anti-Replay Window”. Defaults to 128. +*Optional.* A boolean value indicating whether to enable or disable “Auditing” +as specified in RFC 4303. The default is `nil` (no auditing). diff --git a/src/apps/ipsec/esp.lua b/src/apps/ipsec/esp.lua index 15dee45fbc..62cb55528a 100644 --- a/src/apps/ipsec/esp.lua +++ b/src/apps/ipsec/esp.lua @@ -10,7 +10,15 @@ local C = require("ffi").C AES128gcm = { config = { - spi = {required=true}, key = {required=true}, window_size = {} + spi = {required=true}, + transmit_key = {required=true}, + transmit_salt = {required=true}, + receive_key = {required=true}, + receive_salt = {required=true}, + receive_window = {}, + resync_threshold = {}, + resync_attempts = {}, + auditing = {} }, shm = { txerrors = {counter}, rxerrors = {counter} @@ -22,14 +30,17 @@ function AES128gcm:new (conf) self.encrypt = esp.esp_v6_encrypt:new{ mode = "aes-128-gcm", spi = conf.spi, - keymat = conf.key:sub(1, 32), - salt = conf.key:sub(33, 40)} + key = conf.transmit_key, + salt = conf.transmit_salt} self.decrypt = esp.esp_v6_decrypt:new{ mode = "aes-128-gcm", spi = conf.spi, - keymat = conf.key:sub(1, 32), - salt = conf.key:sub(33, 40), - window_size = conf.replay_window} + key = conf.receive_key, + salt = conf.receive_salt, + window_size = conf.receive_window, + resync_threshold = conf.resync_threshold, + resync_attempts = conf.resync_attempts, + auditing = conf.auditing} return setmetatable(self, {__index = AES128gcm}) end diff --git a/src/lib/ipsec/README.md b/src/lib/ipsec/README.md index 6c6f58f7cb..ebe7354b69 100644 --- a/src/lib/ipsec/README.md +++ b/src/lib/ipsec/README.md @@ -13,12 +13,25 @@ UDP, L2TPv3) and also encrypts the contents of the inner protocol header. The decrypt class does the reverse: it decrypts the inner protocol header and removes the ESP protocol header. -Anti-replay protection as well as recovery from synchronization loss due to -excessive packet loss are *not* implemented. + DIAGRAM: ESP-Transport + BEFORE ENCAPSULATION + +-----------+-------------+------------+ + |orig Ether‑| orig IP Hdr | | + |net Hdr |(any options)| Payload | + +-----------+-------------+------------+ + + AFTER ENCAPSULATION + +-----------+-------------+-----+------------+---------+----+ + |orig Ether‑| orig IP Hd | ESP | | ESP | ESP| + |net Hdr |(any options)| Hdr | Payload | Trailer | ICV| + +-----------+-------------+-----+------------+---------+----+ + <-----encryption-----> + <---------integrity--------> References: - [IPsec Wikipedia page](https://en.wikipedia.org/wiki/IPsec). +- [RFC 4303](https://tools.ietf.org/html/rfc4303) on IPsec ESP. - [RFC 4106](https://tools.ietf.org/html/rfc4106) on using AES-GCM with IPsec ESP. - [LISP Data-Plane Confidentiality](https://tools.ietf.org/html/draft-ietf-lisp-crypto-02) example of a software layer above these apps that includes key exchange. @@ -31,19 +44,21 @@ be a table with the following keys: * `mode` - Encryption mode (string). The only accepted value is the string `"aes-128-gcm"`. -* `keymat` - Hex string containing 16 bytes of key material as specified - in RFC 4106. -* `salt` - Hex string containing four bytes of salt as specified in - RFC 4106. -* `spi` - “Security Parameter Index” as specified in RFC 4303. -* `window_size` - *Optional*. Width of the window in which out of order packets - are accepted. The default is 128. (`esp_v6_decrypt` only.) +* `spi` - A 32 bit integer denoting the “Security Parameters Index” as + specified in RFC 4303. +* `key` - Hexadecimal string of 32 digits (two digits for each byte) that + denotes a 128-bit AES key as specified in RFC 4106. +* `salt` - Hexadecimal string of eight digits (two digits for each byte) that + denotes four bytes of salt as specified in RFC 4106. +* `window_size` - *Optional*. Minimum width of the window in which out of order + packets are accepted as specified in RFC 4303. The default is 128. + (`esp_v6_decrypt` only.) * `resync_threshold` - *Optional*. Number of consecutive packets allowed to - fail decapsulation before attempting re-synchronization. The default is - 10000. (`esp_v6_decrypt` only.) + fail decapsulation before attempting “Re-synchronization” as specified in + RFC 4303. The default is 1024. (`esp_v6_decrypt` only.) * `resync_attempts` - *Optional*. Number of attempts to re-synchronize - a packet that triggered re-synchronization. The default is 10. - (`esp_v6_decrypt` only.) + a packet that triggered “Re-synchronization” as specified in RFC 4303. The + default is 8. (`esp_v6_decrypt` only.) * `auditing` - *Optional.* A boolean value indicating whether to enable or disable “Auditing” as specified in RFC 4303. The default is `nil` (no auditing). (`esp_v6_decrypt` only.) diff --git a/src/lib/ipsec/aes_128_gcm.lua b/src/lib/ipsec/aes_128_gcm.lua index d9260eae63..95dc957a37 100644 --- a/src/lib/ipsec/aes_128_gcm.lua +++ b/src/lib/ipsec/aes_128_gcm.lua @@ -68,21 +68,21 @@ end local function u8_ptr (ptr) return ffi.cast("uint8_t *", ptr) end -- Encrypt a single 128-bit block with the basic AES block cipher. -local function aes_128_block (block, keymat) +local function aes_128_block (block, key) local gcm_data = ffi.new("gcm_data __attribute__((aligned(16)))") - ASM.aes_keyexp_128_enc_avx(keymat, gcm_data) + ASM.aes_keyexp_128_enc_avx(key, gcm_data) ASM.aesni_encrypt_single_block(gcm_data, block) end local aes_128_gcm = {} -function aes_128_gcm:new (spi, keymat, salt) +function aes_128_gcm:new (spi, key, salt) assert(spi, "Need SPI.") - assert(keymat and #keymat == 32, "Need 16 bytes of key material.") + assert(key and #key == 32, "Need 16 bytes of key material.") assert(salt and #salt == 8, "Need 4 bytes of salt.") local o = {} - o.keymat = ffi.new("uint8_t[16]") - ffi.copy(o.keymat, lib.hexundump(keymat, 16), 16) + o.key = ffi.new("uint8_t[16]") + ffi.copy(o.key, lib.hexundump(key, 16), 16) o.IV_SIZE = 8 o.iv = iv:new(lib.hexundump(salt, 4)) o.AUTH_SIZE = 16 @@ -91,9 +91,9 @@ function aes_128_gcm:new (spi, keymat, salt) o.aad = aad:new(spi) -- Compute subkey (H) o.hash_subkey = ffi.new("uint8_t[?] __attribute__((aligned(16)))", 16) - aes_128_block(o.hash_subkey, o.keymat) + aes_128_block(o.hash_subkey, o.key) o.gcm_data = ffi.new("gcm_data __attribute__((aligned(16)))") - ASM.aes_keyexp_128_enc_avx(o.keymat, o.gcm_data) + ASM.aes_keyexp_128_enc_avx(o.key, o.gcm_data) ASM.aesni_gcm_precomp_avx_gen4(o.gcm_data, o.hash_subkey) return setmetatable(o, {__index=aes_128_gcm}) end diff --git a/src/lib/ipsec/esp.lua b/src/lib/ipsec/esp.lua index 49ca5db51d..a88199673d 100644 --- a/src/lib/ipsec/esp.lua +++ b/src/lib/ipsec/esp.lua @@ -42,7 +42,7 @@ local ESP_TAIL_SIZE = esp_tail:sizeof() function esp_v6_new (conf) assert(conf.mode == "aes-128-gcm", "Only supports aes-128-gcm.") assert(conf.spi, "Need SPI.") - local gcm = aes_128_gcm:new(conf.spi, conf.keymat, conf.salt) + local gcm = aes_128_gcm:new(conf.spi, conf.key, conf.salt) local o = {} o.ESP_OVERHEAD = ESP_SIZE + ESP_TAIL_SIZE + gcm.IV_SIZE + gcm.AUTH_SIZE o.aes_128_gcm = gcm @@ -214,7 +214,7 @@ function selftest () local ipv6 = require("lib.protocol.ipv6") local conf = { spi = 0x0, mode = "aes-128-gcm", - keymat = "00112233445566778899AABBCCDDEEFF", + key = "00112233445566778899AABBCCDDEEFF", salt = "00112233", resync_threshold = 16, resync_attempts = 8} diff --git a/src/program/snabbmark/snabbmark.lua b/src/program/snabbmark/snabbmark.lua index aff47256e1..2b62aca038 100644 --- a/src/program/snabbmark/snabbmark.lua +++ b/src/program/snabbmark/snabbmark.lua @@ -352,7 +352,7 @@ function esp (npackets, packet_size, mode, profile) local plain = d:packet() local conf = { spi = 0x0, mode = "aes-128-gcm", - keymat = "00112233445566778899AABBCCDDEEFF", + key = "00112233445566778899AABBCCDDEEFF", salt = "00112233"} local enc, dec = esp.esp_v6_encrypt:new(conf), esp.esp_v6_decrypt:new(conf) diff --git a/src/program/snabbnfv/README.md b/src/program/snabbnfv/README.md index 2b7d125ae0..9265177ee2 100644 --- a/src/program/snabbnfv/README.md +++ b/src/program/snabbnfv/README.md @@ -69,13 +69,16 @@ tunnel := { type = "L2TPv3", -- The only type (for now) ``` The `crypto` section allows configuration of traffic encryption based on -`apps.esp`: +`apps.ipsec.esp`: ``` crypto := { type = "esp-aes-128-gcm", -- The only type (for now) - spi = , -- Security Parameter Index - key = , -- 20 bytes as a hex encoded string - replay_window = } -- Replay window + spi = , -- As for AES128gcm + transmit_key = , + transmit_salt = , + receive_key = , + receive_salt = , + auditing = } ``` diff --git a/src/program/snabbnfv/nfvconfig.lua b/src/program/snabbnfv/nfvconfig.lua index cca18be263..8da8b80ec0 100644 --- a/src/program/snabbnfv/nfvconfig.lua +++ b/src/program/snabbnfv/nfvconfig.lua @@ -89,8 +89,11 @@ function load (file, pciaddr, sockpath, soft_bench) local Crypto = name.."_Crypto" config.app(c, Crypto, AES128gcm, {spi = t.crypto.spi, - key = t.crypto.key, - replay_window = t.crypto.replay_window}) + transmit_key = t.crypto.transmit_key, + transmit_salt = t.crypto.transmit_salt, + receive_key = t.crypto.receive_key, + receive_salt = t.crypto.receive_salt, + auditing = t.crypto.auditing}) config.link(c, VM_tx.." -> "..Crypto..".decapsulated") config.link(c, Crypto..".decapsulated -> "..VM_rx) VM_rx, VM_tx = Crypto..".encapsulated", Crypto..".encapsulated" diff --git a/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/crypto-tunnel.ports b/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/crypto-tunnel.ports index e81323b981..bfd5b3e630 100644 --- a/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/crypto-tunnel.ports +++ b/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/crypto-tunnel.ports @@ -11,7 +11,10 @@ return { next_hop = "fe80:0:0:0:5054:ff:fe00:1" }, crypto = { type = "esp-aes-128-gcm", spi = 0x42, - key = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef", } + transmit_key = "deadbeefdeadbeefdeadbeefdeadbeef", + transmit_salt = "deadbeef", + receive_key = "beefdeadbeefdeadbeefdeadbeefdead", + receive_salt = "beefdead" } }, { vlan = 43, mac_address = "52:54:00:00:00:01", @@ -25,6 +28,9 @@ return { next_hop = "fe80:0:0:0:5054:ff:fe00:0" }, crypto = { type = "esp-aes-128-gcm", spi = 0x42, - key = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef", } + transmit_key = "beefdeadbeefdeadbeefdeadbeefdead", + transmit_salt = "beefdead", + receive_key = "deadbeefdeadbeefdeadbeefdeadbeef", + receive_salt = "deadbeef" } }, } diff --git a/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/crypto.ports b/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/crypto.ports index dbb9bafc0c..bce7401287 100644 --- a/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/crypto.ports +++ b/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/crypto.ports @@ -4,13 +4,19 @@ return { port_id = "A", crypto = { type = "esp-aes-128-gcm", spi = 0x42, - key = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef", } + transmit_key = "deadbeefdeadbeefdeadbeefdeadbeef", + transmit_salt = "deadbeef", + receive_key = "beefdeadbeefdeadbeefdeadbeefdead", + receive_salt = "beefdead" } }, { vlan = 43, mac_address = "52:54:00:00:00:01", port_id = "B", crypto = { type = "esp-aes-128-gcm", spi = 0x42, - key = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef", } + transmit_key = "beefdeadbeefdeadbeefdeadbeefdead", + transmit_salt = "beefdead", + receive_key = "deadbeefdeadbeefdeadbeefdeadbeef", + receive_salt = "deadbeef" } }, } diff --git a/src/program/snabbnfv/traffic/README b/src/program/snabbnfv/traffic/README index c961bf2aac..8013b6dd86 100644 --- a/src/program/snabbnfv/traffic/README +++ b/src/program/snabbnfv/traffic/README @@ -61,7 +61,10 @@ CONFIG FILE FORMAT: apps.ipsec.esp: - crypto := { type = "esp-aes-128-gcm", -- The only type (for now) - spi = , -- Security Parameter Index - key = , -- 20 bytes as a hex encoded string - replay_window = } -- Replay window \ No newline at end of file + crypto := { type = "esp-aes-128-gcm", -- The only type (for now) + spi = , -- As for AES128gcm + transmit_key = , + transmit_salt = , + receive_key = , + receive_salt = , + auditing = } From 8e1461b20ff5a81dbee7b783474a6e62b8b8964e Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Thu, 27 Oct 2016 15:00:59 +0200 Subject: [PATCH 334/340] lib.ipsec.esp: automatically pad window_size to implementation req. --- src/lib/ipsec/esp.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/lib/ipsec/esp.lua b/src/lib/ipsec/esp.lua index a88199673d..562245954b 100644 --- a/src/lib/ipsec/esp.lua +++ b/src/lib/ipsec/esp.lua @@ -115,9 +115,9 @@ function esp_v6_decrypt:new (conf) o.CTEXT_OFFSET = ESP_SIZE + gcm.IV_SIZE o.PLAIN_OVERHEAD = PAYLOAD_OFFSET + ESP_SIZE + gcm.IV_SIZE + gcm.AUTH_SIZE o.window_size = conf.window_size or 128 + o.window_size = o.window_size + padding(8, o.window_size) o.resync_threshold = conf.resync_threshold or 1024 o.resync_attempts = conf.resync_attempts or 8 - assert(o.window_size % 8 == 0, "window_size must be a multiple of 8.") o.window = ffi.new(window_t, o.window_size / 8) o.decap_fail = 0 o.auditing = conf.auditing From d1012d44ff17f400b79a6730a64a7508504118e3 Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Thu, 27 Oct 2016 15:09:00 +0200 Subject: [PATCH 335/340] apps.ipsec.esp: refuse to operate with transmit_salt == receive_salt. See https://tools.ietf.org/html/rfc4106#section-10 --- src/apps/ipsec/esp.lua | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/apps/ipsec/esp.lua b/src/apps/ipsec/esp.lua index 62cb55528a..4b7b3efd96 100644 --- a/src/apps/ipsec/esp.lua +++ b/src/apps/ipsec/esp.lua @@ -27,6 +27,8 @@ AES128gcm = { function AES128gcm:new (conf) local self = {} + assert(conf.transmit_salt ~= conf.receive_salt, + "Refusing to operate with transmit_salt == receive_salt") self.encrypt = esp.esp_v6_encrypt:new{ mode = "aes-128-gcm", spi = conf.spi, From 759846277b721cc96e9a03efc3688c74275c72cf Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Thu, 27 Oct 2016 16:14:35 +0200 Subject: [PATCH 336/340] =?UTF-8?q?=E2=80=A6ipsec:=20fix=20documentation?= =?UTF-8?q?=20typos.?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/apps/ipsec/README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/apps/ipsec/README.md b/src/apps/ipsec/README.md index ab547e6a38..18e8f78050 100644 --- a/src/apps/ipsec/README.md +++ b/src/apps/ipsec/README.md @@ -46,7 +46,7 @@ outgoing packets. *Required*. Hexadecimal string of eight digits (two digits for each byte) that denotes four bytes of salt as specified in RFC 4106 used for the encryption of -outgoing packets.. +outgoing packets. — Key **receive_key** @@ -67,7 +67,7 @@ accepted as specified in RFC 4303. The default is 128. — Key **resync_threshold** -Optional*. Number of consecutive packets allowed to fail decapsulation before +*Optional*. Number of consecutive packets allowed to fail decapsulation before attempting “Re-synchronization” as specified in RFC 4303. The default is 1024. — Key **resync_attempts** From baabc0869e399907325424cd6c6eadd62e64e8e5 Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Thu, 27 Oct 2016 18:33:43 +0200 Subject: [PATCH 337/340] ipsec documentation: use $mdroot, include AES128gcm app docs. --- src/doc/genbook.sh | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/doc/genbook.sh b/src/doc/genbook.sh index 72aa2181c8..b7ed930c83 100755 --- a/src/doc/genbook.sh +++ b/src/doc/genbook.sh @@ -54,6 +54,8 @@ $(cat $mdroot/apps/vpn/README.md) $(cat $mdroot/apps/socket/README.md) +$(cat $mdroot/apps/ipsec/README.md) + # Libraries $(cat $mdroot/lib/README.checksum.md) @@ -72,7 +74,7 @@ $(cat $mdroot/lib/protocol/README.md) ## IPsec -$(cat ../lib/ipsec/README.md) +$(cat $mdroot/lib/ipsec/README.md) ## Snabb NFV From 97720427ed8b22895dfc022f44bda2f2ed9b5a4b Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Thu, 27 Oct 2016 19:40:25 +0200 Subject: [PATCH 338/340] snabb-nfvconfig-v1.yang: add crypto node. --- src/program/snabbnfv/snabb-nfvconfig-v1.yang | 112 +++++++++++++++++-- src/program/snabbnfv/traffic/README | 1 - 2 files changed, 102 insertions(+), 11 deletions(-) diff --git a/src/program/snabbnfv/snabb-nfvconfig-v1.yang b/src/program/snabbnfv/snabb-nfvconfig-v1.yang index 543ec85b77..4e5181a5ca 100644 --- a/src/program/snabbnfv/snabb-nfvconfig-v1.yang +++ b/src/program/snabbnfv/snabb-nfvconfig-v1.yang @@ -5,12 +5,17 @@ module snabb-nfvconfig-v1 { import ietf-yang-types { prefix yang; } import ietf-inet-types { prefix inet; } + organization "Snabb"; + contact "snabb-devel@googlegroups.com"; + description "This module describes the configuration of SnabbNFV."; - revision "2016-05-04" { + revision "2016-10-27" { description - "Initial version that reflects Snabb Switch 2016.04 “Uvilla”."; + "Initial version that reflects Snabb Switch 2016.11 “Babaco”."; + reference + "https://github.com/snabbco/snabb/releases/tag/v2016.11"; } typedef pcap-filter { @@ -36,6 +41,24 @@ module snabb-nfvconfig-v1 { description "Layer 2 Tunneling Protocol Version 3"; } + identity crypto-type { + description + "Base identity from which all transport cryptography types are derived."; + } + + identity esp-aes-128-gcm { + base "crypto-type"; + description + "Encapsulating Security Payload using AES 128 in Galois Counter Mode"; + } + + typedef hexstring4 { + type "string" { + pattern "[0-9a-fA-F]{8}"; + } + description "Four bytes encoded as a hexadecimal string."; + } + typedef hexstring8 { type "string" { pattern "[0-9a-fA-F]{16}"; @@ -43,6 +66,13 @@ module snabb-nfvconfig-v1 { description "Eight bytes encoded as a hexadecimal string."; } + typedef hexstring16 { + type "string" { + pattern "[0-9a-fA-F]{32}"; + } + description "Sixteen bytes encoded as a hexadecimal string."; + } + list port { key port_id; description @@ -50,14 +80,14 @@ module snabb-nfvconfig-v1 { virtual port."; leaf port_id { - mandatory true; type string; + mandatory true; description "The unique identifier of the port."; } leaf mac_address { - mandatory true; type yang:mac-address; + mandatory true; description "MAC address of the port."; } @@ -65,7 +95,7 @@ module snabb-nfvconfig-v1 { type uint16 { range "0..4095"; } - description ""; + description "Vlan tag."; } leaf ingress_filter { @@ -82,23 +112,23 @@ module snabb-nfvconfig-v1 { description "L2TPv3 tunnel configuration."; leaf type { - mandatory true; type identityref { base "tunnel-type"; } + mandatory true; description "Tunnel type identifier."; } leaf local_cookie { - mandatory true; type hexstring8; + mandatory true; description "Local cookie"; } leaf remote_cookie { - mandatory true; type hexstring8; + mandatory true; description "Remote cookie"; } @@ -108,14 +138,14 @@ module snabb-nfvconfig-v1 { } leaf local_ip { - mandatory true; type inet:ipv6-address-no-zone; + mandatory true; description "Local IPv6 address."; } leaf remote_ip { - mandatory true; type inet:ipv6-address-no-zone; + mandatory true; description "Remote IPv6 address."; } @@ -136,5 +166,67 @@ module snabb-nfvconfig-v1 { type gbps; description "Allowed output rate in Gigabits per second."; } + + container crypto { + description "Transport cryptography configuration."; + + leaf type { + type identityref { + base "crypto-type"; + } + mandatory true; + description + "Cryptography type identifier."; + } + + leaf spi { + type uint32 { + range "256..max"; + } + mandatory true; + description + "“Security Parameters Index” as specified in RFC 4303."; + } + + leaf transmit_key { + type hexstring16; + mandatory true; + description + "128-bit AES key as specified in RFC 4106 used for the encryption of + outgoing packets."; + } + + leaf transmit_salt { + type hexstring4; + mandatory true; + description + "Salt as specified in RFC 4106 used for the encryption of outgoing + packets."; + } + + leaf receive_key { + type hexstring16; + mandatory true; + description + "128-bit AES key as specified in RFC 4106 used for the decryption of + incoming packets."; + } + + leaf receive_salt { + type hexstring4; + mandatory true; + description + "Salt as specified in RFC 4106 used for the decryption of incoming + packets."; + } + + leaf auditing { + type boolean; + default false; + description + "Indicates whether to enable or disable “Auditing” as specified in + RFC 4303. The default is no auditing."; + } + } } } diff --git a/src/program/snabbnfv/traffic/README b/src/program/snabbnfv/traffic/README index f268aa7e23..c163d7748e 100644 --- a/src/program/snabbnfv/traffic/README +++ b/src/program/snabbnfv/traffic/README @@ -60,7 +60,6 @@ CONFIG FILE FORMAT: The crypto section allows configuration of traffic encryption based on apps.ipsec.esp: - crypto := { type = "esp-aes-128-gcm", -- The only type (for now) spi = , -- As for AES128gcm transmit_key = , From b1b60d21fca3224be4e931c67f00a49b00226bff Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Fri, 28 Oct 2016 13:40:13 +0200 Subject: [PATCH 339/340] neutron2snabb: update test fixtures (ignoring the sillyness for now). --- src/program/snabbnfv/test_fixtures/nfvconfig/reference/port0 | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/program/snabbnfv/test_fixtures/nfvconfig/reference/port0 b/src/program/snabbnfv/test_fixtures/nfvconfig/reference/port0 index b16c11221a..d1b258455f 100644 --- a/src/program/snabbnfv/test_fixtures/nfvconfig/reference/port0 +++ b/src/program/snabbnfv/test_fixtures/nfvconfig/reference/port0 @@ -1,7 +1,7 @@ return { { - rx_police = 3, stateful_filter = true, + tx_police = 1, vlan = 243, ingress_filter = "((arp or ip) or ip6)", egress_filter = "(ip6 or (arp or ip))", @@ -16,6 +16,6 @@ return { remote_ip = "1:2:3:4:5:6:7:8", }, port_id = "523276c7-73e3-4154-8b67-9c7199bdbb8c", - tx_police = 1, + rx_police = 3, }, } From 1ada40099d50c6915db73a0e694a99c0679911dd Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Wed, 2 Nov 2016 16:23:54 +0100 Subject: [PATCH 340/340] snabbnfv: support deprecated rx_police_gbps and tx_police_gbps. --- src/program/snabbnfv/nfvconfig.lua | 12 ++++++++++++ .../nfvconfig/test_functions/deprecated.port | 6 ++++++ 2 files changed, 18 insertions(+) create mode 100644 src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/deprecated.port diff --git a/src/program/snabbnfv/nfvconfig.lua b/src/program/snabbnfv/nfvconfig.lua index 4452e9b772..884e6c9705 100644 --- a/src/program/snabbnfv/nfvconfig.lua +++ b/src/program/snabbnfv/nfvconfig.lua @@ -31,6 +31,15 @@ function load (file, pciaddr, sockpath, soft_bench) io_links = virtual_ether_mux.configure(c, ports, {bench = soft_bench}) end for i,t in ipairs(ports) do + -- Backwards compatibity / deprecated fields + for deprecated, current in pairs({tx_police_gbps = "tx_police", + rx_police_gbps = "rx_police"}) do + if t[deprecated] and not t[current] then + print("Warning: "..deprecated.." is deprecated, use "..current.." instead.") + t[current] = t[deprecated] + end + end + -- Backwards compatability end local name = port_name(t) local Virtio = name.."_Virtio" config.app(c, Virtio, VhostUser, @@ -134,4 +143,7 @@ function selftest () engine.configure(load(confpath, pcideva, "/dev/null")) engine.main({duration = 0.25}) end + local c = load("program/snabbnfv/test_fixtures/nfvconfig/test_functions/deprecated.port", pcideva, "/dev/null") + assert(c.apps["Test_TxLimit"]) + assert(c.apps["Test_RxLimit"]) end diff --git a/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/deprecated.port b/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/deprecated.port new file mode 100644 index 0000000000..ea686c9e7f --- /dev/null +++ b/src/program/snabbnfv/test_fixtures/nfvconfig/test_functions/deprecated.port @@ -0,0 +1,6 @@ +return { + { port_id = "Test", + rx_police_gbps = 1, + tx_police_gbps = 1 + }, +} \ No newline at end of file

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zk9h3yNlMau>nT$NRkwS$I&WXL%j?ax1Ozr4K3DF84L@r#LP{1*S47#VTLSaml=;=w zmSuiH-2lEshiLc)Y}}(sg`m(c_;>6k8FUZT#{M8Yu{B_S6n7^2jREF7TUdS zn8K)nyu8puhni4ufBX8Ei4f9wTkJMhJdHnDQy|#Jnah_;^YhQbcwAIb$m?jKw`b?? z-_(S;(XNmX^aWy|AeH41*wXX*A+fP>YsUs7IvIN;d_k^teA@&U*a9L748E$2WyNX`26^e2+Y1RAfK z$R`uVFMBYMj^hNu#$aEN(8vXqKVCTVp-npq;&zv-dSqc4;-SW;6(j)fs|$nO`_ekJ zZ=YRlcD5;ZV?rj!lb(izM$}MXn=@;nTF|(e*!#hGz}y^rgv<{IDx*SS)(yf}h?5XK zBPxYN`s3x7BOsx(_AkRtlSgLn2iPd0>mwjSumk(Cg9g2(YP9#Gm$l%hTPnJURoUzI z!h-5SVPV`O4og6Nb;rV{7Y976W)2jHFNJ=CoS3EG(O|!J6)@9O-7l^UmZzj+20dWaq60L+R-u Date: Fri, 13 May 2016 18:49:15 +0200 Subject: [PATCH 095/340] Add drop counters and update all end-to-end tests to check them too --- src/apps/lwaftr/lwaftr.lua | 131 +++++++++++ src/program/lwaftr/check/check.lua | 23 +- ...inet_ipv4_in_binding_big_packet_df_set.lua | 10 + ...airpin.lua => from_to_b4_ipv6_hairpin.lua} | 0 ...rom_to_b4_tunneled_icmpv4_ping_hairpin.lua | 12 + ...4_tunneled_icmpv4_ping_hairpin_unbound.lua | 9 + ...cmp.lua => in_1p_ipv4_out_1p_icmpv4_1.lua} | 4 - .../tests/data/in_1p_ipv4_out_1p_ipv6_1.lua | 7 + .../tests/data/in_1p_ipv4_out_1p_ipv6_2.lua | 7 + .../tests/data/in_1p_ipv4_out_1p_ipv6_3.lua | 7 + .../tests/data/in_1p_ipv4_out_1p_ipv6_4.lua | 7 + .../tests/data/in_1p_ipv4_out_1p_ipv6_5.lua | 7 + .../tests/data/in_1p_ipv4_out_1p_ipv6_6.lua | 7 + .../tests/data/in_1p_ipv4_out_1p_ipv6_7.lua | 7 + .../tests/data/in_1p_ipv4_out_1p_ipv6_8.lua | 7 + .../tests/data/in_1p_ipv4_out_none_1.lua | 4 + .../tests/data/in_1p_ipv4_out_none_2.lua | 4 + .../tests/data/in_1p_ipv6_out_1p_icmpv4_1.lua | 10 + .../tests/data/in_1p_ipv6_out_1p_icmpv6_1.lua | 7 + .../tests/data/in_1p_ipv6_out_1p_icmpv6_2.lua | 7 + .../tests/data/in_1p_ipv6_out_1p_ipv4_1.lua | 7 + .../tests/data/in_1p_ipv6_out_1p_ipv4_2.lua | 7 + .../tests/data/in_1p_ipv6_out_1p_ipv4_3.lua | 7 + .../tests/data/in_1p_ipv6_out_1p_ipv4_4.lua | 7 + .../tests/data/in_1p_ipv6_out_1p_ipv4_5.lua | 7 + .../tests/data/in_1p_ipv6_out_none_1.lua | 4 + .../tests/data/in_1p_ipv6_out_none_2.lua | 4 + ...in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua | 15 ++ ...in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua | 15 ++ ...ua => ndp_no_na_next_hop6_mac_not_set.lua} | 7 +- .../lwaftr/tests/end-to-end/end-to-end.sh | 206 ++++++++++-------- 31 files changed, 467 insertions(+), 96 deletions(-) create mode 100644 src/program/lwaftr/tests/data/from_inet_ipv4_in_binding_big_packet_df_set.lua rename src/program/lwaftr/tests/data/{counters_hairpin.lua => from_to_b4_ipv6_hairpin.lua} (100%) create mode 100644 src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin.lua create mode 100644 src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua rename src/program/lwaftr/tests/data/{counters_icmp.lua => in_1p_ipv4_out_1p_icmpv4_1.lua} (61%) create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_1.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_2.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_3.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_4.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_5.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_6.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_7.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_8.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv4_out_none_1.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv4_out_none_2.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv4_1.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_1.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_2.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_1.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_2.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_3.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_4.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_5.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv6_out_none_1.lua create mode 100644 src/program/lwaftr/tests/data/in_1p_ipv6_out_none_2.lua create mode 100644 src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua create mode 100644 src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua rename src/program/lwaftr/tests/data/{counters_ip.lua => ndp_no_na_next_hop6_mac_not_set.lua} (61%) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 885f492a17..6ef9dd64f5 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -170,6 +170,8 @@ local function init_transmit_icmpv6_with_rate_limit(lwstate) counter.add(lwstate.counters.out_icmpv6_packets) return transmit(o, pkt) else + counter.add(lwstate.counters.drop_ratlim_icmpv6_bytes, pkt.length) + counter.add(lwstate.counters.drop_ratlim_icmpv6_packets) return drop(pkt) end end @@ -217,8 +219,12 @@ function LwAftr:new(conf) -- - protocol+version: "icmpv4", "icmpv6", "ipv4", "ipv6"; -- - size: "bytes", "packets". -- The "size" field always comes last. + -- TODO: should the "drop_all_ipv4/6" aggregate counters be incremented all + -- over the place, with the related runtime cost, or computed by summing + -- the relevant counters less frequently? local counters_dir = "app/lwaftr/counters/" o.counters = {} + -- Ingress o.counters.in_ipv4_bytes = counter.open(counters_dir .. "in-ipv4-bytes") o.counters.in_ipv4_packets = counter.open(counters_dir .. "in-ipv4-packets") @@ -238,6 +244,98 @@ function LwAftr:new(conf) o.counters.hpin_ipv4_bytes = counter.open(counters_dir .. "hpin-ipv4-bytes") o.counters.hpin_ipv4_packets = counter.open(counters_dir .. "hpin-ipv4-packets") + -- Drop v4 + o.counters.drop_all_ipv4_bytes = counter.open( + counters_dir .. "drop-all-ipv4-bytes") + o.counters.drop_all_ipv4_packets = counter.open( + counters_dir .. "drop-all-ipv4-packets") + -- On IPv4 link, but not IPv4. + o.counters.drop_not_ipv4_bytes = counter.open( + counters_dir .. "drop-not-ipv4-bytes") + o.counters.drop_not_ipv4_packets = counter.open( + counters_dir .. "drop-not-ipv4-packets") + -- No matching destination softwire. + o.counters.drop_nodest_ipv4_bytes = counter.open( + counters_dir .. "drop-nodest-ipv4-bytes") + o.counters.drop_nodest_ipv4_packets = counter.open( + counters_dir .. "drop-nodest-ipv4-packets") + -- TTL is zero. + o.counters.drop_nottl_ipv4_bytes = counter.open( + counters_dir .. "drop-nottl-ipv4-bytes") + o.counters.drop_nottl_ipv4_packets = counter.open( + counters_dir .. "drop-nottl-ipv4-packets") + -- Big packets exceeding MTU, but DF (Don't Fragment) flag set. + o.counters.drop_2bigdf_ipv4_bytes = counter.open( + counters_dir .. "drop-2bigdf-ipv4-bytes") + o.counters.drop_2bigdf_ipv4_packets = counter.open( + counters_dir .. "drop-2bigdf-ipv4-packets") + -- Bad checksum. + o.counters.drop_badchk_icmpv4_bytes = counter.open( + counters_dir .. "drop-badchk-icmpv4-bytes") + o.counters.drop_badchk_icmpv4_packets = counter.open( + counters_dir .. "drop-badchk-icmpv4-packets") + -- Policy of dropping incoming ICMPv4 packets. + o.counters.drop_inplcy_icmpv4_bytes = counter.open( + counters_dir .. "drop-inplcy-icmpv4-bytes") + o.counters.drop_inplcy_icmpv4_packets = counter.open( + counters_dir .. "drop-inplcy-icmpv4-packets") + -- Policy of dropping outgoing ICMPv4 packets. + o.counters.drop_outplc_icmpv4_bytes = counter.open( + counters_dir .. "drop-outplc-icmpv4-bytes") + o.counters.drop_outplc_icmpv4_packets = counter.open( + counters_dir .. "drop-outplc-icmpv4-packets") + + -- Drop v6 + o.counters.drop_all_ipv6_bytes = counter.open( + counters_dir .. "drop-all-ipv6-bytes") + o.counters.drop_all_ipv6_packets = counter.open( + counters_dir .. "drop-all-ipv6-packets") + -- On IPv6 link, but not IPv6. + o.counters.drop_not_ipv6_bytes = counter.open( + counters_dir .. "drop-not-ipv6-bytes") + o.counters.drop_not_ipv6_packets = counter.open( + counters_dir .. "drop-not-ipv6-packets") + -- Unknown IPv6 protocol. + o.counters.drop_unknwn_ipv6_bytes = counter.open( + counters_dir .. "drop-unknwn-ipv6-bytes") + o.counters.drop_unknwn_ipv6_packets = counter.open( + counters_dir .. "drop-unknwn-ipv6-packets") + -- No matching source softwire. + o.counters.drop_nosrc_ipv6_bytes = counter.open( + counters_dir .. "drop-nosrc-ipv6-bytes") + o.counters.drop_nosrc_ipv6_packets = counter.open( + counters_dir .. "drop-nosrc-ipv6-packets") + -- Unknown ICMPv6 type. + o.counters.drop_unknwn_icmpv6_bytes = counter.open( + counters_dir .. "drop-unknwn-icmpv6-bytes") + o.counters.drop_unknwn_icmpv6_packets = counter.open( + counters_dir .. "drop-unknwn-icmpv6-packets") + -- "Packet too big" ICMPv6 type but not code. + o.counters.drop_nt2big_icmpv6_bytes = counter.open( + counters_dir .. "drop-nt2big-icmpv6-bytes") + o.counters.drop_nt2big_icmpv6_packets = counter.open( + counters_dir .. "drop-nt2big-icmpv6-packets") + -- Time-limit-exceeded, but not hop limit. + o.counters.drop_timhop_icmpv6_bytes = counter.open( + counters_dir .. "drop-timhop-icmpv6-bytes") + o.counters.drop_timhop_icmpv6_packets = counter.open( + counters_dir .. "drop-timhop-icmpv6-packets") + -- Rate limit reached. + o.counters.drop_ratlim_icmpv6_bytes = counter.open( + counters_dir .. "drop-ratlim-icmpv6-bytes") + o.counters.drop_ratlim_icmpv6_packets = counter.open( + counters_dir .. "drop-ratlim-icmpv6-packets") + -- Policy of dropping incoming ICMPv6 packets. + o.counters.drop_inplcy_icmpv6_bytes = counter.open( + counters_dir .. "drop-inplcy-icmpv6-bytes") + o.counters.drop_inplcy_icmpv6_packets = counter.open( + counters_dir .. "drop-inplcy-icmpv6-packets") + -- Policy of dropping outgoing ICMPv6 packets. + o.counters.drop_outplc_icmpv6_bytes = counter.open( + counters_dir .. "drop-outplc-icmpv6-bytes") + o.counters.drop_outplc_icmpv6_packets = counter.open( + counters_dir .. "drop-outplc-icmpv6-packets") + transmit_icmpv6_with_rate_limit = init_transmit_icmpv6_with_rate_limit(o) if debug then lwdebug.pp(conf) end return o @@ -318,12 +416,17 @@ end local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then -- ICMP error messages off by policy; silently drop. + counter.add(lwstate.counters.drop_outplc_icmpv4_bytes, pkt.length) + counter.add(lwstate.counters.drop_outplc_icmpv4_packets) return drop(pkt) end if get_ipv4_proto(get_ethernet_payload(pkt)) == proto_icmp then -- RFC 7596 section 8.1 requires us to silently drop incoming -- ICMPv4 messages that don't match the binding table. + -- TODO: isn't this prevented by from_inet? + counter.add(lwstate.counters.drop_inplcy_icmpv4_bytes, pkt.length) + counter.add(lwstate.counters.drop_inplcy_icmpv4_packets) return drop(pkt) end @@ -344,6 +447,8 @@ end local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt) if lwstate.policy_icmpv6_outgoing == lwconf.policies['DROP'] then -- ICMP error messages off by policy; silently drop. + counter.add(lwstate.counters.drop_outplc_icmpv6_bytes, pkt.length) + counter.add(lwstate.counters.drop_outplc_icmpv6_packets) return drop(pkt) end @@ -393,6 +498,8 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) local ttl = decrement_ttl(pkt) if ttl == 0 then if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then + counter.add(lwstate.counters.drop_outplc_icmpv4_bytes, pkt.length) + counter.add(lwstate.counters.drop_outplc_icmpv4_packets) return drop(pkt) end local ipv4_header = get_ethernet_payload(pkt) @@ -413,6 +520,8 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) local ether_dst = lwstate.next_hop6_mac if encapsulating_packet_with_df_flag_would_exceed_mtu(lwstate, pkt) then + counter.add(lwstate.counters.drop_2bigdf_ipv4_bytes, pkt.length) + counter.add(lwstate.counters.drop_2bigdf_ipv4_packets) local reply = cannot_fragment_df_packet_error(lwstate, pkt) return transmit_icmpv4_reply(lwstate, reply, pkt) end @@ -455,6 +564,8 @@ local function flush_encapsulation(lwstate) else -- Lookup failed. if debug then print("lookup failed") end + counter.add(lwstate.counters.drop_nodest_ipv4_bytes, pkt.length) + counter.add(lwstate.counters.drop_nodest_ipv4_packets) drop_ipv4_packet_to_unreachable_host(lwstate, pkt) end end @@ -480,6 +591,8 @@ local function icmpv4_incoming(lwstate, pkt) local icmp_bytes = get_ipv4_total_length(ipv4_header) - ipv4_header_size if checksum.ipsum(icmp_header, icmp_bytes, 0) ~= 0 then -- Silently drop the packet, as per RFC 5508 + counter.add(lwstate.counters.drop_badchk_icmpv4_bytes, pkt.length) + counter.add(lwstate.counters.drop_badchk_icmpv4_packets) return drop(pkt) end @@ -526,6 +639,8 @@ local function from_inet(lwstate, pkt) local ipv4_header = get_ethernet_payload(pkt) if get_ipv4_proto(ipv4_header) == proto_icmp then if lwstate.policy_icmpv4_incoming == lwconf.policies['DROP'] then + counter.add(lwstate.counters.drop_inplcy_icmpv4_bytes, pkt.length) + counter.add(lwstate.counters.drop_inplcy_icmpv4_packets) return drop(pkt) else return icmpv4_incoming(lwstate, pkt) @@ -570,6 +685,8 @@ local function icmpv6_incoming(lwstate, pkt) if icmp_type == constants.icmpv6_packet_too_big then if icmp_code ~= constants.icmpv6_code_packet_too_big then -- Invalid code. + counter.add(lwstate.counters.drop_nt2big_icmpv6_bytes, pkt.length) + counter.add(lwstate.counters.drop_nt2big_icmpv6_packets) return drop(pkt) end local mtu = get_icmp_mtu(icmp_header) - constants.ipv6_fixed_header_size @@ -583,6 +700,8 @@ local function icmpv6_incoming(lwstate, pkt) -- If the time limit was exceeded, require it was a hop limit code if icmp_type == constants.icmpv6_time_limit_exceeded then if icmp_code ~= constants.icmpv6_hop_limit_exceeded then + counter.add(lwstate.counters.drop_timhop_icmpv6_bytes, pkt.length) + counter.add(lwstate.counters.drop_timhop_icmpv6_packets) return drop(pkt) end end @@ -593,6 +712,8 @@ local function icmpv6_incoming(lwstate, pkt) else -- No other types of ICMPv6, including echo request/reply, are -- handled. + counter.add(lwstate.counters.drop_unknwn_icmpv6_bytes, pkt.length) + counter.add(lwstate.counters.drop_unknwn_icmpv6_packets) return drop(pkt) end end @@ -614,6 +735,8 @@ local function flush_decapsulation(lwstate) n_ethertype_ipv4) transmit_ipv4(lwstate, pkt) else + counter.add(lwstate.counters.drop_nosrc_ipv6_bytes, pkt.length) + counter.add(lwstate.counters.drop_nosrc_ipv6_packets) drop_ipv6_packet_from_bad_softwire(lwstate, pkt) end end @@ -632,12 +755,16 @@ local function from_b4(lwstate, pkt) if proto ~= proto_ipv4 then if proto == proto_icmpv6 then if lwstate.policy_icmpv6_incoming == lwconf.policies['DROP'] then + counter.add(lwstate.counters.drop_inplcy_icmpv6_bytes, pkt.length) + counter.add(lwstate.counters.drop_inplcy_icmpv6_packets) return drop(pkt) else return icmpv6_incoming(lwstate, pkt) end else -- Drop packet with unknown protocol. + counter.add(lwstate.counters.drop_unknwn_ipv6_bytes, pkt.length) + counter.add(lwstate.counters.drop_unknwn_ipv6_packets) return drop(pkt) end end @@ -714,6 +841,8 @@ function LwAftr:push () counter.add(self.counters.in_ipv6_packets) from_b4(self, pkt) else + counter.add(self.counters.drop_not_ipv6_bytes, pkt.length) + counter.add(self.counters.drop_not_ipv6_packets) drop(pkt) end end @@ -728,6 +857,8 @@ function LwAftr:push () counter.add(self.counters.in_ipv4_packets) from_inet(self, pkt) else + counter.add(self.counters.drop_not_ipv4_bytes, pkt.length) + counter.add(self.counters.drop_not_ipv4_packets) drop(pkt) end end diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 8be56600e0..84cb1fbb49 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -67,11 +67,24 @@ end function validate_diff(actual, expected) if not lib.equal(actual, expected) then - print("--- Expected") - for k, v in pairs(expected) do print(k, "=", v) end - print("--- actual") - for k, v in pairs(actual) do print(k, "=", v) end - error("counters did not match") + local msg + print('--- Expected (actual values in brackets, if any)') + for k, v in pairs(expected) do + msg = k..' = '..v + if actual[k] ~= nil then + msg = msg..' ('..actual[k]..')' + end + print(msg) + end + print('--- actual (expected values in brackets, if any)') + for k, v in pairs(actual) do + msg = k..' = '..v + if expected[k] ~= nil then + msg = msg..' ('..expected[k]..')' + end + print(msg) + end + error('counters did not match') end end diff --git a/src/program/lwaftr/tests/data/from_inet_ipv4_in_binding_big_packet_df_set.lua b/src/program/lwaftr/tests/data/from_inet_ipv4_in_binding_big_packet_df_set.lua new file mode 100644 index 0000000000..78fbb28ea7 --- /dev/null +++ b/src/program/lwaftr/tests/data/from_inet_ipv4_in_binding_big_packet_df_set.lua @@ -0,0 +1,10 @@ +return { + in_ipv4_bytes = 1494, + in_ipv4_packets = 1, + + out_ipv4_bytes = 590, + out_ipv4_packets = 1, + + out_icmpv4_bytes = 590, + out_icmpv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/counters_hairpin.lua b/src/program/lwaftr/tests/data/from_to_b4_ipv6_hairpin.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters_hairpin.lua rename to src/program/lwaftr/tests/data/from_to_b4_ipv6_hairpin.lua diff --git a/src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin.lua b/src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin.lua new file mode 100644 index 0000000000..0ac4310d65 --- /dev/null +++ b/src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin.lua @@ -0,0 +1,12 @@ +return { + in_ipv4_bytes = 98, + in_ipv4_packets = 1, + in_ipv6_bytes = 138, + in_ipv6_packets = 1, + + out_ipv6_bytes = 138, + out_ipv6_packets = 1, + + hpin_ipv4_bytes = 98, + hpin_ipv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua b/src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua new file mode 100644 index 0000000000..dda3b11eee --- /dev/null +++ b/src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua @@ -0,0 +1,9 @@ +return { + in_ipv4_bytes = 98, + in_ipv4_packets = 1, + in_ipv6_bytes = 138, + in_ipv6_packets = 1, + + hpin_ipv4_bytes = 98, + hpin_ipv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/counters_icmp.lua b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_icmpv4_1.lua similarity index 61% rename from src/program/lwaftr/tests/data/counters_icmp.lua rename to src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_icmpv4_1.lua index 03ec6b86bb..502f40a7ec 100644 --- a/src/program/lwaftr/tests/data/counters_icmp.lua +++ b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_icmpv4_1.lua @@ -1,14 +1,10 @@ return { in_ipv4_bytes = 66, in_ipv4_packets = 1, - in_ipv6_bytes = 106, - in_ipv6_packets = 1, out_ipv4_bytes = 94, out_ipv4_packets = 1, out_icmpv4_bytes = 94, out_icmpv4_packets = 1, - out_icmpv6_bytes = 154, - out_icmpv6_packets = 1, } diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_1.lua b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_1.lua new file mode 100644 index 0000000000..ad669e9687 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_1.lua @@ -0,0 +1,7 @@ +return { + in_ipv4_bytes = 66, + in_ipv4_packets = 1, + + out_ipv6_bytes = 106, + out_ipv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_2.lua b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_2.lua new file mode 100644 index 0000000000..37466773ba --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_2.lua @@ -0,0 +1,7 @@ +return { + in_ipv4_bytes = 1460, + in_ipv4_packets = 1, + + out_ipv6_bytes = 1500, + out_ipv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_3.lua b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_3.lua new file mode 100644 index 0000000000..2f3a815c17 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_3.lua @@ -0,0 +1,7 @@ +return { + in_ipv4_bytes = 1494, + in_ipv4_packets = 1, + + out_ipv6_bytes = 1534, + out_ipv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_4.lua b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_4.lua new file mode 100644 index 0000000000..eb3d85e2ea --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_4.lua @@ -0,0 +1,7 @@ +return { + in_ipv4_bytes = 2734, + in_ipv4_packets = 1, + + out_ipv6_bytes = 2774, + out_ipv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_5.lua b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_5.lua new file mode 100644 index 0000000000..99b8b21410 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_5.lua @@ -0,0 +1,7 @@ +return { + in_ipv4_bytes = 66, + in_ipv4_packets = 1, + + out_ipv6_bytes = 94, + out_ipv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_6.lua b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_6.lua new file mode 100644 index 0000000000..a60bafbeff --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_6.lua @@ -0,0 +1,7 @@ +return { + in_ipv4_bytes = 1474, + in_ipv4_packets = 1, + + out_ipv6_bytes = 1514, + out_ipv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_7.lua b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_7.lua new file mode 100644 index 0000000000..f574ea4e17 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_7.lua @@ -0,0 +1,7 @@ +return { + in_ipv4_bytes = 98, + in_ipv4_packets = 1, + + out_ipv6_bytes = 138, + out_ipv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_8.lua b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_8.lua new file mode 100644 index 0000000000..381f4e4112 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_8.lua @@ -0,0 +1,7 @@ +return { + in_ipv4_bytes = 70, + in_ipv4_packets = 1, + + out_ipv6_bytes = 110, + out_ipv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_none_1.lua b/src/program/lwaftr/tests/data/in_1p_ipv4_out_none_1.lua new file mode 100644 index 0000000000..8835e386c5 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv4_out_none_1.lua @@ -0,0 +1,4 @@ +return { + in_ipv4_bytes = 66, + in_ipv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_none_2.lua b/src/program/lwaftr/tests/data/in_1p_ipv4_out_none_2.lua new file mode 100644 index 0000000000..758e0f8460 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv4_out_none_2.lua @@ -0,0 +1,4 @@ +return { + in_ipv4_bytes = 98, + in_ipv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv4_1.lua b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv4_1.lua new file mode 100644 index 0000000000..c4b54f937e --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv4_1.lua @@ -0,0 +1,10 @@ +return { + in_ipv6_bytes = 154, + in_ipv6_packets = 1, + + out_ipv4_bytes = 94, + out_ipv4_packets = 1, + + out_icmpv4_bytes = 94, + out_icmpv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_1.lua b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_1.lua new file mode 100644 index 0000000000..d9bf433350 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_1.lua @@ -0,0 +1,7 @@ +return { + in_ipv6_bytes = 106, + in_ipv6_packets = 1, + + out_icmpv6_bytes = 154, + out_icmpv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_2.lua b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_2.lua new file mode 100644 index 0000000000..b017423b87 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_2.lua @@ -0,0 +1,7 @@ +return { + in_ipv6_bytes = 138, + in_ipv6_packets = 1, + + out_icmpv6_bytes = 186, + out_icmpv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_1.lua b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_1.lua new file mode 100644 index 0000000000..7d413cdd9b --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_1.lua @@ -0,0 +1,7 @@ +return { + in_ipv6_bytes = 1046, + in_ipv6_packets = 1, + + out_ipv4_bytes = 1006, + out_ipv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_2.lua b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_2.lua new file mode 100644 index 0000000000..64aea158e8 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_2.lua @@ -0,0 +1,7 @@ +return { + in_ipv6_bytes = 1500, + in_ipv6_packets = 1, + + out_ipv4_bytes = 1460, + out_ipv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_3.lua b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_3.lua new file mode 100644 index 0000000000..ce7f0bf00e --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_3.lua @@ -0,0 +1,7 @@ +return { + in_ipv6_bytes = 1534, + in_ipv6_packets = 1, + + out_ipv4_bytes = 1494, + out_ipv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_4.lua b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_4.lua new file mode 100644 index 0000000000..34fe7462bc --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_4.lua @@ -0,0 +1,7 @@ +return { + in_ipv6_bytes = 106, + in_ipv6_packets = 1, + + out_ipv4_bytes = 66, + out_ipv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_5.lua b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_5.lua new file mode 100644 index 0000000000..16883e71c0 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_5.lua @@ -0,0 +1,7 @@ +return { + in_ipv6_bytes = 1514, + in_ipv6_packets = 1, + + out_ipv4_bytes = 1474, + out_ipv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_none_1.lua b/src/program/lwaftr/tests/data/in_1p_ipv6_out_none_1.lua new file mode 100644 index 0000000000..84417dfd9b --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv6_out_none_1.lua @@ -0,0 +1,4 @@ +return { + in_ipv6_bytes = 106, + in_ipv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_none_2.lua b/src/program/lwaftr/tests/data/in_1p_ipv6_out_none_2.lua new file mode 100644 index 0000000000..1dce41bf99 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_1p_ipv6_out_none_2.lua @@ -0,0 +1,4 @@ +return { + in_ipv6_bytes = 154, + in_ipv6_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua b/src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua new file mode 100644 index 0000000000..fbaee2ab2b --- /dev/null +++ b/src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua @@ -0,0 +1,15 @@ +return { + in_ipv4_bytes = 160, + in_ipv4_packets = 2, + in_ipv6_bytes = 106, + in_ipv6_packets = 1, + + out_icmpv4_bytes = 94, + out_icmpv4_packets = 1, + + out_ipv6_bytes = 134, + out_ipv6_packets = 1, + + hpin_ipv4_bytes = 160, + hpin_ipv4_packets = 2, +} diff --git a/src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua b/src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua new file mode 100644 index 0000000000..497506c945 --- /dev/null +++ b/src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua @@ -0,0 +1,15 @@ +return { + in_ipv4_bytes = 94, + in_ipv4_packets = 1, + in_ipv6_bytes = 154, + in_ipv6_packets = 1, + + out_icmpv4_bytes = 94, + out_icmpv4_packets = 1, + + out_ipv6_bytes = 134, + out_ipv6_packets = 1, + + hpin_ipv4_bytes = 94, + hpin_ipv4_packets = 1, +} diff --git a/src/program/lwaftr/tests/data/counters_ip.lua b/src/program/lwaftr/tests/data/ndp_no_na_next_hop6_mac_not_set.lua similarity index 61% rename from src/program/lwaftr/tests/data/counters_ip.lua rename to src/program/lwaftr/tests/data/ndp_no_na_next_hop6_mac_not_set.lua index 33518f59b6..810a5bbd29 100644 --- a/src/program/lwaftr/tests/data/counters_ip.lua +++ b/src/program/lwaftr/tests/data/ndp_no_na_next_hop6_mac_not_set.lua @@ -1,11 +1,14 @@ return { in_ipv4_bytes = 66, in_ipv4_packets = 1, - in_ipv6_bytes = 106, - in_ipv6_packets = 1, + in_ipv6_bytes = 212, + in_ipv6_packets = 2, out_ipv4_bytes = 66, out_ipv4_packets = 1, out_ipv6_bytes = 106, out_ipv6_packets = 1, + + hpin_ipv4_bytes = 66, + hpin_ipv4_packets = 1, } diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 2d221799ab..5fefcac502 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -29,50 +29,30 @@ function snabb_run_and_cmp { exit 1 fi (${SNABB_LWAFTR} check \ - $1 $2 $3 ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap | grep -v compiled) || + $1 $2 $3 \ + ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap \ + $6 | grep -v compiled) || quit_with_msg "Failure: ${SNABB_LWAFTR} check \ $1 $2 $3 \ - ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap" + ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6" scmp $4 ${TEST_OUT}/endoutv4.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5" + "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" scmp $5 ${TEST_OUT}/endoutv6.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5" + "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" echo "Test passed" } - -# Counters (temporary) - -echo "Testing: ingress/egress IP counters" -${SNABB_LWAFTR} check ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-bound.pcap ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap \ - ${TEST_BASE}/counters_ip.lua && echo "Test passed" - -echo "Testing: egress ICMP counters" -${SNABB_LWAFTR} check ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-bound-ttl1.pcap ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ - ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap \ - ${TEST_BASE}/counters_icmp.lua && echo "Test passed" - -echo "Testing: hairpinning counters" -${SNABB_LWAFTR} check ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ - ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap \ - ${TEST_BASE}/counters_hairpin.lua && echo "Test passed" - -# End counters (temporary) - - echo "Testing: from-internet IPv4 packet found in the binding table." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: from-internet IPv4 packet found in the binding table with vlan tag." snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ ${TEST_BASE}/tcp-frominet-bound-vlan.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-vlan.pcap + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-vlan.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: NDP: incoming NDP Neighbor Solicitation" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ @@ -104,7 +84,8 @@ snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_without_mac4.conf \ echo "Testing: NDP: Without receiving NA, next_hop6_mac not set" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${TEST_BASE}/ndp_without_dst_eth_compound.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_outgoing_ns.pcap + ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_outgoing_ns.pcap \ + ${TEST_BASE}/ndp_no_na_next_hop6_mac_not_set.lua # mergecap -F pcap -w ndp_getna_compound.pcap tcp-fromb4-ipv6.pcap \ # ndp_incoming_solicited_na.pcap tcp-fromb4-tob4-ipv6.pcap @@ -112,7 +93,8 @@ snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ echo "Testing: NDP: With receiving NA, next_hop6_mac not initially set" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${TEST_BASE}/ndp_getna_compound.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_ns_and_recap.pcap + ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_ns_and_recap.pcap \ + ${TEST_BASE}/ndp_no_na_next_hop6_mac_not_set.lua echo "Testing: IPv6 packet, next hop NA, packet, eth addr not set in configuration." snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ @@ -122,67 +104,80 @@ snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ echo "Testing: from-internet IPv4 fragmented packets found in the binding table." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-ipv4-3frags-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-reassembled.pcap + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-reassembled.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_2.lua echo "Testing: traffic class mapping" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-bound-ttl1.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-time-expired.pcap ${EMPTY} + ${TEST_BASE}/icmpv4-time-expired.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv4_out_1p_icmpv4_1.lua echo "Testing: from-B4 IPv4 fragmentation (2)" snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1046.pcap \ - ${TEST_BASE}/tcp-ipv4-toinet-2fragments.pcap ${EMPTY} + ${TEST_BASE}/tcp-ipv4-toinet-2fragments.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_1.lua echo "Testing: from-B4 IPv4 fragmentation (3)" snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1500.pcap \ - ${TEST_BASE}/tcp-ipv4-toinet-3fragments.pcap ${EMPTY} + ${TEST_BASE}/tcp-ipv4-toinet-3fragments.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_2.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (2)." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/tcp-frominet-bound1494.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-2frags.pcap + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-2frags.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_3.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (3)." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/tcp-frominet-bound-2734.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-3frags.pcap + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-3frags.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_4.lua echo "Testing: IPv6 reassembly (followed by decapsulation)." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ - ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} + ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_3.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} + ${TEST_BASE}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} \ + ${TEST_BASE}/from_inet_ipv4_in_binding_big_packet_df_set.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv4_out_none_1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't), no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv4_out_none_1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (ICMP-on-fail)." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-dst-host-unreachable.pcap ${EMPTY} + ${TEST_BASE}/icmpv4-dst-host-unreachable.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv4_out_1p_icmpv4_1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} + ${TEST_BASE}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv4_out_1p_icmpv4_1.lua echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ @@ -192,32 +187,38 @@ snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} + ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: from-b4 to-internet IPv6 packet found in the binding table with vlan tag." snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-vlan.pcap \ - ${TEST_BASE}/decap-ipv4-vlan.pcap ${EMPTY} + ${TEST_BASE}/decap-ipv4-vlan.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, no ICMP" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_none_1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, (IPv4 matches, but port doesn't), no ICMP" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_none_1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (ICMP-on-fail)" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ - ${EMPTY} ${TEST_BASE}/icmpv6-nogress.pcap + ${EMPTY} ${TEST_BASE}/icmpv6-nogress.pcap \ + ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv6_1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ - ${EMPTY} ${TEST_BASE}/icmpv6-nogress-ip-bound-port-unbound.pcap + ${EMPTY} ${TEST_BASE}/icmpv6-nogress-ip-bound-port-unbound.pcap \ + ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv6_1.lua echo "Testing: from-to-b4 IPv6 packet, no hairpinning" # The idea is that with hairpinning off, the packet goes out the inet interface @@ -225,12 +226,14 @@ echo "Testing: from-to-b4 IPv6 packet, no hairpinning" # this would be desired behaviour, but it's my reading of the RFC. snabb_run_and_cmp ${TEST_BASE}/no_hairpin.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4-nohair.pcap ${EMPTY} + ${TEST_BASE}/decap-ipv4-nohair.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: from-to-b4 IPv6 packet, with hairpinning" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-ipv6.pcap + ${EMPTY} ${TEST_BASE}/recap-ipv6.pcap \ + ${TEST_BASE}/from_to_b4_ipv6_hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" # Ping from 127:11:12:13:14:15:16:128 / 178.79.150.233+7850 to @@ -238,142 +241,171 @@ echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" # not port-restricted. snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request.pcap \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-from-aftr.pcap + ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-from-aftr.pcap \ + ${TEST_BASE}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning" # As above, but a reply instead. snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply.pcap \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-from-aftr.pcap + ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-from-aftr.pcap \ + ${TEST_BASE}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning, unbound" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-unbound.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${TEST_BASE}/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning, port 0 not bound" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound.pcap \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap + ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ + ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv6_2.lua echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ + ${TEST_BASE}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua echo "Testing: from-to-b4 IPv6 packet, with hairpinning, with vlan tag" snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-vlan.pcap \ - ${EMPTY} ${TEST_BASE}/recap-ipv6-vlan.pcap + ${EMPTY} ${TEST_BASE}/recap-ipv6-vlan.pcap \ + ${TEST_BASE}/from_to_b4_ipv6_hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-customBRIP-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-tocustom-BRIP-ipv6.pcap + ${EMPTY} ${TEST_BASE}/recap-tocustom-BRIP-ipv6.pcap \ + ${TEST_BASE}/from_to_b4_ipv6_hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, from B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP-tob4-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-fromcustom-BRIP-ipv6.pcap + ${EMPTY} ${TEST_BASE}/recap-fromcustom-BRIP-ipv6.pcap \ + ${TEST_BASE}/from_to_b4_ipv6_hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, different non-default lwAFTR addresses" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-customBR-IPs-ipv6.pcap + ${EMPTY} ${TEST_BASE}/recap-customBR-IPs-ipv6.pcap \ + ${TEST_BASE}/from_to_b4_ipv6_hairpin.lua # Test UDP packets + echo "Testing: from-internet bound IPv4 UDP packet" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6.pcap + ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_6.lua echo "Testing: unfragmented IPv4 UDP -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6-2frags.pcap + ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6-2frags.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_6.lua echo "Testing: IPv6 incoming UDP fragments -> unfragmented IPv4" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ - ${TEST_BASE}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} + ${TEST_BASE}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_5.lua echo "Testing: IPv6 incoming UDP fragments -> outgoing IPv4 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ - ${TEST_BASE}/udp-afteraftr-ipv4-3frags.pcap ${EMPTY} + ${TEST_BASE}/udp-afteraftr-ipv4-3frags.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_5.lua echo "Testing: IPv4 incoming UDP fragments -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/udp-frominet-3frag-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/udp-afteraftr-reassembled-ipv6-2frags.pcap + ${EMPTY} ${TEST_BASE}/udp-afteraftr-reassembled-ipv6-2frags.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_6.lua # Test ICMP inputs (with and without drop policy) + echo "Testing: incoming ICMPv4 echo request, matches binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-request.pcap + ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-request.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_7.lua echo "Testing: incoming ICMPv4 echo request, matches binding table, bad checksum" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request-invalid-icmp-checksum.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv4_out_none_2.lua echo "Testing: incoming ICMPv4 echo request, matches binding table, dropping ICMP" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv4_out_none_2.lua echo "Testing: incoming ICMPv4 echo request, doesn't match binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv4_out_none_2.lua echo "Testing: incoming ICMPv4 echo reply, matches binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-reply.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-reply.pcap + ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-reply.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_7.lua echo "Testing: incoming ICMPv4 3,4 'too big' notification, matches binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-34toobig.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-34toobig.pcap + ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-34toobig.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_8.lua echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} + ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp34-inet.pcap ${EMPTY} + ${TEST_BASE}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} + ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 3,1 frag reasembly time exceeded, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-31fragreassemblytimeexceeded-inet-OPE.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_none_2.lua echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} + ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ - ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap + ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ + ${TEST_BASE}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua # Ingress filters echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ @@ -383,7 +415,8 @@ snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} + ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ @@ -395,7 +428,8 @@ snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ echo "Testing: egress-filter: to-internet (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} + ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ + ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: egress-filter: to-internet (IPv4) (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ @@ -405,7 +439,8 @@ snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: egress-filter: to-b4 (IPv4) (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ @@ -414,13 +449,14 @@ snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ echo "Testing: ICMP Echo to AFTR (IPv4)" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/ping-v4.pcap ${EMPTY} ${TEST_BASE}/ping-v4-reply.pcap ${EMPTY} + ${TEST_BASE}/ping-v4.pcap ${EMPTY} ${TEST_BASE}/ping-v4-reply.pcap ${EMPTY} echo "Testing: ICMP Echo to AFTR (IPv4) + data" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/ping-v4-and-data.pcap ${EMPTY} \ ${TEST_BASE}/ping-v4-reply.pcap \ - ${TEST_BASE}/tcp-afteraftr-ipv6.pcap + ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ + ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: ICMP Echo to AFTR (IPv6)" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ From ce9a564e0398dae3dabe3dd84f3bfd0cdae95d5f Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Mon, 16 May 2016 16:38:03 +0200 Subject: [PATCH 096/340] Update all end-to-end tests, vlan ones included, so that they check the counters' values too --- src/apps/lwaftr/lwaftr.lua | 2 +- .../lwaftr/tests/data/counters/empty.lua | 1 + ...inet_ipv4_in_binding_big_packet_df_set.lua | 0 .../from_to_b4_ipv6_hairpin.lua | 0 ...rom_to_b4_tunneled_icmpv4_ping_hairpin.lua | 0 ...4_tunneled_icmpv4_ping_hairpin_unbound.lua | 0 .../in_1p_ipv4_out_1p_icmpv4_1.lua | 0 .../in_1p_ipv4_out_1p_ipv6_1.lua | 0 .../in_1p_ipv4_out_1p_ipv6_2.lua | 0 .../in_1p_ipv4_out_1p_ipv6_3.lua | 0 .../in_1p_ipv4_out_1p_ipv6_4.lua | 0 .../in_1p_ipv4_out_1p_ipv6_5.lua | 0 .../in_1p_ipv4_out_1p_ipv6_6.lua | 0 .../in_1p_ipv4_out_1p_ipv6_7.lua | 0 .../in_1p_ipv4_out_1p_ipv6_8.lua | 0 .../{ => counters}/in_1p_ipv4_out_none_1.lua | 0 .../{ => counters}/in_1p_ipv4_out_none_2.lua | 0 .../in_1p_ipv6_out_1p_icmpv4_1.lua | 0 .../in_1p_ipv6_out_1p_icmpv6_1.lua | 0 .../in_1p_ipv6_out_1p_icmpv6_2.lua | 0 .../in_1p_ipv6_out_1p_ipv4_1.lua | 0 .../in_1p_ipv6_out_1p_ipv4_2.lua | 0 .../in_1p_ipv6_out_1p_ipv4_3.lua | 0 .../in_1p_ipv6_out_1p_ipv4_4.lua | 0 .../in_1p_ipv6_out_1p_ipv4_5.lua | 0 .../{ => counters}/in_1p_ipv6_out_none_1.lua | 0 .../{ => counters}/in_1p_ipv6_out_none_2.lua | 0 ...in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua | 0 ...in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua | 0 .../ndp_no_na_next_hop6_mac_not_set.lua | 0 .../tests/end-to-end/end-to-end-vlan.sh | 237 ++++++++++++------ .../lwaftr/tests/end-to-end/end-to-end.sh | 172 +++++++------ 32 files changed, 255 insertions(+), 157 deletions(-) create mode 100644 src/program/lwaftr/tests/data/counters/empty.lua rename src/program/lwaftr/tests/data/{ => counters}/from_inet_ipv4_in_binding_big_packet_df_set.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/from_to_b4_ipv6_hairpin.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv4_out_1p_icmpv4_1.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv4_out_1p_ipv6_1.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv4_out_1p_ipv6_2.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv4_out_1p_ipv6_3.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv4_out_1p_ipv6_4.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv4_out_1p_ipv6_5.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv4_out_1p_ipv6_6.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv4_out_1p_ipv6_7.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv4_out_1p_ipv6_8.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv4_out_none_1.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv4_out_none_2.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv6_out_1p_icmpv4_1.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv6_out_1p_icmpv6_1.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv6_out_1p_icmpv6_2.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv6_out_1p_ipv4_1.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv6_out_1p_ipv4_2.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv6_out_1p_ipv4_3.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv6_out_1p_ipv4_4.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv6_out_1p_ipv4_5.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv6_out_none_1.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_1p_ipv6_out_none_2.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua (100%) rename src/program/lwaftr/tests/data/{ => counters}/ndp_no_na_next_hop6_mac_not_set.lua (100%) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 6ef9dd64f5..90a86b0009 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -221,7 +221,7 @@ function LwAftr:new(conf) -- The "size" field always comes last. -- TODO: should the "drop_all_ipv4/6" aggregate counters be incremented all -- over the place, with the related runtime cost, or computed by summing - -- the relevant counters less frequently? + -- the relevant counters less frequently or upon access? local counters_dir = "app/lwaftr/counters/" o.counters = {} diff --git a/src/program/lwaftr/tests/data/counters/empty.lua b/src/program/lwaftr/tests/data/counters/empty.lua new file mode 100644 index 0000000000..a564707544 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/empty.lua @@ -0,0 +1 @@ +return {} diff --git a/src/program/lwaftr/tests/data/from_inet_ipv4_in_binding_big_packet_df_set.lua b/src/program/lwaftr/tests/data/counters/from_inet_ipv4_in_binding_big_packet_df_set.lua similarity index 100% rename from src/program/lwaftr/tests/data/from_inet_ipv4_in_binding_big_packet_df_set.lua rename to src/program/lwaftr/tests/data/counters/from_inet_ipv4_in_binding_big_packet_df_set.lua diff --git a/src/program/lwaftr/tests/data/from_to_b4_ipv6_hairpin.lua b/src/program/lwaftr/tests/data/counters/from_to_b4_ipv6_hairpin.lua similarity index 100% rename from src/program/lwaftr/tests/data/from_to_b4_ipv6_hairpin.lua rename to src/program/lwaftr/tests/data/counters/from_to_b4_ipv6_hairpin.lua diff --git a/src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin.lua b/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin.lua similarity index 100% rename from src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin.lua rename to src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin.lua diff --git a/src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua b/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua similarity index 100% rename from src/program/lwaftr/tests/data/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua rename to src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_icmpv4_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_icmpv4_1.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_icmpv4_1.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_icmpv4_1.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_1.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_1.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_1.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_2.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_2.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_2.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_2.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_3.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_3.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_3.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_3.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_4.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_4.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_4.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_4.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_5.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_5.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_5.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_5.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_6.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_6.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_6.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_6.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_7.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_7.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_7.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_7.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_8.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_8.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv4_out_1p_ipv6_8.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_8.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_none_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_1.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv4_out_none_1.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_1.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv4_out_none_2.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_2.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv4_out_none_2.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_2.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv4_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv4_1.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv4_1.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv4_1.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_1.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_1.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_1.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_2.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_2.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_icmpv6_2.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_2.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_1.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_1.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_1.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_2.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_2.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_2.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_2.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_3.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_3.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_3.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_3.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_4.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_4.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_4.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_4.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_5.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_5.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv6_out_1p_ipv4_5.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_5.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_none_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_1.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv6_out_none_1.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_1.lua diff --git a/src/program/lwaftr/tests/data/in_1p_ipv6_out_none_2.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_2.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_1p_ipv6_out_none_2.lua rename to src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_2.lua diff --git a/src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua b/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua rename to src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua diff --git a/src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua b/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua similarity index 100% rename from src/program/lwaftr/tests/data/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua rename to src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua diff --git a/src/program/lwaftr/tests/data/ndp_no_na_next_hop6_mac_not_set.lua b/src/program/lwaftr/tests/data/counters/ndp_no_na_next_hop6_mac_not_set.lua similarity index 100% rename from src/program/lwaftr/tests/data/ndp_no_na_next_hop6_mac_not_set.lua rename to src/program/lwaftr/tests/data/counters/ndp_no_na_next_hop6_mac_not_set.lua diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index 124994191b..9ac0592661 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -5,6 +5,7 @@ TEST_CONF=../data TEST_DATA=../data/vlan TEST_OUT=/tmp EMPTY=${TEST_CONF}/empty.pcap +COUNTERS=${TEST_CONF}/counters if [[ $EUID -ne 0 ]]; then echo "This script must be run as root" 1>&2 @@ -25,54 +26,66 @@ function scmp { function snabb_run_and_cmp { rm -f ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap - if [ -z $5 ]; then + if [ -z $6 ]; then echo "not enough arguments to snabb_run_and_cmp" exit 1 fi - ${SNABB_LWAFTR} check \ - $1 $2 $3 ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap || quit_with_msg \ - "Failure: ${SNABB_LWAFTR} check \ + $1 $2 $3 \ + ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6 || + quit_with_msg "Failure: ${SNABB_LWAFTR} check \ $1 $2 $3 \ - ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap" + ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6" scmp $4 ${TEST_OUT}/endoutv4.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5" + "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" scmp $5 ${TEST_OUT}/endoutv6.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5" + "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" echo "Test passed" } echo "Testing: from-internet IPv4 packet found in the binding table." snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6.pcap + ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: traffic class mapping" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap + ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: NDP: incoming NDP Neighbor Solicitation" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/ndp_incoming_ns.pcap \ - ${EMPTY} ${TEST_DATA}/ndp_outgoing_solicited_na.pcap + ${EMPTY} ${TEST_DATA}/ndp_outgoing_solicited_na.pcap \ + ${COUNTERS}/empty.lua + +echo "Testing: NDP: incoming NDP Neighbor Solicitation, secondary IP" +snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ + ${EMPTY} ${TEST_DATA}/ndp_incoming_ns_secondary.pcap \ + ${EMPTY} ${TEST_DATA}/ndp_outgoing_solicited_na_secondary.pcap \ + ${COUNTERS}/empty.lua echo "Testing: NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/ndp_incoming_ns_nonlwaftr.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: NDP: IPv6 but not eth addr of next IPv6 hop set, do Neighbor Solicitation" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_withoutmac_vlan.conf \ ${EMPTY} ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/ndp_outgoing_ns.pcap + ${EMPTY} ${TEST_DATA}/ndp_outgoing_ns.pcap \ + ${COUNTERS}/empty.lua # mergecap -F pcap -w ndp_without_dst_eth_compound.pcap tcp-fromb4-ipv6.pcap tcp-fromb4-tob4-ipv6.pcap # mergecap -F pcap -w ndp_ns_and_recap.pcap recap-ipv6.pcap ndp_outgoing_ns.pcap echo "Testing: NDP: Without receiving NA, next_hop6_mac not set" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_withoutmac_vlan.conf \ ${EMPTY} ${TEST_DATA}/ndp_without_dst_eth_compound.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ndp_outgoing_ns.pcap + ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ndp_outgoing_ns.pcap \ + ${COUNTERS}/ndp_no_na_next_hop6_mac_not_set.lua # mergecap -F pcap -w ndp_getna_compound.pcap tcp-fromb4-ipv6.pcap \ # ndp_incoming_solicited_na.pcap tcp-fromb4-tob4-ipv6.pcap @@ -80,107 +93,128 @@ snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_withoutmac_vlan.conf \ echo "Testing: NDP: With receiving NA, next_hop6_mac not initially set" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_withoutmac_vlan.conf \ ${EMPTY} ${TEST_DATA}/ndp_getna_compound.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ndp_ns_and_recap.pcap + ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ndp_ns_and_recap.pcap \ + ${COUNTERS}/ndp_no_na_next_hop6_mac_not_set.lua echo "Testing: ARP: incoming ARP request" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/arp_request_recv.pcap ${EMPTY} \ - ${TEST_DATA}/arp_reply_send.pcap ${EMPTY} + ${TEST_DATA}/arp_reply_send.pcap ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_without_mac4_vlan.conf \ ${EMPTY} ${EMPTY} \ - ${TEST_DATA}/arp_request_send.pcap ${EMPTY} + ${TEST_DATA}/arp_request_send.pcap ${EMPTY} \ + ${COUNTERS}/empty.lua -echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." +echo "Testing: from-internet IPv4 fragmented packets found in the binding table" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${TEST_DATA}/tcp-frominet-bound-ttl1.pcap ${EMPTY}\ - ${TEST_DATA}/icmpv4-time-expired.pcap ${EMPTY} + ${TEST_DATA}/tcp-ipv4-3frags-bound.pcap ${EMPTY} \ + ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-reassembled.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_2.lua -echo "Testing: from-internet IPv4 fragmented packets found in the binding table" +echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${TEST_DATA}/tcp-ipv4-3frags-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-reassembled.pcap + ${TEST_DATA}/tcp-frominet-bound-ttl1.pcap ${EMPTY}\ + ${TEST_DATA}/icmpv4-time-expired.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua echo "Testing: from-B4 IPv4 fragmentation (2)" snabb_run_and_cmp ${TEST_CONF}/small_ipv4_mtu_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-ipv6-fromb4-toinet-1046.pcap \ - ${TEST_DATA}/tcp-ipv4-toinet-2fragments.pcap ${EMPTY} + ${TEST_DATA}/tcp-ipv4-toinet-2fragments.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_1.lua echo "Testing: from-B4 IPv4 fragmentation (3)" snabb_run_and_cmp ${TEST_CONF}/small_ipv4_mtu_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-ipv6-fromb4-toinet-1500.pcap \ - ${TEST_DATA}/tcp-ipv4-toinet-3fragments.pcap ${EMPTY} + ${TEST_DATA}/tcp-ipv4-toinet-3fragments.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_2.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (2)." snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound1494.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-2frags.pcap + ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-2frags.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_3.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (3)." snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound-2734.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-3frags.pcap + ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-3frags.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_4.lua echo "Testing: IPv6 reassembly (followed by decapsulation)." snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-ipv6-2frags-bound.pcap \ - ${TEST_DATA}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} + ${TEST_DATA}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_3.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4." snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${TEST_DATA}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} + ${TEST_DATA}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} \ + ${COUNTERS}/from_inet_ipv4_in_binding_big_packet_df_set.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${TEST_DATA}/tcp-frominet-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in_1p_ipv4_out_none_1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (matches IPv4, but not port), no ICMP." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${TEST_DATA}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in_1p_ipv4_out_none_1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (ICMP-on-fail)." snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-unbound.pcap ${EMPTY} \ - ${TEST_DATA}/icmpv4-dst-host-unreachable.pcap ${EMPTY} + ${TEST_DATA}/icmpv4-dst-host-unreachable.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (matches IPv4, but not port) (ICMP-on-fail)." snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ - ${TEST_DATA}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} + ${TEST_DATA}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${TEST_DATA}/tcp-afteraftr-ipv6.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} + ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, no ICMP" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-unbound.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_none_1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (matches IPv4, but not port), no ICMP" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_none_1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (ICMP-on-fail)" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-unbound.pcap \ - ${EMPTY} ${TEST_DATA}/icmpv6-nogress.pcap + ${EMPTY} ${TEST_DATA}/icmpv6-nogress.pcap \ + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (matches IPv4, but not port) (ICMP-on-fail)" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ - ${EMPTY} ${TEST_DATA}/icmpv6-nogress-ip-bound-port-unbound.pcap + ${EMPTY} ${TEST_DATA}/icmpv6-nogress-ip-bound-port-unbound.pcap \ + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_1.lua echo "Testing: from-to-b4 IPv6 packet, no hairpinning" # The idea is that with hairpinning off, the packet goes out the inet interface @@ -188,12 +222,14 @@ echo "Testing: from-to-b4 IPv6 packet, no hairpinning" # this would be desired behaviour, but it's my reading of the RFC. snabb_run_and_cmp ${TEST_CONF}/no_hairpin_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6.pcap \ - ${TEST_DATA}/decap-ipv4-nohair.pcap ${EMPTY} + ${TEST_DATA}/decap-ipv4-nohair.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: from-to-b4 IPv6 packet, with hairpinning" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6.pcap \ - ${EMPTY} ${TEST_DATA}/recap-ipv6.pcap + ${EMPTY} ${TEST_DATA}/recap-ipv6.pcap \ + ${COUNTERS}/from_to_b4_ipv6_hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" # Ping from 127:11:12:13:14:15:16:128 / 178.79.150.233+7850 to @@ -201,192 +237,231 @@ echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" # not port-restricted. snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-request.pcap \ - ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-request-from-aftr.pcap + ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-request-from-aftr.pcap \ + ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning" # As above, but a reply instead. snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply.pcap \ - ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-from-aftr.pcap + ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-from-aftr.pcap \ + ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning, unbound" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-request-unbound.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning, port 0 not bound" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-unbound.pcap \ - ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap + ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_2.lua echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap + ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ + ${COUNTERS}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-customBRIP-ipv6.pcap \ - ${EMPTY} ${TEST_DATA}/recap-tocustom-BRIP-ipv6.pcap + ${EMPTY} ${TEST_DATA}/recap-tocustom-BRIP-ipv6.pcap \ + ${COUNTERS}/from_to_b4_ipv6_hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, from B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-customBRIP-tob4-ipv6.pcap \ - ${EMPTY} ${TEST_DATA}/recap-fromcustom-BRIP-ipv6.pcap + ${EMPTY} ${TEST_DATA}/recap-fromcustom-BRIP-ipv6.pcap \ + ${COUNTERS}/from_to_b4_ipv6_hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, different non-default lwAFTR addresses" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap \ - ${EMPTY} ${TEST_DATA}/recap-customBR-IPs-ipv6.pcap + ${EMPTY} ${TEST_DATA}/recap-customBR-IPs-ipv6.pcap \ + ${COUNTERS}/from_to_b4_ipv6_hairpin.lua # Test UDP packets + echo "Testing: from-internet bound IPv4 UDP packet" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/udp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/udp-afteraftr-ipv6.pcap + ${EMPTY} ${TEST_DATA}/udp-afteraftr-ipv6.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua echo "Testing: unfragmented IPv4 UDP -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${TEST_DATA}/udp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/udp-afteraftr-ipv6-2frags.pcap + ${EMPTY} ${TEST_DATA}/udp-afteraftr-ipv6-2frags.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua echo "Testing: IPv6 incoming UDP fragments -> unfragmented IPv4" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${EMPTY} ${TEST_DATA}/udp-fromb4-2frags-bound.pcap \ - ${TEST_DATA}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} + ${TEST_DATA}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_5.lua echo "Testing: IPv6 incoming UDP fragments -> outgoing IPv4 UDP fragments" snabb_run_and_cmp ${TEST_CONF}/small_ipv4_mtu_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/udp-fromb4-2frags-bound.pcap \ - ${TEST_DATA}/udp-afteraftr-ipv4-3frags.pcap ${EMPTY} + ${TEST_DATA}/udp-afteraftr-ipv4-3frags.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_5.lua echo "Testing: IPv4 incoming UDP fragments -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${TEST_DATA}/udp-frominet-3frag-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/udp-afteraftr-reassembled-ipv6-2frags.pcap + ${EMPTY} ${TEST_DATA}/udp-afteraftr-reassembled-ipv6-2frags.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua # Test ICMP inputs (with and without drop policy) + echo "Testing: incoming ICMPv4 echo request, matches binding table" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-echo-request.pcap + ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-echo-request.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_7.lua -echo "Testing: incoming ICMPv4 echo request, matches binding table" +echo "Testing: incoming ICMPv4 echo request, matches binding table, bad checksum" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-request-invalid-icmp-checksum.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in_1p_ipv4_out_none_2.lua echo "Testing: incoming ICMPv4 echo request, matches binding table, dropping ICMP" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in_1p_ipv4_out_none_2.lua echo "Testing: incoming ICMPv4 echo request, doesn't match binding table" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-request-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in_1p_ipv4_out_none_2.lua echo "Testing: incoming ICMPv4 echo reply, matches binding table" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-reply.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-echo-reply.pcap + ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-echo-reply.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_7.lua echo "Testing: incoming ICMPv4 3,4 'too big' notification, matches binding table" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-34toobig.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-34toobig.pcap + ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-34toobig.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_8.lua echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ - ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} + ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ - ${TEST_DATA}/response-ipv4-icmp34-inet.pcap ${EMPTY} + ${TEST_DATA}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ - ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} + ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 3,1 frag reasembly time exceeded, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-31fragreassemblytimeexceeded-inet-OPE.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_none_2.lua echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ - ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} + ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ - ${EMPTY} ${TEST_DATA}/response-ipv6-tunneled-icmpv4_31-tob4.pcap + ${EMPTY} ${TEST_DATA}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ + ${COUNTERS}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua # Ingress filters echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (ACCEPT)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap + ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (DROP)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (ACCEPT)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} + ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DROP)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua # Egress filters echo "Testing: egress-filter: to-internet (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} + ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} \ + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: egress-filter: to-internet (IPv4) (DROP)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap + ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: egress-filter: to-b4 (IPv4) (DROP)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: ICMP Echo to AFTR (IPv4)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${TEST_DATA}/ping-v4.pcap ${EMPTY} ${TEST_DATA}/ping-v4-reply.pcap ${EMPTY} + ${TEST_DATA}/ping-v4.pcap ${EMPTY} ${TEST_DATA}/ping-v4-reply.pcap ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: ICMP Echo to AFTR (IPv4) + data" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${TEST_DATA}/ping-v4-and-data.pcap ${EMPTY} \ - ${TEST_DATA}/ping-v4-reply.pcap \ - ${TEST_DATA}/tcp-afteraftr-ipv6.pcap + ${TEST_DATA}/ping-v4-and-data.pcap ${EMPTY} ${TEST_DATA}/ping-v4-reply.pcap \ + ${TEST_DATA}/tcp-afteraftr-ipv6.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: ICMP Echo to AFTR (IPv6)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${EMPTY} ${TEST_DATA}/ping-v6.pcap ${EMPTY} ${TEST_DATA}/ping-v6-reply.pcap + ${EMPTY} ${TEST_DATA}/ping-v6.pcap \ + ${EMPTY} ${TEST_DATA}/ping-v6-reply.pcap \ + ${COUNTERS}/empty.lua echo "Testing: ICMP Echo to AFTR (IPv6) + data" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${EMPTY} ${TEST_DATA}/ping-v6-and-data.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ping-v6-reply.pcap + ${EMPTY} ${TEST_DATA}/ping-v6-and-data.pcap \ + ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ping-v6-reply.pcap \ + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua echo "All end-to-end lwAFTR vlan tests passed." diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 5fefcac502..831f045ad5 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -4,6 +4,7 @@ SNABB_LWAFTR="../../../../snabb lwaftr" TEST_BASE=../data TEST_OUT=/tmp EMPTY=${TEST_BASE}/empty.pcap +COUNTERS=${TEST_BASE}/counters if [[ $EUID -ne 0 ]]; then echo "This script must be run as root" 1>&2 @@ -24,7 +25,7 @@ function scmp { function snabb_run_and_cmp { rm -f ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap - if [ -z $5 ]; then + if [ -z $6 ]; then echo "not enough arguments to snabb_run_and_cmp" exit 1 fi @@ -46,38 +47,49 @@ echo "Testing: from-internet IPv4 packet found in the binding table." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: from-internet IPv4 packet found in the binding table with vlan tag." snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ ${TEST_BASE}/tcp-frominet-bound-vlan.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-vlan.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: NDP: incoming NDP Neighbor Solicitation" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/ndp_incoming_ns.pcap \ - ${EMPTY} ${TEST_BASE}/ndp_outgoing_solicited_na.pcap + ${EMPTY} ${TEST_BASE}/ndp_outgoing_solicited_na.pcap \ + ${COUNTERS}/empty.lua + +echo "Testing: NDP: incoming NDP Neighbor Solicitation, secondary IP" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/ndp_incoming_ns_secondary.pcap \ + ${EMPTY} ${TEST_BASE}/ndp_outgoing_solicited_na_secondary.pcap \ + ${COUNTERS}/empty.lua echo "Testing: NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/ndp_incoming_ns_nonlwaftr.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: NDP: IPv6 but not eth addr of next IPv6 hop set, do Neighbor Solicitation" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap + ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap \ + ${COUNTERS}/empty.lua echo "Testing: ARP: incoming ARP request" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/arp_request_recv.pcap ${EMPTY} \ - ${TEST_BASE}/arp_reply_send.pcap ${EMPTY} + ${TEST_BASE}/arp_reply_send.pcap ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_without_mac4.conf \ ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/arp_request_send.pcap ${EMPTY} + ${TEST_BASE}/arp_request_send.pcap ${EMPTY} \ + ${COUNTERS}/empty.lua # mergecap -F pcap -w ndp_without_dst_eth_compound.pcap tcp-fromb4-ipv6.pcap tcp-fromb4-tob4-ipv6.pcap # mergecap -F pcap -w ndp_ns_and_recap.pcap recap-ipv6.pcap ndp_outgoing_ns.pcap @@ -85,7 +97,7 @@ echo "Testing: NDP: Without receiving NA, next_hop6_mac not set" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${TEST_BASE}/ndp_without_dst_eth_compound.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_outgoing_ns.pcap \ - ${TEST_BASE}/ndp_no_na_next_hop6_mac_not_set.lua + ${COUNTERS}/ndp_no_na_next_hop6_mac_not_set.lua # mergecap -F pcap -w ndp_getna_compound.pcap tcp-fromb4-ipv6.pcap \ # ndp_incoming_solicited_na.pcap tcp-fromb4-tob4-ipv6.pcap @@ -94,131 +106,133 @@ echo "Testing: NDP: With receiving NA, next_hop6_mac not initially set" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${TEST_BASE}/ndp_getna_compound.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_ns_and_recap.pcap \ - ${TEST_BASE}/ndp_no_na_next_hop6_mac_not_set.lua + ${COUNTERS}/ndp_no_na_next_hop6_mac_not_set.lua echo "Testing: IPv6 packet, next hop NA, packet, eth addr not set in configuration." snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap + ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap \ + ${COUNTERS}/empty.lua echo "Testing: from-internet IPv4 fragmented packets found in the binding table." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-ipv4-3frags-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-reassembled.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_2.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_2.lua echo "Testing: traffic class mapping" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-bound-ttl1.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-time-expired.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv4_out_1p_icmpv4_1.lua + ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua echo "Testing: from-B4 IPv4 fragmentation (2)" snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1046.pcap \ ${TEST_BASE}/tcp-ipv4-toinet-2fragments.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_1.lua + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_1.lua echo "Testing: from-B4 IPv4 fragmentation (3)" snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1500.pcap \ ${TEST_BASE}/tcp-ipv4-toinet-3fragments.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_2.lua + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_2.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (2)." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/tcp-frominet-bound1494.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-2frags.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_3.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_3.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (3)." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/tcp-frominet-bound-2734.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-3frags.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_4.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_4.lua echo "Testing: IPv6 reassembly (followed by decapsulation)." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_3.lua + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_3.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${TEST_BASE}/from_inet_ipv4_in_binding_big_packet_df_set.lua + ${COUNTERS}/from_inet_ipv4_in_binding_big_packet_df_set.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv4_out_none_1.lua + ${COUNTERS}/in_1p_ipv4_out_none_1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't), no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv4_out_none_1.lua + ${COUNTERS}/in_1p_ipv4_out_none_1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (ICMP-on-fail)." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-dst-host-unreachable.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv4_out_1p_icmpv4_1.lua + ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv4_out_1p_icmpv4_1.lua + ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/tcp-afteraftr-ipv6.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: from-b4 to-internet IPv6 packet found in the binding table with vlan tag." snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-vlan.pcap \ ${TEST_BASE}/decap-ipv4-vlan.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, no ICMP" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_none_1.lua + ${COUNTERS}/in_1p_ipv6_out_none_1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, (IPv4 matches, but port doesn't), no ICMP" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_none_1.lua + ${COUNTERS}/in_1p_ipv6_out_none_1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (ICMP-on-fail)" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ ${EMPTY} ${TEST_BASE}/icmpv6-nogress.pcap \ - ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv6_1.lua + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ ${EMPTY} ${TEST_BASE}/icmpv6-nogress-ip-bound-port-unbound.pcap \ - ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv6_1.lua + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_1.lua echo "Testing: from-to-b4 IPv6 packet, no hairpinning" # The idea is that with hairpinning off, the packet goes out the inet interface @@ -227,13 +241,13 @@ echo "Testing: from-to-b4 IPv6 packet, no hairpinning" snabb_run_and_cmp ${TEST_BASE}/no_hairpin.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ ${TEST_BASE}/decap-ipv4-nohair.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: from-to-b4 IPv6 packet, with hairpinning" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ ${EMPTY} ${TEST_BASE}/recap-ipv6.pcap \ - ${TEST_BASE}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from_to_b4_ipv6_hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" # Ping from 127:11:12:13:14:15:16:128 / 178.79.150.233+7850 to @@ -242,56 +256,56 @@ echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request.pcap \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-from-aftr.pcap \ - ${TEST_BASE}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua + ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning" # As above, but a reply instead. snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply.pcap \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-from-aftr.pcap \ - ${TEST_BASE}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua + ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning, unbound" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-unbound.pcap \ ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua + ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning, port 0 not bound" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound.pcap \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ - ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv6_2.lua + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_2.lua echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ - ${TEST_BASE}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua + ${COUNTERS}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua echo "Testing: from-to-b4 IPv6 packet, with hairpinning, with vlan tag" snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-vlan.pcap \ ${EMPTY} ${TEST_BASE}/recap-ipv6-vlan.pcap \ - ${TEST_BASE}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from_to_b4_ipv6_hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-customBRIP-ipv6.pcap \ ${EMPTY} ${TEST_BASE}/recap-tocustom-BRIP-ipv6.pcap \ - ${TEST_BASE}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from_to_b4_ipv6_hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, from B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP-tob4-ipv6.pcap \ ${EMPTY} ${TEST_BASE}/recap-fromcustom-BRIP-ipv6.pcap \ - ${TEST_BASE}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from_to_b4_ipv6_hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, different non-default lwAFTR addresses" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap \ ${EMPTY} ${TEST_BASE}/recap-customBR-IPs-ipv6.pcap \ - ${TEST_BASE}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from_to_b4_ipv6_hairpin.lua # Test UDP packets @@ -299,31 +313,31 @@ echo "Testing: from-internet bound IPv4 UDP packet" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_6.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua echo "Testing: unfragmented IPv4 UDP -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6-2frags.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_6.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua echo "Testing: IPv6 incoming UDP fragments -> unfragmented IPv4" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ ${TEST_BASE}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_5.lua + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_5.lua echo "Testing: IPv6 incoming UDP fragments -> outgoing IPv4 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ ${TEST_BASE}/udp-afteraftr-ipv4-3frags.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_5.lua + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_5.lua echo "Testing: IPv4 incoming UDP fragments -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/udp-frominet-3frag-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/udp-afteraftr-reassembled-ipv6-2frags.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_6.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua # Test ICMP inputs (with and without drop policy) @@ -331,73 +345,73 @@ echo "Testing: incoming ICMPv4 echo request, matches binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-request.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_7.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_7.lua echo "Testing: incoming ICMPv4 echo request, matches binding table, bad checksum" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request-invalid-icmp-checksum.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv4_out_none_2.lua + ${COUNTERS}/in_1p_ipv4_out_none_2.lua echo "Testing: incoming ICMPv4 echo request, matches binding table, dropping ICMP" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv4_out_none_2.lua + ${COUNTERS}/in_1p_ipv4_out_none_2.lua echo "Testing: incoming ICMPv4 echo request, doesn't match binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request-unbound.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv4_out_none_2.lua + ${COUNTERS}/in_1p_ipv4_out_none_2.lua echo "Testing: incoming ICMPv4 echo reply, matches binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-reply.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-reply.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_7.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_7.lua echo "Testing: incoming ICMPv4 3,4 'too big' notification, matches binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-34toobig.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-34toobig.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_8.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_8.lua echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 3,1 frag reasembly time exceeded, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-31fragreassemblytimeexceeded-inet-OPE.pcap \ ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_none_2.lua + ${COUNTERS}/in_1p_ipv6_out_none_2.lua echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ - ${TEST_BASE}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua + ${COUNTERS}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua # Ingress filters @@ -405,23 +419,25 @@ echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding tabl snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua # Egress filters @@ -429,42 +445,48 @@ echo "Testing: egress-filter: to-internet (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${TEST_BASE}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua echo "Testing: egress-filter: to-internet (IPv4) (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: egress-filter: to-b4 (IPv4) (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: ICMP Echo to AFTR (IPv4)" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/ping-v4.pcap ${EMPTY} ${TEST_BASE}/ping-v4-reply.pcap ${EMPTY} + ${TEST_BASE}/ping-v4.pcap ${EMPTY} \ + ${TEST_BASE}/ping-v4-reply.pcap ${EMPTY} \ + ${COUNTERS}/empty.lua echo "Testing: ICMP Echo to AFTR (IPv4) + data" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/ping-v4-and-data.pcap ${EMPTY} \ - ${TEST_BASE}/ping-v4-reply.pcap \ - ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ - ${TEST_BASE}/in_1p_ipv4_out_1p_ipv6_1.lua + ${TEST_BASE}/ping-v4-and-data.pcap ${EMPTY} \ + ${TEST_BASE}/ping-v4-reply.pcap ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ + ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua echo "Testing: ICMP Echo to AFTR (IPv6)" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/ping-v6.pcap ${EMPTY} ${TEST_BASE}/ping-v6-reply.pcap + ${EMPTY} ${TEST_BASE}/ping-v6.pcap \ + ${EMPTY} ${TEST_BASE}/ping-v6-reply.pcap \ + ${COUNTERS}/empty.lua echo "Testing: ICMP Echo to AFTR (IPv6) + data" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/ping-v6-and-data.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ping-v6-reply.pcap + ${EMPTY} ${TEST_BASE}/ping-v6-and-data.pcap \ + ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ping-v6-reply.pcap \ + ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua echo "All end-to-end lwAFTR tests passed." From c1d09a5e1cf42f74db82af9ec06d6378b8f9376b Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Tue, 17 May 2016 13:40:55 +0200 Subject: [PATCH 097/340] Moved counters' declaration to a single table, used dashes in all names, no underscores anymore --- src/apps/lwaftr/lwaftr.lua | 324 ++++++++---------- src/program/lwaftr/check/check.lua | 42 +-- ...inet_ipv4_in_binding_big_packet_df_set.lua | 12 +- .../data/counters/from_to_b4_ipv6_hairpin.lua | 16 +- ...rom_to_b4_tunneled_icmpv4_ping_hairpin.lua | 16 +- ...4_tunneled_icmpv4_ping_hairpin_unbound.lua | 12 +- .../counters/in_1p_ipv4_out_1p_icmpv4_1.lua | 12 +- .../counters/in_1p_ipv4_out_1p_ipv6_1.lua | 8 +- .../counters/in_1p_ipv4_out_1p_ipv6_2.lua | 8 +- .../counters/in_1p_ipv4_out_1p_ipv6_3.lua | 8 +- .../counters/in_1p_ipv4_out_1p_ipv6_4.lua | 8 +- .../counters/in_1p_ipv4_out_1p_ipv6_5.lua | 8 +- .../counters/in_1p_ipv4_out_1p_ipv6_6.lua | 8 +- .../counters/in_1p_ipv4_out_1p_ipv6_7.lua | 8 +- .../counters/in_1p_ipv4_out_1p_ipv6_8.lua | 8 +- .../data/counters/in_1p_ipv4_out_none_1.lua | 4 +- .../data/counters/in_1p_ipv4_out_none_2.lua | 4 +- .../counters/in_1p_ipv6_out_1p_icmpv4_1.lua | 12 +- .../counters/in_1p_ipv6_out_1p_icmpv6_1.lua | 8 +- .../counters/in_1p_ipv6_out_1p_icmpv6_2.lua | 8 +- .../counters/in_1p_ipv6_out_1p_ipv4_1.lua | 8 +- .../counters/in_1p_ipv6_out_1p_ipv4_2.lua | 8 +- .../counters/in_1p_ipv6_out_1p_ipv4_3.lua | 8 +- .../counters/in_1p_ipv6_out_1p_ipv4_4.lua | 8 +- .../counters/in_1p_ipv6_out_1p_ipv4_5.lua | 8 +- .../data/counters/in_1p_ipv6_out_none_1.lua | 4 +- .../data/counters/in_1p_ipv6_out_none_2.lua | 4 +- ...in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua | 20 +- ...in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua | 20 +- .../ndp_no_na_next_hop6_mac_not_set.lua | 20 +- 30 files changed, 310 insertions(+), 332 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 90a86b0009..098f7cb407 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -42,6 +42,104 @@ local ethernet_header_size = constants.ethernet_header_size local n_ethertype_ipv4 = constants.n_ethertype_ipv4 local n_ethertype_ipv6 = constants.n_ethertype_ipv6 +-- COUNTERS +-- The lwAFTR counters all live in the same directory, and their filenames are +-- built out of ordered field values, separated by dashes. +-- Fields: +-- - direction: "in", "out", "hairpin", "drop"; +-- If "direction" is "drop": +-- - reason: reasons for dropping; +-- - protocol+version: "icmpv4", "icmpv6", "ipv4", "ipv6"; +-- - size: "bytes", "packets". +-- TODO: should the "drop-all-ipv4/6" aggregate counters be incremented all +-- over the place, with the related runtime cost, or computed by summing +-- the relevant counters less frequently or upon access? +local counters_dir = "app/lwaftr/counters/" +local counter_names = { + +-- Ingress. + "in-ipv4-bytes", + "in-ipv4-packets", + "in-ipv6-bytes", + "in-ipv6-packets", + +-- Egress IP. + "out-ipv4-bytes", + "out-ipv4-packets", + "out-ipv6-bytes", + "out-ipv6-packets", + +-- Egress ICMP. + "out-icmpv4-bytes", + "out-icmpv4-packets", + "out-icmpv6-bytes", + "out-icmpv6-packets", + +-- Hairpinning. + "hairpin-ipv4-bytes", + "hairpin-ipv4-packets", + +-- Drop v4. + +-- All dropped v4. TODO: implement. + "drop-all-ipv4-bytes", + "drop-all-ipv4-packets", +-- On IPv4 link, but not IPv4. + "drop-misplaced-ipv4-bytes", + "drop-misplaced-ipv4-packets", +-- No matching destination softwire. + "drop-no_dest_softwire-ipv4-bytes", + "drop-no_dest_softwire-ipv4-packets", +-- TTL is zero. + "drop-ttl_zero-ipv4-bytes", + "drop-ttl_zero-ipv4-packets", +-- Big packets exceeding MTU, but DF (Don't Fragment) flag set. + "drop-over_mtu_but_dont_fragment-ipv4-bytes", + "drop-over_mtu_but_dont_fragment-ipv4-packets", +-- Bad checksum. + "drop-bad_checksum-icmpv4-bytes", + "drop-bad_checksum-icmpv4-packets", +-- Policy of dropping incoming ICMPv4 packets. + "drop-in_by_policy-icmpv4-bytes", + "drop-in_by_policy-icmpv4-packets", +-- Policy of dropping outgoing ICMPv4 packets. + "drop-out_by_policy-icmpv4-bytes", + "drop-out_by_policy-icmpv4-packets", + +-- Drop v6. + +-- All dropped v6. TODO: implement. + "drop-all-ipv6-bytes", + "drop-all-ipv6-packets", +-- On IPv6 link, but not IPv6. + "drop-misplaced-ipv6-bytes", + "drop-misplaced-ipv6-packets", +-- Unknown IPv6 protocol. + "drop-unknown_protocol-ipv6-bytes", + "drop-unknown_protocol-ipv6-packets", +-- No matching source softwire. + "drop-no_source_softwire-ipv6-bytes", + "drop-no_source_softwire-ipv6-packets", +-- Unknown ICMPv6 type. + "drop-unknown_protocol-icmpv6-bytes", + "drop-unknown_protocol-icmpv6-packets", +-- "Packet too big" ICMPv6 type but not code. + "drop-too_big_type_but_not_code-icmpv6-bytes", + "drop-too_big_type_but_not_code-icmpv6-packets", +-- Time-limit-exceeded, but not hop limit. + "drop-over_time_but_not_hop_limit-icmpv6-bytes", + "drop-over_time_but_not_hop_limit-icmpv6-packets", +-- Rate limit reached. + "drop-over_rate_limit-icmpv6-bytes", + "drop-over_rate_limit-icmpv6-packets", +-- Policy of dropping incoming ICMPv6 packets. + "drop-in_by_policy-icmpv6-bytes", + "drop-in_by_policy-icmpv6-packets", +-- Policy of dropping outgoing ICMPv6 packets. + "drop-out_by_policy-icmpv6-bytes", + "drop-out_by_policy-icmpv6-packets", +} + local function get_ethernet_payload(pkt) return pkt.data + ethernet_header_size end @@ -166,12 +264,12 @@ local function init_transmit_icmpv6_with_rate_limit(lwstate) -- Send packet if limit not reached. if num_packets < icmpv6_rate_limiter_n_packets then num_packets = num_packets + 1 - counter.add(lwstate.counters.out_icmpv6_bytes, pkt.length) - counter.add(lwstate.counters.out_icmpv6_packets) + counter.add(lwstate.counters["out-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["out-icmpv6-packets"]) return transmit(o, pkt) else - counter.add(lwstate.counters.drop_ratlim_icmpv6_bytes, pkt.length) - counter.add(lwstate.counters.drop_ratlim_icmpv6_packets) + counter.add(lwstate.counters["drop-over_rate_limit-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-over_rate_limit-icmpv6-packets"]) return drop(pkt) end end @@ -209,132 +307,10 @@ function LwAftr:new(conf) o.control = channel.create('lwaftr/control', messages.lwaftr_message_t) - -- COUNTERS - -- lwAFTR counters all live in the same directory, and their filenames are - -- built out of ordered field values, separated by dashes. - -- Fields: - -- - direction: "in", "out", "hpin", "drop"; - -- If "direction" is "drop": - -- - reason: reasons for dropping; - -- - protocol+version: "icmpv4", "icmpv6", "ipv4", "ipv6"; - -- - size: "bytes", "packets". - -- The "size" field always comes last. - -- TODO: should the "drop_all_ipv4/6" aggregate counters be incremented all - -- over the place, with the related runtime cost, or computed by summing - -- the relevant counters less frequently or upon access? - local counters_dir = "app/lwaftr/counters/" o.counters = {} - - -- Ingress - o.counters.in_ipv4_bytes = counter.open(counters_dir .. "in-ipv4-bytes") - o.counters.in_ipv4_packets = counter.open(counters_dir .. "in-ipv4-packets") - o.counters.in_ipv6_bytes = counter.open(counters_dir .. "in-ipv6-bytes") - o.counters.in_ipv6_packets = counter.open(counters_dir .. "in-ipv6-packets") - -- Egress IP - o.counters.out_ipv4_bytes = counter.open(counters_dir .. "out-ipv4-bytes") - o.counters.out_ipv4_packets = counter.open(counters_dir .. "out-ipv4-packets") - o.counters.out_ipv6_bytes = counter.open(counters_dir .. "out-ipv6-bytes") - o.counters.out_ipv6_packets = counter.open(counters_dir .. "out-ipv6-packets") - -- Egress ICMP - o.counters.out_icmpv4_bytes = counter.open(counters_dir .. "out-icmpv4-bytes") - o.counters.out_icmpv4_packets = counter.open(counters_dir .. "out-icmpv4-packets") - o.counters.out_icmpv6_bytes = counter.open(counters_dir .. "out-icmpv6-bytes") - o.counters.out_icmpv6_packets = counter.open(counters_dir .. "out-icmpv6-packets") - -- Hairpinning - o.counters.hpin_ipv4_bytes = counter.open(counters_dir .. "hpin-ipv4-bytes") - o.counters.hpin_ipv4_packets = counter.open(counters_dir .. "hpin-ipv4-packets") - - -- Drop v4 - o.counters.drop_all_ipv4_bytes = counter.open( - counters_dir .. "drop-all-ipv4-bytes") - o.counters.drop_all_ipv4_packets = counter.open( - counters_dir .. "drop-all-ipv4-packets") - -- On IPv4 link, but not IPv4. - o.counters.drop_not_ipv4_bytes = counter.open( - counters_dir .. "drop-not-ipv4-bytes") - o.counters.drop_not_ipv4_packets = counter.open( - counters_dir .. "drop-not-ipv4-packets") - -- No matching destination softwire. - o.counters.drop_nodest_ipv4_bytes = counter.open( - counters_dir .. "drop-nodest-ipv4-bytes") - o.counters.drop_nodest_ipv4_packets = counter.open( - counters_dir .. "drop-nodest-ipv4-packets") - -- TTL is zero. - o.counters.drop_nottl_ipv4_bytes = counter.open( - counters_dir .. "drop-nottl-ipv4-bytes") - o.counters.drop_nottl_ipv4_packets = counter.open( - counters_dir .. "drop-nottl-ipv4-packets") - -- Big packets exceeding MTU, but DF (Don't Fragment) flag set. - o.counters.drop_2bigdf_ipv4_bytes = counter.open( - counters_dir .. "drop-2bigdf-ipv4-bytes") - o.counters.drop_2bigdf_ipv4_packets = counter.open( - counters_dir .. "drop-2bigdf-ipv4-packets") - -- Bad checksum. - o.counters.drop_badchk_icmpv4_bytes = counter.open( - counters_dir .. "drop-badchk-icmpv4-bytes") - o.counters.drop_badchk_icmpv4_packets = counter.open( - counters_dir .. "drop-badchk-icmpv4-packets") - -- Policy of dropping incoming ICMPv4 packets. - o.counters.drop_inplcy_icmpv4_bytes = counter.open( - counters_dir .. "drop-inplcy-icmpv4-bytes") - o.counters.drop_inplcy_icmpv4_packets = counter.open( - counters_dir .. "drop-inplcy-icmpv4-packets") - -- Policy of dropping outgoing ICMPv4 packets. - o.counters.drop_outplc_icmpv4_bytes = counter.open( - counters_dir .. "drop-outplc-icmpv4-bytes") - o.counters.drop_outplc_icmpv4_packets = counter.open( - counters_dir .. "drop-outplc-icmpv4-packets") - - -- Drop v6 - o.counters.drop_all_ipv6_bytes = counter.open( - counters_dir .. "drop-all-ipv6-bytes") - o.counters.drop_all_ipv6_packets = counter.open( - counters_dir .. "drop-all-ipv6-packets") - -- On IPv6 link, but not IPv6. - o.counters.drop_not_ipv6_bytes = counter.open( - counters_dir .. "drop-not-ipv6-bytes") - o.counters.drop_not_ipv6_packets = counter.open( - counters_dir .. "drop-not-ipv6-packets") - -- Unknown IPv6 protocol. - o.counters.drop_unknwn_ipv6_bytes = counter.open( - counters_dir .. "drop-unknwn-ipv6-bytes") - o.counters.drop_unknwn_ipv6_packets = counter.open( - counters_dir .. "drop-unknwn-ipv6-packets") - -- No matching source softwire. - o.counters.drop_nosrc_ipv6_bytes = counter.open( - counters_dir .. "drop-nosrc-ipv6-bytes") - o.counters.drop_nosrc_ipv6_packets = counter.open( - counters_dir .. "drop-nosrc-ipv6-packets") - -- Unknown ICMPv6 type. - o.counters.drop_unknwn_icmpv6_bytes = counter.open( - counters_dir .. "drop-unknwn-icmpv6-bytes") - o.counters.drop_unknwn_icmpv6_packets = counter.open( - counters_dir .. "drop-unknwn-icmpv6-packets") - -- "Packet too big" ICMPv6 type but not code. - o.counters.drop_nt2big_icmpv6_bytes = counter.open( - counters_dir .. "drop-nt2big-icmpv6-bytes") - o.counters.drop_nt2big_icmpv6_packets = counter.open( - counters_dir .. "drop-nt2big-icmpv6-packets") - -- Time-limit-exceeded, but not hop limit. - o.counters.drop_timhop_icmpv6_bytes = counter.open( - counters_dir .. "drop-timhop-icmpv6-bytes") - o.counters.drop_timhop_icmpv6_packets = counter.open( - counters_dir .. "drop-timhop-icmpv6-packets") - -- Rate limit reached. - o.counters.drop_ratlim_icmpv6_bytes = counter.open( - counters_dir .. "drop-ratlim-icmpv6-bytes") - o.counters.drop_ratlim_icmpv6_packets = counter.open( - counters_dir .. "drop-ratlim-icmpv6-packets") - -- Policy of dropping incoming ICMPv6 packets. - o.counters.drop_inplcy_icmpv6_bytes = counter.open( - counters_dir .. "drop-inplcy-icmpv6-bytes") - o.counters.drop_inplcy_icmpv6_packets = counter.open( - counters_dir .. "drop-inplcy-icmpv6-packets") - -- Policy of dropping outgoing ICMPv6 packets. - o.counters.drop_outplc_icmpv6_bytes = counter.open( - counters_dir .. "drop-outplc-icmpv6-bytes") - o.counters.drop_outplc_icmpv6_packets = counter.open( - counters_dir .. "drop-outplc-icmpv6-packets") + for _, name in ipairs(counter_names) do + o.counters[name] = counter.open(counters_dir .. name) + end transmit_icmpv6_with_rate_limit = init_transmit_icmpv6_with_rate_limit(o) if debug then lwdebug.pp(conf) end @@ -394,20 +370,20 @@ local function transmit_ipv4(lwstate, pkt) -- The destination address is managed by the lwAFTR, so we need to -- hairpin this packet. Enqueue on the IPv4 interface, as if it -- came from the internet. - counter.add(lwstate.counters.hpin_ipv4_bytes, pkt.length) - counter.add(lwstate.counters.hpin_ipv4_packets) + counter.add(lwstate.counters["hairpin-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["hairpin-ipv4-packets"]) return transmit(lwstate.input.v4, pkt) else - counter.add(lwstate.counters.out_ipv4_bytes, pkt.length) - counter.add(lwstate.counters.out_ipv4_packets) + counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["out-ipv4-packets"]) return transmit(lwstate.o4, pkt) end end local function transmit_icmpv4_reply(lwstate, pkt, orig_pkt) drop(orig_pkt) - counter.add(lwstate.counters.out_icmpv4_bytes, pkt.length) - counter.add(lwstate.counters.out_icmpv4_packets) + counter.add(lwstate.counters["out-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["out-icmpv4-packets"]) return transmit_ipv4(lwstate, pkt) end @@ -416,8 +392,8 @@ end local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then -- ICMP error messages off by policy; silently drop. - counter.add(lwstate.counters.drop_outplc_icmpv4_bytes, pkt.length) - counter.add(lwstate.counters.drop_outplc_icmpv4_packets) + counter.add(lwstate.counters["drop-out_by_policy-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-out_by_policy-icmpv4-packets"]) return drop(pkt) end @@ -425,8 +401,8 @@ local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) -- RFC 7596 section 8.1 requires us to silently drop incoming -- ICMPv4 messages that don't match the binding table. -- TODO: isn't this prevented by from_inet? - counter.add(lwstate.counters.drop_inplcy_icmpv4_bytes, pkt.length) - counter.add(lwstate.counters.drop_inplcy_icmpv4_packets) + counter.add(lwstate.counters["drop-in_by_policy-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-in_by_policy-icmpv4-packets"]) return drop(pkt) end @@ -447,8 +423,8 @@ end local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt) if lwstate.policy_icmpv6_outgoing == lwconf.policies['DROP'] then -- ICMP error messages off by policy; silently drop. - counter.add(lwstate.counters.drop_outplc_icmpv6_bytes, pkt.length) - counter.add(lwstate.counters.drop_outplc_icmpv6_packets) + counter.add(lwstate.counters["drop-out_by_policy-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-out_by_policy-icmpv6-packets"]) return drop(pkt) end @@ -497,9 +473,11 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) -- Do not encapsulate packets that now have a ttl of zero or wrapped around local ttl = decrement_ttl(pkt) if ttl == 0 then + counter.add(lwstate.counters["drop-ttl_zero-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-ttl_zero-ipv4-packets"]) if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then - counter.add(lwstate.counters.drop_outplc_icmpv4_bytes, pkt.length) - counter.add(lwstate.counters.drop_outplc_icmpv4_packets) + counter.add(lwstate.counters["drop-out_by_policy-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-out_by_policy-icmpv4-packets"]) return drop(pkt) end local ipv4_header = get_ethernet_payload(pkt) @@ -520,8 +498,8 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) local ether_dst = lwstate.next_hop6_mac if encapsulating_packet_with_df_flag_would_exceed_mtu(lwstate, pkt) then - counter.add(lwstate.counters.drop_2bigdf_ipv4_bytes, pkt.length) - counter.add(lwstate.counters.drop_2bigdf_ipv4_packets) + counter.add(lwstate.counters["drop-over_mtu_but_dont_fragment-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-over_mtu_but_dont_fragment-ipv4-packets"]) local reply = cannot_fragment_df_packet_error(lwstate, pkt) return transmit_icmpv4_reply(lwstate, reply, pkt) end @@ -542,8 +520,8 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) lwdebug.print_pkt(pkt) end - counter.add(lwstate.counters.out_ipv6_bytes, pkt.length) - counter.add(lwstate.counters.out_ipv6_packets) + counter.add(lwstate.counters["out-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["out-ipv6-packets"]) return transmit(lwstate.o6, pkt) end @@ -564,8 +542,8 @@ local function flush_encapsulation(lwstate) else -- Lookup failed. if debug then print("lookup failed") end - counter.add(lwstate.counters.drop_nodest_ipv4_bytes, pkt.length) - counter.add(lwstate.counters.drop_nodest_ipv4_packets) + counter.add(lwstate.counters["drop-no_dest_softwire-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-no_dest_softwire-ipv4-packets"]) drop_ipv4_packet_to_unreachable_host(lwstate, pkt) end end @@ -591,8 +569,8 @@ local function icmpv4_incoming(lwstate, pkt) local icmp_bytes = get_ipv4_total_length(ipv4_header) - ipv4_header_size if checksum.ipsum(icmp_header, icmp_bytes, 0) ~= 0 then -- Silently drop the packet, as per RFC 5508 - counter.add(lwstate.counters.drop_badchk_icmpv4_bytes, pkt.length) - counter.add(lwstate.counters.drop_badchk_icmpv4_packets) + counter.add(lwstate.counters["drop-bad_checksum-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-bad_checksum-icmpv4-packets"]) return drop(pkt) end @@ -639,8 +617,8 @@ local function from_inet(lwstate, pkt) local ipv4_header = get_ethernet_payload(pkt) if get_ipv4_proto(ipv4_header) == proto_icmp then if lwstate.policy_icmpv4_incoming == lwconf.policies['DROP'] then - counter.add(lwstate.counters.drop_inplcy_icmpv4_bytes, pkt.length) - counter.add(lwstate.counters.drop_inplcy_icmpv4_packets) + counter.add(lwstate.counters["drop-in_by_policy-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-in_by_policy-icmpv4-packets"]) return drop(pkt) else return icmpv4_incoming(lwstate, pkt) @@ -685,8 +663,8 @@ local function icmpv6_incoming(lwstate, pkt) if icmp_type == constants.icmpv6_packet_too_big then if icmp_code ~= constants.icmpv6_code_packet_too_big then -- Invalid code. - counter.add(lwstate.counters.drop_nt2big_icmpv6_bytes, pkt.length) - counter.add(lwstate.counters.drop_nt2big_icmpv6_packets) + counter.add(lwstate.counters["drop-too_big_type_but_not_code-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-too_big_type_but_not_code-icmpv6-packets"]) return drop(pkt) end local mtu = get_icmp_mtu(icmp_header) - constants.ipv6_fixed_header_size @@ -700,8 +678,8 @@ local function icmpv6_incoming(lwstate, pkt) -- If the time limit was exceeded, require it was a hop limit code if icmp_type == constants.icmpv6_time_limit_exceeded then if icmp_code ~= constants.icmpv6_hop_limit_exceeded then - counter.add(lwstate.counters.drop_timhop_icmpv6_bytes, pkt.length) - counter.add(lwstate.counters.drop_timhop_icmpv6_packets) + counter.add(lwstate.counters["drop-over_time_but_not_hop_limit-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-over_time_but_not_hop_limit-icmpv6-packets"]) return drop(pkt) end end @@ -712,8 +690,8 @@ local function icmpv6_incoming(lwstate, pkt) else -- No other types of ICMPv6, including echo request/reply, are -- handled. - counter.add(lwstate.counters.drop_unknwn_icmpv6_bytes, pkt.length) - counter.add(lwstate.counters.drop_unknwn_icmpv6_packets) + counter.add(lwstate.counters["drop-unknown_protocol-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-unknown_protocol-icmpv6-packets"]) return drop(pkt) end end @@ -735,8 +713,8 @@ local function flush_decapsulation(lwstate) n_ethertype_ipv4) transmit_ipv4(lwstate, pkt) else - counter.add(lwstate.counters.drop_nosrc_ipv6_bytes, pkt.length) - counter.add(lwstate.counters.drop_nosrc_ipv6_packets) + counter.add(lwstate.counters["drop-no_source_softwire-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-no_source_softwire-ipv6-packets"]) drop_ipv6_packet_from_bad_softwire(lwstate, pkt) end end @@ -755,16 +733,16 @@ local function from_b4(lwstate, pkt) if proto ~= proto_ipv4 then if proto == proto_icmpv6 then if lwstate.policy_icmpv6_incoming == lwconf.policies['DROP'] then - counter.add(lwstate.counters.drop_inplcy_icmpv6_bytes, pkt.length) - counter.add(lwstate.counters.drop_inplcy_icmpv6_packets) + counter.add(lwstate.counters["drop-in_by_policy-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-in_by_policy-icmpv6-packets"]) return drop(pkt) else return icmpv6_incoming(lwstate, pkt) end else -- Drop packet with unknown protocol. - counter.add(lwstate.counters.drop_unknwn_ipv6_bytes, pkt.length) - counter.add(lwstate.counters.drop_unknwn_ipv6_packets) + counter.add(lwstate.counters["drop-unknown_protocol-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-unknown_protocol-ipv6-packets"]) return drop(pkt) end end @@ -837,12 +815,12 @@ function LwAftr:push () -- that's not IPv6. local pkt = receive(i6) if is_ipv6(pkt) then - counter.add(self.counters.in_ipv6_bytes, pkt.length) - counter.add(self.counters.in_ipv6_packets) + counter.add(self.counters["in-ipv6-bytes"], pkt.length) + counter.add(self.counters["in-ipv6-packets"]) from_b4(self, pkt) else - counter.add(self.counters.drop_not_ipv6_bytes, pkt.length) - counter.add(self.counters.drop_not_ipv6_packets) + counter.add(self.counters["drop-misplaced-ipv6-bytes"], pkt.length) + counter.add(self.counters["drop-misplaced-ipv6-packets"]) drop(pkt) end end @@ -853,12 +831,12 @@ function LwAftr:push () -- packets. Drop anything that's not IPv4. local pkt = receive(i4) if is_ipv4(pkt) then - counter.add(self.counters.in_ipv4_bytes, pkt.length) - counter.add(self.counters.in_ipv4_packets) + counter.add(self.counters["in-ipv4-bytes"], pkt.length) + counter.add(self.counters["in-ipv4-packets"]) from_inet(self, pkt) else - counter.add(self.counters.drop_not_ipv4_bytes, pkt.length) - counter.add(self.counters.drop_not_ipv4_packets) + counter.add(self.counters["drop-misplaced-ipv4-bytes"], pkt.length) + counter.add(self.counters["drop-misplaced-ipv4-packets"]) drop(pkt) end end diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 84cb1fbb49..f7d7161bda 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -7,25 +7,25 @@ local lib = require("core.lib") local setup = require("program.lwaftr.setup") local counters_dir = "app/lwaftr/counters/" -local counters_paths = { - -- Ingress - in_ipv4_bytes = counters_dir .. "in-ipv4-bytes", - in_ipv4_packets = counters_dir .. "in-ipv4-packets", - in_ipv6_bytes = counters_dir .. "in-ipv6-bytes", - in_ipv6_packets = counters_dir .. "in-ipv6-packets", - -- Egress IP - out_ipv4_bytes = counters_dir .. "out-ipv4-bytes", - out_ipv4_packets = counters_dir .. "out-ipv4-packets", - out_ipv6_bytes = counters_dir .. "out-ipv6-bytes", - out_ipv6_packets = counters_dir .. "out-ipv6-packets", - -- Egress ICMP - out_icmpv4_bytes = counters_dir .. "out-icmpv4-bytes", - out_icmpv4_packets = counters_dir .. "out-icmpv4-packets", - out_icmpv6_bytes = counters_dir .. "out-icmpv6-bytes", - out_icmpv6_packets = counters_dir .. "out-icmpv6-packets", - -- Hairpinning - hpin_ipv4_bytes = counters_dir .. "hpin-ipv4-bytes", - hpin_ipv4_packets = counters_dir .. "hpin-ipv4-packets", +local counter_names = { +-- Ingress. + "in-ipv4-bytes", + "in-ipv4-packets", + "in-ipv6-bytes", + "in-ipv6-packets", +-- Egress IP. + "out-ipv4-bytes", + "out-ipv4-packets", + "out-ipv6-bytes", + "out-ipv6-packets", +-- Egress ICMP. + "out-icmpv4-bytes", + "out-icmpv4-packets", + "out-icmpv6-bytes", + "out-icmpv6-packets", +-- Hairpinning. + "hairpin-ipv4-bytes", + "hairpin-ipv4-packets", } function show_usage(code) @@ -47,8 +47,8 @@ end function read_counters(c) local results = {} - for name, path in pairs(counters_paths) do - local cnt = counter.open(path, "readonly") + for _, name in ipairs(counter_names) do + local cnt = counter.open(counters_dir .. name, "readonly") results[name] = counter.read(cnt) end return results diff --git a/src/program/lwaftr/tests/data/counters/from_inet_ipv4_in_binding_big_packet_df_set.lua b/src/program/lwaftr/tests/data/counters/from_inet_ipv4_in_binding_big_packet_df_set.lua index 78fbb28ea7..9e3d304a4c 100644 --- a/src/program/lwaftr/tests/data/counters/from_inet_ipv4_in_binding_big_packet_df_set.lua +++ b/src/program/lwaftr/tests/data/counters/from_inet_ipv4_in_binding_big_packet_df_set.lua @@ -1,10 +1,10 @@ return { - in_ipv4_bytes = 1494, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 1494, + ["in-ipv4-packets"] = 1, - out_ipv4_bytes = 590, - out_ipv4_packets = 1, + ["out-ipv4-bytes"] = 590, + ["out-ipv4-packets"] = 1, - out_icmpv4_bytes = 590, - out_icmpv4_packets = 1, + ["out-icmpv4-bytes"] = 590, + ["out-icmpv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/from_to_b4_ipv6_hairpin.lua b/src/program/lwaftr/tests/data/counters/from_to_b4_ipv6_hairpin.lua index b59921466f..39a6d9b496 100644 --- a/src/program/lwaftr/tests/data/counters/from_to_b4_ipv6_hairpin.lua +++ b/src/program/lwaftr/tests/data/counters/from_to_b4_ipv6_hairpin.lua @@ -1,12 +1,12 @@ return { - in_ipv4_bytes = 66, - in_ipv4_packets = 1, - in_ipv6_bytes = 106, - in_ipv6_packets = 1, + ["in-ipv4-bytes"] = 66, + ["in-ipv4-packets"] = 1, + ["in-ipv6-bytes"] = 106, + ["in-ipv6-packets"] = 1, - out_ipv6_bytes = 106, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 106, + ["out-ipv6-packets"] = 1, - hpin_ipv4_bytes = 66, - hpin_ipv4_packets = 1, + ["hairpin-ipv4-bytes"] = 66, + ["hairpin-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin.lua b/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin.lua index 0ac4310d65..4d366006ea 100644 --- a/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin.lua +++ b/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin.lua @@ -1,12 +1,12 @@ return { - in_ipv4_bytes = 98, - in_ipv4_packets = 1, - in_ipv6_bytes = 138, - in_ipv6_packets = 1, + ["in-ipv4-bytes"] = 98, + ["in-ipv4-packets"] = 1, + ["in-ipv6-bytes"] = 138, + ["in-ipv6-packets"] = 1, - out_ipv6_bytes = 138, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 138, + ["out-ipv6-packets"] = 1, - hpin_ipv4_bytes = 98, - hpin_ipv4_packets = 1, + ["hairpin-ipv4-bytes"] = 98, + ["hairpin-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua b/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua index dda3b11eee..9ede1dff4c 100644 --- a/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua +++ b/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua @@ -1,9 +1,9 @@ return { - in_ipv4_bytes = 98, - in_ipv4_packets = 1, - in_ipv6_bytes = 138, - in_ipv6_packets = 1, + ["in-ipv4-bytes"] = 98, + ["in-ipv4-packets"] = 1, + ["in-ipv6-bytes"] = 138, + ["in-ipv6-packets"] = 1, - hpin_ipv4_bytes = 98, - hpin_ipv4_packets = 1, + ["hairpin-ipv4-bytes"] = 98, + ["hairpin-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_icmpv4_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_icmpv4_1.lua index 502f40a7ec..3df5fbe3e6 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_icmpv4_1.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_icmpv4_1.lua @@ -1,10 +1,10 @@ return { - in_ipv4_bytes = 66, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 66, + ["in-ipv4-packets"] = 1, - out_ipv4_bytes = 94, - out_ipv4_packets = 1, + ["out-ipv4-bytes"] = 94, + ["out-ipv4-packets"] = 1, - out_icmpv4_bytes = 94, - out_icmpv4_packets = 1, + ["out-icmpv4-bytes"] = 94, + ["out-icmpv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_1.lua index ad669e9687..9466fe771b 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_1.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_1.lua @@ -1,7 +1,7 @@ return { - in_ipv4_bytes = 66, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 66, + ["in-ipv4-packets"] = 1, - out_ipv6_bytes = 106, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 106, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_2.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_2.lua index 37466773ba..2fcf9f1dc3 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_2.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_2.lua @@ -1,7 +1,7 @@ return { - in_ipv4_bytes = 1460, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 1460, + ["in-ipv4-packets"] = 1, - out_ipv6_bytes = 1500, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 1500, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_3.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_3.lua index 2f3a815c17..e035df84e7 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_3.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_3.lua @@ -1,7 +1,7 @@ return { - in_ipv4_bytes = 1494, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 1494, + ["in-ipv4-packets"] = 1, - out_ipv6_bytes = 1534, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 1534, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_4.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_4.lua index eb3d85e2ea..2bb1fd8161 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_4.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_4.lua @@ -1,7 +1,7 @@ return { - in_ipv4_bytes = 2734, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 2734, + ["in-ipv4-packets"] = 1, - out_ipv6_bytes = 2774, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 2774, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_5.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_5.lua index 99b8b21410..f4b6360a80 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_5.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_5.lua @@ -1,7 +1,7 @@ return { - in_ipv4_bytes = 66, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 66, + ["in-ipv4-packets"] = 1, - out_ipv6_bytes = 94, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 94, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_6.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_6.lua index a60bafbeff..4e7ff535c8 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_6.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_6.lua @@ -1,7 +1,7 @@ return { - in_ipv4_bytes = 1474, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 1474, + ["in-ipv4-packets"] = 1, - out_ipv6_bytes = 1514, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 1514, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_7.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_7.lua index f574ea4e17..9875f5b73a 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_7.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_7.lua @@ -1,7 +1,7 @@ return { - in_ipv4_bytes = 98, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 98, + ["in-ipv4-packets"] = 1, - out_ipv6_bytes = 138, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 138, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_8.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_8.lua index 381f4e4112..83fe732b91 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_8.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_8.lua @@ -1,7 +1,7 @@ return { - in_ipv4_bytes = 70, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 70, + ["in-ipv4-packets"] = 1, - out_ipv6_bytes = 110, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 110, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_1.lua index 8835e386c5..63cdd06edc 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_1.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_1.lua @@ -1,4 +1,4 @@ return { - in_ipv4_bytes = 66, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 66, + ["in-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_2.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_2.lua index 758e0f8460..f694565c51 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_2.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_2.lua @@ -1,4 +1,4 @@ return { - in_ipv4_bytes = 98, - in_ipv4_packets = 1, + ["in-ipv4-bytes"] = 98, + ["in-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv4_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv4_1.lua index c4b54f937e..1525cb9eb5 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv4_1.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv4_1.lua @@ -1,10 +1,10 @@ return { - in_ipv6_bytes = 154, - in_ipv6_packets = 1, + ["in-ipv6-bytes"] = 154, + ["in-ipv6-packets"] = 1, - out_ipv4_bytes = 94, - out_ipv4_packets = 1, + ["out-ipv4-bytes"] = 94, + ["out-ipv4-packets"] = 1, - out_icmpv4_bytes = 94, - out_icmpv4_packets = 1, + ["out-icmpv4-bytes"] = 94, + ["out-icmpv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_1.lua index d9bf433350..e741e539c4 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_1.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_1.lua @@ -1,7 +1,7 @@ return { - in_ipv6_bytes = 106, - in_ipv6_packets = 1, + ["in-ipv6-bytes"] = 106, + ["in-ipv6-packets"] = 1, - out_icmpv6_bytes = 154, - out_icmpv6_packets = 1, + ["out-icmpv6-bytes"] = 154, + ["out-icmpv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_2.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_2.lua index b017423b87..c504bb4e16 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_2.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_2.lua @@ -1,7 +1,7 @@ return { - in_ipv6_bytes = 138, - in_ipv6_packets = 1, + ["in-ipv6-bytes"] = 138, + ["in-ipv6-packets"] = 1, - out_icmpv6_bytes = 186, - out_icmpv6_packets = 1, + ["out-icmpv6-bytes"] = 186, + ["out-icmpv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_1.lua index 7d413cdd9b..8bdb3dccc0 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_1.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_1.lua @@ -1,7 +1,7 @@ return { - in_ipv6_bytes = 1046, - in_ipv6_packets = 1, + ["in-ipv6-bytes"] = 1046, + ["in-ipv6-packets"] = 1, - out_ipv4_bytes = 1006, - out_ipv4_packets = 1, + ["out-ipv4-bytes"] = 1006, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_2.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_2.lua index 64aea158e8..a460d4f0dc 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_2.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_2.lua @@ -1,7 +1,7 @@ return { - in_ipv6_bytes = 1500, - in_ipv6_packets = 1, + ["in-ipv6-bytes"] = 1500, + ["in-ipv6-packets"] = 1, - out_ipv4_bytes = 1460, - out_ipv4_packets = 1, + ["out-ipv4-bytes"] = 1460, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_3.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_3.lua index ce7f0bf00e..a2bf3a88b8 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_3.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_3.lua @@ -1,7 +1,7 @@ return { - in_ipv6_bytes = 1534, - in_ipv6_packets = 1, + ["in-ipv6-bytes"] = 1534, + ["in-ipv6-packets"] = 1, - out_ipv4_bytes = 1494, - out_ipv4_packets = 1, + ["out-ipv4-bytes"] = 1494, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_4.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_4.lua index 34fe7462bc..358cfe4155 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_4.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_4.lua @@ -1,7 +1,7 @@ return { - in_ipv6_bytes = 106, - in_ipv6_packets = 1, + ["in-ipv6-bytes"] = 106, + ["in-ipv6-packets"] = 1, - out_ipv4_bytes = 66, - out_ipv4_packets = 1, + ["out-ipv4-bytes"] = 66, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_5.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_5.lua index 16883e71c0..afac827107 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_5.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_5.lua @@ -1,7 +1,7 @@ return { - in_ipv6_bytes = 1514, - in_ipv6_packets = 1, + ["in-ipv6-bytes"] = 1514, + ["in-ipv6-packets"] = 1, - out_ipv4_bytes = 1474, - out_ipv4_packets = 1, + ["out-ipv4-bytes"] = 1474, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_1.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_1.lua index 84417dfd9b..8ffe00064e 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_1.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_1.lua @@ -1,4 +1,4 @@ return { - in_ipv6_bytes = 106, - in_ipv6_packets = 1, + ["in-ipv6-bytes"] = 106, + ["in-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_2.lua b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_2.lua index 1dce41bf99..753f48d250 100644 --- a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_2.lua +++ b/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_2.lua @@ -1,4 +1,4 @@ return { - in_ipv6_bytes = 154, - in_ipv6_packets = 1, + ["in-ipv6-bytes"] = 154, + ["in-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua b/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua index fbaee2ab2b..4ce27f025a 100644 --- a/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua +++ b/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua @@ -1,15 +1,15 @@ return { - in_ipv4_bytes = 160, - in_ipv4_packets = 2, - in_ipv6_bytes = 106, - in_ipv6_packets = 1, + ["in-ipv4-bytes"] = 160, + ["in-ipv4-packets"] = 2, + ["in-ipv6-bytes"] = 106, + ["in-ipv6-packets"] = 1, - out_icmpv4_bytes = 94, - out_icmpv4_packets = 1, + ["out-icmpv4-bytes"] = 94, + ["out-icmpv4-packets"] = 1, - out_ipv6_bytes = 134, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 134, + ["out-ipv6-packets"] = 1, - hpin_ipv4_bytes = 160, - hpin_ipv4_packets = 2, + ["hairpin-ipv4-bytes"] = 160, + ["hairpin-ipv4-packets"] = 2, } diff --git a/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua b/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua index 497506c945..139c4b2ed8 100644 --- a/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua +++ b/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua @@ -1,15 +1,15 @@ return { - in_ipv4_bytes = 94, - in_ipv4_packets = 1, - in_ipv6_bytes = 154, - in_ipv6_packets = 1, + ["in-ipv4-bytes"] = 94, + ["in-ipv4-packets"] = 1, + ["in-ipv6-bytes"] = 154, + ["in-ipv6-packets"] = 1, - out_icmpv4_bytes = 94, - out_icmpv4_packets = 1, + ["out-icmpv4-bytes"] = 94, + ["out-icmpv4-packets"] = 1, - out_ipv6_bytes = 134, - out_ipv6_packets = 1, + ["out-ipv6-bytes"] = 134, + ["out-ipv6-packets"] = 1, - hpin_ipv4_bytes = 94, - hpin_ipv4_packets = 1, + ["hairpin-ipv4-bytes"] = 94, + ["hairpin-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/ndp_no_na_next_hop6_mac_not_set.lua b/src/program/lwaftr/tests/data/counters/ndp_no_na_next_hop6_mac_not_set.lua index 810a5bbd29..6c4e17b18e 100644 --- a/src/program/lwaftr/tests/data/counters/ndp_no_na_next_hop6_mac_not_set.lua +++ b/src/program/lwaftr/tests/data/counters/ndp_no_na_next_hop6_mac_not_set.lua @@ -1,14 +1,14 @@ return { - in_ipv4_bytes = 66, - in_ipv4_packets = 1, - in_ipv6_bytes = 212, - in_ipv6_packets = 2, + ["in-ipv4-bytes"] = 66, + ["in-ipv4-packets"] = 1, + ["in-ipv6-bytes"] = 212, + ["in-ipv6-packets"] = 2, - out_ipv4_bytes = 66, - out_ipv4_packets = 1, - out_ipv6_bytes = 106, - out_ipv6_packets = 1, + ["out-ipv4-bytes"] = 66, + ["out-ipv4-packets"] = 1, + ["out-ipv6-bytes"] = 106, + ["out-ipv6-packets"] = 1, - hpin_ipv4_bytes = 66, - hpin_ipv4_packets = 1, + ["hairpin-ipv4-bytes"] = 66, + ["hairpin-ipv4-packets"] = 1, } From 06b3483848052b06afff03594d1c6b3bed59a224 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 5 Aug 2016 08:28:38 +0000 Subject: [PATCH 098/340] Adapt lwAFTR counters to new counters API --- src/apps/lwaftr/lwaftr.lua | 14 ++++++++++---- src/program/lwaftr/check/check.lua | 2 +- 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 098f7cb407..73c8793f80 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -16,6 +16,7 @@ local checksum = require("lib.checksum") local ethernet = require("lib.protocol.ethernet") local ipv6 = require("lib.protocol.ipv6") local ipv4 = require("lib.protocol.ipv4") +local shm = require("core.shm") local counter = require("core.counter") local packet = require("core.packet") local lib = require("core.lib") @@ -140,6 +141,14 @@ local counter_names = { "drop-out_by_policy-icmpv6-packets", } +local function create_counters () + local counters = {} + for _, name in ipairs(counter_names) do + counters[name] = {counter} + end + return shm.create_frame(counters_dir, counters) +end + local function get_ethernet_payload(pkt) return pkt.data + ethernet_header_size end @@ -307,10 +316,7 @@ function LwAftr:new(conf) o.control = channel.create('lwaftr/control', messages.lwaftr_message_t) - o.counters = {} - for _, name in ipairs(counter_names) do - o.counters[name] = counter.open(counters_dir .. name) - end + o.counters = create_counters() transmit_icmpv6_with_rate_limit = init_transmit_icmpv6_with_rate_limit(o) if debug then lwdebug.pp(conf) end diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index f7d7161bda..61b9fb7402 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -48,7 +48,7 @@ end function read_counters(c) local results = {} for _, name in ipairs(counter_names) do - local cnt = counter.open(counters_dir .. name, "readonly") + local cnt = counter.open(counters_dir .. name .. ".counter", "readonly") results[name] = counter.read(cnt) end return results From 50a0330bea4bdad73d186fce62e69177dda99952 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Wed, 18 May 2016 17:53:44 +0200 Subject: [PATCH 099/340] Fix test data filenames, start adding drop counters' tests --- src/program/lwaftr/check/check.lua | 13 ++ .../data/counters/drop-misplaced-ipv4.lua | 4 + ...net-ipv4-in-binding-big-packet-df-set.lua} | 0 ...airpin.lua => from-to-b4-ipv6-hairpin.lua} | 0 ...-tunneled-icmpv4-ping-hairpin-unbound.lua} | 0 ...om-to-b4-tunneled-icmpv4-ping-hairpin.lua} | 0 ...4_1.lua => in-1p-ipv4-out-1p-icmpv4-1.lua} | 0 ...pv6_1.lua => in-1p-ipv4-out-1p-ipv6-1.lua} | 0 ...pv6_2.lua => in-1p-ipv4-out-1p-ipv6-2.lua} | 0 ...pv6_3.lua => in-1p-ipv4-out-1p-ipv6-3.lua} | 0 ...pv6_4.lua => in-1p-ipv4-out-1p-ipv6-4.lua} | 0 ...pv6_5.lua => in-1p-ipv4-out-1p-ipv6-5.lua} | 0 ...pv6_6.lua => in-1p-ipv4-out-1p-ipv6-6.lua} | 0 ...pv6_7.lua => in-1p-ipv4-out-1p-ipv6-7.lua} | 0 ...pv6_8.lua => in-1p-ipv4-out-1p-ipv6-8.lua} | 0 ...t_none_1.lua => in-1p-ipv4-out-none-1.lua} | 0 ...t_none_2.lua => in-1p-ipv4-out-none-2.lua} | 0 ...4_1.lua => in-1p-ipv6-out-1p-icmpv4-1.lua} | 0 ...6_1.lua => in-1p-ipv6-out-1p-icmpv6-1.lua} | 0 ...6_2.lua => in-1p-ipv6-out-1p-icmpv6-2.lua} | 0 ...pv4_1.lua => in-1p-ipv6-out-1p-ipv4-1.lua} | 0 ...pv4_2.lua => in-1p-ipv6-out-1p-ipv4-2.lua} | 0 ...pv4_3.lua => in-1p-ipv6-out-1p-ipv4-3.lua} | 0 ...pv4_4.lua => in-1p-ipv6-out-1p-ipv4-4.lua} | 0 ...pv4_5.lua => in-1p-ipv6-out-1p-ipv4-5.lua} | 0 ...t_none_1.lua => in-1p-ipv6-out-none-1.lua} | 0 ...t_none_2.lua => in-1p-ipv6-out-none-2.lua} | 0 ...n-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua} | 0 ...n-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua} | 0 ...ua => ndp-no-na-next-hop6-mac-not-set.lua} | 0 .../tests/end-to-end/end-to-end-vlan.sh | 116 ++++++++-------- .../lwaftr/tests/end-to-end/end-to-end.sh | 125 +++++++++--------- 32 files changed, 137 insertions(+), 121 deletions(-) create mode 100644 src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua rename src/program/lwaftr/tests/data/counters/{from_inet_ipv4_in_binding_big_packet_df_set.lua => from-inet-ipv4-in-binding-big-packet-df-set.lua} (100%) rename src/program/lwaftr/tests/data/counters/{from_to_b4_ipv6_hairpin.lua => from-to-b4-ipv6-hairpin.lua} (100%) rename src/program/lwaftr/tests/data/counters/{from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua => from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua} (100%) rename src/program/lwaftr/tests/data/counters/{from_to_b4_tunneled_icmpv4_ping_hairpin.lua => from-to-b4-tunneled-icmpv4-ping-hairpin.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv4_out_1p_icmpv4_1.lua => in-1p-ipv4-out-1p-icmpv4-1.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv4_out_1p_ipv6_1.lua => in-1p-ipv4-out-1p-ipv6-1.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv4_out_1p_ipv6_2.lua => in-1p-ipv4-out-1p-ipv6-2.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv4_out_1p_ipv6_3.lua => in-1p-ipv4-out-1p-ipv6-3.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv4_out_1p_ipv6_4.lua => in-1p-ipv4-out-1p-ipv6-4.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv4_out_1p_ipv6_5.lua => in-1p-ipv4-out-1p-ipv6-5.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv4_out_1p_ipv6_6.lua => in-1p-ipv4-out-1p-ipv6-6.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv4_out_1p_ipv6_7.lua => in-1p-ipv4-out-1p-ipv6-7.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv4_out_1p_ipv6_8.lua => in-1p-ipv4-out-1p-ipv6-8.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv4_out_none_1.lua => in-1p-ipv4-out-none-1.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv4_out_none_2.lua => in-1p-ipv4-out-none-2.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv6_out_1p_icmpv4_1.lua => in-1p-ipv6-out-1p-icmpv4-1.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv6_out_1p_icmpv6_1.lua => in-1p-ipv6-out-1p-icmpv6-1.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv6_out_1p_icmpv6_2.lua => in-1p-ipv6-out-1p-icmpv6-2.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv6_out_1p_ipv4_1.lua => in-1p-ipv6-out-1p-ipv4-1.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv6_out_1p_ipv4_2.lua => in-1p-ipv6-out-1p-ipv4-2.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv6_out_1p_ipv4_3.lua => in-1p-ipv6-out-1p-ipv4-3.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv6_out_1p_ipv4_4.lua => in-1p-ipv6-out-1p-ipv4-4.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv6_out_1p_ipv4_5.lua => in-1p-ipv6-out-1p-ipv4-5.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv6_out_none_1.lua => in-1p-ipv6-out-none-1.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_1p_ipv6_out_none_2.lua => in-1p-ipv6-out-none-2.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua => in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua => in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua} (100%) rename src/program/lwaftr/tests/data/counters/{ndp_no_na_next_hop6_mac_not_set.lua => ndp-no-na-next-hop6-mac-not-set.lua} (100%) diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 61b9fb7402..5e21d9e629 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -8,24 +8,37 @@ local setup = require("program.lwaftr.setup") local counters_dir = "app/lwaftr/counters/" local counter_names = { + -- Ingress. "in-ipv4-bytes", "in-ipv4-packets", "in-ipv6-bytes", "in-ipv6-packets", + -- Egress IP. "out-ipv4-bytes", "out-ipv4-packets", "out-ipv6-bytes", "out-ipv6-packets", + -- Egress ICMP. "out-icmpv4-bytes", "out-icmpv4-packets", "out-icmpv6-bytes", "out-icmpv6-packets", + -- Hairpinning. "hairpin-ipv4-bytes", "hairpin-ipv4-packets", + +-- Drop v4. + +-- All dropped v4. TODO: implement. + "drop-all-ipv4-bytes", + "drop-all-ipv4-packets", +-- On IPv4 link, but not IPv4. + "drop-misplaced-ipv4-bytes", + "drop-misplaced-ipv4-packets", } function show_usage(code) diff --git a/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua b/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua new file mode 100644 index 0000000000..39f886b316 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua @@ -0,0 +1,4 @@ +return { + ["drop-misplaced-ipv4-bytes"] = 106, + ["drop-misplaced-ipv4-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/from_inet_ipv4_in_binding_big_packet_df_set.lua b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/from_inet_ipv4_in_binding_big_packet_df_set.lua rename to src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua diff --git a/src/program/lwaftr/tests/data/counters/from_to_b4_ipv6_hairpin.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/from_to_b4_ipv6_hairpin.lua rename to src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua diff --git a/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua rename to src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua diff --git a/src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/from_to_b4_tunneled_icmpv4_ping_hairpin.lua rename to src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_icmpv4_1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4-1.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_icmpv4_1.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4-1.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-1.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_1.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-1.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_2.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_3.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_4.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_5.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_5.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_6.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_6.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_7.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-7.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_7.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-7.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_8.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-8.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_1p_ipv6_8.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-8.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_1.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv4_out_none_2.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv4_1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv4_1.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_1.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_icmpv6_2.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_1.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_2.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_3.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_4.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_5.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_1p_ipv4_5.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_1.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua diff --git a/src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_1p_ipv6_out_none_2.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua diff --git a/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua rename to src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua diff --git a/src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua rename to src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua diff --git a/src/program/lwaftr/tests/data/counters/ndp_no_na_next_hop6_mac_not_set.lua b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/ndp_no_na_next_hop6_mac_not_set.lua rename to src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index 9ac0592661..e3b9b84548 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -32,14 +32,14 @@ function snabb_run_and_cmp { fi ${SNABB_LWAFTR} check \ $1 $2 $3 \ - ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6 || - quit_with_msg "Failure: ${SNABB_LWAFTR} check \ + ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6 || quit_with_msg \ + "Failure: ${SNABB_LWAFTR} check \ $1 $2 $3 \ ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6" scmp $4 ${TEST_OUT}/endoutv4.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" + "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" scmp $5 ${TEST_OUT}/endoutv6.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" + "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" echo "Test passed" } @@ -47,13 +47,13 @@ echo "Testing: from-internet IPv4 packet found in the binding table." snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua echo "Testing: traffic class mapping" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua echo "Testing: NDP: incoming NDP Neighbor Solicitation" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ @@ -85,7 +85,7 @@ echo "Testing: NDP: Without receiving NA, next_hop6_mac not set" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_withoutmac_vlan.conf \ ${EMPTY} ${TEST_DATA}/ndp_without_dst_eth_compound.pcap \ ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/ndp_no_na_next_hop6_mac_not_set.lua + ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua # mergecap -F pcap -w ndp_getna_compound.pcap tcp-fromb4-ipv6.pcap \ # ndp_incoming_solicited_na.pcap tcp-fromb4-tob4-ipv6.pcap @@ -94,7 +94,7 @@ echo "Testing: NDP: With receiving NA, next_hop6_mac not initially set" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_withoutmac_vlan.conf \ ${EMPTY} ${TEST_DATA}/ndp_getna_compound.pcap \ ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ndp_ns_and_recap.pcap \ - ${COUNTERS}/ndp_no_na_next_hop6_mac_not_set.lua + ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua echo "Testing: ARP: incoming ARP request" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ @@ -112,73 +112,73 @@ echo "Testing: from-internet IPv4 fragmented packets found in the binding table" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-ipv4-3frags-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-reassembled.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_2.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-2.lua echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound-ttl1.pcap ${EMPTY}\ ${TEST_DATA}/icmpv4-time-expired.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua echo "Testing: from-B4 IPv4 fragmentation (2)" snabb_run_and_cmp ${TEST_CONF}/small_ipv4_mtu_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-ipv6-fromb4-toinet-1046.pcap \ ${TEST_DATA}/tcp-ipv4-toinet-2fragments.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-1.lua echo "Testing: from-B4 IPv4 fragmentation (3)" snabb_run_and_cmp ${TEST_CONF}/small_ipv4_mtu_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-ipv6-fromb4-toinet-1500.pcap \ ${TEST_DATA}/tcp-ipv4-toinet-3fragments.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_2.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-2.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (2)." snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound1494.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-2frags.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_3.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-3.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (3)." snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound-2734.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-3frags.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_4.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-4.lua echo "Testing: IPv6 reassembly (followed by decapsulation)." snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-ipv6-2frags-bound.pcap \ ${TEST_DATA}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_3.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4." snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ ${TEST_DATA}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${COUNTERS}/from_inet_ipv4_in_binding_big_packet_df_set.lua + ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${TEST_DATA}/tcp-frominet-unbound.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_none_1.lua + ${COUNTERS}/in-1p-ipv4-out-none-1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (matches IPv4, but not port), no ICMP." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${TEST_DATA}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_none_1.lua + ${COUNTERS}/in-1p-ipv4-out-none-1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (ICMP-on-fail)." snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-unbound.pcap ${EMPTY} \ ${TEST_DATA}/icmpv4-dst-host-unreachable.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (matches IPv4, but not port) (ICMP-on-fail)." snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ ${TEST_DATA}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ @@ -190,31 +190,31 @@ echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, no ICMP" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-unbound.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_none_1.lua + ${COUNTERS}/in-1p-ipv6-out-none-1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (matches IPv4, but not port), no ICMP" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_none_1.lua + ${COUNTERS}/in-1p-ipv6-out-none-1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (ICMP-on-fail)" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-unbound.pcap \ ${EMPTY} ${TEST_DATA}/icmpv6-nogress.pcap \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (matches IPv4, but not port) (ICMP-on-fail)" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ ${EMPTY} ${TEST_DATA}/icmpv6-nogress-ip-bound-port-unbound.pcap \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua echo "Testing: from-to-b4 IPv6 packet, no hairpinning" # The idea is that with hairpinning off, the packet goes out the inet interface @@ -223,13 +223,13 @@ echo "Testing: from-to-b4 IPv6 packet, no hairpinning" snabb_run_and_cmp ${TEST_CONF}/no_hairpin_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6.pcap \ ${TEST_DATA}/decap-ipv4-nohair.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua echo "Testing: from-to-b4 IPv6 packet, with hairpinning" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6.pcap \ ${EMPTY} ${TEST_DATA}/recap-ipv6.pcap \ - ${COUNTERS}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" # Ping from 127:11:12:13:14:15:16:128 / 178.79.150.233+7850 to @@ -238,50 +238,50 @@ echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-request.pcap \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-request-from-aftr.pcap \ - ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua + ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning" # As above, but a reply instead. snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply.pcap \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-from-aftr.pcap \ - ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua + ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning, unbound" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-request-unbound.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua + ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning, port 0 not bound" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-unbound.pcap \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_2.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-2.lua echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ - ${COUNTERS}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua + ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-customBRIP-ipv6.pcap \ ${EMPTY} ${TEST_DATA}/recap-tocustom-BRIP-ipv6.pcap \ - ${COUNTERS}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, from B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-customBRIP-tob4-ipv6.pcap \ ${EMPTY} ${TEST_DATA}/recap-fromcustom-BRIP-ipv6.pcap \ - ${COUNTERS}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, different non-default lwAFTR addresses" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap \ ${EMPTY} ${TEST_DATA}/recap-customBR-IPs-ipv6.pcap \ - ${COUNTERS}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua # Test UDP packets @@ -289,31 +289,31 @@ echo "Testing: from-internet bound IPv4 UDP packet" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/udp-frominet-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/udp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua echo "Testing: unfragmented IPv4 UDP -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${TEST_DATA}/udp-frominet-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/udp-afteraftr-ipv6-2frags.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua echo "Testing: IPv6 incoming UDP fragments -> unfragmented IPv4" snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${EMPTY} ${TEST_DATA}/udp-fromb4-2frags-bound.pcap \ ${TEST_DATA}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_5.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua echo "Testing: IPv6 incoming UDP fragments -> outgoing IPv4 UDP fragments" snabb_run_and_cmp ${TEST_CONF}/small_ipv4_mtu_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/udp-fromb4-2frags-bound.pcap \ ${TEST_DATA}/udp-afteraftr-ipv4-3frags.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_5.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua echo "Testing: IPv4 incoming UDP fragments -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${TEST_DATA}/udp-frominet-3frag-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/udp-afteraftr-reassembled-ipv6-2frags.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua # Test ICMP inputs (with and without drop policy) @@ -321,73 +321,73 @@ echo "Testing: incoming ICMPv4 echo request, matches binding table" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-echo-request.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_7.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua echo "Testing: incoming ICMPv4 echo request, matches binding table, bad checksum" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-request-invalid-icmp-checksum.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_none_2.lua + ${COUNTERS}/in-1p-ipv4-out-none-2.lua echo "Testing: incoming ICMPv4 echo request, matches binding table, dropping ICMP" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_none_2.lua + ${COUNTERS}/in-1p-ipv4-out-none-2.lua echo "Testing: incoming ICMPv4 echo request, doesn't match binding table" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-request-unbound.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_none_2.lua + ${COUNTERS}/in-1p-ipv4-out-none-2.lua echo "Testing: incoming ICMPv4 echo reply, matches binding table" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-reply.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-echo-reply.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_7.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua echo "Testing: incoming ICMPv4 3,4 'too big' notification, matches binding table" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-34toobig.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-34toobig.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_8.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-8.lua echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 3,1 frag reasembly time exceeded, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-31fragreassemblytimeexceeded-inet-OPE.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_none_2.lua + ${COUNTERS}/in-1p-ipv6-out-none-2.lua echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ ${EMPTY} ${TEST_DATA}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ - ${COUNTERS}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua + ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua # Ingress filters @@ -395,7 +395,7 @@ echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding tabl snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (DROP)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ @@ -407,7 +407,7 @@ echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (ACC snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DROP)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ @@ -421,7 +421,7 @@ echo "Testing: egress-filter: to-internet (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua echo "Testing: egress-filter: to-internet (IPv4) (DROP)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ @@ -433,7 +433,7 @@ echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua echo "Testing: egress-filter: to-b4 (IPv4) (DROP)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ @@ -450,7 +450,7 @@ echo "Testing: ICMP Echo to AFTR (IPv4) + data" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ ${TEST_DATA}/ping-v4-and-data.pcap ${EMPTY} ${TEST_DATA}/ping-v4-reply.pcap \ ${TEST_DATA}/tcp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua echo "Testing: ICMP Echo to AFTR (IPv6)" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ @@ -462,6 +462,6 @@ echo "Testing: ICMP Echo to AFTR (IPv6) + data" snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ ${EMPTY} ${TEST_DATA}/ping-v6-and-data.pcap \ ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ping-v6-reply.pcap \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua echo "All end-to-end lwAFTR vlan tests passed." diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 831f045ad5..0436b630da 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -31,15 +31,14 @@ function snabb_run_and_cmp { fi (${SNABB_LWAFTR} check \ $1 $2 $3 \ - ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap \ - $6 | grep -v compiled) || - quit_with_msg "Failure: ${SNABB_LWAFTR} check \ + ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6) || quit_with_msg \ + "Failure: ${SNABB_LWAFTR} check \ $1 $2 $3 \ ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6" scmp $4 ${TEST_OUT}/endoutv4.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" + "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" scmp $5 ${TEST_OUT}/endoutv6.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" + "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" echo "Test passed" } @@ -47,13 +46,13 @@ echo "Testing: from-internet IPv4 packet found in the binding table." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua echo "Testing: from-internet IPv4 packet found in the binding table with vlan tag." snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ ${TEST_BASE}/tcp-frominet-bound-vlan.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-vlan.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua echo "Testing: NDP: incoming NDP Neighbor Solicitation" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ @@ -97,7 +96,7 @@ echo "Testing: NDP: Without receiving NA, next_hop6_mac not set" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${TEST_BASE}/ndp_without_dst_eth_compound.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/ndp_no_na_next_hop6_mac_not_set.lua + ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua # mergecap -F pcap -w ndp_getna_compound.pcap tcp-fromb4-ipv6.pcap \ # ndp_incoming_solicited_na.pcap tcp-fromb4-tob4-ipv6.pcap @@ -106,7 +105,7 @@ echo "Testing: NDP: With receiving NA, next_hop6_mac not initially set" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${TEST_BASE}/ndp_getna_compound.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_ns_and_recap.pcap \ - ${COUNTERS}/ndp_no_na_next_hop6_mac_not_set.lua + ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua echo "Testing: IPv6 packet, next hop NA, packet, eth addr not set in configuration." snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ @@ -118,121 +117,121 @@ echo "Testing: from-internet IPv4 fragmented packets found in the binding table. snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-ipv4-3frags-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-reassembled.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_2.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-2.lua echo "Testing: traffic class mapping" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-bound-ttl1.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-time-expired.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua echo "Testing: from-B4 IPv4 fragmentation (2)" snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1046.pcap \ ${TEST_BASE}/tcp-ipv4-toinet-2fragments.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-1.lua echo "Testing: from-B4 IPv4 fragmentation (3)" snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1500.pcap \ ${TEST_BASE}/tcp-ipv4-toinet-3fragments.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_2.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-2.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (2)." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/tcp-frominet-bound1494.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-2frags.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_3.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-3.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (3)." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/tcp-frominet-bound-2734.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-3frags.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_4.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-4.lua echo "Testing: IPv6 reassembly (followed by decapsulation)." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_3.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${COUNTERS}/from_inet_ipv4_in_binding_big_packet_df_set.lua + ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_none_1.lua + ${COUNTERS}/in-1p-ipv4-out-none-1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't), no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_none_1.lua + ${COUNTERS}/in-1p-ipv4-out-none-1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (ICMP-on-fail)." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-dst-host-unreachable.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/tcp-afteraftr-ipv6.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua + ${COUNTERS}/drop-misplaced-ipv4.lua echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua echo "Testing: from-b4 to-internet IPv6 packet found in the binding table with vlan tag." snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-vlan.pcap \ ${TEST_BASE}/decap-ipv4-vlan.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, no ICMP" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_none_1.lua + ${COUNTERS}/in-1p-ipv6-out-none-1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, (IPv4 matches, but port doesn't), no ICMP" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_none_1.lua + ${COUNTERS}/in-1p-ipv6-out-none-1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (ICMP-on-fail)" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ ${EMPTY} ${TEST_BASE}/icmpv6-nogress.pcap \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ ${EMPTY} ${TEST_BASE}/icmpv6-nogress-ip-bound-port-unbound.pcap \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua echo "Testing: from-to-b4 IPv6 packet, no hairpinning" # The idea is that with hairpinning off, the packet goes out the inet interface @@ -241,13 +240,13 @@ echo "Testing: from-to-b4 IPv6 packet, no hairpinning" snabb_run_and_cmp ${TEST_BASE}/no_hairpin.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ ${TEST_BASE}/decap-ipv4-nohair.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua echo "Testing: from-to-b4 IPv6 packet, with hairpinning" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ ${EMPTY} ${TEST_BASE}/recap-ipv6.pcap \ - ${COUNTERS}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" # Ping from 127:11:12:13:14:15:16:128 / 178.79.150.233+7850 to @@ -256,56 +255,56 @@ echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request.pcap \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-from-aftr.pcap \ - ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua + ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning" # As above, but a reply instead. snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply.pcap \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-from-aftr.pcap \ - ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin.lua + ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning, unbound" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-unbound.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/from_to_b4_tunneled_icmpv4_ping_hairpin_unbound.lua + ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning, port 0 not bound" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound.pcap \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv6_2.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-2.lua echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ - ${COUNTERS}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_1.lua + ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua echo "Testing: from-to-b4 IPv6 packet, with hairpinning, with vlan tag" snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-vlan.pcap \ ${EMPTY} ${TEST_BASE}/recap-ipv6-vlan.pcap \ - ${COUNTERS}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-customBRIP-ipv6.pcap \ ${EMPTY} ${TEST_BASE}/recap-tocustom-BRIP-ipv6.pcap \ - ${COUNTERS}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, from B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP-tob4-ipv6.pcap \ ${EMPTY} ${TEST_BASE}/recap-fromcustom-BRIP-ipv6.pcap \ - ${COUNTERS}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, different non-default lwAFTR addresses" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap \ ${EMPTY} ${TEST_BASE}/recap-customBR-IPs-ipv6.pcap \ - ${COUNTERS}/from_to_b4_ipv6_hairpin.lua + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua # Test UDP packets @@ -313,31 +312,31 @@ echo "Testing: from-internet bound IPv4 UDP packet" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua echo "Testing: unfragmented IPv4 UDP -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6-2frags.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua echo "Testing: IPv6 incoming UDP fragments -> unfragmented IPv4" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ ${TEST_BASE}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_5.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua echo "Testing: IPv6 incoming UDP fragments -> outgoing IPv4 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ ${TEST_BASE}/udp-afteraftr-ipv4-3frags.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_5.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua echo "Testing: IPv4 incoming UDP fragments -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/udp-frominet-3frag-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/udp-afteraftr-reassembled-ipv6-2frags.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_6.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua # Test ICMP inputs (with and without drop policy) @@ -345,73 +344,73 @@ echo "Testing: incoming ICMPv4 echo request, matches binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-request.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_7.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua echo "Testing: incoming ICMPv4 echo request, matches binding table, bad checksum" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request-invalid-icmp-checksum.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_none_2.lua + ${COUNTERS}/in-1p-ipv4-out-none-2.lua echo "Testing: incoming ICMPv4 echo request, matches binding table, dropping ICMP" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_none_2.lua + ${COUNTERS}/in-1p-ipv4-out-none-2.lua echo "Testing: incoming ICMPv4 echo request, doesn't match binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request-unbound.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv4_out_none_2.lua + ${COUNTERS}/in-1p-ipv4-out-none-2.lua echo "Testing: incoming ICMPv4 echo reply, matches binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-reply.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-reply.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_7.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua echo "Testing: incoming ICMPv4 3,4 'too big' notification, matches binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-34toobig.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-34toobig.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_8.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-8.lua echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 3,1 frag reasembly time exceeded, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-31fragreassemblytimeexceeded-inet-OPE.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_none_2.lua + ${COUNTERS}/in-1p-ipv6-out-none-2.lua echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_icmpv4_1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ - ${COUNTERS}/in_ipv4_ipv6_out_icmpv4_ipv6_hairpin_2.lua + ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua # Ingress filters @@ -419,7 +418,7 @@ echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding tabl snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ @@ -431,7 +430,7 @@ echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (ACC snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ @@ -445,7 +444,7 @@ echo "Testing: egress-filter: to-internet (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua echo "Testing: egress-filter: to-internet (IPv4) (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ @@ -457,7 +456,7 @@ echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua echo "Testing: egress-filter: to-b4 (IPv4) (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ @@ -475,7 +474,7 @@ echo "Testing: ICMP Echo to AFTR (IPv4) + data" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/ping-v4-and-data.pcap ${EMPTY} \ ${TEST_BASE}/ping-v4-reply.pcap ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in_1p_ipv4_out_1p_ipv6_1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua echo "Testing: ICMP Echo to AFTR (IPv6)" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ @@ -487,6 +486,6 @@ echo "Testing: ICMP Echo to AFTR (IPv6) + data" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/ping-v6-and-data.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ping-v6-reply.pcap \ - ${COUNTERS}/in_1p_ipv6_out_1p_ipv4_4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua echo "All end-to-end lwAFTR tests passed." From 8b5260fc7daaa4731e282c261debdcb54f98f879 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Thu, 19 May 2016 11:46:21 +0200 Subject: [PATCH 100/340] Add drop counters' data to the tests, complete counters' renaming --- src/apps/lwaftr/lwaftr.lua | 123 +++++++++--------- src/program/lwaftr/check/check.lua | 36 +---- ...inet-ipv4-in-binding-big-packet-df-set.lua | 3 + ...4-tunneled-icmpv4-ping-hairpin-unbound.lua | 5 + .../counters/in-1p-ipv4-out-1p-icmpv4.lua | 13 ++ .../data/counters/in-1p-ipv4-out-none-1.lua | 8 ++ .../data/counters/in-1p-ipv4-out-none-2.lua | 3 + .../data/counters/in-1p-ipv4-out-none-3.lua | 7 + .../data/counters/in-1p-ipv4-out-none-4.lua | 9 ++ ...pv4-1.lua => in-1p-ipv6-out-1p-icmpv4.lua} | 0 .../counters/in-1p-ipv6-out-1p-icmpv6-1.lua | 3 + .../counters/in-1p-ipv6-out-1p-icmpv6-2.lua | 3 + .../data/counters/in-1p-ipv6-out-none-1.lua | 5 + .../data/counters/in-1p-ipv6-out-none-2.lua | 3 + ...in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua | 3 + ...mpv4-1.lua => tcp-frominet-bound-ttl1.lua} | 3 + .../tests/end-to-end/end-to-end-vlan.sh | 18 +-- .../lwaftr/tests/end-to-end/end-to-end.sh | 18 +-- 18 files changed, 151 insertions(+), 112 deletions(-) create mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua create mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua create mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua rename src/program/lwaftr/tests/data/counters/{in-1p-ipv6-out-1p-icmpv4-1.lua => in-1p-ipv6-out-1p-icmpv4.lua} (100%) rename src/program/lwaftr/tests/data/counters/{in-1p-ipv4-out-1p-icmpv4-1.lua => tcp-frominet-bound-ttl1.lua} (70%) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 73c8793f80..9ec0ea68c6 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -56,7 +56,8 @@ local n_ethertype_ipv6 = constants.n_ethertype_ipv6 -- over the place, with the related runtime cost, or computed by summing -- the relevant counters less frequently or upon access? local counters_dir = "app/lwaftr/counters/" -local counter_names = { +-- Referenced by program/check/check.lua +counter_names = { -- Ingress. "in-ipv4-bytes", @@ -89,23 +90,23 @@ local counter_names = { "drop-misplaced-ipv4-bytes", "drop-misplaced-ipv4-packets", -- No matching destination softwire. - "drop-no_dest_softwire-ipv4-bytes", - "drop-no_dest_softwire-ipv4-packets", + "drop-no-dest-softwire-ipv4-bytes", + "drop-no-dest-softwire-ipv4-packets", -- TTL is zero. - "drop-ttl_zero-ipv4-bytes", - "drop-ttl_zero-ipv4-packets", + "drop-ttl-zero-ipv4-bytes", + "drop-ttl-zero-ipv4-packets", -- Big packets exceeding MTU, but DF (Don't Fragment) flag set. - "drop-over_mtu_but_dont_fragment-ipv4-bytes", - "drop-over_mtu_but_dont_fragment-ipv4-packets", + "drop-over-mtu-but-dont-fragment-ipv4-bytes", + "drop-over-mtu-but-dont-fragment-ipv4-packets", -- Bad checksum. - "drop-bad_checksum-icmpv4-bytes", - "drop-bad_checksum-icmpv4-packets", + "drop-bad-checksum-icmpv4-bytes", + "drop-bad-checksum-icmpv4-packets", -- Policy of dropping incoming ICMPv4 packets. - "drop-in_by_policy-icmpv4-bytes", - "drop-in_by_policy-icmpv4-packets", + "drop-in-by-policy-icmpv4-bytes", + "drop-in-by-policy-icmpv4-packets", -- Policy of dropping outgoing ICMPv4 packets. - "drop-out_by_policy-icmpv4-bytes", - "drop-out_by_policy-icmpv4-packets", + "drop-out-by-policy-icmpv4-bytes", + "drop-out-by-policy-icmpv4-packets", -- Drop v6. @@ -116,29 +117,29 @@ local counter_names = { "drop-misplaced-ipv6-bytes", "drop-misplaced-ipv6-packets", -- Unknown IPv6 protocol. - "drop-unknown_protocol-ipv6-bytes", - "drop-unknown_protocol-ipv6-packets", + "drop-unknown-protocol-ipv6-bytes", + "drop-unknown-protocol-ipv6-packets", -- No matching source softwire. - "drop-no_source_softwire-ipv6-bytes", - "drop-no_source_softwire-ipv6-packets", + "drop-no-source-softwire-ipv6-bytes", + "drop-no-source-softwire-ipv6-packets", -- Unknown ICMPv6 type. - "drop-unknown_protocol-icmpv6-bytes", - "drop-unknown_protocol-icmpv6-packets", + "drop-unknown-protocol-icmpv6-bytes", + "drop-unknown-protocol-icmpv6-packets", -- "Packet too big" ICMPv6 type but not code. - "drop-too_big_type_but_not_code-icmpv6-bytes", - "drop-too_big_type_but_not_code-icmpv6-packets", + "drop-too-big-type-but-not-code-icmpv6-bytes", + "drop-too-big-type-but-not-code-icmpv6-packets", -- Time-limit-exceeded, but not hop limit. - "drop-over_time_but_not_hop_limit-icmpv6-bytes", - "drop-over_time_but_not_hop_limit-icmpv6-packets", + "drop-over-time-but-not-hop-limit-icmpv6-bytes", + "drop-over-time-but-not-hop-limit-icmpv6-packets", -- Rate limit reached. - "drop-over_rate_limit-icmpv6-bytes", - "drop-over_rate_limit-icmpv6-packets", + "drop-over-rate-limit-icmpv6-bytes", + "drop-over-rate-limit-icmpv6-packets", -- Policy of dropping incoming ICMPv6 packets. - "drop-in_by_policy-icmpv6-bytes", - "drop-in_by_policy-icmpv6-packets", + "drop-in-by-policy-icmpv6-bytes", + "drop-in-by-policy-icmpv6-packets", -- Policy of dropping outgoing ICMPv6 packets. - "drop-out_by_policy-icmpv6-bytes", - "drop-out_by_policy-icmpv6-packets", + "drop-out-by-policy-icmpv6-bytes", + "drop-out-by-policy-icmpv6-packets", } local function create_counters () @@ -277,8 +278,8 @@ local function init_transmit_icmpv6_with_rate_limit(lwstate) counter.add(lwstate.counters["out-icmpv6-packets"]) return transmit(o, pkt) else - counter.add(lwstate.counters["drop-over_rate_limit-icmpv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-over_rate_limit-icmpv6-packets"]) + counter.add(lwstate.counters["drop-over-rate-limit-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-over-rate-limit-icmpv6-packets"]) return drop(pkt) end end @@ -398,8 +399,8 @@ end local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then -- ICMP error messages off by policy; silently drop. - counter.add(lwstate.counters["drop-out_by_policy-icmpv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-out_by_policy-icmpv4-packets"]) + counter.add(lwstate.counters["drop-out-by-policy-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-out-by-policy-icmpv4-packets"]) return drop(pkt) end @@ -407,8 +408,8 @@ local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) -- RFC 7596 section 8.1 requires us to silently drop incoming -- ICMPv4 messages that don't match the binding table. -- TODO: isn't this prevented by from_inet? - counter.add(lwstate.counters["drop-in_by_policy-icmpv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-in_by_policy-icmpv4-packets"]) + counter.add(lwstate.counters["drop-in-by-policy-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-in-by-policy-icmpv4-packets"]) return drop(pkt) end @@ -429,8 +430,8 @@ end local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt) if lwstate.policy_icmpv6_outgoing == lwconf.policies['DROP'] then -- ICMP error messages off by policy; silently drop. - counter.add(lwstate.counters["drop-out_by_policy-icmpv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-out_by_policy-icmpv6-packets"]) + counter.add(lwstate.counters["drop-out-by-policy-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-out-by-policy-icmpv6-packets"]) return drop(pkt) end @@ -479,11 +480,11 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) -- Do not encapsulate packets that now have a ttl of zero or wrapped around local ttl = decrement_ttl(pkt) if ttl == 0 then - counter.add(lwstate.counters["drop-ttl_zero-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-ttl_zero-ipv4-packets"]) + counter.add(lwstate.counters["drop-ttl-zero-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-ttl-zero-ipv4-packets"]) if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then - counter.add(lwstate.counters["drop-out_by_policy-icmpv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-out_by_policy-icmpv4-packets"]) + counter.add(lwstate.counters["drop-out-by-policy-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-out-by-policy-icmpv4-packets"]) return drop(pkt) end local ipv4_header = get_ethernet_payload(pkt) @@ -504,8 +505,8 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) local ether_dst = lwstate.next_hop6_mac if encapsulating_packet_with_df_flag_would_exceed_mtu(lwstate, pkt) then - counter.add(lwstate.counters["drop-over_mtu_but_dont_fragment-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-over_mtu_but_dont_fragment-ipv4-packets"]) + counter.add(lwstate.counters["drop-over-mtu-but-dont-fragment-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-over-mtu-but-dont-fragment-ipv4-packets"]) local reply = cannot_fragment_df_packet_error(lwstate, pkt) return transmit_icmpv4_reply(lwstate, reply, pkt) end @@ -548,8 +549,8 @@ local function flush_encapsulation(lwstate) else -- Lookup failed. if debug then print("lookup failed") end - counter.add(lwstate.counters["drop-no_dest_softwire-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-no_dest_softwire-ipv4-packets"]) + counter.add(lwstate.counters["drop-no-dest-softwire-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-no-dest-softwire-ipv4-packets"]) drop_ipv4_packet_to_unreachable_host(lwstate, pkt) end end @@ -575,8 +576,8 @@ local function icmpv4_incoming(lwstate, pkt) local icmp_bytes = get_ipv4_total_length(ipv4_header) - ipv4_header_size if checksum.ipsum(icmp_header, icmp_bytes, 0) ~= 0 then -- Silently drop the packet, as per RFC 5508 - counter.add(lwstate.counters["drop-bad_checksum-icmpv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-bad_checksum-icmpv4-packets"]) + counter.add(lwstate.counters["drop-bad-checksum-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-bad-checksum-icmpv4-packets"]) return drop(pkt) end @@ -623,8 +624,8 @@ local function from_inet(lwstate, pkt) local ipv4_header = get_ethernet_payload(pkt) if get_ipv4_proto(ipv4_header) == proto_icmp then if lwstate.policy_icmpv4_incoming == lwconf.policies['DROP'] then - counter.add(lwstate.counters["drop-in_by_policy-icmpv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-in_by_policy-icmpv4-packets"]) + counter.add(lwstate.counters["drop-in-by-policy-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-in-by-policy-icmpv4-packets"]) return drop(pkt) else return icmpv4_incoming(lwstate, pkt) @@ -669,8 +670,8 @@ local function icmpv6_incoming(lwstate, pkt) if icmp_type == constants.icmpv6_packet_too_big then if icmp_code ~= constants.icmpv6_code_packet_too_big then -- Invalid code. - counter.add(lwstate.counters["drop-too_big_type_but_not_code-icmpv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-too_big_type_but_not_code-icmpv6-packets"]) + counter.add(lwstate.counters["drop-too-big-type-but-not-code-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-too-big-type-but-not-code-icmpv6-packets"]) return drop(pkt) end local mtu = get_icmp_mtu(icmp_header) - constants.ipv6_fixed_header_size @@ -684,8 +685,8 @@ local function icmpv6_incoming(lwstate, pkt) -- If the time limit was exceeded, require it was a hop limit code if icmp_type == constants.icmpv6_time_limit_exceeded then if icmp_code ~= constants.icmpv6_hop_limit_exceeded then - counter.add(lwstate.counters["drop-over_time_but_not_hop_limit-icmpv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-over_time_but_not_hop_limit-icmpv6-packets"]) + counter.add(lwstate.counters["drop-over-time-but-not-hop-limit-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-over-time-but-not-hop-limit-icmpv6-packets"]) return drop(pkt) end end @@ -696,8 +697,8 @@ local function icmpv6_incoming(lwstate, pkt) else -- No other types of ICMPv6, including echo request/reply, are -- handled. - counter.add(lwstate.counters["drop-unknown_protocol-icmpv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-unknown_protocol-icmpv6-packets"]) + counter.add(lwstate.counters["drop-unknown-protocol-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-unknown-protocol-icmpv6-packets"]) return drop(pkt) end end @@ -719,8 +720,8 @@ local function flush_decapsulation(lwstate) n_ethertype_ipv4) transmit_ipv4(lwstate, pkt) else - counter.add(lwstate.counters["drop-no_source_softwire-ipv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-no_source_softwire-ipv6-packets"]) + counter.add(lwstate.counters["drop-no-source-softwire-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-no-source-softwire-ipv6-packets"]) drop_ipv6_packet_from_bad_softwire(lwstate, pkt) end end @@ -739,16 +740,16 @@ local function from_b4(lwstate, pkt) if proto ~= proto_ipv4 then if proto == proto_icmpv6 then if lwstate.policy_icmpv6_incoming == lwconf.policies['DROP'] then - counter.add(lwstate.counters["drop-in_by_policy-icmpv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-in_by_policy-icmpv6-packets"]) + counter.add(lwstate.counters["drop-in-by-policy-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-in-by-policy-icmpv6-packets"]) return drop(pkt) else return icmpv6_incoming(lwstate, pkt) end else -- Drop packet with unknown protocol. - counter.add(lwstate.counters["drop-unknown_protocol-ipv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-unknown_protocol-ipv6-packets"]) + counter.add(lwstate.counters["drop-unknown-protocol-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-unknown-protocol-ipv6-packets"]) return drop(pkt) end end diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 5e21d9e629..436c6ee521 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -5,41 +5,11 @@ local config = require("core.config") local counter = require("core.counter") local lib = require("core.lib") local setup = require("program.lwaftr.setup") +-- Get the counter names from the code, so that any change there +-- has a chance to be automatically picked up by the tests. +local counter_names = require("apps.lwaftr.lwaftr").counter_names local counters_dir = "app/lwaftr/counters/" -local counter_names = { - --- Ingress. - "in-ipv4-bytes", - "in-ipv4-packets", - "in-ipv6-bytes", - "in-ipv6-packets", - --- Egress IP. - "out-ipv4-bytes", - "out-ipv4-packets", - "out-ipv6-bytes", - "out-ipv6-packets", - --- Egress ICMP. - "out-icmpv4-bytes", - "out-icmpv4-packets", - "out-icmpv6-bytes", - "out-icmpv6-packets", - --- Hairpinning. - "hairpin-ipv4-bytes", - "hairpin-ipv4-packets", - --- Drop v4. - --- All dropped v4. TODO: implement. - "drop-all-ipv4-bytes", - "drop-all-ipv4-packets", --- On IPv4 link, but not IPv4. - "drop-misplaced-ipv4-bytes", - "drop-misplaced-ipv4-packets", -} function show_usage(code) print(require("program.lwaftr.check.README_inc")) diff --git a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua index 9e3d304a4c..75951f0187 100644 --- a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua +++ b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua @@ -7,4 +7,7 @@ return { ["out-icmpv4-bytes"] = 590, ["out-icmpv4-packets"] = 1, + + ["drop-over-mtu-but-dont-fragment-ipv4-bytes"] = 1494, + ["drop-over-mtu-but-dont-fragment-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua index 9ede1dff4c..651fe2a20c 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua @@ -6,4 +6,9 @@ return { ["hairpin-ipv4-bytes"] = 98, ["hairpin-ipv4-packets"] = 1, + + ["drop-in-by-policy-icmpv4-bytes"] = 98, + ["drop-in-by-policy-icmpv4-packets"] = 1, + ["drop-no-dest-softwire-ipv4-bytes"] = 98, + ["drop-no-dest-softwire-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua new file mode 100644 index 0000000000..0a3fd12a78 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua @@ -0,0 +1,13 @@ +return { + ["in-ipv4-bytes"] = 66, + ["in-ipv4-packets"] = 1, + + ["out-ipv4-bytes"] = 94, + ["out-ipv4-packets"] = 1, + + ["out-icmpv4-bytes"] = 94, + ["out-icmpv4-packets"] = 1, + + ["drop-no-dest-softwire-ipv4-bytes"] = 66, + ["drop-no-dest-softwire-ipv4-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua index 63cdd06edc..4d5a621d34 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua @@ -1,4 +1,12 @@ return { ["in-ipv4-bytes"] = 66, ["in-ipv4-packets"] = 1, + + ["in-ipv4-bytes"] = 66, + ["in-ipv4-packets"] = 1, + + ["drop-no-dest-softwire-ipv4-bytes"] = 66, + ["drop-no-dest-softwire-ipv4-packets"] = 1, + ["drop-out-by-policy-icmpv4-bytes"] = 66, + ["drop-out-by-policy-icmpv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua index f694565c51..b5cc194040 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua @@ -1,4 +1,7 @@ return { ["in-ipv4-bytes"] = 98, ["in-ipv4-packets"] = 1, + + ["drop-bad-checksum-icmpv4-bytes"] = 98, + ["drop-bad-checksum-icmpv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua new file mode 100644 index 0000000000..e33d09021c --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua @@ -0,0 +1,7 @@ +return { + ["in-ipv4-bytes"] = 98, + ["in-ipv4-packets"] = 1, + + ["drop-in-by-policy-icmpv4-bytes"] = 98, + ["drop-in-by-policy-icmpv4-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua new file mode 100644 index 0000000000..af3e90d019 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua @@ -0,0 +1,9 @@ +return { + ["in-ipv4-bytes"] = 98, + ["in-ipv4-packets"] = 1, + + ["drop-in-by-policy-icmpv4-bytes"] = 98, + ["drop-in-by-policy-icmpv4-packets"] = 1, + ["drop-no-dest-softwire-ipv4-bytes"] = 98, + ["drop-no-dest-softwire-ipv4-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua index e741e539c4..9786f8e3fd 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua @@ -4,4 +4,7 @@ return { ["out-icmpv6-bytes"] = 154, ["out-icmpv6-packets"] = 1, + + ["drop-no-source-softwire-ipv6-bytes"] = 106, + ["drop-no-source-softwire-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua index c504bb4e16..34d211bdab 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua @@ -4,4 +4,7 @@ return { ["out-icmpv6-bytes"] = 186, ["out-icmpv6-packets"] = 1, + + ["drop-no-source-softwire-ipv6-bytes"] = 138, + ["drop-no-source-softwire-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua index 8ffe00064e..6cf360285a 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua @@ -1,4 +1,9 @@ return { ["in-ipv6-bytes"] = 106, ["in-ipv6-packets"] = 1, + + ["drop-no-source-softwire-ipv6-bytes"] = 106, + ["drop-no-source-softwire-ipv6-packets"] = 1, + ["drop-out-by-policy-icmpv6-bytes"] = 106, + ["drop-out-by-policy-icmpv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua index 753f48d250..d866f82dd0 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua @@ -1,4 +1,7 @@ return { ["in-ipv6-bytes"] = 154, ["in-ipv6-packets"] = 1, + + ["drop-over-time-but-not-hop-limit-icmpv6-bytes"] = 154, + ["drop-over-time-but-not-hop-limit-icmpv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua index 4ce27f025a..3aa828b53b 100644 --- a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua @@ -12,4 +12,7 @@ return { ["hairpin-ipv4-bytes"] = 160, ["hairpin-ipv4-packets"] = 2, + + ["drop-ttl-zero-ipv4-bytes"] = 66, + ["drop-ttl-zero-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4-1.lua b/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua similarity index 70% rename from src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4-1.lua rename to src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua index 3df5fbe3e6..57adef5973 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4-1.lua +++ b/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua @@ -7,4 +7,7 @@ return { ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, + + ["drop-ttl-zero-ipv4-bytes"] = 66, + ["drop-ttl-zero-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index e3b9b84548..9c658508b3 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -118,7 +118,7 @@ echo "Testing: from-internet IPv4 packet found in the binding table, original TT snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound-ttl1.pcap ${EMPTY}\ ${TEST_DATA}/icmpv4-time-expired.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua + ${COUNTERS}/tcp-frominet-bound-ttl1.lua echo "Testing: from-B4 IPv4 fragmentation (2)" snabb_run_and_cmp ${TEST_CONF}/small_ipv4_mtu_icmp_vlan.conf \ @@ -172,13 +172,13 @@ echo "Testing: from-internet IPv4 packet NOT found in the binding table (ICMP-on snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-unbound.pcap ${EMPTY} \ ${TEST_DATA}/icmpv4-dst-host-unreachable.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (matches IPv4, but not port) (ICMP-on-fail)." snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ ${TEST_DATA}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ @@ -333,13 +333,13 @@ echo "Testing: incoming ICMPv4 echo request, matches binding table, dropping ICM snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-2.lua + ${COUNTERS}/in-1p-ipv4-out-none-3.lua echo "Testing: incoming ICMPv4 echo request, doesn't match binding table" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/incoming-icmpv4-echo-request-unbound.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-2.lua + ${COUNTERS}/in-1p-ipv4-out-none-4.lua echo "Testing: incoming ICMPv4 echo reply, matches binding table" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ @@ -357,19 +357,19 @@ echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from int snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua echo "Testing: incoming ICMPv6 3,1 frag reasembly time exceeded, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ @@ -381,7 +381,7 @@ echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 0436b630da..e6b64b17fe 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -129,7 +129,7 @@ echo "Testing: from-internet IPv4 packet found in the binding table, original TT snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-bound-ttl1.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-time-expired.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua + ${COUNTERS}/tcp-frominet-bound-ttl1.lua echo "Testing: from-B4 IPv4 fragmentation (2)" snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ @@ -183,13 +183,13 @@ echo "Testing: from-internet IPv4 packet NOT found in the binding table (ICMP-on snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-dst-host-unreachable.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ @@ -356,13 +356,13 @@ echo "Testing: incoming ICMPv4 echo request, matches binding table, dropping ICM snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-2.lua + ${COUNTERS}/in-1p-ipv4-out-none-3.lua echo "Testing: incoming ICMPv4 echo request, doesn't match binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/incoming-icmpv4-echo-request-unbound.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-2.lua + ${COUNTERS}/in-1p-ipv4-out-none-4.lua echo "Testing: incoming ICMPv4 echo reply, matches binding table" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ @@ -380,19 +380,19 @@ echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from int snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua echo "Testing: incoming ICMPv6 3,1 frag reasembly time exceeded, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ @@ -404,7 +404,7 @@ echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ From 7d39e1db13eb023d002cfa332537cdd27bcb5654 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Thu, 19 May 2016 12:39:51 +0200 Subject: [PATCH 101/340] Implement drop-all counters --- src/apps/lwaftr/lwaftr.lua | 34 +++++++++++++++++++ .../data/counters/drop-misplaced-ipv4.lua | 2 ++ ...inet-ipv4-in-binding-big-packet-df-set.lua | 2 ++ ...4-tunneled-icmpv4-ping-hairpin-unbound.lua | 2 ++ .../counters/in-1p-ipv4-out-1p-icmpv4.lua | 2 ++ .../data/counters/in-1p-ipv4-out-none-1.lua | 2 ++ .../data/counters/in-1p-ipv4-out-none-2.lua | 2 ++ .../data/counters/in-1p-ipv4-out-none-3.lua | 2 ++ .../data/counters/in-1p-ipv4-out-none-4.lua | 2 ++ .../counters/in-1p-ipv6-out-1p-icmpv6-1.lua | 2 ++ .../counters/in-1p-ipv6-out-1p-icmpv6-2.lua | 2 ++ .../data/counters/in-1p-ipv6-out-none-1.lua | 2 ++ .../data/counters/in-1p-ipv6-out-none-2.lua | 2 ++ ...in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua | 2 ++ .../data/counters/tcp-frominet-bound-ttl1.lua | 2 ++ 15 files changed, 62 insertions(+) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 9ec0ea68c6..bbf2fa6d25 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -280,6 +280,8 @@ local function init_transmit_icmpv6_with_rate_limit(lwstate) else counter.add(lwstate.counters["drop-over-rate-limit-icmpv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-over-rate-limit-icmpv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-packets"]) return drop(pkt) end end @@ -401,6 +403,8 @@ local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) -- ICMP error messages off by policy; silently drop. counter.add(lwstate.counters["drop-out-by-policy-icmpv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-out-by-policy-icmpv4-packets"]) + counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv4-packets"]) return drop(pkt) end @@ -410,6 +414,8 @@ local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) -- TODO: isn't this prevented by from_inet? counter.add(lwstate.counters["drop-in-by-policy-icmpv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-in-by-policy-icmpv4-packets"]) + counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv4-packets"]) return drop(pkt) end @@ -432,6 +438,8 @@ local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt) -- ICMP error messages off by policy; silently drop. counter.add(lwstate.counters["drop-out-by-policy-icmpv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-out-by-policy-icmpv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-packets"]) return drop(pkt) end @@ -482,6 +490,8 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) if ttl == 0 then counter.add(lwstate.counters["drop-ttl-zero-ipv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-ttl-zero-ipv4-packets"]) + counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv4-packets"]) if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then counter.add(lwstate.counters["drop-out-by-policy-icmpv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-out-by-policy-icmpv4-packets"]) @@ -507,6 +517,8 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) if encapsulating_packet_with_df_flag_would_exceed_mtu(lwstate, pkt) then counter.add(lwstate.counters["drop-over-mtu-but-dont-fragment-ipv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-over-mtu-but-dont-fragment-ipv4-packets"]) + counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv4-packets"]) local reply = cannot_fragment_df_packet_error(lwstate, pkt) return transmit_icmpv4_reply(lwstate, reply, pkt) end @@ -551,6 +563,8 @@ local function flush_encapsulation(lwstate) if debug then print("lookup failed") end counter.add(lwstate.counters["drop-no-dest-softwire-ipv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-no-dest-softwire-ipv4-packets"]) + counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv4-packets"]) drop_ipv4_packet_to_unreachable_host(lwstate, pkt) end end @@ -578,6 +592,8 @@ local function icmpv4_incoming(lwstate, pkt) -- Silently drop the packet, as per RFC 5508 counter.add(lwstate.counters["drop-bad-checksum-icmpv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-bad-checksum-icmpv4-packets"]) + counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv4-packets"]) return drop(pkt) end @@ -626,6 +642,8 @@ local function from_inet(lwstate, pkt) if lwstate.policy_icmpv4_incoming == lwconf.policies['DROP'] then counter.add(lwstate.counters["drop-in-by-policy-icmpv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-in-by-policy-icmpv4-packets"]) + counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv4-packets"]) return drop(pkt) else return icmpv4_incoming(lwstate, pkt) @@ -672,6 +690,8 @@ local function icmpv6_incoming(lwstate, pkt) -- Invalid code. counter.add(lwstate.counters["drop-too-big-type-but-not-code-icmpv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-too-big-type-but-not-code-icmpv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-packets"]) return drop(pkt) end local mtu = get_icmp_mtu(icmp_header) - constants.ipv6_fixed_header_size @@ -687,6 +707,8 @@ local function icmpv6_incoming(lwstate, pkt) if icmp_code ~= constants.icmpv6_hop_limit_exceeded then counter.add(lwstate.counters["drop-over-time-but-not-hop-limit-icmpv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-over-time-but-not-hop-limit-icmpv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-packets"]) return drop(pkt) end end @@ -699,6 +721,8 @@ local function icmpv6_incoming(lwstate, pkt) -- handled. counter.add(lwstate.counters["drop-unknown-protocol-icmpv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-unknown-protocol-icmpv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-packets"]) return drop(pkt) end end @@ -722,6 +746,8 @@ local function flush_decapsulation(lwstate) else counter.add(lwstate.counters["drop-no-source-softwire-ipv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-no-source-softwire-ipv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-packets"]) drop_ipv6_packet_from_bad_softwire(lwstate, pkt) end end @@ -742,6 +768,8 @@ local function from_b4(lwstate, pkt) if lwstate.policy_icmpv6_incoming == lwconf.policies['DROP'] then counter.add(lwstate.counters["drop-in-by-policy-icmpv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-in-by-policy-icmpv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-packets"]) return drop(pkt) else return icmpv6_incoming(lwstate, pkt) @@ -750,6 +778,8 @@ local function from_b4(lwstate, pkt) -- Drop packet with unknown protocol. counter.add(lwstate.counters["drop-unknown-protocol-ipv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-unknown-protocol-ipv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-packets"]) return drop(pkt) end end @@ -828,6 +858,8 @@ function LwAftr:push () else counter.add(self.counters["drop-misplaced-ipv6-bytes"], pkt.length) counter.add(self.counters["drop-misplaced-ipv6-packets"]) + counter.add(self.counters["drop-all-ipv6-bytes"], pkt.length) + counter.add(self.counters["drop-all-ipv6-packets"]) drop(pkt) end end @@ -844,6 +876,8 @@ function LwAftr:push () else counter.add(self.counters["drop-misplaced-ipv4-bytes"], pkt.length) counter.add(self.counters["drop-misplaced-ipv4-packets"]) + counter.add(self.counters["drop-all-ipv4-bytes"], pkt.length) + counter.add(self.counters["drop-all-ipv4-packets"]) drop(pkt) end end diff --git a/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua b/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua index 39f886b316..c0fb86a8a0 100644 --- a/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua +++ b/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua @@ -1,4 +1,6 @@ return { ["drop-misplaced-ipv4-bytes"] = 106, ["drop-misplaced-ipv4-packets"] = 1, + ["drop-all-ipv4-bytes"] = 106, + ["drop-all-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua index 75951f0187..1fda44823b 100644 --- a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua +++ b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua @@ -10,4 +10,6 @@ return { ["drop-over-mtu-but-dont-fragment-ipv4-bytes"] = 1494, ["drop-over-mtu-but-dont-fragment-ipv4-packets"] = 1, + ["drop-all-ipv4-bytes"] = 1494, + ["drop-all-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua index 651fe2a20c..d1896f4811 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua @@ -11,4 +11,6 @@ return { ["drop-in-by-policy-icmpv4-packets"] = 1, ["drop-no-dest-softwire-ipv4-bytes"] = 98, ["drop-no-dest-softwire-ipv4-packets"] = 1, + ["drop-all-ipv4-bytes"] = 196, + ["drop-all-ipv4-packets"] = 2, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua index 0a3fd12a78..7bdcdd4154 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua @@ -10,4 +10,6 @@ return { ["drop-no-dest-softwire-ipv4-bytes"] = 66, ["drop-no-dest-softwire-ipv4-packets"] = 1, + ["drop-all-ipv4-bytes"] = 66, + ["drop-all-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua index 4d5a621d34..2782676c5c 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua @@ -9,4 +9,6 @@ return { ["drop-no-dest-softwire-ipv4-packets"] = 1, ["drop-out-by-policy-icmpv4-bytes"] = 66, ["drop-out-by-policy-icmpv4-packets"] = 1, + ["drop-all-ipv4-bytes"] = 132, + ["drop-all-ipv4-packets"] = 2, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua index b5cc194040..18d289dce8 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua @@ -4,4 +4,6 @@ return { ["drop-bad-checksum-icmpv4-bytes"] = 98, ["drop-bad-checksum-icmpv4-packets"] = 1, + ["drop-all-ipv4-bytes"] = 98, + ["drop-all-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua index e33d09021c..631d4f7fe2 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua @@ -4,4 +4,6 @@ return { ["drop-in-by-policy-icmpv4-bytes"] = 98, ["drop-in-by-policy-icmpv4-packets"] = 1, + ["drop-all-ipv4-bytes"] = 98, + ["drop-all-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua index af3e90d019..bcbbcd4e20 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua @@ -6,4 +6,6 @@ return { ["drop-in-by-policy-icmpv4-packets"] = 1, ["drop-no-dest-softwire-ipv4-bytes"] = 98, ["drop-no-dest-softwire-ipv4-packets"] = 1, + ["drop-all-ipv4-bytes"] = 196, + ["drop-all-ipv4-packets"] = 2, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua index 9786f8e3fd..f736685ada 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua @@ -7,4 +7,6 @@ return { ["drop-no-source-softwire-ipv6-bytes"] = 106, ["drop-no-source-softwire-ipv6-packets"] = 1, + ["drop-all-ipv6-bytes"] = 106, + ["drop-all-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua index 34d211bdab..ffc7f1014a 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua @@ -7,4 +7,6 @@ return { ["drop-no-source-softwire-ipv6-bytes"] = 138, ["drop-no-source-softwire-ipv6-packets"] = 1, + ["drop-all-ipv6-bytes"] = 138, + ["drop-all-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua index 6cf360285a..191c982301 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua @@ -6,4 +6,6 @@ return { ["drop-no-source-softwire-ipv6-packets"] = 1, ["drop-out-by-policy-icmpv6-bytes"] = 106, ["drop-out-by-policy-icmpv6-packets"] = 1, + ["drop-all-ipv6-bytes"] = 212, + ["drop-all-ipv6-packets"] = 2, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua index d866f82dd0..a26aab465a 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua @@ -4,4 +4,6 @@ return { ["drop-over-time-but-not-hop-limit-icmpv6-bytes"] = 154, ["drop-over-time-but-not-hop-limit-icmpv6-packets"] = 1, + ["drop-all-ipv6-bytes"] = 154, + ["drop-all-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua index 3aa828b53b..9b425f8060 100644 --- a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua @@ -15,4 +15,6 @@ return { ["drop-ttl-zero-ipv4-bytes"] = 66, ["drop-ttl-zero-ipv4-packets"] = 1, + ["drop-all-ipv4-bytes"] = 66, + ["drop-all-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua b/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua index 57adef5973..f9fcc515b5 100644 --- a/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua +++ b/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua @@ -10,4 +10,6 @@ return { ["drop-ttl-zero-ipv4-bytes"] = 66, ["drop-ttl-zero-ipv4-packets"] = 1, + ["drop-all-ipv4-bytes"] = 66, + ["drop-all-ipv4-packets"] = 1, } From a78d0c994c5686b26e49bf5cccfa3be2d1fe80fb Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Thu, 19 May 2016 12:41:23 +0200 Subject: [PATCH 102/340] Remove TODOs for drop-all counters --- src/apps/lwaftr/lwaftr.lua | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index bbf2fa6d25..f216f3ba91 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -52,9 +52,6 @@ local n_ethertype_ipv6 = constants.n_ethertype_ipv6 -- - reason: reasons for dropping; -- - protocol+version: "icmpv4", "icmpv6", "ipv4", "ipv6"; -- - size: "bytes", "packets". --- TODO: should the "drop-all-ipv4/6" aggregate counters be incremented all --- over the place, with the related runtime cost, or computed by summing --- the relevant counters less frequently or upon access? local counters_dir = "app/lwaftr/counters/" -- Referenced by program/check/check.lua counter_names = { @@ -83,7 +80,7 @@ counter_names = { -- Drop v4. --- All dropped v4. TODO: implement. +-- All dropped v4. "drop-all-ipv4-bytes", "drop-all-ipv4-packets", -- On IPv4 link, but not IPv4. @@ -110,7 +107,7 @@ counter_names = { -- Drop v6. --- All dropped v6. TODO: implement. +-- All dropped v6. "drop-all-ipv6-bytes", "drop-all-ipv6-packets", -- On IPv6 link, but not IPv6. From 1c90f574be3c42ee066ec4381c09ed669a4cb710 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Thu, 19 May 2016 12:44:04 +0200 Subject: [PATCH 103/340] Shorten long lines --- src/apps/lwaftr/lwaftr.lua | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index f216f3ba91..00982f283a 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -685,7 +685,8 @@ local function icmpv6_incoming(lwstate, pkt) if icmp_type == constants.icmpv6_packet_too_big then if icmp_code ~= constants.icmpv6_code_packet_too_big then -- Invalid code. - counter.add(lwstate.counters["drop-too-big-type-but-not-code-icmpv6-bytes"], pkt.length) + counter.add(lwstate.counters["drop-too-big-type-but-not-code-icmpv6-bytes"], + pkt.length) counter.add(lwstate.counters["drop-too-big-type-but-not-code-icmpv6-packets"]) counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-all-ipv6-packets"]) @@ -702,8 +703,10 @@ local function icmpv6_incoming(lwstate, pkt) -- If the time limit was exceeded, require it was a hop limit code if icmp_type == constants.icmpv6_time_limit_exceeded then if icmp_code ~= constants.icmpv6_hop_limit_exceeded then - counter.add(lwstate.counters["drop-over-time-but-not-hop-limit-icmpv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-over-time-but-not-hop-limit-icmpv6-packets"]) + counter.add(lwstate.counters[ + "drop-over-time-but-not-hop-limit-icmpv6-bytes"], pkt.length) + counter.add( + lwstate.counters["drop-over-time-but-not-hop-limit-icmpv6-packets"]) counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-all-ipv6-packets"]) return drop(pkt) From aafa4d9dda71dec3e897dcfa3acdc039de2611f3 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Thu, 19 May 2016 13:30:42 +0200 Subject: [PATCH 104/340] Remove obsolete tests --- src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh | 6 ------ src/program/lwaftr/tests/end-to-end/end-to-end.sh | 6 ------ 2 files changed, 12 deletions(-) diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index 9c658508b3..e50bf317a0 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -61,12 +61,6 @@ snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/ndp_outgoing_solicited_na.pcap \ ${COUNTERS}/empty.lua -echo "Testing: NDP: incoming NDP Neighbor Solicitation, secondary IP" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/ndp_incoming_ns_secondary.pcap \ - ${EMPTY} ${TEST_DATA}/ndp_outgoing_solicited_na_secondary.pcap \ - ${COUNTERS}/empty.lua - echo "Testing: NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/ndp_incoming_ns_nonlwaftr.pcap \ diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index e6b64b17fe..9bdcf6dfc8 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -60,12 +60,6 @@ snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/ndp_outgoing_solicited_na.pcap \ ${COUNTERS}/empty.lua -echo "Testing: NDP: incoming NDP Neighbor Solicitation, secondary IP" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/ndp_incoming_ns_secondary.pcap \ - ${EMPTY} ${TEST_BASE}/ndp_outgoing_solicited_na_secondary.pcap \ - ${COUNTERS}/empty.lua - echo "Testing: NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/ndp_incoming_ns_nonlwaftr.pcap \ From fd0bfe1d19c5160b835682bb33edcbf3410134b1 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Mon, 23 May 2016 17:51:17 +0200 Subject: [PATCH 105/340] Count hairpinned packets in out-ipv4 too --- src/apps/lwaftr/lwaftr.lua | 54 +++++++++---------- .../data/counters/from-to-b4-ipv6-hairpin.lua | 2 + ...4-tunneled-icmpv4-ping-hairpin-unbound.lua | 11 ++-- ...rom-to-b4-tunneled-icmpv4-ping-hairpin.lua | 2 + .../data/counters/in-1p-ipv4-out-none-1.lua | 5 +- .../data/counters/in-1p-ipv4-out-none-4.lua | 8 +-- .../data/counters/in-1p-ipv6-out-none-1.lua | 5 +- ...in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua | 8 +-- ...in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua | 8 +-- .../ndp-no-na-next-hop6-mac-not-set.lua | 4 +- 10 files changed, 55 insertions(+), 52 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 00982f283a..da32be6de8 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -56,31 +56,31 @@ local counters_dir = "app/lwaftr/counters/" -- Referenced by program/check/check.lua counter_names = { --- Ingress. +-- All incoming traffic. "in-ipv4-bytes", "in-ipv4-packets", "in-ipv6-bytes", "in-ipv6-packets", --- Egress IP. +-- Outgoing traffic, not including internally generated ICMP error packets. "out-ipv4-bytes", "out-ipv4-packets", "out-ipv6-bytes", "out-ipv6-packets", --- Egress ICMP. +-- Internally generated ICMP error packets. "out-icmpv4-bytes", "out-icmpv4-packets", "out-icmpv6-bytes", "out-icmpv6-packets", --- Hairpinning. +-- Hairpinned traffic. "hairpin-ipv4-bytes", "hairpin-ipv4-packets", --- Drop v4. +-- Dropped v4 traffic. --- All dropped v4. +-- All dropped IPv4 traffic. "drop-all-ipv4-bytes", "drop-all-ipv4-packets", -- On IPv4 link, but not IPv4. @@ -95,19 +95,22 @@ counter_names = { -- Big packets exceeding MTU, but DF (Don't Fragment) flag set. "drop-over-mtu-but-dont-fragment-ipv4-bytes", "drop-over-mtu-but-dont-fragment-ipv4-packets", --- Bad checksum. +-- Bad checksum on ICMPv4 packets. "drop-bad-checksum-icmpv4-bytes", "drop-bad-checksum-icmpv4-packets", +-- Incoming ICMPv4 packets with no destination (RFC 7596 section 8.1) + "drop-in-by-rfc7596-icmpv4-bytes", + "drop-in-by-rfc7596-icmpv4-packets", -- Policy of dropping incoming ICMPv4 packets. "drop-in-by-policy-icmpv4-bytes", "drop-in-by-policy-icmpv4-packets", --- Policy of dropping outgoing ICMPv4 packets. - "drop-out-by-policy-icmpv4-bytes", +-- Policy of dropping outgoing ICMPv4 error packets. +-- Not counting bytes because we do not even generate the packets. "drop-out-by-policy-icmpv4-packets", -- Drop v6. --- All dropped v6. +-- All dropped IPv6 traffic. "drop-all-ipv6-bytes", "drop-all-ipv6-packets", -- On IPv6 link, but not IPv6. @@ -125,17 +128,17 @@ counter_names = { -- "Packet too big" ICMPv6 type but not code. "drop-too-big-type-but-not-code-icmpv6-bytes", "drop-too-big-type-but-not-code-icmpv6-packets", --- Time-limit-exceeded, but not hop limit. +-- Time-limit-exceeded, but not hop limit on ICMPv6 packet. "drop-over-time-but-not-hop-limit-icmpv6-bytes", "drop-over-time-but-not-hop-limit-icmpv6-packets", --- Rate limit reached. +-- Drop outgoing ICMPv6 error packets because of rate limit reached. "drop-over-rate-limit-icmpv6-bytes", "drop-over-rate-limit-icmpv6-packets", -- Policy of dropping incoming ICMPv6 packets. "drop-in-by-policy-icmpv6-bytes", "drop-in-by-policy-icmpv6-packets", --- Policy of dropping outgoing ICMPv6 packets. - "drop-out-by-policy-icmpv6-bytes", +-- Policy of dropping outgoing ICMPv6 error packets. +-- Not counting bytes because we do not even generate the packets. "drop-out-by-policy-icmpv6-packets", } @@ -277,8 +280,6 @@ local function init_transmit_icmpv6_with_rate_limit(lwstate) else counter.add(lwstate.counters["drop-over-rate-limit-icmpv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-over-rate-limit-icmpv6-packets"]) - counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv6-packets"]) return drop(pkt) end end @@ -372,6 +373,8 @@ end local function transmit_ipv4(lwstate, pkt) local ipv4_header = get_ethernet_payload(pkt) local dst_ip = get_ipv4_dst_address(ipv4_header) + counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["out-ipv4-packets"]) if lwstate.hairpinning and ipv4_in_binding_table(lwstate, dst_ip) then -- The destination address is managed by the lwAFTR, so we need to -- hairpin this packet. Enqueue on the IPv4 interface, as if it @@ -380,8 +383,6 @@ local function transmit_ipv4(lwstate, pkt) counter.add(lwstate.counters["hairpin-ipv4-packets"]) return transmit(lwstate.input.v4, pkt) else - counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["out-ipv4-packets"]) return transmit(lwstate.o4, pkt) end end @@ -398,21 +399,16 @@ end local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then -- ICMP error messages off by policy; silently drop. - counter.add(lwstate.counters["drop-out-by-policy-icmpv4-bytes"], pkt.length) + -- Not counting bytes because we do not even generate the packets. counter.add(lwstate.counters["drop-out-by-policy-icmpv4-packets"]) - counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv4-packets"]) return drop(pkt) end if get_ipv4_proto(get_ethernet_payload(pkt)) == proto_icmp then -- RFC 7596 section 8.1 requires us to silently drop incoming -- ICMPv4 messages that don't match the binding table. - -- TODO: isn't this prevented by from_inet? - counter.add(lwstate.counters["drop-in-by-policy-icmpv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-in-by-policy-icmpv4-packets"]) - counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv4-packets"]) + counter.add(lwstate.counters["drop-in-by-rfc7596-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-in-by-rfc7596-icmpv4-packets"]) return drop(pkt) end @@ -433,10 +429,8 @@ end local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt) if lwstate.policy_icmpv6_outgoing == lwconf.policies['DROP'] then -- ICMP error messages off by policy; silently drop. - counter.add(lwstate.counters["drop-out-by-policy-icmpv6-bytes"], pkt.length) + -- Not counting bytes because we do not even generate the packets. counter.add(lwstate.counters["drop-out-by-policy-icmpv6-packets"]) - counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv6-packets"]) return drop(pkt) end @@ -490,7 +484,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-all-ipv4-packets"]) if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then - counter.add(lwstate.counters["drop-out-by-policy-icmpv4-bytes"], pkt.length) + -- Not counting bytes because we do not even generate the packets. counter.add(lwstate.counters["drop-out-by-policy-icmpv4-packets"]) return drop(pkt) end diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua index 39a6d9b496..c7e08f7ba2 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua @@ -4,6 +4,8 @@ return { ["in-ipv6-bytes"] = 106, ["in-ipv6-packets"] = 1, + ["out-ipv4-bytes"] = 66, + ["out-ipv4-packets"] = 1, ["out-ipv6-bytes"] = 106, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua index d1896f4811..3d64f278a6 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua @@ -4,13 +4,16 @@ return { ["in-ipv6-bytes"] = 138, ["in-ipv6-packets"] = 1, + ["out-ipv4-bytes"] = 98, + ["out-ipv4-packets"] = 1, + ["hairpin-ipv4-bytes"] = 98, ["hairpin-ipv4-packets"] = 1, - ["drop-in-by-policy-icmpv4-bytes"] = 98, - ["drop-in-by-policy-icmpv4-packets"] = 1, + ["drop-in-by-rfc7596-icmpv4-bytes"] = 98, + ["drop-in-by-rfc7596-icmpv4-packets"] = 1, ["drop-no-dest-softwire-ipv4-bytes"] = 98, ["drop-no-dest-softwire-ipv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 196, - ["drop-all-ipv4-packets"] = 2, + ["drop-all-ipv4-bytes"] = 98, + ["drop-all-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua index 4d366006ea..55297e2d9c 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua @@ -4,6 +4,8 @@ return { ["in-ipv6-bytes"] = 138, ["in-ipv6-packets"] = 1, + ["out-ipv4-bytes"] = 98, + ["out-ipv4-packets"] = 1, ["out-ipv6-bytes"] = 138, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua index 2782676c5c..90c7f9f8e9 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua @@ -7,8 +7,7 @@ return { ["drop-no-dest-softwire-ipv4-bytes"] = 66, ["drop-no-dest-softwire-ipv4-packets"] = 1, - ["drop-out-by-policy-icmpv4-bytes"] = 66, ["drop-out-by-policy-icmpv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 132, - ["drop-all-ipv4-packets"] = 2, + ["drop-all-ipv4-bytes"] = 66, + ["drop-all-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua index bcbbcd4e20..428d2dd99d 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua @@ -2,10 +2,10 @@ return { ["in-ipv4-bytes"] = 98, ["in-ipv4-packets"] = 1, - ["drop-in-by-policy-icmpv4-bytes"] = 98, - ["drop-in-by-policy-icmpv4-packets"] = 1, + ["drop-in-by-rfc7596-icmpv4-bytes"] = 98, + ["drop-in-by-rfc7596-icmpv4-packets"] = 1, ["drop-no-dest-softwire-ipv4-bytes"] = 98, ["drop-no-dest-softwire-ipv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 196, - ["drop-all-ipv4-packets"] = 2, + ["drop-all-ipv4-bytes"] = 98, + ["drop-all-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua index 191c982301..9569807b39 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua @@ -4,8 +4,7 @@ return { ["drop-no-source-softwire-ipv6-bytes"] = 106, ["drop-no-source-softwire-ipv6-packets"] = 1, - ["drop-out-by-policy-icmpv6-bytes"] = 106, ["drop-out-by-policy-icmpv6-packets"] = 1, - ["drop-all-ipv6-bytes"] = 212, - ["drop-all-ipv6-packets"] = 2, + ["drop-all-ipv6-bytes"] = 106, + ["drop-all-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua index 9b425f8060..bd83c596a4 100644 --- a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua @@ -4,12 +4,14 @@ return { ["in-ipv6-bytes"] = 106, ["in-ipv6-packets"] = 1, - ["out-icmpv4-bytes"] = 94, - ["out-icmpv4-packets"] = 1, - + ["out-ipv4-bytes"] = 160, + ["out-ipv4-packets"] = 2, ["out-ipv6-bytes"] = 134, ["out-ipv6-packets"] = 1, + ["out-icmpv4-bytes"] = 94, + ["out-icmpv4-packets"] = 1, + ["hairpin-ipv4-bytes"] = 160, ["hairpin-ipv4-packets"] = 2, diff --git a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua index 139c4b2ed8..2dcfb79e40 100644 --- a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua @@ -4,12 +4,14 @@ return { ["in-ipv6-bytes"] = 154, ["in-ipv6-packets"] = 1, - ["out-icmpv4-bytes"] = 94, - ["out-icmpv4-packets"] = 1, - + ["out-ipv4-bytes"] = 94, + ["out-ipv4-packets"] = 1, ["out-ipv6-bytes"] = 134, ["out-ipv6-packets"] = 1, + ["out-icmpv4-bytes"] = 94, + ["out-icmpv4-packets"] = 1, + ["hairpin-ipv4-bytes"] = 94, ["hairpin-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua index 6c4e17b18e..44d36091aa 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua @@ -4,8 +4,8 @@ return { ["in-ipv6-bytes"] = 212, ["in-ipv6-packets"] = 2, - ["out-ipv4-bytes"] = 66, - ["out-ipv4-packets"] = 1, + ["out-ipv4-bytes"] = 132, + ["out-ipv4-packets"] = 2, ["out-ipv6-bytes"] = 106, ["out-ipv6-packets"] = 1, From f64f07efbc956bf17d9e8956b8c1f24ea481d390 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Mon, 6 Jun 2016 13:21:44 +0200 Subject: [PATCH 106/340] Do not count internally generated ICMPv4 packets in out-ipv4 --- src/apps/lwaftr/lwaftr.lua | 5 ++++- .../counters/in-1p-ipv6-out-1p-icmpv4.lua | 3 --- ...in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua | 17 --------------- .../tests/end-to-end/end-to-end-vlan.sh | 21 ++++++++++--------- .../lwaftr/tests/end-to-end/end-to-end.sh | 21 ++++++++++--------- 5 files changed, 26 insertions(+), 41 deletions(-) delete mode 100644 src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index da32be6de8..127267f7d7 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -391,7 +391,10 @@ local function transmit_icmpv4_reply(lwstate, pkt, orig_pkt) drop(orig_pkt) counter.add(lwstate.counters["out-icmpv4-bytes"], pkt.length) counter.add(lwstate.counters["out-icmpv4-packets"]) - return transmit_ipv4(lwstate, pkt) + -- Only locally generated error packets are handled here. We transmit + -- them right away, instead of calling transmit_ipv4, because they are + -- never hairpinned and should not be counted by the "out-ipv4" counter. + return transmit(lwstate.o4, pkt) end -- ICMPv4 type 3 code 1, as per RFC 7596. diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua index 1525cb9eb5..366970ef6b 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua @@ -2,9 +2,6 @@ return { ["in-ipv6-bytes"] = 154, ["in-ipv6-packets"] = 1, - ["out-ipv4-bytes"] = 94, - ["out-ipv4-packets"] = 1, - ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua deleted file mode 100644 index 2dcfb79e40..0000000000 --- a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua +++ /dev/null @@ -1,17 +0,0 @@ -return { - ["in-ipv4-bytes"] = 94, - ["in-ipv4-packets"] = 1, - ["in-ipv6-bytes"] = 154, - ["in-ipv6-packets"] = 1, - - ["out-ipv4-bytes"] = 94, - ["out-ipv4-packets"] = 1, - ["out-ipv6-bytes"] = 134, - ["out-ipv6-packets"] = 1, - - ["out-icmpv4-bytes"] = 94, - ["out-icmpv4-packets"] = 1, - - ["hairpin-ipv4-bytes"] = 94, - ["hairpin-ipv4-packets"] = 1, -} diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index e50bf317a0..c082db1c74 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -253,11 +253,11 @@ snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-2.lua -echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ - ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua +# FIXME: fix and reenable this test. +# echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" +# snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ +# ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ +# ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ @@ -377,11 +377,12 @@ snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua -echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ - ${EMPTY} ${TEST_DATA}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ - ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua +# FIXME: fix and reenable this test. +# echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" +# snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ +# ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ +# ${EMPTY} ${TEST_DATA}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ +# ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua # Ingress filters diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 9bdcf6dfc8..85c3d592a1 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -270,11 +270,11 @@ snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-2.lua -echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ - ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua +# FIXME: fix and reenable this test. +# echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" +# snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ +# ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ +# ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap echo "Testing: from-to-b4 IPv6 packet, with hairpinning, with vlan tag" snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ @@ -400,11 +400,12 @@ snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua -echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ - ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ - ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-2.lua +# FIXME: fix and reenable this test. +# echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" +# snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ +# ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ +# ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ +# ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua # Ingress filters From cb791901b9bcb92d8c72f379ff54a95ba8aa1e4e Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Mon, 6 Jun 2016 20:27:47 +0200 Subject: [PATCH 107/340] Fix ICMP error encapsulation to hosts behind B4s --- src/apps/lwaftr/lwaftr.lua | 17 +++++++++++++---- .../lwaftr/tests/end-to-end/end-to-end-vlan.sh | 9 ++++----- .../lwaftr/tests/end-to-end/end-to-end.sh | 9 ++++----- 3 files changed, 21 insertions(+), 14 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 127267f7d7..c05709330f 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -387,14 +387,23 @@ local function transmit_ipv4(lwstate, pkt) end end +-- Only locally generated error packets are handled here. We transmit +-- them right away, instead of calling transmit_ipv4, because they are +-- never hairpinned and should not be counted by the "out-ipv4" counter. +-- However, they should be tunneled if the error is to be sent to a host +-- behind a B4, whether or not hairpinning is enabled; this is not hairpinning. local function transmit_icmpv4_reply(lwstate, pkt, orig_pkt) drop(orig_pkt) counter.add(lwstate.counters["out-icmpv4-bytes"], pkt.length) counter.add(lwstate.counters["out-icmpv4-packets"]) - -- Only locally generated error packets are handled here. We transmit - -- them right away, instead of calling transmit_ipv4, because they are - -- never hairpinned and should not be counted by the "out-ipv4" counter. - return transmit(lwstate.o4, pkt) + + local ipv4_header = get_ethernet_payload(pkt) + local dst_ip = get_ipv4_dst_address(ipv4_header) + if ipv4_in_binding_table(lwstate, dst_ip) then + return transmit(lwstate.input.v4, pkt) + else + return transmit(lwstate.o4, pkt) + end end -- ICMPv4 type 3 code 1, as per RFC 7596. diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index c082db1c74..0fde59dc2d 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -253,11 +253,10 @@ snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-2.lua -# FIXME: fix and reenable this test. -# echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" -# snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ -# ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ -# ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap +echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" +snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ + ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ + ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 85c3d592a1..2b9a0b14dc 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -270,11 +270,10 @@ snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-2.lua -# FIXME: fix and reenable this test. -# echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" -# snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ -# ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ -# ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap +echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap echo "Testing: from-to-b4 IPv6 packet, with hairpinning, with vlan tag" snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ From 8692f217d4b9ebe89ed252f8e75d841ff42ea511 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Wed, 8 Jun 2016 11:38:46 +0200 Subject: [PATCH 108/340] Remove phantom IPv4 packets while hairpinning It now correctly uses LL rather than floats, after discussion with wingo and teknico. --- src/apps/lwaftr/lwaftr.lua | 23 +++++++++++++++++-- .../data/counters/from-to-b4-ipv6-hairpin.lua | 4 ---- ...rom-to-b4-tunneled-icmpv4-ping-hairpin.lua | 4 ---- .../ndp-no-na-next-hop6-mac-not-set.lua | 6 ++--- 4 files changed, 23 insertions(+), 14 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index c05709330f..6854fcc8ac 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -370,19 +370,38 @@ local function in_binding_table(lwstate, ipv6_src_ip, ipv6_dst_ip, ipv4_src_ip, return b4 and ipv6_equals(b4, ipv6_src_ip) and ipv6_equals(br, ipv6_dst_ip) end +-- Hairpinned packets need to be handled quite carefully. We've decided they: +-- * should increment hairpin-ipv4-bytes and hairpin-ipv4-packets +-- * should increment [in|out]-ipv6-[bytes|packets] +-- * should NOT increment [in|out]-ipv4-[bytes|packets] +-- The latter is because decapsulating and re-encapsulating them via IPv4 +-- packets is an internal implementation detail that DOES NOT go out over +-- physical wires. +-- Not incrementing out-ipv4-bytes and out-ipv4-packets is straightforward. +-- Not incrementing in-ipv4-[bytes|packets] is harder. The easy way would be +-- to add extra flags and conditionals, but it's expected that a high enough +-- percentage of traffic might be hairpinned that this could be problematic, +-- (and a nightmare as soon as we add any kind of parallelism) +-- so instead we speculatively decrement the counters here. +-- It is assumed that any packet we transmit to lwstate.input.v4 will not +-- be dropped before the in-ipv4-[bytes|packets] counters are incremented; +-- I *think* this approach bypasses using the physical NIC but am not +-- absolutely certain. local function transmit_ipv4(lwstate, pkt) local ipv4_header = get_ethernet_payload(pkt) local dst_ip = get_ipv4_dst_address(ipv4_header) - counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["out-ipv4-packets"]) if lwstate.hairpinning and ipv4_in_binding_table(lwstate, dst_ip) then -- The destination address is managed by the lwAFTR, so we need to -- hairpin this packet. Enqueue on the IPv4 interface, as if it -- came from the internet. + counter.add(lwstate.counters["in-ipv4-bytes"], 0LL - pkt.length) + counter.add(lwstate.counters["in-ipv4-packets"], -1LL) counter.add(lwstate.counters["hairpin-ipv4-bytes"], pkt.length) counter.add(lwstate.counters["hairpin-ipv4-packets"]) return transmit(lwstate.input.v4, pkt) else + counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["out-ipv4-packets"]) return transmit(lwstate.o4, pkt) end end diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua index c7e08f7ba2..39cf9fa6c1 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua @@ -1,11 +1,7 @@ return { - ["in-ipv4-bytes"] = 66, - ["in-ipv4-packets"] = 1, ["in-ipv6-bytes"] = 106, ["in-ipv6-packets"] = 1, - ["out-ipv4-bytes"] = 66, - ["out-ipv4-packets"] = 1, ["out-ipv6-bytes"] = 106, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua index 55297e2d9c..1e6347b6dd 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua @@ -1,11 +1,7 @@ return { - ["in-ipv4-bytes"] = 98, - ["in-ipv4-packets"] = 1, ["in-ipv6-bytes"] = 138, ["in-ipv6-packets"] = 1, - ["out-ipv4-bytes"] = 98, - ["out-ipv4-packets"] = 1, ["out-ipv6-bytes"] = 138, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua index 44d36091aa..a34d5ad80a 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua @@ -1,11 +1,9 @@ return { - ["in-ipv4-bytes"] = 66, - ["in-ipv4-packets"] = 1, ["in-ipv6-bytes"] = 212, ["in-ipv6-packets"] = 2, - ["out-ipv4-bytes"] = 132, - ["out-ipv4-packets"] = 2, + ["out-ipv4-bytes"] = 66, + ["out-ipv4-packets"] = 1, ["out-ipv6-bytes"] = 106, ["out-ipv6-packets"] = 1, From 39cc6e0195fff0ca2396a1d3c5a4ea344a9650d4 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Thu, 14 Jul 2016 09:06:10 +0200 Subject: [PATCH 109/340] Extract the lookup queue from the binding table Extract the lookup queue code from BindingTable into its own BTLookupQueue object, and instantiate it outside of BindingTable --- src/apps/lwaftr/binding_table.lua | 78 ++++++++++++++++++------------- src/apps/lwaftr/lwaftr.lua | 24 +++++----- 2 files changed, 57 insertions(+), 45 deletions(-) diff --git a/src/apps/lwaftr/binding_table.lua b/src/apps/lwaftr/binding_table.lua index 0b11ceb7a7..61c5ca9e53 100644 --- a/src/apps/lwaftr/binding_table.lua +++ b/src/apps/lwaftr/binding_table.lua @@ -149,72 +149,84 @@ local function hash_softwire(key) return hash_i32(bxor(ipv4, hash_i32(psid))) end -local BindingTable = {} -function BindingTable.new(psid_map, br_addresses, br_address_count, - softwires) +BTLookupQueue = {} + +-- BTLookupQueue needs a binding table to get softwires, BR addresses +-- and PSID lookup. +function BTLookupQueue.new(binding_table) local ret = { - psid_map = assert(psid_map), - br_addresses = assert(br_addresses), - br_address_count = assert(br_address_count), - softwires = assert(softwires) + binding_table = assert(binding_table), } - ret.streamer = softwires:make_lookup_streamer(32) + ret.streamer = binding_table.softwires:make_lookup_streamer(32) ret.packet_queue = ffi.new("struct packet * [32]") - ret.lookup_queue_len = 0 - return setmetatable(ret, {__index=BindingTable}) + ret.length = 0 + return setmetatable(ret, {__index=BTLookupQueue}) end -local lookup_key = softwire_key_t() -function BindingTable:lookup(ipv4, port) - local psid = self:lookup_psid(ipv4, port) - lookup_key.ipv4 = ipv4 - lookup_key.psid = psid - local res = self.softwires:lookup(lookup_key) - if res then return self.softwires:val_at(res) end - return nil -end - -function BindingTable:enqueue_lookup(pkt, ipv4, port) - local n = self.lookup_queue_len +function BTLookupQueue:enqueue_lookup(pkt, ipv4, port) + local n = self.length local streamer = self.streamer streamer.entries[n].key.ipv4 = ipv4 streamer.entries[n].key.psid = port self.packet_queue[n] = pkt n = n + 1 - self.lookup_queue_len = n + self.length = n return n == 32 end -function BindingTable:process_lookup_queue() - if self.lookup_queue_len > 0 then +function BTLookupQueue:process_queue() + if self.length > 0 then local streamer = self.streamer - for n = 0, self.lookup_queue_len-1 do + for n = 0, self.length-1 do local ipv4 = streamer.entries[n].key.ipv4 local port = streamer.entries[n].key.psid - streamer.entries[n].key.psid = self:lookup_psid(ipv4, port) + streamer.entries[n].key.psid = self.binding_table:lookup_psid(ipv4, port) end streamer:stream() end - return self.lookup_queue_len + return self.length end -function BindingTable:get_enqueued_lookup(n) - if n < self.lookup_queue_len then +function BTLookupQueue:get_lookup(n) + if n < self.length then local streamer = self.streamer local pkt, b4_ipv6, br_ipv6 pkt = self.packet_queue[n] self.packet_queue[n] = nil if not streamer:is_empty(n) then b4_ipv6 = streamer.entries[n].value.b4_ipv6 - br_ipv6 = self:get_br_address(streamer.entries[n].value.br) + br_ipv6 = self.binding_table:get_br_address(streamer.entries[n].value.br) end return pkt, b4_ipv6, br_ipv6 end end -function BindingTable:reset_lookup_queue() - self.lookup_queue_len = 0 +function BTLookupQueue:reset_queue() + self.length = 0 +end + +local BindingTable = {} + +function BindingTable.new(psid_map, br_addresses, br_address_count, + softwires) + local ret = { + psid_map = assert(psid_map), + br_addresses = assert(br_addresses), + br_address_count = assert(br_address_count), + softwires = assert(softwires) + } + return setmetatable(ret, {__index=BindingTable}) +end + +local lookup_key = softwire_key_t() +function BindingTable:lookup(ipv4, port) + local psid = self:lookup_psid(ipv4, port) + lookup_key.ipv4 = ipv4 + lookup_key.psid = psid + local res = self.softwires:lookup(lookup_key) + if res then return self.softwires:val_at(res) end + return nil end function BindingTable:is_managed_ipv4_address(ipv4) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 6854fcc8ac..5358ae7609 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -314,6 +314,7 @@ function LwAftr:new(conf) o.policy_icmpv6_outgoing = conf.policy_icmpv6_outgoing o.binding_table = conf.preloaded_binding_table or bt.load(o.conf.binding_table) + o.lookup_queue = bt.BTLookupQueue.new(o.binding_table) o.control = channel.create('lwaftr/control', messages.lwaftr_message_t) @@ -567,17 +568,16 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) end local function enqueue_lookup(lwstate, pkt, ipv4, port, flush) - local bt = lwstate.binding_table - if bt:enqueue_lookup(pkt, ipv4, port) then + if lwstate.lookup_queue:enqueue_lookup(pkt, ipv4, port) then flush(lwstate) end end local function flush_encapsulation(lwstate) - local bt = lwstate.binding_table - bt:process_lookup_queue() - for n = 0, bt.lookup_queue_len - 1 do - local pkt, ipv6_dst, ipv6_src = bt:get_enqueued_lookup(n) + local lq = lwstate.lookup_queue + lq:process_queue() + for n = 0, lq.length - 1 do + local pkt, ipv6_dst, ipv6_src = lq:get_lookup(n) if ipv6_dst then encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) else @@ -590,7 +590,7 @@ local function flush_encapsulation(lwstate) drop_ipv4_packet_to_unreachable_host(lwstate, pkt) end end - bt:reset_lookup_queue() + lq:reset_queue() end local function enqueue_encapsulation(lwstate, pkt, ipv4, port) @@ -753,10 +753,10 @@ local function icmpv6_incoming(lwstate, pkt) end local function flush_decapsulation(lwstate) - local bt = lwstate.binding_table - bt:process_lookup_queue() - for n = 0, bt.lookup_queue_len - 1 do - local pkt, b4_addr, br_addr = bt:get_enqueued_lookup(n) + local lq = lwstate.lookup_queue + lq:process_queue() + for n = 0, lq.length - 1 do + local pkt, b4_addr, br_addr = lq:get_lookup(n) local ipv6_header = get_ethernet_payload(pkt) if (b4_addr @@ -776,7 +776,7 @@ local function flush_decapsulation(lwstate) drop_ipv6_packet_from_bad_softwire(lwstate, pkt) end end - bt:reset_lookup_queue() + lq:reset_queue() end local function enqueue_decapsulation(lwstate, pkt, ipv4, port) From f78bd2072d82d9320f3b82836feb369f62b2dab6 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Mon, 18 Jul 2016 17:23:55 +0200 Subject: [PATCH 110/340] Add drop counters, with tests Includes adding a separate pipeline for looking up hairpinned packets. --- src/apps/lwaftr/lwaftr.lua | 202 +++++++++++------- src/program/lwaftr/setup.lua | 3 + .../data/counters/drop-misplaced-not-ipv4.lua | 7 + ...inet-ipv4-in-binding-big-packet-df-set.lua | 4 +- ...4-tunneled-icmpv4-ping-hairpin-unbound.lua | 12 +- .../counters/in-1p-ipv4-out-1p-icmpv4.lua | 4 +- .../data/counters/in-1p-ipv4-out-none-1.lua | 7 +- .../data/counters/in-1p-ipv4-out-none-2.lua | 4 +- .../data/counters/in-1p-ipv4-out-none-3.lua | 4 +- .../data/counters/in-1p-ipv4-out-none-4.lua | 5 +- .../counters/in-1p-ipv6-out-1p-icmpv4.lua | 3 + .../counters/in-1p-ipv6-out-1p-icmpv6-1.lua | 4 +- .../counters/in-1p-ipv6-out-1p-icmpv6-2.lua | 4 +- .../data/counters/in-1p-ipv6-out-none-1.lua | 4 +- .../data/counters/in-1p-ipv6-out-none-2.lua | 4 +- ...in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua | 15 +- .../data/counters/tcp-frominet-bound-ttl1.lua | 4 +- .../tests/end-to-end/end-to-end-vlan.sh | 3 +- .../lwaftr/tests/end-to-end/end-to-end.sh | 5 +- 19 files changed, 181 insertions(+), 117 deletions(-) create mode 100644 src/program/lwaftr/tests/data/counters/drop-misplaced-not-ipv4.lua diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 5358ae7609..23ea6d33a7 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -35,6 +35,11 @@ local ntohs, ntohl = htons, htonl local keys = lwutil.keys local write_eth_header, write_ipv6_header = lwheader.write_eth_header, lwheader.write_ipv6_header +-- Note whether an IPv4 packet is actually coming from the internet, or from +-- a b4 and hairpinned to be re-encapsulated in another IPv6 packet. +PKT_FROM_INET = 1 +PKT_HAIRPINNED = 2 + local debug = false -- Local bindings for constants that are used in the hot path of the @@ -42,6 +47,7 @@ local debug = false local ethernet_header_size = constants.ethernet_header_size local n_ethertype_ipv4 = constants.n_ethertype_ipv4 local n_ethertype_ipv6 = constants.n_ethertype_ipv6 +local ipv6_fixed_header_size = constants.ipv6_fixed_header_size -- COUNTERS -- The lwAFTR counters all live in the same directory, and their filenames are @@ -80,12 +86,12 @@ counter_names = { -- Dropped v4 traffic. --- All dropped IPv4 traffic. - "drop-all-ipv4-bytes", - "drop-all-ipv4-packets", +-- All dropped traffic on the IPv4 interface. + "drop-all-ipv4-iface-bytes", + "drop-all-ipv4-iface-packets", -- On IPv4 link, but not IPv4. - "drop-misplaced-ipv4-bytes", - "drop-misplaced-ipv4-packets", + "drop-misplaced-not-ipv4-bytes", + "drop-misplaced-not-ipv4-packets", -- No matching destination softwire. "drop-no-dest-softwire-ipv4-bytes", "drop-no-dest-softwire-ipv4-packets", @@ -110,12 +116,12 @@ counter_names = { -- Drop v6. --- All dropped IPv6 traffic. - "drop-all-ipv6-bytes", - "drop-all-ipv6-packets", +-- All dropped traffic on the IPv4 interface. + "drop-all-ipv6-iface-bytes", + "drop-all-ipv6-iface-packets", -- On IPv6 link, but not IPv6. - "drop-misplaced-ipv6-bytes", - "drop-misplaced-ipv6-packets", + "drop-misplaced-not-ipv6-bytes", + "drop-misplaced-not-ipv6-packets", -- Unknown IPv6 protocol. "drop-unknown-protocol-ipv6-bytes", "drop-unknown-protocol-ipv6-packets", @@ -252,6 +258,21 @@ local function drop(pkt) packet.free(pkt) end +local function drop_ipv4(lwstate, pkt, pkt_src_link) + if pkt_src_link == PKT_FROM_INET then + counter.add(lwstate.counters["drop-all-ipv4-iface-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv4-iface-packets"]) + elseif pkt_src_link == PKT_HAIRPINNED then + -- B4s emit packets with no IPv6 extension headers. + local orig_packet_len = pkt.length + ipv6_fixed_header_size + counter.add(lwstate.counters["drop-all-ipv6-iface-bytes"], orig_packet_len) + counter.add(lwstate.counters["drop-all-ipv6-iface-packets"]) + else + assert(false, "Programming error, bad pkt_src_link: " .. pkt_src_link) + end + return drop(pkt) +end + local transmit_icmpv6_with_rate_limit local function init_transmit_icmpv6_with_rate_limit(lwstate) @@ -314,7 +335,8 @@ function LwAftr:new(conf) o.policy_icmpv6_outgoing = conf.policy_icmpv6_outgoing o.binding_table = conf.preloaded_binding_table or bt.load(o.conf.binding_table) - o.lookup_queue = bt.BTLookupQueue.new(o.binding_table) + o.inet_lookup_queue = bt.BTLookupQueue.new(o.binding_table) + o.hairpin_lookup_queue = bt.BTLookupQueue.new(o.binding_table) o.control = channel.create('lwaftr/control', messages.lwaftr_message_t) @@ -395,11 +417,9 @@ local function transmit_ipv4(lwstate, pkt) -- The destination address is managed by the lwAFTR, so we need to -- hairpin this packet. Enqueue on the IPv4 interface, as if it -- came from the internet. - counter.add(lwstate.counters["in-ipv4-bytes"], 0LL - pkt.length) - counter.add(lwstate.counters["in-ipv4-packets"], -1LL) counter.add(lwstate.counters["hairpin-ipv4-bytes"], pkt.length) counter.add(lwstate.counters["hairpin-ipv4-packets"]) - return transmit(lwstate.input.v4, pkt) + return transmit(lwstate.input.hairpin_in, pkt) else counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) counter.add(lwstate.counters["out-ipv4-packets"]) @@ -412,6 +432,9 @@ end -- never hairpinned and should not be counted by the "out-ipv4" counter. -- However, they should be tunneled if the error is to be sent to a host -- behind a B4, whether or not hairpinning is enabled; this is not hairpinning. +-- ... and the tunneling should happen via the 'hairpinning' queue, to make +-- sure counters are handled appropriately, despite this not being hairpinning. +-- This avoids having phantom incoming IPv4 packets. local function transmit_icmpv4_reply(lwstate, pkt, orig_pkt) drop(orig_pkt) counter.add(lwstate.counters["out-icmpv4-bytes"], pkt.length) @@ -420,20 +443,25 @@ local function transmit_icmpv4_reply(lwstate, pkt, orig_pkt) local ipv4_header = get_ethernet_payload(pkt) local dst_ip = get_ipv4_dst_address(ipv4_header) if ipv4_in_binding_table(lwstate, dst_ip) then - return transmit(lwstate.input.v4, pkt) + return transmit(lwstate.input.hairpin_in, pkt) else + counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["out-ipv4-packets"]) return transmit(lwstate.o4, pkt) end end -- ICMPv4 type 3 code 1, as per RFC 7596. -- The target IPv4 address + port is not in the table. -local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) +local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, pkt_src_link) + counter.add(lwstate.counters["drop-no-dest-softwire-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["drop-no-dest-softwire-ipv4-packets"]) + if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then -- ICMP error messages off by policy; silently drop. -- Not counting bytes because we do not even generate the packets. counter.add(lwstate.counters["drop-out-by-policy-icmpv4-packets"]) - return drop(pkt) + return drop_ipv4(lwstate, pkt, pkt_src_link) end if get_ipv4_proto(get_ethernet_payload(pkt)) == proto_icmp then @@ -441,7 +469,7 @@ local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) -- ICMPv4 messages that don't match the binding table. counter.add(lwstate.counters["drop-in-by-rfc7596-icmpv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-in-by-rfc7596-icmpv4-packets"]) - return drop(pkt) + return drop_ipv4(lwstate, pkt, pkt_src_link) end local ipv4_header = get_ethernet_payload(pkt) @@ -453,6 +481,8 @@ local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, to_ip) local icmp_dis = icmp.new_icmpv4_packet( lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, to_ip, pkt, ethernet_header_size, icmp_config) + + drop_ipv4(lwstate, pkt, pkt_src_link) return transmit_icmpv4_reply(lwstate, icmp_dis, pkt) end @@ -507,14 +537,12 @@ local function cannot_fragment_df_packet_error(lwstate, pkt) ethernet_header_size, icmp_config) end -local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) +local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_src_link) -- Do not encapsulate packets that now have a ttl of zero or wrapped around local ttl = decrement_ttl(pkt) if ttl == 0 then counter.add(lwstate.counters["drop-ttl-zero-ipv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-ttl-zero-ipv4-packets"]) - counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv4-packets"]) if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then -- Not counting bytes because we do not even generate the packets. counter.add(lwstate.counters["drop-out-by-policy-icmpv4-packets"]) @@ -528,6 +556,8 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) local reply = icmp.new_icmpv4_packet( lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, dst_ip, pkt, ethernet_header_size, icmp_config) + + drop_ipv4(lwstate, pkt, pkt_src_link) return transmit_icmpv4_reply(lwstate, reply, pkt) end @@ -540,9 +570,8 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) if encapsulating_packet_with_df_flag_would_exceed_mtu(lwstate, pkt) then counter.add(lwstate.counters["drop-over-mtu-but-dont-fragment-ipv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-over-mtu-but-dont-fragment-ipv4-packets"]) - counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv4-packets"]) local reply = cannot_fragment_df_packet_error(lwstate, pkt) + drop_ipv4(lwstate, pkt, pkt_src_link) return transmit_icmpv4_reply(lwstate, reply, pkt) end @@ -567,37 +596,60 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) return transmit(lwstate.o6, pkt) end -local function enqueue_lookup(lwstate, pkt, ipv4, port, flush) - if lwstate.lookup_queue:enqueue_lookup(pkt, ipv4, port) then +local function enqueue_lookup(lwstate, pkt, ipv4, port, flush, pkt_src_link) + local lq + if pkt_src_link == PKT_FROM_INET then + lq = lwstate.inet_lookup_queue + elseif pkt_src_link == PKT_HAIRPINNED then + lq = lwstate.hairpin_lookup_queue + else + assert(false, "Programming error, bad pkt_src_link: " .. pkt_src_link) + end + if lq:enqueue_lookup(pkt, ipv4, port) then + -- Flush the queue right away if enough packets are queued up already. flush(lwstate) end end +local function flush_hairpin(lwstate) + local lq = lwstate.hairpin_lookup_queue + lq:process_queue() + for n = 0, lq.length - 1 do + local pkt, ipv6_dst, ipv6_src = lq:get_lookup(n) + if ipv6_dst then + encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, PKT_HAIRPINNED) + else + -- Lookup failed. This can happen even with hairpinned packets, if + -- the binding table changes between destination lookups. + -- Count the original IPv6 packet as dropped, not the hairpinned one. + if debug then print("lookup failed") end + drop_ipv4_packet_to_unreachable_host(lwstate, pkt, PKT_HAIRPINNED) + end + end + lq:reset_queue() +end + local function flush_encapsulation(lwstate) - local lq = lwstate.lookup_queue + local lq = lwstate.inet_lookup_queue lq:process_queue() for n = 0, lq.length - 1 do local pkt, ipv6_dst, ipv6_src = lq:get_lookup(n) if ipv6_dst then - encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src) + encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, PKT_FROM_INET) else -- Lookup failed. if debug then print("lookup failed") end - counter.add(lwstate.counters["drop-no-dest-softwire-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-no-dest-softwire-ipv4-packets"]) - counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv4-packets"]) - drop_ipv4_packet_to_unreachable_host(lwstate, pkt) + drop_ipv4_packet_to_unreachable_host(lwstate, pkt, PKT_FROM_INET) end end lq:reset_queue() end -local function enqueue_encapsulation(lwstate, pkt, ipv4, port) - enqueue_lookup(lwstate, pkt, ipv4, port, flush_encapsulation) +local function enqueue_encapsulation(lwstate, pkt, ipv4, port, pkt_src_link) + enqueue_lookup(lwstate, pkt, ipv4, port, flush_encapsulation, pkt_src_link) end -local function icmpv4_incoming(lwstate, pkt) +local function icmpv4_incoming(lwstate, pkt, pkt_src_link) local ipv4_header = get_ethernet_payload(pkt) local ipv4_header_size = get_ipv4_header_length(ipv4_header) local icmp_header = get_ipv4_payload(ipv4_header) @@ -614,9 +666,7 @@ local function icmpv4_incoming(lwstate, pkt) -- Silently drop the packet, as per RFC 5508 counter.add(lwstate.counters["drop-bad-checksum-icmpv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-bad-checksum-icmpv4-packets"]) - counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv4-packets"]) - return drop(pkt) + return drop_ipv4(lwstate, pkt, pkt_src_link) end local ipv4_dst = get_ipv4_dst_address(ipv4_header) @@ -651,12 +701,12 @@ local function icmpv4_incoming(lwstate, pkt) port = get_ipv4_payload_src_port(embedded_ipv4_header) end - return enqueue_encapsulation(lwstate, pkt, ipv4_dst, port) + return enqueue_encapsulation(lwstate, pkt, ipv4_dst, port, pkt_src_link) end -- The incoming packet is a complete one with ethernet headers. -- FIXME: Verify that the total_length declared in the packet is correct. -local function from_inet(lwstate, pkt) +local function from_inet(lwstate, pkt, pkt_src_link) -- Check incoming ICMP -first-, because it has different binding table lookup logic -- than other protocols. local ipv4_header = get_ethernet_payload(pkt) @@ -664,11 +714,9 @@ local function from_inet(lwstate, pkt) if lwstate.policy_icmpv4_incoming == lwconf.policies['DROP'] then counter.add(lwstate.counters["drop-in-by-policy-icmpv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-in-by-policy-icmpv4-packets"]) - counter.add(lwstate.counters["drop-all-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv4-packets"]) - return drop(pkt) + return drop_ipv4(lwstate, pkt, pkt_src_link) else - return icmpv4_incoming(lwstate, pkt) + return icmpv4_incoming(lwstate, pkt, pkt_src_link) end end @@ -680,7 +728,7 @@ local function from_inet(lwstate, pkt) local dst_ip = get_ipv4_dst_address(ipv4_header) local dst_port = get_ipv4_payload_dst_port(ipv4_header) - return enqueue_encapsulation(lwstate, pkt, dst_ip, dst_port) + return enqueue_encapsulation(lwstate, pkt, dst_ip, dst_port, pkt_src_link) end local function tunnel_unreachable(lwstate, pkt, code, next_hop_mtu) @@ -713,8 +761,8 @@ local function icmpv6_incoming(lwstate, pkt) counter.add(lwstate.counters["drop-too-big-type-but-not-code-icmpv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-too-big-type-but-not-code-icmpv6-packets"]) - counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-iface-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-iface-packets"]) return drop(pkt) end local mtu = get_icmp_mtu(icmp_header) - constants.ipv6_fixed_header_size @@ -732,8 +780,8 @@ local function icmpv6_incoming(lwstate, pkt) "drop-over-time-but-not-hop-limit-icmpv6-bytes"], pkt.length) counter.add( lwstate.counters["drop-over-time-but-not-hop-limit-icmpv6-packets"]) - counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-iface-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-iface-packets"]) return drop(pkt) end end @@ -746,14 +794,14 @@ local function icmpv6_incoming(lwstate, pkt) -- handled. counter.add(lwstate.counters["drop-unknown-protocol-icmpv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-unknown-protocol-icmpv6-packets"]) - counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-iface-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-iface-packets"]) return drop(pkt) end end local function flush_decapsulation(lwstate) - local lq = lwstate.lookup_queue + local lq = lwstate.inet_lookup_queue lq:process_queue() for n = 0, lq.length - 1 do local pkt, b4_addr, br_addr = lq:get_lookup(n) @@ -771,8 +819,8 @@ local function flush_decapsulation(lwstate) else counter.add(lwstate.counters["drop-no-source-softwire-ipv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-no-source-softwire-ipv6-packets"]) - counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-iface-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-iface-packets"]) drop_ipv6_packet_from_bad_softwire(lwstate, pkt) end end @@ -780,7 +828,7 @@ local function flush_decapsulation(lwstate) end local function enqueue_decapsulation(lwstate, pkt, ipv4, port) - enqueue_lookup(lwstate, pkt, ipv4, port, flush_decapsulation) + enqueue_lookup(lwstate, pkt, ipv4, port, flush_decapsulation, PKT_FROM_INET) end -- FIXME: Verify that the packet length is big enough? @@ -793,8 +841,8 @@ local function from_b4(lwstate, pkt) if lwstate.policy_icmpv6_incoming == lwconf.policies['DROP'] then counter.add(lwstate.counters["drop-in-by-policy-icmpv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-in-by-policy-icmpv6-packets"]) - counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-iface-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-iface-packets"]) return drop(pkt) else return icmpv6_incoming(lwstate, pkt) @@ -803,8 +851,8 @@ local function from_b4(lwstate, pkt) -- Drop packet with unknown protocol. counter.add(lwstate.counters["drop-unknown-protocol-ipv6-bytes"], pkt.length) counter.add(lwstate.counters["drop-unknown-protocol-ipv6-packets"]) - counter.add(lwstate.counters["drop-all-ipv6-bytes"], pkt.length) - counter.add(lwstate.counters["drop-all-ipv6-packets"]) + counter.add(lwstate.counters["drop-all-ipv6-iface-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-iface-packets"]) return drop(pkt) end end @@ -846,7 +894,7 @@ local function from_b4(lwstate, pkt) end function LwAftr:push () - local i4, i6 = self.input.v4, self.input.v6 + local i4, i6, ih = self.input.v4, self.input.v6, self.input.hairpin_in local o4, o6 = self.output.v4, self.output.v6 self.o4, self.o6 = o4, o6 @@ -873,38 +921,48 @@ function LwAftr:push () for _=1,link.nreadable(i6) do -- Decapsulate incoming IPv6 packets from the B4 interface and -- push them out the V4 link, unless they need hairpinning, in - -- which case enqueue them on the incoming V4 link. Drop anything - -- that's not IPv6. + -- which case enqueue them on the hairpinning incoming link. + -- Drop anything that's not IPv6. local pkt = receive(i6) if is_ipv6(pkt) then counter.add(self.counters["in-ipv6-bytes"], pkt.length) counter.add(self.counters["in-ipv6-packets"]) from_b4(self, pkt) else - counter.add(self.counters["drop-misplaced-ipv6-bytes"], pkt.length) - counter.add(self.counters["drop-misplaced-ipv6-packets"]) - counter.add(self.counters["drop-all-ipv6-bytes"], pkt.length) - counter.add(self.counters["drop-all-ipv6-packets"]) + counter.add(self.counters["drop-misplaced-not-ipv6-bytes"], pkt.length) + counter.add(self.counters["drop-misplaced-not-ipv6-packets"]) + counter.add(self.counters["drop-all-ipv6-iface-bytes"], pkt.length) + counter.add(self.counters["drop-all-ipv6-iface-packets"]) drop(pkt) end end flush_decapsulation(self) for _=1,link.nreadable(i4) do - -- Encapsulate incoming IPv4 packets, including hairpinned + -- Encapsulate incoming IPv4 packets, excluding hairpinned -- packets. Drop anything that's not IPv4. local pkt = receive(i4) if is_ipv4(pkt) then counter.add(self.counters["in-ipv4-bytes"], pkt.length) counter.add(self.counters["in-ipv4-packets"]) - from_inet(self, pkt) + from_inet(self, pkt, PKT_FROM_INET) else - counter.add(self.counters["drop-misplaced-ipv4-bytes"], pkt.length) - counter.add(self.counters["drop-misplaced-ipv4-packets"]) - counter.add(self.counters["drop-all-ipv4-bytes"], pkt.length) - counter.add(self.counters["drop-all-ipv4-packets"]) + counter.add(self.counters["drop-misplaced-not-ipv4-bytes"], pkt.length) + counter.add(self.counters["drop-misplaced-not-ipv4-packets"]) + -- It's guaranteed to not be hairpinned. + counter.add(self.counters["drop-all-ipv4-iface-bytes"], pkt.length) + counter.add(self.counters["drop-all-ipv4-iface-packets"]) drop(pkt) end end flush_encapsulation(self) + + for _=1,link.nreadable(ih) do + -- Encapsulate hairpinned packet. + local pkt = receive(ih) + -- To reach this link, it has to have come through the lwaftr, so it + -- is certainly IPv4. It was already counted, no more counter updates. + from_inet(self, pkt, PKT_HAIRPINNED) + end + flush_hairpin(self) end diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index 627250e2aa..7845125f88 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -57,6 +57,9 @@ function lwaftr_app(c, conf) prepend(postprocessing_apps_v6, "egress_filterv6") end + -- Add a special hairpinning queue to the lwaftr app. + config.link(c, "lwaftr.hairpin_out -> lwaftr.hairpin_in") + append(preprocessing_apps_v4, { name = "arp", input = "south", output = "north" }) append(preprocessing_apps_v4, { name = "icmpechov4", input = "south", output = "north" }) prepend(postprocessing_apps_v4, { name = "icmpechov4", input = "north", output = "south" }) diff --git a/src/program/lwaftr/tests/data/counters/drop-misplaced-not-ipv4.lua b/src/program/lwaftr/tests/data/counters/drop-misplaced-not-ipv4.lua new file mode 100644 index 0000000000..cd2aec3dac --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/drop-misplaced-not-ipv4.lua @@ -0,0 +1,7 @@ +return { + ["drop-misplaced-not-ipv4-bytes"] = 106, + ["drop-misplaced-not-ipv4-packets"] = 1, + + ["drop-all-ipv4-iface-bytes"] = 106, + ["drop-all-ipv4-iface-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua index 1fda44823b..253a7e06f3 100644 --- a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua +++ b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua @@ -10,6 +10,6 @@ return { ["drop-over-mtu-but-dont-fragment-ipv4-bytes"] = 1494, ["drop-over-mtu-but-dont-fragment-ipv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 1494, - ["drop-all-ipv4-packets"] = 1, + ["drop-all-ipv4-iface-bytes"] = 1494, + ["drop-all-ipv4-iface-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua index 3d64f278a6..e3ff8fa28a 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua @@ -1,19 +1,15 @@ return { - ["in-ipv4-bytes"] = 98, - ["in-ipv4-packets"] = 1, ["in-ipv6-bytes"] = 138, ["in-ipv6-packets"] = 1, - ["out-ipv4-bytes"] = 98, - ["out-ipv4-packets"] = 1, - ["hairpin-ipv4-bytes"] = 98, ["hairpin-ipv4-packets"] = 1, ["drop-in-by-rfc7596-icmpv4-bytes"] = 98, ["drop-in-by-rfc7596-icmpv4-packets"] = 1, - ["drop-no-dest-softwire-ipv4-bytes"] = 98, ["drop-no-dest-softwire-ipv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 98, - ["drop-all-ipv4-packets"] = 1, + ["drop-no-dest-softwire-ipv4-bytes"] = 98, + + ["drop-all-ipv6-iface-packets"] = 1, + ["drop-all-ipv6-iface-bytes"] = 138, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua index 7bdcdd4154..1d87283964 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua @@ -10,6 +10,6 @@ return { ["drop-no-dest-softwire-ipv4-bytes"] = 66, ["drop-no-dest-softwire-ipv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 66, - ["drop-all-ipv4-packets"] = 1, + ["drop-all-ipv4-iface-bytes"] = 66, + ["drop-all-ipv4-iface-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua index 90c7f9f8e9..5ce5bdb6e5 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua @@ -2,12 +2,9 @@ return { ["in-ipv4-bytes"] = 66, ["in-ipv4-packets"] = 1, - ["in-ipv4-bytes"] = 66, - ["in-ipv4-packets"] = 1, - ["drop-no-dest-softwire-ipv4-bytes"] = 66, ["drop-no-dest-softwire-ipv4-packets"] = 1, ["drop-out-by-policy-icmpv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 66, - ["drop-all-ipv4-packets"] = 1, + ["drop-all-ipv4-iface-bytes"] = 66, + ["drop-all-ipv4-iface-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua index 18d289dce8..0c4772eba3 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua @@ -4,6 +4,6 @@ return { ["drop-bad-checksum-icmpv4-bytes"] = 98, ["drop-bad-checksum-icmpv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 98, - ["drop-all-ipv4-packets"] = 1, + ["drop-all-ipv4-iface-bytes"] = 98, + ["drop-all-ipv4-iface-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua index 631d4f7fe2..ab6afc4ea8 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua @@ -4,6 +4,6 @@ return { ["drop-in-by-policy-icmpv4-bytes"] = 98, ["drop-in-by-policy-icmpv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 98, - ["drop-all-ipv4-packets"] = 1, + ["drop-all-ipv4-iface-bytes"] = 98, + ["drop-all-ipv4-iface-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua index 428d2dd99d..a34924bc63 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua @@ -6,6 +6,7 @@ return { ["drop-in-by-rfc7596-icmpv4-packets"] = 1, ["drop-no-dest-softwire-ipv4-bytes"] = 98, ["drop-no-dest-softwire-ipv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 98, - ["drop-all-ipv4-packets"] = 1, + + ["drop-all-ipv4-iface-packets"] = 1, + ["drop-all-ipv4-iface-bytes"] = 98, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua index 366970ef6b..1525cb9eb5 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua @@ -2,6 +2,9 @@ return { ["in-ipv6-bytes"] = 154, ["in-ipv6-packets"] = 1, + ["out-ipv4-bytes"] = 94, + ["out-ipv4-packets"] = 1, + ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua index f736685ada..4f9973f905 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua @@ -7,6 +7,6 @@ return { ["drop-no-source-softwire-ipv6-bytes"] = 106, ["drop-no-source-softwire-ipv6-packets"] = 1, - ["drop-all-ipv6-bytes"] = 106, - ["drop-all-ipv6-packets"] = 1, + ["drop-all-ipv6-iface-bytes"] = 106, + ["drop-all-ipv6-iface-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua index ffc7f1014a..02a1681526 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua @@ -7,6 +7,6 @@ return { ["drop-no-source-softwire-ipv6-bytes"] = 138, ["drop-no-source-softwire-ipv6-packets"] = 1, - ["drop-all-ipv6-bytes"] = 138, - ["drop-all-ipv6-packets"] = 1, + ["drop-all-ipv6-iface-bytes"] = 138, + ["drop-all-ipv6-iface-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua index 9569807b39..3021180ca3 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua @@ -5,6 +5,6 @@ return { ["drop-no-source-softwire-ipv6-bytes"] = 106, ["drop-no-source-softwire-ipv6-packets"] = 1, ["drop-out-by-policy-icmpv6-packets"] = 1, - ["drop-all-ipv6-bytes"] = 106, - ["drop-all-ipv6-packets"] = 1, + ["drop-all-ipv6-iface-bytes"] = 106, + ["drop-all-ipv6-iface-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua index a26aab465a..b322c5e7b9 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua @@ -4,6 +4,6 @@ return { ["drop-over-time-but-not-hop-limit-icmpv6-bytes"] = 154, ["drop-over-time-but-not-hop-limit-icmpv6-packets"] = 1, - ["drop-all-ipv6-bytes"] = 154, - ["drop-all-ipv6-packets"] = 1, + ["drop-all-ipv6-iface-bytes"] = 154, + ["drop-all-ipv6-iface-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua index bd83c596a4..b6e26437ba 100644 --- a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua @@ -1,22 +1,19 @@ return { - ["in-ipv4-bytes"] = 160, - ["in-ipv4-packets"] = 2, ["in-ipv6-bytes"] = 106, ["in-ipv6-packets"] = 1, - ["out-ipv4-bytes"] = 160, - ["out-ipv4-packets"] = 2, ["out-ipv6-bytes"] = 134, ["out-ipv6-packets"] = 1, - + ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, - ["hairpin-ipv4-bytes"] = 160, - ["hairpin-ipv4-packets"] = 2, + ["hairpin-ipv4-bytes"] = 66, + ["hairpin-ipv4-packets"] = 1, ["drop-ttl-zero-ipv4-bytes"] = 66, ["drop-ttl-zero-ipv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 66, - ["drop-all-ipv4-packets"] = 1, + + ["drop-all-ipv6-iface-bytes"] = 106, + ["drop-all-ipv6-iface-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua b/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua index f9fcc515b5..7fc2d749ea 100644 --- a/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua +++ b/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua @@ -10,6 +10,6 @@ return { ["drop-ttl-zero-ipv4-bytes"] = 66, ["drop-ttl-zero-ipv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 66, - ["drop-all-ipv4-packets"] = 1, + ["drop-all-ipv4-iface-bytes"] = 66, + ["drop-all-ipv4-iface-packets"] = 1, } diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index 0fde59dc2d..f226cd8e75 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -256,7 +256,8 @@ snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap + ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ + ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 2b9a0b14dc..134635e5fb 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -189,7 +189,7 @@ echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/tcp-afteraftr-ipv6.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/drop-misplaced-ipv4.lua + ${COUNTERS}/drop-misplaced-not-ipv4.lua echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ @@ -273,7 +273,8 @@ snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ + ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua echo "Testing: from-to-b4 IPv6 packet, with hairpinning, with vlan tag" snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ From fec3c27fe2bf09bb836a44c51081b52140f943c0 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Wed, 20 Jul 2016 14:58:51 +0200 Subject: [PATCH 111/340] Reenable disabled test Reenable the test: "incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned". --- ...pv4.lua => in-1p-ipv6-out-1p-icmpv4-1.lua} | 0 .../counters/in-1p-ipv6-out-1p-icmpv4-2.lua | 10 ++++++++ .../tests/end-to-end/end-to-end-vlan.sh | 21 ++++++++--------- .../lwaftr/tests/end-to-end/end-to-end.sh | 23 +++++++++---------- 4 files changed, 31 insertions(+), 23 deletions(-) rename src/program/lwaftr/tests/data/counters/{in-1p-ipv6-out-1p-icmpv4.lua => in-1p-ipv6-out-1p-icmpv4-1.lua} (100%) create mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-2.lua diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-2.lua new file mode 100644 index 0000000000..d6b376b024 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-2.lua @@ -0,0 +1,10 @@ +return { + ["in-ipv6-bytes"] = 154, + ["in-ipv6-packets"] = 1, + + ["out-ipv6-bytes"] = 134, + ["out-ipv6-packets"] = 1, + + ["out-icmpv4-bytes"] = 94, + ["out-icmpv4-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index f226cd8e75..bc0ca73ab2 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -351,19 +351,19 @@ echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from int snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 3,1 frag reasembly time exceeded, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ @@ -375,14 +375,13 @@ echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua - -# FIXME: fix and reenable this test. -# echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" -# snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ -# ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ -# ${EMPTY} ${TEST_DATA}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ -# ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + +echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" +snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ + ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ + ${EMPTY} ${TEST_DATA}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-2.lua # Ingress filters diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 134635e5fb..79a870dec1 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -374,21 +374,21 @@ echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from int snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua -echo "Testing: incoming ICMPv6 3,1 frag reasembly time exceeded, OPE from internet" +echo "Testing: incoming ICMPv6 3,1 frag reassembly time exceeded, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-31fragreassemblytimeexceeded-inet-OPE.pcap \ ${EMPTY} ${EMPTY} \ @@ -398,14 +398,13 @@ echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua - -# FIXME: fix and reenable this test. -# echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" -# snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ -# ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ -# ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ -# ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4.lua + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + +echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ + ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-2.lua # Ingress filters From 92f8886ac23253e450a1737ac2ee1ea9eaf8e326 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Wed, 20 Jul 2016 16:56:45 +0200 Subject: [PATCH 112/340] Add missing drop policy code section, fix one test and add two new ones Add missing drop policy code section, fix one test and add two new ones. --- src/apps/lwaftr/lwaftr.lua | 7 ++++++- ...v4-in-binding-big-packet-df-set-allow.lua} | 0 ...ipv4-in-binding-big-packet-df-set-drop.lua | 10 ++++++++++ ...v4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua | 13 +++++++++++++ .../data/small_ipv6_mtu_no_icmp_allow.conf | 17 +++++++++++++++++ .../small_ipv6_mtu_no_icmp_vlan_allow.conf | 19 +++++++++++++++++++ .../tests/end-to-end/end-to-end-vlan.sh | 16 ++++++++++++++-- .../lwaftr/tests/end-to-end/end-to-end.sh | 16 ++++++++++++++-- 8 files changed, 93 insertions(+), 5 deletions(-) rename src/program/lwaftr/tests/data/counters/{from-inet-ipv4-in-binding-big-packet-df-set.lua => from-inet-ipv4-in-binding-big-packet-df-set-allow.lua} (100%) create mode 100644 src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua create mode 100644 src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua create mode 100644 src/program/lwaftr/tests/data/small_ipv6_mtu_no_icmp_allow.conf create mode 100644 src/program/lwaftr/tests/data/small_ipv6_mtu_no_icmp_vlan_allow.conf diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 23ea6d33a7..8ed6a26e63 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -546,7 +546,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then -- Not counting bytes because we do not even generate the packets. counter.add(lwstate.counters["drop-out-by-policy-icmpv4-packets"]) - return drop(pkt) + return drop_ipv4(lwstate, pkt, pkt_src_link) end local ipv4_header = get_ethernet_payload(pkt) local dst_ip = get_ipv4_src_address_ptr(ipv4_header) @@ -570,6 +570,11 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr if encapsulating_packet_with_df_flag_would_exceed_mtu(lwstate, pkt) then counter.add(lwstate.counters["drop-over-mtu-but-dont-fragment-ipv4-bytes"], pkt.length) counter.add(lwstate.counters["drop-over-mtu-but-dont-fragment-ipv4-packets"]) + if lwstate.policy_icmpv4_outgoing == lwconf.policies['DROP'] then + -- Not counting bytes because we do not even generate the packets. + counter.add(lwstate.counters["drop-out-by-policy-icmpv4-packets"]) + return drop_ipv4(lwstate, pkt, pkt_src_link) + end local reply = cannot_fragment_df_packet_error(lwstate, pkt) drop_ipv4(lwstate, pkt, pkt_src_link) return transmit_icmpv4_reply(lwstate, reply, pkt) diff --git a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua similarity index 100% rename from src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set.lua rename to src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua diff --git a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua new file mode 100644 index 0000000000..edbba114c0 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua @@ -0,0 +1,10 @@ +return { + ["in-ipv4-bytes"] = 1494, + ["in-ipv4-packets"] = 1, + + ["drop-over-mtu-but-dont-fragment-ipv4-bytes"] = 1494, + ["drop-over-mtu-but-dont-fragment-ipv4-packets"] = 1, + ["drop-out-by-policy-icmpv4-packets"] = 1, + ["drop-all-ipv4-iface-bytes"] = 1494, + ["drop-all-ipv4-iface-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua new file mode 100644 index 0000000000..3462f04ef8 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua @@ -0,0 +1,13 @@ +return { + ["in-ipv6-bytes"] = 106, + ["in-ipv6-packets"] = 1, + + ["hairpin-ipv4-bytes"] = 66, + ["hairpin-ipv4-packets"] = 1, + + ["drop-ttl-zero-ipv4-bytes"] = 66, + ["drop-ttl-zero-ipv4-packets"] = 1, + ["drop-out-by-policy-icmpv4-packets"] = 1, + ["drop-all-ipv6-iface-bytes"] = 106, + ["drop-all-ipv6-iface-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/small_ipv6_mtu_no_icmp_allow.conf b/src/program/lwaftr/tests/data/small_ipv6_mtu_no_icmp_allow.conf new file mode 100644 index 0000000000..85ee5f11aa --- /dev/null +++ b/src/program/lwaftr/tests/data/small_ipv6_mtu_no_icmp_allow.conf @@ -0,0 +1,17 @@ +aftr_ipv4_ip = 10.10.10.10, +aftr_ipv6_ip = 8:9:a:b:c:d:e:f, +aftr_mac_b4_side = 22:22:22:22:22:22, +aftr_mac_inet_side = 12:12:12:12:12:12, +binding_table = binding-table.txt, +hairpinning = true, +icmpv6_rate_limiter_n_packets=6e5, +icmpv6_rate_limiter_n_seconds=2, +inet_mac = 68:68:68:68:68:68, +ipv4_mtu = 1500, +ipv6_mtu = 1280, +next_hop6_mac = 44:44:44:44:44:44, +policy_icmpv4_incoming = ALLOW, +policy_icmpv6_incoming = ALLOW, +policy_icmpv4_outgoing = ALLOW, +policy_icmpv6_outgoing = ALLOW, +vlan_tagging = false diff --git a/src/program/lwaftr/tests/data/small_ipv6_mtu_no_icmp_vlan_allow.conf b/src/program/lwaftr/tests/data/small_ipv6_mtu_no_icmp_vlan_allow.conf new file mode 100644 index 0000000000..71ffee6bf5 --- /dev/null +++ b/src/program/lwaftr/tests/data/small_ipv6_mtu_no_icmp_vlan_allow.conf @@ -0,0 +1,19 @@ +aftr_ipv4_ip = 10.10.10.10, +aftr_ipv6_ip = 8:9:a:b:c:d:e:f, +aftr_mac_b4_side = 22:22:22:22:22:22, +aftr_mac_inet_side = 12:12:12:12:12:12, +binding_table = binding-table.txt, +hairpinning = true, +icmpv6_rate_limiter_n_packets=6e5, +icmpv6_rate_limiter_n_seconds=2, +inet_mac = 68:68:68:68:68:68, +ipv4_mtu = 1500, +ipv6_mtu = 1280, +next_hop6_mac = 44:44:44:44:44:44, +policy_icmpv4_incoming = ALLOW, +policy_icmpv6_incoming = ALLOW, +policy_icmpv4_outgoing = ALLOW, +policy_icmpv6_outgoing = ALLOW, +v4_vlan_tag = 1092, # 0x444 +v6_vlan_tag = 1638, # 0x666 +vlan_tagging = true diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index bc0ca73ab2..2793d1a48c 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -144,11 +144,17 @@ snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ ${TEST_DATA}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} \ ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4." +echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, drop policy." snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ + ${TEST_DATA}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua + +echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, allow policy." +snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan_allow.conf \ ${TEST_DATA}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ ${TEST_DATA}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set.lua + ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ @@ -259,6 +265,12 @@ snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua +echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1, drop policy" +snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ + ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua + echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-customBRIP-ipv6.pcap \ diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 79a870dec1..2ccc1622d2 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -155,11 +155,17 @@ snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} \ ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4." +echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, drop policy." snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ + ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua + +echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, allow policy." +snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp_allow.conf \ ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ ${TEST_BASE}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set.lua + ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua echo "Testing: from-internet IPv4 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ @@ -276,6 +282,12 @@ snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua +echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1, drop policy" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua + echo "Testing: from-to-b4 IPv6 packet, with hairpinning, with vlan tag" snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-vlan.pcap \ From bbad242d0b8c69bfb3e175cf08aebea0a4223b05 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Mon, 25 Jul 2016 09:51:10 +0200 Subject: [PATCH 113/340] Add docs for the counters Add documentation for the counters, including descriptions and diagrams --- src/program/lwaftr/doc/README.counters.md | 83 +++++++++++++++++++++++ 1 file changed, 83 insertions(+) diff --git a/src/program/lwaftr/doc/README.counters.md b/src/program/lwaftr/doc/README.counters.md index cb9ac364de..9a59883b0b 100644 --- a/src/program/lwaftr/doc/README.counters.md +++ b/src/program/lwaftr/doc/README.counters.md @@ -1,5 +1,6 @@ # Counters +<<<<<<< HEAD The number of packets and bytes handled in various points of the execution flow are recorded in counters, updated in real time. @@ -12,10 +13,23 @@ Most counters are represented by two files, ending with the `bytes` and ## Execution flow This is the lwAftr's overall execution flow: +======= +In order to better understand the flow of packets through the lwAftr app at +runtime, a number of counters are embedded in the code. They record the +number of packets and bytes handled at various points of the execution flow, +shown in the diagrams below. + +The counters' values can be accessed by means of the `snabb top` subcommand. + +## Execution flow + +Here is the lwAftr's overall execution flow: +>>>>>>> 09ac70d... Add docs for the counters ![main flow](images/main-flow.png) Packets coming from the b4 on users' premises are decapsulated, handled, then +<<<<<<< HEAD sent to the Internet or dropped, as appropriate. On the other side, packets coming from the Internet are handled, possibly @@ -24,6 +38,20 @@ dropped, or encapsulated and sent to users' b4. Each direction is in turn broken in two by two queues, in order to reduce the cost lookups in the binding table. The four resulting macro blocks are described below, in clockwise order. +======= +sent to the Internet or dropped, as appropriate. On the other side, packets +coming from the Internet are handled, possibly dropped, or encapsulated and +sent to users' b4. + +Some packets coming from a b4 may be destined to another b4 handled by the same +lwAftr instance: in that case, as an optimization, they are short-circuited +("hairpinned") to their destination internally, so that they are not uselessly +routed forward and back. + +Each direction is broken in two by lookup queues, in order to reduce the cost +of lookups in the binding table. The four resulting macro blocks are detailed +below, in clockwise order. +>>>>>>> 09ac70d... Add docs for the counters For each macro block, the place of all counters in the execution flow is first shown graphically, then each counter is described in detail. Several counters @@ -36,16 +64,29 @@ the Lua code. Counters: +<<<<<<< HEAD - **drop-misplaced-ipv6**: non-IPv6 packets incoming on the IPv6 link +======= +- **drop-misplaced-not-ipv6**: non-IPv6 packets incoming on the IPv6 link +>>>>>>> 09ac70d... Add docs for the counters - **in-ipv6**: all valid incoming IPv6 packets - **drop-unknown-protocol-ipv6**: packets with an unknown IPv6 protocol - **drop-in-by-policy-icmpv6**: incoming ICMPv6 packets dropped because of current policy +<<<<<<< HEAD - **drop-too-big-type-but-not-code-icmpv6**: the packets' ICMPv6 type is "Packet too big", but the ICMPv6 code is not, as it should - **out-icmpv4**: internally generated ICMPv4 error packets - **drop-over-time-but-not-hop-limit-icmpv6**: the packets' time limit is exceeded, but the hop limit is not +======= +- **out-icmpv4**: internally generated ICMPv4 error packets +- **out-ipv4**: all valid outgoing IPv4 packets +- **drop-too-big-type-but-not-code-icmpv6**: the packet's ICMP type was + "Packet too big", but its ICMP code was not an acceptable one for this type +- **drop-over-time-but-not-hop-limit-icmpv6**: the packet's time limit was + exceeded, but the hop limit was not +>>>>>>> 09ac70d... Add docs for the counters - **drop-unknown-protocol-icmpv6**: packets with an unknown ICMPv6 protocol ### decapsulation queue to Internet @@ -55,9 +96,15 @@ Counters: Counters: - **drop-no-source-softwire-ipv6**: no matching source softwire in the binding +<<<<<<< HEAD table - **hairpin-ipv4**: IPv4 packets going to a known b4 (hairpinned) - **out-ipv4**: all valid outgoing IPv4 packets +======= + table; incremented whether or not the reason was RFC7596 +- **out-ipv4**: all valid outgoing IPv4 packets +- **hairpin-ipv4**: IPv4 packets going to a known b4 (hairpinned) +>>>>>>> 09ac70d... Add docs for the counters - **drop-out-by-policy-icmpv6**: internally generated ICMPv6 error packets dropped because of current policy - **drop-over-rate-limit-icmpv6**: packets dropped because the outgoing ICMPv6 @@ -70,12 +117,25 @@ Counters: Counters: +<<<<<<< HEAD - **drop-misplaced-ipv4**: non-IPv4 packets incoming on the IPv4 link - **in-ipv4**: all valid incoming IPv4 packets - **drop-in-by-policy-icmpv4**: incoming ICMPv4 packets dropped because of current policy - **drop-bad-checksum-icmpv4**: ICMPv4 packets dropped because of a bad checksum +======= +- **drop-in-by-policy-icmpv4**: incoming ICMPv4 packets dropped because of + current policy +- **in-ipv4**: all valid incoming IPv4 packets +- **drop-misplaced-not-ipv4**: non-IPv4 packets incoming on the IPv4 link +- **drop-bad-checksum-icmpv4**: ICMPv4 packets dropped because of a bad + checksum +- **drop-all-ipv4-iface**, **drop-all-ipv6-iface**: all dropped packets and + bytes that came in over the IPv4/6 interfaces, whether or not they're + actually IPv4/6 (they only include data about packets that go in/out over the + wires, excluding internally generated ICMP packets) +>>>>>>> 09ac70d... Add docs for the counters ### Encapsulation queue to b4 @@ -83,6 +143,7 @@ Counters: Counters: +<<<<<<< HEAD - **drop-no-dest-softwire-ipv4**: no matching destination softwire in the binding table - **drop-out-by-policy-icmpv4**: internally generated ICMPv4 error packets @@ -103,3 +164,25 @@ Several additional counters aggregate the value of a number of specific ones: internally generated ICMPv4 error ones) - **drop-all-ipv6**: all dropped incoming IPv6 packets (not including the internally generated ICMPv6 error ones) +======= +- **out-ipv6**: all valid outgoing IPv6 packets +- **drop-over-mtu-but-dont-fragment-ipv4**: IPv4 packets whose size exceeded + the MTU, but the DF (Don't Fragment) flag was set +- **drop-ttl-zero-ipv4**: IPv4 packets dropped because their TTL was zero +- **drop-out-by-policy-icmpv4**: internally generated ICMPv4 error packets + dropped because of current policy +- **drop-no-dest-softwire-ipv4**: no matching destination softwire in the + binding table; incremented whether or not the reason was RFC7596 +- **drop-in-by-rfc7596-icmpv4**: incoming ICMPv4 packets with no destination + (RFC 7596 section 8.1) + +## Notes + +The internally generated ICMPv4 error packets that are then dropped because +of policy are not recorded as dropped: only incoming ICMP packets are. + +Implementation detail: rhe counters can be accessed as files in the runtime +area of the Snabb process, typically under +`/var/run/snabb/[PID]/app/lwaftr/counters/`. Most of them are represented by +two files, ending with the `bytes` and `packets` suffixes. +>>>>>>> 09ac70d... Add docs for the counters From c1ed420cf76fd71bfbf76918c5560546b9e76e86 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 22 Jul 2016 08:55:53 +0000 Subject: [PATCH 114/340] Name parameters in 'snabb_run_and_cmp' --- .../tests/end-to-end/end-to-end-vlan.sh | 20 ++++++++--------- .../lwaftr/tests/end-to-end/end-to-end.sh | 22 +++++++++---------- 2 files changed, 21 insertions(+), 21 deletions(-) diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index 2793d1a48c..e78aea6693 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -25,21 +25,21 @@ function scmp { } function snabb_run_and_cmp { - rm -f ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap if [ -z $6 ]; then echo "not enough arguments to snabb_run_and_cmp" exit 1 fi + conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6; + endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap"; + rm -f $endoutv4 $endoutv6 ${SNABB_LWAFTR} check \ - $1 $2 $3 \ - ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6 || quit_with_msg \ - "Failure: ${SNABB_LWAFTR} check \ - $1 $2 $3 \ - ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6" - scmp $4 ${TEST_OUT}/endoutv4.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" - scmp $5 ${TEST_OUT}/endoutv6.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" + $conf $v4_in $v6_in \ + $endoutv4 $endoutv6 $counters_path || quit_with_msg \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v4_out $endoutv4 \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v6_out $endoutv6 \ + "Failure: ${SNABB_LWAFTR} check $*" echo "Test passed" } diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 2ccc1622d2..b000308520 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -24,21 +24,21 @@ function scmp { } function snabb_run_and_cmp { - rm -f ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap if [ -z $6 ]; then echo "not enough arguments to snabb_run_and_cmp" exit 1 fi - (${SNABB_LWAFTR} check \ - $1 $2 $3 \ - ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6) || quit_with_msg \ - "Failure: ${SNABB_LWAFTR} check \ - $1 $2 $3 \ - ${TEST_OUT}/endoutv4.pcap ${TEST_OUT}/endoutv6.pcap $6" - scmp $4 ${TEST_OUT}/endoutv4.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" - scmp $5 ${TEST_OUT}/endoutv6.pcap \ - "Failure: ${SNABB_LWAFTR} check $1 $2 $3 $4 $5 $6" + conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6; + endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap"; + rm -f $endoutv4 $endoutv6 + ${SNABB_LWAFTR} check \ + $conf $v4_in $v6_in \ + $endoutv4 $endoutv6 $counters_path || quit_with_msg \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v4_out $endoutv4 \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v6_out $endoutv6 \ + "Failure: ${SNABB_LWAFTR} check $*" echo "Test passed" } From 5b8895d1ac65a8ade948cbb1b3b01ab385e2e2f9 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 26 Jul 2016 13:24:41 +0000 Subject: [PATCH 115/340] Fix test 'from-to-b4 IPv6 packet NOT found in the binding table' --- .../tests/data/counters/drop-misplaced-not-ipv4.lua | 7 ------- .../tests/data/counters/drop-no-source-softwire-ipv6.lua | 9 +++++++++ src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh | 4 ++-- src/program/lwaftr/tests/end-to-end/end-to-end.sh | 4 ++-- 4 files changed, 13 insertions(+), 11 deletions(-) delete mode 100644 src/program/lwaftr/tests/data/counters/drop-misplaced-not-ipv4.lua create mode 100644 src/program/lwaftr/tests/data/counters/drop-no-source-softwire-ipv6.lua diff --git a/src/program/lwaftr/tests/data/counters/drop-misplaced-not-ipv4.lua b/src/program/lwaftr/tests/data/counters/drop-misplaced-not-ipv4.lua deleted file mode 100644 index cd2aec3dac..0000000000 --- a/src/program/lwaftr/tests/data/counters/drop-misplaced-not-ipv4.lua +++ /dev/null @@ -1,7 +0,0 @@ -return { - ["drop-misplaced-not-ipv4-bytes"] = 106, - ["drop-misplaced-not-ipv4-packets"] = 1, - - ["drop-all-ipv4-iface-bytes"] = 106, - ["drop-all-ipv4-iface-packets"] = 1, -} diff --git a/src/program/lwaftr/tests/data/counters/drop-no-source-softwire-ipv6.lua b/src/program/lwaftr/tests/data/counters/drop-no-source-softwire-ipv6.lua new file mode 100644 index 0000000000..7969dcf457 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/drop-no-source-softwire-ipv6.lua @@ -0,0 +1,9 @@ +return { + ["drop-all-ipv6-iface-bytes"] = 106, + ["drop-all-ipv6-iface-packets"] = 1, + ["drop-no-source-softwire-ipv6-bytes"] = 106, + ["drop-no-source-softwire-ipv6-packets"] = 1, + ["drop-out-by-policy-icmpv6-packets"] = 1, + ["in-ipv6-bytes"] = 106, + ["in-ipv6-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index e78aea6693..6d774a3f0a 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -182,9 +182,9 @@ snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${TEST_DATA}/tcp-afteraftr-ipv6.pcap ${EMPTY} \ + ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua + ${COUNTERS}/drop-no-source-softwire-ipv6.lua echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index b000308520..26552a0dfd 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -193,9 +193,9 @@ snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/tcp-afteraftr-ipv6.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/drop-misplaced-not-ipv4.lua + ${COUNTERS}/drop-no-source-softwire-ipv6.lua echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ From 85299c2eb8e2eb3ffec471bff773316487382c91 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 5 Aug 2016 15:00:54 +0000 Subject: [PATCH 116/340] Print error if couldn't find file --- src/apps/lwaftr/conf_parser.lua | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/apps/lwaftr/conf_parser.lua b/src/apps/lwaftr/conf_parser.lua index 7b745dfa07..a123c28c49 100644 --- a/src/apps/lwaftr/conf_parser.lua +++ b/src/apps/lwaftr/conf_parser.lua @@ -11,7 +11,9 @@ Parser = {} function Parser.new(file) local name = file.name if type(file) == 'string' then - name, file = file, io.open(file) + name = file + file, err = io.open(file) + if not file then error(err) end end local ret = { column=0, line=1, name=name } function ret.read_char() return file:read(1) end From 7e03587ace724583a3a47afd50c80a2ee2052427 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 5 Aug 2016 14:24:20 +0000 Subject: [PATCH 117/340] Add test 'Testing sending non-IPv6 traffic to the IPv6 interface' --- .../data/counters/non-ipv6-traffic-to-ipv6-interface.lua | 6 ++++++ src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh | 6 ++++++ src/program/lwaftr/tests/end-to-end/end-to-end.sh | 6 ++++++ 3 files changed, 18 insertions(+) create mode 100644 src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua diff --git a/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua b/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua new file mode 100644 index 0000000000..836f81e886 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua @@ -0,0 +1,6 @@ +return { + ["drop-all-ipv4-iface-bytes"] = 106, + ["drop-all-ipv4-iface-packets"] = 1, + ["drop-misplaced-not-ipv4-bytes"] = 106, + ["drop-misplaced-not-ipv4-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index 6d774a3f0a..a63d01a36d 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -289,6 +289,12 @@ snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${TEST_DATA}/recap-customBR-IPs-ipv6.pcap \ ${COUNTERS}/from-to-b4-ipv6-hairpin.lua +echo "Testing sending non-IPv6 traffic to the IPv6 interface." +snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ + ${TEST_DATA}/tcp-afteraftr-ipv6.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua + # Test UDP packets echo "Testing: from-internet bound IPv4 UDP packet" diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 26552a0dfd..a1de4e6179 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -312,6 +312,12 @@ snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/recap-customBR-IPs-ipv6.pcap \ ${COUNTERS}/from-to-b4-ipv6-hairpin.lua +echo "Testing: sending non-IPv6 traffic to the IPv6 interface" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${TEST_BASE}/tcp-afteraftr-ipv6.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua + # Test UDP packets echo "Testing: from-internet bound IPv4 UDP packet" From b727704a956e7cde69a2fefba0ade5d77aeaecd7 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 5 Aug 2016 14:52:38 +0000 Subject: [PATCH 118/340] Add test 'Testing sending non-IPv4 traffic to the IPv4 interface' --- .../data/counters/non-ipv4-traffic-to-ipv4-interface.lua | 6 ++++++ src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh | 6 ++++++ src/program/lwaftr/tests/end-to-end/end-to-end.sh | 6 ++++++ 3 files changed, 18 insertions(+) create mode 100644 src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua diff --git a/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua b/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua new file mode 100644 index 0000000000..70b1eb2550 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua @@ -0,0 +1,6 @@ +return { + ["drop-misplaced-not-ipv6-bytes"] = 66, + ["drop-all-ipv6-iface-packets"] = 1, + ["drop-all-ipv6-iface-bytes"] = 66, + ["drop-misplaced-not-ipv6-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index a63d01a36d..88f87a469f 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -295,6 +295,12 @@ snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ ${EMPTY} ${EMPTY} \ ${COUNTERS}/empty.lua +echo "Testing: sending non-IPv4 traffic to the IPv4 interface" +snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ + ${EMPTY} ${TEST_DATA}/tcp-frominet-bound.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua + # Test UDP packets echo "Testing: from-internet bound IPv4 UDP packet" diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index a1de4e6179..dbed6970be 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -318,6 +318,12 @@ snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${EMPTY} \ ${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua +echo "Testing: sending non-IPv4 traffic to the IPv4 interface" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-frominet-bound.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/non-ipv4-traffic-to-ipv4-interface.lua + # Test UDP packets echo "Testing: from-internet bound IPv4 UDP packet" From dc381f6762d766b34df1bbad4ffa383ddaa87482 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 13 May 2016 15:47:02 +0000 Subject: [PATCH 119/340] Add on-a-stick mode The on-a-stick mode allows to run the lwAFTR in one single NIC. Incoming traffic is categorized per packet type (v4 or v6) and forwarded to the corresponding link. The lwAFTR runs normally on each incoming link. Outgoing packets are joined together and redirected to the NIC so they can be transmitted. Example: sudo ./snabb lwaftr run -v --conf lwaftr.conf --on-a-stick 83:00.0 In addition, the on-a-stick mode features a mirroring option: sudo ./snabb lwaftr run -v --conf lwaftr.conf --on-a-stick 83:00.0 --mirror tap0 Packets which IPv4 source and destination address match /var/run/snabb/PID/v4v6_mirror are copied to the 'mirror' output link, which is linked to an TAP interface set by --mirror. --- src/apps/lwaftr/v4v6.lua | 105 +++++++++++++++++++++++++++++++++ src/program/lwaftr/run/README | 4 ++ src/program/lwaftr/run/run.lua | 52 ++++++++++------ src/program/lwaftr/setup.lua | 27 +++++++++ 4 files changed, 171 insertions(+), 17 deletions(-) create mode 100644 src/apps/lwaftr/v4v6.lua diff --git a/src/apps/lwaftr/v4v6.lua b/src/apps/lwaftr/v4v6.lua new file mode 100644 index 0000000000..ffad4b0364 --- /dev/null +++ b/src/apps/lwaftr/v4v6.lua @@ -0,0 +1,105 @@ +module(..., package.seeall) + +local constants = require("apps.lwaftr.constants") +local lwutil = require("apps.lwaftr.lwutil") +local shm = require("core.shm") + +local transmit, receive = link.transmit, link.receive +local rd16, rd32 = lwutil.rd16, lwutil.rd32 + +local ethernet_header_size = constants.ethernet_header_size +local n_ethertype_ipv4 = constants.n_ethertype_ipv4 +local o_ethernet_ethertype = constants.o_ethernet_ethertype +local o_ipv4_dst_addr = constants.o_ipv4_dst_addr +local o_ipv4_src_addr = constants.o_ipv4_src_addr +local ipv6_fixed_header_size = constants.ipv6_fixed_header_size + +local v4v6_mirror = shm.create("v4v6_mirror", "struct { uint32_t ipv4; }") + +local function is_ipv4 (pkt) + return rd16(pkt.data + o_ethernet_ethertype) == n_ethertype_ipv4 +end +local function get_ethernet_payload (pkt) + return pkt.data + ethernet_header_size +end +local function get_ipv4_dst_num (ptr) + return rd32(ptr + o_ipv4_dst_addr) +end +local function get_ipv4_src_num (ptr) + return rd32(ptr + o_ipv4_src_addr) +end +local function get_ipv6_payload (ptr) + return ptr + ipv6_fixed_header_size +end + +local function mirror_ipv4 (pkt, output, ipv4_num) + local ipv4_hdr = get_ethernet_payload(pkt) + if get_ipv4_dst_num(ipv4_hdr) == ipv4_num or + get_ipv4_src_num(ipv4_hdr) == ipv4_num then + transmit(output, packet.clone(pkt)) + end +end + +local function mirror_ipv6 (pkt, output, ipv4_num) + local ipv6_hdr = get_ethernet_payload(pkt) + local ipv4_hdr = get_ipv6_payload(ipv6_hdr) + if get_ipv4_dst_num(ipv4_hdr) == ipv4_num or + get_ipv4_src_num(ipv4_hdr) == ipv4_num then + transmit(output, packet.clone(pkt)) + end +end + +v4v6 = {} + +function v4v6:new (conf) + local o = { + description = conf.description or "v4v6", + mirror = conf.mirror or false, + } + return setmetatable(o, {__index = v4v6}) +end + +function v4v6:push() + local input, output = self.input.input, self.output.output + local v4_tx, v6_tx = self.output.v4_tx, self.output.v6_tx + local v4_rx, v6_rx = self.input.v4_rx, self.input.v6_rx + local mirror = self.output.mirror + + local ipv4_num + if self.mirror then + mirror = self.output.mirror + ipv4_num = v4v6_mirror.ipv4 + end + + -- Split input to IPv4 and IPv6 traffic. + while not link.empty(input) do + local pkt = receive(input) + if is_ipv4(pkt) then + if mirror then + mirror_ipv4(pkt, mirror, ipv4_num) + end + transmit(v4_tx, pkt) + else + if mirror then + mirror_ipv6(pkt, mirror, ipv4_num) + end + transmit(v6_tx, pkt) + end + end + + -- Join IPv4 and IPv6 traffic to output. + while not link.empty(v4_rx) do + local pkt = receive(v4_rx) + if mirror and not link.full(mirror) then + mirror_ipv4(pkt, mirror, ipv4_num) + end + transmit(output, pkt) + end + while not link.empty(v6_rx) do + local pkt = receive(v6_rx) + if mirror then + mirror_ipv6(pkt, mirror, ipv4_num) + end + transmit(output, pkt) + end +end diff --git a/src/program/lwaftr/run/README b/src/program/lwaftr/run/README index f4bb4984bb..2a462956f5 100644 --- a/src/program/lwaftr/run/README +++ b/src/program/lwaftr/run/README @@ -1,15 +1,19 @@ Usage: run --help run --conf --v4 --v4 [OPTION...] + run --conf --on-a-stick [OPTION...] Required arguments: --conf Sets configuration policy table --v4 PCI device number for the INET-side NIC --v6 PCI device number for the B4-side NIC + --on-a-stick One single NIC for INET-side and B4-side Optional arguments: --virtio Use virtio-net interfaces instead of Intel 82599 --ring-buffer-size Set Intel 82599 receive buffer size --cpu Bind the lwAFTR to the given CPU --real-time Enable real-time SCHED_FIFO scheduler + --mirror Copies matching packets to TAP interface. Matching + address set by "lwaftr monitor". -D Duration in seconds -v Verbose (repeat for more verbosity) diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index f90943329d..d078e1ad54 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -103,22 +103,22 @@ function parse_args(args) fatal("ring size is not a power of two: " .. arg) end end - handlers["no-ingress-drop-monitor"] = function (arg) - if arg == 'flush' or arg == 'warn' then - opts.ingress_drop_monitor = arg - elseif arg == 'off' then - opts.ingress_drop_monitor = nil - else - fatal("invalid --ingress-drop-monitor argument: " .. arg - .." (valid values: flush, warn, off)") + handlers["on-a-stick"] = function(arg) + opts["on-a-stick"] = true + v4 = arg + if not nic_exists(v4) then + fatal(("Couldn't locate NIC with PCI address '%s'"):format(v4)) end end + handlers["mirror"] = function (ifname) + opts["mirror"] = ifname + end function handlers.h() show_usage(0) end lib.dogetopt(args, handlers, "b:c:vD:hir:", { conf = "c", v4 = 1, v6 = 1, ["v4-pci"] = 1, ["v6-pci"] = 1, - verbose = "v", duration = "D", help = "h", - virtio = "i", ["ring-buffer-size"] = "r", cpu = 1, - ["real-time"] = 0, ["ingress-drop-monitor"] = 1, }) + verbose = "v", duration = "D", help = "h", virtio = "i", cpu = 1, + ["ring-buffer-size"] = "r", ["real-time"] = 0, + ["ingress-drop-monitor"] = 1, ["on-a-stick"] = 1, mirror = 1 }) if ring_buffer_size ~= nil then if opts.virtio_net then fatal("setting --ring-buffer-size does not work with --virtio") @@ -126,11 +126,19 @@ function parse_args(args) require('apps.intel.intel10g').num_descriptors = ring_buffer_size end if not conf_file then fatal("Missing required --conf argument.") end - if not v4 then fatal("Missing required --v4 argument.") end - if not v6 then fatal("Missing required --v6 argument.") end + if opts.mirror then + assert(opts["on-a-stick"], "Mirror option is only valid in on-a-stick mode") + end if cpu then numa.bind_to_cpu(cpu) end - numa.check_affinity_for_pci_addresses({ v4, v6 }) - return opts, conf_file, v4, v6 + if opts["on-a-stick"] then + numa.check_affinity_for_pci_addresses({ v4 }) + return opts, conf_file, v4 + else + if not v4 then fatal("Missing required --v4-pci argument.") end + if not v6 then fatal("Missing required --v6-pci argument.") end + numa.check_affinity_for_pci_addresses({ v4, v6 }) + return opts, conf_file, v4, v6 + end end function run(args) @@ -140,6 +148,11 @@ function run(args) local c = config.new() if opts.virtio_net then setup.load_virt(c, conf, 'inetNic', v4, 'b4sideNic', v6) + elseif opts["on-a-stick"] then + setup.load_on_a_stick(c, conf, 'v4v6', { + mirror = opts.mirror, + pciaddr = v4, + }) else setup.load_phy(c, conf, 'inetNic', v4, 'b4sideNic', v6) end @@ -153,8 +166,13 @@ function run(args) if opts.verbosity >= 1 then local csv = csv_stats.CSVStatsTimer.new() - csv:add_app('inetNic', { 'tx', 'rx' }, { tx='IPv4 RX', rx='IPv4 TX' }) - csv:add_app('b4sideNic', { 'tx', 'rx' }, { tx='IPv6 RX', rx='IPv6 TX' }) + if opts["on-a-stick"] then + csv:add_app('v4v6', { 'v4_tx', 'v4_rx' }, { tx='IPv4 RX', rx='IPv4 TX' }) + csv:add_app('v4v6', { 'v6_tx', 'v6_rx' }, { tx='IPv6 RX', rx='IPv6 TX' }) + else + csv:add_app('inetNic', { 'tx', 'rx' }, { tx='IPv4 RX', rx='IPv4 TX' }) + csv:add_app('b4sideNic', { 'tx', 'rx' }, { tx='IPv6 RX', rx='IPv6 TX' }) + end csv:activate() end diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index 7845125f88..4b6c00896b 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -3,6 +3,7 @@ module(..., package.seeall) local config = require("core.config") local Intel82599 = require("apps.intel.intel_app").Intel82599 local PcapFilter = require("apps.packet_filter.pcap_filter").PcapFilter +local V4V6 = require("apps.lwaftr.v4v6").v4v6 local VirtioNet = require("apps.virtio_net.virtio_net").VirtioNet local lwaftr = require("apps.lwaftr.lwaftr") local basic_apps = require("apps.basic.basic_apps") @@ -140,6 +141,32 @@ function load_phy(c, conf, v4_nic_name, v4_nic_pci, v6_nic_name, v6_nic_pci) link_sink(c, v4_nic_name..'.rx', v6_nic_name..'.rx') end +function load_on_a_stick(c, conf, v4v6, args) + local Tap = require("apps.tap.tap").Tap + lwaftr_app(c, conf) + + config.app(c, 'nic', Intel82599, { + pciaddr = args.pciaddr, + }) + if args.mirror then + local ifname = args.mirror + config.app(c, 'tap', Tap, ifname) + config.app(c, v4v6, V4V6, { + mirror = true + }) + else + config.app(c, v4v6, V4V6) + end + + config.link(c, 'nic.tx -> '..v4v6..'.input') + link_source(c, v4v6..'.v4_tx', v4v6..'.v6_tx') + link_sink(c, v4v6..'.v4_rx', v4v6..'.v6_rx') + config.link(c, v4v6..'.output -> nic.rx') + if args.mirror then + config.link(c, v4v6..'.mirror -> tap.input') + end +end + function load_virt(c, conf, v4_nic_name, v4_nic_pci, v6_nic_name, v6_nic_pci) lwaftr_app(c, conf) From 10331e2c16a99ac04b8bf1a6fb3a129473ba9978 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 19 Jul 2016 10:41:49 +0000 Subject: [PATCH 120/340] Add lwAFTR monitor program --- src/program/lwaftr/monitor/README | 18 +++++ src/program/lwaftr/monitor/README.inc | 1 + src/program/lwaftr/monitor/monitor.lua | 98 ++++++++++++++++++++++++++ 3 files changed, 117 insertions(+) create mode 100644 src/program/lwaftr/monitor/README create mode 120000 src/program/lwaftr/monitor/README.inc create mode 100644 src/program/lwaftr/monitor/monitor.lua diff --git a/src/program/lwaftr/monitor/README b/src/program/lwaftr/monitor/README new file mode 100644 index 0000000000..ec93cc3c0a --- /dev/null +++ b/src/program/lwaftr/monitor/README @@ -0,0 +1,18 @@ +Usage: + monitor [IPV4_ADDRESS] [PID] + + -h, --help + Print usage information. + +Optional arguments: + + IPV4_ADDRESS IPv4 address to mirror. Default: 0.0.0.0. + PID PID value of Snabb process. + +Sets the value of 'v4v6_mirror' counter to IPV4_ADDRESS. The 'v4v6_mirror' +counter is defined for all lwAFTR instances running in mirroring mode. +Matching packets will be mirrored to the tap interface set by the original +lwAFTR process. + +PID value is used to retrieve the lwAFTR instance. If PID is not set, the +most recent active lwAFTR instance for which 'v4v6_mirror' is defined is used. diff --git a/src/program/lwaftr/monitor/README.inc b/src/program/lwaftr/monitor/README.inc new file mode 120000 index 0000000000..100b93820a --- /dev/null +++ b/src/program/lwaftr/monitor/README.inc @@ -0,0 +1 @@ +README \ No newline at end of file diff --git a/src/program/lwaftr/monitor/monitor.lua b/src/program/lwaftr/monitor/monitor.lua new file mode 100644 index 0000000000..b4d1e085d1 --- /dev/null +++ b/src/program/lwaftr/monitor/monitor.lua @@ -0,0 +1,98 @@ +module(..., package.seeall) + +local S = require("syscall") +local ffi = require("ffi") +local ipv4 = require("lib.protocol.ipv4") +local lib = require("core.lib") +local shm = require("core.shm") + +local uint32_ptr_t = ffi.typeof('uint32_t*') + +local long_opts = { + help = "h" +} + +local DEFAULT_IPV4 = "0.0.0.0" + +local function fatal (msg) + print(msg) + main.exit(1) +end + +local function usage (code) + print(require("program.lwaftr.monitor.README_inc")) + main.exit(code) +end + +local function parse_args (args) + local handlers = {} + function handlers.h () + usage(0) + end + args = lib.dogetopt(args, handlers, "h", long_opts) + if #args > 2 then usage(1) end + if #args == 0 then + return DEFAULT_IPV4 + end + if #args == 1 then + local maybe_pid = tonumber(args[1]) + if maybe_pid then + return DEFAULT_IPV4, maybe_pid + end + return args[1] + end + return args[1], args[2] +end + +local function ipv4_to_num (addr) + local arr = ipv4:pton(addr) + return arr[3] * 2^24 + arr[2] * 2^16 + arr[1] * 2^8 + arr[0] +end + +-- TODO: Refactor to a common library. +local function file_exists(path) + local stat = S.stat(path) + return stat and stat.isreg +end + +local function find_lwaftr_process (pid) + -- Check process has v4v6_mirror defined. + if pid then + pid = assert(tonumber(pid), ("Incorrect PID value: '%s'"):format(pid)) + local v4v6_mirror = "/"..pid.."/v4v6_mirror" + if not file_exists(shm.root..v4v6_mirror) then + fatal(("lwAFTR process '%d' is not running in mirroring mode"):format(pid)) + end + return v4v6_mirror + end + + -- Return first process which has v4v6_mirror defined. + for _, pid in ipairs(shm.children("/")) do + pid = tonumber(pid) + if pid then + local v4v6_mirror = "/"..pid.."/v4v6_mirror" + if file_exists(shm.root..v4v6_mirror) then + return v4v6_mirror + end + end + end +end + +function run (args) + local ipv4_address, pid = parse_args(args) + local path = find_lwaftr_process(pid) + if not path then + fatal("Couldn't find lwAFTR process running in mirroring mode") + end + + local ipv4_num = ipv4_to_num(ipv4_address) + local v4v6_mirror = shm.open(path, "struct { uint32_t ipv4; }") + v4v6_mirror.ipv4 = ipv4_num + shm.unmap(v4v6_mirror) + + if ipv4_address == DEFAULT_IPV4 then + print("Monitor off") + else + print(("Mirror address set to '%s'"):format(ipv4_address)) + end +end From 2b35a950cf8733e21fe381db5020ff2ffa5286af Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 20 Jul 2016 14:29:53 +0000 Subject: [PATCH 121/340] Add V4V6 selftest --- src/apps/lwaftr/v4v6.lua | 124 ++++++++++++++++++++++++++++++++------- 1 file changed, 102 insertions(+), 22 deletions(-) diff --git a/src/apps/lwaftr/v4v6.lua b/src/apps/lwaftr/v4v6.lua index ffad4b0364..9651eccbb4 100644 --- a/src/apps/lwaftr/v4v6.lua +++ b/src/apps/lwaftr/v4v6.lua @@ -72,34 +72,114 @@ function v4v6:push() end -- Split input to IPv4 and IPv6 traffic. - while not link.empty(input) do - local pkt = receive(input) - if is_ipv4(pkt) then - if mirror then - mirror_ipv4(pkt, mirror, ipv4_num) - end - transmit(v4_tx, pkt) - else - if mirror then - mirror_ipv6(pkt, mirror, ipv4_num) + if input then + while not link.empty(input) do + local pkt = receive(input) + if is_ipv4(pkt) then + if mirror then + mirror_ipv4(pkt, mirror, ipv4_num) + end + transmit(v4_tx, pkt) + else + if mirror then + mirror_ipv6(pkt, mirror, ipv4_num) + end + transmit(v6_tx, pkt) end - transmit(v6_tx, pkt) end end -- Join IPv4 and IPv6 traffic to output. - while not link.empty(v4_rx) do - local pkt = receive(v4_rx) - if mirror and not link.full(mirror) then - mirror_ipv4(pkt, mirror, ipv4_num) + if output then + while not link.empty(v4_rx) do + local pkt = receive(v4_rx) + if mirror and not link.full(mirror) then + mirror_ipv4(pkt, mirror, ipv4_num) + end + transmit(output, pkt) end - transmit(output, pkt) - end - while not link.empty(v6_rx) do - local pkt = receive(v6_rx) - if mirror then - mirror_ipv6(pkt, mirror, ipv4_num) + while not link.empty(v6_rx) do + local pkt = receive(v6_rx) + if mirror then + mirror_ipv6(pkt, mirror, ipv4_num) + end + transmit(output, pkt) end - transmit(output, pkt) end end + +-- Tests. + +local function ipv4_pkt () + local lib = require("core.lib") + return packet.from_string(lib.hexundump([[ + 02 aa aa aa aa aa 02 99 99 99 99 99 08 00 45 00 + 02 18 00 00 00 00 0f 11 d3 61 0a 0a 0a 01 c1 05 + 01 64 30 39 14 00 00 20 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 + ]], 66)) +end + +local function ipv6_pkt () + local lib = require("core.lib") + return packet.from_string(lib.hexundump([[ + 02 aa aa aa aa aa 02 99 99 99 99 99 86 dd 60 00 + 01 f0 01 f0 04 ff fc 00 00 01 00 02 00 03 00 04 + 00 05 00 00 44 2d fc 00 00 00 00 00 00 00 00 00 + 00 00 00 00 01 00 45 00 01 f0 00 00 00 00 0f 11 + d2 76 c1 05 02 77 0a 0a 0a 01 0c 00 30 39 00 20 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 + ]], 106)) +end + +local function test_split () + local basic_apps = require("apps.basic.basic_apps") + engine.configure(config.new()) -- Clean up engine. + + local c = config.new() + config.app(c, 'source', basic_apps.Join) + config.app(c, 'v4v6', v4v6) + config.app(c, 'sink', basic_apps.Sink) + + config.link(c, 'source.output -> v4v6.input') + config.link(c, 'v4v6.v4_tx -> sink.in1') + config.link(c, 'v4v6.v6_tx -> sink.in2') + + engine.configure(c) + link.transmit(engine.app_table.source.output.output, ipv4_pkt()) + link.transmit(engine.app_table.source.output.output, ipv6_pkt()) + engine.main({duration = 0.1, noreport = true}) + + assert(link.stats(engine.app_table.sink.input.in1).rxpackets == 1) + assert(link.stats(engine.app_table.sink.input.in2).rxpackets == 1) +end + +local function test_join () + local basic_apps = require("apps.basic.basic_apps") + engine.configure(config.new()) -- Clean up engine. + + local c = config.new() + config.app(c, 'source', basic_apps.Join) + config.app(c, 'v4v6', v4v6) + config.app(c, 'sink', basic_apps.Sink) + + config.link(c, 'source.output -> v4v6.v4_rx') + config.link(c, 'source.output -> v4v6.v6_rx') + config.link(c, 'v4v6.output -> sink.input') + + engine.configure(c) + link.transmit(engine.app_table.source.output.output, ipv4_pkt()) + link.transmit(engine.app_table.source.output.output, ipv6_pkt()) + engine.main({duration = 0.1, noreport = true}) + + assert(link.stats(engine.app_table.sink.input.input).rxpackets == 2) +end + +function selftest () + print("v4v6: selftest") + test_split() + test_join() + print("OK") +end From c1471a018793371cd10440aecf782f7422a596de Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 22 Jul 2016 09:38:13 +0000 Subject: [PATCH 122/340] Refactor load_check --- src/program/lwaftr/setup.lua | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index 4b6c00896b..b464a7e2ba 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -224,16 +224,19 @@ function load_check(c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) config.app(c, "tagv6", vlan.Tagger, { tag=conf.v6_vlan_tag }) end + local sources = { "capturev4.output", "capturev6.output" } + local sinks = { "output_filev4.input", "output_filev6.input" } + if conf.vlan_tagging then + sources = { "untagv4.output", "untagv6.output" } + sinks = { "tagv4.input", "tagv6.input" } + config.link(c, "capturev4.output -> untagv4.input") config.link(c, "capturev6.output -> untagv6.input") - link_source(c, 'untagv4.output', 'untagv6.output') - - link_sink(c, 'tagv4.input', 'tagv6.input') config.link(c, "tagv4.output -> output_filev4.input") config.link(c, "tagv6.output -> output_filev6.input") - else - link_source(c, 'capturev4.output', 'capturev6.output') - link_sink(c, 'output_filev4.input', 'output_filev6.input') end + + link_source(c, unpack(sources)) + link_sink(c, unpack(sinks)) end From d74c72c7726cdcb38741bbfeb41596d45dc588f3 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 22 Jul 2016 18:05:46 +0000 Subject: [PATCH 123/340] Tag ARP packets as IPv4 packets --- src/apps/lwaftr/constants.lua | 1 + src/apps/lwaftr/v4v6.lua | 20 +++++++++++++++++--- 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/src/apps/lwaftr/constants.lua b/src/apps/lwaftr/constants.lua index ea08c94a25..f2aca5c456 100644 --- a/src/apps/lwaftr/constants.lua +++ b/src/apps/lwaftr/constants.lua @@ -18,6 +18,7 @@ ethertype_ipv6 = 0x86DD n_ethertype_ipv4 = C.htons(0x0800) n_ethertype_ipv6 = C.htons(0x86DD) +n_ethertype_arp = C.htons(0x0806) -- ICMPv4 types icmpv4_echo_reply = 0 diff --git a/src/apps/lwaftr/v4v6.lua b/src/apps/lwaftr/v4v6.lua index 9651eccbb4..49ce7c3619 100644 --- a/src/apps/lwaftr/v4v6.lua +++ b/src/apps/lwaftr/v4v6.lua @@ -9,6 +9,7 @@ local rd16, rd32 = lwutil.rd16, lwutil.rd32 local ethernet_header_size = constants.ethernet_header_size local n_ethertype_ipv4 = constants.n_ethertype_ipv4 +local n_ethertype_arp = constants.n_ethertype_arp local o_ethernet_ethertype = constants.o_ethernet_ethertype local o_ipv4_dst_addr = constants.o_ipv4_dst_addr local o_ipv4_src_addr = constants.o_ipv4_src_addr @@ -17,7 +18,8 @@ local ipv6_fixed_header_size = constants.ipv6_fixed_header_size local v4v6_mirror = shm.create("v4v6_mirror", "struct { uint32_t ipv4; }") local function is_ipv4 (pkt) - return rd16(pkt.data + o_ethernet_ethertype) == n_ethertype_ipv4 + local ethertype = rd16(pkt.data + o_ethernet_ethertype) + return ethertype == n_ethertype_ipv4 or ethertype == n_ethertype_arp end local function get_ethernet_payload (pkt) return pkt.data + ethernet_header_size @@ -71,6 +73,7 @@ function v4v6:push() ipv4_num = v4v6_mirror.ipv4 end + -- Split input to IPv4 and IPv6 traffic. if input then while not link.empty(input) do @@ -134,6 +137,15 @@ local function ipv6_pkt () ]], 106)) end +local function arp_pkt () + local lib = require("core.lib") + return packet.from_string(lib.hexundump([[ + ff ff ff ff ff ff 22 22 22 22 22 22 08 06 00 01 + 08 00 06 04 00 01 22 22 22 22 22 22 0a 0a 0a 0a + 00 00 00 00 00 00 04 05 06 07 + ]], 42)) +end + local function test_split () local basic_apps = require("apps.basic.basic_apps") engine.configure(config.new()) -- Clean up engine. @@ -148,11 +160,12 @@ local function test_split () config.link(c, 'v4v6.v6_tx -> sink.in2') engine.configure(c) + link.transmit(engine.app_table.source.output.output, arp_pkt()) link.transmit(engine.app_table.source.output.output, ipv4_pkt()) link.transmit(engine.app_table.source.output.output, ipv6_pkt()) engine.main({duration = 0.1, noreport = true}) - assert(link.stats(engine.app_table.sink.input.in1).rxpackets == 1) + assert(link.stats(engine.app_table.sink.input.in1).rxpackets == 2) assert(link.stats(engine.app_table.sink.input.in2).rxpackets == 1) end @@ -170,11 +183,12 @@ local function test_join () config.link(c, 'v4v6.output -> sink.input') engine.configure(c) + link.transmit(engine.app_table.source.output.output, arp_pkt()) link.transmit(engine.app_table.source.output.output, ipv4_pkt()) link.transmit(engine.app_table.source.output.output, ipv6_pkt()) engine.main({duration = 0.1, noreport = true}) - assert(link.stats(engine.app_table.sink.input.input).rxpackets == 2) + assert(link.stats(engine.app_table.sink.input.input).rxpackets == 3) end function selftest () From f8250d997866fb03eda43d348414ade5c541d5d7 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 26 Jul 2016 11:32:20 +0000 Subject: [PATCH 124/340] Add on-a-stick support for 'lwAFTR check' --- src/program/lwaftr/check/check.lua | 40 +++++++++++++++++++++---- src/program/lwaftr/setup.lua | 47 ++++++++++++++++++++++++++++++ 2 files changed, 82 insertions(+), 5 deletions(-) diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 436c6ee521..eb3c67038e 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -16,12 +16,16 @@ function show_usage(code) main.exit(code) end -function parse_args(args) +function parse_args (args) local handlers = {} + local opts = {} function handlers.h() show_usage(0) end - args = lib.dogetopt(args, handlers, "h", { help="h" }) + handlers["on-a-stick"] = function () + opts["on-a-stick"] = true + end + args = lib.dogetopt(args, handlers, "h", { help="h", ["on-a-stick"] = 0 }) if #args ~= 5 and #args ~= 6 then show_usage(1) end - return unpack(args) + return opts, args end function load_requested_counters(counters) @@ -71,10 +75,36 @@ function validate_diff(actual, expected) end end -function run(args) +local function run_on_a_stick (args) local conf_file, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap, counters_path = - parse_args(args) + unpack(args) + local conf = require('apps.lwaftr.conf').load_lwaftr_config(conf_file) + + local c = config.new() + setup.load_check_on_a_stick(c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) + engine.configure(c) + if counters_path then + local initial_counters = read_counters(c) + engine.main({duration=0.10}) + local final_counters = read_counters(c) + local counters_diff = diff_counters(final_counters, initial_counters) + local req_counters = load_requested_counters(counters_path) + validate_diff(counters_diff, req_counters) + else + engine.main({duration=0.10}) + end +end +function run(args) + local opts, args = parse_args(args) + if opts["on-a-stick"] then + run_on_a_stick(args) + print("done") + return + end + + local conf_file, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap, counters_path = + unpack(args) local conf = require('apps.lwaftr.conf').load_lwaftr_config(conf_file) local c = config.new() diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index b464a7e2ba..59304ae6ae 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -210,6 +210,53 @@ function load_bench(c, conf, v4_pcap, v6_pcap, v4_sink, v6_sink) link_sink(c, v4_sink..'.input', v6_sink..'.input') end +function load_check_on_a_stick (c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) + lwaftr_app(c, conf) + + config.app(c, "capturev4", pcap.PcapReader, inv4_pcap) + config.app(c, "capturev6", pcap.PcapReader, inv6_pcap) + config.app(c, "output_filev4", pcap.PcapWriter, outv4_pcap) + config.app(c, "output_filev6", pcap.PcapWriter, outv6_pcap) + if conf.vlan_tagging then + config.app(c, "untagv4", vlan.Untagger, { tag=conf.v4_vlan_tag }) + config.app(c, "untagv6", vlan.Untagger, { tag=conf.v6_vlan_tag }) + config.app(c, "tagv4", vlan.Tagger, { tag=conf.v4_vlan_tag }) + config.app(c, "tagv6", vlan.Tagger, { tag=conf.v6_vlan_tag }) + end + + local basic_apps = require("apps.basic.basic_apps") + local v4v6 = require("apps.lwaftr.v4v6").v4v6 + config.app(c, 'v4v6', v4v6) + config.app(c, 'splitter', v4v6) + config.app(c, 'join', basic_apps.Join) + + local sources = { "v4v6.v4_tx", "v4v6.v6_tx" } + local sinks = { "v4v6.v4_rx", "v4v6.v6_rx" } + + if conf.vlan_tagging then + config.link(c, "capturev4.output -> untagv4.input") + config.link(c, "capturev6.output -> untagv6.input") + config.link(c, "untagv4.output -> join.in1") + config.link(c, "untagv6.output -> join.in2") + config.link(c, "join.out -> v4v6.input") + config.link(c, "v4v6.output -> splitter.input") + config.link(c, "splitter.v4_tx -> tagv4.input") + config.link(c, "splitter.v6_tx -> tagv6.input") + config.link(c, "tagv4.output -> output_filev4.input") + config.link(c, "tagv6.output -> output_filev6.input") + else + config.link(c, "capturev4.output -> join.in1") + config.link(c, "capturev6.output -> join.in2") + config.link(c, "join.out -> v4v6.input") + config.link(c, "v4v6.output -> splitter.input") + config.link(c, "splitter.v4_tx -> output_filev4.input") + config.link(c, "splitter.v6_tx -> output_filev6.input") + end + + link_source(c, unpack(sources)) + link_sink(c, unpack(sinks)) +end + function load_check(c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) lwaftr_app(c, conf) From 8aca7e6d4ebc310472ed71150329e9f52704d140 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 27 Jul 2016 05:59:26 +0000 Subject: [PATCH 125/340] Run end-to-end tests in on-a-stick mode too --- .../lwaftr/tests/end-to-end/end-to-end.sh | 43 ++++++++++++++++--- 1 file changed, 38 insertions(+), 5 deletions(-) diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index dbed6970be..c600545d5c 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -23,11 +23,7 @@ function scmp { fi } -function snabb_run_and_cmp { - if [ -z $6 ]; then - echo "not enough arguments to snabb_run_and_cmp" - exit 1 - fi +function snabb_run_and_cmp_two_interfaces { conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6; endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap"; rm -f $endoutv4 $endoutv6 @@ -42,6 +38,43 @@ function snabb_run_and_cmp { echo "Test passed" } +function is_packet_in_wrong_interface_test { + counters_path=$1 + if [[ "$counters_path" == "${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua" || + "$counters_path" == "${COUNTERS}/non-ipv4-traffic-to-ipv4-interface.lua" ]]; then + echo 1 + fi +} + +function snabb_run_and_cmp_on_a_stick { + conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6 + endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap" + # Skip these tests as they won't fail in on-a-stick mode. + if [[ $(is_packet_in_wrong_interface_test $counters_path) ]]; then + echo "Test skipped" + return + fi + rm -f $endoutv4 $endoutv6 + ${SNABB_LWAFTR} check --on-a-stick \ + $conf $v4_in $v6_in \ + $endoutv4 $endoutv6 $counters_path || quit_with_msg \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v4_out $endoutv4 \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v6_out $endoutv6 \ + "Failure: ${SNABB_LWAFTR} check $*" + echo "Test passed" +} + +function snabb_run_and_cmp { + if [ -z $6 ]; then + echo "not enough arguments to snabb_run_and_cmp" + exit 1 + fi + snabb_run_and_cmp_two_interfaces $@ + snabb_run_and_cmp_on_a_stick $@ +} + echo "Testing: from-internet IPv4 packet found in the binding table." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${TEST_BASE}/tcp-frominet-bound.pcap ${EMPTY} \ From 2959333447a76e82aade49082a3f234d70d9031d Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 27 Jul 2016 06:22:30 +0000 Subject: [PATCH 126/340] Run end-to-end-vlan tests in on-a-stick mode too --- .../tests/end-to-end/end-to-end-vlan.sh | 42 ++++++++++++++++--- 1 file changed, 37 insertions(+), 5 deletions(-) diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index 88f87a469f..faab54499c 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -24,11 +24,7 @@ function scmp { fi } -function snabb_run_and_cmp { - if [ -z $6 ]; then - echo "not enough arguments to snabb_run_and_cmp" - exit 1 - fi +function snabb_run_and_cmp_two_interfaces { conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6; endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap"; rm -f $endoutv4 $endoutv6 @@ -43,6 +39,42 @@ function snabb_run_and_cmp { echo "Test passed" } +function is_packet_in_wrong_interface_test { + counters_path=$1 + if [[ "$counters_path" == "${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua" || + "$counters_path" == "${COUNTERS}/non-ipv4-traffic-to-ipv4-interface.lua" ]]; then + echo 1 + fi +} + +function snabb_run_and_cmp_on_a_stick { + conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6 + endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap" + if [[ $(is_packet_in_wrong_interface_test $counters_path) ]]; then + echo "Test skipped" + return + fi + rm -f $endoutv4 $endoutv6 + ${SNABB_LWAFTR} check --on-a-stick \ + $conf $v4_in $v6_in \ + $endoutv4 $endoutv6 $counters_path || quit_with_msg \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v4_out $endoutv4 \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v6_out $endoutv6 \ + "Failure: ${SNABB_LWAFTR} check $*" + echo "Test passed" +} + +function snabb_run_and_cmp { + if [ -z $6 ]; then + echo "not enough arguments to snabb_run_and_cmp" + exit 1 + fi + snabb_run_and_cmp_on_a_stick $@ + snabb_run_and_cmp_two_interfaces $@ +} + echo "Testing: from-internet IPv4 packet found in the binding table." snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ ${TEST_DATA}/tcp-frominet-bound.pcap ${EMPTY} \ From 719b3abe76624e7253326362f55766a854ab74f2 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 10 Aug 2016 09:19:47 +0000 Subject: [PATCH 127/340] Rename 'v4v6' app to 'V4V6' --- src/apps/lwaftr/{v4v6.lua => V4V6.lua} | 16 ++++++++-------- src/program/lwaftr/setup.lua | 8 ++++---- 2 files changed, 12 insertions(+), 12 deletions(-) rename src/apps/lwaftr/{v4v6.lua => V4V6.lua} (96%) diff --git a/src/apps/lwaftr/v4v6.lua b/src/apps/lwaftr/V4V6.lua similarity index 96% rename from src/apps/lwaftr/v4v6.lua rename to src/apps/lwaftr/V4V6.lua index 49ce7c3619..d770e1a4ca 100644 --- a/src/apps/lwaftr/v4v6.lua +++ b/src/apps/lwaftr/V4V6.lua @@ -51,17 +51,17 @@ local function mirror_ipv6 (pkt, output, ipv4_num) end end -v4v6 = {} +V4V6 = {} -function v4v6:new (conf) +function V4V6:new (conf) local o = { - description = conf.description or "v4v6", + description = conf.description or "V4V6", mirror = conf.mirror or false, } - return setmetatable(o, {__index = v4v6}) + return setmetatable(o, {__index = V4V6}) end -function v4v6:push() +function V4V6:push() local input, output = self.input.input, self.output.output local v4_tx, v6_tx = self.output.v4_tx, self.output.v6_tx local v4_rx, v6_rx = self.input.v4_rx, self.input.v6_rx @@ -152,7 +152,7 @@ local function test_split () local c = config.new() config.app(c, 'source', basic_apps.Join) - config.app(c, 'v4v6', v4v6) + config.app(c, 'v4v6', V4V6) config.app(c, 'sink', basic_apps.Sink) config.link(c, 'source.output -> v4v6.input') @@ -175,7 +175,7 @@ local function test_join () local c = config.new() config.app(c, 'source', basic_apps.Join) - config.app(c, 'v4v6', v4v6) + config.app(c, 'v4v6', V4V6) config.app(c, 'sink', basic_apps.Sink) config.link(c, 'source.output -> v4v6.v4_rx') @@ -192,7 +192,7 @@ local function test_join () end function selftest () - print("v4v6: selftest") + print("V4V6: selftest") test_split() test_join() print("OK") diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index 59304ae6ae..7c1a71e44a 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -3,7 +3,7 @@ module(..., package.seeall) local config = require("core.config") local Intel82599 = require("apps.intel.intel_app").Intel82599 local PcapFilter = require("apps.packet_filter.pcap_filter").PcapFilter -local V4V6 = require("apps.lwaftr.v4v6").v4v6 +local V4V6 = require("apps.lwaftr.V4V6").V4V6 local VirtioNet = require("apps.virtio_net.virtio_net").VirtioNet local lwaftr = require("apps.lwaftr.lwaftr") local basic_apps = require("apps.basic.basic_apps") @@ -225,9 +225,9 @@ function load_check_on_a_stick (c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6 end local basic_apps = require("apps.basic.basic_apps") - local v4v6 = require("apps.lwaftr.v4v6").v4v6 - config.app(c, 'v4v6', v4v6) - config.app(c, 'splitter', v4v6) + local V4V6 = require("apps.lwaftr.V4V6").V4V6 + config.app(c, 'v4v6', V4V6) + config.app(c, 'splitter', V4V6) config.app(c, 'join', basic_apps.Join) local sources = { "v4v6.v4_tx", "v4v6.v6_tx" } From 4fe25a34a9354007cfb4fba4c22e7ae788d3d706 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 13 Jul 2016 11:53:15 +0200 Subject: [PATCH 128/340] Add support for icmpv4_rate_limiter_n_packets and icmpv4_rate_limiter_n_seconds configuration parameters --- src/apps/lwaftr/conf.lua | 8 ++++++++ src/apps/lwaftr/dump.lua | 6 ++++++ 2 files changed, 14 insertions(+) diff --git a/src/apps/lwaftr/conf.lua b/src/apps/lwaftr/conf.lua index 064f9a0f00..ddc18fc1bc 100644 --- a/src/apps/lwaftr/conf.lua +++ b/src/apps/lwaftr/conf.lua @@ -45,6 +45,8 @@ local lwaftr_conf_spec = { next_hop6_mac=Parser.parse_mac, binding_table=Parser.parse_file_name, hairpinning=Parser.parse_boolean, + icmpv4_rate_limiter_n_packets=Parser.parse_non_negative_number, + icmpv4_rate_limiter_n_seconds=Parser.parse_positive_number, icmpv6_rate_limiter_n_packets=Parser.parse_non_negative_number, icmpv6_rate_limiter_n_seconds=Parser.parse_positive_number, inet_mac=Parser.parse_mac, @@ -72,6 +74,8 @@ local lwaftr_conf_spec = { next_hop6_mac=required_at_least_one_of('next_hop6_mac', 'next_hop_ipv6_addr'), binding_table=required('binding_table'), hairpinning=default(true), + icmpv4_rate_limiter_n_packets=default(6e5), + icmpv4_rate_limiter_n_seconds=default(2), icmpv6_rate_limiter_n_packets=default(6e5), icmpv6_rate_limiter_n_seconds=default(2), inet_mac=required_at_least_one_of('inet_mac', 'next_hop_ipv4_addr'), @@ -125,6 +129,8 @@ function selftest() next_hop6_mac = 44:44:44:44:44:44 binding_table = "foo-table.txt" hairpinning = false + icmpv4_rate_limiter_n_packets=6e3 + icmpv4_rate_limiter_n_seconds=2 icmpv6_rate_limiter_n_packets=6e3 icmpv6_rate_limiter_n_seconds=2 inet_mac = 68:68:68:68:68:68 @@ -146,6 +152,8 @@ function selftest() next_hop6_mac = ethernet:pton("44:44:44:44:44:44"), binding_table = "foo-table.txt", hairpinning = false, + icmpv4_rate_limiter_n_packets=6e3, + icmpv4_rate_limiter_n_seconds=2, icmpv6_rate_limiter_n_packets=6e3, icmpv6_rate_limiter_n_seconds=2, inet_mac = ethernet:pton("68:68:68:68:68:68"), diff --git a/src/apps/lwaftr/dump.lua b/src/apps/lwaftr/dump.lua index 5eb73abd8d..f85fd60180 100644 --- a/src/apps/lwaftr/dump.lua +++ b/src/apps/lwaftr/dump.lua @@ -51,6 +51,8 @@ local lwaftr_conf_spec = { next_hop6_mac=Dumper.mac, binding_table=Dumper.string, hairpinning=Dumper.boolean, + icmpv4_rate_limiter_n_packets=Dumper.number, + icmpv4_rate_limiter_n_seconds=Dumper.number, icmpv6_rate_limiter_n_packets=Dumper.number, icmpv6_rate_limiter_n_seconds=Dumper.number, inet_mac=Dumper.mac, @@ -169,6 +171,8 @@ function selftest () next_hop6_mac=44:44:44:44:44:44 binding_table="foo-table.txt" hairpinning=false + icmpv4_rate_limiter_n_packets=6e3 + icmpv4_rate_limiter_n_seconds=2 icmpv6_rate_limiter_n_packets=6e3 icmpv6_rate_limiter_n_seconds=2 inet_mac = 68:68:68:68:68:68 @@ -192,6 +196,8 @@ function selftest () aftr_mac_inet_side = 12:12:12:12:12:12 binding_table = foo-table.txt hairpinning = false + icmpv4_rate_limiter_n_packets = 6000 + icmpv4_rate_limiter_n_seconds = 2 icmpv6_rate_limiter_n_packets = 6000 icmpv6_rate_limiter_n_seconds = 2 inet_mac = 68:68:68:68:68:68 From 45a66d46ef560f5dccc84926fcd4ee86e99f6aac Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 13 Jul 2016 11:32:14 +0200 Subject: [PATCH 129/340] Refactor transmit_icmpv6_with_rate_limit --- src/apps/lwaftr/lwaftr.lua | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 8ed6a26e63..24945393c3 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -273,9 +273,9 @@ local function drop_ipv4(lwstate, pkt, pkt_src_link) return drop(pkt) end -local transmit_icmpv6_with_rate_limit +local transmit_icmpv6_reply -local function init_transmit_icmpv6_with_rate_limit(lwstate) +local function init_transmit_icmpv6_reply(lwstate) assert(lwstate.icmpv6_rate_limiter_n_seconds > 0, "Incorrect icmpv6_rate_limiter_n_seconds value, must be > 0") assert(lwstate.icmpv6_rate_limiter_n_packets >= 0, @@ -285,11 +285,11 @@ local function init_transmit_icmpv6_with_rate_limit(lwstate) local num_packets = 0 local last_time return function (o, pkt) - local cur_now = tonumber(engine.now()) - last_time = last_time or cur_now + local now = tonumber(engine.now()) + last_time = last_time or now -- Reset if elapsed time reached. - if cur_now - last_time >= icmpv6_rate_limiter_n_seconds then - last_time = cur_now + if now - last_time >= icmpv6_rate_limiter_n_seconds then + last_time = now num_packets = 0 end -- Send packet if limit not reached. @@ -342,7 +342,7 @@ function LwAftr:new(conf) o.counters = create_counters() - transmit_icmpv6_with_rate_limit = init_transmit_icmpv6_with_rate_limit(o) + transmit_icmpv6_reply = init_transmit_icmpv6_reply(o) if debug then lwdebug.pp(conf) end return o end @@ -505,7 +505,7 @@ local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt) lwstate.aftr_mac_b4_side, lwstate.next_hop6_mac, lwstate.aftr_ipv6_ip, ipv6_src_addr, pkt, ethernet_header_size, icmp_config) drop(pkt) - transmit_icmpv6_with_rate_limit(lwstate.o6, b4fail_icmp) + transmit_icmpv6_reply(lwstate.o6, b4fail_icmp) end local function encapsulating_packet_with_df_flag_would_exceed_mtu(lwstate, pkt) From ad87150b361eb3a9b4dd259dc49df05b49c1e245 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 13 Jul 2016 11:50:20 +0200 Subject: [PATCH 130/340] Rate-limiting of ICMPv4 packets --- src/apps/lwaftr/lwaftr.lua | 83 +++++++++++++++++++++++++------------- 1 file changed, 54 insertions(+), 29 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 24945393c3..5c047055b0 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -273,7 +273,7 @@ local function drop_ipv4(lwstate, pkt, pkt_src_link) return drop(pkt) end -local transmit_icmpv6_reply +local transmit_icmpv6_reply, transmit_icmpv4_reply local function init_transmit_icmpv6_reply(lwstate) assert(lwstate.icmpv6_rate_limiter_n_seconds > 0, @@ -306,6 +306,56 @@ local function init_transmit_icmpv6_reply(lwstate) end end +local function ipv4_in_binding_table (lwstate, ip) + return lwstate.binding_table:is_managed_ipv4_address(ip) +end + +local function init_transmit_icmpv4_reply (lwstate) + assert(lwstate.icmpv4_rate_limiter_n_seconds > 0, + "Incorrect icmpv4_rate_limiter_n_seconds value, must be > 0") + assert(lwstate.icmpv4_rate_limiter_n_packets >= 0, + "Incorrect icmpv4_rate_limiter_n_packets value, must be >= 0") + local icmpv4_rate_limiter_n_seconds = lwstate.icmpv4_rate_limiter_n_seconds + local icmpv4_rate_limiter_n_packets = lwstate.icmpv4_rate_limiter_n_packets + local num_packets = 0 + local last_time + return function (o, pkt, orig_pkt) + local now = tonumber(engine.now()) + last_time = last_time or now + -- Reset if elapsed time reached. + if now - last_time >= icmpv4_rate_limiter_n_seconds then + last_time = now + num_packets = 0 + end + -- Send packet if limit not reached. + if num_packets < icmpv4_rate_limiter_n_packets then + num_packets = num_packets + 1 + drop(orig_pkt) + counter.add(lwstate.counters["out-icmpv4-bytes"], pkt.length) + counter.add(lwstate.counters["out-icmpv4-packets"]) + -- Only locally generated error packets are handled here. We transmit + -- them right away, instead of calling transmit_ipv4, because they are + -- never hairpinned and should not be counted by the "out-ipv4" counter. + -- However, they should be tunneled if the error is to be sent to a host + -- behind a B4, whether or not hairpinning is enabled; this is not hairpinning. + -- ... and the tunneling should happen via the 'hairpinning' queue, to make + -- sure counters are handled appropriately, despite this not being hairpinning. + -- This avoids having phantom incoming IPv4 packets. + local ipv4_header = get_ethernet_payload(pkt) + local dst_ip = get_ipv4_dst_address(ipv4_header) + if ipv4_in_binding_table(lwstate, dst_ip) then + return transmit(lwstate.input.hairpin_in, pkt) + else + counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["out-ipv4-packets"]) + return transmit(lwstate.o4, pkt) + end + else + return drop(pkt) + end + end +end + LwAftr = {} function LwAftr:new(conf) @@ -324,6 +374,8 @@ function LwAftr:new(conf) o.aftr_mac_inet_side = conf.aftr_mac_inet_side o.next_hop6_mac = conf.next_hop6_mac or ethernet:pton("00:00:00:00:00:00") o.hairpinning = conf.hairpinning + o.icmpv4_rate_limiter_n_packets = conf.icmpv4_rate_limiter_n_packets + o.icmpv4_rate_limiter_n_seconds = conf.icmpv4_rate_limiter_n_seconds o.icmpv6_rate_limiter_n_packets = conf.icmpv6_rate_limiter_n_packets o.icmpv6_rate_limiter_n_seconds = conf.icmpv6_rate_limiter_n_seconds o.inet_mac = conf.inet_mac or ethernet:pton("00:00:00:00:00:00") @@ -343,6 +395,7 @@ function LwAftr:new(conf) o.counters = create_counters() transmit_icmpv6_reply = init_transmit_icmpv6_reply(o) + transmit_icmpv4_reply = init_transmit_icmpv4_reply(o) if debug then lwdebug.pp(conf) end return o end @@ -384,10 +437,6 @@ local function binding_lookup_ipv4(lwstate, ipv4_ip, port) end end -local function ipv4_in_binding_table(lwstate, ip) - return lwstate.binding_table:is_managed_ipv4_address(ip) -end - local function in_binding_table(lwstate, ipv6_src_ip, ipv6_dst_ip, ipv4_src_ip, ipv4_src_port) local b4, br = binding_lookup_ipv4(lwstate, ipv4_src_ip, ipv4_src_port) return b4 and ipv6_equals(b4, ipv6_src_ip) and ipv6_equals(br, ipv6_dst_ip) @@ -427,30 +476,6 @@ local function transmit_ipv4(lwstate, pkt) end end --- Only locally generated error packets are handled here. We transmit --- them right away, instead of calling transmit_ipv4, because they are --- never hairpinned and should not be counted by the "out-ipv4" counter. --- However, they should be tunneled if the error is to be sent to a host --- behind a B4, whether or not hairpinning is enabled; this is not hairpinning. --- ... and the tunneling should happen via the 'hairpinning' queue, to make --- sure counters are handled appropriately, despite this not being hairpinning. --- This avoids having phantom incoming IPv4 packets. -local function transmit_icmpv4_reply(lwstate, pkt, orig_pkt) - drop(orig_pkt) - counter.add(lwstate.counters["out-icmpv4-bytes"], pkt.length) - counter.add(lwstate.counters["out-icmpv4-packets"]) - - local ipv4_header = get_ethernet_payload(pkt) - local dst_ip = get_ipv4_dst_address(ipv4_header) - if ipv4_in_binding_table(lwstate, dst_ip) then - return transmit(lwstate.input.hairpin_in, pkt) - else - counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["out-ipv4-packets"]) - return transmit(lwstate.o4, pkt) - end -end - -- ICMPv4 type 3 code 1, as per RFC 7596. -- The target IPv4 address + port is not in the table. local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, pkt_src_link) From 98519bf399e72e3ec19cb5b065ca69d84f162f0d Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 10 Aug 2016 13:11:43 +0000 Subject: [PATCH 131/340] Remove 'ingress_drop_monitor' dead code --- src/core/app.lua | 34 ------------------------ src/program/lwaftr/loadtest/loadtest.lua | 2 +- 2 files changed, 1 insertion(+), 35 deletions(-) diff --git a/src/core/app.lua b/src/core/app.lua index 371835bf73..30d1c0c7d8 100644 --- a/src/core/app.lua +++ b/src/core/app.lua @@ -86,40 +86,6 @@ function with_restart (app, method) return status, result end --- Ingress packet drop monitor. -ingress_drop_monitor = { - threshold = 100000, - wait = 20, - last_flush = 0, - last_value = ffi.new('uint64_t[1]'), - current_value = ffi.new('uint64_t[1]') -} - -function ingress_drop_monitor:sample() - local sum = self.current_value - sum[0] = 0 - for i = 1, #app_array do - local app = app_array[i] - if app.ingress_packet_drops and not app.dead then - local status, value = with_restart(app, app.ingress_packet_drops) - if status then sum[0] = sum[0] + value end - end - end -end - -function ingress_drop_monitor:jit_flush_if_needed() - if self.current_value[0] - self.last_value[0] < self.threshold then return end - if now() - self.last_flush < self.wait then return end - self.last_flush = now() - self.last_value[0] = self.current_value[0] - jit.flush() - print(now()..": warning: Dropped more than "..self.threshold.." packets;" - .." flushing JIT to try to recover. See" - .." https://github.com/Igalia/snabb/blob/lwaftr_starfruit/src/program/lwaftr/doc/README.performance.md" - .." for performance tuning tips.") - --- TODO: Change last_flush, last_value and current_value fields to be counters. -end - -- Restart dead apps. function restart_dead_apps () if not use_restart then return end diff --git a/src/program/lwaftr/loadtest/loadtest.lua b/src/program/lwaftr/loadtest/loadtest.lua index 96c72f7447..ea753ebfba 100644 --- a/src/program/lwaftr/loadtest/loadtest.lua +++ b/src/program/lwaftr/loadtest/loadtest.lua @@ -246,7 +246,7 @@ function run(args) local function done() return is_done end head:resolve() - engine.main({done=done, ingress_drop_monitor=false}) + engine.main({done=done}) end engine.busywait = true From 9e525a63625b4b170b9e456af9833f7cd399f881 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Fri, 12 Aug 2016 16:57:51 +0200 Subject: [PATCH 132/340] Added random ejection to ctables --- src/lib/ctable.lua | 53 +++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 50 insertions(+), 3 deletions(-) diff --git a/src/lib/ctable.lua b/src/lib/ctable.lua index 53e71c32db..150ed405b4 100644 --- a/src/lib/ctable.lua +++ b/src/lib/ctable.lua @@ -217,6 +217,30 @@ function CTable:insert(hash, key, value, updates_allowed) return index end +-- Choose a random index between the start of the table and its occupancy_hi +-- value. This guarantees that there will be an entry to eject, because this +-- is only called when the table is 'full'. +local function random_eject(ctab) + local eject_index = math.random(0, ctab.occupancy_hi - 1) + -- Empty entries can't be ejected; find a non-empty one + while ctab.entries[eject_index].hash == HASH_MAX do + eject_index = eject_index + 1 + end + assert(eject_index <= ctab.size + ctab.max_displacement, + "Ctab: eject_index too large!") -- This should be unreachable + local ptr = ctab.entries + eject_index + ctab:remove_ptr(ptr) +end + +-- Behave exactly like insertion, except if the table is full: if it is, then +-- eject a random entry instead of resizing. +function CTable:add_with_random_ejection(key, value, updates_allowed) + if self.occupancy + 1 > self.occupancy_hi then + random_eject(self) + end + return self:add(key, value, updates_allowed) +end + function CTable:add(key, value, updates_allowed) local hash = self.hash_fn(key) assert(hash >= 0) @@ -259,9 +283,11 @@ end function CTable:remove_ptr(entry) local scale = self.scale local index = entry - self.entries - assert(index >= 0) - assert(index <= self.size + self.max_displacement) - assert(entry.hash ~= HASH_MAX) + assert(index >= 0, "Ctab: index must be >= 0.") + assert(index <= self.size + self.max_displacement, + string.format("Ctab: bad index %s, should be at most %s.", + index, self.size + self.max_displacement)) + assert(entry.hash ~= HASH_MAX, "Ctab: entry hash must not be HASH_MAX.") self.occupancy = self.occupancy - 1 entry.hash = HASH_MAX @@ -444,6 +470,27 @@ function selftest() for entry in ctab:iterate() do iterated = iterated + 1 end assert(iterated == occupancy) + local i = occupancy * 2 + -- Fill table fully, until it would be resized. + -- This is necessary even on a 'full' table potentially, + -- because occupancy_hi is calculated with ceil() + while ctab.occupancy + 1 <= ctab.occupancy_hi do + for j=0,5 do v[j] = bnot(i) end + ctab:add_with_random_ejection(i, v) + i = i + 1 + occupancy = occupancy + 1 + end + + for j=0,5 do v[j] = bnot(i) end + ctab:add_with_random_ejection(i, v) + local iterated = 0 + for entry in ctab:iterate() do iterated = iterated + 1 end + assert(iterated == occupancy, "bad random ejection!") + + ctab:remove(1, false) + local iterated = 0 + for entry in ctab:iterate() do iterated = iterated + 1 end + assert(iterated == occupancy - 1) -- OK, all looking good with our ctab. -- A check that our equality functions work as intended. From ce4edd1ff4ca85a63b9f0eba475f1ce058154d84 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Tue, 14 Jun 2016 13:18:11 +0200 Subject: [PATCH 133/340] Add a 'snabb lwaftr query' subcommand Implement the 'snabb lwaftr query' subcommand --- src/apps/lwaftr/lwaftr.lua | 2 +- src/program/lwaftr/README | 3 +- src/program/lwaftr/check/check.lua | 10 ++--- src/program/lwaftr/query/README | 14 +++++++ src/program/lwaftr/query/README.inc | 1 + src/program/lwaftr/query/query.lua | 62 +++++++++++++++++++++++++++++ 6 files changed, 85 insertions(+), 7 deletions(-) create mode 100644 src/program/lwaftr/query/README create mode 120000 src/program/lwaftr/query/README.inc create mode 100644 src/program/lwaftr/query/query.lua diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 5c047055b0..8b21171484 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -58,7 +58,7 @@ local ipv6_fixed_header_size = constants.ipv6_fixed_header_size -- - reason: reasons for dropping; -- - protocol+version: "icmpv4", "icmpv6", "ipv4", "ipv6"; -- - size: "bytes", "packets". -local counters_dir = "app/lwaftr/counters/" +counters_dir = "app/lwaftr/counters/" -- Referenced by program/check/check.lua counter_names = { diff --git a/src/program/lwaftr/README b/src/program/lwaftr/README index 4116c7ecbf..7851a18247 100644 --- a/src/program/lwaftr/README +++ b/src/program/lwaftr/README @@ -8,7 +8,8 @@ Usage: snabb lwaftr control snabb lwaftr loadtest snabb lwaftr generator + snabb lwaftr query Use --help for per-command usage. Example: - snabb-lwaftr run --help + snabb lwaftr run --help diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index eb3c67038e..0e5d40cfde 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -5,11 +5,11 @@ local config = require("core.config") local counter = require("core.counter") local lib = require("core.lib") local setup = require("program.lwaftr.setup") --- Get the counter names from the code, so that any change there --- has a chance to be automatically picked up by the tests. -local counter_names = require("apps.lwaftr.lwaftr").counter_names - -local counters_dir = "app/lwaftr/counters/" +-- Get the counter directory and names from the code, so that any change +-- in there will be automatically picked up by the tests. +local lwaftr = require("apps.lwaftr.lwaftr") +local counter_names = lwaftr.counter_names +local counters_dir = lwaftr.counters_dir function show_usage(code) print(require("program.lwaftr.check.README_inc")) diff --git a/src/program/lwaftr/query/README b/src/program/lwaftr/query/README new file mode 100644 index 0000000000..cfd2b38ab6 --- /dev/null +++ b/src/program/lwaftr/query/README @@ -0,0 +1,14 @@ +Usage: + query [OPTIONS] [] + + -h, --help + Print usage information. + +Display current statistics from lwAftr counters for a running Snabb instance +with . If is not supplied and there is only one Snabb instance, +"query" will connect to that instance. + +The values for the counters defined in will be +displayed, but only the ones that are not zero. + +It needs root privileges. diff --git a/src/program/lwaftr/query/README.inc b/src/program/lwaftr/query/README.inc new file mode 120000 index 0000000000..100b93820a --- /dev/null +++ b/src/program/lwaftr/query/README.inc @@ -0,0 +1 @@ +README \ No newline at end of file diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua new file mode 100644 index 0000000000..41901f9c80 --- /dev/null +++ b/src/program/lwaftr/query/query.lua @@ -0,0 +1,62 @@ +module(..., package.seeall) + +local counter = require("core.counter") +local lib = require("core.lib") +local shm = require("core.shm") +local S = require("syscall") + +-- Get the counter dir from the code. +local counters_rel_dir = require("apps.lwaftr.lwaftr").counters_dir + +function show_usage (code) + print(require("program.lwaftr.query.README_inc")) + main.exit(code) +end + +function parse_args (raw_args) + local handlers = {} + function handlers.h() show_usage(0) end + local args = lib.dogetopt(raw_args, handlers, "h", { help="h" }) + if #args > 1 then show_usage(1) end + return args[1] +end + +-- TODO: taken from program/top/top.lua, unify somewhere. +function select_snabb_instance (pid) + local instances = shm.children("//") + if pid then + -- Try to use the given pid. + for _, instance in ipairs(instances) do + if instance == pid then return pid end + end + print("No such Snabb instance: "..pid) + elseif #instances == 2 then + -- Two means one is us, so we pick the other. + local own_pid = tostring(S.getpid()) + if instances[1] == own_pid then return instances[2] + else return instances[1] end + elseif #instances == 1 then print("No Snabb instance found.") + else print("Multiple Snabb instances found. Select one.") end + os.exit(1) +end + +function print_counters (tree) + local cnt, cnt_path, value + print("lwAFTR operational counters (non-zero)") + -- Open, read and print whatever counters are in that directory. + local counters_path = tree .. "/" .. counters_rel_dir + for _, name in ipairs(shm.children(counters_path)) do + cnt_path = counters_path .. name + cnt = counter.open(cnt_path, 'readonly') + value = tonumber(counter.read(cnt)) + if value ~= 0 then + print(name..": "..value) + end + end +end + +function run (raw_args) + local target_pid = parse_args(raw_args) + local instance_tree = "//"..(select_snabb_instance(target_pid)) + print_counters(instance_tree) +end From 1119dfb9907e8e1f49af0b2c36aa36080088fa5d Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 12 Aug 2016 17:54:26 +0000 Subject: [PATCH 134/340] Import 'lwaftr query' program to lwaftr branch --- src/program/lwaftr/query/query.lua | 32 +++++++++--------------------- 1 file changed, 9 insertions(+), 23 deletions(-) diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua index 41901f9c80..fb03b1c8b4 100644 --- a/src/program/lwaftr/query/query.lua +++ b/src/program/lwaftr/query/query.lua @@ -1,12 +1,16 @@ module(..., package.seeall) +local S = require("syscall") local counter = require("core.counter") local lib = require("core.lib") +local lwaftr = require("apps.lwaftr.lwaftr") local shm = require("core.shm") -local S = require("syscall") +local top = require("program.top.top") + +local select_snabb_instance = top.select_snabb_instance -- Get the counter dir from the code. -local counters_rel_dir = require("apps.lwaftr.lwaftr").counters_dir +local counters_rel_dir = lwaftr.counters_dir function show_usage (code) print(require("program.lwaftr.query.README_inc")) @@ -21,35 +25,17 @@ function parse_args (raw_args) return args[1] end --- TODO: taken from program/top/top.lua, unify somewhere. -function select_snabb_instance (pid) - local instances = shm.children("//") - if pid then - -- Try to use the given pid. - for _, instance in ipairs(instances) do - if instance == pid then return pid end - end - print("No such Snabb instance: "..pid) - elseif #instances == 2 then - -- Two means one is us, so we pick the other. - local own_pid = tostring(S.getpid()) - if instances[1] == own_pid then return instances[2] - else return instances[1] end - elseif #instances == 1 then print("No Snabb instance found.") - else print("Multiple Snabb instances found. Select one.") end - os.exit(1) -end - function print_counters (tree) local cnt, cnt_path, value print("lwAFTR operational counters (non-zero)") -- Open, read and print whatever counters are in that directory. - local counters_path = tree .. "/" .. counters_rel_dir + local counters_path = "/" .. tree .. "/" .. counters_rel_dir for _, name in ipairs(shm.children(counters_path)) do cnt_path = counters_path .. name cnt = counter.open(cnt_path, 'readonly') value = tonumber(counter.read(cnt)) if value ~= 0 then + name = name:gsub(".counter$", "") print(name..": "..value) end end @@ -57,6 +43,6 @@ end function run (raw_args) local target_pid = parse_args(raw_args) - local instance_tree = "//"..(select_snabb_instance(target_pid)) + local instance_tree = select_snabb_instance(target_pid) print_counters(instance_tree) end From a8353a793d3ce238087f1253c106954c6cc7772e Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 15 Aug 2016 11:05:20 +0000 Subject: [PATCH 135/340] Format numbers with lib.comma_value --- src/program/lwaftr/query/query.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua index fb03b1c8b4..69cc79b03c 100644 --- a/src/program/lwaftr/query/query.lua +++ b/src/program/lwaftr/query/query.lua @@ -36,7 +36,7 @@ function print_counters (tree) value = tonumber(counter.read(cnt)) if value ~= 0 then name = name:gsub(".counter$", "") - print(name..": "..value) + print(name..": "..lib.comma_value(value)) end end end From f20229a3f0809026b1736f69a25b9da60e2d8e10 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 12 Aug 2016 19:02:08 +0000 Subject: [PATCH 136/340] Filter counters to print --- src/program/lwaftr/query/README | 5 ++++- src/program/lwaftr/query/query.lua | 31 ++++++++++++++++++++++++------ 2 files changed, 29 insertions(+), 7 deletions(-) diff --git a/src/program/lwaftr/query/README b/src/program/lwaftr/query/README index cfd2b38ab6..6ba0073b33 100644 --- a/src/program/lwaftr/query/README +++ b/src/program/lwaftr/query/README @@ -1,5 +1,5 @@ Usage: - query [OPTIONS] [] + query [OPTIONS] [] [] -h, --help Print usage information. @@ -8,6 +8,9 @@ Display current statistics from lwAftr counters for a running Snabb instance with . If is not supplied and there is only one Snabb instance, "query" will connect to that instance. +If is set, only counters partially matching are +listed. + The values for the counters defined in will be displayed, but only the ones that are not zero. diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua index 69cc79b03c..d985c947d9 100644 --- a/src/program/lwaftr/query/query.lua +++ b/src/program/lwaftr/query/query.lua @@ -21,11 +21,11 @@ function parse_args (raw_args) local handlers = {} function handlers.h() show_usage(0) end local args = lib.dogetopt(raw_args, handlers, "h", { help="h" }) - if #args > 1 then show_usage(1) end - return args[1] + if #args > 2 then show_usage(1) end + return args end -function print_counters (tree) +function print_counters (tree, filter) local cnt, cnt_path, value print("lwAFTR operational counters (non-zero)") -- Open, read and print whatever counters are in that directory. @@ -36,13 +36,32 @@ function print_counters (tree) value = tonumber(counter.read(cnt)) if value ~= 0 then name = name:gsub(".counter$", "") - print(name..": "..lib.comma_value(value)) + if filter then + if name:match(filter) then + print(name..": "..lib.comma_value(value)) + end + else + print(name..": "..lib.comma_value(value)) + end end end end function run (raw_args) - local target_pid = parse_args(raw_args) + local args = parse_args(raw_args) + + local target_pid, counter_name + if #args == 2 then + target_pid, counter_name = args[1], args[2] + elseif #args == 1 then + local maybe_pid = tonumber(args[1]) + if maybe_pid then + target_pid = args[1] + else + counter_name = args[1] + end + end + local instance_tree = select_snabb_instance(target_pid) - print_counters(instance_tree) + print_counters(instance_tree, counter_name) end From 30a83b2d833cc41fb0d2a1566c57a3720fdbba21 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 15 Aug 2016 11:38:27 +0000 Subject: [PATCH 137/340] Sort counters --- src/program/lwaftr/query/query.lua | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua index d985c947d9..f2ab638c30 100644 --- a/src/program/lwaftr/query/query.lua +++ b/src/program/lwaftr/query/query.lua @@ -30,7 +30,9 @@ function print_counters (tree, filter) print("lwAFTR operational counters (non-zero)") -- Open, read and print whatever counters are in that directory. local counters_path = "/" .. tree .. "/" .. counters_rel_dir - for _, name in ipairs(shm.children(counters_path)) do + local counters = shm.children(counters_path) + table.sort(counters) + for _, name in ipairs(counters) do cnt_path = counters_path .. name cnt = counter.open(cnt_path, 'readonly') value = tonumber(counter.read(cnt)) From c880ee820012719c081b159d6ff6b4c487638400 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 15 Aug 2016 12:08:15 +0000 Subject: [PATCH 138/340] Align counter values --- src/program/lwaftr/query/query.lua | 51 +++++++++++++++++++++++------- 1 file changed, 40 insertions(+), 11 deletions(-) diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua index f2ab638c30..649adc6b70 100644 --- a/src/program/lwaftr/query/query.lua +++ b/src/program/lwaftr/query/query.lua @@ -25,26 +25,55 @@ function parse_args (raw_args) return args end -function print_counters (tree, filter) +local function read_counters (tree, filter) + local ret = {} local cnt, cnt_path, value - print("lwAFTR operational counters (non-zero)") - -- Open, read and print whatever counters are in that directory. + local max_width = 0 local counters_path = "/" .. tree .. "/" .. counters_rel_dir local counters = shm.children(counters_path) - table.sort(counters) for _, name in ipairs(counters) do cnt_path = counters_path .. name cnt = counter.open(cnt_path, 'readonly') value = tonumber(counter.read(cnt)) if value ~= 0 then name = name:gsub(".counter$", "") - if filter then - if name:match(filter) then - print(name..": "..lib.comma_value(value)) - end - else - print(name..": "..lib.comma_value(value)) - end + if #name > max_width then max_width = #name end + ret[name] = value + end + end + return ret, max_width +end + +local function sort (t) + table.sort(t) + return t +end + +local function keys (t) + local ret = {} + for key, _ in pairs(t) do + table.insert(ret, key) + end + return ret +end + +local function skip_counter (name, filter) + return filter and not name:match(filter) +end + +local function print_counter (name, value, max_width) + local nspaces = max_width - #name + print(("%s: %s%s"):format(name, (" "):rep(nspaces), lib.comma_value(value))) +end + +function print_counters (tree, filter) + print("lwAFTR operational counters (non-zero)") + -- Open, read and print whatever counters are in that directory. + local counters, max_width = read_counters(tree, filter) + for _, name in ipairs(sort(keys(counters))) do + if not skip_counter(name, filter) then + local value = counters[name] + print_counter(name, value, max_width) end end end From 6de1d4afd2e16db7bf6d8b98372b8a2040a4d2f6 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 12 Aug 2016 18:33:23 +0000 Subject: [PATCH 139/340] Add option to print out all available counter names --- src/program/lwaftr/query/README | 6 ++++-- src/program/lwaftr/query/query.lua | 19 +++++++++++++------ 2 files changed, 17 insertions(+), 8 deletions(-) diff --git a/src/program/lwaftr/query/README b/src/program/lwaftr/query/README index 6ba0073b33..e4893640b6 100644 --- a/src/program/lwaftr/query/README +++ b/src/program/lwaftr/query/README @@ -1,8 +1,10 @@ Usage: query [OPTIONS] [] [] - -h, --help - Print usage information. +Options: + + -h, --help Print usage information. + -l, --list-all List all available counter names. Display current statistics from lwAftr counters for a running Snabb instance with . If is not supplied and there is only one Snabb instance, diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua index 649adc6b70..acd7e8d423 100644 --- a/src/program/lwaftr/query/query.lua +++ b/src/program/lwaftr/query/query.lua @@ -17,10 +17,22 @@ function show_usage (code) main.exit(code) end +local function sort (t) + table.sort(t) + return t +end + function parse_args (raw_args) local handlers = {} function handlers.h() show_usage(0) end - local args = lib.dogetopt(raw_args, handlers, "h", { help="h" }) + function handlers.l () + for _, name in ipairs(sort(lwaftr.counter_names)) do + print(name) + end + main.exit(0) + end + local args = lib.dogetopt(raw_args, handlers, "hl", + { help="h", ["list-all"]="l" }) if #args > 2 then show_usage(1) end return args end @@ -44,11 +56,6 @@ local function read_counters (tree, filter) return ret, max_width end -local function sort (t) - table.sort(t) - return t -end - local function keys (t) local ret = {} for key, _ in pairs(t) do From 0db5e1995b617029b24947751d6fdd95f66d8696 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Fri, 19 Aug 2016 17:09:16 +0200 Subject: [PATCH 140/340] Hardened IPv6 reassembly Use a fixed amount of memory for reassembling IPv6 fragments, on a ctable. It only allocates once, on initialization, and never frees memory. When the backing table is full, it randomly ejects fragments. Tests include out-of-order reassembly. Bounds checking is done to avoid buffer overflows, regardles of input offsets. This includes a to-memory clone for Igalia's struct packet implementation. This allows IPv6 reassembly to avoid a subtle packet corruption bug on implementations where packet.data is an abstraction rather than a raw buffer. --- src/apps/lwaftr/conf.lua | 4 + src/apps/lwaftr/dump.lua | 6 + src/apps/lwaftr/fragmentv6.lua | 140 +------- src/apps/lwaftr/fragmentv6_hardened.lua | 299 ++++++++++++++++++ src/apps/lwaftr/ipv6_apps.lua | 81 ++--- src/apps/lwaftr/lwaftr.lua | 2 + src/core/packet.lua | 12 +- src/program/lwaftr/setup.lua | 2 +- .../lwaftr/tests/data/big_mtu_no_icmp.conf | 17 + .../data/counters/in-1p-ipv6-out-0p-ipv4.lua | 2 + .../lwaftr/tests/data/no_icmp_maxfrags1.conf | 19 ++ .../tcp-ipv4-2ipv6frags-reassembled-1p.pcap | Bin 0 -> 1534 bytes .../data/tcp-ipv6-2frags-bound-reverse.pcap | Bin 0 -> 1660 bytes .../lwaftr/tests/end-to-end/end-to-end.sh | 18 ++ 14 files changed, 402 insertions(+), 200 deletions(-) create mode 100644 src/apps/lwaftr/fragmentv6_hardened.lua create mode 100644 src/program/lwaftr/tests/data/big_mtu_no_icmp.conf create mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua create mode 100644 src/program/lwaftr/tests/data/no_icmp_maxfrags1.conf create mode 100644 src/program/lwaftr/tests/data/tcp-ipv4-2ipv6frags-reassembled-1p.pcap create mode 100644 src/program/lwaftr/tests/data/tcp-ipv6-2frags-bound-reverse.pcap diff --git a/src/apps/lwaftr/conf.lua b/src/apps/lwaftr/conf.lua index ddc18fc1bc..071aa98081 100644 --- a/src/apps/lwaftr/conf.lua +++ b/src/apps/lwaftr/conf.lua @@ -52,6 +52,8 @@ local lwaftr_conf_spec = { inet_mac=Parser.parse_mac, ipv4_mtu=Parser.parse_mtu, ipv6_mtu=Parser.parse_mtu, + max_fragments_per_reassembly_packet=Parser.parse_positive_number, + max_ipv6_reassembly_packets=Parser.parse_positive_number, next_hop_ipv4_addr=Parser.parse_ipv4, next_hop_ipv6_addr=Parser.parse_ipv6, policy_icmpv4_incoming=Parser.enum_parser(policies), @@ -81,6 +83,8 @@ local lwaftr_conf_spec = { inet_mac=required_at_least_one_of('inet_mac', 'next_hop_ipv4_addr'), ipv4_mtu=default(1460), ipv6_mtu=default(1500), + max_fragments_per_reassembly_packet=default(40), + max_ipv6_reassembly_packets=default(40000), -- Just under a gig of memory next_hop_ipv4_addr = required_at_least_one_of('next_hop_ipv4_addr', 'inet_mac'), next_hop_ipv6_addr = required_at_least_one_of('next_hop_ipv6_addr', 'next_hop6_mac'), policy_icmpv4_incoming=default(policies.ALLOW), diff --git a/src/apps/lwaftr/dump.lua b/src/apps/lwaftr/dump.lua index f85fd60180..83132eedcf 100644 --- a/src/apps/lwaftr/dump.lua +++ b/src/apps/lwaftr/dump.lua @@ -58,6 +58,8 @@ local lwaftr_conf_spec = { inet_mac=Dumper.mac, ipv4_mtu=Dumper.number, ipv6_mtu=Dumper.number, + max_fragments_per_reassembly_packet=Dumper.number, + max_ipv6_reassembly_packets=Dumper.number, next_hop_ipv4_addr=Dumper.ipv4, next_hop_ipv6_addr=Dumper.ipv6, policy_icmpv4_incoming=Dumper.icmp_policy, @@ -178,6 +180,8 @@ function selftest () inet_mac = 68:68:68:68:68:68 ipv4_mtu = 1460 ipv6_mtu = 1500 + max_fragments_per_reassembly_packet = 40 + max_ipv6_reassembly_packets = 10 policy_icmpv4_incoming = ALLOW policy_icmpv6_incoming = ALLOW policy_icmpv4_outgoing = ALLOW @@ -207,6 +211,8 @@ function selftest () ipv6_egress_filter = ip6 ipv6_ingress_filter = ip6 ipv6_mtu = 1500 + max_fragments_per_reassembly_packet = 40 + max_ipv6_reassembly_packets = 10 next_hop6_mac = 44:44:44:44:44:44 policy_icmpv4_incoming = ALLOW policy_icmpv4_outgoing = ALLOW diff --git a/src/apps/lwaftr/fragmentv6.lua b/src/apps/lwaftr/fragmentv6.lua index 56ee61681c..bbbf80e046 100644 --- a/src/apps/lwaftr/fragmentv6.lua +++ b/src/apps/lwaftr/fragmentv6.lua @@ -9,147 +9,10 @@ local ffi = require("ffi") local band, bor, lshift, rshift = bit.band, bit.bor, bit.lshift, bit.rshift local C = ffi.C -local rd16, rd32, wr16, wr32 = lwutil.rd16, lwutil.rd32, lwutil.wr16, lwutil.wr32 +local wr16, wr32 = lwutil.wr16, lwutil.wr32 local htons, htonl = lwutil.htons, lwutil.htonl -local ntohs, ntohl = htons, htonl - -REASSEMBLY_OK = 1 -FRAGMENT_MISSING = 2 -REASSEMBLY_INVALID = 3 - -local dgram - -function is_fragment(pkt, l2_size) - return pkt.data[l2_size + constants.o_ipv6_next_header] == constants.ipv6_frag -end - -function get_frag_id(pkt, l2_size) - local frag_id_start = l2_size + constants.ipv6_fixed_header_size + constants.o_ipv6_frag_id - return ntohl(rd32(pkt.data + frag_id_start)) -end - -local function get_frag_len(pkt, l2_size) - local ipv6_payload_len = l2_size + constants.o_ipv6_payload_len - return ntohs(rd16(pkt.data + ipv6_payload_len)) - constants.ipv6_frag_header_size -end - --- This is the 'M' bit of the IPv6 fragment header, in the --- least significant bit of the 4th byte -local function is_last_fragment(frag, l2_size) - local ipv6_frag_more_offset = l2_size + constants.ipv6_fixed_header_size + 3 - return band(frag.data[ipv6_frag_more_offset], 1) == 0 -end - -local function get_frag_offset(frag, l2_size) - -- Layout: 8 fragment offset bits, 5 fragment offset bits, 2 reserved bits, 'M'ore-frags-expected bit - local ipv6_frag_offset_offset = l2_size + constants.ipv6_fixed_header_size + constants.o_ipv6_frag_offset - local raw_frag_offset = rd16(frag.data + ipv6_frag_offset_offset) - return band(ntohs(raw_frag_offset), 0xfffff8) -end - --- IPv6 reassembly, as per https://tools.ietf.org/html/rfc2460#section-4.5 --- with RFC 5722's recommended exclusion of overlapping packets. - --- This frees the fragments if reassembly is completed successfully --- or known to be invalid, and leaves them alone if fragments --- are still missing. - --- TODO: handle the 60-second timeout, and associated ICMP iff the fragment --- with offset 0 was received --- TODO: handle silently discarding fragments that arrive later if --- an overlapping fragment was detected (keep a list for a few minutes?) --- TODO: send ICMP parameter problem code 0 if needed, as per RFC2460 --- (if the fragment's data isn't a multiple of 8 octets and M=1, or --- if the length of the reassembled packet would exceed 65535 octets) --- TODO: handle packets of > 10240 octets correctly... --- TODO: test every branch of this - -local lwdebug = require("apps.lwaftr.lwdebug") -local function _reassemble_validated(fragments, fragment_offsets, fragment_lengths, l2_size) - local repkt = packet.allocate() - -- The first byte of the fragment header is the next header type - local first_fragment = fragments[1] - local ipv6_next_header = first_fragment.data[l2_size + constants.ipv6_fixed_header_size] - - -- Copy the original headers; this automatically does the right thing in the face of vlans. - local fixed_headers_size = l2_size + constants.ipv6_fixed_header_size - ffi.copy(repkt.data, first_fragment.data, l2_size + constants.ipv6_fixed_header_size) - -- Update the next header; it's not a fragment anymore - repkt.data[l2_size + constants.o_ipv6_next_header] = ipv6_next_header - - local frag_indata_start = l2_size + constants.ipv6_fixed_header_size + constants.ipv6_frag_header_size - local frag_outdata_start = l2_size + constants.ipv6_fixed_header_size - - for i = 1, #fragments do - ffi.copy(repkt.data + frag_outdata_start + fragment_offsets[i], fragments[i].data + frag_indata_start, fragment_lengths[i]) - end - repkt.length = fixed_headers_size + fragment_offsets[#fragments] + fragment_lengths[#fragments] - return REASSEMBLY_OK, repkt -end - -function reassemble(fragments, l2_size) - local function compare_fragment_offsets(pkt1, pkt2) - local ipv6_frag_offset_offset = l2_size + constants.ipv6_fixed_header_size + constants.o_ipv6_frag_offset - return pkt1.data[ipv6_frag_offset_offset] < pkt2.data[ipv6_frag_offset_offset] - end - table.sort(fragments, compare_fragment_offsets) - - local status - local fragment_offsets = {} - local fragment_lengths = {} - local reassembled_size = l2_size + constants.ipv6_fixed_header_size - local err_pkt - local frag_id - if get_frag_offset(fragments[1], l2_size) ~= 0 then - return FRAGMENT_MISSING - else - fragment_offsets[1] = 0 - fragment_lengths[1] = get_frag_len(fragments[1], l2_size) - frag_id = get_frag_id(fragments[1], l2_size) - end - for i = 2, #fragments do - local frag_size = get_frag_offset(fragments[i], l2_size) - fragment_offsets[i] = frag_size - local plen = get_frag_len(fragments[i], l2_size) - fragment_lengths[i] = plen - reassembled_size = reassembled_size + plen - if frag_size % 8 ~= 0 and not is_last_fragment(fragments[i], l2_size) then - -- TODO: send ICMP error code; this is an RFC should - status = REASSEMBLY_INVALID - end - if reassembled_size > constants.ipv6_max_packet_size then - -- TODO: send ICMP error code - status = REASSEMBLY_INVALID - end - if frag_id ~= get_frag_id(fragments[i], l2_size) then - -- This function should never be called with fragment IDs that don't all correspond, but just in case... - status = REASSEMBLY_INVALID - end - - if fragment_offsets[i] ~= fragment_offsets[i - 1] + fragment_lengths[i - 1] then - if fragment_offsets[i] > fragment_offsets[i - 1] + fragment_lengths[i - 1] then - return FRAGMENT_MISSING - else - return REASSEMBLY_INVALID -- this prohibits overlapping fragments - end - end - end - if not is_last_fragment(fragments[#fragments], l2_size) then - return FRAGMENT_MISSING - end - - if status == REASSEMBLY_INVALID then - for i = 1, #fragments do - packet.free(fragments[i]) - end - return REASSEMBLY_INVALID, err_pkt - end - -- It appears that there's a valid and complete set of fragments. - return _reassemble_validated(fragments, fragment_offsets, fragment_lengths, l2_size) -end -- IPv6 fragmentation, as per https://tools.ietf.org/html/rfc5722 - -- TODO: consider security/performance tradeoffs of randomization local internal_frag_id = 0x42424242 local function fresh_frag_id() @@ -180,7 +43,6 @@ function fragment(ipv6_pkt, unfrag_header_size, l2_size, mtu) end l2_mtu = mtu + l2_size - local ipv6_payload_len = l2_size + constants.o_ipv6_payload_len local more = 1 -- TODO: carefully evaluate the boundary conditions here local new_header_size = unfrag_header_size + constants.ipv6_frag_header_size diff --git a/src/apps/lwaftr/fragmentv6_hardened.lua b/src/apps/lwaftr/fragmentv6_hardened.lua new file mode 100644 index 0000000000..e90ce914f6 --- /dev/null +++ b/src/apps/lwaftr/fragmentv6_hardened.lua @@ -0,0 +1,299 @@ +module(..., package.seeall) + +local bit = require("bit") +local constants = require("apps.lwaftr.constants") +local ctable = require('lib.ctable') +local ffi = require('ffi') +local lwutil = require("apps.lwaftr.lwutil") +local C = ffi.C +local packet = require("core.packet") + +REASSEMBLY_OK = 1 +FRAGMENT_MISSING = 2 +REASSEMBLY_INVALID = 3 + +-- IPv6 reassembly, as per https://tools.ietf.org/html/rfc2460#section-4.5 +-- with RFC 5722's recommended exclusion of overlapping packets. + +-- Possible TODOs: +-- TODO: handle the 60-second timeout, and associated ICMP iff the fragment +-- with offset 0 was received +-- TODO: handle silently discarding fragments that arrive later if +-- an overlapping fragment was detected (keep a list for a few minutes?) +-- TODO: send ICMP parameter problem code 0 if needed, as per RFC2460 +-- (if the fragment's data isn't a multiple of 8 octets and M=1, or +-- if the length of the reassembled packet would exceed 65535 octets) +-- TODO: handle packets of > 10240 octets correctly... +-- TODO: test every branch of this + +local ehs, ipv6_fixed_header_size, o_ipv6_src_addr, o_ipv6_dst_addr, +o_ipv6_frag_offset, o_ipv6_frag_id, o_ipv6_payload_len, ipv6_frag_header_size, +o_ipv6_next_header = +constants.ethernet_header_size, constants.ipv6_fixed_header_size, +constants.o_ipv6_src_addr, constants.o_ipv6_dst_addr, +constants.o_ipv6_frag_offset, constants.o_ipv6_frag_id, +constants.o_ipv6_payload_len, constants.ipv6_frag_header_size, +constants.o_ipv6_next_header + +local hash_32 = ctable.hash_32 +local rd16, rd32 = lwutil.rd16, lwutil.rd32 +local uint32_ptr_t = ffi.typeof("uint32_t*") +local bxor, band = bit.bxor, bit.band +local packet_payload_size = C.PACKET_PAYLOAD_SIZE + +local ipv6_fragment_key_t = ffi.typeof[[ + struct { + uint8_t src_addr[16]; + uint8_t dst_addr[16]; + uint32_t fragment_id; + } __attribute__((packed)) +]] + +-- The fragment_starts and fragment_ends buffers are big enough for +-- non-malicious input. If a fragment requires more slots, refuse to +-- reassemble it. +local max_frags_per_packet +local ipv6_reassembly_buffer_t +local scratch_rbuf +local scratch_fragkey = ipv6_fragment_key_t() + +ReassembleV6 = {} + +local function get_frag_len(frag) + local ipv6_payload_len = ehs + o_ipv6_payload_len + return C.ntohs(rd16(frag.data + ipv6_payload_len)) - ipv6_frag_header_size +end + +local function get_frag_id(frag) + local o_id = ehs + ipv6_fixed_header_size + o_ipv6_frag_id + return C.ntohl(rd32(frag.data + o_id)) +end + +-- The least significant three bits are other information, but the +-- offset is expressed in 8-octet units, so just mask them off. +local function get_frag_start(frag) + local o_fstart = ehs + ipv6_fixed_header_size + o_ipv6_frag_offset + local raw_start = C.ntohs(rd16(frag.data + o_fstart)) + local start = band(raw_start, 0xfff8) + return start +end + +-- This is the 'M' bit of the IPv6 fragment header, in the +-- least significant bit of the 4th byte +local function is_last_fragment(frag) + local ipv6_frag_more_offset = ehs + ipv6_fixed_header_size + 3 + return band(frag.data[ipv6_frag_more_offset], 1) == 0 +end + +local function get_key(fragment) + local key = scratch_fragkey + local o_src = ehs + o_ipv6_src_addr + local o_dst = ehs + o_ipv6_dst_addr + local o_id = ehs + ipv6_fixed_header_size + o_ipv6_frag_id + ffi.copy(key.src_addr, fragment.data + o_src, 16) + ffi.copy(key.dst_addr, fragment.data + o_dst, 16) + key.fragment_id = C.ntohl(rd32(fragment.data + o_id)) + return key +end + +local function free_reassembly_buf_and_pkt(pkt, frags_table) + local key = get_key(pkt) + frags_table:remove(key, false) + packet.free(pkt) +end + +local function swap(array, i, j) + local tmp = array[j] + array[j] = array[i] + array[i] = tmp +end + +-- This is an insertion sort, and only called on 2+ element arrays +local function sort_array(array, last_index) + for i=0,last_index do + local j = i + while j > 0 and array[j-1] > array[j] do + swap(array, j, j-1) + j = j - 1 + end + end +end + +local function verify_valid_offsets(reassembly_buf) + if reassembly_buf.fragment_starts[0] ~= 0 then + return false + end + for i=1,reassembly_buf.fragment_count-1 do + if reassembly_buf.fragment_starts[i] ~= reassembly_buf.fragment_ends[i-1] then + return false + end + end + return true +end + +local function reassembly_status(reassembly_buf) + if reassembly_buf.final_start == 0 then + return FRAGMENT_MISSING + end + if reassembly_buf.running_length ~= reassembly_buf.reassembly_packet.length then + return FRAGMENT_MISSING + end + if not verify_valid_offsets(reassembly_buf) then + return REASSEMBLY_INVALID + end + return REASSEMBLY_OK +end + +local function attempt_reassembly(frags_table, reassembly_buf, fragment) + local reassembly_pkt = reassembly_buf.reassembly_packet + local frag_id = get_frag_id(fragment) + if frag_id ~= reassembly_buf.fragment_id then -- unreachable + assert(false, "Impossible case reached in v6 reassembly") + return REASSEMBLY_INVALID + end + + local frag_start = get_frag_start(fragment) + local frag_size = get_frag_len(fragment) + local fcount = reassembly_buf.fragment_count + if fcount + 1 > max_frags_per_packet then + -- too many fragments to reassembly this packet, assume malice + free_reassembly_buf_and_pkt(fragment, frags_table) + return REASSEMBLY_INVALID + end + reassembly_buf.fragment_starts[fcount] = frag_start + reassembly_buf.fragment_ends[fcount] = frag_start + frag_size + if reassembly_buf.fragment_starts[fcount] < + reassembly_buf.fragment_starts[fcount - 1] then + sort_array(reassembly_buf.fragment_starts, fcount) + sort_array(reassembly_buf.fragment_ends, fcount) + end + reassembly_buf.fragment_count = fcount + 1 + if is_last_fragment(fragment) then + if reassembly_buf.final_start ~= 0 then + -- There cannot be 2+ final fragments + free_reassembly_buf_and_pkt(fragment, frags_table) + return REASSEMBLY_INVALID + else + reassembly_buf.final_start = frag_start + end + end + + -- This is a massive layering violation. :/ + local skip_headers = reassembly_buf.reassembly_base + local dst_offset = skip_headers + frag_start + local last_ok = packet_payload_size - reassembly_pkt.headroom + if dst_offset + frag_size > last_ok then + -- Prevent a buffer overflow. The relevant RFC allows hosts to silently discard + -- reassemblies above a certain rather small size, smaller than this. + return REASSEMBLY_INVALID + end + ffi.copy(reassembly_pkt.data + dst_offset, + fragment.data + skip_headers + ipv6_frag_header_size, + frag_size) + local max_data_offset = skip_headers + frag_start + frag_size + reassembly_pkt.length = math.max(reassembly_pkt.length, max_data_offset) + reassembly_buf.running_length = reassembly_buf.running_length + frag_size + + local restatus = reassembly_status(reassembly_buf) + if restatus == REASSEMBLY_OK then + local reassembled_packet = packet.clone(reassembly_buf.reassembly_packet) + free_reassembly_buf_and_pkt(fragment, frags_table) + return REASSEMBLY_OK, reassembled_packet + else + packet.free(fragment) + return restatus + end +end + +local function packet_to_reassembly_buffer(pkt) + local reassembly_buf = scratch_rbuf + ffi.C.memset(reassembly_buf, 0, ffi.sizeof(ipv6_reassembly_buffer_t)) + reassembly_buf.fragment_id = get_frag_id(pkt) + reassembly_buf.reassembly_base = ehs + ipv6_fixed_header_size + + local tmplen = pkt.length + pkt.length = ehs + ipv6_fixed_header_size + local repkt = reassembly_buf.reassembly_packet + packet.clone_to_memory(repkt, pkt) + reassembly_buf.running_length = pkt.length + + pkt.length = tmplen + --Take the next header information from the fragment + local next_header_base_offset = ehs + o_ipv6_next_header + local next_header_frag_offset = ehs + ipv6_fixed_header_size -- +0 + repkt.data[next_header_base_offset] = pkt.data[next_header_frag_offset] + + return reassembly_buf +end + +-- The key is 288 bytes: source IPv6 address, destination IPv6 address, and +-- the identification field from the IPv6 fragmentation header. +local function hash_ipv6(key) + local hash = 0 + local to_hash = ffi.cast(uint32_ptr_t, key) + for i=0,8 do + local current = to_hash[i] + hash = hash_32(bxor(hash, hash_32(current))) + end + return hash +end + +function initialize_frag_table(max_fragmented_packets, max_pkt_frag) + -- Initialize module-scoped variables + max_frags_per_packet = max_pkt_frag + ipv6_reassembly_buffer_t = ffi.typeof([[ + struct { + uint16_t fragment_starts[$]; + uint16_t fragment_ends[$]; + uint16_t fragment_count; + uint16_t final_start; + uint16_t reassembly_base; + uint32_t fragment_id; + uint32_t running_length; + struct packet reassembly_packet; + } __attribute((packed))]], + max_frags_per_packet, max_frags_per_packet) + scratch_rbuf = ipv6_reassembly_buffer_t() + + local max_occupy = 0.9 + local params = { + key_type = ffi.typeof(ipv6_fragment_key_t), + value_type = ffi.typeof(ipv6_reassembly_buffer_t), + hash_fn = hash_ipv6, + initial_size = math.ceil(max_fragmented_packets / max_occupy), + max_occupancy_rate = max_occupy + } + return ctable.new(params) +end + +function cache_fragment(frags_table, fragment) + local key = get_key(fragment) + local ptr = frags_table:lookup_ptr(key) + if not ptr then + local reassembly_buf = packet_to_reassembly_buffer(fragment) + frags_table:add_with_random_ejection(key, reassembly_buf, false) + ptr = frags_table:lookup_ptr(key) + end + local s,p = attempt_reassembly(frags_table, ptr.value, fragment) + return s, p +end + +function selftest() + local rbuf1 = ffi.new(ipv6_reassembly_buffer_t) + local rbuf2 = ffi.new(ipv6_reassembly_buffer_t) + rbuf1.fragment_starts[0] = 10 + rbuf1.fragment_starts[1] = 100 + rbuf2.fragment_starts[0] = 100 + rbuf2.fragment_starts[1] = 10 + sort_array(rbuf1.fragment_starts, 1) + sort_array(rbuf2.fragment_starts, 1) + assert(0 == C.memcmp(rbuf1.fragment_starts, rbuf2.fragment_starts, 4)) + + local rbuf3 = ffi.new(ipv6_reassembly_buffer_t) + rbuf3.fragment_starts[0] = 5 + rbuf3.fragment_starts[1] = 10 + rbuf3.fragment_starts[2] = 100 + rbuf1.fragment_starts[2] = 5 + sort_array(rbuf1.fragment_starts, 2) + assert(0 == C.memcmp(rbuf1.fragment_starts, rbuf3.fragment_starts, 6)) +end diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 6f70bf14eb..48e9be3ed6 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -2,6 +2,7 @@ module(..., package.seeall) local constants = require("apps.lwaftr.constants") local fragmentv6 = require("apps.lwaftr.fragmentv6") +local fragv6_h = require("apps.lwaftr.fragmentv6_hardened") local ndp = require("apps.lwaftr.ndp") local lwutil = require("apps.lwaftr.lwutil") local icmp = require("apps.lwaftr.icmp") @@ -14,9 +15,10 @@ local bit = require("bit") local ffi = require("ffi") local C = ffi.C + + local receive, transmit = link.receive, link.transmit local rd16, wr16, htons = lwutil.rd16, lwutil.wr16, lwutil.htons -local is_fragment = fragmentv6.is_fragment local ipv6_fixed_header_size = constants.ipv6_fixed_header_size local n_ethertype_ipv6 = constants.n_ethertype_ipv6 @@ -25,89 +27,52 @@ local o_ipv6_dst_addr = constants.o_ipv6_dst_addr local proto_icmpv6 = constants.proto_icmpv6 local ethernet_header_size = constants.ethernet_header_size +local o_ethernet_ethertype = constants.o_ethernet_ethertype local o_icmpv6_header = ethernet_header_size + ipv6_fixed_header_size local o_icmpv6_msg_type = o_icmpv6_header + constants.o_icmpv6_msg_type local o_icmpv6_checksum = o_icmpv6_header + constants.o_icmpv6_checksum local icmpv6_echo_request = constants.icmpv6_echo_request local icmpv6_echo_reply = constants.icmpv6_echo_reply -Reassembler = {} +ReassembleV6 = {} Fragmenter = {} NDP = {} ICMPEcho = {} -function Reassembler:new(conf) - local o = setmetatable({}, {__index=Reassembler}) +function ReassembleV6:new(conf) + local o = setmetatable({}, {__index = ReassembleV6}) o.conf = conf - - if conf.vlan_tagging then - o.l2_size = constants.ethernet_header_size + 4 - o.ethertype_offset = constants.o_ethernet_ethertype + 4 - else - o.l2_size = constants.ethernet_header_size - o.ethertype_offset = constants.o_ethernet_ethertype - end - o.fragment_cache = {} + o.ctab = fragv6_h.initialize_frag_table(conf.max_ipv6_reassembly_packets, + conf.max_fragments_per_reassembly_packet) return o end -local function get_ipv6_src_ip(pkt, l2_size) - local ipv6_src = l2_size + o_ipv6_src_addr - return ffi.string(pkt.data + ipv6_src, 16) +function ReassembleV6:cache_fragment(fragment) + return fragv6_h.cache_fragment(self.ctab, fragment) end -local function get_ipv6_dst_ip(pkt, l2_size) - local ipv6_dst = l2_size + o_ipv6_dst_addr - return ffi.string(pkt.data + ipv6_dst, 16) +local function is_ipv6(pkt) + return rd16(pkt.data + o_ethernet_ethertype) == n_ethertype_ipv6 end -function Reassembler:key_frag(frag) - local l2_size = self.l2_size - local frag_id = fragmentv6.get_frag_id(frag, l2_size) - local src_ip = get_ipv6_src_ip(frag, l2_size) - local dst_ip = get_ipv6_dst_ip(frag, l2_size) - return frag_id .. '|' .. src_ip .. dst_ip +local function is_fragment(pkt) + return pkt.data[ethernet_header_size + constants.o_ipv6_next_header] == + constants.ipv6_frag end -function Reassembler:cache_fragment(frag) - local cache = self.fragment_cache - local key = self:key_frag(frag) - cache[key] = cache[key] or {} - table.insert(cache[key], frag) - return cache[key] -end - -function Reassembler:clean_fragment_cache(frags) - local key = self:key_frag(frags[1]) - self.fragment_cache[key] = nil - for _, p in ipairs(frags) do - packet.free(p) - end -end - -local function is_ipv6(pkt, ethertype_offset) - return rd16(pkt.data + ethertype_offset) == n_ethertype_ipv6 -end - -function Reassembler:push () +function ReassembleV6:push () local input, output = self.input.input, self.output.output local errors = self.output.errors - local l2_size = self.l2_size - local ethertype_offset = self.ethertype_offset - for _=1,link.nreadable(input) do local pkt = receive(input) - if is_ipv6(pkt, ethertype_offset) and is_fragment(pkt, l2_size) then - local frags = self:cache_fragment(pkt) - local status, maybe_pkt = fragmentv6.reassemble(frags, l2_size) - if status == fragmentv6.REASSEMBLY_OK then - self:clean_fragment_cache(frags) + if is_ipv6(pkt) and is_fragment(pkt) then + local status, maybe_pkt = self:cache_fragment(pkt) + if status == fragv6_h.REASSEMBLY_OK then transmit(output, maybe_pkt) - elseif status == fragmentv6.FRAGMENT_MISSING then - -- Nothing useful to be done yet - elseif status == fragmentv6.REASSEMBLY_INVALID then - self:clean_fragment_cache(frags) + elseif status == fragv6_h.FRAGMENT_MISSING then + -- Nothing useful to be done yet, continue + elseif status == fragv6_h.REASSEMBLY_INVALID then if maybe_pkt then -- This is an ICMP packet transmit(errors, maybe_pkt) end diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 8b21171484..c29b7d7df0 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -381,6 +381,8 @@ function LwAftr:new(conf) o.inet_mac = conf.inet_mac or ethernet:pton("00:00:00:00:00:00") o.ipv4_mtu = conf.ipv4_mtu o.ipv6_mtu = conf.ipv6_mtu + o.max_fragments_per_reassembly_packet = conf.max_fragments_per_reassembly_packet + o.max_ipv6_reassembly_packets = conf.max_ipv6_reassembly_packets o.policy_icmpv4_incoming = conf.policy_icmpv4_incoming o.policy_icmpv4_outgoing = conf.policy_icmpv4_outgoing o.policy_icmpv6_incoming = conf.policy_icmpv6_incoming diff --git a/src/core/packet.lua b/src/core/packet.lua index 052af9bb61..54c0b5cbdd 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -76,11 +76,19 @@ function new_packet () return p end +-- Clone srcp into pre-allocated memory for dstp, in a way compatible +-- with the current definition of struct packet. +function clone_to_memory(dstp, srcp) + dstp.length = srcp.length + dstp.headroom = srcp.headroom + dstp.data = dstp.data_ + dstp.headroom + ffi.copy(dstp.data, srcp.data, srcp.length) +end + -- Create an exact copy of a packet. function clone (p) local p2 = allocate() - ffi.copy(p2.data, p.data, p.length) - p2.length = p.length + clone_to_memory(p2, p) return p2 end diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index 7c1a71e44a..9627ae76ba 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -21,7 +21,7 @@ function lwaftr_app(c, conf) local function prepend(t, elem) table.insert(t, 1, elem) end config.app(c, "reassemblerv4", ipv4_apps.Reassembler, {}) - config.app(c, "reassemblerv6", ipv6_apps.Reassembler, {}) + config.app(c, "reassemblerv6", ipv6_apps.ReassembleV6, conf) config.app(c, "icmpechov4", ipv4_apps.ICMPEcho, { address = conf.aftr_ipv4_ip }) config.app(c, 'lwaftr', lwaftr.LwAftr, conf) config.app(c, "icmpechov6", ipv6_apps.ICMPEcho, { address = conf.aftr_ipv6_ip }) diff --git a/src/program/lwaftr/tests/data/big_mtu_no_icmp.conf b/src/program/lwaftr/tests/data/big_mtu_no_icmp.conf new file mode 100644 index 0000000000..ef4cc3fa4c --- /dev/null +++ b/src/program/lwaftr/tests/data/big_mtu_no_icmp.conf @@ -0,0 +1,17 @@ +aftr_ipv4_ip = 10.10.10.10, +aftr_ipv6_ip = 8:9:a:b:c:d:e:f, +aftr_mac_b4_side = 22:22:22:22:22:22, +aftr_mac_inet_side = 12:12:12:12:12:12, +binding_table = binding-table.txt, +hairpinning = true, +icmpv6_rate_limiter_n_packets=6e5, +icmpv6_rate_limiter_n_seconds=2, +inet_mac = 68:68:68:68:68:68, +ipv4_mtu = 1960, +ipv6_mtu = 2000, +next_hop6_mac = 44:44:44:44:44:44, +policy_icmpv4_incoming = DROP, +policy_icmpv6_incoming = DROP, +policy_icmpv4_outgoing = DROP, +policy_icmpv6_outgoing = DROP, +vlan_tagging = false diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua new file mode 100644 index 0000000000..97aeaddb96 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua @@ -0,0 +1,2 @@ +return { +} diff --git a/src/program/lwaftr/tests/data/no_icmp_maxfrags1.conf b/src/program/lwaftr/tests/data/no_icmp_maxfrags1.conf new file mode 100644 index 0000000000..3127520f56 --- /dev/null +++ b/src/program/lwaftr/tests/data/no_icmp_maxfrags1.conf @@ -0,0 +1,19 @@ +aftr_ipv4_ip = 10.10.10.10, +aftr_ipv6_ip = 8:9:a:b:c:d:e:f, +aftr_mac_b4_side = 22:22:22:22:22:22, +aftr_mac_inet_side = 12:12:12:12:12:12, +binding_table = binding-table.txt, +hairpinning = true, +icmpv6_rate_limiter_n_packets=6e5, +icmpv6_rate_limiter_n_seconds=2, +inet_mac = 68:68:68:68:68:68, +ipv4_mtu = 1460, +ipv6_mtu = 1500, +max_fragments_per_reassembly_packet = 1, +max_ipv6_reassembly_packets = 10, +next_hop6_mac = 44:44:44:44:44:44, +policy_icmpv4_incoming = DROP, +policy_icmpv6_incoming = DROP, +policy_icmpv4_outgoing = DROP, +policy_icmpv6_outgoing = DROP, +vlan_tagging = false diff --git a/src/program/lwaftr/tests/data/tcp-ipv4-2ipv6frags-reassembled-1p.pcap b/src/program/lwaftr/tests/data/tcp-ipv4-2ipv6frags-reassembled-1p.pcap new file mode 100644 index 0000000000000000000000000000000000000000..b96459d75db83daceef5f429f7a8ff72a95304d5 GIT binary patch literal 1534 zcmca|c+)~A1{MYw`2U}Qff2?5($`oaI0FoXz<`6nm4WpHNSQsG#>Y+m(_S(%F|%;| o;p%~D3}8}VP+P;mU|?uuY+`C=K1z>K(a4~Q*@G$T)@G Date: Mon, 22 Aug 2016 06:54:43 +0200 Subject: [PATCH 141/340] Addressed nits --- src/apps/lwaftr/conf.lua | 4 ++++ src/apps/lwaftr/fragmentv6_hardened.lua | 18 +++++++++--------- 2 files changed, 13 insertions(+), 9 deletions(-) diff --git a/src/apps/lwaftr/conf.lua b/src/apps/lwaftr/conf.lua index 071aa98081..d67f3cd87b 100644 --- a/src/apps/lwaftr/conf.lua +++ b/src/apps/lwaftr/conf.lua @@ -140,6 +140,8 @@ function selftest() inet_mac = 68:68:68:68:68:68 ipv4_mtu = 1460 ipv6_mtu = 1500 + max_fragments_per_reassembly_packet = 20 + max_ipv6_reassembly_packets = 50 policy_icmpv4_incoming = ALLOW policy_icmpv6_incoming = ALLOW policy_icmpv4_outgoing = ALLOW @@ -163,6 +165,8 @@ function selftest() inet_mac = ethernet:pton("68:68:68:68:68:68"), ipv4_mtu = 1460, ipv6_mtu = 1500, + max_fragments_per_reassembly_packet = 20, + max_ipv6_reassembly_packets = 50, policy_icmpv4_incoming = policies['ALLOW'], policy_icmpv6_incoming = policies['ALLOW'], policy_icmpv4_outgoing = policies['ALLOW'], diff --git a/src/apps/lwaftr/fragmentv6_hardened.lua b/src/apps/lwaftr/fragmentv6_hardened.lua index e90ce914f6..8b25f3026f 100644 --- a/src/apps/lwaftr/fragmentv6_hardened.lua +++ b/src/apps/lwaftr/fragmentv6_hardened.lua @@ -7,6 +7,7 @@ local ffi = require('ffi') local lwutil = require("apps.lwaftr.lwutil") local C = ffi.C local packet = require("core.packet") +local lib = require("core.lib") REASSEMBLY_OK = 1 FRAGMENT_MISSING = 2 @@ -40,6 +41,7 @@ local rd16, rd32 = lwutil.rd16, lwutil.rd32 local uint32_ptr_t = ffi.typeof("uint32_t*") local bxor, band = bit.bxor, bit.band local packet_payload_size = C.PACKET_PAYLOAD_SIZE +local ntohs, ntohl = lib.ntohs, lib.ntohl local ipv6_fragment_key_t = ffi.typeof[[ struct { @@ -61,19 +63,19 @@ ReassembleV6 = {} local function get_frag_len(frag) local ipv6_payload_len = ehs + o_ipv6_payload_len - return C.ntohs(rd16(frag.data + ipv6_payload_len)) - ipv6_frag_header_size + return ntohs(rd16(frag.data + ipv6_payload_len)) - ipv6_frag_header_size end local function get_frag_id(frag) local o_id = ehs + ipv6_fixed_header_size + o_ipv6_frag_id - return C.ntohl(rd32(frag.data + o_id)) + return ntohl(rd32(frag.data + o_id)) end -- The least significant three bits are other information, but the -- offset is expressed in 8-octet units, so just mask them off. local function get_frag_start(frag) local o_fstart = ehs + ipv6_fixed_header_size + o_ipv6_frag_offset - local raw_start = C.ntohs(rd16(frag.data + o_fstart)) + local raw_start = ntohs(rd16(frag.data + o_fstart)) local start = band(raw_start, 0xfff8) return start end @@ -92,7 +94,7 @@ local function get_key(fragment) local o_id = ehs + ipv6_fixed_header_size + o_ipv6_frag_id ffi.copy(key.src_addr, fragment.data + o_src, 16) ffi.copy(key.dst_addr, fragment.data + o_dst, 16) - key.fragment_id = C.ntohl(rd32(fragment.data + o_id)) + key.fragment_id = ntohl(rd32(fragment.data + o_id)) return key end @@ -148,8 +150,7 @@ local function attempt_reassembly(frags_table, reassembly_buf, fragment) local reassembly_pkt = reassembly_buf.reassembly_packet local frag_id = get_frag_id(fragment) if frag_id ~= reassembly_buf.fragment_id then -- unreachable - assert(false, "Impossible case reached in v6 reassembly") - return REASSEMBLY_INVALID + error(false, "Impossible case reached in v6 reassembly") --REASSEMBLY_INVALID end local frag_start = get_frag_start(fragment) @@ -207,7 +208,7 @@ end local function packet_to_reassembly_buffer(pkt) local reassembly_buf = scratch_rbuf - ffi.C.memset(reassembly_buf, 0, ffi.sizeof(ipv6_reassembly_buffer_t)) + C.memset(reassembly_buf, 0, ffi.sizeof(ipv6_reassembly_buffer_t)) reassembly_buf.fragment_id = get_frag_id(pkt) reassembly_buf.reassembly_base = ehs + ipv6_fixed_header_size @@ -274,8 +275,7 @@ function cache_fragment(frags_table, fragment) frags_table:add_with_random_ejection(key, reassembly_buf, false) ptr = frags_table:lookup_ptr(key) end - local s,p = attempt_reassembly(frags_table, ptr.value, fragment) - return s, p + return attempt_reassembly(frags_table, ptr.value, fragment) end function selftest() From e67046b8861a0211fe2576365e80e6e251ca6351 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Mon, 22 Aug 2016 07:12:33 +0200 Subject: [PATCH 142/340] Normalize the vlan and non-vlan test suite This requires new tests to only be added to one file, rather than two, helping maintainability. --- src/program/lwaftr/tests/data/add-vlan.sh | 6 +- .../data/tcp-afteraftr-ipv6-wrongiface.pcap | Bin 0 -> 146 bytes .../data/tcp-frominet-bound-wrongiface.pcap | Bin 0 -> 106 bytes .../tests/data/vlan/big_mtu_no_icmp.conf | 19 + .../lwaftr/tests/data/vlan/binding-table.txt | 1 + .../tests/data/vlan/decap-ipv4-vlan.pcap | Bin 0 -> 110 bytes .../icmp_on_fail.conf} | 0 .../no_hairpin.conf} | 0 .../{no_icmp_vlan.conf => vlan/no_icmp.conf} | 0 .../tests/data/vlan/no_icmp_maxfrags1.conf | 21 + .../vlan/no_icmp_with_filters_accept.conf | 23 + .../data/vlan/no_icmp_with_filters_drop.conf | 23 + .../tests/data/vlan/recap-ipv6-vlan.pcap | Bin 0 -> 150 bytes .../small_ipv4_mtu_icmp.conf} | 0 .../small_ipv6_mtu_no_icmp.conf} | 0 .../vlan/small_ipv6_mtu_no_icmp_allow.conf | 19 + .../data/vlan/tcp-afteraftr-ipv6-vlan.pcap | Bin 0 -> 150 bytes .../vlan/tcp-afteraftr-ipv6-wrongiface.pcap | Bin 0 -> 150 bytes .../tests/data/vlan/tcp-fromb4-ipv6-vlan.pcap | Bin 0 -> 150 bytes .../data/vlan/tcp-fromb4-tob4-ipv6-vlan.pcap | Bin 0 -> 150 bytes .../data/vlan/tcp-frominet-bound-vlan.pcap | Bin 0 -> 110 bytes .../vlan/tcp-frominet-bound-wrongiface.pcap | Bin 0 -> 110 bytes .../tcp-ipv4-2ipv6frags-reassembled-1p.pcap | Bin 0 -> 1538 bytes .../vlan/tcp-ipv6-2frags-bound-reverse.pcap | Bin 0 -> 1668 bytes .../tunnel_icmp.conf} | 0 .../tunnel_icmp_without_mac4.conf} | 0 .../tunnel_icmp_withoutmac.conf} | 0 src/program/lwaftr/tests/data/vlan/vlan.conf | 19 + .../tests/end-to-end/core-end-to-end.sh | 554 +++++++++++++++++ .../tests/end-to-end/end-to-end-vlan.sh | 521 +--------------- .../lwaftr/tests/end-to-end/end-to-end.sh | 564 +----------------- 31 files changed, 695 insertions(+), 1075 deletions(-) create mode 100644 src/program/lwaftr/tests/data/tcp-afteraftr-ipv6-wrongiface.pcap create mode 100644 src/program/lwaftr/tests/data/tcp-frominet-bound-wrongiface.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/big_mtu_no_icmp.conf create mode 120000 src/program/lwaftr/tests/data/vlan/binding-table.txt create mode 100644 src/program/lwaftr/tests/data/vlan/decap-ipv4-vlan.pcap rename src/program/lwaftr/tests/data/{icmp_on_fail_vlan.conf => vlan/icmp_on_fail.conf} (100%) rename src/program/lwaftr/tests/data/{no_hairpin_vlan.conf => vlan/no_hairpin.conf} (100%) rename src/program/lwaftr/tests/data/{no_icmp_vlan.conf => vlan/no_icmp.conf} (100%) create mode 100644 src/program/lwaftr/tests/data/vlan/no_icmp_maxfrags1.conf create mode 100644 src/program/lwaftr/tests/data/vlan/no_icmp_with_filters_accept.conf create mode 100644 src/program/lwaftr/tests/data/vlan/no_icmp_with_filters_drop.conf create mode 100644 src/program/lwaftr/tests/data/vlan/recap-ipv6-vlan.pcap rename src/program/lwaftr/tests/data/{small_ipv4_mtu_icmp_vlan.conf => vlan/small_ipv4_mtu_icmp.conf} (100%) rename src/program/lwaftr/tests/data/{small_ipv6_mtu_no_icmp_vlan.conf => vlan/small_ipv6_mtu_no_icmp.conf} (100%) create mode 100644 src/program/lwaftr/tests/data/vlan/small_ipv6_mtu_no_icmp_allow.conf create mode 100644 src/program/lwaftr/tests/data/vlan/tcp-afteraftr-ipv6-vlan.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/tcp-afteraftr-ipv6-wrongiface.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/tcp-fromb4-ipv6-vlan.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/tcp-fromb4-tob4-ipv6-vlan.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/tcp-frominet-bound-vlan.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/tcp-frominet-bound-wrongiface.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/tcp-ipv4-2ipv6frags-reassembled-1p.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/tcp-ipv6-2frags-bound-reverse.pcap rename src/program/lwaftr/tests/data/{tunnel_icmp_vlan.conf => vlan/tunnel_icmp.conf} (100%) rename src/program/lwaftr/tests/data/{tunnel_icmp_without_mac4_vlan.conf => vlan/tunnel_icmp_without_mac4.conf} (100%) rename src/program/lwaftr/tests/data/{tunnel_icmp_withoutmac_vlan.conf => vlan/tunnel_icmp_withoutmac.conf} (100%) create mode 100644 src/program/lwaftr/tests/data/vlan/vlan.conf create mode 100755 src/program/lwaftr/tests/end-to-end/core-end-to-end.sh diff --git a/src/program/lwaftr/tests/data/add-vlan.sh b/src/program/lwaftr/tests/data/add-vlan.sh index 6b3b1d33ff..ff50a87ead 100755 --- a/src/program/lwaftr/tests/data/add-vlan.sh +++ b/src/program/lwaftr/tests/data/add-vlan.sh @@ -26,6 +26,7 @@ V4=( incoming-icmpv4-echo-request.pcap response-ipv4-icmp31-inet.pcap response-ipv4-icmp34-inet.pcap + tcp-afteraftr-ipv6-wrongiface.pcap tcp-frominet-bound-2734.pcap tcp-frominet-bound-ttl1.pcap tcp-frominet-bound.pcap @@ -35,6 +36,7 @@ V4=( tcp-frominet-trafficclass.pcap tcp-frominet-unbound.pcap tcp-ipv4-2ipv6frags-reassembled.pcap + tcp-ipv4-2ipv6frags-reassembled-1p.pcap tcp-ipv4-3frags-bound.pcap tcp-ipv4-toinet-2fragments.pcap tcp-ipv4-toinet-3fragments.pcap @@ -67,11 +69,9 @@ V6=( ndp_getna_compound.pcap ndp_incoming_ns_nonlwaftr.pcap ndp_incoming_ns.pcap - ndp_incoming_ns_secondary.pcap ndp_ns_and_recap.pcap ndp_outgoing_ns.pcap ndp_outgoing_solicited_na.pcap - ndp_outgoing_solicited_na_secondary.pcap ndp_without_dst_eth_compound.pcap recap-customBR-IPs-ipv6.pcap recap-fromcustom-BRIP-ipv6.pcap @@ -83,6 +83,7 @@ V6=( tcp-afteraftr-ipv6-reassembled.pcap tcp-afteraftr-ipv6-trafficclass.pcap tcp-afteraftr-ipv6.pcap + tcp-frominet-bound-wrongiface.pcap tcp-fromb4-customBRIP-tob4-ipv6.pcap tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap tcp-fromb4-ipv6-bound-port-unbound.pcap @@ -91,6 +92,7 @@ V6=( tcp-fromb4-tob4-customBRIP-ipv6.pcap tcp-fromb4-tob4-ipv6.pcap tcp-ipv6-2frags-bound.pcap + tcp-ipv6-2frags-bound-reverse.pcap tcp-fromb4-tob4-ipv6-ttl-1.pcap tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap tcp-ipv6-fromb4-toinet-1046.pcap diff --git a/src/program/lwaftr/tests/data/tcp-afteraftr-ipv6-wrongiface.pcap b/src/program/lwaftr/tests/data/tcp-afteraftr-ipv6-wrongiface.pcap new file mode 100644 index 0000000000000000000000000000000000000000..28c756a8bcab03b65807729688ff61d07ff20caf GIT binary patch literal 146 zcmca|c+)~A1{MYw`2U}Qff2?5(pgaK0tQN8&~`Tgq{4*dKLZB?Cj%D)HviHF?HRXSdiT14GaMa>kOmz2Tgm{AiyAhgpGlLk&%OIiMLAfkG($^0|4VsAj<#% literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/data/vlan/big_mtu_no_icmp.conf b/src/program/lwaftr/tests/data/vlan/big_mtu_no_icmp.conf new file mode 100644 index 0000000000..c1775cda23 --- /dev/null +++ b/src/program/lwaftr/tests/data/vlan/big_mtu_no_icmp.conf @@ -0,0 +1,19 @@ +aftr_ipv4_ip = 10.10.10.10, +aftr_ipv6_ip = 8:9:a:b:c:d:e:f, +aftr_mac_b4_side = 22:22:22:22:22:22, +aftr_mac_inet_side = 12:12:12:12:12:12, +binding_table = binding-table.txt, +hairpinning = true, +icmpv6_rate_limiter_n_packets=6e5, +icmpv6_rate_limiter_n_seconds=2, +inet_mac = 68:68:68:68:68:68, +ipv4_mtu = 1960, +ipv6_mtu = 2000, +next_hop6_mac = 44:44:44:44:44:44, +policy_icmpv4_incoming = DROP, +policy_icmpv6_incoming = DROP, +policy_icmpv4_outgoing = DROP, +policy_icmpv6_outgoing = DROP, +v4_vlan_tag = 1092, # 0x444 +v6_vlan_tag = 1638, # 0x666 +vlan_tagging = true diff --git a/src/program/lwaftr/tests/data/vlan/binding-table.txt b/src/program/lwaftr/tests/data/vlan/binding-table.txt new file mode 120000 index 0000000000..3ceaa46b21 --- /dev/null +++ b/src/program/lwaftr/tests/data/vlan/binding-table.txt @@ -0,0 +1 @@ +../binding-table.txt \ No newline at end of file diff --git a/src/program/lwaftr/tests/data/vlan/decap-ipv4-vlan.pcap b/src/program/lwaftr/tests/data/vlan/decap-ipv4-vlan.pcap new file mode 100644 index 0000000000000000000000000000000000000000..3c8564f3cbe9fc038879e300b28ffac52b342343 GIT binary patch literal 110 zcmca|c+)~A1{MYw`2U}Qff2?5(r!?k0R}=~(8$2z!olFmz+fU+?!aKdwvA(x|FoA= o*UgE&yn!J=VVz;r{-9~k8Uz^RkFWtvW8~mk;;oYWWAD$!0Or#iF8}}l literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/data/icmp_on_fail_vlan.conf b/src/program/lwaftr/tests/data/vlan/icmp_on_fail.conf similarity index 100% rename from src/program/lwaftr/tests/data/icmp_on_fail_vlan.conf rename to src/program/lwaftr/tests/data/vlan/icmp_on_fail.conf diff --git a/src/program/lwaftr/tests/data/no_hairpin_vlan.conf b/src/program/lwaftr/tests/data/vlan/no_hairpin.conf similarity index 100% rename from src/program/lwaftr/tests/data/no_hairpin_vlan.conf rename to src/program/lwaftr/tests/data/vlan/no_hairpin.conf diff --git a/src/program/lwaftr/tests/data/no_icmp_vlan.conf b/src/program/lwaftr/tests/data/vlan/no_icmp.conf similarity index 100% rename from src/program/lwaftr/tests/data/no_icmp_vlan.conf rename to src/program/lwaftr/tests/data/vlan/no_icmp.conf diff --git a/src/program/lwaftr/tests/data/vlan/no_icmp_maxfrags1.conf b/src/program/lwaftr/tests/data/vlan/no_icmp_maxfrags1.conf new file mode 100644 index 0000000000..54f4d42bcf --- /dev/null +++ b/src/program/lwaftr/tests/data/vlan/no_icmp_maxfrags1.conf @@ -0,0 +1,21 @@ +aftr_ipv4_ip = 10.10.10.10, +aftr_ipv6_ip = 8:9:a:b:c:d:e:f, +aftr_mac_b4_side = 22:22:22:22:22:22, +aftr_mac_inet_side = 12:12:12:12:12:12, +binding_table = binding-table.txt, +hairpinning = true, +icmpv6_rate_limiter_n_packets=6e5, +icmpv6_rate_limiter_n_seconds=2, +inet_mac = 68:68:68:68:68:68, +ipv4_mtu = 1460, +ipv6_mtu = 1500, +max_fragments_per_reassembly_packet = 1, +max_ipv6_reassembly_packets = 10, +next_hop6_mac = 44:44:44:44:44:44, +policy_icmpv4_incoming = DROP, +policy_icmpv6_incoming = DROP, +policy_icmpv4_outgoing = DROP, +policy_icmpv6_outgoing = DROP, +v4_vlan_tag = 1092, # 0x444 +v6_vlan_tag = 1638, # 0x666 +vlan_tagging = true diff --git a/src/program/lwaftr/tests/data/vlan/no_icmp_with_filters_accept.conf b/src/program/lwaftr/tests/data/vlan/no_icmp_with_filters_accept.conf new file mode 100644 index 0000000000..d9e2f81c7e --- /dev/null +++ b/src/program/lwaftr/tests/data/vlan/no_icmp_with_filters_accept.conf @@ -0,0 +1,23 @@ +aftr_ipv4_ip = 10.10.10.10, +aftr_ipv6_ip = 8:9:a:b:c:d:e:f, +aftr_mac_b4_side = 22:22:22:22:22:22, +aftr_mac_inet_side = 12:12:12:12:12:12, +binding_table = binding-table.txt, +hairpinning = true, +icmpv6_rate_limiter_n_packets=6e5, +icmpv6_rate_limiter_n_seconds=2, +inet_mac = 68:68:68:68:68:68, +ipv4_mtu = 1460, +ipv6_mtu = 1500, +next_hop6_mac = 44:44:44:44:44:44, +policy_icmpv4_incoming = DROP, +policy_icmpv6_incoming = DROP, +policy_icmpv4_outgoing = DROP, +policy_icmpv6_outgoing = DROP, +ipv4_ingress_filter = "ip", +ipv4_egress_filter = "ip", +ipv6_ingress_filter = "ip6", +ipv6_egress_filter = "ip6" +v4_vlan_tag = 1092, # 0x444 +v6_vlan_tag = 1638, # 0x666 +vlan_tagging = true diff --git a/src/program/lwaftr/tests/data/vlan/no_icmp_with_filters_drop.conf b/src/program/lwaftr/tests/data/vlan/no_icmp_with_filters_drop.conf new file mode 100644 index 0000000000..2d496542bc --- /dev/null +++ b/src/program/lwaftr/tests/data/vlan/no_icmp_with_filters_drop.conf @@ -0,0 +1,23 @@ +aftr_ipv4_ip = 10.10.10.10, +aftr_ipv6_ip = 8:9:a:b:c:d:e:f, +aftr_mac_b4_side = 22:22:22:22:22:22, +aftr_mac_inet_side = 12:12:12:12:12:12, +binding_table = binding-table.txt, +hairpinning = true, +icmpv6_rate_limiter_n_packets=6e5, +icmpv6_rate_limiter_n_seconds=2, +inet_mac = 68:68:68:68:68:68, +ipv4_mtu = 1460, +ipv6_mtu = 1500, +next_hop6_mac = 44:44:44:44:44:44, +policy_icmpv4_incoming = DROP, +policy_icmpv6_incoming = DROP, +policy_icmpv4_outgoing = DROP, +policy_icmpv6_outgoing = DROP, +ipv4_ingress_filter = "len < 0", +ipv4_egress_filter = "len < 0", +ipv6_ingress_filter = "len < 0", +ipv6_egress_filter = "len < 0", +v4_vlan_tag = 1092, # 0x444 +v6_vlan_tag = 1638, # 0x666 +vlan_tagging = true diff --git a/src/program/lwaftr/tests/data/vlan/recap-ipv6-vlan.pcap b/src/program/lwaftr/tests/data/vlan/recap-ipv6-vlan.pcap new file mode 100644 index 0000000000000000000000000000000000000000..4158defe1145c09eb350836b2d8863ce9a8e3b7c GIT binary patch literal 150 zcmca|c+)~A1{MYw`2U}Qff2?5(s@wq0tQN8(8$1+)^;}mq{@WlKLZB?Cj%D)Hv5`!^=3qvSF8bdjwhAU8&V7UW>IopD*oBXG}1Y&+66NUhVb%s&>h5dwByxfWkV%sQp3H Zo;3(C$RA+?+RDhmwZvN``N!U$ivehQAHM(q literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/data/vlan/tcp-fromb4-tob4-ipv6-vlan.pcap b/src/program/lwaftr/tests/data/vlan/tcp-fromb4-tob4-ipv6-vlan.pcap new file mode 100644 index 0000000000000000000000000000000000000000..5efac4f03a0c77a302e6931c5890c22ebb107b9d GIT binary patch literal 150 zcmca|c+)~A1{MYw_+QV!zzE|2={zWQ0Rts4Xk=hZYrC5OQf0#OpHZDbkU@w+m_dX= zltGM9gMovAlYxtYn}LUcmw}Ig-xa7zu-t*cf^GiRP5#qf0x`dk2}6LwI>V^_LDQZ! X2r$U!8vt!(@6W{mLZ}{B literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/data/vlan/tcp-frominet-bound-vlan.pcap b/src/program/lwaftr/tests/data/vlan/tcp-frominet-bound-vlan.pcap new file mode 100644 index 0000000000000000000000000000000000000000..6513cd86c9a534d33cb345af5a03f82d8abc592b GIT binary patch literal 110 zcmca|c+)~A1{MYw_+QV!zzF0dME(zM-N?k?24sWqzrUOOr@d^cSi{@z*vP=*!olFm zz+fU+?!aKlwv}V*x;e2R`O6y^0uY+m(_S(% sF|%;|;p%~D4q#GXP+P;mU|?uuY+`C=K1z>*CIKbiwa KOQ6A50s{ct6hW#0 literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/data/tunnel_icmp_vlan.conf b/src/program/lwaftr/tests/data/vlan/tunnel_icmp.conf similarity index 100% rename from src/program/lwaftr/tests/data/tunnel_icmp_vlan.conf rename to src/program/lwaftr/tests/data/vlan/tunnel_icmp.conf diff --git a/src/program/lwaftr/tests/data/tunnel_icmp_without_mac4_vlan.conf b/src/program/lwaftr/tests/data/vlan/tunnel_icmp_without_mac4.conf similarity index 100% rename from src/program/lwaftr/tests/data/tunnel_icmp_without_mac4_vlan.conf rename to src/program/lwaftr/tests/data/vlan/tunnel_icmp_without_mac4.conf diff --git a/src/program/lwaftr/tests/data/tunnel_icmp_withoutmac_vlan.conf b/src/program/lwaftr/tests/data/vlan/tunnel_icmp_withoutmac.conf similarity index 100% rename from src/program/lwaftr/tests/data/tunnel_icmp_withoutmac_vlan.conf rename to src/program/lwaftr/tests/data/vlan/tunnel_icmp_withoutmac.conf diff --git a/src/program/lwaftr/tests/data/vlan/vlan.conf b/src/program/lwaftr/tests/data/vlan/vlan.conf new file mode 100644 index 0000000000..022f574f3b --- /dev/null +++ b/src/program/lwaftr/tests/data/vlan/vlan.conf @@ -0,0 +1,19 @@ +aftr_ipv4_ip = 10.10.10.10, +aftr_ipv6_ip = 8:9:a:b:c:d:e:f, +aftr_mac_b4_side = 22:22:22:22:22:22, +aftr_mac_inet_side = 12:12:12:12:12:12, +binding_table = binding-table.txt, +hairpinning = true, +icmpv6_rate_limiter_n_packets=6e3, +icmpv6_rate_limiter_n_seconds=2, +inet_mac = 68:68:68:68:68:68, +ipv4_mtu = 1460, +ipv6_mtu = 1500, +next_hop6_mac = 44:44:44:44:44:44, +policy_icmpv4_incoming = ALLOW, +policy_icmpv6_incoming = ALLOW, +policy_icmpv4_outgoing = ALLOW, +policy_icmpv6_outgoing = ALLOW, +v4_vlan_tag = 1092, # 0x444 +v6_vlan_tag = 1638, # 0x666 +vlan_tagging = true diff --git a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh new file mode 100755 index 0000000000..d7b8bc5238 --- /dev/null +++ b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh @@ -0,0 +1,554 @@ +#!/usr/bin/env bash + +if [[ $EUID -ne 0 ]]; then + echo "This script must be run as root" 1>&2 + exit 1 +fi + +function quit_with_msg { + echo $1; exit 1 +} + +function scmp { + if ! cmp $1 $2 ; then + ls -l $1 + ls -l $2 + quit_with_msg "$3" + fi +} + +function snabb_run_and_cmp_two_interfaces { + conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6; + endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap"; + rm -f $endoutv4 $endoutv6 + ${SNABB_LWAFTR} check \ + $conf $v4_in $v6_in \ + $endoutv4 $endoutv6 $counters_path || quit_with_msg \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v4_out $endoutv4 \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v6_out $endoutv6 \ + "Failure: ${SNABB_LWAFTR} check $*" + echo "Test passed" +} + +function is_packet_in_wrong_interface_test { + counters_path=$1 + if [[ "$counters_path" == "${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua" || + "$counters_path" == "${COUNTERS}/non-ipv4-traffic-to-ipv4-interface.lua" ]]; then + echo 1 + fi +} + +function snabb_run_and_cmp_on_a_stick { + conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6 + endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap" + # Skip these tests as they won't fail in on-a-stick mode. + if [[ $(is_packet_in_wrong_interface_test $counters_path) ]]; then + echo "Test skipped" + return + fi + rm -f $endoutv4 $endoutv6 + ${SNABB_LWAFTR} check --on-a-stick \ + $conf $v4_in $v6_in \ + $endoutv4 $endoutv6 $counters_path || quit_with_msg \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v4_out $endoutv4 \ + "Failure: ${SNABB_LWAFTR} check $*" + scmp $v6_out $endoutv6 \ + "Failure: ${SNABB_LWAFTR} check $*" + echo "Test passed" +} + +function snabb_run_and_cmp { + if [ -z $6 ]; then + echo "not enough arguments to snabb_run_and_cmp" + exit 1 + fi + snabb_run_and_cmp_two_interfaces $@ + snabb_run_and_cmp_on_a_stick $@ +} + +echo "Testing: from-internet IPv4 packet found in the binding table." +snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ + ${TEST_BASE}/tcp-frominet-bound.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua + +echo "Testing: from-internet IPv4 packet found in the binding table with vlan tag." +snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ + ${TEST_BASE}/tcp-frominet-bound-vlan.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-vlan.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua + +echo "Testing: NDP: incoming NDP Neighbor Solicitation" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/ndp_incoming_ns.pcap \ + ${EMPTY} ${TEST_BASE}/ndp_outgoing_solicited_na.pcap \ + ${COUNTERS}/empty.lua + +echo "Testing: NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/ndp_incoming_ns_nonlwaftr.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua + +echo "Testing: NDP: IPv6 but not eth addr of next IPv6 hop set, do Neighbor Solicitation" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ + ${EMPTY} ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap \ + ${COUNTERS}/empty.lua + +echo "Testing: ARP: incoming ARP request" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${TEST_BASE}/arp_request_recv.pcap ${EMPTY} \ + ${TEST_BASE}/arp_reply_send.pcap ${EMPTY} \ + ${COUNTERS}/empty.lua + +echo "Testing: ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_without_mac4.conf \ + ${EMPTY} ${EMPTY} \ + ${TEST_BASE}/arp_request_send.pcap ${EMPTY} \ + ${COUNTERS}/empty.lua + +# mergecap -F pcap -w ndp_without_dst_eth_compound.pcap tcp-fromb4-ipv6.pcap tcp-fromb4-tob4-ipv6.pcap +# mergecap -F pcap -w ndp_ns_and_recap.pcap recap-ipv6.pcap ndp_outgoing_ns.pcap +echo "Testing: NDP: Without receiving NA, next_hop6_mac not set" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ + ${EMPTY} ${TEST_BASE}/ndp_without_dst_eth_compound.pcap \ + ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_outgoing_ns.pcap \ + ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua + +# mergecap -F pcap -w ndp_getna_compound.pcap tcp-fromb4-ipv6.pcap \ +# ndp_incoming_solicited_na.pcap tcp-fromb4-tob4-ipv6.pcap +# mergecap -F pcap -w ndp_ns_and_recap.pcap ndp_outgoing_ns.pcap recap-ipv6.pcap +echo "Testing: NDP: With receiving NA, next_hop6_mac not initially set" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ + ${EMPTY} ${TEST_BASE}/ndp_getna_compound.pcap \ + ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_ns_and_recap.pcap \ + ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua + +echo "Testing: IPv6 packet, next hop NA, packet, eth addr not set in configuration." +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ + ${EMPTY} ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap \ + ${COUNTERS}/empty.lua + +echo "Testing: from-internet IPv4 fragmented packets found in the binding table." +snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ + ${TEST_BASE}/tcp-ipv4-3frags-bound.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-reassembled.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-2.lua + +echo "Testing: traffic class mapping" +snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ + ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua + +echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." +snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ + ${TEST_BASE}/tcp-frominet-bound-ttl1.pcap ${EMPTY} \ + ${TEST_BASE}/icmpv4-time-expired.pcap ${EMPTY} \ + ${COUNTERS}/tcp-frominet-bound-ttl1.lua + +echo "Testing: from-B4 IPv4 fragmentation (2)" +snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1046.pcap \ + ${TEST_BASE}/tcp-ipv4-toinet-2fragments.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-1.lua + +echo "Testing: from-B4 IPv4 fragmentation (3)" +snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1500.pcap \ + ${TEST_BASE}/tcp-ipv4-toinet-3fragments.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-2.lua + +echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (2)." +snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ + ${TEST_BASE}/tcp-frominet-bound1494.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-2frags.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-3.lua + +echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (3)." +snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ + ${TEST_BASE}/tcp-frominet-bound-2734.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-3frags.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-4.lua + +echo "Testing: IPv6 reassembly (to one packet)." +snabb_run_and_cmp ${TEST_BASE}/big_mtu_no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ + ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled-1p.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua + +echo "Testing: IPv6 reassembly (out of order fragments)." +snabb_run_and_cmp ${TEST_BASE}/big_mtu_no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound-reverse.pcap \ + ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled-1p.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua + +echo "Testing: IPv6 reassembly (with max frags set to 1)." +snabb_run_and_cmp ${TEST_BASE}/no_icmp_maxfrags1.conf \ + ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-0p-ipv4.lua + +echo "Testing: IPv6 reassembly (followed by decapsulation)." +snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ + ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua + +echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, drop policy." +snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ + ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua + +echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, allow policy." +snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp_allow.conf \ + ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ + ${TEST_BASE}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} \ + ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua + +echo "Testing: from-internet IPv4 packet NOT found in the binding table, no ICMP." +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-1p-ipv4-out-none-1.lua + +echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't), no ICMP." +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-1p-ipv4-out-none-1.lua + +echo "Testing: from-internet IPv4 packet NOT found in the binding table (ICMP-on-fail)." +snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ + ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ + ${TEST_BASE}/icmpv4-dst-host-unreachable.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua + +echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)." +snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ + ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ + ${TEST_BASE}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua + +echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/drop-no-source-softwire-ipv6.lua + +echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ + ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua + +echo "Testing: from-b4 to-internet IPv6 packet found in the binding table with vlan tag." +snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-vlan.pcap \ + ${TEST_BASE}/decap-ipv4-vlan.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua + +echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, no ICMP" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-none-1.lua + +echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, (IPv4 matches, but port doesn't), no ICMP" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-none-1.lua + +echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (ICMP-on-fail)" +snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ + ${EMPTY} ${TEST_BASE}/icmpv6-nogress.pcap \ + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua + +echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)" +snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ + ${EMPTY} ${TEST_BASE}/icmpv6-nogress-ip-bound-port-unbound.pcap \ + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua + +echo "Testing: from-to-b4 IPv6 packet, no hairpinning" +# The idea is that with hairpinning off, the packet goes out the inet interface +# and something else routes it back for re-encapsulation. It's not clear why +# this would be desired behaviour, but it's my reading of the RFC. +snabb_run_and_cmp ${TEST_BASE}/no_hairpin.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ + ${TEST_BASE}/decap-ipv4-nohair.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua + +echo "Testing: from-to-b4 IPv6 packet, with hairpinning" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ + ${EMPTY} ${TEST_BASE}/recap-ipv6.pcap \ + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua + +echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" +# Ping from 127:11:12:13:14:15:16:128 / 178.79.150.233+7850 to +# 178.79.150.1, which has b4 address 127:22:33:44:55:66:77:127 and is +# not port-restricted. +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request.pcap \ + ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-from-aftr.pcap \ + ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua + +echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning" +# As above, but a reply instead. +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply.pcap \ + ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-from-aftr.pcap \ + ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua + +echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning, unbound" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-unbound.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua + +echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning, port 0 not bound" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound.pcap \ + ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-2.lua + +echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ + ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua + +echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1, drop policy" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua + +echo "Testing: from-to-b4 IPv6 packet, with hairpinning, with vlan tag" +snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-vlan.pcap \ + ${EMPTY} ${TEST_BASE}/recap-ipv6-vlan.pcap \ + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua + +echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-customBRIP-ipv6.pcap \ + ${EMPTY} ${TEST_BASE}/recap-tocustom-BRIP-ipv6.pcap \ + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua + +echo "Testing: from-b4 IPv6 packet, with hairpinning, from B4 with custom lwAFTR address" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP-tob4-ipv6.pcap \ + ${EMPTY} ${TEST_BASE}/recap-fromcustom-BRIP-ipv6.pcap \ + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua + +echo "Testing: from-b4 IPv6 packet, with hairpinning, different non-default lwAFTR addresses" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap \ + ${EMPTY} ${TEST_BASE}/recap-customBR-IPs-ipv6.pcap \ + ${COUNTERS}/from-to-b4-ipv6-hairpin.lua + +echo "Testing: sending non-IPv4 traffic to the IPv4 interface" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${TEST_BASE}/tcp-afteraftr-ipv6-wrongiface.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua + +echo "Testing: sending non-IPv6 traffic to the IPv6 interface" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/tcp-frominet-bound-wrongiface.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/non-ipv4-traffic-to-ipv4-interface.lua + +# Test UDP packets + +echo "Testing: from-internet bound IPv4 UDP packet" +snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ + ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua + +echo "Testing: unfragmented IPv4 UDP -> outgoing IPv6 UDP fragments" +snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ + ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6-2frags.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua + +echo "Testing: IPv6 incoming UDP fragments -> unfragmented IPv4" +snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ + ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ + ${TEST_BASE}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua + +echo "Testing: IPv6 incoming UDP fragments -> outgoing IPv4 UDP fragments" +snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ + ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ + ${TEST_BASE}/udp-afteraftr-ipv4-3frags.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua + +echo "Testing: IPv4 incoming UDP fragments -> outgoing IPv6 UDP fragments" +snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ + ${TEST_BASE}/udp-frominet-3frag-bound.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/udp-afteraftr-reassembled-ipv6-2frags.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua + +# Test ICMP inputs (with and without drop policy) + +echo "Testing: incoming ICMPv4 echo request, matches binding table" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-request.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua + +echo "Testing: incoming ICMPv4 echo request, matches binding table, bad checksum" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${TEST_BASE}/incoming-icmpv4-echo-request-invalid-icmp-checksum.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-1p-ipv4-out-none-2.lua + +echo "Testing: incoming ICMPv4 echo request, matches binding table, dropping ICMP" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-1p-ipv4-out-none-3.lua + +echo "Testing: incoming ICMPv4 echo request, doesn't match binding table" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${TEST_BASE}/incoming-icmpv4-echo-request-unbound.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-1p-ipv4-out-none-4.lua + +echo "Testing: incoming ICMPv4 echo reply, matches binding table" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${TEST_BASE}/incoming-icmpv4-echo-reply.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-reply.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua + +echo "Testing: incoming ICMPv4 3,4 'too big' notification, matches binding table" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${TEST_BASE}/incoming-icmpv4-34toobig.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-34toobig.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-8.lua + +echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from internet" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ + ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + +echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ + ${TEST_BASE}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + +echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ + ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + +echo "Testing: incoming ICMPv6 3,1 frag reassembly time exceeded, OPE from internet" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/incoming-icmpv6-31fragreassemblytimeexceeded-inet-OPE.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-none-2.lua + +echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ + ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua + +echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" +snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ + ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ + ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ + ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-2.lua + +# Ingress filters + +echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (ACCEPT)" +snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ + ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua + +echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (DROP)" +snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ + ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua + +echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (ACCEPT)" +snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ + ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua + +echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DROP)" +snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua + +# Egress filters + +echo "Testing: egress-filter: to-internet (IPv4) (ACCEPT)" +snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ + ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua + +echo "Testing: egress-filter: to-internet (IPv4) (DROP)" +snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ + ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua + +echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" +snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ + ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ + ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua + +echo "Testing: egress-filter: to-b4 (IPv4) (DROP)" +snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ + ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ + ${EMPTY} ${EMPTY} \ + ${COUNTERS}/empty.lua + +echo "Testing: ICMP Echo to AFTR (IPv4)" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${TEST_BASE}/ping-v4.pcap ${EMPTY} \ + ${TEST_BASE}/ping-v4-reply.pcap ${EMPTY} \ + ${COUNTERS}/empty.lua + +echo "Testing: ICMP Echo to AFTR (IPv4) + data" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${TEST_BASE}/ping-v4-and-data.pcap ${EMPTY} \ + ${TEST_BASE}/ping-v4-reply.pcap ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua + +echo "Testing: ICMP Echo to AFTR (IPv6)" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/ping-v6.pcap \ + ${EMPTY} ${TEST_BASE}/ping-v6-reply.pcap \ + ${COUNTERS}/empty.lua + +echo "Testing: ICMP Echo to AFTR (IPv6) + data" +snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ + ${EMPTY} ${TEST_BASE}/ping-v6-and-data.pcap \ + ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ping-v6-reply.pcap \ + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua + +echo "All end-to-end lwAFTR tests passed." diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index faab54499c..d3c69ba8fc 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -1,517 +1,8 @@ #!/usr/bin/env bash -SNABB_LWAFTR="../../../../snabb lwaftr" -TEST_CONF=../data -TEST_DATA=../data/vlan -TEST_OUT=/tmp -EMPTY=${TEST_CONF}/empty.pcap -COUNTERS=${TEST_CONF}/counters - -if [[ $EUID -ne 0 ]]; then - echo "This script must be run as root" 1>&2 - exit 1 -fi - -function quit_with_msg { - echo $1; exit 1 -} - -function scmp { - if ! cmp $1 $2 ; then - ls -l $1 - ls -l $2 - quit_with_msg "$3" - fi -} - -function snabb_run_and_cmp_two_interfaces { - conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6; - endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap"; - rm -f $endoutv4 $endoutv6 - ${SNABB_LWAFTR} check \ - $conf $v4_in $v6_in \ - $endoutv4 $endoutv6 $counters_path || quit_with_msg \ - "Failure: ${SNABB_LWAFTR} check $*" - scmp $v4_out $endoutv4 \ - "Failure: ${SNABB_LWAFTR} check $*" - scmp $v6_out $endoutv6 \ - "Failure: ${SNABB_LWAFTR} check $*" - echo "Test passed" -} - -function is_packet_in_wrong_interface_test { - counters_path=$1 - if [[ "$counters_path" == "${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua" || - "$counters_path" == "${COUNTERS}/non-ipv4-traffic-to-ipv4-interface.lua" ]]; then - echo 1 - fi -} - -function snabb_run_and_cmp_on_a_stick { - conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6 - endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap" - if [[ $(is_packet_in_wrong_interface_test $counters_path) ]]; then - echo "Test skipped" - return - fi - rm -f $endoutv4 $endoutv6 - ${SNABB_LWAFTR} check --on-a-stick \ - $conf $v4_in $v6_in \ - $endoutv4 $endoutv6 $counters_path || quit_with_msg \ - "Failure: ${SNABB_LWAFTR} check $*" - scmp $v4_out $endoutv4 \ - "Failure: ${SNABB_LWAFTR} check $*" - scmp $v6_out $endoutv6 \ - "Failure: ${SNABB_LWAFTR} check $*" - echo "Test passed" -} - -function snabb_run_and_cmp { - if [ -z $6 ]; then - echo "not enough arguments to snabb_run_and_cmp" - exit 1 - fi - snabb_run_and_cmp_on_a_stick $@ - snabb_run_and_cmp_two_interfaces $@ -} - -echo "Testing: from-internet IPv4 packet found in the binding table." -snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${TEST_DATA}/tcp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: traffic class mapping" -snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: NDP: incoming NDP Neighbor Solicitation" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/ndp_incoming_ns.pcap \ - ${EMPTY} ${TEST_DATA}/ndp_outgoing_solicited_na.pcap \ - ${COUNTERS}/empty.lua - -echo "Testing: NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/ndp_incoming_ns_nonlwaftr.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: NDP: IPv6 but not eth addr of next IPv6 hop set, do Neighbor Solicitation" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_withoutmac_vlan.conf \ - ${EMPTY} ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/empty.lua - -# mergecap -F pcap -w ndp_without_dst_eth_compound.pcap tcp-fromb4-ipv6.pcap tcp-fromb4-tob4-ipv6.pcap -# mergecap -F pcap -w ndp_ns_and_recap.pcap recap-ipv6.pcap ndp_outgoing_ns.pcap -echo "Testing: NDP: Without receiving NA, next_hop6_mac not set" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_withoutmac_vlan.conf \ - ${EMPTY} ${TEST_DATA}/ndp_without_dst_eth_compound.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua - -# mergecap -F pcap -w ndp_getna_compound.pcap tcp-fromb4-ipv6.pcap \ -# ndp_incoming_solicited_na.pcap tcp-fromb4-tob4-ipv6.pcap -# mergecap -F pcap -w ndp_ns_and_recap.pcap ndp_outgoing_ns.pcap recap-ipv6.pcap -echo "Testing: NDP: With receiving NA, next_hop6_mac not initially set" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_withoutmac_vlan.conf \ - ${EMPTY} ${TEST_DATA}/ndp_getna_compound.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ndp_ns_and_recap.pcap \ - ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua - -echo "Testing: ARP: incoming ARP request" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${TEST_DATA}/arp_request_recv.pcap ${EMPTY} \ - ${TEST_DATA}/arp_reply_send.pcap ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_without_mac4_vlan.conf \ - ${EMPTY} ${EMPTY} \ - ${TEST_DATA}/arp_request_send.pcap ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: from-internet IPv4 fragmented packets found in the binding table" -snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${TEST_DATA}/tcp-ipv4-3frags-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-reassembled.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-2.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." -snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${TEST_DATA}/tcp-frominet-bound-ttl1.pcap ${EMPTY}\ - ${TEST_DATA}/icmpv4-time-expired.pcap ${EMPTY} \ - ${COUNTERS}/tcp-frominet-bound-ttl1.lua - -echo "Testing: from-B4 IPv4 fragmentation (2)" -snabb_run_and_cmp ${TEST_CONF}/small_ipv4_mtu_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-ipv6-fromb4-toinet-1046.pcap \ - ${TEST_DATA}/tcp-ipv4-toinet-2fragments.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-1.lua - -echo "Testing: from-B4 IPv4 fragmentation (3)" -snabb_run_and_cmp ${TEST_CONF}/small_ipv4_mtu_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-ipv6-fromb4-toinet-1500.pcap \ - ${TEST_DATA}/tcp-ipv4-toinet-3fragments.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-2.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (2)." -snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ - ${TEST_DATA}/tcp-frominet-bound1494.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-2frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-3.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (3)." -snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ - ${TEST_DATA}/tcp-frominet-bound-2734.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-3frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-4.lua - -echo "Testing: IPv6 reassembly (followed by decapsulation)." -snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-ipv6-2frags-bound.pcap \ - ${TEST_DATA}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, drop policy." -snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ - ${TEST_DATA}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, allow policy." -snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan_allow.conf \ - ${TEST_DATA}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${TEST_DATA}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table, no ICMP." -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${TEST_DATA}/tcp-frominet-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-1.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table (matches IPv4, but not port), no ICMP." -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${TEST_DATA}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-1.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table (ICMP-on-fail)." -snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${TEST_DATA}/tcp-frominet-unbound.pcap ${EMPTY} \ - ${TEST_DATA}/icmpv4-dst-host-unreachable.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table (matches IPv4, but not port) (ICMP-on-fail)." -snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${TEST_DATA}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ - ${TEST_DATA}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua - -echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/drop-no-source-softwire-ipv6.lua - -echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, no ICMP" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-unbound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-none-1.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (matches IPv4, but not port), no ICMP" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-none-1.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (ICMP-on-fail)" -snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-unbound.pcap \ - ${EMPTY} ${TEST_DATA}/icmpv6-nogress.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (matches IPv4, but not port) (ICMP-on-fail)" -snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ - ${EMPTY} ${TEST_DATA}/icmpv6-nogress-ip-bound-port-unbound.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua - -echo "Testing: from-to-b4 IPv6 packet, no hairpinning" -# The idea is that with hairpinning off, the packet goes out the inet interface -# and something else routes it back for re-encapsulation. It's not clear why -# this would be desired behaviour, but it's my reading of the RFC. -snabb_run_and_cmp ${TEST_CONF}/no_hairpin_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6.pcap \ - ${TEST_DATA}/decap-ipv4-nohair.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: from-to-b4 IPv6 packet, with hairpinning" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6.pcap \ - ${EMPTY} ${TEST_DATA}/recap-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" -# Ping from 127:11:12:13:14:15:16:128 / 178.79.150.233+7850 to -# 178.79.150.1, which has b4 address 127:22:33:44:55:66:77:127 and is -# not port-restricted. -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-request.pcap \ - ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-request-from-aftr.pcap \ - ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning" -# As above, but a reply instead. -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply.pcap \ - ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-from-aftr.pcap \ - ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning, unbound" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-request-unbound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning, port 0 not bound" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-unbound.pcap \ - ${EMPTY} ${TEST_DATA}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-2.lua - -echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ - ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua - -echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1, drop policy" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua - -echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-tob4-customBRIP-ipv6.pcap \ - ${EMPTY} ${TEST_DATA}/recap-tocustom-BRIP-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: from-b4 IPv6 packet, with hairpinning, from B4 with custom lwAFTR address" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-customBRIP-tob4-ipv6.pcap \ - ${EMPTY} ${TEST_DATA}/recap-fromcustom-BRIP-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: from-b4 IPv6 packet, with hairpinning, different non-default lwAFTR addresses" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap \ - ${EMPTY} ${TEST_DATA}/recap-customBR-IPs-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing sending non-IPv6 traffic to the IPv6 interface." -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${TEST_DATA}/tcp-afteraftr-ipv6.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: sending non-IPv4 traffic to the IPv4 interface" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/tcp-frominet-bound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -# Test UDP packets - -echo "Testing: from-internet bound IPv4 UDP packet" -snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${TEST_DATA}/udp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/udp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua - -echo "Testing: unfragmented IPv4 UDP -> outgoing IPv6 UDP fragments" -snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ - ${TEST_DATA}/udp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/udp-afteraftr-ipv6-2frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua - -echo "Testing: IPv6 incoming UDP fragments -> unfragmented IPv4" -snabb_run_and_cmp ${TEST_CONF}/icmp_on_fail_vlan.conf \ - ${EMPTY} ${TEST_DATA}/udp-fromb4-2frags-bound.pcap \ - ${TEST_DATA}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua - -echo "Testing: IPv6 incoming UDP fragments -> outgoing IPv4 UDP fragments" -snabb_run_and_cmp ${TEST_CONF}/small_ipv4_mtu_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/udp-fromb4-2frags-bound.pcap \ - ${TEST_DATA}/udp-afteraftr-ipv4-3frags.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua - -echo "Testing: IPv4 incoming UDP fragments -> outgoing IPv6 UDP fragments" -snabb_run_and_cmp ${TEST_CONF}/small_ipv6_mtu_no_icmp_vlan.conf \ - ${TEST_DATA}/udp-frominet-3frag-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/udp-afteraftr-reassembled-ipv6-2frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua - -# Test ICMP inputs (with and without drop policy) - -echo "Testing: incoming ICMPv4 echo request, matches binding table" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${TEST_DATA}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-echo-request.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua - -echo "Testing: incoming ICMPv4 echo request, matches binding table, bad checksum" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${TEST_DATA}/incoming-icmpv4-echo-request-invalid-icmp-checksum.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-2.lua - -echo "Testing: incoming ICMPv4 echo request, matches binding table, dropping ICMP" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_vlan.conf \ - ${TEST_DATA}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-3.lua - -echo "Testing: incoming ICMPv4 echo request, doesn't match binding table" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${TEST_DATA}/incoming-icmpv4-echo-request-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-4.lua - -echo "Testing: incoming ICMPv4 echo reply, matches binding table" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${TEST_DATA}/incoming-icmpv4-echo-reply.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-echo-reply.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua - -echo "Testing: incoming ICMPv4 3,4 'too big' notification, matches binding table" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${TEST_DATA}/incoming-icmpv4-34toobig.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/ipv6-tunneled-incoming-icmpv4-34toobig.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-8.lua - -echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from internet" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ - ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ - ${TEST_DATA}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ - ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 3,1 frag reasembly time exceeded, OPE from internet" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/incoming-icmpv6-31fragreassemblytimeexceeded-inet-OPE.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-none-2.lua - -echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ - ${TEST_DATA}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" -snabb_run_and_cmp ${TEST_CONF}/tunnel_icmp_vlan.conf \ - ${EMPTY} ${TEST_DATA}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ - ${EMPTY} ${TEST_DATA}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-2.lua - -# Ingress filters - -echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (ACCEPT)" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (DROP)" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ - ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (ACCEPT)" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DROP)" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -# Egress filters - -echo "Testing: egress-filter: to-internet (IPv4) (ACCEPT)" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: egress-filter: to-internet (IPv4) (DROP)" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ - ${EMPTY} ${TEST_DATA}/tcp-fromb4-ipv6.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_DATA}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: egress-filter: to-b4 (IPv4) (DROP)" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_drop.conf \ - ${TEST_DATA}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: ICMP Echo to AFTR (IPv4)" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${TEST_DATA}/ping-v4.pcap ${EMPTY} ${TEST_DATA}/ping-v4-reply.pcap ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: ICMP Echo to AFTR (IPv4) + data" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${TEST_DATA}/ping-v4-and-data.pcap ${EMPTY} ${TEST_DATA}/ping-v4-reply.pcap \ - ${TEST_DATA}/tcp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: ICMP Echo to AFTR (IPv6)" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${EMPTY} ${TEST_DATA}/ping-v6.pcap \ - ${EMPTY} ${TEST_DATA}/ping-v6-reply.pcap \ - ${COUNTERS}/empty.lua - -echo "Testing: ICMP Echo to AFTR (IPv6) + data" -snabb_run_and_cmp ${TEST_CONF}/no_icmp_with_filters_and_vlan_accept.conf \ - ${EMPTY} ${TEST_DATA}/ping-v6-and-data.pcap \ - ${TEST_DATA}/decap-ipv4.pcap ${TEST_DATA}/ping-v6-reply.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "All end-to-end lwAFTR vlan tests passed." +SNABB_LWAFTR="../../../../snabb lwaftr" \ +TEST_BASE=../data/vlan \ +TEST_OUT=/tmp \ +EMPTY=${TEST_BASE}/../empty.pcap \ +COUNTERS=${TEST_BASE}/../counters \ +./core-end-to-end.sh diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index 56c9fdf254..eb8ff47156 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -1,560 +1,8 @@ #!/usr/bin/env bash -SNABB_LWAFTR="../../../../snabb lwaftr" -TEST_BASE=../data -TEST_OUT=/tmp -EMPTY=${TEST_BASE}/empty.pcap -COUNTERS=${TEST_BASE}/counters - -if [[ $EUID -ne 0 ]]; then - echo "This script must be run as root" 1>&2 - exit 1 -fi - -function quit_with_msg { - echo $1; exit 1 -} - -function scmp { - if ! cmp $1 $2 ; then - ls -l $1 - ls -l $2 - quit_with_msg "$3" - fi -} - -function snabb_run_and_cmp_two_interfaces { - conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6; - endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap"; - rm -f $endoutv4 $endoutv6 - ${SNABB_LWAFTR} check \ - $conf $v4_in $v6_in \ - $endoutv4 $endoutv6 $counters_path || quit_with_msg \ - "Failure: ${SNABB_LWAFTR} check $*" - scmp $v4_out $endoutv4 \ - "Failure: ${SNABB_LWAFTR} check $*" - scmp $v6_out $endoutv6 \ - "Failure: ${SNABB_LWAFTR} check $*" - echo "Test passed" -} - -function is_packet_in_wrong_interface_test { - counters_path=$1 - if [[ "$counters_path" == "${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua" || - "$counters_path" == "${COUNTERS}/non-ipv4-traffic-to-ipv4-interface.lua" ]]; then - echo 1 - fi -} - -function snabb_run_and_cmp_on_a_stick { - conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6 - endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap" - # Skip these tests as they won't fail in on-a-stick mode. - if [[ $(is_packet_in_wrong_interface_test $counters_path) ]]; then - echo "Test skipped" - return - fi - rm -f $endoutv4 $endoutv6 - ${SNABB_LWAFTR} check --on-a-stick \ - $conf $v4_in $v6_in \ - $endoutv4 $endoutv6 $counters_path || quit_with_msg \ - "Failure: ${SNABB_LWAFTR} check $*" - scmp $v4_out $endoutv4 \ - "Failure: ${SNABB_LWAFTR} check $*" - scmp $v6_out $endoutv6 \ - "Failure: ${SNABB_LWAFTR} check $*" - echo "Test passed" -} - -function snabb_run_and_cmp { - if [ -z $6 ]; then - echo "not enough arguments to snabb_run_and_cmp" - exit 1 - fi - snabb_run_and_cmp_two_interfaces $@ - snabb_run_and_cmp_on_a_stick $@ -} - -echo "Testing: from-internet IPv4 packet found in the binding table." -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: from-internet IPv4 packet found in the binding table with vlan tag." -snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ - ${TEST_BASE}/tcp-frominet-bound-vlan.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-vlan.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: NDP: incoming NDP Neighbor Solicitation" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/ndp_incoming_ns.pcap \ - ${EMPTY} ${TEST_BASE}/ndp_outgoing_solicited_na.pcap \ - ${COUNTERS}/empty.lua - -echo "Testing: NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/ndp_incoming_ns_nonlwaftr.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: NDP: IPv6 but not eth addr of next IPv6 hop set, do Neighbor Solicitation" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ - ${EMPTY} ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/empty.lua - -echo "Testing: ARP: incoming ARP request" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/arp_request_recv.pcap ${EMPTY} \ - ${TEST_BASE}/arp_reply_send.pcap ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_without_mac4.conf \ - ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/arp_request_send.pcap ${EMPTY} \ - ${COUNTERS}/empty.lua - -# mergecap -F pcap -w ndp_without_dst_eth_compound.pcap tcp-fromb4-ipv6.pcap tcp-fromb4-tob4-ipv6.pcap -# mergecap -F pcap -w ndp_ns_and_recap.pcap recap-ipv6.pcap ndp_outgoing_ns.pcap -echo "Testing: NDP: Without receiving NA, next_hop6_mac not set" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ - ${EMPTY} ${TEST_BASE}/ndp_without_dst_eth_compound.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua - -# mergecap -F pcap -w ndp_getna_compound.pcap tcp-fromb4-ipv6.pcap \ -# ndp_incoming_solicited_na.pcap tcp-fromb4-tob4-ipv6.pcap -# mergecap -F pcap -w ndp_ns_and_recap.pcap ndp_outgoing_ns.pcap recap-ipv6.pcap -echo "Testing: NDP: With receiving NA, next_hop6_mac not initially set" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ - ${EMPTY} ${TEST_BASE}/ndp_getna_compound.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_ns_and_recap.pcap \ - ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua - -echo "Testing: IPv6 packet, next hop NA, packet, eth addr not set in configuration." -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ - ${EMPTY} ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/empty.lua - -echo "Testing: from-internet IPv4 fragmented packets found in the binding table." -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-ipv4-3frags-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-reassembled.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-2.lua - -echo "Testing: traffic class mapping" -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-bound-ttl1.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-time-expired.pcap ${EMPTY} \ - ${COUNTERS}/tcp-frominet-bound-ttl1.lua - -echo "Testing: from-B4 IPv4 fragmentation (2)" -snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1046.pcap \ - ${TEST_BASE}/tcp-ipv4-toinet-2fragments.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-1.lua - -echo "Testing: from-B4 IPv4 fragmentation (3)" -snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1500.pcap \ - ${TEST_BASE}/tcp-ipv4-toinet-3fragments.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-2.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (2)." -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-bound1494.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-2frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-3.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (3)." -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-bound-2734.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-3frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-4.lua - -echo "Testing: IPv6 reassembly (to one packet)." -snabb_run_and_cmp ${TEST_BASE}/big_mtu_no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ - ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled-1p.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua - -echo "Testing: IPv6 reassembly (out of order fragments)." -snabb_run_and_cmp ${TEST_BASE}/big_mtu_no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound-reverse.pcap \ - ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled-1p.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua - -echo "Testing: IPv6 reassembly (with max frags set to 1)." -snabb_run_and_cmp ${TEST_BASE}/no_icmp_maxfrags1.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-0p-ipv4.lua - -echo "Testing: IPv6 reassembly (followed by decapsulation)." -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ - ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, drop policy." -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, allow policy." -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp_allow.conf \ - ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table, no ICMP." -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-1.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't), no ICMP." -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-1.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table (ICMP-on-fail)." -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-dst-host-unreachable.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)." -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua - -echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/drop-no-source-softwire-ipv6.lua - -echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: from-b4 to-internet IPv6 packet found in the binding table with vlan tag." -snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-vlan.pcap \ - ${TEST_BASE}/decap-ipv4-vlan.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, no ICMP" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-none-1.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, (IPv4 matches, but port doesn't), no ICMP" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-none-1.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (ICMP-on-fail)" -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ - ${EMPTY} ${TEST_BASE}/icmpv6-nogress.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)" -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ - ${EMPTY} ${TEST_BASE}/icmpv6-nogress-ip-bound-port-unbound.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua - -echo "Testing: from-to-b4 IPv6 packet, no hairpinning" -# The idea is that with hairpinning off, the packet goes out the inet interface -# and something else routes it back for re-encapsulation. It's not clear why -# this would be desired behaviour, but it's my reading of the RFC. -snabb_run_and_cmp ${TEST_BASE}/no_hairpin.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4-nohair.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: from-to-b4 IPv6 packet, with hairpinning" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" -# Ping from 127:11:12:13:14:15:16:128 / 178.79.150.233+7850 to -# 178.79.150.1, which has b4 address 127:22:33:44:55:66:77:127 and is -# not port-restricted. -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request.pcap \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-from-aftr.pcap \ - ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning" -# As above, but a reply instead. -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply.pcap \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-from-aftr.pcap \ - ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning, unbound" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-unbound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning, port 0 not bound" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound.pcap \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-2.lua - -echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ - ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua - -echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1, drop policy" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua - -echo "Testing: from-to-b4 IPv6 packet, with hairpinning, with vlan tag" -snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-vlan.pcap \ - ${EMPTY} ${TEST_BASE}/recap-ipv6-vlan.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-customBRIP-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-tocustom-BRIP-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: from-b4 IPv6 packet, with hairpinning, from B4 with custom lwAFTR address" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP-tob4-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-fromcustom-BRIP-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: from-b4 IPv6 packet, with hairpinning, different non-default lwAFTR addresses" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-customBR-IPs-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: sending non-IPv6 traffic to the IPv6 interface" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/tcp-afteraftr-ipv6.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua - -echo "Testing: sending non-IPv4 traffic to the IPv4 interface" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-frominet-bound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/non-ipv4-traffic-to-ipv4-interface.lua - -# Test UDP packets - -echo "Testing: from-internet bound IPv4 UDP packet" -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua - -echo "Testing: unfragmented IPv4 UDP -> outgoing IPv6 UDP fragments" -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6-2frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua - -echo "Testing: IPv6 incoming UDP fragments -> unfragmented IPv4" -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ - ${TEST_BASE}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua - -echo "Testing: IPv6 incoming UDP fragments -> outgoing IPv4 UDP fragments" -snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ - ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ - ${TEST_BASE}/udp-afteraftr-ipv4-3frags.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua - -echo "Testing: IPv4 incoming UDP fragments -> outgoing IPv6 UDP fragments" -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/udp-frominet-3frag-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/udp-afteraftr-reassembled-ipv6-2frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua - -# Test ICMP inputs (with and without drop policy) - -echo "Testing: incoming ICMPv4 echo request, matches binding table" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-request.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua - -echo "Testing: incoming ICMPv4 echo request, matches binding table, bad checksum" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-echo-request-invalid-icmp-checksum.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-2.lua - -echo "Testing: incoming ICMPv4 echo request, matches binding table, dropping ICMP" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-3.lua - -echo "Testing: incoming ICMPv4 echo request, doesn't match binding table" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-echo-request-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-4.lua - -echo "Testing: incoming ICMPv4 echo reply, matches binding table" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-echo-reply.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-reply.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua - -echo "Testing: incoming ICMPv4 3,4 'too big' notification, matches binding table" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-34toobig.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-34toobig.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-8.lua - -echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from internet" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 3,1 frag reassembly time exceeded, OPE from internet" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-31fragreassemblytimeexceeded-inet-OPE.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-none-2.lua - -echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ - ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-2.lua - -# Ingress filters - -echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (ACCEPT)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ - ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (DROP)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ - ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (ACCEPT)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DROP)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -# Egress filters - -echo "Testing: egress-filter: to-internet (IPv4) (ACCEPT)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: egress-filter: to-internet (IPv4) (DROP)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ - ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: egress-filter: to-b4 (IPv4) (DROP)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ - ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: ICMP Echo to AFTR (IPv4)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/ping-v4.pcap ${EMPTY} \ - ${TEST_BASE}/ping-v4-reply.pcap ${EMPTY} \ - ${COUNTERS}/empty.lua - -echo "Testing: ICMP Echo to AFTR (IPv4) + data" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/ping-v4-and-data.pcap ${EMPTY} \ - ${TEST_BASE}/ping-v4-reply.pcap ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: ICMP Echo to AFTR (IPv6)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/ping-v6.pcap \ - ${EMPTY} ${TEST_BASE}/ping-v6-reply.pcap \ - ${COUNTERS}/empty.lua - -echo "Testing: ICMP Echo to AFTR (IPv6) + data" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/ping-v6-and-data.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ping-v6-reply.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "All end-to-end lwAFTR tests passed." +SNABB_LWAFTR="../../../../snabb lwaftr" \ +TEST_BASE=../data/ \ +TEST_OUT=/tmp \ +EMPTY=${TEST_BASE}/empty.pcap \ +COUNTERS=${TEST_BASE}/counters \ +./core-end-to-end.sh From 6aa512f654dbce774c84483322e71615cf52a053 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Mon, 22 Aug 2016 06:54:43 +0200 Subject: [PATCH 143/340] Addressed nits --- src/apps/lwaftr/conf.lua | 4 ++++ src/apps/lwaftr/fragmentv6_hardened.lua | 20 +++++++++++--------- 2 files changed, 15 insertions(+), 9 deletions(-) diff --git a/src/apps/lwaftr/conf.lua b/src/apps/lwaftr/conf.lua index 071aa98081..d67f3cd87b 100644 --- a/src/apps/lwaftr/conf.lua +++ b/src/apps/lwaftr/conf.lua @@ -140,6 +140,8 @@ function selftest() inet_mac = 68:68:68:68:68:68 ipv4_mtu = 1460 ipv6_mtu = 1500 + max_fragments_per_reassembly_packet = 20 + max_ipv6_reassembly_packets = 50 policy_icmpv4_incoming = ALLOW policy_icmpv6_incoming = ALLOW policy_icmpv4_outgoing = ALLOW @@ -163,6 +165,8 @@ function selftest() inet_mac = ethernet:pton("68:68:68:68:68:68"), ipv4_mtu = 1460, ipv6_mtu = 1500, + max_fragments_per_reassembly_packet = 20, + max_ipv6_reassembly_packets = 50, policy_icmpv4_incoming = policies['ALLOW'], policy_icmpv6_incoming = policies['ALLOW'], policy_icmpv4_outgoing = policies['ALLOW'], diff --git a/src/apps/lwaftr/fragmentv6_hardened.lua b/src/apps/lwaftr/fragmentv6_hardened.lua index e90ce914f6..ab77de8448 100644 --- a/src/apps/lwaftr/fragmentv6_hardened.lua +++ b/src/apps/lwaftr/fragmentv6_hardened.lua @@ -7,6 +7,7 @@ local ffi = require('ffi') local lwutil = require("apps.lwaftr.lwutil") local C = ffi.C local packet = require("core.packet") +local lib = require("core.lib") REASSEMBLY_OK = 1 FRAGMENT_MISSING = 2 @@ -40,6 +41,7 @@ local rd16, rd32 = lwutil.rd16, lwutil.rd32 local uint32_ptr_t = ffi.typeof("uint32_t*") local bxor, band = bit.bxor, bit.band local packet_payload_size = C.PACKET_PAYLOAD_SIZE +local ntohs, ntohl = lib.ntohs, lib.ntohl local ipv6_fragment_key_t = ffi.typeof[[ struct { @@ -61,19 +63,19 @@ ReassembleV6 = {} local function get_frag_len(frag) local ipv6_payload_len = ehs + o_ipv6_payload_len - return C.ntohs(rd16(frag.data + ipv6_payload_len)) - ipv6_frag_header_size + return ntohs(rd16(frag.data + ipv6_payload_len)) - ipv6_frag_header_size end local function get_frag_id(frag) local o_id = ehs + ipv6_fixed_header_size + o_ipv6_frag_id - return C.ntohl(rd32(frag.data + o_id)) + return ntohl(rd32(frag.data + o_id)) end -- The least significant three bits are other information, but the -- offset is expressed in 8-octet units, so just mask them off. local function get_frag_start(frag) local o_fstart = ehs + ipv6_fixed_header_size + o_ipv6_frag_offset - local raw_start = C.ntohs(rd16(frag.data + o_fstart)) + local raw_start = ntohs(rd16(frag.data + o_fstart)) local start = band(raw_start, 0xfff8) return start end @@ -92,7 +94,7 @@ local function get_key(fragment) local o_id = ehs + ipv6_fixed_header_size + o_ipv6_frag_id ffi.copy(key.src_addr, fragment.data + o_src, 16) ffi.copy(key.dst_addr, fragment.data + o_dst, 16) - key.fragment_id = C.ntohl(rd32(fragment.data + o_id)) + key.fragment_id = ntohl(rd32(fragment.data + o_id)) return key end @@ -148,8 +150,7 @@ local function attempt_reassembly(frags_table, reassembly_buf, fragment) local reassembly_pkt = reassembly_buf.reassembly_packet local frag_id = get_frag_id(fragment) if frag_id ~= reassembly_buf.fragment_id then -- unreachable - assert(false, "Impossible case reached in v6 reassembly") - return REASSEMBLY_INVALID + error(false, "Impossible case reached in v6 reassembly") --REASSEMBLY_INVALID end local frag_start = get_frag_start(fragment) @@ -179,6 +180,7 @@ local function attempt_reassembly(frags_table, reassembly_buf, fragment) end -- This is a massive layering violation. :/ + -- Specifically, it requires this file to know the details of struct packet. local skip_headers = reassembly_buf.reassembly_base local dst_offset = skip_headers + frag_start local last_ok = packet_payload_size - reassembly_pkt.headroom @@ -207,7 +209,7 @@ end local function packet_to_reassembly_buffer(pkt) local reassembly_buf = scratch_rbuf - ffi.C.memset(reassembly_buf, 0, ffi.sizeof(ipv6_reassembly_buffer_t)) + C.memset(reassembly_buf, 0, ffi.sizeof(ipv6_reassembly_buffer_t)) reassembly_buf.fragment_id = get_frag_id(pkt) reassembly_buf.reassembly_base = ehs + ipv6_fixed_header_size @@ -274,11 +276,11 @@ function cache_fragment(frags_table, fragment) frags_table:add_with_random_ejection(key, reassembly_buf, false) ptr = frags_table:lookup_ptr(key) end - local s,p = attempt_reassembly(frags_table, ptr.value, fragment) - return s, p + return attempt_reassembly(frags_table, ptr.value, fragment) end function selftest() + initialize_frag_table(20, 20) local rbuf1 = ffi.new(ipv6_reassembly_buffer_t) local rbuf2 = ffi.new(ipv6_reassembly_buffer_t) rbuf1.fragment_starts[0] = 10 From 6b522ae79140e71b14458b0d1f72720408e016f2 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Mon, 22 Aug 2016 10:11:40 +0200 Subject: [PATCH 144/340] Fixed an erroneous comment (bytes -> bits). --- src/apps/lwaftr/fragmentv6_hardened.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/apps/lwaftr/fragmentv6_hardened.lua b/src/apps/lwaftr/fragmentv6_hardened.lua index ab77de8448..e9ebc2386b 100644 --- a/src/apps/lwaftr/fragmentv6_hardened.lua +++ b/src/apps/lwaftr/fragmentv6_hardened.lua @@ -228,7 +228,7 @@ local function packet_to_reassembly_buffer(pkt) return reassembly_buf end --- The key is 288 bytes: source IPv6 address, destination IPv6 address, and +-- The key is 288 bits: source IPv6 address, destination IPv6 address, and -- the identification field from the IPv6 fragmentation header. local function hash_ipv6(key) local hash = 0 From a25cfd08e2f6c455760d942aa067cd84b38d0684 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Mon, 22 Aug 2016 13:54:18 +0200 Subject: [PATCH 145/340] Removed unused global --- src/apps/lwaftr/fragmentv6_hardened.lua | 2 -- 1 file changed, 2 deletions(-) diff --git a/src/apps/lwaftr/fragmentv6_hardened.lua b/src/apps/lwaftr/fragmentv6_hardened.lua index e9ebc2386b..e779675692 100644 --- a/src/apps/lwaftr/fragmentv6_hardened.lua +++ b/src/apps/lwaftr/fragmentv6_hardened.lua @@ -59,8 +59,6 @@ local ipv6_reassembly_buffer_t local scratch_rbuf local scratch_fragkey = ipv6_fragment_key_t() -ReassembleV6 = {} - local function get_frag_len(frag) local ipv6_payload_len = ehs + o_ipv6_payload_len return ntohs(rd16(frag.data + ipv6_payload_len)) - ipv6_frag_header_size From 1ae5334ff198954a414305497e94cd2264433dd6 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Mon, 22 Aug 2016 17:14:08 +0200 Subject: [PATCH 146/340] Hardened IPv4 reassembly. All tests pass. This is ctables-based, and similar to hardened IPv6 reassembly. --- src/apps/lwaftr/conf.lua | 4 + src/apps/lwaftr/dump.lua | 3 + src/apps/lwaftr/fragmentv4.lua | 135 +------- src/apps/lwaftr/fragmentv4_hardened.lua | 305 ++++++++++++++++++ src/apps/lwaftr/fragmentv4_test.lua | 175 +++++----- src/apps/lwaftr/ipv4_apps.lua | 92 +++--- src/program/lwaftr/setup.lua | 2 +- src/program/lwaftr/tests/data/add-vlan.sh | 1 + .../data/tcp-ipv4-3frags-bound-reversed.pcap | Bin 0 -> 1600 bytes .../vlan/tcp-ipv4-3frags-bound-reversed.pcap | Bin 0 -> 1612 bytes .../tests/end-to-end/core-end-to-end.sh | 8 + 11 files changed, 462 insertions(+), 263 deletions(-) create mode 100644 src/apps/lwaftr/fragmentv4_hardened.lua create mode 100644 src/program/lwaftr/tests/data/tcp-ipv4-3frags-bound-reversed.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/tcp-ipv4-3frags-bound-reversed.pcap diff --git a/src/apps/lwaftr/conf.lua b/src/apps/lwaftr/conf.lua index d67f3cd87b..e253fda32a 100644 --- a/src/apps/lwaftr/conf.lua +++ b/src/apps/lwaftr/conf.lua @@ -53,6 +53,7 @@ local lwaftr_conf_spec = { ipv4_mtu=Parser.parse_mtu, ipv6_mtu=Parser.parse_mtu, max_fragments_per_reassembly_packet=Parser.parse_positive_number, + max_ipv4_reassembly_packets=Parser.parse_positive_number, max_ipv6_reassembly_packets=Parser.parse_positive_number, next_hop_ipv4_addr=Parser.parse_ipv4, next_hop_ipv6_addr=Parser.parse_ipv6, @@ -84,6 +85,7 @@ local lwaftr_conf_spec = { ipv4_mtu=default(1460), ipv6_mtu=default(1500), max_fragments_per_reassembly_packet=default(40), + max_ipv4_reassembly_packets=default(40000), -- Just under a gig of memory max_ipv6_reassembly_packets=default(40000), -- Just under a gig of memory next_hop_ipv4_addr = required_at_least_one_of('next_hop_ipv4_addr', 'inet_mac'), next_hop_ipv6_addr = required_at_least_one_of('next_hop_ipv6_addr', 'next_hop6_mac'), @@ -141,6 +143,7 @@ function selftest() ipv4_mtu = 1460 ipv6_mtu = 1500 max_fragments_per_reassembly_packet = 20 + max_ipv4_reassembly_packets = 100 max_ipv6_reassembly_packets = 50 policy_icmpv4_incoming = ALLOW policy_icmpv6_incoming = ALLOW @@ -166,6 +169,7 @@ function selftest() ipv4_mtu = 1460, ipv6_mtu = 1500, max_fragments_per_reassembly_packet = 20, + max_ipv4_reassembly_packets = 100, max_ipv6_reassembly_packets = 50, policy_icmpv4_incoming = policies['ALLOW'], policy_icmpv6_incoming = policies['ALLOW'], diff --git a/src/apps/lwaftr/dump.lua b/src/apps/lwaftr/dump.lua index 83132eedcf..958d2cbc8e 100644 --- a/src/apps/lwaftr/dump.lua +++ b/src/apps/lwaftr/dump.lua @@ -59,6 +59,7 @@ local lwaftr_conf_spec = { ipv4_mtu=Dumper.number, ipv6_mtu=Dumper.number, max_fragments_per_reassembly_packet=Dumper.number, + max_ipv4_reassembly_packets=Dumper.number, max_ipv6_reassembly_packets=Dumper.number, next_hop_ipv4_addr=Dumper.ipv4, next_hop_ipv6_addr=Dumper.ipv6, @@ -181,6 +182,7 @@ function selftest () ipv4_mtu = 1460 ipv6_mtu = 1500 max_fragments_per_reassembly_packet = 40 + max_ipv4_reassembly_packets = 5 max_ipv6_reassembly_packets = 10 policy_icmpv4_incoming = ALLOW policy_icmpv6_incoming = ALLOW @@ -212,6 +214,7 @@ function selftest () ipv6_ingress_filter = ip6 ipv6_mtu = 1500 max_fragments_per_reassembly_packet = 40 + max_ipv4_reassembly_packets = 5 max_ipv6_reassembly_packets = 10 next_hop6_mac = 44:44:44:44:44:44 policy_icmpv4_incoming = ALLOW diff --git a/src/apps/lwaftr/fragmentv4.lua b/src/apps/lwaftr/fragmentv4.lua index 5bfe4b904f..a2db3520c3 100644 --- a/src/apps/lwaftr/fragmentv4.lua +++ b/src/apps/lwaftr/fragmentv4.lua @@ -6,12 +6,11 @@ local packet = require("core.packet") local ipsum = require("lib.checksum").ipsum local bit = require("bit") local ffi = require("ffi") +local lib = require("core.lib") -local rd16, wr16, wr32, get_ihl_from_offset = lwutil.rd16, lwutil.wr16, lwutil.wr32, lwutil.get_ihl_from_offset -local cast = ffi.cast -local htons, htonl = lwutil.htons, lwutil.htonl -local ntohs, ntohl = htons, htonl +local rd16, wr16, get_ihl_from_offset = lwutil.rd16, lwutil.wr16, lwutil.get_ihl_from_offset local band, bor = bit.band, bit.bor +local ntohs, htons = lib.ntohs, lib.htons local ceil = math.ceil -- Constants to manipulate the flags next to the frag-offset field directly @@ -61,7 +60,7 @@ function fragment(ipv4_pkt, l2_size, mtu) if ipv4_pkt.length - l2_size <= mtu then return FRAGMENT_UNNEEDED, ipv4_pkt end - l2_mtu = mtu + l2_size + local l2_mtu = mtu + l2_size local ver_and_ihl_offset = l2_size + constants.o_ipv4_ver_and_ihl local total_length_offset = l2_size + constants.o_ipv4_total_length @@ -131,129 +130,3 @@ function fragment(ipv4_pkt, l2_size, mtu) return FRAGMENT_OK, pkts end - - -function is_fragment(pkt, l2_size) - -- Either the packet has the "more fragments" flag set, - -- or the fragment offset is non-zero, or both. - local flags_and_frag_offset = ntohs(rd16(pkt.data + l2_size + constants.o_ipv4_flags)) - return band(flags_and_frag_offset, flag_more_fragments_mask) ~= 0 or - band(flags_and_frag_offset, frag_offset_field_mask) ~= 0 -end - - -REASSEMBLE_OK = 1 -REASSEMBLE_INVALID = 2 -REASSEMBLE_MISSING_FRAGMENT = 3 - - -function reassemble(fragments, l2_size) - local flags_and_frag_offset_offset = l2_size + constants.o_ipv4_flags - table.sort(fragments, function (pkt1, pkt2) - local pkt1_offset = band(ntohs(rd16(pkt1.data + flags_and_frag_offset_offset)), - frag_offset_field_mask) - local pkt2_offset = band(ntohs(rd16(pkt2.data + flags_and_frag_offset_offset)), - frag_offset_field_mask) - return pkt1_offset < pkt2_offset - end) - - -- Check that first fragment has a 0 as fragment offset. - if band(ntohs(rd16(fragments[1].data + flags_and_frag_offset_offset)), - frag_offset_field_mask) ~= 0 - then - return REASSEMBLE_MISSING_FRAGMENT - end - - -- Check that the last fragment does not have "more fragments" flag set - if band(ntohs(rd16(fragments[#fragments].data + flags_and_frag_offset_offset)), - flag_more_fragments_mask) ~= 0 - then - return REASSEMBLE_MISSING_FRAGMENT - end - - local ihl = get_ihl_from_offset(fragments[1], l2_size) - local header_size = l2_size + ihl - local frag_id_offset = l2_size + constants.o_ipv4_identification - local frag_id = rd16(fragments[1].data + frag_id_offset) - local packet_size = fragments[1].length - local fragment_lengths = { packet_size - header_size } - local fragment_offsets = { 0 } - local status = REASSEMBLE_OK - - for i = 2, #fragments do - local fragment = fragments[i] - - -- Check whether: - -- 1. All fragmented packets have the same IHL - -- 2. Fragmented packets have the same identification - if get_ihl_from_offset(fragment, l2_size) ~= ihl or - rd16(fragment.data + frag_id_offset) ~= frag_id - then - status = REASSEMBLE_INVALID - break - end - - -- 3. The "more fragments" flag is set (except for last fragment) - local flags_and_frag_offset = ntohs(rd16(fragment.data + flags_and_frag_offset_offset)) - if band(flags_and_frag_offset, flag_more_fragments_mask) == 0 then - if i ~= #fragments then - status = REASSEMBLE_INVALID - break - end - end - - -- 4. The offset of the fragment matches the expected one - fragment_lengths[i] = fragment.length - header_size - fragment_offsets[i] = band(flags_and_frag_offset, frag_offset_field_mask) * 8 - if fragment_offsets[i] ~= fragment_offsets[i - 1] + fragment_lengths[i - 1] then - if fragment_offsets[i] > fragment_offsets[i - 1] + fragment_lengths[i - 1] then - return REASSEMBLE_MISSING_FRAGMENT - end - - -- TODO: Handle overlapping fragments - status = REASSEMBLE_INVALID - break - end - - -- 5. The resulting packet size does not exceed the maximum - packet_size = packet_size + fragment_lengths[i] - - if packet_size > constants.ipv4_max_packet_size then - status = REASSEMBLE_INVALID - break - end - end - - if status == REASSEMBLE_INVALID then - for _, fragment in ipairs(fragments) do - packet.free(fragment) - end - return REASSEMBLE_INVALID - end - - -- We have all the fragments and they are valid, we can now reassemble. - local pkt = packet.allocate() - ffi.copy(pkt.data, fragments[1].data, header_size) - for i = 1, #fragments do - ffi.copy(pkt.data + header_size + fragment_offsets[i], - fragments[i].data + header_size, - fragment_lengths[i]) - end - pkt.length = packet_size - - -- Set the total length field - local total_length_offset = l2_size + constants.o_ipv4_total_length - wr16(pkt.data + total_length_offset, htons(packet_size - header_size + ihl)) - - -- Clear fragmentation flags and offset, and fragmentation id - wr32(pkt.data + frag_id_offset, 0) - - -- Recalculate IP header checksum. - local ver_and_ihl_offset = l2_size + constants.o_ipv4_ver_and_ihl - local checksum_offset = l2_size + constants.o_ipv4_checksum - wr16(pkt.data + checksum_offset, 0) - wr16(pkt.data + checksum_offset, - htons(ipsum(pkt.data + ver_and_ihl_offset, ihl, 0))) - - return REASSEMBLE_OK, pkt -end diff --git a/src/apps/lwaftr/fragmentv4_hardened.lua b/src/apps/lwaftr/fragmentv4_hardened.lua new file mode 100644 index 0000000000..5afd6e41e5 --- /dev/null +++ b/src/apps/lwaftr/fragmentv4_hardened.lua @@ -0,0 +1,305 @@ +module(..., package.seeall) + +local bit = require("bit") +local constants = require("apps.lwaftr.constants") +local ctable = require('lib.ctable') +local ffi = require('ffi') +local lwutil = require("apps.lwaftr.lwutil") +local C = ffi.C +local packet = require("core.packet") +local lib = require("core.lib") +local ipsum = require("lib.checksum").ipsum + +REASSEMBLY_OK = 1 +FRAGMENT_MISSING = 2 +REASSEMBLY_INVALID = 3 + +-- IPv4 reassembly with RFC 5722's recommended exclusion of overlapping packets. +-- Defined in RFC 791. + +-- Possible TODOs: +-- TODO: implement a timeout, and associated ICMP iff the fragment +-- with offset 0 was received +-- TODO: handle silently discarding fragments that arrive later if +-- an overlapping fragment was detected (keep a list for a few minutes?) +-- TODO: handle packets of > 10240 octets correctly... +-- TODO: test every branch of this + +local ehs, o_ipv4_identification, o_ipv4_flags, +o_ipv4_checksum, o_ipv4_total_length, o_ipv4_src_addr, o_ipv4_dst_addr = +constants.ethernet_header_size, constants.o_ipv4_identification, +constants.o_ipv4_flags, constants.o_ipv4_checksum, +constants.o_ipv4_total_length, constants.o_ipv4_src_addr, +constants.o_ipv4_dst_addr + +local hash_32 = ctable.hash_32 +local rd16, wr16, wr32 = lwutil.rd16, lwutil.wr16, lwutil.wr32 +local get_ihl_from_offset = lwutil.get_ihl_from_offset +local uint16_ptr_t = ffi.typeof("uint16_t*") +local bxor, band = bit.bxor, bit.band +local packet_payload_size = C.PACKET_PAYLOAD_SIZE +local ntohs, htons = lib.ntohs, lib.htons + +local ipv4_fragment_key_t = ffi.typeof[[ + struct { + uint8_t src_addr[4]; + uint8_t dst_addr[4]; + uint32_t fragment_id; + } __attribute__((packed)) +]] + +-- The fragment_starts and fragment_ends buffers are big enough for +-- non-malicious input. If a fragment requires more slots, refuse to +-- reassemble it. +local max_frags_per_packet +local ipv4_reassembly_buffer_t +local scratch_rbuf +local scratch_fragkey = ipv4_fragment_key_t() + +local function get_frag_len(frag) + return ntohs(rd16(frag.data + ehs + o_ipv4_total_length)) +end + +local function get_frag_id(frag) + local o_id = ehs + o_ipv4_identification + return ntohs(rd16(frag.data + o_id)) +end + +-- The most significant three bits are other information, and the +-- offset is expressed in 8-octet units, so just mask them off and * 8 it. +local function get_frag_start(frag) + local o_fstart = ehs + o_ipv4_flags + local raw_start = ntohs(rd16(frag.data + o_fstart)) + return band(raw_start, 0x1fff) * 8 +end + +-- This is the 'MF' bit of the IPv4 fragment header; it's the 3rd bit +-- of the flags. +local function is_last_fragment(frag) + local o_flag = ehs + o_ipv4_flags + return band(frag.data[o_flag], 0x20) == 0 +end + +local function get_key(fragment) + local key = scratch_fragkey + local o_src = ehs + o_ipv4_src_addr + local o_dst = ehs + o_ipv4_dst_addr + local o_id = ehs + o_ipv4_identification + ffi.copy(key.src_addr, fragment.data + o_src, 4) + ffi.copy(key.dst_addr, fragment.data + o_dst, 4) + key.fragment_id = ntohs(rd16(fragment.data + o_id)) + return key +end + +local function free_reassembly_buf_and_pkt(pkt, frags_table) + local key = get_key(pkt) + frags_table:remove(key, false) + packet.free(pkt) +end + +local function swap(array, i, j) + local tmp = array[j] + array[j] = array[i] + array[i] = tmp +end + +-- This is an insertion sort, and only called on 2+ element arrays +local function sort_array(array, last_index) + for i=0,last_index do + local j = i + while j > 0 and array[j-1] > array[j] do + swap(array, j, j-1) + j = j - 1 + end + end +end + +local function verify_valid_offsets(reassembly_buf) + if reassembly_buf.fragment_starts[0] ~= 0 then + return false + end + for i=1,reassembly_buf.fragment_count-1 do + if reassembly_buf.fragment_starts[i] ~= reassembly_buf.fragment_ends[i-1] then + return false + end + end + return true +end + +local function reassembly_status(reassembly_buf) + if reassembly_buf.final_start == 0 then + return FRAGMENT_MISSING + end + if reassembly_buf.running_length ~= reassembly_buf.reassembly_packet.length then + return FRAGMENT_MISSING + end + if not verify_valid_offsets(reassembly_buf) then + return REASSEMBLY_INVALID + end + return REASSEMBLY_OK +end + +-- IPv4 requires recalculating an embedded checksum. +local function fix_pkt_checksum(pkt) + local ihl = get_ihl_from_offset(pkt, ehs) + local checksum_offset = ehs + o_ipv4_checksum + wr16(pkt.data + checksum_offset, 0) + wr16(pkt.data + checksum_offset, + htons(ipsum(pkt.data + ehs, ihl, 0))) +end + +local function attempt_reassembly(frags_table, reassembly_buf, fragment) + local ihl = get_ihl_from_offset(fragment, ehs) + local reassembly_pkt = reassembly_buf.reassembly_packet + local frag_id = get_frag_id(fragment) + if frag_id ~= reassembly_buf.fragment_id then -- unreachable + assert(false, "Impossible case reached in v4 reassembly") --REASSEMBLY_INVALID + end + + local frag_start = get_frag_start(fragment) + local frag_size = get_frag_len(fragment) - ihl + local fcount = reassembly_buf.fragment_count + if fcount + 1 > max_frags_per_packet then + -- too many fragments to reassembly this packet, assume malice + free_reassembly_buf_and_pkt(fragment, frags_table) + return REASSEMBLY_INVALID + end + reassembly_buf.fragment_starts[fcount] = frag_start + reassembly_buf.fragment_ends[fcount] = frag_start + frag_size + if reassembly_buf.fragment_starts[fcount] < + reassembly_buf.fragment_starts[fcount - 1] then + sort_array(reassembly_buf.fragment_starts, fcount) + sort_array(reassembly_buf.fragment_ends, fcount) + end + reassembly_buf.fragment_count = fcount + 1 + if is_last_fragment(fragment) then + if reassembly_buf.final_start ~= 0 then + -- There cannot be 2+ final fragments + free_reassembly_buf_and_pkt(fragment, frags_table) + return REASSEMBLY_INVALID + else + reassembly_buf.final_start = frag_start + end + end + + -- This is a massive layering violation. :/ + -- Specifically, it requires this file to know the details of struct packet. + local skip_headers = reassembly_buf.reassembly_base + local dst_offset = skip_headers + frag_start + local last_ok = packet_payload_size - reassembly_pkt.headroom + if dst_offset + frag_size > last_ok then + -- Prevent a buffer overflow. The relevant RFC allows hosts to silently discard + -- reassemblies above a certain rather small size, smaller than this. + return REASSEMBLY_INVALID + end + ffi.copy(reassembly_pkt.data + dst_offset, + fragment.data + skip_headers, + frag_size) + local max_data_offset = skip_headers + frag_start + frag_size + reassembly_pkt.length = math.max(reassembly_pkt.length, max_data_offset) + reassembly_buf.running_length = reassembly_buf.running_length + frag_size + + local restatus = reassembly_status(reassembly_buf) + if restatus == REASSEMBLY_OK then + local o_len = ehs + o_ipv4_total_length + wr16(reassembly_pkt.data + o_len, htons(reassembly_pkt.length - ehs)) + fix_pkt_checksum(reassembly_pkt) + local reassembled_packet = packet.clone(reassembly_buf.reassembly_packet) + free_reassembly_buf_and_pkt(fragment, frags_table) + return REASSEMBLY_OK, reassembled_packet + else + packet.free(fragment) + return restatus + end +end + +local function packet_to_reassembly_buffer(pkt) + local reassembly_buf = scratch_rbuf + C.memset(reassembly_buf, 0, ffi.sizeof(ipv4_reassembly_buffer_t)) + local ihl = get_ihl_from_offset(pkt, ehs) + reassembly_buf.fragment_id = get_frag_id(pkt) + reassembly_buf.reassembly_base = ehs + ihl + + local tmplen = pkt.length + pkt.length = ehs + ihl + local repkt = reassembly_buf.reassembly_packet + packet.clone_to_memory(repkt, pkt) + wr32(repkt.data + ehs + o_ipv4_identification, 0) -- Clear fragmentation data + reassembly_buf.running_length = pkt.length + pkt.length = tmplen + return reassembly_buf +end + +-- The key is 80 bits: source IPv4 address, destination IPv4 address, and +-- the 16-bit identification field. +-- This function intentionally re-hashes 3 of the 5 16-byte chunks. +local function hash_ipv4(key) + local hash = 0 + local to_hash = ffi.cast(uint16_ptr_t, key) + for i=0,3 do + local current = to_hash[i] + hash = hash_32(bxor(hash, hash_32(current))) + end + + return hash +end + +function initialize_frag_table(max_fragmented_packets, max_pkt_frag) + -- Initialize module-scoped variables + max_frags_per_packet = max_pkt_frag + ipv4_reassembly_buffer_t = ffi.typeof([[ + struct { + uint16_t fragment_starts[$]; + uint16_t fragment_ends[$]; + uint16_t fragment_count; + uint16_t final_start; + uint16_t reassembly_base; + uint16_t fragment_id; + uint32_t running_length; + struct packet reassembly_packet; + } __attribute((packed))]], + max_frags_per_packet, max_frags_per_packet) + scratch_rbuf = ipv4_reassembly_buffer_t() + + local max_occupy = 0.9 + local params = { + key_type = ffi.typeof(ipv4_fragment_key_t), + value_type = ffi.typeof(ipv4_reassembly_buffer_t), + hash_fn = hash_ipv4, + initial_size = math.ceil(max_fragmented_packets / max_occupy), + max_occupancy_rate = max_occupy + } + return ctable.new(params) +end + +function cache_fragment(frags_table, fragment) + local key = get_key(fragment) + local ptr = frags_table:lookup_ptr(key) + if not ptr then + local reassembly_buf = packet_to_reassembly_buffer(fragment) + frags_table:add_with_random_ejection(key, reassembly_buf, false) + ptr = frags_table:lookup_ptr(key) + end + return attempt_reassembly(frags_table, ptr.value, fragment) +end + +function selftest() + initialize_frag_table(20, 20) + local rbuf1 = ffi.new(ipv4_reassembly_buffer_t) + local rbuf2 = ffi.new(ipv4_reassembly_buffer_t) + rbuf1.fragment_starts[0] = 10 + rbuf1.fragment_starts[1] = 100 + rbuf2.fragment_starts[0] = 100 + rbuf2.fragment_starts[1] = 10 + sort_array(rbuf1.fragment_starts, 1) + sort_array(rbuf2.fragment_starts, 1) + assert(0 == C.memcmp(rbuf1.fragment_starts, rbuf2.fragment_starts, 4)) + + local rbuf3 = ffi.new(ipv4_reassembly_buffer_t) + rbuf3.fragment_starts[0] = 5 + rbuf3.fragment_starts[1] = 10 + rbuf3.fragment_starts[2] = 100 + rbuf1.fragment_starts[2] = 5 + sort_array(rbuf1.fragment_starts, 2) + assert(0 == C.memcmp(rbuf1.fragment_starts, rbuf3.fragment_starts, 6)) +end diff --git a/src/apps/lwaftr/fragmentv4_test.lua b/src/apps/lwaftr/fragmentv4_test.lua index 14e090bdd7..42a239f08b 100644 --- a/src/apps/lwaftr/fragmentv4_test.lua +++ b/src/apps/lwaftr/fragmentv4_test.lua @@ -3,6 +3,7 @@ if type((...)) == "string" then module(..., package.seeall) end local constants = require("apps.lwaftr.constants") local fragmentv4 = require("apps.lwaftr.fragmentv4") +local fragv4_h = require("apps.lwaftr.fragmentv4_hardened") local eth_proto = require("lib.protocol.ethernet") local ip4_proto = require("lib.protocol.ipv4") local lwutil = require("apps.lwaftr.lwutil") @@ -58,7 +59,6 @@ local function make_ipv4_packet(payload_size, vlan_id) -- We do not fill up the rest of the packet: random contents works fine -- because we are testing IP fragmentation, so there's no need to care -- about upper layers. - return pkt end @@ -163,9 +163,7 @@ function test_payload_1200_mtu_1000() local pkt = assert(make_ipv4_packet(1200)) -- Keep a copy of the packet, for comparisons - local orig_pkt = packet.allocate() - orig_pkt.length = pkt.length - ffi.copy(orig_pkt.data, pkt.data, pkt.length) + local orig_pkt = packet.clone(pkt) assert(pkt.length > 1200, "packet short than payload size") local ehs = constants.ethernet_header_size @@ -189,10 +187,7 @@ function test_payload_1200_mtu_400() local pkt = assert(make_ipv4_packet(1200)) -- Keep a copy of the packet, for comparisons - local orig_pkt = packet.allocate() - orig_pkt.length = pkt.length - ffi.copy(orig_pkt.data, pkt.data, pkt.length) - + local orig_pkt = packet.clone(pkt) local ehs = constants.ethernet_header_size local code, result = fragmentv4.fragment(pkt, ehs, 400 - ehs) assert(code == fragmentv4.FRAGMENT_OK) @@ -249,8 +244,7 @@ function test_reassemble_pattern_fragments() local pkt = make_ipv4_packet(1046 - ip4_proto:sizeof() - eth_proto:sizeof()) pattern_fill(pkt.data + ip4_proto:sizeof() + eth_proto:sizeof(), pkt.length - ip4_proto:sizeof() - eth_proto:sizeof()) - local orig_pkt = packet.allocate() - ffi.copy(orig_pkt.data, pkt.data, pkt.length) + local orig_packet = packet.clone(pkt) local code, result = fragmentv4.fragment(pkt, constants.ethernet_header_size, 520) assert(code == fragmentv4.FRAGMENT_OK) @@ -279,9 +273,7 @@ function test_vlan_tagging() assert(eth_header_size(pkt) == constants.ethernet_header_size + 4) -- Keep a copy of the packet, for comparisons - local orig_pkt = packet.allocate() - orig_pkt.length = pkt.length - ffi.copy(orig_pkt.data, pkt.data, pkt.length) + local orig_pkt = packet.clone(pkt) local vehs = constants.ethernet_header_size + 4 local code, result = fragmentv4.fragment(pkt, vehs, 1000 - vehs) @@ -299,26 +291,6 @@ function test_vlan_tagging() end -function test_reassemble_unneeded(vlan_id) - print("test: no reassembly needed (single packet)") - - local eth_size = eth_proto:sizeof() - if vlan_id then - eth_size = eth_size + 4 - end - local pkt = make_ipv4_packet(500 - ip4_proto:sizeof() - eth_size, vlan_id) - assert(pkt.length == 500) - pattern_fill(pkt.data + ip4_proto:sizeof() + eth_size, - pkt.length - ip4_proto:sizeof() - eth_size) - - local code, r = fragmentv4.reassemble({ pkt }, eth_size) - assert(code == fragmentv4.REASSEMBLE_OK) - assert(r.length == pkt.length) - pattern_check(r.data + ip4_proto:sizeof() + eth_size, - r.length - ip4_proto:sizeof() - eth_size) -end - - function test_reassemble_two_missing_fragments(vlan_id) print("test: two fragments (one missing)") local pkt = assert(make_ipv4_packet(1200), vlan_id) @@ -327,10 +299,12 @@ function test_reassemble_two_missing_fragments(vlan_id) assert(code == fragmentv4.FRAGMENT_OK) assert(#fragments == 2) - assert(fragmentv4.REASSEMBLE_MISSING_FRAGMENT == - (fragmentv4.reassemble({ fragments[1] }, eth_size))) - assert(fragmentv4.REASSEMBLE_MISSING_FRAGMENT == - (fragmentv4.reassemble({ fragments[2] }, eth_size))) + local frag_table = fragv4_h.initialize_frag_table(20, 5) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[1]))) + frag_table = fragv4_h.initialize_frag_table(20, 5) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[2]))) end @@ -338,30 +312,59 @@ function test_reassemble_three_missing_fragments(vlan_id) print("test: three fragments (one/two missing)") local pkt = assert(make_ipv4_packet(1000)) local eth_size = eth_header_size(pkt) - local code, fragments = fragmentv4.fragment(pkt, eth_size, 400) + local code, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) assert(code == fragmentv4.FRAGMENT_OK) assert(#fragments == 3) - assert(fragmentv4.REASSEMBLE_MISSING_FRAGMENT == - (fragmentv4.reassemble({ fragments[1] }, eth_size))) - assert(fragmentv4.REASSEMBLE_MISSING_FRAGMENT == - (fragmentv4.reassemble({ fragments[2] }, eth_size))) - assert(fragmentv4.REASSEMBLE_MISSING_FRAGMENT == - (fragmentv4.reassemble({ fragments[3] }, eth_size))) - - assert(fragmentv4.REASSEMBLE_MISSING_FRAGMENT == - (fragmentv4.reassemble({ fragments[1], fragments[2] }, eth_size))) - assert(fragmentv4.REASSEMBLE_MISSING_FRAGMENT == - (fragmentv4.reassemble({ fragments[1], fragments[3] }, eth_size))) - assert(fragmentv4.REASSEMBLE_MISSING_FRAGMENT == - (fragmentv4.reassemble({ fragments[3], fragments[3] }, eth_size))) - - assert(fragmentv4.REASSEMBLE_MISSING_FRAGMENT == - (fragmentv4.reassemble({ fragments[2], fragments[1] }, eth_size))) - assert(fragmentv4.REASSEMBLE_MISSING_FRAGMENT == - (fragmentv4.reassemble({ fragments[3], fragments[1] }, eth_size))) - assert(fragmentv4.REASSEMBLE_MISSING_FRAGMENT == - (fragmentv4.reassemble({ fragments[2], fragments[3] }, eth_size))) + local frag_table = fragv4_h.initialize_frag_table(20, 5) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[1]))) + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + frag_table = fragv4_h.initialize_frag_table(20, 5) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[2]))) + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + frag_table = fragv4_h.initialize_frag_table(20, 5) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[3]))) + + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + frag_table = fragv4_h.initialize_frag_table(20, 5) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[1]))) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[2]))) + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + frag_table = fragv4_h.initialize_frag_table(20, 5) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[1]))) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[3]))) + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + frag_table = fragv4_h.initialize_frag_table(20, 5) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[2]))) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[3]))) + + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + frag_table = fragv4_h.initialize_frag_table(20, 5) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[2]))) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[1]))) + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + frag_table = fragv4_h.initialize_frag_table(20, 5) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[3]))) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[1]))) + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + frag_table = fragv4_h.initialize_frag_table(20, 5) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[2]))) + assert(fragv4_h.FRAGMENT_MISSING == + (fragv4_h.cache_fragment(frag_table, fragments[3]))) end @@ -372,26 +375,37 @@ function test_reassemble_two(vlan_id) local eth_size = eth_header_size(pkt) -- Keep a copy of the packet, for comparisons - local orig_pkt = packet.allocate() - orig_pkt.length = pkt.length - ffi.copy(orig_pkt.data, pkt.data, pkt.length) + local orig_pkt = packet.clone(pkt) + -- A single error above this can lead to packets being on the freelist twice... + assert(pkt ~= orig_pkt, "packets must be different") - local code, fragments = fragmentv4.fragment(pkt, eth_size, 1000) + local code, fragments = fragmentv4.fragment(packet.clone(orig_pkt), eth_size, 1000) assert(code == fragmentv4.FRAGMENT_OK) assert(#fragments == 2) + assert(fragments[1].length ~= 0, "fragment[1] length must not be 0") + assert(fragments[2].length ~= 0, "fragment[2] length must not be 0") local function try(f) - local code, pkt = fragmentv4.reassemble(f, eth_size) - assert(code == fragmentv4.REASSEMBLE_OK, "returned: " .. code) + local frag_table = fragv4_h.initialize_frag_table(20, 5) + local code, pkt + for i=1,#f do + code, pkt = fragv4_h.cache_fragment(frag_table, f[i]) + end + assert(code == fragv4_h.REASSEMBLY_OK, "returned: " .. code) assert(pkt.length == orig_pkt.length) for i = 1, pkt.length do - assert(pkt.data[i] == orig_pkt.data[i], - "byte["..i.."] expected="..orig_pkt.data[i].." got="..pkt.data[i]) + if i ~= 24 and i ~= 25 then + assert(pkt.data[i] == orig_pkt.data[i], + "byte["..i.."] expected="..orig_pkt.data[i].." got="..pkt.data[i]) + end end end try { fragments[1], fragments[2] } + _, fragments = fragmentv4.fragment(packet.clone(orig_pkt), eth_size, 1000) + assert(fragments[1].length ~= 0, "fragment[1] length must not be 0") + assert(fragments[2].length ~= 0, "fragment[2] length must not be 0") try { fragments[2], fragments[1] } end @@ -402,31 +416,41 @@ function test_reassemble_three(vlan_id) local eth_size = eth_header_size(pkt) -- Keep a copy of the packet, for comparisons - local orig_pkt = packet.allocate() - orig_pkt.length = pkt.length - ffi.copy(orig_pkt.data, pkt.data, pkt.length) + local orig_pkt = packet.clone(pkt) - local code, fragments = fragmentv4.fragment(pkt, eth_size, 400) + local code, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) assert(code == fragmentv4.FRAGMENT_OK) assert(#fragments == 3) + assert(orig_pkt.length == 1034, "wtf") local function try(f) - local code, pkt = fragmentv4.reassemble(f, eth_size) - assert(code == fragmentv4.REASSEMBLE_OK, "returned: " .. code) + local frag_table = fragv4_h.initialize_frag_table(20, 5) + local code, pkt + for i=1,#f do + code, pkt = fragv4_h.cache_fragment(frag_table, f[i]) + end + assert(code == fragv4_h.REASSEMBLY_OK, "returned: " .. code) assert(pkt.length == orig_pkt.length) for i = 1, pkt.length do - assert(pkt.data[i] == orig_pkt.data[i], - "byte["..i.."] expected="..orig_pkt.data[i].." got="..pkt.data[i]) + if i ~= 24 and i ~= 25 then + assert(pkt.data[i] == orig_pkt.data[i], + "byte["..i.."] expected="..orig_pkt.data[i].." got="..pkt.data[i]) + end end end try { fragments[1], fragments[2], fragments[3] } + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) try { fragments[2], fragments[3], fragments[1] } + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) try { fragments[3], fragments[1], fragments[2] } + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) try { fragments[3], fragments[2], fragments[1] } + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) try { fragments[2], fragments[1], fragments[3] } + _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) try { fragments[1], fragments[3], fragments[2] } end @@ -445,8 +469,7 @@ function selftest() if vlan_id then suffix = " (vlan id=" .. vlan_id .. ")" end - print("test: lwaftr.fragmentv4.reassemble_ipv4" .. suffix) - test_reassemble_unneeded(vlan_id) + print("test: lwaftr.fragv4_h.cache_fragment_ipv4" .. suffix) test_reassemble_two_missing_fragments(vlan_id) test_reassemble_three_missing_fragments(vlan_id) test_reassemble_two(vlan_id) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index a832bd1dfc..74e9a08187 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -3,6 +3,7 @@ module(..., package.seeall) local arp = require("apps.lwaftr.arp") local constants = require("apps.lwaftr.constants") local fragmentv4 = require("apps.lwaftr.fragmentv4") +local fragv4_h = require("apps.lwaftr.fragmentv4_hardened") local lwutil = require("apps.lwaftr.lwutil") local icmp = require("apps.lwaftr.icmp") @@ -12,22 +13,26 @@ local checksum = require("lib.checksum") local packet = require("core.packet") local bit = require("bit") local ffi = require("ffi") +local lib = require("core.lib") local receive, transmit = link.receive, link.transmit local rd16, wr16, rd32, wr32 = lwutil.rd16, lwutil.wr16, lwutil.rd32, lwutil.wr32 local get_ihl_from_offset, htons = lwutil.get_ihl_from_offset, lwutil.htons -local is_fragment = fragmentv4.is_fragment +local ntohs = lib.ntohs +local band = bit.band local n_ethertype_ipv4 = constants.n_ethertype_ipv4 local o_ipv4_identification = constants.o_ipv4_identification local o_ipv4_src_addr = constants.o_ipv4_src_addr local o_ipv4_dst_addr = constants.o_ipv4_dst_addr - -local ethernet_header_size = constants.ethernet_header_size -local o_ipv4_ver_and_ihl = ethernet_header_size + constants.o_ipv4_ver_and_ihl -local o_ipv4_checksum = ethernet_header_size + constants.o_ipv4_checksum -local o_icmpv4_msg_type_sans_ihl = ethernet_header_size + constants.o_icmpv4_msg_type -local o_icmpv4_checksum_sans_ihl = ethernet_header_size + constants.o_icmpv4_checksum +local o_ethernet_ethertype = constants.o_ethernet_ethertype +local o_ipv4_flags = constants.o_ipv4_flags + +local ehs = constants.ethernet_header_size +local o_ipv4_ver_and_ihl = ehs + constants.o_ipv4_ver_and_ihl +local o_ipv4_checksum = ehs + constants.o_ipv4_checksum +local o_icmpv4_msg_type_sans_ihl = ehs + constants.o_icmpv4_msg_type +local o_icmpv4_checksum_sans_ihl = ehs + constants.o_icmpv4_checksum local icmpv4_echo_request = constants.icmpv4_echo_request local icmpv4_echo_reply = constants.icmpv4_echo_reply @@ -39,65 +44,42 @@ ICMPEcho = {} function Reassembler:new(conf) local o = setmetatable({}, {__index=Reassembler}) o.conf = conf + o.ctab = fragv4_h.initialize_frag_table(conf.max_ipv4_reassembly_packets, + conf.max_fragments_per_reassembly_packet) - if conf.vlan_tagging then - o.l2_size = ethernet_header_size + 4 - o.ethertype_offset = constants.o_ethernet_ethertype + 4 - else - o.l2_size = ethernet_header_size - o.ethertype_offset = constants.o_ethernet_ethertype - end - o.fragment_cache = {} return o end -function Reassembler:key_frag(frag) - local frag_id = rd16(frag.data + self.l2_size + o_ipv4_identification) - local src_ip = ffi.string(frag.data + self.l2_size + o_ipv4_src_addr, 4) - local dst_ip = ffi.string(frag.data + self.l2_size + o_ipv4_dst_addr, 4) - return frag_id .. "|" .. src_ip .. dst_ip +local function is_ipv4(pkt) + return rd16(pkt.data + o_ethernet_ethertype) == n_ethertype_ipv4 end -function Reassembler:cache_fragment(frag) - local cache = self.fragment_cache - local key = self:key_frag(frag) - cache[key] = cache[key] or {} - table.insert(cache[key], frag) - return cache[key] +local function is_fragment(pkt) + -- Either the packet has the "more fragments" flag set, + -- or the fragment offset is non-zero, or both. + local flag_more_fragments_mask = 0x2000 + local non_zero_offset = 0x1FFF + local flags_and_frag_offset = ntohs(rd16(pkt.data + ehs + o_ipv4_flags)) + return band(flags_and_frag_offset, flag_more_fragments_mask) ~= 0 or + band(flags_and_frag_offset, non_zero_offset) ~= 0 end -function Reassembler:clean_fragment_cache(frags) - local key = self:key_frag(frags[1]) - self.fragment_cache[key] = nil - for _, p in ipairs(frags) do - packet.free(p) - end -end - -local function is_ipv4(pkt, ethertype_offset) - return rd16(pkt.data + ethertype_offset) == n_ethertype_ipv4 +function Reassembler:cache_fragment(fragment) + return fragv4_h.cache_fragment(self.ctab, fragment) end function Reassembler:push () local input, output = self.input.input, self.output.output local errors = self.output.errors - local l2_size = self.l2_size - local ethertype_offset = self.ethertype_offset - for _=1,math.min(link.nreadable(input), link.nwritable(output)) do local pkt = receive(input) - if is_ipv4(pkt, ethertype_offset) and is_fragment(pkt, l2_size) then - local frags = self:cache_fragment(pkt) - local status, maybe_pkt = fragmentv4.reassemble(frags, l2_size) - if status == fragmentv4.REASSEMBLE_OK then - -- Reassembly was successful - self:clean_fragment_cache(frags) + if is_ipv4(pkt) and is_fragment(pkt) then + local status, maybe_pkt = self:cache_fragment(pkt) + if status == fragv4_h.REASSEMBLY_OK then -- Reassembly was successful transmit(output, maybe_pkt) - elseif status == fragmentv4.REASSEMBLE_MISSING_FRAGMENT then - -- Nothing to do, just wait. - elseif status == fragmentv4.REASSEMBLE_INVALID then - self:clean_fragment_cache(frags) + elseif status == fragv4_h.FRAGMENT_MISSING then -- Nothing to do, wait. + elseif status == fragv4_h.REASSEMBLY_INVALID then if maybe_pkt then -- This is an ICMP packet transmit(errors, maybe_pkt) end @@ -118,10 +100,10 @@ function Fragmenter:new(conf) o.mtu = assert(conf.mtu) if conf.vlan_tagging then - o.l2_size = ethernet_header_size + 4 + o.l2_size = ehs + 4 o.ethertype_offset = constants.o_ethernet_ethertype + 4 else - o.l2_size = ethernet_header_size + o.l2_size = ehs o.ethertype_offset = constants.o_ethernet_ethertype end @@ -245,11 +227,11 @@ function ICMPEcho:push() local out, pkt = l_out, receive(l_in) if icmp.is_icmpv4_message(pkt, icmpv4_echo_request, 0) then - local pkt_ipv4 = ipv4:new_from_mem(pkt.data + ethernet_header_size, - pkt.length - ethernet_header_size) + local pkt_ipv4 = ipv4:new_from_mem(pkt.data + ehs, + pkt.length - ehs) local pkt_ipv4_dst = rd32(pkt_ipv4:dst()) if self.addresses[pkt_ipv4_dst] then - ethernet:new_from_mem(pkt.data, ethernet_header_size):swap() + ethernet:new_from_mem(pkt.data, ehs):swap() -- Swap IP source/destination pkt_ipv4:dst(pkt_ipv4:src()) @@ -264,7 +246,7 @@ function ICMPEcho:push() -- Recalculate checksums wr16(pkt.data + o_icmpv4_checksum_sans_ihl + ihl, 0) - local icmp_offset = ethernet_header_size + ihl + local icmp_offset = ehs + ihl local csum = checksum.ipsum(pkt.data + icmp_offset, pkt.length - icmp_offset, 0) wr16(pkt.data + o_icmpv4_checksum_sans_ihl + ihl, htons(csum)) wr16(pkt.data + o_ipv4_checksum, 0) diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index 9627ae76ba..546a818fb4 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -20,7 +20,7 @@ function lwaftr_app(c, conf) local function append(t, elem) table.insert(t, elem) end local function prepend(t, elem) table.insert(t, 1, elem) end - config.app(c, "reassemblerv4", ipv4_apps.Reassembler, {}) + config.app(c, "reassemblerv4", ipv4_apps.Reassembler, conf) config.app(c, "reassemblerv6", ipv6_apps.ReassembleV6, conf) config.app(c, "icmpechov4", ipv4_apps.ICMPEcho, { address = conf.aftr_ipv4_ip }) config.app(c, 'lwaftr', lwaftr.LwAftr, conf) diff --git a/src/program/lwaftr/tests/data/add-vlan.sh b/src/program/lwaftr/tests/data/add-vlan.sh index ff50a87ead..d6c6592ead 100755 --- a/src/program/lwaftr/tests/data/add-vlan.sh +++ b/src/program/lwaftr/tests/data/add-vlan.sh @@ -38,6 +38,7 @@ V4=( tcp-ipv4-2ipv6frags-reassembled.pcap tcp-ipv4-2ipv6frags-reassembled-1p.pcap tcp-ipv4-3frags-bound.pcap + tcp-ipv4-3frags-bound-reversed.pcap tcp-ipv4-toinet-2fragments.pcap tcp-ipv4-toinet-3fragments.pcap udp-afteraftr-ipv4-3frags.pcap diff --git a/src/program/lwaftr/tests/data/tcp-ipv4-3frags-bound-reversed.pcap b/src/program/lwaftr/tests/data/tcp-ipv4-3frags-bound-reversed.pcap new file mode 100644 index 0000000000000000000000000000000000000000..9a2b414c75d5c95e8d8f03fef4d3683aed2ece28 GIT binary patch literal 1600 zcmca|c+)~A1{MYw_+QV!zzE|2=@uXdgfqZE2n;wFTp1Y4oSYfj?AcybF)}f;Z1SJ> z(%iz*z|hFp#MI1elu46tfJKWH69WSXqsIx8j+3*3vpw4>c37N@M#yMt#Fi_GN=XdB dl;j0VNgRI|0${oVm=qYKcQP=H=JwH|4gk1yLdF09 literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/data/vlan/tcp-ipv4-3frags-bound-reversed.pcap b/src/program/lwaftr/tests/data/vlan/tcp-ipv4-3frags-bound-reversed.pcap new file mode 100644 index 0000000000000000000000000000000000000000..a25800522e6b5f5bf9e8a24f16b8e69e3a61a5b6 GIT binary patch literal 1612 zcmca|c+)~A1{MYw`2U}Qff2?5(j7n!2xowS5EwKvu()tAxH2%7IXN@5*|WW>Vq{`w z+2lX%rMZQrfuWJHiK&^{D3d1P0E-$sCI$u&#uhJ3I!?|C&h~7l*kSQ98Y!bG5?jtB hIyEr>Q Date: Mon, 22 Aug 2016 18:18:38 +0200 Subject: [PATCH 147/340] Nits, halved default packet reassembly table size --- src/apps/lwaftr/conf.lua | 4 ++-- src/apps/lwaftr/fragmentv4_hardened.lua | 2 +- src/apps/lwaftr/fragmentv6_hardened.lua | 2 +- src/apps/lwaftr/ipv4_apps.lua | 5 +---- 4 files changed, 5 insertions(+), 8 deletions(-) diff --git a/src/apps/lwaftr/conf.lua b/src/apps/lwaftr/conf.lua index e253fda32a..8abc74620b 100644 --- a/src/apps/lwaftr/conf.lua +++ b/src/apps/lwaftr/conf.lua @@ -85,8 +85,8 @@ local lwaftr_conf_spec = { ipv4_mtu=default(1460), ipv6_mtu=default(1500), max_fragments_per_reassembly_packet=default(40), - max_ipv4_reassembly_packets=default(40000), -- Just under a gig of memory - max_ipv6_reassembly_packets=default(40000), -- Just under a gig of memory + max_ipv4_reassembly_packets=default(20000), -- Just under 500 megs memory + max_ipv6_reassembly_packets=default(20000), -- Just under 500 megs memory next_hop_ipv4_addr = required_at_least_one_of('next_hop_ipv4_addr', 'inet_mac'), next_hop_ipv6_addr = required_at_least_one_of('next_hop_ipv6_addr', 'next_hop6_mac'), policy_icmpv4_incoming=default(policies.ALLOW), diff --git a/src/apps/lwaftr/fragmentv4_hardened.lua b/src/apps/lwaftr/fragmentv4_hardened.lua index 5afd6e41e5..5f49d62bd3 100644 --- a/src/apps/lwaftr/fragmentv4_hardened.lua +++ b/src/apps/lwaftr/fragmentv4_hardened.lua @@ -153,7 +153,7 @@ local function attempt_reassembly(frags_table, reassembly_buf, fragment) local reassembly_pkt = reassembly_buf.reassembly_packet local frag_id = get_frag_id(fragment) if frag_id ~= reassembly_buf.fragment_id then -- unreachable - assert(false, "Impossible case reached in v4 reassembly") --REASSEMBLY_INVALID + error("Impossible case reached in v4 reassembly") --REASSEMBLY_INVALID end local frag_start = get_frag_start(fragment) diff --git a/src/apps/lwaftr/fragmentv6_hardened.lua b/src/apps/lwaftr/fragmentv6_hardened.lua index e9ebc2386b..05a682d9c8 100644 --- a/src/apps/lwaftr/fragmentv6_hardened.lua +++ b/src/apps/lwaftr/fragmentv6_hardened.lua @@ -150,7 +150,7 @@ local function attempt_reassembly(frags_table, reassembly_buf, fragment) local reassembly_pkt = reassembly_buf.reassembly_packet local frag_id = get_frag_id(fragment) if frag_id ~= reassembly_buf.fragment_id then -- unreachable - error(false, "Impossible case reached in v6 reassembly") --REASSEMBLY_INVALID + error("Impossible case reached in v6 reassembly") --REASSEMBLY_INVALID end local frag_start = get_frag_start(fragment) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index 74e9a08187..8f95938cc5 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -18,6 +18,7 @@ local lib = require("core.lib") local receive, transmit = link.receive, link.transmit local rd16, wr16, rd32, wr32 = lwutil.rd16, lwutil.wr16, lwutil.rd32, lwutil.wr32 local get_ihl_from_offset, htons = lwutil.get_ihl_from_offset, lwutil.htons +local is_ipv4 = lwutil.is_ipv4 local ntohs = lib.ntohs local band = bit.band @@ -50,10 +51,6 @@ function Reassembler:new(conf) return o end -local function is_ipv4(pkt) - return rd16(pkt.data + o_ethernet_ethertype) == n_ethertype_ipv4 -end - local function is_fragment(pkt) -- Either the packet has the "more fragments" flag set, -- or the fragment offset is non-zero, or both. From 7334ad8a21373f9d0a6ce59500d28cf2d4d9abbe Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Tue, 23 Aug 2016 16:14:33 +0200 Subject: [PATCH 148/340] Remove obsolete l2_size approach Our codebase now relies on vlan tags being stripped/inserted nearer the edges of the app network. --- src/apps/lwaftr/fragmentv4.lua | 21 +++++---- src/apps/lwaftr/fragmentv4_test.lua | 72 +++++++++-------------------- src/apps/lwaftr/fragmentv6.lua | 13 +++--- src/apps/lwaftr/icmp.lua | 41 ++++++++-------- src/apps/lwaftr/ipv4_apps.lua | 18 ++------ src/apps/lwaftr/ipv6_apps.lua | 24 ++-------- src/apps/lwaftr/lwaftr.lua | 11 ++--- src/apps/lwaftr/lwheader.lua | 9 +--- 8 files changed, 77 insertions(+), 132 deletions(-) diff --git a/src/apps/lwaftr/fragmentv4.lua b/src/apps/lwaftr/fragmentv4.lua index a2db3520c3..037b9c175c 100644 --- a/src/apps/lwaftr/fragmentv4.lua +++ b/src/apps/lwaftr/fragmentv4.lua @@ -12,6 +12,7 @@ local rd16, wr16, get_ihl_from_offset = lwutil.rd16, lwutil.wr16, lwutil.get_ihl local band, bor = bit.band, bit.bor local ntohs, htons = lib.ntohs, lib.htons local ceil = math.ceil +local ehs = constants.ethernet_header_size -- Constants to manipulate the flags next to the frag-offset field directly -- as a 16-bit integer, without needing to shift the 3 flag bits. @@ -56,17 +57,17 @@ FRAGMENT_FORBIDDEN = 3 -- its size is bigger than "mtu" bytes. Client code may want to return -- an ICMP Datagram Too Big (Type 3, Code 4) packet back to the sender. -- -function fragment(ipv4_pkt, l2_size, mtu) - if ipv4_pkt.length - l2_size <= mtu then +function fragment(ipv4_pkt, mtu) + if ipv4_pkt.length - ehs <= mtu then return FRAGMENT_UNNEEDED, ipv4_pkt end - local l2_mtu = mtu + l2_size + local l2_mtu = mtu + ehs - local ver_and_ihl_offset = l2_size + constants.o_ipv4_ver_and_ihl - local total_length_offset = l2_size + constants.o_ipv4_total_length - local frag_id_offset = l2_size + constants.o_ipv4_identification - local flags_and_frag_offset_offset = l2_size + constants.o_ipv4_flags - local checksum_offset = l2_size + constants.o_ipv4_checksum + local ver_and_ihl_offset = ehs + constants.o_ipv4_ver_and_ihl + local total_length_offset = ehs + constants.o_ipv4_total_length + local frag_id_offset = ehs + constants.o_ipv4_identification + local flags_and_frag_offset_offset = ehs + constants.o_ipv4_flags + local checksum_offset = ehs + constants.o_ipv4_checksum -- Discard packets with the DF (dont't fragment) flag set do local flags_and_frag_offset = ntohs(rd16(ipv4_pkt.data + flags_and_frag_offset_offset)) @@ -75,8 +76,8 @@ function fragment(ipv4_pkt, l2_size, mtu) end end - local ihl = get_ihl_from_offset(ipv4_pkt, l2_size) - local header_size = l2_size + ihl + local ihl = get_ihl_from_offset(ipv4_pkt, ehs) + local header_size = ehs + ihl local payload_size = ipv4_pkt.length - header_size -- Payload bytes per packet must be a multiple of 8 local payload_bytes_per_packet = band(l2_mtu - header_size, 0xFFF8) diff --git a/src/apps/lwaftr/fragmentv4_test.lua b/src/apps/lwaftr/fragmentv4_test.lua index 42a239f08b..6bea35ef5f 100644 --- a/src/apps/lwaftr/fragmentv4_test.lua +++ b/src/apps/lwaftr/fragmentv4_test.lua @@ -152,7 +152,7 @@ function test_payload_1200_mtu_1500() print("test: payload=1200 mtu=1500") local pkt = assert(make_ipv4_packet(1200)) - local code, result = fragmentv4.fragment(pkt, constants.ethernet_header_size, 1500) + local code, result = fragmentv4.fragment(pkt, 1500) assert(code == fragmentv4.FRAGMENT_UNNEEDED) assert(pkt == result) end @@ -167,7 +167,7 @@ function test_payload_1200_mtu_1000() assert(pkt.length > 1200, "packet short than payload size") local ehs = constants.ethernet_header_size - local code, result = fragmentv4.fragment(pkt, ehs, 1000 - ehs) + local code, result = fragmentv4.fragment(pkt, 1000 - ehs) assert(code == fragmentv4.FRAGMENT_OK) assert(#result == 2, "fragmentation returned " .. #result .. " packets (2 expected)") @@ -189,7 +189,7 @@ function test_payload_1200_mtu_400() -- Keep a copy of the packet, for comparisons local orig_pkt = packet.clone(pkt) local ehs = constants.ethernet_header_size - local code, result = fragmentv4.fragment(pkt, ehs, 400 - ehs) + local code, result = fragmentv4.fragment(pkt, 400 - ehs) assert(code == fragmentv4.FRAGMENT_OK) assert(#result == 4, "fragmentation returned " .. #result .. " packets (4 expected)") @@ -216,7 +216,7 @@ function test_dont_fragment_flag() local ip4_header = ip4_proto:new_from_mem(pkt.data + eth_proto:sizeof(), pkt.length - eth_proto:sizeof()) ip4_header:flags(0x2) -- Set "don't fragment" - local code, result = fragmentv4.fragment(pkt, constants.ethernet_header_size, 500) + local code, result = fragmentv4.fragment(pkt, 500) assert(code == fragmentv4.FRAGMENT_FORBIDDEN) assert(type(result) == "nil") end @@ -246,7 +246,7 @@ function test_reassemble_pattern_fragments() pkt.length - ip4_proto:sizeof() - eth_proto:sizeof()) local orig_packet = packet.clone(pkt) - local code, result = fragmentv4.fragment(pkt, constants.ethernet_header_size, 520) + local code, result = fragmentv4.fragment(pkt, 520) assert(code == fragmentv4.FRAGMENT_OK) assert(#result == 3) @@ -266,36 +266,11 @@ function test_reassemble_pattern_fragments() end -function test_vlan_tagging() - print("test: vlan tagging") - - local pkt = assert(make_ipv4_packet(1200, 42)) - assert(eth_header_size(pkt) == constants.ethernet_header_size + 4) - - -- Keep a copy of the packet, for comparisons - local orig_pkt = packet.clone(pkt) - - local vehs = constants.ethernet_header_size + 4 - local code, result = fragmentv4.fragment(pkt, vehs, 1000 - vehs) - assert(code == fragmentv4.FRAGMENT_OK) - assert(#result == 2, "fragmentation returned " .. #result .. " packets (2 expected)") - - for i = 1, #result do - assert(result[i].length <= 1000, "packet " .. i .. " longer than MTU") - local is_last = (i == #result) - check_packet_fragment(orig_pkt, result[i], is_last) - end - - assert(pkt_payload_size(result[1]) + pkt_payload_size(result[2]) == 1200) - assert(pkt_payload_size(result[1]) == pkt_frag_offset(result[2])) -end - - function test_reassemble_two_missing_fragments(vlan_id) print("test: two fragments (one missing)") local pkt = assert(make_ipv4_packet(1200), vlan_id) local eth_size = eth_header_size(pkt) - local code, fragments = fragmentv4.fragment(pkt, eth_size, 1000) + local code, fragments = fragmentv4.fragment(pkt, 1000) assert(code == fragmentv4.FRAGMENT_OK) assert(#fragments == 2) @@ -312,54 +287,54 @@ function test_reassemble_three_missing_fragments(vlan_id) print("test: three fragments (one/two missing)") local pkt = assert(make_ipv4_packet(1000)) local eth_size = eth_header_size(pkt) - local code, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + local code, fragments = fragmentv4.fragment(packet.clone(pkt), 400) assert(code == fragmentv4.FRAGMENT_OK) assert(#fragments == 3) local frag_table = fragv4_h.initialize_frag_table(20, 5) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[1]))) - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) frag_table = fragv4_h.initialize_frag_table(20, 5) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[2]))) - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) frag_table = fragv4_h.initialize_frag_table(20, 5) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[3]))) - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) frag_table = fragv4_h.initialize_frag_table(20, 5) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[1]))) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[2]))) - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) frag_table = fragv4_h.initialize_frag_table(20, 5) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[1]))) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[3]))) - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) frag_table = fragv4_h.initialize_frag_table(20, 5) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[2]))) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[3]))) - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) frag_table = fragv4_h.initialize_frag_table(20, 5) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[2]))) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[1]))) - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) frag_table = fragv4_h.initialize_frag_table(20, 5) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[3]))) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[1]))) - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) frag_table = fragv4_h.initialize_frag_table(20, 5) assert(fragv4_h.FRAGMENT_MISSING == (fragv4_h.cache_fragment(frag_table, fragments[2]))) @@ -379,7 +354,7 @@ function test_reassemble_two(vlan_id) -- A single error above this can lead to packets being on the freelist twice... assert(pkt ~= orig_pkt, "packets must be different") - local code, fragments = fragmentv4.fragment(packet.clone(orig_pkt), eth_size, 1000) + local code, fragments = fragmentv4.fragment(packet.clone(orig_pkt), 1000) assert(code == fragmentv4.FRAGMENT_OK) assert(#fragments == 2) assert(fragments[1].length ~= 0, "fragment[1] length must not be 0") @@ -403,7 +378,7 @@ function test_reassemble_two(vlan_id) end try { fragments[1], fragments[2] } - _, fragments = fragmentv4.fragment(packet.clone(orig_pkt), eth_size, 1000) + _, fragments = fragmentv4.fragment(packet.clone(orig_pkt), 1000) assert(fragments[1].length ~= 0, "fragment[1] length must not be 0") assert(fragments[2].length ~= 0, "fragment[2] length must not be 0") try { fragments[2], fragments[1] } @@ -418,7 +393,7 @@ function test_reassemble_three(vlan_id) -- Keep a copy of the packet, for comparisons local orig_pkt = packet.clone(pkt) - local code, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + local code, fragments = fragmentv4.fragment(packet.clone(pkt), 400) assert(code == fragmentv4.FRAGMENT_OK) assert(#fragments == 3) assert(orig_pkt.length == 1034, "wtf") @@ -441,16 +416,16 @@ function test_reassemble_three(vlan_id) end try { fragments[1], fragments[2], fragments[3] } - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) try { fragments[2], fragments[3], fragments[1] } - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) try { fragments[3], fragments[1], fragments[2] } - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) try { fragments[3], fragments[2], fragments[1] } - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) try { fragments[2], fragments[1], fragments[3] } - _, fragments = fragmentv4.fragment(packet.clone(pkt), eth_size, 400) + _, fragments = fragmentv4.fragment(packet.clone(pkt), 400) try { fragments[1], fragments[3], fragments[2] } end @@ -462,7 +437,6 @@ function selftest() test_payload_1200_mtu_400() test_dont_fragment_flag() test_reassemble_pattern_fragments() - test_vlan_tagging() local function testall(vlan_id) local suffix = " (no vlan tag)" diff --git a/src/apps/lwaftr/fragmentv6.lua b/src/apps/lwaftr/fragmentv6.lua index bbbf80e046..ee13188a37 100644 --- a/src/apps/lwaftr/fragmentv6.lua +++ b/src/apps/lwaftr/fragmentv6.lua @@ -11,6 +11,7 @@ local band, bor, lshift, rshift = bit.band, bit.bor, bit.lshift, bit.rshift local C = ffi.C local wr16, wr32 = lwutil.wr16, lwutil.wr32 local htons, htonl = lwutil.htons, lwutil.htonl +local ehs = constants.ethernet_header_size -- IPv6 fragmentation, as per https://tools.ietf.org/html/rfc5722 -- TODO: consider security/performance tradeoffs of randomization @@ -21,7 +22,7 @@ local function fresh_frag_id() end local function write_frag_header(pkt_data, unfrag_header_size, next_header, - frag_offset, more_frags, frag_id) + frag_offset, more_frags, frag_id) pkt_data[unfrag_header_size] = next_header pkt_data[unfrag_header_size + 1] = 0 -- Reserved; 0 by specification -- 2 bytes: 13 bits frag_offset, 2 0 reserved bits, 'M' (more_frags) @@ -37,11 +38,11 @@ end -- TODO: enforce a lower bound mtu of 1280, as per the spec? -- Packets have two parts: an 'unfragmentable' set of headers, and a -- fragmentable payload. -function fragment(ipv6_pkt, unfrag_header_size, l2_size, mtu) - if ipv6_pkt.length - l2_size <= mtu then +function fragment(ipv6_pkt, unfrag_header_size, mtu) + if ipv6_pkt.length - ehs <= mtu then return ipv6_pkt -- No fragmentation needed end - l2_mtu = mtu + l2_size + local l2_mtu = mtu + ehs local more = 1 -- TODO: carefully evaluate the boundary conditions here @@ -62,7 +63,7 @@ function fragment(ipv6_pkt, unfrag_header_size, l2_size, mtu) local frag_id = fresh_frag_id() write_frag_header(ipv6_pkt.data, unfrag_header_size, fnext_header, 0, more, frag_id) ipv6_pkt.data[next_header_idx] = constants.ipv6_frag - wr16(ipv6_pkt.data + l2_size + constants.o_ipv6_payload_len, + wr16(ipv6_pkt.data + ehs + constants.o_ipv6_payload_len, htons(payload_bytes_per_packet + constants.ipv6_frag_header_size)) local raw_frag_offset = payload_bytes_per_packet @@ -89,7 +90,7 @@ function fragment(ipv6_pkt, unfrag_header_size, l2_size, mtu) ffi.copy(last_pkt.data + new_header_size, ipv6_pkt.data + new_header_size + raw_frag_offset, last_payload_len) - wr16(last_pkt.data + l2_size + constants.o_ipv6_payload_len, + wr16(last_pkt.data + ehs + constants.o_ipv6_payload_len, htons(last_payload_len + constants.ipv6_frag_header_size)) last_pkt.length = new_header_size + last_payload_len pkts[num_packets] = last_pkt diff --git a/src/apps/lwaftr/icmp.lua b/src/apps/lwaftr/icmp.lua index 7def8ef9cf..ed57b0f9bf 100644 --- a/src/apps/lwaftr/icmp.lua +++ b/src/apps/lwaftr/icmp.lua @@ -31,17 +31,18 @@ local o_icmpv4_msg_code_sans_ihl = constants.ethernet_header_size + constants.o_ local o_ipv6_next_header = constants.ethernet_header_size + constants.o_ipv6_next_header local o_icmpv6_msg_type = constants.ethernet_header_size + constants.ipv6_fixed_header_size + constants.o_icmpv6_msg_type local o_icmpv6_msg_code = constants.ethernet_header_size + constants.ipv6_fixed_header_size + constants.o_icmpv6_msg_code +local ehs = constants.ethernet_header_size -local function calculate_payload_size(dst_pkt, initial_pkt, l2_size, max_size, config) - local original_bytes_to_skip = l2_size +local function calculate_payload_size(dst_pkt, initial_pkt, max_size, config) + local original_bytes_to_skip = ehs if config.extra_payload_offset then original_bytes_to_skip = original_bytes_to_skip + config.extra_payload_offset end local payload_size = initial_pkt.length - original_bytes_to_skip local non_payload_bytes = dst_pkt.length + constants.icmp_base_size local full_pkt_size = payload_size + non_payload_bytes - if full_pkt_size > max_size + l2_size then - full_pkt_size = max_size + l2_size + if full_pkt_size > max_size + ehs then + full_pkt_size = max_size + ehs payload_size = full_pkt_size - non_payload_bytes end return payload_size, original_bytes_to_skip, non_payload_bytes @@ -51,9 +52,9 @@ end -- Config must contain code and type -- Config may contain a 'next_hop_mtu' setting. -local function write_icmp(dst_pkt, initial_pkt, l2_size, max_size, base_checksum, config) +local function write_icmp(dst_pkt, initial_pkt, max_size, base_checksum, config) local payload_size, original_bytes_to_skip, non_payload_bytes = - calculate_payload_size(dst_pkt, initial_pkt, l2_size, max_size, config) + calculate_payload_size(dst_pkt, initial_pkt, max_size, config) local off = dst_pkt.length dst_pkt.data[off] = config.type dst_pkt.data[off + 1] = config.code @@ -78,7 +79,7 @@ local function to_datagram(pkt) end -- initial_pkt is the one to embed (a subset of) in the ICMP payload -function new_icmpv4_packet(from_eth, to_eth, from_ip, to_ip, initial_pkt, l2_size, config) +function new_icmpv4_packet(from_eth, to_eth, from_ip, to_ip, initial_pkt, config) local new_pkt = packet.allocate() local dgram = to_datagram(new_pkt) local ipv4_header = ipv4:new({ttl = constants.default_ttl, @@ -86,20 +87,20 @@ function new_icmpv4_packet(from_eth, to_eth, from_ip, to_ip, initial_pkt, l2_siz src = from_ip, dst = to_ip}) dgram:push(ipv4_header) ipv4_header:free() - packet.shiftright(new_pkt, l2_size) + packet.shiftright(new_pkt, ehs) write_eth_header(new_pkt.data, from_eth, to_eth, constants.n_ethertype_ipv4, config.vlan_tag) -- Generate RFC 1812 ICMPv4 packets, which carry as much payload as they can, -- rather than RFC 792 packets, which only carry the original IPv4 header + 8 octets - write_icmp(new_pkt, initial_pkt, l2_size, constants.max_icmpv4_packet_size, 0, config) + write_icmp(new_pkt, initial_pkt, constants.max_icmpv4_packet_size, 0, config) -- Fix up the IPv4 total length and checksum - local new_ipv4_len = new_pkt.length - l2_size - local ip_tl_p = new_pkt.data + l2_size + constants.o_ipv4_total_length + local new_ipv4_len = new_pkt.length - ehs + local ip_tl_p = new_pkt.data + ehs + constants.o_ipv4_total_length wr16(ip_tl_p, ntohs(new_ipv4_len)) - local ip_checksum_p = new_pkt.data + l2_size + constants.o_ipv4_checksum + local ip_checksum_p = new_pkt.data + ehs + constants.o_ipv4_checksum wr16(ip_checksum_p, 0) -- zero out the checksum before recomputing - local csum = checksum.ipsum(new_pkt.data + l2_size, new_ipv4_len, 0) + local csum = checksum.ipsum(new_pkt.data + ehs, new_ipv4_len, 0) wr16(ip_checksum_p, htons(csum)) return new_pkt @@ -119,25 +120,25 @@ function is_icmpv4_message(pkt, msg_type, msg_code) end end -function new_icmpv6_packet(from_eth, to_eth, from_ip, to_ip, initial_pkt, l2_size, config) +function new_icmpv6_packet(from_eth, to_eth, from_ip, to_ip, initial_pkt, config) local new_pkt = packet.allocate() local dgram = to_datagram(new_pkt) local ipv6_header = ipv6:new({hop_limit = constants.default_ttl, next_header = constants.proto_icmpv6, src = from_ip, dst = to_ip}) dgram:push(ipv6_header) - packet.shiftright(new_pkt, l2_size) - write_eth_header(new_pkt.data, from_eth, to_eth, constants.n_ethertype_ipv6, config.vlan_tag) + packet.shiftright(new_pkt, ehs) + write_eth_header(new_pkt.data, from_eth, to_eth, constants.n_ethertype_ipv6) local max_size = constants.max_icmpv6_packet_size - local ph_len = calculate_payload_size(new_pkt, initial_pkt, l2_size, max_size, config) + constants.icmp_base_size + local ph_len = calculate_payload_size(new_pkt, initial_pkt, max_size, config) + constants.icmp_base_size local ph = ipv6_header:pseudo_header(ph_len, constants.proto_icmpv6) local ph_csum = checksum.ipsum(ffi.cast("uint8_t*", ph), ffi.sizeof(ph), 0) local ph_csum = band(bnot(ph_csum), 0xffff) - write_icmp(new_pkt, initial_pkt, l2_size, max_size, ph_csum, config) + write_icmp(new_pkt, initial_pkt, max_size, ph_csum, config) - local new_ipv6_len = new_pkt.length - (constants.ipv6_fixed_header_size + l2_size) - local ip_pl_p = new_pkt.data + l2_size + constants.o_ipv6_payload_len + local new_ipv6_len = new_pkt.length - (constants.ipv6_fixed_header_size + ehs) + local ip_pl_p = new_pkt.data + ehs + constants.o_ipv6_payload_len wr16(ip_pl_p, ntohs(new_ipv6_len)) ipv6_header:free() diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index 8f95938cc5..4d9376dbc0 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -93,31 +93,19 @@ end function Fragmenter:new(conf) local o = setmetatable({}, {__index=Fragmenter}) o.conf = conf - o.mtu = assert(conf.mtu) - - if conf.vlan_tagging then - o.l2_size = ehs + 4 - o.ethertype_offset = constants.o_ethernet_ethertype + 4 - else - o.l2_size = ehs - o.ethertype_offset = constants.o_ethernet_ethertype - end - return o end function Fragmenter:push () local input, output = self.input.input, self.output.output - local errors = self.output.errors - local l2_size, mtu = self.l2_size, self.mtu - local ethertype_offset = self.ethertype_offset + local mtu = self.mtu for _=1,link.nreadable(input) do local pkt = receive(input) - if pkt.length > mtu + l2_size and is_ipv4(pkt, ethertype_offset) then - local status, frags = fragmentv4.fragment(pkt, l2_size, mtu) + if pkt.length > mtu + ehs and is_ipv4(pkt) then + local status, frags = fragmentv4.fragment(pkt, mtu) if status == fragmentv4.FRAGMENT_OK then for i=1,#frags do transmit(output, frags[i]) end else diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 48e9be3ed6..7203a2e6b8 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -15,8 +15,6 @@ local bit = require("bit") local ffi = require("ffi") local C = ffi.C - - local receive, transmit = link.receive, link.transmit local rd16, wr16, htons = lwutil.rd16, lwutil.wr16, lwutil.htons @@ -33,6 +31,7 @@ local o_icmpv6_msg_type = o_icmpv6_header + constants.o_icmpv6_msg_type local o_icmpv6_checksum = o_icmpv6_header + constants.o_icmpv6_checksum local icmpv6_echo_request = constants.icmpv6_echo_request local icmpv6_echo_reply = constants.icmpv6_echo_reply +local ehs = constants.ethernet_header_size ReassembleV6 = {} Fragmenter = {} @@ -89,38 +88,25 @@ end function Fragmenter:new(conf) local o = setmetatable({}, {__index=Fragmenter}) o.conf = conf - o.mtu = assert(conf.mtu) - - if conf.vlan_tagging then - o.l2_size = constants.ethernet_header_size + 4 - o.ethertype_offset = constants.o_ethernet_ethertype + 4 - else - o.l2_size = constants.ethernet_header_size - o.ethertype_offset = constants.o_ethernet_ethertype - end - return o end function Fragmenter:push () local input, output = self.input.input, self.output.output - local errors = self.output.errors - local l2_size, mtu = self.l2_size, self.mtu - local ethertype_offset = self.ethertype_offset + local mtu = self.mtu for _=1,link.nreadable(input) do local pkt = receive(input) - if pkt.length > mtu + l2_size and is_ipv6(pkt, ethertype_offset) then + if pkt.length > mtu + ehs and is_ipv6(pkt) then -- It's possible that the IPv6 packet has an IPv4 packet as -- payload, and that payload has the Don't Fragment flag set. -- However ignore this; the fragmentation policy of the L3 -- protocol (in this case, IP) doesn't affect the L2 protocol. -- We always fragment. - local unfragmentable_header_size = l2_size + ipv6_fixed_header_size - local pkts = fragmentv6.fragment(pkt, unfragmentable_header_size, - l2_size, mtu) + local unfragmentable_header_size = ehs + ipv6_fixed_header_size + local pkts = fragmentv6.fragment(pkt, unfragmentable_header_size, mtu) for i=1,#pkts do transmit(output, pkts[i]) end diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index c29b7d7df0..ff2700a5c3 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -507,7 +507,7 @@ local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, pkt_src_link) } local icmp_dis = icmp.new_icmpv4_packet( lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, - to_ip, pkt, ethernet_header_size, icmp_config) + to_ip, pkt, icmp_config) drop_ipv4(lwstate, pkt, pkt_src_link) return transmit_icmpv4_reply(lwstate, icmp_dis, pkt) @@ -530,7 +530,7 @@ local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt) } local b4fail_icmp = icmp.new_icmpv6_packet( lwstate.aftr_mac_b4_side, lwstate.next_hop6_mac, lwstate.aftr_ipv6_ip, - ipv6_src_addr, pkt, ethernet_header_size, icmp_config) + ipv6_src_addr, pkt, icmp_config) drop(pkt) transmit_icmpv6_reply(lwstate.o6, b4fail_icmp) end @@ -560,8 +560,7 @@ local function cannot_fragment_df_packet_error(lwstate, pkt) next_hop_mtu = lwstate.ipv6_mtu - constants.ipv6_fixed_header_size, } return icmp.new_icmpv4_packet(lwstate.aftr_mac_inet_side, lwstate.inet_mac, - lwstate.aftr_ipv4_ip, dst_ip, pkt, - ethernet_header_size, icmp_config) + lwstate.aftr_ipv4_ip, dst_ip, pkt, icmp_config) end local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_src_link) @@ -582,7 +581,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr } local reply = icmp.new_icmpv4_packet( lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, - dst_ip, pkt, ethernet_header_size, icmp_config) + dst_ip, pkt, icmp_config) drop_ipv4(lwstate, pkt, pkt_src_link) return transmit_icmpv4_reply(lwstate, reply, pkt) @@ -777,7 +776,7 @@ local function tunnel_unreachable(lwstate, pkt, code, next_hop_mtu) local dst_ip = get_ipv4_src_address_ptr(embedded_ipv4_header) local icmp_reply = icmp.new_icmpv4_packet(lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, dst_ip, pkt, - ethernet_header_size, icmp_config) + icmp_config) return icmp_reply end diff --git a/src/apps/lwaftr/lwheader.lua b/src/apps/lwaftr/lwheader.lua index fb9e3cac17..10bda8b035 100644 --- a/src/apps/lwaftr/lwheader.lua +++ b/src/apps/lwaftr/lwheader.lua @@ -23,16 +23,11 @@ local ntohs, ntohl = htons, htonl -- payload lengths should be in host byte order. -- next_hdr_type and dscp_and_ecn are <= 1 byte, so byte order is irrelevant. -function write_eth_header(dst_ptr, ether_src, ether_dst, eth_type, vlan_tag) +function write_eth_header(dst_ptr, ether_src, ether_dst, eth_type) local eth_hdr = cast(ethernet_header_ptr_type, dst_ptr) eth_hdr.ether_shost = ether_src eth_hdr.ether_dhost = ether_dst - if vlan_tag then -- TODO: don't have bare constant offsets here - wr32(dst_ptr + 12, vlan_tag) - wr16(dst_ptr + 16, eth_type) - else - eth_hdr.ether_type = eth_type - end + eth_hdr.ether_type = eth_type end function write_ipv6_header(dst_ptr, ipv6_src, ipv6_dst, dscp_and_ecn, next_hdr_type, payload_length) From 16102b332aa800af65c5d71079f1066c01f99d36 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Thu, 25 Aug 2016 00:14:02 +0200 Subject: [PATCH 149/340] Fragmentation counters, for IPv4 and IPv6 This also includes a facility to regenerate test counter files. --- src/apps/lwaftr/dump.lua | 8 +- src/apps/lwaftr/fragmentv4_hardened.lua | 11 +- src/apps/lwaftr/fragmentv6_hardened.lua | 11 +- src/apps/lwaftr/ipv4_apps.lua | 22 ++- src/apps/lwaftr/ipv6_apps.lua | 20 ++- src/apps/lwaftr/lwaftr.lua | 112 +-------------- src/apps/lwaftr/lwcounter.lua | 130 ++++++++++++++++++ src/apps/lwaftr/lwutil.lua | 7 + src/lib/ctable.lua | 15 +- src/program/lwaftr/check/check.lua | 28 +++- src/program/lwaftr/setup.lua | 8 +- .../tests/data/counters/arp-for-next-hop.lua | 5 + .../data/counters/drop-misplaced-ipv4.lua | 2 + .../counters/drop-no-source-softwire-ipv6.lua | 9 -- .../lwaftr/tests/data/counters/empty.lua | 1 - ...pv4-in-binding-big-packet-df-set-allow.lua | 19 +-- ...ipv4-in-binding-big-packet-df-set-drop.lua | 14 +- .../data/counters/from-to-b4-ipv6-hairpin.lua | 10 +- ...4-tunneled-icmpv4-ping-hairpin-unbound.lua | 20 +-- ...rom-to-b4-tunneled-icmpv4-ping-hairpin.lua | 10 +- .../data/counters/icmpv6-ping-and-reply.lua | 6 + ...1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua | 11 ++ .../data/counters/in-1p-ipv4-out-0p-drop.lua | 5 + .../counters/in-1p-ipv4-out-1p-icmpv4.lua | 19 +-- .../counters/in-1p-ipv4-out-1p-ipv6-1.lua | 5 +- .../counters/in-1p-ipv4-out-1p-ipv6-2.lua | 6 +- .../counters/in-1p-ipv4-out-1p-ipv6-3.lua | 5 +- .../counters/in-1p-ipv4-out-1p-ipv6-4.lua | 5 +- .../counters/in-1p-ipv4-out-1p-ipv6-5.lua | 2 + .../in-1p-ipv4-out-1p-ipv6-6-outfrags.lua | 10 ++ .../counters/in-1p-ipv4-out-1p-ipv6-6.lua | 5 +- .../counters/in-1p-ipv4-out-1p-ipv6-7.lua | 5 +- .../counters/in-1p-ipv4-out-1p-ipv6-8.lua | 5 +- .../counters/in-1p-ipv4-out-1p-ipv6-echo.lua | 11 ++ .../data/counters/in-1p-ipv4-out-none-1.lua | 12 +- .../data/counters/in-1p-ipv4-out-none-2.lua | 12 +- .../data/counters/in-1p-ipv4-out-none-3.lua | 12 +- .../data/counters/in-1p-ipv4-out-none-4.lua | 13 +- .../data/counters/in-1p-ipv6-out-0p-ipv4.lua | 4 + .../counters/in-1p-ipv6-out-1p-icmpv4-1.lua | 10 +- .../counters/in-1p-ipv6-out-1p-icmpv6-1.lua | 14 +- .../counters/in-1p-ipv6-out-1p-icmpv6-2.lua | 14 +- .../counters/in-1p-ipv6-out-1p-ipv4-1.lua | 5 +- .../counters/in-1p-ipv6-out-1p-ipv4-2.lua | 5 +- .../counters/in-1p-ipv6-out-1p-ipv4-3.lua | 6 +- .../in-1p-ipv6-out-1p-ipv4-4-and-echo.lua | 11 ++ .../counters/in-1p-ipv6-out-1p-ipv4-4.lua | 5 +- .../in-1p-ipv6-out-1p-ipv4-5-frags.lua | 11 ++ .../counters/in-1p-ipv6-out-1p-ipv4-5.lua | 6 +- ... => in-1p-ipv6-out-1p-ipv4-hoplimhair.lua} | 10 +- .../data/counters/in-1p-ipv6-out-none-1.lua | 12 +- .../data/counters/in-1p-ipv6-out-none-2.lua | 12 +- ...v4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua | 19 +-- ...in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua | 25 ++-- ...ndp-no-na-next-hop6-mac-not-set-2pkts.lua} | 11 +- .../ndp-no-na-next-hop6-mac-not-set-3pkts.lua | 15 ++ .../data/counters/ndp-ns-for-next-hop.lua | 5 + .../lwaftr/tests/data/counters/nofrag4.lua | 6 + .../tests/data/counters/nofrag6-sol.lua | 6 + .../lwaftr/tests/data/counters/nofrag6.lua | 5 + .../non-ipv4-traffic-to-ipv4-interface.lua | 7 +- .../non-ipv6-traffic-to-ipv6-interface.lua | 3 + .../data/counters/tcp-frominet-bound-ttl1.lua | 19 +-- .../tests/end-to-end/core-end-to-end.sh | 68 +++++---- .../tests/end-to-end/end-to-end-vlan.sh | 2 +- .../lwaftr/tests/end-to-end/end-to-end.sh | 2 +- 66 files changed, 610 insertions(+), 319 deletions(-) create mode 100644 src/apps/lwaftr/lwcounter.lua create mode 100644 src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua delete mode 100644 src/program/lwaftr/tests/data/counters/drop-no-source-softwire-ipv6.lua delete mode 100644 src/program/lwaftr/tests/data/counters/empty.lua create mode 100644 src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua create mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua create mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua create mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua create mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua create mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua create mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua rename src/program/lwaftr/tests/data/counters/{in-1p-ipv6-out-1p-icmpv4-2.lua => in-1p-ipv6-out-1p-ipv4-hoplimhair.lua} (50%) rename src/program/lwaftr/tests/data/counters/{ndp-no-na-next-hop6-mac-not-set.lua => ndp-no-na-next-hop6-mac-not-set-2pkts.lua} (53%) create mode 100644 src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua create mode 100644 src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua create mode 100644 src/program/lwaftr/tests/data/counters/nofrag4.lua create mode 100644 src/program/lwaftr/tests/data/counters/nofrag6-sol.lua create mode 100644 src/program/lwaftr/tests/data/counters/nofrag6.lua diff --git a/src/apps/lwaftr/dump.lua b/src/apps/lwaftr/dump.lua index 958d2cbc8e..45404c04ba 100644 --- a/src/apps/lwaftr/dump.lua +++ b/src/apps/lwaftr/dump.lua @@ -8,6 +8,7 @@ local stream = require("apps.lwaftr.stream") local CONF_FILE_DUMP = "/tmp/lwaftr-%d.conf" local BINDING_TABLE_FILE_DUMP = "/tmp/binding-table-%d.txt" +local write_to_file = require("apps.lwaftr.lwutil").write_to_file Dumper = {} @@ -88,13 +89,6 @@ local function do_dump_configuration (conf) return table.concat(result, "\n") end -local function write_to_file(filename, content) - local fd = assert(io.open(filename, "wt"), - ("Couldn't open file: '%s'"):format(filename)) - fd:write(content) - fd:close() -end - function dump_configuration(lwstate) local dest = (CONF_FILE_DUMP):format(os.time()) print(("Dump lwAFTR configuration: '%s'"):format(dest)) diff --git a/src/apps/lwaftr/fragmentv4_hardened.lua b/src/apps/lwaftr/fragmentv4_hardened.lua index 5f49d62bd3..b2c605d816 100644 --- a/src/apps/lwaftr/fragmentv4_hardened.lua +++ b/src/apps/lwaftr/fragmentv4_hardened.lua @@ -244,7 +244,7 @@ local function hash_ipv4(key) return hash end -function initialize_frag_table(max_fragmented_packets, max_pkt_frag) +function initialize_frag_table(max_fragmented_packets, max_pkt_frag, memuse_counter) -- Initialize module-scoped variables max_frags_per_packet = max_pkt_frag ipv4_reassembly_buffer_t = ffi.typeof([[ @@ -267,7 +267,8 @@ function initialize_frag_table(max_fragmented_packets, max_pkt_frag) value_type = ffi.typeof(ipv4_reassembly_buffer_t), hash_fn = hash_ipv4, initial_size = math.ceil(max_fragmented_packets / max_occupy), - max_occupancy_rate = max_occupy + max_occupancy_rate = max_occupy, + memuse_counter = memuse_counter } return ctable.new(params) end @@ -275,12 +276,14 @@ end function cache_fragment(frags_table, fragment) local key = get_key(fragment) local ptr = frags_table:lookup_ptr(key) + local ej = false if not ptr then local reassembly_buf = packet_to_reassembly_buffer(fragment) - frags_table:add_with_random_ejection(key, reassembly_buf, false) + _, ej = frags_table:add_with_random_ejection(key, reassembly_buf, false) ptr = frags_table:lookup_ptr(key) end - return attempt_reassembly(frags_table, ptr.value, fragment) + local status, maybe_pkt = attempt_reassembly(frags_table, ptr.value, fragment) + return status, maybe_pkt, ej end function selftest() diff --git a/src/apps/lwaftr/fragmentv6_hardened.lua b/src/apps/lwaftr/fragmentv6_hardened.lua index 3b71364829..9350278c1d 100644 --- a/src/apps/lwaftr/fragmentv6_hardened.lua +++ b/src/apps/lwaftr/fragmentv6_hardened.lua @@ -238,7 +238,7 @@ local function hash_ipv6(key) return hash end -function initialize_frag_table(max_fragmented_packets, max_pkt_frag) +function initialize_frag_table(max_fragmented_packets, max_pkt_frag, memuse_counter) -- Initialize module-scoped variables max_frags_per_packet = max_pkt_frag ipv6_reassembly_buffer_t = ffi.typeof([[ @@ -261,7 +261,8 @@ function initialize_frag_table(max_fragmented_packets, max_pkt_frag) value_type = ffi.typeof(ipv6_reassembly_buffer_t), hash_fn = hash_ipv6, initial_size = math.ceil(max_fragmented_packets / max_occupy), - max_occupancy_rate = max_occupy + max_occupancy_rate = max_occupy, + memuse_counter = memuse_counter } return ctable.new(params) end @@ -269,12 +270,14 @@ end function cache_fragment(frags_table, fragment) local key = get_key(fragment) local ptr = frags_table:lookup_ptr(key) + local ej = false if not ptr then local reassembly_buf = packet_to_reassembly_buffer(fragment) - frags_table:add_with_random_ejection(key, reassembly_buf, false) + _, ej = frags_table:add_with_random_ejection(key, reassembly_buf, false) ptr = frags_table:lookup_ptr(key) end - return attempt_reassembly(frags_table, ptr.value, fragment) + local status, maybe_pkt = attempt_reassembly(frags_table, ptr.value, fragment) + return status, maybe_pkt, ej end function selftest() diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index 4d9376dbc0..2765f94457 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -14,6 +14,7 @@ local packet = require("core.packet") local bit = require("bit") local ffi = require("ffi") local lib = require("core.lib") +local counter = require("core.counter") local receive, transmit = link.receive, link.transmit local rd16, wr16, rd32, wr32 = lwutil.rd16, lwutil.wr16, lwutil.rd32, lwutil.wr32 @@ -45,8 +46,10 @@ ICMPEcho = {} function Reassembler:new(conf) local o = setmetatable({}, {__index=Reassembler}) o.conf = conf + o.counters = conf.counters o.ctab = fragv4_h.initialize_frag_table(conf.max_ipv4_reassembly_packets, - conf.max_fragments_per_reassembly_packet) + conf.max_fragments_per_reassembly_packet, + {o.counters, "memuse-ipv4-frag-reassembly-buffer"}) return o end @@ -72,11 +75,18 @@ function Reassembler:push () for _=1,math.min(link.nreadable(input), link.nwritable(output)) do local pkt = receive(input) if is_ipv4(pkt) and is_fragment(pkt) then - local status, maybe_pkt = self:cache_fragment(pkt) + counter.add(self.counters["in-ipv4-frag-needsreassembly"]) + local status, maybe_pkt, ejected = self:cache_fragment(pkt) + if ejected then + counter.add(self.counters["drop-ipv4-frag-randomevicted"]) + end + if status == fragv4_h.REASSEMBLY_OK then -- Reassembly was successful + counter.add(self.counters["in-ipv4-frag-reassembled"]) transmit(output, maybe_pkt) elseif status == fragv4_h.FRAGMENT_MISSING then -- Nothing to do, wait. elseif status == fragv4_h.REASSEMBLY_INVALID then + counter.add(self.counters["drop-ipv4-frag-invalid-reassembly"]) if maybe_pkt then -- This is an ICMP packet transmit(errors, maybe_pkt) end @@ -85,6 +95,7 @@ function Reassembler:push () end else -- Forward all packets that aren't IPv4 fragments. + counter.add(self.counters["in-ipv4-frag-reassembly-unneeded"]) transmit(output, pkt) end end @@ -93,6 +104,7 @@ end function Fragmenter:new(conf) local o = setmetatable({}, {__index=Fragmenter}) o.conf = conf + o.counters = conf.counters o.mtu = assert(conf.mtu) return o end @@ -107,12 +119,16 @@ function Fragmenter:push () if pkt.length > mtu + ehs and is_ipv4(pkt) then local status, frags = fragmentv4.fragment(pkt, mtu) if status == fragmentv4.FRAGMENT_OK then - for i=1,#frags do transmit(output, frags[i]) end + for i=1,#frags do + counter.add(self.counters["out-ipv4-frag"]) + transmit(output, frags[i]) + end else -- TODO: send ICMPv4 info if allowed by policy packet.free(pkt) end else + counter.add(self.counters["out-ipv4-frag-not"]) transmit(output, pkt) end end diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 7203a2e6b8..153c8d08d1 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -11,6 +11,8 @@ local ethernet = require("lib.protocol.ethernet") local ipv6 = require("lib.protocol.ipv6") local checksum = require("lib.checksum") local packet = require("core.packet") +local counter = require("core.counter") + local bit = require("bit") local ffi = require("ffi") local C = ffi.C @@ -41,8 +43,11 @@ ICMPEcho = {} function ReassembleV6:new(conf) local o = setmetatable({}, {__index = ReassembleV6}) o.conf = conf + o.counters = conf.counters o.ctab = fragv6_h.initialize_frag_table(conf.max_ipv6_reassembly_packets, - conf.max_fragments_per_reassembly_packet) + conf.max_fragments_per_reassembly_packet, + {o.counters, "memuse-ipv6-frag-reassembly-buffer"}) + return o end @@ -66,12 +71,19 @@ function ReassembleV6:push () for _=1,link.nreadable(input) do local pkt = receive(input) if is_ipv6(pkt) and is_fragment(pkt) then - local status, maybe_pkt = self:cache_fragment(pkt) + counter.add(self.counters["in-ipv6-frag-needsreassembly"]) + local status, maybe_pkt, ejected = self:cache_fragment(pkt) + if ejected then + counter.add(self.counters["drop-ipv6-frag-randomevicted"]) + end + if status == fragv6_h.REASSEMBLY_OK then + counter.add(self.counters["in-ipv6-frag-reassembled"]) transmit(output, maybe_pkt) elseif status == fragv6_h.FRAGMENT_MISSING then -- Nothing useful to be done yet, continue elseif status == fragv6_h.REASSEMBLY_INVALID then + counter.add(self.counters["drop-ipv6-frag-invalid-reassembly"]) if maybe_pkt then -- This is an ICMP packet transmit(errors, maybe_pkt) end @@ -80,6 +92,7 @@ function ReassembleV6:push () end else -- Forward all packets that aren't IPv6 fragments. + counter.add(self.counters["in-ipv6-frag-reassembly-unneeded"]) transmit(output, pkt) end end @@ -88,6 +101,7 @@ end function Fragmenter:new(conf) local o = setmetatable({}, {__index=Fragmenter}) o.conf = conf + o.counters = conf.counters o.mtu = assert(conf.mtu) return o end @@ -108,9 +122,11 @@ function Fragmenter:push () local unfragmentable_header_size = ehs + ipv6_fixed_header_size local pkts = fragmentv6.fragment(pkt, unfragmentable_header_size, mtu) for i=1,#pkts do + counter.add(self.counters["out-ipv6-frag"]) transmit(output, pkts[i]) end else + counter.add(self.counters["out-ipv6-frag-not"]) transmit(output, pkt) end end diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index ff2700a5c3..28e2a1f57f 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -8,6 +8,7 @@ local lwconf = require("apps.lwaftr.conf") local lwdebug = require("apps.lwaftr.lwdebug") local lwheader = require("apps.lwaftr.lwheader") local lwutil = require("apps.lwaftr.lwutil") +local lwcounter = require("apps.lwaftr.lwcounter") local channel = require("apps.lwaftr.channel") local messages = require("apps.lwaftr.messages") @@ -16,7 +17,6 @@ local checksum = require("lib.checksum") local ethernet = require("lib.protocol.ethernet") local ipv6 = require("lib.protocol.ipv6") local ipv4 = require("lib.protocol.ipv4") -local shm = require("core.shm") local counter = require("core.counter") local packet = require("core.packet") local lib = require("core.lib") @@ -49,113 +49,6 @@ local n_ethertype_ipv4 = constants.n_ethertype_ipv4 local n_ethertype_ipv6 = constants.n_ethertype_ipv6 local ipv6_fixed_header_size = constants.ipv6_fixed_header_size --- COUNTERS --- The lwAFTR counters all live in the same directory, and their filenames are --- built out of ordered field values, separated by dashes. --- Fields: --- - direction: "in", "out", "hairpin", "drop"; --- If "direction" is "drop": --- - reason: reasons for dropping; --- - protocol+version: "icmpv4", "icmpv6", "ipv4", "ipv6"; --- - size: "bytes", "packets". -counters_dir = "app/lwaftr/counters/" --- Referenced by program/check/check.lua -counter_names = { - --- All incoming traffic. - "in-ipv4-bytes", - "in-ipv4-packets", - "in-ipv6-bytes", - "in-ipv6-packets", - --- Outgoing traffic, not including internally generated ICMP error packets. - "out-ipv4-bytes", - "out-ipv4-packets", - "out-ipv6-bytes", - "out-ipv6-packets", - --- Internally generated ICMP error packets. - "out-icmpv4-bytes", - "out-icmpv4-packets", - "out-icmpv6-bytes", - "out-icmpv6-packets", - --- Hairpinned traffic. - "hairpin-ipv4-bytes", - "hairpin-ipv4-packets", - --- Dropped v4 traffic. - --- All dropped traffic on the IPv4 interface. - "drop-all-ipv4-iface-bytes", - "drop-all-ipv4-iface-packets", --- On IPv4 link, but not IPv4. - "drop-misplaced-not-ipv4-bytes", - "drop-misplaced-not-ipv4-packets", --- No matching destination softwire. - "drop-no-dest-softwire-ipv4-bytes", - "drop-no-dest-softwire-ipv4-packets", --- TTL is zero. - "drop-ttl-zero-ipv4-bytes", - "drop-ttl-zero-ipv4-packets", --- Big packets exceeding MTU, but DF (Don't Fragment) flag set. - "drop-over-mtu-but-dont-fragment-ipv4-bytes", - "drop-over-mtu-but-dont-fragment-ipv4-packets", --- Bad checksum on ICMPv4 packets. - "drop-bad-checksum-icmpv4-bytes", - "drop-bad-checksum-icmpv4-packets", --- Incoming ICMPv4 packets with no destination (RFC 7596 section 8.1) - "drop-in-by-rfc7596-icmpv4-bytes", - "drop-in-by-rfc7596-icmpv4-packets", --- Policy of dropping incoming ICMPv4 packets. - "drop-in-by-policy-icmpv4-bytes", - "drop-in-by-policy-icmpv4-packets", --- Policy of dropping outgoing ICMPv4 error packets. --- Not counting bytes because we do not even generate the packets. - "drop-out-by-policy-icmpv4-packets", - --- Drop v6. - --- All dropped traffic on the IPv4 interface. - "drop-all-ipv6-iface-bytes", - "drop-all-ipv6-iface-packets", --- On IPv6 link, but not IPv6. - "drop-misplaced-not-ipv6-bytes", - "drop-misplaced-not-ipv6-packets", --- Unknown IPv6 protocol. - "drop-unknown-protocol-ipv6-bytes", - "drop-unknown-protocol-ipv6-packets", --- No matching source softwire. - "drop-no-source-softwire-ipv6-bytes", - "drop-no-source-softwire-ipv6-packets", --- Unknown ICMPv6 type. - "drop-unknown-protocol-icmpv6-bytes", - "drop-unknown-protocol-icmpv6-packets", --- "Packet too big" ICMPv6 type but not code. - "drop-too-big-type-but-not-code-icmpv6-bytes", - "drop-too-big-type-but-not-code-icmpv6-packets", --- Time-limit-exceeded, but not hop limit on ICMPv6 packet. - "drop-over-time-but-not-hop-limit-icmpv6-bytes", - "drop-over-time-but-not-hop-limit-icmpv6-packets", --- Drop outgoing ICMPv6 error packets because of rate limit reached. - "drop-over-rate-limit-icmpv6-bytes", - "drop-over-rate-limit-icmpv6-packets", --- Policy of dropping incoming ICMPv6 packets. - "drop-in-by-policy-icmpv6-bytes", - "drop-in-by-policy-icmpv6-packets", --- Policy of dropping outgoing ICMPv6 error packets. --- Not counting bytes because we do not even generate the packets. - "drop-out-by-policy-icmpv6-packets", -} - -local function create_counters () - local counters = {} - for _, name in ipairs(counter_names) do - counters[name] = {counter} - end - return shm.create_frame(counters_dir, counters) -end - local function get_ethernet_payload(pkt) return pkt.data + ethernet_header_size end @@ -393,8 +286,7 @@ function LwAftr:new(conf) o.hairpin_lookup_queue = bt.BTLookupQueue.new(o.binding_table) o.control = channel.create('lwaftr/control', messages.lwaftr_message_t) - - o.counters = create_counters() + o.counters = conf.counters transmit_icmpv6_reply = init_transmit_icmpv6_reply(o) transmit_icmpv4_reply = init_transmit_icmpv4_reply(o) diff --git a/src/apps/lwaftr/lwcounter.lua b/src/apps/lwaftr/lwcounter.lua new file mode 100644 index 0000000000..f703046d13 --- /dev/null +++ b/src/apps/lwaftr/lwcounter.lua @@ -0,0 +1,130 @@ +module(..., package.seeall) + +local counter = require("core.counter") +local shm = require("core.shm") + +-- COUNTERS +-- The lwAFTR counters all live in the same directory, and their filenames are +-- built out of ordered field values, separated by dashes. +-- Fields: +-- - "memuse", or direction: "in", "out", "hairpin", "drop"; +-- If "direction" is "drop": +-- - reason: reasons for dropping; +-- - protocol+version: "icmpv4", "icmpv6", "ipv4", "ipv6"; +-- - size: "bytes", "packets". +counters_dir = "app/lwaftr/counters/" +-- Referenced by program/check/check.lua +counter_names = { + +-- All incoming traffic. + "in-ipv4-bytes", + "in-ipv4-packets", + "in-ipv6-bytes", + "in-ipv6-packets", + +-- Outgoing traffic, not including internally generated ICMP error packets. + "out-ipv4-bytes", + "out-ipv4-packets", + "out-ipv6-bytes", + "out-ipv6-packets", + +-- Internally generated ICMP error packets. + "out-icmpv4-bytes", + "out-icmpv4-packets", + "out-icmpv6-bytes", + "out-icmpv6-packets", + +-- Hairpinned traffic. + "hairpin-ipv4-bytes", + "hairpin-ipv4-packets", + +-- Dropped v4 traffic. + +-- All dropped traffic on the IPv4 interface. + "drop-all-ipv4-iface-bytes", + "drop-all-ipv4-iface-packets", +-- On IPv4 link, but not IPv4. + "drop-misplaced-not-ipv4-bytes", + "drop-misplaced-not-ipv4-packets", +-- No matching destination softwire. + "drop-no-dest-softwire-ipv4-bytes", + "drop-no-dest-softwire-ipv4-packets", +-- TTL is zero. + "drop-ttl-zero-ipv4-bytes", + "drop-ttl-zero-ipv4-packets", +-- Big packets exceeding MTU, but DF (Don't Fragment) flag set. + "drop-over-mtu-but-dont-fragment-ipv4-bytes", + "drop-over-mtu-but-dont-fragment-ipv4-packets", +-- Bad checksum on ICMPv4 packets. + "drop-bad-checksum-icmpv4-bytes", + "drop-bad-checksum-icmpv4-packets", +-- Incoming ICMPv4 packets with no destination (RFC 7596 section 8.1) + "drop-in-by-rfc7596-icmpv4-bytes", + "drop-in-by-rfc7596-icmpv4-packets", +-- Policy of dropping incoming ICMPv4 packets. + "drop-in-by-policy-icmpv4-bytes", + "drop-in-by-policy-icmpv4-packets", +-- Policy of dropping outgoing ICMPv4 error packets. +-- Not counting bytes because we do not even generate the packets. + "drop-out-by-policy-icmpv4-packets", + +-- Drop v6. + +-- All dropped traffic on the IPv4 interface. + "drop-all-ipv6-iface-bytes", + "drop-all-ipv6-iface-packets", +-- On IPv6 link, but not IPv6. + "drop-misplaced-not-ipv6-bytes", + "drop-misplaced-not-ipv6-packets", +-- Unknown IPv6 protocol. + "drop-unknown-protocol-ipv6-bytes", + "drop-unknown-protocol-ipv6-packets", +-- No matching source softwire. + "drop-no-source-softwire-ipv6-bytes", + "drop-no-source-softwire-ipv6-packets", +-- Unknown ICMPv6 type. + "drop-unknown-protocol-icmpv6-bytes", + "drop-unknown-protocol-icmpv6-packets", +-- "Packet too big" ICMPv6 type but not code. + "drop-too-big-type-but-not-code-icmpv6-bytes", + "drop-too-big-type-but-not-code-icmpv6-packets", +-- Time-limit-exceeded, but not hop limit on ICMPv6 packet. + "drop-over-time-but-not-hop-limit-icmpv6-bytes", + "drop-over-time-but-not-hop-limit-icmpv6-packets", +-- Drop outgoing ICMPv6 error packets because of rate limit reached. + "drop-over-rate-limit-icmpv6-bytes", + "drop-over-rate-limit-icmpv6-packets", +-- Policy of dropping incoming ICMPv6 packets. + "drop-in-by-policy-icmpv6-bytes", + "drop-in-by-policy-icmpv6-packets", +-- Policy of dropping outgoing ICMPv6 error packets. +-- Not counting bytes because we do not even generate the packets. + "drop-out-by-policy-icmpv6-packets", + +-- Reassembly counters + "in-ipv4-frag-needsreassembly", + "in-ipv4-frag-reassembled", + "in-ipv4-frag-reassembly-unneeded", + "drop-ipv4-frag-invalid-reassembly", + "drop-ipv4-frag-randomevicted", + "out-ipv4-frag", + "out-ipv4-frag-not", + "memuse-ipv4-frag-reassembly-buffer", + + "in-ipv6-frag-needsreassembly", + "in-ipv6-frag-reassembled", + "in-ipv6-frag-reassembly-unneeded", + "drop-ipv6-frag-invalid-reassembly", + "drop-ipv6-frag-randomevicted", + "out-ipv6-frag", + "out-ipv6-frag-not", + "memuse-ipv6-frag-reassembly-buffer", +} + +function create_counters () + local counters = {} + for _, name in ipairs(counter_names) do + counters[name] = {counter} + end + return shm.create_frame(counters_dir, counters) +end diff --git a/src/apps/lwaftr/lwutil.lua b/src/apps/lwaftr/lwutil.lua index 9e7291f057..1f9d91e5f1 100644 --- a/src/apps/lwaftr/lwutil.lua +++ b/src/apps/lwaftr/lwutil.lua @@ -73,3 +73,10 @@ end function set_dst_ethernet(pkt, dst_eth) ffi.copy(pkt.data, dst_eth, 6) end + +function write_to_file(filename, content) + local fd = assert(io.open(filename, "wt"), + ("Couldn't open file: '%s'"):format(filename)) + fd:write(content) + fd:close() +end diff --git a/src/lib/ctable.lua b/src/lib/ctable.lua index 150ed405b4..369f7b0734 100644 --- a/src/lib/ctable.lua +++ b/src/lib/ctable.lua @@ -7,6 +7,7 @@ local bit = require("bit") local bxor, bnot = bit.bxor, bit.bnot local tobit, lshift, rshift = bit.tobit, bit.lshift, bit.rshift local max, floor, ceil = math.max, math.floor, math.ceil +local counter = require("core.counter") CTable = {} @@ -95,7 +96,8 @@ local required_params = set('key_type', 'value_type', 'hash_fn') local optional_params = { initial_size = 8, max_occupancy_rate = 0.9, - min_occupancy_rate = 0.0 + min_occupancy_rate = 0.0, + memuse_counter = {} } function new(params) @@ -109,6 +111,7 @@ function new(params) ctab.occupancy = 0 ctab.max_occupancy_rate = params.max_occupancy_rate ctab.min_occupancy_rate = params.min_occupancy_rate + ctab.memuse_counter = params.memuse_counter ctab = setmetatable(ctab, { __index = CTable }) ctab:resize(params.initial_size) return ctab @@ -137,7 +140,7 @@ local function calloc(t, count) end local ret = ffi.cast(ffi.typeof('$*', t), mem) ffi.gc(ret, function (ptr) S.munmap(ptr, byte_size) end) - return ret + return ret, byte_size end function CTable:resize(size) @@ -147,7 +150,13 @@ function CTable:resize(size) -- Allocate double the requested number of entries to make sure there -- is sufficient displacement if all hashes map to the last bucket. - self.entries = calloc(self.entry_type, size * 2) + local byte_size + self.entries, byte_size = calloc(self.entry_type, size * 2) + if #self.memuse_counter == 2 then + local counters = self.memuse_counter[1] + local memuse_name = self.memuse_counter[2] + counter.set(counters[memuse_name], byte_size) + end self.size = size self.scale = self.size / HASH_MAX self.occupancy = 0 diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 0e5d40cfde..8eb3bf2dac 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -8,8 +8,10 @@ local setup = require("program.lwaftr.setup") -- Get the counter directory and names from the code, so that any change -- in there will be automatically picked up by the tests. local lwaftr = require("apps.lwaftr.lwaftr") -local counter_names = lwaftr.counter_names -local counters_dir = lwaftr.counters_dir +local lwcounter = require("apps.lwaftr.lwcounter") +local counter_names = lwcounter.counter_names +local counters_dir = lwcounter.counters_dir +local write_to_file = require("apps.lwaftr.lwutil").write_to_file function show_usage(code) print(require("program.lwaftr.check.README_inc")) @@ -20,10 +22,12 @@ function parse_args (args) local handlers = {} local opts = {} function handlers.h() show_usage(0) end + function handlers.r() opts.r = true end handlers["on-a-stick"] = function () opts["on-a-stick"] = true end - args = lib.dogetopt(args, handlers, "h", { help="h", ["on-a-stick"] = 0 }) + args = lib.dogetopt(args, handlers, "hr", + { help="h", regen="r", ["on-a-stick"] = 0 }) if #args ~= 5 and #args ~= 6 then show_usage(1) end return opts, args end @@ -75,6 +79,18 @@ function validate_diff(actual, expected) end end +local function regen_counters(counters, outfile) + local cnames = {} + for k in pairs(counters) do table.insert(cnames, k) end + table.sort(cnames) + local out_val = {'return {'} + for _,k in ipairs(cnames) do + table.insert(out_val, string.format(' ["%s"] = %s,', k, counters[k])) + end + table.insert(out_val, '}\n') + write_to_file(outfile, (table.concat(out_val, '\n'))) +end + local function run_on_a_stick (args) local conf_file, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap, counters_path = unpack(args) @@ -116,7 +132,11 @@ function run(args) local final_counters = read_counters(c) local counters_diff = diff_counters(final_counters, initial_counters) local req_counters = load_requested_counters(counters_path) - validate_diff(counters_diff, req_counters) + if opts.r then + regen_counters(counters_diff, counters_path) + else + validate_diff(counters_diff, req_counters) + end else app.main({duration=0.10}) end diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index 546a818fb4..eddab51231 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -6,6 +6,7 @@ local PcapFilter = require("apps.packet_filter.pcap_filter").PcapFilter local V4V6 = require("apps.lwaftr.V4V6").V4V6 local VirtioNet = require("apps.virtio_net.virtio_net").VirtioNet local lwaftr = require("apps.lwaftr.lwaftr") +local lwcounter = require("apps.lwaftr.lwcounter") local basic_apps = require("apps.basic.basic_apps") local pcap = require("apps.pcap.pcap") local bt = require("apps.lwaftr.binding_table") @@ -19,16 +20,17 @@ function lwaftr_app(c, conf) conf.preloaded_binding_table = bt.load(conf.binding_table) local function append(t, elem) table.insert(t, elem) end local function prepend(t, elem) table.insert(t, 1, elem) end + conf.counters = lwcounter.create_counters() config.app(c, "reassemblerv4", ipv4_apps.Reassembler, conf) config.app(c, "reassemblerv6", ipv6_apps.ReassembleV6, conf) config.app(c, "icmpechov4", ipv4_apps.ICMPEcho, { address = conf.aftr_ipv4_ip }) - config.app(c, 'lwaftr', lwaftr.LwAftr, conf) config.app(c, "icmpechov6", ipv6_apps.ICMPEcho, { address = conf.aftr_ipv6_ip }) + config.app(c, 'lwaftr', lwaftr.LwAftr, conf) config.app(c, "fragmenterv4", ipv4_apps.Fragmenter, - { mtu=conf.ipv4_mtu }) + { mtu=conf.ipv4_mtu, counters=conf.counters }) config.app(c, "fragmenterv6", ipv6_apps.Fragmenter, - { mtu=conf.ipv6_mtu }) + { mtu=conf.ipv6_mtu, counters=conf.counters }) config.app(c, "ndp", ipv6_apps.NDP, { src_ipv6 = conf.aftr_ipv6_ip, src_eth = conf.aftr_mac_b4_side, dst_eth = conf.next_hop6_mac, dst_ipv6 = conf.next_hop_ipv6_addr }) diff --git a/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua b/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua new file mode 100644 index 0000000000..59a62cd9f2 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua @@ -0,0 +1,5 @@ +return { + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv4-frag-not"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua b/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua index c0fb86a8a0..542c61bccb 100644 --- a/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua +++ b/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua @@ -3,4 +3,6 @@ return { ["drop-misplaced-ipv4-packets"] = 1, ["drop-all-ipv4-bytes"] = 106, ["drop-all-ipv4-packets"] = 1, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, } diff --git a/src/program/lwaftr/tests/data/counters/drop-no-source-softwire-ipv6.lua b/src/program/lwaftr/tests/data/counters/drop-no-source-softwire-ipv6.lua deleted file mode 100644 index 7969dcf457..0000000000 --- a/src/program/lwaftr/tests/data/counters/drop-no-source-softwire-ipv6.lua +++ /dev/null @@ -1,9 +0,0 @@ -return { - ["drop-all-ipv6-iface-bytes"] = 106, - ["drop-all-ipv6-iface-packets"] = 1, - ["drop-no-source-softwire-ipv6-bytes"] = 106, - ["drop-no-source-softwire-ipv6-packets"] = 1, - ["drop-out-by-policy-icmpv6-packets"] = 1, - ["in-ipv6-bytes"] = 106, - ["in-ipv6-packets"] = 1, -} diff --git a/src/program/lwaftr/tests/data/counters/empty.lua b/src/program/lwaftr/tests/data/counters/empty.lua deleted file mode 100644 index a564707544..0000000000 --- a/src/program/lwaftr/tests/data/counters/empty.lua +++ /dev/null @@ -1 +0,0 @@ -return {} diff --git a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua index 253a7e06f3..99637924e5 100644 --- a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua +++ b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua @@ -1,15 +1,16 @@ return { + ["drop-all-ipv4-iface-bytes"] = 1494, + ["drop-all-ipv4-iface-packets"] = 1, + ["drop-over-mtu-but-dont-fragment-ipv4-bytes"] = 1494, + ["drop-over-mtu-but-dont-fragment-ipv4-packets"] = 1, ["in-ipv4-bytes"] = 1494, + ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - - ["out-ipv4-bytes"] = 590, - ["out-ipv4-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-icmpv4-bytes"] = 590, ["out-icmpv4-packets"] = 1, - - ["drop-over-mtu-but-dont-fragment-ipv4-bytes"] = 1494, - ["drop-over-mtu-but-dont-fragment-ipv4-packets"] = 1, - ["drop-all-ipv4-iface-bytes"] = 1494, - ["drop-all-ipv4-iface-packets"] = 1, + ["out-ipv4-bytes"] = 590, + ["out-ipv4-frag-not"] = 1, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua index edbba114c0..a36a434c8d 100644 --- a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua +++ b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua @@ -1,10 +1,12 @@ return { - ["in-ipv4-bytes"] = 1494, - ["in-ipv4-packets"] = 1, - - ["drop-over-mtu-but-dont-fragment-ipv4-bytes"] = 1494, - ["drop-over-mtu-but-dont-fragment-ipv4-packets"] = 1, - ["drop-out-by-policy-icmpv4-packets"] = 1, ["drop-all-ipv4-iface-bytes"] = 1494, ["drop-all-ipv4-iface-packets"] = 1, + ["drop-out-by-policy-icmpv4-packets"] = 1, + ["drop-over-mtu-but-dont-fragment-ipv4-bytes"] = 1494, + ["drop-over-mtu-but-dont-fragment-ipv4-packets"] = 1, + ["in-ipv4-bytes"] = 1494, + ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["in-ipv4-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua index 39cf9fa6c1..ec5f3150a8 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua @@ -1,10 +1,12 @@ return { + ["hairpin-ipv4-bytes"] = 66, + ["hairpin-ipv4-packets"] = 1, ["in-ipv6-bytes"] = 106, + ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv6-bytes"] = 106, + ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, - - ["hairpin-ipv4-bytes"] = 66, - ["hairpin-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua index e3ff8fa28a..9eeeb04f84 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua @@ -1,15 +1,15 @@ return { - ["in-ipv6-bytes"] = 138, - ["in-ipv6-packets"] = 1, - - ["hairpin-ipv4-bytes"] = 98, - ["hairpin-ipv4-packets"] = 1, - + ["drop-all-ipv6-iface-bytes"] = 138, + ["drop-all-ipv6-iface-packets"] = 1, ["drop-in-by-rfc7596-icmpv4-bytes"] = 98, ["drop-in-by-rfc7596-icmpv4-packets"] = 1, - ["drop-no-dest-softwire-ipv4-packets"] = 1, ["drop-no-dest-softwire-ipv4-bytes"] = 98, - - ["drop-all-ipv6-iface-packets"] = 1, - ["drop-all-ipv6-iface-bytes"] = 138, + ["drop-no-dest-softwire-ipv4-packets"] = 1, + ["hairpin-ipv4-bytes"] = 98, + ["hairpin-ipv4-packets"] = 1, + ["in-ipv6-bytes"] = 138, + ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["in-ipv6-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua index 1e6347b6dd..64e0b6e8bc 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua @@ -1,10 +1,12 @@ return { + ["hairpin-ipv4-bytes"] = 98, + ["hairpin-ipv4-packets"] = 1, ["in-ipv6-bytes"] = 138, + ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv6-bytes"] = 138, + ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, - - ["hairpin-ipv4-bytes"] = 98, - ["hairpin-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua b/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua new file mode 100644 index 0000000000..abb10b6648 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua @@ -0,0 +1,6 @@ +return { + ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv6-frag-not"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua new file mode 100644 index 0000000000..69983dc863 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua @@ -0,0 +1,11 @@ +return { + ["in-ipv4-bytes"] = 1474, + ["in-ipv4-frag-needsreassembly"] = 3, + ["in-ipv4-frag-reassembled"] = 1, + ["in-ipv4-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv6-bytes"] = 1514, + ["out-ipv6-frag"] = 2, + ["out-ipv6-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua new file mode 100644 index 0000000000..da3c208dd4 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua @@ -0,0 +1,5 @@ +return { + ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, +} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua index 1d87283964..2de95ffacb 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua @@ -1,15 +1,16 @@ return { + ["drop-all-ipv4-iface-bytes"] = 66, + ["drop-all-ipv4-iface-packets"] = 1, + ["drop-no-dest-softwire-ipv4-bytes"] = 66, + ["drop-no-dest-softwire-ipv4-packets"] = 1, ["in-ipv4-bytes"] = 66, + ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - - ["out-ipv4-bytes"] = 94, - ["out-ipv4-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, - - ["drop-no-dest-softwire-ipv4-bytes"] = 66, - ["drop-no-dest-softwire-ipv4-packets"] = 1, - ["drop-all-ipv4-iface-bytes"] = 66, - ["drop-all-ipv4-iface-packets"] = 1, + ["out-ipv4-bytes"] = 94, + ["out-ipv4-frag-not"] = 1, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-1.lua index 9466fe771b..e521404b14 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-1.lua @@ -1,7 +1,10 @@ return { ["in-ipv4-bytes"] = 66, + ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv6-bytes"] = 106, + ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua index 2fcf9f1dc3..a73aafc64f 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua @@ -1,7 +1,11 @@ return { ["in-ipv4-bytes"] = 1460, + ["in-ipv4-frag-needsreassembly"] = 3, + ["in-ipv4-frag-reassembled"] = 1, ["in-ipv4-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv6-bytes"] = 1500, + ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua index e035df84e7..d15e472238 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua @@ -1,7 +1,10 @@ return { ["in-ipv4-bytes"] = 1494, + ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv6-bytes"] = 1534, + ["out-ipv6-frag"] = 2, ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua index 2bb1fd8161..af39a710f8 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua @@ -1,7 +1,10 @@ return { ["in-ipv4-bytes"] = 2734, + ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv6-bytes"] = 2774, + ["out-ipv6-frag"] = 3, ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua index f4b6360a80..deb7efc2a2 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua @@ -4,4 +4,6 @@ return { ["out-ipv6-bytes"] = 94, ["out-ipv6-packets"] = 1, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua new file mode 100644 index 0000000000..7b96b036db --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua @@ -0,0 +1,10 @@ +return { + ["in-ipv4-bytes"] = 1474, + ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["in-ipv4-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv6-bytes"] = 1514, + ["out-ipv6-frag"] = 2, + ["out-ipv6-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6.lua index 4e7ff535c8..4df70324b4 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6.lua @@ -1,7 +1,10 @@ return { ["in-ipv4-bytes"] = 1474, + ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv6-bytes"] = 1514, + ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-7.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-7.lua index 9875f5b73a..a6d171a1d5 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-7.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-7.lua @@ -1,7 +1,10 @@ return { ["in-ipv4-bytes"] = 98, + ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv6-bytes"] = 138, + ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-8.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-8.lua index 83fe732b91..479e4b2624 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-8.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-8.lua @@ -1,7 +1,10 @@ return { ["in-ipv4-bytes"] = 70, + ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv6-bytes"] = 110, + ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua new file mode 100644 index 0000000000..79dc222f9f --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua @@ -0,0 +1,11 @@ +return { + ["in-ipv4-bytes"] = 66, + ["in-ipv4-frag-reassembly-unneeded"] = 2, + ["in-ipv4-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv4-frag-not"] = 1, + ["out-ipv6-bytes"] = 106, + ["out-ipv6-frag-not"] = 1, + ["out-ipv6-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua index 5ce5bdb6e5..25d079a511 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua @@ -1,10 +1,12 @@ return { - ["in-ipv4-bytes"] = 66, - ["in-ipv4-packets"] = 1, - + ["drop-all-ipv4-iface-bytes"] = 66, + ["drop-all-ipv4-iface-packets"] = 1, ["drop-no-dest-softwire-ipv4-bytes"] = 66, ["drop-no-dest-softwire-ipv4-packets"] = 1, ["drop-out-by-policy-icmpv4-packets"] = 1, - ["drop-all-ipv4-iface-bytes"] = 66, - ["drop-all-ipv4-iface-packets"] = 1, + ["in-ipv4-bytes"] = 66, + ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["in-ipv4-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua index 0c4772eba3..a41d571808 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua @@ -1,9 +1,11 @@ return { - ["in-ipv4-bytes"] = 98, - ["in-ipv4-packets"] = 1, - - ["drop-bad-checksum-icmpv4-bytes"] = 98, - ["drop-bad-checksum-icmpv4-packets"] = 1, ["drop-all-ipv4-iface-bytes"] = 98, ["drop-all-ipv4-iface-packets"] = 1, + ["drop-bad-checksum-icmpv4-bytes"] = 98, + ["drop-bad-checksum-icmpv4-packets"] = 1, + ["in-ipv4-bytes"] = 98, + ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["in-ipv4-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua index ab6afc4ea8..b5dec7f599 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua @@ -1,9 +1,11 @@ return { - ["in-ipv4-bytes"] = 98, - ["in-ipv4-packets"] = 1, - - ["drop-in-by-policy-icmpv4-bytes"] = 98, - ["drop-in-by-policy-icmpv4-packets"] = 1, ["drop-all-ipv4-iface-bytes"] = 98, ["drop-all-ipv4-iface-packets"] = 1, + ["drop-in-by-policy-icmpv4-bytes"] = 98, + ["drop-in-by-policy-icmpv4-packets"] = 1, + ["in-ipv4-bytes"] = 98, + ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["in-ipv4-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua index a34924bc63..dd479f7c93 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua @@ -1,12 +1,13 @@ return { - ["in-ipv4-bytes"] = 98, - ["in-ipv4-packets"] = 1, - + ["drop-all-ipv4-iface-bytes"] = 98, + ["drop-all-ipv4-iface-packets"] = 1, ["drop-in-by-rfc7596-icmpv4-bytes"] = 98, ["drop-in-by-rfc7596-icmpv4-packets"] = 1, ["drop-no-dest-softwire-ipv4-bytes"] = 98, ["drop-no-dest-softwire-ipv4-packets"] = 1, - - ["drop-all-ipv4-iface-packets"] = 1, - ["drop-all-ipv4-iface-bytes"] = 98, + ["in-ipv4-bytes"] = 98, + ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["in-ipv4-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua index 97aeaddb96..367adcd92e 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua @@ -1,2 +1,6 @@ return { + ["drop-ipv6-frag-invalid-reassembly"] = 1, + ["in-ipv6-frag-needsreassembly"] = 2, + ["memuse-ipv4-frag-reassembly-buffer"] = 457260448, + ["memuse-ipv6-frag-reassembly-buffer"] = 247536, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua index 1525cb9eb5..1eda0601d1 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua @@ -1,10 +1,12 @@ return { ["in-ipv6-bytes"] = 154, + ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - - ["out-ipv4-bytes"] = 94, - ["out-ipv4-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, + ["out-ipv4-bytes"] = 94, + ["out-ipv4-frag-not"] = 1, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua index 4f9973f905..cca0414d76 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua @@ -1,12 +1,14 @@ return { + ["drop-all-ipv6-iface-bytes"] = 106, + ["drop-all-ipv6-iface-packets"] = 1, + ["drop-no-source-softwire-ipv6-bytes"] = 106, + ["drop-no-source-softwire-ipv6-packets"] = 1, ["in-ipv6-bytes"] = 106, + ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-icmpv6-bytes"] = 154, ["out-icmpv6-packets"] = 1, - - ["drop-no-source-softwire-ipv6-bytes"] = 106, - ["drop-no-source-softwire-ipv6-packets"] = 1, - ["drop-all-ipv6-iface-bytes"] = 106, - ["drop-all-ipv6-iface-packets"] = 1, + ["out-ipv6-frag-not"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua index 02a1681526..0e88eab566 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua @@ -1,12 +1,14 @@ return { + ["drop-all-ipv6-iface-bytes"] = 138, + ["drop-all-ipv6-iface-packets"] = 1, + ["drop-no-source-softwire-ipv6-bytes"] = 138, + ["drop-no-source-softwire-ipv6-packets"] = 1, ["in-ipv6-bytes"] = 138, + ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-icmpv6-bytes"] = 186, ["out-icmpv6-packets"] = 1, - - ["drop-no-source-softwire-ipv6-bytes"] = 138, - ["drop-no-source-softwire-ipv6-packets"] = 1, - ["drop-all-ipv6-iface-bytes"] = 138, - ["drop-all-ipv6-iface-packets"] = 1, + ["out-ipv6-frag-not"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua index 8bdb3dccc0..b28340aded 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua @@ -1,7 +1,10 @@ return { ["in-ipv6-bytes"] = 1046, + ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv4-bytes"] = 1006, + ["out-ipv4-frag"] = 2, ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua index a460d4f0dc..26b5eaf1ff 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua @@ -1,7 +1,10 @@ return { ["in-ipv6-bytes"] = 1500, + ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv4-bytes"] = 1460, + ["out-ipv4-frag"] = 3, ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua index a2bf3a88b8..26419a9583 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua @@ -1,7 +1,11 @@ return { ["in-ipv6-bytes"] = 1534, + ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-frag-reassembled"] = 1, ["in-ipv6-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv4-bytes"] = 1494, + ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua new file mode 100644 index 0000000000..aa8a2e39cb --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua @@ -0,0 +1,11 @@ +return { + ["in-ipv6-bytes"] = 106, + ["in-ipv6-frag-reassembly-unneeded"] = 2, + ["in-ipv6-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv4-bytes"] = 66, + ["out-ipv4-frag-not"] = 1, + ["out-ipv4-packets"] = 1, + ["out-ipv6-frag-not"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4.lua index 358cfe4155..cff87393bf 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4.lua @@ -1,7 +1,10 @@ return { ["in-ipv6-bytes"] = 106, + ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv4-bytes"] = 66, + ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua new file mode 100644 index 0000000000..0b5e3402cf --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua @@ -0,0 +1,11 @@ +return { + ["in-ipv6-bytes"] = 1514, + ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-frag-reassembled"] = 1, + ["in-ipv6-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv4-bytes"] = 1474, + ["out-ipv4-frag-not"] = 1, + ["out-ipv4-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua index afac827107..ad4aa97e6b 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua @@ -1,7 +1,11 @@ return { ["in-ipv6-bytes"] = 1514, + ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-frag-reassembled"] = 1, ["in-ipv6-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv4-bytes"] = 1474, + ["out-ipv4-frag"] = 3, ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-hoplimhair.lua similarity index 50% rename from src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-2.lua rename to src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-hoplimhair.lua index d6b376b024..45ae24b062 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-hoplimhair.lua @@ -1,10 +1,12 @@ return { ["in-ipv6-bytes"] = 154, + ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - - ["out-ipv6-bytes"] = 134, - ["out-ipv6-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, + ["out-ipv6-bytes"] = 134, + ["out-ipv6-frag-not"] = 1, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua index 3021180ca3..f4bf4f6796 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua @@ -1,10 +1,12 @@ return { - ["in-ipv6-bytes"] = 106, - ["in-ipv6-packets"] = 1, - + ["drop-all-ipv6-iface-bytes"] = 106, + ["drop-all-ipv6-iface-packets"] = 1, ["drop-no-source-softwire-ipv6-bytes"] = 106, ["drop-no-source-softwire-ipv6-packets"] = 1, ["drop-out-by-policy-icmpv6-packets"] = 1, - ["drop-all-ipv6-iface-bytes"] = 106, - ["drop-all-ipv6-iface-packets"] = 1, + ["in-ipv6-bytes"] = 106, + ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["in-ipv6-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua index b322c5e7b9..457d3fde7b 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua @@ -1,9 +1,11 @@ return { - ["in-ipv6-bytes"] = 154, - ["in-ipv6-packets"] = 1, - - ["drop-over-time-but-not-hop-limit-icmpv6-bytes"] = 154, - ["drop-over-time-but-not-hop-limit-icmpv6-packets"] = 1, ["drop-all-ipv6-iface-bytes"] = 154, ["drop-all-ipv6-iface-packets"] = 1, + ["drop-over-time-but-not-hop-limit-icmpv6-bytes"] = 154, + ["drop-over-time-but-not-hop-limit-icmpv6-packets"] = 1, + ["in-ipv6-bytes"] = 154, + ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["in-ipv6-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua index 3462f04ef8..cc629b1f8f 100644 --- a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua +++ b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua @@ -1,13 +1,14 @@ return { - ["in-ipv6-bytes"] = 106, - ["in-ipv6-packets"] = 1, - - ["hairpin-ipv4-bytes"] = 66, - ["hairpin-ipv4-packets"] = 1, - - ["drop-ttl-zero-ipv4-bytes"] = 66, - ["drop-ttl-zero-ipv4-packets"] = 1, - ["drop-out-by-policy-icmpv4-packets"] = 1, ["drop-all-ipv6-iface-bytes"] = 106, ["drop-all-ipv6-iface-packets"] = 1, + ["drop-out-by-policy-icmpv4-packets"] = 1, + ["drop-ttl-zero-ipv4-bytes"] = 66, + ["drop-ttl-zero-ipv4-packets"] = 1, + ["hairpin-ipv4-bytes"] = 66, + ["hairpin-ipv4-packets"] = 1, + ["in-ipv6-bytes"] = 106, + ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["in-ipv6-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua index b6e26437ba..b66620e45d 100644 --- a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua @@ -1,19 +1,18 @@ return { + ["drop-all-ipv6-iface-bytes"] = 106, + ["drop-all-ipv6-iface-packets"] = 1, + ["drop-ttl-zero-ipv4-bytes"] = 66, + ["drop-ttl-zero-ipv4-packets"] = 1, + ["hairpin-ipv4-bytes"] = 66, + ["hairpin-ipv4-packets"] = 1, ["in-ipv6-bytes"] = 106, + ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - - ["out-ipv6-bytes"] = 134, - ["out-ipv6-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, - - ["hairpin-ipv4-bytes"] = 66, - ["hairpin-ipv4-packets"] = 1, - - ["drop-ttl-zero-ipv4-bytes"] = 66, - ["drop-ttl-zero-ipv4-packets"] = 1, - - ["drop-all-ipv6-iface-bytes"] = 106, - ["drop-all-ipv6-iface-packets"] = 1, + ["out-ipv6-bytes"] = 134, + ["out-ipv6-frag-not"] = 1, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua similarity index 53% rename from src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua rename to src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua index a34d5ad80a..775b31691c 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua @@ -1,12 +1,15 @@ return { + ["hairpin-ipv4-bytes"] = 66, + ["hairpin-ipv4-packets"] = 1, ["in-ipv6-bytes"] = 212, + ["in-ipv6-frag-reassembly-unneeded"] = 2, ["in-ipv6-packets"] = 2, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv4-bytes"] = 66, + ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, ["out-ipv6-bytes"] = 106, + ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, - - ["hairpin-ipv4-bytes"] = 66, - ["hairpin-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua new file mode 100644 index 0000000000..1d2c2fee57 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua @@ -0,0 +1,15 @@ +return { + ["hairpin-ipv4-bytes"] = 66, + ["hairpin-ipv4-packets"] = 1, + ["in-ipv6-bytes"] = 212, + ["in-ipv6-frag-reassembly-unneeded"] = 3, + ["in-ipv6-packets"] = 2, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv4-bytes"] = 66, + ["out-ipv4-frag-not"] = 1, + ["out-ipv4-packets"] = 1, + ["out-ipv6-bytes"] = 106, + ["out-ipv6-frag-not"] = 2, + ["out-ipv6-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua b/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua new file mode 100644 index 0000000000..e3fd6e4ae6 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua @@ -0,0 +1,5 @@ +return { + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv6-frag-not"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/nofrag4.lua b/src/program/lwaftr/tests/data/counters/nofrag4.lua new file mode 100644 index 0000000000..6afa9501d1 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/nofrag4.lua @@ -0,0 +1,6 @@ +return { + ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv4-frag-not"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua b/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua new file mode 100644 index 0000000000..abb10b6648 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua @@ -0,0 +1,6 @@ +return { + ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv6-frag-not"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/nofrag6.lua b/src/program/lwaftr/tests/data/counters/nofrag6.lua new file mode 100644 index 0000000000..3268666c4f --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/nofrag6.lua @@ -0,0 +1,5 @@ +return { + ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, +} diff --git a/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua b/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua index 70b1eb2550..33041b3ae2 100644 --- a/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua +++ b/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua @@ -1,6 +1,9 @@ return { - ["drop-misplaced-not-ipv6-bytes"] = 66, - ["drop-all-ipv6-iface-packets"] = 1, ["drop-all-ipv6-iface-bytes"] = 66, + ["drop-all-ipv6-iface-packets"] = 1, + ["drop-misplaced-not-ipv6-bytes"] = 66, ["drop-misplaced-not-ipv6-packets"] = 1, + ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua b/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua index 836f81e886..03185cee8e 100644 --- a/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua +++ b/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua @@ -3,4 +3,7 @@ return { ["drop-all-ipv4-iface-packets"] = 1, ["drop-misplaced-not-ipv4-bytes"] = 106, ["drop-misplaced-not-ipv4-packets"] = 1, + ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua b/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua index 7fc2d749ea..80bf430dd2 100644 --- a/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua +++ b/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua @@ -1,15 +1,16 @@ return { + ["drop-all-ipv4-iface-bytes"] = 66, + ["drop-all-ipv4-iface-packets"] = 1, + ["drop-ttl-zero-ipv4-bytes"] = 66, + ["drop-ttl-zero-ipv4-packets"] = 1, ["in-ipv4-bytes"] = 66, + ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - - ["out-ipv4-bytes"] = 94, - ["out-ipv4-packets"] = 1, - + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, - - ["drop-ttl-zero-ipv4-bytes"] = 66, - ["drop-ttl-zero-ipv4-packets"] = 1, - ["drop-all-ipv4-iface-bytes"] = 66, - ["drop-all-ipv4-iface-packets"] = 1, + ["out-ipv4-bytes"] = 94, + ["out-ipv4-frag-not"] = 1, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh index 69145e41d3..2b0ac3f154 100755 --- a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh @@ -5,6 +5,10 @@ if [[ $EUID -ne 0 ]]; then exit 1 fi +if [[ $1 == '-r' ]]; then + REGEN=true +fi + function quit_with_msg { echo $1; exit 1 } @@ -32,6 +36,17 @@ function snabb_run_and_cmp_two_interfaces { echo "Test passed" } +function snabb_run_and_regen_counters { + conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6; + endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap"; + rm -f $endoutv4 $endoutv6 + ${SNABB_LWAFTR} check -r \ + $conf $v4_in $v6_in \ + $endoutv4 $endoutv6 $counters_path || quit_with_msg \ + "Failed to regen counters:\n\t ${SNABB_LWAFTR} check $*" + echo "Regenerated counters" +} + function is_packet_in_wrong_interface_test { counters_path=$1 if [[ "$counters_path" == "${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua" || @@ -65,8 +80,13 @@ function snabb_run_and_cmp { echo "not enough arguments to snabb_run_and_cmp" exit 1 fi - snabb_run_and_cmp_two_interfaces $@ - snabb_run_and_cmp_on_a_stick $@ + if [ $REGEN ] ; then + snabb_run_and_regen_counters $@ + else + snabb_run_and_cmp_two_interfaces $@ + snabb_run_and_cmp_on_a_stick $@ + echo "All end-to-end lwAFTR tests passed." + fi } echo "Testing: from-internet IPv4 packet found in the binding table." @@ -85,31 +105,31 @@ echo "Testing: NDP: incoming NDP Neighbor Solicitation" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/ndp_incoming_ns.pcap \ ${EMPTY} ${TEST_BASE}/ndp_outgoing_solicited_na.pcap \ - ${COUNTERS}/empty.lua + ${COUNTERS}/nofrag6-sol.lua echo "Testing: NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/ndp_incoming_ns_nonlwaftr.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua + ${COUNTERS}/nofrag6.lua echo "Testing: NDP: IPv6 but not eth addr of next IPv6 hop set, do Neighbor Solicitation" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${EMPTY} \ ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/empty.lua + ${COUNTERS}/ndp-ns-for-next-hop.lua echo "Testing: ARP: incoming ARP request" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/arp_request_recv.pcap ${EMPTY} \ ${TEST_BASE}/arp_reply_send.pcap ${EMPTY} \ - ${COUNTERS}/empty.lua + ${COUNTERS}/nofrag4.lua echo "Testing: ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_without_mac4.conf \ ${EMPTY} ${EMPTY} \ ${TEST_BASE}/arp_request_send.pcap ${EMPTY} \ - ${COUNTERS}/empty.lua + ${COUNTERS}/arp-for-next-hop.lua # mergecap -F pcap -w ndp_without_dst_eth_compound.pcap tcp-fromb4-ipv6.pcap tcp-fromb4-tob4-ipv6.pcap # mergecap -F pcap -w ndp_ns_and_recap.pcap recap-ipv6.pcap ndp_outgoing_ns.pcap @@ -117,7 +137,7 @@ echo "Testing: NDP: Without receiving NA, next_hop6_mac not set" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${TEST_BASE}/ndp_without_dst_eth_compound.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua + ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set-2pkts.lua # mergecap -F pcap -w ndp_getna_compound.pcap tcp-fromb4-ipv6.pcap \ # ndp_incoming_solicited_na.pcap tcp-fromb4-tob4-ipv6.pcap @@ -126,13 +146,13 @@ echo "Testing: NDP: With receiving NA, next_hop6_mac not initially set" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${TEST_BASE}/ndp_getna_compound.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_ns_and_recap.pcap \ - ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set.lua + ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set-3pkts.lua echo "Testing: IPv6 packet, next hop NA, packet, eth addr not set in configuration." snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ ${EMPTY} ${EMPTY} \ ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/empty.lua + ${COUNTERS}/ndp-ns-for-next-hop.lua echo "Testing: from-internet IPv4 fragmented packets found in the binding table." snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ @@ -248,7 +268,7 @@ echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/drop-no-source-softwire-ipv6.lua + ${COUNTERS}/in-1p-ipv6-out-none-1.lua echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ @@ -389,13 +409,13 @@ echo "Testing: unfragmented IPv4 UDP -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6-2frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua echo "Testing: IPv6 incoming UDP fragments -> unfragmented IPv4" snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ ${TEST_BASE}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5-frags.lua echo "Testing: IPv6 incoming UDP fragments -> outgoing IPv4 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ @@ -407,7 +427,7 @@ echo "Testing: IPv4 incoming UDP fragments -> outgoing IPv6 UDP fragments" snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ ${TEST_BASE}/udp-frominet-3frag-bound.pcap ${EMPTY} \ ${EMPTY} ${TEST_BASE}/udp-afteraftr-reassembled-ipv6-2frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua + ${COUNTERS}/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua # Test ICMP inputs (with and without drop policy) @@ -481,7 +501,7 @@ echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-2.lua + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-hoplimhair.lua # Ingress filters @@ -495,7 +515,7 @@ echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding tabl snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua + ${COUNTERS}/in-1p-ipv4-out-0p-drop.lua echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ @@ -507,7 +527,7 @@ echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DRO snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua + ${COUNTERS}/nofrag6.lua # Egress filters @@ -521,7 +541,7 @@ echo "Testing: egress-filter: to-internet (IPv4) (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua + ${COUNTERS}/nofrag6.lua echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ @@ -533,30 +553,28 @@ echo "Testing: egress-filter: to-b4 (IPv4) (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/empty.lua + ${COUNTERS}/in-1p-ipv4-out-0p-drop.lua echo "Testing: ICMP Echo to AFTR (IPv4)" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/ping-v4.pcap ${EMPTY} \ ${TEST_BASE}/ping-v4-reply.pcap ${EMPTY} \ - ${COUNTERS}/empty.lua + ${COUNTERS}/nofrag4.lua echo "Testing: ICMP Echo to AFTR (IPv4) + data" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/ping-v4-and-data.pcap ${EMPTY} \ ${TEST_BASE}/ping-v4-reply.pcap ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua + ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-echo.lua echo "Testing: ICMP Echo to AFTR (IPv6)" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/ping-v6.pcap \ ${EMPTY} ${TEST_BASE}/ping-v6-reply.pcap \ - ${COUNTERS}/empty.lua + ${COUNTERS}/icmpv6-ping-and-reply.lua echo "Testing: ICMP Echo to AFTR (IPv6) + data" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${EMPTY} ${TEST_BASE}/ping-v6-and-data.pcap \ ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ping-v6-reply.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "All end-to-end lwAFTR tests passed." + ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index d3c69ba8fc..bdc6df9fa6 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -5,4 +5,4 @@ TEST_BASE=../data/vlan \ TEST_OUT=/tmp \ EMPTY=${TEST_BASE}/../empty.pcap \ COUNTERS=${TEST_BASE}/../counters \ -./core-end-to-end.sh +./core-end-to-end.sh $@ diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index eb8ff47156..f2c973bfc6 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -5,4 +5,4 @@ TEST_BASE=../data/ \ TEST_OUT=/tmp \ EMPTY=${TEST_BASE}/empty.pcap \ COUNTERS=${TEST_BASE}/counters \ -./core-end-to-end.sh +./core-end-to-end.sh $@ From f9155864667f4ad557cc7b0123c8380209630384 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 25 Aug 2016 10:37:32 +0000 Subject: [PATCH 150/340] Add a flag to allow monitor all packets in on-a-stick mode --- src/apps/lwaftr/V4V6.lua | 23 ++++++++++++------ src/program/lwaftr/monitor/README | 10 +++++--- src/program/lwaftr/monitor/monitor.lua | 32 +++++++++++++++----------- 3 files changed, 42 insertions(+), 23 deletions(-) diff --git a/src/apps/lwaftr/V4V6.lua b/src/apps/lwaftr/V4V6.lua index d770e1a4ca..39dd622fed 100644 --- a/src/apps/lwaftr/V4V6.lua +++ b/src/apps/lwaftr/V4V6.lua @@ -16,6 +16,7 @@ local o_ipv4_src_addr = constants.o_ipv4_src_addr local ipv6_fixed_header_size = constants.ipv6_fixed_header_size local v4v6_mirror = shm.create("v4v6_mirror", "struct { uint32_t ipv4; }") +local MIRROR_EVERYTHING = 0xffffffff local function is_ipv4 (pkt) local ethertype = rd16(pkt.data + o_ethernet_ethertype) @@ -35,19 +36,27 @@ local function get_ipv6_payload (ptr) end local function mirror_ipv4 (pkt, output, ipv4_num) - local ipv4_hdr = get_ethernet_payload(pkt) - if get_ipv4_dst_num(ipv4_hdr) == ipv4_num or - get_ipv4_src_num(ipv4_hdr) == ipv4_num then + if ipv4_num == MIRROR_EVERYTHING then transmit(output, packet.clone(pkt)) + else + local ipv4_hdr = get_ethernet_payload(pkt) + if get_ipv4_dst_num(ipv4_hdr) == ipv4_num or + get_ipv4_src_num(ipv4_hdr) == ipv4_num then + transmit(output, packet.clone(pkt)) + end end end local function mirror_ipv6 (pkt, output, ipv4_num) - local ipv6_hdr = get_ethernet_payload(pkt) - local ipv4_hdr = get_ipv6_payload(ipv6_hdr) - if get_ipv4_dst_num(ipv4_hdr) == ipv4_num or - get_ipv4_src_num(ipv4_hdr) == ipv4_num then + if ipv4_num == MIRROR_EVERYTHING then transmit(output, packet.clone(pkt)) + else + local ipv6_hdr = get_ethernet_payload(pkt) + local ipv4_hdr = get_ipv6_payload(ipv6_hdr) + if get_ipv4_dst_num(ipv4_hdr) == ipv4_num or + get_ipv4_src_num(ipv4_hdr) == ipv4_num then + transmit(output, packet.clone(pkt)) + end end end diff --git a/src/program/lwaftr/monitor/README b/src/program/lwaftr/monitor/README index ec93cc3c0a..400de79b16 100644 --- a/src/program/lwaftr/monitor/README +++ b/src/program/lwaftr/monitor/README @@ -1,12 +1,13 @@ Usage: - monitor [IPV4_ADDRESS] [PID] + monitor ACTION|IPV4_ADDRESS [PID] -h, --help Print usage information. -Optional arguments: +Arguments: - IPV4_ADDRESS IPv4 address to mirror. Default: 0.0.0.0. + ACTION Action to perform: 'none' or 'all' + IPV4_ADDRESS IPv4 address to mirror PID PID value of Snabb process. Sets the value of 'v4v6_mirror' counter to IPV4_ADDRESS. The 'v4v6_mirror' @@ -14,5 +15,8 @@ counter is defined for all lwAFTR instances running in mirroring mode. Matching packets will be mirrored to the tap interface set by the original lwAFTR process. +When action is 'none' IPV4_ADDRESS is set to '0.0.0.0'. When ACTION is 'all' +IPV4_ADDRESS is set to '255.255.255.255'. + PID value is used to retrieve the lwAFTR instance. If PID is not set, the most recent active lwAFTR instance for which 'v4v6_mirror' is defined is used. diff --git a/src/program/lwaftr/monitor/monitor.lua b/src/program/lwaftr/monitor/monitor.lua index b4d1e085d1..3be4dea318 100644 --- a/src/program/lwaftr/monitor/monitor.lua +++ b/src/program/lwaftr/monitor/monitor.lua @@ -12,7 +12,8 @@ local long_opts = { help = "h" } -local DEFAULT_IPV4 = "0.0.0.0" +local MIRROR_NOTHING = "0.0.0.0" +local MIRROR_EVERYTHING = "255.255.255.255" local function fatal (msg) print(msg) @@ -30,14 +31,11 @@ local function parse_args (args) usage(0) end args = lib.dogetopt(args, handlers, "h", long_opts) - if #args > 2 then usage(1) end - if #args == 0 then - return DEFAULT_IPV4 - end + if #args < 1 or #args > 2 then usage(1) end if #args == 1 then local maybe_pid = tonumber(args[1]) if maybe_pid then - return DEFAULT_IPV4, maybe_pid + return MIRROR_NOTHING, maybe_pid end return args[1] end @@ -79,20 +77,28 @@ local function find_lwaftr_process (pid) end function run (args) - local ipv4_address, pid = parse_args(args) + local action, pid = parse_args(args) local path = find_lwaftr_process(pid) if not path then fatal("Couldn't find lwAFTR process running in mirroring mode") end + local ipv4_address + if action == "none" then + print("Monitor none") + ipv4_address = MIRROR_NOTHING + elseif action == "all" then + print("Monitor all") + ipv4_address = MIRROR_EVERYTHING + else + assert(ipv4:pton(action), + ("Invalid action or incorrect IPv4 address: '%s'"):format(action)) + ipv4_address = action + print(("Mirror address set to '%s'"):format(ipv4_address)) + end + local ipv4_num = ipv4_to_num(ipv4_address) local v4v6_mirror = shm.open(path, "struct { uint32_t ipv4; }") v4v6_mirror.ipv4 = ipv4_num shm.unmap(v4v6_mirror) - - if ipv4_address == DEFAULT_IPV4 then - print("Monitor off") - else - print(("Mirror address set to '%s'"):format(ipv4_address)) - end end From 1bf66c022aeaeab68192f20f1be06ace73f5d016 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Thu, 25 Aug 2016 17:36:57 +0200 Subject: [PATCH 151/340] Use lwutil.keys --- src/program/lwaftr/check/check.lua | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 8eb3bf2dac..20859a962a 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -11,7 +11,8 @@ local lwaftr = require("apps.lwaftr.lwaftr") local lwcounter = require("apps.lwaftr.lwcounter") local counter_names = lwcounter.counter_names local counters_dir = lwcounter.counters_dir -local write_to_file = require("apps.lwaftr.lwutil").write_to_file +local lwutil = require("apps.lwaftr.lwutil") +local write_to_file = lwutil.write_to_file function show_usage(code) print(require("program.lwaftr.check.README_inc")) @@ -80,8 +81,7 @@ function validate_diff(actual, expected) end local function regen_counters(counters, outfile) - local cnames = {} - for k in pairs(counters) do table.insert(cnames, k) end + local cnames = lwutil.keys(counters) table.sort(cnames) local out_val = {'return {'} for _,k in ipairs(cnames) do From ef2b4027d3baaabf337e8fb521d3bdd76f994b15 Mon Sep 17 00:00:00 2001 From: Timo Buhrmester Date: Thu, 25 Aug 2016 16:15:08 +0000 Subject: [PATCH 152/340] lib.ipsec.esp: Anti-replay - resynchronization (RFC 4303 App. A3), more sophisticated approach without duplicating packets/copying data in the normal (non-resync) code paths --- src/lib/ipsec/aes_128_gcm.lua | 8 ++-- src/lib/ipsec/esp.lua | 88 +++++++++++++++++++++++++++++------ 2 files changed, 78 insertions(+), 18 deletions(-) diff --git a/src/lib/ipsec/aes_128_gcm.lua b/src/lib/ipsec/aes_128_gcm.lua index 3671f7165a..d9260eae63 100644 --- a/src/lib/ipsec/aes_128_gcm.lua +++ b/src/lib/ipsec/aes_128_gcm.lua @@ -98,15 +98,15 @@ function aes_128_gcm:new (spi, keymat, salt) return setmetatable(o, {__index=aes_128_gcm}) end -function aes_128_gcm:encrypt (out_ptr, iv, seq_no, payload, length) +function aes_128_gcm:encrypt (out_ptr, iv, seq_low, seq_high, payload, length, auth_dest) self.iv:iv(iv) - self.aad:seq_no(seq_no:low(), seq_no:high()) + self.aad:seq_no(seq_low, seq_high) ASM.aesni_gcm_enc_avx_gen4(self.gcm_data, out_ptr, payload, length, u8_ptr(self.iv:header_ptr()), u8_ptr(self.aad:header_ptr()), self.AAD_SIZE, - out_ptr + length, self.AUTH_SIZE) + auth_dest, self.AUTH_SIZE) end function aes_128_gcm:decrypt (out_ptr, seq_low, seq_high, iv, ciphertext, length) @@ -244,7 +244,7 @@ function selftest () local o = ffi.new("uint8_t[?]", length + gcm.AUTH_SIZE) ffi.copy(p, lib.hexundump(t.plain, length), length) ffi.copy(c, lib.hexundump(t.ctag, length + gcm.AUTH_SIZE), length + gcm.AUTH_SIZE) - gcm:encrypt(o, iv, seq, p, length) + gcm:encrypt(o, iv, seq:low(), seq:high(), p, length, o + length) print("ctext+tag", lib.hexdump(ffi.string(c, length + gcm.AUTH_SIZE))) print("is ", lib.hexdump(ffi.string(o, length + gcm.AUTH_SIZE))) assert(C.memcmp(c, o, length + gcm.AUTH_SIZE) == 0) diff --git a/src/lib/ipsec/esp.lua b/src/lib/ipsec/esp.lua index d011fe56a5..78413cade1 100644 --- a/src/lib/ipsec/esp.lua +++ b/src/lib/ipsec/esp.lua @@ -48,6 +48,8 @@ local PAYLOAD_OFFSET = ETHERNET_SIZE + IPV6_SIZE local ESP_NH = 50 -- https://tools.ietf.org/html/rfc4303#section-2 local ESP_SIZE = esp:sizeof() local ESP_TAIL_SIZE = esp_tail:sizeof() +local ESP_RESYNC_THRESHOLD = 4 -- Resync after this many consecutive failed decaps +local ESP_RESYNC_ATTEMPTS = 6 -- Try this many increments of seq_high function esp_v6_new (conf) assert(conf.mode == "aes-128-gcm", "Only supports aes-128-gcm.") @@ -102,7 +104,7 @@ function esp_v6_encrypt:encapsulate (p) self.esp_tail:pad_length(pad_length) self:next_seq_no() local ptext_length = payload_length + pad_length + ESP_TAIL_SIZE - gcm:encrypt(payload, self.seq, self.seq, payload, ptext_length) + gcm:encrypt(payload, self.seq, self.seq:low(), self.seq:high(), payload, ptext_length, payload + ptext_length) local iv = payload + ESP_SIZE local ctext = iv + gcm.IV_SIZE C.memmove(ctext, payload, ptext_length + gcm.AUTH_SIZE) @@ -127,6 +129,7 @@ function esp_v6_decrypt:new (conf) o.window_size = conf.window_size or 128 assert(o.window_size % 8 == 0, "window_size must be a multiple of 8.") o.window = ffi.new(window_t, o.window_size / 8) + o.decap_fail = 0 return setmetatable(o, {__index=esp_v6_decrypt}) end @@ -148,17 +151,8 @@ function esp_v6_decrypt:decapsulate (p) local ctext_length = length - self.PLAIN_OVERHEAD local seq_low = self.esp:seq_no() local seq_high = tonumber(C.check_seq_no(seq_low, self.seq.no, self.window, self.window_size)) - if seq_high >= 0 and gcm:decrypt(ctext_start, seq_low, seq_high, iv_start, ctext_start, ctext_length) then - self.seq.no = C.track_seq_no(seq_high, seq_low, self.seq.no, self.window, self.window_size) - local esp_tail_start = ctext_start + ctext_length - ESP_TAIL_SIZE - self.esp_tail:new_from_mem(esp_tail_start, ESP_TAIL_SIZE) - local ptext_length = ctext_length - self.esp_tail:pad_length() - ESP_TAIL_SIZE - self.ip:next_header(self.esp_tail:next_header()) - self.ip:payload_length(ptext_length) - C.memmove(payload, ctext_start, ptext_length) - packet.resize(p, PAYLOAD_OFFSET + ptext_length) - return true - else + local proceed = true + if seq_high < 0 or not gcm:decrypt(ctext_start, seq_low, seq_high, iv_start, ctext_start, ctext_length) then local reason = seq_high == -1 and 'replayed' or 'integrity error' -- This is the information RFC4303 says we SHOULD log local info = "SPI=" .. tostring(self.spi) .. ", " .. @@ -168,10 +162,59 @@ function esp_v6_decrypt:decapsulate (p) "flow_id=" .. tostring(self.ip:flow_label()) .. ", " .. "reason='" .. reason .. "'"; logger:log("Rejecting packet ("..info..")") - return false + -- RFC4303 is somewhat unclear on a) whether or not packets that look replayed are eligible to trigger + -- recyns, and b) what 'consecutive' means in "number of consecutive packets that fail authentication": + -- Consecutive in time? Consecutive in their seq_low's? + -- Assuming a) should be 'yes' since the to-be-resynced packets might have seq_low's that just happen + -- to fall inside the replay window (seq_lo-wise) and would look replayed, yet aren't. + -- Assuming b) means 'in time', since systematic loss could stall resync indefinitely. + proceed = false + self.decap_fail = self.decap_fail + 1 + if self.decap_fail >= ESP_RESYNC_THRESHOLD then + local seq_high_tmp = seq_high + if seq_high >= 0 then -- We failed to decrypt in-place, undo the damage to recover the original ctext + gcm:encrypt(ctext_start, iv_start, seq_low, seq_high, ctext_start, ctext_length, ffi.new("uint8_t[?]", gcm.AUTH_SIZE)) + else + seq_high_tmp = self:seq_high() -- use the last seq_high we saw if it looked replayed + end + self.decap_fail = 0 -- avoid immediate re-triggering if resync fails + seq_high_tmp = self:resync(p, seq_low, seq_high_tmp + 1, ESP_RESYNC_ATTEMPTS) + if seq_high_tmp >= 0 then + seq_high = seq_high_tmp + proceed = true -- resynced! the data has been decrypted in the process so we're ready to go + end + end end + if not proceed then return false end + self.seq.no = C.track_seq_no(seq_high, seq_low, self.seq.no, self.window, self.window_size) + local esp_tail_start = ctext_start + ctext_length - ESP_TAIL_SIZE + self.esp_tail:new_from_mem(esp_tail_start, ESP_TAIL_SIZE) + local ptext_length = ctext_length - self.esp_tail:pad_length() - ESP_TAIL_SIZE + self.ip:next_header(self.esp_tail:next_header()) + self.ip:payload_length(ptext_length) + C.memmove(payload, ctext_start, ptext_length) + packet.resize(p, PAYLOAD_OFFSET + ptext_length) + self.decap_fail = 0 + return true end +function esp_v6_decrypt:resync(p, seq_low, seq_high, n) + local p_orig = packet.clone(p) + local gcm = self.aes_128_gcm + local payload = p.data + PAYLOAD_OFFSET + local iv_start = payload + ESP_SIZE + local ctext_start = payload + self.CTEXT_OFFSET + local ctext_length = p.length - self.PLAIN_OVERHEAD + for i = 1, n do + if gcm:decrypt(ctext_start, seq_low, seq_high, iv_start, ctext_start, ctext_length) then + return seq_high + else + C.memmove(p.data, p_orig.data, p_orig.length) + end + seq_high = seq_high + 1 + end + return -1 +end function selftest () local C = require("ffi").C @@ -278,7 +321,7 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ -- This is where we ultimately want resynchronization (wrt. future packets) C.memset(dec.window, 0, dec.window_size / 8); -- clear window dec.seq.no = 2^34 + 42; - enc.seq.no = 2^36 + 42; + enc.seq.no = 2^36 + 24; px = packet.clone(p) enc:encapsulate(px); assert(not dec:decapsulate(px), "accepted packet from way into the future") @@ -286,4 +329,21 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ px = packet.clone(p) enc:encapsulate(px); assert(not dec:decapsulate(px), "accepted packet from way into the past") + -- Test resynchronization after having lost >2^32 packets + enc.seq.no = 0 + dec.seq.no = 0 + C.memset(dec.window, 0, dec.window_size / 8); -- clear window + px = packet.clone(p) -- do an initial packet + enc:encapsulate(px) + assert(dec:decapsulate(px), "decapsulation failed") + enc.seq:high(3) -- pretend there has been massive packet loss + enc.seq:low(24) + for i = 1, ESP_RESYNC_THRESHOLD-1 do + px = packet.clone(p) + enc:encapsulate(px) + assert(not dec:decapsulate(px), "decapsulated pre-resync packet") + end + px = packet.clone(p) + enc:encapsulate(px) + assert(dec:decapsulate(px), "failed to resynchronize") end From 2d25d8075536242bc738a610781715cac6c95f88 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Thu, 25 Aug 2016 18:31:48 +0200 Subject: [PATCH 153/340] Move the line-oriented counters towards the edges of the app network This allows more accurate reporting in cases where apps process the packets before the lwaftr can (and after leaving it), including: a) Fragmentation/reassembly b) Control-plane messages, including ARP/NDP/pinging the lwaftr itself --- src/apps/lwaftr/ipv4_apps.lua | 18 ++++++++++++- src/apps/lwaftr/ipv6_apps.lua | 18 +++++++++++-- src/apps/lwaftr/lwaftr.lua | 27 ++----------------- .../tests/data/counters/arp-for-next-hop.lua | 2 ++ .../data/counters/icmpv6-ping-and-reply.lua | 4 +++ ...1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua | 8 +++--- .../data/counters/in-1p-ipv4-out-0p-drop.lua | 2 ++ .../counters/in-1p-ipv4-out-1p-ipv6-2.lua | 4 +-- .../counters/in-1p-ipv4-out-1p-ipv6-3.lua | 4 +-- .../counters/in-1p-ipv4-out-1p-ipv6-4.lua | 4 +-- .../in-1p-ipv4-out-1p-ipv6-6-outfrags.lua | 4 +-- .../counters/in-1p-ipv4-out-1p-ipv6-echo.lua | 6 +++-- .../data/counters/in-1p-ipv6-out-0p-ipv4.lua | 2 ++ .../counters/in-1p-ipv6-out-1p-icmpv6-1.lua | 2 ++ .../counters/in-1p-ipv6-out-1p-icmpv6-2.lua | 2 ++ .../counters/in-1p-ipv6-out-1p-ipv4-1.lua | 4 +-- .../counters/in-1p-ipv6-out-1p-ipv4-2.lua | 4 +-- .../counters/in-1p-ipv6-out-1p-ipv4-3.lua | 4 +-- .../in-1p-ipv6-out-1p-ipv4-4-and-echo.lua | 6 +++-- .../in-1p-ipv6-out-1p-ipv4-5-frags.lua | 4 +-- .../counters/in-1p-ipv6-out-1p-ipv4-5.lua | 8 +++--- .../ndp-no-na-next-hop6-mac-not-set-2pkts.lua | 2 +- .../ndp-no-na-next-hop6-mac-not-set-3pkts.lua | 8 +++--- .../data/counters/ndp-ns-for-next-hop.lua | 2 ++ .../counters/{nofrag4.lua => nofrag4-arp.lua} | 4 +++ .../tests/data/counters/nofrag4-ping.lua | 10 +++++++ .../data/counters/nofrag6-filterdrop.lua | 7 +++++ .../{nofrag6.lua => nofrag6-ns-badip.lua} | 2 ++ .../tests/data/counters/nofrag6-sol.lua | 4 +++ .../non-ipv4-traffic-to-ipv4-interface.lua | 1 - .../non-ipv6-traffic-to-ipv6-interface.lua | 1 - .../tests/end-to-end/core-end-to-end.sh | 10 +++---- 32 files changed, 120 insertions(+), 68 deletions(-) rename src/program/lwaftr/tests/data/counters/{nofrag4.lua => nofrag4-arp.lua} (63%) create mode 100644 src/program/lwaftr/tests/data/counters/nofrag4-ping.lua create mode 100644 src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua rename src/program/lwaftr/tests/data/counters/{nofrag6.lua => nofrag6-ns-badip.lua} (75%) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index 2765f94457..d19c571bbc 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -74,7 +74,17 @@ function Reassembler:push () for _=1,math.min(link.nreadable(input), link.nwritable(output)) do local pkt = receive(input) - if is_ipv4(pkt) and is_fragment(pkt) then + local v4 = is_ipv4(pkt) + if not v4 and not arp.is_arp(pkt) then + counter.add(self.counters["drop-misplaced-not-ipv4-bytes"], pkt.length) + counter.add(self.counters["drop-misplaced-not-ipv4-packets"]) + -- It's guaranteed to not be hairpinned. + counter.add(self.counters["drop-all-ipv4-iface-bytes"], pkt.length) + counter.add(self.counters["drop-all-ipv4-iface-packets"]) + packet.free(pkt) + elseif v4 and is_fragment(pkt) then + counter.add(self.counters["in-ipv4-bytes"], pkt.length) + counter.add(self.counters["in-ipv4-packets"]) counter.add(self.counters["in-ipv4-frag-needsreassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then @@ -95,6 +105,8 @@ function Reassembler:push () end else -- Forward all packets that aren't IPv4 fragments. + counter.add(self.counters["in-ipv4-bytes"], pkt.length) + counter.add(self.counters["in-ipv4-packets"]) counter.add(self.counters["in-ipv4-frag-reassembly-unneeded"]) transmit(output, pkt) end @@ -121,6 +133,8 @@ function Fragmenter:push () if status == fragmentv4.FRAGMENT_OK then for i=1,#frags do counter.add(self.counters["out-ipv4-frag"]) + counter.add(self.counters["out-ipv4-bytes"], frags[i].length) + counter.add(self.counters["out-ipv4-packets"]) transmit(output, frags[i]) end else @@ -128,6 +142,8 @@ function Fragmenter:push () packet.free(pkt) end else + counter.add(self.counters["out-ipv4-bytes"], pkt.length) + counter.add(self.counters["out-ipv4-packets"]) counter.add(self.counters["out-ipv4-frag-not"]) transmit(output, pkt) end diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 153c8d08d1..c7c77687c5 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -70,7 +70,15 @@ function ReassembleV6:push () for _=1,link.nreadable(input) do local pkt = receive(input) - if is_ipv6(pkt) and is_fragment(pkt) then + if not is_ipv6(pkt) then + counter.add(self.counters["drop-misplaced-not-ipv6-bytes"], pkt.length) + counter.add(self.counters["drop-misplaced-not-ipv6-packets"]) + counter.add(self.counters["drop-all-ipv6-iface-bytes"], pkt.length) + counter.add(self.counters["drop-all-ipv6-iface-packets"]) + packet.free(pkt) + elseif is_fragment(pkt) then + counter.add(self.counters["in-ipv6-bytes"], pkt.length) + counter.add(self.counters["in-ipv6-packets"]) counter.add(self.counters["in-ipv6-frag-needsreassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then @@ -91,7 +99,9 @@ function ReassembleV6:push () packet.free(pkt) end else - -- Forward all packets that aren't IPv6 fragments. + -- Forward all IPv6 packets that aren't IPv6 fragments. + counter.add(self.counters["in-ipv6-bytes"], pkt.length) + counter.add(self.counters["in-ipv6-packets"]) counter.add(self.counters["in-ipv6-frag-reassembly-unneeded"]) transmit(output, pkt) end @@ -122,10 +132,14 @@ function Fragmenter:push () local unfragmentable_header_size = ehs + ipv6_fixed_header_size local pkts = fragmentv6.fragment(pkt, unfragmentable_header_size, mtu) for i=1,#pkts do + counter.add(self.counters["out-ipv6-bytes"], pkts[i].length) + counter.add(self.counters["out-ipv6-packets"]) counter.add(self.counters["out-ipv6-frag"]) transmit(output, pkts[i]) end else + counter.add(self.counters["out-ipv6-bytes"], pkt.length) + counter.add(self.counters["out-ipv6-packets"]) counter.add(self.counters["out-ipv6-frag-not"]) transmit(output, pkt) end diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 28e2a1f57f..2b327d52f7 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -239,8 +239,6 @@ local function init_transmit_icmpv4_reply (lwstate) if ipv4_in_binding_table(lwstate, dst_ip) then return transmit(lwstate.input.hairpin_in, pkt) else - counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["out-ipv4-packets"]) return transmit(lwstate.o4, pkt) end else @@ -344,11 +342,8 @@ end -- packets is an internal implementation detail that DOES NOT go out over -- physical wires. -- Not incrementing out-ipv4-bytes and out-ipv4-packets is straightforward. --- Not incrementing in-ipv4-[bytes|packets] is harder. The easy way would be --- to add extra flags and conditionals, but it's expected that a high enough --- percentage of traffic might be hairpinned that this could be problematic, --- (and a nightmare as soon as we add any kind of parallelism) --- so instead we speculatively decrement the counters here. +-- Not incrementing in-ipv4-[bytes|packets] is harder. This is done via +-- an extra internal interface/queue for hairpinned packets. -- It is assumed that any packet we transmit to lwstate.input.v4 will not -- be dropped before the in-ipv4-[bytes|packets] counters are incremented; -- I *think* this approach bypasses using the physical NIC but am not @@ -364,8 +359,6 @@ local function transmit_ipv4(lwstate, pkt) counter.add(lwstate.counters["hairpin-ipv4-packets"]) return transmit(lwstate.input.hairpin_in, pkt) else - counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) - counter.add(lwstate.counters["out-ipv4-packets"]) return transmit(lwstate.o4, pkt) end end @@ -513,9 +506,6 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr print("encapsulated packet:") lwdebug.print_pkt(pkt) end - - counter.add(lwstate.counters["out-ipv6-bytes"], pkt.length) - counter.add(lwstate.counters["out-ipv6-packets"]) return transmit(lwstate.o6, pkt) end @@ -848,14 +838,8 @@ function LwAftr:push () -- Drop anything that's not IPv6. local pkt = receive(i6) if is_ipv6(pkt) then - counter.add(self.counters["in-ipv6-bytes"], pkt.length) - counter.add(self.counters["in-ipv6-packets"]) from_b4(self, pkt) else - counter.add(self.counters["drop-misplaced-not-ipv6-bytes"], pkt.length) - counter.add(self.counters["drop-misplaced-not-ipv6-packets"]) - counter.add(self.counters["drop-all-ipv6-iface-bytes"], pkt.length) - counter.add(self.counters["drop-all-ipv6-iface-packets"]) drop(pkt) end end @@ -866,15 +850,8 @@ function LwAftr:push () -- packets. Drop anything that's not IPv4. local pkt = receive(i4) if is_ipv4(pkt) then - counter.add(self.counters["in-ipv4-bytes"], pkt.length) - counter.add(self.counters["in-ipv4-packets"]) from_inet(self, pkt, PKT_FROM_INET) else - counter.add(self.counters["drop-misplaced-not-ipv4-bytes"], pkt.length) - counter.add(self.counters["drop-misplaced-not-ipv4-packets"]) - -- It's guaranteed to not be hairpinned. - counter.add(self.counters["drop-all-ipv4-iface-bytes"], pkt.length) - counter.add(self.counters["drop-all-ipv4-iface-packets"]) drop(pkt) end end diff --git a/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua b/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua index 59a62cd9f2..35ff210f10 100644 --- a/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua +++ b/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua @@ -1,5 +1,7 @@ return { ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv4-bytes"] = 42, ["out-ipv4-frag-not"] = 1, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua b/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua index abb10b6648..1943e90393 100644 --- a/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua +++ b/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua @@ -1,6 +1,10 @@ return { + ["in-ipv6-bytes"] = 74, ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv6-bytes"] = 74, ["out-ipv6-frag-not"] = 1, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua index 69983dc863..3befe53d43 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua @@ -1,11 +1,11 @@ return { - ["in-ipv4-bytes"] = 1474, + ["in-ipv4-bytes"] = 1542, ["in-ipv4-frag-needsreassembly"] = 3, ["in-ipv4-frag-reassembled"] = 1, - ["in-ipv4-packets"] = 1, + ["in-ipv4-packets"] = 3, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, - ["out-ipv6-bytes"] = 1514, + ["out-ipv6-bytes"] = 1584, ["out-ipv6-frag"] = 2, - ["out-ipv6-packets"] = 1, + ["out-ipv6-packets"] = 2, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua index da3c208dd4..93ebc0ee42 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua @@ -1,5 +1,7 @@ return { + ["in-ipv4-bytes"] = 66, ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua index a73aafc64f..9839223fc6 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua @@ -1,8 +1,8 @@ return { - ["in-ipv4-bytes"] = 1460, + ["in-ipv4-bytes"] = 1528, ["in-ipv4-frag-needsreassembly"] = 3, ["in-ipv4-frag-reassembled"] = 1, - ["in-ipv4-packets"] = 1, + ["in-ipv4-packets"] = 3, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv6-bytes"] = 1500, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua index d15e472238..c6c8388c2d 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua @@ -4,7 +4,7 @@ return { ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, - ["out-ipv6-bytes"] = 1534, + ["out-ipv6-bytes"] = 1604, ["out-ipv6-frag"] = 2, - ["out-ipv6-packets"] = 1, + ["out-ipv6-packets"] = 2, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua index af39a710f8..3ad73d1c00 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua @@ -4,7 +4,7 @@ return { ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, - ["out-ipv6-bytes"] = 2774, + ["out-ipv6-bytes"] = 2906, ["out-ipv6-frag"] = 3, - ["out-ipv6-packets"] = 1, + ["out-ipv6-packets"] = 3, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua index 7b96b036db..fde541804b 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua @@ -4,7 +4,7 @@ return { ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, - ["out-ipv6-bytes"] = 1514, + ["out-ipv6-bytes"] = 1584, ["out-ipv6-frag"] = 2, - ["out-ipv6-packets"] = 1, + ["out-ipv6-packets"] = 2, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua index 79dc222f9f..e43bbb83fc 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua @@ -1,10 +1,12 @@ return { - ["in-ipv4-bytes"] = 66, + ["in-ipv4-bytes"] = 120, ["in-ipv4-frag-reassembly-unneeded"] = 2, - ["in-ipv4-packets"] = 1, + ["in-ipv4-packets"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv4-bytes"] = 54, ["out-ipv4-frag-not"] = 1, + ["out-ipv4-packets"] = 1, ["out-ipv6-bytes"] = 106, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua index 367adcd92e..ba8ea99669 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua @@ -1,6 +1,8 @@ return { ["drop-ipv6-frag-invalid-reassembly"] = 1, + ["in-ipv6-bytes"] = 1604, ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-packets"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 457260448, ["memuse-ipv6-frag-reassembly-buffer"] = 247536, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua index cca0414d76..87ff2c58a3 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua @@ -10,5 +10,7 @@ return { ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-icmpv6-bytes"] = 154, ["out-icmpv6-packets"] = 1, + ["out-ipv6-bytes"] = 154, ["out-ipv6-frag-not"] = 1, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua index 0e88eab566..dc82621f2e 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua @@ -10,5 +10,7 @@ return { ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-icmpv6-bytes"] = 186, ["out-icmpv6-packets"] = 1, + ["out-ipv6-bytes"] = 186, ["out-ipv6-frag-not"] = 1, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua index b28340aded..2342b84252 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua @@ -4,7 +4,7 @@ return { ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, - ["out-ipv4-bytes"] = 1006, + ["out-ipv4-bytes"] = 1040, ["out-ipv4-frag"] = 2, - ["out-ipv4-packets"] = 1, + ["out-ipv4-packets"] = 2, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua index 26b5eaf1ff..b4fe67ae84 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua @@ -4,7 +4,7 @@ return { ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, - ["out-ipv4-bytes"] = 1460, + ["out-ipv4-bytes"] = 1528, ["out-ipv4-frag"] = 3, - ["out-ipv4-packets"] = 1, + ["out-ipv4-packets"] = 3, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua index 26419a9583..c64609799d 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua @@ -1,8 +1,8 @@ return { - ["in-ipv6-bytes"] = 1534, + ["in-ipv6-bytes"] = 1604, ["in-ipv6-frag-needsreassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, - ["in-ipv6-packets"] = 1, + ["in-ipv6-packets"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv4-bytes"] = 1494, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua index aa8a2e39cb..00d167f02f 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua @@ -1,11 +1,13 @@ return { - ["in-ipv6-bytes"] = 106, + ["in-ipv6-bytes"] = 180, ["in-ipv6-frag-reassembly-unneeded"] = 2, - ["in-ipv6-packets"] = 1, + ["in-ipv6-packets"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv4-bytes"] = 66, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, + ["out-ipv6-bytes"] = 74, ["out-ipv6-frag-not"] = 1, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua index 0b5e3402cf..78983c88e5 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua @@ -1,8 +1,8 @@ return { - ["in-ipv6-bytes"] = 1514, + ["in-ipv6-bytes"] = 1584, ["in-ipv6-frag-needsreassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, - ["in-ipv6-packets"] = 1, + ["in-ipv6-packets"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv4-bytes"] = 1474, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua index ad4aa97e6b..14de0349cc 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua @@ -1,11 +1,11 @@ return { - ["in-ipv6-bytes"] = 1514, + ["in-ipv6-bytes"] = 1584, ["in-ipv6-frag-needsreassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, - ["in-ipv6-packets"] = 1, + ["in-ipv6-packets"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, - ["out-ipv4-bytes"] = 1474, + ["out-ipv4-bytes"] = 1542, ["out-ipv4-frag"] = 3, - ["out-ipv4-packets"] = 1, + ["out-ipv4-packets"] = 3, } diff --git a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua index 775b31691c..fdef1b5e1d 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua @@ -9,7 +9,7 @@ return { ["out-ipv4-bytes"] = 66, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, - ["out-ipv6-bytes"] = 106, + ["out-ipv6-bytes"] = 86, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua index 1d2c2fee57..7ed9832093 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua @@ -1,15 +1,15 @@ return { ["hairpin-ipv4-bytes"] = 66, ["hairpin-ipv4-packets"] = 1, - ["in-ipv6-bytes"] = 212, + ["in-ipv6-bytes"] = 298, ["in-ipv6-frag-reassembly-unneeded"] = 3, - ["in-ipv6-packets"] = 2, + ["in-ipv6-packets"] = 3, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, ["out-ipv4-bytes"] = 66, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, - ["out-ipv6-bytes"] = 106, + ["out-ipv6-bytes"] = 192, ["out-ipv6-frag-not"] = 2, - ["out-ipv6-packets"] = 1, + ["out-ipv6-packets"] = 2, } diff --git a/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua b/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua index e3fd6e4ae6..9a580af82b 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua @@ -1,5 +1,7 @@ return { ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv6-bytes"] = 86, ["out-ipv6-frag-not"] = 1, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/nofrag4.lua b/src/program/lwaftr/tests/data/counters/nofrag4-arp.lua similarity index 63% rename from src/program/lwaftr/tests/data/counters/nofrag4.lua rename to src/program/lwaftr/tests/data/counters/nofrag4-arp.lua index 6afa9501d1..a9e0e431a6 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag4.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag4-arp.lua @@ -1,6 +1,10 @@ return { + ["in-ipv4-bytes"] = 42, ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv4-bytes"] = 42, ["out-ipv4-frag-not"] = 1, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua b/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua new file mode 100644 index 0000000000..6af4f51744 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua @@ -0,0 +1,10 @@ +return { + ["in-ipv4-bytes"] = 54, + ["in-ipv4-frag-reassembly-unneeded"] = 1, + ["in-ipv4-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv4-bytes"] = 54, + ["out-ipv4-frag-not"] = 1, + ["out-ipv4-packets"] = 1, +} diff --git a/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua b/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua new file mode 100644 index 0000000000..4b3c7ee574 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua @@ -0,0 +1,7 @@ +return { + ["in-ipv6-bytes"] = 106, + ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["in-ipv6-packets"] = 1, + ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, + ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, +} diff --git a/src/program/lwaftr/tests/data/counters/nofrag6.lua b/src/program/lwaftr/tests/data/counters/nofrag6-ns-badip.lua similarity index 75% rename from src/program/lwaftr/tests/data/counters/nofrag6.lua rename to src/program/lwaftr/tests/data/counters/nofrag6-ns-badip.lua index 3268666c4f..f42381bf51 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag6.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag6-ns-badip.lua @@ -1,5 +1,7 @@ return { + ["in-ipv6-bytes"] = 86, ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua b/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua index abb10b6648..463c592bc0 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua @@ -1,6 +1,10 @@ return { + ["in-ipv6-bytes"] = 86, ["in-ipv6-frag-reassembly-unneeded"] = 1, + ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["out-ipv6-bytes"] = 86, ["out-ipv6-frag-not"] = 1, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua b/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua index 33041b3ae2..e0fcab65c8 100644 --- a/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua +++ b/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua @@ -3,7 +3,6 @@ return { ["drop-all-ipv6-iface-packets"] = 1, ["drop-misplaced-not-ipv6-bytes"] = 66, ["drop-misplaced-not-ipv6-packets"] = 1, - ["in-ipv6-frag-reassembly-unneeded"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua b/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua index 03185cee8e..30ad5da4d0 100644 --- a/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua +++ b/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua @@ -3,7 +3,6 @@ return { ["drop-all-ipv4-iface-packets"] = 1, ["drop-misplaced-not-ipv4-bytes"] = 106, ["drop-misplaced-not-ipv4-packets"] = 1, - ["in-ipv4-frag-reassembly-unneeded"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, } diff --git a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh index 2b0ac3f154..2ea9440390 100755 --- a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh @@ -111,7 +111,7 @@ echo "Testing: NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/ndp_incoming_ns_nonlwaftr.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/nofrag6.lua + ${COUNTERS}/nofrag6-ns-badip.lua echo "Testing: NDP: IPv6 but not eth addr of next IPv6 hop set, do Neighbor Solicitation" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ @@ -123,7 +123,7 @@ echo "Testing: ARP: incoming ARP request" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/arp_request_recv.pcap ${EMPTY} \ ${TEST_BASE}/arp_reply_send.pcap ${EMPTY} \ - ${COUNTERS}/nofrag4.lua + ${COUNTERS}/nofrag4-arp.lua echo "Testing: ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_without_mac4.conf \ @@ -527,7 +527,7 @@ echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DRO snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/nofrag6.lua + ${COUNTERS}/nofrag6-filterdrop.lua # Egress filters @@ -541,7 +541,7 @@ echo "Testing: egress-filter: to-internet (IPv4) (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/nofrag6.lua + ${COUNTERS}/nofrag6-filterdrop.lua echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ @@ -559,7 +559,7 @@ echo "Testing: ICMP Echo to AFTR (IPv4)" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/ping-v4.pcap ${EMPTY} \ ${TEST_BASE}/ping-v4-reply.pcap ${EMPTY} \ - ${COUNTERS}/nofrag4.lua + ${COUNTERS}/nofrag4-ping.lua echo "Testing: ICMP Echo to AFTR (IPv4) + data" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ From f04e111331b13e29c01eb41023b41928291fa140 Mon Sep 17 00:00:00 2001 From: Diego Pino Date: Thu, 30 Jun 2016 11:12:05 +0000 Subject: [PATCH 154/340] Implement next-hop forwarder --- src/apps/nh_fwd/README.md | 8 + src/apps/nh_fwd/nh_fwd.lua | 415 +++++++++++++++++++++++++++++++++++++ 2 files changed, 423 insertions(+) create mode 100644 src/apps/nh_fwd/README.md create mode 100644 src/apps/nh_fwd/nh_fwd.lua diff --git a/src/apps/nh_fwd/README.md b/src/apps/nh_fwd/README.md new file mode 100644 index 0000000000..4d3f937270 --- /dev/null +++ b/src/apps/nh_fwd/README.md @@ -0,0 +1,8 @@ +Next hop forwarder +------------------ + +Implements two network classificators: nh_fwd4 and nh_fwd6, for IPv4 and IPv6 traffic respectivally. + +A Next-hop forwarder redirects traffic coming from one input link, normally the wire, to two different output links, a service and a VM. The decision is based on examining the headers of packets and applying heuristics. + +The common use case of this app is when we need to forward incoming traffic to a specialized service, for instance the lwAFTR, and forward the rest of the traffic to a VM. diff --git a/src/apps/nh_fwd/nh_fwd.lua b/src/apps/nh_fwd/nh_fwd.lua new file mode 100644 index 0000000000..b254ba4d30 --- /dev/null +++ b/src/apps/nh_fwd/nh_fwd.lua @@ -0,0 +1,415 @@ +module(..., package.seeall) + +local app = require("core.app") +local basic_apps = require("apps.basic.basic_apps") +local bit = require("bit") +local constants = require("apps.lwaftr.constants") +local ethernet = require("lib.protocol.ethernet") +local ipv4 = require("lib.protocol.ipv4") +local lib = require("core.lib") +local lwutil = require("apps.lwaftr.lwutil") +local shm = require("core.shm") + +local ffi = require("ffi") +local C = ffi.C + +local transmit, receive = link.transmit, link.receive +local htons, ntohs = lib.htons, lib.ntohs +local htonl, ntohl = lib.htonl, lib.ntohl +local rd16, rd32 = lwutil.rd16, lwutil.rd32 +local bor, lshift = bit.bor, bit.lshift + +nh_fwd4 = {} +nh_fwd6 = {} + +local ethernet_header_size = constants.ethernet_header_size +local n_ethertype_ipv4 = constants.n_ethertype_ipv4 +local n_ethertype_ipv6 = constants.n_ethertype_ipv6 +local n_ipencap = 4 +local n_ipfragment = 44 +local o_ipv4_dst_addr = constants.o_ipv4_dst_addr +local o_ipv4_src_addr = constants.o_ipv4_src_addr + +local n_cache_src_ipv4 = ipv4:pton("0.0.0.0") +local n_next_hop_mac_empty = ethernet:pton("00:00:00:00:00:00") + +local function get_ethertype(pkt) + return rd16(pkt.data + (ethernet_header_size - 2)) +end +local function get_ethernet_payload(pkt) + return pkt.data + ethernet_header_size +end +local function copy_ether(dst, src) + ffi.copy(dst, src, 6) +end +local function get_ipv4_dst_address(ptr) + return rd32(ptr + o_ipv4_dst_addr) +end +local function get_ipv4_src_address(ptr) + return rd32(ptr + o_ipv4_src_addr) +end +local function get_ipv6_next_header(ptr) + return ptr[o_ipv6_next_header] +end +local function get_ether_dhost_ptr (pkt) + return pkt.data +end +local function ether_equals (dst, src) + return C.memcmp(dst, src, 6) == 0 +end +local function get_ipv6_src_address(ptr) + return ptr + o_ipv6_src_addr +end + +function nh_fwd4:new (conf) + assert(conf.mac_address, "MAC address is missing") + assert(conf.ipv4_address, "IPv4 address is missing") + + local mac_address = ethernet:pton(conf.mac_address) + local ipv4_address = rd32(ipv4:pton(conf.ipv4_address)) + local service_mac = conf.service_mac and ethernet:pton(conf.service_mac) + local debug = conf.debug or false + local cache_refresh_interval = conf.cache_refresh_interval or 0 + print(("nh_fwd4: cache_refresh_interval set to %d seconds"):format(cache_refresh_interval)) + + local next_hop_mac = shm.create("next_hop_mac_v4", "struct { uint8_t ether[6]; }") + if conf.next_hop_mac then + next_hop_mac = ethernet:pton(conf.next_hop_mac) + print(("nh_fwd4: static next_hop_mac %s"):format(ethernet:ntop(next_hop_mac))) + end + + local o = { + mac_address = mac_address, + next_hop_mac = next_hop_mac, + ipv4_address = ipv4_address, + service_mac = service_mac, + debug = debug, + cache_refresh_time = 0, + cache_refresh_interval = cache_refresh_interval + } + return setmetatable(o, {__index = nh_fwd4}) +end + +function nh_fwd4:push () + local input_service, output_service = self.input.service, self.output.service + local input_wire, output_wire = self.input.wire, self.output.wire + local input_vm, output_vm = self.input.vm, self.output.vm + + local next_hop_mac = self.next_hop_mac + local service_mac = self.service_mac + local mac_address = self.mac_address + local current_time = tonumber(app.now()) + + -- IPv4 from Wire. + if input_wire then + for _=1,link.nreadable(input_wire) do + local pkt = receive(input_wire) + local ipv4_address = self.ipv4_address + local ipv4_hdr = get_ethernet_payload(pkt) + + if get_ethertype(pkt) == n_ethertype_ipv4 and + get_ipv4_dst_address(ipv4_hdr) ~= ipv4_address then + transmit(output_service, pkt) + elseif output_vm then + transmit(output_vm, pkt) + else + packet.free(pkt) + end + end + end + + -- IPv4 from VM. + if input_vm then + for _=1,link.nreadable(input_vm) do + local pkt = receive(input_vm) + local ether_dhost = get_ether_dhost_ptr(pkt) + local ipv4_hdr = get_ethernet_payload(pkt) + + if service_mac and ether_equals(ether_dhost, service_mac) then + transmit(output_service, pkt) + elseif self.cache_refresh_interval > 0 and + get_ipv4_src_address(ipv4_hdr) == n_cache_src_ipv4 then + -- Our magic cache next-hop resolution packet. Never send this out. + copy_ether(self.next_hop_mac, ether_dhost) + if self.debug > 0 then + print(("nh_fwd4: learning next-hop '%s'"):format(ethernet:ntop(self.next_hop_mac))) + end + packet.free(pkt) + else + transmit(output_wire, pkt) + end + end + end + + -- IPv4 from Service. + if input_service then + for _=1,link.nreadable(input_service) do + local pkt = receive(input_service) + local ether_dhost = get_ether_dhost_ptr(pkt) + + if self.cache_refresh_interval > 0 and output_vm then + if current_time > self.cache_refresh_time + self.cache_refresh_interval then + self.cache_refresh_time = current_time + send_ipv4_cache_trigger(output_vm, packet.clone(pkt), mac_address) + end + end + + -- Only use a cached, non-empty, mac address. + if not ether_equals(next_hop_mac, n_next_hop_mac_empty) then + -- Set nh mac and send the packet out the wire. + copy_ether(ether_dhost, next_hop_mac) + transmit(output_wire, pkt) + elseif self.cache_refresh_interval == 0 and output_vm then + -- Set nh mac matching the one for the vm. + copy_ether(ether_dhost, next_hop_mac) + transmit(output_vm, pkt) + else + packet.free(pkt) + end + end + end +end + +function nh_fwd6:new (config) + assert(conf.mac_address, "MAC address is missing") + assert(conf.ipv6_address, "IPv6 address is missing") + + local mac_address = ethernet:pton(conf.mac_address) + local ipv6_address = ipv6:pton(conf.ipv6_address) + local service_mac = conf.service_mac and ethernet:pton(conf.service_mac) + local debug = conf.debug or false + local cache_refresh_interval = conf.cache_refresh_interval or 0 + print(("nh_fwd6: cache_refresh_interval set to %d seconds"):format(cache_refresh_interval)) + + local next_hop_mac = shm.create("next_hop_mac_v6", "struct { uint8_t ether[6]; }") + if conf.next_hop_mac then + next_hop_mac = ethernet:pton(conf.next_hop_mac) + print(("nh_fwd6: static next_hop_mac %s"):format(ethernet:ntop(next_hop_mac))) + end + + local o = { + mac_address = mac_address, + next_hop_mac = next_hop_mac, + ipv6_address = ipv6_address, + service_mac = service_mac, + debug = debug, + cache_refresh_time = 0, + cache_refresh_interval = cache_refresh_interval + } + return setmetatable(o, {__index = nh_fwd6}) +end + +function nh_fwd6:push () + local input_service, output_service = self.input.service, self.output.service + local input_wire, output_wire = self.input.wire, self.output.wire + local input_vm, output_vm = self.input.vm, self.output.vm + + local next_hop_mac = self.next_hop_mac + local service_mac = self.service_mac + local mac_address = self.mac_address + local current_time = tonumber(app.now()) + + -- IPv6 from Wire. + if input_wire then + for _=1,link.nreadable(input_wire) do + local pkt = receive(input_wire) + local ipv6_header = get_ethernet_payload(pkt) + local proto = get_ipv6_next_header(ipv6_header) + + if proto == n_ipencap or proto == n_ipfragment then + transmit(output_service, pkt) + elseif output_vm then + transmit(output_vm, pkt) + else + packet.free(pkt) + end + end + end + + -- IPv6 from VM. + if input_vm then + for _=1,link.nreadable(input_vm) do + local pkt = receive(input_vm) + local ether_dhost = get_ether_dhost_ptr(pkt) + local ipv6_hdr = get_ethernet_payload(pkt) + + if service_mac and ether_equals(ether_dhost, service_mac) then + transmit(output_service, pkt) + elseif self.cache_refresh_interval > 0 and + ipv6_equals(get_ipv6_src_address(ipv6_hdr), n_cache_src_ipv6) then + copy_ether(self.next_hop_mac, ether_dhost) + if self.debug > 0 then + print(("nh_fwd6: learning next-hop %s"):format(ethernet:ntop(self.next_hop_mac))) + end + packet.free(pkt) + else + transmit(output_wire, pkt) + end + end + end + + -- IPv6 from Service. + if input_service then + for _=1,link.nreadable(input_service) do + local pkt = receive(input_service) + local ether_dhost = get_ether_dhost_ptr(pkt) + + if self.cache_refresh_interval > 0 and output_vm then + if current_time > self.cache_refresh_time + self.cache_refresh_interval then + self.cache_refresh_time = current_time + send_ipv6_cache_trigger(output_vm, packet.clone(pkt), mac_address) + end + end + + -- Only use a cached, non-empty, mac address. + if not ether_equals(next_hop_mac, n_next_hop_mac_empty) then + -- Set next-hop MAC and send the packet out the wire. + copy_ether(ether_dhost, next_hop_mac) + transmit(output_wire, pkt) + elseif self.cache_refresh_interval == 0 and output_vm then + -- Set next-hop MAC matching the one for the VM. + copy_ether(ether_dhost, next_hop_mac) + transmit(output_vm, pkt) + else + packet.free(pkt) + end + end + end + +end + +-- Unit tests. + +local function transmit_packets (l, pkts) + for _, pkt in ipairs(pkts) do + link.transmit(l, packet.from_string(pkt)) + end +end + +-- Test Wire to VM and Service. +local function test_ipv4_wire_to_vm_and_service (pkts) + local c = config.new() + config.app(c, 'source', basic_apps.Join) + config.app(c, 'repeater', basic_apps.Repeater) + config.app(c, 'sink', basic_apps.Sink) + config.app(c, 'nh_fwd', nh_fwd4, { + mac_address = "52:54:00:00:00:01", + next_hop_mac = "52:54:00:00:00:02", + service_mac = "52:54:00:00:00:03", + ipv4_address = "192.168.1.1", + }) + config.link(c, 'source.out -> nh_fwd.wire') + config.link(c, 'nh_fwd.service -> sink.in1') + config.link(c, 'nh_fwd.vm -> sink.in2') + + engine.configure(c) + transmit_packets(engine.app_table.source.output.out, pkts) + engine.main({duration = 0.1, noreport = true}) + assert(link.stats(engine.app_table.sink.input.in1).rxpackets == 1) + assert(link.stats(engine.app_table.sink.input.in2).rxpackets == 1) +end + +-- Test VM to Service and Wire. +local function test_ipv4_vm_to_service_and_wire(pkts) + engine.configure(config.new()) -- Clean up engine. + local c = config.new() + config.app(c, 'source', basic_apps.Join) + config.app(c, 'repeater', basic_apps.Repeater) + config.app(c, 'sink', basic_apps.Sink) + config.app(c, 'nh_fwd', nh_fwd4, { + mac_address = "52:54:00:00:00:01", + next_hop_mac = "52:54:00:00:00:02", + service_mac = "52:54:00:00:00:01", + ipv4_address = "192.168.1.1", + }) + config.link(c, 'source.out -> nh_fwd.vm') + config.link(c, 'nh_fwd.service -> sink.in1') + config.link(c, 'nh_fwd.wire -> sink.in2') + + engine.configure(c) + transmit_packets(engine.app_table.source.output.out, pkts) + engine.main({duration = 0.1, noreport = true}) + assert(link.stats(engine.app_table.sink.input.in1).rxpackets == 1) + assert(link.stats(engine.app_table.sink.input.in2).rxpackets == 1) +end + +-- Test input Service -> Wire. +local function test_ipv4_service_to_wire (pkts) + local c = config.new() + config.app(c, 'source', basic_apps.Join) + config.app(c, 'repeater', basic_apps.Repeater) + config.app(c, 'sink', basic_apps.Sink) + config.app(c, 'nh_fwd', nh_fwd4, { + mac_address = "52:54:00:00:00:01", + next_hop_mac = "00:00:00:00:00:00", + service_mac = "52:54:00:00:00:03", + ipv4_address = "192.168.1.1", + }) + config.link(c, 'source.out -> nh_fwd.service') + config.link(c, 'nh_fwd.wire -> sink.in1') + + engine.configure(c) + transmit_packets(engine.app_table.source.output.out, pkts) + engine.main({duration = 0.1, noreport = true}) + assert(link.stats(engine.app_table.sink.input.in1).rxpackets == 1) +end + +-- Test input Service -> VM. +local function test_ipv4_service_to_vm (pkts) + local c = config.new() + config.app(c, 'source', basic_apps.Join) + config.app(c, 'repeater', basic_apps.Repeater) + config.app(c, 'sink', basic_apps.Sink) + config.app(c, 'nh_fwd', nh_fwd4, { + mac_address = "52:54:00:00:00:01", + next_hop_mac = "52:54:00:00:00:02", + service_mac = "52:54:00:00:00:03", + ipv4_address = "192.168.1.1", + }) + config.link(c, 'source.out -> nh_fwd.service') + config.link(c, 'nh_fwd.vm -> sink.in1') + + engine.configure(c) + transmit_packets(engine.app_table.source.output.out, pkts) + engine.main({duration = 0.1, noreport = true}) + assert(link.stats(engine.app_table.sink.input.in1).rxpackets == 1) +end + +local function flush () + C.sleep(0.5) + engine.configure(config.new()) +end + +local function test_ipv4_flow () + local pkt1 = lib.hexundump ([[ + 52:54:00:00:00:01 52:54:00:00:00:02 08 00 45 00 + 00 54 c3 cd 40 00 40 01 f3 23 c0 a8 01 66 c0 a8 + 01 01 08 00 57 ea 61 1a 00 06 5c ba 16 53 00 00 + 00 00 04 15 09 00 00 00 00 00 10 11 12 13 14 15 + 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 + 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 + 36 37 + ]], 98) + local pkt2 = lib.hexundump ([[ + 52:54:00:00:00:03 52:54:00:00:00:02 08 00 45 00 + 00 54 c3 cd 40 00 40 01 f3 23 c0 a8 01 66 c0 a8 + 01 02 08 00 57 ea 61 1a 00 06 5c ba 16 53 00 00 + 00 00 04 15 09 00 00 00 00 00 10 11 12 13 14 15 + 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 + 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 + 36 37 + ]], 98) + test_ipv4_wire_to_vm_and_service({pkt1, pkt2}) + flush() + test_ipv4_vm_to_service_and_wire({pkt1, pkt2}) + flush() + test_ipv4_service_to_vm({pkt1}) + flush() + test_ipv4_service_to_wire({pkt1}) + flush() +end + +function selftest () + print("nh_fwd: selftest") + test_ipv4_flow() +end From 7ca5e524af8f17856a0a9c1e33c6141d5ec4c196 Mon Sep 17 00:00:00 2001 From: Diego Pino Date: Fri, 1 Jul 2016 10:27:59 +0000 Subject: [PATCH 155/340] Add nh_fwd unit tests --- src/apps/nh_fwd/nh_fwd.lua | 229 +++++++++++++++++++++++++++++++------ 1 file changed, 194 insertions(+), 35 deletions(-) diff --git a/src/apps/nh_fwd/nh_fwd.lua b/src/apps/nh_fwd/nh_fwd.lua index b254ba4d30..b084be7e5e 100644 --- a/src/apps/nh_fwd/nh_fwd.lua +++ b/src/apps/nh_fwd/nh_fwd.lua @@ -5,7 +5,9 @@ local basic_apps = require("apps.basic.basic_apps") local bit = require("bit") local constants = require("apps.lwaftr.constants") local ethernet = require("lib.protocol.ethernet") +local ipsum = require("lib.checksum").ipsum local ipv4 = require("lib.protocol.ipv4") +local ipv6 = require("lib.protocol.ipv6") local lib = require("core.lib") local lwutil = require("apps.lwaftr.lwutil") local shm = require("core.shm") @@ -23,14 +25,20 @@ nh_fwd4 = {} nh_fwd6 = {} local ethernet_header_size = constants.ethernet_header_size +local n_ether_hdr_size = 14 local n_ethertype_ipv4 = constants.n_ethertype_ipv4 local n_ethertype_ipv6 = constants.n_ethertype_ipv6 local n_ipencap = 4 local n_ipfragment = 44 +local n_ipv4_hdr_size = 20 +local o_ipv4_checksum = constants.o_ipv4_checksum local o_ipv4_dst_addr = constants.o_ipv4_dst_addr local o_ipv4_src_addr = constants.o_ipv4_src_addr +local o_ipv6_next_header = constants.o_ipv6_next_header +local o_ipv6_src_addr = constants.o_ipv6_src_addr local n_cache_src_ipv4 = ipv4:pton("0.0.0.0") +local n_cache_src_ipv6 = ipv6:pton("fe80::") local n_next_hop_mac_empty = ethernet:pton("00:00:00:00:00:00") local function get_ethertype(pkt) @@ -39,14 +47,17 @@ end local function get_ethernet_payload(pkt) return pkt.data + ethernet_header_size end -local function copy_ether(dst, src) - ffi.copy(dst, src, 6) -end local function get_ipv4_dst_address(ptr) return rd32(ptr + o_ipv4_dst_addr) end +local function get_ipv4_src_ptr(ptr) + return ptr + o_ipv4_src_addr +end local function get_ipv4_src_address(ptr) - return rd32(ptr + o_ipv4_src_addr) + return rd32(get_ipv4_src_ptr(ptr)) +end +local function get_ipv4_checksum_ptr (ptr) + return ptr + o_ipv4_checksum end local function get_ipv6_next_header(ptr) return ptr[o_ipv6_next_header] @@ -60,6 +71,52 @@ end local function get_ipv6_src_address(ptr) return ptr + o_ipv6_src_addr end +local function copy_ether(dst, src) + ffi.copy(dst, src, 6) +end +local function copy_ipv4(dst, src) + ffi.copy(dst, src, 4) +end +local function copy_ipv6(dst, src) + ffi.copy(dst, src, 16) +end + +-- Set a bogus source IP address fe80::, so we can recognize it later when +-- it comes back from the VM. +-- +-- Tried initially to use ::0 as source, but such packets are discarded +-- by the VM due to RFC 4007, chapter 9, which also considers the source IPv6 +-- address. +-- +-- Using the link local address fe80::, the packets are properly routed back +-- thru the same interface. Not sure if its OK to use that address or if there +-- is a better way. +local function send_ipv6_cache_trigger (r, pkt, mac) + local ether_dhost = get_ether_dhost_ptr(pkt) + local ipv6_hdr = get_ethernet_payload(pkt) + local ipv6_src_ip = get_ipv6_src_address(ipv6_hdr) + + -- VM will discard packets not matching its MAC address on the interface. + copy_ether(ether_dhost, mac) + copy_ipv6(ipv6_src_ip, n_cache_src_ipv6) + transmit(r, pkt) +end + +local function send_ipv4_cache_trigger(r, pkt, mac) + -- Set a bogus source IP address of 0.0.0.0. + local ether_dhost = get_ether_dhost_ptr(pkt) + local ipv4_hdr = get_ethernet_payload(pkt) + local ipv4_src_ip = get_ipv4_src_ptr(ipv4_hdr) + local ipv4_checksum = get_ipv4_checksum_ptr(ipv4_hdr) + + -- VM will discard packets not matching its MAC address on the interface. + copy_ether(ether_dhost, mac) + copy_ipv4(ipv4_src_ip, n_cache_src_ipv4) + -- Clear checksum to recalculate it with new source IPv4 address. + ipv4_checksum = 0 + ipv4_checksum = htons(ipsum(pkt.data + n_ether_hdr_size, n_ipv4_hdr_size, 0)) + transmit(r, pkt) +end function nh_fwd4:new (conf) assert(conf.mac_address, "MAC address is missing") @@ -170,7 +227,7 @@ function nh_fwd4:push () end end -function nh_fwd6:new (config) +function nh_fwd6:new (conf) assert(conf.mac_address, "MAC address is missing") assert(conf.ipv6_address, "IPv6 address is missing") @@ -275,7 +332,6 @@ function nh_fwd6:push () end end end - end -- Unit tests. @@ -294,9 +350,8 @@ local function test_ipv4_wire_to_vm_and_service (pkts) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd4, { mac_address = "52:54:00:00:00:01", - next_hop_mac = "52:54:00:00:00:02", - service_mac = "52:54:00:00:00:03", - ipv4_address = "192.168.1.1", + service_mac = "02:aa:aa:aa:aa:aa", + ipv4_address = "10.0.1.1", }) config.link(c, 'source.out -> nh_fwd.wire') config.link(c, 'nh_fwd.service -> sink.in1') @@ -318,9 +373,8 @@ local function test_ipv4_vm_to_service_and_wire(pkts) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd4, { mac_address = "52:54:00:00:00:01", - next_hop_mac = "52:54:00:00:00:02", - service_mac = "52:54:00:00:00:01", - ipv4_address = "192.168.1.1", + service_mac = "02:aa:aa:aa:aa:aa", + ipv4_address = "10.0.1.1", }) config.link(c, 'source.out -> nh_fwd.vm') config.link(c, 'nh_fwd.service -> sink.in1') @@ -341,9 +395,9 @@ local function test_ipv4_service_to_wire (pkts) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd4, { mac_address = "52:54:00:00:00:01", - next_hop_mac = "00:00:00:00:00:00", - service_mac = "52:54:00:00:00:03", - ipv4_address = "192.168.1.1", + service_mac = "02:aa:aa:aa:aa:aa", + ipv4_address = "10.0.1.1", + next_hop_mac = "52:54:00:00:00:02", }) config.link(c, 'source.out -> nh_fwd.service') config.link(c, 'nh_fwd.wire -> sink.in1') @@ -362,9 +416,8 @@ local function test_ipv4_service_to_vm (pkts) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd4, { mac_address = "52:54:00:00:00:01", - next_hop_mac = "52:54:00:00:00:02", - service_mac = "52:54:00:00:00:03", - ipv4_address = "192.168.1.1", + service_mac = "02:aa:aa:aa:aa:aa", + ipv4_address = "10.0.1.1", }) config.link(c, 'source.out -> nh_fwd.service') config.link(c, 'nh_fwd.vm -> sink.in1') @@ -382,34 +435,140 @@ end local function test_ipv4_flow () local pkt1 = lib.hexundump ([[ - 52:54:00:00:00:01 52:54:00:00:00:02 08 00 45 00 - 00 54 c3 cd 40 00 40 01 f3 23 c0 a8 01 66 c0 a8 - 01 01 08 00 57 ea 61 1a 00 06 5c ba 16 53 00 00 - 00 00 04 15 09 00 00 00 00 00 10 11 12 13 14 15 - 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 - 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 - 36 37 - ]], 98) + 02:aa:aa:aa:aa:aa 02:99:99:99:99:99 08 00 45 00 + 02 18 00 00 00 00 0f 11 d3 61 0a 0a 0a 01 c1 05 + 01 64 30 39 04 00 00 26 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 + ]], 72) local pkt2 = lib.hexundump ([[ - 52:54:00:00:00:03 52:54:00:00:00:02 08 00 45 00 - 00 54 c3 cd 40 00 40 01 f3 23 c0 a8 01 66 c0 a8 - 01 02 08 00 57 ea 61 1a 00 06 5c ba 16 53 00 00 - 00 00 04 15 09 00 00 00 00 00 10 11 12 13 14 15 - 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 - 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 - 36 37 - ]], 98) + ff ff ff ff ff ff a0 88 b4 2c fa ac 08 06 00 01 + 08 00 06 04 00 01 a0 88 b4 2c fa ac c0 a8 00 0a + 00 00 00 00 00 00 0a 00 01 01 + ]], 42) test_ipv4_wire_to_vm_and_service({pkt1, pkt2}) flush() test_ipv4_vm_to_service_and_wire({pkt1, pkt2}) flush() + test_ipv4_service_to_wire({pkt1}) + flush() test_ipv4_service_to_vm({pkt1}) flush() - test_ipv4_service_to_wire({pkt1}) +end + +local function test_ipv6_wire_to_vm_and_service (pkts) + local c = config.new() + config.app(c, 'source', basic_apps.Join) + config.app(c, 'repeater', basic_apps.Repeater) + config.app(c, 'sink', basic_apps.Sink) + config.app(c, 'nh_fwd', nh_fwd6, { + mac_address = "52:54:00:00:00:01", + service_mac = "02:aa:aa:aa:aa:aa", + ipv6_address = "fe80::1", + }) + config.link(c, 'source.out -> nh_fwd.wire') + config.link(c, 'nh_fwd.service -> sink.in1') + config.link(c, 'nh_fwd.vm -> sink.in2') + + engine.configure(c) + transmit_packets(engine.app_table.source.output.out, pkts) + engine.main({duration = 0.1, noreport = true}) + assert(link.stats(engine.app_table.sink.input.in1).rxpackets == 1) + assert(link.stats(engine.app_table.sink.input.in2).rxpackets == 1) +end + +-- Test VM to Service and Wire. +local function test_ipv6_vm_to_service_and_wire(pkts) + engine.configure(config.new()) -- Clean up engine. + local c = config.new() + config.app(c, 'source', basic_apps.Join) + config.app(c, 'repeater', basic_apps.Repeater) + config.app(c, 'sink', basic_apps.Sink) + config.app(c, 'nh_fwd', nh_fwd6, { + mac_address = "52:54:00:00:00:01", + service_mac = "02:aa:aa:aa:aa:aa", + ipv6_address = "fe80::1", + }) + config.link(c, 'source.out -> nh_fwd.vm') + config.link(c, 'nh_fwd.service -> sink.in1') + config.link(c, 'nh_fwd.wire -> sink.in2') + + engine.configure(c) + transmit_packets(engine.app_table.source.output.out, pkts) + engine.main({duration = 0.1, noreport = true}) + assert(link.stats(engine.app_table.sink.input.in1).rxpackets == 1) + assert(link.stats(engine.app_table.sink.input.in2).rxpackets == 1) +end + +-- Test input Service -> Wire. +local function test_ipv6_service_to_wire (pkts) + local c = config.new() + config.app(c, 'source', basic_apps.Join) + config.app(c, 'repeater', basic_apps.Repeater) + config.app(c, 'sink', basic_apps.Sink) + config.app(c, 'nh_fwd', nh_fwd6, { + mac_address = "52:54:00:00:00:01", + service_mac = "02:aa:aa:aa:aa:aa", + ipv6_address = "fe80::1", + next_hop_mac = "52:54:00:00:00:02", + }) + config.link(c, 'source.out -> nh_fwd.service') + config.link(c, 'nh_fwd.wire -> sink.in1') + + engine.configure(c) + transmit_packets(engine.app_table.source.output.out, pkts) + engine.main({duration = 0.1, noreport = true}) + assert(link.stats(engine.app_table.sink.input.in1).rxpackets == 1) +end + +-- Test input Service -> VM. +local function test_ipv6_service_to_vm (pkts) + local c = config.new() + config.app(c, 'source', basic_apps.Join) + config.app(c, 'repeater', basic_apps.Repeater) + config.app(c, 'sink', basic_apps.Sink) + config.app(c, 'nh_fwd', nh_fwd6, { + mac_address = "52:54:00:00:00:01", + service_mac = "02:aa:aa:aa:aa:aa", + ipv6_address = "fe80::1", + }) + config.link(c, 'source.out -> nh_fwd.service') + config.link(c, 'nh_fwd.vm -> sink.in1') + + engine.configure(c) + transmit_packets(engine.app_table.source.output.out, pkts) + engine.main({duration = 0.1, noreport = true}) + assert(link.stats(engine.app_table.sink.input.in1).rxpackets == 1) +end + +local function test_ipv6_flow () + local pkt1 = lib.hexundump ([[ + 02:aa:aa:aa:aa:aa 02:99:99:99:99:99 86 dd 60 00 + 01 f0 01 f0 04 ff fc 00 00 01 00 02 00 03 00 04 + 00 05 00 00 00 7e fc 00 00 00 00 00 00 00 00 00 + 00 00 00 00 01 00 45 00 01 f0 00 00 00 00 0f 11 + d3 89 c1 05 01 64 0a 0a 0a 01 04 00 30 39 00 0c + 00 00 00 00 00 00 + ]], 86) + local pkt2 = lib.hexundump ([[ + 33:33:ff:00:00:01 f0:de:f1:61:b6:22 86 dd 60 00 + 00 00 00 20 3a ff fe 80 00 00 00 00 00 00 f2 de + f1 ff fe 61 b6 22 ff 02 00 00 00 00 00 00 00 00 + 00 01 ff 00 00 01 87 00 4a d4 00 00 00 00 fe 80 + 00 00 00 00 00 00 00 00 00 00 00 00 00 01 01 01 + f0 de f1 61 b6 22 + ]], 86) + test_ipv6_wire_to_vm_and_service({pkt1, pkt2}) + flush() + test_ipv6_vm_to_service_and_wire({pkt1, pkt2}) + flush() + test_ipv6_service_to_wire({pkt1}) flush() + test_ipv6_service_to_vm({pkt1}) end function selftest () print("nh_fwd: selftest") test_ipv4_flow() + test_ipv6_flow() end From 696c33e653b98712e41f6664331e7c6b39dd7e72 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 9 Aug 2016 18:13:59 +0200 Subject: [PATCH 156/340] Add lwaftr nexthop program --- src/program/lwaftr/nexthop/README | 8 +++ src/program/lwaftr/nexthop/README.inc | 1 + src/program/lwaftr/nexthop/nexthop.lua | 68 ++++++++++++++++++++++++++ 3 files changed, 77 insertions(+) create mode 100644 src/program/lwaftr/nexthop/README create mode 120000 src/program/lwaftr/nexthop/README.inc create mode 100644 src/program/lwaftr/nexthop/nexthop.lua diff --git a/src/program/lwaftr/nexthop/README b/src/program/lwaftr/nexthop/README new file mode 100644 index 0000000000..6193451197 --- /dev/null +++ b/src/program/lwaftr/nexthop/README @@ -0,0 +1,8 @@ +Usage: + nexthop [OPTIONS] + + -h, --help + Print usage information. + +Prints out IPv4 and IPv6 nexthop counter values of an lwAFTR process. These +counters are defined by 'nh_fwd' app. diff --git a/src/program/lwaftr/nexthop/README.inc b/src/program/lwaftr/nexthop/README.inc new file mode 120000 index 0000000000..100b93820a --- /dev/null +++ b/src/program/lwaftr/nexthop/README.inc @@ -0,0 +1 @@ +README \ No newline at end of file diff --git a/src/program/lwaftr/nexthop/nexthop.lua b/src/program/lwaftr/nexthop/nexthop.lua new file mode 100644 index 0000000000..1dd4774e75 --- /dev/null +++ b/src/program/lwaftr/nexthop/nexthop.lua @@ -0,0 +1,68 @@ +module(..., package.seeall) + +local S = require("syscall") +local ethernet = require("lib.protocol.ethernet") +local lib = require("core.lib") +local shm = require("core.shm") + +local ffi = require("ffi") +local C = ffi.C + +local macaddress_t = ffi.typeof[[ +struct { uint8_t ether[6]; } +]] + +local long_opts = { + help = "h" +} + +local function usage (code) + print(require("program.lwaftr.nexthop.README_inc")) + main.exit(code) +end + +-- TODO: Refactor to a general common purpose library. +local function file_exists(path) + local stat = S.stat(path) + return stat and stat.isreg +end + +local function parse_args (args) + local handlers = {} + function handlers.h (arg) usage(0) end + return lib.dogetopt(args, handlers, "h", long_opts) +end + +local function is_current_process (pid) + return pid == S.getpid() +end + +function run (args) + args = parse_args(args) + for _, pid in ipairs(shm.children("/")) do + pid = tonumber(pid) + if is_current_process(pid) then + goto continue + end + + -- Print IPv4 next_hop_mac if defined. + local next_hop_mac_v4 = "/"..pid.."/next_hop_mac_v4" + if file_exists(shm.root..next_hop_mac_v4) then + local nh_v4 = shm.open(next_hop_mac_v4, macaddress_t, "readonly") + print(("PID '%d': next_hop_mac for IPv4 is %s"):format( + pid, ethernet:ntop(nh_v4.ether))) + shm.unmap(nh_v4) + end + + -- Print IPv6 next_hop_mac if defined. + local next_hop_mac_v6 = "/"..pid.."/next_hop_mac_v6" + if file_exists(shm.root..next_hop_mac_v6) then + local nh_v6 = shm.open(next_hop_mac_v6, macaddress_t, "readonly") + print(("PID '%d': next_hop_mac for IPv6 is %s"):format( + pid, ethernet:ntop(nh_v6.ether))) + shm.unmap(nh_v6) + end + + ::continue:: + end +end From f4c48d7c50ee44f5cf66fbf37d4dea2cc4c14cd3 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 22 Aug 2016 09:44:57 +0000 Subject: [PATCH 157/340] Import ipv6_equals --- src/apps/nh_fwd/nh_fwd.lua | 1 + 1 file changed, 1 insertion(+) diff --git a/src/apps/nh_fwd/nh_fwd.lua b/src/apps/nh_fwd/nh_fwd.lua index b084be7e5e..095a12de79 100644 --- a/src/apps/nh_fwd/nh_fwd.lua +++ b/src/apps/nh_fwd/nh_fwd.lua @@ -19,6 +19,7 @@ local transmit, receive = link.transmit, link.receive local htons, ntohs = lib.htons, lib.ntohs local htonl, ntohl = lib.htonl, lib.ntohl local rd16, rd32 = lwutil.rd16, lwutil.rd32 +local ipv6_equals = lwutil.ipv6_equals local bor, lshift = bit.bor, bit.lshift nh_fwd4 = {} From a26698d8753cdd51ec452e53b4cdd16943da0640 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 25 Aug 2016 18:43:05 +0000 Subject: [PATCH 158/340] Fix self.debug comparison --- src/apps/nh_fwd/nh_fwd.lua | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/apps/nh_fwd/nh_fwd.lua b/src/apps/nh_fwd/nh_fwd.lua index 095a12de79..39b28bc0f5 100644 --- a/src/apps/nh_fwd/nh_fwd.lua +++ b/src/apps/nh_fwd/nh_fwd.lua @@ -189,7 +189,7 @@ function nh_fwd4:push () get_ipv4_src_address(ipv4_hdr) == n_cache_src_ipv4 then -- Our magic cache next-hop resolution packet. Never send this out. copy_ether(self.next_hop_mac, ether_dhost) - if self.debug > 0 then + if self.debug then print(("nh_fwd4: learning next-hop '%s'"):format(ethernet:ntop(self.next_hop_mac))) end packet.free(pkt) @@ -296,7 +296,7 @@ function nh_fwd6:push () elseif self.cache_refresh_interval > 0 and ipv6_equals(get_ipv6_src_address(ipv6_hdr), n_cache_src_ipv6) then copy_ether(self.next_hop_mac, ether_dhost) - if self.debug > 0 then + if self.debug then print(("nh_fwd6: learning next-hop %s"):format(ethernet:ntop(self.next_hop_mac))) end packet.free(pkt) From 4182e16b71c2be9dcf3d62fdfceb716501639a19 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 10 Aug 2016 14:01:38 +0000 Subject: [PATCH 159/340] Add method 'exists' to core/shm --- src/README.md | 4 ++++ src/core/shm.lua | 14 ++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/src/README.md b/src/README.md index b7d5da48b7..818f238961 100644 --- a/src/README.md +++ b/src/README.md @@ -469,6 +469,10 @@ If *readonly* is non-nil the shared object is mapped in read-only mode. *Readonly* defaults to nil. Fails if the shared object does not already exist. Returns a pointer to the mapped object. +— Function **shm.exists** *name* + +Checks whether shared object *name* exists. + — Function **shm.unmap** *pointer* Deletes the memory mapping for *pointer*. diff --git a/src/core/shm.lua b/src/core/shm.lua index 929eebedec..15b2f3f440 100644 --- a/src/core/shm.lua +++ b/src/core/shm.lua @@ -55,6 +55,12 @@ function open (name, type, readonly) return map(name, type, readonly, false) end +function exists (name) + local path = resolve(name) + local fd = S.open(root..'/'..path, "rdonly") + return fd and fd:close() +end + function resolve (name) local q, p = name:match("^(/*)(.*)") -- split qualifier (/) local result = p @@ -191,6 +197,14 @@ function selftest () unmap(p1) unmap(p2) + print("checking exists..") + assert(not exists(name)) + local p1 = create(name, "struct { int x, y, z; }") + assert(exists(name)) + assert(unlink(name)) + unmap(p1) + assert(not exists(name)) + -- Test that we can open and cleanup many objects print("checking many objects..") local path = 'shm/selftest/manyobj' From 83dd3379cc32d8155f82e2ba481532146b9481b3 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 12 Aug 2016 18:09:01 +0000 Subject: [PATCH 160/340] Print out multiple snabb instance pids --- src/program/top/top.lua | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/src/program/top/top.lua b/src/program/top/top.lua index 250af23892..8c1aec02d3 100644 --- a/src/program/top/top.lua +++ b/src/program/top/top.lua @@ -39,14 +39,20 @@ function select_snabb_instance (pid) if instance == pid then return pid end end print("No such Snabb instance: "..pid) - elseif #instances == 2 then - -- Two means one is us, so we pick the other. - local own_pid = tostring(S.getpid()) - if instances[1] == own_pid then return instances[2] - else return instances[1] end elseif #instances == 1 then print("No Snabb instance found.") - else print("Multple Snabb instances found. Select one.") end - os.exit(1) + else + local own_pid = tostring(S.getpid()) + if #instances == 2 then + -- Two means one is us, so we pick the other. + return instances[1] == own_pid and instances[2] or instances[1] + else + print("Multiple Snabb instances found. Select one:") + for _, instance in ipairs(instances) do + if instance ~= own_pid then print(instance) end + end + end + end + main.exit(1) end function list_shm (pid, object) From 32f81df5266dab7b34243a2c2b3276da2d663d83 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 19 Aug 2016 13:09:24 +0000 Subject: [PATCH 161/340] Move parsing of arguments to parse_args --- src/program/lwaftr/query/query.lua | 31 ++++++++++++++++-------------- 1 file changed, 17 insertions(+), 14 deletions(-) diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua index acd7e8d423..898c2ff4f9 100644 --- a/src/program/lwaftr/query/query.lua +++ b/src/program/lwaftr/query/query.lua @@ -22,6 +22,10 @@ local function sort (t) return t end +local function is_counter_name (name) + return lwaftr.counter_names[name] ~= nil +end + function parse_args (raw_args) local handlers = {} function handlers.h() show_usage(0) end @@ -34,7 +38,18 @@ function parse_args (raw_args) local args = lib.dogetopt(raw_args, handlers, "hl", { help="h", ["list-all"]="l" }) if #args > 2 then show_usage(1) end - return args + if #args == 2 then + return args[1], args[2] + end + if #args == 1 then + local arg = args[1] + if is_counter_name(arg) then + return nil, arg + else + return arg, nil + end + end + return nil, nil end local function read_counters (tree, filter) @@ -86,19 +101,7 @@ function print_counters (tree, filter) end function run (raw_args) - local args = parse_args(raw_args) - - local target_pid, counter_name - if #args == 2 then - target_pid, counter_name = args[1], args[2] - elseif #args == 1 then - local maybe_pid = tonumber(args[1]) - if maybe_pid then - target_pid = args[1] - else - counter_name = args[1] - end - end + local target_pid, counter_name = parse_args(raw_args) local instance_tree = select_snabb_instance(target_pid) print_counters(instance_tree, counter_name) From 58691a2f3816c2549442154a5863645ab02fe1c6 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 19 Aug 2016 13:25:42 +0000 Subject: [PATCH 162/340] Fetch PID by lwAFTR ID --- src/apps/lwaftr/lwtypes.lua | 6 ++++++ src/program/lwaftr/query/query.lua | 31 +++++++++++++++++++++--------- 2 files changed, 28 insertions(+), 9 deletions(-) diff --git a/src/apps/lwaftr/lwtypes.lua b/src/apps/lwaftr/lwtypes.lua index da0bd23500..554d7b6763 100644 --- a/src/apps/lwaftr/lwtypes.lua +++ b/src/apps/lwaftr/lwtypes.lua @@ -65,3 +65,9 @@ struct { ]] udp_header_ptr_type = ffi.typeof("$*", udp_header_t) udp_header_size = ffi.sizeof(udp_header_t) + +lwaftr_id_type = ffi.typeof[[ +struct { + char value[256]; +} +]] diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua index 898c2ff4f9..b85431a87d 100644 --- a/src/program/lwaftr/query/query.lua +++ b/src/program/lwaftr/query/query.lua @@ -2,12 +2,16 @@ module(..., package.seeall) local S = require("syscall") local counter = require("core.counter") +local ffi = require("ffi") local lib = require("core.lib") local lwaftr = require("apps.lwaftr.lwaftr") +local lwtypes = require("apps.lwaftr.lwtypes") +local lwutil = require("apps.lwaftr.lwutil") local shm = require("core.shm") local top = require("program.top.top") local select_snabb_instance = top.select_snabb_instance +local keys = lwutil.keys -- Get the counter dir from the code. local counters_rel_dir = lwaftr.counters_dir @@ -26,6 +30,19 @@ local function is_counter_name (name) return lwaftr.counter_names[name] ~= nil end +local function pidof(maybe_pid) + if tonumber(maybe_pid) then return maybe_pid end + local name_id = maybe_pid + for _, pid in ipairs(shm.children("/")) do + if shm.exists(pid.."/nic/id") then + local lwaftr_id = shm.open("/"..pid.."/nic/id", lwtypes.lwaftr_id_type) + if ffi.string(lwaftr_id.value) == name_id then + return pid + end + end + end +end + function parse_args (raw_args) local handlers = {} function handlers.h() show_usage(0) end @@ -46,7 +63,11 @@ function parse_args (raw_args) if is_counter_name(arg) then return nil, arg else - return arg, nil + local pid = pidof(arg) + if not pid then + error(("Couldn't find PID for argument '%s'"):format(arg)) + end + return pid, nil end end return nil, nil @@ -71,14 +92,6 @@ local function read_counters (tree, filter) return ret, max_width end -local function keys (t) - local ret = {} - for key, _ in pairs(t) do - table.insert(ret, key) - end - return ret -end - local function skip_counter (name, filter) return filter and not name:match(filter) end From ec6223fe0f1ffdabf7afe0ea55a00ca8f2792eed Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 26 Aug 2016 14:31:12 +0200 Subject: [PATCH 163/340] Remove unused variables --- src/apps/nh_fwd/nh_fwd.lua | 7 ++----- src/program/lwaftr/nexthop/nexthop.lua | 6 ++---- 2 files changed, 4 insertions(+), 9 deletions(-) diff --git a/src/apps/nh_fwd/nh_fwd.lua b/src/apps/nh_fwd/nh_fwd.lua index 39b28bc0f5..aaf9501df3 100644 --- a/src/apps/nh_fwd/nh_fwd.lua +++ b/src/apps/nh_fwd/nh_fwd.lua @@ -2,7 +2,6 @@ module(..., package.seeall) local app = require("core.app") local basic_apps = require("apps.basic.basic_apps") -local bit = require("bit") local constants = require("apps.lwaftr.constants") local ethernet = require("lib.protocol.ethernet") local ipsum = require("lib.checksum").ipsum @@ -16,11 +15,9 @@ local ffi = require("ffi") local C = ffi.C local transmit, receive = link.transmit, link.receive -local htons, ntohs = lib.htons, lib.ntohs -local htonl, ntohl = lib.htonl, lib.ntohl +local htons = lib.htons local rd16, rd32 = lwutil.rd16, lwutil.rd32 local ipv6_equals = lwutil.ipv6_equals -local bor, lshift = bit.bor, bit.lshift nh_fwd4 = {} nh_fwd6 = {} @@ -28,7 +25,6 @@ nh_fwd6 = {} local ethernet_header_size = constants.ethernet_header_size local n_ether_hdr_size = 14 local n_ethertype_ipv4 = constants.n_ethertype_ipv4 -local n_ethertype_ipv6 = constants.n_ethertype_ipv6 local n_ipencap = 4 local n_ipfragment = 44 local n_ipv4_hdr_size = 20 @@ -113,6 +109,7 @@ local function send_ipv4_cache_trigger(r, pkt, mac) -- VM will discard packets not matching its MAC address on the interface. copy_ether(ether_dhost, mac) copy_ipv4(ipv4_src_ip, n_cache_src_ipv4) + -- Clear checksum to recalculate it with new source IPv4 address. ipv4_checksum = 0 ipv4_checksum = htons(ipsum(pkt.data + n_ether_hdr_size, n_ipv4_hdr_size, 0)) diff --git a/src/program/lwaftr/nexthop/nexthop.lua b/src/program/lwaftr/nexthop/nexthop.lua index 1dd4774e75..c09e6b0653 100644 --- a/src/program/lwaftr/nexthop/nexthop.lua +++ b/src/program/lwaftr/nexthop/nexthop.lua @@ -2,12 +2,10 @@ module(..., package.seeall) local S = require("syscall") local ethernet = require("lib.protocol.ethernet") +local ffi = require("ffi") local lib = require("core.lib") local shm = require("core.shm") -local ffi = require("ffi") -local C = ffi.C - local macaddress_t = ffi.typeof[[ struct { uint8_t ether[6]; } ]] @@ -38,7 +36,7 @@ local function is_current_process (pid) end function run (args) - args = parse_args(args) + parse_args(args) for _, pid in ipairs(shm.children("/")) do pid = tonumber(pid) if is_current_process(pid) then From a6b77148ab329b8ecc7f9f00fa04d52e79e85b10 Mon Sep 17 00:00:00 2001 From: Timo Buhrmester Date: Fri, 26 Aug 2016 14:37:41 +0000 Subject: [PATCH 164/340] Eliminate a variable --- src/lib/ipsec/esp.lua | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/lib/ipsec/esp.lua b/src/lib/ipsec/esp.lua index 78413cade1..7bd6ba5195 100644 --- a/src/lib/ipsec/esp.lua +++ b/src/lib/ipsec/esp.lua @@ -151,7 +151,6 @@ function esp_v6_decrypt:decapsulate (p) local ctext_length = length - self.PLAIN_OVERHEAD local seq_low = self.esp:seq_no() local seq_high = tonumber(C.check_seq_no(seq_low, self.seq.no, self.window, self.window_size)) - local proceed = true if seq_high < 0 or not gcm:decrypt(ctext_start, seq_low, seq_high, iv_start, ctext_start, ctext_length) then local reason = seq_high == -1 and 'replayed' or 'integrity error' -- This is the information RFC4303 says we SHOULD log @@ -168,7 +167,6 @@ function esp_v6_decrypt:decapsulate (p) -- Assuming a) should be 'yes' since the to-be-resynced packets might have seq_low's that just happen -- to fall inside the replay window (seq_lo-wise) and would look replayed, yet aren't. -- Assuming b) means 'in time', since systematic loss could stall resync indefinitely. - proceed = false self.decap_fail = self.decap_fail + 1 if self.decap_fail >= ESP_RESYNC_THRESHOLD then local seq_high_tmp = seq_high @@ -181,11 +179,14 @@ function esp_v6_decrypt:decapsulate (p) seq_high_tmp = self:resync(p, seq_low, seq_high_tmp + 1, ESP_RESYNC_ATTEMPTS) if seq_high_tmp >= 0 then seq_high = seq_high_tmp - proceed = true -- resynced! the data has been decrypted in the process so we're ready to go + -- resynced! the data has been decrypted in the process so we're ready to go + else + return false end + else + return false end end - if not proceed then return false end self.seq.no = C.track_seq_no(seq_high, seq_low, self.seq.no, self.window, self.window_size) local esp_tail_start = ctext_start + ctext_length - ESP_TAIL_SIZE self.esp_tail:new_from_mem(esp_tail_start, ESP_TAIL_SIZE) From b69925f703bca79cf895f6daa35ebfc628c5de0d Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 19 Aug 2016 14:53:06 +0000 Subject: [PATCH 165/340] Update lwAFTR query documentation --- src/program/lwaftr/query/README | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/src/program/lwaftr/query/README b/src/program/lwaftr/query/README index e4893640b6..c22d9e2623 100644 --- a/src/program/lwaftr/query/README +++ b/src/program/lwaftr/query/README @@ -1,14 +1,20 @@ Usage: - query [OPTIONS] [] [] + query [OPTIONS] [] [] Options: -h, --help Print usage information. -l, --list-all List all available counter names. -Display current statistics from lwAftr counters for a running Snabb instance -with . If is not supplied and there is only one Snabb instance, -"query" will connect to that instance. +Display current statistics from lwAFTR counters for a running Snabb instance +with . can be either a PID or a string ID: + + * If it is a PID, should exists at /var/run/snabb/. + * If it is a string ID, should match the value defined + in /var/run/snabb/*/nic/id. + +If is not supplied and there is only one Snabb instance, "query" will +connect to that instance. If is set, only counters partially matching are listed. From 65fc13bb22fcdfbce366eaa1ac1e0e6a69944c0f Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Mon, 29 Aug 2016 12:53:08 +0200 Subject: [PATCH 166/340] Move ctable changes to a wrapper This makes the only significant change to ctable an extra instance variable that stores how much memory is being used, and a getter for it. Also, make random_eject closer to uniform. As discussed on https://github.com/Igalia/snabb/pull/388/ --- src/apps/lwaftr/ctable_wrapper.lua | 85 +++++++++++++++++++++++++ src/apps/lwaftr/fragmentv4_hardened.lua | 6 +- src/apps/lwaftr/fragmentv6_hardened.lua | 4 +- src/apps/lwaftr/ipv4_apps.lua | 6 +- src/apps/lwaftr/ipv6_apps.lua | 6 +- src/lib/ctable.lua | 62 ++---------------- 6 files changed, 102 insertions(+), 67 deletions(-) create mode 100644 src/apps/lwaftr/ctable_wrapper.lua diff --git a/src/apps/lwaftr/ctable_wrapper.lua b/src/apps/lwaftr/ctable_wrapper.lua new file mode 100644 index 0000000000..7dcef873f4 --- /dev/null +++ b/src/apps/lwaftr/ctable_wrapper.lua @@ -0,0 +1,85 @@ +module(..., package.seeall) + +local ctable = require('lib.ctable') +local math = require("math") +local os = require("os") +local S = require("syscall") +local bit = require("bit") + +local bnot, bxor = bit.bnot, bit.bxor +local floor, ceil = math.floor, math.ceil +local HASH_MAX = 0xFFFFFFFF + +-- This is only called when the table is 'full'. +-- Notably, it cannot be called on an empty table, +-- so there is no risk of an infinite loop. +local function random_eject(ctab) + local random_hash = math.random(0, HASH_MAX - 1) + local index = floor(random_hash*ctab.scale + 0.5) + local entries = ctab.entries + while entries[index].hash == HASH_MAX do + if index >= ctab.size + ctab.max_displacement then + index = 0 -- Seems unreachable? + else + index = index + 1 + end + end + local ptr = ctab.entries + index + ctab:remove_ptr(ptr) +end + +-- Behave exactly like insertion, except if the table is full: if it is, then +-- eject a random entry instead of resizing. +local function add_with_random_ejection(self, key, value, updates_allowed) + if self.occupancy + 1 > self.occupancy_hi then + random_eject(self) + end + return self:add(key, value, updates_allowed) +end + +function new(params) + local ctab = ctable.new(params) + ctab.add_with_random_ejection = add_with_random_ejection + -- Not local-ized because it's called once + math.randomseed(bxor(os.time(), S.getpid())) + return ctab +end + +function selftest(params) + local ffi = require("ffi") + local hash_32 = ctable.hash_32 + + local occupancy = 4 + -- 32-byte entries + local params = { + key_type = ffi.typeof('uint32_t'), + value_type = ffi.typeof('int32_t[6]'), + hash_fn = hash_32, + max_occupancy_rate = 0.4, + initial_size = ceil(occupancy / 0.4) + } + local ctab = new(params) + + -- Fill table fully, to the verge of being resized. + local v = ffi.new('int32_t[6]'); + local i = 1 + while ctab.occupancy + 1 <= ctab.occupancy_hi do + for j=0,5 do v[j] = bnot(i) end + ctab:add_with_random_ejection(i, v) + i = i + 1 + end + + local old_occupancy = ctab.occupancy + for j=0,5 do v[j] = bnot(i) end + local newest_index = ctab:add_with_random_ejection(i, v) + local iterated = 0 + for entry in ctab:iterate() do iterated = iterated + 1 end + assert(old_occupancy == ctab.occupancy, "bad random ejection!") + + ctab:remove_ptr(ctab.entries + newest_index, false) + local iterated = 0 + for entry in ctab:iterate() do iterated = iterated + 1 end + assert(iterated == ctab.occupancy) + assert(iterated == old_occupancy - 1) + -- OK, all looking good with our ctab. +end diff --git a/src/apps/lwaftr/fragmentv4_hardened.lua b/src/apps/lwaftr/fragmentv4_hardened.lua index b2c605d816..92f62c90aa 100644 --- a/src/apps/lwaftr/fragmentv4_hardened.lua +++ b/src/apps/lwaftr/fragmentv4_hardened.lua @@ -3,6 +3,7 @@ module(..., package.seeall) local bit = require("bit") local constants = require("apps.lwaftr.constants") local ctable = require('lib.ctable') +local ctablew = require('apps.lwaftr.ctable_wrapper') local ffi = require('ffi') local lwutil = require("apps.lwaftr.lwutil") local C = ffi.C @@ -244,7 +245,7 @@ local function hash_ipv4(key) return hash end -function initialize_frag_table(max_fragmented_packets, max_pkt_frag, memuse_counter) +function initialize_frag_table(max_fragmented_packets, max_pkt_frag) -- Initialize module-scoped variables max_frags_per_packet = max_pkt_frag ipv4_reassembly_buffer_t = ffi.typeof([[ @@ -268,9 +269,8 @@ function initialize_frag_table(max_fragmented_packets, max_pkt_frag, memuse_coun hash_fn = hash_ipv4, initial_size = math.ceil(max_fragmented_packets / max_occupy), max_occupancy_rate = max_occupy, - memuse_counter = memuse_counter } - return ctable.new(params) + return ctablew.new(params) end function cache_fragment(frags_table, fragment) diff --git a/src/apps/lwaftr/fragmentv6_hardened.lua b/src/apps/lwaftr/fragmentv6_hardened.lua index 9350278c1d..faf6301c89 100644 --- a/src/apps/lwaftr/fragmentv6_hardened.lua +++ b/src/apps/lwaftr/fragmentv6_hardened.lua @@ -2,6 +2,7 @@ module(..., package.seeall) local bit = require("bit") local constants = require("apps.lwaftr.constants") +local ctablew = require('apps.lwaftr.ctable_wrapper') local ctable = require('lib.ctable') local ffi = require('ffi') local lwutil = require("apps.lwaftr.lwutil") @@ -262,9 +263,8 @@ function initialize_frag_table(max_fragmented_packets, max_pkt_frag, memuse_coun hash_fn = hash_ipv6, initial_size = math.ceil(max_fragmented_packets / max_occupy), max_occupancy_rate = max_occupy, - memuse_counter = memuse_counter } - return ctable.new(params) + return ctablew.new(params) end function cache_fragment(frags_table, fragment) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index d19c571bbc..a97d68de64 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -48,9 +48,9 @@ function Reassembler:new(conf) o.conf = conf o.counters = conf.counters o.ctab = fragv4_h.initialize_frag_table(conf.max_ipv4_reassembly_packets, - conf.max_fragments_per_reassembly_packet, - {o.counters, "memuse-ipv4-frag-reassembly-buffer"}) - + conf.max_fragments_per_reassembly_packet) + counter.set(o.counters["memuse-ipv4-frag-reassembly-buffer"], + o.ctab:get_backing_size()) return o end diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index c7c77687c5..7942ab60f2 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -45,9 +45,9 @@ function ReassembleV6:new(conf) o.conf = conf o.counters = conf.counters o.ctab = fragv6_h.initialize_frag_table(conf.max_ipv6_reassembly_packets, - conf.max_fragments_per_reassembly_packet, - {o.counters, "memuse-ipv6-frag-reassembly-buffer"}) - + conf.max_fragments_per_reassembly_packet) + counter.set(o.counters["memuse-ipv6-frag-reassembly-buffer"], + o.ctab:get_backing_size()) return o end diff --git a/src/lib/ctable.lua b/src/lib/ctable.lua index 369f7b0734..c49a7db28a 100644 --- a/src/lib/ctable.lua +++ b/src/lib/ctable.lua @@ -7,7 +7,6 @@ local bit = require("bit") local bxor, bnot = bit.bxor, bit.bnot local tobit, lshift, rshift = bit.tobit, bit.lshift, bit.rshift local max, floor, ceil = math.max, math.floor, math.ceil -local counter = require("core.counter") CTable = {} @@ -96,8 +95,7 @@ local required_params = set('key_type', 'value_type', 'hash_fn') local optional_params = { initial_size = 8, max_occupancy_rate = 0.9, - min_occupancy_rate = 0.0, - memuse_counter = {} + min_occupancy_rate = 0.0 } function new(params) @@ -111,7 +109,6 @@ function new(params) ctab.occupancy = 0 ctab.max_occupancy_rate = params.max_occupancy_rate ctab.min_occupancy_rate = params.min_occupancy_rate - ctab.memuse_counter = params.memuse_counter ctab = setmetatable(ctab, { __index = CTable }) ctab:resize(params.initial_size) return ctab @@ -150,13 +147,7 @@ function CTable:resize(size) -- Allocate double the requested number of entries to make sure there -- is sufficient displacement if all hashes map to the last bucket. - local byte_size - self.entries, byte_size = calloc(self.entry_type, size * 2) - if #self.memuse_counter == 2 then - local counters = self.memuse_counter[1] - local memuse_name = self.memuse_counter[2] - counter.set(counters[memuse_name], byte_size) - end + self.entries, self.byte_size = calloc(self.entry_type, size * 2) self.size = size self.scale = self.size / HASH_MAX self.occupancy = 0 @@ -172,6 +163,10 @@ function CTable:resize(size) end end +function CTable:get_backing_size() + return self.byte_size +end + function CTable:insert(hash, key, value, updates_allowed) if self.occupancy + 1 > self.occupancy_hi then self:resize(self.size * 2) @@ -226,30 +221,6 @@ function CTable:insert(hash, key, value, updates_allowed) return index end --- Choose a random index between the start of the table and its occupancy_hi --- value. This guarantees that there will be an entry to eject, because this --- is only called when the table is 'full'. -local function random_eject(ctab) - local eject_index = math.random(0, ctab.occupancy_hi - 1) - -- Empty entries can't be ejected; find a non-empty one - while ctab.entries[eject_index].hash == HASH_MAX do - eject_index = eject_index + 1 - end - assert(eject_index <= ctab.size + ctab.max_displacement, - "Ctab: eject_index too large!") -- This should be unreachable - local ptr = ctab.entries + eject_index - ctab:remove_ptr(ptr) -end - --- Behave exactly like insertion, except if the table is full: if it is, then --- eject a random entry instead of resizing. -function CTable:add_with_random_ejection(key, value, updates_allowed) - if self.occupancy + 1 > self.occupancy_hi then - random_eject(self) - end - return self:add(key, value, updates_allowed) -end - function CTable:add(key, value, updates_allowed) local hash = self.hash_fn(key) assert(hash >= 0) @@ -479,27 +450,6 @@ function selftest() for entry in ctab:iterate() do iterated = iterated + 1 end assert(iterated == occupancy) - local i = occupancy * 2 - -- Fill table fully, until it would be resized. - -- This is necessary even on a 'full' table potentially, - -- because occupancy_hi is calculated with ceil() - while ctab.occupancy + 1 <= ctab.occupancy_hi do - for j=0,5 do v[j] = bnot(i) end - ctab:add_with_random_ejection(i, v) - i = i + 1 - occupancy = occupancy + 1 - end - - for j=0,5 do v[j] = bnot(i) end - ctab:add_with_random_ejection(i, v) - local iterated = 0 - for entry in ctab:iterate() do iterated = iterated + 1 end - assert(iterated == occupancy, "bad random ejection!") - - ctab:remove(1, false) - local iterated = 0 - for entry in ctab:iterate() do iterated = iterated + 1 end - assert(iterated == occupancy - 1) -- OK, all looking good with our ctab. -- A check that our equality functions work as intended. From 92d6f523f68028c51b0058a0d54d5d8f4987a567 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Mon, 29 Aug 2016 15:20:20 +0200 Subject: [PATCH 167/340] Remove conflicts from the counters doc. (#404) As discussed on IRC, merging without waiting for checks since it's only doc changes. --- src/program/lwaftr/doc/README.counters.md | 76 ----------------------- 1 file changed, 76 deletions(-) diff --git a/src/program/lwaftr/doc/README.counters.md b/src/program/lwaftr/doc/README.counters.md index 9a59883b0b..0a41fa4fc5 100644 --- a/src/program/lwaftr/doc/README.counters.md +++ b/src/program/lwaftr/doc/README.counters.md @@ -1,19 +1,5 @@ # Counters -<<<<<<< HEAD -The number of packets and bytes handled in various points of the execution flow -are recorded in counters, updated in real time. - -The counters are accessible as files in the runtime area of the Snabb process, -typically under `/var/run/snabb/[PID]/app/lwaftr/counters/`. - -Most counters are represented by two files, ending with the `bytes` and -`packets` suffixes. - -## Execution flow - -This is the lwAftr's overall execution flow: -======= In order to better understand the flow of packets through the lwAftr app at runtime, a number of counters are embedded in the code. They record the number of packets and bytes handled at various points of the execution flow, @@ -24,21 +10,10 @@ The counters' values can be accessed by means of the `snabb top` subcommand. ## Execution flow Here is the lwAftr's overall execution flow: ->>>>>>> 09ac70d... Add docs for the counters ![main flow](images/main-flow.png) Packets coming from the b4 on users' premises are decapsulated, handled, then -<<<<<<< HEAD -sent to the Internet or dropped, as appropriate. - -On the other side, packets coming from the Internet are handled, possibly -dropped, or encapsulated and sent to users' b4. - -Each direction is in turn broken in two by two queues, in order to reduce the -cost lookups in the binding table. The four resulting macro blocks are -described below, in clockwise order. -======= sent to the Internet or dropped, as appropriate. On the other side, packets coming from the Internet are handled, possibly dropped, or encapsulated and sent to users' b4. @@ -51,7 +26,6 @@ routed forward and back. Each direction is broken in two by lookup queues, in order to reduce the cost of lookups in the binding table. The four resulting macro blocks are detailed below, in clockwise order. ->>>>>>> 09ac70d... Add docs for the counters For each macro block, the place of all counters in the execution flow is first shown graphically, then each counter is described in detail. Several counters @@ -64,29 +38,17 @@ the Lua code. Counters: -<<<<<<< HEAD -- **drop-misplaced-ipv6**: non-IPv6 packets incoming on the IPv6 link -======= - **drop-misplaced-not-ipv6**: non-IPv6 packets incoming on the IPv6 link ->>>>>>> 09ac70d... Add docs for the counters - **in-ipv6**: all valid incoming IPv6 packets - **drop-unknown-protocol-ipv6**: packets with an unknown IPv6 protocol - **drop-in-by-policy-icmpv6**: incoming ICMPv6 packets dropped because of current policy -<<<<<<< HEAD -- **drop-too-big-type-but-not-code-icmpv6**: the packets' ICMPv6 type is - "Packet too big", but the ICMPv6 code is not, as it should -- **out-icmpv4**: internally generated ICMPv4 error packets -- **drop-over-time-but-not-hop-limit-icmpv6**: the packets' time limit is - exceeded, but the hop limit is not -======= - **out-icmpv4**: internally generated ICMPv4 error packets - **out-ipv4**: all valid outgoing IPv4 packets - **drop-too-big-type-but-not-code-icmpv6**: the packet's ICMP type was "Packet too big", but its ICMP code was not an acceptable one for this type - **drop-over-time-but-not-hop-limit-icmpv6**: the packet's time limit was exceeded, but the hop limit was not ->>>>>>> 09ac70d... Add docs for the counters - **drop-unknown-protocol-icmpv6**: packets with an unknown ICMPv6 protocol ### decapsulation queue to Internet @@ -96,15 +58,9 @@ Counters: Counters: - **drop-no-source-softwire-ipv6**: no matching source softwire in the binding -<<<<<<< HEAD - table -- **hairpin-ipv4**: IPv4 packets going to a known b4 (hairpinned) -- **out-ipv4**: all valid outgoing IPv4 packets -======= table; incremented whether or not the reason was RFC7596 - **out-ipv4**: all valid outgoing IPv4 packets - **hairpin-ipv4**: IPv4 packets going to a known b4 (hairpinned) ->>>>>>> 09ac70d... Add docs for the counters - **drop-out-by-policy-icmpv6**: internally generated ICMPv6 error packets dropped because of current policy - **drop-over-rate-limit-icmpv6**: packets dropped because the outgoing ICMPv6 @@ -117,14 +73,6 @@ Counters: Counters: -<<<<<<< HEAD -- **drop-misplaced-ipv4**: non-IPv4 packets incoming on the IPv4 link -- **in-ipv4**: all valid incoming IPv4 packets -- **drop-in-by-policy-icmpv4**: incoming ICMPv4 packets dropped because of - current policy -- **drop-bad-checksum-icmpv4**: ICMPv4 packets dropped because of a bad - checksum -======= - **drop-in-by-policy-icmpv4**: incoming ICMPv4 packets dropped because of current policy - **in-ipv4**: all valid incoming IPv4 packets @@ -135,7 +83,6 @@ Counters: bytes that came in over the IPv4/6 interfaces, whether or not they're actually IPv4/6 (they only include data about packets that go in/out over the wires, excluding internally generated ICMP packets) ->>>>>>> 09ac70d... Add docs for the counters ### Encapsulation queue to b4 @@ -143,28 +90,6 @@ Counters: Counters: -<<<<<<< HEAD -- **drop-no-dest-softwire-ipv4**: no matching destination softwire in the - binding table -- **drop-out-by-policy-icmpv4**: internally generated ICMPv4 error packets - dropped because of current policy -- **drop-in-by-rfc7596-icmpv4**: incoming ICMPv4 packets with no destination - (RFC 7596 section 8.1) -- **out-icmpv4**: internally generated ICMPv4 error packets (same as above) -- **drop-ttl-zero-ipv4**: IPv4 packets dropped because their TTL is zero -- **drop-over-mtu-but-dont-fragment-ipv4**: IPv4 packets whose size exceeds the - MTU, but the DF (Don't Fragment) flag is set -- **out-ipv6**: all valid outgoing IPv6 packets - -## Aggregation counters - -Several additional counters aggregate the value of a number of specific ones: - -- **drop-all-ipv4**: all dropped incoming IPv4 packets (not including the - internally generated ICMPv4 error ones) -- **drop-all-ipv6**: all dropped incoming IPv6 packets (not including the - internally generated ICMPv6 error ones) -======= - **out-ipv6**: all valid outgoing IPv6 packets - **drop-over-mtu-but-dont-fragment-ipv4**: IPv4 packets whose size exceeded the MTU, but the DF (Don't Fragment) flag was set @@ -185,4 +110,3 @@ Implementation detail: rhe counters can be accessed as files in the runtime area of the Snabb process, typically under `/var/run/snabb/[PID]/app/lwaftr/counters/`. Most of them are represented by two files, ending with the `bytes` and `packets` suffixes. ->>>>>>> 09ac70d... Add docs for the counters From dbc715a9b909d506a77b85955d260cb009bded60 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Mon, 29 Aug 2016 15:26:33 +0200 Subject: [PATCH 168/340] Document 'check -r' --- src/program/lwaftr/check/README | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/src/program/lwaftr/check/README b/src/program/lwaftr/check/README index d098f2bef3..a3a0d38401 100644 --- a/src/program/lwaftr/check/README +++ b/src/program/lwaftr/check/README @@ -1,9 +1,18 @@ -Usage: check CONF IPV4-IN.PCAP IPV6-IN.PCAP IPV4-OUT.PCAP IPV6-OUT.PCAP [COUNTERS.LUA] +Usage: check [-r] CONF V4-IN.PCAP V6-IN.PCAP V4-OUT.PCAP V6-OUT.PCAP [COUNTERS.LUA] + check -h -h, --help Print usage information. + -r, --regen + Regenerate counter files, instead of checking +Without -r: Run the lwAFTR with input from IPV4-IN.PCAP and IPV6-IN.PCAP, and record output to IPV4-OUT.PCAP and IPV6-OUT.PCAP. COUNTERS.LUA contains a table that defines the counters and by how much each should increment. +Note that this checks both "2 interface" mode and "on a stick" mode. Exit when finished. This program is used in the lwAFTR test suite. + +With -r: +Regenerate the counter files for the test suite. This is useful after +extensive changes to implementation details of counters. From e2d0cbae8b8cdab0d459f0617c411c370ceed0d3 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Tue, 30 Aug 2016 11:17:35 +0200 Subject: [PATCH 169/340] Got rid of packet.clone_to_memory --- src/apps/lwaftr/fragmentv4_hardened.lua | 45 +++++++++++-------- src/apps/lwaftr/fragmentv6_hardened.lua | 39 +++++++++------- src/core/packet.lua | 16 +++---- .../tests/data/counters/arp-for-next-hop.lua | 4 +- ...pv4-in-binding-big-packet-df-set-allow.lua | 4 +- ...ipv4-in-binding-big-packet-df-set-drop.lua | 4 +- .../data/counters/from-to-b4-ipv6-hairpin.lua | 4 +- ...4-tunneled-icmpv4-ping-hairpin-unbound.lua | 4 +- ...rom-to-b4-tunneled-icmpv4-ping-hairpin.lua | 4 +- .../data/counters/icmpv6-ping-and-reply.lua | 4 +- ...1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua | 4 +- .../data/counters/in-1p-ipv4-out-0p-drop.lua | 4 +- .../counters/in-1p-ipv4-out-1p-icmpv4.lua | 4 +- .../counters/in-1p-ipv4-out-1p-ipv6-1.lua | 4 +- .../counters/in-1p-ipv4-out-1p-ipv6-2.lua | 4 +- .../counters/in-1p-ipv4-out-1p-ipv6-3.lua | 4 +- .../counters/in-1p-ipv4-out-1p-ipv6-4.lua | 4 +- .../in-1p-ipv4-out-1p-ipv6-6-outfrags.lua | 4 +- .../counters/in-1p-ipv4-out-1p-ipv6-6.lua | 4 +- .../counters/in-1p-ipv4-out-1p-ipv6-7.lua | 4 +- .../counters/in-1p-ipv4-out-1p-ipv6-8.lua | 4 +- .../counters/in-1p-ipv4-out-1p-ipv6-echo.lua | 4 +- .../data/counters/in-1p-ipv4-out-none-1.lua | 4 +- .../data/counters/in-1p-ipv4-out-none-2.lua | 4 +- .../data/counters/in-1p-ipv4-out-none-3.lua | 4 +- .../data/counters/in-1p-ipv4-out-none-4.lua | 4 +- .../data/counters/in-1p-ipv6-out-0p-ipv4.lua | 4 +- .../counters/in-1p-ipv6-out-1p-icmpv4-1.lua | 4 +- .../counters/in-1p-ipv6-out-1p-icmpv6-1.lua | 4 +- .../counters/in-1p-ipv6-out-1p-icmpv6-2.lua | 4 +- .../counters/in-1p-ipv6-out-1p-ipv4-1.lua | 4 +- .../counters/in-1p-ipv6-out-1p-ipv4-2.lua | 4 +- .../counters/in-1p-ipv6-out-1p-ipv4-3.lua | 4 +- .../in-1p-ipv6-out-1p-ipv4-4-and-echo.lua | 4 +- .../counters/in-1p-ipv6-out-1p-ipv4-4.lua | 4 +- .../in-1p-ipv6-out-1p-ipv4-5-frags.lua | 4 +- .../counters/in-1p-ipv6-out-1p-ipv4-5.lua | 4 +- .../in-1p-ipv6-out-1p-ipv4-hoplimhair.lua | 4 +- .../data/counters/in-1p-ipv6-out-none-1.lua | 4 +- .../data/counters/in-1p-ipv6-out-none-2.lua | 4 +- ...v4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua | 4 +- ...in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua | 4 +- .../ndp-no-na-next-hop6-mac-not-set-2pkts.lua | 4 +- .../ndp-no-na-next-hop6-mac-not-set-3pkts.lua | 4 +- .../data/counters/ndp-ns-for-next-hop.lua | 4 +- .../tests/data/counters/nofrag4-arp.lua | 4 +- .../tests/data/counters/nofrag4-ping.lua | 4 +- .../data/counters/nofrag6-filterdrop.lua | 4 +- .../tests/data/counters/nofrag6-ns-badip.lua | 4 +- .../tests/data/counters/nofrag6-sol.lua | 4 +- .../non-ipv4-traffic-to-ipv4-interface.lua | 4 +- .../non-ipv6-traffic-to-ipv6-interface.lua | 4 +- .../data/counters/tcp-frominet-bound-ttl1.lua | 4 +- 53 files changed, 155 insertions(+), 145 deletions(-) diff --git a/src/apps/lwaftr/fragmentv4_hardened.lua b/src/apps/lwaftr/fragmentv4_hardened.lua index 92f62c90aa..fc6a28e370 100644 --- a/src/apps/lwaftr/fragmentv4_hardened.lua +++ b/src/apps/lwaftr/fragmentv4_hardened.lua @@ -131,7 +131,7 @@ local function reassembly_status(reassembly_buf) if reassembly_buf.final_start == 0 then return FRAGMENT_MISSING end - if reassembly_buf.running_length ~= reassembly_buf.reassembly_packet.length then + if reassembly_buf.running_length ~= reassembly_buf.reassembly_length then return FRAGMENT_MISSING end if not verify_valid_offsets(reassembly_buf) then @@ -149,9 +149,15 @@ local function fix_pkt_checksum(pkt) htons(ipsum(pkt.data + ehs, ihl, 0))) end +local function pseudo_clone(data, len) + local p = packet.allocate() + p.headroom = 0 + packet.append(p, data, len) + return p +end + local function attempt_reassembly(frags_table, reassembly_buf, fragment) local ihl = get_ihl_from_offset(fragment, ehs) - local reassembly_pkt = reassembly_buf.reassembly_packet local frag_id = get_frag_id(fragment) if frag_id ~= reassembly_buf.fragment_id then -- unreachable error("Impossible case reached in v4 reassembly") --REASSEMBLY_INVALID @@ -187,25 +193,29 @@ local function attempt_reassembly(frags_table, reassembly_buf, fragment) -- Specifically, it requires this file to know the details of struct packet. local skip_headers = reassembly_buf.reassembly_base local dst_offset = skip_headers + frag_start - local last_ok = packet_payload_size - reassembly_pkt.headroom + local last_ok = packet_payload_size if dst_offset + frag_size > last_ok then -- Prevent a buffer overflow. The relevant RFC allows hosts to silently discard -- reassemblies above a certain rather small size, smaller than this. return REASSEMBLY_INVALID end - ffi.copy(reassembly_pkt.data + dst_offset, + local reassembly_data = reassembly_buf.reassembly_data + ffi.copy(reassembly_data + dst_offset, fragment.data + skip_headers, frag_size) local max_data_offset = skip_headers + frag_start + frag_size - reassembly_pkt.length = math.max(reassembly_pkt.length, max_data_offset) + reassembly_buf.reassembly_length = math.max(reassembly_buf.reassembly_length, + max_data_offset) reassembly_buf.running_length = reassembly_buf.running_length + frag_size local restatus = reassembly_status(reassembly_buf) if restatus == REASSEMBLY_OK then + local pkt_len = htons(reassembly_buf.reassembly_length - ehs) local o_len = ehs + o_ipv4_total_length - wr16(reassembly_pkt.data + o_len, htons(reassembly_pkt.length - ehs)) - fix_pkt_checksum(reassembly_pkt) - local reassembled_packet = packet.clone(reassembly_buf.reassembly_packet) + wr16(reassembly_data + o_len, pkt_len) + local reassembled_packet = pseudo_clone(reassembly_buf.reassembly_data, + reassembly_buf.reassembly_length) + fix_pkt_checksum(reassembled_packet) free_reassembly_buf_and_pkt(fragment, frags_table) return REASSEMBLY_OK, reassembled_packet else @@ -221,13 +231,11 @@ local function packet_to_reassembly_buffer(pkt) reassembly_buf.fragment_id = get_frag_id(pkt) reassembly_buf.reassembly_base = ehs + ihl - local tmplen = pkt.length - pkt.length = ehs + ihl - local repkt = reassembly_buf.reassembly_packet - packet.clone_to_memory(repkt, pkt) - wr32(repkt.data + ehs + o_ipv4_identification, 0) -- Clear fragmentation data - reassembly_buf.running_length = pkt.length - pkt.length = tmplen + local headers_len = ehs + ihl + local re_data = reassembly_buf.reassembly_data + ffi.copy(re_data, pkt.data, headers_len) + wr32(re_data + ehs + o_ipv4_identification, 0) -- Clear fragmentation data + reassembly_buf.running_length = headers_len return reassembly_buf end @@ -256,10 +264,11 @@ function initialize_frag_table(max_fragmented_packets, max_pkt_frag) uint16_t final_start; uint16_t reassembly_base; uint16_t fragment_id; - uint32_t running_length; - struct packet reassembly_packet; + uint32_t running_length; // bytes copied so far + uint16_t reassembly_length; // analog to packet.length + uint8_t reassembly_data[$]; } __attribute((packed))]], - max_frags_per_packet, max_frags_per_packet) + max_frags_per_packet, max_frags_per_packet, packet.max_payload) scratch_rbuf = ipv4_reassembly_buffer_t() local max_occupy = 0.9 diff --git a/src/apps/lwaftr/fragmentv6_hardened.lua b/src/apps/lwaftr/fragmentv6_hardened.lua index faf6301c89..e0240cbd6a 100644 --- a/src/apps/lwaftr/fragmentv6_hardened.lua +++ b/src/apps/lwaftr/fragmentv6_hardened.lua @@ -136,7 +136,7 @@ local function reassembly_status(reassembly_buf) if reassembly_buf.final_start == 0 then return FRAGMENT_MISSING end - if reassembly_buf.running_length ~= reassembly_buf.reassembly_packet.length then + if reassembly_buf.running_length ~= reassembly_buf.reassembly_length then return FRAGMENT_MISSING end if not verify_valid_offsets(reassembly_buf) then @@ -145,8 +145,14 @@ local function reassembly_status(reassembly_buf) return REASSEMBLY_OK end +local function pseudo_clone(data, len) + local p = packet.allocate() + p.headroom = 0 + packet.append(p, data, len) + return p +end + local function attempt_reassembly(frags_table, reassembly_buf, fragment) - local reassembly_pkt = reassembly_buf.reassembly_packet local frag_id = get_frag_id(fragment) if frag_id ~= reassembly_buf.fragment_id then -- unreachable error("Impossible case reached in v6 reassembly") --REASSEMBLY_INVALID @@ -182,22 +188,24 @@ local function attempt_reassembly(frags_table, reassembly_buf, fragment) -- Specifically, it requires this file to know the details of struct packet. local skip_headers = reassembly_buf.reassembly_base local dst_offset = skip_headers + frag_start - local last_ok = packet_payload_size - reassembly_pkt.headroom + local last_ok = packet_payload_size if dst_offset + frag_size > last_ok then -- Prevent a buffer overflow. The relevant RFC allows hosts to silently discard -- reassemblies above a certain rather small size, smaller than this. return REASSEMBLY_INVALID end - ffi.copy(reassembly_pkt.data + dst_offset, + ffi.copy(reassembly_buf.reassembly_data + dst_offset, fragment.data + skip_headers + ipv6_frag_header_size, frag_size) local max_data_offset = skip_headers + frag_start + frag_size - reassembly_pkt.length = math.max(reassembly_pkt.length, max_data_offset) + reassembly_buf.reassembly_length = math.max(reassembly_buf.reassembly_length, + max_data_offset) reassembly_buf.running_length = reassembly_buf.running_length + frag_size local restatus = reassembly_status(reassembly_buf) if restatus == REASSEMBLY_OK then - local reassembled_packet = packet.clone(reassembly_buf.reassembly_packet) + local reassembled_packet = pseudo_clone(reassembly_buf.reassembly_data, + reassembly_buf.reassembly_length) free_reassembly_buf_and_pkt(fragment, frags_table) return REASSEMBLY_OK, reassembled_packet else @@ -212,17 +220,15 @@ local function packet_to_reassembly_buffer(pkt) reassembly_buf.fragment_id = get_frag_id(pkt) reassembly_buf.reassembly_base = ehs + ipv6_fixed_header_size - local tmplen = pkt.length - pkt.length = ehs + ipv6_fixed_header_size - local repkt = reassembly_buf.reassembly_packet - packet.clone_to_memory(repkt, pkt) - reassembly_buf.running_length = pkt.length + local reassembly_data = reassembly_buf.reassembly_data + local headers_len = ehs + ipv6_fixed_header_size + ffi.copy(reassembly_data, pkt.data, headers_len) + reassembly_buf.running_length = headers_len - pkt.length = tmplen --Take the next header information from the fragment local next_header_base_offset = ehs + o_ipv6_next_header local next_header_frag_offset = ehs + ipv6_fixed_header_size -- +0 - repkt.data[next_header_base_offset] = pkt.data[next_header_frag_offset] + reassembly_data[next_header_base_offset] = pkt.data[next_header_frag_offset] return reassembly_buf end @@ -250,10 +256,11 @@ function initialize_frag_table(max_fragmented_packets, max_pkt_frag, memuse_coun uint16_t final_start; uint16_t reassembly_base; uint32_t fragment_id; - uint32_t running_length; - struct packet reassembly_packet; + uint32_t running_length; // bytes copied so far + uint16_t reassembly_length; // analog to packet.length + uint8_t reassembly_data[$]; } __attribute((packed))]], - max_frags_per_packet, max_frags_per_packet) + max_frags_per_packet, max_frags_per_packet, packet.max_payload) scratch_rbuf = ipv6_reassembly_buffer_t() local max_occupy = 0.9 diff --git a/src/core/packet.lua b/src/core/packet.lua index 54c0b5cbdd..a3dd8b5dad 100644 --- a/src/core/packet.lua +++ b/src/core/packet.lua @@ -76,25 +76,19 @@ function new_packet () return p end --- Clone srcp into pre-allocated memory for dstp, in a way compatible --- with the current definition of struct packet. -function clone_to_memory(dstp, srcp) - dstp.length = srcp.length - dstp.headroom = srcp.headroom - dstp.data = dstp.data_ + dstp.headroom - ffi.copy(dstp.data, srcp.data, srcp.length) -end - -- Create an exact copy of a packet. function clone (p) local p2 = allocate() - clone_to_memory(p2, p) + p2.length = p.length + p2.headroom = p.headroom + p2.data = p2.data_ + p2.headroom + ffi.copy(p2.data, p.data, p.length) return p2 end -- Append data to the end of a packet. function append (p, ptr, len) - assert(p.length + len <= max_payload, "packet payload overflow") + assert(p.length + len + p.headroom <= max_payload, "packet payload overflow") ffi.copy(p.data + p.length, ptr, len) p.length = p.length + len return p diff --git a/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua b/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua index 35ff210f10..9742590d1b 100644 --- a/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua +++ b/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua @@ -1,6 +1,6 @@ return { - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 42, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua index 99637924e5..6f5761c00b 100644 --- a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua +++ b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua @@ -6,8 +6,8 @@ return { ["in-ipv4-bytes"] = 1494, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-icmpv4-bytes"] = 590, ["out-icmpv4-packets"] = 1, ["out-ipv4-bytes"] = 590, diff --git a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua index a36a434c8d..d386f948fe 100644 --- a/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua +++ b/src/program/lwaftr/tests/data/counters/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua @@ -7,6 +7,6 @@ return { ["in-ipv4-bytes"] = 1494, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua index ec5f3150a8..9ba856630c 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin.lua @@ -4,8 +4,8 @@ return { ["in-ipv6-bytes"] = 106, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 106, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua index 9eeeb04f84..995c9c1e70 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua @@ -10,6 +10,6 @@ return { ["in-ipv6-bytes"] = 138, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua index 64e0b6e8bc..3db1b65211 100644 --- a/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-tunneled-icmpv4-ping-hairpin.lua @@ -4,8 +4,8 @@ return { ["in-ipv6-bytes"] = 138, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 138, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua b/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua index 1943e90393..b552af4ad9 100644 --- a/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua +++ b/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua @@ -2,8 +2,8 @@ return { ["in-ipv6-bytes"] = 74, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 74, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua index 3befe53d43..c120deb63d 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua @@ -3,8 +3,8 @@ return { ["in-ipv4-frag-needsreassembly"] = 3, ["in-ipv4-frag-reassembled"] = 1, ["in-ipv4-packets"] = 3, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 1584, ["out-ipv6-frag"] = 2, ["out-ipv6-packets"] = 2, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua index 93ebc0ee42..ff88439bd6 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua @@ -2,6 +2,6 @@ return { ["in-ipv4-bytes"] = 66, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua index 2de95ffacb..353f35e619 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-icmpv4.lua @@ -6,8 +6,8 @@ return { ["in-ipv4-bytes"] = 66, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, ["out-ipv4-bytes"] = 94, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-1.lua index e521404b14..4350b67d10 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-1.lua @@ -2,8 +2,8 @@ return { ["in-ipv4-bytes"] = 66, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 106, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua index 9839223fc6..0a05fe1a22 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua @@ -3,8 +3,8 @@ return { ["in-ipv4-frag-needsreassembly"] = 3, ["in-ipv4-frag-reassembled"] = 1, ["in-ipv4-packets"] = 3, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 1500, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua index c6c8388c2d..7c5ea51874 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua @@ -2,8 +2,8 @@ return { ["in-ipv4-bytes"] = 1494, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 1604, ["out-ipv6-frag"] = 2, ["out-ipv6-packets"] = 2, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua index 3ad73d1c00..e2ff0f673e 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua @@ -2,8 +2,8 @@ return { ["in-ipv4-bytes"] = 2734, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 2906, ["out-ipv6-frag"] = 3, ["out-ipv6-packets"] = 3, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua index fde541804b..93da1c0130 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua @@ -2,8 +2,8 @@ return { ["in-ipv4-bytes"] = 1474, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 1584, ["out-ipv6-frag"] = 2, ["out-ipv6-packets"] = 2, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6.lua index 4df70324b4..88a9e7b3a6 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6.lua @@ -2,8 +2,8 @@ return { ["in-ipv4-bytes"] = 1474, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 1514, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-7.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-7.lua index a6d171a1d5..1ecd1b8dba 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-7.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-7.lua @@ -2,8 +2,8 @@ return { ["in-ipv4-bytes"] = 98, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 138, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-8.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-8.lua index 479e4b2624..e3b276150f 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-8.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-8.lua @@ -2,8 +2,8 @@ return { ["in-ipv4-bytes"] = 70, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 110, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua index e43bbb83fc..0f4fa7977f 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua @@ -2,8 +2,8 @@ return { ["in-ipv4-bytes"] = 120, ["in-ipv4-frag-reassembly-unneeded"] = 2, ["in-ipv4-packets"] = 2, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 54, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua index 25d079a511..caa23da4dd 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-1.lua @@ -7,6 +7,6 @@ return { ["in-ipv4-bytes"] = 66, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua index a41d571808..9fe0e2ec7b 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-2.lua @@ -6,6 +6,6 @@ return { ["in-ipv4-bytes"] = 98, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua index b5dec7f599..248600d5ed 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-3.lua @@ -6,6 +6,6 @@ return { ["in-ipv4-bytes"] = 98, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua index dd479f7c93..c25181f669 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-none-4.lua @@ -8,6 +8,6 @@ return { ["in-ipv4-bytes"] = 98, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua index ba8ea99669..38b3ad4eec 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua @@ -3,6 +3,6 @@ return { ["in-ipv6-bytes"] = 1604, ["in-ipv6-frag-needsreassembly"] = 2, ["in-ipv6-packets"] = 2, - ["memuse-ipv4-frag-reassembly-buffer"] = 457260448, - ["memuse-ipv6-frag-reassembly-buffer"] = 247536, + ["memuse-ipv4-frag-reassembly-buffer"] = 456638204, + ["memuse-ipv6-frag-reassembly-buffer"] = 247200, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua index 1eda0601d1..8e0c5a0c15 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv4-1.lua @@ -2,8 +2,8 @@ return { ["in-ipv6-bytes"] = 154, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, ["out-ipv4-bytes"] = 94, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua index 87ff2c58a3..36cb51997a 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua @@ -6,8 +6,8 @@ return { ["in-ipv6-bytes"] = 106, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-icmpv6-bytes"] = 154, ["out-icmpv6-packets"] = 1, ["out-ipv6-bytes"] = 154, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua index dc82621f2e..aee4d22790 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua @@ -6,8 +6,8 @@ return { ["in-ipv6-bytes"] = 138, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-icmpv6-bytes"] = 186, ["out-icmpv6-packets"] = 1, ["out-ipv6-bytes"] = 186, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua index 2342b84252..59318a826c 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua @@ -2,8 +2,8 @@ return { ["in-ipv6-bytes"] = 1046, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 1040, ["out-ipv4-frag"] = 2, ["out-ipv4-packets"] = 2, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua index b4fe67ae84..815ba30ab2 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua @@ -2,8 +2,8 @@ return { ["in-ipv6-bytes"] = 1500, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 1528, ["out-ipv4-frag"] = 3, ["out-ipv4-packets"] = 3, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua index c64609799d..65755eb143 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua @@ -3,8 +3,8 @@ return { ["in-ipv6-frag-needsreassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, ["in-ipv6-packets"] = 2, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 1494, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua index 00d167f02f..c052037a71 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua @@ -2,8 +2,8 @@ return { ["in-ipv6-bytes"] = 180, ["in-ipv6-frag-reassembly-unneeded"] = 2, ["in-ipv6-packets"] = 2, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 66, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4.lua index cff87393bf..2642132c59 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4.lua @@ -2,8 +2,8 @@ return { ["in-ipv6-bytes"] = 106, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 66, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua index 78983c88e5..81bf061c0c 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua @@ -3,8 +3,8 @@ return { ["in-ipv6-frag-needsreassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, ["in-ipv6-packets"] = 2, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 1474, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua index 14de0349cc..c9f0f4f72d 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua @@ -3,8 +3,8 @@ return { ["in-ipv6-frag-needsreassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, ["in-ipv6-packets"] = 2, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 1542, ["out-ipv4-frag"] = 3, ["out-ipv4-packets"] = 3, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-hoplimhair.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-hoplimhair.lua index 45ae24b062..d871522e31 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-hoplimhair.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-hoplimhair.lua @@ -2,8 +2,8 @@ return { ["in-ipv6-bytes"] = 154, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, ["out-ipv6-bytes"] = 134, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua index f4bf4f6796..b2ea80fdac 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-1.lua @@ -7,6 +7,6 @@ return { ["in-ipv6-bytes"] = 106, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua index 457d3fde7b..fc8fba2ef3 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-none-2.lua @@ -6,6 +6,6 @@ return { ["in-ipv6-bytes"] = 154, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua index cc629b1f8f..1cd2294ee6 100644 --- a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua +++ b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua @@ -9,6 +9,6 @@ return { ["in-ipv6-bytes"] = 106, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua index b66620e45d..a012f28ab1 100644 --- a/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua @@ -8,8 +8,8 @@ return { ["in-ipv6-bytes"] = 106, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, ["out-ipv6-bytes"] = 134, diff --git a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua index fdef1b5e1d..24b29f7c45 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua @@ -4,8 +4,8 @@ return { ["in-ipv6-bytes"] = 212, ["in-ipv6-frag-reassembly-unneeded"] = 2, ["in-ipv6-packets"] = 2, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 66, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua index 7ed9832093..fe05b52053 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua @@ -4,8 +4,8 @@ return { ["in-ipv6-bytes"] = 298, ["in-ipv6-frag-reassembly-unneeded"] = 3, ["in-ipv6-packets"] = 3, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 66, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua b/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua index 9a580af82b..df52bfb889 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua @@ -1,6 +1,6 @@ return { - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 86, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/nofrag4-arp.lua b/src/program/lwaftr/tests/data/counters/nofrag4-arp.lua index a9e0e431a6..5904d7d23a 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag4-arp.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag4-arp.lua @@ -2,8 +2,8 @@ return { ["in-ipv4-bytes"] = 42, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 42, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua b/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua index 6af4f51744..584a44aae8 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua @@ -2,8 +2,8 @@ return { ["in-ipv4-bytes"] = 54, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 54, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua b/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua index 4b3c7ee574..55f162e367 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua @@ -2,6 +2,6 @@ return { ["in-ipv6-bytes"] = 106, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/nofrag6-ns-badip.lua b/src/program/lwaftr/tests/data/counters/nofrag6-ns-badip.lua index f42381bf51..615876c2b8 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag6-ns-badip.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag6-ns-badip.lua @@ -2,6 +2,6 @@ return { ["in-ipv6-bytes"] = 86, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua b/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua index 463c592bc0..9621d342de 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua @@ -2,8 +2,8 @@ return { ["in-ipv6-bytes"] = 86, ["in-ipv6-frag-reassembly-unneeded"] = 1, ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 86, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua b/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua index e0fcab65c8..9400e1d61b 100644 --- a/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua +++ b/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua @@ -3,6 +3,6 @@ return { ["drop-all-ipv6-iface-packets"] = 1, ["drop-misplaced-not-ipv6-bytes"] = 66, ["drop-misplaced-not-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua b/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua index 30ad5da4d0..f8f2449a80 100644 --- a/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua +++ b/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua @@ -3,6 +3,6 @@ return { ["drop-all-ipv4-iface-packets"] = 1, ["drop-misplaced-not-ipv4-bytes"] = 106, ["drop-misplaced-not-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua b/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua index 80bf430dd2..ebca6730cd 100644 --- a/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua +++ b/src/program/lwaftr/tests/data/counters/tcp-frominet-bound-ttl1.lua @@ -6,8 +6,8 @@ return { ["in-ipv4-bytes"] = 66, ["in-ipv4-frag-reassembly-unneeded"] = 1, ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-icmpv4-bytes"] = 94, ["out-icmpv4-packets"] = 1, ["out-ipv4-bytes"] = 94, From 168e27a76474bae306408be1085145af5bde0406 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Tue, 30 Aug 2016 11:22:33 +0200 Subject: [PATCH 170/340] Removed unused parameter --- src/apps/lwaftr/fragmentv6_hardened.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/apps/lwaftr/fragmentv6_hardened.lua b/src/apps/lwaftr/fragmentv6_hardened.lua index e0240cbd6a..b8452a9f79 100644 --- a/src/apps/lwaftr/fragmentv6_hardened.lua +++ b/src/apps/lwaftr/fragmentv6_hardened.lua @@ -245,7 +245,7 @@ local function hash_ipv6(key) return hash end -function initialize_frag_table(max_fragmented_packets, max_pkt_frag, memuse_counter) +function initialize_frag_table(max_fragmented_packets, max_pkt_frag) -- Initialize module-scoped variables max_frags_per_packet = max_pkt_frag ipv6_reassembly_buffer_t = ffi.typeof([[ From 3461a48d6cd9e371a23dd31df1d46deb77f23cf3 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Tue, 30 Aug 2016 17:53:20 +0200 Subject: [PATCH 171/340] Documented fragment counters and troubleshooting --- src/program/lwaftr/doc/README.counters.md | 94 ++++++++++++++++++++++- 1 file changed, 91 insertions(+), 3 deletions(-) diff --git a/src/program/lwaftr/doc/README.counters.md b/src/program/lwaftr/doc/README.counters.md index 0a41fa4fc5..aa3f29b513 100644 --- a/src/program/lwaftr/doc/README.counters.md +++ b/src/program/lwaftr/doc/README.counters.md @@ -101,12 +101,100 @@ Counters: - **drop-in-by-rfc7596-icmpv4**: incoming ICMPv4 packets with no destination (RFC 7596 section 8.1) +### Fragmentation counters + +All fragmentation counters have 'frag' in the name: this reflects that they +are counters related to fragmentation. Some are counts of all the packets which +are NOT fragments. All fragmentation counters are in terms of packets, not bytes, +except for the ones which deal with the amount of RAM used (prefix `memuse-`). +The memory use counters are in bytes. + +IPv4 fragmentation counters: + +- **in-ipv4-frag-needsreassembly**: An IPv4 fragment was received. +- **in-ipv4-frag-reassembled**: A packet was successfully reassembled from IPv4 + fragments. +- **in-ipv4-frag-reassembly-unneeded**: An IPv4 packet which was not a fragment + was received - consequently, it did not need to be reassembled. This should + be the usual case. +- **drop-ipv4-frag-invalid-reassembly**: Two or more IPv4 fragments were + received, and reassembly was started, but was invalid and dropped. Causes + include multiple fragments claiming they are the last fragment, + overlapping fragment offsets, or the packet was being reassembled from too + many fragments (the setting is `max_fragments_per_reassembly_packet`, and + the default is that no packet should be reassembled from more than 40.) +- **drop-ipv4-frag-randomevicted**: Reassembling an IPv4 packet from fragments + was in progress, but the configured amount of packets to reassemble at once + was exceeded, so one was dropped at random. Consider increasing the setting + `max_ipv4_reassembly_packets`. +- **out-ipv4-frag**: An outgoing packet exceeded the configured IPv4 MTU, so + needed to be fragmented. This may happen, but should be unusual. +- **out-ipv4-frag-not**: An outgoing packet was small enough to pass through + unfragmented - this should be the usual case. +- **memuse-ipv4-frag-reassembly-buffer**: The amount of memory being used by + the statically sized data structure for reassembling IPv4 fragments. This is + directly proportional to the setting `max_ipv4_reassembly_packets`. + +IPv6 fragmentation counters: + +- **in-ipv6-frag-needsreassembly**: An IPv6 fragment was received +- **in-ipv6-frag-reassembled**: A packet was successfully reassembled from IPv6 + fragments +- **in-ipv6-frag-reassembly-unneeded**: An IPv6 packet which was not a fragment + was received - consequently, it did not need to be reassembled. This should + be the usual case. +- **drop-ipv6-frag-invalid-reassembly**: Two or more IPv6 fragments were + received, and reassembly was started, but was invalid and dropped. Causes + include multiple fragments claiming they are the last fragment, + overlapping fragment offsets, or the packet was being reassembled from too + many fragments (the setting is `max_fragments_per_reassembly_packet`, and + the default is that no packet should be reassembled from more than 40.) +- **drop-ipv6-frag-randomevicted**: Reassembling an IPv6 packet from fragments + was in progress, but the configured amount of packets to reassemble at once + was exceeded, so one was dropped at random. Consider increasing the setting + `max_ipv6_reassembly_packets`. +- **out-ipv6-frag**: An outgoing packet exceeded the configured IPv6 MTU, so + needed to be fragmented. This may happen, but should be unusual. +- **out-ipv6-frag-not**: An outgoing packet was small enough to pass through + unfragmented - this should be the usual case. +- **memuse-ipv6-frag-reassembly-buffer**: The amount of memory being used by + the statically sized data structure for reassembling IPv6 fragments. This is + directly proportional to the setting `max_ipv6_reassembly_packets`. + + +## Troubleshooting using counters + +- Is the lwAftr getting packets? See `in-ipv4-packets` and `in-ipv6-bytes`. + If those are zero, it is not: check physical cabling and VLAN settings. + Other troubleshooting steps may also apply, such as IOMMU settings: see + `src/program/lwaftr/doc/README.troubleshooting.md`. +- Are the fragmentation counters indicating needing fragmentation and + reassembly large? If `in-ipv4-frag-needsreassembly` or + `in-ipv6-frag-needsreassembly` are large, ask why there are so many fragments + reaching the lwAftr. If `out-ipv4-frag` or `out-ipv6-frag` are large, ask + why the lwAftr needs to fragment so many outgoing packets, and check the + settings `ipv4_mtu` and `ipv6_mtu` in the settings. +- Are `drop-ipv6-frag-randomevicted` or `drop-ipv4-frag-randomevicted` high? + Consider increasing the settings `max_ipv4_reassembly_packets` and/or + `max_ipv6_reassembly_packets`, and/or sending us a note. +- Are `drop-no-dest-softwire-ipv4` or `drop-no-source-softwire-ipv6` high? + Check that the lwAftr's binding table matches your expectations. + (Try `snabb lwaftr control [pid] dump-configuration`, then checking /tmp). + ## Notes -The internally generated ICMPv4 error packets that are then dropped because -of policy are not recorded as dropped: only incoming ICMP packets are. +Internally generated ICMPv4 error packets that are dropped because of policy +are not recorded as dropped: only incoming ICMP packets are. ("Policy" means +the configuration settings on whether to allow or drop incoming and outgoing +ICMPv4 and ICMPv6 packets, such as `policy_icmpv4_incoming = ALLOW`.) -Implementation detail: rhe counters can be accessed as files in the runtime +Implementation detail: counters can be accessed as files in the runtime area of the Snabb process, typically under `/var/run/snabb/[PID]/app/lwaftr/counters/`. Most of them are represented by two files, ending with the `bytes` and `packets` suffixes. + +Note that all counters only see packets without VLAN tags, so the total number +of bytes will be 2 bytes smaller than expected per packet on networks with VLANs. + +Both 'in' and 'out' in counter names are relative to the lwAftr software, not a +network: a packet can come in from a B4 and out to the internet, or vice versa. From 01eb36ce93b687234e98eef2870d59749ff162e7 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Tue, 30 Aug 2016 18:20:48 +0200 Subject: [PATCH 172/340] Rename: needsreassembly -> needs-reassembly --- src/apps/lwaftr/ipv4_apps.lua | 2 +- src/apps/lwaftr/ipv6_apps.lua | 2 +- src/apps/lwaftr/lwcounter.lua | 4 ++-- src/program/lwaftr/doc/README.counters.md | 8 ++++---- .../in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua | 2 +- .../tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua | 2 +- .../lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua | 2 +- .../tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua | 2 +- .../data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua | 2 +- .../tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua | 2 +- 10 files changed, 14 insertions(+), 14 deletions(-) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index a97d68de64..cc209bb346 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -85,7 +85,7 @@ function Reassembler:push () elseif v4 and is_fragment(pkt) then counter.add(self.counters["in-ipv4-bytes"], pkt.length) counter.add(self.counters["in-ipv4-packets"]) - counter.add(self.counters["in-ipv4-frag-needsreassembly"]) + counter.add(self.counters["in-ipv4-frag-needs-reassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then counter.add(self.counters["drop-ipv4-frag-randomevicted"]) diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 7942ab60f2..21b50adb60 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -79,7 +79,7 @@ function ReassembleV6:push () elseif is_fragment(pkt) then counter.add(self.counters["in-ipv6-bytes"], pkt.length) counter.add(self.counters["in-ipv6-packets"]) - counter.add(self.counters["in-ipv6-frag-needsreassembly"]) + counter.add(self.counters["in-ipv6-frag-needs-reassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then counter.add(self.counters["drop-ipv6-frag-randomevicted"]) diff --git a/src/apps/lwaftr/lwcounter.lua b/src/apps/lwaftr/lwcounter.lua index f703046d13..4426c133bb 100644 --- a/src/apps/lwaftr/lwcounter.lua +++ b/src/apps/lwaftr/lwcounter.lua @@ -102,7 +102,7 @@ counter_names = { "drop-out-by-policy-icmpv6-packets", -- Reassembly counters - "in-ipv4-frag-needsreassembly", + "in-ipv4-frag-needs-reassembly", "in-ipv4-frag-reassembled", "in-ipv4-frag-reassembly-unneeded", "drop-ipv4-frag-invalid-reassembly", @@ -111,7 +111,7 @@ counter_names = { "out-ipv4-frag-not", "memuse-ipv4-frag-reassembly-buffer", - "in-ipv6-frag-needsreassembly", + "in-ipv6-frag-needs-reassembly", "in-ipv6-frag-reassembled", "in-ipv6-frag-reassembly-unneeded", "drop-ipv6-frag-invalid-reassembly", diff --git a/src/program/lwaftr/doc/README.counters.md b/src/program/lwaftr/doc/README.counters.md index aa3f29b513..dba55e22fd 100644 --- a/src/program/lwaftr/doc/README.counters.md +++ b/src/program/lwaftr/doc/README.counters.md @@ -111,7 +111,7 @@ The memory use counters are in bytes. IPv4 fragmentation counters: -- **in-ipv4-frag-needsreassembly**: An IPv4 fragment was received. +- **in-ipv4-frag-needs-reassembly**: An IPv4 fragment was received. - **in-ipv4-frag-reassembled**: A packet was successfully reassembled from IPv4 fragments. - **in-ipv4-frag-reassembly-unneeded**: An IPv4 packet which was not a fragment @@ -137,7 +137,7 @@ IPv4 fragmentation counters: IPv6 fragmentation counters: -- **in-ipv6-frag-needsreassembly**: An IPv6 fragment was received +- **in-ipv6-frag-needs-reassembly**: An IPv6 fragment was received - **in-ipv6-frag-reassembled**: A packet was successfully reassembled from IPv6 fragments - **in-ipv6-frag-reassembly-unneeded**: An IPv6 packet which was not a fragment @@ -169,8 +169,8 @@ IPv6 fragmentation counters: Other troubleshooting steps may also apply, such as IOMMU settings: see `src/program/lwaftr/doc/README.troubleshooting.md`. - Are the fragmentation counters indicating needing fragmentation and - reassembly large? If `in-ipv4-frag-needsreassembly` or - `in-ipv6-frag-needsreassembly` are large, ask why there are so many fragments + reassembly large? If `in-ipv4-frag-needs-reassembly` or + `in-ipv6-frag-needs-reassembly` are large, ask why there are so many fragments reaching the lwAftr. If `out-ipv4-frag` or `out-ipv6-frag` are large, ask why the lwAftr needs to fragment so many outgoing packets, and check the settings `ipv4_mtu` and `ipv6_mtu` in the settings. diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua index c120deb63d..174a88cf53 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua @@ -1,6 +1,6 @@ return { ["in-ipv4-bytes"] = 1542, - ["in-ipv4-frag-needsreassembly"] = 3, + ["in-ipv4-frag-needs-reassembly"] = 3, ["in-ipv4-frag-reassembled"] = 1, ["in-ipv4-packets"] = 3, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua index 0a05fe1a22..ae9372c7cb 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua @@ -1,6 +1,6 @@ return { ["in-ipv4-bytes"] = 1528, - ["in-ipv4-frag-needsreassembly"] = 3, + ["in-ipv4-frag-needs-reassembly"] = 3, ["in-ipv4-frag-reassembled"] = 1, ["in-ipv4-packets"] = 3, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua index 38b3ad4eec..f74978790b 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua @@ -1,7 +1,7 @@ return { ["drop-ipv6-frag-invalid-reassembly"] = 1, ["in-ipv6-bytes"] = 1604, - ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-frag-needs-reassembly"] = 2, ["in-ipv6-packets"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 456638204, ["memuse-ipv6-frag-reassembly-buffer"] = 247200, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua index 65755eb143..5a9e9c3d52 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua @@ -1,6 +1,6 @@ return { ["in-ipv6-bytes"] = 1604, - ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-frag-needs-reassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, ["in-ipv6-packets"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua index 81bf061c0c..ec252454d6 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua @@ -1,6 +1,6 @@ return { ["in-ipv6-bytes"] = 1584, - ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-frag-needs-reassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, ["in-ipv6-packets"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua index c9f0f4f72d..f882009ef8 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua @@ -1,6 +1,6 @@ return { ["in-ipv6-bytes"] = 1584, - ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-frag-needs-reassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, ["in-ipv6-packets"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, From 9fe6b79a177c72cde184ea1e9570c85196cb4f96 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Tue, 30 Aug 2016 18:23:57 +0200 Subject: [PATCH 173/340] Rename: randomevicted -> random-evicted --- src/apps/lwaftr/ipv4_apps.lua | 2 +- src/apps/lwaftr/ipv6_apps.lua | 2 +- src/apps/lwaftr/lwcounter.lua | 4 ++-- src/program/lwaftr/doc/README.counters.md | 6 +++--- 4 files changed, 7 insertions(+), 7 deletions(-) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index cc209bb346..e990b36150 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -88,7 +88,7 @@ function Reassembler:push () counter.add(self.counters["in-ipv4-frag-needs-reassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then - counter.add(self.counters["drop-ipv4-frag-randomevicted"]) + counter.add(self.counters["drop-ipv4-frag-random-evicted"]) end if status == fragv4_h.REASSEMBLY_OK then -- Reassembly was successful diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 21b50adb60..eb1f11a392 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -82,7 +82,7 @@ function ReassembleV6:push () counter.add(self.counters["in-ipv6-frag-needs-reassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then - counter.add(self.counters["drop-ipv6-frag-randomevicted"]) + counter.add(self.counters["drop-ipv6-frag-random-evicted"]) end if status == fragv6_h.REASSEMBLY_OK then diff --git a/src/apps/lwaftr/lwcounter.lua b/src/apps/lwaftr/lwcounter.lua index 4426c133bb..4286b6cdf1 100644 --- a/src/apps/lwaftr/lwcounter.lua +++ b/src/apps/lwaftr/lwcounter.lua @@ -106,7 +106,7 @@ counter_names = { "in-ipv4-frag-reassembled", "in-ipv4-frag-reassembly-unneeded", "drop-ipv4-frag-invalid-reassembly", - "drop-ipv4-frag-randomevicted", + "drop-ipv4-frag-random-evicted", "out-ipv4-frag", "out-ipv4-frag-not", "memuse-ipv4-frag-reassembly-buffer", @@ -115,7 +115,7 @@ counter_names = { "in-ipv6-frag-reassembled", "in-ipv6-frag-reassembly-unneeded", "drop-ipv6-frag-invalid-reassembly", - "drop-ipv6-frag-randomevicted", + "drop-ipv6-frag-random-evicted", "out-ipv6-frag", "out-ipv6-frag-not", "memuse-ipv6-frag-reassembly-buffer", diff --git a/src/program/lwaftr/doc/README.counters.md b/src/program/lwaftr/doc/README.counters.md index dba55e22fd..b1360dcb15 100644 --- a/src/program/lwaftr/doc/README.counters.md +++ b/src/program/lwaftr/doc/README.counters.md @@ -123,7 +123,7 @@ IPv4 fragmentation counters: overlapping fragment offsets, or the packet was being reassembled from too many fragments (the setting is `max_fragments_per_reassembly_packet`, and the default is that no packet should be reassembled from more than 40.) -- **drop-ipv4-frag-randomevicted**: Reassembling an IPv4 packet from fragments +- **drop-ipv4-frag-random-evicted**: Reassembling an IPv4 packet from fragments was in progress, but the configured amount of packets to reassemble at once was exceeded, so one was dropped at random. Consider increasing the setting `max_ipv4_reassembly_packets`. @@ -149,7 +149,7 @@ IPv6 fragmentation counters: overlapping fragment offsets, or the packet was being reassembled from too many fragments (the setting is `max_fragments_per_reassembly_packet`, and the default is that no packet should be reassembled from more than 40.) -- **drop-ipv6-frag-randomevicted**: Reassembling an IPv6 packet from fragments +- **drop-ipv6-frag-random-evicted**: Reassembling an IPv6 packet from fragments was in progress, but the configured amount of packets to reassemble at once was exceeded, so one was dropped at random. Consider increasing the setting `max_ipv6_reassembly_packets`. @@ -174,7 +174,7 @@ IPv6 fragmentation counters: reaching the lwAftr. If `out-ipv4-frag` or `out-ipv6-frag` are large, ask why the lwAftr needs to fragment so many outgoing packets, and check the settings `ipv4_mtu` and `ipv6_mtu` in the settings. -- Are `drop-ipv6-frag-randomevicted` or `drop-ipv4-frag-randomevicted` high? +- Are `drop-ipv6-frag-random-evicted` or `drop-ipv4-frag-random-evicted` high? Consider increasing the settings `max_ipv4_reassembly_packets` and/or `max_ipv6_reassembly_packets`, and/or sending us a note. - Are `drop-no-dest-softwire-ipv4` or `drop-no-source-softwire-ipv6` high? From 60aaa9c6991bc45d21d773dc881f972ea74938de Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 30 Aug 2016 17:15:57 +0000 Subject: [PATCH 174/340] Fix counters path --- src/program/lwaftr/query/query.lua | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua index b85431a87d..3e15365669 100644 --- a/src/program/lwaftr/query/query.lua +++ b/src/program/lwaftr/query/query.lua @@ -4,7 +4,7 @@ local S = require("syscall") local counter = require("core.counter") local ffi = require("ffi") local lib = require("core.lib") -local lwaftr = require("apps.lwaftr.lwaftr") +local lwcounter = require("apps.lwaftr.lwcounter") local lwtypes = require("apps.lwaftr.lwtypes") local lwutil = require("apps.lwaftr.lwutil") local shm = require("core.shm") @@ -14,7 +14,7 @@ local select_snabb_instance = top.select_snabb_instance local keys = lwutil.keys -- Get the counter dir from the code. -local counters_rel_dir = lwaftr.counters_dir +local counters_dir = lwcounter.counters_dir function show_usage (code) print(require("program.lwaftr.query.README_inc")) @@ -27,7 +27,7 @@ local function sort (t) end local function is_counter_name (name) - return lwaftr.counter_names[name] ~= nil + return lwcounter.counter_names[name] ~= nil end local function pidof(maybe_pid) @@ -47,7 +47,7 @@ function parse_args (raw_args) local handlers = {} function handlers.h() show_usage(0) end function handlers.l () - for _, name in ipairs(sort(lwaftr.counter_names)) do + for _, name in ipairs(sort(lwcounter.counter_names)) do print(name) end main.exit(0) @@ -77,7 +77,7 @@ local function read_counters (tree, filter) local ret = {} local cnt, cnt_path, value local max_width = 0 - local counters_path = "/" .. tree .. "/" .. counters_rel_dir + local counters_path = "/" .. tree .. "/" .. counters_dir local counters = shm.children(counters_path) for _, name in ipairs(counters) do cnt_path = counters_path .. name From 6e5f416b9962c85bb077fbd2968ad3a310396f81 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 30 Aug 2016 17:40:31 +0000 Subject: [PATCH 175/340] Assert counters were initialized --- src/apps/lwaftr/ipv4_apps.lua | 4 ++-- src/apps/lwaftr/ipv6_apps.lua | 4 ++-- src/apps/lwaftr/lwaftr.lua | 2 +- src/apps/lwaftr/lwcounter.lua | 2 +- src/program/lwaftr/setup.lua | 2 +- 5 files changed, 7 insertions(+), 7 deletions(-) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index a97d68de64..2e8b790878 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -46,7 +46,7 @@ ICMPEcho = {} function Reassembler:new(conf) local o = setmetatable({}, {__index=Reassembler}) o.conf = conf - o.counters = conf.counters + o.counters = assert(conf.counters, "Counters not initialized") o.ctab = fragv4_h.initialize_frag_table(conf.max_ipv4_reassembly_packets, conf.max_fragments_per_reassembly_packet) counter.set(o.counters["memuse-ipv4-frag-reassembly-buffer"], @@ -116,7 +116,7 @@ end function Fragmenter:new(conf) local o = setmetatable({}, {__index=Fragmenter}) o.conf = conf - o.counters = conf.counters + o.counters = assert(conf.counters, "Counters not initialized") o.mtu = assert(conf.mtu) return o end diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 7942ab60f2..667832e906 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -43,7 +43,7 @@ ICMPEcho = {} function ReassembleV6:new(conf) local o = setmetatable({}, {__index = ReassembleV6}) o.conf = conf - o.counters = conf.counters + o.counters = assert(conf.counters, "Counters not initialized") o.ctab = fragv6_h.initialize_frag_table(conf.max_ipv6_reassembly_packets, conf.max_fragments_per_reassembly_packet) counter.set(o.counters["memuse-ipv6-frag-reassembly-buffer"], @@ -111,7 +111,7 @@ end function Fragmenter:new(conf) local o = setmetatable({}, {__index=Fragmenter}) o.conf = conf - o.counters = conf.counters + o.counters = assert(conf.counters, "Counters not initialized") o.mtu = assert(conf.mtu) return o end diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 2b327d52f7..d4dc7ab3d9 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -284,7 +284,7 @@ function LwAftr:new(conf) o.hairpin_lookup_queue = bt.BTLookupQueue.new(o.binding_table) o.control = channel.create('lwaftr/control', messages.lwaftr_message_t) - o.counters = conf.counters + o.counters = assert(conf.counters, "Counters not initialized") transmit_icmpv6_reply = init_transmit_icmpv6_reply(o) transmit_icmpv4_reply = init_transmit_icmpv4_reply(o) diff --git a/src/apps/lwaftr/lwcounter.lua b/src/apps/lwaftr/lwcounter.lua index f703046d13..616b776936 100644 --- a/src/apps/lwaftr/lwcounter.lua +++ b/src/apps/lwaftr/lwcounter.lua @@ -121,7 +121,7 @@ counter_names = { "memuse-ipv6-frag-reassembly-buffer", } -function create_counters () +function init_counters () local counters = {} for _, name in ipairs(counter_names) do counters[name] = {counter} diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index eddab51231..cf56669733 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -20,7 +20,7 @@ function lwaftr_app(c, conf) conf.preloaded_binding_table = bt.load(conf.binding_table) local function append(t, elem) table.insert(t, elem) end local function prepend(t, elem) table.insert(t, 1, elem) end - conf.counters = lwcounter.create_counters() + conf.counters = lwcounter.init_counters() config.app(c, "reassemblerv4", ipv4_apps.Reassembler, conf) config.app(c, "reassemblerv6", ipv6_apps.ReassembleV6, conf) From 4132426b39e572e8cad982801dfadfa46aa2f5bf Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 31 Aug 2016 11:56:51 +0000 Subject: [PATCH 176/340] Fix initialization of Reassembly/Fragmentation apps --- src/apps/lwaftr/ipv4_apps.lua | 24 +++++++++++++----------- src/apps/lwaftr/ipv6_apps.lua | 24 +++++++++++++----------- 2 files changed, 26 insertions(+), 22 deletions(-) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index db7525f2d8..6749239aeb 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -44,14 +44,16 @@ ARP = {} ICMPEcho = {} function Reassembler:new(conf) - local o = setmetatable({}, {__index=Reassembler}) - o.conf = conf - o.counters = assert(conf.counters, "Counters not initialized") - o.ctab = fragv4_h.initialize_frag_table(conf.max_ipv4_reassembly_packets, - conf.max_fragments_per_reassembly_packet) + local max_ipv4_reassembly_packets = assert(conf.max_ipv4_reassembly_packets) + local max_fragments_per_reassembly_packet = assert(conf.max_fragments_per_reassembly_packet) + local o = { + counters = assert(conf.counters, "Counters not initialized"), + ctab = fragv4_h.initialize_frag_table(max_ipv4_reassembly_packets, + max_fragments_per_reassembly_packet), + } counter.set(o.counters["memuse-ipv4-frag-reassembly-buffer"], o.ctab:get_backing_size()) - return o + return setmetatable(o, {__index=Reassembler}) end local function is_fragment(pkt) @@ -114,11 +116,11 @@ function Reassembler:push () end function Fragmenter:new(conf) - local o = setmetatable({}, {__index=Fragmenter}) - o.conf = conf - o.counters = assert(conf.counters, "Counters not initialized") - o.mtu = assert(conf.mtu) - return o + local o = { + counters = assert(conf.counters, "Counters not initialized"), + mtu = assert(conf.mtu), + } + return setmetatable(o, {__index=Fragmenter}) end function Fragmenter:push () diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index f56ed98e04..367a344436 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -41,14 +41,16 @@ NDP = {} ICMPEcho = {} function ReassembleV6:new(conf) - local o = setmetatable({}, {__index = ReassembleV6}) - o.conf = conf - o.counters = assert(conf.counters, "Counters not initialized") - o.ctab = fragv6_h.initialize_frag_table(conf.max_ipv6_reassembly_packets, - conf.max_fragments_per_reassembly_packet) + local max_ipv6_reassembly_packets = conf.max_ipv6_reassembly_packets + local max_fragments_per_reassembly_packet = conf.max_fragments_per_reassembly_packet + local o = { + counters = assert(conf.counters, "Counters not initialized"), + ctab = fragv6_h.initialize_frag_table(max_ipv6_reassembly_packets, + max_fragments_per_reassembly_packet), + } counter.set(o.counters["memuse-ipv6-frag-reassembly-buffer"], o.ctab:get_backing_size()) - return o + return setmetatable(o, {__index = ReassembleV6}) end function ReassembleV6:cache_fragment(fragment) @@ -109,11 +111,11 @@ function ReassembleV6:push () end function Fragmenter:new(conf) - local o = setmetatable({}, {__index=Fragmenter}) - o.conf = conf - o.counters = assert(conf.counters, "Counters not initialized") - o.mtu = assert(conf.mtu) - return o + local o = { + counters = assert(conf.counters, "Counters not initialized"), + mtu = assert(conf.mtu), + } + return setmetatable(o, {__index=Fragmenter}) end function Fragmenter:push () From 4a0047e73684e726a6bad2001f82993b8b8418d9 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Wed, 31 Aug 2016 14:22:21 +0200 Subject: [PATCH 177/340] Reverted moving the wire-oriented counters to the edges This comes with a tradeoff: the overall incoming/outgoing counters are less accurate (ie, 3 fragmented packets are counted as one incoming packet, of less total bytes), but allows more freedom in app network configuration (for instance, not using the fragmentation/reassembly apps). --- src/apps/lwaftr/ipv4_apps.lua | 20 ++------------ src/apps/lwaftr/ipv6_apps.lua | 20 +++----------- src/apps/lwaftr/lwaftr.lua | 27 +++++++++++++++++-- src/program/lwaftr/doc/README.counters.md | 5 ++++ .../tests/data/counters/arp-for-next-hop.lua | 2 -- .../data/counters/drop-misplaced-ipv4.lua | 9 +------ .../data/counters/icmpv6-ping-and-reply.lua | 4 --- ...1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua | 10 +++---- .../data/counters/in-1p-ipv4-out-0p-drop.lua | 2 -- .../counters/in-1p-ipv4-out-1p-ipv6-2.lua | 6 ++--- .../counters/in-1p-ipv4-out-1p-ipv6-3.lua | 4 +-- .../counters/in-1p-ipv4-out-1p-ipv6-4.lua | 4 +-- .../counters/in-1p-ipv4-out-1p-ipv6-5.lua | 10 +------ .../in-1p-ipv4-out-1p-ipv6-6-outfrags.lua | 4 +-- .../counters/in-1p-ipv4-out-1p-ipv6-echo.lua | 6 ++--- .../data/counters/in-1p-ipv6-out-0p-ipv4.lua | 4 +-- .../counters/in-1p-ipv6-out-1p-icmpv6-1.lua | 2 -- .../counters/in-1p-ipv6-out-1p-icmpv6-2.lua | 2 -- .../counters/in-1p-ipv6-out-1p-ipv4-1.lua | 4 +-- .../counters/in-1p-ipv6-out-1p-ipv4-2.lua | 4 +-- .../counters/in-1p-ipv6-out-1p-ipv4-3.lua | 6 ++--- .../in-1p-ipv6-out-1p-ipv4-4-and-echo.lua | 6 ++--- .../in-1p-ipv6-out-1p-ipv4-5-frags.lua | 6 ++--- .../counters/in-1p-ipv6-out-1p-ipv4-5.lua | 10 +++---- .../ndp-no-na-next-hop6-mac-not-set-2pkts.lua | 2 +- .../ndp-no-na-next-hop6-mac-not-set-3pkts.lua | 8 +++--- .../data/counters/ndp-ns-for-next-hop.lua | 2 -- .../tests/data/counters/nofrag4-ping.lua | 11 +------- .../counters/{nofrag4-arp.lua => nofrag4.lua} | 4 --- .../data/counters/nofrag6-filterdrop.lua | 8 +----- .../tests/data/counters/nofrag6-sol.lua | 4 --- .../{nofrag6-ns-badip.lua => nofrag6.lua} | 2 -- .../non-ipv4-traffic-to-ipv4-interface.lua | 1 + .../non-ipv6-traffic-to-ipv6-interface.lua | 1 + .../tests/end-to-end/core-end-to-end.sh | 10 +++---- 35 files changed, 85 insertions(+), 145 deletions(-) rename src/program/lwaftr/tests/data/counters/{nofrag4-arp.lua => nofrag4.lua} (63%) rename src/program/lwaftr/tests/data/counters/{nofrag6-ns-badip.lua => nofrag6.lua} (75%) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index db7525f2d8..c2207713ab 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -74,18 +74,8 @@ function Reassembler:push () for _=1,math.min(link.nreadable(input), link.nwritable(output)) do local pkt = receive(input) - local v4 = is_ipv4(pkt) - if not v4 and not arp.is_arp(pkt) then - counter.add(self.counters["drop-misplaced-not-ipv4-bytes"], pkt.length) - counter.add(self.counters["drop-misplaced-not-ipv4-packets"]) - -- It's guaranteed to not be hairpinned. - counter.add(self.counters["drop-all-ipv4-iface-bytes"], pkt.length) - counter.add(self.counters["drop-all-ipv4-iface-packets"]) - packet.free(pkt) - elseif v4 and is_fragment(pkt) then - counter.add(self.counters["in-ipv4-bytes"], pkt.length) - counter.add(self.counters["in-ipv4-packets"]) - counter.add(self.counters["in-ipv4-frag-needs-reassembly"]) + if is_ipv4(pkt) and is_fragment(pkt) then + counter.add(self.counters["in-ipv4-frag-needsreassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then counter.add(self.counters["drop-ipv4-frag-random-evicted"]) @@ -105,8 +95,6 @@ function Reassembler:push () end else -- Forward all packets that aren't IPv4 fragments. - counter.add(self.counters["in-ipv4-bytes"], pkt.length) - counter.add(self.counters["in-ipv4-packets"]) counter.add(self.counters["in-ipv4-frag-reassembly-unneeded"]) transmit(output, pkt) end @@ -133,8 +121,6 @@ function Fragmenter:push () if status == fragmentv4.FRAGMENT_OK then for i=1,#frags do counter.add(self.counters["out-ipv4-frag"]) - counter.add(self.counters["out-ipv4-bytes"], frags[i].length) - counter.add(self.counters["out-ipv4-packets"]) transmit(output, frags[i]) end else @@ -142,8 +128,6 @@ function Fragmenter:push () packet.free(pkt) end else - counter.add(self.counters["out-ipv4-bytes"], pkt.length) - counter.add(self.counters["out-ipv4-packets"]) counter.add(self.counters["out-ipv4-frag-not"]) transmit(output, pkt) end diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index f56ed98e04..8632005469 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -70,16 +70,8 @@ function ReassembleV6:push () for _=1,link.nreadable(input) do local pkt = receive(input) - if not is_ipv6(pkt) then - counter.add(self.counters["drop-misplaced-not-ipv6-bytes"], pkt.length) - counter.add(self.counters["drop-misplaced-not-ipv6-packets"]) - counter.add(self.counters["drop-all-ipv6-iface-bytes"], pkt.length) - counter.add(self.counters["drop-all-ipv6-iface-packets"]) - packet.free(pkt) - elseif is_fragment(pkt) then - counter.add(self.counters["in-ipv6-bytes"], pkt.length) - counter.add(self.counters["in-ipv6-packets"]) - counter.add(self.counters["in-ipv6-frag-needs-reassembly"]) + if is_ipv6(pkt) and is_fragment(pkt) then + counter.add(self.counters["in-ipv6-frag-needsreassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then counter.add(self.counters["drop-ipv6-frag-random-evicted"]) @@ -99,9 +91,7 @@ function ReassembleV6:push () packet.free(pkt) end else - -- Forward all IPv6 packets that aren't IPv6 fragments. - counter.add(self.counters["in-ipv6-bytes"], pkt.length) - counter.add(self.counters["in-ipv6-packets"]) + -- Forward all packets that aren't IPv6 fragments. counter.add(self.counters["in-ipv6-frag-reassembly-unneeded"]) transmit(output, pkt) end @@ -132,14 +122,10 @@ function Fragmenter:push () local unfragmentable_header_size = ehs + ipv6_fixed_header_size local pkts = fragmentv6.fragment(pkt, unfragmentable_header_size, mtu) for i=1,#pkts do - counter.add(self.counters["out-ipv6-bytes"], pkts[i].length) - counter.add(self.counters["out-ipv6-packets"]) counter.add(self.counters["out-ipv6-frag"]) transmit(output, pkts[i]) end else - counter.add(self.counters["out-ipv6-bytes"], pkt.length) - counter.add(self.counters["out-ipv6-packets"]) counter.add(self.counters["out-ipv6-frag-not"]) transmit(output, pkt) end diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index d4dc7ab3d9..8afc528832 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -239,6 +239,8 @@ local function init_transmit_icmpv4_reply (lwstate) if ipv4_in_binding_table(lwstate, dst_ip) then return transmit(lwstate.input.hairpin_in, pkt) else + counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["out-ipv4-packets"]) return transmit(lwstate.o4, pkt) end else @@ -342,8 +344,11 @@ end -- packets is an internal implementation detail that DOES NOT go out over -- physical wires. -- Not incrementing out-ipv4-bytes and out-ipv4-packets is straightforward. --- Not incrementing in-ipv4-[bytes|packets] is harder. This is done via --- an extra internal interface/queue for hairpinned packets. +-- Not incrementing in-ipv4-[bytes|packets] is harder. The easy way would be +-- to add extra flags and conditionals, but it's expected that a high enough +-- percentage of traffic might be hairpinned that this could be problematic, +-- (and a nightmare as soon as we add any kind of parallelism) +-- so instead we speculatively decrement the counters here. -- It is assumed that any packet we transmit to lwstate.input.v4 will not -- be dropped before the in-ipv4-[bytes|packets] counters are incremented; -- I *think* this approach bypasses using the physical NIC but am not @@ -359,6 +364,8 @@ local function transmit_ipv4(lwstate, pkt) counter.add(lwstate.counters["hairpin-ipv4-packets"]) return transmit(lwstate.input.hairpin_in, pkt) else + counter.add(lwstate.counters["out-ipv4-bytes"], pkt.length) + counter.add(lwstate.counters["out-ipv4-packets"]) return transmit(lwstate.o4, pkt) end end @@ -506,6 +513,9 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr print("encapsulated packet:") lwdebug.print_pkt(pkt) end + + counter.add(lwstate.counters["out-ipv6-bytes"], pkt.length) + counter.add(lwstate.counters["out-ipv6-packets"]) return transmit(lwstate.o6, pkt) end @@ -838,8 +848,14 @@ function LwAftr:push () -- Drop anything that's not IPv6. local pkt = receive(i6) if is_ipv6(pkt) then + counter.add(self.counters["in-ipv6-bytes"], pkt.length) + counter.add(self.counters["in-ipv6-packets"]) from_b4(self, pkt) else + counter.add(self.counters["drop-misplaced-not-ipv6-bytes"], pkt.length) + counter.add(self.counters["drop-misplaced-not-ipv6-packets"]) + counter.add(self.counters["drop-all-ipv6-iface-bytes"], pkt.length) + counter.add(self.counters["drop-all-ipv6-iface-packets"]) drop(pkt) end end @@ -850,8 +866,15 @@ function LwAftr:push () -- packets. Drop anything that's not IPv4. local pkt = receive(i4) if is_ipv4(pkt) then + counter.add(self.counters["in-ipv4-bytes"], pkt.length) + counter.add(self.counters["in-ipv4-packets"]) from_inet(self, pkt, PKT_FROM_INET) else + counter.add(self.counters["drop-misplaced-not-ipv4-bytes"], pkt.length) + counter.add(self.counters["drop-misplaced-not-ipv4-packets"]) + -- It's guaranteed to not be hairpinned. + counter.add(self.counters["drop-all-ipv4-iface-bytes"], pkt.length) + counter.add(self.counters["drop-all-ipv4-iface-packets"]) drop(pkt) end end diff --git a/src/program/lwaftr/doc/README.counters.md b/src/program/lwaftr/doc/README.counters.md index b1360dcb15..9ecc79fbed 100644 --- a/src/program/lwaftr/doc/README.counters.md +++ b/src/program/lwaftr/doc/README.counters.md @@ -198,3 +198,8 @@ of bytes will be 2 bytes smaller than expected per packet on networks with VLANs Both 'in' and 'out' in counter names are relative to the lwAftr software, not a network: a packet can come in from a B4 and out to the internet, or vice versa. +The overall counters on incoming and outgoing packets, such as `in-ipv6-bytes`, +are relative to the core lwAftr functionality, not the wire: things like ARP +and NDP that aren't handled by the core lwAftr logic are excluded, and it deals +with logical packets that have already been reassembled (if incoming) or have +not yet been fragmented (if outgoing). diff --git a/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua b/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua index 9742590d1b..e6e899a778 100644 --- a/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua +++ b/src/program/lwaftr/tests/data/counters/arp-for-next-hop.lua @@ -1,7 +1,5 @@ return { ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv4-bytes"] = 42, ["out-ipv4-frag-not"] = 1, - ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua b/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua index 542c61bccb..a564707544 100644 --- a/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua +++ b/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua @@ -1,8 +1 @@ -return { - ["drop-misplaced-ipv4-bytes"] = 106, - ["drop-misplaced-ipv4-packets"] = 1, - ["drop-all-ipv4-bytes"] = 106, - ["drop-all-ipv4-packets"] = 1, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, -} +return {} diff --git a/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua b/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua index b552af4ad9..94c3c64d95 100644 --- a/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua +++ b/src/program/lwaftr/tests/data/counters/icmpv6-ping-and-reply.lua @@ -1,10 +1,6 @@ return { - ["in-ipv6-bytes"] = 74, ["in-ipv6-frag-reassembly-unneeded"] = 1, - ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv6-bytes"] = 74, ["out-ipv6-frag-not"] = 1, - ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua index 174a88cf53..929ee536a1 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua @@ -1,11 +1,11 @@ return { - ["in-ipv4-bytes"] = 1542, - ["in-ipv4-frag-needs-reassembly"] = 3, + ["in-ipv4-bytes"] = 1474, + ["in-ipv4-frag-needsreassembly"] = 3, ["in-ipv4-frag-reassembled"] = 1, - ["in-ipv4-packets"] = 3, + ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv6-bytes"] = 1584, + ["out-ipv6-bytes"] = 1514, ["out-ipv6-frag"] = 2, - ["out-ipv6-packets"] = 2, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua index ff88439bd6..55a98a01c6 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-0p-drop.lua @@ -1,7 +1,5 @@ return { - ["in-ipv4-bytes"] = 66, ["in-ipv4-frag-reassembly-unneeded"] = 1, - ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua index ae9372c7cb..83f6bd31a9 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua @@ -1,8 +1,8 @@ return { - ["in-ipv4-bytes"] = 1528, - ["in-ipv4-frag-needs-reassembly"] = 3, + ["in-ipv4-bytes"] = 1460, + ["in-ipv4-frag-needsreassembly"] = 3, ["in-ipv4-frag-reassembled"] = 1, - ["in-ipv4-packets"] = 3, + ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv6-bytes"] = 1500, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua index 7c5ea51874..339f035bb8 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-3.lua @@ -4,7 +4,7 @@ return { ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv6-bytes"] = 1604, + ["out-ipv6-bytes"] = 1534, ["out-ipv6-frag"] = 2, - ["out-ipv6-packets"] = 2, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua index e2ff0f673e..3226a8e25a 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-4.lua @@ -4,7 +4,7 @@ return { ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv6-bytes"] = 2906, + ["out-ipv6-bytes"] = 2774, ["out-ipv6-frag"] = 3, - ["out-ipv6-packets"] = 3, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua index deb7efc2a2..a564707544 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua @@ -1,9 +1 @@ -return { - ["in-ipv4-bytes"] = 66, - ["in-ipv4-packets"] = 1, - - ["out-ipv6-bytes"] = 94, - ["out-ipv6-packets"] = 1, - ["memuse-ipv6-frag-reassembly-buffer"] = 465349620, - ["memuse-ipv4-frag-reassembly-buffer"] = 464194024, -} +return {} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua index 93da1c0130..bf9278210e 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua @@ -4,7 +4,7 @@ return { ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv6-bytes"] = 1584, + ["out-ipv6-bytes"] = 1514, ["out-ipv6-frag"] = 2, - ["out-ipv6-packets"] = 2, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua index 0f4fa7977f..6b640a28a7 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-echo.lua @@ -1,12 +1,10 @@ return { - ["in-ipv4-bytes"] = 120, + ["in-ipv4-bytes"] = 66, ["in-ipv4-frag-reassembly-unneeded"] = 2, - ["in-ipv4-packets"] = 2, + ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv4-bytes"] = 54, ["out-ipv4-frag-not"] = 1, - ["out-ipv4-packets"] = 1, ["out-ipv6-bytes"] = 106, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua index f74978790b..c99f85668a 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua @@ -1,8 +1,6 @@ return { ["drop-ipv6-frag-invalid-reassembly"] = 1, - ["in-ipv6-bytes"] = 1604, - ["in-ipv6-frag-needs-reassembly"] = 2, - ["in-ipv6-packets"] = 2, + ["in-ipv6-frag-needsreassembly"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 456638204, ["memuse-ipv6-frag-reassembly-buffer"] = 247200, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua index 36cb51997a..fc2e6a6418 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-1.lua @@ -10,7 +10,5 @@ return { ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-icmpv6-bytes"] = 154, ["out-icmpv6-packets"] = 1, - ["out-ipv6-bytes"] = 154, ["out-ipv6-frag-not"] = 1, - ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua index aee4d22790..e84d9c175d 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-icmpv6-2.lua @@ -10,7 +10,5 @@ return { ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-icmpv6-bytes"] = 186, ["out-icmpv6-packets"] = 1, - ["out-ipv6-bytes"] = 186, ["out-ipv6-frag-not"] = 1, - ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua index 59318a826c..f5523e3e6f 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-1.lua @@ -4,7 +4,7 @@ return { ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv4-bytes"] = 1040, + ["out-ipv4-bytes"] = 1006, ["out-ipv4-frag"] = 2, - ["out-ipv4-packets"] = 2, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua index 815ba30ab2..728a658226 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-2.lua @@ -4,7 +4,7 @@ return { ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv4-bytes"] = 1528, + ["out-ipv4-bytes"] = 1460, ["out-ipv4-frag"] = 3, - ["out-ipv4-packets"] = 3, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua index 5a9e9c3d52..780800f488 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua @@ -1,8 +1,8 @@ return { - ["in-ipv6-bytes"] = 1604, - ["in-ipv6-frag-needs-reassembly"] = 2, + ["in-ipv6-bytes"] = 1534, + ["in-ipv6-frag-needsreassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, - ["in-ipv6-packets"] = 2, + ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 1494, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua index c052037a71..a36dc4712e 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua @@ -1,13 +1,11 @@ return { - ["in-ipv6-bytes"] = 180, + ["in-ipv6-bytes"] = 106, ["in-ipv6-frag-reassembly-unneeded"] = 2, - ["in-ipv6-packets"] = 2, + ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 66, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, - ["out-ipv6-bytes"] = 74, ["out-ipv6-frag-not"] = 1, - ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua index ec252454d6..1bb706d7ee 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua @@ -1,8 +1,8 @@ return { - ["in-ipv6-bytes"] = 1584, - ["in-ipv6-frag-needs-reassembly"] = 2, + ["in-ipv6-bytes"] = 1514, + ["in-ipv6-frag-needsreassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, - ["in-ipv6-packets"] = 2, + ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 1474, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua index f882009ef8..bd694b38cb 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua @@ -1,11 +1,11 @@ return { - ["in-ipv6-bytes"] = 1584, - ["in-ipv6-frag-needs-reassembly"] = 2, + ["in-ipv6-bytes"] = 1514, + ["in-ipv6-frag-needsreassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, - ["in-ipv6-packets"] = 2, + ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv4-bytes"] = 1542, + ["out-ipv4-bytes"] = 1474, ["out-ipv4-frag"] = 3, - ["out-ipv4-packets"] = 3, + ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua index 24b29f7c45..ffe1f70a22 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-2pkts.lua @@ -9,7 +9,7 @@ return { ["out-ipv4-bytes"] = 66, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, - ["out-ipv6-bytes"] = 86, + ["out-ipv6-bytes"] = 106, ["out-ipv6-frag-not"] = 1, ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua index fe05b52053..578f0d14f0 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-no-na-next-hop6-mac-not-set-3pkts.lua @@ -1,15 +1,15 @@ return { ["hairpin-ipv4-bytes"] = 66, ["hairpin-ipv4-packets"] = 1, - ["in-ipv6-bytes"] = 298, + ["in-ipv6-bytes"] = 212, ["in-ipv6-frag-reassembly-unneeded"] = 3, - ["in-ipv6-packets"] = 3, + ["in-ipv6-packets"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, ["out-ipv4-bytes"] = 66, ["out-ipv4-frag-not"] = 1, ["out-ipv4-packets"] = 1, - ["out-ipv6-bytes"] = 192, + ["out-ipv6-bytes"] = 106, ["out-ipv6-frag-not"] = 2, - ["out-ipv6-packets"] = 2, + ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua b/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua index df52bfb889..ba29b509da 100644 --- a/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua +++ b/src/program/lwaftr/tests/data/counters/ndp-ns-for-next-hop.lua @@ -1,7 +1,5 @@ return { ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv6-bytes"] = 86, ["out-ipv6-frag-not"] = 1, - ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua b/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua index 584a44aae8..a564707544 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua @@ -1,10 +1 @@ -return { - ["in-ipv4-bytes"] = 54, - ["in-ipv4-frag-reassembly-unneeded"] = 1, - ["in-ipv4-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, - ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv4-bytes"] = 54, - ["out-ipv4-frag-not"] = 1, - ["out-ipv4-packets"] = 1, -} +return {} diff --git a/src/program/lwaftr/tests/data/counters/nofrag4-arp.lua b/src/program/lwaftr/tests/data/counters/nofrag4.lua similarity index 63% rename from src/program/lwaftr/tests/data/counters/nofrag4-arp.lua rename to src/program/lwaftr/tests/data/counters/nofrag4.lua index 5904d7d23a..8549719ecb 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag4-arp.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag4.lua @@ -1,10 +1,6 @@ return { - ["in-ipv4-bytes"] = 42, ["in-ipv4-frag-reassembly-unneeded"] = 1, - ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv4-bytes"] = 42, ["out-ipv4-frag-not"] = 1, - ["out-ipv4-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua b/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua index 55f162e367..a564707544 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua @@ -1,7 +1 @@ -return { - ["in-ipv6-bytes"] = 106, - ["in-ipv6-frag-reassembly-unneeded"] = 1, - ["in-ipv6-packets"] = 1, - ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, - ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, -} +return {} diff --git a/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua b/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua index 9621d342de..94c3c64d95 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag6-sol.lua @@ -1,10 +1,6 @@ return { - ["in-ipv6-bytes"] = 86, ["in-ipv6-frag-reassembly-unneeded"] = 1, - ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, - ["out-ipv6-bytes"] = 86, ["out-ipv6-frag-not"] = 1, - ["out-ipv6-packets"] = 1, } diff --git a/src/program/lwaftr/tests/data/counters/nofrag6-ns-badip.lua b/src/program/lwaftr/tests/data/counters/nofrag6.lua similarity index 75% rename from src/program/lwaftr/tests/data/counters/nofrag6-ns-badip.lua rename to src/program/lwaftr/tests/data/counters/nofrag6.lua index 615876c2b8..c140f2dd1e 100644 --- a/src/program/lwaftr/tests/data/counters/nofrag6-ns-badip.lua +++ b/src/program/lwaftr/tests/data/counters/nofrag6.lua @@ -1,7 +1,5 @@ return { - ["in-ipv6-bytes"] = 86, ["in-ipv6-frag-reassembly-unneeded"] = 1, - ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua b/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua index 9400e1d61b..421dc870ac 100644 --- a/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua +++ b/src/program/lwaftr/tests/data/counters/non-ipv4-traffic-to-ipv4-interface.lua @@ -3,6 +3,7 @@ return { ["drop-all-ipv6-iface-packets"] = 1, ["drop-misplaced-not-ipv6-bytes"] = 66, ["drop-misplaced-not-ipv6-packets"] = 1, + ["in-ipv6-frag-reassembly-unneeded"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua b/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua index f8f2449a80..d0048bd7f9 100644 --- a/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua +++ b/src/program/lwaftr/tests/data/counters/non-ipv6-traffic-to-ipv6-interface.lua @@ -3,6 +3,7 @@ return { ["drop-all-ipv4-iface-packets"] = 1, ["drop-misplaced-not-ipv4-bytes"] = 106, ["drop-misplaced-not-ipv4-packets"] = 1, + ["in-ipv4-frag-reassembly-unneeded"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, } diff --git a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh index 2ea9440390..2b0ac3f154 100755 --- a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh @@ -111,7 +111,7 @@ echo "Testing: NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${EMPTY} ${TEST_BASE}/ndp_incoming_ns_nonlwaftr.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/nofrag6-ns-badip.lua + ${COUNTERS}/nofrag6.lua echo "Testing: NDP: IPv6 but not eth addr of next IPv6 hop set, do Neighbor Solicitation" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ @@ -123,7 +123,7 @@ echo "Testing: ARP: incoming ARP request" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ ${TEST_BASE}/arp_request_recv.pcap ${EMPTY} \ ${TEST_BASE}/arp_reply_send.pcap ${EMPTY} \ - ${COUNTERS}/nofrag4-arp.lua + ${COUNTERS}/nofrag4.lua echo "Testing: ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_without_mac4.conf \ @@ -527,7 +527,7 @@ echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DRO snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/nofrag6-filterdrop.lua + ${COUNTERS}/nofrag6.lua # Egress filters @@ -541,7 +541,7 @@ echo "Testing: egress-filter: to-internet (IPv4) (DROP)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ ${EMPTY} ${EMPTY} \ - ${COUNTERS}/nofrag6-filterdrop.lua + ${COUNTERS}/nofrag6.lua echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ @@ -559,7 +559,7 @@ echo "Testing: ICMP Echo to AFTR (IPv4)" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ ${TEST_BASE}/ping-v4.pcap ${EMPTY} \ ${TEST_BASE}/ping-v4-reply.pcap ${EMPTY} \ - ${COUNTERS}/nofrag4-ping.lua + ${COUNTERS}/nofrag4.lua echo "Testing: ICMP Echo to AFTR (IPv4) + data" snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ From ec0b43464f60562a567b83206d98c459b6c65e62 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Wed, 31 Aug 2016 14:31:52 +0200 Subject: [PATCH 178/340] Dashes strike again --- src/apps/lwaftr/ipv4_apps.lua | 2 +- src/apps/lwaftr/ipv6_apps.lua | 2 +- .../data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua | 2 +- .../lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua | 2 +- .../lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua | 2 +- .../lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua | 2 +- .../tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua | 2 +- .../lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua | 2 +- 8 files changed, 8 insertions(+), 8 deletions(-) diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index c2207713ab..edb325c36c 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -75,7 +75,7 @@ function Reassembler:push () for _=1,math.min(link.nreadable(input), link.nwritable(output)) do local pkt = receive(input) if is_ipv4(pkt) and is_fragment(pkt) then - counter.add(self.counters["in-ipv4-frag-needsreassembly"]) + counter.add(self.counters["in-ipv4-frag-needs-reassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then counter.add(self.counters["drop-ipv4-frag-random-evicted"]) diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 8632005469..5fc34a911b 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -71,7 +71,7 @@ function ReassembleV6:push () for _=1,link.nreadable(input) do local pkt = receive(input) if is_ipv6(pkt) and is_fragment(pkt) then - counter.add(self.counters["in-ipv6-frag-needsreassembly"]) + counter.add(self.counters["in-ipv6-frag-needs-reassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then counter.add(self.counters["drop-ipv6-frag-random-evicted"]) diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua index 929ee536a1..4d2877b414 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua @@ -1,6 +1,6 @@ return { ["in-ipv4-bytes"] = 1474, - ["in-ipv4-frag-needsreassembly"] = 3, + ["in-ipv4-frag-needs-reassembly"] = 3, ["in-ipv4-frag-reassembled"] = 1, ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua index 83f6bd31a9..6dd26efc64 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-2.lua @@ -1,6 +1,6 @@ return { ["in-ipv4-bytes"] = 1460, - ["in-ipv4-frag-needsreassembly"] = 3, + ["in-ipv4-frag-needs-reassembly"] = 3, ["in-ipv4-frag-reassembled"] = 1, ["in-ipv4-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua index c99f85668a..fbfa413dd6 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-0p-ipv4.lua @@ -1,6 +1,6 @@ return { ["drop-ipv6-frag-invalid-reassembly"] = 1, - ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-frag-needs-reassembly"] = 2, ["memuse-ipv4-frag-reassembly-buffer"] = 456638204, ["memuse-ipv6-frag-reassembly-buffer"] = 247200, } diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua index 780800f488..2db08740d7 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-3.lua @@ -1,6 +1,6 @@ return { ["in-ipv6-bytes"] = 1534, - ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-frag-needs-reassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua index 1bb706d7ee..245c941402 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5-frags.lua @@ -1,6 +1,6 @@ return { ["in-ipv6-bytes"] = 1514, - ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-frag-needs-reassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua index bd694b38cb..ecffcaa07d 100644 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua +++ b/src/program/lwaftr/tests/data/counters/in-1p-ipv6-out-1p-ipv4-5.lua @@ -1,6 +1,6 @@ return { ["in-ipv6-bytes"] = 1514, - ["in-ipv6-frag-needsreassembly"] = 2, + ["in-ipv6-frag-needs-reassembly"] = 2, ["in-ipv6-frag-reassembled"] = 1, ["in-ipv6-packets"] = 1, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, From b0231956d544509e6bf58ade82182d939930b586 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 31 Aug 2016 15:06:01 +0200 Subject: [PATCH 179/340] Remove empty counter files --- src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua | 1 - .../lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua | 1 - src/program/lwaftr/tests/data/counters/nofrag4-ping.lua | 1 - src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua | 1 - 4 files changed, 4 deletions(-) delete mode 100644 src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua delete mode 100644 src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua delete mode 100644 src/program/lwaftr/tests/data/counters/nofrag4-ping.lua delete mode 100644 src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua diff --git a/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua b/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua deleted file mode 100644 index a564707544..0000000000 --- a/src/program/lwaftr/tests/data/counters/drop-misplaced-ipv4.lua +++ /dev/null @@ -1 +0,0 @@ -return {} diff --git a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua b/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua deleted file mode 100644 index a564707544..0000000000 --- a/src/program/lwaftr/tests/data/counters/in-1p-ipv4-out-1p-ipv6-5.lua +++ /dev/null @@ -1 +0,0 @@ -return {} diff --git a/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua b/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua deleted file mode 100644 index a564707544..0000000000 --- a/src/program/lwaftr/tests/data/counters/nofrag4-ping.lua +++ /dev/null @@ -1 +0,0 @@ -return {} diff --git a/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua b/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua deleted file mode 100644 index a564707544..0000000000 --- a/src/program/lwaftr/tests/data/counters/nofrag6-filterdrop.lua +++ /dev/null @@ -1 +0,0 @@ -return {} From ed3d6a1a083814cf216e4a3d4779ca9cbb8d3205 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 12 Aug 2016 12:37:52 +0000 Subject: [PATCH 180/340] Rename V4V6 input and output links --- src/apps/lwaftr/V4V6.lua | 13 ++++++------- src/program/lwaftr/run/run.lua | 4 ++-- src/program/lwaftr/setup.lua | 16 ++++++++-------- 3 files changed, 16 insertions(+), 17 deletions(-) diff --git a/src/apps/lwaftr/V4V6.lua b/src/apps/lwaftr/V4V6.lua index 39dd622fed..43bfba8d8d 100644 --- a/src/apps/lwaftr/V4V6.lua +++ b/src/apps/lwaftr/V4V6.lua @@ -72,8 +72,8 @@ end function V4V6:push() local input, output = self.input.input, self.output.output - local v4_tx, v6_tx = self.output.v4_tx, self.output.v6_tx - local v4_rx, v6_rx = self.input.v4_rx, self.input.v6_rx + local v4_tx, v6_tx = self.output.v4, self.output.v6 + local v4_rx, v6_rx = self.input.v4, self.input.v6 local mirror = self.output.mirror local ipv4_num @@ -82,7 +82,6 @@ function V4V6:push() ipv4_num = v4v6_mirror.ipv4 end - -- Split input to IPv4 and IPv6 traffic. if input then while not link.empty(input) do @@ -165,8 +164,8 @@ local function test_split () config.app(c, 'sink', basic_apps.Sink) config.link(c, 'source.output -> v4v6.input') - config.link(c, 'v4v6.v4_tx -> sink.in1') - config.link(c, 'v4v6.v6_tx -> sink.in2') + config.link(c, 'v4v6.v4 -> sink.in1') + config.link(c, 'v4v6.v6 -> sink.in2') engine.configure(c) link.transmit(engine.app_table.source.output.output, arp_pkt()) @@ -187,8 +186,8 @@ local function test_join () config.app(c, 'v4v6', V4V6) config.app(c, 'sink', basic_apps.Sink) - config.link(c, 'source.output -> v4v6.v4_rx') - config.link(c, 'source.output -> v4v6.v6_rx') + config.link(c, 'source.output -> v4v6.v4') + config.link(c, 'source.output -> v4v6.v6') config.link(c, 'v4v6.output -> sink.input') engine.configure(c) diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index d078e1ad54..0e61f999b2 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -167,8 +167,8 @@ function run(args) if opts.verbosity >= 1 then local csv = csv_stats.CSVStatsTimer.new() if opts["on-a-stick"] then - csv:add_app('v4v6', { 'v4_tx', 'v4_rx' }, { tx='IPv4 RX', rx='IPv4 TX' }) - csv:add_app('v4v6', { 'v6_tx', 'v6_rx' }, { tx='IPv6 RX', rx='IPv6 TX' }) + csv:add_app('v4v6', { 'v4', 'v4' }, { tx='IPv4 RX', rx='IPv4 TX' }) + csv:add_app('v4v6', { 'v6', 'v6' }, { tx='IPv6 RX', rx='IPv6 TX' }) else csv:add_app('inetNic', { 'tx', 'rx' }, { tx='IPv4 RX', rx='IPv4 TX' }) csv:add_app('b4sideNic', { 'tx', 'rx' }, { tx='IPv6 RX', rx='IPv6 TX' }) diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index cf56669733..c8bf226c0c 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -161,8 +161,8 @@ function load_on_a_stick(c, conf, v4v6, args) end config.link(c, 'nic.tx -> '..v4v6..'.input') - link_source(c, v4v6..'.v4_tx', v4v6..'.v6_tx') - link_sink(c, v4v6..'.v4_rx', v4v6..'.v6_rx') + link_source(c, v4v6..'.v4', v4v6..'.v6') + link_sink(c, v4v6..'.v4', v4v6..'.v6') config.link(c, v4v6..'.output -> nic.rx') if args.mirror then config.link(c, v4v6..'.mirror -> tap.input') @@ -232,8 +232,8 @@ function load_check_on_a_stick (c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6 config.app(c, 'splitter', V4V6) config.app(c, 'join', basic_apps.Join) - local sources = { "v4v6.v4_tx", "v4v6.v6_tx" } - local sinks = { "v4v6.v4_rx", "v4v6.v6_rx" } + local sources = { "v4v6.v4", "v4v6.v6" } + local sinks = { "v4v6.v4", "v4v6.v6" } if conf.vlan_tagging then config.link(c, "capturev4.output -> untagv4.input") @@ -242,8 +242,8 @@ function load_check_on_a_stick (c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6 config.link(c, "untagv6.output -> join.in2") config.link(c, "join.out -> v4v6.input") config.link(c, "v4v6.output -> splitter.input") - config.link(c, "splitter.v4_tx -> tagv4.input") - config.link(c, "splitter.v6_tx -> tagv6.input") + config.link(c, "splitter.v4 -> tagv4.input") + config.link(c, "splitter.v6 -> tagv6.input") config.link(c, "tagv4.output -> output_filev4.input") config.link(c, "tagv6.output -> output_filev6.input") else @@ -251,8 +251,8 @@ function load_check_on_a_stick (c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6 config.link(c, "capturev6.output -> join.in2") config.link(c, "join.out -> v4v6.input") config.link(c, "v4v6.output -> splitter.input") - config.link(c, "splitter.v4_tx -> output_filev4.input") - config.link(c, "splitter.v6_tx -> output_filev6.input") + config.link(c, "splitter.v4 -> output_filev4.input") + config.link(c, "splitter.v6 -> output_filev6.input") end link_source(c, unpack(sources)) From 6c29222cd58b73b9e05ce01c8602845dc182b041 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 15 Aug 2016 09:57:15 +0000 Subject: [PATCH 181/340] Import Snabbvmx --- src/program/snabbvmx/README | 7 + src/program/snabbvmx/README.inc | 1 + src/program/snabbvmx/lwaftr/README | 53 +++++++ src/program/snabbvmx/lwaftr/README.inc | 1 + src/program/snabbvmx/lwaftr/lwaftr.lua | 167 ++++++++++++++++++++ src/program/snabbvmx/lwaftr/setup.lua | 208 +++++++++++++++++++++++++ src/program/snabbvmx/snabbvmx.lua | 18 +++ 7 files changed, 455 insertions(+) create mode 100644 src/program/snabbvmx/README create mode 120000 src/program/snabbvmx/README.inc create mode 100644 src/program/snabbvmx/lwaftr/README create mode 120000 src/program/snabbvmx/lwaftr/README.inc create mode 100644 src/program/snabbvmx/lwaftr/lwaftr.lua create mode 100644 src/program/snabbvmx/lwaftr/setup.lua create mode 100644 src/program/snabbvmx/snabbvmx.lua diff --git a/src/program/snabbvmx/README b/src/program/snabbvmx/README new file mode 100644 index 0000000000..1cdc6ffc68 --- /dev/null +++ b/src/program/snabbvmx/README @@ -0,0 +1,7 @@ +Usage: + snabbvmx lwaftr + +Use --help for per-command usage. + +Example: + snabbvmx lwaftr --help diff --git a/src/program/snabbvmx/README.inc b/src/program/snabbvmx/README.inc new file mode 120000 index 0000000000..100b93820a --- /dev/null +++ b/src/program/snabbvmx/README.inc @@ -0,0 +1 @@ +README \ No newline at end of file diff --git a/src/program/snabbvmx/lwaftr/README b/src/program/snabbvmx/lwaftr/README new file mode 100644 index 0000000000..b7ca135d96 --- /dev/null +++ b/src/program/snabbvmx/lwaftr/README @@ -0,0 +1,53 @@ +Usage: lwaftr --help + +run --conf --id --pci --mac \ + --sock [-D ] [-v] + +Arguments: + + --conf configuration file for lwaftr service + --id port_id for virtio socket + --pci PCI device number for NIC + --mac Ethernet address of virtio interface + --sock Socket path for virtio-user interfaces + +Optional: + + -D Duration in seconds + -v Verbose (repeat for more verbosity) + +Example config file: + +# cat snabbvmx-lwaftr-em3-em4.cfg +return { + lwaftr = "snabbvmx-lwaftr-em3-em4.conf", + ipv6_interface = { + ipv6_address = "fc00::100", + mtu = 9500, + }, + ipv4_interface = { + ipv4_address = "10.0.1.1", + mtu = 1460, + }, + settings = {}, +} + +and the referenced 'lwaftr.conf' file: + +# cat lwaftr.conf +binding_table = binding_table.txt, +vlan_tagging = false, +aftr_ipv6_ip = fc00::100, +aftr_mac_inet_side = 02:AA:AA:AA:AA:AA, +inet_mac = 02:99:99:99:99:99, +ipv6_mtu = 9500, +policy_icmpv6_incoming = DROP, +policy_icmpv6_outgoing = DROP, +icmpv6_rate_limiter_n_packets = 6e5, +icmpv6_rate_limiter_n_seconds = 2, +aftr_ipv4_ip = 10.0.1.1, +aftr_mac_b4_side = 02:AA:AA:AA:AA:AA, +next_hop6_mac = 02:99:99:99:99:99, +ipv4_mtu = 1460, +policy_icmpv4_incoming = DROP, +policy_icmpv4_outgoing = DROP, diff --git a/src/program/snabbvmx/lwaftr/README.inc b/src/program/snabbvmx/lwaftr/README.inc new file mode 120000 index 0000000000..100b93820a --- /dev/null +++ b/src/program/snabbvmx/lwaftr/README.inc @@ -0,0 +1 @@ +README \ No newline at end of file diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua new file mode 100644 index 0000000000..0596a5df30 --- /dev/null +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -0,0 +1,167 @@ +module(..., package.seeall) + +local S = require("syscall") +local config = require("core.config") +local lib = require("core.lib") +local setup = require("program.snabbvmx.lwaftr.setup") + +local function show_usage (exit_code) + print(require("program.snabbvmx.lwaftr.README_inc")) + main.exit(exit_code) +end + +local function fatal (msg) + print(msg) + main.exit(1) +end + +local function file_exists (path) + local stat = S.stat(path) + return stat and stat.isreg +end + +local function set_ring_buffer_size(ring_buffer_size) + print(("Ring buffer size set to %d"):format(ring_buffer_size)) + require('apps.intel.intel10g').num_descriptors = ring_buffer_size +end + +function parse_args (args) + if #args == 0 then show_usage(1) end + local conf_file, id, pci, mac, sock_path + local opts = { verbosity = 0 } + local handlers = {} + function handlers.v () opts.verbosity = opts.verbosity + 1 end + function handlers.D (arg) + opts.duration = assert(tonumber(arg), "Duration must be a number") + end + function handlers.c(arg) + conf_file = arg + if not arg then + fatal("Argument '--conf' was not set") + end + if not file_exists(conf_file) then + print(("Warning: config file %s not found"):format(conf_file)) + end + end + function handlers.i(arg) + id = arg + if not arg then + fatal("Argument '--id' was not set") + end + end + function handlers.p(arg) + pci = arg + if not arg then + fatal("Argument '--pci' was not set") + end + end + function handlers.m(arg) + mac = arg + if not arg then + fatal("Argument '--mac' was not set") + end + end + function handlers.s(arg) + sock_path = arg + if not arg then + fatal("Argument '--sock' was not set") + end + end + function handlers.h() show_usage(0) end + lib.dogetopt(args, handlers, "c:s:i:p:m:vD:h", { + ["conf"] = "c", ["sock"] = "s", ["id"] = "i", ["pci"] = "p", ["mac"] = "m", + verbose = "v", duration = "D", help = "h" }) + return opts, conf_file, id, pci, mac, sock_path +end + +function run(args) + local opts, conf_file, id, pci, mac, sock_path = parse_args(args) + + local conf = {} + local lwconf = {} + local ring_buffer_size = 2048 + local discard_threshold = 100000 + local discard_check_timer = 1 + local discard_wait = 20 + + if file_exists(conf_file) then + conf = lib.load_conf(conf_file) + if not file_exists(conf.lwaftr) then + fatal(("lwAFTR conf file '%s' not found"):format(conf.lwaftr)) + end + lwconf = require('apps.lwaftr.conf').load_lwaftr_config(conf.lwaftr) + lwconf.ipv6_mtu = lwconf.ipv6_mtu or 1500 + lwconf.ipv4_mtu = lwconf.ipv4_mtu or 1460 + else + print(("Interface '%s' set to passthru mode"):format(id)) + ring_buffer_size = 1024 + conf.settings = {} + end + + if conf.settings then + if conf.settings.discard_threshold then + discard_threshold = conf.settings.discard_threshold + end + if conf.settings.discard_check_timer then + discard_check_timer = conf.settings.discard_check_timer + end + if conf.settings.discard_wait then + discard_wait = conf.settings.discard_wait + end + if conf.settings.ring_buffer_size then + ring_buffer_size = tonumber(conf.settings.ring_buffer_size) + if not ring_buffer_size then + fatal("Bad ring size: " .. conf.settings.ring_buffer_size) + end + if ring_buffer_size > 32*1024 then + fatal("Ring size too large for hardware: " .. ring_buffer_size) + end + if math.log(ring_buffer_size)/math.log(2) % 1 ~= 0 then + fatal("Ring size is not a power of two: " .. ring_buffer_size) + end + end + end + + set_ring_buffer_size(ring_buffer_size) + + local mtu = lwconf.ipv6_mtu + if mtu < lwconf.ipv4_mtu then + mtu = lwconf.ipv4_mtu + end + + local vlan = conf.settings.vlan + + conf.interface = { + mac_address = mac, + pci = pci, + id = id, + mtu = mtu, + vlan = vlan, + discard_threshold = discard_threshold, + discard_wait = discard_wait, + discard_check_timer = discard_check_timer + } + + if dir_exists(("/sys/devices/virtual/net/%s"):format(id)) then + conf.interface.mirror_id = id + end + + local c = config.new() + setup.lwaftr_app(c, conf, lwconf, sock_path) + engine.configure(c) + + if opts.verbosity >= 2 then + local function lnicui_info() + engine.report_apps() + end + local t = timer.new("report", lnicui_info, 1e9, 'repeating') + timer.activate(t) + end + + engine.busywait = true + if opts.duration then + engine.main({duration=opts.duration, report={showlinks=true}}) + else + engine.main({report={showlinks=true}}) + end +end diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua new file mode 100644 index 0000000000..1f9e79d49a --- /dev/null +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -0,0 +1,208 @@ +module(..., package.seeall) + +local PcapFilter = require("apps.packet_filter.pcap_filter").PcapFilter +local S = require("syscall") +local V4V6 = require("apps.lwaftr.V4V6").V4V6 +local VhostUser = require("apps.vhost.vhost_user").VhostUser +local basic_apps = require("apps.basic.basic_apps") +local bt = require("apps.lwaftr.binding_table") +local config = require("core.config") +local ipv4_apps = require("apps.lwaftr.ipv4_apps") +local ipv6_apps = require("apps.lwaftr.ipv6_apps") +local lib = require("core.lib") +local lwaftr = require("apps.lwaftr.lwaftr") +local nh_fwd = require("apps.nh_fwd.nh_fwd") +local pci = require("lib.hardware.pci") +local tap = require("apps.tap.tap") + +local yesno = lib.yesno + +-- TODO redundant function dir_exists also in lwaftr.lua +local function dir_exists (path) + local stat = S.stat(path) + return stat and stat.isdir +end + +local function nic_exists (pci_addr) + local devices="/sys/bus/pci/devices" + return dir_exists(("%s/%s"):format(devices, pci_addr)) or + dir_exists(("%s/0000:%s"):format(devices, pci_addr)) +end + +local function fatal (msg) + print(msg) + main.exit(1) +end + +local function load_phy (c, nic_id, interface) + assert(type(interface) == 'table') + local vlan = interface.vlan and tonumber(interface.vlan) + local chain_input, chain_output + + if nic_exists(interface.pci) then + local device_info = pci.device_info(interface.pci) + print(("%s ether %s"):format(nic_id, interface.mac_address)) + if vlan then + print(("%s vlan %d"):format(nic_id, vlan)) + end + local driver = require(device_info.driver).driver + config.app(c, nic_id, driver, { pciaddr = interface.pci, + vmdq = true, + vlan = vlan, + qprdc = { + discard_check_timer = interface.discard_check_timer, + discard_wait = interface.discard_wait, + discard_threshold = interface.discard_threshold, + }, + macaddr = interface.mac_address, mtu = interface.mtu }) + chain_input, chain_output = nic_id .. ".rx", nic_id .. ".tx" + else + print(("Couldn't find device info for PCI address '%s'"):format(interface.pci)) + if not interface.mirror_id then + fatal("Neither PCI nor tap interface given") + end + print(("Using tap interface '%s' instead"):format(interface.mirror_id)) + config.app(c, nic_id, tap.Tap, interface.mirror_id) + print(("Running VM via tap interface '%s'"):format(interface.mirror_id)) + interface.mirror_id = nil -- Hack to avoid opening again as mirror port. + chain_input, chain_output = nic_id .. ".input", nic_id .. ".output" + print(("SUCCESS %s"):format(chain_input)) + end + return chain_input, chain_output +end + +function lwaftr_app(c, conf, lwconf, sock_path) + assert(type(conf) == 'table') + assert(type(lwconf) == 'table') + + if lwconf.binding_table then + conf.preloaded_binding_table = bt.load(lwconf.binding_table) + end + + local virt_id = "vm_" .. conf.interface.id + local phy_id = "nic_" .. conf.interface.id + + local chain_input, chain_output = load_phy(c, phy_id, conf.interface) + local v4_input, v4_output, v6_input, v6_output + + print(("Hairpinning: %s"):format(yesno(lwconf.hairpinning))) + + if conf.ipv4_interface or conf.ipv6_interface then + local mirror = false + local mirror_id = conf.interface.mirror_id + if mirror_id then + mirror = true + config.app(c, "Mirror", tap.Tap, mirror_id) + config.app(c, "Sink", basic_apps.Sink) + config.link(c, "Mirror.output -> Sink.input") + config.link(c, "nic_v4v6.mirror -> Mirror.input") + print(("Mirror port %s found"):format(mirror_id)) + end + config.app(c, "nic_v4v6", V4V6, { description = "nic_v4v6", + mirror = mirror }) + config.link(c, chain_output .. " -> nic_v4v6.input") + config.link(c, "nic_v4v6.output -> " .. chain_input) + v4_output, v6_output = "nic_v4v6.v4", "nic_v4v6.v6" + v4_input, v6_input = "nic_v4v6.v4", "nic_v4v6.v6" + end + + if conf.ipv6_interface then + conf.ipv6_interface.mac_address = conf.interface.mac_address + print(("IPv6 fragmentation and reassembly: %s"):format(yesno( + conf.ipv6_interface.fragmentation))) + if conf.ipv6_interface.fragmentation then + local mtu = conf.ipv6_interface.mtu or lwconf.ipv6_mtu + config.app(c, "reassemblerv6", ipv6_apps.Reassembler) + config.app(c, "fragmenterv6", ipv6_apps.Fragmenter, { mtu = mtu }) + config.link(c, v6_output .. " -> reassemblerv6.input") + config.link(c, "fragmenterv6.output -> " .. v6_input) + v6_input, v6_output = "fragmenterv6.input", "reassemblerv6.output" + end + if conf.ipv6_interface.ipv6_ingress_filter then + local filter = conf.ipv6_interface.ipv6_ingress_filter + print(("IPv6 ingress filter: '%s'"):format(filter)) + config.app(c, "ingress_filterv6", PcapFilter, { filter = filter }) + config.link(c, v6_output .. " -> ingress_filterv6.input") + v6_output = "ingress_filterv6.output" + end + if conf.ipv6_interface.ipv6_egress_filter then + local filter = conf.ipv6_interface.ipv6_egress_filter + print(("IPv6 egress filter: '%s'"):format(filter)) + config.app(c, "egress_filterv6", PcapFilter, { filter = filter }) + config.link(c, "egress_filterv6.output -> " .. v6_input) + v6_input = "egress_filterv6.input" + end + end + + if conf.ipv4_interface then + conf.ipv4_interface.mac_address = conf.interface.mac_address + print(("IPv4 fragmentation and reassembly: %s"):format(yesno( + conf.ipv4_interface.fragmentation))) + if conf.ipv4_interface.fragmentation then + local mtu = conf.ipv4_interface.mtu or lwconf.ipv4_mtu + config.app(c, "reassemblerv4", ipv4_apps.Reassembler) + config.app(c, "fragmenterv4", ipv4_apps.Fragmenter, { mtu = mtu }) + config.link(c, v4_output .. " -> reassemblerv4.input") + config.link(c, "fragmenterv4.output -> " .. v4_input) + v4_input, v4_output = "fragmenterv4.input", "reassemblerv4.output" + end + if conf.ipv4_interface.ipv4_ingress_filter then + local filter = conf.ipv4_interface.ipv4_ingress_filter + print(("IPv4 ingress filter: '%s'"):format(filter)) + config.app(c, "ingress_filterv4", PcapFilter, { filter = filter }) + config.link(c, v4_output .. " -> ingress_filterv4.input") + v4_output = "ingress_filterv4.output" + end + if conf.ipv4_interface.ipv4_egress_filter then + local filter = conf.ipv4_interface.ipv4_egress_filter + print(("IPv4 egress filter: '%s'"):format(filter)) + config.app(c, "egress_filterv4", PcapFilter, { filter = filter }) + config.link(c, "egress_filterv4.output -> " .. v4_input) + v4_input = "egress_filterv4.input" + end + end + + if conf.ipv4_interface and conf.ipv6_interface and conf.preloaded_binding_table then + print("lwAFTR service: enabled") + config.app(c, "nh_fwd6", nh_fwd.nh_fwd6, conf.ipv6_interface) + config.link(c, v6_output .. " -> nh_fwd6.wire") + config.link(c, "nh_fwd6.wire -> " .. v6_input) + v6_input, v6_output = "nh_fwd6.vm", "nh_fwd6.vm" + + config.app(c, "nh_fwd4", nh_fwd.nh_fwd4, conf.ipv4_interface) + config.link(c, v4_output .. " -> nh_fwd4.wire") + config.link(c, "nh_fwd4.wire -> " .. v4_input) + v4_input, v4_output = "nh_fwd4.vm", "nh_fwd4.vm" + + config.app(c, "lwaftr", lwaftr.LwAftr, lwconf) + config.link(c, "nh_fwd6.service -> lwaftr.v6") + config.link(c, "lwaftr.v6 -> nh_fwd6.service") + config.link(c, "nh_fwd4.service -> lwaftr.v4") + config.link(c, "lwaftr.v4 -> nh_fwd4.service") + else + io.write("lwAFTR service: disabled ") + print("(either empty binding_table or v6 or v4 interface config missing)") + end + + if conf.ipv4_interface or conf.ipv6_interface then + config.app(c, "vm_v4v6", V4V6, { description = "vm_v4v6", + mirror = false }) + config.link(c, v6_output .. " -> vm_v4v6.v6") + config.link(c, "vm_v4v6.v6 -> " .. v6_input) + config.link(c, v4_output .. " -> vm_v4v6.v4") + config.link(c, "vm_v4v6.v4 -> " .. v4_input) + chain_input, chain_output = "vm_v4v6.input", "vm_v4v6.output" + end + + if sock_path then + local socket_path = sock_path:format(conf.interface.id) + config.app(c, virt_id, VhostUser, { socket_path = socket_path }) + config.link(c, virt_id .. ".tx -> " .. chain_input) + config.link(c, chain_output .. " -> " .. virt_id .. ".rx") + else + config.app(c, "DummyVhost", basic_apps.Sink) + config.link(c, "DummyVhost" .. ".tx -> " .. chain_input) + config.link(c, chain_output .. " -> " .. "DummyVhost" .. ".rx") + print("Running without VM (no vHostUser sock_path set)") + end +end diff --git a/src/program/snabbvmx/snabbvmx.lua b/src/program/snabbvmx/snabbvmx.lua new file mode 100644 index 0000000000..554ec748e9 --- /dev/null +++ b/src/program/snabbvmx/snabbvmx.lua @@ -0,0 +1,18 @@ +module(..., package.seeall) + +local lib = require("core.lib") + +local function show_usage(exit_code) + print(require("program.snabbvmx.README_inc")) + main.exit(exit_code) +end + +function run(args) + if #args == 0 then show_usage(1) end + local command = string.gsub(table.remove(args, 1), "-", "_") + local modname = ("program.snabbvmx.%s.%s"):format(command, command) + if not lib.have_module(modname) then + show_usage(1) + end + require(modname).run(args) +end From 4d404dc37ce395f22f599ed4da2b06a537e256c5 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 31 Aug 2016 15:07:57 +0000 Subject: [PATCH 182/340] Initialize counters and reassembly/fragmentation apps --- src/program/snabbvmx/lwaftr/setup.lua | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index 1f9e79d49a..eadec5cb4f 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -11,6 +11,7 @@ local ipv4_apps = require("apps.lwaftr.ipv4_apps") local ipv6_apps = require("apps.lwaftr.ipv6_apps") local lib = require("core.lib") local lwaftr = require("apps.lwaftr.lwaftr") +local lwcounter = require("apps.lwaftr.lwcounter") local nh_fwd = require("apps.nh_fwd.nh_fwd") local pci = require("lib.hardware.pci") local tap = require("apps.tap.tap") @@ -86,6 +87,7 @@ function lwaftr_app(c, conf, lwconf, sock_path) local v4_input, v4_output, v6_input, v6_output print(("Hairpinning: %s"):format(yesno(lwconf.hairpinning))) + local counters = lwcounter.init_counters() if conf.ipv4_interface or conf.ipv6_interface then local mirror = false @@ -112,8 +114,15 @@ function lwaftr_app(c, conf, lwconf, sock_path) conf.ipv6_interface.fragmentation))) if conf.ipv6_interface.fragmentation then local mtu = conf.ipv6_interface.mtu or lwconf.ipv6_mtu - config.app(c, "reassemblerv6", ipv6_apps.Reassembler) - config.app(c, "fragmenterv6", ipv6_apps.Fragmenter, { mtu = mtu }) + config.app(c, "reassemblerv6", ipv6_apps.ReassembleV6, { + counters = counters, + max_ipv6_reassembly_packets = lwconf.max_ipv6_reassembly_packets, + max_fragments_per_reassembly_packet = lwconf.max_fragments_per_reassembly_packet, + }) + config.app(c, "fragmenterv6", ipv6_apps.Fragmenter, { + counters = counters, + mtu = mtu, + }) config.link(c, v6_output .. " -> reassemblerv6.input") config.link(c, "fragmenterv6.output -> " .. v6_input) v6_input, v6_output = "fragmenterv6.input", "reassemblerv6.output" @@ -140,8 +149,15 @@ function lwaftr_app(c, conf, lwconf, sock_path) conf.ipv4_interface.fragmentation))) if conf.ipv4_interface.fragmentation then local mtu = conf.ipv4_interface.mtu or lwconf.ipv4_mtu - config.app(c, "reassemblerv4", ipv4_apps.Reassembler) - config.app(c, "fragmenterv4", ipv4_apps.Fragmenter, { mtu = mtu }) + config.app(c, "reassemblerv4", ipv4_apps.Reassembler, { + counters = counters, + max_ipv4_reassembly_packets = lwconf.max_ipv4_reassembly_packets, + max_fragments_per_reassembly_packet = lwconf.max_fragments_per_reassembly_packet, + }) + config.app(c, "fragmenterv4", ipv4_apps.Fragmenter, { + counters = counters, + mtu = mtu + }) config.link(c, v4_output .. " -> reassemblerv4.input") config.link(c, "fragmenterv4.output -> " .. v4_input) v4_input, v4_output = "fragmenterv4.input", "reassemblerv4.output" @@ -174,6 +190,7 @@ function lwaftr_app(c, conf, lwconf, sock_path) config.link(c, "nh_fwd4.wire -> " .. v4_input) v4_input, v4_output = "nh_fwd4.vm", "nh_fwd4.vm" + lwconf.counters = counters config.app(c, "lwaftr", lwaftr.LwAftr, lwconf) config.link(c, "nh_fwd6.service -> lwaftr.v6") config.link(c, "lwaftr.v6 -> nh_fwd6.service") From e1e0de43750c6cdda1b3462d37e6be2aa3a9d284 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 31 Aug 2016 15:09:07 +0000 Subject: [PATCH 183/340] Add hairpinning queue --- src/program/snabbvmx/lwaftr/setup.lua | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index eadec5cb4f..d6cce4f29b 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -196,6 +196,9 @@ function lwaftr_app(c, conf, lwconf, sock_path) config.link(c, "lwaftr.v6 -> nh_fwd6.service") config.link(c, "nh_fwd4.service -> lwaftr.v4") config.link(c, "lwaftr.v4 -> nh_fwd4.service") + + -- Add a special hairpinning queue to the lwaftr app. + config.link(c, "lwaftr.hairpin_out -> lwaftr.hairpin_in") else io.write("lwAFTR service: disabled ") print("(either empty binding_table or v6 or v4 interface config missing)") From 29156d0854a5c58e673ecb8da8d32b7e0c7cd903 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 23 Aug 2016 14:59:22 +0000 Subject: [PATCH 184/340] Add parameter --mirror to Snabbvmx --- src/program/snabbvmx/lwaftr/lwaftr.lua | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index 0596a5df30..bd18dde4f9 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -27,7 +27,7 @@ end function parse_args (args) if #args == 0 then show_usage(1) end - local conf_file, id, pci, mac, sock_path + local conf_file, id, pci, mac, sock_path, mirror_id local opts = { verbosity = 0 } local handlers = {} function handlers.v () opts.verbosity = opts.verbosity + 1 end @@ -67,15 +67,18 @@ function parse_args (args) fatal("Argument '--sock' was not set") end end + function handlers.mirror (arg) + mirror_id = arg + end function handlers.h() show_usage(0) end lib.dogetopt(args, handlers, "c:s:i:p:m:vD:h", { ["conf"] = "c", ["sock"] = "s", ["id"] = "i", ["pci"] = "p", ["mac"] = "m", - verbose = "v", duration = "D", help = "h" }) - return opts, conf_file, id, pci, mac, sock_path + ["mirror"] = 1, verbose = "v", duration = "D", help = "h" }) + return opts, conf_file, id, pci, mac, sock_path, mirror_id end function run(args) - local opts, conf_file, id, pci, mac, sock_path = parse_args(args) + local opts, conf_file, id, pci, mac, sock_path, mirror_id = parse_args(args) local conf = {} local lwconf = {} @@ -137,15 +140,12 @@ function run(args) id = id, mtu = mtu, vlan = vlan, + mirror_id = mirror_id, discard_threshold = discard_threshold, discard_wait = discard_wait, - discard_check_timer = discard_check_timer + discard_check_timer = discard_check_timer, } - if dir_exists(("/sys/devices/virtual/net/%s"):format(id)) then - conf.interface.mirror_id = id - end - local c = config.new() setup.lwaftr_app(c, conf, lwconf, sock_path) engine.configure(c) From 379b33d505c953d66c6ee3a9a6ac95dcd58a7e66 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 19 Aug 2016 14:06:12 +0000 Subject: [PATCH 185/340] Store lwAFTR ID in shared memory --- src/program/snabbvmx/lwaftr/lwaftr.lua | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index bd18dde4f9..4d6921d7a1 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -1,9 +1,11 @@ module(..., package.seeall) -local S = require("syscall") +local S = require("syscall") local config = require("core.config") -local lib = require("core.lib") -local setup = require("program.snabbvmx.lwaftr.setup") +local lib = require("core.lib") +local lwtypes = require("apps.lwaftr.lwtypes") +local setup = require("program.snabbvmx.lwaftr.setup") +local shm = require("core.shm") local function show_usage (exit_code) print(require("program.snabbvmx.lwaftr.README_inc")) @@ -132,6 +134,11 @@ function run(args) mtu = lwconf.ipv4_mtu end + if id then + local lwaftr_id = shm.create("nic/id", lwtypes.lwaftr_id_type) + lwaftr_id.value = id + end + local vlan = conf.settings.vlan conf.interface = { From 5ee7afb288b47fda935ec8cd9b18f3d00042c02e Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 22 Aug 2016 09:48:18 +0000 Subject: [PATCH 186/340] Default MTU value 9500 in snabbvmx --- src/program/snabbvmx/lwaftr/lwaftr.lua | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index 4d6921d7a1..a6adb72053 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -129,11 +129,6 @@ function run(args) set_ring_buffer_size(ring_buffer_size) - local mtu = lwconf.ipv6_mtu - if mtu < lwconf.ipv4_mtu then - mtu = lwconf.ipv4_mtu - end - if id then local lwaftr_id = shm.create("nic/id", lwtypes.lwaftr_id_type) lwaftr_id.value = id @@ -145,7 +140,7 @@ function run(args) mac_address = mac, pci = pci, id = id, - mtu = mtu, + mtu = 9500, vlan = vlan, mirror_id = mirror_id, discard_threshold = discard_threshold, From 4d86ace69e81887d1eed2312491ca9fa01c4eb90 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 31 Aug 2016 15:26:13 +0000 Subject: [PATCH 187/340] Create lwAFTR counters in apps/lwaftr/counters --- src/apps/lwaftr/lwcounter.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/apps/lwaftr/lwcounter.lua b/src/apps/lwaftr/lwcounter.lua index 61dcb48c23..3642eb2649 100644 --- a/src/apps/lwaftr/lwcounter.lua +++ b/src/apps/lwaftr/lwcounter.lua @@ -12,7 +12,7 @@ local shm = require("core.shm") -- - reason: reasons for dropping; -- - protocol+version: "icmpv4", "icmpv6", "ipv4", "ipv6"; -- - size: "bytes", "packets". -counters_dir = "app/lwaftr/counters/" +counters_dir = "apps/lwaftr/" -- Referenced by program/check/check.lua counter_names = { From 236cffe5b456b8aafd6b6fb0bf59de7f3ad467a8 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 1 Sep 2016 14:41:14 +0000 Subject: [PATCH 188/340] Add documentation for SnabbVMX and fix code issues --- src/program/snabbvmx/.images/snabbvmx.png | Bin 0 -> 21003 bytes src/program/snabbvmx/README.md | 107 ++++++++++++++++++++++ src/program/snabbvmx/lwaftr/lwaftr.lua | 5 +- src/program/snabbvmx/lwaftr/setup.lua | 3 +- 4 files changed, 113 insertions(+), 2 deletions(-) create mode 100644 src/program/snabbvmx/.images/snabbvmx.png create mode 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zbFF)QHK8y0If@`#J7lKN=;}tZmwfE-a&1 z{i=?d8u{%`&nv+o5|KG6DUq{XMwt3(!vNFHopU_`(^)XEQ%mY;_T6*Z!lAzEZ4t$w z+82`p+dMz&m0NCG`I6gA!$cbg<{6iVJbv*5oO)|PMiYN#ZpCd1TPnety&5ZCh0pmF2|V> z&cklD3~YVTr@5scp4}J2Wda@!2Xyjnw9IZO1z|0w)}kTUZ8M0-fm09|n2K9(i_V zeIAvn_m5}yUOO-F26YY+(R<ms`fAMYZJId{g_sjwsH;})( abCOj$yNiudxyqjWPX$?JnI!2;_x=Z<4-l3B literal 0 HcmV?d00001 diff --git a/src/program/snabbvmx/README.md b/src/program/snabbvmx/README.md new file mode 100644 index 0000000000..94cd1550b0 --- /dev/null +++ b/src/program/snabbvmx/README.md @@ -0,0 +1,107 @@ +### SnabbVMX + +SnabbVMX is a network design that combines Snabb's lwAFTR app and a VM managed by Snabb. + +Snabb's lwAFTR app, in addition to managing lw4o6 traffic (IPv4 and IPv6 packets), +it also manages non-lwAFTR traffic such as pings to lwAFTR interfaces, ARP and +NDP resolution. This traffic is managed by addition applications connected to +the lwAFTR network design in program/lwaftr/run.lua. Management of this type +of traffic is a requiremennt in RFC 7596. + +SnabbVMX uses a different approach. It setups a network design where only lw4o6 +packets are managed by the lwAFTR app, while everything else is forwarded to a VM +which is in charge of providing ping, ARP and NDP resolution. + +#### App network + +SnabbVMX's app network: + +![SnabbVMX](.images/snabbvmx.png) + +SnabbVMX works in one single 10Gb NIC. Incoming traffic gets to an Intel82599 app +managed by Snabb. + +App V4V6 splits traffic between IPv4 or IPv6 and forwards it to the correspondent +Reassembler app. Let's take IPv4 traffic flow as example. ReassemblerV4 forwards +packets to a Next Hop Forwarder app. This app decides whether to forward traffic +to the lwAFTR app or to the VM, based on unicast/broadcast destination MAC, +matching local IPv4 destination or IPv4-in-IPv6. + +App VhostUser communicates with a VM run by QEMU using the VhostUser network +backend available in QEMU. Communication between both processes happens via a +socket. + +App V4V6, in combination with a Tap app, allows monitoring of packets coming +in and out of the physical port based on a matching IPv4 address, either as +source, destination or within an IPv4-in-IPv6 packet. + +#### How to run SnabbVMX + +``` + $ sudo ./snabb snabbvmx lwaftr --id SnabbVMX1 \ + --conf snabbvmx-lwaftr.cfg \ + --pci 81:00.0 \ + --mac 02:AA:AA:AA:AA:AA \ + --sock /tmp/vhuser.sock +``` + +#### Configuration file + +`snabbvmx-lwaftr.cfg` + +``` +return { + lwaftr = "snabbvmx-lwaftr.conf", + ipv6_interface = { + ipv6_address = "fc00::100", + mtu = 9500, + }, + ipv4_interface = { + ipv4_address = "10.0.1.1", + mtu = 1460, + }, + settings = { + vlan = false, + }, +} +``` + +lwaftr points to Snabb's lwAFTR configuration file. + +Othe attributes are further refined by SnabbVMX. Attributes `ipv6_interface` +and `ipv4_interface` are mandatory and they should include the IP addresses +of the correspondent lwAFTR IPv4 and IPv6 interfaces. + +Attribute `settings` may include a `vlan` tag attribute, which can be either +false in case VLAN tagging is not enabled or a VLAN tag number (0-4095). + +Reassembly and fragmentation are deactivated by default in SnabbVMX. In case +they are needed, set `ipv6_interface.fragmentation = true`. + +Interfaces also allow setting of IPv4 and IPv6 ingress/egree filters. The +filters are expessed as a packet-filtering expression (like tcpdump) or point +to a file containing a pf expression. + +#### Components overview + +List of apps used in SnabbVMX network design: + +* **V4V6** (`apps/lwaftr/V4V6.lua`): Categorizes traffic as IPv4 and IPv6 and +forwards it to the correspondent link. +* **Tap** (`apps/tap/tap.lua`): Used to monitor traffic in V4V6 via a Tap interface. +Matching IPv4 address is controlled by "lwaftr snabbvmx monitor". +* **ReassemblerV6**/**FragmenterV6** (`apps/lwaftr/ipv6_apps.lua`): IPv6 reassembler and +fragmenter apps. +* **ReassemblerV4**/**FragmenterV4** (`apps/lwaftr/ipv4_apps.lua`): IPv6 reassembler and +fragmenter apps. +* **Next-hop Forwarder** (`apps/nh_fwd/nh_fwd.lua`): It contains to forwarding apps: +nh_fwd6 and nh_fwd4. The apps forwards incoming traffic to a service, in this +case to a lwAFTR app, and to a VM. Routing decisions are based on next-hop +MAC address learned from the VM and by IP destination address of incoming +packets. +* **lwAFTR** (`apps/lwaftr/lwaftr.lua`): Implements a lwAFTR component as specified +in RFC7569. +* **VhostUser** (`apps/vhost/vhost_user.lua`): A driver complying Virtio which allows +a program in user space, in this case Snabb, to act as an hypervisor of the +networking side of a guest. Similarly, the guest side has to be managed by a +VhostUser network backend (already built-in in QEMU). diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index a6adb72053..1ac41f9dbf 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -7,11 +7,14 @@ local lwtypes = require("apps.lwaftr.lwtypes") local setup = require("program.snabbvmx.lwaftr.setup") local shm = require("core.shm") +local DEFAULT_MTU = 9500 + local function show_usage (exit_code) print(require("program.snabbvmx.lwaftr.README_inc")) main.exit(exit_code) end +-- TODO: Duplicated in other source files. Move to a common place. local function fatal (msg) print(msg) main.exit(1) @@ -140,7 +143,7 @@ function run(args) mac_address = mac, pci = pci, id = id, - mtu = 9500, + mtu = DEFAULT_MTU, vlan = vlan, mirror_id = mirror_id, discard_threshold = discard_threshold, diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index d6cce4f29b..7765e55063 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -18,12 +18,13 @@ local tap = require("apps.tap.tap") local yesno = lib.yesno --- TODO redundant function dir_exists also in lwaftr.lua +-- TODO: Duplicated in other source files. Move to a common place. local function dir_exists (path) local stat = S.stat(path) return stat and stat.isdir end +-- TODO: Duplicated in other source files. Move to a common place. local function nic_exists (pci_addr) local devices="/sys/bus/pci/devices" return dir_exists(("%s/%s"):format(devices, pci_addr)) or From de87bce7f9a507cf34165f3894420f00c36ef7d2 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 1 Sep 2016 15:45:30 +0000 Subject: [PATCH 189/340] Fix fetch lwAFTR instance by name --- src/program/lwaftr/query/query.lua | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/program/lwaftr/query/query.lua b/src/program/lwaftr/query/query.lua index 3e15365669..b4fa96eb61 100644 --- a/src/program/lwaftr/query/query.lua +++ b/src/program/lwaftr/query/query.lua @@ -34,8 +34,9 @@ local function pidof(maybe_pid) if tonumber(maybe_pid) then return maybe_pid end local name_id = maybe_pid for _, pid in ipairs(shm.children("/")) do - if shm.exists(pid.."/nic/id") then - local lwaftr_id = shm.open("/"..pid.."/nic/id", lwtypes.lwaftr_id_type) + local path = "/"..pid.."/nic/id" + if shm.exists(path) then + local lwaftr_id = shm.open(path, lwtypes.lwaftr_id_type) if ffi.string(lwaftr_id.value) == name_id then return pid end From 3c3c41b3c4dae15f4cd6cb119a3f25b95256ed79 Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Sat, 27 Aug 2016 17:37:43 +0200 Subject: [PATCH 190/340] check and use linux interface via rawSocket --- src/program/snabbvmx/lwaftr/README | 6 +++--- src/program/snabbvmx/lwaftr/setup.lua | 13 +++++++++++++ 2 files changed, 16 insertions(+), 3 deletions(-) diff --git a/src/program/snabbvmx/lwaftr/README b/src/program/snabbvmx/lwaftr/README index b7ca135d96..6d9755a1dd 100644 --- a/src/program/snabbvmx/lwaftr/README +++ b/src/program/snabbvmx/lwaftr/README @@ -7,7 +7,7 @@ Arguments: --conf configuration file for lwaftr service --id port_id for virtio socket - --pci PCI device number for NIC + --pci PCI device number for NIC (or Linux interface name) --mac Ethernet address of virtio interface --sock Socket path for virtio-user interfaces @@ -18,9 +18,9 @@ Optional: Example config file: -# cat snabbvmx-lwaftr-em3-em4.cfg +# cat snabbvmx-lwaftr-xe0.cfg return { - lwaftr = "snabbvmx-lwaftr-em3-em4.conf", + lwaftr = "snabbvmx-lwaftr-xe0.conf", ipv6_interface = { ipv6_address = "fc00::100", mtu = 9500, diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index 7765e55063..c1df048860 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -15,6 +15,7 @@ local lwcounter = require("apps.lwaftr.lwcounter") local nh_fwd = require("apps.nh_fwd.nh_fwd") local pci = require("lib.hardware.pci") local tap = require("apps.tap.tap") +local raw = require("apps.socket.raw") local yesno = lib.yesno @@ -31,6 +32,11 @@ local function nic_exists (pci_addr) dir_exists(("%s/0000:%s"):format(devices, pci_addr)) end +local function net_exists (pci_addr) + local devices="/sys/class/net" + return dir_exists(("%s/%s"):format(devices, pci_addr)) +end + local function fatal (msg) print(msg) main.exit(1) @@ -58,6 +64,13 @@ local function load_phy (c, nic_id, interface) }, macaddr = interface.mac_address, mtu = interface.mtu }) chain_input, chain_output = nic_id .. ".rx", nic_id .. ".tx" + elseif net_exists(interface.pci) then + print(("%s network interface %s"):format(nic_id, interface.pci)) + if vlan then + print(("WARNING: VLAN not supported over %s. %s vlan %d"):format(interface.pci, nic_id, vlan)) + end + config.app(c, nic_id, raw.RawSocket, interface.pci) + chain_input, chain_output = nic_id .. ".rx", nic_id .. ".tx" else print(("Couldn't find device info for PCI address '%s'"):format(interface.pci)) if not interface.mirror_id then From 96aeaeec9f7c9ae4bea5e788c3e9f423043fe36b Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Mon, 29 Aug 2016 07:22:04 +0200 Subject: [PATCH 191/340] add snabbvmx query (to xml) --- src/program/snabbvmx/query/README | 11 ++ src/program/snabbvmx/query/README.inc | 1 + src/program/snabbvmx/query/query.lua | 154 ++++++++++++++++++++++++++ 3 files changed, 166 insertions(+) create mode 100644 src/program/snabbvmx/query/README create mode 120000 src/program/snabbvmx/query/README.inc create mode 100644 src/program/snabbvmx/query/query.lua diff --git a/src/program/snabbvmx/query/README b/src/program/snabbvmx/query/README new file mode 100644 index 0000000000..8a4a074ee0 --- /dev/null +++ b/src/program/snabbvmx/query/README @@ -0,0 +1,11 @@ +Usage: + query [OPTIONS] + +Options: + + -h, --help Print usage information. + +Display current statistics from snabbvmx for all running Snabb instances in xml format + + +It needs root privileges. diff --git a/src/program/snabbvmx/query/README.inc b/src/program/snabbvmx/query/README.inc new file mode 120000 index 0000000000..100b93820a --- /dev/null +++ b/src/program/snabbvmx/query/README.inc @@ -0,0 +1 @@ +README \ No newline at end of file diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua new file mode 100644 index 0000000000..e4576dd864 --- /dev/null +++ b/src/program/snabbvmx/query/query.lua @@ -0,0 +1,154 @@ +module(..., package.seeall) + +local S = require("syscall") +local counter = require("core.counter") +local ffi = require("ffi") +local lib = require("core.lib") +local ipv4 = require("lib.protocol.ipv4") +local ethernet = require("lib.protocol.ethernet") +local lwaftr = require("apps.lwaftr.lwaftr") +local lwtypes = require("apps.lwaftr.lwtypes") +local lwutil = require("apps.lwaftr.lwutil") +local shm = require("core.shm") +local top = require("program.top.top") + +local select_snabb_instance = top.select_snabb_instance +local keys = lwutil.keys + +local macaddress_t = ffi.typeof[[ +struct { uint8_t ether[6]; } +]] + +-- Get the counter dir from the code. +local lwaftr_counters_rel_dir = lwaftr.counters_dir + +function show_usage (code) + print(require("program.lwaftr.query.README_inc")) + main.exit(code) +end + +local function sort (t) + table.sort(t) + return t +end + +local function is_counter_name (name) + return lwaftr.counter_names[name] ~= nil +end + + +function parse_args (raw_args) + local handlers = {} + function handlers.h() show_usage(0) end + local args = lib.dogetopt(raw_args, handlers, "h", + { help="h" }) + if #args > 0 then show_usage(1) end + return nil +end + +local function read_lwaftr_counters (tree) + local ret = {} + local cnt, cnt_path, value + local counters_path = "/" .. tree .. "/" .. lwaftr_counters_rel_dir + local counters = shm.children(counters_path) + for _, name in ipairs(counters) do + cnt_path = counters_path .. name + cnt = counter.open(cnt_path, 'readonly') + value = tonumber(counter.read(cnt)) + name = name:gsub(".counter$", "") + ret[name] = value + end + return ret +end + +local function read_apps_counters (tree, app_name) + local ret = {} + local cnt, cnt_path, value + local counters_path = "/" .. tree .. "/apps/" .. app_name .. "/" + local counters = shm.children(counters_path) + for _, name in ipairs(counters) do + cnt_path = counters_path .. name + cnt = counter.open(cnt_path, 'readonly') + value = tonumber(counter.read(cnt)) + name = name:gsub(".counter$", "") + ret[name] = value + end + return ret +end + +local function print_counter (name, value) + print((" <%s>%d"):format(name, value, name)) +end + +function print_lwaftr_counters (tree) + -- Open, read and print whatever counters are in that directory. + local counters = read_lwaftr_counters(tree) + for _, name in ipairs(sort(keys(counters))) do + local value = counters[name] + print_counter(name, value) + end +end + +-- TODO: Refactor to a general common purpose library. +local function file_exists(path) + local stat = S.stat(path) + return stat and stat.isreg +end + +function print_next_hop (pid, name) + local next_hop_mac = "/" .. pid .. "/" .. name + if file_exists(shm.root .. next_hop_mac) then + local nh = shm.open(next_hop_mac, macaddress_t, "readonly") + print((" <%s>%s"):format(name, ethernet:ntop(nh.ether), name)) + end +end + +function print_monitor (pid) + local path = "/" .. pid .. "/v4v6_mirror" + if file_exists(shm.root .. path) then + local ipv4_address = shm.open(path, "struct { uint32_t ipv4; }", "readonly") + print((" <%s>%s"):format("monitor", ipv4:ntop(ipv4_address), "monitor")) + end +end + +function print_apps_counters (tree) + local apps_path = "/" .. tree .. "/apps" + local apps = shm.children(apps_path) + for _, app_name in ipairs(apps) do + print((" <%s>"):format(app_name)) + -- Open, read and print whatever counters are in that directory. + local counters = read_apps_counters(tree, app_name) + for _, name in ipairs(sort(keys(counters))) do + local value = counters[name] + print_counter(name, value) + end + print((" "):format(app_name)) + end +end + +function run (raw_args) + parse_args(raw_args) + print("") + for _, pid in ipairs(shm.children("/")) do + if shm.exists("/"..pid.."/nic/id") then + local lwaftr_id = shm.open("/"..pid.."/nic/id", lwtypes.lwaftr_id_type) + local instance_id = ffi.string(lwaftr_id.value) + if instance_id then + print(" ") + print((" %s"):format(instance_id)) + print((" %s"):format(ffi.string(lwaftr_id.value))) + print((" %d"):format(pid)) + print_next_hop(pid, "next_hop_mac_v4") + print_next_hop(pid, "next_hop_mac_v6") + print_monitor(pid) + print_apps_counters(pid) + print(" ") + local instance_tree = select_snabb_instance(pid) + print_lwaftr_counters(instance_tree) + print(" ") + print(" ") + end + end + end + print("") +end From de05632c35c54ecc125978e9b6c4051e301f22ce Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Mon, 29 Aug 2016 07:43:23 +0200 Subject: [PATCH 192/340] snabbvmx query to xml --- src/program/snabbvmx/query/query.lua | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua index e4576dd864..9a89839cd6 100644 --- a/src/program/snabbvmx/query/query.lua +++ b/src/program/snabbvmx/query/query.lua @@ -135,8 +135,7 @@ function run (raw_args) local instance_id = ffi.string(lwaftr_id.value) if instance_id then print(" ") - print((" %s"):format(instance_id)) - print((" %s"):format(ffi.string(lwaftr_id.value))) + print((" %s"):format(instance_id)) print((" %d"):format(pid)) print_next_hop(pid, "next_hop_mac_v4") print_next_hop(pid, "next_hop_mac_v6") From aea673f5c69ecc383631af5ecc04c6d0d5806fcd Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Fri, 2 Sep 2016 06:35:31 +0200 Subject: [PATCH 193/340] fixed path to counters_dir in lwcounter --- src/program/snabbvmx/query/query.lua | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua index 9a89839cd6..2a0c09e715 100644 --- a/src/program/snabbvmx/query/query.lua +++ b/src/program/snabbvmx/query/query.lua @@ -9,6 +9,7 @@ local ethernet = require("lib.protocol.ethernet") local lwaftr = require("apps.lwaftr.lwaftr") local lwtypes = require("apps.lwaftr.lwtypes") local lwutil = require("apps.lwaftr.lwutil") +local lwcounter = require("apps.lwaftr.lwcounter") local shm = require("core.shm") local top = require("program.top.top") @@ -20,7 +21,7 @@ struct { uint8_t ether[6]; } ]] -- Get the counter dir from the code. -local lwaftr_counters_rel_dir = lwaftr.counters_dir +local lwaftr_counters_rel_dir = lwcounter.counters_dir function show_usage (code) print(require("program.lwaftr.query.README_inc")) From a3d0dc422fd54b2ee2517775e73c97ae5aadd432 Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Fri, 2 Sep 2016 09:58:59 +0200 Subject: [PATCH 194/340] no more special treatment for lwaftr app required --- src/program/snabbvmx/query/query.lua | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua index 2a0c09e715..0fdefbbd8a 100644 --- a/src/program/snabbvmx/query/query.lua +++ b/src/program/snabbvmx/query/query.lua @@ -81,15 +81,6 @@ local function print_counter (name, value) print((" <%s>%d"):format(name, value, name)) end -function print_lwaftr_counters (tree) - -- Open, read and print whatever counters are in that directory. - local counters = read_lwaftr_counters(tree) - for _, name in ipairs(sort(keys(counters))) do - local value = counters[name] - print_counter(name, value) - end -end - -- TODO: Refactor to a general common purpose library. local function file_exists(path) local stat = S.stat(path) @@ -142,10 +133,6 @@ function run (raw_args) print_next_hop(pid, "next_hop_mac_v6") print_monitor(pid) print_apps_counters(pid) - print(" ") - local instance_tree = select_snabb_instance(pid) - print_lwaftr_counters(instance_tree) - print(" ") print(" ") end end From a6cd1ecac9effc79f5c4a590b5c6fad12510bf59 Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Fri, 2 Sep 2016 10:53:32 +0200 Subject: [PATCH 195/340] remove unused function read_lwaftr_counters --- src/program/snabbvmx/query/query.lua | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua index 0fdefbbd8a..2edaa25639 100644 --- a/src/program/snabbvmx/query/query.lua +++ b/src/program/snabbvmx/query/query.lua @@ -47,21 +47,6 @@ function parse_args (raw_args) return nil end -local function read_lwaftr_counters (tree) - local ret = {} - local cnt, cnt_path, value - local counters_path = "/" .. tree .. "/" .. lwaftr_counters_rel_dir - local counters = shm.children(counters_path) - for _, name in ipairs(counters) do - cnt_path = counters_path .. name - cnt = counter.open(cnt_path, 'readonly') - value = tonumber(counter.read(cnt)) - name = name:gsub(".counter$", "") - ret[name] = value - end - return ret -end - local function read_apps_counters (tree, app_name) local ret = {} local cnt, cnt_path, value From 8a4d9d60a62d86ef5902e60e798967b75ddb16fc Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Fri, 2 Sep 2016 10:55:39 +0200 Subject: [PATCH 196/340] remove reference to unused lwcounter --- src/program/snabbvmx/query/query.lua | 4 ---- 1 file changed, 4 deletions(-) diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua index 2edaa25639..0eac403285 100644 --- a/src/program/snabbvmx/query/query.lua +++ b/src/program/snabbvmx/query/query.lua @@ -9,7 +9,6 @@ local ethernet = require("lib.protocol.ethernet") local lwaftr = require("apps.lwaftr.lwaftr") local lwtypes = require("apps.lwaftr.lwtypes") local lwutil = require("apps.lwaftr.lwutil") -local lwcounter = require("apps.lwaftr.lwcounter") local shm = require("core.shm") local top = require("program.top.top") @@ -20,9 +19,6 @@ local macaddress_t = ffi.typeof[[ struct { uint8_t ether[6]; } ]] --- Get the counter dir from the code. -local lwaftr_counters_rel_dir = lwcounter.counters_dir - function show_usage (code) print(require("program.lwaftr.query.README_inc")) main.exit(code) From d26fa9ef9171ead01ba47de2bb2322669f0d8256 Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Fri, 2 Sep 2016 11:30:03 +0200 Subject: [PATCH 197/340] remove unused variables --- src/program/snabbvmx/query/query.lua | 6 ------ 1 file changed, 6 deletions(-) diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua index 0eac403285..b66464d1be 100644 --- a/src/program/snabbvmx/query/query.lua +++ b/src/program/snabbvmx/query/query.lua @@ -12,7 +12,6 @@ local lwutil = require("apps.lwaftr.lwutil") local shm = require("core.shm") local top = require("program.top.top") -local select_snabb_instance = top.select_snabb_instance local keys = lwutil.keys local macaddress_t = ffi.typeof[[ @@ -29,11 +28,6 @@ local function sort (t) return t end -local function is_counter_name (name) - return lwaftr.counter_names[name] ~= nil -end - - function parse_args (raw_args) local handlers = {} function handlers.h() show_usage(0) end From 592f0cc24d0213bfa4cdf15822e5d44d2d1df56f Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Sun, 4 Sep 2016 12:27:57 +0200 Subject: [PATCH 198/340] fix ipv4 checksum in cache refresh packet --- src/apps/nh_fwd/nh_fwd.lua | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/src/apps/nh_fwd/nh_fwd.lua b/src/apps/nh_fwd/nh_fwd.lua index aaf9501df3..0c4528c329 100644 --- a/src/apps/nh_fwd/nh_fwd.lua +++ b/src/apps/nh_fwd/nh_fwd.lua @@ -16,7 +16,7 @@ local C = ffi.C local transmit, receive = link.transmit, link.receive local htons = lib.htons -local rd16, rd32 = lwutil.rd16, lwutil.rd32 +local rd16, rd32, wr16 = lwutil.rd16, lwutil.rd32, lwutil.wr16 local ipv6_equals = lwutil.ipv6_equals nh_fwd4 = {} @@ -34,7 +34,8 @@ local o_ipv4_src_addr = constants.o_ipv4_src_addr local o_ipv6_next_header = constants.o_ipv6_next_header local o_ipv6_src_addr = constants.o_ipv6_src_addr -local n_cache_src_ipv4 = ipv4:pton("0.0.0.0") +local n_cache_src_ipv4 = ipv4:pton("169.254.254.254") +local val_cache_src_ipv4 = rd32(n_cache_src_ipv4) local n_cache_src_ipv6 = ipv6:pton("fe80::") local n_next_hop_mac_empty = ethernet:pton("00:00:00:00:00:00") @@ -111,8 +112,8 @@ local function send_ipv4_cache_trigger(r, pkt, mac) copy_ipv4(ipv4_src_ip, n_cache_src_ipv4) -- Clear checksum to recalculate it with new source IPv4 address. - ipv4_checksum = 0 - ipv4_checksum = htons(ipsum(pkt.data + n_ether_hdr_size, n_ipv4_hdr_size, 0)) + wr16(ipv4_checksum, 0) + wr16(ipv4_checksum, htons(ipsum(pkt.data + n_ether_hdr_size, n_ipv4_hdr_size, 0))) transmit(r, pkt) end @@ -179,15 +180,16 @@ function nh_fwd4:push () local pkt = receive(input_vm) local ether_dhost = get_ether_dhost_ptr(pkt) local ipv4_hdr = get_ethernet_payload(pkt) - + if service_mac and ether_equals(ether_dhost, service_mac) then transmit(output_service, pkt) elseif self.cache_refresh_interval > 0 and - get_ipv4_src_address(ipv4_hdr) == n_cache_src_ipv4 then + get_ipv4_src_address(ipv4_hdr) == val_cache_src_ipv4 then -- Our magic cache next-hop resolution packet. Never send this out. + copy_ether(self.next_hop_mac, ether_dhost) if self.debug then - print(("nh_fwd4: learning next-hop '%s'"):format(ethernet:ntop(self.next_hop_mac))) + print(("nh_fwd4: learning next-hop '%s'"):format(ethernet:ntop(ether_dhost))) end packet.free(pkt) else From 0af0f686269d68264fd0bd2f252446a658101b72 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 5 Sep 2016 19:48:12 +0000 Subject: [PATCH 199/340] Add support of VLAN tagging in on-a-stick mode On-a-stick mode uses V4V6 splitter by default. But when VLAN tagging is enabled and V4 VLAN tag and V6 VLAN tag are different, the splitter is not required and instead a Virtual NIC with VLAN untagging/tagging support is used. --- src/program/lwaftr/run/run.lua | 17 ++++++++--- src/program/lwaftr/setup.lua | 56 ++++++++++++++++++++++------------ 2 files changed, 48 insertions(+), 25 deletions(-) diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index 0e61f999b2..062c3b238f 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -141,18 +141,25 @@ function parse_args(args) end end +-- Requires a V4V6 splitter iff: +-- Always when running in on-a-stick mode, except if v4_vlan_tag != v6_vlan_tag. +local function requires_splitter (opts, conf) + if not opts["on-a-stick"] then return false end + if not conf.vlan_tagging then return true end + return conf.v4_vlan_tag == conf.v6_vlan_tag +end + function run(args) local opts, conf_file, v4, v6 = parse_args(args) local conf = require('apps.lwaftr.conf').load_lwaftr_config(conf_file) + local use_splitter = requires_splitter(opts, conf) local c = config.new() if opts.virtio_net then setup.load_virt(c, conf, 'inetNic', v4, 'b4sideNic', v6) elseif opts["on-a-stick"] then - setup.load_on_a_stick(c, conf, 'v4v6', { - mirror = opts.mirror, - pciaddr = v4, - }) + setup.load_on_a_stick(c, conf, 'inetNic', 'b4sideNic', + use_splitter and 'v4v6', v4, opts.mirror) else setup.load_phy(c, conf, 'inetNic', v4, 'b4sideNic', v6) end @@ -166,7 +173,7 @@ function run(args) if opts.verbosity >= 1 then local csv = csv_stats.CSVStatsTimer.new() - if opts["on-a-stick"] then + if use_splitter then csv:add_app('v4v6', { 'v4', 'v4' }, { tx='IPv4 RX', rx='IPv4 TX' }) csv:add_app('v4v6', { 'v6', 'v6' }, { tx='IPv6 RX', rx='IPv6 TX' }) else diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index c8bf226c0c..adb8c1546a 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -143,29 +143,45 @@ function load_phy(c, conf, v4_nic_name, v4_nic_pci, v6_nic_name, v6_nic_pci) link_sink(c, v4_nic_name..'.rx', v6_nic_name..'.rx') end -function load_on_a_stick(c, conf, v4v6, args) - local Tap = require("apps.tap.tap").Tap +function load_on_a_stick(c, conf, v4_nic_name, v6_nic_name, v4v6, pciaddr, mirror) lwaftr_app(c, conf) - config.app(c, 'nic', Intel82599, { - pciaddr = args.pciaddr, - }) - if args.mirror then - local ifname = args.mirror - config.app(c, 'tap', Tap, ifname) - config.app(c, v4v6, V4V6, { - mirror = true - }) - else - config.app(c, v4v6, V4V6) - end + if v4v6 then + config.app(c, 'nic', Intel82599, { + pciaddr = pciaddr, + vmdq = conf.vlan_tagging, + vlan = conf.vlan_tagging and conf.v4_vlan_tag, + macaddr = ethernet:ntop(conf.aftr_mac_inet_side)}) + if mirror then + local Tap = require("apps.tap.tap").Tap + local ifname = mirror + config.app(c, 'tap', Tap, ifname) + config.app(c, v4v6, V4V6, { + mirror = true + }) + config.link(c, v4v6..'.mirror -> tap.input') + else + config.app(c, v4v6, V4V6) + end + config.link(c, 'nic.tx -> '..v4v6..'.input') + config.link(c, v4v6..'.output -> nic.rx') - config.link(c, 'nic.tx -> '..v4v6..'.input') - link_source(c, v4v6..'.v4', v4v6..'.v6') - link_sink(c, v4v6..'.v4', v4v6..'.v6') - config.link(c, v4v6..'.output -> nic.rx') - if args.mirror then - config.link(c, v4v6..'.mirror -> tap.input') + link_source(c, v4v6..'.v4', v4v6..'.v6') + link_sink(c, v4v6..'.v4', v4v6..'.v6') + else + config.app(c, v4_nic_name, Intel82599, { + pciaddr = pciaddr, + vmdq = conf.vlan_tagging, + vlan = conf.vlan_tagging and conf.v4_vlan_tag, + macaddr = ethernet:ntop(conf.aftr_mac_inet_side)}) + config.app(c, v6_nic_name, Intel82599, { + pciaddr = pciaddr, + vmdq = conf.vlan_tagging, + vlan = conf.vlan_tagging and conf.v6_vlan_tag, + macaddr = ethernet:ntop(conf.aftr_mac_b4_side)}) + + link_source(c, v4_nic_name..'.tx', v6_nic_name..'.tx') + link_sink(c, v4_nic_name..'.rx', v6_nic_name..'.rx') end end From f984b76d5c8369e91edaf13ba4d36e2acff1a764 Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Tue, 6 Sep 2016 06:54:44 +0200 Subject: [PATCH 200/340] increment only after all packet sizes are sent --- src/apps/test/lwaftr.lua | 46 +++++++++++++++++++--------------------- 1 file changed, 22 insertions(+), 24 deletions(-) diff --git a/src/apps/test/lwaftr.lua b/src/apps/test/lwaftr.lua index aec09f6f22..fceb2d93ef 100644 --- a/src/apps/test/lwaftr.lua +++ b/src/apps/test/lwaftr.lua @@ -380,30 +380,28 @@ function Lwaftrgen:push () transmit(output, ipv6_pkt) end - self.current_count = self.current_count + 1 - self.current_port = self.current_port + self.b4_port - - self.b4_ipv6 = inc_ipv6(self.b4_ipv6) - - if self.current_port > 65535 then - self.current_port = self.b4_port - self.b4_ipv4_offset = self.b4_ipv4_offset + 1 + end + + self.b4_ipv6 = inc_ipv6(self.b4_ipv6) + self.current_port = self.current_port + self.b4_port + if self.current_port > 65535 then + self.current_port = self.b4_port + self.b4_ipv4_offset = self.b4_ipv4_offset + 1 + end + + self.current_count = self.current_count + 1 + if self.current_count >= self.count then + if self.single_pass then + print(string.format("generated %d packets", self.current_count)) + -- make sure we won't generate more packets in the same breath, then exit + self.current = 0 + self.bucket_content = 0 end - - if self.current_count >= self.count * self.total_packet_count then - if self.single_pass then - print(string.format("generated %d packets", self.current_count)) - -- make sure we won't generate more packets in the same breath, then exit - self.current = 0 - self.bucket_content = 0 - end - self.current_count = 0 - self.current_port = self.b4_port - self.b4_ipv4_offset = 0 - copy(self.b4_ipv6, self.ipv6_address, 16) - end - - end - end + self.current_count = 0 + self.current_port = self.b4_port + self.b4_ipv4_offset = 0 + copy(self.b4_ipv6, self.ipv6_address, 16) + end + end end From 41f300ff7268bd437227e9a14164ddef8a1f5fc6 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 6 Sep 2016 10:03:23 +0000 Subject: [PATCH 201/340] Pass load_on_a_stick arguments as hash --- src/program/lwaftr/run/run.lua | 7 +++++-- src/program/lwaftr/setup.lua | 4 +++- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/src/program/lwaftr/run/run.lua b/src/program/lwaftr/run/run.lua index 062c3b238f..43cc0bc307 100644 --- a/src/program/lwaftr/run/run.lua +++ b/src/program/lwaftr/run/run.lua @@ -158,8 +158,11 @@ function run(args) if opts.virtio_net then setup.load_virt(c, conf, 'inetNic', v4, 'b4sideNic', v6) elseif opts["on-a-stick"] then - setup.load_on_a_stick(c, conf, 'inetNic', 'b4sideNic', - use_splitter and 'v4v6', v4, opts.mirror) + setup.load_on_a_stick(c, conf, { v4_nic_name = 'inetNic', + v6_nic_name = 'b4sideNic', + v4v6 = use_splitter and 'v4v6', + pciaddr = v4, + mirror = opts.mirror}) else setup.load_phy(c, conf, 'inetNic', v4, 'b4sideNic', v6) end diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index adb8c1546a..d294210217 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -143,8 +143,10 @@ function load_phy(c, conf, v4_nic_name, v4_nic_pci, v6_nic_name, v6_nic_pci) link_sink(c, v4_nic_name..'.rx', v6_nic_name..'.rx') end -function load_on_a_stick(c, conf, v4_nic_name, v6_nic_name, v4v6, pciaddr, mirror) +function load_on_a_stick(c, conf, args) lwaftr_app(c, conf) + local v4_nic_name, v6_nic_name, v4v6, pciaddr, mirror = args.v4_nic_name, + args.v6_nic_name, args.v4v6, args.pciaddr, args.mirror if v4v6 then config.app(c, 'nic', Intel82599, { From adf5060f4c56171ad012bd9b53e062b61fa3aa03 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 6 Sep 2016 09:15:45 +0200 Subject: [PATCH 202/340] Load two virtual NICs if using two different VLAN tags --- src/program/snabbvmx/lwaftr/setup.lua | 119 +++++++++++++++++++------- 1 file changed, 88 insertions(+), 31 deletions(-) diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index c1df048860..3dfbd6543d 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -7,6 +7,7 @@ local VhostUser = require("apps.vhost.vhost_user").VhostUser local basic_apps = require("apps.basic.basic_apps") local bt = require("apps.lwaftr.binding_table") local config = require("core.config") +local ethernet = require("lib.protocol.ethernet") local ipv4_apps = require("apps.lwaftr.ipv4_apps") local ipv6_apps = require("apps.lwaftr.ipv6_apps") local lib = require("core.lib") @@ -14,8 +15,8 @@ local lwaftr = require("apps.lwaftr.lwaftr") local lwcounter = require("apps.lwaftr.lwcounter") local nh_fwd = require("apps.nh_fwd.nh_fwd") local pci = require("lib.hardware.pci") +local raw = require("apps.socket.raw") local tap = require("apps.tap.tap") -local raw = require("apps.socket.raw") local yesno = lib.yesno @@ -42,27 +43,67 @@ local function fatal (msg) main.exit(1) end +local function load_driver (pciaddr) + local device_info = pci.device_info(pciaddr) + return require(device_info.driver).driver +end + +local function load_virt (c, nic_id, lwconf, interface) + assert(type(interface) == 'table') + assert(nic_exists(interface.pci), "Couldn't find NIC: "..interface.pci) + local driver = assert(load_driver(interface.pci)) + + print("Different VLAN tags: load two virtual interfaces") + print(("%s ether %s"):format(nic_id, interface.mac_address)) + + local qprdc = { + discard_check_timer = interface.discard_check_timer, + discard_wait = interface.discard_wait, + discard_threshold = interface.discard_threshold, + } + + local v4_nic_name, v6_nic_name = nic_id..'_v4', nic_id..'v6' + config.app(c, v4_nic_name, driver, { + pciaddr = interface.pci, + vmdq = lwconf.vlan_tagging, + vlan = lwconf.vlan_tagging and lwconf.v4_vlan_tag, + qprdc = qprdc, + macaddr = ethernet:ntop(lwconf.aftr_mac_inet_side), + mtu = interface.mtu}) + config.app(c, v6_nic_name, driver, { + pciaddr = interface.pci, + vmdq = lwconf.vlan_tagging, + vlan = lwconf.vlan_tagging and lwconf.v6_vlan_tag, + qprdc = qprdc, + macaddr = ethernet:ntop(lwconf.aftr_mac_b4_side), + mtu = interface.mtu}) + + return v4_nic_name, v6_nic_name +end + local function load_phy (c, nic_id, interface) assert(type(interface) == 'table') local vlan = interface.vlan and tonumber(interface.vlan) local chain_input, chain_output if nic_exists(interface.pci) then - local device_info = pci.device_info(interface.pci) + local driver = load_driver(interface.pci) + local vlan = interface.vlan and tonumber(interface.vlan) print(("%s ether %s"):format(nic_id, interface.mac_address)) if vlan then print(("%s vlan %d"):format(nic_id, vlan)) end - local driver = require(device_info.driver).driver - config.app(c, nic_id, driver, { pciaddr = interface.pci, - vmdq = true, - vlan = vlan, - qprdc = { - discard_check_timer = interface.discard_check_timer, - discard_wait = interface.discard_wait, - discard_threshold = interface.discard_threshold, - }, - macaddr = interface.mac_address, mtu = interface.mtu }) + config.app(c, nic_id, driver, { + pciaddr = interface.pci, + vmdq = true, + vlan = vlan, + qprdc = { + discard_check_timer = interface.discard_check_timer, + discard_wait = interface.discard_wait, + discard_threshold = interface.discard_threshold, + }, + macaddr = interface.mac_address, + mtu = interface.mtu}) chain_input, chain_output = nic_id .. ".rx", nic_id .. ".tx" elseif net_exists(interface.pci) then print(("%s network interface %s"):format(nic_id, interface.pci)) @@ -80,12 +121,17 @@ local function load_phy (c, nic_id, interface) config.app(c, nic_id, tap.Tap, interface.mirror_id) print(("Running VM via tap interface '%s'"):format(interface.mirror_id)) interface.mirror_id = nil -- Hack to avoid opening again as mirror port. - chain_input, chain_output = nic_id .. ".input", nic_id .. ".output" print(("SUCCESS %s"):format(chain_input)) + chain_input, chain_output = nic_id .. ".input", nic_id .. ".output" end return chain_input, chain_output end +local function requires_splitter (lwconf) + if not lwconf.vlan_tagging then return true end + return lwconf.v4_vlan_tag == lwconf.v6_vlan_tag +end + function lwaftr_app(c, conf, lwconf, sock_path) assert(type(conf) == 'table') assert(type(lwconf) == 'table') @@ -94,33 +140,44 @@ function lwaftr_app(c, conf, lwconf, sock_path) conf.preloaded_binding_table = bt.load(lwconf.binding_table) end + print(("Hairpinning: %s"):format(yesno(lwconf.hairpinning))) + local counters = lwcounter.init_counters() + local virt_id = "vm_" .. conf.interface.id local phy_id = "nic_" .. conf.interface.id - local chain_input, chain_output = load_phy(c, phy_id, conf.interface) + local chain_input, chain_output local v4_input, v4_output, v6_input, v6_output - print(("Hairpinning: %s"):format(yesno(lwconf.hairpinning))) - local counters = lwcounter.init_counters() + local use_splitter = requires_splitter(lwconf) + if not use_splitter then + local v4, v6 = load_virt(c, phy_id, lwconf, conf.interface) + v4_output, v6_output = v4..".tx", v6..".tx" + v4_input, v6_input = v4..".rx", v6..".rx" + else + chain_input, chain_output = load_phy(c, phy_id, conf.interface) + end if conf.ipv4_interface or conf.ipv6_interface then - local mirror = false - local mirror_id = conf.interface.mirror_id - if mirror_id then - mirror = true - config.app(c, "Mirror", tap.Tap, mirror_id) - config.app(c, "Sink", basic_apps.Sink) - config.link(c, "Mirror.output -> Sink.input") - config.link(c, "nic_v4v6.mirror -> Mirror.input") - print(("Mirror port %s found"):format(mirror_id)) + if use_splitter then + local mirror_id = conf.interface.mirror_id + if mirror_id then + print(("Mirror port %s found"):format(mirror_id)) + config.app(c, "Mirror", tap.Tap, mirror_id) + config.app(c, "Sink", basic_apps.Sink) + config.link(c, "nic_v4v6.mirror -> Mirror.input") + config.link(c, "Mirror.output -> Sink.input") + end + config.app(c, "nic_v4v6", V4V6, { description = "nic_v4v6", + mirror = mirror_id and true or false}) + config.link(c, chain_output .. " -> nic_v4v6.input") + config.link(c, "nic_v4v6.output -> " .. chain_input) + + v4_output, v6_output = "nic_v4v6.v4", "nic_v4v6.v6" + v4_input, v6_input = "nic_v4v6.v4", "nic_v4v6.v6" end - config.app(c, "nic_v4v6", V4V6, { description = "nic_v4v6", - mirror = mirror }) - config.link(c, chain_output .. " -> nic_v4v6.input") - config.link(c, "nic_v4v6.output -> " .. chain_input) - v4_output, v6_output = "nic_v4v6.v4", "nic_v4v6.v6" - v4_input, v6_input = "nic_v4v6.v4", "nic_v4v6.v6" end + assert(v4_input and v6_input and v4_output and v6_output) if conf.ipv6_interface then conf.ipv6_interface.mac_address = conf.interface.mac_address From 6b01e0d387ab264f5d9d654d6f859e3f46f5cc8c Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 2 Sep 2016 16:45:38 +0000 Subject: [PATCH 203/340] Flush ingress-packet-drops to a counter --- src/apps/lwaftr/lwcounter.lua | 3 +++ src/lib/timers/ingress_drop_monitor.lua | 13 +++++++++++++ 2 files changed, 16 insertions(+) diff --git a/src/apps/lwaftr/lwcounter.lua b/src/apps/lwaftr/lwcounter.lua index 3642eb2649..3c9f907d2a 100644 --- a/src/apps/lwaftr/lwcounter.lua +++ b/src/apps/lwaftr/lwcounter.lua @@ -119,6 +119,9 @@ counter_names = { "out-ipv6-frag", "out-ipv6-frag-not", "memuse-ipv6-frag-reassembly-buffer", + +-- Ingress packet drops + "ingress-packet-drops", } function init_counters () diff --git a/src/lib/timers/ingress_drop_monitor.lua b/src/lib/timers/ingress_drop_monitor.lua index d6ea038744..708338d397 100644 --- a/src/lib/timers/ingress_drop_monitor.lua +++ b/src/lib/timers/ingress_drop_monitor.lua @@ -2,7 +2,10 @@ module(...,package.seeall) -- Ingress packet drop monitor timer. +local S = require("syscall") +local counter = require("core.counter") local ffi = require("ffi") +local shm = require("core.shm") -- Every 100 milliseconds. local default_interval = 1e8 @@ -20,6 +23,13 @@ function new(args) last_value = ffi.new('uint64_t[1]'), current_value = ffi.new('uint64_t[1]') } + if args.counter then + if not shm.exists("/"..S.getpid().."/"..args.counter) then + ret.counter = counter.create(args.counter, 0) + else + ret.counter = counter.open(args.counter) + end + end return setmetatable(ret, {__index=IngressDropMonitor}) end @@ -33,6 +43,9 @@ function IngressDropMonitor:sample () sum[0] = sum[0] + app:ingress_packet_drops() end end + if self.counter then + counter.add(self.counter, sum[0]) + end end local tips_url = "https://github.com/Igalia/snabb/blob/lwaftr/src/program/lwaftr/doc/README.performance.md" From b65a3623de203ccc474e5bc2e3fce42b8de8af7e Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 2 Sep 2016 16:46:30 +0000 Subject: [PATCH 204/340] Monitor ingress-packet-drops in SnabbVMX --- src/program/snabbvmx/lwaftr/lwaftr.lua | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index 1ac41f9dbf..4717463dde 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -2,7 +2,9 @@ module(..., package.seeall) local S = require("syscall") local config = require("core.config") +local ingress_drop_monitor = require("lib.timers.ingress_drop_monitor") local lib = require("core.lib") +local lwcounter = require("apps.lwaftr.lwcounter") local lwtypes = require("apps.lwaftr.lwtypes") local setup = require("program.snabbvmx.lwaftr.setup") local shm = require("core.shm") @@ -33,7 +35,7 @@ end function parse_args (args) if #args == 0 then show_usage(1) end local conf_file, id, pci, mac, sock_path, mirror_id - local opts = { verbosity = 0 } + local opts = { verbosity = 0, ingress_drop_monitor = 'flush' } local handlers = {} function handlers.v () opts.verbosity = opts.verbosity + 1 end function handlers.D (arg) @@ -163,6 +165,13 @@ function run(args) timer.activate(t) end + if opts.ingress_drop_monitor then + local counter_path = lwcounter.counters_dir.."/ingress-packet-drops" + local mon = ingress_drop_monitor.new({action=opts.ingress_drop_monitor, + counter=counter_path}) + timer.activate(mon:timer()) + end + engine.busywait = true if opts.duration then engine.main({duration=opts.duration, report={showlinks=true}}) From 318116e2340151c2ae1099fe32a93103ca5a1f36 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 6 Sep 2016 10:40:36 +0000 Subject: [PATCH 205/340] Use discard attributes to setup ingress-drop-monitor --- src/program/snabbvmx/lwaftr/lwaftr.lua | 15 ++++++++------- src/program/snabbvmx/lwaftr/setup.lua | 5 ----- 2 files changed, 8 insertions(+), 12 deletions(-) diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index 4717463dde..e3b36789aa 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -148,9 +148,6 @@ function run(args) mtu = DEFAULT_MTU, vlan = vlan, mirror_id = mirror_id, - discard_threshold = discard_threshold, - discard_wait = discard_wait, - discard_check_timer = discard_check_timer, } local c = config.new() @@ -165,11 +162,15 @@ function run(args) timer.activate(t) end - if opts.ingress_drop_monitor then + if interface.discard_threshold then local counter_path = lwcounter.counters_dir.."/ingress-packet-drops" - local mon = ingress_drop_monitor.new({action=opts.ingress_drop_monitor, - counter=counter_path}) - timer.activate(mon:timer()) + local mon = ingress_drop_monitor.new({ + action = interface.discard_action or opts.ingress_drop_monitor, + counter = counter_path, + threshold = interface.discard_threshold, + wait = interface.discard_wait, + }) + timer.activate(mon:timer(discard_check_timer)) end engine.busywait = true diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index 3dfbd6543d..93b5cd9478 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -97,11 +97,6 @@ local function load_phy (c, nic_id, interface) pciaddr = interface.pci, vmdq = true, vlan = vlan, - qprdc = { - discard_check_timer = interface.discard_check_timer, - discard_wait = interface.discard_wait, - discard_threshold = interface.discard_threshold, - }, macaddr = interface.mac_address, mtu = interface.mtu}) chain_input, chain_output = nic_id .. ".rx", nic_id .. ".tx" From e03efe481e55f69fe1c1b69eafbad3e966f54318 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 6 Sep 2016 14:20:08 +0000 Subject: [PATCH 206/340] Read ingress-packet-monitor values from SnabbVMX conf file --- src/program/snabbvmx/lwaftr/lwaftr.lua | 47 +++++++++++++++----------- 1 file changed, 28 insertions(+), 19 deletions(-) diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index e3b36789aa..ed3a482bd6 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -35,7 +35,7 @@ end function parse_args (args) if #args == 0 then show_usage(1) end local conf_file, id, pci, mac, sock_path, mirror_id - local opts = { verbosity = 0, ingress_drop_monitor = 'flush' } + local opts = { verbosity = 0 } local handlers = {} function handlers.v () opts.verbosity = opts.verbosity + 1 end function handlers.D (arg) @@ -90,9 +90,11 @@ function run(args) local conf = {} local lwconf = {} local ring_buffer_size = 2048 - local discard_threshold = 100000 - local discard_check_timer = 1 - local discard_wait = 20 + + local ingress_drop_action = "flush" + local ingress_drop_threshold = 100000 + local ingress_drop_interval = 1e6 + local ingress_drop_wait = 20 if file_exists(conf_file) then conf = lib.load_conf(conf_file) @@ -109,14 +111,17 @@ function run(args) end if conf.settings then - if conf.settings.discard_threshold then - discard_threshold = conf.settings.discard_threshold + if conf.settings.ingress_drop_monitor then + ingress_drop_action = conf.settings.ingress_drop_monitor + end + if conf.settings.ingress_drop_threshold then + ingress_drop_threshold = conf.settings.ingress_drop_threshold end - if conf.settings.discard_check_timer then - discard_check_timer = conf.settings.discard_check_timer + if conf.settings.ingress_drop_interval then + ingress_drop_interval = conf.settings.ingress_drop_interval end - if conf.settings.discard_wait then - discard_wait = conf.settings.discard_wait + if conf.settings.ingress_drop_wait then + ingress_drop_wait = conf.settings.ingress_drop_wait end if conf.settings.ring_buffer_size then ring_buffer_size = tonumber(conf.settings.ring_buffer_size) @@ -139,12 +144,12 @@ function run(args) lwaftr_id.value = id end - local vlan = conf.settings.vlan + local vlan = conf.settings and conf.settings.vlan - conf.interface = { + conf.interface = { mac_address = mac, - pci = pci, - id = id, + pci = pci, + id = id, mtu = DEFAULT_MTU, vlan = vlan, mirror_id = mirror_id, @@ -162,15 +167,19 @@ function run(args) timer.activate(t) end - if interface.discard_threshold then + if ingress_drop_action then + assert(ingress_drop_action == "flush" or ingress_drop_action == "warn", + "Not valid ingress-drop-monitor action") + print(("Ingress drop monitor: %s (threshold: %d packets; wait: %d seconds; interval: %.2f seconds)"):format( + ingress_drop_action, ingress_drop_threshold, ingress_drop_wait, 1e6/ingress_drop_interval)) local counter_path = lwcounter.counters_dir.."/ingress-packet-drops" local mon = ingress_drop_monitor.new({ - action = interface.discard_action or opts.ingress_drop_monitor, + action = ingress_drop_action, + threshold = ingress_drop_threshold, + wait = ingress_drop_wait, counter = counter_path, - threshold = interface.discard_threshold, - wait = interface.discard_wait, }) - timer.activate(mon:timer(discard_check_timer)) + timer.activate(mon:timer(ingress_drop_interval)) end engine.busywait = true From dac8774e88f9148ebebaeea35022acdc58492fc9 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 7 Sep 2016 10:17:36 +0000 Subject: [PATCH 207/340] Add script tcpreplay --- .../snabbvmx/tests/scripts/tcpreplay.lua | 87 +++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 src/program/snabbvmx/tests/scripts/tcpreplay.lua diff --git a/src/program/snabbvmx/tests/scripts/tcpreplay.lua b/src/program/snabbvmx/tests/scripts/tcpreplay.lua new file mode 100644 index 0000000000..9d3d53534b --- /dev/null +++ b/src/program/snabbvmx/tests/scripts/tcpreplay.lua @@ -0,0 +1,87 @@ +local S = require("syscall") +local Tap = require("apps.tap.tap").Tap +local lib = require("core.lib") +local pcap = require("apps.pcap.pcap") +local pci = require("lib.hardware.pci") + +function show_usage (code) + print(require("program.tcpreplay.README_inc")) + main.exit(code) +end + +function parse_args (args) + local handlers = {} + local opts = {} + function handlers.h () + show_usage(0) + end + function handlers.D (arg) + opts.duration = assert(tonumber(arg), "Duration must be a number") + end + args = lib.dogetopt(args, handlers, "hD:", { help="h", duration="D" }) + if #args ~= 2 then show_usage(1) end + if not opts.duration then opts.duration = 1 end + return opts, unpack(args) +end + +-- TODO: Duplicated function. Move to a common place. +local function dir_exists (path) + local stat = S.stat(path) + return stat and stat.isdir +end + +-- TODO: Duplicated function. Move to a common place. +local function nic_exists (pci_addr) + local devices="/sys/bus/pci/devices" + return dir_exists(("%s/%s"):format(devices, pci_addr)) or + dir_exists(("%s/0000:%s"):format(devices, pci_addr)) +end + +function run (args) + local opts, filein, iface = parse_args(args) + local c = config.new() + + config.app(c, "pcap", pcap.PcapReader, filein) + if nic_exists(iface) then + local device_info = pci.device_info(iface) + local driver = require(device_info.driver).driver + config.app(c, "nic", driver, { pciaddr = iface }) + config.link(c, "pcap.output -> nic.rx") + else + config.app(c, "nic", Tap, iface) + config.link(c, "pcap.output -> nic.input") + end + + engine.configure(c) + engine.main({duration=opts.duration}) +end + +-- Snabb shell cannot run a script that is a module, but it can run +-- a Lua script. However in that case 'args' variable is not present. +-- This function access directly to the command line argument list +-- and returns all script arguments. Script arguments are the arguments +-- after script name. Example: sudo ./snabb snsh ... +local function getargs() + local scriptname = "tcpreplay.lua" + local function basename (path) + return path:gsub("(.*/)(.*)", "%2") + end + local function indexof (args, name) + for i, arg in ipairs(args) do + if basename(arg) == scriptname then + return i + end + end + end + local args = main.parse_command_line() + local index = assert(indexof(args, scriptname), + "Scriptname is not in arguments list") + -- Return arguments after scriptname. + local ret = {} + for i=index+1,#args do + table.insert(ret, args[i]) + end + return ret +end + +run(getargs()) From 53ba35fa4be9025424a2c8f0bba4772ff2f03cab Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Sun, 21 Aug 2016 12:01:21 +0000 Subject: [PATCH 208/340] Add Snabbvmx test --- .../snabbvmx/tests/conf/binding_table.txt | 11 + .../snabbvmx/tests/conf/snabbvmx-lwaftr.cfg | 16 + .../snabbvmx/tests/conf/snabbvmx-lwaftr.conf | 17 + .../pcap/input/arp-request-to-lwAFTR.pcap | Bin 0 -> 82 bytes .../pcap/input/ndp-request-to-lwAFTR.pcap | Bin 0 -> 126 bytes .../pcap/input/ping-request-to-lwAFTR-b4.pcap | Bin 0 -> 158 bytes .../input/ping-request-to-lwAFTR-inet.pcap | Bin 0 -> 138 bytes .../pcap/output/arp-reply-from-lwAFTR.pcap | Bin 0 -> 82 bytes .../pcap/output/ndp-reply-from-lwAFTR.pcap | Bin 0 -> 118 bytes .../output/ping-reply-from-lwAFTR-b4.pcap | Bin 0 -> 158 bytes .../output/ping-reply-from-lwAFTR-inet.pcap | Bin 0 -> 138 bytes src/program/snabbvmx/tests/selftest.sh | 323 ++++++++++++++++++ 12 files changed, 367 insertions(+) create mode 100644 src/program/snabbvmx/tests/conf/binding_table.txt create mode 100644 src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg create mode 100644 src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.conf create mode 100644 src/program/snabbvmx/tests/pcap/input/arp-request-to-lwAFTR.pcap create mode 100644 src/program/snabbvmx/tests/pcap/input/ndp-request-to-lwAFTR.pcap create mode 100644 src/program/snabbvmx/tests/pcap/input/ping-request-to-lwAFTR-b4.pcap create mode 100644 src/program/snabbvmx/tests/pcap/input/ping-request-to-lwAFTR-inet.pcap create mode 100644 src/program/snabbvmx/tests/pcap/output/arp-reply-from-lwAFTR.pcap create mode 100644 src/program/snabbvmx/tests/pcap/output/ndp-reply-from-lwAFTR.pcap create mode 100644 src/program/snabbvmx/tests/pcap/output/ping-reply-from-lwAFTR-b4.pcap create mode 100644 src/program/snabbvmx/tests/pcap/output/ping-reply-from-lwAFTR-inet.pcap create mode 100755 src/program/snabbvmx/tests/selftest.sh diff --git a/src/program/snabbvmx/tests/conf/binding_table.txt b/src/program/snabbvmx/tests/conf/binding_table.txt new file mode 100644 index 0000000000..488d7b451f --- /dev/null +++ b/src/program/snabbvmx/tests/conf/binding_table.txt @@ -0,0 +1,11 @@ +psid_map { + 193.5.63.101 { psid_length=6, shift=10 } +} +br_addresses { + fc00::100 +} +softwires { + { ipv4=193.5.1.100, psid=1, b4=fc00:1:2:3:4:5:0:7e } + { ipv4=193.5.1.100, psid=2, b4=fc00:1:2:3:4:5:0:7f } + { ipv4=193.5.1.100, psid=3, b4=fc00:1:2:3:4:5:0:80 } +} diff --git a/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg new file mode 100644 index 0000000000..547f57b527 --- /dev/null +++ b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg @@ -0,0 +1,16 @@ +return { + lwaftr = "snabbvmx-lwaftr.conf", + ipv6_interface = { + ipv6_address = "fc00::100", + cache_refresh_interval = 1, + mtu = 9500, + }, + ipv4_interface = { + ipv4_address = "10.0.1.1", + cache_refresh_interval = 1, + mtu = 1460, + }, + settings = { + vlan = false, + }, +} diff --git a/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.conf b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.conf new file mode 100644 index 0000000000..5047a8d81f --- /dev/null +++ b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.conf @@ -0,0 +1,17 @@ +binding_table = binding_table.txt, +vlan_tagging = false, +aftr_ipv6_ip = fc00::100, +aftr_mac_inet_side = 02:AA:AA:AA:AA:AA, +inet_mac = 02:99:99:99:99:99, +ipv6_mtu = 9500, +policy_icmpv6_incoming = DROP, +policy_icmpv6_outgoing = DROP, +icmpv6_rate_limiter_n_packets = 6e5, +icmpv6_rate_limiter_n_seconds = 2, +aftr_ipv4_ip = 10.0.1.1, +aftr_mac_b4_side = 02:AA:AA:AA:AA:AA, +# b4_mac = 02:99:99:99:99:99, +next_hop6_mac = 02:99:99:99:99:99, +ipv4_mtu = 1460, +policy_icmpv4_incoming = DROP, +policy_icmpv4_outgoing = DROP, diff --git a/src/program/snabbvmx/tests/pcap/input/arp-request-to-lwAFTR.pcap b/src/program/snabbvmx/tests/pcap/input/arp-request-to-lwAFTR.pcap new file mode 100644 index 0000000000000000000000000000000000000000..7069487a6c07e570a3a05194d641235f7588383c GIT binary patch literal 82 zcmca|c+)~A1{MYw`2U}Qff2|_|6mXl0^~AsumLdx8w&$t*rIpp=XAIj N7*jxM85n>pMgSHg5extT literal 0 HcmV?d00001 diff --git a/src/program/snabbvmx/tests/pcap/input/ndp-request-to-lwAFTR.pcap b/src/program/snabbvmx/tests/pcap/input/ndp-request-to-lwAFTR.pcap new file mode 100644 index 0000000000000000000000000000000000000000..6b4f968adfcbdeb0f5fabf0eae3554783b9cee47 GIT binary patch literal 126 zcmca|c+)~A1{MYw`2U}Qff2}Yk=`E;5(|T3rd1#i6awTjw%tttQVa@K|Nnq!1Yktv XGcvR@)Eoy%ql+^#PI$Cy%}!4M1j-i0 literal 0 HcmV?d00001 diff --git a/src/program/snabbvmx/tests/pcap/input/ping-request-to-lwAFTR-b4.pcap b/src/program/snabbvmx/tests/pcap/input/ping-request-to-lwAFTR-b4.pcap new file mode 100644 index 0000000000000000000000000000000000000000..2fb449b95ab6c009419a4141b6d824ca1dee559c GIT binary patch literal 158 zcmca|c+)~A1{MYw`2U}Qff2|ttKAz85-WpZrd1#i6awTjw%tttQVb4O4u3#20x+WT z85tTFQs!oSWnk2+hM30S$p=;~ASfg(A}S^>At@y-BP%Dbps1v*qN=8@p{b>0J@bKuK)l5 literal 0 HcmV?d00001 diff --git a/src/program/snabbvmx/tests/pcap/output/arp-reply-from-lwAFTR.pcap b/src/program/snabbvmx/tests/pcap/output/arp-reply-from-lwAFTR.pcap new file mode 100644 index 0000000000000000000000000000000000000000..57eafcd01f2f83078d55e82d8fae61e462e3d84c GIT binary patch literal 82 zcmca|c+)~A1{MYcU}0bcawG)zhfADgW6%P!K{#yDJN0uqOshbEgN=cagMp2OfeFIr MVqj#1$OBm^0Ix9;$N&HU literal 0 HcmV?d00001 diff --git a/src/program/snabbvmx/tests/pcap/output/ndp-reply-from-lwAFTR.pcap b/src/program/snabbvmx/tests/pcap/output/ndp-reply-from-lwAFTR.pcap new file mode 100644 index 0000000000000000000000000000000000000000..20b89c9ea531fa46456f91d7bb21a95cbf60ca2a GIT binary patch literal 118 zcmca|c+)~A1{MYcU}0bca [] +# Runs on VM listening on telnet . Waits seconds +# for before closing connection. The default of is 2. +function run_telnet { + (echo "$2"; sleep ${3:-2}) \ + | telnet localhost $1 2>&1 +} + +# Usage: wait_vm_up +# Blocks until ping to 0::0 suceeds. +function wait_vm_up { + local timeout_counter=0 + local timeout_max=50 + echo -n "Waiting for VM listening on telnet port $1 to get ready..." + while ( ! (run_telnet $1 "ping6 -c 1 0::0" | grep "1 received" \ + >/dev/null) ); do + # Time out eventually. + if [ $timeout_counter -gt $timeout_max ]; then + echo " [TIMEOUT]" + exit 1 + fi + timeout_counter=$(expr $timeout_counter + 1) + sleep 2 + done + echo " [OK]" +} + +function qemu_cmd { + echo "qemu-system-x86_64 \ + -kernel ${BZ_IMAGE} -append \"earlyprintk root=/dev/vda rw console=tty0\" \ + -enable-kvm -drive format=raw,if=virtio,file=${IMAGE} \ + -M pc -smp 1 -cpu host -m ${MEM} \ + -object memory-backend-file,id=mem,size=${MEM},mem-path=${HUGEPAGES_FS},share=on \ + -numa node,memdev=mem \ + -chardev socket,id=char1,path=${VHU_SOCK0},server \ + -netdev type=vhost-user,id=net0,chardev=char1 \ + -device virtio-net-pci,netdev=net0,addr=0x8,mac=${MAC_ADDRESS_NET0} \ + -serial telnet:localhost:${SNABB_TELNET0},server,nowait \ + -display none" +} + +function quit_screen { screen_id=$1 + screen -X -S "$screen_id" quit &> /dev/null +} + +function run_cmd_in_screen { screen_id=$1; cmd=$2 + screen_id="${screen_id}-$$" + quit_screen "$screen_id" + screen -dmS "$screen_id" bash -c "$cmd >> $SNABBVMX_LOG" +} + +function qemu { + run_cmd_in_screen "qemu" "`qemu_cmd`" +} + +function monitor { action=$1 + local cmd="sudo ./snabb lwaftr monitor $action" + run_cmd_in_screen "lwaftr-monitor" "$cmd" +} + +function tcpreplay { pcap=$1; pci=$2 + local cmd="sudo ./snabb snsh $TCPREPLAY_SCRIPT $pcap $pci" + run_cmd_in_screen "tcpreplay" "$cmd" +} + +function start_test_env { + if [[ ! -f "$IMAGE" ]]; then + echo "Couldn't find QEMU image: $IMAGE" + exit $SKIPPED_CODE + fi + + # Run qemu. + qemu + + # Wait until VMs are ready. + wait_vm_up $SNABB_TELNET0 + + # Manually set ip addresses. + run_telnet $SNABB_TELNET0 "ifconfig eth0 up" >/dev/null + run_telnet $SNABB_TELNET0 "ip -6 addr add $LWAFTR_IPV6_ADDRESS/64 dev eth0" >/dev/null + run_telnet $SNABB_TELNET0 "ip addr add $LWAFTR_IPV4_ADDRESS/24 dev eth0" >/dev/null + run_telnet $SNABB_TELNET0 "ip neigh add 10.0.1.100 lladdr 02:99:99:99:99:99 dev eth0" >/dev/null + run_telnet $SNABB_TELNET0 "ip -6 neigh add fc00::1 lladdr 02:99:99:99:99:99 dev eth0" >/dev/null + run_telnet $SNABB_TELNET0 "route add default gw 10.0.1.100 eth0" >/dev/null + run_telnet $SNABB_TELNET0 "route -6 add default gw fc00::1 eth0" >/dev/null + run_telnet $SNABB_TELNET0 "sysctl -w net.ipv4.conf.all.forwarding=1" >/dev/null + run_telnet $SNABB_TELNET0 "sysctl -w net.ipv6.conf.all.forwarding=1" >/dev/null +} + +function create_mirror_tap_if_needed { + ip tuntap add $MIRROR_TAP mode tap 2>/dev/null + ip li set dev $MIRROR_TAP up 2>/dev/null + ip li sh $MIRROR_TAP &>/dev/null + if [[ $? -ne 0 ]]; then + echo "Couldn't create mirror tap: $MIRROR_TAP" + exit 1 + fi +} + +function run_snabbvmx { + echo "Launch Snabbvmx" + local cmd="./snabb snabbvmx lwaftr --conf $SNABBVMX_CONF --id $SNABBVMX_ID \ + --pci $SNABB_PCI0 --mac $MAC_ADDRESS_NET0 --sock $VHU_SOCK0 \ + --mirror $MIRROR_TAP " + run_cmd_in_screen "snabbvmx" "$cmd" +} + +function capture_mirror_tap_to_file { fileout=$1; filter=$2 + local cmd="" + if [[ -n $filter ]]; then + cmd="sudo tcpdump \"${filter}\" -U -c 1 -i $MIRROR_TAP -w $fileout" + else + cmd="sudo tcpdump -U -c 1 -i $MIRROR_TAP -w $fileout" + fi + run_cmd_in_screen "tcpdump" "$cmd" +} + +function myseq { from=$1; to=$2 + if [[ -z $to ]]; then + to=$from + fi + seq $from $to +} + +# Zeroes columns at rows in file. + +# File should be a pcap2text file produced with 'od -Ax -tx1' +# Row and column can be single numbers or a number sequence such as '1-10' +# The function produces an awk program like: +# +# 'FNR==row_1,FNR==row_n {$column_1=column_n=00}1' +function zero { file=$1; row=$2; column=$3 + # Prepare head. + local head="" + row=${row/-/ } + for each in $(myseq $row); do + head="${head}FNR==$each," + done + head=${head::-1} # Remove last character. + + # Prepare body. + local body="" + column=${column/-/ } + for each in $(myseq $column); do + body="$body\$$each=" + done + body="${body}\"00\"" + + local cmd="awk '$head {$body}1' $file > \"${file}.tmp\"" + eval $cmd + mv "${file}.tmp" "$file" +} + +function zero_identifier { file=$1; row=$2; column=$3 + for each in "$@"; do + zero "$each" "2" "4-5" + done +} + +function zero_checksum { file=$1; row=$2; column=$3 + for each in "$@"; do + zero "$each" "2" "10-11" + done +} + +function pcap2text { pcap=$1; txt=$2 + od -Ax -tx1 -j 40 $pcap > $txt +} + +function ping4_cmp { pcap1=$1; pcap2=$2 + local actual=/tmp/actual.txt + local expected=/tmp/expected.txt + + pcap2text $pcap1 $actual + pcap2text $pcap2 $expected + + zero_identifier $actual $expected + zero_checksum $actual $expected + + local out=$(diff $actual $expected) + echo ${#out} +} + +# Test ping to lwAFTR inet interface. +function test_ping_to_lwaftr_inet { + local input="$PCAP_INPUT/ping-request-to-lwAFTR-inet.pcap" + local expected="$PCAP_OUTPUT/ping-reply-from-lwAFTR-inet.pcap" + local output="/tmp/output.pcap" + + # Capture IPv4 icmp echo-reply. + capture_mirror_tap_to_file $output "icmp[icmptype] == 0" + tcpreplay $input $SNABB_PCI1 + sleep 2 + + local ret=$(ping4_cmp $output $expected) + rm -f $output + if [[ $ret == 0 ]]; then + echo "Ping to lwAFTR inet interface: OK" + else + echo "Error: ping-to-lwAFTR-inet test failed" + echo -e $ret + exit 1 + fi +} + +function pcap_cmp { pcap1=$1; pcap2=$2 + local actual=/tmp/actual.txt + local expected=/tmp/expected.txt + + pcap2text $pcap1 $actual + pcap2text $pcap2 $expected + + local out=$(diff $actual $expected) + echo ${#out} +} + +function check_pcap_equals { testname=$1; output=$2; expected=$3 + local ret=$(pcap_cmp $output $expected) + # rm -f $output + if [[ $ret == 0 ]]; then + echo "$testname: OK" + else + echo "Error: '$testname' failed" + echo -e $ret + exit 1 + fi +} + +function cleanup { + screens=$(screen -ls | egrep -o "[0-9]+\." | sed 's/\.//') + for each in $screens; do + if [[ "$each" > 0 ]]; then + screen -S $each -X quit + fi + done + exit 0 +} + +function run_test { testname=$1; input=$2; expected=$3; filter=$4 + local output="/tmp/output.pcap" + capture_mirror_tap_to_file $output "$filter" + tcpreplay $input $SNABB_PCI1 + sleep 3 + check_pcap_equals "$testname" $output $expected +} + +function test_ping_to_lwaftr_b4 { + run_test "Ping to lwAFTR B4 side" \ + "$PCAP_INPUT/ping-request-to-lwAFTR-b4.pcap" \ + "$PCAP_OUTPUT/ping-reply-from-lwAFTR-b4.pcap" \ + "icmp6 and ip6[40]==129" +} + +function test_arp_request_to_lwaftr { + run_test "ARP request to lwAFTR" \ + "$PCAP_INPUT/arp-request-to-lwAFTR.pcap" \ + "$PCAP_OUTPUT/arp-reply-from-lwAFTR.pcap" \ + "arp[6:2] == 2" +} + +function test_ndp_request_to_lwaftr { + run_test "NDP request to lwAFTR" \ + "$PCAP_INPUT/ndp-request-to-lwAFTR.pcap" \ + "$PCAP_OUTPUT/ndp-reply-from-lwAFTR.pcap" \ + "icmp6 && ip6[40] == 136" +} + +# Set up graceful `exit'. +trap cleanup EXIT HUP INT QUIT TERM + +# Run snabbvmx with VM. +create_mirror_tap_if_needed +run_snabbvmx +start_test_env + +# Mirror all packets to tap0. +monitor all + +test_ping_to_lwaftr_inet +test_ping_to_lwaftr_b4 +test_arp_request_to_lwaftr +test_ndp_request_to_lwaftr From a2b1fb4a9a87028b77dbbc7ac927efedba0ade1d Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 7 Sep 2016 13:16:54 +0000 Subject: [PATCH 209/340] Increase time interval --- src/program/snabbvmx/tests/selftest.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/program/snabbvmx/tests/selftest.sh b/src/program/snabbvmx/tests/selftest.sh index 3f6c6605e3..3f6245515d 100755 --- a/src/program/snabbvmx/tests/selftest.sh +++ b/src/program/snabbvmx/tests/selftest.sh @@ -231,7 +231,7 @@ function test_ping_to_lwaftr_inet { # Capture IPv4 icmp echo-reply. capture_mirror_tap_to_file $output "icmp[icmptype] == 0" tcpreplay $input $SNABB_PCI1 - sleep 2 + sleep 5 local ret=$(ping4_cmp $output $expected) rm -f $output @@ -281,7 +281,7 @@ function run_test { testname=$1; input=$2; expected=$3; filter=$4 local output="/tmp/output.pcap" capture_mirror_tap_to_file $output "$filter" tcpreplay $input $SNABB_PCI1 - sleep 3 + sleep 5 check_pcap_equals "$testname" $output $expected } From 0f2824e08927e17dfe87d8e7a44e81580e048cbd Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 7 Sep 2016 13:21:32 +0000 Subject: [PATCH 210/340] Clean up tcpreplay.lua script --- .../snabbvmx/tests/scripts/tcpreplay.lua | 32 ++++--------------- 1 file changed, 6 insertions(+), 26 deletions(-) diff --git a/src/program/snabbvmx/tests/scripts/tcpreplay.lua b/src/program/snabbvmx/tests/scripts/tcpreplay.lua index 9d3d53534b..b69c94c6c4 100644 --- a/src/program/snabbvmx/tests/scripts/tcpreplay.lua +++ b/src/program/snabbvmx/tests/scripts/tcpreplay.lua @@ -1,3 +1,4 @@ +local Intel82599 = require("apps.intel.intel_app").Intel82599 local S = require("syscall") local Tap = require("apps.tap.tap").Tap local lib = require("core.lib") @@ -5,7 +6,7 @@ local pcap = require("apps.pcap.pcap") local pci = require("lib.hardware.pci") function show_usage (code) - print(require("program.tcpreplay.README_inc")) + print("Usage: tcpreplay.lua ") main.exit(code) end @@ -24,41 +25,20 @@ function parse_args (args) return opts, unpack(args) end --- TODO: Duplicated function. Move to a common place. -local function dir_exists (path) - local stat = S.stat(path) - return stat and stat.isdir -end - --- TODO: Duplicated function. Move to a common place. -local function nic_exists (pci_addr) - local devices="/sys/bus/pci/devices" - return dir_exists(("%s/%s"):format(devices, pci_addr)) or - dir_exists(("%s/0000:%s"):format(devices, pci_addr)) -end - function run (args) local opts, filein, iface = parse_args(args) local c = config.new() config.app(c, "pcap", pcap.PcapReader, filein) - if nic_exists(iface) then - local device_info = pci.device_info(iface) - local driver = require(device_info.driver).driver - config.app(c, "nic", driver, { pciaddr = iface }) - config.link(c, "pcap.output -> nic.rx") - else - config.app(c, "nic", Tap, iface) - config.link(c, "pcap.output -> nic.input") - end - + config.app(c, "nic", Intel82599, { pciaddr = iface }) + config.link(c, "pcap.output -> nic.rx") engine.configure(c) - engine.main({duration=opts.duration}) + engine.main({duration = opts.duration, report={showlinks=true}}) end -- Snabb shell cannot run a script that is a module, but it can run -- a Lua script. However in that case 'args' variable is not present. --- This function access directly to the command line argument list +-- This function directly accesses the command line argument list -- and returns all script arguments. Script arguments are the arguments -- after script name. Example: sudo ./snabb snsh ... local function getargs() From 482a1966c8f3b54b790201ff28826db4697ec0b8 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 7 Sep 2016 15:15:07 +0000 Subject: [PATCH 211/340] Fix vlan assignment --- src/program/snabbvmx/lwaftr/lwaftr.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index ed3a482bd6..8532780dfa 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -144,7 +144,7 @@ function run(args) lwaftr_id.value = id end - local vlan = conf.settings and conf.settings.vlan + local vlan = conf.settings and conf.settings.vlan or false conf.interface = { mac_address = mac, From 331b40e45815c354484aa8b73faaa71855346aee Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 7 Sep 2016 14:38:32 +0000 Subject: [PATCH 212/340] Refactor SnabbVMX selftest --- src/program/snabbvmx/tests/selftest.sh | 40 +++++++++++++++----------- 1 file changed, 23 insertions(+), 17 deletions(-) diff --git a/src/program/snabbvmx/tests/selftest.sh b/src/program/snabbvmx/tests/selftest.sh index 3f6245515d..31e32f573f 100755 --- a/src/program/snabbvmx/tests/selftest.sh +++ b/src/program/snabbvmx/tests/selftest.sh @@ -208,7 +208,7 @@ function pcap2text { pcap=$1; txt=$2 od -Ax -tx1 -j 40 $pcap > $txt } -function ping4_cmp { pcap1=$1; pcap2=$2 +function icmpv4_cmp { pcap1=$1; pcap2=$2 local actual=/tmp/actual.txt local expected=/tmp/expected.txt @@ -222,28 +222,34 @@ function ping4_cmp { pcap1=$1; pcap2=$2 echo ${#out} } -# Test ping to lwAFTR inet interface. -function test_ping_to_lwaftr_inet { - local input="$PCAP_INPUT/ping-request-to-lwAFTR-inet.pcap" - local expected="$PCAP_OUTPUT/ping-reply-from-lwAFTR-inet.pcap" - local output="/tmp/output.pcap" - - # Capture IPv4 icmp echo-reply. - capture_mirror_tap_to_file $output "icmp[icmptype] == 0" - tcpreplay $input $SNABB_PCI1 - sleep 5 - - local ret=$(ping4_cmp $output $expected) - rm -f $output +function check_icmpv4_equals { testname=$1; output=$2; expected=$3 + local ret=$(icmpv4_cmp $output $expected) + # rm -f $output if [[ $ret == 0 ]]; then - echo "Ping to lwAFTR inet interface: OK" + echo "$testname: OK" else - echo "Error: ping-to-lwAFTR-inet test failed" + echo "Error: '$testname' failed" echo -e $ret exit 1 fi } +function run_icmpv4_test { testname=$1; input=$2; expected=$3; filter=$4 + local output="/tmp/output.pcap" + capture_mirror_tap_to_file $output "$filter" + tcpreplay $input $SNABB_PCI1 + sleep 5 + check_icmpv4_equals "$testname" $output $expected +} + +# Test ping to lwAFTR inet interface. +function test_ping_to_lwaftr_inet { + run_icmpv4_test "Ping to lwAFTR inet interface" \ + "$PCAP_INPUT/ping-request-to-lwAFTR-inet.pcap" \ + "$PCAP_OUTPUT/ping-reply-from-lwAFTR-inet.pcap" \ + "icmp[icmptype] == 0" +} + function pcap_cmp { pcap1=$1; pcap2=$2 local actual=/tmp/actual.txt local expected=/tmp/expected.txt @@ -257,7 +263,7 @@ function pcap_cmp { pcap1=$1; pcap2=$2 function check_pcap_equals { testname=$1; output=$2; expected=$3 local ret=$(pcap_cmp $output $expected) - # rm -f $output + rm -f $output if [[ $ret == 0 ]]; then echo "$testname: OK" else From f23359e026ac625e821f0f8484f4da821f46642f Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 7 Sep 2016 15:16:00 +0000 Subject: [PATCH 213/340] Add VLAN tag testing to SnabbVMX selftest --- .../snabbvmx/tests/conf/snabbvmx-lwaftr.cfg | 2 +- .../input/vlan-bad/arp-request-to-lwAFTR.pcap | Bin 0 -> 86 bytes .../input/vlan-bad/ndp-request-to-lwAFTR.pcap | Bin 0 -> 130 bytes .../vlan-bad/ping-request-to-lwAFTR-b4.pcap | Bin 0 -> 162 bytes .../vlan-bad/ping-request-to-lwAFTR-inet.pcap | Bin 0 -> 142 bytes .../input/vlan/arp-request-to-lwAFTR.pcap | Bin 0 -> 86 bytes .../input/vlan/ndp-request-to-lwAFTR.pcap | Bin 0 -> 130 bytes .../input/vlan/ping-request-to-lwAFTR-b4.pcap | Bin 0 -> 162 bytes .../vlan/ping-request-to-lwAFTR-inet.pcap | Bin 0 -> 142 bytes src/program/snabbvmx/tests/selftest.sh | 88 +++++++++++++----- 10 files changed, 66 insertions(+), 24 deletions(-) create mode 100644 src/program/snabbvmx/tests/pcap/input/vlan-bad/arp-request-to-lwAFTR.pcap create mode 100644 src/program/snabbvmx/tests/pcap/input/vlan-bad/ndp-request-to-lwAFTR.pcap create mode 100644 src/program/snabbvmx/tests/pcap/input/vlan-bad/ping-request-to-lwAFTR-b4.pcap create mode 100644 src/program/snabbvmx/tests/pcap/input/vlan-bad/ping-request-to-lwAFTR-inet.pcap create mode 100644 src/program/snabbvmx/tests/pcap/input/vlan/arp-request-to-lwAFTR.pcap create mode 100644 src/program/snabbvmx/tests/pcap/input/vlan/ndp-request-to-lwAFTR.pcap create mode 100644 src/program/snabbvmx/tests/pcap/input/vlan/ping-request-to-lwAFTR-b4.pcap create mode 100644 src/program/snabbvmx/tests/pcap/input/vlan/ping-request-to-lwAFTR-inet.pcap diff --git a/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg index 547f57b527..ec53f869e8 100644 --- a/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg +++ b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg @@ -11,6 +11,6 @@ return { mtu = 1460, }, settings = { - vlan = false, + vlan = 333, }, } diff --git a/src/program/snabbvmx/tests/pcap/input/vlan-bad/arp-request-to-lwAFTR.pcap b/src/program/snabbvmx/tests/pcap/input/vlan-bad/arp-request-to-lwAFTR.pcap new file mode 100644 index 0000000000000000000000000000000000000000..7ab464d3c225cdb67fda3f0bbc1302cad31c15da GIT binary patch literal 86 zcmca|c+)~A1{MYw`2U}Qff2|_}^ b5r7eu&&bfuP;(q4jV{i}IN{N*H9I{4pV=5V literal 0 HcmV?d00001 diff --git a/src/program/snabbvmx/tests/pcap/input/vlan-bad/ping-request-to-lwAFTR-b4.pcap b/src/program/snabbvmx/tests/pcap/input/vlan-bad/ping-request-to-lwAFTR-b4.pcap new file mode 100644 index 0000000000000000000000000000000000000000..05db5b5ce0e1985ca5a21bfd75deeafb97bec12f GIT binary patch literal 162 zcmca|c+)~A1{MYw`2U}Qff2|ttKAz8603q@rd1#i6awTjHZm|jZ@ZfSWHLBdIs5_9 z2*8NSXJlw#NST}Qm4Q*O8e$@YCm&d~fS{1Dh^UyjgrtP#8~|y%8zKMz literal 0 HcmV?d00001 diff --git a/src/program/snabbvmx/tests/pcap/input/vlan/arp-request-to-lwAFTR.pcap b/src/program/snabbvmx/tests/pcap/input/vlan/arp-request-to-lwAFTR.pcap new file mode 100644 index 0000000000000000000000000000000000000000..859e140f98a6a01161d88bd126417af4590a8c5c GIT binary patch literal 86 zcmca|c+)~A1{MYw`2U}Qff2|_ VuA!-=t)r`_Z(wL-Y+`C=4gfT@8ioJ> literal 0 HcmV?d00001 diff --git a/src/program/snabbvmx/tests/selftest.sh b/src/program/snabbvmx/tests/selftest.sh index 31e32f573f..39214b7cd3 100755 --- a/src/program/snabbvmx/tests/selftest.sh +++ b/src/program/snabbvmx/tests/selftest.sh @@ -205,7 +205,14 @@ function zero_checksum { file=$1; row=$2; column=$3 } function pcap2text { pcap=$1; txt=$2 - od -Ax -tx1 -j 40 $pcap > $txt + filesize=$(ls -l $pcap | awk '{ print $5 }') + if [[ $filesize < 40 ]]; then + # Empty file. + rm -f $txt + touch $txt + else + od -Ax -tx1 -j 40 $pcap > $txt + fi } function icmpv4_cmp { pcap1=$1; pcap2=$2 @@ -224,7 +231,7 @@ function icmpv4_cmp { pcap1=$1; pcap2=$2 function check_icmpv4_equals { testname=$1; output=$2; expected=$3 local ret=$(icmpv4_cmp $output $expected) - # rm -f $output + rm -f $output if [[ $ret == 0 ]]; then echo "$testname: OK" else @@ -242,14 +249,6 @@ function run_icmpv4_test { testname=$1; input=$2; expected=$3; filter=$4 check_icmpv4_equals "$testname" $output $expected } -# Test ping to lwAFTR inet interface. -function test_ping_to_lwaftr_inet { - run_icmpv4_test "Ping to lwAFTR inet interface" \ - "$PCAP_INPUT/ping-request-to-lwAFTR-inet.pcap" \ - "$PCAP_OUTPUT/ping-reply-from-lwAFTR-inet.pcap" \ - "icmp[icmptype] == 0" -} - function pcap_cmp { pcap1=$1; pcap2=$2 local actual=/tmp/actual.txt local expected=/tmp/expected.txt @@ -283,7 +282,7 @@ function cleanup { exit 0 } -function run_test { testname=$1; input=$2; expected=$3; filter=$4 +function run_pcap_test { testname=$1; input=$2; expected=$3; filter=$4 local output="/tmp/output.pcap" capture_mirror_tap_to_file $output "$filter" tcpreplay $input $SNABB_PCI1 @@ -291,25 +290,68 @@ function run_test { testname=$1; input=$2; expected=$3; filter=$4 check_pcap_equals "$testname" $output $expected } +function test_ping_to_lwaftr_inet { + run_icmpv4_test "Ping to lwAFTR inet side" \ + "$PCAP_INPUT/ping-request-to-lwAFTR-inet.pcap" \ + "$PCAP_OUTPUT/ping-reply-from-lwAFTR-inet.pcap" \ + "icmp[icmptype] == 0" + + run_icmpv4_test "Ping to lwAFTR inet side (Good VLAN)" \ + "$PCAP_INPUT/vlan/ping-request-to-lwAFTR-inet.pcap" \ + "$PCAP_OUTPUT/ping-reply-from-lwAFTR-inet.pcap" \ + "icmp[icmptype] == 0" + + run_pcap_test "Ping to lwAFTR inet side (Bad VLAN)" \ + "$PCAP_INPUT/vlan-bad/ping-request-to-lwAFTR-inet.pcap" \ + "$PCAP_OUTPUT/empty.pcap" +} + function test_ping_to_lwaftr_b4 { - run_test "Ping to lwAFTR B4 side" \ - "$PCAP_INPUT/ping-request-to-lwAFTR-b4.pcap" \ - "$PCAP_OUTPUT/ping-reply-from-lwAFTR-b4.pcap" \ - "icmp6 and ip6[40]==129" + run_pcap_test "Ping to lwAFTR B4 side" \ + "$PCAP_INPUT/ping-request-to-lwAFTR-b4.pcap" \ + "$PCAP_OUTPUT/ping-reply-from-lwAFTR-b4.pcap" \ + "icmp6 and ip6[40]==129" + + run_pcap_test "Ping to lwAFTR B4 side (Good VLAN)" \ + "$PCAP_INPUT/vlan/ping-request-to-lwAFTR-b4.pcap" \ + "$PCAP_OUTPUT/ping-reply-from-lwAFTR-b4.pcap" \ + "icmp6 and ip6[40]==129" + + run_pcap_test "Ping to lwAFTR B4 side (Bad VLAN)" \ + "$PCAP_INPUT/vlan-bad/ping-request-to-lwAFTR-b4.pcap" \ + "$PCAP_OUTPUT/empty.pcap" } function test_arp_request_to_lwaftr { - run_test "ARP request to lwAFTR" \ - "$PCAP_INPUT/arp-request-to-lwAFTR.pcap" \ - "$PCAP_OUTPUT/arp-reply-from-lwAFTR.pcap" \ - "arp[6:2] == 2" + run_pcap_test "ARP request to lwAFTR" \ + "$PCAP_INPUT/arp-request-to-lwAFTR.pcap" \ + "$PCAP_OUTPUT/arp-reply-from-lwAFTR.pcap" \ + "arp[6:2] == 2" + + run_pcap_test "ARP request to lwAFTR (Good VLAN)" \ + "$PCAP_INPUT/vlan/arp-request-to-lwAFTR.pcap" \ + "$PCAP_OUTPUT/arp-reply-from-lwAFTR.pcap" \ + "arp[6:2] == 2" + + run_pcap_test "ARP request to lwAFTR (Bad VLAN)" \ + "$PCAP_INPUT/vlan-bad/arp-request-to-lwAFTR.pcap" \ + "$PCAP_OUTPUT/empty.pcap" } function test_ndp_request_to_lwaftr { - run_test "NDP request to lwAFTR" \ - "$PCAP_INPUT/ndp-request-to-lwAFTR.pcap" \ - "$PCAP_OUTPUT/ndp-reply-from-lwAFTR.pcap" \ - "icmp6 && ip6[40] == 136" + run_pcap_test "NDP request to lwAFTR" \ + "$PCAP_INPUT/ndp-request-to-lwAFTR.pcap" \ + "$PCAP_OUTPUT/ndp-reply-from-lwAFTR.pcap" \ + "icmp6 && ip6[40] == 136" + + run_pcap_test "NDP request to lwAFTR (Good VLAN)" \ + "$PCAP_INPUT/vlan/ndp-request-to-lwAFTR.pcap" \ + "$PCAP_OUTPUT/ndp-reply-from-lwAFTR.pcap" \ + "icmp6 && ip6[40] == 136" + + run_pcap_test "NDP request to lwAFTR (Bad VLAN)" \ + "$PCAP_INPUT/vlan-bad/ndp-request-to-lwAFTR.pcap" \ + "$PCAP_OUTPUT/empty.pcap" } # Set up graceful `exit'. From 8bf708f55f5d7aae34cf63e8aca5bba05bb1a729 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 7 Sep 2016 17:36:21 +0000 Subject: [PATCH 214/340] Add nexthop test datasets and configuration files --- .../snabbvmx/tests/conf/binding_table.txt | 190 +++++++++++++++++- .../tests/conf/snabbvmx-lwaftr-xe0.cfg | 20 ++ .../tests/conf/snabbvmx-lwaftr-xe0.conf | 16 ++ .../snabbvmx/tests/pcap/input/v4v6-256.pcap | Bin 0 -> 144920 bytes 4 files changed, 225 insertions(+), 1 deletion(-) create mode 100644 src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.cfg create mode 100644 src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.conf create mode 100644 src/program/snabbvmx/tests/pcap/input/v4v6-256.pcap diff --git a/src/program/snabbvmx/tests/conf/binding_table.txt b/src/program/snabbvmx/tests/conf/binding_table.txt index 488d7b451f..cdc0d079e6 100644 --- a/src/program/snabbvmx/tests/conf/binding_table.txt +++ b/src/program/snabbvmx/tests/conf/binding_table.txt @@ -1,5 +1,7 @@ psid_map { - 193.5.63.101 { psid_length=6, shift=10 } + 193.5.1.100 { psid_length=6, shift=10 } + 193.5.1.101 { psid_length=6, shift=10 } + 193.5.1.102 { psid_length=6, shift=10 } } br_addresses { fc00::100 @@ -8,4 +10,190 @@ softwires { { ipv4=193.5.1.100, psid=1, b4=fc00:1:2:3:4:5:0:7e } { ipv4=193.5.1.100, psid=2, b4=fc00:1:2:3:4:5:0:7f } { ipv4=193.5.1.100, psid=3, b4=fc00:1:2:3:4:5:0:80 } + { ipv4=193.5.1.100, psid=4, b4=fc00:1:2:3:4:5:0:81 } + { ipv4=193.5.1.100, psid=5, b4=fc00:1:2:3:4:5:0:82 } + { ipv4=193.5.1.100, psid=6, b4=fc00:1:2:3:4:5:0:83 } + { ipv4=193.5.1.100, psid=7, b4=fc00:1:2:3:4:5:0:84 } + { ipv4=193.5.1.100, psid=8, b4=fc00:1:2:3:4:5:0:85 } + { ipv4=193.5.1.100, psid=9, b4=fc00:1:2:3:4:5:0:86 } + { ipv4=193.5.1.100, psid=10, b4=fc00:1:2:3:4:5:0:87 } + { ipv4=193.5.1.100, psid=11, b4=fc00:1:2:3:4:5:0:88 } + { ipv4=193.5.1.100, psid=12, b4=fc00:1:2:3:4:5:0:89 } + { ipv4=193.5.1.100, psid=13, b4=fc00:1:2:3:4:5:0:8a } + { ipv4=193.5.1.100, psid=14, b4=fc00:1:2:3:4:5:0:8b } + { ipv4=193.5.1.100, psid=15, b4=fc00:1:2:3:4:5:0:8c } + { ipv4=193.5.1.100, psid=16, b4=fc00:1:2:3:4:5:0:8d } + { ipv4=193.5.1.100, psid=17, b4=fc00:1:2:3:4:5:0:8e } + { ipv4=193.5.1.100, psid=18, b4=fc00:1:2:3:4:5:0:8f } + { ipv4=193.5.1.100, psid=19, b4=fc00:1:2:3:4:5:0:90 } + { ipv4=193.5.1.100, psid=20, b4=fc00:1:2:3:4:5:0:91 } + { ipv4=193.5.1.100, psid=21, b4=fc00:1:2:3:4:5:0:92 } + { ipv4=193.5.1.100, psid=22, b4=fc00:1:2:3:4:5:0:93 } + { ipv4=193.5.1.100, psid=23, b4=fc00:1:2:3:4:5:0:94 } + { ipv4=193.5.1.100, psid=24, b4=fc00:1:2:3:4:5:0:95 } + { ipv4=193.5.1.100, psid=25, b4=fc00:1:2:3:4:5:0:96 } + { ipv4=193.5.1.100, psid=26, b4=fc00:1:2:3:4:5:0:97 } + { ipv4=193.5.1.100, psid=27, b4=fc00:1:2:3:4:5:0:98 } + { ipv4=193.5.1.100, psid=28, b4=fc00:1:2:3:4:5:0:99 } + { ipv4=193.5.1.100, psid=29, b4=fc00:1:2:3:4:5:0:9a } + { ipv4=193.5.1.100, psid=30, b4=fc00:1:2:3:4:5:0:9b } + { ipv4=193.5.1.100, psid=31, b4=fc00:1:2:3:4:5:0:9c } + { ipv4=193.5.1.100, psid=32, b4=fc00:1:2:3:4:5:0:9d } + { ipv4=193.5.1.100, psid=33, b4=fc00:1:2:3:4:5:0:9e } + { ipv4=193.5.1.100, psid=34, b4=fc00:1:2:3:4:5:0:9f } + { ipv4=193.5.1.100, psid=35, b4=fc00:1:2:3:4:5:0:a0 } + { ipv4=193.5.1.100, psid=36, b4=fc00:1:2:3:4:5:0:a1 } + { ipv4=193.5.1.100, psid=37, b4=fc00:1:2:3:4:5:0:a2 } + { ipv4=193.5.1.100, psid=38, b4=fc00:1:2:3:4:5:0:a3 } + { ipv4=193.5.1.100, psid=39, b4=fc00:1:2:3:4:5:0:a4 } + { ipv4=193.5.1.100, psid=40, b4=fc00:1:2:3:4:5:0:a5 } + { ipv4=193.5.1.100, psid=41, b4=fc00:1:2:3:4:5:0:a6 } + { ipv4=193.5.1.100, psid=42, b4=fc00:1:2:3:4:5:0:a7 } + { ipv4=193.5.1.100, psid=43, b4=fc00:1:2:3:4:5:0:a8 } + { ipv4=193.5.1.100, psid=44, b4=fc00:1:2:3:4:5:0:a9 } + { ipv4=193.5.1.100, psid=45, b4=fc00:1:2:3:4:5:0:aa } + { ipv4=193.5.1.100, psid=46, b4=fc00:1:2:3:4:5:0:ab } + { ipv4=193.5.1.100, psid=47, b4=fc00:1:2:3:4:5:0:ac } + { ipv4=193.5.1.100, psid=48, b4=fc00:1:2:3:4:5:0:ad } + { ipv4=193.5.1.100, psid=49, b4=fc00:1:2:3:4:5:0:ae } + { ipv4=193.5.1.100, psid=50, b4=fc00:1:2:3:4:5:0:af } + { ipv4=193.5.1.100, psid=51, b4=fc00:1:2:3:4:5:0:b0 } + { ipv4=193.5.1.100, psid=52, b4=fc00:1:2:3:4:5:0:b1 } + { ipv4=193.5.1.100, psid=53, b4=fc00:1:2:3:4:5:0:b2 } + { ipv4=193.5.1.100, psid=54, b4=fc00:1:2:3:4:5:0:b3 } + { ipv4=193.5.1.100, psid=55, b4=fc00:1:2:3:4:5:0:b4 } + { ipv4=193.5.1.100, psid=56, b4=fc00:1:2:3:4:5:0:b5 } + { ipv4=193.5.1.100, psid=57, b4=fc00:1:2:3:4:5:0:b6 } + { ipv4=193.5.1.100, psid=58, b4=fc00:1:2:3:4:5:0:b7 } + { ipv4=193.5.1.100, psid=59, b4=fc00:1:2:3:4:5:0:b8 } + { ipv4=193.5.1.100, psid=60, b4=fc00:1:2:3:4:5:0:b9 } + { ipv4=193.5.1.100, psid=61, b4=fc00:1:2:3:4:5:0:ba } + { ipv4=193.5.1.100, psid=62, b4=fc00:1:2:3:4:5:0:bb } + { ipv4=193.5.1.100, psid=63, b4=fc00:1:2:3:4:5:0:bc } + { ipv4=193.5.1.101, psid=1, b4=fc00:1:2:3:4:5:0:bd } + { ipv4=193.5.1.101, psid=2, b4=fc00:1:2:3:4:5:0:be } + { ipv4=193.5.1.101, psid=3, b4=fc00:1:2:3:4:5:0:bf } + { ipv4=193.5.1.101, psid=4, b4=fc00:1:2:3:4:5:0:c0 } + { ipv4=193.5.1.101, psid=5, b4=fc00:1:2:3:4:5:0:c1 } + { ipv4=193.5.1.101, psid=6, b4=fc00:1:2:3:4:5:0:c2 } + { ipv4=193.5.1.101, psid=7, b4=fc00:1:2:3:4:5:0:c3 } + { ipv4=193.5.1.101, psid=8, b4=fc00:1:2:3:4:5:0:c4 } + { ipv4=193.5.1.101, psid=9, b4=fc00:1:2:3:4:5:0:c5 } + { ipv4=193.5.1.101, psid=10, b4=fc00:1:2:3:4:5:0:c6 } + { ipv4=193.5.1.101, psid=11, b4=fc00:1:2:3:4:5:0:c7 } + { ipv4=193.5.1.101, psid=12, b4=fc00:1:2:3:4:5:0:c8 } + { ipv4=193.5.1.101, psid=13, b4=fc00:1:2:3:4:5:0:c9 } + { ipv4=193.5.1.101, psid=14, b4=fc00:1:2:3:4:5:0:ca } + { ipv4=193.5.1.101, psid=15, b4=fc00:1:2:3:4:5:0:cb } + { ipv4=193.5.1.101, psid=16, b4=fc00:1:2:3:4:5:0:cc } + { ipv4=193.5.1.101, psid=17, b4=fc00:1:2:3:4:5:0:cd } + { ipv4=193.5.1.101, psid=18, b4=fc00:1:2:3:4:5:0:ce } + { ipv4=193.5.1.101, psid=19, b4=fc00:1:2:3:4:5:0:cf } + { ipv4=193.5.1.101, psid=20, b4=fc00:1:2:3:4:5:0:d0 } + { ipv4=193.5.1.101, psid=21, b4=fc00:1:2:3:4:5:0:d1 } + { ipv4=193.5.1.101, psid=22, b4=fc00:1:2:3:4:5:0:d2 } + { ipv4=193.5.1.101, psid=23, b4=fc00:1:2:3:4:5:0:d3 } + { ipv4=193.5.1.101, psid=24, b4=fc00:1:2:3:4:5:0:d4 } + { ipv4=193.5.1.101, psid=25, b4=fc00:1:2:3:4:5:0:d5 } + { ipv4=193.5.1.101, psid=26, b4=fc00:1:2:3:4:5:0:d6 } + { ipv4=193.5.1.101, psid=27, b4=fc00:1:2:3:4:5:0:d7 } + { ipv4=193.5.1.101, psid=28, b4=fc00:1:2:3:4:5:0:d8 } + { ipv4=193.5.1.101, psid=29, b4=fc00:1:2:3:4:5:0:d9 } + { ipv4=193.5.1.101, psid=30, b4=fc00:1:2:3:4:5:0:da } + { ipv4=193.5.1.101, psid=31, b4=fc00:1:2:3:4:5:0:db } + { ipv4=193.5.1.101, psid=32, b4=fc00:1:2:3:4:5:0:dc } + { ipv4=193.5.1.101, psid=33, b4=fc00:1:2:3:4:5:0:dd } + { ipv4=193.5.1.101, psid=34, b4=fc00:1:2:3:4:5:0:de } + { ipv4=193.5.1.101, psid=35, b4=fc00:1:2:3:4:5:0:df } + { ipv4=193.5.1.101, psid=36, b4=fc00:1:2:3:4:5:0:e0 } + { ipv4=193.5.1.101, psid=37, b4=fc00:1:2:3:4:5:0:e1 } + { ipv4=193.5.1.101, psid=38, b4=fc00:1:2:3:4:5:0:e2 } + { ipv4=193.5.1.101, psid=39, b4=fc00:1:2:3:4:5:0:e3 } + { ipv4=193.5.1.101, psid=40, b4=fc00:1:2:3:4:5:0:e4 } + { ipv4=193.5.1.101, psid=41, b4=fc00:1:2:3:4:5:0:e5 } + { ipv4=193.5.1.101, psid=42, b4=fc00:1:2:3:4:5:0:e6 } + { ipv4=193.5.1.101, psid=43, b4=fc00:1:2:3:4:5:0:e7 } + { ipv4=193.5.1.101, psid=44, b4=fc00:1:2:3:4:5:0:e8 } + { ipv4=193.5.1.101, psid=45, b4=fc00:1:2:3:4:5:0:e9 } + { ipv4=193.5.1.101, psid=46, b4=fc00:1:2:3:4:5:0:ea } + { ipv4=193.5.1.101, psid=47, b4=fc00:1:2:3:4:5:0:eb } + { ipv4=193.5.1.101, psid=48, b4=fc00:1:2:3:4:5:0:ec } + { ipv4=193.5.1.101, psid=49, b4=fc00:1:2:3:4:5:0:ed } + { ipv4=193.5.1.101, psid=50, b4=fc00:1:2:3:4:5:0:ee } + { ipv4=193.5.1.101, psid=51, b4=fc00:1:2:3:4:5:0:ef } + { ipv4=193.5.1.101, psid=52, b4=fc00:1:2:3:4:5:0:f0 } + { ipv4=193.5.1.101, psid=53, b4=fc00:1:2:3:4:5:0:f1 } + { ipv4=193.5.1.101, psid=54, b4=fc00:1:2:3:4:5:0:f2 } + { ipv4=193.5.1.101, psid=55, b4=fc00:1:2:3:4:5:0:f3 } + { ipv4=193.5.1.101, psid=56, b4=fc00:1:2:3:4:5:0:f4 } + { ipv4=193.5.1.101, psid=57, b4=fc00:1:2:3:4:5:0:f5 } + { ipv4=193.5.1.101, psid=58, b4=fc00:1:2:3:4:5:0:f6 } + { ipv4=193.5.1.101, psid=59, b4=fc00:1:2:3:4:5:0:f7 } + { ipv4=193.5.1.101, psid=60, b4=fc00:1:2:3:4:5:0:f8 } + { ipv4=193.5.1.101, psid=61, b4=fc00:1:2:3:4:5:0:f9 } + { ipv4=193.5.1.101, psid=62, b4=fc00:1:2:3:4:5:0:fa } + { ipv4=193.5.1.101, psid=63, b4=fc00:1:2:3:4:5:0:fb } + { ipv4=193.5.1.102, psid=1, b4=fc00:1:2:3:4:5:0:fc } + { ipv4=193.5.1.102, psid=2, b4=fc00:1:2:3:4:5:0:fd } + { ipv4=193.5.1.102, psid=3, b4=fc00:1:2:3:4:5:0:fe } + { ipv4=193.5.1.102, psid=4, b4=fc00:1:2:3:4:5:0:ff } + { ipv4=193.5.1.102, psid=5, b4=fc00:1:2:3:4:5:0:100 } + { ipv4=193.5.1.102, psid=6, b4=fc00:1:2:3:4:5:0:101 } + { ipv4=193.5.1.102, psid=7, b4=fc00:1:2:3:4:5:0:102 } + { ipv4=193.5.1.102, psid=8, b4=fc00:1:2:3:4:5:0:103 } + { ipv4=193.5.1.102, psid=9, b4=fc00:1:2:3:4:5:0:104 } + { ipv4=193.5.1.102, psid=10, b4=fc00:1:2:3:4:5:0:105 } + { ipv4=193.5.1.102, psid=11, b4=fc00:1:2:3:4:5:0:106 } + { ipv4=193.5.1.102, psid=12, b4=fc00:1:2:3:4:5:0:107 } + { ipv4=193.5.1.102, psid=13, b4=fc00:1:2:3:4:5:0:108 } + { ipv4=193.5.1.102, psid=14, b4=fc00:1:2:3:4:5:0:109 } + { ipv4=193.5.1.102, psid=15, b4=fc00:1:2:3:4:5:0:10a } + { ipv4=193.5.1.102, psid=16, b4=fc00:1:2:3:4:5:0:10b } + { ipv4=193.5.1.102, psid=17, b4=fc00:1:2:3:4:5:0:10c } + { ipv4=193.5.1.102, psid=18, b4=fc00:1:2:3:4:5:0:10d } + { ipv4=193.5.1.102, psid=19, b4=fc00:1:2:3:4:5:0:10e } + { ipv4=193.5.1.102, psid=20, b4=fc00:1:2:3:4:5:0:10f } + { ipv4=193.5.1.102, psid=21, b4=fc00:1:2:3:4:5:0:110 } + { ipv4=193.5.1.102, psid=22, b4=fc00:1:2:3:4:5:0:111 } + { ipv4=193.5.1.102, psid=23, b4=fc00:1:2:3:4:5:0:112 } + { ipv4=193.5.1.102, psid=24, b4=fc00:1:2:3:4:5:0:113 } + { ipv4=193.5.1.102, psid=25, b4=fc00:1:2:3:4:5:0:114 } + { ipv4=193.5.1.102, psid=26, b4=fc00:1:2:3:4:5:0:115 } + { ipv4=193.5.1.102, psid=27, b4=fc00:1:2:3:4:5:0:116 } + { ipv4=193.5.1.102, psid=28, b4=fc00:1:2:3:4:5:0:117 } + { ipv4=193.5.1.102, psid=29, b4=fc00:1:2:3:4:5:0:118 } + { ipv4=193.5.1.102, psid=30, b4=fc00:1:2:3:4:5:0:119 } + { ipv4=193.5.1.102, psid=31, b4=fc00:1:2:3:4:5:0:11a } + { ipv4=193.5.1.102, psid=32, b4=fc00:1:2:3:4:5:0:11b } + { ipv4=193.5.1.102, psid=33, b4=fc00:1:2:3:4:5:0:11c } + { ipv4=193.5.1.102, psid=34, b4=fc00:1:2:3:4:5:0:11d } + { ipv4=193.5.1.102, psid=35, b4=fc00:1:2:3:4:5:0:11e } + { ipv4=193.5.1.102, psid=36, b4=fc00:1:2:3:4:5:0:11f } + { ipv4=193.5.1.102, psid=37, b4=fc00:1:2:3:4:5:0:120 } + { ipv4=193.5.1.102, psid=38, b4=fc00:1:2:3:4:5:0:121 } + { ipv4=193.5.1.102, psid=39, b4=fc00:1:2:3:4:5:0:122 } + { ipv4=193.5.1.102, psid=40, b4=fc00:1:2:3:4:5:0:123 } + { ipv4=193.5.1.102, psid=41, b4=fc00:1:2:3:4:5:0:124 } + { ipv4=193.5.1.102, psid=42, b4=fc00:1:2:3:4:5:0:125 } + { ipv4=193.5.1.102, psid=43, b4=fc00:1:2:3:4:5:0:126 } + { ipv4=193.5.1.102, psid=44, b4=fc00:1:2:3:4:5:0:127 } + { ipv4=193.5.1.102, psid=45, b4=fc00:1:2:3:4:5:0:128 } + { ipv4=193.5.1.102, psid=46, b4=fc00:1:2:3:4:5:0:129 } + { ipv4=193.5.1.102, psid=47, b4=fc00:1:2:3:4:5:0:12a } + { ipv4=193.5.1.102, psid=48, b4=fc00:1:2:3:4:5:0:12b } + { ipv4=193.5.1.102, psid=49, b4=fc00:1:2:3:4:5:0:12c } + { ipv4=193.5.1.102, psid=50, b4=fc00:1:2:3:4:5:0:12d } + { ipv4=193.5.1.102, psid=51, b4=fc00:1:2:3:4:5:0:12e } + { ipv4=193.5.1.102, psid=52, b4=fc00:1:2:3:4:5:0:12f } + { ipv4=193.5.1.102, psid=53, b4=fc00:1:2:3:4:5:0:130 } + { ipv4=193.5.1.102, psid=54, b4=fc00:1:2:3:4:5:0:131 } + { ipv4=193.5.1.102, psid=55, b4=fc00:1:2:3:4:5:0:132 } + { ipv4=193.5.1.102, psid=56, b4=fc00:1:2:3:4:5:0:133 } + { ipv4=193.5.1.102, psid=57, b4=fc00:1:2:3:4:5:0:134 } + { ipv4=193.5.1.102, psid=58, b4=fc00:1:2:3:4:5:0:135 } + { ipv4=193.5.1.102, psid=59, b4=fc00:1:2:3:4:5:0:136 } + { ipv4=193.5.1.102, psid=60, b4=fc00:1:2:3:4:5:0:137 } + { ipv4=193.5.1.102, psid=61, b4=fc00:1:2:3:4:5:0:138 } + { ipv4=193.5.1.102, psid=62, b4=fc00:1:2:3:4:5:0:139 } + { ipv4=193.5.1.102, psid=63, b4=fc00:1:2:3:4:5:0:13a } } diff --git a/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.cfg b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.cfg new file mode 100644 index 0000000000..37947d601b --- /dev/null +++ b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.cfg @@ -0,0 +1,20 @@ +return { + lwaftr = "snabbvmx-lwaftr-xe0.conf", + ipv6_interface = { + ipv6_address = "fc00::100", + cache_refresh_interval = 1, + mtu = 9500, + }, + ipv4_interface = { + ipv4_address = "10.0.1.1", + cache_refresh_interval = 1, + mtu = 1460, + }, + settings = { + vlan = false, + ingress_drop_monitor = 'flush', + ingress_drop_threshhold = 100000, + ingress_drop_wait = 15, + ingress_drop_interval = 1e8, + }, +} diff --git a/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.conf b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.conf new file mode 100644 index 0000000000..9712612c79 --- /dev/null +++ b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.conf @@ -0,0 +1,16 @@ +binding_table = binding_table.txt, +vlan_tagging = false, +aftr_ipv6_ip = fc00::100, +aftr_mac_inet_side = 02:AA:AA:AA:AA:AA, +inet_mac = 02:99:99:99:99:99, +ipv6_mtu = 9500, +policy_icmpv6_incoming = DROP, +policy_icmpv6_outgoing = DROP, +icmpv6_rate_limiter_n_packets = 6e5, +icmpv6_rate_limiter_n_seconds = 2, +aftr_ipv4_ip = 10.0.1.1, +aftr_mac_b4_side = 02:AA:AA:AA:AA:AA, +next_hop6_mac = 02:99:99:99:99:99, +ipv4_mtu = 1460, +policy_icmpv4_incoming = DROP, +policy_icmpv4_outgoing = DROP, diff --git a/src/program/snabbvmx/tests/pcap/input/v4v6-256.pcap b/src/program/snabbvmx/tests/pcap/input/v4v6-256.pcap new file mode 100644 index 0000000000000000000000000000000000000000..7c0e20e2514965ddf7dd4f026f3acabad9c9276d GIT binary patch literal 144920 zcmeIyL2TXw7zXg~tFKA(Wy!W=haPs=VUZnn=wXK~*ilU<^ilQir3a!hQH*dE0xxUZyPnz_3^Z&l&dGgCQ zcKXzbibAPy?kN?D=R)Dqio*YY6(^UTisMVqk+XG$;%srY^zTAp@#TubC5vBBx%iJ&214ibyAZ~i7f=Fxjmw$UTW;f=`y6| zj)TQzHFo558B%jRqUM0qq*G!GL2B-ds5vM#cI0#!Qgc^C%^|5t zr^FV5)U-#`9F`h8a=HwuxjUk!L2A+|v4tQt_e9h*N{t;kU53=$8&T6FHR+VtLXet{ 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++++++++++++++ .../snabbvmx/tests/test_env/test_env.sh | 101 ++++++++++++++++++ 2 files changed, 183 insertions(+) create mode 100755 src/program/snabbvmx/tests/nexthop/selftest.sh create mode 100755 src/program/snabbvmx/tests/test_env/test_env.sh diff --git a/src/program/snabbvmx/tests/nexthop/selftest.sh b/src/program/snabbvmx/tests/nexthop/selftest.sh new file mode 100755 index 0000000000..b98da7f712 --- /dev/null +++ b/src/program/snabbvmx/tests/nexthop/selftest.sh @@ -0,0 +1,82 @@ +#!/usr/bin/env bash + +if [[ $EUID != 0 ]]; then + echo "This script must be run as root" + exit 1 +fi + +if [[ -z "$SNABB_PCI0" ]]; then + echo "Skip test: SNABB_PCI0 not defined" + exit $SKIPPED_CODE +fi + +if [[ -z "$SNABB_PCI1" ]]; then + echo "Skip test: SNABB_PCI1 not defined" + exit $SKIPPED_CODE +fi + +# Load environment settings. +source program/snabbvmx/tests/test_env/test_env.sh + +function quit_screens { + screens=$(screen -ls | egrep -o "[0-9]+\." | sed 's/\.//') + for each in $screens; do + if [[ "$each" > 0 ]]; then + screen -S $each -X quit + fi + done +} + +function cleanup { + quit_screens + kill $snabbvmx_pid $packetblaster_pid + exit 0 +} + +trap cleanup EXIT HUP INT QUIT TERM + +# Override settings. +SNABBVMX_CONF=$SNABBVMX_DIR/tests/conf/snabbvmx-lwaftr-xe0.cfg +TARGET_MAC_INET=02:99:99:99:99:99 +TARGET_MAC_B4=02:99:99:99:99:99 + +# Clean up log file. +rm -f $SNABBVMX_LOG + +# Run SnabbVMX. +./snabb snabbvmx lwaftr --conf $SNABBVMX_CONF --id $SNABBVMX_ID \ + --pci $SNABB_PCI0 --mac $MAC_ADDRESS_NET0 --sock $VHU_SOCK0 &>> $SNABBVMX_LOG & +snabbvmx_pid=$! + +# Run QEMU. +start_test_env &>> $SNABBVMX_LOG + +# Flush lwAFTR packets to SnabbVMX. +./snabb packetblaster replay -D 10 $PCAP_INPUT/v4v6-256.pcap $SNABB_PCI1 &>> $SNABBVMX_LOG & +packetblaster_pid=$! + +# Query nexthop for 10 seconds. +TIMEOUT=10 +count=0 +while true; do + output=`./snabb lwaftr nexthop | egrep -o "[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+"` + mac_v4=`echo "$output" | head -1` + # FIXME: returned next_hop_v6_mac value includes some garbage on the first two bytes. + mac_v6=`echo "$output" | tail -1` + + if [[ "$mac_v4" == "02:99:99:99:99:99" ]]; then + echo "Resolved MAC inet side: $mac_v4 [OK]" + break + fi + + if [[ $count == $TIMEOUT ]]; then + break + fi + count=$((count + 1)) + sleep 1 +done + +if [[ $count == $TIMEOUT ]]; then + echo "Couldn't resolve nexthop" + exit 1 +fi diff --git a/src/program/snabbvmx/tests/test_env/test_env.sh b/src/program/snabbvmx/tests/test_env/test_env.sh new file mode 100755 index 0000000000..b6db0aab90 --- /dev/null +++ b/src/program/snabbvmx/tests/test_env/test_env.sh @@ -0,0 +1,101 @@ +#!/usr/bin/env bash + +SKIPPED_CODE=43 + +if [[ $EUID != 0 ]]; then + echo "This script must be run as root" + exit 1 +fi + +export LWAFTR_IPV6_ADDRESS=fc00::100/64 +export LWAFTR_IPV4_ADDRESS=10.0.1.1/24 +export BZ_IMAGE="$HOME/.test_env/bzImage" +export HUGEPAGES_FS=/dev/hugepages +export IMAGE="$HOME/.test_env/qemu.img" +export MAC_ADDRESS_NET0="02:AA:AA:AA:AA:AA" +export MEM=1024M +export MIRROR_TAP=tap0 +export SNABBVMX_DIR=program/snabbvmx +export PCAP_INPUT=$SNABBVMX_DIR/tests/pcap/input +export PCAP_OUTPUT=$SNABBVMX_DIR/tests/pcap/output +export SNABBVMX_CONF=$SNABBVMX_DIR/tests/conf/snabbvmx-lwaftr-vlan.cfg +export TCPREPLAY_SCRIPT=$SNABBVMX_DIR/tests/scripts/tcpreplay.lua +export SNABBVMX_ID=xe1 +export SNABB_TELNET0=5000 +export VHU_SOCK0=/tmp/vh1a.sock +export SNABBVMX_LOG=snabbvmx.log + +# Usage: run_telnet [] +# Runs on VM listening on telnet . Waits seconds +# for before closing connection. The default of is 2. +function run_telnet { + (echo "$2"; sleep ${3:-2}) \ + | telnet localhost $1 2>&1 +} + +# Usage: wait_vm_up +# Blocks until ping to 0::0 suceeds. +function wait_vm_up { + local timeout_counter=0 + local timeout_max=50 + echo -n "Waiting for VM listening on telnet port $1 to get ready..." + while ( ! (run_telnet $1 "ping6 -c 1 0::0" | grep "1 received" \ + >/dev/null) ); do + # Time out eventually. + if [ $timeout_counter -gt $timeout_max ]; then + echo " [TIMEOUT]" + exit 1 + fi + timeout_counter=$(expr $timeout_counter + 1) + sleep 2 + done + echo " [OK]" +} + +# TODO: Use standard launch_qemu command. +function qemu_cmd { + echo "qemu-system-x86_64 \ + -kernel ${BZ_IMAGE} -append \"earlyprintk root=/dev/vda rw console=tty0\" \ + -enable-kvm -drive format=raw,if=virtio,file=${IMAGE} \ + -M pc -smp 1 -cpu host -m ${MEM} \ + -object memory-backend-file,id=mem,size=${MEM},mem-path=${HUGEPAGES_FS},share=on \ + -numa node,memdev=mem \ + -chardev socket,id=char1,path=${VHU_SOCK0},server \ + -netdev type=vhost-user,id=net0,chardev=char1 \ + -device virtio-net-pci,netdev=net0,addr=0x8,mac=${MAC_ADDRESS_NET0} \ + -serial telnet:localhost:${SNABB_TELNET0},server,nowait \ + -display none" +} + +function run_cmd_in_screen { screen_id=$1; cmd=$2 + screen_id="${screen_id}-$$" + screen -dmS "$screen_id" bash -c "$cmd >> $SNABBVMX_LOG" +} + +function qemu { + run_cmd_in_screen "qemu" "`qemu_cmd`" +} + +function start_test_env { + if [[ ! -f "$IMAGE" ]]; then + echo "Couldn't find QEMU image: $IMAGE" + exit $SKIPPED_CODE + fi + + # Run qemu. + qemu + + # Wait until VMs are ready. + wait_vm_up $SNABB_TELNET0 + + # Manually set ip addresses. + run_telnet $SNABB_TELNET0 "ifconfig eth0 up" >/dev/null + run_telnet $SNABB_TELNET0 "ip -6 addr add $LWAFTR_IPV6_ADDRESS dev eth0" >/dev/null + run_telnet $SNABB_TELNET0 "ip addr add $LWAFTR_IPV4_ADDRESS dev eth0" >/dev/null + run_telnet $SNABB_TELNET0 "ip neigh add 10.0.1.100 lladdr 02:99:99:99:99:99 dev eth0" >/dev/null + run_telnet $SNABB_TELNET0 "ip -6 neigh add fc00::1 lladdr 02:99:99:99:99:99 dev eth0" >/dev/null + run_telnet $SNABB_TELNET0 "route add default gw 10.0.1.100 eth0" >/dev/null + run_telnet $SNABB_TELNET0 "route -6 add default gw fc00::1 eth0" >/dev/null + run_telnet $SNABB_TELNET0 "sysctl -w net.ipv4.conf.all.forwarding=1" >/dev/null + run_telnet $SNABB_TELNET0 "sysctl -w net.ipv6.conf.all.forwarding=1" >/dev/null +} From 1194c25bca3c30bcdf69d44cfb9e6ab51cef3900 Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Thu, 8 Sep 2016 14:21:40 +0200 Subject: [PATCH 216/340] ok to have no v4/v6 input/output ports in passthru mode --- src/program/snabbvmx/lwaftr/setup.lua | 1 - 1 file changed, 1 deletion(-) diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index 93b5cd9478..fa4cf0666d 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -172,7 +172,6 @@ function lwaftr_app(c, conf, lwconf, sock_path) v4_input, v6_input = "nic_v4v6.v4", "nic_v4v6.v6" end end - assert(v4_input and v6_input and v4_output and v6_output) if conf.ipv6_interface then conf.ipv6_interface.mac_address = conf.interface.mac_address From 24e41f7e38d2e87030c533aa132c6c89cbab2801 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 8 Sep 2016 14:25:22 +0000 Subject: [PATCH 217/340] Remove unused app 'Repeater' --- src/apps/nh_fwd/nh_fwd.lua | 8 -------- 1 file changed, 8 deletions(-) diff --git a/src/apps/nh_fwd/nh_fwd.lua b/src/apps/nh_fwd/nh_fwd.lua index 0c4528c329..fd402d6326 100644 --- a/src/apps/nh_fwd/nh_fwd.lua +++ b/src/apps/nh_fwd/nh_fwd.lua @@ -346,7 +346,6 @@ end local function test_ipv4_wire_to_vm_and_service (pkts) local c = config.new() config.app(c, 'source', basic_apps.Join) - config.app(c, 'repeater', basic_apps.Repeater) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd4, { mac_address = "52:54:00:00:00:01", @@ -369,7 +368,6 @@ local function test_ipv4_vm_to_service_and_wire(pkts) engine.configure(config.new()) -- Clean up engine. local c = config.new() config.app(c, 'source', basic_apps.Join) - config.app(c, 'repeater', basic_apps.Repeater) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd4, { mac_address = "52:54:00:00:00:01", @@ -391,7 +389,6 @@ end local function test_ipv4_service_to_wire (pkts) local c = config.new() config.app(c, 'source', basic_apps.Join) - config.app(c, 'repeater', basic_apps.Repeater) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd4, { mac_address = "52:54:00:00:00:01", @@ -412,7 +409,6 @@ end local function test_ipv4_service_to_vm (pkts) local c = config.new() config.app(c, 'source', basic_apps.Join) - config.app(c, 'repeater', basic_apps.Repeater) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd4, { mac_address = "52:54:00:00:00:01", @@ -459,7 +455,6 @@ end local function test_ipv6_wire_to_vm_and_service (pkts) local c = config.new() config.app(c, 'source', basic_apps.Join) - config.app(c, 'repeater', basic_apps.Repeater) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd6, { mac_address = "52:54:00:00:00:01", @@ -482,7 +477,6 @@ local function test_ipv6_vm_to_service_and_wire(pkts) engine.configure(config.new()) -- Clean up engine. local c = config.new() config.app(c, 'source', basic_apps.Join) - config.app(c, 'repeater', basic_apps.Repeater) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd6, { mac_address = "52:54:00:00:00:01", @@ -504,7 +498,6 @@ end local function test_ipv6_service_to_wire (pkts) local c = config.new() config.app(c, 'source', basic_apps.Join) - config.app(c, 'repeater', basic_apps.Repeater) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd6, { mac_address = "52:54:00:00:00:01", @@ -525,7 +518,6 @@ end local function test_ipv6_service_to_vm (pkts) local c = config.new() config.app(c, 'source', basic_apps.Join) - config.app(c, 'repeater', basic_apps.Repeater) config.app(c, 'sink', basic_apps.Sink) config.app(c, 'nh_fwd', nh_fwd6, { mac_address = "52:54:00:00:00:01", From 91c5bdc246fdaec53d36f908dad06b194cd88f31 Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Sat, 10 Sep 2016 10:30:56 +0200 Subject: [PATCH 218/340] sanitize xml tags and include links pci and engine stats --- src/program/snabbvmx/query/README.md | 11 + src/program/snabbvmx/query/example1.xml | 247 ++++++++++++ src/program/snabbvmx/query/example2.xml | 474 ++++++++++++++++++++++++ src/program/snabbvmx/query/query.lua | 110 +++--- 4 files changed, 797 insertions(+), 45 deletions(-) create mode 100644 src/program/snabbvmx/query/README.md create mode 100644 src/program/snabbvmx/query/example1.xml create mode 100644 src/program/snabbvmx/query/example2.xml diff --git a/src/program/snabbvmx/query/README.md b/src/program/snabbvmx/query/README.md new file mode 100644 index 0000000000..d0dc03f519 --- /dev/null +++ b/src/program/snabbvmx/query/README.md @@ -0,0 +1,11 @@ +## snabb snabbvmx query + +This command scans all running snabbvmx instances and dumps their operational data found into +a XML structure for post processing. + + +``` +$ snabb snabbvmx query +``` + +Example output for a single snabbvmx instance driving one 10GE port can be found in [example1.xml](example1.xml) and another example showing two instances driving linux interfaces in [example2.xml](example2.xml). diff --git a/src/program/snabbvmx/query/example1.xml b/src/program/snabbvmx/query/example1.xml new file mode 100644 index 0000000000..22a2ff0eb6 --- /dev/null +++ b/src/program/snabbvmx/query/example1.xml @@ -0,0 +1,247 @@ + + + xe0 + 544 + 02:02:02:02:02:02 + 02:02:02:02:02:02 + 0.0.0.0 + + 3824938500 + 1 + 88655384016 + 10820750769 + 29019137 + + + <_0000-05-00.0> + 1473479594 + 0 + 9500 + 1 + 0 + 10991753416 + 147538 + 0 + 0 + 29166126 + 10000000000 + 1 + 0 + 10936750183 + 0 + 0 + 509 + 29018980 + + + + + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 5121043048 + 0 + 0 + 0 + 14509956 + 5699485594 + 0 + 0 + 0 + 14508632 + 114681497770 + 0 + 0 + 0 + 0 + 0 + 0 + 5119140314 + 0 + 0 + 14508632 + 5701441288 + 0 + 0 + 14509956 + + + + + 1473479594 + 5701441288 + 14509956 + 5701441288 + 0 + 14509956 + + + 1473479594 + 17380 + 20 + 17380 + 0 + 20 + + + 1473479594 + 9926 + 10 + 9926 + 0 + 10 + + + 1473479594 + 0 + 0 + 0 + 0 + 0 + + + 1473479594 + 5119140314 + 14508632 + 5119140314 + 0 + 14508632 + + + 1473479594 + 5121043048 + 14509956 + 5121043048 + 0 + 14509956 + + + 1473479594 + 5699485594 + 14508632 + 5699485594 + 0 + 14508632 + + + 1473479594 + 9926 + 10 + 9926 + 0 + 10 + + + 1473479594 + 5701553603 + 14510406 + 5701553603 + 0 + 14510406 + + + 1473479594 + 5699485594 + 14508632 + 5699485594 + 0 + 14508632 + + + 1473479594 + 151787 + 529 + 151787 + 0 + 529 + + + 1473479594 + 141861 + 519 + 141861 + 0 + 519 + + + 1473479594 + 5121043048 + 14509956 + 5121043048 + 0 + 14509956 + + + 1473479594 + 10820528642 + 29018588 + 10820528642 + 0 + 29018588 + + + 1473479594 + 10820674263 + 29018980 + 10820674263 + 0 + 29018980 + + + 1473479594 + 5119120660 + 14508574 + 5119120660 + 0 + 14508574 + + + 1473479594 + 7454 + 10 + 7454 + 0 + 10 + + + + diff --git a/src/program/snabbvmx/query/example2.xml b/src/program/snabbvmx/query/example2.xml new file mode 100644 index 0000000000..1b3d8faaca --- /dev/null +++ b/src/program/snabbvmx/query/example2.xml @@ -0,0 +1,474 @@ + + + xe0 + 471 + 00:00:00:00:00:00 + 00:00:00:00:00:00 + 0.0.0.0 + + 11641763600 + 1 + 5995328 + 720776 + 3128 + + + + + + 1473423878 + 0 + 21516 + 0 + 292 + 61 + 699260 + 2607 + 2836 + + + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + + + + + 1473423878 + 0 + 0 + 0 + 0 + 0 + + + 1473423878 + 21516 + 292 + 21516 + 0 + 292 + + + 1473423878 + 2562 + 61 + 2562 + 0 + 61 + + + 1473423878 + 0 + 0 + 0 + 0 + 0 + + + 1473423878 + 0 + 0 + 0 + 0 + 0 + + + 1473423878 + 0 + 0 + 0 + 0 + 0 + + + 1473423878 + 18954 + 231 + 18954 + 0 + 231 + + + 1473423878 + 2562 + 61 + 2562 + 0 + 61 + + + 1473423878 + 696698 + 2775 + 696698 + 0 + 2775 + + + 1473423878 + 0 + 0 + 0 + 0 + 0 + + + 1473423878 + 699260 + 2836 + 699260 + 0 + 2836 + + + 1473423878 + 696698 + 2775 + 696698 + 0 + 2775 + + + 1473423878 + 2562 + 61 + 2562 + 0 + 61 + + + 1473423878 + 21516 + 292 + 21516 + 0 + 292 + + + 1473423878 + 699260 + 2836 + 699260 + 0 + 2836 + + + 1473423878 + 2562 + 61 + 2562 + 0 + 61 + + + 1473423878 + 18954 + 231 + 18954 + 0 + 231 + + + + + xe1 + 476 + 00:00:00:00:00:00 + 00:00:00:00:00:00 + 0.0.0.0 + + 9917981400 + 1 + 5994008 + 720641 + 3125 + + + + + + 1473423880 + 0 + 21432 + 0 + 290 + 59 + 699209 + 2606 + 2835 + + + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + + + + + 1473423880 + 2478 + 59 + 2478 + 0 + 59 + + + 1473423880 + 699209 + 2835 + 699209 + 0 + 2835 + + + 1473423880 + 0 + 0 + 0 + 0 + 0 + + + 1473423880 + 0 + 0 + 0 + 0 + 0 + + + 1473423880 + 2478 + 59 + 2478 + 0 + 59 + + + 1473423880 + 18954 + 231 + 18954 + 0 + 231 + + + 1473423880 + 21432 + 290 + 21432 + 0 + 290 + + + 1473423880 + 696731 + 2776 + 696731 + 0 + 2776 + + + 1473423880 + 0 + 0 + 0 + 0 + 0 + + + 1473423880 + 0 + 0 + 0 + 0 + 0 + + + 1473423880 + 699209 + 2835 + 699209 + 0 + 2835 + + + 1473423880 + 696731 + 2776 + 696731 + 0 + 2776 + + + 1473423880 + 2478 + 59 + 2478 + 0 + 59 + + + 1473423880 + 0 + 0 + 0 + 0 + 0 + + + 1473423880 + 21432 + 290 + 21432 + 0 + 290 + + + 1473423880 + 2478 + 59 + 2478 + 0 + 59 + + + 1473423880 + 18954 + 231 + 18954 + 0 + 231 + + + + diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua index b66464d1be..3be69a24ea 100644 --- a/src/program/snabbvmx/query/query.lua +++ b/src/program/snabbvmx/query/query.lua @@ -6,11 +6,9 @@ local ffi = require("ffi") local lib = require("core.lib") local ipv4 = require("lib.protocol.ipv4") local ethernet = require("lib.protocol.ethernet") -local lwaftr = require("apps.lwaftr.lwaftr") local lwtypes = require("apps.lwaftr.lwtypes") local lwutil = require("apps.lwaftr.lwutil") local shm = require("core.shm") -local top = require("program.top.top") local keys = lwutil.keys @@ -18,7 +16,7 @@ local macaddress_t = ffi.typeof[[ struct { uint8_t ether[6]; } ]] -function show_usage (code) +local function show_usage (code) print(require("program.lwaftr.query.README_inc")) main.exit(code) end @@ -28,7 +26,7 @@ local function sort (t) return t end -function parse_args (raw_args) +local function parse_args (raw_args) local handlers = {} function handlers.h() show_usage(0) end local args = lib.dogetopt(raw_args, handlers, "h", @@ -37,80 +35,102 @@ function parse_args (raw_args) return nil end -local function read_apps_counters (tree, app_name) +local function read_counters (tree, app_name) local ret = {} local cnt, cnt_path, value - local counters_path = "/" .. tree .. "/apps/" .. app_name .. "/" + local counters_path = "/" .. tree .. "/" .. app_name .. "/" local counters = shm.children(counters_path) for _, name in ipairs(counters) do cnt_path = counters_path .. name - cnt = counter.open(cnt_path, 'readonly') - value = tonumber(counter.read(cnt)) - name = name:gsub(".counter$", "") - ret[name] = value + if string.match(cnt_path, ".counter") then + cnt = counter.open(cnt_path, 'readonly') + value = tonumber(counter.read(cnt)) + name = name:gsub(".counter$", "") + ret[name] = value + end end return ret end -local function print_counter (name, value) - print((" <%s>%d"):format(name, value, name)) -end - -- TODO: Refactor to a general common purpose library. local function file_exists(path) local stat = S.stat(path) return stat and stat.isreg end -function print_next_hop (pid, name) +local function print_next_hop (pid, name) local next_hop_mac = "/" .. pid .. "/" .. name if file_exists(shm.root .. next_hop_mac) then local nh = shm.open(next_hop_mac, macaddress_t, "readonly") - print((" <%s>%s"):format(name, ethernet:ntop(nh.ether), name)) + print((" <%s>%s"):format(name, ethernet:ntop(nh.ether), name)) end end -function print_monitor (pid) +local function print_monitor (pid) local path = "/" .. pid .. "/v4v6_mirror" if file_exists(shm.root .. path) then local ipv4_address = shm.open(path, "struct { uint32_t ipv4; }", "readonly") - print((" <%s>%s"):format("monitor", ipv4:ntop(ipv4_address), "monitor")) + print((" <%s>%s"):format("monitor", ipv4:ntop(ipv4_address), "monitor")) end end -function print_apps_counters (tree) - local apps_path = "/" .. tree .. "/apps" - local apps = shm.children(apps_path) - for _, app_name in ipairs(apps) do - print((" <%s>"):format(app_name)) - -- Open, read and print whatever counters are in that directory. - local counters = read_apps_counters(tree, app_name) - for _, name in ipairs(sort(keys(counters))) do - local value = counters[name] - print_counter(name, value) - end - print((" "):format(app_name)) - end +local function print_counters (pid, dir) + local apps_path = "/" .. pid .. "/" .. dir + local apps + print((" <%s>"):format(dir)) + if dir == "engine" then + -- Open, read and print whatever counters are in that directory. + local counters = read_counters(pid, dir) + for _, name in ipairs(sort(keys(counters))) do + local value = counters[name] + print((" <%s>%d"):format(name, value, name)) + end + else + apps = shm.children(apps_path) + for _, app_name in ipairs(apps) do + local sanitized_name = string.gsub(app_name, "[ >:]", "-") + if (string.find(sanitized_name, "^[0-9]")) then + sanitized_name = "_" .. sanitized_name + end + print((" <%s>"):format(sanitized_name)) + -- Open, read and print whatever counters are in that directory. + local counters = read_counters(pid .. "/" .. dir, app_name) + for _, name in ipairs(sort(keys(counters))) do + local value = counters[name] + print((" <%s>%d"):format(name, value, name)) + end + print((" "):format(sanitized_name)) + end + end + print((" "):format(dir)) end function run (raw_args) parse_args(raw_args) print("") + local pids = {} for _, pid in ipairs(shm.children("/")) do - if shm.exists("/"..pid.."/nic/id") then - local lwaftr_id = shm.open("/"..pid.."/nic/id", lwtypes.lwaftr_id_type) - local instance_id = ffi.string(lwaftr_id.value) - if instance_id then - print(" ") - print((" %s"):format(instance_id)) - print((" %d"):format(pid)) - print_next_hop(pid, "next_hop_mac_v4") - print_next_hop(pid, "next_hop_mac_v6") - print_monitor(pid) - print_apps_counters(pid) - print(" ") - end - end + if shm.exists("/"..pid.."/nic/id") then + local lwaftr_id = shm.open("/"..pid.."/nic/id", lwtypes.lwaftr_id_type) + local instance_id = ffi.string(lwaftr_id.value) + if instance_id then + pids[instance_id] = pid + end + end + end + for _, instance_id in ipairs(sort(keys(pids))) do + local pid = pids[instance_id] + print(" ") + print((" %s"):format(instance_id)) + print((" %d"):format(pid)) + print_next_hop(pid, "next_hop_mac_v4") + print_next_hop(pid, "next_hop_mac_v6") + print_monitor(pid) + print_counters(pid, "engine") + print_counters(pid, "pci") + print_counters(pid, "apps") + print_counters(pid, "links") + print(" ") end print("") end From 07426fe3f2f6a7bd8168226d762932cabe0543bb Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 8 Sep 2016 18:15:29 +0000 Subject: [PATCH 219/340] Append .counter suffix if necessary --- src/lib/timers/ingress_drop_monitor.lua | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/lib/timers/ingress_drop_monitor.lua b/src/lib/timers/ingress_drop_monitor.lua index 708338d397..9f3778b451 100644 --- a/src/lib/timers/ingress_drop_monitor.lua +++ b/src/lib/timers/ingress_drop_monitor.lua @@ -24,6 +24,9 @@ function new(args) current_value = ffi.new('uint64_t[1]') } if args.counter then + if not args.counter:match(".counter$") then + args.counter = args.counter..".counter" + end if not shm.exists("/"..S.getpid().."/"..args.counter) then ret.counter = counter.create(args.counter, 0) else From fb2fc132b2a913e99094f4a79c7c0480c7866776 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 8 Sep 2016 14:50:46 +0000 Subject: [PATCH 220/340] Import snabbvmx top --- src/program/snabbvmx/top/README | 29 +++++ src/program/snabbvmx/top/README.inc | 1 + src/program/snabbvmx/top/top.lua | 179 ++++++++++++++++++++++++++++ src/program/snabbvmx/top/util.lua | 48 ++++++++ 4 files changed, 257 insertions(+) create mode 100644 src/program/snabbvmx/top/README create mode 120000 src/program/snabbvmx/top/README.inc create mode 100644 src/program/snabbvmx/top/top.lua create mode 100644 src/program/snabbvmx/top/util.lua diff --git a/src/program/snabbvmx/top/README b/src/program/snabbvmx/top/README new file mode 100644 index 0000000000..89b97a7d32 --- /dev/null +++ b/src/program/snabbvmx/top/README @@ -0,0 +1,29 @@ +Usage: + top [OPTIONS] [] + + -h, --help + Print usage information. + +Display realtime lwaftr statistics for a running lwaftr Snabb Switch +instance with . If is not supplied and there is only one Snabb +Switch instance, top will connect to that instance. + +Example output: + + lwaftr (rx/tx/txdrop in Mpps) rx tx rxGb txGb txdrop + lwaftr_v6 0.00 3.16 0.00 3.59 0.00 + lwaftr_v4 3.16 0.00 2.58 0.00 0.00 + + Total per second + lwaftr_v6 rcvdPacket 0 0 + lwaftr_v6 sentPacket 1507819107 3161600 + lwaftr_v6 rcvdByte 0 0 + lwaftr_v6 sentByte 214110313194 448947200 + lwaftr_v6 droppedPacket 0 0 + + Total per second + lwaftr_v4 rcvdPacket 1507819107 3161600 + lwaftr_v4 sentPacket 0 0 + lwaftr_v4 rcvdByte 153797548914 322483200 + lwaftr_v4 sentByte 0 0 + lwaftr_v4 droppedPacket 0 0 diff --git a/src/program/snabbvmx/top/README.inc b/src/program/snabbvmx/top/README.inc new file mode 120000 index 0000000000..100b93820a --- /dev/null +++ b/src/program/snabbvmx/top/README.inc @@ -0,0 +1 @@ +README \ No newline at end of file diff --git a/src/program/snabbvmx/top/top.lua b/src/program/snabbvmx/top/top.lua new file mode 100644 index 0000000000..a9d1a537e5 --- /dev/null +++ b/src/program/snabbvmx/top/top.lua @@ -0,0 +1,179 @@ +module(..., package.seeall) + +local ffi = require("ffi") +local C = ffi.C +local lib = require("core.lib") +local shm = require("core.shm") +local syscall = require("syscall") +local counter = require("core.counter") +local S = require("syscall") +local usage = require("program.snabbvmx.top.README_inc") + +local long_opts = { + help = "h" +} + +local ifInDiscards_start + +function clearterm () io.write('\027[2J') end + +function run (args) + local opt = {} + function opt.h (arg) print(usage) main.exit(1) end + args = lib.dogetopt(args, opt, "h", long_opts) + + if #args > 1 then print(usage) main.exit(1) end + local target_pid = args[1] + + -- Unlink stale snabb resources. + for _, pid in ipairs(shm.children("//")) do + if not syscall.kill(tonumber(pid), 0) then + shm.unlink("//"..pid) + end + end + + local instance_tree = "//"..(select_snabb_instance(target_pid)) + local counters = open_counters(instance_tree) + local configs = 0 + local last_stats = nil + local last_time = nil + while (true) do + local new_stats = get_stats(counters) + local time = tonumber(C.get_time_ns()) + if last_stats then + clearterm() + print_lwaftr_metrics(new_stats, last_stats, (time - last_time)/1000) + io.flush() + end + last_stats = new_stats + last_time = time + C.sleep(1) + end +end + +function select_snabb_instance (pid) + local instances = shm.children("//") + if pid then + -- Try to use given pid + for _, instance in ipairs(instances) do + if instance == pid then return pid end + end + print("No such Snabb Switch instance: "..pid) + elseif #instances == 2 then + -- Two means one is us, so we pick the other. + local own_pid = tostring(S.getpid()) + if instances[1] == own_pid then return instances[2] + else return instances[1] end + elseif #instances == 1 then print("No Snabb Switch instance found.") + else print("Multple Snabb Switch instances found. Select one.") end + os.exit(1) +end + +function open_counters (tree) + local counters = {} + counters.lwaftr = {} + for _,lwaftrspec in pairs({"lwaftr_v6", "lwaftr_v4", "nic"}) do + counters.lwaftr[lwaftrspec] = {} + if lwaftrspec == "nic" then + name = "ifInDiscards" + counters.lwaftr[lwaftrspec][name] = + counter.open(tree .. "/nic/ifInDiscards", 'readonly') + ifInDiscards_start = counter.read(counters.lwaftr[lwaftrspec][name]) + else + for _, name + in ipairs({"rcvdPacket", "sentPacket", "rcvdByte", "sentByte", "droppedPacket", + "reassemble_ok", "reassemble_invalid", "fragment_ok", "fragment_forbidden"}) do + counters.lwaftr[lwaftrspec][name] = + counter.open(tree .."/" .. lwaftrspec .. "/" .. name, 'readonly') + end + end + end + return counters +end + +function get_stats (counters) + local new_stats = {} + new_stats.lwaftr = {} + for lwaftrspec, lwaftr in pairs(counters.lwaftr) do + new_stats.lwaftr[lwaftrspec] = {} + if lwaftrspec == "nic" then + name = "ifInDiscards" + new_stats.lwaftr[lwaftrspec][name] = counter.read(lwaftr[name]) + else + for _, name + in ipairs({"rcvdPacket", "sentPacket", "rcvdByte", "sentByte", "droppedPacket", + "reassemble_ok", "reassemble_invalid", "fragment_ok", "fragment_forbidden"}) do + new_stats.lwaftr[lwaftrspec][name] = counter.read(lwaftr[name]) + end + end + end + return new_stats +end + +local lwaftr_metrics_row = {31, 7, 7, 7, 7, 11} +function print_lwaftr_metrics (new_stats, last_stats, time_delta) + print_row(lwaftr_metrics_row, + {"lwaftr (rx/tx/txdrop in Mpps)", "rx", "tx", "rxGb", "txGb", "txdrop"}) + for lwaftrspec, lwaftr in pairs(new_stats.lwaftr) do + if lwaftrspec ~= "nic" then + if last_stats.lwaftr[lwaftrspec] then + local rx = tonumber(new_stats.lwaftr[lwaftrspec].rcvdPacket - last_stats.lwaftr[lwaftrspec].rcvdPacket) + local tx = tonumber(new_stats.lwaftr[lwaftrspec].sentPacket - last_stats.lwaftr[lwaftrspec].sentPacket) + local rxbytes = tonumber(new_stats.lwaftr[lwaftrspec].rcvdByte - last_stats.lwaftr[lwaftrspec].rcvdByte) + local txbytes = tonumber(new_stats.lwaftr[lwaftrspec].sentByte - last_stats.lwaftr[lwaftrspec].sentByte) + local drop = tonumber(new_stats.lwaftr[lwaftrspec].droppedPacket - last_stats.lwaftr[lwaftrspec].droppedPacket) + print_row(lwaftr_metrics_row, + {lwaftrspec, + float_s(rx / time_delta), float_s(tx / time_delta), + float_s(rxbytes / time_delta / 1000 *8), float_s(txbytes / time_delta / 1000 *8), + float_l(drop / time_delta)}) + end + end + end + + local metrics_row = {30, 20, 20} + for lwaftrspec, lwaftr in pairs(new_stats.lwaftr) do + if last_stats.lwaftr[lwaftrspec] then + io.write(("\n%30s %20s %20s\n"):format("", "Total", "per second")) + if lwaftrspec == "nic" then + name = "ifInDiscards" + local delta = tonumber(new_stats.lwaftr[lwaftrspec][name] - last_stats.lwaftr[lwaftrspec][name]) + print_row(metrics_row, {lwaftrspec .. " " .. name, + int_s(new_stats.lwaftr[lwaftrspec][name] - ifInDiscards_start), int_s(delta)}) + else + for _, name + in ipairs({"rcvdPacket", "sentPacket", "rcvdByte", "sentByte", "droppedPacket", + "reassemble_ok", "reassemble_invalid", "fragment_ok", "fragment_forbidden"}) do + local delta = tonumber(new_stats.lwaftr[lwaftrspec][name] - last_stats.lwaftr[lwaftrspec][name]) + print_row(metrics_row, {lwaftrspec .. " " .. name, + int_s(new_stats.lwaftr[lwaftrspec][name]), int_s(delta)}) + + end + end + end + end +end + +function pad_str (s, n) + local padding = math.max(n - s:len(), 0) + return ("%s%s"):format(s:sub(1, n), (" "):rep(padding)) +end + +function print_row (spec, args) + for i, s in ipairs(args) do + io.write((" %s"):format(pad_str(s, spec[i]))) + end + io.write("\n") +end + +function int_s (n) + return ("%20d"):format(tonumber(n)) +end + +function float_s (n) + return ("%.2f"):format(n) +end + +function float_l (n) + return ("%.6f"):format(n) +end diff --git a/src/program/snabbvmx/top/util.lua b/src/program/snabbvmx/top/util.lua new file mode 100644 index 0000000000..2b68e89c4c --- /dev/null +++ b/src/program/snabbvmx/top/util.lua @@ -0,0 +1,48 @@ +-- Use of this source code is governed by the Apache 2.0 license; see COPYING. + +-- Utility functions called by both top.lua nearby, and by each app command +-- which displays stats to the terminal, both in the "top" output and outside, +-- like the lwAFTR "query" subcommand. + +module(..., package.seeall) + +local shm = require("core.shm") +local S = require("syscall") + +function select_snabb_instance (pid) + local instances = shm.children("//") + if pid then + -- Try to use the given pid. + for _, instance in ipairs(instances) do + if instance == pid then return pid end + end + print("No such Snabb instance: "..pid) + elseif #instances == 2 then + -- Two means one is us, so we pick the other. + local own_pid = tostring(S.getpid()) + if instances[1] == own_pid then return instances[2] + else return instances[1] end + elseif #instances == 1 then + -- One means there's only us, or something is very much wrong. :-) + print("No Snabb instance found.") + else + print("Data from multiple Snabb instances found: select a PID from /var/run/snabb.") + end + os.exit(1) +end + +function pad_str (s, n) + local padding = math.max(n - s:len(), 0) + return ("%s%s"):format(s:sub(1, n), (" "):rep(padding)) +end + +function print_row (spec, args) + for i, s in ipairs(args) do + io.write((" %s"):format(pad_str(s, spec[i]))) + end + io.write("\n") +end + +function float_s (n) + return ("%.2f"):format(n) +end From b2969dfdcf2fb48bf195035c1356c0ddaee37ff9 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 8 Sep 2016 18:14:51 +0000 Subject: [PATCH 221/340] Adapt snabbvmx top --- src/program/snabbvmx/top/top.lua | 240 +++++++++++++++++-------------- 1 file changed, 135 insertions(+), 105 deletions(-) diff --git a/src/program/snabbvmx/top/top.lua b/src/program/snabbvmx/top/top.lua index a9d1a537e5..eb3428d8d0 100644 --- a/src/program/snabbvmx/top/top.lua +++ b/src/program/snabbvmx/top/top.lua @@ -1,43 +1,70 @@ module(..., package.seeall) +local S = require("syscall") +local counter = require("core.counter") local ffi = require("ffi") -local C = ffi.C local lib = require("core.lib") -local shm = require("core.shm") -local syscall = require("syscall") -local counter = require("core.counter") -local S = require("syscall") -local usage = require("program.snabbvmx.top.README_inc") +local lwcounter = require("apps.lwaftr.lwcounter") +local top = require("program.top.top") + +local select_snabb_instance = top.select_snabb_instance +local C = ffi.C local long_opts = { help = "h" } -local ifInDiscards_start +local function clearterm () io.write('\027[2J') end + +local counter_names = (function () + local counters = { + "in-%s-packets", -- rcvdPacket + "in-%s-bytes", -- rcvdByte + "out-%s-packets", -- sentPacket + "out-%s-bytes", -- sentByte + "drop-all-%s-iface-packets", -- droppedPacket + "in-%s-frag-reassembled", -- reassemble_ok + "drop-%s-frag-invalid-reassembly", -- reassemble_invalid + "out-%s-frag", -- fragment_ok + "out-%s-frag-not", -- fragment_forbidden + } + local ipv4_counters = {} + for i, name in ipairs(counters) do + ipv4_counters[i] = name:format("ipv4") + end + local ipv6_counters = {} + for i, name in ipairs(counters) do + ipv6_counters[i] = name:format("ipv6") + end + return function (key) + assert(key == "lwaftr_v4" or key == "lwaftr_v6", "Invalid key: "..key) + return key == "lwaftr_v4" and ipv4_counters or ipv6_counters + end +end)() -function clearterm () io.write('\027[2J') end +local function show_usage (code) + print(require("program.snabbvmx.top.README_inc")) + main.exit(1) +end -function run (args) - local opt = {} - function opt.h (arg) print(usage) main.exit(1) end - args = lib.dogetopt(args, opt, "h", long_opts) - - if #args > 1 then print(usage) main.exit(1) end - local target_pid = args[1] - - -- Unlink stale snabb resources. - for _, pid in ipairs(shm.children("//")) do - if not syscall.kill(tonumber(pid), 0) then - shm.unlink("//"..pid) - end +local function parse_args (args) + local handlers = {} + function handlers.h () + show_usage(0) end - - local instance_tree = "//"..(select_snabb_instance(target_pid)) + args = lib.dogetopt(args, handlers, "h", long_opts) + if #args > 1 then show_usage(1) end + return args[1] +end + +function run (args) + local target_pid = parse_args(args) + local instance_tree = "/"..select_snabb_instance(target_pid) local counters = open_counters(instance_tree) local configs = 0 local last_stats = nil local last_time = nil - while (true) do + while true do local new_stats = get_stats(counters) local time = tonumber(C.get_time_ns()) if last_stats then @@ -51,106 +78,108 @@ function run (args) end end -function select_snabb_instance (pid) - local instances = shm.children("//") - if pid then - -- Try to use given pid - for _, instance in ipairs(instances) do - if instance == pid then return pid end - end - print("No such Snabb Switch instance: "..pid) - elseif #instances == 2 then - -- Two means one is us, so we pick the other. - local own_pid = tostring(S.getpid()) - if instances[1] == own_pid then return instances[2] - else return instances[1] end - elseif #instances == 1 then print("No Snabb Switch instance found.") - else print("Multple Snabb Switch instances found. Select one.") end - os.exit(1) -end - function open_counters (tree) - local counters = {} - counters.lwaftr = {} - for _,lwaftrspec in pairs({"lwaftr_v6", "lwaftr_v4", "nic"}) do - counters.lwaftr[lwaftrspec] = {} - if lwaftrspec == "nic" then - name = "ifInDiscards" - counters.lwaftr[lwaftrspec][name] = - counter.open(tree .. "/nic/ifInDiscards", 'readonly') - ifInDiscards_start = counter.read(counters.lwaftr[lwaftrspec][name]) - else - for _, name - in ipairs({"rcvdPacket", "sentPacket", "rcvdByte", "sentByte", "droppedPacket", - "reassemble_ok", "reassemble_invalid", "fragment_ok", "fragment_forbidden"}) do - counters.lwaftr[lwaftrspec][name] = - counter.open(tree .."/" .. lwaftrspec .. "/" .. name, 'readonly') - end + local function open_counter (name) + return counter.open(tree.."/"..lwcounter.counters_dir..name..".counter", 'readonly') + end + local function open_counter_list (t) + local ret = {} + for _, name in ipairs(t) do + ret[name] = open_counter(name) end + return ret end + local counters = {} + counters.lwaftr = {} + counters.lwaftr["lwaftr_v4"] = open_counter_list(counter_names("lwaftr_v4")) + counters.lwaftr["lwaftr_v6"] = open_counter_list(counter_names("lwaftr_v6")) + counters.lwaftr["nic"] = { ifInDiscards = open_counter("ingress-packet-drops") } return counters end function get_stats (counters) - local new_stats = {} - new_stats.lwaftr = {} - for lwaftrspec, lwaftr in pairs(counters.lwaftr) do - new_stats.lwaftr[lwaftrspec] = {} - if lwaftrspec == "nic" then - name = "ifInDiscards" - new_stats.lwaftr[lwaftrspec][name] = counter.read(lwaftr[name]) - else - for _, name - in ipairs({"rcvdPacket", "sentPacket", "rcvdByte", "sentByte", "droppedPacket", - "reassemble_ok", "reassemble_invalid", "fragment_ok", "fragment_forbidden"}) do - new_stats.lwaftr[lwaftrspec][name] = counter.read(lwaftr[name]) - end + local function read_counters (t) + local ret = {} + for k, v in pairs(t) do + ret[k] = counter.read(v) end + return ret end - return new_stats + local stats = {} + stats.lwaftr = {} + for k, v in pairs(counters.lwaftr) do + stats.lwaftr[k] = read_counters(v) + end + return stats end local lwaftr_metrics_row = {31, 7, 7, 7, 7, 11} function print_lwaftr_metrics (new_stats, last_stats, time_delta) - print_row(lwaftr_metrics_row, - {"lwaftr (rx/tx/txdrop in Mpps)", "rx", "tx", "rxGb", "txGb", "txdrop"}) + local function delta(t, s, name) + assert(t[name] and s[name]) + return tonumber(t[name] - s[name]) + end + local function delta_v6 (t, s) + local rx = delta(t, s, "in-ipv6-packets") + local tx = delta(t, s, "out-ipv6-packets") + local rxbytes = delta(t, s, "in-ipv6-bytes") + local txbytes = delta(t, s, "out-ipv6-bytes") + local drop = delta(t, s, "drop-all-ipv6-iface-packets") + return rx, tx, rxbytes, txbytes, drop + end + local function delta_v4 (t, s) + local rx = delta(t, s, "in-ipv4-packets") + local tx = delta(t, s, "out-ipv4-packets") + local rxbytes = delta(t, s, "in-ipv4-bytes") + local txbytes = delta(t, s, "out-ipv4-bytes") + local drop = delta(t, s, "drop-all-ipv4-iface-packets") + return rx, tx, rxbytes, txbytes, drop + end + print_row(lwaftr_metrics_row, { + "lwaftr (rx/tx/txdrop in Mpps)", "rx", "tx", "rxGb", "txGb", "txdrop" + }) + local rx, tx, rxbytes, txbytes, drop for lwaftrspec, lwaftr in pairs(new_stats.lwaftr) do - if lwaftrspec ~= "nic" then + if lwaftrspec == "nic" then goto continue end if last_stats.lwaftr[lwaftrspec] then - local rx = tonumber(new_stats.lwaftr[lwaftrspec].rcvdPacket - last_stats.lwaftr[lwaftrspec].rcvdPacket) - local tx = tonumber(new_stats.lwaftr[lwaftrspec].sentPacket - last_stats.lwaftr[lwaftrspec].sentPacket) - local rxbytes = tonumber(new_stats.lwaftr[lwaftrspec].rcvdByte - last_stats.lwaftr[lwaftrspec].rcvdByte) - local txbytes = tonumber(new_stats.lwaftr[lwaftrspec].sentByte - last_stats.lwaftr[lwaftrspec].sentByte) - local drop = tonumber(new_stats.lwaftr[lwaftrspec].droppedPacket - last_stats.lwaftr[lwaftrspec].droppedPacket) - print_row(lwaftr_metrics_row, - {lwaftrspec, - float_s(rx / time_delta), float_s(tx / time_delta), - float_s(rxbytes / time_delta / 1000 *8), float_s(txbytes / time_delta / 1000 *8), - float_l(drop / time_delta)}) + local t = new_stats.lwaftr[lwaftrspec] + local s = last_stats.lwaftr[lwaftrspec] + local rx, tx, rxbytes, txbytes, drop + if lwaftrspec == "lwaftr_v6" then + rx, tx, rxbytes, txbytes, drop = delta_v6(t, s) + else + rx, tx, rxbytes, txbytes, drop = delta_v4(t, s) + end + print_row(lwaftr_metrics_row, { lwaftrspec, + float_s(rx / time_delta), + float_s(tx / time_delta), + float_s(rxbytes / time_delta / 1000 *8), + float_s(txbytes / time_delta / 1000 *8), + float_l(drop / time_delta) + }) end - end + ::continue:: end local metrics_row = {30, 20, 20} for lwaftrspec, lwaftr in pairs(new_stats.lwaftr) do - if last_stats.lwaftr[lwaftrspec] then - io.write(("\n%30s %20s %20s\n"):format("", "Total", "per second")) - if lwaftrspec == "nic" then - name = "ifInDiscards" - local delta = tonumber(new_stats.lwaftr[lwaftrspec][name] - last_stats.lwaftr[lwaftrspec][name]) - print_row(metrics_row, {lwaftrspec .. " " .. name, - int_s(new_stats.lwaftr[lwaftrspec][name] - ifInDiscards_start), int_s(delta)}) - else - for _, name - in ipairs({"rcvdPacket", "sentPacket", "rcvdByte", "sentByte", "droppedPacket", - "reassemble_ok", "reassemble_invalid", "fragment_ok", "fragment_forbidden"}) do - local delta = tonumber(new_stats.lwaftr[lwaftrspec][name] - last_stats.lwaftr[lwaftrspec][name]) - print_row(metrics_row, {lwaftrspec .. " " .. name, - int_s(new_stats.lwaftr[lwaftrspec][name]), int_s(delta)}) - - end - end - end + if last_stats.lwaftr[lwaftrspec] then + io.write(("\n%30s %20s %20s\n"):format("", "Total", "per second")) + local t = new_stats.lwaftr[lwaftrspec] + local s = last_stats.lwaftr[lwaftrspec] + if lwaftrspec == "nic" then + local name = "ifInDiscards" + local diff = delta(t, s, name) + print_row(metrics_row, { lwaftrspec .. " " .. name, + int_s(t[name]), int_s(diff)}) + else + for _, name in ipairs(counter_names(lwaftrspec)) do + local diff = delta(t, s, name) + print_row(metrics_row, { lwaftrspec .. " " .. name, + int_s(t[name]), int_s(diff)}) + end + end + end end end @@ -167,7 +196,8 @@ function print_row (spec, args) end function int_s (n) - return ("%20d"):format(tonumber(n)) + local val = lib.comma_value(n) + return (" "):rep(20 - #val)..val end function float_s (n) From e0ce0473f2caa751aa236c08d0287f9430a5a6ff Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 8 Sep 2016 18:24:27 +0000 Subject: [PATCH 222/340] Update README --- src/program/snabbvmx/top/README | 44 +++++++++++++++++++++------------ 1 file changed, 28 insertions(+), 16 deletions(-) diff --git a/src/program/snabbvmx/top/README b/src/program/snabbvmx/top/README index 89b97a7d32..74c3a57270 100644 --- a/src/program/snabbvmx/top/README +++ b/src/program/snabbvmx/top/README @@ -10,20 +10,32 @@ Switch instance, top will connect to that instance. Example output: + lwaftr (rx/tx/txdrop in Mpps) rx tx rxGb txGb txdrop - lwaftr_v6 0.00 3.16 0.00 3.59 0.00 - lwaftr_v4 3.16 0.00 2.58 0.00 0.00 - - Total per second - lwaftr_v6 rcvdPacket 0 0 - lwaftr_v6 sentPacket 1507819107 3161600 - lwaftr_v6 rcvdByte 0 0 - lwaftr_v6 sentByte 214110313194 448947200 - lwaftr_v6 droppedPacket 0 0 - - Total per second - lwaftr_v4 rcvdPacket 1507819107 3161600 - lwaftr_v4 sentPacket 0 0 - lwaftr_v4 rcvdByte 153797548914 322483200 - lwaftr_v4 sentByte 0 0 - lwaftr_v4 droppedPacket 0 0 + lwaftr_v6 1.09 1.09 4.79 5.13 0.000000 + lwaftr_v4 1.09 1.09 4.78 4.44 0.000000 + + Total per second + lwaftr_v6 in-ipv6-packets 723,127,736 1,090,272 + lwaftr_v6 in-ipv6-bytes 397,720,254,800 599,649,600 + lwaftr_v6 out-ipv6-packets 721,715,215 1,088,159 + lwaftr_v6 out-ipv6-bytes 425,811,976,850 642,013,810 + lwaftr_v6 drop-all-ipv6-iface- 0 0 + lwaftr_v6 in-ipv6-frag-reassem 0 0 + lwaftr_v6 drop-ipv6-frag-inval 0 0 + lwaftr_v6 out-ipv6-frag 0 0 + lwaftr_v6 out-ipv6-frag-not 0 0 + + Total per second + nic ifInDiscards 0 0 + + Total per second + lwaftr_v4 in-ipv4-packets 721,715,215 1,088,159 + lwaftr_v4 in-ipv4-bytes 396,943,368,250 598,487,450 + lwaftr_v4 out-ipv4-packets 723,127,736 1,090,272 + lwaftr_v4 out-ipv4-bytes 368,795,145,360 556,038,720 + lwaftr_v4 drop-all-ipv4-iface- 0 0 + lwaftr_v4 in-ipv4-frag-reassem 0 0 + lwaftr_v4 drop-ipv4-frag-inval 0 0 + lwaftr_v4 out-ipv4-frag 0 0 + lwaftr_v4 out-ipv4-frag-not 0 0 From 1f62c93db7f1b3312f93b83a4fd469060684ed5c Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Thu, 8 Sep 2016 18:25:39 +0000 Subject: [PATCH 223/340] Remove top/util.lua --- src/program/snabbvmx/top/util.lua | 48 ------------------------------- 1 file changed, 48 deletions(-) delete mode 100644 src/program/snabbvmx/top/util.lua diff --git a/src/program/snabbvmx/top/util.lua b/src/program/snabbvmx/top/util.lua deleted file mode 100644 index 2b68e89c4c..0000000000 --- a/src/program/snabbvmx/top/util.lua +++ /dev/null @@ -1,48 +0,0 @@ --- Use of this source code is governed by the Apache 2.0 license; see COPYING. - --- Utility functions called by both top.lua nearby, and by each app command --- which displays stats to the terminal, both in the "top" output and outside, --- like the lwAFTR "query" subcommand. - -module(..., package.seeall) - -local shm = require("core.shm") -local S = require("syscall") - -function select_snabb_instance (pid) - local instances = shm.children("//") - if pid then - -- Try to use the given pid. - for _, instance in ipairs(instances) do - if instance == pid then return pid end - end - print("No such Snabb instance: "..pid) - elseif #instances == 2 then - -- Two means one is us, so we pick the other. - local own_pid = tostring(S.getpid()) - if instances[1] == own_pid then return instances[2] - else return instances[1] end - elseif #instances == 1 then - -- One means there's only us, or something is very much wrong. :-) - print("No Snabb instance found.") - else - print("Data from multiple Snabb instances found: select a PID from /var/run/snabb.") - end - os.exit(1) -end - -function pad_str (s, n) - local padding = math.max(n - s:len(), 0) - return ("%s%s"):format(s:sub(1, n), (" "):rep(padding)) -end - -function print_row (spec, args) - for i, s in ipairs(args) do - io.write((" %s"):format(pad_str(s, spec[i]))) - end - io.write("\n") -end - -function float_s (n) - return ("%.2f"):format(n) -end From 36cd34bc451108909faade0291e4b4d39d247ded Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 12 Sep 2016 08:08:06 +0000 Subject: [PATCH 224/340] Select snabb instance per id --- src/program/snabbvmx/top/top.lua | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/src/program/snabbvmx/top/top.lua b/src/program/snabbvmx/top/top.lua index eb3428d8d0..9294e993f7 100644 --- a/src/program/snabbvmx/top/top.lua +++ b/src/program/snabbvmx/top/top.lua @@ -5,9 +5,10 @@ local counter = require("core.counter") local ffi = require("ffi") local lib = require("core.lib") local lwcounter = require("apps.lwaftr.lwcounter") +local lwtypes = require("apps.lwaftr.lwtypes") +local shm = require("core.shm") local top = require("program.top.top") -local select_snabb_instance = top.select_snabb_instance local C = ffi.C local long_opts = { @@ -16,6 +17,29 @@ local long_opts = { local function clearterm () io.write('\027[2J') end +local function select_snabb_instance_by_id (target_id) + local pids = shm.children("/") + for _, pid in ipairs(pids) do + local path = "/"..pid.."/nic/id" + if shm.exists(path) then + local lwaftr_id = shm.open(path, lwtypes.lwaftr_id_type) + if ffi.string(lwaftr_id.value) == target_id then + return pid + end + end + end + print("Couldn't find instance with id '%s'"):format(target_id) + main.exit(1) +end + +local function select_snabb_instance (id) + if tonumber(id) then + return top.select_snabb_instance(id) + else + return select_snabb_instance_by_id(id) + end +end + local counter_names = (function () local counters = { "in-%s-packets", -- rcvdPacket From b0ebb753ade0704174a42aff101cdad3ab43e095 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 12 Sep 2016 08:09:41 +0000 Subject: [PATCH 225/340] Adjust columns width --- src/program/snabbvmx/top/top.lua | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/program/snabbvmx/top/top.lua b/src/program/snabbvmx/top/top.lua index 9294e993f7..5c2de7d618 100644 --- a/src/program/snabbvmx/top/top.lua +++ b/src/program/snabbvmx/top/top.lua @@ -137,7 +137,7 @@ function get_stats (counters) return stats end -local lwaftr_metrics_row = {31, 7, 7, 7, 7, 11} +local lwaftr_metrics_row = {51, 7, 7, 7, 7, 11} function print_lwaftr_metrics (new_stats, last_stats, time_delta) local function delta(t, s, name) assert(t[name] and s[name]) @@ -185,10 +185,10 @@ function print_lwaftr_metrics (new_stats, last_stats, time_delta) ::continue:: end - local metrics_row = {30, 20, 20} + local metrics_row = {50, 20, 20} for lwaftrspec, lwaftr in pairs(new_stats.lwaftr) do if last_stats.lwaftr[lwaftrspec] then - io.write(("\n%30s %20s %20s\n"):format("", "Total", "per second")) + io.write(("\n%50s %20s %20s\n"):format("", "Total", "per second")) local t = new_stats.lwaftr[lwaftrspec] local s = last_stats.lwaftr[lwaftrspec] if lwaftrspec == "nic" then From 12a942dea2e3febacbd9b760e9dbb5d79c1d469c Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 12 Sep 2016 08:24:21 +0000 Subject: [PATCH 226/340] Update README --- src/program/snabbvmx/top/README | 56 ++++++++++++++++----------------- 1 file changed, 28 insertions(+), 28 deletions(-) diff --git a/src/program/snabbvmx/top/README b/src/program/snabbvmx/top/README index 74c3a57270..9e6f286066 100644 --- a/src/program/snabbvmx/top/README +++ b/src/program/snabbvmx/top/README @@ -11,31 +11,31 @@ Switch instance, top will connect to that instance. Example output: - lwaftr (rx/tx/txdrop in Mpps) rx tx rxGb txGb txdrop - lwaftr_v6 1.09 1.09 4.79 5.13 0.000000 - lwaftr_v4 1.09 1.09 4.78 4.44 0.000000 - - Total per second - lwaftr_v6 in-ipv6-packets 723,127,736 1,090,272 - lwaftr_v6 in-ipv6-bytes 397,720,254,800 599,649,600 - lwaftr_v6 out-ipv6-packets 721,715,215 1,088,159 - lwaftr_v6 out-ipv6-bytes 425,811,976,850 642,013,810 - lwaftr_v6 drop-all-ipv6-iface- 0 0 - lwaftr_v6 in-ipv6-frag-reassem 0 0 - lwaftr_v6 drop-ipv6-frag-inval 0 0 - lwaftr_v6 out-ipv6-frag 0 0 - lwaftr_v6 out-ipv6-frag-not 0 0 - - Total per second - nic ifInDiscards 0 0 - - Total per second - lwaftr_v4 in-ipv4-packets 721,715,215 1,088,159 - lwaftr_v4 in-ipv4-bytes 396,943,368,250 598,487,450 - lwaftr_v4 out-ipv4-packets 723,127,736 1,090,272 - lwaftr_v4 out-ipv4-bytes 368,795,145,360 556,038,720 - lwaftr_v4 drop-all-ipv4-iface- 0 0 - lwaftr_v4 in-ipv4-frag-reassem 0 0 - lwaftr_v4 drop-ipv4-frag-inval 0 0 - lwaftr_v4 out-ipv4-frag 0 0 - lwaftr_v4 out-ipv4-frag-not 0 0 + lwaftr (rx/tx/txdrop in Mpps) rx tx rxGb txGb txdrop + lwaftr_v6 1.31 0.87 5.75 4.11 0.000000 + lwaftr_v4 0.87 1.31 3.83 5.33 0.000000 + + Total per second + lwaftr_v6 in-ipv6-packets 14,477,294 1,307,128 + lwaftr_v6 in-ipv6-bytes 7,962,511,700 718,920,400 + lwaftr_v6 out-ipv6-packets 9,643,500 870,695 + lwaftr_v6 out-ipv6-bytes 5,689,665,000 513,710,050 + lwaftr_v6 drop-all-ipv6-iface-packets 0 0 + lwaftr_v6 in-ipv6-frag-reassembled 0 0 + lwaftr_v6 drop-ipv6-frag-invalid-reassembly 0 0 + lwaftr_v6 out-ipv6-frag 0 0 + lwaftr_v6 out-ipv6-frag-not 0 0 + + Total per second + nic ifInDiscards 0 0 + + Total per second + lwaftr_v4 in-ipv4-packets 9,643,500 870,695 + lwaftr_v4 in-ipv4-bytes 5,303,925,000 478,882,250 + lwaftr_v4 out-ipv4-packets 14,477,294 1,307,128 + lwaftr_v4 out-ipv4-bytes 7,383,419,940 666,635,280 + lwaftr_v4 drop-all-ipv4-iface-packets 0 0 + lwaftr_v4 in-ipv4-frag-reassembled 0 0 + lwaftr_v4 drop-ipv4-frag-invalid-reassembly 0 0 + lwaftr_v4 out-ipv4-frag 0 0 + lwaftr_v4 out-ipv4-frag-not 0 0 From 3149a390e12a0daf1c8167aba2b4e3ac522b99cd Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Mon, 12 Sep 2016 10:37:06 +0200 Subject: [PATCH 227/340] Update counter path in docs --- src/program/lwaftr/doc/README.counters.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/program/lwaftr/doc/README.counters.md b/src/program/lwaftr/doc/README.counters.md index 9ecc79fbed..92378044bf 100644 --- a/src/program/lwaftr/doc/README.counters.md +++ b/src/program/lwaftr/doc/README.counters.md @@ -190,7 +190,7 @@ ICMPv4 and ICMPv6 packets, such as `policy_icmpv4_incoming = ALLOW`.) Implementation detail: counters can be accessed as files in the runtime area of the Snabb process, typically under -`/var/run/snabb/[PID]/app/lwaftr/counters/`. Most of them are represented by +`/var/run/snabb/[PID]/app/lwaftr/`. Most of them are represented by two files, ending with the `bytes` and `packets` suffixes. Note that all counters only see packets without VLAN tags, so the total number From bd5456c04bc08b3b2de7d5cafc689837b8673415 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 12 Sep 2016 11:31:47 +0200 Subject: [PATCH 228/340] Tidy up top.lua * Remove unused variables * Make functions local --- src/program/snabbvmx/top/top.lua | 119 +++++++++++++++---------------- 1 file changed, 58 insertions(+), 61 deletions(-) diff --git a/src/program/snabbvmx/top/top.lua b/src/program/snabbvmx/top/top.lua index 5c2de7d618..f48f9b6c9e 100644 --- a/src/program/snabbvmx/top/top.lua +++ b/src/program/snabbvmx/top/top.lua @@ -1,6 +1,5 @@ module(..., package.seeall) -local S = require("syscall") local counter = require("core.counter") local ffi = require("ffi") local lib = require("core.lib") @@ -66,43 +65,7 @@ local counter_names = (function () end end)() -local function show_usage (code) - print(require("program.snabbvmx.top.README_inc")) - main.exit(1) -end - -local function parse_args (args) - local handlers = {} - function handlers.h () - show_usage(0) - end - args = lib.dogetopt(args, handlers, "h", long_opts) - if #args > 1 then show_usage(1) end - return args[1] -end - -function run (args) - local target_pid = parse_args(args) - local instance_tree = "/"..select_snabb_instance(target_pid) - local counters = open_counters(instance_tree) - local configs = 0 - local last_stats = nil - local last_time = nil - while true do - local new_stats = get_stats(counters) - local time = tonumber(C.get_time_ns()) - if last_stats then - clearterm() - print_lwaftr_metrics(new_stats, last_stats, (time - last_time)/1000) - io.flush() - end - last_stats = new_stats - last_time = time - C.sleep(1) - end -end - -function open_counters (tree) +local function open_counters (tree) local function open_counter (name) return counter.open(tree.."/"..lwcounter.counters_dir..name..".counter", 'readonly') end @@ -121,7 +84,7 @@ function open_counters (tree) return counters end -function get_stats (counters) +local function get_stats (counters) local function read_counters (t) local ret = {} for k, v in pairs(t) do @@ -137,8 +100,33 @@ function get_stats (counters) return stats end +local function pad_str (s, n) + local padding = math.max(n - s:len(), 0) + return ("%s%s"):format(s:sub(1, n), (" "):rep(padding)) +end + +local function print_row (spec, args) + for i, s in ipairs(args) do + io.write((" %s"):format(pad_str(s, spec[i]))) + end + io.write("\n") +end + +local function int_s (n) + local val = lib.comma_value(n) + return (" "):rep(20 - #val)..val +end + +local function float_s (n) + return ("%.2f"):format(n) +end + +local function float_l (n) + return ("%.6f"):format(n) +end + local lwaftr_metrics_row = {51, 7, 7, 7, 7, 11} -function print_lwaftr_metrics (new_stats, last_stats, time_delta) +local function print_lwaftr_metrics (new_stats, last_stats, time_delta) local function delta(t, s, name) assert(t[name] and s[name]) return tonumber(t[name] - s[name]) @@ -162,8 +150,7 @@ function print_lwaftr_metrics (new_stats, last_stats, time_delta) print_row(lwaftr_metrics_row, { "lwaftr (rx/tx/txdrop in Mpps)", "rx", "tx", "rxGb", "txGb", "txdrop" }) - local rx, tx, rxbytes, txbytes, drop - for lwaftrspec, lwaftr in pairs(new_stats.lwaftr) do + for lwaftrspec, _ in pairs(new_stats.lwaftr) do if lwaftrspec == "nic" then goto continue end if last_stats.lwaftr[lwaftrspec] then local t = new_stats.lwaftr[lwaftrspec] @@ -186,7 +173,7 @@ function print_lwaftr_metrics (new_stats, last_stats, time_delta) end local metrics_row = {50, 20, 20} - for lwaftrspec, lwaftr in pairs(new_stats.lwaftr) do + for lwaftrspec, _ in pairs(new_stats.lwaftr) do if last_stats.lwaftr[lwaftrspec] then io.write(("\n%50s %20s %20s\n"):format("", "Total", "per second")) local t = new_stats.lwaftr[lwaftrspec] @@ -207,27 +194,37 @@ function print_lwaftr_metrics (new_stats, last_stats, time_delta) end end -function pad_str (s, n) - local padding = math.max(n - s:len(), 0) - return ("%s%s"):format(s:sub(1, n), (" "):rep(padding)) +local function show_usage (code) + print(require("program.snabbvmx.top.README_inc")) + main.exit(code) end -function print_row (spec, args) - for i, s in ipairs(args) do - io.write((" %s"):format(pad_str(s, spec[i]))) +local function parse_args (args) + local handlers = {} + function handlers.h () + show_usage(0) end - io.write("\n") -end - -function int_s (n) - local val = lib.comma_value(n) - return (" "):rep(20 - #val)..val -end - -function float_s (n) - return ("%.2f"):format(n) + args = lib.dogetopt(args, handlers, "h", long_opts) + if #args > 1 then show_usage(1) end + return args[1] end -function float_l (n) - return ("%.6f"):format(n) +function run (args) + local target_pid = parse_args(args) + local instance_tree = "/"..select_snabb_instance(target_pid) + local counters = open_counters(instance_tree) + local last_stats = nil + local last_time = nil + while true do + local new_stats = get_stats(counters) + local time = tonumber(C.get_time_ns()) + if last_stats then + clearterm() + print_lwaftr_metrics(new_stats, last_stats, (time - last_time)/1000) + io.flush() + end + last_stats = new_stats + last_time = time + C.sleep(1) + end end From ea2f572f8a03419ce9783b55a38c4e104e0a17c0 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 12 Sep 2016 11:18:43 +0000 Subject: [PATCH 229/340] Remove ipv6_address parameter in snabbvmx config file --- src/apps/nh_fwd/nh_fwd.lua | 7 ------- src/program/snabbvmx/README.md | 1 - src/program/snabbvmx/lwaftr/README | 1 - src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.cfg | 1 - src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg | 1 - 5 files changed, 11 deletions(-) diff --git a/src/apps/nh_fwd/nh_fwd.lua b/src/apps/nh_fwd/nh_fwd.lua index fd402d6326..ca0a5a161a 100644 --- a/src/apps/nh_fwd/nh_fwd.lua +++ b/src/apps/nh_fwd/nh_fwd.lua @@ -229,10 +229,8 @@ end function nh_fwd6:new (conf) assert(conf.mac_address, "MAC address is missing") - assert(conf.ipv6_address, "IPv6 address is missing") local mac_address = ethernet:pton(conf.mac_address) - local ipv6_address = ipv6:pton(conf.ipv6_address) local service_mac = conf.service_mac and ethernet:pton(conf.service_mac) local debug = conf.debug or false local cache_refresh_interval = conf.cache_refresh_interval or 0 @@ -247,7 +245,6 @@ function nh_fwd6:new (conf) local o = { mac_address = mac_address, next_hop_mac = next_hop_mac, - ipv6_address = ipv6_address, service_mac = service_mac, debug = debug, cache_refresh_time = 0, @@ -459,7 +456,6 @@ local function test_ipv6_wire_to_vm_and_service (pkts) config.app(c, 'nh_fwd', nh_fwd6, { mac_address = "52:54:00:00:00:01", service_mac = "02:aa:aa:aa:aa:aa", - ipv6_address = "fe80::1", }) config.link(c, 'source.out -> nh_fwd.wire') config.link(c, 'nh_fwd.service -> sink.in1') @@ -481,7 +477,6 @@ local function test_ipv6_vm_to_service_and_wire(pkts) config.app(c, 'nh_fwd', nh_fwd6, { mac_address = "52:54:00:00:00:01", service_mac = "02:aa:aa:aa:aa:aa", - ipv6_address = "fe80::1", }) config.link(c, 'source.out -> nh_fwd.vm') config.link(c, 'nh_fwd.service -> sink.in1') @@ -502,7 +497,6 @@ local function test_ipv6_service_to_wire (pkts) config.app(c, 'nh_fwd', nh_fwd6, { mac_address = "52:54:00:00:00:01", service_mac = "02:aa:aa:aa:aa:aa", - ipv6_address = "fe80::1", next_hop_mac = "52:54:00:00:00:02", }) config.link(c, 'source.out -> nh_fwd.service') @@ -522,7 +516,6 @@ local function test_ipv6_service_to_vm (pkts) config.app(c, 'nh_fwd', nh_fwd6, { mac_address = "52:54:00:00:00:01", service_mac = "02:aa:aa:aa:aa:aa", - ipv6_address = "fe80::1", }) config.link(c, 'source.out -> nh_fwd.service') config.link(c, 'nh_fwd.vm -> sink.in1') diff --git a/src/program/snabbvmx/README.md b/src/program/snabbvmx/README.md index 94cd1550b0..a483e338d4 100644 --- a/src/program/snabbvmx/README.md +++ b/src/program/snabbvmx/README.md @@ -53,7 +53,6 @@ source, destination or within an IPv4-in-IPv6 packet. return { lwaftr = "snabbvmx-lwaftr.conf", ipv6_interface = { - ipv6_address = "fc00::100", mtu = 9500, }, ipv4_interface = { diff --git a/src/program/snabbvmx/lwaftr/README b/src/program/snabbvmx/lwaftr/README index 6d9755a1dd..2130c0cc80 100644 --- a/src/program/snabbvmx/lwaftr/README +++ b/src/program/snabbvmx/lwaftr/README @@ -22,7 +22,6 @@ Example config file: return { lwaftr = "snabbvmx-lwaftr-xe0.conf", ipv6_interface = { - ipv6_address = "fc00::100", mtu = 9500, }, ipv4_interface = { diff --git a/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.cfg b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.cfg index 37947d601b..836cc77940 100644 --- a/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.cfg +++ b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr-xe0.cfg @@ -1,7 +1,6 @@ return { lwaftr = "snabbvmx-lwaftr-xe0.conf", ipv6_interface = { - ipv6_address = "fc00::100", cache_refresh_interval = 1, mtu = 9500, }, diff --git a/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg index ec53f869e8..56cfb20fc7 100644 --- a/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg +++ b/src/program/snabbvmx/tests/conf/snabbvmx-lwaftr.cfg @@ -1,7 +1,6 @@ return { lwaftr = "snabbvmx-lwaftr.conf", ipv6_interface = { - ipv6_address = "fc00::100", cache_refresh_interval = 1, mtu = 9500, }, From f75c7cbc75a6416254841158c03a69f620f60886 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 12 Sep 2016 14:24:09 +0000 Subject: [PATCH 230/340] Add missing file --- src/program/snabbvmx/tests/pcap/output/empty.pcap | Bin 0 -> 24 bytes 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 src/program/snabbvmx/tests/pcap/output/empty.pcap diff --git a/src/program/snabbvmx/tests/pcap/output/empty.pcap b/src/program/snabbvmx/tests/pcap/output/empty.pcap new file mode 100644 index 0000000000000000000000000000000000000000..a324304509bdd12aef4a69458a409cefefafe614 GIT binary patch literal 24 Ycmca|c+)~A1{MYw`2U}Qff2|708wKE@Bjb+ literal 0 HcmV?d00001 From 1b2611ba2dd85c96643b3833ceff670b48275197 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 14 Sep 2016 14:31:52 +0000 Subject: [PATCH 231/340] Fix v4-only and v6-only options --- src/program/packetblaster/lwaftr/lwaftr.lua | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/program/packetblaster/lwaftr/lwaftr.lua b/src/program/packetblaster/lwaftr/lwaftr.lua index 90dd22c879..2895ce785a 100644 --- a/src/program/packetblaster/lwaftr/lwaftr.lua +++ b/src/program/packetblaster/lwaftr/lwaftr.lua @@ -38,8 +38,8 @@ local long_opts = { ipv4 = "I", -- fix public IPv4 address count = "c", -- how many b4 clients to simulate rate = "r", -- rate in MPPS (0 => listen only) - v4only = "P", -- generate only public IPv4 traffic - v6only = "E", -- generate only public IPv6 encapsulated traffic + v4only = "4", -- generate only public IPv4 traffic + v6only = "6", -- generate only public IPv6 encapsulated traffic pcap = "o" -- output packet to the pcap file } From 7c695c5e3ab8898d69346d218fe2cd42aca1dfd1 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 14 Sep 2016 14:32:29 +0000 Subject: [PATCH 232/340] Define LWAFTR_DEBUG env var --- src/apps/lwaftr/lwaftr.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 8afc528832..1424001f76 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -40,7 +40,7 @@ local write_eth_header, write_ipv6_header = lwheader.write_eth_header, lwheader. PKT_FROM_INET = 1 PKT_HAIRPINNED = 2 -local debug = false +local debug = lib.getenv("LWAFTR_DEBUG") -- Local bindings for constants that are used in the hot path of the -- data plane. Not having them here is a 1-2% performance penalty. From 6395d105e0c5a69deb30dff2edc4c403adce7e32 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 14 Sep 2016 14:32:44 +0000 Subject: [PATCH 233/340] Centralize packet deallocation in transmit_icmpv4_reply --- src/apps/lwaftr/lwaftr.lua | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 1424001f76..7c43b2f8fd 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -212,7 +212,7 @@ local function init_transmit_icmpv4_reply (lwstate) local icmpv4_rate_limiter_n_packets = lwstate.icmpv4_rate_limiter_n_packets local num_packets = 0 local last_time - return function (o, pkt, orig_pkt) + return function (o, pkt, orig_pkt, orig_pkt_link) local now = tonumber(engine.now()) last_time = last_time or now -- Reset if elapsed time reached. @@ -223,7 +223,11 @@ local function init_transmit_icmpv4_reply (lwstate) -- Send packet if limit not reached. if num_packets < icmpv4_rate_limiter_n_packets then num_packets = num_packets + 1 - drop(orig_pkt) + if orig_pkt_link then + drop_ipv4(lwstate, orig_pkt, orig_pkt_link) + else + drop(orig_pkt) + end counter.add(lwstate.counters["out-icmpv4-bytes"], pkt.length) counter.add(lwstate.counters["out-icmpv4-packets"]) -- Only locally generated error packets are handled here. We transmit @@ -401,8 +405,7 @@ local function drop_ipv4_packet_to_unreachable_host(lwstate, pkt, pkt_src_link) lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, to_ip, pkt, icmp_config) - drop_ipv4(lwstate, pkt, pkt_src_link) - return transmit_icmpv4_reply(lwstate, icmp_dis, pkt) + return transmit_icmpv4_reply(lwstate, icmp_dis, pkt, pkt_src_link) end -- ICMPv6 type 1 code 5, as per RFC 7596. @@ -475,8 +478,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr lwstate.aftr_mac_inet_side, lwstate.inet_mac, lwstate.aftr_ipv4_ip, dst_ip, pkt, icmp_config) - drop_ipv4(lwstate, pkt, pkt_src_link) - return transmit_icmpv4_reply(lwstate, reply, pkt) + return transmit_icmpv4_reply(lwstate, reply, pkt, pkt_src_link) end if debug then print("ipv6", ipv6_src, ipv6_dst) end @@ -494,8 +496,7 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr return drop_ipv4(lwstate, pkt, pkt_src_link) end local reply = cannot_fragment_df_packet_error(lwstate, pkt) - drop_ipv4(lwstate, pkt, pkt_src_link) - return transmit_icmpv4_reply(lwstate, reply, pkt) + return transmit_icmpv4_reply(lwstate, reply, pkt, pkt_src_link) end local payload_length = get_ethernet_payload_length(pkt) From b0ac8313b53b9acb82b4985ab6da7298840c3faf Mon Sep 17 00:00:00 2001 From: Timo Buhrmester Date: Sat, 17 Sep 2016 20:34:24 +0000 Subject: [PATCH 234/340] lib.ipsec.esp: Get rid of awkwardly named dual-use variable, slightly improve clarity --- src/lib/ipsec/esp.lua | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/src/lib/ipsec/esp.lua b/src/lib/ipsec/esp.lua index 7bd6ba5195..14693936d7 100644 --- a/src/lib/ipsec/esp.lua +++ b/src/lib/ipsec/esp.lua @@ -169,16 +169,17 @@ function esp_v6_decrypt:decapsulate (p) -- Assuming b) means 'in time', since systematic loss could stall resync indefinitely. self.decap_fail = self.decap_fail + 1 if self.decap_fail >= ESP_RESYNC_THRESHOLD then - local seq_high_tmp = seq_high + local resync_start if seq_high >= 0 then -- We failed to decrypt in-place, undo the damage to recover the original ctext gcm:encrypt(ctext_start, iv_start, seq_low, seq_high, ctext_start, ctext_length, ffi.new("uint8_t[?]", gcm.AUTH_SIZE)) + resync_start = seq_high + 1 else - seq_high_tmp = self:seq_high() -- use the last seq_high we saw if it looked replayed + resync_start = self:seq_high() + 1 -- use the last seq_high we saw if it looked replayed end self.decap_fail = 0 -- avoid immediate re-triggering if resync fails - seq_high_tmp = self:resync(p, seq_low, seq_high_tmp + 1, ESP_RESYNC_ATTEMPTS) - if seq_high_tmp >= 0 then - seq_high = seq_high_tmp + local seq_high_resynced = self:resync(p, seq_low, resync_start, ESP_RESYNC_ATTEMPTS) + if seq_high_resynced >= 0 then + seq_high = seq_high_resynced -- resynced! the data has been decrypted in the process so we're ready to go else return false From 38ac409843fb11297ba366afb9f4d1480623bc2d Mon Sep 17 00:00:00 2001 From: Timo Buhrmester Date: Sun, 18 Sep 2016 12:01:30 +0000 Subject: [PATCH 235/340] lib.ipsec.esp: Add another test to verify we do not resync with very old, replayed packets --- src/lib/ipsec/esp.lua | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/lib/ipsec/esp.lua b/src/lib/ipsec/esp.lua index 14693936d7..09b5edfadc 100644 --- a/src/lib/ipsec/esp.lua +++ b/src/lib/ipsec/esp.lua @@ -348,4 +348,14 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ px = packet.clone(p) enc:encapsulate(px) assert(dec:decapsulate(px), "failed to resynchronize") + -- Make sure we don't accidentally resynchronize with very old replayed traffic + enc.seq.no = 42 + for i = 1, ESP_RESYNC_THRESHOLD-1 do + px = packet.clone(p) + enc:encapsulate(px) + assert(not dec:decapsulate(px), "decapsulated very old packet") + end + px = packet.clone(p) + enc:encapsulate(px) + assert(not dec:decapsulate(px), "resynchronized with the past!") end From f140d1c34d2c033d6b489669202ee16107fb8d39 Mon Sep 17 00:00:00 2001 From: Timo Buhrmester Date: Sun, 18 Sep 2016 20:17:37 +0000 Subject: [PATCH 236/340] lib.ipsec.esp: Make the resync threshold and depth configurable, add preliminary defaults; document it. --- src/lib/ipsec/README.md | 5 +++++ src/lib/ipsec/esp.lua | 16 +++++++++------- 2 files changed, 14 insertions(+), 7 deletions(-) diff --git a/src/lib/ipsec/README.md b/src/lib/ipsec/README.md index ded39ae388..0935522d3c 100644 --- a/src/lib/ipsec/README.md +++ b/src/lib/ipsec/README.md @@ -38,6 +38,11 @@ be a table with the following keys: * `spi` - “Security Parameter Index” as specified in RFC 4303. * `window_size` - *Optional*. Width of the window in which out of order packets are accepted. The default is 128. (`esp_v6_decrypt` only.) +* `resync_threshold` - *Optional*. Number of consecutive packets that failed + authentication before triggering RFC4303 App. A3 resynchronization. + The default is 1024. +* `resync_attempts` - *Optional*. Number of attempts to resynchronize + a packet that triggered the resync process (see above). The default is 8. — Method **esp_v6_encrypt:encapsulate** *packet* diff --git a/src/lib/ipsec/esp.lua b/src/lib/ipsec/esp.lua index 09b5edfadc..099b426689 100644 --- a/src/lib/ipsec/esp.lua +++ b/src/lib/ipsec/esp.lua @@ -48,8 +48,6 @@ local PAYLOAD_OFFSET = ETHERNET_SIZE + IPV6_SIZE local ESP_NH = 50 -- https://tools.ietf.org/html/rfc4303#section-2 local ESP_SIZE = esp:sizeof() local ESP_TAIL_SIZE = esp_tail:sizeof() -local ESP_RESYNC_THRESHOLD = 4 -- Resync after this many consecutive failed decaps -local ESP_RESYNC_ATTEMPTS = 6 -- Try this many increments of seq_high function esp_v6_new (conf) assert(conf.mode == "aes-128-gcm", "Only supports aes-128-gcm.") @@ -127,6 +125,8 @@ function esp_v6_decrypt:new (conf) o.CTEXT_OFFSET = ESP_SIZE + gcm.IV_SIZE o.PLAIN_OVERHEAD = PAYLOAD_OFFSET + ESP_SIZE + gcm.IV_SIZE + gcm.AUTH_SIZE o.window_size = conf.window_size or 128 + o.resync_threshold = conf.resync_threshold or 1024 + o.resync_attempts = conf.resync_attempts or 8 assert(o.window_size % 8 == 0, "window_size must be a multiple of 8.") o.window = ffi.new(window_t, o.window_size / 8) o.decap_fail = 0 @@ -168,7 +168,7 @@ function esp_v6_decrypt:decapsulate (p) -- to fall inside the replay window (seq_lo-wise) and would look replayed, yet aren't. -- Assuming b) means 'in time', since systematic loss could stall resync indefinitely. self.decap_fail = self.decap_fail + 1 - if self.decap_fail >= ESP_RESYNC_THRESHOLD then + if self.decap_fail >= self.resync_threshold then local resync_start if seq_high >= 0 then -- We failed to decrypt in-place, undo the damage to recover the original ctext gcm:encrypt(ctext_start, iv_start, seq_low, seq_high, ctext_start, ctext_length, ffi.new("uint8_t[?]", gcm.AUTH_SIZE)) @@ -177,7 +177,7 @@ function esp_v6_decrypt:decapsulate (p) resync_start = self:seq_high() + 1 -- use the last seq_high we saw if it looked replayed end self.decap_fail = 0 -- avoid immediate re-triggering if resync fails - local seq_high_resynced = self:resync(p, seq_low, resync_start, ESP_RESYNC_ATTEMPTS) + local seq_high_resynced = self:resync(p, seq_low, resync_start, self.resync_attempts) if seq_high_resynced >= 0 then seq_high = seq_high_resynced -- resynced! the data has been decrypted in the process so we're ready to go @@ -224,7 +224,9 @@ function selftest () local conf = { spi = 0x0, mode = "aes-128-gcm", keymat = "00112233445566778899AABBCCDDEEFF", - salt = "00112233"} + salt = "00112233", + resync_threshold = 16, + resync_attempts = 8} local enc, dec = esp_v6_encrypt:new(conf), esp_v6_decrypt:new(conf) local payload = packet.from_string( [[abcdefghijklmnopqrstuvwxyz @@ -340,7 +342,7 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ assert(dec:decapsulate(px), "decapsulation failed") enc.seq:high(3) -- pretend there has been massive packet loss enc.seq:low(24) - for i = 1, ESP_RESYNC_THRESHOLD-1 do + for i = 1, dec.resync_threshold-1 do px = packet.clone(p) enc:encapsulate(px) assert(not dec:decapsulate(px), "decapsulated pre-resync packet") @@ -350,7 +352,7 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ assert(dec:decapsulate(px), "failed to resynchronize") -- Make sure we don't accidentally resynchronize with very old replayed traffic enc.seq.no = 42 - for i = 1, ESP_RESYNC_THRESHOLD-1 do + for i = 1, dec.resync_threshold-1 do px = packet.clone(p) enc:encapsulate(px) assert(not dec:decapsulate(px), "decapsulated very old packet") From eae37598c0c7fdb86b23429d94faa223d50d419b Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 16 Sep 2016 12:49:29 +0200 Subject: [PATCH 237/340] Separate test-data from core-end-to-end.sh --- .../tests/end-to-end/core-end-to-end.sh | 525 ++---------------- .../tests/end-to-end/end-to-end-vlan.sh | 7 +- .../lwaftr/tests/end-to-end/end-to-end.sh | 7 +- .../lwaftr/tests/end-to-end/test-data.sh | 340 ++++++++++++ 4 files changed, 383 insertions(+), 496 deletions(-) create mode 100755 src/program/lwaftr/tests/end-to-end/test-data.sh diff --git a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh index 2b0ac3f154..faef349fd3 100755 --- a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh @@ -85,496 +85,53 @@ function snabb_run_and_cmp { else snabb_run_and_cmp_two_interfaces $@ snabb_run_and_cmp_on_a_stick $@ - echo "All end-to-end lwAFTR tests passed." fi } -echo "Testing: from-internet IPv4 packet found in the binding table." -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua +export SNABB_LWAFTR="../../../../snabb lwaftr" +export TEST_OUT="/tmp" +export EMPTY="../data/empty.pcap" +export COUNTERS="../data/counters" -echo "Testing: from-internet IPv4 packet found in the binding table with vlan tag." -snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ - ${TEST_BASE}/tcp-frominet-bound-vlan.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-vlan.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua +source "test-data.sh" -echo "Testing: NDP: incoming NDP Neighbor Solicitation" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/ndp_incoming_ns.pcap \ - ${EMPTY} ${TEST_BASE}/ndp_outgoing_solicited_na.pcap \ - ${COUNTERS}/nofrag6-sol.lua - -echo "Testing: NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/ndp_incoming_ns_nonlwaftr.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/nofrag6.lua - -echo "Testing: NDP: IPv6 but not eth addr of next IPv6 hop set, do Neighbor Solicitation" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ - ${EMPTY} ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/ndp-ns-for-next-hop.lua - -echo "Testing: ARP: incoming ARP request" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/arp_request_recv.pcap ${EMPTY} \ - ${TEST_BASE}/arp_reply_send.pcap ${EMPTY} \ - ${COUNTERS}/nofrag4.lua - -echo "Testing: ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_without_mac4.conf \ - ${EMPTY} ${EMPTY} \ - ${TEST_BASE}/arp_request_send.pcap ${EMPTY} \ - ${COUNTERS}/arp-for-next-hop.lua - -# mergecap -F pcap -w ndp_without_dst_eth_compound.pcap tcp-fromb4-ipv6.pcap tcp-fromb4-tob4-ipv6.pcap -# mergecap -F pcap -w ndp_ns_and_recap.pcap recap-ipv6.pcap ndp_outgoing_ns.pcap -echo "Testing: NDP: Without receiving NA, next_hop6_mac not set" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ - ${EMPTY} ${TEST_BASE}/ndp_without_dst_eth_compound.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set-2pkts.lua - -# mergecap -F pcap -w ndp_getna_compound.pcap tcp-fromb4-ipv6.pcap \ -# ndp_incoming_solicited_na.pcap tcp-fromb4-tob4-ipv6.pcap -# mergecap -F pcap -w ndp_ns_and_recap.pcap ndp_outgoing_ns.pcap recap-ipv6.pcap -echo "Testing: NDP: With receiving NA, next_hop6_mac not initially set" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ - ${EMPTY} ${TEST_BASE}/ndp_getna_compound.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ndp_ns_and_recap.pcap \ - ${COUNTERS}/ndp-no-na-next-hop6-mac-not-set-3pkts.lua - -echo "Testing: IPv6 packet, next hop NA, packet, eth addr not set in configuration." -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp_withoutmac.conf \ - ${EMPTY} ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ndp_outgoing_ns.pcap \ - ${COUNTERS}/ndp-ns-for-next-hop.lua - -echo "Testing: from-internet IPv4 fragmented packets found in the binding table." -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-ipv4-3frags-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-reassembled.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-2.lua - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-2.lua - -echo "Testing: from-internet IPv4 fragmented packets found in the binding table, reversed." -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-ipv4-3frags-bound-reversed.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-reassembled.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-2.lua - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-2.lua - -echo "Testing: traffic class mapping" -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, original TTL=1." -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-bound-ttl1.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-time-expired.pcap ${EMPTY} \ - ${COUNTERS}/tcp-frominet-bound-ttl1.lua - -echo "Testing: from-B4 IPv4 fragmentation (2)" -snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1046.pcap \ - ${TEST_BASE}/tcp-ipv4-toinet-2fragments.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-1.lua - -echo "Testing: from-B4 IPv4 fragmentation (3)" -snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-fromb4-toinet-1500.pcap \ - ${TEST_BASE}/tcp-ipv4-toinet-3fragments.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-2.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (2)." -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-bound1494.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-2frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-3.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (3)." -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-bound-2734.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-3frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-4.lua - -echo "Testing: IPv6 reassembly (to one packet)." -snabb_run_and_cmp ${TEST_BASE}/big_mtu_no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ - ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled-1p.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua - -echo "Testing: IPv6 reassembly (out of order fragments)." -snabb_run_and_cmp ${TEST_BASE}/big_mtu_no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound-reverse.pcap \ - ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled-1p.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua - -echo "Testing: IPv6 reassembly (with max frags set to 1)." -snabb_run_and_cmp ${TEST_BASE}/no_icmp_maxfrags1.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-0p-ipv4.lua - -echo "Testing: IPv6 reassembly (followed by decapsulation)." -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-ipv6-2frags-bound.pcap \ - ${TEST_BASE}/tcp-ipv4-2ipv6frags-reassembled.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-3.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, drop policy." -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-drop.lua - -echo "Testing: from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, allow policy." -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp_allow.conf \ - ${TEST_BASE}/tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap ${EMPTY} \ - ${COUNTERS}/from-inet-ipv4-in-binding-big-packet-df-set-allow.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table, no ICMP." -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-1.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't), no ICMP." -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-1.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table (ICMP-on-fail)." -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-unbound.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-dst-host-unreachable.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua - -echo "Testing: from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)." -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/tcp-frominet-ip-bound-port-unbound.pcap ${EMPTY} \ - ${TEST_BASE}/icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-1p-icmpv4.lua - -echo "Testing: from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-none-1.lua - -echo "Testing: from-b4 to-internet IPv6 packet found in the binding table." -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: from-b4 to-internet IPv6 packet found in the binding table with vlan tag." -snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-vlan.pcap \ - ${TEST_BASE}/decap-ipv4-vlan.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, no ICMP" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-none-1.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table, (IPv4 matches, but port doesn't), no ICMP" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-none-1.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (ICMP-on-fail)" -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-unbound.pcap \ - ${EMPTY} ${TEST_BASE}/icmpv6-nogress.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua - -echo "Testing: from-b4 to-internet IPv6 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)" -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6-bound-port-unbound.pcap \ - ${EMPTY} ${TEST_BASE}/icmpv6-nogress-ip-bound-port-unbound.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-1.lua - -echo "Testing: from-to-b4 IPv6 packet, no hairpinning" -# The idea is that with hairpinning off, the packet goes out the inet interface -# and something else routes it back for re-encapsulation. It's not clear why -# this would be desired behaviour, but it's my reading of the RFC. -snabb_run_and_cmp ${TEST_BASE}/no_hairpin.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4-nohair.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: from-to-b4 IPv6 packet, with hairpinning" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning" -# Ping from 127:11:12:13:14:15:16:128 / 178.79.150.233+7850 to -# 178.79.150.1, which has b4 address 127:22:33:44:55:66:77:127 and is -# not port-restricted. -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request.pcap \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-from-aftr.pcap \ - ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning" -# As above, but a reply instead. -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply.pcap \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-from-aftr.pcap \ - ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping, with hairpinning, unbound" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-request-unbound.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua - -echo "Testing: from-to-b4 tunneled ICMPv4 ping reply, with hairpinning, port 0 not bound" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound.pcap \ - ${EMPTY} ${TEST_BASE}/hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv6-2.lua - -echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap \ - ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua - -echo "Testing: from-to-b4 TCP packet, with hairpinning, TTL 1, drop policy" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-ttl-1.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua - -echo "Testing: from-to-b4 IPv6 packet, with hairpinning, with vlan tag" -snabb_run_and_cmp ${TEST_BASE}/vlan.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-ipv6-vlan.pcap \ - ${EMPTY} ${TEST_BASE}/recap-ipv6-vlan.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-tob4-customBRIP-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-tocustom-BRIP-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: from-b4 IPv6 packet, with hairpinning, from B4 with custom lwAFTR address" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP-tob4-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-fromcustom-BRIP-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: from-b4 IPv6 packet, with hairpinning, different non-default lwAFTR addresses" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap \ - ${EMPTY} ${TEST_BASE}/recap-customBR-IPs-ipv6.pcap \ - ${COUNTERS}/from-to-b4-ipv6-hairpin.lua - -echo "Testing: sending non-IPv4 traffic to the IPv4 interface" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/tcp-afteraftr-ipv6-wrongiface.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua - -echo "Testing: sending non-IPv6 traffic to the IPv6 interface" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/tcp-frominet-bound-wrongiface.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/non-ipv4-traffic-to-ipv4-interface.lua - -# Test UDP packets - -echo "Testing: from-internet bound IPv4 UDP packet" -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6.lua - -echo "Testing: unfragmented IPv4 UDP -> outgoing IPv6 UDP fragments" -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/udp-frominet-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/udp-afteraftr-ipv6-2frags.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-6-outfrags.lua - -echo "Testing: IPv6 incoming UDP fragments -> unfragmented IPv4" -snabb_run_and_cmp ${TEST_BASE}/icmp_on_fail.conf \ - ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ - ${TEST_BASE}/udp-afteraftr-reassembled-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5-frags.lua - -echo "Testing: IPv6 incoming UDP fragments -> outgoing IPv4 UDP fragments" -snabb_run_and_cmp ${TEST_BASE}/small_ipv4_mtu_icmp.conf \ - ${EMPTY} ${TEST_BASE}/udp-fromb4-2frags-bound.pcap \ - ${TEST_BASE}/udp-afteraftr-ipv4-3frags.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-5.lua - -echo "Testing: IPv4 incoming UDP fragments -> outgoing IPv6 UDP fragments" -snabb_run_and_cmp ${TEST_BASE}/small_ipv6_mtu_no_icmp.conf \ - ${TEST_BASE}/udp-frominet-3frag-bound.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/udp-afteraftr-reassembled-ipv6-2frags.pcap \ - ${COUNTERS}/in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua - -# Test ICMP inputs (with and without drop policy) - -echo "Testing: incoming ICMPv4 echo request, matches binding table" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-request.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua - -echo "Testing: incoming ICMPv4 echo request, matches binding table, bad checksum" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-echo-request-invalid-icmp-checksum.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-2.lua - -echo "Testing: incoming ICMPv4 echo request, matches binding table, dropping ICMP" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-echo-request.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-3.lua - -echo "Testing: incoming ICMPv4 echo request, doesn't match binding table" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-echo-request-unbound.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-none-4.lua - -echo "Testing: incoming ICMPv4 echo reply, matches binding table" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-echo-reply.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-echo-reply.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-7.lua - -echo "Testing: incoming ICMPv4 3,4 'too big' notification, matches binding table" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${TEST_BASE}/incoming-icmpv4-34toobig.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/ipv6-tunneled-incoming-icmpv4-34toobig.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-8.lua - -echo "Testing: incoming ICMPv6 1,3 destination/address unreachable, OPE from internet" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 2,0 'too big' notification, OPE from internet" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-20pkttoobig-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp34-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 3,1 frag reassembly time exceeded, OPE from internet" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-31fragreassemblytimeexceeded-inet-OPE.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-none-2.lua - -echo "Testing: incoming ICMPv6 4,3 parameter problem, OPE from internet" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-43paramprob-inet-OPE.pcap \ - ${TEST_BASE}/response-ipv4-icmp31-inet.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-icmpv4-1.lua - -echo "Testing: incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" -snabb_run_and_cmp ${TEST_BASE}/tunnel_icmp.conf \ - ${EMPTY} ${TEST_BASE}/incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap \ - ${EMPTY} ${TEST_BASE}/response-ipv6-tunneled-icmpv4_31-tob4.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-hoplimhair.lua - -# Ingress filters - -echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (ACCEPT)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ - ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: ingress-filter: from-internet (IPv4) packet found in binding table (DROP)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ - ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-0p-drop.lua - -echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (ACCEPT)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: ingress-filter: from-b4 (IPv6) packet found in binding table (DROP)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/nofrag6.lua - -# Egress filters - -echo "Testing: egress-filter: to-internet (IPv4) (ACCEPT)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${EMPTY} \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4.lua - -echo "Testing: egress-filter: to-internet (IPv4) (DROP)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ - ${EMPTY} ${TEST_BASE}/tcp-fromb4-ipv6.pcap \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/nofrag6.lua - -echo "Testing: egress-filter: to-b4 (IPv4) (ACCEPT)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_accept.conf \ - ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${TEST_BASE}/tcp-afteraftr-ipv6-trafficclass.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-1.lua - -echo "Testing: egress-filter: to-b4 (IPv4) (DROP)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp_with_filters_drop.conf \ - ${TEST_BASE}/tcp-frominet-trafficclass.pcap ${EMPTY} \ - ${EMPTY} ${EMPTY} \ - ${COUNTERS}/in-1p-ipv4-out-0p-drop.lua +function read_column { + echo "${TEST_DATA[$1]}" +} -echo "Testing: ICMP Echo to AFTR (IPv4)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/ping-v4.pcap ${EMPTY} \ - ${TEST_BASE}/ping-v4-reply.pcap ${EMPTY} \ - ${COUNTERS}/nofrag4.lua +function read_column_pcap { + index=$1 + column="${TEST_DATA[$index]}" + if [[ ${#column} == 0 ]]; then + echo "${EMPTY}" + else + echo "${TEST_BASE}/$column" + fi +} -echo "Testing: ICMP Echo to AFTR (IPv4) + data" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${TEST_BASE}/ping-v4-and-data.pcap ${EMPTY} \ - ${TEST_BASE}/ping-v4-reply.pcap ${TEST_BASE}/tcp-afteraftr-ipv6.pcap \ - ${COUNTERS}/in-1p-ipv4-out-1p-ipv6-echo.lua +function run_test { + index=$1 + test_name="$(read_column $index)" + conf="${TEST_BASE}/$(read_column $((index + 1)))" + in_v4=$(read_column_pcap $(($index + 2))) + in_v6=$(read_column_pcap $(($index + 3))) + out_v4=$(read_column_pcap $(($index + 4))) + out_v6=$(read_column_pcap $(($index + 5))) + counters="${COUNTERS}/$(read_column $(($index + 6)))" + echo "Testing: $test_name" + snabb_run_and_cmp "$conf" "$in_v4" "$in_v6" "$out_v4" "$out_v6" "$counters" +} -echo "Testing: ICMP Echo to AFTR (IPv6)" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/ping-v6.pcap \ - ${EMPTY} ${TEST_BASE}/ping-v6-reply.pcap \ - ${COUNTERS}/icmpv6-ping-and-reply.lua +function next_test { + ROW_INDEX=$(($ROW_INDEX + 7)) + if [[ $ROW_INDEX -ge $TEST_SIZE ]]; then + echo "All end-to-end lwAFTR tests passed." + exit 0 + fi +} -echo "Testing: ICMP Echo to AFTR (IPv6) + data" -snabb_run_and_cmp ${TEST_BASE}/no_icmp.conf \ - ${EMPTY} ${TEST_BASE}/ping-v6-and-data.pcap \ - ${TEST_BASE}/decap-ipv4.pcap ${TEST_BASE}/ping-v6-reply.pcap \ - ${COUNTERS}/in-1p-ipv6-out-1p-ipv4-4-and-echo.lua +ROW_INDEX=0 +while true; do + run_test $ROW_INDEX + next_test +done diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh index bdc6df9fa6..f9472501eb 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end-vlan.sh @@ -1,8 +1,3 @@ #!/usr/bin/env bash -SNABB_LWAFTR="../../../../snabb lwaftr" \ -TEST_BASE=../data/vlan \ -TEST_OUT=/tmp \ -EMPTY=${TEST_BASE}/../empty.pcap \ -COUNTERS=${TEST_BASE}/../counters \ -./core-end-to-end.sh $@ +TEST_BASE=../data/vlan ./core-end-to-end.sh $@ diff --git a/src/program/lwaftr/tests/end-to-end/end-to-end.sh b/src/program/lwaftr/tests/end-to-end/end-to-end.sh index f2c973bfc6..f08d3330c2 100755 --- a/src/program/lwaftr/tests/end-to-end/end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/end-to-end.sh @@ -1,8 +1,3 @@ #!/usr/bin/env bash -SNABB_LWAFTR="../../../../snabb lwaftr" \ -TEST_BASE=../data/ \ -TEST_OUT=/tmp \ -EMPTY=${TEST_BASE}/empty.pcap \ -COUNTERS=${TEST_BASE}/counters \ -./core-end-to-end.sh $@ +TEST_BASE=../data ./core-end-to-end.sh $@ diff --git a/src/program/lwaftr/tests/end-to-end/test-data.sh b/src/program/lwaftr/tests/end-to-end/test-data.sh new file mode 100755 index 0000000000..18863e0eb4 --- /dev/null +++ b/src/program/lwaftr/tests/end-to-end/test-data.sh @@ -0,0 +1,340 @@ +#/usr/bin/env bash + +# Contains an array of test cases. +# +# A test case is a group of 7 data fields (test name, lwaftr conf, v4_in, etc), +# structured as 3 rows. Spaces and new lines are not taken into account. +TEST_DATA=( +"from-internet IPv4 packet found in the binding table." +"icmp_on_fail.conf" "tcp-frominet-bound.pcap" "" "" "tcp-afteraftr-ipv6.pcap" +"in-1p-ipv4-out-1p-ipv6-1.lua" + +"from-internet IPv4 packet found in the binding table with vlan tag." +"vlan.conf" "tcp-frominet-bound-vlan.pcap" "" "" "tcp-afteraftr-ipv6-vlan.pcap" +"in-1p-ipv4-out-1p-ipv6-1.lua" + +"NDP: incoming NDP Neighbor Solicitation" +"tunnel_icmp.conf" "" "ndp_incoming_ns.pcap" "" "ndp_outgoing_solicited_na.pcap" +"nofrag6-sol.lua" + +"NDP: incoming NDP Neighbor Solicitation, non-lwAFTR IP" +"tunnel_icmp.conf" "" "ndp_incoming_ns_nonlwaftr.pcap" "" "" +"nofrag6.lua" + +"NDP: IPv6 but not eth addr of next IPv6 hop set, do Neighbor Solicitation" +"tunnel_icmp_withoutmac.conf" "" "" "" "ndp_outgoing_ns.pcap" +"ndp-ns-for-next-hop.lua" + +"ARP: incoming ARP request" +"tunnel_icmp.conf" "arp_request_recv.pcap" "" "arp_reply_send.pcap" "" +"nofrag4.lua" + +"ARP: IPv4 but not eth addr of next IPv4 hop set, send an ARP request" +"tunnel_icmp_without_mac4.conf" "" "" "arp_request_send.pcap" "" +"arp-for-next-hop.lua" + +# mergecap -F pcap -w ndp_without_dst_eth_compound.pcap tcp-fromb4-ipv6.pcap tcp-fromb4-tob4-ipv6.pcap +# mergecap -F pcap -w ndp_ns_and_recap.pcap recap-ipv6.pcap ndp_outgoing_ns.pcap +"NDP: Without receiving NA, next_hop6_mac not set" +"tunnel_icmp_withoutmac.conf" "" "ndp_without_dst_eth_compound.pcap" "decap-ipv4.pcap" "ndp_outgoing_ns.pcap" +"ndp-no-na-next-hop6-mac-not-set-2pkts.lua" + +# mergecap -F pcap -w ndp_getna_compound.pcap tcp-fromb4-ipv6.pcap \ +# ndp_incoming_solicited_na.pcap tcp-fromb4-tob4-ipv6.pcap +# mergecap -F pcap -w ndp_ns_and_recap.pcap ndp_outgoing_ns.pcap recap-ipv6.pcap +"NDP: With receiving NA, next_hop6_mac not initially set" +"tunnel_icmp_withoutmac.conf" "" "ndp_getna_compound.pcap" "decap-ipv4.pcap" "ndp_ns_and_recap.pcap" +"ndp-no-na-next-hop6-mac-not-set-3pkts.lua" + +"IPv6 packet, next hop NA, packet, eth addr not set in configuration." +"tunnel_icmp_withoutmac.conf" "" "" "" "ndp_outgoing_ns.pcap" +"ndp-ns-for-next-hop.lua" + +"from-internet IPv4 fragmented packets found in the binding table." +"icmp_on_fail.conf" "tcp-ipv4-3frags-bound.pcap" "" "" "tcp-afteraftr-ipv6-reassembled.pcap" +"in-1p-ipv4-out-1p-ipv6-2.lua" + +"from-internet IPv4 fragmented packets found in the binding table, reversed." +"icmp_on_fail.conf" "tcp-ipv4-3frags-bound-reversed.pcap" "" "" "tcp-afteraftr-ipv6-reassembled.pcap" +"in-1p-ipv4-out-1p-ipv6-2.lua" + +"traffic class mapping" +"icmp_on_fail.conf" "tcp-frominet-trafficclass.pcap" "" "" "tcp-afteraftr-ipv6-trafficclass.pcap" +"in-1p-ipv4-out-1p-ipv6-1.lua" + +"from-internet IPv4 packet found in the binding table, original TTL=1." +"icmp_on_fail.conf" "tcp-frominet-bound-ttl1.pcap" "" "icmpv4-time-expired.pcap" "" +"tcp-frominet-bound-ttl1.lua" + +"from-B4 IPv4 fragmentation (2)" +"small_ipv4_mtu_icmp.conf" "" "tcp-ipv6-fromb4-toinet-1046.pcap" "tcp-ipv4-toinet-2fragments.pcap" "" +"in-1p-ipv6-out-1p-ipv4-1.lua" + +"from-B4 IPv4 fragmentation (3)" +"small_ipv4_mtu_icmp.conf" "" "tcp-ipv6-fromb4-toinet-1500.pcap" "tcp-ipv4-toinet-3fragments.pcap" "" +"in-1p-ipv6-out-1p-ipv4-2.lua" + +"from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (2)." +"small_ipv6_mtu_no_icmp.conf" "tcp-frominet-bound1494.pcap" "" "" "tcp-afteraftr-ipv6-2frags.pcap" +"in-1p-ipv4-out-1p-ipv6-3.lua" + +"from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation (3)." +"small_ipv6_mtu_no_icmp.conf" "tcp-frominet-bound-2734.pcap" "" "" "tcp-afteraftr-ipv6-3frags.pcap" +"in-1p-ipv4-out-1p-ipv6-4.lua" + +"IPv6 reassembly (to one packet)." +"big_mtu_no_icmp.conf" "" "tcp-ipv6-2frags-bound.pcap" "tcp-ipv4-2ipv6frags-reassembled-1p.pcap" "" +"in-1p-ipv6-out-1p-ipv4-3.lua" + +"IPv6 reassembly (out of order fragments)." +"big_mtu_no_icmp.conf" "" "tcp-ipv6-2frags-bound-reverse.pcap" "tcp-ipv4-2ipv6frags-reassembled-1p.pcap" "" +"in-1p-ipv6-out-1p-ipv4-3.lua" + +"IPv6 reassembly (with max frags set to 1)." +"no_icmp_maxfrags1.conf" "" "tcp-ipv6-2frags-bound.pcap" "" "" +"in-1p-ipv6-out-0p-ipv4.lua" + +"IPv6 reassembly (followed by decapsulation)." +"small_ipv6_mtu_no_icmp.conf" "" "tcp-ipv6-2frags-bound.pcap" "tcp-ipv4-2ipv6frags-reassembled.pcap" "" +"in-1p-ipv6-out-1p-ipv4-3.lua" + +"from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, drop policy." +"small_ipv6_mtu_no_icmp.conf" "tcp-frominet-bound1494-DF.pcap" "" "" "" +"from-inet-ipv4-in-binding-big-packet-df-set-drop.lua" + +"from-internet IPv4 packet found in the binding table, needs IPv6 fragmentation, DF set, ICMP-3,4, allow policy." +"small_ipv6_mtu_no_icmp_allow.conf" "tcp-frominet-bound1494-DF.pcap" "" "icmpv4-fromlwaftr-replyto-tcp-frominet-bound1494-DF.pcap" "" +"from-inet-ipv4-in-binding-big-packet-df-set-allow.lua" + +"from-internet IPv4 packet NOT found in the binding table, no ICMP." +"no_icmp.conf" "tcp-frominet-unbound.pcap" "" "" "" +"in-1p-ipv4-out-none-1.lua" + +"from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't), no ICMP." +"no_icmp.conf" "tcp-frominet-ip-bound-port-unbound.pcap" "" "" "" +"in-1p-ipv4-out-none-1.lua" + +"from-internet IPv4 packet NOT found in the binding table (ICMP-on-fail)." +"icmp_on_fail.conf" "tcp-frominet-unbound.pcap" "" "icmpv4-dst-host-unreachable.pcap" "" +"in-1p-ipv4-out-1p-icmpv4.lua" + +"from-internet IPv4 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)." +"icmp_on_fail.conf" "tcp-frominet-ip-bound-port-unbound.pcap" "" "icmpv4-dst-host-unreachable-ip-bound-port-unbound.pcap" "" +"in-1p-ipv4-out-1p-icmpv4.lua" + +"from-to-b4 IPv6 packet NOT found in the binding table, no ICMP." +"no_icmp.conf" "" "tcp-afteraftr-ipv6.pcap" "" "" +"in-1p-ipv6-out-none-1.lua" + +"from-b4 to-internet IPv6 packet found in the binding table." +"no_icmp.conf" "" "tcp-fromb4-ipv6.pcap" "decap-ipv4.pcap" "" +"in-1p-ipv6-out-1p-ipv4-4.lua" + +"from-b4 to-internet IPv6 packet found in the binding table with vlan tag." +"vlan.conf" "" "tcp-fromb4-ipv6-vlan.pcap" "decap-ipv4-vlan.pcap" "" +"in-1p-ipv6-out-1p-ipv4-4.lua" + +"from-b4 to-internet IPv6 packet NOT found in the binding table, no ICMP" +"no_icmp.conf" "" "tcp-fromb4-ipv6-unbound.pcap" "" "" +"in-1p-ipv6-out-none-1.lua" + +"from-b4 to-internet IPv6 packet NOT found in the binding table, (IPv4 matches, but port doesn't), no ICMP" +"no_icmp.conf" "" "tcp-fromb4-ipv6-bound-port-unbound.pcap" "" "" +"in-1p-ipv6-out-none-1.lua" + +"from-b4 to-internet IPv6 packet NOT found in the binding table (ICMP-on-fail)" +"icmp_on_fail.conf" "" "tcp-fromb4-ipv6-unbound.pcap" "" "icmpv6-nogress.pcap" +"in-1p-ipv6-out-1p-icmpv6-1.lua" + +"from-b4 to-internet IPv6 packet NOT found in the binding table (IPv4 matches, but port doesn't) (ICMP-on-fail)" +"icmp_on_fail.conf" "" "tcp-fromb4-ipv6-bound-port-unbound.pcap" "" "icmpv6-nogress-ip-bound-port-unbound.pcap" +"in-1p-ipv6-out-1p-icmpv6-1.lua" + +# The idea is that with hairpinning off, the packet goes out the inet interface +# and something else routes it back for re-encapsulation. It is not clear why +# this would be desired behaviour, but it is my reading of the RFC. +"from-to-b4 IPv6 packet, no hairpinning" +"no_hairpin.conf" "" "tcp-fromb4-tob4-ipv6.pcap" "decap-ipv4-nohair.pcap" "" +"in-1p-ipv6-out-1p-ipv4-4.lua" + +"from-to-b4 IPv6 packet, with hairpinning" +"no_icmp.conf" "" "tcp-fromb4-tob4-ipv6.pcap" "" "recap-ipv6.pcap" +"from-to-b4-ipv6-hairpin.lua" + +# Ping from 127:11:12:13:14:15:16:128 / 178.79.150.233+7850 to +# 178.79.150.1, which has b4 address 127:22:33:44:55:66:77:127 and is +# not port-restricted. +"from-to-b4 tunneled ICMPv4 ping, with hairpinning" +"tunnel_icmp.conf" "" "hairpinned-icmpv4-echo-request.pcap" "" "hairpinned-icmpv4-echo-request-from-aftr.pcap" +"from-to-b4-tunneled-icmpv4-ping-hairpin.lua" + +# As above, but a reply instead. +"from-to-b4 tunneled ICMPv4 ping reply, with hairpinning" +"tunnel_icmp.conf" "" "hairpinned-icmpv4-echo-reply.pcap" "" "hairpinned-icmpv4-echo-reply-from-aftr.pcap" +"from-to-b4-tunneled-icmpv4-ping-hairpin.lua" + +"from-to-b4 tunneled ICMPv4 ping, with hairpinning, unbound" +"tunnel_icmp.conf" "" "hairpinned-icmpv4-echo-request-unbound.pcap" "" "" +"from-to-b4-tunneled-icmpv4-ping-hairpin-unbound.lua" + +"from-to-b4 tunneled ICMPv4 ping reply, with hairpinning, port 0 not bound" +"tunnel_icmp.conf" "" "hairpinned-icmpv4-echo-reply-unbound.pcap" "" "hairpinned-icmpv4-echo-reply-unbound-from-aftr.pcap" +"in-1p-ipv6-out-1p-icmpv6-2.lua" + +"from-to-b4 TCP packet, with hairpinning, TTL 1" +"tunnel_icmp.conf" "" "tcp-fromb4-tob4-ipv6-ttl-1.pcap" "" "tcp-fromb4-tob4-ipv6-ttl-1-reply.pcap" +"in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1.lua" + +"from-to-b4 TCP packet, with hairpinning, TTL 1, drop policy" +"no_icmp.conf" "" "tcp-fromb4-tob4-ipv6-ttl-1.pcap" "" "" +"in-ipv4-ipv6-out-icmpv4-ipv6-hairpin-1-drop.lua" + +"from-to-b4 IPv6 packet, with hairpinning, with vlan tag" +"vlan.conf" "" "tcp-fromb4-tob4-ipv6-vlan.pcap" "" "recap-ipv6-vlan.pcap" +"from-to-b4-ipv6-hairpin.lua" + +"from-b4 IPv6 packet, with hairpinning, to B4 with custom lwAFTR address" +"no_icmp.conf" "" "tcp-fromb4-tob4-customBRIP-ipv6.pcap" "" "recap-tocustom-BRIP-ipv6.pcap" +"from-to-b4-ipv6-hairpin.lua" + +"from-b4 IPv6 packet, with hairpinning, from B4 with custom lwAFTR address" +"no_icmp.conf" "" "tcp-fromb4-customBRIP-tob4-ipv6.pcap" "" "recap-fromcustom-BRIP-ipv6.pcap" +"from-to-b4-ipv6-hairpin.lua" + +"from-b4 IPv6 packet, with hairpinning, different non-default lwAFTR addresses" +"no_icmp.conf" "" "tcp-fromb4-customBRIP1-tob4-customBRIP2-ipv6.pcap" "" "recap-customBR-IPs-ipv6.pcap" +"from-to-b4-ipv6-hairpin.lua" + +"sending non-IPv4 traffic to the IPv4 interface" +"no_icmp.conf" "tcp-afteraftr-ipv6-wrongiface.pcap" "" "" "" +"non-ipv6-traffic-to-ipv6-interface.lua" + +"sending non-IPv6 traffic to the IPv6 interface" +"no_icmp.conf" "" "tcp-frominet-bound-wrongiface.pcap" "" "" +"non-ipv4-traffic-to-ipv4-interface.lua" + +# Test UDP packets + +"from-internet bound IPv4 UDP packet" +"icmp_on_fail.conf" "udp-frominet-bound.pcap" "" "" "udp-afteraftr-ipv6.pcap" +"in-1p-ipv4-out-1p-ipv6-6.lua" + +"unfragmented IPv4 UDP -> outgoing IPv6 UDP fragments" +"small_ipv6_mtu_no_icmp.conf" "udp-frominet-bound.pcap" "" "" "udp-afteraftr-ipv6-2frags.pcap" +"in-1p-ipv4-out-1p-ipv6-6-outfrags.lua" + +"IPv6 incoming UDP fragments -> unfragmented IPv4" +"icmp_on_fail.conf" "" "udp-fromb4-2frags-bound.pcap" "udp-afteraftr-reassembled-ipv4.pcap" "" +"in-1p-ipv6-out-1p-ipv4-5-frags.lua" + +"IPv6 incoming UDP fragments -> outgoing IPv4 UDP fragments" +"small_ipv4_mtu_icmp.conf" "" "udp-fromb4-2frags-bound.pcap" "udp-afteraftr-ipv4-3frags.pcap" "" +"in-1p-ipv6-out-1p-ipv4-5.lua" + +"IPv4 incoming UDP fragments -> outgoing IPv6 UDP fragments" +"small_ipv6_mtu_no_icmp.conf" "udp-frominet-3frag-bound.pcap" "" "" "udp-afteraftr-reassembled-ipv6-2frags.pcap" +"in-1p-ipv4-infrags-out-1p-ipv6-6-outfrags.lua" + +# Test ICMP inputs (with and without drop policy) + +"incoming ICMPv4 echo request, matches binding table" +"tunnel_icmp.conf" "incoming-icmpv4-echo-request.pcap" "" "" "ipv6-tunneled-incoming-icmpv4-echo-request.pcap" +"in-1p-ipv4-out-1p-ipv6-7.lua" + +"incoming ICMPv4 echo request, matches binding table, bad checksum" +"tunnel_icmp.conf" "incoming-icmpv4-echo-request-invalid-icmp-checksum.pcap" "" "" "" +"in-1p-ipv4-out-none-2.lua" + +"incoming ICMPv4 echo request, matches binding table, dropping ICMP" +"no_icmp.conf" "incoming-icmpv4-echo-request.pcap" "" "" "" +"in-1p-ipv4-out-none-3.lua" + +"incoming ICMPv4 echo request, doesn't match binding table" +"tunnel_icmp.conf" "incoming-icmpv4-echo-request-unbound.pcap" "" "" "" +"in-1p-ipv4-out-none-4.lua" + +"incoming ICMPv4 echo reply, matches binding table" +"tunnel_icmp.conf" "incoming-icmpv4-echo-reply.pcap" "" "" "ipv6-tunneled-incoming-icmpv4-echo-reply.pcap" +"in-1p-ipv4-out-1p-ipv6-7.lua" + +"incoming ICMPv4 3,4 'too big' notification, matches binding table" +"tunnel_icmp.conf" "incoming-icmpv4-34toobig.pcap" "" "" "ipv6-tunneled-incoming-icmpv4-34toobig.pcap" +"in-1p-ipv4-out-1p-ipv6-8.lua" + +"incoming ICMPv6 1,3 destination/address unreachable, OPE from internet" +"tunnel_icmp.conf" "" "incoming-icmpv6-13dstaddressunreach-inet-OPE.pcap" "response-ipv4-icmp31-inet.pcap" "" +"in-1p-ipv6-out-1p-icmpv4-1.lua" + +"incoming ICMPv6 2,0 'too big' notification, OPE from internet" +"tunnel_icmp.conf" "" "incoming-icmpv6-20pkttoobig-inet-OPE.pcap" "response-ipv4-icmp34-inet.pcap" "" +"in-1p-ipv6-out-1p-icmpv4-1.lua" + +"incoming ICMPv6 3,0 hop limit exceeded, OPE from internet" +"tunnel_icmp.conf" "" "incoming-icmpv6-30hoplevelexceeded-inet-OPE.pcap" "response-ipv4-icmp31-inet.pcap" "" +"in-1p-ipv6-out-1p-icmpv4-1.lua" + +"incoming ICMPv6 3,1 frag reassembly time exceeded, OPE from internet" +"tunnel_icmp.conf" "" "incoming-icmpv6-31fragreassemblytimeexceeded-inet-OPE.pcap" "" "" +"in-1p-ipv6-out-none-2.lua" + +"incoming ICMPv6 4,3 parameter problem, OPE from internet" +"tunnel_icmp.conf" "" "incoming-icmpv6-43paramprob-inet-OPE.pcap" "response-ipv4-icmp31-inet.pcap" "" +"in-1p-ipv6-out-1p-icmpv4-1.lua" + +"incoming ICMPv6 3,0 hop limit exceeded, OPE hairpinned" +"tunnel_icmp.conf" "" "incoming-icmpv6-30hoplevelexceeded-hairpinned-OPE.pcap" "" "response-ipv6-tunneled-icmpv4_31-tob4.pcap" +"in-1p-ipv6-out-1p-ipv4-hoplimhair.lua" + +# Ingress filters + +"ingress-filter: from-internet (IPv4) packet found in binding table (ACCEPT)" +"no_icmp_with_filters_accept.conf" "tcp-frominet-trafficclass.pcap" "" "" "tcp-afteraftr-ipv6-trafficclass.pcap" +"in-1p-ipv4-out-1p-ipv6-1.lua" + +"ingress-filter: from-internet (IPv4) packet found in binding table (DROP)" +"no_icmp_with_filters_drop.conf" "tcp-frominet-trafficclass.pcap" "" "" "" +"in-1p-ipv4-out-0p-drop.lua" + +"ingress-filter: from-b4 (IPv6) packet found in binding table (ACCEPT)" +"no_icmp_with_filters_accept.conf" "" "tcp-fromb4-ipv6.pcap" "decap-ipv4.pcap" "" +"in-1p-ipv6-out-1p-ipv4-4.lua" + +"ingress-filter: from-b4 (IPv6) packet found in binding table (DROP)" +"no_icmp_with_filters_drop.conf" "" "tcp-fromb4-ipv6.pcap" "" "" +"nofrag6.lua" + +# Egress filters + +"egress-filter: to-internet (IPv4) (ACCEPT)" +"no_icmp_with_filters_accept.conf" "" "tcp-fromb4-ipv6.pcap" "decap-ipv4.pcap" "" +"in-1p-ipv6-out-1p-ipv4-4.lua" + +"egress-filter: to-internet (IPv4) (DROP)" +"no_icmp_with_filters_drop.conf" "" "tcp-fromb4-ipv6.pcap" "" "" +"nofrag6.lua" + +"egress-filter: to-b4 (IPv4) (ACCEPT)" +"no_icmp_with_filters_accept.conf" "tcp-frominet-trafficclass.pcap" "" "" "tcp-afteraftr-ipv6-trafficclass.pcap" +"in-1p-ipv4-out-1p-ipv6-1.lua" + +"egress-filter: to-b4 (IPv4) (DROP)" +"no_icmp_with_filters_drop.conf" "tcp-frominet-trafficclass.pcap" "" "" "" +"in-1p-ipv4-out-0p-drop.lua" + +"ICMP Echo to AFTR (IPv4)" +"no_icmp.conf" "ping-v4.pcap" "" "ping-v4-reply.pcap" "" +"nofrag4.lua" + +"ICMP Echo to AFTR (IPv4) + data" +"no_icmp.conf" "ping-v4-and-data.pcap" "" "ping-v4-reply.pcap" "tcp-afteraftr-ipv6.pcap" +"in-1p-ipv4-out-1p-ipv6-echo.lua" + +"ICMP Echo to AFTR (IPv6)" +"no_icmp.conf" "" "ping-v6.pcap" "" "ping-v6-reply.pcap" +"icmpv6-ping-and-reply.lua" + +"ICMP Echo to AFTR (IPv6) + data" +"no_icmp.conf" "" "ping-v6-and-data.pcap" "decap-ipv4.pcap" "ping-v6-reply.pcap" +"in-1p-ipv6-out-1p-ipv4-4-and-echo.lua" +) +TEST_SIZE=${#TEST_DATA[@]} From 2cd9a927eb093e649672bfefdc768623d08e61a3 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 19 Sep 2016 08:49:19 +0000 Subject: [PATCH 238/340] Document test data array entry --- src/program/lwaftr/tests/end-to-end/test-data.sh | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/src/program/lwaftr/tests/end-to-end/test-data.sh b/src/program/lwaftr/tests/end-to-end/test-data.sh index 18863e0eb4..507e269d16 100755 --- a/src/program/lwaftr/tests/end-to-end/test-data.sh +++ b/src/program/lwaftr/tests/end-to-end/test-data.sh @@ -2,8 +2,12 @@ # Contains an array of test cases. # -# A test case is a group of 7 data fields (test name, lwaftr conf, v4_in, etc), -# structured as 3 rows. Spaces and new lines are not taken into account. +# A test case is a group of 7 data fields, structured as 3 rows: +# - "test_name" +# - "lwaftr_conf" "in_v4" "in_v6" "out_v4" "out_v6" +# - "counters" +# +# Notice spaces and new lines are not taken into account. TEST_DATA=( "from-internet IPv4 packet found in the binding table." "icmp_on_fail.conf" "tcp-frominet-bound.pcap" "" "" "tcp-afteraftr-ipv6.pcap" From bd29d04ae44ad62d54382389089992c3b12679d0 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 13 Sep 2016 10:37:19 +0000 Subject: [PATCH 239/340] Call flush_haipin if link is PKT_HAIRPINNED --- src/apps/lwaftr/lwaftr.lua | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 7c43b2f8fd..0be81d57b2 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -520,15 +520,16 @@ local function encapsulate_and_transmit(lwstate, pkt, ipv6_dst, ipv6_src, pkt_sr return transmit(lwstate.o6, pkt) end -local function enqueue_lookup(lwstate, pkt, ipv4, port, flush, pkt_src_link) - local lq - if pkt_src_link == PKT_FROM_INET then - lq = lwstate.inet_lookup_queue - elseif pkt_src_link == PKT_HAIRPINNED then - lq = lwstate.hairpin_lookup_queue - else - assert(false, "Programming error, bad pkt_src_link: " .. pkt_src_link) +local function select_lookup_queue (lwstate, link) + if link == PKT_FROM_INET then + return lwstate.inet_lookup_queue + elseif link == PKT_HAIRPINNED then + return lwstate.hairpin_lookup_queue end + assert(false, "Programming error, bad link: " .. link) +end + +local function enqueue_lookup(lwstate, pkt, ipv4, port, flush, lq) if lq:enqueue_lookup(pkt, ipv4, port) then -- Flush the queue right away if enough packets are queued up already. flush(lwstate) @@ -570,7 +571,9 @@ local function flush_encapsulation(lwstate) end local function enqueue_encapsulation(lwstate, pkt, ipv4, port, pkt_src_link) - enqueue_lookup(lwstate, pkt, ipv4, port, flush_encapsulation, pkt_src_link) + local lq = select_lookup_queue(lwstate, pkt_src_link) + local flush = lq == lwstate.inet_lookup_queue and flush_encapsulation or flush_hairpin + enqueue_lookup(lwstate, pkt, ipv4, port, flush, lq) end local function icmpv4_incoming(lwstate, pkt, pkt_src_link) @@ -752,7 +755,7 @@ local function flush_decapsulation(lwstate) end local function enqueue_decapsulation(lwstate, pkt, ipv4, port) - enqueue_lookup(lwstate, pkt, ipv4, port, flush_decapsulation, PKT_FROM_INET) + enqueue_lookup(lwstate, pkt, ipv4, port, flush_decapsulation, lwstate.inet_lookup_queue) end -- FIXME: Verify that the packet length is big enough? From 5aec24eb9da621d86a43f1979e64471b5e03b791 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 19 Sep 2016 13:45:51 +0200 Subject: [PATCH 240/340] Add test hairpin queue gets flushed --- .../counters/from-to-b4-ipv6-hairpin-n64.lua | 12 ++++++++++++ .../lwaftr/tests/data/recap-ipv6-n64.pcap | Bin 0 -> 7832 bytes .../tests/data/tcp-fromb4-tob4-ipv6-n64.pcap | Bin 0 -> 7832 bytes src/program/lwaftr/tests/end-to-end/test-data.sh | 4 ++++ 4 files changed, 16 insertions(+) create mode 100644 src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin-n64.lua create mode 100644 src/program/lwaftr/tests/data/recap-ipv6-n64.pcap create mode 100644 src/program/lwaftr/tests/data/tcp-fromb4-tob4-ipv6-n64.pcap diff --git a/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin-n64.lua b/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin-n64.lua new file mode 100644 index 0000000000..5cdf552673 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/from-to-b4-ipv6-hairpin-n64.lua @@ -0,0 +1,12 @@ +return { + ["hairpin-ipv4-bytes"] = 4224, + ["hairpin-ipv4-packets"] = 64, + ["in-ipv6-bytes"] = 6784, + ["in-ipv6-frag-reassembly-unneeded"] = 64, + ["in-ipv6-packets"] = 64, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, + ["out-ipv6-bytes"] = 6784, + ["out-ipv6-frag-not"] = 64, + ["out-ipv6-packets"] = 64, +} diff --git a/src/program/lwaftr/tests/data/recap-ipv6-n64.pcap b/src/program/lwaftr/tests/data/recap-ipv6-n64.pcap new file mode 100644 index 0000000000000000000000000000000000000000..ebd88b962422964549bd7f7e759c53cc73102294 GIT binary patch literal 7832 zcmca|c+)~A1{MYw`2U}Qff2?5(pgaK0tQN8&~`Tgq{4*dKLZB?Cj%D)Hv5`!^=3qvSF8bdjwhAU8&V7UW>IopD*oBXG}1Y&+66NUhVb%s&MuWhp&7+|`n!-kN)o4jFT6&Jw7^Ai1Xv+Z9A{uRnC4d@- zqixU8_V#EWW3*p2+Ls*dKaY+XfX7NkTLz;ogVB+=(b31z5!caC=FyS$(bAcGKtFoOt#D1#WI z1_K8JCj%D)Hv1>5|soBXG}1Y&+66NUhVb%s&MuWhp&7+|`n!-kN)o4jFT6&Jw7^Ai1Xv+Z9A{uRnC4d@- zqixU8_V#EWW3*p2+Ls*dKaY+XfX7NkTLz;ogVB+=(b31z5!caC=FyS$(b Date: Mon, 19 Sep 2016 13:57:45 +0200 Subject: [PATCH 241/340] Add VLAN test --- src/program/lwaftr/tests/data/add-vlan.sh | 4 +++- .../lwaftr/tests/data/vlan/recap-ipv6-n64.pcap | Bin 0 -> 8088 bytes .../data/vlan/tcp-fromb4-tob4-ipv6-n64.pcap | Bin 0 -> 8088 bytes 3 files changed, 3 insertions(+), 1 deletion(-) create mode 100644 src/program/lwaftr/tests/data/vlan/recap-ipv6-n64.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/tcp-fromb4-tob4-ipv6-n64.pcap diff --git a/src/program/lwaftr/tests/data/add-vlan.sh b/src/program/lwaftr/tests/data/add-vlan.sh index d6c6592ead..c6910b66ec 100755 --- a/src/program/lwaftr/tests/data/add-vlan.sh +++ b/src/program/lwaftr/tests/data/add-vlan.sh @@ -1,4 +1,4 @@ -#!/bin/bash +#!/usr/bin/env bash # https://en.wikipedia.org/wiki/IEEE_802.1Q # 802.1q payload: @@ -77,6 +77,7 @@ V6=( recap-customBR-IPs-ipv6.pcap recap-fromcustom-BRIP-ipv6.pcap recap-ipv6.pcap + recap-ipv6-n64.pcap recap-tocustom-BRIP-ipv6.pcap response-ipv6-tunneled-icmpv4_31-tob4.pcap tcp-afteraftr-ipv6-2frags.pcap @@ -92,6 +93,7 @@ V6=( tcp-fromb4-ipv6.pcap tcp-fromb4-tob4-customBRIP-ipv6.pcap tcp-fromb4-tob4-ipv6.pcap + tcp-fromb4-tob4-ipv6-n64.pcap tcp-ipv6-2frags-bound.pcap tcp-ipv6-2frags-bound-reverse.pcap tcp-fromb4-tob4-ipv6-ttl-1.pcap diff --git a/src/program/lwaftr/tests/data/vlan/recap-ipv6-n64.pcap b/src/program/lwaftr/tests/data/vlan/recap-ipv6-n64.pcap new file mode 100644 index 0000000000000000000000000000000000000000..a4ebf62e291a8eca53bb81dee905ea5179708259 GIT binary patch literal 8088 zcmca|c+)~A1{MYw`2U}Qff2?5(s@wq0tQN8(8$1+)^;}mq{@WlKLZB?Cj%D)Hv5`!^=3qvSF8bdjwhAU8&V7UW>IopD*oBXG}1Y&+66NUhVb%s&MuWhp?Fe1fBXisXi7dhI49vwXx9XS~tH3IdJM@P(nVK6#kHacQ9I%1XpDh@_R b%tlAdMn}v>N6bb?%tlAdMn}ws(1;lTc`MY4 literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/data/vlan/tcp-fromb4-tob4-ipv6-n64.pcap b/src/program/lwaftr/tests/data/vlan/tcp-fromb4-tob4-ipv6-n64.pcap new file mode 100644 index 0000000000000000000000000000000000000000..659839dd623f81788fd4f6b2d7bdbf3e9a573056 GIT binary patch literal 8088 zcmca|c+)~A1{MYw`2U}Qff2?5(s@wq0tQN8(8$1+)^;}mq{@WlKchN>AcGKtFoOt# zD1#WI1_K8JCj%D)Hv1>5|soBXG}1Y&+66NUhVb%s&MuWhp?Fe1fBXisXi7dhI49vwXx9XS~tH3IdJM@P(nVK6#kHacQ9I%1XpDh@_R b%tlAdMn}v>N6bb?%tlAdMn}ws(1;lTziWRA literal 0 HcmV?d00001 From 43f4c3352b08e9978944f5ca78fe18cd6146243a Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 16 Sep 2016 08:59:37 +0000 Subject: [PATCH 242/340] Add program soaktest --- src/program/lwaftr/setup.lua | 86 +++++++++++++++++++++++- src/program/lwaftr/soaktest/README | 15 +++++ src/program/lwaftr/soaktest/README.inc | 1 + src/program/lwaftr/soaktest/soaktest.lua | 49 ++++++++++++++ 4 files changed, 149 insertions(+), 2 deletions(-) create mode 100644 src/program/lwaftr/soaktest/README create mode 120000 src/program/lwaftr/soaktest/README.inc create mode 100644 src/program/lwaftr/soaktest/soaktest.lua diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index d294210217..eb130bda5a 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -244,8 +244,6 @@ function load_check_on_a_stick (c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6 config.app(c, "tagv6", vlan.Tagger, { tag=conf.v6_vlan_tag }) end - local basic_apps = require("apps.basic.basic_apps") - local V4V6 = require("apps.lwaftr.V4V6").V4V6 config.app(c, 'v4v6', V4V6) config.app(c, 'splitter', V4V6) config.app(c, 'join', basic_apps.Join) @@ -307,3 +305,87 @@ function load_check(c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) link_source(c, unpack(sources)) link_sink(c, unpack(sinks)) end + +function load_soak_test(c, conf, inv4_pcap, inv6_pcap) + lwaftr_app(c, conf) + + config.app(c, "capturev4", pcap.PcapReader, inv4_pcap) + config.app(c, "capturev6", pcap.PcapReader, inv6_pcap) + config.app(c, "loop_v4", basic_apps.Repeater) + config.app(c, "loop_v6", basic_apps.Repeater) + config.app(c, "sink", basic_apps.Sink) + if conf.vlan_tagging then + config.app(c, "untagv4", vlan.Untagger, { tag=conf.v4_vlan_tag }) + config.app(c, "untagv6", vlan.Untagger, { tag=conf.v6_vlan_tag }) + config.app(c, "tagv4", vlan.Tagger, { tag=conf.v4_vlan_tag }) + config.app(c, "tagv6", vlan.Tagger, { tag=conf.v6_vlan_tag }) + end + + local sources = { "loop_v4.output", "loop_v6.output" } + local sinks = { "sink.v4", "sink.v6" } + + config.link(c, "capturev4.output -> loop_v4.input") + config.link(c, "capturev6.output -> loop_v6.input") + + if conf.vlan_tagging then + sources = { "untagv4.output", "untagv6.output" } + sinks = { "tagv4.input", "tagv6.input" } + + config.link(c, "loop_v4.output -> untagv4.input") + config.link(c, "loop_v6.output -> untagv6.input") + config.link(c, "tagv4.output -> sink.v4") + config.link(c, "tagv6.output -> sink.v6") + end + + link_source(c, unpack(sources)) + link_sink(c, unpack(sinks)) +end + +function load_soak_test_on_a_stick (c, conf, inv4_pcap, inv6_pcap) + lwaftr_app(c, conf) + + config.app(c, "capturev4", pcap.PcapReader, inv4_pcap) + config.app(c, "capturev6", pcap.PcapReader, inv6_pcap) + config.app(c, "loop_v4", basic_apps.Repeater) + config.app(c, "loop_v6", basic_apps.Repeater) + config.app(c, "sink", basic_apps.Sink) + if conf.vlan_tagging then + config.app(c, "untagv4", vlan.Untagger, { tag=conf.v4_vlan_tag }) + config.app(c, "untagv6", vlan.Untagger, { tag=conf.v6_vlan_tag }) + config.app(c, "tagv4", vlan.Tagger, { tag=conf.v4_vlan_tag }) + config.app(c, "tagv6", vlan.Tagger, { tag=conf.v6_vlan_tag }) + end + + config.app(c, 'v4v6', V4V6) + config.app(c, 'splitter', V4V6) + config.app(c, 'join', basic_apps.Join) + + local sources = { "v4v6.v4", "v4v6.v6" } + local sinks = { "v4v6.v4", "v4v6.v6" } + + config.link(c, "capturev4.output -> loop_v4.input") + config.link(c, "capturev6.output -> loop_v6.input") + + if conf.vlan_tagging then + config.link(c, "loop_v4.output -> untagv4.input") + config.link(c, "loop_v6.output -> untagv6.input") + config.link(c, "untagv4.output -> join.in1") + config.link(c, "untagv6.output -> join.in2") + config.link(c, "join.out -> v4v6.input") + config.link(c, "v4v6.output -> splitter.input") + config.link(c, "splitter.v4 -> tagv4.input") + config.link(c, "splitter.v6 -> tagv6.input") + config.link(c, "tagv4.output -> sink.in1") + config.link(c, "tagv6.output -> sink.in2") + else + config.link(c, "loop_v4.output -> join.in1") + config.link(c, "loop_v6.output -> join.in2") + config.link(c, "join.out -> v4v6.input") + config.link(c, "v4v6.output -> splitter.input") + config.link(c, "splitter.v4 -> sink.in1") + config.link(c, "splitter.v6 -> sink.in2") + end + + link_source(c, unpack(sources)) + link_sink(c, unpack(sinks)) +end diff --git a/src/program/lwaftr/soaktest/README b/src/program/lwaftr/soaktest/README new file mode 100644 index 0000000000..68c00b9a6e --- /dev/null +++ b/src/program/lwaftr/soaktest/README @@ -0,0 +1,15 @@ +Usage: soaktest CONF V4-IN.PCAP V6-IN.PCAP + + -h, --help + Print usage information. + -D, --duration + Run for duration seconds. + Default: 0.10 seconds. + --on-a-stick + Run in on-a-stick mode. + +Soaktest tests lwAFTR app over a period of time to validate system +behaviour under production use. + +It's aimed to detect problems such as memory leaks which only manifest +themselves after multiple start-stop cycles. diff --git a/src/program/lwaftr/soaktest/README.inc b/src/program/lwaftr/soaktest/README.inc new file mode 120000 index 0000000000..100b93820a --- /dev/null +++ b/src/program/lwaftr/soaktest/README.inc @@ -0,0 +1 @@ +README \ No newline at end of file diff --git a/src/program/lwaftr/soaktest/soaktest.lua b/src/program/lwaftr/soaktest/soaktest.lua new file mode 100644 index 0000000000..f41cd373ec --- /dev/null +++ b/src/program/lwaftr/soaktest/soaktest.lua @@ -0,0 +1,49 @@ +module(..., package.seeall) + +local config = require("core.config") +local lib = require("core.lib") +local lwconf = require('apps.lwaftr.conf') +local setup = require("program.lwaftr.setup") + +local long_opts = { + duration="D", + help="h", + ["on-a-stick"] = 0, +} + +function show_usage(code) + print(require("program.lwaftr.soaktest.README_inc")) + main.exit(code) +end + +function parse_args (args) + local handlers = {} + local opts = {} + function handlers.h() show_usage(0) end + function handlers.D (arg) + opts.duration = tonumber(arg, "Duration must be a number") + end + handlers["on-a-stick"] = function () + opts["on-a-stick"] = true + end + args = lib.dogetopt(args, handlers, "D:h", long_opts) + if #args ~= 3 then print("Wrong number of arguments: "..#args) show_usage(1) end + if not opts.duration then opts.duration = 0.10 end + return opts, args +end + +function run (args) + local opts, args = parse_args(args) + local conf_file, inv4_pcap, inv6_pcap = unpack(args) + + local load_soak_test = opts["on-a-stick"] and setup.load_soak_test_on_a_stick + or setup.load_soak_test + local c = config.new() + local conf = lwconf.load_lwaftr_config(conf_file) + load_soak_test(c, conf, inv4_pcap, inv6_pcap) + + engine.configure(c) + engine.main({duration=opts.duration}) + + print("done") +end From f9f8639630b5dfc691f5e46ddf7f73cd3c6ab2f9 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 19 Sep 2016 06:44:29 +0000 Subject: [PATCH 243/340] Add soaktest script for CI testing --- .../tests/end-to-end/core-end-to-end.sh | 14 ----- .../lwaftr/tests/end-to-end/core-soaktest.sh | 51 +++++++++++++++++++ .../lwaftr/tests/end-to-end/selftest.sh | 2 + .../lwaftr/tests/end-to-end/soaktest-vlan.sh | 3 ++ .../lwaftr/tests/end-to-end/soaktest.sh | 3 ++ .../lwaftr/tests/end-to-end/test-data.sh | 14 +++++ 6 files changed, 73 insertions(+), 14 deletions(-) create mode 100755 src/program/lwaftr/tests/end-to-end/core-soaktest.sh create mode 100755 src/program/lwaftr/tests/end-to-end/soaktest-vlan.sh create mode 100755 src/program/lwaftr/tests/end-to-end/soaktest.sh diff --git a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh index faef349fd3..0f608b5f05 100755 --- a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh @@ -95,20 +95,6 @@ export COUNTERS="../data/counters" source "test-data.sh" -function read_column { - echo "${TEST_DATA[$1]}" -} - -function read_column_pcap { - index=$1 - column="${TEST_DATA[$index]}" - if [[ ${#column} == 0 ]]; then - echo "${EMPTY}" - else - echo "${TEST_BASE}/$column" - fi -} - function run_test { index=$1 test_name="$(read_column $index)" diff --git a/src/program/lwaftr/tests/end-to-end/core-soaktest.sh b/src/program/lwaftr/tests/end-to-end/core-soaktest.sh new file mode 100755 index 0000000000..3a3343c1bd --- /dev/null +++ b/src/program/lwaftr/tests/end-to-end/core-soaktest.sh @@ -0,0 +1,51 @@ +#!/usr/bin/env bash + +if [[ $EUID -ne 0 ]]; then + echo "This script must be run as root" 1>&2 + exit 1 +fi + +export SNABB_LWAFTR="../../../../snabb lwaftr" +export TEST_OUT="/tmp" +export EMPTY="../data/empty.pcap" +export COUNTERS="../data/counters" + +source "test-data.sh" + +function quit_with_msg { + errno=$1; msg="$2" + echo "Test failed: $msg" + exit $errno +} + +function soaktest { + conf="$1"; in_v4="$2"; in_v6="$3" + $SNABB_LWAFTR soaktest "$conf" "$in_v4" "$in_v6" || + quit_with_msg $? "Test failed: $SNABB_LWAFTR soaktest $@" + $SNABB_LWAFTR soaktest --on-a-stick "$conf" "$in_v4" "$in_v6" || + quit_with_msg $? "Test failed: $SNABB_LWAFTR soaktest --on-a-stick $@" +} + +function run_test { + index=$1 + test_name="$(read_column $index)" + conf="${TEST_BASE}/$(read_column $((index + 1)))" + in_v4=$(read_column_pcap $(($index + 2))) + in_v6=$(read_column_pcap $(($index + 3))) + echo "Testing: $test_name" + soaktest "$conf" "$in_v4" "$in_v6" +} + +function next_test { + ROW_INDEX=$(($ROW_INDEX + 7)) + if [[ $ROW_INDEX -ge $TEST_SIZE ]]; then + echo "All lwAFTR soak tests passed." + exit 0 + fi +} + +ROW_INDEX=0 +while true; do + run_test $ROW_INDEX + next_test +done diff --git a/src/program/lwaftr/tests/end-to-end/selftest.sh b/src/program/lwaftr/tests/end-to-end/selftest.sh index f31ef23822..c57c0ae0ff 100755 --- a/src/program/lwaftr/tests/end-to-end/selftest.sh +++ b/src/program/lwaftr/tests/end-to-end/selftest.sh @@ -2,3 +2,5 @@ cd "`dirname \"$0\"`" ./end-to-end.sh ./end-to-end-vlan.sh +./soaktest.sh +./soaktest-vlan.sh diff --git a/src/program/lwaftr/tests/end-to-end/soaktest-vlan.sh b/src/program/lwaftr/tests/end-to-end/soaktest-vlan.sh new file mode 100755 index 0000000000..c42c27b938 --- /dev/null +++ b/src/program/lwaftr/tests/end-to-end/soaktest-vlan.sh @@ -0,0 +1,3 @@ +#!/usr/bin/env bash + +TEST_BASE=../data/vlan ./core-soaktest.sh $@ diff --git a/src/program/lwaftr/tests/end-to-end/soaktest.sh b/src/program/lwaftr/tests/end-to-end/soaktest.sh new file mode 100755 index 0000000000..a1ff717334 --- /dev/null +++ b/src/program/lwaftr/tests/end-to-end/soaktest.sh @@ -0,0 +1,3 @@ +#!/usr/bin/env bash + +TEST_BASE=../data ./core-soaktest.sh $@ diff --git a/src/program/lwaftr/tests/end-to-end/test-data.sh b/src/program/lwaftr/tests/end-to-end/test-data.sh index 5d53a99ee6..1075220d75 100755 --- a/src/program/lwaftr/tests/end-to-end/test-data.sh +++ b/src/program/lwaftr/tests/end-to-end/test-data.sh @@ -346,3 +346,17 @@ TEST_DATA=( "in-1p-ipv6-out-1p-ipv4-4-and-echo.lua" ) TEST_SIZE=${#TEST_DATA[@]} + +function read_column { + echo "${TEST_DATA[$1]}" +} + +function read_column_pcap { + index=$1 + column="${TEST_DATA[$index]}" + if [[ ${#column} == 0 ]]; then + echo "${EMPTY}" + else + echo "${TEST_BASE}/$column" + fi +} From 65804a8c5e27e255968ef330923148dfdc5b6c0c Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 19 Sep 2016 14:16:28 +0000 Subject: [PATCH 244/340] Move soaktest to own folder --- .../tests/end-to-end/core-end-to-end.sh | 36 +++--------- .../lwaftr/tests/end-to-end/core-soaktest.sh | 51 ---------------- .../lwaftr/tests/end-to-end/selftest.sh | 2 - .../end-to-end/{test-data.sh => test_env.sh} | 58 ++++++++++++++----- .../lwaftr/tests/soaktest/core-soaktest.sh | 32 ++++++++++ src/program/lwaftr/tests/soaktest/selftest.sh | 4 ++ .../{end-to-end => soaktest}/soaktest-vlan.sh | 0 .../{end-to-end => soaktest}/soaktest.sh | 0 8 files changed, 87 insertions(+), 96 deletions(-) delete mode 100755 src/program/lwaftr/tests/end-to-end/core-soaktest.sh rename src/program/lwaftr/tests/end-to-end/{test-data.sh => test_env.sh} (95%) create mode 100755 src/program/lwaftr/tests/soaktest/core-soaktest.sh create mode 100755 src/program/lwaftr/tests/soaktest/selftest.sh rename src/program/lwaftr/tests/{end-to-end => soaktest}/soaktest-vlan.sh (100%) rename src/program/lwaftr/tests/{end-to-end => soaktest}/soaktest.sh (100%) diff --git a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh index 0f608b5f05..67bd954003 100755 --- a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh @@ -88,36 +88,14 @@ function snabb_run_and_cmp { fi } -export SNABB_LWAFTR="../../../../snabb lwaftr" -export TEST_OUT="/tmp" -export EMPTY="../data/empty.pcap" -export COUNTERS="../data/counters" +source "test_env.sh" -source "test-data.sh" +TEST_OUT="/tmp" +SNABB_LWAFTR="../../../../snabb lwaftr" -function run_test { - index=$1 - test_name="$(read_column $index)" - conf="${TEST_BASE}/$(read_column $((index + 1)))" - in_v4=$(read_column_pcap $(($index + 2))) - in_v6=$(read_column_pcap $(($index + 3))) - out_v4=$(read_column_pcap $(($index + 4))) - out_v6=$(read_column_pcap $(($index + 5))) - counters="${COUNTERS}/$(read_column $(($index + 6)))" - echo "Testing: $test_name" - snabb_run_and_cmp "$conf" "$in_v4" "$in_v6" "$out_v4" "$out_v6" "$counters" -} - -function next_test { - ROW_INDEX=$(($ROW_INDEX + 7)) - if [[ $ROW_INDEX -ge $TEST_SIZE ]]; then - echo "All end-to-end lwAFTR tests passed." - exit 0 - fi -} - -ROW_INDEX=0 while true; do - run_test $ROW_INDEX - next_test + print_test_name + snabb_run_and_cmp $(read_test_data) + next_test || break done +echo "All end-to-end lwAFTR tests passed." diff --git a/src/program/lwaftr/tests/end-to-end/core-soaktest.sh b/src/program/lwaftr/tests/end-to-end/core-soaktest.sh deleted file mode 100755 index 3a3343c1bd..0000000000 --- a/src/program/lwaftr/tests/end-to-end/core-soaktest.sh +++ /dev/null @@ -1,51 +0,0 @@ -#!/usr/bin/env bash - -if [[ $EUID -ne 0 ]]; then - echo "This script must be run as root" 1>&2 - exit 1 -fi - -export SNABB_LWAFTR="../../../../snabb lwaftr" -export TEST_OUT="/tmp" -export EMPTY="../data/empty.pcap" -export COUNTERS="../data/counters" - -source "test-data.sh" - -function quit_with_msg { - errno=$1; msg="$2" - echo "Test failed: $msg" - exit $errno -} - -function soaktest { - conf="$1"; in_v4="$2"; in_v6="$3" - $SNABB_LWAFTR soaktest "$conf" "$in_v4" "$in_v6" || - quit_with_msg $? "Test failed: $SNABB_LWAFTR soaktest $@" - $SNABB_LWAFTR soaktest --on-a-stick "$conf" "$in_v4" "$in_v6" || - quit_with_msg $? "Test failed: $SNABB_LWAFTR soaktest --on-a-stick $@" -} - -function run_test { - index=$1 - test_name="$(read_column $index)" - conf="${TEST_BASE}/$(read_column $((index + 1)))" - in_v4=$(read_column_pcap $(($index + 2))) - in_v6=$(read_column_pcap $(($index + 3))) - echo "Testing: $test_name" - soaktest "$conf" "$in_v4" "$in_v6" -} - -function next_test { - ROW_INDEX=$(($ROW_INDEX + 7)) - if [[ $ROW_INDEX -ge $TEST_SIZE ]]; then - echo "All lwAFTR soak tests passed." - exit 0 - fi -} - -ROW_INDEX=0 -while true; do - run_test $ROW_INDEX - next_test -done diff --git a/src/program/lwaftr/tests/end-to-end/selftest.sh b/src/program/lwaftr/tests/end-to-end/selftest.sh index c57c0ae0ff..f31ef23822 100755 --- a/src/program/lwaftr/tests/end-to-end/selftest.sh +++ b/src/program/lwaftr/tests/end-to-end/selftest.sh @@ -2,5 +2,3 @@ cd "`dirname \"$0\"`" ./end-to-end.sh ./end-to-end-vlan.sh -./soaktest.sh -./soaktest-vlan.sh diff --git a/src/program/lwaftr/tests/end-to-end/test-data.sh b/src/program/lwaftr/tests/end-to-end/test_env.sh similarity index 95% rename from src/program/lwaftr/tests/end-to-end/test-data.sh rename to src/program/lwaftr/tests/end-to-end/test_env.sh index 1075220d75..7c6ed23179 100755 --- a/src/program/lwaftr/tests/end-to-end/test-data.sh +++ b/src/program/lwaftr/tests/end-to-end/test_env.sh @@ -1,5 +1,49 @@ #/usr/bin/env bash +COUNTERS="../data/counters" +EMPTY="../data/empty.pcap" +TEST_INDEX=0 + +export COUNTERS + +function read_column { + echo "${TEST_DATA[$1]}" +} + +function read_column_pcap { + index=$1 + column="${TEST_DATA[$index]}" + if [[ ${#column} == 0 ]]; then + echo "${EMPTY}" + else + echo "${TEST_BASE}/$column" + fi +} + +function print_test_name { + test_name="$(read_column $TEST_INDEX)" + echo "Testing: $test_name" +} + +function read_test_data { + conf="${TEST_BASE}/$(read_column $((TEST_INDEX + 1)))" + in_v4=$(read_column_pcap $((TEST_INDEX + 2))) + in_v6=$(read_column_pcap $((TEST_INDEX + 3))) + out_v4=$(read_column_pcap $((TEST_INDEX + 4))) + out_v6=$(read_column_pcap $((TEST_INDEX + 5))) + counters="${COUNTERS}/$(read_column $((TEST_INDEX + 6)))" + echo "$conf" "$in_v4" "$in_v6" "$out_v4" "$out_v6" "$counters" +} + +function next_test { + TEST_INDEX=$(($TEST_INDEX + 7)) + if [[ $TEST_INDEX -lt $TEST_SIZE ]]; then + return 0 + else + return 1 + fi +} + # Contains an array of test cases. # # A test case is a group of 7 data fields, structured as 3 rows: @@ -346,17 +390,3 @@ TEST_DATA=( "in-1p-ipv6-out-1p-ipv4-4-and-echo.lua" ) TEST_SIZE=${#TEST_DATA[@]} - -function read_column { - echo "${TEST_DATA[$1]}" -} - -function read_column_pcap { - index=$1 - column="${TEST_DATA[$index]}" - if [[ ${#column} == 0 ]]; then - echo "${EMPTY}" - else - echo "${TEST_BASE}/$column" - fi -} diff --git a/src/program/lwaftr/tests/soaktest/core-soaktest.sh b/src/program/lwaftr/tests/soaktest/core-soaktest.sh new file mode 100755 index 0000000000..a80d1f22e3 --- /dev/null +++ b/src/program/lwaftr/tests/soaktest/core-soaktest.sh @@ -0,0 +1,32 @@ +#!/usr/bin/env bash + +if [[ $EUID -ne 0 ]]; then + echo "This script must be run as root" 1>&2 + exit 1 +fi + +function quit_with_msg { + errno=$1; msg="$2" + echo "Test failed: $msg" + exit $errno +} + +function soaktest { + conf="$1"; in_v4="$2"; in_v6="$3" + $SNABB_LWAFTR soaktest "$conf" "$in_v4" "$in_v6" || + quit_with_msg $? "Test failed: $SNABB_LWAFTR soaktest $@" + $SNABB_LWAFTR soaktest --on-a-stick "$conf" "$in_v4" "$in_v6" || + quit_with_msg $? "Test failed: $SNABB_LWAFTR soaktest --on-a-stick $@" +} + +source "../end-to-end/test_env.sh" + +TEST_OUT="/tmp" +SNABB_LWAFTR="../../../../snabb lwaftr" + +while true; do + print_test_name + soaktest $(read_test_data) + next_test || break +done +echo "All lwAFTR soak tests passed." diff --git a/src/program/lwaftr/tests/soaktest/selftest.sh b/src/program/lwaftr/tests/soaktest/selftest.sh new file mode 100755 index 0000000000..da60104e95 --- /dev/null +++ b/src/program/lwaftr/tests/soaktest/selftest.sh @@ -0,0 +1,4 @@ +#!/bin/sh +cd "`dirname \"$0\"`" +./soaktest.sh +./soaktest-vlan.sh diff --git a/src/program/lwaftr/tests/end-to-end/soaktest-vlan.sh b/src/program/lwaftr/tests/soaktest/soaktest-vlan.sh similarity index 100% rename from src/program/lwaftr/tests/end-to-end/soaktest-vlan.sh rename to src/program/lwaftr/tests/soaktest/soaktest-vlan.sh diff --git a/src/program/lwaftr/tests/end-to-end/soaktest.sh b/src/program/lwaftr/tests/soaktest/soaktest.sh similarity index 100% rename from src/program/lwaftr/tests/end-to-end/soaktest.sh rename to src/program/lwaftr/tests/soaktest/soaktest.sh From a971f6d5bf7a2954b5f9ca309c3989050086dca5 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 20 Sep 2016 11:46:07 +0200 Subject: [PATCH 245/340] Refactored lwaftr check on-a-stick code --- src/program/lwaftr/check/check.lua | 45 ++++++++---------------------- 1 file changed, 11 insertions(+), 34 deletions(-) diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 20859a962a..7c941551b3 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -1,17 +1,18 @@ module(..., package.seeall) -local app = require("core.app") local config = require("core.config") local counter = require("core.counter") local lib = require("core.lib") +local lwconf = require('apps.lwaftr.conf') +local lwcounter = require("apps.lwaftr.lwcounter") +local lwutil = require("apps.lwaftr.lwutil") local setup = require("program.lwaftr.setup") + -- Get the counter directory and names from the code, so that any change -- in there will be automatically picked up by the tests. -local lwaftr = require("apps.lwaftr.lwaftr") -local lwcounter = require("apps.lwaftr.lwcounter") local counter_names = lwcounter.counter_names local counters_dir = lwcounter.counters_dir -local lwutil = require("apps.lwaftr.lwutil") + local write_to_file = lwutil.write_to_file function show_usage(code) @@ -91,44 +92,20 @@ local function regen_counters(counters, outfile) write_to_file(outfile, (table.concat(out_val, '\n'))) end -local function run_on_a_stick (args) - local conf_file, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap, counters_path = - unpack(args) - local conf = require('apps.lwaftr.conf').load_lwaftr_config(conf_file) - - local c = config.new() - setup.load_check_on_a_stick(c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) - engine.configure(c) - if counters_path then - local initial_counters = read_counters(c) - engine.main({duration=0.10}) - local final_counters = read_counters(c) - local counters_diff = diff_counters(final_counters, initial_counters) - local req_counters = load_requested_counters(counters_path) - validate_diff(counters_diff, req_counters) - else - engine.main({duration=0.10}) - end -end - function run(args) local opts, args = parse_args(args) - if opts["on-a-stick"] then - run_on_a_stick(args) - print("done") - return - end - + local load_check = opts["on-a-stick"] and setup.load_check_on_a_stick + or setup.load_check local conf_file, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap, counters_path = unpack(args) - local conf = require('apps.lwaftr.conf').load_lwaftr_config(conf_file) + local conf = lwconf.load_lwaftr_config(conf_file) local c = config.new() setup.load_check(c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) - app.configure(c) + engine.configure(c) if counters_path then local initial_counters = read_counters(c) - app.main({duration=0.10}) + engine.main({duration=0.10}) local final_counters = read_counters(c) local counters_diff = diff_counters(final_counters, initial_counters) local req_counters = load_requested_counters(counters_path) @@ -138,7 +115,7 @@ function run(args) validate_diff(counters_diff, req_counters) end else - app.main({duration=0.10}) + engine.main({duration=0.10}) end print("done") end From 4d74ca3b618f7c534e95fdf2d8e92fc095ae07c9 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 20 Sep 2016 09:09:00 +0000 Subject: [PATCH 246/340] Update README --- src/program/lwaftr/check/README | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/program/lwaftr/check/README b/src/program/lwaftr/check/README index a3a0d38401..b309a385b5 100644 --- a/src/program/lwaftr/check/README +++ b/src/program/lwaftr/check/README @@ -4,13 +4,14 @@ Usage: check [-r] CONF V4-IN.PCAP V6-IN.PCAP V4-OUT.PCAP V6-OUT.PCAP [COUNTERS.L -h, --help Print usage information. -r, --regen - Regenerate counter files, instead of checking + Regenerate counter files, instead of checking. + --on-a-stick + Run in on-a-stick mode. Without -r: Run the lwAFTR with input from IPV4-IN.PCAP and IPV6-IN.PCAP, and record output to IPV4-OUT.PCAP and IPV6-OUT.PCAP. COUNTERS.LUA contains a table that defines the counters and by how much each should increment. -Note that this checks both "2 interface" mode and "on a stick" mode. Exit when finished. This program is used in the lwAFTR test suite. With -r: From 05674f77a6a986fb278b906ddfb1f04558317ee2 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 20 Sep 2016 11:46:45 +0200 Subject: [PATCH 247/340] Create counters file if it doesn't exist --- src/apps/lwaftr/lwutil.lua | 4 ++-- src/program/lwaftr/check/check.lua | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/src/apps/lwaftr/lwutil.lua b/src/apps/lwaftr/lwutil.lua index 1f9d91e5f1..d459aec584 100644 --- a/src/apps/lwaftr/lwutil.lua +++ b/src/apps/lwaftr/lwutil.lua @@ -75,8 +75,8 @@ function set_dst_ethernet(pkt, dst_eth) end function write_to_file(filename, content) - local fd = assert(io.open(filename, "wt"), - ("Couldn't open file: '%s'"):format(filename)) + local fd, err = io.open(filename, "wt+") + if not fd then error(err) end fd:write(content) fd:close() end diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 7c941551b3..a49b7a7bdd 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -108,10 +108,10 @@ function run(args) engine.main({duration=0.10}) local final_counters = read_counters(c) local counters_diff = diff_counters(final_counters, initial_counters) - local req_counters = load_requested_counters(counters_path) if opts.r then regen_counters(counters_diff, counters_path) else + local req_counters = load_requested_counters(counters_path) validate_diff(counters_diff, req_counters) end else From 96cbe557cc28cc06d7e505ca100396fc52f99d5d Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 20 Sep 2016 11:46:59 +0200 Subject: [PATCH 248/340] Check counters file is a table --- src/program/lwaftr/check/check.lua | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index a49b7a7bdd..fc4ad70d91 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -35,7 +35,9 @@ function parse_args (args) end function load_requested_counters(counters) - return dofile(counters) + local result = dofile(counters) + assert(type(result) == "table", "Not a valid counters file: "..counters) + return result end function read_counters(c) From 1b084281848b57ac320c8a4cef92b17610a77b44 Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Tue, 20 Sep 2016 15:03:20 +0200 Subject: [PATCH 249/340] lib.ipsec.esp: minor formatting/style. --- src/lib/ipsec/esp.lua | 30 ++++++++++++++++++------------ 1 file changed, 18 insertions(+), 12 deletions(-) diff --git a/src/lib/ipsec/esp.lua b/src/lib/ipsec/esp.lua index 099b426689..7f67991652 100644 --- a/src/lib/ipsec/esp.lua +++ b/src/lib/ipsec/esp.lua @@ -161,26 +161,32 @@ function esp_v6_decrypt:decapsulate (p) "flow_id=" .. tostring(self.ip:flow_label()) .. ", " .. "reason='" .. reason .. "'"; logger:log("Rejecting packet ("..info..")") - -- RFC4303 is somewhat unclear on a) whether or not packets that look replayed are eligible to trigger - -- recyns, and b) what 'consecutive' means in "number of consecutive packets that fail authentication": + -- RFC4303 is somewhat unclear on a) whether or not packets that look + -- replayed are eligible to trigger recyns, and b) what 'consecutive' + -- means in "number of consecutive packets that fail authentication": -- Consecutive in time? Consecutive in their seq_low's? - -- Assuming a) should be 'yes' since the to-be-resynced packets might have seq_low's that just happen - -- to fall inside the replay window (seq_lo-wise) and would look replayed, yet aren't. - -- Assuming b) means 'in time', since systematic loss could stall resync indefinitely. + -- Assuming a) should be 'yes' since the to-be-resynced packets might + -- have seq_low's that just happen to fall inside the replay window + -- (seq_lo-wise) and would look replayed, yet aren't. Assuming b) means + -- 'in time', since systematic loss could stall resync indefinitely. self.decap_fail = self.decap_fail + 1 if self.decap_fail >= self.resync_threshold then local resync_start - if seq_high >= 0 then -- We failed to decrypt in-place, undo the damage to recover the original ctext + if seq_high >= 0 then + -- We failed to decrypt in-place, undo the damage to recover the + -- original ctext gcm:encrypt(ctext_start, iv_start, seq_low, seq_high, ctext_start, ctext_length, ffi.new("uint8_t[?]", gcm.AUTH_SIZE)) resync_start = seq_high + 1 else - resync_start = self:seq_high() + 1 -- use the last seq_high we saw if it looked replayed + -- use the last seq_high we saw if it looked replayed + resync_start = self:seq_high() + 1 end self.decap_fail = 0 -- avoid immediate re-triggering if resync fails local seq_high_resynced = self:resync(p, seq_low, resync_start, self.resync_attempts) - if seq_high_resynced >= 0 then + if seq_high_resynced then seq_high = seq_high_resynced - -- resynced! the data has been decrypted in the process so we're ready to go + -- resynced! the data has been decrypted in the process so we're + -- ready to go else return false end @@ -211,11 +217,10 @@ function esp_v6_decrypt:resync(p, seq_low, seq_high, n) if gcm:decrypt(ctext_start, seq_low, seq_high, iv_start, ctext_start, ctext_length) then return seq_high else - C.memmove(p.data, p_orig.data, p_orig.length) + ffi.copy(p.data, p_orig.data, p_orig.length) end seq_high = seq_high + 1 end - return -1 end function selftest () @@ -350,7 +355,8 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ px = packet.clone(p) enc:encapsulate(px) assert(dec:decapsulate(px), "failed to resynchronize") - -- Make sure we don't accidentally resynchronize with very old replayed traffic + -- Make sure we don't accidentally resynchronize with very old replayed + -- traffic enc.seq.no = 42 for i = 1, dec.resync_threshold-1 do px = packet.clone(p) From 0a4bb2edc11b0b5a864e54e44c141da6b09b3283 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 20 Sep 2016 13:56:44 +0000 Subject: [PATCH 250/340] Append path to conf file --- src/program/snabbvmx/lwaftr/lwaftr.lua | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/program/snabbvmx/lwaftr/lwaftr.lua b/src/program/snabbvmx/lwaftr/lwaftr.lua index 8532780dfa..7550e0fc6a 100644 --- a/src/program/snabbvmx/lwaftr/lwaftr.lua +++ b/src/program/snabbvmx/lwaftr/lwaftr.lua @@ -98,6 +98,10 @@ function run(args) if file_exists(conf_file) then conf = lib.load_conf(conf_file) + if not file_exists(conf.lwaftr) then + -- Search in main config file. + conf.lwaftr = lib.dirname(conf_file).."/"..conf.lwaftr + end if not file_exists(conf.lwaftr) then fatal(("lwAFTR conf file '%s' not found"):format(conf.lwaftr)) end From 0b2afc4c511d883ac7fb71ce21b467dcfd5adfd8 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Tue, 20 Sep 2016 13:56:59 +0000 Subject: [PATCH 251/340] Fix nexthop test --- src/program/snabbvmx/tests/nexthop/selftest.sh | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/src/program/snabbvmx/tests/nexthop/selftest.sh b/src/program/snabbvmx/tests/nexthop/selftest.sh index b98da7f712..30f5aaa10e 100755 --- a/src/program/snabbvmx/tests/nexthop/selftest.sh +++ b/src/program/snabbvmx/tests/nexthop/selftest.sh @@ -29,7 +29,7 @@ function quit_screens { function cleanup { quit_screens - kill $snabbvmx_pid $packetblaster_pid + kill $packetblaster_pid exit 0 } @@ -44,15 +44,14 @@ TARGET_MAC_B4=02:99:99:99:99:99 rm -f $SNABBVMX_LOG # Run SnabbVMX. -./snabb snabbvmx lwaftr --conf $SNABBVMX_CONF --id $SNABBVMX_ID \ - --pci $SNABB_PCI0 --mac $MAC_ADDRESS_NET0 --sock $VHU_SOCK0 &>> $SNABBVMX_LOG & -snabbvmx_pid=$! +cmd="./snabb snabbvmx lwaftr --conf $SNABBVMX_CONF --id $SNABBVMX_ID --pci $SNABB_PCI0 --mac $MAC_ADDRESS_NET0 --sock $VHU_SOCK0" +run_cmd_in_screen "snabbvmx" "$cmd" # Run QEMU. -start_test_env &>> $SNABBVMX_LOG +start_test_env # Flush lwAFTR packets to SnabbVMX. -./snabb packetblaster replay -D 10 $PCAP_INPUT/v4v6-256.pcap $SNABB_PCI1 &>> $SNABBVMX_LOG & +./snabb packetblaster replay -D 10 $PCAP_INPUT/v4v6-256.pcap $SNABB_PCI1 & packetblaster_pid=$! # Query nexthop for 10 seconds. From cb527aca2bbc8b50618aa43d5a71d08247a79ae8 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 21 Sep 2016 15:17:51 +0000 Subject: [PATCH 252/340] Fix update of ingress-packet-drops counter --- src/lib/timers/ingress_drop_monitor.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/lib/timers/ingress_drop_monitor.lua b/src/lib/timers/ingress_drop_monitor.lua index 9f3778b451..cd894c173f 100644 --- a/src/lib/timers/ingress_drop_monitor.lua +++ b/src/lib/timers/ingress_drop_monitor.lua @@ -47,7 +47,7 @@ function IngressDropMonitor:sample () end end if self.counter then - counter.add(self.counter, sum[0]) + counter.set(self.counter, sum[0]) end end From 7fc95338a12d94c2060a7038107cb6fc4a813e76 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 23 Sep 2016 10:30:35 +0000 Subject: [PATCH 253/340] Allow empty binding table --- src/apps/lwaftr/binding_table.lua | 1 - src/apps/lwaftr/rangemap.lua | 2 +- 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/src/apps/lwaftr/binding_table.lua b/src/apps/lwaftr/binding_table.lua index 61c5ca9e53..f51e608fcc 100644 --- a/src/apps/lwaftr/binding_table.lua +++ b/src/apps/lwaftr/binding_table.lua @@ -430,7 +430,6 @@ local function parse_br_addresses(parser) parser:skip_whitespace() if parser:check(',') then parser:skip_whitespace() end end - if #addresses == 0 then parser:error('no lwaftr addresses specified') end local ret = ffi.new(ffi.typeof('$[?]', br_address_t), #addresses) for i, addr in ipairs(addresses) do ret[i-1].addr = addr end return ret, #addresses diff --git a/src/apps/lwaftr/rangemap.lua b/src/apps/lwaftr/rangemap.lua index 36757785d7..8ffa79cafd 100644 --- a/src/apps/lwaftr/rangemap.lua +++ b/src/apps/lwaftr/rangemap.lua @@ -93,7 +93,7 @@ function RangeMapBuilder:build(default_value) -- contiguous entries with the highest K having a value V, starting -- with UINT32_MAX and working our way down. local ranges = {} - if self.entries[#self.entries].max.key < UINT32_MAX then + if #self.entries == 0 or self.entries[#self.entries].max.key < UINT32_MAX then table.insert(self.entries, { min=self.entry_type(UINT32_MAX, default_value), max=self.entry_type(UINT32_MAX, default_value) }) From e421d19f2b9fa6f5a6a53b0ce94ddf15a764bd2e Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Fri, 23 Sep 2016 17:00:06 +0000 Subject: [PATCH 254/340] Use lwAFTR inet MAC address as ARP source --- src/program/lwaftr/setup.lua | 2 +- src/program/lwaftr/tests/data/arp_reply_send.pcap | Bin 82 -> 82 bytes .../lwaftr/tests/data/arp_request_send.pcap | Bin 82 -> 82 bytes .../lwaftr/tests/data/vlan/arp_reply_send.pcap | Bin 86 -> 86 bytes .../lwaftr/tests/data/vlan/arp_request_send.pcap | Bin 86 -> 86 bytes 5 files changed, 1 insertion(+), 1 deletion(-) diff --git a/src/program/lwaftr/setup.lua b/src/program/lwaftr/setup.lua index eb130bda5a..9665ba4a72 100644 --- a/src/program/lwaftr/setup.lua +++ b/src/program/lwaftr/setup.lua @@ -35,7 +35,7 @@ function lwaftr_app(c, conf) { src_ipv6 = conf.aftr_ipv6_ip, src_eth = conf.aftr_mac_b4_side, dst_eth = conf.next_hop6_mac, dst_ipv6 = conf.next_hop_ipv6_addr }) config.app(c, "arp", ipv4_apps.ARP, - { src_ipv4 = conf.aftr_ipv4_ip, src_eth = conf.aftr_mac_b4_side, + { src_ipv4 = conf.aftr_ipv4_ip, src_eth = conf.aftr_mac_inet_side, dst_eth = conf.inet_mac, dst_ipv4 = conf.next_hop_ipv4_addr}) local preprocessing_apps_v4 = { "reassemblerv4" } diff --git a/src/program/lwaftr/tests/data/arp_reply_send.pcap b/src/program/lwaftr/tests/data/arp_reply_send.pcap index 522f53476f71882fc5df61e2402ceda712288237..da352dae7dac27be8c00e7dfbb8f9c045f7f5102 100644 GIT binary patch delta 41 ncmWFvnxLm51O^;z42&EMY%B~+5Iz?WFtM<4aPhFPvatgISabsF delta 41 ncmWFvnxLnm1O^;z42&EMY%B~+5Iz?WFtM<4aPhFPvatgIYm@`3 diff --git a/src/program/lwaftr/tests/data/arp_request_send.pcap b/src/program/lwaftr/tests/data/arp_request_send.pcap index 6c8a86fda826621f9675c9fede6b612a80372ae5..07c80ef85751a8b07babe47bd9d943b91b31db59 100644 GIT binary patch delta 41 jcmWFvnxLm51O^;z42&EMY%C0n5Iz?WFn|FID;qliS4RTB delta 41 jcmWFvnxLnm1O^;z42&EMY%C0n5Iz?WFn|FID;qliYG(s~ diff --git a/src/program/lwaftr/tests/data/vlan/arp_reply_send.pcap b/src/program/lwaftr/tests/data/vlan/arp_reply_send.pcap index c8572fac301fb162f9463f3efb5be36f8970f117..5c7f19a6c578a9f4e75d8aa21cf3ec9a9194233d 100644 GIT binary patch delta 45 rcmWFwo1mv51O|-^EG`^u42&EMY%B~+5HT(wU}9n8;NoFnWn%{bd?o|G delta 45 rcmWFwo1mwm1O|-^EG`^u42&EMY%B~+5HT(wU}9n8;NoFnWn%{bkj4am diff --git a/src/program/lwaftr/tests/data/vlan/arp_request_send.pcap b/src/program/lwaftr/tests/data/vlan/arp_request_send.pcap index 05cd69473aa964c0c40f96cd21dae9b9c2c229f9..e654ba37fef9bc833bb0682ab3567dac4c560c31 100644 GIT binary patch delta 45 ncmWFwo1mv51O|-^EG`^u42&EMY%C0n5HT(wU;qOaRyKA3dievC delta 45 ncmWFwo1mwm1O|-^EG`^u42&EMY%C0n5HT(wU;qOaRyKA3kC_Bi From 3ff3f6d6a106ef7e5c9ad865214349ca2685a0a7 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Sat, 24 Sep 2016 15:58:16 +0200 Subject: [PATCH 255/340] If there is a br address for a bad softwire, use it The lwAFTR sends ICMPv6 unreachable (code 5) messages if it gets a message from a bad softwire (ie, from a B4 that is not in the binding table, or to a br address that is not associated with that B4). If a br address can be associated with the IPv6 address being replied to, use that as the source address; otherwise, use the IPv6 address it was sent to. In no case should it use the default IPv6 address for the lwAFTR from its conf file; this is now an obsolete concept. Added a changelog entry for ICMPv6 unreachable source address fix. --- src/apps/lwaftr/lwaftr.lua | 14 ++++++++------ src/program/lwaftr/doc/CHANGELOG.md | 6 ++++++ 2 files changed, 14 insertions(+), 6 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 0be81d57b2..76f68a3eec 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -266,7 +266,6 @@ function LwAftr:new(conf) -- FIXME: Access these from the conf instead of splatting them onto -- the lwaftr app, if there is no performance impact. o.aftr_ipv4_ip = conf.aftr_ipv4_ip - o.aftr_ipv6_ip = conf.aftr_ipv6_ip o.aftr_mac_b4_side = conf.aftr_mac_b4_side o.aftr_mac_inet_side = conf.aftr_mac_inet_side o.next_hop6_mac = conf.next_hop6_mac or ethernet:pton("00:00:00:00:00:00") @@ -410,7 +409,7 @@ end -- ICMPv6 type 1 code 5, as per RFC 7596. -- The source (ipv6, ipv4, port) tuple is not in the table. -local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt) +local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt, br_addr) if lwstate.policy_icmpv6_outgoing == lwconf.policies['DROP'] then -- ICMP error messages off by policy; silently drop. -- Not counting bytes because we do not even generate the packets. @@ -419,13 +418,16 @@ local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt) end local ipv6_header = get_ethernet_payload(pkt) - local ipv6_src_addr = get_ipv6_src_address(ipv6_header) + local orig_src_addr = get_ipv6_src_address(ipv6_header) + -- If br_addr is specified, use that as the source addr. Otherwise, send it + -- back from the IPv6 address it was sent to. + local icmpv6_src_addr = br_addr or get_ipv6_dst_address(ipv6_header) local icmp_config = {type = constants.icmpv6_dst_unreachable, code = constants.icmpv6_failed_ingress_egress_policy, } local b4fail_icmp = icmp.new_icmpv6_packet( - lwstate.aftr_mac_b4_side, lwstate.next_hop6_mac, lwstate.aftr_ipv6_ip, - ipv6_src_addr, pkt, icmp_config) + lwstate.aftr_mac_b4_side, lwstate.next_hop6_mac, icmpv6_src_addr, + orig_src_addr --[[now dest--]], pkt, icmp_config) drop(pkt) transmit_icmpv6_reply(lwstate.o6, b4fail_icmp) end @@ -748,7 +750,7 @@ local function flush_decapsulation(lwstate) counter.add(lwstate.counters["drop-no-source-softwire-ipv6-packets"]) counter.add(lwstate.counters["drop-all-ipv6-iface-bytes"], pkt.length) counter.add(lwstate.counters["drop-all-ipv6-iface-packets"]) - drop_ipv6_packet_from_bad_softwire(lwstate, pkt) + drop_ipv6_packet_from_bad_softwire(lwstate, pkt, br_addr) end end lq:reset_queue() diff --git a/src/program/lwaftr/doc/CHANGELOG.md b/src/program/lwaftr/doc/CHANGELOG.md index 033ff9c2c2..294762c05a 100644 --- a/src/program/lwaftr/doc/CHANGELOG.md +++ b/src/program/lwaftr/doc/CHANGELOG.md @@ -1,5 +1,11 @@ # Change Log +## Pre-release changes + + * Send ICMPv6 unreachable messages from the most appropriate source address + available (the one associated with a B4 if possible, or else the one the + packet one is in reply to had as a destination.) + ## [2.10] - 2016-06-17 A Snabb NFV performance fix, which results in more reliable performance From fceff6a3657eb16709483d43e1e3f216d0ce7bb1 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Sat, 24 Sep 2016 11:45:06 +0200 Subject: [PATCH 256/340] Make ntohl/htonl unsigned This is the behavior in C, and which most code expects. This also documents that ntohl/htonl are unsigned. There should be no performance impact; the assembly code has the same number of the essentially the same instructions as before. --- src/README.md | 4 ++-- src/core/lib.lua | 5 ++++- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/src/README.md b/src/README.md index 6dcbb3955e..5a507ea5ed 100644 --- a/src/README.md +++ b/src/README.md @@ -871,14 +871,14 @@ Returns a copy of *array*. *Array* must not be a "sparse array". — Function **lib.htons** *n* Host to network byte order conversion functions for 32 and 16 bit -integers *n* respectively. +integers *n* respectively. Unsigned. — Function **lib.ntohl** *n* — Function **lib.ntohs** *n* Network to host byte order conversion functions for 32 and 16 bit -integers *n* respectively. +integers *n* respectively. Unsigned. diff --git a/src/core/lib.lua b/src/core/lib.lua index 6e37a90964..30f9b8857c 100644 --- a/src/core/lib.lua +++ b/src/core/lib.lua @@ -10,6 +10,8 @@ require("core.clib_h") local bit = require("bit") local band, bor, bnot, lshift, rshift, bswap = bit.band, bit.bor, bit.bnot, bit.lshift, bit.rshift, bit.bswap +local tonumber = tonumber -- Yes, this makes a performance difference. +local cast = ffi.cast -- Returns true if x and y are structurally similar (isomorphic). function equal (x, y) @@ -373,7 +375,8 @@ if ffi.abi("be") then function htonl(b) return b end function htons(b) return b end else - function htonl(b) return bswap(b) end + -- htonl is unsigned, matching the C version and expectations. + function htonl(b) return tonumber(cast('uint32_t', bswap(b))) end function htons(b) return rshift(bswap(b), 16) end end ntohl = htonl From 6f5a2dc28be565ef986302a05b320cb4a6fb74f0 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Mon, 26 Sep 2016 14:47:57 +0200 Subject: [PATCH 257/340] Renamed var, removed comment about it, per review --- src/apps/lwaftr/lwaftr.lua | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 76f68a3eec..94f1b9cfd8 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -418,7 +418,7 @@ local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt, br_addr) end local ipv6_header = get_ethernet_payload(pkt) - local orig_src_addr = get_ipv6_src_address(ipv6_header) + local orig_src_addr_icmp_dst = get_ipv6_src_address(ipv6_header) -- If br_addr is specified, use that as the source addr. Otherwise, send it -- back from the IPv6 address it was sent to. local icmpv6_src_addr = br_addr or get_ipv6_dst_address(ipv6_header) @@ -427,7 +427,7 @@ local function drop_ipv6_packet_from_bad_softwire(lwstate, pkt, br_addr) } local b4fail_icmp = icmp.new_icmpv6_packet( lwstate.aftr_mac_b4_side, lwstate.next_hop6_mac, icmpv6_src_addr, - orig_src_addr --[[now dest--]], pkt, icmp_config) + orig_src_addr_icmp_dst, pkt, icmp_config) drop(pkt) transmit_icmpv6_reply(lwstate.o6, b4fail_icmp) end From ccb1222d198d02423686990200b587c011c2e4ee Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Tue, 27 Sep 2016 00:00:40 +0200 Subject: [PATCH 258/340] Added a regression test for issue 453 The bug was 'reassembly of fragmented lwaftr packet:apps/lwaftr/fragmentv6_hardened.lua:158: Impossible case reached in v6 reassembly'. The root cause was a broken upstream ntohl. The pcap to reproduce it from the bug report is included with the permission of the reporter. --- src/program/lwaftr/tests/data/add-vlan.sh | 2 ++ ...egressiontest-signedntohl-frags-counters.lua | 16 ++++++++++++++++ ...regressiontest-signedntohl-frags-output.pcap | Bin 0 -> 24 bytes .../data/regressiontest-signedntohl-frags.pcap | Bin 0 -> 8953 bytes ...regressiontest-signedntohl-frags-output.pcap | Bin 0 -> 24 bytes .../vlan/regressiontest-signedntohl-frags.pcap | Bin 0 -> 9021 bytes src/program/lwaftr/tests/end-to-end/test_env.sh | 4 ++++ 7 files changed, 22 insertions(+) create mode 100644 src/program/lwaftr/tests/data/counters/regressiontest-signedntohl-frags-counters.lua create mode 100644 src/program/lwaftr/tests/data/regressiontest-signedntohl-frags-output.pcap create mode 100644 src/program/lwaftr/tests/data/regressiontest-signedntohl-frags.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/regressiontest-signedntohl-frags-output.pcap create mode 100644 src/program/lwaftr/tests/data/vlan/regressiontest-signedntohl-frags.pcap diff --git a/src/program/lwaftr/tests/data/add-vlan.sh b/src/program/lwaftr/tests/data/add-vlan.sh index c6910b66ec..50a5c5745c 100755 --- a/src/program/lwaftr/tests/data/add-vlan.sh +++ b/src/program/lwaftr/tests/data/add-vlan.sh @@ -79,6 +79,8 @@ V6=( recap-ipv6.pcap recap-ipv6-n64.pcap recap-tocustom-BRIP-ipv6.pcap + regressiontest-signedntohl-frags.pcap + regressiontest-signedntohl-frags-output.pcap response-ipv6-tunneled-icmpv4_31-tob4.pcap tcp-afteraftr-ipv6-2frags.pcap tcp-afteraftr-ipv6-3frags.pcap diff --git a/src/program/lwaftr/tests/data/counters/regressiontest-signedntohl-frags-counters.lua b/src/program/lwaftr/tests/data/counters/regressiontest-signedntohl-frags-counters.lua new file mode 100644 index 0000000000..9042687027 --- /dev/null +++ b/src/program/lwaftr/tests/data/counters/regressiontest-signedntohl-frags-counters.lua @@ -0,0 +1,16 @@ +return { + ["drop-all-ipv6-iface-bytes"] = 7997, + ["drop-all-ipv6-iface-packets"] = 7, + ["drop-misplaced-not-ipv6-bytes"] = 1587, + ["drop-misplaced-not-ipv6-packets"] = 2, + ["drop-no-source-softwire-ipv6-bytes"] = 6410, + ["drop-no-source-softwire-ipv6-packets"] = 5, + ["drop-out-by-policy-icmpv6-packets"] = 5, + ["in-ipv6-bytes"] = 6410, + ["in-ipv6-frag-needs-reassembly"] = 15, + ["in-ipv6-frag-reassembled"] = 5, + ["in-ipv6-frag-reassembly-unneeded"] = 2, + ["in-ipv6-packets"] = 5, + ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, + ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, +} diff --git a/src/program/lwaftr/tests/data/regressiontest-signedntohl-frags-output.pcap b/src/program/lwaftr/tests/data/regressiontest-signedntohl-frags-output.pcap new file mode 100644 index 0000000000000000000000000000000000000000..a324304509bdd12aef4a69458a409cefefafe614 GIT binary patch literal 24 Ycmca|c+)~A1{MYw`2U}Qff2|708wKE@Bjb+ literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/data/regressiontest-signedntohl-frags.pcap b/src/program/lwaftr/tests/data/regressiontest-signedntohl-frags.pcap new file mode 100644 index 0000000000000000000000000000000000000000..6b0a082d7d68cd78fbf01f658c9c0d0eccd4560a GIT binary patch literal 8953 zcmeI2OK1~87{|X!wrv`l^g-1kXa{nrmd!G|o1{%WSZu3UOO-xQp@*jF)`XNK#I0>F zl7oF5Jhb3h+LIu9h^JB&L_tAXPo8{H#R^`eg5b&EOlv%qBFr-MFarZKyYu+=|Ks~J zF#G2D!(|sJP%0}201)lWXq%Us4*TFc?XWu3)pT&lH^vH@{V=jYN3E#s&91V!Up1w< zu+#t7MQmLZ`1n=n(v&r}YaP7tM;t%QCV(Ibj#^~Q{tmLMT3XDE)G;+RJ1sMII-bx2t zThbR#?$r%HcisZ}(*OIlbZxQpcz0uYn|Q!a9~BsV-e}}}u?jHyXW#oBaBWFnEV(&K zZhBR5z_pKVp1&hqTP!`^-5C9o-}vdH0;A6xjhru50Y?8wLzx4vE$NFTw@ArteDcB- zdhg0A%0C0}@7&oGLL z)O4caY$&T2E1|9$L7pzO-E>pMXtSI?RRXt)HL#FG1080I9@ce2NT^r=b&n8K)2q=x Dkd26q literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/data/vlan/regressiontest-signedntohl-frags-output.pcap b/src/program/lwaftr/tests/data/vlan/regressiontest-signedntohl-frags-output.pcap new file mode 100644 index 0000000000000000000000000000000000000000..a324304509bdd12aef4a69458a409cefefafe614 GIT binary patch literal 24 Ycmca|c+)~A1{MYw`2U}Qff2|708wKE@Bjb+ literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/data/vlan/regressiontest-signedntohl-frags.pcap b/src/program/lwaftr/tests/data/vlan/regressiontest-signedntohl-frags.pcap new file mode 100644 index 0000000000000000000000000000000000000000..24082a1c70d54c76403c6fae1101842d679de29a GIT binary patch literal 9021 zcmeI2OGs2v7{|Xea~;RQ86Q|lP#&0tC3i0OF*7>0NK%VTEPPN419iMMgEBKr*VIi+ zkdH+Rh1Q{~HWf@Ov4SWl2y4}@5{nGlSp=;bJD)bSDGBc3;^G`QaKE|dHQ)bt{v0^> z_0#)HE|8#DwzdEW3#OHg^YsV(@RbEv``hdHE&4~WkZa%>nRz#~&RQdxfvB@&t(7!fRlU(AbBKU&;3QQ zpj|V71iZ2QaF6X;tpD%;>wi4JJs=3!HQC%>qI$UrKddp6#XA3CAOW|-SOA98a#ug-nj|E%ba;=JmVhW6$`0u~qe5J2)sfW7sI z-cDx#3CKNmb2_gI0-V(k)qAw*<>cTCV}&om!JSpm?rccF^|~@H1du!uV0T5Lzq1)Y z0{XkkI61f=z%_L&a>B##8xU6JVTYzB~kgS91`99$6K zta=Mfz4iA#xXA8nv69>qfWV(yzqwUcsk9w}B$Yue9z!ishwVuad^ zh+@d}#CURSm<|tGW;4}QEgDkwkRGGD(QJg94VCuww$j#gW-6P!l(6WL_))6GV$l#b zrGH;aK!O^msjMv_cMhMs?P6b=1j~urLtLbeuoCnton|V1B^~N+ld0CID~75xsfyMV zk!kl}e3W)~>WXeCnkv&wIHMKHpt^!Ujt#W^=w?}Cj~@1`6ueQWg!v@tZ8aLTh^DEk P8ZMMV^#cMG>`L_~2;Q0v literal 0 HcmV?d00001 diff --git a/src/program/lwaftr/tests/end-to-end/test_env.sh b/src/program/lwaftr/tests/end-to-end/test_env.sh index 7c6ed23179..156b06bf6a 100755 --- a/src/program/lwaftr/tests/end-to-end/test_env.sh +++ b/src/program/lwaftr/tests/end-to-end/test_env.sh @@ -53,6 +53,10 @@ function next_test { # # Notice spaces and new lines are not taken into account. TEST_DATA=( +"Regression test: make sure ntohl'd high-bit-set fragment IDs do not crash" +"no_icmp.conf" "" "regressiontest-signedntohl-frags.pcap" "" "regressiontest-signedntohl-frags-output.pcap" +"regressiontest-signedntohl-frags-counters.lua" + "from-internet IPv4 packet found in the binding table." "icmp_on_fail.conf" "tcp-frominet-bound.pcap" "" "" "tcp-afteraftr-ipv6.pcap" "in-1p-ipv4-out-1p-ipv6-1.lua" From 2fbf2479ea45e6c84d6cbd9fe9c71b53b44da504 Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Tue, 27 Sep 2016 09:15:14 +0200 Subject: [PATCH 259/340] use the correct readme --- src/program/snabbvmx/query/query.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua index 3be69a24ea..233fb470b6 100644 --- a/src/program/snabbvmx/query/query.lua +++ b/src/program/snabbvmx/query/query.lua @@ -17,7 +17,7 @@ struct { uint8_t ether[6]; } ]] local function show_usage (code) - print(require("program.lwaftr.query.README_inc")) + print(require("program.snabbvmx.query.README_inc")) main.exit(code) end From af2ed2ecc339e4e6f53606fef316d75a1ca84d65 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Tue, 27 Sep 2016 00:32:43 +0200 Subject: [PATCH 260/340] lwutil refactorings - Centralize is_ipvN_fragment functions - remove dead code - use core.lib's [hn]to[nh][ls], now that it is unsigned. --- src/apps/lwaftr/fragmentv6.lua | 3 ++- src/apps/lwaftr/icmp.lua | 4 ++-- src/apps/lwaftr/ipv4_apps.lua | 18 ++++------------ src/apps/lwaftr/ipv6_apps.lua | 16 +++++--------- src/apps/lwaftr/lwaftr.lua | 3 +-- src/apps/lwaftr/lwheader.lua | 3 +-- src/apps/lwaftr/lwutil.lua | 38 +++++++++++++++++++++++----------- 7 files changed, 41 insertions(+), 44 deletions(-) diff --git a/src/apps/lwaftr/fragmentv6.lua b/src/apps/lwaftr/fragmentv6.lua index ee13188a37..298f3184f2 100644 --- a/src/apps/lwaftr/fragmentv6.lua +++ b/src/apps/lwaftr/fragmentv6.lua @@ -6,11 +6,12 @@ local lwutil = require("apps.lwaftr.lwutil") local packet = require("core.packet") local bit = require("bit") local ffi = require("ffi") +local lib = require("core.lib") local band, bor, lshift, rshift = bit.band, bit.bor, bit.lshift, bit.rshift local C = ffi.C local wr16, wr32 = lwutil.wr16, lwutil.wr32 -local htons, htonl = lwutil.htons, lwutil.htonl +local htons, htonl = lib.htons, lib.htonl local ehs = constants.ethernet_header_size -- IPv6 fragmentation, as per https://tools.ietf.org/html/rfc5722 diff --git a/src/apps/lwaftr/icmp.lua b/src/apps/lwaftr/icmp.lua index ed57b0f9bf..228faaf9bf 100644 --- a/src/apps/lwaftr/icmp.lua +++ b/src/apps/lwaftr/icmp.lua @@ -12,14 +12,14 @@ local ipv6 = require("lib.protocol.ipv6") local bit = require("bit") local ffi = require("ffi") +local lib = require("core.lib") local band, bnot = bit.band, bit.bnot local C = ffi.C local rd16, wr16, wr32 = lwutil.rd16, lwutil.wr16, lwutil.wr32 local is_ipv4, is_ipv6 = lwutil.is_ipv4, lwutil.is_ipv6 local get_ihl_from_offset = lwutil.get_ihl_from_offset -local htons, htonl = lwutil.htons, lwutil.htonl -local ntohs, ntohl = htons, htonl +local htons, htonl, ntohs, ntohl = lib.htons, lib.htonl, lib.ntohs, lib.ntohl local write_eth_header = lwheader.write_eth_header local proto_icmp = constants.proto_icmp diff --git a/src/apps/lwaftr/ipv4_apps.lua b/src/apps/lwaftr/ipv4_apps.lua index 6ec88b7ace..d1861ba6df 100644 --- a/src/apps/lwaftr/ipv4_apps.lua +++ b/src/apps/lwaftr/ipv4_apps.lua @@ -18,9 +18,9 @@ local counter = require("core.counter") local receive, transmit = link.receive, link.transmit local rd16, wr16, rd32, wr32 = lwutil.rd16, lwutil.wr16, lwutil.rd32, lwutil.wr32 -local get_ihl_from_offset, htons = lwutil.get_ihl_from_offset, lwutil.htons -local is_ipv4 = lwutil.is_ipv4 -local ntohs = lib.ntohs +local get_ihl_from_offset = lwutil.get_ihl_from_offset +local is_ipv4, is_ipv4_fragment = lwutil.is_ipv4, lwutil.is_ipv4_fragment +local ntohs, htons = lib.ntohs, lib.htons local band = bit.band local n_ethertype_ipv4 = constants.n_ethertype_ipv4 @@ -56,16 +56,6 @@ function Reassembler:new(conf) return setmetatable(o, {__index=Reassembler}) end -local function is_fragment(pkt) - -- Either the packet has the "more fragments" flag set, - -- or the fragment offset is non-zero, or both. - local flag_more_fragments_mask = 0x2000 - local non_zero_offset = 0x1FFF - local flags_and_frag_offset = ntohs(rd16(pkt.data + ehs + o_ipv4_flags)) - return band(flags_and_frag_offset, flag_more_fragments_mask) ~= 0 or - band(flags_and_frag_offset, non_zero_offset) ~= 0 -end - function Reassembler:cache_fragment(fragment) return fragv4_h.cache_fragment(self.ctab, fragment) end @@ -79,7 +69,7 @@ function Reassembler:push () for _=1,math.min(link.nreadable(input), link.nwritable(output)) do local pkt = receive(input) - if is_ipv4(pkt) and is_fragment(pkt) then + if is_ipv4_fragment(pkt) then counter.add(self.counters["in-ipv4-frag-needs-reassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then diff --git a/src/apps/lwaftr/ipv6_apps.lua b/src/apps/lwaftr/ipv6_apps.lua index 673dfa7dd6..f919a7faa2 100644 --- a/src/apps/lwaftr/ipv6_apps.lua +++ b/src/apps/lwaftr/ipv6_apps.lua @@ -12,13 +12,16 @@ local ipv6 = require("lib.protocol.ipv6") local checksum = require("lib.checksum") local packet = require("core.packet") local counter = require("core.counter") +local lib = require("core.lib") local bit = require("bit") local ffi = require("ffi") local C = ffi.C local receive, transmit = link.receive, link.transmit -local rd16, wr16, htons = lwutil.rd16, lwutil.wr16, lwutil.htons +local rd16, wr16 = lwutil.rd16, lwutil.wr16 +local is_ipv6, is_ipv6_fragment = lwutil.is_ipv6, lwutil.is_ipv6_fragment +local htons = lib.htons local ipv6_fixed_header_size = constants.ipv6_fixed_header_size local n_ethertype_ipv6 = constants.n_ethertype_ipv6 @@ -57,22 +60,13 @@ function ReassembleV6:cache_fragment(fragment) return fragv6_h.cache_fragment(self.ctab, fragment) end -local function is_ipv6(pkt) - return rd16(pkt.data + o_ethernet_ethertype) == n_ethertype_ipv6 -end - -local function is_fragment(pkt) - return pkt.data[ethernet_header_size + constants.o_ipv6_next_header] == - constants.ipv6_frag -end - function ReassembleV6:push () local input, output = self.input.input, self.output.output local errors = self.output.errors for _=1,link.nreadable(input) do local pkt = receive(input) - if is_ipv6(pkt) and is_fragment(pkt) then + if is_ipv6_fragment(pkt) then counter.add(self.counters["in-ipv6-frag-needs-reassembly"]) local status, maybe_pkt, ejected = self:cache_fragment(pkt) if ejected then diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 94f1b9cfd8..7121dfeed4 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -30,8 +30,7 @@ local receive, transmit = link.receive, link.transmit local rd16, wr16, rd32, ipv6_equals = lwutil.rd16, lwutil.wr16, lwutil.rd32, lwutil.ipv6_equals local is_ipv4, is_ipv6 = lwutil.is_ipv4, lwutil.is_ipv6 local get_ihl_from_offset = lwutil.get_ihl_from_offset -local htons, htonl = lwutil.htons, lwutil.htonl -local ntohs, ntohl = htons, htonl +local htons, htonl, ntohs, ntohl = lib.htons, lib.htonl, lib.ntohs, lib.ntohl local keys = lwutil.keys local write_eth_header, write_ipv6_header = lwheader.write_eth_header, lwheader.write_ipv6_header diff --git a/src/apps/lwaftr/lwheader.lua b/src/apps/lwaftr/lwheader.lua index 10bda8b035..55a380e028 100644 --- a/src/apps/lwaftr/lwheader.lua +++ b/src/apps/lwaftr/lwheader.lua @@ -13,8 +13,7 @@ local bitfield = lib.bitfield local wr16, wr32 = lwutil.wr16, lwutil.wr32 local ethernet_header_ptr_type = lwtypes.ethernet_header_ptr_type local ipv6_header_ptr_type = lwtypes.ipv6_header_ptr_type -local htons, htonl = lwutil.htons, lwutil.htonl -local ntohs, ntohl = htons, htonl +local htons, htonl, ntohs, ntohl = lib.htons, lib.htonl, lib.ntohs, lib.ntohl -- Transitional header handling library. -- Over the longer term, something more lib.protocol-like has some nice advantages. diff --git a/src/apps/lwaftr/lwutil.lua b/src/apps/lwaftr/lwutil.lua index d459aec584..b13331f3fa 100644 --- a/src/apps/lwaftr/lwutil.lua +++ b/src/apps/lwaftr/lwutil.lua @@ -4,13 +4,19 @@ local constants = require("apps.lwaftr.constants") local bit = require("bit") local ffi = require("ffi") +local lib = require("core.lib") -local band, rshift, bswap = bit.band, bit.rshift, bit.bswap +local band = bit.band local cast = ffi.cast local uint16_ptr_t = ffi.typeof("uint16_t*") local uint32_ptr_t = ffi.typeof("uint32_t*") +local constants_ipv6_frag = constants.ipv6_frag +local ehs = constants.ethernet_header_size +local o_ipv4_flags = constants.o_ipv4_flags +local ntohs = lib.ntohs + function get_ihl_from_offset(pkt, offset) local ver_and_ihl = pkt.data[offset] return band(ver_and_ihl, 0xf) * 4 @@ -34,15 +40,6 @@ function wr32(offset, val) cast(uint32_ptr_t, offset)[0] = val end -local to_uint32_buf = ffi.new('uint32_t[1]') -local function to_uint32(x) - to_uint32_buf[0] = x - return to_uint32_buf[0] -end - -function htons(s) return rshift(bswap(s), 16) end -function htonl(s) return to_uint32(bswap(s)) end - function keys(t) local result = {} for k,_ in pairs(t) do @@ -53,8 +50,8 @@ end local uint64_ptr_t = ffi.typeof('uint64_t*') function ipv6_equals(a, b) - local a, b = ffi.cast(uint64_ptr_t, a), ffi.cast(uint64_ptr_t, b) - return a[0] == b[0] and a[1] == b[1] + local x, y = ffi.cast(uint64_ptr_t, a), ffi.cast(uint64_ptr_t, b) + return x[0] == y[0] and x[1] == y[1] end -- Local bindings for constants that are used in the hot path of the @@ -66,10 +63,27 @@ local n_ethertype_ipv6 = constants.n_ethertype_ipv6 function is_ipv6(pkt) return rd16(pkt.data + o_ethernet_ethertype) == n_ethertype_ipv6 end + function is_ipv4(pkt) return rd16(pkt.data + o_ethernet_ethertype) == n_ethertype_ipv4 end +function is_ipv6_fragment(pkt) + if not is_ipv6(pkt) then return false end + return pkt.data[ehs + constants.o_ipv6_next_header] == constants_ipv6_frag +end + +function is_ipv4_fragment(pkt) + if not is_ipv4(pkt) then return false end + -- Either the packet has the "more fragments" flag set, + -- or the fragment offset is non-zero, or both. + local flag_more_fragments_mask = 0x2000 + local non_zero_offset = 0x1FFF + local flags_and_frag_offset = ntohs(rd16(pkt.data + ehs + o_ipv4_flags)) + return band(flags_and_frag_offset, flag_more_fragments_mask) ~= 0 or + band(flags_and_frag_offset, non_zero_offset) ~= 0 +end + function set_dst_ethernet(pkt, dst_eth) ffi.copy(pkt.data, dst_eth, 6) end From 5f747165cf7143e19c1a6bd8b2864945b6dbf585 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Tue, 27 Sep 2016 01:38:09 +0200 Subject: [PATCH 261/340] Make the core lwAFTR drop fragments The lwAFTR was designed with the idea that fragmentation apps around it would always remove all fragments, and it would never see any. SnabbVMX allows creation of an app network without the fragmentation apps. This patch modifies the core lwAFTR app to check for fragments. If it finds any, it is running in a configuration where fragmentation should be disabled, so drops them. This adds and documents two new counters: drop-ipv4-frag-disabled and drop-ipv6-frag-disabled There are no new tests that exercise these code paths, yet. --- src/apps/lwaftr/lwaftr.lua | 15 +++++++++++++++ src/apps/lwaftr/lwcounter.lua | 2 ++ src/program/lwaftr/doc/README.counters.md | 6 ++++++ 3 files changed, 23 insertions(+) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 7121dfeed4..1196e99df1 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -33,6 +33,7 @@ local get_ihl_from_offset = lwutil.get_ihl_from_offset local htons, htonl, ntohs, ntohl = lib.htons, lib.htonl, lib.ntohs, lib.ntohl local keys = lwutil.keys local write_eth_header, write_ipv6_header = lwheader.write_eth_header, lwheader.write_ipv6_header +local is_ipv4_fragment, is_ipv6_fragment = lwutil.is_ipv4_fragment, lwutil.is_ipv6_fragment -- Note whether an IPv4 packet is actually coming from the internet, or from -- a b4 and hairpinned to be re-encapsulated in another IPv6 packet. @@ -648,6 +649,12 @@ local function from_inet(lwstate, pkt, pkt_src_link) end end + -- If fragmentation support is enabled, the lwAFTR never receives fragments. + -- If it does, fragment support is disabled and it should drop them. + if is_ipv4_fragment(pkt) then + counter.add(self.counters["drop-ipv4-frag-disabled"]) + return drop_ipv4(lwstate, pkt, pkt_src_link) + end -- It's not incoming ICMP. Assume we can find ports in the IPv4 -- payload, as in TCP and UDP. We could check strictly for TCP/UDP, -- but that would filter out similarly-shaped protocols like SCTP, so @@ -761,6 +768,14 @@ end -- FIXME: Verify that the packet length is big enough? local function from_b4(lwstate, pkt) + -- If fragmentation support is enabled, the lwAFTR never receives fragments. + -- If it does, fragment support is disabled and it should drop them. + if is_ipv6_fragment(pkt) then + counter.add(self.counters["drop-ipv6-frag-disabled"]) + counter.add(self.counters["drop-all-ipv6-iface-bytes"], pkt.length) + counter.add(self.counters["drop-all-ipv6-iface-packets"]) + return drop(pkt) + end local ipv6_header = get_ethernet_payload(pkt) local proto = get_ipv6_next_header(ipv6_header) diff --git a/src/apps/lwaftr/lwcounter.lua b/src/apps/lwaftr/lwcounter.lua index 3c9f907d2a..a6b3734320 100644 --- a/src/apps/lwaftr/lwcounter.lua +++ b/src/apps/lwaftr/lwcounter.lua @@ -105,6 +105,7 @@ counter_names = { "in-ipv4-frag-needs-reassembly", "in-ipv4-frag-reassembled", "in-ipv4-frag-reassembly-unneeded", + "drop-ipv4-frag-disabled", "drop-ipv4-frag-invalid-reassembly", "drop-ipv4-frag-random-evicted", "out-ipv4-frag", @@ -114,6 +115,7 @@ counter_names = { "in-ipv6-frag-needs-reassembly", "in-ipv6-frag-reassembled", "in-ipv6-frag-reassembly-unneeded", + "drop-ipv6-frag-disabled", "drop-ipv6-frag-invalid-reassembly", "drop-ipv6-frag-random-evicted", "out-ipv6-frag", diff --git a/src/program/lwaftr/doc/README.counters.md b/src/program/lwaftr/doc/README.counters.md index 92378044bf..71b51e564e 100644 --- a/src/program/lwaftr/doc/README.counters.md +++ b/src/program/lwaftr/doc/README.counters.md @@ -111,6 +111,9 @@ The memory use counters are in bytes. IPv4 fragmentation counters: +- If fragmentation is disabled, the only potentially non-zero IPv4 fragmentation + counter is **drop-ipv4-frag-disabled**. If fragmentation is enabled, it + will always be zero. - **in-ipv4-frag-needs-reassembly**: An IPv4 fragment was received. - **in-ipv4-frag-reassembled**: A packet was successfully reassembled from IPv4 fragments. @@ -137,6 +140,9 @@ IPv4 fragmentation counters: IPv6 fragmentation counters: +- If fragmentation is disabled, the only potentially non-zero IPv6 fragmentation + counter is **drop-ipv6-frag-disabled**. If fragmentation is enabled, it + will always be zero. - **in-ipv6-frag-needs-reassembly**: An IPv6 fragment was received - **in-ipv6-frag-reassembled**: A packet was successfully reassembled from IPv6 fragments From f35f4e91911e6c70965168a4b849bc69ae9cca9a Mon Sep 17 00:00:00 2001 From: Max Rottenkolber Date: Tue, 27 Sep 2016 18:06:38 +0200 Subject: [PATCH 262/340] =?UTF-8?q?lib.ipsec.esp:=20refactor=20and=20fixes?= =?UTF-8?q?=20=20=20-=20move=20all=20resync=20logic=20into=20resync=20meth?= =?UTF-8?q?od=20=20=20-=20use=20self.aes=5F128=5Fgcm.auth=5Fbuf=20for=20pa?= =?UTF-8?q?cket=20regeneration=20=20=20-=20remember=20to=20free=20temporar?= =?UTF-8?q?y=20packet=20used=20in=20resync=20=20=20-=20move=20auditing=20c?= =?UTF-8?q?ode=20into=20audit=20method=20=20=20-=20make=20auditing=20confi?= =?UTF-8?q?gurable=20as=20specified=20in=20RFC=C2=A04303=20=20=20-=20only?= =?UTF-8?q?=20log=20audits=20for=20packets=20that=20were=20actually=20reje?= =?UTF-8?q?cted=20=20=20-=20update=20docs=20and=20comments?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/lib/ipsec/README.md | 14 +++-- src/lib/ipsec/esp.lua | 116 ++++++++++++++++++---------------------- 2 files changed, 60 insertions(+), 70 deletions(-) diff --git a/src/lib/ipsec/README.md b/src/lib/ipsec/README.md index 0935522d3c..6c6f58f7cb 100644 --- a/src/lib/ipsec/README.md +++ b/src/lib/ipsec/README.md @@ -38,11 +38,15 @@ be a table with the following keys: * `spi` - “Security Parameter Index” as specified in RFC 4303. * `window_size` - *Optional*. Width of the window in which out of order packets are accepted. The default is 128. (`esp_v6_decrypt` only.) -* `resync_threshold` - *Optional*. Number of consecutive packets that failed - authentication before triggering RFC4303 App. A3 resynchronization. - The default is 1024. -* `resync_attempts` - *Optional*. Number of attempts to resynchronize - a packet that triggered the resync process (see above). The default is 8. +* `resync_threshold` - *Optional*. Number of consecutive packets allowed to + fail decapsulation before attempting re-synchronization. The default is + 10000. (`esp_v6_decrypt` only.) +* `resync_attempts` - *Optional*. Number of attempts to re-synchronize + a packet that triggered re-synchronization. The default is 10. + (`esp_v6_decrypt` only.) +* `auditing` - *Optional.* A boolean value indicating whether to enable or + disable “Auditing” as specified in RFC 4303. The default is `nil` (no + auditing). (`esp_v6_decrypt` only.) — Method **esp_v6_encrypt:encapsulate** *packet* diff --git a/src/lib/ipsec/esp.lua b/src/lib/ipsec/esp.lua index 7f67991652..49ca5db51d 100644 --- a/src/lib/ipsec/esp.lua +++ b/src/lib/ipsec/esp.lua @@ -3,16 +3,6 @@ -- -- Notes: -- --- * Auditing is *not* implemented, see the “Auditing” section of RFC 4303 for --- details: https://tools.ietf.org/html/rfc4303#section-4 --- --- * Anti-replay protection for packets within `window_size' on the receiver --- side is *not* implemented, see `track_seq_no.c'. --- --- * Recovery from synchronisation loss is is *not* implemented, see --- Appendix 3: “Handling Loss of Synchronization due to Significant Packet --- Loss” of RFC 4303 for details: https://tools.ietf.org/html/rfc4303#page-42 --- -- * Wrapping around of the Extended Sequence Number is *not* detected because -- it is assumed to be an unrealistic scenario as it would take 584 years to -- overflow the counter when transmitting 10^9 packets per second. @@ -130,6 +120,7 @@ function esp_v6_decrypt:new (conf) assert(o.window_size % 8 == 0, "window_size must be a multiple of 8.") o.window = ffi.new(window_t, o.window_size / 8) o.decap_fail = 0 + o.auditing = conf.auditing return setmetatable(o, {__index=esp_v6_decrypt}) end @@ -151,75 +142,70 @@ function esp_v6_decrypt:decapsulate (p) local ctext_length = length - self.PLAIN_OVERHEAD local seq_low = self.esp:seq_no() local seq_high = tonumber(C.check_seq_no(seq_low, self.seq.no, self.window, self.window_size)) + local error = nil if seq_high < 0 or not gcm:decrypt(ctext_start, seq_low, seq_high, iv_start, ctext_start, ctext_length) then - local reason = seq_high == -1 and 'replayed' or 'integrity error' - -- This is the information RFC4303 says we SHOULD log - local info = "SPI=" .. tostring(self.spi) .. ", " .. - "src_addr='" .. tostring(self.ip:ntop(self.ip:src())) .. "', " .. - "dst_addr='" .. tostring(self.ip:ntop(self.ip:dst())) .. "', " .. - "seq_low=" .. tostring(seq_low) .. ", " .. - "flow_id=" .. tostring(self.ip:flow_label()) .. ", " .. - "reason='" .. reason .. "'"; - logger:log("Rejecting packet ("..info..")") - -- RFC4303 is somewhat unclear on a) whether or not packets that look - -- replayed are eligible to trigger recyns, and b) what 'consecutive' - -- means in "number of consecutive packets that fail authentication": - -- Consecutive in time? Consecutive in their seq_low's? - -- Assuming a) should be 'yes' since the to-be-resynced packets might - -- have seq_low's that just happen to fall inside the replay window - -- (seq_lo-wise) and would look replayed, yet aren't. Assuming b) means - -- 'in time', since systematic loss could stall resync indefinitely. + if seq_high < 0 then error = "replayed" + else error = "integrity error" end self.decap_fail = self.decap_fail + 1 - if self.decap_fail >= self.resync_threshold then - local resync_start - if seq_high >= 0 then - -- We failed to decrypt in-place, undo the damage to recover the - -- original ctext - gcm:encrypt(ctext_start, iv_start, seq_low, seq_high, ctext_start, ctext_length, ffi.new("uint8_t[?]", gcm.AUTH_SIZE)) - resync_start = seq_high + 1 - else - -- use the last seq_high we saw if it looked replayed - resync_start = self:seq_high() + 1 - end - self.decap_fail = 0 -- avoid immediate re-triggering if resync fails - local seq_high_resynced = self:resync(p, seq_low, resync_start, self.resync_attempts) - if seq_high_resynced then - seq_high = seq_high_resynced - -- resynced! the data has been decrypted in the process so we're - -- ready to go - else - return false - end - else - return false + if self.decap_fail > self.resync_threshold then + seq_high = self:resync(p, seq_low, seq_high) + if seq_high then error = nil end end end - self.seq.no = C.track_seq_no(seq_high, seq_low, self.seq.no, self.window, self.window_size) - local esp_tail_start = ctext_start + ctext_length - ESP_TAIL_SIZE - self.esp_tail:new_from_mem(esp_tail_start, ESP_TAIL_SIZE) - local ptext_length = ctext_length - self.esp_tail:pad_length() - ESP_TAIL_SIZE - self.ip:next_header(self.esp_tail:next_header()) - self.ip:payload_length(ptext_length) - C.memmove(payload, ctext_start, ptext_length) - packet.resize(p, PAYLOAD_OFFSET + ptext_length) - self.decap_fail = 0 - return true + if error then + self:audit(error) + return false + else + self.seq.no = C.track_seq_no(seq_high, seq_low, self.seq.no, self.window, self.window_size) + local esp_tail_start = ctext_start + ctext_length - ESP_TAIL_SIZE + self.esp_tail:new_from_mem(esp_tail_start, ESP_TAIL_SIZE) + local ptext_length = ctext_length - self.esp_tail:pad_length() - ESP_TAIL_SIZE + self.ip:next_header(self.esp_tail:next_header()) + self.ip:payload_length(ptext_length) + C.memmove(payload, ctext_start, ptext_length) + packet.resize(p, PAYLOAD_OFFSET + ptext_length) + self.decap_fail = 0 + return true + end end -function esp_v6_decrypt:resync(p, seq_low, seq_high, n) - local p_orig = packet.clone(p) +function esp_v6_decrypt:audit (reason) + if not self.auditing then return end + -- This is the information RFC4303 says we SHOULD log + logger:log("Rejecting packet (" .. + "SPI=" .. self.spi .. ", " .. + "src_addr='" .. self.ip:ntop(self.ip:src()) .. "', " .. + "dst_addr='" .. self.ip:ntop(self.ip:dst()) .. "', " .. + "seq_low=" .. self.esp:seq_no() .. ", " .. + "flow_id=" .. self.ip:flow_label() .. ", " .. + "reason='" .. reason .. "'" .. + ")") +end + +function esp_v6_decrypt:resync (p, seq_low, seq_high) local gcm = self.aes_128_gcm local payload = p.data + PAYLOAD_OFFSET local iv_start = payload + ESP_SIZE local ctext_start = payload + self.CTEXT_OFFSET local ctext_length = p.length - self.PLAIN_OVERHEAD - for i = 1, n do + if seq_high < 0 then + -- The sequence number looked replayed, we use the last seq_high we have + -- seen + seq_high = self.seq:high() + else + -- We failed to decrypt in-place, undo the damage to recover the original + -- ctext (ignore bogus auth data) + gcm:encrypt(ctext_start, iv_start, seq_low, seq_high, ctext_start, ctext_length, gcm.auth_buf) + end + local p_orig = packet.clone(p) + for i = 1, self.resync_attempts do + seq_high = seq_high + 1 if gcm:decrypt(ctext_start, seq_low, seq_high, iv_start, ctext_start, ctext_length) then + packet.free(p_orig) return seq_high else ffi.copy(p.data, p_orig.data, p_orig.length) end - seq_high = seq_high + 1 end end @@ -347,7 +333,7 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ assert(dec:decapsulate(px), "decapsulation failed") enc.seq:high(3) -- pretend there has been massive packet loss enc.seq:low(24) - for i = 1, dec.resync_threshold-1 do + for i = 1, dec.resync_threshold do px = packet.clone(p) enc:encapsulate(px) assert(not dec:decapsulate(px), "decapsulated pre-resync packet") @@ -358,7 +344,7 @@ ABCDEFGHIJKLMNOPQRSTUVWXYZ -- Make sure we don't accidentally resynchronize with very old replayed -- traffic enc.seq.no = 42 - for i = 1, dec.resync_threshold-1 do + for i = 1, dec.resync_threshold do px = packet.clone(p) enc:encapsulate(px) assert(not dec:decapsulate(px), "decapsulated very old packet") From 37bc4f068f40a72c4e9f50222241f64f4f7e9512 Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Wed, 28 Sep 2016 13:58:24 +0200 Subject: [PATCH 263/340] Add -D: duration option to check --- src/program/lwaftr/check/README | 4 +++- src/program/lwaftr/check/check.lua | 9 ++++++--- 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/src/program/lwaftr/check/README b/src/program/lwaftr/check/README index b309a385b5..97bd20bb5b 100644 --- a/src/program/lwaftr/check/README +++ b/src/program/lwaftr/check/README @@ -5,8 +5,10 @@ Usage: check [-r] CONF V4-IN.PCAP V6-IN.PCAP V4-OUT.PCAP V6-OUT.PCAP [COUNTERS.L Print usage information. -r, --regen Regenerate counter files, instead of checking. - --on-a-stick + --on-a-stickef Run in on-a-stick mode. + -D, --duration + Time to run Snabb for (default 0.10 seconds) Without -r: Run the lwAFTR with input from IPV4-IN.PCAP and IPV6-IN.PCAP, and record diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index fc4ad70d91..4a590e4d8b 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -28,8 +28,11 @@ function parse_args (args) handlers["on-a-stick"] = function () opts["on-a-stick"] = true end - args = lib.dogetopt(args, handlers, "hr", - { help="h", regen="r", ["on-a-stick"] = 0 }) + handlers.D = function(dur) + opts["duration"] = tonumber(dur) + end + args = lib.dogetopt(args, handlers, "hrD:", + { help="h", regen="r", duration="D", ["on-a-stick"] = 0 }) if #args ~= 5 and #args ~= 6 then show_usage(1) end return opts, args end @@ -117,7 +120,7 @@ function run(args) validate_diff(counters_diff, req_counters) end else - engine.main({duration=0.10}) + engine.main({duration=opts.duration or 0.10}) end print("done") end From a6c60ae847c732ddb43a8f6e897b44e5772c1c0d Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 28 Sep 2016 14:50:11 +0000 Subject: [PATCH 264/340] Move lwaftr/nexthop to snabbvmx/nexthop --- src/program/{lwaftr => snabbvmx}/nexthop/README | 0 src/program/{lwaftr => snabbvmx}/nexthop/README.inc | 0 src/program/{lwaftr => snabbvmx}/nexthop/nexthop.lua | 2 +- src/program/snabbvmx/tests/nexthop/selftest.sh | 2 +- 4 files changed, 2 insertions(+), 2 deletions(-) rename src/program/{lwaftr => snabbvmx}/nexthop/README (100%) rename src/program/{lwaftr => snabbvmx}/nexthop/README.inc (100%) rename src/program/{lwaftr => snabbvmx}/nexthop/nexthop.lua (96%) diff --git a/src/program/lwaftr/nexthop/README b/src/program/snabbvmx/nexthop/README similarity index 100% rename from src/program/lwaftr/nexthop/README rename to src/program/snabbvmx/nexthop/README diff --git a/src/program/lwaftr/nexthop/README.inc b/src/program/snabbvmx/nexthop/README.inc similarity index 100% rename from src/program/lwaftr/nexthop/README.inc rename to src/program/snabbvmx/nexthop/README.inc diff --git a/src/program/lwaftr/nexthop/nexthop.lua b/src/program/snabbvmx/nexthop/nexthop.lua similarity index 96% rename from src/program/lwaftr/nexthop/nexthop.lua rename to src/program/snabbvmx/nexthop/nexthop.lua index c09e6b0653..5856050d2d 100644 --- a/src/program/lwaftr/nexthop/nexthop.lua +++ b/src/program/snabbvmx/nexthop/nexthop.lua @@ -15,7 +15,7 @@ local long_opts = { } local function usage (code) - print(require("program.lwaftr.nexthop.README_inc")) + print(require("program.snabbvmx.nexthop.README_inc")) main.exit(code) end diff --git a/src/program/snabbvmx/tests/nexthop/selftest.sh b/src/program/snabbvmx/tests/nexthop/selftest.sh index 30f5aaa10e..4760200c5d 100755 --- a/src/program/snabbvmx/tests/nexthop/selftest.sh +++ b/src/program/snabbvmx/tests/nexthop/selftest.sh @@ -58,7 +58,7 @@ packetblaster_pid=$! TIMEOUT=10 count=0 while true; do - output=`./snabb lwaftr nexthop | egrep -o "[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+"` + output=`./snabb snabbvmx nexthop | egrep -o "[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+"` mac_v4=`echo "$output" | head -1` # FIXME: returned next_hop_v6_mac value includes some garbage on the first two bytes. mac_v6=`echo "$output" | tail -1` From c21192192f7ff6994acd002697b43c774b4f3850 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 28 Sep 2016 14:58:14 +0000 Subject: [PATCH 265/340] Move apps/nh_fwd/nh_fwd.lua to apps/lwaftr/nh_fwd.lua --- src/apps/{nh_fwd => lwaftr}/nh_fwd.lua | 0 src/program/snabbvmx/lwaftr/setup.lua | 2 +- 2 files changed, 1 insertion(+), 1 deletion(-) rename src/apps/{nh_fwd => lwaftr}/nh_fwd.lua (100%) diff --git a/src/apps/nh_fwd/nh_fwd.lua b/src/apps/lwaftr/nh_fwd.lua similarity index 100% rename from src/apps/nh_fwd/nh_fwd.lua rename to src/apps/lwaftr/nh_fwd.lua diff --git a/src/program/snabbvmx/lwaftr/setup.lua b/src/program/snabbvmx/lwaftr/setup.lua index fa4cf0666d..60426415f8 100644 --- a/src/program/snabbvmx/lwaftr/setup.lua +++ b/src/program/snabbvmx/lwaftr/setup.lua @@ -13,7 +13,7 @@ local ipv6_apps = require("apps.lwaftr.ipv6_apps") local lib = require("core.lib") local lwaftr = require("apps.lwaftr.lwaftr") local lwcounter = require("apps.lwaftr.lwcounter") -local nh_fwd = require("apps.nh_fwd.nh_fwd") +local nh_fwd = require("apps.lwaftr.nh_fwd") local pci = require("lib.hardware.pci") local raw = require("apps.socket.raw") local tap = require("apps.tap.tap") From aba846ce0ca0062c82783e8eb6388c51b847293d Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Wed, 28 Sep 2016 16:15:23 +0000 Subject: [PATCH 266/340] fix nexthop test --- src/program/snabbvmx/tests/nexthop/selftest.sh | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/src/program/snabbvmx/tests/nexthop/selftest.sh b/src/program/snabbvmx/tests/nexthop/selftest.sh index 4760200c5d..67755fe8bd 100755 --- a/src/program/snabbvmx/tests/nexthop/selftest.sh +++ b/src/program/snabbvmx/tests/nexthop/selftest.sh @@ -29,7 +29,6 @@ function quit_screens { function cleanup { quit_screens - kill $packetblaster_pid exit 0 } @@ -51,8 +50,13 @@ run_cmd_in_screen "snabbvmx" "$cmd" start_test_env # Flush lwAFTR packets to SnabbVMX. -./snabb packetblaster replay -D 10 $PCAP_INPUT/v4v6-256.pcap $SNABB_PCI1 & -packetblaster_pid=$! +cmd="./snabb packetblaster replay -D 10 $PCAP_INPUT/v4v6-256.pcap $SNABB_PCI1" +run_cmd_in_screen "packetblaster" "$cmd" + +function last_32bit { + mac=$1 + echo `echo $mac | egrep -o "[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+$"` +} # Query nexthop for 10 seconds. TIMEOUT=10 @@ -60,11 +64,13 @@ count=0 while true; do output=`./snabb snabbvmx nexthop | egrep -o "[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+:[[:xdigit:]]+"` mac_v4=`echo "$output" | head -1` - # FIXME: returned next_hop_v6_mac value includes some garbage on the first two bytes. mac_v6=`echo "$output" | tail -1` - if [[ "$mac_v4" == "02:99:99:99:99:99" ]]; then + # Somehow the first 16-bit of nexhop come from the VM corrupted, compare only last 32-bit. + if [[ $(last_32bit "$mac_v4") == "99:99:99:99" && + $(last_32bit "$mac_v6") == "99:99:99:99" ]]; then echo "Resolved MAC inet side: $mac_v4 [OK]" + echo "Resolved MAC inet side: $mac_v6 [OK]" break fi From 8448ccd345e139b7973444b368ded885e5c42dde Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Wed, 28 Sep 2016 19:28:04 +0200 Subject: [PATCH 267/340] Fix variable name: self->lwaftr --- src/apps/lwaftr/lwaftr.lua | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/apps/lwaftr/lwaftr.lua b/src/apps/lwaftr/lwaftr.lua index 1196e99df1..08613db1cd 100644 --- a/src/apps/lwaftr/lwaftr.lua +++ b/src/apps/lwaftr/lwaftr.lua @@ -652,7 +652,7 @@ local function from_inet(lwstate, pkt, pkt_src_link) -- If fragmentation support is enabled, the lwAFTR never receives fragments. -- If it does, fragment support is disabled and it should drop them. if is_ipv4_fragment(pkt) then - counter.add(self.counters["drop-ipv4-frag-disabled"]) + counter.add(lwstate.counters["drop-ipv4-frag-disabled"]) return drop_ipv4(lwstate, pkt, pkt_src_link) end -- It's not incoming ICMP. Assume we can find ports in the IPv4 @@ -771,9 +771,9 @@ local function from_b4(lwstate, pkt) -- If fragmentation support is enabled, the lwAFTR never receives fragments. -- If it does, fragment support is disabled and it should drop them. if is_ipv6_fragment(pkt) then - counter.add(self.counters["drop-ipv6-frag-disabled"]) - counter.add(self.counters["drop-all-ipv6-iface-bytes"], pkt.length) - counter.add(self.counters["drop-all-ipv6-iface-packets"]) + counter.add(lwstate.counters["drop-ipv6-frag-disabled"]) + counter.add(lwstate.counters["drop-all-ipv6-iface-bytes"], pkt.length) + counter.add(lwstate.counters["drop-all-ipv6-iface-packets"]) return drop(pkt) end local ipv6_header = get_ethernet_payload(pkt) From bb521e892179877231411766715a4b02a203ab92 Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Fri, 30 Sep 2016 10:55:00 +0200 Subject: [PATCH 268/340] use integer for instance id and add name tag for the nic id --- src/program/snabbvmx/query/example1.xml | 3 ++- src/program/snabbvmx/query/example2.xml | 6 ++++-- src/program/snabbvmx/query/query.lua | 8 ++++++-- 3 files changed, 12 insertions(+), 5 deletions(-) diff --git a/src/program/snabbvmx/query/example1.xml b/src/program/snabbvmx/query/example1.xml index 22a2ff0eb6..3e19ca584a 100644 --- a/src/program/snabbvmx/query/example1.xml +++ b/src/program/snabbvmx/query/example1.xml @@ -1,6 +1,7 @@ - xe0 + 0 + xe0 544 02:02:02:02:02:02 02:02:02:02:02:02 diff --git a/src/program/snabbvmx/query/example2.xml b/src/program/snabbvmx/query/example2.xml index 1b3d8faaca..9ac3997759 100644 --- a/src/program/snabbvmx/query/example2.xml +++ b/src/program/snabbvmx/query/example2.xml @@ -1,6 +1,7 @@ - xe0 + 0 + xe0 471 00:00:00:00:00:00 00:00:00:00:00:00 @@ -236,7 +237,8 @@ - xe1 + 1 + xe1 476 00:00:00:00:00:00 00:00:00:00:00:00 diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua index 233fb470b6..f0d40730bc 100644 --- a/src/program/snabbvmx/query/query.lua +++ b/src/program/snabbvmx/query/query.lua @@ -109,19 +109,23 @@ function run (raw_args) parse_args(raw_args) print("") local pids = {} + local pids_name = {} for _, pid in ipairs(shm.children("/")) do if shm.exists("/"..pid.."/nic/id") then local lwaftr_id = shm.open("/"..pid.."/nic/id", lwtypes.lwaftr_id_type) - local instance_id = ffi.string(lwaftr_id.value) + local instance_id_name = ffi.string(lwaftr_id.value) + local _, _, instance_id = string.find(instance_id_name, "(%d+)") if instance_id then pids[instance_id] = pid + pids_name[instance_id] = instance_id_name end end end for _, instance_id in ipairs(sort(keys(pids))) do local pid = pids[instance_id] print(" ") - print((" %s"):format(instance_id)) + print((" %d"):format(instance_id)) + print((" %s"):format(pids_name[instance_id])) print((" %d"):format(pid)) print_next_hop(pid, "next_hop_mac_v4") print_next_hop(pid, "next_hop_mac_v6") From 5fb1ad4ea6e92c36792549249c85ed9c1856d023 Mon Sep 17 00:00:00 2001 From: Marcel Wiget Date: Fri, 30 Sep 2016 12:11:48 +0200 Subject: [PATCH 269/340] using :match() for readability and check if name exists --- src/program/snabbvmx/query/query.lua | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/program/snabbvmx/query/query.lua b/src/program/snabbvmx/query/query.lua index f0d40730bc..3da83a589e 100644 --- a/src/program/snabbvmx/query/query.lua +++ b/src/program/snabbvmx/query/query.lua @@ -114,7 +114,7 @@ function run (raw_args) if shm.exists("/"..pid.."/nic/id") then local lwaftr_id = shm.open("/"..pid.."/nic/id", lwtypes.lwaftr_id_type) local instance_id_name = ffi.string(lwaftr_id.value) - local _, _, instance_id = string.find(instance_id_name, "(%d+)") + local instance_id = instance_id_name and instance_id_name:match("(%d+)") if instance_id then pids[instance_id] = pid pids_name[instance_id] = instance_id_name From b847569dd5d23f9650cf6f1e7750e0ccb68829bf Mon Sep 17 00:00:00 2001 From: Katerina Barone-Adesi Date: Fri, 30 Sep 2016 17:02:12 +0200 Subject: [PATCH 270/340] Addressed review comments --- src/program/lwaftr/check/README | 2 +- src/program/lwaftr/check/check.lua | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/src/program/lwaftr/check/README b/src/program/lwaftr/check/README index 97bd20bb5b..75344b2a92 100644 --- a/src/program/lwaftr/check/README +++ b/src/program/lwaftr/check/README @@ -5,7 +5,7 @@ Usage: check [-r] CONF V4-IN.PCAP V6-IN.PCAP V4-OUT.PCAP V6-OUT.PCAP [COUNTERS.L Print usage information. -r, --regen Regenerate counter files, instead of checking. - --on-a-stickef + --on-a-stick Run in on-a-stick mode. -D, --duration Time to run Snabb for (default 0.10 seconds) diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 4a590e4d8b..06ec82be7b 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -34,6 +34,7 @@ function parse_args (args) args = lib.dogetopt(args, handlers, "hrD:", { help="h", regen="r", duration="D", ["on-a-stick"] = 0 }) if #args ~= 5 and #args ~= 6 then show_usage(1) end + if not opts["duration"] then opts["duration"] = 0.10 end return opts, args end @@ -110,7 +111,7 @@ function run(args) engine.configure(c) if counters_path then local initial_counters = read_counters(c) - engine.main({duration=0.10}) + engine.main({duration=opts.duration}) local final_counters = read_counters(c) local counters_diff = diff_counters(final_counters, initial_counters) if opts.r then @@ -120,7 +121,7 @@ function run(args) validate_diff(counters_diff, req_counters) end else - engine.main({duration=opts.duration or 0.10}) + engine.main({duration=opts.duration}) end print("done") end From 21bc5bb5f974b42bab3618e7316c8d039cd902a1 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 3 Oct 2016 11:11:51 +0200 Subject: [PATCH 271/340] lwAFTR check on-a-stick mode was ignored --- src/program/lwaftr/check/check.lua | 2 +- .../lwaftr/tests/end-to-end/core-end-to-end.sh | 12 +++++++----- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/src/program/lwaftr/check/check.lua b/src/program/lwaftr/check/check.lua index 06ec82be7b..4b30fe9b0b 100644 --- a/src/program/lwaftr/check/check.lua +++ b/src/program/lwaftr/check/check.lua @@ -107,7 +107,7 @@ function run(args) local conf = lwconf.load_lwaftr_config(conf_file) local c = config.new() - setup.load_check(c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) + load_check(c, conf, inv4_pcap, inv6_pcap, outv4_pcap, outv6_pcap) engine.configure(c) if counters_path then local initial_counters = read_counters(c) diff --git a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh index 67bd954003..b2422b9e3d 100755 --- a/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh +++ b/src/program/lwaftr/tests/end-to-end/core-end-to-end.sh @@ -50,7 +50,9 @@ function snabb_run_and_regen_counters { function is_packet_in_wrong_interface_test { counters_path=$1 if [[ "$counters_path" == "${COUNTERS}/non-ipv6-traffic-to-ipv6-interface.lua" || - "$counters_path" == "${COUNTERS}/non-ipv4-traffic-to-ipv4-interface.lua" ]]; then + "$counters_path" == "${COUNTERS}/non-ipv4-traffic-to-ipv4-interface.lua" || + # FIXME: Counters differ from normal an on-a-stick mode. Is that correct? + "$counters_path" == "${COUNTERS}/regressiontest-signedntohl-frags-counters.lua" ]]; then echo 1 fi } @@ -58,7 +60,7 @@ function is_packet_in_wrong_interface_test { function snabb_run_and_cmp_on_a_stick { conf=$1; v4_in=$2; v6_in=$3; v4_out=$4; v6_out=$5; counters_path=$6 endoutv4="${TEST_OUT}/endoutv4.pcap"; endoutv6="${TEST_OUT}/endoutv6.pcap" - # Skip these tests as they won't fail in on-a-stick mode. + # Skip these tests as they will fail in on-a-stick mode. if [[ $(is_packet_in_wrong_interface_test $counters_path) ]]; then echo "Test skipped" return @@ -67,11 +69,11 @@ function snabb_run_and_cmp_on_a_stick { ${SNABB_LWAFTR} check --on-a-stick \ $conf $v4_in $v6_in \ $endoutv4 $endoutv6 $counters_path || quit_with_msg \ - "Failure: ${SNABB_LWAFTR} check $*" + "Failure: ${SNABB_LWAFTR} check --on-a-stick $*" scmp $v4_out $endoutv4 \ - "Failure: ${SNABB_LWAFTR} check $*" + "Failure: ${SNABB_LWAFTR} check --on-a-stick $*" scmp $v6_out $endoutv6 \ - "Failure: ${SNABB_LWAFTR} check $*" + "Failure: ${SNABB_LWAFTR} check --on-a-stick $*" echo "Test passed" } From 7c77ac69dc68e88a7123e420476ab1ccbfb51188 Mon Sep 17 00:00:00 2001 From: Diego Pino Garcia Date: Mon, 3 Oct 2016 12:34:54 +0200 Subject: [PATCH 272/340] Remove skipped test --- ...ressiontest-signedntohl-frags-counters.lua | 7 ++----- .../regressiontest-signedntohl-frags.pcap | Bin 8953 -> 7334 bytes .../regressiontest-signedntohl-frags.pcap | Bin 9021 -> 7394 bytes .../tests/end-to-end/core-end-to-end.sh | 4 +--- 4 files changed, 3 insertions(+), 8 deletions(-) diff --git a/src/program/lwaftr/tests/data/counters/regressiontest-signedntohl-frags-counters.lua b/src/program/lwaftr/tests/data/counters/regressiontest-signedntohl-frags-counters.lua index 9042687027..b16e853320 100644 --- a/src/program/lwaftr/tests/data/counters/regressiontest-signedntohl-frags-counters.lua +++ b/src/program/lwaftr/tests/data/counters/regressiontest-signedntohl-frags-counters.lua @@ -1,15 +1,12 @@ return { - ["drop-all-ipv6-iface-bytes"] = 7997, - ["drop-all-ipv6-iface-packets"] = 7, - ["drop-misplaced-not-ipv6-bytes"] = 1587, - ["drop-misplaced-not-ipv6-packets"] = 2, + ["drop-all-ipv6-iface-bytes"] = 6410, + ["drop-all-ipv6-iface-packets"] = 5, ["drop-no-source-softwire-ipv6-bytes"] = 6410, ["drop-no-source-softwire-ipv6-packets"] = 5, ["drop-out-by-policy-icmpv6-packets"] = 5, ["in-ipv6-bytes"] = 6410, ["in-ipv6-frag-needs-reassembly"] = 15, ["in-ipv6-frag-reassembled"] = 5, - ["in-ipv6-frag-reassembly-unneeded"] = 2, ["in-ipv6-packets"] = 5, ["memuse-ipv4-frag-reassembly-buffer"] = 463571780, ["memuse-ipv6-frag-reassembly-buffer"] = 464727376, diff --git a/src/program/lwaftr/tests/data/regressiontest-signedntohl-frags.pcap b/src/program/lwaftr/tests/data/regressiontest-signedntohl-frags.pcap index 6b0a082d7d68cd78fbf01f658c9c0d0eccd4560a..789309414075b9a4348d83b0c0cc2be90b5aaa93 100644 GIT binary patch delta 16 YcmezAy3BIJIo8PvQY@SIa9t4t06;Vb)c^nh delta 432 zcmZ2x`O|g7IabY9y{F*~<-82HSQx-~!lPYNwD!cfs*5h*!dX$iQGPn7FZU zDdXk`ybBmN2e36TZob5NMXY`zQ1gR_Tnv#wB_Pb$aEO6{52Cr_3==yGn90Dx!ftA4 z$;QM`!NrkUVPa-rpliUh(5o~rvmmud!7sI>JijQrSVzG#FIi6ks=&k`O~JJ!Bef_m zwL~GfJhLP@Lq{PS#LZFg3ib03RxmWF*E5VTHP&@8Hq|rMQE)2F%t=v5Ni0dVQZOHnB1`PzViiR&dTQs4U7%&nQvQNY+#^w6rwS1u0d)?iM~41`!4k z0SQ*dHF5#VnHU%tlzAAL*%+A^EMGUsMMuHV+(^&ZK+nQJ&(OkD zMLj%wxFq0V=WgiOW| aXJd0iQ$s@o0|S$P>E!N2aQY@R#aIuI306=gCQvd(} delta 440 zcmaE4xz}yOEmqxDy{F*~<-82{SQx-~!lPYNwD!cfs*5h*ZDe3e<6v;rV>!dX$iQGP zn7FxCd@185z6Fe%6WAIUH{WAr5wD*JG~mHQE{0g35)fu=IK;rfhcKYy3==yGn9IPz z!ftA4$;QM`!NrkUVPa-rpliUh(5o~rvmmud!7sI>JijQrSVzG#FIi6ks=&k`O~JJ! zBef_mwL~GfJhLP@Lq{PS#LZFg3ib1^4^}WV(KC!NHP&@8Hq|rMQE)2F%t=v5Ni0dV zQZOHnB1`PzViiR&dTQs4U7%&nQvQNY+#^w6rwS1u0d)?iM~4 z1`!4k0SQ*dHF5#VnHU%tlzAAL*%+A^ Date: Tue, 4 Oct 2016 17:09:07 +0200 Subject: [PATCH 273/340] Add Hydra mode and filename support to bench CSV output (#468) Support Hydra format for CSV output of 'lwaftr bench' command --- src/lib/lua/alt_getopt.lua | 2 -- src/program/lwaftr/bench/README | 19 ++++++++++ src/program/lwaftr/bench/bench.lua | 12 ++++--- src/program/lwaftr/csv_stats.lua | 58 ++++++++++++++++++++++++------ 4 files changed, 74 insertions(+), 17 deletions(-) diff --git a/src/lib/lua/alt_getopt.lua b/src/lib/lua/alt_getopt.lua index b61039b730..038533f06c 100644 --- a/src/lib/lua/alt_getopt.lua +++ b/src/lib/lua/alt_getopt.lua @@ -24,8 +24,6 @@ local type, pairs, ipairs, io, os = type, pairs, ipairs, io, os module (...) local function convert_short2long (opts) - local i = 1 - local len = #opts local ret = {} for short_opt, accept_arg in opts:gmatch("(%w)(:?)") do diff --git a/src/program/lwaftr/bench/README b/src/program/lwaftr/bench/README index 9145bf4606..5c45cb327d 100644 --- a/src/program/lwaftr/bench/README +++ b/src/program/lwaftr/bench/README @@ -2,9 +2,28 @@ Usage: bench CONF IPV4-IN.PCAP IPV6-IN.PCAP -h, --help Print usage information. + -y HYDRA, --hydra + Hydra mode: emit CSV data in the format expected + by the Hydra reports. For instance: + + benchmark,snabb,id,score,unit + + rather than the default: + + Time (s),Decap. MPPS,Decap. Gbps,Encap. MPPS,Encap. Gbps + -f FILENAME, --filename FILENAME + The file or path name to which CSV data is written. + A simple filename or relative pathname will be based + on the current directory. Default is "bench.csv". + -D DURATION, --duration DURATION + Duration in seconds. Run the lwAFTR with input from IPV4-IN.PCAP and IPV6-IN.PCAP. The bench command is used to get an idea of the raw speed of the lwaftr without interaction with NICs, or check the impact of changes on a development machine that may not have Intel 82599 NICs. Exit when finished. This program is used in the lwAFTR test suite. + +Packets are counted and recorded, and the corresponding incoming and outgoing +packet rates are written to a file in CSV format, suitable for passing to a +graphing program. diff --git a/src/program/lwaftr/bench/bench.lua b/src/program/lwaftr/bench/bench.lua index bebb0d77fc..c2b3fee914 100644 --- a/src/program/lwaftr/bench/bench.lua +++ b/src/program/lwaftr/bench/bench.lua @@ -14,12 +14,16 @@ end function parse_args(args) local handlers = {} local opts = {} + opts.filename = "bench.csv" function handlers.D(arg) opts.duration = assert(tonumber(arg), "duration must be a number") assert(opts.duration >= 0, "duration can't be negative") end + function handlers.f(arg) opts.filename = arg end + function handlers.y() opts.hydra = true end function handlers.h() show_usage(0) end - args = lib.dogetopt(args, handlers, "hD:", { help="h", duration="D" }) + args = lib.dogetopt(args, handlers, "hyf:D:", { + help="h", hydra="y", filename="f", duration="D" }) if #args ~= 3 then show_usage(1) end return opts, unpack(args) end @@ -32,9 +36,9 @@ function run(args) setup.load_bench(c, conf, inv4_pcap, inv6_pcap, 'sinkv4', 'sinkv6') app.configure(c) - local csv = csv_stats.CSVStatsTimer.new() - csv:add_app('sinkv4', { 'input' }, { input='Decapsulation' }) - csv:add_app('sinkv6', { 'input' }, { input='Encapsulation' }) + local csv = csv_stats.CSVStatsTimer:new(opts.filename, opts.hydra) + csv:add_app('sinkv4', { 'input' }, { input=opts.hydra and 'decap' or 'Decap.' }) + csv:add_app('sinkv6', { 'input' }, { input=opts.hydra and 'encap' or 'Encap.' }) csv:activate() app.busywait = true diff --git a/src/program/lwaftr/csv_stats.lua b/src/program/lwaftr/csv_stats.lua index 778537cc92..170522d194 100644 --- a/src/program/lwaftr/csv_stats.lua +++ b/src/program/lwaftr/csv_stats.lua @@ -8,9 +8,29 @@ CSVStatsTimer = {} -- A timer that monitors packet rate and bit rate on a set of links, -- printing the data out to a CSV file. -function CSVStatsTimer:new(filename) +-- +-- Standard mode example (default): +-- +-- Time (s),decap MPPS,decap Gbps,encap MPPS,encap Gbps +-- 0.999197,3.362784,13.720160,3.362886,15.872824 +-- 1.999181,3.407569,13.902880,3.407569,16.083724 +-- +-- Hydra mode example: +-- +-- benchmark,snabb,id,score,unit +-- decap_mpps,master,1,3.362784,mpps +-- decap_gbps,master,1,13.720160,gbps +-- encap_mpps,master,1,3.362886,mpps +-- encap_gbps,master,1,15.872824,gbps +-- decap_mpps,master,2,3.407569,mpps +-- decap_gbps,master,2,13.902880,gbps +-- encap_mpps,master,2,3.407569,mpps +-- encap_gbps,master,2,16.083724,gbps +-- +function CSVStatsTimer:new(filename, hydra_mode) local file = filename and io.open(filename, "w") or io.stdout - local o = { header='Time (s)', link_data={}, file=file, period=1 } + local o = { hydra_mode=hydra_mode, link_data={}, file=file, period=1, + header = hydra_mode and "benchmark,snabb,id,score,unit" or "Time (s)" } return setmetatable(o, {__index = CSVStatsTimer}) end @@ -20,10 +40,13 @@ end -- human-readable names, for the column headers. function CSVStatsTimer:add_app(id, links, link_names) local function add_link_data(name, link) - local pretty_name = (link_names and link_names[name]) or name - local h = (',%s MPPS,%s Gbps'):format(pretty_name, pretty_name) - self.header = self.header..h + local link_name = link_names and link_names[name] or name + if not self.hydra_mode then + local h = (',%s MPPS,%s Gbps'):format(link_name, link_name) + self.header = self.header..h + end local data = { + link_name = link_name, txpackets = link.stats.txpackets, txbytes = link.stats.txbytes, } @@ -65,17 +88,30 @@ function CSVStatsTimer:tick() local elapsed = engine.now() - self.start local dt = elapsed - self.prev_elapsed self.prev_elapsed = elapsed - self.file:write(('%f'):format(elapsed)) + if not self.hydra_mode then + self.file:write(('%f'):format(elapsed)) + end for _,data in ipairs(self.link_data) do local txpackets = counter.read(data.txpackets) local txbytes = counter.read(data.txbytes) - local diff_txpackets = tonumber(txpackets - data.prev_txpackets) - local diff_txbytes = tonumber(txbytes - data.prev_txbytes) + local diff_txpackets = tonumber(txpackets - data.prev_txpackets) / dt / 1e6 + local diff_txbytes = tonumber(txbytes - data.prev_txbytes) * 8 / dt / 1e9 data.prev_txpackets = txpackets data.prev_txbytes = txbytes - self.file:write((',%f'):format(diff_txpackets / dt / 1e6)) - self.file:write((',%f'):format(diff_txbytes * 8 / dt / 1e9)) + if self.hydra_mode then + -- TODO: put the actual branch name in place of "master". + -- Hydra reports seem to prefer integers for the X (time) axis. + self.file:write(('%s_mpps,master,%.f,%f,mpps\n'):format( + data.link_name,elapsed,diff_txpackets)) + self.file:write(('%s_gbps,master,%.f,%f,gbps\n'):format( + data.link_name,elapsed,diff_txbytes)) + else + self.file:write((',%f'):format(diff_txpackets)) + self.file:write((',%f'):format(diff_txbytes)) + end + end + if not self.hydra_mode then + self.file:write('\n') end - self.file:write('\n') self.file:flush() end From 69825fe93153e32b3e45eb5aa34421da408b2a74 Mon Sep 17 00:00:00 2001 From: Nicola Larosa Date: Tue, 4 Oct 2016 17:52:47 +0200 Subject: [PATCH 274/340] Update the 'encapsulate queue to b4' diagram (#474) --- .../lwaftr/doc/images/encaps-queue-to-b4.dia | Bin 5662 -> 5749 bytes .../lwaftr/doc/images/encaps-queue-to-b4.png | Bin 77172 -> 82021 bytes 2 files changed, 0 insertions(+), 0 deletions(-) diff --git a/src/program/lwaftr/doc/images/encaps-queue-to-b4.dia b/src/program/lwaftr/doc/images/encaps-queue-to-b4.dia index 17ffb504128503e8ccefe01196051c1123950207..feebdfca6b65fd2ce6eee337f76a5ce9b6d3ac7a 100644 GIT binary patch literal 5749 zcmV-*7K-T~iwFP!000021MOW+bK^LYz57=v+=scyEaDp&O?5|C_x5f@bjMW0)LiDG zpe2^9ZCTV%l&d_4{q2hc<+4Rl9~42#qSFy&muw12LcqgA=F7z2e)@Jl>pjHja+=KF zUy~rb?#1&_GM>&S@2~&)`L`Q={nL+Ee;ZGuzuJG3G`jEEcg&aY>izXymM#AJ?%mg~ zUxV4>GRl%Pm`zu~GJf}e(QFpIvlqR){_(2Ud)dG^$|CsP`nOS*rPJG07Wd}Sef<9V 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