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lldp.h
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/*
* cdpr - Cisco Discovery Protocol Reporter
* Copyright (c) 2015 Tim Dorssers
*
* This program will show you which Cisco device your machine is
* connected to based on CDP packets received.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef LLDP_H
#define LLDP_H
/* TLV Types */
#define END_OF_LLDPDU_TLV_TYPE 0x00 /* Mandatory */
#define CHASSIS_ID_TLV_TYPE 0x01 /* Mandatory */
#define PORT_ID_TLV_TYPE 0x02 /* Mandatory */
#define TIME_TO_LIVE_TLV_TYPE 0x03 /* Mandatory */
#define PORT_DESCRIPTION_TLV_TYPE 0x04
#define SYSTEM_NAME_TLV_TYPE 0x05
#define SYSTEM_DESCRIPTION_TLV_TYPE 0x06
#define SYSTEM_CAPABILITIES_TLV_TYPE 0x07
#define MANAGEMENT_ADDR_TLV_TYPE 0x08
#define ORGANIZATION_SPECIFIC_TLV_TYPE 0x7F
/* Masks */
#define TLV_TYPE_MASK 0xFE00
#define TLV_TYPE(value) (((value) & TLV_TYPE_MASK) >> 9)
#define TLV_INFO_LEN_MASK 0x01FF
#define TLV_INFO_LEN(value) ((value) & TLV_INFO_LEN_MASK)
#define AFNUM_INET 1 /* IP (IP version 4) */
#define AFNUM_INET6 2 /* IP6 (IP version 6) */
#define OUI_CISCO_2 0x000142 /* Cisco */
#define OUI_DCBX 0x001B21 /* Data Center Bridging Capabilities Exchange Protocol */
#define OUI_IEEE_802_3 0x00120F /* IEEE 802.3 */
#define OUI_MEDIA_ENDPOINT 0x0012BB /* Media (TIA TR-41 Committee) */
#define OUI_IEEE_802_1 0x0080C2 /* IEEE 802.1 Committee */
#define OUI_IEEE_802_1QBG 0x001B3F /* IEEE 802.1 Qbg */
/*
* Define constants for the LLDP 802.3 MAC/PHY Configuration/Status
* PMD Auto-Negotiation Advertised Capability field.
*/
#define AUTONEG_OTHER 0x8000
#define AUTONEG_10BASE_T 0x4000
#define AUTONEG_10BASET_FD 0x2000
#define AUTONEG_100BASE_T4 0x1000
#define AUTONEG_100BASE_TX 0x0800
#define AUTONEG_100BASE_TXFD 0x0400
#define AUTONEG_100BASE_T2 0x0200
#define AUTONEG_100BASE_T2FD 0x0100
#define AUTONEG_FDX_PAUSE 0x0080
#define AUTONEG_FDX_APAUSE 0x0040
#define AUTONEG_FDX_SPAUSE 0x0020
#define AUTONEG_FDX_BPAUSE 0x0010
#define AUTONEG_1000BASE_X 0x0008
#define AUTONEG_1000BASE_XFD 0x0004
#define AUTONEG_1000BASE_T 0x0002
#define AUTONEG_1000BASE_TFD 0x0001
/* System Capabilities */
#define SYSTEM_CAPABILITY_OTHER 0x0001
#define SYSTEM_CAPABILITY_REPEATER 0x0002
#define SYSTEM_CAPABILITY_BRIDGE 0x0004
#define SYSTEM_CAPABILITY_WLAN 0x0008
#define SYSTEM_CAPABILITY_ROUTER 0x0010
#define SYSTEM_CAPABILITY_TELEPHONE 0x0020
#define SYSTEM_CAPABILITY_DOCSIS 0x0040
#define SYSTEM_CAPABILITY_STATION 0x0080
/* Media Capabilities */
#define MEDIA_CAPABILITY_LLDP 0x0001
#define MEDIA_CAPABILITY_NETWORK_POLICY 0x0002
#define MEDIA_CAPABILITY_LOCATION_ID 0x0004
#define MEDIA_CAPABILITY_MDI_PSE 0x0008
#define MEDIA_CAPABILITY_MDI_PD 0x0010
#define MEDIA_CAPABILITY_INVENTORY 0x0020
u_int8_t print_location_id(const u_char *value, u_int32_t tlvLen);
void print_lldp_packet(const u_char *p, unsigned int plen, int verbose, bool *more);
#endif