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Support IP_MULTICAST_LOOP socket option #86977

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pdgendt opened this issue Mar 12, 2025 · 7 comments · Fixed by #87167
Closed

Support IP_MULTICAST_LOOP socket option #86977

pdgendt opened this issue Mar 12, 2025 · 7 comments · Fixed by #87167
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@jukkar @rlubos @Abd002
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area: Networking area: Sockets Networking sockets Feature Request A request for a new feature Good first issue Good for a first time contributor to take

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@pdgendt
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pdgendt commented Mar 12, 2025

Is your feature request related to a problem? Please describe.

I'd like to have the option to enable/disable socket multicast loopback, determining whether or not transmitted messages are delivered to the sending host.

Describe the solution you'd like

Similar to how this is provided in linux, a Zephyr implementation.

Describe alternatives you've considered

None

Additional context
@pdgendt pdgendt added area: Sockets Networking sockets Feature Request A request for a new feature Good first issue Good for a first time contributor to take labels Mar 12, 2025
@sayooj-aerlync
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sayooj-aerlync commented Mar 15, 2025 •
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I am looking into this.

@Abd002
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Abd002 commented Mar 15, 2025

iam working on it

@sayooj-aerlync
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Alright @Abd002 👍

@Abd002 Abd002 mentioned this issue Mar 16, 2025
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@jukkar
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jukkar commented Mar 17, 2025

@sayooj-aerlync As you were also interested implementing this, may I suggest you implement support for IPv6 variant of this option IPV6_MULTICAST_LOOP?

@sayooj-aerlync
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@jukkar Sure! I am working on it! I had a chat with @pdgendt in Discord on the same :)

@sayooj-aerlync
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@jukkar @pdgendt I am done with the coding for IPV6_MULTICAST_LOOP. I will rasie the pull request after I complete the tests.

@sayooj-aerlync
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Please find the pull request for IPV6_MULTICAST_LOOP here: #87338
Test logs: https://github.com/sayooj-aerlync/zephyr-unit-test/tree/main/ipv6_mcast_loop_sample_and_log

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@jukkar jukkar

@rlubos rlubos

@Abd002 Abd002

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area: Networking area: Sockets Networking sockets Feature Request A request for a new feature Good first issue Good for a first time contributor to take
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Add support for IP_MULTICAST_LOOP socket option Abd002/zephyr
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@jukkar @pdgendt @rlubos @Abd002 @sayooj-aerlync