>
> I'll probably just push the patches to a github repository until picotcp lands.
>
Patches can be found at
https://github.com/cleitner/barebox-mcast/tree/multicast
Commits
* 8e99783f775ef8013ea9f5e5f9fa881002cd21a2
* f5f78253ce2e48affbb0b3bf9726b3b6e684b509
* 0dd506b341a61855b9b526c6c0de3da2d4c4e0a9
are small cleanups to the network code and could be merged even if multicast support is deemed unnecessary.
Multicast connections are used like any other UDP connection:
con = net_udp_new(string_to_ip("224.0.0.123"), 12345, handler, priv);
net_udp_bind(con, 12345);
I only patched the drivers smc91111 (tested) and smc911x (untested) to receive multicast packets. Other drivers are likely just as easy to patch.
Have fun,
Colin
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