Re: [PATCH bpf-next v8 1/4] bpf: Add update_socket_protocol hook

Hi Geliang,

On 03/08/2023 09:30, Geliang Tang wrote:

Add a hook named update_socket_protocol in __sys_socket(), for bpf progs to attach to and update socket protocol. One user case is to force legacy TCP apps to create and use MPTCP sockets instead of TCP ones.

Define a mod_ret set named bpf_mptcp_fmodret_ids, add the hook update_socket_protocol into this set, and register it in bpf_mptcp_kfunc_init().

Thank you for having looked at that!

Because it is related to MPTCP:

Acked-by: Matthieu Baerts matthieu.baerts@tessares.net

I don't know if your scripts to apply patches support the "Closes" tag but just in case:

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/79

Cheers, Matt