Commit 28479934 authored by Kuniyuki Iwashima's avatar Kuniyuki Iwashima Committed by Alexei Starovoitov
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bpf: Add SO_RCVBUF/SO_SNDBUF in _bpf_getsockopt(). 



This patch exposes SO_RCVBUF/SO_SNDBUF through bpf_getsockopt().

Signed-off-by: default avatarKuniyuki Iwashima <kuniyu@amazon.co.jp>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220104013153.97906-3-kuniyu@amazon.co.jp
parent 04c350b1

net/core/filter.c

+6 −0
Original line number Diff line number Diff line
@@ -4969,6 +4969,12 @@ static int _bpf_getsockopt(struct sock *sk, int level, int optname, 
			goto err_clear;



		switch (optname) {

		case SO_RCVBUF:

			*((int *)optval) = sk->sk_rcvbuf;

			break;

		case SO_SNDBUF:

			*((int *)optval) = sk->sk_sndbuf;

			break;

		case SO_MARK:

			*((int *)optval) = sk->sk_mark;

			break;