From: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
To: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>
Cc: Martin KaFai Lau <kafai@fb.com>,
Benjamin Herrenschmidt <benh@amazon.com>,
Kuniyuki Iwashima <kuniyu@amazon.co.jp>,
Kuniyuki Iwashima <kuni1840@gmail.com>, <bpf@vger.kernel.org>,
<netdev@vger.kernel.org>
Subject: [PATCH bpf-next 2/6] bpf: Add SO_RCVBUF/SO_SNDBUF in _bpf_getsockopt().
Date: Tue, 4 Jan 2022 10:31:49 +0900 [thread overview]
Message-ID: <20220104013153.97906-3-kuniyu@amazon.co.jp> (raw)
In-Reply-To: <20220104013153.97906-1-kuniyu@amazon.co.jp>
This patch exposes SO_RCVBUF/SO_SNDBUF through bpf_getsockopt().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
---
net/core/filter.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/core/filter.c b/net/core/filter.c
index 368fe28c8dc6..cac2be559ab0 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -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;
--
2.30.2
next prev parent reply other threads:[~2022-01-04 1:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-04 1:31 [PATCH bpf-next 0/6] bpf: Batching iter for AF_UNIX sockets Kuniyuki Iwashima
2022-01-04 1:31 ` [PATCH bpf-next 1/6] bpf: Fix SO_RCVBUF/SO_SNDBUF handling in _bpf_setsockopt() Kuniyuki Iwashima
2022-01-04 1:31 ` Kuniyuki Iwashima [this message]
2022-01-04 1:31 ` [PATCH bpf-next 3/6] bpf: af_unix: Use batching algorithm in bpf unix iter Kuniyuki Iwashima
2022-01-05 22:22 ` Alexei Starovoitov
2022-01-05 23:06 ` Kuniyuki Iwashima
2022-01-04 1:31 ` [PATCH bpf-next 4/6] bpf: Support bpf_(get|set)sockopt() " Kuniyuki Iwashima
2022-01-04 1:31 ` [PATCH bpf-next 5/6] selftest/bpf: Test batching and bpf_(get|set)sockopt " Kuniyuki Iwashima
2022-01-04 1:31 ` [PATCH bpf-next 6/6] selftest/bpf: Fix a stale comment Kuniyuki Iwashima
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