diff mbox series

[bpf-next,2/6] bpf: Add SO_RCVBUF/SO_SNDBUF in _bpf_getsockopt().

Message ID 20220104013153.97906-3-kuniyu@amazon.co.jp (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series bpf: Batching iter for AF_UNIX sockets. | expand

Checks

Context Check Description
bpf/vmtest-bpf-next-PR success PR summary
netdev/tree_selection success Clearly marked for bpf-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 27 this patch: 27
netdev/cc_maintainers warning 6 maintainers not CCed: kuba@kernel.org kpsingh@kernel.org john.fastabend@gmail.com songliubraving@fb.com yhs@fb.com davem@davemloft.net
netdev/build_clang success Errors and warnings before: 20 this patch: 20
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 29 this patch: 29
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 12 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
bpf/vmtest-bpf-next success VM_Test

Commit Message

Iwashima, Kuniyuki Jan. 4, 2022, 1:31 a.m. UTC 
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 mbox series

Patch

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;