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[1/2] ipv4, bpf: Introduced to support the ULP to get or set sockets

Message ID 20250127090724.3168791-2-zhangmingyi5@huawei.com (mailing list archive)
State New
Delegated to: BPF
Headers show
Series ipv4, bpf: Introduced to support the ULP to get or set sockets | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 7 maintainers not CCed: edumazet@google.com yonghong.song@linux.dev horms@kernel.org kuba@kernel.org eddyz87@gmail.com netdev@vger.kernel.org pabeni@redhat.com
netdev/build_clang success Errors and warnings before: 40 this patch: 40
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
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netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 7 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
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netdev/source_inline success Was 0 now: 0
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Commit Message

zhangmingyi Jan. 27, 2025, 9:07 a.m. UTC 
Note that tcp_getsockopt and tcp_setsockopt support TCP_ULP, while
bpf_getsockopt and bpf_setsockopt do not support TCP_ULP.
I'm not sure why there is such a difference, but I noticed that
tcp_setsockopt is called in bpf_setsockopt.I think we can add the
handling of this case.

Signed-off-by: zhangmingyi <zhangmingyi5@huawei.com>
---
 net/core/filter.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/net/core/filter.c b/net/core/filter.c
index 713d6f454df3..bdb5c43d6fb0 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -5380,6 +5380,7 @@  static int sol_tcp_sockopt(struct sock *sk, int optname,
 	case TCP_CONGESTION:
 		return sol_tcp_sockopt_congestion(sk, optval, optlen, getopt);
 	case TCP_SAVED_SYN:
+	case TCP_ULP:
 		if (*optlen < 1)
 			return -EINVAL;
 		break;