[PATCH bpf-next v3 1/3] x86/cfi,bpf: Add a stub function for get_info of struct tcp_congestion_ops.
From: Thinker Lee <hidden>
Date: 2024-02-17 03:47:37
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Kui-Feng Lee <redacted> struct tcp_congestion_ops is missing a stub function for get_info. This is required for checking the consistency of cfi_stubs of struct_ops. Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Kui-Feng Lee <redacted> --- net/ipv4/bpf_tcp_ca.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/net/ipv4/bpf_tcp_ca.c b/net/ipv4/bpf_tcp_ca.c
index 7f518ea5f4ac..6ab5d9c36416 100644
--- a/net/ipv4/bpf_tcp_ca.c
+++ b/net/ipv4/bpf_tcp_ca.c@@ -321,6 +321,12 @@ static u32 bpf_tcp_ca_sndbuf_expand(struct sock *sk) return 0; } +static size_t bpf_tcp_ca_get_info(struct sock *sk, u32 ext, int *attr, + union tcp_cc_info *info) +{ + return 0; +} + static void __bpf_tcp_ca_init(struct sock *sk) { }
@@ -340,6 +346,7 @@ static struct tcp_congestion_ops __bpf_ops_tcp_congestion_ops = { .cong_control = bpf_tcp_ca_cong_control, .undo_cwnd = bpf_tcp_ca_undo_cwnd, .sndbuf_expand = bpf_tcp_ca_sndbuf_expand, + .get_info = bpf_tcp_ca_get_info, .init = __bpf_tcp_ca_init, .release = __bpf_tcp_ca_release,
--
2.34.1