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[bpf-next,v3,1/3] x86/cfi,bpf: Add a stub function for get_info of struct tcp_congestion_ops.

Message ID 20240217034734.1869771-1-thinker.li@gmail.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series [bpf-next,v3,1/3] x86/cfi,bpf: Add a stub function for get_info of struct tcp_congestion_ops. | expand

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Commit Message

Kui-Feng Lee Feb. 17, 2024, 3:47 a.m. UTC 
From: Kui-Feng Lee <thinker.li@gmail.com>

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 <thinker.li@gmail.com>
---
 net/ipv4/bpf_tcp_ca.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

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,