netdev - [PATCH v1 bpf-next/net 3/8] libbpf: Support BPF_CGROUP_INET_SOCK

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Message-ID: <20250822221846.744252-4-kuniyu@google.com>
Date: Fri, 22 Aug 2025 22:17:58 +0000
From: Kuniyuki Iwashima <kuniyu@...gle.com>
To: Alexei Starovoitov <ast@...nel.org>, Andrii Nakryiko <andrii@...nel.org>, 
	Daniel Borkmann <daniel@...earbox.net>, Martin KaFai Lau <martin.lau@...ux.dev>
Cc: John Fastabend <john.fastabend@...il.com>, Stanislav Fomichev <sdf@...ichev.me>, 
	Johannes Weiner <hannes@...xchg.org>, Michal Hocko <mhocko@...nel.org>, 
	Roman Gushchin <roman.gushchin@...ux.dev>, Shakeel Butt <shakeel.butt@...ux.dev>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Neal Cardwell <ncardwell@...gle.com>, Willem de Bruijn <willemb@...gle.com>, 
	Mina Almasry <almasrymina@...gle.com>, Kuniyuki Iwashima <kuniyu@...gle.com>, 
	Kuniyuki Iwashima <kuni1840@...il.com>, bpf@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH v1 bpf-next/net 3/8] libbpf: Support BPF_CGROUP_INET_SOCK_ACCEPT.

Let's support the new attach_type for cgroup prog to
hook in __inet_accept().

Signed-off-by: Kuniyuki Iwashima <kuniyu@...gle.com>
---
 tools/lib/bpf/libbpf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 8f5a81b672e1..c1b28a3e6d6f 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -81,6 +81,7 @@ static const char * const attach_type_name[] = {
 	[BPF_CGROUP_INET_INGRESS]	= "cgroup_inet_ingress",
 	[BPF_CGROUP_INET_EGRESS]	= "cgroup_inet_egress",
 	[BPF_CGROUP_INET_SOCK_CREATE]	= "cgroup_inet_sock_create",
+	[BPF_CGROUP_INET_SOCK_ACCEPT]	= "cgroup_inet_sock_accept",
 	[BPF_CGROUP_INET_SOCK_RELEASE]	= "cgroup_inet_sock_release",
 	[BPF_CGROUP_SOCK_OPS]		= "cgroup_sock_ops",
 	[BPF_CGROUP_DEVICE]		= "cgroup_device",
@@ -9584,6 +9585,7 @@ static const struct bpf_sec_def section_defs[] = {
 	SEC_DEF("cgroup_skb/egress",	CGROUP_SKB, BPF_CGROUP_INET_EGRESS, SEC_ATTACHABLE_OPT),
 	SEC_DEF("cgroup/skb",		CGROUP_SKB, 0, SEC_NONE),
 	SEC_DEF("cgroup/sock_create",	CGROUP_SOCK, BPF_CGROUP_INET_SOCK_CREATE, SEC_ATTACHABLE),
+	SEC_DEF("cgroup/sock_accept",	CGROUP_SOCK, BPF_CGROUP_INET_SOCK_ACCEPT, SEC_ATTACHABLE),
 	SEC_DEF("cgroup/sock_release",	CGROUP_SOCK, BPF_CGROUP_INET_SOCK_RELEASE, SEC_ATTACHABLE),
 	SEC_DEF("cgroup/sock",		CGROUP_SOCK, BPF_CGROUP_INET_SOCK_CREATE, SEC_ATTACHABLE_OPT),
 	SEC_DEF("cgroup/post_bind4",	CGROUP_SOCK, BPF_CGROUP_INET4_POST_BIND, SEC_ATTACHABLE),
-- 
2.51.0.rc2.233.g662b1ed5c5-goog