[PATCH v1 bpf-next/net 4/8] bpftool: Support BPF_CGROUP_INET_SOCK_ACCEPT.
From: Kuniyuki Iwashima <kuniyu@google.com>
Date: 2025-08-22 22:18:56
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [tooling] (bpftool), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Quentin Monnet, Linus Torvalds
Let's support the new attach_type for cgroup prog to
hook in __inet_accept().
Now we can specify BPF_CGROUP_INET_SOCK_ACCEPT as
cgroup_inet_sock_accept:
# bpftool cgroup attach /sys/fs/cgroup/test \
cgroup_inet_sock_accept pinned /sys/fs/bpf/sk_memcg_accept
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
---
tools/bpf/bpftool/cgroup.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/bpf/bpftool/cgroup.c b/tools/bpf/bpftool/cgroup.c
index 944ebe21a216..593dabcf1578 100644
--- a/tools/bpf/bpftool/cgroup.c
+++ b/tools/bpf/bpftool/cgroup.c@@ -48,7 +48,8 @@ static const int cgroup_attach_types[] = { BPF_CGROUP_SYSCTL, BPF_CGROUP_GETSOCKOPT, BPF_CGROUP_SETSOCKOPT, - BPF_LSM_CGROUP + BPF_LSM_CGROUP, + BPF_CGROUP_INET_SOCK_ACCEPT, }; #define HELP_SPEC_ATTACH_FLAGS \
@@ -68,7 +69,8 @@ static const int cgroup_attach_types[] = { " cgroup_unix_sendmsg | cgroup_udp4_recvmsg |\n" \ " cgroup_udp6_recvmsg | cgroup_unix_recvmsg |\n" \ " cgroup_sysctl | cgroup_getsockopt |\n" \ - " cgroup_setsockopt | cgroup_inet_sock_release }" + " cgroup_setsockopt | cgroup_inet_sock_release |\n" \ + " cgroup_inet_sock_accept }" static unsigned int query_flags; static struct btf *btf_vmlinux;
--
2.51.0.rc2.233.g662b1ed5c5-goog