From: Feng Zhou zhoufeng.zf@bytedance.com
At cg_skb hook point, can get classid for v1 or v2, allowing users to do more functions such as acl.
Signed-off-by: Feng Zhou zhoufeng.zf@bytedance.com --- net/core/filter.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/net/core/filter.c b/net/core/filter.c index e4a4454df5f9..a4aa39b6dbba 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -8115,6 +8115,10 @@ cg_skb_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) return &bpf_get_listener_sock_proto; case BPF_FUNC_skb_ecn_set_ce: return &bpf_skb_ecn_set_ce_proto; +#endif +#ifdef CONFIG_CGROUP_NET_CLASSID + case BPF_FUNC_skb_cgroup_classid: + return &bpf_skb_cgroup_classid_proto; #endif default: return sk_filter_func_proto(func_id, prog);