From: Daniel Borkmann <daniel@iogearbox.net>
To: Chenbo Feng <chenbofeng.kernel@gmail.com>, netdev@vger.kernel.org
Cc: Lorenzo Colitti <lorenzo@google.com>,
Willem de Bruijn <willemb@google.com>,
Chenbo Feng <fengc@google.com>
Subject: Re: [PATCH net-next v2] Add uid and cookie bpf helper to cg_skb_func_proto
Date: Sat, 15 Apr 2017 13:30:11 +0200 [thread overview]
Message-ID: <58F20443.4040405@iogearbox.net> (raw)
In-Reply-To: <1492219526-2945-1-git-send-email-chenbofeng.kernel@gmail.com>
On 04/15/2017 03:25 AM, Chenbo Feng wrote:
> From: Chenbo Feng <fengc@google.com>
>
> BPF helper functions get_socket_cookie and get_socket_uid can be
> used for network traffic classifications, among others. Expose
> them also to programs of type BPF_PROG_TYPE_CGROUP_SKB. As of
> commit 8f917bba0042 ("bpf: pass sk to helper functions") the
> required skb->sk function is available at both cgroup bpf ingress
> and egress hooks. With these two new helper, cg_skb_func_proto is
> effectively the same as sk_filter_func_proto.
>
> Change since V1:
> Instead of add the helper to cg_skb_func_proto, redirect the
> cg_skb_func_proto to sk_filter_func_proto since all helper function
> in sk_filter_func_proto are applicable to cg_skb_func_proto now.
>
> Signed-off-by: Chenbo Feng <fengc@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
next prev parent reply other threads:[~2017-04-15 11:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-15 1:25 [PATCH net-next v2] Add uid and cookie bpf helper to cg_skb_func_proto Chenbo Feng
2017-04-15 1:41 ` Alexei Starovoitov
2017-04-15 11:30 ` Daniel Borkmann [this message]
2017-04-17 19:22 ` David Miller
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