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From: Yonghong Song <yhs@fb.com>
To: Andrey Ignatov <rdna@fb.com>, <bpf@vger.kernel.org>
Cc: <ast@kernel.org>, <daniel@iogearbox.net>, <kernel-team@fb.com>
Subject: Re: [PATCH v2 bpf-next 1/5] bpf: Allow sk lookup helpers in cgroup skb
Date: Thu, 14 May 2020 08:06:06 -0700	[thread overview]
Message-ID: <29715891-2ec6-a5bd-ab48-a1dbb1666045@fb.com> (raw)
In-Reply-To: <9f01cc9fd918988613c6d34913cf52fbe7369515.1589405669.git.rdna@fb.com>



On 5/13/20 2:38 PM, Andrey Ignatov wrote:
> Currently sk lookup helpers are allowed in tc, xdp, sk skb, and cgroup
> sock_addr programs.
> 
> But they would be useful in cgroup skb as well so that for example
> cgroup skb ingress program can lookup a peer socket a packet comes from
> on same host and make a decision whether to allow or deny this packet
> based on the properties of that socket, e.g. cgroup that peer socket
> belongs to.
> 
> Allow the following sk lookup helpers in cgroup skb:
> * bpf_sk_lookup_tcp;
> * bpf_sk_lookup_udp;
> * bpf_sk_release;
> * bpf_skc_lookup_tcp.
> 
> Signed-off-by: Andrey Ignatov <rdna@fb.com>
Acked-by: Yonghong Song <yhs@fb.com>

  reply	other threads:[~2020-05-14 15:06 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-13 21:38 [PATCH v2 bpf-next 0/5] bpf: sk lookup, cgroup id helpers in cgroup skb Andrey Ignatov
2020-05-13 21:38 ` [PATCH v2 bpf-next 1/5] bpf: Allow sk lookup " Andrey Ignatov
2020-05-14 15:06   ` Yonghong Song [this message]
2020-05-13 21:38 ` [PATCH v2 bpf-next 2/5] bpf: Allow skb_ancestor_cgroup_id helper " Andrey Ignatov
2020-05-14 15:06   ` Yonghong Song
2020-05-13 21:38 ` [PATCH v2 bpf-next 3/5] bpf: Introduce bpf_sk_{,ancestor_}cgroup_id helpers Andrey Ignatov
2020-05-14 15:16   ` Yonghong Song
2020-05-14 16:55     ` Andrey Ignatov
2020-05-14 17:24       ` Yonghong Song
2020-05-14 18:01         ` Andrey Ignatov
2020-05-14 18:15           ` Yonghong Song
2020-05-13 21:38 ` [PATCH v2 bpf-next 4/5] selftests/bpf: Add connect_fd_to_fd, connect_wait net helpers Andrey Ignatov
2020-05-14 15:56   ` Yonghong Song
2020-05-14 17:42     ` Andrey Ignatov
2020-05-13 21:38 ` [PATCH v2 bpf-next 5/5] selftests/bpf: Test for sk helpers in cgroup skb Andrey Ignatov
2020-05-14 16:07   ` Yonghong Song
2020-05-14 17:46     ` Andrey Ignatov

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