netdev - Re: [PATCH net-next] bpf: expose prog id for cls_bpf and act

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Message-ID: <20170621210901.xzzmpbjuboii7v7i@kafai-mba.local>
Date:   Wed, 21 Jun 2017 14:09:10 -0700
From:   Martin KaFai Lau <kafai@...com>
To:     Daniel Borkmann <daniel@...earbox.net>
CC:     <davem@...emloft.net>, <john.fastabend@...il.com>,
        <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] bpf: expose prog id for cls_bpf and act_bpf

On Wed, Jun 21, 2017 at 08:16:11PM +0200, Daniel Borkmann wrote:
> In order to be able to retrieve the attached programs from cls_bpf
> and act_bpf, we need to expose the prog ids via netlink so that
> an application can later on get an fd based on the id through the
> BPF_PROG_GET_FD_BY_ID command, and dump related prog info via
> BPF_OBJ_GET_INFO_BY_FD command for bpf(2).
Acked-by: Martin KaFai Lau <kafai@...com>