netdev - Re: [PATCH net-next v2 1/2] Add a helper function to get socket cookie in eBPF

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Date:   Sun, 05 Feb 2017 18:57:44 -0800
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Chenbo Feng <chenbofeng.kernel@...il.com>
Cc:     netdev@...r.kernel.org, Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Lorenzo Colitti <lorenzo@...gle.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Chenbo Feng <fengc@...gle.com>
Subject: Re: [PATCH net-next v2 1/2] Add a helper function to get socket
 cookie in eBPF

On Sun, 2017-02-05 at 18:17 -0800, Chenbo Feng wrote:
> From: Chenbo Feng <fengc@...gle.com>
> 
> Retrieve the socket cookie generated by sock_gen_cookie() from a sk_buff
> with a known socket. Generates a new cookie if one was not yet set.If
> the socket pointer inside sk_buff is NULL, 0 is returned. The helper
> function coud be useful in monitoring per socket networking traffic
> statistics and provide a unique socket identifier per namespace.
> 
> Signed-off-by: Chenbo Feng <chenbofeng.kernel@...il.com>
> ---

Acked-by: Eric Dumazet <edumazet@...gle.com>