netdev - Re: [PATCH net-next v6 1/3] Add a helper function to get socket cookie in eBPF

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Date:   Mon, 20 Mar 2017 22:40:34 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Chenbo Feng <chenbofeng.kernel@...il.com>
Cc:     netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
        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 v6 1/3] Add a helper function to get socket
 cookie in eBPF

On Mon, Mar 20, 2017 at 09:08:55PM -0700, 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 <fengc@...gle.com>

Acked-by: Alexei Starovoitov <ast@...nel.org>

please carry over acks into respins on the patch if patch didn't change.
Thanks