netdev - Re: [PATCH v4 5/5] flow_dissector: Parse batman-adv unicast headers

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Message-ID: <CAF=yD-Kcdh2q6JJ9kVC8=mbkwaxE0VVrs+DD187j5NzOsayiAw@mail.gmail.com>
Date:   Thu, 21 Dec 2017 11:58:44 -0500
From:   Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     Sven Eckelmann <sven.eckelmann@...nmesh.com>,
        b.a.t.m.a.n@...ts.open-mesh.org,
        Network Development <netdev@...r.kernel.org>,
        Tom Herbert <tom@...bertland.com>,
        Jiri Pirko <jiri@...lanox.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH v4 5/5] flow_dissector: Parse batman-adv unicast headers

On Thu, Dec 21, 2017 at 7:24 AM, Jiri Pirko <jiri@...nulli.us> wrote:
> Thu, Dec 21, 2017 at 10:17:42AM CET, sven.eckelmann@...nmesh.com wrote:
>>The batman-adv unicast packets contain a full layer 2 frame in encapsulated
>>form. The flow dissector must therefore be able to parse the batman-adv
>>unicast header to reach the layer 2+3 information.
>>
>>  +--------------------+
>>  | ip(v6)hdr          |
>>  +--------------------+
>>  | inner ethhdr       |
>>  +--------------------+
>>  | batadv unicast hdr |
>>  +--------------------+
>>  | outer ethhdr       |
>>  +--------------------+
>>
>>The obtained information from the upper layer can then be used by RPS to
>>schedule the processing on separate cores. This allows better distribution
>>of multiple flows from the same neighbor to different cores.
>>
>>Signed-off-by: Sven Eckelmann <sven.eckelmann@...nmesh.com>
>
> Reviewed-by: Jiri Pirko <jiri@...lanox.com>

Acked-by: Willem de Bruijn <willemb@...gle.com>