netdev - Re: [PATCH net-next v2 1/4] packet: add classic BPF fanout mode

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Message-ID: <55D0186F.7080906@plumgrid.com>
Date:	Sat, 15 Aug 2015 21:58:23 -0700
From:	Alexei Starovoitov <ast@...mgrid.com>
To:	Willem de Bruijn <willemb@...gle.com>, netdev@...r.kernel.org
Cc:	davem@...emloft.net, edumazet@...gle.com, daniel@...earbox.net
Subject: Re: [PATCH net-next v2 1/4] packet: add classic BPF fanout mode

On 8/14/15 7:31 PM, Willem de Bruijn wrote:
> From: Willem de Bruijn<willemb@...gle.com>
>
> Add fanout mode PACKET_FANOUT_CBPF that accepts a classic BPF program
> to select a socket.
>
> This avoids having to keep adding special case fanout modes. One
> example use case is application layer load balancing. The QUIC
> protocol, for instance, encodes a connection ID in UDP payload.
>
> Also add socket option SOL_PACKET/PACKET_FANOUT_DATA that updates data
> associated with the socket group. Fanout mode PACKET_FANOUT_CBPF is the
> only user so far.
>
> Signed-off-by: Willem de Bruijn<willemb@...gle.com>

bpf bits looks good.
Acked-by: Alexei Starovoitov <ast@...mgrid.com>

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