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

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Message-ID: <1439821742.7258.22.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Mon, 17 Aug 2015 07:29:02 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Willem de Bruijn <willemb@...gle.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
	dborkman@...hat.com, ast@...mgrid.com
Subject: Re: [PATCH net-next 1/4] packet: add BPF fanout mode

On Fri, 2015-08-14 at 11:50 -0400, Willem de Bruijn wrote:
> From: Willem de Bruijn <willemb@...gle.com>
> 
> Add a fanout mode that accepts a 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_BPF is the
> only user so far.
> 
> Signed-off-by: Willem de Bruijn <willemb@...gle.com

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


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