netdev - Re: [PATCH v3 2/4] packet: Add fanout support.

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Date:	Wed, 06 Jul 2011 06:48:58 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, victor@...iniac.net
Subject: Re: [PATCH v3 2/4] packet: Add fanout support.

Le mardi 05 juillet 2011 à 20:39 -0700, David Miller a écrit :
> Fanouts allow packet capturing to be demuxed to a set of AF_PACKET
> sockets.  Two fanout policies are implemented:
> 
> 1) Hashing based upon skb->rxhash
> 
> 2) Pure round-robin
> 
> An AF_PACKET socket must be fully bound before it tries to add itself
> to a fanout.  All AF_PACKET sockets trying to join the same fanout
> must all have the same bind settings.
> 
> Fanouts are identified (within a network namespace) by a 16-bit ID.
> The first socket to try to add itself to a fanout with a particular
> ID, creates that fanout.  When the last socket leaves the fanout
> (which happens only when the socket is closed), that fanout is
> destroyed.
> 
> Signed-off-by: David S. Miller <davem@...emloft.net>

Reviewed-by: Eric Dumazet <eric.dumazet@...il.com>


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