netdev - Re: [PATCH v1.1] af_packet: don't emit packet on orig fanout group

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Message-Id: <20120820.023743.1739374734021977895.davem@davemloft.net>
Date:	Mon, 20 Aug 2012 02:37:43 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric@...it.org
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v1.1] af_packet: don't emit packet on orig fanout group

From: Eric Leblond <eric@...it.org>
Date: Fri, 17 Aug 2012 10:02:58 +0200

> If a packet is emitted on one socket in one group of fanout sockets,
> it is transmitted again. It is thus read again on one of the sockets
> of the fanout group. This result in a loop for software which
> generate packets when receiving one.
> This retransmission is not the intended behavior: a fanout group
> must behave like a single socket. The packet should not be
> transmitted on a socket if it originates from a socket belonging
> to the same fanout group.
> 
> This patch fixes the issue by changing the transmission check to
> take fanout group info account.
> 
> Reported-by: Aleksandr Kotov <a1k@...l.ru>
> Signed-off-by: Eric Leblond <eric@...it.org>

Applied, thanks a lot Eric.
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