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Date:	Wed, 08 Aug 2007 11:14:01 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, andy@...mcat.com,
	linux-wireless@...r.kernel.org
Subject: Re: [RFC] allow device to stop packet mirror behaviour

On Tue, 2007-08-07 at 18:06 -0700, David Miller wrote:
> From: Johannes Berg <johannes@...solutions.net>
> Date: Tue, 07 Aug 2007 10:25:55 +0200
> 
> > The only way to solve this problem therefore seems to be to suppress the
> > mirroring out of the packet by dev_queue_xmit_nit(). The patch below
> > does that by way of adding a new netdev flag.
> 
> Multicast packets also get looped back in a similar manner in the ipv4
> code.  These will also be seen twice due to this issue.

I don't think these other places are of any interest because of the
radiotap+802.11 framing on the devices where it is relevant to us; you
can't actually add an IP route to a monitor interface as far as I can
tell.

johannes

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