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Date:	Thu, 17 Jul 2008 06:58:22 -0400
From:	Neil Horman <nhorman@...driver.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, kuznet@....inr.ac.ru, pekkas@...core.fi,
	jmorris@...ei.org, yoshfuji@...ux-ipv6.org, kaber@...sh.net
Subject: Re: [PATCH] core: add stat to track unresolved discards in neighbor cache

On Wed, Jul 16, 2008 at 08:50:59PM -0700, David Miller wrote:
> From: Neil Horman <nhorman@...driver.com>
> Date: Tue, 15 Jul 2008 13:37:31 -0400
> 
> > in __neigh_event_send, if we have a neighbour entry which is in NUD_INCOMPLETE
> > state, we enqueue any outbound frames to that neighbour to the neighbours
> > arp_queue, which is default capped to a length of 3 skbs.  If that queue exceeds
> > its set length, it will drop an skb on the queue to enqueue the newly arrived
> > skb.  This results in a drop for which we have no statistics incremented.  This
> > patch adds an unresolved_discards stat to /proc/net/stat/ndisc_cache to track
> > these lost frames.
> > 
> > Signed-off-by: Neil Horman <nhorman@...driver.com>
> 
> Applied, thanks a lot Neil.
Thank you Dave.
Neil

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