linux-kernel - Re: [PATCH 2.6.25] cxgb3: Handle ARP completions that mark neighbors stale.

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Message-ID: <47B07335.5090709@garzik.org>
Date:	Mon, 11 Feb 2008 11:09:25 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Steve Wise <swise@...ngridcomputing.com>
CC:	divy@...lsio.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, general@...ts.openfabrics.org
Subject: Re: [PATCH 2.6.25] cxgb3: Handle ARP completions that mark neighbors
 stale.

Steve Wise wrote:
> cxgb3: Handle ARP completions that mark neighbors stale.
> 
> When ARP completes due to a request rather than a reply the neighbor is
> marked NUD_STALE instead of reachable (see arp_process()).  The handler
> for the resulting netevent needs to check also for NUD_STALE.
> 
> Failure to use the arp entry can cause RDMA connection failures.
> 
> Signed-off-by: Steve Wise <swise@...ngridcomputing.com>

applied


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