[ewg] [Fwd: Re: [PATCH 2.6.25] cxgb3: Handle ARP completions that mark neighbors stale.]

Steve Wise swise at opengridcomputing.com
Mon Feb 11 09:09:25 PST 2008


Vlad, please pull this fix into ofed-1.3.  This resolves bug 890.

Pull from:

git://git.openfabrics.org/~swise/ofed-1.3 ofed_kernel

Thanks,

Steve.



-------- Original Message --------
Subject: Re: [PATCH 2.6.25] cxgb3: Handle ARP completions that mark 
neighbors stale.
Date: Mon, 11 Feb 2008 11:09:25 -0500
From: Jeff Garzik <jeff at garzik.org>
To: Steve Wise <swise at opengridcomputing.com>
CC: divy at chelsio.com, netdev at vger.kernel.org, 
linux-kernel at vger.kernel.org, general at lists.openfabrics.org
References: <20080206180519.4680.34741.stgit at dell3.ogc.int>

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 at opengridcomputing.com>

applied




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