linux-kernel - Re: [PATCH 7/7] cxgb3

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Message-Id: <1172585835.11870.13.camel@stevo-desktop>
Date:	Tue, 27 Feb 2007 08:17:15 -0600
From:	Steve Wise <swise@...ngridcomputing.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	divy@...lsio.com, jeff@...zik.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] cxgb3 - Add SW LRO support

On Mon, 2007-02-26 at 05:13 +0000, Christoph Hellwig wrote:
> On Sat, Feb 24, 2007 at 04:44:23PM -0800, divy@...lsio.com wrote:
> > From: Divy Le Ray <divy@...lsio.com>
> > 
> > Add all-in-sw lro support.
> 
> Doing this in a LLDD doesn't sound like a good idea.  Have you
> tried doing this in the core networking code instead?

It looks like both Netxen and Neterion drivers already have this.  So I
think for now the LLDD implements LRO.  The stack supports it by virtue
of allowing fragmented skbs that are bigger than the MTU.

Other drivers implementing LRO:

drivers/net/s2io.c
drivers/net/netxen/

Steve.

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