netdev - Re: sfc: Replace LRO with GRO

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Date:	Mon, 19 Jan 2009 14:40:06 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	David Miller <davem@...emloft.net>
Cc:	herbert@...dor.apana.org.au, netdev@...r.kernel.org
Subject: Re: sfc: Replace LRO with GRO

On Sun, 2009-01-18 at 21:50 -0800, David Miller wrote:
> From: Herbert Xu <herbert@...dor.apana.org.au>
> Date: Thu, 15 Jan 2009 15:24:22 +1100
> 
> > sfc: Replace LRO with GRO
> > 
> > This patch makes sfc invoke the GRO hooks instead of LRO.  As
> > GRO has a compatible external interface to LRO this is a very
> > straightforward replacement.
> > 
> > Everything should appear identical to the user except that the
> > offload is now controlled by the GRO ethtool option instead of
> > LRO.  I've kept the lro module parameter as is since that's for
> > compatibility only.
> > 
> > I have eliminated efx_rx_mk_skb as the GRO layer can take care
> > of all packets regardless of whether GRO is enabled or not.
> > 
> > So the only case where we don't call GRO is if the packet checksum
> > is absent.  This is to keep the behaviour changes of the patch to
> > a minimum.
> > 
> > Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
> 
> Applied for 2.6.30

Please could you push this and other GRO changes for .30 to
net-next-2.6?

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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