netdev - Re: [PATCH 05/34]bnx2x: Setting the GSO

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Date:	Wed, 14 Jan 2009 18:00:21 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Eilon Greenstein <eilong@...adcom.com>
Cc:	David Miller <davem@...emloft.net>, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH 05/34]bnx2x: Setting the GSO_TYPE with LRO

On Wed, 2009-01-14 at 19:42 +0200, Eilon Greenstein wrote:
> On Wed, 2009-01-14 at 08:57 -0800, Ben Hutchings wrote:
> > On Wed, 2009-01-14 at 18:42 +0200, Eilon Greenstein wrote:
> > > When TPA (HW GRO) is used, the GSO_TYPE should be set
> > [...]
> > 
> > No it shouldn't.  That is for the output path only.
> > 
> 
> Right - but it was an issue with forwarding

You can't use LRO together with forwarding/bridging unless you replicate
what Herbert Xu has done to allow reconstruction of the original frames.
Setting gso_type is a hack which you may or may not get away with,
depending on the output device's capabilities.

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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