netdev - Re: linux-3.0.18+r8169+ipv4/tcp forwarding = tso/gso weirdness and performance degration

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Date:	Wed, 14 Mar 2012 19:29:14 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Timo Teras <timo.teras@....fi>
CC:	Eric Dumazet <eric.dumazet@...il.com>, <netdev@...r.kernel.org>,
	Francois Romieu <romieu@...zoreil.com>
Subject: Re: linux-3.0.18+r8169+ipv4/tcp forwarding = tso/gso weirdness and
 performance degration

On Wed, 2012-03-14 at 19:29 +0200, Timo Teras wrote:
[...]
> gro off. I am even trying now with:
> 
> Offload parameters for eth2:
> rx-checksumming: off
> tx-checksumming: off
> scatter-gather: off
> tcp segmentation offload: off
> udp fragmentation offload: off
> generic segmentation offload: off
[...]

GRO isn't even reported there!  Apparently you need a newer version of
ethtool.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
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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