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Date:	Fri, 31 Aug 2007 09:32:17 -0400
From:	Jeff Garzik <>
To:	Brian King <>
Subject: Re: [PATCH 1/6] ibmveth: Enable TCP checksum offload

Brian King wrote:
> This patchset enables TCP checksum offload support for IPV4
> on ibmveth. This completely eliminates the generation and checking of
> the checksum for packets that are completely virtual and never
> touch a physical network. A simple TCP_STREAM netperf run on
> a virtual network with maximum mtu set yielded a ~30% increase
> in throughput. This feature is enabled by default on systems that
> support it, but can be disabled with a module option.
> Signed-off-by: Brian King <>

applied 1-6

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