netdev - Re: [RFC] [PATCH] ip: skip IP checksum for skbs with CHECKSUM

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Message-Id: <200808231258.12397.opurdila@ixiacom.com>
Date:	Sat, 23 Aug 2008 12:58:11 +0300
From:	Octavian Purdila <opurdila@...acom.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	David Miller <davem@...emloft.net>, shemminger@...tta.com,
	netdev@...r.kernel.org
Subject: Re: [RFC] [PATCH] ip: skip IP checksum for skbs with CHECKSUM_UNNECESSARY set

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Sat, 23 Aug 2008 15:15:17 +1000

> > I don't think they want this for performance, they want to not have to
> > compute the IP header checksum in their HW LRO implementation, which
> > is just as silly :-)

Yes, this was the intention, it seemed like a reasonable trade-off between FPGA 
space & complexity / software complexity at the time. Thanks for the input, 
will do it in hardware then.

> I sure hope they're not planning on leaving out the IP header
> checksum verification too :)

Of course not :) 

tavi

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