netdev - Re: include/linux/skbuff.h: checksumming documentation

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Message-Id: <E1KcdhD-0003sr-UA@gondolin.me.apana.org.au>
Date:	Mon, 08 Sep 2008 20:10:11 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	prodyuth@...il.com (prodyut hazarika)
Cc:	ben-linux@...ff.org, netdev@...r.kernel.org
Subject: Re: include/linux/skbuff.h: checksumming documentation

prodyut hazarika <prodyuth@...il.com> wrote:
> 
> Note that Linux TCP stack does not support IP checksum offload.

Unless you've got options, the IP header is only 20 bytes.  Plus
we've just written it so it's hot in the cache, so calculating
the IP checksum is essentially free.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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