netdev - Re: tx-checksumming for an Intel Corporation 82540EP Gigabit Ethernet Controller (Mobile)

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Message-Id: <E1Jnn9e-0001tP-00@gondolin.me.apana.org.au>
Date:	Mon, 21 Apr 2008 11:57:22 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	dpn@...merica.net
Cc:	toralf.foerster@....de, netdev@...r.kernel.org
Subject: Re: tx-checksumming for an Intel Corporation 82540EP Gigabit Ethernet Controller (Mobile)

Daniel Noe <dpn@...merica.net> wrote:
>
> 2) Tell Wireshark not to verify the checksums.  See 
> http://wiki.wireshark.org/TCP_Checksum_Verification.  This works if you 
> don't really care about the checksums and are looking at other things. 
> If you suspect incorrect checksums, you can always turn off checksum 
> offloading manually.

Better yet fix Wireshark to use the info that the kernel supplies
and ignore checksums only on those packets generated locally for
hardware offload.

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