linux-kernel - Re: [PATCH] IPV6 : segmentation offload not set correctly on TCP children

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Message-ID: <20060825235940.GA13086@gondor.apana.org.au>
Date:	Sat, 26 Aug 2006 09:59:41 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Stephen Hemminger <shemminger@...l.org>
Cc:	Thomas Glanzmann <sithglan@...d.uni-erlangen.de>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] IPV6 : segmentation offload not set correctly on TCP children

On Fri, Aug 25, 2006 at 03:43:53PM -0700, Stephen Hemminger wrote:
> TCP over IPV6 would incorrectly inherit the GSO settings.
> This would cause kernel to send Tcp Segmentation Offload packets for
> IPV6 data to devices that can't handle it. It caused the sky2 driver
> to lock http://bugzilla.kernel.org/show_bug.cgi?id=7050
> and the e1000 would generate bogus packets. I can't blame the
> hardware for gagging if the upper layers feed it garbage.
> 
> This was a new bug in 2.6.18 introduced with GSO support.
> 
> Signed-off-by: Stephen Hemminger <shemminger@...l.org>

Thanks for catching this Stephen!

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