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

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Message-Id: <20060825.155602.132757635.davem@davemloft.net>
Date:	Fri, 25 Aug 2006 15:56:02 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...l.org
Cc:	sithglan@...d.uni-erlangen.de, herbert@...dor.apana.org.au,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] IPV6 : segmentation offload not set correctly on TCP
 children

From: Stephen Hemminger <shemminger@...l.org>
Date: Fri, 25 Aug 2006 15:43:53 -0700

> 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>

Good catch.  Applied, thanks Stephen.
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