From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] IPV6 : segmentation offload not set correctly on TCP children Date: Fri, 25 Aug 2006 15:56:02 -0700 (PDT) Message-ID: <20060825.155602.132757635.davem@davemloft.net> References: <20060821150231.31a947d4@localhost.localdomain> <20060821222634.GC21790@cip.informatik.uni-erlangen.de> <20060825154353.3ecaf508@localhost.localdomain> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: sithglan@stud.uni-erlangen.de, herbert@gondor.apana.org.au, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: Received: from dsl027-180-168.sfo1.dsl.speakeasy.net ([216.27.180.168]:23723 "EHLO sunset.davemloft.net") by vger.kernel.org with ESMTP id S964771AbWHYWz5 (ORCPT ); Fri, 25 Aug 2006 18:55:57 -0400 To: shemminger@osdl.org In-Reply-To: <20060825154353.3ecaf508@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Stephen Hemminger 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 Good catch. Applied, thanks Stephen.