From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Frederic Sowa Subject: Re: Atheros Communications Inc. AR8121/AR8113/AR8114 Gigabit or Fast Ethernet (rev b0) 1.0.0.7 md5/sha1 corrupted using NFS and samba (updated) Version 2 Date: Sun, 24 Mar 2013 04:40:37 +0100 Message-ID: <20130324034037.GC17948@order.stressinduktion.org> References: <1363996448.4431.73.camel@edumazet-glaptop> <514CF23A.3010702@gmail.com> <20130323021008.GC939@order.stressinduktion.org> <514D3581.4040001@gmail.com> <20130323150655.GA10779@order.stressinduktion.org> <69jo698argv8@mids.svenhartge.de> <20130324012625.GA17948@order.stressinduktion.org> <89joa2largv8@mids.svenhartge.de> <20130324014125.GB17948@order.stressinduktion.org> <157393863283F442885425D2C4542856489E7C79@nasanexd02f.na.qualcomm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: Sven Hartge , "netdev@vger.kernel.org" To: "Huang, Xiong" Return-path: Received: from order.stressinduktion.org ([87.106.68.36]:54353 "EHLO order.stressinduktion.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752598Ab3CXDkj (ORCPT ); Sat, 23 Mar 2013 23:40:39 -0400 Content-Disposition: inline In-Reply-To: <157393863283F442885425D2C4542856489E7C79@nasanexd02f.na.qualcomm.com> Sender: netdev-owner@vger.kernel.org List-ID: On Sun, Mar 24, 2013 at 03:27:55AM +0000, Huang, Xiong wrote: > Could you point me where the patch is ? > I checked windows driver, it doesn't disable checksum offload in RX direction. The patch is here: It does not disable checksum offloading but rather suppress the update of the ip_summed field. This forces the kernel to recheck the checksums and discard the packet. Otherwise it would be seen as a valid one and could corrupt data streams. Thanks, Hannes