From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCHv2 0/8] vxlan: bug fixes Date: Thu, 11 Oct 2012 07:59:03 -0700 Message-ID: <20121011075903.2c01ef41@nehalam.linuxnetplumber.net> References: <20121010063545.453368147@vyatta.com> <20121010.224220.1261492043652933665.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: David Miller Return-path: Received: from mail.vyatta.com ([76.74.103.46]:45563 "EHLO mail.vyatta.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753926Ab2JKO7o (ORCPT ); Thu, 11 Oct 2012 10:59:44 -0400 In-Reply-To: <20121010.224220.1261492043652933665.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 10 Oct 2012 22:42:20 -0400 (EDT) David Miller wrote: > From: Stephen Hemminger > Date: Tue, 09 Oct 2012 23:35:45 -0700 > > > Revision to earlier patch set for vxlan, includes a couple > > more issues. > > Applied, but that checksum issue is extremely unfortunate. > > Why does postpull rcsum work for GRE but not VXLAN? Not sure, plan to investigate getting rx checksum offload working and possibly tx checksum (using checksum start). Part of the problem with Tx checksum is too many drivers are looking directly at skb_network_header() and skb_transport_header() when they should be using skb_checksum_start().