From mboxrd@z Thu Jan 1 00:00:00 1970 From: Octavian Purdila Subject: Re: [RFC] [PATCH] ip: skip IP checksum for skbs with CHECKSUM_UNNECESSARY set Date: Sat, 23 Aug 2008 12:58:11 +0300 Message-ID: <200808231258.12397.opurdila@ixiacom.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: David Miller , shemminger@vyatta.com, netdev@vger.kernel.org To: Herbert Xu Return-path: Received: from ixia01.ro.gtsce.net ([212.146.94.66]:10225 "EHLO ixro-ex1.ixiacom.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752468AbYHWKBL (ORCPT ); Sat, 23 Aug 2008 06:01:11 -0400 In-Reply-To: Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: From: Herbert Xu Date: Sat, 23 Aug 2008 15:15:17 +1000 > > I don't think they want this for performance, they want to not have to > > compute the IP header checksum in their HW LRO implementation, which > > is just as silly :-) Yes, this was the intention, it seemed like a reasonable trade-off between FPGA space & complexity / software complexity at the time. Thanks for the input, will do it in hardware then. > I sure hope they're not planning on leaving out the IP header > checksum verification too :) Of course not :) tavi