From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: be2net: GRO for non-inet protocols Date: Tue, 09 Apr 2013 07:32:31 -0700 Message-ID: <1365517951.3887.138.camel@edumazet-glaptop> References: <20130405132007.GF7551@eerihug-hybrid.ki.sw.ericsson.se> <1365175702.3405.2.camel@edumazet-glaptop> <1365175872.3405.3.camel@edumazet-glaptop> <20130408064010.GD8543@eerihug-hybrid.ki.sw.ericsson.se> <20130408152417.GD19951@eerihug-hybrid.ki.sw.ericsson.se> <1365436285.3887.16.camel@edumazet-glaptop> <20130409075532.GA20363@eerihug-hybrid.ki.sw.ericsson.se> <1365515075.3887.122.camel@edumazet-glaptop> <20130409142239.GB27063@eerihug-hybrid.ki.sw.ericsson.se> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: sathya.perla@emulex.com, subbu.seetharaman@emulex.com, ajit.khaparde@emulex.com, netdev@vger.kernel.org To: Erik Hugne Return-path: Received: from mail-pa0-f47.google.com ([209.85.220.47]:62547 "EHLO mail-pa0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756026Ab3DIOce (ORCPT ); Tue, 9 Apr 2013 10:32:34 -0400 Received: by mail-pa0-f47.google.com with SMTP id bj3so3835096pad.6 for ; Tue, 09 Apr 2013 07:32:33 -0700 (PDT) In-Reply-To: <20130409142239.GB27063@eerihug-hybrid.ki.sw.ericsson.se> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, 2013-04-09 at 16:22 +0200, Erik Hugne wrote: > On Tue, Apr 09, 2013 at 06:44:35AM -0700, Eric Dumazet wrote: > > I suggested you try GRE tunnels on emulex NIC, to make sure the problem > > is not coming from your changes. Nevermind ... > > > I understood that, but since i could not load anything newer than 3.0.61 on them, > GRO support for GRE tunnels was not included.. but anyway... > I got hold of a new set of machines that i could load 3.8 and perform the GRE > test on, these also use Emulex NIC's. > What i found was that all packets received on the GRE device are MTU-sized, > and are not GRO'd together at all. The same thing happens in a qemu environment, > so maybe there's another issue with GRO for GRE.. But you included my patch ?