From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shirley Ma Subject: Re: [PATCH net-next-2.6] macvtap: Return error when macvlan drops the packet Date: Tue, 13 Jul 2010 09:42:24 -0700 Message-ID: <1279039344.7719.19.camel@localhost.localdomain> References: <1278924474.7719.14.camel@localhost.localdomain> <201007121244.04499.arnd@arndb.de> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: sri@us.ibm.com, netdev@vger.kernel.org, davem@davemloft.net To: Arnd Bergmann Return-path: Received: from e34.co.us.ibm.com ([32.97.110.152]:53857 "EHLO e34.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754366Ab0GMQmf (ORCPT ); Tue, 13 Jul 2010 12:42:35 -0400 Received: from d03relay02.boulder.ibm.com (d03relay02.boulder.ibm.com [9.17.195.227]) by e34.co.us.ibm.com (8.14.4/8.13.1) with ESMTP id o6DGYFXs016452 for ; Tue, 13 Jul 2010 10:34:15 -0600 Received: from d03av04.boulder.ibm.com (d03av04.boulder.ibm.com [9.17.195.170]) by d03relay02.boulder.ibm.com (8.13.8/8.13.8/NCO v9.1) with ESMTP id o6DGgSh2159748 for ; Tue, 13 Jul 2010 10:42:31 -0600 Received: from d03av04.boulder.ibm.com (loopback [127.0.0.1]) by d03av04.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o6DGgP5G021142 for ; Tue, 13 Jul 2010 10:42:27 -0600 In-Reply-To: <201007121244.04499.arnd@arndb.de> Sender: netdev-owner@vger.kernel.org List-ID: Hello Arnd, I am working on macvtap zero-copy patch. I found that the packet was silently dropped and packet out of order when using zero-copy. That was a reason I submitted this patch to switch to copy mode when that happens. I think I might need more time to debug why first. Thanks Shirley