Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755138AbaJHIrd (ORCPT ); Wed, 8 Oct 2014 04:47:33 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:51192 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755062AbaJHIra (ORCPT ); Wed, 8 Oct 2014 04:47:30 -0400 Message-ID: <5434FA02.8070608@huawei.com> Date: Wed, 8 Oct 2014 16:46:58 +0800 From: yinpeijun User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:11.0) Gecko/20120327 Thunderbird/11.0.1 MIME-Version: 1.0 To: , , CC: , Subject: vxlan gro problem ? Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.19.133] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020205.5434FA1A.0014,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: c82206a4da7d19b77529b0e8a0ab4bf4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, recently Linux 3.14 has been released and I find the networking has added udp gro and vxlan gro funtion, then I use the redhat 7.0(there is also add this funtion) to test, I use kernel vxlan module and create a vxlan device then attach the device to ovs bridge , the configure as follow: root@25:~$ ip link 15: vxlan0: mtu 1450 qdisc noqueue master ovs-system state UNKNOWN mode DEFAULT link/ether be:e1:ae:3d:8b:f2 brd ff:ff:ff:ff:ff:ff 16: vnet0: mtu 1400 qdisc mq master ovs-system state UNKNOWN mode DEFAULT qlen 5000 root@25:~$ ovs-vsctl show aa1294f3-9952-4393-b2b5-54e9a6eb76ee Bridge ovs-vx Port ovs-vx Interface ovs-vx type: internal Port "vnet0" Interface "vnet0" Port "vxlan0" Interface "vxlan0" ovs_version: "2.0.2" vnet0 is a vm backend device, and the end is the same configuration. then I use netperf to test throughput in vm (netperf -H **** -t TCP_STREAM -l 10 -- -m 1460), the result is 3-4 Gbit/sec, the improvement is not obvious, and I also confused there is no aggregation packets (length > mtu) in the end vm. so I want to know what wrong ? or how to test the function ? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/