From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-f50.google.com (mail-wm1-f50.google.com [209.85.128.50]) by dpdk.org (Postfix) with ESMTP id D1E1F5B38 for ; Sat, 24 Nov 2018 08:44:39 +0100 (CET) Received: by mail-wm1-f50.google.com with SMTP id j207so6504838wmj.1 for ; Fri, 23 Nov 2018 23:44:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=Ad0ujrAcOfUuilb/C6dbsCyXWrt5T2Xxsr1H2JBxhLM=; b=e4BSTkTauKhV+ELJkciO+Ocwr95nqOwJtDFVz5qirWFj8u2uYknQbPGZSOYsgLHJNk xQjK8UZsHw4lPjUkw2h9dvt/8TsXqDksPR/uolggESKc6Zu6m88Tct47b4vEYF65ayL/ TLMxpVAX54YRIo64PwodqVel1nD9hDU09KoVTYyBd3u1sMUUpgey+YF/de9WYF7NnD37 XWogNI7SLp01m7j/yqywlt94rbd4MyCvNtKqf71cNRV3yGCywlq6DPNf7UgzQkhERaaC O583eiFRbrJz5D+Fa2U4yR0O5UfUt+0oI7ejH4NWwl+Qxt2wOeKWilzmqWA3EeKbIK02 Pl3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=Ad0ujrAcOfUuilb/C6dbsCyXWrt5T2Xxsr1H2JBxhLM=; b=sKOSDA/Pfh1gMpXSfZj6OrHjyWAK+xn+vtieqw8ccAVIIzjUdeipl/uK0ghmaxE/PN CXoj+5lf6An0fTA2T0lLh4F6k420z1+bK6PvxvJJn0CDaHwbKobVibaqEaH0pB6v0Lqh Ojb2LFGcjAeMpnXtNeID4/5kHjAVawCg6Gobt6A7Zd80GDa9MqUiAFCYcv0YgKppMhKy 5gBVVkyWiPtn+m06N15zCXw2vc60VlM4C9a35V4ftVepcDEoKi/0zkxYSQikyGTQ3JsV bghcSF8GapcjliA/17kWtEJeNma0kCkzrrLWgaAW40t6YAL3tJVvMxxdrMMT6dEfbQbS h82A== X-Gm-Message-State: AGRZ1gL5StF5wiqvT1NHLpW9gLEKJcWSTKY4gFiIZHP6Ew+w1dxrt+zH qQpZzjbgSL6wwpjsJAQZrwJMHudbOZIgphc93c8= X-Google-Smtp-Source: AFSGD/WxrfXSEeECJy21KNItbeqlY/LEsaoztXNWWbjQjog8lz0bZyZyomzTF2RtEetaYwTOH2b5OFBJTOL95KL1n2A= X-Received: by 2002:a1c:650b:: with SMTP id z11mr16555211wmb.23.1543045479108; Fri, 23 Nov 2018 23:44:39 -0800 (PST) MIME-Version: 1.0 References: <3ddd6956-4cc1-d10e-59f8-e58db5f5d1d3@intel.com> In-Reply-To: From: vkrishnabhat k Date: Sat, 24 Nov 2018 08:44:29 +0100 Message-ID: To: ian.stokes@intel.com, dev@openvswitch.org, users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] [ovs-dev] Packet Drop Issue in OVS-DPDK L2FWD Application X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Nov 2018 07:44:40 -0000 Hi All, Can any one help me on these queries ? Thanks & Regards, Venkat On Wed, Nov 21, 2018 at 11:27 PM vkrishnabhat k wrote: > Hi, > Is it mandatory to run the DPDK l2fwd in guest machine and have Qemu-KVM > and OVS-DPDK in host machine. Then bind the physical NIC bound to DPDK to > OVS bridge br0 as ingress ports and also to bind guest VM to same bridge > br0 using dpdk vhostuser port as egress port ? Or is it possible to run all > the three (Quemu-KVM ,OVS-DPDK and l2fwd) in host machine itself ? > > Thanks & Regards, > Venkat > > > On Tue, Nov 20, 2018 at 11:07 PM vkrishnabhat k > wrote: > >> Hi Ian, >> >> Good to hear from you, >> >> Yea, I am running DPDK sample application 'l2fwd'. But I am not running >> it on the virtual machine(guest). I am running it on the same Ubuntu >> machine (bare metal host) where I have installed Qemu-KVM and OVS_DPDK. I >> am using OVS version 2.10.90 and DPDK 11.7.4 LTS in the host machine. >> >> I am attaching all the screen shots again with this mail for your >> reference. >> >> Thanks in advance. >> >> Look forward to hear from you. >> >> Regards, >> Venkat >> >> On Mon, Nov 19, 2018 at 2:35 PM Ian Stokes wrote: >> >>> On 11/18/2018 8:16 PM, vkrishnabhat k wrote: >>> > Hi Team, >>> > >>> > I am new to OVS and DPDK. While I am using l2fwd application with OVS >>> and >>> > DPDK I am seeing packet drop issue in OVS bridge. >>> > >>> > Topology : My topology has Ubuntu machine (Ubuntu 18.04 LTS). I have >>> > installed Qemu-KVM 2.11.1 version. Also I am using OVS-DPDK. Please >>> find >>> > the detailed topology attached with this mail. I have bound two NICs >>> (Intel >>> > 82599ES 10-gigabit ) to dpdk IGB_UIO driver and also have added same >>> ports >>> > in to OVS bridge "br0". I am trying to send the bidirectional traffic >>> from >>> > both the port and measure the throughput value for the l2fwd >>> application. >>> > >>> >>> > Could you please help me with below questions to understand l2fwd >>> better. >>> > >>> >>> Hi, just a few questions to clarify, I assume you mean you are running >>> the DPDK sample app 'l2fwd' in a Virtual machine that is also connected >>> to bridge br0 via a vhostuser port? >>> >>> > What is the reason for packet drops in OVS bridge ? >>> > What is the expected throughput value for l2fwd ? >>> > How to improve the performance of l2fwd to get better throughput value >>> ? >>> > Is it possible to send or can l2fwd handle layer 7 traffic ? >>> > >>> > I tried tuning performance by adding more number of Rx queues and >>> > increasing the Rx queue size as per the link " >>> > http://docs.openvswitch.org/en/latest/intro/install/dpdk/", but it >>> didn't >>> > help much. >>> > >>> >>> Can you provide what versions of OVS and DPDK are being used in the host >>> and VM instances? >>> >>> > I have attached screen shots of the Topology, DPDK port statistics, OVS >>> > configurations with this mail. >>> >>> I don't see these attached, they may have been filtered. Could you copy >>> the output in these to the mail in text. >>> >>> Thanks >>> Ian >>> >>> > >>> > It will be really great if you could help me with this. >>> > >>> > Look forward to hear from you. >>> > >>> > Thanks in advance. >>> > >>> > Regards, >>> > Venkat >>> > >>> > >>> > >>> > _______________________________________________ >>> > dev mailing list >>> > dev@openvswitch.org >>> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev >>> > >>> >>>