From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-f50.google.com (mail-wr1-f50.google.com [209.85.221.50]) by dpdk.org (Postfix) with ESMTP id F25E85323; Sun, 18 Nov 2018 21:16:43 +0100 (CET) Received: by mail-wr1-f50.google.com with SMTP id 96so12956425wrb.2; Sun, 18 Nov 2018 12:16:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=OIi4uz2W5+Fxg1wIGvg/lPGlFJAo0JLDxE8BOGTyvLY=; b=e25fsuenUmDICTD9ekLw/PEbz9dWbQ1SITOWUz4JNfaQZUYuNzlV5ZzC3J4LWaiLRM oJ7rk8cTclOtC1vmQrGjOEnB2nHMysbDeIggOoEoR9E0jwTng8abTmJ1LlAbQPMQARLr auz5wkkHZ5fBV8yYKfwKTg62CYmzAuuwiPkmx8CAYDjZDDKrGDxr5Jle1UIFUS8ePt2q WWTVYCto9zY+5nWHb2xj+Tp053axBaKLG/8gdHSPjKEI6kMBvbZb5fXpKutRdcejIJWs UpQQGdcQ4lvHK9OBbuUSIHxHcUnku+/ZBcxXBzTxocHDKHlG4IlSPubUkWvXl+2m3nMk RtIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=OIi4uz2W5+Fxg1wIGvg/lPGlFJAo0JLDxE8BOGTyvLY=; b=GZLvhVmwzND7Oxhj5oxxQfwqGADCjbem69DM8tQAwUHGGTLWPoBFtKTB1lIxTjBN9q RhTH2Bii5EVPgowtUFnfTiaVvOzN+I2BB4bczk1qAyZTHXt26+j7xCUIKbbC28oUmPGp 7e+Uygbi/gqWD+4OxTyfpS6MkeqzmhS4VLCKFMla5l8b2CbJvRAZWPRHexlmNaTZgh73 T0tRLTufLvUyJ5kGxHD6e+JHnchU5xMZnfb7V5SfyUORxCMEiQy7ny8k5bgb5t+XZ+Ew LyPFZywDHfk3QFUejelXMdxdym5erqwRkKd4a4EVbevAhImqPrNs6CDVYjSMBHmR8ISK gq3Q== X-Gm-Message-State: AA+aEWYc449AjZXU1qFg6PCH4Q9wcwlcO4VFEUoY9sTJKbXbPG68uVyB obBP1Uq7N8aq6cagZ0dyX/w7sd5nV75It6Ba2LY= X-Google-Smtp-Source: AFSGD/UyaC2VnqGm9jgVQPH+Ma/csV+OFZq2czkNIImbSI/zk4tlBM0AFdOfsMcnCeS+Xhx7+nFabtpX3lcmDXLJ6ak= X-Received: by 2002:adf:e407:: with SMTP id g7mr12560237wrm.277.1542572202666; Sun, 18 Nov 2018 12:16:42 -0800 (PST) MIME-Version: 1.0 From: vkrishnabhat k Date: Sun, 18 Nov 2018 21:16:31 +0100 Message-ID: To: ovs-discuss@openvswitch.org, ovs-dev@openvswitch.org, ovs-build@openvswitch.org, users@dpdk.org, dev@dpdk.org X-Mailman-Approved-At: Mon, 19 Nov 2018 01:55:43 +0100 Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-users] 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: Sun, 18 Nov 2018 20:16:45 -0000 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. 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. I have attached screen shots of the Topology, DPDK port statistics, OVS configurations with this mail. It will be really great if you could help me with this. Look forward to hear from you. Thanks in advance. Regards, Venkat