From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qc0-x22b.google.com (mail-qc0-x22b.google.com [IPv6:2607:f8b0:400d:c01::22b]) by dpdk.org (Postfix) with ESMTP id 1DF5B68DD for ; Fri, 17 Jan 2014 09:39:12 +0100 (CET) Received: by mail-qc0-f171.google.com with SMTP id n7so3391157qcx.30 for ; Fri, 17 Jan 2014 00:40:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=7bkVD2pZ5uqUxDNsFGKpn6ZGqyo1FTwxwV2pJoRACoM=; b=IIFIXqqLh94cjQQzZ54ctVoXoyPQZ2hXRmS++q699qHC2n/fi43kxArObm1sCTbNlM DGMqfz+0B2h6H6aqiQLXivhK8G2ExoV+fhfD1tnQk0G+6YE0ua3DGj7iGsUriozmVgXh 1CldILulV6S1laqTrYuTBWMX/jxoQxFk6It35fV+8jTWd+eiz16WNQJb7uBHp2GuTaZn 9i3EcTE1JHsrINfu2X9/Nr1+OEsTHVoHFpkEFHAI6mc99aCUFNnIz5rtuDGBRDEyTdNR w9MqhD4fS8FboWDIPjpszIs73FLyM/b+a+wxdpwBKKMs51FiLHkk9Ie+cF9RG5nOwZdg 6vcg== MIME-Version: 1.0 X-Received: by 10.224.65.135 with SMTP id j7mr1142388qai.10.1389948026686; Fri, 17 Jan 2014 00:40:26 -0800 (PST) Received: by 10.96.63.166 with HTTP; Fri, 17 Jan 2014 00:40:26 -0800 (PST) Date: Fri, 17 Jan 2014 00:40:26 -0800 Message-ID: From: James Yu To: "dev@dpdk.org" Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-dev] Any benefit of using DPDK's makefiles instead of using X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Jan 2014 08:39:12 -0000 Anyone knows how to turn off TSO in DPDK+SR-IOV in KVM guest VM ? I want the packets sending out of the KVM host not to have TSO by the hardware. I imagine that I need to do the following: 1. turn off TSO in the guest before starting DPDK using ethtool -K ethX tso off After DPDK is started, the device will be removed. I think the command ethtool will call ethtool function in the ixgbevf.ko in the kernel to turn TSO off. Am I correct ? 2. turn off TSO on the host using ethtool -K ethX tso off Do I need to do the second one ? Would the first one propagate down to the host ? James