From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mc24.lon.server.colt.net (mc24.lon.server.colt.net [212.74.77.104]) by dpdk.org (Postfix) with SMTP id 338B0591A for ; Tue, 2 Sep 2014 16:32:41 +0200 (CEST) Received: from mc24.lon.server.colt.net (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 32D121E3585 for ; Tue, 2 Sep 2014 14:37:13 +0000 (UTC) Received: from mx3.qosmos.com (unknown [195.68.92.43]) by mc24.lon.server.colt.net (Postfix) with ESMTP id 214F61E3580 for ; Tue, 2 Sep 2014 14:37:13 +0000 (UTC) X-IronPort-AV: E=Sophos;i="5.04,449,1406584800"; d="scan'208";a="1213229" Received: from unknown (HELO cercis.foret) ([10.10.2.42]) by mx3.qosmos.com with ESMTP; 02 Sep 2014 16:37:13 +0200 Message-ID: <5405D618.6050808@qosmos.com> Date: Tue, 02 Sep 2014 16:37:12 +0200 From: Franck Baudin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.7.0 MIME-Version: 1.0 To: Thomas Monjalon References: <1686757.iSdNo6aMGt@xps13> In-Reply-To: <1686757.iSdNo6aMGt@xps13> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-MML: No X-TM-AS-Product-Ver: IMSVA-8.2.0.1679-7.5.0.1018-20922.007 X-TM-AS-Result: No--2.317-5.0-31-10 X-imss-scan-details: No--2.317-5.0-31-10 X-TM-AS-User-Approved-Sender: No X-TMASE-Version: IMSVA-8.2.0.1679-7.5.1018-20922.007 X-TMASE-Result: 10--2.317200-5.000000 X-TMASE-MatchedRID: ntF4Soh351Atjw5zGtj91Ca1MaKuob8Pt3aeg7g/usA52X8YwVUEW8cj y+E92r0K9BSbbHzTHNdJF5hTl8CS/Boeu+OCiwrSngIgpj8eDcC063Wh9WVqgjuUMbK1NdLP+gt Hj7OwNO2OhzOa6g8KrRdENnBX63Pe8rAG4Yir8jX9u1uQqq4dIqUbvoyMUCFWjRKDnzcbaMuqtP Ci01OHQJ7KGUNHtD5grHrkhYuVG2Ik+SH7SnJ9+MWFcyN1Agmm Cc: dev@dpdk.org Subject: Re: [dpdk-dev] Wrong TCP checksum of packets sent by Linux guest (virtIO/vhost) 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: Tue, 02 Sep 2014 14:32:41 -0000 Hi Thomas, On 09/02/14 15:29, Thomas Monjalon wrote: > UDP/ICMP connectivity is fine, but TCP checksum of packet sent by the guest are incorrect, as showed with tcpdump on linux-native. > Thanks for reporting. > Could you try virtio without vhost? Nope, dpdk-ovs supports only vhost. Thanks! Franck