From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f173.google.com (mail-wi0-f173.google.com [209.85.212.173]) by dpdk.org (Postfix) with ESMTP id 7E2E65941 for ; Tue, 2 Sep 2014 15:25:21 +0200 (CEST) Received: by mail-wi0-f173.google.com with SMTP id cc10so7400357wib.0 for ; Tue, 02 Sep 2014 06:29:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:organization :user-agent:in-reply-to:references:mime-version :content-transfer-encoding:content-type; bh=UwuMRfmQnA/zw2n/4Huq1N0mq2tLKs8IV1Bnrjt1yKI=; b=AOJ1c8MpACWSqJjViZMEvQyaeRQwROuFiIwIek0sJjNNxZwt9TdTmPumOzeL2iEyNd 4PmtLnZUsuUVnEbwroqCxEb0V/762+3MafFAugqTjfiqIaGP5nbJ8VM8K4BTBkuHLbbQ B4b7Sc49fVHaeOB8gyBDgNIrnjG3VpAXvt4aF/VeXbxhIbQDTNwsja7Rb9I//QYRb93/ 0kvZORlXa4Wr+ufMFG+MCxuyne0gWx1JDumxlV3IZKIEqxyYIyWXEYW2vnNYfX/xL05+ ydPVUQxwdJchzO46bnyPQgUswrBB+TY5h3EAZcQW1lyhdcaXRrixFEk5h1PblHTUsuPV 1DyQ== X-Gm-Message-State: ALoCoQkqjySAKrtxeFrwMCk2mgoowyZ7xf+HcCyG5+aGHv4Z8TlyLfPWlftaElWae+lgpctaDbnI X-Received: by 10.180.98.196 with SMTP id ek4mr28755819wib.13.1409664592339; Tue, 02 Sep 2014 06:29:52 -0700 (PDT) Received: from xps13.localnet (136-92-190-109.dsl.ovh.fr. [109.190.92.136]) by mx.google.com with ESMTPSA id js2sm9582277wjc.9.2014.09.02.06.29.51 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Sep 2014 06:29:51 -0700 (PDT) From: Thomas Monjalon To: Franck BAUDIN Date: Tue, 02 Sep 2014 15:29:44 +0200 Message-ID: <1686757.iSdNo6aMGt@xps13> Organization: 6WIND User-Agent: KMail/4.13.3 (Linux/3.15.8-1-ARCH; KDE/4.13.3; x86_64; ; ) In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 13:25:21 -0000 Hi Franck, 2014-09-02 13:20, Franck BAUDIN: > I am using dpdk-ovs 1.1.0 (latest release) as follow : >=20 > linux-guest (no DPKD) <--- virtIO ---> OVDK 1.1.0 (with latest DPDK = [*]) < --- Niantic --- > linux-native >=20 [...] > 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? > This message and any attachments (the "message") are confidential, in= tended solely for the addressees. If you are not the intended recipient= , please notify the sender immediately by e-mail and delete this messag= e from your system. In this case, you are not authorized to use, copy t= his message and/or disclose the content to any other person. E-mails ar= e susceptible to alteration. Neither Qosmos nor any of its subsidiaries= or affiliates shall be liable for the message if altered, changed or f= alsified. >=20 > Ce message et toutes ses pi=C3=A8ces jointes (ci-apr=C3=A8s le "messa= ge")sont confidentiels et =C3=A9tablis =C3=A0 l'intention exclusive de = ses destinataires. Si vous avez re=C3=A7u ce message par erreur, merci = d=E2=80=99en informer imm=C3=A9diatement son =C3=A9metteur par courrier= =C3=A9lectronique et d=E2=80=99effacer ce message de votre syst=C3=A8m= e. Dans cette hypoth=C3=A8se, vous n=E2=80=99=C3=AAtes pas autoris=C3=A9= =C3=A0 utiliser, copier ce message et/ou en divulguer le contenu =C3=A0= un tiers. Tout message =C3=A9lectronique est susceptible d'alt=C3=A9ra= tion. Qosmos et ses filiales d=C3=A9clinent toute responsabilit=C3=A9 a= u titre de ce message s'il a =C3=A9t=C3=A9 alt=C3=A9r=C3=A9, d=C3=A9for= m=C3=A9 ou falsifi=C3=A9. This big disclaimer block has no sense on a public mailing list. Please try to remove it. Thanks --=20 Thomas