From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mc34.lon.server.colt.net (mc34.lon.server.colt.net [212.74.77.114]) by dpdk.org (Postfix) with SMTP id 3CD955941 for ; Tue, 2 Sep 2014 15:14:58 +0200 (CEST) Received: from mc34.lon.server.colt.net (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D683A1A80D1 for ; Tue, 2 Sep 2014 13:19:28 +0000 (UTC) Received: from mx3.qosmos.com (unknown [195.68.92.43]) by mc34.lon.server.colt.net (Postfix) with ESMTP id BFDC41A8092 for ; Tue, 2 Sep 2014 13:19:28 +0000 (UTC) X-IronPort-AV: E=Sophos;i="5.04,449,1406584800"; d="scan'208";a="1212956" Received: from unknown (HELO mailbox.jungle.qosmos.com) ([10.12.1.9]) by mx3.qosmos.com with ESMTP; 02 Sep 2014 15:19:28 +0200 Received: from CAROUBIER.jungle.qosmos.com ([169.254.1.52]) by LILAS.jungle.qosmos.com ([fe80::5524:2c18:b2c3:74d4%14]) with mapi id 14.01.0438.000; Tue, 2 Sep 2014 15:20:30 +0200 From: Franck BAUDIN To: "dev@dpdk.org" Thread-Topic: Wrong TCP checksum of packets sent by Linux guest (virtIO/vhost) Thread-Index: Ac/Grwhp4Qxh0OsmR/WhBoZuY0M2GA== Date: Tue, 2 Sep 2014 13:20:08 +0000 Message-ID: Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.10.5.14] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 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--7.913-5.0-31-10 X-imss-scan-details: No--7.913-5.0-31-10 X-TM-AS-User-Approved-Sender: No X-TMASE-Version: IMSVA-8.2.0.1679-7.5.1018-20922.007 X-TMASE-Result: 10--7.912600-5.000000 X-TMASE-MatchedRID: FvqzeB993ZH3XRBv1Rdf+5E76WXC3XFfBdebOqawiLsiZRblFGx+8EsI xi34LbJScb75tXMR5DIaBc1KZ+4iy83Kh/1sQtIrzLnsGkFCJyQ1TzP60UkdHRxkWxg79K4Ivhu /tC85drZu9FCg4yEjkoLs/kPXuMWFLIdLE0qzKqHmAId+2bAQwiUEq8j01YhfW+jwVKpqvlIvsU v6Hr1LBjos8X3SyMlgOTazGT39uuQf8rm7YjEyEpmug812qIbzKVrLOZD1BXRWpMJmYmUxfNW9g /MrJqvpgC3FH2GME0a2cmakqb9F9WeyWlwOpUyhUg+Dt273PpNls8GUNi+ozZsoi2XrUn/J+ZL5 o+vRV7xJeFvFlVDkf46HM5rqDwqtGmD7n854XT32XZxpiyVXKx8B7xG/UCkGhoVpmTmxfeTPpBl ltuuk5g== Subject: [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 13:14:58 -0000 SGVsbG8sDQoNClRoaXMgaXMgYSByZXBvc3Qgb2YgaHR0cHM6Ly9saXN0cy4wMS5vcmcvcGlwZXJt YWlsL2RwZGstb3ZzLzIwMTQtU2VwdGVtYmVyLzAwMTc4OC5odG1sIGFzIHRoZSBpc3N1ZSBtaWdo dCBiZSByZWxhdGVkIHRvIGRwZGsub3JnIHZob3N0IGNvZGUuDQoNCkkgYW0gdXNpbmcgZHBkay1v dnMgMS4xLjAgKGxhdGVzdCByZWxlYXNlKSBhcyBmb2xsb3cgOg0KDQpsaW51eC1ndWVzdCAobm8g RFBLRCkgPC0tLSAgdmlydElPIC0tLT4gT1ZESyAxLjEuMCAod2l0aCBsYXRlc3QgRFBESyBbKl0p IDwgLS0tIE5pYW50aWMgLS0tID4gbGludXgtbmF0aXZlDQoNClsqXSBjb21taXQgOGZkOGJlYmMw NTE3MDRkN2NhZWNmZWQ4ZDhhMDY1YTc5YzAyMjMyOQ0KQXV0aG9yOiBBZHJpZW4gTWF6YXJndWls IDxhZHJpZW4ubWF6YXJndWlsQDZ3aW5kLmNvbT4NCkRhdGU6ICAgTW9uIFNlcCAxIDEyOjMxOjEx IDIwMTQgKzAyMDANCg0KVURQL0lDTVAgY29ubmVjdGl2aXR5IGlzIGZpbmUsIGJ1dCBUQ1AgY2hl Y2tzdW0gb2YgcGFja2V0IHNlbnQgYnkgdGhlIGd1ZXN0IGFyZSBpbmNvcnJlY3QsIGFzIHNob3dl ZCB3aXRoIHRjcGR1bXAgb24gbGludXgtbmF0aXZlLg0KDQpJcyBpdCBzdXBwb3NlZCB0byB3b3Jr PyBJZiB5ZXMsIHdoYXQgaXMgdGhlIHByb3BlciBxZW11IHZlcnNpb24gdG8gdXNlIGFuZCBpdHMg cGFyYW1ldGVycz8NCg0KSSBhbSB1c2luZyBxZW11IHZlcnNpb24gcHJvdmlkZWQgYnkgZHBkay1v dnMgKHNhbWUgaXNzdWUgd2l0aCBQRERLIDEuNy4wIGFuZCBsYXRlc3Qgb25lKSBhbmQgSSBmb2xs b3dlZCB0aGlzIGRvY3VtZW50YXRpb246IGh0dHBzOi8vZ2l0aHViLmNvbS8wMW9yZy9kcGRrLW92 cy9ibG9iL2RldmVsb3BtZW50L2RvY3MvMDRfU2FtcGxlX0NvbmZpZ3VyYXRpb25zLzAyX1VzZXJz cGFjZS12SG9zdC5tZA0KDQpUaGFua3MhDQpGcmFuY2sNCg0KDQoNClRoaXMgbWVzc2FnZSBhbmQg YW55IGF0dGFjaG1lbnRzICh0aGUgIm1lc3NhZ2UiKSBhcmUgY29uZmlkZW50aWFsLCBpbnRlbmRl ZCBzb2xlbHkgZm9yIHRoZSBhZGRyZXNzZWVzLiBJZiB5b3UgYXJlIG5vdCB0aGUgaW50ZW5kZWQg cmVjaXBpZW50LCBwbGVhc2Ugbm90aWZ5IHRoZSBzZW5kZXIgaW1tZWRpYXRlbHkgYnkgZS1tYWls IGFuZCBkZWxldGUgdGhpcyBtZXNzYWdlIGZyb20geW91ciBzeXN0ZW0uIEluIHRoaXMgY2FzZSwg eW91IGFyZSBub3QgYXV0aG9yaXplZCB0byB1c2UsIGNvcHkgdGhpcyBtZXNzYWdlIGFuZC9vciBk aXNjbG9zZSB0aGUgY29udGVudCB0byBhbnkgb3RoZXIgcGVyc29uLiBFLW1haWxzIGFyZSBzdXNj ZXB0aWJsZSB0byBhbHRlcmF0aW9uLiBOZWl0aGVyIFFvc21vcyBub3IgYW55IG9mIGl0cyBzdWJz aWRpYXJpZXMgb3IgYWZmaWxpYXRlcyBzaGFsbCBiZSBsaWFibGUgZm9yIHRoZSBtZXNzYWdlIGlm IGFsdGVyZWQsIGNoYW5nZWQgb3IgZmFsc2lmaWVkLg0KDQpDZSBtZXNzYWdlIGV0IHRvdXRlcyBz ZXMgcGnDqGNlcyBqb2ludGVzIChjaS1hcHLDqHMgbGUgIm1lc3NhZ2UiKXNvbnQgY29uZmlkZW50 aWVscyBldCDDqXRhYmxpcyDDoCBsJ2ludGVudGlvbiBleGNsdXNpdmUgZGUgc2VzIGRlc3RpbmF0 YWlyZXMuIFNpIHZvdXMgYXZleiByZcOndSBjZSBtZXNzYWdlIHBhciBlcnJldXIsIG1lcmNpIGTi gJllbiBpbmZvcm1lciBpbW3DqWRpYXRlbWVudCBzb24gw6ltZXR0ZXVyIHBhciBjb3VycmllciDD qWxlY3Ryb25pcXVlIGV0IGTigJllZmZhY2VyIGNlIG1lc3NhZ2UgZGUgdm90cmUgc3lzdMOobWUu IERhbnMgY2V0dGUgaHlwb3Row6hzZSwgdm91cyBu4oCZw6p0ZXMgcGFzIGF1dG9yaXPDqSDDoCB1 dGlsaXNlciwgY29waWVyIGNlIG1lc3NhZ2UgZXQvb3UgZW4gZGl2dWxndWVyIGxlIGNvbnRlbnUg w6AgdW4gdGllcnMuIFRvdXQgbWVzc2FnZSDDqWxlY3Ryb25pcXVlIGVzdCBzdXNjZXB0aWJsZSBk J2FsdMOpcmF0aW9uLiBRb3Ntb3MgZXQgc2VzIGZpbGlhbGVzIGTDqWNsaW5lbnQgdG91dGUgcmVz cG9uc2FiaWxpdMOpIGF1IHRpdHJlIGRlIGNlIG1lc3NhZ2UgcydpbCBhIMOpdMOpIGFsdMOpcsOp LCBkw6lmb3Jtw6kgb3UgZmFsc2lmacOpLg0K