From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 3505D58EE for ; Wed, 3 Sep 2014 13:08:38 +0200 (CEST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP; 03 Sep 2014 04:13:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,456,1406617200"; d="scan'208";a="585573520" Received: from fmsmsx104.amr.corp.intel.com ([10.18.124.202]) by fmsmga001.fm.intel.com with ESMTP; 03 Sep 2014 04:13:12 -0700 Received: from fmsmsx112.amr.corp.intel.com (10.18.116.6) by fmsmsx104.amr.corp.intel.com (10.18.124.202) with Microsoft SMTP Server (TLS) id 14.3.195.1; Wed, 3 Sep 2014 04:13:11 -0700 Received: from shsmsx151.ccr.corp.intel.com (10.239.6.50) by FMSMSX112.amr.corp.intel.com (10.18.116.6) with Microsoft SMTP Server (TLS) id 14.3.195.1; Wed, 3 Sep 2014 04:13:11 -0700 Received: from shsmsx101.ccr.corp.intel.com ([169.254.1.198]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.174]) with mapi id 14.03.0195.001; Wed, 3 Sep 2014 19:13:10 +0800 From: "Xie, Huawei" To: "Gray, Mark D" , Thomas Monjalon , Franck BAUDIN Thread-Topic: [dpdk-dev] Wrong TCP checksum of packets sent by Linux guest (virtIO/vhost) Thread-Index: Ac/Grwhp4Qxh0OsmR/WhBoZuY0M2GP//9RUA//6apjD//SGNkA== Date: Wed, 3 Sep 2014 11:13:09 +0000 Message-ID: References: <1686757.iSdNo6aMGt@xps13> <738D45BC1F695740A983F43CFE1B7EA92D72308F@IRSMSX102.ger.corp.intel.com> In-Reply-To: <738D45BC1F695740A983F43CFE1B7EA92D72308F@IRSMSX102.ger.corp.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Cc: "dev@dpdk.org" , "dpdk-ovs@lists.01.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: Wed, 03 Sep 2014 11:08:38 -0000 DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogR3JheSwgTWFyayBEDQo+ IFNlbnQ6IFdlZG5lc2RheSwgU2VwdGVtYmVyIDAzLCAyMDE0IDY6MDEgUE0NCj4gVG86IFRob21h cyBNb25qYWxvbjsgRnJhbmNrIEJBVURJTjsgWGllLCBIdWF3ZWkNCj4gQ2M6IGRldkBkcGRrLm9y ZzsgZHBkay1vdnNAbGlzdHMuMDEub3JnDQo+IFN1YmplY3Q6IFJFOiBbZHBkay1kZXZdIFdyb25n IFRDUCBjaGVja3N1bSBvZiBwYWNrZXRzIHNlbnQgYnkgTGludXggZ3Vlc3QNCj4gKHZpcnRJTy92 aG9zdCkNCj4gDQo+ID4NCj4gPiBIaSBGcmFuY2ssDQo+ID4NCj4gPiAyMDE0LTA5LTAyIDEzOjIw LCBGcmFuY2sgQkFVRElOOg0KPiA+ID4gSSBhbSB1c2luZyBkcGRrLW92cyAxLjEuMCAobGF0ZXN0 IHJlbGVhc2UpIGFzIGZvbGxvdyA6DQo+ID4gPg0KPiA+ID4gbGludXgtZ3Vlc3QgKG5vIERQS0Qp IDwtLS0gIHZpcnRJTyAtLS0+IE9WREsgMS4xLjAgKHdpdGggbGF0ZXN0IERQREsgWypdKSA8IC0t DQo+ID4gLSBOaWFudGljIC0tLSA+IGxpbnV4LW5hdGl2ZQ0KPiA+ID4NCj4gPiBbLi4uXQ0KPiA+ ID4gVURQL0lDTVAgY29ubmVjdGl2aXR5IGlzIGZpbmUsIGJ1dCBUQ1AgY2hlY2tzdW0gb2YgcGFj a2V0IHNlbnQgYnkgdGhlDQo+ID4gZ3Vlc3QgYXJlIGluY29ycmVjdCwgYXMgc2hvd2VkIHdpdGgg dGNwZHVtcCBvbiBsaW51eC1uYXRpdmUuDQo+ID4NCj4gPiBUaGFua3MgZm9yIHJlcG9ydGluZy4N Cj4gPiBDb3VsZCB5b3UgdHJ5IHZpcnRpbyB3aXRob3V0IHZob3N0Pw0KPiA+DQo+ID4NCj4gDQo+ IExvb3BpbmcgaW4gdGhlIGRwZGstb3ZzIGxpc3QuDQo+IA0KPiAqIERvZXMgdGhlIG5ldyB2aG9z dCBBUEkgYWxsb3cgYSB1c2VyIHRvIGtub3cgaWYgYWxsIHRoZSByZWxldmFudCBvZmZsb2FkcyBo YXZlDQo+IGJlZW4NCj4gdHVybmVkIG9uL29mZiBmb3IgdGhhdCBpbnRlcmZhY2U/IEl0IHNlZW1z IHRoYXQgdGhpcyBpcyBwb3NzaWJsZSB0aHJvdWdoIHRoZQ0KPiB2aXJ0aW9fbmV0DQo+IHN0cnVj dHVyZSBidXQgaXQgd291bGQgYmUgZ29vZCB0byBnZXQgc29tZSBmZWVkYmFjayBmcm9tIHRoZSBy ZWxldmFudCBwZXJzb24NCj4gd29ya2luZyBvbiBEUERLIChIdWF3ZWk/KS4NCj4gDQo+ICogSWYg dGhpcyBpcyB0aGUgY2FzZSwgdGhlbiBpdCBpcyBwcm9iYWJseSBpbiB0aGUgcmVhbG0gb2YgdGhl IHZzd2l0Y2ggZG8gdGhlIGFjdHVhbA0KPiBjaGVja3N1bSAoZm9yIFZNLVZNKSBvciBjb3JyZWN0 bHkgY29uZmlndXJlIHRoZSBOSUMgd2hlbiBzZW5kaW5nIG91dCB0aHJvdWdoDQo+IHRoZSBwaHlz aWNhbCBpbnRlcmZhY2UuDQo+IA0KPiBDb21tZW50cz8NCg0KDQpNYXJrOg0KU28gZmFyIG5vdCBz dXBwb3J0ZWQuIFRoaXMgaXMgaW1wb3J0YW50IGFzIHdlbGwgaW4gVnhMYW4gY2FzZS4gRm9yIHRo ZSBwYWNrZXQgZmxvdyAgDQpHdWVzdCBBLT4gIHZpcnRpbyAtPiAuLi0+T1ZESy0+Li4gLT4gR3Vl c3QgQi4NCjEpIElmIGd1ZXN0IEEgYW5kIEIgYXJlIG9uIGRpZmZlcmVudCBob3N0IG1hY2hpbmVz LCBzYXkgQSBhbmQgQiByZXNwZWN0aXZlbHksICBhbmQgaWYgdGhlIG5pYyBvbiBBIHN1cHBvcnRz DQp2eGxhbiBjaGVja3N1bSBvZmZsb2FkLCB0aGVuIGJvdGggZ3Vlc3QgYW5kIGhvc3QgbmVlZG4n dCBnZW5lcmF0ZSBjaGVja3N1bSwgdGhlIG5pYyB3aWxsICANCmdlbmVyYXRlIGNoZWNrc3VtIGZv ciBib3RoIGlubmVyIGFuZCBvdXRlciBwYWNrZXQuDQoyKSBJbiBWTTJWTSBjYXNlLCBhcyBpdCBp cyB0cnVzdGVkIGNvbW11bmljYXRpb24gY2hhbm5lbCwgY291bGQgd2UgbmVnb3RpYXRlIHdpdGgg dGhlIGd1ZXN0IHRjcCBzdGFjayBub3QgdG8gdmVyaWZ5IGNoZWNrc3VtIA0KZm9yIHJlY2VpdmVk IHBhY2tldD8gDQoNCj4gDQo+IE1hcmsNCg==