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Thu, 13 Sep 2018 21:39:02 +0000 From: Yong Wang To: Padam Jeet Singh , Stephen Hemminger CC: "dev@dpdk.org" Thread-Topic: [dpdk-dev] vmxnet3 TX TCP/UDP checksum not getting computed with L2_len > 14 Thread-Index: AQHUBh0bapP62TFhwUabuUPWnCPqfqRkqTwAgAAlY4CAigQsgA== Date: Thu, 13 Sep 2018 21:39:02 +0000 Message-ID: <9BF3B720-6381-4574-97B4-450F54C67E60@vmware.com> References: <45FFB08E-61C4-456F-A332-0881B6BF2BE3@inventum.net> <20180617094626.2d72413f@xeon-e3> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/10.11.0.180904 authentication-results: spf=none (sender IP is ) smtp.mailfrom=yongwang@vmware.com; x-originating-ip: [208.91.2.2] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; CO2PR0501MB808; 20:o6nDVpeYWVokROp0ofDbxUU7xZAoat91ty7FWzlDygK22Oxj4tRiTPu93jUSnCejS5XpaX4HCX+QAmZn83OOwGvPAxde9ZNdw0J8ZUypTDN+k5vj90dBBIuugAQSVvK3q6wd/smYVqvShCaKrKrGQzaoemxNmvMvlUk1/MaRFp4= x-ms-exchange-antispam-srfa-diagnostics: SOS; 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DIR:OUT; SFP:1101; SCL:1; SRVR:CO2PR0501MB808; H:CO2PR0501MB1048.namprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: vmware.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: JWumnNX4lWp1MjZl3KlPfV5aq0S4sbm/WV+YXgj2lFblBeNVrwoBCgQtYurZORvNMsfHkqu97WgyN/T32mbO+ihgy5aboOpVHRdJKNzi5PSh/mrmZm91qsdiW3S4w183wUO7wDaTDf/lfm2W20FiKTXDr8I0pv6qVIJw2TI5CJM3XslpeoVqrOhjue+OlUFRiD3UHqcIQyxBMjNzvuK9x2InXH71mqFAisCPmZIByVwUNIqc/6uA5yz5zFCrYc8HRj0eZsJihviqEDd7gIz5ZAxfBDRBl3jVqyizTSh2u4ZPrKwBLCjF28VLOrvfvbi1zrxdu8AH5XZYm6brHaFH0CUG6qGTpeuwXRxgiA8td2Y= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: <2D9D52D6F881784096B2193B1DB159C8@namprd05.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: vmware.com X-MS-Exchange-CrossTenant-Network-Message-Id: 31d09b2f-77f2-4fdd-0ab7-08d619c1528c X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Sep 2018 21:39:02.3327 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b39138ca-3cee-4b4a-a4d6-cd83d9dd62f0 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO2PR0501MB808 Subject: Re: [dpdk-dev] vmxnet3 TX TCP/UDP checksum not getting computed with L2_len > 14 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Sep 2018 21:39:06 -0000 DQoNCu+7vy0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQpGcm9tOiBQYWRhbSBKZWV0IFNpbmdo IDxwYWRhbS5zaW5naEBpbnZlbnR1bS5uZXQ+DQpEYXRlOiBTdW5kYXksIEp1bmUgMTcsIDIwMTgg YXQgMTI6MDAgUE0NClRvOiBTdGVwaGVuIEhlbW1pbmdlciA8c3RlcGhlbkBuZXR3b3JrcGx1bWJl ci5vcmc+DQpDYzogImRldkBkcGRrLm9yZyIgPGRldkBkcGRrLm9yZz4sIFlvbmcgV2FuZyA8eW9u Z3dhbmdAdm13YXJlLmNvbT4NClN1YmplY3Q6IFJlOiBbZHBkay1kZXZdIHZteG5ldDMgVFggVENQ L1VEUCBjaGVja3N1bSBub3QgZ2V0dGluZyBjb21wdXRlZCB3aXRoIEwyX2xlbiA+IDE0DQoNCg0K ICAgID4+IE9uIDE3LUp1bi0yMDE4LCBhdCAxMDoxNiBQTSwgU3RlcGhlbiBIZW1taW5nZXIgPHN0 ZXBoZW5AbmV0d29ya3BsdW1iZXIub3JnPiB3cm90ZToNCiAgICA+PiANCiAgICA+PiBPbiBTdW4s IDE3IEp1biAyMDE4IDE0OjU1OjA2ICswNTMwDQogICAgPj4gUGFkYW0gSmVldCBTaW5naCA8cGFk YW0uc2luZ2hAaW52ZW50dW0ubmV0PiB3cm90ZToNCiAgICA+PiANCiAgICA+Pj4gSGVsbG8sDQog ICAgPj4+IA0KICAgID4+PiBJc3N1ZSBvYnNlcnZlZCB3aGVuIHVzaW5nIHZteG5ldDMgYmFzZWQg aW50ZXJmYWNlIG9uIHBhY2tldCB3aXRoIGZvbGxvd2luZyBzdHJ1Y3R1cmUgaXMgc2VudDoNCiAg ICA+Pj4gDQogICAgPj4+IEV0aGVybmV0ICsgUFBQb0UgKyBQUFAgKDIyIGJ5dGVzKSBhcyB0aGUg TGF5ZXIgMiBoZWFkZXIsIA0KICAgID4+PiBJUHY0ICgyMCkgDQogICAgPj4+IFVEUA0KICAgID4+ PiBETlMgUGF5bG9hZA0KICAgID4+PiANCiAgICA+Pj4gVGhlIHR4IG9mZmxvYWQgdmFsdWUgaW4g dGhpcyBjYXNlIGlzIDB4MGYwMDAwMDAwMDAwMDAwIChQS1RfVFhfSVBWNCAgfCBQS1RfVFhfSVBf Q0tTVU0gfCBQS1RfVFhfVURQX0NLU1VNKQ0KICAgID4+PiANCiAgICA+Pj4gVGhlIGNoZWNrc3Vt IG9mIHRoZSBwYWNrZXQgc2VlbiBieSB0aGUgcmVjZWl2ZXIgc2hvd3MgaW5jb3JyZWN0IGNoZWNr c3VtIGFuZCBpdOKAmXMgdmFsdWUgaXMgdGhlIHBzZXVkbyBjaGVja3N1bSB2YWx1ZSB0aGF0IHdh cyBzZXQgYXQgdGhlIHRpbWUgb2YgdGhlIFRYLiBIb3dldmVyIHRoZSBJUCBoZWFkZXIgY2hlY2tz dW0gaXMgY29ycmVjdC4NCiAgICA+Pj4gDQogICAgPj4+IFRoZSBzYW1lIGlzc3VlIGlzIG5vdCBz ZWVuIHdoZW4gdGhlIEwyIGhlYWRlciBpcyBhIGp1c3QgdGhlIEV0aGVybmV0ICgxNCBieXRlcyku DQogICAgPj4+IA0KICAgID4+PiBBbHNvLCB3aXRoIHRoZSBzYW1lIHNldHVwIG9uIHRoZSBzYW1l IGhhcmR3YXJlIGlmIHdlIHN3aXRjaCB0aGUgZHJpdmVyIGZyb20gdm14bmV0MyB0byBlMTAwMGUs IGFsbCBjaGVja3N1bXMgYXJlIGNvbXB1dGVkIGNvcnJlY3RseS4NCiAgICA+Pj4gDQogICAgPj4+ IElzIHRoaXMgYSBEUERLIHZteG5ldDMgZHJpdmVyIGJ1ZyBvciB0aGF0IG9mIHVuZGVybHlpbmcg ZXN4aT8gVGhlIEVTWGkgdmVyc2lvbiBpcyA2LjAuMCAoQnVpbGQgMzYyMDc1OSkuDQogICAgPj4+ IA0KICAgID4+PiBUaGFua3MsDQogICAgPj4+IFBhZGFtDQogICAgPj4gDQogICAgPj4gSSBkb24n dCB0aGluayBWTVdhcmUgc3VwcG9ydHMgSVAgY2hlY2tzdW0gb2ZmbG9hZC4gU2luY2UgSVAgY2hl Y2tzdW0gaXMgdHJpdmlhbCBhbmQgaW4gY2FjaGUsDQogICAgPj4gdGhlIElQIGhlYWRlciBjaGVj a3N1bSBvZmZsb2FkIGlzIHVzdWFsbHkgbm90IGEgc3BlZWQgdXAgYW55d2F5LiBMaW51eCBmb3Ig ZXhhbXBsZSwgbmV2ZXIgZG9lcw0KICAgID4+IElQIGhlYWRlciBjaGVja3N1bSBvZmZsb2FkLg0K ICAgIA0KICAgID4gIEl04oCZcyBub3QgdGhlIElQIGNoZWNrc3VtIC0gaXTigJlzIHRoZSBUQ1Av VURQIGNoZWNrc3VtIChMNCkgdGhhdOKAmXMgbm90IGdldHRpbmcgY29tcHV0ZWQuIEluIGZhY3Qg dGhlIElQIGNoZWNrc3VtIGlzIGNvbWluZyBjb3JyZWN0bHkgYmVjYXVzZSB3ZSBhcmUgaGFuZGlu ZyBpdCBpbiBzb2Z0d2FyZS4gVGhlIGRyaXZlciB3aGVuIHF1ZXJpZWQgcmV0dXJucyBUWCBvZmZs b2FkIGZsYWdzIHdpdGggdGhlIElQIGhlYWRlciBjaGVja3N1bSBiaXQgb2ZmLCBidXQgTDQgY2hl Y2tzdW0gKFRDUCAmIFVEUCkgYXJlIGF2YWlsYWJsZS4gVGhlIFVEUCBjaGVja3N1bSBnZXRzIGNv bXB1dGVkIGNvcnJlY3RseSBpZiBhbmQgb25seSBpZiB0aGUgbDJfbGVuIGlzIDE0LiBJbiBjYXNl IG9mIG90aGVyIGVuY2Fwc3VsYXRpb25zLCBlLmcuIHBwcG9lIChsMl9sZW49MjIpLCB0aGlzIGNo ZWNrc3VtIGNvbXB1dGF0aW9uIGlzIGJlaW5nIHNraXBwZWQgYW5kIHRoZSBwYWNrZXQgaXMgc2lt cGx5IHNlbnQgb3V0IHdpdGggdGhlIHBzZXVkbyBjaGVja3N1bSB2YWx1ZSBvZiB0aGUgSVAgaGVh ZGVyLiANCg0KVm14bmV0MyBiYWNrZW5kIGRvZXMgbm90IHN1cHBvcnQgRXRoZXJuZXQgKyBQUFBv RSArIFBQUCBhcyBsYXllciAyIGhlYWRlciBpZiBsNCBjaGVja3N1bSBpZiByZXF1ZXN0ZWQuDQoN Cg==