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Mon, 23 Apr 2018 23:12:40 +0000 From: Ophir Munk To: "Hu, Jiayu" , "dev@dpdk.org" , "Mark Kavanagh" CC: Thomas Monjalon , Olga Shern Thread-Topic: TCP GSO support above IPv6 Thread-Index: AdPaSHbq8t4Ov0OZQh2SjqcWQlOevwAVfkdAAC5egjA= Date: Mon, 23 Apr 2018 23:12:39 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: intel.com; dkim=none (message not signed) header.d=none;intel.com; dmarc=none action=none header.from=mellanox.com; x-originating-ip: [93.173.51.187] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; HE1PR0501MB2249; 7:uKgYXuk8mEphxIKypFzsQxX8IdyIP/5R3deC+IuKG9O9WtfRloRxdGrbgazH2DUj1w8pdKxMSEGBSQ1chfRKO7Bkz9RpSl1Jl0X7EdY3Tq5sLulsSn/jrZOksRe7pZSjTSEOtTy1kEVUa5S2cxeC9EpKrG/ybu1WQnDANLbgh+NncYkkXe2IGHCmuTUuMMVrMXRxWp9ymEDjA1hU562OOcv62SdIjHdx6LpJzRLp6CAPOtRM7wcBZlHZ2TcjkU+L x-ms-exchange-antispam-srfa-diagnostics: SOS; x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: UriScan:; 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DIR:OUT; SFP:1101; SCL:1; SRVR:HE1PR0501MB2249; H:HE1PR0501MB2314.eurprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; MLV:sfv; x-microsoft-antispam-message-info: BylCOK9pFDy+BhOcxvyO0ZWZzRRdU/jhvaIZ3E6qlBuF8fjcPHwa24zkiCVSvmMwMyIuHALuvxZvoTVzm+6lxiwMTo4k3CdLDuWVzkRf6yma1xKfIhytdGKE+u7yi11oujDx2mu2ZgxL3lzOAOkZSGL/fwFGd0ZKYdpmLqn2INSt5ohtumcovDvfwmb36g3a spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: d8a10c44-bf94-43c1-98fd-08d5a96fb5ec X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: d8a10c44-bf94-43c1-98fd-08d5a96fb5ec X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Apr 2018 23:12:40.0188 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0501MB2249 Subject: Re: [dpdk-dev] TCP GSO support above IPv6 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: Mon, 23 Apr 2018 23:12:43 -0000 Hi, Please see inline > -----Original Message----- > From: Hu, Jiayu [mailto:jiayu.hu@intel.com] > Sent: Monday, April 23, 2018 4:07 AM > To: Ophir Munk ; dev@dpdk.org; Mark Kavanagh > > Cc: Thomas Monjalon ; Olga Shern > > Subject: RE: TCP GSO support above IPv6 >=20 > Hi Ophir, >=20 > Comparing with IPv6, IPv4 is used more widely used and more popular. > Therefore, when proposed the GSO library, we just planned to support IPv4= . >=20 > Do you have any usage scenarios that depend on IPv6? The same usage scenarios with IPv4 may be applicable to IPv6 since the=20 application requesting TSO at layer 4 may not care about which IP is used a= t layer 3. >=20 > Thanks, > Jiayu > > -----Original Message----- > > From: Ophir Munk [mailto:ophirmu@mellanox.com] > > Sent: Sunday, April 22, 2018 10:45 PM > > To: dev@dpdk.org; Hu, Jiayu ; Mark Kavanagh > > > > Cc: Thomas Monjalon ; Olga Shern > > > > Subject: TCP GSO support above IPv6 > > > > Hello Jiayu, > > I wonder why librte_gso only supports TCP GSO above IPv4. > > Can you please explain why TCP GSO is not supported above IPv6? > > Are there plans to support it? > > > > Regards, > > Ophir