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Thu, 16 Jul 2020 13:16:37 +0000 Received: from BN6PR11MB4052.namprd11.prod.outlook.com ([fe80::c8cb:b0d5:692d:46bb]) by BN6PR11MB4052.namprd11.prod.outlook.com ([fe80::c8cb:b0d5:692d:46bb%6]) with mapi id 15.20.3174.025; Thu, 16 Jul 2020 13:16:37 +0000 From: "Wu, Jingjing" To: "Sun, Chenmin" , "Zhang, Qi Z" , "Xing, Beilei" , "Wang, Haiyue" CC: "dev@dpdk.org" Thread-Topic: [PATCH V4 1/4] net/i40e: introducing the fdir space tracking Thread-Index: AQHWWpafnOXWVstY8kWea74fAJDhXKkKKOmg Date: Thu, 16 Jul 2020 13:16:36 +0000 Message-ID: References: <20200713222321.2118-1-chenmin.sun@intel.com> <20200715195329.34699-1-chenmin.sun@intel.com> <20200715195329.34699-2-chenmin.sun@intel.com> In-Reply-To: <20200715195329.34699-2-chenmin.sun@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.2.0.6 authentication-results: intel.com; dkim=none (message not signed) header.d=none;intel.com; dmarc=none action=none header.from=intel.com; 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DIR:OUT; SFP:1102; x-ms-exchange-antispam-messagedata: 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BN6PR11MB4052.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9482fe67-079e-45c1-4968-08d8298a781d X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Jul 2020 13:16:36.9246 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: QvUvEgTLlETlNCf6wEsqEXMb0pfs/YeELXsfmDaVDwldjV9PwCDkZs3HfX6rxWiJ31omAjHRiSkC5WjIEvkTww== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR11MB1474 X-OriginatorOrg: intel.com Subject: Re: [dpdk-dev] [PATCH V4 1/4] net/i40e: introducing the fdir space tracking 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" > -----Original Message----- > From: Sun, Chenmin > Sent: Thursday, July 16, 2020 3:53 AM > To: Zhang, Qi Z ; Xing, Beilei ; Wu, > Jingjing ; Wang, Haiyue > Cc: dev@dpdk.org; Sun, Chenmin > Subject: [PATCH V4 1/4] net/i40e: introducing the fdir space tracking >=20 > From: Chenmin Sun >=20 > This patch introduces a fdir flow management for guaranteed/shared > space tracking. > The fdir space is reported by the > i40e_hw_capabilities.fd_filters_guaranteed and fd_filters_best_effort. > The fdir space is managed by hardware and now is tracking in software. > The management algorithm is controlled by the GLQF_CTL.INVALPRIO. > Detailed implementation please check in the datasheet and the > description of struct i40e_fdir_info.fdir_invalprio. >=20 > This patch changes the global register GLQF_CTL. Therefore, when devarg > ``support-multi-driver`` is set, the patch will not take effect to > avoid affecting the normal behavior of other i40e drivers, e.g., Linux > kernel driver. >=20 > Signed-off-by: Chenmin Sun Reviewed-by: Jingjing Wu