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Wed, 9 Feb 2022 05:40:01 +0000 Received: from DM5PR12MB2405.namprd12.prod.outlook.com (2603:10b6:4:b2::20) by MN0PR12MB5764.namprd12.prod.outlook.com (2603:10b6:208:377::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4951.18; Wed, 9 Feb 2022 05:40:00 +0000 Received: from DM5PR12MB2405.namprd12.prod.outlook.com ([fe80::cd5b:cd8d:cd38:8c31]) by DM5PR12MB2405.namprd12.prod.outlook.com ([fe80::cd5b:cd8d:cd38:8c31%6]) with mapi id 15.20.4975.011; Wed, 9 Feb 2022 05:40:00 +0000 From: Alexander Kozyrev <akozyrev@nvidia.com> To: Ivan Malov <ivan.malov@oktetlabs.ru> CC: Jerin Jacob <jerinjacobk@gmail.com>, dpdk-dev <dev@dpdk.org>, Ori Kam <orika@nvidia.com>, "NBU-Contact-Thomas Monjalon (EXTERNAL)" <thomas@monjalon.net>, Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>, Ferruh Yigit <ferruh.yigit@intel.com>, "mohammad.abdul.awal@intel.com" <mohammad.abdul.awal@intel.com>, Qi Zhang <qi.z.zhang@intel.com>, Jerin Jacob <jerinj@marvell.com>, Ajit Khaparde <ajit.khaparde@broadcom.com> Subject: RE: [PATCH v3 03/10] ethdev: bring in async queue-based flow rules operations Thread-Topic: [PATCH v3 03/10] ethdev: bring in async queue-based flow rules operations Thread-Index: AQHYGwlnDmLMwesmoUSfsU5L65HKrKyJfvsAgAAsWwCAAB5egIAAxjig Date: Wed, 9 Feb 2022 05:40:00 +0000 Message-ID: <DM5PR12MB2405ABDE7E266C1ADBB8C6A6AF2E9@DM5PR12MB2405.namprd12.prod.outlook.com> References: <20220118153027.3947448-1-akozyrev@nvidia.com> <20220206032526.816079-1-akozyrev@nvidia.com> <20220206032526.816079-4-akozyrev@nvidia.com> <CALBAE1NACPKy5K9CjsK0avf_=QYVHnuc3b3qsMKCruSgXLObfA@mail.gmail.com> <MW2PR12MB24122EEBBF39D4E82B1DD749AF2D9@MW2PR12MB2412.namprd12.prod.outlook.com> <bb3335f1-975d-a765-c3dc-ff5033c91bd2@oktetlabs.ru> In-Reply-To: <bb3335f1-975d-a765-c3dc-ff5033c91bd2@oktetlabs.ru> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM5PR12MB2405.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 77a6a6a6-e5ef-4827-973f-08d9eb8e9d10 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Feb 2022 05:40:00.1379 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: K6an+AgLlN/AKi1P6S1nOtBrpqf29CXM7Pck+qUDZaUyl3ChKz96y93YbJZcJU7Uc6yShovCnRuGVva2az+m8A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR12MB3109 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org On Tuesday, February 8, 2022 10:24 Ivan Malov <ivan.malov@oktetlabs.ru> wro= te: > On Tue, 8 Feb 2022, Alexander Kozyrev wrote: > >> > >>> + > >>> +Enqueue creation operation > >>> +~~~~~~~~~~~~~~~~~~~~~~~~~~ > >>> + > >>> +Enqueueing a flow rule creation operation is similar to simple creat= ion. > >> > >> If it is enqueue operation, why not call it ad rte_flow_q_flow_enqueue= () > >> > >>> + > >>> +.. code-block:: c > >>> + > >>> + struct rte_flow * > >>> + rte_flow_q_flow_create(uint16_t port_id, > >>> + uint32_t queue_id, > >>> + const struct rte_flow_q_ops_attr *q_o= ps_attr, > >>> + struct rte_flow_table *table, > >>> + const struct rte_flow_item pattern[], > >>> + uint8_t pattern_template_index, > >>> + const struct rte_flow_action actions[= ], > >> > >> If I understand correctly, table is the pre-configured object that has > >> N number of patterns and N number of actions. > >> Why giving items[] and actions[] again? > > > > Table only contains templates for pattern and actions. >=20 > Then why not reflect it in the argument name? Perhaps, "template_table"? > Or even in the struct name: "struct rte_flow_template_table". > Chances are that readers will misread "rte_flow_table" > as "flow entry table" in the OpenFlow sense. > > We still need to provide the values for those templates when we create = a > flow. > > Thus we specify patterns and action here. >=20 > All of that is clear in terms of this review cycle, but please > consider improving the argument names to help future readers. Agree, it is a good idea to rename it to template_table, thanks. > > > >>> + uint8_t actions_template_index, > >>> + struct rte_flow_error *error); > >>> + > >>> +A valid handle in case of success is returned. It must be destroyed = later > >>> +by calling ``rte_flow_q_flow_destroy()`` even if the rule is rejecte= d by > >> HW. > >>> + > >>> +Enqueue destruction operation > >>> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > >> > >> Queue destruction operation. > > > > We are not destroying queue, we are enqueuing the flow destruction > operation. 7