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helo=mail.nvidia.com;", "From": "Dmitry Kozlyuk <dkozlyuk@nvidia.com>", "To": "<dev@dpdk.org>", "Date": "Wed, 1 Sep 2021 11:55:14 +0300", "Message-ID": "<20210901085516.3647814-1-dkozlyuk@nvidia.com>", "X-Mailer": "git-send-email 2.25.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Originating-IP": "[172.20.187.5]", "X-ClientProxiedBy": "HQMAIL105.nvidia.com (172.20.187.12) To\n DRHQMAIL107.nvidia.com (10.27.9.16)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id": "14563817-25a2-47cb-4ba2-08d96d264275", "X-MS-TrafficTypeDiagnostic": "MN2PR12MB4030:", "X-Microsoft-Antispam-PRVS": "\n <MN2PR12MB4030F9F94BA2ED8CF27B0022B9CD9@MN2PR12MB4030.namprd12.prod.outlook.com>", "X-MS-Oob-TLC-OOBClassifiers": "OLM:7691;", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:216.228.112.32; CTRY:US; LANG:en; SCL:1;\n SRV:;\n IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:schybrid01.nvidia.com; CAT:NONE;\n SFS:(4636009)(36840700001)(46966006)(6286002)(2906002)(36860700001)(55016002)(508600001)(82310400003)(426003)(86362001)(8936002)(316002)(5660300002)(2616005)(83380400001)(47076005)(6666004)(70586007)(7636003)(4744005)(70206006)(966005)(8676002)(7696005)(186003)(16526019)(1076003)(356005)(6916009)(336012)(36756003)(26005);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "01 Sep 2021 08:55:33.9754 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 14563817-25a2-47cb-4ba2-08d96d264275", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.32];\n Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n CO1NAM11FT063.eop-nam11.prod.protection.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "MN2PR12MB4030", "Subject": "[dpdk-dev] [RFC PATCH 0/2] Flow entities behavior across port\n restart", "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>,\n <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>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "It is currently unspecified if flow rules and indirect actions persist\nacross port restart and reconfiguration. Actual behavior differs between\nPMDs, for example, i40e and mlx5. There are patches that try to fix\nparticular behavior [1] or at least document it for specific PMDs [2].\nWe propose to codify the least demanding behavior, i.e. no persistence,\nand to add device capabilities for persistence of rules and actions.\nThis continues the discussion thread [3].\n\n[1]: http://patchwork.dpdk.org/project/dpdk/list/?series=18065\n[2]: http://patchwork.dpdk.org/project/dpdk/list/?series=17939\n[3]: http://inbox.dpdk.org/dev/20210727073121.895620-5-dkozlyuk@nvidia.com/\n\nDmitry Kozlyuk (2):\n ethdev: add capability to keep flow rules on restart\n ethdev: add capability to keep indirect actions on restart\n\n doc/guides/prog_guide/rte_flow.rst | 21 +++++++++++++++++++++\n lib/ethdev/rte_ethdev.h | 7 +++++++\n 2 files changed, 28 insertions(+)" }