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dpdk.org; dkim=none (message not signed) header.d=none;dpdk.org; dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.112.32 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.112.32; helo=mail.nvidia.com; Received: from mail.nvidia.com (216.228.112.32) by CO1NAM11FT063.mail.protection.outlook.com (10.13.175.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.4478.19 via Frontend Transport; Wed, 1 Sep 2021 08:55:33 +0000 Received: from DRHQMAIL107.nvidia.com (10.27.9.16) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 1 Sep 2021 01:55:33 -0700 Received: from nvidia.com (172.20.187.5) by DRHQMAIL107.nvidia.com (10.27.9.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 1 Sep 2021 08:55:32 +0000 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 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: <MN2PR12MB4030F9F94BA2ED8CF27B0022B9CD9@MN2PR12MB4030.namprd12.prod.outlook.com> X-MS-Oob-TLC-OOBClassifiers: OLM:7691; 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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:schybrid01.nvidia.com; CAT:NONE; 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); 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: 14563817-25a2-47cb-4ba2-08d96d264275 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.32]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: 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 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>, <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 Sender: "dev" <dev-bounces@dpdk.org> It is currently unspecified if flow rules and indirect actions persist across port restart and reconfiguration. Actual behavior differs between PMDs, for example, i40e and mlx5. There are patches that try to fix particular behavior [1] or at least document it for specific PMDs [2]. We propose to codify the least demanding behavior, i.e. no persistence, and to add device capabilities for persistence of rules and actions. This continues the discussion thread [3]. [1]: http://patchwork.dpdk.org/project/dpdk/list/?series=18065 [2]: http://patchwork.dpdk.org/project/dpdk/list/?series=17939 [3]: http://inbox.dpdk.org/dev/20210727073121.895620-5-dkozlyuk@nvidia.com/ Dmitry Kozlyuk (2): ethdev: add capability to keep flow rules on restart ethdev: add capability to keep indirect actions on restart doc/guides/prog_guide/rte_flow.rst | 21 +++++++++++++++++++++ lib/ethdev/rte_ethdev.h | 7 +++++++ 2 files changed, 28 insertions(+) -- 2.25.1