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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.161 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.161) by BN8NAM11FT092.mail.protection.outlook.com (10.13.176.180) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5813.12 via Frontend Transport; Wed, 9 Nov 2022 19:07:56 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.26; Wed, 9 Nov 2022 11:07:44 -0800 Received: from nvidia.com (10.126.231.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Wed, 9 Nov 2022 11:07:41 -0800 From: Dariusz Sosnowski To: Thomas Monjalon , Ferruh Yigit , Andrew Rybchenko CC: , Aman Singh , Yuying Zhang , Matan Azrad , "Viacheslav Ovsiienko" Subject: [PATCH v2 0/3] ethdev: document special cases of port start and stop Date: Wed, 9 Nov 2022 19:06:36 +0000 Message-ID: <20221109190639.886457-1-dsosnowski@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221109163115.868939-1-dsosnowski@nvidia.com> References: MIME-Version: 1.0 X-Originating-IP: [10.126.231.35] X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT092:EE_|IA0PR12MB7652:EE_ X-MS-Office365-Filtering-Correlation-Id: 56b27760-51d1-4dce-cfbc-08dac285b61b X-LD-Processed: 43083d15-7273-40c1-b7db-39efd9ccc17a,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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CAT:NONE; SFS:(13230022)(4636009)(346002)(136003)(39860400002)(396003)(376002)(451199015)(46966006)(40470700004)(36840700001)(336012)(4326008)(47076005)(426003)(8936002)(8676002)(70586007)(36756003)(26005)(7696005)(16526019)(5660300002)(70206006)(4744005)(186003)(1076003)(2616005)(41300700001)(82740400003)(86362001)(82310400005)(356005)(40460700003)(7636003)(6286002)(83380400001)(36860700001)(2906002)(6666004)(40480700001)(478600001)(316002)(55016003)(54906003)(107886003)(110136005); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Nov 2022 19:07:56.6030 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 56b27760-51d1-4dce-cfbc-08dac285b61b X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT092.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB7652 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org This patch series attempts to address the special failure cases of rte_eth_dev_stop() and rte_eth_dev_start(). In case of starting a port, If the port depends on another one being started, PMDs might return (-EAGAIN) to notify about such situation. In case of stopping a port, If the port cannot be stopped, because other port depends on its resources, PMDs might return (-EBUSY) to notify about such situation. These cases are addressed in ethdev API docs. Testpmd is updated to allow users to manually retry start/stop operations. v2: - Fixed documentation build. Dariusz Sosnowski (3): net/mlx5: fix log level on failed transfer proxy stop doc: document E-Switch limitations with HWS in mlx5 PMD ethdev: document special cases of port start and stop app/test-pmd/testpmd.c | 10 +++++++++- doc/guides/nics/mlx5.rst | 13 +++++++++++++ drivers/net/mlx5/mlx5_trigger.c | 6 +++--- lib/ethdev/rte_ethdev.h | 9 +++++++++ 4 files changed, 34 insertions(+), 4 deletions(-)