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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 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by BN8NAM11FT090.mail.protection.outlook.com (10.13.177.105) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5813.12 via Frontend Transport; Mon, 14 Nov 2022 18:20:58 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Mon, 14 Nov 2022 10:20:42 -0800 Received: from nvidia.com (10.126.230.35) 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; Mon, 14 Nov 2022 10:20:40 -0800 From: Dariusz Sosnowski To: Thomas Monjalon , Ferruh Yigit , Andrew Rybchenko CC: , Aman Singh , Yuying Zhang , Matan Azrad , "Viacheslav Ovsiienko" Subject: [PATCH v3 0/3] ethdev: document special cases of port start and stop Date: Mon, 14 Nov 2022 18:19:53 +0000 Message-ID: <20221114181956.1052159-1-dsosnowski@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221109190639.886457-1-dsosnowski@nvidia.com> References: MIME-Version: 1.0 X-Originating-IP: [10.126.230.35] X-ClientProxiedBy: rnnvmail203.nvidia.com (10.129.68.9) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT090:EE_|CH2PR12MB4923:EE_ X-MS-Office365-Filtering-Correlation-Id: 93056ee8-2f75-4819-c9b9-08dac66cfa69 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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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Nov 2022 18:20:58.4163 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 93056ee8-2f75-4819-c9b9-08dac66cfa69 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT090.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4923 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 cannot be started and start operation must be retried, PMDs might return (-EAGAIN) to notify about such situation. In case of stopping a port, If the port cannot be stopped in the current state, 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. v3: - Allow to retry port stop in testpmd for all errors. - Made error descriptions in the API more generic and moved specific error causes descriptions to PMD. v2: - Fixed documentation build. Dariusz Sosnowski (3): net/mlx5: fix log level on failed transfer proxy stop net/mlx5: document E-Switch limitations with HWS in mlx5 PMD ethdev: document special cases of port start and stop app/test-pmd/testpmd.c | 8 +++++++- doc/guides/nics/mlx5.rst | 13 +++++++++++++ drivers/net/mlx5/mlx5_trigger.c | 17 ++++++++++++++--- lib/ethdev/rte_ethdev.h | 2 ++ 4 files changed, 36 insertions(+), 4 deletions(-)