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GET /api/patches/133670/?format=api
{ "id": 133670, "url": "http://patches.dpdk.org/api/patches/133670/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20231031142733.2009166-6-dsosnowski@nvidia.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20231031142733.2009166-6-dsosnowski@nvidia.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20231031142733.2009166-6-dsosnowski@nvidia.com", "date": "2023-10-31T14:27:30", "name": "[5/8] net/mlx5: add checking Multiport E-Switch state", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "2ee2b069e766254e5219e52481686aff284cacea", "submitter": { "id": 2386, "url": "http://patches.dpdk.org/api/people/2386/?format=api", "name": "Dariusz Sosnowski", "email": "dsosnowski@nvidia.com" }, "delegate": { "id": 3268, "url": "http://patches.dpdk.org/api/users/3268/?format=api", "username": "rasland", "first_name": "Raslan", "last_name": "Darawsheh", "email": "rasland@nvidia.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20231031142733.2009166-6-dsosnowski@nvidia.com/mbox/", "series": [ { "id": 30075, "url": "http://patches.dpdk.org/api/series/30075/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=30075", "date": "2023-10-31T14:27:26", "name": "net/mlx5: add Multiport E-Switch support", "version": 1, "mbox": "http://patches.dpdk.org/series/30075/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/133670/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/133670/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 0E9A543252;\n\tTue, 31 Oct 2023 15:28:22 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id CA86240A81;\n\tTue, 31 Oct 2023 15:28:17 +0100 (CET)", "from NAM02-BN1-obe.outbound.protection.outlook.com\n (mail-bn1nam02on2041.outbound.protection.outlook.com [40.107.212.41])\n by mails.dpdk.org (Postfix) with ESMTP id 7FD2A40A7F\n for <dev@dpdk.org>; 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helo=mail.nvidia.com; pr=C", "From": "Dariusz Sosnowski <dsosnowski@nvidia.com>", "To": "Matan Azrad <matan@nvidia.com>, Viacheslav Ovsiienko\n <viacheslavo@nvidia.com>, Ori Kam <orika@nvidia.com>, Suanming Mou\n <suanmingm@nvidia.com>", "CC": "<dev@dpdk.org>, Raslan Darawsheh <rasland@nvidia.com>", "Subject": "[PATCH 5/8] net/mlx5: add checking Multiport E-Switch state", "Date": "Tue, 31 Oct 2023 16:27:30 +0200", "Message-ID": "<20231031142733.2009166-6-dsosnowski@nvidia.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20231031142733.2009166-1-dsosnowski@nvidia.com>", "References": "<20231031142733.2009166-1-dsosnowski@nvidia.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Originating-IP": "[10.126.231.35]", "X-ClientProxiedBy": "rnnvmail202.nvidia.com (10.129.68.7) To\n rnnvmail201.nvidia.com (10.129.68.8)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "CY4PEPF0000EDD3:EE_|CY8PR12MB7756:EE_", "X-MS-Office365-Filtering-Correlation-Id": "8bf4fa95-d234-4f78-1a83-08dbda1d9e0f", "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:216.228.117.161; CTRY:US; LANG:en; SCL:1;\n SRV:;\n IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge2.nvidia.com; CAT:NONE;\n SFS:(13230031)(4636009)(346002)(39860400002)(136003)(376002)(396003)(230922051799003)(451199024)(1800799009)(82310400011)(64100799003)(186009)(36840700001)(46966006)(40470700004)(40480700001)(55016003)(40460700003)(6286002)(2616005)(1076003)(26005)(16526019)(478600001)(6666004)(7696005)(36860700001)(426003)(336012)(47076005)(83380400001)(2906002)(70586007)(110136005)(41300700001)(70206006)(107886003)(8676002)(4326008)(54906003)(316002)(6636002)(5660300002)(8936002)(356005)(7636003)(82740400003)(86362001)(36756003);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "31 Oct 2023 14:28:14.2660 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 8bf4fa95-d234-4f78-1a83-08dbda1d9e0f", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161];\n Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n CY4PEPF0000EDD3.namprd03.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "CY8PR12MB7756", "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" }, "content": "This patch implements checking if Multiport E-Switch is enabled\non a given PCI device. mlx5_is_mpesw_enabled() implements this\nfunctionality and it will be used in a follow up commit.\n\nmlx5_is_mpesw_enabled() first checks if E-Switch state can be probed\nusing Devlink device parameter. If it cannot be checked or\nthere was an error, then sysfs interface will be probed.\nIf that fails, mlx5_is_mpesw_enabled() assumes that Multiport E-Switch\nis disabled and returns an error.\n\nSigned-off-by: Dariusz Sosnowski <dsosnowski@nvidia.com>\nAcked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>\n---\n drivers/net/mlx5/linux/mlx5_os.c | 51 +++++++++++++++++++++++++++++++-\n 1 file changed, 50 insertions(+), 1 deletion(-)", "diff": "diff --git a/drivers/net/mlx5/linux/mlx5_os.c b/drivers/net/mlx5/linux/mlx5_os.c\nindex 7a656a7237..8a57edc470 100644\n--- a/drivers/net/mlx5/linux/mlx5_os.c\n+++ b/drivers/net/mlx5/linux/mlx5_os.c\n@@ -1931,9 +1931,38 @@ mlx5_device_bond_pci_match(const char *ibdev_name,\n \treturn pf;\n }\n \n+static int\n+mlx5_nl_esw_multiport_get(struct rte_pci_addr *pci_addr, int *enabled)\n+{\n+\tchar pci_addr_str[PCI_PRI_STR_SIZE] = { 0 };\n+\tint nlsk_fd;\n+\tint devlink_id;\n+\tint ret;\n+\n+\t/* Provide correct value to have defined enabled state in case of an error. */\n+\t*enabled = 0;\n+\trte_pci_device_name(pci_addr, pci_addr_str, sizeof(pci_addr_str));\n+\tnlsk_fd = mlx5_nl_init(NETLINK_GENERIC, 0);\n+\tif (nlsk_fd < 0)\n+\t\treturn nlsk_fd;\n+\tdevlink_id = mlx5_nl_devlink_family_id_get(nlsk_fd);\n+\tif (devlink_id < 0) {\n+\t\tret = devlink_id;\n+\t\tDRV_LOG(DEBUG, \"Unable to get devlink family id for Multiport E-Switch checks \"\n+\t\t\t \"by netlink, for PCI device %s\", pci_addr_str);\n+\t\tgoto close_nlsk_fd;\n+\t}\n+\tret = mlx5_nl_devlink_esw_multiport_get(nlsk_fd, devlink_id, pci_addr_str, enabled);\n+\tif (ret < 0)\n+\t\tDRV_LOG(DEBUG, \"Unable to get Multiport E-Switch state by Netlink.\");\n+close_nlsk_fd:\n+\tclose(nlsk_fd);\n+\treturn ret;\n+}\n+\n #define SYSFS_MPESW_PARAM_MAX_LEN 16\n \n-static __rte_unused int\n+static int\n mlx5_sysfs_esw_multiport_get(struct ibv_device *ibv, struct rte_pci_addr *pci_addr, int *enabled)\n {\n \tint nl_rdma;\n@@ -2000,6 +2029,26 @@ mlx5_sysfs_esw_multiport_get(struct ibv_device *ibv, struct rte_pci_addr *pci_ad\n \treturn ret;\n }\n \n+static __rte_unused int\n+mlx5_is_mpesw_enabled(struct ibv_device *ibv, struct rte_pci_addr *ibv_pci_addr, int *enabled)\n+{\n+\t/*\n+\t * Try getting Multiport E-Switch state through netlink interface\n+\t * If unable, try sysfs interface. If that is unable as well,\n+\t * assume that Multiport E-Switch is disabled and return an error.\n+\t */\n+\tif (mlx5_nl_esw_multiport_get(ibv_pci_addr, enabled) >= 0 ||\n+\t mlx5_sysfs_esw_multiport_get(ibv, ibv_pci_addr, enabled) >= 0)\n+\t\treturn 0;\n+\tDRV_LOG(DEBUG, \"Unable to check MPESW state for IB device %s \"\n+\t\t \"(PCI: \" PCI_PRI_FMT \")\",\n+\t\t ibv->name,\n+\t\t ibv_pci_addr->domain, ibv_pci_addr->bus,\n+\t\t ibv_pci_addr->devid, ibv_pci_addr->function);\n+\t*enabled = 0;\n+\treturn -rte_errno;\n+}\n+\n /**\n * Register a PCI device within bonding.\n *\n", "prefixes": [ "5/8" ] }