From patchwork Thu Nov 7 08:02:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chiara Meiohas X-Patchwork-Id: 13865991 Received: from NAM10-BN7-obe.outbound.protection.outlook.com (mail-bn7nam10on2065.outbound.protection.outlook.com [40.107.92.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8DAC519AA5A; Thu, 7 Nov 2024 08:04:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.92.65 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730966665; cv=fail; b=kCHvZBerIRUHhwey+iLcETg/WZh+iUR2F4iGdzLlmM8ILzZGFwvaKmJOnORliResSuDLpdeBXQMMurkPxU2Q0xqF8wfevFGxRk3kWJ1XEa6Y6nNhHzKnzar2vAPZa+iqRfFF6SXKj/oF3+46hJPmbLW57mPN3jHDUCSYW7oclz0= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730966665; c=relaxed/simple; bh=7AzVwdMpEGTPQmg/RIQ6+6NukoZvk/ZP6u/nk8X2IMc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=hLV/hX5a9MHPxczqUddST+lsDdqoS/wRm9HlWqXik1lhMMLsTEoasce1PyOtNIbipuzzJ4UF6SEkwCi5c01dxIwHZF9NqmV4YrYfDVm8vivlc45gfyjVteCclaNywPI/ZKYcdH6fG0hfDTYwFUM7Qx+vci/ty4BMKNKSgPVDXbY= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=kgNEbIRg; arc=fail smtp.client-ip=40.107.92.65 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="kgNEbIRg" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Qcv9thAdIXJpusXr3QBvZO5RtWyKVQAVQQrS1K99EwC3vCDh7UNKOg2uzOJ71eQ0qG9ctEuJV08H5qrYjJEyvNeBfcI28pbQ/dlys6m0fVRqLhf2Of+MQxbYQUBQ2WwfQxaVAo4Zn7hKxaQzYePjkEd184kNsu+7Yq4mhGxLuCnRQJFFN5RTHGOQ8EI9nisqwIhJed++Yc58H5R8q3FZnrLQ3AzNalEBWit4jdlJrT9BuqVIRw+CTpSdjYi1T8H61XdWsZyJHMPcdYcO/k0D1k4xIaemxx8jkBByc60pRQTS2WuI6EN+vsuOSK8EuhAdYd81JMfnkr768qXm0m6P2g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=cUfGHicv0ZzVSkWw+3sDCCDZKRMBeib2hhPUSeg8NaI=; b=EKIl3+Bozn2+DvTNqrws6gpCWUSajD0hDygctUOncpQ5cA/b9yCppQN+amcBUxwmeNd/SfKKeZ2MblUll2zjd3G5VtD9ZMOJ/Gy4RV0ZPoruTvFCoqA0l0QL81zgFSTikayB1Llo6B/CCSCDedTrIDNmDCMADBf2iShlmYCp/wN38pklDYWJvPjThy4wKecaIRv/opAkro7qKbWhqWAFkQSGWBNNK9SOuc0lICXGKDhy4QVXO1Ffjyl1L66NkkNqX6onUyE36LUcgMzwSJ5ERcbQNvJCkFAGqBen3PYZsowdVc5E2eA7Xr/v3gI/tGGJMlIDMChYF8FKm71LlIPzQA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.118.232) smtp.rcpttodomain=gmail.com smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=cUfGHicv0ZzVSkWw+3sDCCDZKRMBeib2hhPUSeg8NaI=; b=kgNEbIRgOXKSRztlV09DoYB9C5zasaLH3mAJ1LQ0lBFW91ujTfw/irpLoQouSAR0vijLWT2Pt9QNHZW4JbQxYrP00mS8UtlUZNE6npeYc1isMOVTCuB3ZDBzGxqVTBBNoWu7jQYjEtAYLnVen72sMoPwldX/hT0OpybDYnSXulhTqEU/EWgjDWqwoOqrVWW5ZvzXC4g5IJGiPY9Slz3Xai3FT210OwY7plRfwHc3Ao/vowqQocWcOXuqPftaEMicClivgmzJ2ZJwfvs07yZ846oh+27PhQDTZvMMV/4mtAAEY/QioeGi8E1CUkxChL6/eYqaXfl8jXVJUQGhjtKpDg== Received: from MN2PR11CA0009.namprd11.prod.outlook.com (2603:10b6:208:23b::14) by DS7PR12MB6070.namprd12.prod.outlook.com (2603:10b6:8:9e::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8137.18; Thu, 7 Nov 2024 08:04:19 +0000 Received: from MN1PEPF0000F0DF.namprd04.prod.outlook.com (2603:10b6:208:23b:cafe::37) by MN2PR11CA0009.outlook.office365.com (2603:10b6:208:23b::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8137.19 via Frontend Transport; Thu, 7 Nov 2024 08:04:19 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.118.232) smtp.mailfrom=nvidia.com; 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 216.228.118.232 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.118.232; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.118.232) by MN1PEPF0000F0DF.mail.protection.outlook.com (10.167.242.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8137.17 via Frontend Transport; Thu, 7 Nov 2024 08:04:18 +0000 Received: from drhqmail202.nvidia.com (10.126.190.181) by mail.nvidia.com (10.127.129.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Thu, 7 Nov 2024 00:04:07 -0800 Received: from drhqmail203.nvidia.com (10.126.190.182) by drhqmail202.nvidia.com (10.126.190.181) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Thu, 7 Nov 2024 00:04:07 -0800 Received: from vdi.nvidia.com (10.127.8.11) by mail.nvidia.com (10.126.190.182) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Thu, 7 Nov 2024 00:04:05 -0800 From: Chiara Meiohas To: , CC: , , , , Chiara Meiohas , "Mark Bloch" Subject: [PATCH v2 iproute2-next 2/5] rdma: Expose whether RDMA monitoring is supported Date: Thu, 7 Nov 2024 10:02:45 +0200 Message-ID: <20241107080248.2028680-3-cmeioahs@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20241107080248.2028680-1-cmeioahs@nvidia.com> References: <20241107080248.2028680-1-cmeioahs@nvidia.com> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000F0DF:EE_|DS7PR12MB6070:EE_ X-MS-Office365-Filtering-Correlation-Id: 3ff4abd9-f724-41e6-d96c-08dcff02c80b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|376014|82310400026|61400799027; X-Microsoft-Antispam-Message-Info: 831na0vglASB/XbnjR0wG5rez4v/j4iKN7PHUxxQ5t3uUky5thu+kpSVXbg2KrKeOC4Qh6yaYHiKoEgf+Qh7bEYCoGtE3DiBygOAHcYO0MIDWyZAwpjAzNXJawKGYWtKOen/9sQJjNJkUcl+orxjHRP3JTqQ8xsfbnMF7G0uH5glZaoB/39ocPPr/tVG9+zRwR+WAdwJTPYTXnoYa1s7Pur1FECPZ4E1ktrIAxOqptG7CmfvVzTOIicHw6QZq8/7cm9xufzO0uBSPfNyxWRgZRcBH6bO0z8BNEP3VlBy+eD6ZFTGzN+XytJF4DyTC3Vp7sWgAFtVaJXaU75MM9LZB7XrgFhEpYOa0fhA8dzy5IQJGOx6ubPRLA3u4lqQ5CV7oWVOucxvjV6tLYVHzolSir5/a02uN0NfkA5iPQgr/0XxUBNrOD4Vi4Aei9mrUjaINRoDa8iiV4T0774bUMHtIHAuk1zl16CybeLgCk1a0lsCiNcGJ7uaMoAf3WYMC9f13lE69UgZkfRvvzcLjQiGS1X5Xl7BCmL6qalidgASKKVGU6gWV39Qday/aVxFjIhp1NKr1Z4dla4SGX1OfHrFUkVCy+QrB4+qwzp/9FwbIEt7wSecN4hxJqmSw9jWoQn7HyqNh32bo3I426g7ZROJZ6R+gkTRZnKBnQmt0xH3aeteuoL5RHYPpHUYfBhArRqLm0SQyiZG4C84HXe0EXL7rhqdHTQlmAg9YnR3vRWlyq/AJpiQGJhyX/ZOJo7devvsYCM8J14HZDFNzrt6NBwcHziA7MSano3bDR74jNL8Wjq9aVuM2nAoPsKxteNwYFtQaqOB+ENxcpIBwy89zgJi4OHATdV4hZsViV0TMgfbWIG3zSAU2aOPCDVWrD3J+CP4Difsg8rqQSAdyX24rQEspsQbiElabgp+GuDVu9wThHZeFlRGo/mY/uHQXWFxV7M8FYNjYbs9i0+ZRz48ZpLny5Yq6bvNgvWcutvddF9cDuP0DvDltnasMBk9dAki4kbUvwIQAq0/TLhKjmdqfycyOYtH4oyBcYCfzHcJFh7rbyGCTvqdu4jndAY5iK7VYgx9ldMuuS/aGTIKYvfk2d1/jNJHt3/0M+ax7NnXN7pemLZfsW3dpxyMJnNYDh1fD5OJdBGAFw5ptpADfJ1ahsmDsnPM8iweUS5r3ywkfU3Fyz4f/jFpW+rnaKq3WjT9Z8ALuZSwZUJ9T5jsIMqDKEA4YFTXEU0Emkiamqj4IEmAU1neZbcLnJrPI9EGFgOGfvwfPh3bzG40DwEVmhjzgK3c4KuXrRRCrFkP1uSaLu7l2raccqKNcY/YEWz4HbJXXpJjGUkMa0quqrFeGVnve4BMYY9Bt70PvRwd294qtEY8rx9jUF9QpHZaerT24rT/EAmaEcSghO8I/gXyQhrXKtj02A== X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(376014)(82310400026)(61400799027);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Nov 2024 08:04:18.9130 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3ff4abd9-f724-41e6-d96c-08dcff02c80b X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000F0DF.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB6070 From: Chiara Meiohas Extend the "rdma sys" command to display whether RDMA monitoring is supported. Example output for kernel where monitoring is supported: $ rdma sys show netns shared privileged-qkey off monitor on copy-on-fork on Example output for kernel where monitoring is not supported: $ rdma sys show netns shared privileged-qkey off monitor off copy-on-fork on Signed-off-by: Chiara Meiohas Reviewed-by: Mark Bloch --- man/man8/rdma-system.8 | 9 +++++---- rdma/sys.c | 6 ++++++ rdma/utils.c | 1 + 3 files changed, 12 insertions(+), 4 deletions(-) diff --git a/man/man8/rdma-system.8 b/man/man8/rdma-system.8 index 554938eb..5373027a 100644 --- a/man/man8/rdma-system.8 +++ b/man/man8/rdma-system.8 @@ -38,8 +38,8 @@ rdma-system \- RDMA subsystem configuration .SS rdma system set - set RDMA subsystem network namespace mode or privileged qkey mode -.SS rdma system show - display RDMA subsystem network namespace mode and -privileged qkey state +.SS rdma system show - display RDMA subsystem network namespace mode, +privileged qkey state and whether RDMA monitoring is supported. .PP .I "NEWMODE" @@ -66,8 +66,8 @@ controlled QKEY or not. .PP rdma system show .RS 4 -Shows the state of RDMA subsystem network namespace mode on the system and -the state of privileged qkey parameter. +Shows the state of RDMA subsystem network namespace mode on the system, +the state of privileged qkey parameter and whether RDMA monitor is supported. .RE .PP rdma system set netns exclusive @@ -100,6 +100,7 @@ is *not* allowed to specify a controlled QKEY. .BR rdma (8), .BR rdma-link (8), .BR rdma-resource (8), +.BR rdma-monitor (8), .BR network_namespaces (7), .BR namespaces (7), .br diff --git a/rdma/sys.c b/rdma/sys.c index 7dbe4409..9f538e41 100644 --- a/rdma/sys.c +++ b/rdma/sys.c @@ -20,6 +20,7 @@ static const char *netns_modes_str[] = { static int sys_show_parse_cb(const struct nlmsghdr *nlh, void *data) { struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; + uint8_t mon_mode = 0; bool cof = false; mnl_attr_parse(nlh, 0, rd_attr_cb, tb); @@ -48,6 +49,10 @@ static int sys_show_parse_cb(const struct nlmsghdr *nlh, void *data) } + if (tb[RDMA_NLDEV_SYS_ATTR_MONITOR_MODE]) + mon_mode = mnl_attr_get_u8(tb[RDMA_NLDEV_SYS_ATTR_MONITOR_MODE]); + print_on_off(PRINT_ANY, "monitor", "monitor %s ", mon_mode); + if (tb[RDMA_NLDEV_SYS_ATTR_COPY_ON_FORK]) cof = mnl_attr_get_u8(tb[RDMA_NLDEV_SYS_ATTR_COPY_ON_FORK]); @@ -77,6 +82,7 @@ static int sys_show(struct rd *rd) { NULL, sys_show_no_args}, { "netns", sys_show_no_args}, { "privileged-qkey", sys_show_no_args}, + { "monitor", sys_show_no_args}, { 0 } }; diff --git a/rdma/utils.c b/rdma/utils.c index bc104e0f..07cb0224 100644 --- a/rdma/utils.c +++ b/rdma/utils.c @@ -478,6 +478,7 @@ static const enum mnl_attr_data_type nldev_policy[RDMA_NLDEV_ATTR_MAX] = { [RDMA_NLDEV_ATTR_DEV_TYPE] = MNL_TYPE_U8, [RDMA_NLDEV_ATTR_PARENT_NAME] = MNL_TYPE_STRING, [RDMA_NLDEV_ATTR_EVENT_TYPE] = MNL_TYPE_U8, + [RDMA_NLDEV_SYS_ATTR_MONITOR_MODE] = MNL_TYPE_U8, }; static int rd_attr_check(const struct nlattr *attr, int *typep)