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{ "id": 107953, "url": "https://patches.dpdk.org/api/covers/107953/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/cover/20220222102648.4662-1-viacheslavo@nvidia.com/", "project": { "id": 1, "url": "https://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": "<20220222102648.4662-1-viacheslavo@nvidia.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20220222102648.4662-1-viacheslavo@nvidia.com", "date": "2022-02-22T10:26:44", "name": "[v2,0/4] net/mlx5: support send scheduling for ConnectX-7", "submitter": { "id": 1926, "url": "https://patches.dpdk.org/api/people/1926/?format=api", "name": "Slava Ovsiienko", "email": "viacheslavo@nvidia.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/cover/20220222102648.4662-1-viacheslavo@nvidia.com/mbox/", "series": [ { "id": 21787, "url": "https://patches.dpdk.org/api/series/21787/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=21787", "date": "2022-02-22T10:26:44", "name": "net/mlx5: support send scheduling for ConnectX-7", "version": 2, "mbox": "https://patches.dpdk.org/series/21787/mbox/" } ], "comments": "https://patches.dpdk.org/api/covers/107953/comments/", "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 027F4A034F;\n\tTue, 22 Feb 2022 11:27:11 +0100 (CET)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 85EB240DF6;\n\tTue, 22 Feb 2022 11:27:11 +0100 (CET)", "from NAM11-BN8-obe.outbound.protection.outlook.com\n (mail-bn8nam11on2048.outbound.protection.outlook.com [40.107.236.48])\n by mails.dpdk.org (Postfix) with ESMTP id 4887740DF4\n for <dev@dpdk.org>; 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helo=mail.nvidia.com;", "From": "Viacheslav Ovsiienko <viacheslavo@nvidia.com>", "To": "<dev@dpdk.org>", "CC": "<matan@nvidia.com>, <rasland@nvidia.com>", "Subject": "[PATCH v2 0/4] net/mlx5: support send scheduling for ConnectX-7", "Date": "Tue, 22 Feb 2022 12:26:44 +0200", "Message-ID": "<20220222102648.4662-1-viacheslavo@nvidia.com>", "X-Mailer": "git-send-email 2.18.1", "In-Reply-To": "<20220214085655.22648-2-viacheslavo@nvidia.com>", "References": "<20220214085655.22648-2-viacheslavo@nvidia.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[10.126.230.35]", "X-ClientProxiedBy": "rnnvmail203.nvidia.com (10.129.68.9) To\n rnnvmail201.nvidia.com (10.129.68.8)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id": "904443d6-e430-42ba-d276-08d9f5ede049", "X-MS-TrafficTypeDiagnostic": "BYAPR12MB3416:EE_", "X-Microsoft-Antispam-PRVS": "\n <BYAPR12MB3416385F7C9CD92923E56F03DF3B9@BYAPR12MB3416.namprd12.prod.outlook.com>", "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:12.22.5.235; CTRY:US; LANG:en; SCL:1; SRV:;\n IPV:CAL; SFV:NSPM; H:mail.nvidia.com; PTR:InfoNoRecords; CAT:NONE;\n SFS:(13230001)(4636009)(36840700001)(40470700004)(46966006)(36756003)(2906002)(426003)(6666004)(4326008)(81166007)(107886003)(1076003)(26005)(86362001)(16526019)(186003)(336012)(70586007)(6286002)(82310400004)(8676002)(508600001)(966005)(2616005)(7696005)(70206006)(356005)(5660300002)(8936002)(47076005)(83380400001)(36860700001)(40460700003)(55016003)(316002)(54906003)(6916009)(36900700001);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "22 Feb 2022 10:27:06.7530 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 904443d6-e430-42ba-d276-08d9f5ede049", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.235];\n Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n DM6NAM11FT056.eop-nam11.prod.protection.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BYAPR12MB3416", "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": "Since the ConnectX-6DX the send scheduling capability is provided.\nAn application can register the dynamic field and dynamic flags\nin mbuf for timestamp and specify the desired moment of time\nthe packet should sent.\n\nThe send scheduling feature over ConnectX-6DX uses the complicated\ninfrastructure with reference Clock Queue and inter-queue synchronizing\noperations. Since ConnectX-7 the new wait descriptor format is\nintroduced where the timestamp can be promoted to hardware directly.\nThe patchset adds support for this new hardware option in PMD.\n\nSigned-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>\n\nv1: http://patches.dpdk.org/project/dpdk/cover/20220214085655.22648-1-viacheslavo@nvidia.com/\nv2: - fix compilation issues\n - rebase\n\nViacheslav Ovsiienko (4):\n common/mlx5: add send on time capability check\n net/mlx5: configure Tx queue with send on time offload\n net/mlx5: add wait on time support in Tx datapath\n doc: update send scheduling mlx5 feature description\n\n doc/guides/nics/mlx5.rst | 5 ++\n doc/guides/rel_notes/release_22_03.rst | 6 +++\n drivers/common/mlx5/mlx5_devx_cmds.c | 1 +\n drivers/common/mlx5/mlx5_devx_cmds.h | 1 +\n drivers/common/mlx5/mlx5_prm.h | 27 +++++++++-\n drivers/net/mlx5/linux/mlx5_verbs.c | 4 ++\n drivers/net/mlx5/mlx5.h | 3 ++\n drivers/net/mlx5/mlx5_devx.c | 2 +\n drivers/net/mlx5/mlx5_tx.h | 75 +++++++++++++++++++++++---\n drivers/net/mlx5/mlx5_txq.c | 18 ++++++-\n 10 files changed, 131 insertions(+), 11 deletions(-)" }