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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 MN1PEPF0000ECD5.mail.protection.outlook.com (10.167.242.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7181.14 via Frontend Transport; Wed, 10 Jan 2024 07:13:00 +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 15.2.986.41; Tue, 9 Jan 2024 23:12:39 -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 15.2.986.41; Tue, 9 Jan 2024 23:12:36 -0800 From: Gavin Li To: , , , , , CC: , Subject: [RFC 0/2] use traffic class PRM field for IPv6 modification Date: Wed, 10 Jan 2024 09:12:18 +0200 Message-ID: <20240110071220.1262271-1-gavinl@nvidia.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.126.230.35] X-ClientProxiedBy: rnnvmail202.nvidia.com (10.129.68.7) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000ECD5:EE_|CH3PR12MB8355:EE_ X-MS-Office365-Filtering-Correlation-Id: b1c83b3a-1200-40f4-2d7a-08dc11ab944b 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: 10 Jan 2024 07:13:00.2771 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b1c83b3a-1200-40f4-2d7a-08dc11ab944b 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: MN1PEPF0000ECD5.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8355 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 New PRM defined new field OUT_IPV6_TRAFFIC_CLASS for IPv6 which will be used by both IPv6 ECN and DSCP. To apply the new ID and keep backward compatibility with different RDMA core and FW releases, 1) detect the support of the new ID in RDMA core and FW. 2) apply the new ID if possible otherwise, keep using the old ID. Gavin Li (2): net/mlx5: discover IPv6 traffic class support in RDMA core net/mlx5: use traffic class PRM field for IPv6 modification drivers/common/mlx5/mlx5_devx_cmds.c | 3 ++ drivers/common/mlx5/mlx5_devx_cmds.h | 1 + drivers/common/mlx5/mlx5_prm.h | 8 ++- drivers/net/mlx5/linux/mlx5_os.c | 5 ++ drivers/net/mlx5/mlx5.h | 1 + drivers/net/mlx5/mlx5_flow.c | 42 +++++++++++++++ drivers/net/mlx5/mlx5_flow.h | 4 ++ drivers/net/mlx5/mlx5_flow_dv.c | 78 ++++++++++++++++++++++++---- drivers/net/mlx5/mlx5_flow_hw.c | 7 +++ 9 files changed, 138 insertions(+), 11 deletions(-)