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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 CO1NAM11FT008.mail.protection.outlook.com (10.13.175.191) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6411.15 via Frontend Transport; Tue, 16 May 2023 11:26:30 +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 15.2.986.5; Tue, 16 May 2023 04:26:18 -0700 Received: from nvidia.com (10.126.231.37) 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 15.2.986.37; Tue, 16 May 2023 04:26:14 -0700 From: Tal Shnaiderman To: CC: , , , , , Subject: [PATCH v2 2/3] net/mlx5: support CQE compression on Windows Date: Tue, 16 May 2023 14:25:47 +0300 Message-ID: <20230516112548.6848-3-talshn@nvidia.com> X-Mailer: git-send-email 2.16.1.windows.4 In-Reply-To: <20230516112548.6848-1-talshn@nvidia.com> References: <20230516112548.6848-1-talshn@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [10.126.231.37] 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: CO1NAM11FT008:EE_|PH0PR12MB5418:EE_ X-MS-Office365-Filtering-Correlation-Id: 9bc2e675-aaa0-45cf-d4f8-08db56006551 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: 16 May 2023 11:26:30.1501 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9bc2e675-aaa0-45cf-d4f8-08db56006551 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: CO1NAM11FT008.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB5418 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 CQE Compression reduces PCI overhead by coalescing and compressing multiple CQEs into a single merged CQE. Add supported for the CQE compression feature on Windows. feature is enabled by default unless not supported by the HW or if the rxq_cqe_comp_en PMD argument is explicitly disabled. Signed-off-by: Tal Shnaiderman Tested-by: Pier Damouny Acked-by: Matan Azrad --- drivers/common/mlx5/mlx5_devx_cmds.c | 2 ++ drivers/common/mlx5/mlx5_devx_cmds.h | 1 + drivers/net/mlx5/windows/mlx5_os.c | 12 ++++++++++++ 3 files changed, 15 insertions(+) diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c index 096bd1d520..a31e4995f5 100644 --- a/drivers/common/mlx5/mlx5_devx_cmds.c +++ b/drivers/common/mlx5/mlx5_devx_cmds.c @@ -1062,6 +1062,8 @@ mlx5_devx_cmd_query_hca_attr(void *ctx, attr->cqe_compression = MLX5_GET(cmd_hca_cap, hcattr, cqe_compression); attr->mini_cqe_resp_flow_tag = MLX5_GET(cmd_hca_cap, hcattr, mini_cqe_resp_flow_tag); + attr->cqe_compression_128 = MLX5_GET(cmd_hca_cap, hcattr, + cqe_compression_128); attr->mini_cqe_resp_l3_l4_tag = MLX5_GET(cmd_hca_cap, hcattr, mini_cqe_resp_l3_l4_tag); attr->enhanced_cqe_compression = MLX5_GET(cmd_hca_cap, hcattr, diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h index 9e7992b1c6..edcd867c4e 100644 --- a/drivers/common/mlx5/mlx5_devx_cmds.h +++ b/drivers/common/mlx5/mlx5_devx_cmds.h @@ -284,6 +284,7 @@ struct mlx5_hca_attr { uint16_t max_wqe_sz_sq; uint32_t striding_rq:1; uint32_t ext_stride_num_range:1; + uint32_t cqe_compression_128:1; uint32_t set_reg_c:8; uint32_t nic_flow_table:1; uint32_t modify_outer_ip_ecn:1; diff --git a/drivers/net/mlx5/windows/mlx5_os.c b/drivers/net/mlx5/windows/mlx5_os.c index 0caa8931e4..6527269663 100644 --- a/drivers/net/mlx5/windows/mlx5_os.c +++ b/drivers/net/mlx5/windows/mlx5_os.c @@ -237,6 +237,18 @@ mlx5_os_capabilities_prepare(struct mlx5_dev_ctx_shared *sh) } else { DRV_LOG(DEBUG, "Tunnel offloading is not supported."); } + sh->dev_cap.cqe_comp = 0; +#if (RTE_CACHE_LINE_SIZE == 128) + if (hca_attr->cqe_compression_128) + sh->dev_cap.cqe_comp = 1; + DRV_LOG(DEBUG, "Rx CQE 128B compression is %ssupported.", + sh->dev_cap.cqe_comp ? "" : "not "); +#else + if (hca_attr->cqe_compression) + sh->dev_cap.cqe_comp = 1; + DRV_LOG(DEBUG, "Rx CQE compression is %ssupported.", + sh->dev_cap.cqe_comp ? "" : "not "); +#endif snprintf(sh->dev_cap.fw_ver, 64, "%x.%x.%04x", MLX5_GET(initial_seg, pv_iseg, fw_rev_major), MLX5_GET(initial_seg, pv_iseg, fw_rev_minor),