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CAT:NONE; SFS:(4636009)(36840700001)(46966006)(336012)(16526019)(7636003)(316002)(8936002)(83380400001)(426003)(26005)(6666004)(107886003)(36906005)(186003)(86362001)(54906003)(47076005)(55016002)(356005)(36860700001)(7696005)(4326008)(508600001)(2906002)(70206006)(70586007)(8676002)(2616005)(1076003)(6916009)(36756003)(6286002)(82310400003)(5660300002); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Oct 2021 12:46:38.1910 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cb129c9d-8fb2-4bff-79e6-08d98d7e551f X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.34]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT008.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN9PR12MB5337 Subject: [dpdk-dev] [PATCH v2 03/13] net/mlx5: query software parsing support on Windows 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 Sender: "dev" Query software parsing supported on the NIC. Save the offloads values in a config parameter. This is needed for the outer IPv4 checksum and IP and UPD tunneled packet TSO support. Signed-off-by: Tal Shnaiderman Acked-by: Matan Azrad Tested-by: Idan Hackmon --- drivers/net/mlx5/mlx5.c | 16 ++++++++++++++++ drivers/net/mlx5/mlx5.h | 2 ++ drivers/net/mlx5/windows/mlx5_os.c | 6 +++++- drivers/net/mlx5/windows/mlx5_os.h | 6 ++++++ 4 files changed, 29 insertions(+), 1 deletion(-) diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index 45ccfe2784..add07db755 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -950,6 +950,22 @@ mlx5_flex_parser_ecpri_release(struct rte_eth_dev *dev) prf->obj = NULL; } +uint32_t +mlx5_get_supported_sw_parsing_offloads(const struct mlx5_hca_attr *attr) +{ + uint32_t sw_parsing_offloads = 0; + + if (attr->swp) { + sw_parsing_offloads |= MLX5_SW_PARSING_CAP; + if (attr->swp_csum) + sw_parsing_offloads |= MLX5_SW_PARSING_CSUM_CAP; + + if (attr->swp_lso) + sw_parsing_offloads |= MLX5_SW_PARSING_TSO_CAP; + } + return sw_parsing_offloads; +} + /* * Allocate Rx and Tx UARs in robust fashion. * This routine handles the following UAR allocation issues: diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index edb4f26d42..0694927457 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -1828,5 +1828,7 @@ int mlx5_aso_ct_query_by_wqe(struct mlx5_dev_ctx_shared *sh, struct rte_flow_action_conntrack *profile); int mlx5_aso_ct_available(struct mlx5_dev_ctx_shared *sh, struct mlx5_aso_ct_action *ct); +uint32_t +mlx5_get_supported_sw_parsing_offloads(const struct mlx5_hca_attr *attr); #endif /* RTE_PMD_MLX5_H_ */ diff --git a/drivers/net/mlx5/windows/mlx5_os.c b/drivers/net/mlx5/windows/mlx5_os.c index 26fa927039..1e258e044e 100644 --- a/drivers/net/mlx5/windows/mlx5_os.c +++ b/drivers/net/mlx5/windows/mlx5_os.c @@ -169,6 +169,8 @@ mlx5_os_get_dev_attr(void *ctx, struct mlx5_dev_attr *device_attr) device_attr->max_rwq_indirection_table_size = 1 << hca_attr.rss_ind_tbl_cap; } + device_attr->sw_parsing_offloads = + mlx5_get_supported_sw_parsing_offloads(&hca_attr); pv_iseg = mlx5_glue->query_hca_iseg(mlx5_ctx, &cb_iseg); if (pv_iseg == NULL) { DRV_LOG(ERR, "Failed to get device hca_iseg"); @@ -393,7 +395,9 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev, } DRV_LOG(DEBUG, "MPW isn't supported"); mlx5_os_get_dev_attr(sh->ctx, &device_attr); - config->swp = 0; + config->swp = device_attr.sw_parsing_offloads & + (MLX5_SW_PARSING_CAP | MLX5_SW_PARSING_CSUM_CAP | + MLX5_SW_PARSING_TSO_CAP); config->ind_table_max_size = sh->device_attr.max_rwq_indirection_table_size; cqe_comp = 0; diff --git a/drivers/net/mlx5/windows/mlx5_os.h b/drivers/net/mlx5/windows/mlx5_os.h index 7fe41d4e90..6de683357c 100644 --- a/drivers/net/mlx5/windows/mlx5_os.h +++ b/drivers/net/mlx5/windows/mlx5_os.h @@ -16,4 +16,10 @@ enum { #define MLX5_NAMESIZE MLX5_FS_NAME_MAX +enum mlx5_sw_parsing_offloads { + MLX5_SW_PARSING_CAP = 1 << 0, + MLX5_SW_PARSING_CSUM_CAP = 1 << 1, + MLX5_SW_PARSING_TSO_CAP = 1 << 2, +}; + #endif /* RTE_PMD_MLX5_OS_H_ */ -- 2.16.1.windows.4