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CAT:NONE; SFS:(4636009)(46966006)(36840700001)(6916009)(1076003)(2616005)(83380400001)(47076005)(2906002)(54906003)(5660300002)(36756003)(7696005)(508600001)(316002)(82310400003)(4326008)(8676002)(336012)(107886003)(356005)(7636003)(55016002)(6286002)(8936002)(426003)(86362001)(36860700001)(26005)(6666004)(70586007)(70206006)(16526019)(186003); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Oct 2021 12:10:53.7319 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5e4d2df7-9b71-45a8-fad8-08d988c25872 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: DM6NAM11FT017.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4477 Subject: [dpdk-dev] [PATCH 06/12] net/mlx5: query tunneling 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 tunneling supported on the NIC. Save the offloads values in a config parameter. This is needed for the following TSO support: DEV_TX_OFFLOAD_VXLAN_TNL_TSO DEV_TX_OFFLOAD_GRE_TNL_TSO DEV_TX_OFFLOAD_GENEVE_TNL_TSO Signed-off-by: Tal Shnaiderman Acked-by: Matan Azrad --- drivers/net/mlx5/mlx5.c | 14 ++++++++++++++ drivers/net/mlx5/mlx5.h | 2 ++ drivers/net/mlx5/windows/mlx5_os.c | 20 ++++++++++++++++++-- 3 files changed, 34 insertions(+), 2 deletions(-) diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index add07db755..a957bc9938 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -966,6 +966,20 @@ mlx5_get_supported_sw_parsing_offloads(const struct mlx5_hca_attr *attr) return sw_parsing_offloads; } +uint32_t +mlx5_get_supported_tunneling_offloads(const struct mlx5_hca_attr *attr) +{ + uint32_t tn_offloads = 0; + + if (attr->tunnel_stateless_vxlan) + tn_offloads |= MLX5_TUNNELED_OFFLOADS_VXLAN_CAP; + if (attr->tunnel_stateless_gre) + tn_offloads |= MLX5_TUNNELED_OFFLOADS_GRE_CAP; + if (attr->tunnel_stateless_geneve_rx) + tn_offloads |= MLX5_TUNNELED_OFFLOADS_GENEVE_CAP; + return tn_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 58f12cd75c..0dbb9aacb8 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -1830,5 +1830,7 @@ 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); +uint32_t +mlx5_get_supported_tunneling_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 1e258e044e..fab7d7efcb 100644 --- a/drivers/net/mlx5/windows/mlx5_os.c +++ b/drivers/net/mlx5/windows/mlx5_os.c @@ -171,6 +171,8 @@ mlx5_os_get_dev_attr(void *ctx, struct mlx5_dev_attr *device_attr) } device_attr->sw_parsing_offloads = mlx5_get_supported_sw_parsing_offloads(&hca_attr); + device_attr->tunnel_offloads_caps = + mlx5_get_supported_tunneling_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"); @@ -402,8 +404,22 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev, sh->device_attr.max_rwq_indirection_table_size; cqe_comp = 0; config->cqe_comp = cqe_comp; - DRV_LOG(DEBUG, "tunnel offloading is not supported"); - config->tunnel_en = 0; + config->tunnel_en = device_attr.tunnel_offloads_caps & + (MLX5_TUNNELED_OFFLOADS_VXLAN_CAP | + MLX5_TUNNELED_OFFLOADS_GRE_CAP | + MLX5_TUNNELED_OFFLOADS_GENEVE_CAP); + if (config->tunnel_en) { + DRV_LOG(DEBUG, "tunnel offloading is supported for %s%s%s", + config->tunnel_en & + MLX5_TUNNELED_OFFLOADS_VXLAN_CAP ? "[VXLAN]" : "", + config->tunnel_en & + MLX5_TUNNELED_OFFLOADS_GRE_CAP ? "[GRE]" : "", + config->tunnel_en & + MLX5_TUNNELED_OFFLOADS_GENEVE_CAP ? "[GENEVE]" : "" + ); + } else { + DRV_LOG(DEBUG, "tunnel offloading is not supported"); + } DRV_LOG(DEBUG, "MPLS over GRE/UDP tunnel offloading is no supported"); config->mpls_en = 0; /* Allocate private eth device data. */ -- 2.16.1.windows.4