net/mlx5: enable loopback by configured mode

Enable NIC loopback mode based on rte_eth_conf.lpbk_mode
configuration.

Signed-off-by: Dekel Peled <dekelp@mellanox.com>
Acked-by: Shahaf Shuler <shahafs@mellanox.com>

diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index 7db3f68..6df8997 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -1764,6 +1764,8 @@ mlx5_ind_table_ibv_verify(struct rte_eth_dev *dev)
  *   first queue index will be taken for the indirection table.
  * @param queues_n
  *   Number of queues.
+ * @param tunnel
+ *   Tunnel type.
  *
  * @return
  *   The Verbs object initialised, NULL otherwise and rte_errno is set.
@@ -1779,6 +1781,9 @@ mlx5_hrxq_new(struct rte_eth_dev *dev,
        struct mlx5_hrxq *hrxq;
        struct mlx5_ind_table_ibv *ind_tbl;
        struct ibv_qp *qp;
+#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
+       struct mlx5dv_qp_init_attr qp_init_attr = {0};
+#endif
        int err;
 
        queues_n = hash_fields ? queues_n : 1;
@@ -1794,6 +1799,20 @@ mlx5_hrxq_new(struct rte_eth_dev *dev,
                rss_key = rss_hash_default_key;
        }
 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
+       if (tunnel) {
+               qp_init_attr.comp_mask =
+                               MLX5DV_QP_INIT_ATTR_MASK_QP_CREATE_FLAGS;
+               qp_init_attr.create_flags = MLX5DV_QP_CREATE_TUNNEL_OFFLOADS;
+       }
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+       if (dev->data->dev_conf.lpbk_mode) {
+               /* Allow packet sent from NIC loop back w/o source MAC check. */
+               qp_init_attr.comp_mask |=
+                               MLX5DV_QP_INIT_ATTR_MASK_QP_CREATE_FLAGS;
+               qp_init_attr.create_flags |=
+                               MLX5DV_QP_CREATE_TIR_ALLOW_SELF_LOOPBACK_UC;
+       }
+#endif
        qp = mlx5_glue->dv_create_qp
                (priv->ctx,
                 &(struct ibv_qp_init_attr_ex){
@@ -1814,11 +1833,7 @@ mlx5_hrxq_new(struct rte_eth_dev *dev,
                        .rwq_ind_tbl = ind_tbl->ind_table,
                        .pd = priv->pd,
                 },
-                &(struct mlx5dv_qp_init_attr){
-                       .comp_mask = tunnel ?
-                               MLX5DV_QP_INIT_ATTR_MASK_QP_CREATE_FLAGS : 0,
-                       .create_flags = MLX5DV_QP_CREATE_TUNNEL_OFFLOADS,
-                });
+                &qp_init_attr);
 #else
        qp = mlx5_glue->create_qp_ex
                (priv->ctx,