+
+/**
+ * Create TIR using DevX API.
+ *
+ * @param[in] ctx
+ * ibv_context returned from mlx5dv_open_device.
+ * @param [in] tir_attr
+ * Pointer to TIR attributes structure.
+ *
+ * @return
+ * The DevX object created, NULL otherwise and rte_errno is set.
+ */
+struct mlx5_devx_obj *
+mlx5_devx_cmd_create_tir(struct ibv_context *ctx,
+ struct mlx5_devx_tir_attr *tir_attr)
+{
+ uint32_t in[MLX5_ST_SZ_DW(create_tir_in)] = {0};
+ uint32_t out[MLX5_ST_SZ_DW(create_tir_out)] = {0};
+ void *tir_ctx, *outer, *inner;
+ struct mlx5_devx_obj *tir = NULL;
+ int i;
+
+ tir = rte_calloc(__func__, 1, sizeof(*tir), 0);
+ if (!tir) {
+ DRV_LOG(ERR, "Failed to allocate TIR data");
+ rte_errno = ENOMEM;
+ return NULL;
+ }
+ MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
+ tir_ctx = MLX5_ADDR_OF(create_tir_in, in, ctx);
+ MLX5_SET(tirc, tir_ctx, disp_type, tir_attr->disp_type);
+ MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
+ tir_attr->lro_timeout_period_usecs);
+ MLX5_SET(tirc, tir_ctx, lro_enable_mask, tir_attr->lro_enable_mask);
+ MLX5_SET(tirc, tir_ctx, lro_max_msg_sz, tir_attr->lro_max_msg_sz);
+ MLX5_SET(tirc, tir_ctx, inline_rqn, tir_attr->inline_rqn);
+ MLX5_SET(tirc, tir_ctx, rx_hash_symmetric, tir_attr->rx_hash_symmetric);
+ MLX5_SET(tirc, tir_ctx, tunneled_offload_en,
+ tir_attr->tunneled_offload_en);
+ MLX5_SET(tirc, tir_ctx, indirect_table, tir_attr->indirect_table);
+ MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
+ MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
+ MLX5_SET(tirc, tir_ctx, transport_domain, tir_attr->transport_domain);
+ for (i = 0; i < 10; i++) {
+ MLX5_SET(tirc, tir_ctx, rx_hash_toeplitz_key[i],
+ tir_attr->rx_hash_toeplitz_key[i]);
+ }
+ outer = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_outer);
+ MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
+ tir_attr->rx_hash_field_selector_outer.l3_prot_type);
+ MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
+ tir_attr->rx_hash_field_selector_outer.l4_prot_type);
+ MLX5_SET(rx_hash_field_select, outer, selected_fields,
+ tir_attr->rx_hash_field_selector_outer.selected_fields);
+ inner = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_inner);
+ MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
+ tir_attr->rx_hash_field_selector_inner.l3_prot_type);
+ MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
+ tir_attr->rx_hash_field_selector_inner.l4_prot_type);
+ MLX5_SET(rx_hash_field_select, inner, selected_fields,
+ tir_attr->rx_hash_field_selector_inner.selected_fields);
+ tir->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
+ out, sizeof(out));
+ if (!tir->obj) {
+ DRV_LOG(ERR, "Failed to create TIR using DevX");
+ rte_errno = errno;
+ rte_free(tir);
+ return NULL;
+ }
+ tir->id = MLX5_GET(create_tir_out, out, tirn);
+ return tir;
+}