net/mlx5: replace verbs priorities by flow

[dpdk.git] / drivers / net / mlx5 / mlx5_flow.c

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 5e325be..8fdc6d7 100644 (file)
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -76,17 +76,17 @@ struct ibv_spec_header {
 };
 
  /**
-  * Get the maximum number of priority available.
+  * Discover the maximum number of priority available.
   *
   * @param[in] dev
   *   Pointer to Ethernet device.
   *
   * @return
-  *   number of supported Verbs flow priority on success, a negative errno
-  *   value otherwise and rte_errno is set.
+  *   number of supported flow priority on success, a negative errno value
+  *   otherwise and rte_errno is set.
   */
 int
-mlx5_verbs_max_prio(struct rte_eth_dev *dev)
+mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
 {
        struct {
                struct ibv_flow_attr attr;
@@ -106,25 +106,25 @@ mlx5_verbs_max_prio(struct rte_eth_dev *dev)
                },
        };
        struct ibv_flow *flow;
-       uint32_t verb_priorities;
        struct mlx5_hrxq *drop = mlx5_hrxq_drop_new(dev);
+       uint16_t vprio[] = { 8, 16 };
+       int i;
 
        if (!drop) {
                rte_errno = ENOTSUP;
                return -rte_errno;
        }
-       for (verb_priorities = 0; 1; verb_priorities++) {
-               flow_attr.attr.priority = verb_priorities;
-               flow = mlx5_glue->create_flow(drop->qp,
-                                             &flow_attr.attr);
+       for (i = 0; i != RTE_DIM(vprio); i++) {
+               flow_attr.attr.priority = vprio[i] - 1;
+               flow = mlx5_glue->create_flow(drop->qp, &flow_attr.attr);
                if (!flow)
                        break;
                claim_zero(mlx5_glue->destroy_flow(flow));
        }
        mlx5_hrxq_drop_release(dev);
        DRV_LOG(INFO, "port %u flow maximum priority: %d",
-               dev->data->port_id, verb_priorities);
-       return verb_priorities;
+               dev->data->port_id, vprio[i - 1]);
+       return vprio[i - 1];
 }
 
 /**
@@ -318,7 +318,7 @@ mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
        struct priv *priv = dev->data->dev_private;
        const struct rte_flow_attr attr = {
                .ingress = 1,
-               .priority = priv->config.max_verbs_prio - 1,
+               .priority = priv->config.flow_prio - 1,
        };
        struct rte_flow_item items[] = {
                {