net/i40e: support getting TM node type

Add the support of the Traffic Management API,
rte_tm_node_type_get.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>

diff --git a/drivers/net/i40e/i40e_tm.c b/drivers/net/i40e/i40e_tm.c
index b05eff8..4e85a9d 100644 (file)
--- a/drivers/net/i40e/i40e_tm.c
+++ b/drivers/net/i40e/i40e_tm.c
@@ -53,6 +53,8 @@ static int i40e_node_add(struct rte_eth_dev *dev, uint32_t node_id,
                         struct rte_tm_error *error);
 static int i40e_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
                            struct rte_tm_error *error);
+static int i40e_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
+                             int *is_leaf, struct rte_tm_error *error);
 
 const struct rte_tm_ops i40e_tm_ops = {
        .capabilities_get = i40e_tm_capabilities_get,
@@ -60,6 +62,7 @@ const struct rte_tm_ops i40e_tm_ops = {
        .shaper_profile_delete = i40e_shaper_profile_del,
        .node_add = i40e_node_add,
        .node_delete = i40e_node_delete,
+       .node_type_get = i40e_node_type_get,
 };
 
 int
@@ -681,3 +684,35 @@ i40e_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
 
        return 0;
 }
+
+static int
+i40e_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
+                  int *is_leaf, struct rte_tm_error *error)
+{
+       enum i40e_tm_node_type node_type = I40E_TM_NODE_TYPE_MAX;
+       struct i40e_tm_node *tm_node;
+
+       if (!is_leaf || !error)
+               return -EINVAL;
+
+       if (node_id == RTE_TM_NODE_ID_NULL) {
+               error->type = RTE_TM_ERROR_TYPE_NODE_ID;
+               error->message = "invalid node id";
+               return -EINVAL;
+       }
+
+       /* check if the node id exists */
+       tm_node = i40e_tm_node_search(dev, node_id, &node_type);
+       if (!tm_node) {
+               error->type = RTE_TM_ERROR_TYPE_NODE_ID;
+               error->message = "no such node";
+               return -EINVAL;
+       }
+
+       if (node_type == I40E_TM_NODE_TYPE_QUEUE)
+               *is_leaf = true;
+       else
+               *is_leaf = false;
+
+       return 0;
+}