[dpdk-dev] [PATCH 07/20] net/i40e: support getting TM node type

[Wenzhuo Lu]

Add the support of the Traffic Management API,
rte_tm_node_type_get.

Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com>
---
 drivers/net/i40e/i40e_tm.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/drivers/net/i40e/i40e_tm.c b/drivers/net/i40e/i40e_tm.c
index 20172d5..899e88e 100644
--- a/drivers/net/i40e/i40e_tm.c
+++ b/drivers/net/i40e/i40e_tm.c
@@ -52,6 +52,8 @@ 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,
@@ -59,6 +61,7 @@ static int i40e_node_delete(struct rte_eth_dev *dev, uint32_t 
node_id,
        .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
@@ -549,3 +552,35 @@ static int 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;
+       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 (tm_node->reference_count)
+               *is_leaf = false;
+       else
+               *is_leaf = true;
+
+       return 0;
+}
-- 
1.9.3