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From: Wenzhuo Lu <wenzhuo.lu@intel.com>
To: dev@dpdk.org
Cc: jingjing.wu@intel.com, cristian.dumitrescu@intel.com,
 jasvinder.singh@intel.com, Wenzhuo Lu <wenzhuo.lu@intel.com>
Date: Sat, 27 May 2017 16:17:52 +0800
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Subject: [dpdk-dev] [PATCH 17/20] net/ixgbe: support getting TM node type
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Add the support of the Traffic Management API,
rte_tm_node_type_get.

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

diff --git a/drivers/net/ixgbe/ixgbe_tm.c b/drivers/net/ixgbe/ixgbe_tm.c
index 39ec272..68b26cc 100644
--- a/drivers/net/ixgbe/ixgbe_tm.c
+++ b/drivers/net/ixgbe/ixgbe_tm.c
@@ -51,6 +51,8 @@ static int ixgbe_node_add(struct rte_eth_dev *dev, uint32_t node_id,
 			  struct rte_tm_error *error);
 static int ixgbe_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
 			     struct rte_tm_error *error);
+static int ixgbe_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 ixgbe_tm_ops = {
 	.capabilities_get = ixgbe_tm_capabilities_get,
@@ -58,6 +60,7 @@ static int ixgbe_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
 	.shaper_profile_delete = ixgbe_shaper_profile_del,
 	.node_add = ixgbe_node_add,
 	.node_delete = ixgbe_node_delete,
+	.node_type_get = ixgbe_node_type_get,
 };
 
 int
@@ -603,3 +606,35 @@ static int ixgbe_node_delete(struct rte_eth_dev *dev, uint32_t node_id,
 
 	return 0;
 }
+
+static int
+ixgbe_node_type_get(struct rte_eth_dev *dev, uint32_t node_id,
+		    int *is_leaf, struct rte_tm_error *error)
+{
+	enum ixgbe_tm_node_type node_type;
+	struct ixgbe_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 = ixgbe_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