[dpdk-dev] [PATCH 1/6] net/i40e: fix TM node parameter checking

[Wenzhuo Lu]

Only queue nodes should be taken as leaf nodes, all
the other nodes are non-leaf nodes.
Correct it when checking the parameters of the TM
nodes.

Fixes: 03a249b62bbd ("net/i40e: support adding TM node")
Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com>
---
 drivers/net/i40e/i40e_tm.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/net/i40e/i40e_tm.c b/drivers/net/i40e/i40e_tm.c
index d90313a..fe99215 100644
--- a/drivers/net/i40e/i40e_tm.c
+++ b/drivers/net/i40e/i40e_tm.c
@@ -374,11 +374,13 @@ static int i40e_hierarchy_commit(struct rte_eth_dev *dev,
 }
 
 static int
-i40e_node_param_check(uint32_t node_id, uint32_t parent_node_id,
+i40e_node_param_check(struct rte_eth_dev *dev, uint32_t node_id,
                      uint32_t priority, uint32_t weight,
                      struct rte_tm_node_params *params,
                      struct rte_tm_error *error)
 {
+       struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
        if (node_id == RTE_TM_NODE_ID_NULL) {
                error->type = RTE_TM_ERROR_TYPE_NODE_ID;
                error->message = "invalid node id";
@@ -409,8 +411,8 @@ static int i40e_hierarchy_commit(struct rte_eth_dev *dev,
                return -EINVAL;
        }
 
-       /* for root node */
-       if (parent_node_id == RTE_TM_NODE_ID_NULL) {
+       /* for non-leaf node */
+       if (node_id >= hw->func_caps.num_tx_qp) {
                if (params->nonleaf.wfq_weight_mode) {
                        error->type =
                                RTE_TM_ERROR_TYPE_NODE_PARAMS_WFQ_WEIGHT_MODE;
@@ -433,7 +435,7 @@ static int i40e_hierarchy_commit(struct rte_eth_dev *dev,
                return 0;
        }
 
-       /* for TC or queue node */
+       /* for leaf node */
        if (params->leaf.cman) {
                error->type = RTE_TM_ERROR_TYPE_NODE_PARAMS_CMAN;
                error->message = "Congestion management not supported";
@@ -494,7 +496,7 @@ static int i40e_hierarchy_commit(struct rte_eth_dev *dev,
                return -EINVAL;
        }
 
-       ret = i40e_node_param_check(node_id, parent_node_id, priority, weight,
+       ret = i40e_node_param_check(dev, node_id, priority, weight,
                                    params, error);
        if (ret)
                return ret;
-- 
1.9.3