net/mlx5: fix meter policy creation error flow

Message ID 20210609020711.7339-1-lizh@nvidia.com (mailing list archive)
State Accepted, archived
Delegated to: Raslan Darawsheh
Headers
Series net/mlx5: fix meter policy creation error flow |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-intel-Functional success Functional Testing PASS
ci/intel-Testing success Testing PASS
ci/iol-abi-testing success Testing PASS
ci/iol-testing fail Testing issues

Commit Message

Li Zhang June 9, 2021, 2:07 a.m. UTC
  When an error appears in the policy creation,
the IDs mapping between the user policy ID to
the driver policy ID is skipped.

Wrongly, the driver tried to clean the mapping in
this case what caused an error.

Skip the clearance in this case.

Fixes: afb4aa4f122 ("net/mlx5: support meter policy operations")
Cc: stable@dpdk.org

Signed-off-by: Li Zhang <lizh@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
 drivers/net/mlx5/mlx5_flow_meter.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
  

Comments

Raslan Darawsheh June 9, 2021, 1:08 p.m. UTC | #1
Hi,

> -----Original Message-----
> From: Li Zhang <lizh@nvidia.com>
> Sent: Wednesday, June 9, 2021 5:07 AM
> To: Ori Kam <orika@nvidia.com>; Slava Ovsiienko
> <viacheslavo@nvidia.com>; Matan Azrad <matan@nvidia.com>; NBU-
> Contact-Thomas Monjalon <thomas@monjalon.net>
> Cc: dev@dpdk.org; Raslan Darawsheh <rasland@nvidia.com>; Asaf Penso
> <asafp@nvidia.com>; stable@dpdk.org
> Subject: [PATCH] net/mlx5: fix meter policy creation error flow
> 
> When an error appears in the policy creation, the IDs mapping between the
> user policy ID to the driver policy ID is skipped.
> 
> Wrongly, the driver tried to clean the mapping in this case what caused an
> error.
> 
> Skip the clearance in this case.
> 
> Fixes: afb4aa4f122 ("net/mlx5: support meter policy operations")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Li Zhang <lizh@nvidia.com>
> Acked-by: Matan Azrad <matan@nvidia.com>

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh
  

Patch

diff --git a/drivers/net/mlx5/mlx5_flow_meter.c b/drivers/net/mlx5/mlx5_flow_meter.c
index 16991748dc..d7ce5cd2f6 100644
--- a/drivers/net/mlx5/mlx5_flow_meter.c
+++ b/drivers/net/mlx5/mlx5_flow_meter.c
@@ -559,7 +559,8 @@  static int
 __mlx5_flow_meter_policy_delete(struct rte_eth_dev *dev,
 			uint32_t policy_id,
 			struct mlx5_flow_meter_policy *mtr_policy,
-			struct rte_mtr_error *error)
+			struct rte_mtr_error *error,
+			bool clear_l3t)
 {
 	struct mlx5_priv *priv = dev->data->dev_private;
 	struct mlx5_flow_meter_sub_policy *sub_policy;
@@ -590,7 +591,7 @@  __mlx5_flow_meter_policy_delete(struct rte_eth_dev *dev,
 			}
 		}
 	}
-	if (priv->sh->mtrmng->policy_idx_tbl) {
+	if (priv->sh->mtrmng->policy_idx_tbl && clear_l3t) {
 		if (mlx5_l3t_clear_entry(priv->sh->mtrmng->policy_idx_tbl,
 					policy_id)) {
 			rte_spinlock_unlock(&mtr_policy->sl);
@@ -768,7 +769,7 @@  mlx5_flow_meter_policy_add(struct rte_eth_dev *dev,
 policy_add_err:
 	if (mtr_policy) {
 		ret = __mlx5_flow_meter_policy_delete(dev, policy_id,
-			mtr_policy, error);
+			mtr_policy, error, false);
 		mlx5_free(mtr_policy);
 		if (ret)
 			return ret;
@@ -815,7 +816,7 @@  mlx5_flow_meter_policy_delete(struct rte_eth_dev *dev,
 			RTE_MTR_ERROR_TYPE_METER_POLICY_ID, NULL,
 			"Meter policy id is invalid. ");
 	ret = __mlx5_flow_meter_policy_delete(dev, policy_id, mtr_policy,
-						error);
+						error, true);
 	if (ret)
 		return ret;
 	mlx5_free(mtr_policy);
@@ -1909,7 +1910,7 @@  mlx5_flow_meter_flush(struct rte_eth_dev *dev, struct rte_mtr_error *error)
 						"meter policy invalid.");
 			if (__mlx5_flow_meter_policy_delete(dev, i,
 						sub_policy->main_policy,
-						error))
+						error, true))
 				return -rte_mtr_error_set(error,
 						EINVAL,
 					RTE_MTR_ERROR_TYPE_METER_POLICY_ID,