Update flow creation/destroy functions for future reuse.
List operations can be skipped inside functions and done
separately out of flow creation.
Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Acked-by: Matan Azrad <matan@mellanox.com>
---
drivers/net/mlx5/mlx5_flow.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
@@ -2736,7 +2736,10 @@ uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
* @param dev
* Pointer to Ethernet device.
* @param list
- * Pointer to a TAILQ flow list.
+ * Pointer to a TAILQ flow list. If this parameter NULL,
+ * no list insertion occurred, flow is just created,
+ * this is caller's responsibility to track the
+ * created flow.
* @param[in] attr
* Flow rule attributes.
* @param[in] items
@@ -2881,7 +2884,8 @@ uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
if (ret < 0)
goto error;
}
- TAILQ_INSERT_TAIL(list, flow, next);
+ if (list)
+ TAILQ_INSERT_TAIL(list, flow, next);
flow_rxq_flags_set(dev, flow);
return flow;
error_before_flow:
@@ -2975,7 +2979,8 @@ struct rte_flow *
* @param dev
* Pointer to Ethernet device.
* @param list
- * Pointer to a TAILQ flow list.
+ * Pointer to a TAILQ flow list. If this parameter NULL,
+ * there is no flow removal from the list.
* @param[in] flow
* Flow to destroy.
*/
@@ -2995,7 +3000,8 @@ struct rte_flow *
mlx5_flow_id_release(priv->sh->flow_id_pool,
flow->hairpin_flow_id);
flow_drv_destroy(dev, flow);
- TAILQ_REMOVE(list, flow, next);
+ if (list)
+ TAILQ_REMOVE(list, flow, next);
rte_free(flow->fdir);
rte_free(flow);
}