net/mlx5: add flow stop/start

Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Yongseok Koh <yskoh@mellanox.com>

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 6041a45..77f1bd5 100644 (file)
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -908,9 +908,12 @@ mlx5_flow_list_flush(struct rte_eth_dev *dev, struct mlx5_flows *list)
  *   Pointer to a TAILQ flow list.
  */
 void
-mlx5_flow_stop(struct rte_eth_dev *dev __rte_unused,
-              struct mlx5_flows *list __rte_unused)
+mlx5_flow_stop(struct rte_eth_dev *dev, struct mlx5_flows *list)
 {
+       struct rte_flow *flow;
+
+       TAILQ_FOREACH_REVERSE(flow, list, mlx5_flows, next)
+               mlx5_flow_remove(dev, flow);
 }
 
 /**
@@ -925,10 +928,23 @@ mlx5_flow_stop(struct rte_eth_dev *dev __rte_unused,
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
-mlx5_flow_start(struct rte_eth_dev *dev __rte_unused,
-               struct mlx5_flows *list __rte_unused)
+mlx5_flow_start(struct rte_eth_dev *dev, struct mlx5_flows *list)
 {
+       struct rte_flow *flow;
+       struct rte_flow_error error;
+       int ret = 0;
+
+       TAILQ_FOREACH(flow, list, next) {
+               ret = mlx5_flow_apply(dev, flow, &error);
+               if (ret < 0)
+                       goto error;
+       }
        return 0;
+error:
+       ret = rte_errno; /* Save rte_errno before cleanup. */
+       mlx5_flow_stop(dev, list);
+       rte_errno = ret; /* Restore rte_errno. */
+       return -rte_errno;
 }
 
 /**