From: Moti Haimovsky <motih@mellanox.com>
Date: Mon, 9 Sep 2019 15:56:43 +0000 (+0300)
Subject: net/mlx5: support flow action search in a list
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=e4fcdcd6f72cb5e28c62fbb2b0fb98723d1d80d3;p=dpdk.git

net/mlx5: support flow action search in a list

This commit adds a helper routine that supports searching for a
specific action in a list of actions.

Signed-off-by: Moti Haimovsky <motih@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
---

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 78cc06f14f..eb360525da 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -696,6 +696,29 @@ flow_rxq_flags_clear(struct rte_eth_dev *dev)
 	}
 }
 
+/*
+ * return a pointer to the desired action in the list of actions.
+ *
+ * @param[in] actions
+ *   The list of actions to search the action in.
+ * @param[in] action
+ *   The action to find.
+ *
+ * @return
+ *   Pointer to the action in the list, if found. NULL otherwise.
+ */
+const struct rte_flow_action *
+mlx5_flow_find_action(const struct rte_flow_action *actions,
+		      enum rte_flow_action_type action)
+{
+	if (actions == NULL)
+		return NULL;
+	for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++)
+		if (actions->type == action)
+			return actions;
+	return NULL;
+}
+
 /*
  * Validate the flag action.
  *
diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
index 822ff36e7d..8d193b63cd 100644
--- a/drivers/net/mlx5/mlx5_flow.h
+++ b/drivers/net/mlx5/mlx5_flow.h
@@ -442,6 +442,9 @@ uint64_t mlx5_flow_hashfields_adjust(struct mlx5_flow *dev_flow, int tunnel,
 				     uint64_t hash_fields);
 uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
 				   uint32_t subpriority);
+const struct rte_flow_action *mlx5_flow_find_action
+					(const struct rte_flow_action *actions,
+					 enum rte_flow_action_type action);
 int mlx5_flow_validate_action_count(struct rte_eth_dev *dev,
 				    const struct rte_flow_attr *attr,
 				    struct rte_flow_error *error);