[dpdk-dev] [PATCH v2 1/7] net/mlx5: support for an action search in a list

[Moti Haimovsky <motih@mellanox.com>]

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>
---
 drivers/net/mlx5/mlx5_flow.c | 23 +++++++++++++++++++++++
 drivers/net/mlx5/mlx5_flow.h |  3 +++
 2 files changed, 26 insertions(+)

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 9d2c8c9..92f33d8 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -689,6 +689,29 @@ uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
 }
 
 /*
+ * 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.
  *
  * @param[in] action_flags
diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
index 822ff36..8d193b6 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);
-- 
1.8.3.1