net/mlx5e: TC, Move common flow_action checks into function

Remove duplicate checks on flow_action by using common function.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

@@ -3445,18 +3445,9 @@ actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv,
 }
 
 static int
-parse_tc_nic_actions(struct mlx5e_priv *priv,
-		     struct flow_action *flow_action,
-		     struct mlx5e_tc_flow *flow,
+flow_action_supported(struct flow_action *flow_action,
 		      struct netlink_ext_ack *extack)
 {
-	struct mlx5e_tc_flow_parse_attr *parse_attr;
-	struct mlx5_flow_attr *attr = flow->attr;
-	struct pedit_headers_action hdrs[2] = {};
-	const struct flow_action_entry *act;
-	struct mlx5_nic_flow_attr *nic_attr;
-	int err, i;
-
 	if (!flow_action_has_entries(flow_action)) {
 		NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries");
 		return -EINVAL;
@@ -3468,6 +3459,26 @@ parse_tc_nic_actions(struct mlx5e_priv *priv,
 		return -EOPNOTSUPP;
 	}
 
+	return 0;
+}
+
+static int
+parse_tc_nic_actions(struct mlx5e_priv *priv,
+		     struct flow_action *flow_action,
+		     struct mlx5e_tc_flow *flow,
+		     struct netlink_ext_ack *extack)
+{
+	struct mlx5e_tc_flow_parse_attr *parse_attr;
+	struct mlx5_flow_attr *attr = flow->attr;
+	struct pedit_headers_action hdrs[2] = {};
+	const struct flow_action_entry *act;
+	struct mlx5_nic_flow_attr *nic_attr;
+	int err, i;
+
+	err = flow_action_supported(flow_action, extack);
+	if (err)
+		return err;
+
 	nic_attr = attr->nic_attr;
 	nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG;
 	parse_attr = attr->parse_attr;
@@ -3883,16 +3894,9 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
 	bool ptype_host = false;
 	bool mpls_push = false;
 
-	if (!flow_action_has_entries(flow_action)) {
-		NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries");
-		return -EINVAL;
-	}
-
-	if (!flow_action_hw_stats_check(flow_action, extack,
-					FLOW_ACTION_HW_STATS_DELAYED_BIT)) {
-		NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported");
-		return -EOPNOTSUPP;
-	}
+	err = flow_action_supported(flow_action, extack);
+	if (err)
+		return err;
 
 	esw_attr = attr->esw_attr;
 	parse_attr = attr->parse_attr;