-static void axgbe_dev_promiscuous_enable(struct rte_eth_dev *dev);
-static void axgbe_dev_promiscuous_disable(struct rte_eth_dev *dev);
-static void axgbe_dev_allmulticast_enable(struct rte_eth_dev *dev);
-static void axgbe_dev_allmulticast_disable(struct rte_eth_dev *dev);
+static int axgbe_dev_promiscuous_enable(struct rte_eth_dev *dev);
+static int axgbe_dev_promiscuous_disable(struct rte_eth_dev *dev);
+static int axgbe_dev_allmulticast_enable(struct rte_eth_dev *dev);
+static int axgbe_dev_allmulticast_disable(struct rte_eth_dev *dev);