+/* The overhead from MTU to max frame size. */
+#define IXGBE_ETH_OVERHEAD (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN)
+
+/* The max frame size with default MTU */
+#define IXGBE_ETH_MAX_LEN (RTE_ETHER_MTU + IXGBE_ETH_OVERHEAD)
+
+/* bit of VXLAN tunnel type | 7 bits of zeros | 8 bits of zeros*/
+#define IXGBE_FDIR_VXLAN_TUNNEL_TYPE 0x8000
+/* bit of NVGRE tunnel type | 7 bits of zeros | 8 bits of zeros*/
+#define IXGBE_FDIR_NVGRE_TUNNEL_TYPE 0x0
+