+/**
+ * Get port fdir info
+ *
+ * @param port
+ * The port identifier of the Ethernet device.
+ * @param fdir_info
+ * The fdir info of the port
+ * @return
+ * - (0) if successful.
+ * - (-ENODEV) if *port* invalid.
+ * - (-ENOTSUP) if operation not supported.
+ */
+__rte_experimental
+int
+rte_pmd_i40e_get_fdir_info(uint16_t port, struct rte_eth_fdir_info *fdir_info);
+
+/**
+ * Get port fdir status
+ *
+ * @param port
+ * The port identifier of the Ethernet device.
+ * @param fdir_stat
+ * The fdir status of the port
+ * @return
+ * - (0) if successful.
+ * - (-ENODEV) if *port* invalid.
+ * - (-ENOTSUP) if operation not supported.
+ */
+__rte_experimental
+int
+rte_pmd_i40e_get_fdir_stats(uint16_t port,
+ struct rte_eth_fdir_stats *fdir_stat);
+
+/**
+ * Set GRE key length
+ *
+ * @param port
+ * The port identifier of the Ethernet device.
+ * @param len
+ * Length of gre-key
+ * @return
+ * - (0) if successful.
+ * - (-ENODEV) if *port* invalid.
+ * - (-ENOTSUP) if operation not supported.
+ */
+__rte_experimental
+int
+rte_pmd_i40e_set_gre_key_len(uint16_t port, uint8_t len);
+
+/**
+ * For ipn3ke, i40e works with FPGA.
+ * In this situation, i40e get link status from fpga,
+ * fpga works as switch_dev for i40e.
+ * This function set switch_dev for i40e.
+ *
+ * @param port_id
+ * port_id of i40e device to be set switch device.
+ * @param switch_dev
+ * target switch device from which i40e device to get link status from.
+ * @return
+ * - (less than 0) if failed.
+ * - (0) if success.
+ */
+__rte_experimental
+int
+rte_pmd_i40e_set_switch_dev(uint16_t port_id, struct rte_eth_dev *switch_dev);
+
+#ifdef __cplusplus
+}
+#endif
+