+void get_syn_filter(uint8_t port_id);
+void get_ethertype_filter(uint8_t port_id, uint16_t index);
+void get_2tuple_filter(uint8_t port_id, uint16_t index);
+void get_5tuple_filter(uint8_t port_id, uint16_t index);
+void get_flex_filter(uint8_t port_id, uint16_t index);
+int port_id_is_invalid(portid_t port_id);
+int rx_queue_id_is_invalid(queueid_t rxq_id);
+int tx_queue_id_is_invalid(queueid_t txq_id);