+void app_stat(void);
+int subport_stat(uint8_t port_id, uint32_t subport_id);
+int pipe_stat(uint8_t port_id, uint32_t subport_id, uint32_t pipe_id);
+int qavg_q(uint8_t port_id, uint32_t subport_id, uint32_t pipe_id, uint8_t tc, uint8_t q);
+int qavg_tcpipe(uint8_t port_id, uint32_t subport_id, uint32_t pipe_id, uint8_t tc);
+int qavg_pipe(uint8_t port_id, uint32_t subport_id, uint32_t pipe_id);
+int qavg_tcsubport(uint8_t port_id, uint32_t subport_id, uint8_t tc);
+int qavg_subport(uint8_t port_id, uint32_t subport_id);