int stp_get_hello_time(const struct stp *);
int stp_get_max_age(const struct stp *);
int stp_get_forward_delay(const struct stp *);
+bool stp_check_and_reset_fdb_flush(struct stp *);
/* Obtaining STP ports. */
struct stp_port *stp_get_port(struct stp *, int port_no);