struct bfd *bfd_ref(const struct bfd *);
void bfd_unref(struct bfd *);
-bool bfd_forwarding(const struct bfd *);
+bool bfd_forwarding(struct bfd *);
void bfd_get_status(const struct bfd *, struct smap *);
void bfd_set_netdev(struct bfd *, const struct netdev *);
-
+long long int bfd_wake_time(const struct bfd *);
#endif /* bfd.h */