nest/bfd.h

   1 /*
   2  *      BIRD -- Bidirectional Forwarding Detection (BFD)
   3  *
   4  *      Can be freely distributed and used under the terms of the GNU GPL.
   5  */
   6
   7 #ifndef _BIRD_NBFD_H_
   8 #define _BIRD_NBFD_H_
   9
  10 #include "lib/lists.h"
  11 #include "lib/resource.h"
  12
  13 struct bfd_session;
  14
  15 struct bfd_request {
  16   resource r;
  17   node n;
  18
  19   ip_addr addr;
  20   ip_addr local;
  21   struct iface *iface;
  22
  23   void (*hook)(struct bfd_request *);
  24   void *data;
  25
  26   struct bfd_session *session;
  27
  28   u8 state;
  29   u8 diag;
  30   u8 old_state;
  31   u8 down;
  32 };
  33
  34
  35 #ifdef CONFIG_BFD
  36
  37 struct bfd_request * bfd_request_session(pool *p, ip_addr addr, ip_addr local, struct iface *iface, void (*hook)(struct bfd_request *), void *data);
  38
  39 static inline void cf_check_bfd(int use) { }
  40
  41 #else
  42
  43 static inline struct bfd_request * bfd_request_session(pool *p, ip_addr addr, ip_addr local, struct iface *iface, void (*hook)(struct bfd_request *), void *data) { return NULL; }
  44
  45 static inline void cf_check_bfd(int use) { if (use) cf_error("BFD not available"); }
  46
  47 #endif /* CONFIG_BFD */
  48
  49
  50
  51 #endif /* _BIRD_NBFD_H_ */