mirror of
https://gitlab.labs.nic.cz/labs/bird.git
synced 2024-05-11 16:54:54 +00:00
9d3fc3062b
BFD session options are configured per interface in BFD protocol. This patch allows to specify them also per-request in protocols requesting sessions (currently limited to BGP).
77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
/*
|
|
* BIRD -- Bidirectional Forwarding Detection (BFD)
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
#ifndef _BIRD_NBFD_H_
|
|
#define _BIRD_NBFD_H_
|
|
|
|
#include "lib/lists.h"
|
|
#include "lib/resource.h"
|
|
#include "conf/conf.h"
|
|
|
|
struct bfd_session;
|
|
|
|
struct bfd_options {
|
|
u32 min_rx_int;
|
|
u32 min_tx_int;
|
|
u32 idle_tx_int;
|
|
u8 multiplier;
|
|
u8 passive;
|
|
u8 passive_set;
|
|
u8 mode;
|
|
};
|
|
|
|
struct bfd_request {
|
|
resource r;
|
|
node n;
|
|
|
|
ip_addr addr;
|
|
ip_addr local;
|
|
struct iface *iface;
|
|
struct iface *vrf;
|
|
struct bfd_options opts;
|
|
|
|
void (*hook)(struct bfd_request *);
|
|
void *data;
|
|
|
|
struct bfd_session *session;
|
|
|
|
u8 state;
|
|
u8 diag;
|
|
u8 old_state;
|
|
u8 down;
|
|
};
|
|
|
|
#define BGP_BFD_GRACEFUL 2 /* BFD down triggers graceful restart */
|
|
|
|
#define BFD_STATE_ADMIN_DOWN 0
|
|
#define BFD_STATE_DOWN 1
|
|
#define BFD_STATE_INIT 2
|
|
#define BFD_STATE_UP 3
|
|
|
|
|
|
static inline struct bfd_options * bfd_new_options(void)
|
|
{ return cfg_allocz(sizeof(struct bfd_options)); }
|
|
|
|
#ifdef CONFIG_BFD
|
|
|
|
struct bfd_request * bfd_request_session(pool *p, ip_addr addr, ip_addr local, struct iface *iface, struct iface *vrf, void (*hook)(struct bfd_request *), void *data, const struct bfd_options *opts);
|
|
void bfd_update_request(struct bfd_request *req, const struct bfd_options *opts);
|
|
|
|
static inline void cf_check_bfd(int use UNUSED) { }
|
|
|
|
#else
|
|
|
|
static inline struct bfd_request * bfd_request_session(pool *p UNUSED, ip_addr addr UNUSED, ip_addr local UNUSED, struct iface *iface UNUSED, struct iface *vrf UNUSED, void (*hook)(struct bfd_request *) UNUSED, void *data UNUSED, const struct bfd_options *opts UNUSED) { return NULL; }
|
|
static inline void bfd_update_request(struct bfd_request *req UNUSED, const struct bfd_options *opts UNUSED) { };
|
|
|
|
static inline void cf_check_bfd(int use) { if (use) cf_error("BFD not available"); }
|
|
|
|
#endif /* CONFIG_BFD */
|
|
|
|
|
|
|
|
#endif /* _BIRD_NBFD_H_ */
|