2 * bfd.h: BFD definitions and structures
4 * @copyright Copyright (C) 2015 Cumulus Networks, Inc.
6 * This file is part of GNU Zebra.
8 * GNU Zebra is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2, or (at your option) any
13 * GNU Zebra is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; see the file COPYING; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28 #define BFD_DEF_MIN_RX 300
29 #define BFD_MIN_MIN_RX 50
30 #define BFD_MAX_MIN_RX 60000
31 #define BFD_DEF_MIN_TX 300
32 #define BFD_MIN_MIN_TX 50
33 #define BFD_MAX_MIN_TX 60000
34 #define BFD_DEF_DETECT_MULT 3
35 #define BFD_MIN_DETECT_MULT 2
36 #define BFD_MAX_DETECT_MULT 255
38 #define BFD_GBL_FLAG_IN_SHUTDOWN (1 << 0) /* The daemon in shutdown */
43 #define BFD_FLAG_PARAM_CFG (1 << 0) /* parameters have been configured */
44 #define BFD_FLAG_BFD_REG (1 << 1) /* Peer registered with BFD */
45 #define BFD_FLAG_BFD_TYPE_MULTIHOP (1 << 2) /* Peer registered with BFD as multihop */
47 #define BFD_STATUS_UNKNOWN (1 << 0) /* BFD session status never received */
48 #define BFD_STATUS_DOWN (1 << 1) /* BFD session status is down */
49 #define BFD_STATUS_UP (1 << 2) /* BFD session status is up */
52 BFD_TYPE_NOT_CONFIGURED
,
60 u_int32_t desired_min_tx
;
61 u_int32_t required_min_rx
;
64 enum bfd_sess_type type
;
67 extern struct bfd_info
*bfd_info_create(void);
69 extern void bfd_info_free(struct bfd_info
**bfd_info
);
71 extern int bfd_validate_param(struct vty
*vty
, const char *dm_str
,
72 const char *rx_str
, const char *tx_str
,
73 u_int8_t
*dm_val
, u_int32_t
*rx_val
,
76 extern void bfd_set_param(struct bfd_info
**bfd_info
, u_int32_t min_rx
,
77 u_int32_t min_tx
, u_int8_t detect_mult
, int defaults
,
79 extern void bfd_peer_sendmsg(struct zclient
*zclient
, struct bfd_info
*bfd_info
,
80 int family
, void *dst_ip
, void *src_ip
,
81 char *if_name
, int ttl
, int multihop
, int command
,
82 int set_flag
, vrf_id_t vrf_id
);
84 extern const char *bfd_get_command_dbg_str(int command
);
86 extern struct interface
*bfd_get_peer_info(struct stream
*s
, struct prefix
*dp
,
87 struct prefix
*sp
, int *status
,
90 const char *bfd_get_status_str(int status
);
92 extern void bfd_show_param(struct vty
*vty
, struct bfd_info
*bfd_info
,
93 int bfd_tag
, int extra_space
, u_char use_json
,
94 json_object
*json_obj
);
96 extern void bfd_show_info(struct vty
*vty
, struct bfd_info
*bfd_info
,
97 int multihop
, int extra_space
, u_char use_json
,
98 json_object
*json_obj
);
100 extern void bfd_client_sendmsg(struct zclient
*zclient
, int command
);
102 extern void bfd_gbl_init(void);
104 extern void bfd_gbl_exit(void);
106 #endif /* _ZEBRA_BFD_H */