2 * Copyright (C) 2003 Yasuhiro Ohara
4 * This file is part of GNU Zebra.
6 * GNU Zebra is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2, or (at your option) any
11 * GNU Zebra is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with GNU Zebra; see the file COPYING. If not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
22 #ifndef OSPF6_NEIGHBOR_H
23 #define OSPF6_NEIGHBOR_H
26 extern unsigned char conf_debug_ospf6_neighbor
;
27 #define OSPF6_DEBUG_NEIGHBOR_STATE 0x01
28 #define OSPF6_DEBUG_NEIGHBOR_EVENT 0x02
29 #define OSPF6_DEBUG_NEIGHBOR_ON(level) \
30 (conf_debug_ospf6_neighbor |= (level))
31 #define OSPF6_DEBUG_NEIGHBOR_OFF(level) \
32 (conf_debug_ospf6_neighbor &= ~(level))
33 #define IS_OSPF6_DEBUG_NEIGHBOR(level) \
34 (conf_debug_ospf6_neighbor & OSPF6_DEBUG_NEIGHBOR_ ## level)
36 /* Neighbor structure */
39 /* Neighbor Router ID String */
42 /* OSPFv3 Interface this neighbor belongs to */
43 struct ospf6_interface
*ospf6_if
;
48 /* timestamp of last changing state */
49 u_int32_t state_change
;
50 struct timeval last_changed
;
52 /* Neighbor Router ID */
55 /* Neighbor Interface ID */
58 /* Router Priority of this neighbor */
63 u_int32_t prev_drouter
;
64 u_int32_t prev_bdrouter
;
66 /* Options field (Capability) */
69 /* IPaddr of I/F on our side link */
70 struct in6_addr linklocal_addr
;
72 /* For Database Exchange */
74 u_int32_t dbdesc_seqnum
;
75 /* Last received Database Description packet */
76 struct ospf6_dbdesc dbdesc_last
;
79 struct ospf6_lsdb
*summary_list
;
80 struct ospf6_lsdb
*request_list
;
81 struct ospf6_lsdb
*retrans_list
;
83 /* LSA list for message transmission */
84 struct ospf6_lsdb
*dbdesc_list
;
85 struct ospf6_lsdb
*lsreq_list
;
86 struct ospf6_lsdb
*lsupdate_list
;
87 struct ospf6_lsdb
*lsack_list
;
89 struct ospf6_lsa
*last_ls_req
;
91 /* Inactivity timer */
92 struct thread
*inactivity_timer
;
94 /* Thread for sending message */
95 struct thread
*thread_send_dbdesc
;
96 struct thread
*thread_send_lsreq
;
97 struct thread
*thread_send_lsupdate
;
98 struct thread
*thread_send_lsack
;
100 /* BFD information */
105 #define OSPF6_NEIGHBOR_DOWN 1
106 #define OSPF6_NEIGHBOR_ATTEMPT 2
107 #define OSPF6_NEIGHBOR_INIT 3
108 #define OSPF6_NEIGHBOR_TWOWAY 4
109 #define OSPF6_NEIGHBOR_EXSTART 5
110 #define OSPF6_NEIGHBOR_EXCHANGE 6
111 #define OSPF6_NEIGHBOR_LOADING 7
112 #define OSPF6_NEIGHBOR_FULL 8
114 /* Neighbor Events */
115 #define OSPF6_NEIGHBOR_EVENT_NO_EVENT 0
116 #define OSPF6_NEIGHBOR_EVENT_HELLO_RCVD 1
117 #define OSPF6_NEIGHBOR_EVENT_TWOWAY_RCVD 2
118 #define OSPF6_NEIGHBOR_EVENT_NEGOTIATION_DONE 3
119 #define OSPF6_NEIGHBOR_EVENT_EXCHANGE_DONE 4
120 #define OSPF6_NEIGHBOR_EVENT_LOADING_DONE 5
121 #define OSPF6_NEIGHBOR_EVENT_ADJ_OK 6
122 #define OSPF6_NEIGHBOR_EVENT_SEQNUMBER_MISMATCH 7
123 #define OSPF6_NEIGHBOR_EVENT_BAD_LSREQ 8
124 #define OSPF6_NEIGHBOR_EVENT_ONEWAY_RCVD 9
125 #define OSPF6_NEIGHBOR_EVENT_INACTIVITY_TIMER 10
126 #define OSPF6_NEIGHBOR_EVENT_MAX_EVENT 11
128 static const char *ospf6_neighbor_event_str
[] =
143 static inline const char *ospf6_neighbor_event_string (int event
)
145 #define OSPF6_NEIGHBOR_UNKNOWN_EVENT_STRING "UnknownEvent"
147 if (event
< OSPF6_NEIGHBOR_EVENT_MAX_EVENT
)
148 return ospf6_neighbor_event_str
[event
];
149 return OSPF6_NEIGHBOR_UNKNOWN_EVENT_STRING
;
152 extern const char *ospf6_neighbor_state_str
[];
155 /* Function Prototypes */
156 int ospf6_neighbor_cmp (void *va
, void *vb
);
157 void ospf6_neighbor_dbex_init (struct ospf6_neighbor
*on
);
159 struct ospf6_neighbor
*ospf6_neighbor_lookup (u_int32_t
,
160 struct ospf6_interface
*);
161 struct ospf6_neighbor
*ospf6_neighbor_create (u_int32_t
,
162 struct ospf6_interface
*);
163 void ospf6_neighbor_delete (struct ospf6_neighbor
*);
166 extern int hello_received (struct thread
*);
167 extern int twoway_received (struct thread
*);
168 extern int negotiation_done (struct thread
*);
169 extern int exchange_done (struct thread
*);
170 extern int loading_done (struct thread
*);
171 extern int adj_ok (struct thread
*);
172 extern int seqnumber_mismatch (struct thread
*);
173 extern int bad_lsreq (struct thread
*);
174 extern int oneway_received (struct thread
*);
175 extern int inactivity_timer (struct thread
*);
176 extern void ospf6_check_nbr_loading (struct ospf6_neighbor
*);
178 extern void ospf6_neighbor_init (void);
179 extern int config_write_ospf6_debug_neighbor (struct vty
*vty
);
180 extern void install_element_ospf6_debug_neighbor (void);
182 #endif /* OSPF6_NEIGHBOR_H */