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 along
17 * with this program; see the file COPYING; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef OSPF6_NEIGHBOR_H
22 #define OSPF6_NEIGHBOR_H
27 extern unsigned char conf_debug_ospf6_neighbor
;
28 #define OSPF6_DEBUG_NEIGHBOR_STATE 0x01
29 #define OSPF6_DEBUG_NEIGHBOR_EVENT 0x02
30 #define OSPF6_DEBUG_NEIGHBOR_ON(level) \
31 (conf_debug_ospf6_neighbor |= (level))
32 #define OSPF6_DEBUG_NEIGHBOR_OFF(level) \
33 (conf_debug_ospf6_neighbor &= ~(level))
34 #define IS_OSPF6_DEBUG_NEIGHBOR(level) \
35 (conf_debug_ospf6_neighbor & OSPF6_DEBUG_NEIGHBOR_ ## level)
37 /* Neighbor structure */
40 /* Neighbor Router ID String */
43 /* OSPFv3 Interface this neighbor belongs to */
44 struct ospf6_interface
*ospf6_if
;
49 /* timestamp of last changing state */
50 u_int32_t state_change
;
51 struct timeval last_changed
;
53 /* Neighbor Router ID */
56 /* Neighbor Interface ID */
59 /* Router Priority of this neighbor */
64 u_int32_t prev_drouter
;
65 u_int32_t prev_bdrouter
;
67 /* Options field (Capability) */
70 /* IPaddr of I/F on our side link */
71 struct in6_addr linklocal_addr
;
73 /* For Database Exchange */
75 u_int32_t dbdesc_seqnum
;
76 /* Last received Database Description packet */
77 struct ospf6_dbdesc dbdesc_last
;
80 struct ospf6_lsdb
*summary_list
;
81 struct ospf6_lsdb
*request_list
;
82 struct ospf6_lsdb
*retrans_list
;
84 /* LSA list for message transmission */
85 struct ospf6_lsdb
*dbdesc_list
;
86 struct ospf6_lsdb
*lsreq_list
;
87 struct ospf6_lsdb
*lsupdate_list
;
88 struct ospf6_lsdb
*lsack_list
;
90 struct ospf6_lsa
*last_ls_req
;
92 /* Inactivity timer */
93 struct thread
*inactivity_timer
;
95 /* Thread for sending message */
96 struct thread
*thread_send_dbdesc
;
97 struct thread
*thread_send_lsreq
;
98 struct thread
*thread_send_lsupdate
;
99 struct thread
*thread_send_lsack
;
101 /* BFD information */
106 #define OSPF6_NEIGHBOR_DOWN 1
107 #define OSPF6_NEIGHBOR_ATTEMPT 2
108 #define OSPF6_NEIGHBOR_INIT 3
109 #define OSPF6_NEIGHBOR_TWOWAY 4
110 #define OSPF6_NEIGHBOR_EXSTART 5
111 #define OSPF6_NEIGHBOR_EXCHANGE 6
112 #define OSPF6_NEIGHBOR_LOADING 7
113 #define OSPF6_NEIGHBOR_FULL 8
115 /* Neighbor Events */
116 #define OSPF6_NEIGHBOR_EVENT_NO_EVENT 0
117 #define OSPF6_NEIGHBOR_EVENT_HELLO_RCVD 1
118 #define OSPF6_NEIGHBOR_EVENT_TWOWAY_RCVD 2
119 #define OSPF6_NEIGHBOR_EVENT_NEGOTIATION_DONE 3
120 #define OSPF6_NEIGHBOR_EVENT_EXCHANGE_DONE 4
121 #define OSPF6_NEIGHBOR_EVENT_LOADING_DONE 5
122 #define OSPF6_NEIGHBOR_EVENT_ADJ_OK 6
123 #define OSPF6_NEIGHBOR_EVENT_SEQNUMBER_MISMATCH 7
124 #define OSPF6_NEIGHBOR_EVENT_BAD_LSREQ 8
125 #define OSPF6_NEIGHBOR_EVENT_ONEWAY_RCVD 9
126 #define OSPF6_NEIGHBOR_EVENT_INACTIVITY_TIMER 10
127 #define OSPF6_NEIGHBOR_EVENT_MAX_EVENT 11
129 static const char *ospf6_neighbor_event_str
[] =
144 static inline const char *ospf6_neighbor_event_string (int event
)
146 #define OSPF6_NEIGHBOR_UNKNOWN_EVENT_STRING "UnknownEvent"
148 if (event
< OSPF6_NEIGHBOR_EVENT_MAX_EVENT
)
149 return ospf6_neighbor_event_str
[event
];
150 return OSPF6_NEIGHBOR_UNKNOWN_EVENT_STRING
;
153 extern const char *ospf6_neighbor_state_str
[];
156 /* Function Prototypes */
157 int ospf6_neighbor_cmp (void *va
, void *vb
);
158 void ospf6_neighbor_dbex_init (struct ospf6_neighbor
*on
);
160 struct ospf6_neighbor
*ospf6_neighbor_lookup (u_int32_t
,
161 struct ospf6_interface
*);
162 struct ospf6_neighbor
*ospf6_neighbor_create (u_int32_t
,
163 struct ospf6_interface
*);
164 void ospf6_neighbor_delete (struct ospf6_neighbor
*);
167 extern int hello_received (struct thread
*);
168 extern int twoway_received (struct thread
*);
169 extern int negotiation_done (struct thread
*);
170 extern int exchange_done (struct thread
*);
171 extern int loading_done (struct thread
*);
172 extern int adj_ok (struct thread
*);
173 extern int seqnumber_mismatch (struct thread
*);
174 extern int bad_lsreq (struct thread
*);
175 extern int oneway_received (struct thread
*);
176 extern int inactivity_timer (struct thread
*);
177 extern void ospf6_check_nbr_loading (struct ospf6_neighbor
*);
179 extern void ospf6_neighbor_init (void);
180 extern int config_write_ospf6_debug_neighbor (struct vty
*vty
);
181 extern void install_element_ospf6_debug_neighbor (void);
183 DECLARE_HOOK(ospf6_neighbor_change
,
184 (struct ospf6_neighbor
*on
, int state
, int next_state
),
185 (on
, state
, next_state
))
187 #endif /* OSPF6_NEIGHBOR_H */