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
28 extern unsigned char conf_debug_ospf6_neighbor
;
29 #define OSPF6_DEBUG_NEIGHBOR_STATE 0x01
30 #define OSPF6_DEBUG_NEIGHBOR_EVENT 0x02
31 #define OSPF6_DEBUG_NEIGHBOR_ON(level) (conf_debug_ospf6_neighbor |= (level))
32 #define OSPF6_DEBUG_NEIGHBOR_OFF(level) (conf_debug_ospf6_neighbor &= ~(level))
33 #define IS_OSPF6_DEBUG_NEIGHBOR(level) \
34 (conf_debug_ospf6_neighbor & OSPF6_DEBUG_NEIGHBOR_##level)
36 /* Neighbor structure */
37 struct ospf6_neighbor
{
38 /* Neighbor Router ID String */
41 /* OSPFv3 Interface this neighbor belongs to */
42 struct ospf6_interface
*ospf6_if
;
47 /* timestamp of last changing state */
48 u_int32_t state_change
;
49 struct timeval last_changed
;
51 /* Neighbor Router ID */
54 /* Neighbor Interface ID */
57 /* Router Priority of this neighbor */
62 u_int32_t prev_drouter
;
63 u_int32_t prev_bdrouter
;
65 /* Options field (Capability) */
68 /* IPaddr of I/F on our side link */
69 struct in6_addr linklocal_addr
;
71 /* For Database Exchange */
73 u_int32_t dbdesc_seqnum
;
74 /* Last received Database Description packet */
75 struct ospf6_dbdesc dbdesc_last
;
78 struct ospf6_lsdb
*summary_list
;
79 struct ospf6_lsdb
*request_list
;
80 struct ospf6_lsdb
*retrans_list
;
82 /* LSA list for message transmission */
83 struct ospf6_lsdb
*dbdesc_list
;
84 struct ospf6_lsdb
*lsreq_list
;
85 struct ospf6_lsdb
*lsupdate_list
;
86 struct ospf6_lsdb
*lsack_list
;
88 struct ospf6_lsa
*last_ls_req
;
90 /* Inactivity timer */
91 struct thread
*inactivity_timer
;
93 /* Thread for sending message */
94 struct thread
*thread_send_dbdesc
;
95 struct thread
*thread_send_lsreq
;
96 struct thread
*thread_send_lsupdate
;
97 struct thread
*thread_send_lsack
;
104 #define OSPF6_NEIGHBOR_DOWN 1
105 #define OSPF6_NEIGHBOR_ATTEMPT 2
106 #define OSPF6_NEIGHBOR_INIT 3
107 #define OSPF6_NEIGHBOR_TWOWAY 4
108 #define OSPF6_NEIGHBOR_EXSTART 5
109 #define OSPF6_NEIGHBOR_EXCHANGE 6
110 #define OSPF6_NEIGHBOR_LOADING 7
111 #define OSPF6_NEIGHBOR_FULL 8
113 /* Neighbor Events */
114 #define OSPF6_NEIGHBOR_EVENT_NO_EVENT 0
115 #define OSPF6_NEIGHBOR_EVENT_HELLO_RCVD 1
116 #define OSPF6_NEIGHBOR_EVENT_TWOWAY_RCVD 2
117 #define OSPF6_NEIGHBOR_EVENT_NEGOTIATION_DONE 3
118 #define OSPF6_NEIGHBOR_EVENT_EXCHANGE_DONE 4
119 #define OSPF6_NEIGHBOR_EVENT_LOADING_DONE 5
120 #define OSPF6_NEIGHBOR_EVENT_ADJ_OK 6
121 #define OSPF6_NEIGHBOR_EVENT_SEQNUMBER_MISMATCH 7
122 #define OSPF6_NEIGHBOR_EVENT_BAD_LSREQ 8
123 #define OSPF6_NEIGHBOR_EVENT_ONEWAY_RCVD 9
124 #define OSPF6_NEIGHBOR_EVENT_INACTIVITY_TIMER 10
125 #define OSPF6_NEIGHBOR_EVENT_MAX_EVENT 11
127 static const char *ospf6_neighbor_event_str
[] = {
128 "NoEvent", "HelloReceived", "2-WayReceived", "NegotiationDone",
129 "ExchangeDone", "LoadingDone", "AdjOK?", "SeqNumberMismatch",
130 "BadLSReq", "1-WayReceived", "InactivityTimer",
133 static inline const char *ospf6_neighbor_event_string(int event
)
135 #define OSPF6_NEIGHBOR_UNKNOWN_EVENT_STRING "UnknownEvent"
137 if (event
< OSPF6_NEIGHBOR_EVENT_MAX_EVENT
)
138 return ospf6_neighbor_event_str
[event
];
139 return OSPF6_NEIGHBOR_UNKNOWN_EVENT_STRING
;
142 extern const char *ospf6_neighbor_state_str
[];
145 /* Function Prototypes */
146 int ospf6_neighbor_cmp(void *va
, void *vb
);
147 void ospf6_neighbor_dbex_init(struct ospf6_neighbor
*on
);
149 struct ospf6_neighbor
*ospf6_neighbor_lookup(u_int32_t
,
150 struct ospf6_interface
*);
151 struct ospf6_neighbor
*ospf6_neighbor_create(u_int32_t
,
152 struct ospf6_interface
*);
153 void ospf6_neighbor_delete(struct ospf6_neighbor
*);
156 extern int hello_received(struct thread
*);
157 extern int twoway_received(struct thread
*);
158 extern int negotiation_done(struct thread
*);
159 extern int exchange_done(struct thread
*);
160 extern int loading_done(struct thread
*);
161 extern int adj_ok(struct thread
*);
162 extern int seqnumber_mismatch(struct thread
*);
163 extern int bad_lsreq(struct thread
*);
164 extern int oneway_received(struct thread
*);
165 extern int inactivity_timer(struct thread
*);
166 extern void ospf6_check_nbr_loading(struct ospf6_neighbor
*);
168 extern void ospf6_neighbor_init(void);
169 extern int config_write_ospf6_debug_neighbor(struct vty
*vty
);
170 extern void install_element_ospf6_debug_neighbor(void);
172 DECLARE_HOOK(ospf6_neighbor_change
,
173 (struct ospf6_neighbor
* on
, int state
, int next_state
),
174 (on
, state
, next_state
))
176 #endif /* OSPF6_NEIGHBOR_H */