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;
102 #define OSPF6_NEIGHBOR_DOWN 1
103 #define OSPF6_NEIGHBOR_ATTEMPT 2
104 #define OSPF6_NEIGHBOR_INIT 3
105 #define OSPF6_NEIGHBOR_TWOWAY 4
106 #define OSPF6_NEIGHBOR_EXSTART 5
107 #define OSPF6_NEIGHBOR_EXCHANGE 6
108 #define OSPF6_NEIGHBOR_LOADING 7
109 #define OSPF6_NEIGHBOR_FULL 8
111 /* Neighbor Events */
112 #define OSPF6_NEIGHBOR_EVENT_NO_EVENT 0
113 #define OSPF6_NEIGHBOR_EVENT_HELLO_RCVD 1
114 #define OSPF6_NEIGHBOR_EVENT_TWOWAY_RCVD 2
115 #define OSPF6_NEIGHBOR_EVENT_NEGOTIATION_DONE 3
116 #define OSPF6_NEIGHBOR_EVENT_EXCHANGE_DONE 4
117 #define OSPF6_NEIGHBOR_EVENT_LOADING_DONE 5
118 #define OSPF6_NEIGHBOR_EVENT_ADJ_OK 6
119 #define OSPF6_NEIGHBOR_EVENT_SEQNUMBER_MISMATCH 7
120 #define OSPF6_NEIGHBOR_EVENT_BAD_LSREQ 8
121 #define OSPF6_NEIGHBOR_EVENT_ONEWAY_RCVD 9
122 #define OSPF6_NEIGHBOR_EVENT_INACTIVITY_TIMER 10
123 #define OSPF6_NEIGHBOR_EVENT_MAX_EVENT 11
125 extern const char *ospf6_neighbor_state_str[];
127 /* Function Prototypes */
128 int ospf6_neighbor_cmp (void *va, void *vb);
129 void ospf6_neighbor_dbex_init (struct ospf6_neighbor *on);
131 struct ospf6_neighbor *ospf6_neighbor_lookup (u_int32_t,
132 struct ospf6_interface *);
133 struct ospf6_neighbor *ospf6_neighbor_create (u_int32_t,
134 struct ospf6_interface *);
135 void ospf6_neighbor_delete (struct ospf6_neighbor *);
138 extern int hello_received (struct thread *);
139 extern int twoway_received (struct thread *);
140 extern int negotiation_done (struct thread *);
141 extern int exchange_done (struct thread *);
142 extern int loading_done (struct thread *);
143 extern int adj_ok (struct thread *);
144 extern int seqnumber_mismatch (struct thread *);
145 extern int bad_lsreq (struct thread *);
146 extern int oneway_received (struct thread *);
147 extern int inactivity_timer (struct thread *);
148 extern void ospf6_check_nbr_loading (struct ospf6_neighbor *);
150 extern void ospf6_neighbor_init (void);
151 extern int config_write_ospf6_debug_neighbor (struct vty *vty);
152 extern void install_element_ospf6_debug_neighbor (void);
154 #endif /* OSPF6_NEIGHBOR_H */