2 * Copyright (C) 1999-2003 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_MESSAGE_H
23 #define OSPF6_MESSAGE_H
25 #define OSPF6_MESSAGE_BUFSIZ 4096
28 extern unsigned char conf_debug_ospf6_message[];
29 #define OSPF6_DEBUG_MESSAGE_SEND 0x01
30 #define OSPF6_DEBUG_MESSAGE_RECV 0x02
31 #define OSPF6_DEBUG_MESSAGE_ON(type, level) \
32 (conf_debug_ospf6_message[type] |= (level))
33 #define OSPF6_DEBUG_MESSAGE_OFF(type, level) \
34 (conf_debug_ospf6_message[type] &= ~(level))
35 #define IS_OSPF6_DEBUG_MESSAGE(t, e) \
36 (conf_debug_ospf6_message[t] & OSPF6_DEBUG_MESSAGE_ ## e)
39 #define OSPF6_MESSAGE_TYPE_UNKNOWN 0x0
40 #define OSPF6_MESSAGE_TYPE_HELLO 0x1 /* Discover/maintain neighbors */
41 #define OSPF6_MESSAGE_TYPE_DBDESC 0x2 /* Summarize database contents */
42 #define OSPF6_MESSAGE_TYPE_LSREQ 0x3 /* Database download request */
43 #define OSPF6_MESSAGE_TYPE_LSUPDATE 0x4 /* Database update */
44 #define OSPF6_MESSAGE_TYPE_LSACK 0x5 /* Flooding acknowledgment */
45 #define OSPF6_MESSAGE_TYPE_ALL 0x6 /* For debug option */
47 /* OSPFv3 packet header */
48 #define OSPF6_HEADER_SIZE 16U
61 #define OSPF6_MESSAGE_END(H) ((caddr_t) (H) + ntohs ((H)->length))
64 #define OSPF6_HELLO_MIN_SIZE 20U
67 u_int32_t interface_id;
70 u_int16_t hello_interval;
71 u_int16_t dead_interval;
74 /* Followed by Router-IDs */
77 /* Database Description */
78 #define OSPF6_DB_DESC_MIN_SIZE 12U
87 /* Followed by LSA Headers */
90 #define OSPF6_DBDESC_MSBIT (0x01) /* master/slave bit */
91 #define OSPF6_DBDESC_MBIT (0x02) /* more bit */
92 #define OSPF6_DBDESC_IBIT (0x04) /* initial bit */
94 /* Link State Request */
95 #define OSPF6_LS_REQ_MIN_SIZE 0U
96 /* It is just a sequence of entries below */
97 #define OSPF6_LSREQ_LSDESC_FIX_SIZE 12U
98 struct ospf6_lsreq_entry
100 u_int16_t reserved; /* Must Be Zero */
101 u_int16_t type; /* LS type */
102 u_int32_t id; /* Link State ID */
103 u_int32_t adv_router; /* Advertising Router */
106 /* Link State Update */
107 #define OSPF6_LS_UPD_MIN_SIZE 4U
108 struct ospf6_lsupdate
110 u_int32_t lsa_number;
111 /* Followed by LSAs */
114 /* Link State Acknowledgement */
115 #define OSPF6_LS_ACK_MIN_SIZE 0U
116 /* It is just a sequence of LSA Headers */
118 /* Function definition */
119 extern void ospf6_hello_print (struct ospf6_header *);
120 extern void ospf6_dbdesc_print (struct ospf6_header *);
121 extern void ospf6_lsreq_print (struct ospf6_header *);
122 extern void ospf6_lsupdate_print (struct ospf6_header *);
123 extern void ospf6_lsack_print (struct ospf6_header *);
125 extern int ospf6_iobuf_size (unsigned int size);
126 extern void ospf6_message_terminate (void);
127 extern int ospf6_receive (struct thread *thread);
129 extern int ospf6_hello_send (struct thread *thread);
130 extern int ospf6_dbdesc_send (struct thread *thread);
131 extern int ospf6_dbdesc_send_newone (struct thread *thread);
132 extern int ospf6_lsreq_send (struct thread *thread);
133 extern int ospf6_lsupdate_send_interface (struct thread *thread);
134 extern int ospf6_lsupdate_send_neighbor (struct thread *thread);
135 extern int ospf6_lsack_send_interface (struct thread *thread);
136 extern int ospf6_lsack_send_neighbor (struct thread *thread);
138 extern int config_write_ospf6_debug_message (struct vty *);
139 extern void install_element_ospf6_debug_message (void);
141 #endif /* OSPF6_MESSAGE_H */