Annotation of embedaddon/quagga/ospf6d/ospf6_message.h, revision 1.1.1.2
1.1 misho 1: /*
2: * Copyright (C) 1999-2003 Yasuhiro Ohara
3: *
4: * This file is part of GNU Zebra.
5: *
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
9: * later version.
10: *
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.
15: *
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.
20: */
21:
22: #ifndef OSPF6_MESSAGE_H
23: #define OSPF6_MESSAGE_H
24:
25: #define OSPF6_MESSAGE_BUFSIZ 4096
26:
27: /* Debug option */
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)
37:
38: /* Type */
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 */
46:
47: /* OSPFv3 packet header */
48: #define OSPF6_HEADER_SIZE 16U
49: struct ospf6_header
50: {
51: u_char version;
52: u_char type;
53: u_int16_t length;
54: u_int32_t router_id;
55: u_int32_t area_id;
56: u_int16_t checksum;
57: u_char instance_id;
58: u_char reserved;
59: };
60:
61: #define OSPF6_MESSAGE_END(H) ((caddr_t) (H) + ntohs ((H)->length))
62:
63: /* Hello */
64: #define OSPF6_HELLO_MIN_SIZE 20U
65: struct ospf6_hello
66: {
67: u_int32_t interface_id;
68: u_char priority;
69: u_char options[3];
70: u_int16_t hello_interval;
71: u_int16_t dead_interval;
72: u_int32_t drouter;
73: u_int32_t bdrouter;
74: /* Followed by Router-IDs */
75: };
76:
77: /* Database Description */
78: #define OSPF6_DB_DESC_MIN_SIZE 12U
79: struct ospf6_dbdesc
80: {
81: u_char reserved1;
82: u_char options[3];
83: u_int16_t ifmtu;
84: u_char reserved2;
85: u_char bits;
86: u_int32_t seqnum;
87: /* Followed by LSA Headers */
88: };
89:
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 */
93:
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
99: {
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 */
104: };
105:
106: /* Link State Update */
107: #define OSPF6_LS_UPD_MIN_SIZE 4U
108: struct ospf6_lsupdate
109: {
110: u_int32_t lsa_number;
111: /* Followed by LSAs */
112: };
113:
114: /* Link State Acknowledgement */
115: #define OSPF6_LS_ACK_MIN_SIZE 0U
116: /* It is just a sequence of LSA Headers */
117:
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 *);
124:
125: extern int ospf6_iobuf_size (unsigned int size);
126: extern void ospf6_message_terminate (void);
127: extern int ospf6_receive (struct thread *thread);
128:
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);
137:
138: extern int config_write_ospf6_debug_message (struct vty *);
139: extern void install_element_ospf6_debug_message (void);
140:
141: #endif /* OSPF6_MESSAGE_H */
142:
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