Annotation of embedaddon/quagga/ospf6d/ospf6_message.h, revision 1.1.1.1
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: #define OSPF6_MESSAGE_TYPE_CANONICAL(T) \
48: ((T) > OSPF6_MESSAGE_TYPE_LSACK ? OSPF6_MESSAGE_TYPE_UNKNOWN : (T))
49:
50: extern const char *ospf6_message_type_str[];
51: #define OSPF6_MESSAGE_TYPE_NAME(T) \
52: (ospf6_message_type_str[ OSPF6_MESSAGE_TYPE_CANONICAL (T) ])
53:
54: /* OSPFv3 packet header */
55: #define OSPF6_HEADER_SIZE 16U
56: struct ospf6_header
57: {
58: u_char version;
59: u_char type;
60: u_int16_t length;
61: u_int32_t router_id;
62: u_int32_t area_id;
63: u_int16_t checksum;
64: u_char instance_id;
65: u_char reserved;
66: };
67:
68: #define OSPF6_MESSAGE_END(H) ((caddr_t) (H) + ntohs ((H)->length))
69:
70: /* Hello */
71: #define OSPF6_HELLO_MIN_SIZE 20U
72: struct ospf6_hello
73: {
74: u_int32_t interface_id;
75: u_char priority;
76: u_char options[3];
77: u_int16_t hello_interval;
78: u_int16_t dead_interval;
79: u_int32_t drouter;
80: u_int32_t bdrouter;
81: /* Followed by Router-IDs */
82: };
83:
84: /* Database Description */
85: #define OSPF6_DB_DESC_MIN_SIZE 12U
86: struct ospf6_dbdesc
87: {
88: u_char reserved1;
89: u_char options[3];
90: u_int16_t ifmtu;
91: u_char reserved2;
92: u_char bits;
93: u_int32_t seqnum;
94: /* Followed by LSA Headers */
95: };
96:
97: #define OSPF6_DBDESC_MSBIT (0x01) /* master/slave bit */
98: #define OSPF6_DBDESC_MBIT (0x02) /* more bit */
99: #define OSPF6_DBDESC_IBIT (0x04) /* initial bit */
100:
101: /* Link State Request */
102: #define OSPF6_LS_REQ_MIN_SIZE 0U
103: /* It is just a sequence of entries below */
104: #define OSPF6_LSREQ_LSDESC_FIX_SIZE 12U
105: struct ospf6_lsreq_entry
106: {
107: u_int16_t reserved; /* Must Be Zero */
108: u_int16_t type; /* LS type */
109: u_int32_t id; /* Link State ID */
110: u_int32_t adv_router; /* Advertising Router */
111: };
112:
113: /* Link State Update */
114: #define OSPF6_LS_UPD_MIN_SIZE 4U
115: struct ospf6_lsupdate
116: {
117: u_int32_t lsa_number;
118: /* Followed by LSAs */
119: };
120:
121: /* Link State Acknowledgement */
122: #define OSPF6_LS_ACK_MIN_SIZE 0U
123: /* It is just a sequence of LSA Headers */
124:
125: /* Function definition */
126: extern void ospf6_hello_print (struct ospf6_header *);
127: extern void ospf6_dbdesc_print (struct ospf6_header *);
128: extern void ospf6_lsreq_print (struct ospf6_header *);
129: extern void ospf6_lsupdate_print (struct ospf6_header *);
130: extern void ospf6_lsack_print (struct ospf6_header *);
131:
132: extern int ospf6_iobuf_size (unsigned int size);
133: extern void ospf6_message_terminate (void);
134: extern int ospf6_receive (struct thread *thread);
135:
136: extern int ospf6_hello_send (struct thread *thread);
137: extern int ospf6_dbdesc_send (struct thread *thread);
138: extern int ospf6_dbdesc_send_newone (struct thread *thread);
139: extern int ospf6_lsreq_send (struct thread *thread);
140: extern int ospf6_lsupdate_send_interface (struct thread *thread);
141: extern int ospf6_lsupdate_send_neighbor (struct thread *thread);
142: extern int ospf6_lsack_send_interface (struct thread *thread);
143: extern int ospf6_lsack_send_neighbor (struct thread *thread);
144:
145: extern int config_write_ospf6_debug_message (struct vty *);
146: extern void install_element_ospf6_debug_message (void);
147:
148: #endif /* OSPF6_MESSAGE_H */
149:
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