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718e3744 | 1 | /* |
508e53e2 | 2 | * Copyright (C) 1999-2003 Yasuhiro Ohara |
718e3744 | 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 | ||
508e53e2 | 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) | |
718e3744 | 37 | |
38 | /* Type */ | |
718e3744 | 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 */ | |
508e53e2 | 42 | #define OSPF6_MESSAGE_TYPE_LSREQ 0x3 /* Database download request */ |
718e3744 | 43 | #define OSPF6_MESSAGE_TYPE_LSUPDATE 0x4 /* Database update */ |
44 | #define OSPF6_MESSAGE_TYPE_LSACK 0x5 /* Flooding acknowledgment */ | |
508e53e2 | 45 | #define OSPF6_MESSAGE_TYPE_ALL 0x6 /* For debug option */ |
46 | ||
718e3744 | 47 | /* OSPFv3 packet header */ |
abc7ef44 | 48 | #define OSPF6_HEADER_SIZE 16U |
718e3744 | 49 | struct ospf6_header |
50 | { | |
51 | u_char version; | |
52 | u_char type; | |
508e53e2 | 53 | u_int16_t length; |
718e3744 | 54 | u_int32_t router_id; |
55 | u_int32_t area_id; | |
508e53e2 | 56 | u_int16_t checksum; |
718e3744 | 57 | u_char instance_id; |
58 | u_char reserved; | |
59 | }; | |
60 | ||
508e53e2 | 61 | #define OSPF6_MESSAGE_END(H) ((caddr_t) (H) + ntohs ((H)->length)) |
62 | ||
718e3744 | 63 | /* Hello */ |
abc7ef44 | 64 | #define OSPF6_HELLO_MIN_SIZE 20U |
718e3744 | 65 | struct ospf6_hello |
66 | { | |
b892f1dd | 67 | ifindex_t interface_id; |
508e53e2 | 68 | u_char priority; |
718e3744 | 69 | u_char options[3]; |
70 | u_int16_t hello_interval; | |
508e53e2 | 71 | u_int16_t dead_interval; |
72 | u_int32_t drouter; | |
73 | u_int32_t bdrouter; | |
74 | /* Followed by Router-IDs */ | |
718e3744 | 75 | }; |
76 | ||
77 | /* Database Description */ | |
abc7ef44 | 78 | #define OSPF6_DB_DESC_MIN_SIZE 12U |
718e3744 | 79 | struct ospf6_dbdesc |
80 | { | |
508e53e2 | 81 | u_char reserved1; |
718e3744 | 82 | u_char options[3]; |
83 | u_int16_t ifmtu; | |
508e53e2 | 84 | u_char reserved2; |
718e3744 | 85 | u_char bits; |
86 | u_int32_t seqnum; | |
508e53e2 | 87 | /* Followed by LSA Headers */ |
718e3744 | 88 | }; |
508e53e2 | 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 */ | |
718e3744 | 93 | |
94 | /* Link State Request */ | |
abc7ef44 | 95 | #define OSPF6_LS_REQ_MIN_SIZE 0U |
508e53e2 | 96 | /* It is just a sequence of entries below */ |
abc7ef44 | 97 | #define OSPF6_LSREQ_LSDESC_FIX_SIZE 12U |
508e53e2 | 98 | struct ospf6_lsreq_entry |
718e3744 | 99 | { |
508e53e2 | 100 | u_int16_t reserved; /* Must Be Zero */ |
718e3744 | 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 */ | |
abc7ef44 | 107 | #define OSPF6_LS_UPD_MIN_SIZE 4U |
718e3744 | 108 | struct ospf6_lsupdate |
109 | { | |
508e53e2 | 110 | u_int32_t lsa_number; |
111 | /* Followed by LSAs */ | |
718e3744 | 112 | }; |
113 | ||
114 | /* Link State Acknowledgement */ | |
abc7ef44 | 115 | #define OSPF6_LS_ACK_MIN_SIZE 0U |
508e53e2 | 116 | /* It is just a sequence of LSA Headers */ |
117 | ||
118 | /* Function definition */ | |
6ac29a51 PJ |
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); | |
ae2254aa | 126 | extern void ospf6_message_terminate (void); |
6ac29a51 PJ |
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); | |
718e3744 | 140 | |
141 | #endif /* OSPF6_MESSAGE_H */ | |
142 |