1/*
2 * Copyright (C) 1999 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_PROTO_H
23#define OSPF6_PROTO_H
24
25/* OSPF protocol version */
26#define OSPF6_VERSION		3
27
28/* OSPF protocol number. */
29#ifndef IPPROTO_OSPFIGP
30#define IPPROTO_OSPFIGP         89
31#endif
32
33/* TOS field normaly null */
34#define OSPF6_TOS_VALUE               0x0
35
36/* Architectural Constants */
37#define OSPF6_LS_REFRESH_TIME         1800       /* 30 min */
38#define OSPF6_MIN_LS_INTERVAL         5
39#define OSPF6_MIN_LS_ARRIVAL          1
40#define MAXAGE                  3600       /* 1 hour */
41#define CHECK_AGE               300        /* 5 min */
42#define MAX_AGE_DIFF            900        /* 15 min */
43#define LS_INFINITY             0xffffff   /* 24-bit binary value */
44#define INITIAL_SEQUENCE_NUMBER 0x80000001 /* signed 32-bit integer */
45#define MAX_SEQUENCE_NUMBER     0x7fffffff /* signed 32-bit integer */
46
47#define MAXOSPFMESSAGELEN         4096
48
49#define ALLSPFROUTERS6 "ff02::5"
50#define ALLDROUTERS6   "ff02::6"
51
52/* Configurable Constants */
53
54#define DEFAULT_HELLO_INTERVAL    10
55#define DEFAULT_ROUTER_DEAD_TIMER 40
56
57/* OSPF options */
58/* present in HELLO, DD, LSA */
59#define OSPF6_OPT_SET(x,opt)   ((x)[2] |=  (opt))
60#define OSPF6_OPT_ISSET(x,opt) ((x)[2] &   (opt))
61#define OSPF6_OPT_CLEAR(x,opt) ((x)[2] &= ~(opt))
62#define OSPF6_OPT_CLEAR_ALL(x) ((x)[0] = (x)[1] = (x)[2] = 0)
63
64#define OSPF6_OPT_V6 (1 << 0)   /* IPv6 forwarding Capability */
65#define OSPF6_OPT_E  (1 << 1)   /* AS External Capability */
66#define OSPF6_OPT_MC (1 << 2)   /* Multicasting Capability */
67#define OSPF6_OPT_N  (1 << 3)   /* Handling Type-7 LSA Capability */
68#define OSPF6_OPT_R  (1 << 4)   /* Forwarding Capability (Any Protocol) */
69#define OSPF6_OPT_DC (1 << 5)   /* Demand Circuit handling Capability */
70
71char *
72ospf6_options_string (u_char opt_capability[3], char *buffer, int size);
73
74#endif /* OSPF6_PROTO_H */
75
76