ospf6d/ospf6_proto.h

   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
  71 char *
  72 ospf6_options_string (u_char opt_capability[3], char *buffer, int size);
  73
  74 #endif /* OSPF6_PROTO_H */
  75