isisd/isis_route.h

   1 /*
   2  * IS-IS Rout(e)ing protocol               - isis_route.h
   3  *
   4  * Copyright (C) 2001,2002   Sampo Saaristo
   5  *                           Tampere University of Technology
   6  *                           Institute of Communications Engineering
   7  *
   8  *                                         based on ../ospf6d/ospf6_route.[ch]
   9  *                                         by Yasuhiro Ohara
  10  *
  11  * This program is free software; you can redistribute it and/or modify it
  12  * under the terms of the GNU General Public Licenseas published by the Free
  13  * Software Foundation; either version 2 of the License, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,but WITHOUT
  17  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  19  * more details.
  20
  21  * You should have received a copy of the GNU General Public License along
  22  * with this program; if not, write to the Free Software Foundation, Inc.,
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  24  */
  25 #ifndef _ZEBRA_ISIS_ROUTE_H
  26 #define _ZEBRA_ISIS_ROUTE_H
  27
  28 #ifdef HAVE_IPV6
  29 struct isis_nexthop6
  30 {
  31   ifindex_t ifindex;
  32   struct in6_addr ip6;
  33   struct in6_addr router_address6;
  34   unsigned int lock;
  35 };
  36 #endif /* HAVE_IPV6 */
  37
  38 struct isis_nexthop
  39 {
  40   ifindex_t ifindex;
  41   struct in_addr ip;
  42   struct in_addr router_address;
  43   unsigned int lock;
  44 };
  45
  46 struct isis_route_info
  47 {
  48 #define ISIS_ROUTE_FLAG_ACTIVE       0x01  /* active route for the prefix */
  49 #define ISIS_ROUTE_FLAG_ZEBRA_SYNCED 0x02  /* set when route synced to zebra */
  50 #define ISIS_ROUTE_FLAG_ZEBRA_RESYNC 0x04  /* set when route needs to sync */
  51   u_char flag;
  52   u_int32_t cost;
  53   u_int32_t depth;
  54   struct list *nexthops;
  55 #ifdef HAVE_IPV6
  56   struct list *nexthops6;
  57 #endif                          /* HAVE_IPV6 */
  58 };
  59
  60 struct isis_route_info *isis_route_create (struct prefix *prefix,
  61                                            u_int32_t cost, u_int32_t depth,
  62                                            struct list *adjacencies,
  63                                            struct isis_area *area, int level);
  64
  65 void isis_route_validate (struct isis_area *area);
  66 void isis_route_invalidate_table (struct isis_area *area,
  67                                   struct route_table *table);
  68 void isis_route_invalidate (struct isis_area *area);
  69
  70 #endif /* _ZEBRA_ISIS_ROUTE_H */