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; see the file COPYING; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24  */
  25 #ifndef _ZEBRA_ISIS_ROUTE_H
  26 #define _ZEBRA_ISIS_ROUTE_H
  27
  28 struct isis_nexthop6
  29 {
  30   ifindex_t ifindex;
  31   struct in6_addr ip6;
  32   struct in6_addr router_address6;
  33   unsigned int lock;
  34 };
  35
  36 struct isis_nexthop
  37 {
  38   ifindex_t ifindex;
  39   struct in_addr ip;
  40   struct in_addr router_address;
  41   unsigned int lock;
  42 };
  43
  44 struct isis_route_info
  45 {
  46 #define ISIS_ROUTE_FLAG_ACTIVE       0x01  /* active route for the prefix */
  47 #define ISIS_ROUTE_FLAG_ZEBRA_SYNCED 0x02  /* set when route synced to zebra */
  48 #define ISIS_ROUTE_FLAG_ZEBRA_RESYNC 0x04  /* set when route needs to sync */
  49   u_char flag;
  50   u_int32_t cost;
  51   u_int32_t depth;
  52   struct list *nexthops;
  53   struct list *nexthops6;
  54 };
  55
  56 struct isis_route_info *isis_route_create (struct prefix *prefix,
  57                                            u_int32_t cost, u_int32_t depth,
  58                                            struct list *adjacencies,
  59                                            struct isis_area *area, int level);
  60
  61 void isis_route_validate (struct isis_area *area);
  62 void isis_route_invalidate_table (struct isis_area *area,
  63                                   struct route_table *table);
  64 void isis_route_invalidate (struct isis_area *area);
  65
  66 #endif /* _ZEBRA_ISIS_ROUTE_H */