ospfd/ospf_asbr.h

   1 /*
   2  * OSPF AS Boundary Router functions.
   3  * Copyright (C) 1999, 2000 Kunihiro Ishiguro, Toshiaki Takada
   4  *
   5  * This file is part of GNU Zebra.
   6  *
   7  * GNU Zebra is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * GNU Zebra is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
  19  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20  * 02111-1307, USA.
  21  */
  22
  23 #ifndef _ZEBRA_OSPF_ASBR_H
  24 #define _ZEBRA_OSPF_ASBR_H
  25
  26 struct route_map_set_values
  27 {
  28   int32_t metric;
  29   int32_t metric_type;
  30 };
  31
  32 /* Redistributed external information. */
  33 struct external_info
  34 {
  35   /* Type of source protocol. */
  36   u_char type;
  37
  38   /* Prefix. */
  39   struct prefix_ipv4 p;
  40
  41   /* Interface index. */
  42   unsigned int ifindex;
  43
  44   /* Nexthop address. */
  45   struct in_addr nexthop;
  46
  47   /* Additional Route tag. */
  48   u_int32_t tag;
  49
  50   struct route_map_set_values route_map_set;
  51 #define ROUTEMAP_METRIC(E)      (E)->route_map_set.metric
  52 #define ROUTEMAP_METRIC_TYPE(E) (E)->route_map_set.metric_type
  53 };
  54
  55 #define OSPF_ASBR_CHECK_DELAY 30
  56
  57 extern void ospf_external_route_remove (struct ospf *, struct prefix_ipv4 *);
  58 extern struct external_info *ospf_external_info_new (u_char);
  59 extern void ospf_reset_route_map_set_values (struct route_map_set_values *);
  60 extern int ospf_route_map_set_compare (struct route_map_set_values *,
  61                                 struct route_map_set_values *);
  62 extern struct external_info *ospf_external_info_add (u_char,
  63                                               struct prefix_ipv4,
  64                                               unsigned int,
  65                                               struct in_addr);
  66 extern void ospf_external_info_delete (u_char, struct prefix_ipv4);
  67 extern struct external_info *ospf_external_info_lookup (u_char,
  68                                                  struct prefix_ipv4 *);
  69 extern struct ospf_route *ospf_external_route_lookup (struct ospf *,
  70                                                struct prefix_ipv4 *);
  71 extern void ospf_asbr_status_update (struct ospf *, u_char);
  72
  73 extern void ospf_redistribute_withdraw (struct ospf *, u_char);
  74 extern void ospf_asbr_check (void);
  75 extern void ospf_schedule_asbr_check (void);
  76 extern void ospf_asbr_route_install_lsa (struct ospf_lsa *);
  77 extern struct ospf_lsa *ospf_external_info_find_lsa (struct ospf *,
  78                                               struct prefix_ipv4 *p);
  79
  80 #endif /* _ZEBRA_OSPF_ASBR_H */