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   u_short instance;
  39
  40   /* Prefix. */
  41   struct prefix_ipv4 p;
  42
  43   /* Interface index. */
  44   ifindex_t ifindex;
  45
  46   /* Nexthop address. */
  47   struct in_addr nexthop;
  48
  49   /* Additional Route tag. */
  50   u_int32_t tag;
  51
  52   struct route_map_set_values route_map_set;
  53 #define ROUTEMAP_METRIC(E)      (E)->route_map_set.metric
  54 #define ROUTEMAP_METRIC_TYPE(E) (E)->route_map_set.metric_type
  55 };
  56
  57 #define OSPF_ASBR_CHECK_DELAY 30
  58
  59 extern void ospf_external_route_remove (struct ospf *, struct prefix_ipv4 *);
  60 extern struct external_info *ospf_external_info_new (u_char, u_short);
  61 extern void ospf_reset_route_map_set_values (struct route_map_set_values *);
  62 extern int ospf_route_map_set_compare (struct route_map_set_values *,
  63                                 struct route_map_set_values *);
  64 extern struct external_info *ospf_external_info_add (u_char, u_short,
  65                                               struct prefix_ipv4,
  66                                               ifindex_t,
  67                                               struct in_addr,
  68                                               u_short);
  69 extern void ospf_external_info_delete (u_char, u_short, struct prefix_ipv4);
  70 extern struct external_info *ospf_external_info_lookup (u_char, u_short,
  71                                                  struct prefix_ipv4 *);
  72 extern struct ospf_route *ospf_external_route_lookup (struct ospf *,
  73                                                struct prefix_ipv4 *);
  74 extern void ospf_asbr_status_update (struct ospf *, u_char);
  75
  76 extern void ospf_redistribute_withdraw (struct ospf *, u_char, u_short);
  77 extern void ospf_asbr_check (void);
  78 extern void ospf_schedule_asbr_check (void);
  79 extern void ospf_asbr_route_install_lsa (struct ospf_lsa *);
  80 extern struct ospf_lsa *ospf_external_info_find_lsa (struct ospf *,
  81                                               struct prefix_ipv4 *p);
  82
  83 #endif /* _ZEBRA_OSPF_ASBR_H */