ospf_asbr.h 2.7 KB

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  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. #ifndef _ZEBRA_OSPF_ASBR_H
  23. #define _ZEBRA_OSPF_ASBR_H
  24. struct route_map_set_values
  25. {
  26. int32_t metric;
  27. int32_t metric_type;
  28. };
  29. /* Redistributed external information. */
  30. struct external_info
  31. {
  32. /* Type of source protocol. */
  33. u_char type;
  34. /* Prefix. */
  35. struct prefix_ipv4 p;
  36. /* Interface index. */
  37. ifindex_t ifindex;
  38. /* Nexthop address. */
  39. struct in_addr nexthop;
  40. /* Additional Route tag: this is the wire type */
  41. u_int32_t tag;
  42. struct route_map_set_values route_map_set;
  43. #define ROUTEMAP_METRIC(E) (E)->route_map_set.metric
  44. #define ROUTEMAP_METRIC_TYPE(E) (E)->route_map_set.metric_type
  45. };
  46. #define OSPF_ASBR_CHECK_DELAY 30
  47. extern void ospf_external_route_remove (struct ospf *, struct prefix_ipv4 *);
  48. extern struct external_info *ospf_external_info_new (u_char);
  49. extern void ospf_reset_route_map_set_values (struct route_map_set_values *);
  50. extern int ospf_route_map_set_compare (struct route_map_set_values *,
  51. struct route_map_set_values *);
  52. extern struct external_info *ospf_external_info_add (u_char,
  53. struct prefix_ipv4,
  54. ifindex_t,
  55. struct in_addr,
  56. route_tag_t);
  57. extern void ospf_external_info_delete (u_char, struct prefix_ipv4);
  58. extern struct external_info *ospf_external_info_lookup (u_char,
  59. struct prefix_ipv4 *);
  60. extern struct ospf_route *ospf_external_route_lookup (struct ospf *,
  61. struct prefix_ipv4 *);
  62. extern void ospf_asbr_status_update (struct ospf *, u_char);
  63. extern void ospf_redistribute_withdraw (struct ospf *, u_char);
  64. extern void ospf_asbr_check (void);
  65. extern void ospf_schedule_asbr_check (void);
  66. extern void ospf_asbr_route_install_lsa (struct ospf_lsa *);
  67. extern struct ospf_lsa *ospf_external_info_find_lsa (struct ospf *,
  68. struct prefix_ipv4 *p);
  69. #endif /* _ZEBRA_OSPF_ASBR_H */