ospf6d/ospf6_asbr.h

   1 /*
   2  * Copyright (C) 2001 Yasuhiro Ohara
   3  *
   4  * This file is part of GNU Zebra.
   5  *
   6  * GNU Zebra is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * GNU Zebra is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GNU Zebra; see the file COPYING.  If not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #ifndef OSPF6_ASBR_H
  23 #define OSPF6_ASBR_H
  24
  25 /* for struct ospf6_prefix */
  26 #include "ospf6_proto.h"
  27 /* for struct ospf6_lsa */
  28 #include "ospf6_lsa.h"
  29 /* for struct ospf6_route */
  30 #include "ospf6_route.h"
  31
  32 /* Debug option */
  33 extern unsigned char conf_debug_ospf6_asbr;
  34 #define OSPF6_DEBUG_ASBR_ON() \
  35   (conf_debug_ospf6_asbr = 1)
  36 #define OSPF6_DEBUG_ASBR_OFF() \
  37   (conf_debug_ospf6_asbr = 0)
  38 #define IS_OSPF6_DEBUG_ASBR \
  39   (conf_debug_ospf6_asbr)
  40
  41 struct ospf6_external_info
  42 {
  43   /* External route type */
  44   int type;
  45
  46   /* Originating Link State ID */
  47   u_int32_t id;
  48
  49   struct in6_addr forwarding;
  50   /* u_int32_t tag; */
  51
  52   unsigned int ifindex;
  53 };
  54
  55 /* AS-External-LSA */
  56 #define OSPF6_AS_EXTERNAL_LSA_MIN_SIZE         4U /* w/o IPv6 prefix */
  57 struct ospf6_as_external_lsa
  58 {
  59   u_int32_t bits_metric;
  60
  61   struct ospf6_prefix prefix;
  62   /* followed by none or one forwarding address */
  63   /* followed by none or one external route tag */
  64   /* followed by none or one referenced LS-ID */
  65 };
  66
  67 #define OSPF6_ASBR_BIT_T  ntohl (0x01000000)
  68 #define OSPF6_ASBR_BIT_F  ntohl (0x02000000)
  69 #define OSPF6_ASBR_BIT_E  ntohl (0x04000000)
  70
  71 #define OSPF6_ASBR_METRIC(E) (ntohl ((E)->bits_metric & htonl (0x00ffffff)))
  72 #define OSPF6_ASBR_METRIC_SET(E,C) \
  73   { (E)->bits_metric &= htonl (0xff000000); \
  74     (E)->bits_metric |= htonl (0x00ffffff) & htonl (C); }
  75
  76 extern void ospf6_asbr_lsa_add (struct ospf6_lsa *lsa);
  77 extern void ospf6_asbr_lsa_remove (struct ospf6_lsa *lsa);
  78 extern void ospf6_asbr_lsentry_add (struct ospf6_route *asbr_entry);
  79 extern void ospf6_asbr_lsentry_remove (struct ospf6_route *asbr_entry);
  80
  81 extern int ospf6_asbr_is_asbr (struct ospf6 *o);
  82 extern void ospf6_asbr_redistribute_add (int type, int ifindex,
  83                                          struct prefix *prefix,
  84                                          u_int nexthop_num,
  85                                          struct in6_addr *nexthop);
  86 extern void ospf6_asbr_redistribute_remove (int type, int ifindex,
  87                                             struct prefix *prefix);
  88
  89 extern int ospf6_redistribute_config_write (struct vty *vty);
  90
  91 extern void ospf6_asbr_init (void);
  92 extern void ospf6_asbr_redistribute_reset (void);
  93 extern void ospf6_asbr_terminate (void);
  94 extern void ospf6_asbr_send_externals_to_area (struct ospf6_area *);
  95
  96 extern int config_write_ospf6_debug_asbr (struct vty *vty);
  97 extern void install_element_ospf6_debug_asbr (void);
  98
  99 #endif /* OSPF6_ASBR_H */