ospf6d/ospf6_interface.h

   1 /*
   2  * Copyright (C) 2003 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_INTERFACE_H
  23 #define OSPF6_INTERFACE_H
  24
  25 #include "if.h"
  26
  27 /* Debug option */
  28 extern unsigned char conf_debug_ospf6_interface;
  29 #define OSPF6_DEBUG_INTERFACE_ON() \
  30   (conf_debug_ospf6_interface = 1)
  31 #define OSPF6_DEBUG_INTERFACE_OFF() \
  32   (conf_debug_ospf6_interface = 0)
  33 #define IS_OSPF6_DEBUG_INTERFACE \
  34   (conf_debug_ospf6_interface)
  35
  36 /* Interface structure */
  37 struct ospf6_interface
  38 {
  39   /* IF info from zebra */
  40   struct interface *interface;
  41
  42   /* back pointer */
  43   struct ospf6_area *area;
  44
  45   /* list of ospf6 neighbor */
  46   struct list *neighbor_list;
  47
  48   /* linklocal address of this I/F */
  49   struct in6_addr *linklocal_addr;
  50
  51   /* Interface ID; use interface->ifindex */
  52
  53   /* ospf6 instance id */
  54   u_char instance_id;
  55
  56   /* I/F transmission delay */
  57   u_int32_t transdelay;
  58
  59   /* Router Priority */
  60   u_char priority;
  61
  62   /* Time Interval */
  63   u_int16_t hello_interval;
  64   u_int16_t dead_interval;
  65   u_int32_t rxmt_interval;
  66
  67   /* Cost */
  68   u_int32_t cost;
  69
  70   /* I/F MTU */
  71   u_int32_t ifmtu;
  72
  73   /* Interface State */
  74   u_char state;
  75
  76   /* OSPF6 Interface flag */
  77   char flag;
  78
  79   /* Decision of DR Election */
  80   u_int32_t drouter;
  81   u_int32_t bdrouter;
  82   u_int32_t prev_drouter;
  83   u_int32_t prev_bdrouter;
  84
  85   /* Linklocal LSA Database: includes Link-LSA */
  86   struct ospf6_lsdb *lsdb;
  87   struct ospf6_lsdb *lsdb_self;
  88
  89   struct ospf6_lsdb *lsupdate_list;
  90   struct ospf6_lsdb *lsack_list;
  91
  92   /* Ongoing Tasks */
  93   struct thread *thread_send_hello;
  94   struct thread *thread_send_lsupdate;
  95   struct thread *thread_send_lsack;
  96
  97   struct thread *thread_network_lsa;
  98   struct thread *thread_link_lsa;
  99   struct thread *thread_intra_prefix_lsa;
 100
 101   struct ospf6_route_table *route_connected;
 102
 103   /* prefix-list name to filter connected prefix */
 104   char *plist_name;
 105 };
 106
 107 /* interface state */
 108 #define OSPF6_INTERFACE_NONE             0
 109 #define OSPF6_INTERFACE_DOWN             1
 110 #define OSPF6_INTERFACE_LOOPBACK         2
 111 #define OSPF6_INTERFACE_WAITING          3
 112 #define OSPF6_INTERFACE_POINTTOPOINT     4
 113 #define OSPF6_INTERFACE_DROTHER          5
 114 #define OSPF6_INTERFACE_BDR              6
 115 #define OSPF6_INTERFACE_DR               7
 116 #define OSPF6_INTERFACE_MAX              8
 117
 118 extern const char *ospf6_interface_state_str[];
 119
 120 /* flags */
 121 #define OSPF6_INTERFACE_DISABLE      0x01
 122 #define OSPF6_INTERFACE_PASSIVE      0x02
 123
 124 \f
 125 /* Function Prototypes */
 126
 127 extern struct ospf6_interface *ospf6_interface_lookup_by_ifindex (int);
 128 extern struct ospf6_interface *ospf6_interface_create (struct interface *);
 129 extern void ospf6_interface_delete (struct ospf6_interface *);
 130
 131 extern void ospf6_interface_enable (struct ospf6_interface *);
 132 extern void ospf6_interface_disable (struct ospf6_interface *);
 133
 134 extern void ospf6_interface_if_add (struct interface *);
 135 extern void ospf6_interface_if_del (struct interface *);
 136 extern void ospf6_interface_state_update (struct interface *);
 137 extern void ospf6_interface_connected_route_update (struct interface *);
 138
 139 /* interface event */
 140 extern int interface_up (struct thread *);
 141 extern int interface_down (struct thread *);
 142 extern int wait_timer (struct thread *);
 143 extern int backup_seen (struct thread *);
 144 extern int neighbor_change (struct thread *);
 145
 146 extern void ospf6_interface_init (void);
 147
 148 extern int config_write_ospf6_debug_interface (struct vty *vty);
 149 extern void install_element_ospf6_debug_interface (void);
 150
 151 #endif /* OSPF6_INTERFACE_H */