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   /* Network Type */
  60   u_char type;
  61
  62   /* Router Priority */
  63   u_char priority;
  64
  65   /* Time Interval */
  66   u_int16_t hello_interval;
  67   u_int16_t dead_interval;
  68   u_int32_t rxmt_interval;
  69
  70   u_int32_t state_change;
  71
  72   /* Cost */
  73   u_int32_t cost;
  74
  75   /* I/F MTU */
  76   u_int32_t ifmtu;
  77
  78   /* Interface State */
  79   u_char state;
  80
  81   /* OSPF6 Interface flag */
  82   char flag;
  83
  84   /* MTU mismatch check */
  85   u_char mtu_ignore;
  86
  87   /* Decision of DR Election */
  88   u_int32_t drouter;
  89   u_int32_t bdrouter;
  90   u_int32_t prev_drouter;
  91   u_int32_t prev_bdrouter;
  92
  93   /* Linklocal LSA Database: includes Link-LSA */
  94   struct ospf6_lsdb *lsdb;
  95   struct ospf6_lsdb *lsdb_self;
  96
  97   struct ospf6_lsdb *lsupdate_list;
  98   struct ospf6_lsdb *lsack_list;
  99
 100   /* Ongoing Tasks */
 101   struct thread *thread_send_hello;
 102   struct thread *thread_send_lsupdate;
 103   struct thread *thread_send_lsack;
 104
 105   struct thread *thread_network_lsa;
 106   struct thread *thread_link_lsa;
 107   struct thread *thread_intra_prefix_lsa;
 108
 109   struct ospf6_route_table *route_connected;
 110
 111   /* prefix-list name to filter connected prefix */
 112   char *plist_name;
 113 };
 114
 115 /* interface state */
 116 #define OSPF6_INTERFACE_NONE             0
 117 #define OSPF6_INTERFACE_DOWN             1
 118 #define OSPF6_INTERFACE_LOOPBACK         2
 119 #define OSPF6_INTERFACE_WAITING          3
 120 #define OSPF6_INTERFACE_POINTTOPOINT     4
 121 #define OSPF6_INTERFACE_DROTHER          5
 122 #define OSPF6_INTERFACE_BDR              6
 123 #define OSPF6_INTERFACE_DR               7
 124 #define OSPF6_INTERFACE_MAX              8
 125
 126 extern const char *ospf6_interface_state_str[];
 127
 128 /* flags */
 129 #define OSPF6_INTERFACE_DISABLE      0x01
 130 #define OSPF6_INTERFACE_PASSIVE      0x02
 131
 132 /* default values */
 133 #define OSPF6_INTERFACE_HELLO_INTERVAL 10
 134 #define OSPF6_INTERFACE_DEAD_INTERVAL  40
 135 #define OSPF6_INTERFACE_RXMT_INTERVAL  5
 136 #define OSPF6_INTERFACE_COST           1
 137 #define OSPF6_INTERFACE_PRIORITY       1
 138 #define OSPF6_INTERFACE_TRANSDELAY     1
 139 #define OSPF6_INTERFACE_INSTANCE_ID    0
 140
 141 \f
 142 /* Function Prototypes */
 143
 144 extern struct ospf6_interface *ospf6_interface_lookup_by_ifindex (int);
 145 extern struct ospf6_interface *ospf6_interface_create (struct interface *);
 146 extern void ospf6_interface_delete (struct ospf6_interface *);
 147
 148 extern void ospf6_interface_enable (struct ospf6_interface *);
 149 extern void ospf6_interface_disable (struct ospf6_interface *);
 150
 151 extern void ospf6_interface_if_add (struct interface *);
 152 extern void ospf6_interface_if_del (struct interface *);
 153 extern void ospf6_interface_state_update (struct interface *);
 154 extern void ospf6_interface_connected_route_update (struct interface *);
 155
 156 /* interface event */
 157 extern int interface_up (struct thread *);
 158 extern int interface_down (struct thread *);
 159 extern int wait_timer (struct thread *);
 160 extern int backup_seen (struct thread *);
 161 extern int neighbor_change (struct thread *);
 162
 163 extern void ospf6_interface_init (void);
 164
 165 extern int config_write_ospf6_debug_interface (struct vty *vty);
 166 extern void install_element_ospf6_debug_interface (void);
 167
 168 #endif /* OSPF6_INTERFACE_H */