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/*
* Copyright (C) 2003 Yasuhiro Ohara
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef OSPF6_INTERFACE_H
#define OSPF6_INTERFACE_H
#include "if.h"
/* Debug option */
extern unsigned char conf_debug_ospf6_interface;
#define OSPF6_DEBUG_INTERFACE_ON() \
(conf_debug_ospf6_interface = 1)
#define OSPF6_DEBUG_INTERFACE_OFF() \
(conf_debug_ospf6_interface = 0)
#define IS_OSPF6_DEBUG_INTERFACE \
(conf_debug_ospf6_interface)
/* Interface structure */
struct ospf6_interface
{
/* IF info from zebra */
struct interface *interface;
/* back pointer */
struct ospf6_area *area;
/* list of ospf6 neighbor */
struct list *neighbor_list;
/* linklocal address of this I/F */
struct in6_addr *linklocal_addr;
/* Interface ID; use interface->ifindex */
/* ospf6 instance id */
u_char instance_id;
/* I/F transmission delay */
u_int32_t transdelay;
/* Router Priority */
u_char priority;
/* Time Interval */
u_int16_t hello_interval;
u_int16_t dead_interval;
u_int32_t rxmt_interval;
u_int32_t state_change;
/* Cost */
u_int32_t cost;
/* I/F MTU */
u_int32_t ifmtu;
/* Interface State */
u_char state;
/* OSPF6 Interface flag */
char flag;
/* MTU mismatch check */
u_char mtu_ignore;
/* Decision of DR Election */
u_int32_t drouter;
u_int32_t bdrouter;
u_int32_t prev_drouter;
u_int32_t prev_bdrouter;
/* Linklocal LSA Database: includes Link-LSA */
struct ospf6_lsdb *lsdb;
struct ospf6_lsdb *lsdb_self;
struct ospf6_lsdb *lsupdate_list;
struct ospf6_lsdb *lsack_list;
/* Ongoing Tasks */
struct thread *thread_send_hello;
struct thread *thread_send_lsupdate;
struct thread *thread_send_lsack;
struct thread *thread_network_lsa;
struct thread *thread_link_lsa;
struct thread *thread_intra_prefix_lsa;
struct ospf6_route_table *route_connected;
/* prefix-list name to filter connected prefix */
char *plist_name;
};
/* interface state */
#define OSPF6_INTERFACE_NONE 0
#define OSPF6_INTERFACE_DOWN 1
#define OSPF6_INTERFACE_LOOPBACK 2
#define OSPF6_INTERFACE_WAITING 3
#define OSPF6_INTERFACE_POINTTOPOINT 4
#define OSPF6_INTERFACE_DROTHER 5
#define OSPF6_INTERFACE_BDR 6
#define OSPF6_INTERFACE_DR 7
#define OSPF6_INTERFACE_MAX 8
extern const char *ospf6_interface_state_str[];
/* flags */
#define OSPF6_INTERFACE_DISABLE 0x01
#define OSPF6_INTERFACE_PASSIVE 0x02
/* default values */
#define OSPF6_INTERFACE_HELLO_INTERVAL 10
#define OSPF6_INTERFACE_DEAD_INTERVAL 40
#define OSPF6_INTERFACE_RXMT_INTERVAL 5
#define OSPF6_INTERFACE_COST 1
#define OSPF6_INTERFACE_PRIORITY 1
#define OSPF6_INTERFACE_TRANSDELAY 1
#define OSPF6_INTERFACE_INSTANCE_ID 0
/* Function Prototypes */
extern struct ospf6_interface *ospf6_interface_lookup_by_ifindex (int);
extern struct ospf6_interface *ospf6_interface_create (struct interface *);
extern void ospf6_interface_delete (struct ospf6_interface *);
extern void ospf6_interface_enable (struct ospf6_interface *);
extern void ospf6_interface_disable (struct ospf6_interface *);
extern void ospf6_interface_if_add (struct interface *);
extern void ospf6_interface_if_del (struct interface *);
extern void ospf6_interface_state_update (struct interface *);
extern void ospf6_interface_connected_route_update (struct interface *);
/* interface event */
extern int interface_up (struct thread *);
extern int interface_down (struct thread *);
extern int wait_timer (struct thread *);
extern int backup_seen (struct thread *);
extern int neighbor_change (struct thread *);
extern void ospf6_interface_init (void);
extern int config_write_ospf6_debug_interface (struct vty *vty);
extern void install_element_ospf6_debug_interface (void);
#endif /* OSPF6_INTERFACE_H */
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