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186 lines
5.0 KiB
C
186 lines
5.0 KiB
C
/*
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* Copyright (C) 2003 Yasuhiro Ohara
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef OSPF6_INTERFACE_H
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#define OSPF6_INTERFACE_H
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#include "qobj.h"
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#include "if.h"
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/* Debug option */
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extern unsigned char conf_debug_ospf6_interface;
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#define OSPF6_DEBUG_INTERFACE_ON() \
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(conf_debug_ospf6_interface = 1)
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#define OSPF6_DEBUG_INTERFACE_OFF() \
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(conf_debug_ospf6_interface = 0)
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#define IS_OSPF6_DEBUG_INTERFACE \
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(conf_debug_ospf6_interface)
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/* Interface structure */
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struct ospf6_interface
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{
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/* IF info from zebra */
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struct interface *interface;
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/* back pointer */
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struct ospf6_area *area;
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/* list of ospf6 neighbor */
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struct list *neighbor_list;
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/* linklocal address of this I/F */
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struct in6_addr *linklocal_addr;
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/* Interface ID; use interface->ifindex */
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/* ospf6 instance id */
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u_char instance_id;
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/* I/F transmission delay */
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u_int32_t transdelay;
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/* Network Type */
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u_char type;
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/* Router Priority */
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u_char priority;
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/* Time Interval */
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u_int16_t hello_interval;
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u_int16_t dead_interval;
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u_int32_t rxmt_interval;
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u_int32_t state_change;
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/* Cost */
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u_int32_t cost;
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/* I/F MTU */
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u_int32_t ifmtu;
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/* Interface State */
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u_char state;
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/* Interface socket setting trial counter, resets on success */
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u_char sso_try_cnt;
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/* OSPF6 Interface flag */
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char flag;
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/* MTU mismatch check */
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u_char mtu_ignore;
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/* Decision of DR Election */
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u_int32_t drouter;
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u_int32_t bdrouter;
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u_int32_t prev_drouter;
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u_int32_t prev_bdrouter;
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/* Linklocal LSA Database: includes Link-LSA */
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struct ospf6_lsdb *lsdb;
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struct ospf6_lsdb *lsdb_self;
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struct ospf6_lsdb *lsupdate_list;
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struct ospf6_lsdb *lsack_list;
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/* Ongoing Tasks */
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struct thread *thread_send_hello;
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struct thread *thread_send_lsupdate;
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struct thread *thread_send_lsack;
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struct thread *thread_network_lsa;
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struct thread *thread_link_lsa;
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struct thread *thread_intra_prefix_lsa;
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struct ospf6_route_table *route_connected;
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/* prefix-list name to filter connected prefix */
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char *plist_name;
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/* BFD information */
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void *bfd_info;
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QOBJ_FIELDS
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};
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DECLARE_QOBJ_TYPE(ospf6_interface)
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/* interface state */
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#define OSPF6_INTERFACE_NONE 0
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#define OSPF6_INTERFACE_DOWN 1
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#define OSPF6_INTERFACE_LOOPBACK 2
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#define OSPF6_INTERFACE_WAITING 3
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#define OSPF6_INTERFACE_POINTTOPOINT 4
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#define OSPF6_INTERFACE_DROTHER 5
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#define OSPF6_INTERFACE_BDR 6
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#define OSPF6_INTERFACE_DR 7
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#define OSPF6_INTERFACE_MAX 8
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extern const char *ospf6_interface_state_str[];
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/* flags */
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#define OSPF6_INTERFACE_DISABLE 0x01
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#define OSPF6_INTERFACE_PASSIVE 0x02
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#define OSPF6_INTERFACE_NOAUTOCOST 0x04
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/* default values */
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#define OSPF6_INTERFACE_HELLO_INTERVAL 10
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#define OSPF6_INTERFACE_DEAD_INTERVAL 40
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#define OSPF6_INTERFACE_RXMT_INTERVAL 5
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#define OSPF6_INTERFACE_COST 1
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#define OSPF6_INTERFACE_PRIORITY 1
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#define OSPF6_INTERFACE_TRANSDELAY 1
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#define OSPF6_INTERFACE_INSTANCE_ID 0
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#define OSPF6_INTERFACE_BANDWIDTH 10000 /* Mbps */
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#define OSPF6_REFERENCE_BANDWIDTH 100000 /* Mbps */
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#define OSPF6_INTERFACE_SSO_RETRY_INT 1
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#define OSPF6_INTERFACE_SSO_RETRY_MAX 5
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/* Function Prototypes */
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extern struct ospf6_interface *ospf6_interface_lookup_by_ifindex (ifindex_t);
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extern struct ospf6_interface *ospf6_interface_create (struct interface *);
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extern void ospf6_interface_delete (struct ospf6_interface *);
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extern void ospf6_interface_enable (struct ospf6_interface *);
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extern void ospf6_interface_disable (struct ospf6_interface *);
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extern void ospf6_interface_if_add (struct interface *);
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extern void ospf6_interface_if_del (struct interface *);
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extern void ospf6_interface_state_update (struct interface *);
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extern void ospf6_interface_connected_route_update (struct interface *);
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/* interface event */
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extern int interface_up (struct thread *);
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extern int interface_down (struct thread *);
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extern int wait_timer (struct thread *);
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extern int backup_seen (struct thread *);
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extern int neighbor_change (struct thread *);
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extern void ospf6_interface_init (void);
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extern void install_element_ospf6_clear_interface (void);
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extern int config_write_ospf6_debug_interface (struct vty *vty);
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extern void install_element_ospf6_debug_interface (void);
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#endif /* OSPF6_INTERFACE_H */
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