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	const const const your boat, merrily down the stream... Signed-off-by: David Lamparter <equinox@diac24.net>
		
			
				
	
	
		
			203 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			203 lines
		
	
	
		
			5.4 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 along
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 * with this program; see the file COPYING; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 "hook.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() (conf_debug_ospf6_interface = 1)
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#define OSPF6_DEBUG_INTERFACE_OFF() (conf_debug_ospf6_interface = 0)
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#define IS_OSPF6_DEBUG_INTERFACE (conf_debug_ospf6_interface)
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/* Interface structure */
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struct ospf6_interface {
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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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	uint8_t instance_id;
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	/* I/F transmission delay */
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	uint32_t transdelay;
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	/* Network Type */
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	uint8_t type;
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	bool type_cfg;
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	/* Router Priority */
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	uint8_t priority;
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	/* Time Interval */
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	uint16_t hello_interval;
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	uint16_t dead_interval;
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	uint32_t rxmt_interval;
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	uint32_t state_change;
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	/* Cost */
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	uint32_t cost;
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	/* I/F MTU */
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	uint32_t ifmtu;
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	/* Configured MTU */
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	uint32_t c_ifmtu;
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	/* Interface State */
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	uint8_t state;
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	/* Interface socket setting trial counter, resets on success */
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	uint8_t sso_try_cnt;
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	struct thread *thread_sso;
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	/* OSPF6 Interface flag */
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	char flag;
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	/* MTU mismatch check */
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	uint8_t mtu_ignore;
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	/* Decision of DR Election */
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	uint32_t drouter;
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	uint32_t bdrouter;
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	uint32_t prev_drouter;
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	uint32_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 thread *thread_as_extern_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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	/* Statistics Fields */
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	uint32_t hello_in;
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	uint32_t hello_out;
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	uint32_t db_desc_in;
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	uint32_t db_desc_out;
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	uint32_t ls_req_in;
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	uint32_t ls_req_out;
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	uint32_t ls_upd_in;
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	uint32_t ls_upd_out;
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	uint32_t ls_ack_in;
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	uint32_t ls_ack_out;
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	uint32_t discarded;
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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 *const 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_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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DECLARE_HOOK(ospf6_interface_change,
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	     (struct ospf6_interface * oi, int state, int old_state),
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	     (oi, state, old_state))
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#endif /* OSPF6_INTERFACE_H */
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