[mirror_frr.git] / ospfd / ospf_interface.h

/*
 * OSPF Interface functions.
 * Copyright (C) 1999 Toshiaki Takada
 *
 * 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 _ZEBRA_OSPF_INTERFACE_H
#define _ZEBRA_OSPF_INTERFACE_H

#include "qobj.h"
#include "ospfd/ospf_packet.h"
#include "ospfd/ospf_spf.h"

#define IF_OSPF_IF_INFO(I) ((struct ospf_if_info *)((I)->info))
#define IF_DEF_PARAMS(I) (IF_OSPF_IF_INFO (I)->def_params)
#define IF_OIFS(I)  (IF_OSPF_IF_INFO (I)->oifs)
#define IF_OIFS_PARAMS(I) (IF_OSPF_IF_INFO (I)->params)
			    
#define OSPF_IF_PARAM_CONFIGURED(S, P) ((S) && (S)->P##__config)
#define OSPF_IF_PARAM(O, P) \
        (OSPF_IF_PARAM_CONFIGURED ((O)->params, P)?\
                        (O)->params->P:IF_DEF_PARAMS((O)->ifp)->P)

#define DECLARE_IF_PARAM(T, P) T P; u_char P##__config:1
#define UNSET_IF_PARAM(S, P) ((S)->P##__config) = 0
#define SET_IF_PARAM(S, P) ((S)->P##__config) = 1

struct ospf_if_params
{
  DECLARE_IF_PARAM (u_int32_t, transmit_delay); /* Interface Transmisson Delay */
  DECLARE_IF_PARAM (u_int32_t, output_cost_cmd);/* Command Interface Output Cost */
  DECLARE_IF_PARAM (u_int32_t, retransmit_interval); /* Retransmission Interval */
  DECLARE_IF_PARAM (u_char, passive_interface);      /* OSPF Interface is passive: no sending or receiving (no need to join multicast groups) */
  DECLARE_IF_PARAM (u_char, priority);               /* OSPF Interface priority */
  /* Enable OSPF on this interface with area if_area */
  DECLARE_IF_PARAM (struct in_addr, if_area);
  DECLARE_IF_PARAM (u_char, type);                   /* type of interface */
#define OSPF_IF_ACTIVE                  0
#define OSPF_IF_PASSIVE		        1

#define OSPF_IF_PASSIVE_STATUS(O) \
       (OSPF_IF_PARAM_CONFIGURED((O)->params, passive_interface) ? \
         (O)->params->passive_interface : \
         (OSPF_IF_PARAM_CONFIGURED(IF_DEF_PARAMS((O)->ifp), passive_interface) ? \
           IF_DEF_PARAMS((O)->ifp)->passive_interface : \
           (O)->ospf->passive_interface_default))
  
  DECLARE_IF_PARAM (u_int32_t, v_hello);             /* Hello Interval */
  DECLARE_IF_PARAM (u_int32_t, v_wait);              /* Router Dead Interval */

  /* MTU mismatch check (see RFC2328, chap 10.6) */ 
  DECLARE_IF_PARAM (u_char, mtu_ignore);
  
  /* Fast-Hellos */
  DECLARE_IF_PARAM (u_char, fast_hello);
  
  /* Authentication data. */
  u_char auth_simple[OSPF_AUTH_SIMPLE_SIZE + 1];       /* Simple password. */
  u_char auth_simple__config:1;
  
  DECLARE_IF_PARAM (struct list *, auth_crypt);    /* List of Auth cryptographic data. */
  DECLARE_IF_PARAM (int, auth_type);               /* OSPF authentication type */
  
  /* Other, non-configuration state */
  u_int32_t network_lsa_seqnum;		/* Network LSA seqnum */

  /* BFD configuration */
  struct bfd_info *bfd_info;
};

enum
{
  MEMBER_ALLROUTERS = 0,
  MEMBER_DROUTERS,
  MEMBER_MAX,
};

struct ospf_if_info
{
  struct ospf_if_params *def_params;
  struct route_table *params;
  struct route_table *oifs;
  unsigned int membership_counts[MEMBER_MAX];	/* multicast group refcnts */
};

struct ospf_interface;

struct ospf_vl_data
{
  struct in_addr    vl_peer;	   /* Router-ID of the peer for VLs. */
  struct in_addr    vl_area_id;	   /* Transit area for this VL. */
  int format;                      /* area ID format */
  struct ospf_interface *vl_oi;	   /* Interface data structure for the VL. */
  struct vertex_nexthop nexthop;   /* Nexthop router and oi to use */
  struct in_addr    peer_addr;	   /* Address used to reach the peer. */
  u_char flags;
};


#define OSPF_VL_MAX_COUNT 256
#define OSPF_VL_MTU	  1500

#define OSPF_VL_FLAG_APPROVED 0x01

struct crypt_key
{
  u_char key_id;
  u_char auth_key[OSPF_AUTH_MD5_SIZE + 1];
};

/* OSPF interface structure. */
struct ospf_interface
{
  /* This interface's parent ospf instance. */
  struct ospf *ospf;

  /* OSPF Area. */
  struct ospf_area *area;

  /* Position range in Router LSA */
  uint16_t lsa_pos_beg; /* inclusive, >= */
  uint16_t lsa_pos_end; /* exclusive, <  */

  /* Interface data from zebra. */
  struct interface *ifp;
  struct ospf_vl_data *vl_data;		/* Data for Virtual Link */
  
  /* Packet send buffer. */
  struct ospf_fifo *obuf;		/* Output queue */

  /* OSPF Network Type. */
  u_char type;

  /* State of Interface State Machine. */
  u_char state;

  /* To which multicast groups do we currently belong? */
  u_char multicast_memberships;
#define OI_MEMBER_FLAG(M) (1 << (M))
#define OI_MEMBER_COUNT(O,M) (IF_OSPF_IF_INFO(oi->ifp)->membership_counts[(M)])
#define OI_MEMBER_CHECK(O,M) \
    (CHECK_FLAG((O)->multicast_memberships, OI_MEMBER_FLAG(M)))
#define OI_MEMBER_JOINED(O,M) \
  do { \
    SET_FLAG ((O)->multicast_memberships, OI_MEMBER_FLAG(M)); \
    IF_OSPF_IF_INFO((O)->ifp)->membership_counts[(M)]++; \
  } while (0)
#define OI_MEMBER_LEFT(O,M) \
  do { \
    UNSET_FLAG ((O)->multicast_memberships, OI_MEMBER_FLAG(M)); \
    IF_OSPF_IF_INFO((O)->ifp)->membership_counts[(M)]--; \
  } while (0)

  struct prefix *address;		/* Interface prefix */
  struct connected *connected;          /* Pointer to connected */ 

  /* Configured varables. */
  struct ospf_if_params *params;
  
  u_int32_t crypt_seqnum;		/* Cryptographic Sequence Number */ 
  u_int32_t output_cost;	        /* Acutual Interface Output Cost */

  /* Neighbor information. */
  struct route_table *nbrs;             /* OSPF Neighbor List */
  struct ospf_neighbor *nbr_self;	/* Neighbor Self */
#define DR(I)			((I)->nbr_self->d_router)
#define BDR(I)			((I)->nbr_self->bd_router)
#define OPTIONS(I)		((I)->nbr_self->options)
#define PRIORITY(I)		((I)->nbr_self->priority)

  /* List of configured NBMA neighbor. */
  struct list *nbr_nbma;

  /* self-originated LSAs. */
  struct ospf_lsa *network_lsa_self;	/* network-LSA. */
  struct list *opaque_lsa_self;			/* Type-9 Opaque-LSAs */

  struct route_table *ls_upd_queue;

  struct list *ls_ack;			/* Link State Acknowledgment list. */
  
  struct
  {
    struct list *ls_ack;
    struct in_addr dst;
  } ls_ack_direct;

  /* Timer values. */
  u_int32_t v_ls_ack;			/* Delayed Link State Acknowledgment */

  /* Threads. */
  struct thread *t_hello;               /* timer */
  struct thread *t_wait;                /* timer */
  struct thread *t_ls_ack;              /* timer */
  struct thread *t_ls_ack_direct;       /* event */
  struct thread *t_ls_upd_event;        /* event */
  struct thread *t_opaque_lsa_self;     /* Type-9 Opaque-LSAs */

  int on_write_q;
  
  /* Statistics fields. */
  u_int32_t hello_in;	        /* Hello message input count. */
  u_int32_t hello_out;	        /* Hello message output count. */
  u_int32_t db_desc_in;         /* database desc. message input count. */
  u_int32_t db_desc_out;        /* database desc. message output count. */
  u_int32_t ls_req_in;          /* LS request message input count. */
  u_int32_t ls_req_out;         /* LS request message output count. */
  u_int32_t ls_upd_in;          /* LS update message input count. */
  u_int32_t ls_upd_out;         /* LS update message output count. */
  u_int32_t ls_ack_in;          /* LS Ack message input count. */
  u_int32_t ls_ack_out;         /* LS Ack message output count. */
  u_int32_t discarded;		/* discarded input count by error. */
  u_int32_t state_change;	/* Number of status change. */

  u_int32_t full_nbrs;

  QOBJ_FIELDS
};
DECLARE_QOBJ_TYPE(ospf_interface)

/* Prototypes. */
extern char *ospf_if_name (struct ospf_interface *);
extern struct ospf_interface *ospf_if_new (struct ospf *, struct interface *,
					   struct prefix *);
extern void ospf_if_cleanup (struct ospf_interface *);
extern void ospf_if_free (struct ospf_interface *);
extern int ospf_if_up (struct ospf_interface *);
extern int ospf_if_down (struct ospf_interface *);

extern int ospf_if_is_up (struct ospf_interface *);
extern struct ospf_interface *ospf_if_exists (struct ospf_interface *);
extern struct ospf_interface *ospf_if_lookup_by_lsa_pos (struct ospf_area *,
							 int);
extern struct ospf_interface *ospf_if_lookup_by_local_addr (struct ospf *,
							    struct interface
							    *,
							    struct in_addr);
extern struct ospf_interface *ospf_if_lookup_by_prefix (struct ospf *,
							struct prefix_ipv4 *);
extern struct ospf_interface *ospf_if_table_lookup (struct interface *,
						    struct prefix *);
extern struct ospf_interface *ospf_if_addr_local (struct in_addr);
extern struct ospf_interface *ospf_if_lookup_recv_if (struct ospf *,
						      struct in_addr,
						      struct interface *);
extern struct ospf_interface *ospf_if_is_configured (struct ospf *,
						     struct in_addr *);

extern struct ospf_if_params *ospf_lookup_if_params (struct interface *,
						     struct in_addr);
extern struct ospf_if_params *ospf_get_if_params (struct interface *,
						  struct in_addr);
extern void ospf_del_if_params (struct ospf_if_params *);
extern void ospf_free_if_params (struct interface *, struct in_addr);
extern void ospf_if_update_params (struct interface *, struct in_addr);

extern int ospf_if_new_hook (struct interface *);
extern void ospf_if_init (void);
extern void ospf_if_stream_set (struct ospf_interface *);
extern void ospf_if_stream_unset (struct ospf_interface *);
extern void ospf_if_reset_variables (struct ospf_interface *);
extern int ospf_if_is_enable (struct ospf_interface *);
extern int ospf_if_get_output_cost (struct ospf_interface *);
extern void ospf_if_recalculate_output_cost (struct interface *);

/* Simulate down/up on the interface. */
extern void ospf_if_reset (struct interface *);

extern struct ospf_interface *ospf_vl_new (struct ospf *,
					   struct ospf_vl_data *);
extern struct ospf_vl_data *ospf_vl_data_new (struct ospf_area *,
					      struct in_addr);
extern struct ospf_vl_data *ospf_vl_lookup (struct ospf *, struct ospf_area *,
					    struct in_addr);
extern void ospf_vl_data_free (struct ospf_vl_data *);
extern void ospf_vl_add (struct ospf *, struct ospf_vl_data *);
extern void ospf_vl_delete (struct ospf *, struct ospf_vl_data *);
extern void ospf_vl_up_check (struct ospf_area *, struct in_addr,
			      struct vertex *);
extern void ospf_vl_unapprove (struct ospf *);
extern void ospf_vl_shut_unapproved (struct ospf *);
extern int ospf_full_virtual_nbrs (struct ospf_area *);
extern int ospf_vls_in_area (struct ospf_area *);

extern struct crypt_key *ospf_crypt_key_lookup (struct list *, u_char);
extern struct crypt_key *ospf_crypt_key_new (void);
extern void ospf_crypt_key_add (struct list *, struct crypt_key *);
extern int ospf_crypt_key_delete (struct list *, u_char);

extern u_char ospf_default_iftype (struct interface *ifp);

/* Set all multicast memberships appropriately based on the type and
   state of the interface. */
extern void ospf_if_set_multicast (struct ospf_interface *);

#endif /* _ZEBRA_OSPF_INTERFACE_H */
Commit	Line	Data
718e3744	1	/*
	2	* OSPF Interface functions.
	3	* Copyright (C) 1999 Toshiaki Takada
	4	*
	5	* This file is part of GNU Zebra.
	6	*
	7	* GNU Zebra is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published
	9	* by the Free Software Foundation; either version 2, or (at your
	10	* option) any later version.
	11	*
	12	* GNU Zebra is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with GNU Zebra; see the file COPYING. If not, write to the
	19	* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	20	* Boston, MA 02111-1307, USA.
	21	*/
	22
	23	#ifndef _ZEBRA_OSPF_INTERFACE_H
	24	#define _ZEBRA_OSPF_INTERFACE_H
	25
ae19c240	26	#include "qobj.h"
6c835671	27	#include "ospfd/ospf_packet.h"
9c27ef9b	28	#include "ospfd/ospf_spf.h"
718e3744	29
	30	#define IF_OSPF_IF_INFO(I) ((struct ospf_if_info *)((I)->info))
	31	#define IF_DEF_PARAMS(I) (IF_OSPF_IF_INFO (I)->def_params)
	32	#define IF_OIFS(I) (IF_OSPF_IF_INFO (I)->oifs)
	33	#define IF_OIFS_PARAMS(I) (IF_OSPF_IF_INFO (I)->params)
	34
	35	#define OSPF_IF_PARAM_CONFIGURED(S, P) ((S) && (S)->P##__config)
	36	#define OSPF_IF_PARAM(O, P) \
	37	(OSPF_IF_PARAM_CONFIGURED ((O)->params, P)?\
	38	(O)->params->P:IF_DEF_PARAMS((O)->ifp)->P)
	39
	40	#define DECLARE_IF_PARAM(T, P) T P; u_char P##__config:1
	41	#define UNSET_IF_PARAM(S, P) ((S)->P##__config) = 0
	42	#define SET_IF_PARAM(S, P) ((S)->P##__config) = 1
	43
	44	struct ospf_if_params
	45	{
	46	DECLARE_IF_PARAM (u_int32_t, transmit_delay); /* Interface Transmisson Delay */
	47	DECLARE_IF_PARAM (u_int32_t, output_cost_cmd);/* Command Interface Output Cost */
	48	DECLARE_IF_PARAM (u_int32_t, retransmit_interval); /* Retransmission Interval */
ba6454ec	49	DECLARE_IF_PARAM (u_char, passive_interface); /* OSPF Interface is passive: no sending or receiving (no need to join multicast groups) */
718e3744	50	DECLARE_IF_PARAM (u_char, priority); /* OSPF Interface priority */
953cde65 JT	51	/* Enable OSPF on this interface with area if_area */
953cde65 JT	52	DECLARE_IF_PARAM (struct in_addr, if_area);
718e3744	53	DECLARE_IF_PARAM (u_char, type); /* type of interface */
	54	#define OSPF_IF_ACTIVE 0
	55	#define OSPF_IF_PASSIVE 1
7ffa8fa2 PJ	56
	57	#define OSPF_IF_PASSIVE_STATUS(O) \
	58	(OSPF_IF_PARAM_CONFIGURED((O)->params, passive_interface) ? \
	59	(O)->params->passive_interface : \
	60	(OSPF_IF_PARAM_CONFIGURED(IF_DEF_PARAMS((O)->ifp), passive_interface) ? \
	61	IF_DEF_PARAMS((O)->ifp)->passive_interface : \
	62	(O)->ospf->passive_interface_default))
718e3744	63
	64	DECLARE_IF_PARAM (u_int32_t, v_hello); /* Hello Interval */
	65	DECLARE_IF_PARAM (u_int32_t, v_wait); /* Router Dead Interval */
	66
ba682537	67	/* MTU mismatch check (see RFC2328, chap 10.6) */
ba682537	68	DECLARE_IF_PARAM (u_char, mtu_ignore);
f9ad937f	69
	70	/* Fast-Hellos */
	71	DECLARE_IF_PARAM (u_char, fast_hello);
	72
718e3744	73	/* Authentication data. */
	74	u_char auth_simple[OSPF_AUTH_SIMPLE_SIZE + 1]; /* Simple password. */
	75	u_char auth_simple__config:1;
	76
52dc7ee6	77	DECLARE_IF_PARAM (struct list , auth_crypt); / List of Auth cryptographic data. */
718e3744	78	DECLARE_IF_PARAM (int, auth_type); /* OSPF authentication type */
7eb5b47e PJ	79
	80	/* Other, non-configuration state */
	81	u_int32_t network_lsa_seqnum; /* Network LSA seqnum */
7f342629 DS	82
7f342629 DS	83	/* BFD configuration */
c0325cfa	84	struct bfd_info *bfd_info;
718e3744	85	};
718e3744	86
429ac78c PJ	87	enum
	88	{
	89	MEMBER_ALLROUTERS = 0,
	90	MEMBER_DROUTERS,
	91	MEMBER_MAX,
	92	};
	93
718e3744	94	struct ospf_if_info
	95	{
	96	struct ospf_if_params *def_params;
	97	struct route_table *params;
	98	struct route_table *oifs;
429ac78c	99	unsigned int membership_counts[MEMBER_MAX]; /* multicast group refcnts */
718e3744	100	};
	101
	102	struct ospf_interface;
	103
	104	struct ospf_vl_data
	105	{
	106	struct in_addr vl_peer; /* Router-ID of the peer for VLs. */
	107	struct in_addr vl_area_id; /* Transit area for this VL. */
	108	int format; /* area ID format */
	109	struct ospf_interface vl_oi; / Interface data structure for the VL. */
9c27ef9b	110	struct vertex_nexthop nexthop; /* Nexthop router and oi to use */
718e3744	111	struct in_addr peer_addr; /* Address used to reach the peer. */
	112	u_char flags;
	113	};
	114
	115
	116	#define OSPF_VL_MAX_COUNT 256
	117	#define OSPF_VL_MTU 1500
	118
	119	#define OSPF_VL_FLAG_APPROVED 0x01
	120
	121	struct crypt_key
	122	{
	123	u_char key_id;
	124	u_char auth_key[OSPF_AUTH_MD5_SIZE + 1];
	125	};
	126
	127	/* OSPF interface structure. */
	128	struct ospf_interface
	129	{
	130	/* This interface's parent ospf instance. */
	131	struct ospf *ospf;
	132
	133	/* OSPF Area. */
	134	struct ospf_area *area;
	135
c81ee5c9 JT	136	/* Position range in Router LSA */
	137	uint16_t lsa_pos_beg; /* inclusive, >= */
	138	uint16_t lsa_pos_end; /* exclusive, < */
	139
718e3744	140	/* Interface data from zebra. */
	141	struct interface *ifp;
	142	struct ospf_vl_data vl_data; / Data for Virtual Link */
	143
	144	/* Packet send buffer. */
	145	struct ospf_fifo obuf; / Output queue */
	146
	147	/* OSPF Network Type. */
	148	u_char type;
718e3744	149
	150	/* State of Interface State Machine. */
	151	u_char state;
	152
ba6454ec	153	/* To which multicast groups do we currently belong? */
ba6454ec	154	u_char multicast_memberships;
429ac78c PJ	155	#define OI_MEMBER_FLAG(M) (1 << (M))
	156	#define OI_MEMBER_COUNT(O,M) (IF_OSPF_IF_INFO(oi->ifp)->membership_counts[(M)])
	157	#define OI_MEMBER_CHECK(O,M) \
	158	(CHECK_FLAG((O)->multicast_memberships, OI_MEMBER_FLAG(M)))
	159	#define OI_MEMBER_JOINED(O,M) \
	160	do { \
	161	SET_FLAG ((O)->multicast_memberships, OI_MEMBER_FLAG(M)); \
	162	IF_OSPF_IF_INFO((O)->ifp)->membership_counts[(M)]++; \
	163	} while (0)
	164	#define OI_MEMBER_LEFT(O,M) \
	165	do { \
	166	UNSET_FLAG ((O)->multicast_memberships, OI_MEMBER_FLAG(M)); \
	167	IF_OSPF_IF_INFO((O)->ifp)->membership_counts[(M)]--; \
	168	} while (0)
ba6454ec	169
8cfde376	170	struct prefix address; / Interface prefix */
	171	struct connected connected; / Pointer to connected */
	172
718e3744	173	/* Configured varables. */
718e3744	174	struct ospf_if_params *params;
7eb5b47e	175
718e3744	176	u_int32_t crypt_seqnum; /* Cryptographic Sequence Number */
	177	u_int32_t output_cost; /* Acutual Interface Output Cost */
	178
	179	/* Neighbor information. */
	180	struct route_table nbrs; / OSPF Neighbor List */
	181	struct ospf_neighbor nbr_self; / Neighbor Self */
	182	#define DR(I) ((I)->nbr_self->d_router)
	183	#define BDR(I) ((I)->nbr_self->bd_router)
	184	#define OPTIONS(I) ((I)->nbr_self->options)
	185	#define PRIORITY(I) ((I)->nbr_self->priority)
	186
	187	/* List of configured NBMA neighbor. */
52dc7ee6	188	struct list *nbr_nbma;
718e3744	189
	190	/* self-originated LSAs. */
	191	struct ospf_lsa network_lsa_self; / network-LSA. */
87d6f87a	192	struct list opaque_lsa_self; / Type-9 Opaque-LSAs */
718e3744	193
	194	struct route_table *ls_upd_queue;
	195
52dc7ee6	196	struct list ls_ack; / Link State Acknowledgment list. */
718e3744	197
	198	struct
	199	{
52dc7ee6	200	struct list *ls_ack;
718e3744	201	struct in_addr dst;
	202	} ls_ack_direct;
	203
	204	/* Timer values. */
	205	u_int32_t v_ls_ack; /* Delayed Link State Acknowledgment */
	206
	207	/* Threads. */
	208	struct thread t_hello; / timer */
	209	struct thread t_wait; / timer */
	210	struct thread t_ls_ack; / timer */
	211	struct thread t_ls_ack_direct; / event */
	212	struct thread t_ls_upd_event; / event */
718e3744	213	struct thread t_opaque_lsa_self; / Type-9 Opaque-LSAs */
718e3744	214
	215	int on_write_q;
	216
	217	/* Statistics fields. */
	218	u_int32_t hello_in; /* Hello message input count. */
	219	u_int32_t hello_out; /* Hello message output count. */
	220	u_int32_t db_desc_in; /* database desc. message input count. */
	221	u_int32_t db_desc_out; /* database desc. message output count. */
	222	u_int32_t ls_req_in; /* LS request message input count. */
	223	u_int32_t ls_req_out; /* LS request message output count. */
	224	u_int32_t ls_upd_in; /* LS update message input count. */
	225	u_int32_t ls_upd_out; /* LS update message output count. */
	226	u_int32_t ls_ack_in; /* LS Ack message input count. */
	227	u_int32_t ls_ack_out; /* LS Ack message output count. */
	228	u_int32_t discarded; /* discarded input count by error. */
	229	u_int32_t state_change; /* Number of status change. */
	230
2db3d05d	231	u_int32_t full_nbrs;
ae19c240 DL	232
ae19c240 DL	233	QOBJ_FIELDS
718e3744	234	};
ae19c240	235	DECLARE_QOBJ_TYPE(ospf_interface)
718e3744	236
718e3744	237	/* Prototypes. */
4dadc291	238	extern char ospf_if_name (struct ospf_interface );
	239	extern struct ospf_interface ospf_if_new (struct ospf , struct interface *,
	240	struct prefix *);
	241	extern void ospf_if_cleanup (struct ospf_interface *);
	242	extern void ospf_if_free (struct ospf_interface *);
	243	extern int ospf_if_up (struct ospf_interface *);
	244	extern int ospf_if_down (struct ospf_interface *);
	245
	246	extern int ospf_if_is_up (struct ospf_interface *);
	247	extern struct ospf_interface ospf_if_exists (struct ospf_interface );
c81ee5c9 JT	248	extern struct ospf_interface ospf_if_lookup_by_lsa_pos (struct ospf_area ,
c81ee5c9 JT	249	int);
4dadc291	250	extern struct ospf_interface ospf_if_lookup_by_local_addr (struct ospf ,
	251	struct interface
	252	*,
	253	struct in_addr);
	254	extern struct ospf_interface ospf_if_lookup_by_prefix (struct ospf ,
	255	struct prefix_ipv4 *);
f0f63841 JT	256	extern struct ospf_interface ospf_if_table_lookup (struct interface ,
f0f63841 JT	257	struct prefix *);
4dadc291	258	extern struct ospf_interface *ospf_if_addr_local (struct in_addr);
4dadc291	259	extern struct ospf_interface ospf_if_lookup_recv_if (struct ospf ,
05cf46ba JT	260	struct in_addr,
05cf46ba JT	261	struct interface *);
4dadc291	262	extern struct ospf_interface ospf_if_is_configured (struct ospf ,
	263	struct in_addr *);
	264
	265	extern struct ospf_if_params ospf_lookup_if_params (struct interface ,
2db3d05d	266	struct in_addr);
4dadc291	267	extern struct ospf_if_params ospf_get_if_params (struct interface ,
	268	struct in_addr);
	269	extern void ospf_del_if_params (struct ospf_if_params *);
	270	extern void ospf_free_if_params (struct interface *, struct in_addr);
	271	extern void ospf_if_update_params (struct interface *, struct in_addr);
	272
	273	extern int ospf_if_new_hook (struct interface *);
	274	extern void ospf_if_init (void);
	275	extern void ospf_if_stream_set (struct ospf_interface *);
	276	extern void ospf_if_stream_unset (struct ospf_interface *);
	277	extern void ospf_if_reset_variables (struct ospf_interface *);
	278	extern int ospf_if_is_enable (struct ospf_interface *);
	279	extern int ospf_if_get_output_cost (struct ospf_interface *);
	280	extern void ospf_if_recalculate_output_cost (struct interface *);
718e3744	281
a608bbf2	282	/* Simulate down/up on the interface. */
	283	extern void ospf_if_reset (struct interface *);
	284
4dadc291	285	extern struct ospf_interface ospf_vl_new (struct ospf ,
	286	struct ospf_vl_data *);
	287	extern struct ospf_vl_data ospf_vl_data_new (struct ospf_area ,
	288	struct in_addr);
9c27ef9b	289	extern struct ospf_vl_data ospf_vl_lookup (struct ospf , struct ospf_area *,
4dadc291	290	struct in_addr);
	291	extern void ospf_vl_data_free (struct ospf_vl_data *);
	292	extern void ospf_vl_add (struct ospf , struct ospf_vl_data );
	293	extern void ospf_vl_delete (struct ospf , struct ospf_vl_data );
	294	extern void ospf_vl_up_check (struct ospf_area *, struct in_addr,
	295	struct vertex *);
	296	extern void ospf_vl_unapprove (struct ospf *);
	297	extern void ospf_vl_shut_unapproved (struct ospf *);
	298	extern int ospf_full_virtual_nbrs (struct ospf_area *);
	299	extern int ospf_vls_in_area (struct ospf_area *);
	300
	301	extern struct crypt_key ospf_crypt_key_lookup (struct list , u_char);
	302	extern struct crypt_key *ospf_crypt_key_new (void);
	303	extern void ospf_crypt_key_add (struct list , struct crypt_key );
	304	extern int ospf_crypt_key_delete (struct list *, u_char);
	305
	306	extern u_char ospf_default_iftype (struct interface *ifp);
bc18d616	307
ba6454ec	308	/* Set all multicast memberships appropriately based on the type and
ba6454ec	309	state of the interface. */
4dadc291	310	extern void ospf_if_set_multicast (struct ospf_interface *);
ba6454ec	311
718e3744	312	#endif /* _ZEBRA_OSPF_INTERFACE_H */