[mirror_frr.git] / ospf6d / ospf6_lsa.h

/*
 * 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_LSA_H
#define OSPF6_LSA_H

/* Debug option */
#define OSPF6_LSA_DEBUG           0x01
#define OSPF6_LSA_DEBUG_ORIGINATE 0x02
#define OSPF6_LSA_DEBUG_EXAMIN    0x04
#define OSPF6_LSA_DEBUG_FLOOD     0x08

#define IS_OSPF6_DEBUG_LSA(name)                        \
  (ospf6_lstype_debug (htons (OSPF6_LSTYPE_ ## name)) & \
   OSPF6_LSA_DEBUG)
#define IS_OSPF6_DEBUG_ORIGINATE(name)                  \
  (ospf6_lstype_debug (htons (OSPF6_LSTYPE_ ## name)) & \
   OSPF6_LSA_DEBUG_ORIGINATE)
#define IS_OSPF6_DEBUG_EXAMIN(name)                     \
  (ospf6_lstype_debug (htons (OSPF6_LSTYPE_ ## name)) & \
   OSPF6_LSA_DEBUG_EXAMIN)
#define IS_OSPF6_DEBUG_LSA_TYPE(type) \
  (ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG)
#define IS_OSPF6_DEBUG_ORIGINATE_TYPE(type) \
  (ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG_ORIGINATE)
#define IS_OSPF6_DEBUG_EXAMIN_TYPE(type) \
  (ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG_EXAMIN)
#define IS_OSPF6_DEBUG_FLOOD_TYPE(type) \
  (ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG_FLOOD)

/* LSA definition */

#define OSPF6_MAX_LSASIZE      4096

/* Type */
#define OSPF6_LSTYPE_UNKNOWN          0x0000
#define OSPF6_LSTYPE_ROUTER           0x2001
#define OSPF6_LSTYPE_NETWORK          0x2002
#define OSPF6_LSTYPE_INTER_PREFIX     0x2003
#define OSPF6_LSTYPE_INTER_ROUTER     0x2004
#define OSPF6_LSTYPE_AS_EXTERNAL      0x4005
#define OSPF6_LSTYPE_GROUP_MEMBERSHIP 0x2006
#define OSPF6_LSTYPE_TYPE_7           0x2007
#define OSPF6_LSTYPE_LINK             0x0008
#define OSPF6_LSTYPE_INTRA_PREFIX     0x2009
#define OSPF6_LSTYPE_SIZE             0x000a

/* Masks for LS Type : RFC 2740 A.4.2.1 "LS type" */
#define OSPF6_LSTYPE_UBIT_MASK        0x8000
#define OSPF6_LSTYPE_SCOPE_MASK       0x6000
#define OSPF6_LSTYPE_FCODE_MASK       0x1fff

/* LSA scope */
#define OSPF6_SCOPE_LINKLOCAL  0x0000
#define OSPF6_SCOPE_AREA       0x2000
#define OSPF6_SCOPE_AS         0x4000
#define OSPF6_SCOPE_RESERVED   0x6000

/* XXX U-bit handling should be treated here */
#define OSPF6_LSA_SCOPE(type) \
  (ntohs (type) & OSPF6_LSTYPE_SCOPE_MASK)

/* LSA Header */
#define OSPF6_LSA_HEADER_SIZE                 20U
struct ospf6_lsa_header
{
  u_int16_t age;        /* LS age */
  u_int16_t type;       /* LS type */
  u_int32_t id;         /* Link State ID */
  u_int32_t adv_router; /* Advertising Router */
  u_int32_t seqnum;     /* LS sequence number */
  u_int16_t checksum;   /* LS checksum */
  u_int16_t length;     /* LSA length */
};

#define OSPF6_LSA_HEADER_END(h) \
  ((caddr_t)(h) + sizeof (struct ospf6_lsa_header))
#define OSPF6_LSA_SIZE(h) \
  (ntohs (((struct ospf6_lsa_header *) (h))->length))
#define OSPF6_LSA_END(h) \
  ((caddr_t)(h) + ntohs (((struct ospf6_lsa_header *) (h))->length))
#define OSPF6_LSA_IS_TYPE(t, L) \
  ((L)->header->type == htons (OSPF6_LSTYPE_ ## t) ? 1 : 0)
#define OSPF6_LSA_IS_SAME(L1, L2) \
  ((L1)->header->adv_router == (L2)->header->adv_router && \
   (L1)->header->id == (L2)->header->id && \
   (L1)->header->type == (L2)->header->type)
#define OSPF6_LSA_IS_MATCH(t, i, a, L) \
  ((L)->header->adv_router == (a) && (L)->header->id == (i) && \
   (L)->header->type == (t))
#define OSPF6_LSA_IS_DIFFER(L1, L2)  ospf6_lsa_is_differ (L1, L2)
#define OSPF6_LSA_IS_MAXAGE(L) (ospf6_lsa_age_current (L) == OSPF_LSA_MAXAGE)
#define OSPF6_LSA_IS_CHANGED(L1, L2) ospf6_lsa_is_changed (L1, L2)

struct ospf6_lsa
{
  char              name[64];   /* dump string */

  struct route_node *rn;

  unsigned char     lock;           /* reference counter */
  unsigned char     flag;           /* special meaning (e.g. floodback) */

  struct timeval    birth;          /* tv_sec when LS age 0 */
  struct timeval    originated;     /* used by MinLSInterval check */
  struct timeval    received;       /* used by MinLSArrival check */
  struct timeval    installed;

  struct thread    *expire;
  struct thread    *refresh;        /* For self-originated LSA */

  int               retrans_count;

  struct ospf6_lsdb *lsdb;

  /* lsa instance */
  struct ospf6_lsa_header *header;
};

#define OSPF6_LSA_HEADERONLY 0x01
#define OSPF6_LSA_FLOODBACK  0x02
#define OSPF6_LSA_DUPLICATE  0x04
#define OSPF6_LSA_IMPLIEDACK 0x08

struct ospf6_lsa_handler
{
  u_int16_t type; /* host byte order */
  const char *name;
  int (*show) (struct vty *, struct ospf6_lsa *);
  u_char debug;
};

extern struct ospf6_lsa_handler unknown_handler;
#define OSPF6_LSA_IS_KNOWN(type) \
  (ospf6_get_lsa_handler (type) != &unknown_handler ? 1 : 0)

/* Macro for LSA Origination */
/* addr is (struct prefix *) */
#define CONTINUE_IF_ADDRESS_LINKLOCAL(debug,addr)      \
  if (IN6_IS_ADDR_LINKLOCAL (&(addr)->u.prefix6))      \
    {                                                  \
      char buf[64];                                    \
      prefix2str (addr, buf, sizeof (buf));            \
      if (debug)                                       \
        zlog_debug ("Filter out Linklocal: %s", buf);  \
      continue;                                        \
    }

#define CONTINUE_IF_ADDRESS_UNSPECIFIED(debug,addr)    \
  if (IN6_IS_ADDR_UNSPECIFIED (&(addr)->u.prefix6))    \
    {                                                  \
      char buf[64];                                    \
      prefix2str (addr, buf, sizeof (buf));            \
      if (debug)                                       \
        zlog_debug ("Filter out Unspecified: %s", buf);\
      continue;                                        \
    }

#define CONTINUE_IF_ADDRESS_LOOPBACK(debug,addr)       \
  if (IN6_IS_ADDR_LOOPBACK (&(addr)->u.prefix6))       \
    {                                                  \
      char buf[64];                                    \
      prefix2str (addr, buf, sizeof (buf));            \
      if (debug)                                       \
        zlog_debug ("Filter out Loopback: %s", buf);   \
      continue;                                        \
    }

#define CONTINUE_IF_ADDRESS_V4COMPAT(debug,addr)       \
  if (IN6_IS_ADDR_V4COMPAT (&(addr)->u.prefix6))       \
    {                                                  \
      char buf[64];                                    \
      prefix2str (addr, buf, sizeof (buf));            \
      if (debug)                                       \
        zlog_debug ("Filter out V4Compat: %s", buf);   \
      continue;                                        \
    }

#define CONTINUE_IF_ADDRESS_V4MAPPED(debug,addr)       \
  if (IN6_IS_ADDR_V4MAPPED (&(addr)->u.prefix6))       \
    {                                                  \
      char buf[64];                                    \
      prefix2str (addr, buf, sizeof (buf));            \
      if (debug)                                       \
        zlog_debug ("Filter out V4Mapped: %s", buf);   \
      continue;                                        \
    }

\f
/* Function Prototypes */
extern const char *ospf6_lstype_name (u_int16_t type);
extern u_char ospf6_lstype_debug (u_int16_t type);
extern int ospf6_lsa_is_differ (struct ospf6_lsa *lsa1, struct ospf6_lsa *lsa2);
extern int ospf6_lsa_is_changed (struct ospf6_lsa *lsa1, struct ospf6_lsa *lsa2);
extern u_int16_t ospf6_lsa_age_current (struct ospf6_lsa *);
extern void ospf6_lsa_age_update_to_send (struct ospf6_lsa *, u_int32_t);
extern void ospf6_lsa_premature_aging (struct ospf6_lsa *);
extern int ospf6_lsa_compare (struct ospf6_lsa *, struct ospf6_lsa *);

extern char *ospf6_lsa_printbuf (struct ospf6_lsa *lsa, char *buf, int size);
extern void ospf6_lsa_header_print_raw (struct ospf6_lsa_header *header);
extern void ospf6_lsa_header_print (struct ospf6_lsa *lsa);
extern void ospf6_lsa_show_summary_header (struct vty *vty);
extern void ospf6_lsa_show_summary (struct vty *vty, struct ospf6_lsa *lsa);
extern void ospf6_lsa_show_dump (struct vty *vty, struct ospf6_lsa *lsa);
extern void ospf6_lsa_show_internal (struct vty *vty, struct ospf6_lsa *lsa);
extern void ospf6_lsa_show (struct vty *vty, struct ospf6_lsa *lsa);

extern struct ospf6_lsa *ospf6_lsa_create (struct ospf6_lsa_header *header);
extern struct ospf6_lsa *ospf6_lsa_create_headeronly (struct ospf6_lsa_header *header);
extern void ospf6_lsa_delete (struct ospf6_lsa *lsa);
extern struct ospf6_lsa *ospf6_lsa_copy (struct ospf6_lsa *);

extern void ospf6_lsa_lock (struct ospf6_lsa *);
extern void ospf6_lsa_unlock (struct ospf6_lsa *);

extern int ospf6_lsa_expire (struct thread *);
extern int ospf6_lsa_refresh (struct thread *);

extern unsigned short ospf6_lsa_checksum (struct ospf6_lsa_header *);
extern int ospf6_lsa_checksum_valid (struct ospf6_lsa_header *);
extern int ospf6_lsa_prohibited_duration (u_int16_t type, u_int32_t id,
                                          u_int32_t adv_router, void *scope);

extern void ospf6_install_lsa_handler (struct ospf6_lsa_handler *handler);
extern struct ospf6_lsa_handler *ospf6_get_lsa_handler (u_int16_t type);

extern void ospf6_lsa_init (void);
extern void ospf6_lsa_terminate (void);

extern int config_write_ospf6_debug_lsa (struct vty *vty);
extern void install_element_ospf6_debug_lsa (void);

#endif /* OSPF6_LSA_H */
Commit	Line	Data
718e3744	1	/*
508e53e2	2	* Copyright (C) 2003 Yasuhiro Ohara
718e3744	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_LSA_H
	23	#define OSPF6_LSA_H
	24
508e53e2	25	/* Debug option */
1e05838a	26	#define OSPF6_LSA_DEBUG 0x01
	27	#define OSPF6_LSA_DEBUG_ORIGINATE 0x02
	28	#define OSPF6_LSA_DEBUG_EXAMIN 0x04
	29	#define OSPF6_LSA_DEBUG_FLOOD 0x08
	30
	31	#define IS_OSPF6_DEBUG_LSA(name) \
	32	(ospf6_lstype_debug (htons (OSPF6_LSTYPE_ ## name)) & \
	33	OSPF6_LSA_DEBUG)
	34	#define IS_OSPF6_DEBUG_ORIGINATE(name) \
	35	(ospf6_lstype_debug (htons (OSPF6_LSTYPE_ ## name)) & \
	36	OSPF6_LSA_DEBUG_ORIGINATE)
	37	#define IS_OSPF6_DEBUG_EXAMIN(name) \
	38	(ospf6_lstype_debug (htons (OSPF6_LSTYPE_ ## name)) & \
	39	OSPF6_LSA_DEBUG_EXAMIN)
	40	#define IS_OSPF6_DEBUG_LSA_TYPE(type) \
	41	(ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG)
	42	#define IS_OSPF6_DEBUG_ORIGINATE_TYPE(type) \
	43	(ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG_ORIGINATE)
	44	#define IS_OSPF6_DEBUG_EXAMIN_TYPE(type) \
	45	(ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG_EXAMIN)
	46	#define IS_OSPF6_DEBUG_FLOOD_TYPE(type) \
	47	(ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG_FLOOD)
718e3744	48
	49	/* LSA definition */
	50
508e53e2	51	#define OSPF6_MAX_LSASIZE 4096
718e3744	52
718e3744	53	/* Type */
508e53e2	54	#define OSPF6_LSTYPE_UNKNOWN 0x0000
	55	#define OSPF6_LSTYPE_ROUTER 0x2001
	56	#define OSPF6_LSTYPE_NETWORK 0x2002
	57	#define OSPF6_LSTYPE_INTER_PREFIX 0x2003
	58	#define OSPF6_LSTYPE_INTER_ROUTER 0x2004
	59	#define OSPF6_LSTYPE_AS_EXTERNAL 0x4005
	60	#define OSPF6_LSTYPE_GROUP_MEMBERSHIP 0x2006
	61	#define OSPF6_LSTYPE_TYPE_7 0x2007
	62	#define OSPF6_LSTYPE_LINK 0x0008
	63	#define OSPF6_LSTYPE_INTRA_PREFIX 0x2009
	64	#define OSPF6_LSTYPE_SIZE 0x000a
718e3744	65
	66	/* Masks for LS Type : RFC 2740 A.4.2.1 "LS type" */
	67	#define OSPF6_LSTYPE_UBIT_MASK 0x8000
	68	#define OSPF6_LSTYPE_SCOPE_MASK 0x6000
508e53e2	69	#define OSPF6_LSTYPE_FCODE_MASK 0x1fff
718e3744	70
508e53e2	71	/* LSA scope */
6452df09	72	#define OSPF6_SCOPE_LINKLOCAL 0x0000
	73	#define OSPF6_SCOPE_AREA 0x2000
	74	#define OSPF6_SCOPE_AS 0x4000
	75	#define OSPF6_SCOPE_RESERVED 0x6000
718e3744	76
6452df09	77	/* XXX U-bit handling should be treated here */
508e53e2	78	#define OSPF6_LSA_SCOPE(type) \
508e53e2	79	(ntohs (type) & OSPF6_LSTYPE_SCOPE_MASK)
718e3744	80
718e3744	81	/* LSA Header */
abc7ef44	82	#define OSPF6_LSA_HEADER_SIZE 20U
718e3744	83	struct ospf6_lsa_header
718e3744	84	{
	85	u_int16_t age; /* LS age */
	86	u_int16_t type; /* LS type */
	87	u_int32_t id; /* Link State ID */
	88	u_int32_t adv_router; /* Advertising Router */
	89	u_int32_t seqnum; /* LS sequence number */
	90	u_int16_t checksum; /* LS checksum */
	91	u_int16_t length; /* LSA length */
	92	};
	93
508e53e2	94	#define OSPF6_LSA_HEADER_END(h) \
	95	((caddr_t)(h) + sizeof (struct ospf6_lsa_header))
	96	#define OSPF6_LSA_SIZE(h) \
	97	(ntohs (((struct ospf6_lsa_header *) (h))->length))
	98	#define OSPF6_LSA_END(h) \
	99	((caddr_t)(h) + ntohs (((struct ospf6_lsa_header *) (h))->length))
	100	#define OSPF6_LSA_IS_TYPE(t, L) \
	101	((L)->header->type == htons (OSPF6_LSTYPE_ ## t) ? 1 : 0)
	102	#define OSPF6_LSA_IS_SAME(L1, L2) \
	103	((L1)->header->adv_router == (L2)->header->adv_router && \
	104	(L1)->header->id == (L2)->header->id && \
	105	(L1)->header->type == (L2)->header->type)
	106	#define OSPF6_LSA_IS_MATCH(t, i, a, L) \
	107	((L)->header->adv_router == (a) && (L)->header->id == (i) && \
	108	(L)->header->type == (t))
	109	#define OSPF6_LSA_IS_DIFFER(L1, L2) ospf6_lsa_is_differ (L1, L2)
8551e6da	110	#define OSPF6_LSA_IS_MAXAGE(L) (ospf6_lsa_age_current (L) == OSPF_LSA_MAXAGE)
508e53e2	111	#define OSPF6_LSA_IS_CHANGED(L1, L2) ospf6_lsa_is_changed (L1, L2)
718e3744	112
	113	struct ospf6_lsa
	114	{
6452df09	115	char name[64]; /* dump string */
718e3744	116
a765eb93	117	struct route_node *rn;
718e3744	118
6452df09	119	unsigned char lock; /* reference counter */
6452df09	120	unsigned char flag; /* special meaning (e.g. floodback) */
718e3744	121
6452df09	122	struct timeval birth; /* tv_sec when LS age 0 */
6452df09	123	struct timeval originated; /* used by MinLSInterval check */
ccb59b11	124	struct timeval received; /* used by MinLSArrival check */
ccb59b11	125	struct timeval installed;
718e3744	126
6452df09	127	struct thread *expire;
6452df09	128	struct thread refresh; / For self-originated LSA */
718e3744	129
6452df09	130	int retrans_count;
6452df09	131
6452df09	132	struct ospf6_lsdb *lsdb;
718e3744	133
508e53e2	134	/* lsa instance */
508e53e2	135	struct ospf6_lsa_header *header;
718e3744	136	};
718e3744	137
6452df09	138	#define OSPF6_LSA_HEADERONLY 0x01
	139	#define OSPF6_LSA_FLOODBACK 0x02
	140	#define OSPF6_LSA_DUPLICATE 0x04
	141	#define OSPF6_LSA_IMPLIEDACK 0x08
508e53e2	142
6452df09	143	struct ospf6_lsa_handler
508e53e2	144	{
1e05838a	145	u_int16_t type; /* host byte order */
0c083ee9	146	const char *name;
508e53e2	147	int (show) (struct vty , struct ospf6_lsa *);
1e05838a	148	u_char debug;
508e53e2	149	};
508e53e2	150
2680aa2b	151	extern struct ospf6_lsa_handler unknown_handler;
	152	#define OSPF6_LSA_IS_KNOWN(type) \
	153	(ospf6_get_lsa_handler (type) != &unknown_handler ? 1 : 0)
	154
508e53e2	155	/* Macro for LSA Origination */
1e05838a	156	/* addr is (struct prefix ) /
1e05838a	157	#define CONTINUE_IF_ADDRESS_LINKLOCAL(debug,addr) \
508e53e2	158	if (IN6_IS_ADDR_LINKLOCAL (&(addr)->u.prefix6)) \
	159	{ \
	160	char buf[64]; \
	161	prefix2str (addr, buf, sizeof (buf)); \
1e05838a	162	if (debug) \
d1db06fa	163	zlog_debug ("Filter out Linklocal: %s", buf); \
508e53e2	164	continue; \
718e3744	165	}
718e3744	166
1e05838a	167	#define CONTINUE_IF_ADDRESS_UNSPECIFIED(debug,addr) \
508e53e2	168	if (IN6_IS_ADDR_UNSPECIFIED (&(addr)->u.prefix6)) \
	169	{ \
	170	char buf[64]; \
	171	prefix2str (addr, buf, sizeof (buf)); \
1e05838a	172	if (debug) \
d1db06fa	173	zlog_debug ("Filter out Unspecified: %s", buf);\
508e53e2	174	continue; \
718e3744	175	}
508e53e2	176
1e05838a	177	#define CONTINUE_IF_ADDRESS_LOOPBACK(debug,addr) \
508e53e2	178	if (IN6_IS_ADDR_LOOPBACK (&(addr)->u.prefix6)) \
	179	{ \
	180	char buf[64]; \
	181	prefix2str (addr, buf, sizeof (buf)); \
1e05838a	182	if (debug) \
d1db06fa	183	zlog_debug ("Filter out Loopback: %s", buf); \
508e53e2	184	continue; \
718e3744	185	}
508e53e2	186
1e05838a	187	#define CONTINUE_IF_ADDRESS_V4COMPAT(debug,addr) \
508e53e2	188	if (IN6_IS_ADDR_V4COMPAT (&(addr)->u.prefix6)) \
	189	{ \
	190	char buf[64]; \
	191	prefix2str (addr, buf, sizeof (buf)); \
1e05838a	192	if (debug) \
d1db06fa	193	zlog_debug ("Filter out V4Compat: %s", buf); \
508e53e2	194	continue; \
718e3744	195	}
718e3744	196
1e05838a	197	#define CONTINUE_IF_ADDRESS_V4MAPPED(debug,addr) \
508e53e2	198	if (IN6_IS_ADDR_V4MAPPED (&(addr)->u.prefix6)) \
	199	{ \
	200	char buf[64]; \
	201	prefix2str (addr, buf, sizeof (buf)); \
1e05838a	202	if (debug) \
d1db06fa	203	zlog_debug ("Filter out V4Mapped: %s", buf); \
508e53e2	204	continue; \
508e53e2	205	}
718e3744	206
508e53e2	207	\f
718e3744	208	/* Function Prototypes */
6ac29a51 PJ	209	extern const char *ospf6_lstype_name (u_int16_t type);
	210	extern u_char ospf6_lstype_debug (u_int16_t type);
	211	extern int ospf6_lsa_is_differ (struct ospf6_lsa lsa1, struct ospf6_lsa lsa2);
	212	extern int ospf6_lsa_is_changed (struct ospf6_lsa lsa1, struct ospf6_lsa lsa2);
	213	extern u_int16_t ospf6_lsa_age_current (struct ospf6_lsa *);
	214	extern void ospf6_lsa_age_update_to_send (struct ospf6_lsa *, u_int32_t);
	215	extern void ospf6_lsa_premature_aging (struct ospf6_lsa *);
	216	extern int ospf6_lsa_compare (struct ospf6_lsa , struct ospf6_lsa );
	217
	218	extern char ospf6_lsa_printbuf (struct ospf6_lsa lsa, char *buf, int size);
	219	extern void ospf6_lsa_header_print_raw (struct ospf6_lsa_header *header);
	220	extern void ospf6_lsa_header_print (struct ospf6_lsa *lsa);
	221	extern void ospf6_lsa_show_summary_header (struct vty *vty);
	222	extern void ospf6_lsa_show_summary (struct vty vty, struct ospf6_lsa lsa);
	223	extern void ospf6_lsa_show_dump (struct vty vty, struct ospf6_lsa lsa);
	224	extern void ospf6_lsa_show_internal (struct vty vty, struct ospf6_lsa lsa);
	225	extern void ospf6_lsa_show (struct vty vty, struct ospf6_lsa lsa);
	226
	227	extern struct ospf6_lsa ospf6_lsa_create (struct ospf6_lsa_header header);
	228	extern struct ospf6_lsa ospf6_lsa_create_headeronly (struct ospf6_lsa_header header);
	229	extern void ospf6_lsa_delete (struct ospf6_lsa *lsa);
	230	extern struct ospf6_lsa ospf6_lsa_copy (struct ospf6_lsa );
	231
	232	extern void ospf6_lsa_lock (struct ospf6_lsa *);
	233	extern void ospf6_lsa_unlock (struct ospf6_lsa *);
	234
	235	extern int ospf6_lsa_expire (struct thread *);
	236	extern int ospf6_lsa_refresh (struct thread *);
	237
	238	extern unsigned short ospf6_lsa_checksum (struct ospf6_lsa_header *);
d8a4e42b	239	extern int ospf6_lsa_checksum_valid (struct ospf6_lsa_header *);
6ac29a51 PJ	240	extern int ospf6_lsa_prohibited_duration (u_int16_t type, u_int32_t id,
	241	u_int32_t adv_router, void *scope);
	242
	243	extern void ospf6_install_lsa_handler (struct ospf6_lsa_handler *handler);
	244	extern struct ospf6_lsa_handler *ospf6_get_lsa_handler (u_int16_t type);
	245
	246	extern void ospf6_lsa_init (void);
ae2254aa	247	extern void ospf6_lsa_terminate (void);
6ac29a51 PJ	248
	249	extern int config_write_ospf6_debug_lsa (struct vty *vty);
	250	extern void install_element_ospf6_debug_lsa (void);
718e3744	251
	252	#endif /* OSPF6_LSA_H */
	253