[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 this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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)
#define OSPF6_LSA_IS_SEQWRAP(L) ((L)->header->seqnum == htonl(OSPF_MAX_SEQUENCE_NUMBER + 1))


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
#define OSPF6_LSA_UNAPPROVED 0x10
#define OSPF6_LSA_SEQWRAPPED 0x20

struct ospf6_lsa_handler
{
  u_int16_t type; /* host byte order */
  const char *name;
  const char *short_name;
  int (*show) (struct vty *, struct ospf6_lsa *);
  char *(*get_prefix_str) (struct ospf6_lsa *, char *buf, int buflen, int pos);
  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)

extern vector ospf6_lsa_handler_vector;

/* 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[PREFIX2STR_BUFFER];                     \
      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[PREFIX2STR_BUFFER];                     \
      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[PREFIX2STR_BUFFER];                     \
      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[PREFIX2STR_BUFFER];                     \
      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[PREFIX2STR_BUFFER];                     \
      prefix2str (addr, buf, sizeof (buf));            \
      if (debug)                                       \
        zlog_debug ("Filter out V4Mapped: %s", buf);   \
      continue;                                        \
    }


/* Function Prototypes */
extern const char *ospf6_lstype_name (u_int16_t type);
extern const char *ospf6_lstype_short_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	*
896014f4 DL	16	* You should have received a copy of the GNU General Public License along
	17	* with this program; see the file COPYING; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
718e3744	19	*/
	20
	21	#ifndef OSPF6_LSA_H
	22	#define OSPF6_LSA_H
	23
508e53e2	24	/* Debug option */
1e05838a	25	#define OSPF6_LSA_DEBUG 0x01
	26	#define OSPF6_LSA_DEBUG_ORIGINATE 0x02
	27	#define OSPF6_LSA_DEBUG_EXAMIN 0x04
	28	#define OSPF6_LSA_DEBUG_FLOOD 0x08
	29
	30	#define IS_OSPF6_DEBUG_LSA(name) \
	31	(ospf6_lstype_debug (htons (OSPF6_LSTYPE_ ## name)) & \
	32	OSPF6_LSA_DEBUG)
	33	#define IS_OSPF6_DEBUG_ORIGINATE(name) \
	34	(ospf6_lstype_debug (htons (OSPF6_LSTYPE_ ## name)) & \
	35	OSPF6_LSA_DEBUG_ORIGINATE)
	36	#define IS_OSPF6_DEBUG_EXAMIN(name) \
	37	(ospf6_lstype_debug (htons (OSPF6_LSTYPE_ ## name)) & \
	38	OSPF6_LSA_DEBUG_EXAMIN)
	39	#define IS_OSPF6_DEBUG_LSA_TYPE(type) \
	40	(ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG)
	41	#define IS_OSPF6_DEBUG_ORIGINATE_TYPE(type) \
	42	(ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG_ORIGINATE)
	43	#define IS_OSPF6_DEBUG_EXAMIN_TYPE(type) \
	44	(ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG_EXAMIN)
	45	#define IS_OSPF6_DEBUG_FLOOD_TYPE(type) \
	46	(ospf6_lstype_debug (type) & OSPF6_LSA_DEBUG_FLOOD)
718e3744	47
	48	/* LSA definition */
	49
508e53e2	50	#define OSPF6_MAX_LSASIZE 4096
718e3744	51
718e3744	52	/* Type */
508e53e2	53	#define OSPF6_LSTYPE_UNKNOWN 0x0000
	54	#define OSPF6_LSTYPE_ROUTER 0x2001
	55	#define OSPF6_LSTYPE_NETWORK 0x2002
	56	#define OSPF6_LSTYPE_INTER_PREFIX 0x2003
	57	#define OSPF6_LSTYPE_INTER_ROUTER 0x2004
	58	#define OSPF6_LSTYPE_AS_EXTERNAL 0x4005
	59	#define OSPF6_LSTYPE_GROUP_MEMBERSHIP 0x2006
	60	#define OSPF6_LSTYPE_TYPE_7 0x2007
	61	#define OSPF6_LSTYPE_LINK 0x0008
	62	#define OSPF6_LSTYPE_INTRA_PREFIX 0x2009
	63	#define OSPF6_LSTYPE_SIZE 0x000a
718e3744	64
	65	/* Masks for LS Type : RFC 2740 A.4.2.1 "LS type" */
	66	#define OSPF6_LSTYPE_UBIT_MASK 0x8000
	67	#define OSPF6_LSTYPE_SCOPE_MASK 0x6000
508e53e2	68	#define OSPF6_LSTYPE_FCODE_MASK 0x1fff
718e3744	69
508e53e2	70	/* LSA scope */
6452df09	71	#define OSPF6_SCOPE_LINKLOCAL 0x0000
	72	#define OSPF6_SCOPE_AREA 0x2000
	73	#define OSPF6_SCOPE_AS 0x4000
	74	#define OSPF6_SCOPE_RESERVED 0x6000
718e3744	75
6452df09	76	/* XXX U-bit handling should be treated here */
508e53e2	77	#define OSPF6_LSA_SCOPE(type) \
508e53e2	78	(ntohs (type) & OSPF6_LSTYPE_SCOPE_MASK)
718e3744	79
718e3744	80	/* LSA Header */
abc7ef44	81	#define OSPF6_LSA_HEADER_SIZE 20U
718e3744	82	struct ospf6_lsa_header
718e3744	83	{
	84	u_int16_t age; /* LS age */
	85	u_int16_t type; /* LS type */
	86	u_int32_t id; /* Link State ID */
	87	u_int32_t adv_router; /* Advertising Router */
	88	u_int32_t seqnum; /* LS sequence number */
	89	u_int16_t checksum; /* LS checksum */
	90	u_int16_t length; /* LSA length */
	91	};
	92
508e53e2	93	#define OSPF6_LSA_HEADER_END(h) \
	94	((caddr_t)(h) + sizeof (struct ospf6_lsa_header))
	95	#define OSPF6_LSA_SIZE(h) \
	96	(ntohs (((struct ospf6_lsa_header *) (h))->length))
	97	#define OSPF6_LSA_END(h) \
	98	((caddr_t)(h) + ntohs (((struct ospf6_lsa_header *) (h))->length))
	99	#define OSPF6_LSA_IS_TYPE(t, L) \
	100	((L)->header->type == htons (OSPF6_LSTYPE_ ## t) ? 1 : 0)
	101	#define OSPF6_LSA_IS_SAME(L1, L2) \
	102	((L1)->header->adv_router == (L2)->header->adv_router && \
	103	(L1)->header->id == (L2)->header->id && \
	104	(L1)->header->type == (L2)->header->type)
	105	#define OSPF6_LSA_IS_MATCH(t, i, a, L) \
	106	((L)->header->adv_router == (a) && (L)->header->id == (i) && \
	107	(L)->header->type == (t))
	108	#define OSPF6_LSA_IS_DIFFER(L1, L2) ospf6_lsa_is_differ (L1, L2)
8551e6da	109	#define OSPF6_LSA_IS_MAXAGE(L) (ospf6_lsa_age_current (L) == OSPF_LSA_MAXAGE)
508e53e2	110	#define OSPF6_LSA_IS_CHANGED(L1, L2) ospf6_lsa_is_changed (L1, L2)
3b220289 DD	111	#define OSPF6_LSA_IS_SEQWRAP(L) ((L)->header->seqnum == htonl(OSPF_MAX_SEQUENCE_NUMBER + 1))
3b220289 DD	112
718e3744	113
	114	struct ospf6_lsa
	115	{
6452df09	116	char name[64]; /* dump string */
718e3744	117
a765eb93	118	struct route_node *rn;
718e3744	119
6452df09	120	unsigned char lock; /* reference counter */
6452df09	121	unsigned char flag; /* special meaning (e.g. floodback) */
718e3744	122
6452df09	123	struct timeval birth; /* tv_sec when LS age 0 */
6452df09	124	struct timeval originated; /* used by MinLSInterval check */
ccb59b11	125	struct timeval received; /* used by MinLSArrival check */
ccb59b11	126	struct timeval installed;
718e3744	127
6452df09	128	struct thread *expire;
6452df09	129	struct thread refresh; / For self-originated LSA */
718e3744	130
6452df09	131	int retrans_count;
6452df09	132
6452df09	133	struct ospf6_lsdb *lsdb;
718e3744	134
508e53e2	135	/* lsa instance */
508e53e2	136	struct ospf6_lsa_header *header;
718e3744	137	};
718e3744	138
6452df09	139	#define OSPF6_LSA_HEADERONLY 0x01
	140	#define OSPF6_LSA_FLOODBACK 0x02
	141	#define OSPF6_LSA_DUPLICATE 0x04
	142	#define OSPF6_LSA_IMPLIEDACK 0x08
ca1f4309	143	#define OSPF6_LSA_UNAPPROVED 0x10
3b220289	144	#define OSPF6_LSA_SEQWRAPPED 0x20
508e53e2	145
6452df09	146	struct ospf6_lsa_handler
508e53e2	147	{
1e05838a	148	u_int16_t type; /* host byte order */
0c083ee9	149	const char *name;
e68a6767	150	const char *short_name;
508e53e2	151	int (show) (struct vty , struct ospf6_lsa *);
e68a6767	152	char (get_prefix_str) (struct ospf6_lsa , char buf, int buflen, int pos);
1e05838a	153	u_char debug;
508e53e2	154	};
508e53e2	155
2680aa2b	156	extern struct ospf6_lsa_handler unknown_handler;
	157	#define OSPF6_LSA_IS_KNOWN(type) \
	158	(ospf6_get_lsa_handler (type) != &unknown_handler ? 1 : 0)
	159
4dfd8aff DW	160	extern vector ospf6_lsa_handler_vector;
4dfd8aff DW	161
508e53e2	162	/* Macro for LSA Origination */
1e05838a	163	/* addr is (struct prefix ) /
1e05838a	164	#define CONTINUE_IF_ADDRESS_LINKLOCAL(debug,addr) \
508e53e2	165	if (IN6_IS_ADDR_LINKLOCAL (&(addr)->u.prefix6)) \
508e53e2	166	{ \
4690c7d7	167	char buf[PREFIX2STR_BUFFER]; \
508e53e2	168	prefix2str (addr, buf, sizeof (buf)); \
1e05838a	169	if (debug) \
d1db06fa	170	zlog_debug ("Filter out Linklocal: %s", buf); \
508e53e2	171	continue; \
718e3744	172	}
718e3744	173
1e05838a	174	#define CONTINUE_IF_ADDRESS_UNSPECIFIED(debug,addr) \
508e53e2	175	if (IN6_IS_ADDR_UNSPECIFIED (&(addr)->u.prefix6)) \
508e53e2	176	{ \
4690c7d7	177	char buf[PREFIX2STR_BUFFER]; \
508e53e2	178	prefix2str (addr, buf, sizeof (buf)); \
1e05838a	179	if (debug) \
d1db06fa	180	zlog_debug ("Filter out Unspecified: %s", buf);\
508e53e2	181	continue; \
718e3744	182	}
508e53e2	183
1e05838a	184	#define CONTINUE_IF_ADDRESS_LOOPBACK(debug,addr) \
508e53e2	185	if (IN6_IS_ADDR_LOOPBACK (&(addr)->u.prefix6)) \
508e53e2	186	{ \
4690c7d7	187	char buf[PREFIX2STR_BUFFER]; \
508e53e2	188	prefix2str (addr, buf, sizeof (buf)); \
1e05838a	189	if (debug) \
d1db06fa	190	zlog_debug ("Filter out Loopback: %s", buf); \
508e53e2	191	continue; \
718e3744	192	}
508e53e2	193
1e05838a	194	#define CONTINUE_IF_ADDRESS_V4COMPAT(debug,addr) \
508e53e2	195	if (IN6_IS_ADDR_V4COMPAT (&(addr)->u.prefix6)) \
508e53e2	196	{ \
4690c7d7	197	char buf[PREFIX2STR_BUFFER]; \
508e53e2	198	prefix2str (addr, buf, sizeof (buf)); \
1e05838a	199	if (debug) \
d1db06fa	200	zlog_debug ("Filter out V4Compat: %s", buf); \
508e53e2	201	continue; \
718e3744	202	}
718e3744	203
1e05838a	204	#define CONTINUE_IF_ADDRESS_V4MAPPED(debug,addr) \
508e53e2	205	if (IN6_IS_ADDR_V4MAPPED (&(addr)->u.prefix6)) \
508e53e2	206	{ \
4690c7d7	207	char buf[PREFIX2STR_BUFFER]; \
508e53e2	208	prefix2str (addr, buf, sizeof (buf)); \
1e05838a	209	if (debug) \
d1db06fa	210	zlog_debug ("Filter out V4Mapped: %s", buf); \
508e53e2	211	continue; \
508e53e2	212	}
718e3744	213
6b0655a2	214
718e3744	215	/* Function Prototypes */
6ac29a51	216	extern const char *ospf6_lstype_name (u_int16_t type);
e68a6767	217	extern const char *ospf6_lstype_short_name (u_int16_t type);
6ac29a51 PJ	218	extern u_char ospf6_lstype_debug (u_int16_t type);
	219	extern int ospf6_lsa_is_differ (struct ospf6_lsa lsa1, struct ospf6_lsa lsa2);
	220	extern int ospf6_lsa_is_changed (struct ospf6_lsa lsa1, struct ospf6_lsa lsa2);
	221	extern u_int16_t ospf6_lsa_age_current (struct ospf6_lsa *);
	222	extern void ospf6_lsa_age_update_to_send (struct ospf6_lsa *, u_int32_t);
	223	extern void ospf6_lsa_premature_aging (struct ospf6_lsa *);
	224	extern int ospf6_lsa_compare (struct ospf6_lsa , struct ospf6_lsa );
	225
	226	extern char ospf6_lsa_printbuf (struct ospf6_lsa lsa, char *buf, int size);
	227	extern void ospf6_lsa_header_print_raw (struct ospf6_lsa_header *header);
	228	extern void ospf6_lsa_header_print (struct ospf6_lsa *lsa);
	229	extern void ospf6_lsa_show_summary_header (struct vty *vty);
	230	extern void ospf6_lsa_show_summary (struct vty vty, struct ospf6_lsa lsa);
	231	extern void ospf6_lsa_show_dump (struct vty vty, struct ospf6_lsa lsa);
	232	extern void ospf6_lsa_show_internal (struct vty vty, struct ospf6_lsa lsa);
	233	extern void ospf6_lsa_show (struct vty vty, struct ospf6_lsa lsa);
	234
	235	extern struct ospf6_lsa ospf6_lsa_create (struct ospf6_lsa_header header);
	236	extern struct ospf6_lsa ospf6_lsa_create_headeronly (struct ospf6_lsa_header header);
	237	extern void ospf6_lsa_delete (struct ospf6_lsa *lsa);
	238	extern struct ospf6_lsa ospf6_lsa_copy (struct ospf6_lsa );
	239
	240	extern void ospf6_lsa_lock (struct ospf6_lsa *);
	241	extern void ospf6_lsa_unlock (struct ospf6_lsa *);
	242
	243	extern int ospf6_lsa_expire (struct thread *);
	244	extern int ospf6_lsa_refresh (struct thread *);
	245
	246	extern unsigned short ospf6_lsa_checksum (struct ospf6_lsa_header *);
d8a4e42b	247	extern int ospf6_lsa_checksum_valid (struct ospf6_lsa_header *);
6ac29a51 PJ	248	extern int ospf6_lsa_prohibited_duration (u_int16_t type, u_int32_t id,
	249	u_int32_t adv_router, void *scope);
	250
	251	extern void ospf6_install_lsa_handler (struct ospf6_lsa_handler *handler);
	252	extern struct ospf6_lsa_handler *ospf6_get_lsa_handler (u_int16_t type);
	253
	254	extern void ospf6_lsa_init (void);
ae2254aa	255	extern void ospf6_lsa_terminate (void);
6ac29a51 PJ	256
	257	extern int config_write_ospf6_debug_lsa (struct vty *vty);
	258	extern void install_element_ospf6_debug_lsa (void);
718e3744	259
	260	#endif /* OSPF6_LSA_H */
	261