[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 {
	uint16_t age;	/* LS age */
	uint16_t type;       /* LS type */
	uint32_t id;	 /* Link State ID */
	uint32_t adv_router; /* Advertising Router */
	uint32_t seqnum;     /* LS sequence number */
	uint16_t checksum;   /* LS checksum */
	uint16_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 {
	uint16_t lh_type; /* host byte order */
	const char *lh_name;
	const char *lh_short_name;
	int (*lh_show)(struct vty *, struct ospf6_lsa *);
	char *(*lh_get_prefix_str)(struct ospf6_lsa *, char *buf,
				   int buflen, int pos);

	uint8_t lh_debug;
};

#define OSPF6_LSA_IS_KNOWN(t)                                                  \
	(ospf6_get_lsa_handler(t)->lh_type != OSPF6_LSTYPE_UNKNOWN ? 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(uint16_t type);
extern const char *ospf6_lstype_short_name(uint16_t type);
extern uint8_t ospf6_lstype_debug(uint16_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 uint16_t ospf6_lsa_age_current(struct ospf6_lsa *);
extern void ospf6_lsa_age_update_to_send(struct ospf6_lsa *, uint32_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(uint16_t type, uint32_t id,
					 uint32_t adv_router, void *scope);

extern void ospf6_install_lsa_handler(const struct ospf6_lsa_handler *handler);
extern const struct ospf6_lsa_handler *ospf6_get_lsa_handler(uint16_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);
extern void ospf6_lsa_age_set(struct ospf6_lsa *lsa);
extern void ospf6_flush_self_originated_lsas_now(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
d62a17ae	30	#define IS_OSPF6_DEBUG_LSA(name) \
	31	(ospf6_lstype_debug(htons(OSPF6_LSTYPE_##name)) & OSPF6_LSA_DEBUG)
	32	#define IS_OSPF6_DEBUG_ORIGINATE(name) \
	33	(ospf6_lstype_debug(htons(OSPF6_LSTYPE_##name)) \
	34	& OSPF6_LSA_DEBUG_ORIGINATE)
	35	#define IS_OSPF6_DEBUG_EXAMIN(name) \
	36	(ospf6_lstype_debug(htons(OSPF6_LSTYPE_##name)) \
	37	& OSPF6_LSA_DEBUG_EXAMIN)
	38	#define IS_OSPF6_DEBUG_LSA_TYPE(type) \
	39	(ospf6_lstype_debug(type) & OSPF6_LSA_DEBUG)
	40	#define IS_OSPF6_DEBUG_ORIGINATE_TYPE(type) \
	41	(ospf6_lstype_debug(type) & OSPF6_LSA_DEBUG_ORIGINATE)
	42	#define IS_OSPF6_DEBUG_EXAMIN_TYPE(type) \
	43	(ospf6_lstype_debug(type) & OSPF6_LSA_DEBUG_EXAMIN)
	44	#define IS_OSPF6_DEBUG_FLOOD_TYPE(type) \
	45	(ospf6_lstype_debug(type) & OSPF6_LSA_DEBUG_FLOOD)
718e3744	46
	47	/* LSA definition */
	48
508e53e2	49	#define OSPF6_MAX_LSASIZE 4096
718e3744	50
718e3744	51	/* Type */
508e53e2	52	#define OSPF6_LSTYPE_UNKNOWN 0x0000
	53	#define OSPF6_LSTYPE_ROUTER 0x2001
	54	#define OSPF6_LSTYPE_NETWORK 0x2002
	55	#define OSPF6_LSTYPE_INTER_PREFIX 0x2003
	56	#define OSPF6_LSTYPE_INTER_ROUTER 0x2004
	57	#define OSPF6_LSTYPE_AS_EXTERNAL 0x4005
	58	#define OSPF6_LSTYPE_GROUP_MEMBERSHIP 0x2006
	59	#define OSPF6_LSTYPE_TYPE_7 0x2007
	60	#define OSPF6_LSTYPE_LINK 0x0008
	61	#define OSPF6_LSTYPE_INTRA_PREFIX 0x2009
	62	#define OSPF6_LSTYPE_SIZE 0x000a
718e3744	63
	64	/* Masks for LS Type : RFC 2740 A.4.2.1 "LS type" */
	65	#define OSPF6_LSTYPE_UBIT_MASK 0x8000
	66	#define OSPF6_LSTYPE_SCOPE_MASK 0x6000
508e53e2	67	#define OSPF6_LSTYPE_FCODE_MASK 0x1fff
718e3744	68
508e53e2	69	/* LSA scope */
6452df09	70	#define OSPF6_SCOPE_LINKLOCAL 0x0000
	71	#define OSPF6_SCOPE_AREA 0x2000
	72	#define OSPF6_SCOPE_AS 0x4000
	73	#define OSPF6_SCOPE_RESERVED 0x6000
718e3744	74
6452df09	75	/* XXX U-bit handling should be treated here */
d62a17ae	76	#define OSPF6_LSA_SCOPE(type) (ntohs(type) & OSPF6_LSTYPE_SCOPE_MASK)
718e3744	77
718e3744	78	/* LSA Header */
abc7ef44	79	#define OSPF6_LSA_HEADER_SIZE 20U
d62a17ae	80	struct ospf6_lsa_header {
d7c0a89a QY	81	uint16_t age; /* LS age */
	82	uint16_t type; /* LS type */
	83	uint32_t id; /* Link State ID */
	84	uint32_t adv_router; /* Advertising Router */
	85	uint32_t seqnum; /* LS sequence number */
	86	uint16_t checksum; /* LS checksum */
	87	uint16_t length; /* LSA length */
718e3744	88	};
718e3744	89
d62a17ae	90	#define OSPF6_LSA_HEADER_END(h) ((caddr_t)(h) + sizeof(struct ospf6_lsa_header))
	91	#define OSPF6_LSA_SIZE(h) (ntohs(((struct ospf6_lsa_header *)(h))->length))
	92	#define OSPF6_LSA_END(h) \
	93	((caddr_t)(h) + ntohs(((struct ospf6_lsa_header *)(h))->length))
	94	#define OSPF6_LSA_IS_TYPE(t, L) \
	95	((L)->header->type == htons(OSPF6_LSTYPE_##t) ? 1 : 0)
	96	#define OSPF6_LSA_IS_SAME(L1, L2) \
	97	((L1)->header->adv_router == (L2)->header->adv_router \
	98	&& (L1)->header->id == (L2)->header->id \
	99	&& (L1)->header->type == (L2)->header->type)
	100	#define OSPF6_LSA_IS_MATCH(t, i, a, L) \
	101	((L)->header->adv_router == (a) && (L)->header->id == (i) \
	102	&& (L)->header->type == (t))
508e53e2	103	#define OSPF6_LSA_IS_DIFFER(L1, L2) ospf6_lsa_is_differ (L1, L2)
8551e6da	104	#define OSPF6_LSA_IS_MAXAGE(L) (ospf6_lsa_age_current (L) == OSPF_LSA_MAXAGE)
508e53e2	105	#define OSPF6_LSA_IS_CHANGED(L1, L2) ospf6_lsa_is_changed (L1, L2)
3b220289 DD	106	#define OSPF6_LSA_IS_SEQWRAP(L) ((L)->header->seqnum == htonl(OSPF_MAX_SEQUENCE_NUMBER + 1))
3b220289 DD	107
d62a17ae	108	struct ospf6_lsa {
d62a17ae	109	char name[64]; /* dump string */
718e3744	110
d62a17ae	111	struct route_node *rn;
718e3744	112
d62a17ae	113	unsigned char lock; /* reference counter */
d62a17ae	114	unsigned char flag; /* special meaning (e.g. floodback) */
718e3744	115
d62a17ae	116	struct timeval birth; /* tv_sec when LS age 0 */
	117	struct timeval originated; /* used by MinLSInterval check */
	118	struct timeval received; /* used by MinLSArrival check */
	119	struct timeval installed;
718e3744	120
d62a17ae	121	struct thread *expire;
d62a17ae	122	struct thread refresh; / For self-originated LSA */
718e3744	123
d62a17ae	124	int retrans_count;
718e3744	125
d62a17ae	126	struct ospf6_lsdb *lsdb;
6452df09	127
d62a17ae	128	/* lsa instance */
d62a17ae	129	struct ospf6_lsa_header *header;
718e3744	130	};
718e3744	131
6452df09	132	#define OSPF6_LSA_HEADERONLY 0x01
	133	#define OSPF6_LSA_FLOODBACK 0x02
	134	#define OSPF6_LSA_DUPLICATE 0x04
	135	#define OSPF6_LSA_IMPLIEDACK 0x08
ca1f4309	136	#define OSPF6_LSA_UNAPPROVED 0x10
3b220289	137	#define OSPF6_LSA_SEQWRAPPED 0x20
508e53e2	138
d62a17ae	139	struct ospf6_lsa_handler {
01db90cd DL	140	uint16_t lh_type; /* host byte order */
	141	const char *lh_name;
	142	const char *lh_short_name;
	143	int (lh_show)(struct vty , struct ospf6_lsa *);
	144	char (lh_get_prefix_str)(struct ospf6_lsa , char buf,
	145	int buflen, int pos);
	146
	147	uint8_t lh_debug;
508e53e2	148	};
508e53e2	149
3981b5c7	150	#define OSPF6_LSA_IS_KNOWN(t) \
0ab50080	151	(ospf6_get_lsa_handler(t)->lh_type != OSPF6_LSTYPE_UNKNOWN ? 1 : 0)
2680aa2b	152
4dfd8aff DW	153	extern vector ospf6_lsa_handler_vector;
4dfd8aff DW	154
508e53e2	155	/* Macro for LSA Origination */
1e05838a	156	/* addr is (struct prefix ) /
d62a17ae	157	#define CONTINUE_IF_ADDRESS_LINKLOCAL(debug, addr) \
	158	if (IN6_IS_ADDR_LINKLOCAL(&(addr)->u.prefix6)) { \
	159	char buf[PREFIX2STR_BUFFER]; \
	160	prefix2str(addr, buf, sizeof(buf)); \
	161	if (debug) \
	162	zlog_debug("Filter out Linklocal: %s", buf); \
	163	continue; \
	164	}
	165
	166	#define CONTINUE_IF_ADDRESS_UNSPECIFIED(debug, addr) \
	167	if (IN6_IS_ADDR_UNSPECIFIED(&(addr)->u.prefix6)) { \
	168	char buf[PREFIX2STR_BUFFER]; \
	169	prefix2str(addr, buf, sizeof(buf)); \
	170	if (debug) \
	171	zlog_debug("Filter out Unspecified: %s", buf); \
	172	continue; \
	173	}
	174
	175	#define CONTINUE_IF_ADDRESS_LOOPBACK(debug, addr) \
	176	if (IN6_IS_ADDR_LOOPBACK(&(addr)->u.prefix6)) { \
	177	char buf[PREFIX2STR_BUFFER]; \
	178	prefix2str(addr, buf, sizeof(buf)); \
	179	if (debug) \
	180	zlog_debug("Filter out Loopback: %s", buf); \
	181	continue; \
	182	}
	183
	184	#define CONTINUE_IF_ADDRESS_V4COMPAT(debug, addr) \
	185	if (IN6_IS_ADDR_V4COMPAT(&(addr)->u.prefix6)) { \
	186	char buf[PREFIX2STR_BUFFER]; \
	187	prefix2str(addr, buf, sizeof(buf)); \
	188	if (debug) \
	189	zlog_debug("Filter out V4Compat: %s", buf); \
	190	continue; \
	191	}
	192
	193	#define CONTINUE_IF_ADDRESS_V4MAPPED(debug, addr) \
	194	if (IN6_IS_ADDR_V4MAPPED(&(addr)->u.prefix6)) { \
	195	char buf[PREFIX2STR_BUFFER]; \
	196	prefix2str(addr, buf, sizeof(buf)); \
	197	if (debug) \
	198	zlog_debug("Filter out V4Mapped: %s", buf); \
	199	continue; \
	200	}
718e3744	201
6b0655a2	202
718e3744	203	/* Function Prototypes */
d7c0a89a QY	204	extern const char *ospf6_lstype_name(uint16_t type);
	205	extern const char *ospf6_lstype_short_name(uint16_t type);
	206	extern uint8_t ospf6_lstype_debug(uint16_t type);
d62a17ae	207	extern int ospf6_lsa_is_differ(struct ospf6_lsa lsa1, struct ospf6_lsa lsa2);
d62a17ae	208	extern int ospf6_lsa_is_changed(struct ospf6_lsa lsa1, struct ospf6_lsa lsa2);
d7c0a89a QY	209	extern uint16_t ospf6_lsa_age_current(struct ospf6_lsa *);
d7c0a89a QY	210	extern void ospf6_lsa_age_update_to_send(struct ospf6_lsa *, uint32_t);
d62a17ae	211	extern void ospf6_lsa_premature_aging(struct ospf6_lsa *);
	212	extern int ospf6_lsa_compare(struct ospf6_lsa , struct ospf6_lsa );
	213
	214	extern char ospf6_lsa_printbuf(struct ospf6_lsa lsa, char *buf, int size);
	215	extern void ospf6_lsa_header_print_raw(struct ospf6_lsa_header *header);
	216	extern void ospf6_lsa_header_print(struct ospf6_lsa *lsa);
	217	extern void ospf6_lsa_show_summary_header(struct vty *vty);
	218	extern void ospf6_lsa_show_summary(struct vty vty, struct ospf6_lsa lsa);
	219	extern void ospf6_lsa_show_dump(struct vty vty, struct ospf6_lsa lsa);
	220	extern void ospf6_lsa_show_internal(struct vty vty, struct ospf6_lsa lsa);
	221	extern void ospf6_lsa_show(struct vty vty, struct ospf6_lsa lsa);
	222
	223	extern struct ospf6_lsa ospf6_lsa_create(struct ospf6_lsa_header header);
	224	extern struct ospf6_lsa *
	225	ospf6_lsa_create_headeronly(struct ospf6_lsa_header *header);
	226	extern void ospf6_lsa_delete(struct ospf6_lsa *lsa);
	227	extern struct ospf6_lsa ospf6_lsa_copy(struct ospf6_lsa );
	228
	229	extern void ospf6_lsa_lock(struct ospf6_lsa *);
	230	extern void ospf6_lsa_unlock(struct ospf6_lsa *);
	231
	232	extern int ospf6_lsa_expire(struct thread *);
	233	extern int ospf6_lsa_refresh(struct thread *);
	234
	235	extern unsigned short ospf6_lsa_checksum(struct ospf6_lsa_header *);
	236	extern int ospf6_lsa_checksum_valid(struct ospf6_lsa_header *);
d7c0a89a QY	237	extern int ospf6_lsa_prohibited_duration(uint16_t type, uint32_t id,
d7c0a89a QY	238	uint32_t adv_router, void *scope);
d62a17ae	239
3981b5c7	240	extern void ospf6_install_lsa_handler(const struct ospf6_lsa_handler *handler);
d7c0a89a	241	extern const struct ospf6_lsa_handler *ospf6_get_lsa_handler(uint16_t type);
d62a17ae	242
	243	extern void ospf6_lsa_init(void);
	244	extern void ospf6_lsa_terminate(void);
	245
	246	extern int config_write_ospf6_debug_lsa(struct vty *vty);
	247	extern void install_element_ospf6_debug_lsa(void);
da086a3b	248	extern void ospf6_lsa_age_set(struct ospf6_lsa *lsa);
76249532	249	extern void ospf6_flush_self_originated_lsas_now(void);
718e3744	250
718e3744	251	#endif /* OSPF6_LSA_H */