[mirror_frr.git] / ospf6d / ospf6_lsa.h

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2003 Yasuhiro Ohara
 */

#ifndef OSPF6_LSA_H
#define OSPF6_LSA_H
#include "ospf6_top.h"
#include "lib/json.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 OSPF6_LSA_DEBUG_ALL                                                    \
	(OSPF6_LSA_DEBUG | OSPF6_LSA_DEBUG_ORIGINATE | OSPF6_LSA_DEBUG_EXAMIN  \
	 | OSPF6_LSA_DEBUG_FLOOD)
#define OSPF6_LSA_DEBUG_AGGR      0x10

/* OSPF LSA Default metric values */
#define DEFAULT_DEFAULT_METRIC 20
#define DEFAULT_DEFAULT_ORIGINATE_METRIC 10
#define DEFAULT_DEFAULT_ALWAYS_METRIC 1
#define DEFAULT_METRIC_TYPE 2

#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)
#define IS_OSPF6_DEBUG_AGGR						       \
	(ospf6_lstype_debug(OSPF6_LSTYPE_AS_EXTERNAL) & OSPF6_LSA_DEBUG_AGGR)  \

/* 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_GRACE_LSA	      0x000b
#define OSPF6_LSTYPE_SIZE             0x000c

/* 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 */
	in_addr_t id;	 /* Link State ID */
	in_addr_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;

	in_addr_t external_lsa_id;

	/* lsa instance */
	struct ospf6_lsa_header *header;

	/*For topo chg detection in HELPER role*/
	bool tobe_acknowledged;
};

#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
#define OSPF6_LSA_FLUSH      0x40

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 *, json_object *json_obj,
		       bool use_json);
	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)

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

#define CONTINUE_IF_ADDRESS_UNSPECIFIED(debug, addr)                           \
	if (IN6_IS_ADDR_UNSPECIFIED(&(addr)->u.prefix6)) {                     \
		if (debug)                                                     \
			zlog_debug("Filter out Unspecified: %pFX", addr);      \
		continue;                                                      \
	}

#define CONTINUE_IF_ADDRESS_LOOPBACK(debug, addr)                              \
	if (IN6_IS_ADDR_LOOPBACK(&(addr)->u.prefix6)) {                        \
		if (debug)                                                     \
			zlog_debug("Filter out Loopback: %pFX", addr);         \
		continue;                                                      \
	}

#define CONTINUE_IF_ADDRESS_V4COMPAT(debug, addr)                              \
	if (IN6_IS_ADDR_V4COMPAT(&(addr)->u.prefix6)) {                        \
		if (debug)                                                     \
			zlog_debug("Filter out V4Compat: %pFX", addr);         \
		continue;                                                      \
	}

#define CONTINUE_IF_ADDRESS_V4MAPPED(debug, addr)                              \
	if (IN6_IS_ADDR_V4MAPPED(&(addr)->u.prefix6)) {                        \
		if (debug)                                                     \
			zlog_debug("Filter out V4Mapped: %pFX", addr);         \
		continue;                                                      \
	}

#define CHECK_LSA_TOPO_CHG_ELIGIBLE(type)		\
	((type == OSPF6_LSTYPE_ROUTER)			\
	 || (type == OSPF6_LSTYPE_NETWORK)		\
	 || (type == OSPF6_LSTYPE_INTER_PREFIX)		\
	 || (type == OSPF6_LSTYPE_INTER_ROUTER)		\
	 || (type == OSPF6_LSTYPE_AS_EXTERNAL)		\
	 || (type == OSPF6_LSTYPE_TYPE_7)		\
	 || (type == OSPF6_LSTYPE_INTRA_PREFIX))

/* 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 metric_type(struct ospf6 *ospf6, int type, uint8_t instance);
extern int metric_value(struct ospf6 *ospf6, int type, uint8_t instance);
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 *lsa);
extern void ospf6_lsa_age_update_to_send(struct ospf6_lsa *lsa,
					 uint32_t transdelay);
extern void ospf6_lsa_premature_aging(struct ospf6_lsa *lsa);
extern int ospf6_lsa_compare(struct ospf6_lsa *lsa1, struct ospf6_lsa *lsa2);

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,
				   json_object *json, bool use_json);
extern void ospf6_lsa_show_dump(struct vty *vty, struct ospf6_lsa *lsa,
				json_object *json, bool use_json);
extern void ospf6_lsa_show_internal(struct vty *vty, struct ospf6_lsa *lsa,
				    json_object *json, bool use_json);
extern void ospf6_lsa_show(struct vty *vty, struct ospf6_lsa *lsa,
			   json_object *json, bool use_json);

extern struct ospf6_lsa *ospf6_lsa_alloc(size_t lsa_length);
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 *lsa);

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

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

extern unsigned short ospf6_lsa_checksum(struct ospf6_lsa_header *lsah);
extern int ospf6_lsa_checksum_valid(struct ospf6_lsa_header *lsah);
extern int ospf6_lsa_prohibited_duration(uint16_t type, uint32_t id,
					 uint32_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(uint16_t type);
extern void ospf6_lsa_debug_set_all(bool val);

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(struct ospf6 *ospf6);
extern struct ospf6 *ospf6_get_by_lsdb(struct ospf6_lsa *lsa);
struct ospf6_lsa *ospf6_find_external_lsa(struct ospf6 *ospf6,
					  struct prefix *p);
#endif /* OSPF6_LSA_H */
Commit	Line	Data
acddc0ed	1	// SPDX-License-Identifier: GPL-2.0-or-later
718e3744	2	/*
508e53e2	3	* Copyright (C) 2003 Yasuhiro Ohara
718e3744	4	*/
	5
	6	#ifndef OSPF6_LSA_H
	7	#define OSPF6_LSA_H
beadc736	8	#include "ospf6_top.h"
e4bacbaa	9	#include "lib/json.h"
718e3744	10
508e53e2	11	/* Debug option */
1e05838a	12	#define OSPF6_LSA_DEBUG 0x01
	13	#define OSPF6_LSA_DEBUG_ORIGINATE 0x02
	14	#define OSPF6_LSA_DEBUG_EXAMIN 0x04
	15	#define OSPF6_LSA_DEBUG_FLOOD 0x08
d5cb3508 YR	16	#define OSPF6_LSA_DEBUG_ALL \
	17	(OSPF6_LSA_DEBUG \| OSPF6_LSA_DEBUG_ORIGINATE \| OSPF6_LSA_DEBUG_EXAMIN \
	18	\| OSPF6_LSA_DEBUG_FLOOD)
4dc43886	19	#define OSPF6_LSA_DEBUG_AGGR 0x10
1e05838a	20
c4122b55 YR	21	/* OSPF LSA Default metric values */
	22	#define DEFAULT_DEFAULT_METRIC 20
	23	#define DEFAULT_DEFAULT_ORIGINATE_METRIC 10
	24	#define DEFAULT_DEFAULT_ALWAYS_METRIC 1
	25	#define DEFAULT_METRIC_TYPE 2
	26
d62a17ae	27	#define IS_OSPF6_DEBUG_LSA(name) \
	28	(ospf6_lstype_debug(htons(OSPF6_LSTYPE_##name)) & OSPF6_LSA_DEBUG)
	29	#define IS_OSPF6_DEBUG_ORIGINATE(name) \
	30	(ospf6_lstype_debug(htons(OSPF6_LSTYPE_##name)) \
	31	& OSPF6_LSA_DEBUG_ORIGINATE)
	32	#define IS_OSPF6_DEBUG_EXAMIN(name) \
	33	(ospf6_lstype_debug(htons(OSPF6_LSTYPE_##name)) \
	34	& OSPF6_LSA_DEBUG_EXAMIN)
	35	#define IS_OSPF6_DEBUG_LSA_TYPE(type) \
	36	(ospf6_lstype_debug(type) & OSPF6_LSA_DEBUG)
	37	#define IS_OSPF6_DEBUG_ORIGINATE_TYPE(type) \
	38	(ospf6_lstype_debug(type) & OSPF6_LSA_DEBUG_ORIGINATE)
	39	#define IS_OSPF6_DEBUG_EXAMIN_TYPE(type) \
	40	(ospf6_lstype_debug(type) & OSPF6_LSA_DEBUG_EXAMIN)
	41	#define IS_OSPF6_DEBUG_FLOOD_TYPE(type) \
	42	(ospf6_lstype_debug(type) & OSPF6_LSA_DEBUG_FLOOD)
c3a70f65	43	#define IS_OSPF6_DEBUG_AGGR \
4dc43886	44	(ospf6_lstype_debug(OSPF6_LSTYPE_AS_EXTERNAL) & OSPF6_LSA_DEBUG_AGGR) \
718e3744	45
	46	/* LSA definition */
	47
508e53e2	48	#define OSPF6_MAX_LSASIZE 4096
718e3744	49
718e3744	50	/* Type */
508e53e2	51	#define OSPF6_LSTYPE_UNKNOWN 0x0000
	52	#define OSPF6_LSTYPE_ROUTER 0x2001
	53	#define OSPF6_LSTYPE_NETWORK 0x2002
	54	#define OSPF6_LSTYPE_INTER_PREFIX 0x2003
	55	#define OSPF6_LSTYPE_INTER_ROUTER 0x2004
	56	#define OSPF6_LSTYPE_AS_EXTERNAL 0x4005
	57	#define OSPF6_LSTYPE_GROUP_MEMBERSHIP 0x2006
	58	#define OSPF6_LSTYPE_TYPE_7 0x2007
	59	#define OSPF6_LSTYPE_LINK 0x0008
	60	#define OSPF6_LSTYPE_INTRA_PREFIX 0x2009
91c169f7	61	#define OSPF6_LSTYPE_GRACE_LSA 0x000b
91c169f7	62	#define OSPF6_LSTYPE_SIZE 0x000c
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 */
d7c0a89a QY	82	uint16_t type; /* LS type */
858f9c08 DL	83	in_addr_t id; /* Link State ID */
858f9c08 DL	84	in_addr_t adv_router; /* Advertising Router */
d7c0a89a QY	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
ad500b22	108
d62a17ae	109	struct ospf6_lsa {
d62a17ae	110	char name[64]; /* dump string */
718e3744	111
d62a17ae	112	struct route_node *rn;
718e3744	113
d62a17ae	114	unsigned char lock; /* reference counter */
d62a17ae	115	unsigned char flag; /* special meaning (e.g. floodback) */
718e3744	116
d62a17ae	117	struct timeval birth; /* tv_sec when LS age 0 */
	118	struct timeval originated; /* used by MinLSInterval check */
	119	struct timeval received; /* used by MinLSArrival check */
	120	struct timeval installed;
718e3744	121
d62a17ae	122	struct thread *expire;
d62a17ae	123	struct thread refresh; / For self-originated LSA */
718e3744	124
d62a17ae	125	int retrans_count;
718e3744	126
d62a17ae	127	struct ospf6_lsdb *lsdb;
6452df09	128
ad500b22 K	129	in_addr_t external_lsa_id;
ad500b22 K	130
d62a17ae	131	/* lsa instance */
d62a17ae	132	struct ospf6_lsa_header *header;
91c169f7	133
	134	/For topo chg detection in HELPER role/
	135	bool tobe_acknowledged;
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
ca1f4309	142	#define OSPF6_LSA_UNAPPROVED 0x10
3b220289	143	#define OSPF6_LSA_SEQWRAPPED 0x20
ad500b22	144	#define OSPF6_LSA_FLUSH 0x40
508e53e2	145
d62a17ae	146	struct ospf6_lsa_handler {
01db90cd DL	147	uint16_t lh_type; /* host byte order */
	148	const char *lh_name;
	149	const char *lh_short_name;
e4bacbaa YR	150	int (lh_show)(struct vty , struct ospf6_lsa , json_object json_obj,
	151	bool use_json);
	152	char (lh_get_prefix_str)(struct ospf6_lsa , char buf, int buflen,
	153	int pos);
01db90cd DL	154
01db90cd DL	155	uint8_t lh_debug;
508e53e2	156	};
508e53e2	157
3981b5c7	158	#define OSPF6_LSA_IS_KNOWN(t) \
0ab50080	159	(ospf6_get_lsa_handler(t)->lh_type != OSPF6_LSTYPE_UNKNOWN ? 1 : 0)
2680aa2b	160
508e53e2	161	/* Macro for LSA Origination */
1e05838a	162	/* addr is (struct prefix ) /
d62a17ae	163	#define CONTINUE_IF_ADDRESS_LINKLOCAL(debug, addr) \
d62a17ae	164	if (IN6_IS_ADDR_LINKLOCAL(&(addr)->u.prefix6)) { \
d62a17ae	165	if (debug) \
2dbe669b	166	zlog_debug("Filter out Linklocal: %pFX", addr); \
d62a17ae	167	continue; \
	168	}
	169
	170	#define CONTINUE_IF_ADDRESS_UNSPECIFIED(debug, addr) \
	171	if (IN6_IS_ADDR_UNSPECIFIED(&(addr)->u.prefix6)) { \
d62a17ae	172	if (debug) \
2dbe669b	173	zlog_debug("Filter out Unspecified: %pFX", addr); \
d62a17ae	174	continue; \
	175	}
	176
	177	#define CONTINUE_IF_ADDRESS_LOOPBACK(debug, addr) \
	178	if (IN6_IS_ADDR_LOOPBACK(&(addr)->u.prefix6)) { \
d62a17ae	179	if (debug) \
2dbe669b	180	zlog_debug("Filter out Loopback: %pFX", addr); \
d62a17ae	181	continue; \
	182	}
	183
	184	#define CONTINUE_IF_ADDRESS_V4COMPAT(debug, addr) \
	185	if (IN6_IS_ADDR_V4COMPAT(&(addr)->u.prefix6)) { \
d62a17ae	186	if (debug) \
2dbe669b	187	zlog_debug("Filter out V4Compat: %pFX", addr); \
d62a17ae	188	continue; \
	189	}
	190
	191	#define CONTINUE_IF_ADDRESS_V4MAPPED(debug, addr) \
	192	if (IN6_IS_ADDR_V4MAPPED(&(addr)->u.prefix6)) { \
d62a17ae	193	if (debug) \
2dbe669b	194	zlog_debug("Filter out V4Mapped: %pFX", addr); \
d62a17ae	195	continue; \
d62a17ae	196	}
718e3744	197
91c169f7	198	#define CHECK_LSA_TOPO_CHG_ELIGIBLE(type) \
	199	((type == OSPF6_LSTYPE_ROUTER) \
	200	\|\| (type == OSPF6_LSTYPE_NETWORK) \
	201	\|\| (type == OSPF6_LSTYPE_INTER_PREFIX) \
	202	\|\| (type == OSPF6_LSTYPE_INTER_ROUTER) \
	203	\|\| (type == OSPF6_LSTYPE_AS_EXTERNAL) \
	204	\|\| (type == OSPF6_LSTYPE_TYPE_7) \
	205	\|\| (type == OSPF6_LSTYPE_INTRA_PREFIX))
6b0655a2	206
718e3744	207	/* Function Prototypes */
d7c0a89a QY	208	extern const char *ospf6_lstype_name(uint16_t type);
	209	extern const char *ospf6_lstype_short_name(uint16_t type);
	210	extern uint8_t ospf6_lstype_debug(uint16_t type);
c4122b55 YR	211	extern int metric_type(struct ospf6 *ospf6, int type, uint8_t instance);
c4122b55 YR	212	extern int metric_value(struct ospf6 *ospf6, int type, uint8_t instance);
d62a17ae	213	extern int ospf6_lsa_is_differ(struct ospf6_lsa lsa1, struct ospf6_lsa lsa2);
d62a17ae	214	extern int ospf6_lsa_is_changed(struct ospf6_lsa lsa1, struct ospf6_lsa lsa2);
7932dd93 DS	215	extern uint16_t ospf6_lsa_age_current(struct ospf6_lsa *lsa);
	216	extern void ospf6_lsa_age_update_to_send(struct ospf6_lsa *lsa,
	217	uint32_t transdelay);
	218	extern void ospf6_lsa_premature_aging(struct ospf6_lsa *lsa);
	219	extern int ospf6_lsa_compare(struct ospf6_lsa lsa1, struct ospf6_lsa lsa2);
d62a17ae	220
	221	extern char ospf6_lsa_printbuf(struct ospf6_lsa lsa, char *buf, int size);
	222	extern void ospf6_lsa_header_print_raw(struct ospf6_lsa_header *header);
	223	extern void ospf6_lsa_header_print(struct ospf6_lsa *lsa);
	224	extern void ospf6_lsa_show_summary_header(struct vty *vty);
e4bacbaa YR	225	extern void ospf6_lsa_show_summary(struct vty vty, struct ospf6_lsa lsa,
	226	json_object *json, bool use_json);
	227	extern void ospf6_lsa_show_dump(struct vty vty, struct ospf6_lsa lsa,
	228	json_object *json, bool use_json);
	229	extern void ospf6_lsa_show_internal(struct vty vty, struct ospf6_lsa lsa,
	230	json_object *json, bool use_json);
	231	extern void ospf6_lsa_show(struct vty vty, struct ospf6_lsa lsa,
	232	json_object *json, bool use_json);
d62a17ae	233
771e1fbe	234	extern struct ospf6_lsa *ospf6_lsa_alloc(size_t lsa_length);
d62a17ae	235	extern struct ospf6_lsa ospf6_lsa_create(struct ospf6_lsa_header header);
	236	extern struct ospf6_lsa *
	237	ospf6_lsa_create_headeronly(struct ospf6_lsa_header *header);
	238	extern void ospf6_lsa_delete(struct ospf6_lsa *lsa);
7932dd93	239	extern struct ospf6_lsa ospf6_lsa_copy(struct ospf6_lsa lsa);
d62a17ae	240
62270cc3 DS	241	extern struct ospf6_lsa ospf6_lsa_lock(struct ospf6_lsa lsa);
62270cc3 DS	242	extern struct ospf6_lsa ospf6_lsa_unlock(struct ospf6_lsa lsa);
d62a17ae	243
cc9f21da DS	244	extern void ospf6_lsa_expire(struct thread *thread);
cc9f21da DS	245	extern void ospf6_lsa_refresh(struct thread *thread);
d62a17ae	246
7932dd93 DS	247	extern unsigned short ospf6_lsa_checksum(struct ospf6_lsa_header *lsah);
7932dd93 DS	248	extern int ospf6_lsa_checksum_valid(struct ospf6_lsa_header *lsah);
d7c0a89a QY	249	extern int ospf6_lsa_prohibited_duration(uint16_t type, uint32_t id,
d7c0a89a QY	250	uint32_t adv_router, void *scope);
d62a17ae	251
4062abfa DS	252	extern void ospf6_install_lsa_handler(struct ospf6_lsa_handler *handler);
4062abfa DS	253	extern struct ospf6_lsa_handler *ospf6_get_lsa_handler(uint16_t type);
067967b8	254	extern void ospf6_lsa_debug_set_all(bool val);
d62a17ae	255
	256	extern void ospf6_lsa_init(void);
	257	extern void ospf6_lsa_terminate(void);
	258
	259	extern int config_write_ospf6_debug_lsa(struct vty *vty);
	260	extern void install_element_ospf6_debug_lsa(void);
da086a3b	261	extern void ospf6_lsa_age_set(struct ospf6_lsa *lsa);
beadc736	262	extern void ospf6_flush_self_originated_lsas_now(struct ospf6 *ospf6);
beadc736	263	extern struct ospf6 ospf6_get_by_lsdb(struct ospf6_lsa lsa);
c3a70f65 MR	264	struct ospf6_lsa ospf6_find_external_lsa(struct ospf6 ospf6,
c3a70f65 MR	265	struct prefix *p);
718e3744	266	#endif /* OSPF6_LSA_H */