[mirror_frr.git] / ospf6d / ospf6_route.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_ROUTE_H
#define OSPF6_ROUTE_H

#include "command.h"

#define OSPF6_MULTI_PATH_LIMIT    4

/* Debug option */
extern unsigned char conf_debug_ospf6_route;
#define OSPF6_DEBUG_ROUTE_TABLE   0x01
#define OSPF6_DEBUG_ROUTE_INTRA   0x02
#define OSPF6_DEBUG_ROUTE_INTER   0x04
#define OSPF6_DEBUG_ROUTE_MEMORY  0x80
#define OSPF6_DEBUG_ROUTE_ON(level) (conf_debug_ospf6_route |= (level))
#define OSPF6_DEBUG_ROUTE_OFF(level) (conf_debug_ospf6_route &= ~(level))
#define IS_OSPF6_DEBUG_ROUTE(e) (conf_debug_ospf6_route & OSPF6_DEBUG_ROUTE_##e)

/* Nexthop */
struct ospf6_nexthop {
	/* Interface index */
	ifindex_t ifindex;

	/* IP address, if any */
	struct in6_addr address;
};

#define ospf6_nexthop_is_set(x)                                                \
	((x)->ifindex || !IN6_IS_ADDR_UNSPECIFIED(&(x)->address))
#define ospf6_nexthop_is_same(a, b)                                            \
	((a)->ifindex == (b)->ifindex                                          \
	 && IN6_ARE_ADDR_EQUAL(&(a)->address, &(b)->address))
#define ospf6_nexthop_clear(x)                                                 \
	do {                                                                   \
		(x)->ifindex = 0;                                              \
		memset(&(x)->address, 0, sizeof(struct in6_addr));             \
	} while (0)
#define ospf6_nexthop_copy(a, b)                                               \
	do {                                                                   \
		(a)->ifindex = (b)->ifindex;                                   \
		memcpy(&(a)->address, &(b)->address, sizeof(struct in6_addr)); \
	} while (0)

/* Path */
struct ospf6_ls_origin {
	u_int16_t type;
	u_int32_t id;
	u_int32_t adv_router;
};

struct ospf6_path {
	/* Link State Origin */
	struct ospf6_ls_origin origin;

	/* Router bits */
	u_char router_bits;

	/* Optional Capabilities */
	u_char options[3];

	/* Prefix Options */
	u_char prefix_options;

	/* Associated Area */
	u_int32_t area_id;

	/* Path-type */
	u_char type;
	u_char subtype; /* only used for redistribute i.e ZEBRA_ROUTE_XXX */

	/* Cost */
	u_int8_t metric_type;
	u_int32_t cost;
	union {
		u_int32_t cost_e2;
		u_int32_t cost_config;
	} u;
	u_int32_t tag;
};

#define OSPF6_PATH_TYPE_NONE         0
#define OSPF6_PATH_TYPE_INTRA        1
#define OSPF6_PATH_TYPE_INTER        2
#define OSPF6_PATH_TYPE_EXTERNAL1    3
#define OSPF6_PATH_TYPE_EXTERNAL2    4
#define OSPF6_PATH_TYPE_REDISTRIBUTE 5
#define OSPF6_PATH_TYPE_MAX          6

#define OSPF6_PATH_SUBTYPE_DEFAULT_RT   1

#define OSPF6_PATH_COST_IS_CONFIGURED(path) (path.u.cost_config != OSPF_AREA_RANGE_COST_UNSPEC)

#include "prefix.h"
#include "table.h"
#include "bitfield.h"

struct ospf6_route {
	struct route_node *rnode;
	struct ospf6_route_table *table;
	struct ospf6_route *prev;
	struct ospf6_route *next;

	unsigned int lock;

	/* Destination Type */
	u_char type;

	/* XXX: It would likely be better to use separate struct in_addr's
	 * for the advertising router-ID and prefix IDs, instead of stuffing
	 * them
	 * into one. See also XXX below.
	 */
	/* Destination ID */
	struct prefix prefix;

	/* Time */
	struct timeval installed;
	struct timeval changed;

	/* flag */
	u_char flag;

	/* route option */
	void *route_option;

	/* link state id for advertising */
	u_int32_t linkstate_id;

	/* path */
	struct ospf6_path path;

	/* nexthop */
	struct list *nh_list;
};

#define OSPF6_DEST_TYPE_NONE       0
#define OSPF6_DEST_TYPE_ROUTER     1
#define OSPF6_DEST_TYPE_NETWORK    2
#define OSPF6_DEST_TYPE_DISCARD    3
#define OSPF6_DEST_TYPE_LINKSTATE  4
#define OSPF6_DEST_TYPE_RANGE      5
#define OSPF6_DEST_TYPE_MAX        6

#define OSPF6_ROUTE_CHANGE           0x01
#define OSPF6_ROUTE_ADD              0x02
#define OSPF6_ROUTE_REMOVE           0x04
#define OSPF6_ROUTE_BEST             0x08
#define OSPF6_ROUTE_ACTIVE_SUMMARY   0x10
#define OSPF6_ROUTE_DO_NOT_ADVERTISE 0x20
#define OSPF6_ROUTE_WAS_REMOVED      0x40
#define OSPF6_ROUTE_BLACKHOLE_ADDED  0x80

struct ospf6_route_table {
	int scope_type;
	int table_type;
	void *scope;

	/* patricia tree */
	struct route_table *table;

	u_int32_t count;

	bitfield_t idspace;

	/* hooks */
	void (*hook_add)(struct ospf6_route *);
	void (*hook_change)(struct ospf6_route *);
	void (*hook_remove)(struct ospf6_route *);
};

#define OSPF6_SCOPE_TYPE_NONE      0
#define OSPF6_SCOPE_TYPE_GLOBAL    1
#define OSPF6_SCOPE_TYPE_AREA      2
#define OSPF6_SCOPE_TYPE_INTERFACE 3

#define OSPF6_TABLE_TYPE_NONE              0
#define OSPF6_TABLE_TYPE_ROUTES            1
#define OSPF6_TABLE_TYPE_BORDER_ROUTERS    2
#define OSPF6_TABLE_TYPE_CONNECTED_ROUTES  3
#define OSPF6_TABLE_TYPE_EXTERNAL_ROUTES   4
#define OSPF6_TABLE_TYPE_SPF_RESULTS       5
#define OSPF6_TABLE_TYPE_PREFIX_RANGES     6
#define OSPF6_TABLE_TYPE_SUMMARY_PREFIXES  7
#define OSPF6_TABLE_TYPE_SUMMARY_ROUTERS   8

#define OSPF6_ROUTE_TABLE_CREATE(s, t)                                         \
	ospf6_route_table_create(OSPF6_SCOPE_TYPE_##s, OSPF6_TABLE_TYPE_##t)

extern const char *ospf6_dest_type_str[OSPF6_DEST_TYPE_MAX];
extern const char *ospf6_dest_type_substr[OSPF6_DEST_TYPE_MAX];
#define OSPF6_DEST_TYPE_NAME(x)                                                \
	(0 < (x) && (x) < OSPF6_DEST_TYPE_MAX ? ospf6_dest_type_str[(x)]       \
					      : ospf6_dest_type_str[0])
#define OSPF6_DEST_TYPE_SUBSTR(x)                                              \
	(0 < (x) && (x) < OSPF6_DEST_TYPE_MAX ? ospf6_dest_type_substr[(x)]    \
					      : ospf6_dest_type_substr[0])

extern const char *ospf6_path_type_str[OSPF6_PATH_TYPE_MAX];
extern const char *ospf6_path_type_substr[OSPF6_PATH_TYPE_MAX];
#define OSPF6_PATH_TYPE_NAME(x)                                                \
	(0 < (x) && (x) < OSPF6_PATH_TYPE_MAX ? ospf6_path_type_str[(x)]       \
					      : ospf6_path_type_str[0])
#define OSPF6_PATH_TYPE_SUBSTR(x)                                              \
	(0 < (x) && (x) < OSPF6_PATH_TYPE_MAX ? ospf6_path_type_substr[(x)]    \
					      : ospf6_path_type_substr[0])

#define OSPF6_ROUTE_ADDRESS_STR "Display the route bestmatches the address\n"
#define OSPF6_ROUTE_PREFIX_STR  "Display the route\n"
#define OSPF6_ROUTE_MATCH_STR   "Display the route matches the prefix\n"

#define ospf6_route_is_prefix(p, r)                                            \
	(memcmp(p, &(r)->prefix, sizeof(struct prefix)) == 0)
#define ospf6_route_is_same(ra, rb) (prefix_same(&(ra)->prefix, &(rb)->prefix))
#define ospf6_route_is_same_origin(ra, rb)                                     \
	((ra)->path.area_id == (rb)->path.area_id                              \
	 && memcmp(&(ra)->path.origin, &(rb)->path.origin,                     \
		   sizeof(struct ospf6_ls_origin))                             \
		    == 0)
#define ospf6_route_is_identical(ra, rb)                                       \
	((ra)->type == (rb)->type                                              \
	 && memcmp(&(ra)->prefix, &(rb)->prefix, sizeof(struct prefix)) == 0   \
	 && memcmp(&(ra)->path, &(rb)->path, sizeof(struct ospf6_path)) == 0   \
	 && ospf6_route_cmp_nexthops(ra, rb) == 0)

#define ospf6_route_is_best(r) (CHECK_FLAG ((r)->flag, OSPF6_ROUTE_BEST))

#define ospf6_linkstate_prefix_adv_router(x) ((x)->u.lp.id.s_addr)
#define ospf6_linkstate_prefix_id(x) ((x)->u.lp.adv_router.s_addr)

#define ADV_ROUTER_IN_PREFIX(x) ((x)->u.lp.id.s_addr)

/* Function prototype */
extern void ospf6_linkstate_prefix(u_int32_t adv_router, u_int32_t id,
				   struct prefix *prefix);
extern void ospf6_linkstate_prefix2str(struct prefix *prefix, char *buf,
				       int size);

extern struct ospf6_nexthop *ospf6_nexthop_create(void);
extern void ospf6_nexthop_delete(struct ospf6_nexthop *nh);
extern void ospf6_clear_nexthops(struct list *nh_list);
extern int ospf6_num_nexthops(struct list *nh_list);
extern void ospf6_copy_nexthops(struct list *dst, struct list *src);
extern void ospf6_merge_nexthops(struct list *dst, struct list *src);
extern void ospf6_add_nexthop(struct list *nh_list, int ifindex,
			      struct in6_addr *addr);
extern int ospf6_num_nexthops(struct list *nh_list);
extern int ospf6_route_cmp_nexthops(struct ospf6_route *a,
				    struct ospf6_route *b);
extern void ospf6_route_zebra_copy_nexthops(struct ospf6_route *route,
					    ifindex_t *ifindices,
					    struct in6_addr **addr,
					    int entries);
extern int ospf6_route_get_first_nh_index(struct ospf6_route *route);

/* Hide abstraction of nexthop implementation in route from outsiders */
#define ospf6_route_copy_nexthops(dst, src) ospf6_copy_nexthops(dst->nh_list, src->nh_list)
#define ospf6_route_merge_nexthops(dst, src) ospf6_merge_nexthops(dst->nh_list, src->nh_list)
#define ospf6_route_num_nexthops(route) ospf6_num_nexthops(route->nh_list)
#define ospf6_route_add_nexthop(route, ifindex, addr)                          \
	ospf6_add_nexthop(route->nh_list, ifindex, addr)

extern struct ospf6_route *ospf6_route_create(void);
extern void ospf6_route_delete(struct ospf6_route *);
extern struct ospf6_route *ospf6_route_copy(struct ospf6_route *route);
extern int ospf6_route_cmp(struct ospf6_route *ra, struct ospf6_route *rb);

extern void ospf6_route_lock(struct ospf6_route *route);
extern void ospf6_route_unlock(struct ospf6_route *route);

extern struct ospf6_route *ospf6_route_lookup(struct prefix *prefix,
					      struct ospf6_route_table *table);
extern struct ospf6_route *
ospf6_route_lookup_identical(struct ospf6_route *route,
			     struct ospf6_route_table *table);
extern struct ospf6_route *
ospf6_route_lookup_bestmatch(struct prefix *prefix,
			     struct ospf6_route_table *table);

extern struct ospf6_route *ospf6_route_add(struct ospf6_route *route,
					   struct ospf6_route_table *table);
extern void ospf6_route_remove(struct ospf6_route *route,
			       struct ospf6_route_table *table);

extern struct ospf6_route *ospf6_route_head(struct ospf6_route_table *table);
extern struct ospf6_route *ospf6_route_next(struct ospf6_route *route);
extern struct ospf6_route *ospf6_route_best_next(struct ospf6_route *route);

extern struct ospf6_route *
ospf6_route_match_head(struct prefix *prefix, struct ospf6_route_table *table);
extern struct ospf6_route *ospf6_route_match_next(struct prefix *prefix,
						  struct ospf6_route *route);

extern void ospf6_route_remove_all(struct ospf6_route_table *);
extern struct ospf6_route_table *ospf6_route_table_create(int s, int t);
extern void ospf6_route_table_delete(struct ospf6_route_table *);
extern void ospf6_route_dump(struct ospf6_route_table *table);


extern void ospf6_route_show(struct vty *vty, struct ospf6_route *route);
extern void ospf6_route_show_detail(struct vty *vty, struct ospf6_route *route);

extern int ospf6_route_table_show(struct vty *, int, int, struct cmd_token **,
				  struct ospf6_route_table *);
extern int ospf6_linkstate_table_show(struct vty *vty, int idx_ipv4, int argc,
				      struct cmd_token **argv,
				      struct ospf6_route_table *table);

extern void ospf6_brouter_show_header(struct vty *vty);
extern void ospf6_brouter_show(struct vty *vty, struct ospf6_route *route);

extern int config_write_ospf6_debug_route(struct vty *vty);
extern void install_element_ospf6_debug_route(void);
extern void ospf6_route_init(void);
extern void ospf6_clean(void);

#endif /* OSPF6_ROUTE_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_ROUTE_H
	22	#define OSPF6_ROUTE_H
	23
ddae3015 DL	24	#include "command.h"
ddae3015 DL	25
508e53e2	26	#define OSPF6_MULTI_PATH_LIMIT 4
718e3744	27
508e53e2	28	/* Debug option */
	29	extern unsigned char conf_debug_ospf6_route;
	30	#define OSPF6_DEBUG_ROUTE_TABLE 0x01
	31	#define OSPF6_DEBUG_ROUTE_INTRA 0x02
	32	#define OSPF6_DEBUG_ROUTE_INTER 0x04
cf1ce250	33	#define OSPF6_DEBUG_ROUTE_MEMORY 0x80
d62a17ae	34	#define OSPF6_DEBUG_ROUTE_ON(level) (conf_debug_ospf6_route \|= (level))
	35	#define OSPF6_DEBUG_ROUTE_OFF(level) (conf_debug_ospf6_route &= ~(level))
	36	#define IS_OSPF6_DEBUG_ROUTE(e) (conf_debug_ospf6_route & OSPF6_DEBUG_ROUTE_##e)
718e3744	37
508e53e2	38	/* Nexthop */
d62a17ae	39	struct ospf6_nexthop {
	40	/* Interface index */
	41	ifindex_t ifindex;
718e3744	42
d62a17ae	43	/* IP address, if any */
d62a17ae	44	struct in6_addr address;
718e3744	45	};
718e3744	46
d62a17ae	47	#define ospf6_nexthop_is_set(x) \
	48	((x)->ifindex \|\| !IN6_IS_ADDR_UNSPECIFIED(&(x)->address))
	49	#define ospf6_nexthop_is_same(a, b) \
	50	((a)->ifindex == (b)->ifindex \
	51	&& IN6_ARE_ADDR_EQUAL(&(a)->address, &(b)->address))
	52	#define ospf6_nexthop_clear(x) \
	53	do { \
	54	(x)->ifindex = 0; \
	55	memset(&(x)->address, 0, sizeof(struct in6_addr)); \
	56	} while (0)
	57	#define ospf6_nexthop_copy(a, b) \
	58	do { \
	59	(a)->ifindex = (b)->ifindex; \
	60	memcpy(&(a)->address, &(b)->address, sizeof(struct in6_addr)); \
	61	} while (0)
508e53e2	62
718e3744	63	/* Path */
d62a17ae	64	struct ospf6_ls_origin {
	65	u_int16_t type;
	66	u_int32_t id;
	67	u_int32_t adv_router;
718e3744	68	};
718e3744	69
d62a17ae	70	struct ospf6_path {
	71	/* Link State Origin */
	72	struct ospf6_ls_origin origin;
718e3744	73
d62a17ae	74	/* Router bits */
d62a17ae	75	u_char router_bits;
718e3744	76
d62a17ae	77	/* Optional Capabilities */
d62a17ae	78	u_char options[3];
718e3744	79
d62a17ae	80	/* Prefix Options */
d62a17ae	81	u_char prefix_options;
718e3744	82
d62a17ae	83	/* Associated Area */
d62a17ae	84	u_int32_t area_id;
718e3744	85
d62a17ae	86	/* Path-type */
	87	u_char type;
	88	u_char subtype; /* only used for redistribute i.e ZEBRA_ROUTE_XXX */
718e3744	89
d62a17ae	90	/* Cost */
	91	u_int8_t metric_type;
	92	u_int32_t cost;
	93	union {
	94	u_int32_t cost_e2;
	95	u_int32_t cost_config;
	96	} u;
	97	u_int32_t tag;
718e3744	98	};
718e3744	99
6452df09	100	#define OSPF6_PATH_TYPE_NONE 0
	101	#define OSPF6_PATH_TYPE_INTRA 1
	102	#define OSPF6_PATH_TYPE_INTER 2
	103	#define OSPF6_PATH_TYPE_EXTERNAL1 3
	104	#define OSPF6_PATH_TYPE_EXTERNAL2 4
	105	#define OSPF6_PATH_TYPE_REDISTRIBUTE 5
	106	#define OSPF6_PATH_TYPE_MAX 6
718e3744	107
ca1f4309 DS	108	#define OSPF6_PATH_SUBTYPE_DEFAULT_RT 1
	109
	110	#define OSPF6_PATH_COST_IS_CONFIGURED(path) (path.u.cost_config != OSPF_AREA_RANGE_COST_UNSPEC)
	111
508e53e2	112	#include "prefix.h"
508e53e2	113	#include "table.h"
c3c0ac83	114	#include "bitfield.h"
718e3744	115
d62a17ae	116	struct ospf6_route {
	117	struct route_node *rnode;
	118	struct ospf6_route_table *table;
	119	struct ospf6_route *prev;
	120	struct ospf6_route *next;
718e3744	121
d62a17ae	122	unsigned int lock;
718e3744	123
d62a17ae	124	/* Destination Type */
d62a17ae	125	u_char type;
508e53e2	126
d62a17ae	127	/* XXX: It would likely be better to use separate struct in_addr's
	128	* for the advertising router-ID and prefix IDs, instead of stuffing
	129	* them
	130	* into one. See also XXX below.
	131	*/
	132	/* Destination ID */
	133	struct prefix prefix;
508e53e2	134
d62a17ae	135	/* Time */
	136	struct timeval installed;
	137	struct timeval changed;
718e3744	138
d62a17ae	139	/* flag */
d62a17ae	140	u_char flag;
718e3744	141
d62a17ae	142	/* route option */
d62a17ae	143	void *route_option;
049207c3	144
d62a17ae	145	/* link state id for advertising */
d62a17ae	146	u_int32_t linkstate_id;
c3c0ac83	147
d62a17ae	148	/* path */
d62a17ae	149	struct ospf6_path path;
c3c0ac83	150
d62a17ae	151	/* nexthop */
d62a17ae	152	struct list *nh_list;
718e3744	153	};
	154
	155	#define OSPF6_DEST_TYPE_NONE 0
	156	#define OSPF6_DEST_TYPE_ROUTER 1
	157	#define OSPF6_DEST_TYPE_NETWORK 2
	158	#define OSPF6_DEST_TYPE_DISCARD 3
508e53e2	159	#define OSPF6_DEST_TYPE_LINKSTATE 4
6452df09	160	#define OSPF6_DEST_TYPE_RANGE 5
6452df09	161	#define OSPF6_DEST_TYPE_MAX 6
718e3744	162
6452df09	163	#define OSPF6_ROUTE_CHANGE 0x01
	164	#define OSPF6_ROUTE_ADD 0x02
	165	#define OSPF6_ROUTE_REMOVE 0x04
	166	#define OSPF6_ROUTE_BEST 0x08
4846ef64	167	#define OSPF6_ROUTE_ACTIVE_SUMMARY 0x10
4846ef64	168	#define OSPF6_ROUTE_DO_NOT_ADVERTISE 0x20
9428f2dc	169	#define OSPF6_ROUTE_WAS_REMOVED 0x40
c3c0ac83	170	#define OSPF6_ROUTE_BLACKHOLE_ADDED 0x80
718e3744	171
d62a17ae	172	struct ospf6_route_table {
	173	int scope_type;
	174	int table_type;
	175	void *scope;
cf1ce250	176
d62a17ae	177	/* patricia tree */
d62a17ae	178	struct route_table *table;
718e3744	179
d62a17ae	180	u_int32_t count;
718e3744	181
d62a17ae	182	bitfield_t idspace;
c3c0ac83	183
d62a17ae	184	/* hooks */
	185	void (hook_add)(struct ospf6_route );
	186	void (hook_change)(struct ospf6_route );
	187	void (hook_remove)(struct ospf6_route );
508e53e2	188	};
718e3744	189
cf1ce250 PJ	190	#define OSPF6_SCOPE_TYPE_NONE 0
	191	#define OSPF6_SCOPE_TYPE_GLOBAL 1
	192	#define OSPF6_SCOPE_TYPE_AREA 2
	193	#define OSPF6_SCOPE_TYPE_INTERFACE 3
	194
	195	#define OSPF6_TABLE_TYPE_NONE 0
	196	#define OSPF6_TABLE_TYPE_ROUTES 1
	197	#define OSPF6_TABLE_TYPE_BORDER_ROUTERS 2
	198	#define OSPF6_TABLE_TYPE_CONNECTED_ROUTES 3
	199	#define OSPF6_TABLE_TYPE_EXTERNAL_ROUTES 4
	200	#define OSPF6_TABLE_TYPE_SPF_RESULTS 5
	201	#define OSPF6_TABLE_TYPE_PREFIX_RANGES 6
	202	#define OSPF6_TABLE_TYPE_SUMMARY_PREFIXES 7
	203	#define OSPF6_TABLE_TYPE_SUMMARY_ROUTERS 8
	204
d62a17ae	205	#define OSPF6_ROUTE_TABLE_CREATE(s, t) \
d62a17ae	206	ospf6_route_table_create(OSPF6_SCOPE_TYPE_##s, OSPF6_TABLE_TYPE_##t)
cf1ce250	207
0c083ee9	208	extern const char *ospf6_dest_type_str[OSPF6_DEST_TYPE_MAX];
0c083ee9	209	extern const char *ospf6_dest_type_substr[OSPF6_DEST_TYPE_MAX];
d62a17ae	210	#define OSPF6_DEST_TYPE_NAME(x) \
	211	(0 < (x) && (x) < OSPF6_DEST_TYPE_MAX ? ospf6_dest_type_str[(x)] \
	212	: ospf6_dest_type_str[0])
	213	#define OSPF6_DEST_TYPE_SUBSTR(x) \
	214	(0 < (x) && (x) < OSPF6_DEST_TYPE_MAX ? ospf6_dest_type_substr[(x)] \
	215	: ospf6_dest_type_substr[0])
508e53e2	216
0c083ee9	217	extern const char *ospf6_path_type_str[OSPF6_PATH_TYPE_MAX];
0c083ee9	218	extern const char *ospf6_path_type_substr[OSPF6_PATH_TYPE_MAX];
d62a17ae	219	#define OSPF6_PATH_TYPE_NAME(x) \
	220	(0 < (x) && (x) < OSPF6_PATH_TYPE_MAX ? ospf6_path_type_str[(x)] \
	221	: ospf6_path_type_str[0])
	222	#define OSPF6_PATH_TYPE_SUBSTR(x) \
	223	(0 < (x) && (x) < OSPF6_PATH_TYPE_MAX ? ospf6_path_type_substr[(x)] \
	224	: ospf6_path_type_substr[0])
508e53e2	225
	226	#define OSPF6_ROUTE_ADDRESS_STR "Display the route bestmatches the address\n"
	227	#define OSPF6_ROUTE_PREFIX_STR "Display the route\n"
	228	#define OSPF6_ROUTE_MATCH_STR "Display the route matches the prefix\n"
	229
d62a17ae	230	#define ospf6_route_is_prefix(p, r) \
	231	(memcmp(p, &(r)->prefix, sizeof(struct prefix)) == 0)
	232	#define ospf6_route_is_same(ra, rb) (prefix_same(&(ra)->prefix, &(rb)->prefix))
	233	#define ospf6_route_is_same_origin(ra, rb) \
	234	((ra)->path.area_id == (rb)->path.area_id \
	235	&& memcmp(&(ra)->path.origin, &(rb)->path.origin, \
	236	sizeof(struct ospf6_ls_origin)) \
	237	== 0)
	238	#define ospf6_route_is_identical(ra, rb) \
	239	((ra)->type == (rb)->type \
	240	&& memcmp(&(ra)->prefix, &(rb)->prefix, sizeof(struct prefix)) == 0 \
	241	&& memcmp(&(ra)->path, &(rb)->path, sizeof(struct ospf6_path)) == 0 \
	242	&& ospf6_route_cmp_nexthops(ra, rb) == 0)
c3c0ac83	243
508e53e2	244	#define ospf6_route_is_best(r) (CHECK_FLAG ((r)->flag, OSPF6_ROUTE_BEST))
508e53e2	245
d62a17ae	246	#define ospf6_linkstate_prefix_adv_router(x) ((x)->u.lp.id.s_addr)
d62a17ae	247	#define ospf6_linkstate_prefix_id(x) ((x)->u.lp.adv_router.s_addr)
508e53e2	248
d62a17ae	249	#define ADV_ROUTER_IN_PREFIX(x) ((x)->u.lp.id.s_addr)
3b68735f	250
508e53e2	251	/* Function prototype */
d62a17ae	252	extern void ospf6_linkstate_prefix(u_int32_t adv_router, u_int32_t id,
	253	struct prefix *prefix);
	254	extern void ospf6_linkstate_prefix2str(struct prefix prefix, char buf,
	255	int size);
	256
	257	extern struct ospf6_nexthop *ospf6_nexthop_create(void);
	258	extern void ospf6_nexthop_delete(struct ospf6_nexthop *nh);
d62a17ae	259	extern void ospf6_clear_nexthops(struct list *nh_list);
	260	extern int ospf6_num_nexthops(struct list *nh_list);
	261	extern void ospf6_copy_nexthops(struct list dst, struct list src);
	262	extern void ospf6_merge_nexthops(struct list dst, struct list src);
	263	extern void ospf6_add_nexthop(struct list *nh_list, int ifindex,
	264	struct in6_addr *addr);
	265	extern int ospf6_num_nexthops(struct list *nh_list);
	266	extern int ospf6_route_cmp_nexthops(struct ospf6_route *a,
	267	struct ospf6_route *b);
	268	extern void ospf6_route_zebra_copy_nexthops(struct ospf6_route *route,
	269	ifindex_t *ifindices,
	270	struct in6_addr **addr,
	271	int entries);
	272	extern int ospf6_route_get_first_nh_index(struct ospf6_route *route);
c3c0ac83 DS	273
	274	/* Hide abstraction of nexthop implementation in route from outsiders */
	275	#define ospf6_route_copy_nexthops(dst, src) ospf6_copy_nexthops(dst->nh_list, src->nh_list)
	276	#define ospf6_route_merge_nexthops(dst, src) ospf6_merge_nexthops(dst->nh_list, src->nh_list)
	277	#define ospf6_route_num_nexthops(route) ospf6_num_nexthops(route->nh_list)
d62a17ae	278	#define ospf6_route_add_nexthop(route, ifindex, addr) \
	279	ospf6_add_nexthop(route->nh_list, ifindex, addr)
	280
	281	extern struct ospf6_route *ospf6_route_create(void);
	282	extern void ospf6_route_delete(struct ospf6_route *);
	283	extern struct ospf6_route ospf6_route_copy(struct ospf6_route route);
	284	extern int ospf6_route_cmp(struct ospf6_route ra, struct ospf6_route rb);
	285
	286	extern void ospf6_route_lock(struct ospf6_route *route);
	287	extern void ospf6_route_unlock(struct ospf6_route *route);
	288
	289	extern struct ospf6_route ospf6_route_lookup(struct prefix prefix,
	290	struct ospf6_route_table *table);
	291	extern struct ospf6_route *
	292	ospf6_route_lookup_identical(struct ospf6_route *route,
	293	struct ospf6_route_table *table);
	294	extern struct ospf6_route *
	295	ospf6_route_lookup_bestmatch(struct prefix *prefix,
	296	struct ospf6_route_table *table);
	297
	298	extern struct ospf6_route ospf6_route_add(struct ospf6_route route,
	299	struct ospf6_route_table *table);
	300	extern void ospf6_route_remove(struct ospf6_route *route,
	301	struct ospf6_route_table *table);
	302
	303	extern struct ospf6_route ospf6_route_head(struct ospf6_route_table table);
	304	extern struct ospf6_route ospf6_route_next(struct ospf6_route route);
	305	extern struct ospf6_route ospf6_route_best_next(struct ospf6_route route);
	306
	307	extern struct ospf6_route *
	308	ospf6_route_match_head(struct prefix prefix, struct ospf6_route_table table);
	309	extern struct ospf6_route ospf6_route_match_next(struct prefix prefix,
	310	struct ospf6_route *route);
	311
	312	extern void ospf6_route_remove_all(struct ospf6_route_table *);
	313	extern struct ospf6_route_table *ospf6_route_table_create(int s, int t);
	314	extern void ospf6_route_table_delete(struct ospf6_route_table *);
	315	extern void ospf6_route_dump(struct ospf6_route_table *table);
	316
	317
	318	extern void ospf6_route_show(struct vty vty, struct ospf6_route route);
	319	extern void ospf6_route_show_detail(struct vty vty, struct ospf6_route route);
	320
	321	extern int ospf6_route_table_show(struct vty , int, int, struct cmd_token *,
	322	struct ospf6_route_table *);
	323	extern int ospf6_linkstate_table_show(struct vty *vty, int idx_ipv4, int argc,
	324	struct cmd_token **argv,
	325	struct ospf6_route_table *table);
	326
	327	extern void ospf6_brouter_show_header(struct vty *vty);
	328	extern void ospf6_brouter_show(struct vty vty, struct ospf6_route route);
	329
	330	extern int config_write_ospf6_debug_route(struct vty *vty);
	331	extern void install_element_ospf6_debug_route(void);
	332	extern void ospf6_route_init(void);
	333	extern void ospf6_clean(void);
718e3744	334
718e3744	335	#endif /* OSPF6_ROUTE_H */