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2 * Copyright (C) 2003 Yasuhiro Ohara
4 * This file is part of GNU Zebra.
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
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.
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
26 #define OSPF6_MULTI_PATH_LIMIT 4
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
33 #define OSPF6_DEBUG_ROUTE_MEMORY 0x80
34 #define OSPF6_DEBUG_ROUTE_ON(level) \
35 (conf_debug_ospf6_route |= (level))
36 #define OSPF6_DEBUG_ROUTE_OFF(level) \
37 (conf_debug_ospf6_route &= ~(level))
38 #define IS_OSPF6_DEBUG_ROUTE(e) \
39 (conf_debug_ospf6_route & OSPF6_DEBUG_ROUTE_ ## e)
47 /* IP address, if any */
48 struct in6_addr address
;
51 #define ospf6_nexthop_is_set(x) \
52 ((x)->ifindex || ! IN6_IS_ADDR_UNSPECIFIED (&(x)->address))
53 #define ospf6_nexthop_is_same(a,b) \
54 ((a)->ifindex == (b)->ifindex && \
55 IN6_ARE_ADDR_EQUAL (&(a)->address, &(b)->address))
56 #define ospf6_nexthop_clear(x) \
59 memset (&(x)->address, 0, sizeof (struct in6_addr)); \
61 #define ospf6_nexthop_copy(a, b) \
63 (a)->ifindex = (b)->ifindex; \
64 memcpy (&(a)->address, &(b)->address, \
65 sizeof (struct in6_addr)); \
69 struct ospf6_ls_origin
78 /* Link State Origin */
79 struct ospf6_ls_origin origin
;
84 /* Optional Capabilities */
88 u_char prefix_options
;
95 u_char subtype
; /* only used for redistribute i.e ZEBRA_ROUTE_XXX */
102 u_int32_t cost_config
;
107 #define OSPF6_PATH_TYPE_NONE 0
108 #define OSPF6_PATH_TYPE_INTRA 1
109 #define OSPF6_PATH_TYPE_INTER 2
110 #define OSPF6_PATH_TYPE_EXTERNAL1 3
111 #define OSPF6_PATH_TYPE_EXTERNAL2 4
112 #define OSPF6_PATH_TYPE_REDISTRIBUTE 5
113 #define OSPF6_PATH_TYPE_MAX 6
115 #define OSPF6_PATH_SUBTYPE_DEFAULT_RT 1
117 #define OSPF6_PATH_COST_IS_CONFIGURED(path) (path.u.cost_config != OSPF_AREA_RANGE_COST_UNSPEC)
121 #include "bitfield.h"
125 struct route_node
*rnode
;
126 struct ospf6_route_table
*table
;
127 struct ospf6_route
*prev
;
128 struct ospf6_route
*next
;
132 /* Destination Type */
135 /* XXX: It would likely be better to use separate struct in_addr's
136 * for the advertising router-ID and prefix IDs, instead of stuffing them
137 * into one. See also XXX below.
140 struct prefix prefix
;
143 struct timeval installed
;
144 struct timeval changed
;
152 /* link state id for advertising */
153 u_int32_t linkstate_id
;
156 struct ospf6_path path
;
159 struct list
*nh_list
;
163 #define OSPF6_DEST_TYPE_NONE 0
164 #define OSPF6_DEST_TYPE_ROUTER 1
165 #define OSPF6_DEST_TYPE_NETWORK 2
166 #define OSPF6_DEST_TYPE_DISCARD 3
167 #define OSPF6_DEST_TYPE_LINKSTATE 4
168 #define OSPF6_DEST_TYPE_RANGE 5
169 #define OSPF6_DEST_TYPE_MAX 6
171 #define OSPF6_ROUTE_CHANGE 0x01
172 #define OSPF6_ROUTE_ADD 0x02
173 #define OSPF6_ROUTE_REMOVE 0x04
174 #define OSPF6_ROUTE_BEST 0x08
175 #define OSPF6_ROUTE_ACTIVE_SUMMARY 0x10
176 #define OSPF6_ROUTE_DO_NOT_ADVERTISE 0x20
177 #define OSPF6_ROUTE_WAS_REMOVED 0x40
178 #define OSPF6_ROUTE_BLACKHOLE_ADDED 0x80
180 struct ospf6_route_table
187 struct route_table
*table
;
194 void (*hook_add
) (struct ospf6_route
*);
195 void (*hook_change
) (struct ospf6_route
*);
196 void (*hook_remove
) (struct ospf6_route
*);
199 #define OSPF6_SCOPE_TYPE_NONE 0
200 #define OSPF6_SCOPE_TYPE_GLOBAL 1
201 #define OSPF6_SCOPE_TYPE_AREA 2
202 #define OSPF6_SCOPE_TYPE_INTERFACE 3
204 #define OSPF6_TABLE_TYPE_NONE 0
205 #define OSPF6_TABLE_TYPE_ROUTES 1
206 #define OSPF6_TABLE_TYPE_BORDER_ROUTERS 2
207 #define OSPF6_TABLE_TYPE_CONNECTED_ROUTES 3
208 #define OSPF6_TABLE_TYPE_EXTERNAL_ROUTES 4
209 #define OSPF6_TABLE_TYPE_SPF_RESULTS 5
210 #define OSPF6_TABLE_TYPE_PREFIX_RANGES 6
211 #define OSPF6_TABLE_TYPE_SUMMARY_PREFIXES 7
212 #define OSPF6_TABLE_TYPE_SUMMARY_ROUTERS 8
214 #define OSPF6_ROUTE_TABLE_CREATE(s, t) \
215 ospf6_route_table_create (OSPF6_SCOPE_TYPE_ ## s, \
216 OSPF6_TABLE_TYPE_ ## t)
218 extern const char *ospf6_dest_type_str
[OSPF6_DEST_TYPE_MAX
];
219 extern const char *ospf6_dest_type_substr
[OSPF6_DEST_TYPE_MAX
];
220 #define OSPF6_DEST_TYPE_NAME(x) \
221 (0 < (x) && (x) < OSPF6_DEST_TYPE_MAX ? \
222 ospf6_dest_type_str[(x)] : ospf6_dest_type_str[0])
223 #define OSPF6_DEST_TYPE_SUBSTR(x) \
224 (0 < (x) && (x) < OSPF6_DEST_TYPE_MAX ? \
225 ospf6_dest_type_substr[(x)] : ospf6_dest_type_substr[0])
227 extern const char *ospf6_path_type_str
[OSPF6_PATH_TYPE_MAX
];
228 extern const char *ospf6_path_type_substr
[OSPF6_PATH_TYPE_MAX
];
229 #define OSPF6_PATH_TYPE_NAME(x) \
230 (0 < (x) && (x) < OSPF6_PATH_TYPE_MAX ? \
231 ospf6_path_type_str[(x)] : ospf6_path_type_str[0])
232 #define OSPF6_PATH_TYPE_SUBSTR(x) \
233 (0 < (x) && (x) < OSPF6_PATH_TYPE_MAX ? \
234 ospf6_path_type_substr[(x)] : ospf6_path_type_substr[0])
236 #define OSPF6_ROUTE_ADDRESS_STR "Display the route bestmatches the address\n"
237 #define OSPF6_ROUTE_PREFIX_STR "Display the route\n"
238 #define OSPF6_ROUTE_MATCH_STR "Display the route matches the prefix\n"
240 #define ospf6_route_is_prefix(p, r) \
241 (memcmp (p, &(r)->prefix, sizeof (struct prefix)) == 0)
242 #define ospf6_route_is_same(ra, rb) \
243 (prefix_same (&(ra)->prefix, &(rb)->prefix))
244 #define ospf6_route_is_same_origin(ra, rb) \
245 ((ra)->path.area_id == (rb)->path.area_id && \
246 memcmp (&(ra)->path.origin, &(rb)->path.origin, \
247 sizeof (struct ospf6_ls_origin)) == 0)
248 #define ospf6_route_is_identical(ra, rb) \
249 ((ra)->type == (rb)->type && \
250 memcmp (&(ra)->prefix, &(rb)->prefix, sizeof (struct prefix)) == 0 && \
251 memcmp (&(ra)->path, &(rb)->path, sizeof (struct ospf6_path)) == 0 && \
252 ospf6_route_cmp_nexthops (ra, rb) == 0)
254 #define ospf6_route_is_best(r) (CHECK_FLAG ((r)->flag, OSPF6_ROUTE_BEST))
256 #define ospf6_linkstate_prefix_adv_router(x) \
257 ((x)->u.lp.id.s_addr)
258 #define ospf6_linkstate_prefix_id(x) \
259 ((x)->u.lp.adv_router.s_addr)
261 #define ADV_ROUTER_IN_PREFIX(x) \
262 ((x)->u.lp.id.s_addr)
264 /* Function prototype */
265 extern void ospf6_linkstate_prefix (u_int32_t adv_router
, u_int32_t id
,
266 struct prefix
*prefix
);
267 extern void ospf6_linkstate_prefix2str (struct prefix
*prefix
, char *buf
,
270 extern struct ospf6_nexthop
*ospf6_nexthop_create (void);
271 extern void ospf6_nexthop_delete (struct ospf6_nexthop
*nh
);
272 extern void ospf6_free_nexthops (struct list
*nh_list
);
273 extern void ospf6_clear_nexthops (struct list
*nh_list
);
274 extern int ospf6_num_nexthops (struct list
*nh_list
);
275 extern void ospf6_copy_nexthops (struct list
*dst
, struct list
*src
);
276 extern void ospf6_merge_nexthops (struct list
*dst
, struct list
*src
);
277 extern void ospf6_add_nexthop (struct list
*nh_list
, int ifindex
,
278 struct in6_addr
*addr
);
279 extern int ospf6_num_nexthops (struct list
*nh_list
);
280 extern int ospf6_route_cmp_nexthops (struct ospf6_route
*a
,
281 struct ospf6_route
*b
);
282 extern void ospf6_route_zebra_copy_nexthops (struct ospf6_route
*route
,
283 ifindex_t
*ifindices
,
284 struct in6_addr
**addr
,
286 extern int ospf6_route_get_first_nh_index (struct ospf6_route
*route
);
288 /* Hide abstraction of nexthop implementation in route from outsiders */
289 #define ospf6_route_copy_nexthops(dst, src) ospf6_copy_nexthops(dst->nh_list, src->nh_list)
290 #define ospf6_route_merge_nexthops(dst, src) ospf6_merge_nexthops(dst->nh_list, src->nh_list)
291 #define ospf6_route_num_nexthops(route) ospf6_num_nexthops(route->nh_list)
292 #define ospf6_route_add_nexthop(route, ifindex, addr) \
293 ospf6_add_nexthop(route->nh_list, ifindex, addr)
295 extern struct ospf6_route
*ospf6_route_create (void);
296 extern void ospf6_route_delete (struct ospf6_route
*);
297 extern struct ospf6_route
*ospf6_route_copy (struct ospf6_route
*route
);
298 extern int ospf6_route_cmp (struct ospf6_route
*ra
, struct ospf6_route
*rb
);
300 extern void ospf6_route_lock (struct ospf6_route
*route
);
301 extern void ospf6_route_unlock (struct ospf6_route
*route
);
303 extern struct ospf6_route
*ospf6_route_lookup (struct prefix
*prefix
,
304 struct ospf6_route_table
*table
);
305 extern struct ospf6_route
*ospf6_route_lookup_identical (struct ospf6_route
*route
,
306 struct ospf6_route_table
*table
);
307 extern struct ospf6_route
*ospf6_route_lookup_bestmatch (struct prefix
*prefix
,
308 struct ospf6_route_table
*table
);
310 extern struct ospf6_route
*ospf6_route_add (struct ospf6_route
*route
,
311 struct ospf6_route_table
*table
);
312 extern void ospf6_route_remove (struct ospf6_route
*route
,
313 struct ospf6_route_table
*table
);
315 extern struct ospf6_route
*ospf6_route_head (struct ospf6_route_table
*table
);
316 extern struct ospf6_route
*ospf6_route_next (struct ospf6_route
*route
);
317 extern struct ospf6_route
*ospf6_route_best_next (struct ospf6_route
*route
);
319 extern struct ospf6_route
*ospf6_route_match_head (struct prefix
*prefix
,
320 struct ospf6_route_table
*table
);
321 extern struct ospf6_route
*ospf6_route_match_next (struct prefix
*prefix
,
322 struct ospf6_route
*route
);
324 extern void ospf6_route_remove_all (struct ospf6_route_table
*);
325 extern struct ospf6_route_table
*ospf6_route_table_create (int s
, int t
);
326 extern void ospf6_route_table_delete (struct ospf6_route_table
*);
327 extern void ospf6_route_dump (struct ospf6_route_table
*table
);
330 extern void ospf6_route_show (struct vty
*vty
, struct ospf6_route
*route
);
331 extern void ospf6_route_show_detail (struct vty
*vty
, struct ospf6_route
*route
);
333 extern int ospf6_route_table_show (struct vty
*, int, int, struct cmd_token
**,
334 struct ospf6_route_table
*);
335 extern int ospf6_linkstate_table_show (struct vty
*vty
, int idx_ipv4
, int argc
,
336 struct cmd_token
**argv
,
337 struct ospf6_route_table
*table
);
339 extern void ospf6_brouter_show_header (struct vty
*vty
);
340 extern void ospf6_brouter_show (struct vty
*vty
, struct ospf6_route
*route
);
342 extern int config_write_ospf6_debug_route (struct vty
*vty
);
343 extern void install_element_ospf6_debug_route (void);
344 extern void ospf6_route_init (void);
345 extern void ospf6_clean (void);
347 #endif /* OSPF6_ROUTE_H */