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
17 * along with GNU Zebra; see the file COPYING. If not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
25 #define OSPF6_MULTI_PATH_LIMIT 4
28 extern unsigned char conf_debug_ospf6_route;
29 #define OSPF6_DEBUG_ROUTE_TABLE 0x01
30 #define OSPF6_DEBUG_ROUTE_INTRA 0x02
31 #define OSPF6_DEBUG_ROUTE_INTER 0x04
32 #define OSPF6_DEBUG_ROUTE_MEMORY 0x80
33 #define OSPF6_DEBUG_ROUTE_ON(level) \
34 (conf_debug_ospf6_route |= (level))
35 #define OSPF6_DEBUG_ROUTE_OFF(level) \
36 (conf_debug_ospf6_route &= ~(level))
37 #define IS_OSPF6_DEBUG_ROUTE(e) \
38 (conf_debug_ospf6_route & OSPF6_DEBUG_ROUTE_ ## e)
46 /* IP address, if any */
47 struct in6_addr address;
50 #define ospf6_nexthop_is_set(x) \
51 ((x)->ifindex || ! IN6_IS_ADDR_UNSPECIFIED (&(x)->address))
52 #define ospf6_nexthop_is_same(a,b) \
53 ((a)->ifindex == (b)->ifindex && \
54 IN6_ARE_ADDR_EQUAL (&(a)->address, &(b)->address))
55 #define ospf6_nexthop_clear(x) \
58 memset (&(x)->address, 0, sizeof (struct in6_addr)); \
60 #define ospf6_nexthop_copy(a, b) \
62 (a)->ifindex = (b)->ifindex; \
63 memcpy (&(a)->address, &(b)->address, \
64 sizeof (struct in6_addr)); \
68 struct ospf6_ls_origin
77 /* Link State Origin */
78 struct ospf6_ls_origin origin;
83 /* Optional Capabilities */
87 u_char prefix_options;
94 u_char subtype; /* only used for redistribute i.e ZEBRA_ROUTE_XXX */
103 #define OSPF6_PATH_TYPE_NONE 0
104 #define OSPF6_PATH_TYPE_INTRA 1
105 #define OSPF6_PATH_TYPE_INTER 2
106 #define OSPF6_PATH_TYPE_EXTERNAL1 3
107 #define OSPF6_PATH_TYPE_EXTERNAL2 4
108 #define OSPF6_PATH_TYPE_REDISTRIBUTE 5
109 #define OSPF6_PATH_TYPE_MAX 6
116 struct route_node *rnode;
117 struct ospf6_route_table *table;
118 struct ospf6_route *prev;
119 struct ospf6_route *next;
123 /* Destination Type */
126 /* XXX: It would likely be better to use separate struct in_addr's
127 * for the advertising router-ID and prefix IDs, instead of stuffing them
128 * into one. See also XXX below.
131 struct prefix prefix;
134 struct timeval installed;
135 struct timeval changed;
141 struct ospf6_path path;
144 struct ospf6_nexthop nexthop[OSPF6_MULTI_PATH_LIMIT];
149 /* link state id for advertising */
150 u_int32_t linkstate_id;
153 #define OSPF6_DEST_TYPE_NONE 0
154 #define OSPF6_DEST_TYPE_ROUTER 1
155 #define OSPF6_DEST_TYPE_NETWORK 2
156 #define OSPF6_DEST_TYPE_DISCARD 3
157 #define OSPF6_DEST_TYPE_LINKSTATE 4
158 #define OSPF6_DEST_TYPE_RANGE 5
159 #define OSPF6_DEST_TYPE_MAX 6
161 #define OSPF6_ROUTE_CHANGE 0x01
162 #define OSPF6_ROUTE_ADD 0x02
163 #define OSPF6_ROUTE_REMOVE 0x04
164 #define OSPF6_ROUTE_BEST 0x08
165 #define OSPF6_ROUTE_ACTIVE_SUMMARY 0x10
166 #define OSPF6_ROUTE_DO_NOT_ADVERTISE 0x20
167 #define OSPF6_ROUTE_WAS_REMOVED 0x40
169 struct ospf6_route_table
176 struct route_table *table;
181 void (*hook_add) (struct ospf6_route *);
182 void (*hook_change) (struct ospf6_route *);
183 void (*hook_remove) (struct ospf6_route *);
186 #define OSPF6_SCOPE_TYPE_NONE 0
187 #define OSPF6_SCOPE_TYPE_GLOBAL 1
188 #define OSPF6_SCOPE_TYPE_AREA 2
189 #define OSPF6_SCOPE_TYPE_INTERFACE 3
191 #define OSPF6_TABLE_TYPE_NONE 0
192 #define OSPF6_TABLE_TYPE_ROUTES 1
193 #define OSPF6_TABLE_TYPE_BORDER_ROUTERS 2
194 #define OSPF6_TABLE_TYPE_CONNECTED_ROUTES 3
195 #define OSPF6_TABLE_TYPE_EXTERNAL_ROUTES 4
196 #define OSPF6_TABLE_TYPE_SPF_RESULTS 5
197 #define OSPF6_TABLE_TYPE_PREFIX_RANGES 6
198 #define OSPF6_TABLE_TYPE_SUMMARY_PREFIXES 7
199 #define OSPF6_TABLE_TYPE_SUMMARY_ROUTERS 8
201 #define OSPF6_ROUTE_TABLE_CREATE(s, t) \
202 ospf6_route_table_create (OSPF6_SCOPE_TYPE_ ## s, \
203 OSPF6_TABLE_TYPE_ ## t)
205 extern const char *ospf6_dest_type_str[OSPF6_DEST_TYPE_MAX];
206 extern const char *ospf6_dest_type_substr[OSPF6_DEST_TYPE_MAX];
207 #define OSPF6_DEST_TYPE_NAME(x) \
208 (0 < (x) && (x) < OSPF6_DEST_TYPE_MAX ? \
209 ospf6_dest_type_str[(x)] : ospf6_dest_type_str[0])
210 #define OSPF6_DEST_TYPE_SUBSTR(x) \
211 (0 < (x) && (x) < OSPF6_DEST_TYPE_MAX ? \
212 ospf6_dest_type_substr[(x)] : ospf6_dest_type_substr[0])
214 extern const char *ospf6_path_type_str[OSPF6_PATH_TYPE_MAX];
215 extern const char *ospf6_path_type_substr[OSPF6_PATH_TYPE_MAX];
216 #define OSPF6_PATH_TYPE_NAME(x) \
217 (0 < (x) && (x) < OSPF6_PATH_TYPE_MAX ? \
218 ospf6_path_type_str[(x)] : ospf6_path_type_str[0])
219 #define OSPF6_PATH_TYPE_SUBSTR(x) \
220 (0 < (x) && (x) < OSPF6_PATH_TYPE_MAX ? \
221 ospf6_path_type_substr[(x)] : ospf6_path_type_substr[0])
223 #define OSPF6_ROUTE_ADDRESS_STR "Display the route bestmatches the address\n"
224 #define OSPF6_ROUTE_PREFIX_STR "Display the route\n"
225 #define OSPF6_ROUTE_MATCH_STR "Display the route matches the prefix\n"
227 #define ospf6_route_is_prefix(p, r) \
228 (memcmp (p, &(r)->prefix, sizeof (struct prefix)) == 0)
229 #define ospf6_route_is_same(ra, rb) \
230 (prefix_same (&(ra)->prefix, &(rb)->prefix))
231 #define ospf6_route_is_same_origin(ra, rb) \
232 ((ra)->path.area_id == (rb)->path.area_id && \
233 memcmp (&(ra)->path.origin, &(rb)->path.origin, \
234 sizeof (struct ospf6_ls_origin)) == 0)
235 #define ospf6_route_is_identical(ra, rb) \
236 ((ra)->type == (rb)->type && \
237 memcmp (&(ra)->prefix, &(rb)->prefix, sizeof (struct prefix)) == 0 && \
238 memcmp (&(ra)->path, &(rb)->path, sizeof (struct ospf6_path)) == 0 && \
239 memcmp (&(ra)->nexthop, &(rb)->nexthop, \
240 sizeof (struct ospf6_nexthop) * OSPF6_MULTI_PATH_LIMIT) == 0)
241 #define ospf6_route_is_best(r) (CHECK_FLAG ((r)->flag, OSPF6_ROUTE_BEST))
243 #define ospf6_linkstate_prefix_adv_router(x) \
244 ((x)->u.lp.id.s_addr)
245 #define ospf6_linkstate_prefix_id(x) \
246 ((x)->u.lp.adv_router.s_addr)
248 #define ADV_ROUTER_IN_PREFIX(x) \
249 ((x)->u.lp.id.s_addr)
250 #define ID_IN_PREFIX(x) \
251 ((x)->u.lp.adv_router.s_addr)
253 /* Function prototype */
254 extern void ospf6_linkstate_prefix (u_int32_t adv_router, u_int32_t id,
255 struct prefix *prefix);
256 extern void ospf6_linkstate_prefix2str (struct prefix *prefix, char *buf,
259 extern struct ospf6_route *ospf6_route_create (void);
260 extern void ospf6_route_delete (struct ospf6_route *);
261 extern struct ospf6_route *ospf6_route_copy (struct ospf6_route *route);
263 extern void ospf6_route_lock (struct ospf6_route *route);
264 extern void ospf6_route_unlock (struct ospf6_route *route);
266 extern struct ospf6_route *ospf6_route_lookup (struct prefix *prefix,
267 struct ospf6_route_table *table);
268 extern struct ospf6_route *ospf6_route_lookup_identical (struct ospf6_route *route,
269 struct ospf6_route_table *table);
270 extern struct ospf6_route *ospf6_route_lookup_bestmatch (struct prefix *prefix,
271 struct ospf6_route_table *table);
273 extern struct ospf6_route *ospf6_route_add (struct ospf6_route *route,
274 struct ospf6_route_table *table);
275 extern void ospf6_route_remove (struct ospf6_route *route,
276 struct ospf6_route_table *table);
278 extern struct ospf6_route *ospf6_route_head (struct ospf6_route_table *table);
279 extern struct ospf6_route *ospf6_route_next (struct ospf6_route *route);
280 extern struct ospf6_route *ospf6_route_best_next (struct ospf6_route *route);
282 extern struct ospf6_route *ospf6_route_match_head (struct prefix *prefix,
283 struct ospf6_route_table *table);
284 extern struct ospf6_route *ospf6_route_match_next (struct prefix *prefix,
285 struct ospf6_route *route);
287 extern void ospf6_route_remove_all (struct ospf6_route_table *);
288 extern struct ospf6_route_table *ospf6_route_table_create (int s, int t);
289 extern void ospf6_route_table_delete (struct ospf6_route_table *);
290 extern void ospf6_route_dump (struct ospf6_route_table *table);
293 extern void ospf6_route_show (struct vty *vty, struct ospf6_route *route);
294 extern void ospf6_route_show_detail (struct vty *vty, struct ospf6_route *route);
296 extern int ospf6_route_table_show (struct vty *, int, const char *[],
297 struct ospf6_route_table *);
298 extern int ospf6_linkstate_table_show (struct vty *vty, int argc,
300 struct ospf6_route_table *table);
302 extern void ospf6_brouter_show_header (struct vty *vty);
303 extern void ospf6_brouter_show (struct vty *vty, struct ospf6_route *route);
305 extern int config_write_ospf6_debug_route (struct vty *vty);
306 extern void install_element_ospf6_debug_route (void);
307 extern void ospf6_route_init (void);
308 extern void ospf6_clean (void);
310 #endif /* OSPF6_ROUTE_H */