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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) (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)
39 struct ospf6_nexthop
{
43 /* IP address, if any */
44 struct in6_addr address
;
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) \
55 memset(&(x)->address, 0, sizeof(struct in6_addr)); \
57 #define ospf6_nexthop_copy(a, b) \
59 (a)->ifindex = (b)->ifindex; \
60 memcpy(&(a)->address, &(b)->address, sizeof(struct in6_addr)); \
64 struct ospf6_ls_origin
{
71 /* Link State Origin */
72 struct ospf6_ls_origin origin
;
77 /* Optional Capabilities */
81 u_char prefix_options
;
88 u_char subtype
; /* only used for redistribute i.e ZEBRA_ROUTE_XXX */
95 u_int32_t cost_config
;
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
108 #define OSPF6_PATH_SUBTYPE_DEFAULT_RT 1
110 #define OSPF6_PATH_COST_IS_CONFIGURED(path) (path.u.cost_config != OSPF_AREA_RANGE_COST_UNSPEC)
114 #include "bitfield.h"
117 struct route_node
*rnode
;
118 struct ospf6_route_table
*table
;
119 struct ospf6_route
*prev
;
120 struct ospf6_route
*next
;
124 /* Destination Type */
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
130 * into one. See also XXX below.
133 struct prefix prefix
;
136 struct timeval installed
;
137 struct timeval changed
;
145 /* link state id for advertising */
146 u_int32_t linkstate_id
;
149 struct ospf6_path path
;
152 struct list
*nh_list
;
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
159 #define OSPF6_DEST_TYPE_LINKSTATE 4
160 #define OSPF6_DEST_TYPE_RANGE 5
161 #define OSPF6_DEST_TYPE_MAX 6
163 #define OSPF6_ROUTE_CHANGE 0x01
164 #define OSPF6_ROUTE_ADD 0x02
165 #define OSPF6_ROUTE_REMOVE 0x04
166 #define OSPF6_ROUTE_BEST 0x08
167 #define OSPF6_ROUTE_ACTIVE_SUMMARY 0x10
168 #define OSPF6_ROUTE_DO_NOT_ADVERTISE 0x20
169 #define OSPF6_ROUTE_WAS_REMOVED 0x40
170 #define OSPF6_ROUTE_BLACKHOLE_ADDED 0x80
172 struct ospf6_route_table
{
178 struct route_table
*table
;
185 void (*hook_add
)(struct ospf6_route
*);
186 void (*hook_change
)(struct ospf6_route
*);
187 void (*hook_remove
)(struct ospf6_route
*);
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
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
205 #define OSPF6_ROUTE_TABLE_CREATE(s, t) \
206 ospf6_route_table_create(OSPF6_SCOPE_TYPE_##s, OSPF6_TABLE_TYPE_##t)
208 extern const char *ospf6_dest_type_str
[OSPF6_DEST_TYPE_MAX
];
209 extern const char *ospf6_dest_type_substr
[OSPF6_DEST_TYPE_MAX
];
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])
217 extern const char *ospf6_path_type_str
[OSPF6_PATH_TYPE_MAX
];
218 extern const char *ospf6_path_type_substr
[OSPF6_PATH_TYPE_MAX
];
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])
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"
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)) \
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)
244 #define ospf6_route_is_best(r) (CHECK_FLAG ((r)->flag, OSPF6_ROUTE_BEST))
246 #define ospf6_linkstate_prefix_adv_router(x) ((x)->u.lp.id.s_addr)
247 #define ospf6_linkstate_prefix_id(x) ((x)->u.lp.adv_router.s_addr)
249 #define ADV_ROUTER_IN_PREFIX(x) ((x)->u.lp.id.s_addr)
251 /* Function prototype */
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
,
257 extern struct ospf6_nexthop
*ospf6_nexthop_create(void);
258 extern void ospf6_nexthop_delete(struct ospf6_nexthop
*nh
);
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
,
272 extern int ospf6_route_get_first_nh_index(struct ospf6_route
*route
);
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)
278 #define ospf6_route_add_nexthop(route, ifindex, addr) \
279 ospf6_add_nexthop(route->nh_list, ifindex, addr)
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
);
286 extern void ospf6_route_lock(struct ospf6_route
*route
);
287 extern void ospf6_route_unlock(struct ospf6_route
*route
);
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
);
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
);
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
);
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
);
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
);
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
);
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
);
327 extern void ospf6_brouter_show_header(struct vty
*vty
);
328 extern void ospf6_brouter_show(struct vty
*vty
, struct ospf6_route
*route
);
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);
335 #endif /* OSPF6_ROUTE_H */