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718e3744 | 1 | /* |
2 | * Routing Information Base header | |
3 | * Copyright (C) 1997 Kunihiro Ishiguro | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #ifndef _ZEBRA_RIB_H | |
23 | #define _ZEBRA_RIB_H | |
24 | ||
dc9ffce8 | 25 | #include "zebra.h" |
4f8ea50c | 26 | #include "hook.h" |
aa57abfb | 27 | #include "typesafe.h" |
c6ffe645 | 28 | #include "linklist.h" |
ec1a4283 | 29 | #include "prefix.h" |
9fd92e3c | 30 | #include "table.h" |
5adc2528 | 31 | #include "queue.h" |
fb018d25 | 32 | #include "nexthop.h" |
7ee30f28 | 33 | #include "nexthop_group.h" |
244a59d2 | 34 | #include "vrf.h" |
fb148af4 | 35 | #include "if.h" |
40c7bdb0 | 36 | #include "mpls.h" |
05737783 | 37 | #include "srcdest_table.h" |
ec1a4283 | 38 | |
51e94aa7 EDP |
39 | #ifdef __cplusplus |
40 | extern "C" { | |
41 | #endif | |
42 | ||
aa57abfb DS |
43 | typedef enum { RNH_NEXTHOP_TYPE, RNH_IMPORT_CHECK_TYPE } rnh_type_t; |
44 | ||
45 | PREDECL_LIST(rnh_list) | |
46 | ||
47 | /* Nexthop structure. */ | |
48 | struct rnh { | |
49 | uint8_t flags; | |
50 | ||
51 | #define ZEBRA_NHT_CONNECTED 0x1 | |
52 | #define ZEBRA_NHT_DELETED 0x2 | |
53 | #define ZEBRA_NHT_EXACT_MATCH 0x4 | |
54 | ||
55 | /* VRF identifier. */ | |
56 | vrf_id_t vrf_id; | |
57 | ||
58 | afi_t afi; | |
59 | ||
60 | rnh_type_t type; | |
61 | ||
62 | uint32_t seqno; | |
63 | ||
64 | struct route_entry *state; | |
65 | struct prefix resolved_route; | |
66 | struct list *client_list; | |
67 | ||
68 | /* pseudowires dependent on this nh */ | |
69 | struct list *zebra_pseudowire_list; | |
70 | ||
71 | struct route_node *node; | |
72 | ||
73 | /* | |
74 | * if this has been filtered for the client | |
75 | */ | |
76 | int filtered[ZEBRA_ROUTE_MAX]; | |
77 | ||
78 | struct rnh_list_item rnh_list_item; | |
79 | }; | |
80 | ||
718e3744 | 81 | #define DISTANCE_INFINITY 255 |
7a4bb9c5 | 82 | #define ZEBRA_KERNEL_TABLE_MAX 252 /* support for no more than this rt tables */ |
718e3744 | 83 | |
045207e2 DS |
84 | PREDECL_LIST(re_list) |
85 | ||
d62a17ae | 86 | struct route_entry { |
87 | /* Link list. */ | |
045207e2 | 88 | struct re_list_item next; |
d62a17ae | 89 | |
ee5e8a48 | 90 | /* Nexthop structure (from RIB) */ |
7ee30f28 | 91 | struct nexthop_group ng; |
d62a17ae | 92 | |
ee5e8a48 MS |
93 | /* Nexthop group from FIB (optional) */ |
94 | struct nexthop_group fib_ng; | |
95 | ||
d62a17ae | 96 | /* Tag */ |
97 | route_tag_t tag; | |
98 | ||
99 | /* Uptime. */ | |
100 | time_t uptime; | |
101 | ||
102 | /* Type fo this route. */ | |
103 | int type; | |
104 | ||
d62a17ae | 105 | /* VRF identifier. */ |
106 | vrf_id_t vrf_id; | |
107 | ||
108 | /* Which routing table */ | |
109 | uint32_t table; | |
110 | ||
111 | /* Metric */ | |
d7c0a89a | 112 | uint32_t metric; |
d62a17ae | 113 | |
114 | /* MTU */ | |
d7c0a89a QY |
115 | uint32_t mtu; |
116 | uint32_t nexthop_mtu; | |
d62a17ae | 117 | |
d62a17ae | 118 | /* Flags of this route. |
119 | * This flag's definition is in lib/zebra.h ZEBRA_FLAG_* and is exposed | |
120 | * to clients via Zserv | |
121 | */ | |
d7c0a89a | 122 | uint32_t flags; |
d62a17ae | 123 | |
124 | /* RIB internal status */ | |
88f7ea31 | 125 | uint32_t status; |
f0f77c9a | 126 | #define ROUTE_ENTRY_REMOVED 0x1 |
d62a17ae | 127 | /* to simplify NHT logic when NHs change, instead of doing a NH by NH cmp */ |
f0f77c9a | 128 | #define ROUTE_ENTRY_NEXTHOPS_CHANGED 0x2 |
88f7ea31 | 129 | /* The Route Entry has changed */ |
f0f77c9a | 130 | #define ROUTE_ENTRY_CHANGED 0x4 |
88f7ea31 | 131 | /* The Label has changed on the Route entry */ |
5f7a4718 | 132 | #define ROUTE_ENTRY_LABELS_CHANGED 0x8 |
88f7ea31 DS |
133 | /* Route is queued for Installation into the Data Plane */ |
134 | #define ROUTE_ENTRY_QUEUED 0x10 | |
135 | /* Route is installed into the Data Plane */ | |
136 | #define ROUTE_ENTRY_INSTALLED 0x20 | |
137 | /* Route has Failed installation into the Data Plane in some manner */ | |
138 | #define ROUTE_ENTRY_FAILED 0x40 | |
6d691129 | 139 | |
d62a17ae | 140 | /* Nexthop information. */ |
d7c0a89a QY |
141 | uint8_t nexthop_num; |
142 | uint8_t nexthop_active_num; | |
7cdb1a84 MS |
143 | |
144 | /* Sequence value incremented for each dataplane operation */ | |
145 | uint32_t dplane_sequence; | |
7a741326 DS |
146 | |
147 | /* Source protocol instance */ | |
148 | uint16_t instance; | |
149 | ||
150 | /* Distance. */ | |
151 | uint8_t distance; | |
718e3744 | 152 | }; |
153 | ||
66cb1845 | 154 | #define RIB_SYSTEM_ROUTE(R) RSYSTEM_ROUTE((R)->type) |
84340a15 | 155 | |
66cb1845 | 156 | #define RIB_KERNEL_ROUTE(R) RKERNEL_ROUTE((R)->type) |
84340a15 | 157 | |
e96f9203 DO |
158 | /* meta-queue structure: |
159 | * sub-queue 0: connected, kernel | |
160 | * sub-queue 1: static | |
43cf4ba4 | 161 | * sub-queue 2: RIP, RIPng, OSPF, OSPF6, IS-IS, EIGRP, NHRP |
e96f9203 DO |
162 | * sub-queue 3: iBGP, eBGP |
163 | * sub-queue 4: any other origin (if any) | |
164 | */ | |
165 | #define MQ_SIZE 5 | |
d62a17ae | 166 | struct meta_queue { |
167 | struct list *subq[MQ_SIZE]; | |
d7c0a89a | 168 | uint32_t size; /* sum of lengths of all subqueues */ |
e96f9203 DO |
169 | }; |
170 | ||
9fd92e3c AS |
171 | /* |
172 | * Structure that represents a single destination (prefix). | |
173 | */ | |
d62a17ae | 174 | typedef struct rib_dest_t_ { |
9fd92e3c | 175 | |
d62a17ae | 176 | /* |
177 | * Back pointer to the route node for this destination. This helps | |
178 | * us get to the prefix that this structure is for. | |
179 | */ | |
180 | struct route_node *rnode; | |
9fd92e3c | 181 | |
d62a17ae | 182 | /* |
183 | * Doubly-linked list of routes for this prefix. | |
184 | */ | |
045207e2 | 185 | struct re_list_head routes; |
9fd92e3c | 186 | |
5f7a4718 DS |
187 | struct route_entry *selected_fib; |
188 | ||
d62a17ae | 189 | /* |
190 | * Flags, see below. | |
191 | */ | |
d7c0a89a | 192 | uint32_t flags; |
9fd92e3c | 193 | |
699dae23 DS |
194 | /* |
195 | * The list of nht prefixes that have ended up | |
196 | * depending on this route node. | |
197 | * After route processing is returned from | |
198 | * the data plane we will run evaluate_rnh | |
199 | * on these prefixes. | |
200 | */ | |
aa57abfb | 201 | struct rnh_list_head nht; |
699dae23 | 202 | |
d62a17ae | 203 | /* |
204 | * Linkage to put dest on the FPM processing queue. | |
205 | */ | |
206 | TAILQ_ENTRY(rib_dest_t_) fpm_q_entries; | |
5adc2528 | 207 | |
9fd92e3c AS |
208 | } rib_dest_t; |
209 | ||
aa57abfb | 210 | DECLARE_LIST(rnh_list, struct rnh, rnh_list_item); |
045207e2 | 211 | DECLARE_LIST(re_list, struct route_entry, next); |
aa57abfb | 212 | |
9fd92e3c | 213 | #define RIB_ROUTE_QUEUED(x) (1 << (x)) |
1ca60f2c DS |
214 | // If MQ_SIZE is modified this value needs to be updated. |
215 | #define RIB_ROUTE_ANY_QUEUED 0x1F | |
9fd92e3c AS |
216 | |
217 | /* | |
218 | * The maximum qindex that can be used. | |
219 | */ | |
220 | #define ZEBRA_MAX_QINDEX (MQ_SIZE - 1) | |
221 | ||
5adc2528 AS |
222 | /* |
223 | * This flag indicates that a given prefix has been 'advertised' to | |
224 | * the FPM to be installed in the forwarding plane. | |
225 | */ | |
226 | #define RIB_DEST_SENT_TO_FPM (1 << (ZEBRA_MAX_QINDEX + 1)) | |
227 | ||
228 | /* | |
229 | * This flag is set when we need to send an update to the FPM about a | |
230 | * dest. | |
231 | */ | |
232 | #define RIB_DEST_UPDATE_FPM (1 << (ZEBRA_MAX_QINDEX + 2)) | |
233 | ||
a1494c25 DS |
234 | #define RIB_DEST_UPDATE_LSPS (1 << (ZEBRA_MAX_QINDEX + 3)) |
235 | ||
9fd92e3c AS |
236 | /* |
237 | * Macro to iterate over each route for a destination (prefix). | |
238 | */ | |
d62a17ae | 239 | #define RE_DEST_FOREACH_ROUTE(dest, re) \ |
045207e2 DS |
240 | for ((re) = (dest) ? re_list_first(&((dest)->routes)) : NULL; (re); \ |
241 | (re) = re_list_next(&((dest)->routes), (re))) | |
9fd92e3c AS |
242 | |
243 | /* | |
244 | * Same as above, but allows the current node to be unlinked. | |
245 | */ | |
d62a17ae | 246 | #define RE_DEST_FOREACH_ROUTE_SAFE(dest, re, next) \ |
045207e2 DS |
247 | for ((re) = (dest) ? re_list_first(&((dest)->routes)) : NULL; \ |
248 | (re) && ((next) = re_list_next(&((dest)->routes), (re)), 1); \ | |
249 | (re) = (next)) | |
9fd92e3c | 250 | |
d62a17ae | 251 | #define RNODE_FOREACH_RE(rn, re) \ |
996c9314 | 252 | RE_DEST_FOREACH_ROUTE (rib_dest_from_rnode(rn), re) |
9fd92e3c | 253 | |
d62a17ae | 254 | #define RNODE_FOREACH_RE_SAFE(rn, re, next) \ |
996c9314 | 255 | RE_DEST_FOREACH_ROUTE_SAFE (rib_dest_from_rnode(rn), re, next) |
9fd92e3c | 256 | |
d62a17ae | 257 | #if defined(HAVE_RTADV) |
cd80d74f | 258 | /* Structure which hold status of router advertisement. */ |
d62a17ae | 259 | struct rtadv { |
260 | int sock; | |
cd80d74f | 261 | |
d62a17ae | 262 | int adv_if_count; |
263 | int adv_msec_if_count; | |
cd80d74f | 264 | |
d62a17ae | 265 | struct thread *ra_read; |
266 | struct thread *ra_timer; | |
cd80d74f | 267 | }; |
8da4e946 | 268 | #endif /* HAVE_RTADV */ |
cd80d74f | 269 | |
1b5ed1b0 AS |
270 | /* |
271 | * rib_table_info_t | |
272 | * | |
273 | * Structure that is hung off of a route_table that holds information about | |
274 | * the table. | |
275 | */ | |
d62a17ae | 276 | typedef struct rib_table_info_t_ { |
1b5ed1b0 | 277 | |
d62a17ae | 278 | /* |
279 | * Back pointer to zebra_vrf. | |
280 | */ | |
281 | struct zebra_vrf *zvrf; | |
282 | afi_t afi; | |
283 | safi_t safi; | |
1b5ed1b0 AS |
284 | |
285 | } rib_table_info_t; | |
286 | ||
d62a17ae | 287 | typedef enum { |
288 | RIB_TABLES_ITER_S_INIT, | |
289 | RIB_TABLES_ITER_S_ITERATING, | |
290 | RIB_TABLES_ITER_S_DONE | |
0915bb0c AS |
291 | } rib_tables_iter_state_t; |
292 | ||
293 | /* | |
294 | * Structure that holds state for iterating over all tables in the | |
295 | * Routing Information Base. | |
296 | */ | |
d62a17ae | 297 | typedef struct rib_tables_iter_t_ { |
298 | vrf_id_t vrf_id; | |
299 | int afi_safi_ix; | |
0915bb0c | 300 | |
d62a17ae | 301 | rib_tables_iter_state_t state; |
0915bb0c AS |
302 | } rib_tables_iter_t; |
303 | ||
1c848137 | 304 | /* Events/reasons triggering a RIB update. */ |
d62a17ae | 305 | typedef enum { |
d62a17ae | 306 | RIB_UPDATE_RMAP_CHANGE, |
307 | RIB_UPDATE_OTHER | |
1c848137 | 308 | } rib_update_event_t; |
309 | ||
072834ca DS |
310 | extern struct nexthop *route_entry_nexthop_ifindex_add(struct route_entry *re, |
311 | ifindex_t ifindex, | |
4a7371e9 | 312 | vrf_id_t nh_vrf_id); |
072834ca DS |
313 | extern struct nexthop * |
314 | route_entry_nexthop_blackhole_add(struct route_entry *re, | |
315 | enum blackhole_type bh_type); | |
316 | extern struct nexthop *route_entry_nexthop_ipv4_add(struct route_entry *re, | |
317 | struct in_addr *ipv4, | |
318 | struct in_addr *src, | |
4a7371e9 | 319 | vrf_id_t nh_vrf_id); |
d62a17ae | 320 | extern struct nexthop * |
072834ca DS |
321 | route_entry_nexthop_ipv4_ifindex_add(struct route_entry *re, |
322 | struct in_addr *ipv4, struct in_addr *src, | |
323 | ifindex_t ifindex, vrf_id_t nh_vrf_id); | |
d62a17ae | 324 | extern void route_entry_nexthop_delete(struct route_entry *re, |
325 | struct nexthop *nexthop); | |
072834ca DS |
326 | extern struct nexthop *route_entry_nexthop_ipv6_add(struct route_entry *re, |
327 | struct in6_addr *ipv6, | |
4a7371e9 | 328 | vrf_id_t nh_vrf_id); |
d62a17ae | 329 | extern struct nexthop * |
330 | route_entry_nexthop_ipv6_ifindex_add(struct route_entry *re, | |
4a7371e9 DS |
331 | struct in6_addr *ipv6, ifindex_t ifindex, |
332 | vrf_id_t nh_vrf_id); | |
d62a17ae | 333 | extern void route_entry_nexthop_add(struct route_entry *re, |
334 | struct nexthop *nexthop); | |
335 | extern void route_entry_copy_nexthops(struct route_entry *re, | |
336 | struct nexthop *nh); | |
f0f77c9a DS |
337 | |
338 | #define route_entry_dump(prefix, src, re) _route_entry_dump(__func__, prefix, src, re) | |
072834ca DS |
339 | extern void _route_entry_dump(const char *func, union prefixconstptr pp, |
340 | union prefixconstptr src_pp, | |
341 | const struct route_entry *re); | |
4623d897 | 342 | |
072834ca DS |
343 | extern void rib_lookup_and_dump(struct prefix_ipv4 *p, vrf_id_t vrf_id); |
344 | extern void rib_lookup_and_pushup(struct prefix_ipv4 *p, vrf_id_t vrf_id); | |
f0f77c9a | 345 | |
dc95824a DO |
346 | #define ZEBRA_RIB_LOOKUP_ERROR -1 |
347 | #define ZEBRA_RIB_FOUND_EXACT 0 | |
348 | #define ZEBRA_RIB_FOUND_NOGATE 1 | |
349 | #define ZEBRA_RIB_FOUND_CONNECTED 2 | |
350 | #define ZEBRA_RIB_NOTFOUND 3 | |
351 | ||
d7c0a89a QY |
352 | extern int is_zebra_valid_kernel_table(uint32_t table_id); |
353 | extern int is_zebra_main_routing_table(uint32_t table_id); | |
86391e56 | 354 | extern int zebra_check_addr(const struct prefix *p); |
718e3744 | 355 | |
d62a17ae | 356 | extern void rib_delnode(struct route_node *rn, struct route_entry *re); |
0c555cc6 DS |
357 | extern void rib_install_kernel(struct route_node *rn, struct route_entry *re, |
358 | struct route_entry *old); | |
359 | extern void rib_uninstall_kernel(struct route_node *rn, struct route_entry *re); | |
28f6dde8 | 360 | |
d24af186 | 361 | /* NOTE: |
b4c034b0 | 362 | * All rib_add function will not just add prefix into RIB, but |
d24af186 | 363 | * also implicitly withdraw equal prefix of same type. */ |
4a7371e9 | 364 | extern int rib_add(afi_t afi, safi_t safi, vrf_id_t vrf_id, int type, |
d7c0a89a | 365 | unsigned short instance, int flags, struct prefix *p, |
fd36be7e | 366 | struct prefix_ipv6 *src_p, const struct nexthop *nh, |
d7c0a89a | 367 | uint32_t table_id, uint32_t metric, uint32_t mtu, |
4e40b6d6 | 368 | uint8_t distance, route_tag_t tag); |
d62a17ae | 369 | |
072834ca DS |
370 | extern int rib_add_multipath(afi_t afi, safi_t safi, struct prefix *p, |
371 | struct prefix_ipv6 *src_p, struct route_entry *re); | |
d62a17ae | 372 | |
373 | extern void rib_delete(afi_t afi, safi_t safi, vrf_id_t vrf_id, int type, | |
d7c0a89a | 374 | unsigned short instance, int flags, struct prefix *p, |
fd36be7e | 375 | struct prefix_ipv6 *src_p, const struct nexthop *nh, |
40ecd8e4 DS |
376 | uint32_t table_id, uint32_t metric, uint8_t distance, |
377 | bool fromkernel); | |
d62a17ae | 378 | |
072834ca DS |
379 | extern struct route_entry *rib_match(afi_t afi, safi_t safi, vrf_id_t vrf_id, |
380 | union g_addr *addr, | |
d62a17ae | 381 | struct route_node **rn_out); |
382 | extern struct route_entry *rib_match_ipv4_multicast(vrf_id_t vrf_id, | |
383 | struct in_addr addr, | |
384 | struct route_node **rn_out); | |
385 | ||
072834ca DS |
386 | extern struct route_entry *rib_lookup_ipv4(struct prefix_ipv4 *p, |
387 | vrf_id_t vrf_id); | |
d62a17ae | 388 | |
072834ca | 389 | extern void rib_update(vrf_id_t vrf_id, rib_update_event_t event); |
d5b8c216 | 390 | extern void rib_update_table(struct route_table *table, |
391 | rib_update_event_t event); | |
d4644d41 | 392 | extern int rib_sweep_route(struct thread *t); |
072834ca DS |
393 | extern void rib_sweep_table(struct route_table *table); |
394 | extern void rib_close_table(struct route_table *table); | |
d62a17ae | 395 | extern void rib_init(void); |
d7c0a89a QY |
396 | extern unsigned long rib_score_proto(uint8_t proto, unsigned short instance); |
397 | extern unsigned long rib_score_proto_table(uint8_t proto, | |
398 | unsigned short instance, | |
47a08aa9 | 399 | struct route_table *table); |
d62a17ae | 400 | extern void rib_queue_add(struct route_node *rn); |
401 | extern void meta_queue_free(struct meta_queue *mq); | |
402 | extern int zebra_rib_labeled_unicast(struct route_entry *re); | |
718e3744 | 403 | extern struct route_table *rib_table_ipv6; |
404 | ||
072834ca | 405 | extern void rib_unlink(struct route_node *rn, struct route_entry *re); |
d62a17ae | 406 | extern int rib_gc_dest(struct route_node *rn); |
407 | extern struct route_table *rib_tables_iter_next(rib_tables_iter_t *iter); | |
9fd92e3c | 408 | |
fd289fc8 | 409 | extern uint8_t route_distance(int type); |
40c7bdb0 | 410 | |
699dae23 DS |
411 | extern void zebra_rib_evaluate_rn_nexthops(struct route_node *rn, uint32_t seq); |
412 | ||
9fd92e3c AS |
413 | /* |
414 | * Inline functions. | |
415 | */ | |
416 | ||
1b5ed1b0 AS |
417 | /* |
418 | * rib_table_info | |
419 | */ | |
d62a17ae | 420 | static inline rib_table_info_t *rib_table_info(struct route_table *table) |
1b5ed1b0 | 421 | { |
6ca30e9e | 422 | return (rib_table_info_t *)route_table_get_info(table); |
1b5ed1b0 AS |
423 | } |
424 | ||
9fd92e3c AS |
425 | /* |
426 | * rib_dest_from_rnode | |
427 | */ | |
d62a17ae | 428 | static inline rib_dest_t *rib_dest_from_rnode(struct route_node *rn) |
9fd92e3c | 429 | { |
d62a17ae | 430 | return (rib_dest_t *)rn->info; |
9fd92e3c AS |
431 | } |
432 | ||
433 | /* | |
434 | * rnode_to_ribs | |
435 | * | |
436 | * Returns a pointer to the list of routes corresponding to the given | |
437 | * route_node. | |
438 | */ | |
d62a17ae | 439 | static inline struct route_entry *rnode_to_ribs(struct route_node *rn) |
9fd92e3c | 440 | { |
d62a17ae | 441 | rib_dest_t *dest; |
9fd92e3c | 442 | |
d62a17ae | 443 | dest = rib_dest_from_rnode(rn); |
444 | if (!dest) | |
445 | return NULL; | |
9fd92e3c | 446 | |
045207e2 | 447 | return re_list_first(&dest->routes); |
9fd92e3c AS |
448 | } |
449 | ||
450 | /* | |
451 | * rib_dest_prefix | |
452 | */ | |
d62a17ae | 453 | static inline struct prefix *rib_dest_prefix(rib_dest_t *dest) |
9fd92e3c | 454 | { |
d62a17ae | 455 | return &dest->rnode->p; |
9fd92e3c AS |
456 | } |
457 | ||
458 | /* | |
459 | * rib_dest_af | |
460 | * | |
461 | * Returns the address family that the destination is for. | |
462 | */ | |
d7c0a89a | 463 | static inline uint8_t rib_dest_af(rib_dest_t *dest) |
9fd92e3c | 464 | { |
d62a17ae | 465 | return dest->rnode->p.family; |
9fd92e3c AS |
466 | } |
467 | ||
468 | /* | |
469 | * rib_dest_table | |
470 | */ | |
d62a17ae | 471 | static inline struct route_table *rib_dest_table(rib_dest_t *dest) |
9fd92e3c | 472 | { |
d62a17ae | 473 | return srcdest_rnode_table(dest->rnode); |
9fd92e3c AS |
474 | } |
475 | ||
1b5ed1b0 AS |
476 | /* |
477 | * rib_dest_vrf | |
478 | */ | |
d62a17ae | 479 | static inline struct zebra_vrf *rib_dest_vrf(rib_dest_t *dest) |
1b5ed1b0 | 480 | { |
d62a17ae | 481 | return rib_table_info(rib_dest_table(dest))->zvrf; |
1b5ed1b0 AS |
482 | } |
483 | ||
434434f7 DS |
484 | /* |
485 | * Create the rib_dest_t and attach it to the specified node | |
486 | */ | |
487 | extern rib_dest_t *zebra_rib_create_dest(struct route_node *rn); | |
488 | ||
0915bb0c AS |
489 | /* |
490 | * rib_tables_iter_init | |
491 | */ | |
d62a17ae | 492 | static inline void rib_tables_iter_init(rib_tables_iter_t *iter) |
0915bb0c AS |
493 | |
494 | { | |
d62a17ae | 495 | memset(iter, 0, sizeof(*iter)); |
496 | iter->state = RIB_TABLES_ITER_S_INIT; | |
0915bb0c AS |
497 | } |
498 | ||
499 | /* | |
500 | * rib_tables_iter_started | |
501 | * | |
2951a7a4 | 502 | * Returns true if this iterator has started iterating over the set of |
0915bb0c AS |
503 | * tables. |
504 | */ | |
d62a17ae | 505 | static inline int rib_tables_iter_started(rib_tables_iter_t *iter) |
0915bb0c | 506 | { |
d62a17ae | 507 | return iter->state != RIB_TABLES_ITER_S_INIT; |
0915bb0c AS |
508 | } |
509 | ||
510 | /* | |
511 | * rib_tables_iter_cleanup | |
512 | */ | |
d62a17ae | 513 | static inline void rib_tables_iter_cleanup(rib_tables_iter_t *iter) |
0915bb0c | 514 | { |
d62a17ae | 515 | iter->state = RIB_TABLES_ITER_S_DONE; |
0915bb0c AS |
516 | } |
517 | ||
d62a17ae | 518 | DECLARE_HOOK(rib_update, (struct route_node * rn, const char *reason), |
519 | (rn, reason)) | |
4f8ea50c | 520 | |
ee5e8a48 MS |
521 | /* |
522 | * Access active nexthop-group, either RIB or FIB version | |
523 | */ | |
524 | static inline struct nexthop_group *rib_active_nhg(struct route_entry *re) | |
525 | { | |
526 | if (re->fib_ng.nexthop) | |
527 | return &(re->fib_ng); | |
528 | else | |
529 | return &(re->ng); | |
530 | } | |
05f7f5db DS |
531 | |
532 | extern void zebra_vty_init(void); | |
4060008b | 533 | |
05f7f5db DS |
534 | extern pid_t pid; |
535 | ||
6b093863 | 536 | extern bool v6_rr_semantics; |
51e94aa7 EDP |
537 | |
538 | #ifdef __cplusplus | |
539 | } | |
540 | #endif | |
541 | ||
718e3744 | 542 | #endif /*_ZEBRA_RIB_H */ |