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718e3744 | 1 | /* |
2 | * OSPFd main header. | |
3 | * Copyright (C) 1998, 99, 2000 Kunihiro Ishiguro, Toshiaki Takada | |
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. | |
896014f4 | 11 | * |
718e3744 | 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_OSPFD_H | |
23 | #define _ZEBRA_OSPFD_H | |
24 | ||
c514adc6 | 25 | #include <zebra.h> |
7fd0729f | 26 | #include "typesafe.h" |
ae19c240 | 27 | #include "qobj.h" |
8551e6da | 28 | #include "libospf.h" |
132a782e | 29 | #include "ldp_sync.h" |
c514adc6 | 30 | |
718e3744 | 31 | #include "filter.h" |
343f5cc7 | 32 | #include "log.h" |
b5a8894d | 33 | #include "vrf.h" |
718e3744 | 34 | |
4a1ab8e4 | 35 | #include "ospf_memory.h" |
0a3fc2a5 | 36 | #include "ospf_dump_api.h" |
4a1ab8e4 | 37 | |
718e3744 | 38 | #define OSPF_VERSION 2 |
39 | ||
718e3744 | 40 | /* VTY port number. */ |
41 | #define OSPF_VTY_PORT 2604 | |
718e3744 | 42 | |
43 | /* IP TTL for OSPF protocol. */ | |
44 | #define OSPF_IP_TTL 1 | |
45 | #define OSPF_VL_IP_TTL 100 | |
46 | ||
47 | /* Default configuration file name for ospfd. */ | |
48 | #define OSPF_DEFAULT_CONFIG "ospfd.conf" | |
49 | ||
464c8204 | 50 | #define OSPF_NSSA_TRANS_STABLE_DEFAULT 40 |
718e3744 | 51 | |
52 | #define OSPF_ALLSPFROUTERS 0xe0000005 /* 224.0.0.5 */ | |
53 | #define OSPF_ALLDROUTERS 0xe0000006 /* 224.0.0.6 */ | |
54 | ||
718e3744 | 55 | /* OSPF Authentication Type. */ |
56 | #define OSPF_AUTH_NULL 0 | |
57 | #define OSPF_AUTH_SIMPLE 1 | |
58 | #define OSPF_AUTH_CRYPTOGRAPHIC 2 | |
59 | /* For Interface authentication setting default */ | |
60 | #define OSPF_AUTH_NOTSET -1 | |
d62a17ae | 61 | /* For the consumption and sanity of the command handler */ |
718e3744 | 62 | /* DO NIOT REMOVE!!! Need to detect whether a value has |
63 | been given or not in VLink command handlers */ | |
64 | #define OSPF_AUTH_CMD_NOTSEEN -2 | |
65 | ||
718e3744 | 66 | /* OSPF options. */ |
16f1b9ee | 67 | #define OSPF_OPTION_MT 0x01 /* M/T */ |
718e3744 | 68 | #define OSPF_OPTION_E 0x02 |
69 | #define OSPF_OPTION_MC 0x04 | |
70 | #define OSPF_OPTION_NP 0x08 | |
71 | #define OSPF_OPTION_EA 0x10 | |
72 | #define OSPF_OPTION_DC 0x20 | |
73 | #define OSPF_OPTION_O 0x40 | |
16f1b9ee | 74 | #define OSPF_OPTION_DN 0x80 |
718e3744 | 75 | |
76 | /* OSPF Database Description flags. */ | |
77 | #define OSPF_DD_FLAG_MS 0x01 | |
78 | #define OSPF_DD_FLAG_M 0x02 | |
79 | #define OSPF_DD_FLAG_I 0x04 | |
80 | #define OSPF_DD_FLAG_ALL 0x07 | |
81 | ||
718e3744 | 82 | #define OSPF_LS_REFRESH_SHIFT (60 * 15) |
83 | #define OSPF_LS_REFRESH_JITTER 60 | |
84 | ||
d62a17ae | 85 | struct ospf_external { |
d7c0a89a | 86 | unsigned short instance; |
d62a17ae | 87 | struct route_table *external_info; |
7c8ff89e DS |
88 | }; |
89 | ||
020709f9 | 90 | /* OSPF master for system wide configuration and variables. */ |
d62a17ae | 91 | struct ospf_master { |
92 | /* OSPF instance. */ | |
93 | struct list *ospf; | |
020709f9 | 94 | |
d62a17ae | 95 | /* OSPF thread master. */ |
96 | struct thread_master *master; | |
020709f9 | 97 | |
d62a17ae | 98 | /* Various OSPF global configuration. */ |
d7c0a89a | 99 | uint8_t options; |
32ab5cf4 | 100 | #define OSPF_MASTER_SHUTDOWN (1 << 0) /* deferred-shutdown */ |
020709f9 | 101 | }; |
102 | ||
d62a17ae | 103 | struct ospf_redist { |
d7c0a89a | 104 | unsigned short instance; |
d62a17ae | 105 | |
106 | /* Redistribute metric info. */ | |
107 | struct { | |
108 | int type; /* External metric type (E1 or E2). */ | |
109 | int value; /* Value for static metric (24-bit). | |
110 | -1 means metric value is not set. */ | |
111 | } dmetric; | |
112 | ||
113 | /* For redistribute route map. */ | |
114 | struct { | |
115 | char *name; | |
116 | struct route_map *map; | |
117 | } route_map; /* +1 is for default-information */ | |
7c8ff89e DS |
118 | #define ROUTEMAP_NAME(R) (R->route_map.name) |
119 | #define ROUTEMAP(R) (R->route_map.map) | |
120 | }; | |
121 | ||
c572fbfe DL |
122 | /* ospf->config */ |
123 | enum { | |
124 | OSPF_RFC1583_COMPATIBLE = (1 << 0), | |
125 | OSPF_OPAQUE_CAPABLE = (1 << 2), | |
126 | OSPF_LOG_ADJACENCY_CHANGES = (1 << 3), | |
127 | OSPF_LOG_ADJACENCY_DETAIL = (1 << 4), | |
5b5d66c4 | 128 | OSPF_SEND_EXTRA_DATA_TO_ZEBRA = (1 << 5), |
c572fbfe DL |
129 | }; |
130 | ||
385a1e07 G |
131 | /* TI-LFA */ |
132 | enum protection_type { | |
133 | OSPF_TI_LFA_UNDEFINED_PROTECTION, | |
134 | OSPF_TI_LFA_LINK_PROTECTION, | |
135 | OSPF_TI_LFA_NODE_PROTECTION, | |
136 | }; | |
137 | ||
10514170 RW |
138 | /* OSPF nonstop forwarding aka Graceful Restart */ |
139 | struct ospf_gr_info { | |
140 | bool restart_support; | |
141 | bool restart_in_progress; | |
142 | bool prepare_in_progress; | |
143 | bool finishing_restart; | |
144 | uint32_t grace_period; | |
145 | struct thread *t_grace_period; | |
146 | }; | |
147 | ||
718e3744 | 148 | /* OSPF instance structure. */ |
d62a17ae | 149 | struct ospf { |
150 | /* OSPF's running state based on the '[no] router ospf [<instance>]' | |
151 | * config. */ | |
d7c0a89a | 152 | uint8_t oi_running; |
0bad4851 | 153 | |
d62a17ae | 154 | /* OSPF instance ID */ |
d7c0a89a | 155 | unsigned short instance; |
7c8ff89e | 156 | |
d62a17ae | 157 | /* OSPF Router ID. */ |
158 | struct in_addr router_id; /* Configured automatically. */ | |
159 | struct in_addr router_id_static; /* Configured manually. */ | |
6021c6c0 | 160 | struct in_addr router_id_zebra; |
718e3744 | 161 | |
996c9314 LB |
162 | vrf_id_t vrf_id; /* VRF Id */ |
163 | char *name; /* VRF name */ | |
b5a8894d | 164 | |
d62a17ae | 165 | /* ABR/ASBR internal flags. */ |
d7c0a89a | 166 | uint8_t flags; |
718e3744 | 167 | #define OSPF_FLAG_ABR 0x0001 |
168 | #define OSPF_FLAG_ASBR 0x0002 | |
169 | ||
d62a17ae | 170 | /* ABR type. */ |
d7c0a89a | 171 | uint8_t abr_type; |
718e3744 | 172 | #define OSPF_ABR_UNKNOWN 0 |
173 | #define OSPF_ABR_STAND 1 | |
174 | #define OSPF_ABR_IBM 2 | |
175 | #define OSPF_ABR_CISCO 3 | |
176 | #define OSPF_ABR_SHORTCUT 4 | |
d57834f6 | 177 | #define OSPF_ABR_DEFAULT OSPF_ABR_CISCO |
718e3744 | 178 | |
d62a17ae | 179 | /* NSSA ABR */ |
d7c0a89a | 180 | uint8_t anyNSSA; /* Bump for every NSSA attached. */ |
718e3744 | 181 | |
c572fbfe | 182 | /* Configuration bitmask, refer to enum above */ |
d7c0a89a | 183 | uint8_t config; |
718e3744 | 184 | |
d62a17ae | 185 | /* Opaque-LSA administrative flags. */ |
d7c0a89a | 186 | uint8_t opaque; |
718e3744 | 187 | #define OPAQUE_OPERATION_READY_BIT (1 << 0) |
718e3744 | 188 | |
d62a17ae | 189 | /* RFC3137 stub router. Configured time to stay stub / max-metric */ |
190 | unsigned int stub_router_startup_time; /* seconds */ | |
191 | unsigned int stub_router_shutdown_time; /* seconds */ | |
88d6cf37 | 192 | #define OSPF_STUB_ROUTER_UNCONFIGURED 0 |
d7c0a89a | 193 | uint8_t stub_router_admin_set; |
4ba4fc85 AB |
194 | #define OSPF_STUB_ROUTER_ADMINISTRATIVE_SET 1 |
195 | #define OSPF_STUB_ROUTER_ADMINISTRATIVE_UNSET 0 | |
88d6cf37 | 196 | |
b4154c14 JR |
197 | #define OSPF_STUB_MAX_METRIC_SUMMARY_COST 0x00ff0000 |
198 | ||
d62a17ae | 199 | /* LSA timers */ |
200 | unsigned int min_ls_interval; /* minimum delay between LSAs (in msec) */ | |
201 | unsigned int min_ls_arrival; /* minimum interarrival time between LSAs | |
202 | (in msec) */ | |
203 | ||
204 | /* SPF parameters */ | |
205 | unsigned int spf_delay; /* SPF delay time. */ | |
206 | unsigned int spf_holdtime; /* SPF hold time. */ | |
207 | unsigned int spf_max_holdtime; /* SPF maximum-holdtime */ | |
208 | unsigned int | |
209 | spf_hold_multiplier; /* Adaptive multiplier for hold time */ | |
210 | ||
211 | int default_originate; /* Default information originate. */ | |
718e3744 | 212 | #define DEFAULT_ORIGINATE_NONE 0 |
213 | #define DEFAULT_ORIGINATE_ZEBRA 1 | |
214 | #define DEFAULT_ORIGINATE_ALWAYS 2 | |
d7c0a89a | 215 | uint32_t ref_bandwidth; /* Reference Bandwidth (Kbps). */ |
d62a17ae | 216 | struct route_table *networks; /* OSPF config networks. */ |
217 | struct list *vlinks; /* Configured Virtual-Links. */ | |
218 | struct list *areas; /* OSPF areas. */ | |
219 | struct route_table *nbr_nbma; | |
220 | struct ospf_area *backbone; /* Pointer to the Backbone Area. */ | |
221 | ||
222 | struct list *oiflist; /* ospf interfaces */ | |
d7c0a89a | 223 | uint8_t passive_interface_default; /* passive-interface default */ |
d62a17ae | 224 | |
225 | /* LSDB of AS-external-LSAs. */ | |
226 | struct ospf_lsdb *lsdb; | |
227 | ||
228 | /* Flags. */ | |
d62a17ae | 229 | int ase_calc; /* ASE calculation flag. */ |
230 | ||
231 | struct list *opaque_lsa_self; /* Type-11 Opaque-LSAs */ | |
232 | ||
233 | /* Routing tables. */ | |
234 | struct route_table *old_table; /* Old routing table. */ | |
235 | struct route_table *new_table; /* Current routing table. */ | |
236 | ||
b538baf3 CH |
237 | struct route_table *oall_rtrs; /* Old router RT. */ |
238 | struct route_table *all_rtrs; /* New routers RT. */ | |
239 | ||
d62a17ae | 240 | struct route_table *old_rtrs; /* Old ABR/ASBR RT. */ |
241 | struct route_table *new_rtrs; /* New ABR/ASBR RT. */ | |
242 | ||
243 | struct route_table *new_external_route; /* New External Route. */ | |
244 | struct route_table *old_external_route; /* Old External Route. */ | |
245 | ||
246 | struct route_table *external_lsas; /* Database of external LSAs, | |
247 | prefix is LSA's adv. network*/ | |
248 | ||
249 | /* Time stamps */ | |
250 | struct timeval ts_spf; /* SPF calculation time stamp. */ | |
251 | struct timeval ts_spf_duration; /* Execution time of last SPF */ | |
252 | ||
253 | struct route_table *maxage_lsa; /* List of MaxAge LSA for deletion. */ | |
254 | int redistribute; /* Num of redistributed protocols. */ | |
255 | ||
256 | /* Threads. */ | |
257 | struct thread *t_abr_task; /* ABR task timer. */ | |
258 | struct thread *t_asbr_check; /* ASBR check timer. */ | |
1c1c342d AC |
259 | struct thread *t_asbr_nssa_redist_update; /* ASBR NSSA redistribution |
260 | update timer. */ | |
d62a17ae | 261 | struct thread *t_distribute_update; /* Distirbute list update timer. */ |
262 | struct thread *t_spf_calc; /* SPF calculation timer. */ | |
263 | struct thread *t_ase_calc; /* ASE calculation timer. */ | |
d62a17ae | 264 | struct thread |
265 | *t_opaque_lsa_self; /* Type-11 Opaque-LSAs origin event. */ | |
cf9b9f77 | 266 | struct thread *t_sr_update; /* Segment Routing update timer */ |
d62a17ae | 267 | |
268 | unsigned int maxage_delay; /* Delay on Maxage remover timer, sec */ | |
269 | struct thread *t_maxage; /* MaxAge LSA remover timer. */ | |
270 | struct thread *t_maxage_walker; /* MaxAge LSA checking timer. */ | |
271 | ||
272 | struct thread | |
273 | *t_deferred_shutdown; /* deferred/stub-router shutdown timer*/ | |
274 | ||
275 | struct thread *t_write; | |
e8f45e82 | 276 | #define OSPF_WRITE_INTERFACE_COUNT_DEFAULT 20 |
1febb13d S |
277 | struct thread *t_default_routemap_timer; |
278 | ||
d62a17ae | 279 | int write_oi_count; /* Num of packets sent per thread invocation */ |
280 | struct thread *t_read; | |
281 | int fd; | |
282 | struct stream *ibuf; | |
283 | struct list *oi_write_q; | |
284 | ||
285 | /* Distribute lists out of other route sources. */ | |
286 | struct { | |
287 | char *name; | |
288 | struct access_list *list; | |
289 | } dlist[ZEBRA_ROUTE_MAX]; | |
020709f9 | 290 | #define DISTRIBUTE_NAME(O,T) (O)->dlist[T].name |
291 | #define DISTRIBUTE_LIST(O,T) (O)->dlist[T].list | |
718e3744 | 292 | |
d62a17ae | 293 | /* OSPF redistribute configuration */ |
294 | struct list *redist[ZEBRA_ROUTE_MAX + 1]; | |
718e3744 | 295 | |
d62a17ae | 296 | /* Redistribute tag info. */ |
297 | route_tag_t | |
298 | dtag[ZEBRA_ROUTE_MAX + 1]; // Pending: cant configure as of now | |
0d9551dc | 299 | |
d62a17ae | 300 | int default_metric; /* Default metric for redistribute. */ |
718e3744 | 301 | |
302 | #define OSPF_LSA_REFRESHER_GRANULARITY 10 | |
d62a17ae | 303 | #define OSPF_LSA_REFRESHER_SLOTS \ |
304 | ((OSPF_LS_REFRESH_TIME + OSPF_LS_REFRESH_SHIFT) \ | |
305 | / OSPF_LSA_REFRESHER_GRANULARITY \ | |
306 | + 1) | |
307 | struct { | |
d7c0a89a | 308 | uint16_t index; |
d62a17ae | 309 | struct list *qs[OSPF_LSA_REFRESHER_SLOTS]; |
310 | } lsa_refresh_queue; | |
311 | ||
312 | struct thread *t_lsa_refresher; | |
313 | time_t lsa_refresher_started; | |
718e3744 | 314 | #define OSPF_LSA_REFRESH_INTERVAL_DEFAULT 10 |
d7c0a89a | 315 | uint16_t lsa_refresh_interval; |
d62a17ae | 316 | |
317 | /* Distance parameter. */ | |
d7c0a89a QY |
318 | uint8_t distance_all; |
319 | uint8_t distance_intra; | |
320 | uint8_t distance_inter; | |
321 | uint8_t distance_external; | |
d62a17ae | 322 | |
323 | /* Statistics for LSA origination. */ | |
d7c0a89a | 324 | uint32_t lsa_originate_count; |
d62a17ae | 325 | |
326 | /* Statistics for LSA used for new instantiation. */ | |
d7c0a89a | 327 | uint32_t rx_lsa_count; |
d62a17ae | 328 | |
d62a17ae | 329 | struct route_table *distance_table; |
330 | ||
046460a1 CS |
331 | /* Used during ospf instance going down send LSDB |
332 | * update to neighbors immediatly */ | |
333 | uint8_t inst_shutdown; | |
334 | ||
a92706bb JU |
335 | /* Enable or disable sending proactive ARP requests. */ |
336 | bool proactive_arp; | |
337 | #define OSPF_PROACTIVE_ARP_DEFAULT true | |
338 | ||
de1ac5fd CS |
339 | /* Redistributed external information. */ |
340 | struct list *external[ZEBRA_ROUTE_MAX + 1]; | |
f96f2713 | 341 | #define EXTERNAL_INFO(E) (E->external_info) |
342 | ||
17be83bf | 343 | /* Graceful restart Helper supported configs*/ |
f96f2713 | 344 | /* Supported grace interval*/ |
345 | uint32_t supported_grace_time; | |
346 | ||
347 | /* Helper support | |
348 | * Supported : True | |
349 | * Not Supported : False. | |
350 | */ | |
351 | bool is_helper_supported; | |
352 | ||
353 | /* Support for strict LSA check. | |
354 | * if it is set,Helper aborted | |
355 | * upon a TOPO change. | |
356 | */ | |
357 | bool strict_lsa_check; | |
358 | ||
359 | /* Support as HELPER only for | |
360 | * planned restarts. | |
361 | */ | |
362 | bool only_planned_restart; | |
363 | ||
364 | /* This list contains the advertisement | |
365 | * routerids which are not support for HELPERs. | |
366 | */ | |
367 | struct hash *enable_rtr_list; | |
368 | ||
369 | /* HELPER for number of active | |
370 | * RESTARTERs. | |
371 | */ | |
372 | uint16_t active_restarter_cnt; | |
373 | ||
374 | /* last HELPER exit reason */ | |
375 | uint32_t last_exit_reason; | |
de1ac5fd | 376 | |
cb2bc4cb | 377 | /* delay timer to process external routes |
378 | * with summary address. | |
379 | */ | |
380 | struct thread *t_external_aggr; | |
381 | ||
382 | /* delay interval in seconds */ | |
4b939ad2 | 383 | uint16_t aggr_delay_interval; |
cb2bc4cb | 384 | |
385 | /* Table of configured Aggregate addresses */ | |
386 | struct route_table *rt_aggr_tbl; | |
387 | ||
388 | /* used as argument for aggr delay | |
389 | * timer thread. | |
390 | */ | |
391 | int aggr_action; | |
392 | ||
3d5b9855 | 393 | /* Max number of multiple paths |
394 | * to support ECMP. | |
395 | */ | |
396 | uint16_t max_multipath; | |
397 | ||
132a782e | 398 | /* MPLS LDP-IGP Sync */ |
399 | struct ldp_sync_info_cmd ldp_sync_cmd; | |
400 | ||
10514170 RW |
401 | /* OSPF Graceful Restart info */ |
402 | struct ospf_gr_info gr_info; | |
403 | ||
7fd0729f G |
404 | /* TI-LFA support for all interfaces. */ |
405 | bool ti_lfa_enabled; | |
385a1e07 | 406 | enum protection_type ti_lfa_protection_type; |
7fd0729f | 407 | |
96244aca | 408 | QOBJ_FIELDS; |
718e3744 | 409 | }; |
96244aca | 410 | DECLARE_QOBJ_TYPE(ospf); |
718e3744 | 411 | |
bdcfd34a G |
412 | enum ospf_ti_lfa_p_q_space_adjacency { |
413 | OSPF_TI_LFA_P_Q_SPACE_ADJACENT, | |
414 | OSPF_TI_LFA_P_Q_SPACE_NON_ADJACENT, | |
415 | }; | |
416 | ||
7fd0729f G |
417 | enum ospf_ti_lfa_node_type { |
418 | OSPF_TI_LFA_UNDEFINED_NODE, | |
419 | OSPF_TI_LFA_PQ_NODE, | |
420 | OSPF_TI_LFA_P_NODE, | |
421 | OSPF_TI_LFA_Q_NODE, | |
422 | }; | |
423 | ||
424 | struct ospf_ti_lfa_node_info { | |
425 | struct vertex *node; | |
426 | enum ospf_ti_lfa_node_type type; | |
427 | struct in_addr nexthop; | |
428 | }; | |
429 | ||
bdcfd34a G |
430 | struct ospf_ti_lfa_inner_backup_path_info { |
431 | struct ospf_ti_lfa_node_info p_node_info; | |
432 | struct ospf_ti_lfa_node_info q_node_info; | |
433 | struct mpls_label_stack *label_stack; | |
434 | }; | |
435 | ||
385a1e07 G |
436 | struct protected_resource { |
437 | enum protection_type type; | |
438 | ||
439 | /* Link Protection */ | |
440 | struct router_lsa_link *link; | |
441 | ||
442 | /* Node Protection */ | |
443 | struct in_addr router_id; | |
444 | }; | |
445 | ||
960b9a53 | 446 | PREDECL_RBTREE_UNIQ(q_spaces); |
7fd0729f G |
447 | struct q_space { |
448 | struct vertex *root; | |
449 | struct list *vertex_list; | |
450 | struct mpls_label_stack *label_stack; | |
451 | struct in_addr nexthop; | |
9d3444f8 | 452 | struct list *pc_path; |
bdcfd34a G |
453 | struct ospf_ti_lfa_node_info *p_node_info; |
454 | struct ospf_ti_lfa_node_info *q_node_info; | |
7fd0729f G |
455 | struct q_spaces_item q_spaces_item; |
456 | }; | |
457 | ||
960b9a53 | 458 | PREDECL_RBTREE_UNIQ(p_spaces); |
7fd0729f G |
459 | struct p_space { |
460 | struct vertex *root; | |
385a1e07 | 461 | struct protected_resource *protected_resource; |
7fd0729f G |
462 | struct q_spaces_head *q_spaces; |
463 | struct list *vertex_list; | |
464 | struct vertex *pc_spf; | |
465 | struct list *pc_vertex_list; | |
466 | struct p_spaces_item p_spaces_item; | |
467 | }; | |
468 | ||
718e3744 | 469 | /* OSPF area structure. */ |
d62a17ae | 470 | struct ospf_area { |
471 | /* OSPF instance. */ | |
472 | struct ospf *ospf; | |
718e3744 | 473 | |
d62a17ae | 474 | /* Zebra interface list belonging to the area. */ |
475 | struct list *oiflist; | |
718e3744 | 476 | |
d62a17ae | 477 | /* Area ID. */ |
478 | struct in_addr area_id; | |
718e3744 | 479 | |
d62a17ae | 480 | /* Area ID format. */ |
481 | int area_id_fmt; | |
86573dcb QY |
482 | #define OSPF_AREA_ID_FMT_DOTTEDQUAD 1 |
483 | #define OSPF_AREA_ID_FMT_DECIMAL 2 | |
718e3744 | 484 | |
d62a17ae | 485 | /* Address range. */ |
486 | struct list *address_range; | |
718e3744 | 487 | |
d62a17ae | 488 | /* Configured variables. */ |
489 | int external_routing; /* ExternalRoutingCapability. */ | |
490 | int no_summary; /* Don't inject summaries into stub.*/ | |
491 | int shortcut_configured; /* Area configured as shortcut. */ | |
718e3744 | 492 | #define OSPF_SHORTCUT_DEFAULT 0 |
493 | #define OSPF_SHORTCUT_ENABLE 1 | |
494 | #define OSPF_SHORTCUT_DISABLE 2 | |
d62a17ae | 495 | int shortcut_capability; /* Other ABRs agree on S-bit */ |
d7c0a89a | 496 | uint32_t default_cost; /* StubDefaultCost. */ |
d62a17ae | 497 | int auth_type; /* Authentication type. */ |
c317eddb | 498 | int suppress_fa; /* Suppress forwarding address in NSSA ABR */ |
d62a17ae | 499 | |
d7c0a89a | 500 | uint8_t NSSATranslatorRole; /* NSSA configured role */ |
718e3744 | 501 | #define OSPF_NSSA_ROLE_NEVER 0 |
d4a53d58 | 502 | #define OSPF_NSSA_ROLE_CANDIDATE 1 |
503 | #define OSPF_NSSA_ROLE_ALWAYS 2 | |
d7c0a89a | 504 | uint8_t NSSATranslatorState; /* NSSA operational role */ |
d4a53d58 | 505 | #define OSPF_NSSA_TRANSLATE_DISABLED 0 |
506 | #define OSPF_NSSA_TRANSLATE_ENABLED 1 | |
d62a17ae | 507 | int NSSATranslatorStabilityInterval; |
508 | ||
d7c0a89a | 509 | uint8_t transit; /* TransitCapability. */ |
718e3744 | 510 | #define OSPF_TRANSIT_FALSE 0 |
511 | #define OSPF_TRANSIT_TRUE 1 | |
d62a17ae | 512 | struct route_table *ranges; /* Configured Area Ranges. */ |
513 | ||
514 | /* RFC3137 stub router state flags for area */ | |
d7c0a89a | 515 | uint8_t stub_router_state; |
88d6cf37 | 516 | #define OSPF_AREA_ADMIN_STUB_ROUTED (1 << 0) /* admin stub-router set */ |
517 | #define OSPF_AREA_IS_STUB_ROUTED (1 << 1) /* stub-router active */ | |
518 | #define OSPF_AREA_WAS_START_STUB_ROUTED (1 << 2) /* startup SR was done */ | |
d62a17ae | 519 | /* Area related LSDBs[Type1-4]. */ |
520 | struct ospf_lsdb *lsdb; | |
521 | ||
522 | /* Self-originated LSAs. */ | |
523 | struct ospf_lsa *router_lsa_self; | |
524 | struct list *opaque_lsa_self; /* Type-10 Opaque-LSAs */ | |
525 | ||
526 | /* Area announce list. */ | |
527 | struct { | |
528 | char *name; | |
529 | struct access_list *list; | |
530 | } _export; | |
dea04441 PJ |
531 | #define EXPORT_NAME(A) (A)->_export.name |
532 | #define EXPORT_LIST(A) (A)->_export.list | |
718e3744 | 533 | |
d62a17ae | 534 | /* Area acceptance list. */ |
535 | struct { | |
536 | char *name; | |
537 | struct access_list *list; | |
538 | } import; | |
718e3744 | 539 | #define IMPORT_NAME(A) (A)->import.name |
540 | #define IMPORT_LIST(A) (A)->import.list | |
541 | ||
d62a17ae | 542 | /* Type 3 LSA Area prefix-list. */ |
543 | struct { | |
544 | char *name; | |
545 | struct prefix_list *list; | |
546 | } plist_in; | |
718e3744 | 547 | #define PREFIX_LIST_IN(A) (A)->plist_in.list |
548 | #define PREFIX_NAME_IN(A) (A)->plist_in.name | |
549 | ||
d62a17ae | 550 | struct { |
551 | char *name; | |
552 | struct prefix_list *list; | |
553 | } plist_out; | |
718e3744 | 554 | #define PREFIX_LIST_OUT(A) (A)->plist_out.list |
555 | #define PREFIX_NAME_OUT(A) (A)->plist_out.name | |
556 | ||
d62a17ae | 557 | /* Shortest Path Tree. */ |
558 | struct vertex *spf; | |
81443a28 G |
559 | struct list *spf_vertex_list; |
560 | ||
6fc9528e G |
561 | bool spf_dry_run; /* flag for checking if the SPF calculation is |
562 | intended for the local RIB */ | |
563 | bool spf_root_node; /* flag for checking if the calculating node is the | |
564 | root node of the SPF tree */ | |
718e3744 | 565 | |
7fd0729f | 566 | /* TI-LFA protected link for SPF calculations */ |
385a1e07 | 567 | struct protected_resource *spf_protected_resource; |
7fd0729f G |
568 | |
569 | /* P/Q spaces for TI-LFA */ | |
570 | struct p_spaces_head *p_spaces; | |
571 | ||
d62a17ae | 572 | /* Threads. */ |
573 | struct thread *t_stub_router; /* Stub-router timer */ | |
574 | struct thread *t_opaque_lsa_self; /* Type-10 Opaque-LSAs origin. */ | |
718e3744 | 575 | |
d62a17ae | 576 | /* Statistics field. */ |
d7c0a89a | 577 | uint32_t spf_calculation; /* SPF Calculation Count. */ |
718e3744 | 578 | |
133e59cf G |
579 | /* reverse SPF (used for TI-LFA Q spaces) */ |
580 | bool spf_reversed; | |
581 | ||
d62a17ae | 582 | /* Time stamps. */ |
583 | struct timeval ts_spf; /* SPF calculation time stamp. */ | |
cf744958 | 584 | |
d62a17ae | 585 | /* Router count. */ |
d7c0a89a QY |
586 | uint32_t abr_count; /* ABR router in this area. */ |
587 | uint32_t asbr_count; /* ASBR router in this area. */ | |
718e3744 | 588 | |
d62a17ae | 589 | /* Counters. */ |
d7c0a89a QY |
590 | uint32_t act_ints; /* Active interfaces. */ |
591 | uint32_t full_nbrs; /* Fully adjacent neighbors. */ | |
592 | uint32_t full_vls; /* Fully adjacent virtual neighbors. */ | |
718e3744 | 593 | }; |
594 | ||
595 | /* OSPF config network structure. */ | |
d62a17ae | 596 | struct ospf_network { |
597 | /* Area ID. */ | |
598 | struct in_addr area_id; | |
599 | int area_id_fmt; | |
718e3744 | 600 | }; |
601 | ||
602 | /* OSPF NBMA neighbor structure. */ | |
d62a17ae | 603 | struct ospf_nbr_nbma { |
604 | /* Neighbor IP address. */ | |
605 | struct in_addr addr; | |
718e3744 | 606 | |
d62a17ae | 607 | /* OSPF interface. */ |
608 | struct ospf_interface *oi; | |
718e3744 | 609 | |
d62a17ae | 610 | /* OSPF neighbor structure. */ |
611 | struct ospf_neighbor *nbr; | |
718e3744 | 612 | |
d62a17ae | 613 | /* Neighbor priority. */ |
d7c0a89a | 614 | uint8_t priority; |
718e3744 | 615 | |
d62a17ae | 616 | /* Poll timer value. */ |
d7c0a89a | 617 | uint32_t v_poll; |
718e3744 | 618 | |
d62a17ae | 619 | /* Poll timer thread. */ |
620 | struct thread *t_poll; | |
718e3744 | 621 | |
d62a17ae | 622 | /* State change. */ |
d7c0a89a | 623 | uint32_t state_change; |
718e3744 | 624 | }; |
625 | ||
626 | /* Macro. */ | |
d62a17ae | 627 | #define OSPF_AREA_SAME(X, Y) \ |
628 | (memcmp((X->area_id), (Y->area_id), IPV4_MAX_BYTELEN) == 0) | |
718e3744 | 629 | |
020709f9 | 630 | #define IS_OSPF_ABR(O) ((O)->flags & OSPF_FLAG_ABR) |
631 | #define IS_OSPF_ASBR(O) ((O)->flags & OSPF_FLAG_ASBR) | |
718e3744 | 632 | |
633 | #define OSPF_IS_AREA_ID_BACKBONE(I) ((I).s_addr == OSPF_AREA_BACKBONE) | |
634 | #define OSPF_IS_AREA_BACKBONE(A) OSPF_IS_AREA_ID_BACKBONE ((A)->area_id) | |
635 | ||
636 | #ifdef roundup | |
637 | # define ROUNDUP(val, gran) roundup(val, gran) | |
d62a17ae | 638 | #else /* roundup */ |
718e3744 | 639 | # define ROUNDUP(val, gran) (((val) - 1 | (gran) - 1) + 1) |
640 | #endif /* roundup */ | |
641 | ||
d62a17ae | 642 | #define LSA_OPTIONS_GET(area) \ |
643 | (((area)->external_routing == OSPF_AREA_DEFAULT) ? OSPF_OPTION_E : 0) | |
644 | #define LSA_OPTIONS_NSSA_GET(area) \ | |
645 | (((area)->external_routing == OSPF_AREA_NSSA) ? OSPF_OPTION_NP : 0) | |
718e3744 | 646 | |
ffa2c898 QY |
647 | #define OSPF_TIMER_ON(T,F,V) thread_add_timer (master,(F),ospf,(V),&(T)) |
648 | #define OSPF_AREA_TIMER_ON(T,F,V) thread_add_timer (master, (F), area, (V), &(T)) | |
649 | #define OSPF_POLL_TIMER_ON(T,F,V) thread_add_timer (master, (F), nbr_nbma, (V), &(T)) | |
718e3744 | 650 | |
020709f9 | 651 | /* Extern variables. */ |
652 | extern struct ospf_master *om; | |
409f98ab | 653 | extern unsigned short ospf_instance; |
7ba82f70 | 654 | extern const int ospf_redistributed_proto_max; |
718e3744 | 655 | extern struct zclient *zclient; |
656 | extern struct thread_master *master; | |
718e3744 | 657 | extern int ospf_zlog; |
e5c25022 | 658 | extern struct zebra_privs_t ospfd_privs; |
718e3744 | 659 | |
660 | /* Prototypes. */ | |
d7c0a89a | 661 | extern const char *ospf_redist_string(unsigned int route_type); |
2d4093ee | 662 | extern struct ospf *ospf_lookup_instance(unsigned short instance); |
409f98ab | 663 | extern struct ospf *ospf_lookup(unsigned short instance, const char *name); |
c572fbfe DL |
664 | extern struct ospf *ospf_get(unsigned short instance, const char *name, |
665 | bool *created); | |
7fd0729f | 666 | extern struct ospf *ospf_new_alloc(unsigned short instance, const char *name); |
d7c0a89a | 667 | extern struct ospf *ospf_lookup_by_inst_name(unsigned short instance, |
b5a8894d CS |
668 | const char *name); |
669 | extern struct ospf *ospf_lookup_by_vrf_id(vrf_id_t vrf_id); | |
cbf32f74 | 670 | extern uint32_t ospf_count_area_params(struct ospf *ospf); |
2d4093ee | 671 | extern void ospf_finish(struct ospf *ospf); |
f91ce319 | 672 | extern void ospf_process_refresh_data(struct ospf *ospf, bool reset); |
d62a17ae | 673 | extern void ospf_router_id_update(struct ospf *ospf); |
f91ce319 MR |
674 | extern void ospf_process_reset(struct ospf *ospf); |
675 | extern void ospf_neighbor_reset(struct ospf *ospf, struct in_addr nbr_id, | |
676 | const char *nbr_str); | |
2d4093ee DS |
677 | extern int ospf_network_set(struct ospf *ospf, struct prefix_ipv4 *p, |
678 | struct in_addr area_id, int df); | |
679 | extern int ospf_network_unset(struct ospf *ospf, struct prefix_ipv4 *p, | |
680 | struct in_addr aread_id); | |
681 | extern int ospf_area_display_format_set(struct ospf *ospf, | |
682 | struct ospf_area *area, int df); | |
683 | extern int ospf_area_stub_set(struct ospf *ospf, struct in_addr area_id); | |
684 | extern int ospf_area_stub_unset(struct ospf *ospf, struct in_addr area_id); | |
685 | extern int ospf_area_no_summary_set(struct ospf *ospf, struct in_addr area_id); | |
686 | extern int ospf_area_no_summary_unset(struct ospf *ospf, | |
687 | struct in_addr area_id); | |
688 | extern int ospf_area_nssa_set(struct ospf *ospf, struct in_addr area_id); | |
689 | extern int ospf_area_nssa_unset(struct ospf *ospf, struct in_addr area_id, | |
690 | int argc); | |
c317eddb | 691 | extern int ospf_area_nssa_suppress_fa_set(struct ospf *ospf, |
692 | struct in_addr area_id); | |
693 | extern int ospf_area_nssa_suppress_fa_unset(struct ospf *ospf, | |
694 | struct in_addr area_id); | |
2d4093ee DS |
695 | extern int ospf_area_nssa_translator_role_set(struct ospf *ospf, |
696 | struct in_addr area_id, int role); | |
697 | extern int ospf_area_export_list_set(struct ospf *ospf, | |
698 | struct ospf_area *area_id, | |
699 | const char *list_name); | |
700 | extern int ospf_area_export_list_unset(struct ospf *ospf, | |
701 | struct ospf_area *area_id); | |
702 | extern int ospf_area_import_list_set(struct ospf *ospf, | |
703 | struct ospf_area *area_id, | |
704 | const char *name); | |
705 | extern int ospf_area_import_list_unset(struct ospf *ospf, | |
706 | struct ospf_area *area_id); | |
707 | extern int ospf_area_shortcut_set(struct ospf *ospf, struct ospf_area *area_id, | |
708 | int mode); | |
709 | extern int ospf_area_shortcut_unset(struct ospf *ospf, | |
710 | struct ospf_area *area_id); | |
711 | extern int ospf_timers_refresh_set(struct ospf *ospf, int interval); | |
712 | extern int ospf_timers_refresh_unset(struct ospf *ospf); | |
f91ce319 | 713 | void ospf_area_lsdb_discard_delete(struct ospf_area *area); |
2d4093ee DS |
714 | extern int ospf_nbr_nbma_set(struct ospf *ospf, struct in_addr nbr_addr); |
715 | extern int ospf_nbr_nbma_unset(struct ospf *ospf, struct in_addr nbr_addr); | |
716 | extern int ospf_nbr_nbma_priority_set(struct ospf *ospf, | |
717 | struct in_addr nbr_addr, | |
718 | uint8_t priority); | |
719 | extern int ospf_nbr_nbma_priority_unset(struct ospf *ospf, | |
720 | struct in_addr nbr_addr); | |
721 | extern int ospf_nbr_nbma_poll_interval_set(struct ospf *ospf, | |
722 | struct in_addr nbr_addr, | |
723 | unsigned int interval); | |
724 | extern int ospf_nbr_nbma_poll_interval_unset(struct ospf *ospf, | |
725 | struct in_addr addr); | |
726 | extern void ospf_if_update(struct ospf *ospf, struct interface *ifp); | |
727 | extern void ospf_ls_upd_queue_empty(struct ospf_interface *oi); | |
d62a17ae | 728 | extern void ospf_terminate(void); |
2d4093ee DS |
729 | extern void ospf_nbr_nbma_if_update(struct ospf *ospf, |
730 | struct ospf_interface *oi); | |
731 | extern struct ospf_nbr_nbma *ospf_nbr_nbma_lookup(struct ospf *ospf, | |
732 | struct in_addr nbr_addr); | |
733 | extern int ospf_oi_count(struct interface *ifp); | |
d62a17ae | 734 | |
7fd0729f G |
735 | extern struct ospf_area *ospf_area_new(struct ospf *ospf, |
736 | struct in_addr area_id); | |
2d4093ee DS |
737 | extern struct ospf_area *ospf_area_get(struct ospf *ospf, |
738 | struct in_addr area_id); | |
739 | extern void ospf_area_check_free(struct ospf *ospf, struct in_addr area_id); | |
740 | extern struct ospf_area *ospf_area_lookup_by_area_id(struct ospf *ospf, | |
741 | struct in_addr area_id); | |
742 | extern void ospf_area_add_if(struct ospf_area *oa, struct ospf_interface *oi); | |
743 | extern void ospf_area_del_if(struct ospf_area *oa, struct ospf_interface *oi); | |
d62a17ae | 744 | |
2d4093ee DS |
745 | extern void ospf_interface_area_set(struct ospf *ospf, struct interface *ifp); |
746 | extern void ospf_interface_area_unset(struct ospf *ospf, struct interface *ifp); | |
d62a17ae | 747 | |
748 | extern void ospf_route_map_init(void); | |
749 | ||
750 | extern void ospf_master_init(struct thread_master *master); | |
b5a8894d CS |
751 | extern void ospf_vrf_init(void); |
752 | extern void ospf_vrf_terminate(void); | |
753 | extern void ospf_vrf_link(struct ospf *ospf, struct vrf *vrf); | |
754 | extern void ospf_vrf_unlink(struct ospf *ospf, struct vrf *vrf); | |
755 | const char *ospf_vrf_id_to_name(vrf_id_t vrf_id); | |
2d4093ee | 756 | int ospf_area_nssa_no_summary_set(struct ospf *ospf, struct in_addr area_id); |
7ef56a73 | 757 | |
88b6b28e | 758 | const char *ospf_get_name(const struct ospf *ospf); |
7fd0729f G |
759 | extern struct ospf_interface *add_ospf_interface(struct connected *co, |
760 | struct ospf_area *area); | |
761 | ||
762 | extern int p_spaces_compare_func(const struct p_space *a, | |
763 | const struct p_space *b); | |
764 | extern int q_spaces_compare_func(const struct q_space *a, | |
765 | const struct q_space *b); | |
a623b526 | 766 | |
718e3744 | 767 | #endif /* _ZEBRA_OSPFD_H */ |