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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), | |
128 | }; | |
129 | ||
385a1e07 G |
130 | /* TI-LFA */ |
131 | enum protection_type { | |
132 | OSPF_TI_LFA_UNDEFINED_PROTECTION, | |
133 | OSPF_TI_LFA_LINK_PROTECTION, | |
134 | OSPF_TI_LFA_NODE_PROTECTION, | |
135 | }; | |
136 | ||
10514170 RW |
137 | /* OSPF nonstop forwarding aka Graceful Restart */ |
138 | struct ospf_gr_info { | |
139 | bool restart_support; | |
140 | bool restart_in_progress; | |
141 | bool prepare_in_progress; | |
142 | bool finishing_restart; | |
143 | uint32_t grace_period; | |
144 | struct thread *t_grace_period; | |
145 | }; | |
146 | ||
718e3744 | 147 | /* OSPF instance structure. */ |
d62a17ae | 148 | struct ospf { |
149 | /* OSPF's running state based on the '[no] router ospf [<instance>]' | |
150 | * config. */ | |
d7c0a89a | 151 | uint8_t oi_running; |
0bad4851 | 152 | |
d62a17ae | 153 | /* OSPF instance ID */ |
d7c0a89a | 154 | unsigned short instance; |
7c8ff89e | 155 | |
d62a17ae | 156 | /* OSPF Router ID. */ |
157 | struct in_addr router_id; /* Configured automatically. */ | |
158 | struct in_addr router_id_static; /* Configured manually. */ | |
6021c6c0 | 159 | struct in_addr router_id_zebra; |
718e3744 | 160 | |
996c9314 LB |
161 | vrf_id_t vrf_id; /* VRF Id */ |
162 | char *name; /* VRF name */ | |
b5a8894d | 163 | |
d62a17ae | 164 | /* ABR/ASBR internal flags. */ |
d7c0a89a | 165 | uint8_t flags; |
718e3744 | 166 | #define OSPF_FLAG_ABR 0x0001 |
167 | #define OSPF_FLAG_ASBR 0x0002 | |
168 | ||
d62a17ae | 169 | /* ABR type. */ |
d7c0a89a | 170 | uint8_t abr_type; |
718e3744 | 171 | #define OSPF_ABR_UNKNOWN 0 |
172 | #define OSPF_ABR_STAND 1 | |
173 | #define OSPF_ABR_IBM 2 | |
174 | #define OSPF_ABR_CISCO 3 | |
175 | #define OSPF_ABR_SHORTCUT 4 | |
d57834f6 | 176 | #define OSPF_ABR_DEFAULT OSPF_ABR_CISCO |
718e3744 | 177 | |
d62a17ae | 178 | /* NSSA ABR */ |
d7c0a89a | 179 | uint8_t anyNSSA; /* Bump for every NSSA attached. */ |
718e3744 | 180 | |
c572fbfe | 181 | /* Configuration bitmask, refer to enum above */ |
d7c0a89a | 182 | uint8_t config; |
718e3744 | 183 | |
d62a17ae | 184 | /* Opaque-LSA administrative flags. */ |
d7c0a89a | 185 | uint8_t opaque; |
718e3744 | 186 | #define OPAQUE_OPERATION_READY_BIT (1 << 0) |
718e3744 | 187 | |
d62a17ae | 188 | /* RFC3137 stub router. Configured time to stay stub / max-metric */ |
189 | unsigned int stub_router_startup_time; /* seconds */ | |
190 | unsigned int stub_router_shutdown_time; /* seconds */ | |
88d6cf37 | 191 | #define OSPF_STUB_ROUTER_UNCONFIGURED 0 |
d7c0a89a | 192 | uint8_t stub_router_admin_set; |
4ba4fc85 AB |
193 | #define OSPF_STUB_ROUTER_ADMINISTRATIVE_SET 1 |
194 | #define OSPF_STUB_ROUTER_ADMINISTRATIVE_UNSET 0 | |
88d6cf37 | 195 | |
b4154c14 JR |
196 | #define OSPF_STUB_MAX_METRIC_SUMMARY_COST 0x00ff0000 |
197 | ||
d62a17ae | 198 | /* LSA timers */ |
199 | unsigned int min_ls_interval; /* minimum delay between LSAs (in msec) */ | |
200 | unsigned int min_ls_arrival; /* minimum interarrival time between LSAs | |
201 | (in msec) */ | |
202 | ||
203 | /* SPF parameters */ | |
204 | unsigned int spf_delay; /* SPF delay time. */ | |
205 | unsigned int spf_holdtime; /* SPF hold time. */ | |
206 | unsigned int spf_max_holdtime; /* SPF maximum-holdtime */ | |
207 | unsigned int | |
208 | spf_hold_multiplier; /* Adaptive multiplier for hold time */ | |
209 | ||
210 | int default_originate; /* Default information originate. */ | |
718e3744 | 211 | #define DEFAULT_ORIGINATE_NONE 0 |
212 | #define DEFAULT_ORIGINATE_ZEBRA 1 | |
213 | #define DEFAULT_ORIGINATE_ALWAYS 2 | |
d7c0a89a | 214 | uint32_t ref_bandwidth; /* Reference Bandwidth (Kbps). */ |
d62a17ae | 215 | struct route_table *networks; /* OSPF config networks. */ |
216 | struct list *vlinks; /* Configured Virtual-Links. */ | |
217 | struct list *areas; /* OSPF areas. */ | |
218 | struct route_table *nbr_nbma; | |
219 | struct ospf_area *backbone; /* Pointer to the Backbone Area. */ | |
220 | ||
221 | struct list *oiflist; /* ospf interfaces */ | |
d7c0a89a | 222 | uint8_t passive_interface_default; /* passive-interface default */ |
d62a17ae | 223 | |
224 | /* LSDB of AS-external-LSAs. */ | |
225 | struct ospf_lsdb *lsdb; | |
226 | ||
227 | /* Flags. */ | |
d62a17ae | 228 | int ase_calc; /* ASE calculation flag. */ |
229 | ||
230 | struct list *opaque_lsa_self; /* Type-11 Opaque-LSAs */ | |
231 | ||
232 | /* Routing tables. */ | |
233 | struct route_table *old_table; /* Old routing table. */ | |
234 | struct route_table *new_table; /* Current routing table. */ | |
235 | ||
236 | struct route_table *old_rtrs; /* Old ABR/ASBR RT. */ | |
237 | struct route_table *new_rtrs; /* New ABR/ASBR RT. */ | |
238 | ||
239 | struct route_table *new_external_route; /* New External Route. */ | |
240 | struct route_table *old_external_route; /* Old External Route. */ | |
241 | ||
242 | struct route_table *external_lsas; /* Database of external LSAs, | |
243 | prefix is LSA's adv. network*/ | |
244 | ||
245 | /* Time stamps */ | |
246 | struct timeval ts_spf; /* SPF calculation time stamp. */ | |
247 | struct timeval ts_spf_duration; /* Execution time of last SPF */ | |
248 | ||
249 | struct route_table *maxage_lsa; /* List of MaxAge LSA for deletion. */ | |
250 | int redistribute; /* Num of redistributed protocols. */ | |
251 | ||
252 | /* Threads. */ | |
253 | struct thread *t_abr_task; /* ABR task timer. */ | |
254 | struct thread *t_asbr_check; /* ASBR check timer. */ | |
1c1c342d AC |
255 | struct thread *t_asbr_nssa_redist_update; /* ASBR NSSA redistribution |
256 | update timer. */ | |
d62a17ae | 257 | struct thread *t_distribute_update; /* Distirbute list update timer. */ |
258 | struct thread *t_spf_calc; /* SPF calculation timer. */ | |
259 | struct thread *t_ase_calc; /* ASE calculation timer. */ | |
d62a17ae | 260 | struct thread |
261 | *t_opaque_lsa_self; /* Type-11 Opaque-LSAs origin event. */ | |
cf9b9f77 | 262 | struct thread *t_sr_update; /* Segment Routing update timer */ |
d62a17ae | 263 | |
264 | unsigned int maxage_delay; /* Delay on Maxage remover timer, sec */ | |
265 | struct thread *t_maxage; /* MaxAge LSA remover timer. */ | |
266 | struct thread *t_maxage_walker; /* MaxAge LSA checking timer. */ | |
267 | ||
268 | struct thread | |
269 | *t_deferred_shutdown; /* deferred/stub-router shutdown timer*/ | |
270 | ||
271 | struct thread *t_write; | |
e8f45e82 | 272 | #define OSPF_WRITE_INTERFACE_COUNT_DEFAULT 20 |
1febb13d S |
273 | struct thread *t_default_routemap_timer; |
274 | ||
d62a17ae | 275 | int write_oi_count; /* Num of packets sent per thread invocation */ |
276 | struct thread *t_read; | |
277 | int fd; | |
278 | struct stream *ibuf; | |
279 | struct list *oi_write_q; | |
280 | ||
281 | /* Distribute lists out of other route sources. */ | |
282 | struct { | |
283 | char *name; | |
284 | struct access_list *list; | |
285 | } dlist[ZEBRA_ROUTE_MAX]; | |
020709f9 | 286 | #define DISTRIBUTE_NAME(O,T) (O)->dlist[T].name |
287 | #define DISTRIBUTE_LIST(O,T) (O)->dlist[T].list | |
718e3744 | 288 | |
d62a17ae | 289 | /* OSPF redistribute configuration */ |
290 | struct list *redist[ZEBRA_ROUTE_MAX + 1]; | |
718e3744 | 291 | |
d62a17ae | 292 | /* Redistribute tag info. */ |
293 | route_tag_t | |
294 | dtag[ZEBRA_ROUTE_MAX + 1]; // Pending: cant configure as of now | |
0d9551dc | 295 | |
d62a17ae | 296 | int default_metric; /* Default metric for redistribute. */ |
718e3744 | 297 | |
298 | #define OSPF_LSA_REFRESHER_GRANULARITY 10 | |
d62a17ae | 299 | #define OSPF_LSA_REFRESHER_SLOTS \ |
300 | ((OSPF_LS_REFRESH_TIME + OSPF_LS_REFRESH_SHIFT) \ | |
301 | / OSPF_LSA_REFRESHER_GRANULARITY \ | |
302 | + 1) | |
303 | struct { | |
d7c0a89a | 304 | uint16_t index; |
d62a17ae | 305 | struct list *qs[OSPF_LSA_REFRESHER_SLOTS]; |
306 | } lsa_refresh_queue; | |
307 | ||
308 | struct thread *t_lsa_refresher; | |
309 | time_t lsa_refresher_started; | |
718e3744 | 310 | #define OSPF_LSA_REFRESH_INTERVAL_DEFAULT 10 |
d7c0a89a | 311 | uint16_t lsa_refresh_interval; |
d62a17ae | 312 | |
313 | /* Distance parameter. */ | |
d7c0a89a QY |
314 | uint8_t distance_all; |
315 | uint8_t distance_intra; | |
316 | uint8_t distance_inter; | |
317 | uint8_t distance_external; | |
d62a17ae | 318 | |
319 | /* Statistics for LSA origination. */ | |
d7c0a89a | 320 | uint32_t lsa_originate_count; |
d62a17ae | 321 | |
322 | /* Statistics for LSA used for new instantiation. */ | |
d7c0a89a | 323 | uint32_t rx_lsa_count; |
d62a17ae | 324 | |
d62a17ae | 325 | struct route_table *distance_table; |
326 | ||
046460a1 CS |
327 | /* Used during ospf instance going down send LSDB |
328 | * update to neighbors immediatly */ | |
329 | uint8_t inst_shutdown; | |
330 | ||
a92706bb JU |
331 | /* Enable or disable sending proactive ARP requests. */ |
332 | bool proactive_arp; | |
333 | #define OSPF_PROACTIVE_ARP_DEFAULT true | |
334 | ||
de1ac5fd CS |
335 | /* Redistributed external information. */ |
336 | struct list *external[ZEBRA_ROUTE_MAX + 1]; | |
f96f2713 | 337 | #define EXTERNAL_INFO(E) (E->external_info) |
338 | ||
339 | /* Gracefull restart Helper supported configs*/ | |
340 | /* Supported grace interval*/ | |
341 | uint32_t supported_grace_time; | |
342 | ||
343 | /* Helper support | |
344 | * Supported : True | |
345 | * Not Supported : False. | |
346 | */ | |
347 | bool is_helper_supported; | |
348 | ||
349 | /* Support for strict LSA check. | |
350 | * if it is set,Helper aborted | |
351 | * upon a TOPO change. | |
352 | */ | |
353 | bool strict_lsa_check; | |
354 | ||
355 | /* Support as HELPER only for | |
356 | * planned restarts. | |
357 | */ | |
358 | bool only_planned_restart; | |
359 | ||
360 | /* This list contains the advertisement | |
361 | * routerids which are not support for HELPERs. | |
362 | */ | |
363 | struct hash *enable_rtr_list; | |
364 | ||
365 | /* HELPER for number of active | |
366 | * RESTARTERs. | |
367 | */ | |
368 | uint16_t active_restarter_cnt; | |
369 | ||
370 | /* last HELPER exit reason */ | |
371 | uint32_t last_exit_reason; | |
de1ac5fd | 372 | |
cb2bc4cb | 373 | /* delay timer to process external routes |
374 | * with summary address. | |
375 | */ | |
376 | struct thread *t_external_aggr; | |
377 | ||
378 | /* delay interval in seconds */ | |
379 | unsigned int aggr_delay_interval; | |
380 | ||
381 | /* Table of configured Aggregate addresses */ | |
382 | struct route_table *rt_aggr_tbl; | |
383 | ||
384 | /* used as argument for aggr delay | |
385 | * timer thread. | |
386 | */ | |
387 | int aggr_action; | |
388 | ||
3d5b9855 | 389 | /* Max number of multiple paths |
390 | * to support ECMP. | |
391 | */ | |
392 | uint16_t max_multipath; | |
393 | ||
132a782e | 394 | /* MPLS LDP-IGP Sync */ |
395 | struct ldp_sync_info_cmd ldp_sync_cmd; | |
396 | ||
10514170 RW |
397 | /* OSPF Graceful Restart info */ |
398 | struct ospf_gr_info gr_info; | |
399 | ||
7fd0729f G |
400 | /* TI-LFA support for all interfaces. */ |
401 | bool ti_lfa_enabled; | |
385a1e07 | 402 | enum protection_type ti_lfa_protection_type; |
7fd0729f | 403 | |
96244aca | 404 | QOBJ_FIELDS; |
718e3744 | 405 | }; |
96244aca | 406 | DECLARE_QOBJ_TYPE(ospf); |
718e3744 | 407 | |
bdcfd34a G |
408 | enum ospf_ti_lfa_p_q_space_adjacency { |
409 | OSPF_TI_LFA_P_Q_SPACE_ADJACENT, | |
410 | OSPF_TI_LFA_P_Q_SPACE_NON_ADJACENT, | |
411 | }; | |
412 | ||
7fd0729f G |
413 | enum ospf_ti_lfa_node_type { |
414 | OSPF_TI_LFA_UNDEFINED_NODE, | |
415 | OSPF_TI_LFA_PQ_NODE, | |
416 | OSPF_TI_LFA_P_NODE, | |
417 | OSPF_TI_LFA_Q_NODE, | |
418 | }; | |
419 | ||
420 | struct ospf_ti_lfa_node_info { | |
421 | struct vertex *node; | |
422 | enum ospf_ti_lfa_node_type type; | |
423 | struct in_addr nexthop; | |
424 | }; | |
425 | ||
bdcfd34a G |
426 | struct ospf_ti_lfa_inner_backup_path_info { |
427 | struct ospf_ti_lfa_node_info p_node_info; | |
428 | struct ospf_ti_lfa_node_info q_node_info; | |
429 | struct mpls_label_stack *label_stack; | |
430 | }; | |
431 | ||
385a1e07 G |
432 | struct protected_resource { |
433 | enum protection_type type; | |
434 | ||
435 | /* Link Protection */ | |
436 | struct router_lsa_link *link; | |
437 | ||
438 | /* Node Protection */ | |
439 | struct in_addr router_id; | |
440 | }; | |
441 | ||
960b9a53 | 442 | PREDECL_RBTREE_UNIQ(q_spaces); |
7fd0729f G |
443 | struct q_space { |
444 | struct vertex *root; | |
445 | struct list *vertex_list; | |
446 | struct mpls_label_stack *label_stack; | |
447 | struct in_addr nexthop; | |
9d3444f8 | 448 | struct list *pc_path; |
bdcfd34a G |
449 | struct ospf_ti_lfa_node_info *p_node_info; |
450 | struct ospf_ti_lfa_node_info *q_node_info; | |
7fd0729f G |
451 | struct q_spaces_item q_spaces_item; |
452 | }; | |
453 | ||
960b9a53 | 454 | PREDECL_RBTREE_UNIQ(p_spaces); |
7fd0729f G |
455 | struct p_space { |
456 | struct vertex *root; | |
385a1e07 | 457 | struct protected_resource *protected_resource; |
7fd0729f G |
458 | struct q_spaces_head *q_spaces; |
459 | struct list *vertex_list; | |
460 | struct vertex *pc_spf; | |
461 | struct list *pc_vertex_list; | |
462 | struct p_spaces_item p_spaces_item; | |
463 | }; | |
464 | ||
718e3744 | 465 | /* OSPF area structure. */ |
d62a17ae | 466 | struct ospf_area { |
467 | /* OSPF instance. */ | |
468 | struct ospf *ospf; | |
718e3744 | 469 | |
d62a17ae | 470 | /* Zebra interface list belonging to the area. */ |
471 | struct list *oiflist; | |
718e3744 | 472 | |
d62a17ae | 473 | /* Area ID. */ |
474 | struct in_addr area_id; | |
718e3744 | 475 | |
d62a17ae | 476 | /* Area ID format. */ |
477 | int area_id_fmt; | |
86573dcb QY |
478 | #define OSPF_AREA_ID_FMT_DOTTEDQUAD 1 |
479 | #define OSPF_AREA_ID_FMT_DECIMAL 2 | |
718e3744 | 480 | |
d62a17ae | 481 | /* Address range. */ |
482 | struct list *address_range; | |
718e3744 | 483 | |
d62a17ae | 484 | /* Configured variables. */ |
485 | int external_routing; /* ExternalRoutingCapability. */ | |
486 | int no_summary; /* Don't inject summaries into stub.*/ | |
487 | int shortcut_configured; /* Area configured as shortcut. */ | |
718e3744 | 488 | #define OSPF_SHORTCUT_DEFAULT 0 |
489 | #define OSPF_SHORTCUT_ENABLE 1 | |
490 | #define OSPF_SHORTCUT_DISABLE 2 | |
d62a17ae | 491 | int shortcut_capability; /* Other ABRs agree on S-bit */ |
d7c0a89a | 492 | uint32_t default_cost; /* StubDefaultCost. */ |
d62a17ae | 493 | int auth_type; /* Authentication type. */ |
c317eddb | 494 | int suppress_fa; /* Suppress forwarding address in NSSA ABR */ |
d62a17ae | 495 | |
d7c0a89a | 496 | uint8_t NSSATranslatorRole; /* NSSA configured role */ |
718e3744 | 497 | #define OSPF_NSSA_ROLE_NEVER 0 |
d4a53d58 | 498 | #define OSPF_NSSA_ROLE_CANDIDATE 1 |
499 | #define OSPF_NSSA_ROLE_ALWAYS 2 | |
d7c0a89a | 500 | uint8_t NSSATranslatorState; /* NSSA operational role */ |
d4a53d58 | 501 | #define OSPF_NSSA_TRANSLATE_DISABLED 0 |
502 | #define OSPF_NSSA_TRANSLATE_ENABLED 1 | |
d62a17ae | 503 | int NSSATranslatorStabilityInterval; |
504 | ||
d7c0a89a | 505 | uint8_t transit; /* TransitCapability. */ |
718e3744 | 506 | #define OSPF_TRANSIT_FALSE 0 |
507 | #define OSPF_TRANSIT_TRUE 1 | |
d62a17ae | 508 | struct route_table *ranges; /* Configured Area Ranges. */ |
509 | ||
510 | /* RFC3137 stub router state flags for area */ | |
d7c0a89a | 511 | uint8_t stub_router_state; |
88d6cf37 | 512 | #define OSPF_AREA_ADMIN_STUB_ROUTED (1 << 0) /* admin stub-router set */ |
513 | #define OSPF_AREA_IS_STUB_ROUTED (1 << 1) /* stub-router active */ | |
514 | #define OSPF_AREA_WAS_START_STUB_ROUTED (1 << 2) /* startup SR was done */ | |
d62a17ae | 515 | /* Area related LSDBs[Type1-4]. */ |
516 | struct ospf_lsdb *lsdb; | |
517 | ||
518 | /* Self-originated LSAs. */ | |
519 | struct ospf_lsa *router_lsa_self; | |
520 | struct list *opaque_lsa_self; /* Type-10 Opaque-LSAs */ | |
521 | ||
522 | /* Area announce list. */ | |
523 | struct { | |
524 | char *name; | |
525 | struct access_list *list; | |
526 | } _export; | |
dea04441 PJ |
527 | #define EXPORT_NAME(A) (A)->_export.name |
528 | #define EXPORT_LIST(A) (A)->_export.list | |
718e3744 | 529 | |
d62a17ae | 530 | /* Area acceptance list. */ |
531 | struct { | |
532 | char *name; | |
533 | struct access_list *list; | |
534 | } import; | |
718e3744 | 535 | #define IMPORT_NAME(A) (A)->import.name |
536 | #define IMPORT_LIST(A) (A)->import.list | |
537 | ||
d62a17ae | 538 | /* Type 3 LSA Area prefix-list. */ |
539 | struct { | |
540 | char *name; | |
541 | struct prefix_list *list; | |
542 | } plist_in; | |
718e3744 | 543 | #define PREFIX_LIST_IN(A) (A)->plist_in.list |
544 | #define PREFIX_NAME_IN(A) (A)->plist_in.name | |
545 | ||
d62a17ae | 546 | struct { |
547 | char *name; | |
548 | struct prefix_list *list; | |
549 | } plist_out; | |
718e3744 | 550 | #define PREFIX_LIST_OUT(A) (A)->plist_out.list |
551 | #define PREFIX_NAME_OUT(A) (A)->plist_out.name | |
552 | ||
d62a17ae | 553 | /* Shortest Path Tree. */ |
554 | struct vertex *spf; | |
81443a28 G |
555 | struct list *spf_vertex_list; |
556 | ||
6fc9528e G |
557 | bool spf_dry_run; /* flag for checking if the SPF calculation is |
558 | intended for the local RIB */ | |
559 | bool spf_root_node; /* flag for checking if the calculating node is the | |
560 | root node of the SPF tree */ | |
718e3744 | 561 | |
7fd0729f | 562 | /* TI-LFA protected link for SPF calculations */ |
385a1e07 | 563 | struct protected_resource *spf_protected_resource; |
7fd0729f G |
564 | |
565 | /* P/Q spaces for TI-LFA */ | |
566 | struct p_spaces_head *p_spaces; | |
567 | ||
d62a17ae | 568 | /* Threads. */ |
569 | struct thread *t_stub_router; /* Stub-router timer */ | |
570 | struct thread *t_opaque_lsa_self; /* Type-10 Opaque-LSAs origin. */ | |
718e3744 | 571 | |
d62a17ae | 572 | /* Statistics field. */ |
d7c0a89a | 573 | uint32_t spf_calculation; /* SPF Calculation Count. */ |
718e3744 | 574 | |
133e59cf G |
575 | /* reverse SPF (used for TI-LFA Q spaces) */ |
576 | bool spf_reversed; | |
577 | ||
d62a17ae | 578 | /* Time stamps. */ |
579 | struct timeval ts_spf; /* SPF calculation time stamp. */ | |
cf744958 | 580 | |
d62a17ae | 581 | /* Router count. */ |
d7c0a89a QY |
582 | uint32_t abr_count; /* ABR router in this area. */ |
583 | uint32_t asbr_count; /* ASBR router in this area. */ | |
718e3744 | 584 | |
d62a17ae | 585 | /* Counters. */ |
d7c0a89a QY |
586 | uint32_t act_ints; /* Active interfaces. */ |
587 | uint32_t full_nbrs; /* Fully adjacent neighbors. */ | |
588 | uint32_t full_vls; /* Fully adjacent virtual neighbors. */ | |
718e3744 | 589 | }; |
590 | ||
591 | /* OSPF config network structure. */ | |
d62a17ae | 592 | struct ospf_network { |
593 | /* Area ID. */ | |
594 | struct in_addr area_id; | |
595 | int area_id_fmt; | |
718e3744 | 596 | }; |
597 | ||
598 | /* OSPF NBMA neighbor structure. */ | |
d62a17ae | 599 | struct ospf_nbr_nbma { |
600 | /* Neighbor IP address. */ | |
601 | struct in_addr addr; | |
718e3744 | 602 | |
d62a17ae | 603 | /* OSPF interface. */ |
604 | struct ospf_interface *oi; | |
718e3744 | 605 | |
d62a17ae | 606 | /* OSPF neighbor structure. */ |
607 | struct ospf_neighbor *nbr; | |
718e3744 | 608 | |
d62a17ae | 609 | /* Neighbor priority. */ |
d7c0a89a | 610 | uint8_t priority; |
718e3744 | 611 | |
d62a17ae | 612 | /* Poll timer value. */ |
d7c0a89a | 613 | uint32_t v_poll; |
718e3744 | 614 | |
d62a17ae | 615 | /* Poll timer thread. */ |
616 | struct thread *t_poll; | |
718e3744 | 617 | |
d62a17ae | 618 | /* State change. */ |
d7c0a89a | 619 | uint32_t state_change; |
718e3744 | 620 | }; |
621 | ||
622 | /* Macro. */ | |
d62a17ae | 623 | #define OSPF_AREA_SAME(X, Y) \ |
624 | (memcmp((X->area_id), (Y->area_id), IPV4_MAX_BYTELEN) == 0) | |
718e3744 | 625 | |
020709f9 | 626 | #define IS_OSPF_ABR(O) ((O)->flags & OSPF_FLAG_ABR) |
627 | #define IS_OSPF_ASBR(O) ((O)->flags & OSPF_FLAG_ASBR) | |
718e3744 | 628 | |
629 | #define OSPF_IS_AREA_ID_BACKBONE(I) ((I).s_addr == OSPF_AREA_BACKBONE) | |
630 | #define OSPF_IS_AREA_BACKBONE(A) OSPF_IS_AREA_ID_BACKBONE ((A)->area_id) | |
631 | ||
632 | #ifdef roundup | |
633 | # define ROUNDUP(val, gran) roundup(val, gran) | |
d62a17ae | 634 | #else /* roundup */ |
718e3744 | 635 | # define ROUNDUP(val, gran) (((val) - 1 | (gran) - 1) + 1) |
636 | #endif /* roundup */ | |
637 | ||
d62a17ae | 638 | #define LSA_OPTIONS_GET(area) \ |
639 | (((area)->external_routing == OSPF_AREA_DEFAULT) ? OSPF_OPTION_E : 0) | |
640 | #define LSA_OPTIONS_NSSA_GET(area) \ | |
641 | (((area)->external_routing == OSPF_AREA_NSSA) ? OSPF_OPTION_NP : 0) | |
718e3744 | 642 | |
ffa2c898 QY |
643 | #define OSPF_TIMER_ON(T,F,V) thread_add_timer (master,(F),ospf,(V),&(T)) |
644 | #define OSPF_AREA_TIMER_ON(T,F,V) thread_add_timer (master, (F), area, (V), &(T)) | |
645 | #define OSPF_POLL_TIMER_ON(T,F,V) thread_add_timer (master, (F), nbr_nbma, (V), &(T)) | |
646 | #define OSPF_POLL_TIMER_OFF(X) OSPF_TIMER_OFF((X)) | |
b3d6bc6e | 647 | #define OSPF_TIMER_OFF(X) thread_cancel(&(X)) |
718e3744 | 648 | |
020709f9 | 649 | /* Extern variables. */ |
650 | extern struct ospf_master *om; | |
409f98ab | 651 | extern unsigned short ospf_instance; |
7ba82f70 | 652 | extern const int ospf_redistributed_proto_max; |
718e3744 | 653 | extern struct zclient *zclient; |
654 | extern struct thread_master *master; | |
718e3744 | 655 | extern int ospf_zlog; |
e5c25022 | 656 | extern struct zebra_privs_t ospfd_privs; |
718e3744 | 657 | |
658 | /* Prototypes. */ | |
d7c0a89a QY |
659 | extern const char *ospf_redist_string(unsigned int route_type); |
660 | extern struct ospf *ospf_lookup_instance(unsigned short); | |
409f98ab | 661 | extern struct ospf *ospf_lookup(unsigned short instance, const char *name); |
c572fbfe DL |
662 | extern struct ospf *ospf_get(unsigned short instance, const char *name, |
663 | bool *created); | |
7fd0729f | 664 | extern struct ospf *ospf_new_alloc(unsigned short instance, const char *name); |
d7c0a89a | 665 | extern struct ospf *ospf_lookup_by_inst_name(unsigned short instance, |
b5a8894d CS |
666 | const char *name); |
667 | extern struct ospf *ospf_lookup_by_vrf_id(vrf_id_t vrf_id); | |
cbf32f74 | 668 | extern uint32_t ospf_count_area_params(struct ospf *ospf); |
d62a17ae | 669 | extern void ospf_finish(struct ospf *); |
f91ce319 | 670 | extern void ospf_process_refresh_data(struct ospf *ospf, bool reset); |
d62a17ae | 671 | extern void ospf_router_id_update(struct ospf *ospf); |
f91ce319 MR |
672 | extern void ospf_process_reset(struct ospf *ospf); |
673 | extern void ospf_neighbor_reset(struct ospf *ospf, struct in_addr nbr_id, | |
674 | const char *nbr_str); | |
d62a17ae | 675 | extern int ospf_network_set(struct ospf *, struct prefix_ipv4 *, struct in_addr, |
676 | int); | |
677 | extern int ospf_network_unset(struct ospf *, struct prefix_ipv4 *, | |
678 | struct in_addr); | |
679 | extern int ospf_area_display_format_set(struct ospf *, struct ospf_area *area, | |
680 | int df); | |
681 | extern int ospf_area_stub_set(struct ospf *, struct in_addr); | |
682 | extern int ospf_area_stub_unset(struct ospf *, struct in_addr); | |
683 | extern int ospf_area_no_summary_set(struct ospf *, struct in_addr); | |
684 | extern int ospf_area_no_summary_unset(struct ospf *, struct in_addr); | |
685 | extern int ospf_area_nssa_set(struct ospf *, struct in_addr); | |
7ef56a73 | 686 | extern int ospf_area_nssa_unset(struct ospf *, struct in_addr, int); |
c317eddb | 687 | extern int ospf_area_nssa_suppress_fa_set(struct ospf *ospf, |
688 | struct in_addr area_id); | |
689 | extern int ospf_area_nssa_suppress_fa_unset(struct ospf *ospf, | |
690 | struct in_addr area_id); | |
d62a17ae | 691 | extern int ospf_area_nssa_translator_role_set(struct ospf *, struct in_addr, |
692 | int); | |
693 | extern int ospf_area_export_list_set(struct ospf *, struct ospf_area *, | |
694 | const char *); | |
695 | extern int ospf_area_export_list_unset(struct ospf *, struct ospf_area *); | |
696 | extern int ospf_area_import_list_set(struct ospf *, struct ospf_area *, | |
697 | const char *); | |
698 | extern int ospf_area_import_list_unset(struct ospf *, struct ospf_area *); | |
699 | extern int ospf_area_shortcut_set(struct ospf *, struct ospf_area *, int); | |
700 | extern int ospf_area_shortcut_unset(struct ospf *, struct ospf_area *); | |
701 | extern int ospf_timers_refresh_set(struct ospf *, int); | |
702 | extern int ospf_timers_refresh_unset(struct ospf *); | |
f91ce319 | 703 | void ospf_area_lsdb_discard_delete(struct ospf_area *area); |
d62a17ae | 704 | extern int ospf_nbr_nbma_set(struct ospf *, struct in_addr); |
705 | extern int ospf_nbr_nbma_unset(struct ospf *, struct in_addr); | |
d7c0a89a | 706 | extern int ospf_nbr_nbma_priority_set(struct ospf *, struct in_addr, uint8_t); |
d62a17ae | 707 | extern int ospf_nbr_nbma_priority_unset(struct ospf *, struct in_addr); |
708 | extern int ospf_nbr_nbma_poll_interval_set(struct ospf *, struct in_addr, | |
709 | unsigned int); | |
710 | extern int ospf_nbr_nbma_poll_interval_unset(struct ospf *, struct in_addr); | |
711 | extern void ospf_prefix_list_update(struct prefix_list *); | |
d62a17ae | 712 | extern void ospf_if_update(struct ospf *, struct interface *); |
713 | extern void ospf_ls_upd_queue_empty(struct ospf_interface *); | |
714 | extern void ospf_terminate(void); | |
715 | extern void ospf_nbr_nbma_if_update(struct ospf *, struct ospf_interface *); | |
716 | extern struct ospf_nbr_nbma *ospf_nbr_nbma_lookup(struct ospf *, | |
717 | struct in_addr); | |
d62a17ae | 718 | extern int ospf_oi_count(struct interface *); |
719 | ||
7fd0729f G |
720 | extern struct ospf_area *ospf_area_new(struct ospf *ospf, |
721 | struct in_addr area_id); | |
d62a17ae | 722 | extern struct ospf_area *ospf_area_get(struct ospf *, struct in_addr); |
723 | extern void ospf_area_check_free(struct ospf *, struct in_addr); | |
724 | extern struct ospf_area *ospf_area_lookup_by_area_id(struct ospf *, | |
725 | struct in_addr); | |
726 | extern void ospf_area_add_if(struct ospf_area *, struct ospf_interface *); | |
727 | extern void ospf_area_del_if(struct ospf_area *, struct ospf_interface *); | |
728 | ||
b5a8894d CS |
729 | extern void ospf_interface_area_set(struct ospf *, struct interface *); |
730 | extern void ospf_interface_area_unset(struct ospf *, struct interface *); | |
d62a17ae | 731 | |
732 | extern void ospf_route_map_init(void); | |
733 | ||
734 | extern void ospf_master_init(struct thread_master *master); | |
b5a8894d CS |
735 | extern void ospf_vrf_init(void); |
736 | extern void ospf_vrf_terminate(void); | |
737 | extern void ospf_vrf_link(struct ospf *ospf, struct vrf *vrf); | |
738 | extern void ospf_vrf_unlink(struct ospf *ospf, struct vrf *vrf); | |
739 | const char *ospf_vrf_id_to_name(vrf_id_t vrf_id); | |
7ef56a73 CS |
740 | int ospf_area_nssa_no_summary_set(struct ospf *, struct in_addr); |
741 | ||
88b6b28e | 742 | const char *ospf_get_name(const struct ospf *ospf); |
7fd0729f G |
743 | extern struct ospf_interface *add_ospf_interface(struct connected *co, |
744 | struct ospf_area *area); | |
745 | ||
746 | extern int p_spaces_compare_func(const struct p_space *a, | |
747 | const struct p_space *b); | |
748 | extern int q_spaces_compare_func(const struct q_space *a, | |
749 | const struct q_space *b); | |
a623b526 | 750 | |
718e3744 | 751 | #endif /* _ZEBRA_OSPFD_H */ |