]>
Commit | Line | Data |
---|---|---|
718e3744 | 1 | /* BGP message definition header. |
2 | Copyright (C) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro | |
3 | ||
4 | This file is part of GNU Zebra. | |
5 | ||
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 | |
9 | later version. | |
10 | ||
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. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
00d252cb | 21 | #ifndef _QUAGGA_BGPD_H |
22 | #define _QUAGGA_BGPD_H | |
23 | ||
856ca177 | 24 | #include "lib/json.h" |
6aeb9e78 DS |
25 | #include "vrf.h" |
26 | ||
718e3744 | 27 | /* For union sockunion. */ |
3f9c7369 | 28 | #include "queue.h" |
718e3744 | 29 | #include "sockunion.h" |
518f0eb1 | 30 | #include "routemap.h" |
ffd0c037 | 31 | #include "linklist.h" |
718e3744 | 32 | |
04b6bdc0 DW |
33 | #define BGP_MAX_HOSTNAME 64 /* Linux max, is larger than most other sys */ |
34 | ||
3f9c7369 DS |
35 | struct update_subgroup; |
36 | struct bpacket; | |
37 | ||
0299c004 DS |
38 | /* |
39 | * Allow the neighbor XXXX remote-as to take internal or external | |
40 | * AS_SPECIFIED is zero to auto-inherit original non-feature/enhancement behavior | |
41 | * in the system. | |
42 | */ | |
43 | enum { | |
44 | AS_UNSPECIFIED = 0, | |
45 | AS_SPECIFIED, | |
46 | AS_INTERNAL, | |
47 | AS_EXTERNAL, | |
48 | }; | |
49 | ||
718e3744 | 50 | /* Typedef BGP specific types. */ |
0b2aa3a0 PJ |
51 | typedef u_int32_t as_t; |
52 | typedef u_int16_t as16_t; /* we may still encounter 16 Bit asnums */ | |
718e3744 | 53 | typedef u_int16_t bgp_size_t; |
54 | ||
3f9c7369 DS |
55 | #define max(a,b) \ |
56 | ({ __typeof__ (a) _a = (a); \ | |
57 | __typeof__ (b) _b = (b); \ | |
58 | _a > _b ? _a : _b; }) | |
59 | ||
60 | enum bgp_af_index | |
61 | { | |
62 | BGP_AF_START, | |
63 | BGP_AF_IPV4_UNICAST = BGP_AF_START, | |
64 | BGP_AF_IPV4_MULTICAST, | |
65 | BGP_AF_IPV4_VPN, | |
66 | BGP_AF_IPV6_UNICAST, | |
67 | BGP_AF_IPV6_MULTICAST, | |
68 | BGP_AF_MAX | |
69 | }; | |
70 | ||
71 | #define AF_FOREACH(af) \ | |
72 | for ((af) = BGP_AF_START; (af) < BGP_AF_MAX; (af)++) | |
73 | ||
74 | #define FOREACH_AFI_SAFI(afi, safi) \ | |
75 | for (afi = AFI_IP; afi < AFI_MAX; afi++) \ | |
76 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
77 | ||
718e3744 | 78 | /* BGP master for system wide configurations and variables. */ |
79 | struct bgp_master | |
80 | { | |
81 | /* BGP instance list. */ | |
82 | struct list *bgp; | |
83 | ||
87d4a781 DS |
84 | /* BGP thread master. */ |
85 | struct thread_master *master; | |
86 | ||
200df115 | 87 | /* work queues */ |
88 | struct work_queue *process_main_queue; | |
200df115 | 89 | |
0df7c91f PJ |
90 | /* Listening sockets */ |
91 | struct list *listen_sockets; | |
92 | ||
718e3744 | 93 | /* BGP port number. */ |
94 | u_int16_t port; | |
95 | ||
3a02d1f7 PJ |
96 | /* Listener address */ |
97 | char *address; | |
98 | ||
718e3744 | 99 | /* BGP start time. */ |
100 | time_t start_time; | |
101 | ||
102 | /* Various BGP global configuration. */ | |
103 | u_char options; | |
104 | #define BGP_OPT_NO_FIB (1 << 0) | |
105 | #define BGP_OPT_MULTIPLE_INSTANCE (1 << 1) | |
106 | #define BGP_OPT_CONFIG_CISCO (1 << 2) | |
cccbc015 | 107 | #define BGP_OPT_NO_LISTEN (1 << 3) |
3f9c7369 DS |
108 | |
109 | u_int64_t updgrp_idspace; | |
110 | u_int64_t subgrp_idspace; | |
5fe9f963 | 111 | |
112 | /* timer to dampen route map changes */ | |
113 | struct thread *t_rmap_update; /* Handle route map updates */ | |
114 | u_int32_t rmap_update_timer; /* Route map update timer */ | |
115 | #define RMAP_DEFAULT_UPDATE_TIMER 5 /* disabled by default */ | |
718e3744 | 116 | }; |
117 | ||
73ac8160 DS |
118 | /* BGP route-map structure. */ |
119 | struct bgp_rmap | |
120 | { | |
121 | char *name; | |
122 | struct route_map *map; | |
123 | }; | |
124 | ||
7c8ff89e DS |
125 | struct bgp_redist |
126 | { | |
127 | u_short instance; | |
128 | ||
129 | /* BGP redistribute metric configuration. */ | |
130 | u_char redist_metric_flag; | |
131 | u_int32_t redist_metric; | |
132 | ||
133 | /* BGP redistribute route-map. */ | |
134 | struct bgp_rmap rmap; | |
135 | }; | |
136 | ||
ad4cbda1 | 137 | /* |
138 | * Type of 'struct bgp'. | |
139 | * - Default: The default instance | |
140 | * - VRF: A specific (non-default) VRF | |
141 | * - View: An instance used for route exchange | |
142 | * The "default" instance is treated separately to simplify the code. Note | |
143 | * that if deployed in a Multi-VRF environment, it may not exist. | |
144 | */ | |
145 | enum bgp_instance_type | |
146 | { | |
147 | BGP_INSTANCE_TYPE_DEFAULT, | |
148 | BGP_INSTANCE_TYPE_VRF, | |
149 | BGP_INSTANCE_TYPE_VIEW | |
150 | }; | |
151 | ||
718e3744 | 152 | /* BGP instance structure. */ |
153 | struct bgp | |
154 | { | |
155 | /* AS number of this BGP instance. */ | |
156 | as_t as; | |
157 | ||
158 | /* Name of this BGP instance. */ | |
159 | char *name; | |
6aeb9e78 | 160 | |
ad4cbda1 | 161 | /* Type of instance and VRF id. */ |
162 | enum bgp_instance_type inst_type; | |
6aeb9e78 | 163 | vrf_id_t vrf_id; |
200df115 | 164 | |
0088b5dc SH |
165 | /* Reference count to allow peer_delete to finish after bgp_delete */ |
166 | int lock; | |
167 | ||
718e3744 | 168 | /* Self peer. */ |
169 | struct peer *peer_self; | |
170 | ||
171 | /* BGP peer. */ | |
172 | struct list *peer; | |
dd793e4a | 173 | struct hash *peerhash; |
718e3744 | 174 | |
175 | /* BGP peer group. */ | |
176 | struct list *group; | |
177 | ||
f14e6fdb DS |
178 | /* The maximum number of BGP dynamic neighbors that can be created */ |
179 | int dynamic_neighbors_limit; | |
180 | ||
181 | /* The current number of BGP dynamic neighbors */ | |
182 | int dynamic_neighbors_count; | |
183 | ||
3f9c7369 DS |
184 | struct hash *update_groups[BGP_AF_MAX]; |
185 | ||
186 | /* | |
187 | * Global statistics for update groups. | |
188 | */ | |
189 | struct { | |
190 | u_int32_t join_events; | |
191 | u_int32_t prune_events; | |
192 | u_int32_t merge_events; | |
193 | u_int32_t split_events; | |
194 | u_int32_t updgrp_switch_events; | |
195 | u_int32_t peer_refreshes_combined; | |
196 | u_int32_t adj_count; | |
197 | u_int32_t merge_checks_triggered; | |
198 | ||
199 | u_int32_t updgrps_created; | |
200 | u_int32_t updgrps_deleted; | |
201 | u_int32_t subgrps_created; | |
202 | u_int32_t subgrps_deleted; | |
203 | } update_group_stats; | |
204 | ||
718e3744 | 205 | /* BGP configuration. */ |
206 | u_int16_t config; | |
c2d58d6d | 207 | #define BGP_CONFIG_CLUSTER_ID (1 << 0) |
208 | #define BGP_CONFIG_CONFEDERATION (1 << 1) | |
718e3744 | 209 | |
210 | /* BGP router identifier. */ | |
211 | struct in_addr router_id; | |
18a6dce6 | 212 | struct in_addr router_id_static; |
6aeb9e78 | 213 | struct in_addr router_id_zebra; |
718e3744 | 214 | |
215 | /* BGP route reflector cluster ID. */ | |
216 | struct in_addr cluster_id; | |
217 | ||
218 | /* BGP confederation information. */ | |
219 | as_t confed_id; | |
220 | as_t *confed_peers; | |
221 | int confed_peers_cnt; | |
222 | ||
abc920f8 DS |
223 | struct thread *t_startup; /* start-up timer on only once at the beginning */ |
224 | ||
225 | u_int32_t v_maxmed_onstartup; /* Duration of max-med on start-up */ | |
226 | #define BGP_MAXMED_ONSTARTUP_UNCONFIGURED 0 /* 0 means off, its the default */ | |
227 | u_int32_t maxmed_onstartup_value; /* Max-med value when active on start-up */ | |
228 | struct thread *t_maxmed_onstartup; /* non-null when max-med onstartup is on */ | |
229 | u_char maxmed_onstartup_over; /* Flag to make it effective only once */ | |
230 | ||
231 | u_char v_maxmed_admin; /* 1/0 if max-med administrative is on/off */ | |
232 | #define BGP_MAXMED_ADMIN_UNCONFIGURED 0 /* Off by default */ | |
233 | u_int32_t maxmed_admin_value; /* Max-med value when administrative in on */ | |
234 | #define BGP_MAXMED_VALUE_DEFAULT 4294967294 /* Maximum by default */ | |
235 | ||
236 | u_char maxmed_active; /* 1/0 if max-med is active or not */ | |
237 | u_int32_t maxmed_value; /* Max-med value when its active */ | |
fe7d2a48 | 238 | |
f188f2c4 DS |
239 | /* BGP update delay on startup */ |
240 | struct thread *t_update_delay; | |
241 | struct thread *t_establish_wait; | |
242 | u_char update_delay_over; | |
4a16ae86 DS |
243 | u_char main_zebra_update_hold; |
244 | u_char main_peers_update_hold; | |
f188f2c4 DS |
245 | u_int16_t v_update_delay; |
246 | u_int16_t v_establish_wait; | |
247 | char update_delay_begin_time[64]; | |
248 | char update_delay_end_time[64]; | |
4a16ae86 DS |
249 | char update_delay_zebra_resume_time[64]; |
250 | char update_delay_peers_resume_time[64]; | |
f188f2c4 DS |
251 | u_int32_t established; |
252 | u_int32_t restarted_peers; | |
253 | u_int32_t implicit_eors; | |
254 | u_int32_t explicit_eors; | |
255 | #define BGP_UPDATE_DELAY_DEF 0 | |
256 | #define BGP_UPDATE_DELAY_MIN 0 | |
257 | #define BGP_UPDATE_DELAY_MAX 3600 | |
258 | ||
718e3744 | 259 | /* BGP flags. */ |
8bd9d948 | 260 | u_int32_t flags; |
718e3744 | 261 | #define BGP_FLAG_ALWAYS_COMPARE_MED (1 << 0) |
262 | #define BGP_FLAG_DETERMINISTIC_MED (1 << 1) | |
263 | #define BGP_FLAG_MED_MISSING_AS_WORST (1 << 2) | |
264 | #define BGP_FLAG_MED_CONFED (1 << 3) | |
265 | #define BGP_FLAG_NO_DEFAULT_IPV4 (1 << 4) | |
266 | #define BGP_FLAG_NO_CLIENT_TO_CLIENT (1 << 5) | |
267 | #define BGP_FLAG_ENFORCE_FIRST_AS (1 << 6) | |
268 | #define BGP_FLAG_COMPARE_ROUTER_ID (1 << 7) | |
269 | #define BGP_FLAG_ASPATH_IGNORE (1 << 8) | |
270 | #define BGP_FLAG_IMPORT_CHECK (1 << 9) | |
271 | #define BGP_FLAG_NO_FAST_EXT_FAILOVER (1 << 10) | |
848973c7 | 272 | #define BGP_FLAG_LOG_NEIGHBOR_CHANGES (1 << 11) |
538621f2 | 273 | #define BGP_FLAG_GRACEFUL_RESTART (1 << 12) |
6811845b | 274 | #define BGP_FLAG_ASPATH_CONFED (1 << 13) |
2fdd455c | 275 | #define BGP_FLAG_ASPATH_MULTIPATH_RELAX (1 << 14) |
8bd9d948 | 276 | #define BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY (1 << 15) |
907f92c8 | 277 | #define BGP_FLAG_DISABLE_NH_CONNECTED_CHK (1 << 16) |
219178b6 | 278 | #define BGP_FLAG_MULTIPATH_RELAX_AS_SET (1 << 17) |
078430f6 | 279 | #define BGP_FLAG_FORCE_STATIC_PROCESS (1 << 18) |
5623e905 | 280 | #define BGP_FLAG_SHOW_HOSTNAME (1 << 19) |
718e3744 | 281 | |
282 | /* BGP Per AF flags */ | |
283 | u_int16_t af_flags[AFI_MAX][SAFI_MAX]; | |
284 | #define BGP_CONFIG_DAMPENING (1 << 0) | |
285 | ||
6aeb9e78 DS |
286 | /* Route table for next-hop lookup cache. */ |
287 | struct bgp_table *nexthop_cache_table[AFI_MAX]; | |
288 | ||
289 | /* Route table for import-check */ | |
290 | struct bgp_table *import_check_table[AFI_MAX]; | |
291 | ||
292 | struct bgp_table *connected_table[AFI_MAX]; | |
293 | ||
294 | struct hash *address_hash; | |
295 | ||
718e3744 | 296 | /* Static route configuration. */ |
297 | struct bgp_table *route[AFI_MAX][SAFI_MAX]; | |
298 | ||
299 | /* Aggregate address configuration. */ | |
300 | struct bgp_table *aggregate[AFI_MAX][SAFI_MAX]; | |
301 | ||
302 | /* BGP routing information base. */ | |
303 | struct bgp_table *rib[AFI_MAX][SAFI_MAX]; | |
304 | ||
73ac8160 DS |
305 | /* BGP table route-map. */ |
306 | struct bgp_rmap table_map[AFI_MAX][SAFI_MAX]; | |
307 | ||
718e3744 | 308 | /* BGP redistribute configuration. */ |
7c8ff89e | 309 | struct list *redist[AFI_MAX][ZEBRA_ROUTE_MAX]; |
718e3744 | 310 | |
0de4848d DS |
311 | /* timer to re-evaluate neighbor default-originate route-maps */ |
312 | struct thread *t_rmap_def_originate_eval; | |
313 | #define RMAP_DEFAULT_ORIGINATE_EVAL_TIMER 5 | |
314 | ||
718e3744 | 315 | /* BGP distance configuration. */ |
316 | u_char distance_ebgp; | |
317 | u_char distance_ibgp; | |
318 | u_char distance_local; | |
319 | ||
320 | /* BGP default local-preference. */ | |
321 | u_int32_t default_local_pref; | |
322 | ||
3f9c7369 DS |
323 | /* BGP default subgroup pkt queue max */ |
324 | u_int32_t default_subgroup_pkt_queue_max; | |
325 | ||
718e3744 | 326 | /* BGP default timer. */ |
327 | u_int32_t default_holdtime; | |
328 | u_int32_t default_keepalive; | |
538621f2 | 329 | |
330 | /* BGP graceful restart */ | |
93406d87 | 331 | u_int32_t restart_time; |
332 | u_int32_t stalepath_time; | |
165b5fff JB |
333 | |
334 | /* Maximum-paths configuration */ | |
335 | struct bgp_maxpaths_cfg { | |
336 | u_int16_t maxpaths_ebgp; | |
337 | u_int16_t maxpaths_ibgp; | |
5e242b0d DS |
338 | u_int16_t ibgp_flags; |
339 | #define BGP_FLAG_IBGP_MULTIPATH_SAME_CLUSTERLEN (1 << 0) | |
165b5fff | 340 | } maxpaths[AFI_MAX][SAFI_MAX]; |
cb1faec9 DS |
341 | |
342 | u_int32_t wpkt_quanta; /* per peer packet quanta to write */ | |
3f9c7369 | 343 | u_int32_t coalesce_time; |
adbac85e DW |
344 | |
345 | u_int32_t addpath_tx_id; | |
346 | int addpath_tx_used[AFI_MAX][SAFI_MAX]; | |
718e3744 | 347 | }; |
348 | ||
2a3d5731 | 349 | #define BGP_ROUTE_ADV_HOLD(bgp) (bgp->main_peers_update_hold) |
d889623f | 350 | |
ad4cbda1 | 351 | #define IS_BGP_INST_KNOWN_TO_ZEBRA(bgp) \ |
352 | (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT || \ | |
353 | (bgp->inst_type == BGP_INSTANCE_TYPE_VRF && bgp->vrf_id != VRF_DEFAULT)) | |
354 | ||
718e3744 | 355 | /* BGP peer-group support. */ |
356 | struct peer_group | |
357 | { | |
358 | /* Name of the peer-group. */ | |
359 | char *name; | |
360 | ||
361 | /* Pointer to BGP. */ | |
362 | struct bgp *bgp; | |
363 | ||
364 | /* Peer-group client list. */ | |
365 | struct list *peer; | |
366 | ||
f14e6fdb DS |
367 | /** Dynamic neighbor listening ranges */ |
368 | struct list *listen_range[AFI_MAX]; | |
369 | ||
718e3744 | 370 | /* Peer-group config */ |
371 | struct peer *conf; | |
372 | }; | |
373 | ||
374 | /* BGP Notify message format. */ | |
375 | struct bgp_notify | |
376 | { | |
377 | u_char code; | |
378 | u_char subcode; | |
379 | char *data; | |
380 | bgp_size_t length; | |
381 | }; | |
382 | ||
383 | /* Next hop self address. */ | |
384 | struct bgp_nexthop | |
385 | { | |
386 | struct interface *ifp; | |
387 | struct in_addr v4; | |
388 | #ifdef HAVE_IPV6 | |
389 | struct in6_addr v6_global; | |
390 | struct in6_addr v6_local; | |
391 | #endif /* HAVE_IPV6 */ | |
392 | }; | |
393 | ||
a82478b9 DS |
394 | /* BGP addpath values */ |
395 | #define BGP_ADDPATH_RX 1 | |
396 | #define BGP_ADDPATH_TX 2 | |
397 | #define BGP_ADDPATH_ID_LEN 4 | |
398 | ||
adbac85e DW |
399 | #define BGP_ADDPATH_TX_ID_FOR_DEFAULT_ORIGINATE 1 |
400 | ||
718e3744 | 401 | /* BGP router distinguisher value. */ |
402 | #define BGP_RD_SIZE 8 | |
403 | ||
404 | struct bgp_rd | |
405 | { | |
406 | u_char val[BGP_RD_SIZE]; | |
407 | }; | |
408 | ||
2a3d5731 DW |
409 | #define RMAP_IN 0 |
410 | #define RMAP_OUT 1 | |
411 | #define RMAP_MAX 2 | |
fee0f4c6 | 412 | |
718e3744 | 413 | /* BGP filter structure. */ |
414 | struct bgp_filter | |
415 | { | |
416 | /* Distribute-list. */ | |
417 | struct | |
418 | { | |
419 | char *name; | |
420 | struct access_list *alist; | |
421 | } dlist[FILTER_MAX]; | |
422 | ||
423 | /* Prefix-list. */ | |
424 | struct | |
425 | { | |
426 | char *name; | |
427 | struct prefix_list *plist; | |
428 | } plist[FILTER_MAX]; | |
429 | ||
430 | /* Filter-list. */ | |
431 | struct | |
432 | { | |
433 | char *name; | |
434 | struct as_list *aslist; | |
435 | } aslist[FILTER_MAX]; | |
436 | ||
437 | /* Route-map. */ | |
438 | struct | |
439 | { | |
440 | char *name; | |
441 | struct route_map *map; | |
fee0f4c6 | 442 | } map[RMAP_MAX]; |
718e3744 | 443 | |
444 | /* Unsuppress-map. */ | |
445 | struct | |
446 | { | |
447 | char *name; | |
448 | struct route_map *map; | |
449 | } usmap; | |
450 | }; | |
451 | ||
6d85b15b JBD |
452 | /* IBGP/EBGP identifier. We also have a CONFED peer, which is to say, |
453 | a peer who's AS is part of our Confederation. */ | |
454 | typedef enum | |
455 | { | |
456 | BGP_PEER_IBGP = 1, | |
457 | BGP_PEER_EBGP, | |
458 | BGP_PEER_INTERNAL, | |
459 | BGP_PEER_CONFED, | |
460 | } bgp_peer_sort_t; | |
461 | ||
d6661008 DS |
462 | /* BGP message header and packet size. */ |
463 | #define BGP_MARKER_SIZE 16 | |
464 | #define BGP_HEADER_SIZE 19 | |
465 | #define BGP_MAX_PACKET_SIZE 4096 | |
0a91ff55 | 466 | #define BGP_MAX_PACKET_SIZE_OVERFLOW 1024 |
d6661008 | 467 | |
3f9c7369 DS |
468 | /* |
469 | * Trigger delay for bgp_announce_route(). | |
470 | */ | |
471 | #define BGP_ANNOUNCE_ROUTE_SHORT_DELAY_MS 100 | |
472 | #define BGP_ANNOUNCE_ROUTE_DELAY_MS 500 | |
473 | ||
474 | struct peer_af | |
475 | { | |
476 | /* back pointer to the peer */ | |
477 | struct peer *peer; | |
478 | ||
479 | /* which subgroup the peer_af belongs to */ | |
480 | struct update_subgroup *subgroup; | |
481 | ||
482 | /* for being part of an update subgroup's peer list */ | |
483 | LIST_ENTRY(peer_af) subgrp_train; | |
484 | ||
485 | /* for being part of a packet's peer list */ | |
486 | LIST_ENTRY(peer_af) pkt_train; | |
487 | ||
488 | struct bpacket *next_pkt_to_send; | |
489 | ||
490 | /* | |
491 | * Trigger timer for bgp_announce_route(). | |
492 | */ | |
493 | struct thread *t_announce_route; | |
494 | ||
495 | afi_t afi; | |
496 | safi_t safi; | |
497 | int afid; | |
498 | }; | |
499 | ||
718e3744 | 500 | /* BGP neighbor structure. */ |
501 | struct peer | |
502 | { | |
503 | /* BGP structure. */ | |
504 | struct bgp *bgp; | |
505 | ||
200df115 | 506 | /* reference count, primarily to allow bgp_process'ing of route_node's |
507 | * to be done after a struct peer is deleted. | |
508 | * | |
509 | * named 'lock' for hysterical reasons within Quagga. | |
510 | */ | |
511 | int lock; | |
512 | ||
718e3744 | 513 | /* BGP peer group. */ |
514 | struct peer_group *group; | |
3f9c7369 DS |
515 | u_int64_t version[AFI_MAX][SAFI_MAX]; |
516 | ||
517 | /* BGP peer_af structures, per configured AF on this peer */ | |
518 | struct peer_af *peer_af_array[BGP_AF_MAX]; | |
718e3744 | 519 | |
520 | /* Peer's remote AS number. */ | |
0299c004 DS |
521 | int as_type; |
522 | as_t as; | |
718e3744 | 523 | |
524 | /* Peer's local AS number. */ | |
525 | as_t local_as; | |
526 | ||
6d85b15b JBD |
527 | bgp_peer_sort_t sort; |
528 | ||
718e3744 | 529 | /* Peer's Change local AS number. */ |
530 | as_t change_local_as; | |
531 | ||
532 | /* Remote router ID. */ | |
533 | struct in_addr remote_id; | |
534 | ||
535 | /* Local router ID. */ | |
536 | struct in_addr local_id; | |
537 | ||
538 | /* Packet receive and send buffer. */ | |
539 | struct stream *ibuf; | |
540 | struct stream_fifo *obuf; | |
541 | struct stream *work; | |
542 | ||
8c71e481 PM |
543 | /* We use a separate stream to encode MP_REACH_NLRI for efficient |
544 | * NLRI packing. peer->work stores all the other attributes. The | |
545 | * actual packet is then constructed by concatenating the two. | |
546 | */ | |
547 | struct stream *scratch; | |
548 | ||
1ff9a340 DS |
549 | /* the doppelganger peer structure, due to dual TCP conn setup */ |
550 | struct peer *doppelganger; | |
551 | ||
718e3744 | 552 | /* Status of the peer. */ |
553 | int status; | |
554 | int ostatus; | |
555 | ||
6403814c DS |
556 | /* FSM events, stored for debug purposes. |
557 | * Note: uchar used for reduced memory usage. | |
558 | */ | |
559 | unsigned char cur_event; | |
560 | unsigned char last_event; | |
561 | unsigned char last_major_event; | |
562 | ||
0b2aa3a0 PJ |
563 | /* Peer index, used for dumping TABLE_DUMP_V2 format */ |
564 | uint16_t table_dump_index; | |
565 | ||
718e3744 | 566 | /* Peer information */ |
eb821189 | 567 | int fd; /* File descriptor */ |
568 | int ttl; /* TTL of TCP connection to the peer. */ | |
fa411a21 | 569 | int gtsm_hops; /* minimum hopcount to peer */ |
eb821189 | 570 | char *desc; /* Description of the peer. */ |
571 | unsigned short port; /* Destination port for peer */ | |
572 | char *host; /* Printable address of the peer. */ | |
573 | union sockunion su; /* Sockunion address of the peer. */ | |
a80beece | 574 | #define BGP_PEER_SU_UNSPEC(peer) (peer->su.sa.sa_family == AF_UNSPEC) |
eb821189 | 575 | time_t uptime; /* Last Up/Down time */ |
576 | time_t readtime; /* Last read time */ | |
577 | time_t resettime; /* Last reset time */ | |
718e3744 | 578 | |
eb821189 | 579 | unsigned int ifindex; /* ifindex of the BGP connection. */ |
a80beece | 580 | char *conf_if; /* neighbor interface config name. */ |
eb821189 | 581 | char *ifname; /* bind interface name. */ |
582 | char *update_if; | |
583 | union sockunion *update_source; | |
eb821189 | 584 | |
585 | union sockunion *su_local; /* Sockunion of local address. */ | |
586 | union sockunion *su_remote; /* Sockunion of remote address. */ | |
587 | int shared_network; /* Is this peer shared same network. */ | |
588 | struct bgp_nexthop nexthop; /* Nexthop */ | |
718e3744 | 589 | |
590 | /* Peer address family configuration. */ | |
591 | u_char afc[AFI_MAX][SAFI_MAX]; | |
592 | u_char afc_nego[AFI_MAX][SAFI_MAX]; | |
593 | u_char afc_adv[AFI_MAX][SAFI_MAX]; | |
594 | u_char afc_recv[AFI_MAX][SAFI_MAX]; | |
595 | ||
0a486e5f | 596 | /* Capability flags (reset in bgp_stop) */ |
6410e93a | 597 | u_int32_t cap; |
718e3744 | 598 | #define PEER_CAP_REFRESH_ADV (1 << 0) /* refresh advertised */ |
599 | #define PEER_CAP_REFRESH_OLD_RCV (1 << 1) /* refresh old received */ | |
600 | #define PEER_CAP_REFRESH_NEW_RCV (1 << 2) /* refresh rfc received */ | |
601 | #define PEER_CAP_DYNAMIC_ADV (1 << 3) /* dynamic advertised */ | |
602 | #define PEER_CAP_DYNAMIC_RCV (1 << 4) /* dynamic received */ | |
538621f2 | 603 | #define PEER_CAP_RESTART_ADV (1 << 5) /* restart advertised */ |
604 | #define PEER_CAP_RESTART_RCV (1 << 6) /* restart received */ | |
0b2aa3a0 PJ |
605 | #define PEER_CAP_AS4_ADV (1 << 7) /* as4 advertised */ |
606 | #define PEER_CAP_AS4_RCV (1 << 8) /* as4 received */ | |
fe7d2a48 DS |
607 | #define PEER_CAP_RESTART_BIT_ADV (1 << 9) /* sent restart state */ |
608 | #define PEER_CAP_RESTART_BIT_RCV (1 << 10) /* peer restart state */ | |
a82478b9 DS |
609 | #define PEER_CAP_ADDPATH_ADV (1 << 11) /* addpath advertised */ |
610 | #define PEER_CAP_ADDPATH_RCV (1 << 12) /* addpath received */ | |
c744aa9f DS |
611 | #define PEER_CAP_ENHE_ADV (1 << 13) /* Extended nexthop advertised */ |
612 | #define PEER_CAP_ENHE_RCV (1 << 14) /* Extended nexthop received */ | |
04b6bdc0 DW |
613 | #define PEER_CAP_HOSTNAME_ADV (1 << 15) /* hostname advertised */ |
614 | #define PEER_CAP_HOSTNAME_RCV (1 << 16) /* hostname received */ | |
718e3744 | 615 | |
0a486e5f | 616 | /* Capability flags (reset in bgp_stop) */ |
04b6bdc0 | 617 | u_int32_t af_cap[AFI_MAX][SAFI_MAX]; |
718e3744 | 618 | #define PEER_CAP_ORF_PREFIX_SM_ADV (1 << 0) /* send-mode advertised */ |
619 | #define PEER_CAP_ORF_PREFIX_RM_ADV (1 << 1) /* receive-mode advertised */ | |
620 | #define PEER_CAP_ORF_PREFIX_SM_RCV (1 << 2) /* send-mode received */ | |
621 | #define PEER_CAP_ORF_PREFIX_RM_RCV (1 << 3) /* receive-mode received */ | |
622 | #define PEER_CAP_ORF_PREFIX_SM_OLD_RCV (1 << 4) /* send-mode received */ | |
623 | #define PEER_CAP_ORF_PREFIX_RM_OLD_RCV (1 << 5) /* receive-mode received */ | |
93406d87 | 624 | #define PEER_CAP_RESTART_AF_RCV (1 << 6) /* graceful restart afi/safi received */ |
625 | #define PEER_CAP_RESTART_AF_PRESERVE_RCV (1 << 7) /* graceful restart afi/safi F-bit received */ | |
a82478b9 DS |
626 | #define PEER_CAP_ADDPATH_AF_TX_ADV (1 << 8) /* addpath tx advertised */ |
627 | #define PEER_CAP_ADDPATH_AF_TX_RCV (1 << 9) /* addpath tx received */ | |
628 | #define PEER_CAP_ADDPATH_AF_RX_ADV (1 << 10) /* addpath rx advertised */ | |
629 | #define PEER_CAP_ADDPATH_AF_RX_RCV (1 << 11) /* addpath rx received */ | |
8a92a8a0 DS |
630 | #define PEER_CAP_ENHE_AF_ADV (1 << 12) /* Extended nexthopi afi/safi advertised */ |
631 | #define PEER_CAP_ENHE_AF_RCV (1 << 13) /* Extended nexthop afi/safi received */ | |
632 | #define PEER_CAP_ENHE_AF_NEGO (1 << 14) /* Extended nexthop afi/safi negotiated */ | |
718e3744 | 633 | |
634 | /* Global configuration flags. */ | |
635 | u_int32_t flags; | |
636 | #define PEER_FLAG_PASSIVE (1 << 0) /* passive mode */ | |
637 | #define PEER_FLAG_SHUTDOWN (1 << 1) /* shutdown */ | |
638 | #define PEER_FLAG_DONT_CAPABILITY (1 << 2) /* dont-capability */ | |
639 | #define PEER_FLAG_OVERRIDE_CAPABILITY (1 << 3) /* override-capability */ | |
640 | #define PEER_FLAG_STRICT_CAP_MATCH (1 << 4) /* strict-match */ | |
c9502438 | 641 | #define PEER_FLAG_DYNAMIC_CAPABILITY (1 << 5) /* dynamic capability */ |
6ffd2079 | 642 | #define PEER_FLAG_DISABLE_CONNECTED_CHECK (1 << 6) /* disable-connected-check */ |
c9502438 | 643 | #define PEER_FLAG_LOCAL_AS_NO_PREPEND (1 << 7) /* local-as no-prepend */ |
9d3f9705 | 644 | #define PEER_FLAG_LOCAL_AS_REPLACE_AS (1 << 8) /* local-as no-prepend replace-as */ |
1ff9a340 DS |
645 | #define PEER_FLAG_DELETE (1 << 9) /* mark the peer for deleting */ |
646 | #define PEER_FLAG_CONFIG_NODE (1 << 10) /* the node to update configs on */ | |
7f342629 DS |
647 | #define PEER_FLAG_LONESOUL (1 << 11) |
648 | #define PEER_FLAG_DYNAMIC_NEIGHBOR (1 << 12) /* dynamic neighbor */ | |
649 | #define PEER_FLAG_CAPABILITY_ENHE (1 << 13) /* Extended next-hop (rfc 5549)*/ | |
88177fe3 | 650 | #define PEER_FLAG_IFPEER_V6ONLY (1 << 14) /* if-based peer is v6 only */ |
718e3744 | 651 | |
93406d87 | 652 | /* NSF mode (graceful restart) */ |
653 | u_char nsf[AFI_MAX][SAFI_MAX]; | |
654 | ||
718e3744 | 655 | /* Per AF configuration flags. */ |
656 | u_int32_t af_flags[AFI_MAX][SAFI_MAX]; | |
657 | #define PEER_FLAG_SEND_COMMUNITY (1 << 0) /* send-community */ | |
658 | #define PEER_FLAG_SEND_EXT_COMMUNITY (1 << 1) /* send-community ext. */ | |
659 | #define PEER_FLAG_NEXTHOP_SELF (1 << 2) /* next-hop-self */ | |
660 | #define PEER_FLAG_REFLECTOR_CLIENT (1 << 3) /* reflector-client */ | |
661 | #define PEER_FLAG_RSERVER_CLIENT (1 << 4) /* route-server-client */ | |
662 | #define PEER_FLAG_SOFT_RECONFIG (1 << 5) /* soft-reconfiguration */ | |
663 | #define PEER_FLAG_AS_PATH_UNCHANGED (1 << 6) /* transparent-as */ | |
664 | #define PEER_FLAG_NEXTHOP_UNCHANGED (1 << 7) /* transparent-next-hop */ | |
665 | #define PEER_FLAG_MED_UNCHANGED (1 << 8) /* transparent-next-hop */ | |
666 | #define PEER_FLAG_DEFAULT_ORIGINATE (1 << 9) /* default-originate */ | |
667 | #define PEER_FLAG_REMOVE_PRIVATE_AS (1 << 10) /* remove-private-as */ | |
668 | #define PEER_FLAG_ALLOWAS_IN (1 << 11) /* set allowas-in */ | |
669 | #define PEER_FLAG_ORF_PREFIX_SM (1 << 12) /* orf capability send-mode */ | |
670 | #define PEER_FLAG_ORF_PREFIX_RM (1 << 13) /* orf capability receive-mode */ | |
671 | #define PEER_FLAG_MAX_PREFIX (1 << 14) /* maximum prefix */ | |
672 | #define PEER_FLAG_MAX_PREFIX_WARNING (1 << 15) /* maximum prefix warning-only */ | |
0df7c91f | 673 | #define PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED (1 << 16) /* leave link-local nexthop unchanged */ |
a538debe | 674 | #define PEER_FLAG_FORCE_NEXTHOP_SELF (1 << 17) /* next-hop-self force */ |
5000f21c DS |
675 | #define PEER_FLAG_REMOVE_PRIVATE_AS_ALL (1 << 18) /* remove-private-as all */ |
676 | #define PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE (1 << 19) /* remove-private-as replace-as */ | |
c7122e14 | 677 | #define PEER_FLAG_AS_OVERRIDE (1 << 20) /* as-override */ |
88b8ed8d | 678 | #define PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE (1 << 21) /* remove-private-as all replace-as */ |
adbac85e | 679 | #define PEER_FLAG_ADDPATH_TX_ALL_PATHS (1 << 22) /* addpath-tx-all-paths */ |
06370dac | 680 | #define PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS (1 << 23) /* addpath-tx-bestpath-per-AS */ |
0df7c91f PJ |
681 | |
682 | /* MD5 password */ | |
683 | char *password; | |
718e3744 | 684 | |
685 | /* default-originate route-map. */ | |
686 | struct | |
687 | { | |
688 | char *name; | |
689 | struct route_map *map; | |
690 | } default_rmap[AFI_MAX][SAFI_MAX]; | |
691 | ||
692 | /* Peer status flags. */ | |
693 | u_int16_t sflags; | |
694 | #define PEER_STATUS_ACCEPT_PEER (1 << 0) /* accept peer */ | |
695 | #define PEER_STATUS_PREFIX_OVERFLOW (1 << 1) /* prefix-overflow */ | |
696 | #define PEER_STATUS_CAPABILITY_OPEN (1 << 2) /* capability open send */ | |
697 | #define PEER_STATUS_HAVE_ACCEPT (1 << 3) /* accept peer's parent */ | |
698 | #define PEER_STATUS_GROUP (1 << 4) /* peer-group conf */ | |
93406d87 | 699 | #define PEER_STATUS_NSF_MODE (1 << 5) /* NSF aware peer */ |
700 | #define PEER_STATUS_NSF_WAIT (1 << 6) /* wait comeback peer */ | |
718e3744 | 701 | |
0a486e5f | 702 | /* Peer status af flags (reset in bgp_stop) */ |
718e3744 | 703 | u_int16_t af_sflags[AFI_MAX][SAFI_MAX]; |
704 | #define PEER_STATUS_ORF_PREFIX_SEND (1 << 0) /* prefix-list send peer */ | |
705 | #define PEER_STATUS_ORF_WAIT_REFRESH (1 << 1) /* wait refresh received peer */ | |
840fced9 DS |
706 | #define PEER_STATUS_PREFIX_THRESHOLD (1 << 2) /* exceed prefix-threshold */ |
707 | #define PEER_STATUS_PREFIX_LIMIT (1 << 3) /* exceed prefix-limit */ | |
708 | #define PEER_STATUS_EOR_SEND (1 << 4) /* end-of-rib send to peer */ | |
709 | #define PEER_STATUS_EOR_RECEIVED (1 << 5) /* end-of-rib received from peer */ | |
e0701b79 | 710 | |
718e3744 | 711 | /* Default attribute value for the peer. */ |
712 | u_int32_t config; | |
713 | #define PEER_CONFIG_WEIGHT (1 << 0) /* Default weight. */ | |
714 | #define PEER_CONFIG_TIMER (1 << 1) /* keepalive & holdtime */ | |
715 | #define PEER_CONFIG_CONNECT (1 << 2) /* connect */ | |
716 | #define PEER_CONFIG_ROUTEADV (1 << 3) /* route advertise */ | |
8ffedcea | 717 | |
718e3744 | 718 | u_int32_t weight; |
719 | u_int32_t holdtime; | |
720 | u_int32_t keepalive; | |
721 | u_int32_t connect; | |
722 | u_int32_t routeadv; | |
723 | ||
724 | /* Timer values. */ | |
725 | u_int32_t v_start; | |
726 | u_int32_t v_connect; | |
727 | u_int32_t v_holdtime; | |
728 | u_int32_t v_keepalive; | |
718e3744 | 729 | u_int32_t v_routeadv; |
0a486e5f | 730 | u_int32_t v_pmax_restart; |
93406d87 | 731 | u_int32_t v_gr_restart; |
718e3744 | 732 | |
733 | /* Threads. */ | |
734 | struct thread *t_read; | |
735 | struct thread *t_write; | |
736 | struct thread *t_start; | |
737 | struct thread *t_connect; | |
738 | struct thread *t_holdtime; | |
739 | struct thread *t_keepalive; | |
718e3744 | 740 | struct thread *t_routeadv; |
0a486e5f | 741 | struct thread *t_pmax_restart; |
93406d87 | 742 | struct thread *t_gr_restart; |
743 | struct thread *t_gr_stale; | |
64e580a7 PJ |
744 | |
745 | /* workqueues */ | |
746 | struct work_queue *clear_node_queue; | |
747 | ||
718e3744 | 748 | /* Statistics field */ |
749 | u_int32_t open_in; /* Open message input count */ | |
750 | u_int32_t open_out; /* Open message output count */ | |
751 | u_int32_t update_in; /* Update message input count */ | |
752 | u_int32_t update_out; /* Update message ouput count */ | |
753 | time_t update_time; /* Update message received time. */ | |
754 | u_int32_t keepalive_in; /* Keepalive input count */ | |
755 | u_int32_t keepalive_out; /* Keepalive output count */ | |
756 | u_int32_t notify_in; /* Notify input count */ | |
757 | u_int32_t notify_out; /* Notify output count */ | |
758 | u_int32_t refresh_in; /* Route Refresh input count */ | |
759 | u_int32_t refresh_out; /* Route Refresh output count */ | |
760 | u_int32_t dynamic_cap_in; /* Dynamic Capability input count. */ | |
761 | u_int32_t dynamic_cap_out; /* Dynamic Capability output count. */ | |
762 | ||
763 | /* BGP state count */ | |
764 | u_int32_t established; /* Established */ | |
765 | u_int32_t dropped; /* Dropped */ | |
766 | ||
f188f2c4 DS |
767 | /* Update delay related fields */ |
768 | u_char update_delay_over; /* When this is set, BGP is no more waiting for EOR */ | |
769 | ||
718e3744 | 770 | /* Syncronization list and time. */ |
771 | struct bgp_synchronize *sync[AFI_MAX][SAFI_MAX]; | |
772 | time_t synctime; | |
cb1faec9 | 773 | time_t last_write; /* timestamp when the last UPDATE msg was written */ |
718e3744 | 774 | |
775 | /* Send prefix count. */ | |
776 | unsigned long scount[AFI_MAX][SAFI_MAX]; | |
777 | ||
778 | /* Announcement attribute hash. */ | |
779 | struct hash *hash[AFI_MAX][SAFI_MAX]; | |
780 | ||
781 | /* Notify data. */ | |
782 | struct bgp_notify notify; | |
783 | ||
784 | /* Whole packet size to be read. */ | |
785 | unsigned long packet_size; | |
786 | ||
787 | /* Filter structure. */ | |
788 | struct bgp_filter filter[AFI_MAX][SAFI_MAX]; | |
789 | ||
790 | /* ORF Prefix-list */ | |
791 | struct prefix_list *orf_plist[AFI_MAX][SAFI_MAX]; | |
792 | ||
16286195 DS |
793 | /* Text description of last attribute rcvd */ |
794 | char rcvd_attr_str[BUFSIZ]; | |
795 | ||
796 | /* Track if we printed the attribute in debugs */ | |
797 | int rcvd_attr_printed; | |
798 | ||
718e3744 | 799 | /* Prefix count. */ |
800 | unsigned long pcount[AFI_MAX][SAFI_MAX]; | |
801 | ||
802 | /* Max prefix count. */ | |
803 | unsigned long pmax[AFI_MAX][SAFI_MAX]; | |
e0701b79 | 804 | u_char pmax_threshold[AFI_MAX][SAFI_MAX]; |
0a486e5f | 805 | u_int16_t pmax_restart[AFI_MAX][SAFI_MAX]; |
e0701b79 | 806 | #define MAXIMUM_PREFIX_THRESHOLD_DEFAULT 75 |
718e3744 | 807 | |
808 | /* allowas-in. */ | |
809 | char allowas_in[AFI_MAX][SAFI_MAX]; | |
ac41b2a2 | 810 | |
e0701b79 | 811 | /* peer reset cause */ |
812 | char last_reset; | |
813 | #define PEER_DOWN_RID_CHANGE 1 /* bgp router-id command */ | |
814 | #define PEER_DOWN_REMOTE_AS_CHANGE 2 /* neighbor remote-as command */ | |
815 | #define PEER_DOWN_LOCAL_AS_CHANGE 3 /* neighbor local-as command */ | |
816 | #define PEER_DOWN_CLID_CHANGE 4 /* bgp cluster-id command */ | |
817 | #define PEER_DOWN_CONFED_ID_CHANGE 5 /* bgp confederation identifier command */ | |
818 | #define PEER_DOWN_CONFED_PEER_CHANGE 6 /* bgp confederation peer command */ | |
819 | #define PEER_DOWN_RR_CLIENT_CHANGE 7 /* neighbor route-reflector-client command */ | |
820 | #define PEER_DOWN_RS_CLIENT_CHANGE 8 /* neighbor route-server-client command */ | |
821 | #define PEER_DOWN_UPDATE_SOURCE_CHANGE 9 /* neighbor update-source command */ | |
822 | #define PEER_DOWN_AF_ACTIVATE 10 /* neighbor activate command */ | |
823 | #define PEER_DOWN_USER_SHUTDOWN 11 /* neighbor shutdown command */ | |
824 | #define PEER_DOWN_USER_RESET 12 /* clear ip bgp command */ | |
825 | #define PEER_DOWN_NOTIFY_RECEIVED 13 /* notification received */ | |
826 | #define PEER_DOWN_NOTIFY_SEND 14 /* notification send */ | |
827 | #define PEER_DOWN_CLOSE_SESSION 15 /* tcp session close */ | |
828 | #define PEER_DOWN_NEIGHBOR_DELETE 16 /* neghbor delete */ | |
829 | #define PEER_DOWN_RMAP_BIND 17 /* neghbor peer-group command */ | |
830 | #define PEER_DOWN_RMAP_UNBIND 18 /* no neighbor peer-group command */ | |
831 | #define PEER_DOWN_CAPABILITY_CHANGE 19 /* neighbor capability command */ | |
832 | #define PEER_DOWN_PASSIVE_CHANGE 20 /* neighbor passive command */ | |
833 | #define PEER_DOWN_MULTIHOP_CHANGE 21 /* neighbor multihop command */ | |
93406d87 | 834 | #define PEER_DOWN_NSF_CLOSE_SESSION 22 /* NSF tcp session close */ |
8ffedcea | 835 | #define PEER_DOWN_V6ONLY_CHANGE 23 /* if-based peering v6only toggled */ |
7bbc6864 | 836 | #define PEER_DOWN_BFD_DOWN 24 /* BFD down */ |
d6661008 DS |
837 | unsigned long last_reset_cause_size; |
838 | u_char last_reset_cause[BGP_MAX_PACKET_SIZE]; | |
e0701b79 | 839 | |
ac41b2a2 | 840 | /* The kind of route-map Flags.*/ |
841 | u_char rmap_type; | |
842 | #define PEER_RMAP_TYPE_IN (1 << 0) /* neighbor route-map in */ | |
843 | #define PEER_RMAP_TYPE_OUT (1 << 1) /* neighbor route-map out */ | |
844 | #define PEER_RMAP_TYPE_NETWORK (1 << 2) /* network route-map */ | |
845 | #define PEER_RMAP_TYPE_REDISTRIBUTE (1 << 3) /* redistribute route-map */ | |
846 | #define PEER_RMAP_TYPE_DEFAULT (1 << 4) /* default-originate route-map */ | |
847 | #define PEER_RMAP_TYPE_NOSET (1 << 5) /* not allow to set commands */ | |
fee0f4c6 | 848 | #define PEER_RMAP_TYPE_IMPORT (1 << 6) /* neighbor route-map import */ |
849 | #define PEER_RMAP_TYPE_EXPORT (1 << 7) /* neighbor route-map export */ | |
6410e93a | 850 | |
c43ed2e4 | 851 | /* peer specific BFD information */ |
88177fe3 | 852 | struct bfd_info *bfd_info; |
04b6bdc0 DW |
853 | |
854 | /* hostname and domainname advertised by host */ | |
855 | char *hostname; | |
856 | char *domainname; | |
718e3744 | 857 | }; |
858 | ||
ad4cbda1 | 859 | /* Check if suppress start/restart of sessions to peer. */ |
860 | #define BGP_PEER_START_SUPPRESSED(P) \ | |
861 | (CHECK_FLAG ((P)->flags, PEER_FLAG_SHUTDOWN) \ | |
862 | || CHECK_FLAG ((P)->sflags, PEER_STATUS_PREFIX_OVERFLOW)) | |
863 | ||
0df7c91f PJ |
864 | #define PEER_PASSWORD_MINLEN (1) |
865 | #define PEER_PASSWORD_MAXLEN (80) | |
866 | ||
718e3744 | 867 | /* This structure's member directly points incoming packet data |
868 | stream. */ | |
869 | struct bgp_nlri | |
870 | { | |
871 | /* AFI. */ | |
872 | afi_t afi; | |
873 | ||
874 | /* SAFI. */ | |
875 | safi_t safi; | |
876 | ||
877 | /* Pointer to NLRI byte stream. */ | |
878 | u_char *nlri; | |
879 | ||
880 | /* Length of whole NLRI. */ | |
881 | bgp_size_t length; | |
882 | }; | |
883 | ||
884 | /* BGP versions. */ | |
885 | #define BGP_VERSION_4 4 | |
718e3744 | 886 | |
887 | /* Default BGP port number. */ | |
888 | #define BGP_PORT_DEFAULT 179 | |
889 | ||
718e3744 | 890 | /* BGP minimum message size. */ |
891 | #define BGP_MSG_OPEN_MIN_SIZE (BGP_HEADER_SIZE + 10) | |
892 | #define BGP_MSG_UPDATE_MIN_SIZE (BGP_HEADER_SIZE + 4) | |
893 | #define BGP_MSG_NOTIFY_MIN_SIZE (BGP_HEADER_SIZE + 2) | |
894 | #define BGP_MSG_KEEPALIVE_MIN_SIZE (BGP_HEADER_SIZE + 0) | |
895 | #define BGP_MSG_ROUTE_REFRESH_MIN_SIZE (BGP_HEADER_SIZE + 4) | |
896 | #define BGP_MSG_CAPABILITY_MIN_SIZE (BGP_HEADER_SIZE + 3) | |
897 | ||
898 | /* BGP message types. */ | |
899 | #define BGP_MSG_OPEN 1 | |
900 | #define BGP_MSG_UPDATE 2 | |
901 | #define BGP_MSG_NOTIFY 3 | |
902 | #define BGP_MSG_KEEPALIVE 4 | |
903 | #define BGP_MSG_ROUTE_REFRESH_NEW 5 | |
904 | #define BGP_MSG_CAPABILITY 6 | |
905 | #define BGP_MSG_ROUTE_REFRESH_OLD 128 | |
906 | ||
907 | /* BGP open optional parameter. */ | |
908 | #define BGP_OPEN_OPT_AUTH 1 | |
909 | #define BGP_OPEN_OPT_CAP 2 | |
910 | ||
911 | /* BGP4 attribute type codes. */ | |
912 | #define BGP_ATTR_ORIGIN 1 | |
913 | #define BGP_ATTR_AS_PATH 2 | |
914 | #define BGP_ATTR_NEXT_HOP 3 | |
915 | #define BGP_ATTR_MULTI_EXIT_DISC 4 | |
916 | #define BGP_ATTR_LOCAL_PREF 5 | |
917 | #define BGP_ATTR_ATOMIC_AGGREGATE 6 | |
918 | #define BGP_ATTR_AGGREGATOR 7 | |
919 | #define BGP_ATTR_COMMUNITIES 8 | |
920 | #define BGP_ATTR_ORIGINATOR_ID 9 | |
921 | #define BGP_ATTR_CLUSTER_LIST 10 | |
922 | #define BGP_ATTR_DPA 11 | |
923 | #define BGP_ATTR_ADVERTISER 12 | |
924 | #define BGP_ATTR_RCID_PATH 13 | |
925 | #define BGP_ATTR_MP_REACH_NLRI 14 | |
926 | #define BGP_ATTR_MP_UNREACH_NLRI 15 | |
927 | #define BGP_ATTR_EXT_COMMUNITIES 16 | |
0b2aa3a0 PJ |
928 | #define BGP_ATTR_AS4_PATH 17 |
929 | #define BGP_ATTR_AS4_AGGREGATOR 18 | |
41367172 | 930 | #define BGP_ATTR_AS_PATHLIMIT 21 |
718e3744 | 931 | |
932 | /* BGP update origin. */ | |
933 | #define BGP_ORIGIN_IGP 0 | |
934 | #define BGP_ORIGIN_EGP 1 | |
935 | #define BGP_ORIGIN_INCOMPLETE 2 | |
936 | ||
937 | /* BGP notify message codes. */ | |
938 | #define BGP_NOTIFY_HEADER_ERR 1 | |
939 | #define BGP_NOTIFY_OPEN_ERR 2 | |
940 | #define BGP_NOTIFY_UPDATE_ERR 3 | |
941 | #define BGP_NOTIFY_HOLD_ERR 4 | |
942 | #define BGP_NOTIFY_FSM_ERR 5 | |
943 | #define BGP_NOTIFY_CEASE 6 | |
944 | #define BGP_NOTIFY_CAPABILITY_ERR 7 | |
945 | #define BGP_NOTIFY_MAX 8 | |
946 | ||
4b4e07d2 DT |
947 | #define BGP_NOTIFY_SUBCODE_UNSPECIFIC 0 |
948 | ||
718e3744 | 949 | /* BGP_NOTIFY_HEADER_ERR sub codes. */ |
950 | #define BGP_NOTIFY_HEADER_NOT_SYNC 1 | |
951 | #define BGP_NOTIFY_HEADER_BAD_MESLEN 2 | |
952 | #define BGP_NOTIFY_HEADER_BAD_MESTYPE 3 | |
953 | #define BGP_NOTIFY_HEADER_MAX 4 | |
954 | ||
955 | /* BGP_NOTIFY_OPEN_ERR sub codes. */ | |
14051b36 | 956 | #define BGP_NOTIFY_OPEN_MALFORMED_ATTR 0 |
718e3744 | 957 | #define BGP_NOTIFY_OPEN_UNSUP_VERSION 1 |
958 | #define BGP_NOTIFY_OPEN_BAD_PEER_AS 2 | |
959 | #define BGP_NOTIFY_OPEN_BAD_BGP_IDENT 3 | |
960 | #define BGP_NOTIFY_OPEN_UNSUP_PARAM 4 | |
961 | #define BGP_NOTIFY_OPEN_AUTH_FAILURE 5 | |
962 | #define BGP_NOTIFY_OPEN_UNACEP_HOLDTIME 6 | |
963 | #define BGP_NOTIFY_OPEN_UNSUP_CAPBL 7 | |
964 | #define BGP_NOTIFY_OPEN_MAX 8 | |
965 | ||
966 | /* BGP_NOTIFY_UPDATE_ERR sub codes. */ | |
967 | #define BGP_NOTIFY_UPDATE_MAL_ATTR 1 | |
968 | #define BGP_NOTIFY_UPDATE_UNREC_ATTR 2 | |
969 | #define BGP_NOTIFY_UPDATE_MISS_ATTR 3 | |
970 | #define BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR 4 | |
971 | #define BGP_NOTIFY_UPDATE_ATTR_LENG_ERR 5 | |
972 | #define BGP_NOTIFY_UPDATE_INVAL_ORIGIN 6 | |
973 | #define BGP_NOTIFY_UPDATE_AS_ROUTE_LOOP 7 | |
974 | #define BGP_NOTIFY_UPDATE_INVAL_NEXT_HOP 8 | |
975 | #define BGP_NOTIFY_UPDATE_OPT_ATTR_ERR 9 | |
976 | #define BGP_NOTIFY_UPDATE_INVAL_NETWORK 10 | |
977 | #define BGP_NOTIFY_UPDATE_MAL_AS_PATH 11 | |
978 | #define BGP_NOTIFY_UPDATE_MAX 12 | |
979 | ||
4b4e07d2 | 980 | /* BGP_NOTIFY_CEASE sub codes (RFC 4486). */ |
718e3744 | 981 | #define BGP_NOTIFY_CEASE_MAX_PREFIX 1 |
982 | #define BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN 2 | |
983 | #define BGP_NOTIFY_CEASE_PEER_UNCONFIG 3 | |
984 | #define BGP_NOTIFY_CEASE_ADMIN_RESET 4 | |
985 | #define BGP_NOTIFY_CEASE_CONNECT_REJECT 5 | |
986 | #define BGP_NOTIFY_CEASE_CONFIG_CHANGE 6 | |
545acafb | 987 | #define BGP_NOTIFY_CEASE_COLLISION_RESOLUTION 7 |
988 | #define BGP_NOTIFY_CEASE_OUT_OF_RESOURCE 8 | |
989 | #define BGP_NOTIFY_CEASE_MAX 9 | |
718e3744 | 990 | |
991 | /* BGP_NOTIFY_CAPABILITY_ERR sub codes (draft-ietf-idr-dynamic-cap-02). */ | |
992 | #define BGP_NOTIFY_CAPABILITY_INVALID_ACTION 1 | |
993 | #define BGP_NOTIFY_CAPABILITY_INVALID_LENGTH 2 | |
994 | #define BGP_NOTIFY_CAPABILITY_MALFORMED_CODE 3 | |
995 | #define BGP_NOTIFY_CAPABILITY_MAX 4 | |
996 | ||
997 | /* BGP finite state machine status. */ | |
998 | #define Idle 1 | |
999 | #define Connect 2 | |
1000 | #define Active 3 | |
1001 | #define OpenSent 4 | |
1002 | #define OpenConfirm 5 | |
1003 | #define Established 6 | |
ca058a30 PJ |
1004 | #define Clearing 7 |
1005 | #define Deleted 8 | |
1006 | #define BGP_STATUS_MAX 9 | |
718e3744 | 1007 | |
1008 | /* BGP finite state machine events. */ | |
1009 | #define BGP_Start 1 | |
1010 | #define BGP_Stop 2 | |
1011 | #define TCP_connection_open 3 | |
1012 | #define TCP_connection_closed 4 | |
1013 | #define TCP_connection_open_failed 5 | |
1014 | #define TCP_fatal_error 6 | |
1015 | #define ConnectRetry_timer_expired 7 | |
1016 | #define Hold_Timer_expired 8 | |
1017 | #define KeepAlive_timer_expired 9 | |
1018 | #define Receive_OPEN_message 10 | |
1019 | #define Receive_KEEPALIVE_message 11 | |
1020 | #define Receive_UPDATE_message 12 | |
1021 | #define Receive_NOTIFICATION_message 13 | |
ca058a30 PJ |
1022 | #define Clearing_Completed 14 |
1023 | #define BGP_EVENTS_MAX 15 | |
718e3744 | 1024 | |
1025 | /* BGP timers default value. */ | |
5ca5f1c8 | 1026 | #define BGP_INIT_START_TIMER 1 |
3fd8c527 DW |
1027 | #define BGP_DEFAULT_HOLDTIME 9 |
1028 | #define BGP_DEFAULT_KEEPALIVE 3 | |
12179ba3 | 1029 | #define BGP_DEFAULT_EBGP_ROUTEADV 0 |
1670355a | 1030 | #define BGP_DEFAULT_IBGP_ROUTEADV 0 |
23a1f277 | 1031 | #define BGP_DEFAULT_CONNECT_RETRY 10 |
718e3744 | 1032 | |
1033 | /* BGP default local preference. */ | |
1034 | #define BGP_DEFAULT_LOCAL_PREF 100 | |
1035 | ||
3f9c7369 DS |
1036 | /* BGP default subgroup packet queue max . */ |
1037 | #define BGP_DEFAULT_SUBGROUP_PKT_QUEUE_MAX 40 | |
1038 | ||
538621f2 | 1039 | /* BGP graceful restart */ |
1040 | #define BGP_DEFAULT_RESTART_TIME 120 | |
1041 | #define BGP_DEFAULT_STALEPATH_TIME 360 | |
1042 | ||
42e6d745 DO |
1043 | /* RFC4364 */ |
1044 | #define SAFI_MPLS_LABELED_VPN 128 | |
718e3744 | 1045 | |
718e3744 | 1046 | /* BGP uptime string length. */ |
1047 | #define BGP_UPTIME_LEN 25 | |
1048 | ||
1049 | /* Default configuration settings for bgpd. */ | |
1050 | #define BGP_VTY_PORT 2605 | |
718e3744 | 1051 | #define BGP_DEFAULT_CONFIG "bgpd.conf" |
1052 | ||
1053 | /* Check AS path loop when we send NLRI. */ | |
1054 | /* #define BGP_SEND_ASPATH_CHECK */ | |
1055 | ||
f14e6fdb DS |
1056 | /* BGP Dynamic Neighbors feature */ |
1057 | #define BGP_DYNAMIC_NEIGHBORS_LIMIT_DEFAULT 100 | |
1058 | #define BGP_DYNAMIC_NEIGHBORS_LIMIT_MIN 1 | |
1059 | #define BGP_DYNAMIC_NEIGHBORS_LIMIT_MAX 5000 | |
1060 | ||
718e3744 | 1061 | /* Flag for peer_clear_soft(). */ |
1062 | enum bgp_clear_type | |
1063 | { | |
1064 | BGP_CLEAR_SOFT_NONE, | |
1065 | BGP_CLEAR_SOFT_OUT, | |
1066 | BGP_CLEAR_SOFT_IN, | |
1067 | BGP_CLEAR_SOFT_BOTH, | |
2a3d5731 | 1068 | BGP_CLEAR_SOFT_IN_ORF_PREFIX |
718e3744 | 1069 | }; |
1070 | ||
1071 | /* Macros. */ | |
1072 | #define BGP_INPUT(P) ((P)->ibuf) | |
1073 | #define BGP_INPUT_PNT(P) (STREAM_PNT(BGP_INPUT(P))) | |
6aa136f1 VS |
1074 | #define BGP_IS_VALID_STATE_FOR_NOTIF(S)\ |
1075 | (((S) == OpenSent) || ((S) == OpenConfirm) || ((S) == Established)) | |
718e3744 | 1076 | |
718e3744 | 1077 | /* BGP error codes. */ |
1078 | #define BGP_SUCCESS 0 | |
1079 | #define BGP_ERR_INVALID_VALUE -1 | |
1080 | #define BGP_ERR_INVALID_FLAG -2 | |
1081 | #define BGP_ERR_INVALID_AS -3 | |
1082 | #define BGP_ERR_INVALID_BGP -4 | |
1083 | #define BGP_ERR_PEER_GROUP_MEMBER -5 | |
1084 | #define BGP_ERR_MULTIPLE_INSTANCE_USED -6 | |
c8560b44 DW |
1085 | #define BGP_ERR_PEER_GROUP_NO_REMOTE_AS -7 |
1086 | #define BGP_ERR_PEER_GROUP_CANT_CHANGE -8 | |
1087 | #define BGP_ERR_PEER_GROUP_MISMATCH -9 | |
1088 | #define BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT -10 | |
1089 | #define BGP_ERR_MULTIPLE_INSTANCE_NOT_SET -11 | |
1090 | #define BGP_ERR_AS_MISMATCH -12 | |
1091 | #define BGP_ERR_PEER_FLAG_CONFLICT -13 | |
1092 | #define BGP_ERR_PEER_GROUP_SHUTDOWN -14 | |
1093 | #define BGP_ERR_PEER_FILTER_CONFLICT -15 | |
1094 | #define BGP_ERR_NOT_INTERNAL_PEER -16 | |
1095 | #define BGP_ERR_REMOVE_PRIVATE_AS -17 | |
1096 | #define BGP_ERR_AF_UNCONFIGURED -18 | |
1097 | #define BGP_ERR_SOFT_RECONFIG_UNCONFIGURED -19 | |
1098 | #define BGP_ERR_INSTANCE_MISMATCH -20 | |
1099 | #define BGP_ERR_LOCAL_AS_ALLOWED_ONLY_FOR_EBGP -21 | |
1100 | #define BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS -22 | |
1101 | #define BGP_ERR_TCPSIG_FAILED -23 | |
1102 | #define BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK -24 | |
1103 | #define BGP_ERR_NO_IBGP_WITH_TTLHACK -25 | |
1104 | #define BGP_ERR_NO_INTERFACE_CONFIG -26 | |
1105 | #define BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS_REMOTE_AS -27 | |
1106 | #define BGP_ERR_AS_OVERRIDE -28 | |
1107 | #define BGP_ERR_INVALID_DYNAMIC_NEIGHBORS_LIMIT -29 | |
1108 | #define BGP_ERR_DYNAMIC_NEIGHBORS_RANGE_EXISTS -30 | |
1109 | #define BGP_ERR_DYNAMIC_NEIGHBORS_RANGE_NOT_FOUND -31 | |
1110 | #define BGP_ERR_INVALID_FOR_DYNAMIC_PEER -32 | |
1111 | #define BGP_ERR_MAX -33 | |
718e3744 | 1112 | |
3f9c7369 DS |
1113 | /* |
1114 | * Enumeration of different policy kinds a peer can be configured with. | |
1115 | */ | |
1116 | typedef enum | |
1117 | { | |
1118 | BGP_POLICY_ROUTE_MAP, | |
1119 | BGP_POLICY_FILTER_LIST, | |
1120 | BGP_POLICY_PREFIX_LIST, | |
1121 | BGP_POLICY_DISTRIBUTE_LIST, | |
1122 | } bgp_policy_type_e; | |
1123 | ||
718e3744 | 1124 | extern struct bgp_master *bm; |
1125 | ||
718e3744 | 1126 | /* Prototypes. */ |
94f2b392 | 1127 | extern void bgp_terminate (void); |
1128 | extern void bgp_reset (void); | |
65957886 | 1129 | extern time_t bgp_clock (void); |
94f2b392 | 1130 | extern void bgp_zclient_reset (void); |
1131 | extern int bgp_nexthop_set (union sockunion *, union sockunion *, | |
718e3744 | 1132 | struct bgp_nexthop *, struct peer *); |
94f2b392 | 1133 | extern struct bgp *bgp_get_default (void); |
1134 | extern struct bgp *bgp_lookup (as_t, const char *); | |
1135 | extern struct bgp *bgp_lookup_by_name (const char *); | |
6aeb9e78 | 1136 | extern struct bgp *bgp_lookup_by_vrf_id (vrf_id_t); |
94f2b392 | 1137 | extern struct peer *peer_lookup (struct bgp *, union sockunion *); |
a80beece | 1138 | extern struct peer *peer_lookup_by_conf_if (struct bgp *, const char *); |
04b6bdc0 | 1139 | extern struct peer *peer_lookup_by_hostname(struct bgp *, const char *); |
a80beece | 1140 | extern void bgp_peer_conf_if_to_su_update (struct peer *); |
ffd0c037 | 1141 | extern int peer_group_listen_range_del(struct peer_group *, struct prefix *); |
94f2b392 | 1142 | extern struct peer_group *peer_group_lookup (struct bgp *, const char *); |
1143 | extern struct peer_group *peer_group_get (struct bgp *, const char *); | |
f14e6fdb DS |
1144 | extern struct peer *peer_create_bind_dynamic_neighbor (struct bgp *, |
1145 | union sockunion *, struct peer_group *); | |
1146 | extern struct prefix *peer_group_lookup_dynamic_neighbor_range ( | |
1147 | struct peer_group *, struct prefix *); | |
1148 | extern struct peer_group *peer_group_lookup_dynamic_neighbor (struct bgp *, | |
1149 | struct prefix *, struct prefix **); | |
1150 | extern struct peer *peer_lookup_dynamic_neighbor (struct bgp *, | |
1151 | union sockunion *); | |
1152 | extern void peer_drop_dynamic_neighbor (struct peer *); | |
28066f4b DS |
1153 | |
1154 | /* | |
1155 | * Peers are incredibly easy to memory leak | |
1156 | * due to the various ways that they are actually used | |
1157 | * Provide some functionality to debug locks and unlocks | |
1158 | */ | |
1159 | extern struct peer *peer_lock_with_caller(const char *, struct peer *); | |
1160 | extern struct peer *peer_unlock_with_caller(const char *, struct peer *); | |
1161 | #define peer_unlock(A) peer_unlock_with_caller(__FUNCTION__, (A)) | |
1162 | #define peer_lock(B) peer_lock_with_caller(__FUNCTION__, (B)) | |
1163 | ||
6d85b15b | 1164 | extern bgp_peer_sort_t peer_sort (struct peer *peer); |
94f2b392 | 1165 | extern int peer_active (struct peer *); |
1166 | extern int peer_active_nego (struct peer *); | |
06370dac | 1167 | extern void bgp_recalculate_all_bestpaths (struct bgp *bgp); |
a80beece | 1168 | extern struct peer *peer_create(union sockunion *, const char *, struct bgp *, |
0299c004 | 1169 | as_t, as_t, int, afi_t, safi_t); |
94f2b392 | 1170 | extern struct peer *peer_create_accept (struct bgp *); |
1ff9a340 | 1171 | extern void peer_xfer_config (struct peer *dst, struct peer *src); |
856ca177 MS |
1172 | extern char *peer_uptime (time_t, char *, size_t, u_char, json_object *); |
1173 | ||
94f2b392 | 1174 | extern int bgp_config_write (struct vty *); |
1175 | extern void bgp_config_write_family_header (struct vty *, afi_t, safi_t, int *); | |
6b0655a2 | 1176 | |
94f2b392 | 1177 | extern void bgp_master_init (void); |
718e3744 | 1178 | |
94f2b392 | 1179 | extern void bgp_init (void); |
1180 | extern void bgp_route_map_init (void); | |
4c48cf63 | 1181 | extern void bgp_session_reset (struct peer *); |
718e3744 | 1182 | |
94f2b392 | 1183 | extern int bgp_option_set (int); |
1184 | extern int bgp_option_unset (int); | |
1185 | extern int bgp_option_check (int); | |
718e3744 | 1186 | |
ad4cbda1 | 1187 | extern int bgp_get (struct bgp **, as_t *, const char *, enum bgp_instance_type); |
6aeb9e78 DS |
1188 | extern void bgp_instance_up (struct bgp *); |
1189 | extern void bgp_instance_down (struct bgp *); | |
94f2b392 | 1190 | extern int bgp_delete (struct bgp *); |
718e3744 | 1191 | |
94f2b392 | 1192 | extern int bgp_flag_set (struct bgp *, int); |
1193 | extern int bgp_flag_unset (struct bgp *, int); | |
1194 | extern int bgp_flag_check (struct bgp *, int); | |
718e3744 | 1195 | |
0088b5dc SH |
1196 | extern void bgp_lock (struct bgp *); |
1197 | extern void bgp_unlock (struct bgp *); | |
1198 | ||
94f2b392 | 1199 | extern int bgp_router_id_set (struct bgp *, struct in_addr *); |
718e3744 | 1200 | |
94f2b392 | 1201 | extern int bgp_cluster_id_set (struct bgp *, struct in_addr *); |
1202 | extern int bgp_cluster_id_unset (struct bgp *); | |
718e3744 | 1203 | |
94f2b392 | 1204 | extern int bgp_confederation_id_set (struct bgp *, as_t); |
1205 | extern int bgp_confederation_id_unset (struct bgp *); | |
1206 | extern int bgp_confederation_peers_check (struct bgp *, as_t); | |
718e3744 | 1207 | |
94f2b392 | 1208 | extern int bgp_confederation_peers_add (struct bgp *, as_t); |
1209 | extern int bgp_confederation_peers_remove (struct bgp *, as_t); | |
718e3744 | 1210 | |
94f2b392 | 1211 | extern int bgp_timers_set (struct bgp *, u_int32_t, u_int32_t); |
1212 | extern int bgp_timers_unset (struct bgp *); | |
718e3744 | 1213 | |
94f2b392 | 1214 | extern int bgp_default_local_preference_set (struct bgp *, u_int32_t); |
1215 | extern int bgp_default_local_preference_unset (struct bgp *); | |
718e3744 | 1216 | |
3f9c7369 DS |
1217 | extern int bgp_default_subgroup_pkt_queue_max_set (struct bgp *bgp, u_int32_t); |
1218 | extern int bgp_default_subgroup_pkt_queue_max_unset (struct bgp *bgp); | |
1219 | ||
f14e6fdb DS |
1220 | extern int bgp_listen_limit_set (struct bgp *, int); |
1221 | extern int bgp_listen_limit_unset (struct bgp *); | |
1222 | ||
f188f2c4 DS |
1223 | extern int bgp_update_delay_active (struct bgp *); |
1224 | extern int bgp_update_delay_configured (struct bgp *); | |
0299c004 | 1225 | extern void peer_as_change (struct peer *, as_t, int); |
a80beece | 1226 | extern int peer_remote_as (struct bgp *, union sockunion *,const char *, as_t *, |
0299c004 DS |
1227 | int, afi_t, safi_t); |
1228 | extern int peer_group_remote_as (struct bgp *, const char *, as_t *, int); | |
94f2b392 | 1229 | extern int peer_delete (struct peer *peer); |
1230 | extern int peer_group_delete (struct peer_group *); | |
1231 | extern int peer_group_remote_as_delete (struct peer_group *); | |
f14e6fdb | 1232 | extern int peer_group_listen_range_add(struct peer_group *, struct prefix *); |
718e3744 | 1233 | |
94f2b392 | 1234 | extern int peer_activate (struct peer *, afi_t, safi_t); |
1235 | extern int peer_deactivate (struct peer *, afi_t, safi_t); | |
718e3744 | 1236 | |
a80beece | 1237 | extern int peer_group_bind (struct bgp *, union sockunion *, struct peer *, |
c8560b44 DW |
1238 | struct peer_group *, as_t *); |
1239 | extern int peer_group_unbind (struct bgp *, struct peer *, struct peer_group *); | |
718e3744 | 1240 | |
94f2b392 | 1241 | extern int peer_flag_set (struct peer *, u_int32_t); |
1242 | extern int peer_flag_unset (struct peer *, u_int32_t); | |
718e3744 | 1243 | |
94f2b392 | 1244 | extern int peer_af_flag_set (struct peer *, afi_t, safi_t, u_int32_t); |
1245 | extern int peer_af_flag_unset (struct peer *, afi_t, safi_t, u_int32_t); | |
1246 | extern int peer_af_flag_check (struct peer *, afi_t, safi_t, u_int32_t); | |
718e3744 | 1247 | |
94f2b392 | 1248 | extern int peer_ebgp_multihop_set (struct peer *, int); |
1249 | extern int peer_ebgp_multihop_unset (struct peer *); | |
c43ed2e4 | 1250 | extern int is_ebgp_multihop_configured (struct peer *peer); |
718e3744 | 1251 | |
94f2b392 | 1252 | extern int peer_description_set (struct peer *, char *); |
1253 | extern int peer_description_unset (struct peer *); | |
718e3744 | 1254 | |
94f2b392 | 1255 | extern int peer_update_source_if_set (struct peer *, const char *); |
1256 | extern int peer_update_source_addr_set (struct peer *, union sockunion *); | |
1257 | extern int peer_update_source_unset (struct peer *); | |
718e3744 | 1258 | |
94f2b392 | 1259 | extern int peer_default_originate_set (struct peer *, afi_t, safi_t, const char *); |
1260 | extern int peer_default_originate_unset (struct peer *, afi_t, safi_t); | |
718e3744 | 1261 | |
94f2b392 | 1262 | extern int peer_port_set (struct peer *, u_int16_t); |
1263 | extern int peer_port_unset (struct peer *); | |
718e3744 | 1264 | |
ffd0c037 DS |
1265 | extern void peer_weight_set (struct peer *, u_int16_t); |
1266 | extern void peer_weight_unset (struct peer *); | |
718e3744 | 1267 | |
94f2b392 | 1268 | extern int peer_timers_set (struct peer *, u_int32_t, u_int32_t); |
1269 | extern int peer_timers_unset (struct peer *); | |
718e3744 | 1270 | |
94f2b392 | 1271 | extern int peer_timers_connect_set (struct peer *, u_int32_t); |
1272 | extern int peer_timers_connect_unset (struct peer *); | |
718e3744 | 1273 | |
94f2b392 | 1274 | extern int peer_advertise_interval_set (struct peer *, u_int32_t); |
1275 | extern int peer_advertise_interval_unset (struct peer *); | |
718e3744 | 1276 | |
ffd0c037 DS |
1277 | extern void peer_interface_set (struct peer *, const char *); |
1278 | extern void peer_interface_unset (struct peer *); | |
718e3744 | 1279 | |
94f2b392 | 1280 | extern int peer_distribute_set (struct peer *, afi_t, safi_t, int, const char *); |
1281 | extern int peer_distribute_unset (struct peer *, afi_t, safi_t, int); | |
718e3744 | 1282 | |
94f2b392 | 1283 | extern int peer_allowas_in_set (struct peer *, afi_t, safi_t, int); |
1284 | extern int peer_allowas_in_unset (struct peer *, afi_t, safi_t); | |
718e3744 | 1285 | |
9d3f9705 | 1286 | extern int peer_local_as_set (struct peer *, as_t, int, int); |
94f2b392 | 1287 | extern int peer_local_as_unset (struct peer *); |
718e3744 | 1288 | |
94f2b392 | 1289 | extern int peer_prefix_list_set (struct peer *, afi_t, safi_t, int, const char *); |
1290 | extern int peer_prefix_list_unset (struct peer *, afi_t, safi_t, int); | |
718e3744 | 1291 | |
94f2b392 | 1292 | extern int peer_aslist_set (struct peer *, afi_t, safi_t, int, const char *); |
1293 | extern int peer_aslist_unset (struct peer *,afi_t, safi_t, int); | |
718e3744 | 1294 | |
94f2b392 | 1295 | extern int peer_route_map_set (struct peer *, afi_t, safi_t, int, const char *); |
1296 | extern int peer_route_map_unset (struct peer *, afi_t, safi_t, int); | |
718e3744 | 1297 | |
94f2b392 | 1298 | extern int peer_unsuppress_map_set (struct peer *, afi_t, safi_t, const char *); |
0df7c91f PJ |
1299 | |
1300 | extern int peer_password_set (struct peer *, const char *); | |
1301 | extern int peer_password_unset (struct peer *); | |
1302 | ||
94f2b392 | 1303 | extern int peer_unsuppress_map_unset (struct peer *, afi_t, safi_t); |
718e3744 | 1304 | |
94f2b392 | 1305 | extern int peer_maximum_prefix_set (struct peer *, afi_t, safi_t, u_int32_t, u_char, int, u_int16_t); |
1306 | extern int peer_maximum_prefix_unset (struct peer *, afi_t, safi_t); | |
718e3744 | 1307 | |
1ff9a340 | 1308 | extern int peer_clear (struct peer *, struct listnode **); |
94f2b392 | 1309 | extern int peer_clear_soft (struct peer *, afi_t, safi_t, enum bgp_clear_type); |
93406d87 | 1310 | |
fa411a21 NH |
1311 | extern int peer_ttl_security_hops_set (struct peer *, int); |
1312 | extern int peer_ttl_security_hops_unset (struct peer *); | |
1313 | ||
518f0eb1 DS |
1314 | extern int bgp_route_map_update_timer (struct thread *thread); |
1315 | extern void bgp_route_map_terminate(void); | |
16286195 DS |
1316 | |
1317 | extern int peer_cmp (struct peer *p1, struct peer *p2); | |
3f9c7369 DS |
1318 | |
1319 | extern struct peer_af * peer_af_create (struct peer *, afi_t, safi_t); | |
1320 | extern struct peer_af * peer_af_find (struct peer *, afi_t, safi_t); | |
1321 | extern int peer_af_delete (struct peer *, afi_t, safi_t); | |
1322 | ||
ffd0c037 DS |
1323 | extern void bgp_close(void); |
1324 | ||
3f9c7369 DS |
1325 | static inline int |
1326 | afindex (afi_t afi, safi_t safi) | |
1327 | { | |
1328 | switch (afi) | |
1329 | { | |
1330 | case AFI_IP: | |
1331 | switch (safi) | |
1332 | { | |
1333 | case SAFI_UNICAST: | |
1334 | return BGP_AF_IPV4_UNICAST; | |
1335 | break; | |
1336 | case SAFI_MULTICAST: | |
1337 | return BGP_AF_IPV4_MULTICAST; | |
1338 | break; | |
1339 | case SAFI_MPLS_VPN: | |
1340 | return BGP_AF_IPV4_VPN; | |
1341 | break; | |
1342 | default: | |
1343 | return BGP_AF_MAX; | |
1344 | break; | |
1345 | } | |
1346 | break; | |
1347 | case AFI_IP6: | |
1348 | switch (safi) | |
1349 | { | |
1350 | case SAFI_UNICAST: | |
1351 | return BGP_AF_IPV6_UNICAST; | |
1352 | break; | |
1353 | case SAFI_MULTICAST: | |
1354 | return BGP_AF_IPV6_MULTICAST; | |
1355 | break; | |
1356 | default: | |
1357 | return BGP_AF_MAX; | |
1358 | break; | |
1359 | } | |
1360 | break; | |
1361 | default: | |
1362 | return BGP_AF_MAX; | |
1363 | break; | |
1364 | } | |
1365 | } | |
1366 | ||
c8560b44 | 1367 | /* If the peer is not a peer-group but is bound to a peer-group return 1 */ |
3f9c7369 DS |
1368 | static inline int |
1369 | peer_group_active (struct peer *peer) | |
1370 | { | |
c8560b44 | 1371 | if (!CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) && peer->group) |
3f9c7369 DS |
1372 | return 1; |
1373 | return 0; | |
1374 | } | |
1375 | ||
1376 | /* If peer is negotiated at least one address family return 1. */ | |
1377 | static inline int | |
1378 | peer_afi_active_nego (const struct peer *peer, afi_t afi) | |
1379 | { | |
1380 | if (peer->afc_nego[afi][SAFI_UNICAST] | |
1381 | || peer->afc_nego[afi][SAFI_MULTICAST] | |
1382 | || peer->afc_nego[afi][SAFI_MPLS_VPN]) | |
1383 | return 1; | |
1384 | return 0; | |
1385 | } | |
1386 | ||
f14e6fdb DS |
1387 | /* If at least one address family activated for group, return 1. */ |
1388 | static inline int | |
1389 | peer_group_af_configured (struct peer_group *group) | |
1390 | { | |
1391 | struct peer *peer = group->conf; | |
1392 | ||
1393 | if (peer->afc[AFI_IP][SAFI_UNICAST] | |
1394 | || peer->afc[AFI_IP][SAFI_MULTICAST] | |
1395 | || peer->afc[AFI_IP][SAFI_MPLS_VPN] | |
1396 | || peer->afc[AFI_IP6][SAFI_UNICAST] | |
1397 | || peer->afc[AFI_IP6][SAFI_MULTICAST]) | |
1398 | return 1; | |
1399 | return 0; | |
1400 | } | |
1401 | ||
3f9c7369 DS |
1402 | static inline char * |
1403 | timestamp_string (time_t ts) | |
1404 | { | |
1405 | #ifdef HAVE_CLOCK_MONOTONIC | |
1406 | time_t tbuf; | |
1407 | tbuf = time(NULL) - (bgp_clock() - ts); | |
1408 | return ctime(&tbuf); | |
1409 | #else | |
1410 | return ctime(&ts); | |
1411 | #endif /* HAVE_CLOCK_MONOTONIC */ | |
1412 | } | |
1413 | ||
1414 | static inline int | |
1415 | peer_established (struct peer *peer) | |
1416 | { | |
1417 | if (peer->status == Established) | |
1418 | return 1; | |
1419 | return 0; | |
1420 | } | |
1421 | ||
f14e6fdb DS |
1422 | static inline int |
1423 | peer_dynamic_neighbor (struct peer *peer) | |
1424 | { | |
1425 | return (CHECK_FLAG(peer->flags, PEER_FLAG_DYNAMIC_NEIGHBOR)) ? 1 : 0; | |
1426 | } | |
1427 | ||
8a92a8a0 DS |
1428 | /* |
1429 | * Currently supporting RFC 5549 for AFI_IP/SAFI_UNICAST only. | |
1430 | * | |
1431 | * Note: When other RFC-5549 applicable SAFIs to be supported, that should | |
1432 | * come as an argument to this routine. | |
1433 | */ | |
1434 | static inline int | |
1435 | peer_cap_enhe (struct peer *peer) | |
1436 | { | |
1437 | return (CHECK_FLAG(peer->af_cap[AFI_IP][SAFI_UNICAST], PEER_CAP_ENHE_AF_NEGO)); | |
1438 | } | |
1439 | ||
d1be1f08 | 1440 | /* Lookup VRF for BGP instance based on its type. */ |
1441 | static inline struct vrf * | |
1442 | bgp_vrf_lookup_by_instance_type (struct bgp *bgp) | |
1443 | { | |
1444 | struct vrf *vrf; | |
1445 | ||
1446 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
1447 | vrf = vrf_lookup (VRF_DEFAULT); | |
1448 | else if (bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
1449 | vrf = vrf_lookup_by_name (bgp->name); | |
1450 | else | |
1451 | vrf = NULL; | |
1452 | ||
1453 | return vrf; | |
1454 | } | |
1455 | ||
1456 | /* Link BGP instance to VRF. */ | |
1457 | static inline void | |
1458 | bgp_vrf_link (struct bgp *bgp, struct vrf *vrf) | |
1459 | { | |
1460 | bgp->vrf_id = vrf->vrf_id; | |
59ecefe2 | 1461 | if (vrf->info != (void *)bgp) |
1462 | { | |
1463 | bgp_lock (bgp); | |
1464 | vrf->info = (void *)bgp; | |
1465 | } | |
d1be1f08 | 1466 | } |
1467 | ||
1468 | /* Unlink BGP instance from VRF. */ | |
1469 | static inline void | |
1470 | bgp_vrf_unlink (struct bgp *bgp, struct vrf *vrf) | |
1471 | { | |
59ecefe2 | 1472 | if (vrf->info == (void *)bgp) |
1473 | { | |
1474 | vrf->info = NULL; | |
1475 | bgp_unlock (bgp); | |
1476 | } | |
d1be1f08 | 1477 | bgp->vrf_id = VRF_DEFAULT; |
1478 | } | |
1479 | ||
00d252cb | 1480 | #endif /* _QUAGGA_BGPD_H */ |