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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 | ||
718e3744 | 24 | /* For union sockunion. */ |
3f9c7369 | 25 | #include "queue.h" |
718e3744 | 26 | #include "sockunion.h" |
518f0eb1 | 27 | #include "routemap.h" |
ffd0c037 | 28 | #include "linklist.h" |
718e3744 | 29 | |
3f9c7369 DS |
30 | struct update_subgroup; |
31 | struct bpacket; | |
32 | ||
0299c004 DS |
33 | /* |
34 | * Allow the neighbor XXXX remote-as to take internal or external | |
35 | * AS_SPECIFIED is zero to auto-inherit original non-feature/enhancement behavior | |
36 | * in the system. | |
37 | */ | |
38 | enum { | |
39 | AS_UNSPECIFIED = 0, | |
40 | AS_SPECIFIED, | |
41 | AS_INTERNAL, | |
42 | AS_EXTERNAL, | |
43 | }; | |
44 | ||
718e3744 | 45 | /* Typedef BGP specific types. */ |
0b2aa3a0 PJ |
46 | typedef u_int32_t as_t; |
47 | typedef u_int16_t as16_t; /* we may still encounter 16 Bit asnums */ | |
718e3744 | 48 | typedef u_int16_t bgp_size_t; |
49 | ||
3f9c7369 DS |
50 | #define max(a,b) \ |
51 | ({ __typeof__ (a) _a = (a); \ | |
52 | __typeof__ (b) _b = (b); \ | |
53 | _a > _b ? _a : _b; }) | |
54 | ||
55 | enum bgp_af_index | |
56 | { | |
57 | BGP_AF_START, | |
58 | BGP_AF_IPV4_UNICAST = BGP_AF_START, | |
59 | BGP_AF_IPV4_MULTICAST, | |
60 | BGP_AF_IPV4_VPN, | |
61 | BGP_AF_IPV6_UNICAST, | |
62 | BGP_AF_IPV6_MULTICAST, | |
63 | BGP_AF_MAX | |
64 | }; | |
65 | ||
66 | #define AF_FOREACH(af) \ | |
67 | for ((af) = BGP_AF_START; (af) < BGP_AF_MAX; (af)++) | |
68 | ||
69 | #define FOREACH_AFI_SAFI(afi, safi) \ | |
70 | for (afi = AFI_IP; afi < AFI_MAX; afi++) \ | |
71 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
72 | ||
718e3744 | 73 | /* BGP master for system wide configurations and variables. */ |
74 | struct bgp_master | |
75 | { | |
76 | /* BGP instance list. */ | |
77 | struct list *bgp; | |
78 | ||
79 | /* BGP thread master. */ | |
80 | struct thread_master *master; | |
81 | ||
200df115 | 82 | /* work queues */ |
83 | struct work_queue *process_main_queue; | |
84 | struct work_queue *process_rsclient_queue; | |
200df115 | 85 | |
0df7c91f PJ |
86 | /* Listening sockets */ |
87 | struct list *listen_sockets; | |
88 | ||
718e3744 | 89 | /* BGP port number. */ |
90 | u_int16_t port; | |
91 | ||
3a02d1f7 PJ |
92 | /* Listener address */ |
93 | char *address; | |
94 | ||
718e3744 | 95 | /* BGP start time. */ |
96 | time_t start_time; | |
97 | ||
98 | /* Various BGP global configuration. */ | |
99 | u_char options; | |
100 | #define BGP_OPT_NO_FIB (1 << 0) | |
101 | #define BGP_OPT_MULTIPLE_INSTANCE (1 << 1) | |
102 | #define BGP_OPT_CONFIG_CISCO (1 << 2) | |
cccbc015 | 103 | #define BGP_OPT_NO_LISTEN (1 << 3) |
3f9c7369 DS |
104 | |
105 | u_int64_t updgrp_idspace; | |
106 | u_int64_t subgrp_idspace; | |
718e3744 | 107 | }; |
108 | ||
73ac8160 DS |
109 | /* BGP route-map structure. */ |
110 | struct bgp_rmap | |
111 | { | |
112 | char *name; | |
113 | struct route_map *map; | |
114 | }; | |
115 | ||
7c8ff89e DS |
116 | struct bgp_redist |
117 | { | |
118 | u_short instance; | |
119 | ||
120 | /* BGP redistribute metric configuration. */ | |
121 | u_char redist_metric_flag; | |
122 | u_int32_t redist_metric; | |
123 | ||
124 | /* BGP redistribute route-map. */ | |
125 | struct bgp_rmap rmap; | |
126 | }; | |
127 | ||
718e3744 | 128 | /* BGP instance structure. */ |
129 | struct bgp | |
130 | { | |
131 | /* AS number of this BGP instance. */ | |
132 | as_t as; | |
133 | ||
134 | /* Name of this BGP instance. */ | |
135 | char *name; | |
200df115 | 136 | |
0088b5dc SH |
137 | /* Reference count to allow peer_delete to finish after bgp_delete */ |
138 | int lock; | |
139 | ||
718e3744 | 140 | /* Self peer. */ |
141 | struct peer *peer_self; | |
142 | ||
143 | /* BGP peer. */ | |
144 | struct list *peer; | |
145 | ||
146 | /* BGP peer group. */ | |
147 | struct list *group; | |
148 | ||
f14e6fdb DS |
149 | /* The maximum number of BGP dynamic neighbors that can be created */ |
150 | int dynamic_neighbors_limit; | |
151 | ||
152 | /* The current number of BGP dynamic neighbors */ | |
153 | int dynamic_neighbors_count; | |
154 | ||
fee0f4c6 | 155 | /* BGP route-server-clients. */ |
156 | struct list *rsclient; | |
157 | ||
3f9c7369 DS |
158 | struct hash *update_groups[BGP_AF_MAX]; |
159 | ||
160 | /* | |
161 | * Global statistics for update groups. | |
162 | */ | |
163 | struct { | |
164 | u_int32_t join_events; | |
165 | u_int32_t prune_events; | |
166 | u_int32_t merge_events; | |
167 | u_int32_t split_events; | |
168 | u_int32_t updgrp_switch_events; | |
169 | u_int32_t peer_refreshes_combined; | |
170 | u_int32_t adj_count; | |
171 | u_int32_t merge_checks_triggered; | |
172 | ||
173 | u_int32_t updgrps_created; | |
174 | u_int32_t updgrps_deleted; | |
175 | u_int32_t subgrps_created; | |
176 | u_int32_t subgrps_deleted; | |
177 | } update_group_stats; | |
178 | ||
718e3744 | 179 | /* BGP configuration. */ |
180 | u_int16_t config; | |
181 | #define BGP_CONFIG_ROUTER_ID (1 << 0) | |
182 | #define BGP_CONFIG_CLUSTER_ID (1 << 1) | |
183 | #define BGP_CONFIG_CONFEDERATION (1 << 2) | |
718e3744 | 184 | |
185 | /* BGP router identifier. */ | |
186 | struct in_addr router_id; | |
18a6dce6 | 187 | struct in_addr router_id_static; |
718e3744 | 188 | |
189 | /* BGP route reflector cluster ID. */ | |
190 | struct in_addr cluster_id; | |
191 | ||
192 | /* BGP confederation information. */ | |
193 | as_t confed_id; | |
194 | as_t *confed_peers; | |
195 | int confed_peers_cnt; | |
196 | ||
abc920f8 DS |
197 | struct thread *t_startup; /* start-up timer on only once at the beginning */ |
198 | ||
199 | u_int32_t v_maxmed_onstartup; /* Duration of max-med on start-up */ | |
200 | #define BGP_MAXMED_ONSTARTUP_UNCONFIGURED 0 /* 0 means off, its the default */ | |
201 | u_int32_t maxmed_onstartup_value; /* Max-med value when active on start-up */ | |
202 | struct thread *t_maxmed_onstartup; /* non-null when max-med onstartup is on */ | |
203 | u_char maxmed_onstartup_over; /* Flag to make it effective only once */ | |
204 | ||
205 | u_char v_maxmed_admin; /* 1/0 if max-med administrative is on/off */ | |
206 | #define BGP_MAXMED_ADMIN_UNCONFIGURED 0 /* Off by default */ | |
207 | u_int32_t maxmed_admin_value; /* Max-med value when administrative in on */ | |
208 | #define BGP_MAXMED_VALUE_DEFAULT 4294967294 /* Maximum by default */ | |
209 | ||
210 | u_char maxmed_active; /* 1/0 if max-med is active or not */ | |
211 | u_int32_t maxmed_value; /* Max-med value when its active */ | |
fe7d2a48 | 212 | |
f188f2c4 DS |
213 | /* BGP update delay on startup */ |
214 | struct thread *t_update_delay; | |
215 | struct thread *t_establish_wait; | |
216 | u_char update_delay_over; | |
4a16ae86 DS |
217 | u_char main_zebra_update_hold; |
218 | u_char main_peers_update_hold; | |
219 | u_char rsclient_peers_update_hold; | |
f188f2c4 DS |
220 | u_int16_t v_update_delay; |
221 | u_int16_t v_establish_wait; | |
222 | char update_delay_begin_time[64]; | |
223 | char update_delay_end_time[64]; | |
4a16ae86 DS |
224 | char update_delay_zebra_resume_time[64]; |
225 | char update_delay_peers_resume_time[64]; | |
f188f2c4 DS |
226 | u_int32_t established; |
227 | u_int32_t restarted_peers; | |
228 | u_int32_t implicit_eors; | |
229 | u_int32_t explicit_eors; | |
230 | #define BGP_UPDATE_DELAY_DEF 0 | |
231 | #define BGP_UPDATE_DELAY_MIN 0 | |
232 | #define BGP_UPDATE_DELAY_MAX 3600 | |
233 | ||
718e3744 | 234 | /* BGP flags. */ |
8bd9d948 | 235 | u_int32_t flags; |
718e3744 | 236 | #define BGP_FLAG_ALWAYS_COMPARE_MED (1 << 0) |
237 | #define BGP_FLAG_DETERMINISTIC_MED (1 << 1) | |
238 | #define BGP_FLAG_MED_MISSING_AS_WORST (1 << 2) | |
239 | #define BGP_FLAG_MED_CONFED (1 << 3) | |
240 | #define BGP_FLAG_NO_DEFAULT_IPV4 (1 << 4) | |
241 | #define BGP_FLAG_NO_CLIENT_TO_CLIENT (1 << 5) | |
242 | #define BGP_FLAG_ENFORCE_FIRST_AS (1 << 6) | |
243 | #define BGP_FLAG_COMPARE_ROUTER_ID (1 << 7) | |
244 | #define BGP_FLAG_ASPATH_IGNORE (1 << 8) | |
245 | #define BGP_FLAG_IMPORT_CHECK (1 << 9) | |
246 | #define BGP_FLAG_NO_FAST_EXT_FAILOVER (1 << 10) | |
848973c7 | 247 | #define BGP_FLAG_LOG_NEIGHBOR_CHANGES (1 << 11) |
538621f2 | 248 | #define BGP_FLAG_GRACEFUL_RESTART (1 << 12) |
6811845b | 249 | #define BGP_FLAG_ASPATH_CONFED (1 << 13) |
2fdd455c | 250 | #define BGP_FLAG_ASPATH_MULTIPATH_RELAX (1 << 14) |
8bd9d948 | 251 | #define BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY (1 << 15) |
907f92c8 | 252 | #define BGP_FLAG_DISABLE_NH_CONNECTED_CHK (1 << 16) |
16fc1eec | 253 | #define BGP_FLAG_MULTIPATH_RELAX_NO_AS_SET (1 << 17) |
078430f6 DS |
254 | #define BGP_FLAG_FORCE_STATIC_PROCESS (1 << 18) |
255 | #define BGP_FLAG_IMPORT_CHECK_EXACT_MATCH (1 << 19) | |
718e3744 | 256 | |
257 | /* BGP Per AF flags */ | |
258 | u_int16_t af_flags[AFI_MAX][SAFI_MAX]; | |
259 | #define BGP_CONFIG_DAMPENING (1 << 0) | |
260 | ||
261 | /* Static route configuration. */ | |
262 | struct bgp_table *route[AFI_MAX][SAFI_MAX]; | |
263 | ||
264 | /* Aggregate address configuration. */ | |
265 | struct bgp_table *aggregate[AFI_MAX][SAFI_MAX]; | |
266 | ||
267 | /* BGP routing information base. */ | |
268 | struct bgp_table *rib[AFI_MAX][SAFI_MAX]; | |
269 | ||
73ac8160 DS |
270 | /* BGP table route-map. */ |
271 | struct bgp_rmap table_map[AFI_MAX][SAFI_MAX]; | |
272 | ||
718e3744 | 273 | /* BGP redistribute configuration. */ |
7c8ff89e | 274 | struct list *redist[AFI_MAX][ZEBRA_ROUTE_MAX]; |
718e3744 | 275 | |
518f0eb1 DS |
276 | /* timer to dampen route map changes */ |
277 | struct thread *t_rmap_update; /* Handle route map updates */ | |
278 | u_int32_t rmap_update_timer; /* Route map update timer */ | |
279 | #define RMAP_DEFAULT_UPDATE_TIMER 5 /* disabled by default */ | |
280 | ||
0de4848d DS |
281 | /* timer to re-evaluate neighbor default-originate route-maps */ |
282 | struct thread *t_rmap_def_originate_eval; | |
283 | #define RMAP_DEFAULT_ORIGINATE_EVAL_TIMER 5 | |
284 | ||
718e3744 | 285 | /* BGP distance configuration. */ |
286 | u_char distance_ebgp; | |
287 | u_char distance_ibgp; | |
288 | u_char distance_local; | |
289 | ||
290 | /* BGP default local-preference. */ | |
291 | u_int32_t default_local_pref; | |
292 | ||
3f9c7369 DS |
293 | /* BGP default subgroup pkt queue max */ |
294 | u_int32_t default_subgroup_pkt_queue_max; | |
295 | ||
718e3744 | 296 | /* BGP default timer. */ |
297 | u_int32_t default_holdtime; | |
298 | u_int32_t default_keepalive; | |
538621f2 | 299 | |
300 | /* BGP graceful restart */ | |
93406d87 | 301 | u_int32_t restart_time; |
302 | u_int32_t stalepath_time; | |
165b5fff JB |
303 | |
304 | /* Maximum-paths configuration */ | |
305 | struct bgp_maxpaths_cfg { | |
306 | u_int16_t maxpaths_ebgp; | |
307 | u_int16_t maxpaths_ibgp; | |
5e242b0d DS |
308 | u_int16_t ibgp_flags; |
309 | #define BGP_FLAG_IBGP_MULTIPATH_SAME_CLUSTERLEN (1 << 0) | |
165b5fff | 310 | } maxpaths[AFI_MAX][SAFI_MAX]; |
cb1faec9 DS |
311 | |
312 | u_int32_t wpkt_quanta; /* per peer packet quanta to write */ | |
3f9c7369 | 313 | u_int32_t coalesce_time; |
718e3744 | 314 | }; |
315 | ||
d889623f DS |
316 | #define BGP_ROUTE_ADV_HOLD(bgp) \ |
317 | (bgp->main_peers_update_hold || bgp->rsclient_peers_update_hold) | |
318 | ||
718e3744 | 319 | /* BGP peer-group support. */ |
320 | struct peer_group | |
321 | { | |
322 | /* Name of the peer-group. */ | |
323 | char *name; | |
324 | ||
325 | /* Pointer to BGP. */ | |
326 | struct bgp *bgp; | |
327 | ||
328 | /* Peer-group client list. */ | |
329 | struct list *peer; | |
330 | ||
f14e6fdb DS |
331 | /** Dynamic neighbor listening ranges */ |
332 | struct list *listen_range[AFI_MAX]; | |
333 | ||
718e3744 | 334 | /* Peer-group config */ |
335 | struct peer *conf; | |
336 | }; | |
337 | ||
338 | /* BGP Notify message format. */ | |
339 | struct bgp_notify | |
340 | { | |
341 | u_char code; | |
342 | u_char subcode; | |
343 | char *data; | |
344 | bgp_size_t length; | |
345 | }; | |
346 | ||
347 | /* Next hop self address. */ | |
348 | struct bgp_nexthop | |
349 | { | |
350 | struct interface *ifp; | |
351 | struct in_addr v4; | |
352 | #ifdef HAVE_IPV6 | |
353 | struct in6_addr v6_global; | |
354 | struct in6_addr v6_local; | |
355 | #endif /* HAVE_IPV6 */ | |
356 | }; | |
357 | ||
a82478b9 DS |
358 | /* BGP addpath values */ |
359 | #define BGP_ADDPATH_RX 1 | |
360 | #define BGP_ADDPATH_TX 2 | |
361 | #define BGP_ADDPATH_ID_LEN 4 | |
362 | ||
718e3744 | 363 | /* BGP router distinguisher value. */ |
364 | #define BGP_RD_SIZE 8 | |
365 | ||
366 | struct bgp_rd | |
367 | { | |
368 | u_char val[BGP_RD_SIZE]; | |
369 | }; | |
370 | ||
fee0f4c6 | 371 | #define RMAP_IN 0 |
372 | #define RMAP_OUT 1 | |
373 | #define RMAP_IMPORT 2 | |
374 | #define RMAP_EXPORT 3 | |
375 | #define RMAP_MAX 4 | |
376 | ||
718e3744 | 377 | /* BGP filter structure. */ |
378 | struct bgp_filter | |
379 | { | |
380 | /* Distribute-list. */ | |
381 | struct | |
382 | { | |
383 | char *name; | |
384 | struct access_list *alist; | |
385 | } dlist[FILTER_MAX]; | |
386 | ||
387 | /* Prefix-list. */ | |
388 | struct | |
389 | { | |
390 | char *name; | |
391 | struct prefix_list *plist; | |
392 | } plist[FILTER_MAX]; | |
393 | ||
394 | /* Filter-list. */ | |
395 | struct | |
396 | { | |
397 | char *name; | |
398 | struct as_list *aslist; | |
399 | } aslist[FILTER_MAX]; | |
400 | ||
401 | /* Route-map. */ | |
402 | struct | |
403 | { | |
404 | char *name; | |
405 | struct route_map *map; | |
fee0f4c6 | 406 | } map[RMAP_MAX]; |
718e3744 | 407 | |
408 | /* Unsuppress-map. */ | |
409 | struct | |
410 | { | |
411 | char *name; | |
412 | struct route_map *map; | |
413 | } usmap; | |
414 | }; | |
415 | ||
6d85b15b JBD |
416 | /* IBGP/EBGP identifier. We also have a CONFED peer, which is to say, |
417 | a peer who's AS is part of our Confederation. */ | |
418 | typedef enum | |
419 | { | |
420 | BGP_PEER_IBGP = 1, | |
421 | BGP_PEER_EBGP, | |
422 | BGP_PEER_INTERNAL, | |
423 | BGP_PEER_CONFED, | |
424 | } bgp_peer_sort_t; | |
425 | ||
d6661008 DS |
426 | /* BGP message header and packet size. */ |
427 | #define BGP_MARKER_SIZE 16 | |
428 | #define BGP_HEADER_SIZE 19 | |
429 | #define BGP_MAX_PACKET_SIZE 4096 | |
0a91ff55 | 430 | #define BGP_MAX_PACKET_SIZE_OVERFLOW 1024 |
d6661008 | 431 | |
3f9c7369 DS |
432 | /* |
433 | * Trigger delay for bgp_announce_route(). | |
434 | */ | |
435 | #define BGP_ANNOUNCE_ROUTE_SHORT_DELAY_MS 100 | |
436 | #define BGP_ANNOUNCE_ROUTE_DELAY_MS 500 | |
437 | ||
438 | struct peer_af | |
439 | { | |
440 | /* back pointer to the peer */ | |
441 | struct peer *peer; | |
442 | ||
443 | /* which subgroup the peer_af belongs to */ | |
444 | struct update_subgroup *subgroup; | |
445 | ||
446 | /* for being part of an update subgroup's peer list */ | |
447 | LIST_ENTRY(peer_af) subgrp_train; | |
448 | ||
449 | /* for being part of a packet's peer list */ | |
450 | LIST_ENTRY(peer_af) pkt_train; | |
451 | ||
452 | struct bpacket *next_pkt_to_send; | |
453 | ||
454 | /* | |
455 | * Trigger timer for bgp_announce_route(). | |
456 | */ | |
457 | struct thread *t_announce_route; | |
458 | ||
459 | afi_t afi; | |
460 | safi_t safi; | |
461 | int afid; | |
462 | }; | |
463 | ||
718e3744 | 464 | /* BGP neighbor structure. */ |
465 | struct peer | |
466 | { | |
467 | /* BGP structure. */ | |
468 | struct bgp *bgp; | |
469 | ||
200df115 | 470 | /* reference count, primarily to allow bgp_process'ing of route_node's |
471 | * to be done after a struct peer is deleted. | |
472 | * | |
473 | * named 'lock' for hysterical reasons within Quagga. | |
474 | */ | |
475 | int lock; | |
476 | ||
718e3744 | 477 | /* BGP peer group. */ |
478 | struct peer_group *group; | |
479 | u_char af_group[AFI_MAX][SAFI_MAX]; | |
3f9c7369 DS |
480 | u_int64_t version[AFI_MAX][SAFI_MAX]; |
481 | ||
482 | /* BGP peer_af structures, per configured AF on this peer */ | |
483 | struct peer_af *peer_af_array[BGP_AF_MAX]; | |
718e3744 | 484 | |
485 | /* Peer's remote AS number. */ | |
0299c004 DS |
486 | int as_type; |
487 | as_t as; | |
718e3744 | 488 | |
489 | /* Peer's local AS number. */ | |
490 | as_t local_as; | |
491 | ||
6d85b15b JBD |
492 | bgp_peer_sort_t sort; |
493 | ||
718e3744 | 494 | /* Peer's Change local AS number. */ |
495 | as_t change_local_as; | |
496 | ||
497 | /* Remote router ID. */ | |
498 | struct in_addr remote_id; | |
499 | ||
500 | /* Local router ID. */ | |
501 | struct in_addr local_id; | |
502 | ||
fee0f4c6 | 503 | /* Peer specific RIB when configured as route-server-client. */ |
504 | struct bgp_table *rib[AFI_MAX][SAFI_MAX]; | |
505 | ||
718e3744 | 506 | /* Packet receive and send buffer. */ |
507 | struct stream *ibuf; | |
508 | struct stream_fifo *obuf; | |
509 | struct stream *work; | |
510 | ||
8c71e481 PM |
511 | /* We use a separate stream to encode MP_REACH_NLRI for efficient |
512 | * NLRI packing. peer->work stores all the other attributes. The | |
513 | * actual packet is then constructed by concatenating the two. | |
514 | */ | |
515 | struct stream *scratch; | |
516 | ||
1ff9a340 DS |
517 | /* the doppelganger peer structure, due to dual TCP conn setup */ |
518 | struct peer *doppelganger; | |
519 | ||
718e3744 | 520 | /* Status of the peer. */ |
521 | int status; | |
522 | int ostatus; | |
523 | ||
6403814c DS |
524 | /* FSM events, stored for debug purposes. |
525 | * Note: uchar used for reduced memory usage. | |
526 | */ | |
527 | unsigned char cur_event; | |
528 | unsigned char last_event; | |
529 | unsigned char last_major_event; | |
530 | ||
0b2aa3a0 PJ |
531 | /* Peer index, used for dumping TABLE_DUMP_V2 format */ |
532 | uint16_t table_dump_index; | |
533 | ||
718e3744 | 534 | /* Peer information */ |
eb821189 | 535 | int fd; /* File descriptor */ |
536 | int ttl; /* TTL of TCP connection to the peer. */ | |
fa411a21 | 537 | int gtsm_hops; /* minimum hopcount to peer */ |
eb821189 | 538 | char *desc; /* Description of the peer. */ |
539 | unsigned short port; /* Destination port for peer */ | |
540 | char *host; /* Printable address of the peer. */ | |
541 | union sockunion su; /* Sockunion address of the peer. */ | |
a80beece | 542 | #define BGP_PEER_SU_UNSPEC(peer) (peer->su.sa.sa_family == AF_UNSPEC) |
eb821189 | 543 | time_t uptime; /* Last Up/Down time */ |
544 | time_t readtime; /* Last read time */ | |
545 | time_t resettime; /* Last reset time */ | |
718e3744 | 546 | |
eb821189 | 547 | unsigned int ifindex; /* ifindex of the BGP connection. */ |
a80beece | 548 | char *conf_if; /* neighbor interface config name. */ |
eb821189 | 549 | char *ifname; /* bind interface name. */ |
550 | char *update_if; | |
551 | union sockunion *update_source; | |
eb821189 | 552 | |
553 | union sockunion *su_local; /* Sockunion of local address. */ | |
554 | union sockunion *su_remote; /* Sockunion of remote address. */ | |
555 | int shared_network; /* Is this peer shared same network. */ | |
556 | struct bgp_nexthop nexthop; /* Nexthop */ | |
718e3744 | 557 | |
558 | /* Peer address family configuration. */ | |
559 | u_char afc[AFI_MAX][SAFI_MAX]; | |
560 | u_char afc_nego[AFI_MAX][SAFI_MAX]; | |
561 | u_char afc_adv[AFI_MAX][SAFI_MAX]; | |
562 | u_char afc_recv[AFI_MAX][SAFI_MAX]; | |
563 | ||
0a486e5f | 564 | /* Capability flags (reset in bgp_stop) */ |
6410e93a | 565 | u_int32_t cap; |
718e3744 | 566 | #define PEER_CAP_REFRESH_ADV (1 << 0) /* refresh advertised */ |
567 | #define PEER_CAP_REFRESH_OLD_RCV (1 << 1) /* refresh old received */ | |
568 | #define PEER_CAP_REFRESH_NEW_RCV (1 << 2) /* refresh rfc received */ | |
569 | #define PEER_CAP_DYNAMIC_ADV (1 << 3) /* dynamic advertised */ | |
570 | #define PEER_CAP_DYNAMIC_RCV (1 << 4) /* dynamic received */ | |
538621f2 | 571 | #define PEER_CAP_RESTART_ADV (1 << 5) /* restart advertised */ |
572 | #define PEER_CAP_RESTART_RCV (1 << 6) /* restart received */ | |
0b2aa3a0 PJ |
573 | #define PEER_CAP_AS4_ADV (1 << 7) /* as4 advertised */ |
574 | #define PEER_CAP_AS4_RCV (1 << 8) /* as4 received */ | |
fe7d2a48 DS |
575 | #define PEER_CAP_RESTART_BIT_ADV (1 << 9) /* sent restart state */ |
576 | #define PEER_CAP_RESTART_BIT_RCV (1 << 10) /* peer restart state */ | |
a82478b9 DS |
577 | #define PEER_CAP_ADDPATH_ADV (1 << 11) /* addpath advertised */ |
578 | #define PEER_CAP_ADDPATH_RCV (1 << 12) /* addpath received */ | |
c744aa9f DS |
579 | #define PEER_CAP_ENHE_ADV (1 << 13) /* Extended nexthop advertised */ |
580 | #define PEER_CAP_ENHE_RCV (1 << 14) /* Extended nexthop received */ | |
718e3744 | 581 | |
0a486e5f | 582 | /* Capability flags (reset in bgp_stop) */ |
718e3744 | 583 | u_int16_t af_cap[AFI_MAX][SAFI_MAX]; |
584 | #define PEER_CAP_ORF_PREFIX_SM_ADV (1 << 0) /* send-mode advertised */ | |
585 | #define PEER_CAP_ORF_PREFIX_RM_ADV (1 << 1) /* receive-mode advertised */ | |
586 | #define PEER_CAP_ORF_PREFIX_SM_RCV (1 << 2) /* send-mode received */ | |
587 | #define PEER_CAP_ORF_PREFIX_RM_RCV (1 << 3) /* receive-mode received */ | |
588 | #define PEER_CAP_ORF_PREFIX_SM_OLD_RCV (1 << 4) /* send-mode received */ | |
589 | #define PEER_CAP_ORF_PREFIX_RM_OLD_RCV (1 << 5) /* receive-mode received */ | |
93406d87 | 590 | #define PEER_CAP_RESTART_AF_RCV (1 << 6) /* graceful restart afi/safi received */ |
591 | #define PEER_CAP_RESTART_AF_PRESERVE_RCV (1 << 7) /* graceful restart afi/safi F-bit received */ | |
a82478b9 DS |
592 | #define PEER_CAP_ADDPATH_AF_TX_ADV (1 << 8) /* addpath tx advertised */ |
593 | #define PEER_CAP_ADDPATH_AF_TX_RCV (1 << 9) /* addpath tx received */ | |
594 | #define PEER_CAP_ADDPATH_AF_RX_ADV (1 << 10) /* addpath rx advertised */ | |
595 | #define PEER_CAP_ADDPATH_AF_RX_RCV (1 << 11) /* addpath rx received */ | |
8a92a8a0 DS |
596 | #define PEER_CAP_ENHE_AF_ADV (1 << 12) /* Extended nexthopi afi/safi advertised */ |
597 | #define PEER_CAP_ENHE_AF_RCV (1 << 13) /* Extended nexthop afi/safi received */ | |
598 | #define PEER_CAP_ENHE_AF_NEGO (1 << 14) /* Extended nexthop afi/safi negotiated */ | |
718e3744 | 599 | |
600 | /* Global configuration flags. */ | |
601 | u_int32_t flags; | |
602 | #define PEER_FLAG_PASSIVE (1 << 0) /* passive mode */ | |
603 | #define PEER_FLAG_SHUTDOWN (1 << 1) /* shutdown */ | |
604 | #define PEER_FLAG_DONT_CAPABILITY (1 << 2) /* dont-capability */ | |
605 | #define PEER_FLAG_OVERRIDE_CAPABILITY (1 << 3) /* override-capability */ | |
606 | #define PEER_FLAG_STRICT_CAP_MATCH (1 << 4) /* strict-match */ | |
c9502438 | 607 | #define PEER_FLAG_DYNAMIC_CAPABILITY (1 << 5) /* dynamic capability */ |
6ffd2079 | 608 | #define PEER_FLAG_DISABLE_CONNECTED_CHECK (1 << 6) /* disable-connected-check */ |
c9502438 | 609 | #define PEER_FLAG_LOCAL_AS_NO_PREPEND (1 << 7) /* local-as no-prepend */ |
9d3f9705 | 610 | #define PEER_FLAG_LOCAL_AS_REPLACE_AS (1 << 8) /* local-as no-prepend replace-as */ |
1ff9a340 DS |
611 | #define PEER_FLAG_DELETE (1 << 9) /* mark the peer for deleting */ |
612 | #define PEER_FLAG_CONFIG_NODE (1 << 10) /* the node to update configs on */ | |
d5a5c8f0 | 613 | #define PEER_FLAG_BFD (1 << 11) /* bfd */ |
3f9c7369 | 614 | #define PEER_FLAG_LONESOUL (1 << 12) |
f14e6fdb | 615 | #define PEER_FLAG_DYNAMIC_NEIGHBOR (1 << 13) /* dynamic neighbor */ |
8a92a8a0 | 616 | #define PEER_FLAG_CAPABILITY_ENHE (1 << 14) /* Extended next-hop (rfc 5549)*/ |
718e3744 | 617 | |
93406d87 | 618 | /* NSF mode (graceful restart) */ |
619 | u_char nsf[AFI_MAX][SAFI_MAX]; | |
620 | ||
718e3744 | 621 | /* Per AF configuration flags. */ |
622 | u_int32_t af_flags[AFI_MAX][SAFI_MAX]; | |
623 | #define PEER_FLAG_SEND_COMMUNITY (1 << 0) /* send-community */ | |
624 | #define PEER_FLAG_SEND_EXT_COMMUNITY (1 << 1) /* send-community ext. */ | |
625 | #define PEER_FLAG_NEXTHOP_SELF (1 << 2) /* next-hop-self */ | |
626 | #define PEER_FLAG_REFLECTOR_CLIENT (1 << 3) /* reflector-client */ | |
627 | #define PEER_FLAG_RSERVER_CLIENT (1 << 4) /* route-server-client */ | |
628 | #define PEER_FLAG_SOFT_RECONFIG (1 << 5) /* soft-reconfiguration */ | |
629 | #define PEER_FLAG_AS_PATH_UNCHANGED (1 << 6) /* transparent-as */ | |
630 | #define PEER_FLAG_NEXTHOP_UNCHANGED (1 << 7) /* transparent-next-hop */ | |
631 | #define PEER_FLAG_MED_UNCHANGED (1 << 8) /* transparent-next-hop */ | |
632 | #define PEER_FLAG_DEFAULT_ORIGINATE (1 << 9) /* default-originate */ | |
633 | #define PEER_FLAG_REMOVE_PRIVATE_AS (1 << 10) /* remove-private-as */ | |
634 | #define PEER_FLAG_ALLOWAS_IN (1 << 11) /* set allowas-in */ | |
635 | #define PEER_FLAG_ORF_PREFIX_SM (1 << 12) /* orf capability send-mode */ | |
636 | #define PEER_FLAG_ORF_PREFIX_RM (1 << 13) /* orf capability receive-mode */ | |
637 | #define PEER_FLAG_MAX_PREFIX (1 << 14) /* maximum prefix */ | |
638 | #define PEER_FLAG_MAX_PREFIX_WARNING (1 << 15) /* maximum prefix warning-only */ | |
0df7c91f | 639 | #define PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED (1 << 16) /* leave link-local nexthop unchanged */ |
9e7a53c1 | 640 | #define PEER_FLAG_NEXTHOP_SELF_ALL (1 << 17) /* next-hop-self all */ |
5000f21c DS |
641 | #define PEER_FLAG_REMOVE_PRIVATE_AS_ALL (1 << 18) /* remove-private-as all */ |
642 | #define PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE (1 << 19) /* remove-private-as replace-as */ | |
c7122e14 | 643 | #define PEER_FLAG_AS_OVERRIDE (1 << 20) /* as-override */ |
0df7c91f PJ |
644 | |
645 | /* MD5 password */ | |
646 | char *password; | |
718e3744 | 647 | |
648 | /* default-originate route-map. */ | |
649 | struct | |
650 | { | |
651 | char *name; | |
652 | struct route_map *map; | |
653 | } default_rmap[AFI_MAX][SAFI_MAX]; | |
654 | ||
655 | /* Peer status flags. */ | |
656 | u_int16_t sflags; | |
657 | #define PEER_STATUS_ACCEPT_PEER (1 << 0) /* accept peer */ | |
658 | #define PEER_STATUS_PREFIX_OVERFLOW (1 << 1) /* prefix-overflow */ | |
659 | #define PEER_STATUS_CAPABILITY_OPEN (1 << 2) /* capability open send */ | |
660 | #define PEER_STATUS_HAVE_ACCEPT (1 << 3) /* accept peer's parent */ | |
661 | #define PEER_STATUS_GROUP (1 << 4) /* peer-group conf */ | |
93406d87 | 662 | #define PEER_STATUS_NSF_MODE (1 << 5) /* NSF aware peer */ |
663 | #define PEER_STATUS_NSF_WAIT (1 << 6) /* wait comeback peer */ | |
718e3744 | 664 | |
0a486e5f | 665 | /* Peer status af flags (reset in bgp_stop) */ |
718e3744 | 666 | u_int16_t af_sflags[AFI_MAX][SAFI_MAX]; |
667 | #define PEER_STATUS_ORF_PREFIX_SEND (1 << 0) /* prefix-list send peer */ | |
668 | #define PEER_STATUS_ORF_WAIT_REFRESH (1 << 1) /* wait refresh received peer */ | |
840fced9 DS |
669 | #define PEER_STATUS_PREFIX_THRESHOLD (1 << 2) /* exceed prefix-threshold */ |
670 | #define PEER_STATUS_PREFIX_LIMIT (1 << 3) /* exceed prefix-limit */ | |
671 | #define PEER_STATUS_EOR_SEND (1 << 4) /* end-of-rib send to peer */ | |
672 | #define PEER_STATUS_EOR_RECEIVED (1 << 5) /* end-of-rib received from peer */ | |
e0701b79 | 673 | |
718e3744 | 674 | /* Default attribute value for the peer. */ |
675 | u_int32_t config; | |
676 | #define PEER_CONFIG_WEIGHT (1 << 0) /* Default weight. */ | |
677 | #define PEER_CONFIG_TIMER (1 << 1) /* keepalive & holdtime */ | |
678 | #define PEER_CONFIG_CONNECT (1 << 2) /* connect */ | |
679 | #define PEER_CONFIG_ROUTEADV (1 << 3) /* route advertise */ | |
680 | u_int32_t weight; | |
681 | u_int32_t holdtime; | |
682 | u_int32_t keepalive; | |
683 | u_int32_t connect; | |
684 | u_int32_t routeadv; | |
685 | ||
686 | /* Timer values. */ | |
687 | u_int32_t v_start; | |
688 | u_int32_t v_connect; | |
689 | u_int32_t v_holdtime; | |
690 | u_int32_t v_keepalive; | |
691 | u_int32_t v_asorig; | |
692 | u_int32_t v_routeadv; | |
0a486e5f | 693 | u_int32_t v_pmax_restart; |
93406d87 | 694 | u_int32_t v_gr_restart; |
718e3744 | 695 | |
696 | /* Threads. */ | |
697 | struct thread *t_read; | |
698 | struct thread *t_write; | |
699 | struct thread *t_start; | |
700 | struct thread *t_connect; | |
701 | struct thread *t_holdtime; | |
702 | struct thread *t_keepalive; | |
703 | struct thread *t_asorig; | |
704 | struct thread *t_routeadv; | |
0a486e5f | 705 | struct thread *t_pmax_restart; |
93406d87 | 706 | struct thread *t_gr_restart; |
707 | struct thread *t_gr_stale; | |
64e580a7 PJ |
708 | |
709 | /* workqueues */ | |
710 | struct work_queue *clear_node_queue; | |
711 | ||
718e3744 | 712 | /* Statistics field */ |
713 | u_int32_t open_in; /* Open message input count */ | |
714 | u_int32_t open_out; /* Open message output count */ | |
715 | u_int32_t update_in; /* Update message input count */ | |
716 | u_int32_t update_out; /* Update message ouput count */ | |
717 | time_t update_time; /* Update message received time. */ | |
718 | u_int32_t keepalive_in; /* Keepalive input count */ | |
719 | u_int32_t keepalive_out; /* Keepalive output count */ | |
720 | u_int32_t notify_in; /* Notify input count */ | |
721 | u_int32_t notify_out; /* Notify output count */ | |
722 | u_int32_t refresh_in; /* Route Refresh input count */ | |
723 | u_int32_t refresh_out; /* Route Refresh output count */ | |
724 | u_int32_t dynamic_cap_in; /* Dynamic Capability input count. */ | |
725 | u_int32_t dynamic_cap_out; /* Dynamic Capability output count. */ | |
726 | ||
727 | /* BGP state count */ | |
728 | u_int32_t established; /* Established */ | |
729 | u_int32_t dropped; /* Dropped */ | |
730 | ||
f188f2c4 DS |
731 | /* Update delay related fields */ |
732 | u_char update_delay_over; /* When this is set, BGP is no more waiting for EOR */ | |
733 | ||
718e3744 | 734 | /* Syncronization list and time. */ |
735 | struct bgp_synchronize *sync[AFI_MAX][SAFI_MAX]; | |
736 | time_t synctime; | |
cb1faec9 | 737 | time_t last_write; /* timestamp when the last UPDATE msg was written */ |
718e3744 | 738 | |
739 | /* Send prefix count. */ | |
740 | unsigned long scount[AFI_MAX][SAFI_MAX]; | |
741 | ||
742 | /* Announcement attribute hash. */ | |
743 | struct hash *hash[AFI_MAX][SAFI_MAX]; | |
744 | ||
745 | /* Notify data. */ | |
746 | struct bgp_notify notify; | |
747 | ||
748 | /* Whole packet size to be read. */ | |
749 | unsigned long packet_size; | |
750 | ||
751 | /* Filter structure. */ | |
752 | struct bgp_filter filter[AFI_MAX][SAFI_MAX]; | |
753 | ||
754 | /* ORF Prefix-list */ | |
755 | struct prefix_list *orf_plist[AFI_MAX][SAFI_MAX]; | |
756 | ||
16286195 DS |
757 | /* Text description of last attribute rcvd */ |
758 | char rcvd_attr_str[BUFSIZ]; | |
759 | ||
760 | /* Track if we printed the attribute in debugs */ | |
761 | int rcvd_attr_printed; | |
762 | ||
718e3744 | 763 | /* Prefix count. */ |
764 | unsigned long pcount[AFI_MAX][SAFI_MAX]; | |
765 | ||
766 | /* Max prefix count. */ | |
767 | unsigned long pmax[AFI_MAX][SAFI_MAX]; | |
e0701b79 | 768 | u_char pmax_threshold[AFI_MAX][SAFI_MAX]; |
0a486e5f | 769 | u_int16_t pmax_restart[AFI_MAX][SAFI_MAX]; |
e0701b79 | 770 | #define MAXIMUM_PREFIX_THRESHOLD_DEFAULT 75 |
718e3744 | 771 | |
772 | /* allowas-in. */ | |
773 | char allowas_in[AFI_MAX][SAFI_MAX]; | |
ac41b2a2 | 774 | |
e0701b79 | 775 | /* peer reset cause */ |
776 | char last_reset; | |
777 | #define PEER_DOWN_RID_CHANGE 1 /* bgp router-id command */ | |
778 | #define PEER_DOWN_REMOTE_AS_CHANGE 2 /* neighbor remote-as command */ | |
779 | #define PEER_DOWN_LOCAL_AS_CHANGE 3 /* neighbor local-as command */ | |
780 | #define PEER_DOWN_CLID_CHANGE 4 /* bgp cluster-id command */ | |
781 | #define PEER_DOWN_CONFED_ID_CHANGE 5 /* bgp confederation identifier command */ | |
782 | #define PEER_DOWN_CONFED_PEER_CHANGE 6 /* bgp confederation peer command */ | |
783 | #define PEER_DOWN_RR_CLIENT_CHANGE 7 /* neighbor route-reflector-client command */ | |
784 | #define PEER_DOWN_RS_CLIENT_CHANGE 8 /* neighbor route-server-client command */ | |
785 | #define PEER_DOWN_UPDATE_SOURCE_CHANGE 9 /* neighbor update-source command */ | |
786 | #define PEER_DOWN_AF_ACTIVATE 10 /* neighbor activate command */ | |
787 | #define PEER_DOWN_USER_SHUTDOWN 11 /* neighbor shutdown command */ | |
788 | #define PEER_DOWN_USER_RESET 12 /* clear ip bgp command */ | |
789 | #define PEER_DOWN_NOTIFY_RECEIVED 13 /* notification received */ | |
790 | #define PEER_DOWN_NOTIFY_SEND 14 /* notification send */ | |
791 | #define PEER_DOWN_CLOSE_SESSION 15 /* tcp session close */ | |
792 | #define PEER_DOWN_NEIGHBOR_DELETE 16 /* neghbor delete */ | |
793 | #define PEER_DOWN_RMAP_BIND 17 /* neghbor peer-group command */ | |
794 | #define PEER_DOWN_RMAP_UNBIND 18 /* no neighbor peer-group command */ | |
795 | #define PEER_DOWN_CAPABILITY_CHANGE 19 /* neighbor capability command */ | |
796 | #define PEER_DOWN_PASSIVE_CHANGE 20 /* neighbor passive command */ | |
797 | #define PEER_DOWN_MULTIHOP_CHANGE 21 /* neighbor multihop command */ | |
93406d87 | 798 | #define PEER_DOWN_NSF_CLOSE_SESSION 22 /* NSF tcp session close */ |
d6661008 DS |
799 | unsigned long last_reset_cause_size; |
800 | u_char last_reset_cause[BGP_MAX_PACKET_SIZE]; | |
e0701b79 | 801 | |
ac41b2a2 | 802 | /* The kind of route-map Flags.*/ |
803 | u_char rmap_type; | |
804 | #define PEER_RMAP_TYPE_IN (1 << 0) /* neighbor route-map in */ | |
805 | #define PEER_RMAP_TYPE_OUT (1 << 1) /* neighbor route-map out */ | |
806 | #define PEER_RMAP_TYPE_NETWORK (1 << 2) /* network route-map */ | |
807 | #define PEER_RMAP_TYPE_REDISTRIBUTE (1 << 3) /* redistribute route-map */ | |
808 | #define PEER_RMAP_TYPE_DEFAULT (1 << 4) /* default-originate route-map */ | |
809 | #define PEER_RMAP_TYPE_NOSET (1 << 5) /* not allow to set commands */ | |
fee0f4c6 | 810 | #define PEER_RMAP_TYPE_IMPORT (1 << 6) /* neighbor route-map import */ |
811 | #define PEER_RMAP_TYPE_EXPORT (1 << 7) /* neighbor route-map export */ | |
6410e93a | 812 | |
c43ed2e4 DS |
813 | /* peer specific BFD information */ |
814 | void *bfd_info; | |
718e3744 | 815 | }; |
816 | ||
0df7c91f PJ |
817 | #define PEER_PASSWORD_MINLEN (1) |
818 | #define PEER_PASSWORD_MAXLEN (80) | |
819 | ||
718e3744 | 820 | /* This structure's member directly points incoming packet data |
821 | stream. */ | |
822 | struct bgp_nlri | |
823 | { | |
824 | /* AFI. */ | |
825 | afi_t afi; | |
826 | ||
827 | /* SAFI. */ | |
828 | safi_t safi; | |
829 | ||
830 | /* Pointer to NLRI byte stream. */ | |
831 | u_char *nlri; | |
832 | ||
833 | /* Length of whole NLRI. */ | |
834 | bgp_size_t length; | |
835 | }; | |
836 | ||
3f9c7369 DS |
837 | #define PEERAF_FOREACH(peer, paf, afi) \ |
838 | for ((afi) = BGP_AF_START, (paf) = (peer)->peer_af_array[(afi)]; \ | |
839 | (afi) < BGP_AF_MAX; \ | |
840 | (afi)++, (paf) = (peer)->peer_af_array[(afi)]) \ | |
841 | if ((paf) != NULL) \ | |
842 | ||
718e3744 | 843 | /* BGP versions. */ |
844 | #define BGP_VERSION_4 4 | |
718e3744 | 845 | |
846 | /* Default BGP port number. */ | |
847 | #define BGP_PORT_DEFAULT 179 | |
848 | ||
718e3744 | 849 | /* BGP minimum message size. */ |
850 | #define BGP_MSG_OPEN_MIN_SIZE (BGP_HEADER_SIZE + 10) | |
851 | #define BGP_MSG_UPDATE_MIN_SIZE (BGP_HEADER_SIZE + 4) | |
852 | #define BGP_MSG_NOTIFY_MIN_SIZE (BGP_HEADER_SIZE + 2) | |
853 | #define BGP_MSG_KEEPALIVE_MIN_SIZE (BGP_HEADER_SIZE + 0) | |
854 | #define BGP_MSG_ROUTE_REFRESH_MIN_SIZE (BGP_HEADER_SIZE + 4) | |
855 | #define BGP_MSG_CAPABILITY_MIN_SIZE (BGP_HEADER_SIZE + 3) | |
856 | ||
857 | /* BGP message types. */ | |
858 | #define BGP_MSG_OPEN 1 | |
859 | #define BGP_MSG_UPDATE 2 | |
860 | #define BGP_MSG_NOTIFY 3 | |
861 | #define BGP_MSG_KEEPALIVE 4 | |
862 | #define BGP_MSG_ROUTE_REFRESH_NEW 5 | |
863 | #define BGP_MSG_CAPABILITY 6 | |
864 | #define BGP_MSG_ROUTE_REFRESH_OLD 128 | |
865 | ||
866 | /* BGP open optional parameter. */ | |
867 | #define BGP_OPEN_OPT_AUTH 1 | |
868 | #define BGP_OPEN_OPT_CAP 2 | |
869 | ||
870 | /* BGP4 attribute type codes. */ | |
871 | #define BGP_ATTR_ORIGIN 1 | |
872 | #define BGP_ATTR_AS_PATH 2 | |
873 | #define BGP_ATTR_NEXT_HOP 3 | |
874 | #define BGP_ATTR_MULTI_EXIT_DISC 4 | |
875 | #define BGP_ATTR_LOCAL_PREF 5 | |
876 | #define BGP_ATTR_ATOMIC_AGGREGATE 6 | |
877 | #define BGP_ATTR_AGGREGATOR 7 | |
878 | #define BGP_ATTR_COMMUNITIES 8 | |
879 | #define BGP_ATTR_ORIGINATOR_ID 9 | |
880 | #define BGP_ATTR_CLUSTER_LIST 10 | |
881 | #define BGP_ATTR_DPA 11 | |
882 | #define BGP_ATTR_ADVERTISER 12 | |
883 | #define BGP_ATTR_RCID_PATH 13 | |
884 | #define BGP_ATTR_MP_REACH_NLRI 14 | |
885 | #define BGP_ATTR_MP_UNREACH_NLRI 15 | |
886 | #define BGP_ATTR_EXT_COMMUNITIES 16 | |
0b2aa3a0 PJ |
887 | #define BGP_ATTR_AS4_PATH 17 |
888 | #define BGP_ATTR_AS4_AGGREGATOR 18 | |
41367172 | 889 | #define BGP_ATTR_AS_PATHLIMIT 21 |
718e3744 | 890 | |
891 | /* BGP update origin. */ | |
892 | #define BGP_ORIGIN_IGP 0 | |
893 | #define BGP_ORIGIN_EGP 1 | |
894 | #define BGP_ORIGIN_INCOMPLETE 2 | |
895 | ||
896 | /* BGP notify message codes. */ | |
897 | #define BGP_NOTIFY_HEADER_ERR 1 | |
898 | #define BGP_NOTIFY_OPEN_ERR 2 | |
899 | #define BGP_NOTIFY_UPDATE_ERR 3 | |
900 | #define BGP_NOTIFY_HOLD_ERR 4 | |
901 | #define BGP_NOTIFY_FSM_ERR 5 | |
902 | #define BGP_NOTIFY_CEASE 6 | |
903 | #define BGP_NOTIFY_CAPABILITY_ERR 7 | |
904 | #define BGP_NOTIFY_MAX 8 | |
905 | ||
4b4e07d2 DT |
906 | #define BGP_NOTIFY_SUBCODE_UNSPECIFIC 0 |
907 | ||
718e3744 | 908 | /* BGP_NOTIFY_HEADER_ERR sub codes. */ |
909 | #define BGP_NOTIFY_HEADER_NOT_SYNC 1 | |
910 | #define BGP_NOTIFY_HEADER_BAD_MESLEN 2 | |
911 | #define BGP_NOTIFY_HEADER_BAD_MESTYPE 3 | |
912 | #define BGP_NOTIFY_HEADER_MAX 4 | |
913 | ||
914 | /* BGP_NOTIFY_OPEN_ERR sub codes. */ | |
915 | #define BGP_NOTIFY_OPEN_UNSUP_VERSION 1 | |
916 | #define BGP_NOTIFY_OPEN_BAD_PEER_AS 2 | |
917 | #define BGP_NOTIFY_OPEN_BAD_BGP_IDENT 3 | |
918 | #define BGP_NOTIFY_OPEN_UNSUP_PARAM 4 | |
919 | #define BGP_NOTIFY_OPEN_AUTH_FAILURE 5 | |
920 | #define BGP_NOTIFY_OPEN_UNACEP_HOLDTIME 6 | |
921 | #define BGP_NOTIFY_OPEN_UNSUP_CAPBL 7 | |
922 | #define BGP_NOTIFY_OPEN_MAX 8 | |
923 | ||
924 | /* BGP_NOTIFY_UPDATE_ERR sub codes. */ | |
925 | #define BGP_NOTIFY_UPDATE_MAL_ATTR 1 | |
926 | #define BGP_NOTIFY_UPDATE_UNREC_ATTR 2 | |
927 | #define BGP_NOTIFY_UPDATE_MISS_ATTR 3 | |
928 | #define BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR 4 | |
929 | #define BGP_NOTIFY_UPDATE_ATTR_LENG_ERR 5 | |
930 | #define BGP_NOTIFY_UPDATE_INVAL_ORIGIN 6 | |
931 | #define BGP_NOTIFY_UPDATE_AS_ROUTE_LOOP 7 | |
932 | #define BGP_NOTIFY_UPDATE_INVAL_NEXT_HOP 8 | |
933 | #define BGP_NOTIFY_UPDATE_OPT_ATTR_ERR 9 | |
934 | #define BGP_NOTIFY_UPDATE_INVAL_NETWORK 10 | |
935 | #define BGP_NOTIFY_UPDATE_MAL_AS_PATH 11 | |
936 | #define BGP_NOTIFY_UPDATE_MAX 12 | |
937 | ||
4b4e07d2 | 938 | /* BGP_NOTIFY_CEASE sub codes (RFC 4486). */ |
718e3744 | 939 | #define BGP_NOTIFY_CEASE_MAX_PREFIX 1 |
940 | #define BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN 2 | |
941 | #define BGP_NOTIFY_CEASE_PEER_UNCONFIG 3 | |
942 | #define BGP_NOTIFY_CEASE_ADMIN_RESET 4 | |
943 | #define BGP_NOTIFY_CEASE_CONNECT_REJECT 5 | |
944 | #define BGP_NOTIFY_CEASE_CONFIG_CHANGE 6 | |
545acafb | 945 | #define BGP_NOTIFY_CEASE_COLLISION_RESOLUTION 7 |
946 | #define BGP_NOTIFY_CEASE_OUT_OF_RESOURCE 8 | |
947 | #define BGP_NOTIFY_CEASE_MAX 9 | |
718e3744 | 948 | |
949 | /* BGP_NOTIFY_CAPABILITY_ERR sub codes (draft-ietf-idr-dynamic-cap-02). */ | |
950 | #define BGP_NOTIFY_CAPABILITY_INVALID_ACTION 1 | |
951 | #define BGP_NOTIFY_CAPABILITY_INVALID_LENGTH 2 | |
952 | #define BGP_NOTIFY_CAPABILITY_MALFORMED_CODE 3 | |
953 | #define BGP_NOTIFY_CAPABILITY_MAX 4 | |
954 | ||
955 | /* BGP finite state machine status. */ | |
956 | #define Idle 1 | |
957 | #define Connect 2 | |
958 | #define Active 3 | |
959 | #define OpenSent 4 | |
960 | #define OpenConfirm 5 | |
961 | #define Established 6 | |
ca058a30 PJ |
962 | #define Clearing 7 |
963 | #define Deleted 8 | |
964 | #define BGP_STATUS_MAX 9 | |
718e3744 | 965 | |
966 | /* BGP finite state machine events. */ | |
967 | #define BGP_Start 1 | |
968 | #define BGP_Stop 2 | |
969 | #define TCP_connection_open 3 | |
970 | #define TCP_connection_closed 4 | |
971 | #define TCP_connection_open_failed 5 | |
972 | #define TCP_fatal_error 6 | |
973 | #define ConnectRetry_timer_expired 7 | |
974 | #define Hold_Timer_expired 8 | |
975 | #define KeepAlive_timer_expired 9 | |
976 | #define Receive_OPEN_message 10 | |
977 | #define Receive_KEEPALIVE_message 11 | |
978 | #define Receive_UPDATE_message 12 | |
979 | #define Receive_NOTIFICATION_message 13 | |
ca058a30 PJ |
980 | #define Clearing_Completed 14 |
981 | #define BGP_EVENTS_MAX 15 | |
718e3744 | 982 | |
983 | /* BGP timers default value. */ | |
5ca5f1c8 | 984 | #define BGP_INIT_START_TIMER 1 |
718e3744 | 985 | #define BGP_ERROR_START_TIMER 30 |
986 | #define BGP_DEFAULT_HOLDTIME 180 | |
987 | #define BGP_DEFAULT_KEEPALIVE 60 | |
988 | #define BGP_DEFAULT_ASORIGINATE 15 | |
989 | #define BGP_DEFAULT_EBGP_ROUTEADV 30 | |
990 | #define BGP_DEFAULT_IBGP_ROUTEADV 5 | |
718e3744 | 991 | #define BGP_DEFAULT_CONNECT_RETRY 120 |
992 | ||
993 | /* BGP default local preference. */ | |
994 | #define BGP_DEFAULT_LOCAL_PREF 100 | |
995 | ||
3f9c7369 DS |
996 | /* BGP default subgroup packet queue max . */ |
997 | #define BGP_DEFAULT_SUBGROUP_PKT_QUEUE_MAX 40 | |
998 | ||
538621f2 | 999 | /* BGP graceful restart */ |
1000 | #define BGP_DEFAULT_RESTART_TIME 120 | |
1001 | #define BGP_DEFAULT_STALEPATH_TIME 360 | |
1002 | ||
42e6d745 DO |
1003 | /* RFC4364 */ |
1004 | #define SAFI_MPLS_LABELED_VPN 128 | |
718e3744 | 1005 | |
1006 | /* Max TTL value. */ | |
1007 | #define TTL_MAX 255 | |
1008 | ||
1009 | /* BGP uptime string length. */ | |
1010 | #define BGP_UPTIME_LEN 25 | |
1011 | ||
1012 | /* Default configuration settings for bgpd. */ | |
1013 | #define BGP_VTY_PORT 2605 | |
718e3744 | 1014 | #define BGP_DEFAULT_CONFIG "bgpd.conf" |
1015 | ||
1016 | /* Check AS path loop when we send NLRI. */ | |
1017 | /* #define BGP_SEND_ASPATH_CHECK */ | |
1018 | ||
f14e6fdb DS |
1019 | /* BGP Dynamic Neighbors feature */ |
1020 | #define BGP_DYNAMIC_NEIGHBORS_LIMIT_DEFAULT 100 | |
1021 | #define BGP_DYNAMIC_NEIGHBORS_LIMIT_MIN 1 | |
1022 | #define BGP_DYNAMIC_NEIGHBORS_LIMIT_MAX 5000 | |
1023 | ||
718e3744 | 1024 | /* Flag for peer_clear_soft(). */ |
1025 | enum bgp_clear_type | |
1026 | { | |
1027 | BGP_CLEAR_SOFT_NONE, | |
1028 | BGP_CLEAR_SOFT_OUT, | |
1029 | BGP_CLEAR_SOFT_IN, | |
1030 | BGP_CLEAR_SOFT_BOTH, | |
fee0f4c6 | 1031 | BGP_CLEAR_SOFT_IN_ORF_PREFIX, |
1032 | BGP_CLEAR_SOFT_RSCLIENT | |
718e3744 | 1033 | }; |
1034 | ||
1035 | /* Macros. */ | |
1036 | #define BGP_INPUT(P) ((P)->ibuf) | |
1037 | #define BGP_INPUT_PNT(P) (STREAM_PNT(BGP_INPUT(P))) | |
6aa136f1 VS |
1038 | #define BGP_IS_VALID_STATE_FOR_NOTIF(S)\ |
1039 | (((S) == OpenSent) || ((S) == OpenConfirm) || ((S) == Established)) | |
718e3744 | 1040 | |
718e3744 | 1041 | /* Count prefix size from mask length */ |
1042 | #define PSIZE(a) (((a) + 7) / (8)) | |
1043 | ||
1044 | /* BGP error codes. */ | |
1045 | #define BGP_SUCCESS 0 | |
1046 | #define BGP_ERR_INVALID_VALUE -1 | |
1047 | #define BGP_ERR_INVALID_FLAG -2 | |
1048 | #define BGP_ERR_INVALID_AS -3 | |
1049 | #define BGP_ERR_INVALID_BGP -4 | |
1050 | #define BGP_ERR_PEER_GROUP_MEMBER -5 | |
1051 | #define BGP_ERR_MULTIPLE_INSTANCE_USED -6 | |
1052 | #define BGP_ERR_PEER_GROUP_MEMBER_EXISTS -7 | |
1053 | #define BGP_ERR_PEER_BELONGS_TO_GROUP -8 | |
1054 | #define BGP_ERR_PEER_GROUP_AF_UNCONFIGURED -9 | |
1055 | #define BGP_ERR_PEER_GROUP_NO_REMOTE_AS -10 | |
1056 | #define BGP_ERR_PEER_GROUP_CANT_CHANGE -11 | |
1057 | #define BGP_ERR_PEER_GROUP_MISMATCH -12 | |
1058 | #define BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT -13 | |
1059 | #define BGP_ERR_MULTIPLE_INSTANCE_NOT_SET -14 | |
1060 | #define BGP_ERR_AS_MISMATCH -15 | |
1061 | #define BGP_ERR_PEER_INACTIVE -16 | |
1062 | #define BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER -17 | |
1063 | #define BGP_ERR_PEER_GROUP_HAS_THE_FLAG -18 | |
1064 | #define BGP_ERR_PEER_FLAG_CONFLICT -19 | |
1065 | #define BGP_ERR_PEER_GROUP_SHUTDOWN -20 | |
1066 | #define BGP_ERR_PEER_FILTER_CONFLICT -21 | |
1067 | #define BGP_ERR_NOT_INTERNAL_PEER -22 | |
1068 | #define BGP_ERR_REMOVE_PRIVATE_AS -23 | |
1069 | #define BGP_ERR_AF_UNCONFIGURED -24 | |
1070 | #define BGP_ERR_SOFT_RECONFIG_UNCONFIGURED -25 | |
1071 | #define BGP_ERR_INSTANCE_MISMATCH -26 | |
1072 | #define BGP_ERR_LOCAL_AS_ALLOWED_ONLY_FOR_EBGP -27 | |
1073 | #define BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS -28 | |
0df7c91f | 1074 | #define BGP_ERR_TCPSIG_FAILED -29 |
fa411a21 | 1075 | #define BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK -30 |
f5a4827d | 1076 | #define BGP_ERR_NO_IBGP_WITH_TTLHACK -31 |
a80beece | 1077 | #define BGP_ERR_NO_INTERFACE_CONFIG -32 |
9d3f9705 | 1078 | #define BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS_REMOTE_AS -33 |
c7122e14 | 1079 | #define BGP_ERR_AS_OVERRIDE -34 |
f14e6fdb DS |
1080 | #define BGP_ERR_INVALID_DYNAMIC_NEIGHBORS_LIMIT -35 |
1081 | #define BGP_ERR_DYNAMIC_NEIGHBORS_RANGE_EXISTS -36 | |
1082 | #define BGP_ERR_DYNAMIC_NEIGHBORS_RANGE_NOT_FOUND -37 | |
1083 | #define BGP_ERR_INVALID_FOR_DYNAMIC_PEER -38 | |
1084 | #define BGP_ERR_MAX -39 | |
718e3744 | 1085 | |
3f9c7369 DS |
1086 | /* |
1087 | * Enumeration of different policy kinds a peer can be configured with. | |
1088 | */ | |
1089 | typedef enum | |
1090 | { | |
1091 | BGP_POLICY_ROUTE_MAP, | |
1092 | BGP_POLICY_FILTER_LIST, | |
1093 | BGP_POLICY_PREFIX_LIST, | |
1094 | BGP_POLICY_DISTRIBUTE_LIST, | |
1095 | } bgp_policy_type_e; | |
1096 | ||
718e3744 | 1097 | extern struct bgp_master *bm; |
1098 | ||
1099 | extern struct thread_master *master; | |
1100 | ||
1101 | /* Prototypes. */ | |
94f2b392 | 1102 | extern void bgp_terminate (void); |
1103 | extern void bgp_reset (void); | |
65957886 | 1104 | extern time_t bgp_clock (void); |
94f2b392 | 1105 | extern void bgp_zclient_reset (void); |
1106 | extern int bgp_nexthop_set (union sockunion *, union sockunion *, | |
718e3744 | 1107 | struct bgp_nexthop *, struct peer *); |
94f2b392 | 1108 | extern struct bgp *bgp_get_default (void); |
1109 | extern struct bgp *bgp_lookup (as_t, const char *); | |
1110 | extern struct bgp *bgp_lookup_by_name (const char *); | |
1111 | extern struct peer *peer_lookup (struct bgp *, union sockunion *); | |
a80beece DS |
1112 | extern struct peer *peer_lookup_by_conf_if (struct bgp *, const char *); |
1113 | extern struct peer *peer_conf_interface_get(struct bgp *, const char *, afi_t, | |
1114 | safi_t); | |
1115 | extern void bgp_peer_conf_if_to_su_update (struct peer *); | |
ffd0c037 | 1116 | extern int peer_group_listen_range_del(struct peer_group *, struct prefix *); |
94f2b392 | 1117 | extern struct peer_group *peer_group_lookup (struct bgp *, const char *); |
1118 | extern struct peer_group *peer_group_get (struct bgp *, const char *); | |
f14e6fdb DS |
1119 | extern struct peer *peer_create_bind_dynamic_neighbor (struct bgp *, |
1120 | union sockunion *, struct peer_group *); | |
1121 | extern struct prefix *peer_group_lookup_dynamic_neighbor_range ( | |
1122 | struct peer_group *, struct prefix *); | |
1123 | extern struct peer_group *peer_group_lookup_dynamic_neighbor (struct bgp *, | |
1124 | struct prefix *, struct prefix **); | |
1125 | extern struct peer *peer_lookup_dynamic_neighbor (struct bgp *, | |
1126 | union sockunion *); | |
1127 | extern void peer_drop_dynamic_neighbor (struct peer *); | |
200df115 | 1128 | extern struct peer *peer_lock (struct peer *); |
1129 | extern struct peer *peer_unlock (struct peer *); | |
6d85b15b | 1130 | extern bgp_peer_sort_t peer_sort (struct peer *peer); |
94f2b392 | 1131 | extern int peer_active (struct peer *); |
1132 | extern int peer_active_nego (struct peer *); | |
a80beece | 1133 | extern struct peer *peer_create(union sockunion *, const char *, struct bgp *, |
0299c004 | 1134 | as_t, as_t, int, afi_t, safi_t); |
94f2b392 | 1135 | extern struct peer *peer_create_accept (struct bgp *); |
1ff9a340 | 1136 | extern void peer_xfer_config (struct peer *dst, struct peer *src); |
94f2b392 | 1137 | extern char *peer_uptime (time_t, char *, size_t); |
1138 | extern int bgp_config_write (struct vty *); | |
1139 | extern void bgp_config_write_family_header (struct vty *, afi_t, safi_t, int *); | |
6b0655a2 | 1140 | |
94f2b392 | 1141 | extern void bgp_master_init (void); |
718e3744 | 1142 | |
94f2b392 | 1143 | extern void bgp_init (void); |
1144 | extern void bgp_route_map_init (void); | |
718e3744 | 1145 | |
94f2b392 | 1146 | extern int bgp_option_set (int); |
1147 | extern int bgp_option_unset (int); | |
1148 | extern int bgp_option_check (int); | |
718e3744 | 1149 | |
94f2b392 | 1150 | extern int bgp_get (struct bgp **, as_t *, const char *); |
1151 | extern int bgp_delete (struct bgp *); | |
718e3744 | 1152 | |
94f2b392 | 1153 | extern int bgp_flag_set (struct bgp *, int); |
1154 | extern int bgp_flag_unset (struct bgp *, int); | |
1155 | extern int bgp_flag_check (struct bgp *, int); | |
718e3744 | 1156 | |
0088b5dc SH |
1157 | extern void bgp_lock (struct bgp *); |
1158 | extern void bgp_unlock (struct bgp *); | |
1159 | ||
94f2b392 | 1160 | extern int bgp_router_id_set (struct bgp *, struct in_addr *); |
718e3744 | 1161 | |
94f2b392 | 1162 | extern int bgp_cluster_id_set (struct bgp *, struct in_addr *); |
1163 | extern int bgp_cluster_id_unset (struct bgp *); | |
718e3744 | 1164 | |
94f2b392 | 1165 | extern int bgp_confederation_id_set (struct bgp *, as_t); |
1166 | extern int bgp_confederation_id_unset (struct bgp *); | |
1167 | extern int bgp_confederation_peers_check (struct bgp *, as_t); | |
718e3744 | 1168 | |
94f2b392 | 1169 | extern int bgp_confederation_peers_add (struct bgp *, as_t); |
1170 | extern int bgp_confederation_peers_remove (struct bgp *, as_t); | |
718e3744 | 1171 | |
94f2b392 | 1172 | extern int bgp_timers_set (struct bgp *, u_int32_t, u_int32_t); |
1173 | extern int bgp_timers_unset (struct bgp *); | |
718e3744 | 1174 | |
94f2b392 | 1175 | extern int bgp_default_local_preference_set (struct bgp *, u_int32_t); |
1176 | extern int bgp_default_local_preference_unset (struct bgp *); | |
718e3744 | 1177 | |
3f9c7369 DS |
1178 | extern int bgp_default_subgroup_pkt_queue_max_set (struct bgp *bgp, u_int32_t); |
1179 | extern int bgp_default_subgroup_pkt_queue_max_unset (struct bgp *bgp); | |
1180 | ||
f14e6fdb DS |
1181 | extern int bgp_listen_limit_set (struct bgp *, int); |
1182 | extern int bgp_listen_limit_unset (struct bgp *); | |
1183 | ||
f188f2c4 DS |
1184 | extern int bgp_update_delay_active (struct bgp *); |
1185 | extern int bgp_update_delay_configured (struct bgp *); | |
94f2b392 | 1186 | extern int peer_rsclient_active (struct peer *); |
0299c004 | 1187 | extern void peer_as_change (struct peer *, as_t, int); |
a80beece | 1188 | extern int peer_remote_as (struct bgp *, union sockunion *,const char *, as_t *, |
0299c004 DS |
1189 | int, afi_t, safi_t); |
1190 | extern int peer_group_remote_as (struct bgp *, const char *, as_t *, int); | |
94f2b392 | 1191 | extern int peer_delete (struct peer *peer); |
1192 | extern int peer_group_delete (struct peer_group *); | |
1193 | extern int peer_group_remote_as_delete (struct peer_group *); | |
f14e6fdb | 1194 | extern int peer_group_listen_range_add(struct peer_group *, struct prefix *); |
718e3744 | 1195 | |
94f2b392 | 1196 | extern int peer_activate (struct peer *, afi_t, safi_t); |
1197 | extern int peer_deactivate (struct peer *, afi_t, safi_t); | |
718e3744 | 1198 | |
a80beece DS |
1199 | extern int peer_group_bind (struct bgp *, union sockunion *, struct peer *, |
1200 | struct peer_group *, afi_t, safi_t, as_t *); | |
94f2b392 | 1201 | extern int peer_group_unbind (struct bgp *, struct peer *, struct peer_group *, |
718e3744 | 1202 | afi_t, safi_t); |
1203 | ||
94f2b392 | 1204 | extern int peer_flag_set (struct peer *, u_int32_t); |
1205 | extern int peer_flag_unset (struct peer *, u_int32_t); | |
718e3744 | 1206 | |
94f2b392 | 1207 | extern int peer_af_flag_set (struct peer *, afi_t, safi_t, u_int32_t); |
1208 | extern int peer_af_flag_unset (struct peer *, afi_t, safi_t, u_int32_t); | |
1209 | extern int peer_af_flag_check (struct peer *, afi_t, safi_t, u_int32_t); | |
718e3744 | 1210 | |
94f2b392 | 1211 | extern int peer_ebgp_multihop_set (struct peer *, int); |
1212 | extern int peer_ebgp_multihop_unset (struct peer *); | |
c43ed2e4 | 1213 | extern int is_ebgp_multihop_configured (struct peer *peer); |
718e3744 | 1214 | |
94f2b392 | 1215 | extern int peer_description_set (struct peer *, char *); |
1216 | extern int peer_description_unset (struct peer *); | |
718e3744 | 1217 | |
94f2b392 | 1218 | extern int peer_update_source_if_set (struct peer *, const char *); |
1219 | extern int peer_update_source_addr_set (struct peer *, union sockunion *); | |
1220 | extern int peer_update_source_unset (struct peer *); | |
718e3744 | 1221 | |
94f2b392 | 1222 | extern int peer_default_originate_set (struct peer *, afi_t, safi_t, const char *); |
1223 | extern int peer_default_originate_unset (struct peer *, afi_t, safi_t); | |
718e3744 | 1224 | |
94f2b392 | 1225 | extern int peer_port_set (struct peer *, u_int16_t); |
1226 | extern int peer_port_unset (struct peer *); | |
718e3744 | 1227 | |
ffd0c037 DS |
1228 | extern void peer_weight_set (struct peer *, u_int16_t); |
1229 | extern void peer_weight_unset (struct peer *); | |
718e3744 | 1230 | |
94f2b392 | 1231 | extern int peer_timers_set (struct peer *, u_int32_t, u_int32_t); |
1232 | extern int peer_timers_unset (struct peer *); | |
718e3744 | 1233 | |
94f2b392 | 1234 | extern int peer_timers_connect_set (struct peer *, u_int32_t); |
1235 | extern int peer_timers_connect_unset (struct peer *); | |
718e3744 | 1236 | |
94f2b392 | 1237 | extern int peer_advertise_interval_set (struct peer *, u_int32_t); |
1238 | extern int peer_advertise_interval_unset (struct peer *); | |
718e3744 | 1239 | |
ffd0c037 DS |
1240 | extern void peer_interface_set (struct peer *, const char *); |
1241 | extern void peer_interface_unset (struct peer *); | |
718e3744 | 1242 | |
94f2b392 | 1243 | extern int peer_distribute_set (struct peer *, afi_t, safi_t, int, const char *); |
1244 | extern int peer_distribute_unset (struct peer *, afi_t, safi_t, int); | |
718e3744 | 1245 | |
94f2b392 | 1246 | extern int peer_allowas_in_set (struct peer *, afi_t, safi_t, int); |
1247 | extern int peer_allowas_in_unset (struct peer *, afi_t, safi_t); | |
718e3744 | 1248 | |
9d3f9705 | 1249 | extern int peer_local_as_set (struct peer *, as_t, int, int); |
94f2b392 | 1250 | extern int peer_local_as_unset (struct peer *); |
718e3744 | 1251 | |
94f2b392 | 1252 | extern int peer_prefix_list_set (struct peer *, afi_t, safi_t, int, const char *); |
1253 | extern int peer_prefix_list_unset (struct peer *, afi_t, safi_t, int); | |
718e3744 | 1254 | |
94f2b392 | 1255 | extern int peer_aslist_set (struct peer *, afi_t, safi_t, int, const char *); |
1256 | extern int peer_aslist_unset (struct peer *,afi_t, safi_t, int); | |
718e3744 | 1257 | |
94f2b392 | 1258 | extern int peer_route_map_set (struct peer *, afi_t, safi_t, int, const char *); |
1259 | extern int peer_route_map_unset (struct peer *, afi_t, safi_t, int); | |
718e3744 | 1260 | |
94f2b392 | 1261 | extern int peer_unsuppress_map_set (struct peer *, afi_t, safi_t, const char *); |
0df7c91f PJ |
1262 | |
1263 | extern int peer_password_set (struct peer *, const char *); | |
1264 | extern int peer_password_unset (struct peer *); | |
1265 | ||
94f2b392 | 1266 | extern int peer_unsuppress_map_unset (struct peer *, afi_t, safi_t); |
718e3744 | 1267 | |
94f2b392 | 1268 | extern int peer_maximum_prefix_set (struct peer *, afi_t, safi_t, u_int32_t, u_char, int, u_int16_t); |
1269 | extern int peer_maximum_prefix_unset (struct peer *, afi_t, safi_t); | |
718e3744 | 1270 | |
1ff9a340 | 1271 | extern int peer_clear (struct peer *, struct listnode **); |
94f2b392 | 1272 | extern int peer_clear_soft (struct peer *, afi_t, safi_t, enum bgp_clear_type); |
93406d87 | 1273 | |
fa411a21 NH |
1274 | extern int peer_ttl_security_hops_set (struct peer *, int); |
1275 | extern int peer_ttl_security_hops_unset (struct peer *); | |
1276 | ||
518f0eb1 DS |
1277 | extern int bgp_route_map_update_timer (struct thread *thread); |
1278 | extern void bgp_route_map_terminate(void); | |
16286195 DS |
1279 | |
1280 | extern int peer_cmp (struct peer *p1, struct peer *p2); | |
3f9c7369 DS |
1281 | |
1282 | extern struct peer_af * peer_af_create (struct peer *, afi_t, safi_t); | |
1283 | extern struct peer_af * peer_af_find (struct peer *, afi_t, safi_t); | |
1284 | extern int peer_af_delete (struct peer *, afi_t, safi_t); | |
1285 | ||
ffd0c037 DS |
1286 | extern void bgp_scan_finish(void); |
1287 | extern void bgp_close(void); | |
1288 | ||
3f9c7369 DS |
1289 | static inline int |
1290 | afindex (afi_t afi, safi_t safi) | |
1291 | { | |
1292 | switch (afi) | |
1293 | { | |
1294 | case AFI_IP: | |
1295 | switch (safi) | |
1296 | { | |
1297 | case SAFI_UNICAST: | |
1298 | return BGP_AF_IPV4_UNICAST; | |
1299 | break; | |
1300 | case SAFI_MULTICAST: | |
1301 | return BGP_AF_IPV4_MULTICAST; | |
1302 | break; | |
1303 | case SAFI_MPLS_VPN: | |
1304 | return BGP_AF_IPV4_VPN; | |
1305 | break; | |
1306 | default: | |
1307 | return BGP_AF_MAX; | |
1308 | break; | |
1309 | } | |
1310 | break; | |
1311 | case AFI_IP6: | |
1312 | switch (safi) | |
1313 | { | |
1314 | case SAFI_UNICAST: | |
1315 | return BGP_AF_IPV6_UNICAST; | |
1316 | break; | |
1317 | case SAFI_MULTICAST: | |
1318 | return BGP_AF_IPV6_MULTICAST; | |
1319 | break; | |
1320 | default: | |
1321 | return BGP_AF_MAX; | |
1322 | break; | |
1323 | } | |
1324 | break; | |
1325 | default: | |
1326 | return BGP_AF_MAX; | |
1327 | break; | |
1328 | } | |
1329 | } | |
1330 | ||
1331 | /* If peer is configured at least one address family return 1. */ | |
1332 | static inline int | |
1333 | peer_group_active (struct peer *peer) | |
1334 | { | |
1335 | if (peer->af_group[AFI_IP][SAFI_UNICAST] | |
1336 | || peer->af_group[AFI_IP][SAFI_MULTICAST] | |
1337 | || peer->af_group[AFI_IP][SAFI_MPLS_VPN] | |
1338 | || peer->af_group[AFI_IP6][SAFI_UNICAST] | |
1339 | || peer->af_group[AFI_IP6][SAFI_MULTICAST]) | |
1340 | return 1; | |
1341 | return 0; | |
1342 | } | |
1343 | ||
1344 | /* If peer is negotiated at least one address family return 1. */ | |
1345 | static inline int | |
1346 | peer_afi_active_nego (const struct peer *peer, afi_t afi) | |
1347 | { | |
1348 | if (peer->afc_nego[afi][SAFI_UNICAST] | |
1349 | || peer->afc_nego[afi][SAFI_MULTICAST] | |
1350 | || peer->afc_nego[afi][SAFI_MPLS_VPN]) | |
1351 | return 1; | |
1352 | return 0; | |
1353 | } | |
1354 | ||
f14e6fdb DS |
1355 | /* If at least one address family activated for group, return 1. */ |
1356 | static inline int | |
1357 | peer_group_af_configured (struct peer_group *group) | |
1358 | { | |
1359 | struct peer *peer = group->conf; | |
1360 | ||
1361 | if (peer->afc[AFI_IP][SAFI_UNICAST] | |
1362 | || peer->afc[AFI_IP][SAFI_MULTICAST] | |
1363 | || peer->afc[AFI_IP][SAFI_MPLS_VPN] | |
1364 | || peer->afc[AFI_IP6][SAFI_UNICAST] | |
1365 | || peer->afc[AFI_IP6][SAFI_MULTICAST]) | |
1366 | return 1; | |
1367 | return 0; | |
1368 | } | |
1369 | ||
3f9c7369 DS |
1370 | static inline char * |
1371 | timestamp_string (time_t ts) | |
1372 | { | |
1373 | #ifdef HAVE_CLOCK_MONOTONIC | |
1374 | time_t tbuf; | |
1375 | tbuf = time(NULL) - (bgp_clock() - ts); | |
1376 | return ctime(&tbuf); | |
1377 | #else | |
1378 | return ctime(&ts); | |
1379 | #endif /* HAVE_CLOCK_MONOTONIC */ | |
1380 | } | |
1381 | ||
1382 | static inline int | |
1383 | peer_established (struct peer *peer) | |
1384 | { | |
1385 | if (peer->status == Established) | |
1386 | return 1; | |
1387 | return 0; | |
1388 | } | |
1389 | ||
f14e6fdb DS |
1390 | static inline int |
1391 | peer_dynamic_neighbor (struct peer *peer) | |
1392 | { | |
1393 | return (CHECK_FLAG(peer->flags, PEER_FLAG_DYNAMIC_NEIGHBOR)) ? 1 : 0; | |
1394 | } | |
1395 | ||
8a92a8a0 DS |
1396 | /* |
1397 | * Currently supporting RFC 5549 for AFI_IP/SAFI_UNICAST only. | |
1398 | * | |
1399 | * Note: When other RFC-5549 applicable SAFIs to be supported, that should | |
1400 | * come as an argument to this routine. | |
1401 | */ | |
1402 | static inline int | |
1403 | peer_cap_enhe (struct peer *peer) | |
1404 | { | |
1405 | return (CHECK_FLAG(peer->af_cap[AFI_IP][SAFI_UNICAST], PEER_CAP_ENHE_AF_NEGO)); | |
1406 | } | |
1407 | ||
00d252cb | 1408 | #endif /* _QUAGGA_BGPD_H */ |