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718e3744 | 1 | /* BGP-4, BGP-4+ daemon program |
896014f4 DL |
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 along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
718e3744 | 20 | |
21 | #include <zebra.h> | |
22 | ||
23 | #include "prefix.h" | |
24 | #include "thread.h" | |
25 | #include "buffer.h" | |
26 | #include "stream.h" | |
27 | #include "command.h" | |
28 | #include "sockunion.h" | |
e9a0c656 | 29 | #include "sockopt.h" |
718e3744 | 30 | #include "network.h" |
31 | #include "memory.h" | |
32 | #include "filter.h" | |
33 | #include "routemap.h" | |
718e3744 | 34 | #include "log.h" |
35 | #include "plist.h" | |
36 | #include "linklist.h" | |
200df115 | 37 | #include "workqueue.h" |
3f9c7369 | 38 | #include "queue.h" |
88177fe3 | 39 | #include "zclient.h" |
7f342629 | 40 | #include "bfd.h" |
dd793e4a DW |
41 | #include "hash.h" |
42 | #include "jhash.h" | |
587ff0fd | 43 | #include "table.h" |
4dcadbef | 44 | #include "lib/json.h" |
718e3744 | 45 | |
46 | #include "bgpd/bgpd.h" | |
47 | #include "bgpd/bgp_table.h" | |
48 | #include "bgpd/bgp_aspath.h" | |
49 | #include "bgpd/bgp_route.h" | |
50 | #include "bgpd/bgp_dump.h" | |
51 | #include "bgpd/bgp_debug.h" | |
52 | #include "bgpd/bgp_community.h" | |
53 | #include "bgpd/bgp_attr.h" | |
54 | #include "bgpd/bgp_regex.h" | |
55 | #include "bgpd/bgp_clist.h" | |
56 | #include "bgpd/bgp_fsm.h" | |
57 | #include "bgpd/bgp_packet.h" | |
58 | #include "bgpd/bgp_zebra.h" | |
59 | #include "bgpd/bgp_open.h" | |
60 | #include "bgpd/bgp_filter.h" | |
61 | #include "bgpd/bgp_nexthop.h" | |
62 | #include "bgpd/bgp_damp.h" | |
63 | #include "bgpd/bgp_mplsvpn.h" | |
65efcfce | 64 | #if ENABLE_BGP_VNC |
f8b6f499 LB |
65 | #include "bgpd/rfapi/bgp_rfapi_cfg.h" |
66 | #include "bgpd/rfapi/rfapi_backend.h" | |
65efcfce | 67 | #endif |
7ef5a232 | 68 | #include "bgpd/bgp_evpn.h" |
718e3744 | 69 | #include "bgpd/bgp_advertise.h" |
70 | #include "bgpd/bgp_network.h" | |
71 | #include "bgpd/bgp_vty.h" | |
165b5fff | 72 | #include "bgpd/bgp_mpath.h" |
fc9a856f | 73 | #include "bgpd/bgp_nht.h" |
3f9c7369 | 74 | #include "bgpd/bgp_updgrp.h" |
c43ed2e4 | 75 | #include "bgpd/bgp_bfd.h" |
4a1ab8e4 | 76 | #include "bgpd/bgp_memory.h" |
784d3a42 | 77 | #include "bgpd/bgp_evpn_vty.h" |
3f9c7369 | 78 | |
73d70fa6 DL |
79 | |
80 | DEFINE_MTYPE_STATIC(BGPD, PEER_TX_SHUTDOWN_MSG, "Peer shutdown message (TX)"); | |
19df7279 DL |
81 | DEFINE_QOBJ_TYPE(bgp_master) |
82 | DEFINE_QOBJ_TYPE(bgp) | |
83 | DEFINE_QOBJ_TYPE(peer) | |
84 | ||
718e3744 | 85 | /* BGP process wide configuration. */ |
86 | static struct bgp_master bgp_master; | |
87 | ||
88 | /* BGP process wide configuration pointer to export. */ | |
89 | struct bgp_master *bm; | |
90 | ||
91 | /* BGP community-list. */ | |
92 | struct community_list_handler *bgp_clist; | |
6b0655a2 | 93 | |
37fe7731 DS |
94 | unsigned int multipath_num = MULTIPATH_NUM; |
95 | ||
b33adb7c | 96 | static void bgp_if_finish (struct bgp *bgp); |
97 | ||
ad4cbda1 | 98 | extern struct zclient *zclient; |
1ff9a340 | 99 | |
4c48cf63 | 100 | void |
1ff9a340 DS |
101 | bgp_session_reset(struct peer *peer) |
102 | { | |
103 | if (peer->doppelganger && (peer->doppelganger->status != Deleted) | |
104 | && !(CHECK_FLAG(peer->doppelganger->flags, PEER_FLAG_CONFIG_NODE))) | |
105 | peer_delete(peer->doppelganger); | |
106 | ||
107 | BGP_EVENT_ADD (peer, BGP_Stop); | |
108 | } | |
109 | ||
110 | /* | |
111 | * During session reset, we may delete the doppelganger peer, which would | |
112 | * be the next node to the current node. If the session reset was invoked | |
113 | * during walk of peer list, we would end up accessing the freed next | |
114 | * node. This function moves the next node along. | |
115 | */ | |
4c48cf63 | 116 | static void |
1ff9a340 DS |
117 | bgp_session_reset_safe(struct peer *peer, struct listnode **nnode) |
118 | { | |
119 | struct listnode *n; | |
120 | struct peer *npeer; | |
121 | ||
122 | n = (nnode) ? *nnode : NULL; | |
123 | npeer = (n) ? listgetdata(n) : NULL; | |
124 | ||
125 | if (peer->doppelganger && (peer->doppelganger->status != Deleted) | |
126 | && !(CHECK_FLAG(peer->doppelganger->flags, PEER_FLAG_CONFIG_NODE))) | |
127 | { | |
128 | if (peer->doppelganger == npeer) | |
129 | /* nnode and *nnode are confirmed to be non-NULL here */ | |
130 | *nnode = (*nnode)->next; | |
131 | peer_delete(peer->doppelganger); | |
132 | } | |
133 | ||
134 | BGP_EVENT_ADD (peer, BGP_Stop); | |
135 | } | |
136 | ||
718e3744 | 137 | /* BGP global flag manipulation. */ |
138 | int | |
139 | bgp_option_set (int flag) | |
140 | { | |
141 | switch (flag) | |
142 | { | |
143 | case BGP_OPT_NO_FIB: | |
144 | case BGP_OPT_MULTIPLE_INSTANCE: | |
145 | case BGP_OPT_CONFIG_CISCO: | |
cccbc015 | 146 | case BGP_OPT_NO_LISTEN: |
718e3744 | 147 | SET_FLAG (bm->options, flag); |
148 | break; | |
149 | default: | |
150 | return BGP_ERR_INVALID_FLAG; | |
718e3744 | 151 | } |
152 | return 0; | |
153 | } | |
154 | ||
155 | int | |
156 | bgp_option_unset (int flag) | |
157 | { | |
158 | switch (flag) | |
159 | { | |
160 | case BGP_OPT_MULTIPLE_INSTANCE: | |
161 | if (listcount (bm->bgp) > 1) | |
162 | return BGP_ERR_MULTIPLE_INSTANCE_USED; | |
163 | /* Fall through. */ | |
164 | case BGP_OPT_NO_FIB: | |
165 | case BGP_OPT_CONFIG_CISCO: | |
166 | UNSET_FLAG (bm->options, flag); | |
167 | break; | |
168 | default: | |
169 | return BGP_ERR_INVALID_FLAG; | |
718e3744 | 170 | } |
171 | return 0; | |
172 | } | |
173 | ||
174 | int | |
175 | bgp_option_check (int flag) | |
176 | { | |
177 | return CHECK_FLAG (bm->options, flag); | |
178 | } | |
6b0655a2 | 179 | |
718e3744 | 180 | /* BGP flag manipulation. */ |
181 | int | |
182 | bgp_flag_set (struct bgp *bgp, int flag) | |
183 | { | |
184 | SET_FLAG (bgp->flags, flag); | |
185 | return 0; | |
186 | } | |
187 | ||
188 | int | |
189 | bgp_flag_unset (struct bgp *bgp, int flag) | |
190 | { | |
191 | UNSET_FLAG (bgp->flags, flag); | |
192 | return 0; | |
193 | } | |
194 | ||
195 | int | |
196 | bgp_flag_check (struct bgp *bgp, int flag) | |
197 | { | |
198 | return CHECK_FLAG (bgp->flags, flag); | |
199 | } | |
6b0655a2 | 200 | |
718e3744 | 201 | /* Internal function to set BGP structure configureation flag. */ |
202 | static void | |
203 | bgp_config_set (struct bgp *bgp, int config) | |
204 | { | |
205 | SET_FLAG (bgp->config, config); | |
206 | } | |
207 | ||
208 | static void | |
209 | bgp_config_unset (struct bgp *bgp, int config) | |
210 | { | |
211 | UNSET_FLAG (bgp->config, config); | |
212 | } | |
213 | ||
214 | static int | |
215 | bgp_config_check (struct bgp *bgp, int config) | |
216 | { | |
217 | return CHECK_FLAG (bgp->config, config); | |
218 | } | |
6b0655a2 | 219 | |
718e3744 | 220 | /* Set BGP router identifier. */ |
0e6cb743 DL |
221 | static int |
222 | bgp_router_id_set (struct bgp *bgp, const struct in_addr *id) | |
718e3744 | 223 | { |
224 | struct peer *peer; | |
1eb8ef25 | 225 | struct listnode *node, *nnode; |
718e3744 | 226 | |
c2d58d6d | 227 | if (IPV4_ADDR_SAME (&bgp->router_id, id)) |
718e3744 | 228 | return 0; |
229 | ||
230 | IPV4_ADDR_COPY (&bgp->router_id, id); | |
718e3744 | 231 | |
232 | /* Set all peer's local identifier with this value. */ | |
1eb8ef25 | 233 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 234 | { |
235 | IPV4_ADDR_COPY (&peer->local_id, id); | |
236 | ||
6aa136f1 | 237 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 238 | { |
239 | peer->last_reset = PEER_DOWN_RID_CHANGE; | |
240 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
241 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
242 | } | |
718e3744 | 243 | } |
244 | return 0; | |
245 | } | |
246 | ||
0e6cb743 DL |
247 | void |
248 | bgp_router_id_zebra_bump (vrf_id_t vrf_id, const struct prefix *router_id) | |
249 | { | |
250 | struct listnode *node, *nnode; | |
251 | struct bgp *bgp; | |
252 | ||
253 | if (vrf_id == VRF_DEFAULT) | |
254 | { | |
255 | /* Router-id change for default VRF has to also update all views. */ | |
256 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) | |
257 | { | |
258 | if (bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
259 | continue; | |
260 | ||
261 | bgp->router_id_zebra = router_id->u.prefix4; | |
262 | if (!bgp->router_id_static.s_addr) | |
263 | bgp_router_id_set (bgp, &router_id->u.prefix4); | |
264 | } | |
265 | } | |
266 | else | |
267 | { | |
268 | bgp = bgp_lookup_by_vrf_id (vrf_id); | |
269 | if (bgp) | |
270 | { | |
271 | bgp->router_id_zebra = router_id->u.prefix4; | |
272 | ||
273 | if (!bgp->router_id_static.s_addr) | |
274 | bgp_router_id_set (bgp, &router_id->u.prefix4); | |
275 | } | |
276 | } | |
277 | } | |
278 | ||
279 | int | |
280 | bgp_router_id_static_set (struct bgp *bgp, struct in_addr id) | |
281 | { | |
282 | bgp->router_id_static = id; | |
283 | bgp_router_id_set (bgp, id.s_addr ? &id : &bgp->router_id_zebra); | |
284 | return 0; | |
285 | } | |
286 | ||
718e3744 | 287 | /* BGP's cluster-id control. */ |
288 | int | |
289 | bgp_cluster_id_set (struct bgp *bgp, struct in_addr *cluster_id) | |
290 | { | |
291 | struct peer *peer; | |
1eb8ef25 | 292 | struct listnode *node, *nnode; |
718e3744 | 293 | |
294 | if (bgp_config_check (bgp, BGP_CONFIG_CLUSTER_ID) | |
295 | && IPV4_ADDR_SAME (&bgp->cluster_id, cluster_id)) | |
296 | return 0; | |
297 | ||
298 | IPV4_ADDR_COPY (&bgp->cluster_id, cluster_id); | |
299 | bgp_config_set (bgp, BGP_CONFIG_CLUSTER_ID); | |
300 | ||
301 | /* Clear all IBGP peer. */ | |
1eb8ef25 | 302 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 303 | { |
6d85b15b | 304 | if (peer->sort != BGP_PEER_IBGP) |
718e3744 | 305 | continue; |
306 | ||
6aa136f1 | 307 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 308 | { |
309 | peer->last_reset = PEER_DOWN_CLID_CHANGE; | |
310 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
311 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
312 | } | |
718e3744 | 313 | } |
314 | return 0; | |
315 | } | |
316 | ||
317 | int | |
318 | bgp_cluster_id_unset (struct bgp *bgp) | |
319 | { | |
320 | struct peer *peer; | |
1eb8ef25 | 321 | struct listnode *node, *nnode; |
718e3744 | 322 | |
323 | if (! bgp_config_check (bgp, BGP_CONFIG_CLUSTER_ID)) | |
324 | return 0; | |
325 | ||
326 | bgp->cluster_id.s_addr = 0; | |
327 | bgp_config_unset (bgp, BGP_CONFIG_CLUSTER_ID); | |
328 | ||
329 | /* Clear all IBGP peer. */ | |
1eb8ef25 | 330 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 331 | { |
6d85b15b | 332 | if (peer->sort != BGP_PEER_IBGP) |
718e3744 | 333 | continue; |
334 | ||
6aa136f1 | 335 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 336 | { |
337 | peer->last_reset = PEER_DOWN_CLID_CHANGE; | |
338 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
339 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
340 | } | |
718e3744 | 341 | } |
342 | return 0; | |
343 | } | |
6b0655a2 | 344 | |
65957886 SH |
345 | /* time_t value that is monotonicly increasing |
346 | * and uneffected by adjustments to system clock | |
347 | */ | |
348 | time_t bgp_clock (void) | |
349 | { | |
350 | struct timeval tv; | |
351 | ||
cf672a86 | 352 | monotime(&tv); |
65957886 SH |
353 | return tv.tv_sec; |
354 | } | |
355 | ||
718e3744 | 356 | /* BGP timer configuration. */ |
357 | int | |
358 | bgp_timers_set (struct bgp *bgp, u_int32_t keepalive, u_int32_t holdtime) | |
359 | { | |
360 | bgp->default_keepalive = (keepalive < holdtime / 3 | |
361 | ? keepalive : holdtime / 3); | |
362 | bgp->default_holdtime = holdtime; | |
363 | ||
364 | return 0; | |
365 | } | |
366 | ||
367 | int | |
368 | bgp_timers_unset (struct bgp *bgp) | |
369 | { | |
370 | bgp->default_keepalive = BGP_DEFAULT_KEEPALIVE; | |
371 | bgp->default_holdtime = BGP_DEFAULT_HOLDTIME; | |
372 | ||
373 | return 0; | |
374 | } | |
6b0655a2 | 375 | |
718e3744 | 376 | /* BGP confederation configuration. */ |
377 | int | |
378 | bgp_confederation_id_set (struct bgp *bgp, as_t as) | |
379 | { | |
380 | struct peer *peer; | |
1eb8ef25 | 381 | struct listnode *node, *nnode; |
718e3744 | 382 | int already_confed; |
383 | ||
384 | if (as == 0) | |
385 | return BGP_ERR_INVALID_AS; | |
386 | ||
387 | /* Remember - were we doing confederation before? */ | |
388 | already_confed = bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION); | |
389 | bgp->confed_id = as; | |
390 | bgp_config_set (bgp, BGP_CONFIG_CONFEDERATION); | |
391 | ||
392 | /* If we were doing confederation already, this is just an external | |
393 | AS change. Just Reset EBGP sessions, not CONFED sessions. If we | |
394 | were not doing confederation before, reset all EBGP sessions. */ | |
1eb8ef25 | 395 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 396 | { |
397 | /* We're looking for peers who's AS is not local or part of our | |
398 | confederation. */ | |
399 | if (already_confed) | |
400 | { | |
401 | if (peer_sort (peer) == BGP_PEER_EBGP) | |
402 | { | |
403 | peer->local_as = as; | |
6aa136f1 | 404 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 405 | { |
406 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
407 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
408 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
409 | } | |
718e3744 | 410 | else |
1ff9a340 | 411 | bgp_session_reset_safe(peer, &nnode); |
718e3744 | 412 | } |
413 | } | |
414 | else | |
415 | { | |
416 | /* Not doign confederation before, so reset every non-local | |
417 | session */ | |
418 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
419 | { | |
420 | /* Reset the local_as to be our EBGP one */ | |
421 | if (peer_sort (peer) == BGP_PEER_EBGP) | |
422 | peer->local_as = as; | |
6aa136f1 | 423 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 424 | { |
425 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
426 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
427 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
428 | } | |
718e3744 | 429 | else |
1ff9a340 | 430 | bgp_session_reset_safe(peer, &nnode); |
718e3744 | 431 | } |
432 | } | |
433 | } | |
434 | return 0; | |
435 | } | |
436 | ||
437 | int | |
438 | bgp_confederation_id_unset (struct bgp *bgp) | |
439 | { | |
440 | struct peer *peer; | |
1eb8ef25 | 441 | struct listnode *node, *nnode; |
718e3744 | 442 | |
443 | bgp->confed_id = 0; | |
444 | bgp_config_unset (bgp, BGP_CONFIG_CONFEDERATION); | |
445 | ||
1eb8ef25 | 446 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 447 | { |
448 | /* We're looking for peers who's AS is not local */ | |
449 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
450 | { | |
451 | peer->local_as = bgp->as; | |
6aa136f1 | 452 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 453 | { |
454 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
455 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
456 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
457 | } | |
458 | ||
718e3744 | 459 | else |
1ff9a340 | 460 | bgp_session_reset_safe(peer, &nnode); |
718e3744 | 461 | } |
462 | } | |
463 | return 0; | |
464 | } | |
465 | ||
466 | /* Is an AS part of the confed or not? */ | |
467 | int | |
468 | bgp_confederation_peers_check (struct bgp *bgp, as_t as) | |
469 | { | |
470 | int i; | |
471 | ||
472 | if (! bgp) | |
473 | return 0; | |
474 | ||
475 | for (i = 0; i < bgp->confed_peers_cnt; i++) | |
476 | if (bgp->confed_peers[i] == as) | |
477 | return 1; | |
478 | ||
479 | return 0; | |
480 | } | |
481 | ||
482 | /* Add an AS to the confederation set. */ | |
483 | int | |
484 | bgp_confederation_peers_add (struct bgp *bgp, as_t as) | |
485 | { | |
486 | struct peer *peer; | |
1eb8ef25 | 487 | struct listnode *node, *nnode; |
718e3744 | 488 | |
489 | if (! bgp) | |
490 | return BGP_ERR_INVALID_BGP; | |
491 | ||
492 | if (bgp->as == as) | |
493 | return BGP_ERR_INVALID_AS; | |
494 | ||
495 | if (bgp_confederation_peers_check (bgp, as)) | |
496 | return -1; | |
497 | ||
498 | if (bgp->confed_peers) | |
499 | bgp->confed_peers = XREALLOC (MTYPE_BGP_CONFED_LIST, | |
500 | bgp->confed_peers, | |
501 | (bgp->confed_peers_cnt + 1) * sizeof (as_t)); | |
502 | else | |
503 | bgp->confed_peers = XMALLOC (MTYPE_BGP_CONFED_LIST, | |
504 | (bgp->confed_peers_cnt + 1) * sizeof (as_t)); | |
505 | ||
506 | bgp->confed_peers[bgp->confed_peers_cnt] = as; | |
507 | bgp->confed_peers_cnt++; | |
508 | ||
509 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION)) | |
510 | { | |
1eb8ef25 | 511 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 512 | { |
513 | if (peer->as == as) | |
514 | { | |
515 | peer->local_as = bgp->as; | |
6aa136f1 | 516 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 517 | { |
518 | peer->last_reset = PEER_DOWN_CONFED_PEER_CHANGE; | |
519 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
520 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
521 | } | |
718e3744 | 522 | else |
1ff9a340 | 523 | bgp_session_reset_safe(peer, &nnode); |
718e3744 | 524 | } |
525 | } | |
526 | } | |
527 | return 0; | |
528 | } | |
529 | ||
530 | /* Delete an AS from the confederation set. */ | |
531 | int | |
532 | bgp_confederation_peers_remove (struct bgp *bgp, as_t as) | |
533 | { | |
534 | int i; | |
535 | int j; | |
536 | struct peer *peer; | |
1eb8ef25 | 537 | struct listnode *node, *nnode; |
718e3744 | 538 | |
539 | if (! bgp) | |
540 | return -1; | |
541 | ||
542 | if (! bgp_confederation_peers_check (bgp, as)) | |
543 | return -1; | |
544 | ||
545 | for (i = 0; i < bgp->confed_peers_cnt; i++) | |
546 | if (bgp->confed_peers[i] == as) | |
547 | for(j = i + 1; j < bgp->confed_peers_cnt; j++) | |
548 | bgp->confed_peers[j - 1] = bgp->confed_peers[j]; | |
549 | ||
550 | bgp->confed_peers_cnt--; | |
551 | ||
552 | if (bgp->confed_peers_cnt == 0) | |
553 | { | |
554 | if (bgp->confed_peers) | |
555 | XFREE (MTYPE_BGP_CONFED_LIST, bgp->confed_peers); | |
556 | bgp->confed_peers = NULL; | |
557 | } | |
558 | else | |
559 | bgp->confed_peers = XREALLOC (MTYPE_BGP_CONFED_LIST, | |
560 | bgp->confed_peers, | |
561 | bgp->confed_peers_cnt * sizeof (as_t)); | |
562 | ||
563 | /* Now reset any peer who's remote AS has just been removed from the | |
564 | CONFED */ | |
565 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION)) | |
566 | { | |
1eb8ef25 | 567 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 568 | { |
569 | if (peer->as == as) | |
570 | { | |
571 | peer->local_as = bgp->confed_id; | |
6aa136f1 | 572 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 573 | { |
574 | peer->last_reset = PEER_DOWN_CONFED_PEER_CHANGE; | |
575 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
576 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
577 | } | |
718e3744 | 578 | else |
1ff9a340 | 579 | bgp_session_reset_safe(peer, &nnode); |
718e3744 | 580 | } |
581 | } | |
582 | } | |
583 | ||
584 | return 0; | |
585 | } | |
6b0655a2 | 586 | |
718e3744 | 587 | /* Local preference configuration. */ |
588 | int | |
589 | bgp_default_local_preference_set (struct bgp *bgp, u_int32_t local_pref) | |
590 | { | |
591 | if (! bgp) | |
592 | return -1; | |
593 | ||
718e3744 | 594 | bgp->default_local_pref = local_pref; |
595 | ||
596 | return 0; | |
597 | } | |
598 | ||
599 | int | |
600 | bgp_default_local_preference_unset (struct bgp *bgp) | |
601 | { | |
602 | if (! bgp) | |
603 | return -1; | |
604 | ||
718e3744 | 605 | bgp->default_local_pref = BGP_DEFAULT_LOCAL_PREF; |
606 | ||
607 | return 0; | |
608 | } | |
6b0655a2 | 609 | |
3f9c7369 DS |
610 | /* Local preference configuration. */ |
611 | int | |
612 | bgp_default_subgroup_pkt_queue_max_set (struct bgp *bgp, u_int32_t queue_size) | |
613 | { | |
614 | if (! bgp) | |
615 | return -1; | |
616 | ||
617 | bgp->default_subgroup_pkt_queue_max = queue_size; | |
618 | ||
619 | return 0; | |
620 | } | |
621 | ||
622 | int | |
623 | bgp_default_subgroup_pkt_queue_max_unset (struct bgp *bgp) | |
624 | { | |
625 | if (! bgp) | |
626 | return -1; | |
627 | bgp->default_subgroup_pkt_queue_max = BGP_DEFAULT_SUBGROUP_PKT_QUEUE_MAX; | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
f14e6fdb DS |
632 | /* Listen limit configuration. */ |
633 | int | |
634 | bgp_listen_limit_set (struct bgp *bgp, int listen_limit) | |
635 | { | |
636 | if (! bgp) | |
637 | return -1; | |
638 | ||
639 | bgp->dynamic_neighbors_limit = listen_limit; | |
640 | ||
641 | return 0; | |
642 | } | |
643 | ||
644 | int | |
645 | bgp_listen_limit_unset (struct bgp *bgp) | |
646 | { | |
647 | if (! bgp) | |
648 | return -1; | |
649 | ||
650 | bgp->dynamic_neighbors_limit = BGP_DYNAMIC_NEIGHBORS_LIMIT_DEFAULT; | |
651 | ||
652 | return 0; | |
653 | } | |
654 | ||
9cabb64b | 655 | int |
b58ed1f8 | 656 | bgp_map_afi_safi_iana2int (iana_afi_t pkt_afi, safi_t pkt_safi, |
9cabb64b | 657 | afi_t *afi, safi_t *safi) |
658 | { | |
659 | /* Map from IANA values to internal values, return error if | |
660 | * values are unrecognized. | |
661 | */ | |
662 | *afi = afi_iana2int (pkt_afi); | |
663 | *safi = safi_iana2int (pkt_safi); | |
664 | if (*afi == AFI_MAX || *safi == SAFI_MAX) | |
665 | return -1; | |
666 | ||
667 | return 0; | |
668 | } | |
669 | ||
670 | int | |
671 | bgp_map_afi_safi_int2iana (afi_t afi, safi_t safi, | |
b58ed1f8 | 672 | iana_afi_t *pkt_afi, safi_t *pkt_safi) |
9cabb64b | 673 | { |
674 | /* Map from internal values to IANA values, return error if | |
675 | * internal values are bad (unexpected). | |
676 | */ | |
677 | if (afi == AFI_MAX || safi == SAFI_MAX) | |
678 | return -1; | |
679 | *pkt_afi = afi_int2iana (afi); | |
680 | *pkt_safi = safi_int2iana (safi); | |
681 | return 0; | |
682 | } | |
683 | ||
3f9c7369 DS |
684 | struct peer_af * |
685 | peer_af_create (struct peer *peer, afi_t afi, safi_t safi) | |
686 | { | |
687 | struct peer_af *af; | |
688 | int afid; | |
689 | ||
690 | if (!peer) | |
691 | return NULL; | |
692 | ||
693 | afid = afindex(afi, safi); | |
694 | if (afid >= BGP_AF_MAX) | |
695 | return NULL; | |
696 | ||
697 | assert(peer->peer_af_array[afid] == NULL); | |
698 | ||
699 | /* Allocate new peer af */ | |
700 | af = XCALLOC (MTYPE_BGP_PEER_AF, sizeof (struct peer_af)); | |
c8560b44 DW |
701 | |
702 | if (af == NULL) | |
703 | { | |
704 | zlog_err("Could not create af structure for peer %s", peer->host); | |
705 | return NULL; | |
706 | } | |
707 | ||
3f9c7369 DS |
708 | peer->peer_af_array[afid] = af; |
709 | af->afi = afi; | |
710 | af->safi = safi; | |
711 | af->afid = afid; | |
712 | af->peer = peer; | |
713 | ||
3f9c7369 DS |
714 | return af; |
715 | } | |
716 | ||
717 | struct peer_af * | |
718 | peer_af_find (struct peer *peer, afi_t afi, safi_t safi) | |
719 | { | |
720 | int afid; | |
721 | ||
722 | if (!peer) | |
723 | return NULL; | |
724 | ||
725 | afid = afindex(afi, safi); | |
726 | if (afid >= BGP_AF_MAX) | |
727 | return NULL; | |
728 | ||
729 | return peer->peer_af_array[afid]; | |
730 | } | |
731 | ||
732 | int | |
733 | peer_af_delete (struct peer *peer, afi_t afi, safi_t safi) | |
734 | { | |
735 | struct peer_af *af; | |
736 | int afid; | |
737 | ||
738 | if (!peer) | |
739 | return -1; | |
740 | ||
741 | afid = afindex(afi, safi); | |
742 | if (afid >= BGP_AF_MAX) | |
743 | return -1; | |
744 | ||
745 | af = peer->peer_af_array[afid]; | |
746 | if (!af) | |
747 | return -1; | |
748 | ||
749 | bgp_stop_announce_route_timer (af); | |
750 | ||
751 | if (PAF_SUBGRP(af)) | |
752 | { | |
753 | if (BGP_DEBUG (update_groups, UPDATE_GROUPS)) | |
ffd0c037 | 754 | zlog_debug ("u%" PRIu64 ":s%" PRIu64 " remove peer %s", |
3f9c7369 DS |
755 | af->subgroup->update_group->id, af->subgroup->id, peer->host); |
756 | } | |
757 | ||
758 | update_subgroup_remove_peer (af->subgroup, af); | |
759 | ||
760 | peer->peer_af_array[afid] = NULL; | |
761 | XFREE(MTYPE_BGP_PEER_AF, af); | |
762 | return 0; | |
763 | } | |
764 | ||
eb821189 | 765 | /* Peer comparison function for sorting. */ |
16286195 | 766 | int |
718e3744 | 767 | peer_cmp (struct peer *p1, struct peer *p2) |
768 | { | |
0aaa34db DS |
769 | if (p1->group && !p2->group) |
770 | return -1; | |
771 | ||
772 | if (!p1->group && p2->group) | |
773 | return 1; | |
774 | ||
775 | if (p1->group == p2->group) | |
776 | { | |
777 | if (p1->conf_if && !p2->conf_if) | |
778 | return -1; | |
779 | ||
780 | if (!p1->conf_if && p2->conf_if) | |
781 | return 1; | |
782 | ||
783 | if (p1->conf_if && p2->conf_if) | |
784 | return if_cmp_name_func (p1->conf_if, p2->conf_if); | |
785 | } | |
786 | else | |
787 | return strcmp (p1->group->name, p2->group->name); | |
788 | ||
eb821189 | 789 | return sockunion_cmp (&p1->su, &p2->su); |
718e3744 | 790 | } |
791 | ||
dd793e4a DW |
792 | static unsigned int |
793 | peer_hash_key_make(void *p) | |
794 | { | |
795 | struct peer *peer = p; | |
796 | return sockunion_hash(&peer->su); | |
797 | } | |
798 | ||
799 | static int | |
800 | peer_hash_cmp (const void *p1, const void *p2) | |
801 | { | |
802 | const struct peer *peer1 = p1; | |
803 | const struct peer *peer2 = p2; | |
804 | return (sockunion_same (&peer1->su, &peer2->su) && | |
805 | CHECK_FLAG (peer1->flags, PEER_FLAG_CONFIG_NODE) == CHECK_FLAG (peer2->flags, PEER_FLAG_CONFIG_NODE)); | |
806 | } | |
807 | ||
718e3744 | 808 | int |
809 | peer_af_flag_check (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
810 | { | |
811 | return CHECK_FLAG (peer->af_flags[afi][safi], flag); | |
812 | } | |
813 | ||
88b8ed8d DW |
814 | /* Return true if flag is set for the peer but not the peer-group */ |
815 | static int | |
816 | peergroup_af_flag_check (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
817 | { | |
818 | struct peer *g_peer = NULL; | |
819 | ||
820 | if (peer_af_flag_check (peer, afi, safi, flag)) | |
821 | { | |
822 | if (peer_group_active (peer)) | |
823 | { | |
824 | g_peer = peer->group->conf; | |
825 | ||
826 | /* If this flag is not set for the peer's peer-group then return true */ | |
c8560b44 | 827 | if (!peer_af_flag_check (g_peer, afi, safi, flag)) |
88b8ed8d DW |
828 | { |
829 | return 1; | |
830 | } | |
831 | } | |
832 | ||
833 | /* peer is not in a peer-group but the flag is set to return true */ | |
834 | else | |
835 | { | |
836 | return 1; | |
837 | } | |
838 | } | |
839 | ||
840 | return 0; | |
841 | } | |
842 | ||
718e3744 | 843 | /* Reset all address family specific configuration. */ |
844 | static void | |
845 | peer_af_flag_reset (struct peer *peer, afi_t afi, safi_t safi) | |
846 | { | |
847 | int i; | |
848 | struct bgp_filter *filter; | |
849 | char orf_name[BUFSIZ]; | |
850 | ||
851 | filter = &peer->filter[afi][safi]; | |
852 | ||
853 | /* Clear neighbor filter and route-map */ | |
854 | for (i = FILTER_IN; i < FILTER_MAX; i++) | |
855 | { | |
856 | if (filter->dlist[i].name) | |
857 | { | |
6e919709 | 858 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[i].name); |
718e3744 | 859 | filter->dlist[i].name = NULL; |
860 | } | |
861 | if (filter->plist[i].name) | |
862 | { | |
6e919709 | 863 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[i].name); |
718e3744 | 864 | filter->plist[i].name = NULL; |
865 | } | |
866 | if (filter->aslist[i].name) | |
867 | { | |
6e919709 | 868 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[i].name); |
718e3744 | 869 | filter->aslist[i].name = NULL; |
870 | } | |
fee0f4c6 | 871 | } |
872 | for (i = RMAP_IN; i < RMAP_MAX; i++) | |
873 | { | |
718e3744 | 874 | if (filter->map[i].name) |
875 | { | |
6e919709 | 876 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[i].name); |
718e3744 | 877 | filter->map[i].name = NULL; |
878 | } | |
879 | } | |
880 | ||
881 | /* Clear unsuppress map. */ | |
882 | if (filter->usmap.name) | |
6e919709 | 883 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); |
718e3744 | 884 | filter->usmap.name = NULL; |
885 | filter->usmap.map = NULL; | |
886 | ||
887 | /* Clear neighbor's all address family flags. */ | |
888 | peer->af_flags[afi][safi] = 0; | |
889 | ||
890 | /* Clear neighbor's all address family sflags. */ | |
891 | peer->af_sflags[afi][safi] = 0; | |
892 | ||
893 | /* Clear neighbor's all address family capabilities. */ | |
894 | peer->af_cap[afi][safi] = 0; | |
895 | ||
896 | /* Clear ORF info */ | |
897 | peer->orf_plist[afi][safi] = NULL; | |
898 | sprintf (orf_name, "%s.%d.%d", peer->host, afi, safi); | |
c7da3d50 | 899 | prefix_bgp_orf_remove_all (afi, orf_name); |
718e3744 | 900 | |
901 | /* Set default neighbor send-community. */ | |
902 | if (! bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
903 | { | |
904 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_COMMUNITY); | |
905 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_EXT_COMMUNITY); | |
57d187bc | 906 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_LARGE_COMMUNITY); |
718e3744 | 907 | } |
908 | ||
909 | /* Clear neighbor default_originate_rmap */ | |
910 | if (peer->default_rmap[afi][safi].name) | |
6e919709 | 911 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); |
718e3744 | 912 | peer->default_rmap[afi][safi].name = NULL; |
913 | peer->default_rmap[afi][safi].map = NULL; | |
914 | ||
915 | /* Clear neighbor maximum-prefix */ | |
916 | peer->pmax[afi][safi] = 0; | |
e0701b79 | 917 | peer->pmax_threshold[afi][safi] = MAXIMUM_PREFIX_THRESHOLD_DEFAULT; |
718e3744 | 918 | } |
919 | ||
920 | /* peer global config reset */ | |
94f2b392 | 921 | static void |
718e3744 | 922 | peer_global_config_reset (struct peer *peer) |
923 | { | |
8ffedcea DS |
924 | |
925 | int v6only; | |
926 | ||
718e3744 | 927 | peer->change_local_as = 0; |
9b1be336 | 928 | peer->ttl = (peer_sort (peer) == BGP_PEER_IBGP ? MAXTTL : 1); |
718e3744 | 929 | if (peer->update_source) |
930 | { | |
931 | sockunion_free (peer->update_source); | |
932 | peer->update_source = NULL; | |
933 | } | |
934 | if (peer->update_if) | |
935 | { | |
936 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
937 | peer->update_if = NULL; | |
938 | } | |
939 | ||
940 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
941 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
942 | else | |
943 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
944 | ||
8ffedcea DS |
945 | /* This is a per-peer specific flag and so we must preserve it */ |
946 | v6only = CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY); | |
947 | ||
718e3744 | 948 | peer->flags = 0; |
8ffedcea DS |
949 | |
950 | if (v6only) | |
951 | SET_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY); | |
952 | ||
718e3744 | 953 | peer->config = 0; |
954 | peer->holdtime = 0; | |
955 | peer->keepalive = 0; | |
956 | peer->connect = 0; | |
957 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
821a359a DS |
958 | |
959 | /* Reset some other configs back to defaults. */ | |
960 | peer->v_start = BGP_INIT_START_TIMER; | |
821a359a DS |
961 | peer->password = NULL; |
962 | peer->local_id = peer->bgp->router_id; | |
963 | peer->v_holdtime = peer->bgp->default_holdtime; | |
964 | peer->v_keepalive = peer->bgp->default_keepalive; | |
965 | ||
7f342629 DS |
966 | bfd_info_free(&(peer->bfd_info)); |
967 | ||
821a359a DS |
968 | /* Set back the CONFIG_NODE flag. */ |
969 | SET_FLAG (peer->flags, PEER_FLAG_CONFIG_NODE); | |
718e3744 | 970 | } |
971 | ||
6d85b15b JBD |
972 | /* Check peer's AS number and determines if this peer is IBGP or EBGP */ |
973 | static bgp_peer_sort_t | |
974 | peer_calc_sort (struct peer *peer) | |
718e3744 | 975 | { |
976 | struct bgp *bgp; | |
977 | ||
978 | bgp = peer->bgp; | |
979 | ||
980 | /* Peer-group */ | |
981 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
982 | { | |
66b199b2 DS |
983 | if (peer->as_type == AS_INTERNAL) |
984 | return BGP_PEER_IBGP; | |
985 | ||
986 | else if (peer->as_type == AS_EXTERNAL) | |
987 | return BGP_PEER_EBGP; | |
988 | ||
989 | else if (peer->as_type == AS_SPECIFIED && peer->as) | |
718e3744 | 990 | return (bgp->as == peer->as ? BGP_PEER_IBGP : BGP_PEER_EBGP); |
66b199b2 | 991 | |
718e3744 | 992 | else |
993 | { | |
994 | struct peer *peer1; | |
995 | peer1 = listnode_head (peer->group->peer); | |
66b199b2 | 996 | |
718e3744 | 997 | if (peer1) |
66b199b2 | 998 | return peer1->sort; |
718e3744 | 999 | } |
1000 | return BGP_PEER_INTERNAL; | |
1001 | } | |
1002 | ||
1003 | /* Normal peer */ | |
1004 | if (bgp && CHECK_FLAG (bgp->config, BGP_CONFIG_CONFEDERATION)) | |
1005 | { | |
1006 | if (peer->local_as == 0) | |
1007 | return BGP_PEER_INTERNAL; | |
1008 | ||
1009 | if (peer->local_as == peer->as) | |
1010 | { | |
66b199b2 DS |
1011 | if (bgp->as == bgp->confed_id) |
1012 | { | |
1013 | if (peer->local_as == bgp->as) | |
1014 | return BGP_PEER_IBGP; | |
1015 | else | |
1016 | return BGP_PEER_EBGP; | |
1017 | } | |
1018 | else | |
1019 | { | |
1020 | if (peer->local_as == bgp->confed_id) | |
1021 | return BGP_PEER_EBGP; | |
1022 | else | |
1023 | return BGP_PEER_IBGP; | |
1024 | } | |
718e3744 | 1025 | } |
1026 | ||
1027 | if (bgp_confederation_peers_check (bgp, peer->as)) | |
1028 | return BGP_PEER_CONFED; | |
1029 | ||
1030 | return BGP_PEER_EBGP; | |
1031 | } | |
1032 | else | |
1033 | { | |
0299c004 DS |
1034 | if (peer->as_type != AS_SPECIFIED) |
1035 | return (peer->as_type == AS_INTERNAL ? BGP_PEER_IBGP : BGP_PEER_EBGP); | |
1036 | ||
718e3744 | 1037 | return (peer->local_as == 0 |
1038 | ? BGP_PEER_INTERNAL : peer->local_as == peer->as | |
1039 | ? BGP_PEER_IBGP : BGP_PEER_EBGP); | |
1040 | } | |
1041 | } | |
1042 | ||
6d85b15b JBD |
1043 | /* Calculate and cache the peer "sort" */ |
1044 | bgp_peer_sort_t | |
1045 | peer_sort (struct peer *peer) | |
1046 | { | |
1047 | peer->sort = peer_calc_sort (peer); | |
1048 | return peer->sort; | |
1049 | } | |
1050 | ||
f63f06da | 1051 | static void |
200df115 | 1052 | peer_free (struct peer *peer) |
1053 | { | |
ca058a30 | 1054 | assert (peer->status == Deleted); |
0088b5dc | 1055 | |
19df7279 DL |
1056 | QOBJ_UNREG (peer); |
1057 | ||
ca058a30 PJ |
1058 | /* this /ought/ to have been done already through bgp_stop earlier, |
1059 | * but just to be sure.. | |
1060 | */ | |
1061 | bgp_timer_set (peer); | |
1062 | BGP_READ_OFF (peer->t_read); | |
1063 | BGP_WRITE_OFF (peer->t_write); | |
9fde6624 | 1064 | BGP_EVENT_FLUSH (peer); |
ca058a30 | 1065 | |
9a233a02 DS |
1066 | /* Free connected nexthop, if present */ |
1067 | if (CHECK_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE) && | |
1068 | !peer_dynamic_neighbor (peer)) | |
1069 | bgp_delete_connected_nexthop (family2afi(peer->su.sa.sa_family), peer); | |
1070 | ||
73d70fa6 DL |
1071 | XFREE (MTYPE_PEER_TX_SHUTDOWN_MSG, peer->tx_shutdown_message); |
1072 | ||
200df115 | 1073 | if (peer->desc) |
9e08021c DW |
1074 | { |
1075 | XFREE (MTYPE_PEER_DESC, peer->desc); | |
1076 | peer->desc = NULL; | |
1077 | } | |
200df115 | 1078 | |
1079 | /* Free allocated host character. */ | |
1080 | if (peer->host) | |
9e08021c DW |
1081 | { |
1082 | XFREE (MTYPE_BGP_PEER_HOST, peer->host); | |
1083 | peer->host = NULL; | |
1084 | } | |
6e919709 | 1085 | |
37d361e7 RW |
1086 | if (peer->domainname) |
1087 | { | |
1088 | XFREE (MTYPE_BGP_PEER_HOST, peer->domainname); | |
1089 | peer->domainname = NULL; | |
1090 | } | |
1091 | ||
6e919709 | 1092 | if (peer->ifname) |
9e08021c DW |
1093 | { |
1094 | XFREE(MTYPE_BGP_PEER_IFNAME, peer->ifname); | |
1095 | peer->ifname = NULL; | |
1096 | } | |
6e919709 | 1097 | |
200df115 | 1098 | /* Update source configuration. */ |
1099 | if (peer->update_source) | |
9e08021c DW |
1100 | { |
1101 | sockunion_free (peer->update_source); | |
1102 | peer->update_source = NULL; | |
1103 | } | |
200df115 | 1104 | |
1105 | if (peer->update_if) | |
9e08021c DW |
1106 | { |
1107 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
1108 | peer->update_if = NULL; | |
1109 | } | |
6e919709 DS |
1110 | |
1111 | if (peer->notify.data) | |
1112 | XFREE(MTYPE_TMP, peer->notify.data); | |
9e08021c | 1113 | memset (&peer->notify, 0, sizeof (struct bgp_notify)); |
6e919709 | 1114 | |
495f0b13 | 1115 | if (peer->clear_node_queue) |
9e08021c DW |
1116 | { |
1117 | work_queue_free(peer->clear_node_queue); | |
1118 | peer->clear_node_queue = NULL; | |
1119 | } | |
495f0b13 | 1120 | |
ca058a30 | 1121 | bgp_sync_delete (peer); |
a80beece DS |
1122 | |
1123 | if (peer->conf_if) | |
9e08021c DW |
1124 | { |
1125 | XFREE (MTYPE_PEER_CONF_IF, peer->conf_if); | |
1126 | peer->conf_if = NULL; | |
1127 | } | |
a80beece | 1128 | |
7f342629 | 1129 | bfd_info_free(&(peer->bfd_info)); |
c43ed2e4 | 1130 | |
ff999357 RW |
1131 | bgp_unlock(peer->bgp); |
1132 | ||
200df115 | 1133 | memset (peer, 0, sizeof (struct peer)); |
1134 | ||
1135 | XFREE (MTYPE_BGP_PEER, peer); | |
1136 | } | |
1137 | ||
1138 | /* increase reference count on a struct peer */ | |
1139 | struct peer * | |
28066f4b | 1140 | peer_lock_with_caller (const char *name, struct peer *peer) |
200df115 | 1141 | { |
1142 | assert (peer && (peer->lock >= 0)); | |
28066f4b DS |
1143 | |
1144 | #if 0 | |
1145 | zlog_debug("%s peer_lock %p %d", name, peer, peer->lock); | |
1146 | #endif | |
ca058a30 | 1147 | |
200df115 | 1148 | peer->lock++; |
1149 | ||
1150 | return peer; | |
1151 | } | |
1152 | ||
1153 | /* decrease reference count on a struct peer | |
1154 | * struct peer is freed and NULL returned if last reference | |
1155 | */ | |
1156 | struct peer * | |
28066f4b | 1157 | peer_unlock_with_caller (const char *name, struct peer *peer) |
200df115 | 1158 | { |
1159 | assert (peer && (peer->lock > 0)); | |
28066f4b DS |
1160 | |
1161 | #if 0 | |
1162 | zlog_debug("%s peer_unlock %p %d", name, peer, peer->lock); | |
1163 | #endif | |
200df115 | 1164 | |
1165 | peer->lock--; | |
1166 | ||
1167 | if (peer->lock == 0) | |
1168 | { | |
200df115 | 1169 | peer_free (peer); |
1170 | return NULL; | |
1171 | } | |
1172 | ||
200df115 | 1173 | return peer; |
1174 | } | |
1ff9a340 | 1175 | |
200df115 | 1176 | /* Allocate new peer object, implicitely locked. */ |
65efcfce | 1177 | struct peer * |
6f58544d | 1178 | peer_new (struct bgp *bgp) |
718e3744 | 1179 | { |
1180 | afi_t afi; | |
1181 | safi_t safi; | |
1182 | struct peer *peer; | |
1183 | struct servent *sp; | |
6f58544d PJ |
1184 | |
1185 | /* bgp argument is absolutely required */ | |
1186 | assert (bgp); | |
1187 | if (!bgp) | |
1188 | return NULL; | |
1189 | ||
718e3744 | 1190 | /* Allocate new peer. */ |
ca058a30 | 1191 | peer = XCALLOC (MTYPE_BGP_PEER, sizeof (struct peer)); |
718e3744 | 1192 | |
1193 | /* Set default value. */ | |
eb821189 | 1194 | peer->fd = -1; |
718e3744 | 1195 | peer->v_start = BGP_INIT_START_TIMER; |
1196 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
718e3744 | 1197 | peer->status = Idle; |
1198 | peer->ostatus = Idle; | |
6403814c | 1199 | peer->cur_event = peer->last_event = peer->last_major_event = 0; |
6f58544d | 1200 | peer->bgp = bgp; |
ca058a30 | 1201 | peer = peer_lock (peer); /* initial reference */ |
0088b5dc | 1202 | bgp_lock (bgp); |
1ff9a340 | 1203 | peer->password = NULL; |
718e3744 | 1204 | |
1205 | /* Set default flags. */ | |
1206 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1207 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1208 | { | |
1209 | if (! bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
1210 | { | |
1211 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_COMMUNITY); | |
1212 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_EXT_COMMUNITY); | |
57d187bc | 1213 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_LARGE_COMMUNITY); |
718e3744 | 1214 | } |
1215 | peer->orf_plist[afi][safi] = NULL; | |
1216 | } | |
1217 | SET_FLAG (peer->sflags, PEER_STATUS_CAPABILITY_OPEN); | |
1218 | ||
1219 | /* Create buffers. */ | |
1220 | peer->ibuf = stream_new (BGP_MAX_PACKET_SIZE); | |
1221 | peer->obuf = stream_fifo_new (); | |
0a91ff55 DS |
1222 | |
1223 | /* We use a larger buffer for peer->work in the event that: | |
1224 | * - We RX a BGP_UPDATE where the attributes alone are just | |
1225 | * under BGP_MAX_PACKET_SIZE | |
1226 | * - The user configures an outbound route-map that does many as-path | |
1227 | * prepends or adds many communities. At most they can have CMD_ARGC_MAX | |
1228 | * args in a route-map so there is a finite limit on how large they can | |
1229 | * make the attributes. | |
1230 | * | |
1231 | * Having a buffer with BGP_MAX_PACKET_SIZE_OVERFLOW allows us to avoid bounds | |
1232 | * checking for every single attribute as we construct an UPDATE. | |
1233 | */ | |
1234 | peer->work = stream_new (BGP_MAX_PACKET_SIZE + BGP_MAX_PACKET_SIZE_OVERFLOW); | |
8c71e481 | 1235 | peer->scratch = stream_new (BGP_MAX_PACKET_SIZE); |
718e3744 | 1236 | |
1ff9a340 | 1237 | |
718e3744 | 1238 | bgp_sync_init (peer); |
1239 | ||
1240 | /* Get service port number. */ | |
1241 | sp = getservbyname ("bgp", "tcp"); | |
1242 | peer->port = (sp == NULL) ? BGP_PORT_DEFAULT : ntohs (sp->s_port); | |
1243 | ||
19df7279 | 1244 | QOBJ_REG (peer, peer); |
718e3744 | 1245 | return peer; |
1246 | } | |
1247 | ||
1ff9a340 DS |
1248 | /* |
1249 | * This function is invoked when a duplicate peer structure associated with | |
1250 | * a neighbor is being deleted. If this about-to-be-deleted structure is | |
1251 | * the one with all the config, then we have to copy over the info. | |
1252 | */ | |
1253 | void | |
1254 | peer_xfer_config (struct peer *peer_dst, struct peer *peer_src) | |
1255 | { | |
3f9c7369 | 1256 | struct peer_af *paf; |
1ff9a340 DS |
1257 | afi_t afi; |
1258 | safi_t safi; | |
96885f16 | 1259 | int afidx; |
1ff9a340 DS |
1260 | |
1261 | assert(peer_src); | |
1262 | assert(peer_dst); | |
1263 | ||
1264 | /* The following function is used by both peer group config copy to | |
1265 | * individual peer and when we transfer config | |
1266 | */ | |
1267 | if (peer_src->change_local_as) | |
1268 | peer_dst->change_local_as = peer_src->change_local_as; | |
1269 | ||
1270 | /* peer flags apply */ | |
1271 | peer_dst->flags = peer_src->flags; | |
1272 | peer_dst->cap = peer_src->cap; | |
1273 | peer_dst->config = peer_src->config; | |
1274 | ||
1275 | peer_dst->local_as = peer_src->local_as; | |
1276 | peer_dst->ifindex = peer_src->ifindex; | |
1277 | peer_dst->port = peer_src->port; | |
1278 | peer_sort(peer_dst); | |
1279 | peer_dst->rmap_type = peer_src->rmap_type; | |
1280 | ||
1281 | /* Timers */ | |
1282 | peer_dst->holdtime = peer_src->holdtime; | |
1283 | peer_dst->keepalive = peer_src->keepalive; | |
1284 | peer_dst->connect = peer_src->connect; | |
1285 | peer_dst->v_holdtime = peer_src->v_holdtime; | |
1286 | peer_dst->v_keepalive = peer_src->v_keepalive; | |
1ff9a340 DS |
1287 | peer_dst->routeadv = peer_src->routeadv; |
1288 | peer_dst->v_routeadv = peer_src->v_routeadv; | |
1289 | ||
1290 | /* password apply */ | |
1291 | if (peer_src->password && !peer_dst->password) | |
1292 | peer_dst->password = XSTRDUP (MTYPE_PEER_PASSWORD, peer_src->password); | |
1293 | ||
1ff9a340 DS |
1294 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
1295 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1296 | { | |
1297 | peer_dst->afc[afi][safi] = peer_src->afc[afi][safi]; | |
1298 | peer_dst->af_flags[afi][safi] = peer_src->af_flags[afi][safi]; | |
1299 | peer_dst->allowas_in[afi][safi] = peer_src->allowas_in[afi][safi]; | |
d93f7ffc | 1300 | peer_dst->weight[afi][safi] = peer_src->weight[afi][safi]; |
1ff9a340 DS |
1301 | } |
1302 | ||
96885f16 | 1303 | for (afidx = BGP_AF_START; afidx < BGP_AF_MAX; afidx++) |
1304 | { | |
1305 | paf = peer_src->peer_af_array[afidx]; | |
1306 | if (paf != NULL) | |
1307 | peer_af_create(peer_dst, paf->afi, paf->safi); | |
1308 | } | |
3f9c7369 | 1309 | |
1ff9a340 DS |
1310 | /* update-source apply */ |
1311 | if (peer_src->update_source) | |
1312 | { | |
1313 | if (peer_dst->update_source) | |
1314 | sockunion_free (peer_dst->update_source); | |
1315 | if (peer_dst->update_if) | |
1316 | { | |
1317 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer_dst->update_if); | |
1318 | peer_dst->update_if = NULL; | |
1319 | } | |
1320 | peer_dst->update_source = sockunion_dup (peer_src->update_source); | |
1321 | } | |
1322 | else if (peer_src->update_if) | |
1323 | { | |
1324 | if (peer_dst->update_if) | |
1325 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer_dst->update_if); | |
1326 | if (peer_dst->update_source) | |
1327 | { | |
1328 | sockunion_free (peer_dst->update_source); | |
1329 | peer_dst->update_source = NULL; | |
1330 | } | |
1331 | peer_dst->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, peer_src->update_if); | |
1332 | } | |
1333 | ||
1334 | if (peer_src->ifname) | |
1335 | { | |
1336 | if (peer_dst->ifname) | |
6e919709 | 1337 | XFREE(MTYPE_BGP_PEER_IFNAME, peer_dst->ifname); |
1ff9a340 | 1338 | |
6e919709 | 1339 | peer_dst->ifname = XSTRDUP(MTYPE_BGP_PEER_IFNAME, peer_src->ifname); |
1ff9a340 DS |
1340 | } |
1341 | } | |
1342 | ||
89ca90fa | 1343 | static int |
1344 | bgp_peer_conf_if_to_su_update_v4 (struct peer *peer, struct interface *ifp) | |
a80beece | 1345 | { |
8ffedcea DS |
1346 | struct connected *ifc; |
1347 | struct prefix p; | |
f43e655e | 1348 | u_int32_t addr; |
8ffedcea | 1349 | struct listnode *node; |
a80beece | 1350 | |
89ca90fa | 1351 | /* If our IPv4 address on the interface is /30 or /31, we can derive the |
1352 | * IPv4 address of the other end. | |
1353 | */ | |
1354 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) | |
a80beece | 1355 | { |
89ca90fa | 1356 | if (ifc->address && (ifc->address->family == AF_INET)) |
1357 | { | |
1358 | PREFIX_COPY_IPV4(&p, CONNECTED_PREFIX(ifc)); | |
1359 | if (p.prefixlen == 30) | |
1360 | { | |
1361 | peer->su.sa.sa_family = AF_INET; | |
f43e655e RW |
1362 | addr = ntohl(p.u.prefix4.s_addr); |
1363 | if (addr % 4 == 1) | |
1364 | peer->su.sin.sin_addr.s_addr = htonl(addr+1); | |
1365 | else if (addr % 4 == 2) | |
1366 | peer->su.sin.sin_addr.s_addr = htonl(addr-1); | |
8ffedcea | 1367 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
8f500a1c | 1368 | peer->su.sin.sin_len = sizeof(struct sockaddr_in); |
8ffedcea | 1369 | #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ |
89ca90fa | 1370 | return 1; |
1371 | } | |
1372 | else if (p.prefixlen == 31) | |
1373 | { | |
1374 | peer->su.sa.sa_family = AF_INET; | |
f43e655e RW |
1375 | addr = ntohl(p.u.prefix4.s_addr); |
1376 | if (addr % 2 == 0) | |
1377 | peer->su.sin.sin_addr.s_addr = htonl(addr+1); | |
89ca90fa | 1378 | else |
f43e655e | 1379 | peer->su.sin.sin_addr.s_addr = htonl(addr-1); |
8ffedcea | 1380 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
8f500a1c | 1381 | peer->su.sin.sin_len = sizeof(struct sockaddr_in); |
8ffedcea | 1382 | #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ |
89ca90fa | 1383 | return 1; |
1384 | } | |
1385 | else | |
7709d56b DS |
1386 | if (bgp_debug_neighbor_events(peer)) |
1387 | zlog_debug("%s: IPv4 interface address is not /30 or /31, v4 session not started", | |
1388 | peer->conf_if); | |
89ca90fa | 1389 | } |
1390 | } | |
8ffedcea | 1391 | |
89ca90fa | 1392 | return 0; |
1393 | } | |
1394 | ||
1395 | static int | |
1396 | bgp_peer_conf_if_to_su_update_v6 (struct peer *peer, struct interface *ifp) | |
1397 | { | |
1398 | struct nbr_connected *ifc_nbr; | |
1399 | ||
1400 | /* Have we learnt the peer's IPv6 link-local address? */ | |
1401 | if (ifp->nbr_connected && | |
1402 | (ifc_nbr = listnode_head(ifp->nbr_connected))) | |
1403 | { | |
1404 | peer->su.sa.sa_family = AF_INET6; | |
1405 | memcpy(&peer->su.sin6.sin6_addr, &ifc_nbr->address->u.prefix, | |
1406 | sizeof (struct in6_addr)); | |
a80beece | 1407 | #ifdef SIN6_LEN |
89ca90fa | 1408 | peer->su.sin6.sin6_len = sizeof (struct sockaddr_in6); |
a80beece | 1409 | #endif |
89ca90fa | 1410 | peer->su.sin6.sin6_scope_id = ifp->ifindex; |
1411 | return 1; | |
1412 | } | |
8ffedcea | 1413 | |
89ca90fa | 1414 | return 0; |
1415 | } | |
1416 | ||
1417 | /* | |
1418 | * Set or reset the peer address socketunion structure based on the | |
1419 | * learnt/derived peer address. If the address has changed, update the | |
1420 | * password on the listen socket, if needed. | |
1421 | */ | |
1422 | void | |
1423 | bgp_peer_conf_if_to_su_update (struct peer *peer) | |
1424 | { | |
1425 | struct interface *ifp; | |
1426 | int prev_family; | |
1427 | int peer_addr_updated = 0; | |
1428 | ||
1429 | if (!peer->conf_if) | |
1430 | return; | |
1431 | ||
1432 | prev_family = peer->su.sa.sa_family; | |
1306c09a | 1433 | if ((ifp = if_lookup_by_name (peer->conf_if, peer->bgp->vrf_id))) |
89ca90fa | 1434 | { |
4a04e5f7 | 1435 | peer->ifp = ifp; |
89ca90fa | 1436 | /* If BGP unnumbered is not "v6only", we first see if we can derive the |
1437 | * peer's IPv4 address. | |
1438 | */ | |
1439 | if (!CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY)) | |
1440 | peer_addr_updated = bgp_peer_conf_if_to_su_update_v4 (peer, ifp); | |
1441 | ||
1442 | /* If "v6only" or we can't derive peer's IPv4 address, see if we've | |
1443 | * learnt the peer's IPv6 link-local address. This is from the source | |
1444 | * IPv6 address in router advertisement. | |
1445 | */ | |
1446 | if (!peer_addr_updated) | |
1447 | peer_addr_updated = bgp_peer_conf_if_to_su_update_v6 (peer, ifp); | |
1448 | } | |
1449 | /* If we could derive the peer address, we may need to install the password | |
1450 | * configured for the peer, if any, on the listen socket. Otherwise, mark | |
1451 | * that peer's address is not available and uninstall the password, if | |
1452 | * needed. | |
1453 | */ | |
1454 | if (peer_addr_updated) | |
1455 | { | |
1456 | if (peer->password && prev_family == AF_UNSPEC) | |
1457 | bgp_md5_set (peer); | |
1458 | } | |
1459 | else | |
1460 | { | |
1461 | if (peer->password && prev_family != AF_UNSPEC) | |
1462 | bgp_md5_unset (peer); | |
1463 | peer->su.sa.sa_family = AF_UNSPEC; | |
1464 | memset(&peer->su.sin6.sin6_addr, 0, sizeof (struct in6_addr)); | |
a80beece | 1465 | } |
dd793e4a DW |
1466 | |
1467 | /* Since our su changed we need to del/add peer to the peerhash */ | |
1468 | hash_release(peer->bgp->peerhash, peer); | |
1469 | hash_get(peer->bgp->peerhash, peer, hash_alloc_intern); | |
a80beece DS |
1470 | } |
1471 | ||
06370dac DW |
1472 | /* Force a bestpath recalculation for all prefixes. This is used |
1473 | * when 'bgp bestpath' commands are entered. | |
1474 | */ | |
1475 | void | |
1476 | bgp_recalculate_all_bestpaths (struct bgp *bgp) | |
1477 | { | |
1478 | afi_t afi; | |
1479 | safi_t safi; | |
1480 | struct bgp_node *rn; | |
1481 | ||
1482 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1483 | { | |
1484 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1485 | { | |
1486 | for (rn = bgp_table_top (bgp->rib[afi][safi]); rn; rn = bgp_route_next (rn)) | |
1487 | { | |
353cd37f DW |
1488 | if (rn->info != NULL) |
1489 | { | |
1490 | bgp_process (bgp, rn, afi, safi); | |
1491 | } | |
06370dac DW |
1492 | } |
1493 | } | |
1494 | } | |
1495 | } | |
1496 | ||
718e3744 | 1497 | /* Create new BGP peer. */ |
1ff9a340 | 1498 | struct peer * |
a80beece | 1499 | peer_create (union sockunion *su, const char *conf_if, struct bgp *bgp, |
f813b13b | 1500 | as_t local_as, as_t remote_as, int as_type, afi_t afi, safi_t safi, struct peer_group *group) |
718e3744 | 1501 | { |
1502 | int active; | |
1503 | struct peer *peer; | |
1504 | char buf[SU_ADDRSTRLEN]; | |
1505 | ||
6f58544d | 1506 | peer = peer_new (bgp); |
a80beece DS |
1507 | if (conf_if) |
1508 | { | |
1509 | peer->conf_if = XSTRDUP (MTYPE_PEER_CONF_IF, conf_if); | |
ff7c8333 | 1510 | bgp_peer_conf_if_to_su_update(peer); |
6e919709 DS |
1511 | if (peer->host) |
1512 | XFREE(MTYPE_BGP_PEER_HOST, peer->host); | |
a80beece DS |
1513 | peer->host = XSTRDUP (MTYPE_BGP_PEER_HOST, conf_if); |
1514 | } | |
1515 | else if (su) | |
1516 | { | |
1517 | peer->su = *su; | |
1518 | sockunion2str (su, buf, SU_ADDRSTRLEN); | |
6e919709 DS |
1519 | if (peer->host) |
1520 | XFREE(MTYPE_BGP_PEER_HOST, peer->host); | |
a80beece DS |
1521 | peer->host = XSTRDUP (MTYPE_BGP_PEER_HOST, buf); |
1522 | } | |
718e3744 | 1523 | peer->local_as = local_as; |
1524 | peer->as = remote_as; | |
0299c004 | 1525 | peer->as_type = as_type; |
718e3744 | 1526 | peer->local_id = bgp->router_id; |
1527 | peer->v_holdtime = bgp->default_holdtime; | |
1528 | peer->v_keepalive = bgp->default_keepalive; | |
1529 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
1530 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
1531 | else | |
1532 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
28066f4b | 1533 | |
200df115 | 1534 | peer = peer_lock (peer); /* bgp peer list reference */ |
f813b13b | 1535 | peer->group = group; |
718e3744 | 1536 | listnode_add_sort (bgp->peer, peer); |
dd793e4a | 1537 | hash_get(bgp->peerhash, peer, hash_alloc_intern); |
718e3744 | 1538 | |
1539 | active = peer_active (peer); | |
1540 | ||
65957886 SH |
1541 | /* Last read and reset time set */ |
1542 | peer->readtime = peer->resettime = bgp_clock (); | |
848973c7 | 1543 | |
718e3744 | 1544 | /* Default TTL set. */ |
9b1be336 | 1545 | peer->ttl = (peer->sort == BGP_PEER_IBGP) ? MAXTTL : 1; |
718e3744 | 1546 | |
1ff9a340 DS |
1547 | SET_FLAG (peer->flags, PEER_FLAG_CONFIG_NODE); |
1548 | ||
3f9c7369 DS |
1549 | if (afi && safi) |
1550 | { | |
1551 | peer->afc[afi][safi] = 1; | |
c8560b44 | 1552 | peer_af_create(peer, afi, safi); |
3f9c7369 DS |
1553 | } |
1554 | ||
718e3744 | 1555 | /* Set up peer's events and timers. */ |
1556 | if (! active && peer_active (peer)) | |
1557 | bgp_timer_set (peer); | |
1558 | ||
1559 | return peer; | |
1560 | } | |
1561 | ||
dd793e4a | 1562 | /* Make accept BGP peer. This function is only called from the test code */ |
eb821189 | 1563 | struct peer * |
1564 | peer_create_accept (struct bgp *bgp) | |
1565 | { | |
1566 | struct peer *peer; | |
1567 | ||
6f58544d | 1568 | peer = peer_new (bgp); |
1ff9a340 | 1569 | |
200df115 | 1570 | peer = peer_lock (peer); /* bgp peer list reference */ |
eb821189 | 1571 | listnode_add_sort (bgp->peer, peer); |
1572 | ||
1573 | return peer; | |
1574 | } | |
1575 | ||
718e3744 | 1576 | /* Change peer's AS number. */ |
a80beece | 1577 | void |
0299c004 | 1578 | peer_as_change (struct peer *peer, as_t as, int as_specified) |
718e3744 | 1579 | { |
6d85b15b | 1580 | bgp_peer_sort_t type; |
966f821c | 1581 | struct peer *conf; |
718e3744 | 1582 | |
1583 | /* Stop peer. */ | |
1584 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1585 | { | |
6aa136f1 | 1586 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 1587 | { |
1588 | peer->last_reset = PEER_DOWN_REMOTE_AS_CHANGE; | |
1589 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1590 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1591 | } | |
718e3744 | 1592 | else |
1ff9a340 | 1593 | bgp_session_reset(peer); |
718e3744 | 1594 | } |
1595 | type = peer_sort (peer); | |
1596 | peer->as = as; | |
0299c004 | 1597 | peer->as_type = as_specified; |
718e3744 | 1598 | |
848973c7 | 1599 | if (bgp_config_check (peer->bgp, BGP_CONFIG_CONFEDERATION) |
1600 | && ! bgp_confederation_peers_check (peer->bgp, as) | |
1601 | && peer->bgp->as != as) | |
1602 | peer->local_as = peer->bgp->confed_id; | |
1603 | else | |
1604 | peer->local_as = peer->bgp->as; | |
1605 | ||
718e3744 | 1606 | /* Advertisement-interval reset */ |
966f821c DS |
1607 | conf = NULL; |
1608 | if (peer->group) | |
1609 | conf = peer->group->conf; | |
1610 | ||
1611 | if (conf && CHECK_FLAG (conf->config, PEER_CONFIG_ROUTEADV)) | |
ffd0c037 | 1612 | { |
966f821c | 1613 | peer->v_routeadv = conf->routeadv; |
ffd0c037 | 1614 | } |
d973c4f0 DS |
1615 | /* Only go back to the default advertisement-interval if the user had not |
1616 | * already configured it */ | |
1617 | else if (!CHECK_FLAG (peer->config, PEER_CONFIG_ROUTEADV)) | |
ffd0c037 DS |
1618 | { |
1619 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
1620 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
1621 | else | |
1622 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
1623 | } | |
718e3744 | 1624 | /* TTL reset */ |
1625 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
9b1be336 | 1626 | peer->ttl = MAXTTL; |
718e3744 | 1627 | else if (type == BGP_PEER_IBGP) |
1628 | peer->ttl = 1; | |
1629 | ||
1630 | /* reflector-client reset */ | |
1631 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
1632 | { | |
1633 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_UNICAST], | |
1634 | PEER_FLAG_REFLECTOR_CLIENT); | |
1635 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_MULTICAST], | |
1636 | PEER_FLAG_REFLECTOR_CLIENT); | |
cd1964ff DS |
1637 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_LABELED_UNICAST], |
1638 | PEER_FLAG_REFLECTOR_CLIENT); | |
718e3744 | 1639 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_MPLS_VPN], |
1640 | PEER_FLAG_REFLECTOR_CLIENT); | |
587ff0fd LB |
1641 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_ENCAP], |
1642 | PEER_FLAG_REFLECTOR_CLIENT); | |
718e3744 | 1643 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_UNICAST], |
1644 | PEER_FLAG_REFLECTOR_CLIENT); | |
1645 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_MULTICAST], | |
1646 | PEER_FLAG_REFLECTOR_CLIENT); | |
cd1964ff DS |
1647 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_LABELED_UNICAST], |
1648 | PEER_FLAG_REFLECTOR_CLIENT); | |
945c8fe9 LB |
1649 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_MPLS_VPN], |
1650 | PEER_FLAG_REFLECTOR_CLIENT); | |
587ff0fd LB |
1651 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_ENCAP], |
1652 | PEER_FLAG_REFLECTOR_CLIENT); | |
3d6c0dfa PG |
1653 | UNSET_FLAG (peer->af_flags[AFI_L2VPN][SAFI_EVPN], |
1654 | PEER_FLAG_REFLECTOR_CLIENT); | |
718e3744 | 1655 | } |
1656 | ||
1657 | /* local-as reset */ | |
1658 | if (peer_sort (peer) != BGP_PEER_EBGP) | |
1659 | { | |
1660 | peer->change_local_as = 0; | |
1661 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
9d3f9705 | 1662 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); |
718e3744 | 1663 | } |
1664 | } | |
1665 | ||
1666 | /* If peer does not exist, create new one. If peer already exists, | |
1667 | set AS number to the peer. */ | |
1668 | int | |
0299c004 DS |
1669 | peer_remote_as (struct bgp *bgp, union sockunion *su, const char *conf_if, |
1670 | as_t *as, int as_type, afi_t afi, safi_t safi) | |
718e3744 | 1671 | { |
1672 | struct peer *peer; | |
1673 | as_t local_as; | |
1674 | ||
a80beece DS |
1675 | if (conf_if) |
1676 | peer = peer_lookup_by_conf_if (bgp, conf_if); | |
1677 | else | |
1678 | peer = peer_lookup (bgp, su); | |
718e3744 | 1679 | |
1680 | if (peer) | |
1681 | { | |
f14e6fdb DS |
1682 | /* Not allowed for a dynamic peer. */ |
1683 | if (peer_dynamic_neighbor (peer)) | |
1684 | { | |
1685 | *as = peer->as; | |
1686 | return BGP_ERR_INVALID_FOR_DYNAMIC_PEER; | |
1687 | } | |
1688 | ||
718e3744 | 1689 | /* When this peer is a member of peer-group. */ |
1690 | if (peer->group) | |
1691 | { | |
1692 | if (peer->group->conf->as) | |
1693 | { | |
1694 | /* Return peer group's AS number. */ | |
1695 | *as = peer->group->conf->as; | |
1696 | return BGP_ERR_PEER_GROUP_MEMBER; | |
1697 | } | |
1698 | if (peer_sort (peer->group->conf) == BGP_PEER_IBGP) | |
1699 | { | |
0299c004 | 1700 | if ((as_type != AS_INTERNAL) && (bgp->as != *as)) |
718e3744 | 1701 | { |
1702 | *as = peer->as; | |
1703 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
1704 | } | |
1705 | } | |
1706 | else | |
1707 | { | |
0299c004 | 1708 | if ((as_type != AS_EXTERNAL) && (bgp->as == *as)) |
718e3744 | 1709 | { |
1710 | *as = peer->as; | |
1711 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
1712 | } | |
1713 | } | |
1714 | } | |
1715 | ||
1716 | /* Existing peer's AS number change. */ | |
9da3a1a1 DS |
1717 | if (((peer->as_type == AS_SPECIFIED) && peer->as != *as) || |
1718 | (peer->as_type != as_type)) | |
0299c004 | 1719 | peer_as_change (peer, *as, as_type); |
718e3744 | 1720 | } |
1721 | else | |
1722 | { | |
a80beece DS |
1723 | if (conf_if) |
1724 | return BGP_ERR_NO_INTERFACE_CONFIG; | |
718e3744 | 1725 | |
1726 | /* If the peer is not part of our confederation, and its not an | |
1727 | iBGP peer then spoof the source AS */ | |
1728 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION) | |
1729 | && ! bgp_confederation_peers_check (bgp, *as) | |
1730 | && bgp->as != *as) | |
1731 | local_as = bgp->confed_id; | |
1732 | else | |
1733 | local_as = bgp->as; | |
1734 | ||
1735 | /* If this is IPv4 unicast configuration and "no bgp default | |
1736 | ipv4-unicast" is specified. */ | |
1737 | ||
1738 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4) | |
1739 | && afi == AFI_IP && safi == SAFI_UNICAST) | |
4799375a | 1740 | peer_create (su, conf_if, bgp, local_as, *as, as_type, 0, 0, NULL); |
718e3744 | 1741 | else |
4799375a | 1742 | peer_create (su, conf_if, bgp, local_as, *as, as_type, afi, safi, NULL); |
718e3744 | 1743 | } |
1744 | ||
1745 | return 0; | |
1746 | } | |
1747 | ||
c8560b44 DW |
1748 | static int |
1749 | non_peergroup_activate_af (struct peer *peer, afi_t afi, safi_t safi) | |
718e3744 | 1750 | { |
1751 | int active; | |
1752 | ||
718e3744 | 1753 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
718e3744 | 1754 | { |
c8560b44 DW |
1755 | zlog_err("%s was called for peer-group %s", __func__, peer->host); |
1756 | return 1; | |
1757 | } | |
718e3744 | 1758 | |
c8560b44 DW |
1759 | /* Nothing to do if we've already activated this peer */ |
1760 | if (peer->afc[afi][safi]) | |
1761 | return 0; | |
718e3744 | 1762 | |
c8560b44 DW |
1763 | if (peer_af_create(peer, afi, safi) == NULL) |
1764 | return 1; | |
3f9c7369 | 1765 | |
c8560b44 DW |
1766 | active = peer_active (peer); |
1767 | peer->afc[afi][safi] = 1; | |
1768 | ||
1769 | if (!active && peer_active (peer)) | |
1770 | { | |
1771 | bgp_timer_set (peer); | |
718e3744 | 1772 | } |
c8560b44 DW |
1773 | else |
1774 | { | |
1775 | if (peer->status == Established) | |
1776 | { | |
1777 | if (CHECK_FLAG (peer->cap, PEER_CAP_DYNAMIC_RCV)) | |
1778 | { | |
1779 | peer->afc_adv[afi][safi] = 1; | |
1780 | bgp_capability_send (peer, afi, safi, | |
1781 | CAPABILITY_CODE_MP, | |
1782 | CAPABILITY_ACTION_SET); | |
1783 | if (peer->afc_recv[afi][safi]) | |
1784 | { | |
1785 | peer->afc_nego[afi][safi] = 1; | |
1786 | bgp_announce_route (peer, afi, safi); | |
1787 | } | |
1788 | } | |
1789 | else | |
1790 | { | |
1791 | peer->last_reset = PEER_DOWN_AF_ACTIVATE; | |
1792 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1793 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1794 | } | |
1795 | } | |
1796 | } | |
1797 | ||
1798 | return 0; | |
718e3744 | 1799 | } |
1800 | ||
c8560b44 | 1801 | /* Activate the peer or peer group for specified AFI and SAFI. */ |
718e3744 | 1802 | int |
c8560b44 | 1803 | peer_activate (struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 1804 | { |
c8560b44 | 1805 | int ret = 0; |
718e3744 | 1806 | struct peer_group *group; |
1eb8ef25 | 1807 | struct listnode *node, *nnode; |
c8560b44 | 1808 | struct peer *tmp_peer; |
718e3744 | 1809 | |
c8560b44 DW |
1810 | /* Nothing to do if we've already activated this peer */ |
1811 | if (peer->afc[afi][safi]) | |
1812 | return ret; | |
1813 | ||
1814 | /* This is a peer-group so activate all of the members of the | |
1815 | * peer-group as well */ | |
718e3744 | 1816 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
1817 | { | |
c8560b44 | 1818 | peer->afc[afi][safi] = 1; |
718e3744 | 1819 | group = peer->group; |
1820 | ||
c8560b44 DW |
1821 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, tmp_peer)) |
1822 | { | |
1823 | ret |= non_peergroup_activate_af (tmp_peer, afi, safi); | |
1824 | } | |
718e3744 | 1825 | } |
1826 | else | |
1827 | { | |
c8560b44 DW |
1828 | ret |= non_peergroup_activate_af (peer, afi, safi); |
1829 | } | |
1830 | ||
1831 | return ret; | |
1832 | } | |
1833 | ||
1834 | static int | |
1835 | non_peergroup_deactivate_af (struct peer *peer, afi_t afi, safi_t safi) | |
1836 | { | |
1837 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1838 | { | |
1839 | zlog_err("%s was called for peer-group %s", __func__, peer->host); | |
1840 | return 1; | |
718e3744 | 1841 | } |
1842 | ||
c8560b44 | 1843 | /* Nothing to do if we've already deactivated this peer */ |
718e3744 | 1844 | if (! peer->afc[afi][safi]) |
1845 | return 0; | |
1846 | ||
1847 | /* De-activate the address family configuration. */ | |
1848 | peer->afc[afi][safi] = 0; | |
400b1fad | 1849 | |
3f9c7369 DS |
1850 | if (peer_af_delete(peer, afi, safi) != 0) |
1851 | { | |
1852 | zlog_err("couldn't delete af structure for peer %s", peer->host); | |
c8560b44 | 1853 | return 1; |
3f9c7369 | 1854 | } |
718e3744 | 1855 | |
c8560b44 DW |
1856 | if (peer->status == Established) |
1857 | { | |
1858 | if (CHECK_FLAG (peer->cap, PEER_CAP_DYNAMIC_RCV)) | |
1859 | { | |
1860 | peer->afc_adv[afi][safi] = 0; | |
1861 | peer->afc_nego[afi][safi] = 0; | |
718e3744 | 1862 | |
c8560b44 DW |
1863 | if (peer_active_nego (peer)) |
1864 | { | |
1865 | bgp_capability_send (peer, afi, safi, | |
1866 | CAPABILITY_CODE_MP, | |
1867 | CAPABILITY_ACTION_UNSET); | |
1868 | bgp_clear_route (peer, afi, safi); | |
1869 | peer->pcount[afi][safi] = 0; | |
1870 | } | |
1871 | else | |
e0701b79 | 1872 | { |
1873 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; | |
1874 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1875 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1876 | } | |
c8560b44 DW |
1877 | } |
1878 | else | |
1879 | { | |
1880 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; | |
1881 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1882 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1883 | } | |
718e3744 | 1884 | } |
c8560b44 | 1885 | |
718e3744 | 1886 | return 0; |
1887 | } | |
1888 | ||
c8560b44 DW |
1889 | int |
1890 | peer_deactivate (struct peer *peer, afi_t afi, safi_t safi) | |
1891 | { | |
1892 | int ret = 0; | |
1893 | struct peer_group *group; | |
1894 | struct peer *tmp_peer; | |
1895 | struct listnode *node, *nnode; | |
1896 | ||
1897 | /* Nothing to do if we've already de-activated this peer */ | |
1898 | if (! peer->afc[afi][safi]) | |
1899 | return ret; | |
1900 | ||
1901 | /* This is a peer-group so de-activate all of the members of the | |
1902 | * peer-group as well */ | |
1903 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1904 | { | |
1905 | peer->afc[afi][safi] = 0; | |
1906 | group = peer->group; | |
1907 | ||
1908 | if (peer_af_delete(peer, afi, safi) != 0) | |
1909 | { | |
1910 | zlog_err("couldn't delete af structure for peer %s", peer->host); | |
1911 | } | |
1912 | ||
1913 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, tmp_peer)) | |
1914 | { | |
1915 | ret |= non_peergroup_deactivate_af (tmp_peer, afi, safi); | |
1916 | } | |
1917 | } | |
1918 | else | |
1919 | { | |
1920 | ret |= non_peergroup_deactivate_af (peer, afi, safi); | |
1921 | } | |
1922 | ||
1923 | return ret; | |
1924 | } | |
1925 | ||
4760600f DL |
1926 | int |
1927 | peer_afc_set (struct peer *peer, afi_t afi, safi_t safi, int enable) | |
1928 | { | |
1929 | if (enable) | |
1930 | return peer_activate (peer, afi, safi); | |
1931 | else | |
1932 | return peer_deactivate (peer, afi, safi); | |
1933 | } | |
1934 | ||
da88ea82 | 1935 | static void |
93406d87 | 1936 | peer_nsf_stop (struct peer *peer) |
1937 | { | |
1938 | afi_t afi; | |
1939 | safi_t safi; | |
1940 | ||
1941 | UNSET_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT); | |
1942 | UNSET_FLAG (peer->sflags, PEER_STATUS_NSF_MODE); | |
1943 | ||
1944 | for (afi = AFI_IP ; afi < AFI_MAX ; afi++) | |
4d5b4f7b | 1945 | for (safi = SAFI_UNICAST ; safi < SAFI_RESERVED_4 ; safi++) |
93406d87 | 1946 | peer->nsf[afi][safi] = 0; |
1947 | ||
1948 | if (peer->t_gr_restart) | |
1949 | { | |
1950 | BGP_TIMER_OFF (peer->t_gr_restart); | |
16286195 | 1951 | if (bgp_debug_neighbor_events(peer)) |
93406d87 | 1952 | zlog_debug ("%s graceful restart timer stopped", peer->host); |
1953 | } | |
1954 | if (peer->t_gr_stale) | |
1955 | { | |
1956 | BGP_TIMER_OFF (peer->t_gr_stale); | |
16286195 | 1957 | if (bgp_debug_neighbor_events(peer)) |
93406d87 | 1958 | zlog_debug ("%s graceful restart stalepath timer stopped", peer->host); |
1959 | } | |
1960 | bgp_clear_route_all (peer); | |
1961 | } | |
1962 | ||
ca058a30 PJ |
1963 | /* Delete peer from confguration. |
1964 | * | |
1965 | * The peer is moved to a dead-end "Deleted" neighbour-state, to allow | |
1966 | * it to "cool off" and refcounts to hit 0, at which state it is freed. | |
1967 | * | |
1968 | * This function /should/ take care to be idempotent, to guard against | |
1969 | * it being called multiple times through stray events that come in | |
1970 | * that happen to result in this function being called again. That | |
1971 | * said, getting here for a "Deleted" peer is a bug in the neighbour | |
1972 | * FSM. | |
1973 | */ | |
718e3744 | 1974 | int |
1975 | peer_delete (struct peer *peer) | |
1976 | { | |
1977 | int i; | |
1978 | afi_t afi; | |
1979 | safi_t safi; | |
1980 | struct bgp *bgp; | |
1981 | struct bgp_filter *filter; | |
228da428 | 1982 | struct listnode *pn; |
019cbf70 | 1983 | int accept_peer; |
718e3744 | 1984 | |
ca058a30 | 1985 | assert (peer->status != Deleted); |
1ff9a340 | 1986 | |
718e3744 | 1987 | bgp = peer->bgp; |
019cbf70 | 1988 | accept_peer = CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER); |
718e3744 | 1989 | |
93406d87 | 1990 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT)) |
1991 | peer_nsf_stop (peer); | |
1992 | ||
1ff9a340 DS |
1993 | SET_FLAG(peer->flags, PEER_FLAG_DELETE); |
1994 | ||
228da428 | 1995 | /* If this peer belongs to peer group, clear up the |
718e3744 | 1996 | relationship. */ |
1997 | if (peer->group) | |
1998 | { | |
f14e6fdb DS |
1999 | if (peer_dynamic_neighbor(peer)) |
2000 | peer_drop_dynamic_neighbor(peer); | |
2001 | ||
ca058a30 PJ |
2002 | if ((pn = listnode_lookup (peer->group->peer, peer))) |
2003 | { | |
2004 | peer = peer_unlock (peer); /* group->peer list reference */ | |
2005 | list_delete_node (peer->group->peer, pn); | |
2006 | } | |
718e3744 | 2007 | peer->group = NULL; |
2008 | } | |
200df115 | 2009 | |
718e3744 | 2010 | /* Withdraw all information from routing table. We can not use |
200df115 | 2011 | * BGP_EVENT_ADD (peer, BGP_Stop) at here. Because the event is |
2012 | * executed after peer structure is deleted. | |
2013 | */ | |
e0701b79 | 2014 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; |
718e3744 | 2015 | bgp_stop (peer); |
1ff9a340 DS |
2016 | UNSET_FLAG(peer->flags, PEER_FLAG_DELETE); |
2017 | ||
2018 | if (peer->doppelganger) | |
9e08021c DW |
2019 | { |
2020 | peer->doppelganger->doppelganger = NULL; | |
2021 | peer->doppelganger = NULL; | |
2022 | } | |
1ff9a340 DS |
2023 | |
2024 | UNSET_FLAG(peer->sflags, PEER_STATUS_ACCEPT_PEER); | |
ca058a30 | 2025 | bgp_fsm_change_status (peer, Deleted); |
f9164b1d PJ |
2026 | |
2027 | /* Remove from NHT */ | |
7cd6a66a | 2028 | if (CHECK_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE)) |
2029 | bgp_unlink_nexthop_by_peer (peer); | |
f9164b1d | 2030 | |
0df7c91f PJ |
2031 | /* Password configuration */ |
2032 | if (peer->password) | |
2033 | { | |
2034 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
2035 | peer->password = NULL; | |
2036 | ||
019cbf70 | 2037 | if (!accept_peer && |
89ca90fa | 2038 | ! BGP_PEER_SU_UNSPEC(peer) && |
019cbf70 | 2039 | ! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
89ca90fa | 2040 | bgp_md5_unset (peer); |
0df7c91f PJ |
2041 | } |
2042 | ||
ca058a30 | 2043 | bgp_timer_set (peer); /* stops all timers for Deleted */ |
1ff9a340 | 2044 | |
718e3744 | 2045 | /* Delete from all peer list. */ |
228da428 CC |
2046 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) |
2047 | && (pn = listnode_lookup (bgp->peer, peer))) | |
fee0f4c6 | 2048 | { |
228da428 CC |
2049 | peer_unlock (peer); /* bgp peer list reference */ |
2050 | list_delete_node (bgp->peer, pn); | |
dd793e4a | 2051 | hash_release(bgp->peerhash, peer); |
228da428 | 2052 | } |
200df115 | 2053 | |
200df115 | 2054 | /* Buffers. */ |
718e3744 | 2055 | if (peer->ibuf) |
9e08021c DW |
2056 | { |
2057 | stream_free (peer->ibuf); | |
2058 | peer->ibuf = NULL; | |
2059 | } | |
2060 | ||
718e3744 | 2061 | if (peer->obuf) |
9e08021c DW |
2062 | { |
2063 | stream_fifo_free (peer->obuf); | |
2064 | peer->obuf = NULL; | |
2065 | } | |
2066 | ||
718e3744 | 2067 | if (peer->work) |
9e08021c DW |
2068 | { |
2069 | stream_free (peer->work); | |
2070 | peer->work = NULL; | |
2071 | } | |
2072 | ||
8c71e481 | 2073 | if (peer->scratch) |
9e08021c DW |
2074 | { |
2075 | stream_free(peer->scratch); | |
2076 | peer->scratch = NULL; | |
2077 | } | |
18937400 | 2078 | |
718e3744 | 2079 | /* Local and remote addresses. */ |
2080 | if (peer->su_local) | |
9e08021c DW |
2081 | { |
2082 | sockunion_free (peer->su_local); | |
2083 | peer->su_local = NULL; | |
2084 | } | |
2085 | ||
718e3744 | 2086 | if (peer->su_remote) |
9e08021c DW |
2087 | { |
2088 | sockunion_free (peer->su_remote); | |
2089 | peer->su_remote = NULL; | |
2090 | } | |
200df115 | 2091 | |
718e3744 | 2092 | /* Free filter related memory. */ |
2093 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
2094 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
2095 | { | |
2096 | filter = &peer->filter[afi][safi]; | |
2097 | ||
2098 | for (i = FILTER_IN; i < FILTER_MAX; i++) | |
2099 | { | |
2100 | if (filter->dlist[i].name) | |
9e08021c DW |
2101 | { |
2102 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[i].name); | |
2103 | filter->dlist[i].name = NULL; | |
2104 | } | |
2105 | ||
718e3744 | 2106 | if (filter->plist[i].name) |
9e08021c DW |
2107 | { |
2108 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[i].name); | |
2109 | filter->plist[i].name = NULL; | |
2110 | } | |
2111 | ||
718e3744 | 2112 | if (filter->aslist[i].name) |
9e08021c DW |
2113 | { |
2114 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[i].name); | |
2115 | filter->aslist[i].name = NULL; | |
2116 | } | |
200df115 | 2117 | } |
9e08021c | 2118 | |
200df115 | 2119 | for (i = RMAP_IN; i < RMAP_MAX; i++) |
2120 | { | |
718e3744 | 2121 | if (filter->map[i].name) |
9e08021c DW |
2122 | { |
2123 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[i].name); | |
2124 | filter->map[i].name = NULL; | |
2125 | } | |
718e3744 | 2126 | } |
2127 | ||
2128 | if (filter->usmap.name) | |
9e08021c DW |
2129 | { |
2130 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); | |
2131 | filter->usmap.name = NULL; | |
2132 | } | |
718e3744 | 2133 | |
2134 | if (peer->default_rmap[afi][safi].name) | |
9e08021c DW |
2135 | { |
2136 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); | |
2137 | peer->default_rmap[afi][safi].name = NULL; | |
2138 | } | |
718e3744 | 2139 | } |
3f9c7369 DS |
2140 | |
2141 | FOREACH_AFI_SAFI (afi, safi) | |
2142 | peer_af_delete (peer, afi, safi); | |
04b6bdc0 DW |
2143 | |
2144 | if (peer->hostname) | |
9e08021c | 2145 | { |
4a1ab8e4 | 2146 | XFREE(MTYPE_BGP_PEER_HOST, peer->hostname); |
9e08021c DW |
2147 | peer->hostname = NULL; |
2148 | } | |
2149 | ||
04b6bdc0 | 2150 | if (peer->domainname) |
9e08021c | 2151 | { |
4a1ab8e4 | 2152 | XFREE(MTYPE_BGP_PEER_HOST, peer->domainname); |
9e08021c DW |
2153 | peer->domainname = NULL; |
2154 | } | |
bb86c601 | 2155 | |
200df115 | 2156 | peer_unlock (peer); /* initial reference */ |
718e3744 | 2157 | |
2158 | return 0; | |
2159 | } | |
6b0655a2 | 2160 | |
94f2b392 | 2161 | static int |
718e3744 | 2162 | peer_group_cmp (struct peer_group *g1, struct peer_group *g2) |
2163 | { | |
2164 | return strcmp (g1->name, g2->name); | |
2165 | } | |
2166 | ||
718e3744 | 2167 | /* Peer group cofiguration. */ |
2168 | static struct peer_group * | |
66e5cd87 | 2169 | peer_group_new (void) |
718e3744 | 2170 | { |
4a1ab8e4 | 2171 | return (struct peer_group *) XCALLOC (MTYPE_PEER_GROUP, |
718e3744 | 2172 | sizeof (struct peer_group)); |
2173 | } | |
2174 | ||
94f2b392 | 2175 | static void |
718e3744 | 2176 | peer_group_free (struct peer_group *group) |
2177 | { | |
4a1ab8e4 | 2178 | XFREE (MTYPE_PEER_GROUP, group); |
718e3744 | 2179 | } |
2180 | ||
2181 | struct peer_group * | |
fd79ac91 | 2182 | peer_group_lookup (struct bgp *bgp, const char *name) |
718e3744 | 2183 | { |
2184 | struct peer_group *group; | |
1eb8ef25 | 2185 | struct listnode *node, *nnode; |
718e3744 | 2186 | |
1eb8ef25 | 2187 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 2188 | { |
2189 | if (strcmp (group->name, name) == 0) | |
2190 | return group; | |
2191 | } | |
2192 | return NULL; | |
2193 | } | |
2194 | ||
2195 | struct peer_group * | |
fd79ac91 | 2196 | peer_group_get (struct bgp *bgp, const char *name) |
718e3744 | 2197 | { |
2198 | struct peer_group *group; | |
f14e6fdb | 2199 | afi_t afi; |
718e3744 | 2200 | |
2201 | group = peer_group_lookup (bgp, name); | |
2202 | if (group) | |
2203 | return group; | |
2204 | ||
2205 | group = peer_group_new (); | |
2206 | group->bgp = bgp; | |
6e919709 | 2207 | if (group->name) |
4a1ab8e4 DL |
2208 | XFREE(MTYPE_PEER_GROUP_HOST, group->name); |
2209 | group->name = XSTRDUP(MTYPE_PEER_GROUP_HOST, name); | |
718e3744 | 2210 | group->peer = list_new (); |
f14e6fdb DS |
2211 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
2212 | group->listen_range[afi] = list_new (); | |
6f58544d | 2213 | group->conf = peer_new (bgp); |
718e3744 | 2214 | if (! bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) |
2215 | group->conf->afc[AFI_IP][SAFI_UNICAST] = 1; | |
6e919709 DS |
2216 | if (group->conf->host) |
2217 | XFREE(MTYPE_BGP_PEER_HOST, group->conf->host); | |
228da428 | 2218 | group->conf->host = XSTRDUP (MTYPE_BGP_PEER_HOST, name); |
718e3744 | 2219 | group->conf->group = group; |
2220 | group->conf->as = 0; | |
2221 | group->conf->ttl = 1; | |
fa411a21 | 2222 | group->conf->gtsm_hops = 0; |
718e3744 | 2223 | group->conf->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; |
2224 | UNSET_FLAG (group->conf->config, PEER_CONFIG_TIMER); | |
2225 | UNSET_FLAG (group->conf->config, PEER_CONFIG_CONNECT); | |
2226 | group->conf->keepalive = 0; | |
2227 | group->conf->holdtime = 0; | |
2228 | group->conf->connect = 0; | |
2229 | SET_FLAG (group->conf->sflags, PEER_STATUS_GROUP); | |
2230 | listnode_add_sort (bgp->group, group); | |
2231 | ||
2232 | return 0; | |
2233 | } | |
2234 | ||
94f2b392 | 2235 | static void |
a4ed4829 | 2236 | peer_group2peer_config_copy (struct peer_group *group, struct peer *peer) |
718e3744 | 2237 | { |
718e3744 | 2238 | struct peer *conf; |
8ffedcea | 2239 | int v6only; |
718e3744 | 2240 | |
2241 | conf = group->conf; | |
718e3744 | 2242 | |
2243 | /* remote-as */ | |
2244 | if (conf->as) | |
2245 | peer->as = conf->as; | |
2246 | ||
2247 | /* remote-as */ | |
2248 | if (conf->change_local_as) | |
2249 | peer->change_local_as = conf->change_local_as; | |
2250 | ||
2251 | /* TTL */ | |
2252 | peer->ttl = conf->ttl; | |
2253 | ||
fa411a21 NH |
2254 | /* GTSM hops */ |
2255 | peer->gtsm_hops = conf->gtsm_hops; | |
2256 | ||
8ffedcea DS |
2257 | /* this flag is per-neighbor and so has to be preserved */ |
2258 | v6only = CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY); | |
2259 | ||
718e3744 | 2260 | /* peer flags apply */ |
2261 | peer->flags = conf->flags; | |
8ffedcea DS |
2262 | |
2263 | if (v6only) | |
2264 | SET_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY); | |
2265 | ||
718e3744 | 2266 | /* peer config apply */ |
2267 | peer->config = conf->config; | |
2268 | ||
2269 | /* peer timers apply */ | |
2270 | peer->holdtime = conf->holdtime; | |
2271 | peer->keepalive = conf->keepalive; | |
2272 | peer->connect = conf->connect; | |
2273 | if (CHECK_FLAG (conf->config, PEER_CONFIG_CONNECT)) | |
2274 | peer->v_connect = conf->connect; | |
2275 | else | |
2276 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
2277 | ||
2278 | /* advertisement-interval reset */ | |
966f821c DS |
2279 | if (CHECK_FLAG (conf->config, PEER_CONFIG_ROUTEADV)) |
2280 | peer->v_routeadv = conf->routeadv; | |
718e3744 | 2281 | else |
966f821c DS |
2282 | if (peer_sort (peer) == BGP_PEER_IBGP) |
2283 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
2284 | else | |
2285 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
718e3744 | 2286 | |
0df7c91f | 2287 | /* password apply */ |
0e4303d3 | 2288 | if (conf->password && !peer->password) |
0df7c91f | 2289 | peer->password = XSTRDUP (MTYPE_PEER_PASSWORD, conf->password); |
0df7c91f | 2290 | |
89ca90fa | 2291 | if (! BGP_PEER_SU_UNSPEC(peer)) |
2292 | bgp_md5_set (peer); | |
0df7c91f | 2293 | |
718e3744 | 2294 | /* update-source apply */ |
2295 | if (conf->update_source) | |
2296 | { | |
2297 | if (peer->update_source) | |
2298 | sockunion_free (peer->update_source); | |
2299 | if (peer->update_if) | |
2300 | { | |
2301 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2302 | peer->update_if = NULL; | |
2303 | } | |
2304 | peer->update_source = sockunion_dup (conf->update_source); | |
2305 | } | |
2306 | else if (conf->update_if) | |
2307 | { | |
2308 | if (peer->update_if) | |
6e919709 | 2309 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if); |
718e3744 | 2310 | if (peer->update_source) |
2311 | { | |
2312 | sockunion_free (peer->update_source); | |
2313 | peer->update_source = NULL; | |
2314 | } | |
2315 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, conf->update_if); | |
2316 | } | |
8d78d851 | 2317 | |
2318 | bgp_bfd_peer_group2peer_copy(conf, peer); | |
a4ed4829 DW |
2319 | } |
2320 | ||
2321 | static void | |
2322 | peer_group2peer_config_copy_af (struct peer_group *group, struct peer *peer, | |
2323 | afi_t afi, safi_t safi) | |
2324 | { | |
2325 | int in = FILTER_IN; | |
2326 | int out = FILTER_OUT; | |
2327 | struct peer *conf; | |
2328 | struct bgp_filter *pfilter; | |
2329 | struct bgp_filter *gfilter; | |
2330 | ||
2331 | conf = group->conf; | |
2332 | pfilter = &peer->filter[afi][safi]; | |
2333 | gfilter = &conf->filter[afi][safi]; | |
2334 | ||
2335 | /* peer af_flags apply */ | |
2336 | peer->af_flags[afi][safi] = conf->af_flags[afi][safi]; | |
2337 | ||
2338 | /* maximum-prefix */ | |
2339 | peer->pmax[afi][safi] = conf->pmax[afi][safi]; | |
2340 | peer->pmax_threshold[afi][safi] = conf->pmax_threshold[afi][safi]; | |
2341 | peer->pmax_restart[afi][safi] = conf->pmax_restart[afi][safi]; | |
2342 | ||
2343 | /* allowas-in */ | |
2344 | peer->allowas_in[afi][safi] = conf->allowas_in[afi][safi]; | |
2345 | ||
d93f7ffc DW |
2346 | /* weight */ |
2347 | peer->weight[afi][safi] = conf->weight[afi][safi]; | |
2348 | ||
a4ed4829 DW |
2349 | /* default-originate route-map */ |
2350 | if (conf->default_rmap[afi][safi].name) | |
2351 | { | |
2352 | if (peer->default_rmap[afi][safi].name) | |
2353 | XFREE(MTYPE_BGP_FILTER_NAME, peer->default_rmap[afi][safi].name); | |
2354 | peer->default_rmap[afi][safi].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, conf->default_rmap[afi][safi].name); | |
2355 | peer->default_rmap[afi][safi].map = conf->default_rmap[afi][safi].map; | |
2356 | } | |
718e3744 | 2357 | |
2358 | /* inbound filter apply */ | |
2359 | if (gfilter->dlist[in].name && ! pfilter->dlist[in].name) | |
2360 | { | |
2361 | if (pfilter->dlist[in].name) | |
6e919709 DS |
2362 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->dlist[in].name); |
2363 | pfilter->dlist[in].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->dlist[in].name); | |
718e3744 | 2364 | pfilter->dlist[in].alist = gfilter->dlist[in].alist; |
2365 | } | |
a4ed4829 | 2366 | |
718e3744 | 2367 | if (gfilter->plist[in].name && ! pfilter->plist[in].name) |
2368 | { | |
2369 | if (pfilter->plist[in].name) | |
6e919709 DS |
2370 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->plist[in].name); |
2371 | pfilter->plist[in].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->plist[in].name); | |
718e3744 | 2372 | pfilter->plist[in].plist = gfilter->plist[in].plist; |
2373 | } | |
a4ed4829 | 2374 | |
718e3744 | 2375 | if (gfilter->aslist[in].name && ! pfilter->aslist[in].name) |
2376 | { | |
2377 | if (pfilter->aslist[in].name) | |
6e919709 DS |
2378 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->aslist[in].name); |
2379 | pfilter->aslist[in].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->aslist[in].name); | |
718e3744 | 2380 | pfilter->aslist[in].aslist = gfilter->aslist[in].aslist; |
2381 | } | |
a4ed4829 | 2382 | |
fee0f4c6 | 2383 | if (gfilter->map[RMAP_IN].name && ! pfilter->map[RMAP_IN].name) |
718e3744 | 2384 | { |
fee0f4c6 | 2385 | if (pfilter->map[RMAP_IN].name) |
6e919709 DS |
2386 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->map[RMAP_IN].name); |
2387 | pfilter->map[RMAP_IN].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->map[RMAP_IN].name); | |
fee0f4c6 | 2388 | pfilter->map[RMAP_IN].map = gfilter->map[RMAP_IN].map; |
718e3744 | 2389 | } |
2390 | ||
2391 | /* outbound filter apply */ | |
2392 | if (gfilter->dlist[out].name) | |
2393 | { | |
2394 | if (pfilter->dlist[out].name) | |
6e919709 DS |
2395 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->dlist[out].name); |
2396 | pfilter->dlist[out].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->dlist[out].name); | |
718e3744 | 2397 | pfilter->dlist[out].alist = gfilter->dlist[out].alist; |
2398 | } | |
2399 | else | |
2400 | { | |
2401 | if (pfilter->dlist[out].name) | |
6e919709 | 2402 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->dlist[out].name); |
718e3744 | 2403 | pfilter->dlist[out].name = NULL; |
2404 | pfilter->dlist[out].alist = NULL; | |
2405 | } | |
a4ed4829 | 2406 | |
718e3744 | 2407 | if (gfilter->plist[out].name) |
2408 | { | |
2409 | if (pfilter->plist[out].name) | |
6e919709 DS |
2410 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->plist[out].name); |
2411 | pfilter->plist[out].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->plist[out].name); | |
718e3744 | 2412 | pfilter->plist[out].plist = gfilter->plist[out].plist; |
2413 | } | |
2414 | else | |
2415 | { | |
2416 | if (pfilter->plist[out].name) | |
6e919709 | 2417 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->plist[out].name); |
718e3744 | 2418 | pfilter->plist[out].name = NULL; |
2419 | pfilter->plist[out].plist = NULL; | |
2420 | } | |
a4ed4829 | 2421 | |
718e3744 | 2422 | if (gfilter->aslist[out].name) |
2423 | { | |
2424 | if (pfilter->aslist[out].name) | |
6e919709 DS |
2425 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->aslist[out].name); |
2426 | pfilter->aslist[out].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->aslist[out].name); | |
718e3744 | 2427 | pfilter->aslist[out].aslist = gfilter->aslist[out].aslist; |
2428 | } | |
2429 | else | |
2430 | { | |
2431 | if (pfilter->aslist[out].name) | |
6e919709 | 2432 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->aslist[out].name); |
718e3744 | 2433 | pfilter->aslist[out].name = NULL; |
2434 | pfilter->aslist[out].aslist = NULL; | |
2435 | } | |
a4ed4829 | 2436 | |
fee0f4c6 | 2437 | if (gfilter->map[RMAP_OUT].name) |
2438 | { | |
2439 | if (pfilter->map[RMAP_OUT].name) | |
6e919709 DS |
2440 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->map[RMAP_OUT].name); |
2441 | pfilter->map[RMAP_OUT].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->map[RMAP_OUT].name); | |
fee0f4c6 | 2442 | pfilter->map[RMAP_OUT].map = gfilter->map[RMAP_OUT].map; |
2443 | } | |
2444 | else | |
2445 | { | |
2446 | if (pfilter->map[RMAP_OUT].name) | |
6e919709 | 2447 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->map[RMAP_OUT].name); |
fee0f4c6 | 2448 | pfilter->map[RMAP_OUT].name = NULL; |
2449 | pfilter->map[RMAP_OUT].map = NULL; | |
2450 | } | |
2451 | ||
718e3744 | 2452 | if (gfilter->usmap.name) |
2453 | { | |
2454 | if (pfilter->usmap.name) | |
6e919709 DS |
2455 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->usmap.name); |
2456 | pfilter->usmap.name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->usmap.name); | |
718e3744 | 2457 | pfilter->usmap.map = gfilter->usmap.map; |
2458 | } | |
2459 | else | |
2460 | { | |
2461 | if (pfilter->usmap.name) | |
6e919709 | 2462 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->usmap.name); |
718e3744 | 2463 | pfilter->usmap.name = NULL; |
2464 | pfilter->usmap.map = NULL; | |
2465 | } | |
2466 | } | |
2467 | ||
2468 | /* Peer group's remote AS configuration. */ | |
2469 | int | |
0299c004 DS |
2470 | peer_group_remote_as (struct bgp *bgp, const char *group_name, |
2471 | as_t *as, int as_type) | |
718e3744 | 2472 | { |
2473 | struct peer_group *group; | |
2474 | struct peer *peer; | |
1eb8ef25 | 2475 | struct listnode *node, *nnode; |
718e3744 | 2476 | |
2477 | group = peer_group_lookup (bgp, group_name); | |
2478 | if (! group) | |
2479 | return -1; | |
2480 | ||
0299c004 | 2481 | if ((as_type == group->conf->as_type) && (group->conf->as == *as)) |
718e3744 | 2482 | return 0; |
2483 | ||
0299c004 | 2484 | |
718e3744 | 2485 | /* When we setup peer-group AS number all peer group member's AS |
2486 | number must be updated to same number. */ | |
0299c004 | 2487 | peer_as_change (group->conf, *as, as_type); |
718e3744 | 2488 | |
1eb8ef25 | 2489 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2490 | { |
9da3a1a1 DS |
2491 | if (((peer->as_type == AS_SPECIFIED) && peer->as != *as) || |
2492 | (peer->as_type != as_type)) | |
0299c004 | 2493 | peer_as_change (peer, *as, as_type); |
718e3744 | 2494 | } |
2495 | ||
2496 | return 0; | |
2497 | } | |
2498 | ||
2499 | int | |
2500 | peer_group_delete (struct peer_group *group) | |
2501 | { | |
2502 | struct bgp *bgp; | |
2503 | struct peer *peer; | |
f14e6fdb | 2504 | struct prefix *prefix; |
1ff9a340 | 2505 | struct peer *other; |
1eb8ef25 | 2506 | struct listnode *node, *nnode; |
f14e6fdb | 2507 | afi_t afi; |
718e3744 | 2508 | |
2509 | bgp = group->bgp; | |
2510 | ||
1eb8ef25 | 2511 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2512 | { |
1ff9a340 | 2513 | other = peer->doppelganger; |
718e3744 | 2514 | peer_delete (peer); |
1ff9a340 DS |
2515 | if (other && other->status != Deleted) |
2516 | { | |
2517 | other->group = NULL; | |
2518 | peer_delete(other); | |
2519 | } | |
718e3744 | 2520 | } |
2521 | list_delete (group->peer); | |
2522 | ||
f14e6fdb DS |
2523 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
2524 | { | |
2525 | for (ALL_LIST_ELEMENTS (group->listen_range[afi], node, nnode, prefix)) | |
2526 | { | |
2527 | prefix_free(prefix); | |
2528 | } | |
2529 | list_delete (group->listen_range[afi]); | |
2530 | } | |
2531 | ||
daf9ddbb | 2532 | XFREE(MTYPE_PEER_GROUP_HOST, group->name); |
718e3744 | 2533 | group->name = NULL; |
2534 | ||
080b97f2 DS |
2535 | bfd_info_free(&(group->conf->bfd_info)); |
2536 | ||
718e3744 | 2537 | group->conf->group = NULL; |
2538 | peer_delete (group->conf); | |
2539 | ||
2540 | /* Delete from all peer_group list. */ | |
2541 | listnode_delete (bgp->group, group); | |
2542 | ||
2543 | peer_group_free (group); | |
2544 | ||
2545 | return 0; | |
2546 | } | |
2547 | ||
2548 | int | |
2549 | peer_group_remote_as_delete (struct peer_group *group) | |
2550 | { | |
1ff9a340 | 2551 | struct peer *peer, *other; |
1eb8ef25 | 2552 | struct listnode *node, *nnode; |
718e3744 | 2553 | |
0299c004 DS |
2554 | if ((group->conf->as_type == AS_UNSPECIFIED) || |
2555 | ((! group->conf->as) && (group->conf->as_type == AS_SPECIFIED))) | |
718e3744 | 2556 | return 0; |
2557 | ||
1eb8ef25 | 2558 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2559 | { |
1ff9a340 DS |
2560 | other = peer->doppelganger; |
2561 | ||
718e3744 | 2562 | peer_delete (peer); |
1ff9a340 DS |
2563 | |
2564 | if (other && other->status != Deleted) | |
2565 | { | |
2566 | other->group = NULL; | |
2567 | peer_delete(other); | |
2568 | } | |
718e3744 | 2569 | } |
2570 | list_delete_all_node (group->peer); | |
2571 | ||
2572 | group->conf->as = 0; | |
0299c004 | 2573 | group->conf->as_type = AS_UNSPECIFIED; |
718e3744 | 2574 | |
2575 | return 0; | |
2576 | } | |
2577 | ||
f14e6fdb DS |
2578 | int |
2579 | peer_group_listen_range_add (struct peer_group *group, struct prefix *range) | |
2580 | { | |
2581 | struct prefix *prefix; | |
2582 | struct listnode *node, *nnode; | |
2583 | afi_t afi; | |
2584 | ||
2585 | afi = family2afi(range->family); | |
2586 | ||
2587 | /* Group needs remote AS configured. */ | |
2aab8d2b | 2588 | if (group->conf->as_type == AS_UNSPECIFIED) |
f14e6fdb DS |
2589 | return BGP_ERR_PEER_GROUP_NO_REMOTE_AS; |
2590 | ||
2591 | /* Ensure no duplicates. Currently we don't care about overlaps. */ | |
2592 | for (ALL_LIST_ELEMENTS (group->listen_range[afi], node, nnode, prefix)) | |
2593 | { | |
2594 | if (prefix_same(range, prefix)) | |
57e9ee0a | 2595 | return 0; |
f14e6fdb DS |
2596 | } |
2597 | ||
2598 | prefix = prefix_new(); | |
2599 | prefix_copy(prefix, range); | |
2600 | listnode_add(group->listen_range[afi], prefix); | |
2601 | return 0; | |
2602 | } | |
2603 | ||
2604 | int | |
2605 | peer_group_listen_range_del (struct peer_group *group, struct prefix *range) | |
2606 | { | |
40ee54a7 | 2607 | struct prefix *prefix, prefix2; |
f14e6fdb DS |
2608 | struct listnode *node, *nnode; |
2609 | struct peer *peer; | |
2610 | afi_t afi; | |
4690c7d7 | 2611 | char buf[PREFIX2STR_BUFFER]; |
f14e6fdb DS |
2612 | |
2613 | afi = family2afi(range->family); | |
2614 | ||
2615 | /* Identify the listen range. */ | |
2616 | for (ALL_LIST_ELEMENTS (group->listen_range[afi], node, nnode, prefix)) | |
2617 | { | |
2618 | if (prefix_same(range, prefix)) | |
2619 | break; | |
2620 | } | |
2621 | ||
2622 | if (!prefix) | |
2623 | return BGP_ERR_DYNAMIC_NEIGHBORS_RANGE_NOT_FOUND; | |
2624 | ||
2625 | prefix2str(prefix, buf, sizeof(buf)); | |
2626 | ||
2627 | /* Dispose off any dynamic neighbors that exist due to this listen range */ | |
2628 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
2629 | { | |
2630 | if (!peer_dynamic_neighbor (peer)) | |
2631 | continue; | |
2632 | ||
40ee54a7 TT |
2633 | sockunion2hostprefix(&peer->su, &prefix2); |
2634 | if (prefix_match(prefix, &prefix2)) | |
f14e6fdb DS |
2635 | { |
2636 | if (bgp_debug_neighbor_events(peer)) | |
2637 | zlog_debug ("Deleting dynamic neighbor %s group %s upon " | |
2638 | "delete of listen range %s", | |
2639 | peer->host, group->name, buf); | |
2640 | peer_delete (peer); | |
2641 | } | |
2642 | } | |
2643 | ||
2644 | /* Get rid of the listen range */ | |
2645 | listnode_delete(group->listen_range[afi], prefix); | |
2646 | ||
2647 | return 0; | |
2648 | } | |
2649 | ||
718e3744 | 2650 | /* Bind specified peer to peer group. */ |
2651 | int | |
a80beece | 2652 | peer_group_bind (struct bgp *bgp, union sockunion *su, struct peer *peer, |
c8560b44 | 2653 | struct peer_group *group, as_t *as) |
718e3744 | 2654 | { |
718e3744 | 2655 | int first_member = 0; |
c8560b44 DW |
2656 | afi_t afi; |
2657 | safi_t safi; | |
b3a39dc5 | 2658 | int cap_enhe_preset = 0; |
718e3744 | 2659 | |
2660 | /* Lookup the peer. */ | |
a80beece | 2661 | if (!peer) |
c8560b44 | 2662 | peer = peer_lookup (bgp, su); |
718e3744 | 2663 | |
c8560b44 DW |
2664 | /* The peer exist, bind it to the peer-group */ |
2665 | if (peer) | |
718e3744 | 2666 | { |
c8560b44 DW |
2667 | /* When the peer already belongs to peer group, check the consistency. */ |
2668 | if (peer_group_active (peer) && strcmp (peer->group->name, group->name) != 0) | |
4c48cf63 | 2669 | return BGP_ERR_PEER_GROUP_CANT_CHANGE; |
718e3744 | 2670 | |
c8560b44 DW |
2671 | /* The peer has not specified a remote-as, inherit it from the |
2672 | * peer-group */ | |
2673 | if (peer->as_type == AS_UNSPECIFIED) | |
2674 | { | |
2675 | peer->as_type = group->conf->as_type; | |
2676 | peer->as = group->conf->as; | |
2677 | } | |
200df115 | 2678 | |
c8560b44 DW |
2679 | if (! group->conf->as) |
2680 | { | |
2681 | if (peer_sort (group->conf) != BGP_PEER_INTERNAL | |
2682 | && peer_sort (group->conf) != peer_sort (peer)) | |
2683 | { | |
2684 | if (as) | |
2685 | *as = peer->as; | |
2686 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
2687 | } | |
718e3744 | 2688 | |
c8560b44 DW |
2689 | if (peer_sort (group->conf) == BGP_PEER_INTERNAL) |
2690 | first_member = 1; | |
2691 | } | |
718e3744 | 2692 | |
b3a39dc5 DD |
2693 | if (CHECK_FLAG (peer->flags, PEER_FLAG_CAPABILITY_ENHE)) |
2694 | cap_enhe_preset = 1; | |
2695 | ||
a4ed4829 DW |
2696 | peer_group2peer_config_copy(group, peer); |
2697 | ||
b3a39dc5 DD |
2698 | /* |
2699 | * Capability extended-nexthop is enabled for an interface neighbor by | |
2700 | * default. So, fix that up here. | |
2701 | */ | |
71ffee74 | 2702 | if (peer->conf_if && cap_enhe_preset) |
b3a39dc5 DD |
2703 | peer_flag_set (peer, PEER_FLAG_CAPABILITY_ENHE); |
2704 | ||
c8560b44 DW |
2705 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
2706 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
2707 | { | |
2708 | if (group->conf->afc[afi][safi]) | |
2709 | { | |
2710 | peer->afc[afi][safi] = 1; | |
718e3744 | 2711 | |
c8560b44 DW |
2712 | if (peer_af_find(peer, afi, safi) || peer_af_create(peer, afi, safi)) |
2713 | { | |
a4ed4829 | 2714 | peer_group2peer_config_copy_af (group, peer, afi, safi); |
c8560b44 DW |
2715 | } |
2716 | } | |
2717 | } | |
718e3744 | 2718 | |
c8560b44 DW |
2719 | if (peer->group) |
2720 | { | |
2721 | assert (group && peer->group == group); | |
2722 | } | |
2723 | else | |
2724 | { | |
0aaa34db DS |
2725 | struct listnode *pn; |
2726 | pn = listnode_lookup (bgp->peer, peer); | |
2727 | list_delete_node (bgp->peer, pn); | |
c8560b44 | 2728 | peer->group = group; |
0aaa34db | 2729 | listnode_add_sort (bgp->peer, peer); |
718e3744 | 2730 | |
c8560b44 DW |
2731 | peer = peer_lock (peer); /* group->peer list reference */ |
2732 | listnode_add (group->peer, peer); | |
2733 | } | |
0299c004 | 2734 | |
c8560b44 DW |
2735 | if (first_member) |
2736 | { | |
2737 | /* Advertisement-interval reset */ | |
2738 | if (! CHECK_FLAG (group->conf->config, PEER_CONFIG_ROUTEADV)) | |
2739 | { | |
2740 | if (peer_sort (group->conf) == BGP_PEER_IBGP) | |
2741 | group->conf->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
2742 | else | |
2743 | group->conf->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
2744 | } | |
718e3744 | 2745 | |
c8560b44 DW |
2746 | /* ebgp-multihop reset */ |
2747 | if (peer_sort (group->conf) == BGP_PEER_IBGP) | |
9b1be336 | 2748 | group->conf->ttl = MAXTTL; |
718e3744 | 2749 | |
c8560b44 DW |
2750 | /* local-as reset */ |
2751 | if (peer_sort (group->conf) != BGP_PEER_EBGP) | |
2752 | { | |
2753 | group->conf->change_local_as = 0; | |
2754 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
2755 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
2756 | } | |
2757 | } | |
2758 | ||
2759 | SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE); | |
2760 | ||
2761 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
2762 | { | |
2763 | peer->last_reset = PEER_DOWN_RMAP_BIND; | |
2764 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2765 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2766 | } | |
2767 | else | |
2768 | { | |
2769 | bgp_session_reset(peer); | |
2770 | } | |
3f9c7369 | 2771 | } |
c8560b44 DW |
2772 | |
2773 | /* Create a new peer. */ | |
2774 | else | |
718e3744 | 2775 | { |
c8560b44 DW |
2776 | if ((group->conf->as_type == AS_SPECIFIED) && (! group->conf->as)) |
2777 | { | |
2778 | return BGP_ERR_PEER_GROUP_NO_REMOTE_AS; | |
2779 | } | |
2780 | ||
f813b13b | 2781 | peer = peer_create (su, NULL, bgp, bgp->as, group->conf->as, group->conf->as_type, 0, 0, group); |
c8560b44 | 2782 | |
ca058a30 | 2783 | peer = peer_lock (peer); /* group->peer list reference */ |
718e3744 | 2784 | listnode_add (group->peer, peer); |
718e3744 | 2785 | |
a4ed4829 DW |
2786 | peer_group2peer_config_copy(group, peer); |
2787 | ||
c8560b44 DW |
2788 | /* If the peer-group is active for this afi/safi then activate for this peer */ |
2789 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
2790 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
2791 | if (group->conf->afc[afi][safi]) | |
2792 | { | |
2793 | peer->afc[afi][safi] = 1; | |
2794 | peer_af_create(peer, afi, safi); | |
a4ed4829 | 2795 | peer_group2peer_config_copy_af (group, peer, afi, safi); |
c8560b44 | 2796 | } |
fee0f4c6 | 2797 | |
c8560b44 | 2798 | SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE); |
718e3744 | 2799 | |
c8560b44 DW |
2800 | /* Set up peer's events and timers. */ |
2801 | if (peer_active (peer)) | |
2802 | bgp_timer_set (peer); | |
e0701b79 | 2803 | } |
718e3744 | 2804 | |
2805 | return 0; | |
2806 | } | |
2807 | ||
2808 | int | |
2809 | peer_group_unbind (struct bgp *bgp, struct peer *peer, | |
c8560b44 | 2810 | struct peer_group *group) |
718e3744 | 2811 | { |
1ff9a340 | 2812 | struct peer *other; |
c8560b44 DW |
2813 | afi_t afi; |
2814 | safi_t safi; | |
718e3744 | 2815 | |
2816 | if (group != peer->group) | |
2817 | return BGP_ERR_PEER_GROUP_MISMATCH; | |
2818 | ||
c8560b44 DW |
2819 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
2820 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
2821 | { | |
2822 | if (peer->afc[afi][safi]) | |
2823 | { | |
2824 | peer->afc[afi][safi] = 0; | |
2825 | peer_af_flag_reset (peer, afi, safi); | |
718e3744 | 2826 | |
c8560b44 DW |
2827 | if (peer_af_delete(peer, afi, safi) != 0) |
2828 | { | |
2829 | zlog_err("couldn't delete af structure for peer %s", peer->host); | |
2830 | } | |
2831 | } | |
2832 | } | |
2833 | ||
2834 | assert (listnode_lookup (group->peer, peer)); | |
2835 | peer_unlock (peer); /* peer group list reference */ | |
2836 | listnode_delete (group->peer, peer); | |
2837 | peer->group = NULL; | |
2838 | other = peer->doppelganger; | |
2839 | ||
2840 | if (group->conf->as) | |
718e3744 | 2841 | { |
c8560b44 DW |
2842 | peer_delete (peer); |
2843 | if (other && other->status != Deleted) | |
2844 | { | |
2845 | if (other->group) | |
2846 | { | |
2847 | peer_unlock(other); | |
2848 | listnode_delete(group->peer, other); | |
2849 | } | |
2850 | other->group = NULL; | |
2851 | peer_delete(other); | |
2852 | } | |
2853 | return 0; | |
718e3744 | 2854 | } |
2855 | ||
c8560b44 DW |
2856 | bgp_bfd_deregister_peer(peer); |
2857 | peer_global_config_reset (peer); | |
2858 | ||
6aa136f1 | 2859 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 2860 | { |
2861 | peer->last_reset = PEER_DOWN_RMAP_UNBIND; | |
2862 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2863 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2864 | } | |
718e3744 | 2865 | else |
1ff9a340 | 2866 | bgp_session_reset(peer); |
718e3744 | 2867 | |
2868 | return 0; | |
2869 | } | |
6b0655a2 | 2870 | |
fe7d2a48 DS |
2871 | static int |
2872 | bgp_startup_timer_expire (struct thread *thread) | |
2873 | { | |
2874 | struct bgp *bgp; | |
2875 | ||
2876 | bgp = THREAD_ARG (thread); | |
2877 | bgp->t_startup = NULL; | |
2878 | ||
2879 | return 0; | |
2880 | } | |
2881 | ||
718e3744 | 2882 | /* BGP instance creation by `router bgp' commands. */ |
94f2b392 | 2883 | static struct bgp * |
ad4cbda1 | 2884 | bgp_create (as_t *as, const char *name, enum bgp_instance_type inst_type) |
718e3744 | 2885 | { |
2886 | struct bgp *bgp; | |
2887 | afi_t afi; | |
2888 | safi_t safi; | |
2889 | ||
200df115 | 2890 | if ( (bgp = XCALLOC (MTYPE_BGP, sizeof (struct bgp))) == NULL) |
2891 | return NULL; | |
2892 | ||
ad4cbda1 | 2893 | if (BGP_DEBUG (zebra, ZEBRA)) |
2894 | { | |
2895 | if (inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
2896 | zlog_debug("Creating Default VRF, AS %u", *as); | |
2897 | else | |
2898 | zlog_debug("Creating %s %s, AS %u", | |
2899 | (inst_type == BGP_INSTANCE_TYPE_VRF) ? "VRF" : "VIEW", | |
2900 | name, *as); | |
2901 | } | |
2902 | ||
0088b5dc | 2903 | bgp_lock (bgp); |
ad4cbda1 | 2904 | bgp->inst_type = inst_type; |
5c81a5f3 | 2905 | bgp->vrf_id = (inst_type == BGP_INSTANCE_TYPE_DEFAULT) ? |
2906 | VRF_DEFAULT : VRF_UNKNOWN; | |
6f58544d | 2907 | bgp->peer_self = peer_new (bgp); |
6e919709 DS |
2908 | if (bgp->peer_self->host) |
2909 | XFREE(MTYPE_BGP_PEER_HOST, bgp->peer_self->host); | |
2910 | bgp->peer_self->host = XSTRDUP(MTYPE_BGP_PEER_HOST, "Static announcement"); | |
718e3744 | 2911 | bgp->peer = list_new (); |
2912 | bgp->peer->cmp = (int (*)(void *, void *)) peer_cmp; | |
dd793e4a | 2913 | bgp->peerhash = hash_create (peer_hash_key_make, peer_hash_cmp); |
718e3744 | 2914 | |
2915 | bgp->group = list_new (); | |
2916 | bgp->group->cmp = (int (*)(void *, void *)) peer_group_cmp; | |
2917 | ||
2918 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
2919 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
2920 | { | |
64e580a7 PJ |
2921 | bgp->route[afi][safi] = bgp_table_init (afi, safi); |
2922 | bgp->aggregate[afi][safi] = bgp_table_init (afi, safi); | |
2923 | bgp->rib[afi][safi] = bgp_table_init (afi, safi); | |
219178b6 DW |
2924 | |
2925 | /* Enable maximum-paths */ | |
37fe7731 DS |
2926 | bgp_maximum_paths_set (bgp, afi, safi, BGP_PEER_EBGP, multipath_num, 0); |
2927 | bgp_maximum_paths_set (bgp, afi, safi, BGP_PEER_IBGP, multipath_num, 0); | |
718e3744 | 2928 | } |
2929 | ||
f188f2c4 | 2930 | bgp->v_update_delay = BGP_UPDATE_DELAY_DEF; |
718e3744 | 2931 | bgp->default_local_pref = BGP_DEFAULT_LOCAL_PREF; |
3f9c7369 | 2932 | bgp->default_subgroup_pkt_queue_max = BGP_DEFAULT_SUBGROUP_PKT_QUEUE_MAX; |
718e3744 | 2933 | bgp->default_holdtime = BGP_DEFAULT_HOLDTIME; |
2934 | bgp->default_keepalive = BGP_DEFAULT_KEEPALIVE; | |
538621f2 | 2935 | bgp->restart_time = BGP_DEFAULT_RESTART_TIME; |
2936 | bgp->stalepath_time = BGP_DEFAULT_STALEPATH_TIME; | |
f14e6fdb DS |
2937 | bgp->dynamic_neighbors_limit = BGP_DYNAMIC_NEIGHBORS_LIMIT_DEFAULT; |
2938 | bgp->dynamic_neighbors_count = 0; | |
8efe88ea | 2939 | #if DFLT_BGP_IMPORT_CHECK |
5623e905 | 2940 | bgp_flag_set (bgp, BGP_FLAG_IMPORT_CHECK); |
8efe88ea DL |
2941 | #endif |
2942 | #if DFLT_BGP_SHOW_HOSTNAME | |
15f3b5c0 | 2943 | bgp_flag_set (bgp, BGP_FLAG_SHOW_HOSTNAME); |
8efe88ea DL |
2944 | #endif |
2945 | #if DFLT_BGP_LOG_NEIGHBOR_CHANGES | |
6793fbe0 | 2946 | bgp_flag_set (bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES); |
8efe88ea DL |
2947 | #endif |
2948 | #if DFLT_BGP_DETERMINISTIC_MED | |
1475ac87 | 2949 | bgp_flag_set (bgp, BGP_FLAG_DETERMINISTIC_MED); |
8efe88ea | 2950 | #endif |
adbac85e | 2951 | bgp->addpath_tx_id = BGP_ADDPATH_TX_ID_FOR_DEFAULT_ORIGINATE; |
718e3744 | 2952 | |
2953 | bgp->as = *as; | |
2954 | ||
65efcfce | 2955 | #if ENABLE_BGP_VNC |
14f0a0f9 LB |
2956 | if (inst_type != BGP_INSTANCE_TYPE_VRF) |
2957 | { | |
2958 | bgp->rfapi = bgp_rfapi_new(bgp); | |
2959 | assert(bgp->rfapi); | |
2960 | assert(bgp->rfapi_cfg); | |
2961 | } | |
65efcfce LB |
2962 | #endif /* ENABLE_BGP_VNC */ |
2963 | ||
718e3744 | 2964 | if (name) |
6aeb9e78 DS |
2965 | { |
2966 | bgp->name = XSTRDUP(MTYPE_BGP, name); | |
2967 | } | |
2968 | else | |
2969 | { | |
ad4cbda1 | 2970 | /* TODO - The startup timer needs to be run for the whole of BGP */ |
ffa2c898 QY |
2971 | thread_add_timer(bm->master, bgp_startup_timer_expire, bgp, |
2972 | bgp->restart_time, &bgp->t_startup); | |
6aeb9e78 | 2973 | } |
718e3744 | 2974 | |
cb1faec9 | 2975 | bgp->wpkt_quanta = BGP_WRITE_PACKET_MAX; |
3f9c7369 | 2976 | bgp->coalesce_time = BGP_DEFAULT_SUBGROUP_COALESCE_TIME; |
cb1faec9 | 2977 | |
19df7279 DL |
2978 | QOBJ_REG (bgp, bgp); |
2979 | ||
6aeb9e78 DS |
2980 | update_bgp_group_init(bgp); |
2981 | return bgp; | |
2982 | } | |
2983 | ||
ad4cbda1 | 2984 | /* Return the "default VRF" instance of BGP. */ |
718e3744 | 2985 | struct bgp * |
94f2b392 | 2986 | bgp_get_default (void) |
718e3744 | 2987 | { |
ad4cbda1 | 2988 | struct bgp *bgp; |
2989 | struct listnode *node, *nnode; | |
2990 | ||
2991 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) | |
2992 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
2993 | return bgp; | |
718e3744 | 2994 | return NULL; |
2995 | } | |
2996 | ||
2997 | /* Lookup BGP entry. */ | |
2998 | struct bgp * | |
fd79ac91 | 2999 | bgp_lookup (as_t as, const char *name) |
718e3744 | 3000 | { |
3001 | struct bgp *bgp; | |
1eb8ef25 | 3002 | struct listnode *node, *nnode; |
718e3744 | 3003 | |
1eb8ef25 | 3004 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) |
718e3744 | 3005 | if (bgp->as == as |
3006 | && ((bgp->name == NULL && name == NULL) | |
3007 | || (bgp->name && name && strcmp (bgp->name, name) == 0))) | |
3008 | return bgp; | |
3009 | return NULL; | |
3010 | } | |
3011 | ||
3012 | /* Lookup BGP structure by view name. */ | |
3013 | struct bgp * | |
fd79ac91 | 3014 | bgp_lookup_by_name (const char *name) |
718e3744 | 3015 | { |
3016 | struct bgp *bgp; | |
1eb8ef25 | 3017 | struct listnode *node, *nnode; |
718e3744 | 3018 | |
1eb8ef25 | 3019 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) |
718e3744 | 3020 | if ((bgp->name == NULL && name == NULL) |
3021 | || (bgp->name && name && strcmp (bgp->name, name) == 0)) | |
3022 | return bgp; | |
3023 | return NULL; | |
3024 | } | |
3025 | ||
d1be1f08 | 3026 | /* Lookup BGP instance based on VRF id. */ |
3027 | /* Note: Only to be used for incoming messages from Zebra. */ | |
6aeb9e78 DS |
3028 | struct bgp * |
3029 | bgp_lookup_by_vrf_id (vrf_id_t vrf_id) | |
ad4cbda1 | 3030 | { |
3031 | struct vrf *vrf; | |
3032 | ||
d1be1f08 | 3033 | /* Lookup VRF (in tree) and follow link. */ |
5f3d1bdf | 3034 | vrf = vrf_lookup_by_id (vrf_id); |
ad4cbda1 | 3035 | if (!vrf) |
d1be1f08 | 3036 | return NULL; |
3037 | return (vrf->info) ? (struct bgp *)vrf->info : NULL; | |
ad4cbda1 | 3038 | } |
3039 | ||
718e3744 | 3040 | /* Called from VTY commands. */ |
3041 | int | |
ad4cbda1 | 3042 | bgp_get (struct bgp **bgp_val, as_t *as, const char *name, |
3043 | enum bgp_instance_type inst_type) | |
718e3744 | 3044 | { |
3045 | struct bgp *bgp; | |
3046 | ||
3047 | /* Multiple instance check. */ | |
3048 | if (bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) | |
3049 | { | |
3050 | if (name) | |
3051 | bgp = bgp_lookup_by_name (name); | |
3052 | else | |
3053 | bgp = bgp_get_default (); | |
3054 | ||
3055 | /* Already exists. */ | |
3056 | if (bgp) | |
3057 | { | |
3058 | if (bgp->as != *as) | |
3059 | { | |
3060 | *as = bgp->as; | |
3061 | return BGP_ERR_INSTANCE_MISMATCH; | |
3062 | } | |
ad4cbda1 | 3063 | if (bgp->inst_type != inst_type) |
3064 | return BGP_ERR_INSTANCE_MISMATCH; | |
718e3744 | 3065 | *bgp_val = bgp; |
3066 | return 0; | |
3067 | } | |
3068 | } | |
3069 | else | |
3070 | { | |
3071 | /* BGP instance name can not be specified for single instance. */ | |
3072 | if (name) | |
3073 | return BGP_ERR_MULTIPLE_INSTANCE_NOT_SET; | |
3074 | ||
3075 | /* Get default BGP structure if exists. */ | |
3076 | bgp = bgp_get_default (); | |
3077 | ||
3078 | if (bgp) | |
3079 | { | |
3080 | if (bgp->as != *as) | |
3081 | { | |
3082 | *as = bgp->as; | |
3083 | return BGP_ERR_AS_MISMATCH; | |
3084 | } | |
3085 | *bgp_val = bgp; | |
3086 | return 0; | |
3087 | } | |
3088 | } | |
3089 | ||
ad4cbda1 | 3090 | bgp = bgp_create (as, name, inst_type); |
6aeb9e78 DS |
3091 | bgp_router_id_set(bgp, &bgp->router_id_zebra); |
3092 | bgp_address_init (bgp); | |
3093 | bgp_scan_init (bgp); | |
1758dbaa SA |
3094 | *bgp_val = bgp; |
3095 | ||
0de4848d | 3096 | bgp->t_rmap_def_originate_eval = NULL; |
518f0eb1 | 3097 | |
ad12dde6 | 3098 | /* Create BGP server socket, if first instance. */ |
cccbc015 PJ |
3099 | if (list_isempty(bm->bgp) |
3100 | && !bgp_option_check (BGP_OPT_NO_LISTEN)) | |
ad12dde6 PJ |
3101 | { |
3102 | if (bgp_socket (bm->port, bm->address) < 0) | |
3103 | return BGP_ERR_INVALID_VALUE; | |
3104 | } | |
3105 | ||
718e3744 | 3106 | listnode_add (bm->bgp, bgp); |
718e3744 | 3107 | |
d1be1f08 | 3108 | /* If Default instance or VRF, link to the VRF structure, if present. */ |
3109 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT || | |
3110 | bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
3111 | { | |
3112 | struct vrf *vrf; | |
3113 | ||
3114 | vrf = bgp_vrf_lookup_by_instance_type (bgp); | |
3115 | if (vrf) | |
759927a1 | 3116 | bgp_vrf_link (bgp, vrf); |
d1be1f08 | 3117 | } |
ad4cbda1 | 3118 | |
3119 | /* Register with Zebra, if needed */ | |
3120 | if (IS_BGP_INST_KNOWN_TO_ZEBRA(bgp)) | |
3121 | bgp_zebra_instance_register (bgp); | |
3122 | ||
6aeb9e78 | 3123 | |
718e3744 | 3124 | return 0; |
3125 | } | |
3126 | ||
ad4cbda1 | 3127 | /* |
3128 | * Make BGP instance "up". Applies only to VRFs (non-default) and | |
3129 | * implies the VRF has been learnt from Zebra. | |
3130 | */ | |
6aeb9e78 | 3131 | void |
ad4cbda1 | 3132 | bgp_instance_up (struct bgp *bgp) |
718e3744 | 3133 | { |
3134 | struct peer *peer; | |
ad4cbda1 | 3135 | struct listnode *node, *next; |
718e3744 | 3136 | |
ad4cbda1 | 3137 | /* Register with zebra. */ |
3138 | bgp_zebra_instance_register (bgp); | |
d4a7a753 | 3139 | |
ad4cbda1 | 3140 | /* Kick off any peers that may have been configured. */ |
cd92e548 DS |
3141 | for (ALL_LIST_ELEMENTS (bgp->peer, node, next, peer)) |
3142 | { | |
ad4cbda1 | 3143 | if (!BGP_PEER_START_SUPPRESSED (peer)) |
3144 | BGP_EVENT_ADD (peer, BGP_Start); | |
cd92e548 DS |
3145 | } |
3146 | ||
ad4cbda1 | 3147 | /* Process any networks that have been configured. */ |
3148 | bgp_static_add (bgp); | |
3149 | } | |
718e3744 | 3150 | |
ad4cbda1 | 3151 | /* |
3152 | * Make BGP instance "down". Applies only to VRFs (non-default) and | |
3153 | * implies the VRF has been deleted by Zebra. | |
3154 | */ | |
3155 | void | |
3156 | bgp_instance_down (struct bgp *bgp) | |
3157 | { | |
3158 | struct peer *peer; | |
3159 | struct listnode *node; | |
3160 | struct listnode *next; | |
718e3744 | 3161 | |
ad4cbda1 | 3162 | /* Stop timers. */ |
ad4cbda1 | 3163 | if (bgp->t_rmap_def_originate_eval) |
6aa136f1 | 3164 | { |
ad4cbda1 | 3165 | BGP_TIMER_OFF(bgp->t_rmap_def_originate_eval); |
3166 | bgp_unlock(bgp); /* TODO - This timer is started with a lock - why? */ | |
6aa136f1 | 3167 | } |
228da428 | 3168 | |
ad4cbda1 | 3169 | /* Bring down peers, so corresponding routes are purged. */ |
1ff9a340 DS |
3170 | for (ALL_LIST_ELEMENTS (bgp->peer, node, next, peer)) |
3171 | { | |
3172 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
ad4cbda1 | 3173 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN); |
3174 | else | |
3175 | bgp_session_reset(peer); | |
6aeb9e78 DS |
3176 | } |
3177 | ||
ad4cbda1 | 3178 | /* Purge network and redistributed routes. */ |
3179 | bgp_purge_static_redist_routes (bgp); | |
6aeb9e78 | 3180 | } |
1ff9a340 | 3181 | |
6aeb9e78 DS |
3182 | /* Delete BGP instance. */ |
3183 | int | |
3184 | bgp_delete (struct bgp *bgp) | |
3185 | { | |
3186 | struct peer *peer; | |
3187 | struct peer_group *group; | |
3188 | struct listnode *node, *next; | |
37d361e7 | 3189 | struct vrf *vrf; |
6aeb9e78 DS |
3190 | afi_t afi; |
3191 | int i; | |
3192 | ||
7cb43556 | 3193 | THREAD_OFF (bgp->t_startup); |
3194 | ||
ad4cbda1 | 3195 | if (BGP_DEBUG (zebra, ZEBRA)) |
3196 | { | |
3197 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
3198 | zlog_debug("Deleting Default VRF"); | |
3199 | else | |
3200 | zlog_debug("Deleting %s %s", | |
3201 | (bgp->inst_type == BGP_INSTANCE_TYPE_VRF) ? "VRF" : "VIEW", | |
3202 | bgp->name); | |
3203 | } | |
3204 | ||
3205 | /* Stop timers. */ | |
ad4cbda1 | 3206 | if (bgp->t_rmap_def_originate_eval) |
3207 | { | |
3208 | BGP_TIMER_OFF(bgp->t_rmap_def_originate_eval); | |
3209 | bgp_unlock(bgp); /* TODO - This timer is started with a lock - why? */ | |
3210 | } | |
3211 | ||
3212 | /* Inform peers we're going down. */ | |
3213 | for (ALL_LIST_ELEMENTS (bgp->peer, node, next, peer)) | |
3214 | { | |
3215 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
3216 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN); | |
3217 | } | |
7cb43556 | 3218 | |
ad4cbda1 | 3219 | /* Delete static routes (networks). */ |
6aeb9e78 DS |
3220 | bgp_static_delete (bgp); |
3221 | ||
3222 | /* Unset redistribution. */ | |
3223 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3224 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
3225 | if (i != ZEBRA_ROUTE_BGP) | |
3226 | bgp_redistribute_unset (bgp, afi, i, 0); | |
3227 | ||
ad4cbda1 | 3228 | /* Free peers and peer-groups. */ |
6aeb9e78 | 3229 | for (ALL_LIST_ELEMENTS (bgp->group, node, next, group)) |
ad4cbda1 | 3230 | peer_group_delete (group); |
6aeb9e78 DS |
3231 | |
3232 | for (ALL_LIST_ELEMENTS (bgp->peer, node, next, peer)) | |
ad4cbda1 | 3233 | peer_delete (peer); |
1ff9a340 | 3234 | |
0088b5dc SH |
3235 | if (bgp->peer_self) { |
3236 | peer_delete(bgp->peer_self); | |
3237 | bgp->peer_self = NULL; | |
3238 | } | |
0de4848d | 3239 | |
3d68677e | 3240 | update_bgp_group_free (bgp); |
ad4cbda1 | 3241 | |
3242 | /* TODO - Other memory may need to be freed - e.g., NHT */ | |
3243 | ||
65efcfce LB |
3244 | #if ENABLE_BGP_VNC |
3245 | rfapi_delete(bgp); | |
65efcfce | 3246 | #endif |
0c6262ed | 3247 | bgp_cleanup_routes(bgp); |
65efcfce | 3248 | |
fd35b948 PJ |
3249 | /* Remove visibility via the master list - there may however still be |
3250 | * routes to be processed still referencing the struct bgp. | |
3251 | */ | |
3252 | listnode_delete (bm->bgp, bgp); | |
d023aec4 | 3253 | |
ad4cbda1 | 3254 | /* Deregister from Zebra, if needed */ |
3255 | if (IS_BGP_INST_KNOWN_TO_ZEBRA(bgp)) | |
3256 | bgp_zebra_instance_deregister (bgp); | |
3257 | ||
009b18fc | 3258 | /* Free interfaces in this instance. */ |
3259 | bgp_if_finish (bgp); | |
3260 | ||
37d361e7 RW |
3261 | vrf = bgp_vrf_lookup_by_instance_type (bgp); |
3262 | if (vrf) | |
3263 | bgp_vrf_unlink (bgp, vrf); | |
3264 | ||
87d4a781 | 3265 | thread_master_free_unused(bm->master); |
0088b5dc | 3266 | bgp_unlock(bgp); /* initial reference */ |
6410e93a | 3267 | |
0088b5dc SH |
3268 | return 0; |
3269 | } | |
3270 | ||
3271 | static void bgp_free (struct bgp *); | |
3272 | ||
3273 | void | |
3274 | bgp_lock (struct bgp *bgp) | |
3275 | { | |
3276 | ++bgp->lock; | |
3277 | } | |
3278 | ||
3279 | void | |
3280 | bgp_unlock(struct bgp *bgp) | |
3281 | { | |
228da428 | 3282 | assert(bgp->lock > 0); |
0088b5dc SH |
3283 | if (--bgp->lock == 0) |
3284 | bgp_free (bgp); | |
3285 | } | |
3286 | ||
3287 | static void | |
3288 | bgp_free (struct bgp *bgp) | |
3289 | { | |
3290 | afi_t afi; | |
3291 | safi_t safi; | |
3292 | ||
19df7279 DL |
3293 | QOBJ_UNREG (bgp); |
3294 | ||
0088b5dc SH |
3295 | list_delete (bgp->group); |
3296 | list_delete (bgp->peer); | |
3ffe142a DW |
3297 | |
3298 | if (bgp->peerhash) | |
3299 | { | |
3300 | hash_free(bgp->peerhash); | |
3301 | bgp->peerhash = NULL; | |
3302 | } | |
fee0f4c6 | 3303 | |
718e3744 | 3304 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
3305 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3306 | { | |
3307 | if (bgp->route[afi][safi]) | |
228da428 | 3308 | bgp_table_finish (&bgp->route[afi][safi]); |
718e3744 | 3309 | if (bgp->aggregate[afi][safi]) |
228da428 | 3310 | bgp_table_finish (&bgp->aggregate[afi][safi]) ; |
718e3744 | 3311 | if (bgp->rib[afi][safi]) |
228da428 | 3312 | bgp_table_finish (&bgp->rib[afi][safi]); |
718e3744 | 3313 | } |
d3f5a0d3 | 3314 | |
37d361e7 | 3315 | bgp_scan_finish (bgp); |
5e6d589c DS |
3316 | bgp_address_destroy (bgp); |
3317 | ||
4ac82321 | 3318 | if (bgp->name) |
3319 | XFREE(MTYPE_BGP, bgp->name); | |
3320 | ||
718e3744 | 3321 | XFREE (MTYPE_BGP, bgp); |
718e3744 | 3322 | } |
6b0655a2 | 3323 | |
a80beece DS |
3324 | struct peer * |
3325 | peer_lookup_by_conf_if (struct bgp *bgp, const char *conf_if) | |
3326 | { | |
3327 | struct peer *peer; | |
3328 | struct listnode *node, *nnode; | |
3329 | ||
3330 | if (!conf_if) | |
3331 | return NULL; | |
3332 | ||
3333 | if (bgp != NULL) | |
3334 | { | |
3335 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) | |
3336 | if (peer->conf_if && !strcmp(peer->conf_if, conf_if) | |
3337 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
3338 | return peer; | |
3339 | } | |
3340 | else if (bm->bgp != NULL) | |
3341 | { | |
3342 | struct listnode *bgpnode, *nbgpnode; | |
3343 | ||
3344 | for (ALL_LIST_ELEMENTS (bm->bgp, bgpnode, nbgpnode, bgp)) | |
3345 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) | |
3346 | if (peer->conf_if && !strcmp(peer->conf_if, conf_if) | |
3347 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
3348 | return peer; | |
3349 | } | |
3350 | return NULL; | |
3351 | } | |
3352 | ||
04b6bdc0 DW |
3353 | struct peer * |
3354 | peer_lookup_by_hostname (struct bgp *bgp, const char *hostname) | |
3355 | { | |
3356 | struct peer *peer; | |
3357 | struct listnode *node, *nnode; | |
3358 | ||
3359 | if (!hostname) | |
3360 | return NULL; | |
3361 | ||
3362 | if (bgp != NULL) | |
3363 | { | |
3364 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) | |
3365 | if (peer->hostname && !strcmp(peer->hostname, hostname) | |
3366 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
3367 | return peer; | |
3368 | } | |
3369 | else if (bm->bgp != NULL) | |
3370 | { | |
3371 | struct listnode *bgpnode, *nbgpnode; | |
3372 | ||
3373 | for (ALL_LIST_ELEMENTS (bm->bgp, bgpnode, nbgpnode, bgp)) | |
3374 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) | |
3375 | if (peer->hostname && !strcmp(peer->hostname, hostname) | |
3376 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
3377 | return peer; | |
3378 | } | |
3379 | return NULL; | |
3380 | } | |
3381 | ||
718e3744 | 3382 | struct peer * |
3383 | peer_lookup (struct bgp *bgp, union sockunion *su) | |
3384 | { | |
dd793e4a DW |
3385 | struct peer *peer = NULL; |
3386 | struct peer tmp_peer; | |
3387 | ||
3388 | memset(&tmp_peer, 0, sizeof(struct peer)); | |
3389 | ||
3390 | /* | |
3391 | * We do not want to find the doppelganger peer so search for the peer in | |
3392 | * the hash that has PEER_FLAG_CONFIG_NODE | |
3393 | */ | |
3394 | SET_FLAG (tmp_peer.flags, PEER_FLAG_CONFIG_NODE); | |
3395 | ||
3396 | tmp_peer.su = *su; | |
718e3744 | 3397 | |
fc4dc59d | 3398 | if (bgp != NULL) |
fc4dc59d | 3399 | { |
dd793e4a | 3400 | peer = hash_lookup(bgp->peerhash, &tmp_peer); |
fc4dc59d | 3401 | } |
fc4dc59d | 3402 | else if (bm->bgp != NULL) |
718e3744 | 3403 | { |
2158ad23 PJ |
3404 | struct listnode *bgpnode, *nbgpnode; |
3405 | ||
3406 | for (ALL_LIST_ELEMENTS (bm->bgp, bgpnode, nbgpnode, bgp)) | |
dd793e4a | 3407 | { |
ad4cbda1 | 3408 | /* Skip VRFs, this function will not be invoked without an instance |
3409 | * when examining VRFs. | |
6aeb9e78 | 3410 | */ |
ad4cbda1 | 3411 | if (bgp->inst_type == BGP_INSTANCE_TYPE_VRF) |
6aeb9e78 DS |
3412 | continue; |
3413 | ||
dd793e4a DW |
3414 | peer = hash_lookup(bgp->peerhash, &tmp_peer); |
3415 | ||
3416 | if (peer) | |
3417 | break; | |
3418 | } | |
fc4dc59d | 3419 | } |
dd793e4a DW |
3420 | |
3421 | return peer; | |
718e3744 | 3422 | } |
3423 | ||
f14e6fdb DS |
3424 | struct peer * |
3425 | peer_create_bind_dynamic_neighbor (struct bgp *bgp, union sockunion *su, | |
3426 | struct peer_group *group) | |
3427 | { | |
3428 | struct peer *peer; | |
3429 | afi_t afi; | |
3430 | safi_t safi; | |
f14e6fdb DS |
3431 | |
3432 | /* Create peer first; we've already checked group config is valid. */ | |
f813b13b | 3433 | peer = peer_create (su, NULL, bgp, bgp->as, group->conf->as, group->conf->as_type, 0, 0, group); |
f14e6fdb DS |
3434 | if (!peer) |
3435 | return NULL; | |
3436 | ||
3437 | /* Link to group */ | |
f14e6fdb DS |
3438 | peer = peer_lock (peer); |
3439 | listnode_add (group->peer, peer); | |
3440 | ||
a4ed4829 DW |
3441 | peer_group2peer_config_copy(group, peer); |
3442 | ||
f14e6fdb DS |
3443 | /* |
3444 | * Bind peer for all AFs configured for the group. We don't call | |
3445 | * peer_group_bind as that is sub-optimal and does some stuff we don't want. | |
3446 | */ | |
3447 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3448 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3449 | { | |
3450 | if (!group->conf->afc[afi][safi]) | |
3451 | continue; | |
f14e6fdb | 3452 | peer->afc[afi][safi] = 1; |
c8560b44 DW |
3453 | |
3454 | if (!peer_af_find(peer, afi, safi)) | |
3455 | peer_af_create(peer, afi, safi); | |
3456 | ||
a4ed4829 | 3457 | peer_group2peer_config_copy_af (group, peer, afi, safi); |
f14e6fdb DS |
3458 | } |
3459 | ||
3460 | /* Mark as dynamic, but also as a "config node" for other things to work. */ | |
3461 | SET_FLAG(peer->flags, PEER_FLAG_DYNAMIC_NEIGHBOR); | |
3462 | SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE); | |
3463 | ||
3464 | return peer; | |
3465 | } | |
3466 | ||
3467 | struct prefix * | |
3468 | peer_group_lookup_dynamic_neighbor_range (struct peer_group * group, | |
3469 | struct prefix * prefix) | |
3470 | { | |
3471 | struct listnode *node, *nnode; | |
3472 | struct prefix *range; | |
3473 | afi_t afi; | |
3474 | ||
3475 | afi = family2afi(prefix->family); | |
3476 | ||
3477 | if (group->listen_range[afi]) | |
3478 | for (ALL_LIST_ELEMENTS (group->listen_range[afi], node, nnode, range)) | |
3479 | if (prefix_match(range, prefix)) | |
3480 | return range; | |
3481 | ||
3482 | return NULL; | |
3483 | } | |
3484 | ||
3485 | struct peer_group * | |
3486 | peer_group_lookup_dynamic_neighbor (struct bgp *bgp, struct prefix *prefix, | |
3487 | struct prefix **listen_range) | |
3488 | { | |
3489 | struct prefix *range = NULL; | |
3490 | struct peer_group *group = NULL; | |
3491 | struct listnode *node, *nnode; | |
3492 | ||
3493 | *listen_range = NULL; | |
3494 | if (bgp != NULL) | |
3495 | { | |
3496 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) | |
3497 | if ((range = peer_group_lookup_dynamic_neighbor_range(group, prefix))) | |
3498 | break; | |
3499 | } | |
3500 | else if (bm->bgp != NULL) | |
3501 | { | |
3502 | struct listnode *bgpnode, *nbgpnode; | |
3503 | ||
3504 | for (ALL_LIST_ELEMENTS (bm->bgp, bgpnode, nbgpnode, bgp)) | |
3505 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) | |
3506 | if ((range = peer_group_lookup_dynamic_neighbor_range(group, prefix))) | |
2aab8d2b | 3507 | goto found_range; |
f14e6fdb DS |
3508 | } |
3509 | ||
2aab8d2b | 3510 | found_range: |
f14e6fdb DS |
3511 | *listen_range = range; |
3512 | return (group && range) ? group : NULL; | |
3513 | } | |
3514 | ||
3515 | struct peer * | |
3516 | peer_lookup_dynamic_neighbor (struct bgp *bgp, union sockunion *su) | |
3517 | { | |
3518 | struct peer_group *group; | |
3519 | struct bgp *gbgp; | |
3520 | struct peer *peer; | |
40ee54a7 | 3521 | struct prefix prefix; |
f14e6fdb DS |
3522 | struct prefix *listen_range; |
3523 | int dncount; | |
4690c7d7 DS |
3524 | char buf[PREFIX2STR_BUFFER]; |
3525 | char buf1[PREFIX2STR_BUFFER]; | |
f14e6fdb | 3526 | |
40ee54a7 | 3527 | sockunion2hostprefix(su, &prefix); |
f14e6fdb DS |
3528 | |
3529 | /* See if incoming connection matches a configured listen range. */ | |
40ee54a7 | 3530 | group = peer_group_lookup_dynamic_neighbor (bgp, &prefix, &listen_range); |
f14e6fdb DS |
3531 | |
3532 | if (! group) | |
3533 | return NULL; | |
3534 | ||
0299c004 | 3535 | |
f14e6fdb DS |
3536 | gbgp = group->bgp; |
3537 | ||
3538 | if (! gbgp) | |
3539 | return NULL; | |
3540 | ||
40ee54a7 | 3541 | prefix2str(&prefix, buf, sizeof(buf)); |
f14e6fdb DS |
3542 | prefix2str(listen_range, buf1, sizeof(buf1)); |
3543 | ||
3544 | if (bgp_debug_neighbor_events(NULL)) | |
3545 | zlog_debug ("Dynamic Neighbor %s matches group %s listen range %s", | |
3546 | buf, group->name, buf1); | |
3547 | ||
3548 | /* Are we within the listen limit? */ | |
3549 | dncount = gbgp->dynamic_neighbors_count; | |
3550 | ||
3551 | if (dncount >= gbgp->dynamic_neighbors_limit) | |
3552 | { | |
3553 | if (bgp_debug_neighbor_events(NULL)) | |
3554 | zlog_debug ("Dynamic Neighbor %s rejected - at limit %d", | |
3555 | inet_sutop (su, buf), gbgp->dynamic_neighbors_limit); | |
3556 | return NULL; | |
3557 | } | |
3558 | ||
3559 | /* Ensure group is not disabled. */ | |
3560 | if (CHECK_FLAG (group->conf->flags, PEER_FLAG_SHUTDOWN)) | |
3561 | { | |
3562 | if (bgp_debug_neighbor_events(NULL)) | |
3563 | zlog_debug ("Dynamic Neighbor %s rejected - group %s disabled", | |
3564 | buf, group->name); | |
3565 | return NULL; | |
3566 | } | |
3567 | ||
3568 | /* Check that at least one AF is activated for the group. */ | |
3569 | if (!peer_group_af_configured (group)) | |
3570 | { | |
3571 | if (bgp_debug_neighbor_events(NULL)) | |
3572 | zlog_debug ("Dynamic Neighbor %s rejected - no AF activated for group %s", | |
3573 | buf, group->name); | |
3574 | return NULL; | |
3575 | } | |
3576 | ||
3577 | /* Create dynamic peer and bind to associated group. */ | |
3578 | peer = peer_create_bind_dynamic_neighbor (gbgp, su, group); | |
3579 | assert (peer); | |
3580 | ||
3581 | gbgp->dynamic_neighbors_count = ++dncount; | |
3582 | ||
3583 | if (bgp_debug_neighbor_events(peer)) | |
3584 | zlog_debug ("%s Dynamic Neighbor added, group %s count %d", | |
3585 | peer->host, group->name, dncount); | |
3586 | ||
3587 | return peer; | |
3588 | } | |
3589 | ||
3590 | void peer_drop_dynamic_neighbor (struct peer *peer) | |
3591 | { | |
3592 | int dncount = -1; | |
3593 | if (peer->group && peer->group->bgp) | |
3594 | { | |
3595 | dncount = peer->group->bgp->dynamic_neighbors_count; | |
3596 | if (dncount) | |
3597 | peer->group->bgp->dynamic_neighbors_count = --dncount; | |
3598 | } | |
3599 | if (bgp_debug_neighbor_events(peer)) | |
3600 | zlog_debug ("%s dropped from group %s, count %d", | |
3601 | peer->host, peer->group->name, dncount); | |
3602 | } | |
3603 | ||
3604 | ||
718e3744 | 3605 | /* If peer is configured at least one address family return 1. */ |
3606 | int | |
3607 | peer_active (struct peer *peer) | |
3608 | { | |
a80beece DS |
3609 | if (BGP_PEER_SU_UNSPEC(peer)) |
3610 | return 0; | |
718e3744 | 3611 | if (peer->afc[AFI_IP][SAFI_UNICAST] |
3612 | || peer->afc[AFI_IP][SAFI_MULTICAST] | |
cd1964ff | 3613 | || peer->afc[AFI_IP][SAFI_LABELED_UNICAST] |
718e3744 | 3614 | || peer->afc[AFI_IP][SAFI_MPLS_VPN] |
587ff0fd | 3615 | || peer->afc[AFI_IP][SAFI_ENCAP] |
718e3744 | 3616 | || peer->afc[AFI_IP6][SAFI_UNICAST] |
945c8fe9 | 3617 | || peer->afc[AFI_IP6][SAFI_MULTICAST] |
cd1964ff | 3618 | || peer->afc[AFI_IP6][SAFI_LABELED_UNICAST] |
587ff0fd LB |
3619 | || peer->afc[AFI_IP6][SAFI_MPLS_VPN] |
3620 | || peer->afc[AFI_IP6][SAFI_ENCAP]) | |
718e3744 | 3621 | return 1; |
3622 | return 0; | |
3623 | } | |
3624 | ||
3625 | /* If peer is negotiated at least one address family return 1. */ | |
3626 | int | |
3627 | peer_active_nego (struct peer *peer) | |
3628 | { | |
3629 | if (peer->afc_nego[AFI_IP][SAFI_UNICAST] | |
3630 | || peer->afc_nego[AFI_IP][SAFI_MULTICAST] | |
cd1964ff | 3631 | || peer->afc_nego[AFI_IP][SAFI_LABELED_UNICAST] |
718e3744 | 3632 | || peer->afc_nego[AFI_IP][SAFI_MPLS_VPN] |
587ff0fd | 3633 | || peer->afc_nego[AFI_IP][SAFI_ENCAP] |
718e3744 | 3634 | || peer->afc_nego[AFI_IP6][SAFI_UNICAST] |
945c8fe9 | 3635 | || peer->afc_nego[AFI_IP6][SAFI_MULTICAST] |
cd1964ff | 3636 | || peer->afc_nego[AFI_IP6][SAFI_LABELED_UNICAST] |
587ff0fd LB |
3637 | || peer->afc_nego[AFI_IP6][SAFI_MPLS_VPN] |
3638 | || peer->afc_nego[AFI_IP6][SAFI_ENCAP]) | |
718e3744 | 3639 | return 1; |
3640 | return 0; | |
3641 | } | |
6b0655a2 | 3642 | |
718e3744 | 3643 | /* peer_flag_change_type. */ |
3644 | enum peer_change_type | |
3645 | { | |
3646 | peer_change_none, | |
3647 | peer_change_reset, | |
3648 | peer_change_reset_in, | |
3649 | peer_change_reset_out, | |
3650 | }; | |
3651 | ||
94f2b392 | 3652 | static void |
718e3744 | 3653 | peer_change_action (struct peer *peer, afi_t afi, safi_t safi, |
3654 | enum peer_change_type type) | |
3655 | { | |
3656 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3657 | return; | |
3658 | ||
d9d4ae51 SH |
3659 | if (peer->status != Established) |
3660 | return; | |
3661 | ||
718e3744 | 3662 | if (type == peer_change_reset) |
1ff9a340 DS |
3663 | { |
3664 | /* If we're resetting session, we've to delete both peer struct */ | |
3665 | if ((peer->doppelganger) && (peer->doppelganger->status != Deleted) | |
3666 | && (!CHECK_FLAG(peer->doppelganger->flags, | |
3667 | PEER_FLAG_CONFIG_NODE))) | |
3668 | peer_delete(peer->doppelganger); | |
3669 | ||
3670 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3671 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3672 | } | |
718e3744 | 3673 | else if (type == peer_change_reset_in) |
3674 | { | |
3675 | if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
3676 | || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
3677 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
3678 | else | |
1ff9a340 DS |
3679 | { |
3680 | if ((peer->doppelganger) && (peer->doppelganger->status != Deleted) | |
3681 | && (!CHECK_FLAG(peer->doppelganger->flags, | |
3682 | PEER_FLAG_CONFIG_NODE))) | |
3683 | peer_delete(peer->doppelganger); | |
3684 | ||
3685 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3686 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3687 | } | |
718e3744 | 3688 | } |
3689 | else if (type == peer_change_reset_out) | |
3f9c7369 DS |
3690 | { |
3691 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
3692 | bgp_announce_route (peer, afi, safi); | |
3693 | } | |
718e3744 | 3694 | } |
3695 | ||
3696 | struct peer_flag_action | |
3697 | { | |
3698 | /* Peer's flag. */ | |
3699 | u_int32_t flag; | |
3700 | ||
3701 | /* This flag can be set for peer-group member. */ | |
3702 | u_char not_for_member; | |
3703 | ||
3704 | /* Action when the flag is changed. */ | |
3705 | enum peer_change_type type; | |
e0701b79 | 3706 | |
3707 | /* Peer down cause */ | |
3708 | u_char peer_down; | |
718e3744 | 3709 | }; |
3710 | ||
03621955 | 3711 | static const struct peer_flag_action peer_flag_action_list[] = |
718e3744 | 3712 | { |
3713 | { PEER_FLAG_PASSIVE, 0, peer_change_reset }, | |
3714 | { PEER_FLAG_SHUTDOWN, 0, peer_change_reset }, | |
3715 | { PEER_FLAG_DONT_CAPABILITY, 0, peer_change_none }, | |
3716 | { PEER_FLAG_OVERRIDE_CAPABILITY, 0, peer_change_none }, | |
3717 | { PEER_FLAG_STRICT_CAP_MATCH, 0, peer_change_none }, | |
718e3744 | 3718 | { PEER_FLAG_DYNAMIC_CAPABILITY, 0, peer_change_reset }, |
6ffd2079 | 3719 | { PEER_FLAG_DISABLE_CONNECTED_CHECK, 0, peer_change_reset }, |
8a92a8a0 | 3720 | { PEER_FLAG_CAPABILITY_ENHE, 0, peer_change_reset }, |
718e3744 | 3721 | { 0, 0, 0 } |
3722 | }; | |
3723 | ||
03621955 | 3724 | static const struct peer_flag_action peer_af_flag_action_list[] = |
718e3744 | 3725 | { |
718e3744 | 3726 | { PEER_FLAG_SEND_COMMUNITY, 1, peer_change_reset_out }, |
3727 | { PEER_FLAG_SEND_EXT_COMMUNITY, 1, peer_change_reset_out }, | |
57d187bc | 3728 | { PEER_FLAG_SEND_LARGE_COMMUNITY, 1, peer_change_reset_out }, |
adbac85e | 3729 | { PEER_FLAG_NEXTHOP_SELF, 1, peer_change_reset_out }, |
718e3744 | 3730 | { PEER_FLAG_REFLECTOR_CLIENT, 1, peer_change_reset }, |
3731 | { PEER_FLAG_RSERVER_CLIENT, 1, peer_change_reset }, | |
adbac85e | 3732 | { PEER_FLAG_SOFT_RECONFIG, 0, peer_change_reset_in }, |
718e3744 | 3733 | { PEER_FLAG_AS_PATH_UNCHANGED, 1, peer_change_reset_out }, |
3734 | { PEER_FLAG_NEXTHOP_UNCHANGED, 1, peer_change_reset_out }, | |
3735 | { PEER_FLAG_MED_UNCHANGED, 1, peer_change_reset_out }, | |
adbac85e | 3736 | // PEER_FLAG_DEFAULT_ORIGINATE |
718e3744 | 3737 | { PEER_FLAG_REMOVE_PRIVATE_AS, 1, peer_change_reset_out }, |
3738 | { PEER_FLAG_ALLOWAS_IN, 0, peer_change_reset_in }, | |
aac9ef6c | 3739 | { PEER_FLAG_ALLOWAS_IN_ORIGIN, 0, peer_change_reset_in }, |
718e3744 | 3740 | { PEER_FLAG_ORF_PREFIX_SM, 1, peer_change_reset }, |
3741 | { PEER_FLAG_ORF_PREFIX_RM, 1, peer_change_reset }, | |
adbac85e DW |
3742 | // PEER_FLAG_MAX_PREFIX |
3743 | // PEER_FLAG_MAX_PREFIX_WARNING | |
fee0f4c6 | 3744 | { PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED, 0, peer_change_reset_out }, |
a538debe | 3745 | { PEER_FLAG_FORCE_NEXTHOP_SELF, 1, peer_change_reset_out }, |
adbac85e DW |
3746 | { PEER_FLAG_REMOVE_PRIVATE_AS_ALL, 1, peer_change_reset_out }, |
3747 | { PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE,1, peer_change_reset_out }, | |
c7122e14 | 3748 | { PEER_FLAG_AS_OVERRIDE, 1, peer_change_reset_out }, |
88b8ed8d | 3749 | { PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE,1, peer_change_reset_out }, |
adbac85e | 3750 | { PEER_FLAG_ADDPATH_TX_ALL_PATHS, 1, peer_change_reset }, |
06370dac | 3751 | { PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS, 1, peer_change_reset }, |
d93f7ffc | 3752 | { PEER_FLAG_WEIGHT, 0, peer_change_reset_in }, |
718e3744 | 3753 | { 0, 0, 0 } |
3754 | }; | |
3755 | ||
3756 | /* Proper action set. */ | |
94f2b392 | 3757 | static int |
03621955 | 3758 | peer_flag_action_set (const struct peer_flag_action *action_list, int size, |
718e3744 | 3759 | struct peer_flag_action *action, u_int32_t flag) |
3760 | { | |
3761 | int i; | |
3762 | int found = 0; | |
3763 | int reset_in = 0; | |
3764 | int reset_out = 0; | |
03621955 | 3765 | const struct peer_flag_action *match = NULL; |
718e3744 | 3766 | |
3767 | /* Check peer's frag action. */ | |
3768 | for (i = 0; i < size; i++) | |
3769 | { | |
3770 | match = &action_list[i]; | |
3771 | ||
3772 | if (match->flag == 0) | |
3773 | break; | |
3774 | ||
3775 | if (match->flag & flag) | |
3776 | { | |
3777 | found = 1; | |
3778 | ||
3779 | if (match->type == peer_change_reset_in) | |
3780 | reset_in = 1; | |
3781 | if (match->type == peer_change_reset_out) | |
3782 | reset_out = 1; | |
3783 | if (match->type == peer_change_reset) | |
3784 | { | |
3785 | reset_in = 1; | |
3786 | reset_out = 1; | |
3787 | } | |
3788 | if (match->not_for_member) | |
3789 | action->not_for_member = 1; | |
3790 | } | |
3791 | } | |
3792 | ||
3793 | /* Set peer clear type. */ | |
3794 | if (reset_in && reset_out) | |
3795 | action->type = peer_change_reset; | |
3796 | else if (reset_in) | |
3797 | action->type = peer_change_reset_in; | |
3798 | else if (reset_out) | |
3799 | action->type = peer_change_reset_out; | |
3800 | else | |
3801 | action->type = peer_change_none; | |
3802 | ||
3803 | return found; | |
3804 | } | |
3805 | ||
94f2b392 | 3806 | static void |
718e3744 | 3807 | peer_flag_modify_action (struct peer *peer, u_int32_t flag) |
3808 | { | |
3809 | if (flag == PEER_FLAG_SHUTDOWN) | |
3810 | { | |
3811 | if (CHECK_FLAG (peer->flags, flag)) | |
3812 | { | |
93406d87 | 3813 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT)) |
3814 | peer_nsf_stop (peer); | |
3815 | ||
0a486e5f | 3816 | UNSET_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); |
3817 | if (peer->t_pmax_restart) | |
3818 | { | |
3819 | BGP_TIMER_OFF (peer->t_pmax_restart); | |
16286195 | 3820 | if (bgp_debug_neighbor_events(peer)) |
0a486e5f | 3821 | zlog_debug ("%s Maximum-prefix restart timer canceled", |
3822 | peer->host); | |
3823 | } | |
3824 | ||
1ff9a340 DS |
3825 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT)) |
3826 | peer_nsf_stop (peer); | |
93406d87 | 3827 | |
6aa136f1 | 3828 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
73d70fa6 DL |
3829 | { |
3830 | char *msg = peer->tx_shutdown_message; | |
3831 | size_t msglen; | |
3832 | ||
3833 | if (!msg && peer_group_active (peer)) | |
3834 | msg = peer->group->conf->tx_shutdown_message; | |
3835 | msglen = msg ? strlen(msg) : 0; | |
3836 | if (msglen > 128) | |
3837 | msglen = 128; | |
3838 | ||
0ea0cdb9 DS |
3839 | if (msglen) |
3840 | { | |
3841 | u_char msgbuf[129]; | |
73d70fa6 | 3842 | |
0ea0cdb9 DS |
3843 | msgbuf[0] = msglen; |
3844 | memcpy(msgbuf + 1, msg, msglen); | |
73d70fa6 | 3845 | |
0ea0cdb9 DS |
3846 | bgp_notify_send_with_data (peer, BGP_NOTIFY_CEASE, |
3847 | BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN, | |
3848 | msgbuf, msglen + 1); | |
3849 | } | |
3850 | else | |
3851 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3852 | BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN); | |
73d70fa6 | 3853 | } |
718e3744 | 3854 | else |
1ff9a340 | 3855 | bgp_session_reset(peer); |
718e3744 | 3856 | } |
3857 | else | |
3858 | { | |
3859 | peer->v_start = BGP_INIT_START_TIMER; | |
3860 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3861 | } | |
3862 | } | |
6aa136f1 | 3863 | else if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
718e3744 | 3864 | { |
c9502438 | 3865 | if (flag == PEER_FLAG_DYNAMIC_CAPABILITY) |
3866 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
3867 | else if (flag == PEER_FLAG_PASSIVE) | |
3868 | peer->last_reset = PEER_DOWN_PASSIVE_CHANGE; | |
6ffd2079 | 3869 | else if (flag == PEER_FLAG_DISABLE_CONNECTED_CHECK) |
c9502438 | 3870 | peer->last_reset = PEER_DOWN_MULTIHOP_CHANGE; |
e0701b79 | 3871 | |
c9502438 | 3872 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, |
3873 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
718e3744 | 3874 | } |
3875 | else | |
1ff9a340 | 3876 | bgp_session_reset(peer); |
718e3744 | 3877 | } |
3878 | ||
3879 | /* Change specified peer flag. */ | |
94f2b392 | 3880 | static int |
718e3744 | 3881 | peer_flag_modify (struct peer *peer, u_int32_t flag, int set) |
3882 | { | |
3883 | int found; | |
3884 | int size; | |
3885 | struct peer_group *group; | |
a4ed4829 | 3886 | struct peer *tmp_peer; |
1eb8ef25 | 3887 | struct listnode *node, *nnode; |
718e3744 | 3888 | struct peer_flag_action action; |
3889 | ||
3890 | memset (&action, 0, sizeof (struct peer_flag_action)); | |
3891 | size = sizeof peer_flag_action_list / sizeof (struct peer_flag_action); | |
3892 | ||
3893 | found = peer_flag_action_set (peer_flag_action_list, size, &action, flag); | |
3894 | ||
3895 | /* No flag action is found. */ | |
3896 | if (! found) | |
3897 | return BGP_ERR_INVALID_FLAG; | |
3898 | ||
718e3744 | 3899 | /* When unset the peer-group member's flag we have to check |
3900 | peer-group configuration. */ | |
3901 | if (! set && peer_group_active (peer)) | |
3902 | if (CHECK_FLAG (peer->group->conf->flags, flag)) | |
3903 | { | |
3904 | if (flag == PEER_FLAG_SHUTDOWN) | |
3905 | return BGP_ERR_PEER_GROUP_SHUTDOWN; | |
718e3744 | 3906 | } |
3907 | ||
3908 | /* Flag conflict check. */ | |
3909 | if (set | |
3910 | && CHECK_FLAG (peer->flags | flag, PEER_FLAG_STRICT_CAP_MATCH) | |
3911 | && CHECK_FLAG (peer->flags | flag, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
3912 | return BGP_ERR_PEER_FLAG_CONFLICT; | |
3913 | ||
3914 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3915 | { | |
3916 | if (set && CHECK_FLAG (peer->flags, flag) == flag) | |
3917 | return 0; | |
3918 | if (! set && ! CHECK_FLAG (peer->flags, flag)) | |
3919 | return 0; | |
3920 | } | |
3921 | ||
3922 | if (set) | |
3923 | SET_FLAG (peer->flags, flag); | |
3924 | else | |
3925 | UNSET_FLAG (peer->flags, flag); | |
3926 | ||
3927 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3928 | { | |
3929 | if (action.type == peer_change_reset) | |
3930 | peer_flag_modify_action (peer, flag); | |
3931 | ||
3932 | return 0; | |
3933 | } | |
3934 | ||
3935 | /* peer-group member updates. */ | |
3936 | group = peer->group; | |
3937 | ||
a4ed4829 | 3938 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, tmp_peer)) |
718e3744 | 3939 | { |
a4ed4829 | 3940 | |
1a79ce38 | 3941 | if (set && CHECK_FLAG (tmp_peer->flags, flag) == flag) |
718e3744 | 3942 | continue; |
3943 | ||
1a79ce38 | 3944 | if (! set && ! CHECK_FLAG (tmp_peer->flags, flag)) |
718e3744 | 3945 | continue; |
3946 | ||
3947 | if (set) | |
a4ed4829 | 3948 | SET_FLAG (tmp_peer->flags, flag); |
718e3744 | 3949 | else |
a4ed4829 | 3950 | UNSET_FLAG (tmp_peer->flags, flag); |
718e3744 | 3951 | |
3952 | if (action.type == peer_change_reset) | |
a4ed4829 | 3953 | peer_flag_modify_action (tmp_peer, flag); |
718e3744 | 3954 | } |
3955 | return 0; | |
3956 | } | |
3957 | ||
3958 | int | |
3959 | peer_flag_set (struct peer *peer, u_int32_t flag) | |
3960 | { | |
3961 | return peer_flag_modify (peer, flag, 1); | |
3962 | } | |
3963 | ||
3964 | int | |
3965 | peer_flag_unset (struct peer *peer, u_int32_t flag) | |
3966 | { | |
3967 | return peer_flag_modify (peer, flag, 0); | |
3968 | } | |
3969 | ||
94f2b392 | 3970 | static int |
718e3744 | 3971 | peer_af_flag_modify (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag, |
3972 | int set) | |
3973 | { | |
3974 | int found; | |
3975 | int size; | |
1eb8ef25 | 3976 | struct listnode *node, *nnode; |
718e3744 | 3977 | struct peer_group *group; |
3978 | struct peer_flag_action action; | |
adbac85e DW |
3979 | struct peer *tmp_peer; |
3980 | struct bgp *bgp; | |
3981 | int addpath_tx_used; | |
718e3744 | 3982 | |
3983 | memset (&action, 0, sizeof (struct peer_flag_action)); | |
3984 | size = sizeof peer_af_flag_action_list / sizeof (struct peer_flag_action); | |
3985 | ||
3986 | found = peer_flag_action_set (peer_af_flag_action_list, size, &action, flag); | |
3987 | ||
3988 | /* No flag action is found. */ | |
3989 | if (! found) | |
3990 | return BGP_ERR_INVALID_FLAG; | |
3991 | ||
400b1fad | 3992 | /* Special check for reflector client. */ |
718e3744 | 3993 | if (flag & PEER_FLAG_REFLECTOR_CLIENT |
3994 | && peer_sort (peer) != BGP_PEER_IBGP) | |
3995 | return BGP_ERR_NOT_INTERNAL_PEER; | |
3996 | ||
400b1fad | 3997 | /* Special check for remove-private-AS. */ |
718e3744 | 3998 | if (flag & PEER_FLAG_REMOVE_PRIVATE_AS |
3999 | && peer_sort (peer) == BGP_PEER_IBGP) | |
4000 | return BGP_ERR_REMOVE_PRIVATE_AS; | |
4001 | ||
c7122e14 DS |
4002 | /* as-override is not allowed for IBGP peers */ |
4003 | if (flag & PEER_FLAG_AS_OVERRIDE | |
4004 | && peer_sort (peer) == BGP_PEER_IBGP) | |
4005 | return BGP_ERR_AS_OVERRIDE; | |
4006 | ||
718e3744 | 4007 | /* When current flag configuration is same as requested one. */ |
4008 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4009 | { | |
4010 | if (set && CHECK_FLAG (peer->af_flags[afi][safi], flag) == flag) | |
4011 | return 0; | |
4012 | if (! set && ! CHECK_FLAG (peer->af_flags[afi][safi], flag)) | |
4013 | return 0; | |
4014 | } | |
4015 | ||
4016 | if (set) | |
4017 | SET_FLAG (peer->af_flags[afi][safi], flag); | |
4018 | else | |
4019 | UNSET_FLAG (peer->af_flags[afi][safi], flag); | |
4020 | ||
4021 | /* Execute action when peer is established. */ | |
4022 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
4023 | && peer->status == Established) | |
4024 | { | |
4025 | if (! set && flag == PEER_FLAG_SOFT_RECONFIG) | |
4026 | bgp_clear_adj_in (peer, afi, safi); | |
4027 | else | |
e0701b79 | 4028 | { |
4029 | if (flag == PEER_FLAG_REFLECTOR_CLIENT) | |
4030 | peer->last_reset = PEER_DOWN_RR_CLIENT_CHANGE; | |
4031 | else if (flag == PEER_FLAG_RSERVER_CLIENT) | |
4032 | peer->last_reset = PEER_DOWN_RS_CLIENT_CHANGE; | |
4033 | else if (flag == PEER_FLAG_ORF_PREFIX_SM) | |
4034 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
4035 | else if (flag == PEER_FLAG_ORF_PREFIX_RM) | |
4036 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
4037 | ||
4038 | peer_change_action (peer, afi, safi, action.type); | |
4039 | } | |
4040 | ||
718e3744 | 4041 | } |
4042 | ||
4043 | /* Peer group member updates. */ | |
4044 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4045 | { | |
4046 | group = peer->group; | |
4047 | ||
adbac85e | 4048 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, tmp_peer)) |
718e3744 | 4049 | { |
adbac85e | 4050 | if (set && CHECK_FLAG (tmp_peer->af_flags[afi][safi], flag) == flag) |
718e3744 | 4051 | continue; |
4052 | ||
adbac85e | 4053 | if (! set && ! CHECK_FLAG (tmp_peer->af_flags[afi][safi], flag)) |
718e3744 | 4054 | continue; |
4055 | ||
4056 | if (set) | |
adbac85e | 4057 | SET_FLAG (tmp_peer->af_flags[afi][safi], flag); |
718e3744 | 4058 | else |
adbac85e | 4059 | UNSET_FLAG (tmp_peer->af_flags[afi][safi], flag); |
718e3744 | 4060 | |
adbac85e | 4061 | if (tmp_peer->status == Established) |
718e3744 | 4062 | { |
4063 | if (! set && flag == PEER_FLAG_SOFT_RECONFIG) | |
adbac85e | 4064 | bgp_clear_adj_in (tmp_peer, afi, safi); |
718e3744 | 4065 | else |
e0701b79 | 4066 | { |
4067 | if (flag == PEER_FLAG_REFLECTOR_CLIENT) | |
adbac85e | 4068 | tmp_peer->last_reset = PEER_DOWN_RR_CLIENT_CHANGE; |
e0701b79 | 4069 | else if (flag == PEER_FLAG_RSERVER_CLIENT) |
adbac85e | 4070 | tmp_peer->last_reset = PEER_DOWN_RS_CLIENT_CHANGE; |
e0701b79 | 4071 | else if (flag == PEER_FLAG_ORF_PREFIX_SM) |
adbac85e | 4072 | tmp_peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; |
e0701b79 | 4073 | else if (flag == PEER_FLAG_ORF_PREFIX_RM) |
adbac85e | 4074 | tmp_peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; |
e0701b79 | 4075 | |
adbac85e | 4076 | peer_change_action (tmp_peer, afi, safi, action.type); |
e0701b79 | 4077 | } |
718e3744 | 4078 | } |
4079 | } | |
4080 | } | |
adbac85e DW |
4081 | |
4082 | /* Track if addpath TX is in use */ | |
06370dac | 4083 | if (flag & (PEER_FLAG_ADDPATH_TX_ALL_PATHS|PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS)) |
adbac85e DW |
4084 | { |
4085 | bgp = peer->bgp; | |
4086 | addpath_tx_used = 0; | |
4087 | ||
4088 | if (set) | |
4089 | { | |
4090 | addpath_tx_used = 1; | |
06370dac DW |
4091 | |
4092 | if (flag & PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS) | |
4093 | { | |
4094 | if (!bgp_flag_check (bgp, BGP_FLAG_DETERMINISTIC_MED)) | |
4095 | { | |
4096 | zlog_warn("%s: enabling bgp deterministic-med, this is required"\ | |
4097 | " for addpath-tx-bestpath-per-AS", | |
4098 | peer->host); | |
4099 | bgp_flag_set (bgp, BGP_FLAG_DETERMINISTIC_MED); | |
4100 | bgp_recalculate_all_bestpaths (bgp); | |
4101 | } | |
4102 | } | |
adbac85e DW |
4103 | } |
4104 | else | |
4105 | { | |
4106 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, tmp_peer)) | |
4107 | { | |
06370dac DW |
4108 | if (CHECK_FLAG (tmp_peer->af_flags[afi][safi], PEER_FLAG_ADDPATH_TX_ALL_PATHS) || |
4109 | CHECK_FLAG (tmp_peer->af_flags[afi][safi], PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS)) | |
adbac85e DW |
4110 | { |
4111 | addpath_tx_used = 1; | |
4112 | break; | |
4113 | } | |
4114 | } | |
4115 | } | |
4116 | ||
4117 | bgp->addpath_tx_used[afi][safi] = addpath_tx_used; | |
4118 | } | |
4119 | ||
718e3744 | 4120 | return 0; |
4121 | } | |
4122 | ||
4123 | int | |
4124 | peer_af_flag_set (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
4125 | { | |
4126 | return peer_af_flag_modify (peer, afi, safi, flag, 1); | |
4127 | } | |
4128 | ||
4129 | int | |
4130 | peer_af_flag_unset (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
4131 | { | |
4132 | return peer_af_flag_modify (peer, afi, safi, flag, 0); | |
4133 | } | |
6b0655a2 | 4134 | |
73d70fa6 DL |
4135 | |
4136 | int peer_tx_shutdown_message_set (struct peer *peer, const char *msg) | |
4137 | { | |
4138 | XFREE (MTYPE_PEER_TX_SHUTDOWN_MSG, peer->tx_shutdown_message); | |
4139 | peer->tx_shutdown_message = msg ? XSTRDUP (MTYPE_PEER_TX_SHUTDOWN_MSG, msg) : NULL; | |
4140 | return 0; | |
4141 | } | |
4142 | ||
4143 | int peer_tx_shutdown_message_unset (struct peer *peer) | |
4144 | { | |
4145 | XFREE (MTYPE_PEER_TX_SHUTDOWN_MSG, peer->tx_shutdown_message); | |
4146 | return 0; | |
4147 | } | |
4148 | ||
4149 | ||
718e3744 | 4150 | /* EBGP multihop configuration. */ |
4151 | int | |
4152 | peer_ebgp_multihop_set (struct peer *peer, int ttl) | |
4153 | { | |
4154 | struct peer_group *group; | |
1eb8ef25 | 4155 | struct listnode *node, *nnode; |
fa411a21 | 4156 | struct peer *peer1; |
718e3744 | 4157 | |
a80beece | 4158 | if (peer->sort == BGP_PEER_IBGP || peer->conf_if) |
718e3744 | 4159 | return 0; |
4160 | ||
fa411a21 NH |
4161 | /* see comment in peer_ttl_security_hops_set() */ |
4162 | if (ttl != MAXTTL) | |
4163 | { | |
4164 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4165 | { | |
4166 | group = peer->group; | |
4167 | if (group->conf->gtsm_hops != 0) | |
4168 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4169 | ||
4170 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer1)) | |
4171 | { | |
6d85b15b | 4172 | if (peer1->sort == BGP_PEER_IBGP) |
fa411a21 NH |
4173 | continue; |
4174 | ||
4175 | if (peer1->gtsm_hops != 0) | |
4176 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4177 | } | |
4178 | } | |
4179 | else | |
4180 | { | |
4181 | if (peer->gtsm_hops != 0) | |
4182 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4183 | } | |
4184 | } | |
4185 | ||
718e3744 | 4186 | peer->ttl = ttl; |
4187 | ||
4188 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4189 | { | |
6d85b15b | 4190 | if (peer->fd >= 0 && peer->sort != BGP_PEER_IBGP) |
e5cc509c DS |
4191 | { |
4192 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
4193 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4194 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4195 | else | |
4196 | bgp_session_reset(peer); | |
4197 | } | |
718e3744 | 4198 | } |
4199 | else | |
4200 | { | |
4201 | group = peer->group; | |
1eb8ef25 | 4202 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
eb821189 | 4203 | { |
6d85b15b | 4204 | if (peer->sort == BGP_PEER_IBGP) |
eb821189 | 4205 | continue; |
718e3744 | 4206 | |
eb821189 | 4207 | peer->ttl = group->conf->ttl; |
718e3744 | 4208 | |
e5cc509c DS |
4209 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
4210 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4211 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4212 | else | |
4213 | bgp_session_reset(peer); | |
eb821189 | 4214 | } |
718e3744 | 4215 | } |
4216 | return 0; | |
4217 | } | |
4218 | ||
4219 | int | |
4220 | peer_ebgp_multihop_unset (struct peer *peer) | |
4221 | { | |
4222 | struct peer_group *group; | |
1eb8ef25 | 4223 | struct listnode *node, *nnode; |
718e3744 | 4224 | |
6d85b15b | 4225 | if (peer->sort == BGP_PEER_IBGP) |
718e3744 | 4226 | return 0; |
4227 | ||
fa411a21 NH |
4228 | if (peer->gtsm_hops != 0 && peer->ttl != MAXTTL) |
4229 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4230 | ||
718e3744 | 4231 | if (peer_group_active (peer)) |
4232 | peer->ttl = peer->group->conf->ttl; | |
4233 | else | |
4234 | peer->ttl = 1; | |
4235 | ||
4236 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4237 | { | |
e5cc509c DS |
4238 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
4239 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4240 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4241 | else | |
4242 | bgp_session_reset(peer); | |
718e3744 | 4243 | } |
4244 | else | |
4245 | { | |
4246 | group = peer->group; | |
1eb8ef25 | 4247 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
eb821189 | 4248 | { |
6d85b15b | 4249 | if (peer->sort == BGP_PEER_IBGP) |
eb821189 | 4250 | continue; |
4251 | ||
4252 | peer->ttl = 1; | |
e5cc509c | 4253 | |
eb821189 | 4254 | if (peer->fd >= 0) |
e5cc509c DS |
4255 | { |
4256 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
4257 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4258 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4259 | else | |
4260 | bgp_session_reset(peer); | |
4261 | } | |
eb821189 | 4262 | } |
718e3744 | 4263 | } |
4264 | return 0; | |
4265 | } | |
6b0655a2 | 4266 | |
718e3744 | 4267 | /* Neighbor description. */ |
4268 | int | |
4760600f | 4269 | peer_description_set (struct peer *peer, const char *desc) |
718e3744 | 4270 | { |
4271 | if (peer->desc) | |
4272 | XFREE (MTYPE_PEER_DESC, peer->desc); | |
4273 | ||
4274 | peer->desc = XSTRDUP (MTYPE_PEER_DESC, desc); | |
4275 | ||
4276 | return 0; | |
4277 | } | |
4278 | ||
4279 | int | |
4280 | peer_description_unset (struct peer *peer) | |
4281 | { | |
4282 | if (peer->desc) | |
4283 | XFREE (MTYPE_PEER_DESC, peer->desc); | |
4284 | ||
4285 | peer->desc = NULL; | |
4286 | ||
4287 | return 0; | |
4288 | } | |
6b0655a2 | 4289 | |
718e3744 | 4290 | /* Neighbor update-source. */ |
4291 | int | |
fd79ac91 | 4292 | peer_update_source_if_set (struct peer *peer, const char *ifname) |
718e3744 | 4293 | { |
4294 | struct peer_group *group; | |
1eb8ef25 | 4295 | struct listnode *node, *nnode; |
718e3744 | 4296 | |
4297 | if (peer->update_if) | |
4298 | { | |
4299 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
4300 | && strcmp (peer->update_if, ifname) == 0) | |
4301 | return 0; | |
4302 | ||
4303 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4304 | peer->update_if = NULL; | |
4305 | } | |
4306 | ||
4307 | if (peer->update_source) | |
4308 | { | |
4309 | sockunion_free (peer->update_source); | |
4310 | peer->update_source = NULL; | |
4311 | } | |
4312 | ||
4313 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, ifname); | |
4314 | ||
4315 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4316 | { | |
6aa136f1 | 4317 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4318 | { |
4319 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4320 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4321 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4322 | } | |
718e3744 | 4323 | else |
1ff9a340 | 4324 | bgp_session_reset(peer); |
718e3744 | 4325 | return 0; |
4326 | } | |
4327 | ||
4328 | /* peer-group member updates. */ | |
4329 | group = peer->group; | |
1eb8ef25 | 4330 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4331 | { |
4332 | if (peer->update_if) | |
4333 | { | |
4334 | if (strcmp (peer->update_if, ifname) == 0) | |
4335 | continue; | |
4336 | ||
4337 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4338 | peer->update_if = NULL; | |
4339 | } | |
4340 | ||
4341 | if (peer->update_source) | |
4342 | { | |
4343 | sockunion_free (peer->update_source); | |
4344 | peer->update_source = NULL; | |
4345 | } | |
4346 | ||
4347 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, ifname); | |
4348 | ||
6aa136f1 | 4349 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4350 | { |
4351 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4352 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4353 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4354 | } | |
718e3744 | 4355 | else |
1ff9a340 | 4356 | bgp_session_reset(peer); |
718e3744 | 4357 | } |
4358 | return 0; | |
4359 | } | |
4360 | ||
4361 | int | |
4760600f | 4362 | peer_update_source_addr_set (struct peer *peer, const union sockunion *su) |
718e3744 | 4363 | { |
4364 | struct peer_group *group; | |
1eb8ef25 | 4365 | struct listnode *node, *nnode; |
718e3744 | 4366 | |
4367 | if (peer->update_source) | |
4368 | { | |
4369 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
4370 | && sockunion_cmp (peer->update_source, su) == 0) | |
4371 | return 0; | |
4372 | sockunion_free (peer->update_source); | |
4373 | peer->update_source = NULL; | |
4374 | } | |
4375 | ||
4376 | if (peer->update_if) | |
4377 | { | |
4378 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4379 | peer->update_if = NULL; | |
1ff9a340 | 4380 | |
718e3744 | 4381 | } |
4382 | ||
4383 | peer->update_source = sockunion_dup (su); | |
4384 | ||
4385 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4386 | { | |
6aa136f1 | 4387 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4388 | { |
4389 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4390 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4391 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4392 | } | |
718e3744 | 4393 | else |
1ff9a340 | 4394 | bgp_session_reset(peer); |
718e3744 | 4395 | return 0; |
4396 | } | |
4397 | ||
4398 | /* peer-group member updates. */ | |
4399 | group = peer->group; | |
1eb8ef25 | 4400 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4401 | { |
4402 | if (peer->update_source) | |
4403 | { | |
4404 | if (sockunion_cmp (peer->update_source, su) == 0) | |
4405 | continue; | |
4406 | sockunion_free (peer->update_source); | |
4407 | peer->update_source = NULL; | |
4408 | } | |
4409 | ||
4410 | if (peer->update_if) | |
4411 | { | |
4412 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4413 | peer->update_if = NULL; | |
4414 | } | |
4415 | ||
4416 | peer->update_source = sockunion_dup (su); | |
4417 | ||
6aa136f1 | 4418 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4419 | { |
4420 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4421 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4422 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4423 | } | |
718e3744 | 4424 | else |
1ff9a340 | 4425 | bgp_session_reset(peer); |
718e3744 | 4426 | } |
4427 | return 0; | |
4428 | } | |
4429 | ||
4430 | int | |
4431 | peer_update_source_unset (struct peer *peer) | |
4432 | { | |
4433 | union sockunion *su; | |
4434 | struct peer_group *group; | |
1eb8ef25 | 4435 | struct listnode *node, *nnode; |
718e3744 | 4436 | |
4437 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
4438 | && ! peer->update_source | |
4439 | && ! peer->update_if) | |
4440 | return 0; | |
4441 | ||
4442 | if (peer->update_source) | |
4443 | { | |
4444 | sockunion_free (peer->update_source); | |
4445 | peer->update_source = NULL; | |
4446 | } | |
4447 | if (peer->update_if) | |
4448 | { | |
4449 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4450 | peer->update_if = NULL; | |
4451 | } | |
4452 | ||
4453 | if (peer_group_active (peer)) | |
4454 | { | |
4455 | group = peer->group; | |
4456 | ||
4457 | if (group->conf->update_source) | |
4458 | { | |
4459 | su = sockunion_dup (group->conf->update_source); | |
4460 | peer->update_source = su; | |
4461 | } | |
4462 | else if (group->conf->update_if) | |
4463 | peer->update_if = | |
4464 | XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, group->conf->update_if); | |
4465 | } | |
4466 | ||
4467 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4468 | { | |
6aa136f1 | 4469 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4470 | { |
4471 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4472 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4473 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4474 | } | |
718e3744 | 4475 | else |
1ff9a340 | 4476 | bgp_session_reset(peer); |
718e3744 | 4477 | return 0; |
4478 | } | |
4479 | ||
4480 | /* peer-group member updates. */ | |
4481 | group = peer->group; | |
1eb8ef25 | 4482 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4483 | { |
4484 | if (! peer->update_source && ! peer->update_if) | |
4485 | continue; | |
4486 | ||
4487 | if (peer->update_source) | |
4488 | { | |
4489 | sockunion_free (peer->update_source); | |
4490 | peer->update_source = NULL; | |
4491 | } | |
4492 | ||
4493 | if (peer->update_if) | |
4494 | { | |
4495 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4496 | peer->update_if = NULL; | |
4497 | } | |
4498 | ||
6aa136f1 | 4499 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4500 | { |
4501 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4502 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4503 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4504 | } | |
718e3744 | 4505 | else |
1ff9a340 | 4506 | bgp_session_reset(peer); |
718e3744 | 4507 | } |
4508 | return 0; | |
4509 | } | |
6b0655a2 | 4510 | |
718e3744 | 4511 | int |
4512 | peer_default_originate_set (struct peer *peer, afi_t afi, safi_t safi, | |
fd79ac91 | 4513 | const char *rmap) |
718e3744 | 4514 | { |
4515 | struct peer_group *group; | |
1eb8ef25 | 4516 | struct listnode *node, *nnode; |
718e3744 | 4517 | |
718e3744 | 4518 | if (! CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE) |
4519 | || (rmap && ! peer->default_rmap[afi][safi].name) | |
4520 | || (rmap && strcmp (rmap, peer->default_rmap[afi][safi].name) != 0)) | |
4521 | { | |
4522 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
4523 | ||
4524 | if (rmap) | |
4525 | { | |
4526 | if (peer->default_rmap[afi][safi].name) | |
6e919709 DS |
4527 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); |
4528 | peer->default_rmap[afi][safi].name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
718e3744 | 4529 | peer->default_rmap[afi][safi].map = route_map_lookup_by_name (rmap); |
4530 | } | |
4531 | } | |
4532 | ||
4533 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4534 | { | |
3f9c7369 DS |
4535 | if (peer->status == Established && peer->afc_nego[afi][safi]) { |
4536 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
718e3744 | 4537 | bgp_default_originate (peer, afi, safi, 0); |
3f9c7369 DS |
4538 | bgp_announce_route (peer, afi, safi); |
4539 | } | |
718e3744 | 4540 | return 0; |
4541 | } | |
4542 | ||
4543 | /* peer-group member updates. */ | |
4544 | group = peer->group; | |
1eb8ef25 | 4545 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4546 | { |
4547 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
4548 | ||
4549 | if (rmap) | |
4550 | { | |
4551 | if (peer->default_rmap[afi][safi].name) | |
6e919709 DS |
4552 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); |
4553 | peer->default_rmap[afi][safi].name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
718e3744 | 4554 | peer->default_rmap[afi][safi].map = route_map_lookup_by_name (rmap); |
4555 | } | |
4556 | ||
3f9c7369 DS |
4557 | if (peer->status == Established && peer->afc_nego[afi][safi]) { |
4558 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
718e3744 | 4559 | bgp_default_originate (peer, afi, safi, 0); |
3f9c7369 DS |
4560 | bgp_announce_route (peer, afi, safi); |
4561 | } | |
718e3744 | 4562 | } |
4563 | return 0; | |
4564 | } | |
4565 | ||
4566 | int | |
4567 | peer_default_originate_unset (struct peer *peer, afi_t afi, safi_t safi) | |
4568 | { | |
4569 | struct peer_group *group; | |
1eb8ef25 | 4570 | struct listnode *node, *nnode; |
718e3744 | 4571 | |
718e3744 | 4572 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE)) |
4573 | { | |
4574 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
4575 | ||
4576 | if (peer->default_rmap[afi][safi].name) | |
6e919709 | 4577 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); |
718e3744 | 4578 | peer->default_rmap[afi][safi].name = NULL; |
4579 | peer->default_rmap[afi][safi].map = NULL; | |
4580 | } | |
4581 | ||
4582 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4583 | { | |
3f9c7369 DS |
4584 | if (peer->status == Established && peer->afc_nego[afi][safi]) { |
4585 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
718e3744 | 4586 | bgp_default_originate (peer, afi, safi, 1); |
3f9c7369 DS |
4587 | bgp_announce_route (peer, afi, safi); |
4588 | } | |
718e3744 | 4589 | return 0; |
4590 | } | |
4591 | ||
4592 | /* peer-group member updates. */ | |
4593 | group = peer->group; | |
1eb8ef25 | 4594 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4595 | { |
4596 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
4597 | ||
4598 | if (peer->default_rmap[afi][safi].name) | |
6e919709 | 4599 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); |
718e3744 | 4600 | peer->default_rmap[afi][safi].name = NULL; |
4601 | peer->default_rmap[afi][safi].map = NULL; | |
4602 | ||
3f9c7369 DS |
4603 | if (peer->status == Established && peer->afc_nego[afi][safi]) { |
4604 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
718e3744 | 4605 | bgp_default_originate (peer, afi, safi, 1); |
3f9c7369 DS |
4606 | bgp_announce_route (peer, afi, safi); |
4607 | } | |
718e3744 | 4608 | } |
4609 | return 0; | |
4610 | } | |
6b0655a2 | 4611 | |
718e3744 | 4612 | int |
4613 | peer_port_set (struct peer *peer, u_int16_t port) | |
4614 | { | |
4615 | peer->port = port; | |
4616 | return 0; | |
4617 | } | |
4618 | ||
4619 | int | |
4620 | peer_port_unset (struct peer *peer) | |
4621 | { | |
4622 | peer->port = BGP_PORT_DEFAULT; | |
4623 | return 0; | |
4624 | } | |
6b0655a2 | 4625 | |
d93f7ffc DW |
4626 | /* |
4627 | * Helper function that is called after the name of the policy | |
4628 | * being used by a peer has changed (AF specific). Automatically | |
4629 | * initiates inbound or outbound processing as needed. | |
4630 | */ | |
4631 | static void | |
4632 | peer_on_policy_change (struct peer *peer, afi_t afi, safi_t safi, int outbound) | |
4633 | { | |
4634 | if (outbound) | |
4635 | { | |
4636 | update_group_adjust_peer (peer_af_find (peer, afi, safi)); | |
4637 | if (peer->status == Established) | |
4638 | bgp_announce_route(peer, afi, safi); | |
4639 | } | |
4640 | else | |
4641 | { | |
4642 | if (peer->status != Established) | |
4643 | return; | |
4644 | ||
4645 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG)) | |
4646 | bgp_soft_reconfig_in (peer, afi, safi); | |
4647 | else if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
4648 | || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
4649 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
4650 | } | |
4651 | } | |
4652 | ||
4653 | ||
718e3744 | 4654 | /* neighbor weight. */ |
1f9a9fff | 4655 | int |
d93f7ffc | 4656 | peer_weight_set (struct peer *peer, afi_t afi, safi_t safi, u_int16_t weight) |
718e3744 | 4657 | { |
4658 | struct peer_group *group; | |
1eb8ef25 | 4659 | struct listnode *node, *nnode; |
718e3744 | 4660 | |
d93f7ffc DW |
4661 | if (peer->weight[afi][safi] != weight) |
4662 | { | |
4663 | peer->weight[afi][safi] = weight; | |
4664 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_WEIGHT); | |
4665 | peer_on_policy_change (peer, afi, safi, 0); | |
4666 | } | |
718e3744 | 4667 | |
4668 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1f9a9fff | 4669 | return 0; |
718e3744 | 4670 | |
4671 | /* peer-group member updates. */ | |
4672 | group = peer->group; | |
1eb8ef25 | 4673 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4674 | { |
d93f7ffc DW |
4675 | if (peer->weight[afi][safi] != weight) |
4676 | { | |
4677 | peer->weight[afi][safi] = weight; | |
4678 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_WEIGHT); | |
4679 | peer_on_policy_change (peer, afi, safi, 0); | |
e52702f2 | 4680 | } |
718e3744 | 4681 | } |
d93f7ffc | 4682 | return 0; |
718e3744 | 4683 | } |
4684 | ||
1f9a9fff | 4685 | int |
d93f7ffc | 4686 | peer_weight_unset (struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 4687 | { |
4688 | struct peer_group *group; | |
1eb8ef25 | 4689 | struct listnode *node, *nnode; |
718e3744 | 4690 | |
d93f7ffc | 4691 | /* not the peer-group itself but a peer in a peer-group */ |
718e3744 | 4692 | if (peer_group_active (peer)) |
d93f7ffc DW |
4693 | { |
4694 | group = peer->group; | |
718e3744 | 4695 | |
d93f7ffc DW |
4696 | /* inherit weight from the peer-group */ |
4697 | if (CHECK_FLAG (group->conf->af_flags[afi][safi], PEER_FLAG_WEIGHT)) | |
4698 | { | |
4699 | peer->weight[afi][safi] = group->conf->weight[afi][safi]; | |
4700 | peer_af_flag_set (peer, afi, safi, PEER_FLAG_WEIGHT); | |
4701 | peer_on_policy_change (peer, afi, safi, 0); | |
4702 | } | |
4703 | else | |
4704 | { | |
4705 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_WEIGHT)) | |
4706 | { | |
4707 | peer->weight[afi][safi] = 0; | |
4708 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_WEIGHT); | |
4709 | peer_on_policy_change (peer, afi, safi, 0); | |
4710 | } | |
4711 | } | |
4712 | } | |
718e3744 | 4713 | |
d93f7ffc | 4714 | else |
718e3744 | 4715 | { |
d93f7ffc DW |
4716 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_WEIGHT)) |
4717 | { | |
4718 | peer->weight[afi][safi] = 0; | |
4719 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_WEIGHT); | |
4720 | peer_on_policy_change (peer, afi, safi, 0); | |
4721 | } | |
4722 | ||
718e3744 | 4723 | /* peer-group member updates. */ |
4724 | group = peer->group; | |
d93f7ffc DW |
4725 | |
4726 | if (group) | |
4727 | { | |
1eb8ef25 | 4728 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4729 | { |
d93f7ffc DW |
4730 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_WEIGHT)) |
4731 | { | |
4732 | peer->weight[afi][safi] = 0; | |
4733 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_WEIGHT); | |
4734 | peer_on_policy_change (peer, afi, safi, 0); | |
4735 | } | |
4736 | } | |
e52702f2 | 4737 | } |
718e3744 | 4738 | } |
d93f7ffc | 4739 | return 0; |
718e3744 | 4740 | } |
6b0655a2 | 4741 | |
718e3744 | 4742 | int |
4743 | peer_timers_set (struct peer *peer, u_int32_t keepalive, u_int32_t holdtime) | |
4744 | { | |
4745 | struct peer_group *group; | |
1eb8ef25 | 4746 | struct listnode *node, *nnode; |
718e3744 | 4747 | |
718e3744 | 4748 | /* keepalive value check. */ |
4749 | if (keepalive > 65535) | |
4750 | return BGP_ERR_INVALID_VALUE; | |
4751 | ||
4752 | /* Holdtime value check. */ | |
4753 | if (holdtime > 65535) | |
4754 | return BGP_ERR_INVALID_VALUE; | |
4755 | ||
4756 | /* Holdtime value must be either 0 or greater than 3. */ | |
4757 | if (holdtime < 3 && holdtime != 0) | |
4758 | return BGP_ERR_INVALID_VALUE; | |
4759 | ||
4760 | /* Set value to the configuration. */ | |
4761 | SET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
4762 | peer->holdtime = holdtime; | |
4763 | peer->keepalive = (keepalive < holdtime / 3 ? keepalive : holdtime / 3); | |
4764 | ||
4765 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4766 | return 0; | |
4767 | ||
4768 | /* peer-group member updates. */ | |
4769 | group = peer->group; | |
1eb8ef25 | 4770 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4771 | { |
4772 | SET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
4773 | peer->holdtime = group->conf->holdtime; | |
4774 | peer->keepalive = group->conf->keepalive; | |
4775 | } | |
4776 | return 0; | |
4777 | } | |
4778 | ||
4779 | int | |
4780 | peer_timers_unset (struct peer *peer) | |
4781 | { | |
4782 | struct peer_group *group; | |
1eb8ef25 | 4783 | struct listnode *node, *nnode; |
718e3744 | 4784 | |
718e3744 | 4785 | /* Clear configuration. */ |
4786 | UNSET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
4787 | peer->keepalive = 0; | |
4788 | peer->holdtime = 0; | |
4789 | ||
4790 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4791 | return 0; | |
4792 | ||
4793 | /* peer-group member updates. */ | |
4794 | group = peer->group; | |
1eb8ef25 | 4795 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4796 | { |
4797 | UNSET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
4798 | peer->holdtime = 0; | |
4799 | peer->keepalive = 0; | |
4800 | } | |
4801 | ||
4802 | return 0; | |
4803 | } | |
6b0655a2 | 4804 | |
718e3744 | 4805 | int |
4806 | peer_timers_connect_set (struct peer *peer, u_int32_t connect) | |
4807 | { | |
966f821c DS |
4808 | struct peer_group *group; |
4809 | struct listnode *node, *nnode; | |
4810 | ||
718e3744 | 4811 | if (connect > 65535) |
4812 | return BGP_ERR_INVALID_VALUE; | |
4813 | ||
4814 | /* Set value to the configuration. */ | |
4815 | SET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
4816 | peer->connect = connect; | |
4817 | ||
4818 | /* Set value to timer setting. */ | |
4819 | peer->v_connect = connect; | |
4820 | ||
966f821c DS |
4821 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
4822 | return 0; | |
4823 | ||
4824 | /* peer-group member updates. */ | |
4825 | group = peer->group; | |
4826 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
4827 | { | |
4828 | SET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
4829 | peer->connect = connect; | |
4830 | peer->v_connect = connect; | |
4831 | } | |
718e3744 | 4832 | return 0; |
4833 | } | |
4834 | ||
4835 | int | |
4836 | peer_timers_connect_unset (struct peer *peer) | |
4837 | { | |
966f821c DS |
4838 | struct peer_group *group; |
4839 | struct listnode *node, *nnode; | |
4840 | ||
718e3744 | 4841 | /* Clear configuration. */ |
4842 | UNSET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
4843 | peer->connect = 0; | |
4844 | ||
4845 | /* Set timer setting to default value. */ | |
4846 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
4847 | ||
966f821c DS |
4848 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
4849 | return 0; | |
4850 | ||
4851 | /* peer-group member updates. */ | |
4852 | group = peer->group; | |
4853 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
4854 | { | |
4855 | UNSET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
4856 | peer->connect = 0; | |
4857 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
4858 | } | |
718e3744 | 4859 | return 0; |
4860 | } | |
6b0655a2 | 4861 | |
718e3744 | 4862 | int |
4863 | peer_advertise_interval_set (struct peer *peer, u_int32_t routeadv) | |
4864 | { | |
966f821c DS |
4865 | struct peer_group *group; |
4866 | struct listnode *node, *nnode; | |
4867 | ||
718e3744 | 4868 | if (routeadv > 600) |
4869 | return BGP_ERR_INVALID_VALUE; | |
4870 | ||
4871 | SET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); | |
4872 | peer->routeadv = routeadv; | |
4873 | peer->v_routeadv = routeadv; | |
4874 | ||
3f9c7369 DS |
4875 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) { |
4876 | update_group_adjust_peer_afs (peer); | |
4877 | if (peer->status == Established) | |
4878 | bgp_announce_route_all (peer); | |
966f821c | 4879 | return 0; |
3f9c7369 | 4880 | } |
966f821c DS |
4881 | |
4882 | /* peer-group member updates. */ | |
4883 | group = peer->group; | |
4884 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
4885 | { | |
4886 | SET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); | |
4887 | peer->routeadv = routeadv; | |
4888 | peer->v_routeadv = routeadv; | |
3f9c7369 DS |
4889 | update_group_adjust_peer_afs (peer); |
4890 | if (peer->status == Established) | |
4891 | bgp_announce_route_all (peer); | |
966f821c DS |
4892 | } |
4893 | ||
718e3744 | 4894 | return 0; |
4895 | } | |
4896 | ||
4897 | int | |
4898 | peer_advertise_interval_unset (struct peer *peer) | |
4899 | { | |
966f821c DS |
4900 | struct peer_group *group; |
4901 | struct listnode *node, *nnode; | |
4902 | ||
718e3744 | 4903 | UNSET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); |
4904 | peer->routeadv = 0; | |
4905 | ||
6d85b15b | 4906 | if (peer->sort == BGP_PEER_IBGP) |
718e3744 | 4907 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; |
4908 | else | |
4909 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
966f821c | 4910 | |
3f9c7369 DS |
4911 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) { |
4912 | update_group_adjust_peer_afs (peer); | |
4913 | if (peer->status == Established) | |
4914 | bgp_announce_route_all (peer); | |
966f821c | 4915 | return 0; |
3f9c7369 | 4916 | } |
966f821c DS |
4917 | |
4918 | /* peer-group member updates. */ | |
4919 | group = peer->group; | |
4920 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
4921 | { | |
4922 | UNSET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); | |
4923 | peer->routeadv = 0; | |
4924 | ||
4925 | if (peer->sort == BGP_PEER_IBGP) | |
4926 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
4927 | else | |
4928 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
3f9c7369 DS |
4929 | |
4930 | update_group_adjust_peer_afs (peer); | |
4931 | if (peer->status == Established) | |
4932 | bgp_announce_route_all (peer); | |
966f821c | 4933 | } |
718e3744 | 4934 | |
4935 | return 0; | |
4936 | } | |
6b0655a2 | 4937 | |
718e3744 | 4938 | /* neighbor interface */ |
ffd0c037 | 4939 | void |
fd79ac91 | 4940 | peer_interface_set (struct peer *peer, const char *str) |
718e3744 | 4941 | { |
4942 | if (peer->ifname) | |
6e919709 DS |
4943 | XFREE(MTYPE_BGP_PEER_IFNAME, peer->ifname); |
4944 | peer->ifname = XSTRDUP(MTYPE_BGP_PEER_IFNAME, str); | |
718e3744 | 4945 | } |
4946 | ||
ffd0c037 | 4947 | void |
718e3744 | 4948 | peer_interface_unset (struct peer *peer) |
4949 | { | |
4950 | if (peer->ifname) | |
6e919709 | 4951 | XFREE(MTYPE_BGP_PEER_IFNAME, peer->ifname); |
718e3744 | 4952 | peer->ifname = NULL; |
718e3744 | 4953 | } |
6b0655a2 | 4954 | |
718e3744 | 4955 | /* Allow-as in. */ |
4956 | int | |
aac9ef6c DW |
4957 | peer_allowas_in_set (struct peer *peer, afi_t afi, safi_t safi, int allow_num, |
4958 | int origin) | |
718e3744 | 4959 | { |
4960 | struct peer_group *group; | |
1eb8ef25 | 4961 | struct listnode *node, *nnode; |
718e3744 | 4962 | |
aac9ef6c | 4963 | if (origin) |
718e3744 | 4964 | { |
aac9ef6c DW |
4965 | if (peer->allowas_in[afi][safi] || |
4966 | CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN) || | |
4967 | !CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
4968 | { | |
4969 | peer->allowas_in[afi][safi] = 0; | |
4970 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
4971 | peer_af_flag_set (peer, afi, safi, PEER_FLAG_ALLOWAS_IN_ORIGIN); | |
4972 | peer_on_policy_change (peer, afi, safi, 0); | |
4973 | } | |
718e3744 | 4974 | |
aac9ef6c DW |
4975 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
4976 | return 0; | |
718e3744 | 4977 | |
aac9ef6c DW |
4978 | group = peer->group; |
4979 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
4980 | { | |
4981 | if (peer->allowas_in[afi][safi] || | |
4982 | CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN) || | |
4983 | !CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
4984 | { | |
4985 | peer->allowas_in[afi][safi] = 0; | |
4986 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
4987 | peer_af_flag_set (peer, afi, safi, PEER_FLAG_ALLOWAS_IN_ORIGIN); | |
4988 | peer_on_policy_change (peer, afi, safi, 0); | |
4989 | } | |
4990 | } | |
4991 | } | |
4992 | else | |
718e3744 | 4993 | { |
aac9ef6c DW |
4994 | if (allow_num < 1 || allow_num > 10) |
4995 | return BGP_ERR_INVALID_VALUE; | |
4996 | ||
4997 | if (peer->allowas_in[afi][safi] != allow_num || | |
4998 | CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
4999 | { | |
5000 | peer->allowas_in[afi][safi] = allow_num; | |
5001 | peer_af_flag_set (peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
5002 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN_ORIGIN); | |
d93f7ffc | 5003 | peer_on_policy_change (peer, afi, safi, 0); |
aac9ef6c DW |
5004 | } |
5005 | ||
5006 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
5007 | return 0; | |
5008 | ||
5009 | group = peer->group; | |
5010 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
5011 | { | |
5012 | if (peer->allowas_in[afi][safi] != allow_num || | |
5013 | CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
5014 | { | |
5015 | peer->allowas_in[afi][safi] = allow_num; | |
5016 | peer_af_flag_set (peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
5017 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN_ORIGIN); | |
5018 | peer_on_policy_change (peer, afi, safi, 0); | |
5019 | } | |
5020 | } | |
718e3744 | 5021 | } |
aac9ef6c | 5022 | |
718e3744 | 5023 | return 0; |
5024 | } | |
5025 | ||
5026 | int | |
5027 | peer_allowas_in_unset (struct peer *peer, afi_t afi, safi_t safi) | |
5028 | { | |
5029 | struct peer_group *group; | |
9c41e88c | 5030 | struct peer *tmp_peer; |
1eb8ef25 | 5031 | struct listnode *node, *nnode; |
718e3744 | 5032 | |
9c41e88c DW |
5033 | /* If this is a peer-group we must first clear the flags for all of the |
5034 | * peer-group members | |
5035 | */ | |
5036 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
5037 | { | |
5038 | group = peer->group; | |
5039 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, tmp_peer)) | |
5040 | { | |
5041 | if (CHECK_FLAG (tmp_peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN) || | |
5042 | CHECK_FLAG (tmp_peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
5043 | { | |
5044 | tmp_peer->allowas_in[afi][safi] = 0; | |
5045 | peer_af_flag_unset (tmp_peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
5046 | peer_af_flag_unset (tmp_peer, afi, safi, PEER_FLAG_ALLOWAS_IN_ORIGIN); | |
5047 | peer_on_policy_change (tmp_peer, afi, safi, 0); | |
5048 | } | |
5049 | } | |
5050 | } | |
5051 | ||
aac9ef6c DW |
5052 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN) || |
5053 | CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
718e3744 | 5054 | { |
5055 | peer->allowas_in[afi][safi] = 0; | |
5056 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
aac9ef6c | 5057 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN_ORIGIN); |
d93f7ffc | 5058 | peer_on_policy_change (peer, afi, safi, 0); |
718e3744 | 5059 | } |
5060 | ||
718e3744 | 5061 | return 0; |
5062 | } | |
6b0655a2 | 5063 | |
718e3744 | 5064 | int |
9d3f9705 | 5065 | peer_local_as_set (struct peer *peer, as_t as, int no_prepend, int replace_as) |
718e3744 | 5066 | { |
5067 | struct bgp *bgp = peer->bgp; | |
5068 | struct peer_group *group; | |
1eb8ef25 | 5069 | struct listnode *node, *nnode; |
718e3744 | 5070 | |
5071 | if (peer_sort (peer) != BGP_PEER_EBGP | |
5072 | && peer_sort (peer) != BGP_PEER_INTERNAL) | |
5073 | return BGP_ERR_LOCAL_AS_ALLOWED_ONLY_FOR_EBGP; | |
5074 | ||
5075 | if (bgp->as == as) | |
5076 | return BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS; | |
5077 | ||
9d3f9705 AC |
5078 | if (peer->as == as) |
5079 | return BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS_REMOTE_AS; | |
5080 | ||
718e3744 | 5081 | if (peer->change_local_as == as && |
5082 | ((CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) && no_prepend) | |
9d3f9705 AC |
5083 | || (! CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) && ! no_prepend)) && |
5084 | ((CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) && replace_as) | |
5085 | || (! CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) && ! replace_as))) | |
718e3744 | 5086 | return 0; |
5087 | ||
5088 | peer->change_local_as = as; | |
5089 | if (no_prepend) | |
5090 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
5091 | else | |
5092 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
5093 | ||
9d3f9705 AC |
5094 | if (replace_as) |
5095 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
5096 | else | |
5097 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
5098 | ||
718e3744 | 5099 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
5100 | { | |
6aa136f1 | 5101 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 5102 | { |
5103 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
5104 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
5105 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
5106 | } | |
718e3744 | 5107 | else |
1ff9a340 | 5108 | bgp_session_reset(peer); |
718e3744 | 5109 | return 0; |
5110 | } | |
5111 | ||
5112 | group = peer->group; | |
1eb8ef25 | 5113 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5114 | { |
5115 | peer->change_local_as = as; | |
5116 | if (no_prepend) | |
5117 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
5118 | else | |
5119 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
5120 | ||
9d3f9705 AC |
5121 | if (replace_as) |
5122 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
5123 | else | |
5124 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
5125 | ||
6aa136f1 | 5126 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 5127 | { |
5128 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
5129 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
5130 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
5131 | } | |
718e3744 | 5132 | else |
5133 | BGP_EVENT_ADD (peer, BGP_Stop); | |
5134 | } | |
5135 | ||
5136 | return 0; | |
5137 | } | |
5138 | ||
5139 | int | |
5140 | peer_local_as_unset (struct peer *peer) | |
5141 | { | |
5142 | struct peer_group *group; | |
1eb8ef25 | 5143 | struct listnode *node, *nnode; |
718e3744 | 5144 | |
718e3744 | 5145 | if (! peer->change_local_as) |
5146 | return 0; | |
5147 | ||
5148 | peer->change_local_as = 0; | |
5149 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
9d3f9705 | 5150 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); |
718e3744 | 5151 | |
5152 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
5153 | { | |
6aa136f1 | 5154 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 5155 | { |
5156 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
5157 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
5158 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
5159 | } | |
718e3744 | 5160 | else |
5161 | BGP_EVENT_ADD (peer, BGP_Stop); | |
5162 | ||
5163 | return 0; | |
5164 | } | |
5165 | ||
5166 | group = peer->group; | |
1eb8ef25 | 5167 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5168 | { |
5169 | peer->change_local_as = 0; | |
5170 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
9d3f9705 | 5171 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); |
718e3744 | 5172 | |
6aa136f1 | 5173 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 5174 | { |
5175 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
5176 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
5177 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
5178 | } | |
718e3744 | 5179 | else |
1ff9a340 | 5180 | bgp_session_reset(peer); |
718e3744 | 5181 | } |
5182 | return 0; | |
5183 | } | |
6b0655a2 | 5184 | |
0df7c91f PJ |
5185 | /* Set password for authenticating with the peer. */ |
5186 | int | |
5187 | peer_password_set (struct peer *peer, const char *password) | |
5188 | { | |
5189 | struct listnode *nn, *nnode; | |
5190 | int len = password ? strlen(password) : 0; | |
5191 | int ret = BGP_SUCCESS; | |
5192 | ||
5193 | if ((len < PEER_PASSWORD_MINLEN) || (len > PEER_PASSWORD_MAXLEN)) | |
5194 | return BGP_ERR_INVALID_VALUE; | |
5195 | ||
5196 | if (peer->password && strcmp (peer->password, password) == 0 | |
5197 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
5198 | return 0; | |
5199 | ||
5200 | if (peer->password) | |
5201 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
5202 | ||
5203 | peer->password = XSTRDUP (MTYPE_PEER_PASSWORD, password); | |
5204 | ||
5205 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
5206 | { | |
6aa136f1 VS |
5207 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
5208 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
0df7c91f | 5209 | else |
1ff9a340 | 5210 | bgp_session_reset(peer); |
0df7c91f | 5211 | |
89ca90fa | 5212 | if (BGP_PEER_SU_UNSPEC(peer)) |
5213 | return BGP_SUCCESS; | |
5214 | ||
0df7c91f PJ |
5215 | return (bgp_md5_set (peer) >= 0) ? BGP_SUCCESS : BGP_ERR_TCPSIG_FAILED; |
5216 | } | |
5217 | ||
5218 | for (ALL_LIST_ELEMENTS (peer->group->peer, nn, nnode, peer)) | |
5219 | { | |
5220 | if (peer->password && strcmp (peer->password, password) == 0) | |
5221 | continue; | |
5222 | ||
5223 | if (peer->password) | |
5224 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
5225 | ||
5226 | peer->password = XSTRDUP(MTYPE_PEER_PASSWORD, password); | |
5227 | ||
6aa136f1 | 5228 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
0df7c91f PJ |
5229 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); |
5230 | else | |
1ff9a340 | 5231 | bgp_session_reset(peer); |
0df7c91f | 5232 | |
89ca90fa | 5233 | if (! BGP_PEER_SU_UNSPEC(peer)) |
5234 | { | |
5235 | if (bgp_md5_set (peer) < 0) | |
5236 | ret = BGP_ERR_TCPSIG_FAILED; | |
5237 | } | |
0df7c91f PJ |
5238 | } |
5239 | ||
5240 | return ret; | |
5241 | } | |
5242 | ||
5243 | int | |
5244 | peer_password_unset (struct peer *peer) | |
5245 | { | |
5246 | struct listnode *nn, *nnode; | |
5247 | ||
5248 | if (!peer->password | |
5249 | && !CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
5250 | return 0; | |
5251 | ||
5252 | if (!CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
5253 | { | |
6aa136f1 | 5254 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
0df7c91f PJ |
5255 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); |
5256 | else | |
1ff9a340 | 5257 | bgp_session_reset(peer); |
0df7c91f PJ |
5258 | |
5259 | if (peer->password) | |
5260 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
5261 | ||
5262 | peer->password = NULL; | |
5263 | ||
89ca90fa | 5264 | if (! BGP_PEER_SU_UNSPEC(peer)) |
5265 | bgp_md5_unset (peer); | |
0df7c91f PJ |
5266 | |
5267 | return 0; | |
5268 | } | |
5269 | ||
5270 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
5271 | peer->password = NULL; | |
5272 | ||
5273 | for (ALL_LIST_ELEMENTS (peer->group->peer, nn, nnode, peer)) | |
5274 | { | |
5275 | if (!peer->password) | |
5276 | continue; | |
5277 | ||
6aa136f1 | 5278 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
0df7c91f PJ |
5279 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); |
5280 | else | |
1ff9a340 | 5281 | bgp_session_reset(peer); |
0df7c91f PJ |
5282 | |
5283 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
5284 | peer->password = NULL; | |
5285 | ||
89ca90fa | 5286 | if (! BGP_PEER_SU_UNSPEC(peer)) |
5287 | bgp_md5_unset (peer); | |
0df7c91f PJ |
5288 | } |
5289 | ||
5290 | return 0; | |
5291 | } | |
6b0655a2 | 5292 | |
3f9c7369 | 5293 | |
718e3744 | 5294 | /* Set distribute list to the peer. */ |
5295 | int | |
5296 | peer_distribute_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 5297 | const char *name) |
718e3744 | 5298 | { |
5299 | struct bgp_filter *filter; | |
5300 | struct peer_group *group; | |
1eb8ef25 | 5301 | struct listnode *node, *nnode; |
718e3744 | 5302 | |
718e3744 | 5303 | if (direct != FILTER_IN && direct != FILTER_OUT) |
5304 | return BGP_ERR_INVALID_VALUE; | |
5305 | ||
718e3744 | 5306 | filter = &peer->filter[afi][safi]; |
5307 | ||
5308 | if (filter->plist[direct].name) | |
5309 | return BGP_ERR_PEER_FILTER_CONFLICT; | |
5310 | ||
5311 | if (filter->dlist[direct].name) | |
6e919709 DS |
5312 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); |
5313 | filter->dlist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5314 | filter->dlist[direct].alist = access_list_lookup (afi, name); |
5315 | ||
5316 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5317 | { |
94f34286 DS |
5318 | peer_on_policy_change(peer, afi, safi, |
5319 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5320 | return 0; |
5321 | } | |
718e3744 | 5322 | |
5323 | group = peer->group; | |
1eb8ef25 | 5324 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5325 | { |
5326 | filter = &peer->filter[afi][safi]; | |
5327 | ||
718e3744 | 5328 | if (filter->dlist[direct].name) |
6e919709 DS |
5329 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); |
5330 | filter->dlist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5331 | filter->dlist[direct].alist = access_list_lookup (afi, name); |
94f34286 DS |
5332 | peer_on_policy_change(peer, afi, safi, |
5333 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5334 | } |
5335 | ||
5336 | return 0; | |
5337 | } | |
5338 | ||
5339 | int | |
5340 | peer_distribute_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
5341 | { | |
5342 | struct bgp_filter *filter; | |
5343 | struct bgp_filter *gfilter; | |
5344 | struct peer_group *group; | |
1eb8ef25 | 5345 | struct listnode *node, *nnode; |
718e3744 | 5346 | |
718e3744 | 5347 | if (direct != FILTER_IN && direct != FILTER_OUT) |
5348 | return BGP_ERR_INVALID_VALUE; | |
5349 | ||
718e3744 | 5350 | filter = &peer->filter[afi][safi]; |
5351 | ||
5352 | /* apply peer-group filter */ | |
c8560b44 | 5353 | if (peer_group_active(peer)) |
718e3744 | 5354 | { |
5355 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5356 | ||
5357 | if (gfilter->dlist[direct].name) | |
5358 | { | |
5359 | if (filter->dlist[direct].name) | |
6e919709 DS |
5360 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); |
5361 | filter->dlist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->dlist[direct].name); | |
718e3744 | 5362 | filter->dlist[direct].alist = gfilter->dlist[direct].alist; |
94f34286 DS |
5363 | peer_on_policy_change(peer, afi, safi, |
5364 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5365 | return 0; |
5366 | } | |
5367 | } | |
5368 | ||
5369 | if (filter->dlist[direct].name) | |
6e919709 | 5370 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); |
718e3744 | 5371 | filter->dlist[direct].name = NULL; |
5372 | filter->dlist[direct].alist = NULL; | |
5373 | ||
5374 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5375 | { |
94f34286 DS |
5376 | peer_on_policy_change(peer, afi, safi, |
5377 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5378 | return 0; |
5379 | } | |
718e3744 | 5380 | |
94f34286 DS |
5381 | group = peer->group; |
5382 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
5383 | { | |
5384 | filter = &peer->filter[afi][safi]; | |
718e3744 | 5385 | |
94f34286 | 5386 | if (filter->dlist[direct].name) |
6e919709 | 5387 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); |
94f34286 DS |
5388 | filter->dlist[direct].name = NULL; |
5389 | filter->dlist[direct].alist = NULL; | |
5390 | peer_on_policy_change(peer, afi, safi, | |
5391 | (direct == FILTER_OUT) ? 1 : 0); | |
5392 | } | |
718e3744 | 5393 | |
5394 | return 0; | |
5395 | } | |
5396 | ||
5397 | /* Update distribute list. */ | |
94f2b392 | 5398 | static void |
718e3744 | 5399 | peer_distribute_update (struct access_list *access) |
5400 | { | |
5401 | afi_t afi; | |
5402 | safi_t safi; | |
5403 | int direct; | |
1eb8ef25 | 5404 | struct listnode *mnode, *mnnode; |
5405 | struct listnode *node, *nnode; | |
718e3744 | 5406 | struct bgp *bgp; |
5407 | struct peer *peer; | |
5408 | struct peer_group *group; | |
5409 | struct bgp_filter *filter; | |
5410 | ||
1eb8ef25 | 5411 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 5412 | { |
3f9c7369 DS |
5413 | if (access->name) |
5414 | update_group_policy_update(bgp, BGP_POLICY_FILTER_LIST, access->name, | |
5415 | 0, 0); | |
1eb8ef25 | 5416 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 5417 | { |
5418 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5419 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5420 | { | |
5421 | filter = &peer->filter[afi][safi]; | |
5422 | ||
5423 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5424 | { | |
5425 | if (filter->dlist[direct].name) | |
5426 | filter->dlist[direct].alist = | |
5427 | access_list_lookup (afi, filter->dlist[direct].name); | |
5428 | else | |
5429 | filter->dlist[direct].alist = NULL; | |
5430 | } | |
5431 | } | |
5432 | } | |
1eb8ef25 | 5433 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 5434 | { |
5435 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5436 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5437 | { | |
5438 | filter = &group->conf->filter[afi][safi]; | |
5439 | ||
5440 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5441 | { | |
5442 | if (filter->dlist[direct].name) | |
5443 | filter->dlist[direct].alist = | |
5444 | access_list_lookup (afi, filter->dlist[direct].name); | |
5445 | else | |
5446 | filter->dlist[direct].alist = NULL; | |
5447 | } | |
5448 | } | |
5449 | } | |
65efcfce LB |
5450 | #if ENABLE_BGP_VNC |
5451 | vnc_prefix_list_update(bgp); | |
5452 | #endif | |
718e3744 | 5453 | } |
5454 | } | |
6b0655a2 | 5455 | |
718e3744 | 5456 | /* Set prefix list to the peer. */ |
5457 | int | |
5458 | peer_prefix_list_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 5459 | const char *name) |
718e3744 | 5460 | { |
5461 | struct bgp_filter *filter; | |
5462 | struct peer_group *group; | |
1eb8ef25 | 5463 | struct listnode *node, *nnode; |
718e3744 | 5464 | |
718e3744 | 5465 | if (direct != FILTER_IN && direct != FILTER_OUT) |
5466 | return BGP_ERR_INVALID_VALUE; | |
5467 | ||
718e3744 | 5468 | filter = &peer->filter[afi][safi]; |
5469 | ||
5470 | if (filter->dlist[direct].name) | |
5471 | return BGP_ERR_PEER_FILTER_CONFLICT; | |
5472 | ||
5473 | if (filter->plist[direct].name) | |
6e919709 DS |
5474 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); |
5475 | filter->plist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5476 | filter->plist[direct].plist = prefix_list_lookup (afi, name); |
5477 | ||
5478 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5479 | { |
94f34286 DS |
5480 | peer_on_policy_change(peer, afi, safi, |
5481 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5482 | return 0; |
5483 | } | |
718e3744 | 5484 | |
5485 | group = peer->group; | |
1eb8ef25 | 5486 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5487 | { |
5488 | filter = &peer->filter[afi][safi]; | |
5489 | ||
718e3744 | 5490 | if (filter->plist[direct].name) |
6e919709 DS |
5491 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); |
5492 | filter->plist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5493 | filter->plist[direct].plist = prefix_list_lookup (afi, name); |
94f34286 DS |
5494 | peer_on_policy_change(peer, afi, safi, |
5495 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5496 | } |
5497 | return 0; | |
5498 | } | |
5499 | ||
5500 | int | |
5501 | peer_prefix_list_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
5502 | { | |
5503 | struct bgp_filter *filter; | |
5504 | struct bgp_filter *gfilter; | |
5505 | struct peer_group *group; | |
1eb8ef25 | 5506 | struct listnode *node, *nnode; |
718e3744 | 5507 | |
718e3744 | 5508 | if (direct != FILTER_IN && direct != FILTER_OUT) |
5509 | return BGP_ERR_INVALID_VALUE; | |
5510 | ||
718e3744 | 5511 | filter = &peer->filter[afi][safi]; |
5512 | ||
5513 | /* apply peer-group filter */ | |
c8560b44 | 5514 | if (peer_group_active(peer)) |
718e3744 | 5515 | { |
5516 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5517 | ||
5518 | if (gfilter->plist[direct].name) | |
5519 | { | |
5520 | if (filter->plist[direct].name) | |
daf9ddbb | 5521 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); |
6e919709 | 5522 | filter->plist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->plist[direct].name); |
718e3744 | 5523 | filter->plist[direct].plist = gfilter->plist[direct].plist; |
94f34286 DS |
5524 | peer_on_policy_change(peer, afi, safi, |
5525 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5526 | return 0; |
5527 | } | |
5528 | } | |
5529 | ||
5530 | if (filter->plist[direct].name) | |
6e919709 | 5531 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); |
718e3744 | 5532 | filter->plist[direct].name = NULL; |
5533 | filter->plist[direct].plist = NULL; | |
5534 | ||
5535 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5536 | { |
94f34286 DS |
5537 | peer_on_policy_change(peer, afi, safi, |
5538 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5539 | return 0; |
5540 | } | |
718e3744 | 5541 | |
5542 | group = peer->group; | |
1eb8ef25 | 5543 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5544 | { |
5545 | filter = &peer->filter[afi][safi]; | |
5546 | ||
718e3744 | 5547 | if (filter->plist[direct].name) |
6e919709 | 5548 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); |
718e3744 | 5549 | filter->plist[direct].name = NULL; |
5550 | filter->plist[direct].plist = NULL; | |
94f34286 DS |
5551 | peer_on_policy_change(peer, afi, safi, |
5552 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5553 | } |
5554 | ||
5555 | return 0; | |
5556 | } | |
5557 | ||
5558 | /* Update prefix-list list. */ | |
94f2b392 | 5559 | static void |
718e3744 | 5560 | peer_prefix_list_update (struct prefix_list *plist) |
5561 | { | |
1eb8ef25 | 5562 | struct listnode *mnode, *mnnode; |
5563 | struct listnode *node, *nnode; | |
718e3744 | 5564 | struct bgp *bgp; |
5565 | struct peer *peer; | |
5566 | struct peer_group *group; | |
5567 | struct bgp_filter *filter; | |
5568 | afi_t afi; | |
5569 | safi_t safi; | |
5570 | int direct; | |
5571 | ||
1eb8ef25 | 5572 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 5573 | { |
3f9c7369 DS |
5574 | |
5575 | /* | |
5576 | * Update the prefix-list on update groups. | |
5577 | */ | |
5578 | update_group_policy_update(bgp, BGP_POLICY_PREFIX_LIST, | |
a38401b6 | 5579 | plist ? prefix_list_name(plist) : NULL, 0, 0); |
3f9c7369 | 5580 | |
1eb8ef25 | 5581 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 5582 | { |
5583 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5584 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5585 | { | |
5586 | filter = &peer->filter[afi][safi]; | |
5587 | ||
5588 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5589 | { | |
5590 | if (filter->plist[direct].name) | |
5591 | filter->plist[direct].plist = | |
5592 | prefix_list_lookup (afi, filter->plist[direct].name); | |
5593 | else | |
5594 | filter->plist[direct].plist = NULL; | |
5595 | } | |
5596 | } | |
5597 | } | |
1eb8ef25 | 5598 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 5599 | { |
5600 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5601 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5602 | { | |
5603 | filter = &group->conf->filter[afi][safi]; | |
5604 | ||
5605 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5606 | { | |
5607 | if (filter->plist[direct].name) | |
5608 | filter->plist[direct].plist = | |
5609 | prefix_list_lookup (afi, filter->plist[direct].name); | |
5610 | else | |
5611 | filter->plist[direct].plist = NULL; | |
5612 | } | |
5613 | } | |
5614 | } | |
5615 | } | |
5616 | } | |
6b0655a2 | 5617 | |
718e3744 | 5618 | int |
5619 | peer_aslist_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 5620 | const char *name) |
718e3744 | 5621 | { |
5622 | struct bgp_filter *filter; | |
5623 | struct peer_group *group; | |
1eb8ef25 | 5624 | struct listnode *node, *nnode; |
718e3744 | 5625 | |
718e3744 | 5626 | if (direct != FILTER_IN && direct != FILTER_OUT) |
5627 | return BGP_ERR_INVALID_VALUE; | |
5628 | ||
718e3744 | 5629 | filter = &peer->filter[afi][safi]; |
5630 | ||
5631 | if (filter->aslist[direct].name) | |
6e919709 DS |
5632 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); |
5633 | filter->aslist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5634 | filter->aslist[direct].aslist = as_list_lookup (name); |
5635 | ||
5636 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5637 | { |
94f34286 DS |
5638 | peer_on_policy_change(peer, afi, safi, |
5639 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5640 | return 0; |
5641 | } | |
718e3744 | 5642 | |
5643 | group = peer->group; | |
1eb8ef25 | 5644 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5645 | { |
5646 | filter = &peer->filter[afi][safi]; | |
5647 | ||
718e3744 | 5648 | if (filter->aslist[direct].name) |
6e919709 DS |
5649 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); |
5650 | filter->aslist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5651 | filter->aslist[direct].aslist = as_list_lookup (name); |
94f34286 DS |
5652 | peer_on_policy_change(peer, afi, safi, |
5653 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5654 | } |
5655 | return 0; | |
5656 | } | |
5657 | ||
5658 | int | |
5659 | peer_aslist_unset (struct peer *peer,afi_t afi, safi_t safi, int direct) | |
5660 | { | |
5661 | struct bgp_filter *filter; | |
5662 | struct bgp_filter *gfilter; | |
5663 | struct peer_group *group; | |
1eb8ef25 | 5664 | struct listnode *node, *nnode; |
718e3744 | 5665 | |
b5f29603 | 5666 | if (direct != FILTER_IN && direct != FILTER_OUT) |
718e3744 | 5667 | return BGP_ERR_INVALID_VALUE; |
5668 | ||
718e3744 | 5669 | filter = &peer->filter[afi][safi]; |
5670 | ||
5671 | /* apply peer-group filter */ | |
c8560b44 | 5672 | if (peer_group_active(peer)) |
718e3744 | 5673 | { |
5674 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5675 | ||
5676 | if (gfilter->aslist[direct].name) | |
5677 | { | |
5678 | if (filter->aslist[direct].name) | |
6e919709 DS |
5679 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); |
5680 | filter->aslist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->aslist[direct].name); | |
718e3744 | 5681 | filter->aslist[direct].aslist = gfilter->aslist[direct].aslist; |
94f34286 DS |
5682 | peer_on_policy_change(peer, afi, safi, |
5683 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5684 | return 0; |
5685 | } | |
5686 | } | |
5687 | ||
5688 | if (filter->aslist[direct].name) | |
6e919709 | 5689 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); |
718e3744 | 5690 | filter->aslist[direct].name = NULL; |
5691 | filter->aslist[direct].aslist = NULL; | |
5692 | ||
5693 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5694 | { |
94f34286 DS |
5695 | peer_on_policy_change(peer, afi, safi, |
5696 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5697 | return 0; |
5698 | } | |
718e3744 | 5699 | |
5700 | group = peer->group; | |
1eb8ef25 | 5701 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5702 | { |
5703 | filter = &peer->filter[afi][safi]; | |
5704 | ||
718e3744 | 5705 | if (filter->aslist[direct].name) |
6e919709 | 5706 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); |
718e3744 | 5707 | filter->aslist[direct].name = NULL; |
5708 | filter->aslist[direct].aslist = NULL; | |
94f34286 DS |
5709 | peer_on_policy_change(peer, afi, safi, |
5710 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5711 | } |
5712 | ||
5713 | return 0; | |
5714 | } | |
5715 | ||
94f2b392 | 5716 | static void |
ffd0c037 | 5717 | peer_aslist_update (const char *aslist_name) |
718e3744 | 5718 | { |
5719 | afi_t afi; | |
5720 | safi_t safi; | |
5721 | int direct; | |
1eb8ef25 | 5722 | struct listnode *mnode, *mnnode; |
5723 | struct listnode *node, *nnode; | |
718e3744 | 5724 | struct bgp *bgp; |
5725 | struct peer *peer; | |
5726 | struct peer_group *group; | |
5727 | struct bgp_filter *filter; | |
5728 | ||
1eb8ef25 | 5729 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 5730 | { |
3f9c7369 DS |
5731 | update_group_policy_update(bgp, BGP_POLICY_FILTER_LIST, aslist_name, |
5732 | 0, 0); | |
5733 | ||
1eb8ef25 | 5734 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 5735 | { |
5736 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5737 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5738 | { | |
5739 | filter = &peer->filter[afi][safi]; | |
5740 | ||
5741 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5742 | { | |
5743 | if (filter->aslist[direct].name) | |
5744 | filter->aslist[direct].aslist = | |
5745 | as_list_lookup (filter->aslist[direct].name); | |
5746 | else | |
5747 | filter->aslist[direct].aslist = NULL; | |
5748 | } | |
5749 | } | |
5750 | } | |
1eb8ef25 | 5751 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 5752 | { |
5753 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5754 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5755 | { | |
5756 | filter = &group->conf->filter[afi][safi]; | |
5757 | ||
5758 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5759 | { | |
5760 | if (filter->aslist[direct].name) | |
5761 | filter->aslist[direct].aslist = | |
5762 | as_list_lookup (filter->aslist[direct].name); | |
5763 | else | |
5764 | filter->aslist[direct].aslist = NULL; | |
5765 | } | |
5766 | } | |
5767 | } | |
5768 | } | |
5769 | } | |
3f9c7369 | 5770 | |
518f0eb1 DS |
5771 | static void |
5772 | peer_aslist_add (char *aslist_name) | |
5773 | { | |
5774 | peer_aslist_update (aslist_name); | |
5775 | route_map_notify_dependencies((char *)aslist_name, RMAP_EVENT_ASLIST_ADDED); | |
5776 | } | |
5777 | ||
5778 | static void | |
ffd0c037 | 5779 | peer_aslist_del (const char *aslist_name) |
518f0eb1 DS |
5780 | { |
5781 | peer_aslist_update (aslist_name); | |
ffd0c037 | 5782 | route_map_notify_dependencies(aslist_name, RMAP_EVENT_ASLIST_DELETED); |
518f0eb1 DS |
5783 | } |
5784 | ||
6b0655a2 | 5785 | |
718e3744 | 5786 | int |
5787 | peer_route_map_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 5788 | const char *name) |
718e3744 | 5789 | { |
5790 | struct bgp_filter *filter; | |
5791 | struct peer_group *group; | |
1eb8ef25 | 5792 | struct listnode *node, *nnode; |
718e3744 | 5793 | |
2a3d5731 | 5794 | if (direct != RMAP_IN && direct != RMAP_OUT) |
718e3744 | 5795 | return BGP_ERR_INVALID_VALUE; |
5796 | ||
718e3744 | 5797 | filter = &peer->filter[afi][safi]; |
5798 | ||
5799 | if (filter->map[direct].name) | |
6e919709 | 5800 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); |
518f0eb1 | 5801 | |
6e919709 | 5802 | filter->map[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); |
718e3744 | 5803 | filter->map[direct].map = route_map_lookup_by_name (name); |
5804 | ||
5805 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
518f0eb1 | 5806 | { |
94f34286 DS |
5807 | peer_on_policy_change(peer, afi, safi, |
5808 | (direct == RMAP_OUT) ? 1 : 0); | |
518f0eb1 DS |
5809 | return 0; |
5810 | } | |
718e3744 | 5811 | |
5812 | group = peer->group; | |
1eb8ef25 | 5813 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5814 | { |
5815 | filter = &peer->filter[afi][safi]; | |
5816 | ||
718e3744 | 5817 | if (filter->map[direct].name) |
6e919709 DS |
5818 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); |
5819 | filter->map[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5820 | filter->map[direct].map = route_map_lookup_by_name (name); |
94f34286 DS |
5821 | peer_on_policy_change(peer, afi, safi, |
5822 | (direct == RMAP_OUT) ? 1 : 0); | |
718e3744 | 5823 | } |
5824 | return 0; | |
5825 | } | |
5826 | ||
5827 | /* Unset route-map from the peer. */ | |
5828 | int | |
5829 | peer_route_map_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
5830 | { | |
5831 | struct bgp_filter *filter; | |
5832 | struct bgp_filter *gfilter; | |
5833 | struct peer_group *group; | |
1eb8ef25 | 5834 | struct listnode *node, *nnode; |
718e3744 | 5835 | |
2a3d5731 | 5836 | if (direct != RMAP_IN && direct != RMAP_OUT) |
718e3744 | 5837 | return BGP_ERR_INVALID_VALUE; |
5838 | ||
718e3744 | 5839 | filter = &peer->filter[afi][safi]; |
5840 | ||
5841 | /* apply peer-group filter */ | |
c8560b44 | 5842 | if (peer_group_active(peer)) |
718e3744 | 5843 | { |
5844 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5845 | ||
5846 | if (gfilter->map[direct].name) | |
5847 | { | |
5848 | if (filter->map[direct].name) | |
6e919709 DS |
5849 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); |
5850 | filter->map[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->map[direct].name); | |
718e3744 | 5851 | filter->map[direct].map = gfilter->map[direct].map; |
94f34286 DS |
5852 | peer_on_policy_change(peer, afi, safi, |
5853 | (direct == RMAP_OUT) ? 1 : 0); | |
718e3744 | 5854 | return 0; |
5855 | } | |
5856 | } | |
5857 | ||
5858 | if (filter->map[direct].name) | |
6e919709 | 5859 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); |
718e3744 | 5860 | filter->map[direct].name = NULL; |
5861 | filter->map[direct].map = NULL; | |
5862 | ||
5863 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
518f0eb1 | 5864 | { |
94f34286 DS |
5865 | peer_on_policy_change(peer, afi, safi, |
5866 | (direct == RMAP_OUT) ? 1 : 0); | |
518f0eb1 DS |
5867 | return 0; |
5868 | } | |
718e3744 | 5869 | |
5870 | group = peer->group; | |
1eb8ef25 | 5871 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5872 | { |
5873 | filter = &peer->filter[afi][safi]; | |
5874 | ||
718e3744 | 5875 | if (filter->map[direct].name) |
6e919709 | 5876 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); |
718e3744 | 5877 | filter->map[direct].name = NULL; |
5878 | filter->map[direct].map = NULL; | |
94f34286 DS |
5879 | peer_on_policy_change(peer, afi, safi, |
5880 | (direct == RMAP_OUT) ? 1 : 0); | |
718e3744 | 5881 | } |
5882 | return 0; | |
5883 | } | |
6b0655a2 | 5884 | |
718e3744 | 5885 | /* Set unsuppress-map to the peer. */ |
5886 | int | |
fd79ac91 | 5887 | peer_unsuppress_map_set (struct peer *peer, afi_t afi, safi_t safi, |
5888 | const char *name) | |
718e3744 | 5889 | { |
5890 | struct bgp_filter *filter; | |
5891 | struct peer_group *group; | |
1eb8ef25 | 5892 | struct listnode *node, *nnode; |
718e3744 | 5893 | |
718e3744 | 5894 | filter = &peer->filter[afi][safi]; |
5895 | ||
5896 | if (filter->usmap.name) | |
6e919709 | 5897 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); |
718e3744 | 5898 | |
6e919709 | 5899 | filter->usmap.name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); |
718e3744 | 5900 | filter->usmap.map = route_map_lookup_by_name (name); |
5901 | ||
5902 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
518f0eb1 | 5903 | { |
94f34286 | 5904 | peer_on_policy_change(peer, afi, safi, 1); |
518f0eb1 DS |
5905 | return 0; |
5906 | } | |
718e3744 | 5907 | |
5908 | group = peer->group; | |
1eb8ef25 | 5909 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5910 | { |
5911 | filter = &peer->filter[afi][safi]; | |
5912 | ||
718e3744 | 5913 | if (filter->usmap.name) |
6e919709 DS |
5914 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); |
5915 | filter->usmap.name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5916 | filter->usmap.map = route_map_lookup_by_name (name); |
94f34286 | 5917 | peer_on_policy_change(peer, afi, safi, 1); |
718e3744 | 5918 | } |
5919 | return 0; | |
5920 | } | |
5921 | ||
5922 | /* Unset route-map from the peer. */ | |
5923 | int | |
5924 | peer_unsuppress_map_unset (struct peer *peer, afi_t afi, safi_t safi) | |
5925 | { | |
5926 | struct bgp_filter *filter; | |
5927 | struct peer_group *group; | |
1eb8ef25 | 5928 | struct listnode *node, *nnode; |
718e3744 | 5929 | |
718e3744 | 5930 | filter = &peer->filter[afi][safi]; |
5931 | ||
5932 | if (filter->usmap.name) | |
6e919709 | 5933 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); |
718e3744 | 5934 | filter->usmap.name = NULL; |
5935 | filter->usmap.map = NULL; | |
5936 | ||
5937 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
518f0eb1 | 5938 | { |
94f34286 | 5939 | peer_on_policy_change(peer, afi, safi, 1); |
518f0eb1 DS |
5940 | return 0; |
5941 | } | |
718e3744 | 5942 | |
5943 | group = peer->group; | |
1eb8ef25 | 5944 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5945 | { |
5946 | filter = &peer->filter[afi][safi]; | |
5947 | ||
718e3744 | 5948 | if (filter->usmap.name) |
6e919709 | 5949 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); |
718e3744 | 5950 | filter->usmap.name = NULL; |
5951 | filter->usmap.map = NULL; | |
94f34286 | 5952 | peer_on_policy_change(peer, afi, safi, 1); |
718e3744 | 5953 | } |
5954 | return 0; | |
5955 | } | |
6b0655a2 | 5956 | |
718e3744 | 5957 | int |
5958 | peer_maximum_prefix_set (struct peer *peer, afi_t afi, safi_t safi, | |
0a486e5f | 5959 | u_int32_t max, u_char threshold, |
5960 | int warning, u_int16_t restart) | |
718e3744 | 5961 | { |
5962 | struct peer_group *group; | |
1eb8ef25 | 5963 | struct listnode *node, *nnode; |
718e3744 | 5964 | |
718e3744 | 5965 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); |
5966 | peer->pmax[afi][safi] = max; | |
e0701b79 | 5967 | peer->pmax_threshold[afi][safi] = threshold; |
0a486e5f | 5968 | peer->pmax_restart[afi][safi] = restart; |
718e3744 | 5969 | if (warning) |
5970 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5971 | else | |
5972 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5973 | ||
fc9a856f | 5974 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
718e3744 | 5975 | { |
fc9a856f DS |
5976 | group = peer->group; |
5977 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
5978 | { | |
fc9a856f DS |
5979 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); |
5980 | peer->pmax[afi][safi] = max; | |
5981 | peer->pmax_threshold[afi][safi] = threshold; | |
5982 | peer->pmax_restart[afi][safi] = restart; | |
5983 | if (warning) | |
5984 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5985 | else | |
5986 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5987 | ||
5988 | if ((peer->status == Established) && (peer->afc[afi][safi])) | |
5989 | bgp_maximum_prefix_overflow (peer, afi, safi, 1); | |
5990 | } | |
5991 | } | |
5992 | else | |
5993 | { | |
5994 | if ((peer->status == Established) && (peer->afc[afi][safi])) | |
5995 | bgp_maximum_prefix_overflow (peer, afi, safi, 1); | |
718e3744 | 5996 | } |
fc9a856f | 5997 | |
718e3744 | 5998 | return 0; |
5999 | } | |
6000 | ||
6001 | int | |
6002 | peer_maximum_prefix_unset (struct peer *peer, afi_t afi, safi_t safi) | |
6003 | { | |
6004 | struct peer_group *group; | |
1eb8ef25 | 6005 | struct listnode *node, *nnode; |
718e3744 | 6006 | |
718e3744 | 6007 | /* apply peer-group config */ |
c8560b44 | 6008 | if (peer_group_active(peer)) |
718e3744 | 6009 | { |
6010 | if (CHECK_FLAG (peer->group->conf->af_flags[afi][safi], | |
6011 | PEER_FLAG_MAX_PREFIX)) | |
6012 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
6013 | else | |
6014 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
6015 | ||
6016 | if (CHECK_FLAG (peer->group->conf->af_flags[afi][safi], | |
6017 | PEER_FLAG_MAX_PREFIX_WARNING)) | |
6018 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
6019 | else | |
6020 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
6021 | ||
6022 | peer->pmax[afi][safi] = peer->group->conf->pmax[afi][safi]; | |
e0701b79 | 6023 | peer->pmax_threshold[afi][safi] = peer->group->conf->pmax_threshold[afi][safi]; |
0a486e5f | 6024 | peer->pmax_restart[afi][safi] = peer->group->conf->pmax_restart[afi][safi]; |
718e3744 | 6025 | return 0; |
6026 | } | |
6027 | ||
6028 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
6029 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
6030 | peer->pmax[afi][safi] = 0; | |
0a486e5f | 6031 | peer->pmax_threshold[afi][safi] = 0; |
6032 | peer->pmax_restart[afi][safi] = 0; | |
718e3744 | 6033 | |
6034 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
6035 | return 0; | |
6036 | ||
6037 | group = peer->group; | |
1eb8ef25 | 6038 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 6039 | { |
718e3744 | 6040 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); |
6041 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
6042 | peer->pmax[afi][safi] = 0; | |
0a486e5f | 6043 | peer->pmax_threshold[afi][safi] = 0; |
6044 | peer->pmax_restart[afi][safi] = 0; | |
718e3744 | 6045 | } |
6046 | return 0; | |
6047 | } | |
5f9adb5d | 6048 | |
c43ed2e4 | 6049 | int is_ebgp_multihop_configured (struct peer *peer) |
5f9adb5d DL |
6050 | { |
6051 | struct peer_group *group; | |
6052 | struct listnode *node, *nnode; | |
6053 | struct peer *peer1; | |
6054 | ||
6055 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
6056 | { | |
6057 | group = peer->group; | |
5d804b43 PM |
6058 | if ((peer_sort(peer) != BGP_PEER_IBGP) && |
6059 | (group->conf->ttl != 1)) | |
5f9adb5d DL |
6060 | return 1; |
6061 | ||
6062 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer1)) | |
6063 | { | |
5d804b43 PM |
6064 | if ((peer_sort (peer1) != BGP_PEER_IBGP) && |
6065 | (peer1->ttl != 1)) | |
5f9adb5d DL |
6066 | return 1; |
6067 | } | |
6068 | } | |
6069 | else | |
6070 | { | |
5d804b43 PM |
6071 | if ((peer_sort(peer) != BGP_PEER_IBGP) && |
6072 | (peer->ttl != 1)) | |
5f9adb5d DL |
6073 | return 1; |
6074 | } | |
6075 | return 0; | |
6076 | } | |
6077 | ||
fa411a21 NH |
6078 | /* Set # of hops between us and BGP peer. */ |
6079 | int | |
6080 | peer_ttl_security_hops_set (struct peer *peer, int gtsm_hops) | |
6081 | { | |
6082 | struct peer_group *group; | |
6083 | struct listnode *node, *nnode; | |
fa411a21 NH |
6084 | int ret; |
6085 | ||
6086 | zlog_debug ("peer_ttl_security_hops_set: set gtsm_hops to %d for %s", gtsm_hops, peer->host); | |
6087 | ||
fa411a21 NH |
6088 | /* We cannot configure ttl-security hops when ebgp-multihop is already |
6089 | set. For non peer-groups, the check is simple. For peer-groups, it's | |
6090 | slightly messy, because we need to check both the peer-group structure | |
6091 | and all peer-group members for any trace of ebgp-multihop configuration | |
6092 | before actually applying the ttl-security rules. Cisco really made a | |
6093 | mess of this configuration parameter, and OpenBGPD got it right. | |
6094 | */ | |
e5cc509c DS |
6095 | |
6096 | if ((peer->gtsm_hops == 0) && (peer->sort != BGP_PEER_IBGP)) | |
5f9adb5d DL |
6097 | { |
6098 | if (is_ebgp_multihop_configured (peer)) | |
6099 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
fa411a21 | 6100 | |
e5cc509c DS |
6101 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
6102 | { | |
6103 | peer->gtsm_hops = gtsm_hops; | |
fa411a21 | 6104 | |
e5cc509c DS |
6105 | /* Calling ebgp multihop also resets the session. |
6106 | * On restart, NHT will get setup correctly as will the | |
6107 | * min & max ttls on the socket. The return value is | |
6108 | * irrelevant. | |
6109 | */ | |
6110 | ret = peer_ebgp_multihop_set (peer, MAXTTL); | |
6111 | ||
6112 | if (ret != 0) | |
6113 | return ret; | |
6114 | } | |
6115 | else | |
6116 | { | |
6117 | group = peer->group; | |
6118 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
6119 | { | |
6120 | peer->gtsm_hops = group->conf->gtsm_hops; | |
6121 | ||
6122 | /* Calling ebgp multihop also resets the session. | |
6123 | * On restart, NHT will get setup correctly as will the | |
6124 | * min & max ttls on the socket. The return value is | |
6125 | * irrelevant. | |
6126 | */ | |
c16b6d31 | 6127 | peer_ebgp_multihop_set (peer, MAXTTL); |
e5cc509c DS |
6128 | } |
6129 | } | |
fa411a21 NH |
6130 | } |
6131 | else | |
6132 | { | |
e5cc509c DS |
6133 | /* Post the first gtsm setup or if its ibgp, maxttl setting isn't |
6134 | * necessary, just set the minttl. | |
6135 | */ | |
6136 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
fa411a21 | 6137 | { |
e5cc509c | 6138 | peer->gtsm_hops = gtsm_hops; |
fa411a21 | 6139 | |
e5cc509c DS |
6140 | if (peer->fd >= 0) |
6141 | sockopt_minttl (peer->su.sa.sa_family, peer->fd, | |
6142 | MAXTTL + 1 - gtsm_hops); | |
6143 | if ((peer->status < Established) && peer->doppelganger && | |
6144 | (peer->doppelganger->fd >= 0)) | |
6145 | sockopt_minttl (peer->su.sa.sa_family, peer->doppelganger->fd, | |
6146 | MAXTTL + 1 - gtsm_hops); | |
6147 | } | |
6148 | else | |
6149 | { | |
6150 | group = peer->group; | |
6151 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
f5a4827d | 6152 | { |
e5cc509c DS |
6153 | peer->gtsm_hops = group->conf->gtsm_hops; |
6154 | ||
6155 | /* Change setting of existing peer | |
6156 | * established then change value (may break connectivity) | |
6157 | * not established yet (teardown session and restart) | |
6158 | * no session then do nothing (will get handled by next connection) | |
6159 | */ | |
f5a4827d SH |
6160 | if (peer->fd >= 0 && peer->gtsm_hops != 0) |
6161 | sockopt_minttl (peer->su.sa.sa_family, peer->fd, | |
6162 | MAXTTL + 1 - peer->gtsm_hops); | |
e5cc509c DS |
6163 | if ((peer->status < Established) && peer->doppelganger && |
6164 | (peer->doppelganger->fd >= 0)) | |
6165 | sockopt_minttl (peer->su.sa.sa_family, peer->doppelganger->fd, | |
6166 | MAXTTL + 1 - gtsm_hops); | |
6167 | ||
f5a4827d | 6168 | } |
fa411a21 NH |
6169 | } |
6170 | } | |
6171 | ||
6172 | return 0; | |
6173 | } | |
6174 | ||
6175 | int | |
6176 | peer_ttl_security_hops_unset (struct peer *peer) | |
6177 | { | |
6178 | struct peer_group *group; | |
6179 | struct listnode *node, *nnode; | |
e5cc509c | 6180 | int ret = 0; |
fa411a21 NH |
6181 | |
6182 | zlog_debug ("peer_ttl_security_hops_unset: set gtsm_hops to zero for %s", peer->host); | |
6183 | ||
fa411a21 NH |
6184 | /* if a peer-group member, then reset to peer-group default rather than 0 */ |
6185 | if (peer_group_active (peer)) | |
6186 | peer->gtsm_hops = peer->group->conf->gtsm_hops; | |
6187 | else | |
6188 | peer->gtsm_hops = 0; | |
6189 | ||
fa411a21 NH |
6190 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
6191 | { | |
e5cc509c DS |
6192 | /* Invoking ebgp_multihop_set will set the TTL back to the original |
6193 | * value as well as restting the NHT and such. The session is reset. | |
6194 | */ | |
6195 | if (peer->sort == BGP_PEER_EBGP) | |
6196 | ret = peer_ebgp_multihop_unset (peer); | |
6197 | else | |
6198 | { | |
6199 | if (peer->fd >= 0) | |
6200 | sockopt_minttl (peer->su.sa.sa_family, peer->fd, 0); | |
1ff9a340 | 6201 | |
e5cc509c DS |
6202 | if ((peer->status < Established) && peer->doppelganger && |
6203 | (peer->doppelganger->fd >= 0)) | |
6204 | sockopt_minttl (peer->su.sa.sa_family, | |
6205 | peer->doppelganger->fd, 0); | |
6206 | } | |
fa411a21 NH |
6207 | } |
6208 | else | |
6209 | { | |
6210 | group = peer->group; | |
6211 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
6212 | { | |
fa411a21 | 6213 | peer->gtsm_hops = 0; |
e5cc509c DS |
6214 | if (peer->sort == BGP_PEER_EBGP) |
6215 | ret = peer_ebgp_multihop_unset (peer); | |
6216 | else | |
6217 | { | |
6218 | if (peer->fd >= 0) | |
6219 | sockopt_minttl (peer->su.sa.sa_family, peer->fd, 0); | |
1ff9a340 | 6220 | |
e5cc509c DS |
6221 | if ((peer->status < Established) && peer->doppelganger && |
6222 | (peer->doppelganger->fd >= 0)) | |
6223 | sockopt_minttl (peer->su.sa.sa_family, | |
6224 | peer->doppelganger->fd, 0); | |
6225 | } | |
fa411a21 NH |
6226 | } |
6227 | } | |
6228 | ||
88177fe3 | 6229 | return ret; |
fa411a21 | 6230 | } |
6b0655a2 | 6231 | |
1ff9a340 DS |
6232 | /* |
6233 | * If peer clear is invoked in a loop for all peers on the BGP instance, | |
6234 | * it may end up freeing the doppelganger, and if this was the next node | |
6235 | * to the current node, we would end up accessing the freed next node. | |
6236 | * Pass along additional parameter which can be updated if next node | |
6237 | * is freed; only required when walking the peer list on BGP instance. | |
6238 | */ | |
718e3744 | 6239 | int |
1ff9a340 | 6240 | peer_clear (struct peer *peer, struct listnode **nnode) |
718e3744 | 6241 | { |
6242 | if (! CHECK_FLAG (peer->flags, PEER_FLAG_SHUTDOWN)) | |
6243 | { | |
0a486e5f | 6244 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW)) |
6245 | { | |
6246 | UNSET_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); | |
6247 | if (peer->t_pmax_restart) | |
6248 | { | |
6249 | BGP_TIMER_OFF (peer->t_pmax_restart); | |
16286195 | 6250 | if (bgp_debug_neighbor_events(peer)) |
0a486e5f | 6251 | zlog_debug ("%s Maximum-prefix restart timer canceled", |
6252 | peer->host); | |
6253 | } | |
6254 | BGP_EVENT_ADD (peer, BGP_Start); | |
6255 | return 0; | |
6256 | } | |
6257 | ||
718e3744 | 6258 | peer->v_start = BGP_INIT_START_TIMER; |
6aa136f1 | 6259 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
718e3744 | 6260 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, |
6261 | BGP_NOTIFY_CEASE_ADMIN_RESET); | |
6262 | else | |
1ff9a340 | 6263 | bgp_session_reset_safe(peer, nnode); |
718e3744 | 6264 | } |
6265 | return 0; | |
6266 | } | |
6267 | ||
6268 | int | |
6269 | peer_clear_soft (struct peer *peer, afi_t afi, safi_t safi, | |
6270 | enum bgp_clear_type stype) | |
6271 | { | |
6a646146 DS |
6272 | struct peer_af *paf; |
6273 | ||
718e3744 | 6274 | if (peer->status != Established) |
6275 | return 0; | |
6276 | ||
6277 | if (! peer->afc[afi][safi]) | |
6278 | return BGP_ERR_AF_UNCONFIGURED; | |
6279 | ||
e9a0c656 TT |
6280 | peer->rtt = sockopt_tcp_rtt (peer->fd); |
6281 | ||
718e3744 | 6282 | if (stype == BGP_CLEAR_SOFT_OUT || stype == BGP_CLEAR_SOFT_BOTH) |
6a646146 DS |
6283 | { |
6284 | /* Clear the "neighbor x.x.x.x default-originate" flag */ | |
6285 | paf = peer_af_find (peer, afi, safi); | |
6286 | if (paf && paf->subgroup && | |
6287 | CHECK_FLAG (paf->subgroup->sflags, SUBGRP_STATUS_DEFAULT_ORIGINATE)) | |
6288 | UNSET_FLAG (paf->subgroup->sflags, SUBGRP_STATUS_DEFAULT_ORIGINATE); | |
6289 | ||
6290 | bgp_announce_route (peer, afi, safi); | |
6291 | } | |
718e3744 | 6292 | |
6293 | if (stype == BGP_CLEAR_SOFT_IN_ORF_PREFIX) | |
6294 | { | |
6295 | if (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_SM_ADV) | |
6296 | && (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_RCV) | |
6297 | || CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_OLD_RCV))) | |
6298 | { | |
6299 | struct bgp_filter *filter = &peer->filter[afi][safi]; | |
6300 | u_char prefix_type; | |
6301 | ||
6302 | if (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_RCV)) | |
6303 | prefix_type = ORF_TYPE_PREFIX; | |
6304 | else | |
6305 | prefix_type = ORF_TYPE_PREFIX_OLD; | |
6306 | ||
6307 | if (filter->plist[FILTER_IN].plist) | |
6308 | { | |
6309 | if (CHECK_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_ORF_PREFIX_SEND)) | |
6310 | bgp_route_refresh_send (peer, afi, safi, | |
6311 | prefix_type, REFRESH_DEFER, 1); | |
6312 | bgp_route_refresh_send (peer, afi, safi, prefix_type, | |
6313 | REFRESH_IMMEDIATE, 0); | |
6314 | } | |
6315 | else | |
6316 | { | |
6317 | if (CHECK_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_ORF_PREFIX_SEND)) | |
6318 | bgp_route_refresh_send (peer, afi, safi, | |
6319 | prefix_type, REFRESH_IMMEDIATE, 1); | |
6320 | else | |
6321 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
6322 | } | |
6323 | return 0; | |
6324 | } | |
6325 | } | |
6326 | ||
6327 | if (stype == BGP_CLEAR_SOFT_IN || stype == BGP_CLEAR_SOFT_BOTH | |
6328 | || stype == BGP_CLEAR_SOFT_IN_ORF_PREFIX) | |
6329 | { | |
6330 | /* If neighbor has soft reconfiguration inbound flag. | |
6331 | Use Adj-RIB-In database. */ | |
6332 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG)) | |
6333 | bgp_soft_reconfig_in (peer, afi, safi); | |
6334 | else | |
6335 | { | |
6336 | /* If neighbor has route refresh capability, send route refresh | |
6337 | message to the peer. */ | |
6338 | if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
6339 | || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
6340 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
6341 | else | |
6342 | return BGP_ERR_SOFT_RECONFIG_UNCONFIGURED; | |
6343 | } | |
6344 | } | |
6345 | return 0; | |
6346 | } | |
6b0655a2 | 6347 | |
fd79ac91 | 6348 | /* Display peer uptime.*/ |
718e3744 | 6349 | char * |
856ca177 | 6350 | peer_uptime (time_t uptime2, char *buf, size_t len, u_char use_json, json_object *json) |
718e3744 | 6351 | { |
46111f2f | 6352 | time_t uptime1, epoch_tbuf; |
718e3744 | 6353 | struct tm *tm; |
6354 | ||
6355 | /* Check buffer length. */ | |
6356 | if (len < BGP_UPTIME_LEN) | |
6357 | { | |
856ca177 MS |
6358 | if (!use_json) |
6359 | { | |
6360 | zlog_warn ("peer_uptime (): buffer shortage %lu", (u_long)len); | |
6361 | /* XXX: should return status instead of buf... */ | |
6362 | snprintf (buf, len, "<error> "); | |
6363 | } | |
fd79ac91 | 6364 | return buf; |
718e3744 | 6365 | } |
6366 | ||
6367 | /* If there is no connection has been done before print `never'. */ | |
6368 | if (uptime2 == 0) | |
6369 | { | |
856ca177 | 6370 | if (use_json) |
c6a7d59c DW |
6371 | { |
6372 | json_object_string_add(json, "peerUptime", "never"); | |
6373 | json_object_int_add(json, "peerUptimeMsec", 0); | |
6374 | } | |
856ca177 MS |
6375 | else |
6376 | snprintf (buf, len, "never"); | |
718e3744 | 6377 | return buf; |
6378 | } | |
6379 | ||
6380 | /* Get current time. */ | |
65957886 | 6381 | uptime1 = bgp_clock (); |
718e3744 | 6382 | uptime1 -= uptime2; |
6383 | tm = gmtime (&uptime1); | |
6384 | ||
6385 | /* Making formatted timer strings. */ | |
6386 | #define ONE_DAY_SECOND 60*60*24 | |
3a6229da PJ |
6387 | #define ONE_WEEK_SECOND ONE_DAY_SECOND*7 |
6388 | #define ONE_YEAR_SECOND ONE_DAY_SECOND*365 | |
718e3744 | 6389 | |
1d889348 DS |
6390 | if (uptime1 < ONE_DAY_SECOND) |
6391 | snprintf (buf, len, "%02d:%02d:%02d", | |
6392 | tm->tm_hour, tm->tm_min, tm->tm_sec); | |
6393 | else if (uptime1 < ONE_WEEK_SECOND) | |
6394 | snprintf (buf, len, "%dd%02dh%02dm", | |
6395 | tm->tm_yday, tm->tm_hour, tm->tm_min); | |
3a6229da | 6396 | else if (uptime1 < ONE_YEAR_SECOND) |
1d889348 DS |
6397 | snprintf (buf, len, "%02dw%dd%02dh", |
6398 | tm->tm_yday/7, tm->tm_yday - ((tm->tm_yday/7) * 7), tm->tm_hour); | |
3a6229da PJ |
6399 | else |
6400 | snprintf (buf, len, "%02dy%02dw%dd", | |
6401 | tm->tm_year - 70, tm->tm_yday/7, | |
6402 | tm->tm_yday - ((tm->tm_yday/7) * 7)); | |
1d889348 | 6403 | |
c6a7d59c DW |
6404 | if (use_json) |
6405 | { | |
46111f2f | 6406 | epoch_tbuf = time(NULL) - uptime1; |
c6a7d59c DW |
6407 | json_object_string_add(json, "peerUptime", buf); |
6408 | json_object_long_add(json, "peerUptimeMsec", uptime1 * 1000); | |
46111f2f | 6409 | json_object_int_add(json, "peerUptimeEstablishedEpoch", epoch_tbuf); |
c6a7d59c DW |
6410 | } |
6411 | ||
718e3744 | 6412 | return buf; |
6413 | } | |
6b0655a2 | 6414 | |
400b1fad DW |
6415 | static void |
6416 | afi_header_vty_out (struct vty *vty, afi_t afi, safi_t safi, | |
6417 | int *write, const char *format, ...) | |
6418 | { | |
6419 | va_list args; | |
6420 | int len = 0; | |
6421 | char buf[1024]; | |
6422 | ||
6423 | bgp_config_write_family_header (vty, afi, safi, write); | |
6424 | ||
6425 | if (vty_shell (vty)) | |
6426 | { | |
6427 | va_start (args, format); | |
6428 | vprintf (format, args); | |
6429 | va_end (args); | |
6430 | } | |
6431 | else | |
6432 | { | |
6433 | va_start (args, format); | |
6434 | len = vsnprintf (buf, sizeof(buf), format, args); | |
6435 | va_end (args); | |
6436 | ||
6437 | buffer_put (vty->obuf, (u_char *) buf, len); | |
6438 | } | |
6439 | } | |
6440 | ||
94f2b392 | 6441 | static void |
718e3744 | 6442 | bgp_config_write_filter (struct vty *vty, struct peer *peer, |
400b1fad | 6443 | afi_t afi, safi_t safi, int *write) |
718e3744 | 6444 | { |
6445 | struct bgp_filter *filter; | |
6446 | struct bgp_filter *gfilter = NULL; | |
6447 | char *addr; | |
6448 | int in = FILTER_IN; | |
6449 | int out = FILTER_OUT; | |
6450 | ||
6451 | addr = peer->host; | |
6452 | filter = &peer->filter[afi][safi]; | |
c8560b44 DW |
6453 | |
6454 | if (peer_group_active(peer)) | |
718e3744 | 6455 | gfilter = &peer->group->conf->filter[afi][safi]; |
6456 | ||
6457 | /* distribute-list. */ | |
6458 | if (filter->dlist[in].name) | |
6459 | if (! gfilter || ! gfilter->dlist[in].name | |
6460 | || strcmp (filter->dlist[in].name, gfilter->dlist[in].name) != 0) | |
400b1fad DW |
6461 | { |
6462 | afi_header_vty_out (vty, afi, safi, write, | |
6463 | " neighbor %s distribute-list %s in%s", | |
6464 | addr, filter->dlist[in].name, VTY_NEWLINE); | |
6465 | } | |
6466 | ||
718e3744 | 6467 | if (filter->dlist[out].name && ! gfilter) |
400b1fad DW |
6468 | { |
6469 | afi_header_vty_out (vty, afi, safi, write, | |
6470 | " neighbor %s distribute-list %s out%s", | |
6471 | addr, filter->dlist[out].name, VTY_NEWLINE); | |
6472 | } | |
718e3744 | 6473 | |
6474 | /* prefix-list. */ | |
6475 | if (filter->plist[in].name) | |
6476 | if (! gfilter || ! gfilter->plist[in].name | |
6477 | || strcmp (filter->plist[in].name, gfilter->plist[in].name) != 0) | |
400b1fad DW |
6478 | { |
6479 | afi_header_vty_out (vty, afi, safi, write, | |
6480 | " neighbor %s prefix-list %s in%s", | |
6481 | addr, filter->plist[in].name, VTY_NEWLINE); | |
6482 | } | |
6483 | ||
718e3744 | 6484 | if (filter->plist[out].name && ! gfilter) |
400b1fad DW |
6485 | { |
6486 | afi_header_vty_out (vty, afi, safi, write, | |
6487 | " neighbor %s prefix-list %s out%s", | |
6488 | addr, filter->plist[out].name, VTY_NEWLINE); | |
6489 | } | |
718e3744 | 6490 | |
6491 | /* route-map. */ | |
fee0f4c6 | 6492 | if (filter->map[RMAP_IN].name) |
6493 | if (! gfilter || ! gfilter->map[RMAP_IN].name | |
6494 | || strcmp (filter->map[RMAP_IN].name, gfilter->map[RMAP_IN].name) != 0) | |
400b1fad DW |
6495 | { |
6496 | afi_header_vty_out (vty, afi, safi, write, | |
6497 | " neighbor %s route-map %s in%s", | |
6498 | addr, filter->map[RMAP_IN].name, VTY_NEWLINE); | |
6499 | } | |
6500 | ||
2bd5af06 DS |
6501 | if (filter->map[RMAP_OUT].name) |
6502 | if (! gfilter || ! gfilter->map[RMAP_OUT].name | |
6503 | || strcmp (filter->map[RMAP_OUT].name, gfilter->map[RMAP_OUT].name) != 0) | |
400b1fad DW |
6504 | { |
6505 | afi_header_vty_out (vty, afi, safi, write, | |
6506 | " neighbor %s route-map %s out%s", | |
6507 | addr, filter->map[RMAP_OUT].name, VTY_NEWLINE); | |
6508 | } | |
6509 | ||
718e3744 | 6510 | /* unsuppress-map */ |
6511 | if (filter->usmap.name && ! gfilter) | |
400b1fad DW |
6512 | { |
6513 | afi_header_vty_out (vty, afi, safi, write, | |
6514 | " neighbor %s unsuppress-map %s%s", | |
6515 | addr, filter->usmap.name, VTY_NEWLINE); | |
6516 | } | |
718e3744 | 6517 | |
6518 | /* filter-list. */ | |
6519 | if (filter->aslist[in].name) | |
6520 | if (! gfilter || ! gfilter->aslist[in].name | |
6521 | || strcmp (filter->aslist[in].name, gfilter->aslist[in].name) != 0) | |
400b1fad DW |
6522 | { |
6523 | afi_header_vty_out (vty, afi, safi, write, | |
6524 | " neighbor %s filter-list %s in%s", | |
6525 | addr, filter->aslist[in].name, VTY_NEWLINE); | |
6526 | } | |
6527 | ||
718e3744 | 6528 | if (filter->aslist[out].name && ! gfilter) |
400b1fad DW |
6529 | { |
6530 | afi_header_vty_out (vty, afi, safi, write, | |
6531 | " neighbor %s filter-list %s out%s", | |
6532 | addr, filter->aslist[out].name, VTY_NEWLINE); | |
6533 | } | |
718e3744 | 6534 | } |
6535 | ||
6536 | /* BGP peer configuration display function. */ | |
94f2b392 | 6537 | static void |
0b960b4d DW |
6538 | bgp_config_write_peer_global (struct vty *vty, struct bgp *bgp, |
6539 | struct peer *peer) | |
718e3744 | 6540 | { |
718e3744 | 6541 | struct peer *g_peer = NULL; |
6542 | char buf[SU_ADDRSTRLEN]; | |
6543 | char *addr; | |
b3a39dc5 DD |
6544 | int if_pg_printed = FALSE; |
6545 | int if_ras_printed = FALSE; | |
718e3744 | 6546 | |
f14e6fdb DS |
6547 | /* Skip dynamic neighbors. */ |
6548 | if (peer_dynamic_neighbor (peer)) | |
6549 | return; | |
6550 | ||
a80beece DS |
6551 | if (peer->conf_if) |
6552 | addr = peer->conf_if; | |
6553 | else | |
6554 | addr = peer->host; | |
6555 | ||
718e3744 | 6556 | /************************************ |
6557 | ****** Global to the neighbor ****** | |
6558 | ************************************/ | |
0b960b4d | 6559 | if (peer->conf_if) |
718e3744 | 6560 | { |
0b960b4d | 6561 | if (CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY)) |
4c48cf63 | 6562 | vty_out (vty, " neighbor %s interface v6only", addr); |
0b960b4d | 6563 | else |
4c48cf63 DW |
6564 | vty_out (vty, " neighbor %s interface", addr); |
6565 | ||
6566 | if (peer_group_active (peer)) | |
b3a39dc5 DD |
6567 | { |
6568 | vty_out (vty, " peer-group %s", peer->group->name); | |
6569 | if_pg_printed = TRUE; | |
6570 | } | |
6571 | else if (peer->as_type == AS_SPECIFIED) | |
6572 | { | |
6573 | vty_out (vty, " remote-as %u", peer->as); | |
6574 | if_ras_printed = TRUE; | |
6575 | } | |
6576 | else if (peer->as_type == AS_INTERNAL) | |
6577 | { | |
6578 | vty_out (vty, " remote-as internal"); | |
6579 | if_ras_printed = TRUE; | |
6580 | } | |
6581 | else if (peer->as_type == AS_EXTERNAL) | |
6582 | { | |
6583 | vty_out (vty, " remote-as external"); | |
6584 | if_ras_printed = TRUE; | |
6585 | } | |
4c48cf63 DW |
6586 | |
6587 | vty_out (vty, "%s", VTY_NEWLINE); | |
0b960b4d | 6588 | } |
a80beece | 6589 | |
c8560b44 DW |
6590 | /* remote-as and peer-group */ |
6591 | /* peer is a member of a peer-group */ | |
6592 | if (peer_group_active (peer)) | |
0b960b4d | 6593 | { |
c8560b44 | 6594 | g_peer = peer->group->conf; |
0b960b4d | 6595 | |
b3a39dc5 | 6596 | if (g_peer->as_type == AS_UNSPECIFIED && !if_ras_printed) |
0b960b4d DW |
6597 | { |
6598 | if (peer->as_type == AS_SPECIFIED) | |
6599 | { | |
6600 | vty_out (vty, " neighbor %s remote-as %u%s", addr, peer->as, | |
6601 | VTY_NEWLINE); | |
6602 | } | |
6603 | else if (peer->as_type == AS_INTERNAL) | |
6604 | { | |
6605 | vty_out (vty, " neighbor %s remote-as internal%s", addr, VTY_NEWLINE); | |
6606 | } | |
6607 | else if (peer->as_type == AS_EXTERNAL) | |
6608 | { | |
6609 | vty_out (vty, " neighbor %s remote-as external%s", addr, VTY_NEWLINE); | |
6610 | } | |
6611 | } | |
c8560b44 | 6612 | |
4c48cf63 DW |
6613 | /* For swpX peers we displayed the peer-group |
6614 | * via 'neighbor swpX interface peer-group WORD' */ | |
b3a39dc5 | 6615 | if (!if_pg_printed) |
4c48cf63 DW |
6616 | vty_out (vty, " neighbor %s peer-group %s%s", addr, |
6617 | peer->group->name, VTY_NEWLINE); | |
c8560b44 DW |
6618 | } |
6619 | ||
6620 | /* peer is NOT a member of a peer-group */ | |
6621 | else | |
6622 | { | |
6623 | /* peer is a peer-group, declare the peer-group */ | |
6624 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
6625 | { | |
6626 | vty_out (vty, " neighbor %s peer-group%s", addr, | |
6627 | VTY_NEWLINE); | |
6628 | } | |
6629 | ||
b3a39dc5 | 6630 | if (!if_ras_printed) |
c8560b44 | 6631 | { |
b3a39dc5 DD |
6632 | if (peer->as_type == AS_SPECIFIED) |
6633 | { | |
6634 | vty_out (vty, " neighbor %s remote-as %u%s", addr, peer->as, | |
6635 | VTY_NEWLINE); | |
6636 | } | |
6637 | else if (peer->as_type == AS_INTERNAL) | |
6638 | { | |
6639 | vty_out (vty, " neighbor %s remote-as internal%s", addr, VTY_NEWLINE); | |
6640 | } | |
6641 | else if (peer->as_type == AS_EXTERNAL) | |
6642 | { | |
6643 | vty_out (vty, " neighbor %s remote-as external%s", addr, VTY_NEWLINE); | |
6644 | } | |
0b960b4d DW |
6645 | } |
6646 | } | |
718e3744 | 6647 | |
0b960b4d DW |
6648 | /* local-as */ |
6649 | if (peer->change_local_as) | |
6650 | { | |
06830cb8 DW |
6651 | if (! peer_group_active (peer) |
6652 | || peer->change_local_as != g_peer->change_local_as | |
6653 | || (CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) != | |
6654 | CHECK_FLAG (g_peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND)) | |
6655 | || (CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) != | |
6656 | CHECK_FLAG (g_peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS))) | |
0b960b4d DW |
6657 | { |
6658 | vty_out (vty, " neighbor %s local-as %u%s%s%s", addr, | |
6659 | peer->change_local_as, | |
6660 | CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) ? | |
6661 | " no-prepend" : "", | |
6662 | CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) ? | |
6663 | " replace-as" : "", VTY_NEWLINE); | |
6664 | } | |
6665 | } | |
718e3744 | 6666 | |
0b960b4d DW |
6667 | /* description */ |
6668 | if (peer->desc) | |
6669 | { | |
6670 | vty_out (vty, " neighbor %s description %s%s", addr, peer->desc, | |
6671 | VTY_NEWLINE); | |
6672 | } | |
718e3744 | 6673 | |
0b960b4d DW |
6674 | /* shutdown */ |
6675 | if (CHECK_FLAG (peer->flags, PEER_FLAG_SHUTDOWN)) | |
6676 | { | |
6677 | if (! peer_group_active (peer) || | |
73d70fa6 DL |
6678 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_SHUTDOWN) || |
6679 | peer->tx_shutdown_message) | |
0b960b4d | 6680 | { |
73d70fa6 DL |
6681 | if (peer->tx_shutdown_message) |
6682 | vty_out (vty, " neighbor %s shutdown message %s%s", addr, | |
6683 | peer->tx_shutdown_message, VTY_NEWLINE); | |
6684 | else | |
6685 | vty_out (vty, " neighbor %s shutdown%s", addr, VTY_NEWLINE); | |
0b960b4d DW |
6686 | } |
6687 | } | |
d5a5c8f0 | 6688 | |
0b960b4d DW |
6689 | /* bfd */ |
6690 | if (peer->bfd_info) | |
6691 | { | |
6692 | if (! peer_group_active (peer) || ! g_peer->bfd_info) | |
6693 | { | |
6694 | bgp_bfd_peer_config_write(vty, peer, addr); | |
6695 | } | |
6696 | } | |
718e3744 | 6697 | |
0b960b4d DW |
6698 | /* password */ |
6699 | if (peer->password) | |
6700 | { | |
6701 | if (!peer_group_active (peer) | |
6702 | || ! g_peer->password | |
6703 | || strcmp (peer->password, g_peer->password) != 0) | |
6704 | { | |
6705 | vty_out (vty, " neighbor %s password %s%s", addr, peer->password, | |
6706 | VTY_NEWLINE); | |
6707 | } | |
6708 | } | |
6709 | ||
6710 | /* neighbor solo */ | |
6711 | if (CHECK_FLAG(peer->flags, PEER_FLAG_LONESOUL)) | |
6712 | { | |
6713 | if (!peer_group_active (peer)) | |
6714 | { | |
6715 | vty_out (vty, " neighbor %s solo%s", addr, VTY_NEWLINE); | |
6716 | } | |
6717 | } | |
6718 | ||
6719 | /* BGP port */ | |
6720 | if (peer->port != BGP_PORT_DEFAULT) | |
6721 | { | |
6722 | vty_out (vty, " neighbor %s port %d%s", addr, peer->port, | |
6723 | VTY_NEWLINE); | |
6724 | } | |
6725 | ||
6726 | /* Local interface name */ | |
6727 | if (peer->ifname) | |
6728 | { | |
6729 | vty_out (vty, " neighbor %s interface %s%s", addr, peer->ifname, | |
6730 | VTY_NEWLINE); | |
6731 | } | |
6732 | ||
6733 | /* passive */ | |
6734 | if (CHECK_FLAG (peer->flags, PEER_FLAG_PASSIVE)) | |
6735 | { | |
6736 | if (! peer_group_active (peer) || | |
6737 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_PASSIVE)) | |
6738 | { | |
6739 | vty_out (vty, " neighbor %s passive%s", addr, VTY_NEWLINE); | |
6740 | } | |
6741 | } | |
6742 | ||
6743 | /* ebgp-multihop */ | |
6744 | if (peer->sort != BGP_PEER_IBGP && peer->ttl != 1 && | |
6745 | !(peer->gtsm_hops != 0 && peer->ttl == MAXTTL)) | |
6746 | { | |
6747 | if (! peer_group_active (peer) || g_peer->ttl != peer->ttl) | |
6748 | { | |
6749 | vty_out (vty, " neighbor %s ebgp-multihop %d%s", addr, peer->ttl, | |
6750 | VTY_NEWLINE); | |
6751 | } | |
6752 | } | |
6753 | ||
6754 | /* ttl-security hops */ | |
6755 | if (peer->gtsm_hops != 0) | |
6756 | { | |
6757 | if (! peer_group_active (peer) || g_peer->gtsm_hops != peer->gtsm_hops) | |
6758 | { | |
89b6d1f8 | 6759 | vty_out (vty, " neighbor %s ttl-security hops %d%s", addr, |
fa411a21 | 6760 | peer->gtsm_hops, VTY_NEWLINE); |
0b960b4d DW |
6761 | } |
6762 | } | |
fa411a21 | 6763 | |
0b960b4d DW |
6764 | /* disable-connected-check */ |
6765 | if (CHECK_FLAG (peer->flags, PEER_FLAG_DISABLE_CONNECTED_CHECK)) | |
6766 | { | |
6767 | if (! peer_group_active (peer) || | |
6768 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_DISABLE_CONNECTED_CHECK)) | |
6769 | { | |
6770 | vty_out (vty, " neighbor %s disable-connected-check%s", addr, VTY_NEWLINE); | |
6771 | } | |
6772 | } | |
718e3744 | 6773 | |
0b960b4d DW |
6774 | /* update-source */ |
6775 | if (peer->update_if) | |
6776 | { | |
6777 | if (! peer_group_active (peer) || ! g_peer->update_if | |
6778 | || strcmp (g_peer->update_if, peer->update_if) != 0) | |
6779 | { | |
6780 | vty_out (vty, " neighbor %s update-source %s%s", addr, | |
6781 | peer->update_if, VTY_NEWLINE); | |
6782 | } | |
6783 | } | |
6784 | if (peer->update_source) | |
6785 | { | |
6786 | if (! peer_group_active (peer) || ! g_peer->update_source | |
6787 | || sockunion_cmp (g_peer->update_source, | |
6788 | peer->update_source) != 0) | |
6789 | { | |
6790 | vty_out (vty, " neighbor %s update-source %s%s", addr, | |
6791 | sockunion2str (peer->update_source, buf, SU_ADDRSTRLEN), | |
6792 | VTY_NEWLINE); | |
6793 | } | |
6794 | } | |
718e3744 | 6795 | |
0b960b4d | 6796 | /* advertisement-interval */ |
64a608db DW |
6797 | if (CHECK_FLAG (peer->config, PEER_CONFIG_ROUTEADV) && |
6798 | ((! peer_group_active (peer) && peer->v_routeadv != BGP_DEFAULT_EBGP_ROUTEADV) || | |
6799 | (peer_group_active (peer) && peer->v_routeadv != g_peer->v_routeadv))) | |
0b960b4d DW |
6800 | { |
6801 | vty_out (vty, " neighbor %s advertisement-interval %d%s", | |
6802 | addr, peer->v_routeadv, VTY_NEWLINE); | |
6803 | } | |
8a92a8a0 | 6804 | |
0b960b4d | 6805 | /* timers */ |
64a608db DW |
6806 | if (CHECK_FLAG (peer->config, PEER_CONFIG_TIMER) && |
6807 | ((! peer_group_active (peer) && (peer->keepalive != BGP_DEFAULT_KEEPALIVE || peer->holdtime != BGP_DEFAULT_HOLDTIME)) || | |
6808 | (peer_group_active (peer) && (peer->keepalive != g_peer->keepalive || peer->holdtime != g_peer->holdtime)))) | |
0b960b4d DW |
6809 | { |
6810 | vty_out (vty, " neighbor %s timers %d %d%s", addr, | |
6811 | peer->keepalive, peer->holdtime, VTY_NEWLINE); | |
6812 | } | |
718e3744 | 6813 | |
0b960b4d | 6814 | if (CHECK_FLAG (peer->config, PEER_CONFIG_CONNECT) && |
64a608db DW |
6815 | ((! peer_group_active (peer) && peer->connect != BGP_DEFAULT_CONNECT_RETRY) || |
6816 | (peer_group_active (peer) && peer->connect != g_peer->connect))) | |
6817 | ||
0b960b4d DW |
6818 | { |
6819 | vty_out (vty, " neighbor %s timers connect %d%s", addr, | |
6820 | peer->connect, VTY_NEWLINE); | |
6821 | } | |
718e3744 | 6822 | |
0b960b4d DW |
6823 | /* capability dynamic */ |
6824 | if (CHECK_FLAG (peer->flags, PEER_FLAG_DYNAMIC_CAPABILITY)) | |
6825 | { | |
6826 | if (! peer_group_active (peer) || | |
6827 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_DYNAMIC_CAPABILITY)) | |
6828 | { | |
6829 | vty_out (vty, " neighbor %s capability dynamic%s", addr, | |
6830 | VTY_NEWLINE); | |
6831 | } | |
6832 | } | |
6833 | ||
6834 | /* capability extended-nexthop */ | |
b3a39dc5 DD |
6835 | if (peer->ifp && !CHECK_FLAG (peer->flags, PEER_FLAG_CAPABILITY_ENHE)) |
6836 | { | |
6837 | if (! peer_group_active (peer) || | |
6838 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_CAPABILITY_ENHE)) | |
6839 | { | |
6840 | vty_out (vty, " no neighbor %s capability extended-nexthop%s", addr, | |
6841 | VTY_NEWLINE); | |
6842 | } | |
6843 | } | |
6844 | ||
6845 | if (!peer->ifp && CHECK_FLAG (peer->flags, PEER_FLAG_CAPABILITY_ENHE)) | |
0b960b4d DW |
6846 | { |
6847 | if (! peer_group_active (peer) || | |
6848 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_CAPABILITY_ENHE)) | |
6849 | { | |
6850 | vty_out (vty, " neighbor %s capability extended-nexthop%s", addr, | |
6851 | VTY_NEWLINE); | |
6852 | } | |
718e3744 | 6853 | } |
6854 | ||
0b960b4d DW |
6855 | /* dont-capability-negotiation */ |
6856 | if (CHECK_FLAG (peer->flags, PEER_FLAG_DONT_CAPABILITY)) | |
6857 | { | |
6858 | if (! peer_group_active (peer) || | |
6859 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_DONT_CAPABILITY)) | |
6860 | { | |
6861 | vty_out (vty, " neighbor %s dont-capability-negotiate%s", addr, | |
6862 | VTY_NEWLINE); | |
6863 | } | |
6864 | } | |
718e3744 | 6865 | |
0b960b4d DW |
6866 | /* override-capability */ |
6867 | if (CHECK_FLAG (peer->flags, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
6868 | { | |
6869 | if (! peer_group_active (peer) || | |
6870 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
6871 | { | |
6872 | vty_out (vty, " neighbor %s override-capability%s", addr, | |
6873 | VTY_NEWLINE); | |
6874 | } | |
6875 | } | |
718e3744 | 6876 | |
0b960b4d DW |
6877 | /* strict-capability-match */ |
6878 | if (CHECK_FLAG (peer->flags, PEER_FLAG_STRICT_CAP_MATCH)) | |
718e3744 | 6879 | { |
0b960b4d DW |
6880 | if (! peer_group_active (peer) || |
6881 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_STRICT_CAP_MATCH)) | |
6882 | { | |
6883 | vty_out (vty, " neighbor %s strict-capability-match%s", addr, | |
6884 | VTY_NEWLINE); | |
6885 | } | |
718e3744 | 6886 | } |
0b960b4d DW |
6887 | } |
6888 | ||
0b960b4d DW |
6889 | /* BGP peer configuration display function. */ |
6890 | static void | |
6891 | bgp_config_write_peer_af (struct vty *vty, struct bgp *bgp, | |
400b1fad DW |
6892 | struct peer *peer, afi_t afi, safi_t safi, |
6893 | int *write) | |
0b960b4d DW |
6894 | { |
6895 | struct peer *g_peer = NULL; | |
6896 | char *addr; | |
6897 | ||
6898 | /* Skip dynamic neighbors. */ | |
6899 | if (peer_dynamic_neighbor (peer)) | |
6900 | return; | |
6901 | ||
6902 | if (peer->conf_if) | |
6903 | addr = peer->conf_if; | |
6904 | else | |
6905 | addr = peer->host; | |
6906 | ||
0b960b4d DW |
6907 | /************************************ |
6908 | ****** Per AF to the neighbor ****** | |
6909 | ************************************/ | |
c8560b44 | 6910 | if (peer_group_active (peer)) |
400b1fad | 6911 | { |
c8560b44 DW |
6912 | g_peer = peer->group->conf; |
6913 | ||
6914 | /* If the peer-group is active but peer is not, print a 'no activate' */ | |
6915 | if (g_peer->afc[afi][safi] && !peer->afc[afi][safi]) | |
6916 | { | |
6917 | afi_header_vty_out (vty, afi, safi, write, | |
6918 | " no neighbor %s activate%s", | |
6919 | addr, VTY_NEWLINE); | |
6920 | } | |
6921 | ||
6922 | /* If the peer-group is not active but peer is, print an 'activate' */ | |
6923 | else if (!g_peer->afc[afi][safi] && peer->afc[afi][safi]) | |
6924 | { | |
6925 | afi_header_vty_out (vty, afi, safi, write, | |
6926 | " neighbor %s activate%s", | |
6927 | addr, VTY_NEWLINE); | |
6928 | } | |
400b1fad | 6929 | } |
0b960b4d | 6930 | else |
c8560b44 DW |
6931 | { |
6932 | if (peer->afc[afi][safi]) | |
6933 | { | |
655f79c9 DD |
6934 | if ((afi == AFI_IP) && (safi == SAFI_UNICAST)) |
6935 | { | |
6936 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
6937 | { | |
a94d98ae DW |
6938 | afi_header_vty_out(vty, afi, safi, write, |
6939 | " neighbor %s activate%s", | |
6940 | addr, VTY_NEWLINE); | |
655f79c9 DD |
6941 | } |
6942 | } | |
6943 | else | |
6944 | afi_header_vty_out (vty, afi, safi, write, | |
6945 | " neighbor %s activate%s", | |
6946 | addr, VTY_NEWLINE); | |
c8560b44 | 6947 | } |
7709c62d DS |
6948 | else |
6949 | { | |
6950 | if ((afi == AFI_IP) && (safi == SAFI_UNICAST)) | |
6951 | { | |
6952 | if (!bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
6953 | { | |
6954 | afi_header_vty_out (vty, afi, safi, write, | |
6955 | " no neighbor %s activate%s", | |
6956 | addr, VTY_NEWLINE); | |
6957 | } | |
6958 | } | |
6959 | } | |
c8560b44 | 6960 | } |
718e3744 | 6961 | |
adbac85e DW |
6962 | /* addpath TX knobs */ |
6963 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ADDPATH_TX_ALL_PATHS)) | |
c8560b44 DW |
6964 | { |
6965 | afi_header_vty_out (vty, afi, safi, write, | |
6966 | " neighbor %s addpath-tx-all-paths%s", | |
6967 | addr, VTY_NEWLINE); | |
6968 | } | |
06370dac DW |
6969 | |
6970 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS)) | |
c8560b44 DW |
6971 | { |
6972 | afi_header_vty_out (vty, afi, safi, write, | |
6973 | " neighbor %s addpath-tx-bestpath-per-AS%s", | |
6974 | addr, VTY_NEWLINE); | |
6975 | } | |
adbac85e | 6976 | |
718e3744 | 6977 | /* ORF capability. */ |
88b8ed8d DW |
6978 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ORF_PREFIX_SM) || |
6979 | peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ORF_PREFIX_RM)) | |
718e3744 | 6980 | { |
400b1fad DW |
6981 | afi_header_vty_out (vty, afi, safi, write, |
6982 | " neighbor %s capability orf prefix-list", | |
6983 | addr); | |
718e3744 | 6984 | |
88b8ed8d DW |
6985 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ORF_PREFIX_SM) && |
6986 | peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ORF_PREFIX_RM)) | |
718e3744 | 6987 | vty_out (vty, " both"); |
88b8ed8d | 6988 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ORF_PREFIX_SM)) |
718e3744 | 6989 | vty_out (vty, " send"); |
6990 | else | |
6991 | vty_out (vty, " receive"); | |
6992 | vty_out (vty, "%s", VTY_NEWLINE); | |
6993 | } | |
6994 | ||
6995 | /* Route reflector client. */ | |
88b8ed8d | 6996 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_REFLECTOR_CLIENT)) |
400b1fad DW |
6997 | { |
6998 | afi_header_vty_out (vty, afi, safi, write, | |
6999 | " neighbor %s route-reflector-client%s", | |
7000 | addr, VTY_NEWLINE); | |
7001 | } | |
88b8ed8d DW |
7002 | |
7003 | /* next-hop-self force */ | |
7004 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_FORCE_NEXTHOP_SELF)) | |
400b1fad DW |
7005 | { |
7006 | afi_header_vty_out (vty, afi, safi, write, | |
7007 | " neighbor %s next-hop-self force%s", | |
7008 | addr, VTY_NEWLINE); | |
7009 | } | |
718e3744 | 7010 | |
88b8ed8d DW |
7011 | /* next-hop-self */ |
7012 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_NEXTHOP_SELF)) | |
400b1fad DW |
7013 | { |
7014 | afi_header_vty_out (vty, afi, safi, write, | |
7015 | " neighbor %s next-hop-self%s", | |
7016 | addr, VTY_NEWLINE); | |
7017 | } | |
718e3744 | 7018 | |
5000f21c | 7019 | /* remove-private-AS */ |
88b8ed8d | 7020 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE)) |
400b1fad DW |
7021 | { |
7022 | afi_header_vty_out (vty, afi, safi, write, | |
7023 | " neighbor %s remove-private-AS all replace-AS%s", | |
7024 | addr, VTY_NEWLINE); | |
7025 | } | |
5000f21c | 7026 | |
88b8ed8d | 7027 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE)) |
400b1fad DW |
7028 | { |
7029 | afi_header_vty_out (vty, afi, safi, write, | |
7030 | " neighbor %s remove-private-AS replace-AS%s", | |
7031 | addr, VTY_NEWLINE); | |
7032 | } | |
5000f21c | 7033 | |
88b8ed8d | 7034 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_REMOVE_PRIVATE_AS_ALL)) |
400b1fad DW |
7035 | { |
7036 | afi_header_vty_out (vty, afi, safi, write, | |
7037 | " neighbor %s remove-private-AS all%s", | |
7038 | addr, VTY_NEWLINE); | |
7039 | } | |
5000f21c | 7040 | |
88b8ed8d | 7041 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_REMOVE_PRIVATE_AS)) |
400b1fad DW |
7042 | { |
7043 | afi_header_vty_out (vty, afi, safi, write, | |
7044 | " neighbor %s remove-private-AS%s", | |
7045 | addr, VTY_NEWLINE); | |
7046 | } | |
718e3744 | 7047 | |
c7122e14 | 7048 | /* as-override */ |
88b8ed8d | 7049 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_AS_OVERRIDE)) |
400b1fad DW |
7050 | { |
7051 | afi_header_vty_out (vty, afi, safi, write, | |
7052 | " neighbor %s as-override%s", | |
7053 | addr, VTY_NEWLINE); | |
7054 | } | |
c7122e14 | 7055 | |
718e3744 | 7056 | /* send-community print. */ |
88b8ed8d | 7057 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) |
718e3744 | 7058 | { |
88b8ed8d | 7059 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY) |
57d187bc JS |
7060 | && peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY) |
7061 | && peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_LARGE_COMMUNITY)) | |
400b1fad DW |
7062 | { |
7063 | afi_header_vty_out (vty, afi, safi, write, | |
57d187bc JS |
7064 | " neighbor %s send-community all%s", |
7065 | addr, VTY_NEWLINE); | |
7066 | } | |
7067 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_LARGE_COMMUNITY)) | |
7068 | { | |
7069 | afi_header_vty_out (vty, afi, safi, write, | |
7070 | " neighbor %s send-community large%s", | |
400b1fad DW |
7071 | addr, VTY_NEWLINE); |
7072 | } | |
88b8ed8d | 7073 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) |
400b1fad DW |
7074 | { |
7075 | afi_header_vty_out (vty, afi, safi, write, | |
7076 | " neighbor %s send-community extended%s", | |
7077 | addr, VTY_NEWLINE); | |
7078 | } | |
88b8ed8d | 7079 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY)) |
400b1fad DW |
7080 | { |
7081 | afi_header_vty_out (vty, afi, safi, write, | |
7082 | " neighbor %s send-community%s", | |
7083 | addr, VTY_NEWLINE); | |
7084 | } | |
88b8ed8d DW |
7085 | } |
7086 | else | |
7087 | { | |
7088 | if (!peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY) && | |
ad695d6e | 7089 | (!g_peer || peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_SEND_COMMUNITY)) && |
88b8ed8d | 7090 | !peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY) && |
57d187bc JS |
7091 | (!g_peer || peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) && |
7092 | !peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_LARGE_COMMUNITY) && | |
7093 | (!g_peer || peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_SEND_LARGE_COMMUNITY))) | |
7094 | { | |
7095 | afi_header_vty_out (vty, afi, safi, write, | |
7096 | " no neighbor %s send-community all%s", | |
7097 | addr, VTY_NEWLINE); | |
7098 | } | |
62d8f9a8 | 7099 | else |
400b1fad | 7100 | { |
62d8f9a8 DW |
7101 | if (!peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_LARGE_COMMUNITY) && |
7102 | (!g_peer || peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_SEND_LARGE_COMMUNITY))) | |
7103 | { | |
7104 | afi_header_vty_out (vty, afi, safi, write, | |
7105 | " no neighbor %s send-community large%s", | |
7106 | addr, VTY_NEWLINE); | |
7107 | } | |
7108 | ||
7109 | if (!peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY) && | |
7110 | (!g_peer || peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY))) | |
7111 | { | |
7112 | afi_header_vty_out (vty, afi, safi, write, | |
7113 | " no neighbor %s send-community extended%s", | |
7114 | addr, VTY_NEWLINE); | |
7115 | } | |
7116 | ||
7117 | if (!peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY) && | |
7118 | (!g_peer || peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_SEND_COMMUNITY))) | |
7119 | { | |
7120 | afi_header_vty_out (vty, afi, safi, write, | |
7121 | " no neighbor %s send-community%s", | |
7122 | addr, VTY_NEWLINE); | |
7123 | } | |
400b1fad | 7124 | } |
718e3744 | 7125 | } |
7126 | ||
7127 | /* Default information */ | |
88b8ed8d DW |
7128 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_DEFAULT_ORIGINATE) || |
7129 | (g_peer && | |
7130 | ((peer->default_rmap[afi][safi].name && !g_peer->default_rmap[afi][safi].name) || | |
7131 | (!peer->default_rmap[afi][safi].name && g_peer->default_rmap[afi][safi].name) || | |
7132 | (peer->default_rmap[afi][safi].name && | |
7133 | strcmp(peer->default_rmap[afi][safi].name, g_peer->default_rmap[afi][safi].name))))) | |
718e3744 | 7134 | { |
400b1fad DW |
7135 | afi_header_vty_out (vty, afi, safi, write, |
7136 | " neighbor %s default-originate", addr); | |
718e3744 | 7137 | if (peer->default_rmap[afi][safi].name) |
88b8ed8d | 7138 | vty_out (vty, " route-map %s", peer->default_rmap[afi][safi].name); |
718e3744 | 7139 | vty_out (vty, "%s", VTY_NEWLINE); |
7140 | } | |
7141 | ||
7142 | /* Soft reconfiguration inbound. */ | |
88b8ed8d | 7143 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SOFT_RECONFIG)) |
400b1fad DW |
7144 | { |
7145 | afi_header_vty_out (vty, afi, safi, write, | |
7146 | " neighbor %s soft-reconfiguration inbound%s", | |
7147 | addr, VTY_NEWLINE); | |
7148 | } | |
718e3744 | 7149 | |
7150 | /* maximum-prefix. */ | |
7151 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) | |
c8560b44 | 7152 | if (! peer_group_active(peer) |
718e3744 | 7153 | || g_peer->pmax[afi][safi] != peer->pmax[afi][safi] |
e0701b79 | 7154 | || g_peer->pmax_threshold[afi][safi] != peer->pmax_threshold[afi][safi] |
718e3744 | 7155 | || CHECK_FLAG (g_peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING) |
7156 | != CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) | |
e0701b79 | 7157 | { |
400b1fad | 7158 | afi_header_vty_out (vty, afi, safi, write, |
85e11c23 | 7159 | " neighbor %s maximum-prefix %lu", |
400b1fad | 7160 | addr, peer->pmax[afi][safi]); |
0a486e5f | 7161 | if (peer->pmax_threshold[afi][safi] != MAXIMUM_PREFIX_THRESHOLD_DEFAULT) |
7162 | vty_out (vty, " %d", peer->pmax_threshold[afi][safi]); | |
7163 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) | |
7164 | vty_out (vty, " warning-only"); | |
7165 | if (peer->pmax_restart[afi][safi]) | |
7166 | vty_out (vty, " restart %d", peer->pmax_restart[afi][safi]); | |
7167 | vty_out (vty, "%s", VTY_NEWLINE); | |
e0701b79 | 7168 | } |
718e3744 | 7169 | |
7170 | /* Route server client. */ | |
88b8ed8d | 7171 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_RSERVER_CLIENT)) |
400b1fad DW |
7172 | { |
7173 | afi_header_vty_out (vty, afi, safi, write, | |
7174 | " neighbor %s route-server-client%s", | |
7175 | addr, VTY_NEWLINE); | |
7176 | } | |
718e3744 | 7177 | |
3cf1288b | 7178 | /* Nexthop-local unchanged. */ |
88b8ed8d | 7179 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED)) |
400b1fad DW |
7180 | { |
7181 | afi_header_vty_out (vty, afi, safi, write, | |
7182 | " neighbor %s nexthop-local unchanged%s", | |
7183 | addr, VTY_NEWLINE); | |
7184 | } | |
3cf1288b | 7185 | |
aac9ef6c | 7186 | /* allowas-in <1-10> */ |
718e3744 | 7187 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_ALLOWAS_IN)) |
aac9ef6c DW |
7188 | { |
7189 | if (! peer_group_active (peer) | |
7190 | || ! peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_ALLOWAS_IN) | |
7191 | || peer->allowas_in[afi][safi] != g_peer->allowas_in[afi][safi]) | |
7192 | { | |
7193 | if (peer->allowas_in[afi][safi] == 3) | |
7194 | { | |
7195 | afi_header_vty_out (vty, afi, safi, write, | |
7196 | " neighbor %s allowas-in%s", | |
7197 | addr, VTY_NEWLINE); | |
7198 | } | |
7199 | else | |
7200 | { | |
7201 | afi_header_vty_out (vty, afi, safi, write, | |
7202 | " neighbor %s allowas-in %d%s", | |
7203 | addr, peer->allowas_in[afi][safi], VTY_NEWLINE); | |
7204 | } | |
7205 | } | |
7206 | } | |
7207 | ||
7208 | /* allowas-in origin */ | |
7209 | else if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
7210 | { | |
7211 | if (! peer_group_active (peer) | |
7212 | || ! peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
7213 | { | |
7214 | afi_header_vty_out (vty, afi, safi, write, | |
7215 | " neighbor %s allowas-in origin%s", | |
7216 | addr, VTY_NEWLINE); | |
7217 | } | |
7218 | } | |
718e3744 | 7219 | |
d93f7ffc DW |
7220 | /* weight */ |
7221 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_WEIGHT)) | |
7222 | if (! peer_group_active (peer) | |
7223 | || ! peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_WEIGHT) | |
7224 | || peer->weight[afi][safi] != g_peer->weight[afi][safi]) | |
7225 | { | |
7226 | if (peer->weight[afi][safi]) | |
7227 | { | |
7228 | afi_header_vty_out (vty, afi, safi, write, | |
7229 | " neighbor %s weight %d%s", | |
7230 | addr, peer->weight[afi][safi], VTY_NEWLINE); | |
7231 | } | |
7232 | } | |
7233 | ||
718e3744 | 7234 | /* Filter. */ |
400b1fad | 7235 | bgp_config_write_filter (vty, peer, afi, safi, write); |
718e3744 | 7236 | |
7237 | /* atribute-unchanged. */ | |
88b8ed8d | 7238 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_AS_PATH_UNCHANGED) |
718e3744 | 7239 | || CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_NEXTHOP_UNCHANGED) |
7240 | || CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MED_UNCHANGED)) | |
718e3744 | 7241 | { |
88b8ed8d DW |
7242 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_AS_PATH_UNCHANGED) |
7243 | && peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_NEXTHOP_UNCHANGED) | |
7244 | && peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_MED_UNCHANGED)) | |
400b1fad DW |
7245 | { |
7246 | afi_header_vty_out (vty, afi, safi, write, | |
7247 | " neighbor %s attribute-unchanged%s", | |
7248 | addr, VTY_NEWLINE); | |
7249 | } | |
718e3744 | 7250 | else |
400b1fad DW |
7251 | { |
7252 | afi_header_vty_out (vty, afi, safi, write, | |
7253 | " neighbor %s attribute-unchanged%s%s%s%s", addr, | |
7254 | peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_AS_PATH_UNCHANGED) ? | |
7255 | " as-path" : "", | |
7256 | peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_NEXTHOP_UNCHANGED) ? | |
7257 | " next-hop" : "", | |
7258 | peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_MED_UNCHANGED) ? | |
7259 | " med" : "", VTY_NEWLINE); | |
7260 | } | |
718e3744 | 7261 | } |
7262 | } | |
7263 | ||
7264 | /* Display "address-family" configuration header. */ | |
7265 | void | |
7266 | bgp_config_write_family_header (struct vty *vty, afi_t afi, safi_t safi, | |
7267 | int *write) | |
7268 | { | |
7269 | if (*write) | |
7270 | return; | |
7271 | ||
3914b418 | 7272 | vty_out (vty, " !%s address-family ", VTY_NEWLINE); |
718e3744 | 7273 | |
7274 | if (afi == AFI_IP) | |
7275 | { | |
0b960b4d DW |
7276 | if (safi == SAFI_UNICAST) |
7277 | vty_out (vty, "ipv4 unicast"); | |
f51bae9c DS |
7278 | else if (safi == SAFI_LABELED_UNICAST) |
7279 | vty_out (vty, "ipv4 labeled-unicast"); | |
0b960b4d | 7280 | else if (safi == SAFI_MULTICAST) |
718e3744 | 7281 | vty_out (vty, "ipv4 multicast"); |
7282 | else if (safi == SAFI_MPLS_VPN) | |
794a2e0b | 7283 | vty_out (vty, "ipv4 vpn"); |
8b1fb8be | 7284 | else if (safi == SAFI_ENCAP) |
794a2e0b | 7285 | vty_out (vty, "ipv4 encap"); |
718e3744 | 7286 | } |
7287 | else if (afi == AFI_IP6) | |
37a217a5 | 7288 | { |
0b960b4d DW |
7289 | if (safi == SAFI_UNICAST) |
7290 | vty_out (vty, "ipv6 unicast"); | |
f51bae9c DS |
7291 | else if (safi == SAFI_LABELED_UNICAST) |
7292 | vty_out (vty, "ipv6 labeled-unicast"); | |
0b960b4d DW |
7293 | else if (safi == SAFI_MULTICAST) |
7294 | vty_out (vty, "ipv6 multicast"); | |
8ecd3266 | 7295 | else if (safi == SAFI_MPLS_VPN) |
794a2e0b | 7296 | vty_out (vty, "ipv6 vpn"); |
8b1fb8be | 7297 | else if (safi == SAFI_ENCAP) |
794a2e0b | 7298 | vty_out (vty, "ipv6 encap"); |
37a217a5 | 7299 | } |
3d6c0dfa PG |
7300 | else if (afi == AFI_L2VPN) |
7301 | { | |
7302 | if (safi == SAFI_EVPN) | |
e2858b13 | 7303 | vty_out (vty, "l2vpn evpn"); |
3d6c0dfa | 7304 | } |
718e3744 | 7305 | vty_out (vty, "%s", VTY_NEWLINE); |
7306 | ||
7307 | *write = 1; | |
7308 | } | |
7309 | ||
7310 | /* Address family based peer configuration display. */ | |
94f2b392 | 7311 | static int |
718e3744 | 7312 | bgp_config_write_family (struct vty *vty, struct bgp *bgp, afi_t afi, |
7313 | safi_t safi) | |
7314 | { | |
7315 | int write = 0; | |
7316 | struct peer *peer; | |
7317 | struct peer_group *group; | |
1eb8ef25 | 7318 | struct listnode *node, *nnode; |
718e3744 | 7319 | |
734b349e MZ |
7320 | bgp_config_write_distance (vty, bgp, afi, safi, &write); |
7321 | ||
718e3744 | 7322 | bgp_config_write_network (vty, bgp, afi, safi, &write); |
7323 | ||
7324 | bgp_config_write_redistribute (vty, bgp, afi, safi, &write); | |
7325 | ||
1eb8ef25 | 7326 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
400b1fad DW |
7327 | bgp_config_write_peer_af (vty, bgp, group->conf, afi, safi, &write); |
7328 | ||
1eb8ef25 | 7329 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 7330 | { |
f14e6fdb DS |
7331 | /* Skip dynamic neighbors. */ |
7332 | if (peer_dynamic_neighbor (peer)) | |
7333 | continue; | |
7334 | ||
400b1fad DW |
7335 | /* Do not display doppelganger peers */ |
7336 | if (CHECK_FLAG (peer->flags, PEER_FLAG_CONFIG_NODE)) | |
7337 | bgp_config_write_peer_af (vty, bgp, peer, afi, safi, &write); | |
718e3744 | 7338 | } |
165b5fff JB |
7339 | |
7340 | bgp_config_write_maxpaths (vty, bgp, afi, safi, &write); | |
73ac8160 | 7341 | bgp_config_write_table_map (vty, bgp, afi, safi, &write); |
165b5fff | 7342 | |
718e3744 | 7343 | if (write) |
7344 | vty_out (vty, " exit-address-family%s", VTY_NEWLINE); | |
7345 | ||
7346 | return write; | |
7347 | } | |
7348 | ||
7349 | int | |
7350 | bgp_config_write (struct vty *vty) | |
7351 | { | |
7352 | int write = 0; | |
7353 | struct bgp *bgp; | |
7354 | struct peer_group *group; | |
7355 | struct peer *peer; | |
1eb8ef25 | 7356 | struct listnode *node, *nnode; |
7357 | struct listnode *mnode, *mnnode; | |
718e3744 | 7358 | |
7359 | /* BGP Multiple instance. */ | |
b8fd6a15 | 7360 | if (!bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) |
718e3744 | 7361 | { |
b8fd6a15 | 7362 | vty_out (vty, "no bgp multiple-instance%s", VTY_NEWLINE); |
718e3744 | 7363 | write++; |
7364 | } | |
7365 | ||
7366 | /* BGP Config type. */ | |
7367 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
7368 | { | |
7369 | vty_out (vty, "bgp config-type cisco%s", VTY_NEWLINE); | |
7370 | write++; | |
7371 | } | |
7372 | ||
5fe9f963 | 7373 | if (bm->rmap_update_timer != RMAP_DEFAULT_UPDATE_TIMER) |
7374 | vty_out (vty, "bgp route-map delay-timer %d%s", bm->rmap_update_timer, | |
7375 | VTY_NEWLINE); | |
7376 | ||
718e3744 | 7377 | /* BGP configuration. */ |
1eb8ef25 | 7378 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 7379 | { |
7380 | if (write) | |
7381 | vty_out (vty, "!%s", VTY_NEWLINE); | |
7382 | ||
7383 | /* Router bgp ASN */ | |
aea339f7 | 7384 | vty_out (vty, "router bgp %u", bgp->as); |
718e3744 | 7385 | |
7386 | if (bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) | |
7387 | { | |
7388 | if (bgp->name) | |
ad4cbda1 | 7389 | vty_out (vty, " %s %s", |
7390 | (bgp->inst_type == BGP_INSTANCE_TYPE_VIEW) ? | |
7391 | "view" : "vrf", bgp->name); | |
718e3744 | 7392 | } |
7393 | vty_out (vty, "%s", VTY_NEWLINE); | |
7394 | ||
7395 | /* No Synchronization */ | |
7396 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
7397 | vty_out (vty, " no synchronization%s", VTY_NEWLINE); | |
7398 | ||
7399 | /* BGP fast-external-failover. */ | |
7400 | if (CHECK_FLAG (bgp->flags, BGP_FLAG_NO_FAST_EXT_FAILOVER)) | |
7401 | vty_out (vty, " no bgp fast-external-failover%s", VTY_NEWLINE); | |
7402 | ||
7403 | /* BGP router ID. */ | |
c2d58d6d | 7404 | if (bgp->router_id_static.s_addr != 0) |
7405 | vty_out (vty, " bgp router-id %s%s", | |
7406 | inet_ntoa (bgp->router_id_static), VTY_NEWLINE); | |
718e3744 | 7407 | |
848973c7 | 7408 | /* BGP log-neighbor-changes. */ |
8efe88ea DL |
7409 | if (!!bgp_flag_check (bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES) |
7410 | != DFLT_BGP_LOG_NEIGHBOR_CHANGES) | |
7411 | vty_out (vty, " %sbgp log-neighbor-changes%s", | |
7412 | bgp_flag_check (bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES) ? "" : "no ", | |
7413 | VTY_NEWLINE); | |
848973c7 | 7414 | |
718e3744 | 7415 | /* BGP configuration. */ |
7416 | if (bgp_flag_check (bgp, BGP_FLAG_ALWAYS_COMPARE_MED)) | |
7417 | vty_out (vty, " bgp always-compare-med%s", VTY_NEWLINE); | |
7418 | ||
7419 | /* BGP default ipv4-unicast. */ | |
7420 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
7421 | vty_out (vty, " no bgp default ipv4-unicast%s", VTY_NEWLINE); | |
7422 | ||
7423 | /* BGP default local-preference. */ | |
7424 | if (bgp->default_local_pref != BGP_DEFAULT_LOCAL_PREF) | |
7425 | vty_out (vty, " bgp default local-preference %d%s", | |
7426 | bgp->default_local_pref, VTY_NEWLINE); | |
7427 | ||
04b6bdc0 | 7428 | /* BGP default show-hostname */ |
8efe88ea DL |
7429 | if (!!bgp_flag_check(bgp, BGP_FLAG_SHOW_HOSTNAME) |
7430 | != DFLT_BGP_SHOW_HOSTNAME) | |
7431 | vty_out (vty, " %sbgp default show-hostname%s", | |
7432 | bgp_flag_check (bgp, BGP_FLAG_SHOW_HOSTNAME) ? "" : "no ", | |
7433 | VTY_NEWLINE); | |
04b6bdc0 | 7434 | |
3f9c7369 DS |
7435 | /* BGP default subgroup-pkt-queue-max. */ |
7436 | if (bgp->default_subgroup_pkt_queue_max != BGP_DEFAULT_SUBGROUP_PKT_QUEUE_MAX) | |
7437 | vty_out (vty, " bgp default subgroup-pkt-queue-max %d%s", | |
7438 | bgp->default_subgroup_pkt_queue_max, VTY_NEWLINE); | |
7439 | ||
718e3744 | 7440 | /* BGP client-to-client reflection. */ |
7441 | if (bgp_flag_check (bgp, BGP_FLAG_NO_CLIENT_TO_CLIENT)) | |
7442 | vty_out (vty, " no bgp client-to-client reflection%s", VTY_NEWLINE); | |
7443 | ||
7444 | /* BGP cluster ID. */ | |
7445 | if (CHECK_FLAG (bgp->config, BGP_CONFIG_CLUSTER_ID)) | |
7446 | vty_out (vty, " bgp cluster-id %s%s", inet_ntoa (bgp->cluster_id), | |
7447 | VTY_NEWLINE); | |
7448 | ||
907f92c8 DS |
7449 | /* Disable ebgp connected nexthop check */ |
7450 | if (bgp_flag_check (bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK)) | |
7451 | vty_out (vty, " bgp disable-ebgp-connected-route-check%s", VTY_NEWLINE); | |
7452 | ||
e0701b79 | 7453 | /* Confederation identifier*/ |
718e3744 | 7454 | if (CHECK_FLAG (bgp->config, BGP_CONFIG_CONFEDERATION)) |
e0701b79 | 7455 | vty_out (vty, " bgp confederation identifier %i%s", bgp->confed_id, |
7456 | VTY_NEWLINE); | |
7457 | ||
7458 | /* Confederation peer */ | |
7459 | if (bgp->confed_peers_cnt > 0) | |
718e3744 | 7460 | { |
e0701b79 | 7461 | int i; |
718e3744 | 7462 | |
e0701b79 | 7463 | vty_out (vty, " bgp confederation peers"); |
718e3744 | 7464 | |
e0701b79 | 7465 | for (i = 0; i < bgp->confed_peers_cnt; i++) |
aea339f7 | 7466 | vty_out(vty, " %u", bgp->confed_peers[i]); |
718e3744 | 7467 | |
e0701b79 | 7468 | vty_out (vty, "%s", VTY_NEWLINE); |
718e3744 | 7469 | } |
7470 | ||
7471 | /* BGP enforce-first-as. */ | |
7472 | if (bgp_flag_check (bgp, BGP_FLAG_ENFORCE_FIRST_AS)) | |
7473 | vty_out (vty, " bgp enforce-first-as%s", VTY_NEWLINE); | |
7474 | ||
7475 | /* BGP deterministic-med. */ | |
8efe88ea DL |
7476 | if (!!bgp_flag_check (bgp, BGP_FLAG_DETERMINISTIC_MED) |
7477 | != DFLT_BGP_DETERMINISTIC_MED) | |
7478 | vty_out (vty, " %sbgp deterministic-med%s", | |
7479 | bgp_flag_check (bgp, BGP_FLAG_DETERMINISTIC_MED) ? "" : "no ", | |
7480 | VTY_NEWLINE); | |
538621f2 | 7481 | |
f188f2c4 DS |
7482 | /* BGP update-delay. */ |
7483 | bgp_config_write_update_delay (vty, bgp); | |
7484 | ||
abc920f8 DS |
7485 | if (bgp->v_maxmed_onstartup != BGP_MAXMED_ONSTARTUP_UNCONFIGURED) |
7486 | { | |
7487 | vty_out (vty, " bgp max-med on-startup %d", bgp->v_maxmed_onstartup); | |
7488 | if (bgp->maxmed_onstartup_value != BGP_MAXMED_VALUE_DEFAULT) | |
7489 | vty_out (vty, " %d", bgp->maxmed_onstartup_value); | |
7490 | vty_out (vty, "%s", VTY_NEWLINE); | |
7491 | } | |
7492 | if (bgp->v_maxmed_admin != BGP_MAXMED_ADMIN_UNCONFIGURED) | |
7493 | { | |
7494 | vty_out (vty, " bgp max-med administrative"); | |
7495 | if (bgp->maxmed_admin_value != BGP_MAXMED_VALUE_DEFAULT) | |
7496 | vty_out (vty, " %d", bgp->maxmed_admin_value); | |
7497 | vty_out (vty, "%s", VTY_NEWLINE); | |
7498 | } | |
7499 | ||
cb1faec9 DS |
7500 | /* write quanta */ |
7501 | bgp_config_write_wpkt_quanta (vty, bgp); | |
7502 | ||
3f9c7369 DS |
7503 | /* coalesce time */ |
7504 | bgp_config_write_coalesce_time(vty, bgp); | |
7505 | ||
538621f2 | 7506 | /* BGP graceful-restart. */ |
93406d87 | 7507 | if (bgp->stalepath_time != BGP_DEFAULT_STALEPATH_TIME) |
7508 | vty_out (vty, " bgp graceful-restart stalepath-time %d%s", | |
7509 | bgp->stalepath_time, VTY_NEWLINE); | |
eb6f1b41 PG |
7510 | if (bgp->restart_time != BGP_DEFAULT_RESTART_TIME) |
7511 | vty_out (vty, " bgp graceful-restart restart-time %d%s", | |
7512 | bgp->restart_time, VTY_NEWLINE); | |
538621f2 | 7513 | if (bgp_flag_check (bgp, BGP_FLAG_GRACEFUL_RESTART)) |
7514 | vty_out (vty, " bgp graceful-restart%s", VTY_NEWLINE); | |
7515 | ||
43fc21b3 JC |
7516 | /* BGP graceful-restart Preserve State F bit. */ |
7517 | if (bgp_flag_check (bgp, BGP_FLAG_GR_PRESERVE_FWD)) | |
7518 | vty_out (vty, " bgp graceful-restart preserve-fw-state%s", VTY_NEWLINE); | |
7519 | ||
718e3744 | 7520 | /* BGP bestpath method. */ |
7521 | if (bgp_flag_check (bgp, BGP_FLAG_ASPATH_IGNORE)) | |
7522 | vty_out (vty, " bgp bestpath as-path ignore%s", VTY_NEWLINE); | |
6811845b | 7523 | if (bgp_flag_check (bgp, BGP_FLAG_ASPATH_CONFED)) |
7524 | vty_out (vty, " bgp bestpath as-path confed%s", VTY_NEWLINE); | |
16fc1eec | 7525 | |
219178b6 DW |
7526 | if (bgp_flag_check (bgp, BGP_FLAG_ASPATH_MULTIPATH_RELAX)) |
7527 | { | |
7528 | if (bgp_flag_check (bgp, BGP_FLAG_MULTIPATH_RELAX_AS_SET)) | |
7529 | { | |
7530 | vty_out (vty, " bgp bestpath as-path multipath-relax as-set%s", VTY_NEWLINE); | |
7531 | } | |
7dc9d4e4 DW |
7532 | else |
7533 | { | |
7534 | vty_out (vty, " bgp bestpath as-path multipath-relax%s", VTY_NEWLINE); | |
7535 | } | |
16fc1eec | 7536 | } |
16fc1eec | 7537 | |
8bd9d948 DS |
7538 | if (bgp_flag_check (bgp, BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY)) { |
7539 | vty_out (vty, " bgp route-reflector allow-outbound-policy%s", | |
7540 | VTY_NEWLINE); | |
7541 | } | |
718e3744 | 7542 | if (bgp_flag_check (bgp, BGP_FLAG_COMPARE_ROUTER_ID)) |
7543 | vty_out (vty, " bgp bestpath compare-routerid%s", VTY_NEWLINE); | |
7544 | if (bgp_flag_check (bgp, BGP_FLAG_MED_CONFED) | |
7545 | || bgp_flag_check (bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
7546 | { | |
7547 | vty_out (vty, " bgp bestpath med"); | |
7548 | if (bgp_flag_check (bgp, BGP_FLAG_MED_CONFED)) | |
7549 | vty_out (vty, " confed"); | |
7550 | if (bgp_flag_check (bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
7551 | vty_out (vty, " missing-as-worst"); | |
7552 | vty_out (vty, "%s", VTY_NEWLINE); | |
7553 | } | |
7554 | ||
7555 | /* BGP network import check. */ | |
8efe88ea DL |
7556 | if (!!bgp_flag_check (bgp, BGP_FLAG_IMPORT_CHECK) |
7557 | != DFLT_BGP_IMPORT_CHECK) | |
7558 | vty_out (vty, " %sbgp network import-check%s", | |
7559 | bgp_flag_check (bgp, BGP_FLAG_IMPORT_CHECK) ? "" : "no ", | |
7560 | VTY_NEWLINE); | |
718e3744 | 7561 | |
718e3744 | 7562 | /* BGP flag dampening. */ |
7563 | if (CHECK_FLAG (bgp->af_flags[AFI_IP][SAFI_UNICAST], | |
7564 | BGP_CONFIG_DAMPENING)) | |
7565 | bgp_config_write_damp (vty); | |
7566 | ||
718e3744 | 7567 | /* BGP timers configuration. */ |
7568 | if (bgp->default_keepalive != BGP_DEFAULT_KEEPALIVE | |
7569 | && bgp->default_holdtime != BGP_DEFAULT_HOLDTIME) | |
7570 | vty_out (vty, " timers bgp %d %d%s", bgp->default_keepalive, | |
7571 | bgp->default_holdtime, VTY_NEWLINE); | |
7572 | ||
7573 | /* peer-group */ | |
1eb8ef25 | 7574 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 7575 | { |
0b960b4d | 7576 | bgp_config_write_peer_global (vty, bgp, group->conf); |
718e3744 | 7577 | } |
7578 | ||
7579 | /* Normal neighbor configuration. */ | |
1eb8ef25 | 7580 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 7581 | { |
1ff9a340 | 7582 | if (CHECK_FLAG (peer->flags, PEER_FLAG_CONFIG_NODE)) |
0b960b4d | 7583 | bgp_config_write_peer_global (vty, bgp, peer); |
718e3744 | 7584 | } |
7585 | ||
f14e6fdb DS |
7586 | /* listen range and limit for dynamic BGP neighbors */ |
7587 | bgp_config_write_listen (vty, bgp); | |
7588 | ||
718e3744 | 7589 | /* No auto-summary */ |
7590 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
7591 | vty_out (vty, " no auto-summary%s", VTY_NEWLINE); | |
7592 | ||
0b960b4d DW |
7593 | /* IPv4 unicast configuration. */ |
7594 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_UNICAST); | |
7595 | ||
718e3744 | 7596 | /* IPv4 multicast configuration. */ |
7597 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_MULTICAST); | |
7598 | ||
f51bae9c DS |
7599 | /* IPv4 labeled-unicast configuration. */ |
7600 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_LABELED_UNICAST); | |
7601 | ||
718e3744 | 7602 | /* IPv4 VPN configuration. */ |
7603 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_MPLS_VPN); | |
7604 | ||
8b1fb8be LB |
7605 | /* ENCAPv4 configuration. */ |
7606 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_ENCAP); | |
7607 | ||
718e3744 | 7608 | /* IPv6 unicast configuration. */ |
7609 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_UNICAST); | |
7610 | ||
37a217a5 PJ |
7611 | /* IPv6 multicast configuration. */ |
7612 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_MULTICAST); | |
7613 | ||
f51bae9c DS |
7614 | /* IPv6 labeled-unicast configuration. */ |
7615 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_LABELED_UNICAST); | |
7616 | ||
8ecd3266 | 7617 | /* IPv6 VPN configuration. */ |
7618 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_MPLS_VPN); | |
7619 | ||
8b1fb8be LB |
7620 | /* ENCAPv6 configuration. */ |
7621 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_ENCAP); | |
7622 | ||
3d6c0dfa PG |
7623 | /* EVPN configuration. */ |
7624 | write += bgp_config_write_family (vty, bgp, AFI_L2VPN, SAFI_EVPN); | |
7625 | ||
65efcfce LB |
7626 | #if ENABLE_BGP_VNC |
7627 | write += bgp_rfapi_cfg_write(vty, bgp); | |
7628 | #endif | |
7629 | ||
718e3744 | 7630 | write++; |
7631 | } | |
7632 | return write; | |
7633 | } | |
7634 | ||
7635 | void | |
4f04a76b | 7636 | bgp_master_init (struct thread_master *master) |
718e3744 | 7637 | { |
0e64d123 DL |
7638 | qobj_init (); |
7639 | ||
718e3744 | 7640 | memset (&bgp_master, 0, sizeof (struct bgp_master)); |
7641 | ||
7642 | bm = &bgp_master; | |
7643 | bm->bgp = list_new (); | |
0df7c91f | 7644 | bm->listen_sockets = list_new (); |
718e3744 | 7645 | bm->port = BGP_PORT_DEFAULT; |
4f04a76b | 7646 | bm->master = master; |
65957886 | 7647 | bm->start_time = bgp_clock (); |
5fe9f963 | 7648 | bm->t_rmap_update = NULL; |
7649 | bm->rmap_update_timer = RMAP_DEFAULT_UPDATE_TIMER; | |
495f0b13 DS |
7650 | |
7651 | bgp_process_queue_init(); | |
b8fd6a15 | 7652 | |
7653 | /* Enable multiple instances by default. */ | |
7654 | bgp_option_set (BGP_OPT_MULTIPLE_INSTANCE); | |
19df7279 DL |
7655 | |
7656 | QOBJ_REG (bm, bgp_master); | |
718e3744 | 7657 | } |
200df115 | 7658 | |
ad4cbda1 | 7659 | /* |
009b18fc | 7660 | * Free up connected routes and interfaces for a BGP instance. Invoked upon |
7661 | * instance delete (non-default only) or BGP exit. | |
ad4cbda1 | 7662 | */ |
b33adb7c | 7663 | static void |
009b18fc | 7664 | bgp_if_finish (struct bgp *bgp) |
ad4cbda1 | 7665 | { |
009b18fc | 7666 | struct listnode *ifnode, *ifnnode; |
7667 | struct interface *ifp; | |
ad4cbda1 | 7668 | |
009b18fc | 7669 | if (bgp->inst_type == BGP_INSTANCE_TYPE_VIEW) |
7670 | return; | |
ad4cbda1 | 7671 | |
009b18fc | 7672 | for (ALL_LIST_ELEMENTS (vrf_iflist(bgp->vrf_id), ifnode, ifnnode, ifp)) |
7673 | { | |
7674 | struct listnode *c_node, *c_nnode; | |
7675 | struct connected *c; | |
ad4cbda1 | 7676 | |
009b18fc | 7677 | for (ALL_LIST_ELEMENTS (ifp->connected, c_node, c_nnode, c)) |
7678 | bgp_connected_delete (bgp, c); | |
ad4cbda1 | 7679 | } |
7680 | } | |
6b0655a2 | 7681 | |
3012671f DL |
7682 | extern void bgp_snmp_init (void); |
7683 | ||
718e3744 | 7684 | void |
94f2b392 | 7685 | bgp_init (void) |
718e3744 | 7686 | { |
fc9a856f DS |
7687 | |
7688 | /* allocates some vital data structures used by peer commands in vty_init */ | |
718e3744 | 7689 | |
718e3744 | 7690 | /* Init zebra. */ |
9229d914 | 7691 | bgp_zebra_init(bm->master); |
718e3744 | 7692 | |
65efcfce LB |
7693 | #if ENABLE_BGP_VNC |
7694 | vnc_zebra_init (bm->master); | |
7695 | #endif | |
7696 | ||
fc9a856f DS |
7697 | /* BGP VTY commands installation. */ |
7698 | bgp_vty_init (); | |
7699 | ||
718e3744 | 7700 | /* BGP inits. */ |
7701 | bgp_attr_init (); | |
7702 | bgp_debug_init (); | |
7703 | bgp_dump_init (); | |
7704 | bgp_route_init (); | |
7705 | bgp_route_map_init (); | |
fc9a856f | 7706 | bgp_scan_vty_init(); |
718e3744 | 7707 | bgp_mplsvpn_init (); |
65efcfce LB |
7708 | #if ENABLE_BGP_VNC |
7709 | rfapi_init (); | |
7710 | #endif | |
784d3a42 | 7711 | bgp_ethernetvpn_init (); |
718e3744 | 7712 | |
7713 | /* Access list initialize. */ | |
7714 | access_list_init (); | |
7715 | access_list_add_hook (peer_distribute_update); | |
7716 | access_list_delete_hook (peer_distribute_update); | |
7717 | ||
7718 | /* Filter list initialize. */ | |
7719 | bgp_filter_init (); | |
518f0eb1 DS |
7720 | as_list_add_hook (peer_aslist_add); |
7721 | as_list_delete_hook (peer_aslist_del); | |
718e3744 | 7722 | |
7723 | /* Prefix list initialize.*/ | |
7724 | prefix_list_init (); | |
7725 | prefix_list_add_hook (peer_prefix_list_update); | |
7726 | prefix_list_delete_hook (peer_prefix_list_update); | |
7727 | ||
7728 | /* Community list initialize. */ | |
7729 | bgp_clist = community_list_init (); | |
7730 | ||
c43ed2e4 DS |
7731 | /* BFD init */ |
7732 | bgp_bfd_init(); | |
718e3744 | 7733 | } |
545acafb | 7734 | |
7735 | void | |
66e5cd87 | 7736 | bgp_terminate (void) |
545acafb | 7737 | { |
545acafb | 7738 | struct bgp *bgp; |
7739 | struct peer *peer; | |
1eb8ef25 | 7740 | struct listnode *node, *nnode; |
7741 | struct listnode *mnode, *mnnode; | |
545acafb | 7742 | |
19df7279 DL |
7743 | QOBJ_UNREG (bm); |
7744 | ||
1ff9a340 DS |
7745 | /* Close the listener sockets first as this prevents peers from attempting |
7746 | * to reconnect on receiving the peer unconfig message. In the presence | |
7747 | * of a large number of peers this will ensure that no peer is left with | |
7748 | * a dangling connection | |
7749 | */ | |
7750 | /* reverse bgp_master_init */ | |
7751 | bgp_close(); | |
7752 | if (bm->listen_sockets) | |
7753 | list_free(bm->listen_sockets); | |
7754 | bm->listen_sockets = NULL; | |
7755 | ||
1eb8ef25 | 7756 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
7757 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) | |
1ff9a340 DS |
7758 | if (peer->status == Established || |
7759 | peer->status == OpenSent || | |
7760 | peer->status == OpenConfirm) | |
545acafb | 7761 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, |
7762 | BGP_NOTIFY_CEASE_PEER_UNCONFIG); | |
1ff9a340 | 7763 | |
e210cf9f | 7764 | if (bm->process_main_queue) |
acde4b86 SH |
7765 | { |
7766 | work_queue_free (bm->process_main_queue); | |
7767 | bm->process_main_queue = NULL; | |
7768 | } | |
5fe9f963 | 7769 | |
7770 | if (bm->t_rmap_update) | |
7771 | BGP_TIMER_OFF(bm->t_rmap_update); | |
545acafb | 7772 | } |