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718e3744 | 1 | /* BGP-4, BGP-4+ daemon program |
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 | ||
a38401b6 | 16 | You should have received a copy of the GN5U General Public License |
718e3744 | 17 | along with GNU Zebra; see the file COPYING. If not, write to the Free |
18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
21 | #include <zebra.h> | |
22 | ||
856ca177 | 23 | #include "lib/json.h" |
718e3744 | 24 | #include "prefix.h" |
25 | #include "thread.h" | |
26 | #include "buffer.h" | |
27 | #include "stream.h" | |
28 | #include "command.h" | |
29 | #include "sockunion.h" | |
e9a0c656 | 30 | #include "sockopt.h" |
718e3744 | 31 | #include "network.h" |
32 | #include "memory.h" | |
33 | #include "filter.h" | |
34 | #include "routemap.h" | |
35 | #include "str.h" | |
36 | #include "log.h" | |
37 | #include "plist.h" | |
38 | #include "linklist.h" | |
200df115 | 39 | #include "workqueue.h" |
3f9c7369 | 40 | #include "queue.h" |
88177fe3 | 41 | #include "zclient.h" |
7f342629 | 42 | #include "bfd.h" |
dd793e4a DW |
43 | #include "hash.h" |
44 | #include "jhash.h" | |
587ff0fd | 45 | #include "table.h" |
718e3744 | 46 | |
47 | #include "bgpd/bgpd.h" | |
48 | #include "bgpd/bgp_table.h" | |
49 | #include "bgpd/bgp_aspath.h" | |
50 | #include "bgpd/bgp_route.h" | |
51 | #include "bgpd/bgp_dump.h" | |
52 | #include "bgpd/bgp_debug.h" | |
53 | #include "bgpd/bgp_community.h" | |
54 | #include "bgpd/bgp_attr.h" | |
55 | #include "bgpd/bgp_regex.h" | |
56 | #include "bgpd/bgp_clist.h" | |
57 | #include "bgpd/bgp_fsm.h" | |
58 | #include "bgpd/bgp_packet.h" | |
59 | #include "bgpd/bgp_zebra.h" | |
60 | #include "bgpd/bgp_open.h" | |
61 | #include "bgpd/bgp_filter.h" | |
62 | #include "bgpd/bgp_nexthop.h" | |
63 | #include "bgpd/bgp_damp.h" | |
64 | #include "bgpd/bgp_mplsvpn.h" | |
587ff0fd | 65 | #include "bgpd/bgp_encap.h" |
65efcfce | 66 | #if ENABLE_BGP_VNC |
f8b6f499 LB |
67 | #include "bgpd/rfapi/bgp_rfapi_cfg.h" |
68 | #include "bgpd/rfapi/rfapi_backend.h" | |
65efcfce | 69 | #endif |
718e3744 | 70 | #include "bgpd/bgp_advertise.h" |
71 | #include "bgpd/bgp_network.h" | |
72 | #include "bgpd/bgp_vty.h" | |
165b5fff | 73 | #include "bgpd/bgp_mpath.h" |
fc9a856f | 74 | #include "bgpd/bgp_nht.h" |
718e3744 | 75 | #ifdef HAVE_SNMP |
76 | #include "bgpd/bgp_snmp.h" | |
77 | #endif /* HAVE_SNMP */ | |
3f9c7369 | 78 | #include "bgpd/bgp_updgrp.h" |
c43ed2e4 | 79 | #include "bgpd/bgp_bfd.h" |
4a1ab8e4 | 80 | #include "bgpd/bgp_memory.h" |
3f9c7369 | 81 | |
718e3744 | 82 | /* BGP process wide configuration. */ |
83 | static struct bgp_master bgp_master; | |
84 | ||
85 | /* BGP process wide configuration pointer to export. */ | |
86 | struct bgp_master *bm; | |
87 | ||
88 | /* BGP community-list. */ | |
89 | struct community_list_handler *bgp_clist; | |
6b0655a2 | 90 | |
b33adb7c | 91 | static void bgp_if_init (struct bgp *bgp); |
92 | static void bgp_if_finish (struct bgp *bgp); | |
93 | ||
ad4cbda1 | 94 | extern struct zclient *zclient; |
1ff9a340 | 95 | |
4c48cf63 | 96 | void |
1ff9a340 DS |
97 | bgp_session_reset(struct peer *peer) |
98 | { | |
99 | if (peer->doppelganger && (peer->doppelganger->status != Deleted) | |
100 | && !(CHECK_FLAG(peer->doppelganger->flags, PEER_FLAG_CONFIG_NODE))) | |
101 | peer_delete(peer->doppelganger); | |
102 | ||
103 | BGP_EVENT_ADD (peer, BGP_Stop); | |
104 | } | |
105 | ||
106 | /* | |
107 | * During session reset, we may delete the doppelganger peer, which would | |
108 | * be the next node to the current node. If the session reset was invoked | |
109 | * during walk of peer list, we would end up accessing the freed next | |
110 | * node. This function moves the next node along. | |
111 | */ | |
4c48cf63 | 112 | static void |
1ff9a340 DS |
113 | bgp_session_reset_safe(struct peer *peer, struct listnode **nnode) |
114 | { | |
115 | struct listnode *n; | |
116 | struct peer *npeer; | |
117 | ||
118 | n = (nnode) ? *nnode : NULL; | |
119 | npeer = (n) ? listgetdata(n) : NULL; | |
120 | ||
121 | if (peer->doppelganger && (peer->doppelganger->status != Deleted) | |
122 | && !(CHECK_FLAG(peer->doppelganger->flags, PEER_FLAG_CONFIG_NODE))) | |
123 | { | |
124 | if (peer->doppelganger == npeer) | |
125 | /* nnode and *nnode are confirmed to be non-NULL here */ | |
126 | *nnode = (*nnode)->next; | |
127 | peer_delete(peer->doppelganger); | |
128 | } | |
129 | ||
130 | BGP_EVENT_ADD (peer, BGP_Stop); | |
131 | } | |
132 | ||
718e3744 | 133 | /* BGP global flag manipulation. */ |
134 | int | |
135 | bgp_option_set (int flag) | |
136 | { | |
137 | switch (flag) | |
138 | { | |
139 | case BGP_OPT_NO_FIB: | |
140 | case BGP_OPT_MULTIPLE_INSTANCE: | |
141 | case BGP_OPT_CONFIG_CISCO: | |
cccbc015 | 142 | case BGP_OPT_NO_LISTEN: |
718e3744 | 143 | SET_FLAG (bm->options, flag); |
144 | break; | |
145 | default: | |
146 | return BGP_ERR_INVALID_FLAG; | |
718e3744 | 147 | } |
148 | return 0; | |
149 | } | |
150 | ||
151 | int | |
152 | bgp_option_unset (int flag) | |
153 | { | |
154 | switch (flag) | |
155 | { | |
156 | case BGP_OPT_MULTIPLE_INSTANCE: | |
157 | if (listcount (bm->bgp) > 1) | |
158 | return BGP_ERR_MULTIPLE_INSTANCE_USED; | |
159 | /* Fall through. */ | |
160 | case BGP_OPT_NO_FIB: | |
161 | case BGP_OPT_CONFIG_CISCO: | |
162 | UNSET_FLAG (bm->options, flag); | |
163 | break; | |
164 | default: | |
165 | return BGP_ERR_INVALID_FLAG; | |
718e3744 | 166 | } |
167 | return 0; | |
168 | } | |
169 | ||
170 | int | |
171 | bgp_option_check (int flag) | |
172 | { | |
173 | return CHECK_FLAG (bm->options, flag); | |
174 | } | |
6b0655a2 | 175 | |
718e3744 | 176 | /* BGP flag manipulation. */ |
177 | int | |
178 | bgp_flag_set (struct bgp *bgp, int flag) | |
179 | { | |
180 | SET_FLAG (bgp->flags, flag); | |
181 | return 0; | |
182 | } | |
183 | ||
184 | int | |
185 | bgp_flag_unset (struct bgp *bgp, int flag) | |
186 | { | |
187 | UNSET_FLAG (bgp->flags, flag); | |
188 | return 0; | |
189 | } | |
190 | ||
191 | int | |
192 | bgp_flag_check (struct bgp *bgp, int flag) | |
193 | { | |
194 | return CHECK_FLAG (bgp->flags, flag); | |
195 | } | |
6b0655a2 | 196 | |
718e3744 | 197 | /* Internal function to set BGP structure configureation flag. */ |
198 | static void | |
199 | bgp_config_set (struct bgp *bgp, int config) | |
200 | { | |
201 | SET_FLAG (bgp->config, config); | |
202 | } | |
203 | ||
204 | static void | |
205 | bgp_config_unset (struct bgp *bgp, int config) | |
206 | { | |
207 | UNSET_FLAG (bgp->config, config); | |
208 | } | |
209 | ||
210 | static int | |
211 | bgp_config_check (struct bgp *bgp, int config) | |
212 | { | |
213 | return CHECK_FLAG (bgp->config, config); | |
214 | } | |
6b0655a2 | 215 | |
718e3744 | 216 | /* Set BGP router identifier. */ |
0e6cb743 DL |
217 | static int |
218 | bgp_router_id_set (struct bgp *bgp, const struct in_addr *id) | |
718e3744 | 219 | { |
220 | struct peer *peer; | |
1eb8ef25 | 221 | struct listnode *node, *nnode; |
718e3744 | 222 | |
c2d58d6d | 223 | if (IPV4_ADDR_SAME (&bgp->router_id, id)) |
718e3744 | 224 | return 0; |
225 | ||
226 | IPV4_ADDR_COPY (&bgp->router_id, id); | |
718e3744 | 227 | |
228 | /* Set all peer's local identifier with this value. */ | |
1eb8ef25 | 229 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 230 | { |
231 | IPV4_ADDR_COPY (&peer->local_id, id); | |
232 | ||
6aa136f1 | 233 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 234 | { |
235 | peer->last_reset = PEER_DOWN_RID_CHANGE; | |
236 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
237 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
238 | } | |
718e3744 | 239 | } |
240 | return 0; | |
241 | } | |
242 | ||
0e6cb743 DL |
243 | void |
244 | bgp_router_id_zebra_bump (vrf_id_t vrf_id, const struct prefix *router_id) | |
245 | { | |
246 | struct listnode *node, *nnode; | |
247 | struct bgp *bgp; | |
248 | ||
249 | if (vrf_id == VRF_DEFAULT) | |
250 | { | |
251 | /* Router-id change for default VRF has to also update all views. */ | |
252 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) | |
253 | { | |
254 | if (bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
255 | continue; | |
256 | ||
257 | bgp->router_id_zebra = router_id->u.prefix4; | |
258 | if (!bgp->router_id_static.s_addr) | |
259 | bgp_router_id_set (bgp, &router_id->u.prefix4); | |
260 | } | |
261 | } | |
262 | else | |
263 | { | |
264 | bgp = bgp_lookup_by_vrf_id (vrf_id); | |
265 | if (bgp) | |
266 | { | |
267 | bgp->router_id_zebra = router_id->u.prefix4; | |
268 | ||
269 | if (!bgp->router_id_static.s_addr) | |
270 | bgp_router_id_set (bgp, &router_id->u.prefix4); | |
271 | } | |
272 | } | |
273 | } | |
274 | ||
275 | int | |
276 | bgp_router_id_static_set (struct bgp *bgp, struct in_addr id) | |
277 | { | |
278 | bgp->router_id_static = id; | |
279 | bgp_router_id_set (bgp, id.s_addr ? &id : &bgp->router_id_zebra); | |
280 | return 0; | |
281 | } | |
282 | ||
718e3744 | 283 | /* BGP's cluster-id control. */ |
284 | int | |
285 | bgp_cluster_id_set (struct bgp *bgp, struct in_addr *cluster_id) | |
286 | { | |
287 | struct peer *peer; | |
1eb8ef25 | 288 | struct listnode *node, *nnode; |
718e3744 | 289 | |
290 | if (bgp_config_check (bgp, BGP_CONFIG_CLUSTER_ID) | |
291 | && IPV4_ADDR_SAME (&bgp->cluster_id, cluster_id)) | |
292 | return 0; | |
293 | ||
294 | IPV4_ADDR_COPY (&bgp->cluster_id, cluster_id); | |
295 | bgp_config_set (bgp, BGP_CONFIG_CLUSTER_ID); | |
296 | ||
297 | /* Clear all IBGP peer. */ | |
1eb8ef25 | 298 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 299 | { |
6d85b15b | 300 | if (peer->sort != BGP_PEER_IBGP) |
718e3744 | 301 | continue; |
302 | ||
6aa136f1 | 303 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 304 | { |
305 | peer->last_reset = PEER_DOWN_CLID_CHANGE; | |
306 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
307 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
308 | } | |
718e3744 | 309 | } |
310 | return 0; | |
311 | } | |
312 | ||
313 | int | |
314 | bgp_cluster_id_unset (struct bgp *bgp) | |
315 | { | |
316 | struct peer *peer; | |
1eb8ef25 | 317 | struct listnode *node, *nnode; |
718e3744 | 318 | |
319 | if (! bgp_config_check (bgp, BGP_CONFIG_CLUSTER_ID)) | |
320 | return 0; | |
321 | ||
322 | bgp->cluster_id.s_addr = 0; | |
323 | bgp_config_unset (bgp, BGP_CONFIG_CLUSTER_ID); | |
324 | ||
325 | /* Clear all IBGP peer. */ | |
1eb8ef25 | 326 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 327 | { |
6d85b15b | 328 | if (peer->sort != BGP_PEER_IBGP) |
718e3744 | 329 | continue; |
330 | ||
6aa136f1 | 331 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 332 | { |
333 | peer->last_reset = PEER_DOWN_CLID_CHANGE; | |
334 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
335 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
336 | } | |
718e3744 | 337 | } |
338 | return 0; | |
339 | } | |
6b0655a2 | 340 | |
65957886 SH |
341 | /* time_t value that is monotonicly increasing |
342 | * and uneffected by adjustments to system clock | |
343 | */ | |
344 | time_t bgp_clock (void) | |
345 | { | |
346 | struct timeval tv; | |
347 | ||
348 | quagga_gettime(QUAGGA_CLK_MONOTONIC, &tv); | |
349 | return tv.tv_sec; | |
350 | } | |
351 | ||
718e3744 | 352 | /* BGP timer configuration. */ |
353 | int | |
354 | bgp_timers_set (struct bgp *bgp, u_int32_t keepalive, u_int32_t holdtime) | |
355 | { | |
356 | bgp->default_keepalive = (keepalive < holdtime / 3 | |
357 | ? keepalive : holdtime / 3); | |
358 | bgp->default_holdtime = holdtime; | |
359 | ||
360 | return 0; | |
361 | } | |
362 | ||
363 | int | |
364 | bgp_timers_unset (struct bgp *bgp) | |
365 | { | |
366 | bgp->default_keepalive = BGP_DEFAULT_KEEPALIVE; | |
367 | bgp->default_holdtime = BGP_DEFAULT_HOLDTIME; | |
368 | ||
369 | return 0; | |
370 | } | |
6b0655a2 | 371 | |
718e3744 | 372 | /* BGP confederation configuration. */ |
373 | int | |
374 | bgp_confederation_id_set (struct bgp *bgp, as_t as) | |
375 | { | |
376 | struct peer *peer; | |
1eb8ef25 | 377 | struct listnode *node, *nnode; |
718e3744 | 378 | int already_confed; |
379 | ||
380 | if (as == 0) | |
381 | return BGP_ERR_INVALID_AS; | |
382 | ||
383 | /* Remember - were we doing confederation before? */ | |
384 | already_confed = bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION); | |
385 | bgp->confed_id = as; | |
386 | bgp_config_set (bgp, BGP_CONFIG_CONFEDERATION); | |
387 | ||
388 | /* If we were doing confederation already, this is just an external | |
389 | AS change. Just Reset EBGP sessions, not CONFED sessions. If we | |
390 | were not doing confederation before, reset all EBGP sessions. */ | |
1eb8ef25 | 391 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 392 | { |
393 | /* We're looking for peers who's AS is not local or part of our | |
394 | confederation. */ | |
395 | if (already_confed) | |
396 | { | |
397 | if (peer_sort (peer) == BGP_PEER_EBGP) | |
398 | { | |
399 | peer->local_as = as; | |
6aa136f1 | 400 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 401 | { |
402 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
403 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
404 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
405 | } | |
718e3744 | 406 | else |
1ff9a340 | 407 | bgp_session_reset_safe(peer, &nnode); |
718e3744 | 408 | } |
409 | } | |
410 | else | |
411 | { | |
412 | /* Not doign confederation before, so reset every non-local | |
413 | session */ | |
414 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
415 | { | |
416 | /* Reset the local_as to be our EBGP one */ | |
417 | if (peer_sort (peer) == BGP_PEER_EBGP) | |
418 | peer->local_as = as; | |
6aa136f1 | 419 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 420 | { |
421 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
422 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
423 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
424 | } | |
718e3744 | 425 | else |
1ff9a340 | 426 | bgp_session_reset_safe(peer, &nnode); |
718e3744 | 427 | } |
428 | } | |
429 | } | |
430 | return 0; | |
431 | } | |
432 | ||
433 | int | |
434 | bgp_confederation_id_unset (struct bgp *bgp) | |
435 | { | |
436 | struct peer *peer; | |
1eb8ef25 | 437 | struct listnode *node, *nnode; |
718e3744 | 438 | |
439 | bgp->confed_id = 0; | |
440 | bgp_config_unset (bgp, BGP_CONFIG_CONFEDERATION); | |
441 | ||
1eb8ef25 | 442 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 443 | { |
444 | /* We're looking for peers who's AS is not local */ | |
445 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
446 | { | |
447 | peer->local_as = bgp->as; | |
6aa136f1 | 448 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 449 | { |
450 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
451 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
452 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
453 | } | |
454 | ||
718e3744 | 455 | else |
1ff9a340 | 456 | bgp_session_reset_safe(peer, &nnode); |
718e3744 | 457 | } |
458 | } | |
459 | return 0; | |
460 | } | |
461 | ||
462 | /* Is an AS part of the confed or not? */ | |
463 | int | |
464 | bgp_confederation_peers_check (struct bgp *bgp, as_t as) | |
465 | { | |
466 | int i; | |
467 | ||
468 | if (! bgp) | |
469 | return 0; | |
470 | ||
471 | for (i = 0; i < bgp->confed_peers_cnt; i++) | |
472 | if (bgp->confed_peers[i] == as) | |
473 | return 1; | |
474 | ||
475 | return 0; | |
476 | } | |
477 | ||
478 | /* Add an AS to the confederation set. */ | |
479 | int | |
480 | bgp_confederation_peers_add (struct bgp *bgp, as_t as) | |
481 | { | |
482 | struct peer *peer; | |
1eb8ef25 | 483 | struct listnode *node, *nnode; |
718e3744 | 484 | |
485 | if (! bgp) | |
486 | return BGP_ERR_INVALID_BGP; | |
487 | ||
488 | if (bgp->as == as) | |
489 | return BGP_ERR_INVALID_AS; | |
490 | ||
491 | if (bgp_confederation_peers_check (bgp, as)) | |
492 | return -1; | |
493 | ||
494 | if (bgp->confed_peers) | |
495 | bgp->confed_peers = XREALLOC (MTYPE_BGP_CONFED_LIST, | |
496 | bgp->confed_peers, | |
497 | (bgp->confed_peers_cnt + 1) * sizeof (as_t)); | |
498 | else | |
499 | bgp->confed_peers = XMALLOC (MTYPE_BGP_CONFED_LIST, | |
500 | (bgp->confed_peers_cnt + 1) * sizeof (as_t)); | |
501 | ||
502 | bgp->confed_peers[bgp->confed_peers_cnt] = as; | |
503 | bgp->confed_peers_cnt++; | |
504 | ||
505 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION)) | |
506 | { | |
1eb8ef25 | 507 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 508 | { |
509 | if (peer->as == as) | |
510 | { | |
511 | peer->local_as = bgp->as; | |
6aa136f1 | 512 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 513 | { |
514 | peer->last_reset = PEER_DOWN_CONFED_PEER_CHANGE; | |
515 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
516 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
517 | } | |
718e3744 | 518 | else |
1ff9a340 | 519 | bgp_session_reset_safe(peer, &nnode); |
718e3744 | 520 | } |
521 | } | |
522 | } | |
523 | return 0; | |
524 | } | |
525 | ||
526 | /* Delete an AS from the confederation set. */ | |
527 | int | |
528 | bgp_confederation_peers_remove (struct bgp *bgp, as_t as) | |
529 | { | |
530 | int i; | |
531 | int j; | |
532 | struct peer *peer; | |
1eb8ef25 | 533 | struct listnode *node, *nnode; |
718e3744 | 534 | |
535 | if (! bgp) | |
536 | return -1; | |
537 | ||
538 | if (! bgp_confederation_peers_check (bgp, as)) | |
539 | return -1; | |
540 | ||
541 | for (i = 0; i < bgp->confed_peers_cnt; i++) | |
542 | if (bgp->confed_peers[i] == as) | |
543 | for(j = i + 1; j < bgp->confed_peers_cnt; j++) | |
544 | bgp->confed_peers[j - 1] = bgp->confed_peers[j]; | |
545 | ||
546 | bgp->confed_peers_cnt--; | |
547 | ||
548 | if (bgp->confed_peers_cnt == 0) | |
549 | { | |
550 | if (bgp->confed_peers) | |
551 | XFREE (MTYPE_BGP_CONFED_LIST, bgp->confed_peers); | |
552 | bgp->confed_peers = NULL; | |
553 | } | |
554 | else | |
555 | bgp->confed_peers = XREALLOC (MTYPE_BGP_CONFED_LIST, | |
556 | bgp->confed_peers, | |
557 | bgp->confed_peers_cnt * sizeof (as_t)); | |
558 | ||
559 | /* Now reset any peer who's remote AS has just been removed from the | |
560 | CONFED */ | |
561 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION)) | |
562 | { | |
1eb8ef25 | 563 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 564 | { |
565 | if (peer->as == as) | |
566 | { | |
567 | peer->local_as = bgp->confed_id; | |
6aa136f1 | 568 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 569 | { |
570 | peer->last_reset = PEER_DOWN_CONFED_PEER_CHANGE; | |
571 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
572 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
573 | } | |
718e3744 | 574 | else |
1ff9a340 | 575 | bgp_session_reset_safe(peer, &nnode); |
718e3744 | 576 | } |
577 | } | |
578 | } | |
579 | ||
580 | return 0; | |
581 | } | |
6b0655a2 | 582 | |
718e3744 | 583 | /* Local preference configuration. */ |
584 | int | |
585 | bgp_default_local_preference_set (struct bgp *bgp, u_int32_t local_pref) | |
586 | { | |
587 | if (! bgp) | |
588 | return -1; | |
589 | ||
718e3744 | 590 | bgp->default_local_pref = local_pref; |
591 | ||
592 | return 0; | |
593 | } | |
594 | ||
595 | int | |
596 | bgp_default_local_preference_unset (struct bgp *bgp) | |
597 | { | |
598 | if (! bgp) | |
599 | return -1; | |
600 | ||
718e3744 | 601 | bgp->default_local_pref = BGP_DEFAULT_LOCAL_PREF; |
602 | ||
603 | return 0; | |
604 | } | |
6b0655a2 | 605 | |
3f9c7369 DS |
606 | /* Local preference configuration. */ |
607 | int | |
608 | bgp_default_subgroup_pkt_queue_max_set (struct bgp *bgp, u_int32_t queue_size) | |
609 | { | |
610 | if (! bgp) | |
611 | return -1; | |
612 | ||
613 | bgp->default_subgroup_pkt_queue_max = queue_size; | |
614 | ||
615 | return 0; | |
616 | } | |
617 | ||
618 | int | |
619 | bgp_default_subgroup_pkt_queue_max_unset (struct bgp *bgp) | |
620 | { | |
621 | if (! bgp) | |
622 | return -1; | |
623 | bgp->default_subgroup_pkt_queue_max = BGP_DEFAULT_SUBGROUP_PKT_QUEUE_MAX; | |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
f14e6fdb DS |
628 | /* Listen limit configuration. */ |
629 | int | |
630 | bgp_listen_limit_set (struct bgp *bgp, int listen_limit) | |
631 | { | |
632 | if (! bgp) | |
633 | return -1; | |
634 | ||
635 | bgp->dynamic_neighbors_limit = listen_limit; | |
636 | ||
637 | return 0; | |
638 | } | |
639 | ||
640 | int | |
641 | bgp_listen_limit_unset (struct bgp *bgp) | |
642 | { | |
643 | if (! bgp) | |
644 | return -1; | |
645 | ||
646 | bgp->dynamic_neighbors_limit = BGP_DYNAMIC_NEIGHBORS_LIMIT_DEFAULT; | |
647 | ||
648 | return 0; | |
649 | } | |
650 | ||
3f9c7369 DS |
651 | struct peer_af * |
652 | peer_af_create (struct peer *peer, afi_t afi, safi_t safi) | |
653 | { | |
654 | struct peer_af *af; | |
655 | int afid; | |
656 | ||
657 | if (!peer) | |
658 | return NULL; | |
659 | ||
660 | afid = afindex(afi, safi); | |
661 | if (afid >= BGP_AF_MAX) | |
662 | return NULL; | |
663 | ||
664 | assert(peer->peer_af_array[afid] == NULL); | |
665 | ||
666 | /* Allocate new peer af */ | |
667 | af = XCALLOC (MTYPE_BGP_PEER_AF, sizeof (struct peer_af)); | |
c8560b44 DW |
668 | |
669 | if (af == NULL) | |
670 | { | |
671 | zlog_err("Could not create af structure for peer %s", peer->host); | |
672 | return NULL; | |
673 | } | |
674 | ||
3f9c7369 DS |
675 | peer->peer_af_array[afid] = af; |
676 | af->afi = afi; | |
677 | af->safi = safi; | |
678 | af->afid = afid; | |
679 | af->peer = peer; | |
680 | ||
3f9c7369 DS |
681 | return af; |
682 | } | |
683 | ||
684 | struct peer_af * | |
685 | peer_af_find (struct peer *peer, afi_t afi, safi_t safi) | |
686 | { | |
687 | int afid; | |
688 | ||
689 | if (!peer) | |
690 | return NULL; | |
691 | ||
692 | afid = afindex(afi, safi); | |
693 | if (afid >= BGP_AF_MAX) | |
694 | return NULL; | |
695 | ||
696 | return peer->peer_af_array[afid]; | |
697 | } | |
698 | ||
699 | int | |
700 | peer_af_delete (struct peer *peer, afi_t afi, safi_t safi) | |
701 | { | |
702 | struct peer_af *af; | |
703 | int afid; | |
704 | ||
705 | if (!peer) | |
706 | return -1; | |
707 | ||
708 | afid = afindex(afi, safi); | |
709 | if (afid >= BGP_AF_MAX) | |
710 | return -1; | |
711 | ||
712 | af = peer->peer_af_array[afid]; | |
713 | if (!af) | |
714 | return -1; | |
715 | ||
716 | bgp_stop_announce_route_timer (af); | |
717 | ||
718 | if (PAF_SUBGRP(af)) | |
719 | { | |
720 | if (BGP_DEBUG (update_groups, UPDATE_GROUPS)) | |
ffd0c037 | 721 | zlog_debug ("u%" PRIu64 ":s%" PRIu64 " remove peer %s", |
3f9c7369 DS |
722 | af->subgroup->update_group->id, af->subgroup->id, peer->host); |
723 | } | |
724 | ||
725 | update_subgroup_remove_peer (af->subgroup, af); | |
726 | ||
727 | peer->peer_af_array[afid] = NULL; | |
728 | XFREE(MTYPE_BGP_PEER_AF, af); | |
729 | return 0; | |
730 | } | |
731 | ||
eb821189 | 732 | /* Peer comparison function for sorting. */ |
16286195 | 733 | int |
718e3744 | 734 | peer_cmp (struct peer *p1, struct peer *p2) |
735 | { | |
0aaa34db DS |
736 | if (p1->group && !p2->group) |
737 | return -1; | |
738 | ||
739 | if (!p1->group && p2->group) | |
740 | return 1; | |
741 | ||
742 | if (p1->group == p2->group) | |
743 | { | |
744 | if (p1->conf_if && !p2->conf_if) | |
745 | return -1; | |
746 | ||
747 | if (!p1->conf_if && p2->conf_if) | |
748 | return 1; | |
749 | ||
750 | if (p1->conf_if && p2->conf_if) | |
751 | return if_cmp_name_func (p1->conf_if, p2->conf_if); | |
752 | } | |
753 | else | |
754 | return strcmp (p1->group->name, p2->group->name); | |
755 | ||
eb821189 | 756 | return sockunion_cmp (&p1->su, &p2->su); |
718e3744 | 757 | } |
758 | ||
dd793e4a DW |
759 | static unsigned int |
760 | peer_hash_key_make(void *p) | |
761 | { | |
762 | struct peer *peer = p; | |
763 | return sockunion_hash(&peer->su); | |
764 | } | |
765 | ||
766 | static int | |
767 | peer_hash_cmp (const void *p1, const void *p2) | |
768 | { | |
769 | const struct peer *peer1 = p1; | |
770 | const struct peer *peer2 = p2; | |
771 | return (sockunion_same (&peer1->su, &peer2->su) && | |
772 | CHECK_FLAG (peer1->flags, PEER_FLAG_CONFIG_NODE) == CHECK_FLAG (peer2->flags, PEER_FLAG_CONFIG_NODE)); | |
773 | } | |
774 | ||
718e3744 | 775 | int |
776 | peer_af_flag_check (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
777 | { | |
778 | return CHECK_FLAG (peer->af_flags[afi][safi], flag); | |
779 | } | |
780 | ||
88b8ed8d DW |
781 | /* Return true if flag is set for the peer but not the peer-group */ |
782 | static int | |
783 | peergroup_af_flag_check (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
784 | { | |
785 | struct peer *g_peer = NULL; | |
786 | ||
787 | if (peer_af_flag_check (peer, afi, safi, flag)) | |
788 | { | |
789 | if (peer_group_active (peer)) | |
790 | { | |
791 | g_peer = peer->group->conf; | |
792 | ||
793 | /* If this flag is not set for the peer's peer-group then return true */ | |
c8560b44 | 794 | if (!peer_af_flag_check (g_peer, afi, safi, flag)) |
88b8ed8d DW |
795 | { |
796 | return 1; | |
797 | } | |
798 | } | |
799 | ||
800 | /* peer is not in a peer-group but the flag is set to return true */ | |
801 | else | |
802 | { | |
803 | return 1; | |
804 | } | |
805 | } | |
806 | ||
807 | return 0; | |
808 | } | |
809 | ||
718e3744 | 810 | /* Reset all address family specific configuration. */ |
811 | static void | |
812 | peer_af_flag_reset (struct peer *peer, afi_t afi, safi_t safi) | |
813 | { | |
814 | int i; | |
815 | struct bgp_filter *filter; | |
816 | char orf_name[BUFSIZ]; | |
817 | ||
818 | filter = &peer->filter[afi][safi]; | |
819 | ||
820 | /* Clear neighbor filter and route-map */ | |
821 | for (i = FILTER_IN; i < FILTER_MAX; i++) | |
822 | { | |
823 | if (filter->dlist[i].name) | |
824 | { | |
6e919709 | 825 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[i].name); |
718e3744 | 826 | filter->dlist[i].name = NULL; |
827 | } | |
828 | if (filter->plist[i].name) | |
829 | { | |
6e919709 | 830 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[i].name); |
718e3744 | 831 | filter->plist[i].name = NULL; |
832 | } | |
833 | if (filter->aslist[i].name) | |
834 | { | |
6e919709 | 835 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[i].name); |
718e3744 | 836 | filter->aslist[i].name = NULL; |
837 | } | |
fee0f4c6 | 838 | } |
839 | for (i = RMAP_IN; i < RMAP_MAX; i++) | |
840 | { | |
718e3744 | 841 | if (filter->map[i].name) |
842 | { | |
6e919709 | 843 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[i].name); |
718e3744 | 844 | filter->map[i].name = NULL; |
845 | } | |
846 | } | |
847 | ||
848 | /* Clear unsuppress map. */ | |
849 | if (filter->usmap.name) | |
6e919709 | 850 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); |
718e3744 | 851 | filter->usmap.name = NULL; |
852 | filter->usmap.map = NULL; | |
853 | ||
854 | /* Clear neighbor's all address family flags. */ | |
855 | peer->af_flags[afi][safi] = 0; | |
856 | ||
857 | /* Clear neighbor's all address family sflags. */ | |
858 | peer->af_sflags[afi][safi] = 0; | |
859 | ||
860 | /* Clear neighbor's all address family capabilities. */ | |
861 | peer->af_cap[afi][safi] = 0; | |
862 | ||
863 | /* Clear ORF info */ | |
864 | peer->orf_plist[afi][safi] = NULL; | |
865 | sprintf (orf_name, "%s.%d.%d", peer->host, afi, safi); | |
c7da3d50 | 866 | prefix_bgp_orf_remove_all (afi, orf_name); |
718e3744 | 867 | |
868 | /* Set default neighbor send-community. */ | |
869 | if (! bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
870 | { | |
871 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_COMMUNITY); | |
872 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_EXT_COMMUNITY); | |
873 | } | |
874 | ||
875 | /* Clear neighbor default_originate_rmap */ | |
876 | if (peer->default_rmap[afi][safi].name) | |
6e919709 | 877 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); |
718e3744 | 878 | peer->default_rmap[afi][safi].name = NULL; |
879 | peer->default_rmap[afi][safi].map = NULL; | |
880 | ||
881 | /* Clear neighbor maximum-prefix */ | |
882 | peer->pmax[afi][safi] = 0; | |
e0701b79 | 883 | peer->pmax_threshold[afi][safi] = MAXIMUM_PREFIX_THRESHOLD_DEFAULT; |
718e3744 | 884 | } |
885 | ||
886 | /* peer global config reset */ | |
94f2b392 | 887 | static void |
718e3744 | 888 | peer_global_config_reset (struct peer *peer) |
889 | { | |
8ffedcea DS |
890 | |
891 | int v6only; | |
892 | ||
718e3744 | 893 | peer->weight = 0; |
894 | peer->change_local_as = 0; | |
9b1be336 | 895 | peer->ttl = (peer_sort (peer) == BGP_PEER_IBGP ? MAXTTL : 1); |
718e3744 | 896 | if (peer->update_source) |
897 | { | |
898 | sockunion_free (peer->update_source); | |
899 | peer->update_source = NULL; | |
900 | } | |
901 | if (peer->update_if) | |
902 | { | |
903 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
904 | peer->update_if = NULL; | |
905 | } | |
906 | ||
907 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
908 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
909 | else | |
910 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
911 | ||
8ffedcea DS |
912 | /* This is a per-peer specific flag and so we must preserve it */ |
913 | v6only = CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY); | |
914 | ||
718e3744 | 915 | peer->flags = 0; |
8ffedcea DS |
916 | |
917 | if (v6only) | |
918 | SET_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY); | |
919 | ||
718e3744 | 920 | peer->config = 0; |
921 | peer->holdtime = 0; | |
922 | peer->keepalive = 0; | |
923 | peer->connect = 0; | |
924 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
821a359a DS |
925 | |
926 | /* Reset some other configs back to defaults. */ | |
927 | peer->v_start = BGP_INIT_START_TIMER; | |
821a359a DS |
928 | peer->password = NULL; |
929 | peer->local_id = peer->bgp->router_id; | |
930 | peer->v_holdtime = peer->bgp->default_holdtime; | |
931 | peer->v_keepalive = peer->bgp->default_keepalive; | |
932 | ||
7f342629 DS |
933 | bfd_info_free(&(peer->bfd_info)); |
934 | ||
821a359a DS |
935 | /* Set back the CONFIG_NODE flag. */ |
936 | SET_FLAG (peer->flags, PEER_FLAG_CONFIG_NODE); | |
718e3744 | 937 | } |
938 | ||
6d85b15b JBD |
939 | /* Check peer's AS number and determines if this peer is IBGP or EBGP */ |
940 | static bgp_peer_sort_t | |
941 | peer_calc_sort (struct peer *peer) | |
718e3744 | 942 | { |
943 | struct bgp *bgp; | |
944 | ||
945 | bgp = peer->bgp; | |
946 | ||
947 | /* Peer-group */ | |
948 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
949 | { | |
66b199b2 DS |
950 | if (peer->as_type == AS_INTERNAL) |
951 | return BGP_PEER_IBGP; | |
952 | ||
953 | else if (peer->as_type == AS_EXTERNAL) | |
954 | return BGP_PEER_EBGP; | |
955 | ||
956 | else if (peer->as_type == AS_SPECIFIED && peer->as) | |
718e3744 | 957 | return (bgp->as == peer->as ? BGP_PEER_IBGP : BGP_PEER_EBGP); |
66b199b2 | 958 | |
718e3744 | 959 | else |
960 | { | |
961 | struct peer *peer1; | |
962 | peer1 = listnode_head (peer->group->peer); | |
66b199b2 | 963 | |
718e3744 | 964 | if (peer1) |
66b199b2 | 965 | return peer1->sort; |
718e3744 | 966 | } |
967 | return BGP_PEER_INTERNAL; | |
968 | } | |
969 | ||
970 | /* Normal peer */ | |
971 | if (bgp && CHECK_FLAG (bgp->config, BGP_CONFIG_CONFEDERATION)) | |
972 | { | |
973 | if (peer->local_as == 0) | |
974 | return BGP_PEER_INTERNAL; | |
975 | ||
976 | if (peer->local_as == peer->as) | |
977 | { | |
66b199b2 DS |
978 | if (bgp->as == bgp->confed_id) |
979 | { | |
980 | if (peer->local_as == bgp->as) | |
981 | return BGP_PEER_IBGP; | |
982 | else | |
983 | return BGP_PEER_EBGP; | |
984 | } | |
985 | else | |
986 | { | |
987 | if (peer->local_as == bgp->confed_id) | |
988 | return BGP_PEER_EBGP; | |
989 | else | |
990 | return BGP_PEER_IBGP; | |
991 | } | |
718e3744 | 992 | } |
993 | ||
994 | if (bgp_confederation_peers_check (bgp, peer->as)) | |
995 | return BGP_PEER_CONFED; | |
996 | ||
997 | return BGP_PEER_EBGP; | |
998 | } | |
999 | else | |
1000 | { | |
0299c004 DS |
1001 | if (peer->as_type != AS_SPECIFIED) |
1002 | return (peer->as_type == AS_INTERNAL ? BGP_PEER_IBGP : BGP_PEER_EBGP); | |
1003 | ||
718e3744 | 1004 | return (peer->local_as == 0 |
1005 | ? BGP_PEER_INTERNAL : peer->local_as == peer->as | |
1006 | ? BGP_PEER_IBGP : BGP_PEER_EBGP); | |
1007 | } | |
1008 | } | |
1009 | ||
6d85b15b JBD |
1010 | /* Calculate and cache the peer "sort" */ |
1011 | bgp_peer_sort_t | |
1012 | peer_sort (struct peer *peer) | |
1013 | { | |
1014 | peer->sort = peer_calc_sort (peer); | |
1015 | return peer->sort; | |
1016 | } | |
1017 | ||
f63f06da | 1018 | static void |
200df115 | 1019 | peer_free (struct peer *peer) |
1020 | { | |
ca058a30 | 1021 | assert (peer->status == Deleted); |
0088b5dc SH |
1022 | |
1023 | bgp_unlock(peer->bgp); | |
1024 | ||
ca058a30 PJ |
1025 | /* this /ought/ to have been done already through bgp_stop earlier, |
1026 | * but just to be sure.. | |
1027 | */ | |
1028 | bgp_timer_set (peer); | |
1029 | BGP_READ_OFF (peer->t_read); | |
1030 | BGP_WRITE_OFF (peer->t_write); | |
9fde6624 | 1031 | BGP_EVENT_FLUSH (peer); |
ca058a30 | 1032 | |
9a233a02 DS |
1033 | /* Free connected nexthop, if present */ |
1034 | if (CHECK_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE) && | |
1035 | !peer_dynamic_neighbor (peer)) | |
1036 | bgp_delete_connected_nexthop (family2afi(peer->su.sa.sa_family), peer); | |
1037 | ||
200df115 | 1038 | if (peer->desc) |
9e08021c DW |
1039 | { |
1040 | XFREE (MTYPE_PEER_DESC, peer->desc); | |
1041 | peer->desc = NULL; | |
1042 | } | |
200df115 | 1043 | |
1044 | /* Free allocated host character. */ | |
1045 | if (peer->host) | |
9e08021c DW |
1046 | { |
1047 | XFREE (MTYPE_BGP_PEER_HOST, peer->host); | |
1048 | peer->host = NULL; | |
1049 | } | |
6e919709 DS |
1050 | |
1051 | if (peer->ifname) | |
9e08021c DW |
1052 | { |
1053 | XFREE(MTYPE_BGP_PEER_IFNAME, peer->ifname); | |
1054 | peer->ifname = NULL; | |
1055 | } | |
6e919709 | 1056 | |
200df115 | 1057 | /* Update source configuration. */ |
1058 | if (peer->update_source) | |
9e08021c DW |
1059 | { |
1060 | sockunion_free (peer->update_source); | |
1061 | peer->update_source = NULL; | |
1062 | } | |
200df115 | 1063 | |
1064 | if (peer->update_if) | |
9e08021c DW |
1065 | { |
1066 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
1067 | peer->update_if = NULL; | |
1068 | } | |
6e919709 DS |
1069 | |
1070 | if (peer->notify.data) | |
1071 | XFREE(MTYPE_TMP, peer->notify.data); | |
9e08021c | 1072 | memset (&peer->notify, 0, sizeof (struct bgp_notify)); |
6e919709 | 1073 | |
495f0b13 | 1074 | if (peer->clear_node_queue) |
9e08021c DW |
1075 | { |
1076 | work_queue_free(peer->clear_node_queue); | |
1077 | peer->clear_node_queue = NULL; | |
1078 | } | |
495f0b13 | 1079 | |
ca058a30 | 1080 | bgp_sync_delete (peer); |
a80beece DS |
1081 | |
1082 | if (peer->conf_if) | |
9e08021c DW |
1083 | { |
1084 | XFREE (MTYPE_PEER_CONF_IF, peer->conf_if); | |
1085 | peer->conf_if = NULL; | |
1086 | } | |
a80beece | 1087 | |
7f342629 | 1088 | bfd_info_free(&(peer->bfd_info)); |
c43ed2e4 | 1089 | |
200df115 | 1090 | memset (peer, 0, sizeof (struct peer)); |
1091 | ||
1092 | XFREE (MTYPE_BGP_PEER, peer); | |
1093 | } | |
1094 | ||
1095 | /* increase reference count on a struct peer */ | |
1096 | struct peer * | |
28066f4b | 1097 | peer_lock_with_caller (const char *name, struct peer *peer) |
200df115 | 1098 | { |
1099 | assert (peer && (peer->lock >= 0)); | |
28066f4b DS |
1100 | |
1101 | #if 0 | |
1102 | zlog_debug("%s peer_lock %p %d", name, peer, peer->lock); | |
1103 | #endif | |
ca058a30 | 1104 | |
200df115 | 1105 | peer->lock++; |
1106 | ||
1107 | return peer; | |
1108 | } | |
1109 | ||
1110 | /* decrease reference count on a struct peer | |
1111 | * struct peer is freed and NULL returned if last reference | |
1112 | */ | |
1113 | struct peer * | |
28066f4b | 1114 | peer_unlock_with_caller (const char *name, struct peer *peer) |
200df115 | 1115 | { |
1116 | assert (peer && (peer->lock > 0)); | |
28066f4b DS |
1117 | |
1118 | #if 0 | |
1119 | zlog_debug("%s peer_unlock %p %d", name, peer, peer->lock); | |
1120 | #endif | |
200df115 | 1121 | |
1122 | peer->lock--; | |
1123 | ||
1124 | if (peer->lock == 0) | |
1125 | { | |
200df115 | 1126 | peer_free (peer); |
1127 | return NULL; | |
1128 | } | |
1129 | ||
200df115 | 1130 | return peer; |
1131 | } | |
1ff9a340 | 1132 | |
200df115 | 1133 | /* Allocate new peer object, implicitely locked. */ |
65efcfce | 1134 | struct peer * |
6f58544d | 1135 | peer_new (struct bgp *bgp) |
718e3744 | 1136 | { |
1137 | afi_t afi; | |
1138 | safi_t safi; | |
1139 | struct peer *peer; | |
1140 | struct servent *sp; | |
6f58544d PJ |
1141 | |
1142 | /* bgp argument is absolutely required */ | |
1143 | assert (bgp); | |
1144 | if (!bgp) | |
1145 | return NULL; | |
1146 | ||
718e3744 | 1147 | /* Allocate new peer. */ |
ca058a30 | 1148 | peer = XCALLOC (MTYPE_BGP_PEER, sizeof (struct peer)); |
718e3744 | 1149 | |
1150 | /* Set default value. */ | |
eb821189 | 1151 | peer->fd = -1; |
718e3744 | 1152 | peer->v_start = BGP_INIT_START_TIMER; |
1153 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
718e3744 | 1154 | peer->status = Idle; |
1155 | peer->ostatus = Idle; | |
6403814c | 1156 | peer->cur_event = peer->last_event = peer->last_major_event = 0; |
6f58544d | 1157 | peer->bgp = bgp; |
ca058a30 | 1158 | peer = peer_lock (peer); /* initial reference */ |
0088b5dc | 1159 | bgp_lock (bgp); |
1ff9a340 DS |
1160 | peer->weight = 0; |
1161 | peer->password = NULL; | |
718e3744 | 1162 | |
1163 | /* Set default flags. */ | |
1164 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1165 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1166 | { | |
1167 | if (! bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
1168 | { | |
1169 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_COMMUNITY); | |
1170 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SEND_EXT_COMMUNITY); | |
1171 | } | |
1172 | peer->orf_plist[afi][safi] = NULL; | |
1173 | } | |
1174 | SET_FLAG (peer->sflags, PEER_STATUS_CAPABILITY_OPEN); | |
1175 | ||
1176 | /* Create buffers. */ | |
1177 | peer->ibuf = stream_new (BGP_MAX_PACKET_SIZE); | |
1178 | peer->obuf = stream_fifo_new (); | |
0a91ff55 DS |
1179 | |
1180 | /* We use a larger buffer for peer->work in the event that: | |
1181 | * - We RX a BGP_UPDATE where the attributes alone are just | |
1182 | * under BGP_MAX_PACKET_SIZE | |
1183 | * - The user configures an outbound route-map that does many as-path | |
1184 | * prepends or adds many communities. At most they can have CMD_ARGC_MAX | |
1185 | * args in a route-map so there is a finite limit on how large they can | |
1186 | * make the attributes. | |
1187 | * | |
1188 | * Having a buffer with BGP_MAX_PACKET_SIZE_OVERFLOW allows us to avoid bounds | |
1189 | * checking for every single attribute as we construct an UPDATE. | |
1190 | */ | |
1191 | peer->work = stream_new (BGP_MAX_PACKET_SIZE + BGP_MAX_PACKET_SIZE_OVERFLOW); | |
8c71e481 | 1192 | peer->scratch = stream_new (BGP_MAX_PACKET_SIZE); |
718e3744 | 1193 | |
1ff9a340 | 1194 | |
718e3744 | 1195 | bgp_sync_init (peer); |
1196 | ||
1197 | /* Get service port number. */ | |
1198 | sp = getservbyname ("bgp", "tcp"); | |
1199 | peer->port = (sp == NULL) ? BGP_PORT_DEFAULT : ntohs (sp->s_port); | |
1200 | ||
1201 | return peer; | |
1202 | } | |
1203 | ||
1ff9a340 DS |
1204 | /* |
1205 | * This function is invoked when a duplicate peer structure associated with | |
1206 | * a neighbor is being deleted. If this about-to-be-deleted structure is | |
1207 | * the one with all the config, then we have to copy over the info. | |
1208 | */ | |
1209 | void | |
1210 | peer_xfer_config (struct peer *peer_dst, struct peer *peer_src) | |
1211 | { | |
3f9c7369 | 1212 | struct peer_af *paf; |
1ff9a340 DS |
1213 | afi_t afi; |
1214 | safi_t safi; | |
96885f16 | 1215 | int afidx; |
1ff9a340 DS |
1216 | |
1217 | assert(peer_src); | |
1218 | assert(peer_dst); | |
1219 | ||
1220 | /* The following function is used by both peer group config copy to | |
1221 | * individual peer and when we transfer config | |
1222 | */ | |
1223 | if (peer_src->change_local_as) | |
1224 | peer_dst->change_local_as = peer_src->change_local_as; | |
1225 | ||
1226 | /* peer flags apply */ | |
1227 | peer_dst->flags = peer_src->flags; | |
1228 | peer_dst->cap = peer_src->cap; | |
1229 | peer_dst->config = peer_src->config; | |
1230 | ||
1231 | peer_dst->local_as = peer_src->local_as; | |
1232 | peer_dst->ifindex = peer_src->ifindex; | |
1233 | peer_dst->port = peer_src->port; | |
1234 | peer_sort(peer_dst); | |
1235 | peer_dst->rmap_type = peer_src->rmap_type; | |
1236 | ||
1237 | /* Timers */ | |
1238 | peer_dst->holdtime = peer_src->holdtime; | |
1239 | peer_dst->keepalive = peer_src->keepalive; | |
1240 | peer_dst->connect = peer_src->connect; | |
1241 | peer_dst->v_holdtime = peer_src->v_holdtime; | |
1242 | peer_dst->v_keepalive = peer_src->v_keepalive; | |
1ff9a340 DS |
1243 | peer_dst->routeadv = peer_src->routeadv; |
1244 | peer_dst->v_routeadv = peer_src->v_routeadv; | |
1245 | ||
1246 | /* password apply */ | |
1247 | if (peer_src->password && !peer_dst->password) | |
1248 | peer_dst->password = XSTRDUP (MTYPE_PEER_PASSWORD, peer_src->password); | |
1249 | ||
1ff9a340 DS |
1250 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
1251 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1252 | { | |
1253 | peer_dst->afc[afi][safi] = peer_src->afc[afi][safi]; | |
1254 | peer_dst->af_flags[afi][safi] = peer_src->af_flags[afi][safi]; | |
1255 | peer_dst->allowas_in[afi][safi] = peer_src->allowas_in[afi][safi]; | |
1256 | } | |
1257 | ||
96885f16 | 1258 | for (afidx = BGP_AF_START; afidx < BGP_AF_MAX; afidx++) |
1259 | { | |
1260 | paf = peer_src->peer_af_array[afidx]; | |
1261 | if (paf != NULL) | |
1262 | peer_af_create(peer_dst, paf->afi, paf->safi); | |
1263 | } | |
3f9c7369 | 1264 | |
1ff9a340 DS |
1265 | /* update-source apply */ |
1266 | if (peer_src->update_source) | |
1267 | { | |
1268 | if (peer_dst->update_source) | |
1269 | sockunion_free (peer_dst->update_source); | |
1270 | if (peer_dst->update_if) | |
1271 | { | |
1272 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer_dst->update_if); | |
1273 | peer_dst->update_if = NULL; | |
1274 | } | |
1275 | peer_dst->update_source = sockunion_dup (peer_src->update_source); | |
1276 | } | |
1277 | else if (peer_src->update_if) | |
1278 | { | |
1279 | if (peer_dst->update_if) | |
1280 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer_dst->update_if); | |
1281 | if (peer_dst->update_source) | |
1282 | { | |
1283 | sockunion_free (peer_dst->update_source); | |
1284 | peer_dst->update_source = NULL; | |
1285 | } | |
1286 | peer_dst->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, peer_src->update_if); | |
1287 | } | |
1288 | ||
1289 | if (peer_src->ifname) | |
1290 | { | |
1291 | if (peer_dst->ifname) | |
6e919709 | 1292 | XFREE(MTYPE_BGP_PEER_IFNAME, peer_dst->ifname); |
1ff9a340 | 1293 | |
6e919709 | 1294 | peer_dst->ifname = XSTRDUP(MTYPE_BGP_PEER_IFNAME, peer_src->ifname); |
1ff9a340 DS |
1295 | } |
1296 | } | |
1297 | ||
89ca90fa | 1298 | static int |
1299 | bgp_peer_conf_if_to_su_update_v4 (struct peer *peer, struct interface *ifp) | |
a80beece | 1300 | { |
8ffedcea DS |
1301 | struct connected *ifc; |
1302 | struct prefix p; | |
f43e655e | 1303 | u_int32_t addr; |
8ffedcea | 1304 | struct listnode *node; |
a80beece | 1305 | |
89ca90fa | 1306 | /* If our IPv4 address on the interface is /30 or /31, we can derive the |
1307 | * IPv4 address of the other end. | |
1308 | */ | |
1309 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) | |
a80beece | 1310 | { |
89ca90fa | 1311 | if (ifc->address && (ifc->address->family == AF_INET)) |
1312 | { | |
1313 | PREFIX_COPY_IPV4(&p, CONNECTED_PREFIX(ifc)); | |
1314 | if (p.prefixlen == 30) | |
1315 | { | |
1316 | peer->su.sa.sa_family = AF_INET; | |
f43e655e RW |
1317 | addr = ntohl(p.u.prefix4.s_addr); |
1318 | if (addr % 4 == 1) | |
1319 | peer->su.sin.sin_addr.s_addr = htonl(addr+1); | |
1320 | else if (addr % 4 == 2) | |
1321 | peer->su.sin.sin_addr.s_addr = htonl(addr-1); | |
8ffedcea | 1322 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
8f500a1c | 1323 | peer->su.sin.sin_len = sizeof(struct sockaddr_in); |
8ffedcea | 1324 | #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ |
89ca90fa | 1325 | return 1; |
1326 | } | |
1327 | else if (p.prefixlen == 31) | |
1328 | { | |
1329 | peer->su.sa.sa_family = AF_INET; | |
f43e655e RW |
1330 | addr = ntohl(p.u.prefix4.s_addr); |
1331 | if (addr % 2 == 0) | |
1332 | peer->su.sin.sin_addr.s_addr = htonl(addr+1); | |
89ca90fa | 1333 | else |
f43e655e | 1334 | peer->su.sin.sin_addr.s_addr = htonl(addr-1); |
8ffedcea | 1335 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
8f500a1c | 1336 | peer->su.sin.sin_len = sizeof(struct sockaddr_in); |
8ffedcea | 1337 | #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ |
89ca90fa | 1338 | return 1; |
1339 | } | |
1340 | else | |
7709d56b DS |
1341 | if (bgp_debug_neighbor_events(peer)) |
1342 | zlog_debug("%s: IPv4 interface address is not /30 or /31, v4 session not started", | |
1343 | peer->conf_if); | |
89ca90fa | 1344 | } |
1345 | } | |
8ffedcea | 1346 | |
89ca90fa | 1347 | return 0; |
1348 | } | |
1349 | ||
1350 | static int | |
1351 | bgp_peer_conf_if_to_su_update_v6 (struct peer *peer, struct interface *ifp) | |
1352 | { | |
1353 | struct nbr_connected *ifc_nbr; | |
1354 | ||
1355 | /* Have we learnt the peer's IPv6 link-local address? */ | |
1356 | if (ifp->nbr_connected && | |
1357 | (ifc_nbr = listnode_head(ifp->nbr_connected))) | |
1358 | { | |
1359 | peer->su.sa.sa_family = AF_INET6; | |
1360 | memcpy(&peer->su.sin6.sin6_addr, &ifc_nbr->address->u.prefix, | |
1361 | sizeof (struct in6_addr)); | |
a80beece | 1362 | #ifdef SIN6_LEN |
89ca90fa | 1363 | peer->su.sin6.sin6_len = sizeof (struct sockaddr_in6); |
a80beece | 1364 | #endif |
89ca90fa | 1365 | peer->su.sin6.sin6_scope_id = ifp->ifindex; |
1366 | return 1; | |
1367 | } | |
8ffedcea | 1368 | |
89ca90fa | 1369 | return 0; |
1370 | } | |
1371 | ||
1372 | /* | |
1373 | * Set or reset the peer address socketunion structure based on the | |
1374 | * learnt/derived peer address. If the address has changed, update the | |
1375 | * password on the listen socket, if needed. | |
1376 | */ | |
1377 | void | |
1378 | bgp_peer_conf_if_to_su_update (struct peer *peer) | |
1379 | { | |
1380 | struct interface *ifp; | |
1381 | int prev_family; | |
1382 | int peer_addr_updated = 0; | |
1383 | ||
1384 | if (!peer->conf_if) | |
1385 | return; | |
1386 | ||
1387 | prev_family = peer->su.sa.sa_family; | |
8dee0396 | 1388 | if ((ifp = if_lookup_by_name_vrf (peer->conf_if, peer->bgp->vrf_id))) |
89ca90fa | 1389 | { |
4a04e5f7 | 1390 | peer->ifp = ifp; |
89ca90fa | 1391 | /* If BGP unnumbered is not "v6only", we first see if we can derive the |
1392 | * peer's IPv4 address. | |
1393 | */ | |
1394 | if (!CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY)) | |
1395 | peer_addr_updated = bgp_peer_conf_if_to_su_update_v4 (peer, ifp); | |
1396 | ||
1397 | /* If "v6only" or we can't derive peer's IPv4 address, see if we've | |
1398 | * learnt the peer's IPv6 link-local address. This is from the source | |
1399 | * IPv6 address in router advertisement. | |
1400 | */ | |
1401 | if (!peer_addr_updated) | |
1402 | peer_addr_updated = bgp_peer_conf_if_to_su_update_v6 (peer, ifp); | |
1403 | } | |
1404 | /* If we could derive the peer address, we may need to install the password | |
1405 | * configured for the peer, if any, on the listen socket. Otherwise, mark | |
1406 | * that peer's address is not available and uninstall the password, if | |
1407 | * needed. | |
1408 | */ | |
1409 | if (peer_addr_updated) | |
1410 | { | |
1411 | if (peer->password && prev_family == AF_UNSPEC) | |
1412 | bgp_md5_set (peer); | |
1413 | } | |
1414 | else | |
1415 | { | |
1416 | if (peer->password && prev_family != AF_UNSPEC) | |
1417 | bgp_md5_unset (peer); | |
1418 | peer->su.sa.sa_family = AF_UNSPEC; | |
1419 | memset(&peer->su.sin6.sin6_addr, 0, sizeof (struct in6_addr)); | |
a80beece | 1420 | } |
dd793e4a DW |
1421 | |
1422 | /* Since our su changed we need to del/add peer to the peerhash */ | |
1423 | hash_release(peer->bgp->peerhash, peer); | |
1424 | hash_get(peer->bgp->peerhash, peer, hash_alloc_intern); | |
a80beece DS |
1425 | } |
1426 | ||
06370dac DW |
1427 | /* Force a bestpath recalculation for all prefixes. This is used |
1428 | * when 'bgp bestpath' commands are entered. | |
1429 | */ | |
1430 | void | |
1431 | bgp_recalculate_all_bestpaths (struct bgp *bgp) | |
1432 | { | |
1433 | afi_t afi; | |
1434 | safi_t safi; | |
1435 | struct bgp_node *rn; | |
1436 | ||
1437 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1438 | { | |
1439 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
1440 | { | |
1441 | for (rn = bgp_table_top (bgp->rib[afi][safi]); rn; rn = bgp_route_next (rn)) | |
1442 | { | |
353cd37f DW |
1443 | if (rn->info != NULL) |
1444 | { | |
1445 | bgp_process (bgp, rn, afi, safi); | |
1446 | } | |
06370dac DW |
1447 | } |
1448 | } | |
1449 | } | |
1450 | } | |
1451 | ||
718e3744 | 1452 | /* Create new BGP peer. */ |
1ff9a340 | 1453 | struct peer * |
a80beece | 1454 | peer_create (union sockunion *su, const char *conf_if, struct bgp *bgp, |
f813b13b | 1455 | as_t local_as, as_t remote_as, int as_type, afi_t afi, safi_t safi, struct peer_group *group) |
718e3744 | 1456 | { |
1457 | int active; | |
1458 | struct peer *peer; | |
1459 | char buf[SU_ADDRSTRLEN]; | |
1460 | ||
6f58544d | 1461 | peer = peer_new (bgp); |
a80beece DS |
1462 | if (conf_if) |
1463 | { | |
1464 | peer->conf_if = XSTRDUP (MTYPE_PEER_CONF_IF, conf_if); | |
ff7c8333 | 1465 | bgp_peer_conf_if_to_su_update(peer); |
6e919709 DS |
1466 | if (peer->host) |
1467 | XFREE(MTYPE_BGP_PEER_HOST, peer->host); | |
a80beece DS |
1468 | peer->host = XSTRDUP (MTYPE_BGP_PEER_HOST, conf_if); |
1469 | } | |
1470 | else if (su) | |
1471 | { | |
1472 | peer->su = *su; | |
1473 | sockunion2str (su, buf, SU_ADDRSTRLEN); | |
6e919709 DS |
1474 | if (peer->host) |
1475 | XFREE(MTYPE_BGP_PEER_HOST, peer->host); | |
a80beece DS |
1476 | peer->host = XSTRDUP (MTYPE_BGP_PEER_HOST, buf); |
1477 | } | |
718e3744 | 1478 | peer->local_as = local_as; |
1479 | peer->as = remote_as; | |
0299c004 | 1480 | peer->as_type = as_type; |
718e3744 | 1481 | peer->local_id = bgp->router_id; |
1482 | peer->v_holdtime = bgp->default_holdtime; | |
1483 | peer->v_keepalive = bgp->default_keepalive; | |
1484 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
1485 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
1486 | else | |
1487 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
28066f4b | 1488 | |
200df115 | 1489 | peer = peer_lock (peer); /* bgp peer list reference */ |
f813b13b | 1490 | peer->group = group; |
718e3744 | 1491 | listnode_add_sort (bgp->peer, peer); |
dd793e4a | 1492 | hash_get(bgp->peerhash, peer, hash_alloc_intern); |
718e3744 | 1493 | |
1494 | active = peer_active (peer); | |
1495 | ||
65957886 SH |
1496 | /* Last read and reset time set */ |
1497 | peer->readtime = peer->resettime = bgp_clock (); | |
848973c7 | 1498 | |
718e3744 | 1499 | /* Default TTL set. */ |
9b1be336 | 1500 | peer->ttl = (peer->sort == BGP_PEER_IBGP) ? MAXTTL : 1; |
718e3744 | 1501 | |
1ff9a340 DS |
1502 | SET_FLAG (peer->flags, PEER_FLAG_CONFIG_NODE); |
1503 | ||
3f9c7369 DS |
1504 | if (afi && safi) |
1505 | { | |
1506 | peer->afc[afi][safi] = 1; | |
c8560b44 | 1507 | peer_af_create(peer, afi, safi); |
3f9c7369 DS |
1508 | } |
1509 | ||
718e3744 | 1510 | /* Set up peer's events and timers. */ |
1511 | if (! active && peer_active (peer)) | |
1512 | bgp_timer_set (peer); | |
1513 | ||
1514 | return peer; | |
1515 | } | |
1516 | ||
dd793e4a | 1517 | /* Make accept BGP peer. This function is only called from the test code */ |
eb821189 | 1518 | struct peer * |
1519 | peer_create_accept (struct bgp *bgp) | |
1520 | { | |
1521 | struct peer *peer; | |
1522 | ||
6f58544d | 1523 | peer = peer_new (bgp); |
1ff9a340 | 1524 | |
200df115 | 1525 | peer = peer_lock (peer); /* bgp peer list reference */ |
eb821189 | 1526 | listnode_add_sort (bgp->peer, peer); |
1527 | ||
1528 | return peer; | |
1529 | } | |
1530 | ||
718e3744 | 1531 | /* Change peer's AS number. */ |
a80beece | 1532 | void |
0299c004 | 1533 | peer_as_change (struct peer *peer, as_t as, int as_specified) |
718e3744 | 1534 | { |
6d85b15b | 1535 | bgp_peer_sort_t type; |
966f821c | 1536 | struct peer *conf; |
718e3744 | 1537 | |
1538 | /* Stop peer. */ | |
1539 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1540 | { | |
6aa136f1 | 1541 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 1542 | { |
1543 | peer->last_reset = PEER_DOWN_REMOTE_AS_CHANGE; | |
1544 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1545 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1546 | } | |
718e3744 | 1547 | else |
1ff9a340 | 1548 | bgp_session_reset(peer); |
718e3744 | 1549 | } |
1550 | type = peer_sort (peer); | |
1551 | peer->as = as; | |
0299c004 | 1552 | peer->as_type = as_specified; |
718e3744 | 1553 | |
848973c7 | 1554 | if (bgp_config_check (peer->bgp, BGP_CONFIG_CONFEDERATION) |
1555 | && ! bgp_confederation_peers_check (peer->bgp, as) | |
1556 | && peer->bgp->as != as) | |
1557 | peer->local_as = peer->bgp->confed_id; | |
1558 | else | |
1559 | peer->local_as = peer->bgp->as; | |
1560 | ||
718e3744 | 1561 | /* Advertisement-interval reset */ |
966f821c DS |
1562 | conf = NULL; |
1563 | if (peer->group) | |
1564 | conf = peer->group->conf; | |
1565 | ||
1566 | if (conf && CHECK_FLAG (conf->config, PEER_CONFIG_ROUTEADV)) | |
ffd0c037 | 1567 | { |
966f821c | 1568 | peer->v_routeadv = conf->routeadv; |
ffd0c037 | 1569 | } |
d973c4f0 DS |
1570 | /* Only go back to the default advertisement-interval if the user had not |
1571 | * already configured it */ | |
1572 | else if (!CHECK_FLAG (peer->config, PEER_CONFIG_ROUTEADV)) | |
ffd0c037 DS |
1573 | { |
1574 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
1575 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
1576 | else | |
1577 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
1578 | } | |
718e3744 | 1579 | /* TTL reset */ |
1580 | if (peer_sort (peer) == BGP_PEER_IBGP) | |
9b1be336 | 1581 | peer->ttl = MAXTTL; |
718e3744 | 1582 | else if (type == BGP_PEER_IBGP) |
1583 | peer->ttl = 1; | |
1584 | ||
1585 | /* reflector-client reset */ | |
1586 | if (peer_sort (peer) != BGP_PEER_IBGP) | |
1587 | { | |
1588 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_UNICAST], | |
1589 | PEER_FLAG_REFLECTOR_CLIENT); | |
1590 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_MULTICAST], | |
1591 | PEER_FLAG_REFLECTOR_CLIENT); | |
1592 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_MPLS_VPN], | |
1593 | PEER_FLAG_REFLECTOR_CLIENT); | |
587ff0fd LB |
1594 | UNSET_FLAG (peer->af_flags[AFI_IP][SAFI_ENCAP], |
1595 | PEER_FLAG_REFLECTOR_CLIENT); | |
718e3744 | 1596 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_UNICAST], |
1597 | PEER_FLAG_REFLECTOR_CLIENT); | |
1598 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_MULTICAST], | |
1599 | PEER_FLAG_REFLECTOR_CLIENT); | |
945c8fe9 LB |
1600 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_MPLS_VPN], |
1601 | PEER_FLAG_REFLECTOR_CLIENT); | |
587ff0fd LB |
1602 | UNSET_FLAG (peer->af_flags[AFI_IP6][SAFI_ENCAP], |
1603 | PEER_FLAG_REFLECTOR_CLIENT); | |
718e3744 | 1604 | } |
1605 | ||
1606 | /* local-as reset */ | |
1607 | if (peer_sort (peer) != BGP_PEER_EBGP) | |
1608 | { | |
1609 | peer->change_local_as = 0; | |
1610 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
9d3f9705 | 1611 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); |
718e3744 | 1612 | } |
1613 | } | |
1614 | ||
1615 | /* If peer does not exist, create new one. If peer already exists, | |
1616 | set AS number to the peer. */ | |
1617 | int | |
0299c004 DS |
1618 | peer_remote_as (struct bgp *bgp, union sockunion *su, const char *conf_if, |
1619 | as_t *as, int as_type, afi_t afi, safi_t safi) | |
718e3744 | 1620 | { |
1621 | struct peer *peer; | |
1622 | as_t local_as; | |
1623 | ||
a80beece DS |
1624 | if (conf_if) |
1625 | peer = peer_lookup_by_conf_if (bgp, conf_if); | |
1626 | else | |
1627 | peer = peer_lookup (bgp, su); | |
718e3744 | 1628 | |
1629 | if (peer) | |
1630 | { | |
f14e6fdb DS |
1631 | /* Not allowed for a dynamic peer. */ |
1632 | if (peer_dynamic_neighbor (peer)) | |
1633 | { | |
1634 | *as = peer->as; | |
1635 | return BGP_ERR_INVALID_FOR_DYNAMIC_PEER; | |
1636 | } | |
1637 | ||
718e3744 | 1638 | /* When this peer is a member of peer-group. */ |
1639 | if (peer->group) | |
1640 | { | |
1641 | if (peer->group->conf->as) | |
1642 | { | |
1643 | /* Return peer group's AS number. */ | |
1644 | *as = peer->group->conf->as; | |
1645 | return BGP_ERR_PEER_GROUP_MEMBER; | |
1646 | } | |
1647 | if (peer_sort (peer->group->conf) == BGP_PEER_IBGP) | |
1648 | { | |
0299c004 | 1649 | if ((as_type != AS_INTERNAL) && (bgp->as != *as)) |
718e3744 | 1650 | { |
1651 | *as = peer->as; | |
1652 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
1653 | } | |
1654 | } | |
1655 | else | |
1656 | { | |
0299c004 | 1657 | if ((as_type != AS_EXTERNAL) && (bgp->as == *as)) |
718e3744 | 1658 | { |
1659 | *as = peer->as; | |
1660 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
1661 | } | |
1662 | } | |
1663 | } | |
1664 | ||
1665 | /* Existing peer's AS number change. */ | |
9da3a1a1 DS |
1666 | if (((peer->as_type == AS_SPECIFIED) && peer->as != *as) || |
1667 | (peer->as_type != as_type)) | |
0299c004 | 1668 | peer_as_change (peer, *as, as_type); |
718e3744 | 1669 | } |
1670 | else | |
1671 | { | |
a80beece DS |
1672 | if (conf_if) |
1673 | return BGP_ERR_NO_INTERFACE_CONFIG; | |
718e3744 | 1674 | |
1675 | /* If the peer is not part of our confederation, and its not an | |
1676 | iBGP peer then spoof the source AS */ | |
1677 | if (bgp_config_check (bgp, BGP_CONFIG_CONFEDERATION) | |
1678 | && ! bgp_confederation_peers_check (bgp, *as) | |
1679 | && bgp->as != *as) | |
1680 | local_as = bgp->confed_id; | |
1681 | else | |
1682 | local_as = bgp->as; | |
1683 | ||
1684 | /* If this is IPv4 unicast configuration and "no bgp default | |
1685 | ipv4-unicast" is specified. */ | |
1686 | ||
1687 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4) | |
1688 | && afi == AFI_IP && safi == SAFI_UNICAST) | |
4799375a | 1689 | peer_create (su, conf_if, bgp, local_as, *as, as_type, 0, 0, NULL); |
718e3744 | 1690 | else |
4799375a | 1691 | peer_create (su, conf_if, bgp, local_as, *as, as_type, afi, safi, NULL); |
718e3744 | 1692 | } |
1693 | ||
1694 | return 0; | |
1695 | } | |
1696 | ||
c8560b44 DW |
1697 | static int |
1698 | non_peergroup_activate_af (struct peer *peer, afi_t afi, safi_t safi) | |
718e3744 | 1699 | { |
1700 | int active; | |
1701 | ||
718e3744 | 1702 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
718e3744 | 1703 | { |
c8560b44 DW |
1704 | zlog_err("%s was called for peer-group %s", __func__, peer->host); |
1705 | return 1; | |
1706 | } | |
718e3744 | 1707 | |
c8560b44 DW |
1708 | /* Nothing to do if we've already activated this peer */ |
1709 | if (peer->afc[afi][safi]) | |
1710 | return 0; | |
718e3744 | 1711 | |
c8560b44 DW |
1712 | if (peer_af_create(peer, afi, safi) == NULL) |
1713 | return 1; | |
3f9c7369 | 1714 | |
c8560b44 DW |
1715 | active = peer_active (peer); |
1716 | peer->afc[afi][safi] = 1; | |
1717 | ||
1718 | if (!active && peer_active (peer)) | |
1719 | { | |
1720 | bgp_timer_set (peer); | |
718e3744 | 1721 | } |
c8560b44 DW |
1722 | else |
1723 | { | |
1724 | if (peer->status == Established) | |
1725 | { | |
1726 | if (CHECK_FLAG (peer->cap, PEER_CAP_DYNAMIC_RCV)) | |
1727 | { | |
1728 | peer->afc_adv[afi][safi] = 1; | |
1729 | bgp_capability_send (peer, afi, safi, | |
1730 | CAPABILITY_CODE_MP, | |
1731 | CAPABILITY_ACTION_SET); | |
1732 | if (peer->afc_recv[afi][safi]) | |
1733 | { | |
1734 | peer->afc_nego[afi][safi] = 1; | |
1735 | bgp_announce_route (peer, afi, safi); | |
1736 | } | |
1737 | } | |
1738 | else | |
1739 | { | |
1740 | peer->last_reset = PEER_DOWN_AF_ACTIVATE; | |
1741 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1742 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1743 | } | |
1744 | } | |
1745 | } | |
1746 | ||
1747 | return 0; | |
718e3744 | 1748 | } |
1749 | ||
c8560b44 | 1750 | /* Activate the peer or peer group for specified AFI and SAFI. */ |
718e3744 | 1751 | int |
c8560b44 | 1752 | peer_activate (struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 1753 | { |
c8560b44 | 1754 | int ret = 0; |
718e3744 | 1755 | struct peer_group *group; |
1eb8ef25 | 1756 | struct listnode *node, *nnode; |
c8560b44 | 1757 | struct peer *tmp_peer; |
718e3744 | 1758 | |
c8560b44 DW |
1759 | /* Nothing to do if we've already activated this peer */ |
1760 | if (peer->afc[afi][safi]) | |
1761 | return ret; | |
1762 | ||
1763 | /* This is a peer-group so activate all of the members of the | |
1764 | * peer-group as well */ | |
718e3744 | 1765 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
1766 | { | |
c8560b44 | 1767 | peer->afc[afi][safi] = 1; |
718e3744 | 1768 | group = peer->group; |
1769 | ||
c8560b44 DW |
1770 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, tmp_peer)) |
1771 | { | |
1772 | ret |= non_peergroup_activate_af (tmp_peer, afi, safi); | |
1773 | } | |
718e3744 | 1774 | } |
1775 | else | |
1776 | { | |
c8560b44 DW |
1777 | ret |= non_peergroup_activate_af (peer, afi, safi); |
1778 | } | |
1779 | ||
1780 | return ret; | |
1781 | } | |
1782 | ||
1783 | static int | |
1784 | non_peergroup_deactivate_af (struct peer *peer, afi_t afi, safi_t safi) | |
1785 | { | |
1786 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1787 | { | |
1788 | zlog_err("%s was called for peer-group %s", __func__, peer->host); | |
1789 | return 1; | |
718e3744 | 1790 | } |
1791 | ||
c8560b44 | 1792 | /* Nothing to do if we've already deactivated this peer */ |
718e3744 | 1793 | if (! peer->afc[afi][safi]) |
1794 | return 0; | |
1795 | ||
1796 | /* De-activate the address family configuration. */ | |
1797 | peer->afc[afi][safi] = 0; | |
400b1fad | 1798 | |
3f9c7369 DS |
1799 | if (peer_af_delete(peer, afi, safi) != 0) |
1800 | { | |
1801 | zlog_err("couldn't delete af structure for peer %s", peer->host); | |
c8560b44 | 1802 | return 1; |
3f9c7369 | 1803 | } |
718e3744 | 1804 | |
c8560b44 DW |
1805 | if (peer->status == Established) |
1806 | { | |
1807 | if (CHECK_FLAG (peer->cap, PEER_CAP_DYNAMIC_RCV)) | |
1808 | { | |
1809 | peer->afc_adv[afi][safi] = 0; | |
1810 | peer->afc_nego[afi][safi] = 0; | |
718e3744 | 1811 | |
c8560b44 DW |
1812 | if (peer_active_nego (peer)) |
1813 | { | |
1814 | bgp_capability_send (peer, afi, safi, | |
1815 | CAPABILITY_CODE_MP, | |
1816 | CAPABILITY_ACTION_UNSET); | |
1817 | bgp_clear_route (peer, afi, safi); | |
1818 | peer->pcount[afi][safi] = 0; | |
1819 | } | |
1820 | else | |
e0701b79 | 1821 | { |
1822 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; | |
1823 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1824 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1825 | } | |
c8560b44 DW |
1826 | } |
1827 | else | |
1828 | { | |
1829 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; | |
1830 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
1831 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1832 | } | |
718e3744 | 1833 | } |
c8560b44 | 1834 | |
718e3744 | 1835 | return 0; |
1836 | } | |
1837 | ||
c8560b44 DW |
1838 | int |
1839 | peer_deactivate (struct peer *peer, afi_t afi, safi_t safi) | |
1840 | { | |
1841 | int ret = 0; | |
1842 | struct peer_group *group; | |
1843 | struct peer *tmp_peer; | |
1844 | struct listnode *node, *nnode; | |
1845 | ||
1846 | /* Nothing to do if we've already de-activated this peer */ | |
1847 | if (! peer->afc[afi][safi]) | |
1848 | return ret; | |
1849 | ||
1850 | /* This is a peer-group so de-activate all of the members of the | |
1851 | * peer-group as well */ | |
1852 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1853 | { | |
1854 | peer->afc[afi][safi] = 0; | |
1855 | group = peer->group; | |
1856 | ||
1857 | if (peer_af_delete(peer, afi, safi) != 0) | |
1858 | { | |
1859 | zlog_err("couldn't delete af structure for peer %s", peer->host); | |
1860 | } | |
1861 | ||
1862 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, tmp_peer)) | |
1863 | { | |
1864 | ret |= non_peergroup_deactivate_af (tmp_peer, afi, safi); | |
1865 | } | |
1866 | } | |
1867 | else | |
1868 | { | |
1869 | ret |= non_peergroup_deactivate_af (peer, afi, safi); | |
1870 | } | |
1871 | ||
1872 | return ret; | |
1873 | } | |
1874 | ||
4760600f DL |
1875 | int |
1876 | peer_afc_set (struct peer *peer, afi_t afi, safi_t safi, int enable) | |
1877 | { | |
1878 | if (enable) | |
1879 | return peer_activate (peer, afi, safi); | |
1880 | else | |
1881 | return peer_deactivate (peer, afi, safi); | |
1882 | } | |
1883 | ||
da88ea82 | 1884 | static void |
93406d87 | 1885 | peer_nsf_stop (struct peer *peer) |
1886 | { | |
1887 | afi_t afi; | |
1888 | safi_t safi; | |
1889 | ||
1890 | UNSET_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT); | |
1891 | UNSET_FLAG (peer->sflags, PEER_STATUS_NSF_MODE); | |
1892 | ||
1893 | for (afi = AFI_IP ; afi < AFI_MAX ; afi++) | |
0a28130d | 1894 | for (safi = SAFI_UNICAST ; safi < SAFI_RESERVED_3 ; safi++) |
93406d87 | 1895 | peer->nsf[afi][safi] = 0; |
1896 | ||
1897 | if (peer->t_gr_restart) | |
1898 | { | |
1899 | BGP_TIMER_OFF (peer->t_gr_restart); | |
16286195 | 1900 | if (bgp_debug_neighbor_events(peer)) |
93406d87 | 1901 | zlog_debug ("%s graceful restart timer stopped", peer->host); |
1902 | } | |
1903 | if (peer->t_gr_stale) | |
1904 | { | |
1905 | BGP_TIMER_OFF (peer->t_gr_stale); | |
16286195 | 1906 | if (bgp_debug_neighbor_events(peer)) |
93406d87 | 1907 | zlog_debug ("%s graceful restart stalepath timer stopped", peer->host); |
1908 | } | |
1909 | bgp_clear_route_all (peer); | |
1910 | } | |
1911 | ||
ca058a30 PJ |
1912 | /* Delete peer from confguration. |
1913 | * | |
1914 | * The peer is moved to a dead-end "Deleted" neighbour-state, to allow | |
1915 | * it to "cool off" and refcounts to hit 0, at which state it is freed. | |
1916 | * | |
1917 | * This function /should/ take care to be idempotent, to guard against | |
1918 | * it being called multiple times through stray events that come in | |
1919 | * that happen to result in this function being called again. That | |
1920 | * said, getting here for a "Deleted" peer is a bug in the neighbour | |
1921 | * FSM. | |
1922 | */ | |
718e3744 | 1923 | int |
1924 | peer_delete (struct peer *peer) | |
1925 | { | |
1926 | int i; | |
1927 | afi_t afi; | |
1928 | safi_t safi; | |
1929 | struct bgp *bgp; | |
1930 | struct bgp_filter *filter; | |
228da428 | 1931 | struct listnode *pn; |
019cbf70 | 1932 | int accept_peer; |
718e3744 | 1933 | |
ca058a30 | 1934 | assert (peer->status != Deleted); |
1ff9a340 | 1935 | |
718e3744 | 1936 | bgp = peer->bgp; |
019cbf70 | 1937 | accept_peer = CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER); |
718e3744 | 1938 | |
93406d87 | 1939 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT)) |
1940 | peer_nsf_stop (peer); | |
1941 | ||
1ff9a340 DS |
1942 | SET_FLAG(peer->flags, PEER_FLAG_DELETE); |
1943 | ||
228da428 | 1944 | /* If this peer belongs to peer group, clear up the |
718e3744 | 1945 | relationship. */ |
1946 | if (peer->group) | |
1947 | { | |
f14e6fdb DS |
1948 | if (peer_dynamic_neighbor(peer)) |
1949 | peer_drop_dynamic_neighbor(peer); | |
1950 | ||
ca058a30 PJ |
1951 | if ((pn = listnode_lookup (peer->group->peer, peer))) |
1952 | { | |
1953 | peer = peer_unlock (peer); /* group->peer list reference */ | |
1954 | list_delete_node (peer->group->peer, pn); | |
1955 | } | |
718e3744 | 1956 | peer->group = NULL; |
1957 | } | |
200df115 | 1958 | |
718e3744 | 1959 | /* Withdraw all information from routing table. We can not use |
200df115 | 1960 | * BGP_EVENT_ADD (peer, BGP_Stop) at here. Because the event is |
1961 | * executed after peer structure is deleted. | |
1962 | */ | |
e0701b79 | 1963 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; |
718e3744 | 1964 | bgp_stop (peer); |
1ff9a340 DS |
1965 | UNSET_FLAG(peer->flags, PEER_FLAG_DELETE); |
1966 | ||
1967 | if (peer->doppelganger) | |
9e08021c DW |
1968 | { |
1969 | peer->doppelganger->doppelganger = NULL; | |
1970 | peer->doppelganger = NULL; | |
1971 | } | |
1ff9a340 DS |
1972 | |
1973 | UNSET_FLAG(peer->sflags, PEER_STATUS_ACCEPT_PEER); | |
ca058a30 | 1974 | bgp_fsm_change_status (peer, Deleted); |
0df7c91f PJ |
1975 | |
1976 | /* Password configuration */ | |
1977 | if (peer->password) | |
1978 | { | |
1979 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
1980 | peer->password = NULL; | |
1981 | ||
019cbf70 | 1982 | if (!accept_peer && |
89ca90fa | 1983 | ! BGP_PEER_SU_UNSPEC(peer) && |
019cbf70 | 1984 | ! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
89ca90fa | 1985 | bgp_md5_unset (peer); |
0df7c91f PJ |
1986 | } |
1987 | ||
ca058a30 | 1988 | bgp_timer_set (peer); /* stops all timers for Deleted */ |
1ff9a340 | 1989 | |
718e3744 | 1990 | /* Delete from all peer list. */ |
228da428 CC |
1991 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) |
1992 | && (pn = listnode_lookup (bgp->peer, peer))) | |
fee0f4c6 | 1993 | { |
228da428 CC |
1994 | peer_unlock (peer); /* bgp peer list reference */ |
1995 | list_delete_node (bgp->peer, pn); | |
dd793e4a | 1996 | hash_release(bgp->peerhash, peer); |
228da428 | 1997 | } |
200df115 | 1998 | |
200df115 | 1999 | /* Buffers. */ |
718e3744 | 2000 | if (peer->ibuf) |
9e08021c DW |
2001 | { |
2002 | stream_free (peer->ibuf); | |
2003 | peer->ibuf = NULL; | |
2004 | } | |
2005 | ||
718e3744 | 2006 | if (peer->obuf) |
9e08021c DW |
2007 | { |
2008 | stream_fifo_free (peer->obuf); | |
2009 | peer->obuf = NULL; | |
2010 | } | |
2011 | ||
718e3744 | 2012 | if (peer->work) |
9e08021c DW |
2013 | { |
2014 | stream_free (peer->work); | |
2015 | peer->work = NULL; | |
2016 | } | |
2017 | ||
8c71e481 | 2018 | if (peer->scratch) |
9e08021c DW |
2019 | { |
2020 | stream_free(peer->scratch); | |
2021 | peer->scratch = NULL; | |
2022 | } | |
18937400 | 2023 | |
718e3744 | 2024 | /* Local and remote addresses. */ |
2025 | if (peer->su_local) | |
9e08021c DW |
2026 | { |
2027 | sockunion_free (peer->su_local); | |
2028 | peer->su_local = NULL; | |
2029 | } | |
2030 | ||
718e3744 | 2031 | if (peer->su_remote) |
9e08021c DW |
2032 | { |
2033 | sockunion_free (peer->su_remote); | |
2034 | peer->su_remote = NULL; | |
2035 | } | |
200df115 | 2036 | |
718e3744 | 2037 | /* Free filter related memory. */ |
2038 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
2039 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
2040 | { | |
2041 | filter = &peer->filter[afi][safi]; | |
2042 | ||
2043 | for (i = FILTER_IN; i < FILTER_MAX; i++) | |
2044 | { | |
2045 | if (filter->dlist[i].name) | |
9e08021c DW |
2046 | { |
2047 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[i].name); | |
2048 | filter->dlist[i].name = NULL; | |
2049 | } | |
2050 | ||
718e3744 | 2051 | if (filter->plist[i].name) |
9e08021c DW |
2052 | { |
2053 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[i].name); | |
2054 | filter->plist[i].name = NULL; | |
2055 | } | |
2056 | ||
718e3744 | 2057 | if (filter->aslist[i].name) |
9e08021c DW |
2058 | { |
2059 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[i].name); | |
2060 | filter->aslist[i].name = NULL; | |
2061 | } | |
200df115 | 2062 | } |
9e08021c | 2063 | |
200df115 | 2064 | for (i = RMAP_IN; i < RMAP_MAX; i++) |
2065 | { | |
718e3744 | 2066 | if (filter->map[i].name) |
9e08021c DW |
2067 | { |
2068 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[i].name); | |
2069 | filter->map[i].name = NULL; | |
2070 | } | |
718e3744 | 2071 | } |
2072 | ||
2073 | if (filter->usmap.name) | |
9e08021c DW |
2074 | { |
2075 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); | |
2076 | filter->usmap.name = NULL; | |
2077 | } | |
718e3744 | 2078 | |
2079 | if (peer->default_rmap[afi][safi].name) | |
9e08021c DW |
2080 | { |
2081 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); | |
2082 | peer->default_rmap[afi][safi].name = NULL; | |
2083 | } | |
718e3744 | 2084 | } |
3f9c7369 DS |
2085 | |
2086 | FOREACH_AFI_SAFI (afi, safi) | |
2087 | peer_af_delete (peer, afi, safi); | |
04b6bdc0 DW |
2088 | |
2089 | if (peer->hostname) | |
9e08021c | 2090 | { |
4a1ab8e4 | 2091 | XFREE(MTYPE_BGP_PEER_HOST, peer->hostname); |
9e08021c DW |
2092 | peer->hostname = NULL; |
2093 | } | |
2094 | ||
04b6bdc0 | 2095 | if (peer->domainname) |
9e08021c | 2096 | { |
4a1ab8e4 | 2097 | XFREE(MTYPE_BGP_PEER_HOST, peer->domainname); |
9e08021c DW |
2098 | peer->domainname = NULL; |
2099 | } | |
bb86c601 | 2100 | |
200df115 | 2101 | peer_unlock (peer); /* initial reference */ |
718e3744 | 2102 | |
2103 | return 0; | |
2104 | } | |
6b0655a2 | 2105 | |
94f2b392 | 2106 | static int |
718e3744 | 2107 | peer_group_cmp (struct peer_group *g1, struct peer_group *g2) |
2108 | { | |
2109 | return strcmp (g1->name, g2->name); | |
2110 | } | |
2111 | ||
718e3744 | 2112 | /* Peer group cofiguration. */ |
2113 | static struct peer_group * | |
66e5cd87 | 2114 | peer_group_new (void) |
718e3744 | 2115 | { |
4a1ab8e4 | 2116 | return (struct peer_group *) XCALLOC (MTYPE_PEER_GROUP, |
718e3744 | 2117 | sizeof (struct peer_group)); |
2118 | } | |
2119 | ||
94f2b392 | 2120 | static void |
718e3744 | 2121 | peer_group_free (struct peer_group *group) |
2122 | { | |
4a1ab8e4 | 2123 | XFREE (MTYPE_PEER_GROUP, group); |
718e3744 | 2124 | } |
2125 | ||
2126 | struct peer_group * | |
fd79ac91 | 2127 | peer_group_lookup (struct bgp *bgp, const char *name) |
718e3744 | 2128 | { |
2129 | struct peer_group *group; | |
1eb8ef25 | 2130 | struct listnode *node, *nnode; |
718e3744 | 2131 | |
1eb8ef25 | 2132 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 2133 | { |
2134 | if (strcmp (group->name, name) == 0) | |
2135 | return group; | |
2136 | } | |
2137 | return NULL; | |
2138 | } | |
2139 | ||
2140 | struct peer_group * | |
fd79ac91 | 2141 | peer_group_get (struct bgp *bgp, const char *name) |
718e3744 | 2142 | { |
2143 | struct peer_group *group; | |
f14e6fdb | 2144 | afi_t afi; |
718e3744 | 2145 | |
2146 | group = peer_group_lookup (bgp, name); | |
2147 | if (group) | |
2148 | return group; | |
2149 | ||
2150 | group = peer_group_new (); | |
2151 | group->bgp = bgp; | |
6e919709 | 2152 | if (group->name) |
4a1ab8e4 DL |
2153 | XFREE(MTYPE_PEER_GROUP_HOST, group->name); |
2154 | group->name = XSTRDUP(MTYPE_PEER_GROUP_HOST, name); | |
718e3744 | 2155 | group->peer = list_new (); |
f14e6fdb DS |
2156 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
2157 | group->listen_range[afi] = list_new (); | |
6f58544d | 2158 | group->conf = peer_new (bgp); |
718e3744 | 2159 | if (! bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) |
2160 | group->conf->afc[AFI_IP][SAFI_UNICAST] = 1; | |
6e919709 DS |
2161 | if (group->conf->host) |
2162 | XFREE(MTYPE_BGP_PEER_HOST, group->conf->host); | |
228da428 | 2163 | group->conf->host = XSTRDUP (MTYPE_BGP_PEER_HOST, name); |
718e3744 | 2164 | group->conf->group = group; |
2165 | group->conf->as = 0; | |
2166 | group->conf->ttl = 1; | |
fa411a21 | 2167 | group->conf->gtsm_hops = 0; |
718e3744 | 2168 | group->conf->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; |
2169 | UNSET_FLAG (group->conf->config, PEER_CONFIG_TIMER); | |
2170 | UNSET_FLAG (group->conf->config, PEER_CONFIG_CONNECT); | |
2171 | group->conf->keepalive = 0; | |
2172 | group->conf->holdtime = 0; | |
2173 | group->conf->connect = 0; | |
2174 | SET_FLAG (group->conf->sflags, PEER_STATUS_GROUP); | |
2175 | listnode_add_sort (bgp->group, group); | |
2176 | ||
2177 | return 0; | |
2178 | } | |
2179 | ||
94f2b392 | 2180 | static void |
a4ed4829 | 2181 | peer_group2peer_config_copy (struct peer_group *group, struct peer *peer) |
718e3744 | 2182 | { |
718e3744 | 2183 | struct peer *conf; |
8ffedcea | 2184 | int v6only; |
718e3744 | 2185 | |
2186 | conf = group->conf; | |
718e3744 | 2187 | |
2188 | /* remote-as */ | |
2189 | if (conf->as) | |
2190 | peer->as = conf->as; | |
2191 | ||
2192 | /* remote-as */ | |
2193 | if (conf->change_local_as) | |
2194 | peer->change_local_as = conf->change_local_as; | |
2195 | ||
2196 | /* TTL */ | |
2197 | peer->ttl = conf->ttl; | |
2198 | ||
fa411a21 NH |
2199 | /* GTSM hops */ |
2200 | peer->gtsm_hops = conf->gtsm_hops; | |
2201 | ||
718e3744 | 2202 | /* Weight */ |
2203 | peer->weight = conf->weight; | |
2204 | ||
8ffedcea DS |
2205 | /* this flag is per-neighbor and so has to be preserved */ |
2206 | v6only = CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY); | |
2207 | ||
718e3744 | 2208 | /* peer flags apply */ |
2209 | peer->flags = conf->flags; | |
8ffedcea DS |
2210 | |
2211 | if (v6only) | |
2212 | SET_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY); | |
2213 | ||
718e3744 | 2214 | /* peer config apply */ |
2215 | peer->config = conf->config; | |
2216 | ||
2217 | /* peer timers apply */ | |
2218 | peer->holdtime = conf->holdtime; | |
2219 | peer->keepalive = conf->keepalive; | |
2220 | peer->connect = conf->connect; | |
2221 | if (CHECK_FLAG (conf->config, PEER_CONFIG_CONNECT)) | |
2222 | peer->v_connect = conf->connect; | |
2223 | else | |
2224 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
2225 | ||
2226 | /* advertisement-interval reset */ | |
966f821c DS |
2227 | if (CHECK_FLAG (conf->config, PEER_CONFIG_ROUTEADV)) |
2228 | peer->v_routeadv = conf->routeadv; | |
718e3744 | 2229 | else |
966f821c DS |
2230 | if (peer_sort (peer) == BGP_PEER_IBGP) |
2231 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
2232 | else | |
2233 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
718e3744 | 2234 | |
0df7c91f | 2235 | /* password apply */ |
0e4303d3 | 2236 | if (conf->password && !peer->password) |
0df7c91f | 2237 | peer->password = XSTRDUP (MTYPE_PEER_PASSWORD, conf->password); |
0df7c91f | 2238 | |
89ca90fa | 2239 | if (! BGP_PEER_SU_UNSPEC(peer)) |
2240 | bgp_md5_set (peer); | |
0df7c91f | 2241 | |
718e3744 | 2242 | /* update-source apply */ |
2243 | if (conf->update_source) | |
2244 | { | |
2245 | if (peer->update_source) | |
2246 | sockunion_free (peer->update_source); | |
2247 | if (peer->update_if) | |
2248 | { | |
2249 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2250 | peer->update_if = NULL; | |
2251 | } | |
2252 | peer->update_source = sockunion_dup (conf->update_source); | |
2253 | } | |
2254 | else if (conf->update_if) | |
2255 | { | |
2256 | if (peer->update_if) | |
6e919709 | 2257 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if); |
718e3744 | 2258 | if (peer->update_source) |
2259 | { | |
2260 | sockunion_free (peer->update_source); | |
2261 | peer->update_source = NULL; | |
2262 | } | |
2263 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, conf->update_if); | |
2264 | } | |
8d78d851 | 2265 | |
2266 | bgp_bfd_peer_group2peer_copy(conf, peer); | |
a4ed4829 DW |
2267 | } |
2268 | ||
2269 | static void | |
2270 | peer_group2peer_config_copy_af (struct peer_group *group, struct peer *peer, | |
2271 | afi_t afi, safi_t safi) | |
2272 | { | |
2273 | int in = FILTER_IN; | |
2274 | int out = FILTER_OUT; | |
2275 | struct peer *conf; | |
2276 | struct bgp_filter *pfilter; | |
2277 | struct bgp_filter *gfilter; | |
2278 | ||
2279 | conf = group->conf; | |
2280 | pfilter = &peer->filter[afi][safi]; | |
2281 | gfilter = &conf->filter[afi][safi]; | |
2282 | ||
2283 | /* peer af_flags apply */ | |
2284 | peer->af_flags[afi][safi] = conf->af_flags[afi][safi]; | |
2285 | ||
2286 | /* maximum-prefix */ | |
2287 | peer->pmax[afi][safi] = conf->pmax[afi][safi]; | |
2288 | peer->pmax_threshold[afi][safi] = conf->pmax_threshold[afi][safi]; | |
2289 | peer->pmax_restart[afi][safi] = conf->pmax_restart[afi][safi]; | |
2290 | ||
2291 | /* allowas-in */ | |
2292 | peer->allowas_in[afi][safi] = conf->allowas_in[afi][safi]; | |
2293 | ||
2294 | /* default-originate route-map */ | |
2295 | if (conf->default_rmap[afi][safi].name) | |
2296 | { | |
2297 | if (peer->default_rmap[afi][safi].name) | |
2298 | XFREE(MTYPE_BGP_FILTER_NAME, peer->default_rmap[afi][safi].name); | |
2299 | peer->default_rmap[afi][safi].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, conf->default_rmap[afi][safi].name); | |
2300 | peer->default_rmap[afi][safi].map = conf->default_rmap[afi][safi].map; | |
2301 | } | |
718e3744 | 2302 | |
2303 | /* inbound filter apply */ | |
2304 | if (gfilter->dlist[in].name && ! pfilter->dlist[in].name) | |
2305 | { | |
2306 | if (pfilter->dlist[in].name) | |
6e919709 DS |
2307 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->dlist[in].name); |
2308 | pfilter->dlist[in].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->dlist[in].name); | |
718e3744 | 2309 | pfilter->dlist[in].alist = gfilter->dlist[in].alist; |
2310 | } | |
a4ed4829 | 2311 | |
718e3744 | 2312 | if (gfilter->plist[in].name && ! pfilter->plist[in].name) |
2313 | { | |
2314 | if (pfilter->plist[in].name) | |
6e919709 DS |
2315 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->plist[in].name); |
2316 | pfilter->plist[in].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->plist[in].name); | |
718e3744 | 2317 | pfilter->plist[in].plist = gfilter->plist[in].plist; |
2318 | } | |
a4ed4829 | 2319 | |
718e3744 | 2320 | if (gfilter->aslist[in].name && ! pfilter->aslist[in].name) |
2321 | { | |
2322 | if (pfilter->aslist[in].name) | |
6e919709 DS |
2323 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->aslist[in].name); |
2324 | pfilter->aslist[in].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->aslist[in].name); | |
718e3744 | 2325 | pfilter->aslist[in].aslist = gfilter->aslist[in].aslist; |
2326 | } | |
a4ed4829 | 2327 | |
fee0f4c6 | 2328 | if (gfilter->map[RMAP_IN].name && ! pfilter->map[RMAP_IN].name) |
718e3744 | 2329 | { |
fee0f4c6 | 2330 | if (pfilter->map[RMAP_IN].name) |
6e919709 DS |
2331 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->map[RMAP_IN].name); |
2332 | pfilter->map[RMAP_IN].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->map[RMAP_IN].name); | |
fee0f4c6 | 2333 | pfilter->map[RMAP_IN].map = gfilter->map[RMAP_IN].map; |
718e3744 | 2334 | } |
2335 | ||
2336 | /* outbound filter apply */ | |
2337 | if (gfilter->dlist[out].name) | |
2338 | { | |
2339 | if (pfilter->dlist[out].name) | |
6e919709 DS |
2340 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->dlist[out].name); |
2341 | pfilter->dlist[out].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->dlist[out].name); | |
718e3744 | 2342 | pfilter->dlist[out].alist = gfilter->dlist[out].alist; |
2343 | } | |
2344 | else | |
2345 | { | |
2346 | if (pfilter->dlist[out].name) | |
6e919709 | 2347 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->dlist[out].name); |
718e3744 | 2348 | pfilter->dlist[out].name = NULL; |
2349 | pfilter->dlist[out].alist = NULL; | |
2350 | } | |
a4ed4829 | 2351 | |
718e3744 | 2352 | if (gfilter->plist[out].name) |
2353 | { | |
2354 | if (pfilter->plist[out].name) | |
6e919709 DS |
2355 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->plist[out].name); |
2356 | pfilter->plist[out].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->plist[out].name); | |
718e3744 | 2357 | pfilter->plist[out].plist = gfilter->plist[out].plist; |
2358 | } | |
2359 | else | |
2360 | { | |
2361 | if (pfilter->plist[out].name) | |
6e919709 | 2362 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->plist[out].name); |
718e3744 | 2363 | pfilter->plist[out].name = NULL; |
2364 | pfilter->plist[out].plist = NULL; | |
2365 | } | |
a4ed4829 | 2366 | |
718e3744 | 2367 | if (gfilter->aslist[out].name) |
2368 | { | |
2369 | if (pfilter->aslist[out].name) | |
6e919709 DS |
2370 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->aslist[out].name); |
2371 | pfilter->aslist[out].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->aslist[out].name); | |
718e3744 | 2372 | pfilter->aslist[out].aslist = gfilter->aslist[out].aslist; |
2373 | } | |
2374 | else | |
2375 | { | |
2376 | if (pfilter->aslist[out].name) | |
6e919709 | 2377 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->aslist[out].name); |
718e3744 | 2378 | pfilter->aslist[out].name = NULL; |
2379 | pfilter->aslist[out].aslist = NULL; | |
2380 | } | |
a4ed4829 | 2381 | |
fee0f4c6 | 2382 | if (gfilter->map[RMAP_OUT].name) |
2383 | { | |
2384 | if (pfilter->map[RMAP_OUT].name) | |
6e919709 DS |
2385 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->map[RMAP_OUT].name); |
2386 | pfilter->map[RMAP_OUT].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->map[RMAP_OUT].name); | |
fee0f4c6 | 2387 | pfilter->map[RMAP_OUT].map = gfilter->map[RMAP_OUT].map; |
2388 | } | |
2389 | else | |
2390 | { | |
2391 | if (pfilter->map[RMAP_OUT].name) | |
6e919709 | 2392 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->map[RMAP_OUT].name); |
fee0f4c6 | 2393 | pfilter->map[RMAP_OUT].name = NULL; |
2394 | pfilter->map[RMAP_OUT].map = NULL; | |
2395 | } | |
2396 | ||
718e3744 | 2397 | if (gfilter->usmap.name) |
2398 | { | |
2399 | if (pfilter->usmap.name) | |
6e919709 DS |
2400 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->usmap.name); |
2401 | pfilter->usmap.name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->usmap.name); | |
718e3744 | 2402 | pfilter->usmap.map = gfilter->usmap.map; |
2403 | } | |
2404 | else | |
2405 | { | |
2406 | if (pfilter->usmap.name) | |
6e919709 | 2407 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->usmap.name); |
718e3744 | 2408 | pfilter->usmap.name = NULL; |
2409 | pfilter->usmap.map = NULL; | |
2410 | } | |
2411 | } | |
2412 | ||
2413 | /* Peer group's remote AS configuration. */ | |
2414 | int | |
0299c004 DS |
2415 | peer_group_remote_as (struct bgp *bgp, const char *group_name, |
2416 | as_t *as, int as_type) | |
718e3744 | 2417 | { |
2418 | struct peer_group *group; | |
2419 | struct peer *peer; | |
1eb8ef25 | 2420 | struct listnode *node, *nnode; |
718e3744 | 2421 | |
2422 | group = peer_group_lookup (bgp, group_name); | |
2423 | if (! group) | |
2424 | return -1; | |
2425 | ||
0299c004 | 2426 | if ((as_type == group->conf->as_type) && (group->conf->as == *as)) |
718e3744 | 2427 | return 0; |
2428 | ||
0299c004 | 2429 | |
718e3744 | 2430 | /* When we setup peer-group AS number all peer group member's AS |
2431 | number must be updated to same number. */ | |
0299c004 | 2432 | peer_as_change (group->conf, *as, as_type); |
718e3744 | 2433 | |
1eb8ef25 | 2434 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2435 | { |
9da3a1a1 DS |
2436 | if (((peer->as_type == AS_SPECIFIED) && peer->as != *as) || |
2437 | (peer->as_type != as_type)) | |
0299c004 | 2438 | peer_as_change (peer, *as, as_type); |
718e3744 | 2439 | } |
2440 | ||
2441 | return 0; | |
2442 | } | |
2443 | ||
2444 | int | |
2445 | peer_group_delete (struct peer_group *group) | |
2446 | { | |
2447 | struct bgp *bgp; | |
2448 | struct peer *peer; | |
f14e6fdb | 2449 | struct prefix *prefix; |
1ff9a340 | 2450 | struct peer *other; |
1eb8ef25 | 2451 | struct listnode *node, *nnode; |
f14e6fdb | 2452 | afi_t afi; |
718e3744 | 2453 | |
2454 | bgp = group->bgp; | |
2455 | ||
1eb8ef25 | 2456 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2457 | { |
1ff9a340 | 2458 | other = peer->doppelganger; |
718e3744 | 2459 | peer_delete (peer); |
1ff9a340 DS |
2460 | if (other && other->status != Deleted) |
2461 | { | |
2462 | other->group = NULL; | |
2463 | peer_delete(other); | |
2464 | } | |
718e3744 | 2465 | } |
2466 | list_delete (group->peer); | |
2467 | ||
f14e6fdb DS |
2468 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
2469 | { | |
2470 | for (ALL_LIST_ELEMENTS (group->listen_range[afi], node, nnode, prefix)) | |
2471 | { | |
2472 | prefix_free(prefix); | |
2473 | } | |
2474 | list_delete (group->listen_range[afi]); | |
2475 | } | |
2476 | ||
6e919709 | 2477 | XFREE(MTYPE_BGP_PEER_HOST, group->name); |
718e3744 | 2478 | group->name = NULL; |
2479 | ||
2480 | group->conf->group = NULL; | |
2481 | peer_delete (group->conf); | |
2482 | ||
2483 | /* Delete from all peer_group list. */ | |
2484 | listnode_delete (bgp->group, group); | |
2485 | ||
7f342629 | 2486 | bfd_info_free(&(group->conf->bfd_info)); |
c43ed2e4 | 2487 | |
718e3744 | 2488 | peer_group_free (group); |
2489 | ||
2490 | return 0; | |
2491 | } | |
2492 | ||
2493 | int | |
2494 | peer_group_remote_as_delete (struct peer_group *group) | |
2495 | { | |
1ff9a340 | 2496 | struct peer *peer, *other; |
1eb8ef25 | 2497 | struct listnode *node, *nnode; |
718e3744 | 2498 | |
0299c004 DS |
2499 | if ((group->conf->as_type == AS_UNSPECIFIED) || |
2500 | ((! group->conf->as) && (group->conf->as_type == AS_SPECIFIED))) | |
718e3744 | 2501 | return 0; |
2502 | ||
1eb8ef25 | 2503 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 2504 | { |
1ff9a340 DS |
2505 | other = peer->doppelganger; |
2506 | ||
718e3744 | 2507 | peer_delete (peer); |
1ff9a340 DS |
2508 | |
2509 | if (other && other->status != Deleted) | |
2510 | { | |
2511 | other->group = NULL; | |
2512 | peer_delete(other); | |
2513 | } | |
718e3744 | 2514 | } |
2515 | list_delete_all_node (group->peer); | |
2516 | ||
2517 | group->conf->as = 0; | |
0299c004 | 2518 | group->conf->as_type = AS_UNSPECIFIED; |
718e3744 | 2519 | |
2520 | return 0; | |
2521 | } | |
2522 | ||
f14e6fdb DS |
2523 | int |
2524 | peer_group_listen_range_add (struct peer_group *group, struct prefix *range) | |
2525 | { | |
2526 | struct prefix *prefix; | |
2527 | struct listnode *node, *nnode; | |
2528 | afi_t afi; | |
2529 | ||
2530 | afi = family2afi(range->family); | |
2531 | ||
2532 | /* Group needs remote AS configured. */ | |
2aab8d2b | 2533 | if (group->conf->as_type == AS_UNSPECIFIED) |
f14e6fdb DS |
2534 | return BGP_ERR_PEER_GROUP_NO_REMOTE_AS; |
2535 | ||
2536 | /* Ensure no duplicates. Currently we don't care about overlaps. */ | |
2537 | for (ALL_LIST_ELEMENTS (group->listen_range[afi], node, nnode, prefix)) | |
2538 | { | |
2539 | if (prefix_same(range, prefix)) | |
57e9ee0a | 2540 | return 0; |
f14e6fdb DS |
2541 | } |
2542 | ||
2543 | prefix = prefix_new(); | |
2544 | prefix_copy(prefix, range); | |
2545 | listnode_add(group->listen_range[afi], prefix); | |
2546 | return 0; | |
2547 | } | |
2548 | ||
2549 | int | |
2550 | peer_group_listen_range_del (struct peer_group *group, struct prefix *range) | |
2551 | { | |
40ee54a7 | 2552 | struct prefix *prefix, prefix2; |
f14e6fdb DS |
2553 | struct listnode *node, *nnode; |
2554 | struct peer *peer; | |
2555 | afi_t afi; | |
4690c7d7 | 2556 | char buf[PREFIX2STR_BUFFER]; |
f14e6fdb DS |
2557 | |
2558 | afi = family2afi(range->family); | |
2559 | ||
2560 | /* Identify the listen range. */ | |
2561 | for (ALL_LIST_ELEMENTS (group->listen_range[afi], node, nnode, prefix)) | |
2562 | { | |
2563 | if (prefix_same(range, prefix)) | |
2564 | break; | |
2565 | } | |
2566 | ||
2567 | if (!prefix) | |
2568 | return BGP_ERR_DYNAMIC_NEIGHBORS_RANGE_NOT_FOUND; | |
2569 | ||
2570 | prefix2str(prefix, buf, sizeof(buf)); | |
2571 | ||
2572 | /* Dispose off any dynamic neighbors that exist due to this listen range */ | |
2573 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
2574 | { | |
2575 | if (!peer_dynamic_neighbor (peer)) | |
2576 | continue; | |
2577 | ||
40ee54a7 TT |
2578 | sockunion2hostprefix(&peer->su, &prefix2); |
2579 | if (prefix_match(prefix, &prefix2)) | |
f14e6fdb DS |
2580 | { |
2581 | if (bgp_debug_neighbor_events(peer)) | |
2582 | zlog_debug ("Deleting dynamic neighbor %s group %s upon " | |
2583 | "delete of listen range %s", | |
2584 | peer->host, group->name, buf); | |
2585 | peer_delete (peer); | |
2586 | } | |
2587 | } | |
2588 | ||
2589 | /* Get rid of the listen range */ | |
2590 | listnode_delete(group->listen_range[afi], prefix); | |
2591 | ||
2592 | return 0; | |
2593 | } | |
2594 | ||
718e3744 | 2595 | /* Bind specified peer to peer group. */ |
2596 | int | |
a80beece | 2597 | peer_group_bind (struct bgp *bgp, union sockunion *su, struct peer *peer, |
c8560b44 | 2598 | struct peer_group *group, as_t *as) |
718e3744 | 2599 | { |
718e3744 | 2600 | int first_member = 0; |
c8560b44 DW |
2601 | afi_t afi; |
2602 | safi_t safi; | |
b3a39dc5 | 2603 | int cap_enhe_preset = 0; |
718e3744 | 2604 | |
2605 | /* Lookup the peer. */ | |
a80beece | 2606 | if (!peer) |
c8560b44 | 2607 | peer = peer_lookup (bgp, su); |
718e3744 | 2608 | |
c8560b44 DW |
2609 | /* The peer exist, bind it to the peer-group */ |
2610 | if (peer) | |
718e3744 | 2611 | { |
c8560b44 DW |
2612 | /* When the peer already belongs to peer group, check the consistency. */ |
2613 | if (peer_group_active (peer) && strcmp (peer->group->name, group->name) != 0) | |
4c48cf63 | 2614 | return BGP_ERR_PEER_GROUP_CANT_CHANGE; |
718e3744 | 2615 | |
c8560b44 DW |
2616 | /* The peer has not specified a remote-as, inherit it from the |
2617 | * peer-group */ | |
2618 | if (peer->as_type == AS_UNSPECIFIED) | |
2619 | { | |
2620 | peer->as_type = group->conf->as_type; | |
2621 | peer->as = group->conf->as; | |
2622 | } | |
200df115 | 2623 | |
c8560b44 DW |
2624 | if (! group->conf->as) |
2625 | { | |
2626 | if (peer_sort (group->conf) != BGP_PEER_INTERNAL | |
2627 | && peer_sort (group->conf) != peer_sort (peer)) | |
2628 | { | |
2629 | if (as) | |
2630 | *as = peer->as; | |
2631 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
2632 | } | |
718e3744 | 2633 | |
c8560b44 DW |
2634 | if (peer_sort (group->conf) == BGP_PEER_INTERNAL) |
2635 | first_member = 1; | |
2636 | } | |
718e3744 | 2637 | |
b3a39dc5 DD |
2638 | if (CHECK_FLAG (peer->flags, PEER_FLAG_CAPABILITY_ENHE)) |
2639 | cap_enhe_preset = 1; | |
2640 | ||
a4ed4829 DW |
2641 | peer_group2peer_config_copy(group, peer); |
2642 | ||
b3a39dc5 DD |
2643 | /* |
2644 | * Capability extended-nexthop is enabled for an interface neighbor by | |
2645 | * default. So, fix that up here. | |
2646 | */ | |
2647 | if (peer->ifp && cap_enhe_preset) | |
2648 | peer_flag_set (peer, PEER_FLAG_CAPABILITY_ENHE); | |
2649 | ||
c8560b44 DW |
2650 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
2651 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
2652 | { | |
2653 | if (group->conf->afc[afi][safi]) | |
2654 | { | |
2655 | peer->afc[afi][safi] = 1; | |
718e3744 | 2656 | |
c8560b44 DW |
2657 | if (peer_af_find(peer, afi, safi) || peer_af_create(peer, afi, safi)) |
2658 | { | |
a4ed4829 | 2659 | peer_group2peer_config_copy_af (group, peer, afi, safi); |
c8560b44 DW |
2660 | } |
2661 | } | |
2662 | } | |
718e3744 | 2663 | |
c8560b44 DW |
2664 | if (peer->group) |
2665 | { | |
2666 | assert (group && peer->group == group); | |
2667 | } | |
2668 | else | |
2669 | { | |
0aaa34db DS |
2670 | struct listnode *pn; |
2671 | pn = listnode_lookup (bgp->peer, peer); | |
2672 | list_delete_node (bgp->peer, pn); | |
c8560b44 | 2673 | peer->group = group; |
0aaa34db | 2674 | listnode_add_sort (bgp->peer, peer); |
718e3744 | 2675 | |
c8560b44 DW |
2676 | peer = peer_lock (peer); /* group->peer list reference */ |
2677 | listnode_add (group->peer, peer); | |
2678 | } | |
0299c004 | 2679 | |
c8560b44 DW |
2680 | if (first_member) |
2681 | { | |
2682 | /* Advertisement-interval reset */ | |
2683 | if (! CHECK_FLAG (group->conf->config, PEER_CONFIG_ROUTEADV)) | |
2684 | { | |
2685 | if (peer_sort (group->conf) == BGP_PEER_IBGP) | |
2686 | group->conf->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
2687 | else | |
2688 | group->conf->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
2689 | } | |
718e3744 | 2690 | |
c8560b44 DW |
2691 | /* ebgp-multihop reset */ |
2692 | if (peer_sort (group->conf) == BGP_PEER_IBGP) | |
9b1be336 | 2693 | group->conf->ttl = MAXTTL; |
718e3744 | 2694 | |
c8560b44 DW |
2695 | /* local-as reset */ |
2696 | if (peer_sort (group->conf) != BGP_PEER_EBGP) | |
2697 | { | |
2698 | group->conf->change_local_as = 0; | |
2699 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
2700 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
2701 | } | |
2702 | } | |
2703 | ||
2704 | SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE); | |
2705 | ||
2706 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
2707 | { | |
2708 | peer->last_reset = PEER_DOWN_RMAP_BIND; | |
2709 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2710 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2711 | } | |
2712 | else | |
2713 | { | |
2714 | bgp_session_reset(peer); | |
2715 | } | |
3f9c7369 | 2716 | } |
c8560b44 DW |
2717 | |
2718 | /* Create a new peer. */ | |
2719 | else | |
718e3744 | 2720 | { |
c8560b44 DW |
2721 | if ((group->conf->as_type == AS_SPECIFIED) && (! group->conf->as)) |
2722 | { | |
2723 | return BGP_ERR_PEER_GROUP_NO_REMOTE_AS; | |
2724 | } | |
2725 | ||
f813b13b | 2726 | peer = peer_create (su, NULL, bgp, bgp->as, group->conf->as, group->conf->as_type, 0, 0, group); |
c8560b44 | 2727 | |
ca058a30 | 2728 | peer = peer_lock (peer); /* group->peer list reference */ |
718e3744 | 2729 | listnode_add (group->peer, peer); |
718e3744 | 2730 | |
a4ed4829 DW |
2731 | peer_group2peer_config_copy(group, peer); |
2732 | ||
c8560b44 DW |
2733 | /* If the peer-group is active for this afi/safi then activate for this peer */ |
2734 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
2735 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
2736 | if (group->conf->afc[afi][safi]) | |
2737 | { | |
2738 | peer->afc[afi][safi] = 1; | |
2739 | peer_af_create(peer, afi, safi); | |
a4ed4829 | 2740 | peer_group2peer_config_copy_af (group, peer, afi, safi); |
c8560b44 | 2741 | } |
fee0f4c6 | 2742 | |
c8560b44 | 2743 | SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE); |
718e3744 | 2744 | |
c8560b44 DW |
2745 | /* Set up peer's events and timers. */ |
2746 | if (peer_active (peer)) | |
2747 | bgp_timer_set (peer); | |
e0701b79 | 2748 | } |
718e3744 | 2749 | |
2750 | return 0; | |
2751 | } | |
2752 | ||
2753 | int | |
2754 | peer_group_unbind (struct bgp *bgp, struct peer *peer, | |
c8560b44 | 2755 | struct peer_group *group) |
718e3744 | 2756 | { |
1ff9a340 | 2757 | struct peer *other; |
c8560b44 DW |
2758 | afi_t afi; |
2759 | safi_t safi; | |
718e3744 | 2760 | |
2761 | if (group != peer->group) | |
2762 | return BGP_ERR_PEER_GROUP_MISMATCH; | |
2763 | ||
c8560b44 DW |
2764 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
2765 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
2766 | { | |
2767 | if (peer->afc[afi][safi]) | |
2768 | { | |
2769 | peer->afc[afi][safi] = 0; | |
2770 | peer_af_flag_reset (peer, afi, safi); | |
718e3744 | 2771 | |
c8560b44 DW |
2772 | if (peer_af_delete(peer, afi, safi) != 0) |
2773 | { | |
2774 | zlog_err("couldn't delete af structure for peer %s", peer->host); | |
2775 | } | |
2776 | } | |
2777 | } | |
2778 | ||
2779 | assert (listnode_lookup (group->peer, peer)); | |
2780 | peer_unlock (peer); /* peer group list reference */ | |
2781 | listnode_delete (group->peer, peer); | |
2782 | peer->group = NULL; | |
2783 | other = peer->doppelganger; | |
2784 | ||
2785 | if (group->conf->as) | |
718e3744 | 2786 | { |
c8560b44 DW |
2787 | peer_delete (peer); |
2788 | if (other && other->status != Deleted) | |
2789 | { | |
2790 | if (other->group) | |
2791 | { | |
2792 | peer_unlock(other); | |
2793 | listnode_delete(group->peer, other); | |
2794 | } | |
2795 | other->group = NULL; | |
2796 | peer_delete(other); | |
2797 | } | |
2798 | return 0; | |
718e3744 | 2799 | } |
2800 | ||
c8560b44 DW |
2801 | bgp_bfd_deregister_peer(peer); |
2802 | peer_global_config_reset (peer); | |
2803 | ||
6aa136f1 | 2804 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 2805 | { |
2806 | peer->last_reset = PEER_DOWN_RMAP_UNBIND; | |
2807 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
2808 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2809 | } | |
718e3744 | 2810 | else |
1ff9a340 | 2811 | bgp_session_reset(peer); |
718e3744 | 2812 | |
2813 | return 0; | |
2814 | } | |
6b0655a2 | 2815 | |
fe7d2a48 DS |
2816 | static int |
2817 | bgp_startup_timer_expire (struct thread *thread) | |
2818 | { | |
2819 | struct bgp *bgp; | |
2820 | ||
2821 | bgp = THREAD_ARG (thread); | |
2822 | bgp->t_startup = NULL; | |
2823 | ||
2824 | return 0; | |
2825 | } | |
2826 | ||
718e3744 | 2827 | /* BGP instance creation by `router bgp' commands. */ |
94f2b392 | 2828 | static struct bgp * |
ad4cbda1 | 2829 | bgp_create (as_t *as, const char *name, enum bgp_instance_type inst_type) |
718e3744 | 2830 | { |
2831 | struct bgp *bgp; | |
2832 | afi_t afi; | |
2833 | safi_t safi; | |
2834 | ||
200df115 | 2835 | if ( (bgp = XCALLOC (MTYPE_BGP, sizeof (struct bgp))) == NULL) |
2836 | return NULL; | |
2837 | ||
ad4cbda1 | 2838 | if (BGP_DEBUG (zebra, ZEBRA)) |
2839 | { | |
2840 | if (inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
2841 | zlog_debug("Creating Default VRF, AS %u", *as); | |
2842 | else | |
2843 | zlog_debug("Creating %s %s, AS %u", | |
2844 | (inst_type == BGP_INSTANCE_TYPE_VRF) ? "VRF" : "VIEW", | |
2845 | name, *as); | |
2846 | } | |
2847 | ||
0088b5dc | 2848 | bgp_lock (bgp); |
ad4cbda1 | 2849 | bgp->inst_type = inst_type; |
5c81a5f3 | 2850 | bgp->vrf_id = (inst_type == BGP_INSTANCE_TYPE_DEFAULT) ? |
2851 | VRF_DEFAULT : VRF_UNKNOWN; | |
6f58544d | 2852 | bgp->peer_self = peer_new (bgp); |
6e919709 DS |
2853 | if (bgp->peer_self->host) |
2854 | XFREE(MTYPE_BGP_PEER_HOST, bgp->peer_self->host); | |
2855 | bgp->peer_self->host = XSTRDUP(MTYPE_BGP_PEER_HOST, "Static announcement"); | |
718e3744 | 2856 | bgp->peer = list_new (); |
2857 | bgp->peer->cmp = (int (*)(void *, void *)) peer_cmp; | |
dd793e4a | 2858 | bgp->peerhash = hash_create (peer_hash_key_make, peer_hash_cmp); |
718e3744 | 2859 | |
2860 | bgp->group = list_new (); | |
2861 | bgp->group->cmp = (int (*)(void *, void *)) peer_group_cmp; | |
2862 | ||
2863 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
2864 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
2865 | { | |
64e580a7 PJ |
2866 | bgp->route[afi][safi] = bgp_table_init (afi, safi); |
2867 | bgp->aggregate[afi][safi] = bgp_table_init (afi, safi); | |
2868 | bgp->rib[afi][safi] = bgp_table_init (afi, safi); | |
219178b6 DW |
2869 | |
2870 | /* Enable maximum-paths */ | |
d5b77cc2 DS |
2871 | bgp_maximum_paths_set (bgp, afi, safi, BGP_PEER_EBGP, MULTIPATH_NUM, 0); |
2872 | bgp_maximum_paths_set (bgp, afi, safi, BGP_PEER_IBGP, MULTIPATH_NUM, 0); | |
718e3744 | 2873 | } |
2874 | ||
f188f2c4 | 2875 | bgp->v_update_delay = BGP_UPDATE_DELAY_DEF; |
718e3744 | 2876 | bgp->default_local_pref = BGP_DEFAULT_LOCAL_PREF; |
3f9c7369 | 2877 | bgp->default_subgroup_pkt_queue_max = BGP_DEFAULT_SUBGROUP_PKT_QUEUE_MAX; |
718e3744 | 2878 | bgp->default_holdtime = BGP_DEFAULT_HOLDTIME; |
2879 | bgp->default_keepalive = BGP_DEFAULT_KEEPALIVE; | |
538621f2 | 2880 | bgp->restart_time = BGP_DEFAULT_RESTART_TIME; |
2881 | bgp->stalepath_time = BGP_DEFAULT_STALEPATH_TIME; | |
f14e6fdb DS |
2882 | bgp->dynamic_neighbors_limit = BGP_DYNAMIC_NEIGHBORS_LIMIT_DEFAULT; |
2883 | bgp->dynamic_neighbors_count = 0; | |
5623e905 | 2884 | bgp_flag_set (bgp, BGP_FLAG_IMPORT_CHECK); |
15f3b5c0 | 2885 | bgp_flag_set (bgp, BGP_FLAG_SHOW_HOSTNAME); |
6793fbe0 | 2886 | bgp_flag_set (bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES); |
1475ac87 | 2887 | bgp_flag_set (bgp, BGP_FLAG_DETERMINISTIC_MED); |
adbac85e | 2888 | bgp->addpath_tx_id = BGP_ADDPATH_TX_ID_FOR_DEFAULT_ORIGINATE; |
718e3744 | 2889 | |
2890 | bgp->as = *as; | |
2891 | ||
65efcfce LB |
2892 | #if ENABLE_BGP_VNC |
2893 | bgp->rfapi = bgp_rfapi_new(bgp); | |
2894 | assert(bgp->rfapi); | |
2895 | assert(bgp->rfapi_cfg); | |
2896 | #endif /* ENABLE_BGP_VNC */ | |
2897 | ||
718e3744 | 2898 | if (name) |
6aeb9e78 DS |
2899 | { |
2900 | bgp->name = XSTRDUP(MTYPE_BGP, name); | |
2901 | } | |
2902 | else | |
2903 | { | |
ad4cbda1 | 2904 | /* TODO - The startup timer needs to be run for the whole of BGP */ |
6aeb9e78 DS |
2905 | THREAD_TIMER_ON (bm->master, bgp->t_startup, bgp_startup_timer_expire, |
2906 | bgp, bgp->restart_time); | |
2907 | } | |
718e3744 | 2908 | |
cb1faec9 | 2909 | bgp->wpkt_quanta = BGP_WRITE_PACKET_MAX; |
3f9c7369 | 2910 | bgp->coalesce_time = BGP_DEFAULT_SUBGROUP_COALESCE_TIME; |
cb1faec9 | 2911 | |
6aeb9e78 DS |
2912 | update_bgp_group_init(bgp); |
2913 | return bgp; | |
2914 | } | |
2915 | ||
ad4cbda1 | 2916 | /* Return the "default VRF" instance of BGP. */ |
718e3744 | 2917 | struct bgp * |
94f2b392 | 2918 | bgp_get_default (void) |
718e3744 | 2919 | { |
ad4cbda1 | 2920 | struct bgp *bgp; |
2921 | struct listnode *node, *nnode; | |
2922 | ||
2923 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) | |
2924 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
2925 | return bgp; | |
718e3744 | 2926 | return NULL; |
2927 | } | |
2928 | ||
2929 | /* Lookup BGP entry. */ | |
2930 | struct bgp * | |
fd79ac91 | 2931 | bgp_lookup (as_t as, const char *name) |
718e3744 | 2932 | { |
2933 | struct bgp *bgp; | |
1eb8ef25 | 2934 | struct listnode *node, *nnode; |
718e3744 | 2935 | |
1eb8ef25 | 2936 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) |
718e3744 | 2937 | if (bgp->as == as |
2938 | && ((bgp->name == NULL && name == NULL) | |
2939 | || (bgp->name && name && strcmp (bgp->name, name) == 0))) | |
2940 | return bgp; | |
2941 | return NULL; | |
2942 | } | |
2943 | ||
2944 | /* Lookup BGP structure by view name. */ | |
2945 | struct bgp * | |
fd79ac91 | 2946 | bgp_lookup_by_name (const char *name) |
718e3744 | 2947 | { |
2948 | struct bgp *bgp; | |
1eb8ef25 | 2949 | struct listnode *node, *nnode; |
718e3744 | 2950 | |
1eb8ef25 | 2951 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) |
718e3744 | 2952 | if ((bgp->name == NULL && name == NULL) |
2953 | || (bgp->name && name && strcmp (bgp->name, name) == 0)) | |
2954 | return bgp; | |
2955 | return NULL; | |
2956 | } | |
2957 | ||
d1be1f08 | 2958 | /* Lookup BGP instance based on VRF id. */ |
2959 | /* Note: Only to be used for incoming messages from Zebra. */ | |
6aeb9e78 DS |
2960 | struct bgp * |
2961 | bgp_lookup_by_vrf_id (vrf_id_t vrf_id) | |
ad4cbda1 | 2962 | { |
2963 | struct vrf *vrf; | |
2964 | ||
d1be1f08 | 2965 | /* Lookup VRF (in tree) and follow link. */ |
2966 | vrf = vrf_lookup (vrf_id); | |
ad4cbda1 | 2967 | if (!vrf) |
d1be1f08 | 2968 | return NULL; |
2969 | return (vrf->info) ? (struct bgp *)vrf->info : NULL; | |
ad4cbda1 | 2970 | } |
2971 | ||
718e3744 | 2972 | /* Called from VTY commands. */ |
2973 | int | |
ad4cbda1 | 2974 | bgp_get (struct bgp **bgp_val, as_t *as, const char *name, |
2975 | enum bgp_instance_type inst_type) | |
718e3744 | 2976 | { |
2977 | struct bgp *bgp; | |
2978 | ||
2979 | /* Multiple instance check. */ | |
2980 | if (bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) | |
2981 | { | |
2982 | if (name) | |
2983 | bgp = bgp_lookup_by_name (name); | |
2984 | else | |
2985 | bgp = bgp_get_default (); | |
2986 | ||
2987 | /* Already exists. */ | |
2988 | if (bgp) | |
2989 | { | |
2990 | if (bgp->as != *as) | |
2991 | { | |
2992 | *as = bgp->as; | |
2993 | return BGP_ERR_INSTANCE_MISMATCH; | |
2994 | } | |
ad4cbda1 | 2995 | if (bgp->inst_type != inst_type) |
2996 | return BGP_ERR_INSTANCE_MISMATCH; | |
718e3744 | 2997 | *bgp_val = bgp; |
2998 | return 0; | |
2999 | } | |
3000 | } | |
3001 | else | |
3002 | { | |
3003 | /* BGP instance name can not be specified for single instance. */ | |
3004 | if (name) | |
3005 | return BGP_ERR_MULTIPLE_INSTANCE_NOT_SET; | |
3006 | ||
3007 | /* Get default BGP structure if exists. */ | |
3008 | bgp = bgp_get_default (); | |
3009 | ||
3010 | if (bgp) | |
3011 | { | |
3012 | if (bgp->as != *as) | |
3013 | { | |
3014 | *as = bgp->as; | |
3015 | return BGP_ERR_AS_MISMATCH; | |
3016 | } | |
3017 | *bgp_val = bgp; | |
3018 | return 0; | |
3019 | } | |
3020 | } | |
3021 | ||
ad4cbda1 | 3022 | bgp = bgp_create (as, name, inst_type); |
6aeb9e78 DS |
3023 | bgp_router_id_set(bgp, &bgp->router_id_zebra); |
3024 | bgp_address_init (bgp); | |
3025 | bgp_scan_init (bgp); | |
1758dbaa SA |
3026 | *bgp_val = bgp; |
3027 | ||
0de4848d | 3028 | bgp->t_rmap_def_originate_eval = NULL; |
518f0eb1 | 3029 | |
ad12dde6 | 3030 | /* Create BGP server socket, if first instance. */ |
cccbc015 PJ |
3031 | if (list_isempty(bm->bgp) |
3032 | && !bgp_option_check (BGP_OPT_NO_LISTEN)) | |
ad12dde6 PJ |
3033 | { |
3034 | if (bgp_socket (bm->port, bm->address) < 0) | |
3035 | return BGP_ERR_INVALID_VALUE; | |
3036 | } | |
3037 | ||
718e3744 | 3038 | listnode_add (bm->bgp, bgp); |
718e3744 | 3039 | |
d1be1f08 | 3040 | /* If Default instance or VRF, link to the VRF structure, if present. */ |
3041 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT || | |
3042 | bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
3043 | { | |
3044 | struct vrf *vrf; | |
3045 | ||
3046 | vrf = bgp_vrf_lookup_by_instance_type (bgp); | |
3047 | if (vrf) | |
b33adb7c | 3048 | { |
3049 | bgp_vrf_link (bgp, vrf); | |
3050 | bgp_if_init (bgp); | |
3051 | } | |
d1be1f08 | 3052 | } |
ad4cbda1 | 3053 | |
3054 | /* Register with Zebra, if needed */ | |
3055 | if (IS_BGP_INST_KNOWN_TO_ZEBRA(bgp)) | |
3056 | bgp_zebra_instance_register (bgp); | |
3057 | ||
6aeb9e78 | 3058 | |
718e3744 | 3059 | return 0; |
3060 | } | |
3061 | ||
ad4cbda1 | 3062 | /* |
3063 | * Make BGP instance "up". Applies only to VRFs (non-default) and | |
3064 | * implies the VRF has been learnt from Zebra. | |
3065 | */ | |
6aeb9e78 | 3066 | void |
ad4cbda1 | 3067 | bgp_instance_up (struct bgp *bgp) |
718e3744 | 3068 | { |
3069 | struct peer *peer; | |
ad4cbda1 | 3070 | struct listnode *node, *next; |
718e3744 | 3071 | |
ad4cbda1 | 3072 | /* Register with zebra. */ |
3073 | bgp_zebra_instance_register (bgp); | |
d4a7a753 | 3074 | |
ad4cbda1 | 3075 | /* Kick off any peers that may have been configured. */ |
cd92e548 DS |
3076 | for (ALL_LIST_ELEMENTS (bgp->peer, node, next, peer)) |
3077 | { | |
ad4cbda1 | 3078 | if (!BGP_PEER_START_SUPPRESSED (peer)) |
3079 | BGP_EVENT_ADD (peer, BGP_Start); | |
cd92e548 DS |
3080 | } |
3081 | ||
ad4cbda1 | 3082 | /* Process any networks that have been configured. */ |
3083 | bgp_static_add (bgp); | |
3084 | } | |
718e3744 | 3085 | |
ad4cbda1 | 3086 | /* |
3087 | * Make BGP instance "down". Applies only to VRFs (non-default) and | |
3088 | * implies the VRF has been deleted by Zebra. | |
3089 | */ | |
3090 | void | |
3091 | bgp_instance_down (struct bgp *bgp) | |
3092 | { | |
3093 | struct peer *peer; | |
3094 | struct listnode *node; | |
3095 | struct listnode *next; | |
718e3744 | 3096 | |
ad4cbda1 | 3097 | /* Stop timers. */ |
ad4cbda1 | 3098 | if (bgp->t_rmap_def_originate_eval) |
6aa136f1 | 3099 | { |
ad4cbda1 | 3100 | BGP_TIMER_OFF(bgp->t_rmap_def_originate_eval); |
3101 | bgp_unlock(bgp); /* TODO - This timer is started with a lock - why? */ | |
6aa136f1 | 3102 | } |
228da428 | 3103 | |
ad4cbda1 | 3104 | /* Bring down peers, so corresponding routes are purged. */ |
1ff9a340 DS |
3105 | for (ALL_LIST_ELEMENTS (bgp->peer, node, next, peer)) |
3106 | { | |
3107 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
ad4cbda1 | 3108 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN); |
3109 | else | |
3110 | bgp_session_reset(peer); | |
6aeb9e78 DS |
3111 | } |
3112 | ||
ad4cbda1 | 3113 | /* Purge network and redistributed routes. */ |
3114 | bgp_purge_static_redist_routes (bgp); | |
6aeb9e78 | 3115 | } |
1ff9a340 | 3116 | |
6aeb9e78 DS |
3117 | /* Delete BGP instance. */ |
3118 | int | |
3119 | bgp_delete (struct bgp *bgp) | |
3120 | { | |
3121 | struct peer *peer; | |
3122 | struct peer_group *group; | |
3123 | struct listnode *node, *next; | |
3124 | afi_t afi; | |
3125 | int i; | |
3126 | ||
7cb43556 | 3127 | THREAD_OFF (bgp->t_startup); |
3128 | ||
ad4cbda1 | 3129 | if (BGP_DEBUG (zebra, ZEBRA)) |
3130 | { | |
3131 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
3132 | zlog_debug("Deleting Default VRF"); | |
3133 | else | |
3134 | zlog_debug("Deleting %s %s", | |
3135 | (bgp->inst_type == BGP_INSTANCE_TYPE_VRF) ? "VRF" : "VIEW", | |
3136 | bgp->name); | |
3137 | } | |
3138 | ||
3139 | /* Stop timers. */ | |
ad4cbda1 | 3140 | if (bgp->t_rmap_def_originate_eval) |
3141 | { | |
3142 | BGP_TIMER_OFF(bgp->t_rmap_def_originate_eval); | |
3143 | bgp_unlock(bgp); /* TODO - This timer is started with a lock - why? */ | |
3144 | } | |
3145 | ||
3146 | /* Inform peers we're going down. */ | |
3147 | for (ALL_LIST_ELEMENTS (bgp->peer, node, next, peer)) | |
3148 | { | |
3149 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
3150 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN); | |
3151 | } | |
7cb43556 | 3152 | |
ad4cbda1 | 3153 | /* Delete static routes (networks). */ |
6aeb9e78 DS |
3154 | bgp_static_delete (bgp); |
3155 | ||
3156 | /* Unset redistribution. */ | |
3157 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3158 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
3159 | if (i != ZEBRA_ROUTE_BGP) | |
3160 | bgp_redistribute_unset (bgp, afi, i, 0); | |
3161 | ||
ad4cbda1 | 3162 | /* Free peers and peer-groups. */ |
6aeb9e78 | 3163 | for (ALL_LIST_ELEMENTS (bgp->group, node, next, group)) |
ad4cbda1 | 3164 | peer_group_delete (group); |
6aeb9e78 DS |
3165 | |
3166 | for (ALL_LIST_ELEMENTS (bgp->peer, node, next, peer)) | |
ad4cbda1 | 3167 | peer_delete (peer); |
1ff9a340 | 3168 | |
0088b5dc SH |
3169 | if (bgp->peer_self) { |
3170 | peer_delete(bgp->peer_self); | |
3171 | bgp->peer_self = NULL; | |
3172 | } | |
0de4848d | 3173 | |
3d68677e | 3174 | update_bgp_group_free (bgp); |
ad4cbda1 | 3175 | |
3176 | /* TODO - Other memory may need to be freed - e.g., NHT */ | |
3177 | ||
65efcfce LB |
3178 | #if ENABLE_BGP_VNC |
3179 | rfapi_delete(bgp); | |
3180 | bgp_cleanup_routes(); /* rfapi cleanup can create route entries! */ | |
3181 | #endif | |
3182 | ||
fd35b948 PJ |
3183 | /* Remove visibility via the master list - there may however still be |
3184 | * routes to be processed still referencing the struct bgp. | |
3185 | */ | |
3186 | listnode_delete (bm->bgp, bgp); | |
d023aec4 SH |
3187 | if (list_isempty(bm->bgp)) |
3188 | bgp_close (); | |
3189 | ||
ad4cbda1 | 3190 | /* Deregister from Zebra, if needed */ |
3191 | if (IS_BGP_INST_KNOWN_TO_ZEBRA(bgp)) | |
3192 | bgp_zebra_instance_deregister (bgp); | |
3193 | ||
009b18fc | 3194 | /* Free interfaces in this instance. */ |
3195 | bgp_if_finish (bgp); | |
3196 | ||
87d4a781 | 3197 | thread_master_free_unused(bm->master); |
0088b5dc | 3198 | bgp_unlock(bgp); /* initial reference */ |
6410e93a | 3199 | |
0088b5dc SH |
3200 | return 0; |
3201 | } | |
3202 | ||
3203 | static void bgp_free (struct bgp *); | |
3204 | ||
3205 | void | |
3206 | bgp_lock (struct bgp *bgp) | |
3207 | { | |
3208 | ++bgp->lock; | |
3209 | } | |
3210 | ||
3211 | void | |
3212 | bgp_unlock(struct bgp *bgp) | |
3213 | { | |
228da428 | 3214 | assert(bgp->lock > 0); |
0088b5dc SH |
3215 | if (--bgp->lock == 0) |
3216 | bgp_free (bgp); | |
3217 | } | |
3218 | ||
3219 | static void | |
3220 | bgp_free (struct bgp *bgp) | |
3221 | { | |
3222 | afi_t afi; | |
3223 | safi_t safi; | |
d3f5a0d3 | 3224 | struct vrf *vrf; |
0088b5dc SH |
3225 | |
3226 | list_delete (bgp->group); | |
3227 | list_delete (bgp->peer); | |
3ffe142a DW |
3228 | |
3229 | if (bgp->peerhash) | |
3230 | { | |
3231 | hash_free(bgp->peerhash); | |
3232 | bgp->peerhash = NULL; | |
3233 | } | |
fee0f4c6 | 3234 | |
718e3744 | 3235 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
3236 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3237 | { | |
3238 | if (bgp->route[afi][safi]) | |
228da428 | 3239 | bgp_table_finish (&bgp->route[afi][safi]); |
718e3744 | 3240 | if (bgp->aggregate[afi][safi]) |
228da428 | 3241 | bgp_table_finish (&bgp->aggregate[afi][safi]) ; |
718e3744 | 3242 | if (bgp->rib[afi][safi]) |
228da428 | 3243 | bgp_table_finish (&bgp->rib[afi][safi]); |
718e3744 | 3244 | } |
d3f5a0d3 | 3245 | |
5e6d589c DS |
3246 | bgp_address_destroy (bgp); |
3247 | ||
d3f5a0d3 | 3248 | /* If Default instance or VRF, unlink from the VRF structure. */ |
3249 | vrf = bgp_vrf_lookup_by_instance_type (bgp); | |
3250 | if (vrf) | |
3251 | bgp_vrf_unlink (bgp, vrf); | |
3252 | ||
4ac82321 | 3253 | if (bgp->name) |
3254 | XFREE(MTYPE_BGP, bgp->name); | |
3255 | ||
718e3744 | 3256 | XFREE (MTYPE_BGP, bgp); |
718e3744 | 3257 | } |
6b0655a2 | 3258 | |
a80beece DS |
3259 | struct peer * |
3260 | peer_lookup_by_conf_if (struct bgp *bgp, const char *conf_if) | |
3261 | { | |
3262 | struct peer *peer; | |
3263 | struct listnode *node, *nnode; | |
3264 | ||
3265 | if (!conf_if) | |
3266 | return NULL; | |
3267 | ||
3268 | if (bgp != NULL) | |
3269 | { | |
3270 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) | |
3271 | if (peer->conf_if && !strcmp(peer->conf_if, conf_if) | |
3272 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
3273 | return peer; | |
3274 | } | |
3275 | else if (bm->bgp != NULL) | |
3276 | { | |
3277 | struct listnode *bgpnode, *nbgpnode; | |
3278 | ||
3279 | for (ALL_LIST_ELEMENTS (bm->bgp, bgpnode, nbgpnode, bgp)) | |
3280 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) | |
3281 | if (peer->conf_if && !strcmp(peer->conf_if, conf_if) | |
3282 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
3283 | return peer; | |
3284 | } | |
3285 | return NULL; | |
3286 | } | |
3287 | ||
04b6bdc0 DW |
3288 | struct peer * |
3289 | peer_lookup_by_hostname (struct bgp *bgp, const char *hostname) | |
3290 | { | |
3291 | struct peer *peer; | |
3292 | struct listnode *node, *nnode; | |
3293 | ||
3294 | if (!hostname) | |
3295 | return NULL; | |
3296 | ||
3297 | if (bgp != NULL) | |
3298 | { | |
3299 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) | |
3300 | if (peer->hostname && !strcmp(peer->hostname, hostname) | |
3301 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
3302 | return peer; | |
3303 | } | |
3304 | else if (bm->bgp != NULL) | |
3305 | { | |
3306 | struct listnode *bgpnode, *nbgpnode; | |
3307 | ||
3308 | for (ALL_LIST_ELEMENTS (bm->bgp, bgpnode, nbgpnode, bgp)) | |
3309 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) | |
3310 | if (peer->hostname && !strcmp(peer->hostname, hostname) | |
3311 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER)) | |
3312 | return peer; | |
3313 | } | |
3314 | return NULL; | |
3315 | } | |
3316 | ||
718e3744 | 3317 | struct peer * |
3318 | peer_lookup (struct bgp *bgp, union sockunion *su) | |
3319 | { | |
dd793e4a DW |
3320 | struct peer *peer = NULL; |
3321 | struct peer tmp_peer; | |
3322 | ||
3323 | memset(&tmp_peer, 0, sizeof(struct peer)); | |
3324 | ||
3325 | /* | |
3326 | * We do not want to find the doppelganger peer so search for the peer in | |
3327 | * the hash that has PEER_FLAG_CONFIG_NODE | |
3328 | */ | |
3329 | SET_FLAG (tmp_peer.flags, PEER_FLAG_CONFIG_NODE); | |
3330 | ||
3331 | tmp_peer.su = *su; | |
718e3744 | 3332 | |
fc4dc59d | 3333 | if (bgp != NULL) |
fc4dc59d | 3334 | { |
dd793e4a | 3335 | peer = hash_lookup(bgp->peerhash, &tmp_peer); |
fc4dc59d | 3336 | } |
fc4dc59d | 3337 | else if (bm->bgp != NULL) |
718e3744 | 3338 | { |
2158ad23 PJ |
3339 | struct listnode *bgpnode, *nbgpnode; |
3340 | ||
3341 | for (ALL_LIST_ELEMENTS (bm->bgp, bgpnode, nbgpnode, bgp)) | |
dd793e4a | 3342 | { |
ad4cbda1 | 3343 | /* Skip VRFs, this function will not be invoked without an instance |
3344 | * when examining VRFs. | |
6aeb9e78 | 3345 | */ |
ad4cbda1 | 3346 | if (bgp->inst_type == BGP_INSTANCE_TYPE_VRF) |
6aeb9e78 DS |
3347 | continue; |
3348 | ||
dd793e4a DW |
3349 | peer = hash_lookup(bgp->peerhash, &tmp_peer); |
3350 | ||
3351 | if (peer) | |
3352 | break; | |
3353 | } | |
fc4dc59d | 3354 | } |
dd793e4a DW |
3355 | |
3356 | return peer; | |
718e3744 | 3357 | } |
3358 | ||
f14e6fdb DS |
3359 | struct peer * |
3360 | peer_create_bind_dynamic_neighbor (struct bgp *bgp, union sockunion *su, | |
3361 | struct peer_group *group) | |
3362 | { | |
3363 | struct peer *peer; | |
3364 | afi_t afi; | |
3365 | safi_t safi; | |
f14e6fdb DS |
3366 | |
3367 | /* Create peer first; we've already checked group config is valid. */ | |
f813b13b | 3368 | peer = peer_create (su, NULL, bgp, bgp->as, group->conf->as, group->conf->as_type, 0, 0, group); |
f14e6fdb DS |
3369 | if (!peer) |
3370 | return NULL; | |
3371 | ||
3372 | /* Link to group */ | |
f14e6fdb DS |
3373 | peer = peer_lock (peer); |
3374 | listnode_add (group->peer, peer); | |
3375 | ||
a4ed4829 DW |
3376 | peer_group2peer_config_copy(group, peer); |
3377 | ||
f14e6fdb DS |
3378 | /* |
3379 | * Bind peer for all AFs configured for the group. We don't call | |
3380 | * peer_group_bind as that is sub-optimal and does some stuff we don't want. | |
3381 | */ | |
3382 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3383 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
3384 | { | |
3385 | if (!group->conf->afc[afi][safi]) | |
3386 | continue; | |
f14e6fdb | 3387 | peer->afc[afi][safi] = 1; |
c8560b44 DW |
3388 | |
3389 | if (!peer_af_find(peer, afi, safi)) | |
3390 | peer_af_create(peer, afi, safi); | |
3391 | ||
a4ed4829 | 3392 | peer_group2peer_config_copy_af (group, peer, afi, safi); |
f14e6fdb DS |
3393 | } |
3394 | ||
3395 | /* Mark as dynamic, but also as a "config node" for other things to work. */ | |
3396 | SET_FLAG(peer->flags, PEER_FLAG_DYNAMIC_NEIGHBOR); | |
3397 | SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE); | |
3398 | ||
3399 | return peer; | |
3400 | } | |
3401 | ||
3402 | struct prefix * | |
3403 | peer_group_lookup_dynamic_neighbor_range (struct peer_group * group, | |
3404 | struct prefix * prefix) | |
3405 | { | |
3406 | struct listnode *node, *nnode; | |
3407 | struct prefix *range; | |
3408 | afi_t afi; | |
3409 | ||
3410 | afi = family2afi(prefix->family); | |
3411 | ||
3412 | if (group->listen_range[afi]) | |
3413 | for (ALL_LIST_ELEMENTS (group->listen_range[afi], node, nnode, range)) | |
3414 | if (prefix_match(range, prefix)) | |
3415 | return range; | |
3416 | ||
3417 | return NULL; | |
3418 | } | |
3419 | ||
3420 | struct peer_group * | |
3421 | peer_group_lookup_dynamic_neighbor (struct bgp *bgp, struct prefix *prefix, | |
3422 | struct prefix **listen_range) | |
3423 | { | |
3424 | struct prefix *range = NULL; | |
3425 | struct peer_group *group = NULL; | |
3426 | struct listnode *node, *nnode; | |
3427 | ||
3428 | *listen_range = NULL; | |
3429 | if (bgp != NULL) | |
3430 | { | |
3431 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) | |
3432 | if ((range = peer_group_lookup_dynamic_neighbor_range(group, prefix))) | |
3433 | break; | |
3434 | } | |
3435 | else if (bm->bgp != NULL) | |
3436 | { | |
3437 | struct listnode *bgpnode, *nbgpnode; | |
3438 | ||
3439 | for (ALL_LIST_ELEMENTS (bm->bgp, bgpnode, nbgpnode, bgp)) | |
3440 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) | |
3441 | if ((range = peer_group_lookup_dynamic_neighbor_range(group, prefix))) | |
2aab8d2b | 3442 | goto found_range; |
f14e6fdb DS |
3443 | } |
3444 | ||
2aab8d2b | 3445 | found_range: |
f14e6fdb DS |
3446 | *listen_range = range; |
3447 | return (group && range) ? group : NULL; | |
3448 | } | |
3449 | ||
3450 | struct peer * | |
3451 | peer_lookup_dynamic_neighbor (struct bgp *bgp, union sockunion *su) | |
3452 | { | |
3453 | struct peer_group *group; | |
3454 | struct bgp *gbgp; | |
3455 | struct peer *peer; | |
40ee54a7 | 3456 | struct prefix prefix; |
f14e6fdb DS |
3457 | struct prefix *listen_range; |
3458 | int dncount; | |
4690c7d7 DS |
3459 | char buf[PREFIX2STR_BUFFER]; |
3460 | char buf1[PREFIX2STR_BUFFER]; | |
f14e6fdb | 3461 | |
40ee54a7 | 3462 | sockunion2hostprefix(su, &prefix); |
f14e6fdb DS |
3463 | |
3464 | /* See if incoming connection matches a configured listen range. */ | |
40ee54a7 | 3465 | group = peer_group_lookup_dynamic_neighbor (bgp, &prefix, &listen_range); |
f14e6fdb DS |
3466 | |
3467 | if (! group) | |
3468 | return NULL; | |
3469 | ||
0299c004 | 3470 | |
f14e6fdb DS |
3471 | gbgp = group->bgp; |
3472 | ||
3473 | if (! gbgp) | |
3474 | return NULL; | |
3475 | ||
40ee54a7 | 3476 | prefix2str(&prefix, buf, sizeof(buf)); |
f14e6fdb DS |
3477 | prefix2str(listen_range, buf1, sizeof(buf1)); |
3478 | ||
3479 | if (bgp_debug_neighbor_events(NULL)) | |
3480 | zlog_debug ("Dynamic Neighbor %s matches group %s listen range %s", | |
3481 | buf, group->name, buf1); | |
3482 | ||
3483 | /* Are we within the listen limit? */ | |
3484 | dncount = gbgp->dynamic_neighbors_count; | |
3485 | ||
3486 | if (dncount >= gbgp->dynamic_neighbors_limit) | |
3487 | { | |
3488 | if (bgp_debug_neighbor_events(NULL)) | |
3489 | zlog_debug ("Dynamic Neighbor %s rejected - at limit %d", | |
3490 | inet_sutop (su, buf), gbgp->dynamic_neighbors_limit); | |
3491 | return NULL; | |
3492 | } | |
3493 | ||
3494 | /* Ensure group is not disabled. */ | |
3495 | if (CHECK_FLAG (group->conf->flags, PEER_FLAG_SHUTDOWN)) | |
3496 | { | |
3497 | if (bgp_debug_neighbor_events(NULL)) | |
3498 | zlog_debug ("Dynamic Neighbor %s rejected - group %s disabled", | |
3499 | buf, group->name); | |
3500 | return NULL; | |
3501 | } | |
3502 | ||
3503 | /* Check that at least one AF is activated for the group. */ | |
3504 | if (!peer_group_af_configured (group)) | |
3505 | { | |
3506 | if (bgp_debug_neighbor_events(NULL)) | |
3507 | zlog_debug ("Dynamic Neighbor %s rejected - no AF activated for group %s", | |
3508 | buf, group->name); | |
3509 | return NULL; | |
3510 | } | |
3511 | ||
3512 | /* Create dynamic peer and bind to associated group. */ | |
3513 | peer = peer_create_bind_dynamic_neighbor (gbgp, su, group); | |
3514 | assert (peer); | |
3515 | ||
3516 | gbgp->dynamic_neighbors_count = ++dncount; | |
3517 | ||
3518 | if (bgp_debug_neighbor_events(peer)) | |
3519 | zlog_debug ("%s Dynamic Neighbor added, group %s count %d", | |
3520 | peer->host, group->name, dncount); | |
3521 | ||
3522 | return peer; | |
3523 | } | |
3524 | ||
3525 | void peer_drop_dynamic_neighbor (struct peer *peer) | |
3526 | { | |
3527 | int dncount = -1; | |
3528 | if (peer->group && peer->group->bgp) | |
3529 | { | |
3530 | dncount = peer->group->bgp->dynamic_neighbors_count; | |
3531 | if (dncount) | |
3532 | peer->group->bgp->dynamic_neighbors_count = --dncount; | |
3533 | } | |
3534 | if (bgp_debug_neighbor_events(peer)) | |
3535 | zlog_debug ("%s dropped from group %s, count %d", | |
3536 | peer->host, peer->group->name, dncount); | |
3537 | } | |
3538 | ||
3539 | ||
718e3744 | 3540 | /* If peer is configured at least one address family return 1. */ |
3541 | int | |
3542 | peer_active (struct peer *peer) | |
3543 | { | |
a80beece DS |
3544 | if (BGP_PEER_SU_UNSPEC(peer)) |
3545 | return 0; | |
718e3744 | 3546 | if (peer->afc[AFI_IP][SAFI_UNICAST] |
3547 | || peer->afc[AFI_IP][SAFI_MULTICAST] | |
3548 | || peer->afc[AFI_IP][SAFI_MPLS_VPN] | |
587ff0fd | 3549 | || peer->afc[AFI_IP][SAFI_ENCAP] |
718e3744 | 3550 | || peer->afc[AFI_IP6][SAFI_UNICAST] |
945c8fe9 | 3551 | || peer->afc[AFI_IP6][SAFI_MULTICAST] |
587ff0fd LB |
3552 | || peer->afc[AFI_IP6][SAFI_MPLS_VPN] |
3553 | || peer->afc[AFI_IP6][SAFI_ENCAP]) | |
718e3744 | 3554 | return 1; |
3555 | return 0; | |
3556 | } | |
3557 | ||
3558 | /* If peer is negotiated at least one address family return 1. */ | |
3559 | int | |
3560 | peer_active_nego (struct peer *peer) | |
3561 | { | |
3562 | if (peer->afc_nego[AFI_IP][SAFI_UNICAST] | |
3563 | || peer->afc_nego[AFI_IP][SAFI_MULTICAST] | |
3564 | || peer->afc_nego[AFI_IP][SAFI_MPLS_VPN] | |
587ff0fd | 3565 | || peer->afc_nego[AFI_IP][SAFI_ENCAP] |
718e3744 | 3566 | || peer->afc_nego[AFI_IP6][SAFI_UNICAST] |
945c8fe9 | 3567 | || peer->afc_nego[AFI_IP6][SAFI_MULTICAST] |
587ff0fd LB |
3568 | || peer->afc_nego[AFI_IP6][SAFI_MPLS_VPN] |
3569 | || peer->afc_nego[AFI_IP6][SAFI_ENCAP]) | |
718e3744 | 3570 | return 1; |
3571 | return 0; | |
3572 | } | |
6b0655a2 | 3573 | |
718e3744 | 3574 | /* peer_flag_change_type. */ |
3575 | enum peer_change_type | |
3576 | { | |
3577 | peer_change_none, | |
3578 | peer_change_reset, | |
3579 | peer_change_reset_in, | |
3580 | peer_change_reset_out, | |
3581 | }; | |
3582 | ||
94f2b392 | 3583 | static void |
718e3744 | 3584 | peer_change_action (struct peer *peer, afi_t afi, safi_t safi, |
3585 | enum peer_change_type type) | |
3586 | { | |
3587 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3588 | return; | |
3589 | ||
d9d4ae51 SH |
3590 | if (peer->status != Established) |
3591 | return; | |
3592 | ||
718e3744 | 3593 | if (type == peer_change_reset) |
1ff9a340 DS |
3594 | { |
3595 | /* If we're resetting session, we've to delete both peer struct */ | |
3596 | if ((peer->doppelganger) && (peer->doppelganger->status != Deleted) | |
3597 | && (!CHECK_FLAG(peer->doppelganger->flags, | |
3598 | PEER_FLAG_CONFIG_NODE))) | |
3599 | peer_delete(peer->doppelganger); | |
3600 | ||
3601 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3602 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3603 | } | |
718e3744 | 3604 | else if (type == peer_change_reset_in) |
3605 | { | |
3606 | if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
3607 | || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
3608 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
3609 | else | |
1ff9a340 DS |
3610 | { |
3611 | if ((peer->doppelganger) && (peer->doppelganger->status != Deleted) | |
3612 | && (!CHECK_FLAG(peer->doppelganger->flags, | |
3613 | PEER_FLAG_CONFIG_NODE))) | |
3614 | peer_delete(peer->doppelganger); | |
3615 | ||
3616 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
3617 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3618 | } | |
718e3744 | 3619 | } |
3620 | else if (type == peer_change_reset_out) | |
3f9c7369 DS |
3621 | { |
3622 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
3623 | bgp_announce_route (peer, afi, safi); | |
3624 | } | |
718e3744 | 3625 | } |
3626 | ||
3627 | struct peer_flag_action | |
3628 | { | |
3629 | /* Peer's flag. */ | |
3630 | u_int32_t flag; | |
3631 | ||
3632 | /* This flag can be set for peer-group member. */ | |
3633 | u_char not_for_member; | |
3634 | ||
3635 | /* Action when the flag is changed. */ | |
3636 | enum peer_change_type type; | |
e0701b79 | 3637 | |
3638 | /* Peer down cause */ | |
3639 | u_char peer_down; | |
718e3744 | 3640 | }; |
3641 | ||
03621955 | 3642 | static const struct peer_flag_action peer_flag_action_list[] = |
718e3744 | 3643 | { |
3644 | { PEER_FLAG_PASSIVE, 0, peer_change_reset }, | |
3645 | { PEER_FLAG_SHUTDOWN, 0, peer_change_reset }, | |
3646 | { PEER_FLAG_DONT_CAPABILITY, 0, peer_change_none }, | |
3647 | { PEER_FLAG_OVERRIDE_CAPABILITY, 0, peer_change_none }, | |
3648 | { PEER_FLAG_STRICT_CAP_MATCH, 0, peer_change_none }, | |
718e3744 | 3649 | { PEER_FLAG_DYNAMIC_CAPABILITY, 0, peer_change_reset }, |
6ffd2079 | 3650 | { PEER_FLAG_DISABLE_CONNECTED_CHECK, 0, peer_change_reset }, |
8a92a8a0 | 3651 | { PEER_FLAG_CAPABILITY_ENHE, 0, peer_change_reset }, |
718e3744 | 3652 | { 0, 0, 0 } |
3653 | }; | |
3654 | ||
03621955 | 3655 | static const struct peer_flag_action peer_af_flag_action_list[] = |
718e3744 | 3656 | { |
718e3744 | 3657 | { PEER_FLAG_SEND_COMMUNITY, 1, peer_change_reset_out }, |
3658 | { PEER_FLAG_SEND_EXT_COMMUNITY, 1, peer_change_reset_out }, | |
adbac85e | 3659 | { PEER_FLAG_NEXTHOP_SELF, 1, peer_change_reset_out }, |
718e3744 | 3660 | { PEER_FLAG_REFLECTOR_CLIENT, 1, peer_change_reset }, |
3661 | { PEER_FLAG_RSERVER_CLIENT, 1, peer_change_reset }, | |
adbac85e | 3662 | { PEER_FLAG_SOFT_RECONFIG, 0, peer_change_reset_in }, |
718e3744 | 3663 | { PEER_FLAG_AS_PATH_UNCHANGED, 1, peer_change_reset_out }, |
3664 | { PEER_FLAG_NEXTHOP_UNCHANGED, 1, peer_change_reset_out }, | |
3665 | { PEER_FLAG_MED_UNCHANGED, 1, peer_change_reset_out }, | |
adbac85e | 3666 | // PEER_FLAG_DEFAULT_ORIGINATE |
718e3744 | 3667 | { PEER_FLAG_REMOVE_PRIVATE_AS, 1, peer_change_reset_out }, |
3668 | { PEER_FLAG_ALLOWAS_IN, 0, peer_change_reset_in }, | |
3669 | { PEER_FLAG_ORF_PREFIX_SM, 1, peer_change_reset }, | |
3670 | { PEER_FLAG_ORF_PREFIX_RM, 1, peer_change_reset }, | |
adbac85e DW |
3671 | // PEER_FLAG_MAX_PREFIX |
3672 | // PEER_FLAG_MAX_PREFIX_WARNING | |
fee0f4c6 | 3673 | { PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED, 0, peer_change_reset_out }, |
a538debe | 3674 | { PEER_FLAG_FORCE_NEXTHOP_SELF, 1, peer_change_reset_out }, |
adbac85e DW |
3675 | { PEER_FLAG_REMOVE_PRIVATE_AS_ALL, 1, peer_change_reset_out }, |
3676 | { PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE,1, peer_change_reset_out }, | |
c7122e14 | 3677 | { PEER_FLAG_AS_OVERRIDE, 1, peer_change_reset_out }, |
88b8ed8d | 3678 | { PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE,1, peer_change_reset_out }, |
adbac85e | 3679 | { PEER_FLAG_ADDPATH_TX_ALL_PATHS, 1, peer_change_reset }, |
06370dac | 3680 | { PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS, 1, peer_change_reset }, |
718e3744 | 3681 | { 0, 0, 0 } |
3682 | }; | |
3683 | ||
3684 | /* Proper action set. */ | |
94f2b392 | 3685 | static int |
03621955 | 3686 | peer_flag_action_set (const struct peer_flag_action *action_list, int size, |
718e3744 | 3687 | struct peer_flag_action *action, u_int32_t flag) |
3688 | { | |
3689 | int i; | |
3690 | int found = 0; | |
3691 | int reset_in = 0; | |
3692 | int reset_out = 0; | |
03621955 | 3693 | const struct peer_flag_action *match = NULL; |
718e3744 | 3694 | |
3695 | /* Check peer's frag action. */ | |
3696 | for (i = 0; i < size; i++) | |
3697 | { | |
3698 | match = &action_list[i]; | |
3699 | ||
3700 | if (match->flag == 0) | |
3701 | break; | |
3702 | ||
3703 | if (match->flag & flag) | |
3704 | { | |
3705 | found = 1; | |
3706 | ||
3707 | if (match->type == peer_change_reset_in) | |
3708 | reset_in = 1; | |
3709 | if (match->type == peer_change_reset_out) | |
3710 | reset_out = 1; | |
3711 | if (match->type == peer_change_reset) | |
3712 | { | |
3713 | reset_in = 1; | |
3714 | reset_out = 1; | |
3715 | } | |
3716 | if (match->not_for_member) | |
3717 | action->not_for_member = 1; | |
3718 | } | |
3719 | } | |
3720 | ||
3721 | /* Set peer clear type. */ | |
3722 | if (reset_in && reset_out) | |
3723 | action->type = peer_change_reset; | |
3724 | else if (reset_in) | |
3725 | action->type = peer_change_reset_in; | |
3726 | else if (reset_out) | |
3727 | action->type = peer_change_reset_out; | |
3728 | else | |
3729 | action->type = peer_change_none; | |
3730 | ||
3731 | return found; | |
3732 | } | |
3733 | ||
94f2b392 | 3734 | static void |
718e3744 | 3735 | peer_flag_modify_action (struct peer *peer, u_int32_t flag) |
3736 | { | |
3737 | if (flag == PEER_FLAG_SHUTDOWN) | |
3738 | { | |
3739 | if (CHECK_FLAG (peer->flags, flag)) | |
3740 | { | |
93406d87 | 3741 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT)) |
3742 | peer_nsf_stop (peer); | |
3743 | ||
0a486e5f | 3744 | UNSET_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); |
3745 | if (peer->t_pmax_restart) | |
3746 | { | |
3747 | BGP_TIMER_OFF (peer->t_pmax_restart); | |
16286195 | 3748 | if (bgp_debug_neighbor_events(peer)) |
0a486e5f | 3749 | zlog_debug ("%s Maximum-prefix restart timer canceled", |
3750 | peer->host); | |
3751 | } | |
3752 | ||
1ff9a340 DS |
3753 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_NSF_WAIT)) |
3754 | peer_nsf_stop (peer); | |
93406d87 | 3755 | |
6aa136f1 | 3756 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
718e3744 | 3757 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, |
3758 | BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN); | |
3759 | else | |
1ff9a340 | 3760 | bgp_session_reset(peer); |
718e3744 | 3761 | } |
3762 | else | |
3763 | { | |
3764 | peer->v_start = BGP_INIT_START_TIMER; | |
3765 | BGP_EVENT_ADD (peer, BGP_Stop); | |
3766 | } | |
3767 | } | |
6aa136f1 | 3768 | else if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
718e3744 | 3769 | { |
c9502438 | 3770 | if (flag == PEER_FLAG_DYNAMIC_CAPABILITY) |
3771 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
3772 | else if (flag == PEER_FLAG_PASSIVE) | |
3773 | peer->last_reset = PEER_DOWN_PASSIVE_CHANGE; | |
6ffd2079 | 3774 | else if (flag == PEER_FLAG_DISABLE_CONNECTED_CHECK) |
c9502438 | 3775 | peer->last_reset = PEER_DOWN_MULTIHOP_CHANGE; |
e0701b79 | 3776 | |
c9502438 | 3777 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, |
3778 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
718e3744 | 3779 | } |
3780 | else | |
1ff9a340 | 3781 | bgp_session_reset(peer); |
718e3744 | 3782 | } |
3783 | ||
3784 | /* Change specified peer flag. */ | |
94f2b392 | 3785 | static int |
718e3744 | 3786 | peer_flag_modify (struct peer *peer, u_int32_t flag, int set) |
3787 | { | |
3788 | int found; | |
3789 | int size; | |
3790 | struct peer_group *group; | |
a4ed4829 | 3791 | struct peer *tmp_peer; |
1eb8ef25 | 3792 | struct listnode *node, *nnode; |
718e3744 | 3793 | struct peer_flag_action action; |
3794 | ||
3795 | memset (&action, 0, sizeof (struct peer_flag_action)); | |
3796 | size = sizeof peer_flag_action_list / sizeof (struct peer_flag_action); | |
3797 | ||
3798 | found = peer_flag_action_set (peer_flag_action_list, size, &action, flag); | |
3799 | ||
3800 | /* No flag action is found. */ | |
3801 | if (! found) | |
3802 | return BGP_ERR_INVALID_FLAG; | |
3803 | ||
718e3744 | 3804 | /* When unset the peer-group member's flag we have to check |
3805 | peer-group configuration. */ | |
3806 | if (! set && peer_group_active (peer)) | |
3807 | if (CHECK_FLAG (peer->group->conf->flags, flag)) | |
3808 | { | |
3809 | if (flag == PEER_FLAG_SHUTDOWN) | |
3810 | return BGP_ERR_PEER_GROUP_SHUTDOWN; | |
718e3744 | 3811 | } |
3812 | ||
3813 | /* Flag conflict check. */ | |
3814 | if (set | |
3815 | && CHECK_FLAG (peer->flags | flag, PEER_FLAG_STRICT_CAP_MATCH) | |
3816 | && CHECK_FLAG (peer->flags | flag, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
3817 | return BGP_ERR_PEER_FLAG_CONFLICT; | |
3818 | ||
3819 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3820 | { | |
3821 | if (set && CHECK_FLAG (peer->flags, flag) == flag) | |
3822 | return 0; | |
3823 | if (! set && ! CHECK_FLAG (peer->flags, flag)) | |
3824 | return 0; | |
3825 | } | |
3826 | ||
3827 | if (set) | |
3828 | SET_FLAG (peer->flags, flag); | |
3829 | else | |
3830 | UNSET_FLAG (peer->flags, flag); | |
3831 | ||
3832 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3833 | { | |
3834 | if (action.type == peer_change_reset) | |
3835 | peer_flag_modify_action (peer, flag); | |
3836 | ||
3837 | return 0; | |
3838 | } | |
3839 | ||
3840 | /* peer-group member updates. */ | |
3841 | group = peer->group; | |
3842 | ||
a4ed4829 | 3843 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, tmp_peer)) |
718e3744 | 3844 | { |
a4ed4829 | 3845 | |
1a79ce38 | 3846 | if (set && CHECK_FLAG (tmp_peer->flags, flag) == flag) |
718e3744 | 3847 | continue; |
3848 | ||
1a79ce38 | 3849 | if (! set && ! CHECK_FLAG (tmp_peer->flags, flag)) |
718e3744 | 3850 | continue; |
3851 | ||
3852 | if (set) | |
a4ed4829 | 3853 | SET_FLAG (tmp_peer->flags, flag); |
718e3744 | 3854 | else |
a4ed4829 | 3855 | UNSET_FLAG (tmp_peer->flags, flag); |
718e3744 | 3856 | |
3857 | if (action.type == peer_change_reset) | |
a4ed4829 | 3858 | peer_flag_modify_action (tmp_peer, flag); |
718e3744 | 3859 | } |
3860 | return 0; | |
3861 | } | |
3862 | ||
3863 | int | |
3864 | peer_flag_set (struct peer *peer, u_int32_t flag) | |
3865 | { | |
3866 | return peer_flag_modify (peer, flag, 1); | |
3867 | } | |
3868 | ||
3869 | int | |
3870 | peer_flag_unset (struct peer *peer, u_int32_t flag) | |
3871 | { | |
3872 | return peer_flag_modify (peer, flag, 0); | |
3873 | } | |
3874 | ||
94f2b392 | 3875 | static int |
718e3744 | 3876 | peer_af_flag_modify (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag, |
3877 | int set) | |
3878 | { | |
3879 | int found; | |
3880 | int size; | |
1eb8ef25 | 3881 | struct listnode *node, *nnode; |
718e3744 | 3882 | struct peer_group *group; |
3883 | struct peer_flag_action action; | |
adbac85e DW |
3884 | struct peer *tmp_peer; |
3885 | struct bgp *bgp; | |
3886 | int addpath_tx_used; | |
718e3744 | 3887 | |
3888 | memset (&action, 0, sizeof (struct peer_flag_action)); | |
3889 | size = sizeof peer_af_flag_action_list / sizeof (struct peer_flag_action); | |
3890 | ||
3891 | found = peer_flag_action_set (peer_af_flag_action_list, size, &action, flag); | |
3892 | ||
3893 | /* No flag action is found. */ | |
3894 | if (! found) | |
3895 | return BGP_ERR_INVALID_FLAG; | |
3896 | ||
400b1fad | 3897 | /* Special check for reflector client. */ |
718e3744 | 3898 | if (flag & PEER_FLAG_REFLECTOR_CLIENT |
3899 | && peer_sort (peer) != BGP_PEER_IBGP) | |
3900 | return BGP_ERR_NOT_INTERNAL_PEER; | |
3901 | ||
400b1fad | 3902 | /* Special check for remove-private-AS. */ |
718e3744 | 3903 | if (flag & PEER_FLAG_REMOVE_PRIVATE_AS |
3904 | && peer_sort (peer) == BGP_PEER_IBGP) | |
3905 | return BGP_ERR_REMOVE_PRIVATE_AS; | |
3906 | ||
c7122e14 DS |
3907 | /* as-override is not allowed for IBGP peers */ |
3908 | if (flag & PEER_FLAG_AS_OVERRIDE | |
3909 | && peer_sort (peer) == BGP_PEER_IBGP) | |
3910 | return BGP_ERR_AS_OVERRIDE; | |
3911 | ||
718e3744 | 3912 | /* When current flag configuration is same as requested one. */ |
3913 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3914 | { | |
3915 | if (set && CHECK_FLAG (peer->af_flags[afi][safi], flag) == flag) | |
3916 | return 0; | |
3917 | if (! set && ! CHECK_FLAG (peer->af_flags[afi][safi], flag)) | |
3918 | return 0; | |
3919 | } | |
3920 | ||
3921 | if (set) | |
3922 | SET_FLAG (peer->af_flags[afi][safi], flag); | |
3923 | else | |
3924 | UNSET_FLAG (peer->af_flags[afi][safi], flag); | |
3925 | ||
3926 | /* Execute action when peer is established. */ | |
3927 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
3928 | && peer->status == Established) | |
3929 | { | |
3930 | if (! set && flag == PEER_FLAG_SOFT_RECONFIG) | |
3931 | bgp_clear_adj_in (peer, afi, safi); | |
3932 | else | |
e0701b79 | 3933 | { |
3934 | if (flag == PEER_FLAG_REFLECTOR_CLIENT) | |
3935 | peer->last_reset = PEER_DOWN_RR_CLIENT_CHANGE; | |
3936 | else if (flag == PEER_FLAG_RSERVER_CLIENT) | |
3937 | peer->last_reset = PEER_DOWN_RS_CLIENT_CHANGE; | |
3938 | else if (flag == PEER_FLAG_ORF_PREFIX_SM) | |
3939 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
3940 | else if (flag == PEER_FLAG_ORF_PREFIX_RM) | |
3941 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
3942 | ||
3943 | peer_change_action (peer, afi, safi, action.type); | |
3944 | } | |
3945 | ||
718e3744 | 3946 | } |
3947 | ||
3948 | /* Peer group member updates. */ | |
3949 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3950 | { | |
3951 | group = peer->group; | |
3952 | ||
adbac85e | 3953 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, tmp_peer)) |
718e3744 | 3954 | { |
adbac85e | 3955 | if (set && CHECK_FLAG (tmp_peer->af_flags[afi][safi], flag) == flag) |
718e3744 | 3956 | continue; |
3957 | ||
adbac85e | 3958 | if (! set && ! CHECK_FLAG (tmp_peer->af_flags[afi][safi], flag)) |
718e3744 | 3959 | continue; |
3960 | ||
3961 | if (set) | |
adbac85e | 3962 | SET_FLAG (tmp_peer->af_flags[afi][safi], flag); |
718e3744 | 3963 | else |
adbac85e | 3964 | UNSET_FLAG (tmp_peer->af_flags[afi][safi], flag); |
718e3744 | 3965 | |
adbac85e | 3966 | if (tmp_peer->status == Established) |
718e3744 | 3967 | { |
3968 | if (! set && flag == PEER_FLAG_SOFT_RECONFIG) | |
adbac85e | 3969 | bgp_clear_adj_in (tmp_peer, afi, safi); |
718e3744 | 3970 | else |
e0701b79 | 3971 | { |
3972 | if (flag == PEER_FLAG_REFLECTOR_CLIENT) | |
adbac85e | 3973 | tmp_peer->last_reset = PEER_DOWN_RR_CLIENT_CHANGE; |
e0701b79 | 3974 | else if (flag == PEER_FLAG_RSERVER_CLIENT) |
adbac85e | 3975 | tmp_peer->last_reset = PEER_DOWN_RS_CLIENT_CHANGE; |
e0701b79 | 3976 | else if (flag == PEER_FLAG_ORF_PREFIX_SM) |
adbac85e | 3977 | tmp_peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; |
e0701b79 | 3978 | else if (flag == PEER_FLAG_ORF_PREFIX_RM) |
adbac85e | 3979 | tmp_peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; |
e0701b79 | 3980 | |
adbac85e | 3981 | peer_change_action (tmp_peer, afi, safi, action.type); |
e0701b79 | 3982 | } |
718e3744 | 3983 | } |
3984 | } | |
3985 | } | |
adbac85e DW |
3986 | |
3987 | /* Track if addpath TX is in use */ | |
06370dac | 3988 | if (flag & (PEER_FLAG_ADDPATH_TX_ALL_PATHS|PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS)) |
adbac85e DW |
3989 | { |
3990 | bgp = peer->bgp; | |
3991 | addpath_tx_used = 0; | |
3992 | ||
3993 | if (set) | |
3994 | { | |
3995 | addpath_tx_used = 1; | |
06370dac DW |
3996 | |
3997 | if (flag & PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS) | |
3998 | { | |
3999 | if (!bgp_flag_check (bgp, BGP_FLAG_DETERMINISTIC_MED)) | |
4000 | { | |
4001 | zlog_warn("%s: enabling bgp deterministic-med, this is required"\ | |
4002 | " for addpath-tx-bestpath-per-AS", | |
4003 | peer->host); | |
4004 | bgp_flag_set (bgp, BGP_FLAG_DETERMINISTIC_MED); | |
4005 | bgp_recalculate_all_bestpaths (bgp); | |
4006 | } | |
4007 | } | |
adbac85e DW |
4008 | } |
4009 | else | |
4010 | { | |
4011 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, tmp_peer)) | |
4012 | { | |
06370dac DW |
4013 | if (CHECK_FLAG (tmp_peer->af_flags[afi][safi], PEER_FLAG_ADDPATH_TX_ALL_PATHS) || |
4014 | CHECK_FLAG (tmp_peer->af_flags[afi][safi], PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS)) | |
adbac85e DW |
4015 | { |
4016 | addpath_tx_used = 1; | |
4017 | break; | |
4018 | } | |
4019 | } | |
4020 | } | |
4021 | ||
4022 | bgp->addpath_tx_used[afi][safi] = addpath_tx_used; | |
4023 | } | |
4024 | ||
718e3744 | 4025 | return 0; |
4026 | } | |
4027 | ||
4028 | int | |
4029 | peer_af_flag_set (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
4030 | { | |
4031 | return peer_af_flag_modify (peer, afi, safi, flag, 1); | |
4032 | } | |
4033 | ||
4034 | int | |
4035 | peer_af_flag_unset (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
4036 | { | |
4037 | return peer_af_flag_modify (peer, afi, safi, flag, 0); | |
4038 | } | |
6b0655a2 | 4039 | |
718e3744 | 4040 | /* EBGP multihop configuration. */ |
4041 | int | |
4042 | peer_ebgp_multihop_set (struct peer *peer, int ttl) | |
4043 | { | |
4044 | struct peer_group *group; | |
1eb8ef25 | 4045 | struct listnode *node, *nnode; |
fa411a21 | 4046 | struct peer *peer1; |
718e3744 | 4047 | |
a80beece | 4048 | if (peer->sort == BGP_PEER_IBGP || peer->conf_if) |
718e3744 | 4049 | return 0; |
4050 | ||
fa411a21 NH |
4051 | /* see comment in peer_ttl_security_hops_set() */ |
4052 | if (ttl != MAXTTL) | |
4053 | { | |
4054 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4055 | { | |
4056 | group = peer->group; | |
4057 | if (group->conf->gtsm_hops != 0) | |
4058 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4059 | ||
4060 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer1)) | |
4061 | { | |
6d85b15b | 4062 | if (peer1->sort == BGP_PEER_IBGP) |
fa411a21 NH |
4063 | continue; |
4064 | ||
4065 | if (peer1->gtsm_hops != 0) | |
4066 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4067 | } | |
4068 | } | |
4069 | else | |
4070 | { | |
4071 | if (peer->gtsm_hops != 0) | |
4072 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4073 | } | |
4074 | } | |
4075 | ||
718e3744 | 4076 | peer->ttl = ttl; |
4077 | ||
4078 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4079 | { | |
6d85b15b | 4080 | if (peer->fd >= 0 && peer->sort != BGP_PEER_IBGP) |
e5cc509c DS |
4081 | { |
4082 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
4083 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4084 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4085 | else | |
4086 | bgp_session_reset(peer); | |
4087 | } | |
718e3744 | 4088 | } |
4089 | else | |
4090 | { | |
4091 | group = peer->group; | |
1eb8ef25 | 4092 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
eb821189 | 4093 | { |
6d85b15b | 4094 | if (peer->sort == BGP_PEER_IBGP) |
eb821189 | 4095 | continue; |
718e3744 | 4096 | |
eb821189 | 4097 | peer->ttl = group->conf->ttl; |
718e3744 | 4098 | |
e5cc509c DS |
4099 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
4100 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4101 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4102 | else | |
4103 | bgp_session_reset(peer); | |
eb821189 | 4104 | } |
718e3744 | 4105 | } |
4106 | return 0; | |
4107 | } | |
4108 | ||
4109 | int | |
4110 | peer_ebgp_multihop_unset (struct peer *peer) | |
4111 | { | |
4112 | struct peer_group *group; | |
1eb8ef25 | 4113 | struct listnode *node, *nnode; |
718e3744 | 4114 | |
6d85b15b | 4115 | if (peer->sort == BGP_PEER_IBGP) |
718e3744 | 4116 | return 0; |
4117 | ||
fa411a21 NH |
4118 | if (peer->gtsm_hops != 0 && peer->ttl != MAXTTL) |
4119 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4120 | ||
718e3744 | 4121 | if (peer_group_active (peer)) |
4122 | peer->ttl = peer->group->conf->ttl; | |
4123 | else | |
4124 | peer->ttl = 1; | |
4125 | ||
4126 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4127 | { | |
e5cc509c DS |
4128 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
4129 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4130 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4131 | else | |
4132 | bgp_session_reset(peer); | |
718e3744 | 4133 | } |
4134 | else | |
4135 | { | |
4136 | group = peer->group; | |
1eb8ef25 | 4137 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
eb821189 | 4138 | { |
6d85b15b | 4139 | if (peer->sort == BGP_PEER_IBGP) |
eb821189 | 4140 | continue; |
4141 | ||
4142 | peer->ttl = 1; | |
e5cc509c | 4143 | |
eb821189 | 4144 | if (peer->fd >= 0) |
e5cc509c DS |
4145 | { |
4146 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
4147 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4148 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4149 | else | |
4150 | bgp_session_reset(peer); | |
4151 | } | |
eb821189 | 4152 | } |
718e3744 | 4153 | } |
4154 | return 0; | |
4155 | } | |
6b0655a2 | 4156 | |
718e3744 | 4157 | /* Neighbor description. */ |
4158 | int | |
4760600f | 4159 | peer_description_set (struct peer *peer, const char *desc) |
718e3744 | 4160 | { |
4161 | if (peer->desc) | |
4162 | XFREE (MTYPE_PEER_DESC, peer->desc); | |
4163 | ||
4164 | peer->desc = XSTRDUP (MTYPE_PEER_DESC, desc); | |
4165 | ||
4166 | return 0; | |
4167 | } | |
4168 | ||
4169 | int | |
4170 | peer_description_unset (struct peer *peer) | |
4171 | { | |
4172 | if (peer->desc) | |
4173 | XFREE (MTYPE_PEER_DESC, peer->desc); | |
4174 | ||
4175 | peer->desc = NULL; | |
4176 | ||
4177 | return 0; | |
4178 | } | |
6b0655a2 | 4179 | |
718e3744 | 4180 | /* Neighbor update-source. */ |
4181 | int | |
fd79ac91 | 4182 | peer_update_source_if_set (struct peer *peer, const char *ifname) |
718e3744 | 4183 | { |
4184 | struct peer_group *group; | |
1eb8ef25 | 4185 | struct listnode *node, *nnode; |
718e3744 | 4186 | |
4187 | if (peer->update_if) | |
4188 | { | |
4189 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
4190 | && strcmp (peer->update_if, ifname) == 0) | |
4191 | return 0; | |
4192 | ||
4193 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4194 | peer->update_if = NULL; | |
4195 | } | |
4196 | ||
4197 | if (peer->update_source) | |
4198 | { | |
4199 | sockunion_free (peer->update_source); | |
4200 | peer->update_source = NULL; | |
4201 | } | |
4202 | ||
4203 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, ifname); | |
4204 | ||
4205 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4206 | { | |
6aa136f1 | 4207 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4208 | { |
4209 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4210 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4211 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4212 | } | |
718e3744 | 4213 | else |
1ff9a340 | 4214 | bgp_session_reset(peer); |
718e3744 | 4215 | return 0; |
4216 | } | |
4217 | ||
4218 | /* peer-group member updates. */ | |
4219 | group = peer->group; | |
1eb8ef25 | 4220 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4221 | { |
4222 | if (peer->update_if) | |
4223 | { | |
4224 | if (strcmp (peer->update_if, ifname) == 0) | |
4225 | continue; | |
4226 | ||
4227 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4228 | peer->update_if = NULL; | |
4229 | } | |
4230 | ||
4231 | if (peer->update_source) | |
4232 | { | |
4233 | sockunion_free (peer->update_source); | |
4234 | peer->update_source = NULL; | |
4235 | } | |
4236 | ||
4237 | peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, ifname); | |
4238 | ||
6aa136f1 | 4239 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4240 | { |
4241 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4242 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4243 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4244 | } | |
718e3744 | 4245 | else |
1ff9a340 | 4246 | bgp_session_reset(peer); |
718e3744 | 4247 | } |
4248 | return 0; | |
4249 | } | |
4250 | ||
4251 | int | |
4760600f | 4252 | peer_update_source_addr_set (struct peer *peer, const union sockunion *su) |
718e3744 | 4253 | { |
4254 | struct peer_group *group; | |
1eb8ef25 | 4255 | struct listnode *node, *nnode; |
718e3744 | 4256 | |
4257 | if (peer->update_source) | |
4258 | { | |
4259 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
4260 | && sockunion_cmp (peer->update_source, su) == 0) | |
4261 | return 0; | |
4262 | sockunion_free (peer->update_source); | |
4263 | peer->update_source = NULL; | |
4264 | } | |
4265 | ||
4266 | if (peer->update_if) | |
4267 | { | |
4268 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4269 | peer->update_if = NULL; | |
1ff9a340 | 4270 | |
718e3744 | 4271 | } |
4272 | ||
4273 | peer->update_source = sockunion_dup (su); | |
4274 | ||
4275 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4276 | { | |
6aa136f1 | 4277 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4278 | { |
4279 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4280 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4281 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4282 | } | |
718e3744 | 4283 | else |
1ff9a340 | 4284 | bgp_session_reset(peer); |
718e3744 | 4285 | return 0; |
4286 | } | |
4287 | ||
4288 | /* peer-group member updates. */ | |
4289 | group = peer->group; | |
1eb8ef25 | 4290 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4291 | { |
4292 | if (peer->update_source) | |
4293 | { | |
4294 | if (sockunion_cmp (peer->update_source, su) == 0) | |
4295 | continue; | |
4296 | sockunion_free (peer->update_source); | |
4297 | peer->update_source = NULL; | |
4298 | } | |
4299 | ||
4300 | if (peer->update_if) | |
4301 | { | |
4302 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4303 | peer->update_if = NULL; | |
4304 | } | |
4305 | ||
4306 | peer->update_source = sockunion_dup (su); | |
4307 | ||
6aa136f1 | 4308 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4309 | { |
4310 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4311 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4312 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4313 | } | |
718e3744 | 4314 | else |
1ff9a340 | 4315 | bgp_session_reset(peer); |
718e3744 | 4316 | } |
4317 | return 0; | |
4318 | } | |
4319 | ||
4320 | int | |
4321 | peer_update_source_unset (struct peer *peer) | |
4322 | { | |
4323 | union sockunion *su; | |
4324 | struct peer_group *group; | |
1eb8ef25 | 4325 | struct listnode *node, *nnode; |
718e3744 | 4326 | |
4327 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP) | |
4328 | && ! peer->update_source | |
4329 | && ! peer->update_if) | |
4330 | return 0; | |
4331 | ||
4332 | if (peer->update_source) | |
4333 | { | |
4334 | sockunion_free (peer->update_source); | |
4335 | peer->update_source = NULL; | |
4336 | } | |
4337 | if (peer->update_if) | |
4338 | { | |
4339 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4340 | peer->update_if = NULL; | |
4341 | } | |
4342 | ||
4343 | if (peer_group_active (peer)) | |
4344 | { | |
4345 | group = peer->group; | |
4346 | ||
4347 | if (group->conf->update_source) | |
4348 | { | |
4349 | su = sockunion_dup (group->conf->update_source); | |
4350 | peer->update_source = su; | |
4351 | } | |
4352 | else if (group->conf->update_if) | |
4353 | peer->update_if = | |
4354 | XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, group->conf->update_if); | |
4355 | } | |
4356 | ||
4357 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4358 | { | |
6aa136f1 | 4359 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4360 | { |
4361 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4362 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4363 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4364 | } | |
718e3744 | 4365 | else |
1ff9a340 | 4366 | bgp_session_reset(peer); |
718e3744 | 4367 | return 0; |
4368 | } | |
4369 | ||
4370 | /* peer-group member updates. */ | |
4371 | group = peer->group; | |
1eb8ef25 | 4372 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4373 | { |
4374 | if (! peer->update_source && ! peer->update_if) | |
4375 | continue; | |
4376 | ||
4377 | if (peer->update_source) | |
4378 | { | |
4379 | sockunion_free (peer->update_source); | |
4380 | peer->update_source = NULL; | |
4381 | } | |
4382 | ||
4383 | if (peer->update_if) | |
4384 | { | |
4385 | XFREE (MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4386 | peer->update_if = NULL; | |
4387 | } | |
4388 | ||
6aa136f1 | 4389 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4390 | { |
4391 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4392 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4393 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4394 | } | |
718e3744 | 4395 | else |
1ff9a340 | 4396 | bgp_session_reset(peer); |
718e3744 | 4397 | } |
4398 | return 0; | |
4399 | } | |
6b0655a2 | 4400 | |
718e3744 | 4401 | int |
4402 | peer_default_originate_set (struct peer *peer, afi_t afi, safi_t safi, | |
fd79ac91 | 4403 | const char *rmap) |
718e3744 | 4404 | { |
4405 | struct peer_group *group; | |
1eb8ef25 | 4406 | struct listnode *node, *nnode; |
718e3744 | 4407 | |
718e3744 | 4408 | if (! CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE) |
4409 | || (rmap && ! peer->default_rmap[afi][safi].name) | |
4410 | || (rmap && strcmp (rmap, peer->default_rmap[afi][safi].name) != 0)) | |
4411 | { | |
4412 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
4413 | ||
4414 | if (rmap) | |
4415 | { | |
4416 | if (peer->default_rmap[afi][safi].name) | |
6e919709 DS |
4417 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); |
4418 | peer->default_rmap[afi][safi].name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
718e3744 | 4419 | peer->default_rmap[afi][safi].map = route_map_lookup_by_name (rmap); |
4420 | } | |
4421 | } | |
4422 | ||
4423 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4424 | { | |
3f9c7369 DS |
4425 | if (peer->status == Established && peer->afc_nego[afi][safi]) { |
4426 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
718e3744 | 4427 | bgp_default_originate (peer, afi, safi, 0); |
3f9c7369 DS |
4428 | bgp_announce_route (peer, afi, safi); |
4429 | } | |
718e3744 | 4430 | return 0; |
4431 | } | |
4432 | ||
4433 | /* peer-group member updates. */ | |
4434 | group = peer->group; | |
1eb8ef25 | 4435 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4436 | { |
4437 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
4438 | ||
4439 | if (rmap) | |
4440 | { | |
4441 | if (peer->default_rmap[afi][safi].name) | |
6e919709 DS |
4442 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); |
4443 | peer->default_rmap[afi][safi].name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
718e3744 | 4444 | peer->default_rmap[afi][safi].map = route_map_lookup_by_name (rmap); |
4445 | } | |
4446 | ||
3f9c7369 DS |
4447 | if (peer->status == Established && peer->afc_nego[afi][safi]) { |
4448 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
718e3744 | 4449 | bgp_default_originate (peer, afi, safi, 0); |
3f9c7369 DS |
4450 | bgp_announce_route (peer, afi, safi); |
4451 | } | |
718e3744 | 4452 | } |
4453 | return 0; | |
4454 | } | |
4455 | ||
4456 | int | |
4457 | peer_default_originate_unset (struct peer *peer, afi_t afi, safi_t safi) | |
4458 | { | |
4459 | struct peer_group *group; | |
1eb8ef25 | 4460 | struct listnode *node, *nnode; |
718e3744 | 4461 | |
718e3744 | 4462 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE)) |
4463 | { | |
4464 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
4465 | ||
4466 | if (peer->default_rmap[afi][safi].name) | |
6e919709 | 4467 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); |
718e3744 | 4468 | peer->default_rmap[afi][safi].name = NULL; |
4469 | peer->default_rmap[afi][safi].map = NULL; | |
4470 | } | |
4471 | ||
4472 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4473 | { | |
3f9c7369 DS |
4474 | if (peer->status == Established && peer->afc_nego[afi][safi]) { |
4475 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
718e3744 | 4476 | bgp_default_originate (peer, afi, safi, 1); |
3f9c7369 DS |
4477 | bgp_announce_route (peer, afi, safi); |
4478 | } | |
718e3744 | 4479 | return 0; |
4480 | } | |
4481 | ||
4482 | /* peer-group member updates. */ | |
4483 | group = peer->group; | |
1eb8ef25 | 4484 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4485 | { |
4486 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE); | |
4487 | ||
4488 | if (peer->default_rmap[afi][safi].name) | |
6e919709 | 4489 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); |
718e3744 | 4490 | peer->default_rmap[afi][safi].name = NULL; |
4491 | peer->default_rmap[afi][safi].map = NULL; | |
4492 | ||
3f9c7369 DS |
4493 | if (peer->status == Established && peer->afc_nego[afi][safi]) { |
4494 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
718e3744 | 4495 | bgp_default_originate (peer, afi, safi, 1); |
3f9c7369 DS |
4496 | bgp_announce_route (peer, afi, safi); |
4497 | } | |
718e3744 | 4498 | } |
4499 | return 0; | |
4500 | } | |
6b0655a2 | 4501 | |
718e3744 | 4502 | int |
4503 | peer_port_set (struct peer *peer, u_int16_t port) | |
4504 | { | |
4505 | peer->port = port; | |
4506 | return 0; | |
4507 | } | |
4508 | ||
4509 | int | |
4510 | peer_port_unset (struct peer *peer) | |
4511 | { | |
4512 | peer->port = BGP_PORT_DEFAULT; | |
4513 | return 0; | |
4514 | } | |
6b0655a2 | 4515 | |
718e3744 | 4516 | /* neighbor weight. */ |
1f9a9fff | 4517 | int |
718e3744 | 4518 | peer_weight_set (struct peer *peer, u_int16_t weight) |
4519 | { | |
4520 | struct peer_group *group; | |
1eb8ef25 | 4521 | struct listnode *node, *nnode; |
718e3744 | 4522 | |
4523 | SET_FLAG (peer->config, PEER_CONFIG_WEIGHT); | |
4524 | peer->weight = weight; | |
4525 | ||
4526 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1f9a9fff | 4527 | return 0; |
718e3744 | 4528 | |
4529 | /* peer-group member updates. */ | |
4530 | group = peer->group; | |
1eb8ef25 | 4531 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4532 | { |
4533 | peer->weight = group->conf->weight; | |
4534 | } | |
1f9a9fff | 4535 | return 1; |
718e3744 | 4536 | } |
4537 | ||
1f9a9fff | 4538 | int |
718e3744 | 4539 | peer_weight_unset (struct peer *peer) |
4540 | { | |
4541 | struct peer_group *group; | |
1eb8ef25 | 4542 | struct listnode *node, *nnode; |
718e3744 | 4543 | |
4544 | /* Set default weight. */ | |
4545 | if (peer_group_active (peer)) | |
4546 | peer->weight = peer->group->conf->weight; | |
4547 | else | |
4548 | peer->weight = 0; | |
4549 | ||
4550 | UNSET_FLAG (peer->config, PEER_CONFIG_WEIGHT); | |
4551 | ||
4552 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
1f9a9fff | 4553 | return 0; |
718e3744 | 4554 | |
4555 | /* peer-group member updates. */ | |
4556 | group = peer->group; | |
1eb8ef25 | 4557 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4558 | { |
4559 | peer->weight = 0; | |
4560 | } | |
1f9a9fff | 4561 | return 1; |
718e3744 | 4562 | } |
6b0655a2 | 4563 | |
718e3744 | 4564 | int |
4565 | peer_timers_set (struct peer *peer, u_int32_t keepalive, u_int32_t holdtime) | |
4566 | { | |
4567 | struct peer_group *group; | |
1eb8ef25 | 4568 | struct listnode *node, *nnode; |
718e3744 | 4569 | |
718e3744 | 4570 | /* keepalive value check. */ |
4571 | if (keepalive > 65535) | |
4572 | return BGP_ERR_INVALID_VALUE; | |
4573 | ||
4574 | /* Holdtime value check. */ | |
4575 | if (holdtime > 65535) | |
4576 | return BGP_ERR_INVALID_VALUE; | |
4577 | ||
4578 | /* Holdtime value must be either 0 or greater than 3. */ | |
4579 | if (holdtime < 3 && holdtime != 0) | |
4580 | return BGP_ERR_INVALID_VALUE; | |
4581 | ||
4582 | /* Set value to the configuration. */ | |
4583 | SET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
4584 | peer->holdtime = holdtime; | |
4585 | peer->keepalive = (keepalive < holdtime / 3 ? keepalive : holdtime / 3); | |
4586 | ||
4587 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4588 | return 0; | |
4589 | ||
4590 | /* peer-group member updates. */ | |
4591 | group = peer->group; | |
1eb8ef25 | 4592 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4593 | { |
4594 | SET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
4595 | peer->holdtime = group->conf->holdtime; | |
4596 | peer->keepalive = group->conf->keepalive; | |
4597 | } | |
4598 | return 0; | |
4599 | } | |
4600 | ||
4601 | int | |
4602 | peer_timers_unset (struct peer *peer) | |
4603 | { | |
4604 | struct peer_group *group; | |
1eb8ef25 | 4605 | struct listnode *node, *nnode; |
718e3744 | 4606 | |
718e3744 | 4607 | /* Clear configuration. */ |
4608 | UNSET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
4609 | peer->keepalive = 0; | |
4610 | peer->holdtime = 0; | |
4611 | ||
4612 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4613 | return 0; | |
4614 | ||
4615 | /* peer-group member updates. */ | |
4616 | group = peer->group; | |
1eb8ef25 | 4617 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4618 | { |
4619 | UNSET_FLAG (peer->config, PEER_CONFIG_TIMER); | |
4620 | peer->holdtime = 0; | |
4621 | peer->keepalive = 0; | |
4622 | } | |
4623 | ||
4624 | return 0; | |
4625 | } | |
6b0655a2 | 4626 | |
718e3744 | 4627 | int |
4628 | peer_timers_connect_set (struct peer *peer, u_int32_t connect) | |
4629 | { | |
966f821c DS |
4630 | struct peer_group *group; |
4631 | struct listnode *node, *nnode; | |
4632 | ||
718e3744 | 4633 | if (connect > 65535) |
4634 | return BGP_ERR_INVALID_VALUE; | |
4635 | ||
4636 | /* Set value to the configuration. */ | |
4637 | SET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
4638 | peer->connect = connect; | |
4639 | ||
4640 | /* Set value to timer setting. */ | |
4641 | peer->v_connect = connect; | |
4642 | ||
966f821c DS |
4643 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
4644 | return 0; | |
4645 | ||
4646 | /* peer-group member updates. */ | |
4647 | group = peer->group; | |
4648 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
4649 | { | |
4650 | SET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
4651 | peer->connect = connect; | |
4652 | peer->v_connect = connect; | |
4653 | } | |
718e3744 | 4654 | return 0; |
4655 | } | |
4656 | ||
4657 | int | |
4658 | peer_timers_connect_unset (struct peer *peer) | |
4659 | { | |
966f821c DS |
4660 | struct peer_group *group; |
4661 | struct listnode *node, *nnode; | |
4662 | ||
718e3744 | 4663 | /* Clear configuration. */ |
4664 | UNSET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
4665 | peer->connect = 0; | |
4666 | ||
4667 | /* Set timer setting to default value. */ | |
4668 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
4669 | ||
966f821c DS |
4670 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
4671 | return 0; | |
4672 | ||
4673 | /* peer-group member updates. */ | |
4674 | group = peer->group; | |
4675 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
4676 | { | |
4677 | UNSET_FLAG (peer->config, PEER_CONFIG_CONNECT); | |
4678 | peer->connect = 0; | |
4679 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
4680 | } | |
718e3744 | 4681 | return 0; |
4682 | } | |
6b0655a2 | 4683 | |
718e3744 | 4684 | int |
4685 | peer_advertise_interval_set (struct peer *peer, u_int32_t routeadv) | |
4686 | { | |
966f821c DS |
4687 | struct peer_group *group; |
4688 | struct listnode *node, *nnode; | |
4689 | ||
718e3744 | 4690 | if (routeadv > 600) |
4691 | return BGP_ERR_INVALID_VALUE; | |
4692 | ||
4693 | SET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); | |
4694 | peer->routeadv = routeadv; | |
4695 | peer->v_routeadv = routeadv; | |
4696 | ||
3f9c7369 DS |
4697 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) { |
4698 | update_group_adjust_peer_afs (peer); | |
4699 | if (peer->status == Established) | |
4700 | bgp_announce_route_all (peer); | |
966f821c | 4701 | return 0; |
3f9c7369 | 4702 | } |
966f821c DS |
4703 | |
4704 | /* peer-group member updates. */ | |
4705 | group = peer->group; | |
4706 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
4707 | { | |
4708 | SET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); | |
4709 | peer->routeadv = routeadv; | |
4710 | peer->v_routeadv = routeadv; | |
3f9c7369 DS |
4711 | update_group_adjust_peer_afs (peer); |
4712 | if (peer->status == Established) | |
4713 | bgp_announce_route_all (peer); | |
966f821c DS |
4714 | } |
4715 | ||
718e3744 | 4716 | return 0; |
4717 | } | |
4718 | ||
4719 | int | |
4720 | peer_advertise_interval_unset (struct peer *peer) | |
4721 | { | |
966f821c DS |
4722 | struct peer_group *group; |
4723 | struct listnode *node, *nnode; | |
4724 | ||
718e3744 | 4725 | UNSET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); |
4726 | peer->routeadv = 0; | |
4727 | ||
6d85b15b | 4728 | if (peer->sort == BGP_PEER_IBGP) |
718e3744 | 4729 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; |
4730 | else | |
4731 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
966f821c | 4732 | |
3f9c7369 DS |
4733 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) { |
4734 | update_group_adjust_peer_afs (peer); | |
4735 | if (peer->status == Established) | |
4736 | bgp_announce_route_all (peer); | |
966f821c | 4737 | return 0; |
3f9c7369 | 4738 | } |
966f821c DS |
4739 | |
4740 | /* peer-group member updates. */ | |
4741 | group = peer->group; | |
4742 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
4743 | { | |
4744 | UNSET_FLAG (peer->config, PEER_CONFIG_ROUTEADV); | |
4745 | peer->routeadv = 0; | |
4746 | ||
4747 | if (peer->sort == BGP_PEER_IBGP) | |
4748 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
4749 | else | |
4750 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
3f9c7369 DS |
4751 | |
4752 | update_group_adjust_peer_afs (peer); | |
4753 | if (peer->status == Established) | |
4754 | bgp_announce_route_all (peer); | |
966f821c | 4755 | } |
718e3744 | 4756 | |
4757 | return 0; | |
4758 | } | |
6b0655a2 | 4759 | |
718e3744 | 4760 | /* neighbor interface */ |
ffd0c037 | 4761 | void |
fd79ac91 | 4762 | peer_interface_set (struct peer *peer, const char *str) |
718e3744 | 4763 | { |
4764 | if (peer->ifname) | |
6e919709 DS |
4765 | XFREE(MTYPE_BGP_PEER_IFNAME, peer->ifname); |
4766 | peer->ifname = XSTRDUP(MTYPE_BGP_PEER_IFNAME, str); | |
718e3744 | 4767 | } |
4768 | ||
ffd0c037 | 4769 | void |
718e3744 | 4770 | peer_interface_unset (struct peer *peer) |
4771 | { | |
4772 | if (peer->ifname) | |
6e919709 | 4773 | XFREE(MTYPE_BGP_PEER_IFNAME, peer->ifname); |
718e3744 | 4774 | peer->ifname = NULL; |
718e3744 | 4775 | } |
6b0655a2 | 4776 | |
718e3744 | 4777 | /* Allow-as in. */ |
4778 | int | |
4779 | peer_allowas_in_set (struct peer *peer, afi_t afi, safi_t safi, int allow_num) | |
4780 | { | |
4781 | struct peer_group *group; | |
1eb8ef25 | 4782 | struct listnode *node, *nnode; |
718e3744 | 4783 | |
4784 | if (allow_num < 1 || allow_num > 10) | |
4785 | return BGP_ERR_INVALID_VALUE; | |
4786 | ||
4787 | if (peer->allowas_in[afi][safi] != allow_num) | |
4788 | { | |
4789 | peer->allowas_in[afi][safi] = allow_num; | |
4790 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN); | |
4791 | peer_change_action (peer, afi, safi, peer_change_reset_in); | |
4792 | } | |
4793 | ||
4794 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4795 | return 0; | |
4796 | ||
4797 | group = peer->group; | |
1eb8ef25 | 4798 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4799 | { |
4800 | if (peer->allowas_in[afi][safi] != allow_num) | |
4801 | { | |
4802 | peer->allowas_in[afi][safi] = allow_num; | |
4803 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN); | |
4804 | peer_change_action (peer, afi, safi, peer_change_reset_in); | |
4805 | } | |
4806 | ||
4807 | } | |
4808 | return 0; | |
4809 | } | |
4810 | ||
4811 | int | |
4812 | peer_allowas_in_unset (struct peer *peer, afi_t afi, safi_t safi) | |
4813 | { | |
4814 | struct peer_group *group; | |
1eb8ef25 | 4815 | struct listnode *node, *nnode; |
718e3744 | 4816 | |
4817 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN)) | |
4818 | { | |
4819 | peer->allowas_in[afi][safi] = 0; | |
4820 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
4821 | } | |
4822 | ||
4823 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4824 | return 0; | |
4825 | ||
4826 | group = peer->group; | |
1eb8ef25 | 4827 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4828 | { |
4829 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN)) | |
4830 | { | |
4831 | peer->allowas_in[afi][safi] = 0; | |
4832 | peer_af_flag_unset (peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
4833 | } | |
4834 | } | |
4835 | return 0; | |
4836 | } | |
6b0655a2 | 4837 | |
718e3744 | 4838 | int |
9d3f9705 | 4839 | peer_local_as_set (struct peer *peer, as_t as, int no_prepend, int replace_as) |
718e3744 | 4840 | { |
4841 | struct bgp *bgp = peer->bgp; | |
4842 | struct peer_group *group; | |
1eb8ef25 | 4843 | struct listnode *node, *nnode; |
718e3744 | 4844 | |
4845 | if (peer_sort (peer) != BGP_PEER_EBGP | |
4846 | && peer_sort (peer) != BGP_PEER_INTERNAL) | |
4847 | return BGP_ERR_LOCAL_AS_ALLOWED_ONLY_FOR_EBGP; | |
4848 | ||
4849 | if (bgp->as == as) | |
4850 | return BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS; | |
4851 | ||
9d3f9705 AC |
4852 | if (peer->as == as) |
4853 | return BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS_REMOTE_AS; | |
4854 | ||
718e3744 | 4855 | if (peer->change_local_as == as && |
4856 | ((CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) && no_prepend) | |
9d3f9705 AC |
4857 | || (! CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) && ! no_prepend)) && |
4858 | ((CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) && replace_as) | |
4859 | || (! CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) && ! replace_as))) | |
718e3744 | 4860 | return 0; |
4861 | ||
4862 | peer->change_local_as = as; | |
4863 | if (no_prepend) | |
4864 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
4865 | else | |
4866 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
4867 | ||
9d3f9705 AC |
4868 | if (replace_as) |
4869 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
4870 | else | |
4871 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
4872 | ||
718e3744 | 4873 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
4874 | { | |
6aa136f1 | 4875 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4876 | { |
4877 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
4878 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4879 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4880 | } | |
718e3744 | 4881 | else |
1ff9a340 | 4882 | bgp_session_reset(peer); |
718e3744 | 4883 | return 0; |
4884 | } | |
4885 | ||
4886 | group = peer->group; | |
1eb8ef25 | 4887 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4888 | { |
4889 | peer->change_local_as = as; | |
4890 | if (no_prepend) | |
4891 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
4892 | else | |
4893 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
4894 | ||
9d3f9705 AC |
4895 | if (replace_as) |
4896 | SET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
4897 | else | |
4898 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
4899 | ||
6aa136f1 | 4900 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4901 | { |
4902 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
4903 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4904 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4905 | } | |
718e3744 | 4906 | else |
4907 | BGP_EVENT_ADD (peer, BGP_Stop); | |
4908 | } | |
4909 | ||
4910 | return 0; | |
4911 | } | |
4912 | ||
4913 | int | |
4914 | peer_local_as_unset (struct peer *peer) | |
4915 | { | |
4916 | struct peer_group *group; | |
1eb8ef25 | 4917 | struct listnode *node, *nnode; |
718e3744 | 4918 | |
718e3744 | 4919 | if (! peer->change_local_as) |
4920 | return 0; | |
4921 | ||
4922 | peer->change_local_as = 0; | |
4923 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
9d3f9705 | 4924 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); |
718e3744 | 4925 | |
4926 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4927 | { | |
6aa136f1 | 4928 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4929 | { |
4930 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
4931 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4932 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4933 | } | |
718e3744 | 4934 | else |
4935 | BGP_EVENT_ADD (peer, BGP_Stop); | |
4936 | ||
4937 | return 0; | |
4938 | } | |
4939 | ||
4940 | group = peer->group; | |
1eb8ef25 | 4941 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 4942 | { |
4943 | peer->change_local_as = 0; | |
4944 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
9d3f9705 | 4945 | UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); |
718e3744 | 4946 | |
6aa136f1 | 4947 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
e0701b79 | 4948 | { |
4949 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
4950 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, | |
4951 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4952 | } | |
718e3744 | 4953 | else |
1ff9a340 | 4954 | bgp_session_reset(peer); |
718e3744 | 4955 | } |
4956 | return 0; | |
4957 | } | |
6b0655a2 | 4958 | |
0df7c91f PJ |
4959 | /* Set password for authenticating with the peer. */ |
4960 | int | |
4961 | peer_password_set (struct peer *peer, const char *password) | |
4962 | { | |
4963 | struct listnode *nn, *nnode; | |
4964 | int len = password ? strlen(password) : 0; | |
4965 | int ret = BGP_SUCCESS; | |
4966 | ||
4967 | if ((len < PEER_PASSWORD_MINLEN) || (len > PEER_PASSWORD_MAXLEN)) | |
4968 | return BGP_ERR_INVALID_VALUE; | |
4969 | ||
4970 | if (peer->password && strcmp (peer->password, password) == 0 | |
4971 | && ! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4972 | return 0; | |
4973 | ||
4974 | if (peer->password) | |
4975 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
4976 | ||
4977 | peer->password = XSTRDUP (MTYPE_PEER_PASSWORD, password); | |
4978 | ||
4979 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
4980 | { | |
6aa136f1 VS |
4981 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
4982 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
0df7c91f | 4983 | else |
1ff9a340 | 4984 | bgp_session_reset(peer); |
0df7c91f | 4985 | |
89ca90fa | 4986 | if (BGP_PEER_SU_UNSPEC(peer)) |
4987 | return BGP_SUCCESS; | |
4988 | ||
0df7c91f PJ |
4989 | return (bgp_md5_set (peer) >= 0) ? BGP_SUCCESS : BGP_ERR_TCPSIG_FAILED; |
4990 | } | |
4991 | ||
4992 | for (ALL_LIST_ELEMENTS (peer->group->peer, nn, nnode, peer)) | |
4993 | { | |
4994 | if (peer->password && strcmp (peer->password, password) == 0) | |
4995 | continue; | |
4996 | ||
4997 | if (peer->password) | |
4998 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
4999 | ||
5000 | peer->password = XSTRDUP(MTYPE_PEER_PASSWORD, password); | |
5001 | ||
6aa136f1 | 5002 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
0df7c91f PJ |
5003 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); |
5004 | else | |
1ff9a340 | 5005 | bgp_session_reset(peer); |
0df7c91f | 5006 | |
89ca90fa | 5007 | if (! BGP_PEER_SU_UNSPEC(peer)) |
5008 | { | |
5009 | if (bgp_md5_set (peer) < 0) | |
5010 | ret = BGP_ERR_TCPSIG_FAILED; | |
5011 | } | |
0df7c91f PJ |
5012 | } |
5013 | ||
5014 | return ret; | |
5015 | } | |
5016 | ||
5017 | int | |
5018 | peer_password_unset (struct peer *peer) | |
5019 | { | |
5020 | struct listnode *nn, *nnode; | |
5021 | ||
5022 | if (!peer->password | |
5023 | && !CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
5024 | return 0; | |
5025 | ||
5026 | if (!CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
5027 | { | |
6aa136f1 | 5028 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
0df7c91f PJ |
5029 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); |
5030 | else | |
1ff9a340 | 5031 | bgp_session_reset(peer); |
0df7c91f PJ |
5032 | |
5033 | if (peer->password) | |
5034 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
5035 | ||
5036 | peer->password = NULL; | |
5037 | ||
89ca90fa | 5038 | if (! BGP_PEER_SU_UNSPEC(peer)) |
5039 | bgp_md5_unset (peer); | |
0df7c91f PJ |
5040 | |
5041 | return 0; | |
5042 | } | |
5043 | ||
5044 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
5045 | peer->password = NULL; | |
5046 | ||
5047 | for (ALL_LIST_ELEMENTS (peer->group->peer, nn, nnode, peer)) | |
5048 | { | |
5049 | if (!peer->password) | |
5050 | continue; | |
5051 | ||
6aa136f1 | 5052 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
0df7c91f PJ |
5053 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_CONFIG_CHANGE); |
5054 | else | |
1ff9a340 | 5055 | bgp_session_reset(peer); |
0df7c91f PJ |
5056 | |
5057 | XFREE (MTYPE_PEER_PASSWORD, peer->password); | |
5058 | peer->password = NULL; | |
5059 | ||
89ca90fa | 5060 | if (! BGP_PEER_SU_UNSPEC(peer)) |
5061 | bgp_md5_unset (peer); | |
0df7c91f PJ |
5062 | } |
5063 | ||
5064 | return 0; | |
5065 | } | |
6b0655a2 | 5066 | |
3f9c7369 | 5067 | /* |
3f9c7369 | 5068 | * Helper function that is called after the name of the policy |
94f34286 DS |
5069 | * being used by a peer has changed (AF specific). Automatically |
5070 | * initiates inbound or outbound processing as needed. | |
3f9c7369 DS |
5071 | */ |
5072 | static void | |
94f34286 | 5073 | peer_on_policy_change (struct peer *peer, afi_t afi, safi_t safi, int outbound) |
3f9c7369 | 5074 | { |
94f34286 | 5075 | if (outbound) |
3f9c7369 | 5076 | { |
94f34286 DS |
5077 | update_group_adjust_peer (peer_af_find (peer, afi, safi)); |
5078 | if (peer->status == Established) | |
5079 | bgp_announce_route(peer, afi, safi); | |
3f9c7369 DS |
5080 | } |
5081 | else | |
94f34286 DS |
5082 | { |
5083 | if (peer->status != Established) | |
5084 | return; | |
5085 | ||
5086 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG)) | |
5087 | bgp_soft_reconfig_in (peer, afi, safi); | |
5088 | else if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
5089 | || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
5090 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
5091 | } | |
3f9c7369 DS |
5092 | } |
5093 | ||
5094 | ||
718e3744 | 5095 | /* Set distribute list to the peer. */ |
5096 | int | |
5097 | peer_distribute_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 5098 | const char *name) |
718e3744 | 5099 | { |
5100 | struct bgp_filter *filter; | |
5101 | struct peer_group *group; | |
1eb8ef25 | 5102 | struct listnode *node, *nnode; |
718e3744 | 5103 | |
718e3744 | 5104 | if (direct != FILTER_IN && direct != FILTER_OUT) |
5105 | return BGP_ERR_INVALID_VALUE; | |
5106 | ||
718e3744 | 5107 | filter = &peer->filter[afi][safi]; |
5108 | ||
5109 | if (filter->plist[direct].name) | |
5110 | return BGP_ERR_PEER_FILTER_CONFLICT; | |
5111 | ||
5112 | if (filter->dlist[direct].name) | |
6e919709 DS |
5113 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); |
5114 | filter->dlist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5115 | filter->dlist[direct].alist = access_list_lookup (afi, name); |
5116 | ||
5117 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5118 | { |
94f34286 DS |
5119 | peer_on_policy_change(peer, afi, safi, |
5120 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5121 | return 0; |
5122 | } | |
718e3744 | 5123 | |
5124 | group = peer->group; | |
1eb8ef25 | 5125 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5126 | { |
5127 | filter = &peer->filter[afi][safi]; | |
5128 | ||
718e3744 | 5129 | if (filter->dlist[direct].name) |
6e919709 DS |
5130 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); |
5131 | filter->dlist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5132 | filter->dlist[direct].alist = access_list_lookup (afi, name); |
94f34286 DS |
5133 | peer_on_policy_change(peer, afi, safi, |
5134 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5135 | } |
5136 | ||
5137 | return 0; | |
5138 | } | |
5139 | ||
5140 | int | |
5141 | peer_distribute_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
5142 | { | |
5143 | struct bgp_filter *filter; | |
5144 | struct bgp_filter *gfilter; | |
5145 | struct peer_group *group; | |
1eb8ef25 | 5146 | struct listnode *node, *nnode; |
718e3744 | 5147 | |
718e3744 | 5148 | if (direct != FILTER_IN && direct != FILTER_OUT) |
5149 | return BGP_ERR_INVALID_VALUE; | |
5150 | ||
718e3744 | 5151 | filter = &peer->filter[afi][safi]; |
5152 | ||
5153 | /* apply peer-group filter */ | |
c8560b44 | 5154 | if (peer_group_active(peer)) |
718e3744 | 5155 | { |
5156 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5157 | ||
5158 | if (gfilter->dlist[direct].name) | |
5159 | { | |
5160 | if (filter->dlist[direct].name) | |
6e919709 DS |
5161 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); |
5162 | filter->dlist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->dlist[direct].name); | |
718e3744 | 5163 | filter->dlist[direct].alist = gfilter->dlist[direct].alist; |
94f34286 DS |
5164 | peer_on_policy_change(peer, afi, safi, |
5165 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5166 | return 0; |
5167 | } | |
5168 | } | |
5169 | ||
5170 | if (filter->dlist[direct].name) | |
6e919709 | 5171 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); |
718e3744 | 5172 | filter->dlist[direct].name = NULL; |
5173 | filter->dlist[direct].alist = NULL; | |
5174 | ||
5175 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5176 | { |
94f34286 DS |
5177 | peer_on_policy_change(peer, afi, safi, |
5178 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5179 | return 0; |
5180 | } | |
718e3744 | 5181 | |
94f34286 DS |
5182 | group = peer->group; |
5183 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
5184 | { | |
5185 | filter = &peer->filter[afi][safi]; | |
718e3744 | 5186 | |
94f34286 | 5187 | if (filter->dlist[direct].name) |
6e919709 | 5188 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); |
94f34286 DS |
5189 | filter->dlist[direct].name = NULL; |
5190 | filter->dlist[direct].alist = NULL; | |
5191 | peer_on_policy_change(peer, afi, safi, | |
5192 | (direct == FILTER_OUT) ? 1 : 0); | |
5193 | } | |
718e3744 | 5194 | |
5195 | return 0; | |
5196 | } | |
5197 | ||
5198 | /* Update distribute list. */ | |
94f2b392 | 5199 | static void |
718e3744 | 5200 | peer_distribute_update (struct access_list *access) |
5201 | { | |
5202 | afi_t afi; | |
5203 | safi_t safi; | |
5204 | int direct; | |
1eb8ef25 | 5205 | struct listnode *mnode, *mnnode; |
5206 | struct listnode *node, *nnode; | |
718e3744 | 5207 | struct bgp *bgp; |
5208 | struct peer *peer; | |
5209 | struct peer_group *group; | |
5210 | struct bgp_filter *filter; | |
5211 | ||
1eb8ef25 | 5212 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 5213 | { |
3f9c7369 DS |
5214 | if (access->name) |
5215 | update_group_policy_update(bgp, BGP_POLICY_FILTER_LIST, access->name, | |
5216 | 0, 0); | |
1eb8ef25 | 5217 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 5218 | { |
5219 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5220 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5221 | { | |
5222 | filter = &peer->filter[afi][safi]; | |
5223 | ||
5224 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5225 | { | |
5226 | if (filter->dlist[direct].name) | |
5227 | filter->dlist[direct].alist = | |
5228 | access_list_lookup (afi, filter->dlist[direct].name); | |
5229 | else | |
5230 | filter->dlist[direct].alist = NULL; | |
5231 | } | |
5232 | } | |
5233 | } | |
1eb8ef25 | 5234 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 5235 | { |
5236 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5237 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5238 | { | |
5239 | filter = &group->conf->filter[afi][safi]; | |
5240 | ||
5241 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5242 | { | |
5243 | if (filter->dlist[direct].name) | |
5244 | filter->dlist[direct].alist = | |
5245 | access_list_lookup (afi, filter->dlist[direct].name); | |
5246 | else | |
5247 | filter->dlist[direct].alist = NULL; | |
5248 | } | |
5249 | } | |
5250 | } | |
65efcfce LB |
5251 | #if ENABLE_BGP_VNC |
5252 | vnc_prefix_list_update(bgp); | |
5253 | #endif | |
718e3744 | 5254 | } |
5255 | } | |
6b0655a2 | 5256 | |
718e3744 | 5257 | /* Set prefix list to the peer. */ |
5258 | int | |
5259 | peer_prefix_list_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 5260 | const char *name) |
718e3744 | 5261 | { |
5262 | struct bgp_filter *filter; | |
5263 | struct peer_group *group; | |
1eb8ef25 | 5264 | struct listnode *node, *nnode; |
718e3744 | 5265 | |
718e3744 | 5266 | if (direct != FILTER_IN && direct != FILTER_OUT) |
5267 | return BGP_ERR_INVALID_VALUE; | |
5268 | ||
718e3744 | 5269 | filter = &peer->filter[afi][safi]; |
5270 | ||
5271 | if (filter->dlist[direct].name) | |
5272 | return BGP_ERR_PEER_FILTER_CONFLICT; | |
5273 | ||
5274 | if (filter->plist[direct].name) | |
6e919709 DS |
5275 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); |
5276 | filter->plist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5277 | filter->plist[direct].plist = prefix_list_lookup (afi, name); |
5278 | ||
5279 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5280 | { |
94f34286 DS |
5281 | peer_on_policy_change(peer, afi, safi, |
5282 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5283 | return 0; |
5284 | } | |
718e3744 | 5285 | |
5286 | group = peer->group; | |
1eb8ef25 | 5287 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5288 | { |
5289 | filter = &peer->filter[afi][safi]; | |
5290 | ||
718e3744 | 5291 | if (filter->plist[direct].name) |
6e919709 DS |
5292 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); |
5293 | filter->plist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5294 | filter->plist[direct].plist = prefix_list_lookup (afi, name); |
94f34286 DS |
5295 | peer_on_policy_change(peer, afi, safi, |
5296 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5297 | } |
5298 | return 0; | |
5299 | } | |
5300 | ||
5301 | int | |
5302 | peer_prefix_list_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
5303 | { | |
5304 | struct bgp_filter *filter; | |
5305 | struct bgp_filter *gfilter; | |
5306 | struct peer_group *group; | |
1eb8ef25 | 5307 | struct listnode *node, *nnode; |
718e3744 | 5308 | |
718e3744 | 5309 | if (direct != FILTER_IN && direct != FILTER_OUT) |
5310 | return BGP_ERR_INVALID_VALUE; | |
5311 | ||
718e3744 | 5312 | filter = &peer->filter[afi][safi]; |
5313 | ||
5314 | /* apply peer-group filter */ | |
c8560b44 | 5315 | if (peer_group_active(peer)) |
718e3744 | 5316 | { |
5317 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5318 | ||
5319 | if (gfilter->plist[direct].name) | |
5320 | { | |
5321 | if (filter->plist[direct].name) | |
6e919709 DS |
5322 | XSTRDUP(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); |
5323 | filter->plist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->plist[direct].name); | |
718e3744 | 5324 | filter->plist[direct].plist = gfilter->plist[direct].plist; |
94f34286 DS |
5325 | peer_on_policy_change(peer, afi, safi, |
5326 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5327 | return 0; |
5328 | } | |
5329 | } | |
5330 | ||
5331 | if (filter->plist[direct].name) | |
6e919709 | 5332 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); |
718e3744 | 5333 | filter->plist[direct].name = NULL; |
5334 | filter->plist[direct].plist = NULL; | |
5335 | ||
5336 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5337 | { |
94f34286 DS |
5338 | peer_on_policy_change(peer, afi, safi, |
5339 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5340 | return 0; |
5341 | } | |
718e3744 | 5342 | |
5343 | group = peer->group; | |
1eb8ef25 | 5344 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5345 | { |
5346 | filter = &peer->filter[afi][safi]; | |
5347 | ||
718e3744 | 5348 | if (filter->plist[direct].name) |
6e919709 | 5349 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); |
718e3744 | 5350 | filter->plist[direct].name = NULL; |
5351 | filter->plist[direct].plist = NULL; | |
94f34286 DS |
5352 | peer_on_policy_change(peer, afi, safi, |
5353 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5354 | } |
5355 | ||
5356 | return 0; | |
5357 | } | |
5358 | ||
5359 | /* Update prefix-list list. */ | |
94f2b392 | 5360 | static void |
718e3744 | 5361 | peer_prefix_list_update (struct prefix_list *plist) |
5362 | { | |
1eb8ef25 | 5363 | struct listnode *mnode, *mnnode; |
5364 | struct listnode *node, *nnode; | |
718e3744 | 5365 | struct bgp *bgp; |
5366 | struct peer *peer; | |
5367 | struct peer_group *group; | |
5368 | struct bgp_filter *filter; | |
5369 | afi_t afi; | |
5370 | safi_t safi; | |
5371 | int direct; | |
5372 | ||
1eb8ef25 | 5373 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 5374 | { |
3f9c7369 DS |
5375 | |
5376 | /* | |
5377 | * Update the prefix-list on update groups. | |
5378 | */ | |
5379 | update_group_policy_update(bgp, BGP_POLICY_PREFIX_LIST, | |
a38401b6 | 5380 | plist ? prefix_list_name(plist) : NULL, 0, 0); |
3f9c7369 | 5381 | |
1eb8ef25 | 5382 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 5383 | { |
5384 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5385 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5386 | { | |
5387 | filter = &peer->filter[afi][safi]; | |
5388 | ||
5389 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5390 | { | |
5391 | if (filter->plist[direct].name) | |
5392 | filter->plist[direct].plist = | |
5393 | prefix_list_lookup (afi, filter->plist[direct].name); | |
5394 | else | |
5395 | filter->plist[direct].plist = NULL; | |
5396 | } | |
5397 | } | |
5398 | } | |
1eb8ef25 | 5399 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 5400 | { |
5401 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5402 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5403 | { | |
5404 | filter = &group->conf->filter[afi][safi]; | |
5405 | ||
5406 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5407 | { | |
5408 | if (filter->plist[direct].name) | |
5409 | filter->plist[direct].plist = | |
5410 | prefix_list_lookup (afi, filter->plist[direct].name); | |
5411 | else | |
5412 | filter->plist[direct].plist = NULL; | |
5413 | } | |
5414 | } | |
5415 | } | |
5416 | } | |
5417 | } | |
6b0655a2 | 5418 | |
718e3744 | 5419 | int |
5420 | peer_aslist_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 5421 | const char *name) |
718e3744 | 5422 | { |
5423 | struct bgp_filter *filter; | |
5424 | struct peer_group *group; | |
1eb8ef25 | 5425 | struct listnode *node, *nnode; |
718e3744 | 5426 | |
718e3744 | 5427 | if (direct != FILTER_IN && direct != FILTER_OUT) |
5428 | return BGP_ERR_INVALID_VALUE; | |
5429 | ||
718e3744 | 5430 | filter = &peer->filter[afi][safi]; |
5431 | ||
5432 | if (filter->aslist[direct].name) | |
6e919709 DS |
5433 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); |
5434 | filter->aslist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5435 | filter->aslist[direct].aslist = as_list_lookup (name); |
5436 | ||
5437 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5438 | { |
94f34286 DS |
5439 | peer_on_policy_change(peer, afi, safi, |
5440 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5441 | return 0; |
5442 | } | |
718e3744 | 5443 | |
5444 | group = peer->group; | |
1eb8ef25 | 5445 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5446 | { |
5447 | filter = &peer->filter[afi][safi]; | |
5448 | ||
718e3744 | 5449 | if (filter->aslist[direct].name) |
6e919709 DS |
5450 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); |
5451 | filter->aslist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5452 | filter->aslist[direct].aslist = as_list_lookup (name); |
94f34286 DS |
5453 | peer_on_policy_change(peer, afi, safi, |
5454 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5455 | } |
5456 | return 0; | |
5457 | } | |
5458 | ||
5459 | int | |
5460 | peer_aslist_unset (struct peer *peer,afi_t afi, safi_t safi, int direct) | |
5461 | { | |
5462 | struct bgp_filter *filter; | |
5463 | struct bgp_filter *gfilter; | |
5464 | struct peer_group *group; | |
1eb8ef25 | 5465 | struct listnode *node, *nnode; |
718e3744 | 5466 | |
b5f29603 | 5467 | if (direct != FILTER_IN && direct != FILTER_OUT) |
718e3744 | 5468 | return BGP_ERR_INVALID_VALUE; |
5469 | ||
718e3744 | 5470 | filter = &peer->filter[afi][safi]; |
5471 | ||
5472 | /* apply peer-group filter */ | |
c8560b44 | 5473 | if (peer_group_active(peer)) |
718e3744 | 5474 | { |
5475 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5476 | ||
5477 | if (gfilter->aslist[direct].name) | |
5478 | { | |
5479 | if (filter->aslist[direct].name) | |
6e919709 DS |
5480 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); |
5481 | filter->aslist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->aslist[direct].name); | |
718e3744 | 5482 | filter->aslist[direct].aslist = gfilter->aslist[direct].aslist; |
94f34286 DS |
5483 | peer_on_policy_change(peer, afi, safi, |
5484 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5485 | return 0; |
5486 | } | |
5487 | } | |
5488 | ||
5489 | if (filter->aslist[direct].name) | |
6e919709 | 5490 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); |
718e3744 | 5491 | filter->aslist[direct].name = NULL; |
5492 | filter->aslist[direct].aslist = NULL; | |
5493 | ||
5494 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
3f9c7369 | 5495 | { |
94f34286 DS |
5496 | peer_on_policy_change(peer, afi, safi, |
5497 | (direct == FILTER_OUT) ? 1 : 0); | |
3f9c7369 DS |
5498 | return 0; |
5499 | } | |
718e3744 | 5500 | |
5501 | group = peer->group; | |
1eb8ef25 | 5502 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5503 | { |
5504 | filter = &peer->filter[afi][safi]; | |
5505 | ||
718e3744 | 5506 | if (filter->aslist[direct].name) |
6e919709 | 5507 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); |
718e3744 | 5508 | filter->aslist[direct].name = NULL; |
5509 | filter->aslist[direct].aslist = NULL; | |
94f34286 DS |
5510 | peer_on_policy_change(peer, afi, safi, |
5511 | (direct == FILTER_OUT) ? 1 : 0); | |
718e3744 | 5512 | } |
5513 | ||
5514 | return 0; | |
5515 | } | |
5516 | ||
94f2b392 | 5517 | static void |
ffd0c037 | 5518 | peer_aslist_update (const char *aslist_name) |
718e3744 | 5519 | { |
5520 | afi_t afi; | |
5521 | safi_t safi; | |
5522 | int direct; | |
1eb8ef25 | 5523 | struct listnode *mnode, *mnnode; |
5524 | struct listnode *node, *nnode; | |
718e3744 | 5525 | struct bgp *bgp; |
5526 | struct peer *peer; | |
5527 | struct peer_group *group; | |
5528 | struct bgp_filter *filter; | |
5529 | ||
1eb8ef25 | 5530 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 5531 | { |
3f9c7369 DS |
5532 | update_group_policy_update(bgp, BGP_POLICY_FILTER_LIST, aslist_name, |
5533 | 0, 0); | |
5534 | ||
1eb8ef25 | 5535 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 5536 | { |
5537 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5538 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5539 | { | |
5540 | filter = &peer->filter[afi][safi]; | |
5541 | ||
5542 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5543 | { | |
5544 | if (filter->aslist[direct].name) | |
5545 | filter->aslist[direct].aslist = | |
5546 | as_list_lookup (filter->aslist[direct].name); | |
5547 | else | |
5548 | filter->aslist[direct].aslist = NULL; | |
5549 | } | |
5550 | } | |
5551 | } | |
1eb8ef25 | 5552 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 5553 | { |
5554 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
5555 | for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++) | |
5556 | { | |
5557 | filter = &group->conf->filter[afi][safi]; | |
5558 | ||
5559 | for (direct = FILTER_IN; direct < FILTER_MAX; direct++) | |
5560 | { | |
5561 | if (filter->aslist[direct].name) | |
5562 | filter->aslist[direct].aslist = | |
5563 | as_list_lookup (filter->aslist[direct].name); | |
5564 | else | |
5565 | filter->aslist[direct].aslist = NULL; | |
5566 | } | |
5567 | } | |
5568 | } | |
5569 | } | |
5570 | } | |
3f9c7369 | 5571 | |
518f0eb1 DS |
5572 | static void |
5573 | peer_aslist_add (char *aslist_name) | |
5574 | { | |
5575 | peer_aslist_update (aslist_name); | |
5576 | route_map_notify_dependencies((char *)aslist_name, RMAP_EVENT_ASLIST_ADDED); | |
5577 | } | |
5578 | ||
5579 | static void | |
ffd0c037 | 5580 | peer_aslist_del (const char *aslist_name) |
518f0eb1 DS |
5581 | { |
5582 | peer_aslist_update (aslist_name); | |
ffd0c037 | 5583 | route_map_notify_dependencies(aslist_name, RMAP_EVENT_ASLIST_DELETED); |
518f0eb1 DS |
5584 | } |
5585 | ||
6b0655a2 | 5586 | |
718e3744 | 5587 | int |
5588 | peer_route_map_set (struct peer *peer, afi_t afi, safi_t safi, int direct, | |
fd79ac91 | 5589 | const char *name) |
718e3744 | 5590 | { |
5591 | struct bgp_filter *filter; | |
5592 | struct peer_group *group; | |
1eb8ef25 | 5593 | struct listnode *node, *nnode; |
718e3744 | 5594 | |
2a3d5731 | 5595 | if (direct != RMAP_IN && direct != RMAP_OUT) |
718e3744 | 5596 | return BGP_ERR_INVALID_VALUE; |
5597 | ||
718e3744 | 5598 | filter = &peer->filter[afi][safi]; |
5599 | ||
5600 | if (filter->map[direct].name) | |
6e919709 | 5601 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); |
518f0eb1 | 5602 | |
6e919709 | 5603 | filter->map[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); |
718e3744 | 5604 | filter->map[direct].map = route_map_lookup_by_name (name); |
5605 | ||
5606 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
518f0eb1 | 5607 | { |
94f34286 DS |
5608 | peer_on_policy_change(peer, afi, safi, |
5609 | (direct == RMAP_OUT) ? 1 : 0); | |
518f0eb1 DS |
5610 | return 0; |
5611 | } | |
718e3744 | 5612 | |
5613 | group = peer->group; | |
1eb8ef25 | 5614 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5615 | { |
5616 | filter = &peer->filter[afi][safi]; | |
5617 | ||
718e3744 | 5618 | if (filter->map[direct].name) |
6e919709 DS |
5619 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); |
5620 | filter->map[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5621 | filter->map[direct].map = route_map_lookup_by_name (name); |
94f34286 DS |
5622 | peer_on_policy_change(peer, afi, safi, |
5623 | (direct == RMAP_OUT) ? 1 : 0); | |
718e3744 | 5624 | } |
5625 | return 0; | |
5626 | } | |
5627 | ||
5628 | /* Unset route-map from the peer. */ | |
5629 | int | |
5630 | peer_route_map_unset (struct peer *peer, afi_t afi, safi_t safi, int direct) | |
5631 | { | |
5632 | struct bgp_filter *filter; | |
5633 | struct bgp_filter *gfilter; | |
5634 | struct peer_group *group; | |
1eb8ef25 | 5635 | struct listnode *node, *nnode; |
718e3744 | 5636 | |
2a3d5731 | 5637 | if (direct != RMAP_IN && direct != RMAP_OUT) |
718e3744 | 5638 | return BGP_ERR_INVALID_VALUE; |
5639 | ||
718e3744 | 5640 | filter = &peer->filter[afi][safi]; |
5641 | ||
5642 | /* apply peer-group filter */ | |
c8560b44 | 5643 | if (peer_group_active(peer)) |
718e3744 | 5644 | { |
5645 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5646 | ||
5647 | if (gfilter->map[direct].name) | |
5648 | { | |
5649 | if (filter->map[direct].name) | |
6e919709 DS |
5650 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); |
5651 | filter->map[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->map[direct].name); | |
718e3744 | 5652 | filter->map[direct].map = gfilter->map[direct].map; |
94f34286 DS |
5653 | peer_on_policy_change(peer, afi, safi, |
5654 | (direct == RMAP_OUT) ? 1 : 0); | |
718e3744 | 5655 | return 0; |
5656 | } | |
5657 | } | |
5658 | ||
5659 | if (filter->map[direct].name) | |
6e919709 | 5660 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); |
718e3744 | 5661 | filter->map[direct].name = NULL; |
5662 | filter->map[direct].map = NULL; | |
5663 | ||
5664 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
518f0eb1 | 5665 | { |
94f34286 DS |
5666 | peer_on_policy_change(peer, afi, safi, |
5667 | (direct == RMAP_OUT) ? 1 : 0); | |
518f0eb1 DS |
5668 | return 0; |
5669 | } | |
718e3744 | 5670 | |
5671 | group = peer->group; | |
1eb8ef25 | 5672 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5673 | { |
5674 | filter = &peer->filter[afi][safi]; | |
5675 | ||
718e3744 | 5676 | if (filter->map[direct].name) |
6e919709 | 5677 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); |
718e3744 | 5678 | filter->map[direct].name = NULL; |
5679 | filter->map[direct].map = NULL; | |
94f34286 DS |
5680 | peer_on_policy_change(peer, afi, safi, |
5681 | (direct == RMAP_OUT) ? 1 : 0); | |
718e3744 | 5682 | } |
5683 | return 0; | |
5684 | } | |
6b0655a2 | 5685 | |
718e3744 | 5686 | /* Set unsuppress-map to the peer. */ |
5687 | int | |
fd79ac91 | 5688 | peer_unsuppress_map_set (struct peer *peer, afi_t afi, safi_t safi, |
5689 | const char *name) | |
718e3744 | 5690 | { |
5691 | struct bgp_filter *filter; | |
5692 | struct peer_group *group; | |
1eb8ef25 | 5693 | struct listnode *node, *nnode; |
718e3744 | 5694 | |
718e3744 | 5695 | filter = &peer->filter[afi][safi]; |
5696 | ||
5697 | if (filter->usmap.name) | |
6e919709 | 5698 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); |
718e3744 | 5699 | |
6e919709 | 5700 | filter->usmap.name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); |
718e3744 | 5701 | filter->usmap.map = route_map_lookup_by_name (name); |
5702 | ||
5703 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
518f0eb1 | 5704 | { |
94f34286 | 5705 | peer_on_policy_change(peer, afi, safi, 1); |
518f0eb1 DS |
5706 | return 0; |
5707 | } | |
718e3744 | 5708 | |
5709 | group = peer->group; | |
1eb8ef25 | 5710 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5711 | { |
5712 | filter = &peer->filter[afi][safi]; | |
5713 | ||
718e3744 | 5714 | if (filter->usmap.name) |
6e919709 DS |
5715 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); |
5716 | filter->usmap.name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
718e3744 | 5717 | filter->usmap.map = route_map_lookup_by_name (name); |
94f34286 | 5718 | peer_on_policy_change(peer, afi, safi, 1); |
718e3744 | 5719 | } |
5720 | return 0; | |
5721 | } | |
5722 | ||
5723 | /* Unset route-map from the peer. */ | |
5724 | int | |
5725 | peer_unsuppress_map_unset (struct peer *peer, afi_t afi, safi_t safi) | |
5726 | { | |
5727 | struct bgp_filter *filter; | |
5728 | struct peer_group *group; | |
1eb8ef25 | 5729 | struct listnode *node, *nnode; |
718e3744 | 5730 | |
718e3744 | 5731 | filter = &peer->filter[afi][safi]; |
5732 | ||
5733 | if (filter->usmap.name) | |
6e919709 | 5734 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); |
718e3744 | 5735 | filter->usmap.name = NULL; |
5736 | filter->usmap.map = NULL; | |
5737 | ||
5738 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
518f0eb1 | 5739 | { |
94f34286 | 5740 | peer_on_policy_change(peer, afi, safi, 1); |
518f0eb1 DS |
5741 | return 0; |
5742 | } | |
718e3744 | 5743 | |
5744 | group = peer->group; | |
1eb8ef25 | 5745 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5746 | { |
5747 | filter = &peer->filter[afi][safi]; | |
5748 | ||
718e3744 | 5749 | if (filter->usmap.name) |
6e919709 | 5750 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); |
718e3744 | 5751 | filter->usmap.name = NULL; |
5752 | filter->usmap.map = NULL; | |
94f34286 | 5753 | peer_on_policy_change(peer, afi, safi, 1); |
718e3744 | 5754 | } |
5755 | return 0; | |
5756 | } | |
6b0655a2 | 5757 | |
718e3744 | 5758 | int |
5759 | peer_maximum_prefix_set (struct peer *peer, afi_t afi, safi_t safi, | |
0a486e5f | 5760 | u_int32_t max, u_char threshold, |
5761 | int warning, u_int16_t restart) | |
718e3744 | 5762 | { |
5763 | struct peer_group *group; | |
1eb8ef25 | 5764 | struct listnode *node, *nnode; |
718e3744 | 5765 | |
718e3744 | 5766 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); |
5767 | peer->pmax[afi][safi] = max; | |
e0701b79 | 5768 | peer->pmax_threshold[afi][safi] = threshold; |
0a486e5f | 5769 | peer->pmax_restart[afi][safi] = restart; |
718e3744 | 5770 | if (warning) |
5771 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5772 | else | |
5773 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5774 | ||
fc9a856f | 5775 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
718e3744 | 5776 | { |
fc9a856f DS |
5777 | group = peer->group; |
5778 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
5779 | { | |
fc9a856f DS |
5780 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); |
5781 | peer->pmax[afi][safi] = max; | |
5782 | peer->pmax_threshold[afi][safi] = threshold; | |
5783 | peer->pmax_restart[afi][safi] = restart; | |
5784 | if (warning) | |
5785 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5786 | else | |
5787 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5788 | ||
5789 | if ((peer->status == Established) && (peer->afc[afi][safi])) | |
5790 | bgp_maximum_prefix_overflow (peer, afi, safi, 1); | |
5791 | } | |
5792 | } | |
5793 | else | |
5794 | { | |
5795 | if ((peer->status == Established) && (peer->afc[afi][safi])) | |
5796 | bgp_maximum_prefix_overflow (peer, afi, safi, 1); | |
718e3744 | 5797 | } |
fc9a856f | 5798 | |
718e3744 | 5799 | return 0; |
5800 | } | |
5801 | ||
5802 | int | |
5803 | peer_maximum_prefix_unset (struct peer *peer, afi_t afi, safi_t safi) | |
5804 | { | |
5805 | struct peer_group *group; | |
1eb8ef25 | 5806 | struct listnode *node, *nnode; |
718e3744 | 5807 | |
718e3744 | 5808 | /* apply peer-group config */ |
c8560b44 | 5809 | if (peer_group_active(peer)) |
718e3744 | 5810 | { |
5811 | if (CHECK_FLAG (peer->group->conf->af_flags[afi][safi], | |
5812 | PEER_FLAG_MAX_PREFIX)) | |
5813 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
5814 | else | |
5815 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
5816 | ||
5817 | if (CHECK_FLAG (peer->group->conf->af_flags[afi][safi], | |
5818 | PEER_FLAG_MAX_PREFIX_WARNING)) | |
5819 | SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5820 | else | |
5821 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5822 | ||
5823 | peer->pmax[afi][safi] = peer->group->conf->pmax[afi][safi]; | |
e0701b79 | 5824 | peer->pmax_threshold[afi][safi] = peer->group->conf->pmax_threshold[afi][safi]; |
0a486e5f | 5825 | peer->pmax_restart[afi][safi] = peer->group->conf->pmax_restart[afi][safi]; |
718e3744 | 5826 | return 0; |
5827 | } | |
5828 | ||
5829 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
5830 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5831 | peer->pmax[afi][safi] = 0; | |
0a486e5f | 5832 | peer->pmax_threshold[afi][safi] = 0; |
5833 | peer->pmax_restart[afi][safi] = 0; | |
718e3744 | 5834 | |
5835 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
5836 | return 0; | |
5837 | ||
5838 | group = peer->group; | |
1eb8ef25 | 5839 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) |
718e3744 | 5840 | { |
718e3744 | 5841 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); |
5842 | UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5843 | peer->pmax[afi][safi] = 0; | |
0a486e5f | 5844 | peer->pmax_threshold[afi][safi] = 0; |
5845 | peer->pmax_restart[afi][safi] = 0; | |
718e3744 | 5846 | } |
5847 | return 0; | |
5848 | } | |
5f9adb5d | 5849 | |
c43ed2e4 | 5850 | int is_ebgp_multihop_configured (struct peer *peer) |
5f9adb5d DL |
5851 | { |
5852 | struct peer_group *group; | |
5853 | struct listnode *node, *nnode; | |
5854 | struct peer *peer1; | |
5855 | ||
5856 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
5857 | { | |
5858 | group = peer->group; | |
5d804b43 PM |
5859 | if ((peer_sort(peer) != BGP_PEER_IBGP) && |
5860 | (group->conf->ttl != 1)) | |
5f9adb5d DL |
5861 | return 1; |
5862 | ||
5863 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer1)) | |
5864 | { | |
5d804b43 PM |
5865 | if ((peer_sort (peer1) != BGP_PEER_IBGP) && |
5866 | (peer1->ttl != 1)) | |
5f9adb5d DL |
5867 | return 1; |
5868 | } | |
5869 | } | |
5870 | else | |
5871 | { | |
5d804b43 PM |
5872 | if ((peer_sort(peer) != BGP_PEER_IBGP) && |
5873 | (peer->ttl != 1)) | |
5f9adb5d DL |
5874 | return 1; |
5875 | } | |
5876 | return 0; | |
5877 | } | |
5878 | ||
fa411a21 NH |
5879 | /* Set # of hops between us and BGP peer. */ |
5880 | int | |
5881 | peer_ttl_security_hops_set (struct peer *peer, int gtsm_hops) | |
5882 | { | |
5883 | struct peer_group *group; | |
5884 | struct listnode *node, *nnode; | |
fa411a21 NH |
5885 | int ret; |
5886 | ||
5887 | zlog_debug ("peer_ttl_security_hops_set: set gtsm_hops to %d for %s", gtsm_hops, peer->host); | |
5888 | ||
fa411a21 NH |
5889 | /* We cannot configure ttl-security hops when ebgp-multihop is already |
5890 | set. For non peer-groups, the check is simple. For peer-groups, it's | |
5891 | slightly messy, because we need to check both the peer-group structure | |
5892 | and all peer-group members for any trace of ebgp-multihop configuration | |
5893 | before actually applying the ttl-security rules. Cisco really made a | |
5894 | mess of this configuration parameter, and OpenBGPD got it right. | |
5895 | */ | |
e5cc509c DS |
5896 | |
5897 | if ((peer->gtsm_hops == 0) && (peer->sort != BGP_PEER_IBGP)) | |
5f9adb5d DL |
5898 | { |
5899 | if (is_ebgp_multihop_configured (peer)) | |
5900 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
fa411a21 | 5901 | |
e5cc509c DS |
5902 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
5903 | { | |
5904 | peer->gtsm_hops = gtsm_hops; | |
fa411a21 | 5905 | |
e5cc509c DS |
5906 | /* Calling ebgp multihop also resets the session. |
5907 | * On restart, NHT will get setup correctly as will the | |
5908 | * min & max ttls on the socket. The return value is | |
5909 | * irrelevant. | |
5910 | */ | |
5911 | ret = peer_ebgp_multihop_set (peer, MAXTTL); | |
5912 | ||
5913 | if (ret != 0) | |
5914 | return ret; | |
5915 | } | |
5916 | else | |
5917 | { | |
5918 | group = peer->group; | |
5919 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
5920 | { | |
5921 | peer->gtsm_hops = group->conf->gtsm_hops; | |
5922 | ||
5923 | /* Calling ebgp multihop also resets the session. | |
5924 | * On restart, NHT will get setup correctly as will the | |
5925 | * min & max ttls on the socket. The return value is | |
5926 | * irrelevant. | |
5927 | */ | |
5928 | ret = peer_ebgp_multihop_set (peer, MAXTTL); | |
5929 | } | |
5930 | } | |
fa411a21 NH |
5931 | } |
5932 | else | |
5933 | { | |
e5cc509c DS |
5934 | /* Post the first gtsm setup or if its ibgp, maxttl setting isn't |
5935 | * necessary, just set the minttl. | |
5936 | */ | |
5937 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
fa411a21 | 5938 | { |
e5cc509c | 5939 | peer->gtsm_hops = gtsm_hops; |
fa411a21 | 5940 | |
e5cc509c DS |
5941 | if (peer->fd >= 0) |
5942 | sockopt_minttl (peer->su.sa.sa_family, peer->fd, | |
5943 | MAXTTL + 1 - gtsm_hops); | |
5944 | if ((peer->status < Established) && peer->doppelganger && | |
5945 | (peer->doppelganger->fd >= 0)) | |
5946 | sockopt_minttl (peer->su.sa.sa_family, peer->doppelganger->fd, | |
5947 | MAXTTL + 1 - gtsm_hops); | |
5948 | } | |
5949 | else | |
5950 | { | |
5951 | group = peer->group; | |
5952 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
f5a4827d | 5953 | { |
e5cc509c DS |
5954 | peer->gtsm_hops = group->conf->gtsm_hops; |
5955 | ||
5956 | /* Change setting of existing peer | |
5957 | * established then change value (may break connectivity) | |
5958 | * not established yet (teardown session and restart) | |
5959 | * no session then do nothing (will get handled by next connection) | |
5960 | */ | |
f5a4827d SH |
5961 | if (peer->fd >= 0 && peer->gtsm_hops != 0) |
5962 | sockopt_minttl (peer->su.sa.sa_family, peer->fd, | |
5963 | MAXTTL + 1 - peer->gtsm_hops); | |
e5cc509c DS |
5964 | if ((peer->status < Established) && peer->doppelganger && |
5965 | (peer->doppelganger->fd >= 0)) | |
5966 | sockopt_minttl (peer->su.sa.sa_family, peer->doppelganger->fd, | |
5967 | MAXTTL + 1 - gtsm_hops); | |
5968 | ||
f5a4827d | 5969 | } |
fa411a21 NH |
5970 | } |
5971 | } | |
5972 | ||
5973 | return 0; | |
5974 | } | |
5975 | ||
5976 | int | |
5977 | peer_ttl_security_hops_unset (struct peer *peer) | |
5978 | { | |
5979 | struct peer_group *group; | |
5980 | struct listnode *node, *nnode; | |
e5cc509c | 5981 | int ret = 0; |
fa411a21 NH |
5982 | |
5983 | zlog_debug ("peer_ttl_security_hops_unset: set gtsm_hops to zero for %s", peer->host); | |
5984 | ||
fa411a21 NH |
5985 | /* if a peer-group member, then reset to peer-group default rather than 0 */ |
5986 | if (peer_group_active (peer)) | |
5987 | peer->gtsm_hops = peer->group->conf->gtsm_hops; | |
5988 | else | |
5989 | peer->gtsm_hops = 0; | |
5990 | ||
fa411a21 NH |
5991 | if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) |
5992 | { | |
e5cc509c DS |
5993 | /* Invoking ebgp_multihop_set will set the TTL back to the original |
5994 | * value as well as restting the NHT and such. The session is reset. | |
5995 | */ | |
5996 | if (peer->sort == BGP_PEER_EBGP) | |
5997 | ret = peer_ebgp_multihop_unset (peer); | |
5998 | else | |
5999 | { | |
6000 | if (peer->fd >= 0) | |
6001 | sockopt_minttl (peer->su.sa.sa_family, peer->fd, 0); | |
1ff9a340 | 6002 | |
e5cc509c DS |
6003 | if ((peer->status < Established) && peer->doppelganger && |
6004 | (peer->doppelganger->fd >= 0)) | |
6005 | sockopt_minttl (peer->su.sa.sa_family, | |
6006 | peer->doppelganger->fd, 0); | |
6007 | } | |
fa411a21 NH |
6008 | } |
6009 | else | |
6010 | { | |
6011 | group = peer->group; | |
6012 | for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer)) | |
6013 | { | |
fa411a21 | 6014 | peer->gtsm_hops = 0; |
e5cc509c DS |
6015 | if (peer->sort == BGP_PEER_EBGP) |
6016 | ret = peer_ebgp_multihop_unset (peer); | |
6017 | else | |
6018 | { | |
6019 | if (peer->fd >= 0) | |
6020 | sockopt_minttl (peer->su.sa.sa_family, peer->fd, 0); | |
1ff9a340 | 6021 | |
e5cc509c DS |
6022 | if ((peer->status < Established) && peer->doppelganger && |
6023 | (peer->doppelganger->fd >= 0)) | |
6024 | sockopt_minttl (peer->su.sa.sa_family, | |
6025 | peer->doppelganger->fd, 0); | |
6026 | } | |
fa411a21 NH |
6027 | } |
6028 | } | |
6029 | ||
88177fe3 | 6030 | return ret; |
fa411a21 | 6031 | } |
6b0655a2 | 6032 | |
1ff9a340 DS |
6033 | /* |
6034 | * If peer clear is invoked in a loop for all peers on the BGP instance, | |
6035 | * it may end up freeing the doppelganger, and if this was the next node | |
6036 | * to the current node, we would end up accessing the freed next node. | |
6037 | * Pass along additional parameter which can be updated if next node | |
6038 | * is freed; only required when walking the peer list on BGP instance. | |
6039 | */ | |
718e3744 | 6040 | int |
1ff9a340 | 6041 | peer_clear (struct peer *peer, struct listnode **nnode) |
718e3744 | 6042 | { |
6043 | if (! CHECK_FLAG (peer->flags, PEER_FLAG_SHUTDOWN)) | |
6044 | { | |
0a486e5f | 6045 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW)) |
6046 | { | |
6047 | UNSET_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); | |
6048 | if (peer->t_pmax_restart) | |
6049 | { | |
6050 | BGP_TIMER_OFF (peer->t_pmax_restart); | |
16286195 | 6051 | if (bgp_debug_neighbor_events(peer)) |
0a486e5f | 6052 | zlog_debug ("%s Maximum-prefix restart timer canceled", |
6053 | peer->host); | |
6054 | } | |
6055 | BGP_EVENT_ADD (peer, BGP_Start); | |
6056 | return 0; | |
6057 | } | |
6058 | ||
718e3744 | 6059 | peer->v_start = BGP_INIT_START_TIMER; |
6aa136f1 | 6060 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) |
718e3744 | 6061 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, |
6062 | BGP_NOTIFY_CEASE_ADMIN_RESET); | |
6063 | else | |
1ff9a340 | 6064 | bgp_session_reset_safe(peer, nnode); |
718e3744 | 6065 | } |
6066 | return 0; | |
6067 | } | |
6068 | ||
6069 | int | |
6070 | peer_clear_soft (struct peer *peer, afi_t afi, safi_t safi, | |
6071 | enum bgp_clear_type stype) | |
6072 | { | |
6a646146 DS |
6073 | struct peer_af *paf; |
6074 | ||
718e3744 | 6075 | if (peer->status != Established) |
6076 | return 0; | |
6077 | ||
6078 | if (! peer->afc[afi][safi]) | |
6079 | return BGP_ERR_AF_UNCONFIGURED; | |
6080 | ||
e9a0c656 TT |
6081 | peer->rtt = sockopt_tcp_rtt (peer->fd); |
6082 | ||
718e3744 | 6083 | if (stype == BGP_CLEAR_SOFT_OUT || stype == BGP_CLEAR_SOFT_BOTH) |
6a646146 DS |
6084 | { |
6085 | /* Clear the "neighbor x.x.x.x default-originate" flag */ | |
6086 | paf = peer_af_find (peer, afi, safi); | |
6087 | if (paf && paf->subgroup && | |
6088 | CHECK_FLAG (paf->subgroup->sflags, SUBGRP_STATUS_DEFAULT_ORIGINATE)) | |
6089 | UNSET_FLAG (paf->subgroup->sflags, SUBGRP_STATUS_DEFAULT_ORIGINATE); | |
6090 | ||
6091 | bgp_announce_route (peer, afi, safi); | |
6092 | } | |
718e3744 | 6093 | |
6094 | if (stype == BGP_CLEAR_SOFT_IN_ORF_PREFIX) | |
6095 | { | |
6096 | if (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_SM_ADV) | |
6097 | && (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_RCV) | |
6098 | || CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_OLD_RCV))) | |
6099 | { | |
6100 | struct bgp_filter *filter = &peer->filter[afi][safi]; | |
6101 | u_char prefix_type; | |
6102 | ||
6103 | if (CHECK_FLAG (peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_RCV)) | |
6104 | prefix_type = ORF_TYPE_PREFIX; | |
6105 | else | |
6106 | prefix_type = ORF_TYPE_PREFIX_OLD; | |
6107 | ||
6108 | if (filter->plist[FILTER_IN].plist) | |
6109 | { | |
6110 | if (CHECK_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_ORF_PREFIX_SEND)) | |
6111 | bgp_route_refresh_send (peer, afi, safi, | |
6112 | prefix_type, REFRESH_DEFER, 1); | |
6113 | bgp_route_refresh_send (peer, afi, safi, prefix_type, | |
6114 | REFRESH_IMMEDIATE, 0); | |
6115 | } | |
6116 | else | |
6117 | { | |
6118 | if (CHECK_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_ORF_PREFIX_SEND)) | |
6119 | bgp_route_refresh_send (peer, afi, safi, | |
6120 | prefix_type, REFRESH_IMMEDIATE, 1); | |
6121 | else | |
6122 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
6123 | } | |
6124 | return 0; | |
6125 | } | |
6126 | } | |
6127 | ||
6128 | if (stype == BGP_CLEAR_SOFT_IN || stype == BGP_CLEAR_SOFT_BOTH | |
6129 | || stype == BGP_CLEAR_SOFT_IN_ORF_PREFIX) | |
6130 | { | |
6131 | /* If neighbor has soft reconfiguration inbound flag. | |
6132 | Use Adj-RIB-In database. */ | |
6133 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG)) | |
6134 | bgp_soft_reconfig_in (peer, afi, safi); | |
6135 | else | |
6136 | { | |
6137 | /* If neighbor has route refresh capability, send route refresh | |
6138 | message to the peer. */ | |
6139 | if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
6140 | || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
6141 | bgp_route_refresh_send (peer, afi, safi, 0, 0, 0); | |
6142 | else | |
6143 | return BGP_ERR_SOFT_RECONFIG_UNCONFIGURED; | |
6144 | } | |
6145 | } | |
6146 | return 0; | |
6147 | } | |
6b0655a2 | 6148 | |
fd79ac91 | 6149 | /* Display peer uptime.*/ |
6150 | /* XXX: why does this function return char * when it takes buffer? */ | |
718e3744 | 6151 | char * |
856ca177 | 6152 | peer_uptime (time_t uptime2, char *buf, size_t len, u_char use_json, json_object *json) |
718e3744 | 6153 | { |
6154 | time_t uptime1; | |
6155 | struct tm *tm; | |
6156 | ||
6157 | /* Check buffer length. */ | |
6158 | if (len < BGP_UPTIME_LEN) | |
6159 | { | |
856ca177 MS |
6160 | if (!use_json) |
6161 | { | |
6162 | zlog_warn ("peer_uptime (): buffer shortage %lu", (u_long)len); | |
6163 | /* XXX: should return status instead of buf... */ | |
6164 | snprintf (buf, len, "<error> "); | |
6165 | } | |
fd79ac91 | 6166 | return buf; |
718e3744 | 6167 | } |
6168 | ||
6169 | /* If there is no connection has been done before print `never'. */ | |
6170 | if (uptime2 == 0) | |
6171 | { | |
856ca177 MS |
6172 | if (use_json) |
6173 | json_object_string_add(json, "peerUptime", "never"); | |
6174 | else | |
6175 | snprintf (buf, len, "never"); | |
718e3744 | 6176 | return buf; |
6177 | } | |
6178 | ||
6179 | /* Get current time. */ | |
65957886 | 6180 | uptime1 = bgp_clock (); |
718e3744 | 6181 | uptime1 -= uptime2; |
6182 | tm = gmtime (&uptime1); | |
6183 | ||
6184 | /* Making formatted timer strings. */ | |
6185 | #define ONE_DAY_SECOND 60*60*24 | |
3a6229da PJ |
6186 | #define ONE_WEEK_SECOND ONE_DAY_SECOND*7 |
6187 | #define ONE_YEAR_SECOND ONE_DAY_SECOND*365 | |
718e3744 | 6188 | |
856ca177 MS |
6189 | if (use_json) |
6190 | { | |
1d889348 | 6191 | unsigned long time_store; |
1d889348 | 6192 | unsigned long sec_msec = 1000; |
3a6229da PJ |
6193 | unsigned long minute_msec = sec_msec * 60; |
6194 | unsigned long hour_msec = minute_msec * 60; | |
6195 | unsigned long day_msec = hour_msec * 24; | |
6196 | unsigned long year_msec = day_msec *365; | |
1d889348 DS |
6197 | |
6198 | time_store = | |
3a6229da | 6199 | year_msec * tm->tm_year + |
1d889348 DS |
6200 | day_msec * tm->tm_yday + |
6201 | hour_msec * tm->tm_hour + | |
6202 | minute_msec * tm->tm_min + | |
6203 | sec_msec * tm->tm_sec; | |
6204 | json_object_int_add(json, "peerUptimeMsec", time_store); | |
6205 | } | |
6206 | ||
6207 | if (uptime1 < ONE_DAY_SECOND) | |
6208 | snprintf (buf, len, "%02d:%02d:%02d", | |
6209 | tm->tm_hour, tm->tm_min, tm->tm_sec); | |
6210 | else if (uptime1 < ONE_WEEK_SECOND) | |
6211 | snprintf (buf, len, "%dd%02dh%02dm", | |
6212 | tm->tm_yday, tm->tm_hour, tm->tm_min); | |
3a6229da | 6213 | else if (uptime1 < ONE_YEAR_SECOND) |
1d889348 DS |
6214 | snprintf (buf, len, "%02dw%dd%02dh", |
6215 | tm->tm_yday/7, tm->tm_yday - ((tm->tm_yday/7) * 7), tm->tm_hour); | |
3a6229da PJ |
6216 | else |
6217 | snprintf (buf, len, "%02dy%02dw%dd", | |
6218 | tm->tm_year - 70, tm->tm_yday/7, | |
6219 | tm->tm_yday - ((tm->tm_yday/7) * 7)); | |
1d889348 | 6220 | |
718e3744 | 6221 | return buf; |
6222 | } | |
6b0655a2 | 6223 | |
400b1fad DW |
6224 | static void |
6225 | afi_header_vty_out (struct vty *vty, afi_t afi, safi_t safi, | |
6226 | int *write, const char *format, ...) | |
6227 | { | |
6228 | va_list args; | |
6229 | int len = 0; | |
6230 | char buf[1024]; | |
6231 | ||
6232 | bgp_config_write_family_header (vty, afi, safi, write); | |
6233 | ||
6234 | if (vty_shell (vty)) | |
6235 | { | |
6236 | va_start (args, format); | |
6237 | vprintf (format, args); | |
6238 | va_end (args); | |
6239 | } | |
6240 | else | |
6241 | { | |
6242 | va_start (args, format); | |
6243 | len = vsnprintf (buf, sizeof(buf), format, args); | |
6244 | va_end (args); | |
6245 | ||
6246 | buffer_put (vty->obuf, (u_char *) buf, len); | |
6247 | } | |
6248 | } | |
6249 | ||
94f2b392 | 6250 | static void |
718e3744 | 6251 | bgp_config_write_filter (struct vty *vty, struct peer *peer, |
400b1fad | 6252 | afi_t afi, safi_t safi, int *write) |
718e3744 | 6253 | { |
6254 | struct bgp_filter *filter; | |
6255 | struct bgp_filter *gfilter = NULL; | |
6256 | char *addr; | |
6257 | int in = FILTER_IN; | |
6258 | int out = FILTER_OUT; | |
6259 | ||
6260 | addr = peer->host; | |
6261 | filter = &peer->filter[afi][safi]; | |
c8560b44 DW |
6262 | |
6263 | if (peer_group_active(peer)) | |
718e3744 | 6264 | gfilter = &peer->group->conf->filter[afi][safi]; |
6265 | ||
6266 | /* distribute-list. */ | |
6267 | if (filter->dlist[in].name) | |
6268 | if (! gfilter || ! gfilter->dlist[in].name | |
6269 | || strcmp (filter->dlist[in].name, gfilter->dlist[in].name) != 0) | |
400b1fad DW |
6270 | { |
6271 | afi_header_vty_out (vty, afi, safi, write, | |
6272 | " neighbor %s distribute-list %s in%s", | |
6273 | addr, filter->dlist[in].name, VTY_NEWLINE); | |
6274 | } | |
6275 | ||
718e3744 | 6276 | if (filter->dlist[out].name && ! gfilter) |
400b1fad DW |
6277 | { |
6278 | afi_header_vty_out (vty, afi, safi, write, | |
6279 | " neighbor %s distribute-list %s out%s", | |
6280 | addr, filter->dlist[out].name, VTY_NEWLINE); | |
6281 | } | |
718e3744 | 6282 | |
6283 | /* prefix-list. */ | |
6284 | if (filter->plist[in].name) | |
6285 | if (! gfilter || ! gfilter->plist[in].name | |
6286 | || strcmp (filter->plist[in].name, gfilter->plist[in].name) != 0) | |
400b1fad DW |
6287 | { |
6288 | afi_header_vty_out (vty, afi, safi, write, | |
6289 | " neighbor %s prefix-list %s in%s", | |
6290 | addr, filter->plist[in].name, VTY_NEWLINE); | |
6291 | } | |
6292 | ||
718e3744 | 6293 | if (filter->plist[out].name && ! gfilter) |
400b1fad DW |
6294 | { |
6295 | afi_header_vty_out (vty, afi, safi, write, | |
6296 | " neighbor %s prefix-list %s out%s", | |
6297 | addr, filter->plist[out].name, VTY_NEWLINE); | |
6298 | } | |
718e3744 | 6299 | |
6300 | /* route-map. */ | |
fee0f4c6 | 6301 | if (filter->map[RMAP_IN].name) |
6302 | if (! gfilter || ! gfilter->map[RMAP_IN].name | |
6303 | || strcmp (filter->map[RMAP_IN].name, gfilter->map[RMAP_IN].name) != 0) | |
400b1fad DW |
6304 | { |
6305 | afi_header_vty_out (vty, afi, safi, write, | |
6306 | " neighbor %s route-map %s in%s", | |
6307 | addr, filter->map[RMAP_IN].name, VTY_NEWLINE); | |
6308 | } | |
6309 | ||
2bd5af06 DS |
6310 | if (filter->map[RMAP_OUT].name) |
6311 | if (! gfilter || ! gfilter->map[RMAP_OUT].name | |
6312 | || strcmp (filter->map[RMAP_OUT].name, gfilter->map[RMAP_OUT].name) != 0) | |
400b1fad DW |
6313 | { |
6314 | afi_header_vty_out (vty, afi, safi, write, | |
6315 | " neighbor %s route-map %s out%s", | |
6316 | addr, filter->map[RMAP_OUT].name, VTY_NEWLINE); | |
6317 | } | |
6318 | ||
718e3744 | 6319 | /* unsuppress-map */ |
6320 | if (filter->usmap.name && ! gfilter) | |
400b1fad DW |
6321 | { |
6322 | afi_header_vty_out (vty, afi, safi, write, | |
6323 | " neighbor %s unsuppress-map %s%s", | |
6324 | addr, filter->usmap.name, VTY_NEWLINE); | |
6325 | } | |
718e3744 | 6326 | |
6327 | /* filter-list. */ | |
6328 | if (filter->aslist[in].name) | |
6329 | if (! gfilter || ! gfilter->aslist[in].name | |
6330 | || strcmp (filter->aslist[in].name, gfilter->aslist[in].name) != 0) | |
400b1fad DW |
6331 | { |
6332 | afi_header_vty_out (vty, afi, safi, write, | |
6333 | " neighbor %s filter-list %s in%s", | |
6334 | addr, filter->aslist[in].name, VTY_NEWLINE); | |
6335 | } | |
6336 | ||
718e3744 | 6337 | if (filter->aslist[out].name && ! gfilter) |
400b1fad DW |
6338 | { |
6339 | afi_header_vty_out (vty, afi, safi, write, | |
6340 | " neighbor %s filter-list %s out%s", | |
6341 | addr, filter->aslist[out].name, VTY_NEWLINE); | |
6342 | } | |
718e3744 | 6343 | } |
6344 | ||
6345 | /* BGP peer configuration display function. */ | |
94f2b392 | 6346 | static void |
0b960b4d DW |
6347 | bgp_config_write_peer_global (struct vty *vty, struct bgp *bgp, |
6348 | struct peer *peer) | |
718e3744 | 6349 | { |
718e3744 | 6350 | struct peer *g_peer = NULL; |
6351 | char buf[SU_ADDRSTRLEN]; | |
6352 | char *addr; | |
b3a39dc5 DD |
6353 | int if_pg_printed = FALSE; |
6354 | int if_ras_printed = FALSE; | |
718e3744 | 6355 | |
f14e6fdb DS |
6356 | /* Skip dynamic neighbors. */ |
6357 | if (peer_dynamic_neighbor (peer)) | |
6358 | return; | |
6359 | ||
a80beece DS |
6360 | if (peer->conf_if) |
6361 | addr = peer->conf_if; | |
6362 | else | |
6363 | addr = peer->host; | |
6364 | ||
718e3744 | 6365 | /************************************ |
6366 | ****** Global to the neighbor ****** | |
6367 | ************************************/ | |
0b960b4d | 6368 | if (peer->conf_if) |
718e3744 | 6369 | { |
0b960b4d | 6370 | if (CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY)) |
4c48cf63 | 6371 | vty_out (vty, " neighbor %s interface v6only", addr); |
0b960b4d | 6372 | else |
4c48cf63 DW |
6373 | vty_out (vty, " neighbor %s interface", addr); |
6374 | ||
6375 | if (peer_group_active (peer)) | |
b3a39dc5 DD |
6376 | { |
6377 | vty_out (vty, " peer-group %s", peer->group->name); | |
6378 | if_pg_printed = TRUE; | |
6379 | } | |
6380 | else if (peer->as_type == AS_SPECIFIED) | |
6381 | { | |
6382 | vty_out (vty, " remote-as %u", peer->as); | |
6383 | if_ras_printed = TRUE; | |
6384 | } | |
6385 | else if (peer->as_type == AS_INTERNAL) | |
6386 | { | |
6387 | vty_out (vty, " remote-as internal"); | |
6388 | if_ras_printed = TRUE; | |
6389 | } | |
6390 | else if (peer->as_type == AS_EXTERNAL) | |
6391 | { | |
6392 | vty_out (vty, " remote-as external"); | |
6393 | if_ras_printed = TRUE; | |
6394 | } | |
4c48cf63 DW |
6395 | |
6396 | vty_out (vty, "%s", VTY_NEWLINE); | |
0b960b4d | 6397 | } |
a80beece | 6398 | |
c8560b44 DW |
6399 | /* remote-as and peer-group */ |
6400 | /* peer is a member of a peer-group */ | |
6401 | if (peer_group_active (peer)) | |
0b960b4d | 6402 | { |
c8560b44 | 6403 | g_peer = peer->group->conf; |
0b960b4d | 6404 | |
b3a39dc5 | 6405 | if (g_peer->as_type == AS_UNSPECIFIED && !if_ras_printed) |
0b960b4d DW |
6406 | { |
6407 | if (peer->as_type == AS_SPECIFIED) | |
6408 | { | |
6409 | vty_out (vty, " neighbor %s remote-as %u%s", addr, peer->as, | |
6410 | VTY_NEWLINE); | |
6411 | } | |
6412 | else if (peer->as_type == AS_INTERNAL) | |
6413 | { | |
6414 | vty_out (vty, " neighbor %s remote-as internal%s", addr, VTY_NEWLINE); | |
6415 | } | |
6416 | else if (peer->as_type == AS_EXTERNAL) | |
6417 | { | |
6418 | vty_out (vty, " neighbor %s remote-as external%s", addr, VTY_NEWLINE); | |
6419 | } | |
6420 | } | |
c8560b44 | 6421 | |
4c48cf63 DW |
6422 | /* For swpX peers we displayed the peer-group |
6423 | * via 'neighbor swpX interface peer-group WORD' */ | |
b3a39dc5 | 6424 | if (!if_pg_printed) |
4c48cf63 DW |
6425 | vty_out (vty, " neighbor %s peer-group %s%s", addr, |
6426 | peer->group->name, VTY_NEWLINE); | |
c8560b44 DW |
6427 | } |
6428 | ||
6429 | /* peer is NOT a member of a peer-group */ | |
6430 | else | |
6431 | { | |
6432 | /* peer is a peer-group, declare the peer-group */ | |
6433 | if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) | |
6434 | { | |
6435 | vty_out (vty, " neighbor %s peer-group%s", addr, | |
6436 | VTY_NEWLINE); | |
6437 | } | |
6438 | ||
b3a39dc5 | 6439 | if (!if_ras_printed) |
c8560b44 | 6440 | { |
b3a39dc5 DD |
6441 | if (peer->as_type == AS_SPECIFIED) |
6442 | { | |
6443 | vty_out (vty, " neighbor %s remote-as %u%s", addr, peer->as, | |
6444 | VTY_NEWLINE); | |
6445 | } | |
6446 | else if (peer->as_type == AS_INTERNAL) | |
6447 | { | |
6448 | vty_out (vty, " neighbor %s remote-as internal%s", addr, VTY_NEWLINE); | |
6449 | } | |
6450 | else if (peer->as_type == AS_EXTERNAL) | |
6451 | { | |
6452 | vty_out (vty, " neighbor %s remote-as external%s", addr, VTY_NEWLINE); | |
6453 | } | |
0b960b4d DW |
6454 | } |
6455 | } | |
718e3744 | 6456 | |
0b960b4d DW |
6457 | /* local-as */ |
6458 | if (peer->change_local_as) | |
6459 | { | |
06830cb8 DW |
6460 | if (! peer_group_active (peer) |
6461 | || peer->change_local_as != g_peer->change_local_as | |
6462 | || (CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) != | |
6463 | CHECK_FLAG (g_peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND)) | |
6464 | || (CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) != | |
6465 | CHECK_FLAG (g_peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS))) | |
0b960b4d DW |
6466 | { |
6467 | vty_out (vty, " neighbor %s local-as %u%s%s%s", addr, | |
6468 | peer->change_local_as, | |
6469 | CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) ? | |
6470 | " no-prepend" : "", | |
6471 | CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) ? | |
6472 | " replace-as" : "", VTY_NEWLINE); | |
6473 | } | |
6474 | } | |
718e3744 | 6475 | |
0b960b4d DW |
6476 | /* description */ |
6477 | if (peer->desc) | |
6478 | { | |
6479 | vty_out (vty, " neighbor %s description %s%s", addr, peer->desc, | |
6480 | VTY_NEWLINE); | |
6481 | } | |
718e3744 | 6482 | |
0b960b4d DW |
6483 | /* shutdown */ |
6484 | if (CHECK_FLAG (peer->flags, PEER_FLAG_SHUTDOWN)) | |
6485 | { | |
6486 | if (! peer_group_active (peer) || | |
6487 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_SHUTDOWN)) | |
6488 | { | |
6489 | vty_out (vty, " neighbor %s shutdown%s", addr, VTY_NEWLINE); | |
6490 | } | |
6491 | } | |
d5a5c8f0 | 6492 | |
0b960b4d DW |
6493 | /* bfd */ |
6494 | if (peer->bfd_info) | |
6495 | { | |
6496 | if (! peer_group_active (peer) || ! g_peer->bfd_info) | |
6497 | { | |
6498 | bgp_bfd_peer_config_write(vty, peer, addr); | |
6499 | } | |
6500 | } | |
718e3744 | 6501 | |
0b960b4d DW |
6502 | /* password */ |
6503 | if (peer->password) | |
6504 | { | |
6505 | if (!peer_group_active (peer) | |
6506 | || ! g_peer->password | |
6507 | || strcmp (peer->password, g_peer->password) != 0) | |
6508 | { | |
6509 | vty_out (vty, " neighbor %s password %s%s", addr, peer->password, | |
6510 | VTY_NEWLINE); | |
6511 | } | |
6512 | } | |
6513 | ||
6514 | /* neighbor solo */ | |
6515 | if (CHECK_FLAG(peer->flags, PEER_FLAG_LONESOUL)) | |
6516 | { | |
6517 | if (!peer_group_active (peer)) | |
6518 | { | |
6519 | vty_out (vty, " neighbor %s solo%s", addr, VTY_NEWLINE); | |
6520 | } | |
6521 | } | |
6522 | ||
6523 | /* BGP port */ | |
6524 | if (peer->port != BGP_PORT_DEFAULT) | |
6525 | { | |
6526 | vty_out (vty, " neighbor %s port %d%s", addr, peer->port, | |
6527 | VTY_NEWLINE); | |
6528 | } | |
6529 | ||
6530 | /* Local interface name */ | |
6531 | if (peer->ifname) | |
6532 | { | |
6533 | vty_out (vty, " neighbor %s interface %s%s", addr, peer->ifname, | |
6534 | VTY_NEWLINE); | |
6535 | } | |
6536 | ||
6537 | /* passive */ | |
6538 | if (CHECK_FLAG (peer->flags, PEER_FLAG_PASSIVE)) | |
6539 | { | |
6540 | if (! peer_group_active (peer) || | |
6541 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_PASSIVE)) | |
6542 | { | |
6543 | vty_out (vty, " neighbor %s passive%s", addr, VTY_NEWLINE); | |
6544 | } | |
6545 | } | |
6546 | ||
6547 | /* ebgp-multihop */ | |
6548 | if (peer->sort != BGP_PEER_IBGP && peer->ttl != 1 && | |
6549 | !(peer->gtsm_hops != 0 && peer->ttl == MAXTTL)) | |
6550 | { | |
6551 | if (! peer_group_active (peer) || g_peer->ttl != peer->ttl) | |
6552 | { | |
6553 | vty_out (vty, " neighbor %s ebgp-multihop %d%s", addr, peer->ttl, | |
6554 | VTY_NEWLINE); | |
6555 | } | |
6556 | } | |
6557 | ||
6558 | /* ttl-security hops */ | |
6559 | if (peer->gtsm_hops != 0) | |
6560 | { | |
6561 | if (! peer_group_active (peer) || g_peer->gtsm_hops != peer->gtsm_hops) | |
6562 | { | |
89b6d1f8 | 6563 | vty_out (vty, " neighbor %s ttl-security hops %d%s", addr, |
fa411a21 | 6564 | peer->gtsm_hops, VTY_NEWLINE); |
0b960b4d DW |
6565 | } |
6566 | } | |
fa411a21 | 6567 | |
0b960b4d DW |
6568 | /* disable-connected-check */ |
6569 | if (CHECK_FLAG (peer->flags, PEER_FLAG_DISABLE_CONNECTED_CHECK)) | |
6570 | { | |
6571 | if (! peer_group_active (peer) || | |
6572 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_DISABLE_CONNECTED_CHECK)) | |
6573 | { | |
6574 | vty_out (vty, " neighbor %s disable-connected-check%s", addr, VTY_NEWLINE); | |
6575 | } | |
6576 | } | |
718e3744 | 6577 | |
0b960b4d DW |
6578 | /* update-source */ |
6579 | if (peer->update_if) | |
6580 | { | |
6581 | if (! peer_group_active (peer) || ! g_peer->update_if | |
6582 | || strcmp (g_peer->update_if, peer->update_if) != 0) | |
6583 | { | |
6584 | vty_out (vty, " neighbor %s update-source %s%s", addr, | |
6585 | peer->update_if, VTY_NEWLINE); | |
6586 | } | |
6587 | } | |
6588 | if (peer->update_source) | |
6589 | { | |
6590 | if (! peer_group_active (peer) || ! g_peer->update_source | |
6591 | || sockunion_cmp (g_peer->update_source, | |
6592 | peer->update_source) != 0) | |
6593 | { | |
6594 | vty_out (vty, " neighbor %s update-source %s%s", addr, | |
6595 | sockunion2str (peer->update_source, buf, SU_ADDRSTRLEN), | |
6596 | VTY_NEWLINE); | |
6597 | } | |
6598 | } | |
718e3744 | 6599 | |
0b960b4d | 6600 | /* advertisement-interval */ |
813d4307 DW |
6601 | if (CHECK_FLAG (peer->config, PEER_CONFIG_ROUTEADV) |
6602 | && peer->v_routeadv != BGP_DEFAULT_EBGP_ROUTEADV | |
6603 | && ! peer_group_active (peer)) | |
0b960b4d DW |
6604 | { |
6605 | vty_out (vty, " neighbor %s advertisement-interval %d%s", | |
6606 | addr, peer->v_routeadv, VTY_NEWLINE); | |
6607 | } | |
8a92a8a0 | 6608 | |
0b960b4d DW |
6609 | /* timers */ |
6610 | if (CHECK_FLAG (peer->config, PEER_CONFIG_TIMER) | |
813d4307 | 6611 | && (peer->keepalive != BGP_DEFAULT_KEEPALIVE || peer->holdtime != BGP_DEFAULT_HOLDTIME) |
0b960b4d DW |
6612 | && ! peer_group_active (peer)) |
6613 | { | |
6614 | vty_out (vty, " neighbor %s timers %d %d%s", addr, | |
6615 | peer->keepalive, peer->holdtime, VTY_NEWLINE); | |
6616 | } | |
718e3744 | 6617 | |
0b960b4d | 6618 | if (CHECK_FLAG (peer->config, PEER_CONFIG_CONNECT) && |
400b1fad | 6619 | peer->connect != BGP_DEFAULT_CONNECT_RETRY && |
0b960b4d DW |
6620 | ! peer_group_active (peer)) |
6621 | { | |
6622 | vty_out (vty, " neighbor %s timers connect %d%s", addr, | |
6623 | peer->connect, VTY_NEWLINE); | |
6624 | } | |
718e3744 | 6625 | |
0b960b4d DW |
6626 | /* weight */ |
6627 | if (CHECK_FLAG (peer->config, PEER_CONFIG_WEIGHT)) | |
6628 | { | |
6629 | if (! peer_group_active (peer) || g_peer->weight != peer->weight) | |
6630 | { | |
6631 | vty_out (vty, " neighbor %s weight %d%s", addr, peer->weight, | |
6632 | VTY_NEWLINE); | |
6633 | } | |
6634 | } | |
718e3744 | 6635 | |
0b960b4d DW |
6636 | /* capability dynamic */ |
6637 | if (CHECK_FLAG (peer->flags, PEER_FLAG_DYNAMIC_CAPABILITY)) | |
6638 | { | |
6639 | if (! peer_group_active (peer) || | |
6640 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_DYNAMIC_CAPABILITY)) | |
6641 | { | |
6642 | vty_out (vty, " neighbor %s capability dynamic%s", addr, | |
6643 | VTY_NEWLINE); | |
6644 | } | |
6645 | } | |
6646 | ||
6647 | /* capability extended-nexthop */ | |
b3a39dc5 DD |
6648 | if (peer->ifp && !CHECK_FLAG (peer->flags, PEER_FLAG_CAPABILITY_ENHE)) |
6649 | { | |
6650 | if (! peer_group_active (peer) || | |
6651 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_CAPABILITY_ENHE)) | |
6652 | { | |
6653 | vty_out (vty, " no neighbor %s capability extended-nexthop%s", addr, | |
6654 | VTY_NEWLINE); | |
6655 | } | |
6656 | } | |
6657 | ||
6658 | if (!peer->ifp && CHECK_FLAG (peer->flags, PEER_FLAG_CAPABILITY_ENHE)) | |
0b960b4d DW |
6659 | { |
6660 | if (! peer_group_active (peer) || | |
6661 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_CAPABILITY_ENHE)) | |
6662 | { | |
6663 | vty_out (vty, " neighbor %s capability extended-nexthop%s", addr, | |
6664 | VTY_NEWLINE); | |
6665 | } | |
718e3744 | 6666 | } |
6667 | ||
0b960b4d DW |
6668 | /* dont-capability-negotiation */ |
6669 | if (CHECK_FLAG (peer->flags, PEER_FLAG_DONT_CAPABILITY)) | |
6670 | { | |
6671 | if (! peer_group_active (peer) || | |
6672 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_DONT_CAPABILITY)) | |
6673 | { | |
6674 | vty_out (vty, " neighbor %s dont-capability-negotiate%s", addr, | |
6675 | VTY_NEWLINE); | |
6676 | } | |
6677 | } | |
718e3744 | 6678 | |
0b960b4d DW |
6679 | /* override-capability */ |
6680 | if (CHECK_FLAG (peer->flags, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
6681 | { | |
6682 | if (! peer_group_active (peer) || | |
6683 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
6684 | { | |
6685 | vty_out (vty, " neighbor %s override-capability%s", addr, | |
6686 | VTY_NEWLINE); | |
6687 | } | |
6688 | } | |
718e3744 | 6689 | |
0b960b4d DW |
6690 | /* strict-capability-match */ |
6691 | if (CHECK_FLAG (peer->flags, PEER_FLAG_STRICT_CAP_MATCH)) | |
718e3744 | 6692 | { |
0b960b4d DW |
6693 | if (! peer_group_active (peer) || |
6694 | ! CHECK_FLAG (g_peer->flags, PEER_FLAG_STRICT_CAP_MATCH)) | |
6695 | { | |
6696 | vty_out (vty, " neighbor %s strict-capability-match%s", addr, | |
6697 | VTY_NEWLINE); | |
6698 | } | |
718e3744 | 6699 | } |
0b960b4d DW |
6700 | } |
6701 | ||
0b960b4d DW |
6702 | /* BGP peer configuration display function. */ |
6703 | static void | |
6704 | bgp_config_write_peer_af (struct vty *vty, struct bgp *bgp, | |
400b1fad DW |
6705 | struct peer *peer, afi_t afi, safi_t safi, |
6706 | int *write) | |
0b960b4d DW |
6707 | { |
6708 | struct peer *g_peer = NULL; | |
6709 | char *addr; | |
6710 | ||
6711 | /* Skip dynamic neighbors. */ | |
6712 | if (peer_dynamic_neighbor (peer)) | |
6713 | return; | |
6714 | ||
6715 | if (peer->conf_if) | |
6716 | addr = peer->conf_if; | |
6717 | else | |
6718 | addr = peer->host; | |
6719 | ||
0b960b4d DW |
6720 | /************************************ |
6721 | ****** Per AF to the neighbor ****** | |
6722 | ************************************/ | |
c8560b44 | 6723 | if (peer_group_active (peer)) |
400b1fad | 6724 | { |
c8560b44 DW |
6725 | g_peer = peer->group->conf; |
6726 | ||
6727 | /* If the peer-group is active but peer is not, print a 'no activate' */ | |
6728 | if (g_peer->afc[afi][safi] && !peer->afc[afi][safi]) | |
6729 | { | |
6730 | afi_header_vty_out (vty, afi, safi, write, | |
6731 | " no neighbor %s activate%s", | |
6732 | addr, VTY_NEWLINE); | |
6733 | } | |
6734 | ||
6735 | /* If the peer-group is not active but peer is, print an 'activate' */ | |
6736 | else if (!g_peer->afc[afi][safi] && peer->afc[afi][safi]) | |
6737 | { | |
6738 | afi_header_vty_out (vty, afi, safi, write, | |
6739 | " neighbor %s activate%s", | |
6740 | addr, VTY_NEWLINE); | |
6741 | } | |
400b1fad | 6742 | } |
0b960b4d | 6743 | else |
c8560b44 DW |
6744 | { |
6745 | if (peer->afc[afi][safi]) | |
6746 | { | |
655f79c9 DD |
6747 | if ((afi == AFI_IP) && (safi == SAFI_UNICAST)) |
6748 | { | |
6749 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
6750 | { | |
a94d98ae DW |
6751 | afi_header_vty_out(vty, afi, safi, write, |
6752 | " neighbor %s activate%s", | |
6753 | addr, VTY_NEWLINE); | |
655f79c9 DD |
6754 | } |
6755 | } | |
6756 | else | |
6757 | afi_header_vty_out (vty, afi, safi, write, | |
6758 | " neighbor %s activate%s", | |
6759 | addr, VTY_NEWLINE); | |
c8560b44 | 6760 | } |
7709c62d DS |
6761 | else |
6762 | { | |
6763 | if ((afi == AFI_IP) && (safi == SAFI_UNICAST)) | |
6764 | { | |
6765 | if (!bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
6766 | { | |
6767 | afi_header_vty_out (vty, afi, safi, write, | |
6768 | " no neighbor %s activate%s", | |
6769 | addr, VTY_NEWLINE); | |
6770 | } | |
6771 | } | |
6772 | } | |
c8560b44 | 6773 | } |
718e3744 | 6774 | |
adbac85e DW |
6775 | /* addpath TX knobs */ |
6776 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ADDPATH_TX_ALL_PATHS)) | |
c8560b44 DW |
6777 | { |
6778 | afi_header_vty_out (vty, afi, safi, write, | |
6779 | " neighbor %s addpath-tx-all-paths%s", | |
6780 | addr, VTY_NEWLINE); | |
6781 | } | |
06370dac DW |
6782 | |
6783 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS)) | |
c8560b44 DW |
6784 | { |
6785 | afi_header_vty_out (vty, afi, safi, write, | |
6786 | " neighbor %s addpath-tx-bestpath-per-AS%s", | |
6787 | addr, VTY_NEWLINE); | |
6788 | } | |
adbac85e | 6789 | |
718e3744 | 6790 | /* ORF capability. */ |
88b8ed8d DW |
6791 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ORF_PREFIX_SM) || |
6792 | peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ORF_PREFIX_RM)) | |
718e3744 | 6793 | { |
400b1fad DW |
6794 | afi_header_vty_out (vty, afi, safi, write, |
6795 | " neighbor %s capability orf prefix-list", | |
6796 | addr); | |
718e3744 | 6797 | |
88b8ed8d DW |
6798 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ORF_PREFIX_SM) && |
6799 | peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ORF_PREFIX_RM)) | |
718e3744 | 6800 | vty_out (vty, " both"); |
88b8ed8d | 6801 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_ORF_PREFIX_SM)) |
718e3744 | 6802 | vty_out (vty, " send"); |
6803 | else | |
6804 | vty_out (vty, " receive"); | |
6805 | vty_out (vty, "%s", VTY_NEWLINE); | |
6806 | } | |
6807 | ||
6808 | /* Route reflector client. */ | |
88b8ed8d | 6809 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_REFLECTOR_CLIENT)) |
400b1fad DW |
6810 | { |
6811 | afi_header_vty_out (vty, afi, safi, write, | |
6812 | " neighbor %s route-reflector-client%s", | |
6813 | addr, VTY_NEWLINE); | |
6814 | } | |
88b8ed8d DW |
6815 | |
6816 | /* next-hop-self force */ | |
6817 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_FORCE_NEXTHOP_SELF)) | |
400b1fad DW |
6818 | { |
6819 | afi_header_vty_out (vty, afi, safi, write, | |
6820 | " neighbor %s next-hop-self force%s", | |
6821 | addr, VTY_NEWLINE); | |
6822 | } | |
718e3744 | 6823 | |
88b8ed8d DW |
6824 | /* next-hop-self */ |
6825 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_NEXTHOP_SELF)) | |
400b1fad DW |
6826 | { |
6827 | afi_header_vty_out (vty, afi, safi, write, | |
6828 | " neighbor %s next-hop-self%s", | |
6829 | addr, VTY_NEWLINE); | |
6830 | } | |
718e3744 | 6831 | |
5000f21c | 6832 | /* remove-private-AS */ |
88b8ed8d | 6833 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE)) |
400b1fad DW |
6834 | { |
6835 | afi_header_vty_out (vty, afi, safi, write, | |
6836 | " neighbor %s remove-private-AS all replace-AS%s", | |
6837 | addr, VTY_NEWLINE); | |
6838 | } | |
5000f21c | 6839 | |
88b8ed8d | 6840 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE)) |
400b1fad DW |
6841 | { |
6842 | afi_header_vty_out (vty, afi, safi, write, | |
6843 | " neighbor %s remove-private-AS replace-AS%s", | |
6844 | addr, VTY_NEWLINE); | |
6845 | } | |
5000f21c | 6846 | |
88b8ed8d | 6847 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_REMOVE_PRIVATE_AS_ALL)) |
400b1fad DW |
6848 | { |
6849 | afi_header_vty_out (vty, afi, safi, write, | |
6850 | " neighbor %s remove-private-AS all%s", | |
6851 | addr, VTY_NEWLINE); | |
6852 | } | |
5000f21c | 6853 | |
88b8ed8d | 6854 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_REMOVE_PRIVATE_AS)) |
400b1fad DW |
6855 | { |
6856 | afi_header_vty_out (vty, afi, safi, write, | |
6857 | " neighbor %s remove-private-AS%s", | |
6858 | addr, VTY_NEWLINE); | |
6859 | } | |
718e3744 | 6860 | |
c7122e14 | 6861 | /* as-override */ |
88b8ed8d | 6862 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_AS_OVERRIDE)) |
400b1fad DW |
6863 | { |
6864 | afi_header_vty_out (vty, afi, safi, write, | |
6865 | " neighbor %s as-override%s", | |
6866 | addr, VTY_NEWLINE); | |
6867 | } | |
c7122e14 | 6868 | |
718e3744 | 6869 | /* send-community print. */ |
88b8ed8d | 6870 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) |
718e3744 | 6871 | { |
88b8ed8d DW |
6872 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY) |
6873 | && peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) | |
400b1fad DW |
6874 | { |
6875 | afi_header_vty_out (vty, afi, safi, write, | |
6876 | " neighbor %s send-community both%s", | |
6877 | addr, VTY_NEWLINE); | |
6878 | } | |
88b8ed8d | 6879 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY)) |
400b1fad DW |
6880 | { |
6881 | afi_header_vty_out (vty, afi, safi, write, | |
6882 | " neighbor %s send-community extended%s", | |
6883 | addr, VTY_NEWLINE); | |
6884 | } | |
88b8ed8d | 6885 | else if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY)) |
400b1fad DW |
6886 | { |
6887 | afi_header_vty_out (vty, afi, safi, write, | |
6888 | " neighbor %s send-community%s", | |
6889 | addr, VTY_NEWLINE); | |
6890 | } | |
88b8ed8d DW |
6891 | } |
6892 | else | |
6893 | { | |
6894 | if (!peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY) && | |
ad695d6e | 6895 | (!g_peer || peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_SEND_COMMUNITY)) && |
88b8ed8d | 6896 | !peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY) && |
ad695d6e | 6897 | (!g_peer || peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY))) |
400b1fad DW |
6898 | { |
6899 | afi_header_vty_out (vty, afi, safi, write, | |
6900 | " no neighbor %s send-community both%s", | |
6901 | addr, VTY_NEWLINE); | |
6902 | } | |
88b8ed8d | 6903 | else if (!peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY) && |
ad695d6e | 6904 | (!g_peer || peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_SEND_EXT_COMMUNITY))) |
400b1fad DW |
6905 | { |
6906 | afi_header_vty_out (vty, afi, safi, write, | |
6907 | " no neighbor %s send-community extended%s", | |
6908 | addr, VTY_NEWLINE); | |
6909 | } | |
88b8ed8d | 6910 | else if (!peer_af_flag_check (peer, afi, safi, PEER_FLAG_SEND_COMMUNITY) && |
ad695d6e | 6911 | (!g_peer || peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_SEND_COMMUNITY))) |
400b1fad DW |
6912 | { |
6913 | afi_header_vty_out (vty, afi, safi, write, | |
6914 | " no neighbor %s send-community%s", | |
6915 | addr, VTY_NEWLINE); | |
6916 | } | |
718e3744 | 6917 | } |
6918 | ||
6919 | /* Default information */ | |
88b8ed8d DW |
6920 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_DEFAULT_ORIGINATE) || |
6921 | (g_peer && | |
6922 | ((peer->default_rmap[afi][safi].name && !g_peer->default_rmap[afi][safi].name) || | |
6923 | (!peer->default_rmap[afi][safi].name && g_peer->default_rmap[afi][safi].name) || | |
6924 | (peer->default_rmap[afi][safi].name && | |
6925 | strcmp(peer->default_rmap[afi][safi].name, g_peer->default_rmap[afi][safi].name))))) | |
718e3744 | 6926 | { |
400b1fad DW |
6927 | afi_header_vty_out (vty, afi, safi, write, |
6928 | " neighbor %s default-originate", addr); | |
718e3744 | 6929 | if (peer->default_rmap[afi][safi].name) |
88b8ed8d | 6930 | vty_out (vty, " route-map %s", peer->default_rmap[afi][safi].name); |
718e3744 | 6931 | vty_out (vty, "%s", VTY_NEWLINE); |
6932 | } | |
6933 | ||
6934 | /* Soft reconfiguration inbound. */ | |
88b8ed8d | 6935 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_SOFT_RECONFIG)) |
400b1fad DW |
6936 | { |
6937 | afi_header_vty_out (vty, afi, safi, write, | |
6938 | " neighbor %s soft-reconfiguration inbound%s", | |
6939 | addr, VTY_NEWLINE); | |
6940 | } | |
718e3744 | 6941 | |
6942 | /* maximum-prefix. */ | |
6943 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) | |
c8560b44 | 6944 | if (! peer_group_active(peer) |
718e3744 | 6945 | || g_peer->pmax[afi][safi] != peer->pmax[afi][safi] |
e0701b79 | 6946 | || g_peer->pmax_threshold[afi][safi] != peer->pmax_threshold[afi][safi] |
718e3744 | 6947 | || CHECK_FLAG (g_peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING) |
6948 | != CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) | |
e0701b79 | 6949 | { |
400b1fad | 6950 | afi_header_vty_out (vty, afi, safi, write, |
85e11c23 | 6951 | " neighbor %s maximum-prefix %lu", |
400b1fad | 6952 | addr, peer->pmax[afi][safi]); |
0a486e5f | 6953 | if (peer->pmax_threshold[afi][safi] != MAXIMUM_PREFIX_THRESHOLD_DEFAULT) |
6954 | vty_out (vty, " %d", peer->pmax_threshold[afi][safi]); | |
6955 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) | |
6956 | vty_out (vty, " warning-only"); | |
6957 | if (peer->pmax_restart[afi][safi]) | |
6958 | vty_out (vty, " restart %d", peer->pmax_restart[afi][safi]); | |
6959 | vty_out (vty, "%s", VTY_NEWLINE); | |
e0701b79 | 6960 | } |
718e3744 | 6961 | |
6962 | /* Route server client. */ | |
88b8ed8d | 6963 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_RSERVER_CLIENT)) |
400b1fad DW |
6964 | { |
6965 | afi_header_vty_out (vty, afi, safi, write, | |
6966 | " neighbor %s route-server-client%s", | |
6967 | addr, VTY_NEWLINE); | |
6968 | } | |
718e3744 | 6969 | |
3cf1288b | 6970 | /* Nexthop-local unchanged. */ |
88b8ed8d | 6971 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED)) |
400b1fad DW |
6972 | { |
6973 | afi_header_vty_out (vty, afi, safi, write, | |
6974 | " neighbor %s nexthop-local unchanged%s", | |
6975 | addr, VTY_NEWLINE); | |
6976 | } | |
3cf1288b | 6977 | |
718e3744 | 6978 | /* Allow AS in. */ |
6979 | if (peer_af_flag_check (peer, afi, safi, PEER_FLAG_ALLOWAS_IN)) | |
6980 | if (! peer_group_active (peer) | |
6981 | || ! peer_af_flag_check (g_peer, afi, safi, PEER_FLAG_ALLOWAS_IN) | |
6982 | || peer->allowas_in[afi][safi] != g_peer->allowas_in[afi][safi]) | |
6983 | { | |
6984 | if (peer->allowas_in[afi][safi] == 3) | |
400b1fad DW |
6985 | { |
6986 | afi_header_vty_out (vty, afi, safi, write, | |
6987 | " neighbor %s allowas-in%s", | |
6988 | addr, VTY_NEWLINE); | |
6989 | } | |
6990 | else | |
6991 | { | |
6992 | afi_header_vty_out (vty, afi, safi, write, | |
6993 | " neighbor %s allowas-in %d%s", | |
6994 | addr, peer->allowas_in[afi][safi], VTY_NEWLINE); | |
6995 | } | |
718e3744 | 6996 | } |
6997 | ||
6998 | /* Filter. */ | |
400b1fad | 6999 | bgp_config_write_filter (vty, peer, afi, safi, write); |
718e3744 | 7000 | |
7001 | /* atribute-unchanged. */ | |
88b8ed8d | 7002 | if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_AS_PATH_UNCHANGED) |
718e3744 | 7003 | || CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_NEXTHOP_UNCHANGED) |
7004 | || CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MED_UNCHANGED)) | |
718e3744 | 7005 | { |
88b8ed8d DW |
7006 | if (peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_AS_PATH_UNCHANGED) |
7007 | && peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_NEXTHOP_UNCHANGED) | |
7008 | && peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_MED_UNCHANGED)) | |
400b1fad DW |
7009 | { |
7010 | afi_header_vty_out (vty, afi, safi, write, | |
7011 | " neighbor %s attribute-unchanged%s", | |
7012 | addr, VTY_NEWLINE); | |
7013 | } | |
718e3744 | 7014 | else |
400b1fad DW |
7015 | { |
7016 | afi_header_vty_out (vty, afi, safi, write, | |
7017 | " neighbor %s attribute-unchanged%s%s%s%s", addr, | |
7018 | peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_AS_PATH_UNCHANGED) ? | |
7019 | " as-path" : "", | |
7020 | peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_NEXTHOP_UNCHANGED) ? | |
7021 | " next-hop" : "", | |
7022 | peergroup_af_flag_check (peer, afi, safi, PEER_FLAG_MED_UNCHANGED) ? | |
7023 | " med" : "", VTY_NEWLINE); | |
7024 | } | |
718e3744 | 7025 | } |
7026 | } | |
7027 | ||
7028 | /* Display "address-family" configuration header. */ | |
7029 | void | |
7030 | bgp_config_write_family_header (struct vty *vty, afi_t afi, safi_t safi, | |
7031 | int *write) | |
7032 | { | |
7033 | if (*write) | |
7034 | return; | |
7035 | ||
3914b418 | 7036 | vty_out (vty, " !%s address-family ", VTY_NEWLINE); |
718e3744 | 7037 | |
7038 | if (afi == AFI_IP) | |
7039 | { | |
0b960b4d DW |
7040 | if (safi == SAFI_UNICAST) |
7041 | vty_out (vty, "ipv4 unicast"); | |
7042 | else if (safi == SAFI_MULTICAST) | |
718e3744 | 7043 | vty_out (vty, "ipv4 multicast"); |
7044 | else if (safi == SAFI_MPLS_VPN) | |
8b1fb8be LB |
7045 | vty_out (vty, "vpnv4"); |
7046 | else if (safi == SAFI_ENCAP) | |
7047 | vty_out (vty, "encap"); | |
718e3744 | 7048 | } |
7049 | else if (afi == AFI_IP6) | |
37a217a5 | 7050 | { |
0b960b4d DW |
7051 | if (safi == SAFI_UNICAST) |
7052 | vty_out (vty, "ipv6 unicast"); | |
7053 | else if (safi == SAFI_MULTICAST) | |
7054 | vty_out (vty, "ipv6 multicast"); | |
8ecd3266 | 7055 | else if (safi == SAFI_MPLS_VPN) |
7056 | vty_out (vty, "vpnv6"); | |
8b1fb8be LB |
7057 | else if (safi == SAFI_ENCAP) |
7058 | vty_out (vty, "encapv6"); | |
37a217a5 | 7059 | } |
718e3744 | 7060 | |
7061 | vty_out (vty, "%s", VTY_NEWLINE); | |
7062 | ||
7063 | *write = 1; | |
7064 | } | |
7065 | ||
7066 | /* Address family based peer configuration display. */ | |
94f2b392 | 7067 | static int |
718e3744 | 7068 | bgp_config_write_family (struct vty *vty, struct bgp *bgp, afi_t afi, |
7069 | safi_t safi) | |
7070 | { | |
7071 | int write = 0; | |
7072 | struct peer *peer; | |
7073 | struct peer_group *group; | |
1eb8ef25 | 7074 | struct listnode *node, *nnode; |
718e3744 | 7075 | |
7076 | bgp_config_write_network (vty, bgp, afi, safi, &write); | |
7077 | ||
7078 | bgp_config_write_redistribute (vty, bgp, afi, safi, &write); | |
7079 | ||
1eb8ef25 | 7080 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
400b1fad DW |
7081 | bgp_config_write_peer_af (vty, bgp, group->conf, afi, safi, &write); |
7082 | ||
1eb8ef25 | 7083 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 7084 | { |
f14e6fdb DS |
7085 | /* Skip dynamic neighbors. */ |
7086 | if (peer_dynamic_neighbor (peer)) | |
7087 | continue; | |
7088 | ||
400b1fad DW |
7089 | /* Do not display doppelganger peers */ |
7090 | if (CHECK_FLAG (peer->flags, PEER_FLAG_CONFIG_NODE)) | |
7091 | bgp_config_write_peer_af (vty, bgp, peer, afi, safi, &write); | |
718e3744 | 7092 | } |
165b5fff JB |
7093 | |
7094 | bgp_config_write_maxpaths (vty, bgp, afi, safi, &write); | |
73ac8160 | 7095 | bgp_config_write_table_map (vty, bgp, afi, safi, &write); |
165b5fff | 7096 | |
718e3744 | 7097 | if (write) |
7098 | vty_out (vty, " exit-address-family%s", VTY_NEWLINE); | |
7099 | ||
7100 | return write; | |
7101 | } | |
7102 | ||
7103 | int | |
7104 | bgp_config_write (struct vty *vty) | |
7105 | { | |
7106 | int write = 0; | |
7107 | struct bgp *bgp; | |
7108 | struct peer_group *group; | |
7109 | struct peer *peer; | |
1eb8ef25 | 7110 | struct listnode *node, *nnode; |
7111 | struct listnode *mnode, *mnnode; | |
718e3744 | 7112 | |
7113 | /* BGP Multiple instance. */ | |
b8fd6a15 | 7114 | if (!bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) |
718e3744 | 7115 | { |
b8fd6a15 | 7116 | vty_out (vty, "no bgp multiple-instance%s", VTY_NEWLINE); |
718e3744 | 7117 | write++; |
7118 | } | |
7119 | ||
7120 | /* BGP Config type. */ | |
7121 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
7122 | { | |
7123 | vty_out (vty, "bgp config-type cisco%s", VTY_NEWLINE); | |
7124 | write++; | |
7125 | } | |
7126 | ||
5fe9f963 | 7127 | if (bm->rmap_update_timer != RMAP_DEFAULT_UPDATE_TIMER) |
7128 | vty_out (vty, "bgp route-map delay-timer %d%s", bm->rmap_update_timer, | |
7129 | VTY_NEWLINE); | |
7130 | ||
718e3744 | 7131 | /* BGP configuration. */ |
1eb8ef25 | 7132 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
718e3744 | 7133 | { |
7134 | if (write) | |
7135 | vty_out (vty, "!%s", VTY_NEWLINE); | |
7136 | ||
7137 | /* Router bgp ASN */ | |
aea339f7 | 7138 | vty_out (vty, "router bgp %u", bgp->as); |
718e3744 | 7139 | |
7140 | if (bgp_option_check (BGP_OPT_MULTIPLE_INSTANCE)) | |
7141 | { | |
7142 | if (bgp->name) | |
ad4cbda1 | 7143 | vty_out (vty, " %s %s", |
7144 | (bgp->inst_type == BGP_INSTANCE_TYPE_VIEW) ? | |
7145 | "view" : "vrf", bgp->name); | |
718e3744 | 7146 | } |
7147 | vty_out (vty, "%s", VTY_NEWLINE); | |
7148 | ||
7149 | /* No Synchronization */ | |
7150 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
7151 | vty_out (vty, " no synchronization%s", VTY_NEWLINE); | |
7152 | ||
7153 | /* BGP fast-external-failover. */ | |
7154 | if (CHECK_FLAG (bgp->flags, BGP_FLAG_NO_FAST_EXT_FAILOVER)) | |
7155 | vty_out (vty, " no bgp fast-external-failover%s", VTY_NEWLINE); | |
7156 | ||
7157 | /* BGP router ID. */ | |
c2d58d6d | 7158 | if (bgp->router_id_static.s_addr != 0) |
7159 | vty_out (vty, " bgp router-id %s%s", | |
7160 | inet_ntoa (bgp->router_id_static), VTY_NEWLINE); | |
718e3744 | 7161 | |
848973c7 | 7162 | /* BGP log-neighbor-changes. */ |
6793fbe0 DW |
7163 | if (!bgp_flag_check (bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES)) |
7164 | vty_out (vty, " no bgp log-neighbor-changes%s", VTY_NEWLINE); | |
848973c7 | 7165 | |
718e3744 | 7166 | /* BGP configuration. */ |
7167 | if (bgp_flag_check (bgp, BGP_FLAG_ALWAYS_COMPARE_MED)) | |
7168 | vty_out (vty, " bgp always-compare-med%s", VTY_NEWLINE); | |
7169 | ||
7170 | /* BGP default ipv4-unicast. */ | |
7171 | if (bgp_flag_check (bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
7172 | vty_out (vty, " no bgp default ipv4-unicast%s", VTY_NEWLINE); | |
7173 | ||
7174 | /* BGP default local-preference. */ | |
7175 | if (bgp->default_local_pref != BGP_DEFAULT_LOCAL_PREF) | |
7176 | vty_out (vty, " bgp default local-preference %d%s", | |
7177 | bgp->default_local_pref, VTY_NEWLINE); | |
7178 | ||
04b6bdc0 | 7179 | /* BGP default show-hostname */ |
15f3b5c0 DW |
7180 | if (!bgp_flag_check(bgp, BGP_FLAG_SHOW_HOSTNAME)) |
7181 | vty_out (vty, " no bgp default show-hostname%s", VTY_NEWLINE); | |
04b6bdc0 | 7182 | |
3f9c7369 DS |
7183 | /* BGP default subgroup-pkt-queue-max. */ |
7184 | if (bgp->default_subgroup_pkt_queue_max != BGP_DEFAULT_SUBGROUP_PKT_QUEUE_MAX) | |
7185 | vty_out (vty, " bgp default subgroup-pkt-queue-max %d%s", | |
7186 | bgp->default_subgroup_pkt_queue_max, VTY_NEWLINE); | |
7187 | ||
718e3744 | 7188 | /* BGP client-to-client reflection. */ |
7189 | if (bgp_flag_check (bgp, BGP_FLAG_NO_CLIENT_TO_CLIENT)) | |
7190 | vty_out (vty, " no bgp client-to-client reflection%s", VTY_NEWLINE); | |
7191 | ||
7192 | /* BGP cluster ID. */ | |
7193 | if (CHECK_FLAG (bgp->config, BGP_CONFIG_CLUSTER_ID)) | |
7194 | vty_out (vty, " bgp cluster-id %s%s", inet_ntoa (bgp->cluster_id), | |
7195 | VTY_NEWLINE); | |
7196 | ||
907f92c8 DS |
7197 | /* Disable ebgp connected nexthop check */ |
7198 | if (bgp_flag_check (bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK)) | |
7199 | vty_out (vty, " bgp disable-ebgp-connected-route-check%s", VTY_NEWLINE); | |
7200 | ||
e0701b79 | 7201 | /* Confederation identifier*/ |
718e3744 | 7202 | if (CHECK_FLAG (bgp->config, BGP_CONFIG_CONFEDERATION)) |
e0701b79 | 7203 | vty_out (vty, " bgp confederation identifier %i%s", bgp->confed_id, |
7204 | VTY_NEWLINE); | |
7205 | ||
7206 | /* Confederation peer */ | |
7207 | if (bgp->confed_peers_cnt > 0) | |
718e3744 | 7208 | { |
e0701b79 | 7209 | int i; |
718e3744 | 7210 | |
e0701b79 | 7211 | vty_out (vty, " bgp confederation peers"); |
718e3744 | 7212 | |
e0701b79 | 7213 | for (i = 0; i < bgp->confed_peers_cnt; i++) |
aea339f7 | 7214 | vty_out(vty, " %u", bgp->confed_peers[i]); |
718e3744 | 7215 | |
e0701b79 | 7216 | vty_out (vty, "%s", VTY_NEWLINE); |
718e3744 | 7217 | } |
7218 | ||
7219 | /* BGP enforce-first-as. */ | |
7220 | if (bgp_flag_check (bgp, BGP_FLAG_ENFORCE_FIRST_AS)) | |
7221 | vty_out (vty, " bgp enforce-first-as%s", VTY_NEWLINE); | |
7222 | ||
7223 | /* BGP deterministic-med. */ | |
1475ac87 DW |
7224 | if (!bgp_flag_check (bgp, BGP_FLAG_DETERMINISTIC_MED)) |
7225 | vty_out (vty, " no bgp deterministic-med%s", VTY_NEWLINE); | |
538621f2 | 7226 | |
f188f2c4 DS |
7227 | /* BGP update-delay. */ |
7228 | bgp_config_write_update_delay (vty, bgp); | |
7229 | ||
abc920f8 DS |
7230 | if (bgp->v_maxmed_onstartup != BGP_MAXMED_ONSTARTUP_UNCONFIGURED) |
7231 | { | |
7232 | vty_out (vty, " bgp max-med on-startup %d", bgp->v_maxmed_onstartup); | |
7233 | if (bgp->maxmed_onstartup_value != BGP_MAXMED_VALUE_DEFAULT) | |
7234 | vty_out (vty, " %d", bgp->maxmed_onstartup_value); | |
7235 | vty_out (vty, "%s", VTY_NEWLINE); | |
7236 | } | |
7237 | if (bgp->v_maxmed_admin != BGP_MAXMED_ADMIN_UNCONFIGURED) | |
7238 | { | |
7239 | vty_out (vty, " bgp max-med administrative"); | |
7240 | if (bgp->maxmed_admin_value != BGP_MAXMED_VALUE_DEFAULT) | |
7241 | vty_out (vty, " %d", bgp->maxmed_admin_value); | |
7242 | vty_out (vty, "%s", VTY_NEWLINE); | |
7243 | } | |
7244 | ||
cb1faec9 DS |
7245 | /* write quanta */ |
7246 | bgp_config_write_wpkt_quanta (vty, bgp); | |
7247 | ||
3f9c7369 DS |
7248 | /* coalesce time */ |
7249 | bgp_config_write_coalesce_time(vty, bgp); | |
7250 | ||
538621f2 | 7251 | /* BGP graceful-restart. */ |
93406d87 | 7252 | if (bgp->stalepath_time != BGP_DEFAULT_STALEPATH_TIME) |
7253 | vty_out (vty, " bgp graceful-restart stalepath-time %d%s", | |
7254 | bgp->stalepath_time, VTY_NEWLINE); | |
eb6f1b41 PG |
7255 | if (bgp->restart_time != BGP_DEFAULT_RESTART_TIME) |
7256 | vty_out (vty, " bgp graceful-restart restart-time %d%s", | |
7257 | bgp->restart_time, VTY_NEWLINE); | |
538621f2 | 7258 | if (bgp_flag_check (bgp, BGP_FLAG_GRACEFUL_RESTART)) |
7259 | vty_out (vty, " bgp graceful-restart%s", VTY_NEWLINE); | |
7260 | ||
718e3744 | 7261 | /* BGP bestpath method. */ |
7262 | if (bgp_flag_check (bgp, BGP_FLAG_ASPATH_IGNORE)) | |
7263 | vty_out (vty, " bgp bestpath as-path ignore%s", VTY_NEWLINE); | |
6811845b | 7264 | if (bgp_flag_check (bgp, BGP_FLAG_ASPATH_CONFED)) |
7265 | vty_out (vty, " bgp bestpath as-path confed%s", VTY_NEWLINE); | |
16fc1eec | 7266 | |
219178b6 DW |
7267 | if (bgp_flag_check (bgp, BGP_FLAG_ASPATH_MULTIPATH_RELAX)) |
7268 | { | |
7269 | if (bgp_flag_check (bgp, BGP_FLAG_MULTIPATH_RELAX_AS_SET)) | |
7270 | { | |
7271 | vty_out (vty, " bgp bestpath as-path multipath-relax as-set%s", VTY_NEWLINE); | |
7272 | } | |
7dc9d4e4 DW |
7273 | else |
7274 | { | |
7275 | vty_out (vty, " bgp bestpath as-path multipath-relax%s", VTY_NEWLINE); | |
7276 | } | |
16fc1eec | 7277 | } |
16fc1eec | 7278 | |
8bd9d948 DS |
7279 | if (bgp_flag_check (bgp, BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY)) { |
7280 | vty_out (vty, " bgp route-reflector allow-outbound-policy%s", | |
7281 | VTY_NEWLINE); | |
7282 | } | |
718e3744 | 7283 | if (bgp_flag_check (bgp, BGP_FLAG_COMPARE_ROUTER_ID)) |
7284 | vty_out (vty, " bgp bestpath compare-routerid%s", VTY_NEWLINE); | |
7285 | if (bgp_flag_check (bgp, BGP_FLAG_MED_CONFED) | |
7286 | || bgp_flag_check (bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
7287 | { | |
7288 | vty_out (vty, " bgp bestpath med"); | |
7289 | if (bgp_flag_check (bgp, BGP_FLAG_MED_CONFED)) | |
7290 | vty_out (vty, " confed"); | |
7291 | if (bgp_flag_check (bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
7292 | vty_out (vty, " missing-as-worst"); | |
7293 | vty_out (vty, "%s", VTY_NEWLINE); | |
7294 | } | |
7295 | ||
7296 | /* BGP network import check. */ | |
5623e905 DW |
7297 | if (!bgp_flag_check (bgp, BGP_FLAG_IMPORT_CHECK)) |
7298 | vty_out (vty, " no bgp network import-check%s", VTY_NEWLINE); | |
718e3744 | 7299 | |
718e3744 | 7300 | /* BGP flag dampening. */ |
7301 | if (CHECK_FLAG (bgp->af_flags[AFI_IP][SAFI_UNICAST], | |
7302 | BGP_CONFIG_DAMPENING)) | |
7303 | bgp_config_write_damp (vty); | |
7304 | ||
718e3744 | 7305 | /* BGP timers configuration. */ |
7306 | if (bgp->default_keepalive != BGP_DEFAULT_KEEPALIVE | |
7307 | && bgp->default_holdtime != BGP_DEFAULT_HOLDTIME) | |
7308 | vty_out (vty, " timers bgp %d %d%s", bgp->default_keepalive, | |
7309 | bgp->default_holdtime, VTY_NEWLINE); | |
7310 | ||
7311 | /* peer-group */ | |
1eb8ef25 | 7312 | for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group)) |
718e3744 | 7313 | { |
0b960b4d | 7314 | bgp_config_write_peer_global (vty, bgp, group->conf); |
718e3744 | 7315 | } |
7316 | ||
7317 | /* Normal neighbor configuration. */ | |
1eb8ef25 | 7318 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
718e3744 | 7319 | { |
1ff9a340 | 7320 | if (CHECK_FLAG (peer->flags, PEER_FLAG_CONFIG_NODE)) |
0b960b4d | 7321 | bgp_config_write_peer_global (vty, bgp, peer); |
718e3744 | 7322 | } |
7323 | ||
7324 | /* Distance configuration. */ | |
7325 | bgp_config_write_distance (vty, bgp); | |
7326 | ||
f14e6fdb DS |
7327 | /* listen range and limit for dynamic BGP neighbors */ |
7328 | bgp_config_write_listen (vty, bgp); | |
7329 | ||
718e3744 | 7330 | /* No auto-summary */ |
7331 | if (bgp_option_check (BGP_OPT_CONFIG_CISCO)) | |
7332 | vty_out (vty, " no auto-summary%s", VTY_NEWLINE); | |
7333 | ||
0b960b4d DW |
7334 | /* IPv4 unicast configuration. */ |
7335 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_UNICAST); | |
7336 | ||
718e3744 | 7337 | /* IPv4 multicast configuration. */ |
7338 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_MULTICAST); | |
7339 | ||
7340 | /* IPv4 VPN configuration. */ | |
7341 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_MPLS_VPN); | |
7342 | ||
8b1fb8be LB |
7343 | /* ENCAPv4 configuration. */ |
7344 | write += bgp_config_write_family (vty, bgp, AFI_IP, SAFI_ENCAP); | |
7345 | ||
718e3744 | 7346 | /* IPv6 unicast configuration. */ |
7347 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_UNICAST); | |
7348 | ||
37a217a5 PJ |
7349 | /* IPv6 multicast configuration. */ |
7350 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_MULTICAST); | |
7351 | ||
8ecd3266 | 7352 | /* IPv6 VPN configuration. */ |
7353 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_MPLS_VPN); | |
7354 | ||
8b1fb8be LB |
7355 | /* ENCAPv6 configuration. */ |
7356 | write += bgp_config_write_family (vty, bgp, AFI_IP6, SAFI_ENCAP); | |
7357 | ||
65efcfce LB |
7358 | #if ENABLE_BGP_VNC |
7359 | write += bgp_rfapi_cfg_write(vty, bgp); | |
7360 | #endif | |
7361 | ||
7362 | vty_out (vty, " exit%s", VTY_NEWLINE); | |
7363 | ||
718e3744 | 7364 | write++; |
7365 | } | |
7366 | return write; | |
7367 | } | |
7368 | ||
7369 | void | |
94f2b392 | 7370 | bgp_master_init (void) |
718e3744 | 7371 | { |
7372 | memset (&bgp_master, 0, sizeof (struct bgp_master)); | |
7373 | ||
7374 | bm = &bgp_master; | |
7375 | bm->bgp = list_new (); | |
0df7c91f | 7376 | bm->listen_sockets = list_new (); |
718e3744 | 7377 | bm->port = BGP_PORT_DEFAULT; |
87d4a781 | 7378 | bm->master = thread_master_create (); |
65957886 | 7379 | bm->start_time = bgp_clock (); |
5fe9f963 | 7380 | bm->t_rmap_update = NULL; |
7381 | bm->rmap_update_timer = RMAP_DEFAULT_UPDATE_TIMER; | |
495f0b13 DS |
7382 | |
7383 | bgp_process_queue_init(); | |
b8fd6a15 | 7384 | |
7385 | /* Enable multiple instances by default. */ | |
7386 | bgp_option_set (BGP_OPT_MULTIPLE_INSTANCE); | |
718e3744 | 7387 | } |
200df115 | 7388 | |
b33adb7c | 7389 | /* |
7390 | * Initialize interface list for instance, if needed. Invoked upon | |
7391 | * instance create. | |
7392 | */ | |
7393 | static void | |
7394 | bgp_if_init (struct bgp *bgp) | |
7395 | { | |
7396 | if (bgp->inst_type == BGP_INSTANCE_TYPE_VIEW) | |
7397 | return; | |
7398 | ||
7399 | vrf_iflist_create (bgp->vrf_id); | |
7400 | } | |
7401 | ||
ad4cbda1 | 7402 | /* |
009b18fc | 7403 | * Free up connected routes and interfaces for a BGP instance. Invoked upon |
7404 | * instance delete (non-default only) or BGP exit. | |
ad4cbda1 | 7405 | */ |
b33adb7c | 7406 | static void |
009b18fc | 7407 | bgp_if_finish (struct bgp *bgp) |
ad4cbda1 | 7408 | { |
009b18fc | 7409 | struct listnode *ifnode, *ifnnode; |
7410 | struct interface *ifp; | |
ad4cbda1 | 7411 | |
009b18fc | 7412 | if (bgp->inst_type == BGP_INSTANCE_TYPE_VIEW) |
7413 | return; | |
ad4cbda1 | 7414 | |
009b18fc | 7415 | for (ALL_LIST_ELEMENTS (vrf_iflist(bgp->vrf_id), ifnode, ifnnode, ifp)) |
7416 | { | |
7417 | struct listnode *c_node, *c_nnode; | |
7418 | struct connected *c; | |
ad4cbda1 | 7419 | |
009b18fc | 7420 | for (ALL_LIST_ELEMENTS (ifp->connected, c_node, c_nnode, c)) |
7421 | bgp_connected_delete (bgp, c); | |
ad4cbda1 | 7422 | } |
7423 | } | |
6b0655a2 | 7424 | |
718e3744 | 7425 | void |
94f2b392 | 7426 | bgp_init (void) |
718e3744 | 7427 | { |
fc9a856f DS |
7428 | |
7429 | /* allocates some vital data structures used by peer commands in vty_init */ | |
718e3744 | 7430 | |
718e3744 | 7431 | /* Init zebra. */ |
9229d914 | 7432 | bgp_zebra_init(bm->master); |
718e3744 | 7433 | |
65efcfce LB |
7434 | #if ENABLE_BGP_VNC |
7435 | vnc_zebra_init (bm->master); | |
7436 | #endif | |
7437 | ||
fc9a856f DS |
7438 | /* BGP VTY commands installation. */ |
7439 | bgp_vty_init (); | |
7440 | ||
718e3744 | 7441 | /* BGP inits. */ |
7442 | bgp_attr_init (); | |
7443 | bgp_debug_init (); | |
7444 | bgp_dump_init (); | |
7445 | bgp_route_init (); | |
7446 | bgp_route_map_init (); | |
fc9a856f | 7447 | bgp_scan_vty_init(); |
718e3744 | 7448 | bgp_mplsvpn_init (); |
587ff0fd | 7449 | bgp_encap_init (); |
65efcfce LB |
7450 | #if ENABLE_BGP_VNC |
7451 | rfapi_init (); | |
7452 | #endif | |
718e3744 | 7453 | |
7454 | /* Access list initialize. */ | |
7455 | access_list_init (); | |
7456 | access_list_add_hook (peer_distribute_update); | |
7457 | access_list_delete_hook (peer_distribute_update); | |
7458 | ||
7459 | /* Filter list initialize. */ | |
7460 | bgp_filter_init (); | |
518f0eb1 DS |
7461 | as_list_add_hook (peer_aslist_add); |
7462 | as_list_delete_hook (peer_aslist_del); | |
718e3744 | 7463 | |
7464 | /* Prefix list initialize.*/ | |
7465 | prefix_list_init (); | |
7466 | prefix_list_add_hook (peer_prefix_list_update); | |
7467 | prefix_list_delete_hook (peer_prefix_list_update); | |
7468 | ||
7469 | /* Community list initialize. */ | |
7470 | bgp_clist = community_list_init (); | |
7471 | ||
7472 | #ifdef HAVE_SNMP | |
7473 | bgp_snmp_init (); | |
7474 | #endif /* HAVE_SNMP */ | |
c43ed2e4 DS |
7475 | |
7476 | /* BFD init */ | |
7477 | bgp_bfd_init(); | |
718e3744 | 7478 | } |
545acafb | 7479 | |
7480 | void | |
66e5cd87 | 7481 | bgp_terminate (void) |
545acafb | 7482 | { |
545acafb | 7483 | struct bgp *bgp; |
7484 | struct peer *peer; | |
1eb8ef25 | 7485 | struct listnode *node, *nnode; |
7486 | struct listnode *mnode, *mnnode; | |
545acafb | 7487 | |
1ff9a340 DS |
7488 | /* Close the listener sockets first as this prevents peers from attempting |
7489 | * to reconnect on receiving the peer unconfig message. In the presence | |
7490 | * of a large number of peers this will ensure that no peer is left with | |
7491 | * a dangling connection | |
7492 | */ | |
7493 | /* reverse bgp_master_init */ | |
7494 | bgp_close(); | |
7495 | if (bm->listen_sockets) | |
7496 | list_free(bm->listen_sockets); | |
7497 | bm->listen_sockets = NULL; | |
7498 | ||
1eb8ef25 | 7499 | for (ALL_LIST_ELEMENTS (bm->bgp, mnode, mnnode, bgp)) |
7500 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) | |
1ff9a340 DS |
7501 | if (peer->status == Established || |
7502 | peer->status == OpenSent || | |
7503 | peer->status == OpenConfirm) | |
545acafb | 7504 | bgp_notify_send (peer, BGP_NOTIFY_CEASE, |
7505 | BGP_NOTIFY_CEASE_PEER_UNCONFIG); | |
1ff9a340 | 7506 | |
545acafb | 7507 | bgp_cleanup_routes (); |
acde4b86 | 7508 | |
e210cf9f | 7509 | if (bm->process_main_queue) |
acde4b86 SH |
7510 | { |
7511 | work_queue_free (bm->process_main_queue); | |
7512 | bm->process_main_queue = NULL; | |
7513 | } | |
5fe9f963 | 7514 | |
7515 | if (bm->t_rmap_update) | |
7516 | BGP_TIMER_OFF(bm->t_rmap_update); | |
545acafb | 7517 | } |