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718e3744 | 1 | /* BGP-4, BGP-4+ daemon program |
896014f4 DL |
2 | * Copyright (C) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
718e3744 | 20 | |
21 | #include <zebra.h> | |
22 | ||
23 | #include "prefix.h" | |
24 | #include "thread.h" | |
25 | #include "buffer.h" | |
26 | #include "stream.h" | |
74ffbfe6 | 27 | #include "ringbuf.h" |
718e3744 | 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" | |
718e3744 | 35 | #include "log.h" |
36 | #include "plist.h" | |
37 | #include "linklist.h" | |
200df115 | 38 | #include "workqueue.h" |
3f9c7369 | 39 | #include "queue.h" |
88177fe3 | 40 | #include "zclient.h" |
7f342629 | 41 | #include "bfd.h" |
dd793e4a DW |
42 | #include "hash.h" |
43 | #include "jhash.h" | |
587ff0fd | 44 | #include "table.h" |
4dcadbef | 45 | #include "lib/json.h" |
0ca8b79f | 46 | #include "frr_pthread.h" |
718e3744 | 47 | |
48 | #include "bgpd/bgpd.h" | |
49 | #include "bgpd/bgp_table.h" | |
50 | #include "bgpd/bgp_aspath.h" | |
51 | #include "bgpd/bgp_route.h" | |
52 | #include "bgpd/bgp_dump.h" | |
53 | #include "bgpd/bgp_debug.h" | |
54 | #include "bgpd/bgp_community.h" | |
55 | #include "bgpd/bgp_attr.h" | |
56 | #include "bgpd/bgp_regex.h" | |
57 | #include "bgpd/bgp_clist.h" | |
58 | #include "bgpd/bgp_fsm.h" | |
59 | #include "bgpd/bgp_packet.h" | |
60 | #include "bgpd/bgp_zebra.h" | |
61 | #include "bgpd/bgp_open.h" | |
62 | #include "bgpd/bgp_filter.h" | |
63 | #include "bgpd/bgp_nexthop.h" | |
64 | #include "bgpd/bgp_damp.h" | |
65 | #include "bgpd/bgp_mplsvpn.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 |
7ef5a232 | 70 | #include "bgpd/bgp_evpn.h" |
718e3744 | 71 | #include "bgpd/bgp_advertise.h" |
72 | #include "bgpd/bgp_network.h" | |
73 | #include "bgpd/bgp_vty.h" | |
165b5fff | 74 | #include "bgpd/bgp_mpath.h" |
fc9a856f | 75 | #include "bgpd/bgp_nht.h" |
3f9c7369 | 76 | #include "bgpd/bgp_updgrp.h" |
c43ed2e4 | 77 | #include "bgpd/bgp_bfd.h" |
4a1ab8e4 | 78 | #include "bgpd/bgp_memory.h" |
784d3a42 | 79 | #include "bgpd/bgp_evpn_vty.h" |
2d4ee774 | 80 | #include "bgpd/bgp_keepalives.h" |
56257a44 | 81 | #include "bgpd/bgp_io.h" |
41d6d607 | 82 | #include "bgpd/bgp_ecommunity.h" |
73d70fa6 DL |
83 | |
84 | DEFINE_MTYPE_STATIC(BGPD, PEER_TX_SHUTDOWN_MSG, "Peer shutdown message (TX)"); | |
19df7279 DL |
85 | DEFINE_QOBJ_TYPE(bgp_master) |
86 | DEFINE_QOBJ_TYPE(bgp) | |
87 | DEFINE_QOBJ_TYPE(peer) | |
88 | ||
718e3744 | 89 | /* BGP process wide configuration. */ |
90 | static struct bgp_master bgp_master; | |
91 | ||
92 | /* BGP process wide configuration pointer to export. */ | |
93 | struct bgp_master *bm; | |
94 | ||
95 | /* BGP community-list. */ | |
96 | struct community_list_handler *bgp_clist; | |
6b0655a2 | 97 | |
37fe7731 DS |
98 | unsigned int multipath_num = MULTIPATH_NUM; |
99 | ||
d62a17ae | 100 | static void bgp_if_finish(struct bgp *bgp); |
b33adb7c | 101 | |
ad4cbda1 | 102 | extern struct zclient *zclient; |
1ff9a340 | 103 | |
d62a17ae | 104 | void bgp_session_reset(struct peer *peer) |
1ff9a340 | 105 | { |
d62a17ae | 106 | if (peer->doppelganger && (peer->doppelganger->status != Deleted) |
107 | && !(CHECK_FLAG(peer->doppelganger->flags, PEER_FLAG_CONFIG_NODE))) | |
108 | peer_delete(peer->doppelganger); | |
1ff9a340 | 109 | |
d62a17ae | 110 | BGP_EVENT_ADD(peer, BGP_Stop); |
1ff9a340 DS |
111 | } |
112 | ||
113 | /* | |
114 | * During session reset, we may delete the doppelganger peer, which would | |
115 | * be the next node to the current node. If the session reset was invoked | |
116 | * during walk of peer list, we would end up accessing the freed next | |
117 | * node. This function moves the next node along. | |
118 | */ | |
d62a17ae | 119 | static void bgp_session_reset_safe(struct peer *peer, struct listnode **nnode) |
1ff9a340 | 120 | { |
d62a17ae | 121 | struct listnode *n; |
122 | struct peer *npeer; | |
1ff9a340 | 123 | |
d62a17ae | 124 | n = (nnode) ? *nnode : NULL; |
125 | npeer = (n) ? listgetdata(n) : NULL; | |
1ff9a340 | 126 | |
d62a17ae | 127 | if (peer->doppelganger && (peer->doppelganger->status != Deleted) |
128 | && !(CHECK_FLAG(peer->doppelganger->flags, | |
129 | PEER_FLAG_CONFIG_NODE))) { | |
130 | if (peer->doppelganger == npeer) | |
131 | /* nnode and *nnode are confirmed to be non-NULL here */ | |
132 | *nnode = (*nnode)->next; | |
133 | peer_delete(peer->doppelganger); | |
134 | } | |
1ff9a340 | 135 | |
d62a17ae | 136 | BGP_EVENT_ADD(peer, BGP_Stop); |
1ff9a340 DS |
137 | } |
138 | ||
718e3744 | 139 | /* BGP global flag manipulation. */ |
d62a17ae | 140 | int bgp_option_set(int flag) |
141 | { | |
142 | switch (flag) { | |
143 | case BGP_OPT_NO_FIB: | |
144 | case BGP_OPT_MULTIPLE_INSTANCE: | |
145 | case BGP_OPT_CONFIG_CISCO: | |
146 | case BGP_OPT_NO_LISTEN: | |
147 | SET_FLAG(bm->options, flag); | |
148 | break; | |
149 | default: | |
150 | return BGP_ERR_INVALID_FLAG; | |
151 | } | |
152 | return 0; | |
153 | } | |
154 | ||
155 | int bgp_option_unset(int flag) | |
156 | { | |
157 | switch (flag) { | |
158 | case BGP_OPT_MULTIPLE_INSTANCE: | |
159 | if (listcount(bm->bgp) > 1) | |
160 | return BGP_ERR_MULTIPLE_INSTANCE_USED; | |
161 | /* Fall through. */ | |
162 | case BGP_OPT_NO_FIB: | |
163 | case BGP_OPT_CONFIG_CISCO: | |
164 | UNSET_FLAG(bm->options, flag); | |
165 | break; | |
166 | default: | |
167 | return BGP_ERR_INVALID_FLAG; | |
168 | } | |
169 | return 0; | |
170 | } | |
171 | ||
172 | int bgp_option_check(int flag) | |
173 | { | |
174 | return CHECK_FLAG(bm->options, flag); | |
718e3744 | 175 | } |
6b0655a2 | 176 | |
718e3744 | 177 | /* BGP flag manipulation. */ |
d62a17ae | 178 | int bgp_flag_set(struct bgp *bgp, int flag) |
718e3744 | 179 | { |
d62a17ae | 180 | SET_FLAG(bgp->flags, flag); |
181 | return 0; | |
718e3744 | 182 | } |
183 | ||
d62a17ae | 184 | int bgp_flag_unset(struct bgp *bgp, int flag) |
718e3744 | 185 | { |
d62a17ae | 186 | UNSET_FLAG(bgp->flags, flag); |
187 | return 0; | |
718e3744 | 188 | } |
189 | ||
d62a17ae | 190 | int bgp_flag_check(struct bgp *bgp, int flag) |
718e3744 | 191 | { |
d62a17ae | 192 | return CHECK_FLAG(bgp->flags, flag); |
718e3744 | 193 | } |
6b0655a2 | 194 | |
718e3744 | 195 | /* Internal function to set BGP structure configureation flag. */ |
d62a17ae | 196 | static void bgp_config_set(struct bgp *bgp, int config) |
718e3744 | 197 | { |
d62a17ae | 198 | SET_FLAG(bgp->config, config); |
718e3744 | 199 | } |
200 | ||
d62a17ae | 201 | static void bgp_config_unset(struct bgp *bgp, int config) |
718e3744 | 202 | { |
d62a17ae | 203 | UNSET_FLAG(bgp->config, config); |
718e3744 | 204 | } |
205 | ||
d62a17ae | 206 | static int bgp_config_check(struct bgp *bgp, int config) |
718e3744 | 207 | { |
d62a17ae | 208 | return CHECK_FLAG(bgp->config, config); |
718e3744 | 209 | } |
6b0655a2 | 210 | |
718e3744 | 211 | /* Set BGP router identifier. */ |
d62a17ae | 212 | static int bgp_router_id_set(struct bgp *bgp, const struct in_addr *id) |
718e3744 | 213 | { |
d62a17ae | 214 | struct peer *peer; |
215 | struct listnode *node, *nnode; | |
718e3744 | 216 | |
d62a17ae | 217 | if (IPV4_ADDR_SAME(&bgp->router_id, id)) |
218 | return 0; | |
718e3744 | 219 | |
d62a17ae | 220 | /* EVPN uses router id in RD, withdraw them */ |
94c2f693 | 221 | if (is_evpn_enabled()) |
d62a17ae | 222 | bgp_evpn_handle_router_id_update(bgp, TRUE); |
2d48ee25 | 223 | |
d62a17ae | 224 | IPV4_ADDR_COPY(&bgp->router_id, id); |
718e3744 | 225 | |
d62a17ae | 226 | /* Set all peer's local identifier with this value. */ |
227 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { | |
228 | IPV4_ADDR_COPY(&peer->local_id, id); | |
718e3744 | 229 | |
d62a17ae | 230 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { |
231 | peer->last_reset = PEER_DOWN_RID_CHANGE; | |
232 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
233 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
234 | } | |
235 | } | |
14c1a7bf | 236 | |
d62a17ae | 237 | /* EVPN uses router id in RD, update them */ |
94c2f693 | 238 | if (is_evpn_enabled()) |
d62a17ae | 239 | bgp_evpn_handle_router_id_update(bgp, FALSE); |
2d48ee25 | 240 | |
d62a17ae | 241 | return 0; |
718e3744 | 242 | } |
243 | ||
d62a17ae | 244 | void bgp_router_id_zebra_bump(vrf_id_t vrf_id, const struct prefix *router_id) |
0e6cb743 | 245 | { |
d62a17ae | 246 | struct listnode *node, *nnode; |
247 | struct bgp *bgp; | |
0e6cb743 | 248 | |
d62a17ae | 249 | if (vrf_id == VRF_DEFAULT) { |
250 | /* Router-id change for default VRF has to also update all | |
251 | * views. */ | |
252 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) { | |
253 | if (bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
254 | continue; | |
0e6cb743 | 255 | |
d62a17ae | 256 | bgp->router_id_zebra = router_id->u.prefix4; |
257 | if (!bgp->router_id_static.s_addr) | |
258 | bgp_router_id_set(bgp, &router_id->u.prefix4); | |
259 | } | |
260 | } else { | |
261 | bgp = bgp_lookup_by_vrf_id(vrf_id); | |
262 | if (bgp) { | |
263 | bgp->router_id_zebra = router_id->u.prefix4; | |
0e6cb743 | 264 | |
d62a17ae | 265 | if (!bgp->router_id_static.s_addr) |
266 | bgp_router_id_set(bgp, &router_id->u.prefix4); | |
267 | } | |
268 | } | |
0e6cb743 DL |
269 | } |
270 | ||
d62a17ae | 271 | int bgp_router_id_static_set(struct bgp *bgp, struct in_addr id) |
0e6cb743 | 272 | { |
d62a17ae | 273 | bgp->router_id_static = id; |
274 | bgp_router_id_set(bgp, id.s_addr ? &id : &bgp->router_id_zebra); | |
275 | return 0; | |
0e6cb743 DL |
276 | } |
277 | ||
718e3744 | 278 | /* BGP's cluster-id control. */ |
d62a17ae | 279 | int bgp_cluster_id_set(struct bgp *bgp, struct in_addr *cluster_id) |
718e3744 | 280 | { |
d62a17ae | 281 | struct peer *peer; |
282 | struct listnode *node, *nnode; | |
718e3744 | 283 | |
d62a17ae | 284 | if (bgp_config_check(bgp, BGP_CONFIG_CLUSTER_ID) |
285 | && IPV4_ADDR_SAME(&bgp->cluster_id, cluster_id)) | |
286 | return 0; | |
718e3744 | 287 | |
d62a17ae | 288 | IPV4_ADDR_COPY(&bgp->cluster_id, cluster_id); |
289 | bgp_config_set(bgp, BGP_CONFIG_CLUSTER_ID); | |
718e3744 | 290 | |
d62a17ae | 291 | /* Clear all IBGP peer. */ |
292 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { | |
293 | if (peer->sort != BGP_PEER_IBGP) | |
294 | continue; | |
718e3744 | 295 | |
d62a17ae | 296 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { |
297 | peer->last_reset = PEER_DOWN_CLID_CHANGE; | |
298 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
299 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
300 | } | |
301 | } | |
302 | return 0; | |
718e3744 | 303 | } |
304 | ||
d62a17ae | 305 | int bgp_cluster_id_unset(struct bgp *bgp) |
718e3744 | 306 | { |
d62a17ae | 307 | struct peer *peer; |
308 | struct listnode *node, *nnode; | |
718e3744 | 309 | |
d62a17ae | 310 | if (!bgp_config_check(bgp, BGP_CONFIG_CLUSTER_ID)) |
311 | return 0; | |
718e3744 | 312 | |
d62a17ae | 313 | bgp->cluster_id.s_addr = 0; |
314 | bgp_config_unset(bgp, BGP_CONFIG_CLUSTER_ID); | |
718e3744 | 315 | |
d62a17ae | 316 | /* Clear all IBGP peer. */ |
317 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { | |
318 | if (peer->sort != BGP_PEER_IBGP) | |
319 | continue; | |
718e3744 | 320 | |
d62a17ae | 321 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { |
322 | peer->last_reset = PEER_DOWN_CLID_CHANGE; | |
323 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
324 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
325 | } | |
326 | } | |
327 | return 0; | |
718e3744 | 328 | } |
6b0655a2 | 329 | |
65957886 SH |
330 | /* time_t value that is monotonicly increasing |
331 | * and uneffected by adjustments to system clock | |
332 | */ | |
d62a17ae | 333 | time_t bgp_clock(void) |
65957886 | 334 | { |
d62a17ae | 335 | struct timeval tv; |
65957886 | 336 | |
d62a17ae | 337 | monotime(&tv); |
338 | return tv.tv_sec; | |
65957886 SH |
339 | } |
340 | ||
718e3744 | 341 | /* BGP timer configuration. */ |
d62a17ae | 342 | int bgp_timers_set(struct bgp *bgp, u_int32_t keepalive, u_int32_t holdtime) |
718e3744 | 343 | { |
d62a17ae | 344 | bgp->default_keepalive = |
345 | (keepalive < holdtime / 3 ? keepalive : holdtime / 3); | |
346 | bgp->default_holdtime = holdtime; | |
718e3744 | 347 | |
d62a17ae | 348 | return 0; |
718e3744 | 349 | } |
350 | ||
d62a17ae | 351 | int bgp_timers_unset(struct bgp *bgp) |
718e3744 | 352 | { |
d62a17ae | 353 | bgp->default_keepalive = BGP_DEFAULT_KEEPALIVE; |
354 | bgp->default_holdtime = BGP_DEFAULT_HOLDTIME; | |
718e3744 | 355 | |
d62a17ae | 356 | return 0; |
718e3744 | 357 | } |
6b0655a2 | 358 | |
718e3744 | 359 | /* BGP confederation configuration. */ |
d62a17ae | 360 | int bgp_confederation_id_set(struct bgp *bgp, as_t as) |
361 | { | |
362 | struct peer *peer; | |
363 | struct listnode *node, *nnode; | |
364 | int already_confed; | |
365 | ||
366 | if (as == 0) | |
367 | return BGP_ERR_INVALID_AS; | |
368 | ||
369 | /* Remember - were we doing confederation before? */ | |
370 | already_confed = bgp_config_check(bgp, BGP_CONFIG_CONFEDERATION); | |
371 | bgp->confed_id = as; | |
372 | bgp_config_set(bgp, BGP_CONFIG_CONFEDERATION); | |
373 | ||
374 | /* If we were doing confederation already, this is just an external | |
375 | AS change. Just Reset EBGP sessions, not CONFED sessions. If we | |
376 | were not doing confederation before, reset all EBGP sessions. */ | |
377 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { | |
378 | /* We're looking for peers who's AS is not local or part of our | |
379 | confederation. */ | |
380 | if (already_confed) { | |
381 | if (peer_sort(peer) == BGP_PEER_EBGP) { | |
382 | peer->local_as = as; | |
383 | if (BGP_IS_VALID_STATE_FOR_NOTIF( | |
384 | peer->status)) { | |
385 | peer->last_reset = | |
386 | PEER_DOWN_CONFED_ID_CHANGE; | |
387 | bgp_notify_send( | |
388 | peer, BGP_NOTIFY_CEASE, | |
389 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
390 | } else | |
391 | bgp_session_reset_safe(peer, &nnode); | |
392 | } | |
393 | } else { | |
394 | /* Not doign confederation before, so reset every | |
395 | non-local | |
396 | session */ | |
397 | if (peer_sort(peer) != BGP_PEER_IBGP) { | |
398 | /* Reset the local_as to be our EBGP one */ | |
399 | if (peer_sort(peer) == BGP_PEER_EBGP) | |
400 | peer->local_as = as; | |
401 | if (BGP_IS_VALID_STATE_FOR_NOTIF( | |
402 | peer->status)) { | |
403 | peer->last_reset = | |
404 | PEER_DOWN_CONFED_ID_CHANGE; | |
405 | bgp_notify_send( | |
406 | peer, BGP_NOTIFY_CEASE, | |
407 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
408 | } else | |
409 | bgp_session_reset_safe(peer, &nnode); | |
410 | } | |
411 | } | |
718e3744 | 412 | } |
d62a17ae | 413 | return 0; |
718e3744 | 414 | } |
415 | ||
d62a17ae | 416 | int bgp_confederation_id_unset(struct bgp *bgp) |
718e3744 | 417 | { |
d62a17ae | 418 | struct peer *peer; |
419 | struct listnode *node, *nnode; | |
420 | ||
421 | bgp->confed_id = 0; | |
422 | bgp_config_unset(bgp, BGP_CONFIG_CONFEDERATION); | |
718e3744 | 423 | |
d62a17ae | 424 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { |
425 | /* We're looking for peers who's AS is not local */ | |
426 | if (peer_sort(peer) != BGP_PEER_IBGP) { | |
427 | peer->local_as = bgp->as; | |
428 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
429 | peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; | |
430 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
431 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
432 | } | |
718e3744 | 433 | |
d62a17ae | 434 | else |
435 | bgp_session_reset_safe(peer, &nnode); | |
436 | } | |
437 | } | |
438 | return 0; | |
718e3744 | 439 | } |
440 | ||
d62a17ae | 441 | /* Is an AS part of the confed or not? */ |
442 | int bgp_confederation_peers_check(struct bgp *bgp, as_t as) | |
718e3744 | 443 | { |
d62a17ae | 444 | int i; |
718e3744 | 445 | |
d62a17ae | 446 | if (!bgp) |
447 | return 0; | |
718e3744 | 448 | |
d62a17ae | 449 | for (i = 0; i < bgp->confed_peers_cnt; i++) |
450 | if (bgp->confed_peers[i] == as) | |
451 | return 1; | |
718e3744 | 452 | |
d62a17ae | 453 | return 0; |
454 | } | |
718e3744 | 455 | |
d62a17ae | 456 | /* Add an AS to the confederation set. */ |
457 | int bgp_confederation_peers_add(struct bgp *bgp, as_t as) | |
458 | { | |
459 | struct peer *peer; | |
460 | struct listnode *node, *nnode; | |
461 | ||
462 | if (!bgp) | |
463 | return BGP_ERR_INVALID_BGP; | |
464 | ||
465 | if (bgp->as == as) | |
466 | return BGP_ERR_INVALID_AS; | |
467 | ||
468 | if (bgp_confederation_peers_check(bgp, as)) | |
469 | return -1; | |
470 | ||
471 | if (bgp->confed_peers) | |
472 | bgp->confed_peers = | |
473 | XREALLOC(MTYPE_BGP_CONFED_LIST, bgp->confed_peers, | |
474 | (bgp->confed_peers_cnt + 1) * sizeof(as_t)); | |
475 | else | |
476 | bgp->confed_peers = | |
477 | XMALLOC(MTYPE_BGP_CONFED_LIST, | |
478 | (bgp->confed_peers_cnt + 1) * sizeof(as_t)); | |
479 | ||
480 | bgp->confed_peers[bgp->confed_peers_cnt] = as; | |
481 | bgp->confed_peers_cnt++; | |
482 | ||
483 | if (bgp_config_check(bgp, BGP_CONFIG_CONFEDERATION)) { | |
484 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { | |
485 | if (peer->as == as) { | |
486 | peer->local_as = bgp->as; | |
487 | if (BGP_IS_VALID_STATE_FOR_NOTIF( | |
488 | peer->status)) { | |
489 | peer->last_reset = | |
490 | PEER_DOWN_CONFED_PEER_CHANGE; | |
491 | bgp_notify_send( | |
492 | peer, BGP_NOTIFY_CEASE, | |
493 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
494 | } else | |
495 | bgp_session_reset_safe(peer, &nnode); | |
496 | } | |
497 | } | |
498 | } | |
499 | return 0; | |
718e3744 | 500 | } |
501 | ||
502 | /* Delete an AS from the confederation set. */ | |
d62a17ae | 503 | int bgp_confederation_peers_remove(struct bgp *bgp, as_t as) |
504 | { | |
505 | int i; | |
506 | int j; | |
507 | struct peer *peer; | |
508 | struct listnode *node, *nnode; | |
509 | ||
510 | if (!bgp) | |
511 | return -1; | |
512 | ||
513 | if (!bgp_confederation_peers_check(bgp, as)) | |
514 | return -1; | |
515 | ||
516 | for (i = 0; i < bgp->confed_peers_cnt; i++) | |
517 | if (bgp->confed_peers[i] == as) | |
518 | for (j = i + 1; j < bgp->confed_peers_cnt; j++) | |
519 | bgp->confed_peers[j - 1] = bgp->confed_peers[j]; | |
520 | ||
521 | bgp->confed_peers_cnt--; | |
522 | ||
523 | if (bgp->confed_peers_cnt == 0) { | |
524 | if (bgp->confed_peers) | |
525 | XFREE(MTYPE_BGP_CONFED_LIST, bgp->confed_peers); | |
526 | bgp->confed_peers = NULL; | |
527 | } else | |
528 | bgp->confed_peers = | |
529 | XREALLOC(MTYPE_BGP_CONFED_LIST, bgp->confed_peers, | |
530 | bgp->confed_peers_cnt * sizeof(as_t)); | |
531 | ||
532 | /* Now reset any peer who's remote AS has just been removed from the | |
533 | CONFED */ | |
534 | if (bgp_config_check(bgp, BGP_CONFIG_CONFEDERATION)) { | |
535 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { | |
536 | if (peer->as == as) { | |
537 | peer->local_as = bgp->confed_id; | |
538 | if (BGP_IS_VALID_STATE_FOR_NOTIF( | |
539 | peer->status)) { | |
540 | peer->last_reset = | |
541 | PEER_DOWN_CONFED_PEER_CHANGE; | |
542 | bgp_notify_send( | |
543 | peer, BGP_NOTIFY_CEASE, | |
544 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
545 | } else | |
546 | bgp_session_reset_safe(peer, &nnode); | |
547 | } | |
548 | } | |
718e3744 | 549 | } |
718e3744 | 550 | |
d62a17ae | 551 | return 0; |
718e3744 | 552 | } |
6b0655a2 | 553 | |
718e3744 | 554 | /* Local preference configuration. */ |
d62a17ae | 555 | int bgp_default_local_preference_set(struct bgp *bgp, u_int32_t local_pref) |
718e3744 | 556 | { |
d62a17ae | 557 | if (!bgp) |
558 | return -1; | |
718e3744 | 559 | |
d62a17ae | 560 | bgp->default_local_pref = local_pref; |
718e3744 | 561 | |
d62a17ae | 562 | return 0; |
718e3744 | 563 | } |
564 | ||
d62a17ae | 565 | int bgp_default_local_preference_unset(struct bgp *bgp) |
718e3744 | 566 | { |
d62a17ae | 567 | if (!bgp) |
568 | return -1; | |
718e3744 | 569 | |
d62a17ae | 570 | bgp->default_local_pref = BGP_DEFAULT_LOCAL_PREF; |
718e3744 | 571 | |
d62a17ae | 572 | return 0; |
718e3744 | 573 | } |
6b0655a2 | 574 | |
3f9c7369 | 575 | /* Local preference configuration. */ |
d62a17ae | 576 | int bgp_default_subgroup_pkt_queue_max_set(struct bgp *bgp, |
577 | u_int32_t queue_size) | |
3f9c7369 | 578 | { |
d62a17ae | 579 | if (!bgp) |
580 | return -1; | |
3f9c7369 | 581 | |
d62a17ae | 582 | bgp->default_subgroup_pkt_queue_max = queue_size; |
3f9c7369 | 583 | |
d62a17ae | 584 | return 0; |
3f9c7369 DS |
585 | } |
586 | ||
d62a17ae | 587 | int bgp_default_subgroup_pkt_queue_max_unset(struct bgp *bgp) |
3f9c7369 | 588 | { |
d62a17ae | 589 | if (!bgp) |
590 | return -1; | |
591 | bgp->default_subgroup_pkt_queue_max = | |
592 | BGP_DEFAULT_SUBGROUP_PKT_QUEUE_MAX; | |
3f9c7369 | 593 | |
d62a17ae | 594 | return 0; |
3f9c7369 DS |
595 | } |
596 | ||
f14e6fdb | 597 | /* Listen limit configuration. */ |
d62a17ae | 598 | int bgp_listen_limit_set(struct bgp *bgp, int listen_limit) |
f14e6fdb | 599 | { |
d62a17ae | 600 | if (!bgp) |
601 | return -1; | |
f14e6fdb | 602 | |
d62a17ae | 603 | bgp->dynamic_neighbors_limit = listen_limit; |
f14e6fdb | 604 | |
d62a17ae | 605 | return 0; |
f14e6fdb DS |
606 | } |
607 | ||
d62a17ae | 608 | int bgp_listen_limit_unset(struct bgp *bgp) |
f14e6fdb | 609 | { |
d62a17ae | 610 | if (!bgp) |
611 | return -1; | |
f14e6fdb | 612 | |
d62a17ae | 613 | bgp->dynamic_neighbors_limit = BGP_DYNAMIC_NEIGHBORS_LIMIT_DEFAULT; |
f14e6fdb | 614 | |
d62a17ae | 615 | return 0; |
f14e6fdb DS |
616 | } |
617 | ||
5c525538 RW |
618 | int bgp_map_afi_safi_iana2int(iana_afi_t pkt_afi, iana_safi_t pkt_safi, |
619 | afi_t *afi, safi_t *safi) | |
9cabb64b | 620 | { |
d62a17ae | 621 | /* Map from IANA values to internal values, return error if |
622 | * values are unrecognized. | |
623 | */ | |
624 | *afi = afi_iana2int(pkt_afi); | |
625 | *safi = safi_iana2int(pkt_safi); | |
626 | if (*afi == AFI_MAX || *safi == SAFI_MAX) | |
627 | return -1; | |
9cabb64b | 628 | |
d62a17ae | 629 | return 0; |
9cabb64b | 630 | } |
631 | ||
d62a17ae | 632 | int bgp_map_afi_safi_int2iana(afi_t afi, safi_t safi, iana_afi_t *pkt_afi, |
5c525538 | 633 | iana_safi_t *pkt_safi) |
9cabb64b | 634 | { |
d62a17ae | 635 | /* Map from internal values to IANA values, return error if |
636 | * internal values are bad (unexpected). | |
637 | */ | |
638 | if (afi == AFI_MAX || safi == SAFI_MAX) | |
639 | return -1; | |
640 | *pkt_afi = afi_int2iana(afi); | |
641 | *pkt_safi = safi_int2iana(safi); | |
642 | return 0; | |
9cabb64b | 643 | } |
644 | ||
d62a17ae | 645 | struct peer_af *peer_af_create(struct peer *peer, afi_t afi, safi_t safi) |
3f9c7369 | 646 | { |
d62a17ae | 647 | struct peer_af *af; |
648 | int afid; | |
3f9c7369 | 649 | |
d62a17ae | 650 | if (!peer) |
651 | return NULL; | |
3f9c7369 | 652 | |
d62a17ae | 653 | afid = afindex(afi, safi); |
654 | if (afid >= BGP_AF_MAX) | |
655 | return NULL; | |
3f9c7369 | 656 | |
d62a17ae | 657 | assert(peer->peer_af_array[afid] == NULL); |
3f9c7369 | 658 | |
d62a17ae | 659 | /* Allocate new peer af */ |
660 | af = XCALLOC(MTYPE_BGP_PEER_AF, sizeof(struct peer_af)); | |
c8560b44 | 661 | |
d62a17ae | 662 | if (af == NULL) { |
663 | zlog_err("Could not create af structure for peer %s", | |
664 | peer->host); | |
665 | return NULL; | |
666 | } | |
c8560b44 | 667 | |
d62a17ae | 668 | peer->peer_af_array[afid] = af; |
669 | af->afi = afi; | |
670 | af->safi = safi; | |
671 | af->afid = afid; | |
672 | af->peer = peer; | |
3f9c7369 | 673 | |
d62a17ae | 674 | return af; |
3f9c7369 DS |
675 | } |
676 | ||
d62a17ae | 677 | struct peer_af *peer_af_find(struct peer *peer, afi_t afi, safi_t safi) |
3f9c7369 | 678 | { |
d62a17ae | 679 | int afid; |
3f9c7369 | 680 | |
d62a17ae | 681 | if (!peer) |
682 | return NULL; | |
3f9c7369 | 683 | |
d62a17ae | 684 | afid = afindex(afi, safi); |
685 | if (afid >= BGP_AF_MAX) | |
686 | return NULL; | |
3f9c7369 | 687 | |
d62a17ae | 688 | return peer->peer_af_array[afid]; |
3f9c7369 DS |
689 | } |
690 | ||
d62a17ae | 691 | int peer_af_delete(struct peer *peer, afi_t afi, safi_t safi) |
3f9c7369 | 692 | { |
d62a17ae | 693 | struct peer_af *af; |
694 | int afid; | |
3f9c7369 | 695 | |
d62a17ae | 696 | if (!peer) |
697 | return -1; | |
3f9c7369 | 698 | |
d62a17ae | 699 | afid = afindex(afi, safi); |
700 | if (afid >= BGP_AF_MAX) | |
701 | return -1; | |
3f9c7369 | 702 | |
d62a17ae | 703 | af = peer->peer_af_array[afid]; |
704 | if (!af) | |
705 | return -1; | |
3f9c7369 | 706 | |
d62a17ae | 707 | bgp_stop_announce_route_timer(af); |
3f9c7369 | 708 | |
d62a17ae | 709 | if (PAF_SUBGRP(af)) { |
710 | if (BGP_DEBUG(update_groups, UPDATE_GROUPS)) | |
711 | zlog_debug("u%" PRIu64 ":s%" PRIu64 " remove peer %s", | |
712 | af->subgroup->update_group->id, | |
713 | af->subgroup->id, peer->host); | |
714 | } | |
3f9c7369 | 715 | |
d62a17ae | 716 | update_subgroup_remove_peer(af->subgroup, af); |
3f9c7369 | 717 | |
d62a17ae | 718 | peer->peer_af_array[afid] = NULL; |
719 | XFREE(MTYPE_BGP_PEER_AF, af); | |
720 | return 0; | |
3f9c7369 DS |
721 | } |
722 | ||
eb821189 | 723 | /* Peer comparison function for sorting. */ |
d62a17ae | 724 | int peer_cmp(struct peer *p1, struct peer *p2) |
718e3744 | 725 | { |
d62a17ae | 726 | if (p1->group && !p2->group) |
727 | return -1; | |
0aaa34db | 728 | |
d62a17ae | 729 | if (!p1->group && p2->group) |
730 | return 1; | |
0aaa34db | 731 | |
d62a17ae | 732 | if (p1->group == p2->group) { |
733 | if (p1->conf_if && !p2->conf_if) | |
734 | return -1; | |
0aaa34db | 735 | |
d62a17ae | 736 | if (!p1->conf_if && p2->conf_if) |
737 | return 1; | |
0aaa34db | 738 | |
d62a17ae | 739 | if (p1->conf_if && p2->conf_if) |
740 | return if_cmp_name_func(p1->conf_if, p2->conf_if); | |
741 | } else | |
742 | return strcmp(p1->group->name, p2->group->name); | |
0aaa34db | 743 | |
d62a17ae | 744 | return sockunion_cmp(&p1->su, &p2->su); |
718e3744 | 745 | } |
746 | ||
d62a17ae | 747 | static unsigned int peer_hash_key_make(void *p) |
dd793e4a | 748 | { |
d62a17ae | 749 | struct peer *peer = p; |
750 | return sockunion_hash(&peer->su); | |
dd793e4a DW |
751 | } |
752 | ||
40520c36 | 753 | static int peer_hash_same(const void *p1, const void *p2) |
dd793e4a | 754 | { |
d62a17ae | 755 | const struct peer *peer1 = p1; |
756 | const struct peer *peer2 = p2; | |
757 | return (sockunion_same(&peer1->su, &peer2->su) | |
758 | && CHECK_FLAG(peer1->flags, PEER_FLAG_CONFIG_NODE) | |
759 | == CHECK_FLAG(peer2->flags, PEER_FLAG_CONFIG_NODE)); | |
dd793e4a DW |
760 | } |
761 | ||
d62a17ae | 762 | int peer_af_flag_check(struct peer *peer, afi_t afi, safi_t safi, |
763 | u_int32_t flag) | |
718e3744 | 764 | { |
d62a17ae | 765 | return CHECK_FLAG(peer->af_flags[afi][safi], flag); |
718e3744 | 766 | } |
767 | ||
88b8ed8d | 768 | /* Return true if flag is set for the peer but not the peer-group */ |
d62a17ae | 769 | static int peergroup_af_flag_check(struct peer *peer, afi_t afi, safi_t safi, |
770 | u_int32_t flag) | |
88b8ed8d | 771 | { |
d62a17ae | 772 | struct peer *g_peer = NULL; |
88b8ed8d | 773 | |
d62a17ae | 774 | if (peer_af_flag_check(peer, afi, safi, flag)) { |
775 | if (peer_group_active(peer)) { | |
776 | g_peer = peer->group->conf; | |
88b8ed8d | 777 | |
d62a17ae | 778 | /* If this flag is not set for the peer's peer-group |
779 | * then return true */ | |
780 | if (!peer_af_flag_check(g_peer, afi, safi, flag)) { | |
781 | return 1; | |
782 | } | |
783 | } | |
88b8ed8d | 784 | |
d62a17ae | 785 | /* peer is not in a peer-group but the flag is set to return |
786 | true */ | |
787 | else { | |
788 | return 1; | |
789 | } | |
790 | } | |
88b8ed8d | 791 | |
d62a17ae | 792 | return 0; |
88b8ed8d DW |
793 | } |
794 | ||
718e3744 | 795 | /* Reset all address family specific configuration. */ |
d62a17ae | 796 | static void peer_af_flag_reset(struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 797 | { |
d62a17ae | 798 | int i; |
799 | struct bgp_filter *filter; | |
800 | char orf_name[BUFSIZ]; | |
718e3744 | 801 | |
d62a17ae | 802 | filter = &peer->filter[afi][safi]; |
718e3744 | 803 | |
d62a17ae | 804 | /* Clear neighbor filter and route-map */ |
805 | for (i = FILTER_IN; i < FILTER_MAX; i++) { | |
806 | if (filter->dlist[i].name) { | |
807 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[i].name); | |
808 | filter->dlist[i].name = NULL; | |
809 | } | |
810 | if (filter->plist[i].name) { | |
811 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[i].name); | |
812 | filter->plist[i].name = NULL; | |
813 | } | |
814 | if (filter->aslist[i].name) { | |
815 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[i].name); | |
816 | filter->aslist[i].name = NULL; | |
817 | } | |
718e3744 | 818 | } |
d62a17ae | 819 | for (i = RMAP_IN; i < RMAP_MAX; i++) { |
820 | if (filter->map[i].name) { | |
821 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[i].name); | |
822 | filter->map[i].name = NULL; | |
823 | } | |
718e3744 | 824 | } |
718e3744 | 825 | |
d62a17ae | 826 | /* Clear unsuppress map. */ |
827 | if (filter->usmap.name) | |
828 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); | |
829 | filter->usmap.name = NULL; | |
830 | filter->usmap.map = NULL; | |
718e3744 | 831 | |
d62a17ae | 832 | /* Clear neighbor's all address family flags. */ |
833 | peer->af_flags[afi][safi] = 0; | |
718e3744 | 834 | |
d62a17ae | 835 | /* Clear neighbor's all address family sflags. */ |
836 | peer->af_sflags[afi][safi] = 0; | |
718e3744 | 837 | |
d62a17ae | 838 | /* Clear neighbor's all address family capabilities. */ |
839 | peer->af_cap[afi][safi] = 0; | |
718e3744 | 840 | |
d62a17ae | 841 | /* Clear ORF info */ |
842 | peer->orf_plist[afi][safi] = NULL; | |
843 | sprintf(orf_name, "%s.%d.%d", peer->host, afi, safi); | |
844 | prefix_bgp_orf_remove_all(afi, orf_name); | |
845 | ||
846 | /* Set default neighbor send-community. */ | |
847 | if (!bgp_option_check(BGP_OPT_CONFIG_CISCO)) { | |
848 | SET_FLAG(peer->af_flags[afi][safi], PEER_FLAG_SEND_COMMUNITY); | |
849 | SET_FLAG(peer->af_flags[afi][safi], | |
850 | PEER_FLAG_SEND_EXT_COMMUNITY); | |
851 | SET_FLAG(peer->af_flags[afi][safi], | |
852 | PEER_FLAG_SEND_LARGE_COMMUNITY); | |
853 | } | |
718e3744 | 854 | |
d62a17ae | 855 | /* Clear neighbor default_originate_rmap */ |
856 | if (peer->default_rmap[afi][safi].name) | |
857 | XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name); | |
858 | peer->default_rmap[afi][safi].name = NULL; | |
859 | peer->default_rmap[afi][safi].map = NULL; | |
718e3744 | 860 | |
d62a17ae | 861 | /* Clear neighbor maximum-prefix */ |
862 | peer->pmax[afi][safi] = 0; | |
863 | peer->pmax_threshold[afi][safi] = MAXIMUM_PREFIX_THRESHOLD_DEFAULT; | |
718e3744 | 864 | } |
865 | ||
866 | /* peer global config reset */ | |
d62a17ae | 867 | static void peer_global_config_reset(struct peer *peer) |
718e3744 | 868 | { |
89898ced | 869 | int saved_flags = 0; |
8ffedcea | 870 | |
d62a17ae | 871 | peer->change_local_as = 0; |
872 | peer->ttl = (peer_sort(peer) == BGP_PEER_IBGP ? MAXTTL : 1); | |
873 | if (peer->update_source) { | |
874 | sockunion_free(peer->update_source); | |
875 | peer->update_source = NULL; | |
876 | } | |
877 | if (peer->update_if) { | |
878 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
879 | peer->update_if = NULL; | |
880 | } | |
718e3744 | 881 | |
d62a17ae | 882 | if (peer_sort(peer) == BGP_PEER_IBGP) |
883 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
884 | else | |
885 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
718e3744 | 886 | |
89898ced QY |
887 | /* These are per-peer specific flags and so we must preserve them */ |
888 | saved_flags |= CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY); | |
889 | saved_flags |= CHECK_FLAG(peer->flags, PEER_FLAG_SHUTDOWN); | |
d62a17ae | 890 | peer->flags = 0; |
89898ced | 891 | SET_FLAG(peer->flags, saved_flags); |
8ffedcea | 892 | |
d62a17ae | 893 | peer->config = 0; |
894 | peer->holdtime = 0; | |
895 | peer->keepalive = 0; | |
896 | peer->connect = 0; | |
897 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
821a359a | 898 | |
d62a17ae | 899 | /* Reset some other configs back to defaults. */ |
900 | peer->v_start = BGP_INIT_START_TIMER; | |
901 | peer->password = NULL; | |
902 | peer->local_id = peer->bgp->router_id; | |
903 | peer->v_holdtime = peer->bgp->default_holdtime; | |
904 | peer->v_keepalive = peer->bgp->default_keepalive; | |
821a359a | 905 | |
d62a17ae | 906 | bfd_info_free(&(peer->bfd_info)); |
7f342629 | 907 | |
d62a17ae | 908 | /* Set back the CONFIG_NODE flag. */ |
909 | SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE); | |
718e3744 | 910 | } |
911 | ||
6d85b15b | 912 | /* Check peer's AS number and determines if this peer is IBGP or EBGP */ |
82417ac2 | 913 | static inline bgp_peer_sort_t peer_calc_sort(struct peer *peer) |
718e3744 | 914 | { |
d62a17ae | 915 | struct bgp *bgp; |
718e3744 | 916 | |
d62a17ae | 917 | bgp = peer->bgp; |
718e3744 | 918 | |
d62a17ae | 919 | /* Peer-group */ |
920 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
921 | if (peer->as_type == AS_INTERNAL) | |
922 | return BGP_PEER_IBGP; | |
66b199b2 | 923 | |
d62a17ae | 924 | else if (peer->as_type == AS_EXTERNAL) |
925 | return BGP_PEER_EBGP; | |
66b199b2 | 926 | |
d62a17ae | 927 | else if (peer->as_type == AS_SPECIFIED && peer->as) |
928 | return (bgp->as == peer->as ? BGP_PEER_IBGP | |
929 | : BGP_PEER_EBGP); | |
66b199b2 | 930 | |
d62a17ae | 931 | else { |
932 | struct peer *peer1; | |
933 | peer1 = listnode_head(peer->group->peer); | |
934 | ||
935 | if (peer1) | |
936 | return peer1->sort; | |
937 | } | |
938 | return BGP_PEER_INTERNAL; | |
939 | } | |
940 | ||
941 | /* Normal peer */ | |
942 | if (bgp && CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) { | |
943 | if (peer->local_as == 0) | |
944 | return BGP_PEER_INTERNAL; | |
945 | ||
946 | if (peer->local_as == peer->as) { | |
947 | if (bgp->as == bgp->confed_id) { | |
948 | if (peer->local_as == bgp->as) | |
949 | return BGP_PEER_IBGP; | |
950 | else | |
951 | return BGP_PEER_EBGP; | |
952 | } else { | |
953 | if (peer->local_as == bgp->confed_id) | |
954 | return BGP_PEER_EBGP; | |
955 | else | |
956 | return BGP_PEER_IBGP; | |
957 | } | |
958 | } | |
959 | ||
960 | if (bgp_confederation_peers_check(bgp, peer->as)) | |
961 | return BGP_PEER_CONFED; | |
962 | ||
963 | return BGP_PEER_EBGP; | |
964 | } else { | |
965 | if (peer->as_type != AS_SPECIFIED) | |
966 | return (peer->as_type == AS_INTERNAL ? BGP_PEER_IBGP | |
967 | : BGP_PEER_EBGP); | |
968 | ||
969 | return (peer->local_as == 0 | |
970 | ? BGP_PEER_INTERNAL | |
971 | : peer->local_as == peer->as ? BGP_PEER_IBGP | |
972 | : BGP_PEER_EBGP); | |
973 | } | |
718e3744 | 974 | } |
975 | ||
6d85b15b | 976 | /* Calculate and cache the peer "sort" */ |
d62a17ae | 977 | bgp_peer_sort_t peer_sort(struct peer *peer) |
978 | { | |
979 | peer->sort = peer_calc_sort(peer); | |
980 | return peer->sort; | |
981 | } | |
982 | ||
983 | static void peer_free(struct peer *peer) | |
984 | { | |
985 | assert(peer->status == Deleted); | |
986 | ||
987 | QOBJ_UNREG(peer); | |
988 | ||
989 | /* this /ought/ to have been done already through bgp_stop earlier, | |
990 | * but just to be sure.. | |
991 | */ | |
992 | bgp_timer_set(peer); | |
424ab01d QY |
993 | bgp_reads_off(peer); |
994 | bgp_writes_off(peer); | |
995 | assert(!peer->t_write); | |
996 | assert(!peer->t_read); | |
d62a17ae | 997 | BGP_EVENT_FLUSH(peer); |
998 | ||
424ab01d QY |
999 | pthread_mutex_destroy(&peer->io_mtx); |
1000 | ||
d62a17ae | 1001 | /* Free connected nexthop, if present */ |
1002 | if (CHECK_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE) | |
1003 | && !peer_dynamic_neighbor(peer)) | |
1004 | bgp_delete_connected_nexthop(family2afi(peer->su.sa.sa_family), | |
1005 | peer); | |
1006 | ||
1007 | XFREE(MTYPE_PEER_TX_SHUTDOWN_MSG, peer->tx_shutdown_message); | |
1008 | ||
1009 | if (peer->desc) { | |
1010 | XFREE(MTYPE_PEER_DESC, peer->desc); | |
1011 | peer->desc = NULL; | |
1012 | } | |
1013 | ||
1014 | /* Free allocated host character. */ | |
1015 | if (peer->host) { | |
1016 | XFREE(MTYPE_BGP_PEER_HOST, peer->host); | |
1017 | peer->host = NULL; | |
1018 | } | |
1019 | ||
1020 | if (peer->domainname) { | |
1021 | XFREE(MTYPE_BGP_PEER_HOST, peer->domainname); | |
1022 | peer->domainname = NULL; | |
1023 | } | |
1024 | ||
1025 | if (peer->ifname) { | |
1026 | XFREE(MTYPE_BGP_PEER_IFNAME, peer->ifname); | |
1027 | peer->ifname = NULL; | |
1028 | } | |
1029 | ||
1030 | /* Update source configuration. */ | |
1031 | if (peer->update_source) { | |
1032 | sockunion_free(peer->update_source); | |
1033 | peer->update_source = NULL; | |
1034 | } | |
1035 | ||
1036 | if (peer->update_if) { | |
1037 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
1038 | peer->update_if = NULL; | |
1039 | } | |
1040 | ||
1041 | if (peer->notify.data) | |
1042 | XFREE(MTYPE_TMP, peer->notify.data); | |
1043 | memset(&peer->notify, 0, sizeof(struct bgp_notify)); | |
1044 | ||
1045 | if (peer->clear_node_queue) { | |
1046 | work_queue_free(peer->clear_node_queue); | |
1047 | peer->clear_node_queue = NULL; | |
1048 | } | |
1049 | ||
1050 | bgp_sync_delete(peer); | |
1051 | ||
1052 | if (peer->conf_if) { | |
1053 | XFREE(MTYPE_PEER_CONF_IF, peer->conf_if); | |
1054 | peer->conf_if = NULL; | |
1055 | } | |
1056 | ||
1057 | bfd_info_free(&(peer->bfd_info)); | |
1058 | ||
1059 | bgp_unlock(peer->bgp); | |
1060 | ||
1061 | memset(peer, 0, sizeof(struct peer)); | |
1062 | ||
1063 | XFREE(MTYPE_BGP_PEER, peer); | |
1064 | } | |
1065 | ||
200df115 | 1066 | /* increase reference count on a struct peer */ |
d62a17ae | 1067 | struct peer *peer_lock_with_caller(const char *name, struct peer *peer) |
200df115 | 1068 | { |
d62a17ae | 1069 | assert(peer && (peer->lock >= 0)); |
28066f4b DS |
1070 | |
1071 | #if 0 | |
1072 | zlog_debug("%s peer_lock %p %d", name, peer, peer->lock); | |
1073 | #endif | |
d62a17ae | 1074 | |
1075 | peer->lock++; | |
1076 | ||
1077 | return peer; | |
200df115 | 1078 | } |
1079 | ||
1080 | /* decrease reference count on a struct peer | |
1081 | * struct peer is freed and NULL returned if last reference | |
1082 | */ | |
d62a17ae | 1083 | struct peer *peer_unlock_with_caller(const char *name, struct peer *peer) |
200df115 | 1084 | { |
d62a17ae | 1085 | assert(peer && (peer->lock > 0)); |
28066f4b DS |
1086 | |
1087 | #if 0 | |
1088 | zlog_debug("%s peer_unlock %p %d", name, peer, peer->lock); | |
1089 | #endif | |
200df115 | 1090 | |
d62a17ae | 1091 | peer->lock--; |
1092 | ||
1093 | if (peer->lock == 0) { | |
1094 | peer_free(peer); | |
1095 | return NULL; | |
1096 | } | |
1097 | ||
1098 | return peer; | |
200df115 | 1099 | } |
1ff9a340 | 1100 | |
200df115 | 1101 | /* Allocate new peer object, implicitely locked. */ |
d62a17ae | 1102 | struct peer *peer_new(struct bgp *bgp) |
1103 | { | |
1104 | afi_t afi; | |
1105 | safi_t safi; | |
1106 | struct peer *peer; | |
1107 | struct servent *sp; | |
1108 | ||
1109 | /* bgp argument is absolutely required */ | |
1110 | assert(bgp); | |
1111 | if (!bgp) | |
1112 | return NULL; | |
1113 | ||
1114 | /* Allocate new peer. */ | |
1115 | peer = XCALLOC(MTYPE_BGP_PEER, sizeof(struct peer)); | |
1116 | ||
1117 | /* Set default value. */ | |
1118 | peer->fd = -1; | |
1119 | peer->v_start = BGP_INIT_START_TIMER; | |
1120 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
1121 | peer->status = Idle; | |
1122 | peer->ostatus = Idle; | |
1123 | peer->cur_event = peer->last_event = peer->last_major_event = 0; | |
92375c91 | 1124 | peer->bgp = bgp_lock(bgp); |
d62a17ae | 1125 | peer = peer_lock(peer); /* initial reference */ |
d62a17ae | 1126 | peer->password = NULL; |
1127 | ||
1128 | /* Set default flags. */ | |
05c7a1cc QY |
1129 | FOREACH_AFI_SAFI (afi, safi) { |
1130 | if (!bgp_option_check(BGP_OPT_CONFIG_CISCO)) { | |
1131 | SET_FLAG(peer->af_flags[afi][safi], | |
1132 | PEER_FLAG_SEND_COMMUNITY); | |
1133 | SET_FLAG(peer->af_flags[afi][safi], | |
1134 | PEER_FLAG_SEND_EXT_COMMUNITY); | |
1135 | SET_FLAG(peer->af_flags[afi][safi], | |
1136 | PEER_FLAG_SEND_LARGE_COMMUNITY); | |
d62a17ae | 1137 | } |
05c7a1cc QY |
1138 | peer->orf_plist[afi][safi] = NULL; |
1139 | } | |
d62a17ae | 1140 | SET_FLAG(peer->sflags, PEER_STATUS_CAPABILITY_OPEN); |
718e3744 | 1141 | |
d62a17ae | 1142 | /* Create buffers. */ |
424ab01d | 1143 | peer->ibuf = stream_fifo_new(); |
d62a17ae | 1144 | peer->obuf = stream_fifo_new(); |
424ab01d | 1145 | pthread_mutex_init(&peer->io_mtx, NULL); |
0a91ff55 | 1146 | |
424ab01d | 1147 | /* We use a larger buffer for peer->obuf_work in the event that: |
d62a17ae | 1148 | * - We RX a BGP_UPDATE where the attributes alone are just |
1149 | * under BGP_MAX_PACKET_SIZE | |
1150 | * - The user configures an outbound route-map that does many as-path | |
09f6d019 QY |
1151 | * prepends or adds many communities. At most they can have |
1152 | * CMD_ARGC_MAX args in a route-map so there is a finite limit on how | |
1153 | * large they can make the attributes. | |
d62a17ae | 1154 | * |
1155 | * Having a buffer with BGP_MAX_PACKET_SIZE_OVERFLOW allows us to avoid | |
09f6d019 QY |
1156 | * bounds checking for every single attribute as we construct an |
1157 | * UPDATE. | |
d62a17ae | 1158 | */ |
424ab01d | 1159 | peer->obuf_work = |
d62a17ae | 1160 | stream_new(BGP_MAX_PACKET_SIZE + BGP_MAX_PACKET_SIZE_OVERFLOW); |
74ffbfe6 QY |
1161 | peer->ibuf_work = |
1162 | ringbuf_new(BGP_MAX_PACKET_SIZE * BGP_READ_PACKET_MAX); | |
1163 | ||
d62a17ae | 1164 | peer->scratch = stream_new(BGP_MAX_PACKET_SIZE); |
718e3744 | 1165 | |
d62a17ae | 1166 | bgp_sync_init(peer); |
718e3744 | 1167 | |
d62a17ae | 1168 | /* Get service port number. */ |
1169 | sp = getservbyname("bgp", "tcp"); | |
1170 | peer->port = (sp == NULL) ? BGP_PORT_DEFAULT : ntohs(sp->s_port); | |
718e3744 | 1171 | |
d62a17ae | 1172 | QOBJ_REG(peer, peer); |
1173 | return peer; | |
718e3744 | 1174 | } |
1175 | ||
1ff9a340 DS |
1176 | /* |
1177 | * This function is invoked when a duplicate peer structure associated with | |
1178 | * a neighbor is being deleted. If this about-to-be-deleted structure is | |
1179 | * the one with all the config, then we have to copy over the info. | |
1180 | */ | |
d62a17ae | 1181 | void peer_xfer_config(struct peer *peer_dst, struct peer *peer_src) |
1182 | { | |
1183 | struct peer_af *paf; | |
1184 | afi_t afi; | |
1185 | safi_t safi; | |
1186 | int afidx; | |
1187 | ||
1188 | assert(peer_src); | |
1189 | assert(peer_dst); | |
1190 | ||
1191 | /* The following function is used by both peer group config copy to | |
1192 | * individual peer and when we transfer config | |
1193 | */ | |
1194 | if (peer_src->change_local_as) | |
1195 | peer_dst->change_local_as = peer_src->change_local_as; | |
1196 | ||
1197 | /* peer flags apply */ | |
1198 | peer_dst->flags = peer_src->flags; | |
1199 | peer_dst->cap = peer_src->cap; | |
1200 | peer_dst->config = peer_src->config; | |
1201 | ||
1202 | peer_dst->local_as = peer_src->local_as; | |
1203 | peer_dst->ifindex = peer_src->ifindex; | |
1204 | peer_dst->port = peer_src->port; | |
82417ac2 | 1205 | (void)peer_sort(peer_dst); |
d62a17ae | 1206 | peer_dst->rmap_type = peer_src->rmap_type; |
1207 | ||
1208 | /* Timers */ | |
1209 | peer_dst->holdtime = peer_src->holdtime; | |
1210 | peer_dst->keepalive = peer_src->keepalive; | |
1211 | peer_dst->connect = peer_src->connect; | |
1212 | peer_dst->v_holdtime = peer_src->v_holdtime; | |
1213 | peer_dst->v_keepalive = peer_src->v_keepalive; | |
1214 | peer_dst->routeadv = peer_src->routeadv; | |
1215 | peer_dst->v_routeadv = peer_src->v_routeadv; | |
1216 | ||
1217 | /* password apply */ | |
1218 | if (peer_src->password && !peer_dst->password) | |
1219 | peer_dst->password = | |
1220 | XSTRDUP(MTYPE_PEER_PASSWORD, peer_src->password); | |
1221 | ||
05c7a1cc QY |
1222 | FOREACH_AFI_SAFI (afi, safi) { |
1223 | peer_dst->afc[afi][safi] = peer_src->afc[afi][safi]; | |
1224 | peer_dst->af_flags[afi][safi] = peer_src->af_flags[afi][safi]; | |
1225 | peer_dst->allowas_in[afi][safi] = | |
1226 | peer_src->allowas_in[afi][safi]; | |
1227 | peer_dst->weight[afi][safi] = peer_src->weight[afi][safi]; | |
1228 | } | |
d62a17ae | 1229 | |
1230 | for (afidx = BGP_AF_START; afidx < BGP_AF_MAX; afidx++) { | |
1231 | paf = peer_src->peer_af_array[afidx]; | |
1232 | if (paf != NULL) | |
1233 | peer_af_create(peer_dst, paf->afi, paf->safi); | |
1234 | } | |
1235 | ||
1236 | /* update-source apply */ | |
1237 | if (peer_src->update_source) { | |
1238 | if (peer_dst->update_source) | |
1239 | sockunion_free(peer_dst->update_source); | |
1240 | if (peer_dst->update_if) { | |
1241 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer_dst->update_if); | |
1242 | peer_dst->update_if = NULL; | |
1243 | } | |
1244 | peer_dst->update_source = | |
1245 | sockunion_dup(peer_src->update_source); | |
1246 | } else if (peer_src->update_if) { | |
1247 | if (peer_dst->update_if) | |
1248 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer_dst->update_if); | |
1249 | if (peer_dst->update_source) { | |
1250 | sockunion_free(peer_dst->update_source); | |
1251 | peer_dst->update_source = NULL; | |
1252 | } | |
1253 | peer_dst->update_if = | |
1254 | XSTRDUP(MTYPE_PEER_UPDATE_SOURCE, peer_src->update_if); | |
1255 | } | |
1256 | ||
1257 | if (peer_src->ifname) { | |
1258 | if (peer_dst->ifname) | |
1259 | XFREE(MTYPE_BGP_PEER_IFNAME, peer_dst->ifname); | |
1260 | ||
1261 | peer_dst->ifname = | |
1262 | XSTRDUP(MTYPE_BGP_PEER_IFNAME, peer_src->ifname); | |
1263 | } | |
1264 | } | |
1265 | ||
1266 | static int bgp_peer_conf_if_to_su_update_v4(struct peer *peer, | |
1267 | struct interface *ifp) | |
1268 | { | |
1269 | struct connected *ifc; | |
1270 | struct prefix p; | |
1271 | u_int32_t addr; | |
1272 | struct listnode *node; | |
1273 | ||
1274 | /* If our IPv4 address on the interface is /30 or /31, we can derive the | |
1275 | * IPv4 address of the other end. | |
1276 | */ | |
1277 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) { | |
1278 | if (ifc->address && (ifc->address->family == AF_INET)) { | |
1279 | PREFIX_COPY_IPV4(&p, CONNECTED_PREFIX(ifc)); | |
1280 | if (p.prefixlen == 30) { | |
1281 | peer->su.sa.sa_family = AF_INET; | |
1282 | addr = ntohl(p.u.prefix4.s_addr); | |
1283 | if (addr % 4 == 1) | |
1284 | peer->su.sin.sin_addr.s_addr = | |
1285 | htonl(addr + 1); | |
1286 | else if (addr % 4 == 2) | |
1287 | peer->su.sin.sin_addr.s_addr = | |
1288 | htonl(addr - 1); | |
8ffedcea | 1289 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 1290 | peer->su.sin.sin_len = |
1291 | sizeof(struct sockaddr_in); | |
8ffedcea | 1292 | #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ |
d62a17ae | 1293 | return 1; |
1294 | } else if (p.prefixlen == 31) { | |
1295 | peer->su.sa.sa_family = AF_INET; | |
1296 | addr = ntohl(p.u.prefix4.s_addr); | |
1297 | if (addr % 2 == 0) | |
1298 | peer->su.sin.sin_addr.s_addr = | |
1299 | htonl(addr + 1); | |
1300 | else | |
1301 | peer->su.sin.sin_addr.s_addr = | |
1302 | htonl(addr - 1); | |
8ffedcea | 1303 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
d62a17ae | 1304 | peer->su.sin.sin_len = |
1305 | sizeof(struct sockaddr_in); | |
8ffedcea | 1306 | #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ |
d62a17ae | 1307 | return 1; |
1308 | } else if (bgp_debug_neighbor_events(peer)) | |
1309 | zlog_debug( | |
1310 | "%s: IPv4 interface address is not /30 or /31, v4 session not started", | |
1311 | peer->conf_if); | |
1312 | } | |
1313 | } | |
1314 | ||
1315 | return 0; | |
1316 | } | |
1317 | ||
1318 | static int bgp_peer_conf_if_to_su_update_v6(struct peer *peer, | |
1319 | struct interface *ifp) | |
1320 | { | |
1321 | struct nbr_connected *ifc_nbr; | |
1322 | ||
1323 | /* Have we learnt the peer's IPv6 link-local address? */ | |
1324 | if (ifp->nbr_connected | |
1325 | && (ifc_nbr = listnode_head(ifp->nbr_connected))) { | |
1326 | peer->su.sa.sa_family = AF_INET6; | |
1327 | memcpy(&peer->su.sin6.sin6_addr, &ifc_nbr->address->u.prefix, | |
1328 | sizeof(struct in6_addr)); | |
a80beece | 1329 | #ifdef SIN6_LEN |
d62a17ae | 1330 | peer->su.sin6.sin6_len = sizeof(struct sockaddr_in6); |
a80beece | 1331 | #endif |
d62a17ae | 1332 | peer->su.sin6.sin6_scope_id = ifp->ifindex; |
1333 | return 1; | |
1334 | } | |
8ffedcea | 1335 | |
d62a17ae | 1336 | return 0; |
89ca90fa | 1337 | } |
1338 | ||
1339 | /* | |
1340 | * Set or reset the peer address socketunion structure based on the | |
1341 | * learnt/derived peer address. If the address has changed, update the | |
1342 | * password on the listen socket, if needed. | |
1343 | */ | |
d62a17ae | 1344 | void bgp_peer_conf_if_to_su_update(struct peer *peer) |
1345 | { | |
1346 | struct interface *ifp; | |
1347 | int prev_family; | |
1348 | int peer_addr_updated = 0; | |
1349 | ||
1350 | if (!peer->conf_if) | |
1351 | return; | |
1352 | ||
1353 | prev_family = peer->su.sa.sa_family; | |
1354 | if ((ifp = if_lookup_by_name(peer->conf_if, peer->bgp->vrf_id))) { | |
1355 | peer->ifp = ifp; | |
1356 | /* If BGP unnumbered is not "v6only", we first see if we can | |
1357 | * derive the | |
1358 | * peer's IPv4 address. | |
1359 | */ | |
1360 | if (!CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY)) | |
1361 | peer_addr_updated = | |
1362 | bgp_peer_conf_if_to_su_update_v4(peer, ifp); | |
1363 | ||
1364 | /* If "v6only" or we can't derive peer's IPv4 address, see if | |
1365 | * we've | |
1366 | * learnt the peer's IPv6 link-local address. This is from the | |
1367 | * source | |
1368 | * IPv6 address in router advertisement. | |
1369 | */ | |
1370 | if (!peer_addr_updated) | |
1371 | peer_addr_updated = | |
1372 | bgp_peer_conf_if_to_su_update_v6(peer, ifp); | |
1373 | } | |
1374 | /* If we could derive the peer address, we may need to install the | |
1375 | * password | |
1376 | * configured for the peer, if any, on the listen socket. Otherwise, | |
1377 | * mark | |
1378 | * that peer's address is not available and uninstall the password, if | |
1379 | * needed. | |
1380 | */ | |
1381 | if (peer_addr_updated) { | |
1382 | if (peer->password && prev_family == AF_UNSPEC) | |
1383 | bgp_md5_set(peer); | |
1384 | } else { | |
1385 | if (peer->password && prev_family != AF_UNSPEC) | |
1386 | bgp_md5_unset(peer); | |
1387 | peer->su.sa.sa_family = AF_UNSPEC; | |
1388 | memset(&peer->su.sin6.sin6_addr, 0, sizeof(struct in6_addr)); | |
1389 | } | |
1390 | ||
1391 | /* Since our su changed we need to del/add peer to the peerhash */ | |
1392 | hash_release(peer->bgp->peerhash, peer); | |
1393 | hash_get(peer->bgp->peerhash, peer, hash_alloc_intern); | |
a80beece DS |
1394 | } |
1395 | ||
318cac96 DW |
1396 | static void bgp_recalculate_afi_safi_bestpaths(struct bgp *bgp, afi_t afi, |
1397 | safi_t safi) | |
1398 | { | |
1399 | struct bgp_node *rn, *nrn; | |
1400 | ||
1401 | for (rn = bgp_table_top(bgp->rib[afi][safi]); rn; | |
1402 | rn = bgp_route_next(rn)) { | |
1403 | if (rn->info != NULL) { | |
1404 | /* Special handling for 2-level routing | |
1405 | * tables. */ | |
1406 | if (safi == SAFI_MPLS_VPN | |
1407 | || safi == SAFI_ENCAP | |
1408 | || safi == SAFI_EVPN) { | |
1409 | for (nrn = bgp_table_top(( | |
1410 | struct bgp_table | |
1411 | *)(rn->info)); | |
1412 | nrn; | |
1413 | nrn = bgp_route_next(nrn)) | |
1414 | bgp_process(bgp, nrn, | |
1415 | afi, safi); | |
1416 | } else | |
1417 | bgp_process(bgp, rn, afi, safi); | |
1418 | } | |
1419 | } | |
1420 | } | |
1421 | ||
06370dac DW |
1422 | /* Force a bestpath recalculation for all prefixes. This is used |
1423 | * when 'bgp bestpath' commands are entered. | |
1424 | */ | |
d62a17ae | 1425 | void bgp_recalculate_all_bestpaths(struct bgp *bgp) |
1426 | { | |
1427 | afi_t afi; | |
1428 | safi_t safi; | |
d62a17ae | 1429 | |
05c7a1cc QY |
1430 | FOREACH_AFI_SAFI (afi, safi) { |
1431 | bgp_recalculate_afi_safi_bestpaths(bgp, afi, safi); | |
d62a17ae | 1432 | } |
06370dac DW |
1433 | } |
1434 | ||
718e3744 | 1435 | /* Create new BGP peer. */ |
d62a17ae | 1436 | struct peer *peer_create(union sockunion *su, const char *conf_if, |
1437 | struct bgp *bgp, as_t local_as, as_t remote_as, | |
1438 | int as_type, afi_t afi, safi_t safi, | |
1439 | struct peer_group *group) | |
1440 | { | |
1441 | int active; | |
1442 | struct peer *peer; | |
1443 | char buf[SU_ADDRSTRLEN]; | |
1444 | ||
1445 | peer = peer_new(bgp); | |
1446 | if (conf_if) { | |
1447 | peer->conf_if = XSTRDUP(MTYPE_PEER_CONF_IF, conf_if); | |
1448 | bgp_peer_conf_if_to_su_update(peer); | |
1449 | if (peer->host) | |
1450 | XFREE(MTYPE_BGP_PEER_HOST, peer->host); | |
1451 | peer->host = XSTRDUP(MTYPE_BGP_PEER_HOST, conf_if); | |
1452 | } else if (su) { | |
1453 | peer->su = *su; | |
1454 | sockunion2str(su, buf, SU_ADDRSTRLEN); | |
1455 | if (peer->host) | |
1456 | XFREE(MTYPE_BGP_PEER_HOST, peer->host); | |
1457 | peer->host = XSTRDUP(MTYPE_BGP_PEER_HOST, buf); | |
1458 | } | |
1459 | peer->local_as = local_as; | |
1460 | peer->as = remote_as; | |
1461 | peer->as_type = as_type; | |
1462 | peer->local_id = bgp->router_id; | |
1463 | peer->v_holdtime = bgp->default_holdtime; | |
1464 | peer->v_keepalive = bgp->default_keepalive; | |
1465 | if (peer_sort(peer) == BGP_PEER_IBGP) | |
1466 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
1467 | else | |
1468 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
1469 | ||
1470 | peer = peer_lock(peer); /* bgp peer list reference */ | |
1471 | peer->group = group; | |
1472 | listnode_add_sort(bgp->peer, peer); | |
1473 | hash_get(bgp->peerhash, peer, hash_alloc_intern); | |
1474 | ||
4961a5a2 | 1475 | /* Adjust update-group coalesce timer heuristics for # peers. */ |
37a333fe | 1476 | if (bgp->heuristic_coalesce) { |
14b8641a QY |
1477 | long ct = BGP_DEFAULT_SUBGROUP_COALESCE_TIME |
1478 | + (bgp->peer->count | |
1479 | * BGP_PEER_ADJUST_SUBGROUP_COALESCE_TIME); | |
1480 | bgp->coalesce_time = MIN(BGP_MAX_SUBGROUP_COALESCE_TIME, ct); | |
1481 | } | |
4961a5a2 | 1482 | |
d62a17ae | 1483 | active = peer_active(peer); |
1484 | ||
1485 | /* Last read and reset time set */ | |
1486 | peer->readtime = peer->resettime = bgp_clock(); | |
1487 | ||
1488 | /* Default TTL set. */ | |
1489 | peer->ttl = (peer->sort == BGP_PEER_IBGP) ? MAXTTL : 1; | |
1490 | ||
1491 | SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE); | |
1492 | ||
1493 | if (afi && safi) { | |
1494 | peer->afc[afi][safi] = 1; | |
1495 | peer_af_create(peer, afi, safi); | |
1496 | } | |
1497 | ||
f26845f9 QY |
1498 | /* auto shutdown if configured */ |
1499 | if (bgp->autoshutdown) | |
1500 | peer_flag_set(peer, PEER_FLAG_SHUTDOWN); | |
d62a17ae | 1501 | /* Set up peer's events and timers. */ |
f26845f9 | 1502 | else if (!active && peer_active(peer)) |
d62a17ae | 1503 | bgp_timer_set(peer); |
1504 | ||
1505 | return peer; | |
718e3744 | 1506 | } |
1507 | ||
dd793e4a | 1508 | /* Make accept BGP peer. This function is only called from the test code */ |
d62a17ae | 1509 | struct peer *peer_create_accept(struct bgp *bgp) |
eb821189 | 1510 | { |
d62a17ae | 1511 | struct peer *peer; |
eb821189 | 1512 | |
d62a17ae | 1513 | peer = peer_new(bgp); |
1ff9a340 | 1514 | |
d62a17ae | 1515 | peer = peer_lock(peer); /* bgp peer list reference */ |
1516 | listnode_add_sort(bgp->peer, peer); | |
eb821189 | 1517 | |
d62a17ae | 1518 | return peer; |
eb821189 | 1519 | } |
1520 | ||
318cac96 DW |
1521 | /* |
1522 | * Return true if we have a peer configured to use this afi/safi | |
1523 | */ | |
1524 | int bgp_afi_safi_peer_exists(struct bgp *bgp, afi_t afi, safi_t safi) | |
1525 | { | |
1526 | struct listnode *node; | |
1527 | struct peer *peer; | |
1528 | ||
1529 | for (ALL_LIST_ELEMENTS_RO(bgp->peer, node, peer)) { | |
1530 | if (!CHECK_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE)) | |
1531 | continue; | |
1532 | ||
1533 | if (peer->afc[afi][safi]) | |
1534 | return 1; | |
1535 | } | |
1536 | ||
1537 | return 0; | |
1538 | } | |
1539 | ||
718e3744 | 1540 | /* Change peer's AS number. */ |
d62a17ae | 1541 | void peer_as_change(struct peer *peer, as_t as, int as_specified) |
1542 | { | |
1543 | bgp_peer_sort_t type; | |
1544 | struct peer *conf; | |
1545 | ||
1546 | /* Stop peer. */ | |
1547 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
1548 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
1549 | peer->last_reset = PEER_DOWN_REMOTE_AS_CHANGE; | |
1550 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
1551 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1552 | } else | |
1553 | bgp_session_reset(peer); | |
1554 | } | |
1555 | type = peer_sort(peer); | |
1556 | peer->as = as; | |
1557 | peer->as_type = as_specified; | |
1558 | ||
1559 | if (bgp_config_check(peer->bgp, BGP_CONFIG_CONFEDERATION) | |
1560 | && !bgp_confederation_peers_check(peer->bgp, as) | |
1561 | && peer->bgp->as != as) | |
1562 | peer->local_as = peer->bgp->confed_id; | |
1563 | else | |
1564 | peer->local_as = peer->bgp->as; | |
1565 | ||
1566 | /* Advertisement-interval reset */ | |
1567 | conf = NULL; | |
1568 | if (peer->group) | |
1569 | conf = peer->group->conf; | |
1570 | ||
1571 | if (conf && CHECK_FLAG(conf->config, PEER_CONFIG_ROUTEADV)) { | |
1572 | peer->v_routeadv = conf->routeadv; | |
1573 | } | |
1574 | /* Only go back to the default advertisement-interval if the user had | |
1575 | * not | |
1576 | * already configured it */ | |
1577 | else if (!CHECK_FLAG(peer->config, PEER_CONFIG_ROUTEADV)) { | |
1578 | if (peer_sort(peer) == BGP_PEER_IBGP) | |
1579 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
1580 | else | |
1581 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
1582 | } | |
1583 | /* TTL reset */ | |
1584 | if (peer_sort(peer) == BGP_PEER_IBGP) | |
1585 | peer->ttl = MAXTTL; | |
1586 | else if (type == BGP_PEER_IBGP) | |
1587 | peer->ttl = 1; | |
1588 | ||
1589 | /* reflector-client reset */ | |
1590 | if (peer_sort(peer) != BGP_PEER_IBGP) { | |
1591 | UNSET_FLAG(peer->af_flags[AFI_IP][SAFI_UNICAST], | |
1592 | PEER_FLAG_REFLECTOR_CLIENT); | |
1593 | UNSET_FLAG(peer->af_flags[AFI_IP][SAFI_MULTICAST], | |
1594 | PEER_FLAG_REFLECTOR_CLIENT); | |
1595 | UNSET_FLAG(peer->af_flags[AFI_IP][SAFI_LABELED_UNICAST], | |
1596 | PEER_FLAG_REFLECTOR_CLIENT); | |
1597 | UNSET_FLAG(peer->af_flags[AFI_IP][SAFI_MPLS_VPN], | |
1598 | PEER_FLAG_REFLECTOR_CLIENT); | |
1599 | UNSET_FLAG(peer->af_flags[AFI_IP][SAFI_ENCAP], | |
1600 | PEER_FLAG_REFLECTOR_CLIENT); | |
1601 | UNSET_FLAG(peer->af_flags[AFI_IP6][SAFI_UNICAST], | |
1602 | PEER_FLAG_REFLECTOR_CLIENT); | |
1603 | UNSET_FLAG(peer->af_flags[AFI_IP6][SAFI_MULTICAST], | |
1604 | PEER_FLAG_REFLECTOR_CLIENT); | |
1605 | UNSET_FLAG(peer->af_flags[AFI_IP6][SAFI_LABELED_UNICAST], | |
1606 | PEER_FLAG_REFLECTOR_CLIENT); | |
1607 | UNSET_FLAG(peer->af_flags[AFI_IP6][SAFI_MPLS_VPN], | |
1608 | PEER_FLAG_REFLECTOR_CLIENT); | |
1609 | UNSET_FLAG(peer->af_flags[AFI_IP6][SAFI_ENCAP], | |
1610 | PEER_FLAG_REFLECTOR_CLIENT); | |
1611 | UNSET_FLAG(peer->af_flags[AFI_L2VPN][SAFI_EVPN], | |
1612 | PEER_FLAG_REFLECTOR_CLIENT); | |
1613 | } | |
1614 | ||
1615 | /* local-as reset */ | |
1616 | if (peer_sort(peer) != BGP_PEER_EBGP) { | |
1617 | peer->change_local_as = 0; | |
1618 | UNSET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
1619 | UNSET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
1620 | } | |
718e3744 | 1621 | } |
1622 | ||
1623 | /* If peer does not exist, create new one. If peer already exists, | |
1624 | set AS number to the peer. */ | |
d62a17ae | 1625 | int peer_remote_as(struct bgp *bgp, union sockunion *su, const char *conf_if, |
1626 | as_t *as, int as_type, afi_t afi, safi_t safi) | |
1627 | { | |
1628 | struct peer *peer; | |
1629 | as_t local_as; | |
1630 | ||
1631 | if (conf_if) | |
1632 | peer = peer_lookup_by_conf_if(bgp, conf_if); | |
1633 | else | |
1634 | peer = peer_lookup(bgp, su); | |
1635 | ||
1636 | if (peer) { | |
1637 | /* Not allowed for a dynamic peer. */ | |
1638 | if (peer_dynamic_neighbor(peer)) { | |
1639 | *as = peer->as; | |
1640 | return BGP_ERR_INVALID_FOR_DYNAMIC_PEER; | |
1641 | } | |
718e3744 | 1642 | |
d62a17ae | 1643 | /* When this peer is a member of peer-group. */ |
1644 | if (peer->group) { | |
1645 | if (peer->group->conf->as) { | |
1646 | /* Return peer group's AS number. */ | |
1647 | *as = peer->group->conf->as; | |
1648 | return BGP_ERR_PEER_GROUP_MEMBER; | |
1649 | } | |
1650 | if (peer_sort(peer->group->conf) == BGP_PEER_IBGP) { | |
1651 | if ((as_type != AS_INTERNAL) | |
1652 | && (bgp->as != *as)) { | |
1653 | *as = peer->as; | |
1654 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
1655 | } | |
1656 | } else { | |
1657 | if ((as_type != AS_EXTERNAL) | |
1658 | && (bgp->as == *as)) { | |
1659 | *as = peer->as; | |
1660 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
1661 | } | |
1662 | } | |
1663 | } | |
93406d87 | 1664 | |
d62a17ae | 1665 | /* Existing peer's AS number change. */ |
1666 | if (((peer->as_type == AS_SPECIFIED) && peer->as != *as) | |
1667 | || (peer->as_type != as_type)) | |
1668 | peer_as_change(peer, *as, as_type); | |
1669 | } else { | |
1670 | if (conf_if) | |
1671 | return BGP_ERR_NO_INTERFACE_CONFIG; | |
1672 | ||
1673 | /* If the peer is not part of our confederation, and its not an | |
1674 | iBGP peer then spoof the source AS */ | |
1675 | if (bgp_config_check(bgp, BGP_CONFIG_CONFEDERATION) | |
1676 | && !bgp_confederation_peers_check(bgp, *as) | |
1677 | && bgp->as != *as) | |
1678 | local_as = bgp->confed_id; | |
1679 | else | |
1680 | local_as = bgp->as; | |
1681 | ||
1682 | /* If this is IPv4 unicast configuration and "no bgp default | |
1683 | ipv4-unicast" is specified. */ | |
1684 | ||
1685 | if (bgp_flag_check(bgp, BGP_FLAG_NO_DEFAULT_IPV4) | |
1686 | && afi == AFI_IP && safi == SAFI_UNICAST) | |
1687 | peer_create(su, conf_if, bgp, local_as, *as, as_type, 0, | |
1688 | 0, NULL); | |
1689 | else | |
1690 | peer_create(su, conf_if, bgp, local_as, *as, as_type, | |
1691 | afi, safi, NULL); | |
1692 | } | |
718e3744 | 1693 | |
d62a17ae | 1694 | return 0; |
1695 | } | |
718e3744 | 1696 | |
9790f44f DS |
1697 | static void peer_group2peer_config_copy_af(struct peer_group *group, |
1698 | struct peer *peer, afi_t afi, | |
1699 | safi_t safi) | |
1700 | { | |
1701 | int in = FILTER_IN; | |
1702 | int out = FILTER_OUT; | |
1703 | struct peer *conf; | |
1704 | struct bgp_filter *pfilter; | |
1705 | struct bgp_filter *gfilter; | |
1706 | ||
1707 | conf = group->conf; | |
1708 | pfilter = &peer->filter[afi][safi]; | |
1709 | gfilter = &conf->filter[afi][safi]; | |
1710 | ||
1711 | /* peer af_flags apply */ | |
1712 | peer->af_flags[afi][safi] = conf->af_flags[afi][safi]; | |
1713 | ||
1714 | /* maximum-prefix */ | |
1715 | peer->pmax[afi][safi] = conf->pmax[afi][safi]; | |
1716 | peer->pmax_threshold[afi][safi] = conf->pmax_threshold[afi][safi]; | |
1717 | peer->pmax_restart[afi][safi] = conf->pmax_restart[afi][safi]; | |
1718 | ||
1719 | /* allowas-in */ | |
1720 | peer->allowas_in[afi][safi] = conf->allowas_in[afi][safi]; | |
1721 | ||
1722 | /* weight */ | |
1723 | peer->weight[afi][safi] = conf->weight[afi][safi]; | |
1724 | ||
1725 | /* default-originate route-map */ | |
1726 | if (conf->default_rmap[afi][safi].name) { | |
1727 | if (peer->default_rmap[afi][safi].name) | |
1728 | XFREE(MTYPE_BGP_FILTER_NAME, | |
1729 | peer->default_rmap[afi][safi].name); | |
1730 | peer->default_rmap[afi][safi].name = | |
1731 | XSTRDUP(MTYPE_BGP_FILTER_NAME, | |
1732 | conf->default_rmap[afi][safi].name); | |
1733 | peer->default_rmap[afi][safi].map = | |
1734 | conf->default_rmap[afi][safi].map; | |
1735 | } | |
1736 | ||
1737 | /* inbound filter apply */ | |
1738 | if (gfilter->dlist[in].name && !pfilter->dlist[in].name) { | |
1739 | if (pfilter->dlist[in].name) | |
1740 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->dlist[in].name); | |
1741 | pfilter->dlist[in].name = | |
1742 | XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->dlist[in].name); | |
1743 | pfilter->dlist[in].alist = gfilter->dlist[in].alist; | |
1744 | } | |
1745 | ||
1746 | if (gfilter->plist[in].name && !pfilter->plist[in].name) { | |
1747 | if (pfilter->plist[in].name) | |
1748 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->plist[in].name); | |
1749 | pfilter->plist[in].name = | |
1750 | XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->plist[in].name); | |
1751 | pfilter->plist[in].plist = gfilter->plist[in].plist; | |
1752 | } | |
1753 | ||
1754 | if (gfilter->aslist[in].name && !pfilter->aslist[in].name) { | |
1755 | if (pfilter->aslist[in].name) | |
1756 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->aslist[in].name); | |
1757 | pfilter->aslist[in].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, | |
1758 | gfilter->aslist[in].name); | |
1759 | pfilter->aslist[in].aslist = gfilter->aslist[in].aslist; | |
1760 | } | |
1761 | ||
1762 | if (gfilter->map[RMAP_IN].name && !pfilter->map[RMAP_IN].name) { | |
1763 | if (pfilter->map[RMAP_IN].name) | |
1764 | XFREE(MTYPE_BGP_FILTER_NAME, | |
1765 | pfilter->map[RMAP_IN].name); | |
1766 | pfilter->map[RMAP_IN].name = XSTRDUP( | |
1767 | MTYPE_BGP_FILTER_NAME, gfilter->map[RMAP_IN].name); | |
1768 | pfilter->map[RMAP_IN].map = gfilter->map[RMAP_IN].map; | |
1769 | } | |
1770 | ||
1771 | /* outbound filter apply */ | |
1772 | if (gfilter->dlist[out].name) { | |
1773 | if (pfilter->dlist[out].name) | |
1774 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->dlist[out].name); | |
1775 | pfilter->dlist[out].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, | |
1776 | gfilter->dlist[out].name); | |
1777 | pfilter->dlist[out].alist = gfilter->dlist[out].alist; | |
1778 | } else { | |
1779 | if (pfilter->dlist[out].name) | |
1780 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->dlist[out].name); | |
1781 | pfilter->dlist[out].name = NULL; | |
1782 | pfilter->dlist[out].alist = NULL; | |
1783 | } | |
1784 | ||
1785 | if (gfilter->plist[out].name) { | |
1786 | if (pfilter->plist[out].name) | |
1787 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->plist[out].name); | |
1788 | pfilter->plist[out].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, | |
1789 | gfilter->plist[out].name); | |
1790 | pfilter->plist[out].plist = gfilter->plist[out].plist; | |
1791 | } else { | |
1792 | if (pfilter->plist[out].name) | |
1793 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->plist[out].name); | |
1794 | pfilter->plist[out].name = NULL; | |
1795 | pfilter->plist[out].plist = NULL; | |
1796 | } | |
1797 | ||
1798 | if (gfilter->aslist[out].name) { | |
1799 | if (pfilter->aslist[out].name) | |
1800 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->aslist[out].name); | |
1801 | pfilter->aslist[out].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, | |
1802 | gfilter->aslist[out].name); | |
1803 | pfilter->aslist[out].aslist = gfilter->aslist[out].aslist; | |
1804 | } else { | |
1805 | if (pfilter->aslist[out].name) | |
1806 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->aslist[out].name); | |
1807 | pfilter->aslist[out].name = NULL; | |
1808 | pfilter->aslist[out].aslist = NULL; | |
1809 | } | |
1810 | ||
1811 | if (gfilter->map[RMAP_OUT].name) { | |
1812 | if (pfilter->map[RMAP_OUT].name) | |
1813 | XFREE(MTYPE_BGP_FILTER_NAME, | |
1814 | pfilter->map[RMAP_OUT].name); | |
1815 | pfilter->map[RMAP_OUT].name = XSTRDUP( | |
1816 | MTYPE_BGP_FILTER_NAME, gfilter->map[RMAP_OUT].name); | |
1817 | pfilter->map[RMAP_OUT].map = gfilter->map[RMAP_OUT].map; | |
1818 | } else { | |
1819 | if (pfilter->map[RMAP_OUT].name) | |
1820 | XFREE(MTYPE_BGP_FILTER_NAME, | |
1821 | pfilter->map[RMAP_OUT].name); | |
1822 | pfilter->map[RMAP_OUT].name = NULL; | |
1823 | pfilter->map[RMAP_OUT].map = NULL; | |
1824 | } | |
1825 | ||
1826 | if (gfilter->usmap.name) { | |
1827 | if (pfilter->usmap.name) | |
1828 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->usmap.name); | |
1829 | pfilter->usmap.name = | |
1830 | XSTRDUP(MTYPE_BGP_FILTER_NAME, gfilter->usmap.name); | |
1831 | pfilter->usmap.map = gfilter->usmap.map; | |
1832 | } else { | |
1833 | if (pfilter->usmap.name) | |
1834 | XFREE(MTYPE_BGP_FILTER_NAME, pfilter->usmap.name); | |
1835 | pfilter->usmap.name = NULL; | |
1836 | pfilter->usmap.map = NULL; | |
1837 | } | |
1838 | } | |
1839 | ||
1840 | static int peer_activate_af(struct peer *peer, afi_t afi, safi_t safi) | |
d62a17ae | 1841 | { |
1842 | int active; | |
718e3744 | 1843 | |
d62a17ae | 1844 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { |
1845 | zlog_err("%s was called for peer-group %s", __func__, | |
1846 | peer->host); | |
1847 | return 1; | |
1848 | } | |
3f9c7369 | 1849 | |
d62a17ae | 1850 | /* Do not activate a peer for both SAFI_UNICAST and SAFI_LABELED_UNICAST |
1851 | */ | |
1852 | if ((safi == SAFI_UNICAST && peer->afc[afi][SAFI_LABELED_UNICAST]) | |
1853 | || (safi == SAFI_LABELED_UNICAST && peer->afc[afi][SAFI_UNICAST])) | |
1854 | return BGP_ERR_PEER_SAFI_CONFLICT; | |
1855 | ||
1856 | /* Nothing to do if we've already activated this peer */ | |
1857 | if (peer->afc[afi][safi]) | |
1858 | return 0; | |
1859 | ||
1860 | if (peer_af_create(peer, afi, safi) == NULL) | |
1861 | return 1; | |
1862 | ||
1863 | active = peer_active(peer); | |
1864 | peer->afc[afi][safi] = 1; | |
1865 | ||
9790f44f DS |
1866 | if (peer->group) |
1867 | peer_group2peer_config_copy_af(peer->group, peer, | |
1868 | afi, safi); | |
1869 | ||
d62a17ae | 1870 | if (!active && peer_active(peer)) { |
1871 | bgp_timer_set(peer); | |
1872 | } else { | |
1873 | if (peer->status == Established) { | |
1874 | if (CHECK_FLAG(peer->cap, PEER_CAP_DYNAMIC_RCV)) { | |
1875 | peer->afc_adv[afi][safi] = 1; | |
1876 | bgp_capability_send(peer, afi, safi, | |
1877 | CAPABILITY_CODE_MP, | |
1878 | CAPABILITY_ACTION_SET); | |
1879 | if (peer->afc_recv[afi][safi]) { | |
1880 | peer->afc_nego[afi][safi] = 1; | |
1881 | bgp_announce_route(peer, afi, safi); | |
1882 | } | |
1883 | } else { | |
1884 | peer->last_reset = PEER_DOWN_AF_ACTIVATE; | |
1885 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
1886 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1887 | } | |
1888 | } | |
64c1a9b5 DS |
1889 | if (peer->status == OpenSent || peer->status == OpenConfirm) { |
1890 | peer->last_reset = PEER_DOWN_AF_ACTIVATE; | |
1891 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
1892 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1893 | } | |
d62a17ae | 1894 | } |
04b6bdc0 | 1895 | |
d62a17ae | 1896 | return 0; |
1897 | } | |
9e08021c | 1898 | |
d62a17ae | 1899 | /* Activate the peer or peer group for specified AFI and SAFI. */ |
1900 | int peer_activate(struct peer *peer, afi_t afi, safi_t safi) | |
1901 | { | |
1902 | int ret = 0; | |
1903 | struct peer_group *group; | |
1904 | struct listnode *node, *nnode; | |
1905 | struct peer *tmp_peer; | |
318cac96 | 1906 | struct bgp *bgp; |
d62a17ae | 1907 | |
1908 | /* Nothing to do if we've already activated this peer */ | |
1909 | if (peer->afc[afi][safi]) | |
1910 | return ret; | |
1911 | ||
318cac96 DW |
1912 | bgp = peer->bgp; |
1913 | ||
d62a17ae | 1914 | /* This is a peer-group so activate all of the members of the |
1915 | * peer-group as well */ | |
1916 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
1917 | ||
1918 | /* Do not activate a peer for both SAFI_UNICAST and | |
1919 | * SAFI_LABELED_UNICAST */ | |
1920 | if ((safi == SAFI_UNICAST | |
1921 | && peer->afc[afi][SAFI_LABELED_UNICAST]) | |
1922 | || (safi == SAFI_LABELED_UNICAST | |
1923 | && peer->afc[afi][SAFI_UNICAST])) | |
1924 | return BGP_ERR_PEER_SAFI_CONFLICT; | |
1925 | ||
1926 | peer->afc[afi][safi] = 1; | |
1927 | group = peer->group; | |
1928 | ||
1929 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, tmp_peer)) { | |
9790f44f | 1930 | ret |= peer_activate_af(tmp_peer, afi, safi); |
d62a17ae | 1931 | } |
1932 | } else { | |
9790f44f | 1933 | ret |= peer_activate_af(peer, afi, safi); |
d62a17ae | 1934 | } |
718e3744 | 1935 | |
318cac96 DW |
1936 | /* If this is the first peer to be activated for this afi/labeled-unicast |
1937 | * recalc bestpaths to trigger label allocation */ | |
1938 | if (safi == SAFI_LABELED_UNICAST && !bgp->allocate_mpls_labels[afi][SAFI_UNICAST]) { | |
1939 | ||
1940 | if (BGP_DEBUG(zebra, ZEBRA)) | |
1941 | zlog_info("peer(s) are now active for labeled-unicast, allocate MPLS labels"); | |
1942 | ||
1943 | bgp->allocate_mpls_labels[afi][SAFI_UNICAST] = 1; | |
1944 | bgp_recalculate_afi_safi_bestpaths(bgp, afi, SAFI_UNICAST); | |
1945 | } | |
1946 | ||
d62a17ae | 1947 | return ret; |
718e3744 | 1948 | } |
6b0655a2 | 1949 | |
d62a17ae | 1950 | static int non_peergroup_deactivate_af(struct peer *peer, afi_t afi, |
1951 | safi_t safi) | |
718e3744 | 1952 | { |
d62a17ae | 1953 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { |
1954 | zlog_err("%s was called for peer-group %s", __func__, | |
1955 | peer->host); | |
1956 | return 1; | |
1957 | } | |
718e3744 | 1958 | |
d62a17ae | 1959 | /* Nothing to do if we've already deactivated this peer */ |
1960 | if (!peer->afc[afi][safi]) | |
1961 | return 0; | |
718e3744 | 1962 | |
d62a17ae | 1963 | /* De-activate the address family configuration. */ |
1964 | peer->afc[afi][safi] = 0; | |
718e3744 | 1965 | |
d62a17ae | 1966 | if (peer_af_delete(peer, afi, safi) != 0) { |
1967 | zlog_err("couldn't delete af structure for peer %s", | |
1968 | peer->host); | |
1969 | return 1; | |
1970 | } | |
718e3744 | 1971 | |
d62a17ae | 1972 | if (peer->status == Established) { |
1973 | if (CHECK_FLAG(peer->cap, PEER_CAP_DYNAMIC_RCV)) { | |
1974 | peer->afc_adv[afi][safi] = 0; | |
1975 | peer->afc_nego[afi][safi] = 0; | |
1976 | ||
1977 | if (peer_active_nego(peer)) { | |
1978 | bgp_capability_send(peer, afi, safi, | |
1979 | CAPABILITY_CODE_MP, | |
1980 | CAPABILITY_ACTION_UNSET); | |
1981 | bgp_clear_route(peer, afi, safi); | |
1982 | peer->pcount[afi][safi] = 0; | |
1983 | } else { | |
1984 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; | |
1985 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
1986 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1987 | } | |
1988 | } else { | |
1989 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; | |
1990 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
1991 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
1992 | } | |
1993 | } | |
718e3744 | 1994 | |
d62a17ae | 1995 | return 0; |
1996 | } | |
718e3744 | 1997 | |
d62a17ae | 1998 | int peer_deactivate(struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 1999 | { |
d62a17ae | 2000 | int ret = 0; |
2001 | struct peer_group *group; | |
2002 | struct peer *tmp_peer; | |
2003 | struct listnode *node, *nnode; | |
318cac96 | 2004 | struct bgp *bgp; |
718e3744 | 2005 | |
d62a17ae | 2006 | /* Nothing to do if we've already de-activated this peer */ |
2007 | if (!peer->afc[afi][safi]) | |
2008 | return ret; | |
718e3744 | 2009 | |
d62a17ae | 2010 | /* This is a peer-group so de-activate all of the members of the |
2011 | * peer-group as well */ | |
2012 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
2013 | peer->afc[afi][safi] = 0; | |
2014 | group = peer->group; | |
718e3744 | 2015 | |
d62a17ae | 2016 | if (peer_af_delete(peer, afi, safi) != 0) { |
2017 | zlog_err("couldn't delete af structure for peer %s", | |
2018 | peer->host); | |
2019 | } | |
0299c004 | 2020 | |
d62a17ae | 2021 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, tmp_peer)) { |
2022 | ret |= non_peergroup_deactivate_af(tmp_peer, afi, safi); | |
2023 | } | |
2024 | } else { | |
2025 | ret |= non_peergroup_deactivate_af(peer, afi, safi); | |
2026 | } | |
718e3744 | 2027 | |
318cac96 DW |
2028 | bgp = peer->bgp; |
2029 | ||
2030 | /* If this is the last peer to be deactivated for this afi/labeled-unicast | |
2031 | * recalc bestpaths to trigger label deallocation */ | |
2032 | if (safi == SAFI_LABELED_UNICAST && | |
2033 | bgp->allocate_mpls_labels[afi][SAFI_UNICAST] && | |
2034 | !bgp_afi_safi_peer_exists(bgp, afi, safi)) { | |
2035 | ||
2036 | if (BGP_DEBUG(zebra, ZEBRA)) | |
2037 | zlog_info("peer(s) are no longer active for labeled-unicast, deallocate MPLS labels"); | |
2038 | ||
2039 | bgp->allocate_mpls_labels[afi][SAFI_UNICAST] = 0; | |
2040 | bgp_recalculate_afi_safi_bestpaths(bgp, afi, SAFI_UNICAST); | |
2041 | } | |
d62a17ae | 2042 | return ret; |
2043 | } | |
718e3744 | 2044 | |
d62a17ae | 2045 | int peer_afc_set(struct peer *peer, afi_t afi, safi_t safi, int enable) |
2046 | { | |
2047 | if (enable) | |
2048 | return peer_activate(peer, afi, safi); | |
2049 | else | |
2050 | return peer_deactivate(peer, afi, safi); | |
718e3744 | 2051 | } |
2052 | ||
d62a17ae | 2053 | static void peer_nsf_stop(struct peer *peer) |
718e3744 | 2054 | { |
d62a17ae | 2055 | afi_t afi; |
2056 | safi_t safi; | |
718e3744 | 2057 | |
d62a17ae | 2058 | UNSET_FLAG(peer->sflags, PEER_STATUS_NSF_WAIT); |
2059 | UNSET_FLAG(peer->sflags, PEER_STATUS_NSF_MODE); | |
718e3744 | 2060 | |
d62a17ae | 2061 | for (afi = AFI_IP; afi < AFI_MAX; afi++) |
a08ca0a7 | 2062 | for (safi = SAFI_UNICAST; safi <= SAFI_MPLS_VPN; safi++) |
d62a17ae | 2063 | peer->nsf[afi][safi] = 0; |
2064 | ||
2065 | if (peer->t_gr_restart) { | |
2066 | BGP_TIMER_OFF(peer->t_gr_restart); | |
2067 | if (bgp_debug_neighbor_events(peer)) | |
2068 | zlog_debug("%s graceful restart timer stopped", | |
2069 | peer->host); | |
1ff9a340 | 2070 | } |
d62a17ae | 2071 | if (peer->t_gr_stale) { |
2072 | BGP_TIMER_OFF(peer->t_gr_stale); | |
2073 | if (bgp_debug_neighbor_events(peer)) | |
2074 | zlog_debug( | |
2075 | "%s graceful restart stalepath timer stopped", | |
2076 | peer->host); | |
2077 | } | |
2078 | bgp_clear_route_all(peer); | |
2079 | } | |
718e3744 | 2080 | |
d62a17ae | 2081 | /* Delete peer from confguration. |
2082 | * | |
2083 | * The peer is moved to a dead-end "Deleted" neighbour-state, to allow | |
2084 | * it to "cool off" and refcounts to hit 0, at which state it is freed. | |
2085 | * | |
2086 | * This function /should/ take care to be idempotent, to guard against | |
2087 | * it being called multiple times through stray events that come in | |
2088 | * that happen to result in this function being called again. That | |
2089 | * said, getting here for a "Deleted" peer is a bug in the neighbour | |
2090 | * FSM. | |
2091 | */ | |
2092 | int peer_delete(struct peer *peer) | |
2093 | { | |
2094 | int i; | |
2095 | afi_t afi; | |
2096 | safi_t safi; | |
2097 | struct bgp *bgp; | |
2098 | struct bgp_filter *filter; | |
2099 | struct listnode *pn; | |
2100 | int accept_peer; | |
f14e6fdb | 2101 | |
d62a17ae | 2102 | assert(peer->status != Deleted); |
718e3744 | 2103 | |
d62a17ae | 2104 | bgp = peer->bgp; |
2105 | accept_peer = CHECK_FLAG(peer->sflags, PEER_STATUS_ACCEPT_PEER); | |
080b97f2 | 2106 | |
424ab01d QY |
2107 | bgp_reads_off(peer); |
2108 | bgp_writes_off(peer); | |
2109 | assert(!CHECK_FLAG(peer->thread_flags, PEER_THREAD_WRITES_ON)); | |
2110 | assert(!CHECK_FLAG(peer->thread_flags, PEER_THREAD_READS_ON)); | |
2111 | ||
d62a17ae | 2112 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_NSF_WAIT)) |
2113 | peer_nsf_stop(peer); | |
718e3744 | 2114 | |
d62a17ae | 2115 | SET_FLAG(peer->flags, PEER_FLAG_DELETE); |
718e3744 | 2116 | |
d62a17ae | 2117 | /* If this peer belongs to peer group, clear up the |
2118 | relationship. */ | |
2119 | if (peer->group) { | |
2120 | if (peer_dynamic_neighbor(peer)) | |
2121 | peer_drop_dynamic_neighbor(peer); | |
718e3744 | 2122 | |
d62a17ae | 2123 | if ((pn = listnode_lookup(peer->group->peer, peer))) { |
2124 | peer = peer_unlock( | |
2125 | peer); /* group->peer list reference */ | |
2126 | list_delete_node(peer->group->peer, pn); | |
2127 | } | |
2128 | peer->group = NULL; | |
2129 | } | |
718e3744 | 2130 | |
d62a17ae | 2131 | /* Withdraw all information from routing table. We can not use |
2132 | * BGP_EVENT_ADD (peer, BGP_Stop) at here. Because the event is | |
2133 | * executed after peer structure is deleted. | |
2134 | */ | |
2135 | peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; | |
2136 | bgp_stop(peer); | |
2137 | UNSET_FLAG(peer->flags, PEER_FLAG_DELETE); | |
2138 | ||
2139 | if (peer->doppelganger) { | |
2140 | peer->doppelganger->doppelganger = NULL; | |
2141 | peer->doppelganger = NULL; | |
2142 | } | |
718e3744 | 2143 | |
d62a17ae | 2144 | UNSET_FLAG(peer->sflags, PEER_STATUS_ACCEPT_PEER); |
2145 | bgp_fsm_change_status(peer, Deleted); | |
718e3744 | 2146 | |
d62a17ae | 2147 | /* Remove from NHT */ |
2148 | if (CHECK_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE)) | |
2149 | bgp_unlink_nexthop_by_peer(peer); | |
1ff9a340 | 2150 | |
d62a17ae | 2151 | /* Password configuration */ |
2152 | if (peer->password) { | |
2153 | XFREE(MTYPE_PEER_PASSWORD, peer->password); | |
2154 | peer->password = NULL; | |
1ff9a340 | 2155 | |
d62a17ae | 2156 | if (!accept_peer && !BGP_PEER_SU_UNSPEC(peer) |
2157 | && !CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) | |
2158 | bgp_md5_unset(peer); | |
1ff9a340 | 2159 | } |
718e3744 | 2160 | |
d62a17ae | 2161 | bgp_timer_set(peer); /* stops all timers for Deleted */ |
718e3744 | 2162 | |
d62a17ae | 2163 | /* Delete from all peer list. */ |
2164 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP) | |
2165 | && (pn = listnode_lookup(bgp->peer, peer))) { | |
2166 | peer_unlock(peer); /* bgp peer list reference */ | |
2167 | list_delete_node(bgp->peer, pn); | |
2168 | hash_release(bgp->peerhash, peer); | |
2169 | } | |
718e3744 | 2170 | |
d62a17ae | 2171 | /* Buffers. */ |
2172 | if (peer->ibuf) { | |
424ab01d | 2173 | stream_fifo_free(peer->ibuf); |
d62a17ae | 2174 | peer->ibuf = NULL; |
2175 | } | |
f14e6fdb | 2176 | |
d62a17ae | 2177 | if (peer->obuf) { |
2178 | stream_fifo_free(peer->obuf); | |
2179 | peer->obuf = NULL; | |
2180 | } | |
f14e6fdb | 2181 | |
424ab01d | 2182 | if (peer->ibuf_work) { |
74ffbfe6 | 2183 | ringbuf_del(peer->ibuf_work); |
424ab01d QY |
2184 | peer->ibuf_work = NULL; |
2185 | } | |
2186 | ||
2187 | if (peer->obuf_work) { | |
2188 | stream_free(peer->obuf_work); | |
2189 | peer->obuf_work = NULL; | |
d62a17ae | 2190 | } |
f14e6fdb | 2191 | |
d62a17ae | 2192 | if (peer->scratch) { |
2193 | stream_free(peer->scratch); | |
2194 | peer->scratch = NULL; | |
2195 | } | |
f14e6fdb | 2196 | |
d62a17ae | 2197 | /* Local and remote addresses. */ |
2198 | if (peer->su_local) { | |
2199 | sockunion_free(peer->su_local); | |
2200 | peer->su_local = NULL; | |
2201 | } | |
f14e6fdb | 2202 | |
d62a17ae | 2203 | if (peer->su_remote) { |
2204 | sockunion_free(peer->su_remote); | |
2205 | peer->su_remote = NULL; | |
2206 | } | |
f14e6fdb | 2207 | |
d62a17ae | 2208 | /* Free filter related memory. */ |
05c7a1cc QY |
2209 | FOREACH_AFI_SAFI (afi, safi) { |
2210 | filter = &peer->filter[afi][safi]; | |
d62a17ae | 2211 | |
05c7a1cc QY |
2212 | for (i = FILTER_IN; i < FILTER_MAX; i++) { |
2213 | if (filter->dlist[i].name) { | |
2214 | XFREE(MTYPE_BGP_FILTER_NAME, | |
2215 | filter->dlist[i].name); | |
2216 | filter->dlist[i].name = NULL; | |
d62a17ae | 2217 | } |
2218 | ||
05c7a1cc QY |
2219 | if (filter->plist[i].name) { |
2220 | XFREE(MTYPE_BGP_FILTER_NAME, | |
2221 | filter->plist[i].name); | |
2222 | filter->plist[i].name = NULL; | |
d62a17ae | 2223 | } |
2224 | ||
05c7a1cc | 2225 | if (filter->aslist[i].name) { |
d62a17ae | 2226 | XFREE(MTYPE_BGP_FILTER_NAME, |
05c7a1cc QY |
2227 | filter->aslist[i].name); |
2228 | filter->aslist[i].name = NULL; | |
d62a17ae | 2229 | } |
05c7a1cc | 2230 | } |
d62a17ae | 2231 | |
05c7a1cc QY |
2232 | for (i = RMAP_IN; i < RMAP_MAX; i++) { |
2233 | if (filter->map[i].name) { | |
2234 | XFREE(MTYPE_BGP_FILTER_NAME, | |
2235 | filter->map[i].name); | |
2236 | filter->map[i].name = NULL; | |
d62a17ae | 2237 | } |
2238 | } | |
f14e6fdb | 2239 | |
05c7a1cc QY |
2240 | if (filter->usmap.name) { |
2241 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); | |
2242 | filter->usmap.name = NULL; | |
2243 | } | |
2244 | ||
2245 | if (peer->default_rmap[afi][safi].name) { | |
2246 | XFREE(MTYPE_ROUTE_MAP_NAME, | |
2247 | peer->default_rmap[afi][safi].name); | |
2248 | peer->default_rmap[afi][safi].name = NULL; | |
2249 | } | |
2250 | } | |
2251 | ||
a2addae8 RW |
2252 | FOREACH_AFI_SAFI (afi, safi) |
2253 | peer_af_delete(peer, afi, safi); | |
f14e6fdb | 2254 | |
d62a17ae | 2255 | if (peer->hostname) { |
2256 | XFREE(MTYPE_BGP_PEER_HOST, peer->hostname); | |
2257 | peer->hostname = NULL; | |
2258 | } | |
f14e6fdb | 2259 | |
d62a17ae | 2260 | if (peer->domainname) { |
2261 | XFREE(MTYPE_BGP_PEER_HOST, peer->domainname); | |
2262 | peer->domainname = NULL; | |
2263 | } | |
f14e6fdb | 2264 | |
d62a17ae | 2265 | peer_unlock(peer); /* initial reference */ |
f14e6fdb | 2266 | |
d62a17ae | 2267 | return 0; |
fe7d2a48 DS |
2268 | } |
2269 | ||
d62a17ae | 2270 | static int peer_group_cmp(struct peer_group *g1, struct peer_group *g2) |
2271 | { | |
2272 | return strcmp(g1->name, g2->name); | |
6aeb9e78 DS |
2273 | } |
2274 | ||
d62a17ae | 2275 | /* Peer group cofiguration. */ |
2276 | static struct peer_group *peer_group_new(void) | |
718e3744 | 2277 | { |
d62a17ae | 2278 | return (struct peer_group *)XCALLOC(MTYPE_PEER_GROUP, |
2279 | sizeof(struct peer_group)); | |
718e3744 | 2280 | } |
2281 | ||
d62a17ae | 2282 | static void peer_group_free(struct peer_group *group) |
718e3744 | 2283 | { |
d62a17ae | 2284 | XFREE(MTYPE_PEER_GROUP, group); |
718e3744 | 2285 | } |
2286 | ||
d62a17ae | 2287 | struct peer_group *peer_group_lookup(struct bgp *bgp, const char *name) |
718e3744 | 2288 | { |
d62a17ae | 2289 | struct peer_group *group; |
2290 | struct listnode *node, *nnode; | |
2291 | ||
2292 | for (ALL_LIST_ELEMENTS(bgp->group, node, nnode, group)) { | |
2293 | if (strcmp(group->name, name) == 0) | |
2294 | return group; | |
2295 | } | |
2296 | return NULL; | |
2297 | } | |
2298 | ||
2299 | struct peer_group *peer_group_get(struct bgp *bgp, const char *name) | |
2300 | { | |
2301 | struct peer_group *group; | |
2302 | afi_t afi; | |
2303 | ||
2304 | group = peer_group_lookup(bgp, name); | |
2305 | if (group) | |
2306 | return group; | |
2307 | ||
2308 | group = peer_group_new(); | |
2309 | group->bgp = bgp; | |
2310 | if (group->name) | |
2311 | XFREE(MTYPE_PEER_GROUP_HOST, group->name); | |
2312 | group->name = XSTRDUP(MTYPE_PEER_GROUP_HOST, name); | |
2313 | group->peer = list_new(); | |
2314 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
2315 | group->listen_range[afi] = list_new(); | |
2316 | group->conf = peer_new(bgp); | |
2317 | if (!bgp_flag_check(bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
2318 | group->conf->afc[AFI_IP][SAFI_UNICAST] = 1; | |
2319 | if (group->conf->host) | |
2320 | XFREE(MTYPE_BGP_PEER_HOST, group->conf->host); | |
2321 | group->conf->host = XSTRDUP(MTYPE_BGP_PEER_HOST, name); | |
2322 | group->conf->group = group; | |
2323 | group->conf->as = 0; | |
2324 | group->conf->ttl = 1; | |
2325 | group->conf->gtsm_hops = 0; | |
2326 | group->conf->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
2327 | UNSET_FLAG(group->conf->config, PEER_CONFIG_TIMER); | |
d25e4efc | 2328 | UNSET_FLAG(group->conf->config, PEER_GROUP_CONFIG_TIMER); |
d62a17ae | 2329 | UNSET_FLAG(group->conf->config, PEER_CONFIG_CONNECT); |
2330 | group->conf->keepalive = 0; | |
2331 | group->conf->holdtime = 0; | |
2332 | group->conf->connect = 0; | |
2333 | SET_FLAG(group->conf->sflags, PEER_STATUS_GROUP); | |
2334 | listnode_add_sort(bgp->group, group); | |
718e3744 | 2335 | |
d62a17ae | 2336 | return group; |
718e3744 | 2337 | } |
2338 | ||
d62a17ae | 2339 | static void peer_group2peer_config_copy(struct peer_group *group, |
2340 | struct peer *peer) | |
ad4cbda1 | 2341 | { |
d62a17ae | 2342 | struct peer *conf; |
89898ced | 2343 | int saved_flags = 0; |
ad4cbda1 | 2344 | |
d62a17ae | 2345 | conf = group->conf; |
ad4cbda1 | 2346 | |
d62a17ae | 2347 | /* remote-as */ |
2348 | if (conf->as) | |
2349 | peer->as = conf->as; | |
718e3744 | 2350 | |
d62a17ae | 2351 | /* remote-as */ |
2352 | if (conf->change_local_as) | |
2353 | peer->change_local_as = conf->change_local_as; | |
1758dbaa | 2354 | |
d62a17ae | 2355 | /* TTL */ |
2356 | peer->ttl = conf->ttl; | |
518f0eb1 | 2357 | |
d62a17ae | 2358 | /* GTSM hops */ |
2359 | peer->gtsm_hops = conf->gtsm_hops; | |
ad12dde6 | 2360 | |
89898ced QY |
2361 | /* These are per-peer specific flags and so we must preserve them */ |
2362 | saved_flags |= CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY); | |
2363 | saved_flags |= CHECK_FLAG(peer->flags, PEER_FLAG_SHUTDOWN); | |
d62a17ae | 2364 | peer->flags = conf->flags; |
89898ced | 2365 | SET_FLAG(peer->flags, saved_flags); |
ad4cbda1 | 2366 | |
d62a17ae | 2367 | /* peer config apply */ |
2368 | peer->config = conf->config; | |
ad4cbda1 | 2369 | |
d62a17ae | 2370 | /* peer timers apply */ |
2371 | peer->holdtime = conf->holdtime; | |
2372 | peer->keepalive = conf->keepalive; | |
2373 | peer->connect = conf->connect; | |
2374 | if (CHECK_FLAG(conf->config, PEER_CONFIG_CONNECT)) | |
2375 | peer->v_connect = conf->connect; | |
2376 | else | |
2377 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
6aeb9e78 | 2378 | |
d62a17ae | 2379 | /* advertisement-interval reset */ |
2380 | if (CHECK_FLAG(conf->config, PEER_CONFIG_ROUTEADV)) | |
2381 | peer->v_routeadv = conf->routeadv; | |
2382 | else if (peer_sort(peer) == BGP_PEER_IBGP) | |
2383 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
2384 | else | |
2385 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
718e3744 | 2386 | |
d62a17ae | 2387 | /* password apply */ |
2388 | if (conf->password && !peer->password) | |
2389 | peer->password = XSTRDUP(MTYPE_PEER_PASSWORD, conf->password); | |
718e3744 | 2390 | |
d62a17ae | 2391 | if (!BGP_PEER_SU_UNSPEC(peer)) |
2392 | bgp_md5_set(peer); | |
d4a7a753 | 2393 | |
d62a17ae | 2394 | /* update-source apply */ |
2395 | if (conf->update_source) { | |
2396 | if (peer->update_source) | |
2397 | sockunion_free(peer->update_source); | |
2398 | if (peer->update_if) { | |
2399 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2400 | peer->update_if = NULL; | |
2401 | } | |
2402 | peer->update_source = sockunion_dup(conf->update_source); | |
2403 | } else if (conf->update_if) { | |
2404 | if (peer->update_if) | |
2405 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
2406 | if (peer->update_source) { | |
2407 | sockunion_free(peer->update_source); | |
2408 | peer->update_source = NULL; | |
2409 | } | |
2410 | peer->update_if = | |
2411 | XSTRDUP(MTYPE_PEER_UPDATE_SOURCE, conf->update_if); | |
2412 | } | |
cd92e548 | 2413 | |
d62a17ae | 2414 | bgp_bfd_peer_group2peer_copy(conf, peer); |
ad4cbda1 | 2415 | } |
718e3744 | 2416 | |
d62a17ae | 2417 | /* Peer group's remote AS configuration. */ |
2418 | int peer_group_remote_as(struct bgp *bgp, const char *group_name, as_t *as, | |
2419 | int as_type) | |
f14e6fdb | 2420 | { |
d62a17ae | 2421 | struct peer_group *group; |
2422 | struct peer *peer; | |
2423 | struct listnode *node, *nnode; | |
f14e6fdb | 2424 | |
d62a17ae | 2425 | group = peer_group_lookup(bgp, group_name); |
2426 | if (!group) | |
2427 | return -1; | |
f14e6fdb | 2428 | |
d62a17ae | 2429 | if ((as_type == group->conf->as_type) && (group->conf->as == *as)) |
2430 | return 0; | |
f14e6fdb | 2431 | |
f14e6fdb | 2432 | |
d62a17ae | 2433 | /* When we setup peer-group AS number all peer group member's AS |
2434 | number must be updated to same number. */ | |
2435 | peer_as_change(group->conf, *as, as_type); | |
f14e6fdb | 2436 | |
d62a17ae | 2437 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { |
2438 | if (((peer->as_type == AS_SPECIFIED) && peer->as != *as) | |
2439 | || (peer->as_type != as_type)) | |
2440 | peer_as_change(peer, *as, as_type); | |
2441 | } | |
f14e6fdb | 2442 | |
d62a17ae | 2443 | return 0; |
f14e6fdb DS |
2444 | } |
2445 | ||
d62a17ae | 2446 | int peer_group_delete(struct peer_group *group) |
f14e6fdb | 2447 | { |
d62a17ae | 2448 | struct bgp *bgp; |
2449 | struct peer *peer; | |
2450 | struct prefix *prefix; | |
2451 | struct peer *other; | |
2452 | struct listnode *node, *nnode; | |
2453 | afi_t afi; | |
f14e6fdb | 2454 | |
d62a17ae | 2455 | bgp = group->bgp; |
f14e6fdb | 2456 | |
d62a17ae | 2457 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { |
2458 | other = peer->doppelganger; | |
2459 | peer_delete(peer); | |
2460 | if (other && other->status != Deleted) { | |
2461 | other->group = NULL; | |
2462 | peer_delete(other); | |
2463 | } | |
2464 | } | |
affe9e99 | 2465 | list_delete_and_null(&group->peer); |
f14e6fdb | 2466 | |
d62a17ae | 2467 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { |
2468 | for (ALL_LIST_ELEMENTS(group->listen_range[afi], node, nnode, | |
2469 | prefix)) { | |
2470 | prefix_free(prefix); | |
2471 | } | |
affe9e99 | 2472 | list_delete_and_null(&group->listen_range[afi]); |
d62a17ae | 2473 | } |
f14e6fdb | 2474 | |
d62a17ae | 2475 | XFREE(MTYPE_PEER_GROUP_HOST, group->name); |
2476 | group->name = NULL; | |
0299c004 | 2477 | |
d62a17ae | 2478 | bfd_info_free(&(group->conf->bfd_info)); |
f14e6fdb | 2479 | |
d62a17ae | 2480 | group->conf->group = NULL; |
2481 | peer_delete(group->conf); | |
f14e6fdb | 2482 | |
d62a17ae | 2483 | /* Delete from all peer_group list. */ |
2484 | listnode_delete(bgp->group, group); | |
f14e6fdb | 2485 | |
d62a17ae | 2486 | peer_group_free(group); |
f14e6fdb | 2487 | |
d62a17ae | 2488 | return 0; |
2489 | } | |
f14e6fdb | 2490 | |
d62a17ae | 2491 | int peer_group_remote_as_delete(struct peer_group *group) |
2492 | { | |
2493 | struct peer *peer, *other; | |
2494 | struct listnode *node, *nnode; | |
f14e6fdb | 2495 | |
d62a17ae | 2496 | if ((group->conf->as_type == AS_UNSPECIFIED) |
2497 | || ((!group->conf->as) && (group->conf->as_type == AS_SPECIFIED))) | |
2498 | return 0; | |
f14e6fdb | 2499 | |
d62a17ae | 2500 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { |
2501 | other = peer->doppelganger; | |
f14e6fdb | 2502 | |
d62a17ae | 2503 | peer_delete(peer); |
f14e6fdb | 2504 | |
d62a17ae | 2505 | if (other && other->status != Deleted) { |
2506 | other->group = NULL; | |
2507 | peer_delete(other); | |
2508 | } | |
2509 | } | |
2510 | list_delete_all_node(group->peer); | |
f14e6fdb | 2511 | |
d62a17ae | 2512 | group->conf->as = 0; |
2513 | group->conf->as_type = AS_UNSPECIFIED; | |
f14e6fdb | 2514 | |
d62a17ae | 2515 | return 0; |
f14e6fdb | 2516 | } |
d62a17ae | 2517 | |
2518 | int peer_group_listen_range_add(struct peer_group *group, struct prefix *range) | |
f14e6fdb | 2519 | { |
d62a17ae | 2520 | struct prefix *prefix; |
2521 | struct listnode *node, *nnode; | |
2522 | afi_t afi; | |
f14e6fdb | 2523 | |
d62a17ae | 2524 | afi = family2afi(range->family); |
f14e6fdb | 2525 | |
d62a17ae | 2526 | /* Group needs remote AS configured. */ |
2527 | if (group->conf->as_type == AS_UNSPECIFIED) | |
2528 | return BGP_ERR_PEER_GROUP_NO_REMOTE_AS; | |
718e3744 | 2529 | |
d62a17ae | 2530 | /* Ensure no duplicates. Currently we don't care about overlaps. */ |
2531 | for (ALL_LIST_ELEMENTS(group->listen_range[afi], node, nnode, prefix)) { | |
2532 | if (prefix_same(range, prefix)) | |
2533 | return 0; | |
2534 | } | |
2535 | ||
2536 | prefix = prefix_new(); | |
2537 | prefix_copy(prefix, range); | |
2538 | listnode_add(group->listen_range[afi], prefix); | |
2539 | return 0; | |
718e3744 | 2540 | } |
6b0655a2 | 2541 | |
d62a17ae | 2542 | int peer_group_listen_range_del(struct peer_group *group, struct prefix *range) |
718e3744 | 2543 | { |
d62a17ae | 2544 | struct prefix *prefix, prefix2; |
2545 | struct listnode *node, *nnode; | |
2546 | struct peer *peer; | |
2547 | afi_t afi; | |
2548 | char buf[PREFIX2STR_BUFFER]; | |
718e3744 | 2549 | |
d62a17ae | 2550 | afi = family2afi(range->family); |
1ff9a340 | 2551 | |
d62a17ae | 2552 | /* Identify the listen range. */ |
2553 | for (ALL_LIST_ELEMENTS(group->listen_range[afi], node, nnode, prefix)) { | |
2554 | if (prefix_same(range, prefix)) | |
2555 | break; | |
1ff9a340 | 2556 | } |
718e3744 | 2557 | |
d62a17ae | 2558 | if (!prefix) |
2559 | return BGP_ERR_DYNAMIC_NEIGHBORS_RANGE_NOT_FOUND; | |
2560 | ||
2561 | prefix2str(prefix, buf, sizeof(buf)); | |
2562 | ||
2563 | /* Dispose off any dynamic neighbors that exist due to this listen range | |
2564 | */ | |
2565 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
2566 | if (!peer_dynamic_neighbor(peer)) | |
2567 | continue; | |
2568 | ||
2569 | sockunion2hostprefix(&peer->su, &prefix2); | |
2570 | if (prefix_match(prefix, &prefix2)) { | |
2571 | if (bgp_debug_neighbor_events(peer)) | |
2572 | zlog_debug( | |
2573 | "Deleting dynamic neighbor %s group %s upon " | |
2574 | "delete of listen range %s", | |
2575 | peer->host, group->name, buf); | |
2576 | peer_delete(peer); | |
2577 | } | |
2578 | } | |
718e3744 | 2579 | |
d62a17ae | 2580 | /* Get rid of the listen range */ |
2581 | listnode_delete(group->listen_range[afi], prefix); | |
718e3744 | 2582 | |
d62a17ae | 2583 | return 0; |
2584 | } | |
e0701b79 | 2585 | |
d62a17ae | 2586 | /* Bind specified peer to peer group. */ |
2587 | int peer_group_bind(struct bgp *bgp, union sockunion *su, struct peer *peer, | |
2588 | struct peer_group *group, as_t *as) | |
2589 | { | |
2590 | int first_member = 0; | |
2591 | afi_t afi; | |
2592 | safi_t safi; | |
2593 | int cap_enhe_preset = 0; | |
2594 | ||
2595 | /* Lookup the peer. */ | |
2596 | if (!peer) | |
2597 | peer = peer_lookup(bgp, su); | |
2598 | ||
2599 | /* The peer exist, bind it to the peer-group */ | |
2600 | if (peer) { | |
ed9fb826 | 2601 | /* When the peer already belongs to a peer-group, check the |
d62a17ae | 2602 | * consistency. */ |
ed9fb826 DW |
2603 | if (peer_group_active(peer)) { |
2604 | ||
2605 | /* The peer is already bound to the peer-group, | |
d8a079e8 DW |
2606 | * nothing to do |
2607 | */ | |
ed9fb826 DW |
2608 | if (strcmp(peer->group->name, group->name) == 0) |
2609 | return 0; | |
2610 | else | |
2611 | return BGP_ERR_PEER_GROUP_CANT_CHANGE; | |
2612 | } | |
d62a17ae | 2613 | |
2614 | /* The peer has not specified a remote-as, inherit it from the | |
2615 | * peer-group */ | |
2616 | if (peer->as_type == AS_UNSPECIFIED) { | |
2617 | peer->as_type = group->conf->as_type; | |
2618 | peer->as = group->conf->as; | |
2619 | } | |
718e3744 | 2620 | |
d62a17ae | 2621 | if (!group->conf->as) { |
2622 | if (peer_sort(group->conf) != BGP_PEER_INTERNAL | |
2623 | && peer_sort(group->conf) != peer_sort(peer)) { | |
2624 | if (as) | |
2625 | *as = peer->as; | |
2626 | return BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT; | |
2627 | } | |
718e3744 | 2628 | |
d62a17ae | 2629 | if (peer_sort(group->conf) == BGP_PEER_INTERNAL) |
2630 | first_member = 1; | |
2631 | } | |
718e3744 | 2632 | |
d62a17ae | 2633 | if (CHECK_FLAG(peer->flags, PEER_FLAG_CAPABILITY_ENHE)) |
2634 | cap_enhe_preset = 1; | |
2635 | ||
2636 | peer_group2peer_config_copy(group, peer); | |
2637 | ||
2638 | /* | |
2639 | * Capability extended-nexthop is enabled for an interface | |
2640 | * neighbor by | |
2641 | * default. So, fix that up here. | |
2642 | */ | |
2643 | if (peer->conf_if && cap_enhe_preset) | |
2644 | peer_flag_set(peer, PEER_FLAG_CAPABILITY_ENHE); | |
2645 | ||
05c7a1cc QY |
2646 | FOREACH_AFI_SAFI (afi, safi) { |
2647 | if (group->conf->afc[afi][safi]) { | |
2648 | peer->afc[afi][safi] = 1; | |
2649 | ||
2650 | if (peer_af_find(peer, afi, safi) | |
2651 | || peer_af_create(peer, afi, safi)) { | |
2652 | peer_group2peer_config_copy_af( | |
2653 | group, peer, afi, safi); | |
2654 | } | |
2655 | } else if (peer->afc[afi][safi]) | |
2656 | peer_deactivate(peer, afi, safi); | |
d62a17ae | 2657 | } |
2658 | ||
2659 | if (peer->group) { | |
2660 | assert(group && peer->group == group); | |
2661 | } else { | |
2662 | struct listnode *pn; | |
2663 | pn = listnode_lookup(bgp->peer, peer); | |
2664 | list_delete_node(bgp->peer, pn); | |
2665 | peer->group = group; | |
2666 | listnode_add_sort(bgp->peer, peer); | |
2667 | ||
2668 | peer = peer_lock(peer); /* group->peer list reference */ | |
2669 | listnode_add(group->peer, peer); | |
2670 | } | |
718e3744 | 2671 | |
d62a17ae | 2672 | if (first_member) { |
2673 | /* Advertisement-interval reset */ | |
2674 | if (!CHECK_FLAG(group->conf->config, | |
2675 | PEER_CONFIG_ROUTEADV)) { | |
2676 | if (peer_sort(group->conf) == BGP_PEER_IBGP) | |
2677 | group->conf->v_routeadv = | |
2678 | BGP_DEFAULT_IBGP_ROUTEADV; | |
2679 | else | |
2680 | group->conf->v_routeadv = | |
2681 | BGP_DEFAULT_EBGP_ROUTEADV; | |
2682 | } | |
2683 | ||
2684 | /* ebgp-multihop reset */ | |
2685 | if (peer_sort(group->conf) == BGP_PEER_IBGP) | |
2686 | group->conf->ttl = MAXTTL; | |
2687 | ||
2688 | /* local-as reset */ | |
2689 | if (peer_sort(group->conf) != BGP_PEER_EBGP) { | |
2690 | group->conf->change_local_as = 0; | |
2691 | UNSET_FLAG(peer->flags, | |
2692 | PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
2693 | UNSET_FLAG(peer->flags, | |
2694 | PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
2695 | } | |
2696 | } | |
718e3744 | 2697 | |
d62a17ae | 2698 | SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE); |
718e3744 | 2699 | |
d62a17ae | 2700 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { |
2701 | peer->last_reset = PEER_DOWN_RMAP_BIND; | |
2702 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
2703 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2704 | } else { | |
2705 | bgp_session_reset(peer); | |
2706 | } | |
2707 | } | |
718e3744 | 2708 | |
d62a17ae | 2709 | /* Create a new peer. */ |
2710 | else { | |
2711 | if ((group->conf->as_type == AS_SPECIFIED) | |
2712 | && (!group->conf->as)) { | |
2713 | return BGP_ERR_PEER_GROUP_NO_REMOTE_AS; | |
2714 | } | |
718e3744 | 2715 | |
d62a17ae | 2716 | peer = peer_create(su, NULL, bgp, bgp->as, group->conf->as, |
2717 | group->conf->as_type, 0, 0, group); | |
718e3744 | 2718 | |
d62a17ae | 2719 | peer = peer_lock(peer); /* group->peer list reference */ |
2720 | listnode_add(group->peer, peer); | |
718e3744 | 2721 | |
d62a17ae | 2722 | peer_group2peer_config_copy(group, peer); |
a4ed4829 | 2723 | |
d62a17ae | 2724 | /* If the peer-group is active for this afi/safi then activate |
2725 | * for this peer */ | |
05c7a1cc QY |
2726 | FOREACH_AFI_SAFI (afi, safi) { |
2727 | if (group->conf->afc[afi][safi]) { | |
2728 | peer->afc[afi][safi] = 1; | |
2729 | peer_af_create(peer, afi, safi); | |
2730 | peer_group2peer_config_copy_af(group, peer, afi, | |
2731 | safi); | |
2732 | } else if (peer->afc[afi][safi]) | |
2733 | peer_deactivate(peer, afi, safi); | |
2734 | } | |
718e3744 | 2735 | |
d62a17ae | 2736 | SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE); |
718e3744 | 2737 | |
d62a17ae | 2738 | /* Set up peer's events and timers. */ |
2739 | if (peer_active(peer)) | |
2740 | bgp_timer_set(peer); | |
2741 | } | |
718e3744 | 2742 | |
d62a17ae | 2743 | return 0; |
718e3744 | 2744 | } |
2745 | ||
d62a17ae | 2746 | int peer_group_unbind(struct bgp *bgp, struct peer *peer, |
2747 | struct peer_group *group) | |
718e3744 | 2748 | { |
d62a17ae | 2749 | struct peer *other; |
2750 | afi_t afi; | |
2751 | safi_t safi; | |
718e3744 | 2752 | |
d62a17ae | 2753 | if (group != peer->group) |
2754 | return BGP_ERR_PEER_GROUP_MISMATCH; | |
718e3744 | 2755 | |
05c7a1cc QY |
2756 | FOREACH_AFI_SAFI (afi, safi) { |
2757 | if (peer->afc[afi][safi]) { | |
2758 | peer->afc[afi][safi] = 0; | |
2759 | peer_af_flag_reset(peer, afi, safi); | |
2760 | ||
2761 | if (peer_af_delete(peer, afi, safi) != 0) { | |
2762 | zlog_err( | |
2763 | "couldn't delete af structure for peer %s", | |
2764 | peer->host); | |
d62a17ae | 2765 | } |
2766 | } | |
05c7a1cc | 2767 | } |
718e3744 | 2768 | |
d62a17ae | 2769 | assert(listnode_lookup(group->peer, peer)); |
2770 | peer_unlock(peer); /* peer group list reference */ | |
2771 | listnode_delete(group->peer, peer); | |
2772 | peer->group = NULL; | |
2773 | other = peer->doppelganger; | |
2774 | ||
2775 | if (group->conf->as) { | |
2776 | peer_delete(peer); | |
2777 | if (other && other->status != Deleted) { | |
2778 | if (other->group) { | |
2779 | peer_unlock(other); | |
2780 | listnode_delete(group->peer, other); | |
2781 | } | |
2782 | other->group = NULL; | |
2783 | peer_delete(other); | |
2784 | } | |
2785 | return 0; | |
2786 | } | |
718e3744 | 2787 | |
d62a17ae | 2788 | bgp_bfd_deregister_peer(peer); |
2789 | peer_global_config_reset(peer); | |
718e3744 | 2790 | |
d62a17ae | 2791 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { |
2792 | peer->last_reset = PEER_DOWN_RMAP_UNBIND; | |
2793 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
2794 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
2795 | } else | |
2796 | bgp_session_reset(peer); | |
c7122e14 | 2797 | |
718e3744 | 2798 | return 0; |
d62a17ae | 2799 | } |
718e3744 | 2800 | |
d62a17ae | 2801 | static int bgp_startup_timer_expire(struct thread *thread) |
2802 | { | |
2803 | struct bgp *bgp; | |
718e3744 | 2804 | |
d62a17ae | 2805 | bgp = THREAD_ARG(thread); |
2806 | bgp->t_startup = NULL; | |
718e3744 | 2807 | |
d62a17ae | 2808 | return 0; |
2809 | } | |
e0701b79 | 2810 | |
d62a17ae | 2811 | /* BGP instance creation by `router bgp' commands. */ |
2812 | static struct bgp *bgp_create(as_t *as, const char *name, | |
2813 | enum bgp_instance_type inst_type) | |
2814 | { | |
0291c246 MK |
2815 | struct bgp *bgp; |
2816 | afi_t afi; | |
2817 | safi_t safi; | |
d62a17ae | 2818 | |
2819 | if ((bgp = XCALLOC(MTYPE_BGP, sizeof(struct bgp))) == NULL) | |
2820 | return NULL; | |
2821 | ||
2822 | if (BGP_DEBUG(zebra, ZEBRA)) { | |
2823 | if (inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
2824 | zlog_debug("Creating Default VRF, AS %u", *as); | |
2825 | else | |
2826 | zlog_debug("Creating %s %s, AS %u", | |
2827 | (inst_type == BGP_INSTANCE_TYPE_VRF) | |
2828 | ? "VRF" | |
2829 | : "VIEW", | |
2830 | name, *as); | |
718e3744 | 2831 | } |
adbac85e | 2832 | |
d62a17ae | 2833 | bgp_lock(bgp); |
2834 | bgp->inst_type = inst_type; | |
2835 | bgp->vrf_id = (inst_type == BGP_INSTANCE_TYPE_DEFAULT) ? VRF_DEFAULT | |
2836 | : VRF_UNKNOWN; | |
2837 | bgp->peer_self = peer_new(bgp); | |
2838 | if (bgp->peer_self->host) | |
2839 | XFREE(MTYPE_BGP_PEER_HOST, bgp->peer_self->host); | |
2840 | bgp->peer_self->host = | |
2841 | XSTRDUP(MTYPE_BGP_PEER_HOST, "Static announcement"); | |
d77114b7 MK |
2842 | if (bgp->peer_self->hostname != NULL) { |
2843 | XFREE(MTYPE_BGP_PEER_HOST, bgp->peer_self->hostname); | |
2844 | bgp->peer_self->hostname = NULL; | |
2845 | } | |
6b3ee3a0 | 2846 | if (cmd_hostname_get()) |
60466a63 QY |
2847 | bgp->peer_self->hostname = |
2848 | XSTRDUP(MTYPE_BGP_PEER_HOST, cmd_hostname_get()); | |
d77114b7 MK |
2849 | |
2850 | if (bgp->peer_self->domainname != NULL) { | |
2851 | XFREE(MTYPE_BGP_PEER_HOST, bgp->peer_self->domainname); | |
2852 | bgp->peer_self->domainname = NULL; | |
2853 | } | |
6b3ee3a0 | 2854 | if (cmd_domainname_get()) |
60466a63 QY |
2855 | bgp->peer_self->domainname = |
2856 | XSTRDUP(MTYPE_BGP_PEER_HOST, cmd_domainname_get()); | |
d62a17ae | 2857 | bgp->peer = list_new(); |
2858 | bgp->peer->cmp = (int (*)(void *, void *))peer_cmp; | |
3f65c5b1 DS |
2859 | bgp->peerhash = hash_create(peer_hash_key_make, |
2860 | peer_hash_same, | |
2861 | "BGP Peer Hash"); | |
40520c36 | 2862 | bgp->peerhash->max_size = BGP_PEER_MAX_HASH_SIZE; |
d62a17ae | 2863 | |
2864 | bgp->group = list_new(); | |
2865 | bgp->group->cmp = (int (*)(void *, void *))peer_group_cmp; | |
2866 | ||
05c7a1cc QY |
2867 | FOREACH_AFI_SAFI (afi, safi) { |
2868 | bgp->route[afi][safi] = bgp_table_init(afi, safi); | |
2869 | bgp->aggregate[afi][safi] = bgp_table_init(afi, safi); | |
2870 | bgp->rib[afi][safi] = bgp_table_init(afi, safi); | |
2871 | ||
2872 | /* Enable maximum-paths */ | |
2873 | bgp_maximum_paths_set(bgp, afi, safi, BGP_PEER_EBGP, | |
2874 | multipath_num, 0); | |
2875 | bgp_maximum_paths_set(bgp, afi, safi, BGP_PEER_IBGP, | |
2876 | multipath_num, 0); | |
2877 | } | |
d62a17ae | 2878 | |
2879 | bgp->v_update_delay = BGP_UPDATE_DELAY_DEF; | |
2880 | bgp->default_local_pref = BGP_DEFAULT_LOCAL_PREF; | |
2881 | bgp->default_subgroup_pkt_queue_max = | |
2882 | BGP_DEFAULT_SUBGROUP_PKT_QUEUE_MAX; | |
2883 | bgp->default_holdtime = BGP_DEFAULT_HOLDTIME; | |
2884 | bgp->default_keepalive = BGP_DEFAULT_KEEPALIVE; | |
2885 | bgp->restart_time = BGP_DEFAULT_RESTART_TIME; | |
2886 | bgp->stalepath_time = BGP_DEFAULT_STALEPATH_TIME; | |
2887 | bgp->dynamic_neighbors_limit = BGP_DYNAMIC_NEIGHBORS_LIMIT_DEFAULT; | |
2888 | bgp->dynamic_neighbors_count = 0; | |
2889 | #if DFLT_BGP_IMPORT_CHECK | |
2890 | bgp_flag_set(bgp, BGP_FLAG_IMPORT_CHECK); | |
2891 | #endif | |
2892 | #if DFLT_BGP_SHOW_HOSTNAME | |
2893 | bgp_flag_set(bgp, BGP_FLAG_SHOW_HOSTNAME); | |
2894 | #endif | |
2895 | #if DFLT_BGP_LOG_NEIGHBOR_CHANGES | |
2896 | bgp_flag_set(bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES); | |
2897 | #endif | |
2898 | #if DFLT_BGP_DETERMINISTIC_MED | |
2899 | bgp_flag_set(bgp, BGP_FLAG_DETERMINISTIC_MED); | |
2900 | #endif | |
2901 | bgp->addpath_tx_id = BGP_ADDPATH_TX_ID_FOR_DEFAULT_ORIGINATE; | |
2902 | ||
2903 | bgp->as = *as; | |
2904 | ||
2905 | #if ENABLE_BGP_VNC | |
2906 | if (inst_type != BGP_INSTANCE_TYPE_VRF) { | |
2907 | bgp->rfapi = bgp_rfapi_new(bgp); | |
2908 | assert(bgp->rfapi); | |
2909 | assert(bgp->rfapi_cfg); | |
2910 | } | |
2911 | #endif /* ENABLE_BGP_VNC */ | |
adbac85e | 2912 | |
d62a17ae | 2913 | if (name) { |
2914 | bgp->name = XSTRDUP(MTYPE_BGP, name); | |
2915 | } else { | |
2916 | /* TODO - The startup timer needs to be run for the whole of BGP | |
2917 | */ | |
2918 | thread_add_timer(bm->master, bgp_startup_timer_expire, bgp, | |
2919 | bgp->restart_time, &bgp->t_startup); | |
2920 | } | |
06370dac | 2921 | |
555e09d4 QY |
2922 | atomic_store_explicit(&bgp->wpkt_quanta, BGP_WRITE_PACKET_MAX, |
2923 | memory_order_relaxed); | |
2924 | atomic_store_explicit(&bgp->rpkt_quanta, BGP_READ_PACKET_MAX, | |
2925 | memory_order_relaxed); | |
d62a17ae | 2926 | bgp->coalesce_time = BGP_DEFAULT_SUBGROUP_COALESCE_TIME; |
adbac85e | 2927 | |
d62a17ae | 2928 | QOBJ_REG(bgp, bgp); |
adbac85e | 2929 | |
d62a17ae | 2930 | update_bgp_group_init(bgp); |
2931 | bgp_evpn_init(bgp); | |
2932 | return bgp; | |
718e3744 | 2933 | } |
2934 | ||
d62a17ae | 2935 | /* Return the "default VRF" instance of BGP. */ |
2936 | struct bgp *bgp_get_default(void) | |
718e3744 | 2937 | { |
d62a17ae | 2938 | struct bgp *bgp; |
2939 | struct listnode *node, *nnode; | |
2940 | ||
2941 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) | |
2942 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
2943 | return bgp; | |
2944 | return NULL; | |
718e3744 | 2945 | } |
2946 | ||
d62a17ae | 2947 | /* Lookup BGP entry. */ |
2948 | struct bgp *bgp_lookup(as_t as, const char *name) | |
718e3744 | 2949 | { |
d62a17ae | 2950 | struct bgp *bgp; |
2951 | struct listnode *node, *nnode; | |
6b0655a2 | 2952 | |
d62a17ae | 2953 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) |
2954 | if (bgp->as == as | |
2955 | && ((bgp->name == NULL && name == NULL) | |
2956 | || (bgp->name && name && strcmp(bgp->name, name) == 0))) | |
2957 | return bgp; | |
2958 | return NULL; | |
2959 | } | |
73d70fa6 | 2960 | |
d62a17ae | 2961 | /* Lookup BGP structure by view name. */ |
2962 | struct bgp *bgp_lookup_by_name(const char *name) | |
73d70fa6 | 2963 | { |
d62a17ae | 2964 | struct bgp *bgp; |
2965 | struct listnode *node, *nnode; | |
2966 | ||
2967 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) | |
2968 | if ((bgp->name == NULL && name == NULL) | |
2969 | || (bgp->name && name && strcmp(bgp->name, name) == 0)) | |
2970 | return bgp; | |
2971 | return NULL; | |
73d70fa6 DL |
2972 | } |
2973 | ||
d62a17ae | 2974 | /* Lookup BGP instance based on VRF id. */ |
2975 | /* Note: Only to be used for incoming messages from Zebra. */ | |
2976 | struct bgp *bgp_lookup_by_vrf_id(vrf_id_t vrf_id) | |
73d70fa6 | 2977 | { |
d62a17ae | 2978 | struct vrf *vrf; |
2979 | ||
2980 | /* Lookup VRF (in tree) and follow link. */ | |
2981 | vrf = vrf_lookup_by_id(vrf_id); | |
2982 | if (!vrf) | |
2983 | return NULL; | |
2984 | return (vrf->info) ? (struct bgp *)vrf->info : NULL; | |
73d70fa6 DL |
2985 | } |
2986 | ||
d62a17ae | 2987 | /* Called from VTY commands. */ |
2988 | int bgp_get(struct bgp **bgp_val, as_t *as, const char *name, | |
2989 | enum bgp_instance_type inst_type) | |
2990 | { | |
2991 | struct bgp *bgp; | |
2992 | ||
2993 | /* Multiple instance check. */ | |
2994 | if (bgp_option_check(BGP_OPT_MULTIPLE_INSTANCE)) { | |
2995 | if (name) | |
2996 | bgp = bgp_lookup_by_name(name); | |
2997 | else | |
2998 | bgp = bgp_get_default(); | |
2999 | ||
3000 | /* Already exists. */ | |
3001 | if (bgp) { | |
3002 | if (bgp->as != *as) { | |
3003 | *as = bgp->as; | |
3004 | return BGP_ERR_INSTANCE_MISMATCH; | |
3005 | } | |
3006 | if (bgp->inst_type != inst_type) | |
3007 | return BGP_ERR_INSTANCE_MISMATCH; | |
3008 | *bgp_val = bgp; | |
3009 | return 0; | |
3010 | } | |
3011 | } else { | |
3012 | /* BGP instance name can not be specified for single instance. | |
3013 | */ | |
3014 | if (name) | |
3015 | return BGP_ERR_MULTIPLE_INSTANCE_NOT_SET; | |
3016 | ||
3017 | /* Get default BGP structure if exists. */ | |
3018 | bgp = bgp_get_default(); | |
3019 | ||
3020 | if (bgp) { | |
3021 | if (bgp->as != *as) { | |
3022 | *as = bgp->as; | |
3023 | return BGP_ERR_AS_MISMATCH; | |
3024 | } | |
3025 | *bgp_val = bgp; | |
3026 | return 0; | |
3027 | } | |
3028 | } | |
73d70fa6 | 3029 | |
d62a17ae | 3030 | bgp = bgp_create(as, name, inst_type); |
3031 | bgp_router_id_set(bgp, &bgp->router_id_zebra); | |
3032 | bgp_address_init(bgp); | |
db0e1937 | 3033 | bgp_tip_hash_init(bgp); |
d62a17ae | 3034 | bgp_scan_init(bgp); |
3035 | *bgp_val = bgp; | |
eb821189 | 3036 | |
d62a17ae | 3037 | bgp->t_rmap_def_originate_eval = NULL; |
e5cc509c | 3038 | |
d62a17ae | 3039 | /* Create BGP server socket, if first instance. */ |
3040 | if (list_isempty(bm->bgp) && !bgp_option_check(BGP_OPT_NO_LISTEN)) { | |
3041 | if (bgp_socket(bm->port, bm->address) < 0) | |
3042 | return BGP_ERR_INVALID_VALUE; | |
eb821189 | 3043 | } |
6b0655a2 | 3044 | |
d62a17ae | 3045 | listnode_add(bm->bgp, bgp); |
718e3744 | 3046 | |
d62a17ae | 3047 | /* If Default instance or VRF, link to the VRF structure, if present. */ |
3048 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT | |
3049 | || bgp->inst_type == BGP_INSTANCE_TYPE_VRF) { | |
3050 | struct vrf *vrf; | |
718e3744 | 3051 | |
d62a17ae | 3052 | vrf = bgp_vrf_lookup_by_instance_type(bgp); |
3053 | if (vrf) | |
3054 | bgp_vrf_link(bgp, vrf); | |
3055 | } | |
718e3744 | 3056 | |
d62a17ae | 3057 | /* Register with Zebra, if needed */ |
3058 | if (IS_BGP_INST_KNOWN_TO_ZEBRA(bgp)) | |
3059 | bgp_zebra_instance_register(bgp); | |
718e3744 | 3060 | |
718e3744 | 3061 | |
d62a17ae | 3062 | return 0; |
718e3744 | 3063 | } |
6b0655a2 | 3064 | |
d62a17ae | 3065 | /* |
3066 | * Make BGP instance "up". Applies only to VRFs (non-default) and | |
3067 | * implies the VRF has been learnt from Zebra. | |
3068 | */ | |
3069 | void bgp_instance_up(struct bgp *bgp) | |
718e3744 | 3070 | { |
d62a17ae | 3071 | struct peer *peer; |
3072 | struct listnode *node, *next; | |
718e3744 | 3073 | |
d62a17ae | 3074 | /* Register with zebra. */ |
3075 | bgp_zebra_instance_register(bgp); | |
718e3744 | 3076 | |
d62a17ae | 3077 | /* Kick off any peers that may have been configured. */ |
3078 | for (ALL_LIST_ELEMENTS(bgp->peer, node, next, peer)) { | |
3079 | if (!BGP_PEER_START_SUPPRESSED(peer)) | |
3080 | BGP_EVENT_ADD(peer, BGP_Start); | |
718e3744 | 3081 | } |
3082 | ||
d62a17ae | 3083 | /* Process any networks that have been configured. */ |
3084 | bgp_static_add(bgp); | |
3085 | } | |
3086 | ||
3087 | /* | |
3088 | * Make BGP instance "down". Applies only to VRFs (non-default) and | |
3089 | * implies the VRF has been deleted by Zebra. | |
3090 | */ | |
3091 | void bgp_instance_down(struct bgp *bgp) | |
3092 | { | |
3093 | struct peer *peer; | |
3094 | struct listnode *node; | |
3095 | struct listnode *next; | |
3096 | ||
3097 | /* Stop timers. */ | |
3098 | if (bgp->t_rmap_def_originate_eval) { | |
3099 | BGP_TIMER_OFF(bgp->t_rmap_def_originate_eval); | |
3100 | bgp_unlock(bgp); /* TODO - This timer is started with a lock - | |
3101 | why? */ | |
718e3744 | 3102 | } |
3103 | ||
d62a17ae | 3104 | /* Bring down peers, so corresponding routes are purged. */ |
3105 | for (ALL_LIST_ELEMENTS(bgp->peer, node, next, peer)) { | |
3106 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
3107 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
3108 | BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN); | |
3109 | else | |
3110 | bgp_session_reset(peer); | |
3111 | } | |
718e3744 | 3112 | |
d62a17ae | 3113 | /* Purge network and redistributed routes. */ |
3114 | bgp_purge_static_redist_routes(bgp); | |
ee7ca6c0 | 3115 | |
3116 | /* Cleanup registered nexthops (flags) */ | |
3117 | bgp_cleanup_nexthops(bgp); | |
718e3744 | 3118 | } |
3119 | ||
d62a17ae | 3120 | /* Delete BGP instance. */ |
3121 | int bgp_delete(struct bgp *bgp) | |
3122 | { | |
3123 | struct peer *peer; | |
3124 | struct peer_group *group; | |
3125 | struct listnode *node, *next; | |
3126 | struct vrf *vrf; | |
3127 | afi_t afi; | |
3128 | int i; | |
3129 | ||
3130 | THREAD_OFF(bgp->t_startup); | |
3131 | ||
3132 | if (BGP_DEBUG(zebra, ZEBRA)) { | |
3133 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
3134 | zlog_debug("Deleting Default VRF"); | |
3135 | else | |
3136 | zlog_debug("Deleting %s %s", | |
3137 | (bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
3138 | ? "VRF" | |
3139 | : "VIEW", | |
3140 | bgp->name); | |
718e3744 | 3141 | } |
3142 | ||
10ebe1ab MK |
3143 | /* unmap from RT list */ |
3144 | bgp_evpn_vrf_delete(bgp); | |
3145 | ||
d62a17ae | 3146 | /* Stop timers. */ |
3147 | if (bgp->t_rmap_def_originate_eval) { | |
3148 | BGP_TIMER_OFF(bgp->t_rmap_def_originate_eval); | |
3149 | bgp_unlock(bgp); /* TODO - This timer is started with a lock - | |
3150 | why? */ | |
718e3744 | 3151 | } |
3152 | ||
d62a17ae | 3153 | /* Inform peers we're going down. */ |
3154 | for (ALL_LIST_ELEMENTS(bgp->peer, node, next, peer)) { | |
3155 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
3156 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
3157 | BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN); | |
718e3744 | 3158 | } |
3159 | ||
d62a17ae | 3160 | /* Delete static routes (networks). */ |
3161 | bgp_static_delete(bgp); | |
6b0655a2 | 3162 | |
d62a17ae | 3163 | /* Unset redistribution. */ |
3164 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
3165 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
3166 | if (i != ZEBRA_ROUTE_BGP) | |
3167 | bgp_redistribute_unset(bgp, afi, i, 0); | |
718e3744 | 3168 | |
d62a17ae | 3169 | /* Free peers and peer-groups. */ |
3170 | for (ALL_LIST_ELEMENTS(bgp->group, node, next, group)) | |
3171 | peer_group_delete(group); | |
718e3744 | 3172 | |
d62a17ae | 3173 | for (ALL_LIST_ELEMENTS(bgp->peer, node, next, peer)) |
3174 | peer_delete(peer); | |
3175 | ||
3176 | if (bgp->peer_self) { | |
3177 | peer_delete(bgp->peer_self); | |
3178 | bgp->peer_self = NULL; | |
718e3744 | 3179 | } |
3180 | ||
d62a17ae | 3181 | update_bgp_group_free(bgp); |
718e3744 | 3182 | |
d62a17ae | 3183 | /* TODO - Other memory may need to be freed - e.g., NHT */ |
3184 | ||
3185 | #if ENABLE_BGP_VNC | |
3186 | rfapi_delete(bgp); | |
3187 | #endif | |
3188 | bgp_cleanup_routes(bgp); | |
718e3744 | 3189 | |
d62a17ae | 3190 | /* Remove visibility via the master list - there may however still be |
3191 | * routes to be processed still referencing the struct bgp. | |
3192 | */ | |
3193 | listnode_delete(bm->bgp, bgp); | |
5ecf5540 RW |
3194 | if (list_isempty(bm->bgp)) |
3195 | bgp_close(); | |
718e3744 | 3196 | |
d62a17ae | 3197 | /* Deregister from Zebra, if needed */ |
3198 | if (IS_BGP_INST_KNOWN_TO_ZEBRA(bgp)) | |
3199 | bgp_zebra_instance_deregister(bgp); | |
718e3744 | 3200 | |
d62a17ae | 3201 | /* Free interfaces in this instance. */ |
3202 | bgp_if_finish(bgp); | |
718e3744 | 3203 | |
d62a17ae | 3204 | vrf = bgp_vrf_lookup_by_instance_type(bgp); |
3205 | if (vrf) | |
3206 | bgp_vrf_unlink(bgp, vrf); | |
718e3744 | 3207 | |
d62a17ae | 3208 | thread_master_free_unused(bm->master); |
3209 | bgp_unlock(bgp); /* initial reference */ | |
718e3744 | 3210 | |
d62a17ae | 3211 | return 0; |
718e3744 | 3212 | } |
6b0655a2 | 3213 | |
92375c91 | 3214 | void bgp_free(struct bgp *bgp) |
d93f7ffc | 3215 | { |
d62a17ae | 3216 | afi_t afi; |
3217 | safi_t safi; | |
3218 | struct bgp_table *table; | |
3219 | struct bgp_node *rn; | |
f8265580 | 3220 | struct bgp_rmap *rmap; |
d93f7ffc | 3221 | |
d62a17ae | 3222 | QOBJ_UNREG(bgp); |
d93f7ffc | 3223 | |
affe9e99 DS |
3224 | list_delete_and_null(&bgp->group); |
3225 | list_delete_and_null(&bgp->peer); | |
966f821c | 3226 | |
d62a17ae | 3227 | if (bgp->peerhash) { |
3228 | hash_free(bgp->peerhash); | |
3229 | bgp->peerhash = NULL; | |
3230 | } | |
718e3744 | 3231 | |
05c7a1cc QY |
3232 | FOREACH_AFI_SAFI (afi, safi) { |
3233 | /* Special handling for 2-level routing tables. */ | |
3234 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
3235 | || safi == SAFI_EVPN) { | |
3236 | for (rn = bgp_table_top(bgp->rib[afi][safi]); rn; | |
3237 | rn = bgp_route_next(rn)) { | |
3238 | table = (struct bgp_table *)rn->info; | |
3239 | bgp_table_finish(&table); | |
d62a17ae | 3240 | } |
d62a17ae | 3241 | } |
05c7a1cc QY |
3242 | if (bgp->route[afi][safi]) |
3243 | bgp_table_finish(&bgp->route[afi][safi]); | |
3244 | if (bgp->aggregate[afi][safi]) | |
3245 | bgp_table_finish(&bgp->aggregate[afi][safi]); | |
3246 | if (bgp->rib[afi][safi]) | |
3247 | bgp_table_finish(&bgp->rib[afi][safi]); | |
3248 | rmap = &bgp->table_map[afi][safi]; | |
3249 | if (rmap->name) | |
3250 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); | |
3251 | } | |
718e3744 | 3252 | |
d62a17ae | 3253 | bgp_scan_finish(bgp); |
3254 | bgp_address_destroy(bgp); | |
db0e1937 | 3255 | bgp_tip_hash_destroy(bgp); |
966f821c | 3256 | |
d62a17ae | 3257 | bgp_evpn_cleanup(bgp); |
718e3744 | 3258 | |
d62a17ae | 3259 | if (bgp->name) |
3260 | XFREE(MTYPE_BGP, bgp->name); | |
966f821c | 3261 | |
d62a17ae | 3262 | XFREE(MTYPE_BGP, bgp); |
718e3744 | 3263 | } |
3264 | ||
d62a17ae | 3265 | struct peer *peer_lookup_by_conf_if(struct bgp *bgp, const char *conf_if) |
718e3744 | 3266 | { |
d62a17ae | 3267 | struct peer *peer; |
3268 | struct listnode *node, *nnode; | |
966f821c | 3269 | |
d62a17ae | 3270 | if (!conf_if) |
3271 | return NULL; | |
6b0655a2 | 3272 | |
d62a17ae | 3273 | if (bgp != NULL) { |
3274 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) | |
3275 | if (peer->conf_if && !strcmp(peer->conf_if, conf_if) | |
3276 | && !CHECK_FLAG(peer->sflags, | |
3277 | PEER_STATUS_ACCEPT_PEER)) | |
3278 | return peer; | |
3279 | } else if (bm->bgp != NULL) { | |
3280 | struct listnode *bgpnode, *nbgpnode; | |
3281 | ||
3282 | for (ALL_LIST_ELEMENTS(bm->bgp, bgpnode, nbgpnode, bgp)) | |
3283 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) | |
3284 | if (peer->conf_if | |
3285 | && !strcmp(peer->conf_if, conf_if) | |
3286 | && !CHECK_FLAG(peer->sflags, | |
3287 | PEER_STATUS_ACCEPT_PEER)) | |
3288 | return peer; | |
3289 | } | |
3290 | return NULL; | |
718e3744 | 3291 | } |
3292 | ||
d62a17ae | 3293 | struct peer *peer_lookup_by_hostname(struct bgp *bgp, const char *hostname) |
718e3744 | 3294 | { |
d62a17ae | 3295 | struct peer *peer; |
3296 | struct listnode *node, *nnode; | |
6b0655a2 | 3297 | |
d62a17ae | 3298 | if (!hostname) |
3299 | return NULL; | |
6b0655a2 | 3300 | |
d62a17ae | 3301 | if (bgp != NULL) { |
3302 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) | |
3303 | if (peer->hostname && !strcmp(peer->hostname, hostname) | |
3304 | && !CHECK_FLAG(peer->sflags, | |
3305 | PEER_STATUS_ACCEPT_PEER)) | |
3306 | return peer; | |
3307 | } else if (bm->bgp != NULL) { | |
3308 | struct listnode *bgpnode, *nbgpnode; | |
3309 | ||
3310 | for (ALL_LIST_ELEMENTS(bm->bgp, bgpnode, nbgpnode, bgp)) | |
3311 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) | |
3312 | if (peer->hostname | |
3313 | && !strcmp(peer->hostname, hostname) | |
3314 | && !CHECK_FLAG(peer->sflags, | |
3315 | PEER_STATUS_ACCEPT_PEER)) | |
3316 | return peer; | |
3317 | } | |
3318 | return NULL; | |
3319 | } | |
3320 | ||
3321 | struct peer *peer_lookup(struct bgp *bgp, union sockunion *su) | |
3322 | { | |
3323 | struct peer *peer = NULL; | |
3324 | struct peer tmp_peer; | |
3325 | ||
3326 | memset(&tmp_peer, 0, sizeof(struct peer)); | |
3327 | ||
3328 | /* | |
3329 | * We do not want to find the doppelganger peer so search for the peer | |
3330 | * in | |
3331 | * the hash that has PEER_FLAG_CONFIG_NODE | |
3332 | */ | |
3333 | SET_FLAG(tmp_peer.flags, PEER_FLAG_CONFIG_NODE); | |
3334 | ||
3335 | tmp_peer.su = *su; | |
3336 | ||
3337 | if (bgp != NULL) { | |
3338 | peer = hash_lookup(bgp->peerhash, &tmp_peer); | |
3339 | } else if (bm->bgp != NULL) { | |
3340 | struct listnode *bgpnode, *nbgpnode; | |
3341 | ||
3342 | for (ALL_LIST_ELEMENTS(bm->bgp, bgpnode, nbgpnode, bgp)) { | |
3343 | /* Skip VRFs, this function will not be invoked without | |
3344 | * an instance | |
3345 | * when examining VRFs. | |
3346 | */ | |
3347 | if (bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
3348 | continue; | |
3349 | ||
3350 | peer = hash_lookup(bgp->peerhash, &tmp_peer); | |
3351 | ||
3352 | if (peer) | |
3353 | break; | |
3354 | } | |
3355 | } | |
3356 | ||
3357 | return peer; | |
3358 | } | |
3359 | ||
3360 | struct peer *peer_create_bind_dynamic_neighbor(struct bgp *bgp, | |
3361 | union sockunion *su, | |
3362 | struct peer_group *group) | |
3363 | { | |
3364 | struct peer *peer; | |
3365 | afi_t afi; | |
3366 | safi_t safi; | |
3367 | ||
3368 | /* Create peer first; we've already checked group config is valid. */ | |
3369 | peer = peer_create(su, NULL, bgp, bgp->as, group->conf->as, | |
3370 | group->conf->as_type, 0, 0, group); | |
3371 | if (!peer) | |
3372 | return NULL; | |
3373 | ||
3374 | /* Link to group */ | |
3375 | peer = peer_lock(peer); | |
3376 | listnode_add(group->peer, peer); | |
3377 | ||
3378 | peer_group2peer_config_copy(group, peer); | |
3379 | ||
3380 | /* | |
3381 | * Bind peer for all AFs configured for the group. We don't call | |
3382 | * peer_group_bind as that is sub-optimal and does some stuff we don't | |
3383 | * want. | |
3384 | */ | |
05c7a1cc QY |
3385 | FOREACH_AFI_SAFI (afi, safi) { |
3386 | if (!group->conf->afc[afi][safi]) | |
3387 | continue; | |
3388 | peer->afc[afi][safi] = 1; | |
d62a17ae | 3389 | |
05c7a1cc QY |
3390 | if (!peer_af_find(peer, afi, safi)) |
3391 | peer_af_create(peer, afi, safi); | |
d62a17ae | 3392 | |
05c7a1cc QY |
3393 | peer_group2peer_config_copy_af(group, peer, afi, safi); |
3394 | } | |
d62a17ae | 3395 | |
3396 | /* Mark as dynamic, but also as a "config node" for other things to | |
3397 | * work. */ | |
3398 | SET_FLAG(peer->flags, PEER_FLAG_DYNAMIC_NEIGHBOR); | |
3399 | SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE); | |
3400 | ||
3401 | return peer; | |
3402 | } | |
3403 | ||
3404 | struct prefix * | |
3405 | peer_group_lookup_dynamic_neighbor_range(struct peer_group *group, | |
3406 | struct prefix *prefix) | |
3407 | { | |
3408 | struct listnode *node, *nnode; | |
3409 | struct prefix *range; | |
3410 | afi_t afi; | |
3411 | ||
3412 | afi = family2afi(prefix->family); | |
3413 | ||
3414 | if (group->listen_range[afi]) | |
3415 | for (ALL_LIST_ELEMENTS(group->listen_range[afi], node, nnode, | |
3416 | range)) | |
3417 | if (prefix_match(range, prefix)) | |
3418 | return range; | |
3419 | ||
3420 | return NULL; | |
3421 | } | |
3422 | ||
3423 | struct peer_group * | |
3424 | peer_group_lookup_dynamic_neighbor(struct bgp *bgp, struct prefix *prefix, | |
3425 | struct prefix **listen_range) | |
3426 | { | |
3427 | struct prefix *range = NULL; | |
3428 | struct peer_group *group = NULL; | |
3429 | struct listnode *node, *nnode; | |
3430 | ||
3431 | *listen_range = NULL; | |
3432 | if (bgp != NULL) { | |
3433 | for (ALL_LIST_ELEMENTS(bgp->group, node, nnode, group)) | |
3434 | if ((range = peer_group_lookup_dynamic_neighbor_range( | |
3435 | group, prefix))) | |
3436 | break; | |
3437 | } else if (bm->bgp != NULL) { | |
3438 | struct listnode *bgpnode, *nbgpnode; | |
3439 | ||
3440 | for (ALL_LIST_ELEMENTS(bm->bgp, bgpnode, nbgpnode, bgp)) | |
3441 | for (ALL_LIST_ELEMENTS(bgp->group, node, nnode, group)) | |
3442 | if ((range = peer_group_lookup_dynamic_neighbor_range( | |
3443 | group, prefix))) | |
3444 | goto found_range; | |
3445 | } | |
3446 | ||
3447 | found_range: | |
3448 | *listen_range = range; | |
3449 | return (group && range) ? group : NULL; | |
3450 | } | |
3451 | ||
3452 | struct peer *peer_lookup_dynamic_neighbor(struct bgp *bgp, union sockunion *su) | |
3453 | { | |
3454 | struct peer_group *group; | |
3455 | struct bgp *gbgp; | |
3456 | struct peer *peer; | |
3457 | struct prefix prefix; | |
3458 | struct prefix *listen_range; | |
3459 | int dncount; | |
3460 | char buf[PREFIX2STR_BUFFER]; | |
3461 | char buf1[PREFIX2STR_BUFFER]; | |
3462 | ||
3463 | sockunion2hostprefix(su, &prefix); | |
3464 | ||
3465 | /* See if incoming connection matches a configured listen range. */ | |
3466 | group = peer_group_lookup_dynamic_neighbor(bgp, &prefix, &listen_range); | |
3467 | ||
3468 | if (!group) | |
3469 | return NULL; | |
3470 | ||
3471 | ||
3472 | gbgp = group->bgp; | |
3473 | ||
3474 | if (!gbgp) | |
3475 | return NULL; | |
3476 | ||
3477 | prefix2str(&prefix, buf, sizeof(buf)); | |
3478 | prefix2str(listen_range, buf1, sizeof(buf1)); | |
3479 | ||
3480 | if (bgp_debug_neighbor_events(NULL)) | |
3481 | zlog_debug( | |
3482 | "Dynamic Neighbor %s matches group %s listen range %s", | |
3483 | buf, group->name, buf1); | |
3484 | ||
3485 | /* Are we within the listen limit? */ | |
3486 | dncount = gbgp->dynamic_neighbors_count; | |
3487 | ||
3488 | if (dncount >= gbgp->dynamic_neighbors_limit) { | |
3489 | if (bgp_debug_neighbor_events(NULL)) | |
3490 | zlog_debug("Dynamic Neighbor %s rejected - at limit %d", | |
3491 | inet_sutop(su, buf), | |
3492 | gbgp->dynamic_neighbors_limit); | |
3493 | return NULL; | |
3494 | } | |
3495 | ||
3496 | /* Ensure group is not disabled. */ | |
3497 | if (CHECK_FLAG(group->conf->flags, PEER_FLAG_SHUTDOWN)) { | |
3498 | if (bgp_debug_neighbor_events(NULL)) | |
3499 | zlog_debug( | |
3500 | "Dynamic Neighbor %s rejected - group %s disabled", | |
3501 | buf, group->name); | |
3502 | return NULL; | |
3503 | } | |
3504 | ||
3505 | /* Check that at least one AF is activated for the group. */ | |
3506 | if (!peer_group_af_configured(group)) { | |
3507 | if (bgp_debug_neighbor_events(NULL)) | |
3508 | zlog_debug( | |
3509 | "Dynamic Neighbor %s rejected - no AF activated for group %s", | |
3510 | buf, group->name); | |
3511 | return NULL; | |
3512 | } | |
3513 | ||
3514 | /* Create dynamic peer and bind to associated group. */ | |
3515 | peer = peer_create_bind_dynamic_neighbor(gbgp, su, group); | |
3516 | assert(peer); | |
3517 | ||
3518 | gbgp->dynamic_neighbors_count = ++dncount; | |
3519 | ||
3520 | if (bgp_debug_neighbor_events(peer)) | |
3521 | zlog_debug("%s Dynamic Neighbor added, group %s count %d", | |
3522 | peer->host, group->name, dncount); | |
3523 | ||
3524 | return peer; | |
3525 | } | |
3526 | ||
3527 | void peer_drop_dynamic_neighbor(struct peer *peer) | |
3528 | { | |
3529 | int dncount = -1; | |
3530 | if (peer->group && peer->group->bgp) { | |
3531 | dncount = peer->group->bgp->dynamic_neighbors_count; | |
3532 | if (dncount) | |
3533 | peer->group->bgp->dynamic_neighbors_count = --dncount; | |
3534 | } | |
3535 | if (bgp_debug_neighbor_events(peer)) | |
3536 | zlog_debug("%s dropped from group %s, count %d", peer->host, | |
3537 | peer->group->name, dncount); | |
3538 | } | |
3539 | ||
3540 | ||
3541 | /* If peer is configured at least one address family return 1. */ | |
3542 | int peer_active(struct peer *peer) | |
3543 | { | |
3544 | if (BGP_PEER_SU_UNSPEC(peer)) | |
3545 | return 0; | |
3546 | if (peer->afc[AFI_IP][SAFI_UNICAST] || peer->afc[AFI_IP][SAFI_MULTICAST] | |
3547 | || peer->afc[AFI_IP][SAFI_LABELED_UNICAST] | |
3548 | || peer->afc[AFI_IP][SAFI_MPLS_VPN] || peer->afc[AFI_IP][SAFI_ENCAP] | |
3549 | || peer->afc[AFI_IP6][SAFI_UNICAST] | |
3550 | || peer->afc[AFI_IP6][SAFI_MULTICAST] | |
3551 | || peer->afc[AFI_IP6][SAFI_LABELED_UNICAST] | |
3552 | || peer->afc[AFI_IP6][SAFI_MPLS_VPN] | |
3553 | || peer->afc[AFI_IP6][SAFI_ENCAP] | |
3554 | || peer->afc[AFI_L2VPN][SAFI_EVPN]) | |
3555 | return 1; | |
3556 | return 0; | |
3557 | } | |
3558 | ||
3559 | /* If peer is negotiated at least one address family return 1. */ | |
3560 | int 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_LABELED_UNICAST] | |
3565 | || peer->afc_nego[AFI_IP][SAFI_MPLS_VPN] | |
3566 | || peer->afc_nego[AFI_IP][SAFI_ENCAP] | |
3567 | || peer->afc_nego[AFI_IP6][SAFI_UNICAST] | |
3568 | || peer->afc_nego[AFI_IP6][SAFI_MULTICAST] | |
3569 | || peer->afc_nego[AFI_IP6][SAFI_LABELED_UNICAST] | |
3570 | || peer->afc_nego[AFI_IP6][SAFI_MPLS_VPN] | |
3571 | || peer->afc_nego[AFI_IP6][SAFI_ENCAP] | |
3572 | || peer->afc_nego[AFI_L2VPN][SAFI_EVPN]) | |
3573 | return 1; | |
3574 | return 0; | |
3575 | } | |
3576 | ||
3577 | /* peer_flag_change_type. */ | |
3578 | enum peer_change_type { | |
3579 | peer_change_none, | |
3580 | peer_change_reset, | |
3581 | peer_change_reset_in, | |
3582 | peer_change_reset_out, | |
3583 | }; | |
3584 | ||
3585 | static void peer_change_action(struct peer *peer, afi_t afi, safi_t safi, | |
3586 | enum peer_change_type type) | |
3587 | { | |
3588 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) | |
3589 | return; | |
3590 | ||
3591 | if (peer->status != Established) | |
3592 | return; | |
3593 | ||
3594 | if (type == peer_change_reset) { | |
3595 | /* If we're resetting session, we've to delete both peer struct | |
3596 | */ | |
3597 | if ((peer->doppelganger) | |
3598 | && (peer->doppelganger->status != Deleted) | |
3599 | && (!CHECK_FLAG(peer->doppelganger->flags, | |
3600 | PEER_FLAG_CONFIG_NODE))) | |
3601 | peer_delete(peer->doppelganger); | |
3602 | ||
3603 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
3604 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3605 | } else if (type == peer_change_reset_in) { | |
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 { | |
3610 | if ((peer->doppelganger) | |
3611 | && (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 | } | |
3619 | } else if (type == peer_change_reset_out) { | |
3620 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
3621 | bgp_announce_route(peer, afi, safi); | |
3622 | } | |
3623 | } | |
3624 | ||
3625 | struct peer_flag_action { | |
3626 | /* Peer's flag. */ | |
3627 | u_int32_t flag; | |
3628 | ||
3629 | /* This flag can be set for peer-group member. */ | |
3630 | u_char not_for_member; | |
3631 | ||
3632 | /* Action when the flag is changed. */ | |
3633 | enum peer_change_type type; | |
3634 | ||
3635 | /* Peer down cause */ | |
3636 | u_char peer_down; | |
3637 | }; | |
3638 | ||
3639 | static const struct peer_flag_action peer_flag_action_list[] = { | |
3640 | {PEER_FLAG_PASSIVE, 0, peer_change_reset}, | |
3641 | {PEER_FLAG_SHUTDOWN, 0, peer_change_reset}, | |
3642 | {PEER_FLAG_DONT_CAPABILITY, 0, peer_change_none}, | |
3643 | {PEER_FLAG_OVERRIDE_CAPABILITY, 0, peer_change_none}, | |
3644 | {PEER_FLAG_STRICT_CAP_MATCH, 0, peer_change_none}, | |
3645 | {PEER_FLAG_DYNAMIC_CAPABILITY, 0, peer_change_reset}, | |
3646 | {PEER_FLAG_DISABLE_CONNECTED_CHECK, 0, peer_change_reset}, | |
3647 | {PEER_FLAG_CAPABILITY_ENHE, 0, peer_change_reset}, | |
3648 | {0, 0, 0}}; | |
3649 | ||
3650 | static const struct peer_flag_action peer_af_flag_action_list[] = { | |
3651 | {PEER_FLAG_SEND_COMMUNITY, 1, peer_change_reset_out}, | |
3652 | {PEER_FLAG_SEND_EXT_COMMUNITY, 1, peer_change_reset_out}, | |
3653 | {PEER_FLAG_SEND_LARGE_COMMUNITY, 1, peer_change_reset_out}, | |
3654 | {PEER_FLAG_NEXTHOP_SELF, 1, peer_change_reset_out}, | |
3655 | {PEER_FLAG_REFLECTOR_CLIENT, 1, peer_change_reset}, | |
3656 | {PEER_FLAG_RSERVER_CLIENT, 1, peer_change_reset}, | |
3657 | {PEER_FLAG_SOFT_RECONFIG, 0, peer_change_reset_in}, | |
3658 | {PEER_FLAG_AS_PATH_UNCHANGED, 1, peer_change_reset_out}, | |
3659 | {PEER_FLAG_NEXTHOP_UNCHANGED, 1, peer_change_reset_out}, | |
3660 | {PEER_FLAG_MED_UNCHANGED, 1, peer_change_reset_out}, | |
3661 | // PEER_FLAG_DEFAULT_ORIGINATE | |
3662 | {PEER_FLAG_REMOVE_PRIVATE_AS, 1, peer_change_reset_out}, | |
3663 | {PEER_FLAG_ALLOWAS_IN, 0, peer_change_reset_in}, | |
3664 | {PEER_FLAG_ALLOWAS_IN_ORIGIN, 0, peer_change_reset_in}, | |
3665 | {PEER_FLAG_ORF_PREFIX_SM, 1, peer_change_reset}, | |
3666 | {PEER_FLAG_ORF_PREFIX_RM, 1, peer_change_reset}, | |
3667 | // PEER_FLAG_MAX_PREFIX | |
3668 | // PEER_FLAG_MAX_PREFIX_WARNING | |
3669 | {PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED, 0, peer_change_reset_out}, | |
3670 | {PEER_FLAG_FORCE_NEXTHOP_SELF, 1, peer_change_reset_out}, | |
3671 | {PEER_FLAG_REMOVE_PRIVATE_AS_ALL, 1, peer_change_reset_out}, | |
3672 | {PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE, 1, peer_change_reset_out}, | |
3673 | {PEER_FLAG_AS_OVERRIDE, 1, peer_change_reset_out}, | |
3674 | {PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE, 1, peer_change_reset_out}, | |
3675 | {PEER_FLAG_ADDPATH_TX_ALL_PATHS, 1, peer_change_reset}, | |
3676 | {PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS, 1, peer_change_reset}, | |
3677 | {PEER_FLAG_WEIGHT, 0, peer_change_reset_in}, | |
3678 | {0, 0, 0}}; | |
3679 | ||
3680 | /* Proper action set. */ | |
3681 | static int peer_flag_action_set(const struct peer_flag_action *action_list, | |
3682 | int size, struct peer_flag_action *action, | |
3683 | u_int32_t flag) | |
3684 | { | |
3685 | int i; | |
3686 | int found = 0; | |
3687 | int reset_in = 0; | |
3688 | int reset_out = 0; | |
3689 | const struct peer_flag_action *match = NULL; | |
3690 | ||
3691 | /* Check peer's frag action. */ | |
3692 | for (i = 0; i < size; i++) { | |
3693 | match = &action_list[i]; | |
3694 | ||
3695 | if (match->flag == 0) | |
3696 | break; | |
3697 | ||
3698 | if (match->flag & flag) { | |
3699 | found = 1; | |
3700 | ||
3701 | if (match->type == peer_change_reset_in) | |
3702 | reset_in = 1; | |
3703 | if (match->type == peer_change_reset_out) | |
3704 | reset_out = 1; | |
3705 | if (match->type == peer_change_reset) { | |
3706 | reset_in = 1; | |
3707 | reset_out = 1; | |
3708 | } | |
3709 | if (match->not_for_member) | |
3710 | action->not_for_member = 1; | |
3711 | } | |
3712 | } | |
3713 | ||
3714 | /* Set peer clear type. */ | |
3715 | if (reset_in && reset_out) | |
3716 | action->type = peer_change_reset; | |
3717 | else if (reset_in) | |
3718 | action->type = peer_change_reset_in; | |
3719 | else if (reset_out) | |
3720 | action->type = peer_change_reset_out; | |
3721 | else | |
3722 | action->type = peer_change_none; | |
3723 | ||
3724 | return found; | |
3725 | } | |
3726 | ||
3727 | static void peer_flag_modify_action(struct peer *peer, u_int32_t flag) | |
3728 | { | |
3729 | if (flag == PEER_FLAG_SHUTDOWN) { | |
3730 | if (CHECK_FLAG(peer->flags, flag)) { | |
3731 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_NSF_WAIT)) | |
3732 | peer_nsf_stop(peer); | |
3733 | ||
3734 | UNSET_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); | |
3735 | if (peer->t_pmax_restart) { | |
3736 | BGP_TIMER_OFF(peer->t_pmax_restart); | |
3737 | if (bgp_debug_neighbor_events(peer)) | |
3738 | zlog_debug( | |
3739 | "%s Maximum-prefix restart timer canceled", | |
3740 | peer->host); | |
3741 | } | |
3742 | ||
3743 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_NSF_WAIT)) | |
3744 | peer_nsf_stop(peer); | |
3745 | ||
3746 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
3747 | char *msg = peer->tx_shutdown_message; | |
3748 | size_t msglen; | |
3749 | ||
3750 | if (!msg && peer_group_active(peer)) | |
3751 | msg = peer->group->conf | |
3752 | ->tx_shutdown_message; | |
3753 | msglen = msg ? strlen(msg) : 0; | |
3754 | if (msglen > 128) | |
3755 | msglen = 128; | |
3756 | ||
3757 | if (msglen) { | |
3758 | u_char msgbuf[129]; | |
3759 | ||
3760 | msgbuf[0] = msglen; | |
3761 | memcpy(msgbuf + 1, msg, msglen); | |
3762 | ||
3763 | bgp_notify_send_with_data( | |
3764 | peer, BGP_NOTIFY_CEASE, | |
3765 | BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN, | |
3766 | msgbuf, msglen + 1); | |
3767 | } else | |
3768 | bgp_notify_send( | |
3769 | peer, BGP_NOTIFY_CEASE, | |
3770 | BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN); | |
3771 | } else | |
3772 | bgp_session_reset(peer); | |
3773 | } else { | |
3774 | peer->v_start = BGP_INIT_START_TIMER; | |
3775 | BGP_EVENT_ADD(peer, BGP_Stop); | |
3776 | } | |
3777 | } else if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
3778 | if (flag == PEER_FLAG_DYNAMIC_CAPABILITY) | |
3779 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
3780 | else if (flag == PEER_FLAG_PASSIVE) | |
3781 | peer->last_reset = PEER_DOWN_PASSIVE_CHANGE; | |
3782 | else if (flag == PEER_FLAG_DISABLE_CONNECTED_CHECK) | |
3783 | peer->last_reset = PEER_DOWN_MULTIHOP_CHANGE; | |
3784 | ||
3785 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
3786 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
3787 | } else | |
3788 | bgp_session_reset(peer); | |
3789 | } | |
3790 | ||
3791 | /* Change specified peer flag. */ | |
3792 | static int peer_flag_modify(struct peer *peer, u_int32_t flag, int set) | |
3793 | { | |
3794 | int found; | |
3795 | int size; | |
3796 | struct peer_group *group; | |
3797 | struct peer *tmp_peer; | |
3798 | struct listnode *node, *nnode; | |
3799 | struct peer_flag_action action; | |
3800 | ||
3801 | memset(&action, 0, sizeof(struct peer_flag_action)); | |
3802 | size = sizeof peer_flag_action_list / sizeof(struct peer_flag_action); | |
3803 | ||
3804 | found = peer_flag_action_set(peer_flag_action_list, size, &action, | |
3805 | flag); | |
3806 | ||
3807 | /* No flag action is found. */ | |
3808 | if (!found) | |
3809 | return BGP_ERR_INVALID_FLAG; | |
3810 | ||
3811 | /* When unset the peer-group member's flag we have to check | |
3812 | peer-group configuration. */ | |
3813 | if (!set && peer_group_active(peer)) | |
3814 | if (CHECK_FLAG(peer->group->conf->flags, flag)) { | |
3815 | if (flag == PEER_FLAG_SHUTDOWN) | |
3816 | return BGP_ERR_PEER_GROUP_SHUTDOWN; | |
3817 | } | |
3818 | ||
3819 | /* Flag conflict check. */ | |
3820 | if (set && CHECK_FLAG(peer->flags | flag, PEER_FLAG_STRICT_CAP_MATCH) | |
3821 | && CHECK_FLAG(peer->flags | flag, PEER_FLAG_OVERRIDE_CAPABILITY)) | |
3822 | return BGP_ERR_PEER_FLAG_CONFLICT; | |
3823 | ||
3824 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
3825 | if (set && CHECK_FLAG(peer->flags, flag) == flag) | |
3826 | return 0; | |
3827 | if (!set && !CHECK_FLAG(peer->flags, flag)) | |
3828 | return 0; | |
3829 | } | |
3830 | ||
3831 | if (set) | |
3832 | SET_FLAG(peer->flags, flag); | |
3833 | else | |
3834 | UNSET_FLAG(peer->flags, flag); | |
3835 | ||
3836 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
3837 | if (action.type == peer_change_reset) | |
3838 | peer_flag_modify_action(peer, flag); | |
3839 | ||
3840 | return 0; | |
3841 | } | |
3842 | ||
3843 | /* peer-group member updates. */ | |
3844 | group = peer->group; | |
3845 | ||
3846 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, tmp_peer)) { | |
3847 | ||
3848 | if (set && CHECK_FLAG(tmp_peer->flags, flag) == flag) | |
3849 | continue; | |
3850 | ||
3851 | if (!set && !CHECK_FLAG(tmp_peer->flags, flag)) | |
3852 | continue; | |
3853 | ||
3854 | if (set) | |
3855 | SET_FLAG(tmp_peer->flags, flag); | |
3856 | else | |
3857 | UNSET_FLAG(tmp_peer->flags, flag); | |
3858 | ||
3859 | if (action.type == peer_change_reset) | |
3860 | peer_flag_modify_action(tmp_peer, flag); | |
3861 | } | |
3862 | return 0; | |
3863 | } | |
3864 | ||
3865 | int peer_flag_set(struct peer *peer, u_int32_t flag) | |
3866 | { | |
3867 | return peer_flag_modify(peer, flag, 1); | |
3868 | } | |
3869 | ||
3870 | int peer_flag_unset(struct peer *peer, u_int32_t flag) | |
3871 | { | |
3872 | return peer_flag_modify(peer, flag, 0); | |
3873 | } | |
3874 | ||
3875 | static int peer_af_flag_modify(struct peer *peer, afi_t afi, safi_t safi, | |
3876 | u_int32_t flag, int set) | |
3877 | { | |
3878 | int found; | |
3879 | int size; | |
3880 | struct listnode *node, *nnode; | |
3881 | struct peer_group *group; | |
3882 | struct peer_flag_action action; | |
3883 | struct peer *tmp_peer; | |
3884 | struct bgp *bgp; | |
3885 | int addpath_tx_used; | |
3886 | ||
3887 | memset(&action, 0, sizeof(struct peer_flag_action)); | |
3888 | size = sizeof peer_af_flag_action_list | |
3889 | / sizeof(struct peer_flag_action); | |
3890 | ||
3891 | found = peer_flag_action_set(peer_af_flag_action_list, size, &action, | |
3892 | flag); | |
3893 | ||
3894 | /* No flag action is found. */ | |
3895 | if (!found) | |
3896 | return BGP_ERR_INVALID_FLAG; | |
3897 | ||
3898 | /* Special check for reflector client. */ | |
3899 | if (flag & PEER_FLAG_REFLECTOR_CLIENT | |
3900 | && peer_sort(peer) != BGP_PEER_IBGP) | |
3901 | return BGP_ERR_NOT_INTERNAL_PEER; | |
3902 | ||
3903 | /* Special check for remove-private-AS. */ | |
3904 | if (flag & PEER_FLAG_REMOVE_PRIVATE_AS | |
3905 | && peer_sort(peer) == BGP_PEER_IBGP) | |
3906 | return BGP_ERR_REMOVE_PRIVATE_AS; | |
3907 | ||
3908 | /* as-override is not allowed for IBGP peers */ | |
3909 | if (flag & PEER_FLAG_AS_OVERRIDE && peer_sort(peer) == BGP_PEER_IBGP) | |
3910 | return BGP_ERR_AS_OVERRIDE; | |
3911 | ||
3912 | /* When current flag configuration is same as requested one. */ | |
3913 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
3914 | if (set && CHECK_FLAG(peer->af_flags[afi][safi], flag) == flag) | |
3915 | return 0; | |
3916 | if (!set && !CHECK_FLAG(peer->af_flags[afi][safi], flag)) | |
3917 | return 0; | |
3918 | } | |
3919 | ||
3920 | if (set) | |
3921 | SET_FLAG(peer->af_flags[afi][safi], flag); | |
3922 | else | |
3923 | UNSET_FLAG(peer->af_flags[afi][safi], flag); | |
3924 | ||
3925 | /* Execute action when peer is established. */ | |
3926 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP) | |
3927 | && peer->status == Established) { | |
3928 | if (!set && flag == PEER_FLAG_SOFT_RECONFIG) | |
3929 | bgp_clear_adj_in(peer, afi, safi); | |
3930 | else { | |
3931 | if (flag == PEER_FLAG_REFLECTOR_CLIENT) | |
3932 | peer->last_reset = PEER_DOWN_RR_CLIENT_CHANGE; | |
3933 | else if (flag == PEER_FLAG_RSERVER_CLIENT) | |
3934 | peer->last_reset = PEER_DOWN_RS_CLIENT_CHANGE; | |
3935 | else if (flag == PEER_FLAG_ORF_PREFIX_SM) | |
3936 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
3937 | else if (flag == PEER_FLAG_ORF_PREFIX_RM) | |
3938 | peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; | |
3939 | ||
3940 | peer_change_action(peer, afi, safi, action.type); | |
3941 | } | |
3942 | } | |
3943 | ||
3944 | /* Peer group member updates. */ | |
3945 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
3946 | group = peer->group; | |
3947 | ||
3948 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, tmp_peer)) { | |
3949 | if (set | |
3950 | && CHECK_FLAG(tmp_peer->af_flags[afi][safi], flag) | |
3951 | == flag) | |
3952 | continue; | |
3953 | ||
3954 | if (!set | |
3955 | && !CHECK_FLAG(tmp_peer->af_flags[afi][safi], flag)) | |
3956 | continue; | |
3957 | ||
3958 | if (set) | |
3959 | SET_FLAG(tmp_peer->af_flags[afi][safi], flag); | |
3960 | else | |
3961 | UNSET_FLAG(tmp_peer->af_flags[afi][safi], flag); | |
3962 | ||
3963 | if (tmp_peer->status == Established) { | |
3964 | if (!set && flag == PEER_FLAG_SOFT_RECONFIG) | |
3965 | bgp_clear_adj_in(tmp_peer, afi, safi); | |
3966 | else { | |
3967 | if (flag == PEER_FLAG_REFLECTOR_CLIENT) | |
3968 | tmp_peer->last_reset = | |
3969 | PEER_DOWN_RR_CLIENT_CHANGE; | |
3970 | else if (flag | |
3971 | == PEER_FLAG_RSERVER_CLIENT) | |
3972 | tmp_peer->last_reset = | |
3973 | PEER_DOWN_RS_CLIENT_CHANGE; | |
3974 | else if (flag | |
3975 | == PEER_FLAG_ORF_PREFIX_SM) | |
3976 | tmp_peer->last_reset = | |
3977 | PEER_DOWN_CAPABILITY_CHANGE; | |
3978 | else if (flag | |
3979 | == PEER_FLAG_ORF_PREFIX_RM) | |
3980 | tmp_peer->last_reset = | |
3981 | PEER_DOWN_CAPABILITY_CHANGE; | |
3982 | ||
3983 | peer_change_action(tmp_peer, afi, safi, | |
3984 | action.type); | |
3985 | } | |
3986 | } | |
3987 | } | |
3988 | } | |
3989 | ||
3990 | /* Track if addpath TX is in use */ | |
9d303b37 DL |
3991 | if (flag & (PEER_FLAG_ADDPATH_TX_ALL_PATHS |
3992 | | PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS)) { | |
d62a17ae | 3993 | bgp = peer->bgp; |
3994 | addpath_tx_used = 0; | |
3995 | ||
3996 | if (set) { | |
3997 | addpath_tx_used = 1; | |
3998 | ||
3999 | if (flag & PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS) { | |
4000 | if (!bgp_flag_check( | |
4001 | bgp, BGP_FLAG_DETERMINISTIC_MED)) { | |
4002 | zlog_warn( | |
4003 | "%s: enabling bgp deterministic-med, this is required" | |
4004 | " for addpath-tx-bestpath-per-AS", | |
4005 | peer->host); | |
4006 | bgp_flag_set( | |
4007 | bgp, | |
4008 | BGP_FLAG_DETERMINISTIC_MED); | |
4009 | bgp_recalculate_all_bestpaths(bgp); | |
4010 | } | |
4011 | } | |
4012 | } else { | |
4013 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, | |
4014 | tmp_peer)) { | |
4015 | if (CHECK_FLAG(tmp_peer->af_flags[afi][safi], | |
4016 | PEER_FLAG_ADDPATH_TX_ALL_PATHS) | |
4017 | || CHECK_FLAG( | |
4018 | tmp_peer->af_flags[afi][safi], | |
4019 | PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS)) { | |
4020 | addpath_tx_used = 1; | |
4021 | break; | |
4022 | } | |
4023 | } | |
4024 | } | |
4025 | ||
4026 | bgp->addpath_tx_used[afi][safi] = addpath_tx_used; | |
4027 | } | |
4028 | ||
4029 | return 0; | |
4030 | } | |
4031 | ||
4032 | int peer_af_flag_set(struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag) | |
4033 | { | |
4034 | return peer_af_flag_modify(peer, afi, safi, flag, 1); | |
4035 | } | |
4036 | ||
4037 | int peer_af_flag_unset(struct peer *peer, afi_t afi, safi_t safi, | |
4038 | u_int32_t flag) | |
4039 | { | |
4040 | return peer_af_flag_modify(peer, afi, safi, flag, 0); | |
4041 | } | |
4042 | ||
4043 | ||
4044 | int peer_tx_shutdown_message_set(struct peer *peer, const char *msg) | |
4045 | { | |
4046 | XFREE(MTYPE_PEER_TX_SHUTDOWN_MSG, peer->tx_shutdown_message); | |
4047 | peer->tx_shutdown_message = | |
4048 | msg ? XSTRDUP(MTYPE_PEER_TX_SHUTDOWN_MSG, msg) : NULL; | |
4049 | return 0; | |
4050 | } | |
4051 | ||
4052 | int peer_tx_shutdown_message_unset(struct peer *peer) | |
4053 | { | |
4054 | XFREE(MTYPE_PEER_TX_SHUTDOWN_MSG, peer->tx_shutdown_message); | |
4055 | return 0; | |
4056 | } | |
4057 | ||
4058 | ||
4059 | /* EBGP multihop configuration. */ | |
4060 | int peer_ebgp_multihop_set(struct peer *peer, int ttl) | |
4061 | { | |
4062 | struct peer_group *group; | |
4063 | struct listnode *node, *nnode; | |
4064 | struct peer *peer1; | |
4065 | ||
4066 | if (peer->sort == BGP_PEER_IBGP || peer->conf_if) | |
4067 | return 0; | |
4068 | ||
4069 | /* see comment in peer_ttl_security_hops_set() */ | |
4070 | if (ttl != MAXTTL) { | |
4071 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4072 | group = peer->group; | |
4073 | if (group->conf->gtsm_hops != 0) | |
4074 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4075 | ||
4076 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, | |
4077 | peer1)) { | |
4078 | if (peer1->sort == BGP_PEER_IBGP) | |
4079 | continue; | |
4080 | ||
4081 | if (peer1->gtsm_hops != 0) | |
4082 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4083 | } | |
4084 | } else { | |
4085 | if (peer->gtsm_hops != 0) | |
4086 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4087 | } | |
4088 | } | |
4089 | ||
4090 | peer->ttl = ttl; | |
4091 | ||
4092 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4093 | if (peer->fd >= 0 && peer->sort != BGP_PEER_IBGP) { | |
4094 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
4095 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
4096 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4097 | else | |
4098 | bgp_session_reset(peer); | |
4099 | } | |
4100 | } else { | |
4101 | group = peer->group; | |
4102 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4103 | if (peer->sort == BGP_PEER_IBGP) | |
4104 | continue; | |
4105 | ||
4106 | peer->ttl = group->conf->ttl; | |
4107 | ||
4108 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
4109 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
4110 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4111 | else | |
4112 | bgp_session_reset(peer); | |
4113 | } | |
4114 | } | |
4115 | return 0; | |
4116 | } | |
4117 | ||
4118 | int peer_ebgp_multihop_unset(struct peer *peer) | |
4119 | { | |
4120 | struct peer_group *group; | |
4121 | struct listnode *node, *nnode; | |
4122 | ||
4123 | if (peer->sort == BGP_PEER_IBGP) | |
4124 | return 0; | |
4125 | ||
4126 | if (peer->gtsm_hops != 0 && peer->ttl != MAXTTL) | |
4127 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
4128 | ||
4129 | if (peer_group_active(peer)) | |
4130 | peer->ttl = peer->group->conf->ttl; | |
4131 | else | |
4132 | peer->ttl = 1; | |
4133 | ||
4134 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4135 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
4136 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
4137 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4138 | else | |
4139 | bgp_session_reset(peer); | |
4140 | } else { | |
4141 | group = peer->group; | |
4142 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4143 | if (peer->sort == BGP_PEER_IBGP) | |
4144 | continue; | |
4145 | ||
4146 | peer->ttl = 1; | |
4147 | ||
4148 | if (peer->fd >= 0) { | |
4149 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
4150 | bgp_notify_send( | |
4151 | peer, BGP_NOTIFY_CEASE, | |
4152 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4153 | else | |
4154 | bgp_session_reset(peer); | |
4155 | } | |
4156 | } | |
4157 | } | |
4158 | return 0; | |
4159 | } | |
4160 | ||
4161 | /* Neighbor description. */ | |
4162 | int peer_description_set(struct peer *peer, const char *desc) | |
4163 | { | |
4164 | if (peer->desc) | |
4165 | XFREE(MTYPE_PEER_DESC, peer->desc); | |
4166 | ||
4167 | peer->desc = XSTRDUP(MTYPE_PEER_DESC, desc); | |
4168 | ||
4169 | return 0; | |
4170 | } | |
4171 | ||
4172 | int peer_description_unset(struct peer *peer) | |
4173 | { | |
4174 | if (peer->desc) | |
4175 | XFREE(MTYPE_PEER_DESC, peer->desc); | |
4176 | ||
4177 | peer->desc = NULL; | |
4178 | ||
4179 | return 0; | |
4180 | } | |
4181 | ||
4182 | /* Neighbor update-source. */ | |
4183 | int peer_update_source_if_set(struct peer *peer, const char *ifname) | |
4184 | { | |
4185 | struct peer_group *group; | |
4186 | struct listnode *node, *nnode; | |
4187 | ||
4188 | if (peer->update_if) { | |
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 | sockunion_free(peer->update_source); | |
4199 | peer->update_source = NULL; | |
4200 | } | |
4201 | ||
4202 | peer->update_if = XSTRDUP(MTYPE_PEER_UPDATE_SOURCE, ifname); | |
4203 | ||
4204 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4205 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
4206 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4207 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
4208 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4209 | } else | |
4210 | bgp_session_reset(peer); | |
4211 | return 0; | |
4212 | } | |
4213 | ||
4214 | /* peer-group member updates. */ | |
4215 | group = peer->group; | |
4216 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4217 | if (peer->update_if) { | |
4218 | if (strcmp(peer->update_if, ifname) == 0) | |
4219 | continue; | |
4220 | ||
4221 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4222 | peer->update_if = NULL; | |
4223 | } | |
4224 | ||
4225 | if (peer->update_source) { | |
4226 | sockunion_free(peer->update_source); | |
4227 | peer->update_source = NULL; | |
4228 | } | |
4229 | ||
4230 | peer->update_if = XSTRDUP(MTYPE_PEER_UPDATE_SOURCE, ifname); | |
4231 | ||
4232 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
4233 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4234 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
4235 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4236 | } else | |
4237 | bgp_session_reset(peer); | |
4238 | } | |
4239 | return 0; | |
4240 | } | |
4241 | ||
4242 | int peer_update_source_addr_set(struct peer *peer, const union sockunion *su) | |
4243 | { | |
4244 | struct peer_group *group; | |
4245 | struct listnode *node, *nnode; | |
4246 | ||
4247 | if (peer->update_source) { | |
4248 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP) | |
4249 | && sockunion_cmp(peer->update_source, su) == 0) | |
4250 | return 0; | |
4251 | sockunion_free(peer->update_source); | |
4252 | peer->update_source = NULL; | |
4253 | } | |
4254 | ||
4255 | if (peer->update_if) { | |
4256 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4257 | peer->update_if = NULL; | |
4258 | } | |
4259 | ||
4260 | peer->update_source = sockunion_dup(su); | |
4261 | ||
4262 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4263 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
4264 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4265 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
4266 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4267 | } else | |
4268 | bgp_session_reset(peer); | |
4269 | return 0; | |
4270 | } | |
4271 | ||
4272 | /* peer-group member updates. */ | |
4273 | group = peer->group; | |
4274 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4275 | if (peer->update_source) { | |
4276 | if (sockunion_cmp(peer->update_source, su) == 0) | |
4277 | continue; | |
4278 | sockunion_free(peer->update_source); | |
4279 | peer->update_source = NULL; | |
4280 | } | |
4281 | ||
4282 | if (peer->update_if) { | |
4283 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4284 | peer->update_if = NULL; | |
4285 | } | |
4286 | ||
4287 | peer->update_source = sockunion_dup(su); | |
4288 | ||
4289 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
4290 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4291 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
4292 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4293 | } else | |
4294 | bgp_session_reset(peer); | |
4295 | } | |
4296 | return 0; | |
4297 | } | |
4298 | ||
4299 | int peer_update_source_unset(struct peer *peer) | |
4300 | { | |
4301 | union sockunion *su; | |
4302 | struct peer_group *group; | |
4303 | struct listnode *node, *nnode; | |
4304 | ||
4305 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP) && !peer->update_source | |
4306 | && !peer->update_if) | |
4307 | return 0; | |
4308 | ||
4309 | if (peer->update_source) { | |
4310 | sockunion_free(peer->update_source); | |
4311 | peer->update_source = NULL; | |
4312 | } | |
4313 | if (peer->update_if) { | |
4314 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4315 | peer->update_if = NULL; | |
4316 | } | |
4317 | ||
4318 | if (peer_group_active(peer)) { | |
4319 | group = peer->group; | |
4320 | ||
4321 | if (group->conf->update_source) { | |
4322 | su = sockunion_dup(group->conf->update_source); | |
4323 | peer->update_source = su; | |
4324 | } else if (group->conf->update_if) | |
4325 | peer->update_if = XSTRDUP(MTYPE_PEER_UPDATE_SOURCE, | |
4326 | group->conf->update_if); | |
4327 | } | |
4328 | ||
4329 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4330 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
4331 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4332 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
4333 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4334 | } else | |
4335 | bgp_session_reset(peer); | |
4336 | return 0; | |
4337 | } | |
4338 | ||
4339 | /* peer-group member updates. */ | |
4340 | group = peer->group; | |
4341 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4342 | if (!peer->update_source && !peer->update_if) | |
4343 | continue; | |
4344 | ||
4345 | if (peer->update_source) { | |
4346 | sockunion_free(peer->update_source); | |
4347 | peer->update_source = NULL; | |
4348 | } | |
4349 | ||
4350 | if (peer->update_if) { | |
4351 | XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if); | |
4352 | peer->update_if = NULL; | |
4353 | } | |
4354 | ||
4355 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
4356 | peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; | |
4357 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
4358 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4359 | } else | |
4360 | bgp_session_reset(peer); | |
4361 | } | |
4362 | return 0; | |
4363 | } | |
4364 | ||
4365 | int peer_default_originate_set(struct peer *peer, afi_t afi, safi_t safi, | |
4366 | const char *rmap) | |
4367 | { | |
4368 | struct peer_group *group; | |
4369 | struct listnode *node, *nnode; | |
4370 | ||
4371 | if (!CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_DEFAULT_ORIGINATE) | |
4372 | || (rmap && !peer->default_rmap[afi][safi].name) | |
4373 | || (rmap | |
4374 | && strcmp(rmap, peer->default_rmap[afi][safi].name) != 0)) { | |
4375 | SET_FLAG(peer->af_flags[afi][safi], | |
4376 | PEER_FLAG_DEFAULT_ORIGINATE); | |
4377 | ||
4378 | if (rmap) { | |
4379 | if (peer->default_rmap[afi][safi].name) | |
4380 | XFREE(MTYPE_ROUTE_MAP_NAME, | |
4381 | peer->default_rmap[afi][safi].name); | |
4382 | peer->default_rmap[afi][safi].name = | |
4383 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
4384 | peer->default_rmap[afi][safi].map = | |
4385 | route_map_lookup_by_name(rmap); | |
4386 | } | |
4387 | } | |
4388 | ||
4389 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4390 | if (peer->status == Established && peer->afc_nego[afi][safi]) { | |
4391 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
4392 | bgp_default_originate(peer, afi, safi, 0); | |
4393 | bgp_announce_route(peer, afi, safi); | |
4394 | } | |
4395 | return 0; | |
4396 | } | |
4397 | ||
4398 | /* peer-group member updates. */ | |
4399 | group = peer->group; | |
4400 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4401 | SET_FLAG(peer->af_flags[afi][safi], | |
4402 | PEER_FLAG_DEFAULT_ORIGINATE); | |
4403 | ||
4404 | if (rmap) { | |
4405 | if (peer->default_rmap[afi][safi].name) | |
4406 | XFREE(MTYPE_ROUTE_MAP_NAME, | |
4407 | peer->default_rmap[afi][safi].name); | |
4408 | peer->default_rmap[afi][safi].name = | |
4409 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
4410 | peer->default_rmap[afi][safi].map = | |
4411 | route_map_lookup_by_name(rmap); | |
4412 | } | |
4413 | ||
4414 | if (peer->status == Established && peer->afc_nego[afi][safi]) { | |
4415 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
4416 | bgp_default_originate(peer, afi, safi, 0); | |
4417 | bgp_announce_route(peer, afi, safi); | |
4418 | } | |
4419 | } | |
4420 | return 0; | |
4421 | } | |
4422 | ||
4423 | int peer_default_originate_unset(struct peer *peer, afi_t afi, safi_t safi) | |
4424 | { | |
4425 | struct peer_group *group; | |
4426 | struct listnode *node, *nnode; | |
4427 | ||
4428 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
4429 | PEER_FLAG_DEFAULT_ORIGINATE)) { | |
4430 | UNSET_FLAG(peer->af_flags[afi][safi], | |
4431 | PEER_FLAG_DEFAULT_ORIGINATE); | |
4432 | ||
4433 | if (peer->default_rmap[afi][safi].name) | |
4434 | XFREE(MTYPE_ROUTE_MAP_NAME, | |
4435 | peer->default_rmap[afi][safi].name); | |
4436 | peer->default_rmap[afi][safi].name = NULL; | |
4437 | peer->default_rmap[afi][safi].map = NULL; | |
4438 | } | |
4439 | ||
4440 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4441 | if (peer->status == Established && peer->afc_nego[afi][safi]) { | |
4442 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
4443 | bgp_default_originate(peer, afi, safi, 1); | |
4444 | bgp_announce_route(peer, afi, safi); | |
4445 | } | |
4446 | return 0; | |
4447 | } | |
4448 | ||
4449 | /* peer-group member updates. */ | |
4450 | group = peer->group; | |
4451 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4452 | UNSET_FLAG(peer->af_flags[afi][safi], | |
4453 | PEER_FLAG_DEFAULT_ORIGINATE); | |
4454 | ||
4455 | if (peer->default_rmap[afi][safi].name) | |
4456 | XFREE(MTYPE_ROUTE_MAP_NAME, | |
4457 | peer->default_rmap[afi][safi].name); | |
4458 | peer->default_rmap[afi][safi].name = NULL; | |
4459 | peer->default_rmap[afi][safi].map = NULL; | |
4460 | ||
4461 | if (peer->status == Established && peer->afc_nego[afi][safi]) { | |
4462 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
4463 | bgp_default_originate(peer, afi, safi, 1); | |
4464 | bgp_announce_route(peer, afi, safi); | |
4465 | } | |
4466 | } | |
4467 | return 0; | |
4468 | } | |
4469 | ||
4470 | int peer_port_set(struct peer *peer, u_int16_t port) | |
4471 | { | |
4472 | peer->port = port; | |
4473 | return 0; | |
4474 | } | |
4475 | ||
4476 | int peer_port_unset(struct peer *peer) | |
4477 | { | |
4478 | peer->port = BGP_PORT_DEFAULT; | |
4479 | return 0; | |
4480 | } | |
4481 | ||
4482 | /* | |
4483 | * Helper function that is called after the name of the policy | |
4484 | * being used by a peer has changed (AF specific). Automatically | |
4485 | * initiates inbound or outbound processing as needed. | |
4486 | */ | |
4487 | static void peer_on_policy_change(struct peer *peer, afi_t afi, safi_t safi, | |
4488 | int outbound) | |
4489 | { | |
4490 | if (outbound) { | |
4491 | update_group_adjust_peer(peer_af_find(peer, afi, safi)); | |
4492 | if (peer->status == Established) | |
4493 | bgp_announce_route(peer, afi, safi); | |
4494 | } else { | |
4495 | if (peer->status != Established) | |
4496 | return; | |
4497 | ||
4498 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
4499 | PEER_FLAG_SOFT_RECONFIG)) | |
4500 | bgp_soft_reconfig_in(peer, afi, safi); | |
4501 | else if (CHECK_FLAG(peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
4502 | || CHECK_FLAG(peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
4503 | bgp_route_refresh_send(peer, afi, safi, 0, 0, 0); | |
4504 | } | |
4505 | } | |
4506 | ||
4507 | ||
4508 | /* neighbor weight. */ | |
4509 | int peer_weight_set(struct peer *peer, afi_t afi, safi_t safi, u_int16_t weight) | |
4510 | { | |
4511 | struct peer_group *group; | |
4512 | struct listnode *node, *nnode; | |
4513 | ||
4514 | if (peer->weight[afi][safi] != weight) { | |
4515 | peer->weight[afi][safi] = weight; | |
4516 | SET_FLAG(peer->af_flags[afi][safi], PEER_FLAG_WEIGHT); | |
4517 | peer_on_policy_change(peer, afi, safi, 0); | |
4518 | } | |
4519 | ||
4520 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) | |
4521 | return 0; | |
4522 | ||
4523 | /* peer-group member updates. */ | |
4524 | group = peer->group; | |
4525 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4526 | if (peer->weight[afi][safi] != weight) { | |
4527 | peer->weight[afi][safi] = weight; | |
4528 | SET_FLAG(peer->af_flags[afi][safi], PEER_FLAG_WEIGHT); | |
4529 | peer_on_policy_change(peer, afi, safi, 0); | |
4530 | } | |
4531 | } | |
4532 | return 0; | |
4533 | } | |
4534 | ||
4535 | int peer_weight_unset(struct peer *peer, afi_t afi, safi_t safi) | |
4536 | { | |
4537 | struct peer_group *group; | |
4538 | struct listnode *node, *nnode; | |
4539 | ||
4540 | /* not the peer-group itself but a peer in a peer-group */ | |
4541 | if (peer_group_active(peer)) { | |
4542 | group = peer->group; | |
4543 | ||
4544 | /* inherit weight from the peer-group */ | |
4545 | if (CHECK_FLAG(group->conf->af_flags[afi][safi], | |
4546 | PEER_FLAG_WEIGHT)) { | |
4547 | peer->weight[afi][safi] = | |
4548 | group->conf->weight[afi][safi]; | |
4549 | peer_af_flag_set(peer, afi, safi, PEER_FLAG_WEIGHT); | |
4550 | peer_on_policy_change(peer, afi, safi, 0); | |
4551 | } else { | |
4552 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
4553 | PEER_FLAG_WEIGHT)) { | |
4554 | peer->weight[afi][safi] = 0; | |
4555 | peer_af_flag_unset(peer, afi, safi, | |
4556 | PEER_FLAG_WEIGHT); | |
4557 | peer_on_policy_change(peer, afi, safi, 0); | |
4558 | } | |
4559 | } | |
4560 | } | |
4561 | ||
4562 | else { | |
4563 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_WEIGHT)) { | |
4564 | peer->weight[afi][safi] = 0; | |
4565 | peer_af_flag_unset(peer, afi, safi, PEER_FLAG_WEIGHT); | |
4566 | peer_on_policy_change(peer, afi, safi, 0); | |
4567 | } | |
4568 | ||
4569 | /* peer-group member updates. */ | |
4570 | group = peer->group; | |
4571 | ||
4572 | if (group) { | |
4573 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, | |
4574 | peer)) { | |
4575 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
4576 | PEER_FLAG_WEIGHT)) { | |
4577 | peer->weight[afi][safi] = 0; | |
4578 | peer_af_flag_unset(peer, afi, safi, | |
4579 | PEER_FLAG_WEIGHT); | |
4580 | peer_on_policy_change(peer, afi, safi, | |
4581 | 0); | |
4582 | } | |
4583 | } | |
4584 | } | |
4585 | } | |
4586 | return 0; | |
4587 | } | |
4588 | ||
4589 | int peer_timers_set(struct peer *peer, u_int32_t keepalive, u_int32_t holdtime) | |
4590 | { | |
4591 | struct peer_group *group; | |
4592 | struct listnode *node, *nnode; | |
4593 | ||
4594 | /* keepalive value check. */ | |
4595 | if (keepalive > 65535) | |
4596 | return BGP_ERR_INVALID_VALUE; | |
4597 | ||
4598 | /* Holdtime value check. */ | |
4599 | if (holdtime > 65535) | |
4600 | return BGP_ERR_INVALID_VALUE; | |
4601 | ||
4602 | /* Holdtime value must be either 0 or greater than 3. */ | |
4603 | if (holdtime < 3 && holdtime != 0) | |
4604 | return BGP_ERR_INVALID_VALUE; | |
4605 | ||
4606 | /* Set value to the configuration. */ | |
d62a17ae | 4607 | peer->holdtime = holdtime; |
4608 | peer->keepalive = (keepalive < holdtime / 3 ? keepalive : holdtime / 3); | |
4609 | ||
d25e4efc DS |
4610 | /* First work on real peers with timers */ |
4611 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
d62a17ae | 4612 | SET_FLAG(peer->config, PEER_CONFIG_TIMER); |
d25e4efc DS |
4613 | UNSET_FLAG(peer->config, PEER_GROUP_CONFIG_TIMER); |
4614 | } else { | |
4615 | /* Now work on the peer-group timers */ | |
4616 | SET_FLAG(peer->config, PEER_GROUP_CONFIG_TIMER); | |
4617 | ||
4618 | /* peer-group member updates. */ | |
4619 | group = peer->group; | |
4620 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4621 | /* Skip peers that have their own timers */ | |
4622 | if (CHECK_FLAG(peer->config, PEER_CONFIG_TIMER)) | |
4623 | continue; | |
4624 | ||
4625 | SET_FLAG(peer->config, PEER_GROUP_CONFIG_TIMER); | |
4626 | peer->holdtime = group->conf->holdtime; | |
4627 | peer->keepalive = group->conf->keepalive; | |
4628 | } | |
d62a17ae | 4629 | } |
d25e4efc | 4630 | |
d62a17ae | 4631 | return 0; |
4632 | } | |
4633 | ||
4634 | int peer_timers_unset(struct peer *peer) | |
4635 | { | |
4636 | struct peer_group *group; | |
4637 | struct listnode *node, *nnode; | |
4638 | ||
d25e4efc DS |
4639 | /* First work on real peers vs the peer-group */ |
4640 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
d62a17ae | 4641 | UNSET_FLAG(peer->config, PEER_CONFIG_TIMER); |
d62a17ae | 4642 | peer->keepalive = 0; |
d25e4efc DS |
4643 | peer->holdtime = 0; |
4644 | ||
4645 | if (peer->group && peer->group->conf->holdtime) { | |
4646 | SET_FLAG(peer->config, PEER_GROUP_CONFIG_TIMER); | |
4647 | peer->keepalive = peer->group->conf->keepalive; | |
4648 | peer->holdtime = peer->group->conf->holdtime; | |
4649 | } | |
4650 | } else { | |
4651 | /* peer-group member updates. */ | |
4652 | group = peer->group; | |
4653 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4654 | if (!CHECK_FLAG(peer->config, PEER_CONFIG_TIMER)) { | |
4655 | UNSET_FLAG(peer->config, | |
4656 | PEER_GROUP_CONFIG_TIMER); | |
4657 | peer->holdtime = 0; | |
4658 | peer->keepalive = 0; | |
4659 | } | |
4660 | } | |
4661 | ||
4662 | UNSET_FLAG(group->conf->config, PEER_GROUP_CONFIG_TIMER); | |
4663 | group->conf->holdtime = 0; | |
4664 | group->conf->keepalive = 0; | |
d62a17ae | 4665 | } |
4666 | ||
4667 | return 0; | |
4668 | } | |
4669 | ||
4670 | int peer_timers_connect_set(struct peer *peer, u_int32_t connect) | |
4671 | { | |
4672 | struct peer_group *group; | |
4673 | struct listnode *node, *nnode; | |
4674 | ||
4675 | if (connect > 65535) | |
4676 | return BGP_ERR_INVALID_VALUE; | |
4677 | ||
4678 | /* Set value to the configuration. */ | |
4679 | SET_FLAG(peer->config, PEER_CONFIG_CONNECT); | |
4680 | peer->connect = connect; | |
4681 | ||
4682 | /* Set value to timer setting. */ | |
4683 | peer->v_connect = connect; | |
4684 | ||
4685 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) | |
4686 | return 0; | |
4687 | ||
4688 | /* peer-group member updates. */ | |
4689 | group = peer->group; | |
4690 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4691 | SET_FLAG(peer->config, PEER_CONFIG_CONNECT); | |
4692 | peer->connect = connect; | |
4693 | peer->v_connect = connect; | |
4694 | } | |
4695 | return 0; | |
4696 | } | |
4697 | ||
4698 | int peer_timers_connect_unset(struct peer *peer) | |
4699 | { | |
4700 | struct peer_group *group; | |
4701 | struct listnode *node, *nnode; | |
4702 | ||
4703 | /* Clear configuration. */ | |
4704 | UNSET_FLAG(peer->config, PEER_CONFIG_CONNECT); | |
4705 | peer->connect = 0; | |
4706 | ||
4707 | /* Set timer setting to default value. */ | |
4708 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
4709 | ||
4710 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) | |
4711 | return 0; | |
4712 | ||
4713 | /* peer-group member updates. */ | |
4714 | group = peer->group; | |
4715 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4716 | UNSET_FLAG(peer->config, PEER_CONFIG_CONNECT); | |
4717 | peer->connect = 0; | |
4718 | peer->v_connect = BGP_DEFAULT_CONNECT_RETRY; | |
4719 | } | |
4720 | return 0; | |
4721 | } | |
4722 | ||
4723 | int peer_advertise_interval_set(struct peer *peer, u_int32_t routeadv) | |
4724 | { | |
4725 | struct peer_group *group; | |
4726 | struct listnode *node, *nnode; | |
4727 | ||
4728 | if (routeadv > 600) | |
4729 | return BGP_ERR_INVALID_VALUE; | |
4730 | ||
4731 | SET_FLAG(peer->config, PEER_CONFIG_ROUTEADV); | |
4732 | peer->routeadv = routeadv; | |
4733 | peer->v_routeadv = routeadv; | |
4734 | ||
4735 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4736 | update_group_adjust_peer_afs(peer); | |
4737 | if (peer->status == Established) | |
4738 | bgp_announce_route_all(peer); | |
4739 | return 0; | |
4740 | } | |
4741 | ||
4742 | /* peer-group member updates. */ | |
4743 | group = peer->group; | |
4744 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4745 | SET_FLAG(peer->config, PEER_CONFIG_ROUTEADV); | |
4746 | peer->routeadv = routeadv; | |
4747 | peer->v_routeadv = routeadv; | |
4748 | update_group_adjust_peer_afs(peer); | |
4749 | if (peer->status == Established) | |
4750 | bgp_announce_route_all(peer); | |
4751 | } | |
4752 | ||
4753 | return 0; | |
4754 | } | |
4755 | ||
4756 | int peer_advertise_interval_unset(struct peer *peer) | |
4757 | { | |
4758 | struct peer_group *group; | |
4759 | struct listnode *node, *nnode; | |
4760 | ||
4761 | UNSET_FLAG(peer->config, PEER_CONFIG_ROUTEADV); | |
4762 | peer->routeadv = 0; | |
4763 | ||
4764 | if (peer->sort == BGP_PEER_IBGP) | |
4765 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
4766 | else | |
4767 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
4768 | ||
4769 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4770 | update_group_adjust_peer_afs(peer); | |
4771 | if (peer->status == Established) | |
4772 | bgp_announce_route_all(peer); | |
4773 | return 0; | |
4774 | } | |
4775 | ||
4776 | /* peer-group member updates. */ | |
4777 | group = peer->group; | |
4778 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4779 | UNSET_FLAG(peer->config, PEER_CONFIG_ROUTEADV); | |
4780 | peer->routeadv = 0; | |
4781 | ||
4782 | if (peer->sort == BGP_PEER_IBGP) | |
4783 | peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV; | |
4784 | else | |
4785 | peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV; | |
4786 | ||
4787 | update_group_adjust_peer_afs(peer); | |
4788 | if (peer->status == Established) | |
4789 | bgp_announce_route_all(peer); | |
4790 | } | |
4791 | ||
4792 | return 0; | |
4793 | } | |
4794 | ||
4795 | /* neighbor interface */ | |
4796 | void peer_interface_set(struct peer *peer, const char *str) | |
4797 | { | |
4798 | if (peer->ifname) | |
4799 | XFREE(MTYPE_BGP_PEER_IFNAME, peer->ifname); | |
4800 | peer->ifname = XSTRDUP(MTYPE_BGP_PEER_IFNAME, str); | |
4801 | } | |
4802 | ||
4803 | void peer_interface_unset(struct peer *peer) | |
4804 | { | |
4805 | if (peer->ifname) | |
4806 | XFREE(MTYPE_BGP_PEER_IFNAME, peer->ifname); | |
4807 | peer->ifname = NULL; | |
4808 | } | |
4809 | ||
4810 | /* Allow-as in. */ | |
4811 | int peer_allowas_in_set(struct peer *peer, afi_t afi, safi_t safi, | |
4812 | int allow_num, int origin) | |
4813 | { | |
4814 | struct peer_group *group; | |
4815 | struct listnode *node, *nnode; | |
4816 | ||
4817 | if (origin) { | |
4818 | if (peer->allowas_in[afi][safi] | |
4819 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
4820 | PEER_FLAG_ALLOWAS_IN) | |
4821 | || !CHECK_FLAG(peer->af_flags[afi][safi], | |
4822 | PEER_FLAG_ALLOWAS_IN_ORIGIN)) { | |
4823 | peer->allowas_in[afi][safi] = 0; | |
4824 | peer_af_flag_unset(peer, afi, safi, | |
4825 | PEER_FLAG_ALLOWAS_IN); | |
4826 | peer_af_flag_set(peer, afi, safi, | |
4827 | PEER_FLAG_ALLOWAS_IN_ORIGIN); | |
4828 | peer_on_policy_change(peer, afi, safi, 0); | |
4829 | } | |
4830 | ||
4831 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) | |
4832 | return 0; | |
4833 | ||
4834 | group = peer->group; | |
4835 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4836 | if (peer->allowas_in[afi][safi] | |
4837 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
4838 | PEER_FLAG_ALLOWAS_IN) | |
4839 | || !CHECK_FLAG(peer->af_flags[afi][safi], | |
4840 | PEER_FLAG_ALLOWAS_IN_ORIGIN)) { | |
4841 | peer->allowas_in[afi][safi] = 0; | |
4842 | peer_af_flag_unset(peer, afi, safi, | |
4843 | PEER_FLAG_ALLOWAS_IN); | |
4844 | peer_af_flag_set(peer, afi, safi, | |
4845 | PEER_FLAG_ALLOWAS_IN_ORIGIN); | |
4846 | peer_on_policy_change(peer, afi, safi, 0); | |
4847 | } | |
4848 | } | |
4849 | } else { | |
4850 | if (allow_num < 1 || allow_num > 10) | |
4851 | return BGP_ERR_INVALID_VALUE; | |
4852 | ||
4853 | if (peer->allowas_in[afi][safi] != allow_num | |
4854 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
4855 | PEER_FLAG_ALLOWAS_IN_ORIGIN)) { | |
4856 | peer->allowas_in[afi][safi] = allow_num; | |
4857 | peer_af_flag_set(peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
4858 | peer_af_flag_unset(peer, afi, safi, | |
4859 | PEER_FLAG_ALLOWAS_IN_ORIGIN); | |
4860 | peer_on_policy_change(peer, afi, safi, 0); | |
4861 | } | |
4862 | ||
4863 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) | |
4864 | return 0; | |
4865 | ||
4866 | group = peer->group; | |
4867 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4868 | if (peer->allowas_in[afi][safi] != allow_num | |
4869 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
4870 | PEER_FLAG_ALLOWAS_IN_ORIGIN)) { | |
4871 | peer->allowas_in[afi][safi] = allow_num; | |
4872 | peer_af_flag_set(peer, afi, safi, | |
4873 | PEER_FLAG_ALLOWAS_IN); | |
4874 | peer_af_flag_unset(peer, afi, safi, | |
4875 | PEER_FLAG_ALLOWAS_IN_ORIGIN); | |
4876 | peer_on_policy_change(peer, afi, safi, 0); | |
4877 | } | |
4878 | } | |
4879 | } | |
4880 | ||
4881 | return 0; | |
4882 | } | |
4883 | ||
4884 | int peer_allowas_in_unset(struct peer *peer, afi_t afi, safi_t safi) | |
4885 | { | |
4886 | struct peer_group *group; | |
4887 | struct peer *tmp_peer; | |
4888 | struct listnode *node, *nnode; | |
4889 | ||
4890 | /* If this is a peer-group we must first clear the flags for all of the | |
4891 | * peer-group members | |
4892 | */ | |
4893 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4894 | group = peer->group; | |
4895 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, tmp_peer)) { | |
4896 | if (CHECK_FLAG(tmp_peer->af_flags[afi][safi], | |
4897 | PEER_FLAG_ALLOWAS_IN) | |
4898 | || CHECK_FLAG(tmp_peer->af_flags[afi][safi], | |
4899 | PEER_FLAG_ALLOWAS_IN_ORIGIN)) { | |
4900 | tmp_peer->allowas_in[afi][safi] = 0; | |
4901 | peer_af_flag_unset(tmp_peer, afi, safi, | |
4902 | PEER_FLAG_ALLOWAS_IN); | |
4903 | peer_af_flag_unset(tmp_peer, afi, safi, | |
4904 | PEER_FLAG_ALLOWAS_IN_ORIGIN); | |
4905 | peer_on_policy_change(tmp_peer, afi, safi, 0); | |
4906 | } | |
4907 | } | |
4908 | } | |
4909 | ||
4910 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN) | |
4911 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
4912 | PEER_FLAG_ALLOWAS_IN_ORIGIN)) { | |
4913 | peer->allowas_in[afi][safi] = 0; | |
4914 | peer_af_flag_unset(peer, afi, safi, PEER_FLAG_ALLOWAS_IN); | |
4915 | peer_af_flag_unset(peer, afi, safi, | |
4916 | PEER_FLAG_ALLOWAS_IN_ORIGIN); | |
4917 | peer_on_policy_change(peer, afi, safi, 0); | |
4918 | } | |
4919 | ||
4920 | return 0; | |
4921 | } | |
4922 | ||
4923 | int peer_local_as_set(struct peer *peer, as_t as, int no_prepend, | |
4924 | int replace_as) | |
4925 | { | |
4926 | struct bgp *bgp = peer->bgp; | |
4927 | struct peer_group *group; | |
4928 | struct listnode *node, *nnode; | |
4929 | ||
4930 | if (peer_sort(peer) != BGP_PEER_EBGP | |
4931 | && peer_sort(peer) != BGP_PEER_INTERNAL) | |
4932 | return BGP_ERR_LOCAL_AS_ALLOWED_ONLY_FOR_EBGP; | |
4933 | ||
4934 | if (bgp->as == as) | |
4935 | return BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS; | |
4936 | ||
4937 | if (peer->as == as) | |
4938 | return BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS_REMOTE_AS; | |
4939 | ||
4940 | if (peer->change_local_as == as | |
4941 | && ((CHECK_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) | |
4942 | && no_prepend) | |
4943 | || (!CHECK_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) | |
4944 | && !no_prepend)) | |
4945 | && ((CHECK_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) | |
4946 | && replace_as) | |
4947 | || (!CHECK_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) | |
4948 | && !replace_as))) | |
4949 | return 0; | |
4950 | ||
4951 | peer->change_local_as = as; | |
4952 | if (no_prepend) | |
4953 | SET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
4954 | else | |
4955 | UNSET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
4956 | ||
4957 | if (replace_as) | |
4958 | SET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
4959 | else | |
4960 | UNSET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
4961 | ||
4962 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
4963 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
4964 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
4965 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
4966 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4967 | } else | |
4968 | bgp_session_reset(peer); | |
4969 | return 0; | |
4970 | } | |
4971 | ||
4972 | group = peer->group; | |
4973 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
4974 | peer->change_local_as = as; | |
4975 | if (no_prepend) | |
4976 | SET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
4977 | else | |
4978 | UNSET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
4979 | ||
4980 | if (replace_as) | |
4981 | SET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
4982 | else | |
4983 | UNSET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
4984 | ||
4985 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
4986 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
4987 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
4988 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
4989 | } else | |
4990 | BGP_EVENT_ADD(peer, BGP_Stop); | |
4991 | } | |
4992 | ||
4993 | return 0; | |
4994 | } | |
4995 | ||
4996 | int peer_local_as_unset(struct peer *peer) | |
4997 | { | |
4998 | struct peer_group *group; | |
4999 | struct listnode *node, *nnode; | |
5000 | ||
5001 | if (!peer->change_local_as) | |
5002 | return 0; | |
5003 | ||
5004 | peer->change_local_as = 0; | |
5005 | UNSET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
5006 | UNSET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
5007 | ||
5008 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5009 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
5010 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
5011 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
5012 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
5013 | } else | |
5014 | BGP_EVENT_ADD(peer, BGP_Stop); | |
5015 | ||
5016 | return 0; | |
5017 | } | |
5018 | ||
5019 | group = peer->group; | |
5020 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5021 | peer->change_local_as = 0; | |
5022 | UNSET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); | |
5023 | UNSET_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS); | |
5024 | ||
5025 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) { | |
5026 | peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; | |
5027 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
5028 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
5029 | } else | |
5030 | bgp_session_reset(peer); | |
5031 | } | |
5032 | return 0; | |
5033 | } | |
5034 | ||
5035 | /* Set password for authenticating with the peer. */ | |
5036 | int peer_password_set(struct peer *peer, const char *password) | |
5037 | { | |
5038 | struct listnode *nn, *nnode; | |
5039 | int len = password ? strlen(password) : 0; | |
5040 | int ret = BGP_SUCCESS; | |
5041 | ||
5042 | if ((len < PEER_PASSWORD_MINLEN) || (len > PEER_PASSWORD_MAXLEN)) | |
5043 | return BGP_ERR_INVALID_VALUE; | |
5044 | ||
5045 | if (peer->password && strcmp(peer->password, password) == 0 | |
5046 | && !CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) | |
5047 | return 0; | |
5048 | ||
5049 | if (peer->password) | |
5050 | XFREE(MTYPE_PEER_PASSWORD, peer->password); | |
5051 | ||
5052 | peer->password = XSTRDUP(MTYPE_PEER_PASSWORD, password); | |
5053 | ||
5054 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5055 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
5056 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
5057 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
5058 | else | |
5059 | bgp_session_reset(peer); | |
5060 | ||
5061 | if (BGP_PEER_SU_UNSPEC(peer)) | |
5062 | return BGP_SUCCESS; | |
5063 | ||
5064 | return (bgp_md5_set(peer) >= 0) ? BGP_SUCCESS | |
5065 | : BGP_ERR_TCPSIG_FAILED; | |
5066 | } | |
5067 | ||
5068 | for (ALL_LIST_ELEMENTS(peer->group->peer, nn, nnode, peer)) { | |
5069 | if (peer->password && strcmp(peer->password, password) == 0) | |
5070 | continue; | |
5071 | ||
5072 | if (peer->password) | |
5073 | XFREE(MTYPE_PEER_PASSWORD, peer->password); | |
5074 | ||
5075 | peer->password = XSTRDUP(MTYPE_PEER_PASSWORD, password); | |
5076 | ||
5077 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
5078 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
5079 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
5080 | else | |
5081 | bgp_session_reset(peer); | |
5082 | ||
5083 | if (!BGP_PEER_SU_UNSPEC(peer)) { | |
5084 | if (bgp_md5_set(peer) < 0) | |
5085 | ret = BGP_ERR_TCPSIG_FAILED; | |
5086 | } | |
5087 | } | |
5088 | ||
5089 | return ret; | |
5090 | } | |
5091 | ||
5092 | int peer_password_unset(struct peer *peer) | |
5093 | { | |
5094 | struct listnode *nn, *nnode; | |
5095 | ||
5096 | if (!peer->password && !CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) | |
5097 | return 0; | |
5098 | ||
5099 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5100 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
5101 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
5102 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
5103 | else | |
5104 | bgp_session_reset(peer); | |
5105 | ||
5106 | if (peer->password) | |
5107 | XFREE(MTYPE_PEER_PASSWORD, peer->password); | |
5108 | ||
5109 | peer->password = NULL; | |
5110 | ||
5111 | if (!BGP_PEER_SU_UNSPEC(peer)) | |
5112 | bgp_md5_unset(peer); | |
5113 | ||
5114 | return 0; | |
5115 | } | |
5116 | ||
5117 | XFREE(MTYPE_PEER_PASSWORD, peer->password); | |
5118 | peer->password = NULL; | |
5119 | ||
5120 | for (ALL_LIST_ELEMENTS(peer->group->peer, nn, nnode, peer)) { | |
5121 | if (!peer->password) | |
5122 | continue; | |
5123 | ||
5124 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
5125 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
5126 | BGP_NOTIFY_CEASE_CONFIG_CHANGE); | |
5127 | else | |
5128 | bgp_session_reset(peer); | |
5129 | ||
5130 | XFREE(MTYPE_PEER_PASSWORD, peer->password); | |
5131 | peer->password = NULL; | |
5132 | ||
5133 | if (!BGP_PEER_SU_UNSPEC(peer)) | |
5134 | bgp_md5_unset(peer); | |
5135 | } | |
5136 | ||
5137 | return 0; | |
5138 | } | |
6b0655a2 | 5139 | |
3f9c7369 | 5140 | |
718e3744 | 5141 | /* Set distribute list to the peer. */ |
d62a17ae | 5142 | int peer_distribute_set(struct peer *peer, afi_t afi, safi_t safi, int direct, |
5143 | const char *name) | |
5144 | { | |
5145 | struct bgp_filter *filter; | |
5146 | struct peer_group *group; | |
5147 | struct listnode *node, *nnode; | |
5148 | ||
5149 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
5150 | return BGP_ERR_INVALID_VALUE; | |
5151 | ||
5152 | filter = &peer->filter[afi][safi]; | |
5153 | ||
5154 | if (filter->plist[direct].name) | |
5155 | return BGP_ERR_PEER_FILTER_CONFLICT; | |
5156 | ||
5157 | if (filter->dlist[direct].name) | |
5158 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); | |
5159 | filter->dlist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
5160 | filter->dlist[direct].alist = access_list_lookup(afi, name); | |
5161 | ||
5162 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5163 | peer_on_policy_change(peer, afi, safi, | |
5164 | (direct == FILTER_OUT) ? 1 : 0); | |
5165 | return 0; | |
5166 | } | |
5167 | ||
5168 | group = peer->group; | |
5169 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5170 | filter = &peer->filter[afi][safi]; | |
5171 | ||
5172 | if (filter->dlist[direct].name) | |
5173 | XFREE(MTYPE_BGP_FILTER_NAME, | |
5174 | filter->dlist[direct].name); | |
5175 | filter->dlist[direct].name = | |
5176 | XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
5177 | filter->dlist[direct].alist = access_list_lookup(afi, name); | |
5178 | peer_on_policy_change(peer, afi, safi, | |
5179 | (direct == FILTER_OUT) ? 1 : 0); | |
5180 | } | |
5181 | ||
5182 | return 0; | |
5183 | } | |
5184 | ||
5185 | int peer_distribute_unset(struct peer *peer, afi_t afi, safi_t safi, int direct) | |
5186 | { | |
5187 | struct bgp_filter *filter; | |
5188 | struct bgp_filter *gfilter; | |
5189 | struct peer_group *group; | |
5190 | struct listnode *node, *nnode; | |
5191 | ||
5192 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
5193 | return BGP_ERR_INVALID_VALUE; | |
5194 | ||
5195 | filter = &peer->filter[afi][safi]; | |
5196 | ||
5197 | /* apply peer-group filter */ | |
5198 | if (peer_group_active(peer)) { | |
5199 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5200 | ||
5201 | if (gfilter->dlist[direct].name) { | |
5202 | if (filter->dlist[direct].name) | |
5203 | XFREE(MTYPE_BGP_FILTER_NAME, | |
5204 | filter->dlist[direct].name); | |
5205 | filter->dlist[direct].name = | |
5206 | XSTRDUP(MTYPE_BGP_FILTER_NAME, | |
5207 | gfilter->dlist[direct].name); | |
5208 | filter->dlist[direct].alist = | |
5209 | gfilter->dlist[direct].alist; | |
5210 | peer_on_policy_change(peer, afi, safi, | |
5211 | (direct == FILTER_OUT) ? 1 : 0); | |
5212 | return 0; | |
5213 | } | |
5214 | } | |
5215 | ||
5216 | if (filter->dlist[direct].name) | |
5217 | XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[direct].name); | |
5218 | filter->dlist[direct].name = NULL; | |
5219 | filter->dlist[direct].alist = NULL; | |
5220 | ||
5221 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5222 | peer_on_policy_change(peer, afi, safi, | |
5223 | (direct == FILTER_OUT) ? 1 : 0); | |
5224 | return 0; | |
5225 | } | |
5226 | ||
5227 | group = peer->group; | |
5228 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5229 | filter = &peer->filter[afi][safi]; | |
5230 | ||
5231 | if (filter->dlist[direct].name) | |
5232 | XFREE(MTYPE_BGP_FILTER_NAME, | |
5233 | filter->dlist[direct].name); | |
5234 | filter->dlist[direct].name = NULL; | |
5235 | filter->dlist[direct].alist = NULL; | |
5236 | peer_on_policy_change(peer, afi, safi, | |
5237 | (direct == FILTER_OUT) ? 1 : 0); | |
5238 | } | |
5239 | ||
5240 | return 0; | |
5241 | } | |
5242 | ||
5243 | /* Update distribute list. */ | |
5244 | static void peer_distribute_update(struct access_list *access) | |
5245 | { | |
5246 | afi_t afi; | |
5247 | safi_t safi; | |
5248 | int direct; | |
5249 | struct listnode *mnode, *mnnode; | |
5250 | struct listnode *node, *nnode; | |
5251 | struct bgp *bgp; | |
5252 | struct peer *peer; | |
5253 | struct peer_group *group; | |
5254 | struct bgp_filter *filter; | |
5255 | ||
5256 | for (ALL_LIST_ELEMENTS(bm->bgp, mnode, mnnode, bgp)) { | |
5257 | if (access->name) | |
5258 | update_group_policy_update(bgp, BGP_POLICY_FILTER_LIST, | |
5259 | access->name, 0, 0); | |
5260 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { | |
05c7a1cc QY |
5261 | FOREACH_AFI_SAFI (afi, safi) { |
5262 | filter = &peer->filter[afi][safi]; | |
5263 | ||
5264 | for (direct = FILTER_IN; direct < FILTER_MAX; | |
5265 | direct++) { | |
5266 | if (filter->dlist[direct].name) | |
5267 | filter->dlist[direct] | |
5268 | .alist = access_list_lookup( | |
5269 | afi, | |
d62a17ae | 5270 | filter->dlist[direct] |
05c7a1cc QY |
5271 | .name); |
5272 | else | |
5273 | filter->dlist[direct].alist = | |
5274 | NULL; | |
d62a17ae | 5275 | } |
05c7a1cc | 5276 | } |
d62a17ae | 5277 | } |
5278 | for (ALL_LIST_ELEMENTS(bgp->group, node, nnode, group)) { | |
05c7a1cc QY |
5279 | FOREACH_AFI_SAFI (afi, safi) { |
5280 | filter = &group->conf->filter[afi][safi]; | |
5281 | ||
5282 | for (direct = FILTER_IN; direct < FILTER_MAX; | |
5283 | direct++) { | |
5284 | if (filter->dlist[direct].name) | |
5285 | filter->dlist[direct] | |
5286 | .alist = access_list_lookup( | |
5287 | afi, | |
d62a17ae | 5288 | filter->dlist[direct] |
05c7a1cc QY |
5289 | .name); |
5290 | else | |
5291 | filter->dlist[direct].alist = | |
5292 | NULL; | |
d62a17ae | 5293 | } |
05c7a1cc | 5294 | } |
d62a17ae | 5295 | } |
5296 | #if ENABLE_BGP_VNC | |
5297 | vnc_prefix_list_update(bgp); | |
5298 | #endif | |
5299 | } | |
5300 | } | |
5301 | ||
5302 | /* Set prefix list to the peer. */ | |
5303 | int peer_prefix_list_set(struct peer *peer, afi_t afi, safi_t safi, int direct, | |
5304 | const char *name) | |
5305 | { | |
5306 | struct bgp_filter *filter; | |
5307 | struct peer_group *group; | |
5308 | struct listnode *node, *nnode; | |
5309 | ||
5310 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
5311 | return BGP_ERR_INVALID_VALUE; | |
5312 | ||
5313 | filter = &peer->filter[afi][safi]; | |
5314 | ||
5315 | if (filter->dlist[direct].name) | |
5316 | return BGP_ERR_PEER_FILTER_CONFLICT; | |
5317 | ||
5318 | if (filter->plist[direct].name) | |
5319 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); | |
5320 | filter->plist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
5321 | filter->plist[direct].plist = prefix_list_lookup(afi, name); | |
5322 | ||
5323 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5324 | peer_on_policy_change(peer, afi, safi, | |
5325 | (direct == FILTER_OUT) ? 1 : 0); | |
5326 | return 0; | |
5327 | } | |
5328 | ||
5329 | group = peer->group; | |
5330 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5331 | filter = &peer->filter[afi][safi]; | |
5332 | ||
5333 | if (filter->plist[direct].name) | |
5334 | XFREE(MTYPE_BGP_FILTER_NAME, | |
5335 | filter->plist[direct].name); | |
5336 | filter->plist[direct].name = | |
5337 | XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
5338 | filter->plist[direct].plist = prefix_list_lookup(afi, name); | |
5339 | peer_on_policy_change(peer, afi, safi, | |
5340 | (direct == FILTER_OUT) ? 1 : 0); | |
5341 | } | |
5342 | return 0; | |
5343 | } | |
5344 | ||
5345 | int peer_prefix_list_unset(struct peer *peer, afi_t afi, safi_t safi, | |
5346 | int direct) | |
5347 | { | |
5348 | struct bgp_filter *filter; | |
5349 | struct bgp_filter *gfilter; | |
5350 | struct peer_group *group; | |
5351 | struct listnode *node, *nnode; | |
5352 | ||
5353 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
5354 | return BGP_ERR_INVALID_VALUE; | |
5355 | ||
5356 | filter = &peer->filter[afi][safi]; | |
5357 | ||
5358 | /* apply peer-group filter */ | |
5359 | if (peer_group_active(peer)) { | |
5360 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5361 | ||
5362 | if (gfilter->plist[direct].name) { | |
5363 | if (filter->plist[direct].name) | |
5364 | XFREE(MTYPE_BGP_FILTER_NAME, | |
5365 | filter->plist[direct].name); | |
5366 | filter->plist[direct].name = | |
5367 | XSTRDUP(MTYPE_BGP_FILTER_NAME, | |
5368 | gfilter->plist[direct].name); | |
5369 | filter->plist[direct].plist = | |
5370 | gfilter->plist[direct].plist; | |
5371 | peer_on_policy_change(peer, afi, safi, | |
5372 | (direct == FILTER_OUT) ? 1 : 0); | |
5373 | return 0; | |
5374 | } | |
5375 | } | |
5376 | ||
5377 | if (filter->plist[direct].name) | |
5378 | XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[direct].name); | |
5379 | filter->plist[direct].name = NULL; | |
5380 | filter->plist[direct].plist = NULL; | |
5381 | ||
5382 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5383 | peer_on_policy_change(peer, afi, safi, | |
5384 | (direct == FILTER_OUT) ? 1 : 0); | |
5385 | return 0; | |
5386 | } | |
5387 | ||
5388 | group = peer->group; | |
5389 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5390 | filter = &peer->filter[afi][safi]; | |
5391 | ||
5392 | if (filter->plist[direct].name) | |
5393 | XFREE(MTYPE_BGP_FILTER_NAME, | |
5394 | filter->plist[direct].name); | |
5395 | filter->plist[direct].name = NULL; | |
5396 | filter->plist[direct].plist = NULL; | |
5397 | peer_on_policy_change(peer, afi, safi, | |
5398 | (direct == FILTER_OUT) ? 1 : 0); | |
5399 | } | |
5400 | ||
5401 | return 0; | |
5402 | } | |
5403 | ||
5404 | /* Update prefix-list list. */ | |
5405 | static void peer_prefix_list_update(struct prefix_list *plist) | |
5406 | { | |
5407 | struct listnode *mnode, *mnnode; | |
5408 | struct listnode *node, *nnode; | |
5409 | struct bgp *bgp; | |
5410 | struct peer *peer; | |
5411 | struct peer_group *group; | |
5412 | struct bgp_filter *filter; | |
5413 | afi_t afi; | |
5414 | safi_t safi; | |
5415 | int direct; | |
5416 | ||
5417 | for (ALL_LIST_ELEMENTS(bm->bgp, mnode, mnnode, bgp)) { | |
5418 | ||
5419 | /* | |
5420 | * Update the prefix-list on update groups. | |
5421 | */ | |
5422 | update_group_policy_update( | |
5423 | bgp, BGP_POLICY_PREFIX_LIST, | |
5424 | plist ? prefix_list_name(plist) : NULL, 0, 0); | |
5425 | ||
5426 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { | |
05c7a1cc QY |
5427 | FOREACH_AFI_SAFI (afi, safi) { |
5428 | filter = &peer->filter[afi][safi]; | |
5429 | ||
5430 | for (direct = FILTER_IN; direct < FILTER_MAX; | |
5431 | direct++) { | |
5432 | if (filter->plist[direct].name) | |
5433 | filter->plist[direct] | |
5434 | .plist = prefix_list_lookup( | |
5435 | afi, | |
d62a17ae | 5436 | filter->plist[direct] |
05c7a1cc QY |
5437 | .name); |
5438 | else | |
5439 | filter->plist[direct].plist = | |
5440 | NULL; | |
d62a17ae | 5441 | } |
05c7a1cc | 5442 | } |
d62a17ae | 5443 | } |
5444 | for (ALL_LIST_ELEMENTS(bgp->group, node, nnode, group)) { | |
05c7a1cc QY |
5445 | FOREACH_AFI_SAFI (afi, safi) { |
5446 | filter = &group->conf->filter[afi][safi]; | |
5447 | ||
5448 | for (direct = FILTER_IN; direct < FILTER_MAX; | |
5449 | direct++) { | |
5450 | if (filter->plist[direct].name) | |
5451 | filter->plist[direct] | |
5452 | .plist = prefix_list_lookup( | |
5453 | afi, | |
d62a17ae | 5454 | filter->plist[direct] |
05c7a1cc QY |
5455 | .name); |
5456 | else | |
5457 | filter->plist[direct].plist = | |
5458 | NULL; | |
d62a17ae | 5459 | } |
05c7a1cc | 5460 | } |
d62a17ae | 5461 | } |
5462 | } | |
5463 | } | |
5464 | ||
5465 | int peer_aslist_set(struct peer *peer, afi_t afi, safi_t safi, int direct, | |
5466 | const char *name) | |
5467 | { | |
5468 | struct bgp_filter *filter; | |
5469 | struct peer_group *group; | |
5470 | struct listnode *node, *nnode; | |
5471 | ||
5472 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
5473 | return BGP_ERR_INVALID_VALUE; | |
5474 | ||
5475 | filter = &peer->filter[afi][safi]; | |
5476 | ||
5477 | if (filter->aslist[direct].name) | |
5478 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); | |
5479 | filter->aslist[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
5480 | filter->aslist[direct].aslist = as_list_lookup(name); | |
5481 | ||
5482 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5483 | peer_on_policy_change(peer, afi, safi, | |
5484 | (direct == FILTER_OUT) ? 1 : 0); | |
5485 | return 0; | |
5486 | } | |
5487 | ||
5488 | group = peer->group; | |
5489 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5490 | filter = &peer->filter[afi][safi]; | |
5491 | ||
5492 | if (filter->aslist[direct].name) | |
5493 | XFREE(MTYPE_BGP_FILTER_NAME, | |
5494 | filter->aslist[direct].name); | |
5495 | filter->aslist[direct].name = | |
5496 | XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
5497 | filter->aslist[direct].aslist = as_list_lookup(name); | |
5498 | peer_on_policy_change(peer, afi, safi, | |
5499 | (direct == FILTER_OUT) ? 1 : 0); | |
5500 | } | |
5501 | return 0; | |
5502 | } | |
5503 | ||
5504 | int peer_aslist_unset(struct peer *peer, afi_t afi, safi_t safi, int direct) | |
5505 | { | |
5506 | struct bgp_filter *filter; | |
5507 | struct bgp_filter *gfilter; | |
5508 | struct peer_group *group; | |
5509 | struct listnode *node, *nnode; | |
5510 | ||
5511 | if (direct != FILTER_IN && direct != FILTER_OUT) | |
5512 | return BGP_ERR_INVALID_VALUE; | |
5513 | ||
5514 | filter = &peer->filter[afi][safi]; | |
5515 | ||
5516 | /* apply peer-group filter */ | |
5517 | if (peer_group_active(peer)) { | |
5518 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5519 | ||
5520 | if (gfilter->aslist[direct].name) { | |
5521 | if (filter->aslist[direct].name) | |
5522 | XFREE(MTYPE_BGP_FILTER_NAME, | |
5523 | filter->aslist[direct].name); | |
5524 | filter->aslist[direct].name = | |
5525 | XSTRDUP(MTYPE_BGP_FILTER_NAME, | |
5526 | gfilter->aslist[direct].name); | |
5527 | filter->aslist[direct].aslist = | |
5528 | gfilter->aslist[direct].aslist; | |
5529 | peer_on_policy_change(peer, afi, safi, | |
5530 | (direct == FILTER_OUT) ? 1 : 0); | |
5531 | return 0; | |
5532 | } | |
5533 | } | |
5534 | ||
5535 | if (filter->aslist[direct].name) | |
5536 | XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[direct].name); | |
5537 | filter->aslist[direct].name = NULL; | |
5538 | filter->aslist[direct].aslist = NULL; | |
5539 | ||
5540 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5541 | peer_on_policy_change(peer, afi, safi, | |
5542 | (direct == FILTER_OUT) ? 1 : 0); | |
5543 | return 0; | |
5544 | } | |
5545 | ||
5546 | group = peer->group; | |
5547 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5548 | filter = &peer->filter[afi][safi]; | |
5549 | ||
5550 | if (filter->aslist[direct].name) | |
5551 | XFREE(MTYPE_BGP_FILTER_NAME, | |
5552 | filter->aslist[direct].name); | |
5553 | filter->aslist[direct].name = NULL; | |
5554 | filter->aslist[direct].aslist = NULL; | |
5555 | peer_on_policy_change(peer, afi, safi, | |
5556 | (direct == FILTER_OUT) ? 1 : 0); | |
5557 | } | |
5558 | ||
5559 | return 0; | |
5560 | } | |
5561 | ||
5562 | static void peer_aslist_update(const char *aslist_name) | |
5563 | { | |
5564 | afi_t afi; | |
5565 | safi_t safi; | |
5566 | int direct; | |
5567 | struct listnode *mnode, *mnnode; | |
5568 | struct listnode *node, *nnode; | |
5569 | struct bgp *bgp; | |
5570 | struct peer *peer; | |
5571 | struct peer_group *group; | |
5572 | struct bgp_filter *filter; | |
5573 | ||
5574 | for (ALL_LIST_ELEMENTS(bm->bgp, mnode, mnnode, bgp)) { | |
5575 | update_group_policy_update(bgp, BGP_POLICY_FILTER_LIST, | |
5576 | aslist_name, 0, 0); | |
5577 | ||
5578 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { | |
05c7a1cc QY |
5579 | FOREACH_AFI_SAFI (afi, safi) { |
5580 | filter = &peer->filter[afi][safi]; | |
5581 | ||
5582 | for (direct = FILTER_IN; direct < FILTER_MAX; | |
5583 | direct++) { | |
5584 | if (filter->aslist[direct].name) | |
5585 | filter->aslist[direct] | |
5586 | .aslist = as_list_lookup( | |
d62a17ae | 5587 | filter->aslist[direct] |
05c7a1cc QY |
5588 | .name); |
5589 | else | |
5590 | filter->aslist[direct].aslist = | |
5591 | NULL; | |
d62a17ae | 5592 | } |
05c7a1cc | 5593 | } |
d62a17ae | 5594 | } |
5595 | for (ALL_LIST_ELEMENTS(bgp->group, node, nnode, group)) { | |
05c7a1cc QY |
5596 | FOREACH_AFI_SAFI (afi, safi) { |
5597 | filter = &group->conf->filter[afi][safi]; | |
5598 | ||
5599 | for (direct = FILTER_IN; direct < FILTER_MAX; | |
5600 | direct++) { | |
5601 | if (filter->aslist[direct].name) | |
5602 | filter->aslist[direct] | |
5603 | .aslist = as_list_lookup( | |
d62a17ae | 5604 | filter->aslist[direct] |
05c7a1cc QY |
5605 | .name); |
5606 | else | |
5607 | filter->aslist[direct].aslist = | |
5608 | NULL; | |
d62a17ae | 5609 | } |
05c7a1cc | 5610 | } |
d62a17ae | 5611 | } |
5612 | } | |
5613 | } | |
5614 | ||
5615 | static void peer_aslist_add(char *aslist_name) | |
5616 | { | |
5617 | peer_aslist_update(aslist_name); | |
5618 | route_map_notify_dependencies((char *)aslist_name, | |
5619 | RMAP_EVENT_ASLIST_ADDED); | |
5620 | } | |
5621 | ||
5622 | static void peer_aslist_del(const char *aslist_name) | |
5623 | { | |
5624 | peer_aslist_update(aslist_name); | |
5625 | route_map_notify_dependencies(aslist_name, RMAP_EVENT_ASLIST_DELETED); | |
5626 | } | |
5627 | ||
5628 | ||
5629 | int peer_route_map_set(struct peer *peer, afi_t afi, safi_t safi, int direct, | |
5630 | const char *name) | |
5631 | { | |
5632 | struct bgp_filter *filter; | |
5633 | struct peer_group *group; | |
5634 | struct listnode *node, *nnode; | |
5635 | ||
5636 | if (direct != RMAP_IN && direct != RMAP_OUT) | |
5637 | return BGP_ERR_INVALID_VALUE; | |
5638 | ||
5639 | filter = &peer->filter[afi][safi]; | |
5640 | ||
5641 | if (filter->map[direct].name) | |
5642 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); | |
5643 | ||
5644 | filter->map[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
5645 | filter->map[direct].map = route_map_lookup_by_name(name); | |
5646 | ||
5647 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5648 | peer_on_policy_change(peer, afi, safi, | |
5649 | (direct == RMAP_OUT) ? 1 : 0); | |
5650 | return 0; | |
5651 | } | |
5652 | ||
5653 | group = peer->group; | |
5654 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5655 | filter = &peer->filter[afi][safi]; | |
5656 | ||
5657 | if (filter->map[direct].name) | |
5658 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); | |
5659 | filter->map[direct].name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
5660 | filter->map[direct].map = route_map_lookup_by_name(name); | |
5661 | peer_on_policy_change(peer, afi, safi, | |
5662 | (direct == RMAP_OUT) ? 1 : 0); | |
5663 | } | |
5664 | return 0; | |
5665 | } | |
5666 | ||
5667 | /* Unset route-map from the peer. */ | |
5668 | int peer_route_map_unset(struct peer *peer, afi_t afi, safi_t safi, int direct) | |
5669 | { | |
5670 | struct bgp_filter *filter; | |
5671 | struct bgp_filter *gfilter; | |
5672 | struct peer_group *group; | |
5673 | struct listnode *node, *nnode; | |
5674 | ||
5675 | if (direct != RMAP_IN && direct != RMAP_OUT) | |
5676 | return BGP_ERR_INVALID_VALUE; | |
5677 | ||
5678 | filter = &peer->filter[afi][safi]; | |
5679 | ||
5680 | /* apply peer-group filter */ | |
5681 | if (peer_group_active(peer)) { | |
5682 | gfilter = &peer->group->conf->filter[afi][safi]; | |
5683 | ||
5684 | if (gfilter->map[direct].name) { | |
5685 | if (filter->map[direct].name) | |
5686 | XFREE(MTYPE_BGP_FILTER_NAME, | |
5687 | filter->map[direct].name); | |
5688 | filter->map[direct].name = | |
5689 | XSTRDUP(MTYPE_BGP_FILTER_NAME, | |
5690 | gfilter->map[direct].name); | |
5691 | filter->map[direct].map = gfilter->map[direct].map; | |
5692 | peer_on_policy_change(peer, afi, safi, | |
5693 | (direct == RMAP_OUT) ? 1 : 0); | |
5694 | return 0; | |
5695 | } | |
5696 | } | |
5697 | ||
5698 | if (filter->map[direct].name) | |
5699 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); | |
5700 | filter->map[direct].name = NULL; | |
5701 | filter->map[direct].map = NULL; | |
5702 | ||
5703 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5704 | peer_on_policy_change(peer, afi, safi, | |
5705 | (direct == RMAP_OUT) ? 1 : 0); | |
5706 | return 0; | |
5707 | } | |
5708 | ||
5709 | group = peer->group; | |
5710 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5711 | filter = &peer->filter[afi][safi]; | |
5712 | ||
5713 | if (filter->map[direct].name) | |
5714 | XFREE(MTYPE_BGP_FILTER_NAME, filter->map[direct].name); | |
5715 | filter->map[direct].name = NULL; | |
5716 | filter->map[direct].map = NULL; | |
5717 | peer_on_policy_change(peer, afi, safi, | |
5718 | (direct == RMAP_OUT) ? 1 : 0); | |
5719 | } | |
5720 | return 0; | |
5721 | } | |
5722 | ||
5723 | /* Set unsuppress-map to the peer. */ | |
5724 | int peer_unsuppress_map_set(struct peer *peer, afi_t afi, safi_t safi, | |
5725 | const char *name) | |
5726 | { | |
5727 | struct bgp_filter *filter; | |
5728 | struct peer_group *group; | |
5729 | struct listnode *node, *nnode; | |
5730 | ||
5731 | filter = &peer->filter[afi][safi]; | |
5732 | ||
5733 | if (filter->usmap.name) | |
5734 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); | |
5735 | ||
5736 | filter->usmap.name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
5737 | filter->usmap.map = route_map_lookup_by_name(name); | |
5738 | ||
5739 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5740 | peer_on_policy_change(peer, afi, safi, 1); | |
5741 | return 0; | |
5742 | } | |
5743 | ||
5744 | group = peer->group; | |
5745 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5746 | filter = &peer->filter[afi][safi]; | |
5747 | ||
5748 | if (filter->usmap.name) | |
5749 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); | |
5750 | filter->usmap.name = XSTRDUP(MTYPE_BGP_FILTER_NAME, name); | |
5751 | filter->usmap.map = route_map_lookup_by_name(name); | |
5752 | peer_on_policy_change(peer, afi, safi, 1); | |
5753 | } | |
5754 | return 0; | |
5755 | } | |
5756 | ||
5757 | /* Unset route-map from the peer. */ | |
5758 | int peer_unsuppress_map_unset(struct peer *peer, afi_t afi, safi_t safi) | |
718e3744 | 5759 | { |
d62a17ae | 5760 | struct bgp_filter *filter; |
5761 | struct peer_group *group; | |
5762 | struct listnode *node, *nnode; | |
5763 | ||
5764 | filter = &peer->filter[afi][safi]; | |
718e3744 | 5765 | |
d62a17ae | 5766 | if (filter->usmap.name) |
5767 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); | |
5768 | filter->usmap.name = NULL; | |
5769 | filter->usmap.map = NULL; | |
718e3744 | 5770 | |
d62a17ae | 5771 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { |
5772 | peer_on_policy_change(peer, afi, safi, 1); | |
5773 | return 0; | |
5774 | } | |
718e3744 | 5775 | |
d62a17ae | 5776 | group = peer->group; |
5777 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5778 | filter = &peer->filter[afi][safi]; | |
718e3744 | 5779 | |
d62a17ae | 5780 | if (filter->usmap.name) |
5781 | XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name); | |
5782 | filter->usmap.name = NULL; | |
5783 | filter->usmap.map = NULL; | |
5784 | peer_on_policy_change(peer, afi, safi, 1); | |
5785 | } | |
5786 | return 0; | |
5787 | } | |
718e3744 | 5788 | |
d62a17ae | 5789 | int peer_maximum_prefix_set(struct peer *peer, afi_t afi, safi_t safi, |
5790 | u_int32_t max, u_char threshold, int warning, | |
5791 | u_int16_t restart) | |
5792 | { | |
5793 | struct peer_group *group; | |
5794 | struct listnode *node, *nnode; | |
5795 | ||
5796 | SET_FLAG(peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
5797 | peer->pmax[afi][safi] = max; | |
5798 | peer->pmax_threshold[afi][safi] = threshold; | |
5799 | peer->pmax_restart[afi][safi] = restart; | |
5800 | if (warning) | |
5801 | SET_FLAG(peer->af_flags[afi][safi], | |
5802 | PEER_FLAG_MAX_PREFIX_WARNING); | |
5803 | else | |
5804 | UNSET_FLAG(peer->af_flags[afi][safi], | |
5805 | PEER_FLAG_MAX_PREFIX_WARNING); | |
5806 | ||
5807 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5808 | group = peer->group; | |
5809 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5810 | SET_FLAG(peer->af_flags[afi][safi], | |
5811 | PEER_FLAG_MAX_PREFIX); | |
5812 | peer->pmax[afi][safi] = max; | |
5813 | peer->pmax_threshold[afi][safi] = threshold; | |
5814 | peer->pmax_restart[afi][safi] = restart; | |
5815 | if (warning) | |
5816 | SET_FLAG(peer->af_flags[afi][safi], | |
5817 | PEER_FLAG_MAX_PREFIX_WARNING); | |
5818 | else | |
5819 | UNSET_FLAG(peer->af_flags[afi][safi], | |
5820 | PEER_FLAG_MAX_PREFIX_WARNING); | |
5821 | ||
5822 | if ((peer->status == Established) | |
5823 | && (peer->afc[afi][safi])) | |
5824 | bgp_maximum_prefix_overflow(peer, afi, safi, 1); | |
5825 | } | |
5826 | } else { | |
5827 | if ((peer->status == Established) && (peer->afc[afi][safi])) | |
5828 | bgp_maximum_prefix_overflow(peer, afi, safi, 1); | |
5829 | } | |
718e3744 | 5830 | |
d62a17ae | 5831 | return 0; |
5832 | } | |
718e3744 | 5833 | |
d62a17ae | 5834 | int peer_maximum_prefix_unset(struct peer *peer, afi_t afi, safi_t safi) |
5835 | { | |
5836 | struct peer_group *group; | |
5837 | struct listnode *node, *nnode; | |
5838 | ||
5839 | /* apply peer-group config */ | |
5840 | if (peer_group_active(peer)) { | |
5841 | if (CHECK_FLAG(peer->group->conf->af_flags[afi][safi], | |
5842 | PEER_FLAG_MAX_PREFIX)) | |
5843 | SET_FLAG(peer->af_flags[afi][safi], | |
5844 | PEER_FLAG_MAX_PREFIX); | |
5845 | else | |
5846 | UNSET_FLAG(peer->af_flags[afi][safi], | |
5847 | PEER_FLAG_MAX_PREFIX); | |
5848 | ||
5849 | if (CHECK_FLAG(peer->group->conf->af_flags[afi][safi], | |
5850 | PEER_FLAG_MAX_PREFIX_WARNING)) | |
5851 | SET_FLAG(peer->af_flags[afi][safi], | |
5852 | PEER_FLAG_MAX_PREFIX_WARNING); | |
5853 | else | |
5854 | UNSET_FLAG(peer->af_flags[afi][safi], | |
5855 | PEER_FLAG_MAX_PREFIX_WARNING); | |
5856 | ||
5857 | peer->pmax[afi][safi] = peer->group->conf->pmax[afi][safi]; | |
5858 | peer->pmax_threshold[afi][safi] = | |
5859 | peer->group->conf->pmax_threshold[afi][safi]; | |
5860 | peer->pmax_restart[afi][safi] = | |
5861 | peer->group->conf->pmax_restart[afi][safi]; | |
5862 | return 0; | |
5863 | } | |
718e3744 | 5864 | |
d62a17ae | 5865 | UNSET_FLAG(peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); |
5866 | UNSET_FLAG(peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); | |
5867 | peer->pmax[afi][safi] = 0; | |
5868 | peer->pmax_threshold[afi][safi] = 0; | |
5869 | peer->pmax_restart[afi][safi] = 0; | |
5870 | ||
5871 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) | |
5872 | return 0; | |
5873 | ||
5874 | group = peer->group; | |
5875 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
5876 | UNSET_FLAG(peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); | |
5877 | UNSET_FLAG(peer->af_flags[afi][safi], | |
5878 | PEER_FLAG_MAX_PREFIX_WARNING); | |
5879 | peer->pmax[afi][safi] = 0; | |
5880 | peer->pmax_threshold[afi][safi] = 0; | |
5881 | peer->pmax_restart[afi][safi] = 0; | |
5882 | } | |
5883 | return 0; | |
718e3744 | 5884 | } |
5885 | ||
d62a17ae | 5886 | int is_ebgp_multihop_configured(struct peer *peer) |
718e3744 | 5887 | { |
d62a17ae | 5888 | struct peer_group *group; |
5889 | struct listnode *node, *nnode; | |
5890 | struct peer *peer1; | |
718e3744 | 5891 | |
d62a17ae | 5892 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { |
5893 | group = peer->group; | |
5894 | if ((peer_sort(peer) != BGP_PEER_IBGP) | |
5895 | && (group->conf->ttl != 1)) | |
5896 | return 1; | |
718e3744 | 5897 | |
d62a17ae | 5898 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer1)) { |
5899 | if ((peer_sort(peer1) != BGP_PEER_IBGP) | |
5900 | && (peer1->ttl != 1)) | |
5901 | return 1; | |
5902 | } | |
5903 | } else { | |
5904 | if ((peer_sort(peer) != BGP_PEER_IBGP) && (peer->ttl != 1)) | |
5905 | return 1; | |
5906 | } | |
5907 | return 0; | |
5908 | } | |
718e3744 | 5909 | |
d62a17ae | 5910 | /* Set # of hops between us and BGP peer. */ |
5911 | int peer_ttl_security_hops_set(struct peer *peer, int gtsm_hops) | |
5912 | { | |
5913 | struct peer_group *group; | |
5914 | struct listnode *node, *nnode; | |
5915 | int ret; | |
5916 | ||
5917 | zlog_debug("peer_ttl_security_hops_set: set gtsm_hops to %d for %s", | |
5918 | gtsm_hops, peer->host); | |
5919 | ||
5920 | /* We cannot configure ttl-security hops when ebgp-multihop is already | |
5921 | set. For non peer-groups, the check is simple. For peer-groups, | |
5922 | it's | |
5923 | slightly messy, because we need to check both the peer-group | |
5924 | structure | |
5925 | and all peer-group members for any trace of ebgp-multihop | |
5926 | configuration | |
5927 | before actually applying the ttl-security rules. Cisco really made a | |
5928 | mess of this configuration parameter, and OpenBGPD got it right. | |
5929 | */ | |
5930 | ||
5931 | if ((peer->gtsm_hops == 0) && (peer->sort != BGP_PEER_IBGP)) { | |
5932 | if (is_ebgp_multihop_configured(peer)) | |
5933 | return BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK; | |
5934 | ||
5935 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5936 | peer->gtsm_hops = gtsm_hops; | |
5937 | ||
5938 | /* Calling ebgp multihop also resets the session. | |
5939 | * On restart, NHT will get setup correctly as will the | |
5940 | * min & max ttls on the socket. The return value is | |
5941 | * irrelevant. | |
5942 | */ | |
5943 | ret = peer_ebgp_multihop_set(peer, MAXTTL); | |
5944 | ||
5945 | if (ret != 0) | |
5946 | return ret; | |
5947 | } else { | |
5948 | group = peer->group; | |
5949 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, | |
5950 | peer)) { | |
5951 | peer->gtsm_hops = group->conf->gtsm_hops; | |
5952 | ||
5953 | /* Calling ebgp multihop also resets the | |
5954 | * session. | |
5955 | * On restart, NHT will get setup correctly as | |
5956 | * will the | |
5957 | * min & max ttls on the socket. The return | |
5958 | * value is | |
5959 | * irrelevant. | |
5960 | */ | |
5961 | peer_ebgp_multihop_set(peer, MAXTTL); | |
5962 | } | |
5963 | } | |
5964 | } else { | |
5965 | /* Post the first gtsm setup or if its ibgp, maxttl setting | |
5966 | * isn't | |
5967 | * necessary, just set the minttl. | |
5968 | */ | |
5969 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
5970 | peer->gtsm_hops = gtsm_hops; | |
5971 | ||
5972 | if (peer->fd >= 0) | |
5973 | sockopt_minttl(peer->su.sa.sa_family, peer->fd, | |
5974 | MAXTTL + 1 - gtsm_hops); | |
5975 | if ((peer->status < Established) && peer->doppelganger | |
5976 | && (peer->doppelganger->fd >= 0)) | |
5977 | sockopt_minttl(peer->su.sa.sa_family, | |
5978 | peer->doppelganger->fd, | |
5979 | MAXTTL + 1 - gtsm_hops); | |
5980 | } else { | |
5981 | group = peer->group; | |
5982 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, | |
5983 | peer)) { | |
5984 | peer->gtsm_hops = group->conf->gtsm_hops; | |
5985 | ||
5986 | /* Change setting of existing peer | |
5987 | * established then change value (may break | |
5988 | * connectivity) | |
5989 | * not established yet (teardown session and | |
5990 | * restart) | |
5991 | * no session then do nothing (will get | |
5992 | * handled by next connection) | |
5993 | */ | |
5994 | if (peer->fd >= 0 && peer->gtsm_hops != 0) | |
5995 | sockopt_minttl( | |
5996 | peer->su.sa.sa_family, peer->fd, | |
5997 | MAXTTL + 1 - peer->gtsm_hops); | |
5998 | if ((peer->status < Established) | |
5999 | && peer->doppelganger | |
6000 | && (peer->doppelganger->fd >= 0)) | |
6001 | sockopt_minttl(peer->su.sa.sa_family, | |
6002 | peer->doppelganger->fd, | |
6003 | MAXTTL + 1 - gtsm_hops); | |
6004 | } | |
6005 | } | |
6006 | } | |
718e3744 | 6007 | |
d62a17ae | 6008 | return 0; |
718e3744 | 6009 | } |
6010 | ||
d62a17ae | 6011 | int peer_ttl_security_hops_unset(struct peer *peer) |
6012 | { | |
6013 | struct peer_group *group; | |
6014 | struct listnode *node, *nnode; | |
6015 | int ret = 0; | |
6016 | ||
6017 | zlog_debug("peer_ttl_security_hops_unset: set gtsm_hops to zero for %s", | |
6018 | peer->host); | |
6019 | ||
6020 | /* if a peer-group member, then reset to peer-group default rather than | |
6021 | * 0 */ | |
6022 | if (peer_group_active(peer)) | |
6023 | peer->gtsm_hops = peer->group->conf->gtsm_hops; | |
6024 | else | |
6025 | peer->gtsm_hops = 0; | |
6026 | ||
6027 | if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
6028 | /* Invoking ebgp_multihop_set will set the TTL back to the | |
6029 | * original | |
6030 | * value as well as restting the NHT and such. The session is | |
6031 | * reset. | |
6032 | */ | |
6033 | if (peer->sort == BGP_PEER_EBGP) | |
6034 | ret = peer_ebgp_multihop_unset(peer); | |
6035 | else { | |
6036 | if (peer->fd >= 0) | |
6037 | sockopt_minttl(peer->su.sa.sa_family, peer->fd, | |
6038 | 0); | |
6039 | ||
6040 | if ((peer->status < Established) && peer->doppelganger | |
6041 | && (peer->doppelganger->fd >= 0)) | |
6042 | sockopt_minttl(peer->su.sa.sa_family, | |
6043 | peer->doppelganger->fd, 0); | |
6044 | } | |
6045 | } else { | |
6046 | group = peer->group; | |
6047 | for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) { | |
6048 | peer->gtsm_hops = 0; | |
6049 | if (peer->sort == BGP_PEER_EBGP) | |
6050 | ret = peer_ebgp_multihop_unset(peer); | |
6051 | else { | |
6052 | if (peer->fd >= 0) | |
6053 | sockopt_minttl(peer->su.sa.sa_family, | |
6054 | peer->fd, 0); | |
6055 | ||
6056 | if ((peer->status < Established) | |
6057 | && peer->doppelganger | |
6058 | && (peer->doppelganger->fd >= 0)) | |
6059 | sockopt_minttl(peer->su.sa.sa_family, | |
6060 | peer->doppelganger->fd, | |
6061 | 0); | |
6062 | } | |
6063 | } | |
6064 | } | |
718e3744 | 6065 | |
d62a17ae | 6066 | return ret; |
6067 | } | |
6068 | ||
6069 | /* | |
6070 | * If peer clear is invoked in a loop for all peers on the BGP instance, | |
6071 | * it may end up freeing the doppelganger, and if this was the next node | |
6072 | * to the current node, we would end up accessing the freed next node. | |
6073 | * Pass along additional parameter which can be updated if next node | |
6074 | * is freed; only required when walking the peer list on BGP instance. | |
6075 | */ | |
6076 | int peer_clear(struct peer *peer, struct listnode **nnode) | |
6077 | { | |
6078 | if (!CHECK_FLAG(peer->flags, PEER_FLAG_SHUTDOWN)) { | |
6079 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW)) { | |
6080 | UNSET_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); | |
6081 | if (peer->t_pmax_restart) { | |
6082 | BGP_TIMER_OFF(peer->t_pmax_restart); | |
6083 | if (bgp_debug_neighbor_events(peer)) | |
6084 | zlog_debug( | |
6085 | "%s Maximum-prefix restart timer canceled", | |
6086 | peer->host); | |
6087 | } | |
6088 | BGP_EVENT_ADD(peer, BGP_Start); | |
6089 | return 0; | |
6090 | } | |
6091 | ||
6092 | peer->v_start = BGP_INIT_START_TIMER; | |
6093 | if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) | |
6094 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
6095 | BGP_NOTIFY_CEASE_ADMIN_RESET); | |
6096 | else | |
6097 | bgp_session_reset_safe(peer, nnode); | |
718e3744 | 6098 | } |
d62a17ae | 6099 | return 0; |
718e3744 | 6100 | } |
6b0655a2 | 6101 | |
d62a17ae | 6102 | int peer_clear_soft(struct peer *peer, afi_t afi, safi_t safi, |
6103 | enum bgp_clear_type stype) | |
718e3744 | 6104 | { |
d62a17ae | 6105 | struct peer_af *paf; |
718e3744 | 6106 | |
d62a17ae | 6107 | if (peer->status != Established) |
6108 | return 0; | |
718e3744 | 6109 | |
d62a17ae | 6110 | if (!peer->afc[afi][safi]) |
6111 | return BGP_ERR_AF_UNCONFIGURED; | |
718e3744 | 6112 | |
d62a17ae | 6113 | peer->rtt = sockopt_tcp_rtt(peer->fd); |
718e3744 | 6114 | |
d62a17ae | 6115 | if (stype == BGP_CLEAR_SOFT_OUT || stype == BGP_CLEAR_SOFT_BOTH) { |
6116 | /* Clear the "neighbor x.x.x.x default-originate" flag */ | |
6117 | paf = peer_af_find(peer, afi, safi); | |
6118 | if (paf && paf->subgroup | |
6119 | && CHECK_FLAG(paf->subgroup->sflags, | |
6120 | SUBGRP_STATUS_DEFAULT_ORIGINATE)) | |
6121 | UNSET_FLAG(paf->subgroup->sflags, | |
6122 | SUBGRP_STATUS_DEFAULT_ORIGINATE); | |
718e3744 | 6123 | |
d62a17ae | 6124 | bgp_announce_route(peer, afi, safi); |
6125 | } | |
718e3744 | 6126 | |
d62a17ae | 6127 | if (stype == BGP_CLEAR_SOFT_IN_ORF_PREFIX) { |
6128 | if (CHECK_FLAG(peer->af_cap[afi][safi], | |
6129 | PEER_CAP_ORF_PREFIX_SM_ADV) | |
6130 | && (CHECK_FLAG(peer->af_cap[afi][safi], | |
6131 | PEER_CAP_ORF_PREFIX_RM_RCV) | |
6132 | || CHECK_FLAG(peer->af_cap[afi][safi], | |
6133 | PEER_CAP_ORF_PREFIX_RM_OLD_RCV))) { | |
6134 | struct bgp_filter *filter = &peer->filter[afi][safi]; | |
6135 | u_char prefix_type; | |
6136 | ||
6137 | if (CHECK_FLAG(peer->af_cap[afi][safi], | |
6138 | PEER_CAP_ORF_PREFIX_RM_RCV)) | |
6139 | prefix_type = ORF_TYPE_PREFIX; | |
6140 | else | |
6141 | prefix_type = ORF_TYPE_PREFIX_OLD; | |
6142 | ||
6143 | if (filter->plist[FILTER_IN].plist) { | |
6144 | if (CHECK_FLAG(peer->af_sflags[afi][safi], | |
6145 | PEER_STATUS_ORF_PREFIX_SEND)) | |
6146 | bgp_route_refresh_send( | |
6147 | peer, afi, safi, prefix_type, | |
6148 | REFRESH_DEFER, 1); | |
6149 | bgp_route_refresh_send(peer, afi, safi, | |
6150 | prefix_type, | |
6151 | REFRESH_IMMEDIATE, 0); | |
6152 | } else { | |
6153 | if (CHECK_FLAG(peer->af_sflags[afi][safi], | |
6154 | PEER_STATUS_ORF_PREFIX_SEND)) | |
6155 | bgp_route_refresh_send( | |
6156 | peer, afi, safi, prefix_type, | |
6157 | REFRESH_IMMEDIATE, 1); | |
6158 | else | |
6159 | bgp_route_refresh_send(peer, afi, safi, | |
6160 | 0, 0, 0); | |
6161 | } | |
6162 | return 0; | |
6163 | } | |
6164 | } | |
718e3744 | 6165 | |
d62a17ae | 6166 | if (stype == BGP_CLEAR_SOFT_IN || stype == BGP_CLEAR_SOFT_BOTH |
6167 | || stype == BGP_CLEAR_SOFT_IN_ORF_PREFIX) { | |
6168 | /* If neighbor has soft reconfiguration inbound flag. | |
6169 | Use Adj-RIB-In database. */ | |
6170 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
6171 | PEER_FLAG_SOFT_RECONFIG)) | |
6172 | bgp_soft_reconfig_in(peer, afi, safi); | |
6173 | else { | |
6174 | /* If neighbor has route refresh capability, send route | |
6175 | refresh | |
6176 | message to the peer. */ | |
6177 | if (CHECK_FLAG(peer->cap, PEER_CAP_REFRESH_OLD_RCV) | |
6178 | || CHECK_FLAG(peer->cap, PEER_CAP_REFRESH_NEW_RCV)) | |
6179 | bgp_route_refresh_send(peer, afi, safi, 0, 0, | |
6180 | 0); | |
6181 | else | |
6182 | return BGP_ERR_SOFT_RECONFIG_UNCONFIGURED; | |
6183 | } | |
6184 | } | |
6185 | return 0; | |
718e3744 | 6186 | } |
6187 | ||
d62a17ae | 6188 | /* Display peer uptime.*/ |
6189 | char *peer_uptime(time_t uptime2, char *buf, size_t len, u_char use_json, | |
6190 | json_object *json) | |
6191 | { | |
6192 | time_t uptime1, epoch_tbuf; | |
6193 | struct tm *tm; | |
6194 | ||
6195 | /* Check buffer length. */ | |
6196 | if (len < BGP_UPTIME_LEN) { | |
6197 | if (!use_json) { | |
6198 | zlog_warn("peer_uptime (): buffer shortage %lu", | |
6199 | (u_long)len); | |
6200 | /* XXX: should return status instead of buf... */ | |
6201 | snprintf(buf, len, "<error> "); | |
6202 | } | |
6203 | return buf; | |
6204 | } | |
6205 | ||
6206 | /* If there is no connection has been done before print `never'. */ | |
6207 | if (uptime2 == 0) { | |
6208 | if (use_json) { | |
6209 | json_object_string_add(json, "peerUptime", "never"); | |
6210 | json_object_int_add(json, "peerUptimeMsec", 0); | |
6211 | } else | |
6212 | snprintf(buf, len, "never"); | |
6213 | return buf; | |
6214 | } | |
718e3744 | 6215 | |
d62a17ae | 6216 | /* Get current time. */ |
6217 | uptime1 = bgp_clock(); | |
6218 | uptime1 -= uptime2; | |
6219 | tm = gmtime(&uptime1); | |
718e3744 | 6220 | |
d62a17ae | 6221 | if (uptime1 < ONE_DAY_SECOND) |
6222 | snprintf(buf, len, "%02d:%02d:%02d", tm->tm_hour, tm->tm_min, | |
6223 | tm->tm_sec); | |
6224 | else if (uptime1 < ONE_WEEK_SECOND) | |
6225 | snprintf(buf, len, "%dd%02dh%02dm", tm->tm_yday, tm->tm_hour, | |
6226 | tm->tm_min); | |
6227 | else if (uptime1 < ONE_YEAR_SECOND) | |
6228 | snprintf(buf, len, "%02dw%dd%02dh", tm->tm_yday / 7, | |
6229 | tm->tm_yday - ((tm->tm_yday / 7) * 7), tm->tm_hour); | |
6230 | else | |
6231 | snprintf(buf, len, "%02dy%02dw%dd", tm->tm_year - 70, | |
6232 | tm->tm_yday / 7, | |
6233 | tm->tm_yday - ((tm->tm_yday / 7) * 7)); | |
6234 | ||
6235 | if (use_json) { | |
6236 | epoch_tbuf = time(NULL) - uptime1; | |
6237 | json_object_string_add(json, "peerUptime", buf); | |
6238 | json_object_int_add(json, "peerUptimeMsec", uptime1 * 1000); | |
6239 | json_object_int_add(json, "peerUptimeEstablishedEpoch", | |
6240 | epoch_tbuf); | |
6241 | } | |
718e3744 | 6242 | |
d62a17ae | 6243 | return buf; |
718e3744 | 6244 | } |
6245 | ||
d62a17ae | 6246 | static void bgp_config_write_filter(struct vty *vty, struct peer *peer, |
2b791107 | 6247 | afi_t afi, safi_t safi) |
518f0eb1 | 6248 | { |
d62a17ae | 6249 | struct bgp_filter *filter; |
6250 | struct bgp_filter *gfilter = NULL; | |
6251 | char *addr; | |
6252 | int in = FILTER_IN; | |
6253 | int out = FILTER_OUT; | |
518f0eb1 | 6254 | |
d62a17ae | 6255 | addr = peer->host; |
6256 | filter = &peer->filter[afi][safi]; | |
518f0eb1 | 6257 | |
d62a17ae | 6258 | if (peer_group_active(peer)) |
6259 | gfilter = &peer->group->conf->filter[afi][safi]; | |
6260 | ||
6261 | /* distribute-list. */ | |
6262 | if (filter->dlist[in].name) | |
6263 | if (!gfilter || !gfilter->dlist[in].name | |
6264 | || strcmp(filter->dlist[in].name, gfilter->dlist[in].name) | |
6265 | != 0) { | |
2b791107 DL |
6266 | vty_out(vty, " neighbor %s distribute-list %s in\n", |
6267 | addr, filter->dlist[in].name); | |
d62a17ae | 6268 | } |
6b0655a2 | 6269 | |
d62a17ae | 6270 | if (filter->dlist[out].name && !gfilter) { |
2b791107 DL |
6271 | vty_out(vty, " neighbor %s distribute-list %s out\n", addr, |
6272 | filter->dlist[out].name); | |
d62a17ae | 6273 | } |
718e3744 | 6274 | |
d62a17ae | 6275 | /* prefix-list. */ |
6276 | if (filter->plist[in].name) | |
6277 | if (!gfilter || !gfilter->plist[in].name | |
6278 | || strcmp(filter->plist[in].name, gfilter->plist[in].name) | |
6279 | != 0) { | |
2b791107 DL |
6280 | vty_out(vty, " neighbor %s prefix-list %s in\n", addr, |
6281 | filter->plist[in].name); | |
d62a17ae | 6282 | } |
718e3744 | 6283 | |
2b791107 DL |
6284 | if (filter->plist[out].name) |
6285 | if (!gfilter || !gfilter->plist[out].name | |
6286 | || strcmp(filter->plist[out].name, gfilter->plist[out].name) | |
6287 | != 0) { | |
6288 | vty_out(vty, " neighbor %s prefix-list %s out\n", addr, | |
6289 | filter->plist[out].name); | |
6290 | } | |
718e3744 | 6291 | |
d62a17ae | 6292 | /* route-map. */ |
6293 | if (filter->map[RMAP_IN].name) | |
6294 | if (!gfilter || !gfilter->map[RMAP_IN].name | |
6295 | || strcmp(filter->map[RMAP_IN].name, | |
6296 | gfilter->map[RMAP_IN].name) | |
6297 | != 0) { | |
2b791107 DL |
6298 | vty_out(vty, " neighbor %s route-map %s in\n", addr, |
6299 | filter->map[RMAP_IN].name); | |
d62a17ae | 6300 | } |
518f0eb1 | 6301 | |
d62a17ae | 6302 | if (filter->map[RMAP_OUT].name) |
6303 | if (!gfilter || !gfilter->map[RMAP_OUT].name | |
6304 | || strcmp(filter->map[RMAP_OUT].name, | |
6305 | gfilter->map[RMAP_OUT].name) | |
6306 | != 0) { | |
2b791107 DL |
6307 | vty_out(vty, " neighbor %s route-map %s out\n", addr, |
6308 | filter->map[RMAP_OUT].name); | |
d62a17ae | 6309 | } |
718e3744 | 6310 | |
d62a17ae | 6311 | /* unsuppress-map */ |
6312 | if (filter->usmap.name && !gfilter) { | |
2b791107 DL |
6313 | vty_out(vty, " neighbor %s unsuppress-map %s\n", addr, |
6314 | filter->usmap.name); | |
d62a17ae | 6315 | } |
718e3744 | 6316 | |
d62a17ae | 6317 | /* filter-list. */ |
6318 | if (filter->aslist[in].name) | |
6319 | if (!gfilter || !gfilter->aslist[in].name | |
6320 | || strcmp(filter->aslist[in].name, gfilter->aslist[in].name) | |
6321 | != 0) { | |
2b791107 DL |
6322 | vty_out(vty, " neighbor %s filter-list %s in\n", addr, |
6323 | filter->aslist[in].name); | |
d62a17ae | 6324 | } |
718e3744 | 6325 | |
d62a17ae | 6326 | if (filter->aslist[out].name && !gfilter) { |
2b791107 DL |
6327 | vty_out(vty, " neighbor %s filter-list %s out\n", addr, |
6328 | filter->aslist[out].name); | |
d62a17ae | 6329 | } |
718e3744 | 6330 | } |
6331 | ||
d62a17ae | 6332 | /* BGP peer configuration display function. */ |
6333 | static void bgp_config_write_peer_global(struct vty *vty, struct bgp *bgp, | |
6334 | struct peer *peer) | |
6335 | { | |
6336 | struct peer *g_peer = NULL; | |
6337 | char buf[SU_ADDRSTRLEN]; | |
6338 | char *addr; | |
6339 | int if_pg_printed = FALSE; | |
6340 | int if_ras_printed = FALSE; | |
6341 | ||
6342 | /* Skip dynamic neighbors. */ | |
6343 | if (peer_dynamic_neighbor(peer)) | |
6344 | return; | |
6345 | ||
6346 | if (peer->conf_if) | |
6347 | addr = peer->conf_if; | |
6348 | else | |
6349 | addr = peer->host; | |
6350 | ||
6351 | /************************************ | |
6352 | ****** Global to the neighbor ****** | |
6353 | ************************************/ | |
6354 | if (peer->conf_if) { | |
6355 | if (CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY)) | |
6356 | vty_out(vty, " neighbor %s interface v6only", addr); | |
6357 | else | |
6358 | vty_out(vty, " neighbor %s interface", addr); | |
6359 | ||
6360 | if (peer_group_active(peer)) { | |
6361 | vty_out(vty, " peer-group %s", peer->group->name); | |
6362 | if_pg_printed = TRUE; | |
6363 | } else if (peer->as_type == AS_SPECIFIED) { | |
6364 | vty_out(vty, " remote-as %u", peer->as); | |
6365 | if_ras_printed = TRUE; | |
6366 | } else if (peer->as_type == AS_INTERNAL) { | |
6367 | vty_out(vty, " remote-as internal"); | |
6368 | if_ras_printed = TRUE; | |
6369 | } else if (peer->as_type == AS_EXTERNAL) { | |
6370 | vty_out(vty, " remote-as external"); | |
6371 | if_ras_printed = TRUE; | |
6372 | } | |
718e3744 | 6373 | |
d62a17ae | 6374 | vty_out(vty, "\n"); |
6375 | } | |
718e3744 | 6376 | |
d62a17ae | 6377 | /* remote-as and peer-group */ |
6378 | /* peer is a member of a peer-group */ | |
6379 | if (peer_group_active(peer)) { | |
6380 | g_peer = peer->group->conf; | |
6381 | ||
6382 | if (g_peer->as_type == AS_UNSPECIFIED && !if_ras_printed) { | |
6383 | if (peer->as_type == AS_SPECIFIED) { | |
6384 | vty_out(vty, " neighbor %s remote-as %u\n", | |
6385 | addr, peer->as); | |
6386 | } else if (peer->as_type == AS_INTERNAL) { | |
6387 | vty_out(vty, | |
6388 | " neighbor %s remote-as internal\n", | |
6389 | addr); | |
6390 | } else if (peer->as_type == AS_EXTERNAL) { | |
6391 | vty_out(vty, | |
6392 | " neighbor %s remote-as external\n", | |
6393 | addr); | |
6394 | } | |
6395 | } | |
718e3744 | 6396 | |
d62a17ae | 6397 | /* For swpX peers we displayed the peer-group |
6398 | * via 'neighbor swpX interface peer-group WORD' */ | |
6399 | if (!if_pg_printed) | |
6400 | vty_out(vty, " neighbor %s peer-group %s\n", addr, | |
6401 | peer->group->name); | |
6402 | } | |
718e3744 | 6403 | |
d62a17ae | 6404 | /* peer is NOT a member of a peer-group */ |
6405 | else { | |
6406 | /* peer is a peer-group, declare the peer-group */ | |
6407 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) { | |
6408 | vty_out(vty, " neighbor %s peer-group\n", addr); | |
6409 | } | |
6b0655a2 | 6410 | |
d62a17ae | 6411 | if (!if_ras_printed) { |
6412 | if (peer->as_type == AS_SPECIFIED) { | |
6413 | vty_out(vty, " neighbor %s remote-as %u\n", | |
6414 | addr, peer->as); | |
6415 | } else if (peer->as_type == AS_INTERNAL) { | |
6416 | vty_out(vty, | |
6417 | " neighbor %s remote-as internal\n", | |
6418 | addr); | |
6419 | } else if (peer->as_type == AS_EXTERNAL) { | |
6420 | vty_out(vty, | |
6421 | " neighbor %s remote-as external\n", | |
6422 | addr); | |
6423 | } | |
6424 | } | |
6425 | } | |
718e3744 | 6426 | |
d62a17ae | 6427 | /* local-as */ |
6428 | if (peer->change_local_as) { | |
6429 | if (!peer_group_active(peer) | |
6430 | || peer->change_local_as != g_peer->change_local_as | |
6431 | || (CHECK_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND) | |
6432 | != CHECK_FLAG(g_peer->flags, | |
6433 | PEER_FLAG_LOCAL_AS_NO_PREPEND)) | |
6434 | || (CHECK_FLAG(peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) | |
6435 | != CHECK_FLAG(g_peer->flags, | |
6436 | PEER_FLAG_LOCAL_AS_REPLACE_AS))) { | |
6437 | vty_out(vty, " neighbor %s local-as %u%s%s\n", addr, | |
6438 | peer->change_local_as, | |
6439 | CHECK_FLAG(peer->flags, | |
6440 | PEER_FLAG_LOCAL_AS_NO_PREPEND) | |
6441 | ? " no-prepend" | |
6442 | : "", | |
6443 | CHECK_FLAG(peer->flags, | |
6444 | PEER_FLAG_LOCAL_AS_REPLACE_AS) | |
6445 | ? " replace-as" | |
6446 | : ""); | |
6447 | } | |
5f9adb5d | 6448 | } |
5f9adb5d | 6449 | |
d62a17ae | 6450 | /* description */ |
6451 | if (peer->desc) { | |
6452 | vty_out(vty, " neighbor %s description %s\n", addr, peer->desc); | |
6453 | } | |
fa411a21 | 6454 | |
d62a17ae | 6455 | /* shutdown */ |
6456 | if (CHECK_FLAG(peer->flags, PEER_FLAG_SHUTDOWN)) { | |
6457 | if (!peer_group_active(peer) | |
6458 | || !CHECK_FLAG(g_peer->flags, PEER_FLAG_SHUTDOWN) | |
6459 | || peer->tx_shutdown_message) { | |
6460 | if (peer->tx_shutdown_message) | |
6461 | vty_out(vty, | |
6462 | " neighbor %s shutdown message %s\n", | |
6463 | addr, peer->tx_shutdown_message); | |
6464 | else | |
6465 | vty_out(vty, " neighbor %s shutdown\n", addr); | |
6466 | } | |
6467 | } | |
fa411a21 | 6468 | |
d62a17ae | 6469 | /* bfd */ |
6470 | if (peer->bfd_info) { | |
6471 | if (!peer_group_active(peer) || !g_peer->bfd_info) { | |
6472 | bgp_bfd_peer_config_write(vty, peer, addr); | |
6473 | } | |
6474 | } | |
e5cc509c | 6475 | |
d62a17ae | 6476 | /* password */ |
6477 | if (peer->password) { | |
6478 | if (!peer_group_active(peer) || !g_peer->password | |
6479 | || strcmp(peer->password, g_peer->password) != 0) { | |
6480 | vty_out(vty, " neighbor %s password %s\n", addr, | |
6481 | peer->password); | |
6482 | } | |
6483 | } | |
fa411a21 | 6484 | |
d62a17ae | 6485 | /* neighbor solo */ |
6486 | if (CHECK_FLAG(peer->flags, PEER_FLAG_LONESOUL)) { | |
6487 | if (!peer_group_active(peer)) { | |
6488 | vty_out(vty, " neighbor %s solo\n", addr); | |
6489 | } | |
6490 | } | |
fa411a21 | 6491 | |
d62a17ae | 6492 | /* BGP port */ |
6493 | if (peer->port != BGP_PORT_DEFAULT) { | |
6494 | vty_out(vty, " neighbor %s port %d\n", addr, peer->port); | |
6495 | } | |
e5cc509c | 6496 | |
d62a17ae | 6497 | /* Local interface name */ |
6498 | if (peer->ifname) { | |
6499 | vty_out(vty, " neighbor %s interface %s\n", addr, peer->ifname); | |
e5cc509c | 6500 | } |
fa411a21 | 6501 | |
d62a17ae | 6502 | /* passive */ |
6503 | if (CHECK_FLAG(peer->flags, PEER_FLAG_PASSIVE)) { | |
6504 | if (!peer_group_active(peer) | |
6505 | || !CHECK_FLAG(g_peer->flags, PEER_FLAG_PASSIVE)) { | |
6506 | vty_out(vty, " neighbor %s passive\n", addr); | |
6507 | } | |
e5cc509c | 6508 | } |
1ff9a340 | 6509 | |
d62a17ae | 6510 | /* ebgp-multihop */ |
6511 | if (peer->sort != BGP_PEER_IBGP && peer->ttl != 1 | |
6512 | && !(peer->gtsm_hops != 0 && peer->ttl == MAXTTL)) { | |
6513 | if (!peer_group_active(peer) || g_peer->ttl != peer->ttl) { | |
6514 | vty_out(vty, " neighbor %s ebgp-multihop %d\n", addr, | |
6515 | peer->ttl); | |
6516 | } | |
fa411a21 | 6517 | } |
fa411a21 | 6518 | |
d62a17ae | 6519 | /* ttl-security hops */ |
6520 | if (peer->gtsm_hops != 0) { | |
6521 | if (!peer_group_active(peer) | |
6522 | || g_peer->gtsm_hops != peer->gtsm_hops) { | |
6523 | vty_out(vty, " neighbor %s ttl-security hops %d\n", | |
6524 | addr, peer->gtsm_hops); | |
6525 | } | |
6526 | } | |
6527 | ||
6528 | /* disable-connected-check */ | |
6529 | if (CHECK_FLAG(peer->flags, PEER_FLAG_DISABLE_CONNECTED_CHECK)) { | |
6530 | if (!peer_group_active(peer) | |
6531 | || !CHECK_FLAG(g_peer->flags, | |
6532 | PEER_FLAG_DISABLE_CONNECTED_CHECK)) { | |
6533 | vty_out(vty, " neighbor %s disable-connected-check\n", | |
6534 | addr); | |
6535 | } | |
6536 | } | |
6537 | ||
6538 | /* update-source */ | |
6539 | if (peer->update_if) { | |
6540 | if (!peer_group_active(peer) || !g_peer->update_if | |
6541 | || strcmp(g_peer->update_if, peer->update_if) != 0) { | |
6542 | vty_out(vty, " neighbor %s update-source %s\n", addr, | |
6543 | peer->update_if); | |
6544 | } | |
6545 | } | |
6546 | if (peer->update_source) { | |
6547 | if (!peer_group_active(peer) || !g_peer->update_source | |
6548 | || sockunion_cmp(g_peer->update_source, peer->update_source) | |
6549 | != 0) { | |
6550 | vty_out(vty, " neighbor %s update-source %s\n", addr, | |
6551 | sockunion2str(peer->update_source, buf, | |
6552 | SU_ADDRSTRLEN)); | |
6553 | } | |
6554 | } | |
6555 | ||
6556 | /* advertisement-interval */ | |
6557 | if (CHECK_FLAG(peer->config, PEER_CONFIG_ROUTEADV) | |
6558 | && ((!peer_group_active(peer) | |
6559 | && peer->v_routeadv != BGP_DEFAULT_EBGP_ROUTEADV) | |
6560 | || (peer_group_active(peer) | |
6561 | && peer->v_routeadv != g_peer->v_routeadv))) { | |
6562 | vty_out(vty, " neighbor %s advertisement-interval %u\n", addr, | |
6563 | peer->v_routeadv); | |
6564 | } | |
6565 | ||
6566 | /* timers */ | |
d25e4efc | 6567 | if ((PEER_OR_GROUP_TIMER_SET(peer)) |
d62a17ae | 6568 | && ((!peer_group_active(peer) |
6569 | && (peer->keepalive != BGP_DEFAULT_KEEPALIVE | |
6570 | || peer->holdtime != BGP_DEFAULT_HOLDTIME)) | |
6571 | || (peer_group_active(peer) | |
6572 | && (peer->keepalive != g_peer->keepalive | |
6573 | || peer->holdtime != g_peer->holdtime)))) { | |
6574 | vty_out(vty, " neighbor %s timers %u %u\n", addr, | |
6575 | peer->keepalive, peer->holdtime); | |
6576 | } | |
6577 | ||
6578 | if (CHECK_FLAG(peer->config, PEER_CONFIG_CONNECT) | |
6579 | && ((!peer_group_active(peer) | |
6580 | && peer->connect != BGP_DEFAULT_CONNECT_RETRY) | |
6581 | || (peer_group_active(peer) | |
6582 | && peer->connect != g_peer->connect))) | |
6b0655a2 | 6583 | |
718e3744 | 6584 | { |
d62a17ae | 6585 | vty_out(vty, " neighbor %s timers connect %u\n", addr, |
6586 | peer->connect); | |
718e3744 | 6587 | } |
6b0655a2 | 6588 | |
d62a17ae | 6589 | /* capability dynamic */ |
6590 | if (CHECK_FLAG(peer->flags, PEER_FLAG_DYNAMIC_CAPABILITY)) { | |
6591 | if (!peer_group_active(peer) | |
6592 | || !CHECK_FLAG(g_peer->flags, | |
6593 | PEER_FLAG_DYNAMIC_CAPABILITY)) { | |
6594 | vty_out(vty, " neighbor %s capability dynamic\n", addr); | |
6595 | } | |
6596 | } | |
718e3744 | 6597 | |
d62a17ae | 6598 | /* capability extended-nexthop */ |
6599 | if (peer->ifp && !CHECK_FLAG(peer->flags, PEER_FLAG_CAPABILITY_ENHE)) { | |
6600 | if (!peer_group_active(peer) | |
6601 | || !CHECK_FLAG(g_peer->flags, PEER_FLAG_CAPABILITY_ENHE)) { | |
6602 | vty_out(vty, | |
6603 | " no neighbor %s capability extended-nexthop\n", | |
6604 | addr); | |
6605 | } | |
6606 | } | |
718e3744 | 6607 | |
d62a17ae | 6608 | if (!peer->ifp && CHECK_FLAG(peer->flags, PEER_FLAG_CAPABILITY_ENHE)) { |
6609 | if (!peer_group_active(peer) | |
6610 | || !CHECK_FLAG(g_peer->flags, PEER_FLAG_CAPABILITY_ENHE)) { | |
6611 | vty_out(vty, | |
6612 | " neighbor %s capability extended-nexthop\n", | |
6613 | addr); | |
6614 | } | |
6615 | } | |
6616 | ||
6617 | /* dont-capability-negotiation */ | |
6618 | if (CHECK_FLAG(peer->flags, PEER_FLAG_DONT_CAPABILITY)) { | |
6619 | if (!peer_group_active(peer) | |
6620 | || !CHECK_FLAG(g_peer->flags, PEER_FLAG_DONT_CAPABILITY)) { | |
6621 | vty_out(vty, " neighbor %s dont-capability-negotiate\n", | |
6622 | addr); | |
6623 | } | |
6624 | } | |
6625 | ||
6626 | /* override-capability */ | |
6627 | if (CHECK_FLAG(peer->flags, PEER_FLAG_OVERRIDE_CAPABILITY)) { | |
6628 | if (!peer_group_active(peer) | |
6629 | || !CHECK_FLAG(g_peer->flags, | |
6630 | PEER_FLAG_OVERRIDE_CAPABILITY)) { | |
6631 | vty_out(vty, " neighbor %s override-capability\n", | |
6632 | addr); | |
6633 | } | |
6634 | } | |
6635 | ||
6636 | /* strict-capability-match */ | |
6637 | if (CHECK_FLAG(peer->flags, PEER_FLAG_STRICT_CAP_MATCH)) { | |
6638 | if (!peer_group_active(peer) | |
6639 | || !CHECK_FLAG(g_peer->flags, PEER_FLAG_STRICT_CAP_MATCH)) { | |
6640 | vty_out(vty, " neighbor %s strict-capability-match\n", | |
6641 | addr); | |
6642 | } | |
6643 | } | |
0b960b4d DW |
6644 | } |
6645 | ||
0b960b4d | 6646 | /* BGP peer configuration display function. */ |
d62a17ae | 6647 | static void bgp_config_write_peer_af(struct vty *vty, struct bgp *bgp, |
2b791107 | 6648 | struct peer *peer, afi_t afi, safi_t safi) |
d62a17ae | 6649 | { |
6650 | struct peer *g_peer = NULL; | |
6651 | char *addr; | |
6652 | ||
6653 | /* Skip dynamic neighbors. */ | |
6654 | if (peer_dynamic_neighbor(peer)) | |
6655 | return; | |
6656 | ||
6657 | if (peer->conf_if) | |
6658 | addr = peer->conf_if; | |
6659 | else | |
6660 | addr = peer->host; | |
6661 | ||
6662 | /************************************ | |
6663 | ****** Per AF to the neighbor ****** | |
6664 | ************************************/ | |
6665 | if (peer_group_active(peer)) { | |
6666 | g_peer = peer->group->conf; | |
6667 | ||
6668 | /* If the peer-group is active but peer is not, print a 'no | |
6669 | * activate' */ | |
6670 | if (g_peer->afc[afi][safi] && !peer->afc[afi][safi]) { | |
2b791107 | 6671 | vty_out(vty, " no neighbor %s activate\n", addr); |
d62a17ae | 6672 | } |
6673 | ||
6674 | /* If the peer-group is not active but peer is, print an | |
6675 | 'activate' */ | |
6676 | else if (!g_peer->afc[afi][safi] && peer->afc[afi][safi]) { | |
2b791107 | 6677 | vty_out(vty, " neighbor %s activate\n", addr); |
d62a17ae | 6678 | } |
6679 | } else { | |
6680 | if (peer->afc[afi][safi]) { | |
6681 | if ((afi == AFI_IP) && (safi == SAFI_UNICAST)) { | |
6682 | if (bgp_flag_check(bgp, | |
6683 | BGP_FLAG_NO_DEFAULT_IPV4)) { | |
2b791107 | 6684 | vty_out(vty, " neighbor %s activate\n", |
d62a17ae | 6685 | addr); |
6686 | } | |
6687 | } else | |
2b791107 | 6688 | vty_out(vty, " neighbor %s activate\n", addr); |
d62a17ae | 6689 | } else { |
6690 | if ((afi == AFI_IP) && (safi == SAFI_UNICAST)) { | |
6691 | if (!bgp_flag_check(bgp, | |
6692 | BGP_FLAG_NO_DEFAULT_IPV4)) { | |
2b791107 | 6693 | vty_out(vty, |
d62a17ae | 6694 | " no neighbor %s activate\n", |
6695 | addr); | |
6696 | } | |
6697 | } | |
6698 | } | |
6699 | } | |
6700 | ||
6701 | /* addpath TX knobs */ | |
6702 | if (peergroup_af_flag_check(peer, afi, safi, | |
6703 | PEER_FLAG_ADDPATH_TX_ALL_PATHS)) { | |
2b791107 | 6704 | vty_out(vty, " neighbor %s addpath-tx-all-paths\n", addr); |
d62a17ae | 6705 | } |
6706 | ||
6707 | if (peergroup_af_flag_check(peer, afi, safi, | |
6708 | PEER_FLAG_ADDPATH_TX_BESTPATH_PER_AS)) { | |
2b791107 DL |
6709 | vty_out(vty, " neighbor %s addpath-tx-bestpath-per-AS\n", |
6710 | addr); | |
d62a17ae | 6711 | } |
6712 | ||
6713 | /* ORF capability. */ | |
6714 | if (peergroup_af_flag_check(peer, afi, safi, PEER_FLAG_ORF_PREFIX_SM) | |
6715 | || peergroup_af_flag_check(peer, afi, safi, | |
6716 | PEER_FLAG_ORF_PREFIX_RM)) { | |
2b791107 | 6717 | vty_out(vty, " neighbor %s capability orf prefix-list", addr); |
d62a17ae | 6718 | |
6719 | if (peergroup_af_flag_check(peer, afi, safi, | |
6720 | PEER_FLAG_ORF_PREFIX_SM) | |
6721 | && peergroup_af_flag_check(peer, afi, safi, | |
6722 | PEER_FLAG_ORF_PREFIX_RM)) | |
6723 | vty_out(vty, " both"); | |
6724 | else if (peergroup_af_flag_check(peer, afi, safi, | |
6725 | PEER_FLAG_ORF_PREFIX_SM)) | |
6726 | vty_out(vty, " send"); | |
6727 | else | |
6728 | vty_out(vty, " receive"); | |
6729 | vty_out(vty, "\n"); | |
6730 | } | |
6731 | ||
6732 | /* Route reflector client. */ | |
6733 | if (peergroup_af_flag_check(peer, afi, safi, | |
6734 | PEER_FLAG_REFLECTOR_CLIENT)) { | |
2b791107 | 6735 | vty_out(vty, " neighbor %s route-reflector-client\n", addr); |
d62a17ae | 6736 | } |
6737 | ||
6738 | /* next-hop-self force */ | |
6739 | if (peergroup_af_flag_check(peer, afi, safi, | |
6740 | PEER_FLAG_FORCE_NEXTHOP_SELF)) { | |
2b791107 | 6741 | vty_out(vty, " neighbor %s next-hop-self force\n", addr); |
d62a17ae | 6742 | } |
6743 | ||
6744 | /* next-hop-self */ | |
6745 | if (peergroup_af_flag_check(peer, afi, safi, PEER_FLAG_NEXTHOP_SELF)) { | |
2b791107 | 6746 | vty_out(vty, " neighbor %s next-hop-self\n", addr); |
d62a17ae | 6747 | } |
6748 | ||
6749 | /* remove-private-AS */ | |
6750 | if (peergroup_af_flag_check(peer, afi, safi, | |
6751 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE)) { | |
2b791107 | 6752 | vty_out(vty, " neighbor %s remove-private-AS all replace-AS\n", |
d62a17ae | 6753 | addr); |
6754 | } | |
6755 | ||
6756 | else if (peergroup_af_flag_check(peer, afi, safi, | |
6757 | PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE)) { | |
2b791107 DL |
6758 | vty_out(vty, " neighbor %s remove-private-AS replace-AS\n", |
6759 | addr); | |
d62a17ae | 6760 | } |
6761 | ||
6762 | else if (peergroup_af_flag_check(peer, afi, safi, | |
6763 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL)) { | |
2b791107 | 6764 | vty_out(vty, " neighbor %s remove-private-AS all\n", addr); |
d62a17ae | 6765 | } |
6766 | ||
6767 | else if (peergroup_af_flag_check(peer, afi, safi, | |
6768 | PEER_FLAG_REMOVE_PRIVATE_AS)) { | |
2b791107 | 6769 | vty_out(vty, " neighbor %s remove-private-AS\n", addr); |
d62a17ae | 6770 | } |
6771 | ||
6772 | /* as-override */ | |
6773 | if (peergroup_af_flag_check(peer, afi, safi, PEER_FLAG_AS_OVERRIDE)) { | |
2b791107 | 6774 | vty_out(vty, " neighbor %s as-override\n", addr); |
d62a17ae | 6775 | } |
6776 | ||
6777 | /* send-community print. */ | |
6778 | if (bgp_option_check(BGP_OPT_CONFIG_CISCO)) { | |
6779 | if (peergroup_af_flag_check(peer, afi, safi, | |
6780 | PEER_FLAG_SEND_COMMUNITY) | |
6781 | && peergroup_af_flag_check(peer, afi, safi, | |
6782 | PEER_FLAG_SEND_EXT_COMMUNITY) | |
6783 | && peergroup_af_flag_check( | |
6784 | peer, afi, safi, | |
6785 | PEER_FLAG_SEND_LARGE_COMMUNITY)) { | |
2b791107 DL |
6786 | vty_out(vty, " neighbor %s send-community all\n", |
6787 | addr); | |
d62a17ae | 6788 | } else if (peergroup_af_flag_check( |
6789 | peer, afi, safi, | |
6790 | PEER_FLAG_SEND_LARGE_COMMUNITY)) { | |
2b791107 DL |
6791 | vty_out(vty, " neighbor %s send-community large\n", |
6792 | addr); | |
d62a17ae | 6793 | } else if (peergroup_af_flag_check( |
6794 | peer, afi, safi, | |
6795 | PEER_FLAG_SEND_EXT_COMMUNITY)) { | |
2b791107 | 6796 | vty_out(vty, " neighbor %s send-community extended\n", |
d62a17ae | 6797 | addr); |
6798 | } else if (peergroup_af_flag_check(peer, afi, safi, | |
6799 | PEER_FLAG_SEND_COMMUNITY)) { | |
2b791107 | 6800 | vty_out(vty, " neighbor %s send-community\n", addr); |
d62a17ae | 6801 | } |
6802 | } else { | |
6803 | if (!peer_af_flag_check(peer, afi, safi, | |
6804 | PEER_FLAG_SEND_COMMUNITY) | |
9d303b37 DL |
6805 | && (!g_peer || peer_af_flag_check(g_peer, afi, safi, |
6806 | PEER_FLAG_SEND_COMMUNITY)) | |
d62a17ae | 6807 | && !peer_af_flag_check(peer, afi, safi, |
6808 | PEER_FLAG_SEND_EXT_COMMUNITY) | |
6809 | && (!g_peer | |
6810 | || peer_af_flag_check(g_peer, afi, safi, | |
6811 | PEER_FLAG_SEND_EXT_COMMUNITY)) | |
6812 | && !peer_af_flag_check(peer, afi, safi, | |
6813 | PEER_FLAG_SEND_LARGE_COMMUNITY) | |
9d303b37 DL |
6814 | && (!g_peer || peer_af_flag_check( |
6815 | g_peer, afi, safi, | |
6816 | PEER_FLAG_SEND_LARGE_COMMUNITY))) { | |
2b791107 DL |
6817 | vty_out(vty, " no neighbor %s send-community all\n", |
6818 | addr); | |
d62a17ae | 6819 | } else { |
6820 | if (!peer_af_flag_check(peer, afi, safi, | |
6821 | PEER_FLAG_SEND_LARGE_COMMUNITY) | |
6822 | && (!g_peer | |
6823 | || peer_af_flag_check( | |
6824 | g_peer, afi, safi, | |
6825 | PEER_FLAG_SEND_LARGE_COMMUNITY))) { | |
2b791107 | 6826 | vty_out(vty, |
d62a17ae | 6827 | " no neighbor %s send-community large\n", |
6828 | addr); | |
6829 | } | |
6830 | ||
6831 | if (!peer_af_flag_check(peer, afi, safi, | |
6832 | PEER_FLAG_SEND_EXT_COMMUNITY) | |
6833 | && (!g_peer | |
6834 | || peer_af_flag_check( | |
6835 | g_peer, afi, safi, | |
6836 | PEER_FLAG_SEND_EXT_COMMUNITY))) { | |
2b791107 | 6837 | vty_out(vty, |
d62a17ae | 6838 | " no neighbor %s send-community extended\n", |
6839 | addr); | |
6840 | } | |
6841 | ||
6842 | if (!peer_af_flag_check(peer, afi, safi, | |
6843 | PEER_FLAG_SEND_COMMUNITY) | |
9d303b37 DL |
6844 | && (!g_peer || peer_af_flag_check( |
6845 | g_peer, afi, safi, | |
6846 | PEER_FLAG_SEND_COMMUNITY))) { | |
2b791107 | 6847 | vty_out(vty, |
d62a17ae | 6848 | " no neighbor %s send-community\n", |
6849 | addr); | |
6850 | } | |
6851 | } | |
6852 | } | |
6853 | ||
6854 | /* Default information */ | |
6855 | if (peergroup_af_flag_check(peer, afi, safi, | |
6856 | PEER_FLAG_DEFAULT_ORIGINATE) | |
6857 | || (g_peer | |
6858 | && ((peer->default_rmap[afi][safi].name | |
6859 | && !g_peer->default_rmap[afi][safi].name) | |
6860 | || (!peer->default_rmap[afi][safi].name | |
6861 | && g_peer->default_rmap[afi][safi].name) | |
6862 | || (peer->default_rmap[afi][safi].name | |
6863 | && strcmp(peer->default_rmap[afi][safi].name, | |
6864 | g_peer->default_rmap[afi][safi].name))))) { | |
2b791107 | 6865 | vty_out(vty, " neighbor %s default-originate", addr); |
d62a17ae | 6866 | if (peer->default_rmap[afi][safi].name) |
6867 | vty_out(vty, " route-map %s", | |
6868 | peer->default_rmap[afi][safi].name); | |
6869 | vty_out(vty, "\n"); | |
6870 | } | |
6871 | ||
6872 | /* Soft reconfiguration inbound. */ | |
6873 | if (peergroup_af_flag_check(peer, afi, safi, PEER_FLAG_SOFT_RECONFIG)) { | |
2b791107 DL |
6874 | vty_out(vty, " neighbor %s soft-reconfiguration inbound\n", |
6875 | addr); | |
d62a17ae | 6876 | } |
6877 | ||
6878 | /* maximum-prefix. */ | |
6879 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) | |
6880 | if (!peer_group_active(peer) | |
6881 | || g_peer->pmax[afi][safi] != peer->pmax[afi][safi] | |
6882 | || g_peer->pmax_threshold[afi][safi] | |
6883 | != peer->pmax_threshold[afi][safi] | |
6884 | || CHECK_FLAG(g_peer->af_flags[afi][safi], | |
6885 | PEER_FLAG_MAX_PREFIX_WARNING) | |
6886 | != CHECK_FLAG(peer->af_flags[afi][safi], | |
6887 | PEER_FLAG_MAX_PREFIX_WARNING)) { | |
2b791107 DL |
6888 | vty_out(vty, " neighbor %s maximum-prefix %lu", addr, |
6889 | peer->pmax[afi][safi]); | |
d62a17ae | 6890 | if (peer->pmax_threshold[afi][safi] |
6891 | != MAXIMUM_PREFIX_THRESHOLD_DEFAULT) | |
6892 | vty_out(vty, " %u", | |
6893 | peer->pmax_threshold[afi][safi]); | |
6894 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
6895 | PEER_FLAG_MAX_PREFIX_WARNING)) | |
6896 | vty_out(vty, " warning-only"); | |
6897 | if (peer->pmax_restart[afi][safi]) | |
6898 | vty_out(vty, " restart %u", | |
6899 | peer->pmax_restart[afi][safi]); | |
6900 | vty_out(vty, "\n"); | |
6901 | } | |
6902 | ||
6903 | /* Route server client. */ | |
6904 | if (peergroup_af_flag_check(peer, afi, safi, | |
6905 | PEER_FLAG_RSERVER_CLIENT)) { | |
2b791107 | 6906 | vty_out(vty, " neighbor %s route-server-client\n", addr); |
d62a17ae | 6907 | } |
6908 | ||
6909 | /* Nexthop-local unchanged. */ | |
6910 | if (peergroup_af_flag_check(peer, afi, safi, | |
6911 | PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED)) { | |
2b791107 | 6912 | vty_out(vty, " neighbor %s nexthop-local unchanged\n", addr); |
d62a17ae | 6913 | } |
6914 | ||
6915 | /* allowas-in <1-10> */ | |
6916 | if (peer_af_flag_check(peer, afi, safi, PEER_FLAG_ALLOWAS_IN)) { | |
6917 | if (!peer_group_active(peer) | |
6918 | || !peer_af_flag_check(g_peer, afi, safi, | |
6919 | PEER_FLAG_ALLOWAS_IN) | |
6920 | || peer->allowas_in[afi][safi] | |
6921 | != g_peer->allowas_in[afi][safi]) { | |
6922 | if (peer->allowas_in[afi][safi] == 3) { | |
2b791107 DL |
6923 | vty_out(vty, " neighbor %s allowas-in\n", |
6924 | addr); | |
d62a17ae | 6925 | } else { |
2b791107 DL |
6926 | vty_out(vty, " neighbor %s allowas-in %d\n", |
6927 | addr, peer->allowas_in[afi][safi]); | |
d62a17ae | 6928 | } |
6929 | } | |
6930 | } | |
6931 | ||
6932 | /* allowas-in origin */ | |
6933 | else if (peer_af_flag_check(peer, afi, safi, | |
6934 | PEER_FLAG_ALLOWAS_IN_ORIGIN)) { | |
6935 | if (!peer_group_active(peer) | |
6936 | || !peer_af_flag_check(g_peer, afi, safi, | |
6937 | PEER_FLAG_ALLOWAS_IN_ORIGIN)) { | |
2b791107 | 6938 | vty_out(vty, " neighbor %s allowas-in origin\n", addr); |
d62a17ae | 6939 | } |
6940 | } | |
6941 | ||
6942 | /* weight */ | |
6943 | if (peer_af_flag_check(peer, afi, safi, PEER_FLAG_WEIGHT)) | |
6944 | if (!peer_group_active(peer) | |
6945 | || !peer_af_flag_check(g_peer, afi, safi, PEER_FLAG_WEIGHT) | |
6946 | || peer->weight[afi][safi] != g_peer->weight[afi][safi]) { | |
6947 | if (peer->weight[afi][safi]) { | |
2b791107 DL |
6948 | vty_out(vty, " neighbor %s weight %lu\n", addr, |
6949 | peer->weight[afi][safi]); | |
d62a17ae | 6950 | } |
6951 | } | |
6952 | ||
6953 | /* Filter. */ | |
2b791107 | 6954 | bgp_config_write_filter(vty, peer, afi, safi); |
d62a17ae | 6955 | |
6956 | /* atribute-unchanged. */ | |
8eeb0335 DW |
6957 | if (peer_af_flag_check(peer, afi, safi, PEER_FLAG_AS_PATH_UNCHANGED) || |
6958 | peer_af_flag_check(peer, afi, safi, PEER_FLAG_NEXTHOP_UNCHANGED) || | |
6959 | peer_af_flag_check(peer, afi, safi, PEER_FLAG_MED_UNCHANGED)) { | |
6960 | ||
6961 | if (!peer_group_active(peer) || | |
6962 | peergroup_af_flag_check(peer, afi, safi, | |
6963 | PEER_FLAG_AS_PATH_UNCHANGED) || | |
6964 | peergroup_af_flag_check(peer, afi, safi, | |
6965 | PEER_FLAG_NEXTHOP_UNCHANGED) || | |
6966 | peergroup_af_flag_check(peer, afi, safi, | |
6967 | PEER_FLAG_MED_UNCHANGED)) { | |
6968 | ||
2b791107 | 6969 | vty_out(vty, |
d62a17ae | 6970 | " neighbor %s attribute-unchanged%s%s%s\n", |
6971 | addr, | |
60466a63 QY |
6972 | peer_af_flag_check(peer, afi, safi, |
6973 | PEER_FLAG_AS_PATH_UNCHANGED) | |
d62a17ae | 6974 | ? " as-path" |
6975 | : "", | |
60466a63 QY |
6976 | peer_af_flag_check(peer, afi, safi, |
6977 | PEER_FLAG_NEXTHOP_UNCHANGED) | |
d62a17ae | 6978 | ? " next-hop" |
6979 | : "", | |
8eeb0335 DW |
6980 | peer_af_flag_check(peer, afi, safi, |
6981 | PEER_FLAG_MED_UNCHANGED) | |
d62a17ae | 6982 | ? " med" |
6983 | : ""); | |
6984 | } | |
6985 | } | |
718e3744 | 6986 | } |
6987 | ||
2b791107 DL |
6988 | /* Address family based peer configuration display. */ |
6989 | static void bgp_config_write_family(struct vty *vty, struct bgp *bgp, afi_t afi, | |
6990 | safi_t safi) | |
d62a17ae | 6991 | { |
2b791107 DL |
6992 | struct peer *peer; |
6993 | struct peer_group *group; | |
6994 | struct listnode *node, *nnode; | |
d62a17ae | 6995 | |
d62a17ae | 6996 | |
2b791107 | 6997 | vty_frame(vty, " !\n address-family "); |
d62a17ae | 6998 | if (afi == AFI_IP) { |
6999 | if (safi == SAFI_UNICAST) | |
2b791107 | 7000 | vty_frame(vty, "ipv4 unicast"); |
d62a17ae | 7001 | else if (safi == SAFI_LABELED_UNICAST) |
2b791107 | 7002 | vty_frame(vty, "ipv4 labeled-unicast"); |
d62a17ae | 7003 | else if (safi == SAFI_MULTICAST) |
2b791107 | 7004 | vty_frame(vty, "ipv4 multicast"); |
d62a17ae | 7005 | else if (safi == SAFI_MPLS_VPN) |
2b791107 | 7006 | vty_frame(vty, "ipv4 vpn"); |
d62a17ae | 7007 | else if (safi == SAFI_ENCAP) |
2b791107 | 7008 | vty_frame(vty, "ipv4 encap"); |
d62a17ae | 7009 | } else if (afi == AFI_IP6) { |
7010 | if (safi == SAFI_UNICAST) | |
2b791107 | 7011 | vty_frame(vty, "ipv6 unicast"); |
d62a17ae | 7012 | else if (safi == SAFI_LABELED_UNICAST) |
2b791107 | 7013 | vty_frame(vty, "ipv6 labeled-unicast"); |
d62a17ae | 7014 | else if (safi == SAFI_MULTICAST) |
2b791107 | 7015 | vty_frame(vty, "ipv6 multicast"); |
d62a17ae | 7016 | else if (safi == SAFI_MPLS_VPN) |
2b791107 | 7017 | vty_frame(vty, "ipv6 vpn"); |
d62a17ae | 7018 | else if (safi == SAFI_ENCAP) |
2b791107 | 7019 | vty_frame(vty, "ipv6 encap"); |
d62a17ae | 7020 | } else if (afi == AFI_L2VPN) { |
7021 | if (safi == SAFI_EVPN) | |
2b791107 | 7022 | vty_frame(vty, "l2vpn evpn"); |
d62a17ae | 7023 | } |
2b791107 | 7024 | vty_frame(vty, "\n"); |
718e3744 | 7025 | |
2b791107 | 7026 | bgp_config_write_distance(vty, bgp, afi, safi); |
718e3744 | 7027 | |
2b791107 | 7028 | bgp_config_write_network(vty, bgp, afi, safi); |
734b349e | 7029 | |
2b791107 | 7030 | bgp_config_write_redistribute(vty, bgp, afi, safi); |
718e3744 | 7031 | |
d62a17ae | 7032 | for (ALL_LIST_ELEMENTS(bgp->group, node, nnode, group)) |
2b791107 | 7033 | bgp_config_write_peer_af(vty, bgp, group->conf, afi, safi); |
400b1fad | 7034 | |
d62a17ae | 7035 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { |
7036 | /* Skip dynamic neighbors. */ | |
7037 | if (peer_dynamic_neighbor(peer)) | |
7038 | continue; | |
f14e6fdb | 7039 | |
d62a17ae | 7040 | /* Do not display doppelganger peers */ |
7041 | if (CHECK_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE)) | |
2b791107 | 7042 | bgp_config_write_peer_af(vty, bgp, peer, afi, safi); |
d62a17ae | 7043 | } |
165b5fff | 7044 | |
2b791107 DL |
7045 | bgp_config_write_maxpaths(vty, bgp, afi, safi); |
7046 | bgp_config_write_table_map(vty, bgp, afi, safi); | |
165b5fff | 7047 | |
d62a17ae | 7048 | if (safi == SAFI_EVPN) |
2b791107 | 7049 | bgp_config_write_evpn_info(vty, bgp, afi, safi); |
718e3744 | 7050 | |
2b791107 | 7051 | vty_endframe(vty, " exit-address-family\n"); |
718e3744 | 7052 | } |
7053 | ||
d62a17ae | 7054 | int bgp_config_write(struct vty *vty) |
718e3744 | 7055 | { |
d62a17ae | 7056 | int write = 0; |
7057 | struct bgp *bgp; | |
7058 | struct peer_group *group; | |
7059 | struct peer *peer; | |
7060 | struct listnode *node, *nnode; | |
7061 | struct listnode *mnode, *mnnode; | |
718e3744 | 7062 | |
d62a17ae | 7063 | /* BGP Multiple instance. */ |
7064 | if (!bgp_option_check(BGP_OPT_MULTIPLE_INSTANCE)) { | |
7065 | vty_out(vty, "no bgp multiple-instance\n"); | |
7066 | write++; | |
7067 | } | |
718e3744 | 7068 | |
d62a17ae | 7069 | /* BGP Config type. */ |
7070 | if (bgp_option_check(BGP_OPT_CONFIG_CISCO)) { | |
7071 | vty_out(vty, "bgp config-type cisco\n"); | |
7072 | write++; | |
7073 | } | |
718e3744 | 7074 | |
d62a17ae | 7075 | if (bm->rmap_update_timer != RMAP_DEFAULT_UPDATE_TIMER) |
7076 | vty_out(vty, "bgp route-map delay-timer %u\n", | |
7077 | bm->rmap_update_timer); | |
7078 | ||
2b791107 DL |
7079 | if (write) |
7080 | vty_out(vty, "!\n"); | |
7081 | ||
d62a17ae | 7082 | /* BGP configuration. */ |
7083 | for (ALL_LIST_ELEMENTS(bm->bgp, mnode, mnnode, bgp)) { | |
0b5131c9 MK |
7084 | |
7085 | /* skip all auto created vrf as they dont have user config */ | |
7086 | if (CHECK_FLAG(bgp->vrf_flags, BGP_VRF_AUTO)) | |
7087 | continue; | |
7088 | ||
d62a17ae | 7089 | /* Router bgp ASN */ |
7090 | vty_out(vty, "router bgp %u", bgp->as); | |
7091 | ||
7092 | if (bgp_option_check(BGP_OPT_MULTIPLE_INSTANCE)) { | |
7093 | if (bgp->name) | |
7094 | vty_out(vty, " %s %s", | |
7095 | (bgp->inst_type | |
7096 | == BGP_INSTANCE_TYPE_VIEW) | |
7097 | ? "view" | |
7098 | : "vrf", | |
7099 | bgp->name); | |
7100 | } | |
7101 | vty_out(vty, "\n"); | |
7102 | ||
7103 | /* No Synchronization */ | |
7104 | if (bgp_option_check(BGP_OPT_CONFIG_CISCO)) | |
7105 | vty_out(vty, " no synchronization\n"); | |
7106 | ||
7107 | /* BGP fast-external-failover. */ | |
7108 | if (CHECK_FLAG(bgp->flags, BGP_FLAG_NO_FAST_EXT_FAILOVER)) | |
7109 | vty_out(vty, " no bgp fast-external-failover\n"); | |
7110 | ||
7111 | /* BGP router ID. */ | |
7112 | if (bgp->router_id_static.s_addr != 0) | |
7113 | vty_out(vty, " bgp router-id %s\n", | |
7114 | inet_ntoa(bgp->router_id_static)); | |
7115 | ||
7116 | /* BGP log-neighbor-changes. */ | |
7117 | if (!!bgp_flag_check(bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES) | |
7118 | != DFLT_BGP_LOG_NEIGHBOR_CHANGES) | |
7119 | vty_out(vty, " %sbgp log-neighbor-changes\n", | |
7120 | bgp_flag_check(bgp, | |
7121 | BGP_FLAG_LOG_NEIGHBOR_CHANGES) | |
7122 | ? "" | |
7123 | : "no "); | |
7124 | ||
7125 | /* BGP configuration. */ | |
7126 | if (bgp_flag_check(bgp, BGP_FLAG_ALWAYS_COMPARE_MED)) | |
7127 | vty_out(vty, " bgp always-compare-med\n"); | |
7128 | ||
7129 | /* BGP default ipv4-unicast. */ | |
7130 | if (bgp_flag_check(bgp, BGP_FLAG_NO_DEFAULT_IPV4)) | |
7131 | vty_out(vty, " no bgp default ipv4-unicast\n"); | |
7132 | ||
7133 | /* BGP default local-preference. */ | |
7134 | if (bgp->default_local_pref != BGP_DEFAULT_LOCAL_PREF) | |
7135 | vty_out(vty, " bgp default local-preference %u\n", | |
7136 | bgp->default_local_pref); | |
7137 | ||
7138 | /* BGP default show-hostname */ | |
7139 | if (!!bgp_flag_check(bgp, BGP_FLAG_SHOW_HOSTNAME) | |
7140 | != DFLT_BGP_SHOW_HOSTNAME) | |
7141 | vty_out(vty, " %sbgp default show-hostname\n", | |
7142 | bgp_flag_check(bgp, BGP_FLAG_SHOW_HOSTNAME) | |
7143 | ? "" | |
7144 | : "no "); | |
7145 | ||
7146 | /* BGP default subgroup-pkt-queue-max. */ | |
7147 | if (bgp->default_subgroup_pkt_queue_max | |
7148 | != BGP_DEFAULT_SUBGROUP_PKT_QUEUE_MAX) | |
7149 | vty_out(vty, " bgp default subgroup-pkt-queue-max %u\n", | |
7150 | bgp->default_subgroup_pkt_queue_max); | |
7151 | ||
f26845f9 QY |
7152 | /* BGP default autoshutdown neighbors */ |
7153 | if (bgp->autoshutdown) | |
8175f54a | 7154 | vty_out(vty, " bgp default shutdown\n"); |
f26845f9 | 7155 | |
d62a17ae | 7156 | /* BGP client-to-client reflection. */ |
7157 | if (bgp_flag_check(bgp, BGP_FLAG_NO_CLIENT_TO_CLIENT)) | |
7158 | vty_out(vty, " no bgp client-to-client reflection\n"); | |
7159 | ||
7160 | /* BGP cluster ID. */ | |
7161 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CLUSTER_ID)) | |
7162 | vty_out(vty, " bgp cluster-id %s\n", | |
7163 | inet_ntoa(bgp->cluster_id)); | |
7164 | ||
7165 | /* Disable ebgp connected nexthop check */ | |
7166 | if (bgp_flag_check(bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK)) | |
7167 | vty_out(vty, | |
7168 | " bgp disable-ebgp-connected-route-check\n"); | |
7169 | ||
7170 | /* Confederation identifier*/ | |
7171 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) | |
7172 | vty_out(vty, " bgp confederation identifier %i\n", | |
7173 | bgp->confed_id); | |
7174 | ||
7175 | /* Confederation peer */ | |
7176 | if (bgp->confed_peers_cnt > 0) { | |
7177 | int i; | |
7178 | ||
7179 | vty_out(vty, " bgp confederation peers"); | |
7180 | ||
7181 | for (i = 0; i < bgp->confed_peers_cnt; i++) | |
7182 | vty_out(vty, " %u", bgp->confed_peers[i]); | |
7183 | ||
7184 | vty_out(vty, "\n"); | |
7185 | } | |
5fe9f963 | 7186 | |
d62a17ae | 7187 | /* BGP enforce-first-as. */ |
7188 | if (bgp_flag_check(bgp, BGP_FLAG_ENFORCE_FIRST_AS)) | |
7189 | vty_out(vty, " bgp enforce-first-as\n"); | |
7190 | ||
7191 | /* BGP deterministic-med. */ | |
7192 | if (!!bgp_flag_check(bgp, BGP_FLAG_DETERMINISTIC_MED) | |
7193 | != DFLT_BGP_DETERMINISTIC_MED) | |
7194 | vty_out(vty, " %sbgp deterministic-med\n", | |
7195 | bgp_flag_check(bgp, BGP_FLAG_DETERMINISTIC_MED) | |
7196 | ? "" | |
7197 | : "no "); | |
7198 | ||
7199 | /* BGP update-delay. */ | |
7200 | bgp_config_write_update_delay(vty, bgp); | |
7201 | ||
7202 | if (bgp->v_maxmed_onstartup | |
7203 | != BGP_MAXMED_ONSTARTUP_UNCONFIGURED) { | |
7204 | vty_out(vty, " bgp max-med on-startup %u", | |
7205 | bgp->v_maxmed_onstartup); | |
7206 | if (bgp->maxmed_onstartup_value | |
7207 | != BGP_MAXMED_VALUE_DEFAULT) | |
7208 | vty_out(vty, " %u", | |
7209 | bgp->maxmed_onstartup_value); | |
7210 | vty_out(vty, "\n"); | |
7211 | } | |
7212 | if (bgp->v_maxmed_admin != BGP_MAXMED_ADMIN_UNCONFIGURED) { | |
7213 | vty_out(vty, " bgp max-med administrative"); | |
7214 | if (bgp->maxmed_admin_value != BGP_MAXMED_VALUE_DEFAULT) | |
7215 | vty_out(vty, " %u", bgp->maxmed_admin_value); | |
7216 | vty_out(vty, "\n"); | |
7217 | } | |
718e3744 | 7218 | |
d62a17ae | 7219 | /* write quanta */ |
7220 | bgp_config_write_wpkt_quanta(vty, bgp); | |
555e09d4 QY |
7221 | /* read quanta */ |
7222 | bgp_config_write_rpkt_quanta(vty, bgp); | |
d62a17ae | 7223 | |
7224 | /* coalesce time */ | |
7225 | bgp_config_write_coalesce_time(vty, bgp); | |
7226 | ||
7227 | /* BGP graceful-restart. */ | |
7228 | if (bgp->stalepath_time != BGP_DEFAULT_STALEPATH_TIME) | |
7229 | vty_out(vty, | |
7230 | " bgp graceful-restart stalepath-time %u\n", | |
7231 | bgp->stalepath_time); | |
7232 | if (bgp->restart_time != BGP_DEFAULT_RESTART_TIME) | |
7233 | vty_out(vty, " bgp graceful-restart restart-time %u\n", | |
7234 | bgp->restart_time); | |
7235 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_RESTART)) | |
7236 | vty_out(vty, " bgp graceful-restart\n"); | |
7237 | ||
7f323236 DW |
7238 | /* BGP graceful-shutdown */ |
7239 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) | |
7240 | vty_out(vty, " bgp graceful-shutdown\n"); | |
7241 | ||
d62a17ae | 7242 | /* BGP graceful-restart Preserve State F bit. */ |
7243 | if (bgp_flag_check(bgp, BGP_FLAG_GR_PRESERVE_FWD)) | |
7244 | vty_out(vty, | |
7245 | " bgp graceful-restart preserve-fw-state\n"); | |
7246 | ||
7247 | /* BGP bestpath method. */ | |
7248 | if (bgp_flag_check(bgp, BGP_FLAG_ASPATH_IGNORE)) | |
7249 | vty_out(vty, " bgp bestpath as-path ignore\n"); | |
7250 | if (bgp_flag_check(bgp, BGP_FLAG_ASPATH_CONFED)) | |
7251 | vty_out(vty, " bgp bestpath as-path confed\n"); | |
7252 | ||
7253 | if (bgp_flag_check(bgp, BGP_FLAG_ASPATH_MULTIPATH_RELAX)) { | |
7254 | if (bgp_flag_check(bgp, | |
7255 | BGP_FLAG_MULTIPATH_RELAX_AS_SET)) { | |
7256 | vty_out(vty, | |
7257 | " bgp bestpath as-path multipath-relax as-set\n"); | |
7258 | } else { | |
7259 | vty_out(vty, | |
7260 | " bgp bestpath as-path multipath-relax\n"); | |
7261 | } | |
7262 | } | |
718e3744 | 7263 | |
d62a17ae | 7264 | if (bgp_flag_check(bgp, BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY)) { |
7265 | vty_out(vty, | |
7266 | " bgp route-reflector allow-outbound-policy\n"); | |
7267 | } | |
7268 | if (bgp_flag_check(bgp, BGP_FLAG_COMPARE_ROUTER_ID)) | |
7269 | vty_out(vty, " bgp bestpath compare-routerid\n"); | |
7270 | if (bgp_flag_check(bgp, BGP_FLAG_MED_CONFED) | |
7271 | || bgp_flag_check(bgp, BGP_FLAG_MED_MISSING_AS_WORST)) { | |
7272 | vty_out(vty, " bgp bestpath med"); | |
7273 | if (bgp_flag_check(bgp, BGP_FLAG_MED_CONFED)) | |
7274 | vty_out(vty, " confed"); | |
7275 | if (bgp_flag_check(bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
7276 | vty_out(vty, " missing-as-worst"); | |
7277 | vty_out(vty, "\n"); | |
7278 | } | |
718e3744 | 7279 | |
d62a17ae | 7280 | /* BGP network import check. */ |
7281 | if (!!bgp_flag_check(bgp, BGP_FLAG_IMPORT_CHECK) | |
7282 | != DFLT_BGP_IMPORT_CHECK) | |
7283 | vty_out(vty, " %sbgp network import-check\n", | |
7284 | bgp_flag_check(bgp, BGP_FLAG_IMPORT_CHECK) | |
7285 | ? "" | |
7286 | : "no "); | |
7287 | ||
7288 | /* BGP flag dampening. */ | |
7289 | if (CHECK_FLAG(bgp->af_flags[AFI_IP][SAFI_UNICAST], | |
7290 | BGP_CONFIG_DAMPENING)) | |
7291 | bgp_config_write_damp(vty); | |
7292 | ||
7293 | /* BGP timers configuration. */ | |
7294 | if (bgp->default_keepalive != BGP_DEFAULT_KEEPALIVE | |
7295 | && bgp->default_holdtime != BGP_DEFAULT_HOLDTIME) | |
7296 | vty_out(vty, " timers bgp %u %u\n", | |
7297 | bgp->default_keepalive, bgp->default_holdtime); | |
7298 | ||
7299 | /* peer-group */ | |
7300 | for (ALL_LIST_ELEMENTS(bgp->group, node, nnode, group)) { | |
7301 | bgp_config_write_peer_global(vty, bgp, group->conf); | |
7302 | } | |
7303 | ||
7304 | /* Normal neighbor configuration. */ | |
7305 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { | |
7306 | if (CHECK_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE)) | |
7307 | bgp_config_write_peer_global(vty, bgp, peer); | |
7308 | } | |
718e3744 | 7309 | |
d62a17ae | 7310 | /* listen range and limit for dynamic BGP neighbors */ |
7311 | bgp_config_write_listen(vty, bgp); | |
f14e6fdb | 7312 | |
d62a17ae | 7313 | /* No auto-summary */ |
7314 | if (bgp_option_check(BGP_OPT_CONFIG_CISCO)) | |
7315 | vty_out(vty, " no auto-summary\n"); | |
718e3744 | 7316 | |
41d6d607 MK |
7317 | /* import route-target */ |
7318 | if (CHECK_FLAG(bgp->vrf_flags, BGP_VRF_IMPORT_RT_CFGD)) { | |
7319 | char *ecom_str; | |
7320 | struct listnode *node, *nnode; | |
7321 | struct ecommunity *ecom; | |
7322 | ||
7323 | for (ALL_LIST_ELEMENTS(bgp->vrf_import_rtl, node, nnode, | |
7324 | ecom)) { | |
7325 | ecom_str = ecommunity_ecom2str( | |
7326 | ecom, ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
7327 | vty_out(vty, " route-target import %s\n", | |
7328 | ecom_str); | |
7329 | XFREE(MTYPE_ECOMMUNITY_STR, ecom_str); | |
7330 | } | |
7331 | } | |
7332 | ||
7333 | /* export route-target */ | |
7334 | if (CHECK_FLAG(bgp->vrf_flags, BGP_VRF_EXPORT_RT_CFGD)) { | |
7335 | char *ecom_str; | |
7336 | struct listnode *node, *nnode; | |
7337 | struct ecommunity *ecom; | |
7338 | ||
7339 | for (ALL_LIST_ELEMENTS(bgp->vrf_export_rtl, node, nnode, | |
7340 | ecom)) { | |
7341 | ecom_str = ecommunity_ecom2str( | |
7342 | ecom, ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
7343 | vty_out(vty, " route-target export %s\n", | |
7344 | ecom_str); | |
7345 | XFREE(MTYPE_ECOMMUNITY_STR, ecom_str); | |
7346 | } | |
7347 | } | |
7348 | ||
d62a17ae | 7349 | /* IPv4 unicast configuration. */ |
2b791107 | 7350 | bgp_config_write_family(vty, bgp, AFI_IP, SAFI_UNICAST); |
0b960b4d | 7351 | |
d62a17ae | 7352 | /* IPv4 multicast configuration. */ |
2b791107 | 7353 | bgp_config_write_family(vty, bgp, AFI_IP, SAFI_MULTICAST); |
718e3744 | 7354 | |
d62a17ae | 7355 | /* IPv4 labeled-unicast configuration. */ |
2b791107 | 7356 | bgp_config_write_family(vty, bgp, AFI_IP, SAFI_LABELED_UNICAST); |
f51bae9c | 7357 | |
d62a17ae | 7358 | /* IPv4 VPN configuration. */ |
2b791107 | 7359 | bgp_config_write_family(vty, bgp, AFI_IP, SAFI_MPLS_VPN); |
718e3744 | 7360 | |
d62a17ae | 7361 | /* ENCAPv4 configuration. */ |
2b791107 | 7362 | bgp_config_write_family(vty, bgp, AFI_IP, SAFI_ENCAP); |
8b1fb8be | 7363 | |
d62a17ae | 7364 | /* IPv6 unicast configuration. */ |
2b791107 | 7365 | bgp_config_write_family(vty, bgp, AFI_IP6, SAFI_UNICAST); |
718e3744 | 7366 | |
d62a17ae | 7367 | /* IPv6 multicast configuration. */ |
2b791107 | 7368 | bgp_config_write_family(vty, bgp, AFI_IP6, SAFI_MULTICAST); |
37a217a5 | 7369 | |
d62a17ae | 7370 | /* IPv6 labeled-unicast configuration. */ |
2b791107 DL |
7371 | bgp_config_write_family(vty, bgp, AFI_IP6, |
7372 | SAFI_LABELED_UNICAST); | |
f51bae9c | 7373 | |
d62a17ae | 7374 | /* IPv6 VPN configuration. */ |
2b791107 | 7375 | bgp_config_write_family(vty, bgp, AFI_IP6, SAFI_MPLS_VPN); |
8ecd3266 | 7376 | |
d62a17ae | 7377 | /* ENCAPv6 configuration. */ |
2b791107 | 7378 | bgp_config_write_family(vty, bgp, AFI_IP6, SAFI_ENCAP); |
8b1fb8be | 7379 | |
d62a17ae | 7380 | /* EVPN configuration. */ |
2b791107 | 7381 | bgp_config_write_family(vty, bgp, AFI_L2VPN, SAFI_EVPN); |
3d6c0dfa | 7382 | |
65efcfce | 7383 | #if ENABLE_BGP_VNC |
2b791107 | 7384 | bgp_rfapi_cfg_write(vty, bgp); |
65efcfce LB |
7385 | #endif |
7386 | ||
2b791107 | 7387 | vty_out(vty, "!\n"); |
d62a17ae | 7388 | } |
2b791107 | 7389 | return 0; |
718e3744 | 7390 | } |
7391 | ||
d62a17ae | 7392 | void bgp_master_init(struct thread_master *master) |
718e3744 | 7393 | { |
d62a17ae | 7394 | qobj_init(); |
0e64d123 | 7395 | |
d62a17ae | 7396 | memset(&bgp_master, 0, sizeof(struct bgp_master)); |
718e3744 | 7397 | |
d62a17ae | 7398 | bm = &bgp_master; |
7399 | bm->bgp = list_new(); | |
7400 | bm->listen_sockets = list_new(); | |
7401 | bm->port = BGP_PORT_DEFAULT; | |
7402 | bm->master = master; | |
7403 | bm->start_time = bgp_clock(); | |
7404 | bm->t_rmap_update = NULL; | |
7405 | bm->rmap_update_timer = RMAP_DEFAULT_UPDATE_TIMER; | |
495f0b13 | 7406 | |
d62a17ae | 7407 | bgp_process_queue_init(); |
b8fd6a15 | 7408 | |
e9eb5f63 | 7409 | /* init the rd id space. |
7410 | assign 0th index in the bitfield, | |
523cafc4 | 7411 | so that we start with id 1 |
7412 | */ | |
e9eb5f63 | 7413 | bf_init(bm->rd_idspace, UINT16_MAX); |
7414 | bf_assign_zero_index(bm->rd_idspace); | |
7415 | ||
d62a17ae | 7416 | /* Enable multiple instances by default. */ |
7417 | bgp_option_set(BGP_OPT_MULTIPLE_INSTANCE); | |
19df7279 | 7418 | |
d62a17ae | 7419 | QOBJ_REG(bm, bgp_master); |
718e3744 | 7420 | } |
200df115 | 7421 | |
ad4cbda1 | 7422 | /* |
009b18fc | 7423 | * Free up connected routes and interfaces for a BGP instance. Invoked upon |
7424 | * instance delete (non-default only) or BGP exit. | |
ad4cbda1 | 7425 | */ |
d62a17ae | 7426 | static void bgp_if_finish(struct bgp *bgp) |
ad4cbda1 | 7427 | { |
f4e14fdb | 7428 | struct vrf *vrf = vrf_lookup_by_id(bgp->vrf_id); |
d62a17ae | 7429 | struct interface *ifp; |
7430 | ||
f4e14fdb | 7431 | if (bgp->inst_type == BGP_INSTANCE_TYPE_VIEW || !vrf) |
d62a17ae | 7432 | return; |
ad4cbda1 | 7433 | |
451fda4f | 7434 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 7435 | struct listnode *c_node, *c_nnode; |
7436 | struct connected *c; | |
ad4cbda1 | 7437 | |
d62a17ae | 7438 | for (ALL_LIST_ELEMENTS(ifp->connected, c_node, c_nnode, c)) |
7439 | bgp_connected_delete(bgp, c); | |
7440 | } | |
ad4cbda1 | 7441 | } |
6b0655a2 | 7442 | |
d62a17ae | 7443 | extern void bgp_snmp_init(void); |
3012671f | 7444 | |
d62a17ae | 7445 | static void bgp_viewvrf_autocomplete(vector comps, struct cmd_token *token) |
18c57037 | 7446 | { |
d62a17ae | 7447 | struct vrf *vrf = NULL; |
7448 | struct listnode *next; | |
7449 | struct bgp *bgp; | |
18c57037 | 7450 | |
a2addae8 | 7451 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { |
d62a17ae | 7452 | if (vrf->vrf_id != VRF_DEFAULT) |
7453 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, vrf->name)); | |
7454 | } | |
18c57037 | 7455 | |
d62a17ae | 7456 | for (ALL_LIST_ELEMENTS_RO(bm->bgp, next, bgp)) { |
7457 | if (bgp->inst_type != BGP_INSTANCE_TYPE_VIEW) | |
7458 | continue; | |
18c57037 | 7459 | |
d62a17ae | 7460 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, bgp->name)); |
7461 | } | |
18c57037 DS |
7462 | } |
7463 | ||
7464 | static const struct cmd_variable_handler bgp_viewvrf_var_handlers[] = { | |
d62a17ae | 7465 | {.tokenname = "VIEWVRFNAME", .completions = bgp_viewvrf_autocomplete}, |
7466 | {.completions = NULL}, | |
18c57037 DS |
7467 | }; |
7468 | ||
da22432d | 7469 | static void bgp_pthreads_init() |
2d4ee774 | 7470 | { |
0ca8b79f QY |
7471 | frr_pthread_init(); |
7472 | ||
a715eab3 QY |
7473 | struct frr_pthread_attr io = { |
7474 | .id = PTHREAD_IO, | |
7475 | .start = frr_pthread_attr_default.start, | |
7476 | .stop = frr_pthread_attr_default.stop, | |
7477 | .name = "BGP I/O thread", | |
7478 | }; | |
7479 | struct frr_pthread_attr ka = { | |
7480 | .id = PTHREAD_KEEPALIVES, | |
7481 | .start = bgp_keepalives_start, | |
7482 | .stop = bgp_keepalives_stop, | |
7483 | .name = "BGP Keepalives thread", | |
7484 | }; | |
7485 | frr_pthread_new(&io); | |
7486 | frr_pthread_new(&ka); | |
419dfe6a QY |
7487 | } |
7488 | ||
7489 | void bgp_pthreads_run() | |
7490 | { | |
a715eab3 QY |
7491 | struct frr_pthread *io = frr_pthread_get(PTHREAD_IO); |
7492 | struct frr_pthread *ka = frr_pthread_get(PTHREAD_KEEPALIVES); | |
424ab01d | 7493 | |
a715eab3 QY |
7494 | frr_pthread_run(io, NULL); |
7495 | frr_pthread_run(ka, NULL); | |
88b24dee | 7496 | |
a715eab3 QY |
7497 | /* Wait until threads are ready. */ |
7498 | frr_pthread_wait_running(io); | |
7499 | frr_pthread_wait_running(ka); | |
2d4ee774 QY |
7500 | } |
7501 | ||
7502 | void bgp_pthreads_finish() | |
7503 | { | |
0ca8b79f QY |
7504 | frr_pthread_stop_all(); |
7505 | frr_pthread_finish(); | |
2d4ee774 QY |
7506 | } |
7507 | ||
d62a17ae | 7508 | void bgp_init(void) |
718e3744 | 7509 | { |
fc9a856f | 7510 | |
d62a17ae | 7511 | /* allocates some vital data structures used by peer commands in |
7512 | * vty_init */ | |
718e3744 | 7513 | |
419dfe6a QY |
7514 | /* pre-init pthreads */ |
7515 | bgp_pthreads_init(); | |
7516 | ||
d62a17ae | 7517 | /* Init zebra. */ |
7518 | bgp_zebra_init(bm->master); | |
718e3744 | 7519 | |
65efcfce | 7520 | #if ENABLE_BGP_VNC |
d62a17ae | 7521 | vnc_zebra_init(bm->master); |
65efcfce LB |
7522 | #endif |
7523 | ||
d62a17ae | 7524 | /* BGP VTY commands installation. */ |
7525 | bgp_vty_init(); | |
7526 | ||
7527 | /* BGP inits. */ | |
7528 | bgp_attr_init(); | |
7529 | bgp_debug_init(); | |
7530 | bgp_dump_init(); | |
7531 | bgp_route_init(); | |
7532 | bgp_route_map_init(); | |
7533 | bgp_scan_vty_init(); | |
7534 | bgp_mplsvpn_init(); | |
65efcfce | 7535 | #if ENABLE_BGP_VNC |
d62a17ae | 7536 | rfapi_init(); |
65efcfce | 7537 | #endif |
d62a17ae | 7538 | bgp_ethernetvpn_init(); |
7539 | ||
7540 | /* Access list initialize. */ | |
7541 | access_list_init(); | |
7542 | access_list_add_hook(peer_distribute_update); | |
7543 | access_list_delete_hook(peer_distribute_update); | |
7544 | ||
7545 | /* Filter list initialize. */ | |
7546 | bgp_filter_init(); | |
7547 | as_list_add_hook(peer_aslist_add); | |
7548 | as_list_delete_hook(peer_aslist_del); | |
7549 | ||
7550 | /* Prefix list initialize.*/ | |
7551 | prefix_list_init(); | |
7552 | prefix_list_add_hook(peer_prefix_list_update); | |
7553 | prefix_list_delete_hook(peer_prefix_list_update); | |
7554 | ||
7555 | /* Community list initialize. */ | |
7556 | bgp_clist = community_list_init(); | |
7557 | ||
7558 | /* BFD init */ | |
7559 | bgp_bfd_init(); | |
7560 | ||
7561 | cmd_variable_handler_register(bgp_viewvrf_var_handlers); | |
7562 | } | |
7563 | ||
7564 | void bgp_terminate(void) | |
7565 | { | |
7566 | struct bgp *bgp; | |
7567 | struct peer *peer; | |
7568 | struct listnode *node, *nnode; | |
7569 | struct listnode *mnode, *mnnode; | |
7570 | ||
7571 | QOBJ_UNREG(bm); | |
7572 | ||
7573 | /* Close the listener sockets first as this prevents peers from | |
7574 | * attempting | |
7575 | * to reconnect on receiving the peer unconfig message. In the presence | |
7576 | * of a large number of peers this will ensure that no peer is left with | |
7577 | * a dangling connection | |
7578 | */ | |
7579 | /* reverse bgp_master_init */ | |
7580 | bgp_close(); | |
c3004bc4 | 7581 | |
d62a17ae | 7582 | if (bm->listen_sockets) |
acdf5e25 | 7583 | list_delete_and_null(&bm->listen_sockets); |
d62a17ae | 7584 | |
7585 | for (ALL_LIST_ELEMENTS(bm->bgp, mnode, mnnode, bgp)) | |
7586 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) | |
7587 | if (peer->status == Established | |
7588 | || peer->status == OpenSent | |
7589 | || peer->status == OpenConfirm) | |
7590 | bgp_notify_send(peer, BGP_NOTIFY_CEASE, | |
7591 | BGP_NOTIFY_CEASE_PEER_UNCONFIG); | |
7592 | ||
7593 | if (bm->process_main_queue) { | |
7594 | work_queue_free(bm->process_main_queue); | |
7595 | bm->process_main_queue = NULL; | |
7596 | } | |
7597 | ||
7598 | if (bm->t_rmap_update) | |
7599 | BGP_TIMER_OFF(bm->t_rmap_update); | |
545acafb | 7600 | } |