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Commit | Line | Data |
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718e3744 | 1 | /* MPLS-VPN |
896014f4 DL |
2 | * Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org> |
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 "command.h" | |
24 | #include "prefix.h" | |
25 | #include "log.h" | |
26 | #include "memory.h" | |
27 | #include "stream.h" | |
3f9c7369 | 28 | #include "queue.h" |
039f3a34 | 29 | #include "filter.h" |
ddb5b488 | 30 | #include "mpls.h" |
b9c7bc5a PZ |
31 | #include "json.h" |
32 | #include "zclient.h" | |
9bedbb1e | 33 | |
718e3744 | 34 | #include "bgpd/bgpd.h" |
ddb5b488 | 35 | #include "bgpd/bgp_debug.h" |
718e3744 | 36 | #include "bgpd/bgp_table.h" |
37 | #include "bgpd/bgp_route.h" | |
38 | #include "bgpd/bgp_attr.h" | |
9bedbb1e | 39 | #include "bgpd/bgp_label.h" |
718e3744 | 40 | #include "bgpd/bgp_mplsvpn.h" |
48a5452b | 41 | #include "bgpd/bgp_packet.h" |
3f227172 | 42 | #include "bgpd/bgp_vty.h" |
784d3a42 | 43 | #include "bgpd/bgp_vpn.h" |
ddb5b488 PZ |
44 | #include "bgpd/bgp_ecommunity.h" |
45 | #include "bgpd/bgp_zebra.h" | |
46 | #include "bgpd/bgp_nexthop.h" | |
718e3744 | 47 | |
65efcfce | 48 | #if ENABLE_BGP_VNC |
f8b6f499 | 49 | #include "bgpd/rfapi/rfapi_backend.h" |
65efcfce LB |
50 | #endif |
51 | ||
ddb5b488 PZ |
52 | /* |
53 | * Definitions and external declarations. | |
54 | */ | |
55 | extern struct zclient *zclient; | |
56 | ||
d62a17ae | 57 | extern int argv_find_and_parse_vpnvx(struct cmd_token **argv, int argc, |
58 | int *index, afi_t *afi) | |
3f227172 | 59 | { |
d62a17ae | 60 | int ret = 0; |
61 | if (argv_find(argv, argc, "vpnv4", index)) { | |
62 | ret = 1; | |
63 | if (afi) | |
64 | *afi = AFI_IP; | |
65 | } else if (argv_find(argv, argc, "vpnv6", index)) { | |
66 | ret = 1; | |
67 | if (afi) | |
68 | *afi = AFI_IP6; | |
69 | } | |
70 | return ret; | |
3f227172 PG |
71 | } |
72 | ||
d62a17ae | 73 | u_int32_t decode_label(mpls_label_t *label_pnt) |
718e3744 | 74 | { |
d62a17ae | 75 | u_int32_t l; |
76 | u_char *pnt = (u_char *)label_pnt; | |
718e3744 | 77 | |
d62a17ae | 78 | l = ((u_int32_t)*pnt++ << 12); |
79 | l |= (u_int32_t)*pnt++ << 4; | |
80 | l |= (u_int32_t)((*pnt & 0xf0) >> 4); | |
81 | return l; | |
718e3744 | 82 | } |
83 | ||
d62a17ae | 84 | void encode_label(mpls_label_t label, mpls_label_t *label_pnt) |
65efcfce | 85 | { |
d62a17ae | 86 | u_char *pnt = (u_char *)label_pnt; |
87 | if (pnt == NULL) | |
88 | return; | |
89 | *pnt++ = (label >> 12) & 0xff; | |
90 | *pnt++ = (label >> 4) & 0xff; | |
91 | *pnt++ = ((label << 4) + 1) & 0xff; /* S=1 */ | |
65efcfce LB |
92 | } |
93 | ||
d62a17ae | 94 | int bgp_nlri_parse_vpn(struct peer *peer, struct attr *attr, |
95 | struct bgp_nlri *packet) | |
718e3744 | 96 | { |
d62a17ae | 97 | u_char *pnt; |
98 | u_char *lim; | |
99 | struct prefix p; | |
100 | int psize = 0; | |
101 | int prefixlen; | |
102 | u_int16_t type; | |
103 | struct rd_as rd_as; | |
104 | struct rd_ip rd_ip; | |
105 | struct prefix_rd prd; | |
ddb5b488 | 106 | mpls_label_t label = {0}; |
d62a17ae | 107 | afi_t afi; |
108 | safi_t safi; | |
109 | int addpath_encoded; | |
110 | u_int32_t addpath_id; | |
111 | ||
d62a17ae | 112 | /* Make prefix_rd */ |
113 | prd.family = AF_UNSPEC; | |
114 | prd.prefixlen = 64; | |
115 | ||
116 | pnt = packet->nlri; | |
117 | lim = pnt + packet->length; | |
118 | afi = packet->afi; | |
119 | safi = packet->safi; | |
120 | addpath_id = 0; | |
121 | ||
122 | addpath_encoded = | |
123 | (CHECK_FLAG(peer->af_cap[afi][safi], PEER_CAP_ADDPATH_AF_RX_ADV) | |
124 | && CHECK_FLAG(peer->af_cap[afi][safi], | |
125 | PEER_CAP_ADDPATH_AF_TX_RCV)); | |
718e3744 | 126 | |
50905aa2 | 127 | #define VPN_PREFIXLEN_MIN_BYTES (3 + 8) /* label + RD */ |
d62a17ae | 128 | for (; pnt < lim; pnt += psize) { |
129 | /* Clear prefix structure. */ | |
130 | memset(&p, 0, sizeof(struct prefix)); | |
131 | ||
132 | if (addpath_encoded) { | |
133 | ||
134 | /* When packet overflow occurs return immediately. */ | |
135 | if (pnt + BGP_ADDPATH_ID_LEN > lim) | |
136 | return -1; | |
137 | ||
138 | addpath_id = ntohl(*((uint32_t *)pnt)); | |
139 | pnt += BGP_ADDPATH_ID_LEN; | |
140 | } | |
141 | ||
142 | /* Fetch prefix length. */ | |
143 | prefixlen = *pnt++; | |
144 | p.family = afi2family(packet->afi); | |
145 | psize = PSIZE(prefixlen); | |
146 | ||
147 | if (prefixlen < VPN_PREFIXLEN_MIN_BYTES * 8) { | |
148 | zlog_err( | |
149 | "%s [Error] Update packet error / VPN (prefix length %d less than VPN min length)", | |
150 | peer->host, prefixlen); | |
151 | return -1; | |
152 | } | |
153 | ||
154 | /* sanity check against packet data */ | |
155 | if ((pnt + psize) > lim) { | |
156 | zlog_err( | |
157 | "%s [Error] Update packet error / VPN (prefix length %d exceeds packet size %u)", | |
158 | peer->host, prefixlen, (uint)(lim - pnt)); | |
159 | return -1; | |
160 | } | |
161 | ||
162 | /* sanity check against storage for the IP address portion */ | |
163 | if ((psize - VPN_PREFIXLEN_MIN_BYTES) > (ssize_t)sizeof(p.u)) { | |
164 | zlog_err( | |
165 | "%s [Error] Update packet error / VPN (psize %d exceeds storage size %zu)", | |
166 | peer->host, | |
167 | prefixlen - VPN_PREFIXLEN_MIN_BYTES * 8, | |
168 | sizeof(p.u)); | |
169 | return -1; | |
170 | } | |
171 | ||
172 | /* Sanity check against max bitlen of the address family */ | |
173 | if ((psize - VPN_PREFIXLEN_MIN_BYTES) > prefix_blen(&p)) { | |
174 | zlog_err( | |
175 | "%s [Error] Update packet error / VPN (psize %d exceeds family (%u) max byte len %u)", | |
176 | peer->host, | |
177 | prefixlen - VPN_PREFIXLEN_MIN_BYTES * 8, | |
178 | p.family, prefix_blen(&p)); | |
179 | return -1; | |
180 | } | |
181 | ||
182 | /* Copy label to prefix. */ | |
183 | memcpy(&label, pnt, BGP_LABEL_BYTES); | |
184 | bgp_set_valid_label(&label); | |
185 | ||
186 | /* Copy routing distinguisher to rd. */ | |
187 | memcpy(&prd.val, pnt + BGP_LABEL_BYTES, 8); | |
188 | ||
189 | /* Decode RD type. */ | |
190 | type = decode_rd_type(pnt + BGP_LABEL_BYTES); | |
191 | ||
192 | switch (type) { | |
193 | case RD_TYPE_AS: | |
194 | decode_rd_as(pnt + 5, &rd_as); | |
195 | break; | |
196 | ||
197 | case RD_TYPE_AS4: | |
198 | decode_rd_as4(pnt + 5, &rd_as); | |
199 | break; | |
200 | ||
201 | case RD_TYPE_IP: | |
202 | decode_rd_ip(pnt + 5, &rd_ip); | |
203 | break; | |
fe770c88 | 204 | |
65efcfce | 205 | #if ENABLE_BGP_VNC |
d62a17ae | 206 | case RD_TYPE_VNC_ETH: |
207 | break; | |
65efcfce LB |
208 | #endif |
209 | ||
d62a17ae | 210 | default: |
211 | zlog_err("Unknown RD type %d", type); | |
212 | break; /* just report */ | |
213 | } | |
214 | ||
215 | p.prefixlen = | |
216 | prefixlen | |
217 | - VPN_PREFIXLEN_MIN_BYTES * 8; /* exclude label & RD */ | |
218 | memcpy(&p.u.prefix, pnt + VPN_PREFIXLEN_MIN_BYTES, | |
219 | psize - VPN_PREFIXLEN_MIN_BYTES); | |
220 | ||
221 | if (attr) { | |
222 | bgp_update(peer, &p, addpath_id, attr, packet->afi, | |
223 | SAFI_MPLS_VPN, ZEBRA_ROUTE_BGP, | |
b57ba6d2 | 224 | BGP_ROUTE_NORMAL, &prd, &label, 1, 0, NULL); |
d62a17ae | 225 | } else { |
226 | bgp_withdraw(peer, &p, addpath_id, attr, packet->afi, | |
227 | SAFI_MPLS_VPN, ZEBRA_ROUTE_BGP, | |
b57ba6d2 | 228 | BGP_ROUTE_NORMAL, &prd, &label, 1, NULL); |
d62a17ae | 229 | } |
230 | } | |
231 | /* Packet length consistency check. */ | |
232 | if (pnt != lim) { | |
233 | zlog_err( | |
234 | "%s [Error] Update packet error / VPN (%zu data remaining after parsing)", | |
235 | peer->host, lim - pnt); | |
236 | return -1; | |
237 | } | |
238 | ||
239 | return 0; | |
50905aa2 | 240 | #undef VPN_PREFIXLEN_MIN_BYTES |
718e3744 | 241 | } |
242 | ||
ddb5b488 PZ |
243 | /* |
244 | * This function informs zebra of the label this vrf sets on routes | |
245 | * leaked to VPN. Zebra should install this label in the kernel with | |
246 | * an action of "pop label and then use this vrf's IP FIB to route the PDU." | |
247 | * | |
248 | * Sending this vrf-label association is qualified by a) whether vrf->vpn | |
249 | * exporting is active ("export vpn" is enabled, vpn-policy RD and RT list | |
250 | * are set) and b) whether vpn-policy label is set. | |
251 | * | |
252 | * If any of these conditions do not hold, then we send MPLS_LABEL_NONE | |
253 | * for this vrf, which zebra interprets to mean "delete this vrf-label | |
254 | * association." | |
255 | */ | |
256 | void vpn_leak_zebra_vrf_label_update(struct bgp *bgp, afi_t afi) | |
257 | { | |
258 | mpls_label_t label = MPLS_LABEL_NONE; | |
259 | const char *name = "default"; | |
260 | int debug = BGP_DEBUG(vpn, VPN_LEAK_LABEL); | |
261 | ||
262 | if (debug && (bgp->inst_type != BGP_INSTANCE_TYPE_DEFAULT)) { | |
263 | name = bgp->name; | |
264 | } | |
265 | ||
266 | if (bgp->vrf_id == VRF_UNKNOWN) { | |
267 | if (debug) { | |
268 | zlog_debug( | |
269 | "%s: vrf %s: afi %s: vrf_id not set, " | |
270 | "can't set zebra vrf label", | |
271 | __func__, name, afi2str(afi)); | |
272 | } | |
273 | return; | |
274 | } | |
275 | ||
276 | if (vpn_leak_to_vpn_active(bgp, afi, NULL)) { | |
277 | label = bgp->vpn_policy[afi].tovpn_label; | |
278 | } | |
279 | ||
280 | if (debug) { | |
281 | zlog_debug("%s: vrf %s: afi %s: setting label %d for vrf id %d", | |
282 | __func__, name, afi2str(afi), label, bgp->vrf_id); | |
283 | } | |
284 | ||
285 | zclient_send_vrf_label(zclient, bgp->vrf_id, afi, label, ZEBRA_LSP_BGP); | |
286 | bgp->vpn_policy[afi].tovpn_zebra_vrf_label_last_sent = label; | |
287 | } | |
288 | ||
289 | /* | |
290 | * If zebra tells us vrf has become unconfigured, tell zebra not to | |
291 | * use this label to forward to the vrf anymore | |
292 | */ | |
293 | void vpn_leak_zebra_vrf_label_withdraw(struct bgp *bgp, afi_t afi) | |
294 | { | |
295 | mpls_label_t label = MPLS_LABEL_NONE; | |
296 | int debug = BGP_DEBUG(vpn, VPN_LEAK_LABEL); | |
297 | ||
298 | if (bgp->vrf_id == VRF_UNKNOWN) { | |
299 | if (debug) { | |
300 | zlog_debug( | |
301 | "%s: vrf_id not set, can't delete zebra vrf label", | |
302 | __func__); | |
303 | } | |
304 | return; | |
305 | } | |
306 | ||
307 | if (debug) { | |
308 | zlog_debug("%s: deleting label for vrf %s (id=%d)", __func__, | |
309 | (bgp->name ? bgp->name : "default"), bgp->vrf_id); | |
310 | } | |
311 | ||
312 | zclient_send_vrf_label(zclient, bgp->vrf_id, afi, label, ZEBRA_LSP_BGP); | |
313 | bgp->vpn_policy[afi].tovpn_zebra_vrf_label_last_sent = label; | |
314 | } | |
315 | ||
316 | static int ecom_intersect(struct ecommunity *e1, struct ecommunity *e2) | |
317 | { | |
318 | int i; | |
319 | int j; | |
320 | ||
321 | if (!e1 || !e2) | |
322 | return 0; | |
323 | ||
324 | for (i = 0; i < e1->size; ++i) { | |
325 | for (j = 0; j < e2->size; ++j) { | |
326 | if (!memcmp(e1->val + (i * ECOMMUNITY_SIZE), | |
327 | e2->val + (j * ECOMMUNITY_SIZE), | |
328 | ECOMMUNITY_SIZE)) { | |
329 | ||
330 | return 1; | |
331 | } | |
332 | } | |
333 | } | |
334 | return 0; | |
335 | } | |
336 | ||
337 | /* | |
338 | * returns pointer to new bgp_info upon success | |
339 | */ | |
340 | static struct bgp_info * | |
341 | leak_update(struct bgp *bgp, /* destination bgp instance */ | |
342 | struct bgp_node *bn, struct attr *new_attr, /* already interned */ | |
343 | afi_t afi, safi_t safi, struct bgp_info *source_bi, u_char type, | |
344 | u_char sub_type, mpls_label_t *label, int num_labels, void *parent, | |
345 | struct bgp *bgp_orig, struct prefix *nexthop_orig, int debug) | |
346 | { | |
347 | struct prefix *p = &bn->p; | |
348 | struct bgp_info *bi; | |
349 | struct bgp_info *new; | |
350 | char buf_prefix[PREFIX_STRLEN]; | |
351 | const char *pDestInstanceName = "default"; | |
352 | ||
353 | if (debug) { | |
354 | prefix2str(&bn->p, buf_prefix, sizeof(buf_prefix)); | |
355 | if (bgp->name) | |
356 | pDestInstanceName = bgp->name; | |
357 | } | |
358 | ||
359 | /* | |
360 | * match parent | |
361 | */ | |
362 | for (bi = bn->info; bi; bi = bi->next) { | |
363 | if (bi->extra && bi->extra->parent == parent) | |
364 | break; | |
365 | } | |
366 | ||
367 | if (bi) { | |
368 | if (attrhash_cmp(bi->attr, new_attr) | |
369 | && !CHECK_FLAG(bi->flags, BGP_INFO_REMOVED)) { | |
370 | ||
371 | bgp_attr_unintern(&new_attr); | |
372 | if (debug) | |
373 | zlog_debug( | |
374 | "%s: ->%s: %s: Found route, no change", | |
375 | __func__, pDestInstanceName, | |
376 | buf_prefix); | |
377 | return NULL; | |
378 | } | |
379 | ||
380 | /* attr is changed */ | |
381 | bgp_info_set_flag(bn, bi, BGP_INFO_ATTR_CHANGED); | |
382 | ||
383 | /* Rewrite BGP route information. */ | |
384 | if (CHECK_FLAG(bi->flags, BGP_INFO_REMOVED)) | |
385 | bgp_info_restore(bn, bi); | |
386 | else | |
387 | bgp_aggregate_decrement(bgp, p, bi, afi, safi); | |
388 | bgp_attr_unintern(&bi->attr); | |
389 | bi->attr = new_attr; | |
390 | bi->uptime = bgp_clock(); | |
391 | ||
392 | /* Process change. */ | |
393 | bgp_aggregate_increment(bgp, p, bi, afi, safi); | |
394 | bgp_process(bgp, bn, afi, safi); | |
395 | bgp_unlock_node(bn); | |
396 | ||
397 | if (debug) | |
398 | zlog_debug("%s: ->%s: %s Found route, changed attr", | |
399 | __func__, pDestInstanceName, buf_prefix); | |
400 | ||
401 | return NULL; | |
402 | } | |
403 | ||
404 | new = info_make(type, sub_type, 0, bgp->peer_self, new_attr, bn); | |
405 | SET_FLAG(new->flags, BGP_INFO_VALID); | |
406 | ||
407 | bgp_info_extra_get(new); | |
408 | if (label) { | |
409 | int i; | |
410 | ||
411 | for (i = 0; i < num_labels; ++i) { | |
412 | new->extra->label[i] = label[i]; | |
413 | if (!bgp_is_valid_label(&label[i])) { | |
414 | if (debug) { | |
415 | zlog_debug( | |
416 | "%s: %s: marking label %d valid", | |
417 | __func__, buf_prefix, i); | |
418 | } | |
419 | bgp_set_valid_label(&new->extra->label[i]); | |
420 | } | |
421 | } | |
422 | new->extra->num_labels = num_labels; | |
423 | } | |
424 | new->extra->parent = parent; | |
425 | ||
426 | if (bgp_orig) | |
427 | new->extra->bgp_orig = bgp_orig; | |
428 | if (nexthop_orig) | |
429 | new->extra->nexthop_orig = *nexthop_orig; | |
430 | ||
431 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
432 | bgp_info_add(bn, new); | |
433 | ||
434 | bgp_unlock_node(bn); | |
435 | bgp_process(bgp, bn, afi, safi); | |
436 | ||
437 | if (debug) | |
438 | zlog_debug("%s: ->%s: %s: Added new route", __func__, | |
439 | pDestInstanceName, buf_prefix); | |
440 | ||
441 | return new; | |
442 | } | |
443 | ||
444 | /* cf vnc_import_bgp_add_route_mode_nvegroup() and add_vnc_route() */ | |
445 | void vpn_leak_from_vrf_update(struct bgp *bgp_vpn, /* to */ | |
446 | struct bgp *bgp_vrf, /* from */ | |
447 | struct bgp_info *info_vrf) /* route */ | |
448 | { | |
449 | int debug = BGP_DEBUG(vpn, VPN_LEAK_FROM_VRF); | |
450 | struct prefix *p = &info_vrf->net->p; | |
451 | afi_t afi = family2afi(p->family); | |
452 | struct attr static_attr = {0}; | |
453 | struct attr *new_attr = NULL; | |
454 | safi_t safi = SAFI_MPLS_VPN; | |
455 | mpls_label_t label_val; | |
456 | mpls_label_t label; | |
457 | struct bgp_node *bn; | |
458 | const char *debugmsg; | |
459 | ||
c8f57349 DS |
460 | if (debug && info_vrf->attr->ecommunity) { |
461 | char *s = ecommunity_ecom2str(info_vrf->attr->ecommunity, | |
462 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
ddb5b488 PZ |
463 | |
464 | zlog_debug("%s: info_vrf->type=%d, EC{%s}", __func__, | |
465 | info_vrf->type, s); | |
c8f57349 | 466 | XFREE(MTYPE_ECOMMUNITY_STR, s); |
ddb5b488 PZ |
467 | } |
468 | ||
469 | if (!bgp_vpn) | |
470 | return; | |
471 | ||
472 | if (!afi) { | |
473 | if (debug) | |
474 | zlog_debug("%s: can't get afi of prefix", __func__); | |
475 | return; | |
476 | } | |
477 | ||
478 | /* loop check */ | |
479 | if (info_vrf->extra && info_vrf->extra->bgp_orig == bgp_vpn) | |
480 | return; | |
481 | ||
482 | ||
483 | if (!vpn_leak_to_vpn_active(bgp_vrf, afi, &debugmsg)) { | |
484 | if (debug) | |
485 | zlog_debug("%s: skipping: %s", __func__, debugmsg); | |
486 | return; | |
487 | } | |
488 | ||
489 | bgp_attr_dup(&static_attr, info_vrf->attr); /* shallow copy */ | |
490 | ||
491 | /* | |
492 | * route map handling | |
493 | */ | |
494 | if (bgp_vrf->vpn_policy[afi].rmap[BGP_VPN_POLICY_DIR_TOVPN]) { | |
495 | struct bgp_info info; | |
496 | route_map_result_t ret; | |
497 | ||
498 | memset(&info, 0, sizeof(info)); | |
499 | info.peer = bgp_vpn->peer_self; | |
500 | info.attr = &static_attr; | |
501 | ret = route_map_apply( | |
502 | bgp_vrf->vpn_policy[afi].rmap[BGP_VPN_POLICY_DIR_TOVPN], | |
503 | p, RMAP_BGP, &info); | |
504 | if (RMAP_DENYMATCH == ret) { | |
505 | bgp_attr_flush(&static_attr); /* free any added parts */ | |
506 | if (debug) | |
507 | zlog_debug( | |
508 | "%s: vrf %s route map \"%s\" says DENY, returning", | |
509 | __func__, bgp_vrf->name, | |
510 | bgp_vrf->vpn_policy[afi] | |
511 | .rmap[BGP_VPN_POLICY_DIR_TOVPN] | |
512 | ->name); | |
513 | return; | |
514 | } | |
515 | } | |
516 | ||
c8f57349 DS |
517 | if (debug && static_attr.ecommunity) { |
518 | char *s = ecommunity_ecom2str(static_attr.ecommunity, | |
519 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
ddb5b488 | 520 | |
ddb5b488 PZ |
521 | zlog_debug("%s: post route map static_attr.ecommunity{%s}", |
522 | __func__, s); | |
c8f57349 | 523 | XFREE(MTYPE_ECOMMUNITY_STR, s); |
ddb5b488 PZ |
524 | } |
525 | ||
526 | /* | |
527 | * Add the vpn-policy rt-list | |
528 | */ | |
529 | struct ecommunity *old_ecom; | |
530 | struct ecommunity *new_ecom; | |
531 | ||
532 | old_ecom = static_attr.ecommunity; | |
533 | if (old_ecom) { | |
534 | new_ecom = ecommunity_merge( | |
535 | ecommunity_dup(old_ecom), | |
536 | bgp_vrf->vpn_policy[afi] | |
537 | .rtlist[BGP_VPN_POLICY_DIR_TOVPN]); | |
538 | if (!old_ecom->refcnt) | |
539 | ecommunity_free(&old_ecom); | |
540 | } else { | |
541 | new_ecom = ecommunity_dup( | |
542 | bgp_vrf->vpn_policy[afi] | |
543 | .rtlist[BGP_VPN_POLICY_DIR_TOVPN]); | |
544 | } | |
545 | static_attr.ecommunity = new_ecom; | |
546 | SET_FLAG(static_attr.flag, ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)); | |
547 | ||
c8f57349 DS |
548 | if (debug && static_attr.ecommunity) { |
549 | char *s = ecommunity_ecom2str(static_attr.ecommunity, | |
550 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
ddb5b488 | 551 | |
ddb5b488 PZ |
552 | zlog_debug("%s: post merge static_attr.ecommunity{%s}", |
553 | __func__, s); | |
c8f57349 | 554 | XFREE(MTYPE_ECOMMUNITY_STR, s); |
ddb5b488 PZ |
555 | } |
556 | ||
557 | /* Nexthop */ | |
558 | /* if policy nexthop not set, use 0 */ | |
559 | if (CHECK_FLAG(bgp_vrf->vpn_policy[afi].flags, | |
560 | BGP_VPN_POLICY_TOVPN_NEXTHOP_SET)) { | |
561 | ||
562 | struct prefix *nexthop = | |
563 | &bgp_vrf->vpn_policy[afi].tovpn_nexthop; | |
564 | switch (nexthop->family) { | |
565 | case AF_INET: | |
566 | /* prevent mp_nexthop_global_in <- self in bgp_route.c | |
567 | */ | |
568 | static_attr.nexthop.s_addr = nexthop->u.prefix4.s_addr; | |
569 | ||
570 | static_attr.mp_nexthop_global_in = nexthop->u.prefix4; | |
571 | static_attr.mp_nexthop_len = 4; | |
572 | break; | |
573 | ||
574 | case AF_INET6: | |
575 | static_attr.mp_nexthop_global = nexthop->u.prefix6; | |
576 | static_attr.mp_nexthop_len = 16; | |
577 | break; | |
578 | ||
579 | default: | |
580 | assert(0); | |
581 | } | |
582 | } else { | |
583 | switch (afi) { | |
584 | case AFI_IP: | |
585 | default: | |
586 | /* Clear ipv4 */ | |
587 | static_attr.mp_nexthop_global_in.s_addr = 0; | |
588 | static_attr.mp_nexthop_len = 4; | |
589 | static_attr.nexthop.s_addr = 0; /* self */ | |
590 | static_attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP); | |
591 | break; | |
592 | ||
593 | case AFI_IP6: | |
594 | /* Clear ipv6 */ | |
595 | memset(&static_attr.mp_nexthop_global, 0, | |
596 | sizeof(static_attr.mp_nexthop_global)); | |
597 | static_attr.mp_nexthop_len = 16; /* bytes */ | |
598 | break; | |
599 | } | |
600 | } | |
601 | ||
602 | label_val = bgp_vrf->vpn_policy[afi].tovpn_label; | |
603 | if (label_val == MPLS_LABEL_NONE) { | |
604 | /* TBD get from label manager */ | |
605 | label = MPLS_LABEL_IMPLICIT_NULL; | |
606 | } else { | |
607 | encode_label(label_val, &label); | |
608 | } | |
609 | ||
610 | /* Set originator ID to "me" */ | |
611 | SET_FLAG(static_attr.flag, ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)); | |
612 | static_attr.originator_id = bgp_vpn->router_id; | |
613 | ||
614 | ||
615 | new_attr = bgp_attr_intern( | |
616 | &static_attr); /* hashed refcounted everything */ | |
617 | bgp_attr_flush(&static_attr); /* free locally-allocated parts */ | |
618 | ||
c3e345b1 DS |
619 | if (debug && new_attr->ecommunity) { |
620 | char *s = ecommunity_ecom2str(new_attr->ecommunity, | |
621 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
ddb5b488 | 622 | |
ddb5b488 | 623 | zlog_debug("%s: new_attr->ecommunity{%s}", __func__, s); |
c3e345b1 | 624 | XFREE(MTYPE_ECOMMUNITY_STR, s); |
ddb5b488 PZ |
625 | } |
626 | ||
627 | /* Now new_attr is an allocated interned attr */ | |
628 | ||
629 | bn = bgp_afi_node_get(bgp_vpn->rib[afi][safi], afi, safi, p, | |
630 | &(bgp_vrf->vpn_policy[afi].tovpn_rd)); | |
631 | ||
632 | struct bgp_info *new_info; | |
633 | ||
634 | new_info = leak_update(bgp_vpn, bn, new_attr, afi, safi, info_vrf, | |
635 | ZEBRA_ROUTE_BGP, BGP_ROUTE_IMPORTED, &label, 1, | |
636 | info_vrf, bgp_vrf, NULL, debug); | |
637 | ||
638 | /* | |
639 | * Routes actually installed in the vpn RIB must also be | |
640 | * offered to all vrfs (because now they originate from | |
641 | * the vpn RIB). | |
642 | * | |
643 | * Acceptance into other vrfs depends on rt-lists. | |
644 | * Originating vrf will not accept the looped back route | |
645 | * because of loop checking. | |
646 | */ | |
647 | if (new_info) | |
648 | vpn_leak_to_vrf_update(bgp_vrf, new_info); | |
649 | } | |
650 | ||
651 | void vpn_leak_from_vrf_withdraw(struct bgp *bgp_vpn, /* to */ | |
652 | struct bgp *bgp_vrf, /* from */ | |
653 | struct bgp_info *info_vrf) /* route */ | |
654 | { | |
655 | int debug = BGP_DEBUG(vpn, VPN_LEAK_FROM_VRF); | |
656 | struct prefix *p = &info_vrf->net->p; | |
657 | afi_t afi = family2afi(p->family); | |
658 | safi_t safi = SAFI_MPLS_VPN; | |
659 | struct bgp_info *bi; | |
660 | struct bgp_node *bn; | |
661 | const char *debugmsg; | |
662 | ||
663 | if (info_vrf->type != ZEBRA_ROUTE_BGP) { | |
664 | if (debug) | |
665 | zlog_debug("%s: wrong type %d", __func__, | |
666 | info_vrf->type); | |
667 | return; | |
668 | } | |
669 | if (info_vrf->sub_type != BGP_ROUTE_NORMAL | |
670 | && info_vrf->sub_type != BGP_ROUTE_STATIC) { | |
671 | ||
672 | if (debug) | |
673 | zlog_debug("%s: wrong sub_type %d", __func__, | |
674 | info_vrf->sub_type); | |
675 | return; | |
676 | } | |
677 | if (!bgp_vpn) | |
678 | return; | |
679 | ||
680 | if (!afi) { | |
681 | if (debug) | |
682 | zlog_debug("%s: can't get afi of prefix", __func__); | |
683 | return; | |
684 | } | |
685 | ||
686 | if (!vpn_leak_to_vpn_active(bgp_vrf, afi, &debugmsg)) { | |
687 | if (debug) | |
688 | zlog_debug("%s: skipping: %s", __func__, debugmsg); | |
689 | return; | |
690 | } | |
691 | ||
692 | if (debug) | |
693 | zlog_debug("%s: withdrawing (info_vrf=%p)", __func__, info_vrf); | |
694 | ||
695 | bn = bgp_afi_node_get(bgp_vpn->rib[afi][safi], afi, safi, p, | |
696 | &(bgp_vrf->vpn_policy[afi].tovpn_rd)); | |
697 | ||
698 | /* | |
699 | * vrf -> vpn | |
700 | * match original bi imported from | |
701 | */ | |
702 | for (bi = (bn ? bn->info : NULL); bi; bi = bi->next) { | |
703 | if (bi->extra && bi->extra->parent == info_vrf) { | |
704 | break; | |
705 | } | |
706 | } | |
707 | ||
708 | if (bi) { | |
709 | /* withdraw from looped vrfs as well */ | |
710 | vpn_leak_to_vrf_withdraw(bgp_vpn, bi); | |
711 | ||
712 | bgp_aggregate_decrement(bgp_vpn, p, bi, afi, safi); | |
713 | bgp_info_delete(bn, bi); | |
714 | bgp_process(bgp_vpn, bn, afi, safi); | |
715 | } | |
716 | bgp_unlock_node(bn); | |
717 | } | |
718 | ||
719 | void vpn_leak_from_vrf_withdraw_all(struct bgp *bgp_vpn, /* to */ | |
720 | struct bgp *bgp_vrf, /* from */ | |
721 | afi_t afi) | |
722 | { | |
723 | int debug = BGP_DEBUG(vpn, VPN_LEAK_FROM_VRF); | |
724 | struct bgp_node *prn; | |
725 | safi_t safi = SAFI_MPLS_VPN; | |
726 | ||
727 | /* | |
ddb5b488 PZ |
728 | * Walk vpn table, delete bi with bgp_orig == bgp_vrf |
729 | */ | |
730 | for (prn = bgp_table_top(bgp_vpn->rib[afi][safi]); prn; | |
731 | prn = bgp_route_next(prn)) { | |
732 | ||
733 | struct bgp_table *table; | |
734 | struct bgp_node *bn; | |
735 | struct bgp_info *bi; | |
736 | ||
737 | /* This is the per-RD table of prefixes */ | |
738 | table = prn->info; | |
739 | ||
740 | if (!table) | |
741 | continue; | |
742 | ||
743 | for (bn = bgp_table_top(table); bn; bn = bgp_route_next(bn)) { | |
744 | ||
745 | char buf[PREFIX2STR_BUFFER]; | |
746 | ||
747 | if (debug && bn->info) { | |
748 | zlog_debug( | |
749 | "%s: looking at prefix %s", __func__, | |
750 | prefix2str(&bn->p, buf, sizeof(buf))); | |
751 | } | |
752 | ||
753 | for (bi = bn->info; bi; bi = bi->next) { | |
754 | if (debug) | |
755 | zlog_debug("%s: type %d, sub_type %d", | |
756 | __func__, bi->type, | |
757 | bi->sub_type); | |
758 | if (bi->sub_type != BGP_ROUTE_IMPORTED) | |
759 | continue; | |
760 | if (!bi->extra) | |
761 | continue; | |
762 | if ((struct bgp *)bi->extra->bgp_orig | |
763 | == bgp_vrf) { | |
764 | /* delete route */ | |
765 | if (debug) | |
766 | zlog_debug("%s: deleting it\n", | |
767 | __func__); | |
768 | bgp_aggregate_decrement(bgp_vpn, &bn->p, | |
769 | bi, afi, safi); | |
770 | bgp_info_delete(bn, bi); | |
771 | bgp_process(bgp_vpn, bn, afi, safi); | |
772 | } | |
773 | } | |
774 | } | |
775 | } | |
776 | } | |
777 | ||
778 | void vpn_leak_from_vrf_update_all(struct bgp *bgp_vpn, /* to */ | |
779 | struct bgp *bgp_vrf, /* from */ | |
780 | afi_t afi) | |
781 | { | |
782 | struct bgp_node *bn; | |
783 | struct bgp_info *bi; | |
784 | int debug = BGP_DEBUG(vpn, VPN_LEAK_FROM_VRF); | |
785 | ||
786 | if (debug) | |
787 | zlog_debug("%s: entry, afi=%d, vrf=%s", __func__, afi, | |
788 | bgp_vrf->name); | |
789 | ||
790 | for (bn = bgp_table_top(bgp_vrf->rib[afi][SAFI_UNICAST]); bn; | |
791 | bn = bgp_route_next(bn)) { | |
792 | ||
793 | if (debug) | |
794 | zlog_debug("%s: node=%p", __func__, bn); | |
795 | ||
796 | for (bi = bn->info; bi; bi = bi->next) { | |
797 | if (debug) | |
798 | zlog_debug( | |
799 | "%s: calling vpn_leak_from_vrf_update", | |
800 | __func__); | |
801 | vpn_leak_from_vrf_update(bgp_vpn, bgp_vrf, bi); | |
802 | } | |
803 | } | |
804 | } | |
805 | ||
806 | static void vpn_leak_to_vrf_update_onevrf(struct bgp *bgp_vrf, /* to */ | |
807 | struct bgp *bgp_vpn, /* from */ | |
808 | struct bgp_info *info_vpn) /* route */ | |
809 | { | |
810 | struct prefix *p = &info_vpn->net->p; | |
811 | afi_t afi = family2afi(p->family); | |
812 | ||
ddb5b488 PZ |
813 | struct attr static_attr = {0}; |
814 | struct attr *new_attr = NULL; | |
815 | struct bgp_node *bn; | |
816 | safi_t safi = SAFI_UNICAST; | |
817 | const char *debugmsg; | |
818 | struct prefix nexthop_orig; | |
819 | mpls_label_t *pLabels = NULL; | |
820 | int num_labels = 0; | |
821 | ||
822 | int debug = BGP_DEBUG(vpn, VPN_LEAK_TO_VRF); | |
823 | ||
b9c7bc5a | 824 | if (!vpn_leak_from_vpn_active(bgp_vrf, afi, &debugmsg)) { |
ddb5b488 PZ |
825 | if (debug) |
826 | zlog_debug("%s: skipping: %s", __func__, debugmsg); | |
827 | return; | |
828 | } | |
829 | ||
830 | /* Check for intersection of route targets */ | |
831 | if (!ecom_intersect( | |
832 | bgp_vrf->vpn_policy[afi].rtlist[BGP_VPN_POLICY_DIR_FROMVPN], | |
833 | info_vpn->attr->ecommunity)) { | |
834 | ||
835 | return; | |
836 | } | |
837 | ||
838 | if (debug) | |
839 | zlog_debug("%s: updating to vrf %s", __func__, bgp_vrf->name); | |
840 | ||
841 | bgp_attr_dup(&static_attr, info_vpn->attr); /* shallow copy */ | |
842 | ||
843 | /* | |
844 | * Nexthop: stash and clear | |
845 | * | |
846 | * Nexthop is valid in context of VPN core, but not in destination vrf. | |
847 | * Stash it for later label resolution by vrf ingress path and then | |
848 | * overwrite with 0, i.e., "me", for the sake of vrf advertisement. | |
849 | */ | |
850 | uint8_t nhfamily = NEXTHOP_FAMILY(info_vpn->attr->mp_nexthop_len); | |
851 | ||
852 | memset(&nexthop_orig, 0, sizeof(nexthop_orig)); | |
853 | nexthop_orig.family = nhfamily; | |
854 | ||
855 | switch (nhfamily) { | |
856 | ||
857 | case AF_INET: | |
858 | /* save */ | |
859 | nexthop_orig.u.prefix4 = info_vpn->attr->mp_nexthop_global_in; | |
860 | nexthop_orig.prefixlen = 32; | |
861 | ||
862 | static_attr.nexthop.s_addr = 0; /* self */ | |
863 | static_attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP); | |
864 | ||
865 | break; | |
866 | ||
867 | case AF_INET6: | |
868 | /* save */ | |
869 | nexthop_orig.u.prefix6 = info_vpn->attr->mp_nexthop_global; | |
870 | nexthop_orig.prefixlen = 128; | |
871 | ||
872 | memset(&static_attr.mp_nexthop_global, 0, | |
873 | sizeof(static_attr.mp_nexthop_global)); /* clear */ | |
874 | static_attr.mp_nexthop_len = 16; /* bytes */ | |
875 | break; | |
876 | } | |
877 | ||
878 | ||
879 | /* | |
880 | * route map handling | |
ddb5b488 | 881 | */ |
ddb5b488 PZ |
882 | if (bgp_vrf->vpn_policy[afi].rmap[BGP_VPN_POLICY_DIR_FROMVPN]) { |
883 | struct bgp_info info; | |
884 | route_map_result_t ret; | |
885 | ||
886 | memset(&info, 0, sizeof(info)); | |
887 | info.peer = bgp_vrf->peer_self; | |
888 | info.attr = &static_attr; | |
889 | ret = route_map_apply(bgp_vrf->vpn_policy[afi] | |
890 | .rmap[BGP_VPN_POLICY_DIR_FROMVPN], | |
891 | p, RMAP_BGP, &info); | |
892 | if (RMAP_DENYMATCH == ret) { | |
893 | bgp_attr_flush(&static_attr); /* free any added parts */ | |
894 | if (debug) | |
895 | zlog_debug( | |
896 | "%s: vrf %s vpn-policy route map \"%s\" says DENY, returning", | |
897 | __func__, bgp_vrf->name, | |
898 | bgp_vrf->vpn_policy[afi] | |
899 | .rmap[BGP_VPN_POLICY_DIR_FROMVPN] | |
900 | ->name); | |
901 | return; | |
902 | } | |
903 | } | |
904 | ||
905 | new_attr = bgp_attr_intern(&static_attr); | |
906 | bgp_attr_flush(&static_attr); | |
907 | ||
908 | bn = bgp_afi_node_get(bgp_vrf->rib[afi][safi], afi, safi, p, NULL); | |
909 | ||
910 | /* | |
911 | * ensure labels are copied | |
912 | */ | |
913 | if (info_vpn->extra && info_vpn->extra->num_labels) { | |
914 | num_labels = info_vpn->extra->num_labels; | |
915 | if (num_labels > BGP_MAX_LABELS) | |
916 | num_labels = BGP_MAX_LABELS; | |
917 | pLabels = info_vpn->extra->label; | |
918 | } | |
919 | if (debug) { | |
920 | char buf_prefix[PREFIX_STRLEN]; | |
921 | prefix2str(p, buf_prefix, sizeof(buf_prefix)); | |
922 | zlog_debug("%s: pfx %s: num_labels %d", __func__, buf_prefix, | |
923 | num_labels); | |
924 | } | |
925 | ||
926 | leak_update(bgp_vrf, bn, new_attr, afi, safi, info_vpn, ZEBRA_ROUTE_BGP, | |
927 | BGP_ROUTE_IMPORTED, pLabels, num_labels, | |
928 | info_vpn, /* parent */ | |
929 | bgp_vpn, &nexthop_orig, debug); | |
930 | } | |
931 | ||
932 | void vpn_leak_to_vrf_update(struct bgp *bgp_vpn, /* from */ | |
933 | struct bgp_info *info_vpn) /* route */ | |
934 | { | |
935 | struct listnode *mnode, *mnnode; | |
936 | struct bgp *bgp; | |
937 | ||
938 | int debug = BGP_DEBUG(vpn, VPN_LEAK_TO_VRF); | |
939 | ||
940 | if (debug) | |
941 | zlog_debug("%s: start (info_vpn=%p)", __func__, info_vpn); | |
942 | ||
943 | /* Loop over VRFs */ | |
944 | for (ALL_LIST_ELEMENTS(bm->bgp, mnode, mnnode, bgp)) { | |
945 | ||
946 | if (!info_vpn->extra | |
947 | || info_vpn->extra->bgp_orig != bgp) { /* no loop */ | |
948 | vpn_leak_to_vrf_update_onevrf(bgp, bgp_vpn, info_vpn); | |
949 | } | |
950 | } | |
951 | } | |
952 | ||
953 | void vpn_leak_to_vrf_withdraw(struct bgp *bgp_vpn, /* from */ | |
954 | struct bgp_info *info_vpn) /* route */ | |
955 | { | |
1b3510a0 PZ |
956 | struct prefix *p; |
957 | afi_t afi; | |
ddb5b488 PZ |
958 | safi_t safi = SAFI_UNICAST; |
959 | struct bgp *bgp; | |
960 | struct listnode *mnode, *mnnode; | |
ddb5b488 PZ |
961 | struct bgp_node *bn; |
962 | struct bgp_info *bi; | |
963 | const char *debugmsg; | |
964 | ||
965 | int debug = BGP_DEBUG(vpn, VPN_LEAK_TO_VRF); | |
966 | ||
967 | if (debug) | |
968 | zlog_debug("%s: start (info_vpn=%p)", __func__, info_vpn); | |
969 | ||
1b3510a0 | 970 | if (!info_vpn->net) { |
56c2c080 | 971 | #if ENABLE_BGP_VNC |
1b3510a0 PZ |
972 | /* BGP_ROUTE_RFP routes do not have info_vpn->net set (yet) */ |
973 | if (info_vpn->type == ZEBRA_ROUTE_BGP && | |
974 | info_vpn->sub_type == BGP_ROUTE_RFP) { | |
975 | ||
976 | return; | |
977 | } | |
56c2c080 | 978 | #endif |
1b3510a0 PZ |
979 | if (debug) |
980 | zlog_debug("%s: info_vpn->net unexpectedly NULL, no prefix, bailing", | |
981 | __func__); | |
982 | return; | |
983 | } | |
984 | ||
985 | p = &info_vpn->net->p; | |
986 | afi = family2afi(p->family); | |
ddb5b488 PZ |
987 | |
988 | /* Loop over VRFs */ | |
989 | for (ALL_LIST_ELEMENTS(bm->bgp, mnode, mnnode, bgp)) { | |
b9c7bc5a | 990 | if (!vpn_leak_from_vpn_active(bgp, afi, &debugmsg)) { |
ddb5b488 PZ |
991 | if (debug) |
992 | zlog_debug("%s: skipping: %s", __func__, | |
993 | debugmsg); | |
994 | continue; | |
995 | } | |
996 | ||
997 | /* Check for intersection of route targets */ | |
998 | if (!ecom_intersect(bgp->vpn_policy[afi] | |
999 | .rtlist[BGP_VPN_POLICY_DIR_FROMVPN], | |
1000 | info_vpn->attr->ecommunity)) { | |
1001 | ||
1002 | continue; | |
1003 | } | |
1004 | ||
1005 | if (debug) | |
1006 | zlog_debug("%s: withdrawing from vrf %s", __func__, | |
1007 | bgp->name); | |
1008 | ||
1009 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, NULL); | |
1010 | for (bi = (bn ? bn->info : NULL); bi; bi = bi->next) { | |
1011 | if (bi->extra | |
1012 | && (struct bgp_info *)bi->extra->parent | |
1013 | == info_vpn) { | |
1014 | break; | |
1015 | } | |
1016 | } | |
1017 | ||
1018 | if (bi) { | |
1019 | if (debug) | |
1020 | zlog_debug("%s: deleting bi %p", __func__, bi); | |
1021 | bgp_aggregate_decrement(bgp, p, bi, afi, safi); | |
1022 | bgp_info_delete(bn, bi); | |
1023 | bgp_process(bgp, bn, afi, safi); | |
1024 | } | |
1025 | bgp_unlock_node(bn); | |
1026 | } | |
1027 | } | |
1028 | ||
1029 | void vpn_leak_to_vrf_withdraw_all(struct bgp *bgp_vrf, /* to */ | |
1030 | afi_t afi) | |
1031 | { | |
1032 | struct bgp_node *bn; | |
1033 | struct bgp_info *bi; | |
1034 | safi_t safi = SAFI_UNICAST; | |
1035 | int debug = BGP_DEBUG(vpn, VPN_LEAK_TO_VRF); | |
1036 | struct bgp *bgp_vpn = bgp_get_default(); | |
1037 | ||
1038 | if (debug) | |
1039 | zlog_debug("%s: entry", __func__); | |
1040 | /* | |
1041 | * Walk vrf table, delete bi with bgp_orig == bgp_vpn | |
1042 | */ | |
1043 | for (bn = bgp_table_top(bgp_vrf->rib[afi][safi]); bn; | |
1044 | bn = bgp_route_next(bn)) { | |
1045 | ||
1046 | for (bi = bn->info; bi; bi = bi->next) { | |
1047 | if (bi->extra && bi->extra->bgp_orig == bgp_vpn) { | |
1048 | ||
1049 | /* delete route */ | |
1050 | bgp_aggregate_decrement(bgp_vrf, &bn->p, bi, | |
1051 | afi, safi); | |
1052 | bgp_info_delete(bn, bi); | |
1053 | bgp_process(bgp_vrf, bn, afi, safi); | |
1054 | } | |
1055 | } | |
1056 | } | |
1057 | } | |
1058 | ||
1059 | void vpn_leak_to_vrf_update_all(struct bgp *bgp_vrf, /* to */ | |
1060 | struct bgp *bgp_vpn, /* from */ | |
1061 | afi_t afi) | |
1062 | { | |
1063 | struct prefix_rd prd; | |
1064 | struct bgp_node *prn; | |
1065 | safi_t safi = SAFI_MPLS_VPN; | |
1066 | ||
1067 | /* | |
1068 | * Walk vpn table | |
1069 | */ | |
1070 | for (prn = bgp_table_top(bgp_vpn->rib[afi][safi]); prn; | |
1071 | prn = bgp_route_next(prn)) { | |
1072 | ||
1073 | struct bgp_table *table; | |
1074 | struct bgp_node *bn; | |
1075 | struct bgp_info *bi; | |
1076 | ||
1077 | memset(&prd, 0, sizeof(prd)); | |
1078 | prd.family = AF_UNSPEC; | |
1079 | prd.prefixlen = 64; | |
1080 | memcpy(prd.val, prn->p.u.val, 8); | |
1081 | ||
1082 | /* This is the per-RD table of prefixes */ | |
1083 | table = prn->info; | |
1084 | ||
1085 | if (!table) | |
1086 | continue; | |
1087 | ||
1088 | for (bn = bgp_table_top(table); bn; bn = bgp_route_next(bn)) { | |
1089 | ||
1090 | for (bi = bn->info; bi; bi = bi->next) { | |
1091 | ||
1092 | if (bi->extra && bi->extra->bgp_orig == bgp_vrf) | |
1093 | continue; | |
1094 | ||
1095 | vpn_leak_to_vrf_update_onevrf(bgp_vrf, bgp_vpn, | |
1096 | bi); | |
1097 | } | |
1098 | } | |
1099 | } | |
1100 | } | |
1101 | ||
1102 | static void vpn_policy_routemap_update(struct bgp *bgp, const char *rmap_name) | |
1103 | { | |
1104 | int debug = BGP_DEBUG(vpn, VPN_LEAK_RMAP_EVENT); | |
1105 | afi_t afi; | |
1106 | struct route_map *rmap; | |
1107 | ||
1108 | if (bgp->inst_type != BGP_INSTANCE_TYPE_DEFAULT | |
1109 | && bgp->inst_type != BGP_INSTANCE_TYPE_VRF) { | |
1110 | ||
1111 | return; | |
1112 | } | |
1113 | ||
1114 | rmap = route_map_lookup_by_name(rmap_name); /* NULL if deleted */ | |
1115 | ||
1116 | for (afi = 0; afi < AFI_MAX; ++afi) { | |
1117 | ||
1118 | if (vpn_leak_to_vpn_active(bgp, afi, NULL) | |
1119 | && bgp->vpn_policy[afi].rmap_name[BGP_VPN_POLICY_DIR_TOVPN] | |
1120 | && !strcmp(rmap_name, | |
1121 | bgp->vpn_policy[afi] | |
1122 | .rmap_name[BGP_VPN_POLICY_DIR_TOVPN])) { | |
1123 | ||
1124 | if (debug) | |
1125 | zlog_debug( | |
1126 | "%s: rmap \"%s\" matches vrf-policy tovpn for as %d afi %s", | |
1127 | __func__, rmap_name, bgp->as, | |
1128 | afi2str(afi)); | |
1129 | ||
1130 | vpn_leak_prechange(BGP_VPN_POLICY_DIR_TOVPN, afi, | |
1131 | bgp_get_default(), bgp); | |
1132 | if (debug) | |
1133 | zlog_debug("%s: after vpn_leak_prechange", | |
1134 | __func__); | |
1135 | ||
1136 | if (!rmap) | |
1137 | bgp->vpn_policy[afi] | |
1138 | .rmap[BGP_VPN_POLICY_DIR_TOVPN] = NULL; | |
1139 | ||
1140 | vpn_leak_postchange(BGP_VPN_POLICY_DIR_TOVPN, afi, | |
1141 | bgp_get_default(), bgp); | |
1142 | if (debug) | |
1143 | zlog_debug("%s: after vpn_leak_postchange", | |
1144 | __func__); | |
1145 | } | |
1146 | ||
b9c7bc5a PZ |
1147 | char *mapname = bgp->vpn_policy[afi] |
1148 | .rmap_name[BGP_VPN_POLICY_DIR_FROMVPN]; | |
ddb5b488 | 1149 | |
d555f3e9 | 1150 | if (vpn_leak_from_vpn_active(bgp, afi, NULL) && |
b9c7bc5a PZ |
1151 | mapname && |
1152 | !strcmp(rmap_name, mapname)) { | |
1153 | ||
1154 | if (debug) { | |
1155 | zlog_debug("%s: rmap \"%s\" matches vrf-policy fromvpn for as %d afi %s", | |
ddb5b488 PZ |
1156 | __func__, rmap_name, bgp->as, |
1157 | afi2str(afi)); | |
b9c7bc5a | 1158 | } |
ddb5b488 PZ |
1159 | |
1160 | vpn_leak_prechange(BGP_VPN_POLICY_DIR_FROMVPN, afi, | |
1161 | bgp_get_default(), bgp); | |
1162 | ||
b9c7bc5a | 1163 | if (!rmap) { |
ddb5b488 PZ |
1164 | bgp->vpn_policy[afi] |
1165 | .rmap[BGP_VPN_POLICY_DIR_FROMVPN] = | |
1166 | NULL; | |
b9c7bc5a | 1167 | } |
ddb5b488 PZ |
1168 | |
1169 | vpn_leak_postchange(BGP_VPN_POLICY_DIR_FROMVPN, afi, | |
1170 | bgp_get_default(), bgp); | |
1171 | } | |
1172 | } | |
1173 | } | |
1174 | ||
1175 | void vpn_policy_routemap_event(const char *rmap_name) | |
1176 | { | |
1177 | int debug = BGP_DEBUG(vpn, VPN_LEAK_RMAP_EVENT); | |
1178 | struct listnode *mnode, *mnnode; | |
1179 | struct bgp *bgp; | |
1180 | ||
1181 | if (debug) | |
1182 | zlog_debug("%s: entry", __func__); | |
1183 | ||
1184 | if (bm->bgp == NULL) /* may be called during cleanup */ | |
1185 | return; | |
1186 | ||
1187 | for (ALL_LIST_ELEMENTS(bm->bgp, mnode, mnnode, bgp)) | |
1188 | vpn_policy_routemap_update(bgp, rmap_name); | |
1189 | } | |
1190 | ||
718e3744 | 1191 | /* For testing purpose, static route of MPLS-VPN. */ |
1192 | DEFUN (vpnv4_network, | |
1193 | vpnv4_network_cmd, | |
d114b977 | 1194 | "network A.B.C.D/M rd ASN:NN_OR_IP-ADDRESS:NN <tag|label> (0-1048575)", |
718e3744 | 1195 | "Specify a network to announce via BGP\n" |
0c7b1b01 | 1196 | "IPv4 prefix\n" |
718e3744 | 1197 | "Specify Route Distinguisher\n" |
1198 | "VPN Route Distinguisher\n" | |
fb1d2a2d LB |
1199 | "VPN NLRI label (tag)\n" |
1200 | "VPN NLRI label (tag)\n" | |
1201 | "Label value\n") | |
718e3744 | 1202 | { |
d62a17ae | 1203 | int idx_ipv4_prefixlen = 1; |
1204 | int idx_ext_community = 3; | |
1205 | int idx_label = 5; | |
1206 | return bgp_static_set_safi( | |
1207 | AFI_IP, SAFI_MPLS_VPN, vty, argv[idx_ipv4_prefixlen]->arg, | |
1208 | argv[idx_ext_community]->arg, argv[idx_label]->arg, NULL, 0, | |
1209 | NULL, NULL, NULL, NULL); | |
137446f9 LB |
1210 | } |
1211 | ||
1212 | DEFUN (vpnv4_network_route_map, | |
1213 | vpnv4_network_route_map_cmd, | |
d114b977 | 1214 | "network A.B.C.D/M rd ASN:NN_OR_IP-ADDRESS:NN <tag|label> (0-1048575) route-map WORD", |
137446f9 | 1215 | "Specify a network to announce via BGP\n" |
0c7b1b01 | 1216 | "IPv4 prefix\n" |
137446f9 LB |
1217 | "Specify Route Distinguisher\n" |
1218 | "VPN Route Distinguisher\n" | |
fb1d2a2d LB |
1219 | "VPN NLRI label (tag)\n" |
1220 | "VPN NLRI label (tag)\n" | |
1221 | "Label value\n" | |
137446f9 LB |
1222 | "route map\n" |
1223 | "route map name\n") | |
1224 | { | |
d62a17ae | 1225 | int idx_ipv4_prefixlen = 1; |
1226 | int idx_ext_community = 3; | |
1227 | int idx_label = 5; | |
1228 | int idx_word_2 = 7; | |
1229 | return bgp_static_set_safi( | |
1230 | AFI_IP, SAFI_MPLS_VPN, vty, argv[idx_ipv4_prefixlen]->arg, | |
1231 | argv[idx_ext_community]->arg, argv[idx_label]->arg, | |
1232 | argv[idx_word_2]->arg, 0, NULL, NULL, NULL, NULL); | |
718e3744 | 1233 | } |
1234 | ||
1235 | /* For testing purpose, static route of MPLS-VPN. */ | |
1236 | DEFUN (no_vpnv4_network, | |
1237 | no_vpnv4_network_cmd, | |
d114b977 | 1238 | "no network A.B.C.D/M rd ASN:NN_OR_IP-ADDRESS:NN <tag|label> (0-1048575)", |
718e3744 | 1239 | NO_STR |
1240 | "Specify a network to announce via BGP\n" | |
0c7b1b01 | 1241 | "IPv4 prefix\n" |
718e3744 | 1242 | "Specify Route Distinguisher\n" |
1243 | "VPN Route Distinguisher\n" | |
fb1d2a2d LB |
1244 | "VPN NLRI label (tag)\n" |
1245 | "VPN NLRI label (tag)\n" | |
1246 | "Label value\n") | |
718e3744 | 1247 | { |
d62a17ae | 1248 | int idx_ipv4_prefixlen = 2; |
1249 | int idx_ext_community = 4; | |
1250 | int idx_label = 6; | |
1251 | return bgp_static_unset_safi(AFI_IP, SAFI_MPLS_VPN, vty, | |
1252 | argv[idx_ipv4_prefixlen]->arg, | |
1253 | argv[idx_ext_community]->arg, | |
1254 | argv[idx_label]->arg, 0, NULL, NULL, NULL); | |
718e3744 | 1255 | } |
1256 | ||
c286be96 LX |
1257 | DEFUN (vpnv6_network, |
1258 | vpnv6_network_cmd, | |
d114b977 | 1259 | "network X:X::X:X/M rd ASN:NN_OR_IP-ADDRESS:NN <tag|label> (0-1048575) [route-map WORD]", |
c286be96 LX |
1260 | "Specify a network to announce via BGP\n" |
1261 | "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n" | |
1262 | "Specify Route Distinguisher\n" | |
1263 | "VPN Route Distinguisher\n" | |
fb1d2a2d LB |
1264 | "VPN NLRI label (tag)\n" |
1265 | "VPN NLRI label (tag)\n" | |
1266 | "Label value\n" | |
11daee81 DS |
1267 | "route map\n" |
1268 | "route map name\n") | |
c286be96 | 1269 | { |
d62a17ae | 1270 | int idx_ipv6_prefix = 1; |
1271 | int idx_ext_community = 3; | |
1272 | int idx_label = 5; | |
1273 | int idx_word_2 = 7; | |
1274 | if (argc == 8) | |
1275 | return bgp_static_set_safi( | |
1276 | AFI_IP6, SAFI_MPLS_VPN, vty, argv[idx_ipv6_prefix]->arg, | |
1277 | argv[idx_ext_community]->arg, argv[idx_label]->arg, | |
1278 | argv[idx_word_2]->arg, 0, NULL, NULL, NULL, NULL); | |
1279 | else | |
1280 | return bgp_static_set_safi( | |
1281 | AFI_IP6, SAFI_MPLS_VPN, vty, argv[idx_ipv6_prefix]->arg, | |
1282 | argv[idx_ext_community]->arg, argv[idx_label]->arg, | |
1283 | NULL, 0, NULL, NULL, NULL, NULL); | |
c286be96 LX |
1284 | } |
1285 | ||
1286 | /* For testing purpose, static route of MPLS-VPN. */ | |
1287 | DEFUN (no_vpnv6_network, | |
1288 | no_vpnv6_network_cmd, | |
d114b977 | 1289 | "no network X:X::X:X/M rd ASN:NN_OR_IP-ADDRESS:NN <tag|label> (0-1048575)", |
c286be96 LX |
1290 | NO_STR |
1291 | "Specify a network to announce via BGP\n" | |
1292 | "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n" | |
1293 | "Specify Route Distinguisher\n" | |
1294 | "VPN Route Distinguisher\n" | |
fb1d2a2d LB |
1295 | "VPN NLRI label (tag)\n" |
1296 | "VPN NLRI label (tag)\n" | |
1297 | "Label value\n") | |
c286be96 | 1298 | { |
d62a17ae | 1299 | int idx_ipv6_prefix = 2; |
1300 | int idx_ext_community = 4; | |
1301 | int idx_label = 6; | |
1302 | return bgp_static_unset_safi(AFI_IP6, SAFI_MPLS_VPN, vty, | |
1303 | argv[idx_ipv6_prefix]->arg, | |
1304 | argv[idx_ext_community]->arg, | |
1305 | argv[idx_label]->arg, 0, NULL, NULL, NULL); | |
c286be96 LX |
1306 | } |
1307 | ||
d62a17ae | 1308 | int bgp_show_mpls_vpn(struct vty *vty, afi_t afi, struct prefix_rd *prd, |
1309 | enum bgp_show_type type, void *output_arg, int tags, | |
1310 | u_char use_json) | |
718e3744 | 1311 | { |
d62a17ae | 1312 | struct bgp *bgp; |
1313 | struct bgp_table *table; | |
d62a17ae | 1314 | |
1315 | bgp = bgp_get_default(); | |
1316 | if (bgp == NULL) { | |
1317 | if (!use_json) | |
1318 | vty_out(vty, "No BGP process is configured\n"); | |
16307668 RW |
1319 | else |
1320 | vty_out(vty, "{}\n"); | |
d62a17ae | 1321 | return CMD_WARNING; |
1322 | } | |
1ae44dfc | 1323 | table = bgp->rib[afi][SAFI_MPLS_VPN]; |
a4d82a8a PZ |
1324 | return bgp_show_table_rd(vty, bgp, SAFI_MPLS_VPN, table, prd, type, |
1325 | output_arg, use_json); | |
718e3744 | 1326 | } |
1327 | ||
4f280b15 LB |
1328 | DEFUN (show_bgp_ip_vpn_all_rd, |
1329 | show_bgp_ip_vpn_all_rd_cmd, | |
d114b977 | 1330 | "show bgp "BGP_AFI_CMD_STR" vpn all [rd ASN:NN_OR_IP-ADDRESS:NN] [json]", |
e3e29b32 LB |
1331 | SHOW_STR |
1332 | BGP_STR | |
05e588f4 | 1333 | BGP_VPNVX_HELP_STR |
e3e29b32 | 1334 | "Display VPN NLRI specific information\n" |
af8528fa | 1335 | "Display VPN NLRI specific information\n" |
e3e29b32 LB |
1336 | "Display information for a route distinguisher\n" |
1337 | "VPN Route Distinguisher\n" | |
1338 | JSON_STR) | |
1339 | { | |
d62a17ae | 1340 | int ret; |
1341 | struct prefix_rd prd; | |
1342 | afi_t afi; | |
1343 | int idx = 0; | |
1344 | ||
1345 | if (argv_find_and_parse_afi(argv, argc, &idx, &afi)) { | |
3d7c4cd7 | 1346 | if (argv_find(argv, argc, "rd", &idx)) { |
a4d82a8a | 1347 | ret = str2prefix_rd(argv[idx + 1]->arg, &prd); |
d62a17ae | 1348 | if (!ret) { |
1349 | vty_out(vty, | |
1350 | "%% Malformed Route Distinguisher\n"); | |
1351 | return CMD_WARNING; | |
1352 | } | |
1353 | return bgp_show_mpls_vpn(vty, afi, &prd, | |
1354 | bgp_show_type_normal, NULL, 0, | |
1355 | use_json(argc, argv)); | |
1356 | } else { | |
1357 | return bgp_show_mpls_vpn(vty, afi, NULL, | |
1358 | bgp_show_type_normal, NULL, 0, | |
1359 | use_json(argc, argv)); | |
1360 | } | |
1361 | } | |
1362 | return CMD_SUCCESS; | |
718e3744 | 1363 | } |
1364 | ||
af8528fa LB |
1365 | ALIAS(show_bgp_ip_vpn_all_rd, |
1366 | show_bgp_ip_vpn_rd_cmd, | |
1367 | "show bgp "BGP_AFI_CMD_STR" vpn rd ASN:NN_OR_IP-ADDRESS:NN [json]", | |
1368 | SHOW_STR | |
1369 | BGP_STR | |
1370 | BGP_VPNVX_HELP_STR | |
1371 | "Display VPN NLRI specific information\n" | |
1372 | "Display information for a route distinguisher\n" | |
1373 | "VPN Route Distinguisher\n" | |
1374 | JSON_STR) | |
1375 | ||
1376 | #ifdef KEEP_OLD_VPN_COMMANDS | |
3f227172 PG |
1377 | DEFUN (show_ip_bgp_vpn_rd, |
1378 | show_ip_bgp_vpn_rd_cmd, | |
af8528fa | 1379 | "show ip bgp "BGP_AFI_CMD_STR" vpn rd ASN:NN_OR_IP-ADDRESS:NN", |
718e3744 | 1380 | SHOW_STR |
1381 | IP_STR | |
1382 | BGP_STR | |
4f280b15 | 1383 | BGP_AFI_HELP_STR |
3517059b | 1384 | "Address Family modifier\n" |
718e3744 | 1385 | "Display information for a route distinguisher\n" |
1386 | "VPN Route Distinguisher\n") | |
1387 | { | |
d62a17ae | 1388 | int idx_ext_community = argc - 1; |
1389 | int ret; | |
1390 | struct prefix_rd prd; | |
1391 | afi_t afi; | |
1392 | int idx = 0; | |
1393 | ||
1394 | if (argv_find_and_parse_vpnvx(argv, argc, &idx, &afi)) { | |
1395 | ret = str2prefix_rd(argv[idx_ext_community]->arg, &prd); | |
1396 | if (!ret) { | |
1397 | vty_out(vty, "%% Malformed Route Distinguisher\n"); | |
1398 | return CMD_WARNING; | |
1399 | } | |
1400 | return bgp_show_mpls_vpn(vty, afi, &prd, bgp_show_type_normal, | |
1401 | NULL, 0, 0); | |
1402 | } | |
1403 | return CMD_SUCCESS; | |
1404 | } | |
718e3744 | 1405 | |
4f280b15 LB |
1406 | DEFUN (show_ip_bgp_vpn_all, |
1407 | show_ip_bgp_vpn_all_cmd, | |
1408 | "show [ip] bgp <vpnv4|vpnv6>", | |
1409 | SHOW_STR | |
1410 | IP_STR | |
1411 | BGP_STR | |
1412 | BGP_VPNVX_HELP_STR) | |
1413 | { | |
d62a17ae | 1414 | afi_t afi; |
1415 | int idx = 0; | |
4f280b15 | 1416 | |
d62a17ae | 1417 | if (argv_find_and_parse_vpnvx(argv, argc, &idx, &afi)) |
1418 | return bgp_show_mpls_vpn(vty, afi, NULL, bgp_show_type_normal, | |
1419 | NULL, 0, 0); | |
1420 | return CMD_SUCCESS; | |
4f280b15 LB |
1421 | } |
1422 | ||
3f227172 PG |
1423 | DEFUN (show_ip_bgp_vpn_all_tags, |
1424 | show_ip_bgp_vpn_all_tags_cmd, | |
1425 | "show [ip] bgp <vpnv4|vpnv6> all tags", | |
718e3744 | 1426 | SHOW_STR |
1427 | IP_STR | |
1428 | BGP_STR | |
3f227172 PG |
1429 | BGP_VPNVX_HELP_STR |
1430 | "Display information about all VPNv4/VPNV6 NLRIs\n" | |
718e3744 | 1431 | "Display BGP tags for prefixes\n") |
1432 | { | |
d62a17ae | 1433 | afi_t afi; |
1434 | int idx = 0; | |
3f227172 | 1435 | |
d62a17ae | 1436 | if (argv_find_and_parse_vpnvx(argv, argc, &idx, &afi)) |
1437 | return bgp_show_mpls_vpn(vty, afi, NULL, bgp_show_type_normal, | |
1438 | NULL, 1, 0); | |
1439 | return CMD_SUCCESS; | |
718e3744 | 1440 | } |
1441 | ||
3f227172 PG |
1442 | DEFUN (show_ip_bgp_vpn_rd_tags, |
1443 | show_ip_bgp_vpn_rd_tags_cmd, | |
d114b977 | 1444 | "show [ip] bgp <vpnv4|vpnv6> rd ASN:NN_OR_IP-ADDRESS:NN tags", |
718e3744 | 1445 | SHOW_STR |
1446 | IP_STR | |
1447 | BGP_STR | |
3f227172 | 1448 | BGP_VPNVX_HELP_STR |
718e3744 | 1449 | "Display information for a route distinguisher\n" |
1450 | "VPN Route Distinguisher\n" | |
1451 | "Display BGP tags for prefixes\n") | |
1452 | { | |
d62a17ae | 1453 | int idx_ext_community = 5; |
1454 | int ret; | |
1455 | struct prefix_rd prd; | |
1456 | afi_t afi; | |
1457 | int idx = 0; | |
1458 | ||
1459 | if (argv_find_and_parse_vpnvx(argv, argc, &idx, &afi)) { | |
1460 | ret = str2prefix_rd(argv[idx_ext_community]->arg, &prd); | |
1461 | if (!ret) { | |
1462 | vty_out(vty, "%% Malformed Route Distinguisher\n"); | |
1463 | return CMD_WARNING; | |
1464 | } | |
1465 | return bgp_show_mpls_vpn(vty, afi, &prd, bgp_show_type_normal, | |
1466 | NULL, 1, 0); | |
1467 | } | |
1468 | return CMD_SUCCESS; | |
718e3744 | 1469 | } |
1470 | ||
3f227172 PG |
1471 | DEFUN (show_ip_bgp_vpn_all_neighbor_routes, |
1472 | show_ip_bgp_vpn_all_neighbor_routes_cmd, | |
1473 | "show [ip] bgp <vpnv4|vpnv6> all neighbors A.B.C.D routes [json]", | |
718e3744 | 1474 | SHOW_STR |
1475 | IP_STR | |
1476 | BGP_STR | |
3f227172 PG |
1477 | BGP_VPNVX_HELP_STR |
1478 | "Display information about all VPNv4/VPNv6 NLRIs\n" | |
718e3744 | 1479 | "Detailed information on TCP and BGP neighbor connections\n" |
1480 | "Neighbor to display information about\n" | |
856ca177 | 1481 | "Display routes learned from neighbor\n" |
9973d184 | 1482 | JSON_STR) |
718e3744 | 1483 | { |
d62a17ae | 1484 | int idx_ipv4 = 6; |
1485 | union sockunion su; | |
1486 | struct peer *peer; | |
1487 | int ret; | |
1488 | u_char uj = use_json(argc, argv); | |
1489 | afi_t afi; | |
1490 | int idx = 0; | |
1491 | ||
1492 | if (argv_find_and_parse_vpnvx(argv, argc, &idx, &afi)) { | |
1493 | ret = str2sockunion(argv[idx_ipv4]->arg, &su); | |
1494 | if (ret < 0) { | |
1495 | if (uj) { | |
1496 | json_object *json_no = NULL; | |
1497 | json_no = json_object_new_object(); | |
1498 | json_object_string_add(json_no, "warning", | |
1499 | "Malformed address"); | |
1500 | vty_out(vty, "%s\n", | |
1501 | json_object_to_json_string(json_no)); | |
1502 | json_object_free(json_no); | |
1503 | } else | |
1504 | vty_out(vty, "Malformed address: %s\n", | |
1505 | argv[idx_ipv4]->arg); | |
1506 | return CMD_WARNING; | |
1507 | } | |
1508 | ||
1509 | peer = peer_lookup(NULL, &su); | |
1510 | if (!peer || !peer->afc[afi][SAFI_MPLS_VPN]) { | |
1511 | if (uj) { | |
1512 | json_object *json_no = NULL; | |
1513 | json_no = json_object_new_object(); | |
1514 | json_object_string_add( | |
1515 | json_no, "warning", | |
1516 | "No such neighbor or address family"); | |
1517 | vty_out(vty, "%s\n", | |
1518 | json_object_to_json_string(json_no)); | |
1519 | json_object_free(json_no); | |
1520 | } else | |
1521 | vty_out(vty, | |
1522 | "%% No such neighbor or address family\n"); | |
1523 | return CMD_WARNING; | |
1524 | } | |
1525 | ||
1526 | return bgp_show_mpls_vpn(vty, afi, NULL, bgp_show_type_neighbor, | |
1527 | &su, 0, uj); | |
1528 | } | |
1529 | return CMD_SUCCESS; | |
718e3744 | 1530 | } |
1531 | ||
3f227172 PG |
1532 | DEFUN (show_ip_bgp_vpn_rd_neighbor_routes, |
1533 | show_ip_bgp_vpn_rd_neighbor_routes_cmd, | |
d114b977 | 1534 | "show [ip] bgp <vpnv4|vpnv6> rd ASN:NN_OR_IP-ADDRESS:NN neighbors A.B.C.D routes [json]", |
718e3744 | 1535 | SHOW_STR |
1536 | IP_STR | |
1537 | BGP_STR | |
3f227172 | 1538 | BGP_VPNVX_HELP_STR |
718e3744 | 1539 | "Display information for a route distinguisher\n" |
1540 | "VPN Route Distinguisher\n" | |
1541 | "Detailed information on TCP and BGP neighbor connections\n" | |
1542 | "Neighbor to display information about\n" | |
856ca177 | 1543 | "Display routes learned from neighbor\n" |
9973d184 | 1544 | JSON_STR) |
718e3744 | 1545 | { |
d62a17ae | 1546 | int idx_ext_community = 5; |
1547 | int idx_ipv4 = 7; | |
1548 | int ret; | |
1549 | union sockunion su; | |
1550 | struct peer *peer; | |
1551 | struct prefix_rd prd; | |
1552 | u_char uj = use_json(argc, argv); | |
1553 | afi_t afi; | |
1554 | int idx = 0; | |
1555 | ||
1556 | if (argv_find_and_parse_vpnvx(argv, argc, &idx, &afi)) { | |
1557 | ret = str2prefix_rd(argv[idx_ext_community]->arg, &prd); | |
1558 | if (!ret) { | |
1559 | if (uj) { | |
1560 | json_object *json_no = NULL; | |
1561 | json_no = json_object_new_object(); | |
1562 | json_object_string_add( | |
1563 | json_no, "warning", | |
1564 | "Malformed Route Distinguisher"); | |
1565 | vty_out(vty, "%s\n", | |
1566 | json_object_to_json_string(json_no)); | |
1567 | json_object_free(json_no); | |
1568 | } else | |
1569 | vty_out(vty, | |
1570 | "%% Malformed Route Distinguisher\n"); | |
1571 | return CMD_WARNING; | |
1572 | } | |
1573 | ||
1574 | ret = str2sockunion(argv[idx_ipv4]->arg, &su); | |
1575 | if (ret < 0) { | |
1576 | if (uj) { | |
1577 | json_object *json_no = NULL; | |
1578 | json_no = json_object_new_object(); | |
1579 | json_object_string_add(json_no, "warning", | |
1580 | "Malformed address"); | |
1581 | vty_out(vty, "%s\n", | |
1582 | json_object_to_json_string(json_no)); | |
1583 | json_object_free(json_no); | |
1584 | } else | |
1585 | vty_out(vty, "Malformed address: %s\n", | |
1586 | argv[idx_ext_community]->arg); | |
1587 | return CMD_WARNING; | |
1588 | } | |
1589 | ||
1590 | peer = peer_lookup(NULL, &su); | |
1591 | if (!peer || !peer->afc[afi][SAFI_MPLS_VPN]) { | |
1592 | if (uj) { | |
1593 | json_object *json_no = NULL; | |
1594 | json_no = json_object_new_object(); | |
1595 | json_object_string_add( | |
1596 | json_no, "warning", | |
1597 | "No such neighbor or address family"); | |
1598 | vty_out(vty, "%s\n", | |
1599 | json_object_to_json_string(json_no)); | |
1600 | json_object_free(json_no); | |
1601 | } else | |
1602 | vty_out(vty, | |
1603 | "%% No such neighbor or address family\n"); | |
1604 | return CMD_WARNING; | |
1605 | } | |
1606 | ||
1607 | return bgp_show_mpls_vpn(vty, afi, &prd, bgp_show_type_neighbor, | |
1608 | &su, 0, uj); | |
1609 | } | |
1610 | return CMD_SUCCESS; | |
718e3744 | 1611 | } |
1612 | ||
3f227172 PG |
1613 | DEFUN (show_ip_bgp_vpn_all_neighbor_advertised_routes, |
1614 | show_ip_bgp_vpn_all_neighbor_advertised_routes_cmd, | |
1615 | "show [ip] bgp <vpnv4|vpnv6> all neighbors A.B.C.D advertised-routes [json]", | |
718e3744 | 1616 | SHOW_STR |
1617 | IP_STR | |
1618 | BGP_STR | |
3f227172 PG |
1619 | BGP_VPNVX_HELP_STR |
1620 | "Display information about all VPNv4/VPNv6 NLRIs\n" | |
718e3744 | 1621 | "Detailed information on TCP and BGP neighbor connections\n" |
1622 | "Neighbor to display information about\n" | |
856ca177 | 1623 | "Display the routes advertised to a BGP neighbor\n" |
9973d184 | 1624 | JSON_STR) |
718e3744 | 1625 | { |
d62a17ae | 1626 | int idx_ipv4 = 6; |
1627 | int ret; | |
1628 | struct peer *peer; | |
1629 | union sockunion su; | |
1630 | u_char uj = use_json(argc, argv); | |
1631 | afi_t afi; | |
1632 | int idx = 0; | |
1633 | ||
1634 | if (argv_find_and_parse_vpnvx(argv, argc, &idx, &afi)) { | |
1635 | ret = str2sockunion(argv[idx_ipv4]->arg, &su); | |
1636 | if (ret < 0) { | |
1637 | if (uj) { | |
1638 | json_object *json_no = NULL; | |
1639 | json_no = json_object_new_object(); | |
1640 | json_object_string_add(json_no, "warning", | |
1641 | "Malformed address"); | |
1642 | vty_out(vty, "%s\n", | |
1643 | json_object_to_json_string(json_no)); | |
1644 | json_object_free(json_no); | |
1645 | } else | |
1646 | vty_out(vty, "Malformed address: %s\n", | |
1647 | argv[idx_ipv4]->arg); | |
1648 | return CMD_WARNING; | |
1649 | } | |
1650 | peer = peer_lookup(NULL, &su); | |
1651 | if (!peer || !peer->afc[afi][SAFI_MPLS_VPN]) { | |
1652 | if (uj) { | |
1653 | json_object *json_no = NULL; | |
1654 | json_no = json_object_new_object(); | |
1655 | json_object_string_add( | |
1656 | json_no, "warning", | |
1657 | "No such neighbor or address family"); | |
1658 | vty_out(vty, "%s\n", | |
1659 | json_object_to_json_string(json_no)); | |
1660 | json_object_free(json_no); | |
1661 | } else | |
1662 | vty_out(vty, | |
1663 | "%% No such neighbor or address family\n"); | |
1664 | return CMD_WARNING; | |
1665 | } | |
1666 | return show_adj_route_vpn(vty, peer, NULL, AFI_IP, | |
1667 | SAFI_MPLS_VPN, uj); | |
1668 | } | |
1669 | return CMD_SUCCESS; | |
718e3744 | 1670 | } |
1671 | ||
3f227172 PG |
1672 | DEFUN (show_ip_bgp_vpn_rd_neighbor_advertised_routes, |
1673 | show_ip_bgp_vpn_rd_neighbor_advertised_routes_cmd, | |
d114b977 | 1674 | "show [ip] bgp <vpnv4|vpnv6> rd ASN:NN_OR_IP-ADDRESS:NN neighbors A.B.C.D advertised-routes [json]", |
718e3744 | 1675 | SHOW_STR |
1676 | IP_STR | |
1677 | BGP_STR | |
3f227172 | 1678 | BGP_VPNVX_HELP_STR |
718e3744 | 1679 | "Display information for a route distinguisher\n" |
1680 | "VPN Route Distinguisher\n" | |
1681 | "Detailed information on TCP and BGP neighbor connections\n" | |
1682 | "Neighbor to display information about\n" | |
856ca177 | 1683 | "Display the routes advertised to a BGP neighbor\n" |
9973d184 | 1684 | JSON_STR) |
718e3744 | 1685 | { |
d62a17ae | 1686 | int idx_ext_community = 5; |
1687 | int idx_ipv4 = 7; | |
1688 | int ret; | |
1689 | struct peer *peer; | |
1690 | struct prefix_rd prd; | |
1691 | union sockunion su; | |
1692 | u_char uj = use_json(argc, argv); | |
1693 | afi_t afi; | |
1694 | int idx = 0; | |
1695 | ||
1696 | if (argv_find_and_parse_vpnvx(argv, argc, &idx, &afi)) { | |
1697 | ret = str2sockunion(argv[idx_ipv4]->arg, &su); | |
1698 | if (ret < 0) { | |
1699 | if (uj) { | |
1700 | json_object *json_no = NULL; | |
1701 | json_no = json_object_new_object(); | |
1702 | json_object_string_add(json_no, "warning", | |
1703 | "Malformed address"); | |
1704 | vty_out(vty, "%s\n", | |
1705 | json_object_to_json_string(json_no)); | |
1706 | json_object_free(json_no); | |
1707 | } else | |
1708 | vty_out(vty, "Malformed address: %s\n", | |
1709 | argv[idx_ext_community]->arg); | |
1710 | return CMD_WARNING; | |
1711 | } | |
1712 | peer = peer_lookup(NULL, &su); | |
1713 | if (!peer || !peer->afc[afi][SAFI_MPLS_VPN]) { | |
1714 | if (uj) { | |
1715 | json_object *json_no = NULL; | |
1716 | json_no = json_object_new_object(); | |
1717 | json_object_string_add( | |
1718 | json_no, "warning", | |
1719 | "No such neighbor or address family"); | |
1720 | vty_out(vty, "%s\n", | |
1721 | json_object_to_json_string(json_no)); | |
1722 | json_object_free(json_no); | |
1723 | } else | |
1724 | vty_out(vty, | |
1725 | "%% No such neighbor or address family\n"); | |
1726 | return CMD_WARNING; | |
1727 | } | |
1728 | ||
1729 | ret = str2prefix_rd(argv[idx_ext_community]->arg, &prd); | |
1730 | if (!ret) { | |
1731 | if (uj) { | |
1732 | json_object *json_no = NULL; | |
1733 | json_no = json_object_new_object(); | |
1734 | json_object_string_add( | |
1735 | json_no, "warning", | |
1736 | "Malformed Route Distinguisher"); | |
1737 | vty_out(vty, "%s\n", | |
1738 | json_object_to_json_string(json_no)); | |
1739 | json_object_free(json_no); | |
1740 | } else | |
1741 | vty_out(vty, | |
1742 | "%% Malformed Route Distinguisher\n"); | |
1743 | return CMD_WARNING; | |
1744 | } | |
1745 | ||
1746 | return show_adj_route_vpn(vty, peer, &prd, AFI_IP, | |
1747 | SAFI_MPLS_VPN, uj); | |
1748 | } | |
1749 | return CMD_SUCCESS; | |
718e3744 | 1750 | } |
d6902373 | 1751 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
718e3744 | 1752 | |
d62a17ae | 1753 | void bgp_mplsvpn_init(void) |
718e3744 | 1754 | { |
d62a17ae | 1755 | install_element(BGP_VPNV4_NODE, &vpnv4_network_cmd); |
1756 | install_element(BGP_VPNV4_NODE, &vpnv4_network_route_map_cmd); | |
1757 | install_element(BGP_VPNV4_NODE, &no_vpnv4_network_cmd); | |
718e3744 | 1758 | |
d62a17ae | 1759 | install_element(BGP_VPNV6_NODE, &vpnv6_network_cmd); |
1760 | install_element(BGP_VPNV6_NODE, &no_vpnv6_network_cmd); | |
c286be96 | 1761 | |
d62a17ae | 1762 | install_element(VIEW_NODE, &show_bgp_ip_vpn_all_rd_cmd); |
af8528fa | 1763 | install_element(VIEW_NODE, &show_bgp_ip_vpn_rd_cmd); |
d6902373 | 1764 | #ifdef KEEP_OLD_VPN_COMMANDS |
af8528fa | 1765 | install_element(VIEW_NODE, &show_ip_bgp_vpn_rd_cmd); |
d62a17ae | 1766 | install_element(VIEW_NODE, &show_ip_bgp_vpn_all_cmd); |
1767 | install_element(VIEW_NODE, &show_ip_bgp_vpn_all_tags_cmd); | |
1768 | install_element(VIEW_NODE, &show_ip_bgp_vpn_rd_tags_cmd); | |
1769 | install_element(VIEW_NODE, &show_ip_bgp_vpn_all_neighbor_routes_cmd); | |
1770 | install_element(VIEW_NODE, &show_ip_bgp_vpn_rd_neighbor_routes_cmd); | |
1771 | install_element(VIEW_NODE, | |
1772 | &show_ip_bgp_vpn_all_neighbor_advertised_routes_cmd); | |
1773 | install_element(VIEW_NODE, | |
1774 | &show_ip_bgp_vpn_rd_neighbor_advertised_routes_cmd); | |
d6902373 | 1775 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
718e3744 | 1776 | } |