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65efcfce LB |
1 | /* |
2 | * | |
3 | * Copyright 2009-2016, LabN Consulting, L.L.C. | |
4 | * | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
896014f4 DL |
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 | |
65efcfce LB |
19 | */ |
20 | ||
21 | ||
22 | #include <errno.h> | |
23 | ||
f8b6f499 LB |
24 | #include "lib/zebra.h" |
25 | #include "lib/prefix.h" | |
26 | #include "lib/table.h" | |
27 | #include "lib/vty.h" | |
28 | #include "lib/memory.h" | |
29 | #include "lib/routemap.h" | |
30 | #include "lib/log.h" | |
31 | #include "lib/linklist.h" | |
32 | #include "lib/command.h" | |
33 | #include "lib/stream.h" | |
34 | ||
35 | #include "bgpd/bgpd.h" | |
36 | #include "bgpd/bgp_ecommunity.h" | |
37 | #include "bgpd/bgp_attr.h" | |
f8b6f499 LB |
38 | |
39 | #include "bgpd/rfapi/bgp_rfapi_cfg.h" | |
40 | #include "bgpd/rfapi/rfapi.h" | |
41 | #include "bgpd/rfapi/rfapi_backend.h" | |
42 | ||
43 | #include "bgpd/bgp_route.h" | |
c016b6c7 | 44 | #include "bgpd/bgp_mplsvpn.h" |
f8b6f499 LB |
45 | #include "bgpd/bgp_aspath.h" |
46 | #include "bgpd/bgp_advertise.h" | |
47 | #include "bgpd/bgp_vnc_types.h" | |
48 | #include "bgpd/bgp_zebra.h" | |
49 | ||
50 | #include "bgpd/rfapi/rfapi_import.h" | |
51 | #include "bgpd/rfapi/rfapi_private.h" | |
52 | #include "bgpd/rfapi/rfapi_monitor.h" | |
53 | #include "bgpd/rfapi/rfapi_vty.h" | |
54 | #include "bgpd/rfapi/vnc_export_bgp.h" | |
55 | #include "bgpd/rfapi/vnc_export_bgp_p.h" | |
56 | #include "bgpd/rfapi/vnc_zebra.h" | |
57 | #include "bgpd/rfapi/vnc_import_bgp.h" | |
58 | #include "bgpd/rfapi/rfapi_rib.h" | |
59 | #include "bgpd/rfapi/rfapi_ap.h" | |
60 | #include "bgpd/rfapi/rfapi_encap_tlv.h" | |
61 | #include "bgpd/rfapi/vnc_debug.h" | |
65efcfce LB |
62 | |
63 | #ifdef HAVE_GLIBC_BACKTRACE | |
64 | /* for backtrace and friends */ | |
65 | #include <execinfo.h> | |
66 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
67 | ||
68 | struct ethaddr rfapi_ethaddr0 = { {0} }; | |
69 | ||
70 | #define DEBUG_RFAPI_STR "RF API debugging/testing command\n" | |
71 | ||
72 | const char * | |
73 | rfapi_error_str (int code) | |
74 | { | |
75 | switch (code) | |
76 | { | |
77 | case 0: | |
78 | return "Success"; | |
79 | case ENXIO: | |
80 | return "BGP or VNC not configured"; | |
81 | case ENOENT: | |
82 | return "No match"; | |
83 | case EEXIST: | |
84 | return "Handle already open"; | |
85 | case ENOMSG: | |
86 | return "Incomplete configuration"; | |
87 | case EAFNOSUPPORT: | |
88 | return "Invalid address family"; | |
89 | case EDEADLK: | |
90 | return "Called from within a callback procedure"; | |
91 | case EBADF: | |
92 | return "Invalid handle"; | |
93 | case EINVAL: | |
94 | return "Invalid argument"; | |
95 | case ESTALE: | |
96 | return "Stale descriptor"; | |
97 | default: | |
98 | return "Unknown error"; | |
99 | } | |
100 | } | |
101 | ||
102 | /*------------------------------------------ | |
103 | * rfapi_get_response_lifetime_default | |
104 | * | |
105 | * Returns the default lifetime for a response. | |
106 | * rfp_start_val value returned by rfp_start or | |
107 | * NULL (=use default instance) | |
108 | * | |
109 | * input: | |
110 | * None | |
111 | * | |
112 | * output: | |
113 | * | |
114 | * return value: The bgp instance default lifetime for a response. | |
115 | --------------------------------------------*/ | |
116 | int | |
117 | rfapi_get_response_lifetime_default (void *rfp_start_val) | |
118 | { | |
119 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
120 | if (bgp) | |
121 | return bgp->rfapi_cfg->default_response_lifetime; | |
122 | return BGP_VNC_DEFAULT_RESPONSE_LIFETIME_DEFAULT; | |
123 | } | |
124 | ||
125 | /*------------------------------------------ | |
126 | * rfapi_is_vnc_configured | |
127 | * | |
128 | * Returns if VNC (BGP VPN messaging /VPN & encap SAFIs) are configured | |
129 | * | |
130 | * input: | |
131 | * rfp_start_val value returned by rfp_start or | |
132 | * NULL (=use default instance) | |
133 | * | |
134 | * output: | |
135 | * | |
136 | * return value: If VNC is configured for the bgpd instance | |
137 | * 0 Success | |
138 | * ENXIO VNC not configured | |
139 | --------------------------------------------*/ | |
140 | int | |
141 | rfapi_is_vnc_configured (void *rfp_start_val) | |
142 | { | |
143 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
144 | return bgp_rfapi_is_vnc_configured (bgp); | |
145 | } | |
146 | ||
147 | ||
148 | /*------------------------------------------ | |
149 | * rfapi_get_vn_addr | |
150 | * | |
151 | * Get the virtual network address used by an NVE based on it's RFD | |
152 | * | |
153 | * input: | |
154 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic | |
155 | * | |
156 | * output: | |
157 | * | |
158 | * return value: | |
159 | * vn NVE virtual network address | |
160 | *------------------------------------------*/ | |
161 | struct rfapi_ip_addr * | |
162 | rfapi_get_vn_addr (void *rfd) | |
163 | { | |
164 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *) rfd; | |
165 | return &rrfd->vn_addr; | |
166 | } | |
167 | ||
168 | /*------------------------------------------ | |
169 | * rfapi_get_un_addr | |
170 | * | |
171 | * Get the underlay network address used by an NVE based on it's RFD | |
172 | * | |
173 | * input: | |
174 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic | |
175 | * | |
176 | * output: | |
177 | * | |
178 | * return value: | |
179 | * un NVE underlay network address | |
180 | *------------------------------------------*/ | |
181 | struct rfapi_ip_addr * | |
182 | rfapi_get_un_addr (void *rfd) | |
183 | { | |
184 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *) rfd; | |
185 | return &rrfd->un_addr; | |
186 | } | |
187 | ||
188 | int | |
189 | rfapi_ip_addr_cmp (struct rfapi_ip_addr *a1, struct rfapi_ip_addr *a2) | |
190 | { | |
191 | if (a1->addr_family != a2->addr_family) | |
192 | return a1->addr_family - a2->addr_family; | |
193 | ||
194 | if (a1->addr_family == AF_INET) | |
195 | { | |
196 | return IPV4_ADDR_CMP (&a1->addr.v4, &a2->addr.v4); | |
197 | } | |
198 | ||
199 | if (a1->addr_family == AF_INET6) | |
200 | { | |
201 | return IPV6_ADDR_CMP (&a1->addr.v6, &a2->addr.v6); | |
202 | } | |
203 | ||
204 | assert (1); | |
205 | /* NOTREACHED */ | |
206 | return 1; | |
207 | } | |
208 | ||
209 | static int | |
210 | rfapi_find_node ( | |
211 | struct bgp *bgp, | |
212 | struct rfapi_ip_addr *vn_addr, | |
213 | struct rfapi_ip_addr *un_addr, | |
214 | struct route_node **node) | |
215 | { | |
216 | struct rfapi *h; | |
217 | struct prefix p; | |
218 | struct route_node *rn; | |
219 | int rc; | |
220 | int afi; | |
221 | ||
222 | if (!bgp) | |
223 | { | |
224 | return ENXIO; | |
225 | } | |
226 | ||
227 | h = bgp->rfapi; | |
228 | if (!h) | |
229 | { | |
230 | return ENXIO; | |
231 | } | |
232 | ||
233 | afi = family2afi (un_addr->addr_family); | |
234 | if (!afi) | |
235 | { | |
236 | return EAFNOSUPPORT; | |
237 | } | |
238 | ||
239 | if ((rc = rfapiRaddr2Qprefix (un_addr, &p))) | |
240 | return rc; | |
241 | ||
242 | rn = route_node_lookup (&h->un[afi], &p); | |
243 | ||
244 | if (!rn) | |
245 | return ENOENT; | |
246 | ||
247 | route_unlock_node (rn); | |
248 | ||
249 | *node = rn; | |
250 | ||
251 | return 0; | |
252 | } | |
253 | ||
254 | ||
255 | int | |
256 | rfapi_find_rfd ( | |
257 | struct bgp *bgp, | |
258 | struct rfapi_ip_addr *vn_addr, | |
259 | struct rfapi_ip_addr *un_addr, | |
260 | struct rfapi_descriptor **rfd) | |
261 | { | |
262 | struct route_node *rn; | |
263 | int rc; | |
264 | ||
265 | rc = rfapi_find_node (bgp, vn_addr, un_addr, &rn); | |
266 | ||
267 | if (rc) | |
268 | return rc; | |
269 | ||
270 | for (*rfd = (struct rfapi_descriptor *) (rn->info); *rfd; | |
271 | *rfd = (*rfd)->next) | |
272 | { | |
273 | if (!rfapi_ip_addr_cmp (&(*rfd)->vn_addr, vn_addr)) | |
274 | break; | |
275 | } | |
276 | ||
277 | if (!*rfd) | |
278 | return ENOENT; | |
279 | ||
280 | return 0; | |
281 | } | |
282 | ||
283 | /*------------------------------------------ | |
284 | * rfapi_find_handle | |
285 | * | |
286 | * input: | |
287 | * un underlay network address | |
288 | * vn virtual network address | |
289 | * | |
290 | * output: | |
291 | * pHandle pointer to location to store handle | |
292 | * | |
293 | * return value: | |
294 | * 0 Success | |
295 | * ENOENT no matching handle | |
296 | * ENXIO BGP or VNC not configured | |
297 | *------------------------------------------*/ | |
298 | static int | |
299 | rfapi_find_handle ( | |
300 | struct bgp *bgp, | |
301 | struct rfapi_ip_addr *vn_addr, | |
302 | struct rfapi_ip_addr *un_addr, | |
303 | rfapi_handle *handle) | |
304 | { | |
305 | struct rfapi_descriptor **rfd; | |
306 | ||
307 | rfd = (struct rfapi_descriptor **) handle; | |
308 | ||
309 | return rfapi_find_rfd (bgp, vn_addr, un_addr, rfd); | |
310 | } | |
311 | ||
312 | static int | |
313 | rfapi_find_handle_vty ( | |
314 | struct vty *vty, | |
315 | struct rfapi_ip_addr *vn_addr, | |
316 | struct rfapi_ip_addr *un_addr, | |
317 | rfapi_handle *handle) | |
318 | { | |
319 | struct bgp *bgp; | |
320 | struct rfapi_descriptor **rfd; | |
321 | ||
322 | bgp = bgp_get_default (); /* assume 1 instance for now */ | |
323 | ||
324 | rfd = (struct rfapi_descriptor **) handle; | |
325 | ||
326 | return rfapi_find_rfd (bgp, vn_addr, un_addr, rfd); | |
327 | } | |
328 | ||
329 | static int | |
330 | is_valid_rfd (struct rfapi_descriptor *rfd) | |
331 | { | |
332 | rfapi_handle hh; | |
333 | ||
334 | if (!rfd || rfd->bgp == NULL) | |
335 | return 0; | |
336 | ||
5ff06872 LB |
337 | if (CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ |
338 | return 1; | |
339 | ||
65efcfce LB |
340 | if (rfapi_find_handle (rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh)) |
341 | return 0; | |
342 | ||
343 | if (rfd != hh) | |
344 | return 0; | |
345 | ||
346 | return 1; | |
347 | } | |
348 | ||
349 | /* | |
350 | * check status of descriptor | |
351 | */ | |
352 | int | |
353 | rfapi_check (void *handle) | |
354 | { | |
355 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
356 | rfapi_handle hh; | |
357 | int rc; | |
358 | ||
359 | if (!rfd || rfd->bgp == NULL) | |
360 | return EINVAL; | |
361 | ||
5ff06872 LB |
362 | if (CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ |
363 | return 0; | |
364 | ||
65efcfce LB |
365 | if ((rc = rfapi_find_handle (rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh))) |
366 | return rc; | |
367 | ||
368 | if (rfd != hh) | |
369 | return ENOENT; | |
370 | ||
371 | if (!rfd->rfg) | |
372 | return ESTALE; | |
373 | ||
374 | return 0; | |
375 | } | |
376 | ||
377 | ||
378 | ||
379 | void | |
380 | del_vnc_route ( | |
381 | struct rfapi_descriptor *rfd, | |
382 | struct peer *peer, /* rfd->peer for RFP regs */ | |
383 | struct bgp *bgp, | |
384 | safi_t safi, | |
385 | struct prefix *p, | |
386 | struct prefix_rd *prd, | |
387 | uint8_t type, | |
388 | uint8_t sub_type, | |
389 | struct rfapi_nexthop *lnh, | |
390 | int kill) | |
391 | { | |
392 | afi_t afi; /* of the VN address */ | |
393 | struct bgp_node *bn; | |
394 | struct bgp_info *bi; | |
395 | char buf[BUFSIZ]; | |
396 | char buf2[BUFSIZ]; | |
397 | struct prefix_rd prd0; | |
398 | ||
399 | prefix2str (p, buf, BUFSIZ); | |
400 | buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ | |
401 | ||
402 | prefix_rd2str (prd, buf2, BUFSIZ); | |
403 | buf2[BUFSIZ - 1] = 0; | |
404 | ||
405 | afi = family2afi (p->family); | |
406 | assert (afi == AFI_IP || afi == AFI_IP6); | |
407 | ||
408 | if (safi == SAFI_ENCAP) | |
409 | { | |
410 | memset (&prd0, 0, sizeof (prd0)); | |
411 | prd0.family = AF_UNSPEC; | |
412 | prd0.prefixlen = 64; | |
413 | prd = &prd0; | |
414 | } | |
415 | bn = bgp_afi_node_get (bgp->rib[afi][safi], afi, safi, p, prd); | |
416 | ||
a3b55c25 | 417 | vnc_zlog_debug_verbose |
65efcfce LB |
418 | ("%s: peer=%p, prefix=%s, prd=%s afi=%d, safi=%d bn=%p, bn->info=%p", |
419 | __func__, peer, buf, buf2, afi, safi, bn, (bn ? bn->info : NULL)); | |
420 | ||
421 | for (bi = (bn ? bn->info : NULL); bi; bi = bi->next) | |
422 | { | |
423 | ||
a3b55c25 | 424 | vnc_zlog_debug_verbose |
28070ee3 | 425 | ("%s: trying bi=%p, bi->peer=%p, bi->type=%d, bi->sub_type=%d, bi->extra->vnc.export.rfapi_handle=%p, local_pref=%u", |
65efcfce | 426 | __func__, bi, bi->peer, bi->type, bi->sub_type, |
28070ee3 PZ |
427 | (bi->extra ? bi->extra->vnc.export.rfapi_handle : NULL), |
428 | ((bi->attr && CHECK_FLAG(bi->attr->flag, ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF)))? bi->attr->local_pref: 0)); | |
65efcfce LB |
429 | |
430 | if (bi->peer == peer && | |
431 | bi->type == type && | |
432 | bi->sub_type == sub_type && | |
433 | bi->extra && bi->extra->vnc.export.rfapi_handle == (void *) rfd) | |
434 | { | |
435 | ||
a3b55c25 | 436 | vnc_zlog_debug_verbose ("%s: matched it", __func__); |
65efcfce LB |
437 | |
438 | break; | |
439 | } | |
440 | } | |
441 | ||
442 | if (lnh) | |
443 | { | |
444 | /* | |
445 | * lnh set means to JUST delete the local nexthop from this | |
446 | * route. Leave the route itself in place. | |
447 | * TBD add return code reporting of success/failure | |
448 | */ | |
449 | if (!bi || !bi->extra || !bi->extra->vnc.export.local_nexthops) | |
450 | { | |
451 | /* | |
452 | * no local nexthops | |
453 | */ | |
a3b55c25 | 454 | vnc_zlog_debug_verbose ("%s: lnh list already empty at prefix %s", |
65efcfce LB |
455 | __func__, buf); |
456 | goto done; | |
457 | } | |
458 | ||
459 | /* | |
460 | * look for it | |
461 | */ | |
462 | struct listnode *node; | |
463 | struct rfapi_nexthop *pLnh = NULL; | |
464 | ||
465 | for (ALL_LIST_ELEMENTS_RO (bi->extra->vnc.export.local_nexthops, | |
466 | node, pLnh)) | |
467 | { | |
468 | ||
469 | if (prefix_same (&pLnh->addr, &lnh->addr)) | |
470 | { | |
471 | break; | |
472 | } | |
473 | } | |
474 | ||
475 | if (pLnh) | |
476 | { | |
477 | listnode_delete (bi->extra->vnc.export.local_nexthops, pLnh); | |
478 | ||
479 | /* silly rabbit, listnode_delete doesn't invoke list->del on data */ | |
480 | rfapi_nexthop_free (pLnh); | |
481 | } | |
482 | else | |
483 | { | |
a3b55c25 | 484 | vnc_zlog_debug_verbose ("%s: desired lnh not found %s", __func__, buf); |
65efcfce LB |
485 | } |
486 | goto done; | |
487 | } | |
488 | ||
489 | /* | |
490 | * loop back to import tables | |
491 | * Do this before removing from BGP RIB because rfapiProcessWithdraw | |
492 | * might refer to it | |
493 | */ | |
494 | rfapiProcessWithdraw (peer, rfd, p, prd, NULL, afi, safi, type, kill); | |
495 | ||
496 | if (bi) | |
497 | { | |
498 | char buf[BUFSIZ]; | |
499 | ||
500 | prefix2str (p, buf, BUFSIZ); | |
501 | buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ | |
502 | ||
a3b55c25 | 503 | vnc_zlog_debug_verbose ("%s: Found route (safi=%d) to delete at prefix %s", |
65efcfce LB |
504 | __func__, safi, buf); |
505 | ||
506 | if (safi == SAFI_MPLS_VPN) | |
507 | { | |
508 | struct bgp_node *prn = NULL; | |
509 | struct bgp_table *table = NULL; | |
510 | ||
511 | prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); | |
512 | if (prn->info) | |
513 | { | |
514 | table = (struct bgp_table *) (prn->info); | |
515 | ||
516 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve (bgp, | |
517 | prd, | |
518 | table, | |
519 | p, bi); | |
520 | } | |
521 | bgp_unlock_node (prn); | |
522 | } | |
523 | ||
524 | /* | |
525 | * Delete local_nexthops list | |
526 | */ | |
527 | if (bi->extra && bi->extra->vnc.export.local_nexthops) | |
528 | { | |
529 | list_delete (bi->extra->vnc.export.local_nexthops); | |
530 | } | |
531 | ||
532 | bgp_aggregate_decrement (bgp, p, bi, afi, safi); | |
533 | bgp_info_delete (bn, bi); | |
534 | bgp_process (bgp, bn, afi, safi); | |
535 | } | |
536 | else | |
537 | { | |
a3b55c25 | 538 | vnc_zlog_debug_verbose ("%s: Couldn't find route (safi=%d) at prefix %s", |
65efcfce LB |
539 | __func__, safi, buf); |
540 | } | |
541 | done: | |
542 | bgp_unlock_node (bn); | |
543 | } | |
544 | ||
545 | struct rfapi_nexthop * | |
546 | rfapi_nexthop_new (struct rfapi_nexthop *copyme) | |
547 | { | |
548 | struct rfapi_nexthop *new = | |
549 | XCALLOC (MTYPE_RFAPI_NEXTHOP, sizeof (struct rfapi_nexthop)); | |
550 | if (copyme) | |
551 | *new = *copyme; | |
552 | return new; | |
553 | } | |
554 | ||
555 | void | |
556 | rfapi_nexthop_free (void *p) | |
557 | { | |
558 | struct rfapi_nexthop *goner = p; | |
559 | XFREE (MTYPE_RFAPI_NEXTHOP, goner); | |
560 | } | |
561 | ||
562 | struct rfapi_vn_option * | |
563 | rfapi_vn_options_dup (struct rfapi_vn_option *existing) | |
564 | { | |
565 | struct rfapi_vn_option *p; | |
566 | struct rfapi_vn_option *head = NULL; | |
567 | struct rfapi_vn_option *tail = NULL; | |
568 | ||
569 | for (p = existing; p; p = p->next) | |
570 | { | |
571 | struct rfapi_vn_option *new; | |
572 | ||
573 | new = XCALLOC (MTYPE_RFAPI_VN_OPTION, sizeof (struct rfapi_vn_option)); | |
574 | *new = *p; | |
575 | new->next = NULL; | |
576 | if (tail) | |
577 | (tail)->next = new; | |
578 | tail = new; | |
579 | if (!head) | |
580 | { | |
581 | head = new; | |
582 | } | |
583 | } | |
584 | return head; | |
585 | } | |
586 | ||
587 | void | |
588 | rfapi_un_options_free (struct rfapi_un_option *p) | |
589 | { | |
590 | struct rfapi_un_option *next; | |
591 | ||
592 | while (p) | |
593 | { | |
594 | next = p->next; | |
595 | XFREE (MTYPE_RFAPI_UN_OPTION, p); | |
596 | p = next; | |
597 | } | |
598 | } | |
599 | ||
600 | void | |
601 | rfapi_vn_options_free (struct rfapi_vn_option *p) | |
602 | { | |
603 | struct rfapi_vn_option *next; | |
604 | ||
605 | while (p) | |
606 | { | |
607 | next = p->next; | |
608 | XFREE (MTYPE_RFAPI_VN_OPTION, p); | |
609 | p = next; | |
610 | } | |
611 | } | |
612 | ||
613 | /* Based on bgp_redistribute_add() */ | |
614 | void | |
615 | add_vnc_route ( | |
616 | struct rfapi_descriptor *rfd, /* cookie, VPN UN addr, peer */ | |
617 | struct bgp *bgp, | |
618 | int safi, | |
619 | struct prefix *p, | |
620 | struct prefix_rd *prd, | |
621 | struct rfapi_ip_addr *nexthop, | |
622 | uint32_t *local_pref, | |
623 | uint32_t *lifetime, /* NULL => dont send lifetime */ | |
624 | struct bgp_tea_options *rfp_options, | |
625 | struct rfapi_un_option *options_un, | |
626 | struct rfapi_vn_option *options_vn, | |
627 | struct ecommunity *rt_export_list,/* Copied, not consumed */ | |
628 | uint32_t *med, /* NULL => don't set med */ | |
629 | uint32_t *label, /* low order 3 bytes */ | |
630 | uint8_t type, | |
631 | uint8_t sub_type, /* RFP, NORMAL or REDIST */ | |
632 | int flags) | |
633 | { | |
634 | afi_t afi; /* of the VN address */ | |
635 | struct bgp_info *new; | |
636 | struct bgp_info *bi; | |
637 | struct bgp_node *bn; | |
638 | ||
639 | struct attr attr = { 0 }; | |
640 | struct attr *new_attr; | |
641 | uint32_t label_val; | |
642 | ||
643 | struct bgp_attr_encap_subtlv *encaptlv; | |
644 | char buf[BUFSIZ]; | |
645 | char buf2[BUFSIZ]; | |
646 | #if 0 /* unused? */ | |
647 | struct prefix pfx_buf; | |
648 | #endif | |
649 | ||
650 | struct rfapi_nexthop *lnh = NULL; /* local nexthop */ | |
651 | struct rfapi_vn_option *vo; | |
652 | struct rfapi_l2address_option *l2o = NULL; | |
653 | struct rfapi_ip_addr *un_addr = &rfd->un_addr; | |
654 | ||
655 | bgp_encap_types TunnelType = BGP_ENCAP_TYPE_RESERVED; | |
656 | struct bgp_redist *red; | |
657 | ||
658 | if (safi == SAFI_ENCAP && | |
659 | !(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_ADV_UN_METHOD_ENCAP)) | |
660 | { | |
661 | ||
662 | /* | |
663 | * Encap mode not enabled. UN addresses will be communicated | |
664 | * via VNC Tunnel subtlv instead. | |
665 | */ | |
a3b55c25 | 666 | vnc_zlog_debug_verbose ("%s: encap mode not enabled, not adding SAFI_ENCAP route", |
65efcfce LB |
667 | __func__); |
668 | return; | |
669 | } | |
670 | ||
671 | #if 0 /* unused? */ | |
672 | if ((safi == SAFI_MPLS_VPN) && (flags & RFAPI_AHR_SET_PFX_TO_NEXTHOP)) | |
673 | { | |
674 | ||
675 | if (rfapiRaddr2Qprefix (nexthop, &pfx_buf)) | |
676 | { | |
a3b55c25 | 677 | vnc_zlog_debug_verbose |
65efcfce LB |
678 | ("%s: can't set pfx to vn addr, not adding SAFI_MPLS_VPN route", |
679 | __func__); | |
680 | return; | |
681 | } | |
682 | p = &pfx_buf; | |
683 | } | |
684 | #endif | |
685 | for (vo = options_vn; vo; vo = vo->next) | |
686 | { | |
687 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) | |
688 | { | |
689 | l2o = &vo->v.l2addr; | |
690 | if (RFAPI_0_ETHERADDR (&l2o->macaddr)) | |
691 | l2o = NULL; /* not MAC resolution */ | |
692 | } | |
693 | if (RFAPI_VN_OPTION_TYPE_LOCAL_NEXTHOP == vo->type) | |
694 | { | |
695 | lnh = &vo->v.local_nexthop; | |
696 | } | |
697 | } | |
698 | ||
699 | if (label) | |
700 | label_val = *label; | |
701 | else | |
702 | label_val = MPLS_LABEL_IMPLICIT_NULL; | |
703 | ||
704 | prefix_rd2str (prd, buf2, BUFSIZ); | |
705 | buf2[BUFSIZ - 1] = 0; | |
706 | ||
707 | ||
708 | afi = family2afi (p->family); | |
709 | assert (afi == AFI_IP || afi == AFI_IP6); | |
710 | ||
a3b55c25 | 711 | vnc_zlog_debug_verbose ("%s: afi=%s, safi=%s", __func__, afi2str (afi), |
65efcfce LB |
712 | safi2str (safi)); |
713 | ||
714 | /* Make default attribute. Produces already-interned attr.aspath */ | |
715 | /* Cripes, the memory management of attributes is byzantine */ | |
716 | ||
717 | bgp_attr_default_set (&attr, BGP_ORIGIN_INCOMPLETE); | |
718 | assert (attr.extra); | |
719 | ||
720 | /* | |
721 | * At this point: | |
722 | * attr: static | |
723 | * extra: dynamically allocated, owned by attr | |
724 | * aspath: points to interned hash from aspath hash table | |
725 | */ | |
726 | ||
727 | ||
728 | /* | |
729 | * Route-specific un_options get added to the VPN SAFI | |
730 | * advertisement tunnel encap attribute. (the per-NVE | |
731 | * "default" un_options are put into the 1-per-NVE ENCAP | |
732 | * SAFI advertisement). The VPN SAFI also gets the | |
733 | * default un_options if there are no route-specific options. | |
734 | */ | |
735 | if (options_un) | |
736 | { | |
737 | struct rfapi_un_option *uo; | |
738 | ||
739 | for (uo = options_un; uo; uo = uo->next) | |
740 | { | |
741 | if (RFAPI_UN_OPTION_TYPE_TUNNELTYPE == uo->type) | |
742 | { | |
743 | TunnelType = rfapi_tunneltype_option_to_tlv ( | |
744 | bgp, un_addr, &uo->v.tunnel, &attr, l2o != NULL); | |
745 | } | |
746 | } | |
747 | } | |
748 | else | |
749 | { | |
750 | /* | |
751 | * Add encap attr | |
752 | * These are the NVE-specific "default" un_options which are | |
753 | * put into the 1-per-NVE ENCAP advertisement. | |
754 | */ | |
755 | if (rfd->default_tunneltype_option.type) | |
756 | { | |
757 | TunnelType = rfapi_tunneltype_option_to_tlv ( | |
758 | bgp, un_addr, &rfd->default_tunneltype_option, &attr, | |
759 | l2o != NULL); | |
760 | } | |
130c31c8 LB |
761 | else /* create default for local addse */ |
762 | if (type == ZEBRA_ROUTE_BGP && sub_type == BGP_ROUTE_RFP) | |
763 | TunnelType = | |
764 | rfapi_tunneltype_option_to_tlv (bgp, un_addr, NULL, | |
765 | &attr, l2o != NULL); | |
65efcfce LB |
766 | } |
767 | ||
768 | if (TunnelType == BGP_ENCAP_TYPE_MPLS) | |
769 | { | |
770 | if (safi == SAFI_ENCAP) | |
771 | { | |
772 | /* Encap SAFI not used with MPLS */ | |
a3b55c25 | 773 | vnc_zlog_debug_verbose ("%s: mpls tunnel type, encap safi omitted", __func__); |
65efcfce LB |
774 | aspath_unintern (&attr.aspath); /* Unintern original. */ |
775 | bgp_attr_extra_free (&attr); | |
776 | return; | |
777 | } | |
65efcfce LB |
778 | } |
779 | ||
780 | if (local_pref) | |
781 | { | |
782 | attr.local_pref = *local_pref; | |
783 | attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF); | |
784 | } | |
785 | ||
786 | if (med) | |
787 | { | |
788 | attr.med = *med; | |
789 | attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC); | |
790 | } | |
791 | ||
792 | /* override default weight assigned by bgp_attr_default_set() */ | |
d8e012a8 | 793 | attr.extra->weight = rfd->peer ? rfd->peer->weight[afi][safi] : 0; |
65efcfce LB |
794 | |
795 | /* | |
796 | * NB: ticket 81: do not reset attr.aspath here because it would | |
797 | * cause iBGP peers to drop route | |
798 | */ | |
799 | ||
800 | /* | |
801 | * Set originator ID for routes imported from BGP directly. | |
802 | * These routes could be synthetic, and therefore could | |
803 | * reuse the peer pointers of the routes they are derived | |
804 | * from. Setting the originator ID to "us" prevents the | |
805 | * wrong originator ID from being sent when this route is | |
806 | * sent from a route reflector. | |
807 | */ | |
808 | if (type == ZEBRA_ROUTE_BGP_DIRECT || type == ZEBRA_ROUTE_BGP_DIRECT_EXT) | |
809 | { | |
810 | attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_ORIGINATOR_ID); | |
811 | attr.extra->originator_id = bgp->router_id; | |
812 | } | |
813 | ||
814 | ||
815 | /* Set up vnc attribute (sub-tlv for Prefix Lifetime) */ | |
816 | if (lifetime && *lifetime != RFAPI_INFINITE_LIFETIME) | |
817 | { | |
818 | uint32_t lt; | |
819 | ||
820 | encaptlv = | |
821 | XCALLOC (MTYPE_ENCAP_TLV, | |
822 | sizeof (struct bgp_attr_encap_subtlv) - 1 + 4); | |
823 | assert (encaptlv); | |
824 | encaptlv->type = BGP_VNC_SUBTLV_TYPE_LIFETIME; /* prefix lifetime */ | |
825 | encaptlv->length = 4; | |
826 | lt = htonl (*lifetime); | |
827 | memcpy (encaptlv->value, <, 4); | |
828 | attr.extra->vnc_subtlvs = encaptlv; | |
a3b55c25 | 829 | vnc_zlog_debug_verbose ("%s: set Encap Attr Prefix Lifetime to %d", |
65efcfce LB |
830 | __func__, *lifetime); |
831 | } | |
832 | ||
833 | /* add rfp options to vnc attr */ | |
834 | if (rfp_options) | |
835 | { | |
836 | ||
837 | if (flags & RFAPI_AHR_RFPOPT_IS_VNCTLV) | |
838 | { | |
839 | ||
840 | /* | |
841 | * this flag means we're passing a pointer to an | |
842 | * existing encap tlv chain which we should copy. | |
843 | * It's a hack to avoid adding yet another argument | |
844 | * to add_vnc_route() | |
845 | */ | |
846 | encaptlv = | |
847 | encap_tlv_dup ((struct bgp_attr_encap_subtlv *) rfp_options); | |
848 | if (attr.extra->vnc_subtlvs) | |
849 | { | |
850 | attr.extra->vnc_subtlvs->next = encaptlv; | |
851 | } | |
852 | else | |
853 | { | |
854 | attr.extra->vnc_subtlvs = encaptlv; | |
855 | } | |
856 | ||
857 | } | |
858 | else | |
859 | { | |
860 | struct bgp_tea_options *hop; | |
861 | /* XXX max of one tlv present so far from above code */ | |
862 | struct bgp_attr_encap_subtlv *tail = attr.extra->vnc_subtlvs; | |
863 | ||
864 | for (hop = rfp_options; hop; hop = hop->next) | |
865 | { | |
866 | ||
867 | /* | |
868 | * Construct subtlv | |
869 | */ | |
870 | encaptlv = XCALLOC (MTYPE_ENCAP_TLV, | |
871 | sizeof (struct bgp_attr_encap_subtlv) - 1 + | |
872 | 2 + hop->length); | |
873 | assert (encaptlv); | |
874 | encaptlv->type = BGP_VNC_SUBTLV_TYPE_RFPOPTION; /* RFP option */ | |
875 | encaptlv->length = 2 + hop->length; | |
876 | *((uint8_t *) (encaptlv->value) + 0) = hop->type; | |
877 | *((uint8_t *) (encaptlv->value) + 1) = hop->length; | |
878 | memcpy (((uint8_t *) encaptlv->value) + 2, hop->value, | |
879 | hop->length); | |
880 | ||
881 | /* | |
882 | * add to end of subtlv chain | |
883 | */ | |
884 | if (tail) | |
885 | { | |
886 | tail->next = encaptlv; | |
887 | } | |
888 | else | |
889 | { | |
890 | attr.extra->vnc_subtlvs = encaptlv; | |
891 | } | |
892 | tail = encaptlv; | |
893 | } | |
894 | } | |
895 | } | |
896 | ||
897 | /* | |
898 | * At this point: | |
899 | * attr: static | |
900 | * extra: dynamically allocated, owned by attr | |
901 | * vnc_subtlvs: dynamic chain, length 1 | |
902 | * aspath: points to interned hash from aspath hash table | |
903 | */ | |
904 | ||
905 | ||
906 | attr.extra->ecommunity = ecommunity_new (); | |
907 | assert (attr.extra->ecommunity); | |
908 | ||
909 | if (TunnelType != BGP_ENCAP_TYPE_MPLS && | |
910 | TunnelType != BGP_ENCAP_TYPE_RESERVED) | |
911 | { | |
912 | /* | |
913 | * Add BGP Encapsulation Extended Community. Format described in | |
914 | * section 4.5 of RFC 5512. | |
915 | * Always include when not MPLS type, to disambiguate this case. | |
916 | */ | |
917 | struct ecommunity_val beec; | |
918 | ||
919 | memset (&beec, 0, sizeof (beec)); | |
920 | beec.val[0] = ECOMMUNITY_ENCODE_OPAQUE; | |
921 | beec.val[1] = ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP; | |
922 | beec.val[6] = ((TunnelType) >> 8) & 0xff; | |
923 | beec.val[7] = (TunnelType) & 0xff; | |
924 | ecommunity_add_val (attr.extra->ecommunity, &beec); | |
925 | } | |
926 | ||
927 | /* | |
928 | * Add extended community attributes to match rt export list | |
929 | */ | |
930 | if (rt_export_list) | |
931 | { | |
932 | attr.extra->ecommunity = | |
933 | ecommunity_merge (attr.extra->ecommunity, rt_export_list); | |
934 | } | |
935 | ||
936 | if (attr.extra->ecommunity->size) | |
937 | { | |
938 | attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_EXT_COMMUNITIES); | |
939 | } | |
940 | else | |
941 | { | |
942 | ecommunity_free (&attr.extra->ecommunity); | |
943 | attr.extra->ecommunity = NULL; | |
944 | } | |
a3b55c25 | 945 | vnc_zlog_debug_verbose ("%s: attr.extra->ecommunity=%p", __func__, |
65efcfce LB |
946 | attr.extra->ecommunity); |
947 | ||
948 | ||
949 | /* | |
950 | * At this point: | |
951 | * attr: static | |
952 | * extra: dynamically allocated, owned by attr | |
953 | * vnc_subtlvs: dynamic chain, length 1 | |
954 | * ecommunity: dynamic 2-part | |
955 | * aspath: points to interned hash from aspath hash table | |
956 | */ | |
957 | ||
958 | /* stuff nexthop in attr_extra; which field depends on IPv4 or IPv6 */ | |
959 | switch (nexthop->addr_family) | |
960 | { | |
961 | case AF_INET: | |
962 | /* | |
963 | * set this field to prevent bgp_route.c code from setting | |
964 | * mp_nexthop_global_in to self | |
965 | */ | |
966 | attr.nexthop.s_addr = nexthop->addr.v4.s_addr; | |
967 | ||
968 | attr.extra->mp_nexthop_global_in = nexthop->addr.v4; | |
969 | attr.extra->mp_nexthop_len = 4; | |
970 | break; | |
971 | ||
972 | case AF_INET6: | |
973 | attr.extra->mp_nexthop_global = nexthop->addr.v6; | |
974 | attr.extra->mp_nexthop_len = 16; | |
975 | break; | |
976 | ||
977 | default: | |
978 | assert (0); | |
979 | } | |
980 | ||
981 | ||
982 | prefix2str (p, buf, BUFSIZ); | |
983 | buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ | |
984 | ||
985 | /* | |
986 | * At this point: | |
987 | * | |
988 | * attr: static | |
989 | * extra: dynamically allocated, owned by attr | |
990 | * vnc_subtlvs: dynamic chain, length 1 | |
991 | * ecommunity: dynamic 2-part | |
992 | * aspath: points to interned hash from aspath hash table | |
993 | */ | |
994 | ||
995 | red = bgp_redist_lookup(bgp, afi, type, VRF_DEFAULT); | |
996 | ||
997 | if (red && red->redist_metric_flag) | |
998 | { | |
999 | attr.med = red->redist_metric; | |
1000 | attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC); | |
1001 | } | |
1002 | ||
1003 | bn = bgp_afi_node_get (bgp->rib[afi][safi], afi, safi, p, prd); | |
1004 | ||
1005 | /* | |
1006 | * bgp_attr_intern creates a new reference to a cached | |
1007 | * attribute, but leaves the following bits of trash: | |
1008 | * - old attr | |
1009 | * - old attr->extra (free via bgp_attr_extra_free(attr)) | |
1010 | * | |
1011 | * Note that it frees the original attr->extra->ecommunity | |
1012 | * but leaves the new attribute pointing to the ORIGINAL | |
1013 | * vnc options (which therefore we needn't free from the | |
1014 | * static attr) | |
1015 | */ | |
1016 | new_attr = bgp_attr_intern (&attr); | |
1017 | ||
1018 | aspath_unintern (&attr.aspath); /* Unintern original. */ | |
1019 | bgp_attr_extra_free (&attr); | |
1020 | ||
1021 | /* | |
1022 | * At this point: | |
1023 | * | |
1024 | * attr: static | |
1025 | * extra: dynamically allocated, owned by attr | |
1026 | * vnc_subtlvs: dynamic chain, length 1 | |
1027 | * ecommunity: POINTS TO INTERNED ecom, THIS REF NOT COUNTED | |
1028 | * | |
1029 | * new_attr: an attr that is part of the hash table, distinct | |
1030 | * from attr which is static. | |
1031 | * extra: dynamically allocated, owned by new_attr (in hash table) | |
1032 | * vnc_subtlvs: POINTS TO SAME dynamic chain AS attr | |
1033 | * ecommunity: POINTS TO interned/refcounted dynamic 2-part AS attr | |
1034 | * aspath: POINTS TO interned/refcounted hashed block | |
1035 | */ | |
1036 | for (bi = bn->info; bi; bi = bi->next) | |
1037 | { | |
1038 | /* probably only need to check bi->extra->vnc.export.rfapi_handle */ | |
1039 | if (bi->peer == rfd->peer && | |
1040 | bi->type == type && | |
1041 | bi->sub_type == sub_type && | |
1042 | bi->extra && bi->extra->vnc.export.rfapi_handle == (void *) rfd) | |
1043 | { | |
1044 | ||
1045 | break; | |
1046 | } | |
1047 | } | |
1048 | ||
1049 | if (bi) | |
1050 | { | |
1051 | ||
1052 | /* | |
1053 | * Adding new local_nexthop, which does not by itself change | |
1054 | * what is advertised via BGP | |
1055 | */ | |
1056 | if (lnh) | |
1057 | { | |
1058 | if (!bi->extra->vnc.export.local_nexthops) | |
1059 | { | |
1060 | /* TBD make arrangements to free when needed */ | |
1061 | bi->extra->vnc.export.local_nexthops = list_new (); | |
1062 | bi->extra->vnc.export.local_nexthops->del = rfapi_nexthop_free; | |
1063 | } | |
1064 | ||
1065 | /* | |
1066 | * already present? | |
1067 | */ | |
1068 | struct listnode *node; | |
1069 | struct rfapi_nexthop *pLnh = NULL; | |
1070 | ||
1071 | for (ALL_LIST_ELEMENTS_RO (bi->extra->vnc.export.local_nexthops, | |
1072 | node, pLnh)) | |
1073 | { | |
1074 | ||
1075 | if (prefix_same (&pLnh->addr, &lnh->addr)) | |
1076 | { | |
1077 | break; | |
1078 | } | |
1079 | } | |
1080 | ||
1081 | /* | |
1082 | * Not present, add new one | |
1083 | */ | |
1084 | if (!pLnh) | |
1085 | { | |
1086 | pLnh = rfapi_nexthop_new (lnh); | |
1087 | listnode_add (bi->extra->vnc.export.local_nexthops, pLnh); | |
1088 | } | |
1089 | } | |
1090 | ||
1091 | if (attrhash_cmp (bi->attr, new_attr) && | |
1092 | !CHECK_FLAG (bi->flags, BGP_INFO_REMOVED)) | |
1093 | { | |
1094 | bgp_attr_unintern (&new_attr); | |
1095 | bgp_unlock_node (bn); | |
1096 | ||
a3b55c25 | 1097 | vnc_zlog_debug_any ("%s: Found route (safi=%d) at prefix %s, no change", |
65efcfce LB |
1098 | __func__, safi, buf); |
1099 | ||
1100 | goto done; | |
1101 | } | |
1102 | else | |
1103 | { | |
1104 | /* The attribute is changed. */ | |
1105 | bgp_info_set_flag (bn, bi, BGP_INFO_ATTR_CHANGED); | |
1106 | ||
1107 | if (safi == SAFI_MPLS_VPN) | |
1108 | { | |
1109 | struct bgp_node *prn = NULL; | |
1110 | struct bgp_table *table = NULL; | |
1111 | ||
1112 | prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); | |
1113 | if (prn->info) | |
1114 | { | |
1115 | table = (struct bgp_table *) (prn->info); | |
1116 | ||
1117 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve ( | |
1118 | bgp, prd, table, p, bi); | |
1119 | } | |
1120 | bgp_unlock_node (prn); | |
1121 | } | |
1122 | ||
1123 | /* Rewrite BGP route information. */ | |
1124 | if (CHECK_FLAG (bi->flags, BGP_INFO_REMOVED)) | |
1125 | bgp_info_restore (bn, bi); | |
1126 | else | |
1127 | bgp_aggregate_decrement (bgp, p, bi, afi, safi); | |
1128 | bgp_attr_unintern (&bi->attr); | |
1129 | bi->attr = new_attr; | |
1130 | bi->uptime = bgp_clock (); | |
1131 | ||
1132 | ||
1133 | if (safi == SAFI_MPLS_VPN) | |
1134 | { | |
1135 | struct bgp_node *prn = NULL; | |
1136 | struct bgp_table *table = NULL; | |
1137 | ||
1138 | prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); | |
1139 | if (prn->info) | |
1140 | { | |
1141 | table = (struct bgp_table *) (prn->info); | |
1142 | ||
1143 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve ( | |
1144 | bgp, prd, table, p, bi); | |
1145 | } | |
1146 | bgp_unlock_node (prn); | |
1147 | } | |
1148 | ||
1149 | /* Process change. */ | |
1150 | bgp_aggregate_increment (bgp, p, bi, afi, safi); | |
1151 | bgp_process (bgp, bn, afi, safi); | |
1152 | bgp_unlock_node (bn); | |
1153 | ||
a3b55c25 | 1154 | vnc_zlog_debug_any ("%s: Found route (safi=%d) at prefix %s, changed attr", |
65efcfce LB |
1155 | __func__, safi, buf); |
1156 | ||
1157 | goto done; | |
1158 | } | |
1159 | } | |
1160 | ||
1161 | ||
1162 | new = bgp_info_new (); | |
1163 | new->type = type; | |
1164 | new->sub_type = sub_type; | |
1165 | new->peer = rfd->peer; | |
1166 | SET_FLAG (new->flags, BGP_INFO_VALID); | |
1167 | new->attr = new_attr; | |
1168 | new->uptime = bgp_clock (); | |
1169 | ||
1170 | /* save backref to rfapi handle */ | |
1171 | assert (bgp_info_extra_get (new)); | |
1172 | new->extra->vnc.export.rfapi_handle = (void *) rfd; | |
0826e83c | 1173 | encode_label (label_val, &new->extra->label); |
65efcfce LB |
1174 | |
1175 | /* debug */ | |
a3b55c25 LB |
1176 | |
1177 | if (VNC_DEBUG(VERBOSE)) | |
1178 | { | |
1179 | vnc_zlog_debug_verbose ("%s: printing BI", __func__); | |
1180 | rfapiPrintBi (NULL, new); | |
1181 | } | |
65efcfce LB |
1182 | |
1183 | bgp_aggregate_increment (bgp, p, new, afi, safi); | |
1184 | bgp_info_add (bn, new); | |
1185 | ||
1186 | if (safi == SAFI_MPLS_VPN) | |
1187 | { | |
1188 | struct bgp_node *prn = NULL; | |
1189 | struct bgp_table *table = NULL; | |
1190 | ||
1191 | prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); | |
1192 | if (prn->info) | |
1193 | { | |
1194 | table = (struct bgp_table *) (prn->info); | |
1195 | ||
1196 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve ( | |
1197 | bgp, prd, table, p, new); | |
1198 | } | |
1199 | bgp_unlock_node (prn); | |
0826e83c | 1200 | encode_label (label_val, &bn->local_label); |
65efcfce LB |
1201 | } |
1202 | ||
1203 | bgp_unlock_node (bn); | |
1204 | bgp_process (bgp, bn, afi, safi); | |
1205 | ||
a3b55c25 | 1206 | vnc_zlog_debug_any ("%s: Added route (safi=%s) at prefix %s (bn=%p, prd=%s)", |
65efcfce LB |
1207 | __func__, safi2str (safi), buf, bn, buf2); |
1208 | ||
1209 | done: | |
1210 | /* Loop back to import tables */ | |
1211 | rfapiProcessUpdate (rfd->peer, | |
1212 | rfd, | |
1213 | p, prd, new_attr, afi, safi, type, sub_type, &label_val); | |
a3b55c25 | 1214 | vnc_zlog_debug_verbose ("%s: looped back import route (safi=%d)", __func__, safi); |
65efcfce LB |
1215 | } |
1216 | ||
1217 | uint32_t | |
1218 | rfp_cost_to_localpref (uint8_t cost) | |
1219 | { | |
1220 | return 255 - cost; | |
1221 | } | |
1222 | ||
1223 | static void | |
1224 | rfapiTunnelRouteAnnounce ( | |
1225 | struct bgp *bgp, | |
1226 | struct rfapi_descriptor *rfd, | |
1227 | uint32_t *pLifetime) | |
1228 | { | |
1229 | struct prefix_rd prd; | |
1230 | struct prefix pfx_vn; | |
1231 | int rc; | |
1232 | uint32_t local_pref = rfp_cost_to_localpref (0); | |
1233 | ||
1234 | rc = rfapiRaddr2Qprefix (&(rfd->vn_addr), &pfx_vn); | |
1235 | assert (!rc); | |
1236 | ||
1237 | /* | |
1238 | * Construct route distinguisher = 0 | |
1239 | */ | |
1240 | memset (&prd, 0, sizeof (prd)); | |
1241 | prd.family = AF_UNSPEC; | |
1242 | prd.prefixlen = 64; | |
1243 | ||
1244 | add_vnc_route (rfd, /* rfapi descr, for export list & backref */ | |
1245 | bgp, /* which bgp instance */ | |
1246 | SAFI_ENCAP, /* which SAFI */ | |
1247 | &pfx_vn, /* prefix to advertise */ | |
1248 | &prd, /* route distinguisher to use */ | |
1249 | &rfd->un_addr, /* nexthop */ | |
1250 | &local_pref, | |
1251 | pLifetime, /* max lifetime of child VPN routes */ | |
1252 | NULL, /* no rfp options for ENCAP safi */ | |
1253 | NULL, /* rfp un options */ | |
1254 | NULL, /* rfp vn options */ | |
1255 | rfd->rt_export_list, | |
1256 | NULL, /* med */ | |
1257 | NULL, /* label: default */ | |
1258 | ZEBRA_ROUTE_BGP, | |
1259 | BGP_ROUTE_RFP, | |
1260 | 0); | |
1261 | } | |
1262 | ||
1263 | ||
1264 | /*********************************************************************** | |
1265 | * RFP processing behavior configuration | |
1266 | ***********************************************************************/ | |
1267 | ||
1268 | /*------------------------------------------ | |
1269 | * rfapi_rfp_set_configuration | |
1270 | * | |
1271 | * This is used to change rfapi's processing behavior based on | |
1272 | * RFP requirements. | |
1273 | * | |
1274 | * input: | |
1275 | * rfp_start_val value returned by rfp_start | |
1276 | * rfapi_rfp_cfg Pointer to configuration structure | |
1277 | * | |
1278 | * output: | |
1279 | * none | |
1280 | * | |
1281 | * return value: | |
1282 | * 0 Success | |
1283 | * ENXIO Unabled to locate configured BGP/VNC | |
1284 | --------------------------------------------*/ | |
1285 | int | |
1286 | rfapi_rfp_set_configuration (void *rfp_start_val, struct rfapi_rfp_cfg *new) | |
1287 | { | |
1288 | struct rfapi_rfp_cfg *rcfg; | |
1289 | struct bgp *bgp; | |
1290 | ||
1291 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
1292 | ||
1293 | if (!new || !bgp || !bgp->rfapi_cfg) | |
1294 | return ENXIO; | |
1295 | ||
1296 | rcfg = &bgp->rfapi_cfg->rfp_cfg; | |
1297 | rcfg->download_type = new->download_type; | |
1298 | rcfg->ftd_advertisement_interval = new->ftd_advertisement_interval; | |
1299 | rcfg->holddown_factor = new->holddown_factor; | |
1300 | ||
1301 | if (rcfg->use_updated_response != new->use_updated_response) | |
1302 | { | |
1303 | rcfg->use_updated_response = new->use_updated_response; | |
1304 | if (rcfg->use_updated_response) | |
1305 | rfapiMonitorCallbacksOn (bgp); | |
1306 | else | |
1307 | rfapiMonitorCallbacksOff (bgp); | |
1308 | } | |
1309 | if (rcfg->use_removes != new->use_removes) | |
1310 | { | |
1311 | rcfg->use_removes = new->use_removes; | |
1312 | if (rcfg->use_removes) | |
1313 | rfapiMonitorResponseRemovalOn (bgp); | |
1314 | else | |
1315 | rfapiMonitorResponseRemovalOff (bgp); | |
1316 | } | |
1317 | return 0; | |
1318 | } | |
1319 | ||
1320 | /*------------------------------------------ | |
1321 | * rfapi_rfp_set_cb_methods | |
1322 | * | |
1323 | * Change registered callback functions for asynchronous notifications | |
1324 | * from RFAPI to the RFP client. | |
1325 | * | |
1326 | * input: | |
1327 | * rfp_start_val value returned by rfp_start | |
1328 | * methods Pointer to struct rfapi_rfp_cb_methods containing | |
1329 | * pointers to callback methods as described above | |
1330 | * | |
1331 | * return value: | |
1332 | * 0 Success | |
1333 | * ENXIO BGP or VNC not configured | |
1334 | *------------------------------------------*/ | |
1335 | int | |
1336 | rfapi_rfp_set_cb_methods (void *rfp_start_val, | |
1337 | struct rfapi_rfp_cb_methods *methods) | |
1338 | { | |
1339 | struct rfapi *h; | |
1340 | struct bgp *bgp; | |
1341 | ||
1342 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
1343 | if (!bgp) | |
1344 | return ENXIO; | |
1345 | ||
1346 | h = bgp->rfapi; | |
1347 | if (!h) | |
1348 | return ENXIO; | |
1349 | ||
1350 | h->rfp_methods = *methods; | |
1351 | ||
1352 | return 0; | |
1353 | } | |
1354 | ||
1355 | /*********************************************************************** | |
1356 | * NVE Sessions | |
1357 | ***********************************************************************/ | |
65efcfce LB |
1358 | /* |
1359 | * Caller must supply an already-allocated rfd with the "caller" | |
1360 | * fields already set (vn_addr, un_addr, callback, cookie) | |
1361 | * The advertised_prefixes[] array elements should be NULL to | |
1362 | * have this function set them to newly-allocated radix trees. | |
1363 | */ | |
1364 | static int | |
1365 | rfapi_open_inner ( | |
1366 | struct rfapi_descriptor *rfd, | |
1367 | struct bgp *bgp, | |
1368 | struct rfapi *h, | |
1369 | struct rfapi_nve_group_cfg *rfg) | |
1370 | { | |
1371 | int ret; | |
1372 | ||
1373 | if (h->flags & RFAPI_INCALLBACK) | |
1374 | return EDEADLK; | |
1375 | ||
1376 | /* | |
1377 | * Fill in configured fields | |
1378 | */ | |
1379 | ||
1380 | /* | |
1381 | * If group's RD is specified as "auto", then fill in based | |
1382 | * on NVE's VN address | |
1383 | */ | |
1384 | rfd->rd = rfg->rd; | |
1385 | ||
1386 | if (rfd->rd.family == AF_UNIX) | |
1387 | { | |
1388 | ret = rfapi_set_autord_from_vn (&rfd->rd, &rfd->vn_addr); | |
1389 | if (ret != 0) | |
1390 | return ret; | |
1391 | } | |
1392 | rfd->rt_export_list = (rfg->rt_export_list) ? | |
1393 | ecommunity_dup (rfg->rt_export_list) : NULL; | |
1394 | rfd->response_lifetime = rfg->response_lifetime; | |
1395 | rfd->rfg = rfg; | |
1396 | ||
1397 | /* | |
1398 | * Fill in BGP peer structure | |
1399 | */ | |
1400 | rfd->peer = peer_new (bgp); | |
1401 | rfd->peer->status = Established; /* keep bgp core happy */ | |
1402 | bgp_sync_delete (rfd->peer); /* don't need these */ | |
1403 | if (rfd->peer->ibuf) | |
1404 | { | |
1405 | stream_free (rfd->peer->ibuf); /* don't need it */ | |
1406 | rfd->peer->ibuf = NULL; | |
1407 | } | |
1408 | if (rfd->peer->obuf) | |
1409 | { | |
1410 | stream_fifo_free (rfd->peer->obuf); /* don't need it */ | |
1411 | rfd->peer->obuf = NULL; | |
1412 | } | |
1413 | if (rfd->peer->work) | |
1414 | { | |
1415 | stream_free (rfd->peer->work); /* don't need it */ | |
1416 | rfd->peer->work = NULL; | |
1417 | } | |
1418 | { /* base code assumes have valid host pointer */ | |
1419 | char buf[BUFSIZ]; | |
1420 | buf[0] = 0; | |
1421 | ||
1422 | if (rfd->vn_addr.addr_family == AF_INET) | |
1423 | { | |
1424 | inet_ntop (AF_INET, &rfd->vn_addr.addr.v4, buf, BUFSIZ); | |
1425 | } | |
1426 | else if (rfd->vn_addr.addr_family == AF_INET6) | |
1427 | { | |
1428 | inet_ntop (AF_INET6, &rfd->vn_addr.addr.v6, buf, BUFSIZ); | |
1429 | } | |
1430 | rfd->peer->host = XSTRDUP (MTYPE_BGP_PEER_HOST, buf); | |
1431 | } | |
1432 | /* Mark peer as belonging to HD */ | |
1433 | SET_FLAG (rfd->peer->flags, PEER_FLAG_IS_RFAPI_HD); | |
1434 | ||
1435 | /* | |
1436 | * Set min prefix lifetime to max value so it will get set | |
1437 | * upon first rfapi_register() | |
1438 | */ | |
1439 | rfd->min_prefix_lifetime = UINT32_MAX; | |
1440 | ||
1441 | /* | |
1442 | * Allocate response tables if needed | |
1443 | */ | |
1444 | #define RFD_RTINIT_AFI(rh, ary, afi) do {\ | |
1445 | if (!ary[afi]) { \ | |
1446 | ary[afi] = route_table_init ();\ | |
1447 | ary[afi]->info = rh;\ | |
1448 | }\ | |
1449 | } while (0) | |
1450 | ||
1451 | #define RFD_RTINIT(rh, ary) do {\ | |
1452 | RFD_RTINIT_AFI(rh, ary, AFI_IP);\ | |
1453 | RFD_RTINIT_AFI(rh, ary, AFI_IP6);\ | |
0aa9c36c | 1454 | RFD_RTINIT_AFI(rh, ary, AFI_L2VPN);\ |
65efcfce LB |
1455 | } while(0) |
1456 | ||
1457 | RFD_RTINIT(rfd, rfd->rib); | |
1458 | RFD_RTINIT(rfd, rfd->rib_pending); | |
1459 | RFD_RTINIT(rfd, rfd->rsp_times); | |
1460 | ||
1461 | /* | |
1462 | * Link to Import Table | |
1463 | */ | |
1464 | rfd->import_table = rfg->rfapi_import_table; | |
1465 | rfd->import_table->refcount += 1; | |
1466 | ||
1467 | rfapiApInit (&rfd->advertised); | |
1468 | ||
1469 | /* | |
1470 | * add this NVE descriptor to the list of NVEs in the NVE group | |
1471 | */ | |
1472 | if (!rfg->nves) | |
1473 | { | |
1474 | rfg->nves = list_new (); | |
1475 | } | |
1476 | listnode_add (rfg->nves, rfd); | |
1477 | ||
1478 | vnc_direct_bgp_add_nve (bgp, rfd); | |
1479 | vnc_zebra_add_nve (bgp, rfd); | |
1480 | ||
1481 | return 0; | |
1482 | } | |
1483 | ||
5ff06872 LB |
1484 | /* moved from rfapi_register */ |
1485 | int | |
1486 | rfapi_init_and_open( | |
1487 | struct bgp *bgp, | |
1488 | struct rfapi_descriptor *rfd, | |
1489 | struct rfapi_nve_group_cfg *rfg) | |
1490 | { | |
1491 | struct rfapi *h = bgp->rfapi; | |
1492 | char buf_vn[BUFSIZ]; | |
1493 | char buf_un[BUFSIZ]; | |
1494 | afi_t afi_vn, afi_un; | |
1495 | struct prefix pfx_un; | |
1496 | struct route_node *rn; | |
1497 | ||
1498 | ||
1499 | rfapi_time (&rfd->open_time); | |
1500 | ||
1501 | if (rfg->type == RFAPI_GROUP_CFG_VRF) | |
1502 | SET_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF); | |
1503 | ||
1504 | rfapiRfapiIpAddr2Str (&rfd->vn_addr, buf_vn, BUFSIZ); | |
1505 | rfapiRfapiIpAddr2Str (&rfd->un_addr, buf_un, BUFSIZ); | |
1506 | ||
1507 | vnc_zlog_debug_verbose ("%s: new RFD with VN=%s UN=%s cookie=%p", | |
1508 | __func__, buf_vn, buf_un, rfd->cookie); | |
1509 | ||
1510 | if (rfg->type != RFAPI_GROUP_CFG_VRF) /* unclear if needed for VRF */ | |
1511 | { | |
1512 | listnode_add (&h->descriptors, rfd); | |
1513 | if (h->descriptors.count > h->stat.max_descriptors) | |
1514 | { | |
1515 | h->stat.max_descriptors = h->descriptors.count; | |
1516 | } | |
1517 | ||
1518 | /* | |
1519 | * attach to UN radix tree | |
1520 | */ | |
1521 | afi_vn = family2afi (rfd->vn_addr.addr_family); | |
1522 | afi_un = family2afi (rfd->un_addr.addr_family); | |
1523 | assert (afi_vn && afi_un); | |
1524 | assert (!rfapiRaddr2Qprefix (&rfd->un_addr, &pfx_un)); | |
1525 | ||
1526 | rn = route_node_get (&(h->un[afi_un]), &pfx_un); | |
1527 | assert (rn); | |
1528 | rfd->next = rn->info; | |
1529 | rn->info = rfd; | |
1530 | rfd->un_node = rn; | |
1531 | } | |
1532 | return rfapi_open_inner (rfd, bgp, h, rfg); | |
1533 | } | |
1534 | ||
65efcfce LB |
1535 | struct rfapi_vn_option * |
1536 | rfapiVnOptionsDup (struct rfapi_vn_option *orig) | |
1537 | { | |
1538 | struct rfapi_vn_option *head = NULL; | |
1539 | struct rfapi_vn_option *tail = NULL; | |
1540 | struct rfapi_vn_option *vo = NULL; | |
1541 | ||
1542 | for (vo = orig; vo; vo = vo->next) | |
1543 | { | |
1544 | struct rfapi_vn_option *new; | |
1545 | ||
1546 | new = XCALLOC (MTYPE_RFAPI_VN_OPTION, sizeof (struct rfapi_vn_option)); | |
1547 | memcpy (new, vo, sizeof (struct rfapi_vn_option)); | |
1548 | new->next = NULL; | |
1549 | ||
1550 | if (tail) | |
1551 | { | |
1552 | tail->next = new; | |
1553 | } | |
1554 | else | |
1555 | { | |
1556 | head = tail = new; | |
1557 | } | |
1558 | } | |
1559 | return head; | |
1560 | } | |
1561 | ||
1562 | struct rfapi_un_option * | |
1563 | rfapiUnOptionsDup (struct rfapi_un_option *orig) | |
1564 | { | |
1565 | struct rfapi_un_option *head = NULL; | |
1566 | struct rfapi_un_option *tail = NULL; | |
1567 | struct rfapi_un_option *uo = NULL; | |
1568 | ||
1569 | for (uo = orig; uo; uo = uo->next) | |
1570 | { | |
1571 | struct rfapi_un_option *new; | |
1572 | ||
1573 | new = XCALLOC (MTYPE_RFAPI_UN_OPTION, sizeof (struct rfapi_un_option)); | |
1574 | memcpy (new, uo, sizeof (struct rfapi_un_option)); | |
1575 | new->next = NULL; | |
1576 | ||
1577 | if (tail) | |
1578 | { | |
1579 | tail->next = new; | |
1580 | } | |
1581 | else | |
1582 | { | |
1583 | head = tail = new; | |
1584 | } | |
1585 | } | |
1586 | return head; | |
1587 | } | |
1588 | ||
1589 | struct bgp_tea_options * | |
1590 | rfapiOptionsDup (struct bgp_tea_options *orig) | |
1591 | { | |
1592 | struct bgp_tea_options *head = NULL; | |
1593 | struct bgp_tea_options *tail = NULL; | |
1594 | struct bgp_tea_options *hop = NULL; | |
1595 | ||
1596 | for (hop = orig; hop; hop = hop->next) | |
1597 | { | |
1598 | struct bgp_tea_options *new; | |
1599 | ||
1600 | new = XCALLOC (MTYPE_BGP_TEA_OPTIONS, sizeof (struct bgp_tea_options)); | |
1601 | memcpy (new, hop, sizeof (struct bgp_tea_options)); | |
1602 | new->next = NULL; | |
1603 | if (hop->value) | |
1604 | { | |
1605 | new->value = XCALLOC (MTYPE_BGP_TEA_OPTIONS_VALUE, hop->length); | |
1606 | memcpy (new->value, hop->value, hop->length); | |
1607 | } | |
1608 | if (tail) | |
1609 | { | |
1610 | tail->next = new; | |
1611 | } | |
1612 | else | |
1613 | { | |
1614 | head = tail = new; | |
1615 | } | |
1616 | } | |
1617 | return head; | |
1618 | } | |
1619 | ||
1620 | void | |
1621 | rfapiFreeBgpTeaOptionChain (struct bgp_tea_options *p) | |
1622 | { | |
1623 | struct bgp_tea_options *next; | |
1624 | ||
1625 | while (p) | |
1626 | { | |
1627 | next = p->next; | |
1628 | ||
1629 | if (p->value) | |
1630 | { | |
1631 | XFREE (MTYPE_BGP_TEA_OPTIONS_VALUE, p->value); | |
1632 | p->value = NULL; | |
1633 | } | |
1634 | XFREE (MTYPE_BGP_TEA_OPTIONS, p); | |
1635 | ||
1636 | p = next; | |
1637 | } | |
1638 | } | |
1639 | ||
1640 | void | |
1641 | rfapiAdbFree (struct rfapi_adb *adb) | |
1642 | { | |
1643 | XFREE (MTYPE_RFAPI_ADB, adb); | |
1644 | } | |
1645 | ||
1646 | static int | |
1647 | rfapi_query_inner ( | |
1648 | void *handle, | |
1649 | struct rfapi_ip_addr *target, | |
1650 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
1651 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
1652 | { | |
1653 | afi_t afi; | |
1654 | struct prefix p; | |
1655 | struct prefix p_original; | |
1656 | struct route_node *rn; | |
1657 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
1658 | struct bgp *bgp = rfd->bgp; | |
1659 | struct rfapi_next_hop_entry *pNHE = NULL; | |
1660 | struct rfapi_ip_addr *self_vn_addr = NULL; | |
1661 | int eth_is_0 = 0; | |
1662 | int use_eth_resolution = 0; | |
1663 | struct rfapi_next_hop_entry *i_nhe; | |
1664 | ||
1665 | /* preemptive */ | |
1666 | if (!bgp) | |
1667 | { | |
a3b55c25 | 1668 | vnc_zlog_debug_verbose ("%s: No BGP instance, returning ENXIO", __func__); |
65efcfce LB |
1669 | return ENXIO; |
1670 | } | |
1671 | if (!bgp->rfapi) | |
1672 | { | |
a3b55c25 | 1673 | vnc_zlog_debug_verbose ("%s: No RFAPI instance, returning ENXIO", __func__); |
65efcfce LB |
1674 | return ENXIO; |
1675 | } | |
1676 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) | |
1677 | { | |
a3b55c25 | 1678 | vnc_zlog_debug_verbose ("%s: Called during calback, returning EDEADLK", __func__); |
65efcfce LB |
1679 | return EDEADLK; |
1680 | } | |
1681 | ||
1682 | if (!is_valid_rfd (rfd)) | |
1683 | { | |
a3b55c25 | 1684 | vnc_zlog_debug_verbose ("%s: invalid handle, returning EBADF", __func__); |
65efcfce LB |
1685 | return EBADF; |
1686 | } | |
1687 | ||
1688 | rfd->rsp_counter++; /* dedup: identify this generation */ | |
1689 | rfd->rsp_time = rfapi_time (NULL); /* response content dedup */ | |
1690 | rfd->ftd_last_allowed_time = | |
1691 | bgp_clock() - bgp->rfapi_cfg->rfp_cfg.ftd_advertisement_interval; | |
1692 | ||
1693 | if (l2o) | |
1694 | { | |
1695 | if (!memcmp (l2o->macaddr.octet, rfapi_ethaddr0.octet, ETHER_ADDR_LEN)) | |
1696 | { | |
1697 | eth_is_0 = 1; | |
1698 | } | |
1699 | /* per t/c Paul/Lou 151022 */ | |
1700 | if (!eth_is_0 || l2o->logical_net_id) | |
1701 | { | |
1702 | use_eth_resolution = 1; | |
1703 | } | |
1704 | } | |
1705 | ||
1706 | if (ppNextHopEntry) | |
1707 | *ppNextHopEntry = NULL; | |
1708 | ||
1709 | /* | |
1710 | * Save original target in prefix form. In case of L2-based queries, | |
1711 | * p_original will be modified to reflect the L2 target | |
1712 | */ | |
1713 | assert(!rfapiRaddr2Qprefix (target, &p_original)); | |
1714 | ||
1715 | if (bgp->rfapi_cfg->rfp_cfg.download_type == RFAPI_RFP_DOWNLOAD_FULL) | |
1716 | { | |
1717 | /* convert query to 0/0 when full-table download is enabled */ | |
1718 | memset ((char *) &p, 0, sizeof (p)); | |
1719 | p.family = target->addr_family; | |
1720 | } | |
1721 | else | |
1722 | { | |
1723 | p = p_original; | |
1724 | } | |
1725 | ||
1726 | { | |
1727 | char buf[BUFSIZ]; | |
2125ebfa | 1728 | char *s; |
65efcfce LB |
1729 | |
1730 | prefix2str (&p, buf, BUFSIZ); | |
1731 | buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ | |
a3b55c25 | 1732 | vnc_zlog_debug_verbose ("%s(rfd=%p, target=%s, ppNextHop=%p)", |
65efcfce | 1733 | __func__, rfd, buf, ppNextHopEntry); |
2125ebfa PZ |
1734 | |
1735 | s = ecommunity_ecom2str(rfd->import_table->rt_import_list, | |
f47195ae | 1736 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); |
2125ebfa PZ |
1737 | vnc_zlog_debug_verbose("%s rfd->import_table=%p, rfd->import_table->rt_import_list: %s", |
1738 | __func__, rfd->import_table, s); XFREE (MTYPE_ECOMMUNITY_STR, s); | |
65efcfce LB |
1739 | } |
1740 | ||
1741 | afi = family2afi (p.family); | |
1742 | assert (afi); | |
1743 | ||
1744 | if (CHECK_FLAG (bgp->rfapi_cfg->flags, BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP)) | |
1745 | { | |
1746 | self_vn_addr = &rfd->vn_addr; | |
1747 | } | |
1748 | ||
1749 | if (use_eth_resolution) | |
1750 | { | |
1751 | uint32_t logical_net_id = l2o->logical_net_id; | |
1752 | struct ecommunity *l2com; | |
1753 | ||
1754 | /* | |
1755 | * fix up p_original to contain L2 address | |
1756 | */ | |
1757 | rfapiL2o2Qprefix (l2o, &p_original); | |
1758 | ||
1759 | l2com = | |
1760 | bgp_rfapi_get_ecommunity_by_lni_label (bgp, 1, logical_net_id, | |
1761 | l2o->label); | |
1762 | if (l2com) | |
1763 | { | |
1764 | uint8_t *v = l2com->val; | |
1765 | logical_net_id = (v[5] << 16) + (v[6] << 8) + (v[7]); | |
1766 | } | |
1767 | /* | |
1768 | * Ethernet/L2-based lookup | |
1769 | * | |
1770 | * Always returns IT node corresponding to route | |
1771 | */ | |
1772 | ||
1773 | if (RFAPI_RFP_DOWNLOAD_FULL == bgp->rfapi_cfg->rfp_cfg.download_type) | |
1774 | { | |
1775 | eth_is_0 = 1; | |
1776 | } | |
1777 | ||
1778 | rn = rfapiMonitorEthAdd (bgp, | |
1779 | rfd, | |
1780 | (eth_is_0 ? &rfapi_ethaddr0 : &l2o->macaddr), | |
1781 | logical_net_id); | |
1782 | ||
1783 | if (eth_is_0) | |
1784 | { | |
1785 | struct rfapi_ip_prefix rprefix; | |
1786 | ||
1787 | memset (&rprefix, 0, sizeof (rprefix)); | |
1788 | rprefix.prefix.addr_family = target->addr_family; | |
1789 | if (target->addr_family == AF_INET) | |
1790 | { | |
1791 | rprefix.length = 32; | |
1792 | } | |
1793 | else | |
1794 | { | |
1795 | rprefix.length = 128; | |
1796 | } | |
1797 | ||
1798 | pNHE = rfapiEthRouteTable2NextHopList (logical_net_id, &rprefix, | |
1799 | rfd->response_lifetime, self_vn_addr, rfd->rib[afi], &p_original); | |
1800 | goto done; | |
1801 | } | |
1802 | ||
1803 | } | |
1804 | else | |
1805 | { | |
1806 | ||
1807 | /* | |
1808 | * IP-based lookup | |
1809 | */ | |
1810 | ||
1811 | rn = rfapiMonitorAdd (bgp, rfd, &p); | |
1812 | ||
1813 | /* | |
1814 | * If target address is 0, this request is special: means to | |
1815 | * return ALL routes in the table | |
1816 | * | |
1817 | * Monitors for All-Routes queries get put on a special list, | |
1818 | * not in the VPN tree | |
1819 | */ | |
1820 | if (RFAPI_0_PREFIX (&p)) | |
1821 | { | |
1822 | ||
a3b55c25 | 1823 | vnc_zlog_debug_verbose ("%s: 0-prefix", __func__); |
65efcfce LB |
1824 | |
1825 | /* | |
1826 | * Generate nexthop list for caller | |
1827 | */ | |
1828 | pNHE = rfapiRouteTable2NextHopList ( | |
1829 | rfd->import_table->imported_vpn[afi], rfd->response_lifetime, | |
1830 | self_vn_addr, rfd->rib[afi], &p_original); | |
1831 | goto done; | |
1832 | } | |
1833 | ||
1834 | if (rn) | |
1835 | { | |
1836 | route_lock_node (rn); /* so we can unlock below */ | |
1837 | } | |
1838 | else | |
1839 | { | |
1840 | /* | |
1841 | * returns locked node. Don't unlock yet because the unlock | |
1842 | * might free it before we're done with it. This situation | |
1843 | * could occur when rfapiMonitorGetAttachNode() returns a | |
1844 | * newly-created default node. | |
1845 | */ | |
1846 | rn = rfapiMonitorGetAttachNode (rfd, &p); | |
1847 | } | |
1848 | } | |
1849 | ||
1850 | assert (rn); | |
1851 | if (!rn->info) | |
1852 | { | |
1853 | route_unlock_node (rn); | |
a3b55c25 | 1854 | vnc_zlog_debug_verbose ("%s: VPN route not found, returning ENOENT", __func__); |
65efcfce LB |
1855 | return ENOENT; |
1856 | } | |
1857 | ||
1858 | if (VNC_DEBUG(RFAPI_QUERY)) | |
1859 | { | |
1860 | rfapiShowImportTable (NULL, "query", rfd->import_table->imported_vpn[afi], | |
1861 | 1); | |
1862 | } | |
1863 | ||
1864 | if (use_eth_resolution) | |
1865 | { | |
1866 | ||
1867 | struct rfapi_ip_prefix rprefix; | |
1868 | ||
1869 | memset (&rprefix, 0, sizeof (rprefix)); | |
1870 | rprefix.prefix.addr_family = target->addr_family; | |
1871 | if (target->addr_family == AF_INET) | |
1872 | { | |
1873 | rprefix.length = 32; | |
1874 | } | |
1875 | else | |
1876 | { | |
1877 | rprefix.length = 128; | |
1878 | } | |
1879 | ||
1880 | pNHE = rfapiEthRouteNode2NextHopList (rn, &rprefix, | |
1881 | rfd->response_lifetime, self_vn_addr, rfd->rib[afi], &p_original); | |
1882 | ||
1883 | ||
1884 | } | |
1885 | else | |
1886 | { | |
1887 | /* | |
1888 | * Generate answer to query | |
1889 | */ | |
1890 | pNHE = rfapiRouteNode2NextHopList(rn, rfd->response_lifetime, | |
1891 | self_vn_addr, rfd->rib[afi], &p_original); | |
1892 | } | |
1893 | ||
1894 | route_unlock_node (rn); | |
1895 | ||
1896 | done: | |
1897 | if (ppNextHopEntry) | |
1898 | { | |
1899 | /* only count if caller gets it */ | |
1900 | ++bgp->rfapi->response_immediate_count; | |
1901 | } | |
1902 | ||
1903 | if (!pNHE) | |
1904 | { | |
a3b55c25 | 1905 | vnc_zlog_debug_verbose ("%s: NO NHEs, returning ENOENT", __func__); |
65efcfce LB |
1906 | return ENOENT; |
1907 | } | |
1908 | ||
1909 | /* | |
1910 | * count nexthops for statistics | |
1911 | */ | |
1912 | for (i_nhe = pNHE; i_nhe; i_nhe = i_nhe->next) | |
1913 | { | |
1914 | ++rfd->stat_count_nh_reachable; | |
1915 | } | |
1916 | ||
1917 | if (ppNextHopEntry) | |
1918 | { | |
1919 | *ppNextHopEntry = pNHE; | |
1920 | } | |
1921 | else | |
1922 | { | |
1923 | rfapi_free_next_hop_list (pNHE); | |
1924 | } | |
1925 | ||
a3b55c25 | 1926 | vnc_zlog_debug_verbose ("%s: success", __func__); |
65efcfce LB |
1927 | return 0; |
1928 | } | |
1929 | ||
1930 | /* | |
1931 | * support on-the-fly reassignment of an already-open nve to a new | |
1932 | * nve-group in the event that its original nve-group is | |
1933 | * administratively deleted. | |
1934 | */ | |
1935 | static int | |
1936 | rfapi_open_rfd (struct rfapi_descriptor *rfd, struct bgp *bgp) | |
1937 | { | |
1938 | struct prefix pfx_vn; | |
1939 | struct prefix pfx_un; | |
1940 | struct rfapi_nve_group_cfg *rfg; | |
1941 | struct rfapi *h; | |
1942 | struct rfapi_cfg *hc; | |
65efcfce LB |
1943 | int rc; |
1944 | ||
1945 | h = bgp->rfapi; | |
1946 | if (!h) | |
1947 | return ENXIO; | |
1948 | ||
1949 | hc = bgp->rfapi_cfg; | |
1950 | if (!hc) | |
1951 | return ENXIO; | |
1952 | ||
1953 | rc = rfapiRaddr2Qprefix (&rfd->vn_addr, &pfx_vn); | |
1954 | assert (!rc); | |
1955 | ||
1956 | rc = rfapiRaddr2Qprefix (&rfd->un_addr, &pfx_un); | |
1957 | assert (!rc); | |
1958 | ||
1959 | /* | |
1960 | * Find the matching nve group config block | |
1961 | */ | |
1962 | rfg = bgp_rfapi_cfg_match_group (hc, &pfx_vn, &pfx_un); | |
1963 | if (!rfg) | |
1964 | { | |
1965 | return ENOENT; | |
1966 | } | |
1967 | ||
1968 | /* | |
1969 | * check nve group config block for required values | |
1970 | */ | |
1971 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) | |
1972 | { | |
1973 | ||
1974 | return ENOMSG; | |
1975 | } | |
1976 | ||
1977 | rc = rfapi_open_inner (rfd, bgp, h, rfg); | |
1978 | if (rc) | |
1979 | { | |
1980 | return rc; | |
1981 | } | |
1982 | ||
65efcfce LB |
1983 | /* |
1984 | * re-advertise registered routes, this time as part of new NVE-group | |
1985 | */ | |
1986 | rfapiApReadvertiseAll (bgp, rfd); | |
1987 | ||
1988 | /* | |
1989 | * re-attach callbacks to import table | |
1990 | */ | |
1991 | if (!(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_CALLBACK_DISABLE)) | |
1992 | { | |
1993 | rfapiMonitorAttachImportHd (rfd); | |
1994 | } | |
1995 | ||
1996 | return 0; | |
1997 | } | |
1998 | ||
1999 | /*------------------------------------------ | |
2000 | * rfapi_open | |
2001 | * | |
2002 | * This function initializes a NVE record and associates it with | |
2003 | * the specified VN and underlay network addresses | |
2004 | * | |
2005 | * input: | |
2006 | * rfp_start_val value returned by rfp_start | |
2007 | * vn NVE virtual network address | |
2008 | * | |
2009 | * un NVE underlay network address | |
2010 | * | |
2011 | * default_options Default options to use on registrations. | |
2012 | * For now only tunnel type is supported. | |
2013 | * May be overridden per-prefix in rfapi_register(). | |
2014 | * Caller owns (rfapi_open() does not free) | |
2015 | * | |
2016 | * response_cb Pointer to next hop list update callback function or | |
2017 | * NULL when no callbacks are desired. | |
2018 | * | |
2019 | * userdata Passed to subsequent response_cb invocations. | |
2020 | * | |
2021 | * output: | |
2022 | * response_lifetime The length of time that responses sent to this | |
2023 | * NVE are valid. | |
2024 | * | |
2025 | * pHandle pointer to location to store rfapi handle. The | |
2026 | * handle must be passed on subsequent rfapi_ calls. | |
2027 | * | |
2028 | * | |
2029 | * return value: | |
2030 | * 0 Success | |
2031 | * EEXIST NVE with this {vn,un} already open | |
2032 | * ENOENT No matching nve group config | |
2033 | * ENOMSG Matched nve group config was incomplete | |
2034 | * ENXIO BGP or VNC not configured | |
2035 | * EAFNOSUPPORT Matched nve group specifies auto-assignment of RD, | |
2036 | * but underlay network address is not IPv4 | |
2037 | * EDEADLK Called from within a callback procedure | |
2038 | *------------------------------------------*/ | |
2039 | int | |
2040 | rfapi_open ( | |
2041 | void *rfp_start_val, | |
2042 | struct rfapi_ip_addr *vn, | |
2043 | struct rfapi_ip_addr *un, | |
2044 | struct rfapi_un_option *default_options, | |
2045 | uint32_t *response_lifetime, | |
2046 | void *userdata, /* callback cookie */ | |
2047 | rfapi_handle *pHandle) | |
2048 | { | |
2049 | struct bgp *bgp; | |
2050 | struct rfapi *h; | |
2051 | struct rfapi_descriptor *rfd; | |
2052 | struct rfapi_cfg *hc; | |
2053 | struct rfapi_nve_group_cfg *rfg; | |
2054 | ||
2055 | struct prefix pfx_vn; | |
2056 | struct prefix pfx_un; | |
2057 | ||
65efcfce LB |
2058 | int rc; |
2059 | rfapi_handle hh = NULL; | |
2060 | int reusing_provisional = 0; | |
2061 | ||
65efcfce LB |
2062 | { |
2063 | char buf[2][INET_ADDRSTRLEN]; | |
a3b55c25 | 2064 | vnc_zlog_debug_verbose ("%s: VN=%s UN=%s", __func__, |
65efcfce LB |
2065 | rfapiRfapiIpAddr2Str (vn, buf[0], INET_ADDRSTRLEN), |
2066 | rfapiRfapiIpAddr2Str (un, buf[1], INET_ADDRSTRLEN)); | |
2067 | } | |
2068 | ||
2069 | assert (pHandle); | |
2070 | *pHandle = NULL; | |
2071 | ||
2072 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
2073 | if (!bgp) | |
2074 | return ENXIO; | |
2075 | ||
2076 | h = bgp->rfapi; | |
2077 | if (!h) | |
2078 | return ENXIO; | |
2079 | ||
2080 | hc = bgp->rfapi_cfg; | |
2081 | if (!hc) | |
2082 | return ENXIO; | |
2083 | ||
2084 | if (h->flags & RFAPI_INCALLBACK) | |
2085 | return EDEADLK; | |
2086 | ||
2087 | rc = rfapiRaddr2Qprefix (vn, &pfx_vn); | |
2088 | assert (!rc); | |
2089 | ||
2090 | rc = rfapiRaddr2Qprefix (un, &pfx_un); | |
2091 | assert (!rc); | |
2092 | ||
2093 | /* | |
2094 | * already have a descriptor with VN and UN? | |
2095 | */ | |
2096 | if (!rfapi_find_handle (bgp, vn, un, &hh)) | |
2097 | { | |
2098 | /* | |
2099 | * we might have set up a handle for static routes before | |
2100 | * this NVE was opened. In that case, reuse the handle | |
2101 | */ | |
2102 | rfd = hh; | |
2103 | if (!CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_PROVISIONAL)) | |
2104 | { | |
2105 | return EEXIST; | |
2106 | } | |
2107 | ||
2108 | /* | |
2109 | * reuse provisional descriptor | |
2110 | * hh is not NULL | |
2111 | */ | |
2112 | reusing_provisional = 1; | |
2113 | } | |
2114 | ||
2115 | /* | |
2116 | * Find the matching nve group config block | |
2117 | */ | |
2118 | rfg = bgp_rfapi_cfg_match_group (hc, &pfx_vn, &pfx_un); | |
2119 | if (!rfg) | |
2120 | { | |
2121 | ++h->stat.count_unknown_nves; | |
2122 | { | |
2123 | char buf[2][INET_ADDRSTRLEN]; | |
2124 | zlog_notice ("%s: no matching group VN=%s UN=%s", __func__, | |
2125 | rfapiRfapiIpAddr2Str (vn, buf[0], INET_ADDRSTRLEN), | |
2126 | rfapiRfapiIpAddr2Str (un, buf[1], INET_ADDRSTRLEN)); | |
2127 | } | |
2128 | return ENOENT; | |
2129 | } | |
2130 | ||
2131 | /* | |
2132 | * check nve group config block for required values | |
2133 | */ | |
2134 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) | |
2135 | { | |
2136 | ||
2137 | ++h->stat.count_unknown_nves; | |
2138 | return ENOMSG; | |
2139 | } | |
2140 | ||
2141 | /* | |
2142 | * If group config specifies auto-rd assignment, check that | |
2143 | * VN address is IPv4|v6 so we don't fail in rfapi_open_inner(). | |
2144 | * Check here so we don't need to unwind memory allocations, &c. | |
2145 | */ | |
2146 | if ((rfg->rd.family == AF_UNIX) && (vn->addr_family != AF_INET) | |
2147 | && (vn->addr_family != AF_INET6)) | |
2148 | { | |
2149 | return EAFNOSUPPORT; | |
2150 | } | |
2151 | ||
2152 | if (hh) | |
2153 | { | |
2154 | /* | |
2155 | * reusing provisional rfd | |
2156 | */ | |
2157 | rfd = hh; | |
2158 | } | |
2159 | else | |
2160 | { | |
2161 | rfd = XCALLOC (MTYPE_RFAPI_DESC, sizeof (struct rfapi_descriptor)); | |
2162 | } | |
2163 | assert (rfd); | |
2164 | ||
2165 | rfd->bgp = bgp; | |
2166 | if (default_options) | |
2167 | { | |
2168 | struct rfapi_un_option *p; | |
2169 | ||
2170 | for (p = default_options; p; p = p->next) | |
2171 | { | |
2172 | if ((RFAPI_UN_OPTION_TYPE_PROVISIONAL == p->type)) | |
2173 | { | |
2174 | rfd->flags |= RFAPI_HD_FLAG_PROVISIONAL; | |
2175 | } | |
2176 | if ((RFAPI_UN_OPTION_TYPE_TUNNELTYPE == p->type)) | |
2177 | { | |
2178 | rfd->default_tunneltype_option = p->v.tunnel; | |
2179 | } | |
2180 | } | |
2181 | } | |
2182 | ||
2183 | /* | |
2184 | * Fill in caller fields | |
2185 | */ | |
2186 | rfd->vn_addr = *vn; | |
2187 | rfd->un_addr = *un; | |
2188 | rfd->cookie = userdata; | |
2189 | ||
2190 | if (!reusing_provisional) | |
2191 | { | |
5ff06872 | 2192 | rc = rfapi_init_and_open(bgp, rfd, rfg); |
65efcfce LB |
2193 | /* |
2194 | * This can fail only if the VN address is IPv6 and the group | |
2195 | * specified auto-assignment of RDs, which only works for v4, | |
2196 | * and the check above should catch it. | |
2197 | * | |
2198 | * Another failure possibility is that we were called | |
2199 | * during an rfapi callback. Also checked above. | |
2200 | */ | |
2201 | assert (!rc); | |
2202 | } | |
2203 | ||
2204 | if (response_lifetime) | |
2205 | *response_lifetime = rfd->response_lifetime; | |
2206 | *pHandle = rfd; | |
2207 | return 0; | |
2208 | } | |
2209 | ||
2210 | /* | |
2211 | * For use with debug functions | |
2212 | */ | |
2213 | static int | |
2214 | rfapi_set_response_cb (struct rfapi_descriptor *rfd, | |
2215 | rfapi_response_cb_t * response_cb) | |
2216 | { | |
2217 | if (!is_valid_rfd (rfd)) | |
2218 | return EBADF; | |
2219 | rfd->response_cb = response_cb; | |
2220 | return 0; | |
2221 | } | |
2222 | ||
2223 | /* | |
2224 | * rfapi_close_inner | |
2225 | * | |
2226 | * Does almost all the work of rfapi_close, except: | |
2227 | * 1. preserves the descriptor (doesn't free it) | |
2228 | * 2. preserves the prefix query list (i.e., rfd->mon list) | |
2229 | * 3. preserves the advertised prefix list (rfd->advertised) | |
2230 | * 4. preserves the rib and rib_pending tables | |
2231 | * | |
2232 | * The purpose of organizing it this way is to support on-the-fly | |
2233 | * reassignment of an already-open nve to a new nve-group in the | |
2234 | * event that its original nve-group is administratively deleted. | |
2235 | */ | |
2236 | static int | |
2237 | rfapi_close_inner (struct rfapi_descriptor *rfd, struct bgp *bgp) | |
2238 | { | |
2239 | int rc; | |
2240 | struct prefix pfx_vn; | |
2241 | struct prefix_rd prd; /* currently always 0 for VN->UN */ | |
2242 | ||
2243 | if (!is_valid_rfd (rfd)) | |
2244 | return EBADF; | |
2245 | ||
2246 | rc = rfapiRaddr2Qprefix (&rfd->vn_addr, &pfx_vn); | |
2247 | assert (!rc); /* should never have bad AF in stored vn address */ | |
2248 | ||
2249 | /* | |
2250 | * update exported routes to reflect disappearance of this NVE as nexthop | |
2251 | */ | |
2252 | vnc_direct_bgp_del_nve (bgp, rfd); | |
2253 | vnc_zebra_del_nve (bgp, rfd); | |
2254 | ||
2255 | /* | |
2256 | * unlink this HD's monitors from import table | |
2257 | */ | |
2258 | rfapiMonitorDetachImportHd (rfd); | |
2259 | ||
2260 | /* | |
2261 | * Unlink from Import Table | |
2262 | * NB rfd->import_table will be NULL if we are closing a stale descriptor | |
2263 | */ | |
2264 | if (rfd->import_table) | |
2265 | rfapiImportTableRefDelByIt (bgp, rfd->import_table); | |
2266 | rfd->import_table = NULL; | |
2267 | ||
2268 | /* | |
2269 | * Construct route distinguisher | |
2270 | */ | |
2271 | memset (&prd, 0, sizeof (prd)); | |
2272 | prd = rfd->rd; | |
2273 | prd.family = AF_UNSPEC; | |
2274 | prd.prefixlen = 64; | |
2275 | ||
2276 | /* | |
2277 | * withdraw tunnel | |
2278 | */ | |
2279 | del_vnc_route ( | |
2280 | rfd, | |
2281 | rfd->peer, | |
2282 | bgp, | |
2283 | SAFI_ENCAP, | |
2284 | &pfx_vn, /* prefix being advertised */ | |
2285 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2286 | ZEBRA_ROUTE_BGP, | |
2287 | BGP_ROUTE_RFP, | |
2288 | NULL, | |
2289 | 0); /* no kill */ | |
2290 | ||
2291 | /* | |
2292 | * Construct route distinguisher for VPN routes | |
2293 | */ | |
2294 | prd = rfd->rd; | |
2295 | prd.family = AF_UNSPEC; | |
2296 | prd.prefixlen = 64; | |
2297 | ||
2298 | /* | |
2299 | * find all VPN routes associated with this rfd and delete them, too | |
2300 | */ | |
2301 | rfapiApWithdrawAll (bgp, rfd); | |
2302 | ||
2303 | /* | |
2304 | * remove this nve descriptor from the list of nves | |
2305 | * associated with the nve group | |
2306 | */ | |
2307 | if (rfd->rfg) | |
2308 | { | |
2309 | listnode_delete (rfd->rfg->nves, rfd); | |
2310 | rfd->rfg = NULL; /* XXX mark as orphaned/stale */ | |
2311 | } | |
2312 | ||
2313 | if (rfd->rt_export_list) | |
2314 | ecommunity_free (&rfd->rt_export_list); | |
2315 | rfd->rt_export_list = NULL; | |
2316 | ||
2317 | /* | |
2318 | * free peer structure (possibly delayed until its | |
2319 | * refcount reaches zero) | |
2320 | */ | |
2321 | if (rfd->peer) | |
2322 | { | |
a3b55c25 | 2323 | vnc_zlog_debug_verbose ("%s: calling peer_delete(%p), #%d", |
65efcfce LB |
2324 | __func__, rfd->peer, rfd->peer->lock); |
2325 | peer_delete (rfd->peer); | |
2326 | } | |
2327 | rfd->peer = NULL; | |
2328 | ||
2329 | return 0; | |
2330 | } | |
2331 | ||
2332 | int | |
2333 | rfapi_close (void *handle) | |
2334 | { | |
2335 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
2336 | int rc; | |
2337 | struct route_node *node; | |
2338 | struct bgp *bgp; | |
2339 | struct rfapi *h; | |
65efcfce | 2340 | |
a3b55c25 | 2341 | vnc_zlog_debug_verbose ("%s: rfd=%p", __func__, rfd); |
65efcfce LB |
2342 | |
2343 | #if RFAPI_WHO_IS_CALLING_ME | |
2344 | #ifdef HAVE_GLIBC_BACKTRACE | |
2345 | #define RFAPI_DEBUG_BACKTRACE_NENTRIES 5 | |
2346 | { | |
2347 | void *buf[RFAPI_DEBUG_BACKTRACE_NENTRIES]; | |
2348 | char **syms; | |
2349 | int i; | |
2350 | size_t size; | |
2351 | ||
2352 | size = backtrace (buf, RFAPI_DEBUG_BACKTRACE_NENTRIES); | |
2353 | syms = backtrace_symbols (buf, size); | |
2354 | for (i = 0; i < size && i < RFAPI_DEBUG_BACKTRACE_NENTRIES; ++i) | |
2355 | { | |
a3b55c25 | 2356 | vnc_zlog_debug_verbose ("backtrace[%2d]: %s", i, syms[i]); |
65efcfce LB |
2357 | } |
2358 | free (syms); | |
2359 | } | |
2360 | #endif | |
2361 | #endif | |
2362 | ||
2363 | bgp = rfd->bgp; | |
2364 | if (!bgp) | |
2365 | return ENXIO; | |
2366 | ||
2367 | h = bgp->rfapi; | |
2368 | if (!h) | |
2369 | return ENXIO; | |
2370 | ||
2371 | if (!is_valid_rfd (rfd)) | |
2372 | return EBADF; | |
2373 | ||
2374 | if (h->flags & RFAPI_INCALLBACK) | |
2375 | { | |
2376 | /* | |
2377 | * Queue these close requests for processing after callback | |
2378 | * is finished | |
2379 | */ | |
2380 | if (!CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) | |
2381 | { | |
2382 | work_queue_add (h->deferred_close_q, handle); | |
a3b55c25 | 2383 | vnc_zlog_debug_verbose ("%s: added handle %p to deferred close queue", |
65efcfce LB |
2384 | __func__, handle); |
2385 | } | |
2386 | return 0; | |
2387 | } | |
2388 | ||
65efcfce LB |
2389 | if (CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) |
2390 | { | |
2391 | ||
a3b55c25 | 2392 | vnc_zlog_debug_verbose ("%s administrative close rfd=%p", __func__, rfd); |
65efcfce LB |
2393 | |
2394 | if (h && h->rfp_methods.close_cb) | |
2395 | { | |
a3b55c25 | 2396 | vnc_zlog_debug_verbose ("%s calling close callback rfd=%p", __func__, rfd); |
65efcfce LB |
2397 | |
2398 | /* | |
2399 | * call the callback fairly early so that it can still lookup un/vn | |
2400 | * from handle, etc. | |
2401 | * | |
2402 | * NB RFAPI_INCALLBACK is tested above, so if we reach this point | |
2403 | * we are not already in the context of a callback. | |
2404 | */ | |
2405 | h->flags |= RFAPI_INCALLBACK; | |
2406 | (*h->rfp_methods.close_cb) (handle, EIDRM); | |
2407 | h->flags &= ~RFAPI_INCALLBACK; | |
2408 | } | |
2409 | } | |
2410 | ||
2411 | if (rfd->rfg) | |
2412 | { | |
2413 | /* | |
2414 | * Orphaned descriptors have already done this part, so do | |
2415 | * only for non-orphaned descriptors. | |
2416 | */ | |
2417 | if ((rc = rfapi_close_inner (rfd, bgp))) | |
2418 | return rc; | |
2419 | } | |
2420 | ||
2421 | /* | |
2422 | * Remove descriptor from UN index | |
2423 | * (remove from chain at node) | |
2424 | */ | |
2425 | rc = rfapi_find_node (bgp, &rfd->vn_addr, &rfd->un_addr, &node); | |
2426 | if (!rc) | |
2427 | { | |
2428 | struct rfapi_descriptor *hh; | |
2429 | ||
2430 | if (node->info == rfd) | |
2431 | { | |
2432 | node->info = rfd->next; | |
2433 | } | |
2434 | else | |
2435 | { | |
2436 | ||
2437 | for (hh = node->info; hh; hh = hh->next) | |
2438 | { | |
2439 | if (hh->next == rfd) | |
2440 | { | |
2441 | hh->next = rfd->next; | |
2442 | break; | |
2443 | } | |
2444 | } | |
2445 | } | |
2446 | route_unlock_node (node); | |
2447 | } | |
2448 | ||
2449 | /* | |
2450 | * remove from descriptor list | |
2451 | */ | |
2452 | listnode_delete (&h->descriptors, rfd); | |
2453 | ||
2454 | /* | |
2455 | * Delete monitor list items and free monitor structures | |
2456 | */ | |
2457 | (void) rfapiMonitorDelHd (rfd); | |
2458 | ||
2459 | /* | |
2460 | * release advertised prefix data | |
2461 | */ | |
2462 | rfapiApRelease (&rfd->advertised); | |
2463 | ||
2464 | /* | |
2465 | * Release RFP callback RIB | |
2466 | */ | |
2467 | rfapiRibFree (rfd); | |
2468 | ||
2469 | /* | |
2470 | * free descriptor | |
2471 | */ | |
2472 | memset (rfd, 0, sizeof (struct rfapi_descriptor)); | |
2473 | XFREE (MTYPE_RFAPI_DESC, rfd); | |
2474 | ||
2475 | return 0; | |
2476 | } | |
2477 | ||
2478 | /* | |
2479 | * Reopen a nve descriptor. If the descriptor's NVE-group | |
2480 | * does not exist (e.g., if it has been administratively removed), | |
2481 | * reassignment to a new NVE-group is attempted. | |
2482 | * | |
2483 | * If NVE-group reassignment fails, the descriptor becomes "stale" | |
2484 | * (rfd->rfg == NULL implies "stale:). The only permissible API operation | |
2485 | * on a stale descriptor is rfapi_close(). Any other rfapi_* API operation | |
2486 | * on the descriptor will return ESTALE. | |
2487 | * | |
2488 | * Reopening a descriptor is a potentially expensive operation, because | |
2489 | * it involves withdrawing any routes advertised by the NVE, withdrawing | |
2490 | * the NVE's route queries, and then re-adding them all after a new | |
2491 | * NVE-group is assigned. There are also possible route-export affects | |
2492 | * caused by deleting and then adding the NVE: advertised prefixes | |
2493 | * and nexthop lists for exported routes can turn over. | |
2494 | */ | |
2495 | int | |
2496 | rfapi_reopen (struct rfapi_descriptor *rfd, struct bgp *bgp) | |
2497 | { | |
2498 | struct rfapi *h; | |
65efcfce LB |
2499 | int rc; |
2500 | ||
2501 | if ((rc = rfapi_close_inner (rfd, bgp))) | |
2502 | { | |
2503 | return rc; | |
2504 | } | |
2505 | if ((rc = rfapi_open_rfd (rfd, bgp))) | |
2506 | { | |
2507 | ||
2508 | h = bgp->rfapi; | |
65efcfce LB |
2509 | |
2510 | assert (!CHECK_FLAG (h->flags, RFAPI_INCALLBACK)); | |
2511 | ||
2512 | if (CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY) && | |
2513 | h && h->rfp_methods.close_cb) | |
2514 | { | |
2515 | ||
2516 | /* | |
2517 | * NB RFAPI_INCALLBACK is tested above, so if we reach this point | |
2518 | * we are not already in the context of a callback. | |
2519 | */ | |
2520 | h->flags |= RFAPI_INCALLBACK; | |
2521 | (*h->rfp_methods.close_cb) ((rfapi_handle) rfd, ESTALE); | |
2522 | h->flags &= ~RFAPI_INCALLBACK; | |
2523 | } | |
2524 | return rc; | |
2525 | } | |
2526 | return 0; | |
2527 | } | |
2528 | ||
2529 | /*********************************************************************** | |
2530 | * NVE Routes | |
2531 | ***********************************************************************/ | |
2532 | /* | |
2533 | * Announce reachability to this prefix via the NVE | |
2534 | */ | |
2535 | int | |
2536 | rfapi_register ( | |
2537 | void *handle, | |
2538 | struct rfapi_ip_prefix *prefix, | |
2539 | uint32_t lifetime, /* host byte order */ | |
2540 | struct rfapi_un_option *options_un, | |
2541 | struct rfapi_vn_option *options_vn, | |
2542 | rfapi_register_action action) | |
2543 | { | |
2544 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
2545 | struct bgp *bgp; | |
2546 | struct prefix p; | |
2547 | struct prefix *pfx_ip = NULL; | |
2548 | struct prefix_rd prd; | |
2549 | int afi; | |
2550 | struct prefix pfx_mac_buf; | |
2551 | struct prefix *pfx_mac = NULL; | |
2552 | struct prefix pfx_vn_buf; | |
2553 | const char *action_str = NULL; | |
2554 | uint32_t *label = NULL; | |
2555 | struct rfapi_vn_option *vo; | |
2556 | struct rfapi_l2address_option *l2o = NULL; | |
65efcfce LB |
2557 | struct prefix_rd *prd_override = NULL; |
2558 | ||
2559 | switch (action) | |
2560 | { | |
2561 | case RFAPI_REGISTER_ADD: | |
2562 | action_str = "add"; | |
2563 | break; | |
2564 | case RFAPI_REGISTER_WITHDRAW: | |
2565 | action_str = "withdraw"; | |
2566 | break; | |
2567 | case RFAPI_REGISTER_KILL: | |
2568 | action_str = "kill"; | |
2569 | break; | |
2570 | default: | |
2571 | assert (0); | |
2572 | break; | |
2573 | } | |
2574 | ||
2575 | /* | |
2576 | * Inspect VN options | |
2577 | */ | |
2578 | for (vo = options_vn; vo; vo = vo->next) | |
2579 | { | |
2580 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) | |
2581 | { | |
2582 | l2o = &vo->v.l2addr; | |
2583 | } | |
65efcfce LB |
2584 | if (RFAPI_VN_OPTION_TYPE_INTERNAL_RD == vo->type) |
2585 | { | |
2586 | prd_override = &vo->v.internal_rd; | |
2587 | } | |
2588 | } | |
2589 | ||
2590 | /********************************************************************* | |
2591 | * advertise prefix | |
2592 | *********************************************************************/ | |
2593 | ||
2594 | /* | |
2595 | * set <p> based on <prefix> | |
2596 | */ | |
2597 | assert (!rfapiRprefix2Qprefix (prefix, &p)); | |
2598 | ||
2599 | afi = family2afi (prefix->prefix.addr_family); | |
2600 | assert (afi); | |
2601 | ||
2602 | ||
2603 | { | |
2604 | char buf[BUFSIZ]; | |
2605 | ||
2606 | prefix2str (&p, buf, BUFSIZ); | |
2607 | buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ | |
a3b55c25 | 2608 | vnc_zlog_debug_verbose |
65efcfce LB |
2609 | ("%s(rfd=%p, pfx=%s, lifetime=%d, opts_un=%p, opts_vn=%p, action=%s)", |
2610 | __func__, rfd, buf, lifetime, options_un, options_vn, action_str); | |
2611 | } | |
2612 | ||
2613 | /* | |
2614 | * These tests come after the prefix conversion so that we can | |
2615 | * print the prefix in a debug message before failing | |
2616 | */ | |
2617 | ||
2618 | bgp = rfd->bgp; | |
2619 | if (!bgp) | |
2620 | { | |
a3b55c25 | 2621 | vnc_zlog_debug_verbose ("%s: no BGP instance: returning ENXIO", __func__); |
65efcfce LB |
2622 | return ENXIO; |
2623 | } | |
2624 | if (!bgp->rfapi) | |
2625 | { | |
a3b55c25 | 2626 | vnc_zlog_debug_verbose ("%s: no RFAPI instance: returning ENXIO", __func__); |
65efcfce LB |
2627 | return ENXIO; |
2628 | } | |
2629 | if (!rfd->rfg) | |
2630 | { | |
2631 | if (RFAPI_REGISTER_ADD == action) | |
2632 | { | |
2633 | ++bgp->rfapi->stat.count_registrations_failed; | |
2634 | } | |
a3b55c25 | 2635 | vnc_zlog_debug_verbose ("%s: rfd=%p, no RF GRP instance: returning ESTALE", |
65efcfce LB |
2636 | __func__, rfd); |
2637 | return ESTALE; | |
2638 | } | |
2639 | ||
2640 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) | |
2641 | { | |
2642 | if (RFAPI_REGISTER_ADD == action) | |
2643 | { | |
2644 | ++bgp->rfapi->stat.count_registrations_failed; | |
2645 | } | |
a3b55c25 | 2646 | vnc_zlog_debug_verbose ("%s: in callback: returning EDEADLK", __func__); |
65efcfce LB |
2647 | return EDEADLK; |
2648 | } | |
2649 | ||
2650 | if (!is_valid_rfd (rfd)) | |
2651 | { | |
2652 | if (RFAPI_REGISTER_ADD == action) | |
2653 | { | |
2654 | ++bgp->rfapi->stat.count_registrations_failed; | |
2655 | } | |
a3b55c25 | 2656 | vnc_zlog_debug_verbose ("%s: invalid handle: returning EBADF", __func__); |
65efcfce LB |
2657 | return EBADF; |
2658 | } | |
2659 | ||
2660 | /* | |
2661 | * Is there a MAC address in this registration? | |
2662 | */ | |
2663 | if (l2o && !RFAPI_0_ETHERADDR (&l2o->macaddr)) | |
2664 | { | |
2665 | rfapiL2o2Qprefix (l2o, &pfx_mac_buf); | |
2666 | pfx_mac = &pfx_mac_buf; | |
2667 | } | |
2668 | ||
2669 | /* | |
2670 | * Is there an IP prefix in this registration? | |
2671 | */ | |
2672 | if (!(RFAPI_0_PREFIX (&p) && RFAPI_HOST_PREFIX (&p))) | |
2673 | { | |
2674 | pfx_ip = &p; | |
2675 | } | |
2676 | else | |
2677 | { | |
2678 | if (!pfx_mac) | |
2679 | { | |
a3b55c25 | 2680 | vnc_zlog_debug_verbose ("%s: missing mac addr that is required for host 0 pfx", |
65efcfce LB |
2681 | __func__); |
2682 | if (RFAPI_REGISTER_ADD == action) | |
2683 | { | |
2684 | ++bgp->rfapi->stat.count_registrations_failed; | |
2685 | } | |
2686 | return EINVAL; | |
2687 | } | |
2688 | if (rfapiRaddr2Qprefix (&rfd->vn_addr, &pfx_vn_buf)) | |
2689 | { | |
a3b55c25 | 2690 | vnc_zlog_debug_verbose ("%s: handle has bad vn_addr: returning EBADF", |
65efcfce LB |
2691 | __func__); |
2692 | if (RFAPI_REGISTER_ADD == action) | |
2693 | { | |
2694 | ++bgp->rfapi->stat.count_registrations_failed; | |
2695 | } | |
2696 | return EBADF; | |
2697 | } | |
2698 | } | |
2699 | ||
2700 | if (RFAPI_REGISTER_ADD == action) | |
2701 | { | |
2702 | ++bgp->rfapi->stat.count_registrations; | |
2703 | } | |
2704 | ||
2705 | /* | |
2706 | * Figure out if this registration is missing an IP address | |
2707 | * | |
2708 | * MAC-addr based: | |
2709 | * | |
2710 | * In RFAPI, we use prefixes in family AF_LINK to store | |
2711 | * the MAC addresses. These prefixes are used for the | |
2712 | * list of advertised prefixes and in the RFAPI import | |
2713 | * tables. | |
2714 | * | |
2715 | * In BGP proper, we use the prefix matching the NVE's | |
2716 | * VN address with a host prefix-length (i.e., 32 or 128). | |
2717 | * | |
2718 | */ | |
2719 | if (l2o && l2o->logical_net_id && RFAPI_0_PREFIX (&p) && | |
2720 | RFAPI_HOST_PREFIX (&p)) | |
2721 | { | |
2722 | ||
2723 | rfapiL2o2Qprefix (l2o, &pfx_mac_buf); | |
2724 | pfx_mac = &pfx_mac_buf; | |
2725 | } | |
2726 | ||
2727 | /* | |
2728 | * Construct route distinguisher | |
2729 | */ | |
2730 | if (prd_override) | |
2731 | { | |
2732 | prd = *prd_override; | |
2733 | } | |
2734 | else | |
2735 | { | |
2736 | memset (&prd, 0, sizeof (prd)); | |
2737 | if (pfx_mac) | |
2738 | { | |
2739 | prd.family = AF_UNSPEC; | |
2740 | prd.prefixlen = 64; | |
2741 | encode_rd_type(RD_TYPE_VNC_ETH, prd.val); | |
2742 | if (l2o->local_nve_id || !(rfd->rfg->flags & RFAPI_RFG_L2RD)) | |
2743 | { | |
2744 | /* | |
2745 | * If Local NVE ID is specified in message, use it. | |
2746 | * (if no local default configured, also use it even if 0) | |
2747 | */ | |
2748 | prd.val[1] = l2o->local_nve_id; | |
2749 | } | |
2750 | else | |
2751 | { | |
2752 | if (rfd->rfg->l2rd) | |
2753 | { | |
2754 | /* | |
2755 | * locally-configured literal value | |
2756 | */ | |
2757 | prd.val[1] = rfd->rfg->l2rd; | |
2758 | } | |
2759 | else | |
2760 | { | |
2761 | /* | |
2762 | * 0 means auto:vn, which means use LSB of VN addr | |
2763 | */ | |
2764 | if (rfd->vn_addr.addr_family == AF_INET) | |
2765 | { | |
2766 | prd.val[1] = | |
2767 | *(((char *) &rfd->vn_addr.addr.v4.s_addr) + 3); | |
2768 | } | |
2769 | else | |
2770 | { | |
2771 | prd.val[1] = | |
2772 | *(((char *) &rfd->vn_addr.addr.v6.s6_addr) + 15); | |
2773 | } | |
2774 | } | |
2775 | } | |
2776 | memcpy (prd.val + 2, pfx_mac->u.prefix_eth.octet, 6); | |
2777 | } | |
2778 | else | |
2779 | { | |
2780 | prd = rfd->rd; | |
2781 | prd.family = AF_UNSPEC; | |
2782 | prd.prefixlen = 64; | |
2783 | } | |
2784 | } | |
2785 | ||
2786 | ||
2787 | if (action == RFAPI_REGISTER_WITHDRAW || action == RFAPI_REGISTER_KILL) | |
2788 | { | |
2789 | ||
2790 | int adv_tunnel = 0; | |
2791 | ||
2792 | /* | |
2793 | * withdraw previous advertisement | |
2794 | */ | |
2795 | del_vnc_route ( | |
2796 | rfd, | |
2797 | rfd->peer, | |
2798 | bgp, | |
2799 | SAFI_MPLS_VPN, | |
2800 | pfx_ip ? pfx_ip : &pfx_vn_buf, /* prefix being advertised */ | |
2801 | &prd, /* route distinguisher (0 for ENCAP) */ | |
2802 | ZEBRA_ROUTE_BGP, | |
2803 | BGP_ROUTE_RFP, | |
2804 | NULL, | |
2805 | action == RFAPI_REGISTER_KILL); | |
2806 | ||
cedb5a71 | 2807 | if (0 == rfapiApDelete (bgp, rfd, &p, pfx_mac, &prd, &adv_tunnel)) |
65efcfce LB |
2808 | { |
2809 | if (adv_tunnel) | |
2810 | rfapiTunnelRouteAnnounce (bgp, rfd, &rfd->max_prefix_lifetime); | |
2811 | } | |
2812 | ||
2813 | } | |
2814 | else | |
2815 | { | |
2816 | ||
2817 | int adv_tunnel = 0; | |
2818 | uint32_t local_pref; | |
2819 | struct ecommunity *rtlist = NULL; | |
2820 | struct ecommunity_val ecom_value; | |
2821 | ||
2822 | if (!rfapiApCount (rfd)) | |
2823 | { | |
2824 | /* | |
2825 | * make sure we advertise tunnel route upon adding the | |
2826 | * first VPN route | |
2827 | */ | |
2828 | adv_tunnel = 1; | |
2829 | } | |
2830 | ||
2831 | if (rfapiApAdd (bgp, rfd, &p, pfx_mac, &prd, lifetime, prefix->cost, | |
2832 | l2o)) | |
2833 | { | |
2834 | adv_tunnel = 1; | |
2835 | } | |
2836 | ||
a3b55c25 | 2837 | vnc_zlog_debug_verbose ("%s: adv_tunnel = %d", __func__, adv_tunnel); |
65efcfce LB |
2838 | if (adv_tunnel) |
2839 | { | |
a3b55c25 | 2840 | vnc_zlog_debug_verbose ("%s: announcing tunnel route", __func__); |
65efcfce LB |
2841 | rfapiTunnelRouteAnnounce (bgp, rfd, &rfd->max_prefix_lifetime); |
2842 | } | |
2843 | ||
a3b55c25 | 2844 | vnc_zlog_debug_verbose ("%s: calling add_vnc_route", __func__); |
65efcfce LB |
2845 | |
2846 | local_pref = rfp_cost_to_localpref (prefix->cost); | |
2847 | ||
2848 | if (l2o && l2o->label) | |
2849 | label = &l2o->label; | |
2850 | ||
2851 | if (pfx_mac) | |
2852 | { | |
2853 | struct ecommunity *l2com = NULL; | |
2854 | ||
2855 | if (label) | |
2856 | { | |
2857 | l2com = bgp_rfapi_get_ecommunity_by_lni_label (bgp, 1, | |
2858 | l2o->logical_net_id, | |
2859 | *label); | |
2860 | } | |
2861 | if (l2com) | |
2862 | { | |
2863 | rtlist = ecommunity_dup (l2com); | |
2864 | } | |
2865 | else | |
2866 | { | |
2867 | /* | |
2868 | * If mac address is set, add an RT based on the registered LNI | |
2869 | */ | |
2870 | memset ((char *) &ecom_value, 0, sizeof (ecom_value)); | |
79799987 | 2871 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; |
65efcfce LB |
2872 | ecom_value.val[5] = (l2o->logical_net_id >> 16) & 0xff; |
2873 | ecom_value.val[6] = (l2o->logical_net_id >> 8) & 0xff; | |
2874 | ecom_value.val[7] = (l2o->logical_net_id >> 0) & 0xff; | |
2875 | rtlist = ecommunity_new(); | |
2876 | ecommunity_add_val (rtlist, &ecom_value); | |
2877 | } | |
79799987 LB |
2878 | if (l2o->tag_id) |
2879 | { | |
2880 | as_t as = bgp->as; | |
2881 | uint16_t val = l2o->tag_id; | |
2882 | memset ((char *) &ecom_value, 0, sizeof (ecom_value)); | |
2883 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2884 | if (as > BGP_AS_MAX) | |
2885 | { | |
2886 | ecom_value.val[0] = ECOMMUNITY_ENCODE_AS4; | |
2887 | ecom_value.val[2] = (as >>24) & 0xff; | |
2888 | ecom_value.val[3] = (as >>16) & 0xff; | |
2889 | ecom_value.val[4] = (as >>8) & 0xff; | |
2890 | ecom_value.val[5] = as & 0xff; | |
2891 | } | |
2892 | else | |
2893 | { | |
2894 | ecom_value.val[0] = ECOMMUNITY_ENCODE_AS; | |
2895 | ecom_value.val[2] = (as >>8) & 0xff; | |
2896 | ecom_value.val[3] = as & 0xff; | |
2897 | } | |
2898 | ecom_value.val[6] = (val >> 8) & 0xff; | |
2899 | ecom_value.val[7] = val & 0xff; | |
2900 | if (rtlist == NULL) | |
2901 | rtlist = ecommunity_new(); | |
2902 | ecommunity_add_val (rtlist, &ecom_value); | |
2903 | } | |
65efcfce LB |
2904 | } |
2905 | ||
2906 | /* | |
2907 | * advertise prefix via tunnel endpoint | |
2908 | */ | |
2909 | add_vnc_route ( | |
2910 | rfd, /* rfapi descr, for export list & backref */ | |
2911 | bgp, /* which bgp instance */ | |
2912 | SAFI_MPLS_VPN, /* which SAFI */ | |
2913 | (pfx_ip ? pfx_ip : &pfx_vn_buf), /* prefix being advertised */ | |
2914 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2915 | &rfd->vn_addr, /* nexthop */ | |
2916 | &local_pref, | |
2917 | &lifetime, /* prefix lifetime -> Tunnel Encap attr */ | |
2918 | NULL, | |
2919 | options_un, /* rfapi un options */ | |
2920 | options_vn, /* rfapi vn options */ | |
2921 | (rtlist ? rtlist : rfd->rt_export_list), | |
2922 | NULL, /* med */ | |
2923 | label, /* label: default */ | |
2924 | ZEBRA_ROUTE_BGP, | |
2925 | BGP_ROUTE_RFP, | |
2926 | 0); | |
2927 | ||
2928 | if (rtlist) | |
2929 | ecommunity_free (&rtlist); /* sets rtlist = NULL */ | |
2930 | } | |
2931 | ||
a3b55c25 | 2932 | vnc_zlog_debug_verbose ("%s: success", __func__); |
65efcfce LB |
2933 | return 0; |
2934 | } | |
2935 | ||
2936 | int | |
2937 | rfapi_query ( | |
2938 | void *handle, | |
2939 | struct rfapi_ip_addr *target, | |
2940 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
2941 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
2942 | { | |
2943 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
2944 | struct bgp *bgp = rfd->bgp; | |
2945 | int rc; | |
2946 | ||
2947 | assert (ppNextHopEntry); | |
2948 | *ppNextHopEntry = NULL; | |
2949 | ||
2950 | if (bgp && bgp->rfapi) | |
2951 | { | |
2952 | bgp->rfapi->stat.count_queries++; | |
2953 | } | |
2954 | ||
2955 | if (!rfd->rfg) | |
2956 | { | |
2957 | if (bgp && bgp->rfapi) | |
2958 | ++bgp->rfapi->stat.count_queries_failed; | |
2959 | return ESTALE; | |
2960 | } | |
2961 | ||
2962 | if ((rc = rfapi_query_inner (handle, target, l2o, ppNextHopEntry))) | |
2963 | { | |
2964 | if (bgp && bgp->rfapi) | |
2965 | ++bgp->rfapi->stat.count_queries_failed; | |
2966 | } | |
2967 | return rc; | |
2968 | } | |
2969 | ||
2970 | int | |
2971 | rfapi_query_done (rfapi_handle handle, struct rfapi_ip_addr *target) | |
2972 | { | |
2973 | struct prefix p; | |
2974 | int rc; | |
2975 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
2976 | struct bgp *bgp = rfd->bgp; | |
2977 | ||
2978 | if (!rfd->rfg) | |
2979 | return ESTALE; | |
2980 | ||
2981 | assert (target); | |
2982 | rc = rfapiRaddr2Qprefix (target, &p); | |
2983 | assert (!rc); | |
2984 | ||
2985 | if (!is_valid_rfd (rfd)) | |
2986 | return EBADF; | |
2987 | ||
2988 | /* preemptive */ | |
2989 | if (!bgp || !bgp->rfapi) | |
2990 | return ENXIO; | |
2991 | ||
2992 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) | |
2993 | return EDEADLK; | |
2994 | ||
2995 | rfapiMonitorDel (bgp, rfd, &p); | |
2996 | ||
2997 | return 0; | |
2998 | } | |
2999 | ||
3000 | int | |
3001 | rfapi_query_done_all (rfapi_handle handle, int *count) | |
3002 | { | |
3003 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
3004 | struct bgp *bgp = rfd->bgp;; | |
3005 | int num; | |
3006 | ||
3007 | if (!rfd->rfg) | |
3008 | return ESTALE; | |
3009 | ||
3010 | if (!is_valid_rfd (rfd)) | |
3011 | return EBADF; | |
3012 | ||
3013 | /* preemptive */ | |
3014 | if (!bgp || !bgp->rfapi) | |
3015 | return ENXIO; | |
3016 | ||
3017 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) | |
3018 | return EDEADLK; | |
3019 | ||
3020 | num = rfapiMonitorDelHd (rfd); | |
3021 | ||
3022 | if (count) | |
3023 | *count = num; | |
3024 | ||
3025 | return 0; | |
3026 | } | |
3027 | ||
3028 | void | |
3029 | rfapi_free_next_hop_list (struct rfapi_next_hop_entry *list) | |
3030 | { | |
3031 | struct rfapi_next_hop_entry *nh; | |
3032 | struct rfapi_next_hop_entry *next; | |
3033 | ||
3034 | for (nh = list; nh; nh = next) | |
3035 | { | |
3036 | next = nh->next; | |
3037 | rfapi_un_options_free (nh->un_options); | |
3038 | nh->un_options = NULL; | |
3039 | rfapi_vn_options_free (nh->vn_options); | |
3040 | nh->vn_options = NULL; | |
3041 | XFREE (MTYPE_RFAPI_NEXTHOP, nh); | |
3042 | } | |
3043 | } | |
3044 | ||
3045 | /* | |
3046 | * NULL handle => return total count across all nves | |
3047 | */ | |
3048 | uint32_t | |
3049 | rfapi_monitor_count (void *handle) | |
3050 | { | |
3051 | struct bgp *bgp = bgp_get_default (); | |
3052 | uint32_t count; | |
3053 | ||
3054 | if (handle) | |
3055 | { | |
3056 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
3057 | count = rfd->monitor_count; | |
3058 | } | |
3059 | else | |
3060 | { | |
3061 | ||
3062 | if (!bgp || !bgp->rfapi) | |
3063 | return 0; | |
3064 | ||
3065 | count = bgp->rfapi->monitor_count; | |
3066 | } | |
3067 | ||
3068 | return count; | |
3069 | } | |
3070 | ||
3071 | /*********************************************************************** | |
3072 | * CLI/CONFIG | |
3073 | ***********************************************************************/ | |
3074 | ||
3075 | DEFUN (debug_rfapi_show_nves, | |
3076 | debug_rfapi_show_nves_cmd, | |
3077 | "debug rfapi-dev show nves", | |
3078 | DEBUG_STR | |
3079 | DEBUG_RFAPI_STR | |
3080 | SHOW_STR | |
3081 | "NVE Information\n") | |
3082 | { | |
3083 | rfapiPrintMatchingDescriptors (vty, NULL, NULL); | |
3084 | return CMD_SUCCESS; | |
3085 | } | |
3086 | ||
3087 | DEFUN ( | |
3088 | debug_rfapi_show_nves_vn_un, | |
3089 | debug_rfapi_show_nves_vn_un_cmd, | |
034d2de2 | 3090 | "debug rfapi-dev show nves <vn|un> <A.B.C.D|X:X::X:X>", /* prefix also ok */ |
65efcfce LB |
3091 | DEBUG_STR |
3092 | DEBUG_RFAPI_STR | |
3093 | SHOW_STR | |
3094 | "NVE Information\n" | |
034d2de2 DS |
3095 | "Specify virtual network\n" |
3096 | "Specify underlay network interface\n" | |
3097 | "IPv4 address\n" | |
3098 | "IPv6 address\n") | |
65efcfce LB |
3099 | { |
3100 | struct prefix pfx; | |
3101 | ||
aed3273f | 3102 | if (!str2prefix (argv[5]->arg, &pfx)) |
65efcfce | 3103 | { |
96ade3ed | 3104 | vty_outln (vty, "Malformed address \"%s\"", argv[5]->arg); |
f1a05de9 | 3105 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3106 | } |
3107 | if (pfx.family != AF_INET && pfx.family != AF_INET6) | |
3108 | { | |
96ade3ed | 3109 | vty_outln (vty, "Invalid address \"%s\"", argv[5]->arg); |
f1a05de9 | 3110 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3111 | } |
3112 | ||
aed3273f | 3113 | if (argv[4]->arg[0] == 'u') |
65efcfce LB |
3114 | { |
3115 | rfapiPrintMatchingDescriptors (vty, NULL, &pfx); | |
3116 | } | |
3117 | else | |
3118 | { | |
3119 | rfapiPrintMatchingDescriptors (vty, &pfx, NULL); | |
3120 | } | |
3121 | return CMD_SUCCESS; | |
3122 | } | |
3123 | ||
3124 | /* | |
3125 | * Note: this function does not flush vty output, so if it is called | |
3126 | * with a stream pointing to a vty, the user will have to type something | |
3127 | * before the callback output shows up | |
3128 | */ | |
3129 | static void | |
3130 | test_nexthops_callback ( | |
3131 | // struct rfapi_ip_addr *target, | |
3132 | struct rfapi_next_hop_entry *next_hops, | |
3133 | void *userdata) | |
3134 | { | |
3135 | void *stream = userdata; | |
3136 | ||
3137 | int (*fp) (void *, const char *, ...); | |
3138 | struct vty *vty; | |
3139 | void *out; | |
3140 | const char *vty_newline; | |
3141 | ||
3142 | if (rfapiStream2Vty (stream, &fp, &vty, &out, &vty_newline) == 0) | |
3143 | return; | |
3144 | ||
3145 | fp (out, "Nexthops Callback, Target=("); | |
3146 | //rfapiPrintRfapiIpAddr(stream, target); | |
1318e7c8 | 3147 | fp (out, ")%s", VTYNL); |
65efcfce LB |
3148 | |
3149 | rfapiPrintNhl (stream, next_hops); | |
3150 | ||
3151 | rfapi_free_next_hop_list (next_hops); | |
3152 | } | |
3153 | ||
3154 | DEFUN (debug_rfapi_open, | |
3155 | debug_rfapi_open_cmd, | |
034d2de2 | 3156 | "debug rfapi-dev open vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
3157 | DEBUG_STR |
3158 | DEBUG_RFAPI_STR | |
3159 | "rfapi_open\n" | |
3160 | "indicate vn addr follows\n" | |
034d2de2 DS |
3161 | "virtual network interface IPv4 address\n" |
3162 | "virtual network interface IPv6 address\n" | |
3163 | "indicate xt addr follows\n" | |
3164 | "underlay network interface IPv4 address\n" | |
3165 | "underlay network interface IPv6 address\n") | |
65efcfce LB |
3166 | { |
3167 | struct rfapi_ip_addr vn; | |
3168 | struct rfapi_ip_addr un; | |
3169 | uint32_t lifetime; | |
3170 | int rc; | |
3171 | rfapi_handle handle; | |
3172 | ||
3173 | /* | |
3174 | * Get VN addr | |
3175 | */ | |
aed3273f | 3176 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3177 | return rc; |
3178 | ||
3179 | /* | |
3180 | * Get UN addr | |
3181 | */ | |
aed3273f | 3182 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3183 | return rc; |
3184 | ||
3185 | rc = rfapi_open (rfapi_get_rfp_start_val_by_bgp (bgp_get_default ()), | |
3186 | &vn, &un, /*&uo */ NULL, &lifetime, NULL, &handle); | |
3187 | ||
96ade3ed QY |
3188 | vty_outln (vty, "rfapi_open: status %d, handle %p, lifetime %d", |
3189 | rc, handle, lifetime); | |
65efcfce LB |
3190 | |
3191 | rc = rfapi_set_response_cb (handle, test_nexthops_callback); | |
3192 | ||
96ade3ed | 3193 | vty_outln (vty, "rfapi_set_response_cb: status %d", rc); |
65efcfce LB |
3194 | |
3195 | return CMD_SUCCESS; | |
3196 | } | |
3197 | ||
3198 | ||
3199 | DEFUN (debug_rfapi_close_vn_un, | |
3200 | debug_rfapi_close_vn_un_cmd, | |
034d2de2 | 3201 | "debug rfapi-dev close vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
3202 | DEBUG_STR |
3203 | DEBUG_RFAPI_STR | |
3204 | "rfapi_close\n" | |
3205 | "indicate vn addr follows\n" | |
034d2de2 DS |
3206 | "virtual network interface IPv4 address\n" |
3207 | "virtual network interface IPv6 address\n" | |
3208 | "indicate xt addr follows\n" | |
3209 | "underlay network interface IPv4 address\n" | |
3210 | "underlay network interface IPv6 address\n") | |
65efcfce LB |
3211 | { |
3212 | struct rfapi_ip_addr vn; | |
3213 | struct rfapi_ip_addr un; | |
3214 | rfapi_handle handle; | |
3215 | int rc; | |
3216 | ||
3217 | /* | |
3218 | * Get VN addr | |
3219 | */ | |
aed3273f | 3220 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3221 | return rc; |
3222 | ||
3223 | ||
3224 | /* | |
3225 | * Get UN addr | |
3226 | */ | |
aed3273f | 3227 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3228 | return rc; |
3229 | ||
3230 | ||
3231 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3232 | { | |
96ade3ed QY |
3233 | vty_outln (vty, "can't locate handle matching vn=%s, un=%s", |
3234 | argv[4]->arg, argv[6]->arg); | |
f1a05de9 | 3235 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3236 | } |
3237 | ||
3238 | rc = rfapi_close (handle); | |
3239 | ||
96ade3ed | 3240 | vty_outln (vty, "rfapi_close(handle=%p): status %d", handle,rc); |
65efcfce LB |
3241 | |
3242 | return CMD_SUCCESS; | |
3243 | } | |
3244 | ||
3245 | DEFUN (debug_rfapi_close_rfd, | |
3246 | debug_rfapi_close_rfd_cmd, | |
3247 | "debug rfapi-dev close rfd HANDLE", | |
3248 | DEBUG_STR | |
3249 | DEBUG_RFAPI_STR | |
3250 | "rfapi_close\n" | |
3251 | "indicate handle follows\n" "rfapi handle in hexadecimal\n") | |
3252 | { | |
3253 | rfapi_handle handle; | |
3254 | int rc; | |
3255 | char *endptr = NULL; | |
3256 | ||
aed3273f | 3257 | handle = (rfapi_handle) (uintptr_t) (strtoull (argv[4]->arg, &endptr, 16)); |
65efcfce LB |
3258 | |
3259 | if (*endptr != '\0' || (uintptr_t) handle == UINTPTR_MAX) | |
3260 | { | |
96ade3ed | 3261 | vty_outln (vty, "Invalid value: %s", argv[4]->arg); |
f1a05de9 | 3262 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3263 | } |
3264 | ||
3265 | rc = rfapi_close (handle); | |
3266 | ||
96ade3ed | 3267 | vty_outln (vty, "rfapi_close(handle=%p): status %d", handle,rc); |
65efcfce LB |
3268 | |
3269 | return CMD_SUCCESS; | |
3270 | } | |
3271 | ||
3272 | DEFUN (debug_rfapi_register_vn_un, | |
3273 | debug_rfapi_register_vn_un_cmd, | |
034d2de2 | 3274 | "debug rfapi-dev register vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X> prefix <A.B.C.D/M|X:X::X:X/M> lifetime SECONDS", |
65efcfce LB |
3275 | DEBUG_STR |
3276 | DEBUG_RFAPI_STR | |
3277 | "rfapi_register\n" | |
3278 | "indicate vn addr follows\n" | |
3279 | "virtual network IPv4 interface address\n" | |
3280 | "virtual network IPv6 interface address\n" | |
3281 | "indicate un addr follows\n" | |
3282 | "underlay network IPv4 interface address\n" | |
3283 | "underlay network IPv6 interface address\n" | |
3284 | "indicate prefix follows\n" | |
3285 | "IPv4 prefix\n" | |
034d2de2 DS |
3286 | "IPv6 prefix\n" |
3287 | "indicate lifetime follows\n" | |
3288 | "lifetime\n") | |
65efcfce LB |
3289 | { |
3290 | struct rfapi_ip_addr vn; | |
3291 | struct rfapi_ip_addr un; | |
3292 | rfapi_handle handle; | |
3293 | struct prefix pfx; | |
3294 | uint32_t lifetime; | |
3295 | struct rfapi_ip_prefix hpfx; | |
3296 | int rc; | |
3297 | ||
3298 | /* | |
3299 | * Get VN addr | |
3300 | */ | |
aed3273f | 3301 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3302 | return rc; |
3303 | ||
3304 | ||
3305 | /* | |
3306 | * Get UN addr | |
3307 | */ | |
aed3273f | 3308 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3309 | return rc; |
3310 | ||
3311 | ||
3312 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3313 | { | |
96ade3ed QY |
3314 | vty_outln (vty, "can't locate handle matching vn=%s, un=%s", |
3315 | argv[4]->arg, argv[6]->arg); | |
f1a05de9 | 3316 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3317 | } |
3318 | ||
3319 | /* | |
3320 | * Get prefix to advertise | |
3321 | */ | |
aed3273f | 3322 | if (!str2prefix (argv[8]->arg, &pfx)) |
65efcfce | 3323 | { |
96ade3ed | 3324 | vty_outln (vty, "Malformed prefix \"%s\"", argv[8]->arg); |
f1a05de9 | 3325 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3326 | } |
3327 | if (pfx.family != AF_INET && pfx.family != AF_INET6) | |
3328 | { | |
96ade3ed | 3329 | vty_outln (vty, "Bad family for prefix \"%s\"", argv[8]->arg); |
f1a05de9 | 3330 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3331 | } |
3332 | rfapiQprefix2Rprefix (&pfx, &hpfx); | |
3333 | ||
7e045c3d | 3334 | if (strmatch(argv[10]->text, "infinite")) |
65efcfce LB |
3335 | { |
3336 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3337 | } | |
3338 | else | |
3339 | { | |
facfee22 | 3340 | lifetime = strtoul(argv[10]->arg, NULL, 10); |
65efcfce LB |
3341 | } |
3342 | ||
3343 | ||
3344 | rc = rfapi_register (handle, &hpfx, lifetime, NULL, NULL, 0); | |
3345 | if (rc) | |
3346 | { | |
96ade3ed QY |
3347 | vty_outln (vty, "rfapi_register failed with rc=%d (%s)", rc, |
3348 | strerror(rc)); | |
65efcfce LB |
3349 | } |
3350 | ||
3351 | return CMD_SUCCESS; | |
3352 | } | |
3353 | ||
3354 | DEFUN (debug_rfapi_register_vn_un_l2o, | |
3355 | debug_rfapi_register_vn_un_l2o_cmd, | |
034d2de2 | 3356 | "debug rfapi-dev register vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X> prefix <A.B.C.D/M|X:X::X:X/M> lifetime SECONDS macaddr YY:YY:YY:YY:YY:YY lni (0-16777215)", |
65efcfce LB |
3357 | DEBUG_STR |
3358 | DEBUG_RFAPI_STR | |
3359 | "rfapi_register\n" | |
3360 | "indicate vn addr follows\n" | |
3361 | "virtual network IPv4 interface address\n" | |
3362 | "virtual network IPv6 interface address\n" | |
3363 | "indicate un addr follows\n" | |
3364 | "underlay network IPv4 interface address\n" | |
3365 | "underlay network IPv6 interface address\n" | |
3366 | "indicate prefix follows\n" | |
3367 | "IPv4 prefix\n" | |
034d2de2 DS |
3368 | "IPv6 prefix\n" |
3369 | "indicate lifetime follows\n" | |
3370 | "Seconds of lifetime\n" | |
3371 | "indicate MAC address follows\n" | |
3372 | "MAC address\n" | |
3373 | "indicate lni follows\n" | |
3374 | "lni value range\n") | |
65efcfce LB |
3375 | { |
3376 | struct rfapi_ip_addr vn; | |
3377 | struct rfapi_ip_addr un; | |
3378 | rfapi_handle handle; | |
3379 | struct prefix pfx; | |
3380 | uint32_t lifetime; | |
3381 | struct rfapi_ip_prefix hpfx; | |
3382 | int rc; | |
3383 | struct rfapi_vn_option optary[10]; /* XXX must be big enough */ | |
3384 | struct rfapi_vn_option *opt = NULL; | |
3385 | int opt_next = 0; | |
3386 | ||
3387 | /* | |
3388 | * Get VN addr | |
3389 | */ | |
aed3273f | 3390 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3391 | return rc; |
3392 | ||
3393 | ||
3394 | /* | |
3395 | * Get UN addr | |
3396 | */ | |
aed3273f | 3397 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3398 | return rc; |
3399 | ||
3400 | ||
3401 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3402 | { | |
96ade3ed QY |
3403 | vty_outln (vty, "can't locate handle matching vn=%s, un=%s", |
3404 | argv[4]->arg, argv[6]->arg); | |
f1a05de9 | 3405 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3406 | } |
3407 | ||
3408 | /* | |
3409 | * Get prefix to advertise | |
3410 | */ | |
aed3273f | 3411 | if (!str2prefix (argv[8]->arg, &pfx)) |
65efcfce | 3412 | { |
96ade3ed | 3413 | vty_outln (vty, "Malformed prefix \"%s\"", argv[8]->arg); |
f1a05de9 | 3414 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3415 | } |
3416 | if (pfx.family != AF_INET && pfx.family != AF_INET6) | |
3417 | { | |
96ade3ed | 3418 | vty_outln (vty, "Bad family for prefix \"%s\"", argv[8]->arg); |
f1a05de9 | 3419 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3420 | } |
3421 | rfapiQprefix2Rprefix (&pfx, &hpfx); | |
3422 | ||
7e045c3d | 3423 | if (strmatch(argv[10]->text, "infinite")) |
65efcfce LB |
3424 | { |
3425 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3426 | } | |
3427 | else | |
3428 | { | |
facfee22 | 3429 | lifetime = strtoul(argv[10]->arg, NULL, 10); |
65efcfce LB |
3430 | } |
3431 | ||
3432 | /* L2 option parsing START */ | |
3433 | memset (optary, 0, sizeof (optary)); | |
facfee22 | 3434 | optary[opt_next].v.l2addr.logical_net_id = strtoul(argv[14]->arg, NULL, 10); |
aed3273f | 3435 | if ((rc = rfapiStr2EthAddr (argv[12]->arg, &optary[opt_next].v.l2addr.macaddr))) |
65efcfce | 3436 | { |
96ade3ed | 3437 | vty_outln (vty, "Bad mac address \"%s\"", argv[12]->arg); |
f1a05de9 | 3438 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3439 | } |
3440 | optary[opt_next].type = RFAPI_VN_OPTION_TYPE_L2ADDR; | |
3441 | if (opt_next) | |
3442 | { | |
3443 | optary[opt_next - 1].next = optary + opt_next; | |
3444 | } | |
3445 | else | |
3446 | { | |
3447 | opt = optary; | |
3448 | } | |
3449 | ++opt_next; | |
3450 | /* L2 option parsing END */ | |
3451 | ||
3452 | /* TBD fixme */ | |
3453 | rc = rfapi_register (handle, &hpfx, lifetime, NULL /* &uo */ , opt, 0); | |
3454 | if (rc) | |
3455 | { | |
96ade3ed QY |
3456 | vty_outln (vty, "rfapi_register failed with rc=%d (%s)", rc, |
3457 | strerror(rc)); | |
65efcfce LB |
3458 | } |
3459 | ||
3460 | return CMD_SUCCESS; | |
3461 | } | |
3462 | ||
3463 | ||
3464 | DEFUN (debug_rfapi_unregister_vn_un, | |
3465 | debug_rfapi_unregister_vn_un_cmd, | |
034d2de2 | 3466 | "debug rfapi-dev unregister vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X> prefix <A.B.C.D/M|X:X::X:X/M>", |
65efcfce LB |
3467 | DEBUG_STR |
3468 | DEBUG_RFAPI_STR | |
3469 | "rfapi_register\n" | |
3470 | "indicate vn addr follows\n" | |
3471 | "virtual network interface address\n" | |
3472 | "indicate xt addr follows\n" | |
3473 | "underlay network interface address\n" | |
3474 | "indicate prefix follows\n" "prefix") | |
3475 | { | |
3476 | struct rfapi_ip_addr vn; | |
3477 | struct rfapi_ip_addr un; | |
3478 | rfapi_handle handle; | |
3479 | struct prefix pfx; | |
3480 | struct rfapi_ip_prefix hpfx; | |
3481 | int rc; | |
3482 | ||
3483 | /* | |
3484 | * Get VN addr | |
3485 | */ | |
aed3273f | 3486 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3487 | return rc; |
3488 | ||
3489 | ||
3490 | /* | |
3491 | * Get UN addr | |
3492 | */ | |
aed3273f | 3493 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3494 | return rc; |
3495 | ||
3496 | ||
3497 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3498 | { | |
96ade3ed QY |
3499 | vty_outln (vty, "can't locate handle matching vn=%s, un=%s", |
3500 | argv[4]->arg, argv[6]->arg); | |
f1a05de9 | 3501 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3502 | } |
3503 | ||
3504 | /* | |
3505 | * Get prefix to advertise | |
3506 | */ | |
aed3273f | 3507 | if (!str2prefix (argv[8]->arg, &pfx)) |
65efcfce | 3508 | { |
96ade3ed | 3509 | vty_outln (vty, "Malformed prefix \"%s\"", argv[8]->arg); |
f1a05de9 | 3510 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3511 | } |
3512 | if (pfx.family != AF_INET && pfx.family != AF_INET6) | |
3513 | { | |
96ade3ed | 3514 | vty_outln (vty, "Bad family for prefix \"%s\"", argv[8]->arg); |
f1a05de9 | 3515 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3516 | } |
3517 | rfapiQprefix2Rprefix (&pfx, &hpfx); | |
3518 | ||
3519 | rfapi_register (handle, &hpfx, 0, NULL, NULL, 1); | |
3520 | ||
3521 | return CMD_SUCCESS; | |
3522 | } | |
3523 | ||
3524 | DEFUN (debug_rfapi_query_vn_un, | |
3525 | debug_rfapi_query_vn_un_cmd, | |
034d2de2 | 3526 | "debug rfapi-dev query vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X> target <A.B.C.D|X:X::X:X>", |
65efcfce LB |
3527 | DEBUG_STR |
3528 | DEBUG_RFAPI_STR | |
3529 | "rfapi_query\n" | |
3530 | "indicate vn addr follows\n" | |
034d2de2 DS |
3531 | "virtual network interface IPv4 address\n" |
3532 | "virtual network interface IPv6 address\n" | |
3533 | "indicate un addr follows\n" | |
3534 | "IPv4 un address\n" | |
3535 | "IPv6 un address\n" | |
3536 | "indicate target follows\n" | |
3537 | "target IPv4 address\n" | |
3538 | "target IPv6 address\n") | |
65efcfce LB |
3539 | { |
3540 | struct rfapi_ip_addr vn; | |
3541 | struct rfapi_ip_addr un; | |
3542 | struct rfapi_ip_addr target; | |
3543 | rfapi_handle handle; | |
3544 | int rc; | |
3545 | struct rfapi_next_hop_entry *pNextHopEntry; | |
3546 | ||
3547 | /* | |
3548 | * Get VN addr | |
3549 | */ | |
aed3273f | 3550 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3551 | return rc; |
3552 | ||
3553 | ||
3554 | /* | |
3555 | * Get UN addr | |
3556 | */ | |
aed3273f | 3557 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3558 | return rc; |
3559 | ||
3560 | ||
3561 | /* | |
3562 | * Get target addr | |
3563 | */ | |
aed3273f | 3564 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[8]->arg, &target))) |
65efcfce LB |
3565 | return rc; |
3566 | ||
3567 | ||
3568 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3569 | { | |
96ade3ed QY |
3570 | vty_outln (vty, "can't locate handle matching vn=%s, un=%s", |
3571 | argv[4]->arg, argv[6]->arg); | |
f1a05de9 | 3572 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3573 | } |
3574 | ||
3575 | /* | |
3576 | * options parameter not used? Set to NULL for now | |
3577 | */ | |
3578 | rc = rfapi_query (handle, &target, NULL, &pNextHopEntry); | |
3579 | ||
3580 | if (rc) | |
3581 | { | |
96ade3ed QY |
3582 | vty_outln (vty, "rfapi_query failed with rc=%d (%s)", rc, |
3583 | strerror(rc)); | |
65efcfce LB |
3584 | } |
3585 | else | |
3586 | { | |
3587 | /* | |
3588 | * print nexthop list | |
3589 | */ | |
3590 | test_nexthops_callback ( /*&target, */ pNextHopEntry, vty); /* frees nh list! */ | |
3591 | } | |
3592 | ||
3593 | return CMD_SUCCESS; | |
3594 | } | |
3595 | ||
3596 | ||
3597 | DEFUN (debug_rfapi_query_vn_un_l2o, | |
3598 | debug_rfapi_query_vn_un_l2o_cmd, | |
034d2de2 | 3599 | "debug rfapi-dev query vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X> lni LNI target YY:YY:YY:YY:YY:YY", |
65efcfce LB |
3600 | DEBUG_STR |
3601 | DEBUG_RFAPI_STR | |
3602 | "rfapi_query\n" | |
3603 | "indicate vn addr follows\n" | |
034d2de2 DS |
3604 | "virtual network interface IPv4 address\n" |
3605 | "virtual network interface IPv6 address\n" | |
65efcfce | 3606 | "indicate xt addr follows\n" |
034d2de2 DS |
3607 | "underlay network interface IPv4 address\n" |
3608 | "underlay network interface IPv6 address\n" | |
65efcfce LB |
3609 | "logical network ID follows\n" |
3610 | "logical network ID\n" | |
034d2de2 DS |
3611 | "indicate target MAC addr follows\n" |
3612 | "target MAC addr\n") | |
65efcfce LB |
3613 | { |
3614 | struct rfapi_ip_addr vn; | |
3615 | struct rfapi_ip_addr un; | |
3616 | struct rfapi_ip_addr target; | |
3617 | rfapi_handle handle; | |
3618 | int rc; | |
3619 | struct rfapi_next_hop_entry *pNextHopEntry; | |
3620 | struct rfapi_l2address_option l2o_buf; | |
3621 | struct bgp_tea_options hopt; | |
3622 | uint8_t valbuf[14]; | |
3623 | ||
3624 | /* | |
3625 | * Get VN addr | |
3626 | */ | |
aed3273f | 3627 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3628 | return rc; |
3629 | ||
3630 | ||
3631 | /* | |
3632 | * Get UN addr | |
3633 | */ | |
aed3273f | 3634 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3635 | return rc; |
3636 | ||
3637 | ||
aed3273f | 3638 | #if 0 /* there is no IP target arg here ?????? */ |
65efcfce LB |
3639 | /* |
3640 | * Get target addr | |
3641 | */ | |
3642 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[2], &target))) | |
3643 | return rc; | |
aed3273f | 3644 | #else |
96ade3ed | 3645 | vty_outln (vty, "%% This command is broken."); |
f1a05de9 | 3646 | return CMD_WARNING_CONFIG_FAILED; |
aed3273f | 3647 | #endif |
65efcfce LB |
3648 | |
3649 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3650 | { | |
96ade3ed QY |
3651 | vty_outln (vty, "can't locate handle matching vn=%s, un=%s", |
3652 | argv[4]->arg, argv[6]->arg); | |
f1a05de9 | 3653 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3654 | } |
3655 | ||
3656 | /* | |
3657 | * Set up L2 parameters | |
3658 | */ | |
3659 | memset (&l2o_buf, 0, sizeof (l2o_buf)); | |
aed3273f | 3660 | if (rfapiStr2EthAddr (argv[10]->arg, &l2o_buf.macaddr)) |
65efcfce | 3661 | { |
96ade3ed | 3662 | vty_outln (vty, "Bad mac address \"%s\"", argv[10]->arg); |
f1a05de9 | 3663 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3664 | } |
3665 | ||
facfee22 | 3666 | l2o_buf.logical_net_id = strtoul(argv[8]->arg, NULL, 10); |
65efcfce LB |
3667 | |
3668 | /* construct option chain */ | |
3669 | ||
3670 | memset (valbuf, 0, sizeof (valbuf)); | |
3671 | memcpy (valbuf, &l2o_buf.macaddr.octet, ETHER_ADDR_LEN); | |
3672 | valbuf[11] = (l2o_buf.logical_net_id >> 16) & 0xff; | |
3673 | valbuf[12] = (l2o_buf.logical_net_id >> 8) & 0xff; | |
3674 | valbuf[13] = l2o_buf.logical_net_id & 0xff; | |
3675 | ||
3676 | memset (&hopt, 0, sizeof (hopt)); | |
3677 | hopt.options_count = 1; | |
3678 | hopt.options_length = sizeof (valbuf); /* is this right? */ | |
3679 | hopt.type = RFAPI_VN_OPTION_TYPE_L2ADDR; | |
3680 | hopt.length = sizeof (valbuf); | |
3681 | hopt.value = valbuf; | |
3682 | ||
3683 | ||
3684 | /* | |
3685 | * options parameter not used? Set to NULL for now | |
3686 | */ | |
3687 | rc = rfapi_query (handle, &target, &l2o_buf, &pNextHopEntry); | |
3688 | ||
3689 | if (rc) | |
3690 | { | |
96ade3ed QY |
3691 | vty_outln (vty, "rfapi_query failed with rc=%d (%s)", rc, |
3692 | strerror(rc)); | |
65efcfce LB |
3693 | } |
3694 | else | |
3695 | { | |
3696 | /* | |
3697 | * print nexthop list | |
3698 | */ | |
3699 | /* TBD enhance to print L2 information */ | |
3700 | test_nexthops_callback ( /*&target, */ pNextHopEntry, vty); /* frees nh list! */ | |
3701 | } | |
3702 | ||
3703 | return CMD_SUCCESS; | |
3704 | } | |
3705 | ||
3706 | ||
3707 | DEFUN (debug_rfapi_query_done_vn_un, | |
3708 | debug_rfapi_query_vn_un_done_cmd, | |
034d2de2 | 3709 | "debug rfapi-dev query done vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X> target <A.B.C.D|X:X::X:X>", |
65efcfce LB |
3710 | DEBUG_STR |
3711 | DEBUG_RFAPI_STR | |
3712 | "rfapi_query_done\n" | |
034d2de2 | 3713 | "rfapi_query_done\n" |
65efcfce | 3714 | "indicate vn addr follows\n" |
034d2de2 DS |
3715 | "virtual network interface IPv4 address\n" |
3716 | "virtual network interface IPv6 address\n" | |
65efcfce | 3717 | "indicate xt addr follows\n" |
034d2de2 DS |
3718 | "underlay network interface IPv4 address\n" |
3719 | "underlay network interface IPv6 address\n" | |
3720 | "indicate target follows\n" | |
3721 | "Target IPv4 address\n" | |
3722 | "Target IPv6 address\n") | |
65efcfce LB |
3723 | { |
3724 | struct rfapi_ip_addr vn; | |
3725 | struct rfapi_ip_addr un; | |
3726 | struct rfapi_ip_addr target; | |
3727 | rfapi_handle handle; | |
3728 | int rc; | |
3729 | ||
3730 | /* | |
3731 | * Get VN addr | |
3732 | */ | |
aed3273f | 3733 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[5]->arg, &vn))) |
65efcfce LB |
3734 | return rc; |
3735 | ||
3736 | ||
3737 | /* | |
3738 | * Get UN addr | |
3739 | */ | |
aed3273f | 3740 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[7]->arg, &un))) |
65efcfce LB |
3741 | return rc; |
3742 | ||
3743 | ||
3744 | /* | |
3745 | * Get target addr | |
3746 | */ | |
aed3273f | 3747 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[9]->arg, &target))) |
65efcfce LB |
3748 | return rc; |
3749 | ||
3750 | ||
3751 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3752 | { | |
96ade3ed QY |
3753 | vty_outln (vty, "can't locate handle matching vn=%s, un=%s", |
3754 | argv[5]->arg, argv[7]->arg); | |
f1a05de9 | 3755 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3756 | } |
3757 | ||
3758 | /* | |
3759 | * options parameter not used? Set to NULL for now | |
3760 | */ | |
3761 | rc = rfapi_query_done (handle, &target); | |
3762 | ||
96ade3ed | 3763 | vty_outln (vty, "rfapi_query_done returned %d", rc); |
65efcfce LB |
3764 | |
3765 | return CMD_SUCCESS; | |
3766 | } | |
3767 | ||
3768 | DEFUN (debug_rfapi_show_import, | |
3769 | debug_rfapi_show_import_cmd, | |
3770 | "debug rfapi-dev show import", | |
3771 | DEBUG_STR | |
3772 | DEBUG_RFAPI_STR | |
3773 | SHOW_STR | |
3774 | "import\n") | |
3775 | { | |
3776 | struct bgp *bgp; | |
3777 | struct rfapi *h; | |
3778 | struct rfapi_import_table *it; | |
3779 | char *s; | |
3780 | int first_l2 = 1; | |
3781 | ||
3782 | /* | |
3783 | * Show all import tables | |
3784 | */ | |
3785 | ||
3786 | bgp = bgp_get_default (); /* assume 1 instance for now */ | |
3787 | if (!bgp) | |
3788 | { | |
96ade3ed | 3789 | vty_outln (vty, "No BGP instance"); |
f1a05de9 | 3790 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3791 | } |
3792 | ||
3793 | h = bgp->rfapi; | |
3794 | if (!h) | |
3795 | { | |
96ade3ed | 3796 | vty_outln (vty, "No RFAPI instance"); |
f1a05de9 | 3797 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3798 | } |
3799 | ||
3800 | /* | |
3801 | * Iterate over all import tables; do a filtered import | |
3802 | * for the afi/safi combination | |
3803 | */ | |
3804 | ||
3805 | ||
3806 | for (it = h->imports; it; it = it->next) | |
3807 | { | |
3808 | s = ecommunity_ecom2str (it->rt_import_list, | |
f47195ae | 3809 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); |
96ade3ed | 3810 | vty_outln (vty, "Import Table %p, RTs: %s", it, s); |
65efcfce LB |
3811 | XFREE (MTYPE_ECOMMUNITY_STR, s); |
3812 | ||
3813 | rfapiShowImportTable (vty, "IP VPN", it->imported_vpn[AFI_IP], 1); | |
3814 | rfapiShowImportTable (vty, "IP ENCAP", it->imported_encap[AFI_IP], 0); | |
3815 | rfapiShowImportTable (vty, "IP6 VPN", it->imported_vpn[AFI_IP6], 1); | |
3816 | rfapiShowImportTable (vty, "IP6 ENCAP", it->imported_encap[AFI_IP6], 0); | |
3817 | } | |
3818 | ||
3819 | if (h->import_mac) | |
3820 | { | |
3821 | void *cursor = NULL; | |
3822 | uint32_t lni; | |
3823 | uintptr_t lni_as_ptr; | |
3824 | int rc; | |
3825 | char buf[BUFSIZ]; | |
3826 | ||
3827 | for (rc = | |
3828 | skiplist_next (h->import_mac, (void **) &lni_as_ptr, (void **) &it, | |
3829 | &cursor); !rc; | |
3830 | rc = | |
3831 | skiplist_next (h->import_mac, (void **) &lni_as_ptr, (void **) &it, | |
3832 | &cursor)) | |
3833 | { | |
3834 | ||
0aa9c36c | 3835 | if (it->imported_vpn[AFI_L2VPN]) |
65efcfce LB |
3836 | { |
3837 | lni = lni_as_ptr; | |
3838 | if (first_l2) | |
3839 | { | |
96ade3ed | 3840 | vty_outln (vty, "%sLNI-based Ethernet Tables:", |
1318e7c8 | 3841 | VTYNL); |
65efcfce LB |
3842 | first_l2 = 0; |
3843 | } | |
3844 | snprintf (buf, BUFSIZ, "L2VPN LNI=%u", lni); | |
0aa9c36c | 3845 | rfapiShowImportTable (vty, buf, it->imported_vpn[AFI_L2VPN], 1); |
65efcfce LB |
3846 | } |
3847 | } | |
3848 | } | |
3849 | ||
3850 | rfapiShowImportTable (vty, "CE IT - IP VPN", | |
3851 | h->it_ce->imported_vpn[AFI_IP], 1); | |
3852 | ||
3853 | return CMD_SUCCESS; | |
3854 | } | |
3855 | ||
3856 | DEFUN (debug_rfapi_show_import_vn_un, | |
3857 | debug_rfapi_show_import_vn_un_cmd, | |
034d2de2 | 3858 | "debug rfapi-dev show import vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
3859 | DEBUG_STR |
3860 | DEBUG_RFAPI_STR | |
3861 | SHOW_STR | |
3862 | "import\n" | |
3863 | "indicate vn addr follows\n" | |
034d2de2 DS |
3864 | "virtual network interface IPv4 address\n" |
3865 | "virtual network interface IPv6 address\n" | |
3866 | "indicate xt addr follows\n" | |
3867 | "underlay network interface IPv4 address\n" | |
3868 | "underlay network interface IPv6 address\n") | |
65efcfce LB |
3869 | { |
3870 | struct rfapi_ip_addr vn; | |
3871 | struct rfapi_ip_addr un; | |
3872 | rfapi_handle handle; | |
3873 | int rc; | |
3874 | struct rfapi_descriptor *rfd; | |
3875 | ||
3876 | /* | |
3877 | * Get VN addr | |
3878 | */ | |
aed3273f | 3879 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[5]->arg, &vn))) |
65efcfce LB |
3880 | return rc; |
3881 | ||
3882 | ||
3883 | /* | |
3884 | * Get UN addr | |
3885 | */ | |
aed3273f | 3886 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[7]->arg, &un))) |
65efcfce LB |
3887 | return rc; |
3888 | ||
3889 | ||
3890 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3891 | { | |
96ade3ed QY |
3892 | vty_outln (vty, "can't locate handle matching vn=%s, un=%s", |
3893 | argv[5]->arg, argv[7]->arg); | |
f1a05de9 | 3894 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3895 | } |
3896 | ||
3897 | rfd = (struct rfapi_descriptor *) handle; | |
3898 | ||
3899 | rfapiShowImportTable (vty, "IP VPN", | |
3900 | rfd->import_table->imported_vpn[AFI_IP], 1); | |
3901 | rfapiShowImportTable (vty, "IP ENCAP", | |
3902 | rfd->import_table->imported_encap[AFI_IP], 0); | |
3903 | rfapiShowImportTable (vty, "IP6 VPN", | |
3904 | rfd->import_table->imported_vpn[AFI_IP6], 1); | |
3905 | rfapiShowImportTable (vty, "IP6 ENCAP", | |
3906 | rfd->import_table->imported_encap[AFI_IP6], 0); | |
3907 | ||
3908 | return CMD_SUCCESS; | |
3909 | } | |
3910 | ||
3911 | DEFUN (debug_rfapi_response_omit_self, | |
3912 | debug_rfapi_response_omit_self_cmd, | |
034d2de2 | 3913 | "debug rfapi-dev response-omit-self <on|off>", |
65efcfce LB |
3914 | DEBUG_STR |
3915 | DEBUG_RFAPI_STR | |
3916 | "Omit self in RFP responses\n" | |
3917 | "filter out self from responses\n" "leave self in responses\n") | |
3918 | { | |
3919 | struct bgp *bgp = bgp_get_default (); | |
3920 | ||
3921 | if (!bgp) | |
3922 | { | |
96ade3ed | 3923 | vty_outln (vty, "No BGP process is configured"); |
f1a05de9 | 3924 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3925 | } |
3926 | if (!bgp->rfapi_cfg) | |
3927 | { | |
96ade3ed | 3928 | vty_outln (vty, "VNC not configured"); |
f1a05de9 | 3929 | return CMD_WARNING_CONFIG_FAILED; |
65efcfce LB |
3930 | } |
3931 | ||
7e045c3d | 3932 | if (strmatch(argv[3]->text, "on")) |
65efcfce LB |
3933 | SET_FLAG (bgp->rfapi_cfg->flags, BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); |
3934 | else | |
3935 | UNSET_FLAG (bgp->rfapi_cfg->flags, BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3936 | ||
3937 | return CMD_SUCCESS; | |
3938 | } | |
3939 | ||
3940 | ||
3941 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
3942 | ||
f8b6f499 | 3943 | #include "lib/skiplist.h" |
65efcfce LB |
3944 | DEFUN (skiplist_test_cli, |
3945 | skiplist_test_cli_cmd, | |
3946 | "skiplist test", | |
3947 | "skiplist command\n" | |
3948 | "test\n") | |
3949 | { | |
3950 | skiplist_test (vty); | |
3951 | ||
3952 | return CMD_SUCCESS; | |
3953 | } | |
3954 | ||
3955 | DEFUN (skiplist_debug_cli, | |
3956 | skiplist_debug_cli_cmd, | |
3957 | "skiplist debug", | |
3958 | "skiplist command\n" | |
3959 | "debug\n") | |
3960 | { | |
3961 | skiplist_debug (vty, NULL); | |
3962 | return CMD_SUCCESS; | |
3963 | } | |
3964 | ||
3965 | #endif /* RFAPI_DEBUG_SKIPLIST_CLI */ | |
3966 | ||
3967 | void | |
3968 | rfapi_init (void) | |
3969 | { | |
3970 | bgp_rfapi_cfg_init (); | |
3971 | vnc_debug_init(); | |
3972 | ||
3973 | install_element (ENABLE_NODE, &debug_rfapi_show_import_cmd); | |
3974 | install_element (ENABLE_NODE, &debug_rfapi_show_import_vn_un_cmd); | |
3975 | ||
3976 | install_element (ENABLE_NODE, &debug_rfapi_open_cmd); | |
3977 | install_element (ENABLE_NODE, &debug_rfapi_close_vn_un_cmd); | |
3978 | install_element (ENABLE_NODE, &debug_rfapi_close_rfd_cmd); | |
3979 | install_element (ENABLE_NODE, &debug_rfapi_register_vn_un_cmd); | |
3980 | install_element (ENABLE_NODE, &debug_rfapi_unregister_vn_un_cmd); | |
3981 | install_element (ENABLE_NODE, &debug_rfapi_query_vn_un_cmd); | |
3982 | install_element (ENABLE_NODE, &debug_rfapi_query_vn_un_done_cmd); | |
3983 | install_element (ENABLE_NODE, &debug_rfapi_query_vn_un_l2o_cmd); | |
3984 | ||
3985 | install_element (ENABLE_NODE, &debug_rfapi_response_omit_self_cmd); | |
3986 | ||
3987 | /* Need the following show commands for gpz test scripts */ | |
3988 | install_element (ENABLE_NODE, &debug_rfapi_show_nves_cmd); | |
3989 | install_element (ENABLE_NODE, &debug_rfapi_show_nves_vn_un_cmd); | |
3990 | install_element (ENABLE_NODE, &debug_rfapi_register_vn_un_l2o_cmd); | |
3991 | ||
3992 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
3993 | install_element (ENABLE_NODE, &skiplist_test_cli_cmd); | |
3994 | install_element (ENABLE_NODE, &skiplist_debug_cli_cmd); | |
3995 | #endif | |
3996 | ||
3997 | rfapi_vty_init (); | |
3998 | } | |
3999 | ||
4000 | #ifdef DEBUG_RFAPI | |
4001 | static void | |
4002 | rfapi_print_exported (struct bgp *bgp) | |
4003 | { | |
4004 | struct bgp_node *rdn; | |
4005 | struct bgp_node *rn; | |
4006 | struct bgp_info *bi; | |
4007 | ||
4008 | if (!bgp) | |
4009 | return; | |
4010 | ||
4011 | for (rdn = bgp_table_top (bgp->rib[AFI_IP][SAFI_MPLS_VPN]); rdn; | |
4012 | rdn = bgp_route_next (rdn)) | |
4013 | { | |
4014 | if (!rdn->info) | |
4015 | continue; | |
4016 | fprintf (stderr, "%s: vpn rdn=%p\n", __func__, rdn); | |
4017 | for (rn = bgp_table_top (rdn->info); rn; rn = bgp_route_next (rn)) | |
4018 | { | |
4019 | if (!rn->info) | |
4020 | continue; | |
4021 | fprintf (stderr, "%s: rn=%p\n", __func__, rn); | |
4022 | for (bi = rn->info; bi; bi = bi->next) | |
4023 | { | |
4024 | rfapiPrintBi ((void *) 2, bi); /* 2 => stderr */ | |
4025 | } | |
4026 | } | |
4027 | } | |
4028 | for (rdn = bgp_table_top (bgp->rib[AFI_IP][SAFI_ENCAP]); rdn; | |
4029 | rdn = bgp_route_next (rdn)) | |
4030 | { | |
4031 | if (!rdn->info) | |
4032 | continue; | |
4033 | fprintf (stderr, "%s: encap rdn=%p\n", __func__, rdn); | |
4034 | for (rn = bgp_table_top (rdn->info); rn; rn = bgp_route_next (rn)) | |
4035 | { | |
4036 | if (!rn->info) | |
4037 | continue; | |
4038 | fprintf (stderr, "%s: rn=%p\n", __func__, rn); | |
4039 | for (bi = rn->info; bi; bi = bi->next) | |
4040 | { | |
4041 | rfapiPrintBi ((void *) 2, bi); /* 2 => stderr */ | |
4042 | } | |
4043 | } | |
4044 | } | |
4045 | ||
4046 | } | |
4047 | #endif /* defined(DEBUG_RFAPI) */ | |
4048 | ||
4049 | /* | |
4050 | * Free all memory to prepare for clean exit as seen by valgrind memcheck | |
4051 | */ | |
4052 | void | |
4053 | rfapi_delete (struct bgp *bgp) | |
4054 | { | |
4055 | extern void rfp_clear_vnc_nve_all (void); /* can't fix correctly yet */ | |
4056 | ||
4057 | /* | |
4058 | * This clears queries and registered routes, and closes nves | |
4059 | */ | |
4060 | if (bgp->rfapi) | |
4061 | rfp_clear_vnc_nve_all (); | |
4062 | bgp_rfapi_cfg_destroy (bgp, bgp->rfapi_cfg); | |
4063 | bgp->rfapi_cfg = NULL; | |
4064 | bgp_rfapi_destroy (bgp, bgp->rfapi); | |
4065 | bgp->rfapi = NULL; | |
4066 | #ifdef DEBUG_RFAPI | |
4067 | /* | |
4068 | * show what's left in the BGP MPLSVPN RIB | |
4069 | */ | |
4070 | rfapi_print_exported (bgp); | |
4071 | #endif | |
4072 | ||
4073 | } | |
4074 | ||
4075 | int | |
4076 | rfapi_set_autord_from_vn (struct prefix_rd *rd, struct rfapi_ip_addr *vn) | |
4077 | { | |
a3b55c25 | 4078 | vnc_zlog_debug_verbose ("%s: auto-assigning RD", __func__); |
65efcfce LB |
4079 | if (vn->addr_family != AF_INET |
4080 | && vn->addr_family != AF_INET6) | |
4081 | { | |
a3b55c25 | 4082 | vnc_zlog_debug_verbose ("%s: can't auto-assign RD, VN addr family is not IPv4" |
65efcfce LB |
4083 | "|v6" |
4084 | , __func__); | |
4085 | return EAFNOSUPPORT; | |
4086 | } | |
4087 | rd->family = AF_UNSPEC; | |
4088 | rd->prefixlen = 64; | |
4089 | rd->val[1] = RD_TYPE_IP; | |
4090 | if (vn->addr_family == AF_INET) | |
4091 | { | |
4092 | memcpy (rd->val + 2, &vn->addr.v4.s_addr, 4); | |
4093 | } | |
4094 | else | |
4095 | { /* is v6 */ | |
4096 | memcpy (rd->val + 2, &vn->addr.v6.s6_addr32[3], 4);/* low order 4 bytes */ | |
4097 | } | |
4098 | { | |
4099 | char buf[BUFSIZ]; | |
4100 | buf[0] = 0; | |
4101 | prefix_rd2str (rd, buf, BUFSIZ); | |
4102 | buf[BUFSIZ - 1] = 0; | |
a3b55c25 | 4103 | vnc_zlog_debug_verbose ("%s: auto-RD is set to %s", __func__, buf); |
65efcfce LB |
4104 | } |
4105 | return 0; | |
4106 | } | |
4107 | ||
4108 | /*------------------------------------------ | |
4109 | * rfapi_bgp_lookup_by_rfp | |
4110 | * | |
4111 | * Find bgp instance pointer based on value returned by rfp_start | |
4112 | * | |
4113 | * input: | |
4114 | * rfp_start_val value returned by rfp_startor | |
4115 | * NULL (=get default instance) | |
4116 | * | |
4117 | * output: | |
4118 | * none | |
4119 | * | |
4120 | * return value: | |
4121 | * bgp bgp instance pointer | |
4122 | * NULL = not found | |
4123 | * | |
4124 | --------------------------------------------*/ | |
4125 | struct bgp * | |
4126 | rfapi_bgp_lookup_by_rfp (void *rfp_start_val) | |
4127 | { | |
4128 | struct bgp *bgp = NULL; | |
4129 | struct listnode *node, *nnode; | |
4130 | ||
4131 | if (rfp_start_val == NULL) | |
4132 | bgp = bgp_get_default (); | |
4133 | else | |
4134 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) | |
4135 | if (bgp->rfapi != NULL && bgp->rfapi->rfp == rfp_start_val) | |
4136 | return bgp; | |
4137 | return bgp; | |
4138 | } | |
4139 | ||
4140 | /*------------------------------------------ | |
4141 | * rfapi_get_rfp_start_val_by_bgp | |
4142 | * | |
4143 | * Find bgp instance pointer based on value returned by rfp_start | |
4144 | * | |
4145 | * input: | |
4146 | * bgp bgp instance pointer | |
4147 | * | |
4148 | * output: | |
4149 | * none | |
4150 | * | |
4151 | * return value: | |
4152 | * rfp_start_val | |
4153 | * NULL = not found | |
4154 | * | |
4155 | --------------------------------------------*/ | |
4156 | void * | |
4157 | rfapi_get_rfp_start_val_by_bgp (struct bgp *bgp) | |
4158 | { | |
4159 | if (!bgp || !bgp->rfapi) | |
4160 | return NULL; | |
4161 | return bgp->rfapi->rfp; | |
4162 | } | |
4163 | ||
4164 | /*********************************************************************** | |
4165 | * RFP group specific configuration | |
4166 | ***********************************************************************/ | |
4167 | static void * | |
4168 | rfapi_rfp_get_or_init_group_config_default ( | |
4169 | struct rfapi_cfg *rfc, | |
4170 | struct vty *vty, | |
4171 | uint32_t size) | |
4172 | { | |
4173 | if (rfc->default_rfp_cfg == NULL && size > 0) | |
4174 | { | |
4175 | rfc->default_rfp_cfg = XCALLOC (MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
a3b55c25 | 4176 | vnc_zlog_debug_verbose ("%s: allocated, size=%d", __func__, size); |
65efcfce LB |
4177 | |
4178 | } | |
4179 | return rfc->default_rfp_cfg; | |
4180 | } | |
4181 | ||
4182 | static void * | |
4183 | rfapi_rfp_get_or_init_group_config_nve ( | |
4184 | struct rfapi_cfg *rfc, | |
4185 | struct vty *vty, | |
4186 | uint32_t size) | |
4187 | { | |
608ef8c7 | 4188 | struct rfapi_nve_group_cfg *rfg = VTY_GET_CONTEXT_SUB(rfapi_nve_group_cfg); |
65efcfce LB |
4189 | |
4190 | /* make sure group is still in list */ | |
608ef8c7 | 4191 | if (!rfg || !listnode_lookup (rfc->nve_groups_sequential, rfg)) |
65efcfce LB |
4192 | { |
4193 | /* Not in list anymore */ | |
96ade3ed | 4194 | vty_outln (vty, "Current NVE group no longer exists"); |
65efcfce LB |
4195 | return NULL; |
4196 | } | |
4197 | ||
4198 | if (rfg->rfp_cfg == NULL && size > 0) | |
4199 | { | |
4200 | rfg->rfp_cfg = XCALLOC (MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
a3b55c25 | 4201 | vnc_zlog_debug_verbose ("%s: allocated, size=%d", __func__, size); |
65efcfce LB |
4202 | |
4203 | } | |
4204 | return rfg->rfp_cfg; | |
4205 | } | |
4206 | ||
4207 | static void * | |
4208 | rfapi_rfp_get_or_init_group_config_l2 ( | |
4209 | struct rfapi_cfg *rfc, | |
4210 | struct vty *vty, | |
4211 | uint32_t size) | |
4212 | { | |
608ef8c7 | 4213 | struct rfapi_l2_group_cfg *rfg = VTY_GET_CONTEXT_SUB(rfapi_l2_group_cfg); |
65efcfce LB |
4214 | |
4215 | /* make sure group is still in list */ | |
608ef8c7 | 4216 | if (!rfg || !listnode_lookup (rfc->l2_groups, rfg)) |
65efcfce LB |
4217 | { |
4218 | /* Not in list anymore */ | |
96ade3ed | 4219 | vty_outln (vty, "Current L2 group no longer exists"); |
65efcfce LB |
4220 | return NULL; |
4221 | } | |
4222 | if (rfg->rfp_cfg == NULL && size > 0) | |
4223 | { | |
4224 | rfg->rfp_cfg = XCALLOC (MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
a3b55c25 | 4225 | vnc_zlog_debug_verbose ("%s: allocated, size=%d", __func__, size); |
65efcfce LB |
4226 | |
4227 | } | |
4228 | return rfg->rfp_cfg; | |
4229 | } | |
4230 | ||
4231 | /*------------------------------------------ | |
4232 | * rfapi_rfp_init_group_config_ptr_vty | |
4233 | * | |
4234 | * This is used to init or return a previously init'ed group specific | |
4235 | * configuration pointer. Group is identified by vty context. | |
4236 | * NOTE: size is ignored when a previously init'ed value is returned. | |
4237 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4238 | * bgp restart or shutdown. | |
4239 | * | |
4240 | * input: | |
4241 | * rfp_start_val value returned by rfp_start | |
4242 | * type group type | |
4243 | * vty quagga vty context | |
4244 | * size number of bytes to allocation | |
4245 | * | |
4246 | * output: | |
4247 | * none | |
4248 | * | |
4249 | * return value: | |
4250 | * rfp_cfg_group NULL or Pointer to configuration structure | |
4251 | --------------------------------------------*/ | |
4252 | void * | |
4253 | rfapi_rfp_init_group_config_ptr_vty ( | |
4254 | void *rfp_start_val, | |
4255 | rfapi_rfp_cfg_group_type type, | |
4256 | struct vty *vty, | |
4257 | uint32_t size) | |
4258 | { | |
4259 | struct bgp *bgp; | |
4260 | void *ret = NULL; | |
4261 | ||
4262 | if (rfp_start_val == NULL || vty == NULL) | |
4263 | return NULL; | |
4264 | ||
4265 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
608ef8c7 | 4266 | if (!bgp || !bgp->rfapi_cfg) |
65efcfce LB |
4267 | return NULL; |
4268 | ||
4269 | switch (type) | |
4270 | { | |
4271 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
4272 | ret = rfapi_rfp_get_or_init_group_config_default (bgp->rfapi_cfg, | |
4273 | vty, size); | |
4274 | break; | |
4275 | case RFAPI_RFP_CFG_GROUP_NVE: | |
4276 | ret = rfapi_rfp_get_or_init_group_config_nve (bgp->rfapi_cfg, | |
4277 | vty, size); | |
4278 | break; | |
4279 | case RFAPI_RFP_CFG_GROUP_L2: | |
4280 | ret = rfapi_rfp_get_or_init_group_config_l2 (bgp->rfapi_cfg, vty, size); | |
4281 | break; | |
4282 | default: | |
4283 | zlog_err ("%s: Unknown group type=%d", __func__, type); | |
4284 | /* should never happen */ | |
4285 | assert ("Unknown type" == NULL); | |
4286 | break; | |
4287 | } | |
4288 | return ret; | |
4289 | } | |
4290 | ||
4291 | /*------------------------------------------ | |
4292 | * rfapi_rfp_get_group_config_ptr_vty | |
4293 | * | |
4294 | * This is used to get group specific configuration pointer. | |
4295 | * Group is identified by type and vty context. | |
4296 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4297 | * bgp restart or shutdown. | |
4298 | * | |
4299 | * input: | |
4300 | * rfp_start_val value returned by rfp_start | |
4301 | * type group type | |
4302 | * vty quagga vty context | |
4303 | * | |
4304 | * output: | |
4305 | * none | |
4306 | * | |
4307 | * return value: | |
4308 | * rfp_cfg_group Pointer to configuration structure | |
4309 | --------------------------------------------*/ | |
4310 | void * | |
4311 | rfapi_rfp_get_group_config_ptr_vty ( | |
4312 | void *rfp_start_val, | |
4313 | rfapi_rfp_cfg_group_type type, | |
4314 | struct vty *vty) | |
4315 | { | |
4316 | return rfapi_rfp_init_group_config_ptr_vty (rfp_start_val, type, vty, 0); | |
4317 | } | |
4318 | ||
4319 | static void * | |
4320 | rfapi_rfp_get_group_config_name_nve ( | |
4321 | struct rfapi_cfg *rfc, | |
4322 | const char *name, | |
4323 | void *criteria, | |
4324 | rfp_group_config_search_cb_t *search_cb) | |
4325 | { | |
4326 | struct rfapi_nve_group_cfg *rfg; | |
4327 | struct listnode *node; | |
4328 | ||
4329 | for (ALL_LIST_ELEMENTS_RO (rfc->nve_groups_sequential, node, rfg)) | |
4330 | { | |
4331 | if (!strcmp (rfg->name, name) && /* name match */ | |
4332 | (search_cb == NULL || !search_cb (criteria, rfg->rfp_cfg))) | |
4333 | return rfg->rfp_cfg; | |
4334 | } | |
4335 | return NULL; | |
4336 | } | |
4337 | ||
4338 | static void * | |
4339 | rfapi_rfp_get_group_config_name_l2 ( | |
4340 | struct rfapi_cfg *rfc, | |
4341 | const char *name, | |
4342 | void *criteria, | |
4343 | rfp_group_config_search_cb_t *search_cb) | |
4344 | { | |
4345 | struct rfapi_l2_group_cfg *rfg; | |
4346 | struct listnode *node; | |
4347 | ||
4348 | for (ALL_LIST_ELEMENTS_RO (rfc->l2_groups, node, rfg)) | |
4349 | { | |
4350 | if (!strcmp (rfg->name, name) && /* name match */ | |
4351 | (search_cb == NULL || !search_cb (criteria, rfg->rfp_cfg))) | |
4352 | return rfg->rfp_cfg; | |
4353 | } | |
4354 | return NULL; | |
4355 | } | |
4356 | ||
4357 | /*------------------------------------------ | |
4358 | * rfapi_rfp_get_group_config_ptr_name | |
4359 | * | |
4360 | * This is used to get group specific configuration pointer. | |
4361 | * Group is identified by type and name context. | |
4362 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4363 | * bgp restart or shutdown. | |
4364 | * | |
4365 | * input: | |
4366 | * rfp_start_val value returned by rfp_start | |
4367 | * type group type | |
4368 | * name group name | |
4369 | * criteria RFAPI caller provided serach criteria | |
4370 | * search_cb optional rfp_group_config_search_cb_t | |
4371 | * | |
4372 | * output: | |
4373 | * none | |
4374 | * | |
4375 | * return value: | |
4376 | * rfp_cfg_group Pointer to configuration structure | |
4377 | --------------------------------------------*/ | |
4378 | void * | |
4379 | rfapi_rfp_get_group_config_ptr_name ( | |
4380 | void *rfp_start_val, | |
4381 | rfapi_rfp_cfg_group_type type, | |
4382 | const char *name, | |
4383 | void *criteria, | |
4384 | rfp_group_config_search_cb_t *search_cb) | |
4385 | { | |
4386 | struct bgp *bgp; | |
4387 | void *ret = NULL; | |
4388 | ||
4389 | if (rfp_start_val == NULL || name == NULL) | |
4390 | return NULL; | |
4391 | ||
4392 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
4393 | if (!bgp || !bgp->rfapi_cfg) | |
4394 | return NULL; | |
4395 | ||
4396 | switch (type) | |
4397 | { | |
4398 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
4399 | ret = bgp->rfapi_cfg->default_rfp_cfg; | |
4400 | break; | |
4401 | case RFAPI_RFP_CFG_GROUP_NVE: | |
4402 | ret = rfapi_rfp_get_group_config_name_nve (bgp->rfapi_cfg, | |
4403 | name, criteria, search_cb); | |
4404 | break; | |
4405 | case RFAPI_RFP_CFG_GROUP_L2: | |
4406 | ret = rfapi_rfp_get_group_config_name_l2 (bgp->rfapi_cfg, | |
4407 | name, criteria, search_cb); | |
4408 | break; | |
4409 | default: | |
4410 | zlog_err ("%s: Unknown group type=%d", __func__, type); | |
4411 | /* should never happen */ | |
4412 | assert ("Unknown type" == NULL); | |
4413 | break; | |
4414 | } | |
4415 | return ret; | |
4416 | } | |
4417 | ||
4418 | /*------------------------------------------ | |
4419 | * rfapi_rfp_get_l2_group_config_ptr_lni | |
4420 | * | |
4421 | * This is used to get group specific configuration pointer. | |
4422 | * Group is identified by type and logical network identifier. | |
4423 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4424 | * bgp restart or shutdown. | |
4425 | * | |
4426 | * input: | |
4427 | * rfp_start_val value returned by rfp_start | |
4428 | * type group type | |
4429 | * logical_net_id group logical network identifier | |
4430 | * criteria RFAPI caller provided serach criteria | |
4431 | * search_cb optional rfp_group_config_search_cb_t | |
4432 | * | |
4433 | * output: | |
4434 | * none | |
4435 | * | |
4436 | * return value: | |
4437 | * rfp_cfg_group Pointer to configuration structure | |
4438 | --------------------------------------------*/ | |
4439 | void * | |
4440 | rfapi_rfp_get_l2_group_config_ptr_lni ( | |
4441 | void *rfp_start_val, | |
4442 | uint32_t logical_net_id, | |
4443 | void *criteria, | |
4444 | rfp_group_config_search_cb_t *search_cb) | |
4445 | { | |
4446 | struct bgp *bgp; | |
4447 | struct rfapi_l2_group_cfg *rfg; | |
4448 | struct listnode *node; | |
4449 | ||
4450 | if (rfp_start_val == NULL) | |
4451 | return NULL; | |
4452 | ||
4453 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
4454 | if (!bgp || !bgp->rfapi_cfg) | |
4455 | return NULL; | |
4456 | ||
4457 | for (ALL_LIST_ELEMENTS_RO (bgp->rfapi_cfg->l2_groups, node, rfg)) | |
4458 | { | |
4459 | if (rfg->logical_net_id == logical_net_id && | |
4460 | (search_cb == NULL || !search_cb (criteria, rfg->rfp_cfg))) | |
4461 | { | |
4462 | if (rfg->rfp_cfg == NULL) | |
a3b55c25 | 4463 | vnc_zlog_debug_verbose ("%s: returning rfp group config for lni=0", __func__); |
65efcfce LB |
4464 | return rfg->rfp_cfg; |
4465 | } | |
4466 | } | |
4467 | return NULL; | |
4468 | } |