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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 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | * | |
20 | */ | |
21 | ||
22 | ||
23 | #include <errno.h> | |
24 | ||
f8b6f499 LB |
25 | #include "lib/zebra.h" |
26 | #include "lib/prefix.h" | |
27 | #include "lib/table.h" | |
28 | #include "lib/vty.h" | |
29 | #include "lib/memory.h" | |
30 | #include "lib/routemap.h" | |
31 | #include "lib/log.h" | |
32 | #include "lib/linklist.h" | |
33 | #include "lib/command.h" | |
34 | #include "lib/stream.h" | |
35 | ||
36 | #include "bgpd/bgpd.h" | |
37 | #include "bgpd/bgp_ecommunity.h" | |
38 | #include "bgpd/bgp_attr.h" | |
39 | #include "bgpd/bgp_mplsvpn.h" | |
40 | ||
41 | #include "bgpd/rfapi/bgp_rfapi_cfg.h" | |
42 | #include "bgpd/rfapi/rfapi.h" | |
43 | #include "bgpd/rfapi/rfapi_backend.h" | |
44 | ||
45 | #include "bgpd/bgp_route.h" | |
46 | #include "bgpd/bgp_aspath.h" | |
47 | #include "bgpd/bgp_advertise.h" | |
48 | #include "bgpd/bgp_vnc_types.h" | |
49 | #include "bgpd/bgp_zebra.h" | |
50 | ||
51 | #include "bgpd/rfapi/rfapi_import.h" | |
52 | #include "bgpd/rfapi/rfapi_private.h" | |
53 | #include "bgpd/rfapi/rfapi_monitor.h" | |
54 | #include "bgpd/rfapi/rfapi_vty.h" | |
55 | #include "bgpd/rfapi/vnc_export_bgp.h" | |
56 | #include "bgpd/rfapi/vnc_export_bgp_p.h" | |
57 | #include "bgpd/rfapi/vnc_zebra.h" | |
58 | #include "bgpd/rfapi/vnc_import_bgp.h" | |
59 | #include "bgpd/rfapi/rfapi_rib.h" | |
60 | #include "bgpd/rfapi/rfapi_ap.h" | |
61 | #include "bgpd/rfapi/rfapi_encap_tlv.h" | |
62 | #include "bgpd/rfapi/vnc_debug.h" | |
65efcfce LB |
63 | |
64 | #ifdef HAVE_GLIBC_BACKTRACE | |
65 | /* for backtrace and friends */ | |
66 | #include <execinfo.h> | |
67 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
68 | ||
69 | struct ethaddr rfapi_ethaddr0 = { {0} }; | |
70 | ||
71 | #define DEBUG_RFAPI_STR "RF API debugging/testing command\n" | |
72 | ||
73 | const char * | |
74 | rfapi_error_str (int code) | |
75 | { | |
76 | switch (code) | |
77 | { | |
78 | case 0: | |
79 | return "Success"; | |
80 | case ENXIO: | |
81 | return "BGP or VNC not configured"; | |
82 | case ENOENT: | |
83 | return "No match"; | |
84 | case EEXIST: | |
85 | return "Handle already open"; | |
86 | case ENOMSG: | |
87 | return "Incomplete configuration"; | |
88 | case EAFNOSUPPORT: | |
89 | return "Invalid address family"; | |
90 | case EDEADLK: | |
91 | return "Called from within a callback procedure"; | |
92 | case EBADF: | |
93 | return "Invalid handle"; | |
94 | case EINVAL: | |
95 | return "Invalid argument"; | |
96 | case ESTALE: | |
97 | return "Stale descriptor"; | |
98 | default: | |
99 | return "Unknown error"; | |
100 | } | |
101 | } | |
102 | ||
103 | /*------------------------------------------ | |
104 | * rfapi_get_response_lifetime_default | |
105 | * | |
106 | * Returns the default lifetime for a response. | |
107 | * rfp_start_val value returned by rfp_start or | |
108 | * NULL (=use default instance) | |
109 | * | |
110 | * input: | |
111 | * None | |
112 | * | |
113 | * output: | |
114 | * | |
115 | * return value: The bgp instance default lifetime for a response. | |
116 | --------------------------------------------*/ | |
117 | int | |
118 | rfapi_get_response_lifetime_default (void *rfp_start_val) | |
119 | { | |
120 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
121 | if (bgp) | |
122 | return bgp->rfapi_cfg->default_response_lifetime; | |
123 | return BGP_VNC_DEFAULT_RESPONSE_LIFETIME_DEFAULT; | |
124 | } | |
125 | ||
126 | /*------------------------------------------ | |
127 | * rfapi_is_vnc_configured | |
128 | * | |
129 | * Returns if VNC (BGP VPN messaging /VPN & encap SAFIs) are configured | |
130 | * | |
131 | * input: | |
132 | * rfp_start_val value returned by rfp_start or | |
133 | * NULL (=use default instance) | |
134 | * | |
135 | * output: | |
136 | * | |
137 | * return value: If VNC is configured for the bgpd instance | |
138 | * 0 Success | |
139 | * ENXIO VNC not configured | |
140 | --------------------------------------------*/ | |
141 | int | |
142 | rfapi_is_vnc_configured (void *rfp_start_val) | |
143 | { | |
144 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
145 | return bgp_rfapi_is_vnc_configured (bgp); | |
146 | } | |
147 | ||
148 | ||
149 | /*------------------------------------------ | |
150 | * rfapi_get_vn_addr | |
151 | * | |
152 | * Get the virtual network address used by an NVE based on it's RFD | |
153 | * | |
154 | * input: | |
155 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic | |
156 | * | |
157 | * output: | |
158 | * | |
159 | * return value: | |
160 | * vn NVE virtual network address | |
161 | *------------------------------------------*/ | |
162 | struct rfapi_ip_addr * | |
163 | rfapi_get_vn_addr (void *rfd) | |
164 | { | |
165 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *) rfd; | |
166 | return &rrfd->vn_addr; | |
167 | } | |
168 | ||
169 | /*------------------------------------------ | |
170 | * rfapi_get_un_addr | |
171 | * | |
172 | * Get the underlay network address used by an NVE based on it's RFD | |
173 | * | |
174 | * input: | |
175 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic | |
176 | * | |
177 | * output: | |
178 | * | |
179 | * return value: | |
180 | * un NVE underlay network address | |
181 | *------------------------------------------*/ | |
182 | struct rfapi_ip_addr * | |
183 | rfapi_get_un_addr (void *rfd) | |
184 | { | |
185 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *) rfd; | |
186 | return &rrfd->un_addr; | |
187 | } | |
188 | ||
189 | int | |
190 | rfapi_ip_addr_cmp (struct rfapi_ip_addr *a1, struct rfapi_ip_addr *a2) | |
191 | { | |
192 | if (a1->addr_family != a2->addr_family) | |
193 | return a1->addr_family - a2->addr_family; | |
194 | ||
195 | if (a1->addr_family == AF_INET) | |
196 | { | |
197 | return IPV4_ADDR_CMP (&a1->addr.v4, &a2->addr.v4); | |
198 | } | |
199 | ||
200 | if (a1->addr_family == AF_INET6) | |
201 | { | |
202 | return IPV6_ADDR_CMP (&a1->addr.v6, &a2->addr.v6); | |
203 | } | |
204 | ||
205 | assert (1); | |
206 | /* NOTREACHED */ | |
207 | return 1; | |
208 | } | |
209 | ||
210 | static int | |
211 | rfapi_find_node ( | |
212 | struct bgp *bgp, | |
213 | struct rfapi_ip_addr *vn_addr, | |
214 | struct rfapi_ip_addr *un_addr, | |
215 | struct route_node **node) | |
216 | { | |
217 | struct rfapi *h; | |
218 | struct prefix p; | |
219 | struct route_node *rn; | |
220 | int rc; | |
221 | int afi; | |
222 | ||
223 | if (!bgp) | |
224 | { | |
225 | return ENXIO; | |
226 | } | |
227 | ||
228 | h = bgp->rfapi; | |
229 | if (!h) | |
230 | { | |
231 | return ENXIO; | |
232 | } | |
233 | ||
234 | afi = family2afi (un_addr->addr_family); | |
235 | if (!afi) | |
236 | { | |
237 | return EAFNOSUPPORT; | |
238 | } | |
239 | ||
240 | if ((rc = rfapiRaddr2Qprefix (un_addr, &p))) | |
241 | return rc; | |
242 | ||
243 | rn = route_node_lookup (&h->un[afi], &p); | |
244 | ||
245 | if (!rn) | |
246 | return ENOENT; | |
247 | ||
248 | route_unlock_node (rn); | |
249 | ||
250 | *node = rn; | |
251 | ||
252 | return 0; | |
253 | } | |
254 | ||
255 | ||
256 | int | |
257 | rfapi_find_rfd ( | |
258 | struct bgp *bgp, | |
259 | struct rfapi_ip_addr *vn_addr, | |
260 | struct rfapi_ip_addr *un_addr, | |
261 | struct rfapi_descriptor **rfd) | |
262 | { | |
263 | struct route_node *rn; | |
264 | int rc; | |
265 | ||
266 | rc = rfapi_find_node (bgp, vn_addr, un_addr, &rn); | |
267 | ||
268 | if (rc) | |
269 | return rc; | |
270 | ||
271 | for (*rfd = (struct rfapi_descriptor *) (rn->info); *rfd; | |
272 | *rfd = (*rfd)->next) | |
273 | { | |
274 | if (!rfapi_ip_addr_cmp (&(*rfd)->vn_addr, vn_addr)) | |
275 | break; | |
276 | } | |
277 | ||
278 | if (!*rfd) | |
279 | return ENOENT; | |
280 | ||
281 | return 0; | |
282 | } | |
283 | ||
284 | /*------------------------------------------ | |
285 | * rfapi_find_handle | |
286 | * | |
287 | * input: | |
288 | * un underlay network address | |
289 | * vn virtual network address | |
290 | * | |
291 | * output: | |
292 | * pHandle pointer to location to store handle | |
293 | * | |
294 | * return value: | |
295 | * 0 Success | |
296 | * ENOENT no matching handle | |
297 | * ENXIO BGP or VNC not configured | |
298 | *------------------------------------------*/ | |
299 | static int | |
300 | rfapi_find_handle ( | |
301 | struct bgp *bgp, | |
302 | struct rfapi_ip_addr *vn_addr, | |
303 | struct rfapi_ip_addr *un_addr, | |
304 | rfapi_handle *handle) | |
305 | { | |
306 | struct rfapi_descriptor **rfd; | |
307 | ||
308 | rfd = (struct rfapi_descriptor **) handle; | |
309 | ||
310 | return rfapi_find_rfd (bgp, vn_addr, un_addr, rfd); | |
311 | } | |
312 | ||
313 | static int | |
314 | rfapi_find_handle_vty ( | |
315 | struct vty *vty, | |
316 | struct rfapi_ip_addr *vn_addr, | |
317 | struct rfapi_ip_addr *un_addr, | |
318 | rfapi_handle *handle) | |
319 | { | |
320 | struct bgp *bgp; | |
321 | struct rfapi_descriptor **rfd; | |
322 | ||
323 | bgp = bgp_get_default (); /* assume 1 instance for now */ | |
324 | ||
325 | rfd = (struct rfapi_descriptor **) handle; | |
326 | ||
327 | return rfapi_find_rfd (bgp, vn_addr, un_addr, rfd); | |
328 | } | |
329 | ||
330 | static int | |
331 | is_valid_rfd (struct rfapi_descriptor *rfd) | |
332 | { | |
333 | rfapi_handle hh; | |
334 | ||
335 | if (!rfd || rfd->bgp == NULL) | |
336 | return 0; | |
337 | ||
338 | if (rfapi_find_handle (rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh)) | |
339 | return 0; | |
340 | ||
341 | if (rfd != hh) | |
342 | return 0; | |
343 | ||
344 | return 1; | |
345 | } | |
346 | ||
347 | /* | |
348 | * check status of descriptor | |
349 | */ | |
350 | int | |
351 | rfapi_check (void *handle) | |
352 | { | |
353 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
354 | rfapi_handle hh; | |
355 | int rc; | |
356 | ||
357 | if (!rfd || rfd->bgp == NULL) | |
358 | return EINVAL; | |
359 | ||
360 | if ((rc = rfapi_find_handle (rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh))) | |
361 | return rc; | |
362 | ||
363 | if (rfd != hh) | |
364 | return ENOENT; | |
365 | ||
366 | if (!rfd->rfg) | |
367 | return ESTALE; | |
368 | ||
369 | return 0; | |
370 | } | |
371 | ||
372 | ||
373 | ||
374 | void | |
375 | del_vnc_route ( | |
376 | struct rfapi_descriptor *rfd, | |
377 | struct peer *peer, /* rfd->peer for RFP regs */ | |
378 | struct bgp *bgp, | |
379 | safi_t safi, | |
380 | struct prefix *p, | |
381 | struct prefix_rd *prd, | |
382 | uint8_t type, | |
383 | uint8_t sub_type, | |
384 | struct rfapi_nexthop *lnh, | |
385 | int kill) | |
386 | { | |
387 | afi_t afi; /* of the VN address */ | |
388 | struct bgp_node *bn; | |
389 | struct bgp_info *bi; | |
390 | char buf[BUFSIZ]; | |
391 | char buf2[BUFSIZ]; | |
392 | struct prefix_rd prd0; | |
393 | ||
394 | prefix2str (p, buf, BUFSIZ); | |
395 | buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ | |
396 | ||
397 | prefix_rd2str (prd, buf2, BUFSIZ); | |
398 | buf2[BUFSIZ - 1] = 0; | |
399 | ||
400 | afi = family2afi (p->family); | |
401 | assert (afi == AFI_IP || afi == AFI_IP6); | |
402 | ||
403 | if (safi == SAFI_ENCAP) | |
404 | { | |
405 | memset (&prd0, 0, sizeof (prd0)); | |
406 | prd0.family = AF_UNSPEC; | |
407 | prd0.prefixlen = 64; | |
408 | prd = &prd0; | |
409 | } | |
410 | bn = bgp_afi_node_get (bgp->rib[afi][safi], afi, safi, p, prd); | |
411 | ||
a3b55c25 | 412 | vnc_zlog_debug_verbose |
65efcfce LB |
413 | ("%s: peer=%p, prefix=%s, prd=%s afi=%d, safi=%d bn=%p, bn->info=%p", |
414 | __func__, peer, buf, buf2, afi, safi, bn, (bn ? bn->info : NULL)); | |
415 | ||
416 | for (bi = (bn ? bn->info : NULL); bi; bi = bi->next) | |
417 | { | |
418 | ||
a3b55c25 | 419 | vnc_zlog_debug_verbose |
65efcfce LB |
420 | ("%s: trying bi=%p, bi->peer=%p, bi->type=%d, bi->sub_type=%d, bi->extra->vnc.export.rfapi_handle=%p", |
421 | __func__, bi, bi->peer, bi->type, bi->sub_type, | |
422 | (bi->extra ? bi->extra->vnc.export.rfapi_handle : NULL)); | |
423 | ||
424 | if (bi->peer == peer && | |
425 | bi->type == type && | |
426 | bi->sub_type == sub_type && | |
427 | bi->extra && bi->extra->vnc.export.rfapi_handle == (void *) rfd) | |
428 | { | |
429 | ||
a3b55c25 | 430 | vnc_zlog_debug_verbose ("%s: matched it", __func__); |
65efcfce LB |
431 | |
432 | break; | |
433 | } | |
434 | } | |
435 | ||
436 | if (lnh) | |
437 | { | |
438 | /* | |
439 | * lnh set means to JUST delete the local nexthop from this | |
440 | * route. Leave the route itself in place. | |
441 | * TBD add return code reporting of success/failure | |
442 | */ | |
443 | if (!bi || !bi->extra || !bi->extra->vnc.export.local_nexthops) | |
444 | { | |
445 | /* | |
446 | * no local nexthops | |
447 | */ | |
a3b55c25 | 448 | vnc_zlog_debug_verbose ("%s: lnh list already empty at prefix %s", |
65efcfce LB |
449 | __func__, buf); |
450 | goto done; | |
451 | } | |
452 | ||
453 | /* | |
454 | * look for it | |
455 | */ | |
456 | struct listnode *node; | |
457 | struct rfapi_nexthop *pLnh = NULL; | |
458 | ||
459 | for (ALL_LIST_ELEMENTS_RO (bi->extra->vnc.export.local_nexthops, | |
460 | node, pLnh)) | |
461 | { | |
462 | ||
463 | if (prefix_same (&pLnh->addr, &lnh->addr)) | |
464 | { | |
465 | break; | |
466 | } | |
467 | } | |
468 | ||
469 | if (pLnh) | |
470 | { | |
471 | listnode_delete (bi->extra->vnc.export.local_nexthops, pLnh); | |
472 | ||
473 | /* silly rabbit, listnode_delete doesn't invoke list->del on data */ | |
474 | rfapi_nexthop_free (pLnh); | |
475 | } | |
476 | else | |
477 | { | |
a3b55c25 | 478 | vnc_zlog_debug_verbose ("%s: desired lnh not found %s", __func__, buf); |
65efcfce LB |
479 | } |
480 | goto done; | |
481 | } | |
482 | ||
483 | /* | |
484 | * loop back to import tables | |
485 | * Do this before removing from BGP RIB because rfapiProcessWithdraw | |
486 | * might refer to it | |
487 | */ | |
488 | rfapiProcessWithdraw (peer, rfd, p, prd, NULL, afi, safi, type, kill); | |
489 | ||
490 | if (bi) | |
491 | { | |
492 | char buf[BUFSIZ]; | |
493 | ||
494 | prefix2str (p, buf, BUFSIZ); | |
495 | buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ | |
496 | ||
a3b55c25 | 497 | vnc_zlog_debug_verbose ("%s: Found route (safi=%d) to delete at prefix %s", |
65efcfce LB |
498 | __func__, safi, buf); |
499 | ||
500 | if (safi == SAFI_MPLS_VPN) | |
501 | { | |
502 | struct bgp_node *prn = NULL; | |
503 | struct bgp_table *table = NULL; | |
504 | ||
505 | prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); | |
506 | if (prn->info) | |
507 | { | |
508 | table = (struct bgp_table *) (prn->info); | |
509 | ||
510 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve (bgp, | |
511 | prd, | |
512 | table, | |
513 | p, bi); | |
514 | } | |
515 | bgp_unlock_node (prn); | |
516 | } | |
517 | ||
518 | /* | |
519 | * Delete local_nexthops list | |
520 | */ | |
521 | if (bi->extra && bi->extra->vnc.export.local_nexthops) | |
522 | { | |
523 | list_delete (bi->extra->vnc.export.local_nexthops); | |
524 | } | |
525 | ||
526 | bgp_aggregate_decrement (bgp, p, bi, afi, safi); | |
527 | bgp_info_delete (bn, bi); | |
528 | bgp_process (bgp, bn, afi, safi); | |
529 | } | |
530 | else | |
531 | { | |
a3b55c25 | 532 | vnc_zlog_debug_verbose ("%s: Couldn't find route (safi=%d) at prefix %s", |
65efcfce LB |
533 | __func__, safi, buf); |
534 | } | |
535 | done: | |
536 | bgp_unlock_node (bn); | |
537 | } | |
538 | ||
539 | struct rfapi_nexthop * | |
540 | rfapi_nexthop_new (struct rfapi_nexthop *copyme) | |
541 | { | |
542 | struct rfapi_nexthop *new = | |
543 | XCALLOC (MTYPE_RFAPI_NEXTHOP, sizeof (struct rfapi_nexthop)); | |
544 | if (copyme) | |
545 | *new = *copyme; | |
546 | return new; | |
547 | } | |
548 | ||
549 | void | |
550 | rfapi_nexthop_free (void *p) | |
551 | { | |
552 | struct rfapi_nexthop *goner = p; | |
553 | XFREE (MTYPE_RFAPI_NEXTHOP, goner); | |
554 | } | |
555 | ||
556 | struct rfapi_vn_option * | |
557 | rfapi_vn_options_dup (struct rfapi_vn_option *existing) | |
558 | { | |
559 | struct rfapi_vn_option *p; | |
560 | struct rfapi_vn_option *head = NULL; | |
561 | struct rfapi_vn_option *tail = NULL; | |
562 | ||
563 | for (p = existing; p; p = p->next) | |
564 | { | |
565 | struct rfapi_vn_option *new; | |
566 | ||
567 | new = XCALLOC (MTYPE_RFAPI_VN_OPTION, sizeof (struct rfapi_vn_option)); | |
568 | *new = *p; | |
569 | new->next = NULL; | |
570 | if (tail) | |
571 | (tail)->next = new; | |
572 | tail = new; | |
573 | if (!head) | |
574 | { | |
575 | head = new; | |
576 | } | |
577 | } | |
578 | return head; | |
579 | } | |
580 | ||
581 | void | |
582 | rfapi_un_options_free (struct rfapi_un_option *p) | |
583 | { | |
584 | struct rfapi_un_option *next; | |
585 | ||
586 | while (p) | |
587 | { | |
588 | next = p->next; | |
589 | XFREE (MTYPE_RFAPI_UN_OPTION, p); | |
590 | p = next; | |
591 | } | |
592 | } | |
593 | ||
594 | void | |
595 | rfapi_vn_options_free (struct rfapi_vn_option *p) | |
596 | { | |
597 | struct rfapi_vn_option *next; | |
598 | ||
599 | while (p) | |
600 | { | |
601 | next = p->next; | |
602 | XFREE (MTYPE_RFAPI_VN_OPTION, p); | |
603 | p = next; | |
604 | } | |
605 | } | |
606 | ||
607 | /* Based on bgp_redistribute_add() */ | |
608 | void | |
609 | add_vnc_route ( | |
610 | struct rfapi_descriptor *rfd, /* cookie, VPN UN addr, peer */ | |
611 | struct bgp *bgp, | |
612 | int safi, | |
613 | struct prefix *p, | |
614 | struct prefix_rd *prd, | |
615 | struct rfapi_ip_addr *nexthop, | |
616 | uint32_t *local_pref, | |
617 | uint32_t *lifetime, /* NULL => dont send lifetime */ | |
618 | struct bgp_tea_options *rfp_options, | |
619 | struct rfapi_un_option *options_un, | |
620 | struct rfapi_vn_option *options_vn, | |
621 | struct ecommunity *rt_export_list,/* Copied, not consumed */ | |
622 | uint32_t *med, /* NULL => don't set med */ | |
623 | uint32_t *label, /* low order 3 bytes */ | |
624 | uint8_t type, | |
625 | uint8_t sub_type, /* RFP, NORMAL or REDIST */ | |
626 | int flags) | |
627 | { | |
628 | afi_t afi; /* of the VN address */ | |
629 | struct bgp_info *new; | |
630 | struct bgp_info *bi; | |
631 | struct bgp_node *bn; | |
632 | ||
633 | struct attr attr = { 0 }; | |
634 | struct attr *new_attr; | |
635 | uint32_t label_val; | |
636 | ||
637 | struct bgp_attr_encap_subtlv *encaptlv; | |
638 | char buf[BUFSIZ]; | |
639 | char buf2[BUFSIZ]; | |
640 | #if 0 /* unused? */ | |
641 | struct prefix pfx_buf; | |
642 | #endif | |
643 | ||
644 | struct rfapi_nexthop *lnh = NULL; /* local nexthop */ | |
645 | struct rfapi_vn_option *vo; | |
646 | struct rfapi_l2address_option *l2o = NULL; | |
647 | struct rfapi_ip_addr *un_addr = &rfd->un_addr; | |
648 | ||
649 | bgp_encap_types TunnelType = BGP_ENCAP_TYPE_RESERVED; | |
650 | struct bgp_redist *red; | |
651 | ||
652 | if (safi == SAFI_ENCAP && | |
653 | !(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_ADV_UN_METHOD_ENCAP)) | |
654 | { | |
655 | ||
656 | /* | |
657 | * Encap mode not enabled. UN addresses will be communicated | |
658 | * via VNC Tunnel subtlv instead. | |
659 | */ | |
a3b55c25 | 660 | vnc_zlog_debug_verbose ("%s: encap mode not enabled, not adding SAFI_ENCAP route", |
65efcfce LB |
661 | __func__); |
662 | return; | |
663 | } | |
664 | ||
665 | #if 0 /* unused? */ | |
666 | if ((safi == SAFI_MPLS_VPN) && (flags & RFAPI_AHR_SET_PFX_TO_NEXTHOP)) | |
667 | { | |
668 | ||
669 | if (rfapiRaddr2Qprefix (nexthop, &pfx_buf)) | |
670 | { | |
a3b55c25 | 671 | vnc_zlog_debug_verbose |
65efcfce LB |
672 | ("%s: can't set pfx to vn addr, not adding SAFI_MPLS_VPN route", |
673 | __func__); | |
674 | return; | |
675 | } | |
676 | p = &pfx_buf; | |
677 | } | |
678 | #endif | |
679 | for (vo = options_vn; vo; vo = vo->next) | |
680 | { | |
681 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) | |
682 | { | |
683 | l2o = &vo->v.l2addr; | |
684 | if (RFAPI_0_ETHERADDR (&l2o->macaddr)) | |
685 | l2o = NULL; /* not MAC resolution */ | |
686 | } | |
687 | if (RFAPI_VN_OPTION_TYPE_LOCAL_NEXTHOP == vo->type) | |
688 | { | |
689 | lnh = &vo->v.local_nexthop; | |
690 | } | |
691 | } | |
692 | ||
693 | if (label) | |
694 | label_val = *label; | |
695 | else | |
696 | label_val = MPLS_LABEL_IMPLICIT_NULL; | |
697 | ||
698 | prefix_rd2str (prd, buf2, BUFSIZ); | |
699 | buf2[BUFSIZ - 1] = 0; | |
700 | ||
701 | ||
702 | afi = family2afi (p->family); | |
703 | assert (afi == AFI_IP || afi == AFI_IP6); | |
704 | ||
a3b55c25 | 705 | vnc_zlog_debug_verbose ("%s: afi=%s, safi=%s", __func__, afi2str (afi), |
65efcfce LB |
706 | safi2str (safi)); |
707 | ||
708 | /* Make default attribute. Produces already-interned attr.aspath */ | |
709 | /* Cripes, the memory management of attributes is byzantine */ | |
710 | ||
711 | bgp_attr_default_set (&attr, BGP_ORIGIN_INCOMPLETE); | |
712 | assert (attr.extra); | |
713 | ||
714 | /* | |
715 | * At this point: | |
716 | * attr: static | |
717 | * extra: dynamically allocated, owned by attr | |
718 | * aspath: points to interned hash from aspath hash table | |
719 | */ | |
720 | ||
721 | ||
722 | /* | |
723 | * Route-specific un_options get added to the VPN SAFI | |
724 | * advertisement tunnel encap attribute. (the per-NVE | |
725 | * "default" un_options are put into the 1-per-NVE ENCAP | |
726 | * SAFI advertisement). The VPN SAFI also gets the | |
727 | * default un_options if there are no route-specific options. | |
728 | */ | |
729 | if (options_un) | |
730 | { | |
731 | struct rfapi_un_option *uo; | |
732 | ||
733 | for (uo = options_un; uo; uo = uo->next) | |
734 | { | |
735 | if (RFAPI_UN_OPTION_TYPE_TUNNELTYPE == uo->type) | |
736 | { | |
737 | TunnelType = rfapi_tunneltype_option_to_tlv ( | |
738 | bgp, un_addr, &uo->v.tunnel, &attr, l2o != NULL); | |
739 | } | |
740 | } | |
741 | } | |
742 | else | |
743 | { | |
744 | /* | |
745 | * Add encap attr | |
746 | * These are the NVE-specific "default" un_options which are | |
747 | * put into the 1-per-NVE ENCAP advertisement. | |
748 | */ | |
749 | if (rfd->default_tunneltype_option.type) | |
750 | { | |
751 | TunnelType = rfapi_tunneltype_option_to_tlv ( | |
752 | bgp, un_addr, &rfd->default_tunneltype_option, &attr, | |
753 | l2o != NULL); | |
754 | } | |
755 | else | |
756 | TunnelType = rfapi_tunneltype_option_to_tlv ( | |
757 | bgp, un_addr, NULL, | |
758 | /* create one to carry un_addr */ &attr, l2o != NULL); | |
759 | } | |
760 | ||
761 | if (TunnelType == BGP_ENCAP_TYPE_MPLS) | |
762 | { | |
763 | if (safi == SAFI_ENCAP) | |
764 | { | |
765 | /* Encap SAFI not used with MPLS */ | |
a3b55c25 | 766 | vnc_zlog_debug_verbose ("%s: mpls tunnel type, encap safi omitted", __func__); |
65efcfce LB |
767 | aspath_unintern (&attr.aspath); /* Unintern original. */ |
768 | bgp_attr_extra_free (&attr); | |
769 | return; | |
770 | } | |
65efcfce LB |
771 | } |
772 | ||
773 | if (local_pref) | |
774 | { | |
775 | attr.local_pref = *local_pref; | |
776 | attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF); | |
777 | } | |
778 | ||
779 | if (med) | |
780 | { | |
781 | attr.med = *med; | |
782 | attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC); | |
783 | } | |
784 | ||
785 | /* override default weight assigned by bgp_attr_default_set() */ | |
d8e012a8 | 786 | attr.extra->weight = rfd->peer ? rfd->peer->weight[afi][safi] : 0; |
65efcfce LB |
787 | |
788 | /* | |
789 | * NB: ticket 81: do not reset attr.aspath here because it would | |
790 | * cause iBGP peers to drop route | |
791 | */ | |
792 | ||
793 | /* | |
794 | * Set originator ID for routes imported from BGP directly. | |
795 | * These routes could be synthetic, and therefore could | |
796 | * reuse the peer pointers of the routes they are derived | |
797 | * from. Setting the originator ID to "us" prevents the | |
798 | * wrong originator ID from being sent when this route is | |
799 | * sent from a route reflector. | |
800 | */ | |
801 | if (type == ZEBRA_ROUTE_BGP_DIRECT || type == ZEBRA_ROUTE_BGP_DIRECT_EXT) | |
802 | { | |
803 | attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_ORIGINATOR_ID); | |
804 | attr.extra->originator_id = bgp->router_id; | |
805 | } | |
806 | ||
807 | ||
808 | /* Set up vnc attribute (sub-tlv for Prefix Lifetime) */ | |
809 | if (lifetime && *lifetime != RFAPI_INFINITE_LIFETIME) | |
810 | { | |
811 | uint32_t lt; | |
812 | ||
813 | encaptlv = | |
814 | XCALLOC (MTYPE_ENCAP_TLV, | |
815 | sizeof (struct bgp_attr_encap_subtlv) - 1 + 4); | |
816 | assert (encaptlv); | |
817 | encaptlv->type = BGP_VNC_SUBTLV_TYPE_LIFETIME; /* prefix lifetime */ | |
818 | encaptlv->length = 4; | |
819 | lt = htonl (*lifetime); | |
820 | memcpy (encaptlv->value, <, 4); | |
821 | attr.extra->vnc_subtlvs = encaptlv; | |
a3b55c25 | 822 | vnc_zlog_debug_verbose ("%s: set Encap Attr Prefix Lifetime to %d", |
65efcfce LB |
823 | __func__, *lifetime); |
824 | } | |
825 | ||
826 | /* add rfp options to vnc attr */ | |
827 | if (rfp_options) | |
828 | { | |
829 | ||
830 | if (flags & RFAPI_AHR_RFPOPT_IS_VNCTLV) | |
831 | { | |
832 | ||
833 | /* | |
834 | * this flag means we're passing a pointer to an | |
835 | * existing encap tlv chain which we should copy. | |
836 | * It's a hack to avoid adding yet another argument | |
837 | * to add_vnc_route() | |
838 | */ | |
839 | encaptlv = | |
840 | encap_tlv_dup ((struct bgp_attr_encap_subtlv *) rfp_options); | |
841 | if (attr.extra->vnc_subtlvs) | |
842 | { | |
843 | attr.extra->vnc_subtlvs->next = encaptlv; | |
844 | } | |
845 | else | |
846 | { | |
847 | attr.extra->vnc_subtlvs = encaptlv; | |
848 | } | |
849 | ||
850 | } | |
851 | else | |
852 | { | |
853 | struct bgp_tea_options *hop; | |
854 | /* XXX max of one tlv present so far from above code */ | |
855 | struct bgp_attr_encap_subtlv *tail = attr.extra->vnc_subtlvs; | |
856 | ||
857 | for (hop = rfp_options; hop; hop = hop->next) | |
858 | { | |
859 | ||
860 | /* | |
861 | * Construct subtlv | |
862 | */ | |
863 | encaptlv = XCALLOC (MTYPE_ENCAP_TLV, | |
864 | sizeof (struct bgp_attr_encap_subtlv) - 1 + | |
865 | 2 + hop->length); | |
866 | assert (encaptlv); | |
867 | encaptlv->type = BGP_VNC_SUBTLV_TYPE_RFPOPTION; /* RFP option */ | |
868 | encaptlv->length = 2 + hop->length; | |
869 | *((uint8_t *) (encaptlv->value) + 0) = hop->type; | |
870 | *((uint8_t *) (encaptlv->value) + 1) = hop->length; | |
871 | memcpy (((uint8_t *) encaptlv->value) + 2, hop->value, | |
872 | hop->length); | |
873 | ||
874 | /* | |
875 | * add to end of subtlv chain | |
876 | */ | |
877 | if (tail) | |
878 | { | |
879 | tail->next = encaptlv; | |
880 | } | |
881 | else | |
882 | { | |
883 | attr.extra->vnc_subtlvs = encaptlv; | |
884 | } | |
885 | tail = encaptlv; | |
886 | } | |
887 | } | |
888 | } | |
889 | ||
890 | /* | |
891 | * At this point: | |
892 | * attr: static | |
893 | * extra: dynamically allocated, owned by attr | |
894 | * vnc_subtlvs: dynamic chain, length 1 | |
895 | * aspath: points to interned hash from aspath hash table | |
896 | */ | |
897 | ||
898 | ||
899 | attr.extra->ecommunity = ecommunity_new (); | |
900 | assert (attr.extra->ecommunity); | |
901 | ||
902 | if (TunnelType != BGP_ENCAP_TYPE_MPLS && | |
903 | TunnelType != BGP_ENCAP_TYPE_RESERVED) | |
904 | { | |
905 | /* | |
906 | * Add BGP Encapsulation Extended Community. Format described in | |
907 | * section 4.5 of RFC 5512. | |
908 | * Always include when not MPLS type, to disambiguate this case. | |
909 | */ | |
910 | struct ecommunity_val beec; | |
911 | ||
912 | memset (&beec, 0, sizeof (beec)); | |
913 | beec.val[0] = ECOMMUNITY_ENCODE_OPAQUE; | |
914 | beec.val[1] = ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP; | |
915 | beec.val[6] = ((TunnelType) >> 8) & 0xff; | |
916 | beec.val[7] = (TunnelType) & 0xff; | |
917 | ecommunity_add_val (attr.extra->ecommunity, &beec); | |
918 | } | |
919 | ||
920 | /* | |
921 | * Add extended community attributes to match rt export list | |
922 | */ | |
923 | if (rt_export_list) | |
924 | { | |
925 | attr.extra->ecommunity = | |
926 | ecommunity_merge (attr.extra->ecommunity, rt_export_list); | |
927 | } | |
928 | ||
929 | if (attr.extra->ecommunity->size) | |
930 | { | |
931 | attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_EXT_COMMUNITIES); | |
932 | } | |
933 | else | |
934 | { | |
935 | ecommunity_free (&attr.extra->ecommunity); | |
936 | attr.extra->ecommunity = NULL; | |
937 | } | |
a3b55c25 | 938 | vnc_zlog_debug_verbose ("%s: attr.extra->ecommunity=%p", __func__, |
65efcfce LB |
939 | attr.extra->ecommunity); |
940 | ||
941 | ||
942 | /* | |
943 | * At this point: | |
944 | * attr: static | |
945 | * extra: dynamically allocated, owned by attr | |
946 | * vnc_subtlvs: dynamic chain, length 1 | |
947 | * ecommunity: dynamic 2-part | |
948 | * aspath: points to interned hash from aspath hash table | |
949 | */ | |
950 | ||
951 | /* stuff nexthop in attr_extra; which field depends on IPv4 or IPv6 */ | |
952 | switch (nexthop->addr_family) | |
953 | { | |
954 | case AF_INET: | |
955 | /* | |
956 | * set this field to prevent bgp_route.c code from setting | |
957 | * mp_nexthop_global_in to self | |
958 | */ | |
959 | attr.nexthop.s_addr = nexthop->addr.v4.s_addr; | |
960 | ||
961 | attr.extra->mp_nexthop_global_in = nexthop->addr.v4; | |
962 | attr.extra->mp_nexthop_len = 4; | |
963 | break; | |
964 | ||
965 | case AF_INET6: | |
966 | attr.extra->mp_nexthop_global = nexthop->addr.v6; | |
967 | attr.extra->mp_nexthop_len = 16; | |
968 | break; | |
969 | ||
970 | default: | |
971 | assert (0); | |
972 | } | |
973 | ||
974 | ||
975 | prefix2str (p, buf, BUFSIZ); | |
976 | buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ | |
977 | ||
978 | /* | |
979 | * At this point: | |
980 | * | |
981 | * attr: static | |
982 | * extra: dynamically allocated, owned by attr | |
983 | * vnc_subtlvs: dynamic chain, length 1 | |
984 | * ecommunity: dynamic 2-part | |
985 | * aspath: points to interned hash from aspath hash table | |
986 | */ | |
987 | ||
988 | red = bgp_redist_lookup(bgp, afi, type, VRF_DEFAULT); | |
989 | ||
990 | if (red && red->redist_metric_flag) | |
991 | { | |
992 | attr.med = red->redist_metric; | |
993 | attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC); | |
994 | } | |
995 | ||
996 | bn = bgp_afi_node_get (bgp->rib[afi][safi], afi, safi, p, prd); | |
997 | ||
998 | /* | |
999 | * bgp_attr_intern creates a new reference to a cached | |
1000 | * attribute, but leaves the following bits of trash: | |
1001 | * - old attr | |
1002 | * - old attr->extra (free via bgp_attr_extra_free(attr)) | |
1003 | * | |
1004 | * Note that it frees the original attr->extra->ecommunity | |
1005 | * but leaves the new attribute pointing to the ORIGINAL | |
1006 | * vnc options (which therefore we needn't free from the | |
1007 | * static attr) | |
1008 | */ | |
1009 | new_attr = bgp_attr_intern (&attr); | |
1010 | ||
1011 | aspath_unintern (&attr.aspath); /* Unintern original. */ | |
1012 | bgp_attr_extra_free (&attr); | |
1013 | ||
1014 | /* | |
1015 | * At this point: | |
1016 | * | |
1017 | * attr: static | |
1018 | * extra: dynamically allocated, owned by attr | |
1019 | * vnc_subtlvs: dynamic chain, length 1 | |
1020 | * ecommunity: POINTS TO INTERNED ecom, THIS REF NOT COUNTED | |
1021 | * | |
1022 | * new_attr: an attr that is part of the hash table, distinct | |
1023 | * from attr which is static. | |
1024 | * extra: dynamically allocated, owned by new_attr (in hash table) | |
1025 | * vnc_subtlvs: POINTS TO SAME dynamic chain AS attr | |
1026 | * ecommunity: POINTS TO interned/refcounted dynamic 2-part AS attr | |
1027 | * aspath: POINTS TO interned/refcounted hashed block | |
1028 | */ | |
1029 | for (bi = bn->info; bi; bi = bi->next) | |
1030 | { | |
1031 | /* probably only need to check bi->extra->vnc.export.rfapi_handle */ | |
1032 | if (bi->peer == rfd->peer && | |
1033 | bi->type == type && | |
1034 | bi->sub_type == sub_type && | |
1035 | bi->extra && bi->extra->vnc.export.rfapi_handle == (void *) rfd) | |
1036 | { | |
1037 | ||
1038 | break; | |
1039 | } | |
1040 | } | |
1041 | ||
1042 | if (bi) | |
1043 | { | |
1044 | ||
1045 | /* | |
1046 | * Adding new local_nexthop, which does not by itself change | |
1047 | * what is advertised via BGP | |
1048 | */ | |
1049 | if (lnh) | |
1050 | { | |
1051 | if (!bi->extra->vnc.export.local_nexthops) | |
1052 | { | |
1053 | /* TBD make arrangements to free when needed */ | |
1054 | bi->extra->vnc.export.local_nexthops = list_new (); | |
1055 | bi->extra->vnc.export.local_nexthops->del = rfapi_nexthop_free; | |
1056 | } | |
1057 | ||
1058 | /* | |
1059 | * already present? | |
1060 | */ | |
1061 | struct listnode *node; | |
1062 | struct rfapi_nexthop *pLnh = NULL; | |
1063 | ||
1064 | for (ALL_LIST_ELEMENTS_RO (bi->extra->vnc.export.local_nexthops, | |
1065 | node, pLnh)) | |
1066 | { | |
1067 | ||
1068 | if (prefix_same (&pLnh->addr, &lnh->addr)) | |
1069 | { | |
1070 | break; | |
1071 | } | |
1072 | } | |
1073 | ||
1074 | /* | |
1075 | * Not present, add new one | |
1076 | */ | |
1077 | if (!pLnh) | |
1078 | { | |
1079 | pLnh = rfapi_nexthop_new (lnh); | |
1080 | listnode_add (bi->extra->vnc.export.local_nexthops, pLnh); | |
1081 | } | |
1082 | } | |
1083 | ||
1084 | if (attrhash_cmp (bi->attr, new_attr) && | |
1085 | !CHECK_FLAG (bi->flags, BGP_INFO_REMOVED)) | |
1086 | { | |
1087 | bgp_attr_unintern (&new_attr); | |
1088 | bgp_unlock_node (bn); | |
1089 | ||
a3b55c25 | 1090 | vnc_zlog_debug_any ("%s: Found route (safi=%d) at prefix %s, no change", |
65efcfce LB |
1091 | __func__, safi, buf); |
1092 | ||
1093 | goto done; | |
1094 | } | |
1095 | else | |
1096 | { | |
1097 | /* The attribute is changed. */ | |
1098 | bgp_info_set_flag (bn, bi, BGP_INFO_ATTR_CHANGED); | |
1099 | ||
1100 | if (safi == SAFI_MPLS_VPN) | |
1101 | { | |
1102 | struct bgp_node *prn = NULL; | |
1103 | struct bgp_table *table = NULL; | |
1104 | ||
1105 | prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); | |
1106 | if (prn->info) | |
1107 | { | |
1108 | table = (struct bgp_table *) (prn->info); | |
1109 | ||
1110 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve ( | |
1111 | bgp, prd, table, p, bi); | |
1112 | } | |
1113 | bgp_unlock_node (prn); | |
1114 | } | |
1115 | ||
1116 | /* Rewrite BGP route information. */ | |
1117 | if (CHECK_FLAG (bi->flags, BGP_INFO_REMOVED)) | |
1118 | bgp_info_restore (bn, bi); | |
1119 | else | |
1120 | bgp_aggregate_decrement (bgp, p, bi, afi, safi); | |
1121 | bgp_attr_unintern (&bi->attr); | |
1122 | bi->attr = new_attr; | |
1123 | bi->uptime = bgp_clock (); | |
1124 | ||
1125 | ||
1126 | if (safi == SAFI_MPLS_VPN) | |
1127 | { | |
1128 | struct bgp_node *prn = NULL; | |
1129 | struct bgp_table *table = NULL; | |
1130 | ||
1131 | prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); | |
1132 | if (prn->info) | |
1133 | { | |
1134 | table = (struct bgp_table *) (prn->info); | |
1135 | ||
1136 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve ( | |
1137 | bgp, prd, table, p, bi); | |
1138 | } | |
1139 | bgp_unlock_node (prn); | |
1140 | } | |
1141 | ||
1142 | /* Process change. */ | |
1143 | bgp_aggregate_increment (bgp, p, bi, afi, safi); | |
1144 | bgp_process (bgp, bn, afi, safi); | |
1145 | bgp_unlock_node (bn); | |
1146 | ||
a3b55c25 | 1147 | vnc_zlog_debug_any ("%s: Found route (safi=%d) at prefix %s, changed attr", |
65efcfce LB |
1148 | __func__, safi, buf); |
1149 | ||
1150 | goto done; | |
1151 | } | |
1152 | } | |
1153 | ||
1154 | ||
1155 | new = bgp_info_new (); | |
1156 | new->type = type; | |
1157 | new->sub_type = sub_type; | |
1158 | new->peer = rfd->peer; | |
1159 | SET_FLAG (new->flags, BGP_INFO_VALID); | |
1160 | new->attr = new_attr; | |
1161 | new->uptime = bgp_clock (); | |
1162 | ||
1163 | /* save backref to rfapi handle */ | |
1164 | assert (bgp_info_extra_get (new)); | |
1165 | new->extra->vnc.export.rfapi_handle = (void *) rfd; | |
1166 | encode_label (label_val, new->extra->tag); | |
1167 | ||
1168 | /* debug */ | |
a3b55c25 LB |
1169 | |
1170 | if (VNC_DEBUG(VERBOSE)) | |
1171 | { | |
1172 | vnc_zlog_debug_verbose ("%s: printing BI", __func__); | |
1173 | rfapiPrintBi (NULL, new); | |
1174 | } | |
65efcfce LB |
1175 | |
1176 | bgp_aggregate_increment (bgp, p, new, afi, safi); | |
1177 | bgp_info_add (bn, new); | |
1178 | ||
1179 | if (safi == SAFI_MPLS_VPN) | |
1180 | { | |
1181 | struct bgp_node *prn = NULL; | |
1182 | struct bgp_table *table = NULL; | |
1183 | ||
1184 | prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); | |
1185 | if (prn->info) | |
1186 | { | |
1187 | table = (struct bgp_table *) (prn->info); | |
1188 | ||
1189 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve ( | |
1190 | bgp, prd, table, p, new); | |
1191 | } | |
1192 | bgp_unlock_node (prn); | |
1193 | } | |
1194 | ||
1195 | bgp_unlock_node (bn); | |
1196 | bgp_process (bgp, bn, afi, safi); | |
1197 | ||
a3b55c25 | 1198 | vnc_zlog_debug_any ("%s: Added route (safi=%s) at prefix %s (bn=%p, prd=%s)", |
65efcfce LB |
1199 | __func__, safi2str (safi), buf, bn, buf2); |
1200 | ||
1201 | done: | |
1202 | /* Loop back to import tables */ | |
1203 | rfapiProcessUpdate (rfd->peer, | |
1204 | rfd, | |
1205 | p, prd, new_attr, afi, safi, type, sub_type, &label_val); | |
a3b55c25 | 1206 | vnc_zlog_debug_verbose ("%s: looped back import route (safi=%d)", __func__, safi); |
65efcfce LB |
1207 | } |
1208 | ||
1209 | uint32_t | |
1210 | rfp_cost_to_localpref (uint8_t cost) | |
1211 | { | |
1212 | return 255 - cost; | |
1213 | } | |
1214 | ||
1215 | static void | |
1216 | rfapiTunnelRouteAnnounce ( | |
1217 | struct bgp *bgp, | |
1218 | struct rfapi_descriptor *rfd, | |
1219 | uint32_t *pLifetime) | |
1220 | { | |
1221 | struct prefix_rd prd; | |
1222 | struct prefix pfx_vn; | |
1223 | int rc; | |
1224 | uint32_t local_pref = rfp_cost_to_localpref (0); | |
1225 | ||
1226 | rc = rfapiRaddr2Qprefix (&(rfd->vn_addr), &pfx_vn); | |
1227 | assert (!rc); | |
1228 | ||
1229 | /* | |
1230 | * Construct route distinguisher = 0 | |
1231 | */ | |
1232 | memset (&prd, 0, sizeof (prd)); | |
1233 | prd.family = AF_UNSPEC; | |
1234 | prd.prefixlen = 64; | |
1235 | ||
1236 | add_vnc_route (rfd, /* rfapi descr, for export list & backref */ | |
1237 | bgp, /* which bgp instance */ | |
1238 | SAFI_ENCAP, /* which SAFI */ | |
1239 | &pfx_vn, /* prefix to advertise */ | |
1240 | &prd, /* route distinguisher to use */ | |
1241 | &rfd->un_addr, /* nexthop */ | |
1242 | &local_pref, | |
1243 | pLifetime, /* max lifetime of child VPN routes */ | |
1244 | NULL, /* no rfp options for ENCAP safi */ | |
1245 | NULL, /* rfp un options */ | |
1246 | NULL, /* rfp vn options */ | |
1247 | rfd->rt_export_list, | |
1248 | NULL, /* med */ | |
1249 | NULL, /* label: default */ | |
1250 | ZEBRA_ROUTE_BGP, | |
1251 | BGP_ROUTE_RFP, | |
1252 | 0); | |
1253 | } | |
1254 | ||
1255 | ||
1256 | /*********************************************************************** | |
1257 | * RFP processing behavior configuration | |
1258 | ***********************************************************************/ | |
1259 | ||
1260 | /*------------------------------------------ | |
1261 | * rfapi_rfp_set_configuration | |
1262 | * | |
1263 | * This is used to change rfapi's processing behavior based on | |
1264 | * RFP requirements. | |
1265 | * | |
1266 | * input: | |
1267 | * rfp_start_val value returned by rfp_start | |
1268 | * rfapi_rfp_cfg Pointer to configuration structure | |
1269 | * | |
1270 | * output: | |
1271 | * none | |
1272 | * | |
1273 | * return value: | |
1274 | * 0 Success | |
1275 | * ENXIO Unabled to locate configured BGP/VNC | |
1276 | --------------------------------------------*/ | |
1277 | int | |
1278 | rfapi_rfp_set_configuration (void *rfp_start_val, struct rfapi_rfp_cfg *new) | |
1279 | { | |
1280 | struct rfapi_rfp_cfg *rcfg; | |
1281 | struct bgp *bgp; | |
1282 | ||
1283 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
1284 | ||
1285 | if (!new || !bgp || !bgp->rfapi_cfg) | |
1286 | return ENXIO; | |
1287 | ||
1288 | rcfg = &bgp->rfapi_cfg->rfp_cfg; | |
1289 | rcfg->download_type = new->download_type; | |
1290 | rcfg->ftd_advertisement_interval = new->ftd_advertisement_interval; | |
1291 | rcfg->holddown_factor = new->holddown_factor; | |
1292 | ||
1293 | if (rcfg->use_updated_response != new->use_updated_response) | |
1294 | { | |
1295 | rcfg->use_updated_response = new->use_updated_response; | |
1296 | if (rcfg->use_updated_response) | |
1297 | rfapiMonitorCallbacksOn (bgp); | |
1298 | else | |
1299 | rfapiMonitorCallbacksOff (bgp); | |
1300 | } | |
1301 | if (rcfg->use_removes != new->use_removes) | |
1302 | { | |
1303 | rcfg->use_removes = new->use_removes; | |
1304 | if (rcfg->use_removes) | |
1305 | rfapiMonitorResponseRemovalOn (bgp); | |
1306 | else | |
1307 | rfapiMonitorResponseRemovalOff (bgp); | |
1308 | } | |
1309 | return 0; | |
1310 | } | |
1311 | ||
1312 | /*------------------------------------------ | |
1313 | * rfapi_rfp_set_cb_methods | |
1314 | * | |
1315 | * Change registered callback functions for asynchronous notifications | |
1316 | * from RFAPI to the RFP client. | |
1317 | * | |
1318 | * input: | |
1319 | * rfp_start_val value returned by rfp_start | |
1320 | * methods Pointer to struct rfapi_rfp_cb_methods containing | |
1321 | * pointers to callback methods as described above | |
1322 | * | |
1323 | * return value: | |
1324 | * 0 Success | |
1325 | * ENXIO BGP or VNC not configured | |
1326 | *------------------------------------------*/ | |
1327 | int | |
1328 | rfapi_rfp_set_cb_methods (void *rfp_start_val, | |
1329 | struct rfapi_rfp_cb_methods *methods) | |
1330 | { | |
1331 | struct rfapi *h; | |
1332 | struct bgp *bgp; | |
1333 | ||
1334 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
1335 | if (!bgp) | |
1336 | return ENXIO; | |
1337 | ||
1338 | h = bgp->rfapi; | |
1339 | if (!h) | |
1340 | return ENXIO; | |
1341 | ||
1342 | h->rfp_methods = *methods; | |
1343 | ||
1344 | return 0; | |
1345 | } | |
1346 | ||
1347 | /*********************************************************************** | |
1348 | * NVE Sessions | |
1349 | ***********************************************************************/ | |
1350 | ||
1351 | /* | |
1352 | * Caller must supply an already-allocated rfd with the "caller" | |
1353 | * fields already set (vn_addr, un_addr, callback, cookie) | |
1354 | * The advertised_prefixes[] array elements should be NULL to | |
1355 | * have this function set them to newly-allocated radix trees. | |
1356 | */ | |
1357 | static int | |
1358 | rfapi_open_inner ( | |
1359 | struct rfapi_descriptor *rfd, | |
1360 | struct bgp *bgp, | |
1361 | struct rfapi *h, | |
1362 | struct rfapi_nve_group_cfg *rfg) | |
1363 | { | |
1364 | int ret; | |
1365 | ||
1366 | if (h->flags & RFAPI_INCALLBACK) | |
1367 | return EDEADLK; | |
1368 | ||
1369 | /* | |
1370 | * Fill in configured fields | |
1371 | */ | |
1372 | ||
1373 | /* | |
1374 | * If group's RD is specified as "auto", then fill in based | |
1375 | * on NVE's VN address | |
1376 | */ | |
1377 | rfd->rd = rfg->rd; | |
1378 | ||
1379 | if (rfd->rd.family == AF_UNIX) | |
1380 | { | |
1381 | ret = rfapi_set_autord_from_vn (&rfd->rd, &rfd->vn_addr); | |
1382 | if (ret != 0) | |
1383 | return ret; | |
1384 | } | |
1385 | rfd->rt_export_list = (rfg->rt_export_list) ? | |
1386 | ecommunity_dup (rfg->rt_export_list) : NULL; | |
1387 | rfd->response_lifetime = rfg->response_lifetime; | |
1388 | rfd->rfg = rfg; | |
1389 | ||
1390 | /* | |
1391 | * Fill in BGP peer structure | |
1392 | */ | |
1393 | rfd->peer = peer_new (bgp); | |
1394 | rfd->peer->status = Established; /* keep bgp core happy */ | |
1395 | bgp_sync_delete (rfd->peer); /* don't need these */ | |
1396 | if (rfd->peer->ibuf) | |
1397 | { | |
1398 | stream_free (rfd->peer->ibuf); /* don't need it */ | |
1399 | rfd->peer->ibuf = NULL; | |
1400 | } | |
1401 | if (rfd->peer->obuf) | |
1402 | { | |
1403 | stream_fifo_free (rfd->peer->obuf); /* don't need it */ | |
1404 | rfd->peer->obuf = NULL; | |
1405 | } | |
1406 | if (rfd->peer->work) | |
1407 | { | |
1408 | stream_free (rfd->peer->work); /* don't need it */ | |
1409 | rfd->peer->work = NULL; | |
1410 | } | |
1411 | { /* base code assumes have valid host pointer */ | |
1412 | char buf[BUFSIZ]; | |
1413 | buf[0] = 0; | |
1414 | ||
1415 | if (rfd->vn_addr.addr_family == AF_INET) | |
1416 | { | |
1417 | inet_ntop (AF_INET, &rfd->vn_addr.addr.v4, buf, BUFSIZ); | |
1418 | } | |
1419 | else if (rfd->vn_addr.addr_family == AF_INET6) | |
1420 | { | |
1421 | inet_ntop (AF_INET6, &rfd->vn_addr.addr.v6, buf, BUFSIZ); | |
1422 | } | |
1423 | rfd->peer->host = XSTRDUP (MTYPE_BGP_PEER_HOST, buf); | |
1424 | } | |
1425 | /* Mark peer as belonging to HD */ | |
1426 | SET_FLAG (rfd->peer->flags, PEER_FLAG_IS_RFAPI_HD); | |
1427 | ||
1428 | /* | |
1429 | * Set min prefix lifetime to max value so it will get set | |
1430 | * upon first rfapi_register() | |
1431 | */ | |
1432 | rfd->min_prefix_lifetime = UINT32_MAX; | |
1433 | ||
1434 | /* | |
1435 | * Allocate response tables if needed | |
1436 | */ | |
1437 | #define RFD_RTINIT_AFI(rh, ary, afi) do {\ | |
1438 | if (!ary[afi]) { \ | |
1439 | ary[afi] = route_table_init ();\ | |
1440 | ary[afi]->info = rh;\ | |
1441 | }\ | |
1442 | } while (0) | |
1443 | ||
1444 | #define RFD_RTINIT(rh, ary) do {\ | |
1445 | RFD_RTINIT_AFI(rh, ary, AFI_IP);\ | |
1446 | RFD_RTINIT_AFI(rh, ary, AFI_IP6);\ | |
1447 | RFD_RTINIT_AFI(rh, ary, AFI_ETHER);\ | |
1448 | } while(0) | |
1449 | ||
1450 | RFD_RTINIT(rfd, rfd->rib); | |
1451 | RFD_RTINIT(rfd, rfd->rib_pending); | |
1452 | RFD_RTINIT(rfd, rfd->rsp_times); | |
1453 | ||
1454 | /* | |
1455 | * Link to Import Table | |
1456 | */ | |
1457 | rfd->import_table = rfg->rfapi_import_table; | |
1458 | rfd->import_table->refcount += 1; | |
1459 | ||
1460 | rfapiApInit (&rfd->advertised); | |
1461 | ||
1462 | /* | |
1463 | * add this NVE descriptor to the list of NVEs in the NVE group | |
1464 | */ | |
1465 | if (!rfg->nves) | |
1466 | { | |
1467 | rfg->nves = list_new (); | |
1468 | } | |
1469 | listnode_add (rfg->nves, rfd); | |
1470 | ||
1471 | vnc_direct_bgp_add_nve (bgp, rfd); | |
1472 | vnc_zebra_add_nve (bgp, rfd); | |
1473 | ||
1474 | return 0; | |
1475 | } | |
1476 | ||
1477 | struct rfapi_vn_option * | |
1478 | rfapiVnOptionsDup (struct rfapi_vn_option *orig) | |
1479 | { | |
1480 | struct rfapi_vn_option *head = NULL; | |
1481 | struct rfapi_vn_option *tail = NULL; | |
1482 | struct rfapi_vn_option *vo = NULL; | |
1483 | ||
1484 | for (vo = orig; vo; vo = vo->next) | |
1485 | { | |
1486 | struct rfapi_vn_option *new; | |
1487 | ||
1488 | new = XCALLOC (MTYPE_RFAPI_VN_OPTION, sizeof (struct rfapi_vn_option)); | |
1489 | memcpy (new, vo, sizeof (struct rfapi_vn_option)); | |
1490 | new->next = NULL; | |
1491 | ||
1492 | if (tail) | |
1493 | { | |
1494 | tail->next = new; | |
1495 | } | |
1496 | else | |
1497 | { | |
1498 | head = tail = new; | |
1499 | } | |
1500 | } | |
1501 | return head; | |
1502 | } | |
1503 | ||
1504 | struct rfapi_un_option * | |
1505 | rfapiUnOptionsDup (struct rfapi_un_option *orig) | |
1506 | { | |
1507 | struct rfapi_un_option *head = NULL; | |
1508 | struct rfapi_un_option *tail = NULL; | |
1509 | struct rfapi_un_option *uo = NULL; | |
1510 | ||
1511 | for (uo = orig; uo; uo = uo->next) | |
1512 | { | |
1513 | struct rfapi_un_option *new; | |
1514 | ||
1515 | new = XCALLOC (MTYPE_RFAPI_UN_OPTION, sizeof (struct rfapi_un_option)); | |
1516 | memcpy (new, uo, sizeof (struct rfapi_un_option)); | |
1517 | new->next = NULL; | |
1518 | ||
1519 | if (tail) | |
1520 | { | |
1521 | tail->next = new; | |
1522 | } | |
1523 | else | |
1524 | { | |
1525 | head = tail = new; | |
1526 | } | |
1527 | } | |
1528 | return head; | |
1529 | } | |
1530 | ||
1531 | struct bgp_tea_options * | |
1532 | rfapiOptionsDup (struct bgp_tea_options *orig) | |
1533 | { | |
1534 | struct bgp_tea_options *head = NULL; | |
1535 | struct bgp_tea_options *tail = NULL; | |
1536 | struct bgp_tea_options *hop = NULL; | |
1537 | ||
1538 | for (hop = orig; hop; hop = hop->next) | |
1539 | { | |
1540 | struct bgp_tea_options *new; | |
1541 | ||
1542 | new = XCALLOC (MTYPE_BGP_TEA_OPTIONS, sizeof (struct bgp_tea_options)); | |
1543 | memcpy (new, hop, sizeof (struct bgp_tea_options)); | |
1544 | new->next = NULL; | |
1545 | if (hop->value) | |
1546 | { | |
1547 | new->value = XCALLOC (MTYPE_BGP_TEA_OPTIONS_VALUE, hop->length); | |
1548 | memcpy (new->value, hop->value, hop->length); | |
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 | void | |
1563 | rfapiFreeBgpTeaOptionChain (struct bgp_tea_options *p) | |
1564 | { | |
1565 | struct bgp_tea_options *next; | |
1566 | ||
1567 | while (p) | |
1568 | { | |
1569 | next = p->next; | |
1570 | ||
1571 | if (p->value) | |
1572 | { | |
1573 | XFREE (MTYPE_BGP_TEA_OPTIONS_VALUE, p->value); | |
1574 | p->value = NULL; | |
1575 | } | |
1576 | XFREE (MTYPE_BGP_TEA_OPTIONS, p); | |
1577 | ||
1578 | p = next; | |
1579 | } | |
1580 | } | |
1581 | ||
1582 | void | |
1583 | rfapiAdbFree (struct rfapi_adb *adb) | |
1584 | { | |
1585 | XFREE (MTYPE_RFAPI_ADB, adb); | |
1586 | } | |
1587 | ||
1588 | static int | |
1589 | rfapi_query_inner ( | |
1590 | void *handle, | |
1591 | struct rfapi_ip_addr *target, | |
1592 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
1593 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
1594 | { | |
1595 | afi_t afi; | |
1596 | struct prefix p; | |
1597 | struct prefix p_original; | |
1598 | struct route_node *rn; | |
1599 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
1600 | struct bgp *bgp = rfd->bgp; | |
1601 | struct rfapi_next_hop_entry *pNHE = NULL; | |
1602 | struct rfapi_ip_addr *self_vn_addr = NULL; | |
1603 | int eth_is_0 = 0; | |
1604 | int use_eth_resolution = 0; | |
1605 | struct rfapi_next_hop_entry *i_nhe; | |
1606 | ||
1607 | /* preemptive */ | |
1608 | if (!bgp) | |
1609 | { | |
a3b55c25 | 1610 | vnc_zlog_debug_verbose ("%s: No BGP instance, returning ENXIO", __func__); |
65efcfce LB |
1611 | return ENXIO; |
1612 | } | |
1613 | if (!bgp->rfapi) | |
1614 | { | |
a3b55c25 | 1615 | vnc_zlog_debug_verbose ("%s: No RFAPI instance, returning ENXIO", __func__); |
65efcfce LB |
1616 | return ENXIO; |
1617 | } | |
1618 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) | |
1619 | { | |
a3b55c25 | 1620 | vnc_zlog_debug_verbose ("%s: Called during calback, returning EDEADLK", __func__); |
65efcfce LB |
1621 | return EDEADLK; |
1622 | } | |
1623 | ||
1624 | if (!is_valid_rfd (rfd)) | |
1625 | { | |
a3b55c25 | 1626 | vnc_zlog_debug_verbose ("%s: invalid handle, returning EBADF", __func__); |
65efcfce LB |
1627 | return EBADF; |
1628 | } | |
1629 | ||
1630 | rfd->rsp_counter++; /* dedup: identify this generation */ | |
1631 | rfd->rsp_time = rfapi_time (NULL); /* response content dedup */ | |
1632 | rfd->ftd_last_allowed_time = | |
1633 | bgp_clock() - bgp->rfapi_cfg->rfp_cfg.ftd_advertisement_interval; | |
1634 | ||
1635 | if (l2o) | |
1636 | { | |
1637 | if (!memcmp (l2o->macaddr.octet, rfapi_ethaddr0.octet, ETHER_ADDR_LEN)) | |
1638 | { | |
1639 | eth_is_0 = 1; | |
1640 | } | |
1641 | /* per t/c Paul/Lou 151022 */ | |
1642 | if (!eth_is_0 || l2o->logical_net_id) | |
1643 | { | |
1644 | use_eth_resolution = 1; | |
1645 | } | |
1646 | } | |
1647 | ||
1648 | if (ppNextHopEntry) | |
1649 | *ppNextHopEntry = NULL; | |
1650 | ||
1651 | /* | |
1652 | * Save original target in prefix form. In case of L2-based queries, | |
1653 | * p_original will be modified to reflect the L2 target | |
1654 | */ | |
1655 | assert(!rfapiRaddr2Qprefix (target, &p_original)); | |
1656 | ||
1657 | if (bgp->rfapi_cfg->rfp_cfg.download_type == RFAPI_RFP_DOWNLOAD_FULL) | |
1658 | { | |
1659 | /* convert query to 0/0 when full-table download is enabled */ | |
1660 | memset ((char *) &p, 0, sizeof (p)); | |
1661 | p.family = target->addr_family; | |
1662 | } | |
1663 | else | |
1664 | { | |
1665 | p = p_original; | |
1666 | } | |
1667 | ||
1668 | { | |
1669 | char buf[BUFSIZ]; | |
1670 | ||
1671 | prefix2str (&p, buf, BUFSIZ); | |
1672 | buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ | |
a3b55c25 | 1673 | vnc_zlog_debug_verbose ("%s(rfd=%p, target=%s, ppNextHop=%p)", |
65efcfce LB |
1674 | __func__, rfd, buf, ppNextHopEntry); |
1675 | } | |
1676 | ||
1677 | afi = family2afi (p.family); | |
1678 | assert (afi); | |
1679 | ||
1680 | if (CHECK_FLAG (bgp->rfapi_cfg->flags, BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP)) | |
1681 | { | |
1682 | self_vn_addr = &rfd->vn_addr; | |
1683 | } | |
1684 | ||
1685 | if (use_eth_resolution) | |
1686 | { | |
1687 | uint32_t logical_net_id = l2o->logical_net_id; | |
1688 | struct ecommunity *l2com; | |
1689 | ||
1690 | /* | |
1691 | * fix up p_original to contain L2 address | |
1692 | */ | |
1693 | rfapiL2o2Qprefix (l2o, &p_original); | |
1694 | ||
1695 | l2com = | |
1696 | bgp_rfapi_get_ecommunity_by_lni_label (bgp, 1, logical_net_id, | |
1697 | l2o->label); | |
1698 | if (l2com) | |
1699 | { | |
1700 | uint8_t *v = l2com->val; | |
1701 | logical_net_id = (v[5] << 16) + (v[6] << 8) + (v[7]); | |
1702 | } | |
1703 | /* | |
1704 | * Ethernet/L2-based lookup | |
1705 | * | |
1706 | * Always returns IT node corresponding to route | |
1707 | */ | |
1708 | ||
1709 | if (RFAPI_RFP_DOWNLOAD_FULL == bgp->rfapi_cfg->rfp_cfg.download_type) | |
1710 | { | |
1711 | eth_is_0 = 1; | |
1712 | } | |
1713 | ||
1714 | rn = rfapiMonitorEthAdd (bgp, | |
1715 | rfd, | |
1716 | (eth_is_0 ? &rfapi_ethaddr0 : &l2o->macaddr), | |
1717 | logical_net_id); | |
1718 | ||
1719 | if (eth_is_0) | |
1720 | { | |
1721 | struct rfapi_ip_prefix rprefix; | |
1722 | ||
1723 | memset (&rprefix, 0, sizeof (rprefix)); | |
1724 | rprefix.prefix.addr_family = target->addr_family; | |
1725 | if (target->addr_family == AF_INET) | |
1726 | { | |
1727 | rprefix.length = 32; | |
1728 | } | |
1729 | else | |
1730 | { | |
1731 | rprefix.length = 128; | |
1732 | } | |
1733 | ||
1734 | pNHE = rfapiEthRouteTable2NextHopList (logical_net_id, &rprefix, | |
1735 | rfd->response_lifetime, self_vn_addr, rfd->rib[afi], &p_original); | |
1736 | goto done; | |
1737 | } | |
1738 | ||
1739 | } | |
1740 | else | |
1741 | { | |
1742 | ||
1743 | /* | |
1744 | * IP-based lookup | |
1745 | */ | |
1746 | ||
1747 | rn = rfapiMonitorAdd (bgp, rfd, &p); | |
1748 | ||
1749 | /* | |
1750 | * If target address is 0, this request is special: means to | |
1751 | * return ALL routes in the table | |
1752 | * | |
1753 | * Monitors for All-Routes queries get put on a special list, | |
1754 | * not in the VPN tree | |
1755 | */ | |
1756 | if (RFAPI_0_PREFIX (&p)) | |
1757 | { | |
1758 | ||
a3b55c25 | 1759 | vnc_zlog_debug_verbose ("%s: 0-prefix", __func__); |
65efcfce LB |
1760 | |
1761 | /* | |
1762 | * Generate nexthop list for caller | |
1763 | */ | |
1764 | pNHE = rfapiRouteTable2NextHopList ( | |
1765 | rfd->import_table->imported_vpn[afi], rfd->response_lifetime, | |
1766 | self_vn_addr, rfd->rib[afi], &p_original); | |
1767 | goto done; | |
1768 | } | |
1769 | ||
1770 | if (rn) | |
1771 | { | |
1772 | route_lock_node (rn); /* so we can unlock below */ | |
1773 | } | |
1774 | else | |
1775 | { | |
1776 | /* | |
1777 | * returns locked node. Don't unlock yet because the unlock | |
1778 | * might free it before we're done with it. This situation | |
1779 | * could occur when rfapiMonitorGetAttachNode() returns a | |
1780 | * newly-created default node. | |
1781 | */ | |
1782 | rn = rfapiMonitorGetAttachNode (rfd, &p); | |
1783 | } | |
1784 | } | |
1785 | ||
1786 | assert (rn); | |
1787 | if (!rn->info) | |
1788 | { | |
1789 | route_unlock_node (rn); | |
a3b55c25 | 1790 | vnc_zlog_debug_verbose ("%s: VPN route not found, returning ENOENT", __func__); |
65efcfce LB |
1791 | return ENOENT; |
1792 | } | |
1793 | ||
1794 | if (VNC_DEBUG(RFAPI_QUERY)) | |
1795 | { | |
1796 | rfapiShowImportTable (NULL, "query", rfd->import_table->imported_vpn[afi], | |
1797 | 1); | |
1798 | } | |
1799 | ||
1800 | if (use_eth_resolution) | |
1801 | { | |
1802 | ||
1803 | struct rfapi_ip_prefix rprefix; | |
1804 | ||
1805 | memset (&rprefix, 0, sizeof (rprefix)); | |
1806 | rprefix.prefix.addr_family = target->addr_family; | |
1807 | if (target->addr_family == AF_INET) | |
1808 | { | |
1809 | rprefix.length = 32; | |
1810 | } | |
1811 | else | |
1812 | { | |
1813 | rprefix.length = 128; | |
1814 | } | |
1815 | ||
1816 | pNHE = rfapiEthRouteNode2NextHopList (rn, &rprefix, | |
1817 | rfd->response_lifetime, self_vn_addr, rfd->rib[afi], &p_original); | |
1818 | ||
1819 | ||
1820 | } | |
1821 | else | |
1822 | { | |
1823 | /* | |
1824 | * Generate answer to query | |
1825 | */ | |
1826 | pNHE = rfapiRouteNode2NextHopList(rn, rfd->response_lifetime, | |
1827 | self_vn_addr, rfd->rib[afi], &p_original); | |
1828 | } | |
1829 | ||
1830 | route_unlock_node (rn); | |
1831 | ||
1832 | done: | |
1833 | if (ppNextHopEntry) | |
1834 | { | |
1835 | /* only count if caller gets it */ | |
1836 | ++bgp->rfapi->response_immediate_count; | |
1837 | } | |
1838 | ||
1839 | if (!pNHE) | |
1840 | { | |
a3b55c25 | 1841 | vnc_zlog_debug_verbose ("%s: NO NHEs, returning ENOENT", __func__); |
65efcfce LB |
1842 | return ENOENT; |
1843 | } | |
1844 | ||
1845 | /* | |
1846 | * count nexthops for statistics | |
1847 | */ | |
1848 | for (i_nhe = pNHE; i_nhe; i_nhe = i_nhe->next) | |
1849 | { | |
1850 | ++rfd->stat_count_nh_reachable; | |
1851 | } | |
1852 | ||
1853 | if (ppNextHopEntry) | |
1854 | { | |
1855 | *ppNextHopEntry = pNHE; | |
1856 | } | |
1857 | else | |
1858 | { | |
1859 | rfapi_free_next_hop_list (pNHE); | |
1860 | } | |
1861 | ||
a3b55c25 | 1862 | vnc_zlog_debug_verbose ("%s: success", __func__); |
65efcfce LB |
1863 | return 0; |
1864 | } | |
1865 | ||
1866 | /* | |
1867 | * support on-the-fly reassignment of an already-open nve to a new | |
1868 | * nve-group in the event that its original nve-group is | |
1869 | * administratively deleted. | |
1870 | */ | |
1871 | static int | |
1872 | rfapi_open_rfd (struct rfapi_descriptor *rfd, struct bgp *bgp) | |
1873 | { | |
1874 | struct prefix pfx_vn; | |
1875 | struct prefix pfx_un; | |
1876 | struct rfapi_nve_group_cfg *rfg; | |
1877 | struct rfapi *h; | |
1878 | struct rfapi_cfg *hc; | |
65efcfce LB |
1879 | int rc; |
1880 | ||
1881 | h = bgp->rfapi; | |
1882 | if (!h) | |
1883 | return ENXIO; | |
1884 | ||
1885 | hc = bgp->rfapi_cfg; | |
1886 | if (!hc) | |
1887 | return ENXIO; | |
1888 | ||
1889 | rc = rfapiRaddr2Qprefix (&rfd->vn_addr, &pfx_vn); | |
1890 | assert (!rc); | |
1891 | ||
1892 | rc = rfapiRaddr2Qprefix (&rfd->un_addr, &pfx_un); | |
1893 | assert (!rc); | |
1894 | ||
1895 | /* | |
1896 | * Find the matching nve group config block | |
1897 | */ | |
1898 | rfg = bgp_rfapi_cfg_match_group (hc, &pfx_vn, &pfx_un); | |
1899 | if (!rfg) | |
1900 | { | |
1901 | return ENOENT; | |
1902 | } | |
1903 | ||
1904 | /* | |
1905 | * check nve group config block for required values | |
1906 | */ | |
1907 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) | |
1908 | { | |
1909 | ||
1910 | return ENOMSG; | |
1911 | } | |
1912 | ||
1913 | rc = rfapi_open_inner (rfd, bgp, h, rfg); | |
1914 | if (rc) | |
1915 | { | |
1916 | return rc; | |
1917 | } | |
1918 | ||
65efcfce LB |
1919 | /* |
1920 | * re-advertise registered routes, this time as part of new NVE-group | |
1921 | */ | |
1922 | rfapiApReadvertiseAll (bgp, rfd); | |
1923 | ||
1924 | /* | |
1925 | * re-attach callbacks to import table | |
1926 | */ | |
1927 | if (!(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_CALLBACK_DISABLE)) | |
1928 | { | |
1929 | rfapiMonitorAttachImportHd (rfd); | |
1930 | } | |
1931 | ||
1932 | return 0; | |
1933 | } | |
1934 | ||
1935 | /*------------------------------------------ | |
1936 | * rfapi_open | |
1937 | * | |
1938 | * This function initializes a NVE record and associates it with | |
1939 | * the specified VN and underlay network addresses | |
1940 | * | |
1941 | * input: | |
1942 | * rfp_start_val value returned by rfp_start | |
1943 | * vn NVE virtual network address | |
1944 | * | |
1945 | * un NVE underlay network address | |
1946 | * | |
1947 | * default_options Default options to use on registrations. | |
1948 | * For now only tunnel type is supported. | |
1949 | * May be overridden per-prefix in rfapi_register(). | |
1950 | * Caller owns (rfapi_open() does not free) | |
1951 | * | |
1952 | * response_cb Pointer to next hop list update callback function or | |
1953 | * NULL when no callbacks are desired. | |
1954 | * | |
1955 | * userdata Passed to subsequent response_cb invocations. | |
1956 | * | |
1957 | * output: | |
1958 | * response_lifetime The length of time that responses sent to this | |
1959 | * NVE are valid. | |
1960 | * | |
1961 | * pHandle pointer to location to store rfapi handle. The | |
1962 | * handle must be passed on subsequent rfapi_ calls. | |
1963 | * | |
1964 | * | |
1965 | * return value: | |
1966 | * 0 Success | |
1967 | * EEXIST NVE with this {vn,un} already open | |
1968 | * ENOENT No matching nve group config | |
1969 | * ENOMSG Matched nve group config was incomplete | |
1970 | * ENXIO BGP or VNC not configured | |
1971 | * EAFNOSUPPORT Matched nve group specifies auto-assignment of RD, | |
1972 | * but underlay network address is not IPv4 | |
1973 | * EDEADLK Called from within a callback procedure | |
1974 | *------------------------------------------*/ | |
1975 | int | |
1976 | rfapi_open ( | |
1977 | void *rfp_start_val, | |
1978 | struct rfapi_ip_addr *vn, | |
1979 | struct rfapi_ip_addr *un, | |
1980 | struct rfapi_un_option *default_options, | |
1981 | uint32_t *response_lifetime, | |
1982 | void *userdata, /* callback cookie */ | |
1983 | rfapi_handle *pHandle) | |
1984 | { | |
1985 | struct bgp *bgp; | |
1986 | struct rfapi *h; | |
1987 | struct rfapi_descriptor *rfd; | |
1988 | struct rfapi_cfg *hc; | |
1989 | struct rfapi_nve_group_cfg *rfg; | |
1990 | ||
1991 | struct prefix pfx_vn; | |
1992 | struct prefix pfx_un; | |
1993 | ||
1994 | struct route_node *rn; | |
1995 | int rc; | |
1996 | rfapi_handle hh = NULL; | |
1997 | int reusing_provisional = 0; | |
1998 | ||
1999 | afi_t afi_vn; | |
2000 | afi_t afi_un; | |
2001 | ||
2002 | { | |
2003 | char buf[2][INET_ADDRSTRLEN]; | |
a3b55c25 | 2004 | vnc_zlog_debug_verbose ("%s: VN=%s UN=%s", __func__, |
65efcfce LB |
2005 | rfapiRfapiIpAddr2Str (vn, buf[0], INET_ADDRSTRLEN), |
2006 | rfapiRfapiIpAddr2Str (un, buf[1], INET_ADDRSTRLEN)); | |
2007 | } | |
2008 | ||
2009 | assert (pHandle); | |
2010 | *pHandle = NULL; | |
2011 | ||
2012 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
2013 | if (!bgp) | |
2014 | return ENXIO; | |
2015 | ||
2016 | h = bgp->rfapi; | |
2017 | if (!h) | |
2018 | return ENXIO; | |
2019 | ||
2020 | hc = bgp->rfapi_cfg; | |
2021 | if (!hc) | |
2022 | return ENXIO; | |
2023 | ||
2024 | if (h->flags & RFAPI_INCALLBACK) | |
2025 | return EDEADLK; | |
2026 | ||
2027 | rc = rfapiRaddr2Qprefix (vn, &pfx_vn); | |
2028 | assert (!rc); | |
2029 | ||
2030 | rc = rfapiRaddr2Qprefix (un, &pfx_un); | |
2031 | assert (!rc); | |
2032 | ||
2033 | /* | |
2034 | * already have a descriptor with VN and UN? | |
2035 | */ | |
2036 | if (!rfapi_find_handle (bgp, vn, un, &hh)) | |
2037 | { | |
2038 | /* | |
2039 | * we might have set up a handle for static routes before | |
2040 | * this NVE was opened. In that case, reuse the handle | |
2041 | */ | |
2042 | rfd = hh; | |
2043 | if (!CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_PROVISIONAL)) | |
2044 | { | |
2045 | return EEXIST; | |
2046 | } | |
2047 | ||
2048 | /* | |
2049 | * reuse provisional descriptor | |
2050 | * hh is not NULL | |
2051 | */ | |
2052 | reusing_provisional = 1; | |
2053 | } | |
2054 | ||
2055 | /* | |
2056 | * Find the matching nve group config block | |
2057 | */ | |
2058 | rfg = bgp_rfapi_cfg_match_group (hc, &pfx_vn, &pfx_un); | |
2059 | if (!rfg) | |
2060 | { | |
2061 | ++h->stat.count_unknown_nves; | |
2062 | { | |
2063 | char buf[2][INET_ADDRSTRLEN]; | |
2064 | zlog_notice ("%s: no matching group VN=%s UN=%s", __func__, | |
2065 | rfapiRfapiIpAddr2Str (vn, buf[0], INET_ADDRSTRLEN), | |
2066 | rfapiRfapiIpAddr2Str (un, buf[1], INET_ADDRSTRLEN)); | |
2067 | } | |
2068 | return ENOENT; | |
2069 | } | |
2070 | ||
2071 | /* | |
2072 | * check nve group config block for required values | |
2073 | */ | |
2074 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) | |
2075 | { | |
2076 | ||
2077 | ++h->stat.count_unknown_nves; | |
2078 | return ENOMSG; | |
2079 | } | |
2080 | ||
2081 | /* | |
2082 | * If group config specifies auto-rd assignment, check that | |
2083 | * VN address is IPv4|v6 so we don't fail in rfapi_open_inner(). | |
2084 | * Check here so we don't need to unwind memory allocations, &c. | |
2085 | */ | |
2086 | if ((rfg->rd.family == AF_UNIX) && (vn->addr_family != AF_INET) | |
2087 | && (vn->addr_family != AF_INET6)) | |
2088 | { | |
2089 | return EAFNOSUPPORT; | |
2090 | } | |
2091 | ||
2092 | if (hh) | |
2093 | { | |
2094 | /* | |
2095 | * reusing provisional rfd | |
2096 | */ | |
2097 | rfd = hh; | |
2098 | } | |
2099 | else | |
2100 | { | |
2101 | rfd = XCALLOC (MTYPE_RFAPI_DESC, sizeof (struct rfapi_descriptor)); | |
2102 | } | |
2103 | assert (rfd); | |
2104 | ||
2105 | rfd->bgp = bgp; | |
2106 | if (default_options) | |
2107 | { | |
2108 | struct rfapi_un_option *p; | |
2109 | ||
2110 | for (p = default_options; p; p = p->next) | |
2111 | { | |
2112 | if ((RFAPI_UN_OPTION_TYPE_PROVISIONAL == p->type)) | |
2113 | { | |
2114 | rfd->flags |= RFAPI_HD_FLAG_PROVISIONAL; | |
2115 | } | |
2116 | if ((RFAPI_UN_OPTION_TYPE_TUNNELTYPE == p->type)) | |
2117 | { | |
2118 | rfd->default_tunneltype_option = p->v.tunnel; | |
2119 | } | |
2120 | } | |
2121 | } | |
2122 | ||
2123 | /* | |
2124 | * Fill in caller fields | |
2125 | */ | |
2126 | rfd->vn_addr = *vn; | |
2127 | rfd->un_addr = *un; | |
2128 | rfd->cookie = userdata; | |
2129 | ||
2130 | if (!reusing_provisional) | |
2131 | { | |
2132 | rfapi_time (&rfd->open_time); | |
2133 | ||
2134 | { | |
2135 | char buf_vn[BUFSIZ]; | |
2136 | char buf_un[BUFSIZ]; | |
2137 | ||
2138 | rfapiRfapiIpAddr2Str (vn, buf_vn, BUFSIZ); | |
2139 | rfapiRfapiIpAddr2Str (un, buf_un, BUFSIZ); | |
2140 | ||
a3b55c25 | 2141 | vnc_zlog_debug_verbose ("%s: new HD with VN=%s UN=%s cookie=%p", |
65efcfce LB |
2142 | __func__, buf_vn, buf_un, userdata); |
2143 | } | |
2144 | ||
2145 | listnode_add (&h->descriptors, rfd); | |
2146 | if (h->descriptors.count > h->stat.max_descriptors) | |
2147 | { | |
2148 | h->stat.max_descriptors = h->descriptors.count; | |
2149 | } | |
2150 | ||
2151 | /* | |
2152 | * attach to UN radix tree | |
2153 | */ | |
2154 | afi_vn = family2afi (rfd->vn_addr.addr_family); | |
2155 | afi_un = family2afi (rfd->un_addr.addr_family); | |
2156 | assert (afi_vn && afi_un); | |
2157 | assert (!rfapiRaddr2Qprefix (&rfd->un_addr, &pfx_un)); | |
2158 | ||
2159 | rn = route_node_get (&(h->un[afi_un]), &pfx_un); | |
2160 | assert (rn); | |
2161 | rfd->next = rn->info; | |
2162 | rn->info = rfd; | |
2163 | rfd->un_node = rn; | |
2164 | ||
2165 | rc = rfapi_open_inner (rfd, bgp, h, rfg); | |
2166 | /* | |
2167 | * This can fail only if the VN address is IPv6 and the group | |
2168 | * specified auto-assignment of RDs, which only works for v4, | |
2169 | * and the check above should catch it. | |
2170 | * | |
2171 | * Another failure possibility is that we were called | |
2172 | * during an rfapi callback. Also checked above. | |
2173 | */ | |
2174 | assert (!rc); | |
2175 | } | |
2176 | ||
2177 | if (response_lifetime) | |
2178 | *response_lifetime = rfd->response_lifetime; | |
2179 | *pHandle = rfd; | |
2180 | return 0; | |
2181 | } | |
2182 | ||
2183 | /* | |
2184 | * For use with debug functions | |
2185 | */ | |
2186 | static int | |
2187 | rfapi_set_response_cb (struct rfapi_descriptor *rfd, | |
2188 | rfapi_response_cb_t * response_cb) | |
2189 | { | |
2190 | if (!is_valid_rfd (rfd)) | |
2191 | return EBADF; | |
2192 | rfd->response_cb = response_cb; | |
2193 | return 0; | |
2194 | } | |
2195 | ||
2196 | /* | |
2197 | * rfapi_close_inner | |
2198 | * | |
2199 | * Does almost all the work of rfapi_close, except: | |
2200 | * 1. preserves the descriptor (doesn't free it) | |
2201 | * 2. preserves the prefix query list (i.e., rfd->mon list) | |
2202 | * 3. preserves the advertised prefix list (rfd->advertised) | |
2203 | * 4. preserves the rib and rib_pending tables | |
2204 | * | |
2205 | * The purpose of organizing it this way is to support on-the-fly | |
2206 | * reassignment of an already-open nve to a new nve-group in the | |
2207 | * event that its original nve-group is administratively deleted. | |
2208 | */ | |
2209 | static int | |
2210 | rfapi_close_inner (struct rfapi_descriptor *rfd, struct bgp *bgp) | |
2211 | { | |
2212 | int rc; | |
2213 | struct prefix pfx_vn; | |
2214 | struct prefix_rd prd; /* currently always 0 for VN->UN */ | |
2215 | ||
2216 | if (!is_valid_rfd (rfd)) | |
2217 | return EBADF; | |
2218 | ||
2219 | rc = rfapiRaddr2Qprefix (&rfd->vn_addr, &pfx_vn); | |
2220 | assert (!rc); /* should never have bad AF in stored vn address */ | |
2221 | ||
2222 | /* | |
2223 | * update exported routes to reflect disappearance of this NVE as nexthop | |
2224 | */ | |
2225 | vnc_direct_bgp_del_nve (bgp, rfd); | |
2226 | vnc_zebra_del_nve (bgp, rfd); | |
2227 | ||
2228 | /* | |
2229 | * unlink this HD's monitors from import table | |
2230 | */ | |
2231 | rfapiMonitorDetachImportHd (rfd); | |
2232 | ||
2233 | /* | |
2234 | * Unlink from Import Table | |
2235 | * NB rfd->import_table will be NULL if we are closing a stale descriptor | |
2236 | */ | |
2237 | if (rfd->import_table) | |
2238 | rfapiImportTableRefDelByIt (bgp, rfd->import_table); | |
2239 | rfd->import_table = NULL; | |
2240 | ||
2241 | /* | |
2242 | * Construct route distinguisher | |
2243 | */ | |
2244 | memset (&prd, 0, sizeof (prd)); | |
2245 | prd = rfd->rd; | |
2246 | prd.family = AF_UNSPEC; | |
2247 | prd.prefixlen = 64; | |
2248 | ||
2249 | /* | |
2250 | * withdraw tunnel | |
2251 | */ | |
2252 | del_vnc_route ( | |
2253 | rfd, | |
2254 | rfd->peer, | |
2255 | bgp, | |
2256 | SAFI_ENCAP, | |
2257 | &pfx_vn, /* prefix being advertised */ | |
2258 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2259 | ZEBRA_ROUTE_BGP, | |
2260 | BGP_ROUTE_RFP, | |
2261 | NULL, | |
2262 | 0); /* no kill */ | |
2263 | ||
2264 | /* | |
2265 | * Construct route distinguisher for VPN routes | |
2266 | */ | |
2267 | prd = rfd->rd; | |
2268 | prd.family = AF_UNSPEC; | |
2269 | prd.prefixlen = 64; | |
2270 | ||
2271 | /* | |
2272 | * find all VPN routes associated with this rfd and delete them, too | |
2273 | */ | |
2274 | rfapiApWithdrawAll (bgp, rfd); | |
2275 | ||
2276 | /* | |
2277 | * remove this nve descriptor from the list of nves | |
2278 | * associated with the nve group | |
2279 | */ | |
2280 | if (rfd->rfg) | |
2281 | { | |
2282 | listnode_delete (rfd->rfg->nves, rfd); | |
2283 | rfd->rfg = NULL; /* XXX mark as orphaned/stale */ | |
2284 | } | |
2285 | ||
2286 | if (rfd->rt_export_list) | |
2287 | ecommunity_free (&rfd->rt_export_list); | |
2288 | rfd->rt_export_list = NULL; | |
2289 | ||
2290 | /* | |
2291 | * free peer structure (possibly delayed until its | |
2292 | * refcount reaches zero) | |
2293 | */ | |
2294 | if (rfd->peer) | |
2295 | { | |
a3b55c25 | 2296 | vnc_zlog_debug_verbose ("%s: calling peer_delete(%p), #%d", |
65efcfce LB |
2297 | __func__, rfd->peer, rfd->peer->lock); |
2298 | peer_delete (rfd->peer); | |
2299 | } | |
2300 | rfd->peer = NULL; | |
2301 | ||
2302 | return 0; | |
2303 | } | |
2304 | ||
2305 | int | |
2306 | rfapi_close (void *handle) | |
2307 | { | |
2308 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
2309 | int rc; | |
2310 | struct route_node *node; | |
2311 | struct bgp *bgp; | |
2312 | struct rfapi *h; | |
65efcfce | 2313 | |
a3b55c25 | 2314 | vnc_zlog_debug_verbose ("%s: rfd=%p", __func__, rfd); |
65efcfce LB |
2315 | |
2316 | #if RFAPI_WHO_IS_CALLING_ME | |
2317 | #ifdef HAVE_GLIBC_BACKTRACE | |
2318 | #define RFAPI_DEBUG_BACKTRACE_NENTRIES 5 | |
2319 | { | |
2320 | void *buf[RFAPI_DEBUG_BACKTRACE_NENTRIES]; | |
2321 | char **syms; | |
2322 | int i; | |
2323 | size_t size; | |
2324 | ||
2325 | size = backtrace (buf, RFAPI_DEBUG_BACKTRACE_NENTRIES); | |
2326 | syms = backtrace_symbols (buf, size); | |
2327 | for (i = 0; i < size && i < RFAPI_DEBUG_BACKTRACE_NENTRIES; ++i) | |
2328 | { | |
a3b55c25 | 2329 | vnc_zlog_debug_verbose ("backtrace[%2d]: %s", i, syms[i]); |
65efcfce LB |
2330 | } |
2331 | free (syms); | |
2332 | } | |
2333 | #endif | |
2334 | #endif | |
2335 | ||
2336 | bgp = rfd->bgp; | |
2337 | if (!bgp) | |
2338 | return ENXIO; | |
2339 | ||
2340 | h = bgp->rfapi; | |
2341 | if (!h) | |
2342 | return ENXIO; | |
2343 | ||
2344 | if (!is_valid_rfd (rfd)) | |
2345 | return EBADF; | |
2346 | ||
2347 | if (h->flags & RFAPI_INCALLBACK) | |
2348 | { | |
2349 | /* | |
2350 | * Queue these close requests for processing after callback | |
2351 | * is finished | |
2352 | */ | |
2353 | if (!CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) | |
2354 | { | |
2355 | work_queue_add (h->deferred_close_q, handle); | |
a3b55c25 | 2356 | vnc_zlog_debug_verbose ("%s: added handle %p to deferred close queue", |
65efcfce LB |
2357 | __func__, handle); |
2358 | } | |
2359 | return 0; | |
2360 | } | |
2361 | ||
65efcfce LB |
2362 | if (CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) |
2363 | { | |
2364 | ||
a3b55c25 | 2365 | vnc_zlog_debug_verbose ("%s administrative close rfd=%p", __func__, rfd); |
65efcfce LB |
2366 | |
2367 | if (h && h->rfp_methods.close_cb) | |
2368 | { | |
a3b55c25 | 2369 | vnc_zlog_debug_verbose ("%s calling close callback rfd=%p", __func__, rfd); |
65efcfce LB |
2370 | |
2371 | /* | |
2372 | * call the callback fairly early so that it can still lookup un/vn | |
2373 | * from handle, etc. | |
2374 | * | |
2375 | * NB RFAPI_INCALLBACK is tested above, so if we reach this point | |
2376 | * we are not already in the context of a callback. | |
2377 | */ | |
2378 | h->flags |= RFAPI_INCALLBACK; | |
2379 | (*h->rfp_methods.close_cb) (handle, EIDRM); | |
2380 | h->flags &= ~RFAPI_INCALLBACK; | |
2381 | } | |
2382 | } | |
2383 | ||
2384 | if (rfd->rfg) | |
2385 | { | |
2386 | /* | |
2387 | * Orphaned descriptors have already done this part, so do | |
2388 | * only for non-orphaned descriptors. | |
2389 | */ | |
2390 | if ((rc = rfapi_close_inner (rfd, bgp))) | |
2391 | return rc; | |
2392 | } | |
2393 | ||
2394 | /* | |
2395 | * Remove descriptor from UN index | |
2396 | * (remove from chain at node) | |
2397 | */ | |
2398 | rc = rfapi_find_node (bgp, &rfd->vn_addr, &rfd->un_addr, &node); | |
2399 | if (!rc) | |
2400 | { | |
2401 | struct rfapi_descriptor *hh; | |
2402 | ||
2403 | if (node->info == rfd) | |
2404 | { | |
2405 | node->info = rfd->next; | |
2406 | } | |
2407 | else | |
2408 | { | |
2409 | ||
2410 | for (hh = node->info; hh; hh = hh->next) | |
2411 | { | |
2412 | if (hh->next == rfd) | |
2413 | { | |
2414 | hh->next = rfd->next; | |
2415 | break; | |
2416 | } | |
2417 | } | |
2418 | } | |
2419 | route_unlock_node (node); | |
2420 | } | |
2421 | ||
2422 | /* | |
2423 | * remove from descriptor list | |
2424 | */ | |
2425 | listnode_delete (&h->descriptors, rfd); | |
2426 | ||
2427 | /* | |
2428 | * Delete monitor list items and free monitor structures | |
2429 | */ | |
2430 | (void) rfapiMonitorDelHd (rfd); | |
2431 | ||
2432 | /* | |
2433 | * release advertised prefix data | |
2434 | */ | |
2435 | rfapiApRelease (&rfd->advertised); | |
2436 | ||
2437 | /* | |
2438 | * Release RFP callback RIB | |
2439 | */ | |
2440 | rfapiRibFree (rfd); | |
2441 | ||
2442 | /* | |
2443 | * free descriptor | |
2444 | */ | |
2445 | memset (rfd, 0, sizeof (struct rfapi_descriptor)); | |
2446 | XFREE (MTYPE_RFAPI_DESC, rfd); | |
2447 | ||
2448 | return 0; | |
2449 | } | |
2450 | ||
2451 | /* | |
2452 | * Reopen a nve descriptor. If the descriptor's NVE-group | |
2453 | * does not exist (e.g., if it has been administratively removed), | |
2454 | * reassignment to a new NVE-group is attempted. | |
2455 | * | |
2456 | * If NVE-group reassignment fails, the descriptor becomes "stale" | |
2457 | * (rfd->rfg == NULL implies "stale:). The only permissible API operation | |
2458 | * on a stale descriptor is rfapi_close(). Any other rfapi_* API operation | |
2459 | * on the descriptor will return ESTALE. | |
2460 | * | |
2461 | * Reopening a descriptor is a potentially expensive operation, because | |
2462 | * it involves withdrawing any routes advertised by the NVE, withdrawing | |
2463 | * the NVE's route queries, and then re-adding them all after a new | |
2464 | * NVE-group is assigned. There are also possible route-export affects | |
2465 | * caused by deleting and then adding the NVE: advertised prefixes | |
2466 | * and nexthop lists for exported routes can turn over. | |
2467 | */ | |
2468 | int | |
2469 | rfapi_reopen (struct rfapi_descriptor *rfd, struct bgp *bgp) | |
2470 | { | |
2471 | struct rfapi *h; | |
65efcfce LB |
2472 | int rc; |
2473 | ||
2474 | if ((rc = rfapi_close_inner (rfd, bgp))) | |
2475 | { | |
2476 | return rc; | |
2477 | } | |
2478 | if ((rc = rfapi_open_rfd (rfd, bgp))) | |
2479 | { | |
2480 | ||
2481 | h = bgp->rfapi; | |
65efcfce LB |
2482 | |
2483 | assert (!CHECK_FLAG (h->flags, RFAPI_INCALLBACK)); | |
2484 | ||
2485 | if (CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY) && | |
2486 | h && h->rfp_methods.close_cb) | |
2487 | { | |
2488 | ||
2489 | /* | |
2490 | * NB RFAPI_INCALLBACK is tested above, so if we reach this point | |
2491 | * we are not already in the context of a callback. | |
2492 | */ | |
2493 | h->flags |= RFAPI_INCALLBACK; | |
2494 | (*h->rfp_methods.close_cb) ((rfapi_handle) rfd, ESTALE); | |
2495 | h->flags &= ~RFAPI_INCALLBACK; | |
2496 | } | |
2497 | return rc; | |
2498 | } | |
2499 | return 0; | |
2500 | } | |
2501 | ||
2502 | /*********************************************************************** | |
2503 | * NVE Routes | |
2504 | ***********************************************************************/ | |
2505 | /* | |
2506 | * Announce reachability to this prefix via the NVE | |
2507 | */ | |
2508 | int | |
2509 | rfapi_register ( | |
2510 | void *handle, | |
2511 | struct rfapi_ip_prefix *prefix, | |
2512 | uint32_t lifetime, /* host byte order */ | |
2513 | struct rfapi_un_option *options_un, | |
2514 | struct rfapi_vn_option *options_vn, | |
2515 | rfapi_register_action action) | |
2516 | { | |
2517 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
2518 | struct bgp *bgp; | |
2519 | struct prefix p; | |
2520 | struct prefix *pfx_ip = NULL; | |
2521 | struct prefix_rd prd; | |
2522 | int afi; | |
2523 | struct prefix pfx_mac_buf; | |
2524 | struct prefix *pfx_mac = NULL; | |
2525 | struct prefix pfx_vn_buf; | |
2526 | const char *action_str = NULL; | |
2527 | uint32_t *label = NULL; | |
2528 | struct rfapi_vn_option *vo; | |
2529 | struct rfapi_l2address_option *l2o = NULL; | |
65efcfce LB |
2530 | struct prefix_rd *prd_override = NULL; |
2531 | ||
2532 | switch (action) | |
2533 | { | |
2534 | case RFAPI_REGISTER_ADD: | |
2535 | action_str = "add"; | |
2536 | break; | |
2537 | case RFAPI_REGISTER_WITHDRAW: | |
2538 | action_str = "withdraw"; | |
2539 | break; | |
2540 | case RFAPI_REGISTER_KILL: | |
2541 | action_str = "kill"; | |
2542 | break; | |
2543 | default: | |
2544 | assert (0); | |
2545 | break; | |
2546 | } | |
2547 | ||
2548 | /* | |
2549 | * Inspect VN options | |
2550 | */ | |
2551 | for (vo = options_vn; vo; vo = vo->next) | |
2552 | { | |
2553 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) | |
2554 | { | |
2555 | l2o = &vo->v.l2addr; | |
2556 | } | |
65efcfce LB |
2557 | if (RFAPI_VN_OPTION_TYPE_INTERNAL_RD == vo->type) |
2558 | { | |
2559 | prd_override = &vo->v.internal_rd; | |
2560 | } | |
2561 | } | |
2562 | ||
2563 | /********************************************************************* | |
2564 | * advertise prefix | |
2565 | *********************************************************************/ | |
2566 | ||
2567 | /* | |
2568 | * set <p> based on <prefix> | |
2569 | */ | |
2570 | assert (!rfapiRprefix2Qprefix (prefix, &p)); | |
2571 | ||
2572 | afi = family2afi (prefix->prefix.addr_family); | |
2573 | assert (afi); | |
2574 | ||
2575 | ||
2576 | { | |
2577 | char buf[BUFSIZ]; | |
2578 | ||
2579 | prefix2str (&p, buf, BUFSIZ); | |
2580 | buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ | |
a3b55c25 | 2581 | vnc_zlog_debug_verbose |
65efcfce LB |
2582 | ("%s(rfd=%p, pfx=%s, lifetime=%d, opts_un=%p, opts_vn=%p, action=%s)", |
2583 | __func__, rfd, buf, lifetime, options_un, options_vn, action_str); | |
2584 | } | |
2585 | ||
2586 | /* | |
2587 | * These tests come after the prefix conversion so that we can | |
2588 | * print the prefix in a debug message before failing | |
2589 | */ | |
2590 | ||
2591 | bgp = rfd->bgp; | |
2592 | if (!bgp) | |
2593 | { | |
a3b55c25 | 2594 | vnc_zlog_debug_verbose ("%s: no BGP instance: returning ENXIO", __func__); |
65efcfce LB |
2595 | return ENXIO; |
2596 | } | |
2597 | if (!bgp->rfapi) | |
2598 | { | |
a3b55c25 | 2599 | vnc_zlog_debug_verbose ("%s: no RFAPI instance: returning ENXIO", __func__); |
65efcfce LB |
2600 | return ENXIO; |
2601 | } | |
2602 | if (!rfd->rfg) | |
2603 | { | |
2604 | if (RFAPI_REGISTER_ADD == action) | |
2605 | { | |
2606 | ++bgp->rfapi->stat.count_registrations_failed; | |
2607 | } | |
a3b55c25 | 2608 | vnc_zlog_debug_verbose ("%s: rfd=%p, no RF GRP instance: returning ESTALE", |
65efcfce LB |
2609 | __func__, rfd); |
2610 | return ESTALE; | |
2611 | } | |
2612 | ||
2613 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) | |
2614 | { | |
2615 | if (RFAPI_REGISTER_ADD == action) | |
2616 | { | |
2617 | ++bgp->rfapi->stat.count_registrations_failed; | |
2618 | } | |
a3b55c25 | 2619 | vnc_zlog_debug_verbose ("%s: in callback: returning EDEADLK", __func__); |
65efcfce LB |
2620 | return EDEADLK; |
2621 | } | |
2622 | ||
2623 | if (!is_valid_rfd (rfd)) | |
2624 | { | |
2625 | if (RFAPI_REGISTER_ADD == action) | |
2626 | { | |
2627 | ++bgp->rfapi->stat.count_registrations_failed; | |
2628 | } | |
a3b55c25 | 2629 | vnc_zlog_debug_verbose ("%s: invalid handle: returning EBADF", __func__); |
65efcfce LB |
2630 | return EBADF; |
2631 | } | |
2632 | ||
2633 | /* | |
2634 | * Is there a MAC address in this registration? | |
2635 | */ | |
2636 | if (l2o && !RFAPI_0_ETHERADDR (&l2o->macaddr)) | |
2637 | { | |
2638 | rfapiL2o2Qprefix (l2o, &pfx_mac_buf); | |
2639 | pfx_mac = &pfx_mac_buf; | |
2640 | } | |
2641 | ||
2642 | /* | |
2643 | * Is there an IP prefix in this registration? | |
2644 | */ | |
2645 | if (!(RFAPI_0_PREFIX (&p) && RFAPI_HOST_PREFIX (&p))) | |
2646 | { | |
2647 | pfx_ip = &p; | |
2648 | } | |
2649 | else | |
2650 | { | |
2651 | if (!pfx_mac) | |
2652 | { | |
a3b55c25 | 2653 | vnc_zlog_debug_verbose ("%s: missing mac addr that is required for host 0 pfx", |
65efcfce LB |
2654 | __func__); |
2655 | if (RFAPI_REGISTER_ADD == action) | |
2656 | { | |
2657 | ++bgp->rfapi->stat.count_registrations_failed; | |
2658 | } | |
2659 | return EINVAL; | |
2660 | } | |
2661 | if (rfapiRaddr2Qprefix (&rfd->vn_addr, &pfx_vn_buf)) | |
2662 | { | |
a3b55c25 | 2663 | vnc_zlog_debug_verbose ("%s: handle has bad vn_addr: returning EBADF", |
65efcfce LB |
2664 | __func__); |
2665 | if (RFAPI_REGISTER_ADD == action) | |
2666 | { | |
2667 | ++bgp->rfapi->stat.count_registrations_failed; | |
2668 | } | |
2669 | return EBADF; | |
2670 | } | |
2671 | } | |
2672 | ||
2673 | if (RFAPI_REGISTER_ADD == action) | |
2674 | { | |
2675 | ++bgp->rfapi->stat.count_registrations; | |
2676 | } | |
2677 | ||
2678 | /* | |
2679 | * Figure out if this registration is missing an IP address | |
2680 | * | |
2681 | * MAC-addr based: | |
2682 | * | |
2683 | * In RFAPI, we use prefixes in family AF_LINK to store | |
2684 | * the MAC addresses. These prefixes are used for the | |
2685 | * list of advertised prefixes and in the RFAPI import | |
2686 | * tables. | |
2687 | * | |
2688 | * In BGP proper, we use the prefix matching the NVE's | |
2689 | * VN address with a host prefix-length (i.e., 32 or 128). | |
2690 | * | |
2691 | */ | |
2692 | if (l2o && l2o->logical_net_id && RFAPI_0_PREFIX (&p) && | |
2693 | RFAPI_HOST_PREFIX (&p)) | |
2694 | { | |
2695 | ||
2696 | rfapiL2o2Qprefix (l2o, &pfx_mac_buf); | |
2697 | pfx_mac = &pfx_mac_buf; | |
2698 | } | |
2699 | ||
2700 | /* | |
2701 | * Construct route distinguisher | |
2702 | */ | |
2703 | if (prd_override) | |
2704 | { | |
2705 | prd = *prd_override; | |
2706 | } | |
2707 | else | |
2708 | { | |
2709 | memset (&prd, 0, sizeof (prd)); | |
2710 | if (pfx_mac) | |
2711 | { | |
2712 | prd.family = AF_UNSPEC; | |
2713 | prd.prefixlen = 64; | |
2714 | encode_rd_type(RD_TYPE_VNC_ETH, prd.val); | |
2715 | if (l2o->local_nve_id || !(rfd->rfg->flags & RFAPI_RFG_L2RD)) | |
2716 | { | |
2717 | /* | |
2718 | * If Local NVE ID is specified in message, use it. | |
2719 | * (if no local default configured, also use it even if 0) | |
2720 | */ | |
2721 | prd.val[1] = l2o->local_nve_id; | |
2722 | } | |
2723 | else | |
2724 | { | |
2725 | if (rfd->rfg->l2rd) | |
2726 | { | |
2727 | /* | |
2728 | * locally-configured literal value | |
2729 | */ | |
2730 | prd.val[1] = rfd->rfg->l2rd; | |
2731 | } | |
2732 | else | |
2733 | { | |
2734 | /* | |
2735 | * 0 means auto:vn, which means use LSB of VN addr | |
2736 | */ | |
2737 | if (rfd->vn_addr.addr_family == AF_INET) | |
2738 | { | |
2739 | prd.val[1] = | |
2740 | *(((char *) &rfd->vn_addr.addr.v4.s_addr) + 3); | |
2741 | } | |
2742 | else | |
2743 | { | |
2744 | prd.val[1] = | |
2745 | *(((char *) &rfd->vn_addr.addr.v6.s6_addr) + 15); | |
2746 | } | |
2747 | } | |
2748 | } | |
2749 | memcpy (prd.val + 2, pfx_mac->u.prefix_eth.octet, 6); | |
2750 | } | |
2751 | else | |
2752 | { | |
2753 | prd = rfd->rd; | |
2754 | prd.family = AF_UNSPEC; | |
2755 | prd.prefixlen = 64; | |
2756 | } | |
2757 | } | |
2758 | ||
2759 | ||
2760 | if (action == RFAPI_REGISTER_WITHDRAW || action == RFAPI_REGISTER_KILL) | |
2761 | { | |
2762 | ||
2763 | int adv_tunnel = 0; | |
2764 | ||
2765 | /* | |
2766 | * withdraw previous advertisement | |
2767 | */ | |
2768 | del_vnc_route ( | |
2769 | rfd, | |
2770 | rfd->peer, | |
2771 | bgp, | |
2772 | SAFI_MPLS_VPN, | |
2773 | pfx_ip ? pfx_ip : &pfx_vn_buf, /* prefix being advertised */ | |
2774 | &prd, /* route distinguisher (0 for ENCAP) */ | |
2775 | ZEBRA_ROUTE_BGP, | |
2776 | BGP_ROUTE_RFP, | |
2777 | NULL, | |
2778 | action == RFAPI_REGISTER_KILL); | |
2779 | ||
2780 | if (0 == rfapiApDelete (bgp, rfd, &p, pfx_mac, &adv_tunnel)) | |
2781 | { | |
2782 | if (adv_tunnel) | |
2783 | rfapiTunnelRouteAnnounce (bgp, rfd, &rfd->max_prefix_lifetime); | |
2784 | } | |
2785 | ||
2786 | } | |
2787 | else | |
2788 | { | |
2789 | ||
2790 | int adv_tunnel = 0; | |
2791 | uint32_t local_pref; | |
2792 | struct ecommunity *rtlist = NULL; | |
2793 | struct ecommunity_val ecom_value; | |
2794 | ||
2795 | if (!rfapiApCount (rfd)) | |
2796 | { | |
2797 | /* | |
2798 | * make sure we advertise tunnel route upon adding the | |
2799 | * first VPN route | |
2800 | */ | |
2801 | adv_tunnel = 1; | |
2802 | } | |
2803 | ||
2804 | if (rfapiApAdd (bgp, rfd, &p, pfx_mac, &prd, lifetime, prefix->cost, | |
2805 | l2o)) | |
2806 | { | |
2807 | adv_tunnel = 1; | |
2808 | } | |
2809 | ||
a3b55c25 | 2810 | vnc_zlog_debug_verbose ("%s: adv_tunnel = %d", __func__, adv_tunnel); |
65efcfce LB |
2811 | if (adv_tunnel) |
2812 | { | |
a3b55c25 | 2813 | vnc_zlog_debug_verbose ("%s: announcing tunnel route", __func__); |
65efcfce LB |
2814 | rfapiTunnelRouteAnnounce (bgp, rfd, &rfd->max_prefix_lifetime); |
2815 | } | |
2816 | ||
a3b55c25 | 2817 | vnc_zlog_debug_verbose ("%s: calling add_vnc_route", __func__); |
65efcfce LB |
2818 | |
2819 | local_pref = rfp_cost_to_localpref (prefix->cost); | |
2820 | ||
2821 | if (l2o && l2o->label) | |
2822 | label = &l2o->label; | |
2823 | ||
2824 | if (pfx_mac) | |
2825 | { | |
2826 | struct ecommunity *l2com = NULL; | |
2827 | ||
2828 | if (label) | |
2829 | { | |
2830 | l2com = bgp_rfapi_get_ecommunity_by_lni_label (bgp, 1, | |
2831 | l2o->logical_net_id, | |
2832 | *label); | |
2833 | } | |
2834 | if (l2com) | |
2835 | { | |
2836 | rtlist = ecommunity_dup (l2com); | |
2837 | } | |
2838 | else | |
2839 | { | |
2840 | /* | |
2841 | * If mac address is set, add an RT based on the registered LNI | |
2842 | */ | |
2843 | memset ((char *) &ecom_value, 0, sizeof (ecom_value)); | |
79799987 | 2844 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; |
65efcfce LB |
2845 | ecom_value.val[5] = (l2o->logical_net_id >> 16) & 0xff; |
2846 | ecom_value.val[6] = (l2o->logical_net_id >> 8) & 0xff; | |
2847 | ecom_value.val[7] = (l2o->logical_net_id >> 0) & 0xff; | |
2848 | rtlist = ecommunity_new(); | |
2849 | ecommunity_add_val (rtlist, &ecom_value); | |
2850 | } | |
79799987 LB |
2851 | if (l2o->tag_id) |
2852 | { | |
2853 | as_t as = bgp->as; | |
2854 | uint16_t val = l2o->tag_id; | |
2855 | memset ((char *) &ecom_value, 0, sizeof (ecom_value)); | |
2856 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2857 | if (as > BGP_AS_MAX) | |
2858 | { | |
2859 | ecom_value.val[0] = ECOMMUNITY_ENCODE_AS4; | |
2860 | ecom_value.val[2] = (as >>24) & 0xff; | |
2861 | ecom_value.val[3] = (as >>16) & 0xff; | |
2862 | ecom_value.val[4] = (as >>8) & 0xff; | |
2863 | ecom_value.val[5] = as & 0xff; | |
2864 | } | |
2865 | else | |
2866 | { | |
2867 | ecom_value.val[0] = ECOMMUNITY_ENCODE_AS; | |
2868 | ecom_value.val[2] = (as >>8) & 0xff; | |
2869 | ecom_value.val[3] = as & 0xff; | |
2870 | } | |
2871 | ecom_value.val[6] = (val >> 8) & 0xff; | |
2872 | ecom_value.val[7] = val & 0xff; | |
2873 | if (rtlist == NULL) | |
2874 | rtlist = ecommunity_new(); | |
2875 | ecommunity_add_val (rtlist, &ecom_value); | |
2876 | } | |
65efcfce LB |
2877 | } |
2878 | ||
2879 | /* | |
2880 | * advertise prefix via tunnel endpoint | |
2881 | */ | |
2882 | add_vnc_route ( | |
2883 | rfd, /* rfapi descr, for export list & backref */ | |
2884 | bgp, /* which bgp instance */ | |
2885 | SAFI_MPLS_VPN, /* which SAFI */ | |
2886 | (pfx_ip ? pfx_ip : &pfx_vn_buf), /* prefix being advertised */ | |
2887 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2888 | &rfd->vn_addr, /* nexthop */ | |
2889 | &local_pref, | |
2890 | &lifetime, /* prefix lifetime -> Tunnel Encap attr */ | |
2891 | NULL, | |
2892 | options_un, /* rfapi un options */ | |
2893 | options_vn, /* rfapi vn options */ | |
2894 | (rtlist ? rtlist : rfd->rt_export_list), | |
2895 | NULL, /* med */ | |
2896 | label, /* label: default */ | |
2897 | ZEBRA_ROUTE_BGP, | |
2898 | BGP_ROUTE_RFP, | |
2899 | 0); | |
2900 | ||
2901 | if (rtlist) | |
2902 | ecommunity_free (&rtlist); /* sets rtlist = NULL */ | |
2903 | } | |
2904 | ||
a3b55c25 | 2905 | vnc_zlog_debug_verbose ("%s: success", __func__); |
65efcfce LB |
2906 | return 0; |
2907 | } | |
2908 | ||
2909 | int | |
2910 | rfapi_query ( | |
2911 | void *handle, | |
2912 | struct rfapi_ip_addr *target, | |
2913 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
2914 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
2915 | { | |
2916 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
2917 | struct bgp *bgp = rfd->bgp; | |
2918 | int rc; | |
2919 | ||
2920 | assert (ppNextHopEntry); | |
2921 | *ppNextHopEntry = NULL; | |
2922 | ||
2923 | if (bgp && bgp->rfapi) | |
2924 | { | |
2925 | bgp->rfapi->stat.count_queries++; | |
2926 | } | |
2927 | ||
2928 | if (!rfd->rfg) | |
2929 | { | |
2930 | if (bgp && bgp->rfapi) | |
2931 | ++bgp->rfapi->stat.count_queries_failed; | |
2932 | return ESTALE; | |
2933 | } | |
2934 | ||
2935 | if ((rc = rfapi_query_inner (handle, target, l2o, ppNextHopEntry))) | |
2936 | { | |
2937 | if (bgp && bgp->rfapi) | |
2938 | ++bgp->rfapi->stat.count_queries_failed; | |
2939 | } | |
2940 | return rc; | |
2941 | } | |
2942 | ||
2943 | int | |
2944 | rfapi_query_done (rfapi_handle handle, struct rfapi_ip_addr *target) | |
2945 | { | |
2946 | struct prefix p; | |
2947 | int rc; | |
2948 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
2949 | struct bgp *bgp = rfd->bgp; | |
2950 | ||
2951 | if (!rfd->rfg) | |
2952 | return ESTALE; | |
2953 | ||
2954 | assert (target); | |
2955 | rc = rfapiRaddr2Qprefix (target, &p); | |
2956 | assert (!rc); | |
2957 | ||
2958 | if (!is_valid_rfd (rfd)) | |
2959 | return EBADF; | |
2960 | ||
2961 | /* preemptive */ | |
2962 | if (!bgp || !bgp->rfapi) | |
2963 | return ENXIO; | |
2964 | ||
2965 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) | |
2966 | return EDEADLK; | |
2967 | ||
2968 | rfapiMonitorDel (bgp, rfd, &p); | |
2969 | ||
2970 | return 0; | |
2971 | } | |
2972 | ||
2973 | int | |
2974 | rfapi_query_done_all (rfapi_handle handle, int *count) | |
2975 | { | |
2976 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
2977 | struct bgp *bgp = rfd->bgp;; | |
2978 | int num; | |
2979 | ||
2980 | if (!rfd->rfg) | |
2981 | return ESTALE; | |
2982 | ||
2983 | if (!is_valid_rfd (rfd)) | |
2984 | return EBADF; | |
2985 | ||
2986 | /* preemptive */ | |
2987 | if (!bgp || !bgp->rfapi) | |
2988 | return ENXIO; | |
2989 | ||
2990 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) | |
2991 | return EDEADLK; | |
2992 | ||
2993 | num = rfapiMonitorDelHd (rfd); | |
2994 | ||
2995 | if (count) | |
2996 | *count = num; | |
2997 | ||
2998 | return 0; | |
2999 | } | |
3000 | ||
3001 | void | |
3002 | rfapi_free_next_hop_list (struct rfapi_next_hop_entry *list) | |
3003 | { | |
3004 | struct rfapi_next_hop_entry *nh; | |
3005 | struct rfapi_next_hop_entry *next; | |
3006 | ||
3007 | for (nh = list; nh; nh = next) | |
3008 | { | |
3009 | next = nh->next; | |
3010 | rfapi_un_options_free (nh->un_options); | |
3011 | nh->un_options = NULL; | |
3012 | rfapi_vn_options_free (nh->vn_options); | |
3013 | nh->vn_options = NULL; | |
3014 | XFREE (MTYPE_RFAPI_NEXTHOP, nh); | |
3015 | } | |
3016 | } | |
3017 | ||
3018 | /* | |
3019 | * NULL handle => return total count across all nves | |
3020 | */ | |
3021 | uint32_t | |
3022 | rfapi_monitor_count (void *handle) | |
3023 | { | |
3024 | struct bgp *bgp = bgp_get_default (); | |
3025 | uint32_t count; | |
3026 | ||
3027 | if (handle) | |
3028 | { | |
3029 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; | |
3030 | count = rfd->monitor_count; | |
3031 | } | |
3032 | else | |
3033 | { | |
3034 | ||
3035 | if (!bgp || !bgp->rfapi) | |
3036 | return 0; | |
3037 | ||
3038 | count = bgp->rfapi->monitor_count; | |
3039 | } | |
3040 | ||
3041 | return count; | |
3042 | } | |
3043 | ||
3044 | /*********************************************************************** | |
3045 | * CLI/CONFIG | |
3046 | ***********************************************************************/ | |
3047 | ||
3048 | DEFUN (debug_rfapi_show_nves, | |
3049 | debug_rfapi_show_nves_cmd, | |
3050 | "debug rfapi-dev show nves", | |
3051 | DEBUG_STR | |
3052 | DEBUG_RFAPI_STR | |
3053 | SHOW_STR | |
3054 | "NVE Information\n") | |
3055 | { | |
3056 | rfapiPrintMatchingDescriptors (vty, NULL, NULL); | |
3057 | return CMD_SUCCESS; | |
3058 | } | |
3059 | ||
3060 | DEFUN ( | |
3061 | debug_rfapi_show_nves_vn_un, | |
3062 | debug_rfapi_show_nves_vn_un_cmd, | |
034d2de2 | 3063 | "debug rfapi-dev show nves <vn|un> <A.B.C.D|X:X::X:X>", /* prefix also ok */ |
65efcfce LB |
3064 | DEBUG_STR |
3065 | DEBUG_RFAPI_STR | |
3066 | SHOW_STR | |
3067 | "NVE Information\n" | |
034d2de2 DS |
3068 | "Specify virtual network\n" |
3069 | "Specify underlay network interface\n" | |
3070 | "IPv4 address\n" | |
3071 | "IPv6 address\n") | |
65efcfce LB |
3072 | { |
3073 | struct prefix pfx; | |
3074 | ||
aed3273f | 3075 | if (!str2prefix (argv[5]->arg, &pfx)) |
65efcfce | 3076 | { |
aed3273f | 3077 | vty_out (vty, "Malformed address \"%s\"%s", argv[5]->arg, VTY_NEWLINE); |
65efcfce LB |
3078 | return CMD_WARNING; |
3079 | } | |
3080 | if (pfx.family != AF_INET && pfx.family != AF_INET6) | |
3081 | { | |
aed3273f | 3082 | vty_out (vty, "Invalid address \"%s\"%s", argv[5]->arg, VTY_NEWLINE); |
65efcfce LB |
3083 | return CMD_WARNING; |
3084 | } | |
3085 | ||
aed3273f | 3086 | if (argv[4]->arg[0] == 'u') |
65efcfce LB |
3087 | { |
3088 | rfapiPrintMatchingDescriptors (vty, NULL, &pfx); | |
3089 | } | |
3090 | else | |
3091 | { | |
3092 | rfapiPrintMatchingDescriptors (vty, &pfx, NULL); | |
3093 | } | |
3094 | return CMD_SUCCESS; | |
3095 | } | |
3096 | ||
3097 | /* | |
3098 | * Note: this function does not flush vty output, so if it is called | |
3099 | * with a stream pointing to a vty, the user will have to type something | |
3100 | * before the callback output shows up | |
3101 | */ | |
3102 | static void | |
3103 | test_nexthops_callback ( | |
3104 | // struct rfapi_ip_addr *target, | |
3105 | struct rfapi_next_hop_entry *next_hops, | |
3106 | void *userdata) | |
3107 | { | |
3108 | void *stream = userdata; | |
3109 | ||
3110 | int (*fp) (void *, const char *, ...); | |
3111 | struct vty *vty; | |
3112 | void *out; | |
3113 | const char *vty_newline; | |
3114 | ||
3115 | if (rfapiStream2Vty (stream, &fp, &vty, &out, &vty_newline) == 0) | |
3116 | return; | |
3117 | ||
3118 | fp (out, "Nexthops Callback, Target=("); | |
3119 | //rfapiPrintRfapiIpAddr(stream, target); | |
3120 | fp (out, ")%s", VTY_NEWLINE); | |
3121 | ||
3122 | rfapiPrintNhl (stream, next_hops); | |
3123 | ||
3124 | rfapi_free_next_hop_list (next_hops); | |
3125 | } | |
3126 | ||
3127 | DEFUN (debug_rfapi_open, | |
3128 | debug_rfapi_open_cmd, | |
034d2de2 | 3129 | "debug rfapi-dev open vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
3130 | DEBUG_STR |
3131 | DEBUG_RFAPI_STR | |
3132 | "rfapi_open\n" | |
3133 | "indicate vn addr follows\n" | |
034d2de2 DS |
3134 | "virtual network interface IPv4 address\n" |
3135 | "virtual network interface IPv6 address\n" | |
3136 | "indicate xt addr follows\n" | |
3137 | "underlay network interface IPv4 address\n" | |
3138 | "underlay network interface IPv6 address\n") | |
65efcfce LB |
3139 | { |
3140 | struct rfapi_ip_addr vn; | |
3141 | struct rfapi_ip_addr un; | |
3142 | uint32_t lifetime; | |
3143 | int rc; | |
3144 | rfapi_handle handle; | |
3145 | ||
3146 | /* | |
3147 | * Get VN addr | |
3148 | */ | |
aed3273f | 3149 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3150 | return rc; |
3151 | ||
3152 | /* | |
3153 | * Get UN addr | |
3154 | */ | |
aed3273f | 3155 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3156 | return rc; |
3157 | ||
3158 | rc = rfapi_open (rfapi_get_rfp_start_val_by_bgp (bgp_get_default ()), | |
3159 | &vn, &un, /*&uo */ NULL, &lifetime, NULL, &handle); | |
3160 | ||
3161 | vty_out (vty, "rfapi_open: status %d, handle %p, lifetime %d%s", | |
3162 | rc, handle, lifetime, VTY_NEWLINE); | |
3163 | ||
3164 | rc = rfapi_set_response_cb (handle, test_nexthops_callback); | |
3165 | ||
3166 | vty_out (vty, "rfapi_set_response_cb: status %d%s", rc, VTY_NEWLINE); | |
3167 | ||
3168 | return CMD_SUCCESS; | |
3169 | } | |
3170 | ||
3171 | ||
3172 | DEFUN (debug_rfapi_close_vn_un, | |
3173 | debug_rfapi_close_vn_un_cmd, | |
034d2de2 | 3174 | "debug rfapi-dev close vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
3175 | DEBUG_STR |
3176 | DEBUG_RFAPI_STR | |
3177 | "rfapi_close\n" | |
3178 | "indicate vn addr follows\n" | |
034d2de2 DS |
3179 | "virtual network interface IPv4 address\n" |
3180 | "virtual network interface IPv6 address\n" | |
3181 | "indicate xt addr follows\n" | |
3182 | "underlay network interface IPv4 address\n" | |
3183 | "underlay network interface IPv6 address\n") | |
65efcfce LB |
3184 | { |
3185 | struct rfapi_ip_addr vn; | |
3186 | struct rfapi_ip_addr un; | |
3187 | rfapi_handle handle; | |
3188 | int rc; | |
3189 | ||
3190 | /* | |
3191 | * Get VN addr | |
3192 | */ | |
aed3273f | 3193 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3194 | return rc; |
3195 | ||
3196 | ||
3197 | /* | |
3198 | * Get UN addr | |
3199 | */ | |
aed3273f | 3200 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3201 | return rc; |
3202 | ||
3203 | ||
3204 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3205 | { | |
3206 | vty_out (vty, "can't locate handle matching vn=%s, un=%s%s", | |
aed3273f | 3207 | argv[4]->arg, argv[6]->arg, VTY_NEWLINE); |
65efcfce LB |
3208 | return CMD_WARNING; |
3209 | } | |
3210 | ||
3211 | rc = rfapi_close (handle); | |
3212 | ||
3213 | vty_out (vty, "rfapi_close(handle=%p): status %d%s", handle, rc, | |
3214 | VTY_NEWLINE); | |
3215 | ||
3216 | return CMD_SUCCESS; | |
3217 | } | |
3218 | ||
3219 | DEFUN (debug_rfapi_close_rfd, | |
3220 | debug_rfapi_close_rfd_cmd, | |
3221 | "debug rfapi-dev close rfd HANDLE", | |
3222 | DEBUG_STR | |
3223 | DEBUG_RFAPI_STR | |
3224 | "rfapi_close\n" | |
3225 | "indicate handle follows\n" "rfapi handle in hexadecimal\n") | |
3226 | { | |
3227 | rfapi_handle handle; | |
3228 | int rc; | |
3229 | char *endptr = NULL; | |
3230 | ||
aed3273f | 3231 | handle = (rfapi_handle) (uintptr_t) (strtoull (argv[4]->arg, &endptr, 16)); |
65efcfce LB |
3232 | |
3233 | if (*endptr != '\0' || (uintptr_t) handle == UINTPTR_MAX) | |
3234 | { | |
aed3273f | 3235 | vty_out (vty, "Invalid value: %s%s", argv[4]->arg, VTY_NEWLINE); |
65efcfce LB |
3236 | return CMD_WARNING; |
3237 | } | |
3238 | ||
3239 | rc = rfapi_close (handle); | |
3240 | ||
3241 | vty_out (vty, "rfapi_close(handle=%p): status %d%s", handle, rc, | |
3242 | VTY_NEWLINE); | |
3243 | ||
3244 | return CMD_SUCCESS; | |
3245 | } | |
3246 | ||
3247 | DEFUN (debug_rfapi_register_vn_un, | |
3248 | debug_rfapi_register_vn_un_cmd, | |
034d2de2 | 3249 | "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 |
3250 | DEBUG_STR |
3251 | DEBUG_RFAPI_STR | |
3252 | "rfapi_register\n" | |
3253 | "indicate vn addr follows\n" | |
3254 | "virtual network IPv4 interface address\n" | |
3255 | "virtual network IPv6 interface address\n" | |
3256 | "indicate un addr follows\n" | |
3257 | "underlay network IPv4 interface address\n" | |
3258 | "underlay network IPv6 interface address\n" | |
3259 | "indicate prefix follows\n" | |
3260 | "IPv4 prefix\n" | |
034d2de2 DS |
3261 | "IPv6 prefix\n" |
3262 | "indicate lifetime follows\n" | |
3263 | "lifetime\n") | |
65efcfce LB |
3264 | { |
3265 | struct rfapi_ip_addr vn; | |
3266 | struct rfapi_ip_addr un; | |
3267 | rfapi_handle handle; | |
3268 | struct prefix pfx; | |
3269 | uint32_t lifetime; | |
3270 | struct rfapi_ip_prefix hpfx; | |
3271 | int rc; | |
3272 | ||
3273 | /* | |
3274 | * Get VN addr | |
3275 | */ | |
aed3273f | 3276 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3277 | return rc; |
3278 | ||
3279 | ||
3280 | /* | |
3281 | * Get UN addr | |
3282 | */ | |
aed3273f | 3283 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3284 | return rc; |
3285 | ||
3286 | ||
3287 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3288 | { | |
3289 | vty_out (vty, "can't locate handle matching vn=%s, un=%s%s", | |
aed3273f | 3290 | argv[4]->arg, argv[6]->arg, VTY_NEWLINE); |
65efcfce LB |
3291 | return CMD_WARNING; |
3292 | } | |
3293 | ||
3294 | /* | |
3295 | * Get prefix to advertise | |
3296 | */ | |
aed3273f | 3297 | if (!str2prefix (argv[8]->arg, &pfx)) |
65efcfce | 3298 | { |
aed3273f | 3299 | vty_out (vty, "Malformed prefix \"%s\"%s", argv[8]->arg, VTY_NEWLINE); |
65efcfce LB |
3300 | return CMD_WARNING; |
3301 | } | |
3302 | if (pfx.family != AF_INET && pfx.family != AF_INET6) | |
3303 | { | |
aed3273f | 3304 | vty_out (vty, "Bad family for prefix \"%s\"%s", argv[8]->arg, VTY_NEWLINE); |
65efcfce LB |
3305 | return CMD_WARNING; |
3306 | } | |
3307 | rfapiQprefix2Rprefix (&pfx, &hpfx); | |
3308 | ||
aed3273f | 3309 | if (!strcmp (argv[10]->arg, "infinite")) |
65efcfce LB |
3310 | { |
3311 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3312 | } | |
3313 | else | |
3314 | { | |
aed3273f | 3315 | VTY_GET_INTEGER ("Lifetime", lifetime, argv[10]->arg); |
65efcfce LB |
3316 | } |
3317 | ||
3318 | ||
3319 | rc = rfapi_register (handle, &hpfx, lifetime, NULL, NULL, 0); | |
3320 | if (rc) | |
3321 | { | |
3322 | vty_out (vty, "rfapi_register failed with rc=%d (%s)%s", rc, | |
3323 | strerror (rc), VTY_NEWLINE); | |
3324 | } | |
3325 | ||
3326 | return CMD_SUCCESS; | |
3327 | } | |
3328 | ||
3329 | DEFUN (debug_rfapi_register_vn_un_l2o, | |
3330 | debug_rfapi_register_vn_un_l2o_cmd, | |
034d2de2 | 3331 | "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 |
3332 | DEBUG_STR |
3333 | DEBUG_RFAPI_STR | |
3334 | "rfapi_register\n" | |
3335 | "indicate vn addr follows\n" | |
3336 | "virtual network IPv4 interface address\n" | |
3337 | "virtual network IPv6 interface address\n" | |
3338 | "indicate un addr follows\n" | |
3339 | "underlay network IPv4 interface address\n" | |
3340 | "underlay network IPv6 interface address\n" | |
3341 | "indicate prefix follows\n" | |
3342 | "IPv4 prefix\n" | |
034d2de2 DS |
3343 | "IPv6 prefix\n" |
3344 | "indicate lifetime follows\n" | |
3345 | "Seconds of lifetime\n" | |
3346 | "indicate MAC address follows\n" | |
3347 | "MAC address\n" | |
3348 | "indicate lni follows\n" | |
3349 | "lni value range\n") | |
65efcfce LB |
3350 | { |
3351 | struct rfapi_ip_addr vn; | |
3352 | struct rfapi_ip_addr un; | |
3353 | rfapi_handle handle; | |
3354 | struct prefix pfx; | |
3355 | uint32_t lifetime; | |
3356 | struct rfapi_ip_prefix hpfx; | |
3357 | int rc; | |
3358 | struct rfapi_vn_option optary[10]; /* XXX must be big enough */ | |
3359 | struct rfapi_vn_option *opt = NULL; | |
3360 | int opt_next = 0; | |
3361 | ||
3362 | /* | |
3363 | * Get VN addr | |
3364 | */ | |
aed3273f | 3365 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3366 | return rc; |
3367 | ||
3368 | ||
3369 | /* | |
3370 | * Get UN addr | |
3371 | */ | |
aed3273f | 3372 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3373 | return rc; |
3374 | ||
3375 | ||
3376 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3377 | { | |
3378 | vty_out (vty, "can't locate handle matching vn=%s, un=%s%s", | |
aed3273f | 3379 | argv[4]->arg, argv[6]->arg, VTY_NEWLINE); |
65efcfce LB |
3380 | return CMD_WARNING; |
3381 | } | |
3382 | ||
3383 | /* | |
3384 | * Get prefix to advertise | |
3385 | */ | |
aed3273f | 3386 | if (!str2prefix (argv[8]->arg, &pfx)) |
65efcfce | 3387 | { |
aed3273f | 3388 | vty_out (vty, "Malformed prefix \"%s\"%s", argv[8]->arg, VTY_NEWLINE); |
65efcfce LB |
3389 | return CMD_WARNING; |
3390 | } | |
3391 | if (pfx.family != AF_INET && pfx.family != AF_INET6) | |
3392 | { | |
aed3273f | 3393 | vty_out (vty, "Bad family for prefix \"%s\"%s", argv[8]->arg, VTY_NEWLINE); |
65efcfce LB |
3394 | return CMD_WARNING; |
3395 | } | |
3396 | rfapiQprefix2Rprefix (&pfx, &hpfx); | |
3397 | ||
aed3273f | 3398 | if (!strcmp (argv[10]->arg, "infinite")) |
65efcfce LB |
3399 | { |
3400 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3401 | } | |
3402 | else | |
3403 | { | |
aed3273f | 3404 | VTY_GET_INTEGER ("Lifetime", lifetime, argv[10]->arg); |
65efcfce LB |
3405 | } |
3406 | ||
3407 | /* L2 option parsing START */ | |
3408 | memset (optary, 0, sizeof (optary)); | |
3409 | VTY_GET_INTEGER ("Logical Network ID", | |
aed3273f DL |
3410 | optary[opt_next].v.l2addr.logical_net_id, argv[14]->arg); |
3411 | if ((rc = rfapiStr2EthAddr (argv[12]->arg, &optary[opt_next].v.l2addr.macaddr))) | |
65efcfce | 3412 | { |
aed3273f | 3413 | vty_out (vty, "Bad mac address \"%s\"%s", argv[12]->arg, VTY_NEWLINE); |
65efcfce LB |
3414 | return CMD_WARNING; |
3415 | } | |
3416 | optary[opt_next].type = RFAPI_VN_OPTION_TYPE_L2ADDR; | |
3417 | if (opt_next) | |
3418 | { | |
3419 | optary[opt_next - 1].next = optary + opt_next; | |
3420 | } | |
3421 | else | |
3422 | { | |
3423 | opt = optary; | |
3424 | } | |
3425 | ++opt_next; | |
3426 | /* L2 option parsing END */ | |
3427 | ||
3428 | /* TBD fixme */ | |
3429 | rc = rfapi_register (handle, &hpfx, lifetime, NULL /* &uo */ , opt, 0); | |
3430 | if (rc) | |
3431 | { | |
3432 | vty_out (vty, "rfapi_register failed with rc=%d (%s)%s", rc, | |
3433 | strerror (rc), VTY_NEWLINE); | |
3434 | } | |
3435 | ||
3436 | return CMD_SUCCESS; | |
3437 | } | |
3438 | ||
3439 | ||
3440 | DEFUN (debug_rfapi_unregister_vn_un, | |
3441 | debug_rfapi_unregister_vn_un_cmd, | |
034d2de2 | 3442 | "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 |
3443 | DEBUG_STR |
3444 | DEBUG_RFAPI_STR | |
3445 | "rfapi_register\n" | |
3446 | "indicate vn addr follows\n" | |
3447 | "virtual network interface address\n" | |
3448 | "indicate xt addr follows\n" | |
3449 | "underlay network interface address\n" | |
3450 | "indicate prefix follows\n" "prefix") | |
3451 | { | |
3452 | struct rfapi_ip_addr vn; | |
3453 | struct rfapi_ip_addr un; | |
3454 | rfapi_handle handle; | |
3455 | struct prefix pfx; | |
3456 | struct rfapi_ip_prefix hpfx; | |
3457 | int rc; | |
3458 | ||
3459 | /* | |
3460 | * Get VN addr | |
3461 | */ | |
aed3273f | 3462 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3463 | return rc; |
3464 | ||
3465 | ||
3466 | /* | |
3467 | * Get UN addr | |
3468 | */ | |
aed3273f | 3469 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3470 | return rc; |
3471 | ||
3472 | ||
3473 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3474 | { | |
3475 | vty_out (vty, "can't locate handle matching vn=%s, un=%s%s", | |
aed3273f | 3476 | argv[4]->arg, argv[6]->arg, VTY_NEWLINE); |
65efcfce LB |
3477 | return CMD_WARNING; |
3478 | } | |
3479 | ||
3480 | /* | |
3481 | * Get prefix to advertise | |
3482 | */ | |
aed3273f | 3483 | if (!str2prefix (argv[8]->arg, &pfx)) |
65efcfce | 3484 | { |
aed3273f | 3485 | vty_out (vty, "Malformed prefix \"%s\"%s", argv[8]->arg, VTY_NEWLINE); |
65efcfce LB |
3486 | return CMD_WARNING; |
3487 | } | |
3488 | if (pfx.family != AF_INET && pfx.family != AF_INET6) | |
3489 | { | |
aed3273f | 3490 | vty_out (vty, "Bad family for prefix \"%s\"%s", argv[8]->arg, VTY_NEWLINE); |
65efcfce LB |
3491 | return CMD_WARNING; |
3492 | } | |
3493 | rfapiQprefix2Rprefix (&pfx, &hpfx); | |
3494 | ||
3495 | rfapi_register (handle, &hpfx, 0, NULL, NULL, 1); | |
3496 | ||
3497 | return CMD_SUCCESS; | |
3498 | } | |
3499 | ||
3500 | DEFUN (debug_rfapi_query_vn_un, | |
3501 | debug_rfapi_query_vn_un_cmd, | |
034d2de2 | 3502 | "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 |
3503 | DEBUG_STR |
3504 | DEBUG_RFAPI_STR | |
3505 | "rfapi_query\n" | |
3506 | "indicate vn addr follows\n" | |
034d2de2 DS |
3507 | "virtual network interface IPv4 address\n" |
3508 | "virtual network interface IPv6 address\n" | |
3509 | "indicate un addr follows\n" | |
3510 | "IPv4 un address\n" | |
3511 | "IPv6 un address\n" | |
3512 | "indicate target follows\n" | |
3513 | "target IPv4 address\n" | |
3514 | "target IPv6 address\n") | |
65efcfce LB |
3515 | { |
3516 | struct rfapi_ip_addr vn; | |
3517 | struct rfapi_ip_addr un; | |
3518 | struct rfapi_ip_addr target; | |
3519 | rfapi_handle handle; | |
3520 | int rc; | |
3521 | struct rfapi_next_hop_entry *pNextHopEntry; | |
3522 | ||
3523 | /* | |
3524 | * Get VN addr | |
3525 | */ | |
aed3273f | 3526 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3527 | return rc; |
3528 | ||
3529 | ||
3530 | /* | |
3531 | * Get UN addr | |
3532 | */ | |
aed3273f | 3533 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3534 | return rc; |
3535 | ||
3536 | ||
3537 | /* | |
3538 | * Get target addr | |
3539 | */ | |
aed3273f | 3540 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[8]->arg, &target))) |
65efcfce LB |
3541 | return rc; |
3542 | ||
3543 | ||
3544 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3545 | { | |
3546 | vty_out (vty, "can't locate handle matching vn=%s, un=%s%s", | |
aed3273f | 3547 | argv[4]->arg, argv[6]->arg, VTY_NEWLINE); |
65efcfce LB |
3548 | return CMD_WARNING; |
3549 | } | |
3550 | ||
3551 | /* | |
3552 | * options parameter not used? Set to NULL for now | |
3553 | */ | |
3554 | rc = rfapi_query (handle, &target, NULL, &pNextHopEntry); | |
3555 | ||
3556 | if (rc) | |
3557 | { | |
3558 | vty_out (vty, "rfapi_query failed with rc=%d (%s)%s", rc, | |
3559 | strerror (rc), VTY_NEWLINE); | |
3560 | } | |
3561 | else | |
3562 | { | |
3563 | /* | |
3564 | * print nexthop list | |
3565 | */ | |
3566 | test_nexthops_callback ( /*&target, */ pNextHopEntry, vty); /* frees nh list! */ | |
3567 | } | |
3568 | ||
3569 | return CMD_SUCCESS; | |
3570 | } | |
3571 | ||
3572 | ||
3573 | DEFUN (debug_rfapi_query_vn_un_l2o, | |
3574 | debug_rfapi_query_vn_un_l2o_cmd, | |
034d2de2 | 3575 | "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 |
3576 | DEBUG_STR |
3577 | DEBUG_RFAPI_STR | |
3578 | "rfapi_query\n" | |
3579 | "indicate vn addr follows\n" | |
034d2de2 DS |
3580 | "virtual network interface IPv4 address\n" |
3581 | "virtual network interface IPv6 address\n" | |
65efcfce | 3582 | "indicate xt addr follows\n" |
034d2de2 DS |
3583 | "underlay network interface IPv4 address\n" |
3584 | "underlay network interface IPv6 address\n" | |
65efcfce LB |
3585 | "logical network ID follows\n" |
3586 | "logical network ID\n" | |
034d2de2 DS |
3587 | "indicate target MAC addr follows\n" |
3588 | "target MAC addr\n") | |
65efcfce LB |
3589 | { |
3590 | struct rfapi_ip_addr vn; | |
3591 | struct rfapi_ip_addr un; | |
3592 | struct rfapi_ip_addr target; | |
3593 | rfapi_handle handle; | |
3594 | int rc; | |
3595 | struct rfapi_next_hop_entry *pNextHopEntry; | |
3596 | struct rfapi_l2address_option l2o_buf; | |
3597 | struct bgp_tea_options hopt; | |
3598 | uint8_t valbuf[14]; | |
3599 | ||
3600 | /* | |
3601 | * Get VN addr | |
3602 | */ | |
aed3273f | 3603 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) |
65efcfce LB |
3604 | return rc; |
3605 | ||
3606 | ||
3607 | /* | |
3608 | * Get UN addr | |
3609 | */ | |
aed3273f | 3610 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) |
65efcfce LB |
3611 | return rc; |
3612 | ||
3613 | ||
aed3273f | 3614 | #if 0 /* there is no IP target arg here ?????? */ |
65efcfce LB |
3615 | /* |
3616 | * Get target addr | |
3617 | */ | |
3618 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[2], &target))) | |
3619 | return rc; | |
aed3273f DL |
3620 | #else |
3621 | vty_out (vty, "%% This command is broken.%s", VTY_NEWLINE); | |
3622 | return CMD_WARNING; | |
3623 | #endif | |
65efcfce LB |
3624 | |
3625 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3626 | { | |
3627 | vty_out (vty, "can't locate handle matching vn=%s, un=%s%s", | |
aed3273f | 3628 | argv[4]->arg, argv[6]->arg, VTY_NEWLINE); |
65efcfce LB |
3629 | return CMD_WARNING; |
3630 | } | |
3631 | ||
3632 | /* | |
3633 | * Set up L2 parameters | |
3634 | */ | |
3635 | memset (&l2o_buf, 0, sizeof (l2o_buf)); | |
aed3273f | 3636 | if (rfapiStr2EthAddr (argv[10]->arg, &l2o_buf.macaddr)) |
65efcfce | 3637 | { |
aed3273f | 3638 | vty_out (vty, "Bad mac address \"%s\"%s", argv[10]->arg, VTY_NEWLINE); |
65efcfce LB |
3639 | return CMD_WARNING; |
3640 | } | |
3641 | ||
aed3273f | 3642 | VTY_GET_INTEGER ("Logical Network ID", l2o_buf.logical_net_id, argv[8]->arg); |
65efcfce LB |
3643 | |
3644 | /* construct option chain */ | |
3645 | ||
3646 | memset (valbuf, 0, sizeof (valbuf)); | |
3647 | memcpy (valbuf, &l2o_buf.macaddr.octet, ETHER_ADDR_LEN); | |
3648 | valbuf[11] = (l2o_buf.logical_net_id >> 16) & 0xff; | |
3649 | valbuf[12] = (l2o_buf.logical_net_id >> 8) & 0xff; | |
3650 | valbuf[13] = l2o_buf.logical_net_id & 0xff; | |
3651 | ||
3652 | memset (&hopt, 0, sizeof (hopt)); | |
3653 | hopt.options_count = 1; | |
3654 | hopt.options_length = sizeof (valbuf); /* is this right? */ | |
3655 | hopt.type = RFAPI_VN_OPTION_TYPE_L2ADDR; | |
3656 | hopt.length = sizeof (valbuf); | |
3657 | hopt.value = valbuf; | |
3658 | ||
3659 | ||
3660 | /* | |
3661 | * options parameter not used? Set to NULL for now | |
3662 | */ | |
3663 | rc = rfapi_query (handle, &target, &l2o_buf, &pNextHopEntry); | |
3664 | ||
3665 | if (rc) | |
3666 | { | |
3667 | vty_out (vty, "rfapi_query failed with rc=%d (%s)%s", rc, | |
3668 | strerror (rc), VTY_NEWLINE); | |
3669 | } | |
3670 | else | |
3671 | { | |
3672 | /* | |
3673 | * print nexthop list | |
3674 | */ | |
3675 | /* TBD enhance to print L2 information */ | |
3676 | test_nexthops_callback ( /*&target, */ pNextHopEntry, vty); /* frees nh list! */ | |
3677 | } | |
3678 | ||
3679 | return CMD_SUCCESS; | |
3680 | } | |
3681 | ||
3682 | ||
3683 | DEFUN (debug_rfapi_query_done_vn_un, | |
3684 | debug_rfapi_query_vn_un_done_cmd, | |
034d2de2 | 3685 | "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 |
3686 | DEBUG_STR |
3687 | DEBUG_RFAPI_STR | |
3688 | "rfapi_query_done\n" | |
034d2de2 | 3689 | "rfapi_query_done\n" |
65efcfce | 3690 | "indicate vn addr follows\n" |
034d2de2 DS |
3691 | "virtual network interface IPv4 address\n" |
3692 | "virtual network interface IPv6 address\n" | |
65efcfce | 3693 | "indicate xt addr follows\n" |
034d2de2 DS |
3694 | "underlay network interface IPv4 address\n" |
3695 | "underlay network interface IPv6 address\n" | |
3696 | "indicate target follows\n" | |
3697 | "Target IPv4 address\n" | |
3698 | "Target IPv6 address\n") | |
65efcfce LB |
3699 | { |
3700 | struct rfapi_ip_addr vn; | |
3701 | struct rfapi_ip_addr un; | |
3702 | struct rfapi_ip_addr target; | |
3703 | rfapi_handle handle; | |
3704 | int rc; | |
3705 | ||
3706 | /* | |
3707 | * Get VN addr | |
3708 | */ | |
aed3273f | 3709 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[5]->arg, &vn))) |
65efcfce LB |
3710 | return rc; |
3711 | ||
3712 | ||
3713 | /* | |
3714 | * Get UN addr | |
3715 | */ | |
aed3273f | 3716 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[7]->arg, &un))) |
65efcfce LB |
3717 | return rc; |
3718 | ||
3719 | ||
3720 | /* | |
3721 | * Get target addr | |
3722 | */ | |
aed3273f | 3723 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[9]->arg, &target))) |
65efcfce LB |
3724 | return rc; |
3725 | ||
3726 | ||
3727 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3728 | { | |
3729 | vty_out (vty, "can't locate handle matching vn=%s, un=%s%s", | |
aed3273f | 3730 | argv[5]->arg, argv[7]->arg, VTY_NEWLINE); |
65efcfce LB |
3731 | return CMD_WARNING; |
3732 | } | |
3733 | ||
3734 | /* | |
3735 | * options parameter not used? Set to NULL for now | |
3736 | */ | |
3737 | rc = rfapi_query_done (handle, &target); | |
3738 | ||
3739 | vty_out (vty, "rfapi_query_done returned %d%s", rc, VTY_NEWLINE); | |
3740 | ||
3741 | return CMD_SUCCESS; | |
3742 | } | |
3743 | ||
3744 | DEFUN (debug_rfapi_show_import, | |
3745 | debug_rfapi_show_import_cmd, | |
3746 | "debug rfapi-dev show import", | |
3747 | DEBUG_STR | |
3748 | DEBUG_RFAPI_STR | |
3749 | SHOW_STR | |
3750 | "import\n") | |
3751 | { | |
3752 | struct bgp *bgp; | |
3753 | struct rfapi *h; | |
3754 | struct rfapi_import_table *it; | |
3755 | char *s; | |
3756 | int first_l2 = 1; | |
3757 | ||
3758 | /* | |
3759 | * Show all import tables | |
3760 | */ | |
3761 | ||
3762 | bgp = bgp_get_default (); /* assume 1 instance for now */ | |
3763 | if (!bgp) | |
3764 | { | |
3765 | vty_out (vty, "No BGP instance%s", VTY_NEWLINE); | |
3766 | return CMD_WARNING; | |
3767 | } | |
3768 | ||
3769 | h = bgp->rfapi; | |
3770 | if (!h) | |
3771 | { | |
3772 | vty_out (vty, "No RFAPI instance%s", VTY_NEWLINE); | |
3773 | return CMD_WARNING; | |
3774 | } | |
3775 | ||
3776 | /* | |
3777 | * Iterate over all import tables; do a filtered import | |
3778 | * for the afi/safi combination | |
3779 | */ | |
3780 | ||
3781 | ||
3782 | for (it = h->imports; it; it = it->next) | |
3783 | { | |
3784 | s = ecommunity_ecom2str (it->rt_import_list, | |
3785 | ECOMMUNITY_FORMAT_ROUTE_MAP); | |
3786 | vty_out (vty, "Import Table %p, RTs: %s%s", it, s, VTY_NEWLINE); | |
3787 | XFREE (MTYPE_ECOMMUNITY_STR, s); | |
3788 | ||
3789 | rfapiShowImportTable (vty, "IP VPN", it->imported_vpn[AFI_IP], 1); | |
3790 | rfapiShowImportTable (vty, "IP ENCAP", it->imported_encap[AFI_IP], 0); | |
3791 | rfapiShowImportTable (vty, "IP6 VPN", it->imported_vpn[AFI_IP6], 1); | |
3792 | rfapiShowImportTable (vty, "IP6 ENCAP", it->imported_encap[AFI_IP6], 0); | |
3793 | } | |
3794 | ||
3795 | if (h->import_mac) | |
3796 | { | |
3797 | void *cursor = NULL; | |
3798 | uint32_t lni; | |
3799 | uintptr_t lni_as_ptr; | |
3800 | int rc; | |
3801 | char buf[BUFSIZ]; | |
3802 | ||
3803 | for (rc = | |
3804 | skiplist_next (h->import_mac, (void **) &lni_as_ptr, (void **) &it, | |
3805 | &cursor); !rc; | |
3806 | rc = | |
3807 | skiplist_next (h->import_mac, (void **) &lni_as_ptr, (void **) &it, | |
3808 | &cursor)) | |
3809 | { | |
3810 | ||
3811 | if (it->imported_vpn[AFI_ETHER]) | |
3812 | { | |
3813 | lni = lni_as_ptr; | |
3814 | if (first_l2) | |
3815 | { | |
3816 | vty_out (vty, "%sLNI-based Ethernet Tables:%s", | |
3817 | VTY_NEWLINE, VTY_NEWLINE); | |
3818 | first_l2 = 0; | |
3819 | } | |
3820 | snprintf (buf, BUFSIZ, "L2VPN LNI=%u", lni); | |
3821 | rfapiShowImportTable (vty, buf, it->imported_vpn[AFI_ETHER], 1); | |
3822 | } | |
3823 | } | |
3824 | } | |
3825 | ||
3826 | rfapiShowImportTable (vty, "CE IT - IP VPN", | |
3827 | h->it_ce->imported_vpn[AFI_IP], 1); | |
3828 | ||
3829 | return CMD_SUCCESS; | |
3830 | } | |
3831 | ||
3832 | DEFUN (debug_rfapi_show_import_vn_un, | |
3833 | debug_rfapi_show_import_vn_un_cmd, | |
034d2de2 | 3834 | "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 |
3835 | DEBUG_STR |
3836 | DEBUG_RFAPI_STR | |
3837 | SHOW_STR | |
3838 | "import\n" | |
3839 | "indicate vn addr follows\n" | |
034d2de2 DS |
3840 | "virtual network interface IPv4 address\n" |
3841 | "virtual network interface IPv6 address\n" | |
3842 | "indicate xt addr follows\n" | |
3843 | "underlay network interface IPv4 address\n" | |
3844 | "underlay network interface IPv6 address\n") | |
65efcfce LB |
3845 | { |
3846 | struct rfapi_ip_addr vn; | |
3847 | struct rfapi_ip_addr un; | |
3848 | rfapi_handle handle; | |
3849 | int rc; | |
3850 | struct rfapi_descriptor *rfd; | |
3851 | ||
3852 | /* | |
3853 | * Get VN addr | |
3854 | */ | |
aed3273f | 3855 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[5]->arg, &vn))) |
65efcfce LB |
3856 | return rc; |
3857 | ||
3858 | ||
3859 | /* | |
3860 | * Get UN addr | |
3861 | */ | |
aed3273f | 3862 | if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[7]->arg, &un))) |
65efcfce LB |
3863 | return rc; |
3864 | ||
3865 | ||
3866 | if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) | |
3867 | { | |
3868 | vty_out (vty, "can't locate handle matching vn=%s, un=%s%s", | |
aed3273f | 3869 | argv[5]->arg, argv[7]->arg, VTY_NEWLINE); |
65efcfce LB |
3870 | return CMD_WARNING; |
3871 | } | |
3872 | ||
3873 | rfd = (struct rfapi_descriptor *) handle; | |
3874 | ||
3875 | rfapiShowImportTable (vty, "IP VPN", | |
3876 | rfd->import_table->imported_vpn[AFI_IP], 1); | |
3877 | rfapiShowImportTable (vty, "IP ENCAP", | |
3878 | rfd->import_table->imported_encap[AFI_IP], 0); | |
3879 | rfapiShowImportTable (vty, "IP6 VPN", | |
3880 | rfd->import_table->imported_vpn[AFI_IP6], 1); | |
3881 | rfapiShowImportTable (vty, "IP6 ENCAP", | |
3882 | rfd->import_table->imported_encap[AFI_IP6], 0); | |
3883 | ||
3884 | return CMD_SUCCESS; | |
3885 | } | |
3886 | ||
3887 | DEFUN (debug_rfapi_response_omit_self, | |
3888 | debug_rfapi_response_omit_self_cmd, | |
034d2de2 | 3889 | "debug rfapi-dev response-omit-self <on|off>", |
65efcfce LB |
3890 | DEBUG_STR |
3891 | DEBUG_RFAPI_STR | |
3892 | "Omit self in RFP responses\n" | |
3893 | "filter out self from responses\n" "leave self in responses\n") | |
3894 | { | |
3895 | struct bgp *bgp = bgp_get_default (); | |
3896 | ||
3897 | if (!bgp) | |
3898 | { | |
3899 | vty_out (vty, "No BGP process is configured%s", VTY_NEWLINE); | |
3900 | return CMD_WARNING; | |
3901 | } | |
3902 | if (!bgp->rfapi_cfg) | |
3903 | { | |
3904 | vty_out (vty, "VNC not configured%s", VTY_NEWLINE); | |
3905 | return CMD_WARNING; | |
3906 | } | |
3907 | ||
aed3273f | 3908 | if (!strcmp (argv[3]->arg, "on")) |
65efcfce LB |
3909 | SET_FLAG (bgp->rfapi_cfg->flags, BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); |
3910 | else | |
3911 | UNSET_FLAG (bgp->rfapi_cfg->flags, BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3912 | ||
3913 | return CMD_SUCCESS; | |
3914 | } | |
3915 | ||
3916 | ||
3917 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
3918 | ||
f8b6f499 | 3919 | #include "lib/skiplist.h" |
65efcfce LB |
3920 | DEFUN (skiplist_test_cli, |
3921 | skiplist_test_cli_cmd, | |
3922 | "skiplist test", | |
3923 | "skiplist command\n" | |
3924 | "test\n") | |
3925 | { | |
3926 | skiplist_test (vty); | |
3927 | ||
3928 | return CMD_SUCCESS; | |
3929 | } | |
3930 | ||
3931 | DEFUN (skiplist_debug_cli, | |
3932 | skiplist_debug_cli_cmd, | |
3933 | "skiplist debug", | |
3934 | "skiplist command\n" | |
3935 | "debug\n") | |
3936 | { | |
3937 | skiplist_debug (vty, NULL); | |
3938 | return CMD_SUCCESS; | |
3939 | } | |
3940 | ||
3941 | #endif /* RFAPI_DEBUG_SKIPLIST_CLI */ | |
3942 | ||
3943 | void | |
3944 | rfapi_init (void) | |
3945 | { | |
3946 | bgp_rfapi_cfg_init (); | |
3947 | vnc_debug_init(); | |
3948 | ||
3949 | install_element (ENABLE_NODE, &debug_rfapi_show_import_cmd); | |
3950 | install_element (ENABLE_NODE, &debug_rfapi_show_import_vn_un_cmd); | |
3951 | ||
3952 | install_element (ENABLE_NODE, &debug_rfapi_open_cmd); | |
3953 | install_element (ENABLE_NODE, &debug_rfapi_close_vn_un_cmd); | |
3954 | install_element (ENABLE_NODE, &debug_rfapi_close_rfd_cmd); | |
3955 | install_element (ENABLE_NODE, &debug_rfapi_register_vn_un_cmd); | |
3956 | install_element (ENABLE_NODE, &debug_rfapi_unregister_vn_un_cmd); | |
3957 | install_element (ENABLE_NODE, &debug_rfapi_query_vn_un_cmd); | |
3958 | install_element (ENABLE_NODE, &debug_rfapi_query_vn_un_done_cmd); | |
3959 | install_element (ENABLE_NODE, &debug_rfapi_query_vn_un_l2o_cmd); | |
3960 | ||
3961 | install_element (ENABLE_NODE, &debug_rfapi_response_omit_self_cmd); | |
3962 | ||
3963 | /* Need the following show commands for gpz test scripts */ | |
3964 | install_element (ENABLE_NODE, &debug_rfapi_show_nves_cmd); | |
3965 | install_element (ENABLE_NODE, &debug_rfapi_show_nves_vn_un_cmd); | |
3966 | install_element (ENABLE_NODE, &debug_rfapi_register_vn_un_l2o_cmd); | |
3967 | ||
3968 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
3969 | install_element (ENABLE_NODE, &skiplist_test_cli_cmd); | |
3970 | install_element (ENABLE_NODE, &skiplist_debug_cli_cmd); | |
3971 | #endif | |
3972 | ||
3973 | rfapi_vty_init (); | |
3974 | } | |
3975 | ||
3976 | #ifdef DEBUG_RFAPI | |
3977 | static void | |
3978 | rfapi_print_exported (struct bgp *bgp) | |
3979 | { | |
3980 | struct bgp_node *rdn; | |
3981 | struct bgp_node *rn; | |
3982 | struct bgp_info *bi; | |
3983 | ||
3984 | if (!bgp) | |
3985 | return; | |
3986 | ||
3987 | for (rdn = bgp_table_top (bgp->rib[AFI_IP][SAFI_MPLS_VPN]); rdn; | |
3988 | rdn = bgp_route_next (rdn)) | |
3989 | { | |
3990 | if (!rdn->info) | |
3991 | continue; | |
3992 | fprintf (stderr, "%s: vpn rdn=%p\n", __func__, rdn); | |
3993 | for (rn = bgp_table_top (rdn->info); rn; rn = bgp_route_next (rn)) | |
3994 | { | |
3995 | if (!rn->info) | |
3996 | continue; | |
3997 | fprintf (stderr, "%s: rn=%p\n", __func__, rn); | |
3998 | for (bi = rn->info; bi; bi = bi->next) | |
3999 | { | |
4000 | rfapiPrintBi ((void *) 2, bi); /* 2 => stderr */ | |
4001 | } | |
4002 | } | |
4003 | } | |
4004 | for (rdn = bgp_table_top (bgp->rib[AFI_IP][SAFI_ENCAP]); rdn; | |
4005 | rdn = bgp_route_next (rdn)) | |
4006 | { | |
4007 | if (!rdn->info) | |
4008 | continue; | |
4009 | fprintf (stderr, "%s: encap rdn=%p\n", __func__, rdn); | |
4010 | for (rn = bgp_table_top (rdn->info); rn; rn = bgp_route_next (rn)) | |
4011 | { | |
4012 | if (!rn->info) | |
4013 | continue; | |
4014 | fprintf (stderr, "%s: rn=%p\n", __func__, rn); | |
4015 | for (bi = rn->info; bi; bi = bi->next) | |
4016 | { | |
4017 | rfapiPrintBi ((void *) 2, bi); /* 2 => stderr */ | |
4018 | } | |
4019 | } | |
4020 | } | |
4021 | ||
4022 | } | |
4023 | #endif /* defined(DEBUG_RFAPI) */ | |
4024 | ||
4025 | /* | |
4026 | * Free all memory to prepare for clean exit as seen by valgrind memcheck | |
4027 | */ | |
4028 | void | |
4029 | rfapi_delete (struct bgp *bgp) | |
4030 | { | |
4031 | extern void rfp_clear_vnc_nve_all (void); /* can't fix correctly yet */ | |
4032 | ||
4033 | /* | |
4034 | * This clears queries and registered routes, and closes nves | |
4035 | */ | |
4036 | if (bgp->rfapi) | |
4037 | rfp_clear_vnc_nve_all (); | |
4038 | bgp_rfapi_cfg_destroy (bgp, bgp->rfapi_cfg); | |
4039 | bgp->rfapi_cfg = NULL; | |
4040 | bgp_rfapi_destroy (bgp, bgp->rfapi); | |
4041 | bgp->rfapi = NULL; | |
4042 | #ifdef DEBUG_RFAPI | |
4043 | /* | |
4044 | * show what's left in the BGP MPLSVPN RIB | |
4045 | */ | |
4046 | rfapi_print_exported (bgp); | |
4047 | #endif | |
4048 | ||
4049 | } | |
4050 | ||
4051 | int | |
4052 | rfapi_set_autord_from_vn (struct prefix_rd *rd, struct rfapi_ip_addr *vn) | |
4053 | { | |
a3b55c25 | 4054 | vnc_zlog_debug_verbose ("%s: auto-assigning RD", __func__); |
65efcfce LB |
4055 | if (vn->addr_family != AF_INET |
4056 | && vn->addr_family != AF_INET6) | |
4057 | { | |
a3b55c25 | 4058 | vnc_zlog_debug_verbose ("%s: can't auto-assign RD, VN addr family is not IPv4" |
65efcfce LB |
4059 | "|v6" |
4060 | , __func__); | |
4061 | return EAFNOSUPPORT; | |
4062 | } | |
4063 | rd->family = AF_UNSPEC; | |
4064 | rd->prefixlen = 64; | |
4065 | rd->val[1] = RD_TYPE_IP; | |
4066 | if (vn->addr_family == AF_INET) | |
4067 | { | |
4068 | memcpy (rd->val + 2, &vn->addr.v4.s_addr, 4); | |
4069 | } | |
4070 | else | |
4071 | { /* is v6 */ | |
4072 | memcpy (rd->val + 2, &vn->addr.v6.s6_addr32[3], 4);/* low order 4 bytes */ | |
4073 | } | |
4074 | { | |
4075 | char buf[BUFSIZ]; | |
4076 | buf[0] = 0; | |
4077 | prefix_rd2str (rd, buf, BUFSIZ); | |
4078 | buf[BUFSIZ - 1] = 0; | |
a3b55c25 | 4079 | vnc_zlog_debug_verbose ("%s: auto-RD is set to %s", __func__, buf); |
65efcfce LB |
4080 | } |
4081 | return 0; | |
4082 | } | |
4083 | ||
4084 | /*------------------------------------------ | |
4085 | * rfapi_bgp_lookup_by_rfp | |
4086 | * | |
4087 | * Find bgp instance pointer based on value returned by rfp_start | |
4088 | * | |
4089 | * input: | |
4090 | * rfp_start_val value returned by rfp_startor | |
4091 | * NULL (=get default instance) | |
4092 | * | |
4093 | * output: | |
4094 | * none | |
4095 | * | |
4096 | * return value: | |
4097 | * bgp bgp instance pointer | |
4098 | * NULL = not found | |
4099 | * | |
4100 | --------------------------------------------*/ | |
4101 | struct bgp * | |
4102 | rfapi_bgp_lookup_by_rfp (void *rfp_start_val) | |
4103 | { | |
4104 | struct bgp *bgp = NULL; | |
4105 | struct listnode *node, *nnode; | |
4106 | ||
4107 | if (rfp_start_val == NULL) | |
4108 | bgp = bgp_get_default (); | |
4109 | else | |
4110 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) | |
4111 | if (bgp->rfapi != NULL && bgp->rfapi->rfp == rfp_start_val) | |
4112 | return bgp; | |
4113 | return bgp; | |
4114 | } | |
4115 | ||
4116 | /*------------------------------------------ | |
4117 | * rfapi_get_rfp_start_val_by_bgp | |
4118 | * | |
4119 | * Find bgp instance pointer based on value returned by rfp_start | |
4120 | * | |
4121 | * input: | |
4122 | * bgp bgp instance pointer | |
4123 | * | |
4124 | * output: | |
4125 | * none | |
4126 | * | |
4127 | * return value: | |
4128 | * rfp_start_val | |
4129 | * NULL = not found | |
4130 | * | |
4131 | --------------------------------------------*/ | |
4132 | void * | |
4133 | rfapi_get_rfp_start_val_by_bgp (struct bgp *bgp) | |
4134 | { | |
4135 | if (!bgp || !bgp->rfapi) | |
4136 | return NULL; | |
4137 | return bgp->rfapi->rfp; | |
4138 | } | |
4139 | ||
4140 | /*********************************************************************** | |
4141 | * RFP group specific configuration | |
4142 | ***********************************************************************/ | |
4143 | static void * | |
4144 | rfapi_rfp_get_or_init_group_config_default ( | |
4145 | struct rfapi_cfg *rfc, | |
4146 | struct vty *vty, | |
4147 | uint32_t size) | |
4148 | { | |
4149 | if (rfc->default_rfp_cfg == NULL && size > 0) | |
4150 | { | |
4151 | rfc->default_rfp_cfg = XCALLOC (MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
a3b55c25 | 4152 | vnc_zlog_debug_verbose ("%s: allocated, size=%d", __func__, size); |
65efcfce LB |
4153 | |
4154 | } | |
4155 | return rfc->default_rfp_cfg; | |
4156 | } | |
4157 | ||
4158 | static void * | |
4159 | rfapi_rfp_get_or_init_group_config_nve ( | |
4160 | struct rfapi_cfg *rfc, | |
4161 | struct vty *vty, | |
4162 | uint32_t size) | |
4163 | { | |
608ef8c7 | 4164 | struct rfapi_nve_group_cfg *rfg = VTY_GET_CONTEXT_SUB(rfapi_nve_group_cfg); |
65efcfce LB |
4165 | |
4166 | /* make sure group is still in list */ | |
608ef8c7 | 4167 | if (!rfg || !listnode_lookup (rfc->nve_groups_sequential, rfg)) |
65efcfce LB |
4168 | { |
4169 | /* Not in list anymore */ | |
4170 | vty_out (vty, "Current NVE group no longer exists%s", VTY_NEWLINE); | |
4171 | return NULL; | |
4172 | } | |
4173 | ||
4174 | if (rfg->rfp_cfg == NULL && size > 0) | |
4175 | { | |
4176 | rfg->rfp_cfg = XCALLOC (MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
a3b55c25 | 4177 | vnc_zlog_debug_verbose ("%s: allocated, size=%d", __func__, size); |
65efcfce LB |
4178 | |
4179 | } | |
4180 | return rfg->rfp_cfg; | |
4181 | } | |
4182 | ||
4183 | static void * | |
4184 | rfapi_rfp_get_or_init_group_config_l2 ( | |
4185 | struct rfapi_cfg *rfc, | |
4186 | struct vty *vty, | |
4187 | uint32_t size) | |
4188 | { | |
608ef8c7 | 4189 | struct rfapi_l2_group_cfg *rfg = VTY_GET_CONTEXT_SUB(rfapi_l2_group_cfg); |
65efcfce LB |
4190 | |
4191 | /* make sure group is still in list */ | |
608ef8c7 | 4192 | if (!rfg || !listnode_lookup (rfc->l2_groups, rfg)) |
65efcfce LB |
4193 | { |
4194 | /* Not in list anymore */ | |
4195 | vty_out (vty, "Current L2 group no longer exists%s", VTY_NEWLINE); | |
4196 | return NULL; | |
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 | /*------------------------------------------ | |
4208 | * rfapi_rfp_init_group_config_ptr_vty | |
4209 | * | |
4210 | * This is used to init or return a previously init'ed group specific | |
4211 | * configuration pointer. Group is identified by vty context. | |
4212 | * NOTE: size is ignored when a previously init'ed value is returned. | |
4213 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4214 | * bgp restart or shutdown. | |
4215 | * | |
4216 | * input: | |
4217 | * rfp_start_val value returned by rfp_start | |
4218 | * type group type | |
4219 | * vty quagga vty context | |
4220 | * size number of bytes to allocation | |
4221 | * | |
4222 | * output: | |
4223 | * none | |
4224 | * | |
4225 | * return value: | |
4226 | * rfp_cfg_group NULL or Pointer to configuration structure | |
4227 | --------------------------------------------*/ | |
4228 | void * | |
4229 | rfapi_rfp_init_group_config_ptr_vty ( | |
4230 | void *rfp_start_val, | |
4231 | rfapi_rfp_cfg_group_type type, | |
4232 | struct vty *vty, | |
4233 | uint32_t size) | |
4234 | { | |
4235 | struct bgp *bgp; | |
4236 | void *ret = NULL; | |
4237 | ||
4238 | if (rfp_start_val == NULL || vty == NULL) | |
4239 | return NULL; | |
4240 | ||
4241 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
608ef8c7 | 4242 | if (!bgp || !bgp->rfapi_cfg) |
65efcfce LB |
4243 | return NULL; |
4244 | ||
4245 | switch (type) | |
4246 | { | |
4247 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
4248 | ret = rfapi_rfp_get_or_init_group_config_default (bgp->rfapi_cfg, | |
4249 | vty, size); | |
4250 | break; | |
4251 | case RFAPI_RFP_CFG_GROUP_NVE: | |
4252 | ret = rfapi_rfp_get_or_init_group_config_nve (bgp->rfapi_cfg, | |
4253 | vty, size); | |
4254 | break; | |
4255 | case RFAPI_RFP_CFG_GROUP_L2: | |
4256 | ret = rfapi_rfp_get_or_init_group_config_l2 (bgp->rfapi_cfg, vty, size); | |
4257 | break; | |
4258 | default: | |
4259 | zlog_err ("%s: Unknown group type=%d", __func__, type); | |
4260 | /* should never happen */ | |
4261 | assert ("Unknown type" == NULL); | |
4262 | break; | |
4263 | } | |
4264 | return ret; | |
4265 | } | |
4266 | ||
4267 | /*------------------------------------------ | |
4268 | * rfapi_rfp_get_group_config_ptr_vty | |
4269 | * | |
4270 | * This is used to get group specific configuration pointer. | |
4271 | * Group is identified by type and vty context. | |
4272 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4273 | * bgp restart or shutdown. | |
4274 | * | |
4275 | * input: | |
4276 | * rfp_start_val value returned by rfp_start | |
4277 | * type group type | |
4278 | * vty quagga vty context | |
4279 | * | |
4280 | * output: | |
4281 | * none | |
4282 | * | |
4283 | * return value: | |
4284 | * rfp_cfg_group Pointer to configuration structure | |
4285 | --------------------------------------------*/ | |
4286 | void * | |
4287 | rfapi_rfp_get_group_config_ptr_vty ( | |
4288 | void *rfp_start_val, | |
4289 | rfapi_rfp_cfg_group_type type, | |
4290 | struct vty *vty) | |
4291 | { | |
4292 | return rfapi_rfp_init_group_config_ptr_vty (rfp_start_val, type, vty, 0); | |
4293 | } | |
4294 | ||
4295 | static void * | |
4296 | rfapi_rfp_get_group_config_name_nve ( | |
4297 | struct rfapi_cfg *rfc, | |
4298 | const char *name, | |
4299 | void *criteria, | |
4300 | rfp_group_config_search_cb_t *search_cb) | |
4301 | { | |
4302 | struct rfapi_nve_group_cfg *rfg; | |
4303 | struct listnode *node; | |
4304 | ||
4305 | for (ALL_LIST_ELEMENTS_RO (rfc->nve_groups_sequential, node, rfg)) | |
4306 | { | |
4307 | if (!strcmp (rfg->name, name) && /* name match */ | |
4308 | (search_cb == NULL || !search_cb (criteria, rfg->rfp_cfg))) | |
4309 | return rfg->rfp_cfg; | |
4310 | } | |
4311 | return NULL; | |
4312 | } | |
4313 | ||
4314 | static void * | |
4315 | rfapi_rfp_get_group_config_name_l2 ( | |
4316 | struct rfapi_cfg *rfc, | |
4317 | const char *name, | |
4318 | void *criteria, | |
4319 | rfp_group_config_search_cb_t *search_cb) | |
4320 | { | |
4321 | struct rfapi_l2_group_cfg *rfg; | |
4322 | struct listnode *node; | |
4323 | ||
4324 | for (ALL_LIST_ELEMENTS_RO (rfc->l2_groups, node, rfg)) | |
4325 | { | |
4326 | if (!strcmp (rfg->name, name) && /* name match */ | |
4327 | (search_cb == NULL || !search_cb (criteria, rfg->rfp_cfg))) | |
4328 | return rfg->rfp_cfg; | |
4329 | } | |
4330 | return NULL; | |
4331 | } | |
4332 | ||
4333 | /*------------------------------------------ | |
4334 | * rfapi_rfp_get_group_config_ptr_name | |
4335 | * | |
4336 | * This is used to get group specific configuration pointer. | |
4337 | * Group is identified by type and name context. | |
4338 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4339 | * bgp restart or shutdown. | |
4340 | * | |
4341 | * input: | |
4342 | * rfp_start_val value returned by rfp_start | |
4343 | * type group type | |
4344 | * name group name | |
4345 | * criteria RFAPI caller provided serach criteria | |
4346 | * search_cb optional rfp_group_config_search_cb_t | |
4347 | * | |
4348 | * output: | |
4349 | * none | |
4350 | * | |
4351 | * return value: | |
4352 | * rfp_cfg_group Pointer to configuration structure | |
4353 | --------------------------------------------*/ | |
4354 | void * | |
4355 | rfapi_rfp_get_group_config_ptr_name ( | |
4356 | void *rfp_start_val, | |
4357 | rfapi_rfp_cfg_group_type type, | |
4358 | const char *name, | |
4359 | void *criteria, | |
4360 | rfp_group_config_search_cb_t *search_cb) | |
4361 | { | |
4362 | struct bgp *bgp; | |
4363 | void *ret = NULL; | |
4364 | ||
4365 | if (rfp_start_val == NULL || name == NULL) | |
4366 | return NULL; | |
4367 | ||
4368 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
4369 | if (!bgp || !bgp->rfapi_cfg) | |
4370 | return NULL; | |
4371 | ||
4372 | switch (type) | |
4373 | { | |
4374 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
4375 | ret = bgp->rfapi_cfg->default_rfp_cfg; | |
4376 | break; | |
4377 | case RFAPI_RFP_CFG_GROUP_NVE: | |
4378 | ret = rfapi_rfp_get_group_config_name_nve (bgp->rfapi_cfg, | |
4379 | name, criteria, search_cb); | |
4380 | break; | |
4381 | case RFAPI_RFP_CFG_GROUP_L2: | |
4382 | ret = rfapi_rfp_get_group_config_name_l2 (bgp->rfapi_cfg, | |
4383 | name, criteria, search_cb); | |
4384 | break; | |
4385 | default: | |
4386 | zlog_err ("%s: Unknown group type=%d", __func__, type); | |
4387 | /* should never happen */ | |
4388 | assert ("Unknown type" == NULL); | |
4389 | break; | |
4390 | } | |
4391 | return ret; | |
4392 | } | |
4393 | ||
4394 | /*------------------------------------------ | |
4395 | * rfapi_rfp_get_l2_group_config_ptr_lni | |
4396 | * | |
4397 | * This is used to get group specific configuration pointer. | |
4398 | * Group is identified by type and logical network identifier. | |
4399 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4400 | * bgp restart or shutdown. | |
4401 | * | |
4402 | * input: | |
4403 | * rfp_start_val value returned by rfp_start | |
4404 | * type group type | |
4405 | * logical_net_id group logical network identifier | |
4406 | * criteria RFAPI caller provided serach criteria | |
4407 | * search_cb optional rfp_group_config_search_cb_t | |
4408 | * | |
4409 | * output: | |
4410 | * none | |
4411 | * | |
4412 | * return value: | |
4413 | * rfp_cfg_group Pointer to configuration structure | |
4414 | --------------------------------------------*/ | |
4415 | void * | |
4416 | rfapi_rfp_get_l2_group_config_ptr_lni ( | |
4417 | void *rfp_start_val, | |
4418 | uint32_t logical_net_id, | |
4419 | void *criteria, | |
4420 | rfp_group_config_search_cb_t *search_cb) | |
4421 | { | |
4422 | struct bgp *bgp; | |
4423 | struct rfapi_l2_group_cfg *rfg; | |
4424 | struct listnode *node; | |
4425 | ||
4426 | if (rfp_start_val == NULL) | |
4427 | return NULL; | |
4428 | ||
4429 | bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); | |
4430 | if (!bgp || !bgp->rfapi_cfg) | |
4431 | return NULL; | |
4432 | ||
4433 | for (ALL_LIST_ELEMENTS_RO (bgp->rfapi_cfg->l2_groups, node, rfg)) | |
4434 | { | |
4435 | if (rfg->logical_net_id == logical_net_id && | |
4436 | (search_cb == NULL || !search_cb (criteria, rfg->rfp_cfg))) | |
4437 | { | |
4438 | if (rfg->rfp_cfg == NULL) | |
a3b55c25 | 4439 | vnc_zlog_debug_verbose ("%s: returning rfp group config for lni=0", __func__); |
65efcfce LB |
4440 | return rfg->rfp_cfg; |
4441 | } | |
4442 | } | |
4443 | return NULL; | |
4444 | } |