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d62a17ae | 1 | /* |
65efcfce LB |
2 | * |
3 | * Copyright 2009-2016, LabN Consulting, L.L.C. | |
4 | * | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
65efcfce LB |
19 | */ |
20 | ||
21 | ||
22 | #include <errno.h> | |
23 | ||
f8b6f499 LB |
24 | #include "lib/zebra.h" |
25 | #include "lib/prefix.h" | |
26 | #include "lib/table.h" | |
27 | #include "lib/vty.h" | |
28 | #include "lib/memory.h" | |
29 | #include "lib/routemap.h" | |
30 | #include "lib/log.h" | |
31 | #include "lib/linklist.h" | |
32 | #include "lib/command.h" | |
33 | #include "lib/stream.h" | |
74ffbfe6 | 34 | #include "lib/ringbuf.h" |
02705213 | 35 | #include "lib/lib_errors.h" |
f8b6f499 LB |
36 | |
37 | #include "bgpd/bgpd.h" | |
38 | #include "bgpd/bgp_ecommunity.h" | |
39 | #include "bgpd/bgp_attr.h" | |
f8b6f499 LB |
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" | |
c016b6c7 | 46 | #include "bgpd/bgp_mplsvpn.h" |
f8b6f499 LB |
47 | #include "bgpd/bgp_aspath.h" |
48 | #include "bgpd/bgp_advertise.h" | |
49 | #include "bgpd/bgp_vnc_types.h" | |
50 | #include "bgpd/bgp_zebra.h" | |
51 | ||
52 | #include "bgpd/rfapi/rfapi_import.h" | |
53 | #include "bgpd/rfapi/rfapi_private.h" | |
54 | #include "bgpd/rfapi/rfapi_monitor.h" | |
55 | #include "bgpd/rfapi/rfapi_vty.h" | |
56 | #include "bgpd/rfapi/vnc_export_bgp.h" | |
57 | #include "bgpd/rfapi/vnc_export_bgp_p.h" | |
58 | #include "bgpd/rfapi/vnc_zebra.h" | |
59 | #include "bgpd/rfapi/vnc_import_bgp.h" | |
60 | #include "bgpd/rfapi/rfapi_rib.h" | |
61 | #include "bgpd/rfapi/rfapi_ap.h" | |
62 | #include "bgpd/rfapi/rfapi_encap_tlv.h" | |
63 | #include "bgpd/rfapi/vnc_debug.h" | |
65efcfce LB |
64 | |
65 | #ifdef HAVE_GLIBC_BACKTRACE | |
66 | /* for backtrace and friends */ | |
67 | #include <execinfo.h> | |
68 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
69 | ||
d62a17ae | 70 | struct ethaddr rfapi_ethaddr0 = {{0}}; |
65efcfce LB |
71 | |
72 | #define DEBUG_RFAPI_STR "RF API debugging/testing command\n" | |
73 | ||
d62a17ae | 74 | const char *rfapi_error_str(int code) |
65efcfce | 75 | { |
d62a17ae | 76 | switch (code) { |
77 | case 0: | |
78 | return "Success"; | |
79 | case ENXIO: | |
80 | return "BGP or VNC not configured"; | |
81 | case ENOENT: | |
82 | return "No match"; | |
83 | case EEXIST: | |
84 | return "Handle already open"; | |
85 | case ENOMSG: | |
86 | return "Incomplete configuration"; | |
87 | case EAFNOSUPPORT: | |
88 | return "Invalid address family"; | |
89 | case EDEADLK: | |
90 | return "Called from within a callback procedure"; | |
91 | case EBADF: | |
92 | return "Invalid handle"; | |
93 | case EINVAL: | |
94 | return "Invalid argument"; | |
95 | case ESTALE: | |
96 | return "Stale descriptor"; | |
97 | default: | |
98 | return "Unknown error"; | |
99 | } | |
65efcfce LB |
100 | } |
101 | ||
102 | /*------------------------------------------ | |
103 | * rfapi_get_response_lifetime_default | |
104 | * | |
105 | * Returns the default lifetime for a response. | |
106 | * rfp_start_val value returned by rfp_start or | |
107 | * NULL (=use default instance) | |
108 | * | |
d62a17ae | 109 | * input: |
65efcfce LB |
110 | * None |
111 | * | |
112 | * output: | |
113 | * | |
114 | * return value: The bgp instance default lifetime for a response. | |
115 | --------------------------------------------*/ | |
d62a17ae | 116 | int rfapi_get_response_lifetime_default(void *rfp_start_val) |
65efcfce | 117 | { |
d62a17ae | 118 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
119 | if (bgp) | |
120 | return bgp->rfapi_cfg->default_response_lifetime; | |
121 | return BGP_VNC_DEFAULT_RESPONSE_LIFETIME_DEFAULT; | |
65efcfce LB |
122 | } |
123 | ||
124 | /*------------------------------------------ | |
125 | * rfapi_is_vnc_configured | |
126 | * | |
00827590 | 127 | * Returns if VNC is configured |
65efcfce | 128 | * |
d62a17ae | 129 | * input: |
65efcfce LB |
130 | * rfp_start_val value returned by rfp_start or |
131 | * NULL (=use default instance) | |
132 | * | |
133 | * output: | |
134 | * | |
135 | * return value: If VNC is configured for the bgpd instance | |
136 | * 0 Success | |
137 | * ENXIO VNC not configured | |
138 | --------------------------------------------*/ | |
d62a17ae | 139 | int rfapi_is_vnc_configured(void *rfp_start_val) |
65efcfce | 140 | { |
d62a17ae | 141 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
00827590 LB |
142 | if (bgp_rfapi_is_vnc_configured(bgp) == 0) |
143 | return 0; | |
144 | return ENXIO; | |
65efcfce LB |
145 | } |
146 | ||
147 | ||
148 | /*------------------------------------------ | |
149 | * rfapi_get_vn_addr | |
150 | * | |
151 | * Get the virtual network address used by an NVE based on it's RFD | |
152 | * | |
d62a17ae | 153 | * input: |
65efcfce LB |
154 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic |
155 | * | |
156 | * output: | |
157 | * | |
d62a17ae | 158 | * return value: |
65efcfce LB |
159 | * vn NVE virtual network address |
160 | *------------------------------------------*/ | |
d62a17ae | 161 | struct rfapi_ip_addr *rfapi_get_vn_addr(void *rfd) |
65efcfce | 162 | { |
d62a17ae | 163 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; |
164 | return &rrfd->vn_addr; | |
65efcfce LB |
165 | } |
166 | ||
167 | /*------------------------------------------ | |
168 | * rfapi_get_un_addr | |
169 | * | |
170 | * Get the underlay network address used by an NVE based on it's RFD | |
171 | * | |
d62a17ae | 172 | * input: |
65efcfce LB |
173 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic |
174 | * | |
175 | * output: | |
176 | * | |
d62a17ae | 177 | * return value: |
65efcfce LB |
178 | * un NVE underlay network address |
179 | *------------------------------------------*/ | |
d62a17ae | 180 | struct rfapi_ip_addr *rfapi_get_un_addr(void *rfd) |
65efcfce | 181 | { |
d62a17ae | 182 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; |
183 | return &rrfd->un_addr; | |
65efcfce LB |
184 | } |
185 | ||
d62a17ae | 186 | int rfapi_ip_addr_cmp(struct rfapi_ip_addr *a1, struct rfapi_ip_addr *a2) |
65efcfce | 187 | { |
d62a17ae | 188 | if (a1->addr_family != a2->addr_family) |
189 | return a1->addr_family - a2->addr_family; | |
65efcfce | 190 | |
d62a17ae | 191 | if (a1->addr_family == AF_INET) { |
192 | return IPV4_ADDR_CMP(&a1->addr.v4, &a2->addr.v4); | |
193 | } | |
65efcfce | 194 | |
d62a17ae | 195 | if (a1->addr_family == AF_INET6) { |
196 | return IPV6_ADDR_CMP(&a1->addr.v6, &a2->addr.v6); | |
197 | } | |
65efcfce | 198 | |
d62a17ae | 199 | assert(1); |
200 | /* NOTREACHED */ | |
201 | return 1; | |
65efcfce LB |
202 | } |
203 | ||
d62a17ae | 204 | static int rfapi_find_node(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
205 | struct rfapi_ip_addr *un_addr, | |
206 | struct route_node **node) | |
65efcfce | 207 | { |
d62a17ae | 208 | struct rfapi *h; |
209 | struct prefix p; | |
210 | struct route_node *rn; | |
211 | int rc; | |
e7038dde | 212 | afi_t afi; |
65efcfce | 213 | |
d62a17ae | 214 | if (!bgp) { |
215 | return ENXIO; | |
216 | } | |
65efcfce | 217 | |
d62a17ae | 218 | h = bgp->rfapi; |
219 | if (!h) { | |
220 | return ENXIO; | |
221 | } | |
65efcfce | 222 | |
d62a17ae | 223 | afi = family2afi(un_addr->addr_family); |
224 | if (!afi) { | |
225 | return EAFNOSUPPORT; | |
226 | } | |
65efcfce | 227 | |
d62a17ae | 228 | if ((rc = rfapiRaddr2Qprefix(un_addr, &p))) |
229 | return rc; | |
65efcfce | 230 | |
0ae6124f | 231 | rn = route_node_lookup(h->un[afi], &p); |
65efcfce | 232 | |
d62a17ae | 233 | if (!rn) |
234 | return ENOENT; | |
65efcfce | 235 | |
d62a17ae | 236 | route_unlock_node(rn); |
65efcfce | 237 | |
d62a17ae | 238 | *node = rn; |
65efcfce | 239 | |
d62a17ae | 240 | return 0; |
65efcfce LB |
241 | } |
242 | ||
243 | ||
d62a17ae | 244 | int rfapi_find_rfd(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
245 | struct rfapi_ip_addr *un_addr, struct rfapi_descriptor **rfd) | |
65efcfce | 246 | { |
d62a17ae | 247 | struct route_node *rn; |
248 | int rc; | |
65efcfce | 249 | |
d62a17ae | 250 | rc = rfapi_find_node(bgp, vn_addr, un_addr, &rn); |
65efcfce | 251 | |
d62a17ae | 252 | if (rc) |
253 | return rc; | |
65efcfce | 254 | |
d62a17ae | 255 | for (*rfd = (struct rfapi_descriptor *)(rn->info); *rfd; |
256 | *rfd = (*rfd)->next) { | |
257 | if (!rfapi_ip_addr_cmp(&(*rfd)->vn_addr, vn_addr)) | |
258 | break; | |
259 | } | |
65efcfce | 260 | |
d62a17ae | 261 | if (!*rfd) |
262 | return ENOENT; | |
65efcfce | 263 | |
d62a17ae | 264 | return 0; |
65efcfce LB |
265 | } |
266 | ||
267 | /*------------------------------------------ | |
268 | * rfapi_find_handle | |
269 | * | |
d62a17ae | 270 | * input: |
65efcfce LB |
271 | * un underlay network address |
272 | * vn virtual network address | |
273 | * | |
274 | * output: | |
275 | * pHandle pointer to location to store handle | |
276 | * | |
d62a17ae | 277 | * return value: |
65efcfce LB |
278 | * 0 Success |
279 | * ENOENT no matching handle | |
280 | * ENXIO BGP or VNC not configured | |
281 | *------------------------------------------*/ | |
d62a17ae | 282 | static int rfapi_find_handle(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
283 | struct rfapi_ip_addr *un_addr, | |
284 | rfapi_handle *handle) | |
65efcfce | 285 | { |
d62a17ae | 286 | struct rfapi_descriptor **rfd; |
65efcfce | 287 | |
d62a17ae | 288 | rfd = (struct rfapi_descriptor **)handle; |
65efcfce | 289 | |
d62a17ae | 290 | return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); |
65efcfce LB |
291 | } |
292 | ||
d62a17ae | 293 | static int rfapi_find_handle_vty(struct vty *vty, struct rfapi_ip_addr *vn_addr, |
294 | struct rfapi_ip_addr *un_addr, | |
295 | rfapi_handle *handle) | |
65efcfce | 296 | { |
d62a17ae | 297 | struct bgp *bgp; |
298 | struct rfapi_descriptor **rfd; | |
65efcfce | 299 | |
d62a17ae | 300 | bgp = bgp_get_default(); /* assume 1 instance for now */ |
65efcfce | 301 | |
d62a17ae | 302 | rfd = (struct rfapi_descriptor **)handle; |
65efcfce | 303 | |
d62a17ae | 304 | return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); |
65efcfce LB |
305 | } |
306 | ||
d62a17ae | 307 | static int is_valid_rfd(struct rfapi_descriptor *rfd) |
65efcfce | 308 | { |
d62a17ae | 309 | rfapi_handle hh; |
65efcfce | 310 | |
d62a17ae | 311 | if (!rfd || rfd->bgp == NULL) |
312 | return 0; | |
65efcfce | 313 | |
d62a17ae | 314 | if (CHECK_FLAG( |
315 | rfd->flags, | |
316 | RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ | |
317 | return 1; | |
5ff06872 | 318 | |
d62a17ae | 319 | if (rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh)) |
320 | return 0; | |
65efcfce | 321 | |
d62a17ae | 322 | if (rfd != hh) |
323 | return 0; | |
65efcfce | 324 | |
d62a17ae | 325 | return 1; |
65efcfce LB |
326 | } |
327 | ||
328 | /* | |
329 | * check status of descriptor | |
330 | */ | |
d62a17ae | 331 | int rfapi_check(void *handle) |
65efcfce | 332 | { |
d62a17ae | 333 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
334 | rfapi_handle hh; | |
335 | int rc; | |
65efcfce | 336 | |
d62a17ae | 337 | if (!rfd || rfd->bgp == NULL) |
338 | return EINVAL; | |
65efcfce | 339 | |
d62a17ae | 340 | if (CHECK_FLAG( |
341 | rfd->flags, | |
342 | RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ | |
343 | return 0; | |
5ff06872 | 344 | |
d62a17ae | 345 | if ((rc = rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, |
346 | &hh))) | |
347 | return rc; | |
65efcfce | 348 | |
d62a17ae | 349 | if (rfd != hh) |
350 | return ENOENT; | |
65efcfce | 351 | |
d62a17ae | 352 | if (!rfd->rfg) |
353 | return ESTALE; | |
65efcfce | 354 | |
d62a17ae | 355 | return 0; |
65efcfce LB |
356 | } |
357 | ||
358 | ||
d62a17ae | 359 | void del_vnc_route(struct rfapi_descriptor *rfd, |
360 | struct peer *peer, /* rfd->peer for RFP regs */ | |
361 | struct bgp *bgp, safi_t safi, struct prefix *p, | |
362 | struct prefix_rd *prd, uint8_t type, uint8_t sub_type, | |
363 | struct rfapi_nexthop *lnh, int kill) | |
65efcfce | 364 | { |
d62a17ae | 365 | afi_t afi; /* of the VN address */ |
366 | struct bgp_node *bn; | |
367 | struct bgp_info *bi; | |
872ed4c7 | 368 | char buf[PREFIX_STRLEN]; |
06b9f471 | 369 | char buf2[RD_ADDRSTRLEN]; |
d62a17ae | 370 | struct prefix_rd prd0; |
371 | ||
872ed4c7 | 372 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 373 | |
374 | afi = family2afi(p->family); | |
375 | assert(afi == AFI_IP || afi == AFI_IP6); | |
376 | ||
377 | if (safi == SAFI_ENCAP) { | |
378 | memset(&prd0, 0, sizeof(prd0)); | |
379 | prd0.family = AF_UNSPEC; | |
380 | prd0.prefixlen = 64; | |
381 | prd = &prd0; | |
382 | } | |
383 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
384 | ||
385 | vnc_zlog_debug_verbose( | |
386 | "%s: peer=%p, prefix=%s, prd=%s afi=%d, safi=%d bn=%p, bn->info=%p", | |
996c9314 LB |
387 | __func__, peer, buf, prefix_rd2str(prd, buf2, sizeof(buf2)), |
388 | afi, safi, bn, (bn ? bn->info : NULL)); | |
d62a17ae | 389 | |
390 | for (bi = (bn ? bn->info : NULL); bi; bi = bi->next) { | |
391 | ||
392 | vnc_zlog_debug_verbose( | |
393 | "%s: trying bi=%p, bi->peer=%p, bi->type=%d, bi->sub_type=%d, bi->extra->vnc.export.rfapi_handle=%p, local_pref=%u", | |
394 | __func__, bi, bi->peer, bi->type, bi->sub_type, | |
395 | (bi->extra ? bi->extra->vnc.export.rfapi_handle : NULL), | |
396 | ((bi->attr | |
397 | && CHECK_FLAG(bi->attr->flag, | |
398 | ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF))) | |
399 | ? bi->attr->local_pref | |
400 | : 0)); | |
401 | ||
402 | if (bi->peer == peer && bi->type == type | |
403 | && bi->sub_type == sub_type && bi->extra | |
404 | && bi->extra->vnc.export.rfapi_handle == (void *)rfd) { | |
405 | ||
406 | vnc_zlog_debug_verbose("%s: matched it", __func__); | |
407 | ||
408 | break; | |
409 | } | |
410 | } | |
411 | ||
412 | if (lnh) { | |
413 | /* | |
414 | * lnh set means to JUST delete the local nexthop from this | |
415 | * route. Leave the route itself in place. | |
416 | * TBD add return code reporting of success/failure | |
417 | */ | |
418 | if (!bi || !bi->extra | |
419 | || !bi->extra->vnc.export.local_nexthops) { | |
420 | /* | |
421 | * no local nexthops | |
422 | */ | |
423 | vnc_zlog_debug_verbose( | |
424 | "%s: lnh list already empty at prefix %s", | |
425 | __func__, buf); | |
426 | goto done; | |
427 | } | |
428 | ||
429 | /* | |
430 | * look for it | |
431 | */ | |
432 | struct listnode *node; | |
433 | struct rfapi_nexthop *pLnh = NULL; | |
434 | ||
435 | for (ALL_LIST_ELEMENTS_RO(bi->extra->vnc.export.local_nexthops, | |
436 | node, pLnh)) { | |
437 | ||
438 | if (prefix_same(&pLnh->addr, &lnh->addr)) { | |
439 | break; | |
440 | } | |
441 | } | |
442 | ||
443 | if (pLnh) { | |
444 | listnode_delete(bi->extra->vnc.export.local_nexthops, | |
445 | pLnh); | |
446 | ||
447 | /* silly rabbit, listnode_delete doesn't invoke | |
448 | * list->del on data */ | |
449 | rfapi_nexthop_free(pLnh); | |
450 | } else { | |
451 | vnc_zlog_debug_verbose("%s: desired lnh not found %s", | |
452 | __func__, buf); | |
453 | } | |
454 | goto done; | |
455 | } | |
456 | ||
457 | /* | |
458 | * loop back to import tables | |
459 | * Do this before removing from BGP RIB because rfapiProcessWithdraw | |
460 | * might refer to it | |
461 | */ | |
462 | rfapiProcessWithdraw(peer, rfd, p, prd, NULL, afi, safi, type, kill); | |
463 | ||
464 | if (bi) { | |
872ed4c7 | 465 | char buf[PREFIX_STRLEN]; |
d62a17ae | 466 | |
872ed4c7 | 467 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 468 | vnc_zlog_debug_verbose( |
469 | "%s: Found route (safi=%d) to delete at prefix %s", | |
470 | __func__, safi, buf); | |
471 | ||
472 | if (safi == SAFI_MPLS_VPN) { | |
473 | struct bgp_node *prn = NULL; | |
474 | struct bgp_table *table = NULL; | |
475 | ||
476 | prn = bgp_node_get(bgp->rib[afi][safi], | |
477 | (struct prefix *)prd); | |
478 | if (prn->info) { | |
479 | table = (struct bgp_table *)(prn->info); | |
480 | ||
481 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
482 | bgp, prd, table, p, bi); | |
483 | } | |
484 | bgp_unlock_node(prn); | |
485 | } | |
486 | ||
487 | /* | |
488 | * Delete local_nexthops list | |
489 | */ | |
490 | if (bi->extra && bi->extra->vnc.export.local_nexthops) { | |
affe9e99 DS |
491 | list_delete_and_null( |
492 | &bi->extra->vnc.export.local_nexthops); | |
d62a17ae | 493 | } |
494 | ||
495 | bgp_aggregate_decrement(bgp, p, bi, afi, safi); | |
496 | bgp_info_delete(bn, bi); | |
497 | bgp_process(bgp, bn, afi, safi); | |
498 | } else { | |
499 | vnc_zlog_debug_verbose( | |
500 | "%s: Couldn't find route (safi=%d) at prefix %s", | |
501 | __func__, safi, buf); | |
502 | } | |
65efcfce | 503 | done: |
d62a17ae | 504 | bgp_unlock_node(bn); |
65efcfce LB |
505 | } |
506 | ||
d62a17ae | 507 | struct rfapi_nexthop *rfapi_nexthop_new(struct rfapi_nexthop *copyme) |
65efcfce | 508 | { |
d62a17ae | 509 | struct rfapi_nexthop *new = |
510 | XCALLOC(MTYPE_RFAPI_NEXTHOP, sizeof(struct rfapi_nexthop)); | |
511 | if (copyme) | |
512 | *new = *copyme; | |
513 | return new; | |
65efcfce LB |
514 | } |
515 | ||
d62a17ae | 516 | void rfapi_nexthop_free(void *p) |
65efcfce | 517 | { |
d62a17ae | 518 | struct rfapi_nexthop *goner = p; |
519 | XFREE(MTYPE_RFAPI_NEXTHOP, goner); | |
65efcfce LB |
520 | } |
521 | ||
d62a17ae | 522 | struct rfapi_vn_option *rfapi_vn_options_dup(struct rfapi_vn_option *existing) |
65efcfce | 523 | { |
d62a17ae | 524 | struct rfapi_vn_option *p; |
525 | struct rfapi_vn_option *head = NULL; | |
526 | struct rfapi_vn_option *tail = NULL; | |
527 | ||
528 | for (p = existing; p; p = p->next) { | |
529 | struct rfapi_vn_option *new; | |
530 | ||
531 | new = XCALLOC(MTYPE_RFAPI_VN_OPTION, | |
532 | sizeof(struct rfapi_vn_option)); | |
533 | *new = *p; | |
534 | new->next = NULL; | |
535 | if (tail) | |
536 | (tail)->next = new; | |
537 | tail = new; | |
538 | if (!head) { | |
539 | head = new; | |
540 | } | |
541 | } | |
542 | return head; | |
65efcfce LB |
543 | } |
544 | ||
d62a17ae | 545 | void rfapi_un_options_free(struct rfapi_un_option *p) |
65efcfce | 546 | { |
d62a17ae | 547 | struct rfapi_un_option *next; |
65efcfce | 548 | |
d62a17ae | 549 | while (p) { |
550 | next = p->next; | |
551 | XFREE(MTYPE_RFAPI_UN_OPTION, p); | |
552 | p = next; | |
553 | } | |
65efcfce LB |
554 | } |
555 | ||
d62a17ae | 556 | void rfapi_vn_options_free(struct rfapi_vn_option *p) |
65efcfce | 557 | { |
d62a17ae | 558 | struct rfapi_vn_option *next; |
65efcfce | 559 | |
d62a17ae | 560 | while (p) { |
561 | next = p->next; | |
562 | XFREE(MTYPE_RFAPI_VN_OPTION, p); | |
563 | p = next; | |
564 | } | |
65efcfce LB |
565 | } |
566 | ||
567 | /* Based on bgp_redistribute_add() */ | |
d62a17ae | 568 | void add_vnc_route(struct rfapi_descriptor *rfd, /* cookie, VPN UN addr, peer */ |
569 | struct bgp *bgp, int safi, struct prefix *p, | |
570 | struct prefix_rd *prd, struct rfapi_ip_addr *nexthop, | |
571 | uint32_t *local_pref, | |
572 | uint32_t *lifetime, /* NULL => dont send lifetime */ | |
573 | struct bgp_tea_options *rfp_options, | |
574 | struct rfapi_un_option *options_un, | |
575 | struct rfapi_vn_option *options_vn, | |
576 | struct ecommunity *rt_export_list, /* Copied, not consumed */ | |
577 | uint32_t *med, /* NULL => don't set med */ | |
578 | uint32_t *label, /* low order 3 bytes */ | |
579 | uint8_t type, uint8_t sub_type, /* RFP, NORMAL or REDIST */ | |
580 | int flags) | |
65efcfce | 581 | { |
d62a17ae | 582 | afi_t afi; /* of the VN address */ |
583 | struct bgp_info *new; | |
584 | struct bgp_info *bi; | |
585 | struct bgp_node *bn; | |
586 | ||
587 | struct attr attr = {0}; | |
588 | struct attr *new_attr; | |
589 | uint32_t label_val; | |
590 | ||
591 | struct bgp_attr_encap_subtlv *encaptlv; | |
872ed4c7 | 592 | char buf[PREFIX_STRLEN]; |
06b9f471 | 593 | char buf2[RD_ADDRSTRLEN]; |
d62a17ae | 594 | #if 0 /* unused? */ |
65efcfce LB |
595 | struct prefix pfx_buf; |
596 | #endif | |
597 | ||
d62a17ae | 598 | struct rfapi_nexthop *lnh = NULL; /* local nexthop */ |
599 | struct rfapi_vn_option *vo; | |
600 | struct rfapi_l2address_option *l2o = NULL; | |
601 | struct rfapi_ip_addr *un_addr = &rfd->un_addr; | |
65efcfce | 602 | |
d62a17ae | 603 | bgp_encap_types TunnelType = BGP_ENCAP_TYPE_RESERVED; |
604 | struct bgp_redist *red; | |
65efcfce | 605 | |
d62a17ae | 606 | if (safi == SAFI_ENCAP |
607 | && !(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_ADV_UN_METHOD_ENCAP)) { | |
65efcfce | 608 | |
d62a17ae | 609 | /* |
610 | * Encap mode not enabled. UN addresses will be communicated | |
611 | * via VNC Tunnel subtlv instead. | |
612 | */ | |
613 | vnc_zlog_debug_verbose( | |
614 | "%s: encap mode not enabled, not adding SAFI_ENCAP route", | |
615 | __func__); | |
616 | return; | |
617 | } | |
65efcfce | 618 | |
d62a17ae | 619 | #if 0 /* unused? */ |
65efcfce LB |
620 | if ((safi == SAFI_MPLS_VPN) && (flags & RFAPI_AHR_SET_PFX_TO_NEXTHOP)) |
621 | { | |
622 | ||
623 | if (rfapiRaddr2Qprefix (nexthop, &pfx_buf)) | |
624 | { | |
a3b55c25 | 625 | vnc_zlog_debug_verbose |
65efcfce LB |
626 | ("%s: can't set pfx to vn addr, not adding SAFI_MPLS_VPN route", |
627 | __func__); | |
628 | return; | |
629 | } | |
630 | p = &pfx_buf; | |
631 | } | |
632 | #endif | |
d62a17ae | 633 | for (vo = options_vn; vo; vo = vo->next) { |
634 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { | |
635 | l2o = &vo->v.l2addr; | |
636 | if (RFAPI_0_ETHERADDR(&l2o->macaddr)) | |
637 | l2o = NULL; /* not MAC resolution */ | |
638 | } | |
639 | if (RFAPI_VN_OPTION_TYPE_LOCAL_NEXTHOP == vo->type) { | |
640 | lnh = &vo->v.local_nexthop; | |
641 | } | |
642 | } | |
643 | ||
644 | if (label) | |
645 | label_val = *label; | |
646 | else | |
647 | label_val = MPLS_LABEL_IMPLICIT_NULL; | |
648 | ||
872ed4c7 | 649 | prefix_rd2str(prd, buf2, sizeof(buf2)); |
d62a17ae | 650 | |
651 | afi = family2afi(p->family); | |
652 | assert(afi == AFI_IP || afi == AFI_IP6); | |
653 | ||
654 | vnc_zlog_debug_verbose("%s: afi=%s, safi=%s", __func__, afi2str(afi), | |
655 | safi2str(safi)); | |
656 | ||
657 | /* Make default attribute. Produces already-interned attr.aspath */ | |
658 | /* Cripes, the memory management of attributes is byzantine */ | |
659 | ||
660 | bgp_attr_default_set(&attr, BGP_ORIGIN_INCOMPLETE); | |
661 | ||
662 | /* | |
663 | * At this point: | |
664 | * attr: static | |
665 | * extra: dynamically allocated, owned by attr | |
666 | * aspath: points to interned hash from aspath hash table | |
667 | */ | |
668 | ||
669 | ||
670 | /* | |
671 | * Route-specific un_options get added to the VPN SAFI | |
672 | * advertisement tunnel encap attribute. (the per-NVE | |
673 | * "default" un_options are put into the 1-per-NVE ENCAP | |
674 | * SAFI advertisement). The VPN SAFI also gets the | |
675 | * default un_options if there are no route-specific options. | |
676 | */ | |
677 | if (options_un) { | |
678 | struct rfapi_un_option *uo; | |
679 | ||
680 | for (uo = options_un; uo; uo = uo->next) { | |
681 | if (RFAPI_UN_OPTION_TYPE_TUNNELTYPE == uo->type) { | |
682 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
683 | bgp, un_addr, &uo->v.tunnel, &attr, | |
684 | l2o != NULL); | |
685 | } | |
686 | } | |
687 | } else { | |
688 | /* | |
689 | * Add encap attr | |
690 | * These are the NVE-specific "default" un_options which are | |
691 | * put into the 1-per-NVE ENCAP advertisement. | |
692 | */ | |
693 | if (rfd->default_tunneltype_option.type) { | |
694 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
695 | bgp, un_addr, &rfd->default_tunneltype_option, | |
696 | &attr, l2o != NULL); | |
697 | } else /* create default for local addse */ | |
698 | if (type == ZEBRA_ROUTE_BGP | |
699 | && sub_type == BGP_ROUTE_RFP) | |
700 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
701 | bgp, un_addr, NULL, &attr, l2o != NULL); | |
702 | } | |
703 | ||
704 | if (TunnelType == BGP_ENCAP_TYPE_MPLS) { | |
705 | if (safi == SAFI_ENCAP) { | |
706 | /* Encap SAFI not used with MPLS */ | |
707 | vnc_zlog_debug_verbose( | |
708 | "%s: mpls tunnel type, encap safi omitted", | |
709 | __func__); | |
710 | aspath_unintern(&attr.aspath); /* Unintern original. */ | |
711 | return; | |
712 | } | |
713 | } | |
714 | ||
715 | if (local_pref) { | |
716 | attr.local_pref = *local_pref; | |
717 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
718 | } | |
719 | ||
720 | if (med) { | |
721 | attr.med = *med; | |
722 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
723 | } | |
724 | ||
725 | /* override default weight assigned by bgp_attr_default_set() */ | |
726 | attr.weight = rfd->peer ? rfd->peer->weight[afi][safi] : 0; | |
727 | ||
728 | /* | |
729 | * NB: ticket 81: do not reset attr.aspath here because it would | |
730 | * cause iBGP peers to drop route | |
731 | */ | |
732 | ||
733 | /* | |
734 | * Set originator ID for routes imported from BGP directly. | |
735 | * These routes could be synthetic, and therefore could | |
736 | * reuse the peer pointers of the routes they are derived | |
737 | * from. Setting the originator ID to "us" prevents the | |
738 | * wrong originator ID from being sent when this route is | |
739 | * sent from a route reflector. | |
740 | */ | |
741 | if (type == ZEBRA_ROUTE_BGP_DIRECT | |
742 | || type == ZEBRA_ROUTE_BGP_DIRECT_EXT) { | |
743 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID); | |
744 | attr.originator_id = bgp->router_id; | |
745 | } | |
746 | ||
747 | ||
748 | /* Set up vnc attribute (sub-tlv for Prefix Lifetime) */ | |
749 | if (lifetime && *lifetime != RFAPI_INFINITE_LIFETIME) { | |
750 | uint32_t lt; | |
751 | ||
996c9314 LB |
752 | encaptlv = XCALLOC(MTYPE_ENCAP_TLV, |
753 | sizeof(struct bgp_attr_encap_subtlv) + 4); | |
d62a17ae | 754 | assert(encaptlv); |
755 | encaptlv->type = | |
756 | BGP_VNC_SUBTLV_TYPE_LIFETIME; /* prefix lifetime */ | |
757 | encaptlv->length = 4; | |
758 | lt = htonl(*lifetime); | |
759 | memcpy(encaptlv->value, <, 4); | |
760 | attr.vnc_subtlvs = encaptlv; | |
761 | vnc_zlog_debug_verbose( | |
762 | "%s: set Encap Attr Prefix Lifetime to %d", __func__, | |
763 | *lifetime); | |
764 | } | |
765 | ||
766 | /* add rfp options to vnc attr */ | |
767 | if (rfp_options) { | |
768 | ||
769 | if (flags & RFAPI_AHR_RFPOPT_IS_VNCTLV) { | |
770 | ||
771 | /* | |
772 | * this flag means we're passing a pointer to an | |
773 | * existing encap tlv chain which we should copy. | |
774 | * It's a hack to avoid adding yet another argument | |
775 | * to add_vnc_route() | |
776 | */ | |
777 | encaptlv = encap_tlv_dup( | |
778 | (struct bgp_attr_encap_subtlv *)rfp_options); | |
779 | if (attr.vnc_subtlvs) { | |
780 | attr.vnc_subtlvs->next = encaptlv; | |
781 | } else { | |
782 | attr.vnc_subtlvs = encaptlv; | |
783 | } | |
784 | ||
785 | } else { | |
786 | struct bgp_tea_options *hop; | |
787 | /* XXX max of one tlv present so far from above code */ | |
788 | struct bgp_attr_encap_subtlv *tail = attr.vnc_subtlvs; | |
789 | ||
790 | for (hop = rfp_options; hop; hop = hop->next) { | |
791 | ||
792 | /* | |
793 | * Construct subtlv | |
794 | */ | |
795 | encaptlv = XCALLOC( | |
796 | MTYPE_ENCAP_TLV, | |
996c9314 LB |
797 | sizeof(struct bgp_attr_encap_subtlv) + 2 |
798 | + hop->length); | |
d62a17ae | 799 | assert(encaptlv); |
800 | encaptlv->type = | |
801 | BGP_VNC_SUBTLV_TYPE_RFPOPTION; /* RFP | |
802 | option | |
803 | */ | |
804 | encaptlv->length = 2 + hop->length; | |
805 | *((uint8_t *)(encaptlv->value) + 0) = hop->type; | |
806 | *((uint8_t *)(encaptlv->value) + 1) = | |
807 | hop->length; | |
808 | memcpy(((uint8_t *)encaptlv->value) + 2, | |
809 | hop->value, hop->length); | |
810 | ||
811 | /* | |
812 | * add to end of subtlv chain | |
813 | */ | |
814 | if (tail) { | |
815 | tail->next = encaptlv; | |
816 | } else { | |
817 | attr.vnc_subtlvs = encaptlv; | |
818 | } | |
819 | tail = encaptlv; | |
820 | } | |
821 | } | |
822 | } | |
823 | ||
824 | /* | |
825 | * At this point: | |
826 | * attr: static | |
827 | * extra: dynamically allocated, owned by attr | |
828 | * vnc_subtlvs: dynamic chain, length 1 | |
829 | * aspath: points to interned hash from aspath hash table | |
830 | */ | |
831 | ||
832 | ||
833 | attr.ecommunity = ecommunity_new(); | |
834 | assert(attr.ecommunity); | |
835 | ||
836 | if (TunnelType != BGP_ENCAP_TYPE_MPLS | |
837 | && TunnelType != BGP_ENCAP_TYPE_RESERVED) { | |
838 | /* | |
839 | * Add BGP Encapsulation Extended Community. Format described in | |
840 | * section 4.5 of RFC 5512. | |
841 | * Always include when not MPLS type, to disambiguate this case. | |
842 | */ | |
843 | struct ecommunity_val beec; | |
844 | ||
845 | memset(&beec, 0, sizeof(beec)); | |
846 | beec.val[0] = ECOMMUNITY_ENCODE_OPAQUE; | |
847 | beec.val[1] = ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP; | |
848 | beec.val[6] = ((TunnelType) >> 8) & 0xff; | |
849 | beec.val[7] = (TunnelType)&0xff; | |
850 | ecommunity_add_val(attr.ecommunity, &beec); | |
851 | } | |
852 | ||
853 | /* | |
854 | * Add extended community attributes to match rt export list | |
855 | */ | |
856 | if (rt_export_list) { | |
857 | attr.ecommunity = | |
858 | ecommunity_merge(attr.ecommunity, rt_export_list); | |
859 | } | |
860 | ||
861 | if (attr.ecommunity->size) { | |
862 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES); | |
863 | } else { | |
864 | ecommunity_free(&attr.ecommunity); | |
865 | attr.ecommunity = NULL; | |
866 | } | |
867 | vnc_zlog_debug_verbose("%s: attr.ecommunity=%p", __func__, | |
868 | attr.ecommunity); | |
869 | ||
870 | ||
871 | /* | |
872 | * At this point: | |
873 | * attr: static | |
874 | * extra: dynamically allocated, owned by attr | |
875 | * vnc_subtlvs: dynamic chain, length 1 | |
876 | * ecommunity: dynamic 2-part | |
877 | * aspath: points to interned hash from aspath hash table | |
878 | */ | |
879 | ||
880 | /* stuff nexthop in attr_extra; which field depends on IPv4 or IPv6 */ | |
881 | switch (nexthop->addr_family) { | |
882 | case AF_INET: | |
883 | /* | |
884 | * set this field to prevent bgp_route.c code from setting | |
885 | * mp_nexthop_global_in to self | |
886 | */ | |
887 | attr.nexthop.s_addr = nexthop->addr.v4.s_addr; | |
888 | ||
889 | attr.mp_nexthop_global_in = nexthop->addr.v4; | |
890 | attr.mp_nexthop_len = 4; | |
891 | break; | |
892 | ||
893 | case AF_INET6: | |
894 | attr.mp_nexthop_global = nexthop->addr.v6; | |
895 | attr.mp_nexthop_len = 16; | |
896 | break; | |
897 | ||
898 | default: | |
899 | assert(0); | |
900 | } | |
901 | ||
902 | ||
872ed4c7 | 903 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 904 | |
905 | /* | |
906 | * At this point: | |
907 | * | |
908 | * attr: static | |
909 | * extra: dynamically allocated, owned by attr | |
910 | * vnc_subtlvs: dynamic chain, length 1 | |
911 | * ecommunity: dynamic 2-part | |
912 | * aspath: points to interned hash from aspath hash table | |
913 | */ | |
914 | ||
2fcdb1b2 | 915 | red = bgp_redist_lookup(bgp, afi, type, 0); |
d62a17ae | 916 | |
917 | if (red && red->redist_metric_flag) { | |
918 | attr.med = red->redist_metric; | |
919 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
920 | } | |
921 | ||
922 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
923 | ||
924 | /* | |
925 | * bgp_attr_intern creates a new reference to a cached | |
926 | * attribute, but leaves the following bits of trash: | |
927 | * - old attr | |
928 | * - old attr->extra (free via bgp_attr_extra_free(attr)) | |
929 | * | |
930 | * Note that it frees the original attr->extra->ecommunity | |
931 | * but leaves the new attribute pointing to the ORIGINAL | |
932 | * vnc options (which therefore we needn't free from the | |
933 | * static attr) | |
934 | */ | |
935 | new_attr = bgp_attr_intern(&attr); | |
936 | ||
937 | aspath_unintern(&attr.aspath); /* Unintern original. */ | |
938 | ||
939 | /* | |
940 | * At this point: | |
941 | * | |
942 | * attr: static | |
943 | * extra: dynamically allocated, owned by attr | |
944 | * vnc_subtlvs: dynamic chain, length 1 | |
945 | * ecommunity: POINTS TO INTERNED ecom, THIS REF NOT COUNTED | |
946 | * | |
947 | * new_attr: an attr that is part of the hash table, distinct | |
948 | * from attr which is static. | |
949 | * extra: dynamically allocated, owned by new_attr (in hash table) | |
950 | * vnc_subtlvs: POINTS TO SAME dynamic chain AS attr | |
951 | * ecommunity: POINTS TO interned/refcounted dynamic 2-part AS attr | |
952 | * aspath: POINTS TO interned/refcounted hashed block | |
953 | */ | |
954 | for (bi = bn->info; bi; bi = bi->next) { | |
955 | /* probably only need to check | |
956 | * bi->extra->vnc.export.rfapi_handle */ | |
957 | if (bi->peer == rfd->peer && bi->type == type | |
958 | && bi->sub_type == sub_type && bi->extra | |
959 | && bi->extra->vnc.export.rfapi_handle == (void *)rfd) { | |
960 | ||
961 | break; | |
962 | } | |
963 | } | |
964 | ||
965 | if (bi) { | |
966 | ||
967 | /* | |
968 | * Adding new local_nexthop, which does not by itself change | |
969 | * what is advertised via BGP | |
970 | */ | |
971 | if (lnh) { | |
972 | if (!bi->extra->vnc.export.local_nexthops) { | |
973 | /* TBD make arrangements to free when needed */ | |
974 | bi->extra->vnc.export.local_nexthops = | |
975 | list_new(); | |
976 | bi->extra->vnc.export.local_nexthops->del = | |
977 | rfapi_nexthop_free; | |
978 | } | |
979 | ||
980 | /* | |
981 | * already present? | |
982 | */ | |
983 | struct listnode *node; | |
984 | struct rfapi_nexthop *pLnh = NULL; | |
985 | ||
986 | for (ALL_LIST_ELEMENTS_RO( | |
987 | bi->extra->vnc.export.local_nexthops, node, | |
988 | pLnh)) { | |
989 | ||
990 | if (prefix_same(&pLnh->addr, &lnh->addr)) { | |
991 | break; | |
992 | } | |
993 | } | |
994 | ||
995 | /* | |
996 | * Not present, add new one | |
997 | */ | |
998 | if (!pLnh) { | |
999 | pLnh = rfapi_nexthop_new(lnh); | |
1000 | listnode_add( | |
1001 | bi->extra->vnc.export.local_nexthops, | |
1002 | pLnh); | |
1003 | } | |
1004 | } | |
1005 | ||
1006 | if (attrhash_cmp(bi->attr, new_attr) | |
1007 | && !CHECK_FLAG(bi->flags, BGP_INFO_REMOVED)) { | |
1008 | bgp_attr_unintern(&new_attr); | |
1009 | bgp_unlock_node(bn); | |
1010 | ||
1011 | vnc_zlog_debug_any( | |
1012 | "%s: Found route (safi=%d) at prefix %s, no change", | |
1013 | __func__, safi, buf); | |
1014 | ||
1015 | goto done; | |
1016 | } else { | |
1017 | /* The attribute is changed. */ | |
1018 | bgp_info_set_flag(bn, bi, BGP_INFO_ATTR_CHANGED); | |
1019 | ||
1020 | if (safi == SAFI_MPLS_VPN) { | |
1021 | struct bgp_node *prn = NULL; | |
1022 | struct bgp_table *table = NULL; | |
1023 | ||
1024 | prn = bgp_node_get(bgp->rib[afi][safi], | |
1025 | (struct prefix *)prd); | |
1026 | if (prn->info) { | |
1027 | table = (struct bgp_table *)(prn->info); | |
1028 | ||
1029 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
1030 | bgp, prd, table, p, bi); | |
1031 | } | |
1032 | bgp_unlock_node(prn); | |
1033 | } | |
1034 | ||
1035 | /* Rewrite BGP route information. */ | |
1036 | if (CHECK_FLAG(bi->flags, BGP_INFO_REMOVED)) | |
1037 | bgp_info_restore(bn, bi); | |
1038 | else | |
1039 | bgp_aggregate_decrement(bgp, p, bi, afi, safi); | |
1040 | bgp_attr_unintern(&bi->attr); | |
1041 | bi->attr = new_attr; | |
1042 | bi->uptime = bgp_clock(); | |
1043 | ||
1044 | ||
1045 | if (safi == SAFI_MPLS_VPN) { | |
1046 | struct bgp_node *prn = NULL; | |
1047 | struct bgp_table *table = NULL; | |
1048 | ||
1049 | prn = bgp_node_get(bgp->rib[afi][safi], | |
1050 | (struct prefix *)prd); | |
1051 | if (prn->info) { | |
1052 | table = (struct bgp_table *)(prn->info); | |
1053 | ||
1054 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
1055 | bgp, prd, table, p, bi); | |
1056 | } | |
1057 | bgp_unlock_node(prn); | |
1058 | } | |
1059 | ||
1060 | /* Process change. */ | |
1061 | bgp_aggregate_increment(bgp, p, bi, afi, safi); | |
1062 | bgp_process(bgp, bn, afi, safi); | |
1063 | bgp_unlock_node(bn); | |
1064 | ||
1065 | vnc_zlog_debug_any( | |
1066 | "%s: Found route (safi=%d) at prefix %s, changed attr", | |
1067 | __func__, safi, buf); | |
1068 | ||
1069 | goto done; | |
1070 | } | |
1071 | } | |
1072 | ||
1073 | ||
1074 | new = bgp_info_new(); | |
1075 | new->type = type; | |
1076 | new->sub_type = sub_type; | |
1077 | new->peer = rfd->peer; | |
1078 | SET_FLAG(new->flags, BGP_INFO_VALID); | |
1079 | new->attr = new_attr; | |
1080 | new->uptime = bgp_clock(); | |
1081 | ||
1082 | /* save backref to rfapi handle */ | |
1083 | assert(bgp_info_extra_get(new)); | |
1084 | new->extra->vnc.export.rfapi_handle = (void *)rfd; | |
317f1fe0 | 1085 | encode_label(label_val, &new->extra->label[0]); |
d62a17ae | 1086 | |
1087 | /* debug */ | |
1088 | ||
1089 | if (VNC_DEBUG(VERBOSE)) { | |
1090 | vnc_zlog_debug_verbose("%s: printing BI", __func__); | |
1091 | rfapiPrintBi(NULL, new); | |
1092 | } | |
1093 | ||
1094 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
1095 | bgp_info_add(bn, new); | |
1096 | ||
1097 | if (safi == SAFI_MPLS_VPN) { | |
1098 | struct bgp_node *prn = NULL; | |
1099 | struct bgp_table *table = NULL; | |
1100 | ||
1101 | prn = bgp_node_get(bgp->rib[afi][safi], (struct prefix *)prd); | |
1102 | if (prn->info) { | |
1103 | table = (struct bgp_table *)(prn->info); | |
1104 | ||
1105 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
1106 | bgp, prd, table, p, new); | |
1107 | } | |
1108 | bgp_unlock_node(prn); | |
1109 | encode_label(label_val, &bn->local_label); | |
1110 | } | |
1111 | ||
1112 | bgp_unlock_node(bn); | |
1113 | bgp_process(bgp, bn, afi, safi); | |
1114 | ||
1115 | vnc_zlog_debug_any( | |
1116 | "%s: Added route (safi=%s) at prefix %s (bn=%p, prd=%s)", | |
1117 | __func__, safi2str(safi), buf, bn, buf2); | |
65efcfce LB |
1118 | |
1119 | done: | |
d62a17ae | 1120 | /* Loop back to import tables */ |
1121 | rfapiProcessUpdate(rfd->peer, rfd, p, prd, new_attr, afi, safi, type, | |
1122 | sub_type, &label_val); | |
1123 | vnc_zlog_debug_verbose("%s: looped back import route (safi=%d)", | |
1124 | __func__, safi); | |
65efcfce LB |
1125 | } |
1126 | ||
d62a17ae | 1127 | uint32_t rfp_cost_to_localpref(uint8_t cost) |
65efcfce | 1128 | { |
d62a17ae | 1129 | return 255 - cost; |
65efcfce LB |
1130 | } |
1131 | ||
d62a17ae | 1132 | static void rfapiTunnelRouteAnnounce(struct bgp *bgp, |
1133 | struct rfapi_descriptor *rfd, | |
1134 | uint32_t *pLifetime) | |
65efcfce | 1135 | { |
d62a17ae | 1136 | struct prefix_rd prd; |
1137 | struct prefix pfx_vn; | |
1138 | int rc; | |
1139 | uint32_t local_pref = rfp_cost_to_localpref(0); | |
1140 | ||
1141 | rc = rfapiRaddr2Qprefix(&(rfd->vn_addr), &pfx_vn); | |
1142 | assert(!rc); | |
1143 | ||
1144 | /* | |
1145 | * Construct route distinguisher = 0 | |
1146 | */ | |
1147 | memset(&prd, 0, sizeof(prd)); | |
1148 | prd.family = AF_UNSPEC; | |
1149 | prd.prefixlen = 64; | |
1150 | ||
1151 | add_vnc_route(rfd, /* rfapi descr, for export list & backref */ | |
1152 | bgp, /* which bgp instance */ | |
1153 | SAFI_ENCAP, /* which SAFI */ | |
1154 | &pfx_vn, /* prefix to advertise */ | |
1155 | &prd, /* route distinguisher to use */ | |
1156 | &rfd->un_addr, /* nexthop */ | |
1157 | &local_pref, | |
1158 | pLifetime, /* max lifetime of child VPN routes */ | |
1159 | NULL, /* no rfp options for ENCAP safi */ | |
1160 | NULL, /* rfp un options */ | |
1161 | NULL, /* rfp vn options */ | |
1162 | rfd->rt_export_list, NULL, /* med */ | |
1163 | NULL, /* label: default */ | |
1164 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
65efcfce LB |
1165 | } |
1166 | ||
1167 | ||
1168 | /*********************************************************************** | |
1169 | * RFP processing behavior configuration | |
1170 | ***********************************************************************/ | |
1171 | ||
1172 | /*------------------------------------------ | |
1173 | * rfapi_rfp_set_configuration | |
1174 | * | |
d62a17ae | 1175 | * This is used to change rfapi's processing behavior based on |
1176 | * RFP requirements. | |
65efcfce | 1177 | * |
d62a17ae | 1178 | * input: |
65efcfce LB |
1179 | * rfp_start_val value returned by rfp_start |
1180 | * rfapi_rfp_cfg Pointer to configuration structure | |
1181 | * | |
1182 | * output: | |
1183 | * none | |
1184 | * | |
d62a17ae | 1185 | * return value: |
65efcfce LB |
1186 | * 0 Success |
1187 | * ENXIO Unabled to locate configured BGP/VNC | |
1188 | --------------------------------------------*/ | |
d62a17ae | 1189 | int rfapi_rfp_set_configuration(void *rfp_start_val, struct rfapi_rfp_cfg *new) |
65efcfce | 1190 | { |
d62a17ae | 1191 | struct rfapi_rfp_cfg *rcfg; |
1192 | struct bgp *bgp; | |
1193 | ||
1194 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1195 | ||
1196 | if (!new || !bgp || !bgp->rfapi_cfg) | |
1197 | return ENXIO; | |
1198 | ||
1199 | rcfg = &bgp->rfapi_cfg->rfp_cfg; | |
1200 | rcfg->download_type = new->download_type; | |
1201 | rcfg->ftd_advertisement_interval = new->ftd_advertisement_interval; | |
1202 | rcfg->holddown_factor = new->holddown_factor; | |
1203 | ||
1204 | if (rcfg->use_updated_response != new->use_updated_response) { | |
1205 | rcfg->use_updated_response = new->use_updated_response; | |
1206 | if (rcfg->use_updated_response) | |
1207 | rfapiMonitorCallbacksOn(bgp); | |
1208 | else | |
1209 | rfapiMonitorCallbacksOff(bgp); | |
1210 | } | |
1211 | if (rcfg->use_removes != new->use_removes) { | |
1212 | rcfg->use_removes = new->use_removes; | |
1213 | if (rcfg->use_removes) | |
1214 | rfapiMonitorResponseRemovalOn(bgp); | |
1215 | else | |
1216 | rfapiMonitorResponseRemovalOff(bgp); | |
1217 | } | |
1218 | return 0; | |
65efcfce LB |
1219 | } |
1220 | ||
1221 | /*------------------------------------------ | |
1222 | * rfapi_rfp_set_cb_methods | |
1223 | * | |
d62a17ae | 1224 | * Change registered callback functions for asynchronous notifications |
65efcfce LB |
1225 | * from RFAPI to the RFP client. |
1226 | * | |
d62a17ae | 1227 | * input: |
65efcfce LB |
1228 | * rfp_start_val value returned by rfp_start |
1229 | * methods Pointer to struct rfapi_rfp_cb_methods containing | |
1230 | * pointers to callback methods as described above | |
1231 | * | |
d62a17ae | 1232 | * return value: |
65efcfce LB |
1233 | * 0 Success |
1234 | * ENXIO BGP or VNC not configured | |
1235 | *------------------------------------------*/ | |
d62a17ae | 1236 | int rfapi_rfp_set_cb_methods(void *rfp_start_val, |
1237 | struct rfapi_rfp_cb_methods *methods) | |
65efcfce | 1238 | { |
d62a17ae | 1239 | struct rfapi *h; |
1240 | struct bgp *bgp; | |
65efcfce | 1241 | |
d62a17ae | 1242 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
1243 | if (!bgp) | |
1244 | return ENXIO; | |
65efcfce | 1245 | |
d62a17ae | 1246 | h = bgp->rfapi; |
1247 | if (!h) | |
1248 | return ENXIO; | |
65efcfce | 1249 | |
d62a17ae | 1250 | h->rfp_methods = *methods; |
65efcfce | 1251 | |
d62a17ae | 1252 | return 0; |
65efcfce LB |
1253 | } |
1254 | ||
1255 | /*********************************************************************** | |
1256 | * NVE Sessions | |
1257 | ***********************************************************************/ | |
65efcfce LB |
1258 | /* |
1259 | * Caller must supply an already-allocated rfd with the "caller" | |
1260 | * fields already set (vn_addr, un_addr, callback, cookie) | |
1261 | * The advertised_prefixes[] array elements should be NULL to | |
1262 | * have this function set them to newly-allocated radix trees. | |
1263 | */ | |
d62a17ae | 1264 | static int rfapi_open_inner(struct rfapi_descriptor *rfd, struct bgp *bgp, |
1265 | struct rfapi *h, struct rfapi_nve_group_cfg *rfg) | |
65efcfce | 1266 | { |
d62a17ae | 1267 | int ret; |
1268 | ||
1269 | if (h->flags & RFAPI_INCALLBACK) | |
1270 | return EDEADLK; | |
1271 | ||
1272 | /* | |
1273 | * Fill in configured fields | |
1274 | */ | |
1275 | ||
1276 | /* | |
1277 | * If group's RD is specified as "auto", then fill in based | |
1278 | * on NVE's VN address | |
1279 | */ | |
1280 | rfd->rd = rfg->rd; | |
1281 | ||
1282 | if (rfd->rd.family == AF_UNIX) { | |
1283 | ret = rfapi_set_autord_from_vn(&rfd->rd, &rfd->vn_addr); | |
1284 | if (ret != 0) | |
1285 | return ret; | |
1286 | } | |
1287 | rfd->rt_export_list = (rfg->rt_export_list) | |
1288 | ? ecommunity_dup(rfg->rt_export_list) | |
1289 | : NULL; | |
1290 | rfd->response_lifetime = rfg->response_lifetime; | |
1291 | rfd->rfg = rfg; | |
1292 | ||
1293 | /* | |
1294 | * Fill in BGP peer structure | |
1295 | */ | |
1296 | rfd->peer = peer_new(bgp); | |
1297 | rfd->peer->status = Established; /* keep bgp core happy */ | |
1298 | bgp_sync_delete(rfd->peer); /* don't need these */ | |
424ab01d | 1299 | |
becedef6 QY |
1300 | /* |
1301 | * since this peer is not on the I/O thread, this lock is not strictly | |
1302 | * necessary, but serves as a reminder to those who may meddle... | |
1303 | */ | |
424ab01d QY |
1304 | pthread_mutex_lock(&rfd->peer->io_mtx); |
1305 | { | |
1306 | // we don't need any I/O related facilities | |
1307 | if (rfd->peer->ibuf) | |
1308 | stream_fifo_free(rfd->peer->ibuf); | |
1309 | if (rfd->peer->obuf) | |
1310 | stream_fifo_free(rfd->peer->obuf); | |
1311 | ||
1312 | if (rfd->peer->ibuf_work) | |
74ffbfe6 | 1313 | ringbuf_del(rfd->peer->ibuf_work); |
424ab01d QY |
1314 | if (rfd->peer->obuf_work) |
1315 | stream_free(rfd->peer->obuf_work); | |
1316 | ||
d62a17ae | 1317 | rfd->peer->ibuf = NULL; |
d62a17ae | 1318 | rfd->peer->obuf = NULL; |
424ab01d QY |
1319 | rfd->peer->obuf_work = NULL; |
1320 | rfd->peer->ibuf_work = NULL; | |
d62a17ae | 1321 | } |
424ab01d QY |
1322 | pthread_mutex_unlock(&rfd->peer->io_mtx); |
1323 | ||
d62a17ae | 1324 | { /* base code assumes have valid host pointer */ |
1325 | char buf[BUFSIZ]; | |
1326 | buf[0] = 0; | |
1327 | ||
1328 | if (rfd->vn_addr.addr_family == AF_INET) { | |
1329 | inet_ntop(AF_INET, &rfd->vn_addr.addr.v4, buf, BUFSIZ); | |
1330 | } else if (rfd->vn_addr.addr_family == AF_INET6) { | |
1331 | inet_ntop(AF_INET6, &rfd->vn_addr.addr.v6, buf, BUFSIZ); | |
1332 | } | |
1333 | rfd->peer->host = XSTRDUP(MTYPE_BGP_PEER_HOST, buf); | |
1334 | } | |
1335 | /* Mark peer as belonging to HD */ | |
1336 | SET_FLAG(rfd->peer->flags, PEER_FLAG_IS_RFAPI_HD); | |
1337 | ||
1338 | /* | |
1339 | * Set min prefix lifetime to max value so it will get set | |
1340 | * upon first rfapi_register() | |
1341 | */ | |
1342 | rfd->min_prefix_lifetime = UINT32_MAX; | |
65efcfce | 1343 | |
d62a17ae | 1344 | /* |
1345 | * Allocate response tables if needed | |
1346 | */ | |
1347 | #define RFD_RTINIT_AFI(rh, ary, afi) \ | |
1348 | do { \ | |
1349 | if (!ary[afi]) { \ | |
1350 | ary[afi] = route_table_init(); \ | |
1351 | ary[afi]->info = rh; \ | |
1352 | } \ | |
1353 | } while (0) | |
1354 | ||
1355 | #define RFD_RTINIT(rh, ary) \ | |
1356 | do { \ | |
1357 | RFD_RTINIT_AFI(rh, ary, AFI_IP); \ | |
1358 | RFD_RTINIT_AFI(rh, ary, AFI_IP6); \ | |
1359 | RFD_RTINIT_AFI(rh, ary, AFI_L2VPN); \ | |
1360 | } while (0) | |
1361 | ||
1362 | RFD_RTINIT(rfd, rfd->rib); | |
1363 | RFD_RTINIT(rfd, rfd->rib_pending); | |
1364 | RFD_RTINIT(rfd, rfd->rsp_times); | |
1365 | ||
1366 | /* | |
1367 | * Link to Import Table | |
1368 | */ | |
1369 | rfd->import_table = rfg->rfapi_import_table; | |
1370 | rfd->import_table->refcount += 1; | |
1371 | ||
1372 | rfapiApInit(&rfd->advertised); | |
1373 | ||
1374 | /* | |
1375 | * add this NVE descriptor to the list of NVEs in the NVE group | |
1376 | */ | |
1377 | if (!rfg->nves) { | |
1378 | rfg->nves = list_new(); | |
1379 | } | |
1380 | listnode_add(rfg->nves, rfd); | |
1381 | ||
1382 | vnc_direct_bgp_add_nve(bgp, rfd); | |
1383 | vnc_zebra_add_nve(bgp, rfd); | |
1384 | ||
1385 | return 0; | |
1386 | } | |
65efcfce | 1387 | |
d62a17ae | 1388 | /* moved from rfapi_register */ |
1389 | int rfapi_init_and_open(struct bgp *bgp, struct rfapi_descriptor *rfd, | |
1390 | struct rfapi_nve_group_cfg *rfg) | |
1391 | { | |
1392 | struct rfapi *h = bgp->rfapi; | |
1393 | char buf_vn[BUFSIZ]; | |
1394 | char buf_un[BUFSIZ]; | |
1395 | afi_t afi_vn, afi_un; | |
1396 | struct prefix pfx_un; | |
1397 | struct route_node *rn; | |
1398 | ||
1399 | ||
1400 | rfapi_time(&rfd->open_time); | |
1401 | ||
1402 | if (rfg->type == RFAPI_GROUP_CFG_VRF) | |
1403 | SET_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF); | |
1404 | ||
1405 | rfapiRfapiIpAddr2Str(&rfd->vn_addr, buf_vn, BUFSIZ); | |
1406 | rfapiRfapiIpAddr2Str(&rfd->un_addr, buf_un, BUFSIZ); | |
1407 | ||
1408 | vnc_zlog_debug_verbose("%s: new RFD with VN=%s UN=%s cookie=%p", | |
1409 | __func__, buf_vn, buf_un, rfd->cookie); | |
1410 | ||
1411 | if (rfg->type != RFAPI_GROUP_CFG_VRF) /* unclear if needed for VRF */ | |
1412 | { | |
1413 | listnode_add(&h->descriptors, rfd); | |
1414 | if (h->descriptors.count > h->stat.max_descriptors) { | |
1415 | h->stat.max_descriptors = h->descriptors.count; | |
1416 | } | |
1417 | ||
1418 | /* | |
1419 | * attach to UN radix tree | |
1420 | */ | |
1421 | afi_vn = family2afi(rfd->vn_addr.addr_family); | |
1422 | afi_un = family2afi(rfd->un_addr.addr_family); | |
1423 | assert(afi_vn && afi_un); | |
1424 | assert(!rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un)); | |
1425 | ||
0ae6124f | 1426 | rn = route_node_get(h->un[afi_un], &pfx_un); |
d62a17ae | 1427 | assert(rn); |
1428 | rfd->next = rn->info; | |
1429 | rn->info = rfd; | |
1430 | rfd->un_node = rn; | |
1431 | } | |
1432 | return rfapi_open_inner(rfd, bgp, h, rfg); | |
1433 | } | |
65efcfce | 1434 | |
d62a17ae | 1435 | struct rfapi_vn_option *rfapiVnOptionsDup(struct rfapi_vn_option *orig) |
1436 | { | |
1437 | struct rfapi_vn_option *head = NULL; | |
1438 | struct rfapi_vn_option *tail = NULL; | |
1439 | struct rfapi_vn_option *vo = NULL; | |
1440 | ||
1441 | for (vo = orig; vo; vo = vo->next) { | |
1442 | struct rfapi_vn_option *new; | |
1443 | ||
1444 | new = XCALLOC(MTYPE_RFAPI_VN_OPTION, | |
1445 | sizeof(struct rfapi_vn_option)); | |
1446 | memcpy(new, vo, sizeof(struct rfapi_vn_option)); | |
1447 | new->next = NULL; | |
1448 | ||
1449 | if (tail) { | |
1450 | tail->next = new; | |
1451 | } else { | |
1452 | head = tail = new; | |
1453 | } | |
1454 | } | |
1455 | return head; | |
1456 | } | |
65efcfce | 1457 | |
d62a17ae | 1458 | struct rfapi_un_option *rfapiUnOptionsDup(struct rfapi_un_option *orig) |
1459 | { | |
1460 | struct rfapi_un_option *head = NULL; | |
1461 | struct rfapi_un_option *tail = NULL; | |
1462 | struct rfapi_un_option *uo = NULL; | |
1463 | ||
1464 | for (uo = orig; uo; uo = uo->next) { | |
1465 | struct rfapi_un_option *new; | |
1466 | ||
1467 | new = XCALLOC(MTYPE_RFAPI_UN_OPTION, | |
1468 | sizeof(struct rfapi_un_option)); | |
1469 | memcpy(new, uo, sizeof(struct rfapi_un_option)); | |
1470 | new->next = NULL; | |
1471 | ||
1472 | if (tail) { | |
1473 | tail->next = new; | |
1474 | } else { | |
1475 | head = tail = new; | |
1476 | } | |
1477 | } | |
1478 | return head; | |
1479 | } | |
65efcfce | 1480 | |
d62a17ae | 1481 | struct bgp_tea_options *rfapiOptionsDup(struct bgp_tea_options *orig) |
5ff06872 | 1482 | { |
d62a17ae | 1483 | struct bgp_tea_options *head = NULL; |
1484 | struct bgp_tea_options *tail = NULL; | |
1485 | struct bgp_tea_options *hop = NULL; | |
1486 | ||
1487 | for (hop = orig; hop; hop = hop->next) { | |
1488 | struct bgp_tea_options *new; | |
1489 | ||
1490 | new = XCALLOC(MTYPE_BGP_TEA_OPTIONS, | |
1491 | sizeof(struct bgp_tea_options)); | |
1492 | memcpy(new, hop, sizeof(struct bgp_tea_options)); | |
1493 | new->next = NULL; | |
1494 | if (hop->value) { | |
1495 | new->value = XCALLOC(MTYPE_BGP_TEA_OPTIONS_VALUE, | |
1496 | hop->length); | |
1497 | memcpy(new->value, hop->value, hop->length); | |
1498 | } | |
1499 | if (tail) { | |
1500 | tail->next = new; | |
1501 | } else { | |
1502 | head = tail = new; | |
1503 | } | |
1504 | } | |
1505 | return head; | |
5ff06872 LB |
1506 | } |
1507 | ||
d62a17ae | 1508 | void rfapiFreeBgpTeaOptionChain(struct bgp_tea_options *p) |
65efcfce | 1509 | { |
d62a17ae | 1510 | struct bgp_tea_options *next; |
65efcfce | 1511 | |
d62a17ae | 1512 | while (p) { |
1513 | next = p->next; | |
65efcfce | 1514 | |
d62a17ae | 1515 | if (p->value) { |
1516 | XFREE(MTYPE_BGP_TEA_OPTIONS_VALUE, p->value); | |
1517 | p->value = NULL; | |
1518 | } | |
1519 | XFREE(MTYPE_BGP_TEA_OPTIONS, p); | |
65efcfce | 1520 | |
d62a17ae | 1521 | p = next; |
1522 | } | |
65efcfce LB |
1523 | } |
1524 | ||
d62a17ae | 1525 | void rfapiAdbFree(struct rfapi_adb *adb) |
65efcfce | 1526 | { |
d62a17ae | 1527 | XFREE(MTYPE_RFAPI_ADB, adb); |
65efcfce LB |
1528 | } |
1529 | ||
1530 | static int | |
d62a17ae | 1531 | rfapi_query_inner(void *handle, struct rfapi_ip_addr *target, |
1532 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
1533 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 1534 | { |
d62a17ae | 1535 | afi_t afi; |
1536 | struct prefix p; | |
1537 | struct prefix p_original; | |
1538 | struct route_node *rn; | |
1539 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; | |
1540 | struct bgp *bgp = rfd->bgp; | |
1541 | struct rfapi_next_hop_entry *pNHE = NULL; | |
1542 | struct rfapi_ip_addr *self_vn_addr = NULL; | |
1543 | int eth_is_0 = 0; | |
1544 | int use_eth_resolution = 0; | |
1545 | struct rfapi_next_hop_entry *i_nhe; | |
1546 | ||
1547 | /* preemptive */ | |
1548 | if (!bgp) { | |
1549 | vnc_zlog_debug_verbose("%s: No BGP instance, returning ENXIO", | |
1550 | __func__); | |
1551 | return ENXIO; | |
1552 | } | |
1553 | if (!bgp->rfapi) { | |
1554 | vnc_zlog_debug_verbose("%s: No RFAPI instance, returning ENXIO", | |
1555 | __func__); | |
1556 | return ENXIO; | |
1557 | } | |
1558 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
1559 | vnc_zlog_debug_verbose( | |
1560 | "%s: Called during calback, returning EDEADLK", | |
1561 | __func__); | |
1562 | return EDEADLK; | |
1563 | } | |
1564 | ||
1565 | if (!is_valid_rfd(rfd)) { | |
1566 | vnc_zlog_debug_verbose("%s: invalid handle, returning EBADF", | |
1567 | __func__); | |
1568 | return EBADF; | |
1569 | } | |
1570 | ||
1571 | rfd->rsp_counter++; /* dedup: identify this generation */ | |
1572 | rfd->rsp_time = rfapi_time(NULL); /* response content dedup */ | |
1573 | rfd->ftd_last_allowed_time = | |
1574 | bgp_clock() | |
1575 | - bgp->rfapi_cfg->rfp_cfg.ftd_advertisement_interval; | |
1576 | ||
1577 | if (l2o) { | |
1578 | if (!memcmp(l2o->macaddr.octet, rfapi_ethaddr0.octet, | |
28328ea9 | 1579 | ETH_ALEN)) { |
d62a17ae | 1580 | eth_is_0 = 1; |
1581 | } | |
1582 | /* per t/c Paul/Lou 151022 */ | |
1583 | if (!eth_is_0 || l2o->logical_net_id) { | |
1584 | use_eth_resolution = 1; | |
1585 | } | |
1586 | } | |
1587 | ||
1588 | if (ppNextHopEntry) | |
1589 | *ppNextHopEntry = NULL; | |
1590 | ||
1591 | /* | |
1592 | * Save original target in prefix form. In case of L2-based queries, | |
1593 | * p_original will be modified to reflect the L2 target | |
1594 | */ | |
1595 | assert(!rfapiRaddr2Qprefix(target, &p_original)); | |
1596 | ||
1597 | if (bgp->rfapi_cfg->rfp_cfg.download_type == RFAPI_RFP_DOWNLOAD_FULL) { | |
1598 | /* convert query to 0/0 when full-table download is enabled */ | |
1599 | memset((char *)&p, 0, sizeof(p)); | |
1600 | p.family = target->addr_family; | |
1601 | } else { | |
1602 | p = p_original; | |
1603 | } | |
1604 | ||
1605 | { | |
872ed4c7 | 1606 | char buf[PREFIX_STRLEN]; |
d62a17ae | 1607 | char *s; |
1608 | ||
872ed4c7 | 1609 | prefix2str(&p, buf, sizeof(buf)); |
d62a17ae | 1610 | vnc_zlog_debug_verbose("%s(rfd=%p, target=%s, ppNextHop=%p)", |
1611 | __func__, rfd, buf, ppNextHopEntry); | |
1612 | ||
1613 | s = ecommunity_ecom2str(rfd->import_table->rt_import_list, | |
1614 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
1615 | vnc_zlog_debug_verbose( | |
1616 | "%s rfd->import_table=%p, rfd->import_table->rt_import_list: %s", | |
1617 | __func__, rfd->import_table, s); | |
1618 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
1619 | } | |
1620 | ||
1621 | afi = family2afi(p.family); | |
1622 | assert(afi); | |
1623 | ||
1624 | if (CHECK_FLAG(bgp->rfapi_cfg->flags, | |
1625 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP)) { | |
1626 | self_vn_addr = &rfd->vn_addr; | |
1627 | } | |
1628 | ||
1629 | if (use_eth_resolution) { | |
1630 | uint32_t logical_net_id = l2o->logical_net_id; | |
1631 | struct ecommunity *l2com; | |
1632 | ||
1633 | /* | |
1634 | * fix up p_original to contain L2 address | |
1635 | */ | |
1636 | rfapiL2o2Qprefix(l2o, &p_original); | |
1637 | ||
1638 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
1639 | bgp, 1, logical_net_id, l2o->label); | |
1640 | if (l2com) { | |
1641 | uint8_t *v = l2com->val; | |
1642 | logical_net_id = (v[5] << 16) + (v[6] << 8) + (v[7]); | |
1643 | } | |
1644 | /* | |
1645 | * Ethernet/L2-based lookup | |
1646 | * | |
1647 | * Always returns IT node corresponding to route | |
1648 | */ | |
1649 | ||
1650 | if (RFAPI_RFP_DOWNLOAD_FULL | |
1651 | == bgp->rfapi_cfg->rfp_cfg.download_type) { | |
1652 | eth_is_0 = 1; | |
1653 | } | |
1654 | ||
1655 | rn = rfapiMonitorEthAdd( | |
1656 | bgp, rfd, (eth_is_0 ? &rfapi_ethaddr0 : &l2o->macaddr), | |
1657 | logical_net_id); | |
1658 | ||
1659 | if (eth_is_0) { | |
1660 | struct rfapi_ip_prefix rprefix; | |
1661 | ||
1662 | memset(&rprefix, 0, sizeof(rprefix)); | |
1663 | rprefix.prefix.addr_family = target->addr_family; | |
1664 | if (target->addr_family == AF_INET) { | |
1665 | rprefix.length = 32; | |
1666 | } else { | |
1667 | rprefix.length = 128; | |
1668 | } | |
1669 | ||
1670 | pNHE = rfapiEthRouteTable2NextHopList( | |
1671 | logical_net_id, &rprefix, | |
1672 | rfd->response_lifetime, self_vn_addr, | |
1673 | rfd->rib[afi], &p_original); | |
1674 | goto done; | |
1675 | } | |
1676 | ||
1677 | } else { | |
1678 | ||
1679 | /* | |
1680 | * IP-based lookup | |
1681 | */ | |
1682 | ||
1683 | rn = rfapiMonitorAdd(bgp, rfd, &p); | |
1684 | ||
1685 | /* | |
1686 | * If target address is 0, this request is special: means to | |
1687 | * return ALL routes in the table | |
1688 | * | |
1689 | * Monitors for All-Routes queries get put on a special list, | |
1690 | * not in the VPN tree | |
1691 | */ | |
1692 | if (RFAPI_0_PREFIX(&p)) { | |
1693 | ||
1694 | vnc_zlog_debug_verbose("%s: 0-prefix", __func__); | |
1695 | ||
1696 | /* | |
1697 | * Generate nexthop list for caller | |
1698 | */ | |
1699 | pNHE = rfapiRouteTable2NextHopList( | |
1700 | rfd->import_table->imported_vpn[afi], | |
1701 | rfd->response_lifetime, self_vn_addr, | |
1702 | rfd->rib[afi], &p_original); | |
1703 | goto done; | |
1704 | } | |
1705 | ||
1706 | if (rn) { | |
1707 | route_lock_node(rn); /* so we can unlock below */ | |
1708 | } else { | |
1709 | /* | |
1710 | * returns locked node. Don't unlock yet because the | |
1711 | * unlock | |
1712 | * might free it before we're done with it. This | |
1713 | * situation | |
1714 | * could occur when rfapiMonitorGetAttachNode() returns | |
1715 | * a | |
1716 | * newly-created default node. | |
1717 | */ | |
1718 | rn = rfapiMonitorGetAttachNode(rfd, &p); | |
1719 | } | |
1720 | } | |
1721 | ||
1722 | assert(rn); | |
1723 | if (!rn->info) { | |
1724 | route_unlock_node(rn); | |
1725 | vnc_zlog_debug_verbose( | |
1726 | "%s: VPN route not found, returning ENOENT", __func__); | |
1727 | return ENOENT; | |
1728 | } | |
1729 | ||
1730 | if (VNC_DEBUG(RFAPI_QUERY)) { | |
1731 | rfapiShowImportTable(NULL, "query", | |
1732 | rfd->import_table->imported_vpn[afi], 1); | |
1733 | } | |
1734 | ||
1735 | if (use_eth_resolution) { | |
1736 | ||
1737 | struct rfapi_ip_prefix rprefix; | |
1738 | ||
1739 | memset(&rprefix, 0, sizeof(rprefix)); | |
1740 | rprefix.prefix.addr_family = target->addr_family; | |
1741 | if (target->addr_family == AF_INET) { | |
1742 | rprefix.length = 32; | |
1743 | } else { | |
1744 | rprefix.length = 128; | |
1745 | } | |
1746 | ||
1747 | pNHE = rfapiEthRouteNode2NextHopList( | |
1748 | rn, &rprefix, rfd->response_lifetime, self_vn_addr, | |
1749 | rfd->rib[afi], &p_original); | |
1750 | ||
1751 | ||
1752 | } else { | |
1753 | /* | |
1754 | * Generate answer to query | |
1755 | */ | |
1756 | pNHE = rfapiRouteNode2NextHopList(rn, rfd->response_lifetime, | |
1757 | self_vn_addr, rfd->rib[afi], | |
1758 | &p_original); | |
1759 | } | |
1760 | ||
1761 | route_unlock_node(rn); | |
65efcfce LB |
1762 | |
1763 | done: | |
d62a17ae | 1764 | if (ppNextHopEntry) { |
1765 | /* only count if caller gets it */ | |
1766 | ++bgp->rfapi->response_immediate_count; | |
1767 | } | |
1768 | ||
1769 | if (!pNHE) { | |
1770 | vnc_zlog_debug_verbose("%s: NO NHEs, returning ENOENT", | |
1771 | __func__); | |
1772 | return ENOENT; | |
1773 | } | |
1774 | ||
1775 | /* | |
1776 | * count nexthops for statistics | |
1777 | */ | |
1778 | for (i_nhe = pNHE; i_nhe; i_nhe = i_nhe->next) { | |
1779 | ++rfd->stat_count_nh_reachable; | |
1780 | } | |
1781 | ||
1782 | if (ppNextHopEntry) { | |
1783 | *ppNextHopEntry = pNHE; | |
1784 | } else { | |
1785 | rfapi_free_next_hop_list(pNHE); | |
1786 | } | |
1787 | ||
1788 | vnc_zlog_debug_verbose("%s: success", __func__); | |
1789 | return 0; | |
65efcfce LB |
1790 | } |
1791 | ||
1792 | /* | |
1793 | * support on-the-fly reassignment of an already-open nve to a new | |
1794 | * nve-group in the event that its original nve-group is | |
1795 | * administratively deleted. | |
1796 | */ | |
d62a17ae | 1797 | static int rfapi_open_rfd(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 1798 | { |
d62a17ae | 1799 | struct prefix pfx_vn; |
1800 | struct prefix pfx_un; | |
1801 | struct rfapi_nve_group_cfg *rfg; | |
1802 | struct rfapi *h; | |
1803 | struct rfapi_cfg *hc; | |
1804 | int rc; | |
1805 | ||
1806 | h = bgp->rfapi; | |
1807 | if (!h) | |
1808 | return ENXIO; | |
1809 | ||
1810 | hc = bgp->rfapi_cfg; | |
1811 | if (!hc) | |
1812 | return ENXIO; | |
1813 | ||
1814 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
1815 | assert(!rc); | |
1816 | ||
1817 | rc = rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un); | |
1818 | assert(!rc); | |
1819 | ||
1820 | /* | |
1821 | * Find the matching nve group config block | |
1822 | */ | |
1823 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1824 | if (!rfg) { | |
1825 | return ENOENT; | |
1826 | } | |
1827 | ||
1828 | /* | |
1829 | * check nve group config block for required values | |
1830 | */ | |
1831 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1832 | ||
1833 | return ENOMSG; | |
1834 | } | |
1835 | ||
1836 | rc = rfapi_open_inner(rfd, bgp, h, rfg); | |
1837 | if (rc) { | |
1838 | return rc; | |
1839 | } | |
1840 | ||
1841 | /* | |
1842 | * re-advertise registered routes, this time as part of new NVE-group | |
1843 | */ | |
1844 | rfapiApReadvertiseAll(bgp, rfd); | |
1845 | ||
1846 | /* | |
1847 | * re-attach callbacks to import table | |
1848 | */ | |
1849 | if (!(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_CALLBACK_DISABLE)) { | |
1850 | rfapiMonitorAttachImportHd(rfd); | |
1851 | } | |
1852 | ||
1853 | return 0; | |
65efcfce LB |
1854 | } |
1855 | ||
1856 | /*------------------------------------------ | |
1857 | * rfapi_open | |
1858 | * | |
1859 | * This function initializes a NVE record and associates it with | |
1860 | * the specified VN and underlay network addresses | |
1861 | * | |
d62a17ae | 1862 | * input: |
65efcfce LB |
1863 | * rfp_start_val value returned by rfp_start |
1864 | * vn NVE virtual network address | |
1865 | * | |
1866 | * un NVE underlay network address | |
1867 | * | |
1868 | * default_options Default options to use on registrations. | |
1869 | * For now only tunnel type is supported. | |
1870 | * May be overridden per-prefix in rfapi_register(). | |
1871 | * Caller owns (rfapi_open() does not free) | |
1872 | * | |
1873 | * response_cb Pointer to next hop list update callback function or | |
1874 | * NULL when no callbacks are desired. | |
1875 | * | |
1876 | * userdata Passed to subsequent response_cb invocations. | |
1877 | * | |
1878 | * output: | |
1879 | * response_lifetime The length of time that responses sent to this | |
d62a17ae | 1880 | * NVE are valid. |
65efcfce LB |
1881 | * |
1882 | * pHandle pointer to location to store rfapi handle. The | |
1883 | * handle must be passed on subsequent rfapi_ calls. | |
1884 | * | |
1885 | * | |
d62a17ae | 1886 | * return value: |
65efcfce LB |
1887 | * 0 Success |
1888 | * EEXIST NVE with this {vn,un} already open | |
1889 | * ENOENT No matching nve group config | |
1890 | * ENOMSG Matched nve group config was incomplete | |
1891 | * ENXIO BGP or VNC not configured | |
1892 | * EAFNOSUPPORT Matched nve group specifies auto-assignment of RD, | |
1893 | * but underlay network address is not IPv4 | |
1894 | * EDEADLK Called from within a callback procedure | |
1895 | *------------------------------------------*/ | |
d62a17ae | 1896 | int rfapi_open(void *rfp_start_val, struct rfapi_ip_addr *vn, |
1897 | struct rfapi_ip_addr *un, | |
1898 | struct rfapi_un_option *default_options, | |
1899 | uint32_t *response_lifetime, | |
1900 | void *userdata, /* callback cookie */ | |
1901 | rfapi_handle *pHandle) | |
65efcfce | 1902 | { |
d62a17ae | 1903 | struct bgp *bgp; |
1904 | struct rfapi *h; | |
1905 | struct rfapi_descriptor *rfd; | |
1906 | struct rfapi_cfg *hc; | |
1907 | struct rfapi_nve_group_cfg *rfg; | |
1908 | ||
1909 | struct prefix pfx_vn; | |
1910 | struct prefix pfx_un; | |
1911 | ||
1912 | int rc; | |
1913 | rfapi_handle hh = NULL; | |
1914 | int reusing_provisional = 0; | |
1915 | ||
1916 | { | |
1917 | char buf[2][INET_ADDRSTRLEN]; | |
1918 | vnc_zlog_debug_verbose( | |
1919 | "%s: VN=%s UN=%s", __func__, | |
1920 | rfapiRfapiIpAddr2Str(vn, buf[0], INET_ADDRSTRLEN), | |
1921 | rfapiRfapiIpAddr2Str(un, buf[1], INET_ADDRSTRLEN)); | |
1922 | } | |
1923 | ||
1924 | assert(pHandle); | |
1925 | *pHandle = NULL; | |
1926 | ||
1927 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1928 | if (!bgp) | |
1929 | return ENXIO; | |
1930 | ||
1931 | h = bgp->rfapi; | |
1932 | if (!h) | |
1933 | return ENXIO; | |
1934 | ||
1935 | hc = bgp->rfapi_cfg; | |
1936 | if (!hc) | |
1937 | return ENXIO; | |
1938 | ||
1939 | if (h->flags & RFAPI_INCALLBACK) | |
1940 | return EDEADLK; | |
1941 | ||
1942 | rc = rfapiRaddr2Qprefix(vn, &pfx_vn); | |
1943 | assert(!rc); | |
1944 | ||
1945 | rc = rfapiRaddr2Qprefix(un, &pfx_un); | |
1946 | assert(!rc); | |
1947 | ||
1948 | /* | |
1949 | * already have a descriptor with VN and UN? | |
1950 | */ | |
1951 | if (!rfapi_find_handle(bgp, vn, un, &hh)) { | |
1952 | /* | |
1953 | * we might have set up a handle for static routes before | |
1954 | * this NVE was opened. In that case, reuse the handle | |
1955 | */ | |
1956 | rfd = hh; | |
1957 | if (!CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_PROVISIONAL)) { | |
1958 | return EEXIST; | |
1959 | } | |
1960 | ||
1961 | /* | |
1962 | * reuse provisional descriptor | |
1963 | * hh is not NULL | |
1964 | */ | |
1965 | reusing_provisional = 1; | |
1966 | } | |
1967 | ||
1968 | /* | |
1969 | * Find the matching nve group config block | |
1970 | */ | |
1971 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1972 | if (!rfg) { | |
1973 | ++h->stat.count_unknown_nves; | |
1974 | { | |
1975 | char buf[2][INET_ADDRSTRLEN]; | |
1976 | zlog_notice("%s: no matching group VN=%s UN=%s", | |
1977 | __func__, | |
1978 | rfapiRfapiIpAddr2Str(vn, buf[0], | |
1979 | INET_ADDRSTRLEN), | |
1980 | rfapiRfapiIpAddr2Str(un, buf[1], | |
1981 | INET_ADDRSTRLEN)); | |
1982 | } | |
1983 | return ENOENT; | |
1984 | } | |
1985 | ||
1986 | /* | |
1987 | * check nve group config block for required values | |
1988 | */ | |
1989 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1990 | ||
1991 | ++h->stat.count_unknown_nves; | |
1992 | return ENOMSG; | |
1993 | } | |
1994 | ||
1995 | /* | |
1996 | * If group config specifies auto-rd assignment, check that | |
1997 | * VN address is IPv4|v6 so we don't fail in rfapi_open_inner(). | |
1998 | * Check here so we don't need to unwind memory allocations, &c. | |
1999 | */ | |
2000 | if ((rfg->rd.family == AF_UNIX) && (vn->addr_family != AF_INET) | |
2001 | && (vn->addr_family != AF_INET6)) { | |
2002 | return EAFNOSUPPORT; | |
2003 | } | |
2004 | ||
2005 | if (hh) { | |
2006 | /* | |
2007 | * reusing provisional rfd | |
2008 | */ | |
2009 | rfd = hh; | |
2010 | } else { | |
2011 | rfd = XCALLOC(MTYPE_RFAPI_DESC, | |
2012 | sizeof(struct rfapi_descriptor)); | |
2013 | } | |
2014 | assert(rfd); | |
2015 | ||
2016 | rfd->bgp = bgp; | |
2017 | if (default_options) { | |
2018 | struct rfapi_un_option *p; | |
2019 | ||
2020 | for (p = default_options; p; p = p->next) { | |
2021 | if ((RFAPI_UN_OPTION_TYPE_PROVISIONAL == p->type)) { | |
2022 | rfd->flags |= RFAPI_HD_FLAG_PROVISIONAL; | |
2023 | } | |
2024 | if ((RFAPI_UN_OPTION_TYPE_TUNNELTYPE == p->type)) { | |
2025 | rfd->default_tunneltype_option = p->v.tunnel; | |
2026 | } | |
2027 | } | |
2028 | } | |
2029 | ||
2030 | /* | |
2031 | * Fill in caller fields | |
2032 | */ | |
2033 | rfd->vn_addr = *vn; | |
2034 | rfd->un_addr = *un; | |
2035 | rfd->cookie = userdata; | |
2036 | ||
2037 | if (!reusing_provisional) { | |
2038 | rc = rfapi_init_and_open(bgp, rfd, rfg); | |
2039 | /* | |
2040 | * This can fail only if the VN address is IPv6 and the group | |
2041 | * specified auto-assignment of RDs, which only works for v4, | |
2042 | * and the check above should catch it. | |
2043 | * | |
2044 | * Another failure possibility is that we were called | |
2045 | * during an rfapi callback. Also checked above. | |
2046 | */ | |
2047 | assert(!rc); | |
2048 | } | |
2049 | ||
2050 | if (response_lifetime) | |
2051 | *response_lifetime = rfd->response_lifetime; | |
2052 | *pHandle = rfd; | |
2053 | return 0; | |
65efcfce LB |
2054 | } |
2055 | ||
2056 | /* | |
2057 | * For use with debug functions | |
2058 | */ | |
d62a17ae | 2059 | static int rfapi_set_response_cb(struct rfapi_descriptor *rfd, |
2060 | rfapi_response_cb_t *response_cb) | |
65efcfce | 2061 | { |
d62a17ae | 2062 | if (!is_valid_rfd(rfd)) |
2063 | return EBADF; | |
2064 | rfd->response_cb = response_cb; | |
2065 | return 0; | |
65efcfce LB |
2066 | } |
2067 | ||
2068 | /* | |
d62a17ae | 2069 | * rfapi_close_inner |
2070 | * | |
2071 | * Does almost all the work of rfapi_close, except: | |
2072 | * 1. preserves the descriptor (doesn't free it) | |
2073 | * 2. preserves the prefix query list (i.e., rfd->mon list) | |
2074 | * 3. preserves the advertised prefix list (rfd->advertised) | |
2075 | * 4. preserves the rib and rib_pending tables | |
2076 | * | |
2077 | * The purpose of organizing it this way is to support on-the-fly | |
2078 | * reassignment of an already-open nve to a new nve-group in the | |
2079 | * event that its original nve-group is administratively deleted. | |
2080 | */ | |
2081 | static int rfapi_close_inner(struct rfapi_descriptor *rfd, struct bgp *bgp) | |
2082 | { | |
2083 | int rc; | |
2084 | struct prefix pfx_vn; | |
2085 | struct prefix_rd prd; /* currently always 0 for VN->UN */ | |
2086 | ||
2087 | if (!is_valid_rfd(rfd)) | |
2088 | return EBADF; | |
2089 | ||
2090 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
2091 | assert(!rc); /* should never have bad AF in stored vn address */ | |
2092 | ||
2093 | /* | |
2094 | * update exported routes to reflect disappearance of this NVE as | |
2095 | * nexthop | |
2096 | */ | |
2097 | vnc_direct_bgp_del_nve(bgp, rfd); | |
2098 | vnc_zebra_del_nve(bgp, rfd); | |
2099 | ||
2100 | /* | |
2101 | * unlink this HD's monitors from import table | |
2102 | */ | |
2103 | rfapiMonitorDetachImportHd(rfd); | |
2104 | ||
2105 | /* | |
2106 | * Unlink from Import Table | |
2107 | * NB rfd->import_table will be NULL if we are closing a stale | |
2108 | * descriptor | |
2109 | */ | |
2110 | if (rfd->import_table) | |
2111 | rfapiImportTableRefDelByIt(bgp, rfd->import_table); | |
2112 | rfd->import_table = NULL; | |
2113 | ||
2114 | /* | |
2115 | * Construct route distinguisher | |
2116 | */ | |
2117 | memset(&prd, 0, sizeof(prd)); | |
2118 | prd = rfd->rd; | |
2119 | prd.family = AF_UNSPEC; | |
2120 | prd.prefixlen = 64; | |
2121 | ||
2122 | /* | |
2123 | * withdraw tunnel | |
2124 | */ | |
2125 | del_vnc_route(rfd, rfd->peer, bgp, SAFI_ENCAP, | |
2126 | &pfx_vn, /* prefix being advertised */ | |
2127 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2128 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, 0); /* no kill */ | |
2129 | ||
2130 | /* | |
2131 | * Construct route distinguisher for VPN routes | |
2132 | */ | |
2133 | prd = rfd->rd; | |
2134 | prd.family = AF_UNSPEC; | |
2135 | prd.prefixlen = 64; | |
2136 | ||
2137 | /* | |
2138 | * find all VPN routes associated with this rfd and delete them, too | |
2139 | */ | |
2140 | rfapiApWithdrawAll(bgp, rfd); | |
2141 | ||
2142 | /* | |
2143 | * remove this nve descriptor from the list of nves | |
2144 | * associated with the nve group | |
2145 | */ | |
2146 | if (rfd->rfg) { | |
2147 | listnode_delete(rfd->rfg->nves, rfd); | |
2148 | rfd->rfg = NULL; /* XXX mark as orphaned/stale */ | |
2149 | } | |
2150 | ||
2151 | if (rfd->rt_export_list) | |
2152 | ecommunity_free(&rfd->rt_export_list); | |
2153 | rfd->rt_export_list = NULL; | |
2154 | ||
2155 | /* | |
2156 | * free peer structure (possibly delayed until its | |
2157 | * refcount reaches zero) | |
2158 | */ | |
2159 | if (rfd->peer) { | |
2160 | vnc_zlog_debug_verbose("%s: calling peer_delete(%p), #%d", | |
2161 | __func__, rfd->peer, rfd->peer->lock); | |
2162 | peer_delete(rfd->peer); | |
2163 | } | |
2164 | rfd->peer = NULL; | |
2165 | ||
2166 | return 0; | |
65efcfce LB |
2167 | } |
2168 | ||
d62a17ae | 2169 | int rfapi_close(void *handle) |
65efcfce | 2170 | { |
d62a17ae | 2171 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2172 | int rc; | |
2173 | struct route_node *node; | |
2174 | struct bgp *bgp; | |
2175 | struct rfapi *h; | |
65efcfce | 2176 | |
d62a17ae | 2177 | vnc_zlog_debug_verbose("%s: rfd=%p", __func__, rfd); |
65efcfce LB |
2178 | |
2179 | #if RFAPI_WHO_IS_CALLING_ME | |
2180 | #ifdef HAVE_GLIBC_BACKTRACE | |
2181 | #define RFAPI_DEBUG_BACKTRACE_NENTRIES 5 | |
d62a17ae | 2182 | { |
2183 | void *buf[RFAPI_DEBUG_BACKTRACE_NENTRIES]; | |
2184 | char **syms; | |
2185 | int i; | |
2186 | size_t size; | |
2187 | ||
2188 | size = backtrace(buf, RFAPI_DEBUG_BACKTRACE_NENTRIES); | |
2189 | syms = backtrace_symbols(buf, size); | |
2190 | for (i = 0; i < size && i < RFAPI_DEBUG_BACKTRACE_NENTRIES; | |
2191 | ++i) { | |
2192 | vnc_zlog_debug_verbose("backtrace[%2d]: %s", i, | |
2193 | syms[i]); | |
2194 | } | |
2195 | free(syms); | |
2196 | } | |
65efcfce LB |
2197 | #endif |
2198 | #endif | |
2199 | ||
d62a17ae | 2200 | bgp = rfd->bgp; |
2201 | if (!bgp) | |
2202 | return ENXIO; | |
2203 | ||
2204 | h = bgp->rfapi; | |
2205 | if (!h) | |
2206 | return ENXIO; | |
2207 | ||
2208 | if (!is_valid_rfd(rfd)) | |
2209 | return EBADF; | |
2210 | ||
2211 | if (h->flags & RFAPI_INCALLBACK) { | |
2212 | /* | |
2213 | * Queue these close requests for processing after callback | |
2214 | * is finished | |
2215 | */ | |
2216 | if (!CHECK_FLAG(rfd->flags, | |
2217 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2218 | work_queue_add(h->deferred_close_q, handle); | |
2219 | vnc_zlog_debug_verbose( | |
2220 | "%s: added handle %p to deferred close queue", | |
2221 | __func__, handle); | |
2222 | } | |
2223 | return 0; | |
2224 | } | |
2225 | ||
2226 | if (CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2227 | ||
2228 | vnc_zlog_debug_verbose("%s administrative close rfd=%p", | |
2229 | __func__, rfd); | |
2230 | ||
2231 | if (h && h->rfp_methods.close_cb) { | |
2232 | vnc_zlog_debug_verbose( | |
2233 | "%s calling close callback rfd=%p", __func__, | |
2234 | rfd); | |
2235 | ||
2236 | /* | |
2237 | * call the callback fairly early so that it can still | |
2238 | * lookup un/vn | |
2239 | * from handle, etc. | |
2240 | * | |
2241 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2242 | * this point | |
2243 | * we are not already in the context of a callback. | |
2244 | */ | |
2245 | h->flags |= RFAPI_INCALLBACK; | |
2246 | (*h->rfp_methods.close_cb)(handle, EIDRM); | |
2247 | h->flags &= ~RFAPI_INCALLBACK; | |
2248 | } | |
2249 | } | |
2250 | ||
2251 | if (rfd->rfg) { | |
2252 | /* | |
2253 | * Orphaned descriptors have already done this part, so do | |
2254 | * only for non-orphaned descriptors. | |
2255 | */ | |
2256 | if ((rc = rfapi_close_inner(rfd, bgp))) | |
2257 | return rc; | |
2258 | } | |
2259 | ||
2260 | /* | |
2261 | * Remove descriptor from UN index | |
2262 | * (remove from chain at node) | |
2263 | */ | |
2264 | rc = rfapi_find_node(bgp, &rfd->vn_addr, &rfd->un_addr, &node); | |
2265 | if (!rc) { | |
2266 | struct rfapi_descriptor *hh; | |
2267 | ||
2268 | if (node->info == rfd) { | |
2269 | node->info = rfd->next; | |
2270 | } else { | |
2271 | ||
2272 | for (hh = node->info; hh; hh = hh->next) { | |
2273 | if (hh->next == rfd) { | |
2274 | hh->next = rfd->next; | |
2275 | break; | |
2276 | } | |
2277 | } | |
2278 | } | |
2279 | route_unlock_node(node); | |
2280 | } | |
2281 | ||
2282 | /* | |
2283 | * remove from descriptor list | |
2284 | */ | |
2285 | listnode_delete(&h->descriptors, rfd); | |
2286 | ||
2287 | /* | |
2288 | * Delete monitor list items and free monitor structures | |
2289 | */ | |
2290 | (void)rfapiMonitorDelHd(rfd); | |
2291 | ||
2292 | /* | |
2293 | * release advertised prefix data | |
2294 | */ | |
2295 | rfapiApRelease(&rfd->advertised); | |
2296 | ||
2297 | /* | |
2298 | * Release RFP callback RIB | |
2299 | */ | |
2300 | rfapiRibFree(rfd); | |
2301 | ||
2302 | /* | |
2303 | * free descriptor | |
2304 | */ | |
2305 | memset(rfd, 0, sizeof(struct rfapi_descriptor)); | |
2306 | XFREE(MTYPE_RFAPI_DESC, rfd); | |
2307 | ||
2308 | return 0; | |
65efcfce LB |
2309 | } |
2310 | ||
2311 | /* | |
2312 | * Reopen a nve descriptor. If the descriptor's NVE-group | |
2313 | * does not exist (e.g., if it has been administratively removed), | |
2314 | * reassignment to a new NVE-group is attempted. | |
2315 | * | |
2316 | * If NVE-group reassignment fails, the descriptor becomes "stale" | |
2317 | * (rfd->rfg == NULL implies "stale:). The only permissible API operation | |
2318 | * on a stale descriptor is rfapi_close(). Any other rfapi_* API operation | |
2319 | * on the descriptor will return ESTALE. | |
2320 | * | |
2321 | * Reopening a descriptor is a potentially expensive operation, because | |
2322 | * it involves withdrawing any routes advertised by the NVE, withdrawing | |
2323 | * the NVE's route queries, and then re-adding them all after a new | |
2324 | * NVE-group is assigned. There are also possible route-export affects | |
2325 | * caused by deleting and then adding the NVE: advertised prefixes | |
2326 | * and nexthop lists for exported routes can turn over. | |
2327 | */ | |
d62a17ae | 2328 | int rfapi_reopen(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 2329 | { |
d62a17ae | 2330 | struct rfapi *h; |
2331 | int rc; | |
2332 | ||
2333 | if ((rc = rfapi_close_inner(rfd, bgp))) { | |
2334 | return rc; | |
2335 | } | |
2336 | if ((rc = rfapi_open_rfd(rfd, bgp))) { | |
2337 | ||
2338 | h = bgp->rfapi; | |
2339 | ||
b575a12c | 2340 | assert(h != NULL && !CHECK_FLAG(h->flags, RFAPI_INCALLBACK)); |
d62a17ae | 2341 | |
2342 | if (CHECK_FLAG(rfd->flags, | |
2343 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY) | |
2344 | && h && h->rfp_methods.close_cb) { | |
2345 | ||
2346 | /* | |
2347 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2348 | * this point | |
2349 | * we are not already in the context of a callback. | |
2350 | */ | |
2351 | h->flags |= RFAPI_INCALLBACK; | |
2352 | (*h->rfp_methods.close_cb)((rfapi_handle)rfd, ESTALE); | |
2353 | h->flags &= ~RFAPI_INCALLBACK; | |
2354 | } | |
2355 | return rc; | |
2356 | } | |
2357 | return 0; | |
65efcfce LB |
2358 | } |
2359 | ||
2360 | /*********************************************************************** | |
2361 | * NVE Routes | |
2362 | ***********************************************************************/ | |
d62a17ae | 2363 | /* |
65efcfce LB |
2364 | * Announce reachability to this prefix via the NVE |
2365 | */ | |
d62a17ae | 2366 | int rfapi_register(void *handle, struct rfapi_ip_prefix *prefix, |
2367 | uint32_t lifetime, /* host byte order */ | |
2368 | struct rfapi_un_option *options_un, | |
2369 | struct rfapi_vn_option *options_vn, | |
2370 | rfapi_register_action action) | |
65efcfce | 2371 | { |
d62a17ae | 2372 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2373 | struct bgp *bgp; | |
2374 | struct prefix p; | |
2375 | struct prefix *pfx_ip = NULL; | |
2376 | struct prefix_rd prd; | |
e7038dde | 2377 | afi_t afi; |
d62a17ae | 2378 | struct prefix pfx_mac_buf; |
2379 | struct prefix *pfx_mac = NULL; | |
2380 | struct prefix pfx_vn_buf; | |
2381 | const char *action_str = NULL; | |
2382 | uint32_t *label = NULL; | |
2383 | struct rfapi_vn_option *vo; | |
2384 | struct rfapi_l2address_option *l2o = NULL; | |
2385 | struct prefix_rd *prd_override = NULL; | |
2386 | ||
2387 | switch (action) { | |
2388 | case RFAPI_REGISTER_ADD: | |
2389 | action_str = "add"; | |
2390 | break; | |
2391 | case RFAPI_REGISTER_WITHDRAW: | |
2392 | action_str = "withdraw"; | |
2393 | break; | |
2394 | case RFAPI_REGISTER_KILL: | |
2395 | action_str = "kill"; | |
2396 | break; | |
2397 | default: | |
2398 | assert(0); | |
2399 | break; | |
2400 | } | |
2401 | ||
2402 | /* | |
2403 | * Inspect VN options | |
2404 | */ | |
2405 | for (vo = options_vn; vo; vo = vo->next) { | |
2406 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { | |
2407 | l2o = &vo->v.l2addr; | |
2408 | } | |
2409 | if (RFAPI_VN_OPTION_TYPE_INTERNAL_RD == vo->type) { | |
2410 | prd_override = &vo->v.internal_rd; | |
2411 | } | |
2412 | } | |
2413 | ||
2414 | /********************************************************************* | |
2415 | * advertise prefix | |
2416 | *********************************************************************/ | |
2417 | ||
2418 | /* | |
2419 | * set <p> based on <prefix> | |
2420 | */ | |
2421 | assert(!rfapiRprefix2Qprefix(prefix, &p)); | |
2422 | ||
2423 | afi = family2afi(prefix->prefix.addr_family); | |
2424 | assert(afi); | |
2425 | ||
2426 | ||
2427 | { | |
872ed4c7 | 2428 | char buf[PREFIX_STRLEN]; |
d62a17ae | 2429 | |
872ed4c7 | 2430 | prefix2str(&p, buf, sizeof(buf)); |
d62a17ae | 2431 | vnc_zlog_debug_verbose( |
2432 | "%s(rfd=%p, pfx=%s, lifetime=%d, opts_un=%p, opts_vn=%p, action=%s)", | |
2433 | __func__, rfd, buf, lifetime, options_un, options_vn, | |
2434 | action_str); | |
2435 | } | |
2436 | ||
2437 | /* | |
2438 | * These tests come after the prefix conversion so that we can | |
2439 | * print the prefix in a debug message before failing | |
2440 | */ | |
2441 | ||
2442 | bgp = rfd->bgp; | |
2443 | if (!bgp) { | |
2444 | vnc_zlog_debug_verbose("%s: no BGP instance: returning ENXIO", | |
2445 | __func__); | |
2446 | return ENXIO; | |
2447 | } | |
2448 | if (!bgp->rfapi) { | |
2449 | vnc_zlog_debug_verbose("%s: no RFAPI instance: returning ENXIO", | |
2450 | __func__); | |
2451 | return ENXIO; | |
2452 | } | |
2453 | if (!rfd->rfg) { | |
2454 | if (RFAPI_REGISTER_ADD == action) { | |
2455 | ++bgp->rfapi->stat.count_registrations_failed; | |
2456 | } | |
2457 | vnc_zlog_debug_verbose( | |
2458 | "%s: rfd=%p, no RF GRP instance: returning ESTALE", | |
2459 | __func__, rfd); | |
2460 | return ESTALE; | |
2461 | } | |
2462 | ||
2463 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
2464 | if (RFAPI_REGISTER_ADD == action) { | |
2465 | ++bgp->rfapi->stat.count_registrations_failed; | |
2466 | } | |
2467 | vnc_zlog_debug_verbose("%s: in callback: returning EDEADLK", | |
2468 | __func__); | |
2469 | return EDEADLK; | |
2470 | } | |
2471 | ||
2472 | if (!is_valid_rfd(rfd)) { | |
2473 | if (RFAPI_REGISTER_ADD == action) { | |
2474 | ++bgp->rfapi->stat.count_registrations_failed; | |
2475 | } | |
2476 | vnc_zlog_debug_verbose("%s: invalid handle: returning EBADF", | |
2477 | __func__); | |
2478 | return EBADF; | |
2479 | } | |
2480 | ||
2481 | /* | |
2482 | * Is there a MAC address in this registration? | |
2483 | */ | |
2484 | if (l2o && !RFAPI_0_ETHERADDR(&l2o->macaddr)) { | |
2485 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2486 | pfx_mac = &pfx_mac_buf; | |
2487 | } | |
2488 | ||
2489 | /* | |
2490 | * Is there an IP prefix in this registration? | |
2491 | */ | |
2492 | if (!(RFAPI_0_PREFIX(&p) && RFAPI_HOST_PREFIX(&p))) { | |
2493 | pfx_ip = &p; | |
2494 | } else { | |
2495 | if (!pfx_mac) { | |
2496 | vnc_zlog_debug_verbose( | |
2497 | "%s: missing mac addr that is required for host 0 pfx", | |
2498 | __func__); | |
2499 | if (RFAPI_REGISTER_ADD == action) { | |
2500 | ++bgp->rfapi->stat.count_registrations_failed; | |
2501 | } | |
2502 | return EINVAL; | |
2503 | } | |
2504 | if (rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn_buf)) { | |
2505 | vnc_zlog_debug_verbose( | |
2506 | "%s: handle has bad vn_addr: returning EBADF", | |
2507 | __func__); | |
2508 | if (RFAPI_REGISTER_ADD == action) { | |
2509 | ++bgp->rfapi->stat.count_registrations_failed; | |
2510 | } | |
2511 | return EBADF; | |
2512 | } | |
2513 | } | |
2514 | ||
2515 | if (RFAPI_REGISTER_ADD == action) { | |
2516 | ++bgp->rfapi->stat.count_registrations; | |
2517 | } | |
2518 | ||
2519 | /* | |
2520 | * Figure out if this registration is missing an IP address | |
2521 | * | |
2522 | * MAC-addr based: | |
2523 | * | |
2524 | * In RFAPI, we use prefixes in family AF_LINK to store | |
2525 | * the MAC addresses. These prefixes are used for the | |
2526 | * list of advertised prefixes and in the RFAPI import | |
2527 | * tables. | |
2528 | * | |
2529 | * In BGP proper, we use the prefix matching the NVE's | |
2530 | * VN address with a host prefix-length (i.e., 32 or 128). | |
2531 | * | |
2532 | */ | |
2533 | if (l2o && l2o->logical_net_id && RFAPI_0_PREFIX(&p) | |
2534 | && RFAPI_HOST_PREFIX(&p)) { | |
2535 | ||
2536 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2537 | pfx_mac = &pfx_mac_buf; | |
2538 | } | |
2539 | ||
2540 | /* | |
2541 | * Construct route distinguisher | |
2542 | */ | |
2543 | if (prd_override) { | |
2544 | prd = *prd_override; | |
2545 | } else { | |
2546 | memset(&prd, 0, sizeof(prd)); | |
2547 | if (pfx_mac) { | |
2548 | prd.family = AF_UNSPEC; | |
2549 | prd.prefixlen = 64; | |
2550 | encode_rd_type(RD_TYPE_VNC_ETH, prd.val); | |
2551 | if (l2o->local_nve_id | |
2552 | || !(rfd->rfg->flags & RFAPI_RFG_L2RD)) { | |
2553 | /* | |
2554 | * If Local NVE ID is specified in message, use | |
2555 | * it. | |
2556 | * (if no local default configured, also use it | |
2557 | * even if 0) | |
2558 | */ | |
2559 | prd.val[1] = l2o->local_nve_id; | |
2560 | } else { | |
2561 | if (rfd->rfg->l2rd) { | |
2562 | /* | |
2563 | * locally-configured literal value | |
2564 | */ | |
2565 | prd.val[1] = rfd->rfg->l2rd; | |
2566 | } else { | |
2567 | /* | |
2568 | * 0 means auto:vn, which means use LSB | |
2569 | * of VN addr | |
2570 | */ | |
2571 | if (rfd->vn_addr.addr_family | |
2572 | == AF_INET) { | |
2573 | prd.val[1] = | |
2574 | *(((char *)&rfd->vn_addr | |
2575 | .addr.v4 | |
2576 | .s_addr) | |
2577 | + 3); | |
2578 | } else { | |
2579 | prd.val[1] = | |
2580 | *(((char *)&rfd->vn_addr | |
2581 | .addr.v6 | |
2582 | .s6_addr) | |
2583 | + 15); | |
2584 | } | |
2585 | } | |
2586 | } | |
2587 | memcpy(prd.val + 2, pfx_mac->u.prefix_eth.octet, 6); | |
2588 | } else { | |
2589 | prd = rfd->rd; | |
2590 | prd.family = AF_UNSPEC; | |
2591 | prd.prefixlen = 64; | |
2592 | } | |
2593 | } | |
2594 | ||
2595 | ||
2596 | if (action == RFAPI_REGISTER_WITHDRAW | |
2597 | || action == RFAPI_REGISTER_KILL) { | |
2598 | ||
2599 | int adv_tunnel = 0; | |
2600 | ||
2601 | /* | |
2602 | * withdraw previous advertisement | |
2603 | */ | |
2604 | del_vnc_route( | |
2605 | rfd, rfd->peer, bgp, SAFI_MPLS_VPN, | |
2606 | pfx_ip ? pfx_ip | |
2607 | : &pfx_vn_buf, /* prefix being advertised */ | |
2608 | &prd, /* route distinguisher (0 for ENCAP) */ | |
2609 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, | |
2610 | action == RFAPI_REGISTER_KILL); | |
2611 | ||
9d303b37 DL |
2612 | if (0 == rfapiApDelete(bgp, rfd, &p, pfx_mac, &prd, |
2613 | &adv_tunnel)) { | |
d62a17ae | 2614 | if (adv_tunnel) |
2615 | rfapiTunnelRouteAnnounce( | |
2616 | bgp, rfd, &rfd->max_prefix_lifetime); | |
2617 | } | |
2618 | ||
2619 | } else { | |
2620 | ||
2621 | int adv_tunnel = 0; | |
2622 | uint32_t local_pref; | |
2623 | struct ecommunity *rtlist = NULL; | |
2624 | struct ecommunity_val ecom_value; | |
2625 | ||
2626 | if (!rfapiApCount(rfd)) { | |
2627 | /* | |
2628 | * make sure we advertise tunnel route upon adding the | |
2629 | * first VPN route | |
2630 | */ | |
2631 | adv_tunnel = 1; | |
2632 | } | |
2633 | ||
2634 | if (rfapiApAdd(bgp, rfd, &p, pfx_mac, &prd, lifetime, | |
2635 | prefix->cost, l2o)) { | |
2636 | adv_tunnel = 1; | |
2637 | } | |
2638 | ||
2639 | vnc_zlog_debug_verbose("%s: adv_tunnel = %d", __func__, | |
2640 | adv_tunnel); | |
2641 | if (adv_tunnel) { | |
2642 | vnc_zlog_debug_verbose("%s: announcing tunnel route", | |
2643 | __func__); | |
2644 | rfapiTunnelRouteAnnounce(bgp, rfd, | |
2645 | &rfd->max_prefix_lifetime); | |
2646 | } | |
2647 | ||
2648 | vnc_zlog_debug_verbose("%s: calling add_vnc_route", __func__); | |
2649 | ||
2650 | local_pref = rfp_cost_to_localpref(prefix->cost); | |
2651 | ||
2652 | if (l2o && l2o->label) | |
2653 | label = &l2o->label; | |
2654 | ||
2655 | if (pfx_mac) { | |
2656 | struct ecommunity *l2com = NULL; | |
2657 | ||
2658 | if (label) { | |
2659 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
2660 | bgp, 1, l2o->logical_net_id, *label); | |
2661 | } | |
2662 | if (l2com) { | |
2663 | rtlist = ecommunity_dup(l2com); | |
2664 | } else { | |
2665 | /* | |
2666 | * If mac address is set, add an RT based on the | |
2667 | * registered LNI | |
2668 | */ | |
2669 | memset((char *)&ecom_value, 0, | |
2670 | sizeof(ecom_value)); | |
2671 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2672 | ecom_value.val[5] = | |
2673 | (l2o->logical_net_id >> 16) & 0xff; | |
2674 | ecom_value.val[6] = | |
2675 | (l2o->logical_net_id >> 8) & 0xff; | |
2676 | ecom_value.val[7] = | |
2677 | (l2o->logical_net_id >> 0) & 0xff; | |
2678 | rtlist = ecommunity_new(); | |
2679 | ecommunity_add_val(rtlist, &ecom_value); | |
2680 | } | |
2681 | if (l2o->tag_id) { | |
2682 | as_t as = bgp->as; | |
2683 | uint16_t val = l2o->tag_id; | |
2684 | memset((char *)&ecom_value, 0, | |
2685 | sizeof(ecom_value)); | |
2686 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2687 | if (as > BGP_AS_MAX) { | |
2688 | ecom_value.val[0] = | |
2689 | ECOMMUNITY_ENCODE_AS4; | |
2690 | ecom_value.val[2] = (as >> 24) & 0xff; | |
2691 | ecom_value.val[3] = (as >> 16) & 0xff; | |
2692 | ecom_value.val[4] = (as >> 8) & 0xff; | |
2693 | ecom_value.val[5] = as & 0xff; | |
2694 | } else { | |
2695 | ecom_value.val[0] = | |
2696 | ECOMMUNITY_ENCODE_AS; | |
2697 | ecom_value.val[2] = (as >> 8) & 0xff; | |
2698 | ecom_value.val[3] = as & 0xff; | |
2699 | } | |
2700 | ecom_value.val[6] = (val >> 8) & 0xff; | |
2701 | ecom_value.val[7] = val & 0xff; | |
2702 | if (rtlist == NULL) | |
2703 | rtlist = ecommunity_new(); | |
2704 | ecommunity_add_val(rtlist, &ecom_value); | |
2705 | } | |
2706 | } | |
2707 | ||
2708 | /* | |
2709 | * advertise prefix via tunnel endpoint | |
2710 | */ | |
2711 | add_vnc_route( | |
2712 | rfd, /* rfapi descr, for export list & backref */ | |
2713 | bgp, /* which bgp instance */ | |
2714 | SAFI_MPLS_VPN, /* which SAFI */ | |
2715 | (pfx_ip ? pfx_ip | |
2716 | : &pfx_vn_buf), /* prefix being advertised */ | |
2717 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2718 | &rfd->vn_addr, /* nexthop */ | |
2719 | &local_pref, | |
2720 | &lifetime, /* prefix lifetime -> Tunnel Encap attr */ | |
2721 | NULL, options_un, /* rfapi un options */ | |
2722 | options_vn, /* rfapi vn options */ | |
2723 | (rtlist ? rtlist : rfd->rt_export_list), NULL, /* med */ | |
2724 | label, /* label: default */ | |
2725 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
2726 | ||
2727 | if (rtlist) | |
2728 | ecommunity_free(&rtlist); /* sets rtlist = NULL */ | |
2729 | } | |
2730 | ||
2731 | vnc_zlog_debug_verbose("%s: success", __func__); | |
2732 | return 0; | |
65efcfce LB |
2733 | } |
2734 | ||
d62a17ae | 2735 | int rfapi_query(void *handle, struct rfapi_ip_addr *target, |
2736 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
2737 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 2738 | { |
d62a17ae | 2739 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2740 | struct bgp *bgp = rfd->bgp; | |
2741 | int rc; | |
2742 | ||
2743 | assert(ppNextHopEntry); | |
2744 | *ppNextHopEntry = NULL; | |
2745 | ||
2746 | if (bgp && bgp->rfapi) { | |
2747 | bgp->rfapi->stat.count_queries++; | |
2748 | } | |
2749 | ||
2750 | if (!rfd->rfg) { | |
2751 | if (bgp && bgp->rfapi) | |
2752 | ++bgp->rfapi->stat.count_queries_failed; | |
2753 | return ESTALE; | |
2754 | } | |
2755 | ||
2756 | if ((rc = rfapi_query_inner(handle, target, l2o, ppNextHopEntry))) { | |
2757 | if (bgp && bgp->rfapi) | |
2758 | ++bgp->rfapi->stat.count_queries_failed; | |
2759 | } | |
2760 | return rc; | |
65efcfce LB |
2761 | } |
2762 | ||
d62a17ae | 2763 | int rfapi_query_done(rfapi_handle handle, struct rfapi_ip_addr *target) |
65efcfce | 2764 | { |
d62a17ae | 2765 | struct prefix p; |
2766 | int rc; | |
2767 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; | |
2768 | struct bgp *bgp = rfd->bgp; | |
65efcfce | 2769 | |
d62a17ae | 2770 | if (!rfd->rfg) |
2771 | return ESTALE; | |
65efcfce | 2772 | |
d62a17ae | 2773 | assert(target); |
2774 | rc = rfapiRaddr2Qprefix(target, &p); | |
2775 | assert(!rc); | |
65efcfce | 2776 | |
d62a17ae | 2777 | if (!is_valid_rfd(rfd)) |
2778 | return EBADF; | |
65efcfce | 2779 | |
d62a17ae | 2780 | /* preemptive */ |
2781 | if (!bgp || !bgp->rfapi) | |
2782 | return ENXIO; | |
65efcfce | 2783 | |
d62a17ae | 2784 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) |
2785 | return EDEADLK; | |
65efcfce | 2786 | |
d62a17ae | 2787 | rfapiMonitorDel(bgp, rfd, &p); |
65efcfce | 2788 | |
d62a17ae | 2789 | return 0; |
65efcfce LB |
2790 | } |
2791 | ||
d62a17ae | 2792 | int rfapi_query_done_all(rfapi_handle handle, int *count) |
65efcfce | 2793 | { |
d62a17ae | 2794 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2795 | struct bgp *bgp = rfd->bgp; | |
2796 | ; | |
2797 | int num; | |
65efcfce | 2798 | |
d62a17ae | 2799 | if (!rfd->rfg) |
2800 | return ESTALE; | |
65efcfce | 2801 | |
d62a17ae | 2802 | if (!is_valid_rfd(rfd)) |
2803 | return EBADF; | |
65efcfce | 2804 | |
d62a17ae | 2805 | /* preemptive */ |
2806 | if (!bgp || !bgp->rfapi) | |
2807 | return ENXIO; | |
65efcfce | 2808 | |
d62a17ae | 2809 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) |
2810 | return EDEADLK; | |
65efcfce | 2811 | |
d62a17ae | 2812 | num = rfapiMonitorDelHd(rfd); |
65efcfce | 2813 | |
d62a17ae | 2814 | if (count) |
2815 | *count = num; | |
65efcfce | 2816 | |
d62a17ae | 2817 | return 0; |
65efcfce LB |
2818 | } |
2819 | ||
d62a17ae | 2820 | void rfapi_free_next_hop_list(struct rfapi_next_hop_entry *list) |
65efcfce | 2821 | { |
d62a17ae | 2822 | struct rfapi_next_hop_entry *nh; |
2823 | struct rfapi_next_hop_entry *next; | |
2824 | ||
2825 | for (nh = list; nh; nh = next) { | |
2826 | next = nh->next; | |
2827 | rfapi_un_options_free(nh->un_options); | |
2828 | nh->un_options = NULL; | |
2829 | rfapi_vn_options_free(nh->vn_options); | |
2830 | nh->vn_options = NULL; | |
2831 | XFREE(MTYPE_RFAPI_NEXTHOP, nh); | |
2832 | } | |
65efcfce LB |
2833 | } |
2834 | ||
2835 | /* | |
2836 | * NULL handle => return total count across all nves | |
2837 | */ | |
d62a17ae | 2838 | uint32_t rfapi_monitor_count(void *handle) |
65efcfce | 2839 | { |
d62a17ae | 2840 | struct bgp *bgp = bgp_get_default(); |
2841 | uint32_t count; | |
65efcfce | 2842 | |
d62a17ae | 2843 | if (handle) { |
2844 | struct rfapi_descriptor *rfd = | |
2845 | (struct rfapi_descriptor *)handle; | |
2846 | count = rfd->monitor_count; | |
2847 | } else { | |
65efcfce | 2848 | |
d62a17ae | 2849 | if (!bgp || !bgp->rfapi) |
2850 | return 0; | |
65efcfce | 2851 | |
d62a17ae | 2852 | count = bgp->rfapi->monitor_count; |
2853 | } | |
65efcfce | 2854 | |
d62a17ae | 2855 | return count; |
65efcfce LB |
2856 | } |
2857 | ||
2858 | /*********************************************************************** | |
2859 | * CLI/CONFIG | |
2860 | ***********************************************************************/ | |
2861 | ||
2862 | DEFUN (debug_rfapi_show_nves, | |
2863 | debug_rfapi_show_nves_cmd, | |
2864 | "debug rfapi-dev show nves", | |
2865 | DEBUG_STR | |
2866 | DEBUG_RFAPI_STR | |
2867 | SHOW_STR | |
2868 | "NVE Information\n") | |
2869 | { | |
d62a17ae | 2870 | rfapiPrintMatchingDescriptors(vty, NULL, NULL); |
2871 | return CMD_SUCCESS; | |
65efcfce LB |
2872 | } |
2873 | ||
2874 | DEFUN ( | |
2875 | debug_rfapi_show_nves_vn_un, | |
2876 | debug_rfapi_show_nves_vn_un_cmd, | |
034d2de2 | 2877 | "debug rfapi-dev show nves <vn|un> <A.B.C.D|X:X::X:X>", /* prefix also ok */ |
65efcfce LB |
2878 | DEBUG_STR |
2879 | DEBUG_RFAPI_STR | |
2880 | SHOW_STR | |
2881 | "NVE Information\n" | |
034d2de2 DS |
2882 | "Specify virtual network\n" |
2883 | "Specify underlay network interface\n" | |
2884 | "IPv4 address\n" | |
2885 | "IPv6 address\n") | |
65efcfce | 2886 | { |
d62a17ae | 2887 | struct prefix pfx; |
2888 | ||
2889 | if (!str2prefix(argv[5]->arg, &pfx)) { | |
2890 | vty_out(vty, "Malformed address \"%s\"\n", argv[5]->arg); | |
2891 | return CMD_WARNING_CONFIG_FAILED; | |
2892 | } | |
2893 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
2894 | vty_out(vty, "Invalid address \"%s\"\n", argv[5]->arg); | |
2895 | return CMD_WARNING_CONFIG_FAILED; | |
2896 | } | |
2897 | ||
2898 | if (argv[4]->arg[0] == 'u') { | |
2899 | rfapiPrintMatchingDescriptors(vty, NULL, &pfx); | |
2900 | } else { | |
2901 | rfapiPrintMatchingDescriptors(vty, &pfx, NULL); | |
2902 | } | |
2903 | return CMD_SUCCESS; | |
65efcfce LB |
2904 | } |
2905 | ||
2906 | /* | |
2907 | * Note: this function does not flush vty output, so if it is called | |
2908 | * with a stream pointing to a vty, the user will have to type something | |
2909 | * before the callback output shows up | |
2910 | */ | |
d62a17ae | 2911 | static void test_nexthops_callback( |
2912 | // struct rfapi_ip_addr *target, | |
2913 | struct rfapi_next_hop_entry *next_hops, void *userdata) | |
65efcfce | 2914 | { |
d62a17ae | 2915 | void *stream = userdata; |
65efcfce | 2916 | |
d62a17ae | 2917 | int (*fp)(void *, const char *, ...); |
2918 | struct vty *vty; | |
2919 | void *out; | |
2920 | const char *vty_newline; | |
65efcfce | 2921 | |
d62a17ae | 2922 | if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0) |
2923 | return; | |
65efcfce | 2924 | |
d62a17ae | 2925 | fp(out, "Nexthops Callback, Target=("); |
2926 | // rfapiPrintRfapiIpAddr(stream, target); | |
2927 | fp(out, ")\n"); | |
65efcfce | 2928 | |
d62a17ae | 2929 | rfapiPrintNhl(stream, next_hops); |
65efcfce | 2930 | |
d62a17ae | 2931 | rfapi_free_next_hop_list(next_hops); |
65efcfce LB |
2932 | } |
2933 | ||
2934 | DEFUN (debug_rfapi_open, | |
2935 | debug_rfapi_open_cmd, | |
034d2de2 | 2936 | "debug rfapi-dev open vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2937 | DEBUG_STR |
2938 | DEBUG_RFAPI_STR | |
2939 | "rfapi_open\n" | |
2940 | "indicate vn addr follows\n" | |
034d2de2 DS |
2941 | "virtual network interface IPv4 address\n" |
2942 | "virtual network interface IPv6 address\n" | |
2943 | "indicate xt addr follows\n" | |
2944 | "underlay network interface IPv4 address\n" | |
2945 | "underlay network interface IPv6 address\n") | |
65efcfce | 2946 | { |
d62a17ae | 2947 | struct rfapi_ip_addr vn; |
2948 | struct rfapi_ip_addr un; | |
2949 | uint32_t lifetime; | |
2950 | int rc; | |
2951 | rfapi_handle handle; | |
65efcfce | 2952 | |
d62a17ae | 2953 | /* |
2954 | * Get VN addr | |
2955 | */ | |
2956 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
2957 | return rc; | |
65efcfce | 2958 | |
d62a17ae | 2959 | /* |
2960 | * Get UN addr | |
2961 | */ | |
2962 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
2963 | return rc; | |
65efcfce | 2964 | |
d62a17ae | 2965 | rc = rfapi_open(rfapi_get_rfp_start_val_by_bgp(bgp_get_default()), &vn, |
2966 | &un, /*&uo */ NULL, &lifetime, NULL, &handle); | |
65efcfce | 2967 | |
d62a17ae | 2968 | vty_out(vty, "rfapi_open: status %d, handle %p, lifetime %d\n", rc, |
2969 | handle, lifetime); | |
65efcfce | 2970 | |
d62a17ae | 2971 | rc = rfapi_set_response_cb(handle, test_nexthops_callback); |
65efcfce | 2972 | |
d62a17ae | 2973 | vty_out(vty, "rfapi_set_response_cb: status %d\n", rc); |
65efcfce | 2974 | |
d62a17ae | 2975 | return CMD_SUCCESS; |
65efcfce LB |
2976 | } |
2977 | ||
2978 | ||
2979 | DEFUN (debug_rfapi_close_vn_un, | |
2980 | debug_rfapi_close_vn_un_cmd, | |
034d2de2 | 2981 | "debug rfapi-dev close vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2982 | DEBUG_STR |
2983 | DEBUG_RFAPI_STR | |
2984 | "rfapi_close\n" | |
2985 | "indicate vn addr follows\n" | |
034d2de2 DS |
2986 | "virtual network interface IPv4 address\n" |
2987 | "virtual network interface IPv6 address\n" | |
2988 | "indicate xt addr follows\n" | |
2989 | "underlay network interface IPv4 address\n" | |
2990 | "underlay network interface IPv6 address\n") | |
65efcfce | 2991 | { |
d62a17ae | 2992 | struct rfapi_ip_addr vn; |
2993 | struct rfapi_ip_addr un; | |
2994 | rfapi_handle handle; | |
2995 | int rc; | |
65efcfce | 2996 | |
d62a17ae | 2997 | /* |
2998 | * Get VN addr | |
2999 | */ | |
3000 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3001 | return rc; | |
65efcfce LB |
3002 | |
3003 | ||
d62a17ae | 3004 | /* |
3005 | * Get UN addr | |
3006 | */ | |
3007 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3008 | return rc; | |
65efcfce LB |
3009 | |
3010 | ||
d62a17ae | 3011 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
3012 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3013 | argv[4]->arg, argv[6]->arg); | |
3014 | return CMD_WARNING_CONFIG_FAILED; | |
3015 | } | |
65efcfce | 3016 | |
d62a17ae | 3017 | rc = rfapi_close(handle); |
65efcfce | 3018 | |
d62a17ae | 3019 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 3020 | |
d62a17ae | 3021 | return CMD_SUCCESS; |
65efcfce LB |
3022 | } |
3023 | ||
3024 | DEFUN (debug_rfapi_close_rfd, | |
3025 | debug_rfapi_close_rfd_cmd, | |
3026 | "debug rfapi-dev close rfd HANDLE", | |
3027 | DEBUG_STR | |
3028 | DEBUG_RFAPI_STR | |
3029 | "rfapi_close\n" | |
3030 | "indicate handle follows\n" "rfapi handle in hexadecimal\n") | |
3031 | { | |
d62a17ae | 3032 | rfapi_handle handle; |
3033 | int rc; | |
3034 | char *endptr = NULL; | |
65efcfce | 3035 | |
d62a17ae | 3036 | handle = (rfapi_handle)(uintptr_t)(strtoull(argv[4]->arg, &endptr, 16)); |
65efcfce | 3037 | |
d62a17ae | 3038 | if (*endptr != '\0' || (uintptr_t)handle == UINTPTR_MAX) { |
3039 | vty_out(vty, "Invalid value: %s\n", argv[4]->arg); | |
3040 | return CMD_WARNING_CONFIG_FAILED; | |
3041 | } | |
65efcfce | 3042 | |
d62a17ae | 3043 | rc = rfapi_close(handle); |
65efcfce | 3044 | |
d62a17ae | 3045 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 3046 | |
d62a17ae | 3047 | return CMD_SUCCESS; |
65efcfce LB |
3048 | } |
3049 | ||
3050 | DEFUN (debug_rfapi_register_vn_un, | |
3051 | debug_rfapi_register_vn_un_cmd, | |
034d2de2 | 3052 | "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 |
3053 | DEBUG_STR |
3054 | DEBUG_RFAPI_STR | |
3055 | "rfapi_register\n" | |
3056 | "indicate vn addr follows\n" | |
3057 | "virtual network IPv4 interface address\n" | |
3058 | "virtual network IPv6 interface address\n" | |
d62a17ae | 3059 | "indicate un addr follows\n" |
3060 | "underlay network IPv4 interface address\n" | |
3061 | "underlay network IPv6 interface address\n" | |
3062 | "indicate prefix follows\n" | |
3063 | "IPv4 prefix\n" | |
3064 | "IPv6 prefix\n" | |
3065 | "indicate lifetime follows\n" | |
3066 | "lifetime\n") | |
3067 | { | |
3068 | struct rfapi_ip_addr vn; | |
3069 | struct rfapi_ip_addr un; | |
3070 | rfapi_handle handle; | |
3071 | struct prefix pfx; | |
3072 | uint32_t lifetime; | |
3073 | struct rfapi_ip_prefix hpfx; | |
3074 | int rc; | |
3075 | ||
3076 | /* | |
3077 | * Get VN addr | |
3078 | */ | |
3079 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3080 | return rc; | |
3081 | ||
3082 | ||
3083 | /* | |
3084 | * Get UN addr | |
3085 | */ | |
3086 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3087 | return rc; | |
3088 | ||
3089 | ||
3090 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3091 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3092 | argv[4]->arg, argv[6]->arg); | |
3093 | return CMD_WARNING_CONFIG_FAILED; | |
3094 | } | |
3095 | ||
3096 | /* | |
3097 | * Get prefix to advertise | |
3098 | */ | |
3099 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3100 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3101 | return CMD_WARNING_CONFIG_FAILED; | |
3102 | } | |
3103 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3104 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3105 | return CMD_WARNING_CONFIG_FAILED; | |
3106 | } | |
3107 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3108 | ||
3109 | if (strmatch(argv[10]->text, "infinite")) { | |
3110 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3111 | } else { | |
3112 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3113 | } | |
3114 | ||
3115 | ||
3116 | rc = rfapi_register(handle, &hpfx, lifetime, NULL, NULL, 0); | |
3117 | if (rc) { | |
3118 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3119 | strerror(rc)); | |
3120 | } | |
3121 | ||
3122 | return CMD_SUCCESS; | |
65efcfce LB |
3123 | } |
3124 | ||
3125 | DEFUN (debug_rfapi_register_vn_un_l2o, | |
3126 | debug_rfapi_register_vn_un_l2o_cmd, | |
034d2de2 | 3127 | "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 |
3128 | DEBUG_STR |
3129 | DEBUG_RFAPI_STR | |
3130 | "rfapi_register\n" | |
3131 | "indicate vn addr follows\n" | |
3132 | "virtual network IPv4 interface address\n" | |
3133 | "virtual network IPv6 interface address\n" | |
3134 | "indicate un addr follows\n" | |
3135 | "underlay network IPv4 interface address\n" | |
3136 | "underlay network IPv6 interface address\n" | |
3137 | "indicate prefix follows\n" | |
3138 | "IPv4 prefix\n" | |
034d2de2 DS |
3139 | "IPv6 prefix\n" |
3140 | "indicate lifetime follows\n" | |
3141 | "Seconds of lifetime\n" | |
3142 | "indicate MAC address follows\n" | |
3143 | "MAC address\n" | |
3144 | "indicate lni follows\n" | |
3145 | "lni value range\n") | |
65efcfce | 3146 | { |
d62a17ae | 3147 | struct rfapi_ip_addr vn; |
3148 | struct rfapi_ip_addr un; | |
3149 | rfapi_handle handle; | |
3150 | struct prefix pfx; | |
3151 | uint32_t lifetime; | |
3152 | struct rfapi_ip_prefix hpfx; | |
3153 | int rc; | |
3154 | struct rfapi_vn_option optary[10]; /* XXX must be big enough */ | |
3155 | struct rfapi_vn_option *opt = NULL; | |
3156 | int opt_next = 0; | |
3157 | ||
3158 | /* | |
3159 | * Get VN addr | |
3160 | */ | |
3161 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3162 | return rc; | |
3163 | ||
3164 | ||
3165 | /* | |
3166 | * Get UN addr | |
3167 | */ | |
3168 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3169 | return rc; | |
3170 | ||
3171 | ||
3172 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3173 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3174 | argv[4]->arg, argv[6]->arg); | |
3175 | return CMD_WARNING_CONFIG_FAILED; | |
3176 | } | |
3177 | ||
3178 | /* | |
3179 | * Get prefix to advertise | |
3180 | */ | |
3181 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3182 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3183 | return CMD_WARNING_CONFIG_FAILED; | |
3184 | } | |
3185 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3186 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3187 | return CMD_WARNING_CONFIG_FAILED; | |
3188 | } | |
3189 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3190 | ||
3191 | if (strmatch(argv[10]->text, "infinite")) { | |
3192 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3193 | } else { | |
3194 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3195 | } | |
3196 | ||
3197 | /* L2 option parsing START */ | |
3198 | memset(optary, 0, sizeof(optary)); | |
3199 | optary[opt_next].v.l2addr.logical_net_id = | |
3200 | strtoul(argv[14]->arg, NULL, 10); | |
3f54c705 PM |
3201 | if (rfapiStr2EthAddr(argv[12]->arg, |
3202 | &optary[opt_next].v.l2addr.macaddr)) { | |
d62a17ae | 3203 | vty_out(vty, "Bad mac address \"%s\"\n", argv[12]->arg); |
3204 | return CMD_WARNING_CONFIG_FAILED; | |
3205 | } | |
3206 | optary[opt_next].type = RFAPI_VN_OPTION_TYPE_L2ADDR; | |
3207 | if (opt_next) { | |
3208 | optary[opt_next - 1].next = optary + opt_next; | |
3209 | } else { | |
3210 | opt = optary; | |
3211 | } | |
3212 | ++opt_next; | |
3213 | /* L2 option parsing END */ | |
3214 | ||
3215 | /* TBD fixme */ | |
3216 | rc = rfapi_register(handle, &hpfx, lifetime, NULL /* &uo */, opt, 0); | |
3217 | if (rc) { | |
3218 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3219 | strerror(rc)); | |
3220 | } | |
3221 | ||
3222 | return CMD_SUCCESS; | |
65efcfce LB |
3223 | } |
3224 | ||
3225 | ||
3226 | DEFUN (debug_rfapi_unregister_vn_un, | |
3227 | debug_rfapi_unregister_vn_un_cmd, | |
034d2de2 | 3228 | "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 |
3229 | DEBUG_STR |
3230 | DEBUG_RFAPI_STR | |
3231 | "rfapi_register\n" | |
3232 | "indicate vn addr follows\n" | |
3233 | "virtual network interface address\n" | |
3234 | "indicate xt addr follows\n" | |
3235 | "underlay network interface address\n" | |
3236 | "indicate prefix follows\n" "prefix") | |
3237 | { | |
d62a17ae | 3238 | struct rfapi_ip_addr vn; |
3239 | struct rfapi_ip_addr un; | |
3240 | rfapi_handle handle; | |
3241 | struct prefix pfx; | |
3242 | struct rfapi_ip_prefix hpfx; | |
3243 | int rc; | |
3244 | ||
3245 | /* | |
3246 | * Get VN addr | |
3247 | */ | |
3248 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3249 | return rc; | |
3250 | ||
3251 | ||
3252 | /* | |
3253 | * Get UN addr | |
3254 | */ | |
3255 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3256 | return rc; | |
3257 | ||
3258 | ||
3259 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3260 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3261 | argv[4]->arg, argv[6]->arg); | |
3262 | return CMD_WARNING_CONFIG_FAILED; | |
3263 | } | |
3264 | ||
3265 | /* | |
3266 | * Get prefix to advertise | |
3267 | */ | |
3268 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3269 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3270 | return CMD_WARNING_CONFIG_FAILED; | |
3271 | } | |
3272 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3273 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3274 | return CMD_WARNING_CONFIG_FAILED; | |
3275 | } | |
3276 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3277 | ||
3278 | rfapi_register(handle, &hpfx, 0, NULL, NULL, 1); | |
3279 | ||
3280 | return CMD_SUCCESS; | |
65efcfce LB |
3281 | } |
3282 | ||
3283 | DEFUN (debug_rfapi_query_vn_un, | |
3284 | debug_rfapi_query_vn_un_cmd, | |
034d2de2 | 3285 | "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 |
3286 | DEBUG_STR |
3287 | DEBUG_RFAPI_STR | |
3288 | "rfapi_query\n" | |
3289 | "indicate vn addr follows\n" | |
034d2de2 DS |
3290 | "virtual network interface IPv4 address\n" |
3291 | "virtual network interface IPv6 address\n" | |
3292 | "indicate un addr follows\n" | |
3293 | "IPv4 un address\n" | |
3294 | "IPv6 un address\n" | |
3295 | "indicate target follows\n" | |
3296 | "target IPv4 address\n" | |
3297 | "target IPv6 address\n") | |
65efcfce | 3298 | { |
d62a17ae | 3299 | struct rfapi_ip_addr vn; |
3300 | struct rfapi_ip_addr un; | |
3301 | struct rfapi_ip_addr target; | |
3302 | rfapi_handle handle; | |
3303 | int rc; | |
3304 | struct rfapi_next_hop_entry *pNextHopEntry; | |
3305 | ||
3306 | /* | |
3307 | * Get VN addr | |
3308 | */ | |
3309 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3310 | return rc; | |
3311 | ||
3312 | ||
3313 | /* | |
3314 | * Get UN addr | |
3315 | */ | |
3316 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3317 | return rc; | |
3318 | ||
3319 | ||
3320 | /* | |
3321 | * Get target addr | |
3322 | */ | |
3323 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[8]->arg, &target))) | |
3324 | return rc; | |
3325 | ||
3326 | ||
3327 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3328 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3329 | argv[4]->arg, argv[6]->arg); | |
3330 | return CMD_WARNING_CONFIG_FAILED; | |
3331 | } | |
3332 | ||
3333 | /* | |
3334 | * options parameter not used? Set to NULL for now | |
3335 | */ | |
3336 | rc = rfapi_query(handle, &target, NULL, &pNextHopEntry); | |
3337 | ||
3338 | if (rc) { | |
3339 | vty_out(vty, "rfapi_query failed with rc=%d (%s)\n", rc, | |
3340 | strerror(rc)); | |
3341 | } else { | |
3342 | /* | |
3343 | * print nexthop list | |
3344 | */ | |
3345 | test_nexthops_callback(/*&target, */ pNextHopEntry, | |
3346 | vty); /* frees nh list! */ | |
3347 | } | |
3348 | ||
3349 | return CMD_SUCCESS; | |
65efcfce LB |
3350 | } |
3351 | ||
3352 | ||
3353 | DEFUN (debug_rfapi_query_vn_un_l2o, | |
3354 | debug_rfapi_query_vn_un_l2o_cmd, | |
034d2de2 | 3355 | "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 |
3356 | DEBUG_STR |
3357 | DEBUG_RFAPI_STR | |
3358 | "rfapi_query\n" | |
3359 | "indicate vn addr follows\n" | |
034d2de2 DS |
3360 | "virtual network interface IPv4 address\n" |
3361 | "virtual network interface IPv6 address\n" | |
65efcfce | 3362 | "indicate xt addr follows\n" |
034d2de2 DS |
3363 | "underlay network interface IPv4 address\n" |
3364 | "underlay network interface IPv6 address\n" | |
65efcfce LB |
3365 | "logical network ID follows\n" |
3366 | "logical network ID\n" | |
034d2de2 DS |
3367 | "indicate target MAC addr follows\n" |
3368 | "target MAC addr\n") | |
65efcfce | 3369 | { |
d62a17ae | 3370 | struct rfapi_ip_addr vn; |
3371 | struct rfapi_ip_addr un; | |
d62a17ae | 3372 | int rc; |
d62a17ae | 3373 | |
3374 | /* | |
3375 | * Get VN addr | |
3376 | */ | |
3377 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3378 | return rc; | |
3379 | ||
3380 | ||
3381 | /* | |
3382 | * Get UN addr | |
3383 | */ | |
3384 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3385 | return rc; | |
65efcfce | 3386 | |
d62a17ae | 3387 | vty_out(vty, "%% This command is broken.\n"); |
3388 | return CMD_WARNING_CONFIG_FAILED; | |
65efcfce LB |
3389 | } |
3390 | ||
3391 | ||
3392 | DEFUN (debug_rfapi_query_done_vn_un, | |
3393 | debug_rfapi_query_vn_un_done_cmd, | |
034d2de2 | 3394 | "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 |
3395 | DEBUG_STR |
3396 | DEBUG_RFAPI_STR | |
3397 | "rfapi_query_done\n" | |
034d2de2 | 3398 | "rfapi_query_done\n" |
65efcfce | 3399 | "indicate vn addr follows\n" |
034d2de2 DS |
3400 | "virtual network interface IPv4 address\n" |
3401 | "virtual network interface IPv6 address\n" | |
65efcfce | 3402 | "indicate xt addr follows\n" |
034d2de2 DS |
3403 | "underlay network interface IPv4 address\n" |
3404 | "underlay network interface IPv6 address\n" | |
3405 | "indicate target follows\n" | |
3406 | "Target IPv4 address\n" | |
3407 | "Target IPv6 address\n") | |
65efcfce | 3408 | { |
d62a17ae | 3409 | struct rfapi_ip_addr vn; |
3410 | struct rfapi_ip_addr un; | |
3411 | struct rfapi_ip_addr target; | |
3412 | rfapi_handle handle; | |
3413 | int rc; | |
65efcfce | 3414 | |
d62a17ae | 3415 | /* |
3416 | * Get VN addr | |
3417 | */ | |
3418 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3419 | return rc; | |
65efcfce LB |
3420 | |
3421 | ||
d62a17ae | 3422 | /* |
3423 | * Get UN addr | |
3424 | */ | |
3425 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3426 | return rc; | |
65efcfce LB |
3427 | |
3428 | ||
d62a17ae | 3429 | /* |
3430 | * Get target addr | |
3431 | */ | |
3432 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[9]->arg, &target))) | |
3433 | return rc; | |
65efcfce LB |
3434 | |
3435 | ||
d62a17ae | 3436 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
3437 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3438 | argv[5]->arg, argv[7]->arg); | |
3439 | return CMD_WARNING_CONFIG_FAILED; | |
3440 | } | |
65efcfce | 3441 | |
d62a17ae | 3442 | /* |
3443 | * options parameter not used? Set to NULL for now | |
3444 | */ | |
3445 | rc = rfapi_query_done(handle, &target); | |
65efcfce | 3446 | |
d62a17ae | 3447 | vty_out(vty, "rfapi_query_done returned %d\n", rc); |
65efcfce | 3448 | |
d62a17ae | 3449 | return CMD_SUCCESS; |
65efcfce LB |
3450 | } |
3451 | ||
3452 | DEFUN (debug_rfapi_show_import, | |
3453 | debug_rfapi_show_import_cmd, | |
3454 | "debug rfapi-dev show import", | |
3455 | DEBUG_STR | |
3456 | DEBUG_RFAPI_STR | |
3457 | SHOW_STR | |
3458 | "import\n") | |
3459 | { | |
d62a17ae | 3460 | struct bgp *bgp; |
3461 | struct rfapi *h; | |
3462 | struct rfapi_import_table *it; | |
3463 | char *s; | |
3464 | int first_l2 = 1; | |
3465 | ||
3466 | /* | |
3467 | * Show all import tables | |
3468 | */ | |
3469 | ||
3470 | bgp = bgp_get_default(); /* assume 1 instance for now */ | |
3471 | if (!bgp) { | |
3472 | vty_out(vty, "No BGP instance\n"); | |
3473 | return CMD_WARNING_CONFIG_FAILED; | |
3474 | } | |
3475 | ||
3476 | h = bgp->rfapi; | |
3477 | if (!h) { | |
3478 | vty_out(vty, "No RFAPI instance\n"); | |
3479 | return CMD_WARNING_CONFIG_FAILED; | |
3480 | } | |
3481 | ||
3482 | /* | |
3483 | * Iterate over all import tables; do a filtered import | |
3484 | * for the afi/safi combination | |
3485 | */ | |
3486 | ||
3487 | ||
3488 | for (it = h->imports; it; it = it->next) { | |
3489 | s = ecommunity_ecom2str(it->rt_import_list, | |
3490 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
3491 | vty_out(vty, "Import Table %p, RTs: %s\n", it, s); | |
3492 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
3493 | ||
3494 | rfapiShowImportTable(vty, "IP VPN", it->imported_vpn[AFI_IP], | |
3495 | 1); | |
3496 | rfapiShowImportTable(vty, "IP ENCAP", | |
3497 | it->imported_encap[AFI_IP], 0); | |
3498 | rfapiShowImportTable(vty, "IP6 VPN", it->imported_vpn[AFI_IP6], | |
3499 | 1); | |
3500 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3501 | it->imported_encap[AFI_IP6], 0); | |
3502 | } | |
3503 | ||
3504 | if (h->import_mac) { | |
3505 | void *cursor = NULL; | |
3506 | uint32_t lni; | |
3507 | uintptr_t lni_as_ptr; | |
3508 | int rc; | |
3509 | char buf[BUFSIZ]; | |
3510 | ||
3511 | for (rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3512 | (void **)&it, &cursor); | |
3513 | !rc; | |
3514 | rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3515 | (void **)&it, &cursor)) { | |
3516 | ||
3517 | if (it->imported_vpn[AFI_L2VPN]) { | |
3518 | lni = lni_as_ptr; | |
3519 | if (first_l2) { | |
3520 | vty_out(vty, | |
3521 | "\nLNI-based Ethernet Tables:\n"); | |
3522 | first_l2 = 0; | |
3523 | } | |
3524 | snprintf(buf, BUFSIZ, "L2VPN LNI=%u", lni); | |
3525 | rfapiShowImportTable( | |
3526 | vty, buf, it->imported_vpn[AFI_L2VPN], | |
3527 | 1); | |
3528 | } | |
3529 | } | |
3530 | } | |
3531 | ||
3532 | rfapiShowImportTable(vty, "CE IT - IP VPN", | |
3533 | h->it_ce->imported_vpn[AFI_IP], 1); | |
3534 | ||
3535 | return CMD_SUCCESS; | |
65efcfce LB |
3536 | } |
3537 | ||
3538 | DEFUN (debug_rfapi_show_import_vn_un, | |
3539 | debug_rfapi_show_import_vn_un_cmd, | |
034d2de2 | 3540 | "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 |
3541 | DEBUG_STR |
3542 | DEBUG_RFAPI_STR | |
3543 | SHOW_STR | |
3544 | "import\n" | |
3545 | "indicate vn addr follows\n" | |
034d2de2 DS |
3546 | "virtual network interface IPv4 address\n" |
3547 | "virtual network interface IPv6 address\n" | |
3548 | "indicate xt addr follows\n" | |
3549 | "underlay network interface IPv4 address\n" | |
3550 | "underlay network interface IPv6 address\n") | |
65efcfce | 3551 | { |
d62a17ae | 3552 | struct rfapi_ip_addr vn; |
3553 | struct rfapi_ip_addr un; | |
3554 | rfapi_handle handle; | |
3555 | int rc; | |
3556 | struct rfapi_descriptor *rfd; | |
3557 | ||
3558 | /* | |
3559 | * Get VN addr | |
3560 | */ | |
3561 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3562 | return rc; | |
3563 | ||
3564 | ||
3565 | /* | |
3566 | * Get UN addr | |
3567 | */ | |
3568 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3569 | return rc; | |
3570 | ||
3571 | ||
3572 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3573 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3574 | argv[5]->arg, argv[7]->arg); | |
3575 | return CMD_WARNING_CONFIG_FAILED; | |
3576 | } | |
3577 | ||
3578 | rfd = (struct rfapi_descriptor *)handle; | |
3579 | ||
3580 | rfapiShowImportTable(vty, "IP VPN", | |
3581 | rfd->import_table->imported_vpn[AFI_IP], 1); | |
3582 | rfapiShowImportTable(vty, "IP ENCAP", | |
3583 | rfd->import_table->imported_encap[AFI_IP], 0); | |
3584 | rfapiShowImportTable(vty, "IP6 VPN", | |
3585 | rfd->import_table->imported_vpn[AFI_IP6], 1); | |
3586 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3587 | rfd->import_table->imported_encap[AFI_IP6], 0); | |
3588 | ||
3589 | return CMD_SUCCESS; | |
65efcfce LB |
3590 | } |
3591 | ||
3592 | DEFUN (debug_rfapi_response_omit_self, | |
3593 | debug_rfapi_response_omit_self_cmd, | |
034d2de2 | 3594 | "debug rfapi-dev response-omit-self <on|off>", |
65efcfce LB |
3595 | DEBUG_STR |
3596 | DEBUG_RFAPI_STR | |
3597 | "Omit self in RFP responses\n" | |
3598 | "filter out self from responses\n" "leave self in responses\n") | |
3599 | { | |
d62a17ae | 3600 | struct bgp *bgp = bgp_get_default(); |
3601 | ||
3602 | if (!bgp) { | |
3603 | vty_out(vty, "No BGP process is configured\n"); | |
3604 | return CMD_WARNING_CONFIG_FAILED; | |
3605 | } | |
3606 | if (!bgp->rfapi_cfg) { | |
3607 | vty_out(vty, "VNC not configured\n"); | |
3608 | return CMD_WARNING_CONFIG_FAILED; | |
3609 | } | |
3610 | ||
3611 | if (strmatch(argv[3]->text, "on")) | |
3612 | SET_FLAG(bgp->rfapi_cfg->flags, | |
3613 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3614 | else | |
3615 | UNSET_FLAG(bgp->rfapi_cfg->flags, | |
3616 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3617 | ||
3618 | return CMD_SUCCESS; | |
65efcfce LB |
3619 | } |
3620 | ||
3621 | ||
3622 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
3623 | ||
f8b6f499 | 3624 | #include "lib/skiplist.h" |
65efcfce LB |
3625 | DEFUN (skiplist_test_cli, |
3626 | skiplist_test_cli_cmd, | |
3627 | "skiplist test", | |
3628 | "skiplist command\n" | |
3629 | "test\n") | |
3630 | { | |
d62a17ae | 3631 | skiplist_test(vty); |
65efcfce | 3632 | |
d62a17ae | 3633 | return CMD_SUCCESS; |
65efcfce LB |
3634 | } |
3635 | ||
3636 | DEFUN (skiplist_debug_cli, | |
3637 | skiplist_debug_cli_cmd, | |
3638 | "skiplist debug", | |
3639 | "skiplist command\n" | |
3640 | "debug\n") | |
3641 | { | |
d62a17ae | 3642 | skiplist_debug(vty, NULL); |
3643 | return CMD_SUCCESS; | |
65efcfce LB |
3644 | } |
3645 | ||
3646 | #endif /* RFAPI_DEBUG_SKIPLIST_CLI */ | |
3647 | ||
d62a17ae | 3648 | void rfapi_init(void) |
65efcfce | 3649 | { |
d62a17ae | 3650 | bgp_rfapi_cfg_init(); |
3651 | vnc_debug_init(); | |
65efcfce | 3652 | |
d62a17ae | 3653 | install_element(ENABLE_NODE, &debug_rfapi_show_import_cmd); |
3654 | install_element(ENABLE_NODE, &debug_rfapi_show_import_vn_un_cmd); | |
65efcfce | 3655 | |
d62a17ae | 3656 | install_element(ENABLE_NODE, &debug_rfapi_open_cmd); |
3657 | install_element(ENABLE_NODE, &debug_rfapi_close_vn_un_cmd); | |
3658 | install_element(ENABLE_NODE, &debug_rfapi_close_rfd_cmd); | |
3659 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_cmd); | |
3660 | install_element(ENABLE_NODE, &debug_rfapi_unregister_vn_un_cmd); | |
3661 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_cmd); | |
3662 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_done_cmd); | |
3663 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_l2o_cmd); | |
65efcfce | 3664 | |
d62a17ae | 3665 | install_element(ENABLE_NODE, &debug_rfapi_response_omit_self_cmd); |
65efcfce | 3666 | |
d62a17ae | 3667 | /* Need the following show commands for gpz test scripts */ |
3668 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_cmd); | |
3669 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_vn_un_cmd); | |
3670 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_l2o_cmd); | |
65efcfce LB |
3671 | |
3672 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
d62a17ae | 3673 | install_element(ENABLE_NODE, &skiplist_test_cli_cmd); |
3674 | install_element(ENABLE_NODE, &skiplist_debug_cli_cmd); | |
65efcfce LB |
3675 | #endif |
3676 | ||
d62a17ae | 3677 | rfapi_vty_init(); |
65efcfce LB |
3678 | } |
3679 | ||
3680 | #ifdef DEBUG_RFAPI | |
d62a17ae | 3681 | static void rfapi_print_exported(struct bgp *bgp) |
65efcfce | 3682 | { |
d62a17ae | 3683 | struct bgp_node *rdn; |
3684 | struct bgp_node *rn; | |
3685 | struct bgp_info *bi; | |
3686 | ||
3687 | if (!bgp) | |
3688 | return; | |
3689 | ||
3690 | for (rdn = bgp_table_top(bgp->rib[AFI_IP][SAFI_MPLS_VPN]); rdn; | |
3691 | rdn = bgp_route_next(rdn)) { | |
3692 | if (!rdn->info) | |
3693 | continue; | |
3694 | fprintf(stderr, "%s: vpn rdn=%p\n", __func__, rdn); | |
3695 | for (rn = bgp_table_top(rdn->info); rn; | |
3696 | rn = bgp_route_next(rn)) { | |
3697 | if (!rn->info) | |
3698 | continue; | |
3699 | fprintf(stderr, "%s: rn=%p\n", __func__, rn); | |
3700 | for (bi = rn->info; bi; bi = bi->next) { | |
3701 | rfapiPrintBi((void *)2, bi); /* 2 => stderr */ | |
3702 | } | |
3703 | } | |
3704 | } | |
3705 | for (rdn = bgp_table_top(bgp->rib[AFI_IP][SAFI_ENCAP]); rdn; | |
3706 | rdn = bgp_route_next(rdn)) { | |
3707 | if (!rdn->info) | |
3708 | continue; | |
3709 | fprintf(stderr, "%s: encap rdn=%p\n", __func__, rdn); | |
3710 | for (rn = bgp_table_top(rdn->info); rn; | |
3711 | rn = bgp_route_next(rn)) { | |
3712 | if (!rn->info) | |
3713 | continue; | |
3714 | fprintf(stderr, "%s: rn=%p\n", __func__, rn); | |
3715 | for (bi = rn->info; bi; bi = bi->next) { | |
3716 | rfapiPrintBi((void *)2, bi); /* 2 => stderr */ | |
3717 | } | |
3718 | } | |
3719 | } | |
65efcfce LB |
3720 | } |
3721 | #endif /* defined(DEBUG_RFAPI) */ | |
3722 | ||
3723 | /* | |
3724 | * Free all memory to prepare for clean exit as seen by valgrind memcheck | |
3725 | */ | |
d62a17ae | 3726 | void rfapi_delete(struct bgp *bgp) |
65efcfce | 3727 | { |
d62a17ae | 3728 | extern void rfp_clear_vnc_nve_all(void); /* can't fix correctly yet */ |
3729 | ||
3730 | /* | |
3731 | * This clears queries and registered routes, and closes nves | |
3732 | */ | |
3733 | if (bgp->rfapi) | |
3734 | rfp_clear_vnc_nve_all(); | |
3735 | bgp_rfapi_cfg_destroy(bgp, bgp->rfapi_cfg); | |
3736 | bgp->rfapi_cfg = NULL; | |
3737 | bgp_rfapi_destroy(bgp, bgp->rfapi); | |
3738 | bgp->rfapi = NULL; | |
65efcfce | 3739 | #ifdef DEBUG_RFAPI |
d62a17ae | 3740 | /* |
3741 | * show what's left in the BGP MPLSVPN RIB | |
3742 | */ | |
3743 | rfapi_print_exported(bgp); | |
65efcfce | 3744 | #endif |
65efcfce LB |
3745 | } |
3746 | ||
d62a17ae | 3747 | int rfapi_set_autord_from_vn(struct prefix_rd *rd, struct rfapi_ip_addr *vn) |
65efcfce | 3748 | { |
d62a17ae | 3749 | vnc_zlog_debug_verbose("%s: auto-assigning RD", __func__); |
3750 | if (vn->addr_family != AF_INET && vn->addr_family != AF_INET6) { | |
3751 | vnc_zlog_debug_verbose( | |
3752 | "%s: can't auto-assign RD, VN addr family is not IPv4" | |
3753 | "|v6", | |
3754 | __func__); | |
3755 | return EAFNOSUPPORT; | |
3756 | } | |
3757 | rd->family = AF_UNSPEC; | |
3758 | rd->prefixlen = 64; | |
3759 | rd->val[1] = RD_TYPE_IP; | |
3760 | if (vn->addr_family == AF_INET) { | |
3761 | memcpy(rd->val + 2, &vn->addr.v4.s_addr, 4); | |
3762 | } else { /* is v6 */ | |
3763 | memcpy(rd->val + 2, &vn->addr.v6.s6_addr32[3], | |
3764 | 4); /* low order 4 bytes */ | |
3765 | } | |
3766 | { | |
06b9f471 DS |
3767 | char buf[RD_ADDRSTRLEN]; |
3768 | ||
d62a17ae | 3769 | vnc_zlog_debug_verbose("%s: auto-RD is set to %s", __func__, |
06b9f471 | 3770 | prefix_rd2str(rd, buf, sizeof(buf))); |
d62a17ae | 3771 | } |
3772 | return 0; | |
65efcfce LB |
3773 | } |
3774 | ||
3775 | /*------------------------------------------ | |
3776 | * rfapi_bgp_lookup_by_rfp | |
3777 | * | |
3778 | * Find bgp instance pointer based on value returned by rfp_start | |
3779 | * | |
d62a17ae | 3780 | * input: |
65efcfce LB |
3781 | * rfp_start_val value returned by rfp_startor |
3782 | * NULL (=get default instance) | |
3783 | * | |
3784 | * output: | |
3785 | * none | |
3786 | * | |
3787 | * return value: | |
3788 | * bgp bgp instance pointer | |
3789 | * NULL = not found | |
3790 | * | |
3791 | --------------------------------------------*/ | |
d62a17ae | 3792 | struct bgp *rfapi_bgp_lookup_by_rfp(void *rfp_start_val) |
65efcfce | 3793 | { |
d62a17ae | 3794 | struct bgp *bgp = NULL; |
3795 | struct listnode *node, *nnode; | |
3796 | ||
3797 | if (rfp_start_val == NULL) | |
3798 | bgp = bgp_get_default(); | |
3799 | else | |
3800 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) | |
3801 | if (bgp->rfapi != NULL | |
3802 | && bgp->rfapi->rfp == rfp_start_val) | |
3803 | return bgp; | |
3804 | return bgp; | |
65efcfce LB |
3805 | } |
3806 | ||
3807 | /*------------------------------------------ | |
3808 | * rfapi_get_rfp_start_val_by_bgp | |
3809 | * | |
3810 | * Find bgp instance pointer based on value returned by rfp_start | |
3811 | * | |
d62a17ae | 3812 | * input: |
65efcfce LB |
3813 | * bgp bgp instance pointer |
3814 | * | |
3815 | * output: | |
3816 | * none | |
3817 | * | |
3818 | * return value: | |
3819 | * rfp_start_val | |
3820 | * NULL = not found | |
3821 | * | |
3822 | --------------------------------------------*/ | |
d62a17ae | 3823 | void *rfapi_get_rfp_start_val_by_bgp(struct bgp *bgp) |
65efcfce | 3824 | { |
d62a17ae | 3825 | if (!bgp || !bgp->rfapi) |
3826 | return NULL; | |
3827 | return bgp->rfapi->rfp; | |
65efcfce LB |
3828 | } |
3829 | ||
3830 | /*********************************************************************** | |
3831 | * RFP group specific configuration | |
3832 | ***********************************************************************/ | |
d62a17ae | 3833 | static void *rfapi_rfp_get_or_init_group_config_default(struct rfapi_cfg *rfc, |
3834 | struct vty *vty, | |
3835 | uint32_t size) | |
65efcfce | 3836 | { |
d62a17ae | 3837 | if (rfc->default_rfp_cfg == NULL && size > 0) { |
3838 | rfc->default_rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3839 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3840 | size); | |
3841 | } | |
3842 | return rfc->default_rfp_cfg; | |
65efcfce LB |
3843 | } |
3844 | ||
d62a17ae | 3845 | static void *rfapi_rfp_get_or_init_group_config_nve(struct rfapi_cfg *rfc, |
3846 | struct vty *vty, | |
3847 | uint32_t size) | |
65efcfce | 3848 | { |
d62a17ae | 3849 | struct rfapi_nve_group_cfg *rfg = |
3850 | VTY_GET_CONTEXT_SUB(rfapi_nve_group_cfg); | |
3851 | ||
3852 | /* make sure group is still in list */ | |
3853 | if (!rfg || !listnode_lookup(rfc->nve_groups_sequential, rfg)) { | |
3854 | /* Not in list anymore */ | |
3855 | vty_out(vty, "Current NVE group no longer exists\n"); | |
3856 | return NULL; | |
3857 | } | |
3858 | ||
3859 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3860 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3861 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3862 | size); | |
3863 | } | |
3864 | return rfg->rfp_cfg; | |
65efcfce LB |
3865 | } |
3866 | ||
d62a17ae | 3867 | static void *rfapi_rfp_get_or_init_group_config_l2(struct rfapi_cfg *rfc, |
3868 | struct vty *vty, | |
3869 | uint32_t size) | |
65efcfce | 3870 | { |
d62a17ae | 3871 | struct rfapi_l2_group_cfg *rfg = |
3872 | VTY_GET_CONTEXT_SUB(rfapi_l2_group_cfg); | |
3873 | ||
3874 | /* make sure group is still in list */ | |
3875 | if (!rfg || !listnode_lookup(rfc->l2_groups, rfg)) { | |
3876 | /* Not in list anymore */ | |
3877 | vty_out(vty, "Current L2 group no longer exists\n"); | |
3878 | return NULL; | |
3879 | } | |
3880 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3881 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3882 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3883 | size); | |
3884 | } | |
3885 | return rfg->rfp_cfg; | |
65efcfce LB |
3886 | } |
3887 | ||
3888 | /*------------------------------------------ | |
3889 | * rfapi_rfp_init_group_config_ptr_vty | |
3890 | * | |
3891 | * This is used to init or return a previously init'ed group specific | |
d62a17ae | 3892 | * configuration pointer. Group is identified by vty context. |
65efcfce LB |
3893 | * NOTE: size is ignored when a previously init'ed value is returned. |
3894 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
3895 | * bgp restart or shutdown. | |
3896 | * | |
d62a17ae | 3897 | * input: |
65efcfce LB |
3898 | * rfp_start_val value returned by rfp_start |
3899 | * type group type | |
3900 | * vty quagga vty context | |
3901 | * size number of bytes to allocation | |
3902 | * | |
3903 | * output: | |
3904 | * none | |
3905 | * | |
d62a17ae | 3906 | * return value: |
65efcfce LB |
3907 | * rfp_cfg_group NULL or Pointer to configuration structure |
3908 | --------------------------------------------*/ | |
d62a17ae | 3909 | void *rfapi_rfp_init_group_config_ptr_vty(void *rfp_start_val, |
3910 | rfapi_rfp_cfg_group_type type, | |
3911 | struct vty *vty, uint32_t size) | |
65efcfce | 3912 | { |
d62a17ae | 3913 | struct bgp *bgp; |
3914 | void *ret = NULL; | |
3915 | ||
3916 | if (rfp_start_val == NULL || vty == NULL) | |
3917 | return NULL; | |
3918 | ||
3919 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
3920 | if (!bgp || !bgp->rfapi_cfg) | |
3921 | return NULL; | |
3922 | ||
3923 | switch (type) { | |
3924 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
3925 | ret = rfapi_rfp_get_or_init_group_config_default(bgp->rfapi_cfg, | |
3926 | vty, size); | |
3927 | break; | |
3928 | case RFAPI_RFP_CFG_GROUP_NVE: | |
3929 | ret = rfapi_rfp_get_or_init_group_config_nve(bgp->rfapi_cfg, | |
3930 | vty, size); | |
3931 | break; | |
3932 | case RFAPI_RFP_CFG_GROUP_L2: | |
3933 | ret = rfapi_rfp_get_or_init_group_config_l2(bgp->rfapi_cfg, vty, | |
3934 | size); | |
3935 | break; | |
3936 | default: | |
af4c2728 | 3937 | flog_err(LIB_ERR_DEVELOPMENT, "%s: Unknown group type=%d", |
02705213 | 3938 | __func__, type); |
d62a17ae | 3939 | /* should never happen */ |
3940 | assert("Unknown type" == NULL); | |
3941 | break; | |
3942 | } | |
3943 | return ret; | |
65efcfce LB |
3944 | } |
3945 | ||
3946 | /*------------------------------------------ | |
3947 | * rfapi_rfp_get_group_config_ptr_vty | |
3948 | * | |
3949 | * This is used to get group specific configuration pointer. | |
3950 | * Group is identified by type and vty context. | |
3951 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
d62a17ae | 3952 | * bgp restart or shutdown. |
65efcfce | 3953 | * |
d62a17ae | 3954 | * input: |
65efcfce LB |
3955 | * rfp_start_val value returned by rfp_start |
3956 | * type group type | |
3957 | * vty quagga vty context | |
3958 | * | |
3959 | * output: | |
3960 | * none | |
3961 | * | |
3962 | * return value: | |
d62a17ae | 3963 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 3964 | --------------------------------------------*/ |
d62a17ae | 3965 | void *rfapi_rfp_get_group_config_ptr_vty(void *rfp_start_val, |
3966 | rfapi_rfp_cfg_group_type type, | |
3967 | struct vty *vty) | |
65efcfce | 3968 | { |
d62a17ae | 3969 | return rfapi_rfp_init_group_config_ptr_vty(rfp_start_val, type, vty, 0); |
65efcfce LB |
3970 | } |
3971 | ||
3972 | static void * | |
d62a17ae | 3973 | rfapi_rfp_get_group_config_name_nve(struct rfapi_cfg *rfc, const char *name, |
3974 | void *criteria, | |
3975 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3976 | { |
d62a17ae | 3977 | struct rfapi_nve_group_cfg *rfg; |
3978 | struct listnode *node; | |
3979 | ||
3980 | for (ALL_LIST_ELEMENTS_RO(rfc->nve_groups_sequential, node, rfg)) { | |
3981 | if (!strcmp(rfg->name, name) && /* name match */ | |
3982 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3983 | return rfg->rfp_cfg; | |
3984 | } | |
3985 | return NULL; | |
65efcfce LB |
3986 | } |
3987 | ||
3988 | static void * | |
d62a17ae | 3989 | rfapi_rfp_get_group_config_name_l2(struct rfapi_cfg *rfc, const char *name, |
3990 | void *criteria, | |
3991 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3992 | { |
d62a17ae | 3993 | struct rfapi_l2_group_cfg *rfg; |
3994 | struct listnode *node; | |
3995 | ||
3996 | for (ALL_LIST_ELEMENTS_RO(rfc->l2_groups, node, rfg)) { | |
3997 | if (!strcmp(rfg->name, name) && /* name match */ | |
3998 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3999 | return rfg->rfp_cfg; | |
4000 | } | |
4001 | return NULL; | |
65efcfce LB |
4002 | } |
4003 | ||
4004 | /*------------------------------------------ | |
4005 | * rfapi_rfp_get_group_config_ptr_name | |
4006 | * | |
4007 | * This is used to get group specific configuration pointer. | |
d62a17ae | 4008 | * Group is identified by type and name context. |
65efcfce LB |
4009 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, |
4010 | * bgp restart or shutdown. | |
4011 | * | |
d62a17ae | 4012 | * input: |
65efcfce LB |
4013 | * rfp_start_val value returned by rfp_start |
4014 | * type group type | |
4015 | * name group name | |
4016 | * criteria RFAPI caller provided serach criteria | |
4017 | * search_cb optional rfp_group_config_search_cb_t | |
4018 | * | |
4019 | * output: | |
4020 | * none | |
4021 | * | |
4022 | * return value: | |
d62a17ae | 4023 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 4024 | --------------------------------------------*/ |
d62a17ae | 4025 | void *rfapi_rfp_get_group_config_ptr_name( |
4026 | void *rfp_start_val, rfapi_rfp_cfg_group_type type, const char *name, | |
4027 | void *criteria, rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 4028 | { |
d62a17ae | 4029 | struct bgp *bgp; |
4030 | void *ret = NULL; | |
4031 | ||
4032 | if (rfp_start_val == NULL || name == NULL) | |
4033 | return NULL; | |
4034 | ||
4035 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
4036 | if (!bgp || !bgp->rfapi_cfg) | |
4037 | return NULL; | |
4038 | ||
4039 | switch (type) { | |
4040 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
4041 | ret = bgp->rfapi_cfg->default_rfp_cfg; | |
4042 | break; | |
4043 | case RFAPI_RFP_CFG_GROUP_NVE: | |
4044 | ret = rfapi_rfp_get_group_config_name_nve(bgp->rfapi_cfg, name, | |
4045 | criteria, search_cb); | |
4046 | break; | |
4047 | case RFAPI_RFP_CFG_GROUP_L2: | |
4048 | ret = rfapi_rfp_get_group_config_name_l2(bgp->rfapi_cfg, name, | |
4049 | criteria, search_cb); | |
4050 | break; | |
4051 | default: | |
af4c2728 | 4052 | flog_err(LIB_ERR_DEVELOPMENT, "%s: Unknown group type=%d", |
02705213 | 4053 | __func__, type); |
d62a17ae | 4054 | /* should never happen */ |
4055 | assert("Unknown type" == NULL); | |
4056 | break; | |
4057 | } | |
4058 | return ret; | |
65efcfce LB |
4059 | } |
4060 | ||
4061 | /*------------------------------------------ | |
4062 | * rfapi_rfp_get_l2_group_config_ptr_lni | |
4063 | * | |
4064 | * This is used to get group specific configuration pointer. | |
4065 | * Group is identified by type and logical network identifier. | |
4066 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4067 | * bgp restart or shutdown. | |
4068 | * | |
d62a17ae | 4069 | * input: |
65efcfce LB |
4070 | * rfp_start_val value returned by rfp_start |
4071 | * type group type | |
4072 | * logical_net_id group logical network identifier | |
4073 | * criteria RFAPI caller provided serach criteria | |
4074 | * search_cb optional rfp_group_config_search_cb_t | |
4075 | * | |
4076 | * output: | |
4077 | * none | |
4078 | * | |
4079 | * return value: | |
d62a17ae | 4080 | * rfp_cfg_group Pointer to configuration structure |
65efcfce LB |
4081 | --------------------------------------------*/ |
4082 | void * | |
d62a17ae | 4083 | rfapi_rfp_get_l2_group_config_ptr_lni(void *rfp_start_val, |
4084 | uint32_t logical_net_id, void *criteria, | |
4085 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 4086 | { |
d62a17ae | 4087 | struct bgp *bgp; |
4088 | struct rfapi_l2_group_cfg *rfg; | |
4089 | struct listnode *node; | |
4090 | ||
4091 | if (rfp_start_val == NULL) | |
4092 | return NULL; | |
4093 | ||
4094 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
4095 | if (!bgp || !bgp->rfapi_cfg) | |
4096 | return NULL; | |
4097 | ||
4098 | for (ALL_LIST_ELEMENTS_RO(bgp->rfapi_cfg->l2_groups, node, rfg)) { | |
4099 | if (rfg->logical_net_id == logical_net_id | |
4100 | && (search_cb == NULL | |
4101 | || !search_cb(criteria, rfg->rfp_cfg))) { | |
4102 | if (rfg->rfp_cfg == NULL) | |
4103 | vnc_zlog_debug_verbose( | |
4104 | "%s: returning rfp group config for lni=0", | |
4105 | __func__); | |
4106 | return rfg->rfp_cfg; | |
4107 | } | |
4108 | } | |
4109 | return NULL; | |
65efcfce | 4110 | } |