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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" |
f8b6f499 LB |
35 | |
36 | #include "bgpd/bgpd.h" | |
37 | #include "bgpd/bgp_ecommunity.h" | |
38 | #include "bgpd/bgp_attr.h" | |
f8b6f499 LB |
39 | |
40 | #include "bgpd/rfapi/bgp_rfapi_cfg.h" | |
41 | #include "bgpd/rfapi/rfapi.h" | |
42 | #include "bgpd/rfapi/rfapi_backend.h" | |
43 | ||
44 | #include "bgpd/bgp_route.h" | |
c016b6c7 | 45 | #include "bgpd/bgp_mplsvpn.h" |
f8b6f499 LB |
46 | #include "bgpd/bgp_aspath.h" |
47 | #include "bgpd/bgp_advertise.h" | |
48 | #include "bgpd/bgp_vnc_types.h" | |
49 | #include "bgpd/bgp_zebra.h" | |
50 | ||
51 | #include "bgpd/rfapi/rfapi_import.h" | |
52 | #include "bgpd/rfapi/rfapi_private.h" | |
53 | #include "bgpd/rfapi/rfapi_monitor.h" | |
54 | #include "bgpd/rfapi/rfapi_vty.h" | |
55 | #include "bgpd/rfapi/vnc_export_bgp.h" | |
56 | #include "bgpd/rfapi/vnc_export_bgp_p.h" | |
57 | #include "bgpd/rfapi/vnc_zebra.h" | |
58 | #include "bgpd/rfapi/vnc_import_bgp.h" | |
59 | #include "bgpd/rfapi/rfapi_rib.h" | |
60 | #include "bgpd/rfapi/rfapi_ap.h" | |
61 | #include "bgpd/rfapi/rfapi_encap_tlv.h" | |
62 | #include "bgpd/rfapi/vnc_debug.h" | |
65efcfce LB |
63 | |
64 | #ifdef HAVE_GLIBC_BACKTRACE | |
65 | /* for backtrace and friends */ | |
66 | #include <execinfo.h> | |
67 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
68 | ||
d62a17ae | 69 | struct ethaddr rfapi_ethaddr0 = {{0}}; |
65efcfce LB |
70 | |
71 | #define DEBUG_RFAPI_STR "RF API debugging/testing command\n" | |
72 | ||
d62a17ae | 73 | const char *rfapi_error_str(int code) |
65efcfce | 74 | { |
d62a17ae | 75 | switch (code) { |
76 | case 0: | |
77 | return "Success"; | |
78 | case ENXIO: | |
79 | return "BGP or VNC not configured"; | |
80 | case ENOENT: | |
81 | return "No match"; | |
82 | case EEXIST: | |
83 | return "Handle already open"; | |
84 | case ENOMSG: | |
85 | return "Incomplete configuration"; | |
86 | case EAFNOSUPPORT: | |
87 | return "Invalid address family"; | |
88 | case EDEADLK: | |
89 | return "Called from within a callback procedure"; | |
90 | case EBADF: | |
91 | return "Invalid handle"; | |
92 | case EINVAL: | |
93 | return "Invalid argument"; | |
94 | case ESTALE: | |
95 | return "Stale descriptor"; | |
96 | default: | |
97 | return "Unknown error"; | |
98 | } | |
65efcfce LB |
99 | } |
100 | ||
101 | /*------------------------------------------ | |
102 | * rfapi_get_response_lifetime_default | |
103 | * | |
104 | * Returns the default lifetime for a response. | |
105 | * rfp_start_val value returned by rfp_start or | |
106 | * NULL (=use default instance) | |
107 | * | |
d62a17ae | 108 | * input: |
65efcfce LB |
109 | * None |
110 | * | |
111 | * output: | |
112 | * | |
113 | * return value: The bgp instance default lifetime for a response. | |
114 | --------------------------------------------*/ | |
d62a17ae | 115 | int rfapi_get_response_lifetime_default(void *rfp_start_val) |
65efcfce | 116 | { |
d62a17ae | 117 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
118 | if (bgp) | |
119 | return bgp->rfapi_cfg->default_response_lifetime; | |
120 | return BGP_VNC_DEFAULT_RESPONSE_LIFETIME_DEFAULT; | |
65efcfce LB |
121 | } |
122 | ||
123 | /*------------------------------------------ | |
124 | * rfapi_is_vnc_configured | |
125 | * | |
00827590 | 126 | * Returns if VNC is configured |
65efcfce | 127 | * |
d62a17ae | 128 | * input: |
65efcfce LB |
129 | * rfp_start_val value returned by rfp_start or |
130 | * NULL (=use default instance) | |
131 | * | |
132 | * output: | |
133 | * | |
134 | * return value: If VNC is configured for the bgpd instance | |
135 | * 0 Success | |
136 | * ENXIO VNC not configured | |
137 | --------------------------------------------*/ | |
d62a17ae | 138 | int rfapi_is_vnc_configured(void *rfp_start_val) |
65efcfce | 139 | { |
d62a17ae | 140 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
00827590 LB |
141 | if (bgp_rfapi_is_vnc_configured(bgp) == 0) |
142 | return 0; | |
143 | return ENXIO; | |
65efcfce LB |
144 | } |
145 | ||
146 | ||
147 | /*------------------------------------------ | |
148 | * rfapi_get_vn_addr | |
149 | * | |
150 | * Get the virtual network address used by an NVE based on it's RFD | |
151 | * | |
d62a17ae | 152 | * input: |
65efcfce LB |
153 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic |
154 | * | |
155 | * output: | |
156 | * | |
d62a17ae | 157 | * return value: |
65efcfce LB |
158 | * vn NVE virtual network address |
159 | *------------------------------------------*/ | |
d62a17ae | 160 | struct rfapi_ip_addr *rfapi_get_vn_addr(void *rfd) |
65efcfce | 161 | { |
d62a17ae | 162 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; |
163 | return &rrfd->vn_addr; | |
65efcfce LB |
164 | } |
165 | ||
166 | /*------------------------------------------ | |
167 | * rfapi_get_un_addr | |
168 | * | |
169 | * Get the underlay network address used by an NVE based on it's RFD | |
170 | * | |
d62a17ae | 171 | * input: |
65efcfce LB |
172 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic |
173 | * | |
174 | * output: | |
175 | * | |
d62a17ae | 176 | * return value: |
65efcfce LB |
177 | * un NVE underlay network address |
178 | *------------------------------------------*/ | |
d62a17ae | 179 | struct rfapi_ip_addr *rfapi_get_un_addr(void *rfd) |
65efcfce | 180 | { |
d62a17ae | 181 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; |
182 | return &rrfd->un_addr; | |
65efcfce LB |
183 | } |
184 | ||
d62a17ae | 185 | int rfapi_ip_addr_cmp(struct rfapi_ip_addr *a1, struct rfapi_ip_addr *a2) |
65efcfce | 186 | { |
d62a17ae | 187 | if (a1->addr_family != a2->addr_family) |
188 | return a1->addr_family - a2->addr_family; | |
65efcfce | 189 | |
d62a17ae | 190 | if (a1->addr_family == AF_INET) { |
191 | return IPV4_ADDR_CMP(&a1->addr.v4, &a2->addr.v4); | |
192 | } | |
65efcfce | 193 | |
d62a17ae | 194 | if (a1->addr_family == AF_INET6) { |
195 | return IPV6_ADDR_CMP(&a1->addr.v6, &a2->addr.v6); | |
196 | } | |
65efcfce | 197 | |
d62a17ae | 198 | assert(1); |
199 | /* NOTREACHED */ | |
200 | return 1; | |
65efcfce LB |
201 | } |
202 | ||
d62a17ae | 203 | static int rfapi_find_node(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
204 | struct rfapi_ip_addr *un_addr, | |
205 | struct route_node **node) | |
65efcfce | 206 | { |
d62a17ae | 207 | struct rfapi *h; |
208 | struct prefix p; | |
209 | struct route_node *rn; | |
210 | int rc; | |
e7038dde | 211 | afi_t afi; |
65efcfce | 212 | |
d62a17ae | 213 | if (!bgp) { |
214 | return ENXIO; | |
215 | } | |
65efcfce | 216 | |
d62a17ae | 217 | h = bgp->rfapi; |
218 | if (!h) { | |
219 | return ENXIO; | |
220 | } | |
65efcfce | 221 | |
d62a17ae | 222 | afi = family2afi(un_addr->addr_family); |
223 | if (!afi) { | |
224 | return EAFNOSUPPORT; | |
225 | } | |
65efcfce | 226 | |
d62a17ae | 227 | if ((rc = rfapiRaddr2Qprefix(un_addr, &p))) |
228 | return rc; | |
65efcfce | 229 | |
0ae6124f | 230 | rn = route_node_lookup(h->un[afi], &p); |
65efcfce | 231 | |
d62a17ae | 232 | if (!rn) |
233 | return ENOENT; | |
65efcfce | 234 | |
d62a17ae | 235 | route_unlock_node(rn); |
65efcfce | 236 | |
d62a17ae | 237 | *node = rn; |
65efcfce | 238 | |
d62a17ae | 239 | return 0; |
65efcfce LB |
240 | } |
241 | ||
242 | ||
d62a17ae | 243 | int rfapi_find_rfd(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
244 | struct rfapi_ip_addr *un_addr, struct rfapi_descriptor **rfd) | |
65efcfce | 245 | { |
d62a17ae | 246 | struct route_node *rn; |
247 | int rc; | |
65efcfce | 248 | |
d62a17ae | 249 | rc = rfapi_find_node(bgp, vn_addr, un_addr, &rn); |
65efcfce | 250 | |
d62a17ae | 251 | if (rc) |
252 | return rc; | |
65efcfce | 253 | |
d62a17ae | 254 | for (*rfd = (struct rfapi_descriptor *)(rn->info); *rfd; |
255 | *rfd = (*rfd)->next) { | |
256 | if (!rfapi_ip_addr_cmp(&(*rfd)->vn_addr, vn_addr)) | |
257 | break; | |
258 | } | |
65efcfce | 259 | |
d62a17ae | 260 | if (!*rfd) |
261 | return ENOENT; | |
65efcfce | 262 | |
d62a17ae | 263 | return 0; |
65efcfce LB |
264 | } |
265 | ||
266 | /*------------------------------------------ | |
267 | * rfapi_find_handle | |
268 | * | |
d62a17ae | 269 | * input: |
65efcfce LB |
270 | * un underlay network address |
271 | * vn virtual network address | |
272 | * | |
273 | * output: | |
274 | * pHandle pointer to location to store handle | |
275 | * | |
d62a17ae | 276 | * return value: |
65efcfce LB |
277 | * 0 Success |
278 | * ENOENT no matching handle | |
279 | * ENXIO BGP or VNC not configured | |
280 | *------------------------------------------*/ | |
d62a17ae | 281 | static int rfapi_find_handle(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
282 | struct rfapi_ip_addr *un_addr, | |
283 | rfapi_handle *handle) | |
65efcfce | 284 | { |
d62a17ae | 285 | struct rfapi_descriptor **rfd; |
65efcfce | 286 | |
d62a17ae | 287 | rfd = (struct rfapi_descriptor **)handle; |
65efcfce | 288 | |
d62a17ae | 289 | return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); |
65efcfce LB |
290 | } |
291 | ||
d62a17ae | 292 | static int rfapi_find_handle_vty(struct vty *vty, struct rfapi_ip_addr *vn_addr, |
293 | struct rfapi_ip_addr *un_addr, | |
294 | rfapi_handle *handle) | |
65efcfce | 295 | { |
d62a17ae | 296 | struct bgp *bgp; |
297 | struct rfapi_descriptor **rfd; | |
65efcfce | 298 | |
d62a17ae | 299 | bgp = bgp_get_default(); /* assume 1 instance for now */ |
65efcfce | 300 | |
d62a17ae | 301 | rfd = (struct rfapi_descriptor **)handle; |
65efcfce | 302 | |
d62a17ae | 303 | return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); |
65efcfce LB |
304 | } |
305 | ||
d62a17ae | 306 | static int is_valid_rfd(struct rfapi_descriptor *rfd) |
65efcfce | 307 | { |
d62a17ae | 308 | rfapi_handle hh; |
65efcfce | 309 | |
d62a17ae | 310 | if (!rfd || rfd->bgp == NULL) |
311 | return 0; | |
65efcfce | 312 | |
d62a17ae | 313 | if (CHECK_FLAG( |
314 | rfd->flags, | |
315 | RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ | |
316 | return 1; | |
5ff06872 | 317 | |
d62a17ae | 318 | if (rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh)) |
319 | return 0; | |
65efcfce | 320 | |
d62a17ae | 321 | if (rfd != hh) |
322 | return 0; | |
65efcfce | 323 | |
d62a17ae | 324 | return 1; |
65efcfce LB |
325 | } |
326 | ||
327 | /* | |
328 | * check status of descriptor | |
329 | */ | |
d62a17ae | 330 | int rfapi_check(void *handle) |
65efcfce | 331 | { |
d62a17ae | 332 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
333 | rfapi_handle hh; | |
334 | int rc; | |
65efcfce | 335 | |
d62a17ae | 336 | if (!rfd || rfd->bgp == NULL) |
337 | return EINVAL; | |
65efcfce | 338 | |
d62a17ae | 339 | if (CHECK_FLAG( |
340 | rfd->flags, | |
341 | RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ | |
342 | return 0; | |
5ff06872 | 343 | |
d62a17ae | 344 | if ((rc = rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, |
345 | &hh))) | |
346 | return rc; | |
65efcfce | 347 | |
d62a17ae | 348 | if (rfd != hh) |
349 | return ENOENT; | |
65efcfce | 350 | |
d62a17ae | 351 | if (!rfd->rfg) |
352 | return ESTALE; | |
65efcfce | 353 | |
d62a17ae | 354 | return 0; |
65efcfce LB |
355 | } |
356 | ||
357 | ||
d62a17ae | 358 | void del_vnc_route(struct rfapi_descriptor *rfd, |
359 | struct peer *peer, /* rfd->peer for RFP regs */ | |
360 | struct bgp *bgp, safi_t safi, struct prefix *p, | |
361 | struct prefix_rd *prd, uint8_t type, uint8_t sub_type, | |
362 | struct rfapi_nexthop *lnh, int kill) | |
65efcfce | 363 | { |
d62a17ae | 364 | afi_t afi; /* of the VN address */ |
365 | struct bgp_node *bn; | |
366 | struct bgp_info *bi; | |
872ed4c7 | 367 | char buf[PREFIX_STRLEN]; |
06b9f471 | 368 | char buf2[RD_ADDRSTRLEN]; |
d62a17ae | 369 | struct prefix_rd prd0; |
370 | ||
872ed4c7 | 371 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 372 | |
373 | afi = family2afi(p->family); | |
374 | assert(afi == AFI_IP || afi == AFI_IP6); | |
375 | ||
376 | if (safi == SAFI_ENCAP) { | |
377 | memset(&prd0, 0, sizeof(prd0)); | |
378 | prd0.family = AF_UNSPEC; | |
379 | prd0.prefixlen = 64; | |
380 | prd = &prd0; | |
381 | } | |
382 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
383 | ||
384 | vnc_zlog_debug_verbose( | |
385 | "%s: peer=%p, prefix=%s, prd=%s afi=%d, safi=%d bn=%p, bn->info=%p", | |
996c9314 LB |
386 | __func__, peer, buf, prefix_rd2str(prd, buf2, sizeof(buf2)), |
387 | afi, safi, bn, (bn ? bn->info : NULL)); | |
d62a17ae | 388 | |
389 | for (bi = (bn ? bn->info : NULL); bi; bi = bi->next) { | |
390 | ||
391 | vnc_zlog_debug_verbose( | |
392 | "%s: trying bi=%p, bi->peer=%p, bi->type=%d, bi->sub_type=%d, bi->extra->vnc.export.rfapi_handle=%p, local_pref=%u", | |
393 | __func__, bi, bi->peer, bi->type, bi->sub_type, | |
394 | (bi->extra ? bi->extra->vnc.export.rfapi_handle : NULL), | |
395 | ((bi->attr | |
396 | && CHECK_FLAG(bi->attr->flag, | |
397 | ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF))) | |
398 | ? bi->attr->local_pref | |
399 | : 0)); | |
400 | ||
401 | if (bi->peer == peer && bi->type == type | |
402 | && bi->sub_type == sub_type && bi->extra | |
403 | && bi->extra->vnc.export.rfapi_handle == (void *)rfd) { | |
404 | ||
405 | vnc_zlog_debug_verbose("%s: matched it", __func__); | |
406 | ||
407 | break; | |
408 | } | |
409 | } | |
410 | ||
411 | if (lnh) { | |
412 | /* | |
413 | * lnh set means to JUST delete the local nexthop from this | |
414 | * route. Leave the route itself in place. | |
415 | * TBD add return code reporting of success/failure | |
416 | */ | |
417 | if (!bi || !bi->extra | |
418 | || !bi->extra->vnc.export.local_nexthops) { | |
419 | /* | |
420 | * no local nexthops | |
421 | */ | |
422 | vnc_zlog_debug_verbose( | |
423 | "%s: lnh list already empty at prefix %s", | |
424 | __func__, buf); | |
425 | goto done; | |
426 | } | |
427 | ||
428 | /* | |
429 | * look for it | |
430 | */ | |
431 | struct listnode *node; | |
432 | struct rfapi_nexthop *pLnh = NULL; | |
433 | ||
434 | for (ALL_LIST_ELEMENTS_RO(bi->extra->vnc.export.local_nexthops, | |
435 | node, pLnh)) { | |
436 | ||
437 | if (prefix_same(&pLnh->addr, &lnh->addr)) { | |
438 | break; | |
439 | } | |
440 | } | |
441 | ||
442 | if (pLnh) { | |
443 | listnode_delete(bi->extra->vnc.export.local_nexthops, | |
444 | pLnh); | |
445 | ||
446 | /* silly rabbit, listnode_delete doesn't invoke | |
447 | * list->del on data */ | |
448 | rfapi_nexthop_free(pLnh); | |
449 | } else { | |
450 | vnc_zlog_debug_verbose("%s: desired lnh not found %s", | |
451 | __func__, buf); | |
452 | } | |
453 | goto done; | |
454 | } | |
455 | ||
456 | /* | |
457 | * loop back to import tables | |
458 | * Do this before removing from BGP RIB because rfapiProcessWithdraw | |
459 | * might refer to it | |
460 | */ | |
461 | rfapiProcessWithdraw(peer, rfd, p, prd, NULL, afi, safi, type, kill); | |
462 | ||
463 | if (bi) { | |
872ed4c7 | 464 | char buf[PREFIX_STRLEN]; |
d62a17ae | 465 | |
872ed4c7 | 466 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 467 | vnc_zlog_debug_verbose( |
468 | "%s: Found route (safi=%d) to delete at prefix %s", | |
469 | __func__, safi, buf); | |
470 | ||
471 | if (safi == SAFI_MPLS_VPN) { | |
472 | struct bgp_node *prn = NULL; | |
473 | struct bgp_table *table = NULL; | |
474 | ||
475 | prn = bgp_node_get(bgp->rib[afi][safi], | |
476 | (struct prefix *)prd); | |
477 | if (prn->info) { | |
478 | table = (struct bgp_table *)(prn->info); | |
479 | ||
480 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
481 | bgp, prd, table, p, bi); | |
482 | } | |
483 | bgp_unlock_node(prn); | |
484 | } | |
485 | ||
486 | /* | |
487 | * Delete local_nexthops list | |
488 | */ | |
489 | if (bi->extra && bi->extra->vnc.export.local_nexthops) { | |
affe9e99 DS |
490 | list_delete_and_null( |
491 | &bi->extra->vnc.export.local_nexthops); | |
d62a17ae | 492 | } |
493 | ||
494 | bgp_aggregate_decrement(bgp, p, bi, afi, safi); | |
495 | bgp_info_delete(bn, bi); | |
496 | bgp_process(bgp, bn, afi, safi); | |
497 | } else { | |
498 | vnc_zlog_debug_verbose( | |
499 | "%s: Couldn't find route (safi=%d) at prefix %s", | |
500 | __func__, safi, buf); | |
501 | } | |
65efcfce | 502 | done: |
d62a17ae | 503 | bgp_unlock_node(bn); |
65efcfce LB |
504 | } |
505 | ||
d62a17ae | 506 | struct rfapi_nexthop *rfapi_nexthop_new(struct rfapi_nexthop *copyme) |
65efcfce | 507 | { |
d62a17ae | 508 | struct rfapi_nexthop *new = |
509 | XCALLOC(MTYPE_RFAPI_NEXTHOP, sizeof(struct rfapi_nexthop)); | |
510 | if (copyme) | |
511 | *new = *copyme; | |
512 | return new; | |
65efcfce LB |
513 | } |
514 | ||
d62a17ae | 515 | void rfapi_nexthop_free(void *p) |
65efcfce | 516 | { |
d62a17ae | 517 | struct rfapi_nexthop *goner = p; |
518 | XFREE(MTYPE_RFAPI_NEXTHOP, goner); | |
65efcfce LB |
519 | } |
520 | ||
d62a17ae | 521 | struct rfapi_vn_option *rfapi_vn_options_dup(struct rfapi_vn_option *existing) |
65efcfce | 522 | { |
d62a17ae | 523 | struct rfapi_vn_option *p; |
524 | struct rfapi_vn_option *head = NULL; | |
525 | struct rfapi_vn_option *tail = NULL; | |
526 | ||
527 | for (p = existing; p; p = p->next) { | |
528 | struct rfapi_vn_option *new; | |
529 | ||
530 | new = XCALLOC(MTYPE_RFAPI_VN_OPTION, | |
531 | sizeof(struct rfapi_vn_option)); | |
532 | *new = *p; | |
533 | new->next = NULL; | |
534 | if (tail) | |
535 | (tail)->next = new; | |
536 | tail = new; | |
537 | if (!head) { | |
538 | head = new; | |
539 | } | |
540 | } | |
541 | return head; | |
65efcfce LB |
542 | } |
543 | ||
d62a17ae | 544 | void rfapi_un_options_free(struct rfapi_un_option *p) |
65efcfce | 545 | { |
d62a17ae | 546 | struct rfapi_un_option *next; |
65efcfce | 547 | |
d62a17ae | 548 | while (p) { |
549 | next = p->next; | |
550 | XFREE(MTYPE_RFAPI_UN_OPTION, p); | |
551 | p = next; | |
552 | } | |
65efcfce LB |
553 | } |
554 | ||
d62a17ae | 555 | void rfapi_vn_options_free(struct rfapi_vn_option *p) |
65efcfce | 556 | { |
d62a17ae | 557 | struct rfapi_vn_option *next; |
65efcfce | 558 | |
d62a17ae | 559 | while (p) { |
560 | next = p->next; | |
561 | XFREE(MTYPE_RFAPI_VN_OPTION, p); | |
562 | p = next; | |
563 | } | |
65efcfce LB |
564 | } |
565 | ||
566 | /* Based on bgp_redistribute_add() */ | |
d62a17ae | 567 | void add_vnc_route(struct rfapi_descriptor *rfd, /* cookie, VPN UN addr, peer */ |
568 | struct bgp *bgp, int safi, struct prefix *p, | |
569 | struct prefix_rd *prd, struct rfapi_ip_addr *nexthop, | |
570 | uint32_t *local_pref, | |
571 | uint32_t *lifetime, /* NULL => dont send lifetime */ | |
572 | struct bgp_tea_options *rfp_options, | |
573 | struct rfapi_un_option *options_un, | |
574 | struct rfapi_vn_option *options_vn, | |
575 | struct ecommunity *rt_export_list, /* Copied, not consumed */ | |
576 | uint32_t *med, /* NULL => don't set med */ | |
577 | uint32_t *label, /* low order 3 bytes */ | |
578 | uint8_t type, uint8_t sub_type, /* RFP, NORMAL or REDIST */ | |
579 | int flags) | |
65efcfce | 580 | { |
d62a17ae | 581 | afi_t afi; /* of the VN address */ |
582 | struct bgp_info *new; | |
583 | struct bgp_info *bi; | |
584 | struct bgp_node *bn; | |
585 | ||
586 | struct attr attr = {0}; | |
587 | struct attr *new_attr; | |
588 | uint32_t label_val; | |
589 | ||
590 | struct bgp_attr_encap_subtlv *encaptlv; | |
872ed4c7 | 591 | char buf[PREFIX_STRLEN]; |
06b9f471 | 592 | char buf2[RD_ADDRSTRLEN]; |
d62a17ae | 593 | #if 0 /* unused? */ |
65efcfce LB |
594 | struct prefix pfx_buf; |
595 | #endif | |
596 | ||
d62a17ae | 597 | struct rfapi_nexthop *lnh = NULL; /* local nexthop */ |
598 | struct rfapi_vn_option *vo; | |
599 | struct rfapi_l2address_option *l2o = NULL; | |
600 | struct rfapi_ip_addr *un_addr = &rfd->un_addr; | |
65efcfce | 601 | |
d62a17ae | 602 | bgp_encap_types TunnelType = BGP_ENCAP_TYPE_RESERVED; |
603 | struct bgp_redist *red; | |
65efcfce | 604 | |
d62a17ae | 605 | if (safi == SAFI_ENCAP |
606 | && !(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_ADV_UN_METHOD_ENCAP)) { | |
65efcfce | 607 | |
d62a17ae | 608 | /* |
609 | * Encap mode not enabled. UN addresses will be communicated | |
610 | * via VNC Tunnel subtlv instead. | |
611 | */ | |
612 | vnc_zlog_debug_verbose( | |
613 | "%s: encap mode not enabled, not adding SAFI_ENCAP route", | |
614 | __func__); | |
615 | return; | |
616 | } | |
65efcfce | 617 | |
d62a17ae | 618 | #if 0 /* unused? */ |
65efcfce LB |
619 | if ((safi == SAFI_MPLS_VPN) && (flags & RFAPI_AHR_SET_PFX_TO_NEXTHOP)) |
620 | { | |
621 | ||
622 | if (rfapiRaddr2Qprefix (nexthop, &pfx_buf)) | |
623 | { | |
a3b55c25 | 624 | vnc_zlog_debug_verbose |
65efcfce LB |
625 | ("%s: can't set pfx to vn addr, not adding SAFI_MPLS_VPN route", |
626 | __func__); | |
627 | return; | |
628 | } | |
629 | p = &pfx_buf; | |
630 | } | |
631 | #endif | |
d62a17ae | 632 | for (vo = options_vn; vo; vo = vo->next) { |
633 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { | |
634 | l2o = &vo->v.l2addr; | |
635 | if (RFAPI_0_ETHERADDR(&l2o->macaddr)) | |
636 | l2o = NULL; /* not MAC resolution */ | |
637 | } | |
638 | if (RFAPI_VN_OPTION_TYPE_LOCAL_NEXTHOP == vo->type) { | |
639 | lnh = &vo->v.local_nexthop; | |
640 | } | |
641 | } | |
642 | ||
643 | if (label) | |
644 | label_val = *label; | |
645 | else | |
646 | label_val = MPLS_LABEL_IMPLICIT_NULL; | |
647 | ||
872ed4c7 | 648 | prefix_rd2str(prd, buf2, sizeof(buf2)); |
d62a17ae | 649 | |
650 | afi = family2afi(p->family); | |
651 | assert(afi == AFI_IP || afi == AFI_IP6); | |
652 | ||
653 | vnc_zlog_debug_verbose("%s: afi=%s, safi=%s", __func__, afi2str(afi), | |
654 | safi2str(safi)); | |
655 | ||
656 | /* Make default attribute. Produces already-interned attr.aspath */ | |
657 | /* Cripes, the memory management of attributes is byzantine */ | |
658 | ||
659 | bgp_attr_default_set(&attr, BGP_ORIGIN_INCOMPLETE); | |
660 | ||
661 | /* | |
662 | * At this point: | |
663 | * attr: static | |
664 | * extra: dynamically allocated, owned by attr | |
665 | * aspath: points to interned hash from aspath hash table | |
666 | */ | |
667 | ||
668 | ||
669 | /* | |
670 | * Route-specific un_options get added to the VPN SAFI | |
671 | * advertisement tunnel encap attribute. (the per-NVE | |
672 | * "default" un_options are put into the 1-per-NVE ENCAP | |
673 | * SAFI advertisement). The VPN SAFI also gets the | |
674 | * default un_options if there are no route-specific options. | |
675 | */ | |
676 | if (options_un) { | |
677 | struct rfapi_un_option *uo; | |
678 | ||
679 | for (uo = options_un; uo; uo = uo->next) { | |
680 | if (RFAPI_UN_OPTION_TYPE_TUNNELTYPE == uo->type) { | |
681 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
682 | bgp, un_addr, &uo->v.tunnel, &attr, | |
683 | l2o != NULL); | |
684 | } | |
685 | } | |
686 | } else { | |
687 | /* | |
688 | * Add encap attr | |
689 | * These are the NVE-specific "default" un_options which are | |
690 | * put into the 1-per-NVE ENCAP advertisement. | |
691 | */ | |
692 | if (rfd->default_tunneltype_option.type) { | |
693 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
694 | bgp, un_addr, &rfd->default_tunneltype_option, | |
695 | &attr, l2o != NULL); | |
696 | } else /* create default for local addse */ | |
697 | if (type == ZEBRA_ROUTE_BGP | |
698 | && sub_type == BGP_ROUTE_RFP) | |
699 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
700 | bgp, un_addr, NULL, &attr, l2o != NULL); | |
701 | } | |
702 | ||
703 | if (TunnelType == BGP_ENCAP_TYPE_MPLS) { | |
704 | if (safi == SAFI_ENCAP) { | |
705 | /* Encap SAFI not used with MPLS */ | |
706 | vnc_zlog_debug_verbose( | |
707 | "%s: mpls tunnel type, encap safi omitted", | |
708 | __func__); | |
709 | aspath_unintern(&attr.aspath); /* Unintern original. */ | |
710 | return; | |
711 | } | |
712 | } | |
713 | ||
714 | if (local_pref) { | |
715 | attr.local_pref = *local_pref; | |
716 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
717 | } | |
718 | ||
719 | if (med) { | |
720 | attr.med = *med; | |
721 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
722 | } | |
723 | ||
724 | /* override default weight assigned by bgp_attr_default_set() */ | |
725 | attr.weight = rfd->peer ? rfd->peer->weight[afi][safi] : 0; | |
726 | ||
727 | /* | |
728 | * NB: ticket 81: do not reset attr.aspath here because it would | |
729 | * cause iBGP peers to drop route | |
730 | */ | |
731 | ||
732 | /* | |
733 | * Set originator ID for routes imported from BGP directly. | |
734 | * These routes could be synthetic, and therefore could | |
735 | * reuse the peer pointers of the routes they are derived | |
736 | * from. Setting the originator ID to "us" prevents the | |
737 | * wrong originator ID from being sent when this route is | |
738 | * sent from a route reflector. | |
739 | */ | |
740 | if (type == ZEBRA_ROUTE_BGP_DIRECT | |
741 | || type == ZEBRA_ROUTE_BGP_DIRECT_EXT) { | |
742 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID); | |
743 | attr.originator_id = bgp->router_id; | |
744 | } | |
745 | ||
746 | ||
747 | /* Set up vnc attribute (sub-tlv for Prefix Lifetime) */ | |
748 | if (lifetime && *lifetime != RFAPI_INFINITE_LIFETIME) { | |
749 | uint32_t lt; | |
750 | ||
996c9314 LB |
751 | encaptlv = XCALLOC(MTYPE_ENCAP_TLV, |
752 | sizeof(struct bgp_attr_encap_subtlv) + 4); | |
d62a17ae | 753 | assert(encaptlv); |
754 | encaptlv->type = | |
755 | BGP_VNC_SUBTLV_TYPE_LIFETIME; /* prefix lifetime */ | |
756 | encaptlv->length = 4; | |
757 | lt = htonl(*lifetime); | |
758 | memcpy(encaptlv->value, <, 4); | |
759 | attr.vnc_subtlvs = encaptlv; | |
760 | vnc_zlog_debug_verbose( | |
761 | "%s: set Encap Attr Prefix Lifetime to %d", __func__, | |
762 | *lifetime); | |
763 | } | |
764 | ||
765 | /* add rfp options to vnc attr */ | |
766 | if (rfp_options) { | |
767 | ||
768 | if (flags & RFAPI_AHR_RFPOPT_IS_VNCTLV) { | |
769 | ||
770 | /* | |
771 | * this flag means we're passing a pointer to an | |
772 | * existing encap tlv chain which we should copy. | |
773 | * It's a hack to avoid adding yet another argument | |
774 | * to add_vnc_route() | |
775 | */ | |
776 | encaptlv = encap_tlv_dup( | |
777 | (struct bgp_attr_encap_subtlv *)rfp_options); | |
778 | if (attr.vnc_subtlvs) { | |
779 | attr.vnc_subtlvs->next = encaptlv; | |
780 | } else { | |
781 | attr.vnc_subtlvs = encaptlv; | |
782 | } | |
783 | ||
784 | } else { | |
785 | struct bgp_tea_options *hop; | |
786 | /* XXX max of one tlv present so far from above code */ | |
787 | struct bgp_attr_encap_subtlv *tail = attr.vnc_subtlvs; | |
788 | ||
789 | for (hop = rfp_options; hop; hop = hop->next) { | |
790 | ||
791 | /* | |
792 | * Construct subtlv | |
793 | */ | |
794 | encaptlv = XCALLOC( | |
795 | MTYPE_ENCAP_TLV, | |
996c9314 LB |
796 | sizeof(struct bgp_attr_encap_subtlv) + 2 |
797 | + hop->length); | |
d62a17ae | 798 | assert(encaptlv); |
799 | encaptlv->type = | |
800 | BGP_VNC_SUBTLV_TYPE_RFPOPTION; /* RFP | |
801 | option | |
802 | */ | |
803 | encaptlv->length = 2 + hop->length; | |
804 | *((uint8_t *)(encaptlv->value) + 0) = hop->type; | |
805 | *((uint8_t *)(encaptlv->value) + 1) = | |
806 | hop->length; | |
807 | memcpy(((uint8_t *)encaptlv->value) + 2, | |
808 | hop->value, hop->length); | |
809 | ||
810 | /* | |
811 | * add to end of subtlv chain | |
812 | */ | |
813 | if (tail) { | |
814 | tail->next = encaptlv; | |
815 | } else { | |
816 | attr.vnc_subtlvs = encaptlv; | |
817 | } | |
818 | tail = encaptlv; | |
819 | } | |
820 | } | |
821 | } | |
822 | ||
823 | /* | |
824 | * At this point: | |
825 | * attr: static | |
826 | * extra: dynamically allocated, owned by attr | |
827 | * vnc_subtlvs: dynamic chain, length 1 | |
828 | * aspath: points to interned hash from aspath hash table | |
829 | */ | |
830 | ||
831 | ||
832 | attr.ecommunity = ecommunity_new(); | |
833 | assert(attr.ecommunity); | |
834 | ||
835 | if (TunnelType != BGP_ENCAP_TYPE_MPLS | |
836 | && TunnelType != BGP_ENCAP_TYPE_RESERVED) { | |
837 | /* | |
838 | * Add BGP Encapsulation Extended Community. Format described in | |
839 | * section 4.5 of RFC 5512. | |
840 | * Always include when not MPLS type, to disambiguate this case. | |
841 | */ | |
842 | struct ecommunity_val beec; | |
843 | ||
844 | memset(&beec, 0, sizeof(beec)); | |
845 | beec.val[0] = ECOMMUNITY_ENCODE_OPAQUE; | |
846 | beec.val[1] = ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP; | |
847 | beec.val[6] = ((TunnelType) >> 8) & 0xff; | |
848 | beec.val[7] = (TunnelType)&0xff; | |
849 | ecommunity_add_val(attr.ecommunity, &beec); | |
850 | } | |
851 | ||
852 | /* | |
853 | * Add extended community attributes to match rt export list | |
854 | */ | |
855 | if (rt_export_list) { | |
856 | attr.ecommunity = | |
857 | ecommunity_merge(attr.ecommunity, rt_export_list); | |
858 | } | |
859 | ||
860 | if (attr.ecommunity->size) { | |
861 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES); | |
862 | } else { | |
863 | ecommunity_free(&attr.ecommunity); | |
864 | attr.ecommunity = NULL; | |
865 | } | |
866 | vnc_zlog_debug_verbose("%s: attr.ecommunity=%p", __func__, | |
867 | attr.ecommunity); | |
868 | ||
869 | ||
870 | /* | |
871 | * At this point: | |
872 | * attr: static | |
873 | * extra: dynamically allocated, owned by attr | |
874 | * vnc_subtlvs: dynamic chain, length 1 | |
875 | * ecommunity: dynamic 2-part | |
876 | * aspath: points to interned hash from aspath hash table | |
877 | */ | |
878 | ||
879 | /* stuff nexthop in attr_extra; which field depends on IPv4 or IPv6 */ | |
880 | switch (nexthop->addr_family) { | |
881 | case AF_INET: | |
882 | /* | |
883 | * set this field to prevent bgp_route.c code from setting | |
884 | * mp_nexthop_global_in to self | |
885 | */ | |
886 | attr.nexthop.s_addr = nexthop->addr.v4.s_addr; | |
887 | ||
888 | attr.mp_nexthop_global_in = nexthop->addr.v4; | |
889 | attr.mp_nexthop_len = 4; | |
890 | break; | |
891 | ||
892 | case AF_INET6: | |
893 | attr.mp_nexthop_global = nexthop->addr.v6; | |
894 | attr.mp_nexthop_len = 16; | |
895 | break; | |
896 | ||
897 | default: | |
898 | assert(0); | |
899 | } | |
900 | ||
901 | ||
872ed4c7 | 902 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 903 | |
904 | /* | |
905 | * At this point: | |
906 | * | |
907 | * attr: static | |
908 | * extra: dynamically allocated, owned by attr | |
909 | * vnc_subtlvs: dynamic chain, length 1 | |
910 | * ecommunity: dynamic 2-part | |
911 | * aspath: points to interned hash from aspath hash table | |
912 | */ | |
913 | ||
2fcdb1b2 | 914 | red = bgp_redist_lookup(bgp, afi, type, 0); |
d62a17ae | 915 | |
916 | if (red && red->redist_metric_flag) { | |
917 | attr.med = red->redist_metric; | |
918 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
919 | } | |
920 | ||
921 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
922 | ||
923 | /* | |
924 | * bgp_attr_intern creates a new reference to a cached | |
925 | * attribute, but leaves the following bits of trash: | |
926 | * - old attr | |
927 | * - old attr->extra (free via bgp_attr_extra_free(attr)) | |
928 | * | |
929 | * Note that it frees the original attr->extra->ecommunity | |
930 | * but leaves the new attribute pointing to the ORIGINAL | |
931 | * vnc options (which therefore we needn't free from the | |
932 | * static attr) | |
933 | */ | |
934 | new_attr = bgp_attr_intern(&attr); | |
935 | ||
936 | aspath_unintern(&attr.aspath); /* Unintern original. */ | |
937 | ||
938 | /* | |
939 | * At this point: | |
940 | * | |
941 | * attr: static | |
942 | * extra: dynamically allocated, owned by attr | |
943 | * vnc_subtlvs: dynamic chain, length 1 | |
944 | * ecommunity: POINTS TO INTERNED ecom, THIS REF NOT COUNTED | |
945 | * | |
946 | * new_attr: an attr that is part of the hash table, distinct | |
947 | * from attr which is static. | |
948 | * extra: dynamically allocated, owned by new_attr (in hash table) | |
949 | * vnc_subtlvs: POINTS TO SAME dynamic chain AS attr | |
950 | * ecommunity: POINTS TO interned/refcounted dynamic 2-part AS attr | |
951 | * aspath: POINTS TO interned/refcounted hashed block | |
952 | */ | |
953 | for (bi = bn->info; bi; bi = bi->next) { | |
954 | /* probably only need to check | |
955 | * bi->extra->vnc.export.rfapi_handle */ | |
956 | if (bi->peer == rfd->peer && bi->type == type | |
957 | && bi->sub_type == sub_type && bi->extra | |
958 | && bi->extra->vnc.export.rfapi_handle == (void *)rfd) { | |
959 | ||
960 | break; | |
961 | } | |
962 | } | |
963 | ||
964 | if (bi) { | |
965 | ||
966 | /* | |
967 | * Adding new local_nexthop, which does not by itself change | |
968 | * what is advertised via BGP | |
969 | */ | |
970 | if (lnh) { | |
971 | if (!bi->extra->vnc.export.local_nexthops) { | |
972 | /* TBD make arrangements to free when needed */ | |
973 | bi->extra->vnc.export.local_nexthops = | |
974 | list_new(); | |
975 | bi->extra->vnc.export.local_nexthops->del = | |
976 | rfapi_nexthop_free; | |
977 | } | |
978 | ||
979 | /* | |
980 | * already present? | |
981 | */ | |
982 | struct listnode *node; | |
983 | struct rfapi_nexthop *pLnh = NULL; | |
984 | ||
985 | for (ALL_LIST_ELEMENTS_RO( | |
986 | bi->extra->vnc.export.local_nexthops, node, | |
987 | pLnh)) { | |
988 | ||
989 | if (prefix_same(&pLnh->addr, &lnh->addr)) { | |
990 | break; | |
991 | } | |
992 | } | |
993 | ||
994 | /* | |
995 | * Not present, add new one | |
996 | */ | |
997 | if (!pLnh) { | |
998 | pLnh = rfapi_nexthop_new(lnh); | |
999 | listnode_add( | |
1000 | bi->extra->vnc.export.local_nexthops, | |
1001 | pLnh); | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | if (attrhash_cmp(bi->attr, new_attr) | |
1006 | && !CHECK_FLAG(bi->flags, BGP_INFO_REMOVED)) { | |
1007 | bgp_attr_unintern(&new_attr); | |
1008 | bgp_unlock_node(bn); | |
1009 | ||
1010 | vnc_zlog_debug_any( | |
1011 | "%s: Found route (safi=%d) at prefix %s, no change", | |
1012 | __func__, safi, buf); | |
1013 | ||
1014 | goto done; | |
1015 | } else { | |
1016 | /* The attribute is changed. */ | |
1017 | bgp_info_set_flag(bn, bi, BGP_INFO_ATTR_CHANGED); | |
1018 | ||
1019 | if (safi == SAFI_MPLS_VPN) { | |
1020 | struct bgp_node *prn = NULL; | |
1021 | struct bgp_table *table = NULL; | |
1022 | ||
1023 | prn = bgp_node_get(bgp->rib[afi][safi], | |
1024 | (struct prefix *)prd); | |
1025 | if (prn->info) { | |
1026 | table = (struct bgp_table *)(prn->info); | |
1027 | ||
1028 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
1029 | bgp, prd, table, p, bi); | |
1030 | } | |
1031 | bgp_unlock_node(prn); | |
1032 | } | |
1033 | ||
1034 | /* Rewrite BGP route information. */ | |
1035 | if (CHECK_FLAG(bi->flags, BGP_INFO_REMOVED)) | |
1036 | bgp_info_restore(bn, bi); | |
1037 | else | |
1038 | bgp_aggregate_decrement(bgp, p, bi, afi, safi); | |
1039 | bgp_attr_unintern(&bi->attr); | |
1040 | bi->attr = new_attr; | |
1041 | bi->uptime = bgp_clock(); | |
1042 | ||
1043 | ||
1044 | if (safi == SAFI_MPLS_VPN) { | |
1045 | struct bgp_node *prn = NULL; | |
1046 | struct bgp_table *table = NULL; | |
1047 | ||
1048 | prn = bgp_node_get(bgp->rib[afi][safi], | |
1049 | (struct prefix *)prd); | |
1050 | if (prn->info) { | |
1051 | table = (struct bgp_table *)(prn->info); | |
1052 | ||
1053 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
1054 | bgp, prd, table, p, bi); | |
1055 | } | |
1056 | bgp_unlock_node(prn); | |
1057 | } | |
1058 | ||
1059 | /* Process change. */ | |
1060 | bgp_aggregate_increment(bgp, p, bi, afi, safi); | |
1061 | bgp_process(bgp, bn, afi, safi); | |
1062 | bgp_unlock_node(bn); | |
1063 | ||
1064 | vnc_zlog_debug_any( | |
1065 | "%s: Found route (safi=%d) at prefix %s, changed attr", | |
1066 | __func__, safi, buf); | |
1067 | ||
1068 | goto done; | |
1069 | } | |
1070 | } | |
1071 | ||
1072 | ||
1073 | new = bgp_info_new(); | |
1074 | new->type = type; | |
1075 | new->sub_type = sub_type; | |
1076 | new->peer = rfd->peer; | |
1077 | SET_FLAG(new->flags, BGP_INFO_VALID); | |
1078 | new->attr = new_attr; | |
1079 | new->uptime = bgp_clock(); | |
1080 | ||
1081 | /* save backref to rfapi handle */ | |
1082 | assert(bgp_info_extra_get(new)); | |
1083 | new->extra->vnc.export.rfapi_handle = (void *)rfd; | |
317f1fe0 | 1084 | encode_label(label_val, &new->extra->label[0]); |
d62a17ae | 1085 | |
1086 | /* debug */ | |
1087 | ||
1088 | if (VNC_DEBUG(VERBOSE)) { | |
1089 | vnc_zlog_debug_verbose("%s: printing BI", __func__); | |
1090 | rfapiPrintBi(NULL, new); | |
1091 | } | |
1092 | ||
1093 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
1094 | bgp_info_add(bn, new); | |
1095 | ||
1096 | if (safi == SAFI_MPLS_VPN) { | |
1097 | struct bgp_node *prn = NULL; | |
1098 | struct bgp_table *table = NULL; | |
1099 | ||
1100 | prn = bgp_node_get(bgp->rib[afi][safi], (struct prefix *)prd); | |
1101 | if (prn->info) { | |
1102 | table = (struct bgp_table *)(prn->info); | |
1103 | ||
1104 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
1105 | bgp, prd, table, p, new); | |
1106 | } | |
1107 | bgp_unlock_node(prn); | |
1108 | encode_label(label_val, &bn->local_label); | |
1109 | } | |
1110 | ||
1111 | bgp_unlock_node(bn); | |
1112 | bgp_process(bgp, bn, afi, safi); | |
1113 | ||
1114 | vnc_zlog_debug_any( | |
1115 | "%s: Added route (safi=%s) at prefix %s (bn=%p, prd=%s)", | |
1116 | __func__, safi2str(safi), buf, bn, buf2); | |
65efcfce LB |
1117 | |
1118 | done: | |
d62a17ae | 1119 | /* Loop back to import tables */ |
1120 | rfapiProcessUpdate(rfd->peer, rfd, p, prd, new_attr, afi, safi, type, | |
1121 | sub_type, &label_val); | |
1122 | vnc_zlog_debug_verbose("%s: looped back import route (safi=%d)", | |
1123 | __func__, safi); | |
65efcfce LB |
1124 | } |
1125 | ||
d62a17ae | 1126 | uint32_t rfp_cost_to_localpref(uint8_t cost) |
65efcfce | 1127 | { |
d62a17ae | 1128 | return 255 - cost; |
65efcfce LB |
1129 | } |
1130 | ||
d62a17ae | 1131 | static void rfapiTunnelRouteAnnounce(struct bgp *bgp, |
1132 | struct rfapi_descriptor *rfd, | |
1133 | uint32_t *pLifetime) | |
65efcfce | 1134 | { |
d62a17ae | 1135 | struct prefix_rd prd; |
1136 | struct prefix pfx_vn; | |
1137 | int rc; | |
1138 | uint32_t local_pref = rfp_cost_to_localpref(0); | |
1139 | ||
1140 | rc = rfapiRaddr2Qprefix(&(rfd->vn_addr), &pfx_vn); | |
1141 | assert(!rc); | |
1142 | ||
1143 | /* | |
1144 | * Construct route distinguisher = 0 | |
1145 | */ | |
1146 | memset(&prd, 0, sizeof(prd)); | |
1147 | prd.family = AF_UNSPEC; | |
1148 | prd.prefixlen = 64; | |
1149 | ||
1150 | add_vnc_route(rfd, /* rfapi descr, for export list & backref */ | |
1151 | bgp, /* which bgp instance */ | |
1152 | SAFI_ENCAP, /* which SAFI */ | |
1153 | &pfx_vn, /* prefix to advertise */ | |
1154 | &prd, /* route distinguisher to use */ | |
1155 | &rfd->un_addr, /* nexthop */ | |
1156 | &local_pref, | |
1157 | pLifetime, /* max lifetime of child VPN routes */ | |
1158 | NULL, /* no rfp options for ENCAP safi */ | |
1159 | NULL, /* rfp un options */ | |
1160 | NULL, /* rfp vn options */ | |
1161 | rfd->rt_export_list, NULL, /* med */ | |
1162 | NULL, /* label: default */ | |
1163 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
65efcfce LB |
1164 | } |
1165 | ||
1166 | ||
1167 | /*********************************************************************** | |
1168 | * RFP processing behavior configuration | |
1169 | ***********************************************************************/ | |
1170 | ||
1171 | /*------------------------------------------ | |
1172 | * rfapi_rfp_set_configuration | |
1173 | * | |
d62a17ae | 1174 | * This is used to change rfapi's processing behavior based on |
1175 | * RFP requirements. | |
65efcfce | 1176 | * |
d62a17ae | 1177 | * input: |
65efcfce LB |
1178 | * rfp_start_val value returned by rfp_start |
1179 | * rfapi_rfp_cfg Pointer to configuration structure | |
1180 | * | |
1181 | * output: | |
1182 | * none | |
1183 | * | |
d62a17ae | 1184 | * return value: |
65efcfce LB |
1185 | * 0 Success |
1186 | * ENXIO Unabled to locate configured BGP/VNC | |
1187 | --------------------------------------------*/ | |
d62a17ae | 1188 | int rfapi_rfp_set_configuration(void *rfp_start_val, struct rfapi_rfp_cfg *new) |
65efcfce | 1189 | { |
d62a17ae | 1190 | struct rfapi_rfp_cfg *rcfg; |
1191 | struct bgp *bgp; | |
1192 | ||
1193 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1194 | ||
1195 | if (!new || !bgp || !bgp->rfapi_cfg) | |
1196 | return ENXIO; | |
1197 | ||
1198 | rcfg = &bgp->rfapi_cfg->rfp_cfg; | |
1199 | rcfg->download_type = new->download_type; | |
1200 | rcfg->ftd_advertisement_interval = new->ftd_advertisement_interval; | |
1201 | rcfg->holddown_factor = new->holddown_factor; | |
1202 | ||
1203 | if (rcfg->use_updated_response != new->use_updated_response) { | |
1204 | rcfg->use_updated_response = new->use_updated_response; | |
1205 | if (rcfg->use_updated_response) | |
1206 | rfapiMonitorCallbacksOn(bgp); | |
1207 | else | |
1208 | rfapiMonitorCallbacksOff(bgp); | |
1209 | } | |
1210 | if (rcfg->use_removes != new->use_removes) { | |
1211 | rcfg->use_removes = new->use_removes; | |
1212 | if (rcfg->use_removes) | |
1213 | rfapiMonitorResponseRemovalOn(bgp); | |
1214 | else | |
1215 | rfapiMonitorResponseRemovalOff(bgp); | |
1216 | } | |
1217 | return 0; | |
65efcfce LB |
1218 | } |
1219 | ||
1220 | /*------------------------------------------ | |
1221 | * rfapi_rfp_set_cb_methods | |
1222 | * | |
d62a17ae | 1223 | * Change registered callback functions for asynchronous notifications |
65efcfce LB |
1224 | * from RFAPI to the RFP client. |
1225 | * | |
d62a17ae | 1226 | * input: |
65efcfce LB |
1227 | * rfp_start_val value returned by rfp_start |
1228 | * methods Pointer to struct rfapi_rfp_cb_methods containing | |
1229 | * pointers to callback methods as described above | |
1230 | * | |
d62a17ae | 1231 | * return value: |
65efcfce LB |
1232 | * 0 Success |
1233 | * ENXIO BGP or VNC not configured | |
1234 | *------------------------------------------*/ | |
d62a17ae | 1235 | int rfapi_rfp_set_cb_methods(void *rfp_start_val, |
1236 | struct rfapi_rfp_cb_methods *methods) | |
65efcfce | 1237 | { |
d62a17ae | 1238 | struct rfapi *h; |
1239 | struct bgp *bgp; | |
65efcfce | 1240 | |
d62a17ae | 1241 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
1242 | if (!bgp) | |
1243 | return ENXIO; | |
65efcfce | 1244 | |
d62a17ae | 1245 | h = bgp->rfapi; |
1246 | if (!h) | |
1247 | return ENXIO; | |
65efcfce | 1248 | |
d62a17ae | 1249 | h->rfp_methods = *methods; |
65efcfce | 1250 | |
d62a17ae | 1251 | return 0; |
65efcfce LB |
1252 | } |
1253 | ||
1254 | /*********************************************************************** | |
1255 | * NVE Sessions | |
1256 | ***********************************************************************/ | |
65efcfce LB |
1257 | /* |
1258 | * Caller must supply an already-allocated rfd with the "caller" | |
1259 | * fields already set (vn_addr, un_addr, callback, cookie) | |
1260 | * The advertised_prefixes[] array elements should be NULL to | |
1261 | * have this function set them to newly-allocated radix trees. | |
1262 | */ | |
d62a17ae | 1263 | static int rfapi_open_inner(struct rfapi_descriptor *rfd, struct bgp *bgp, |
1264 | struct rfapi *h, struct rfapi_nve_group_cfg *rfg) | |
65efcfce | 1265 | { |
d62a17ae | 1266 | int ret; |
1267 | ||
1268 | if (h->flags & RFAPI_INCALLBACK) | |
1269 | return EDEADLK; | |
1270 | ||
1271 | /* | |
1272 | * Fill in configured fields | |
1273 | */ | |
1274 | ||
1275 | /* | |
1276 | * If group's RD is specified as "auto", then fill in based | |
1277 | * on NVE's VN address | |
1278 | */ | |
1279 | rfd->rd = rfg->rd; | |
1280 | ||
1281 | if (rfd->rd.family == AF_UNIX) { | |
1282 | ret = rfapi_set_autord_from_vn(&rfd->rd, &rfd->vn_addr); | |
1283 | if (ret != 0) | |
1284 | return ret; | |
1285 | } | |
1286 | rfd->rt_export_list = (rfg->rt_export_list) | |
1287 | ? ecommunity_dup(rfg->rt_export_list) | |
1288 | : NULL; | |
1289 | rfd->response_lifetime = rfg->response_lifetime; | |
1290 | rfd->rfg = rfg; | |
1291 | ||
1292 | /* | |
1293 | * Fill in BGP peer structure | |
1294 | */ | |
1295 | rfd->peer = peer_new(bgp); | |
1296 | rfd->peer->status = Established; /* keep bgp core happy */ | |
1297 | bgp_sync_delete(rfd->peer); /* don't need these */ | |
424ab01d | 1298 | |
becedef6 QY |
1299 | /* |
1300 | * since this peer is not on the I/O thread, this lock is not strictly | |
1301 | * necessary, but serves as a reminder to those who may meddle... | |
1302 | */ | |
424ab01d QY |
1303 | pthread_mutex_lock(&rfd->peer->io_mtx); |
1304 | { | |
1305 | // we don't need any I/O related facilities | |
1306 | if (rfd->peer->ibuf) | |
1307 | stream_fifo_free(rfd->peer->ibuf); | |
1308 | if (rfd->peer->obuf) | |
1309 | stream_fifo_free(rfd->peer->obuf); | |
1310 | ||
1311 | if (rfd->peer->ibuf_work) | |
74ffbfe6 | 1312 | ringbuf_del(rfd->peer->ibuf_work); |
424ab01d QY |
1313 | if (rfd->peer->obuf_work) |
1314 | stream_free(rfd->peer->obuf_work); | |
1315 | ||
d62a17ae | 1316 | rfd->peer->ibuf = NULL; |
d62a17ae | 1317 | rfd->peer->obuf = NULL; |
424ab01d QY |
1318 | rfd->peer->obuf_work = NULL; |
1319 | rfd->peer->ibuf_work = NULL; | |
d62a17ae | 1320 | } |
424ab01d QY |
1321 | pthread_mutex_unlock(&rfd->peer->io_mtx); |
1322 | ||
d62a17ae | 1323 | { /* base code assumes have valid host pointer */ |
1324 | char buf[BUFSIZ]; | |
1325 | buf[0] = 0; | |
1326 | ||
1327 | if (rfd->vn_addr.addr_family == AF_INET) { | |
1328 | inet_ntop(AF_INET, &rfd->vn_addr.addr.v4, buf, BUFSIZ); | |
1329 | } else if (rfd->vn_addr.addr_family == AF_INET6) { | |
1330 | inet_ntop(AF_INET6, &rfd->vn_addr.addr.v6, buf, BUFSIZ); | |
1331 | } | |
1332 | rfd->peer->host = XSTRDUP(MTYPE_BGP_PEER_HOST, buf); | |
1333 | } | |
1334 | /* Mark peer as belonging to HD */ | |
1335 | SET_FLAG(rfd->peer->flags, PEER_FLAG_IS_RFAPI_HD); | |
1336 | ||
1337 | /* | |
1338 | * Set min prefix lifetime to max value so it will get set | |
1339 | * upon first rfapi_register() | |
1340 | */ | |
1341 | rfd->min_prefix_lifetime = UINT32_MAX; | |
65efcfce | 1342 | |
d62a17ae | 1343 | /* |
1344 | * Allocate response tables if needed | |
1345 | */ | |
1346 | #define RFD_RTINIT_AFI(rh, ary, afi) \ | |
1347 | do { \ | |
1348 | if (!ary[afi]) { \ | |
1349 | ary[afi] = route_table_init(); \ | |
1350 | ary[afi]->info = rh; \ | |
1351 | } \ | |
1352 | } while (0) | |
1353 | ||
1354 | #define RFD_RTINIT(rh, ary) \ | |
1355 | do { \ | |
1356 | RFD_RTINIT_AFI(rh, ary, AFI_IP); \ | |
1357 | RFD_RTINIT_AFI(rh, ary, AFI_IP6); \ | |
1358 | RFD_RTINIT_AFI(rh, ary, AFI_L2VPN); \ | |
1359 | } while (0) | |
1360 | ||
1361 | RFD_RTINIT(rfd, rfd->rib); | |
1362 | RFD_RTINIT(rfd, rfd->rib_pending); | |
1363 | RFD_RTINIT(rfd, rfd->rsp_times); | |
1364 | ||
1365 | /* | |
1366 | * Link to Import Table | |
1367 | */ | |
1368 | rfd->import_table = rfg->rfapi_import_table; | |
1369 | rfd->import_table->refcount += 1; | |
1370 | ||
1371 | rfapiApInit(&rfd->advertised); | |
1372 | ||
1373 | /* | |
1374 | * add this NVE descriptor to the list of NVEs in the NVE group | |
1375 | */ | |
1376 | if (!rfg->nves) { | |
1377 | rfg->nves = list_new(); | |
1378 | } | |
1379 | listnode_add(rfg->nves, rfd); | |
1380 | ||
1381 | vnc_direct_bgp_add_nve(bgp, rfd); | |
1382 | vnc_zebra_add_nve(bgp, rfd); | |
1383 | ||
1384 | return 0; | |
1385 | } | |
65efcfce | 1386 | |
d62a17ae | 1387 | /* moved from rfapi_register */ |
1388 | int rfapi_init_and_open(struct bgp *bgp, struct rfapi_descriptor *rfd, | |
1389 | struct rfapi_nve_group_cfg *rfg) | |
1390 | { | |
1391 | struct rfapi *h = bgp->rfapi; | |
1392 | char buf_vn[BUFSIZ]; | |
1393 | char buf_un[BUFSIZ]; | |
1394 | afi_t afi_vn, afi_un; | |
1395 | struct prefix pfx_un; | |
1396 | struct route_node *rn; | |
1397 | ||
1398 | ||
1399 | rfapi_time(&rfd->open_time); | |
1400 | ||
1401 | if (rfg->type == RFAPI_GROUP_CFG_VRF) | |
1402 | SET_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF); | |
1403 | ||
1404 | rfapiRfapiIpAddr2Str(&rfd->vn_addr, buf_vn, BUFSIZ); | |
1405 | rfapiRfapiIpAddr2Str(&rfd->un_addr, buf_un, BUFSIZ); | |
1406 | ||
1407 | vnc_zlog_debug_verbose("%s: new RFD with VN=%s UN=%s cookie=%p", | |
1408 | __func__, buf_vn, buf_un, rfd->cookie); | |
1409 | ||
1410 | if (rfg->type != RFAPI_GROUP_CFG_VRF) /* unclear if needed for VRF */ | |
1411 | { | |
1412 | listnode_add(&h->descriptors, rfd); | |
1413 | if (h->descriptors.count > h->stat.max_descriptors) { | |
1414 | h->stat.max_descriptors = h->descriptors.count; | |
1415 | } | |
1416 | ||
1417 | /* | |
1418 | * attach to UN radix tree | |
1419 | */ | |
1420 | afi_vn = family2afi(rfd->vn_addr.addr_family); | |
1421 | afi_un = family2afi(rfd->un_addr.addr_family); | |
1422 | assert(afi_vn && afi_un); | |
1423 | assert(!rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un)); | |
1424 | ||
0ae6124f | 1425 | rn = route_node_get(h->un[afi_un], &pfx_un); |
d62a17ae | 1426 | assert(rn); |
1427 | rfd->next = rn->info; | |
1428 | rn->info = rfd; | |
1429 | rfd->un_node = rn; | |
1430 | } | |
1431 | return rfapi_open_inner(rfd, bgp, h, rfg); | |
1432 | } | |
65efcfce | 1433 | |
d62a17ae | 1434 | struct rfapi_vn_option *rfapiVnOptionsDup(struct rfapi_vn_option *orig) |
1435 | { | |
1436 | struct rfapi_vn_option *head = NULL; | |
1437 | struct rfapi_vn_option *tail = NULL; | |
1438 | struct rfapi_vn_option *vo = NULL; | |
1439 | ||
1440 | for (vo = orig; vo; vo = vo->next) { | |
1441 | struct rfapi_vn_option *new; | |
1442 | ||
1443 | new = XCALLOC(MTYPE_RFAPI_VN_OPTION, | |
1444 | sizeof(struct rfapi_vn_option)); | |
1445 | memcpy(new, vo, sizeof(struct rfapi_vn_option)); | |
1446 | new->next = NULL; | |
1447 | ||
1448 | if (tail) { | |
1449 | tail->next = new; | |
1450 | } else { | |
1451 | head = tail = new; | |
1452 | } | |
1453 | } | |
1454 | return head; | |
1455 | } | |
65efcfce | 1456 | |
d62a17ae | 1457 | struct rfapi_un_option *rfapiUnOptionsDup(struct rfapi_un_option *orig) |
1458 | { | |
1459 | struct rfapi_un_option *head = NULL; | |
1460 | struct rfapi_un_option *tail = NULL; | |
1461 | struct rfapi_un_option *uo = NULL; | |
1462 | ||
1463 | for (uo = orig; uo; uo = uo->next) { | |
1464 | struct rfapi_un_option *new; | |
1465 | ||
1466 | new = XCALLOC(MTYPE_RFAPI_UN_OPTION, | |
1467 | sizeof(struct rfapi_un_option)); | |
1468 | memcpy(new, uo, sizeof(struct rfapi_un_option)); | |
1469 | new->next = NULL; | |
1470 | ||
1471 | if (tail) { | |
1472 | tail->next = new; | |
1473 | } else { | |
1474 | head = tail = new; | |
1475 | } | |
1476 | } | |
1477 | return head; | |
1478 | } | |
65efcfce | 1479 | |
d62a17ae | 1480 | struct bgp_tea_options *rfapiOptionsDup(struct bgp_tea_options *orig) |
5ff06872 | 1481 | { |
d62a17ae | 1482 | struct bgp_tea_options *head = NULL; |
1483 | struct bgp_tea_options *tail = NULL; | |
1484 | struct bgp_tea_options *hop = NULL; | |
1485 | ||
1486 | for (hop = orig; hop; hop = hop->next) { | |
1487 | struct bgp_tea_options *new; | |
1488 | ||
1489 | new = XCALLOC(MTYPE_BGP_TEA_OPTIONS, | |
1490 | sizeof(struct bgp_tea_options)); | |
1491 | memcpy(new, hop, sizeof(struct bgp_tea_options)); | |
1492 | new->next = NULL; | |
1493 | if (hop->value) { | |
1494 | new->value = XCALLOC(MTYPE_BGP_TEA_OPTIONS_VALUE, | |
1495 | hop->length); | |
1496 | memcpy(new->value, hop->value, hop->length); | |
1497 | } | |
1498 | if (tail) { | |
1499 | tail->next = new; | |
1500 | } else { | |
1501 | head = tail = new; | |
1502 | } | |
1503 | } | |
1504 | return head; | |
5ff06872 LB |
1505 | } |
1506 | ||
d62a17ae | 1507 | void rfapiFreeBgpTeaOptionChain(struct bgp_tea_options *p) |
65efcfce | 1508 | { |
d62a17ae | 1509 | struct bgp_tea_options *next; |
65efcfce | 1510 | |
d62a17ae | 1511 | while (p) { |
1512 | next = p->next; | |
65efcfce | 1513 | |
d62a17ae | 1514 | if (p->value) { |
1515 | XFREE(MTYPE_BGP_TEA_OPTIONS_VALUE, p->value); | |
1516 | p->value = NULL; | |
1517 | } | |
1518 | XFREE(MTYPE_BGP_TEA_OPTIONS, p); | |
65efcfce | 1519 | |
d62a17ae | 1520 | p = next; |
1521 | } | |
65efcfce LB |
1522 | } |
1523 | ||
d62a17ae | 1524 | void rfapiAdbFree(struct rfapi_adb *adb) |
65efcfce | 1525 | { |
d62a17ae | 1526 | XFREE(MTYPE_RFAPI_ADB, adb); |
65efcfce LB |
1527 | } |
1528 | ||
1529 | static int | |
d62a17ae | 1530 | rfapi_query_inner(void *handle, struct rfapi_ip_addr *target, |
1531 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
1532 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 1533 | { |
d62a17ae | 1534 | afi_t afi; |
1535 | struct prefix p; | |
1536 | struct prefix p_original; | |
1537 | struct route_node *rn; | |
1538 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; | |
1539 | struct bgp *bgp = rfd->bgp; | |
1540 | struct rfapi_next_hop_entry *pNHE = NULL; | |
1541 | struct rfapi_ip_addr *self_vn_addr = NULL; | |
1542 | int eth_is_0 = 0; | |
1543 | int use_eth_resolution = 0; | |
1544 | struct rfapi_next_hop_entry *i_nhe; | |
1545 | ||
1546 | /* preemptive */ | |
1547 | if (!bgp) { | |
1548 | vnc_zlog_debug_verbose("%s: No BGP instance, returning ENXIO", | |
1549 | __func__); | |
1550 | return ENXIO; | |
1551 | } | |
1552 | if (!bgp->rfapi) { | |
1553 | vnc_zlog_debug_verbose("%s: No RFAPI instance, returning ENXIO", | |
1554 | __func__); | |
1555 | return ENXIO; | |
1556 | } | |
1557 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
1558 | vnc_zlog_debug_verbose( | |
1559 | "%s: Called during calback, returning EDEADLK", | |
1560 | __func__); | |
1561 | return EDEADLK; | |
1562 | } | |
1563 | ||
1564 | if (!is_valid_rfd(rfd)) { | |
1565 | vnc_zlog_debug_verbose("%s: invalid handle, returning EBADF", | |
1566 | __func__); | |
1567 | return EBADF; | |
1568 | } | |
1569 | ||
1570 | rfd->rsp_counter++; /* dedup: identify this generation */ | |
1571 | rfd->rsp_time = rfapi_time(NULL); /* response content dedup */ | |
1572 | rfd->ftd_last_allowed_time = | |
1573 | bgp_clock() | |
1574 | - bgp->rfapi_cfg->rfp_cfg.ftd_advertisement_interval; | |
1575 | ||
1576 | if (l2o) { | |
1577 | if (!memcmp(l2o->macaddr.octet, rfapi_ethaddr0.octet, | |
28328ea9 | 1578 | ETH_ALEN)) { |
d62a17ae | 1579 | eth_is_0 = 1; |
1580 | } | |
1581 | /* per t/c Paul/Lou 151022 */ | |
1582 | if (!eth_is_0 || l2o->logical_net_id) { | |
1583 | use_eth_resolution = 1; | |
1584 | } | |
1585 | } | |
1586 | ||
1587 | if (ppNextHopEntry) | |
1588 | *ppNextHopEntry = NULL; | |
1589 | ||
1590 | /* | |
1591 | * Save original target in prefix form. In case of L2-based queries, | |
1592 | * p_original will be modified to reflect the L2 target | |
1593 | */ | |
1594 | assert(!rfapiRaddr2Qprefix(target, &p_original)); | |
1595 | ||
1596 | if (bgp->rfapi_cfg->rfp_cfg.download_type == RFAPI_RFP_DOWNLOAD_FULL) { | |
1597 | /* convert query to 0/0 when full-table download is enabled */ | |
1598 | memset((char *)&p, 0, sizeof(p)); | |
1599 | p.family = target->addr_family; | |
1600 | } else { | |
1601 | p = p_original; | |
1602 | } | |
1603 | ||
1604 | { | |
872ed4c7 | 1605 | char buf[PREFIX_STRLEN]; |
d62a17ae | 1606 | char *s; |
1607 | ||
872ed4c7 | 1608 | prefix2str(&p, buf, sizeof(buf)); |
d62a17ae | 1609 | vnc_zlog_debug_verbose("%s(rfd=%p, target=%s, ppNextHop=%p)", |
1610 | __func__, rfd, buf, ppNextHopEntry); | |
1611 | ||
1612 | s = ecommunity_ecom2str(rfd->import_table->rt_import_list, | |
1613 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
1614 | vnc_zlog_debug_verbose( | |
1615 | "%s rfd->import_table=%p, rfd->import_table->rt_import_list: %s", | |
1616 | __func__, rfd->import_table, s); | |
1617 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
1618 | } | |
1619 | ||
1620 | afi = family2afi(p.family); | |
1621 | assert(afi); | |
1622 | ||
1623 | if (CHECK_FLAG(bgp->rfapi_cfg->flags, | |
1624 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP)) { | |
1625 | self_vn_addr = &rfd->vn_addr; | |
1626 | } | |
1627 | ||
1628 | if (use_eth_resolution) { | |
1629 | uint32_t logical_net_id = l2o->logical_net_id; | |
1630 | struct ecommunity *l2com; | |
1631 | ||
1632 | /* | |
1633 | * fix up p_original to contain L2 address | |
1634 | */ | |
1635 | rfapiL2o2Qprefix(l2o, &p_original); | |
1636 | ||
1637 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
1638 | bgp, 1, logical_net_id, l2o->label); | |
1639 | if (l2com) { | |
1640 | uint8_t *v = l2com->val; | |
1641 | logical_net_id = (v[5] << 16) + (v[6] << 8) + (v[7]); | |
1642 | } | |
1643 | /* | |
1644 | * Ethernet/L2-based lookup | |
1645 | * | |
1646 | * Always returns IT node corresponding to route | |
1647 | */ | |
1648 | ||
1649 | if (RFAPI_RFP_DOWNLOAD_FULL | |
1650 | == bgp->rfapi_cfg->rfp_cfg.download_type) { | |
1651 | eth_is_0 = 1; | |
1652 | } | |
1653 | ||
1654 | rn = rfapiMonitorEthAdd( | |
1655 | bgp, rfd, (eth_is_0 ? &rfapi_ethaddr0 : &l2o->macaddr), | |
1656 | logical_net_id); | |
1657 | ||
1658 | if (eth_is_0) { | |
1659 | struct rfapi_ip_prefix rprefix; | |
1660 | ||
1661 | memset(&rprefix, 0, sizeof(rprefix)); | |
1662 | rprefix.prefix.addr_family = target->addr_family; | |
1663 | if (target->addr_family == AF_INET) { | |
1664 | rprefix.length = 32; | |
1665 | } else { | |
1666 | rprefix.length = 128; | |
1667 | } | |
1668 | ||
1669 | pNHE = rfapiEthRouteTable2NextHopList( | |
1670 | logical_net_id, &rprefix, | |
1671 | rfd->response_lifetime, self_vn_addr, | |
1672 | rfd->rib[afi], &p_original); | |
1673 | goto done; | |
1674 | } | |
1675 | ||
1676 | } else { | |
1677 | ||
1678 | /* | |
1679 | * IP-based lookup | |
1680 | */ | |
1681 | ||
1682 | rn = rfapiMonitorAdd(bgp, rfd, &p); | |
1683 | ||
1684 | /* | |
1685 | * If target address is 0, this request is special: means to | |
1686 | * return ALL routes in the table | |
1687 | * | |
1688 | * Monitors for All-Routes queries get put on a special list, | |
1689 | * not in the VPN tree | |
1690 | */ | |
1691 | if (RFAPI_0_PREFIX(&p)) { | |
1692 | ||
1693 | vnc_zlog_debug_verbose("%s: 0-prefix", __func__); | |
1694 | ||
1695 | /* | |
1696 | * Generate nexthop list for caller | |
1697 | */ | |
1698 | pNHE = rfapiRouteTable2NextHopList( | |
1699 | rfd->import_table->imported_vpn[afi], | |
1700 | rfd->response_lifetime, self_vn_addr, | |
1701 | rfd->rib[afi], &p_original); | |
1702 | goto done; | |
1703 | } | |
1704 | ||
1705 | if (rn) { | |
1706 | route_lock_node(rn); /* so we can unlock below */ | |
1707 | } else { | |
1708 | /* | |
1709 | * returns locked node. Don't unlock yet because the | |
1710 | * unlock | |
1711 | * might free it before we're done with it. This | |
1712 | * situation | |
1713 | * could occur when rfapiMonitorGetAttachNode() returns | |
1714 | * a | |
1715 | * newly-created default node. | |
1716 | */ | |
1717 | rn = rfapiMonitorGetAttachNode(rfd, &p); | |
1718 | } | |
1719 | } | |
1720 | ||
1721 | assert(rn); | |
1722 | if (!rn->info) { | |
1723 | route_unlock_node(rn); | |
1724 | vnc_zlog_debug_verbose( | |
1725 | "%s: VPN route not found, returning ENOENT", __func__); | |
1726 | return ENOENT; | |
1727 | } | |
1728 | ||
1729 | if (VNC_DEBUG(RFAPI_QUERY)) { | |
1730 | rfapiShowImportTable(NULL, "query", | |
1731 | rfd->import_table->imported_vpn[afi], 1); | |
1732 | } | |
1733 | ||
1734 | if (use_eth_resolution) { | |
1735 | ||
1736 | struct rfapi_ip_prefix rprefix; | |
1737 | ||
1738 | memset(&rprefix, 0, sizeof(rprefix)); | |
1739 | rprefix.prefix.addr_family = target->addr_family; | |
1740 | if (target->addr_family == AF_INET) { | |
1741 | rprefix.length = 32; | |
1742 | } else { | |
1743 | rprefix.length = 128; | |
1744 | } | |
1745 | ||
1746 | pNHE = rfapiEthRouteNode2NextHopList( | |
1747 | rn, &rprefix, rfd->response_lifetime, self_vn_addr, | |
1748 | rfd->rib[afi], &p_original); | |
1749 | ||
1750 | ||
1751 | } else { | |
1752 | /* | |
1753 | * Generate answer to query | |
1754 | */ | |
1755 | pNHE = rfapiRouteNode2NextHopList(rn, rfd->response_lifetime, | |
1756 | self_vn_addr, rfd->rib[afi], | |
1757 | &p_original); | |
1758 | } | |
1759 | ||
1760 | route_unlock_node(rn); | |
65efcfce LB |
1761 | |
1762 | done: | |
d62a17ae | 1763 | if (ppNextHopEntry) { |
1764 | /* only count if caller gets it */ | |
1765 | ++bgp->rfapi->response_immediate_count; | |
1766 | } | |
1767 | ||
1768 | if (!pNHE) { | |
1769 | vnc_zlog_debug_verbose("%s: NO NHEs, returning ENOENT", | |
1770 | __func__); | |
1771 | return ENOENT; | |
1772 | } | |
1773 | ||
1774 | /* | |
1775 | * count nexthops for statistics | |
1776 | */ | |
1777 | for (i_nhe = pNHE; i_nhe; i_nhe = i_nhe->next) { | |
1778 | ++rfd->stat_count_nh_reachable; | |
1779 | } | |
1780 | ||
1781 | if (ppNextHopEntry) { | |
1782 | *ppNextHopEntry = pNHE; | |
1783 | } else { | |
1784 | rfapi_free_next_hop_list(pNHE); | |
1785 | } | |
1786 | ||
1787 | vnc_zlog_debug_verbose("%s: success", __func__); | |
1788 | return 0; | |
65efcfce LB |
1789 | } |
1790 | ||
1791 | /* | |
1792 | * support on-the-fly reassignment of an already-open nve to a new | |
1793 | * nve-group in the event that its original nve-group is | |
1794 | * administratively deleted. | |
1795 | */ | |
d62a17ae | 1796 | static int rfapi_open_rfd(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 1797 | { |
d62a17ae | 1798 | struct prefix pfx_vn; |
1799 | struct prefix pfx_un; | |
1800 | struct rfapi_nve_group_cfg *rfg; | |
1801 | struct rfapi *h; | |
1802 | struct rfapi_cfg *hc; | |
1803 | int rc; | |
1804 | ||
1805 | h = bgp->rfapi; | |
1806 | if (!h) | |
1807 | return ENXIO; | |
1808 | ||
1809 | hc = bgp->rfapi_cfg; | |
1810 | if (!hc) | |
1811 | return ENXIO; | |
1812 | ||
1813 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
1814 | assert(!rc); | |
1815 | ||
1816 | rc = rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un); | |
1817 | assert(!rc); | |
1818 | ||
1819 | /* | |
1820 | * Find the matching nve group config block | |
1821 | */ | |
1822 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1823 | if (!rfg) { | |
1824 | return ENOENT; | |
1825 | } | |
1826 | ||
1827 | /* | |
1828 | * check nve group config block for required values | |
1829 | */ | |
1830 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1831 | ||
1832 | return ENOMSG; | |
1833 | } | |
1834 | ||
1835 | rc = rfapi_open_inner(rfd, bgp, h, rfg); | |
1836 | if (rc) { | |
1837 | return rc; | |
1838 | } | |
1839 | ||
1840 | /* | |
1841 | * re-advertise registered routes, this time as part of new NVE-group | |
1842 | */ | |
1843 | rfapiApReadvertiseAll(bgp, rfd); | |
1844 | ||
1845 | /* | |
1846 | * re-attach callbacks to import table | |
1847 | */ | |
1848 | if (!(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_CALLBACK_DISABLE)) { | |
1849 | rfapiMonitorAttachImportHd(rfd); | |
1850 | } | |
1851 | ||
1852 | return 0; | |
65efcfce LB |
1853 | } |
1854 | ||
1855 | /*------------------------------------------ | |
1856 | * rfapi_open | |
1857 | * | |
1858 | * This function initializes a NVE record and associates it with | |
1859 | * the specified VN and underlay network addresses | |
1860 | * | |
d62a17ae | 1861 | * input: |
65efcfce LB |
1862 | * rfp_start_val value returned by rfp_start |
1863 | * vn NVE virtual network address | |
1864 | * | |
1865 | * un NVE underlay network address | |
1866 | * | |
1867 | * default_options Default options to use on registrations. | |
1868 | * For now only tunnel type is supported. | |
1869 | * May be overridden per-prefix in rfapi_register(). | |
1870 | * Caller owns (rfapi_open() does not free) | |
1871 | * | |
1872 | * response_cb Pointer to next hop list update callback function or | |
1873 | * NULL when no callbacks are desired. | |
1874 | * | |
1875 | * userdata Passed to subsequent response_cb invocations. | |
1876 | * | |
1877 | * output: | |
1878 | * response_lifetime The length of time that responses sent to this | |
d62a17ae | 1879 | * NVE are valid. |
65efcfce LB |
1880 | * |
1881 | * pHandle pointer to location to store rfapi handle. The | |
1882 | * handle must be passed on subsequent rfapi_ calls. | |
1883 | * | |
1884 | * | |
d62a17ae | 1885 | * return value: |
65efcfce LB |
1886 | * 0 Success |
1887 | * EEXIST NVE with this {vn,un} already open | |
1888 | * ENOENT No matching nve group config | |
1889 | * ENOMSG Matched nve group config was incomplete | |
1890 | * ENXIO BGP or VNC not configured | |
1891 | * EAFNOSUPPORT Matched nve group specifies auto-assignment of RD, | |
1892 | * but underlay network address is not IPv4 | |
1893 | * EDEADLK Called from within a callback procedure | |
1894 | *------------------------------------------*/ | |
d62a17ae | 1895 | int rfapi_open(void *rfp_start_val, struct rfapi_ip_addr *vn, |
1896 | struct rfapi_ip_addr *un, | |
1897 | struct rfapi_un_option *default_options, | |
1898 | uint32_t *response_lifetime, | |
1899 | void *userdata, /* callback cookie */ | |
1900 | rfapi_handle *pHandle) | |
65efcfce | 1901 | { |
d62a17ae | 1902 | struct bgp *bgp; |
1903 | struct rfapi *h; | |
1904 | struct rfapi_descriptor *rfd; | |
1905 | struct rfapi_cfg *hc; | |
1906 | struct rfapi_nve_group_cfg *rfg; | |
1907 | ||
1908 | struct prefix pfx_vn; | |
1909 | struct prefix pfx_un; | |
1910 | ||
1911 | int rc; | |
1912 | rfapi_handle hh = NULL; | |
1913 | int reusing_provisional = 0; | |
1914 | ||
1915 | { | |
1916 | char buf[2][INET_ADDRSTRLEN]; | |
1917 | vnc_zlog_debug_verbose( | |
1918 | "%s: VN=%s UN=%s", __func__, | |
1919 | rfapiRfapiIpAddr2Str(vn, buf[0], INET_ADDRSTRLEN), | |
1920 | rfapiRfapiIpAddr2Str(un, buf[1], INET_ADDRSTRLEN)); | |
1921 | } | |
1922 | ||
1923 | assert(pHandle); | |
1924 | *pHandle = NULL; | |
1925 | ||
1926 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1927 | if (!bgp) | |
1928 | return ENXIO; | |
1929 | ||
1930 | h = bgp->rfapi; | |
1931 | if (!h) | |
1932 | return ENXIO; | |
1933 | ||
1934 | hc = bgp->rfapi_cfg; | |
1935 | if (!hc) | |
1936 | return ENXIO; | |
1937 | ||
1938 | if (h->flags & RFAPI_INCALLBACK) | |
1939 | return EDEADLK; | |
1940 | ||
1941 | rc = rfapiRaddr2Qprefix(vn, &pfx_vn); | |
1942 | assert(!rc); | |
1943 | ||
1944 | rc = rfapiRaddr2Qprefix(un, &pfx_un); | |
1945 | assert(!rc); | |
1946 | ||
1947 | /* | |
1948 | * already have a descriptor with VN and UN? | |
1949 | */ | |
1950 | if (!rfapi_find_handle(bgp, vn, un, &hh)) { | |
1951 | /* | |
1952 | * we might have set up a handle for static routes before | |
1953 | * this NVE was opened. In that case, reuse the handle | |
1954 | */ | |
1955 | rfd = hh; | |
1956 | if (!CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_PROVISIONAL)) { | |
1957 | return EEXIST; | |
1958 | } | |
1959 | ||
1960 | /* | |
1961 | * reuse provisional descriptor | |
1962 | * hh is not NULL | |
1963 | */ | |
1964 | reusing_provisional = 1; | |
1965 | } | |
1966 | ||
1967 | /* | |
1968 | * Find the matching nve group config block | |
1969 | */ | |
1970 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1971 | if (!rfg) { | |
1972 | ++h->stat.count_unknown_nves; | |
1973 | { | |
1974 | char buf[2][INET_ADDRSTRLEN]; | |
1975 | zlog_notice("%s: no matching group VN=%s UN=%s", | |
1976 | __func__, | |
1977 | rfapiRfapiIpAddr2Str(vn, buf[0], | |
1978 | INET_ADDRSTRLEN), | |
1979 | rfapiRfapiIpAddr2Str(un, buf[1], | |
1980 | INET_ADDRSTRLEN)); | |
1981 | } | |
1982 | return ENOENT; | |
1983 | } | |
1984 | ||
1985 | /* | |
1986 | * check nve group config block for required values | |
1987 | */ | |
1988 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1989 | ||
1990 | ++h->stat.count_unknown_nves; | |
1991 | return ENOMSG; | |
1992 | } | |
1993 | ||
1994 | /* | |
1995 | * If group config specifies auto-rd assignment, check that | |
1996 | * VN address is IPv4|v6 so we don't fail in rfapi_open_inner(). | |
1997 | * Check here so we don't need to unwind memory allocations, &c. | |
1998 | */ | |
1999 | if ((rfg->rd.family == AF_UNIX) && (vn->addr_family != AF_INET) | |
2000 | && (vn->addr_family != AF_INET6)) { | |
2001 | return EAFNOSUPPORT; | |
2002 | } | |
2003 | ||
2004 | if (hh) { | |
2005 | /* | |
2006 | * reusing provisional rfd | |
2007 | */ | |
2008 | rfd = hh; | |
2009 | } else { | |
2010 | rfd = XCALLOC(MTYPE_RFAPI_DESC, | |
2011 | sizeof(struct rfapi_descriptor)); | |
2012 | } | |
2013 | assert(rfd); | |
2014 | ||
2015 | rfd->bgp = bgp; | |
2016 | if (default_options) { | |
2017 | struct rfapi_un_option *p; | |
2018 | ||
2019 | for (p = default_options; p; p = p->next) { | |
2020 | if ((RFAPI_UN_OPTION_TYPE_PROVISIONAL == p->type)) { | |
2021 | rfd->flags |= RFAPI_HD_FLAG_PROVISIONAL; | |
2022 | } | |
2023 | if ((RFAPI_UN_OPTION_TYPE_TUNNELTYPE == p->type)) { | |
2024 | rfd->default_tunneltype_option = p->v.tunnel; | |
2025 | } | |
2026 | } | |
2027 | } | |
2028 | ||
2029 | /* | |
2030 | * Fill in caller fields | |
2031 | */ | |
2032 | rfd->vn_addr = *vn; | |
2033 | rfd->un_addr = *un; | |
2034 | rfd->cookie = userdata; | |
2035 | ||
2036 | if (!reusing_provisional) { | |
2037 | rc = rfapi_init_and_open(bgp, rfd, rfg); | |
2038 | /* | |
2039 | * This can fail only if the VN address is IPv6 and the group | |
2040 | * specified auto-assignment of RDs, which only works for v4, | |
2041 | * and the check above should catch it. | |
2042 | * | |
2043 | * Another failure possibility is that we were called | |
2044 | * during an rfapi callback. Also checked above. | |
2045 | */ | |
2046 | assert(!rc); | |
2047 | } | |
2048 | ||
2049 | if (response_lifetime) | |
2050 | *response_lifetime = rfd->response_lifetime; | |
2051 | *pHandle = rfd; | |
2052 | return 0; | |
65efcfce LB |
2053 | } |
2054 | ||
2055 | /* | |
2056 | * For use with debug functions | |
2057 | */ | |
d62a17ae | 2058 | static int rfapi_set_response_cb(struct rfapi_descriptor *rfd, |
2059 | rfapi_response_cb_t *response_cb) | |
65efcfce | 2060 | { |
d62a17ae | 2061 | if (!is_valid_rfd(rfd)) |
2062 | return EBADF; | |
2063 | rfd->response_cb = response_cb; | |
2064 | return 0; | |
65efcfce LB |
2065 | } |
2066 | ||
2067 | /* | |
d62a17ae | 2068 | * rfapi_close_inner |
2069 | * | |
2070 | * Does almost all the work of rfapi_close, except: | |
2071 | * 1. preserves the descriptor (doesn't free it) | |
2072 | * 2. preserves the prefix query list (i.e., rfd->mon list) | |
2073 | * 3. preserves the advertised prefix list (rfd->advertised) | |
2074 | * 4. preserves the rib and rib_pending tables | |
2075 | * | |
2076 | * The purpose of organizing it this way is to support on-the-fly | |
2077 | * reassignment of an already-open nve to a new nve-group in the | |
2078 | * event that its original nve-group is administratively deleted. | |
2079 | */ | |
2080 | static int rfapi_close_inner(struct rfapi_descriptor *rfd, struct bgp *bgp) | |
2081 | { | |
2082 | int rc; | |
2083 | struct prefix pfx_vn; | |
2084 | struct prefix_rd prd; /* currently always 0 for VN->UN */ | |
2085 | ||
2086 | if (!is_valid_rfd(rfd)) | |
2087 | return EBADF; | |
2088 | ||
2089 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
2090 | assert(!rc); /* should never have bad AF in stored vn address */ | |
2091 | ||
2092 | /* | |
2093 | * update exported routes to reflect disappearance of this NVE as | |
2094 | * nexthop | |
2095 | */ | |
2096 | vnc_direct_bgp_del_nve(bgp, rfd); | |
2097 | vnc_zebra_del_nve(bgp, rfd); | |
2098 | ||
2099 | /* | |
2100 | * unlink this HD's monitors from import table | |
2101 | */ | |
2102 | rfapiMonitorDetachImportHd(rfd); | |
2103 | ||
2104 | /* | |
2105 | * Unlink from Import Table | |
2106 | * NB rfd->import_table will be NULL if we are closing a stale | |
2107 | * descriptor | |
2108 | */ | |
2109 | if (rfd->import_table) | |
2110 | rfapiImportTableRefDelByIt(bgp, rfd->import_table); | |
2111 | rfd->import_table = NULL; | |
2112 | ||
2113 | /* | |
2114 | * Construct route distinguisher | |
2115 | */ | |
2116 | memset(&prd, 0, sizeof(prd)); | |
2117 | prd = rfd->rd; | |
2118 | prd.family = AF_UNSPEC; | |
2119 | prd.prefixlen = 64; | |
2120 | ||
2121 | /* | |
2122 | * withdraw tunnel | |
2123 | */ | |
2124 | del_vnc_route(rfd, rfd->peer, bgp, SAFI_ENCAP, | |
2125 | &pfx_vn, /* prefix being advertised */ | |
2126 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2127 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, 0); /* no kill */ | |
2128 | ||
2129 | /* | |
2130 | * Construct route distinguisher for VPN routes | |
2131 | */ | |
2132 | prd = rfd->rd; | |
2133 | prd.family = AF_UNSPEC; | |
2134 | prd.prefixlen = 64; | |
2135 | ||
2136 | /* | |
2137 | * find all VPN routes associated with this rfd and delete them, too | |
2138 | */ | |
2139 | rfapiApWithdrawAll(bgp, rfd); | |
2140 | ||
2141 | /* | |
2142 | * remove this nve descriptor from the list of nves | |
2143 | * associated with the nve group | |
2144 | */ | |
2145 | if (rfd->rfg) { | |
2146 | listnode_delete(rfd->rfg->nves, rfd); | |
2147 | rfd->rfg = NULL; /* XXX mark as orphaned/stale */ | |
2148 | } | |
2149 | ||
2150 | if (rfd->rt_export_list) | |
2151 | ecommunity_free(&rfd->rt_export_list); | |
2152 | rfd->rt_export_list = NULL; | |
2153 | ||
2154 | /* | |
2155 | * free peer structure (possibly delayed until its | |
2156 | * refcount reaches zero) | |
2157 | */ | |
2158 | if (rfd->peer) { | |
2159 | vnc_zlog_debug_verbose("%s: calling peer_delete(%p), #%d", | |
2160 | __func__, rfd->peer, rfd->peer->lock); | |
2161 | peer_delete(rfd->peer); | |
2162 | } | |
2163 | rfd->peer = NULL; | |
2164 | ||
2165 | return 0; | |
65efcfce LB |
2166 | } |
2167 | ||
d62a17ae | 2168 | int rfapi_close(void *handle) |
65efcfce | 2169 | { |
d62a17ae | 2170 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2171 | int rc; | |
2172 | struct route_node *node; | |
2173 | struct bgp *bgp; | |
2174 | struct rfapi *h; | |
65efcfce | 2175 | |
d62a17ae | 2176 | vnc_zlog_debug_verbose("%s: rfd=%p", __func__, rfd); |
65efcfce LB |
2177 | |
2178 | #if RFAPI_WHO_IS_CALLING_ME | |
2179 | #ifdef HAVE_GLIBC_BACKTRACE | |
2180 | #define RFAPI_DEBUG_BACKTRACE_NENTRIES 5 | |
d62a17ae | 2181 | { |
2182 | void *buf[RFAPI_DEBUG_BACKTRACE_NENTRIES]; | |
2183 | char **syms; | |
2184 | int i; | |
2185 | size_t size; | |
2186 | ||
2187 | size = backtrace(buf, RFAPI_DEBUG_BACKTRACE_NENTRIES); | |
2188 | syms = backtrace_symbols(buf, size); | |
2189 | for (i = 0; i < size && i < RFAPI_DEBUG_BACKTRACE_NENTRIES; | |
2190 | ++i) { | |
2191 | vnc_zlog_debug_verbose("backtrace[%2d]: %s", i, | |
2192 | syms[i]); | |
2193 | } | |
2194 | free(syms); | |
2195 | } | |
65efcfce LB |
2196 | #endif |
2197 | #endif | |
2198 | ||
d62a17ae | 2199 | bgp = rfd->bgp; |
2200 | if (!bgp) | |
2201 | return ENXIO; | |
2202 | ||
2203 | h = bgp->rfapi; | |
2204 | if (!h) | |
2205 | return ENXIO; | |
2206 | ||
2207 | if (!is_valid_rfd(rfd)) | |
2208 | return EBADF; | |
2209 | ||
2210 | if (h->flags & RFAPI_INCALLBACK) { | |
2211 | /* | |
2212 | * Queue these close requests for processing after callback | |
2213 | * is finished | |
2214 | */ | |
2215 | if (!CHECK_FLAG(rfd->flags, | |
2216 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2217 | work_queue_add(h->deferred_close_q, handle); | |
2218 | vnc_zlog_debug_verbose( | |
2219 | "%s: added handle %p to deferred close queue", | |
2220 | __func__, handle); | |
2221 | } | |
2222 | return 0; | |
2223 | } | |
2224 | ||
2225 | if (CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2226 | ||
2227 | vnc_zlog_debug_verbose("%s administrative close rfd=%p", | |
2228 | __func__, rfd); | |
2229 | ||
2230 | if (h && h->rfp_methods.close_cb) { | |
2231 | vnc_zlog_debug_verbose( | |
2232 | "%s calling close callback rfd=%p", __func__, | |
2233 | rfd); | |
2234 | ||
2235 | /* | |
2236 | * call the callback fairly early so that it can still | |
2237 | * lookup un/vn | |
2238 | * from handle, etc. | |
2239 | * | |
2240 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2241 | * this point | |
2242 | * we are not already in the context of a callback. | |
2243 | */ | |
2244 | h->flags |= RFAPI_INCALLBACK; | |
2245 | (*h->rfp_methods.close_cb)(handle, EIDRM); | |
2246 | h->flags &= ~RFAPI_INCALLBACK; | |
2247 | } | |
2248 | } | |
2249 | ||
2250 | if (rfd->rfg) { | |
2251 | /* | |
2252 | * Orphaned descriptors have already done this part, so do | |
2253 | * only for non-orphaned descriptors. | |
2254 | */ | |
2255 | if ((rc = rfapi_close_inner(rfd, bgp))) | |
2256 | return rc; | |
2257 | } | |
2258 | ||
2259 | /* | |
2260 | * Remove descriptor from UN index | |
2261 | * (remove from chain at node) | |
2262 | */ | |
2263 | rc = rfapi_find_node(bgp, &rfd->vn_addr, &rfd->un_addr, &node); | |
2264 | if (!rc) { | |
2265 | struct rfapi_descriptor *hh; | |
2266 | ||
2267 | if (node->info == rfd) { | |
2268 | node->info = rfd->next; | |
2269 | } else { | |
2270 | ||
2271 | for (hh = node->info; hh; hh = hh->next) { | |
2272 | if (hh->next == rfd) { | |
2273 | hh->next = rfd->next; | |
2274 | break; | |
2275 | } | |
2276 | } | |
2277 | } | |
2278 | route_unlock_node(node); | |
2279 | } | |
2280 | ||
2281 | /* | |
2282 | * remove from descriptor list | |
2283 | */ | |
2284 | listnode_delete(&h->descriptors, rfd); | |
2285 | ||
2286 | /* | |
2287 | * Delete monitor list items and free monitor structures | |
2288 | */ | |
2289 | (void)rfapiMonitorDelHd(rfd); | |
2290 | ||
2291 | /* | |
2292 | * release advertised prefix data | |
2293 | */ | |
2294 | rfapiApRelease(&rfd->advertised); | |
2295 | ||
2296 | /* | |
2297 | * Release RFP callback RIB | |
2298 | */ | |
2299 | rfapiRibFree(rfd); | |
2300 | ||
2301 | /* | |
2302 | * free descriptor | |
2303 | */ | |
2304 | memset(rfd, 0, sizeof(struct rfapi_descriptor)); | |
2305 | XFREE(MTYPE_RFAPI_DESC, rfd); | |
2306 | ||
2307 | return 0; | |
65efcfce LB |
2308 | } |
2309 | ||
2310 | /* | |
2311 | * Reopen a nve descriptor. If the descriptor's NVE-group | |
2312 | * does not exist (e.g., if it has been administratively removed), | |
2313 | * reassignment to a new NVE-group is attempted. | |
2314 | * | |
2315 | * If NVE-group reassignment fails, the descriptor becomes "stale" | |
2316 | * (rfd->rfg == NULL implies "stale:). The only permissible API operation | |
2317 | * on a stale descriptor is rfapi_close(). Any other rfapi_* API operation | |
2318 | * on the descriptor will return ESTALE. | |
2319 | * | |
2320 | * Reopening a descriptor is a potentially expensive operation, because | |
2321 | * it involves withdrawing any routes advertised by the NVE, withdrawing | |
2322 | * the NVE's route queries, and then re-adding them all after a new | |
2323 | * NVE-group is assigned. There are also possible route-export affects | |
2324 | * caused by deleting and then adding the NVE: advertised prefixes | |
2325 | * and nexthop lists for exported routes can turn over. | |
2326 | */ | |
d62a17ae | 2327 | int rfapi_reopen(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 2328 | { |
d62a17ae | 2329 | struct rfapi *h; |
2330 | int rc; | |
2331 | ||
2332 | if ((rc = rfapi_close_inner(rfd, bgp))) { | |
2333 | return rc; | |
2334 | } | |
2335 | if ((rc = rfapi_open_rfd(rfd, bgp))) { | |
2336 | ||
2337 | h = bgp->rfapi; | |
2338 | ||
2339 | assert(!CHECK_FLAG(h->flags, RFAPI_INCALLBACK)); | |
2340 | ||
2341 | if (CHECK_FLAG(rfd->flags, | |
2342 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY) | |
2343 | && h && h->rfp_methods.close_cb) { | |
2344 | ||
2345 | /* | |
2346 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2347 | * this point | |
2348 | * we are not already in the context of a callback. | |
2349 | */ | |
2350 | h->flags |= RFAPI_INCALLBACK; | |
2351 | (*h->rfp_methods.close_cb)((rfapi_handle)rfd, ESTALE); | |
2352 | h->flags &= ~RFAPI_INCALLBACK; | |
2353 | } | |
2354 | return rc; | |
2355 | } | |
2356 | return 0; | |
65efcfce LB |
2357 | } |
2358 | ||
2359 | /*********************************************************************** | |
2360 | * NVE Routes | |
2361 | ***********************************************************************/ | |
d62a17ae | 2362 | /* |
65efcfce LB |
2363 | * Announce reachability to this prefix via the NVE |
2364 | */ | |
d62a17ae | 2365 | int rfapi_register(void *handle, struct rfapi_ip_prefix *prefix, |
2366 | uint32_t lifetime, /* host byte order */ | |
2367 | struct rfapi_un_option *options_un, | |
2368 | struct rfapi_vn_option *options_vn, | |
2369 | rfapi_register_action action) | |
65efcfce | 2370 | { |
d62a17ae | 2371 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2372 | struct bgp *bgp; | |
2373 | struct prefix p; | |
2374 | struct prefix *pfx_ip = NULL; | |
2375 | struct prefix_rd prd; | |
e7038dde | 2376 | afi_t afi; |
d62a17ae | 2377 | struct prefix pfx_mac_buf; |
2378 | struct prefix *pfx_mac = NULL; | |
2379 | struct prefix pfx_vn_buf; | |
2380 | const char *action_str = NULL; | |
2381 | uint32_t *label = NULL; | |
2382 | struct rfapi_vn_option *vo; | |
2383 | struct rfapi_l2address_option *l2o = NULL; | |
2384 | struct prefix_rd *prd_override = NULL; | |
2385 | ||
2386 | switch (action) { | |
2387 | case RFAPI_REGISTER_ADD: | |
2388 | action_str = "add"; | |
2389 | break; | |
2390 | case RFAPI_REGISTER_WITHDRAW: | |
2391 | action_str = "withdraw"; | |
2392 | break; | |
2393 | case RFAPI_REGISTER_KILL: | |
2394 | action_str = "kill"; | |
2395 | break; | |
2396 | default: | |
2397 | assert(0); | |
2398 | break; | |
2399 | } | |
2400 | ||
2401 | /* | |
2402 | * Inspect VN options | |
2403 | */ | |
2404 | for (vo = options_vn; vo; vo = vo->next) { | |
2405 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { | |
2406 | l2o = &vo->v.l2addr; | |
2407 | } | |
2408 | if (RFAPI_VN_OPTION_TYPE_INTERNAL_RD == vo->type) { | |
2409 | prd_override = &vo->v.internal_rd; | |
2410 | } | |
2411 | } | |
2412 | ||
2413 | /********************************************************************* | |
2414 | * advertise prefix | |
2415 | *********************************************************************/ | |
2416 | ||
2417 | /* | |
2418 | * set <p> based on <prefix> | |
2419 | */ | |
2420 | assert(!rfapiRprefix2Qprefix(prefix, &p)); | |
2421 | ||
2422 | afi = family2afi(prefix->prefix.addr_family); | |
2423 | assert(afi); | |
2424 | ||
2425 | ||
2426 | { | |
872ed4c7 | 2427 | char buf[PREFIX_STRLEN]; |
d62a17ae | 2428 | |
872ed4c7 | 2429 | prefix2str(&p, buf, sizeof(buf)); |
d62a17ae | 2430 | vnc_zlog_debug_verbose( |
2431 | "%s(rfd=%p, pfx=%s, lifetime=%d, opts_un=%p, opts_vn=%p, action=%s)", | |
2432 | __func__, rfd, buf, lifetime, options_un, options_vn, | |
2433 | action_str); | |
2434 | } | |
2435 | ||
2436 | /* | |
2437 | * These tests come after the prefix conversion so that we can | |
2438 | * print the prefix in a debug message before failing | |
2439 | */ | |
2440 | ||
2441 | bgp = rfd->bgp; | |
2442 | if (!bgp) { | |
2443 | vnc_zlog_debug_verbose("%s: no BGP instance: returning ENXIO", | |
2444 | __func__); | |
2445 | return ENXIO; | |
2446 | } | |
2447 | if (!bgp->rfapi) { | |
2448 | vnc_zlog_debug_verbose("%s: no RFAPI instance: returning ENXIO", | |
2449 | __func__); | |
2450 | return ENXIO; | |
2451 | } | |
2452 | if (!rfd->rfg) { | |
2453 | if (RFAPI_REGISTER_ADD == action) { | |
2454 | ++bgp->rfapi->stat.count_registrations_failed; | |
2455 | } | |
2456 | vnc_zlog_debug_verbose( | |
2457 | "%s: rfd=%p, no RF GRP instance: returning ESTALE", | |
2458 | __func__, rfd); | |
2459 | return ESTALE; | |
2460 | } | |
2461 | ||
2462 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
2463 | if (RFAPI_REGISTER_ADD == action) { | |
2464 | ++bgp->rfapi->stat.count_registrations_failed; | |
2465 | } | |
2466 | vnc_zlog_debug_verbose("%s: in callback: returning EDEADLK", | |
2467 | __func__); | |
2468 | return EDEADLK; | |
2469 | } | |
2470 | ||
2471 | if (!is_valid_rfd(rfd)) { | |
2472 | if (RFAPI_REGISTER_ADD == action) { | |
2473 | ++bgp->rfapi->stat.count_registrations_failed; | |
2474 | } | |
2475 | vnc_zlog_debug_verbose("%s: invalid handle: returning EBADF", | |
2476 | __func__); | |
2477 | return EBADF; | |
2478 | } | |
2479 | ||
2480 | /* | |
2481 | * Is there a MAC address in this registration? | |
2482 | */ | |
2483 | if (l2o && !RFAPI_0_ETHERADDR(&l2o->macaddr)) { | |
2484 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2485 | pfx_mac = &pfx_mac_buf; | |
2486 | } | |
2487 | ||
2488 | /* | |
2489 | * Is there an IP prefix in this registration? | |
2490 | */ | |
2491 | if (!(RFAPI_0_PREFIX(&p) && RFAPI_HOST_PREFIX(&p))) { | |
2492 | pfx_ip = &p; | |
2493 | } else { | |
2494 | if (!pfx_mac) { | |
2495 | vnc_zlog_debug_verbose( | |
2496 | "%s: missing mac addr that is required for host 0 pfx", | |
2497 | __func__); | |
2498 | if (RFAPI_REGISTER_ADD == action) { | |
2499 | ++bgp->rfapi->stat.count_registrations_failed; | |
2500 | } | |
2501 | return EINVAL; | |
2502 | } | |
2503 | if (rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn_buf)) { | |
2504 | vnc_zlog_debug_verbose( | |
2505 | "%s: handle has bad vn_addr: returning EBADF", | |
2506 | __func__); | |
2507 | if (RFAPI_REGISTER_ADD == action) { | |
2508 | ++bgp->rfapi->stat.count_registrations_failed; | |
2509 | } | |
2510 | return EBADF; | |
2511 | } | |
2512 | } | |
2513 | ||
2514 | if (RFAPI_REGISTER_ADD == action) { | |
2515 | ++bgp->rfapi->stat.count_registrations; | |
2516 | } | |
2517 | ||
2518 | /* | |
2519 | * Figure out if this registration is missing an IP address | |
2520 | * | |
2521 | * MAC-addr based: | |
2522 | * | |
2523 | * In RFAPI, we use prefixes in family AF_LINK to store | |
2524 | * the MAC addresses. These prefixes are used for the | |
2525 | * list of advertised prefixes and in the RFAPI import | |
2526 | * tables. | |
2527 | * | |
2528 | * In BGP proper, we use the prefix matching the NVE's | |
2529 | * VN address with a host prefix-length (i.e., 32 or 128). | |
2530 | * | |
2531 | */ | |
2532 | if (l2o && l2o->logical_net_id && RFAPI_0_PREFIX(&p) | |
2533 | && RFAPI_HOST_PREFIX(&p)) { | |
2534 | ||
2535 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2536 | pfx_mac = &pfx_mac_buf; | |
2537 | } | |
2538 | ||
2539 | /* | |
2540 | * Construct route distinguisher | |
2541 | */ | |
2542 | if (prd_override) { | |
2543 | prd = *prd_override; | |
2544 | } else { | |
2545 | memset(&prd, 0, sizeof(prd)); | |
2546 | if (pfx_mac) { | |
2547 | prd.family = AF_UNSPEC; | |
2548 | prd.prefixlen = 64; | |
2549 | encode_rd_type(RD_TYPE_VNC_ETH, prd.val); | |
2550 | if (l2o->local_nve_id | |
2551 | || !(rfd->rfg->flags & RFAPI_RFG_L2RD)) { | |
2552 | /* | |
2553 | * If Local NVE ID is specified in message, use | |
2554 | * it. | |
2555 | * (if no local default configured, also use it | |
2556 | * even if 0) | |
2557 | */ | |
2558 | prd.val[1] = l2o->local_nve_id; | |
2559 | } else { | |
2560 | if (rfd->rfg->l2rd) { | |
2561 | /* | |
2562 | * locally-configured literal value | |
2563 | */ | |
2564 | prd.val[1] = rfd->rfg->l2rd; | |
2565 | } else { | |
2566 | /* | |
2567 | * 0 means auto:vn, which means use LSB | |
2568 | * of VN addr | |
2569 | */ | |
2570 | if (rfd->vn_addr.addr_family | |
2571 | == AF_INET) { | |
2572 | prd.val[1] = | |
2573 | *(((char *)&rfd->vn_addr | |
2574 | .addr.v4 | |
2575 | .s_addr) | |
2576 | + 3); | |
2577 | } else { | |
2578 | prd.val[1] = | |
2579 | *(((char *)&rfd->vn_addr | |
2580 | .addr.v6 | |
2581 | .s6_addr) | |
2582 | + 15); | |
2583 | } | |
2584 | } | |
2585 | } | |
2586 | memcpy(prd.val + 2, pfx_mac->u.prefix_eth.octet, 6); | |
2587 | } else { | |
2588 | prd = rfd->rd; | |
2589 | prd.family = AF_UNSPEC; | |
2590 | prd.prefixlen = 64; | |
2591 | } | |
2592 | } | |
2593 | ||
2594 | ||
2595 | if (action == RFAPI_REGISTER_WITHDRAW | |
2596 | || action == RFAPI_REGISTER_KILL) { | |
2597 | ||
2598 | int adv_tunnel = 0; | |
2599 | ||
2600 | /* | |
2601 | * withdraw previous advertisement | |
2602 | */ | |
2603 | del_vnc_route( | |
2604 | rfd, rfd->peer, bgp, SAFI_MPLS_VPN, | |
2605 | pfx_ip ? pfx_ip | |
2606 | : &pfx_vn_buf, /* prefix being advertised */ | |
2607 | &prd, /* route distinguisher (0 for ENCAP) */ | |
2608 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, | |
2609 | action == RFAPI_REGISTER_KILL); | |
2610 | ||
9d303b37 DL |
2611 | if (0 == rfapiApDelete(bgp, rfd, &p, pfx_mac, &prd, |
2612 | &adv_tunnel)) { | |
d62a17ae | 2613 | if (adv_tunnel) |
2614 | rfapiTunnelRouteAnnounce( | |
2615 | bgp, rfd, &rfd->max_prefix_lifetime); | |
2616 | } | |
2617 | ||
2618 | } else { | |
2619 | ||
2620 | int adv_tunnel = 0; | |
2621 | uint32_t local_pref; | |
2622 | struct ecommunity *rtlist = NULL; | |
2623 | struct ecommunity_val ecom_value; | |
2624 | ||
2625 | if (!rfapiApCount(rfd)) { | |
2626 | /* | |
2627 | * make sure we advertise tunnel route upon adding the | |
2628 | * first VPN route | |
2629 | */ | |
2630 | adv_tunnel = 1; | |
2631 | } | |
2632 | ||
2633 | if (rfapiApAdd(bgp, rfd, &p, pfx_mac, &prd, lifetime, | |
2634 | prefix->cost, l2o)) { | |
2635 | adv_tunnel = 1; | |
2636 | } | |
2637 | ||
2638 | vnc_zlog_debug_verbose("%s: adv_tunnel = %d", __func__, | |
2639 | adv_tunnel); | |
2640 | if (adv_tunnel) { | |
2641 | vnc_zlog_debug_verbose("%s: announcing tunnel route", | |
2642 | __func__); | |
2643 | rfapiTunnelRouteAnnounce(bgp, rfd, | |
2644 | &rfd->max_prefix_lifetime); | |
2645 | } | |
2646 | ||
2647 | vnc_zlog_debug_verbose("%s: calling add_vnc_route", __func__); | |
2648 | ||
2649 | local_pref = rfp_cost_to_localpref(prefix->cost); | |
2650 | ||
2651 | if (l2o && l2o->label) | |
2652 | label = &l2o->label; | |
2653 | ||
2654 | if (pfx_mac) { | |
2655 | struct ecommunity *l2com = NULL; | |
2656 | ||
2657 | if (label) { | |
2658 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
2659 | bgp, 1, l2o->logical_net_id, *label); | |
2660 | } | |
2661 | if (l2com) { | |
2662 | rtlist = ecommunity_dup(l2com); | |
2663 | } else { | |
2664 | /* | |
2665 | * If mac address is set, add an RT based on the | |
2666 | * registered LNI | |
2667 | */ | |
2668 | memset((char *)&ecom_value, 0, | |
2669 | sizeof(ecom_value)); | |
2670 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2671 | ecom_value.val[5] = | |
2672 | (l2o->logical_net_id >> 16) & 0xff; | |
2673 | ecom_value.val[6] = | |
2674 | (l2o->logical_net_id >> 8) & 0xff; | |
2675 | ecom_value.val[7] = | |
2676 | (l2o->logical_net_id >> 0) & 0xff; | |
2677 | rtlist = ecommunity_new(); | |
2678 | ecommunity_add_val(rtlist, &ecom_value); | |
2679 | } | |
2680 | if (l2o->tag_id) { | |
2681 | as_t as = bgp->as; | |
2682 | uint16_t val = l2o->tag_id; | |
2683 | memset((char *)&ecom_value, 0, | |
2684 | sizeof(ecom_value)); | |
2685 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2686 | if (as > BGP_AS_MAX) { | |
2687 | ecom_value.val[0] = | |
2688 | ECOMMUNITY_ENCODE_AS4; | |
2689 | ecom_value.val[2] = (as >> 24) & 0xff; | |
2690 | ecom_value.val[3] = (as >> 16) & 0xff; | |
2691 | ecom_value.val[4] = (as >> 8) & 0xff; | |
2692 | ecom_value.val[5] = as & 0xff; | |
2693 | } else { | |
2694 | ecom_value.val[0] = | |
2695 | ECOMMUNITY_ENCODE_AS; | |
2696 | ecom_value.val[2] = (as >> 8) & 0xff; | |
2697 | ecom_value.val[3] = as & 0xff; | |
2698 | } | |
2699 | ecom_value.val[6] = (val >> 8) & 0xff; | |
2700 | ecom_value.val[7] = val & 0xff; | |
2701 | if (rtlist == NULL) | |
2702 | rtlist = ecommunity_new(); | |
2703 | ecommunity_add_val(rtlist, &ecom_value); | |
2704 | } | |
2705 | } | |
2706 | ||
2707 | /* | |
2708 | * advertise prefix via tunnel endpoint | |
2709 | */ | |
2710 | add_vnc_route( | |
2711 | rfd, /* rfapi descr, for export list & backref */ | |
2712 | bgp, /* which bgp instance */ | |
2713 | SAFI_MPLS_VPN, /* which SAFI */ | |
2714 | (pfx_ip ? pfx_ip | |
2715 | : &pfx_vn_buf), /* prefix being advertised */ | |
2716 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2717 | &rfd->vn_addr, /* nexthop */ | |
2718 | &local_pref, | |
2719 | &lifetime, /* prefix lifetime -> Tunnel Encap attr */ | |
2720 | NULL, options_un, /* rfapi un options */ | |
2721 | options_vn, /* rfapi vn options */ | |
2722 | (rtlist ? rtlist : rfd->rt_export_list), NULL, /* med */ | |
2723 | label, /* label: default */ | |
2724 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
2725 | ||
2726 | if (rtlist) | |
2727 | ecommunity_free(&rtlist); /* sets rtlist = NULL */ | |
2728 | } | |
2729 | ||
2730 | vnc_zlog_debug_verbose("%s: success", __func__); | |
2731 | return 0; | |
65efcfce LB |
2732 | } |
2733 | ||
d62a17ae | 2734 | int rfapi_query(void *handle, struct rfapi_ip_addr *target, |
2735 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
2736 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 2737 | { |
d62a17ae | 2738 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2739 | struct bgp *bgp = rfd->bgp; | |
2740 | int rc; | |
2741 | ||
2742 | assert(ppNextHopEntry); | |
2743 | *ppNextHopEntry = NULL; | |
2744 | ||
2745 | if (bgp && bgp->rfapi) { | |
2746 | bgp->rfapi->stat.count_queries++; | |
2747 | } | |
2748 | ||
2749 | if (!rfd->rfg) { | |
2750 | if (bgp && bgp->rfapi) | |
2751 | ++bgp->rfapi->stat.count_queries_failed; | |
2752 | return ESTALE; | |
2753 | } | |
2754 | ||
2755 | if ((rc = rfapi_query_inner(handle, target, l2o, ppNextHopEntry))) { | |
2756 | if (bgp && bgp->rfapi) | |
2757 | ++bgp->rfapi->stat.count_queries_failed; | |
2758 | } | |
2759 | return rc; | |
65efcfce LB |
2760 | } |
2761 | ||
d62a17ae | 2762 | int rfapi_query_done(rfapi_handle handle, struct rfapi_ip_addr *target) |
65efcfce | 2763 | { |
d62a17ae | 2764 | struct prefix p; |
2765 | int rc; | |
2766 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; | |
2767 | struct bgp *bgp = rfd->bgp; | |
65efcfce | 2768 | |
d62a17ae | 2769 | if (!rfd->rfg) |
2770 | return ESTALE; | |
65efcfce | 2771 | |
d62a17ae | 2772 | assert(target); |
2773 | rc = rfapiRaddr2Qprefix(target, &p); | |
2774 | assert(!rc); | |
65efcfce | 2775 | |
d62a17ae | 2776 | if (!is_valid_rfd(rfd)) |
2777 | return EBADF; | |
65efcfce | 2778 | |
d62a17ae | 2779 | /* preemptive */ |
2780 | if (!bgp || !bgp->rfapi) | |
2781 | return ENXIO; | |
65efcfce | 2782 | |
d62a17ae | 2783 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) |
2784 | return EDEADLK; | |
65efcfce | 2785 | |
d62a17ae | 2786 | rfapiMonitorDel(bgp, rfd, &p); |
65efcfce | 2787 | |
d62a17ae | 2788 | return 0; |
65efcfce LB |
2789 | } |
2790 | ||
d62a17ae | 2791 | int rfapi_query_done_all(rfapi_handle handle, int *count) |
65efcfce | 2792 | { |
d62a17ae | 2793 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2794 | struct bgp *bgp = rfd->bgp; | |
2795 | ; | |
2796 | int num; | |
65efcfce | 2797 | |
d62a17ae | 2798 | if (!rfd->rfg) |
2799 | return ESTALE; | |
65efcfce | 2800 | |
d62a17ae | 2801 | if (!is_valid_rfd(rfd)) |
2802 | return EBADF; | |
65efcfce | 2803 | |
d62a17ae | 2804 | /* preemptive */ |
2805 | if (!bgp || !bgp->rfapi) | |
2806 | return ENXIO; | |
65efcfce | 2807 | |
d62a17ae | 2808 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) |
2809 | return EDEADLK; | |
65efcfce | 2810 | |
d62a17ae | 2811 | num = rfapiMonitorDelHd(rfd); |
65efcfce | 2812 | |
d62a17ae | 2813 | if (count) |
2814 | *count = num; | |
65efcfce | 2815 | |
d62a17ae | 2816 | return 0; |
65efcfce LB |
2817 | } |
2818 | ||
d62a17ae | 2819 | void rfapi_free_next_hop_list(struct rfapi_next_hop_entry *list) |
65efcfce | 2820 | { |
d62a17ae | 2821 | struct rfapi_next_hop_entry *nh; |
2822 | struct rfapi_next_hop_entry *next; | |
2823 | ||
2824 | for (nh = list; nh; nh = next) { | |
2825 | next = nh->next; | |
2826 | rfapi_un_options_free(nh->un_options); | |
2827 | nh->un_options = NULL; | |
2828 | rfapi_vn_options_free(nh->vn_options); | |
2829 | nh->vn_options = NULL; | |
2830 | XFREE(MTYPE_RFAPI_NEXTHOP, nh); | |
2831 | } | |
65efcfce LB |
2832 | } |
2833 | ||
2834 | /* | |
2835 | * NULL handle => return total count across all nves | |
2836 | */ | |
d62a17ae | 2837 | uint32_t rfapi_monitor_count(void *handle) |
65efcfce | 2838 | { |
d62a17ae | 2839 | struct bgp *bgp = bgp_get_default(); |
2840 | uint32_t count; | |
65efcfce | 2841 | |
d62a17ae | 2842 | if (handle) { |
2843 | struct rfapi_descriptor *rfd = | |
2844 | (struct rfapi_descriptor *)handle; | |
2845 | count = rfd->monitor_count; | |
2846 | } else { | |
65efcfce | 2847 | |
d62a17ae | 2848 | if (!bgp || !bgp->rfapi) |
2849 | return 0; | |
65efcfce | 2850 | |
d62a17ae | 2851 | count = bgp->rfapi->monitor_count; |
2852 | } | |
65efcfce | 2853 | |
d62a17ae | 2854 | return count; |
65efcfce LB |
2855 | } |
2856 | ||
2857 | /*********************************************************************** | |
2858 | * CLI/CONFIG | |
2859 | ***********************************************************************/ | |
2860 | ||
2861 | DEFUN (debug_rfapi_show_nves, | |
2862 | debug_rfapi_show_nves_cmd, | |
2863 | "debug rfapi-dev show nves", | |
2864 | DEBUG_STR | |
2865 | DEBUG_RFAPI_STR | |
2866 | SHOW_STR | |
2867 | "NVE Information\n") | |
2868 | { | |
d62a17ae | 2869 | rfapiPrintMatchingDescriptors(vty, NULL, NULL); |
2870 | return CMD_SUCCESS; | |
65efcfce LB |
2871 | } |
2872 | ||
2873 | DEFUN ( | |
2874 | debug_rfapi_show_nves_vn_un, | |
2875 | debug_rfapi_show_nves_vn_un_cmd, | |
034d2de2 | 2876 | "debug rfapi-dev show nves <vn|un> <A.B.C.D|X:X::X:X>", /* prefix also ok */ |
65efcfce LB |
2877 | DEBUG_STR |
2878 | DEBUG_RFAPI_STR | |
2879 | SHOW_STR | |
2880 | "NVE Information\n" | |
034d2de2 DS |
2881 | "Specify virtual network\n" |
2882 | "Specify underlay network interface\n" | |
2883 | "IPv4 address\n" | |
2884 | "IPv6 address\n") | |
65efcfce | 2885 | { |
d62a17ae | 2886 | struct prefix pfx; |
2887 | ||
2888 | if (!str2prefix(argv[5]->arg, &pfx)) { | |
2889 | vty_out(vty, "Malformed address \"%s\"\n", argv[5]->arg); | |
2890 | return CMD_WARNING_CONFIG_FAILED; | |
2891 | } | |
2892 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
2893 | vty_out(vty, "Invalid address \"%s\"\n", argv[5]->arg); | |
2894 | return CMD_WARNING_CONFIG_FAILED; | |
2895 | } | |
2896 | ||
2897 | if (argv[4]->arg[0] == 'u') { | |
2898 | rfapiPrintMatchingDescriptors(vty, NULL, &pfx); | |
2899 | } else { | |
2900 | rfapiPrintMatchingDescriptors(vty, &pfx, NULL); | |
2901 | } | |
2902 | return CMD_SUCCESS; | |
65efcfce LB |
2903 | } |
2904 | ||
2905 | /* | |
2906 | * Note: this function does not flush vty output, so if it is called | |
2907 | * with a stream pointing to a vty, the user will have to type something | |
2908 | * before the callback output shows up | |
2909 | */ | |
d62a17ae | 2910 | static void test_nexthops_callback( |
2911 | // struct rfapi_ip_addr *target, | |
2912 | struct rfapi_next_hop_entry *next_hops, void *userdata) | |
65efcfce | 2913 | { |
d62a17ae | 2914 | void *stream = userdata; |
65efcfce | 2915 | |
d62a17ae | 2916 | int (*fp)(void *, const char *, ...); |
2917 | struct vty *vty; | |
2918 | void *out; | |
2919 | const char *vty_newline; | |
65efcfce | 2920 | |
d62a17ae | 2921 | if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0) |
2922 | return; | |
65efcfce | 2923 | |
d62a17ae | 2924 | fp(out, "Nexthops Callback, Target=("); |
2925 | // rfapiPrintRfapiIpAddr(stream, target); | |
2926 | fp(out, ")\n"); | |
65efcfce | 2927 | |
d62a17ae | 2928 | rfapiPrintNhl(stream, next_hops); |
65efcfce | 2929 | |
d62a17ae | 2930 | rfapi_free_next_hop_list(next_hops); |
65efcfce LB |
2931 | } |
2932 | ||
2933 | DEFUN (debug_rfapi_open, | |
2934 | debug_rfapi_open_cmd, | |
034d2de2 | 2935 | "debug rfapi-dev open vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2936 | DEBUG_STR |
2937 | DEBUG_RFAPI_STR | |
2938 | "rfapi_open\n" | |
2939 | "indicate vn addr follows\n" | |
034d2de2 DS |
2940 | "virtual network interface IPv4 address\n" |
2941 | "virtual network interface IPv6 address\n" | |
2942 | "indicate xt addr follows\n" | |
2943 | "underlay network interface IPv4 address\n" | |
2944 | "underlay network interface IPv6 address\n") | |
65efcfce | 2945 | { |
d62a17ae | 2946 | struct rfapi_ip_addr vn; |
2947 | struct rfapi_ip_addr un; | |
2948 | uint32_t lifetime; | |
2949 | int rc; | |
2950 | rfapi_handle handle; | |
65efcfce | 2951 | |
d62a17ae | 2952 | /* |
2953 | * Get VN addr | |
2954 | */ | |
2955 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
2956 | return rc; | |
65efcfce | 2957 | |
d62a17ae | 2958 | /* |
2959 | * Get UN addr | |
2960 | */ | |
2961 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
2962 | return rc; | |
65efcfce | 2963 | |
d62a17ae | 2964 | rc = rfapi_open(rfapi_get_rfp_start_val_by_bgp(bgp_get_default()), &vn, |
2965 | &un, /*&uo */ NULL, &lifetime, NULL, &handle); | |
65efcfce | 2966 | |
d62a17ae | 2967 | vty_out(vty, "rfapi_open: status %d, handle %p, lifetime %d\n", rc, |
2968 | handle, lifetime); | |
65efcfce | 2969 | |
d62a17ae | 2970 | rc = rfapi_set_response_cb(handle, test_nexthops_callback); |
65efcfce | 2971 | |
d62a17ae | 2972 | vty_out(vty, "rfapi_set_response_cb: status %d\n", rc); |
65efcfce | 2973 | |
d62a17ae | 2974 | return CMD_SUCCESS; |
65efcfce LB |
2975 | } |
2976 | ||
2977 | ||
2978 | DEFUN (debug_rfapi_close_vn_un, | |
2979 | debug_rfapi_close_vn_un_cmd, | |
034d2de2 | 2980 | "debug rfapi-dev close vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2981 | DEBUG_STR |
2982 | DEBUG_RFAPI_STR | |
2983 | "rfapi_close\n" | |
2984 | "indicate vn addr follows\n" | |
034d2de2 DS |
2985 | "virtual network interface IPv4 address\n" |
2986 | "virtual network interface IPv6 address\n" | |
2987 | "indicate xt addr follows\n" | |
2988 | "underlay network interface IPv4 address\n" | |
2989 | "underlay network interface IPv6 address\n") | |
65efcfce | 2990 | { |
d62a17ae | 2991 | struct rfapi_ip_addr vn; |
2992 | struct rfapi_ip_addr un; | |
2993 | rfapi_handle handle; | |
2994 | int rc; | |
65efcfce | 2995 | |
d62a17ae | 2996 | /* |
2997 | * Get VN addr | |
2998 | */ | |
2999 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3000 | return rc; | |
65efcfce LB |
3001 | |
3002 | ||
d62a17ae | 3003 | /* |
3004 | * Get UN addr | |
3005 | */ | |
3006 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3007 | return rc; | |
65efcfce LB |
3008 | |
3009 | ||
d62a17ae | 3010 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
3011 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3012 | argv[4]->arg, argv[6]->arg); | |
3013 | return CMD_WARNING_CONFIG_FAILED; | |
3014 | } | |
65efcfce | 3015 | |
d62a17ae | 3016 | rc = rfapi_close(handle); |
65efcfce | 3017 | |
d62a17ae | 3018 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 3019 | |
d62a17ae | 3020 | return CMD_SUCCESS; |
65efcfce LB |
3021 | } |
3022 | ||
3023 | DEFUN (debug_rfapi_close_rfd, | |
3024 | debug_rfapi_close_rfd_cmd, | |
3025 | "debug rfapi-dev close rfd HANDLE", | |
3026 | DEBUG_STR | |
3027 | DEBUG_RFAPI_STR | |
3028 | "rfapi_close\n" | |
3029 | "indicate handle follows\n" "rfapi handle in hexadecimal\n") | |
3030 | { | |
d62a17ae | 3031 | rfapi_handle handle; |
3032 | int rc; | |
3033 | char *endptr = NULL; | |
65efcfce | 3034 | |
d62a17ae | 3035 | handle = (rfapi_handle)(uintptr_t)(strtoull(argv[4]->arg, &endptr, 16)); |
65efcfce | 3036 | |
d62a17ae | 3037 | if (*endptr != '\0' || (uintptr_t)handle == UINTPTR_MAX) { |
3038 | vty_out(vty, "Invalid value: %s\n", argv[4]->arg); | |
3039 | return CMD_WARNING_CONFIG_FAILED; | |
3040 | } | |
65efcfce | 3041 | |
d62a17ae | 3042 | rc = rfapi_close(handle); |
65efcfce | 3043 | |
d62a17ae | 3044 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 3045 | |
d62a17ae | 3046 | return CMD_SUCCESS; |
65efcfce LB |
3047 | } |
3048 | ||
3049 | DEFUN (debug_rfapi_register_vn_un, | |
3050 | debug_rfapi_register_vn_un_cmd, | |
034d2de2 | 3051 | "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 |
3052 | DEBUG_STR |
3053 | DEBUG_RFAPI_STR | |
3054 | "rfapi_register\n" | |
3055 | "indicate vn addr follows\n" | |
3056 | "virtual network IPv4 interface address\n" | |
3057 | "virtual network IPv6 interface address\n" | |
d62a17ae | 3058 | "indicate un addr follows\n" |
3059 | "underlay network IPv4 interface address\n" | |
3060 | "underlay network IPv6 interface address\n" | |
3061 | "indicate prefix follows\n" | |
3062 | "IPv4 prefix\n" | |
3063 | "IPv6 prefix\n" | |
3064 | "indicate lifetime follows\n" | |
3065 | "lifetime\n") | |
3066 | { | |
3067 | struct rfapi_ip_addr vn; | |
3068 | struct rfapi_ip_addr un; | |
3069 | rfapi_handle handle; | |
3070 | struct prefix pfx; | |
3071 | uint32_t lifetime; | |
3072 | struct rfapi_ip_prefix hpfx; | |
3073 | int rc; | |
3074 | ||
3075 | /* | |
3076 | * Get VN addr | |
3077 | */ | |
3078 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3079 | return rc; | |
3080 | ||
3081 | ||
3082 | /* | |
3083 | * Get UN addr | |
3084 | */ | |
3085 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3086 | return rc; | |
3087 | ||
3088 | ||
3089 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3090 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3091 | argv[4]->arg, argv[6]->arg); | |
3092 | return CMD_WARNING_CONFIG_FAILED; | |
3093 | } | |
3094 | ||
3095 | /* | |
3096 | * Get prefix to advertise | |
3097 | */ | |
3098 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3099 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3100 | return CMD_WARNING_CONFIG_FAILED; | |
3101 | } | |
3102 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3103 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3104 | return CMD_WARNING_CONFIG_FAILED; | |
3105 | } | |
3106 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3107 | ||
3108 | if (strmatch(argv[10]->text, "infinite")) { | |
3109 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3110 | } else { | |
3111 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3112 | } | |
3113 | ||
3114 | ||
3115 | rc = rfapi_register(handle, &hpfx, lifetime, NULL, NULL, 0); | |
3116 | if (rc) { | |
3117 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3118 | strerror(rc)); | |
3119 | } | |
3120 | ||
3121 | return CMD_SUCCESS; | |
65efcfce LB |
3122 | } |
3123 | ||
3124 | DEFUN (debug_rfapi_register_vn_un_l2o, | |
3125 | debug_rfapi_register_vn_un_l2o_cmd, | |
034d2de2 | 3126 | "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 |
3127 | DEBUG_STR |
3128 | DEBUG_RFAPI_STR | |
3129 | "rfapi_register\n" | |
3130 | "indicate vn addr follows\n" | |
3131 | "virtual network IPv4 interface address\n" | |
3132 | "virtual network IPv6 interface address\n" | |
3133 | "indicate un addr follows\n" | |
3134 | "underlay network IPv4 interface address\n" | |
3135 | "underlay network IPv6 interface address\n" | |
3136 | "indicate prefix follows\n" | |
3137 | "IPv4 prefix\n" | |
034d2de2 DS |
3138 | "IPv6 prefix\n" |
3139 | "indicate lifetime follows\n" | |
3140 | "Seconds of lifetime\n" | |
3141 | "indicate MAC address follows\n" | |
3142 | "MAC address\n" | |
3143 | "indicate lni follows\n" | |
3144 | "lni value range\n") | |
65efcfce | 3145 | { |
d62a17ae | 3146 | struct rfapi_ip_addr vn; |
3147 | struct rfapi_ip_addr un; | |
3148 | rfapi_handle handle; | |
3149 | struct prefix pfx; | |
3150 | uint32_t lifetime; | |
3151 | struct rfapi_ip_prefix hpfx; | |
3152 | int rc; | |
3153 | struct rfapi_vn_option optary[10]; /* XXX must be big enough */ | |
3154 | struct rfapi_vn_option *opt = NULL; | |
3155 | int opt_next = 0; | |
3156 | ||
3157 | /* | |
3158 | * Get VN addr | |
3159 | */ | |
3160 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3161 | return rc; | |
3162 | ||
3163 | ||
3164 | /* | |
3165 | * Get UN addr | |
3166 | */ | |
3167 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3168 | return rc; | |
3169 | ||
3170 | ||
3171 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3172 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3173 | argv[4]->arg, argv[6]->arg); | |
3174 | return CMD_WARNING_CONFIG_FAILED; | |
3175 | } | |
3176 | ||
3177 | /* | |
3178 | * Get prefix to advertise | |
3179 | */ | |
3180 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3181 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3182 | return CMD_WARNING_CONFIG_FAILED; | |
3183 | } | |
3184 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3185 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3186 | return CMD_WARNING_CONFIG_FAILED; | |
3187 | } | |
3188 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3189 | ||
3190 | if (strmatch(argv[10]->text, "infinite")) { | |
3191 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3192 | } else { | |
3193 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3194 | } | |
3195 | ||
3196 | /* L2 option parsing START */ | |
3197 | memset(optary, 0, sizeof(optary)); | |
3198 | optary[opt_next].v.l2addr.logical_net_id = | |
3199 | strtoul(argv[14]->arg, NULL, 10); | |
3200 | if ((rc = rfapiStr2EthAddr(argv[12]->arg, | |
3201 | &optary[opt_next].v.l2addr.macaddr))) { | |
3202 | vty_out(vty, "Bad mac address \"%s\"\n", argv[12]->arg); | |
3203 | return CMD_WARNING_CONFIG_FAILED; | |
3204 | } | |
3205 | optary[opt_next].type = RFAPI_VN_OPTION_TYPE_L2ADDR; | |
3206 | if (opt_next) { | |
3207 | optary[opt_next - 1].next = optary + opt_next; | |
3208 | } else { | |
3209 | opt = optary; | |
3210 | } | |
3211 | ++opt_next; | |
3212 | /* L2 option parsing END */ | |
3213 | ||
3214 | /* TBD fixme */ | |
3215 | rc = rfapi_register(handle, &hpfx, lifetime, NULL /* &uo */, opt, 0); | |
3216 | if (rc) { | |
3217 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3218 | strerror(rc)); | |
3219 | } | |
3220 | ||
3221 | return CMD_SUCCESS; | |
65efcfce LB |
3222 | } |
3223 | ||
3224 | ||
3225 | DEFUN (debug_rfapi_unregister_vn_un, | |
3226 | debug_rfapi_unregister_vn_un_cmd, | |
034d2de2 | 3227 | "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 |
3228 | DEBUG_STR |
3229 | DEBUG_RFAPI_STR | |
3230 | "rfapi_register\n" | |
3231 | "indicate vn addr follows\n" | |
3232 | "virtual network interface address\n" | |
3233 | "indicate xt addr follows\n" | |
3234 | "underlay network interface address\n" | |
3235 | "indicate prefix follows\n" "prefix") | |
3236 | { | |
d62a17ae | 3237 | struct rfapi_ip_addr vn; |
3238 | struct rfapi_ip_addr un; | |
3239 | rfapi_handle handle; | |
3240 | struct prefix pfx; | |
3241 | struct rfapi_ip_prefix hpfx; | |
3242 | int rc; | |
3243 | ||
3244 | /* | |
3245 | * Get VN addr | |
3246 | */ | |
3247 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3248 | return rc; | |
3249 | ||
3250 | ||
3251 | /* | |
3252 | * Get UN addr | |
3253 | */ | |
3254 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3255 | return rc; | |
3256 | ||
3257 | ||
3258 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3259 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3260 | argv[4]->arg, argv[6]->arg); | |
3261 | return CMD_WARNING_CONFIG_FAILED; | |
3262 | } | |
3263 | ||
3264 | /* | |
3265 | * Get prefix to advertise | |
3266 | */ | |
3267 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3268 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3269 | return CMD_WARNING_CONFIG_FAILED; | |
3270 | } | |
3271 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3272 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3273 | return CMD_WARNING_CONFIG_FAILED; | |
3274 | } | |
3275 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3276 | ||
3277 | rfapi_register(handle, &hpfx, 0, NULL, NULL, 1); | |
3278 | ||
3279 | return CMD_SUCCESS; | |
65efcfce LB |
3280 | } |
3281 | ||
3282 | DEFUN (debug_rfapi_query_vn_un, | |
3283 | debug_rfapi_query_vn_un_cmd, | |
034d2de2 | 3284 | "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 |
3285 | DEBUG_STR |
3286 | DEBUG_RFAPI_STR | |
3287 | "rfapi_query\n" | |
3288 | "indicate vn addr follows\n" | |
034d2de2 DS |
3289 | "virtual network interface IPv4 address\n" |
3290 | "virtual network interface IPv6 address\n" | |
3291 | "indicate un addr follows\n" | |
3292 | "IPv4 un address\n" | |
3293 | "IPv6 un address\n" | |
3294 | "indicate target follows\n" | |
3295 | "target IPv4 address\n" | |
3296 | "target IPv6 address\n") | |
65efcfce | 3297 | { |
d62a17ae | 3298 | struct rfapi_ip_addr vn; |
3299 | struct rfapi_ip_addr un; | |
3300 | struct rfapi_ip_addr target; | |
3301 | rfapi_handle handle; | |
3302 | int rc; | |
3303 | struct rfapi_next_hop_entry *pNextHopEntry; | |
3304 | ||
3305 | /* | |
3306 | * Get VN addr | |
3307 | */ | |
3308 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3309 | return rc; | |
3310 | ||
3311 | ||
3312 | /* | |
3313 | * Get UN addr | |
3314 | */ | |
3315 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3316 | return rc; | |
3317 | ||
3318 | ||
3319 | /* | |
3320 | * Get target addr | |
3321 | */ | |
3322 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[8]->arg, &target))) | |
3323 | return rc; | |
3324 | ||
3325 | ||
3326 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3327 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3328 | argv[4]->arg, argv[6]->arg); | |
3329 | return CMD_WARNING_CONFIG_FAILED; | |
3330 | } | |
3331 | ||
3332 | /* | |
3333 | * options parameter not used? Set to NULL for now | |
3334 | */ | |
3335 | rc = rfapi_query(handle, &target, NULL, &pNextHopEntry); | |
3336 | ||
3337 | if (rc) { | |
3338 | vty_out(vty, "rfapi_query failed with rc=%d (%s)\n", rc, | |
3339 | strerror(rc)); | |
3340 | } else { | |
3341 | /* | |
3342 | * print nexthop list | |
3343 | */ | |
3344 | test_nexthops_callback(/*&target, */ pNextHopEntry, | |
3345 | vty); /* frees nh list! */ | |
3346 | } | |
3347 | ||
3348 | return CMD_SUCCESS; | |
65efcfce LB |
3349 | } |
3350 | ||
3351 | ||
3352 | DEFUN (debug_rfapi_query_vn_un_l2o, | |
3353 | debug_rfapi_query_vn_un_l2o_cmd, | |
034d2de2 | 3354 | "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 |
3355 | DEBUG_STR |
3356 | DEBUG_RFAPI_STR | |
3357 | "rfapi_query\n" | |
3358 | "indicate vn addr follows\n" | |
034d2de2 DS |
3359 | "virtual network interface IPv4 address\n" |
3360 | "virtual network interface IPv6 address\n" | |
65efcfce | 3361 | "indicate xt addr follows\n" |
034d2de2 DS |
3362 | "underlay network interface IPv4 address\n" |
3363 | "underlay network interface IPv6 address\n" | |
65efcfce LB |
3364 | "logical network ID follows\n" |
3365 | "logical network ID\n" | |
034d2de2 DS |
3366 | "indicate target MAC addr follows\n" |
3367 | "target MAC addr\n") | |
65efcfce | 3368 | { |
d62a17ae | 3369 | struct rfapi_ip_addr vn; |
3370 | struct rfapi_ip_addr un; | |
d62a17ae | 3371 | int rc; |
d62a17ae | 3372 | |
3373 | /* | |
3374 | * Get VN addr | |
3375 | */ | |
3376 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3377 | return rc; | |
3378 | ||
3379 | ||
3380 | /* | |
3381 | * Get UN addr | |
3382 | */ | |
3383 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3384 | return rc; | |
65efcfce | 3385 | |
d62a17ae | 3386 | vty_out(vty, "%% This command is broken.\n"); |
3387 | return CMD_WARNING_CONFIG_FAILED; | |
65efcfce LB |
3388 | } |
3389 | ||
3390 | ||
3391 | DEFUN (debug_rfapi_query_done_vn_un, | |
3392 | debug_rfapi_query_vn_un_done_cmd, | |
034d2de2 | 3393 | "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 |
3394 | DEBUG_STR |
3395 | DEBUG_RFAPI_STR | |
3396 | "rfapi_query_done\n" | |
034d2de2 | 3397 | "rfapi_query_done\n" |
65efcfce | 3398 | "indicate vn addr follows\n" |
034d2de2 DS |
3399 | "virtual network interface IPv4 address\n" |
3400 | "virtual network interface IPv6 address\n" | |
65efcfce | 3401 | "indicate xt addr follows\n" |
034d2de2 DS |
3402 | "underlay network interface IPv4 address\n" |
3403 | "underlay network interface IPv6 address\n" | |
3404 | "indicate target follows\n" | |
3405 | "Target IPv4 address\n" | |
3406 | "Target IPv6 address\n") | |
65efcfce | 3407 | { |
d62a17ae | 3408 | struct rfapi_ip_addr vn; |
3409 | struct rfapi_ip_addr un; | |
3410 | struct rfapi_ip_addr target; | |
3411 | rfapi_handle handle; | |
3412 | int rc; | |
65efcfce | 3413 | |
d62a17ae | 3414 | /* |
3415 | * Get VN addr | |
3416 | */ | |
3417 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3418 | return rc; | |
65efcfce LB |
3419 | |
3420 | ||
d62a17ae | 3421 | /* |
3422 | * Get UN addr | |
3423 | */ | |
3424 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3425 | return rc; | |
65efcfce LB |
3426 | |
3427 | ||
d62a17ae | 3428 | /* |
3429 | * Get target addr | |
3430 | */ | |
3431 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[9]->arg, &target))) | |
3432 | return rc; | |
65efcfce LB |
3433 | |
3434 | ||
d62a17ae | 3435 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
3436 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3437 | argv[5]->arg, argv[7]->arg); | |
3438 | return CMD_WARNING_CONFIG_FAILED; | |
3439 | } | |
65efcfce | 3440 | |
d62a17ae | 3441 | /* |
3442 | * options parameter not used? Set to NULL for now | |
3443 | */ | |
3444 | rc = rfapi_query_done(handle, &target); | |
65efcfce | 3445 | |
d62a17ae | 3446 | vty_out(vty, "rfapi_query_done returned %d\n", rc); |
65efcfce | 3447 | |
d62a17ae | 3448 | return CMD_SUCCESS; |
65efcfce LB |
3449 | } |
3450 | ||
3451 | DEFUN (debug_rfapi_show_import, | |
3452 | debug_rfapi_show_import_cmd, | |
3453 | "debug rfapi-dev show import", | |
3454 | DEBUG_STR | |
3455 | DEBUG_RFAPI_STR | |
3456 | SHOW_STR | |
3457 | "import\n") | |
3458 | { | |
d62a17ae | 3459 | struct bgp *bgp; |
3460 | struct rfapi *h; | |
3461 | struct rfapi_import_table *it; | |
3462 | char *s; | |
3463 | int first_l2 = 1; | |
3464 | ||
3465 | /* | |
3466 | * Show all import tables | |
3467 | */ | |
3468 | ||
3469 | bgp = bgp_get_default(); /* assume 1 instance for now */ | |
3470 | if (!bgp) { | |
3471 | vty_out(vty, "No BGP instance\n"); | |
3472 | return CMD_WARNING_CONFIG_FAILED; | |
3473 | } | |
3474 | ||
3475 | h = bgp->rfapi; | |
3476 | if (!h) { | |
3477 | vty_out(vty, "No RFAPI instance\n"); | |
3478 | return CMD_WARNING_CONFIG_FAILED; | |
3479 | } | |
3480 | ||
3481 | /* | |
3482 | * Iterate over all import tables; do a filtered import | |
3483 | * for the afi/safi combination | |
3484 | */ | |
3485 | ||
3486 | ||
3487 | for (it = h->imports; it; it = it->next) { | |
3488 | s = ecommunity_ecom2str(it->rt_import_list, | |
3489 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
3490 | vty_out(vty, "Import Table %p, RTs: %s\n", it, s); | |
3491 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
3492 | ||
3493 | rfapiShowImportTable(vty, "IP VPN", it->imported_vpn[AFI_IP], | |
3494 | 1); | |
3495 | rfapiShowImportTable(vty, "IP ENCAP", | |
3496 | it->imported_encap[AFI_IP], 0); | |
3497 | rfapiShowImportTable(vty, "IP6 VPN", it->imported_vpn[AFI_IP6], | |
3498 | 1); | |
3499 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3500 | it->imported_encap[AFI_IP6], 0); | |
3501 | } | |
3502 | ||
3503 | if (h->import_mac) { | |
3504 | void *cursor = NULL; | |
3505 | uint32_t lni; | |
3506 | uintptr_t lni_as_ptr; | |
3507 | int rc; | |
3508 | char buf[BUFSIZ]; | |
3509 | ||
3510 | for (rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3511 | (void **)&it, &cursor); | |
3512 | !rc; | |
3513 | rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3514 | (void **)&it, &cursor)) { | |
3515 | ||
3516 | if (it->imported_vpn[AFI_L2VPN]) { | |
3517 | lni = lni_as_ptr; | |
3518 | if (first_l2) { | |
3519 | vty_out(vty, | |
3520 | "\nLNI-based Ethernet Tables:\n"); | |
3521 | first_l2 = 0; | |
3522 | } | |
3523 | snprintf(buf, BUFSIZ, "L2VPN LNI=%u", lni); | |
3524 | rfapiShowImportTable( | |
3525 | vty, buf, it->imported_vpn[AFI_L2VPN], | |
3526 | 1); | |
3527 | } | |
3528 | } | |
3529 | } | |
3530 | ||
3531 | rfapiShowImportTable(vty, "CE IT - IP VPN", | |
3532 | h->it_ce->imported_vpn[AFI_IP], 1); | |
3533 | ||
3534 | return CMD_SUCCESS; | |
65efcfce LB |
3535 | } |
3536 | ||
3537 | DEFUN (debug_rfapi_show_import_vn_un, | |
3538 | debug_rfapi_show_import_vn_un_cmd, | |
034d2de2 | 3539 | "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 |
3540 | DEBUG_STR |
3541 | DEBUG_RFAPI_STR | |
3542 | SHOW_STR | |
3543 | "import\n" | |
3544 | "indicate vn addr follows\n" | |
034d2de2 DS |
3545 | "virtual network interface IPv4 address\n" |
3546 | "virtual network interface IPv6 address\n" | |
3547 | "indicate xt addr follows\n" | |
3548 | "underlay network interface IPv4 address\n" | |
3549 | "underlay network interface IPv6 address\n") | |
65efcfce | 3550 | { |
d62a17ae | 3551 | struct rfapi_ip_addr vn; |
3552 | struct rfapi_ip_addr un; | |
3553 | rfapi_handle handle; | |
3554 | int rc; | |
3555 | struct rfapi_descriptor *rfd; | |
3556 | ||
3557 | /* | |
3558 | * Get VN addr | |
3559 | */ | |
3560 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3561 | return rc; | |
3562 | ||
3563 | ||
3564 | /* | |
3565 | * Get UN addr | |
3566 | */ | |
3567 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3568 | return rc; | |
3569 | ||
3570 | ||
3571 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3572 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3573 | argv[5]->arg, argv[7]->arg); | |
3574 | return CMD_WARNING_CONFIG_FAILED; | |
3575 | } | |
3576 | ||
3577 | rfd = (struct rfapi_descriptor *)handle; | |
3578 | ||
3579 | rfapiShowImportTable(vty, "IP VPN", | |
3580 | rfd->import_table->imported_vpn[AFI_IP], 1); | |
3581 | rfapiShowImportTable(vty, "IP ENCAP", | |
3582 | rfd->import_table->imported_encap[AFI_IP], 0); | |
3583 | rfapiShowImportTable(vty, "IP6 VPN", | |
3584 | rfd->import_table->imported_vpn[AFI_IP6], 1); | |
3585 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3586 | rfd->import_table->imported_encap[AFI_IP6], 0); | |
3587 | ||
3588 | return CMD_SUCCESS; | |
65efcfce LB |
3589 | } |
3590 | ||
3591 | DEFUN (debug_rfapi_response_omit_self, | |
3592 | debug_rfapi_response_omit_self_cmd, | |
034d2de2 | 3593 | "debug rfapi-dev response-omit-self <on|off>", |
65efcfce LB |
3594 | DEBUG_STR |
3595 | DEBUG_RFAPI_STR | |
3596 | "Omit self in RFP responses\n" | |
3597 | "filter out self from responses\n" "leave self in responses\n") | |
3598 | { | |
d62a17ae | 3599 | struct bgp *bgp = bgp_get_default(); |
3600 | ||
3601 | if (!bgp) { | |
3602 | vty_out(vty, "No BGP process is configured\n"); | |
3603 | return CMD_WARNING_CONFIG_FAILED; | |
3604 | } | |
3605 | if (!bgp->rfapi_cfg) { | |
3606 | vty_out(vty, "VNC not configured\n"); | |
3607 | return CMD_WARNING_CONFIG_FAILED; | |
3608 | } | |
3609 | ||
3610 | if (strmatch(argv[3]->text, "on")) | |
3611 | SET_FLAG(bgp->rfapi_cfg->flags, | |
3612 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3613 | else | |
3614 | UNSET_FLAG(bgp->rfapi_cfg->flags, | |
3615 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3616 | ||
3617 | return CMD_SUCCESS; | |
65efcfce LB |
3618 | } |
3619 | ||
3620 | ||
3621 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
3622 | ||
f8b6f499 | 3623 | #include "lib/skiplist.h" |
65efcfce LB |
3624 | DEFUN (skiplist_test_cli, |
3625 | skiplist_test_cli_cmd, | |
3626 | "skiplist test", | |
3627 | "skiplist command\n" | |
3628 | "test\n") | |
3629 | { | |
d62a17ae | 3630 | skiplist_test(vty); |
65efcfce | 3631 | |
d62a17ae | 3632 | return CMD_SUCCESS; |
65efcfce LB |
3633 | } |
3634 | ||
3635 | DEFUN (skiplist_debug_cli, | |
3636 | skiplist_debug_cli_cmd, | |
3637 | "skiplist debug", | |
3638 | "skiplist command\n" | |
3639 | "debug\n") | |
3640 | { | |
d62a17ae | 3641 | skiplist_debug(vty, NULL); |
3642 | return CMD_SUCCESS; | |
65efcfce LB |
3643 | } |
3644 | ||
3645 | #endif /* RFAPI_DEBUG_SKIPLIST_CLI */ | |
3646 | ||
d62a17ae | 3647 | void rfapi_init(void) |
65efcfce | 3648 | { |
d62a17ae | 3649 | bgp_rfapi_cfg_init(); |
3650 | vnc_debug_init(); | |
65efcfce | 3651 | |
d62a17ae | 3652 | install_element(ENABLE_NODE, &debug_rfapi_show_import_cmd); |
3653 | install_element(ENABLE_NODE, &debug_rfapi_show_import_vn_un_cmd); | |
65efcfce | 3654 | |
d62a17ae | 3655 | install_element(ENABLE_NODE, &debug_rfapi_open_cmd); |
3656 | install_element(ENABLE_NODE, &debug_rfapi_close_vn_un_cmd); | |
3657 | install_element(ENABLE_NODE, &debug_rfapi_close_rfd_cmd); | |
3658 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_cmd); | |
3659 | install_element(ENABLE_NODE, &debug_rfapi_unregister_vn_un_cmd); | |
3660 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_cmd); | |
3661 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_done_cmd); | |
3662 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_l2o_cmd); | |
65efcfce | 3663 | |
d62a17ae | 3664 | install_element(ENABLE_NODE, &debug_rfapi_response_omit_self_cmd); |
65efcfce | 3665 | |
d62a17ae | 3666 | /* Need the following show commands for gpz test scripts */ |
3667 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_cmd); | |
3668 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_vn_un_cmd); | |
3669 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_l2o_cmd); | |
65efcfce LB |
3670 | |
3671 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
d62a17ae | 3672 | install_element(ENABLE_NODE, &skiplist_test_cli_cmd); |
3673 | install_element(ENABLE_NODE, &skiplist_debug_cli_cmd); | |
65efcfce LB |
3674 | #endif |
3675 | ||
d62a17ae | 3676 | rfapi_vty_init(); |
65efcfce LB |
3677 | } |
3678 | ||
3679 | #ifdef DEBUG_RFAPI | |
d62a17ae | 3680 | static void rfapi_print_exported(struct bgp *bgp) |
65efcfce | 3681 | { |
d62a17ae | 3682 | struct bgp_node *rdn; |
3683 | struct bgp_node *rn; | |
3684 | struct bgp_info *bi; | |
3685 | ||
3686 | if (!bgp) | |
3687 | return; | |
3688 | ||
3689 | for (rdn = bgp_table_top(bgp->rib[AFI_IP][SAFI_MPLS_VPN]); rdn; | |
3690 | rdn = bgp_route_next(rdn)) { | |
3691 | if (!rdn->info) | |
3692 | continue; | |
3693 | fprintf(stderr, "%s: vpn rdn=%p\n", __func__, rdn); | |
3694 | for (rn = bgp_table_top(rdn->info); rn; | |
3695 | rn = bgp_route_next(rn)) { | |
3696 | if (!rn->info) | |
3697 | continue; | |
3698 | fprintf(stderr, "%s: rn=%p\n", __func__, rn); | |
3699 | for (bi = rn->info; bi; bi = bi->next) { | |
3700 | rfapiPrintBi((void *)2, bi); /* 2 => stderr */ | |
3701 | } | |
3702 | } | |
3703 | } | |
3704 | for (rdn = bgp_table_top(bgp->rib[AFI_IP][SAFI_ENCAP]); rdn; | |
3705 | rdn = bgp_route_next(rdn)) { | |
3706 | if (!rdn->info) | |
3707 | continue; | |
3708 | fprintf(stderr, "%s: encap rdn=%p\n", __func__, rdn); | |
3709 | for (rn = bgp_table_top(rdn->info); rn; | |
3710 | rn = bgp_route_next(rn)) { | |
3711 | if (!rn->info) | |
3712 | continue; | |
3713 | fprintf(stderr, "%s: rn=%p\n", __func__, rn); | |
3714 | for (bi = rn->info; bi; bi = bi->next) { | |
3715 | rfapiPrintBi((void *)2, bi); /* 2 => stderr */ | |
3716 | } | |
3717 | } | |
3718 | } | |
65efcfce LB |
3719 | } |
3720 | #endif /* defined(DEBUG_RFAPI) */ | |
3721 | ||
3722 | /* | |
3723 | * Free all memory to prepare for clean exit as seen by valgrind memcheck | |
3724 | */ | |
d62a17ae | 3725 | void rfapi_delete(struct bgp *bgp) |
65efcfce | 3726 | { |
d62a17ae | 3727 | extern void rfp_clear_vnc_nve_all(void); /* can't fix correctly yet */ |
3728 | ||
3729 | /* | |
3730 | * This clears queries and registered routes, and closes nves | |
3731 | */ | |
3732 | if (bgp->rfapi) | |
3733 | rfp_clear_vnc_nve_all(); | |
3734 | bgp_rfapi_cfg_destroy(bgp, bgp->rfapi_cfg); | |
3735 | bgp->rfapi_cfg = NULL; | |
3736 | bgp_rfapi_destroy(bgp, bgp->rfapi); | |
3737 | bgp->rfapi = NULL; | |
65efcfce | 3738 | #ifdef DEBUG_RFAPI |
d62a17ae | 3739 | /* |
3740 | * show what's left in the BGP MPLSVPN RIB | |
3741 | */ | |
3742 | rfapi_print_exported(bgp); | |
65efcfce | 3743 | #endif |
65efcfce LB |
3744 | } |
3745 | ||
d62a17ae | 3746 | int rfapi_set_autord_from_vn(struct prefix_rd *rd, struct rfapi_ip_addr *vn) |
65efcfce | 3747 | { |
d62a17ae | 3748 | vnc_zlog_debug_verbose("%s: auto-assigning RD", __func__); |
3749 | if (vn->addr_family != AF_INET && vn->addr_family != AF_INET6) { | |
3750 | vnc_zlog_debug_verbose( | |
3751 | "%s: can't auto-assign RD, VN addr family is not IPv4" | |
3752 | "|v6", | |
3753 | __func__); | |
3754 | return EAFNOSUPPORT; | |
3755 | } | |
3756 | rd->family = AF_UNSPEC; | |
3757 | rd->prefixlen = 64; | |
3758 | rd->val[1] = RD_TYPE_IP; | |
3759 | if (vn->addr_family == AF_INET) { | |
3760 | memcpy(rd->val + 2, &vn->addr.v4.s_addr, 4); | |
3761 | } else { /* is v6 */ | |
3762 | memcpy(rd->val + 2, &vn->addr.v6.s6_addr32[3], | |
3763 | 4); /* low order 4 bytes */ | |
3764 | } | |
3765 | { | |
06b9f471 DS |
3766 | char buf[RD_ADDRSTRLEN]; |
3767 | ||
d62a17ae | 3768 | vnc_zlog_debug_verbose("%s: auto-RD is set to %s", __func__, |
06b9f471 | 3769 | prefix_rd2str(rd, buf, sizeof(buf))); |
d62a17ae | 3770 | } |
3771 | return 0; | |
65efcfce LB |
3772 | } |
3773 | ||
3774 | /*------------------------------------------ | |
3775 | * rfapi_bgp_lookup_by_rfp | |
3776 | * | |
3777 | * Find bgp instance pointer based on value returned by rfp_start | |
3778 | * | |
d62a17ae | 3779 | * input: |
65efcfce LB |
3780 | * rfp_start_val value returned by rfp_startor |
3781 | * NULL (=get default instance) | |
3782 | * | |
3783 | * output: | |
3784 | * none | |
3785 | * | |
3786 | * return value: | |
3787 | * bgp bgp instance pointer | |
3788 | * NULL = not found | |
3789 | * | |
3790 | --------------------------------------------*/ | |
d62a17ae | 3791 | struct bgp *rfapi_bgp_lookup_by_rfp(void *rfp_start_val) |
65efcfce | 3792 | { |
d62a17ae | 3793 | struct bgp *bgp = NULL; |
3794 | struct listnode *node, *nnode; | |
3795 | ||
3796 | if (rfp_start_val == NULL) | |
3797 | bgp = bgp_get_default(); | |
3798 | else | |
3799 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) | |
3800 | if (bgp->rfapi != NULL | |
3801 | && bgp->rfapi->rfp == rfp_start_val) | |
3802 | return bgp; | |
3803 | return bgp; | |
65efcfce LB |
3804 | } |
3805 | ||
3806 | /*------------------------------------------ | |
3807 | * rfapi_get_rfp_start_val_by_bgp | |
3808 | * | |
3809 | * Find bgp instance pointer based on value returned by rfp_start | |
3810 | * | |
d62a17ae | 3811 | * input: |
65efcfce LB |
3812 | * bgp bgp instance pointer |
3813 | * | |
3814 | * output: | |
3815 | * none | |
3816 | * | |
3817 | * return value: | |
3818 | * rfp_start_val | |
3819 | * NULL = not found | |
3820 | * | |
3821 | --------------------------------------------*/ | |
d62a17ae | 3822 | void *rfapi_get_rfp_start_val_by_bgp(struct bgp *bgp) |
65efcfce | 3823 | { |
d62a17ae | 3824 | if (!bgp || !bgp->rfapi) |
3825 | return NULL; | |
3826 | return bgp->rfapi->rfp; | |
65efcfce LB |
3827 | } |
3828 | ||
3829 | /*********************************************************************** | |
3830 | * RFP group specific configuration | |
3831 | ***********************************************************************/ | |
d62a17ae | 3832 | static void *rfapi_rfp_get_or_init_group_config_default(struct rfapi_cfg *rfc, |
3833 | struct vty *vty, | |
3834 | uint32_t size) | |
65efcfce | 3835 | { |
d62a17ae | 3836 | if (rfc->default_rfp_cfg == NULL && size > 0) { |
3837 | rfc->default_rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3838 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3839 | size); | |
3840 | } | |
3841 | return rfc->default_rfp_cfg; | |
65efcfce LB |
3842 | } |
3843 | ||
d62a17ae | 3844 | static void *rfapi_rfp_get_or_init_group_config_nve(struct rfapi_cfg *rfc, |
3845 | struct vty *vty, | |
3846 | uint32_t size) | |
65efcfce | 3847 | { |
d62a17ae | 3848 | struct rfapi_nve_group_cfg *rfg = |
3849 | VTY_GET_CONTEXT_SUB(rfapi_nve_group_cfg); | |
3850 | ||
3851 | /* make sure group is still in list */ | |
3852 | if (!rfg || !listnode_lookup(rfc->nve_groups_sequential, rfg)) { | |
3853 | /* Not in list anymore */ | |
3854 | vty_out(vty, "Current NVE group no longer exists\n"); | |
3855 | return NULL; | |
3856 | } | |
3857 | ||
3858 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3859 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3860 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3861 | size); | |
3862 | } | |
3863 | return rfg->rfp_cfg; | |
65efcfce LB |
3864 | } |
3865 | ||
d62a17ae | 3866 | static void *rfapi_rfp_get_or_init_group_config_l2(struct rfapi_cfg *rfc, |
3867 | struct vty *vty, | |
3868 | uint32_t size) | |
65efcfce | 3869 | { |
d62a17ae | 3870 | struct rfapi_l2_group_cfg *rfg = |
3871 | VTY_GET_CONTEXT_SUB(rfapi_l2_group_cfg); | |
3872 | ||
3873 | /* make sure group is still in list */ | |
3874 | if (!rfg || !listnode_lookup(rfc->l2_groups, rfg)) { | |
3875 | /* Not in list anymore */ | |
3876 | vty_out(vty, "Current L2 group no longer exists\n"); | |
3877 | return NULL; | |
3878 | } | |
3879 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3880 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3881 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3882 | size); | |
3883 | } | |
3884 | return rfg->rfp_cfg; | |
65efcfce LB |
3885 | } |
3886 | ||
3887 | /*------------------------------------------ | |
3888 | * rfapi_rfp_init_group_config_ptr_vty | |
3889 | * | |
3890 | * This is used to init or return a previously init'ed group specific | |
d62a17ae | 3891 | * configuration pointer. Group is identified by vty context. |
65efcfce LB |
3892 | * NOTE: size is ignored when a previously init'ed value is returned. |
3893 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
3894 | * bgp restart or shutdown. | |
3895 | * | |
d62a17ae | 3896 | * input: |
65efcfce LB |
3897 | * rfp_start_val value returned by rfp_start |
3898 | * type group type | |
3899 | * vty quagga vty context | |
3900 | * size number of bytes to allocation | |
3901 | * | |
3902 | * output: | |
3903 | * none | |
3904 | * | |
d62a17ae | 3905 | * return value: |
65efcfce LB |
3906 | * rfp_cfg_group NULL or Pointer to configuration structure |
3907 | --------------------------------------------*/ | |
d62a17ae | 3908 | void *rfapi_rfp_init_group_config_ptr_vty(void *rfp_start_val, |
3909 | rfapi_rfp_cfg_group_type type, | |
3910 | struct vty *vty, uint32_t size) | |
65efcfce | 3911 | { |
d62a17ae | 3912 | struct bgp *bgp; |
3913 | void *ret = NULL; | |
3914 | ||
3915 | if (rfp_start_val == NULL || vty == NULL) | |
3916 | return NULL; | |
3917 | ||
3918 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
3919 | if (!bgp || !bgp->rfapi_cfg) | |
3920 | return NULL; | |
3921 | ||
3922 | switch (type) { | |
3923 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
3924 | ret = rfapi_rfp_get_or_init_group_config_default(bgp->rfapi_cfg, | |
3925 | vty, size); | |
3926 | break; | |
3927 | case RFAPI_RFP_CFG_GROUP_NVE: | |
3928 | ret = rfapi_rfp_get_or_init_group_config_nve(bgp->rfapi_cfg, | |
3929 | vty, size); | |
3930 | break; | |
3931 | case RFAPI_RFP_CFG_GROUP_L2: | |
3932 | ret = rfapi_rfp_get_or_init_group_config_l2(bgp->rfapi_cfg, vty, | |
3933 | size); | |
3934 | break; | |
3935 | default: | |
3936 | zlog_err("%s: Unknown group type=%d", __func__, type); | |
3937 | /* should never happen */ | |
3938 | assert("Unknown type" == NULL); | |
3939 | break; | |
3940 | } | |
3941 | return ret; | |
65efcfce LB |
3942 | } |
3943 | ||
3944 | /*------------------------------------------ | |
3945 | * rfapi_rfp_get_group_config_ptr_vty | |
3946 | * | |
3947 | * This is used to get group specific configuration pointer. | |
3948 | * Group is identified by type and vty context. | |
3949 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
d62a17ae | 3950 | * bgp restart or shutdown. |
65efcfce | 3951 | * |
d62a17ae | 3952 | * input: |
65efcfce LB |
3953 | * rfp_start_val value returned by rfp_start |
3954 | * type group type | |
3955 | * vty quagga vty context | |
3956 | * | |
3957 | * output: | |
3958 | * none | |
3959 | * | |
3960 | * return value: | |
d62a17ae | 3961 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 3962 | --------------------------------------------*/ |
d62a17ae | 3963 | void *rfapi_rfp_get_group_config_ptr_vty(void *rfp_start_val, |
3964 | rfapi_rfp_cfg_group_type type, | |
3965 | struct vty *vty) | |
65efcfce | 3966 | { |
d62a17ae | 3967 | return rfapi_rfp_init_group_config_ptr_vty(rfp_start_val, type, vty, 0); |
65efcfce LB |
3968 | } |
3969 | ||
3970 | static void * | |
d62a17ae | 3971 | rfapi_rfp_get_group_config_name_nve(struct rfapi_cfg *rfc, const char *name, |
3972 | void *criteria, | |
3973 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3974 | { |
d62a17ae | 3975 | struct rfapi_nve_group_cfg *rfg; |
3976 | struct listnode *node; | |
3977 | ||
3978 | for (ALL_LIST_ELEMENTS_RO(rfc->nve_groups_sequential, node, rfg)) { | |
3979 | if (!strcmp(rfg->name, name) && /* name match */ | |
3980 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3981 | return rfg->rfp_cfg; | |
3982 | } | |
3983 | return NULL; | |
65efcfce LB |
3984 | } |
3985 | ||
3986 | static void * | |
d62a17ae | 3987 | rfapi_rfp_get_group_config_name_l2(struct rfapi_cfg *rfc, const char *name, |
3988 | void *criteria, | |
3989 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3990 | { |
d62a17ae | 3991 | struct rfapi_l2_group_cfg *rfg; |
3992 | struct listnode *node; | |
3993 | ||
3994 | for (ALL_LIST_ELEMENTS_RO(rfc->l2_groups, node, rfg)) { | |
3995 | if (!strcmp(rfg->name, name) && /* name match */ | |
3996 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3997 | return rfg->rfp_cfg; | |
3998 | } | |
3999 | return NULL; | |
65efcfce LB |
4000 | } |
4001 | ||
4002 | /*------------------------------------------ | |
4003 | * rfapi_rfp_get_group_config_ptr_name | |
4004 | * | |
4005 | * This is used to get group specific configuration pointer. | |
d62a17ae | 4006 | * Group is identified by type and name context. |
65efcfce LB |
4007 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, |
4008 | * bgp restart or shutdown. | |
4009 | * | |
d62a17ae | 4010 | * input: |
65efcfce LB |
4011 | * rfp_start_val value returned by rfp_start |
4012 | * type group type | |
4013 | * name group name | |
4014 | * criteria RFAPI caller provided serach criteria | |
4015 | * search_cb optional rfp_group_config_search_cb_t | |
4016 | * | |
4017 | * output: | |
4018 | * none | |
4019 | * | |
4020 | * return value: | |
d62a17ae | 4021 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 4022 | --------------------------------------------*/ |
d62a17ae | 4023 | void *rfapi_rfp_get_group_config_ptr_name( |
4024 | void *rfp_start_val, rfapi_rfp_cfg_group_type type, const char *name, | |
4025 | void *criteria, rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 4026 | { |
d62a17ae | 4027 | struct bgp *bgp; |
4028 | void *ret = NULL; | |
4029 | ||
4030 | if (rfp_start_val == NULL || name == NULL) | |
4031 | return NULL; | |
4032 | ||
4033 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
4034 | if (!bgp || !bgp->rfapi_cfg) | |
4035 | return NULL; | |
4036 | ||
4037 | switch (type) { | |
4038 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
4039 | ret = bgp->rfapi_cfg->default_rfp_cfg; | |
4040 | break; | |
4041 | case RFAPI_RFP_CFG_GROUP_NVE: | |
4042 | ret = rfapi_rfp_get_group_config_name_nve(bgp->rfapi_cfg, name, | |
4043 | criteria, search_cb); | |
4044 | break; | |
4045 | case RFAPI_RFP_CFG_GROUP_L2: | |
4046 | ret = rfapi_rfp_get_group_config_name_l2(bgp->rfapi_cfg, name, | |
4047 | criteria, search_cb); | |
4048 | break; | |
4049 | default: | |
4050 | zlog_err("%s: Unknown group type=%d", __func__, type); | |
4051 | /* should never happen */ | |
4052 | assert("Unknown type" == NULL); | |
4053 | break; | |
4054 | } | |
4055 | return ret; | |
65efcfce LB |
4056 | } |
4057 | ||
4058 | /*------------------------------------------ | |
4059 | * rfapi_rfp_get_l2_group_config_ptr_lni | |
4060 | * | |
4061 | * This is used to get group specific configuration pointer. | |
4062 | * Group is identified by type and logical network identifier. | |
4063 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4064 | * bgp restart or shutdown. | |
4065 | * | |
d62a17ae | 4066 | * input: |
65efcfce LB |
4067 | * rfp_start_val value returned by rfp_start |
4068 | * type group type | |
4069 | * logical_net_id group logical network identifier | |
4070 | * criteria RFAPI caller provided serach criteria | |
4071 | * search_cb optional rfp_group_config_search_cb_t | |
4072 | * | |
4073 | * output: | |
4074 | * none | |
4075 | * | |
4076 | * return value: | |
d62a17ae | 4077 | * rfp_cfg_group Pointer to configuration structure |
65efcfce LB |
4078 | --------------------------------------------*/ |
4079 | void * | |
d62a17ae | 4080 | rfapi_rfp_get_l2_group_config_ptr_lni(void *rfp_start_val, |
4081 | uint32_t logical_net_id, void *criteria, | |
4082 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 4083 | { |
d62a17ae | 4084 | struct bgp *bgp; |
4085 | struct rfapi_l2_group_cfg *rfg; | |
4086 | struct listnode *node; | |
4087 | ||
4088 | if (rfp_start_val == NULL) | |
4089 | return NULL; | |
4090 | ||
4091 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
4092 | if (!bgp || !bgp->rfapi_cfg) | |
4093 | return NULL; | |
4094 | ||
4095 | for (ALL_LIST_ELEMENTS_RO(bgp->rfapi_cfg->l2_groups, node, rfg)) { | |
4096 | if (rfg->logical_net_id == logical_net_id | |
4097 | && (search_cb == NULL | |
4098 | || !search_cb(criteria, rfg->rfp_cfg))) { | |
4099 | if (rfg->rfp_cfg == NULL) | |
4100 | vnc_zlog_debug_verbose( | |
4101 | "%s: returning rfp group config for lni=0", | |
4102 | __func__); | |
4103 | return rfg->rfp_cfg; | |
4104 | } | |
4105 | } | |
4106 | return NULL; | |
65efcfce | 4107 | } |