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Commit | Line | Data |
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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 | ||
f8b6f499 LB |
21 | #include "lib/zebra.h" |
22 | #include "lib/prefix.h" | |
fe08ba7e | 23 | #include "lib/agg_table.h" |
f8b6f499 LB |
24 | #include "lib/vty.h" |
25 | #include "lib/memory.h" | |
26 | #include "lib/routemap.h" | |
27 | #include "lib/log.h" | |
28 | #include "lib/linklist.h" | |
29 | #include "lib/command.h" | |
30 | #include "lib/stream.h" | |
74ffbfe6 | 31 | #include "lib/ringbuf.h" |
02705213 | 32 | #include "lib/lib_errors.h" |
f8b6f499 LB |
33 | |
34 | #include "bgpd/bgpd.h" | |
35 | #include "bgpd/bgp_ecommunity.h" | |
36 | #include "bgpd/bgp_attr.h" | |
f8b6f499 LB |
37 | |
38 | #include "bgpd/rfapi/bgp_rfapi_cfg.h" | |
39 | #include "bgpd/rfapi/rfapi.h" | |
40 | #include "bgpd/rfapi/rfapi_backend.h" | |
41 | ||
42 | #include "bgpd/bgp_route.h" | |
c016b6c7 | 43 | #include "bgpd/bgp_mplsvpn.h" |
f8b6f499 LB |
44 | #include "bgpd/bgp_aspath.h" |
45 | #include "bgpd/bgp_advertise.h" | |
46 | #include "bgpd/bgp_vnc_types.h" | |
47 | #include "bgpd/bgp_zebra.h" | |
48 | ||
49 | #include "bgpd/rfapi/rfapi_import.h" | |
50 | #include "bgpd/rfapi/rfapi_private.h" | |
51 | #include "bgpd/rfapi/rfapi_monitor.h" | |
52 | #include "bgpd/rfapi/rfapi_vty.h" | |
53 | #include "bgpd/rfapi/vnc_export_bgp.h" | |
54 | #include "bgpd/rfapi/vnc_export_bgp_p.h" | |
55 | #include "bgpd/rfapi/vnc_zebra.h" | |
56 | #include "bgpd/rfapi/vnc_import_bgp.h" | |
57 | #include "bgpd/rfapi/rfapi_rib.h" | |
58 | #include "bgpd/rfapi/rfapi_ap.h" | |
59 | #include "bgpd/rfapi/rfapi_encap_tlv.h" | |
60 | #include "bgpd/rfapi/vnc_debug.h" | |
65efcfce LB |
61 | |
62 | #ifdef HAVE_GLIBC_BACKTRACE | |
63 | /* for backtrace and friends */ | |
64 | #include <execinfo.h> | |
65 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
66 | ||
d62a17ae | 67 | struct ethaddr rfapi_ethaddr0 = {{0}}; |
65efcfce LB |
68 | |
69 | #define DEBUG_RFAPI_STR "RF API debugging/testing command\n" | |
70 | ||
d62a17ae | 71 | const char *rfapi_error_str(int code) |
65efcfce | 72 | { |
d62a17ae | 73 | switch (code) { |
74 | case 0: | |
75 | return "Success"; | |
76 | case ENXIO: | |
77 | return "BGP or VNC not configured"; | |
78 | case ENOENT: | |
79 | return "No match"; | |
80 | case EEXIST: | |
81 | return "Handle already open"; | |
82 | case ENOMSG: | |
83 | return "Incomplete configuration"; | |
84 | case EAFNOSUPPORT: | |
85 | return "Invalid address family"; | |
86 | case EDEADLK: | |
87 | return "Called from within a callback procedure"; | |
88 | case EBADF: | |
89 | return "Invalid handle"; | |
90 | case EINVAL: | |
91 | return "Invalid argument"; | |
92 | case ESTALE: | |
93 | return "Stale descriptor"; | |
94 | default: | |
95 | return "Unknown error"; | |
96 | } | |
65efcfce LB |
97 | } |
98 | ||
99 | /*------------------------------------------ | |
100 | * rfapi_get_response_lifetime_default | |
101 | * | |
102 | * Returns the default lifetime for a response. | |
103 | * rfp_start_val value returned by rfp_start or | |
104 | * NULL (=use default instance) | |
105 | * | |
d62a17ae | 106 | * input: |
65efcfce LB |
107 | * None |
108 | * | |
109 | * output: | |
110 | * | |
111 | * return value: The bgp instance default lifetime for a response. | |
112 | --------------------------------------------*/ | |
d62a17ae | 113 | int rfapi_get_response_lifetime_default(void *rfp_start_val) |
65efcfce | 114 | { |
d62a17ae | 115 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
116 | if (bgp) | |
117 | return bgp->rfapi_cfg->default_response_lifetime; | |
118 | return BGP_VNC_DEFAULT_RESPONSE_LIFETIME_DEFAULT; | |
65efcfce LB |
119 | } |
120 | ||
121 | /*------------------------------------------ | |
122 | * rfapi_is_vnc_configured | |
123 | * | |
00827590 | 124 | * Returns if VNC is configured |
65efcfce | 125 | * |
d62a17ae | 126 | * input: |
65efcfce LB |
127 | * rfp_start_val value returned by rfp_start or |
128 | * NULL (=use default instance) | |
129 | * | |
130 | * output: | |
131 | * | |
132 | * return value: If VNC is configured for the bgpd instance | |
133 | * 0 Success | |
134 | * ENXIO VNC not configured | |
135 | --------------------------------------------*/ | |
d62a17ae | 136 | int rfapi_is_vnc_configured(void *rfp_start_val) |
65efcfce | 137 | { |
d62a17ae | 138 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
00827590 LB |
139 | if (bgp_rfapi_is_vnc_configured(bgp) == 0) |
140 | return 0; | |
141 | return ENXIO; | |
65efcfce LB |
142 | } |
143 | ||
144 | ||
145 | /*------------------------------------------ | |
146 | * rfapi_get_vn_addr | |
147 | * | |
148 | * Get the virtual network address used by an NVE based on it's RFD | |
149 | * | |
d62a17ae | 150 | * input: |
65efcfce LB |
151 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic |
152 | * | |
153 | * output: | |
154 | * | |
d62a17ae | 155 | * return value: |
65efcfce LB |
156 | * vn NVE virtual network address |
157 | *------------------------------------------*/ | |
d62a17ae | 158 | struct rfapi_ip_addr *rfapi_get_vn_addr(void *rfd) |
65efcfce | 159 | { |
d62a17ae | 160 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; |
161 | return &rrfd->vn_addr; | |
65efcfce LB |
162 | } |
163 | ||
164 | /*------------------------------------------ | |
165 | * rfapi_get_un_addr | |
166 | * | |
167 | * Get the underlay network address used by an NVE based on it's RFD | |
168 | * | |
d62a17ae | 169 | * input: |
65efcfce LB |
170 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic |
171 | * | |
172 | * output: | |
173 | * | |
d62a17ae | 174 | * return value: |
65efcfce LB |
175 | * un NVE underlay network address |
176 | *------------------------------------------*/ | |
d62a17ae | 177 | struct rfapi_ip_addr *rfapi_get_un_addr(void *rfd) |
65efcfce | 178 | { |
d62a17ae | 179 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; |
180 | return &rrfd->un_addr; | |
65efcfce LB |
181 | } |
182 | ||
d62a17ae | 183 | int rfapi_ip_addr_cmp(struct rfapi_ip_addr *a1, struct rfapi_ip_addr *a2) |
65efcfce | 184 | { |
d62a17ae | 185 | if (a1->addr_family != a2->addr_family) |
186 | return a1->addr_family - a2->addr_family; | |
65efcfce | 187 | |
d62a17ae | 188 | if (a1->addr_family == AF_INET) { |
189 | return IPV4_ADDR_CMP(&a1->addr.v4, &a2->addr.v4); | |
190 | } | |
65efcfce | 191 | |
d62a17ae | 192 | if (a1->addr_family == AF_INET6) { |
193 | return IPV6_ADDR_CMP(&a1->addr.v6, &a2->addr.v6); | |
194 | } | |
65efcfce | 195 | |
d62a17ae | 196 | assert(1); |
197 | /* NOTREACHED */ | |
198 | return 1; | |
65efcfce LB |
199 | } |
200 | ||
d62a17ae | 201 | static int rfapi_find_node(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
202 | struct rfapi_ip_addr *un_addr, | |
fe08ba7e | 203 | struct agg_node **node) |
65efcfce | 204 | { |
d62a17ae | 205 | struct rfapi *h; |
206 | struct prefix p; | |
fe08ba7e | 207 | struct agg_node *rn; |
d62a17ae | 208 | int rc; |
e7038dde | 209 | afi_t afi; |
65efcfce | 210 | |
d62a17ae | 211 | if (!bgp) { |
212 | return ENXIO; | |
213 | } | |
65efcfce | 214 | |
d62a17ae | 215 | h = bgp->rfapi; |
216 | if (!h) { | |
217 | return ENXIO; | |
218 | } | |
65efcfce | 219 | |
d62a17ae | 220 | afi = family2afi(un_addr->addr_family); |
221 | if (!afi) { | |
222 | return EAFNOSUPPORT; | |
223 | } | |
65efcfce | 224 | |
d62a17ae | 225 | if ((rc = rfapiRaddr2Qprefix(un_addr, &p))) |
226 | return rc; | |
65efcfce | 227 | |
fe08ba7e | 228 | rn = agg_node_lookup(h->un[afi], &p); |
65efcfce | 229 | |
d62a17ae | 230 | if (!rn) |
231 | return ENOENT; | |
65efcfce | 232 | |
fe08ba7e | 233 | agg_unlock_node(rn); |
65efcfce | 234 | |
d62a17ae | 235 | *node = rn; |
65efcfce | 236 | |
d62a17ae | 237 | return 0; |
65efcfce LB |
238 | } |
239 | ||
240 | ||
d62a17ae | 241 | int rfapi_find_rfd(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
242 | struct rfapi_ip_addr *un_addr, struct rfapi_descriptor **rfd) | |
65efcfce | 243 | { |
fe08ba7e | 244 | struct agg_node *rn; |
d62a17ae | 245 | int rc; |
65efcfce | 246 | |
d62a17ae | 247 | rc = rfapi_find_node(bgp, vn_addr, un_addr, &rn); |
65efcfce | 248 | |
d62a17ae | 249 | if (rc) |
250 | return rc; | |
65efcfce | 251 | |
d62a17ae | 252 | for (*rfd = (struct rfapi_descriptor *)(rn->info); *rfd; |
253 | *rfd = (*rfd)->next) { | |
254 | if (!rfapi_ip_addr_cmp(&(*rfd)->vn_addr, vn_addr)) | |
255 | break; | |
256 | } | |
65efcfce | 257 | |
d62a17ae | 258 | if (!*rfd) |
259 | return ENOENT; | |
65efcfce | 260 | |
d62a17ae | 261 | return 0; |
65efcfce LB |
262 | } |
263 | ||
264 | /*------------------------------------------ | |
265 | * rfapi_find_handle | |
266 | * | |
d62a17ae | 267 | * input: |
65efcfce LB |
268 | * un underlay network address |
269 | * vn virtual network address | |
270 | * | |
271 | * output: | |
272 | * pHandle pointer to location to store handle | |
273 | * | |
d62a17ae | 274 | * return value: |
65efcfce LB |
275 | * 0 Success |
276 | * ENOENT no matching handle | |
277 | * ENXIO BGP or VNC not configured | |
278 | *------------------------------------------*/ | |
d62a17ae | 279 | static int rfapi_find_handle(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
280 | struct rfapi_ip_addr *un_addr, | |
281 | rfapi_handle *handle) | |
65efcfce | 282 | { |
d62a17ae | 283 | struct rfapi_descriptor **rfd; |
65efcfce | 284 | |
d62a17ae | 285 | rfd = (struct rfapi_descriptor **)handle; |
65efcfce | 286 | |
d62a17ae | 287 | return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); |
65efcfce LB |
288 | } |
289 | ||
d62a17ae | 290 | static int rfapi_find_handle_vty(struct vty *vty, struct rfapi_ip_addr *vn_addr, |
291 | struct rfapi_ip_addr *un_addr, | |
292 | rfapi_handle *handle) | |
65efcfce | 293 | { |
d62a17ae | 294 | struct bgp *bgp; |
295 | struct rfapi_descriptor **rfd; | |
65efcfce | 296 | |
d62a17ae | 297 | bgp = bgp_get_default(); /* assume 1 instance for now */ |
65efcfce | 298 | |
d62a17ae | 299 | rfd = (struct rfapi_descriptor **)handle; |
65efcfce | 300 | |
d62a17ae | 301 | return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); |
65efcfce LB |
302 | } |
303 | ||
d62a17ae | 304 | static int is_valid_rfd(struct rfapi_descriptor *rfd) |
65efcfce | 305 | { |
d62a17ae | 306 | rfapi_handle hh; |
65efcfce | 307 | |
d62a17ae | 308 | if (!rfd || rfd->bgp == NULL) |
309 | return 0; | |
65efcfce | 310 | |
d62a17ae | 311 | if (CHECK_FLAG( |
312 | rfd->flags, | |
313 | RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ | |
314 | return 1; | |
5ff06872 | 315 | |
d62a17ae | 316 | if (rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh)) |
317 | return 0; | |
65efcfce | 318 | |
d62a17ae | 319 | if (rfd != hh) |
320 | return 0; | |
65efcfce | 321 | |
d62a17ae | 322 | return 1; |
65efcfce LB |
323 | } |
324 | ||
325 | /* | |
326 | * check status of descriptor | |
327 | */ | |
d62a17ae | 328 | int rfapi_check(void *handle) |
65efcfce | 329 | { |
d62a17ae | 330 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
331 | rfapi_handle hh; | |
332 | int rc; | |
65efcfce | 333 | |
d62a17ae | 334 | if (!rfd || rfd->bgp == NULL) |
335 | return EINVAL; | |
65efcfce | 336 | |
d62a17ae | 337 | if (CHECK_FLAG( |
338 | rfd->flags, | |
339 | RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ | |
340 | return 0; | |
5ff06872 | 341 | |
d62a17ae | 342 | if ((rc = rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, |
343 | &hh))) | |
344 | return rc; | |
65efcfce | 345 | |
d62a17ae | 346 | if (rfd != hh) |
347 | return ENOENT; | |
65efcfce | 348 | |
d62a17ae | 349 | if (!rfd->rfg) |
350 | return ESTALE; | |
65efcfce | 351 | |
d62a17ae | 352 | return 0; |
65efcfce LB |
353 | } |
354 | ||
355 | ||
d62a17ae | 356 | void del_vnc_route(struct rfapi_descriptor *rfd, |
357 | struct peer *peer, /* rfd->peer for RFP regs */ | |
358 | struct bgp *bgp, safi_t safi, struct prefix *p, | |
359 | struct prefix_rd *prd, uint8_t type, uint8_t sub_type, | |
360 | struct rfapi_nexthop *lnh, int kill) | |
65efcfce | 361 | { |
d62a17ae | 362 | afi_t afi; /* of the VN address */ |
363 | struct bgp_node *bn; | |
40381db7 | 364 | struct bgp_path_info *bpi; |
872ed4c7 | 365 | char buf[PREFIX_STRLEN]; |
06b9f471 | 366 | char buf2[RD_ADDRSTRLEN]; |
d62a17ae | 367 | struct prefix_rd prd0; |
368 | ||
872ed4c7 | 369 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 370 | |
371 | afi = family2afi(p->family); | |
372 | assert(afi == AFI_IP || afi == AFI_IP6); | |
373 | ||
374 | if (safi == SAFI_ENCAP) { | |
375 | memset(&prd0, 0, sizeof(prd0)); | |
376 | prd0.family = AF_UNSPEC; | |
377 | prd0.prefixlen = 64; | |
378 | prd = &prd0; | |
379 | } | |
380 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
381 | ||
382 | vnc_zlog_debug_verbose( | |
383 | "%s: peer=%p, prefix=%s, prd=%s afi=%d, safi=%d bn=%p, bn->info=%p", | |
996c9314 | 384 | __func__, peer, buf, prefix_rd2str(prd, buf2, sizeof(buf2)), |
6f94b685 | 385 | afi, safi, bn, (bn ? bgp_node_get_bgp_path_info(bn) : NULL)); |
d62a17ae | 386 | |
6f94b685 DS |
387 | for (bpi = (bn ? bgp_node_get_bgp_path_info(bn) : NULL); bpi; |
388 | bpi = bpi->next) { | |
d62a17ae | 389 | |
390 | vnc_zlog_debug_verbose( | |
05864da7 | 391 | "%s: trying bpi=%p, bpi->peer=%p, bpi->type=%d, bpi->sub_type=%d, bpi->extra->vnc.export.rfapi_handle=%p, local_pref=%" PRIu64, |
40381db7 DS |
392 | __func__, bpi, bpi->peer, bpi->type, bpi->sub_type, |
393 | (bpi->extra ? bpi->extra->vnc.export.rfapi_handle | |
394 | : NULL), | |
05864da7 DS |
395 | CHECK_FLAG(bpi->attr->flag, |
396 | ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF) | |
397 | ? bpi->attr->local_pref : 0)); | |
d62a17ae | 398 | |
40381db7 DS |
399 | if (bpi->peer == peer && bpi->type == type |
400 | && bpi->sub_type == sub_type && bpi->extra | |
401 | && bpi->extra->vnc.export.rfapi_handle == (void *)rfd) { | |
d62a17ae | 402 | |
403 | vnc_zlog_debug_verbose("%s: matched it", __func__); | |
404 | ||
405 | break; | |
406 | } | |
407 | } | |
408 | ||
409 | if (lnh) { | |
410 | /* | |
411 | * lnh set means to JUST delete the local nexthop from this | |
412 | * route. Leave the route itself in place. | |
413 | * TBD add return code reporting of success/failure | |
414 | */ | |
40381db7 DS |
415 | if (!bpi || !bpi->extra |
416 | || !bpi->extra->vnc.export.local_nexthops) { | |
d62a17ae | 417 | /* |
418 | * no local nexthops | |
419 | */ | |
420 | vnc_zlog_debug_verbose( | |
421 | "%s: lnh list already empty at prefix %s", | |
422 | __func__, buf); | |
423 | goto done; | |
424 | } | |
425 | ||
426 | /* | |
427 | * look for it | |
428 | */ | |
429 | struct listnode *node; | |
430 | struct rfapi_nexthop *pLnh = NULL; | |
431 | ||
40381db7 | 432 | for (ALL_LIST_ELEMENTS_RO(bpi->extra->vnc.export.local_nexthops, |
d62a17ae | 433 | node, pLnh)) { |
434 | ||
435 | if (prefix_same(&pLnh->addr, &lnh->addr)) { | |
436 | break; | |
437 | } | |
438 | } | |
439 | ||
440 | if (pLnh) { | |
40381db7 | 441 | listnode_delete(bpi->extra->vnc.export.local_nexthops, |
d62a17ae | 442 | pLnh); |
443 | ||
444 | /* silly rabbit, listnode_delete doesn't invoke | |
445 | * list->del on data */ | |
446 | rfapi_nexthop_free(pLnh); | |
447 | } else { | |
448 | vnc_zlog_debug_verbose("%s: desired lnh not found %s", | |
449 | __func__, buf); | |
450 | } | |
451 | goto done; | |
452 | } | |
453 | ||
454 | /* | |
455 | * loop back to import tables | |
456 | * Do this before removing from BGP RIB because rfapiProcessWithdraw | |
457 | * might refer to it | |
458 | */ | |
459 | rfapiProcessWithdraw(peer, rfd, p, prd, NULL, afi, safi, type, kill); | |
460 | ||
40381db7 | 461 | if (bpi) { |
872ed4c7 | 462 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 463 | vnc_zlog_debug_verbose( |
464 | "%s: Found route (safi=%d) to delete at prefix %s", | |
465 | __func__, safi, buf); | |
466 | ||
467 | if (safi == SAFI_MPLS_VPN) { | |
468 | struct bgp_node *prn = NULL; | |
469 | struct bgp_table *table = NULL; | |
470 | ||
471 | prn = bgp_node_get(bgp->rib[afi][safi], | |
472 | (struct prefix *)prd); | |
67009e22 DS |
473 | table = bgp_node_get_bgp_table_info(prn); |
474 | if (table) | |
d62a17ae | 475 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( |
40381db7 | 476 | bgp, prd, table, p, bpi); |
d62a17ae | 477 | bgp_unlock_node(prn); |
478 | } | |
479 | ||
480 | /* | |
481 | * Delete local_nexthops list | |
482 | */ | |
121e245d | 483 | if (bpi->extra && bpi->extra->vnc.export.local_nexthops) |
40381db7 | 484 | list_delete(&bpi->extra->vnc.export.local_nexthops); |
d62a17ae | 485 | |
40381db7 DS |
486 | bgp_aggregate_decrement(bgp, p, bpi, afi, safi); |
487 | bgp_path_info_delete(bn, bpi); | |
d62a17ae | 488 | bgp_process(bgp, bn, afi, safi); |
489 | } else { | |
490 | vnc_zlog_debug_verbose( | |
491 | "%s: Couldn't find route (safi=%d) at prefix %s", | |
492 | __func__, safi, buf); | |
493 | } | |
65efcfce | 494 | done: |
d62a17ae | 495 | bgp_unlock_node(bn); |
65efcfce LB |
496 | } |
497 | ||
d62a17ae | 498 | struct rfapi_nexthop *rfapi_nexthop_new(struct rfapi_nexthop *copyme) |
65efcfce | 499 | { |
d62a17ae | 500 | struct rfapi_nexthop *new = |
501 | XCALLOC(MTYPE_RFAPI_NEXTHOP, sizeof(struct rfapi_nexthop)); | |
502 | if (copyme) | |
503 | *new = *copyme; | |
504 | return new; | |
65efcfce LB |
505 | } |
506 | ||
d62a17ae | 507 | void rfapi_nexthop_free(void *p) |
65efcfce | 508 | { |
d62a17ae | 509 | struct rfapi_nexthop *goner = p; |
510 | XFREE(MTYPE_RFAPI_NEXTHOP, goner); | |
65efcfce LB |
511 | } |
512 | ||
d62a17ae | 513 | struct rfapi_vn_option *rfapi_vn_options_dup(struct rfapi_vn_option *existing) |
65efcfce | 514 | { |
d62a17ae | 515 | struct rfapi_vn_option *p; |
516 | struct rfapi_vn_option *head = NULL; | |
517 | struct rfapi_vn_option *tail = NULL; | |
518 | ||
519 | for (p = existing; p; p = p->next) { | |
520 | struct rfapi_vn_option *new; | |
521 | ||
522 | new = XCALLOC(MTYPE_RFAPI_VN_OPTION, | |
523 | sizeof(struct rfapi_vn_option)); | |
524 | *new = *p; | |
525 | new->next = NULL; | |
526 | if (tail) | |
527 | (tail)->next = new; | |
528 | tail = new; | |
529 | if (!head) { | |
530 | head = new; | |
531 | } | |
532 | } | |
533 | return head; | |
65efcfce LB |
534 | } |
535 | ||
d62a17ae | 536 | void rfapi_un_options_free(struct rfapi_un_option *p) |
65efcfce | 537 | { |
d62a17ae | 538 | struct rfapi_un_option *next; |
65efcfce | 539 | |
d62a17ae | 540 | while (p) { |
541 | next = p->next; | |
542 | XFREE(MTYPE_RFAPI_UN_OPTION, p); | |
543 | p = next; | |
544 | } | |
65efcfce LB |
545 | } |
546 | ||
d62a17ae | 547 | void rfapi_vn_options_free(struct rfapi_vn_option *p) |
65efcfce | 548 | { |
d62a17ae | 549 | struct rfapi_vn_option *next; |
65efcfce | 550 | |
d62a17ae | 551 | while (p) { |
552 | next = p->next; | |
553 | XFREE(MTYPE_RFAPI_VN_OPTION, p); | |
554 | p = next; | |
555 | } | |
65efcfce LB |
556 | } |
557 | ||
558 | /* Based on bgp_redistribute_add() */ | |
d62a17ae | 559 | void add_vnc_route(struct rfapi_descriptor *rfd, /* cookie, VPN UN addr, peer */ |
560 | struct bgp *bgp, int safi, struct prefix *p, | |
561 | struct prefix_rd *prd, struct rfapi_ip_addr *nexthop, | |
562 | uint32_t *local_pref, | |
563 | uint32_t *lifetime, /* NULL => dont send lifetime */ | |
564 | struct bgp_tea_options *rfp_options, | |
565 | struct rfapi_un_option *options_un, | |
566 | struct rfapi_vn_option *options_vn, | |
567 | struct ecommunity *rt_export_list, /* Copied, not consumed */ | |
568 | uint32_t *med, /* NULL => don't set med */ | |
569 | uint32_t *label, /* low order 3 bytes */ | |
570 | uint8_t type, uint8_t sub_type, /* RFP, NORMAL or REDIST */ | |
571 | int flags) | |
65efcfce | 572 | { |
d62a17ae | 573 | afi_t afi; /* of the VN address */ |
4b7e6066 | 574 | struct bgp_path_info *new; |
40381db7 | 575 | struct bgp_path_info *bpi; |
d62a17ae | 576 | struct bgp_node *bn; |
577 | ||
578 | struct attr attr = {0}; | |
579 | struct attr *new_attr; | |
580 | uint32_t label_val; | |
581 | ||
582 | struct bgp_attr_encap_subtlv *encaptlv; | |
872ed4c7 | 583 | char buf[PREFIX_STRLEN]; |
06b9f471 | 584 | char buf2[RD_ADDRSTRLEN]; |
d62a17ae | 585 | #if 0 /* unused? */ |
65efcfce LB |
586 | struct prefix pfx_buf; |
587 | #endif | |
588 | ||
d62a17ae | 589 | struct rfapi_nexthop *lnh = NULL; /* local nexthop */ |
590 | struct rfapi_vn_option *vo; | |
591 | struct rfapi_l2address_option *l2o = NULL; | |
592 | struct rfapi_ip_addr *un_addr = &rfd->un_addr; | |
65efcfce | 593 | |
d62a17ae | 594 | bgp_encap_types TunnelType = BGP_ENCAP_TYPE_RESERVED; |
595 | struct bgp_redist *red; | |
65efcfce | 596 | |
d62a17ae | 597 | if (safi == SAFI_ENCAP |
598 | && !(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_ADV_UN_METHOD_ENCAP)) { | |
65efcfce | 599 | |
d62a17ae | 600 | /* |
601 | * Encap mode not enabled. UN addresses will be communicated | |
602 | * via VNC Tunnel subtlv instead. | |
603 | */ | |
604 | vnc_zlog_debug_verbose( | |
605 | "%s: encap mode not enabled, not adding SAFI_ENCAP route", | |
606 | __func__); | |
607 | return; | |
608 | } | |
65efcfce | 609 | |
d62a17ae | 610 | #if 0 /* unused? */ |
65efcfce LB |
611 | if ((safi == SAFI_MPLS_VPN) && (flags & RFAPI_AHR_SET_PFX_TO_NEXTHOP)) |
612 | { | |
613 | ||
614 | if (rfapiRaddr2Qprefix (nexthop, &pfx_buf)) | |
615 | { | |
a3b55c25 | 616 | vnc_zlog_debug_verbose |
65efcfce LB |
617 | ("%s: can't set pfx to vn addr, not adding SAFI_MPLS_VPN route", |
618 | __func__); | |
619 | return; | |
620 | } | |
621 | p = &pfx_buf; | |
622 | } | |
623 | #endif | |
d62a17ae | 624 | for (vo = options_vn; vo; vo = vo->next) { |
625 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { | |
626 | l2o = &vo->v.l2addr; | |
627 | if (RFAPI_0_ETHERADDR(&l2o->macaddr)) | |
628 | l2o = NULL; /* not MAC resolution */ | |
629 | } | |
630 | if (RFAPI_VN_OPTION_TYPE_LOCAL_NEXTHOP == vo->type) { | |
631 | lnh = &vo->v.local_nexthop; | |
632 | } | |
633 | } | |
634 | ||
635 | if (label) | |
636 | label_val = *label; | |
637 | else | |
638 | label_val = MPLS_LABEL_IMPLICIT_NULL; | |
639 | ||
872ed4c7 | 640 | prefix_rd2str(prd, buf2, sizeof(buf2)); |
d62a17ae | 641 | |
642 | afi = family2afi(p->family); | |
643 | assert(afi == AFI_IP || afi == AFI_IP6); | |
644 | ||
645 | vnc_zlog_debug_verbose("%s: afi=%s, safi=%s", __func__, afi2str(afi), | |
646 | safi2str(safi)); | |
647 | ||
648 | /* Make default attribute. Produces already-interned attr.aspath */ | |
649 | /* Cripes, the memory management of attributes is byzantine */ | |
650 | ||
651 | bgp_attr_default_set(&attr, BGP_ORIGIN_INCOMPLETE); | |
652 | ||
653 | /* | |
654 | * At this point: | |
655 | * attr: static | |
656 | * extra: dynamically allocated, owned by attr | |
657 | * aspath: points to interned hash from aspath hash table | |
658 | */ | |
659 | ||
660 | ||
661 | /* | |
662 | * Route-specific un_options get added to the VPN SAFI | |
663 | * advertisement tunnel encap attribute. (the per-NVE | |
664 | * "default" un_options are put into the 1-per-NVE ENCAP | |
665 | * SAFI advertisement). The VPN SAFI also gets the | |
666 | * default un_options if there are no route-specific options. | |
667 | */ | |
668 | if (options_un) { | |
669 | struct rfapi_un_option *uo; | |
670 | ||
671 | for (uo = options_un; uo; uo = uo->next) { | |
672 | if (RFAPI_UN_OPTION_TYPE_TUNNELTYPE == uo->type) { | |
673 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
674 | bgp, un_addr, &uo->v.tunnel, &attr, | |
675 | l2o != NULL); | |
676 | } | |
677 | } | |
678 | } else { | |
679 | /* | |
680 | * Add encap attr | |
681 | * These are the NVE-specific "default" un_options which are | |
682 | * put into the 1-per-NVE ENCAP advertisement. | |
683 | */ | |
684 | if (rfd->default_tunneltype_option.type) { | |
685 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
686 | bgp, un_addr, &rfd->default_tunneltype_option, | |
687 | &attr, l2o != NULL); | |
688 | } else /* create default for local addse */ | |
689 | if (type == ZEBRA_ROUTE_BGP | |
690 | && sub_type == BGP_ROUTE_RFP) | |
691 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
692 | bgp, un_addr, NULL, &attr, l2o != NULL); | |
693 | } | |
694 | ||
695 | if (TunnelType == BGP_ENCAP_TYPE_MPLS) { | |
696 | if (safi == SAFI_ENCAP) { | |
697 | /* Encap SAFI not used with MPLS */ | |
698 | vnc_zlog_debug_verbose( | |
699 | "%s: mpls tunnel type, encap safi omitted", | |
700 | __func__); | |
701 | aspath_unintern(&attr.aspath); /* Unintern original. */ | |
702 | return; | |
703 | } | |
704 | } | |
705 | ||
706 | if (local_pref) { | |
707 | attr.local_pref = *local_pref; | |
708 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
709 | } | |
710 | ||
711 | if (med) { | |
712 | attr.med = *med; | |
713 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
714 | } | |
715 | ||
716 | /* override default weight assigned by bgp_attr_default_set() */ | |
717 | attr.weight = rfd->peer ? rfd->peer->weight[afi][safi] : 0; | |
718 | ||
719 | /* | |
720 | * NB: ticket 81: do not reset attr.aspath here because it would | |
721 | * cause iBGP peers to drop route | |
722 | */ | |
723 | ||
724 | /* | |
725 | * Set originator ID for routes imported from BGP directly. | |
726 | * These routes could be synthetic, and therefore could | |
727 | * reuse the peer pointers of the routes they are derived | |
728 | * from. Setting the originator ID to "us" prevents the | |
729 | * wrong originator ID from being sent when this route is | |
730 | * sent from a route reflector. | |
731 | */ | |
732 | if (type == ZEBRA_ROUTE_BGP_DIRECT | |
733 | || type == ZEBRA_ROUTE_BGP_DIRECT_EXT) { | |
734 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID); | |
735 | attr.originator_id = bgp->router_id; | |
736 | } | |
737 | ||
738 | ||
739 | /* Set up vnc attribute (sub-tlv for Prefix Lifetime) */ | |
740 | if (lifetime && *lifetime != RFAPI_INFINITE_LIFETIME) { | |
741 | uint32_t lt; | |
742 | ||
996c9314 LB |
743 | encaptlv = XCALLOC(MTYPE_ENCAP_TLV, |
744 | sizeof(struct bgp_attr_encap_subtlv) + 4); | |
d62a17ae | 745 | assert(encaptlv); |
746 | encaptlv->type = | |
747 | BGP_VNC_SUBTLV_TYPE_LIFETIME; /* prefix lifetime */ | |
748 | encaptlv->length = 4; | |
749 | lt = htonl(*lifetime); | |
750 | memcpy(encaptlv->value, <, 4); | |
751 | attr.vnc_subtlvs = encaptlv; | |
752 | vnc_zlog_debug_verbose( | |
753 | "%s: set Encap Attr Prefix Lifetime to %d", __func__, | |
754 | *lifetime); | |
755 | } | |
756 | ||
757 | /* add rfp options to vnc attr */ | |
758 | if (rfp_options) { | |
759 | ||
760 | if (flags & RFAPI_AHR_RFPOPT_IS_VNCTLV) { | |
761 | ||
762 | /* | |
763 | * this flag means we're passing a pointer to an | |
764 | * existing encap tlv chain which we should copy. | |
765 | * It's a hack to avoid adding yet another argument | |
766 | * to add_vnc_route() | |
767 | */ | |
768 | encaptlv = encap_tlv_dup( | |
769 | (struct bgp_attr_encap_subtlv *)rfp_options); | |
770 | if (attr.vnc_subtlvs) { | |
771 | attr.vnc_subtlvs->next = encaptlv; | |
772 | } else { | |
773 | attr.vnc_subtlvs = encaptlv; | |
774 | } | |
775 | ||
776 | } else { | |
777 | struct bgp_tea_options *hop; | |
778 | /* XXX max of one tlv present so far from above code */ | |
779 | struct bgp_attr_encap_subtlv *tail = attr.vnc_subtlvs; | |
780 | ||
781 | for (hop = rfp_options; hop; hop = hop->next) { | |
782 | ||
783 | /* | |
784 | * Construct subtlv | |
785 | */ | |
786 | encaptlv = XCALLOC( | |
787 | MTYPE_ENCAP_TLV, | |
996c9314 LB |
788 | sizeof(struct bgp_attr_encap_subtlv) + 2 |
789 | + hop->length); | |
d62a17ae | 790 | assert(encaptlv); |
791 | encaptlv->type = | |
792 | BGP_VNC_SUBTLV_TYPE_RFPOPTION; /* RFP | |
793 | option | |
794 | */ | |
795 | encaptlv->length = 2 + hop->length; | |
796 | *((uint8_t *)(encaptlv->value) + 0) = hop->type; | |
797 | *((uint8_t *)(encaptlv->value) + 1) = | |
798 | hop->length; | |
799 | memcpy(((uint8_t *)encaptlv->value) + 2, | |
800 | hop->value, hop->length); | |
801 | ||
802 | /* | |
803 | * add to end of subtlv chain | |
804 | */ | |
805 | if (tail) { | |
806 | tail->next = encaptlv; | |
807 | } else { | |
808 | attr.vnc_subtlvs = encaptlv; | |
809 | } | |
810 | tail = encaptlv; | |
811 | } | |
812 | } | |
813 | } | |
814 | ||
815 | /* | |
816 | * At this point: | |
817 | * attr: static | |
818 | * extra: dynamically allocated, owned by attr | |
819 | * vnc_subtlvs: dynamic chain, length 1 | |
820 | * aspath: points to interned hash from aspath hash table | |
821 | */ | |
822 | ||
823 | ||
824 | attr.ecommunity = ecommunity_new(); | |
825 | assert(attr.ecommunity); | |
826 | ||
827 | if (TunnelType != BGP_ENCAP_TYPE_MPLS | |
828 | && TunnelType != BGP_ENCAP_TYPE_RESERVED) { | |
829 | /* | |
830 | * Add BGP Encapsulation Extended Community. Format described in | |
831 | * section 4.5 of RFC 5512. | |
832 | * Always include when not MPLS type, to disambiguate this case. | |
833 | */ | |
834 | struct ecommunity_val beec; | |
835 | ||
836 | memset(&beec, 0, sizeof(beec)); | |
837 | beec.val[0] = ECOMMUNITY_ENCODE_OPAQUE; | |
838 | beec.val[1] = ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP; | |
839 | beec.val[6] = ((TunnelType) >> 8) & 0xff; | |
840 | beec.val[7] = (TunnelType)&0xff; | |
841 | ecommunity_add_val(attr.ecommunity, &beec); | |
842 | } | |
843 | ||
844 | /* | |
845 | * Add extended community attributes to match rt export list | |
846 | */ | |
847 | if (rt_export_list) { | |
848 | attr.ecommunity = | |
849 | ecommunity_merge(attr.ecommunity, rt_export_list); | |
850 | } | |
851 | ||
852 | if (attr.ecommunity->size) { | |
853 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES); | |
854 | } else { | |
855 | ecommunity_free(&attr.ecommunity); | |
856 | attr.ecommunity = NULL; | |
857 | } | |
858 | vnc_zlog_debug_verbose("%s: attr.ecommunity=%p", __func__, | |
859 | attr.ecommunity); | |
860 | ||
861 | ||
862 | /* | |
863 | * At this point: | |
864 | * attr: static | |
865 | * extra: dynamically allocated, owned by attr | |
866 | * vnc_subtlvs: dynamic chain, length 1 | |
867 | * ecommunity: dynamic 2-part | |
868 | * aspath: points to interned hash from aspath hash table | |
869 | */ | |
870 | ||
871 | /* stuff nexthop in attr_extra; which field depends on IPv4 or IPv6 */ | |
872 | switch (nexthop->addr_family) { | |
873 | case AF_INET: | |
874 | /* | |
875 | * set this field to prevent bgp_route.c code from setting | |
876 | * mp_nexthop_global_in to self | |
877 | */ | |
878 | attr.nexthop.s_addr = nexthop->addr.v4.s_addr; | |
879 | ||
880 | attr.mp_nexthop_global_in = nexthop->addr.v4; | |
0606039c | 881 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV4; |
d62a17ae | 882 | break; |
883 | ||
884 | case AF_INET6: | |
885 | attr.mp_nexthop_global = nexthop->addr.v6; | |
0606039c | 886 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; |
d62a17ae | 887 | break; |
888 | ||
889 | default: | |
890 | assert(0); | |
891 | } | |
892 | ||
893 | ||
872ed4c7 | 894 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 895 | |
896 | /* | |
897 | * At this point: | |
898 | * | |
899 | * attr: static | |
900 | * extra: dynamically allocated, owned by attr | |
901 | * vnc_subtlvs: dynamic chain, length 1 | |
902 | * ecommunity: dynamic 2-part | |
903 | * aspath: points to interned hash from aspath hash table | |
904 | */ | |
905 | ||
2fcdb1b2 | 906 | red = bgp_redist_lookup(bgp, afi, type, 0); |
d62a17ae | 907 | |
908 | if (red && red->redist_metric_flag) { | |
909 | attr.med = red->redist_metric; | |
910 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
911 | } | |
912 | ||
913 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
914 | ||
915 | /* | |
916 | * bgp_attr_intern creates a new reference to a cached | |
917 | * attribute, but leaves the following bits of trash: | |
918 | * - old attr | |
919 | * - old attr->extra (free via bgp_attr_extra_free(attr)) | |
920 | * | |
921 | * Note that it frees the original attr->extra->ecommunity | |
922 | * but leaves the new attribute pointing to the ORIGINAL | |
923 | * vnc options (which therefore we needn't free from the | |
924 | * static attr) | |
925 | */ | |
926 | new_attr = bgp_attr_intern(&attr); | |
927 | ||
928 | aspath_unintern(&attr.aspath); /* Unintern original. */ | |
929 | ||
930 | /* | |
931 | * At this point: | |
932 | * | |
933 | * attr: static | |
934 | * extra: dynamically allocated, owned by attr | |
935 | * vnc_subtlvs: dynamic chain, length 1 | |
936 | * ecommunity: POINTS TO INTERNED ecom, THIS REF NOT COUNTED | |
937 | * | |
938 | * new_attr: an attr that is part of the hash table, distinct | |
939 | * from attr which is static. | |
940 | * extra: dynamically allocated, owned by new_attr (in hash table) | |
941 | * vnc_subtlvs: POINTS TO SAME dynamic chain AS attr | |
942 | * ecommunity: POINTS TO interned/refcounted dynamic 2-part AS attr | |
943 | * aspath: POINTS TO interned/refcounted hashed block | |
944 | */ | |
6f94b685 | 945 | for (bpi = bgp_node_get_bgp_path_info(bn); bpi; bpi = bpi->next) { |
d62a17ae | 946 | /* probably only need to check |
40381db7 DS |
947 | * bpi->extra->vnc.export.rfapi_handle */ |
948 | if (bpi->peer == rfd->peer && bpi->type == type | |
949 | && bpi->sub_type == sub_type && bpi->extra | |
950 | && bpi->extra->vnc.export.rfapi_handle == (void *)rfd) { | |
d62a17ae | 951 | |
952 | break; | |
953 | } | |
954 | } | |
955 | ||
40381db7 | 956 | if (bpi) { |
d62a17ae | 957 | |
958 | /* | |
959 | * Adding new local_nexthop, which does not by itself change | |
960 | * what is advertised via BGP | |
961 | */ | |
962 | if (lnh) { | |
40381db7 | 963 | if (!bpi->extra->vnc.export.local_nexthops) { |
d62a17ae | 964 | /* TBD make arrangements to free when needed */ |
40381db7 | 965 | bpi->extra->vnc.export.local_nexthops = |
d62a17ae | 966 | list_new(); |
40381db7 | 967 | bpi->extra->vnc.export.local_nexthops->del = |
d62a17ae | 968 | rfapi_nexthop_free; |
969 | } | |
970 | ||
971 | /* | |
972 | * already present? | |
973 | */ | |
974 | struct listnode *node; | |
975 | struct rfapi_nexthop *pLnh = NULL; | |
976 | ||
977 | for (ALL_LIST_ELEMENTS_RO( | |
40381db7 DS |
978 | bpi->extra->vnc.export.local_nexthops, |
979 | node, pLnh)) { | |
d62a17ae | 980 | |
981 | if (prefix_same(&pLnh->addr, &lnh->addr)) { | |
982 | break; | |
983 | } | |
984 | } | |
985 | ||
986 | /* | |
987 | * Not present, add new one | |
988 | */ | |
989 | if (!pLnh) { | |
990 | pLnh = rfapi_nexthop_new(lnh); | |
991 | listnode_add( | |
40381db7 | 992 | bpi->extra->vnc.export.local_nexthops, |
d62a17ae | 993 | pLnh); |
994 | } | |
995 | } | |
996 | ||
40381db7 DS |
997 | if (attrhash_cmp(bpi->attr, new_attr) |
998 | && !CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 999 | bgp_attr_unintern(&new_attr); |
1000 | bgp_unlock_node(bn); | |
1001 | ||
1002 | vnc_zlog_debug_any( | |
1003 | "%s: Found route (safi=%d) at prefix %s, no change", | |
1004 | __func__, safi, buf); | |
1005 | ||
1006 | goto done; | |
1007 | } else { | |
1008 | /* The attribute is changed. */ | |
40381db7 | 1009 | bgp_path_info_set_flag(bn, bpi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 1010 | |
1011 | if (safi == SAFI_MPLS_VPN) { | |
1012 | struct bgp_node *prn = NULL; | |
1013 | struct bgp_table *table = NULL; | |
1014 | ||
1015 | prn = bgp_node_get(bgp->rib[afi][safi], | |
1016 | (struct prefix *)prd); | |
67009e22 DS |
1017 | table = bgp_node_get_bgp_table_info(prn); |
1018 | if (table) | |
d62a17ae | 1019 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( |
40381db7 | 1020 | bgp, prd, table, p, bpi); |
d62a17ae | 1021 | bgp_unlock_node(prn); |
1022 | } | |
1023 | ||
1024 | /* Rewrite BGP route information. */ | |
40381db7 DS |
1025 | if (CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) |
1026 | bgp_path_info_restore(bn, bpi); | |
d62a17ae | 1027 | else |
40381db7 DS |
1028 | bgp_aggregate_decrement(bgp, p, bpi, afi, safi); |
1029 | bgp_attr_unintern(&bpi->attr); | |
1030 | bpi->attr = new_attr; | |
1031 | bpi->uptime = bgp_clock(); | |
d62a17ae | 1032 | |
1033 | ||
1034 | if (safi == SAFI_MPLS_VPN) { | |
1035 | struct bgp_node *prn = NULL; | |
1036 | struct bgp_table *table = NULL; | |
1037 | ||
1038 | prn = bgp_node_get(bgp->rib[afi][safi], | |
1039 | (struct prefix *)prd); | |
67009e22 DS |
1040 | table = bgp_node_get_bgp_table_info(prn); |
1041 | if (table) | |
d62a17ae | 1042 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( |
40381db7 | 1043 | bgp, prd, table, p, bpi); |
d62a17ae | 1044 | bgp_unlock_node(prn); |
1045 | } | |
1046 | ||
1047 | /* Process change. */ | |
40381db7 | 1048 | bgp_aggregate_increment(bgp, p, bpi, afi, safi); |
d62a17ae | 1049 | bgp_process(bgp, bn, afi, safi); |
1050 | bgp_unlock_node(bn); | |
1051 | ||
1052 | vnc_zlog_debug_any( | |
1053 | "%s: Found route (safi=%d) at prefix %s, changed attr", | |
1054 | __func__, safi, buf); | |
1055 | ||
1056 | goto done; | |
1057 | } | |
1058 | } | |
1059 | ||
9591da26 | 1060 | new = info_make(type, sub_type, 0, rfd->peer, new_attr, NULL); |
1defdda8 | 1061 | SET_FLAG(new->flags, BGP_PATH_VALID); |
d62a17ae | 1062 | |
1063 | /* save backref to rfapi handle */ | |
18ee8310 | 1064 | assert(bgp_path_info_extra_get(new)); |
d62a17ae | 1065 | new->extra->vnc.export.rfapi_handle = (void *)rfd; |
317f1fe0 | 1066 | encode_label(label_val, &new->extra->label[0]); |
d62a17ae | 1067 | |
1068 | /* debug */ | |
1069 | ||
1070 | if (VNC_DEBUG(VERBOSE)) { | |
6f94b685 | 1071 | vnc_zlog_debug_verbose("%s: printing BPI", __func__); |
d62a17ae | 1072 | rfapiPrintBi(NULL, new); |
1073 | } | |
1074 | ||
1075 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
18ee8310 | 1076 | bgp_path_info_add(bn, new); |
d62a17ae | 1077 | |
1078 | if (safi == SAFI_MPLS_VPN) { | |
1079 | struct bgp_node *prn = NULL; | |
1080 | struct bgp_table *table = NULL; | |
1081 | ||
1082 | prn = bgp_node_get(bgp->rib[afi][safi], (struct prefix *)prd); | |
67009e22 DS |
1083 | table = bgp_node_get_bgp_table_info(prn); |
1084 | if (table) | |
d62a17ae | 1085 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( |
1086 | bgp, prd, table, p, new); | |
d62a17ae | 1087 | bgp_unlock_node(prn); |
1088 | encode_label(label_val, &bn->local_label); | |
1089 | } | |
1090 | ||
1091 | bgp_unlock_node(bn); | |
1092 | bgp_process(bgp, bn, afi, safi); | |
1093 | ||
1094 | vnc_zlog_debug_any( | |
1095 | "%s: Added route (safi=%s) at prefix %s (bn=%p, prd=%s)", | |
1096 | __func__, safi2str(safi), buf, bn, buf2); | |
65efcfce LB |
1097 | |
1098 | done: | |
d62a17ae | 1099 | /* Loop back to import tables */ |
1100 | rfapiProcessUpdate(rfd->peer, rfd, p, prd, new_attr, afi, safi, type, | |
1101 | sub_type, &label_val); | |
1102 | vnc_zlog_debug_verbose("%s: looped back import route (safi=%d)", | |
1103 | __func__, safi); | |
65efcfce LB |
1104 | } |
1105 | ||
d62a17ae | 1106 | uint32_t rfp_cost_to_localpref(uint8_t cost) |
65efcfce | 1107 | { |
d62a17ae | 1108 | return 255 - cost; |
65efcfce LB |
1109 | } |
1110 | ||
d62a17ae | 1111 | static void rfapiTunnelRouteAnnounce(struct bgp *bgp, |
1112 | struct rfapi_descriptor *rfd, | |
1113 | uint32_t *pLifetime) | |
65efcfce | 1114 | { |
d62a17ae | 1115 | struct prefix_rd prd; |
1116 | struct prefix pfx_vn; | |
1117 | int rc; | |
1118 | uint32_t local_pref = rfp_cost_to_localpref(0); | |
1119 | ||
1120 | rc = rfapiRaddr2Qprefix(&(rfd->vn_addr), &pfx_vn); | |
1121 | assert(!rc); | |
1122 | ||
1123 | /* | |
1124 | * Construct route distinguisher = 0 | |
1125 | */ | |
1126 | memset(&prd, 0, sizeof(prd)); | |
1127 | prd.family = AF_UNSPEC; | |
1128 | prd.prefixlen = 64; | |
1129 | ||
1130 | add_vnc_route(rfd, /* rfapi descr, for export list & backref */ | |
1131 | bgp, /* which bgp instance */ | |
1132 | SAFI_ENCAP, /* which SAFI */ | |
1133 | &pfx_vn, /* prefix to advertise */ | |
1134 | &prd, /* route distinguisher to use */ | |
1135 | &rfd->un_addr, /* nexthop */ | |
1136 | &local_pref, | |
1137 | pLifetime, /* max lifetime of child VPN routes */ | |
1138 | NULL, /* no rfp options for ENCAP safi */ | |
1139 | NULL, /* rfp un options */ | |
1140 | NULL, /* rfp vn options */ | |
1141 | rfd->rt_export_list, NULL, /* med */ | |
1142 | NULL, /* label: default */ | |
1143 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
65efcfce LB |
1144 | } |
1145 | ||
1146 | ||
1147 | /*********************************************************************** | |
1148 | * RFP processing behavior configuration | |
1149 | ***********************************************************************/ | |
1150 | ||
1151 | /*------------------------------------------ | |
1152 | * rfapi_rfp_set_configuration | |
1153 | * | |
d62a17ae | 1154 | * This is used to change rfapi's processing behavior based on |
1155 | * RFP requirements. | |
65efcfce | 1156 | * |
d62a17ae | 1157 | * input: |
65efcfce LB |
1158 | * rfp_start_val value returned by rfp_start |
1159 | * rfapi_rfp_cfg Pointer to configuration structure | |
1160 | * | |
1161 | * output: | |
1162 | * none | |
1163 | * | |
d62a17ae | 1164 | * return value: |
65efcfce LB |
1165 | * 0 Success |
1166 | * ENXIO Unabled to locate configured BGP/VNC | |
1167 | --------------------------------------------*/ | |
d62a17ae | 1168 | int rfapi_rfp_set_configuration(void *rfp_start_val, struct rfapi_rfp_cfg *new) |
65efcfce | 1169 | { |
d62a17ae | 1170 | struct rfapi_rfp_cfg *rcfg; |
1171 | struct bgp *bgp; | |
1172 | ||
1173 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1174 | ||
1175 | if (!new || !bgp || !bgp->rfapi_cfg) | |
1176 | return ENXIO; | |
1177 | ||
1178 | rcfg = &bgp->rfapi_cfg->rfp_cfg; | |
1179 | rcfg->download_type = new->download_type; | |
1180 | rcfg->ftd_advertisement_interval = new->ftd_advertisement_interval; | |
1181 | rcfg->holddown_factor = new->holddown_factor; | |
1182 | ||
1183 | if (rcfg->use_updated_response != new->use_updated_response) { | |
1184 | rcfg->use_updated_response = new->use_updated_response; | |
1185 | if (rcfg->use_updated_response) | |
1186 | rfapiMonitorCallbacksOn(bgp); | |
1187 | else | |
1188 | rfapiMonitorCallbacksOff(bgp); | |
1189 | } | |
1190 | if (rcfg->use_removes != new->use_removes) { | |
1191 | rcfg->use_removes = new->use_removes; | |
1192 | if (rcfg->use_removes) | |
1193 | rfapiMonitorResponseRemovalOn(bgp); | |
1194 | else | |
1195 | rfapiMonitorResponseRemovalOff(bgp); | |
1196 | } | |
1197 | return 0; | |
65efcfce LB |
1198 | } |
1199 | ||
1200 | /*------------------------------------------ | |
1201 | * rfapi_rfp_set_cb_methods | |
1202 | * | |
d62a17ae | 1203 | * Change registered callback functions for asynchronous notifications |
65efcfce LB |
1204 | * from RFAPI to the RFP client. |
1205 | * | |
d62a17ae | 1206 | * input: |
65efcfce LB |
1207 | * rfp_start_val value returned by rfp_start |
1208 | * methods Pointer to struct rfapi_rfp_cb_methods containing | |
1209 | * pointers to callback methods as described above | |
1210 | * | |
d62a17ae | 1211 | * return value: |
65efcfce LB |
1212 | * 0 Success |
1213 | * ENXIO BGP or VNC not configured | |
1214 | *------------------------------------------*/ | |
d62a17ae | 1215 | int rfapi_rfp_set_cb_methods(void *rfp_start_val, |
1216 | struct rfapi_rfp_cb_methods *methods) | |
65efcfce | 1217 | { |
d62a17ae | 1218 | struct rfapi *h; |
1219 | struct bgp *bgp; | |
65efcfce | 1220 | |
d62a17ae | 1221 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
1222 | if (!bgp) | |
1223 | return ENXIO; | |
65efcfce | 1224 | |
d62a17ae | 1225 | h = bgp->rfapi; |
1226 | if (!h) | |
1227 | return ENXIO; | |
65efcfce | 1228 | |
d62a17ae | 1229 | h->rfp_methods = *methods; |
65efcfce | 1230 | |
d62a17ae | 1231 | return 0; |
65efcfce LB |
1232 | } |
1233 | ||
1234 | /*********************************************************************** | |
1235 | * NVE Sessions | |
1236 | ***********************************************************************/ | |
65efcfce LB |
1237 | /* |
1238 | * Caller must supply an already-allocated rfd with the "caller" | |
1239 | * fields already set (vn_addr, un_addr, callback, cookie) | |
1240 | * The advertised_prefixes[] array elements should be NULL to | |
1241 | * have this function set them to newly-allocated radix trees. | |
1242 | */ | |
d62a17ae | 1243 | static int rfapi_open_inner(struct rfapi_descriptor *rfd, struct bgp *bgp, |
1244 | struct rfapi *h, struct rfapi_nve_group_cfg *rfg) | |
65efcfce | 1245 | { |
d62a17ae | 1246 | int ret; |
1247 | ||
1248 | if (h->flags & RFAPI_INCALLBACK) | |
1249 | return EDEADLK; | |
1250 | ||
1251 | /* | |
1252 | * Fill in configured fields | |
1253 | */ | |
1254 | ||
1255 | /* | |
1256 | * If group's RD is specified as "auto", then fill in based | |
1257 | * on NVE's VN address | |
1258 | */ | |
1259 | rfd->rd = rfg->rd; | |
1260 | ||
1261 | if (rfd->rd.family == AF_UNIX) { | |
1262 | ret = rfapi_set_autord_from_vn(&rfd->rd, &rfd->vn_addr); | |
1263 | if (ret != 0) | |
1264 | return ret; | |
1265 | } | |
1266 | rfd->rt_export_list = (rfg->rt_export_list) | |
1267 | ? ecommunity_dup(rfg->rt_export_list) | |
1268 | : NULL; | |
1269 | rfd->response_lifetime = rfg->response_lifetime; | |
1270 | rfd->rfg = rfg; | |
1271 | ||
1272 | /* | |
1273 | * Fill in BGP peer structure | |
1274 | */ | |
1275 | rfd->peer = peer_new(bgp); | |
1276 | rfd->peer->status = Established; /* keep bgp core happy */ | |
1277 | bgp_sync_delete(rfd->peer); /* don't need these */ | |
424ab01d | 1278 | |
becedef6 QY |
1279 | /* |
1280 | * since this peer is not on the I/O thread, this lock is not strictly | |
1281 | * necessary, but serves as a reminder to those who may meddle... | |
1282 | */ | |
00dffa8c | 1283 | frr_with_mutex(&rfd->peer->io_mtx) { |
424ab01d QY |
1284 | // we don't need any I/O related facilities |
1285 | if (rfd->peer->ibuf) | |
1286 | stream_fifo_free(rfd->peer->ibuf); | |
1287 | if (rfd->peer->obuf) | |
1288 | stream_fifo_free(rfd->peer->obuf); | |
1289 | ||
1290 | if (rfd->peer->ibuf_work) | |
74ffbfe6 | 1291 | ringbuf_del(rfd->peer->ibuf_work); |
424ab01d QY |
1292 | if (rfd->peer->obuf_work) |
1293 | stream_free(rfd->peer->obuf_work); | |
1294 | ||
d62a17ae | 1295 | rfd->peer->ibuf = NULL; |
d62a17ae | 1296 | rfd->peer->obuf = NULL; |
424ab01d QY |
1297 | rfd->peer->obuf_work = NULL; |
1298 | rfd->peer->ibuf_work = NULL; | |
d62a17ae | 1299 | } |
424ab01d | 1300 | |
d62a17ae | 1301 | { /* base code assumes have valid host pointer */ |
1302 | char buf[BUFSIZ]; | |
1303 | buf[0] = 0; | |
1304 | ||
1305 | if (rfd->vn_addr.addr_family == AF_INET) { | |
1306 | inet_ntop(AF_INET, &rfd->vn_addr.addr.v4, buf, BUFSIZ); | |
1307 | } else if (rfd->vn_addr.addr_family == AF_INET6) { | |
1308 | inet_ntop(AF_INET6, &rfd->vn_addr.addr.v6, buf, BUFSIZ); | |
1309 | } | |
1310 | rfd->peer->host = XSTRDUP(MTYPE_BGP_PEER_HOST, buf); | |
1311 | } | |
1312 | /* Mark peer as belonging to HD */ | |
1313 | SET_FLAG(rfd->peer->flags, PEER_FLAG_IS_RFAPI_HD); | |
1314 | ||
1315 | /* | |
1316 | * Set min prefix lifetime to max value so it will get set | |
1317 | * upon first rfapi_register() | |
1318 | */ | |
1319 | rfd->min_prefix_lifetime = UINT32_MAX; | |
65efcfce | 1320 | |
d62a17ae | 1321 | /* |
1322 | * Allocate response tables if needed | |
1323 | */ | |
1324 | #define RFD_RTINIT_AFI(rh, ary, afi) \ | |
1325 | do { \ | |
1326 | if (!ary[afi]) { \ | |
fe08ba7e DS |
1327 | ary[afi] = agg_table_init(); \ |
1328 | agg_set_table_info(ary[afi], rh); \ | |
d62a17ae | 1329 | } \ |
1330 | } while (0) | |
1331 | ||
1332 | #define RFD_RTINIT(rh, ary) \ | |
1333 | do { \ | |
1334 | RFD_RTINIT_AFI(rh, ary, AFI_IP); \ | |
1335 | RFD_RTINIT_AFI(rh, ary, AFI_IP6); \ | |
1336 | RFD_RTINIT_AFI(rh, ary, AFI_L2VPN); \ | |
1337 | } while (0) | |
1338 | ||
1339 | RFD_RTINIT(rfd, rfd->rib); | |
1340 | RFD_RTINIT(rfd, rfd->rib_pending); | |
1341 | RFD_RTINIT(rfd, rfd->rsp_times); | |
1342 | ||
1343 | /* | |
1344 | * Link to Import Table | |
1345 | */ | |
1346 | rfd->import_table = rfg->rfapi_import_table; | |
1347 | rfd->import_table->refcount += 1; | |
1348 | ||
1349 | rfapiApInit(&rfd->advertised); | |
1350 | ||
1351 | /* | |
1352 | * add this NVE descriptor to the list of NVEs in the NVE group | |
1353 | */ | |
1354 | if (!rfg->nves) { | |
1355 | rfg->nves = list_new(); | |
1356 | } | |
1357 | listnode_add(rfg->nves, rfd); | |
1358 | ||
1359 | vnc_direct_bgp_add_nve(bgp, rfd); | |
1360 | vnc_zebra_add_nve(bgp, rfd); | |
1361 | ||
1362 | return 0; | |
1363 | } | |
65efcfce | 1364 | |
d62a17ae | 1365 | /* moved from rfapi_register */ |
1366 | int rfapi_init_and_open(struct bgp *bgp, struct rfapi_descriptor *rfd, | |
1367 | struct rfapi_nve_group_cfg *rfg) | |
1368 | { | |
1369 | struct rfapi *h = bgp->rfapi; | |
1370 | char buf_vn[BUFSIZ]; | |
1371 | char buf_un[BUFSIZ]; | |
1372 | afi_t afi_vn, afi_un; | |
1373 | struct prefix pfx_un; | |
fe08ba7e | 1374 | struct agg_node *rn; |
d62a17ae | 1375 | |
1376 | ||
1377 | rfapi_time(&rfd->open_time); | |
1378 | ||
1379 | if (rfg->type == RFAPI_GROUP_CFG_VRF) | |
1380 | SET_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF); | |
1381 | ||
1382 | rfapiRfapiIpAddr2Str(&rfd->vn_addr, buf_vn, BUFSIZ); | |
1383 | rfapiRfapiIpAddr2Str(&rfd->un_addr, buf_un, BUFSIZ); | |
1384 | ||
1385 | vnc_zlog_debug_verbose("%s: new RFD with VN=%s UN=%s cookie=%p", | |
1386 | __func__, buf_vn, buf_un, rfd->cookie); | |
1387 | ||
1388 | if (rfg->type != RFAPI_GROUP_CFG_VRF) /* unclear if needed for VRF */ | |
1389 | { | |
1390 | listnode_add(&h->descriptors, rfd); | |
1391 | if (h->descriptors.count > h->stat.max_descriptors) { | |
1392 | h->stat.max_descriptors = h->descriptors.count; | |
1393 | } | |
1394 | ||
1395 | /* | |
1396 | * attach to UN radix tree | |
1397 | */ | |
1398 | afi_vn = family2afi(rfd->vn_addr.addr_family); | |
1399 | afi_un = family2afi(rfd->un_addr.addr_family); | |
1400 | assert(afi_vn && afi_un); | |
1401 | assert(!rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un)); | |
1402 | ||
fe08ba7e | 1403 | rn = agg_node_get(h->un[afi_un], &pfx_un); |
d62a17ae | 1404 | assert(rn); |
1405 | rfd->next = rn->info; | |
1406 | rn->info = rfd; | |
1407 | rfd->un_node = rn; | |
1408 | } | |
1409 | return rfapi_open_inner(rfd, bgp, h, rfg); | |
1410 | } | |
65efcfce | 1411 | |
d62a17ae | 1412 | struct rfapi_vn_option *rfapiVnOptionsDup(struct rfapi_vn_option *orig) |
1413 | { | |
1414 | struct rfapi_vn_option *head = NULL; | |
1415 | struct rfapi_vn_option *tail = NULL; | |
1416 | struct rfapi_vn_option *vo = NULL; | |
1417 | ||
1418 | for (vo = orig; vo; vo = vo->next) { | |
1419 | struct rfapi_vn_option *new; | |
1420 | ||
1421 | new = XCALLOC(MTYPE_RFAPI_VN_OPTION, | |
1422 | sizeof(struct rfapi_vn_option)); | |
1423 | memcpy(new, vo, sizeof(struct rfapi_vn_option)); | |
1424 | new->next = NULL; | |
1425 | ||
1426 | if (tail) { | |
1427 | tail->next = new; | |
1428 | } else { | |
1429 | head = tail = new; | |
1430 | } | |
1431 | } | |
1432 | return head; | |
1433 | } | |
65efcfce | 1434 | |
d62a17ae | 1435 | struct rfapi_un_option *rfapiUnOptionsDup(struct rfapi_un_option *orig) |
1436 | { | |
1437 | struct rfapi_un_option *head = NULL; | |
1438 | struct rfapi_un_option *tail = NULL; | |
1439 | struct rfapi_un_option *uo = NULL; | |
1440 | ||
1441 | for (uo = orig; uo; uo = uo->next) { | |
1442 | struct rfapi_un_option *new; | |
1443 | ||
1444 | new = XCALLOC(MTYPE_RFAPI_UN_OPTION, | |
1445 | sizeof(struct rfapi_un_option)); | |
1446 | memcpy(new, uo, sizeof(struct rfapi_un_option)); | |
1447 | new->next = NULL; | |
1448 | ||
1449 | if (tail) { | |
1450 | tail->next = new; | |
1451 | } else { | |
1452 | head = tail = new; | |
1453 | } | |
1454 | } | |
1455 | return head; | |
1456 | } | |
65efcfce | 1457 | |
d62a17ae | 1458 | struct bgp_tea_options *rfapiOptionsDup(struct bgp_tea_options *orig) |
5ff06872 | 1459 | { |
d62a17ae | 1460 | struct bgp_tea_options *head = NULL; |
1461 | struct bgp_tea_options *tail = NULL; | |
1462 | struct bgp_tea_options *hop = NULL; | |
1463 | ||
1464 | for (hop = orig; hop; hop = hop->next) { | |
1465 | struct bgp_tea_options *new; | |
1466 | ||
1467 | new = XCALLOC(MTYPE_BGP_TEA_OPTIONS, | |
1468 | sizeof(struct bgp_tea_options)); | |
1469 | memcpy(new, hop, sizeof(struct bgp_tea_options)); | |
1470 | new->next = NULL; | |
1471 | if (hop->value) { | |
1472 | new->value = XCALLOC(MTYPE_BGP_TEA_OPTIONS_VALUE, | |
1473 | hop->length); | |
1474 | memcpy(new->value, hop->value, hop->length); | |
1475 | } | |
1476 | if (tail) { | |
1477 | tail->next = new; | |
1478 | } else { | |
1479 | head = tail = new; | |
1480 | } | |
1481 | } | |
1482 | return head; | |
5ff06872 LB |
1483 | } |
1484 | ||
d62a17ae | 1485 | void rfapiFreeBgpTeaOptionChain(struct bgp_tea_options *p) |
65efcfce | 1486 | { |
d62a17ae | 1487 | struct bgp_tea_options *next; |
65efcfce | 1488 | |
d62a17ae | 1489 | while (p) { |
1490 | next = p->next; | |
65efcfce | 1491 | |
e1b36e13 | 1492 | XFREE(MTYPE_BGP_TEA_OPTIONS_VALUE, p->value); |
d62a17ae | 1493 | XFREE(MTYPE_BGP_TEA_OPTIONS, p); |
65efcfce | 1494 | |
d62a17ae | 1495 | p = next; |
1496 | } | |
65efcfce LB |
1497 | } |
1498 | ||
d62a17ae | 1499 | void rfapiAdbFree(struct rfapi_adb *adb) |
65efcfce | 1500 | { |
d62a17ae | 1501 | XFREE(MTYPE_RFAPI_ADB, adb); |
65efcfce LB |
1502 | } |
1503 | ||
1504 | static int | |
d62a17ae | 1505 | rfapi_query_inner(void *handle, struct rfapi_ip_addr *target, |
1506 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
1507 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 1508 | { |
d62a17ae | 1509 | afi_t afi; |
1510 | struct prefix p; | |
1511 | struct prefix p_original; | |
fe08ba7e | 1512 | struct agg_node *rn; |
d62a17ae | 1513 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
1514 | struct bgp *bgp = rfd->bgp; | |
1515 | struct rfapi_next_hop_entry *pNHE = NULL; | |
1516 | struct rfapi_ip_addr *self_vn_addr = NULL; | |
1517 | int eth_is_0 = 0; | |
1518 | int use_eth_resolution = 0; | |
1519 | struct rfapi_next_hop_entry *i_nhe; | |
1520 | ||
1521 | /* preemptive */ | |
1522 | if (!bgp) { | |
1523 | vnc_zlog_debug_verbose("%s: No BGP instance, returning ENXIO", | |
1524 | __func__); | |
1525 | return ENXIO; | |
1526 | } | |
1527 | if (!bgp->rfapi) { | |
1528 | vnc_zlog_debug_verbose("%s: No RFAPI instance, returning ENXIO", | |
1529 | __func__); | |
1530 | return ENXIO; | |
1531 | } | |
1532 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
1533 | vnc_zlog_debug_verbose( | |
1534 | "%s: Called during calback, returning EDEADLK", | |
1535 | __func__); | |
1536 | return EDEADLK; | |
1537 | } | |
1538 | ||
1539 | if (!is_valid_rfd(rfd)) { | |
1540 | vnc_zlog_debug_verbose("%s: invalid handle, returning EBADF", | |
1541 | __func__); | |
1542 | return EBADF; | |
1543 | } | |
1544 | ||
1545 | rfd->rsp_counter++; /* dedup: identify this generation */ | |
1546 | rfd->rsp_time = rfapi_time(NULL); /* response content dedup */ | |
1547 | rfd->ftd_last_allowed_time = | |
1548 | bgp_clock() | |
1549 | - bgp->rfapi_cfg->rfp_cfg.ftd_advertisement_interval; | |
1550 | ||
1551 | if (l2o) { | |
1552 | if (!memcmp(l2o->macaddr.octet, rfapi_ethaddr0.octet, | |
28328ea9 | 1553 | ETH_ALEN)) { |
d62a17ae | 1554 | eth_is_0 = 1; |
1555 | } | |
1556 | /* per t/c Paul/Lou 151022 */ | |
1557 | if (!eth_is_0 || l2o->logical_net_id) { | |
1558 | use_eth_resolution = 1; | |
1559 | } | |
1560 | } | |
1561 | ||
1562 | if (ppNextHopEntry) | |
1563 | *ppNextHopEntry = NULL; | |
1564 | ||
1565 | /* | |
1566 | * Save original target in prefix form. In case of L2-based queries, | |
1567 | * p_original will be modified to reflect the L2 target | |
1568 | */ | |
1569 | assert(!rfapiRaddr2Qprefix(target, &p_original)); | |
1570 | ||
1571 | if (bgp->rfapi_cfg->rfp_cfg.download_type == RFAPI_RFP_DOWNLOAD_FULL) { | |
1572 | /* convert query to 0/0 when full-table download is enabled */ | |
1573 | memset((char *)&p, 0, sizeof(p)); | |
1574 | p.family = target->addr_family; | |
1575 | } else { | |
1576 | p = p_original; | |
1577 | } | |
1578 | ||
1579 | { | |
872ed4c7 | 1580 | char buf[PREFIX_STRLEN]; |
d62a17ae | 1581 | char *s; |
1582 | ||
872ed4c7 | 1583 | prefix2str(&p, buf, sizeof(buf)); |
d62a17ae | 1584 | vnc_zlog_debug_verbose("%s(rfd=%p, target=%s, ppNextHop=%p)", |
1585 | __func__, rfd, buf, ppNextHopEntry); | |
1586 | ||
1587 | s = ecommunity_ecom2str(rfd->import_table->rt_import_list, | |
1588 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
1589 | vnc_zlog_debug_verbose( | |
1590 | "%s rfd->import_table=%p, rfd->import_table->rt_import_list: %s", | |
1591 | __func__, rfd->import_table, s); | |
1592 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
1593 | } | |
1594 | ||
1595 | afi = family2afi(p.family); | |
1596 | assert(afi); | |
1597 | ||
1598 | if (CHECK_FLAG(bgp->rfapi_cfg->flags, | |
1599 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP)) { | |
1600 | self_vn_addr = &rfd->vn_addr; | |
1601 | } | |
1602 | ||
1603 | if (use_eth_resolution) { | |
1604 | uint32_t logical_net_id = l2o->logical_net_id; | |
1605 | struct ecommunity *l2com; | |
1606 | ||
1607 | /* | |
1608 | * fix up p_original to contain L2 address | |
1609 | */ | |
1610 | rfapiL2o2Qprefix(l2o, &p_original); | |
1611 | ||
1612 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
1613 | bgp, 1, logical_net_id, l2o->label); | |
1614 | if (l2com) { | |
1615 | uint8_t *v = l2com->val; | |
1616 | logical_net_id = (v[5] << 16) + (v[6] << 8) + (v[7]); | |
1617 | } | |
1618 | /* | |
1619 | * Ethernet/L2-based lookup | |
1620 | * | |
1621 | * Always returns IT node corresponding to route | |
1622 | */ | |
1623 | ||
1624 | if (RFAPI_RFP_DOWNLOAD_FULL | |
1625 | == bgp->rfapi_cfg->rfp_cfg.download_type) { | |
1626 | eth_is_0 = 1; | |
1627 | } | |
1628 | ||
1629 | rn = rfapiMonitorEthAdd( | |
1630 | bgp, rfd, (eth_is_0 ? &rfapi_ethaddr0 : &l2o->macaddr), | |
1631 | logical_net_id); | |
1632 | ||
1633 | if (eth_is_0) { | |
1634 | struct rfapi_ip_prefix rprefix; | |
1635 | ||
1636 | memset(&rprefix, 0, sizeof(rprefix)); | |
1637 | rprefix.prefix.addr_family = target->addr_family; | |
1638 | if (target->addr_family == AF_INET) { | |
1639 | rprefix.length = 32; | |
1640 | } else { | |
1641 | rprefix.length = 128; | |
1642 | } | |
1643 | ||
1644 | pNHE = rfapiEthRouteTable2NextHopList( | |
1645 | logical_net_id, &rprefix, | |
1646 | rfd->response_lifetime, self_vn_addr, | |
1647 | rfd->rib[afi], &p_original); | |
1648 | goto done; | |
1649 | } | |
1650 | ||
1651 | } else { | |
1652 | ||
1653 | /* | |
1654 | * IP-based lookup | |
1655 | */ | |
1656 | ||
1657 | rn = rfapiMonitorAdd(bgp, rfd, &p); | |
1658 | ||
1659 | /* | |
1660 | * If target address is 0, this request is special: means to | |
1661 | * return ALL routes in the table | |
1662 | * | |
1663 | * Monitors for All-Routes queries get put on a special list, | |
1664 | * not in the VPN tree | |
1665 | */ | |
1666 | if (RFAPI_0_PREFIX(&p)) { | |
1667 | ||
1668 | vnc_zlog_debug_verbose("%s: 0-prefix", __func__); | |
1669 | ||
1670 | /* | |
1671 | * Generate nexthop list for caller | |
1672 | */ | |
1673 | pNHE = rfapiRouteTable2NextHopList( | |
1674 | rfd->import_table->imported_vpn[afi], | |
1675 | rfd->response_lifetime, self_vn_addr, | |
1676 | rfd->rib[afi], &p_original); | |
1677 | goto done; | |
1678 | } | |
1679 | ||
1680 | if (rn) { | |
fe08ba7e | 1681 | agg_lock_node(rn); /* so we can unlock below */ |
d62a17ae | 1682 | } else { |
1683 | /* | |
1684 | * returns locked node. Don't unlock yet because the | |
1685 | * unlock | |
1686 | * might free it before we're done with it. This | |
1687 | * situation | |
1688 | * could occur when rfapiMonitorGetAttachNode() returns | |
1689 | * a | |
1690 | * newly-created default node. | |
1691 | */ | |
1692 | rn = rfapiMonitorGetAttachNode(rfd, &p); | |
1693 | } | |
1694 | } | |
1695 | ||
1696 | assert(rn); | |
1697 | if (!rn->info) { | |
fe08ba7e | 1698 | agg_unlock_node(rn); |
d62a17ae | 1699 | vnc_zlog_debug_verbose( |
1700 | "%s: VPN route not found, returning ENOENT", __func__); | |
1701 | return ENOENT; | |
1702 | } | |
1703 | ||
1704 | if (VNC_DEBUG(RFAPI_QUERY)) { | |
1705 | rfapiShowImportTable(NULL, "query", | |
1706 | rfd->import_table->imported_vpn[afi], 1); | |
1707 | } | |
1708 | ||
1709 | if (use_eth_resolution) { | |
1710 | ||
1711 | struct rfapi_ip_prefix rprefix; | |
1712 | ||
1713 | memset(&rprefix, 0, sizeof(rprefix)); | |
1714 | rprefix.prefix.addr_family = target->addr_family; | |
1715 | if (target->addr_family == AF_INET) { | |
1716 | rprefix.length = 32; | |
1717 | } else { | |
1718 | rprefix.length = 128; | |
1719 | } | |
1720 | ||
1721 | pNHE = rfapiEthRouteNode2NextHopList( | |
1722 | rn, &rprefix, rfd->response_lifetime, self_vn_addr, | |
1723 | rfd->rib[afi], &p_original); | |
1724 | ||
1725 | ||
1726 | } else { | |
1727 | /* | |
1728 | * Generate answer to query | |
1729 | */ | |
1730 | pNHE = rfapiRouteNode2NextHopList(rn, rfd->response_lifetime, | |
1731 | self_vn_addr, rfd->rib[afi], | |
1732 | &p_original); | |
1733 | } | |
1734 | ||
fe08ba7e | 1735 | agg_unlock_node(rn); |
65efcfce LB |
1736 | |
1737 | done: | |
d62a17ae | 1738 | if (ppNextHopEntry) { |
1739 | /* only count if caller gets it */ | |
1740 | ++bgp->rfapi->response_immediate_count; | |
1741 | } | |
1742 | ||
1743 | if (!pNHE) { | |
1744 | vnc_zlog_debug_verbose("%s: NO NHEs, returning ENOENT", | |
1745 | __func__); | |
1746 | return ENOENT; | |
1747 | } | |
1748 | ||
1749 | /* | |
1750 | * count nexthops for statistics | |
1751 | */ | |
1752 | for (i_nhe = pNHE; i_nhe; i_nhe = i_nhe->next) { | |
1753 | ++rfd->stat_count_nh_reachable; | |
1754 | } | |
1755 | ||
1756 | if (ppNextHopEntry) { | |
1757 | *ppNextHopEntry = pNHE; | |
1758 | } else { | |
1759 | rfapi_free_next_hop_list(pNHE); | |
1760 | } | |
1761 | ||
1762 | vnc_zlog_debug_verbose("%s: success", __func__); | |
1763 | return 0; | |
65efcfce LB |
1764 | } |
1765 | ||
1766 | /* | |
1767 | * support on-the-fly reassignment of an already-open nve to a new | |
1768 | * nve-group in the event that its original nve-group is | |
1769 | * administratively deleted. | |
1770 | */ | |
d62a17ae | 1771 | static int rfapi_open_rfd(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 1772 | { |
d62a17ae | 1773 | struct prefix pfx_vn; |
1774 | struct prefix pfx_un; | |
1775 | struct rfapi_nve_group_cfg *rfg; | |
1776 | struct rfapi *h; | |
1777 | struct rfapi_cfg *hc; | |
1778 | int rc; | |
1779 | ||
1780 | h = bgp->rfapi; | |
1781 | if (!h) | |
1782 | return ENXIO; | |
1783 | ||
1784 | hc = bgp->rfapi_cfg; | |
1785 | if (!hc) | |
1786 | return ENXIO; | |
1787 | ||
1788 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
1789 | assert(!rc); | |
1790 | ||
1791 | rc = rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un); | |
1792 | assert(!rc); | |
1793 | ||
1794 | /* | |
1795 | * Find the matching nve group config block | |
1796 | */ | |
1797 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1798 | if (!rfg) { | |
1799 | return ENOENT; | |
1800 | } | |
1801 | ||
1802 | /* | |
1803 | * check nve group config block for required values | |
1804 | */ | |
1805 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1806 | ||
1807 | return ENOMSG; | |
1808 | } | |
1809 | ||
1810 | rc = rfapi_open_inner(rfd, bgp, h, rfg); | |
1811 | if (rc) { | |
1812 | return rc; | |
1813 | } | |
1814 | ||
1815 | /* | |
1816 | * re-advertise registered routes, this time as part of new NVE-group | |
1817 | */ | |
1818 | rfapiApReadvertiseAll(bgp, rfd); | |
1819 | ||
1820 | /* | |
1821 | * re-attach callbacks to import table | |
1822 | */ | |
1823 | if (!(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_CALLBACK_DISABLE)) { | |
1824 | rfapiMonitorAttachImportHd(rfd); | |
1825 | } | |
1826 | ||
1827 | return 0; | |
65efcfce LB |
1828 | } |
1829 | ||
1830 | /*------------------------------------------ | |
1831 | * rfapi_open | |
1832 | * | |
1833 | * This function initializes a NVE record and associates it with | |
1834 | * the specified VN and underlay network addresses | |
1835 | * | |
d62a17ae | 1836 | * input: |
65efcfce LB |
1837 | * rfp_start_val value returned by rfp_start |
1838 | * vn NVE virtual network address | |
1839 | * | |
1840 | * un NVE underlay network address | |
1841 | * | |
1842 | * default_options Default options to use on registrations. | |
1843 | * For now only tunnel type is supported. | |
1844 | * May be overridden per-prefix in rfapi_register(). | |
1845 | * Caller owns (rfapi_open() does not free) | |
1846 | * | |
1847 | * response_cb Pointer to next hop list update callback function or | |
1848 | * NULL when no callbacks are desired. | |
1849 | * | |
1850 | * userdata Passed to subsequent response_cb invocations. | |
1851 | * | |
1852 | * output: | |
1853 | * response_lifetime The length of time that responses sent to this | |
d62a17ae | 1854 | * NVE are valid. |
65efcfce LB |
1855 | * |
1856 | * pHandle pointer to location to store rfapi handle. The | |
1857 | * handle must be passed on subsequent rfapi_ calls. | |
1858 | * | |
1859 | * | |
d62a17ae | 1860 | * return value: |
65efcfce LB |
1861 | * 0 Success |
1862 | * EEXIST NVE with this {vn,un} already open | |
1863 | * ENOENT No matching nve group config | |
1864 | * ENOMSG Matched nve group config was incomplete | |
1865 | * ENXIO BGP or VNC not configured | |
1866 | * EAFNOSUPPORT Matched nve group specifies auto-assignment of RD, | |
1867 | * but underlay network address is not IPv4 | |
1868 | * EDEADLK Called from within a callback procedure | |
1869 | *------------------------------------------*/ | |
d62a17ae | 1870 | int rfapi_open(void *rfp_start_val, struct rfapi_ip_addr *vn, |
1871 | struct rfapi_ip_addr *un, | |
1872 | struct rfapi_un_option *default_options, | |
1873 | uint32_t *response_lifetime, | |
1874 | void *userdata, /* callback cookie */ | |
1875 | rfapi_handle *pHandle) | |
65efcfce | 1876 | { |
d62a17ae | 1877 | struct bgp *bgp; |
1878 | struct rfapi *h; | |
1879 | struct rfapi_descriptor *rfd; | |
1880 | struct rfapi_cfg *hc; | |
1881 | struct rfapi_nve_group_cfg *rfg; | |
1882 | ||
1883 | struct prefix pfx_vn; | |
1884 | struct prefix pfx_un; | |
1885 | ||
1886 | int rc; | |
1887 | rfapi_handle hh = NULL; | |
1888 | int reusing_provisional = 0; | |
1889 | ||
1890 | { | |
1891 | char buf[2][INET_ADDRSTRLEN]; | |
1892 | vnc_zlog_debug_verbose( | |
1893 | "%s: VN=%s UN=%s", __func__, | |
1894 | rfapiRfapiIpAddr2Str(vn, buf[0], INET_ADDRSTRLEN), | |
1895 | rfapiRfapiIpAddr2Str(un, buf[1], INET_ADDRSTRLEN)); | |
1896 | } | |
1897 | ||
1898 | assert(pHandle); | |
1899 | *pHandle = NULL; | |
1900 | ||
1901 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1902 | if (!bgp) | |
1903 | return ENXIO; | |
1904 | ||
1905 | h = bgp->rfapi; | |
1906 | if (!h) | |
1907 | return ENXIO; | |
1908 | ||
1909 | hc = bgp->rfapi_cfg; | |
1910 | if (!hc) | |
1911 | return ENXIO; | |
1912 | ||
1913 | if (h->flags & RFAPI_INCALLBACK) | |
1914 | return EDEADLK; | |
1915 | ||
1916 | rc = rfapiRaddr2Qprefix(vn, &pfx_vn); | |
1917 | assert(!rc); | |
1918 | ||
1919 | rc = rfapiRaddr2Qprefix(un, &pfx_un); | |
1920 | assert(!rc); | |
1921 | ||
1922 | /* | |
1923 | * already have a descriptor with VN and UN? | |
1924 | */ | |
1925 | if (!rfapi_find_handle(bgp, vn, un, &hh)) { | |
1926 | /* | |
1927 | * we might have set up a handle for static routes before | |
1928 | * this NVE was opened. In that case, reuse the handle | |
1929 | */ | |
1930 | rfd = hh; | |
1931 | if (!CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_PROVISIONAL)) { | |
1932 | return EEXIST; | |
1933 | } | |
1934 | ||
1935 | /* | |
1936 | * reuse provisional descriptor | |
1937 | * hh is not NULL | |
1938 | */ | |
1939 | reusing_provisional = 1; | |
1940 | } | |
1941 | ||
1942 | /* | |
1943 | * Find the matching nve group config block | |
1944 | */ | |
1945 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1946 | if (!rfg) { | |
1947 | ++h->stat.count_unknown_nves; | |
1948 | { | |
1949 | char buf[2][INET_ADDRSTRLEN]; | |
1950 | zlog_notice("%s: no matching group VN=%s UN=%s", | |
1951 | __func__, | |
1952 | rfapiRfapiIpAddr2Str(vn, buf[0], | |
1953 | INET_ADDRSTRLEN), | |
1954 | rfapiRfapiIpAddr2Str(un, buf[1], | |
1955 | INET_ADDRSTRLEN)); | |
1956 | } | |
1957 | return ENOENT; | |
1958 | } | |
1959 | ||
1960 | /* | |
1961 | * check nve group config block for required values | |
1962 | */ | |
1963 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1964 | ||
1965 | ++h->stat.count_unknown_nves; | |
1966 | return ENOMSG; | |
1967 | } | |
1968 | ||
1969 | /* | |
1970 | * If group config specifies auto-rd assignment, check that | |
1971 | * VN address is IPv4|v6 so we don't fail in rfapi_open_inner(). | |
1972 | * Check here so we don't need to unwind memory allocations, &c. | |
1973 | */ | |
1974 | if ((rfg->rd.family == AF_UNIX) && (vn->addr_family != AF_INET) | |
1975 | && (vn->addr_family != AF_INET6)) { | |
1976 | return EAFNOSUPPORT; | |
1977 | } | |
1978 | ||
1979 | if (hh) { | |
1980 | /* | |
1981 | * reusing provisional rfd | |
1982 | */ | |
1983 | rfd = hh; | |
1984 | } else { | |
1985 | rfd = XCALLOC(MTYPE_RFAPI_DESC, | |
1986 | sizeof(struct rfapi_descriptor)); | |
1987 | } | |
1988 | assert(rfd); | |
1989 | ||
1990 | rfd->bgp = bgp; | |
1991 | if (default_options) { | |
1992 | struct rfapi_un_option *p; | |
1993 | ||
1994 | for (p = default_options; p; p = p->next) { | |
1995 | if ((RFAPI_UN_OPTION_TYPE_PROVISIONAL == p->type)) { | |
1996 | rfd->flags |= RFAPI_HD_FLAG_PROVISIONAL; | |
1997 | } | |
1998 | if ((RFAPI_UN_OPTION_TYPE_TUNNELTYPE == p->type)) { | |
1999 | rfd->default_tunneltype_option = p->v.tunnel; | |
2000 | } | |
2001 | } | |
2002 | } | |
2003 | ||
2004 | /* | |
2005 | * Fill in caller fields | |
2006 | */ | |
2007 | rfd->vn_addr = *vn; | |
2008 | rfd->un_addr = *un; | |
2009 | rfd->cookie = userdata; | |
2010 | ||
2011 | if (!reusing_provisional) { | |
2012 | rc = rfapi_init_and_open(bgp, rfd, rfg); | |
2013 | /* | |
2014 | * This can fail only if the VN address is IPv6 and the group | |
2015 | * specified auto-assignment of RDs, which only works for v4, | |
2016 | * and the check above should catch it. | |
2017 | * | |
2018 | * Another failure possibility is that we were called | |
2019 | * during an rfapi callback. Also checked above. | |
2020 | */ | |
2021 | assert(!rc); | |
2022 | } | |
2023 | ||
2024 | if (response_lifetime) | |
2025 | *response_lifetime = rfd->response_lifetime; | |
2026 | *pHandle = rfd; | |
2027 | return 0; | |
65efcfce LB |
2028 | } |
2029 | ||
2030 | /* | |
2031 | * For use with debug functions | |
2032 | */ | |
d62a17ae | 2033 | static int rfapi_set_response_cb(struct rfapi_descriptor *rfd, |
2034 | rfapi_response_cb_t *response_cb) | |
65efcfce | 2035 | { |
d62a17ae | 2036 | if (!is_valid_rfd(rfd)) |
2037 | return EBADF; | |
2038 | rfd->response_cb = response_cb; | |
2039 | return 0; | |
65efcfce LB |
2040 | } |
2041 | ||
2042 | /* | |
d62a17ae | 2043 | * rfapi_close_inner |
2044 | * | |
2045 | * Does almost all the work of rfapi_close, except: | |
2046 | * 1. preserves the descriptor (doesn't free it) | |
2047 | * 2. preserves the prefix query list (i.e., rfd->mon list) | |
2048 | * 3. preserves the advertised prefix list (rfd->advertised) | |
2049 | * 4. preserves the rib and rib_pending tables | |
2050 | * | |
2051 | * The purpose of organizing it this way is to support on-the-fly | |
2052 | * reassignment of an already-open nve to a new nve-group in the | |
2053 | * event that its original nve-group is administratively deleted. | |
2054 | */ | |
2055 | static int rfapi_close_inner(struct rfapi_descriptor *rfd, struct bgp *bgp) | |
2056 | { | |
2057 | int rc; | |
2058 | struct prefix pfx_vn; | |
2059 | struct prefix_rd prd; /* currently always 0 for VN->UN */ | |
2060 | ||
2061 | if (!is_valid_rfd(rfd)) | |
2062 | return EBADF; | |
2063 | ||
2064 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
2065 | assert(!rc); /* should never have bad AF in stored vn address */ | |
2066 | ||
2067 | /* | |
2068 | * update exported routes to reflect disappearance of this NVE as | |
2069 | * nexthop | |
2070 | */ | |
2071 | vnc_direct_bgp_del_nve(bgp, rfd); | |
2072 | vnc_zebra_del_nve(bgp, rfd); | |
2073 | ||
2074 | /* | |
2075 | * unlink this HD's monitors from import table | |
2076 | */ | |
2077 | rfapiMonitorDetachImportHd(rfd); | |
2078 | ||
2079 | /* | |
2080 | * Unlink from Import Table | |
2081 | * NB rfd->import_table will be NULL if we are closing a stale | |
2082 | * descriptor | |
2083 | */ | |
2084 | if (rfd->import_table) | |
2085 | rfapiImportTableRefDelByIt(bgp, rfd->import_table); | |
2086 | rfd->import_table = NULL; | |
2087 | ||
2088 | /* | |
2089 | * Construct route distinguisher | |
2090 | */ | |
2091 | memset(&prd, 0, sizeof(prd)); | |
2092 | prd = rfd->rd; | |
2093 | prd.family = AF_UNSPEC; | |
2094 | prd.prefixlen = 64; | |
2095 | ||
2096 | /* | |
2097 | * withdraw tunnel | |
2098 | */ | |
2099 | del_vnc_route(rfd, rfd->peer, bgp, SAFI_ENCAP, | |
2100 | &pfx_vn, /* prefix being advertised */ | |
2101 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2102 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, 0); /* no kill */ | |
2103 | ||
2104 | /* | |
2105 | * Construct route distinguisher for VPN routes | |
2106 | */ | |
2107 | prd = rfd->rd; | |
2108 | prd.family = AF_UNSPEC; | |
2109 | prd.prefixlen = 64; | |
2110 | ||
2111 | /* | |
2112 | * find all VPN routes associated with this rfd and delete them, too | |
2113 | */ | |
2114 | rfapiApWithdrawAll(bgp, rfd); | |
2115 | ||
2116 | /* | |
2117 | * remove this nve descriptor from the list of nves | |
2118 | * associated with the nve group | |
2119 | */ | |
2120 | if (rfd->rfg) { | |
2121 | listnode_delete(rfd->rfg->nves, rfd); | |
2122 | rfd->rfg = NULL; /* XXX mark as orphaned/stale */ | |
2123 | } | |
2124 | ||
2125 | if (rfd->rt_export_list) | |
2126 | ecommunity_free(&rfd->rt_export_list); | |
2127 | rfd->rt_export_list = NULL; | |
2128 | ||
2129 | /* | |
2130 | * free peer structure (possibly delayed until its | |
2131 | * refcount reaches zero) | |
2132 | */ | |
2133 | if (rfd->peer) { | |
2134 | vnc_zlog_debug_verbose("%s: calling peer_delete(%p), #%d", | |
2135 | __func__, rfd->peer, rfd->peer->lock); | |
2136 | peer_delete(rfd->peer); | |
2137 | } | |
2138 | rfd->peer = NULL; | |
2139 | ||
2140 | return 0; | |
65efcfce LB |
2141 | } |
2142 | ||
d62a17ae | 2143 | int rfapi_close(void *handle) |
65efcfce | 2144 | { |
d62a17ae | 2145 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2146 | int rc; | |
fe08ba7e | 2147 | struct agg_node *node; |
d62a17ae | 2148 | struct bgp *bgp; |
2149 | struct rfapi *h; | |
65efcfce | 2150 | |
d62a17ae | 2151 | vnc_zlog_debug_verbose("%s: rfd=%p", __func__, rfd); |
65efcfce LB |
2152 | |
2153 | #if RFAPI_WHO_IS_CALLING_ME | |
2154 | #ifdef HAVE_GLIBC_BACKTRACE | |
2155 | #define RFAPI_DEBUG_BACKTRACE_NENTRIES 5 | |
d62a17ae | 2156 | { |
2157 | void *buf[RFAPI_DEBUG_BACKTRACE_NENTRIES]; | |
2158 | char **syms; | |
2159 | int i; | |
2160 | size_t size; | |
2161 | ||
2162 | size = backtrace(buf, RFAPI_DEBUG_BACKTRACE_NENTRIES); | |
2163 | syms = backtrace_symbols(buf, size); | |
2164 | for (i = 0; i < size && i < RFAPI_DEBUG_BACKTRACE_NENTRIES; | |
2165 | ++i) { | |
2166 | vnc_zlog_debug_verbose("backtrace[%2d]: %s", i, | |
2167 | syms[i]); | |
2168 | } | |
2169 | free(syms); | |
2170 | } | |
65efcfce LB |
2171 | #endif |
2172 | #endif | |
2173 | ||
d62a17ae | 2174 | bgp = rfd->bgp; |
2175 | if (!bgp) | |
2176 | return ENXIO; | |
2177 | ||
2178 | h = bgp->rfapi; | |
2179 | if (!h) | |
2180 | return ENXIO; | |
2181 | ||
2182 | if (!is_valid_rfd(rfd)) | |
2183 | return EBADF; | |
2184 | ||
2185 | if (h->flags & RFAPI_INCALLBACK) { | |
2186 | /* | |
2187 | * Queue these close requests for processing after callback | |
2188 | * is finished | |
2189 | */ | |
2190 | if (!CHECK_FLAG(rfd->flags, | |
2191 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2192 | work_queue_add(h->deferred_close_q, handle); | |
2193 | vnc_zlog_debug_verbose( | |
2194 | "%s: added handle %p to deferred close queue", | |
2195 | __func__, handle); | |
2196 | } | |
2197 | return 0; | |
2198 | } | |
2199 | ||
2200 | if (CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2201 | ||
2202 | vnc_zlog_debug_verbose("%s administrative close rfd=%p", | |
2203 | __func__, rfd); | |
2204 | ||
2205 | if (h && h->rfp_methods.close_cb) { | |
2206 | vnc_zlog_debug_verbose( | |
2207 | "%s calling close callback rfd=%p", __func__, | |
2208 | rfd); | |
2209 | ||
2210 | /* | |
2211 | * call the callback fairly early so that it can still | |
2212 | * lookup un/vn | |
2213 | * from handle, etc. | |
2214 | * | |
2215 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2216 | * this point | |
2217 | * we are not already in the context of a callback. | |
2218 | */ | |
2219 | h->flags |= RFAPI_INCALLBACK; | |
2220 | (*h->rfp_methods.close_cb)(handle, EIDRM); | |
2221 | h->flags &= ~RFAPI_INCALLBACK; | |
2222 | } | |
2223 | } | |
2224 | ||
2225 | if (rfd->rfg) { | |
2226 | /* | |
2227 | * Orphaned descriptors have already done this part, so do | |
2228 | * only for non-orphaned descriptors. | |
2229 | */ | |
2230 | if ((rc = rfapi_close_inner(rfd, bgp))) | |
2231 | return rc; | |
2232 | } | |
2233 | ||
2234 | /* | |
2235 | * Remove descriptor from UN index | |
2236 | * (remove from chain at node) | |
2237 | */ | |
2238 | rc = rfapi_find_node(bgp, &rfd->vn_addr, &rfd->un_addr, &node); | |
2239 | if (!rc) { | |
2240 | struct rfapi_descriptor *hh; | |
2241 | ||
2242 | if (node->info == rfd) { | |
2243 | node->info = rfd->next; | |
2244 | } else { | |
2245 | ||
2246 | for (hh = node->info; hh; hh = hh->next) { | |
2247 | if (hh->next == rfd) { | |
2248 | hh->next = rfd->next; | |
2249 | break; | |
2250 | } | |
2251 | } | |
2252 | } | |
fe08ba7e | 2253 | agg_unlock_node(node); |
d62a17ae | 2254 | } |
2255 | ||
2256 | /* | |
2257 | * remove from descriptor list | |
2258 | */ | |
2259 | listnode_delete(&h->descriptors, rfd); | |
2260 | ||
2261 | /* | |
2262 | * Delete monitor list items and free monitor structures | |
2263 | */ | |
2264 | (void)rfapiMonitorDelHd(rfd); | |
2265 | ||
2266 | /* | |
2267 | * release advertised prefix data | |
2268 | */ | |
2269 | rfapiApRelease(&rfd->advertised); | |
2270 | ||
2271 | /* | |
2272 | * Release RFP callback RIB | |
2273 | */ | |
2274 | rfapiRibFree(rfd); | |
2275 | ||
2276 | /* | |
2277 | * free descriptor | |
2278 | */ | |
2279 | memset(rfd, 0, sizeof(struct rfapi_descriptor)); | |
2280 | XFREE(MTYPE_RFAPI_DESC, rfd); | |
2281 | ||
2282 | return 0; | |
65efcfce LB |
2283 | } |
2284 | ||
2285 | /* | |
2286 | * Reopen a nve descriptor. If the descriptor's NVE-group | |
2287 | * does not exist (e.g., if it has been administratively removed), | |
2288 | * reassignment to a new NVE-group is attempted. | |
2289 | * | |
2290 | * If NVE-group reassignment fails, the descriptor becomes "stale" | |
2291 | * (rfd->rfg == NULL implies "stale:). The only permissible API operation | |
2292 | * on a stale descriptor is rfapi_close(). Any other rfapi_* API operation | |
2293 | * on the descriptor will return ESTALE. | |
2294 | * | |
2295 | * Reopening a descriptor is a potentially expensive operation, because | |
2296 | * it involves withdrawing any routes advertised by the NVE, withdrawing | |
2297 | * the NVE's route queries, and then re-adding them all after a new | |
2298 | * NVE-group is assigned. There are also possible route-export affects | |
2299 | * caused by deleting and then adding the NVE: advertised prefixes | |
2300 | * and nexthop lists for exported routes can turn over. | |
2301 | */ | |
d62a17ae | 2302 | int rfapi_reopen(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 2303 | { |
d62a17ae | 2304 | struct rfapi *h; |
2305 | int rc; | |
2306 | ||
2307 | if ((rc = rfapi_close_inner(rfd, bgp))) { | |
2308 | return rc; | |
2309 | } | |
2310 | if ((rc = rfapi_open_rfd(rfd, bgp))) { | |
2311 | ||
2312 | h = bgp->rfapi; | |
2313 | ||
b575a12c | 2314 | assert(h != NULL && !CHECK_FLAG(h->flags, RFAPI_INCALLBACK)); |
d62a17ae | 2315 | |
2316 | if (CHECK_FLAG(rfd->flags, | |
2317 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY) | |
2318 | && h && h->rfp_methods.close_cb) { | |
2319 | ||
2320 | /* | |
2321 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2322 | * this point | |
2323 | * we are not already in the context of a callback. | |
2324 | */ | |
2325 | h->flags |= RFAPI_INCALLBACK; | |
2326 | (*h->rfp_methods.close_cb)((rfapi_handle)rfd, ESTALE); | |
2327 | h->flags &= ~RFAPI_INCALLBACK; | |
2328 | } | |
2329 | return rc; | |
2330 | } | |
2331 | return 0; | |
65efcfce LB |
2332 | } |
2333 | ||
2334 | /*********************************************************************** | |
2335 | * NVE Routes | |
2336 | ***********************************************************************/ | |
d62a17ae | 2337 | /* |
65efcfce LB |
2338 | * Announce reachability to this prefix via the NVE |
2339 | */ | |
d62a17ae | 2340 | int rfapi_register(void *handle, struct rfapi_ip_prefix *prefix, |
2341 | uint32_t lifetime, /* host byte order */ | |
2342 | struct rfapi_un_option *options_un, | |
2343 | struct rfapi_vn_option *options_vn, | |
2344 | rfapi_register_action action) | |
65efcfce | 2345 | { |
d62a17ae | 2346 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2347 | struct bgp *bgp; | |
2348 | struct prefix p; | |
2349 | struct prefix *pfx_ip = NULL; | |
2350 | struct prefix_rd prd; | |
e7038dde | 2351 | afi_t afi; |
d62a17ae | 2352 | struct prefix pfx_mac_buf; |
2353 | struct prefix *pfx_mac = NULL; | |
2354 | struct prefix pfx_vn_buf; | |
2355 | const char *action_str = NULL; | |
2356 | uint32_t *label = NULL; | |
2357 | struct rfapi_vn_option *vo; | |
2358 | struct rfapi_l2address_option *l2o = NULL; | |
2359 | struct prefix_rd *prd_override = NULL; | |
2360 | ||
2361 | switch (action) { | |
2362 | case RFAPI_REGISTER_ADD: | |
2363 | action_str = "add"; | |
2364 | break; | |
2365 | case RFAPI_REGISTER_WITHDRAW: | |
2366 | action_str = "withdraw"; | |
2367 | break; | |
2368 | case RFAPI_REGISTER_KILL: | |
2369 | action_str = "kill"; | |
2370 | break; | |
2371 | default: | |
2372 | assert(0); | |
2373 | break; | |
2374 | } | |
2375 | ||
2376 | /* | |
2377 | * Inspect VN options | |
2378 | */ | |
2379 | for (vo = options_vn; vo; vo = vo->next) { | |
2380 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { | |
2381 | l2o = &vo->v.l2addr; | |
2382 | } | |
2383 | if (RFAPI_VN_OPTION_TYPE_INTERNAL_RD == vo->type) { | |
2384 | prd_override = &vo->v.internal_rd; | |
2385 | } | |
2386 | } | |
2387 | ||
2388 | /********************************************************************* | |
2389 | * advertise prefix | |
2390 | *********************************************************************/ | |
2391 | ||
2392 | /* | |
2393 | * set <p> based on <prefix> | |
2394 | */ | |
2395 | assert(!rfapiRprefix2Qprefix(prefix, &p)); | |
2396 | ||
2397 | afi = family2afi(prefix->prefix.addr_family); | |
2398 | assert(afi); | |
2399 | ||
2400 | ||
2401 | { | |
872ed4c7 | 2402 | char buf[PREFIX_STRLEN]; |
d62a17ae | 2403 | |
872ed4c7 | 2404 | prefix2str(&p, buf, sizeof(buf)); |
d62a17ae | 2405 | vnc_zlog_debug_verbose( |
2406 | "%s(rfd=%p, pfx=%s, lifetime=%d, opts_un=%p, opts_vn=%p, action=%s)", | |
2407 | __func__, rfd, buf, lifetime, options_un, options_vn, | |
2408 | action_str); | |
2409 | } | |
2410 | ||
2411 | /* | |
2412 | * These tests come after the prefix conversion so that we can | |
2413 | * print the prefix in a debug message before failing | |
2414 | */ | |
2415 | ||
2416 | bgp = rfd->bgp; | |
2417 | if (!bgp) { | |
2418 | vnc_zlog_debug_verbose("%s: no BGP instance: returning ENXIO", | |
2419 | __func__); | |
2420 | return ENXIO; | |
2421 | } | |
2422 | if (!bgp->rfapi) { | |
2423 | vnc_zlog_debug_verbose("%s: no RFAPI instance: returning ENXIO", | |
2424 | __func__); | |
2425 | return ENXIO; | |
2426 | } | |
2427 | if (!rfd->rfg) { | |
2428 | if (RFAPI_REGISTER_ADD == action) { | |
2429 | ++bgp->rfapi->stat.count_registrations_failed; | |
2430 | } | |
2431 | vnc_zlog_debug_verbose( | |
2432 | "%s: rfd=%p, no RF GRP instance: returning ESTALE", | |
2433 | __func__, rfd); | |
2434 | return ESTALE; | |
2435 | } | |
2436 | ||
2437 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
2438 | if (RFAPI_REGISTER_ADD == action) { | |
2439 | ++bgp->rfapi->stat.count_registrations_failed; | |
2440 | } | |
2441 | vnc_zlog_debug_verbose("%s: in callback: returning EDEADLK", | |
2442 | __func__); | |
2443 | return EDEADLK; | |
2444 | } | |
2445 | ||
2446 | if (!is_valid_rfd(rfd)) { | |
2447 | if (RFAPI_REGISTER_ADD == action) { | |
2448 | ++bgp->rfapi->stat.count_registrations_failed; | |
2449 | } | |
2450 | vnc_zlog_debug_verbose("%s: invalid handle: returning EBADF", | |
2451 | __func__); | |
2452 | return EBADF; | |
2453 | } | |
2454 | ||
2455 | /* | |
2456 | * Is there a MAC address in this registration? | |
2457 | */ | |
2458 | if (l2o && !RFAPI_0_ETHERADDR(&l2o->macaddr)) { | |
2459 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2460 | pfx_mac = &pfx_mac_buf; | |
2461 | } | |
2462 | ||
2463 | /* | |
2464 | * Is there an IP prefix in this registration? | |
2465 | */ | |
2466 | if (!(RFAPI_0_PREFIX(&p) && RFAPI_HOST_PREFIX(&p))) { | |
2467 | pfx_ip = &p; | |
2468 | } else { | |
2469 | if (!pfx_mac) { | |
2470 | vnc_zlog_debug_verbose( | |
2471 | "%s: missing mac addr that is required for host 0 pfx", | |
2472 | __func__); | |
2473 | if (RFAPI_REGISTER_ADD == action) { | |
2474 | ++bgp->rfapi->stat.count_registrations_failed; | |
2475 | } | |
2476 | return EINVAL; | |
2477 | } | |
2478 | if (rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn_buf)) { | |
2479 | vnc_zlog_debug_verbose( | |
2480 | "%s: handle has bad vn_addr: returning EBADF", | |
2481 | __func__); | |
2482 | if (RFAPI_REGISTER_ADD == action) { | |
2483 | ++bgp->rfapi->stat.count_registrations_failed; | |
2484 | } | |
2485 | return EBADF; | |
2486 | } | |
2487 | } | |
2488 | ||
2489 | if (RFAPI_REGISTER_ADD == action) { | |
2490 | ++bgp->rfapi->stat.count_registrations; | |
2491 | } | |
2492 | ||
2493 | /* | |
2494 | * Figure out if this registration is missing an IP address | |
2495 | * | |
2496 | * MAC-addr based: | |
2497 | * | |
2498 | * In RFAPI, we use prefixes in family AF_LINK to store | |
2499 | * the MAC addresses. These prefixes are used for the | |
2500 | * list of advertised prefixes and in the RFAPI import | |
2501 | * tables. | |
2502 | * | |
2503 | * In BGP proper, we use the prefix matching the NVE's | |
2504 | * VN address with a host prefix-length (i.e., 32 or 128). | |
2505 | * | |
2506 | */ | |
2507 | if (l2o && l2o->logical_net_id && RFAPI_0_PREFIX(&p) | |
2508 | && RFAPI_HOST_PREFIX(&p)) { | |
2509 | ||
2510 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2511 | pfx_mac = &pfx_mac_buf; | |
2512 | } | |
2513 | ||
2514 | /* | |
2515 | * Construct route distinguisher | |
2516 | */ | |
2517 | if (prd_override) { | |
2518 | prd = *prd_override; | |
2519 | } else { | |
2520 | memset(&prd, 0, sizeof(prd)); | |
2521 | if (pfx_mac) { | |
2522 | prd.family = AF_UNSPEC; | |
2523 | prd.prefixlen = 64; | |
2524 | encode_rd_type(RD_TYPE_VNC_ETH, prd.val); | |
2525 | if (l2o->local_nve_id | |
2526 | || !(rfd->rfg->flags & RFAPI_RFG_L2RD)) { | |
2527 | /* | |
2528 | * If Local NVE ID is specified in message, use | |
2529 | * it. | |
2530 | * (if no local default configured, also use it | |
2531 | * even if 0) | |
2532 | */ | |
2533 | prd.val[1] = l2o->local_nve_id; | |
2534 | } else { | |
2535 | if (rfd->rfg->l2rd) { | |
2536 | /* | |
2537 | * locally-configured literal value | |
2538 | */ | |
2539 | prd.val[1] = rfd->rfg->l2rd; | |
2540 | } else { | |
2541 | /* | |
2542 | * 0 means auto:vn, which means use LSB | |
2543 | * of VN addr | |
2544 | */ | |
2545 | if (rfd->vn_addr.addr_family | |
2546 | == AF_INET) { | |
2547 | prd.val[1] = | |
2548 | *(((char *)&rfd->vn_addr | |
2549 | .addr.v4 | |
2550 | .s_addr) | |
2551 | + 3); | |
2552 | } else { | |
2553 | prd.val[1] = | |
2554 | *(((char *)&rfd->vn_addr | |
2555 | .addr.v6 | |
2556 | .s6_addr) | |
2557 | + 15); | |
2558 | } | |
2559 | } | |
2560 | } | |
2561 | memcpy(prd.val + 2, pfx_mac->u.prefix_eth.octet, 6); | |
2562 | } else { | |
2563 | prd = rfd->rd; | |
2564 | prd.family = AF_UNSPEC; | |
2565 | prd.prefixlen = 64; | |
2566 | } | |
2567 | } | |
2568 | ||
2569 | ||
2570 | if (action == RFAPI_REGISTER_WITHDRAW | |
2571 | || action == RFAPI_REGISTER_KILL) { | |
2572 | ||
2573 | int adv_tunnel = 0; | |
2574 | ||
2575 | /* | |
2576 | * withdraw previous advertisement | |
2577 | */ | |
2578 | del_vnc_route( | |
2579 | rfd, rfd->peer, bgp, SAFI_MPLS_VPN, | |
2580 | pfx_ip ? pfx_ip | |
2581 | : &pfx_vn_buf, /* prefix being advertised */ | |
2582 | &prd, /* route distinguisher (0 for ENCAP) */ | |
2583 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, | |
2584 | action == RFAPI_REGISTER_KILL); | |
2585 | ||
9d303b37 DL |
2586 | if (0 == rfapiApDelete(bgp, rfd, &p, pfx_mac, &prd, |
2587 | &adv_tunnel)) { | |
d62a17ae | 2588 | if (adv_tunnel) |
2589 | rfapiTunnelRouteAnnounce( | |
2590 | bgp, rfd, &rfd->max_prefix_lifetime); | |
2591 | } | |
2592 | ||
2593 | } else { | |
2594 | ||
2595 | int adv_tunnel = 0; | |
2596 | uint32_t local_pref; | |
2597 | struct ecommunity *rtlist = NULL; | |
2598 | struct ecommunity_val ecom_value; | |
2599 | ||
2600 | if (!rfapiApCount(rfd)) { | |
2601 | /* | |
2602 | * make sure we advertise tunnel route upon adding the | |
2603 | * first VPN route | |
2604 | */ | |
2605 | adv_tunnel = 1; | |
2606 | } | |
2607 | ||
2608 | if (rfapiApAdd(bgp, rfd, &p, pfx_mac, &prd, lifetime, | |
2609 | prefix->cost, l2o)) { | |
2610 | adv_tunnel = 1; | |
2611 | } | |
2612 | ||
2613 | vnc_zlog_debug_verbose("%s: adv_tunnel = %d", __func__, | |
2614 | adv_tunnel); | |
2615 | if (adv_tunnel) { | |
2616 | vnc_zlog_debug_verbose("%s: announcing tunnel route", | |
2617 | __func__); | |
2618 | rfapiTunnelRouteAnnounce(bgp, rfd, | |
2619 | &rfd->max_prefix_lifetime); | |
2620 | } | |
2621 | ||
2622 | vnc_zlog_debug_verbose("%s: calling add_vnc_route", __func__); | |
2623 | ||
2624 | local_pref = rfp_cost_to_localpref(prefix->cost); | |
2625 | ||
2626 | if (l2o && l2o->label) | |
2627 | label = &l2o->label; | |
2628 | ||
2629 | if (pfx_mac) { | |
2630 | struct ecommunity *l2com = NULL; | |
2631 | ||
2632 | if (label) { | |
2633 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
2634 | bgp, 1, l2o->logical_net_id, *label); | |
2635 | } | |
2636 | if (l2com) { | |
2637 | rtlist = ecommunity_dup(l2com); | |
2638 | } else { | |
2639 | /* | |
2640 | * If mac address is set, add an RT based on the | |
2641 | * registered LNI | |
2642 | */ | |
2643 | memset((char *)&ecom_value, 0, | |
2644 | sizeof(ecom_value)); | |
2645 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2646 | ecom_value.val[5] = | |
2647 | (l2o->logical_net_id >> 16) & 0xff; | |
2648 | ecom_value.val[6] = | |
2649 | (l2o->logical_net_id >> 8) & 0xff; | |
2650 | ecom_value.val[7] = | |
2651 | (l2o->logical_net_id >> 0) & 0xff; | |
2652 | rtlist = ecommunity_new(); | |
2653 | ecommunity_add_val(rtlist, &ecom_value); | |
2654 | } | |
2655 | if (l2o->tag_id) { | |
2656 | as_t as = bgp->as; | |
2657 | uint16_t val = l2o->tag_id; | |
2658 | memset((char *)&ecom_value, 0, | |
2659 | sizeof(ecom_value)); | |
2660 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2661 | if (as > BGP_AS_MAX) { | |
2662 | ecom_value.val[0] = | |
2663 | ECOMMUNITY_ENCODE_AS4; | |
2664 | ecom_value.val[2] = (as >> 24) & 0xff; | |
2665 | ecom_value.val[3] = (as >> 16) & 0xff; | |
2666 | ecom_value.val[4] = (as >> 8) & 0xff; | |
2667 | ecom_value.val[5] = as & 0xff; | |
2668 | } else { | |
2669 | ecom_value.val[0] = | |
2670 | ECOMMUNITY_ENCODE_AS; | |
2671 | ecom_value.val[2] = (as >> 8) & 0xff; | |
2672 | ecom_value.val[3] = as & 0xff; | |
2673 | } | |
2674 | ecom_value.val[6] = (val >> 8) & 0xff; | |
2675 | ecom_value.val[7] = val & 0xff; | |
2676 | if (rtlist == NULL) | |
2677 | rtlist = ecommunity_new(); | |
2678 | ecommunity_add_val(rtlist, &ecom_value); | |
2679 | } | |
2680 | } | |
2681 | ||
2682 | /* | |
2683 | * advertise prefix via tunnel endpoint | |
2684 | */ | |
2685 | add_vnc_route( | |
2686 | rfd, /* rfapi descr, for export list & backref */ | |
2687 | bgp, /* which bgp instance */ | |
2688 | SAFI_MPLS_VPN, /* which SAFI */ | |
2689 | (pfx_ip ? pfx_ip | |
2690 | : &pfx_vn_buf), /* prefix being advertised */ | |
2691 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2692 | &rfd->vn_addr, /* nexthop */ | |
2693 | &local_pref, | |
2694 | &lifetime, /* prefix lifetime -> Tunnel Encap attr */ | |
2695 | NULL, options_un, /* rfapi un options */ | |
2696 | options_vn, /* rfapi vn options */ | |
2697 | (rtlist ? rtlist : rfd->rt_export_list), NULL, /* med */ | |
2698 | label, /* label: default */ | |
2699 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
2700 | ||
2701 | if (rtlist) | |
2702 | ecommunity_free(&rtlist); /* sets rtlist = NULL */ | |
2703 | } | |
2704 | ||
2705 | vnc_zlog_debug_verbose("%s: success", __func__); | |
2706 | return 0; | |
65efcfce LB |
2707 | } |
2708 | ||
d62a17ae | 2709 | int rfapi_query(void *handle, struct rfapi_ip_addr *target, |
2710 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
2711 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 2712 | { |
d62a17ae | 2713 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2714 | struct bgp *bgp = rfd->bgp; | |
2715 | int rc; | |
2716 | ||
2717 | assert(ppNextHopEntry); | |
2718 | *ppNextHopEntry = NULL; | |
2719 | ||
2720 | if (bgp && bgp->rfapi) { | |
2721 | bgp->rfapi->stat.count_queries++; | |
2722 | } | |
2723 | ||
2724 | if (!rfd->rfg) { | |
2725 | if (bgp && bgp->rfapi) | |
2726 | ++bgp->rfapi->stat.count_queries_failed; | |
2727 | return ESTALE; | |
2728 | } | |
2729 | ||
2730 | if ((rc = rfapi_query_inner(handle, target, l2o, ppNextHopEntry))) { | |
2731 | if (bgp && bgp->rfapi) | |
2732 | ++bgp->rfapi->stat.count_queries_failed; | |
2733 | } | |
2734 | return rc; | |
65efcfce LB |
2735 | } |
2736 | ||
d62a17ae | 2737 | int rfapi_query_done(rfapi_handle handle, struct rfapi_ip_addr *target) |
65efcfce | 2738 | { |
d62a17ae | 2739 | struct prefix p; |
2740 | int rc; | |
2741 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; | |
2742 | struct bgp *bgp = rfd->bgp; | |
65efcfce | 2743 | |
d62a17ae | 2744 | if (!rfd->rfg) |
2745 | return ESTALE; | |
65efcfce | 2746 | |
d62a17ae | 2747 | assert(target); |
2748 | rc = rfapiRaddr2Qprefix(target, &p); | |
2749 | assert(!rc); | |
65efcfce | 2750 | |
d62a17ae | 2751 | if (!is_valid_rfd(rfd)) |
2752 | return EBADF; | |
65efcfce | 2753 | |
d62a17ae | 2754 | /* preemptive */ |
2755 | if (!bgp || !bgp->rfapi) | |
2756 | return ENXIO; | |
65efcfce | 2757 | |
d62a17ae | 2758 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) |
2759 | return EDEADLK; | |
65efcfce | 2760 | |
d62a17ae | 2761 | rfapiMonitorDel(bgp, rfd, &p); |
65efcfce | 2762 | |
d62a17ae | 2763 | return 0; |
65efcfce LB |
2764 | } |
2765 | ||
d62a17ae | 2766 | int rfapi_query_done_all(rfapi_handle handle, int *count) |
65efcfce | 2767 | { |
d62a17ae | 2768 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2769 | struct bgp *bgp = rfd->bgp; | |
2770 | ; | |
2771 | int num; | |
65efcfce | 2772 | |
d62a17ae | 2773 | if (!rfd->rfg) |
2774 | return ESTALE; | |
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 | num = rfapiMonitorDelHd(rfd); |
65efcfce | 2787 | |
d62a17ae | 2788 | if (count) |
2789 | *count = num; | |
65efcfce | 2790 | |
d62a17ae | 2791 | return 0; |
65efcfce LB |
2792 | } |
2793 | ||
d62a17ae | 2794 | void rfapi_free_next_hop_list(struct rfapi_next_hop_entry *list) |
65efcfce | 2795 | { |
d62a17ae | 2796 | struct rfapi_next_hop_entry *nh; |
2797 | struct rfapi_next_hop_entry *next; | |
2798 | ||
2799 | for (nh = list; nh; nh = next) { | |
2800 | next = nh->next; | |
2801 | rfapi_un_options_free(nh->un_options); | |
2802 | nh->un_options = NULL; | |
2803 | rfapi_vn_options_free(nh->vn_options); | |
2804 | nh->vn_options = NULL; | |
2805 | XFREE(MTYPE_RFAPI_NEXTHOP, nh); | |
2806 | } | |
65efcfce LB |
2807 | } |
2808 | ||
2809 | /* | |
2810 | * NULL handle => return total count across all nves | |
2811 | */ | |
d62a17ae | 2812 | uint32_t rfapi_monitor_count(void *handle) |
65efcfce | 2813 | { |
d62a17ae | 2814 | struct bgp *bgp = bgp_get_default(); |
2815 | uint32_t count; | |
65efcfce | 2816 | |
d62a17ae | 2817 | if (handle) { |
2818 | struct rfapi_descriptor *rfd = | |
2819 | (struct rfapi_descriptor *)handle; | |
2820 | count = rfd->monitor_count; | |
2821 | } else { | |
65efcfce | 2822 | |
d62a17ae | 2823 | if (!bgp || !bgp->rfapi) |
2824 | return 0; | |
65efcfce | 2825 | |
d62a17ae | 2826 | count = bgp->rfapi->monitor_count; |
2827 | } | |
65efcfce | 2828 | |
d62a17ae | 2829 | return count; |
65efcfce LB |
2830 | } |
2831 | ||
2832 | /*********************************************************************** | |
2833 | * CLI/CONFIG | |
2834 | ***********************************************************************/ | |
2835 | ||
2836 | DEFUN (debug_rfapi_show_nves, | |
2837 | debug_rfapi_show_nves_cmd, | |
2838 | "debug rfapi-dev show nves", | |
2839 | DEBUG_STR | |
2840 | DEBUG_RFAPI_STR | |
2841 | SHOW_STR | |
2842 | "NVE Information\n") | |
2843 | { | |
d62a17ae | 2844 | rfapiPrintMatchingDescriptors(vty, NULL, NULL); |
2845 | return CMD_SUCCESS; | |
65efcfce LB |
2846 | } |
2847 | ||
2848 | DEFUN ( | |
2849 | debug_rfapi_show_nves_vn_un, | |
2850 | debug_rfapi_show_nves_vn_un_cmd, | |
034d2de2 | 2851 | "debug rfapi-dev show nves <vn|un> <A.B.C.D|X:X::X:X>", /* prefix also ok */ |
65efcfce LB |
2852 | DEBUG_STR |
2853 | DEBUG_RFAPI_STR | |
2854 | SHOW_STR | |
2855 | "NVE Information\n" | |
034d2de2 DS |
2856 | "Specify virtual network\n" |
2857 | "Specify underlay network interface\n" | |
2858 | "IPv4 address\n" | |
2859 | "IPv6 address\n") | |
65efcfce | 2860 | { |
d62a17ae | 2861 | struct prefix pfx; |
2862 | ||
2863 | if (!str2prefix(argv[5]->arg, &pfx)) { | |
2864 | vty_out(vty, "Malformed address \"%s\"\n", argv[5]->arg); | |
2865 | return CMD_WARNING_CONFIG_FAILED; | |
2866 | } | |
2867 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
2868 | vty_out(vty, "Invalid address \"%s\"\n", argv[5]->arg); | |
2869 | return CMD_WARNING_CONFIG_FAILED; | |
2870 | } | |
2871 | ||
2872 | if (argv[4]->arg[0] == 'u') { | |
2873 | rfapiPrintMatchingDescriptors(vty, NULL, &pfx); | |
2874 | } else { | |
2875 | rfapiPrintMatchingDescriptors(vty, &pfx, NULL); | |
2876 | } | |
2877 | return CMD_SUCCESS; | |
65efcfce LB |
2878 | } |
2879 | ||
2880 | /* | |
2881 | * Note: this function does not flush vty output, so if it is called | |
2882 | * with a stream pointing to a vty, the user will have to type something | |
2883 | * before the callback output shows up | |
2884 | */ | |
d62a17ae | 2885 | static void test_nexthops_callback( |
2886 | // struct rfapi_ip_addr *target, | |
2887 | struct rfapi_next_hop_entry *next_hops, void *userdata) | |
65efcfce | 2888 | { |
d62a17ae | 2889 | void *stream = userdata; |
65efcfce | 2890 | |
d62a17ae | 2891 | int (*fp)(void *, const char *, ...); |
2892 | struct vty *vty; | |
2893 | void *out; | |
2894 | const char *vty_newline; | |
65efcfce | 2895 | |
d62a17ae | 2896 | if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0) |
2897 | return; | |
65efcfce | 2898 | |
d62a17ae | 2899 | fp(out, "Nexthops Callback, Target=("); |
2900 | // rfapiPrintRfapiIpAddr(stream, target); | |
2901 | fp(out, ")\n"); | |
65efcfce | 2902 | |
d62a17ae | 2903 | rfapiPrintNhl(stream, next_hops); |
65efcfce | 2904 | |
3a022a7f LB |
2905 | fp(out, "\n"); |
2906 | ||
d62a17ae | 2907 | rfapi_free_next_hop_list(next_hops); |
65efcfce LB |
2908 | } |
2909 | ||
2910 | DEFUN (debug_rfapi_open, | |
2911 | debug_rfapi_open_cmd, | |
034d2de2 | 2912 | "debug rfapi-dev open vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2913 | DEBUG_STR |
2914 | DEBUG_RFAPI_STR | |
2915 | "rfapi_open\n" | |
2916 | "indicate vn addr follows\n" | |
034d2de2 DS |
2917 | "virtual network interface IPv4 address\n" |
2918 | "virtual network interface IPv6 address\n" | |
2919 | "indicate xt addr follows\n" | |
2920 | "underlay network interface IPv4 address\n" | |
2921 | "underlay network interface IPv6 address\n") | |
65efcfce | 2922 | { |
d62a17ae | 2923 | struct rfapi_ip_addr vn; |
2924 | struct rfapi_ip_addr un; | |
ed4e30ed | 2925 | uint32_t lifetime = 0; |
d62a17ae | 2926 | int rc; |
2927 | rfapi_handle handle; | |
65efcfce | 2928 | |
d62a17ae | 2929 | /* |
2930 | * Get VN addr | |
2931 | */ | |
2932 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
2933 | return rc; | |
65efcfce | 2934 | |
d62a17ae | 2935 | /* |
2936 | * Get UN addr | |
2937 | */ | |
2938 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
2939 | return rc; | |
65efcfce | 2940 | |
d62a17ae | 2941 | rc = rfapi_open(rfapi_get_rfp_start_val_by_bgp(bgp_get_default()), &vn, |
2942 | &un, /*&uo */ NULL, &lifetime, NULL, &handle); | |
65efcfce | 2943 | |
d62a17ae | 2944 | vty_out(vty, "rfapi_open: status %d, handle %p, lifetime %d\n", rc, |
2945 | handle, lifetime); | |
65efcfce | 2946 | |
d62a17ae | 2947 | rc = rfapi_set_response_cb(handle, test_nexthops_callback); |
65efcfce | 2948 | |
d62a17ae | 2949 | vty_out(vty, "rfapi_set_response_cb: status %d\n", rc); |
65efcfce | 2950 | |
d62a17ae | 2951 | return CMD_SUCCESS; |
65efcfce LB |
2952 | } |
2953 | ||
2954 | ||
2955 | DEFUN (debug_rfapi_close_vn_un, | |
2956 | debug_rfapi_close_vn_un_cmd, | |
034d2de2 | 2957 | "debug rfapi-dev close vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2958 | DEBUG_STR |
2959 | DEBUG_RFAPI_STR | |
2960 | "rfapi_close\n" | |
2961 | "indicate vn addr follows\n" | |
034d2de2 DS |
2962 | "virtual network interface IPv4 address\n" |
2963 | "virtual network interface IPv6 address\n" | |
2964 | "indicate xt addr follows\n" | |
2965 | "underlay network interface IPv4 address\n" | |
2966 | "underlay network interface IPv6 address\n") | |
65efcfce | 2967 | { |
d62a17ae | 2968 | struct rfapi_ip_addr vn; |
2969 | struct rfapi_ip_addr un; | |
2970 | rfapi_handle handle; | |
2971 | int rc; | |
65efcfce | 2972 | |
d62a17ae | 2973 | /* |
2974 | * Get VN addr | |
2975 | */ | |
2976 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
2977 | return rc; | |
65efcfce LB |
2978 | |
2979 | ||
d62a17ae | 2980 | /* |
2981 | * Get UN addr | |
2982 | */ | |
2983 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
2984 | return rc; | |
65efcfce LB |
2985 | |
2986 | ||
d62a17ae | 2987 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
2988 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
2989 | argv[4]->arg, argv[6]->arg); | |
2990 | return CMD_WARNING_CONFIG_FAILED; | |
2991 | } | |
65efcfce | 2992 | |
d62a17ae | 2993 | rc = rfapi_close(handle); |
65efcfce | 2994 | |
d62a17ae | 2995 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 2996 | |
d62a17ae | 2997 | return CMD_SUCCESS; |
65efcfce LB |
2998 | } |
2999 | ||
3000 | DEFUN (debug_rfapi_close_rfd, | |
3001 | debug_rfapi_close_rfd_cmd, | |
3002 | "debug rfapi-dev close rfd HANDLE", | |
3003 | DEBUG_STR | |
3004 | DEBUG_RFAPI_STR | |
3005 | "rfapi_close\n" | |
3006 | "indicate handle follows\n" "rfapi handle in hexadecimal\n") | |
3007 | { | |
d62a17ae | 3008 | rfapi_handle handle; |
3009 | int rc; | |
3010 | char *endptr = NULL; | |
65efcfce | 3011 | |
d62a17ae | 3012 | handle = (rfapi_handle)(uintptr_t)(strtoull(argv[4]->arg, &endptr, 16)); |
65efcfce | 3013 | |
d62a17ae | 3014 | if (*endptr != '\0' || (uintptr_t)handle == UINTPTR_MAX) { |
3015 | vty_out(vty, "Invalid value: %s\n", argv[4]->arg); | |
3016 | return CMD_WARNING_CONFIG_FAILED; | |
3017 | } | |
65efcfce | 3018 | |
d62a17ae | 3019 | rc = rfapi_close(handle); |
65efcfce | 3020 | |
d62a17ae | 3021 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 3022 | |
d62a17ae | 3023 | return CMD_SUCCESS; |
65efcfce LB |
3024 | } |
3025 | ||
3026 | DEFUN (debug_rfapi_register_vn_un, | |
3027 | debug_rfapi_register_vn_un_cmd, | |
3a022a7f | 3028 | "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 [cost (0-255)]", |
65efcfce LB |
3029 | DEBUG_STR |
3030 | DEBUG_RFAPI_STR | |
3031 | "rfapi_register\n" | |
3032 | "indicate vn addr follows\n" | |
3033 | "virtual network IPv4 interface address\n" | |
3034 | "virtual network IPv6 interface address\n" | |
d62a17ae | 3035 | "indicate un addr follows\n" |
3036 | "underlay network IPv4 interface address\n" | |
3037 | "underlay network IPv6 interface address\n" | |
3038 | "indicate prefix follows\n" | |
3039 | "IPv4 prefix\n" | |
3040 | "IPv6 prefix\n" | |
3041 | "indicate lifetime follows\n" | |
3a022a7f LB |
3042 | "lifetime\n" |
3043 | "Cost (localpref = 255-cost)\n" | |
3044 | "0-255\n") | |
d62a17ae | 3045 | { |
3046 | struct rfapi_ip_addr vn; | |
3047 | struct rfapi_ip_addr un; | |
3048 | rfapi_handle handle; | |
3049 | struct prefix pfx; | |
3050 | uint32_t lifetime; | |
3051 | struct rfapi_ip_prefix hpfx; | |
3052 | int rc; | |
3a022a7f | 3053 | uint8_t cost = 100; |
d62a17ae | 3054 | |
3055 | /* | |
3056 | * Get VN addr | |
3057 | */ | |
3058 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3059 | return rc; | |
3060 | ||
3061 | ||
3062 | /* | |
3063 | * Get UN addr | |
3064 | */ | |
3065 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3066 | return rc; | |
3067 | ||
3068 | ||
3069 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3070 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3071 | argv[4]->arg, argv[6]->arg); | |
3072 | return CMD_WARNING_CONFIG_FAILED; | |
3073 | } | |
3074 | ||
3075 | /* | |
3076 | * Get prefix to advertise | |
3077 | */ | |
3078 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3079 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3080 | return CMD_WARNING_CONFIG_FAILED; | |
3081 | } | |
3082 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3083 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3084 | return CMD_WARNING_CONFIG_FAILED; | |
3085 | } | |
3086 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3087 | ||
3088 | if (strmatch(argv[10]->text, "infinite")) { | |
3089 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3090 | } else { | |
3091 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3092 | } | |
3093 | ||
3a022a7f LB |
3094 | if (argc >= 13) |
3095 | cost = (uint8_t) strtoul(argv[12]->arg, NULL, 10); | |
3096 | hpfx.cost = cost; | |
d62a17ae | 3097 | |
973fd31c LB |
3098 | rc = rfapi_register(handle, &hpfx, lifetime, NULL, NULL, |
3099 | RFAPI_REGISTER_ADD); | |
d62a17ae | 3100 | if (rc) { |
3101 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3102 | strerror(rc)); | |
3103 | } | |
3104 | ||
3105 | return CMD_SUCCESS; | |
65efcfce LB |
3106 | } |
3107 | ||
3108 | DEFUN (debug_rfapi_register_vn_un_l2o, | |
3109 | debug_rfapi_register_vn_un_l2o_cmd, | |
034d2de2 | 3110 | "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 |
3111 | DEBUG_STR |
3112 | DEBUG_RFAPI_STR | |
3113 | "rfapi_register\n" | |
3114 | "indicate vn addr follows\n" | |
3115 | "virtual network IPv4 interface address\n" | |
3116 | "virtual network IPv6 interface address\n" | |
3117 | "indicate un addr follows\n" | |
3118 | "underlay network IPv4 interface address\n" | |
3119 | "underlay network IPv6 interface address\n" | |
3120 | "indicate prefix follows\n" | |
3121 | "IPv4 prefix\n" | |
034d2de2 DS |
3122 | "IPv6 prefix\n" |
3123 | "indicate lifetime follows\n" | |
3124 | "Seconds of lifetime\n" | |
3125 | "indicate MAC address follows\n" | |
3126 | "MAC address\n" | |
3127 | "indicate lni follows\n" | |
3128 | "lni value range\n") | |
65efcfce | 3129 | { |
d62a17ae | 3130 | struct rfapi_ip_addr vn; |
3131 | struct rfapi_ip_addr un; | |
3132 | rfapi_handle handle; | |
3133 | struct prefix pfx; | |
3134 | uint32_t lifetime; | |
3135 | struct rfapi_ip_prefix hpfx; | |
3136 | int rc; | |
3137 | struct rfapi_vn_option optary[10]; /* XXX must be big enough */ | |
3138 | struct rfapi_vn_option *opt = NULL; | |
3139 | int opt_next = 0; | |
3140 | ||
3141 | /* | |
3142 | * Get VN addr | |
3143 | */ | |
3144 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3145 | return rc; | |
3146 | ||
3147 | ||
3148 | /* | |
3149 | * Get UN addr | |
3150 | */ | |
3151 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3152 | return rc; | |
3153 | ||
3154 | ||
3155 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3156 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3157 | argv[4]->arg, argv[6]->arg); | |
3158 | return CMD_WARNING_CONFIG_FAILED; | |
3159 | } | |
3160 | ||
3161 | /* | |
3162 | * Get prefix to advertise | |
3163 | */ | |
3164 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3165 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3166 | return CMD_WARNING_CONFIG_FAILED; | |
3167 | } | |
3168 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3169 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3170 | return CMD_WARNING_CONFIG_FAILED; | |
3171 | } | |
3172 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3173 | ||
3174 | if (strmatch(argv[10]->text, "infinite")) { | |
3175 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3176 | } else { | |
3177 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3178 | } | |
3179 | ||
3180 | /* L2 option parsing START */ | |
3181 | memset(optary, 0, sizeof(optary)); | |
3182 | optary[opt_next].v.l2addr.logical_net_id = | |
3183 | strtoul(argv[14]->arg, NULL, 10); | |
3f54c705 PM |
3184 | if (rfapiStr2EthAddr(argv[12]->arg, |
3185 | &optary[opt_next].v.l2addr.macaddr)) { | |
d62a17ae | 3186 | vty_out(vty, "Bad mac address \"%s\"\n", argv[12]->arg); |
3187 | return CMD_WARNING_CONFIG_FAILED; | |
3188 | } | |
3189 | optary[opt_next].type = RFAPI_VN_OPTION_TYPE_L2ADDR; | |
c7e803f1 DS |
3190 | opt = optary; |
3191 | ||
d62a17ae | 3192 | /* L2 option parsing END */ |
3193 | ||
3194 | /* TBD fixme */ | |
973fd31c LB |
3195 | rc = rfapi_register(handle, &hpfx, lifetime, NULL /* &uo */, opt, |
3196 | RFAPI_REGISTER_ADD); | |
d62a17ae | 3197 | if (rc) { |
3198 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3199 | strerror(rc)); | |
3200 | } | |
3201 | ||
3202 | return CMD_SUCCESS; | |
65efcfce LB |
3203 | } |
3204 | ||
3205 | ||
3206 | DEFUN (debug_rfapi_unregister_vn_un, | |
3207 | debug_rfapi_unregister_vn_un_cmd, | |
973fd31c | 3208 | "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> [kill]", |
65efcfce LB |
3209 | DEBUG_STR |
3210 | DEBUG_RFAPI_STR | |
3211 | "rfapi_register\n" | |
3212 | "indicate vn addr follows\n" | |
3213 | "virtual network interface address\n" | |
3214 | "indicate xt addr follows\n" | |
3215 | "underlay network interface address\n" | |
973fd31c LB |
3216 | "prefix to remove\n" |
3217 | "Remove without holddown") | |
65efcfce | 3218 | { |
d62a17ae | 3219 | struct rfapi_ip_addr vn; |
3220 | struct rfapi_ip_addr un; | |
3221 | rfapi_handle handle; | |
3222 | struct prefix pfx; | |
3223 | struct rfapi_ip_prefix hpfx; | |
3224 | int rc; | |
3225 | ||
3226 | /* | |
3227 | * Get VN addr | |
3228 | */ | |
3229 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3230 | return rc; | |
3231 | ||
3232 | ||
3233 | /* | |
3234 | * Get UN addr | |
3235 | */ | |
3236 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3237 | return rc; | |
3238 | ||
3239 | ||
3240 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3241 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3242 | argv[4]->arg, argv[6]->arg); | |
3243 | return CMD_WARNING_CONFIG_FAILED; | |
3244 | } | |
3245 | ||
3246 | /* | |
3247 | * Get prefix to advertise | |
3248 | */ | |
3249 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3250 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3251 | return CMD_WARNING_CONFIG_FAILED; | |
3252 | } | |
3253 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3254 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3255 | return CMD_WARNING_CONFIG_FAILED; | |
3256 | } | |
3257 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3258 | ||
973fd31c LB |
3259 | rfapi_register(handle, &hpfx, 0, NULL, NULL, |
3260 | (argc == 10 ? | |
3261 | RFAPI_REGISTER_KILL : RFAPI_REGISTER_WITHDRAW)); | |
d62a17ae | 3262 | |
3263 | return CMD_SUCCESS; | |
65efcfce LB |
3264 | } |
3265 | ||
3266 | DEFUN (debug_rfapi_query_vn_un, | |
3267 | debug_rfapi_query_vn_un_cmd, | |
034d2de2 | 3268 | "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 |
3269 | DEBUG_STR |
3270 | DEBUG_RFAPI_STR | |
3271 | "rfapi_query\n" | |
3272 | "indicate vn addr follows\n" | |
034d2de2 DS |
3273 | "virtual network interface IPv4 address\n" |
3274 | "virtual network interface IPv6 address\n" | |
3275 | "indicate un addr follows\n" | |
3276 | "IPv4 un address\n" | |
3277 | "IPv6 un address\n" | |
3278 | "indicate target follows\n" | |
3279 | "target IPv4 address\n" | |
3280 | "target IPv6 address\n") | |
65efcfce | 3281 | { |
d62a17ae | 3282 | struct rfapi_ip_addr vn; |
3283 | struct rfapi_ip_addr un; | |
3284 | struct rfapi_ip_addr target; | |
3285 | rfapi_handle handle; | |
3286 | int rc; | |
3287 | struct rfapi_next_hop_entry *pNextHopEntry; | |
3288 | ||
3289 | /* | |
3290 | * Get VN addr | |
3291 | */ | |
3292 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3293 | return rc; | |
3294 | ||
3295 | ||
3296 | /* | |
3297 | * Get UN addr | |
3298 | */ | |
3299 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3300 | return rc; | |
3301 | ||
3302 | ||
3303 | /* | |
3304 | * Get target addr | |
3305 | */ | |
3306 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[8]->arg, &target))) | |
3307 | return rc; | |
3308 | ||
3309 | ||
3310 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3311 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3312 | argv[4]->arg, argv[6]->arg); | |
3313 | return CMD_WARNING_CONFIG_FAILED; | |
3314 | } | |
3315 | ||
3316 | /* | |
3317 | * options parameter not used? Set to NULL for now | |
3318 | */ | |
3319 | rc = rfapi_query(handle, &target, NULL, &pNextHopEntry); | |
3320 | ||
3321 | if (rc) { | |
3322 | vty_out(vty, "rfapi_query failed with rc=%d (%s)\n", rc, | |
3323 | strerror(rc)); | |
3324 | } else { | |
3325 | /* | |
3326 | * print nexthop list | |
3327 | */ | |
3328 | test_nexthops_callback(/*&target, */ pNextHopEntry, | |
3329 | vty); /* frees nh list! */ | |
3330 | } | |
3331 | ||
3332 | return CMD_SUCCESS; | |
65efcfce LB |
3333 | } |
3334 | ||
3335 | ||
3336 | DEFUN (debug_rfapi_query_vn_un_l2o, | |
3337 | debug_rfapi_query_vn_un_l2o_cmd, | |
034d2de2 | 3338 | "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 |
3339 | DEBUG_STR |
3340 | DEBUG_RFAPI_STR | |
3341 | "rfapi_query\n" | |
3342 | "indicate vn addr follows\n" | |
034d2de2 DS |
3343 | "virtual network interface IPv4 address\n" |
3344 | "virtual network interface IPv6 address\n" | |
65efcfce | 3345 | "indicate xt addr follows\n" |
034d2de2 DS |
3346 | "underlay network interface IPv4 address\n" |
3347 | "underlay network interface IPv6 address\n" | |
65efcfce LB |
3348 | "logical network ID follows\n" |
3349 | "logical network ID\n" | |
034d2de2 DS |
3350 | "indicate target MAC addr follows\n" |
3351 | "target MAC addr\n") | |
65efcfce | 3352 | { |
d62a17ae | 3353 | struct rfapi_ip_addr vn; |
3354 | struct rfapi_ip_addr un; | |
d62a17ae | 3355 | int rc; |
d62a17ae | 3356 | |
3357 | /* | |
3358 | * Get VN addr | |
3359 | */ | |
3360 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3361 | return rc; | |
3362 | ||
3363 | ||
3364 | /* | |
3365 | * Get UN addr | |
3366 | */ | |
3367 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3368 | return rc; | |
65efcfce | 3369 | |
d62a17ae | 3370 | vty_out(vty, "%% This command is broken.\n"); |
3371 | return CMD_WARNING_CONFIG_FAILED; | |
65efcfce LB |
3372 | } |
3373 | ||
3374 | ||
3375 | DEFUN (debug_rfapi_query_done_vn_un, | |
3376 | debug_rfapi_query_vn_un_done_cmd, | |
034d2de2 | 3377 | "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 |
3378 | DEBUG_STR |
3379 | DEBUG_RFAPI_STR | |
3380 | "rfapi_query_done\n" | |
034d2de2 | 3381 | "rfapi_query_done\n" |
65efcfce | 3382 | "indicate vn addr follows\n" |
034d2de2 DS |
3383 | "virtual network interface IPv4 address\n" |
3384 | "virtual network interface IPv6 address\n" | |
65efcfce | 3385 | "indicate xt addr follows\n" |
034d2de2 DS |
3386 | "underlay network interface IPv4 address\n" |
3387 | "underlay network interface IPv6 address\n" | |
3388 | "indicate target follows\n" | |
3389 | "Target IPv4 address\n" | |
3390 | "Target IPv6 address\n") | |
65efcfce | 3391 | { |
d62a17ae | 3392 | struct rfapi_ip_addr vn; |
3393 | struct rfapi_ip_addr un; | |
3394 | struct rfapi_ip_addr target; | |
3395 | rfapi_handle handle; | |
3396 | int rc; | |
65efcfce | 3397 | |
d62a17ae | 3398 | /* |
3399 | * Get VN addr | |
3400 | */ | |
3401 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3402 | return rc; | |
65efcfce LB |
3403 | |
3404 | ||
d62a17ae | 3405 | /* |
3406 | * Get UN addr | |
3407 | */ | |
3408 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3409 | return rc; | |
65efcfce LB |
3410 | |
3411 | ||
d62a17ae | 3412 | /* |
3413 | * Get target addr | |
3414 | */ | |
3415 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[9]->arg, &target))) | |
3416 | return rc; | |
65efcfce LB |
3417 | |
3418 | ||
d62a17ae | 3419 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
3420 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3421 | argv[5]->arg, argv[7]->arg); | |
3422 | return CMD_WARNING_CONFIG_FAILED; | |
3423 | } | |
65efcfce | 3424 | |
d62a17ae | 3425 | /* |
3426 | * options parameter not used? Set to NULL for now | |
3427 | */ | |
3428 | rc = rfapi_query_done(handle, &target); | |
65efcfce | 3429 | |
d62a17ae | 3430 | vty_out(vty, "rfapi_query_done returned %d\n", rc); |
65efcfce | 3431 | |
d62a17ae | 3432 | return CMD_SUCCESS; |
65efcfce LB |
3433 | } |
3434 | ||
3435 | DEFUN (debug_rfapi_show_import, | |
3436 | debug_rfapi_show_import_cmd, | |
3437 | "debug rfapi-dev show import", | |
3438 | DEBUG_STR | |
3439 | DEBUG_RFAPI_STR | |
3440 | SHOW_STR | |
3441 | "import\n") | |
3442 | { | |
d62a17ae | 3443 | struct bgp *bgp; |
3444 | struct rfapi *h; | |
3445 | struct rfapi_import_table *it; | |
3446 | char *s; | |
3447 | int first_l2 = 1; | |
3448 | ||
3449 | /* | |
3450 | * Show all import tables | |
3451 | */ | |
3452 | ||
3453 | bgp = bgp_get_default(); /* assume 1 instance for now */ | |
3454 | if (!bgp) { | |
3455 | vty_out(vty, "No BGP instance\n"); | |
3456 | return CMD_WARNING_CONFIG_FAILED; | |
3457 | } | |
3458 | ||
3459 | h = bgp->rfapi; | |
3460 | if (!h) { | |
3461 | vty_out(vty, "No RFAPI instance\n"); | |
3462 | return CMD_WARNING_CONFIG_FAILED; | |
3463 | } | |
3464 | ||
3465 | /* | |
3466 | * Iterate over all import tables; do a filtered import | |
3467 | * for the afi/safi combination | |
3468 | */ | |
3469 | ||
3470 | ||
3471 | for (it = h->imports; it; it = it->next) { | |
3472 | s = ecommunity_ecom2str(it->rt_import_list, | |
3473 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
3474 | vty_out(vty, "Import Table %p, RTs: %s\n", it, s); | |
3475 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
3476 | ||
3477 | rfapiShowImportTable(vty, "IP VPN", it->imported_vpn[AFI_IP], | |
3478 | 1); | |
3479 | rfapiShowImportTable(vty, "IP ENCAP", | |
3480 | it->imported_encap[AFI_IP], 0); | |
3481 | rfapiShowImportTable(vty, "IP6 VPN", it->imported_vpn[AFI_IP6], | |
3482 | 1); | |
3483 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3484 | it->imported_encap[AFI_IP6], 0); | |
3485 | } | |
3486 | ||
3487 | if (h->import_mac) { | |
3488 | void *cursor = NULL; | |
3489 | uint32_t lni; | |
3490 | uintptr_t lni_as_ptr; | |
3491 | int rc; | |
3492 | char buf[BUFSIZ]; | |
3493 | ||
3494 | for (rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3495 | (void **)&it, &cursor); | |
3496 | !rc; | |
3497 | rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3498 | (void **)&it, &cursor)) { | |
3499 | ||
3500 | if (it->imported_vpn[AFI_L2VPN]) { | |
3501 | lni = lni_as_ptr; | |
3502 | if (first_l2) { | |
3503 | vty_out(vty, | |
3504 | "\nLNI-based Ethernet Tables:\n"); | |
3505 | first_l2 = 0; | |
3506 | } | |
3507 | snprintf(buf, BUFSIZ, "L2VPN LNI=%u", lni); | |
3508 | rfapiShowImportTable( | |
3509 | vty, buf, it->imported_vpn[AFI_L2VPN], | |
3510 | 1); | |
3511 | } | |
3512 | } | |
3513 | } | |
3514 | ||
3515 | rfapiShowImportTable(vty, "CE IT - IP VPN", | |
3516 | h->it_ce->imported_vpn[AFI_IP], 1); | |
3517 | ||
3518 | return CMD_SUCCESS; | |
65efcfce LB |
3519 | } |
3520 | ||
3521 | DEFUN (debug_rfapi_show_import_vn_un, | |
3522 | debug_rfapi_show_import_vn_un_cmd, | |
034d2de2 | 3523 | "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 |
3524 | DEBUG_STR |
3525 | DEBUG_RFAPI_STR | |
3526 | SHOW_STR | |
3527 | "import\n" | |
3528 | "indicate vn addr follows\n" | |
034d2de2 DS |
3529 | "virtual network interface IPv4 address\n" |
3530 | "virtual network interface IPv6 address\n" | |
3531 | "indicate xt addr follows\n" | |
3532 | "underlay network interface IPv4 address\n" | |
3533 | "underlay network interface IPv6 address\n") | |
65efcfce | 3534 | { |
d62a17ae | 3535 | struct rfapi_ip_addr vn; |
3536 | struct rfapi_ip_addr un; | |
3537 | rfapi_handle handle; | |
3538 | int rc; | |
3539 | struct rfapi_descriptor *rfd; | |
3540 | ||
3541 | /* | |
3542 | * Get VN addr | |
3543 | */ | |
3544 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3545 | return rc; | |
3546 | ||
3547 | ||
3548 | /* | |
3549 | * Get UN addr | |
3550 | */ | |
3551 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3552 | return rc; | |
3553 | ||
3554 | ||
3555 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3556 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3557 | argv[5]->arg, argv[7]->arg); | |
3558 | return CMD_WARNING_CONFIG_FAILED; | |
3559 | } | |
3560 | ||
3561 | rfd = (struct rfapi_descriptor *)handle; | |
3562 | ||
3563 | rfapiShowImportTable(vty, "IP VPN", | |
3564 | rfd->import_table->imported_vpn[AFI_IP], 1); | |
3565 | rfapiShowImportTable(vty, "IP ENCAP", | |
3566 | rfd->import_table->imported_encap[AFI_IP], 0); | |
3567 | rfapiShowImportTable(vty, "IP6 VPN", | |
3568 | rfd->import_table->imported_vpn[AFI_IP6], 1); | |
3569 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3570 | rfd->import_table->imported_encap[AFI_IP6], 0); | |
3571 | ||
3572 | return CMD_SUCCESS; | |
65efcfce LB |
3573 | } |
3574 | ||
3575 | DEFUN (debug_rfapi_response_omit_self, | |
3576 | debug_rfapi_response_omit_self_cmd, | |
034d2de2 | 3577 | "debug rfapi-dev response-omit-self <on|off>", |
65efcfce LB |
3578 | DEBUG_STR |
3579 | DEBUG_RFAPI_STR | |
3580 | "Omit self in RFP responses\n" | |
3581 | "filter out self from responses\n" "leave self in responses\n") | |
3582 | { | |
d62a17ae | 3583 | struct bgp *bgp = bgp_get_default(); |
3584 | ||
3585 | if (!bgp) { | |
3586 | vty_out(vty, "No BGP process is configured\n"); | |
3587 | return CMD_WARNING_CONFIG_FAILED; | |
3588 | } | |
3589 | if (!bgp->rfapi_cfg) { | |
3590 | vty_out(vty, "VNC not configured\n"); | |
3591 | return CMD_WARNING_CONFIG_FAILED; | |
3592 | } | |
3593 | ||
3594 | if (strmatch(argv[3]->text, "on")) | |
3595 | SET_FLAG(bgp->rfapi_cfg->flags, | |
3596 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3597 | else | |
3598 | UNSET_FLAG(bgp->rfapi_cfg->flags, | |
3599 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3600 | ||
3601 | return CMD_SUCCESS; | |
65efcfce LB |
3602 | } |
3603 | ||
3604 | ||
3605 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
3606 | ||
f8b6f499 | 3607 | #include "lib/skiplist.h" |
65efcfce LB |
3608 | DEFUN (skiplist_test_cli, |
3609 | skiplist_test_cli_cmd, | |
3610 | "skiplist test", | |
3611 | "skiplist command\n" | |
3612 | "test\n") | |
3613 | { | |
d62a17ae | 3614 | skiplist_test(vty); |
65efcfce | 3615 | |
d62a17ae | 3616 | return CMD_SUCCESS; |
65efcfce LB |
3617 | } |
3618 | ||
3619 | DEFUN (skiplist_debug_cli, | |
3620 | skiplist_debug_cli_cmd, | |
3621 | "skiplist debug", | |
3622 | "skiplist command\n" | |
3623 | "debug\n") | |
3624 | { | |
d62a17ae | 3625 | skiplist_debug(vty, NULL); |
3626 | return CMD_SUCCESS; | |
65efcfce LB |
3627 | } |
3628 | ||
3629 | #endif /* RFAPI_DEBUG_SKIPLIST_CLI */ | |
3630 | ||
d62a17ae | 3631 | void rfapi_init(void) |
65efcfce | 3632 | { |
d62a17ae | 3633 | bgp_rfapi_cfg_init(); |
3634 | vnc_debug_init(); | |
65efcfce | 3635 | |
d62a17ae | 3636 | install_element(ENABLE_NODE, &debug_rfapi_show_import_cmd); |
3637 | install_element(ENABLE_NODE, &debug_rfapi_show_import_vn_un_cmd); | |
65efcfce | 3638 | |
d62a17ae | 3639 | install_element(ENABLE_NODE, &debug_rfapi_open_cmd); |
3640 | install_element(ENABLE_NODE, &debug_rfapi_close_vn_un_cmd); | |
3641 | install_element(ENABLE_NODE, &debug_rfapi_close_rfd_cmd); | |
3642 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_cmd); | |
3643 | install_element(ENABLE_NODE, &debug_rfapi_unregister_vn_un_cmd); | |
3644 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_cmd); | |
3645 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_done_cmd); | |
3646 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_l2o_cmd); | |
65efcfce | 3647 | |
d62a17ae | 3648 | install_element(ENABLE_NODE, &debug_rfapi_response_omit_self_cmd); |
65efcfce | 3649 | |
d62a17ae | 3650 | /* Need the following show commands for gpz test scripts */ |
3651 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_cmd); | |
3652 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_vn_un_cmd); | |
3653 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_l2o_cmd); | |
65efcfce LB |
3654 | |
3655 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
d62a17ae | 3656 | install_element(ENABLE_NODE, &skiplist_test_cli_cmd); |
3657 | install_element(ENABLE_NODE, &skiplist_debug_cli_cmd); | |
65efcfce LB |
3658 | #endif |
3659 | ||
d62a17ae | 3660 | rfapi_vty_init(); |
65efcfce LB |
3661 | } |
3662 | ||
3663 | #ifdef DEBUG_RFAPI | |
d62a17ae | 3664 | static void rfapi_print_exported(struct bgp *bgp) |
65efcfce | 3665 | { |
d62a17ae | 3666 | struct bgp_node *rdn; |
3667 | struct bgp_node *rn; | |
40381db7 | 3668 | struct bgp_path_info *bpi; |
d62a17ae | 3669 | |
3670 | if (!bgp) | |
3671 | return; | |
3672 | ||
3673 | for (rdn = bgp_table_top(bgp->rib[AFI_IP][SAFI_MPLS_VPN]); rdn; | |
3674 | rdn = bgp_route_next(rdn)) { | |
67009e22 DS |
3675 | struct bgp_table *table; |
3676 | ||
3677 | table = bgp_node_get_bgp_table_info(rdn); | |
3678 | if (!table) | |
d62a17ae | 3679 | continue; |
3680 | fprintf(stderr, "%s: vpn rdn=%p\n", __func__, rdn); | |
67009e22 | 3681 | for (rn = bgp_table_top(table); rn; |
d62a17ae | 3682 | rn = bgp_route_next(rn)) { |
6f94b685 DS |
3683 | bpi = bgp_node_get_bgp_path_info(rn); |
3684 | ||
3685 | if (!bpi) | |
d62a17ae | 3686 | continue; |
3687 | fprintf(stderr, "%s: rn=%p\n", __func__, rn); | |
6f94b685 | 3688 | for (; bpi; bpi = bpi->next) { |
40381db7 | 3689 | rfapiPrintBi((void *)2, bpi); /* 2 => stderr */ |
d62a17ae | 3690 | } |
3691 | } | |
3692 | } | |
3693 | for (rdn = bgp_table_top(bgp->rib[AFI_IP][SAFI_ENCAP]); rdn; | |
3694 | rdn = bgp_route_next(rdn)) { | |
67009e22 DS |
3695 | struct bgp_table *table; |
3696 | ||
3697 | table = bgp_node_get_bgp_table_info(rdn); | |
3698 | if (!table) | |
d62a17ae | 3699 | continue; |
3700 | fprintf(stderr, "%s: encap rdn=%p\n", __func__, rdn); | |
67009e22 | 3701 | for (rn = bgp_table_top(table)); rn; |
d62a17ae | 3702 | rn = bgp_route_next(rn)) { |
6f94b685 DS |
3703 | bpi = bgp_node_get_bgp_path_info(rn); |
3704 | if (!bpi) | |
d62a17ae | 3705 | continue; |
3706 | fprintf(stderr, "%s: rn=%p\n", __func__, rn); | |
6f94b685 | 3707 | for (; bpi; bpi = bpi->next) { |
40381db7 | 3708 | rfapiPrintBi((void *)2, bpi); /* 2 => stderr */ |
d62a17ae | 3709 | } |
3710 | } | |
3711 | } | |
65efcfce LB |
3712 | } |
3713 | #endif /* defined(DEBUG_RFAPI) */ | |
3714 | ||
3715 | /* | |
3716 | * Free all memory to prepare for clean exit as seen by valgrind memcheck | |
3717 | */ | |
d62a17ae | 3718 | void rfapi_delete(struct bgp *bgp) |
65efcfce | 3719 | { |
d62a17ae | 3720 | extern void rfp_clear_vnc_nve_all(void); /* can't fix correctly yet */ |
3721 | ||
3722 | /* | |
3723 | * This clears queries and registered routes, and closes nves | |
3724 | */ | |
3725 | if (bgp->rfapi) | |
3726 | rfp_clear_vnc_nve_all(); | |
3727 | bgp_rfapi_cfg_destroy(bgp, bgp->rfapi_cfg); | |
3728 | bgp->rfapi_cfg = NULL; | |
3729 | bgp_rfapi_destroy(bgp, bgp->rfapi); | |
3730 | bgp->rfapi = NULL; | |
65efcfce | 3731 | #ifdef DEBUG_RFAPI |
d62a17ae | 3732 | /* |
3733 | * show what's left in the BGP MPLSVPN RIB | |
3734 | */ | |
3735 | rfapi_print_exported(bgp); | |
65efcfce | 3736 | #endif |
65efcfce LB |
3737 | } |
3738 | ||
d62a17ae | 3739 | int rfapi_set_autord_from_vn(struct prefix_rd *rd, struct rfapi_ip_addr *vn) |
65efcfce | 3740 | { |
d62a17ae | 3741 | vnc_zlog_debug_verbose("%s: auto-assigning RD", __func__); |
3742 | if (vn->addr_family != AF_INET && vn->addr_family != AF_INET6) { | |
3743 | vnc_zlog_debug_verbose( | |
3744 | "%s: can't auto-assign RD, VN addr family is not IPv4" | |
3745 | "|v6", | |
3746 | __func__); | |
3747 | return EAFNOSUPPORT; | |
3748 | } | |
3749 | rd->family = AF_UNSPEC; | |
3750 | rd->prefixlen = 64; | |
3751 | rd->val[1] = RD_TYPE_IP; | |
3752 | if (vn->addr_family == AF_INET) { | |
3753 | memcpy(rd->val + 2, &vn->addr.v4.s_addr, 4); | |
3754 | } else { /* is v6 */ | |
3755 | memcpy(rd->val + 2, &vn->addr.v6.s6_addr32[3], | |
3756 | 4); /* low order 4 bytes */ | |
3757 | } | |
3758 | { | |
06b9f471 DS |
3759 | char buf[RD_ADDRSTRLEN]; |
3760 | ||
d62a17ae | 3761 | vnc_zlog_debug_verbose("%s: auto-RD is set to %s", __func__, |
06b9f471 | 3762 | prefix_rd2str(rd, buf, sizeof(buf))); |
d62a17ae | 3763 | } |
3764 | return 0; | |
65efcfce LB |
3765 | } |
3766 | ||
3767 | /*------------------------------------------ | |
3768 | * rfapi_bgp_lookup_by_rfp | |
3769 | * | |
3770 | * Find bgp instance pointer based on value returned by rfp_start | |
3771 | * | |
d62a17ae | 3772 | * input: |
65efcfce LB |
3773 | * rfp_start_val value returned by rfp_startor |
3774 | * NULL (=get default instance) | |
3775 | * | |
3776 | * output: | |
3777 | * none | |
3778 | * | |
3779 | * return value: | |
3780 | * bgp bgp instance pointer | |
3781 | * NULL = not found | |
3782 | * | |
3783 | --------------------------------------------*/ | |
d62a17ae | 3784 | struct bgp *rfapi_bgp_lookup_by_rfp(void *rfp_start_val) |
65efcfce | 3785 | { |
d62a17ae | 3786 | struct bgp *bgp = NULL; |
3787 | struct listnode *node, *nnode; | |
3788 | ||
3789 | if (rfp_start_val == NULL) | |
3790 | bgp = bgp_get_default(); | |
3791 | else | |
3792 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) | |
3793 | if (bgp->rfapi != NULL | |
3794 | && bgp->rfapi->rfp == rfp_start_val) | |
3795 | return bgp; | |
3796 | return bgp; | |
65efcfce LB |
3797 | } |
3798 | ||
3799 | /*------------------------------------------ | |
3800 | * rfapi_get_rfp_start_val_by_bgp | |
3801 | * | |
3802 | * Find bgp instance pointer based on value returned by rfp_start | |
3803 | * | |
d62a17ae | 3804 | * input: |
65efcfce LB |
3805 | * bgp bgp instance pointer |
3806 | * | |
3807 | * output: | |
3808 | * none | |
3809 | * | |
3810 | * return value: | |
3811 | * rfp_start_val | |
3812 | * NULL = not found | |
3813 | * | |
3814 | --------------------------------------------*/ | |
d62a17ae | 3815 | void *rfapi_get_rfp_start_val_by_bgp(struct bgp *bgp) |
65efcfce | 3816 | { |
d62a17ae | 3817 | if (!bgp || !bgp->rfapi) |
3818 | return NULL; | |
3819 | return bgp->rfapi->rfp; | |
65efcfce LB |
3820 | } |
3821 | ||
3822 | /*********************************************************************** | |
3823 | * RFP group specific configuration | |
3824 | ***********************************************************************/ | |
d62a17ae | 3825 | static void *rfapi_rfp_get_or_init_group_config_default(struct rfapi_cfg *rfc, |
3826 | struct vty *vty, | |
3827 | uint32_t size) | |
65efcfce | 3828 | { |
d62a17ae | 3829 | if (rfc->default_rfp_cfg == NULL && size > 0) { |
3830 | rfc->default_rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3831 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3832 | size); | |
3833 | } | |
3834 | return rfc->default_rfp_cfg; | |
65efcfce LB |
3835 | } |
3836 | ||
d62a17ae | 3837 | static void *rfapi_rfp_get_or_init_group_config_nve(struct rfapi_cfg *rfc, |
3838 | struct vty *vty, | |
3839 | uint32_t size) | |
65efcfce | 3840 | { |
d62a17ae | 3841 | struct rfapi_nve_group_cfg *rfg = |
3842 | VTY_GET_CONTEXT_SUB(rfapi_nve_group_cfg); | |
3843 | ||
3844 | /* make sure group is still in list */ | |
3845 | if (!rfg || !listnode_lookup(rfc->nve_groups_sequential, rfg)) { | |
3846 | /* Not in list anymore */ | |
3847 | vty_out(vty, "Current NVE group no longer exists\n"); | |
3848 | return NULL; | |
3849 | } | |
3850 | ||
3851 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3852 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3853 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3854 | size); | |
3855 | } | |
3856 | return rfg->rfp_cfg; | |
65efcfce LB |
3857 | } |
3858 | ||
d62a17ae | 3859 | static void *rfapi_rfp_get_or_init_group_config_l2(struct rfapi_cfg *rfc, |
3860 | struct vty *vty, | |
3861 | uint32_t size) | |
65efcfce | 3862 | { |
d62a17ae | 3863 | struct rfapi_l2_group_cfg *rfg = |
3864 | VTY_GET_CONTEXT_SUB(rfapi_l2_group_cfg); | |
3865 | ||
3866 | /* make sure group is still in list */ | |
3867 | if (!rfg || !listnode_lookup(rfc->l2_groups, rfg)) { | |
3868 | /* Not in list anymore */ | |
3869 | vty_out(vty, "Current L2 group no longer exists\n"); | |
3870 | return NULL; | |
3871 | } | |
3872 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3873 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3874 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3875 | size); | |
3876 | } | |
3877 | return rfg->rfp_cfg; | |
65efcfce LB |
3878 | } |
3879 | ||
3880 | /*------------------------------------------ | |
3881 | * rfapi_rfp_init_group_config_ptr_vty | |
3882 | * | |
3883 | * This is used to init or return a previously init'ed group specific | |
d62a17ae | 3884 | * configuration pointer. Group is identified by vty context. |
65efcfce LB |
3885 | * NOTE: size is ignored when a previously init'ed value is returned. |
3886 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
3887 | * bgp restart or shutdown. | |
3888 | * | |
d62a17ae | 3889 | * input: |
65efcfce LB |
3890 | * rfp_start_val value returned by rfp_start |
3891 | * type group type | |
3892 | * vty quagga vty context | |
3893 | * size number of bytes to allocation | |
3894 | * | |
3895 | * output: | |
3896 | * none | |
3897 | * | |
d62a17ae | 3898 | * return value: |
65efcfce LB |
3899 | * rfp_cfg_group NULL or Pointer to configuration structure |
3900 | --------------------------------------------*/ | |
d62a17ae | 3901 | void *rfapi_rfp_init_group_config_ptr_vty(void *rfp_start_val, |
3902 | rfapi_rfp_cfg_group_type type, | |
3903 | struct vty *vty, uint32_t size) | |
65efcfce | 3904 | { |
d62a17ae | 3905 | struct bgp *bgp; |
3906 | void *ret = NULL; | |
3907 | ||
3908 | if (rfp_start_val == NULL || vty == NULL) | |
3909 | return NULL; | |
3910 | ||
3911 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
3912 | if (!bgp || !bgp->rfapi_cfg) | |
3913 | return NULL; | |
3914 | ||
3915 | switch (type) { | |
3916 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
3917 | ret = rfapi_rfp_get_or_init_group_config_default(bgp->rfapi_cfg, | |
3918 | vty, size); | |
3919 | break; | |
3920 | case RFAPI_RFP_CFG_GROUP_NVE: | |
3921 | ret = rfapi_rfp_get_or_init_group_config_nve(bgp->rfapi_cfg, | |
3922 | vty, size); | |
3923 | break; | |
3924 | case RFAPI_RFP_CFG_GROUP_L2: | |
3925 | ret = rfapi_rfp_get_or_init_group_config_l2(bgp->rfapi_cfg, vty, | |
3926 | size); | |
3927 | break; | |
3928 | default: | |
450971aa | 3929 | flog_err(EC_LIB_DEVELOPMENT, "%s: Unknown group type=%d", |
1c50c1c0 | 3930 | __func__, type); |
d62a17ae | 3931 | /* should never happen */ |
3932 | assert("Unknown type" == NULL); | |
3933 | break; | |
3934 | } | |
3935 | return ret; | |
65efcfce LB |
3936 | } |
3937 | ||
3938 | /*------------------------------------------ | |
3939 | * rfapi_rfp_get_group_config_ptr_vty | |
3940 | * | |
3941 | * This is used to get group specific configuration pointer. | |
3942 | * Group is identified by type and vty context. | |
3943 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
d62a17ae | 3944 | * bgp restart or shutdown. |
65efcfce | 3945 | * |
d62a17ae | 3946 | * input: |
65efcfce LB |
3947 | * rfp_start_val value returned by rfp_start |
3948 | * type group type | |
3949 | * vty quagga vty context | |
3950 | * | |
3951 | * output: | |
3952 | * none | |
3953 | * | |
3954 | * return value: | |
d62a17ae | 3955 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 3956 | --------------------------------------------*/ |
d62a17ae | 3957 | void *rfapi_rfp_get_group_config_ptr_vty(void *rfp_start_val, |
3958 | rfapi_rfp_cfg_group_type type, | |
3959 | struct vty *vty) | |
65efcfce | 3960 | { |
d62a17ae | 3961 | return rfapi_rfp_init_group_config_ptr_vty(rfp_start_val, type, vty, 0); |
65efcfce LB |
3962 | } |
3963 | ||
3964 | static void * | |
d62a17ae | 3965 | rfapi_rfp_get_group_config_name_nve(struct rfapi_cfg *rfc, const char *name, |
3966 | void *criteria, | |
3967 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3968 | { |
d62a17ae | 3969 | struct rfapi_nve_group_cfg *rfg; |
3970 | struct listnode *node; | |
3971 | ||
3972 | for (ALL_LIST_ELEMENTS_RO(rfc->nve_groups_sequential, node, rfg)) { | |
3973 | if (!strcmp(rfg->name, name) && /* name match */ | |
3974 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3975 | return rfg->rfp_cfg; | |
3976 | } | |
3977 | return NULL; | |
65efcfce LB |
3978 | } |
3979 | ||
3980 | static void * | |
d62a17ae | 3981 | rfapi_rfp_get_group_config_name_l2(struct rfapi_cfg *rfc, const char *name, |
3982 | void *criteria, | |
3983 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3984 | { |
d62a17ae | 3985 | struct rfapi_l2_group_cfg *rfg; |
3986 | struct listnode *node; | |
3987 | ||
3988 | for (ALL_LIST_ELEMENTS_RO(rfc->l2_groups, node, rfg)) { | |
3989 | if (!strcmp(rfg->name, name) && /* name match */ | |
3990 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3991 | return rfg->rfp_cfg; | |
3992 | } | |
3993 | return NULL; | |
65efcfce LB |
3994 | } |
3995 | ||
3996 | /*------------------------------------------ | |
3997 | * rfapi_rfp_get_group_config_ptr_name | |
3998 | * | |
3999 | * This is used to get group specific configuration pointer. | |
d62a17ae | 4000 | * Group is identified by type and name context. |
65efcfce LB |
4001 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, |
4002 | * bgp restart or shutdown. | |
4003 | * | |
d62a17ae | 4004 | * input: |
65efcfce LB |
4005 | * rfp_start_val value returned by rfp_start |
4006 | * type group type | |
4007 | * name group name | |
4008 | * criteria RFAPI caller provided serach criteria | |
4009 | * search_cb optional rfp_group_config_search_cb_t | |
4010 | * | |
4011 | * output: | |
4012 | * none | |
4013 | * | |
4014 | * return value: | |
d62a17ae | 4015 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 4016 | --------------------------------------------*/ |
d62a17ae | 4017 | void *rfapi_rfp_get_group_config_ptr_name( |
4018 | void *rfp_start_val, rfapi_rfp_cfg_group_type type, const char *name, | |
4019 | void *criteria, rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 4020 | { |
d62a17ae | 4021 | struct bgp *bgp; |
4022 | void *ret = NULL; | |
4023 | ||
4024 | if (rfp_start_val == NULL || name == NULL) | |
4025 | return NULL; | |
4026 | ||
4027 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
4028 | if (!bgp || !bgp->rfapi_cfg) | |
4029 | return NULL; | |
4030 | ||
4031 | switch (type) { | |
4032 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
4033 | ret = bgp->rfapi_cfg->default_rfp_cfg; | |
4034 | break; | |
4035 | case RFAPI_RFP_CFG_GROUP_NVE: | |
4036 | ret = rfapi_rfp_get_group_config_name_nve(bgp->rfapi_cfg, name, | |
4037 | criteria, search_cb); | |
4038 | break; | |
4039 | case RFAPI_RFP_CFG_GROUP_L2: | |
4040 | ret = rfapi_rfp_get_group_config_name_l2(bgp->rfapi_cfg, name, | |
4041 | criteria, search_cb); | |
4042 | break; | |
4043 | default: | |
450971aa | 4044 | flog_err(EC_LIB_DEVELOPMENT, "%s: Unknown group type=%d", |
1c50c1c0 | 4045 | __func__, type); |
d62a17ae | 4046 | /* should never happen */ |
4047 | assert("Unknown type" == NULL); | |
4048 | break; | |
4049 | } | |
4050 | return ret; | |
65efcfce LB |
4051 | } |
4052 | ||
4053 | /*------------------------------------------ | |
4054 | * rfapi_rfp_get_l2_group_config_ptr_lni | |
4055 | * | |
4056 | * This is used to get group specific configuration pointer. | |
4057 | * Group is identified by type and logical network identifier. | |
4058 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4059 | * bgp restart or shutdown. | |
4060 | * | |
d62a17ae | 4061 | * input: |
65efcfce LB |
4062 | * rfp_start_val value returned by rfp_start |
4063 | * type group type | |
4064 | * logical_net_id group logical network identifier | |
4065 | * criteria RFAPI caller provided serach criteria | |
4066 | * search_cb optional rfp_group_config_search_cb_t | |
4067 | * | |
4068 | * output: | |
4069 | * none | |
4070 | * | |
4071 | * return value: | |
d62a17ae | 4072 | * rfp_cfg_group Pointer to configuration structure |
65efcfce LB |
4073 | --------------------------------------------*/ |
4074 | void * | |
d62a17ae | 4075 | rfapi_rfp_get_l2_group_config_ptr_lni(void *rfp_start_val, |
4076 | uint32_t logical_net_id, void *criteria, | |
4077 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 4078 | { |
d62a17ae | 4079 | struct bgp *bgp; |
4080 | struct rfapi_l2_group_cfg *rfg; | |
4081 | struct listnode *node; | |
4082 | ||
4083 | if (rfp_start_val == NULL) | |
4084 | return NULL; | |
4085 | ||
4086 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
4087 | if (!bgp || !bgp->rfapi_cfg) | |
4088 | return NULL; | |
4089 | ||
4090 | for (ALL_LIST_ELEMENTS_RO(bgp->rfapi_cfg->l2_groups, node, rfg)) { | |
4091 | if (rfg->logical_net_id == logical_net_id | |
4092 | && (search_cb == NULL | |
4093 | || !search_cb(criteria, rfg->rfp_cfg))) { | |
4094 | if (rfg->rfp_cfg == NULL) | |
4095 | vnc_zlog_debug_verbose( | |
4096 | "%s: returning rfp group config for lni=0", | |
4097 | __func__); | |
4098 | return rfg->rfp_cfg; | |
4099 | } | |
4100 | } | |
4101 | return NULL; | |
65efcfce | 4102 | } |