]>
Commit | Line | Data |
---|---|---|
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 */ | |
5a1ae2c2 | 358 | struct bgp *bgp, safi_t safi, const struct prefix *p, |
d62a17ae | 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 */ |
9bcb3eef | 363 | struct bgp_dest *bn; |
40381db7 | 364 | struct bgp_path_info *bpi; |
06b9f471 | 365 | char buf2[RD_ADDRSTRLEN]; |
d62a17ae | 366 | struct prefix_rd prd0; |
367 | ||
d62a17ae | 368 | afi = family2afi(p->family); |
369 | assert(afi == AFI_IP || afi == AFI_IP6); | |
370 | ||
371 | if (safi == SAFI_ENCAP) { | |
372 | memset(&prd0, 0, sizeof(prd0)); | |
373 | prd0.family = AF_UNSPEC; | |
374 | prd0.prefixlen = 64; | |
375 | prd = &prd0; | |
376 | } | |
377 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
378 | ||
379 | vnc_zlog_debug_verbose( | |
2dbe669b DA |
380 | "%s: peer=%p, prefix=%pFX, prd=%s afi=%d, safi=%d bn=%p, bn->info=%p", |
381 | __func__, peer, p, prefix_rd2str(prd, buf2, sizeof(buf2)), afi, | |
382 | safi, bn, (bn ? bgp_dest_get_bgp_path_info(bn) : NULL)); | |
d62a17ae | 383 | |
9bcb3eef | 384 | for (bpi = (bn ? bgp_dest_get_bgp_path_info(bn) : NULL); bpi; |
6f94b685 | 385 | bpi = bpi->next) { |
d62a17ae | 386 | |
387 | vnc_zlog_debug_verbose( | |
05864da7 | 388 | "%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 |
389 | __func__, bpi, bpi->peer, bpi->type, bpi->sub_type, |
390 | (bpi->extra ? bpi->extra->vnc.export.rfapi_handle | |
391 | : NULL), | |
05864da7 DS |
392 | CHECK_FLAG(bpi->attr->flag, |
393 | ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF) | |
394 | ? bpi->attr->local_pref : 0)); | |
d62a17ae | 395 | |
40381db7 DS |
396 | if (bpi->peer == peer && bpi->type == type |
397 | && bpi->sub_type == sub_type && bpi->extra | |
398 | && bpi->extra->vnc.export.rfapi_handle == (void *)rfd) { | |
d62a17ae | 399 | |
400 | vnc_zlog_debug_verbose("%s: matched it", __func__); | |
401 | ||
402 | break; | |
403 | } | |
404 | } | |
405 | ||
406 | if (lnh) { | |
407 | /* | |
408 | * lnh set means to JUST delete the local nexthop from this | |
409 | * route. Leave the route itself in place. | |
410 | * TBD add return code reporting of success/failure | |
411 | */ | |
40381db7 DS |
412 | if (!bpi || !bpi->extra |
413 | || !bpi->extra->vnc.export.local_nexthops) { | |
d62a17ae | 414 | /* |
415 | * no local nexthops | |
416 | */ | |
417 | vnc_zlog_debug_verbose( | |
2dbe669b DA |
418 | "%s: lnh list already empty at prefix %pFX", |
419 | __func__, p); | |
d62a17ae | 420 | goto done; |
421 | } | |
422 | ||
423 | /* | |
424 | * look for it | |
425 | */ | |
426 | struct listnode *node; | |
427 | struct rfapi_nexthop *pLnh = NULL; | |
428 | ||
40381db7 | 429 | for (ALL_LIST_ELEMENTS_RO(bpi->extra->vnc.export.local_nexthops, |
d62a17ae | 430 | node, pLnh)) { |
431 | ||
432 | if (prefix_same(&pLnh->addr, &lnh->addr)) { | |
433 | break; | |
434 | } | |
435 | } | |
436 | ||
437 | if (pLnh) { | |
40381db7 | 438 | listnode_delete(bpi->extra->vnc.export.local_nexthops, |
d62a17ae | 439 | pLnh); |
440 | ||
441 | /* silly rabbit, listnode_delete doesn't invoke | |
442 | * list->del on data */ | |
443 | rfapi_nexthop_free(pLnh); | |
444 | } else { | |
2dbe669b DA |
445 | vnc_zlog_debug_verbose("%s: desired lnh not found %pFX", |
446 | __func__, p); | |
d62a17ae | 447 | } |
448 | goto done; | |
449 | } | |
450 | ||
451 | /* | |
452 | * loop back to import tables | |
453 | * Do this before removing from BGP RIB because rfapiProcessWithdraw | |
454 | * might refer to it | |
455 | */ | |
456 | rfapiProcessWithdraw(peer, rfd, p, prd, NULL, afi, safi, type, kill); | |
457 | ||
40381db7 | 458 | if (bpi) { |
d62a17ae | 459 | vnc_zlog_debug_verbose( |
2dbe669b DA |
460 | "%s: Found route (safi=%d) to delete at prefix %pFX", |
461 | __func__, safi, p); | |
d62a17ae | 462 | |
463 | if (safi == SAFI_MPLS_VPN) { | |
9bcb3eef | 464 | struct bgp_dest *pdest = NULL; |
d62a17ae | 465 | struct bgp_table *table = NULL; |
466 | ||
9bcb3eef DS |
467 | pdest = bgp_node_get(bgp->rib[afi][safi], |
468 | (struct prefix *)prd); | |
469 | table = bgp_dest_get_bgp_table_info(pdest); | |
67009e22 | 470 | if (table) |
d62a17ae | 471 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( |
40381db7 | 472 | bgp, prd, table, p, bpi); |
9bcb3eef | 473 | bgp_dest_unlock_node(pdest); |
d62a17ae | 474 | } |
475 | ||
476 | /* | |
477 | * Delete local_nexthops list | |
478 | */ | |
121e245d | 479 | if (bpi->extra && bpi->extra->vnc.export.local_nexthops) |
40381db7 | 480 | list_delete(&bpi->extra->vnc.export.local_nexthops); |
d62a17ae | 481 | |
40381db7 DS |
482 | bgp_aggregate_decrement(bgp, p, bpi, afi, safi); |
483 | bgp_path_info_delete(bn, bpi); | |
d62a17ae | 484 | bgp_process(bgp, bn, afi, safi); |
485 | } else { | |
486 | vnc_zlog_debug_verbose( | |
2dbe669b DA |
487 | "%s: Couldn't find route (safi=%d) at prefix %pFX", |
488 | __func__, safi, p); | |
d62a17ae | 489 | } |
65efcfce | 490 | done: |
9bcb3eef | 491 | bgp_dest_unlock_node(bn); |
65efcfce LB |
492 | } |
493 | ||
d62a17ae | 494 | struct rfapi_nexthop *rfapi_nexthop_new(struct rfapi_nexthop *copyme) |
65efcfce | 495 | { |
d62a17ae | 496 | struct rfapi_nexthop *new = |
497 | XCALLOC(MTYPE_RFAPI_NEXTHOP, sizeof(struct rfapi_nexthop)); | |
498 | if (copyme) | |
499 | *new = *copyme; | |
500 | return new; | |
65efcfce LB |
501 | } |
502 | ||
d62a17ae | 503 | void rfapi_nexthop_free(void *p) |
65efcfce | 504 | { |
d62a17ae | 505 | struct rfapi_nexthop *goner = p; |
506 | XFREE(MTYPE_RFAPI_NEXTHOP, goner); | |
65efcfce LB |
507 | } |
508 | ||
d62a17ae | 509 | struct rfapi_vn_option *rfapi_vn_options_dup(struct rfapi_vn_option *existing) |
65efcfce | 510 | { |
d62a17ae | 511 | struct rfapi_vn_option *p; |
512 | struct rfapi_vn_option *head = NULL; | |
513 | struct rfapi_vn_option *tail = NULL; | |
514 | ||
515 | for (p = existing; p; p = p->next) { | |
516 | struct rfapi_vn_option *new; | |
517 | ||
518 | new = XCALLOC(MTYPE_RFAPI_VN_OPTION, | |
519 | sizeof(struct rfapi_vn_option)); | |
520 | *new = *p; | |
521 | new->next = NULL; | |
522 | if (tail) | |
523 | (tail)->next = new; | |
524 | tail = new; | |
525 | if (!head) { | |
526 | head = new; | |
527 | } | |
528 | } | |
529 | return head; | |
65efcfce LB |
530 | } |
531 | ||
d62a17ae | 532 | void rfapi_un_options_free(struct rfapi_un_option *p) |
65efcfce | 533 | { |
d62a17ae | 534 | struct rfapi_un_option *next; |
65efcfce | 535 | |
d62a17ae | 536 | while (p) { |
537 | next = p->next; | |
538 | XFREE(MTYPE_RFAPI_UN_OPTION, p); | |
539 | p = next; | |
540 | } | |
65efcfce LB |
541 | } |
542 | ||
d62a17ae | 543 | void rfapi_vn_options_free(struct rfapi_vn_option *p) |
65efcfce | 544 | { |
d62a17ae | 545 | struct rfapi_vn_option *next; |
65efcfce | 546 | |
d62a17ae | 547 | while (p) { |
548 | next = p->next; | |
549 | XFREE(MTYPE_RFAPI_VN_OPTION, p); | |
550 | p = next; | |
551 | } | |
65efcfce LB |
552 | } |
553 | ||
554 | /* Based on bgp_redistribute_add() */ | |
d62a17ae | 555 | void add_vnc_route(struct rfapi_descriptor *rfd, /* cookie, VPN UN addr, peer */ |
5a1ae2c2 | 556 | struct bgp *bgp, int safi, const struct prefix *p, |
d62a17ae | 557 | struct prefix_rd *prd, struct rfapi_ip_addr *nexthop, |
558 | uint32_t *local_pref, | |
559 | uint32_t *lifetime, /* NULL => dont send lifetime */ | |
560 | struct bgp_tea_options *rfp_options, | |
561 | struct rfapi_un_option *options_un, | |
562 | struct rfapi_vn_option *options_vn, | |
563 | struct ecommunity *rt_export_list, /* Copied, not consumed */ | |
564 | uint32_t *med, /* NULL => don't set med */ | |
565 | uint32_t *label, /* low order 3 bytes */ | |
566 | uint8_t type, uint8_t sub_type, /* RFP, NORMAL or REDIST */ | |
567 | int flags) | |
65efcfce | 568 | { |
d62a17ae | 569 | afi_t afi; /* of the VN address */ |
4b7e6066 | 570 | struct bgp_path_info *new; |
40381db7 | 571 | struct bgp_path_info *bpi; |
9bcb3eef | 572 | struct bgp_dest *bn; |
d62a17ae | 573 | |
574 | struct attr attr = {0}; | |
575 | struct attr *new_attr; | |
576 | uint32_t label_val; | |
577 | ||
578 | struct bgp_attr_encap_subtlv *encaptlv; | |
872ed4c7 | 579 | char buf[PREFIX_STRLEN]; |
06b9f471 | 580 | char buf2[RD_ADDRSTRLEN]; |
65efcfce | 581 | |
d62a17ae | 582 | struct rfapi_nexthop *lnh = NULL; /* local nexthop */ |
583 | struct rfapi_vn_option *vo; | |
584 | struct rfapi_l2address_option *l2o = NULL; | |
585 | struct rfapi_ip_addr *un_addr = &rfd->un_addr; | |
65efcfce | 586 | |
d62a17ae | 587 | bgp_encap_types TunnelType = BGP_ENCAP_TYPE_RESERVED; |
588 | struct bgp_redist *red; | |
65efcfce | 589 | |
d62a17ae | 590 | if (safi == SAFI_ENCAP |
591 | && !(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_ADV_UN_METHOD_ENCAP)) { | |
65efcfce | 592 | |
d62a17ae | 593 | /* |
594 | * Encap mode not enabled. UN addresses will be communicated | |
595 | * via VNC Tunnel subtlv instead. | |
596 | */ | |
597 | vnc_zlog_debug_verbose( | |
598 | "%s: encap mode not enabled, not adding SAFI_ENCAP route", | |
599 | __func__); | |
600 | return; | |
601 | } | |
65efcfce | 602 | |
d62a17ae | 603 | for (vo = options_vn; vo; vo = vo->next) { |
604 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { | |
605 | l2o = &vo->v.l2addr; | |
606 | if (RFAPI_0_ETHERADDR(&l2o->macaddr)) | |
607 | l2o = NULL; /* not MAC resolution */ | |
608 | } | |
609 | if (RFAPI_VN_OPTION_TYPE_LOCAL_NEXTHOP == vo->type) { | |
610 | lnh = &vo->v.local_nexthop; | |
611 | } | |
612 | } | |
613 | ||
614 | if (label) | |
615 | label_val = *label; | |
616 | else | |
617 | label_val = MPLS_LABEL_IMPLICIT_NULL; | |
618 | ||
872ed4c7 | 619 | prefix_rd2str(prd, buf2, sizeof(buf2)); |
d62a17ae | 620 | |
621 | afi = family2afi(p->family); | |
622 | assert(afi == AFI_IP || afi == AFI_IP6); | |
623 | ||
624 | vnc_zlog_debug_verbose("%s: afi=%s, safi=%s", __func__, afi2str(afi), | |
625 | safi2str(safi)); | |
626 | ||
627 | /* Make default attribute. Produces already-interned attr.aspath */ | |
628 | /* Cripes, the memory management of attributes is byzantine */ | |
629 | ||
0f05ea43 | 630 | bgp_attr_default_set(&attr, bgp, BGP_ORIGIN_INCOMPLETE); |
d62a17ae | 631 | |
632 | /* | |
633 | * At this point: | |
634 | * attr: static | |
635 | * extra: dynamically allocated, owned by attr | |
636 | * aspath: points to interned hash from aspath hash table | |
637 | */ | |
638 | ||
639 | ||
640 | /* | |
641 | * Route-specific un_options get added to the VPN SAFI | |
642 | * advertisement tunnel encap attribute. (the per-NVE | |
643 | * "default" un_options are put into the 1-per-NVE ENCAP | |
644 | * SAFI advertisement). The VPN SAFI also gets the | |
645 | * default un_options if there are no route-specific options. | |
646 | */ | |
647 | if (options_un) { | |
648 | struct rfapi_un_option *uo; | |
649 | ||
650 | for (uo = options_un; uo; uo = uo->next) { | |
651 | if (RFAPI_UN_OPTION_TYPE_TUNNELTYPE == uo->type) { | |
652 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
653 | bgp, un_addr, &uo->v.tunnel, &attr, | |
654 | l2o != NULL); | |
655 | } | |
656 | } | |
657 | } else { | |
658 | /* | |
659 | * Add encap attr | |
660 | * These are the NVE-specific "default" un_options which are | |
661 | * put into the 1-per-NVE ENCAP advertisement. | |
662 | */ | |
663 | if (rfd->default_tunneltype_option.type) { | |
664 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
665 | bgp, un_addr, &rfd->default_tunneltype_option, | |
666 | &attr, l2o != NULL); | |
667 | } else /* create default for local addse */ | |
668 | if (type == ZEBRA_ROUTE_BGP | |
669 | && sub_type == BGP_ROUTE_RFP) | |
670 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
671 | bgp, un_addr, NULL, &attr, l2o != NULL); | |
672 | } | |
673 | ||
674 | if (TunnelType == BGP_ENCAP_TYPE_MPLS) { | |
675 | if (safi == SAFI_ENCAP) { | |
676 | /* Encap SAFI not used with MPLS */ | |
677 | vnc_zlog_debug_verbose( | |
678 | "%s: mpls tunnel type, encap safi omitted", | |
679 | __func__); | |
680 | aspath_unintern(&attr.aspath); /* Unintern original. */ | |
681 | return; | |
682 | } | |
683 | } | |
684 | ||
685 | if (local_pref) { | |
686 | attr.local_pref = *local_pref; | |
687 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
688 | } | |
689 | ||
690 | if (med) { | |
691 | attr.med = *med; | |
692 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
693 | } | |
694 | ||
695 | /* override default weight assigned by bgp_attr_default_set() */ | |
696 | attr.weight = rfd->peer ? rfd->peer->weight[afi][safi] : 0; | |
697 | ||
698 | /* | |
699 | * NB: ticket 81: do not reset attr.aspath here because it would | |
700 | * cause iBGP peers to drop route | |
701 | */ | |
702 | ||
703 | /* | |
704 | * Set originator ID for routes imported from BGP directly. | |
705 | * These routes could be synthetic, and therefore could | |
706 | * reuse the peer pointers of the routes they are derived | |
707 | * from. Setting the originator ID to "us" prevents the | |
708 | * wrong originator ID from being sent when this route is | |
709 | * sent from a route reflector. | |
710 | */ | |
711 | if (type == ZEBRA_ROUTE_BGP_DIRECT | |
712 | || type == ZEBRA_ROUTE_BGP_DIRECT_EXT) { | |
713 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID); | |
714 | attr.originator_id = bgp->router_id; | |
715 | } | |
716 | ||
717 | ||
718 | /* Set up vnc attribute (sub-tlv for Prefix Lifetime) */ | |
719 | if (lifetime && *lifetime != RFAPI_INFINITE_LIFETIME) { | |
720 | uint32_t lt; | |
721 | ||
996c9314 LB |
722 | encaptlv = XCALLOC(MTYPE_ENCAP_TLV, |
723 | sizeof(struct bgp_attr_encap_subtlv) + 4); | |
d62a17ae | 724 | encaptlv->type = |
725 | BGP_VNC_SUBTLV_TYPE_LIFETIME; /* prefix lifetime */ | |
726 | encaptlv->length = 4; | |
727 | lt = htonl(*lifetime); | |
728 | memcpy(encaptlv->value, <, 4); | |
91ebf12c | 729 | bgp_attr_set_vnc_subtlvs(&attr, encaptlv); |
d62a17ae | 730 | vnc_zlog_debug_verbose( |
731 | "%s: set Encap Attr Prefix Lifetime to %d", __func__, | |
732 | *lifetime); | |
733 | } | |
734 | ||
735 | /* add rfp options to vnc attr */ | |
736 | if (rfp_options) { | |
737 | ||
738 | if (flags & RFAPI_AHR_RFPOPT_IS_VNCTLV) { | |
91ebf12c DS |
739 | struct bgp_attr_encap_subtlv *vnc_subtlvs = |
740 | bgp_attr_get_vnc_subtlvs(&attr); | |
d62a17ae | 741 | /* |
742 | * this flag means we're passing a pointer to an | |
743 | * existing encap tlv chain which we should copy. | |
744 | * It's a hack to avoid adding yet another argument | |
745 | * to add_vnc_route() | |
746 | */ | |
747 | encaptlv = encap_tlv_dup( | |
748 | (struct bgp_attr_encap_subtlv *)rfp_options); | |
91ebf12c DS |
749 | if (vnc_subtlvs) |
750 | vnc_subtlvs->next = encaptlv; | |
751 | else | |
752 | bgp_attr_set_vnc_subtlvs(&attr, encaptlv); | |
d62a17ae | 753 | } else { |
754 | struct bgp_tea_options *hop; | |
755 | /* XXX max of one tlv present so far from above code */ | |
91ebf12c DS |
756 | struct bgp_attr_encap_subtlv *tail = |
757 | bgp_attr_get_vnc_subtlvs(&attr); | |
d62a17ae | 758 | |
759 | for (hop = rfp_options; hop; hop = hop->next) { | |
760 | ||
761 | /* | |
762 | * Construct subtlv | |
763 | */ | |
764 | encaptlv = XCALLOC( | |
765 | MTYPE_ENCAP_TLV, | |
996c9314 LB |
766 | sizeof(struct bgp_attr_encap_subtlv) + 2 |
767 | + hop->length); | |
d62a17ae | 768 | encaptlv->type = |
769 | BGP_VNC_SUBTLV_TYPE_RFPOPTION; /* RFP | |
770 | option | |
771 | */ | |
772 | encaptlv->length = 2 + hop->length; | |
773 | *((uint8_t *)(encaptlv->value) + 0) = hop->type; | |
774 | *((uint8_t *)(encaptlv->value) + 1) = | |
775 | hop->length; | |
776 | memcpy(((uint8_t *)encaptlv->value) + 2, | |
777 | hop->value, hop->length); | |
778 | ||
779 | /* | |
780 | * add to end of subtlv chain | |
781 | */ | |
91ebf12c | 782 | if (tail) |
d62a17ae | 783 | tail->next = encaptlv; |
91ebf12c DS |
784 | else |
785 | bgp_attr_set_vnc_subtlvs(&attr, | |
786 | encaptlv); | |
d62a17ae | 787 | tail = encaptlv; |
788 | } | |
789 | } | |
790 | } | |
791 | ||
792 | /* | |
793 | * At this point: | |
794 | * attr: static | |
795 | * extra: dynamically allocated, owned by attr | |
796 | * vnc_subtlvs: dynamic chain, length 1 | |
797 | * aspath: points to interned hash from aspath hash table | |
798 | */ | |
799 | ||
800 | ||
b53e67a3 DA |
801 | bgp_attr_set_ecommunity(&attr, ecommunity_new()); |
802 | assert(bgp_attr_get_ecommunity(&attr)); | |
d62a17ae | 803 | |
804 | if (TunnelType != BGP_ENCAP_TYPE_MPLS | |
805 | && TunnelType != BGP_ENCAP_TYPE_RESERVED) { | |
806 | /* | |
807 | * Add BGP Encapsulation Extended Community. Format described in | |
808 | * section 4.5 of RFC 5512. | |
809 | * Always include when not MPLS type, to disambiguate this case. | |
810 | */ | |
811 | struct ecommunity_val beec; | |
812 | ||
813 | memset(&beec, 0, sizeof(beec)); | |
814 | beec.val[0] = ECOMMUNITY_ENCODE_OPAQUE; | |
815 | beec.val[1] = ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP; | |
816 | beec.val[6] = ((TunnelType) >> 8) & 0xff; | |
817 | beec.val[7] = (TunnelType)&0xff; | |
b53e67a3 DA |
818 | ecommunity_add_val(bgp_attr_get_ecommunity(&attr), &beec, false, |
819 | false); | |
d62a17ae | 820 | } |
821 | ||
822 | /* | |
823 | * Add extended community attributes to match rt export list | |
824 | */ | |
825 | if (rt_export_list) { | |
b53e67a3 DA |
826 | bgp_attr_set_ecommunity( |
827 | &attr, ecommunity_merge(bgp_attr_get_ecommunity(&attr), | |
828 | rt_export_list)); | |
d62a17ae | 829 | } |
830 | ||
b53e67a3 DA |
831 | struct ecommunity *ecomm = bgp_attr_get_ecommunity(&attr); |
832 | ||
58cf5c08 | 833 | if (!ecomm->size) { |
b53e67a3 DA |
834 | ecommunity_free(&ecomm); |
835 | bgp_attr_set_ecommunity(&attr, NULL); | |
d62a17ae | 836 | } |
b53e67a3 | 837 | vnc_zlog_debug_verbose("%s: attr.ecommunity=%p", __func__, ecomm); |
d62a17ae | 838 | |
839 | ||
840 | /* | |
841 | * At this point: | |
842 | * attr: static | |
843 | * extra: dynamically allocated, owned by attr | |
844 | * vnc_subtlvs: dynamic chain, length 1 | |
845 | * ecommunity: dynamic 2-part | |
846 | * aspath: points to interned hash from aspath hash table | |
847 | */ | |
848 | ||
849 | /* stuff nexthop in attr_extra; which field depends on IPv4 or IPv6 */ | |
850 | switch (nexthop->addr_family) { | |
851 | case AF_INET: | |
852 | /* | |
853 | * set this field to prevent bgp_route.c code from setting | |
854 | * mp_nexthop_global_in to self | |
855 | */ | |
856 | attr.nexthop.s_addr = nexthop->addr.v4.s_addr; | |
857 | ||
858 | attr.mp_nexthop_global_in = nexthop->addr.v4; | |
0606039c | 859 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV4; |
d62a17ae | 860 | break; |
861 | ||
862 | case AF_INET6: | |
863 | attr.mp_nexthop_global = nexthop->addr.v6; | |
0606039c | 864 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; |
d62a17ae | 865 | break; |
866 | ||
867 | default: | |
868 | assert(0); | |
869 | } | |
870 | ||
871 | ||
872ed4c7 | 872 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 873 | |
874 | /* | |
875 | * At this point: | |
876 | * | |
877 | * attr: static | |
878 | * extra: dynamically allocated, owned by attr | |
879 | * vnc_subtlvs: dynamic chain, length 1 | |
880 | * ecommunity: dynamic 2-part | |
881 | * aspath: points to interned hash from aspath hash table | |
882 | */ | |
883 | ||
2fcdb1b2 | 884 | red = bgp_redist_lookup(bgp, afi, type, 0); |
d62a17ae | 885 | |
886 | if (red && red->redist_metric_flag) { | |
887 | attr.med = red->redist_metric; | |
888 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
889 | } | |
890 | ||
891 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
892 | ||
893 | /* | |
894 | * bgp_attr_intern creates a new reference to a cached | |
895 | * attribute, but leaves the following bits of trash: | |
896 | * - old attr | |
897 | * - old attr->extra (free via bgp_attr_extra_free(attr)) | |
898 | * | |
899 | * Note that it frees the original attr->extra->ecommunity | |
900 | * but leaves the new attribute pointing to the ORIGINAL | |
901 | * vnc options (which therefore we needn't free from the | |
902 | * static attr) | |
903 | */ | |
904 | new_attr = bgp_attr_intern(&attr); | |
905 | ||
906 | aspath_unintern(&attr.aspath); /* Unintern original. */ | |
907 | ||
908 | /* | |
909 | * At this point: | |
910 | * | |
911 | * attr: static | |
912 | * extra: dynamically allocated, owned by attr | |
913 | * vnc_subtlvs: dynamic chain, length 1 | |
914 | * ecommunity: POINTS TO INTERNED ecom, THIS REF NOT COUNTED | |
915 | * | |
916 | * new_attr: an attr that is part of the hash table, distinct | |
917 | * from attr which is static. | |
918 | * extra: dynamically allocated, owned by new_attr (in hash table) | |
919 | * vnc_subtlvs: POINTS TO SAME dynamic chain AS attr | |
920 | * ecommunity: POINTS TO interned/refcounted dynamic 2-part AS attr | |
921 | * aspath: POINTS TO interned/refcounted hashed block | |
922 | */ | |
9bcb3eef | 923 | for (bpi = bgp_dest_get_bgp_path_info(bn); bpi; bpi = bpi->next) { |
d62a17ae | 924 | /* probably only need to check |
40381db7 DS |
925 | * bpi->extra->vnc.export.rfapi_handle */ |
926 | if (bpi->peer == rfd->peer && bpi->type == type | |
927 | && bpi->sub_type == sub_type && bpi->extra | |
928 | && bpi->extra->vnc.export.rfapi_handle == (void *)rfd) { | |
d62a17ae | 929 | |
930 | break; | |
931 | } | |
932 | } | |
933 | ||
40381db7 | 934 | if (bpi) { |
d62a17ae | 935 | |
936 | /* | |
937 | * Adding new local_nexthop, which does not by itself change | |
938 | * what is advertised via BGP | |
939 | */ | |
940 | if (lnh) { | |
40381db7 | 941 | if (!bpi->extra->vnc.export.local_nexthops) { |
d62a17ae | 942 | /* TBD make arrangements to free when needed */ |
40381db7 | 943 | bpi->extra->vnc.export.local_nexthops = |
d62a17ae | 944 | list_new(); |
40381db7 | 945 | bpi->extra->vnc.export.local_nexthops->del = |
d62a17ae | 946 | rfapi_nexthop_free; |
947 | } | |
948 | ||
949 | /* | |
950 | * already present? | |
951 | */ | |
952 | struct listnode *node; | |
953 | struct rfapi_nexthop *pLnh = NULL; | |
954 | ||
955 | for (ALL_LIST_ELEMENTS_RO( | |
40381db7 DS |
956 | bpi->extra->vnc.export.local_nexthops, |
957 | node, pLnh)) { | |
d62a17ae | 958 | |
959 | if (prefix_same(&pLnh->addr, &lnh->addr)) { | |
960 | break; | |
961 | } | |
962 | } | |
963 | ||
964 | /* | |
965 | * Not present, add new one | |
966 | */ | |
967 | if (!pLnh) { | |
968 | pLnh = rfapi_nexthop_new(lnh); | |
969 | listnode_add( | |
40381db7 | 970 | bpi->extra->vnc.export.local_nexthops, |
d62a17ae | 971 | pLnh); |
972 | } | |
973 | } | |
974 | ||
40381db7 DS |
975 | if (attrhash_cmp(bpi->attr, new_attr) |
976 | && !CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 977 | bgp_attr_unintern(&new_attr); |
9bcb3eef | 978 | bgp_dest_unlock_node(bn); |
d62a17ae | 979 | |
980 | vnc_zlog_debug_any( | |
981 | "%s: Found route (safi=%d) at prefix %s, no change", | |
982 | __func__, safi, buf); | |
983 | ||
984 | goto done; | |
985 | } else { | |
986 | /* The attribute is changed. */ | |
40381db7 | 987 | bgp_path_info_set_flag(bn, bpi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 988 | |
989 | if (safi == SAFI_MPLS_VPN) { | |
9bcb3eef | 990 | struct bgp_dest *pdest = NULL; |
d62a17ae | 991 | struct bgp_table *table = NULL; |
992 | ||
9bcb3eef DS |
993 | pdest = bgp_node_get(bgp->rib[afi][safi], |
994 | (struct prefix *)prd); | |
995 | table = bgp_dest_get_bgp_table_info(pdest); | |
67009e22 | 996 | if (table) |
d62a17ae | 997 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( |
40381db7 | 998 | bgp, prd, table, p, bpi); |
9bcb3eef | 999 | bgp_dest_unlock_node(pdest); |
d62a17ae | 1000 | } |
1001 | ||
1002 | /* Rewrite BGP route information. */ | |
40381db7 DS |
1003 | if (CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) |
1004 | bgp_path_info_restore(bn, bpi); | |
d62a17ae | 1005 | else |
40381db7 DS |
1006 | bgp_aggregate_decrement(bgp, p, bpi, afi, safi); |
1007 | bgp_attr_unintern(&bpi->attr); | |
1008 | bpi->attr = new_attr; | |
083ec940 | 1009 | bpi->uptime = monotime(NULL); |
d62a17ae | 1010 | |
1011 | ||
1012 | if (safi == SAFI_MPLS_VPN) { | |
9bcb3eef | 1013 | struct bgp_dest *pdest = NULL; |
d62a17ae | 1014 | struct bgp_table *table = NULL; |
1015 | ||
9bcb3eef DS |
1016 | pdest = bgp_node_get(bgp->rib[afi][safi], |
1017 | (struct prefix *)prd); | |
1018 | table = bgp_dest_get_bgp_table_info(pdest); | |
67009e22 | 1019 | if (table) |
d62a17ae | 1020 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( |
40381db7 | 1021 | bgp, prd, table, p, bpi); |
9bcb3eef | 1022 | bgp_dest_unlock_node(pdest); |
d62a17ae | 1023 | } |
1024 | ||
1025 | /* Process change. */ | |
40381db7 | 1026 | bgp_aggregate_increment(bgp, p, bpi, afi, safi); |
d62a17ae | 1027 | bgp_process(bgp, bn, afi, safi); |
9bcb3eef | 1028 | bgp_dest_unlock_node(bn); |
d62a17ae | 1029 | |
1030 | vnc_zlog_debug_any( | |
1031 | "%s: Found route (safi=%d) at prefix %s, changed attr", | |
1032 | __func__, safi, buf); | |
1033 | ||
1034 | goto done; | |
1035 | } | |
1036 | } | |
1037 | ||
9591da26 | 1038 | new = info_make(type, sub_type, 0, rfd->peer, new_attr, NULL); |
1defdda8 | 1039 | SET_FLAG(new->flags, BGP_PATH_VALID); |
d62a17ae | 1040 | |
1041 | /* save backref to rfapi handle */ | |
04fd828f | 1042 | bgp_path_info_extra_get(new); |
d62a17ae | 1043 | new->extra->vnc.export.rfapi_handle = (void *)rfd; |
317f1fe0 | 1044 | encode_label(label_val, &new->extra->label[0]); |
d62a17ae | 1045 | |
1046 | /* debug */ | |
1047 | ||
1048 | if (VNC_DEBUG(VERBOSE)) { | |
6f94b685 | 1049 | vnc_zlog_debug_verbose("%s: printing BPI", __func__); |
d62a17ae | 1050 | rfapiPrintBi(NULL, new); |
1051 | } | |
1052 | ||
1053 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
18ee8310 | 1054 | bgp_path_info_add(bn, new); |
d62a17ae | 1055 | |
1056 | if (safi == SAFI_MPLS_VPN) { | |
9bcb3eef | 1057 | struct bgp_dest *pdest = NULL; |
d62a17ae | 1058 | struct bgp_table *table = NULL; |
1059 | ||
9bcb3eef DS |
1060 | pdest = bgp_node_get(bgp->rib[afi][safi], (struct prefix *)prd); |
1061 | table = bgp_dest_get_bgp_table_info(pdest); | |
67009e22 | 1062 | if (table) |
d62a17ae | 1063 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( |
1064 | bgp, prd, table, p, new); | |
9bcb3eef | 1065 | bgp_dest_unlock_node(pdest); |
d62a17ae | 1066 | encode_label(label_val, &bn->local_label); |
1067 | } | |
1068 | ||
9bcb3eef | 1069 | bgp_dest_unlock_node(bn); |
d62a17ae | 1070 | bgp_process(bgp, bn, afi, safi); |
1071 | ||
1072 | vnc_zlog_debug_any( | |
1073 | "%s: Added route (safi=%s) at prefix %s (bn=%p, prd=%s)", | |
1074 | __func__, safi2str(safi), buf, bn, buf2); | |
65efcfce LB |
1075 | |
1076 | done: | |
d62a17ae | 1077 | /* Loop back to import tables */ |
1078 | rfapiProcessUpdate(rfd->peer, rfd, p, prd, new_attr, afi, safi, type, | |
1079 | sub_type, &label_val); | |
1080 | vnc_zlog_debug_verbose("%s: looped back import route (safi=%d)", | |
1081 | __func__, safi); | |
65efcfce LB |
1082 | } |
1083 | ||
d62a17ae | 1084 | uint32_t rfp_cost_to_localpref(uint8_t cost) |
65efcfce | 1085 | { |
d62a17ae | 1086 | return 255 - cost; |
65efcfce LB |
1087 | } |
1088 | ||
d62a17ae | 1089 | static void rfapiTunnelRouteAnnounce(struct bgp *bgp, |
1090 | struct rfapi_descriptor *rfd, | |
1091 | uint32_t *pLifetime) | |
65efcfce | 1092 | { |
d62a17ae | 1093 | struct prefix_rd prd; |
1094 | struct prefix pfx_vn; | |
1095 | int rc; | |
1096 | uint32_t local_pref = rfp_cost_to_localpref(0); | |
1097 | ||
1098 | rc = rfapiRaddr2Qprefix(&(rfd->vn_addr), &pfx_vn); | |
1099 | assert(!rc); | |
1100 | ||
1101 | /* | |
1102 | * Construct route distinguisher = 0 | |
1103 | */ | |
1104 | memset(&prd, 0, sizeof(prd)); | |
1105 | prd.family = AF_UNSPEC; | |
1106 | prd.prefixlen = 64; | |
1107 | ||
1108 | add_vnc_route(rfd, /* rfapi descr, for export list & backref */ | |
1109 | bgp, /* which bgp instance */ | |
1110 | SAFI_ENCAP, /* which SAFI */ | |
1111 | &pfx_vn, /* prefix to advertise */ | |
1112 | &prd, /* route distinguisher to use */ | |
1113 | &rfd->un_addr, /* nexthop */ | |
1114 | &local_pref, | |
1115 | pLifetime, /* max lifetime of child VPN routes */ | |
1116 | NULL, /* no rfp options for ENCAP safi */ | |
1117 | NULL, /* rfp un options */ | |
1118 | NULL, /* rfp vn options */ | |
1119 | rfd->rt_export_list, NULL, /* med */ | |
1120 | NULL, /* label: default */ | |
1121 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
65efcfce LB |
1122 | } |
1123 | ||
1124 | ||
1125 | /*********************************************************************** | |
1126 | * RFP processing behavior configuration | |
1127 | ***********************************************************************/ | |
1128 | ||
1129 | /*------------------------------------------ | |
1130 | * rfapi_rfp_set_configuration | |
1131 | * | |
d62a17ae | 1132 | * This is used to change rfapi's processing behavior based on |
1133 | * RFP requirements. | |
65efcfce | 1134 | * |
d62a17ae | 1135 | * input: |
65efcfce LB |
1136 | * rfp_start_val value returned by rfp_start |
1137 | * rfapi_rfp_cfg Pointer to configuration structure | |
1138 | * | |
1139 | * output: | |
1140 | * none | |
1141 | * | |
d62a17ae | 1142 | * return value: |
65efcfce LB |
1143 | * 0 Success |
1144 | * ENXIO Unabled to locate configured BGP/VNC | |
1145 | --------------------------------------------*/ | |
d62a17ae | 1146 | int rfapi_rfp_set_configuration(void *rfp_start_val, struct rfapi_rfp_cfg *new) |
65efcfce | 1147 | { |
d62a17ae | 1148 | struct rfapi_rfp_cfg *rcfg; |
1149 | struct bgp *bgp; | |
1150 | ||
1151 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1152 | ||
1153 | if (!new || !bgp || !bgp->rfapi_cfg) | |
1154 | return ENXIO; | |
1155 | ||
1156 | rcfg = &bgp->rfapi_cfg->rfp_cfg; | |
1157 | rcfg->download_type = new->download_type; | |
1158 | rcfg->ftd_advertisement_interval = new->ftd_advertisement_interval; | |
1159 | rcfg->holddown_factor = new->holddown_factor; | |
1160 | ||
1161 | if (rcfg->use_updated_response != new->use_updated_response) { | |
1162 | rcfg->use_updated_response = new->use_updated_response; | |
1163 | if (rcfg->use_updated_response) | |
1164 | rfapiMonitorCallbacksOn(bgp); | |
1165 | else | |
1166 | rfapiMonitorCallbacksOff(bgp); | |
1167 | } | |
1168 | if (rcfg->use_removes != new->use_removes) { | |
1169 | rcfg->use_removes = new->use_removes; | |
1170 | if (rcfg->use_removes) | |
1171 | rfapiMonitorResponseRemovalOn(bgp); | |
1172 | else | |
1173 | rfapiMonitorResponseRemovalOff(bgp); | |
1174 | } | |
1175 | return 0; | |
65efcfce LB |
1176 | } |
1177 | ||
1178 | /*------------------------------------------ | |
1179 | * rfapi_rfp_set_cb_methods | |
1180 | * | |
d62a17ae | 1181 | * Change registered callback functions for asynchronous notifications |
65efcfce LB |
1182 | * from RFAPI to the RFP client. |
1183 | * | |
d62a17ae | 1184 | * input: |
65efcfce LB |
1185 | * rfp_start_val value returned by rfp_start |
1186 | * methods Pointer to struct rfapi_rfp_cb_methods containing | |
1187 | * pointers to callback methods as described above | |
1188 | * | |
d62a17ae | 1189 | * return value: |
65efcfce LB |
1190 | * 0 Success |
1191 | * ENXIO BGP or VNC not configured | |
1192 | *------------------------------------------*/ | |
d62a17ae | 1193 | int rfapi_rfp_set_cb_methods(void *rfp_start_val, |
1194 | struct rfapi_rfp_cb_methods *methods) | |
65efcfce | 1195 | { |
d62a17ae | 1196 | struct rfapi *h; |
1197 | struct bgp *bgp; | |
65efcfce | 1198 | |
d62a17ae | 1199 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
1200 | if (!bgp) | |
1201 | return ENXIO; | |
65efcfce | 1202 | |
d62a17ae | 1203 | h = bgp->rfapi; |
1204 | if (!h) | |
1205 | return ENXIO; | |
65efcfce | 1206 | |
d62a17ae | 1207 | h->rfp_methods = *methods; |
65efcfce | 1208 | |
d62a17ae | 1209 | return 0; |
65efcfce LB |
1210 | } |
1211 | ||
1212 | /*********************************************************************** | |
1213 | * NVE Sessions | |
1214 | ***********************************************************************/ | |
65efcfce LB |
1215 | /* |
1216 | * Caller must supply an already-allocated rfd with the "caller" | |
1217 | * fields already set (vn_addr, un_addr, callback, cookie) | |
1218 | * The advertised_prefixes[] array elements should be NULL to | |
1219 | * have this function set them to newly-allocated radix trees. | |
1220 | */ | |
d62a17ae | 1221 | static int rfapi_open_inner(struct rfapi_descriptor *rfd, struct bgp *bgp, |
1222 | struct rfapi *h, struct rfapi_nve_group_cfg *rfg) | |
65efcfce | 1223 | { |
d62a17ae | 1224 | int ret; |
1225 | ||
1226 | if (h->flags & RFAPI_INCALLBACK) | |
1227 | return EDEADLK; | |
1228 | ||
1229 | /* | |
1230 | * Fill in configured fields | |
1231 | */ | |
1232 | ||
1233 | /* | |
1234 | * If group's RD is specified as "auto", then fill in based | |
1235 | * on NVE's VN address | |
1236 | */ | |
1237 | rfd->rd = rfg->rd; | |
1238 | ||
1239 | if (rfd->rd.family == AF_UNIX) { | |
1240 | ret = rfapi_set_autord_from_vn(&rfd->rd, &rfd->vn_addr); | |
1241 | if (ret != 0) | |
1242 | return ret; | |
1243 | } | |
1244 | rfd->rt_export_list = (rfg->rt_export_list) | |
1245 | ? ecommunity_dup(rfg->rt_export_list) | |
1246 | : NULL; | |
1247 | rfd->response_lifetime = rfg->response_lifetime; | |
1248 | rfd->rfg = rfg; | |
1249 | ||
1250 | /* | |
1251 | * Fill in BGP peer structure | |
1252 | */ | |
1253 | rfd->peer = peer_new(bgp); | |
1254 | rfd->peer->status = Established; /* keep bgp core happy */ | |
1255 | bgp_sync_delete(rfd->peer); /* don't need these */ | |
424ab01d | 1256 | |
becedef6 QY |
1257 | /* |
1258 | * since this peer is not on the I/O thread, this lock is not strictly | |
1259 | * necessary, but serves as a reminder to those who may meddle... | |
1260 | */ | |
cb1991af | 1261 | frr_with_mutex (&rfd->peer->io_mtx) { |
424ab01d QY |
1262 | // we don't need any I/O related facilities |
1263 | if (rfd->peer->ibuf) | |
1264 | stream_fifo_free(rfd->peer->ibuf); | |
1265 | if (rfd->peer->obuf) | |
1266 | stream_fifo_free(rfd->peer->obuf); | |
1267 | ||
1268 | if (rfd->peer->ibuf_work) | |
74ffbfe6 | 1269 | ringbuf_del(rfd->peer->ibuf_work); |
424ab01d QY |
1270 | if (rfd->peer->obuf_work) |
1271 | stream_free(rfd->peer->obuf_work); | |
1272 | ||
d62a17ae | 1273 | rfd->peer->ibuf = NULL; |
d62a17ae | 1274 | rfd->peer->obuf = NULL; |
424ab01d QY |
1275 | rfd->peer->obuf_work = NULL; |
1276 | rfd->peer->ibuf_work = NULL; | |
d62a17ae | 1277 | } |
424ab01d | 1278 | |
d62a17ae | 1279 | { /* base code assumes have valid host pointer */ |
1280 | char buf[BUFSIZ]; | |
1281 | buf[0] = 0; | |
1282 | ||
1283 | if (rfd->vn_addr.addr_family == AF_INET) { | |
1284 | inet_ntop(AF_INET, &rfd->vn_addr.addr.v4, buf, BUFSIZ); | |
1285 | } else if (rfd->vn_addr.addr_family == AF_INET6) { | |
1286 | inet_ntop(AF_INET6, &rfd->vn_addr.addr.v6, buf, BUFSIZ); | |
1287 | } | |
1288 | rfd->peer->host = XSTRDUP(MTYPE_BGP_PEER_HOST, buf); | |
1289 | } | |
1290 | /* Mark peer as belonging to HD */ | |
1291 | SET_FLAG(rfd->peer->flags, PEER_FLAG_IS_RFAPI_HD); | |
1292 | ||
1293 | /* | |
1294 | * Set min prefix lifetime to max value so it will get set | |
1295 | * upon first rfapi_register() | |
1296 | */ | |
1297 | rfd->min_prefix_lifetime = UINT32_MAX; | |
65efcfce | 1298 | |
d62a17ae | 1299 | /* |
1300 | * Allocate response tables if needed | |
1301 | */ | |
1302 | #define RFD_RTINIT_AFI(rh, ary, afi) \ | |
1303 | do { \ | |
1304 | if (!ary[afi]) { \ | |
fe08ba7e DS |
1305 | ary[afi] = agg_table_init(); \ |
1306 | agg_set_table_info(ary[afi], rh); \ | |
d62a17ae | 1307 | } \ |
1308 | } while (0) | |
1309 | ||
1310 | #define RFD_RTINIT(rh, ary) \ | |
1311 | do { \ | |
1312 | RFD_RTINIT_AFI(rh, ary, AFI_IP); \ | |
1313 | RFD_RTINIT_AFI(rh, ary, AFI_IP6); \ | |
1314 | RFD_RTINIT_AFI(rh, ary, AFI_L2VPN); \ | |
1315 | } while (0) | |
1316 | ||
1317 | RFD_RTINIT(rfd, rfd->rib); | |
1318 | RFD_RTINIT(rfd, rfd->rib_pending); | |
1319 | RFD_RTINIT(rfd, rfd->rsp_times); | |
1320 | ||
1321 | /* | |
1322 | * Link to Import Table | |
1323 | */ | |
1324 | rfd->import_table = rfg->rfapi_import_table; | |
1325 | rfd->import_table->refcount += 1; | |
1326 | ||
1327 | rfapiApInit(&rfd->advertised); | |
1328 | ||
1329 | /* | |
1330 | * add this NVE descriptor to the list of NVEs in the NVE group | |
1331 | */ | |
1332 | if (!rfg->nves) { | |
1333 | rfg->nves = list_new(); | |
1334 | } | |
1335 | listnode_add(rfg->nves, rfd); | |
1336 | ||
1337 | vnc_direct_bgp_add_nve(bgp, rfd); | |
1338 | vnc_zebra_add_nve(bgp, rfd); | |
1339 | ||
1340 | return 0; | |
1341 | } | |
65efcfce | 1342 | |
d62a17ae | 1343 | /* moved from rfapi_register */ |
1344 | int rfapi_init_and_open(struct bgp *bgp, struct rfapi_descriptor *rfd, | |
1345 | struct rfapi_nve_group_cfg *rfg) | |
1346 | { | |
1347 | struct rfapi *h = bgp->rfapi; | |
1348 | char buf_vn[BUFSIZ]; | |
1349 | char buf_un[BUFSIZ]; | |
1350 | afi_t afi_vn, afi_un; | |
1351 | struct prefix pfx_un; | |
fe08ba7e | 1352 | struct agg_node *rn; |
d62a17ae | 1353 | |
98b7e975 | 1354 | rfd->open_time = monotime(NULL); |
d62a17ae | 1355 | |
1356 | if (rfg->type == RFAPI_GROUP_CFG_VRF) | |
1357 | SET_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF); | |
1358 | ||
1359 | rfapiRfapiIpAddr2Str(&rfd->vn_addr, buf_vn, BUFSIZ); | |
1360 | rfapiRfapiIpAddr2Str(&rfd->un_addr, buf_un, BUFSIZ); | |
1361 | ||
1362 | vnc_zlog_debug_verbose("%s: new RFD with VN=%s UN=%s cookie=%p", | |
1363 | __func__, buf_vn, buf_un, rfd->cookie); | |
1364 | ||
1365 | if (rfg->type != RFAPI_GROUP_CFG_VRF) /* unclear if needed for VRF */ | |
1366 | { | |
1367 | listnode_add(&h->descriptors, rfd); | |
1368 | if (h->descriptors.count > h->stat.max_descriptors) { | |
1369 | h->stat.max_descriptors = h->descriptors.count; | |
1370 | } | |
1371 | ||
1372 | /* | |
1373 | * attach to UN radix tree | |
1374 | */ | |
1375 | afi_vn = family2afi(rfd->vn_addr.addr_family); | |
1376 | afi_un = family2afi(rfd->un_addr.addr_family); | |
1377 | assert(afi_vn && afi_un); | |
1378 | assert(!rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un)); | |
1379 | ||
fe08ba7e | 1380 | rn = agg_node_get(h->un[afi_un], &pfx_un); |
d62a17ae | 1381 | assert(rn); |
1382 | rfd->next = rn->info; | |
1383 | rn->info = rfd; | |
1384 | rfd->un_node = rn; | |
1385 | } | |
1386 | return rfapi_open_inner(rfd, bgp, h, rfg); | |
1387 | } | |
65efcfce | 1388 | |
d62a17ae | 1389 | struct rfapi_vn_option *rfapiVnOptionsDup(struct rfapi_vn_option *orig) |
1390 | { | |
1391 | struct rfapi_vn_option *head = NULL; | |
1392 | struct rfapi_vn_option *tail = NULL; | |
1393 | struct rfapi_vn_option *vo = NULL; | |
1394 | ||
1395 | for (vo = orig; vo; vo = vo->next) { | |
1396 | struct rfapi_vn_option *new; | |
1397 | ||
1398 | new = XCALLOC(MTYPE_RFAPI_VN_OPTION, | |
1399 | sizeof(struct rfapi_vn_option)); | |
1400 | memcpy(new, vo, sizeof(struct rfapi_vn_option)); | |
1401 | new->next = NULL; | |
1402 | ||
1403 | if (tail) { | |
1404 | tail->next = new; | |
1405 | } else { | |
1406 | head = tail = new; | |
1407 | } | |
1408 | } | |
1409 | return head; | |
1410 | } | |
65efcfce | 1411 | |
d62a17ae | 1412 | struct rfapi_un_option *rfapiUnOptionsDup(struct rfapi_un_option *orig) |
1413 | { | |
1414 | struct rfapi_un_option *head = NULL; | |
1415 | struct rfapi_un_option *tail = NULL; | |
1416 | struct rfapi_un_option *uo = NULL; | |
1417 | ||
1418 | for (uo = orig; uo; uo = uo->next) { | |
1419 | struct rfapi_un_option *new; | |
1420 | ||
1421 | new = XCALLOC(MTYPE_RFAPI_UN_OPTION, | |
1422 | sizeof(struct rfapi_un_option)); | |
1423 | memcpy(new, uo, sizeof(struct rfapi_un_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 bgp_tea_options *rfapiOptionsDup(struct bgp_tea_options *orig) |
5ff06872 | 1436 | { |
d62a17ae | 1437 | struct bgp_tea_options *head = NULL; |
1438 | struct bgp_tea_options *tail = NULL; | |
1439 | struct bgp_tea_options *hop = NULL; | |
1440 | ||
1441 | for (hop = orig; hop; hop = hop->next) { | |
1442 | struct bgp_tea_options *new; | |
1443 | ||
1444 | new = XCALLOC(MTYPE_BGP_TEA_OPTIONS, | |
1445 | sizeof(struct bgp_tea_options)); | |
1446 | memcpy(new, hop, sizeof(struct bgp_tea_options)); | |
1447 | new->next = NULL; | |
1448 | if (hop->value) { | |
1449 | new->value = XCALLOC(MTYPE_BGP_TEA_OPTIONS_VALUE, | |
1450 | hop->length); | |
1451 | memcpy(new->value, hop->value, hop->length); | |
1452 | } | |
1453 | if (tail) { | |
1454 | tail->next = new; | |
1455 | } else { | |
1456 | head = tail = new; | |
1457 | } | |
1458 | } | |
1459 | return head; | |
5ff06872 LB |
1460 | } |
1461 | ||
d62a17ae | 1462 | void rfapiFreeBgpTeaOptionChain(struct bgp_tea_options *p) |
65efcfce | 1463 | { |
d62a17ae | 1464 | struct bgp_tea_options *next; |
65efcfce | 1465 | |
d62a17ae | 1466 | while (p) { |
1467 | next = p->next; | |
65efcfce | 1468 | |
e1b36e13 | 1469 | XFREE(MTYPE_BGP_TEA_OPTIONS_VALUE, p->value); |
d62a17ae | 1470 | XFREE(MTYPE_BGP_TEA_OPTIONS, p); |
65efcfce | 1471 | |
d62a17ae | 1472 | p = next; |
1473 | } | |
65efcfce LB |
1474 | } |
1475 | ||
d62a17ae | 1476 | void rfapiAdbFree(struct rfapi_adb *adb) |
65efcfce | 1477 | { |
d62a17ae | 1478 | XFREE(MTYPE_RFAPI_ADB, adb); |
65efcfce LB |
1479 | } |
1480 | ||
1481 | static int | |
d62a17ae | 1482 | rfapi_query_inner(void *handle, struct rfapi_ip_addr *target, |
1483 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
1484 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 1485 | { |
d62a17ae | 1486 | afi_t afi; |
1487 | struct prefix p; | |
1488 | struct prefix p_original; | |
fe08ba7e | 1489 | struct agg_node *rn; |
d62a17ae | 1490 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
1491 | struct bgp *bgp = rfd->bgp; | |
1492 | struct rfapi_next_hop_entry *pNHE = NULL; | |
1493 | struct rfapi_ip_addr *self_vn_addr = NULL; | |
1494 | int eth_is_0 = 0; | |
1495 | int use_eth_resolution = 0; | |
1496 | struct rfapi_next_hop_entry *i_nhe; | |
1497 | ||
1498 | /* preemptive */ | |
1499 | if (!bgp) { | |
1500 | vnc_zlog_debug_verbose("%s: No BGP instance, returning ENXIO", | |
1501 | __func__); | |
1502 | return ENXIO; | |
1503 | } | |
1504 | if (!bgp->rfapi) { | |
1505 | vnc_zlog_debug_verbose("%s: No RFAPI instance, returning ENXIO", | |
1506 | __func__); | |
1507 | return ENXIO; | |
1508 | } | |
1509 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
1510 | vnc_zlog_debug_verbose( | |
1511 | "%s: Called during calback, returning EDEADLK", | |
1512 | __func__); | |
1513 | return EDEADLK; | |
1514 | } | |
1515 | ||
1516 | if (!is_valid_rfd(rfd)) { | |
1517 | vnc_zlog_debug_verbose("%s: invalid handle, returning EBADF", | |
1518 | __func__); | |
1519 | return EBADF; | |
1520 | } | |
1521 | ||
1522 | rfd->rsp_counter++; /* dedup: identify this generation */ | |
98b7e975 | 1523 | rfd->rsp_time = monotime(NULL); /* response content dedup */ |
d62a17ae | 1524 | rfd->ftd_last_allowed_time = |
083ec940 DS |
1525 | monotime(NULL) - |
1526 | bgp->rfapi_cfg->rfp_cfg.ftd_advertisement_interval; | |
d62a17ae | 1527 | |
1528 | if (l2o) { | |
1529 | if (!memcmp(l2o->macaddr.octet, rfapi_ethaddr0.octet, | |
28328ea9 | 1530 | ETH_ALEN)) { |
d62a17ae | 1531 | eth_is_0 = 1; |
1532 | } | |
1533 | /* per t/c Paul/Lou 151022 */ | |
1534 | if (!eth_is_0 || l2o->logical_net_id) { | |
1535 | use_eth_resolution = 1; | |
1536 | } | |
1537 | } | |
1538 | ||
1539 | if (ppNextHopEntry) | |
1540 | *ppNextHopEntry = NULL; | |
1541 | ||
1542 | /* | |
1543 | * Save original target in prefix form. In case of L2-based queries, | |
1544 | * p_original will be modified to reflect the L2 target | |
1545 | */ | |
1546 | assert(!rfapiRaddr2Qprefix(target, &p_original)); | |
1547 | ||
1548 | if (bgp->rfapi_cfg->rfp_cfg.download_type == RFAPI_RFP_DOWNLOAD_FULL) { | |
1549 | /* convert query to 0/0 when full-table download is enabled */ | |
1550 | memset((char *)&p, 0, sizeof(p)); | |
1551 | p.family = target->addr_family; | |
1552 | } else { | |
1553 | p = p_original; | |
1554 | } | |
1555 | ||
1556 | { | |
d62a17ae | 1557 | char *s; |
1558 | ||
2dbe669b DA |
1559 | vnc_zlog_debug_verbose("%s(rfd=%p, target=%pFX, ppNextHop=%p)", |
1560 | __func__, rfd, &p, ppNextHopEntry); | |
d62a17ae | 1561 | |
1562 | s = ecommunity_ecom2str(rfd->import_table->rt_import_list, | |
1563 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
1564 | vnc_zlog_debug_verbose( | |
1565 | "%s rfd->import_table=%p, rfd->import_table->rt_import_list: %s", | |
1566 | __func__, rfd->import_table, s); | |
1567 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
1568 | } | |
1569 | ||
1570 | afi = family2afi(p.family); | |
1571 | assert(afi); | |
1572 | ||
1573 | if (CHECK_FLAG(bgp->rfapi_cfg->flags, | |
1574 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP)) { | |
1575 | self_vn_addr = &rfd->vn_addr; | |
1576 | } | |
1577 | ||
1578 | if (use_eth_resolution) { | |
1579 | uint32_t logical_net_id = l2o->logical_net_id; | |
1580 | struct ecommunity *l2com; | |
1581 | ||
1582 | /* | |
1583 | * fix up p_original to contain L2 address | |
1584 | */ | |
1585 | rfapiL2o2Qprefix(l2o, &p_original); | |
1586 | ||
1587 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
1588 | bgp, 1, logical_net_id, l2o->label); | |
1589 | if (l2com) { | |
1590 | uint8_t *v = l2com->val; | |
1591 | logical_net_id = (v[5] << 16) + (v[6] << 8) + (v[7]); | |
1592 | } | |
1593 | /* | |
1594 | * Ethernet/L2-based lookup | |
1595 | * | |
1596 | * Always returns IT node corresponding to route | |
1597 | */ | |
1598 | ||
1599 | if (RFAPI_RFP_DOWNLOAD_FULL | |
1600 | == bgp->rfapi_cfg->rfp_cfg.download_type) { | |
1601 | eth_is_0 = 1; | |
1602 | } | |
1603 | ||
1604 | rn = rfapiMonitorEthAdd( | |
1605 | bgp, rfd, (eth_is_0 ? &rfapi_ethaddr0 : &l2o->macaddr), | |
1606 | logical_net_id); | |
1607 | ||
1608 | if (eth_is_0) { | |
1609 | struct rfapi_ip_prefix rprefix; | |
1610 | ||
1611 | memset(&rprefix, 0, sizeof(rprefix)); | |
1612 | rprefix.prefix.addr_family = target->addr_family; | |
1613 | if (target->addr_family == AF_INET) { | |
12256b84 | 1614 | rprefix.length = IPV4_MAX_BITLEN; |
d62a17ae | 1615 | } else { |
13ccce6e | 1616 | rprefix.length = IPV6_MAX_BITLEN; |
d62a17ae | 1617 | } |
1618 | ||
1619 | pNHE = rfapiEthRouteTable2NextHopList( | |
1620 | logical_net_id, &rprefix, | |
1621 | rfd->response_lifetime, self_vn_addr, | |
1622 | rfd->rib[afi], &p_original); | |
1623 | goto done; | |
1624 | } | |
1625 | ||
1626 | } else { | |
1627 | ||
1628 | /* | |
1629 | * IP-based lookup | |
1630 | */ | |
1631 | ||
1632 | rn = rfapiMonitorAdd(bgp, rfd, &p); | |
1633 | ||
1634 | /* | |
1635 | * If target address is 0, this request is special: means to | |
1636 | * return ALL routes in the table | |
1637 | * | |
1638 | * Monitors for All-Routes queries get put on a special list, | |
1639 | * not in the VPN tree | |
1640 | */ | |
1641 | if (RFAPI_0_PREFIX(&p)) { | |
1642 | ||
1643 | vnc_zlog_debug_verbose("%s: 0-prefix", __func__); | |
1644 | ||
1645 | /* | |
1646 | * Generate nexthop list for caller | |
1647 | */ | |
1648 | pNHE = rfapiRouteTable2NextHopList( | |
1649 | rfd->import_table->imported_vpn[afi], | |
1650 | rfd->response_lifetime, self_vn_addr, | |
1651 | rfd->rib[afi], &p_original); | |
1652 | goto done; | |
1653 | } | |
1654 | ||
1655 | if (rn) { | |
fe08ba7e | 1656 | agg_lock_node(rn); /* so we can unlock below */ |
d62a17ae | 1657 | } else { |
1658 | /* | |
1659 | * returns locked node. Don't unlock yet because the | |
1660 | * unlock | |
1661 | * might free it before we're done with it. This | |
1662 | * situation | |
1663 | * could occur when rfapiMonitorGetAttachNode() returns | |
1664 | * a | |
1665 | * newly-created default node. | |
1666 | */ | |
1667 | rn = rfapiMonitorGetAttachNode(rfd, &p); | |
1668 | } | |
1669 | } | |
1670 | ||
1671 | assert(rn); | |
1672 | if (!rn->info) { | |
fe08ba7e | 1673 | agg_unlock_node(rn); |
d62a17ae | 1674 | vnc_zlog_debug_verbose( |
1675 | "%s: VPN route not found, returning ENOENT", __func__); | |
1676 | return ENOENT; | |
1677 | } | |
1678 | ||
1679 | if (VNC_DEBUG(RFAPI_QUERY)) { | |
1680 | rfapiShowImportTable(NULL, "query", | |
1681 | rfd->import_table->imported_vpn[afi], 1); | |
1682 | } | |
1683 | ||
1684 | if (use_eth_resolution) { | |
1685 | ||
1686 | struct rfapi_ip_prefix rprefix; | |
1687 | ||
1688 | memset(&rprefix, 0, sizeof(rprefix)); | |
1689 | rprefix.prefix.addr_family = target->addr_family; | |
1690 | if (target->addr_family == AF_INET) { | |
12256b84 | 1691 | rprefix.length = IPV4_MAX_BITLEN; |
d62a17ae | 1692 | } else { |
13ccce6e | 1693 | rprefix.length = IPV6_MAX_BITLEN; |
d62a17ae | 1694 | } |
1695 | ||
1696 | pNHE = rfapiEthRouteNode2NextHopList( | |
1697 | rn, &rprefix, rfd->response_lifetime, self_vn_addr, | |
1698 | rfd->rib[afi], &p_original); | |
1699 | ||
1700 | ||
1701 | } else { | |
1702 | /* | |
1703 | * Generate answer to query | |
1704 | */ | |
1705 | pNHE = rfapiRouteNode2NextHopList(rn, rfd->response_lifetime, | |
1706 | self_vn_addr, rfd->rib[afi], | |
1707 | &p_original); | |
1708 | } | |
1709 | ||
fe08ba7e | 1710 | agg_unlock_node(rn); |
65efcfce LB |
1711 | |
1712 | done: | |
d62a17ae | 1713 | if (ppNextHopEntry) { |
1714 | /* only count if caller gets it */ | |
1715 | ++bgp->rfapi->response_immediate_count; | |
1716 | } | |
1717 | ||
1718 | if (!pNHE) { | |
1719 | vnc_zlog_debug_verbose("%s: NO NHEs, returning ENOENT", | |
1720 | __func__); | |
1721 | return ENOENT; | |
1722 | } | |
1723 | ||
1724 | /* | |
1725 | * count nexthops for statistics | |
1726 | */ | |
1727 | for (i_nhe = pNHE; i_nhe; i_nhe = i_nhe->next) { | |
1728 | ++rfd->stat_count_nh_reachable; | |
1729 | } | |
1730 | ||
1731 | if (ppNextHopEntry) { | |
1732 | *ppNextHopEntry = pNHE; | |
1733 | } else { | |
1734 | rfapi_free_next_hop_list(pNHE); | |
1735 | } | |
1736 | ||
1737 | vnc_zlog_debug_verbose("%s: success", __func__); | |
1738 | return 0; | |
65efcfce LB |
1739 | } |
1740 | ||
1741 | /* | |
1742 | * support on-the-fly reassignment of an already-open nve to a new | |
1743 | * nve-group in the event that its original nve-group is | |
1744 | * administratively deleted. | |
1745 | */ | |
d62a17ae | 1746 | static int rfapi_open_rfd(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 1747 | { |
d62a17ae | 1748 | struct prefix pfx_vn; |
1749 | struct prefix pfx_un; | |
1750 | struct rfapi_nve_group_cfg *rfg; | |
1751 | struct rfapi *h; | |
1752 | struct rfapi_cfg *hc; | |
1753 | int rc; | |
1754 | ||
1755 | h = bgp->rfapi; | |
1756 | if (!h) | |
1757 | return ENXIO; | |
1758 | ||
1759 | hc = bgp->rfapi_cfg; | |
1760 | if (!hc) | |
1761 | return ENXIO; | |
1762 | ||
1763 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
1764 | assert(!rc); | |
1765 | ||
1766 | rc = rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un); | |
1767 | assert(!rc); | |
1768 | ||
1769 | /* | |
1770 | * Find the matching nve group config block | |
1771 | */ | |
1772 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1773 | if (!rfg) { | |
1774 | return ENOENT; | |
1775 | } | |
1776 | ||
1777 | /* | |
1778 | * check nve group config block for required values | |
1779 | */ | |
1780 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1781 | ||
1782 | return ENOMSG; | |
1783 | } | |
1784 | ||
1785 | rc = rfapi_open_inner(rfd, bgp, h, rfg); | |
1786 | if (rc) { | |
1787 | return rc; | |
1788 | } | |
1789 | ||
1790 | /* | |
1791 | * re-advertise registered routes, this time as part of new NVE-group | |
1792 | */ | |
1793 | rfapiApReadvertiseAll(bgp, rfd); | |
1794 | ||
1795 | /* | |
1796 | * re-attach callbacks to import table | |
1797 | */ | |
1798 | if (!(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_CALLBACK_DISABLE)) { | |
1799 | rfapiMonitorAttachImportHd(rfd); | |
1800 | } | |
1801 | ||
1802 | return 0; | |
65efcfce LB |
1803 | } |
1804 | ||
1805 | /*------------------------------------------ | |
1806 | * rfapi_open | |
1807 | * | |
1808 | * This function initializes a NVE record and associates it with | |
1809 | * the specified VN and underlay network addresses | |
1810 | * | |
d62a17ae | 1811 | * input: |
65efcfce LB |
1812 | * rfp_start_val value returned by rfp_start |
1813 | * vn NVE virtual network address | |
1814 | * | |
1815 | * un NVE underlay network address | |
1816 | * | |
1817 | * default_options Default options to use on registrations. | |
1818 | * For now only tunnel type is supported. | |
1819 | * May be overridden per-prefix in rfapi_register(). | |
1820 | * Caller owns (rfapi_open() does not free) | |
1821 | * | |
1822 | * response_cb Pointer to next hop list update callback function or | |
1823 | * NULL when no callbacks are desired. | |
1824 | * | |
1825 | * userdata Passed to subsequent response_cb invocations. | |
1826 | * | |
1827 | * output: | |
1828 | * response_lifetime The length of time that responses sent to this | |
d62a17ae | 1829 | * NVE are valid. |
65efcfce LB |
1830 | * |
1831 | * pHandle pointer to location to store rfapi handle. The | |
1832 | * handle must be passed on subsequent rfapi_ calls. | |
1833 | * | |
1834 | * | |
d62a17ae | 1835 | * return value: |
65efcfce LB |
1836 | * 0 Success |
1837 | * EEXIST NVE with this {vn,un} already open | |
1838 | * ENOENT No matching nve group config | |
1839 | * ENOMSG Matched nve group config was incomplete | |
1840 | * ENXIO BGP or VNC not configured | |
1841 | * EAFNOSUPPORT Matched nve group specifies auto-assignment of RD, | |
1842 | * but underlay network address is not IPv4 | |
1843 | * EDEADLK Called from within a callback procedure | |
1844 | *------------------------------------------*/ | |
d62a17ae | 1845 | int rfapi_open(void *rfp_start_val, struct rfapi_ip_addr *vn, |
1846 | struct rfapi_ip_addr *un, | |
1847 | struct rfapi_un_option *default_options, | |
1848 | uint32_t *response_lifetime, | |
1849 | void *userdata, /* callback cookie */ | |
1850 | rfapi_handle *pHandle) | |
65efcfce | 1851 | { |
d62a17ae | 1852 | struct bgp *bgp; |
1853 | struct rfapi *h; | |
1854 | struct rfapi_descriptor *rfd; | |
1855 | struct rfapi_cfg *hc; | |
1856 | struct rfapi_nve_group_cfg *rfg; | |
1857 | ||
1858 | struct prefix pfx_vn; | |
1859 | struct prefix pfx_un; | |
1860 | ||
1861 | int rc; | |
1862 | rfapi_handle hh = NULL; | |
1863 | int reusing_provisional = 0; | |
1864 | ||
1865 | { | |
1866 | char buf[2][INET_ADDRSTRLEN]; | |
1867 | vnc_zlog_debug_verbose( | |
1868 | "%s: VN=%s UN=%s", __func__, | |
1869 | rfapiRfapiIpAddr2Str(vn, buf[0], INET_ADDRSTRLEN), | |
1870 | rfapiRfapiIpAddr2Str(un, buf[1], INET_ADDRSTRLEN)); | |
1871 | } | |
1872 | ||
1873 | assert(pHandle); | |
1874 | *pHandle = NULL; | |
1875 | ||
1876 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1877 | if (!bgp) | |
1878 | return ENXIO; | |
1879 | ||
1880 | h = bgp->rfapi; | |
1881 | if (!h) | |
1882 | return ENXIO; | |
1883 | ||
1884 | hc = bgp->rfapi_cfg; | |
1885 | if (!hc) | |
1886 | return ENXIO; | |
1887 | ||
1888 | if (h->flags & RFAPI_INCALLBACK) | |
1889 | return EDEADLK; | |
1890 | ||
1891 | rc = rfapiRaddr2Qprefix(vn, &pfx_vn); | |
1892 | assert(!rc); | |
1893 | ||
1894 | rc = rfapiRaddr2Qprefix(un, &pfx_un); | |
1895 | assert(!rc); | |
1896 | ||
1897 | /* | |
1898 | * already have a descriptor with VN and UN? | |
1899 | */ | |
1900 | if (!rfapi_find_handle(bgp, vn, un, &hh)) { | |
1901 | /* | |
1902 | * we might have set up a handle for static routes before | |
1903 | * this NVE was opened. In that case, reuse the handle | |
1904 | */ | |
1905 | rfd = hh; | |
1906 | if (!CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_PROVISIONAL)) { | |
1907 | return EEXIST; | |
1908 | } | |
1909 | ||
1910 | /* | |
1911 | * reuse provisional descriptor | |
1912 | * hh is not NULL | |
1913 | */ | |
1914 | reusing_provisional = 1; | |
1915 | } | |
1916 | ||
1917 | /* | |
1918 | * Find the matching nve group config block | |
1919 | */ | |
1920 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1921 | if (!rfg) { | |
1922 | ++h->stat.count_unknown_nves; | |
1923 | { | |
1924 | char buf[2][INET_ADDRSTRLEN]; | |
1925 | zlog_notice("%s: no matching group VN=%s UN=%s", | |
1926 | __func__, | |
1927 | rfapiRfapiIpAddr2Str(vn, buf[0], | |
1928 | INET_ADDRSTRLEN), | |
1929 | rfapiRfapiIpAddr2Str(un, buf[1], | |
1930 | INET_ADDRSTRLEN)); | |
1931 | } | |
1932 | return ENOENT; | |
1933 | } | |
1934 | ||
1935 | /* | |
1936 | * check nve group config block for required values | |
1937 | */ | |
1938 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1939 | ||
1940 | ++h->stat.count_unknown_nves; | |
1941 | return ENOMSG; | |
1942 | } | |
1943 | ||
1944 | /* | |
1945 | * If group config specifies auto-rd assignment, check that | |
1946 | * VN address is IPv4|v6 so we don't fail in rfapi_open_inner(). | |
1947 | * Check here so we don't need to unwind memory allocations, &c. | |
1948 | */ | |
1949 | if ((rfg->rd.family == AF_UNIX) && (vn->addr_family != AF_INET) | |
1950 | && (vn->addr_family != AF_INET6)) { | |
1951 | return EAFNOSUPPORT; | |
1952 | } | |
1953 | ||
1954 | if (hh) { | |
1955 | /* | |
1956 | * reusing provisional rfd | |
1957 | */ | |
1958 | rfd = hh; | |
1959 | } else { | |
1960 | rfd = XCALLOC(MTYPE_RFAPI_DESC, | |
1961 | sizeof(struct rfapi_descriptor)); | |
1962 | } | |
d62a17ae | 1963 | |
1964 | rfd->bgp = bgp; | |
1965 | if (default_options) { | |
1966 | struct rfapi_un_option *p; | |
1967 | ||
1968 | for (p = default_options; p; p = p->next) { | |
1969 | if ((RFAPI_UN_OPTION_TYPE_PROVISIONAL == p->type)) { | |
1970 | rfd->flags |= RFAPI_HD_FLAG_PROVISIONAL; | |
1971 | } | |
1972 | if ((RFAPI_UN_OPTION_TYPE_TUNNELTYPE == p->type)) { | |
1973 | rfd->default_tunneltype_option = p->v.tunnel; | |
1974 | } | |
1975 | } | |
1976 | } | |
1977 | ||
1978 | /* | |
1979 | * Fill in caller fields | |
1980 | */ | |
1981 | rfd->vn_addr = *vn; | |
1982 | rfd->un_addr = *un; | |
1983 | rfd->cookie = userdata; | |
1984 | ||
1985 | if (!reusing_provisional) { | |
1986 | rc = rfapi_init_and_open(bgp, rfd, rfg); | |
1987 | /* | |
1988 | * This can fail only if the VN address is IPv6 and the group | |
1989 | * specified auto-assignment of RDs, which only works for v4, | |
1990 | * and the check above should catch it. | |
1991 | * | |
1992 | * Another failure possibility is that we were called | |
1993 | * during an rfapi callback. Also checked above. | |
1994 | */ | |
1995 | assert(!rc); | |
1996 | } | |
1997 | ||
1998 | if (response_lifetime) | |
1999 | *response_lifetime = rfd->response_lifetime; | |
2000 | *pHandle = rfd; | |
2001 | return 0; | |
65efcfce LB |
2002 | } |
2003 | ||
2004 | /* | |
2005 | * For use with debug functions | |
2006 | */ | |
d62a17ae | 2007 | static int rfapi_set_response_cb(struct rfapi_descriptor *rfd, |
2008 | rfapi_response_cb_t *response_cb) | |
65efcfce | 2009 | { |
d62a17ae | 2010 | if (!is_valid_rfd(rfd)) |
2011 | return EBADF; | |
2012 | rfd->response_cb = response_cb; | |
2013 | return 0; | |
65efcfce LB |
2014 | } |
2015 | ||
2016 | /* | |
d62a17ae | 2017 | * rfapi_close_inner |
2018 | * | |
2019 | * Does almost all the work of rfapi_close, except: | |
2020 | * 1. preserves the descriptor (doesn't free it) | |
2021 | * 2. preserves the prefix query list (i.e., rfd->mon list) | |
2022 | * 3. preserves the advertised prefix list (rfd->advertised) | |
2023 | * 4. preserves the rib and rib_pending tables | |
2024 | * | |
2025 | * The purpose of organizing it this way is to support on-the-fly | |
2026 | * reassignment of an already-open nve to a new nve-group in the | |
2027 | * event that its original nve-group is administratively deleted. | |
2028 | */ | |
2029 | static int rfapi_close_inner(struct rfapi_descriptor *rfd, struct bgp *bgp) | |
2030 | { | |
2031 | int rc; | |
2032 | struct prefix pfx_vn; | |
2033 | struct prefix_rd prd; /* currently always 0 for VN->UN */ | |
2034 | ||
2035 | if (!is_valid_rfd(rfd)) | |
2036 | return EBADF; | |
2037 | ||
2038 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
2039 | assert(!rc); /* should never have bad AF in stored vn address */ | |
2040 | ||
2041 | /* | |
2042 | * update exported routes to reflect disappearance of this NVE as | |
2043 | * nexthop | |
2044 | */ | |
2045 | vnc_direct_bgp_del_nve(bgp, rfd); | |
2046 | vnc_zebra_del_nve(bgp, rfd); | |
2047 | ||
2048 | /* | |
2049 | * unlink this HD's monitors from import table | |
2050 | */ | |
2051 | rfapiMonitorDetachImportHd(rfd); | |
2052 | ||
2053 | /* | |
2054 | * Unlink from Import Table | |
2055 | * NB rfd->import_table will be NULL if we are closing a stale | |
2056 | * descriptor | |
2057 | */ | |
2058 | if (rfd->import_table) | |
2059 | rfapiImportTableRefDelByIt(bgp, rfd->import_table); | |
2060 | rfd->import_table = NULL; | |
2061 | ||
2062 | /* | |
2063 | * Construct route distinguisher | |
2064 | */ | |
2065 | memset(&prd, 0, sizeof(prd)); | |
2066 | prd = rfd->rd; | |
2067 | prd.family = AF_UNSPEC; | |
2068 | prd.prefixlen = 64; | |
2069 | ||
2070 | /* | |
2071 | * withdraw tunnel | |
2072 | */ | |
2073 | del_vnc_route(rfd, rfd->peer, bgp, SAFI_ENCAP, | |
2074 | &pfx_vn, /* prefix being advertised */ | |
2075 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2076 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, 0); /* no kill */ | |
2077 | ||
2078 | /* | |
2079 | * Construct route distinguisher for VPN routes | |
2080 | */ | |
2081 | prd = rfd->rd; | |
2082 | prd.family = AF_UNSPEC; | |
2083 | prd.prefixlen = 64; | |
2084 | ||
2085 | /* | |
2086 | * find all VPN routes associated with this rfd and delete them, too | |
2087 | */ | |
2088 | rfapiApWithdrawAll(bgp, rfd); | |
2089 | ||
2090 | /* | |
2091 | * remove this nve descriptor from the list of nves | |
2092 | * associated with the nve group | |
2093 | */ | |
2094 | if (rfd->rfg) { | |
2095 | listnode_delete(rfd->rfg->nves, rfd); | |
2096 | rfd->rfg = NULL; /* XXX mark as orphaned/stale */ | |
2097 | } | |
2098 | ||
2099 | if (rfd->rt_export_list) | |
2100 | ecommunity_free(&rfd->rt_export_list); | |
2101 | rfd->rt_export_list = NULL; | |
2102 | ||
2103 | /* | |
2104 | * free peer structure (possibly delayed until its | |
2105 | * refcount reaches zero) | |
2106 | */ | |
2107 | if (rfd->peer) { | |
2108 | vnc_zlog_debug_verbose("%s: calling peer_delete(%p), #%d", | |
2109 | __func__, rfd->peer, rfd->peer->lock); | |
2110 | peer_delete(rfd->peer); | |
2111 | } | |
2112 | rfd->peer = NULL; | |
2113 | ||
2114 | return 0; | |
65efcfce LB |
2115 | } |
2116 | ||
d62a17ae | 2117 | int rfapi_close(void *handle) |
65efcfce | 2118 | { |
d62a17ae | 2119 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2120 | int rc; | |
fe08ba7e | 2121 | struct agg_node *node; |
d62a17ae | 2122 | struct bgp *bgp; |
2123 | struct rfapi *h; | |
65efcfce | 2124 | |
d62a17ae | 2125 | vnc_zlog_debug_verbose("%s: rfd=%p", __func__, rfd); |
65efcfce | 2126 | |
1e20238a | 2127 | #ifdef RFAPI_WHO_IS_CALLING_ME |
65efcfce LB |
2128 | #ifdef HAVE_GLIBC_BACKTRACE |
2129 | #define RFAPI_DEBUG_BACKTRACE_NENTRIES 5 | |
d62a17ae | 2130 | { |
2131 | void *buf[RFAPI_DEBUG_BACKTRACE_NENTRIES]; | |
2132 | char **syms; | |
2133 | int i; | |
2134 | size_t size; | |
2135 | ||
2136 | size = backtrace(buf, RFAPI_DEBUG_BACKTRACE_NENTRIES); | |
2137 | syms = backtrace_symbols(buf, size); | |
2138 | for (i = 0; i < size && i < RFAPI_DEBUG_BACKTRACE_NENTRIES; | |
2139 | ++i) { | |
2140 | vnc_zlog_debug_verbose("backtrace[%2d]: %s", i, | |
2141 | syms[i]); | |
2142 | } | |
2143 | free(syms); | |
2144 | } | |
65efcfce LB |
2145 | #endif |
2146 | #endif | |
2147 | ||
d62a17ae | 2148 | bgp = rfd->bgp; |
2149 | if (!bgp) | |
2150 | return ENXIO; | |
2151 | ||
2152 | h = bgp->rfapi; | |
2153 | if (!h) | |
2154 | return ENXIO; | |
2155 | ||
2156 | if (!is_valid_rfd(rfd)) | |
2157 | return EBADF; | |
2158 | ||
2159 | if (h->flags & RFAPI_INCALLBACK) { | |
2160 | /* | |
2161 | * Queue these close requests for processing after callback | |
2162 | * is finished | |
2163 | */ | |
2164 | if (!CHECK_FLAG(rfd->flags, | |
2165 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2166 | work_queue_add(h->deferred_close_q, handle); | |
2167 | vnc_zlog_debug_verbose( | |
2168 | "%s: added handle %p to deferred close queue", | |
2169 | __func__, handle); | |
2170 | } | |
2171 | return 0; | |
2172 | } | |
2173 | ||
2174 | if (CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2175 | ||
2176 | vnc_zlog_debug_verbose("%s administrative close rfd=%p", | |
2177 | __func__, rfd); | |
2178 | ||
6198b694 | 2179 | if (h->rfp_methods.close_cb) { |
d62a17ae | 2180 | vnc_zlog_debug_verbose( |
2181 | "%s calling close callback rfd=%p", __func__, | |
2182 | rfd); | |
2183 | ||
2184 | /* | |
2185 | * call the callback fairly early so that it can still | |
2186 | * lookup un/vn | |
2187 | * from handle, etc. | |
2188 | * | |
2189 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2190 | * this point | |
2191 | * we are not already in the context of a callback. | |
2192 | */ | |
2193 | h->flags |= RFAPI_INCALLBACK; | |
2194 | (*h->rfp_methods.close_cb)(handle, EIDRM); | |
2195 | h->flags &= ~RFAPI_INCALLBACK; | |
2196 | } | |
2197 | } | |
2198 | ||
2199 | if (rfd->rfg) { | |
2200 | /* | |
2201 | * Orphaned descriptors have already done this part, so do | |
2202 | * only for non-orphaned descriptors. | |
2203 | */ | |
2204 | if ((rc = rfapi_close_inner(rfd, bgp))) | |
2205 | return rc; | |
2206 | } | |
2207 | ||
2208 | /* | |
2209 | * Remove descriptor from UN index | |
2210 | * (remove from chain at node) | |
2211 | */ | |
2212 | rc = rfapi_find_node(bgp, &rfd->vn_addr, &rfd->un_addr, &node); | |
2213 | if (!rc) { | |
2214 | struct rfapi_descriptor *hh; | |
2215 | ||
2216 | if (node->info == rfd) { | |
2217 | node->info = rfd->next; | |
2218 | } else { | |
2219 | ||
2220 | for (hh = node->info; hh; hh = hh->next) { | |
2221 | if (hh->next == rfd) { | |
2222 | hh->next = rfd->next; | |
2223 | break; | |
2224 | } | |
2225 | } | |
2226 | } | |
fe08ba7e | 2227 | agg_unlock_node(node); |
d62a17ae | 2228 | } |
2229 | ||
2230 | /* | |
2231 | * remove from descriptor list | |
2232 | */ | |
2233 | listnode_delete(&h->descriptors, rfd); | |
2234 | ||
2235 | /* | |
2236 | * Delete monitor list items and free monitor structures | |
2237 | */ | |
2238 | (void)rfapiMonitorDelHd(rfd); | |
2239 | ||
2240 | /* | |
2241 | * release advertised prefix data | |
2242 | */ | |
2243 | rfapiApRelease(&rfd->advertised); | |
2244 | ||
2245 | /* | |
2246 | * Release RFP callback RIB | |
2247 | */ | |
2248 | rfapiRibFree(rfd); | |
2249 | ||
2250 | /* | |
2251 | * free descriptor | |
2252 | */ | |
2253 | memset(rfd, 0, sizeof(struct rfapi_descriptor)); | |
2254 | XFREE(MTYPE_RFAPI_DESC, rfd); | |
2255 | ||
2256 | return 0; | |
65efcfce LB |
2257 | } |
2258 | ||
2259 | /* | |
2260 | * Reopen a nve descriptor. If the descriptor's NVE-group | |
2261 | * does not exist (e.g., if it has been administratively removed), | |
2262 | * reassignment to a new NVE-group is attempted. | |
2263 | * | |
2264 | * If NVE-group reassignment fails, the descriptor becomes "stale" | |
2265 | * (rfd->rfg == NULL implies "stale:). The only permissible API operation | |
2266 | * on a stale descriptor is rfapi_close(). Any other rfapi_* API operation | |
2267 | * on the descriptor will return ESTALE. | |
2268 | * | |
2269 | * Reopening a descriptor is a potentially expensive operation, because | |
2270 | * it involves withdrawing any routes advertised by the NVE, withdrawing | |
2271 | * the NVE's route queries, and then re-adding them all after a new | |
2272 | * NVE-group is assigned. There are also possible route-export affects | |
2273 | * caused by deleting and then adding the NVE: advertised prefixes | |
2274 | * and nexthop lists for exported routes can turn over. | |
2275 | */ | |
d62a17ae | 2276 | int rfapi_reopen(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 2277 | { |
d62a17ae | 2278 | struct rfapi *h; |
2279 | int rc; | |
2280 | ||
2281 | if ((rc = rfapi_close_inner(rfd, bgp))) { | |
2282 | return rc; | |
2283 | } | |
2284 | if ((rc = rfapi_open_rfd(rfd, bgp))) { | |
2285 | ||
2286 | h = bgp->rfapi; | |
2287 | ||
b575a12c | 2288 | assert(h != NULL && !CHECK_FLAG(h->flags, RFAPI_INCALLBACK)); |
d62a17ae | 2289 | |
2290 | if (CHECK_FLAG(rfd->flags, | |
2291 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY) | |
2292 | && h && h->rfp_methods.close_cb) { | |
2293 | ||
2294 | /* | |
2295 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2296 | * this point | |
2297 | * we are not already in the context of a callback. | |
2298 | */ | |
2299 | h->flags |= RFAPI_INCALLBACK; | |
2300 | (*h->rfp_methods.close_cb)((rfapi_handle)rfd, ESTALE); | |
2301 | h->flags &= ~RFAPI_INCALLBACK; | |
2302 | } | |
2303 | return rc; | |
2304 | } | |
2305 | return 0; | |
65efcfce LB |
2306 | } |
2307 | ||
2308 | /*********************************************************************** | |
2309 | * NVE Routes | |
2310 | ***********************************************************************/ | |
d62a17ae | 2311 | /* |
65efcfce LB |
2312 | * Announce reachability to this prefix via the NVE |
2313 | */ | |
d62a17ae | 2314 | int rfapi_register(void *handle, struct rfapi_ip_prefix *prefix, |
2315 | uint32_t lifetime, /* host byte order */ | |
2316 | struct rfapi_un_option *options_un, | |
2317 | struct rfapi_vn_option *options_vn, | |
2318 | rfapi_register_action action) | |
65efcfce | 2319 | { |
d62a17ae | 2320 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2321 | struct bgp *bgp; | |
2322 | struct prefix p; | |
2323 | struct prefix *pfx_ip = NULL; | |
2324 | struct prefix_rd prd; | |
e7038dde | 2325 | afi_t afi; |
d62a17ae | 2326 | struct prefix pfx_mac_buf; |
2327 | struct prefix *pfx_mac = NULL; | |
2328 | struct prefix pfx_vn_buf; | |
2329 | const char *action_str = NULL; | |
2330 | uint32_t *label = NULL; | |
2331 | struct rfapi_vn_option *vo; | |
2332 | struct rfapi_l2address_option *l2o = NULL; | |
2333 | struct prefix_rd *prd_override = NULL; | |
2334 | ||
2335 | switch (action) { | |
2336 | case RFAPI_REGISTER_ADD: | |
2337 | action_str = "add"; | |
2338 | break; | |
2339 | case RFAPI_REGISTER_WITHDRAW: | |
2340 | action_str = "withdraw"; | |
2341 | break; | |
2342 | case RFAPI_REGISTER_KILL: | |
2343 | action_str = "kill"; | |
2344 | break; | |
2345 | default: | |
2346 | assert(0); | |
2347 | break; | |
2348 | } | |
2349 | ||
2350 | /* | |
2351 | * Inspect VN options | |
2352 | */ | |
2353 | for (vo = options_vn; vo; vo = vo->next) { | |
2354 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { | |
2355 | l2o = &vo->v.l2addr; | |
2356 | } | |
2357 | if (RFAPI_VN_OPTION_TYPE_INTERNAL_RD == vo->type) { | |
2358 | prd_override = &vo->v.internal_rd; | |
2359 | } | |
2360 | } | |
2361 | ||
2362 | /********************************************************************* | |
2363 | * advertise prefix | |
2364 | *********************************************************************/ | |
2365 | ||
2366 | /* | |
2367 | * set <p> based on <prefix> | |
2368 | */ | |
2369 | assert(!rfapiRprefix2Qprefix(prefix, &p)); | |
2370 | ||
2371 | afi = family2afi(prefix->prefix.addr_family); | |
2372 | assert(afi); | |
2373 | ||
2dbe669b DA |
2374 | vnc_zlog_debug_verbose( |
2375 | "%s(rfd=%p, pfx=%pFX, lifetime=%d, opts_un=%p, opts_vn=%p, action=%s)", | |
2376 | __func__, rfd, &p, lifetime, options_un, options_vn, | |
2377 | action_str); | |
d62a17ae | 2378 | |
2379 | /* | |
2380 | * These tests come after the prefix conversion so that we can | |
2381 | * print the prefix in a debug message before failing | |
2382 | */ | |
2383 | ||
2384 | bgp = rfd->bgp; | |
2385 | if (!bgp) { | |
2386 | vnc_zlog_debug_verbose("%s: no BGP instance: returning ENXIO", | |
2387 | __func__); | |
2388 | return ENXIO; | |
2389 | } | |
2390 | if (!bgp->rfapi) { | |
2391 | vnc_zlog_debug_verbose("%s: no RFAPI instance: returning ENXIO", | |
2392 | __func__); | |
2393 | return ENXIO; | |
2394 | } | |
2395 | if (!rfd->rfg) { | |
2396 | if (RFAPI_REGISTER_ADD == action) { | |
2397 | ++bgp->rfapi->stat.count_registrations_failed; | |
2398 | } | |
2399 | vnc_zlog_debug_verbose( | |
2400 | "%s: rfd=%p, no RF GRP instance: returning ESTALE", | |
2401 | __func__, rfd); | |
2402 | return ESTALE; | |
2403 | } | |
2404 | ||
2405 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
2406 | if (RFAPI_REGISTER_ADD == action) { | |
2407 | ++bgp->rfapi->stat.count_registrations_failed; | |
2408 | } | |
2409 | vnc_zlog_debug_verbose("%s: in callback: returning EDEADLK", | |
2410 | __func__); | |
2411 | return EDEADLK; | |
2412 | } | |
2413 | ||
2414 | if (!is_valid_rfd(rfd)) { | |
2415 | if (RFAPI_REGISTER_ADD == action) { | |
2416 | ++bgp->rfapi->stat.count_registrations_failed; | |
2417 | } | |
2418 | vnc_zlog_debug_verbose("%s: invalid handle: returning EBADF", | |
2419 | __func__); | |
2420 | return EBADF; | |
2421 | } | |
2422 | ||
2423 | /* | |
2424 | * Is there a MAC address in this registration? | |
2425 | */ | |
2426 | if (l2o && !RFAPI_0_ETHERADDR(&l2o->macaddr)) { | |
2427 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2428 | pfx_mac = &pfx_mac_buf; | |
2429 | } | |
2430 | ||
2431 | /* | |
2432 | * Is there an IP prefix in this registration? | |
2433 | */ | |
2434 | if (!(RFAPI_0_PREFIX(&p) && RFAPI_HOST_PREFIX(&p))) { | |
2435 | pfx_ip = &p; | |
2436 | } else { | |
2437 | if (!pfx_mac) { | |
2438 | vnc_zlog_debug_verbose( | |
2439 | "%s: missing mac addr that is required for host 0 pfx", | |
2440 | __func__); | |
2441 | if (RFAPI_REGISTER_ADD == action) { | |
2442 | ++bgp->rfapi->stat.count_registrations_failed; | |
2443 | } | |
2444 | return EINVAL; | |
2445 | } | |
2446 | if (rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn_buf)) { | |
2447 | vnc_zlog_debug_verbose( | |
2448 | "%s: handle has bad vn_addr: returning EBADF", | |
2449 | __func__); | |
2450 | if (RFAPI_REGISTER_ADD == action) { | |
2451 | ++bgp->rfapi->stat.count_registrations_failed; | |
2452 | } | |
2453 | return EBADF; | |
2454 | } | |
2455 | } | |
2456 | ||
2457 | if (RFAPI_REGISTER_ADD == action) { | |
2458 | ++bgp->rfapi->stat.count_registrations; | |
2459 | } | |
2460 | ||
2461 | /* | |
2462 | * Figure out if this registration is missing an IP address | |
2463 | * | |
2464 | * MAC-addr based: | |
2465 | * | |
2466 | * In RFAPI, we use prefixes in family AF_LINK to store | |
2467 | * the MAC addresses. These prefixes are used for the | |
2468 | * list of advertised prefixes and in the RFAPI import | |
2469 | * tables. | |
2470 | * | |
2471 | * In BGP proper, we use the prefix matching the NVE's | |
2472 | * VN address with a host prefix-length (i.e., 32 or 128). | |
2473 | * | |
2474 | */ | |
2475 | if (l2o && l2o->logical_net_id && RFAPI_0_PREFIX(&p) | |
2476 | && RFAPI_HOST_PREFIX(&p)) { | |
2477 | ||
2478 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2479 | pfx_mac = &pfx_mac_buf; | |
2480 | } | |
2481 | ||
2482 | /* | |
2483 | * Construct route distinguisher | |
2484 | */ | |
2485 | if (prd_override) { | |
2486 | prd = *prd_override; | |
2487 | } else { | |
2488 | memset(&prd, 0, sizeof(prd)); | |
2489 | if (pfx_mac) { | |
2490 | prd.family = AF_UNSPEC; | |
2491 | prd.prefixlen = 64; | |
2492 | encode_rd_type(RD_TYPE_VNC_ETH, prd.val); | |
2493 | if (l2o->local_nve_id | |
2494 | || !(rfd->rfg->flags & RFAPI_RFG_L2RD)) { | |
2495 | /* | |
2496 | * If Local NVE ID is specified in message, use | |
2497 | * it. | |
2498 | * (if no local default configured, also use it | |
2499 | * even if 0) | |
2500 | */ | |
2501 | prd.val[1] = l2o->local_nve_id; | |
2502 | } else { | |
2503 | if (rfd->rfg->l2rd) { | |
2504 | /* | |
2505 | * locally-configured literal value | |
2506 | */ | |
2507 | prd.val[1] = rfd->rfg->l2rd; | |
2508 | } else { | |
2509 | /* | |
2510 | * 0 means auto:vn, which means use LSB | |
2511 | * of VN addr | |
2512 | */ | |
2513 | if (rfd->vn_addr.addr_family | |
2514 | == AF_INET) { | |
2515 | prd.val[1] = | |
2516 | *(((char *)&rfd->vn_addr | |
2517 | .addr.v4 | |
2518 | .s_addr) | |
2519 | + 3); | |
2520 | } else { | |
2521 | prd.val[1] = | |
2522 | *(((char *)&rfd->vn_addr | |
2523 | .addr.v6 | |
2524 | .s6_addr) | |
2525 | + 15); | |
2526 | } | |
2527 | } | |
2528 | } | |
2529 | memcpy(prd.val + 2, pfx_mac->u.prefix_eth.octet, 6); | |
2530 | } else { | |
2531 | prd = rfd->rd; | |
2532 | prd.family = AF_UNSPEC; | |
2533 | prd.prefixlen = 64; | |
2534 | } | |
2535 | } | |
2536 | ||
2537 | ||
2538 | if (action == RFAPI_REGISTER_WITHDRAW | |
2539 | || action == RFAPI_REGISTER_KILL) { | |
2540 | ||
2541 | int adv_tunnel = 0; | |
2542 | ||
2543 | /* | |
2544 | * withdraw previous advertisement | |
2545 | */ | |
2546 | del_vnc_route( | |
2547 | rfd, rfd->peer, bgp, SAFI_MPLS_VPN, | |
2548 | pfx_ip ? pfx_ip | |
2549 | : &pfx_vn_buf, /* prefix being advertised */ | |
2550 | &prd, /* route distinguisher (0 for ENCAP) */ | |
2551 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, | |
2552 | action == RFAPI_REGISTER_KILL); | |
2553 | ||
9d303b37 DL |
2554 | if (0 == rfapiApDelete(bgp, rfd, &p, pfx_mac, &prd, |
2555 | &adv_tunnel)) { | |
d62a17ae | 2556 | if (adv_tunnel) |
2557 | rfapiTunnelRouteAnnounce( | |
2558 | bgp, rfd, &rfd->max_prefix_lifetime); | |
2559 | } | |
2560 | ||
2561 | } else { | |
2562 | ||
2563 | int adv_tunnel = 0; | |
2564 | uint32_t local_pref; | |
2565 | struct ecommunity *rtlist = NULL; | |
2566 | struct ecommunity_val ecom_value; | |
2567 | ||
2568 | if (!rfapiApCount(rfd)) { | |
2569 | /* | |
2570 | * make sure we advertise tunnel route upon adding the | |
2571 | * first VPN route | |
2572 | */ | |
2573 | adv_tunnel = 1; | |
2574 | } | |
2575 | ||
2576 | if (rfapiApAdd(bgp, rfd, &p, pfx_mac, &prd, lifetime, | |
2577 | prefix->cost, l2o)) { | |
2578 | adv_tunnel = 1; | |
2579 | } | |
2580 | ||
2581 | vnc_zlog_debug_verbose("%s: adv_tunnel = %d", __func__, | |
2582 | adv_tunnel); | |
2583 | if (adv_tunnel) { | |
2584 | vnc_zlog_debug_verbose("%s: announcing tunnel route", | |
2585 | __func__); | |
2586 | rfapiTunnelRouteAnnounce(bgp, rfd, | |
2587 | &rfd->max_prefix_lifetime); | |
2588 | } | |
2589 | ||
2590 | vnc_zlog_debug_verbose("%s: calling add_vnc_route", __func__); | |
2591 | ||
2592 | local_pref = rfp_cost_to_localpref(prefix->cost); | |
2593 | ||
2594 | if (l2o && l2o->label) | |
2595 | label = &l2o->label; | |
2596 | ||
2597 | if (pfx_mac) { | |
2598 | struct ecommunity *l2com = NULL; | |
2599 | ||
2600 | if (label) { | |
2601 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
2602 | bgp, 1, l2o->logical_net_id, *label); | |
2603 | } | |
2604 | if (l2com) { | |
2605 | rtlist = ecommunity_dup(l2com); | |
2606 | } else { | |
2607 | /* | |
2608 | * If mac address is set, add an RT based on the | |
2609 | * registered LNI | |
2610 | */ | |
2611 | memset((char *)&ecom_value, 0, | |
2612 | sizeof(ecom_value)); | |
2613 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2614 | ecom_value.val[5] = | |
2615 | (l2o->logical_net_id >> 16) & 0xff; | |
2616 | ecom_value.val[6] = | |
2617 | (l2o->logical_net_id >> 8) & 0xff; | |
2618 | ecom_value.val[7] = | |
2619 | (l2o->logical_net_id >> 0) & 0xff; | |
2620 | rtlist = ecommunity_new(); | |
1207a5bc | 2621 | ecommunity_add_val(rtlist, &ecom_value, |
2622 | false, false); | |
d62a17ae | 2623 | } |
2624 | if (l2o->tag_id) { | |
2625 | as_t as = bgp->as; | |
2626 | uint16_t val = l2o->tag_id; | |
2627 | memset((char *)&ecom_value, 0, | |
2628 | sizeof(ecom_value)); | |
2629 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2630 | if (as > BGP_AS_MAX) { | |
2631 | ecom_value.val[0] = | |
2632 | ECOMMUNITY_ENCODE_AS4; | |
2633 | ecom_value.val[2] = (as >> 24) & 0xff; | |
2634 | ecom_value.val[3] = (as >> 16) & 0xff; | |
2635 | ecom_value.val[4] = (as >> 8) & 0xff; | |
2636 | ecom_value.val[5] = as & 0xff; | |
2637 | } else { | |
2638 | ecom_value.val[0] = | |
2639 | ECOMMUNITY_ENCODE_AS; | |
2640 | ecom_value.val[2] = (as >> 8) & 0xff; | |
2641 | ecom_value.val[3] = as & 0xff; | |
2642 | } | |
2643 | ecom_value.val[6] = (val >> 8) & 0xff; | |
2644 | ecom_value.val[7] = val & 0xff; | |
2645 | if (rtlist == NULL) | |
2646 | rtlist = ecommunity_new(); | |
1207a5bc | 2647 | ecommunity_add_val(rtlist, &ecom_value, |
2648 | false, false); | |
d62a17ae | 2649 | } |
2650 | } | |
2651 | ||
2652 | /* | |
2653 | * advertise prefix via tunnel endpoint | |
2654 | */ | |
2655 | add_vnc_route( | |
2656 | rfd, /* rfapi descr, for export list & backref */ | |
2657 | bgp, /* which bgp instance */ | |
2658 | SAFI_MPLS_VPN, /* which SAFI */ | |
2659 | (pfx_ip ? pfx_ip | |
2660 | : &pfx_vn_buf), /* prefix being advertised */ | |
2661 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2662 | &rfd->vn_addr, /* nexthop */ | |
2663 | &local_pref, | |
2664 | &lifetime, /* prefix lifetime -> Tunnel Encap attr */ | |
2665 | NULL, options_un, /* rfapi un options */ | |
2666 | options_vn, /* rfapi vn options */ | |
2667 | (rtlist ? rtlist : rfd->rt_export_list), NULL, /* med */ | |
2668 | label, /* label: default */ | |
2669 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
2670 | ||
2671 | if (rtlist) | |
2672 | ecommunity_free(&rtlist); /* sets rtlist = NULL */ | |
2673 | } | |
2674 | ||
2675 | vnc_zlog_debug_verbose("%s: success", __func__); | |
2676 | return 0; | |
65efcfce LB |
2677 | } |
2678 | ||
d62a17ae | 2679 | int rfapi_query(void *handle, struct rfapi_ip_addr *target, |
2680 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
2681 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 2682 | { |
d62a17ae | 2683 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2684 | struct bgp *bgp = rfd->bgp; | |
2685 | int rc; | |
2686 | ||
2687 | assert(ppNextHopEntry); | |
2688 | *ppNextHopEntry = NULL; | |
2689 | ||
2690 | if (bgp && bgp->rfapi) { | |
2691 | bgp->rfapi->stat.count_queries++; | |
2692 | } | |
2693 | ||
2694 | if (!rfd->rfg) { | |
2695 | if (bgp && bgp->rfapi) | |
2696 | ++bgp->rfapi->stat.count_queries_failed; | |
2697 | return ESTALE; | |
2698 | } | |
2699 | ||
2700 | if ((rc = rfapi_query_inner(handle, target, l2o, ppNextHopEntry))) { | |
2701 | if (bgp && bgp->rfapi) | |
2702 | ++bgp->rfapi->stat.count_queries_failed; | |
2703 | } | |
2704 | return rc; | |
65efcfce LB |
2705 | } |
2706 | ||
d62a17ae | 2707 | int rfapi_query_done(rfapi_handle handle, struct rfapi_ip_addr *target) |
65efcfce | 2708 | { |
d62a17ae | 2709 | struct prefix p; |
2710 | int rc; | |
2711 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; | |
2712 | struct bgp *bgp = rfd->bgp; | |
65efcfce | 2713 | |
d62a17ae | 2714 | if (!rfd->rfg) |
2715 | return ESTALE; | |
65efcfce | 2716 | |
d62a17ae | 2717 | assert(target); |
2718 | rc = rfapiRaddr2Qprefix(target, &p); | |
2719 | assert(!rc); | |
65efcfce | 2720 | |
d62a17ae | 2721 | if (!is_valid_rfd(rfd)) |
2722 | return EBADF; | |
65efcfce | 2723 | |
d62a17ae | 2724 | /* preemptive */ |
2725 | if (!bgp || !bgp->rfapi) | |
2726 | return ENXIO; | |
65efcfce | 2727 | |
d62a17ae | 2728 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) |
2729 | return EDEADLK; | |
65efcfce | 2730 | |
d62a17ae | 2731 | rfapiMonitorDel(bgp, rfd, &p); |
65efcfce | 2732 | |
d62a17ae | 2733 | return 0; |
65efcfce LB |
2734 | } |
2735 | ||
d62a17ae | 2736 | int rfapi_query_done_all(rfapi_handle handle, int *count) |
65efcfce | 2737 | { |
d62a17ae | 2738 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2739 | struct bgp *bgp = rfd->bgp; | |
2740 | ; | |
2741 | int num; | |
65efcfce | 2742 | |
d62a17ae | 2743 | if (!rfd->rfg) |
2744 | return ESTALE; | |
65efcfce | 2745 | |
d62a17ae | 2746 | if (!is_valid_rfd(rfd)) |
2747 | return EBADF; | |
65efcfce | 2748 | |
d62a17ae | 2749 | /* preemptive */ |
2750 | if (!bgp || !bgp->rfapi) | |
2751 | return ENXIO; | |
65efcfce | 2752 | |
d62a17ae | 2753 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) |
2754 | return EDEADLK; | |
65efcfce | 2755 | |
d62a17ae | 2756 | num = rfapiMonitorDelHd(rfd); |
65efcfce | 2757 | |
d62a17ae | 2758 | if (count) |
2759 | *count = num; | |
65efcfce | 2760 | |
d62a17ae | 2761 | return 0; |
65efcfce LB |
2762 | } |
2763 | ||
d62a17ae | 2764 | void rfapi_free_next_hop_list(struct rfapi_next_hop_entry *list) |
65efcfce | 2765 | { |
d62a17ae | 2766 | struct rfapi_next_hop_entry *nh; |
2767 | struct rfapi_next_hop_entry *next; | |
2768 | ||
2769 | for (nh = list; nh; nh = next) { | |
2770 | next = nh->next; | |
2771 | rfapi_un_options_free(nh->un_options); | |
2772 | nh->un_options = NULL; | |
2773 | rfapi_vn_options_free(nh->vn_options); | |
2774 | nh->vn_options = NULL; | |
2775 | XFREE(MTYPE_RFAPI_NEXTHOP, nh); | |
2776 | } | |
65efcfce LB |
2777 | } |
2778 | ||
2779 | /* | |
2780 | * NULL handle => return total count across all nves | |
2781 | */ | |
d62a17ae | 2782 | uint32_t rfapi_monitor_count(void *handle) |
65efcfce | 2783 | { |
d62a17ae | 2784 | struct bgp *bgp = bgp_get_default(); |
2785 | uint32_t count; | |
65efcfce | 2786 | |
d62a17ae | 2787 | if (handle) { |
2788 | struct rfapi_descriptor *rfd = | |
2789 | (struct rfapi_descriptor *)handle; | |
2790 | count = rfd->monitor_count; | |
2791 | } else { | |
65efcfce | 2792 | |
d62a17ae | 2793 | if (!bgp || !bgp->rfapi) |
2794 | return 0; | |
65efcfce | 2795 | |
d62a17ae | 2796 | count = bgp->rfapi->monitor_count; |
2797 | } | |
65efcfce | 2798 | |
d62a17ae | 2799 | return count; |
65efcfce LB |
2800 | } |
2801 | ||
2802 | /*********************************************************************** | |
2803 | * CLI/CONFIG | |
2804 | ***********************************************************************/ | |
2805 | ||
2806 | DEFUN (debug_rfapi_show_nves, | |
2807 | debug_rfapi_show_nves_cmd, | |
2808 | "debug rfapi-dev show nves", | |
2809 | DEBUG_STR | |
2810 | DEBUG_RFAPI_STR | |
2811 | SHOW_STR | |
2812 | "NVE Information\n") | |
2813 | { | |
d62a17ae | 2814 | rfapiPrintMatchingDescriptors(vty, NULL, NULL); |
2815 | return CMD_SUCCESS; | |
65efcfce LB |
2816 | } |
2817 | ||
2818 | DEFUN ( | |
2819 | debug_rfapi_show_nves_vn_un, | |
2820 | debug_rfapi_show_nves_vn_un_cmd, | |
034d2de2 | 2821 | "debug rfapi-dev show nves <vn|un> <A.B.C.D|X:X::X:X>", /* prefix also ok */ |
65efcfce LB |
2822 | DEBUG_STR |
2823 | DEBUG_RFAPI_STR | |
2824 | SHOW_STR | |
2825 | "NVE Information\n" | |
034d2de2 DS |
2826 | "Specify virtual network\n" |
2827 | "Specify underlay network interface\n" | |
2828 | "IPv4 address\n" | |
2829 | "IPv6 address\n") | |
65efcfce | 2830 | { |
d62a17ae | 2831 | struct prefix pfx; |
2832 | ||
2833 | if (!str2prefix(argv[5]->arg, &pfx)) { | |
2834 | vty_out(vty, "Malformed address \"%s\"\n", argv[5]->arg); | |
2835 | return CMD_WARNING_CONFIG_FAILED; | |
2836 | } | |
2837 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
2838 | vty_out(vty, "Invalid address \"%s\"\n", argv[5]->arg); | |
2839 | return CMD_WARNING_CONFIG_FAILED; | |
2840 | } | |
2841 | ||
2842 | if (argv[4]->arg[0] == 'u') { | |
2843 | rfapiPrintMatchingDescriptors(vty, NULL, &pfx); | |
2844 | } else { | |
2845 | rfapiPrintMatchingDescriptors(vty, &pfx, NULL); | |
2846 | } | |
2847 | return CMD_SUCCESS; | |
65efcfce LB |
2848 | } |
2849 | ||
2850 | /* | |
2851 | * Note: this function does not flush vty output, so if it is called | |
2852 | * with a stream pointing to a vty, the user will have to type something | |
2853 | * before the callback output shows up | |
2854 | */ | |
d62a17ae | 2855 | static void test_nexthops_callback( |
2856 | // struct rfapi_ip_addr *target, | |
2857 | struct rfapi_next_hop_entry *next_hops, void *userdata) | |
65efcfce | 2858 | { |
d62a17ae | 2859 | void *stream = userdata; |
65efcfce | 2860 | |
d62a17ae | 2861 | int (*fp)(void *, const char *, ...); |
2862 | struct vty *vty; | |
2863 | void *out; | |
2864 | const char *vty_newline; | |
65efcfce | 2865 | |
d62a17ae | 2866 | if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0) |
2867 | return; | |
65efcfce | 2868 | |
d62a17ae | 2869 | fp(out, "Nexthops Callback, Target=("); |
2870 | // rfapiPrintRfapiIpAddr(stream, target); | |
2871 | fp(out, ")\n"); | |
65efcfce | 2872 | |
d62a17ae | 2873 | rfapiPrintNhl(stream, next_hops); |
65efcfce | 2874 | |
3a022a7f LB |
2875 | fp(out, "\n"); |
2876 | ||
d62a17ae | 2877 | rfapi_free_next_hop_list(next_hops); |
65efcfce LB |
2878 | } |
2879 | ||
2880 | DEFUN (debug_rfapi_open, | |
2881 | debug_rfapi_open_cmd, | |
034d2de2 | 2882 | "debug rfapi-dev open vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2883 | DEBUG_STR |
2884 | DEBUG_RFAPI_STR | |
2885 | "rfapi_open\n" | |
2886 | "indicate vn addr follows\n" | |
034d2de2 DS |
2887 | "virtual network interface IPv4 address\n" |
2888 | "virtual network interface IPv6 address\n" | |
2889 | "indicate xt addr follows\n" | |
2890 | "underlay network interface IPv4 address\n" | |
2891 | "underlay network interface IPv6 address\n") | |
65efcfce | 2892 | { |
d62a17ae | 2893 | struct rfapi_ip_addr vn; |
2894 | struct rfapi_ip_addr un; | |
ed4e30ed | 2895 | uint32_t lifetime = 0; |
d62a17ae | 2896 | int rc; |
2897 | rfapi_handle handle; | |
65efcfce | 2898 | |
d62a17ae | 2899 | /* |
2900 | * Get VN addr | |
2901 | */ | |
2902 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
2903 | return rc; | |
65efcfce | 2904 | |
d62a17ae | 2905 | /* |
2906 | * Get UN addr | |
2907 | */ | |
2908 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
2909 | return rc; | |
65efcfce | 2910 | |
d62a17ae | 2911 | rc = rfapi_open(rfapi_get_rfp_start_val_by_bgp(bgp_get_default()), &vn, |
2912 | &un, /*&uo */ NULL, &lifetime, NULL, &handle); | |
65efcfce | 2913 | |
d62a17ae | 2914 | vty_out(vty, "rfapi_open: status %d, handle %p, lifetime %d\n", rc, |
2915 | handle, lifetime); | |
65efcfce | 2916 | |
d62a17ae | 2917 | rc = rfapi_set_response_cb(handle, test_nexthops_callback); |
65efcfce | 2918 | |
d62a17ae | 2919 | vty_out(vty, "rfapi_set_response_cb: status %d\n", rc); |
65efcfce | 2920 | |
d62a17ae | 2921 | return CMD_SUCCESS; |
65efcfce LB |
2922 | } |
2923 | ||
2924 | ||
2925 | DEFUN (debug_rfapi_close_vn_un, | |
2926 | debug_rfapi_close_vn_un_cmd, | |
034d2de2 | 2927 | "debug rfapi-dev close vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2928 | DEBUG_STR |
2929 | DEBUG_RFAPI_STR | |
2930 | "rfapi_close\n" | |
2931 | "indicate vn addr follows\n" | |
034d2de2 DS |
2932 | "virtual network interface IPv4 address\n" |
2933 | "virtual network interface IPv6 address\n" | |
2934 | "indicate xt addr follows\n" | |
2935 | "underlay network interface IPv4 address\n" | |
2936 | "underlay network interface IPv6 address\n") | |
65efcfce | 2937 | { |
d62a17ae | 2938 | struct rfapi_ip_addr vn; |
2939 | struct rfapi_ip_addr un; | |
2940 | rfapi_handle handle; | |
2941 | int rc; | |
65efcfce | 2942 | |
d62a17ae | 2943 | /* |
2944 | * Get VN addr | |
2945 | */ | |
2946 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
2947 | return rc; | |
65efcfce LB |
2948 | |
2949 | ||
d62a17ae | 2950 | /* |
2951 | * Get UN addr | |
2952 | */ | |
2953 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
2954 | return rc; | |
65efcfce LB |
2955 | |
2956 | ||
d62a17ae | 2957 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
2958 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
2959 | argv[4]->arg, argv[6]->arg); | |
2960 | return CMD_WARNING_CONFIG_FAILED; | |
2961 | } | |
65efcfce | 2962 | |
d62a17ae | 2963 | rc = rfapi_close(handle); |
65efcfce | 2964 | |
d62a17ae | 2965 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 2966 | |
d62a17ae | 2967 | return CMD_SUCCESS; |
65efcfce LB |
2968 | } |
2969 | ||
2970 | DEFUN (debug_rfapi_close_rfd, | |
2971 | debug_rfapi_close_rfd_cmd, | |
2972 | "debug rfapi-dev close rfd HANDLE", | |
2973 | DEBUG_STR | |
2974 | DEBUG_RFAPI_STR | |
2975 | "rfapi_close\n" | |
2976 | "indicate handle follows\n" "rfapi handle in hexadecimal\n") | |
2977 | { | |
d62a17ae | 2978 | rfapi_handle handle; |
2979 | int rc; | |
2980 | char *endptr = NULL; | |
65efcfce | 2981 | |
d62a17ae | 2982 | handle = (rfapi_handle)(uintptr_t)(strtoull(argv[4]->arg, &endptr, 16)); |
65efcfce | 2983 | |
d62a17ae | 2984 | if (*endptr != '\0' || (uintptr_t)handle == UINTPTR_MAX) { |
2985 | vty_out(vty, "Invalid value: %s\n", argv[4]->arg); | |
2986 | return CMD_WARNING_CONFIG_FAILED; | |
2987 | } | |
65efcfce | 2988 | |
d62a17ae | 2989 | rc = rfapi_close(handle); |
65efcfce | 2990 | |
d62a17ae | 2991 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 2992 | |
d62a17ae | 2993 | return CMD_SUCCESS; |
65efcfce LB |
2994 | } |
2995 | ||
2996 | DEFUN (debug_rfapi_register_vn_un, | |
2997 | debug_rfapi_register_vn_un_cmd, | |
3a022a7f | 2998 | "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 |
2999 | DEBUG_STR |
3000 | DEBUG_RFAPI_STR | |
3001 | "rfapi_register\n" | |
3002 | "indicate vn addr follows\n" | |
3003 | "virtual network IPv4 interface address\n" | |
3004 | "virtual network IPv6 interface address\n" | |
d62a17ae | 3005 | "indicate un addr follows\n" |
3006 | "underlay network IPv4 interface address\n" | |
3007 | "underlay network IPv6 interface address\n" | |
3008 | "indicate prefix follows\n" | |
3009 | "IPv4 prefix\n" | |
3010 | "IPv6 prefix\n" | |
3011 | "indicate lifetime follows\n" | |
3a022a7f LB |
3012 | "lifetime\n" |
3013 | "Cost (localpref = 255-cost)\n" | |
3014 | "0-255\n") | |
d62a17ae | 3015 | { |
3016 | struct rfapi_ip_addr vn; | |
3017 | struct rfapi_ip_addr un; | |
3018 | rfapi_handle handle; | |
3019 | struct prefix pfx; | |
3020 | uint32_t lifetime; | |
3021 | struct rfapi_ip_prefix hpfx; | |
3022 | int rc; | |
3a022a7f | 3023 | uint8_t cost = 100; |
d62a17ae | 3024 | |
3025 | /* | |
3026 | * Get VN addr | |
3027 | */ | |
3028 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3029 | return rc; | |
3030 | ||
3031 | ||
3032 | /* | |
3033 | * Get UN addr | |
3034 | */ | |
3035 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3036 | return rc; | |
3037 | ||
3038 | ||
3039 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3040 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3041 | argv[4]->arg, argv[6]->arg); | |
3042 | return CMD_WARNING_CONFIG_FAILED; | |
3043 | } | |
3044 | ||
3045 | /* | |
3046 | * Get prefix to advertise | |
3047 | */ | |
3048 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3049 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3050 | return CMD_WARNING_CONFIG_FAILED; | |
3051 | } | |
3052 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3053 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3054 | return CMD_WARNING_CONFIG_FAILED; | |
3055 | } | |
3056 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3057 | ||
3058 | if (strmatch(argv[10]->text, "infinite")) { | |
3059 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3060 | } else { | |
3061 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3062 | } | |
3063 | ||
3a022a7f LB |
3064 | if (argc >= 13) |
3065 | cost = (uint8_t) strtoul(argv[12]->arg, NULL, 10); | |
3066 | hpfx.cost = cost; | |
d62a17ae | 3067 | |
973fd31c LB |
3068 | rc = rfapi_register(handle, &hpfx, lifetime, NULL, NULL, |
3069 | RFAPI_REGISTER_ADD); | |
d62a17ae | 3070 | if (rc) { |
3071 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3072 | strerror(rc)); | |
3073 | } | |
3074 | ||
3075 | return CMD_SUCCESS; | |
65efcfce LB |
3076 | } |
3077 | ||
3078 | DEFUN (debug_rfapi_register_vn_un_l2o, | |
3079 | debug_rfapi_register_vn_un_l2o_cmd, | |
47714bd2 | 3080 | "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 X:X:X:X:X:X lni (0-16777215)", |
65efcfce LB |
3081 | DEBUG_STR |
3082 | DEBUG_RFAPI_STR | |
3083 | "rfapi_register\n" | |
3084 | "indicate vn addr follows\n" | |
3085 | "virtual network IPv4 interface address\n" | |
3086 | "virtual network IPv6 interface address\n" | |
3087 | "indicate un addr follows\n" | |
3088 | "underlay network IPv4 interface address\n" | |
3089 | "underlay network IPv6 interface address\n" | |
3090 | "indicate prefix follows\n" | |
3091 | "IPv4 prefix\n" | |
034d2de2 DS |
3092 | "IPv6 prefix\n" |
3093 | "indicate lifetime follows\n" | |
3094 | "Seconds of lifetime\n" | |
3095 | "indicate MAC address follows\n" | |
3096 | "MAC address\n" | |
3097 | "indicate lni follows\n" | |
3098 | "lni value range\n") | |
65efcfce | 3099 | { |
d62a17ae | 3100 | struct rfapi_ip_addr vn; |
3101 | struct rfapi_ip_addr un; | |
3102 | rfapi_handle handle; | |
3103 | struct prefix pfx; | |
3104 | uint32_t lifetime; | |
3105 | struct rfapi_ip_prefix hpfx; | |
3106 | int rc; | |
3107 | struct rfapi_vn_option optary[10]; /* XXX must be big enough */ | |
3108 | struct rfapi_vn_option *opt = NULL; | |
3109 | int opt_next = 0; | |
3110 | ||
3111 | /* | |
3112 | * Get VN addr | |
3113 | */ | |
3114 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3115 | return rc; | |
3116 | ||
3117 | ||
3118 | /* | |
3119 | * Get UN addr | |
3120 | */ | |
3121 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3122 | return rc; | |
3123 | ||
3124 | ||
3125 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3126 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3127 | argv[4]->arg, argv[6]->arg); | |
3128 | return CMD_WARNING_CONFIG_FAILED; | |
3129 | } | |
3130 | ||
3131 | /* | |
3132 | * Get prefix to advertise | |
3133 | */ | |
3134 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3135 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3136 | return CMD_WARNING_CONFIG_FAILED; | |
3137 | } | |
3138 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3139 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3140 | return CMD_WARNING_CONFIG_FAILED; | |
3141 | } | |
3142 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3143 | ||
3144 | if (strmatch(argv[10]->text, "infinite")) { | |
3145 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3146 | } else { | |
3147 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3148 | } | |
3149 | ||
3150 | /* L2 option parsing START */ | |
3151 | memset(optary, 0, sizeof(optary)); | |
3152 | optary[opt_next].v.l2addr.logical_net_id = | |
3153 | strtoul(argv[14]->arg, NULL, 10); | |
3f54c705 PM |
3154 | if (rfapiStr2EthAddr(argv[12]->arg, |
3155 | &optary[opt_next].v.l2addr.macaddr)) { | |
d62a17ae | 3156 | vty_out(vty, "Bad mac address \"%s\"\n", argv[12]->arg); |
3157 | return CMD_WARNING_CONFIG_FAILED; | |
3158 | } | |
3159 | optary[opt_next].type = RFAPI_VN_OPTION_TYPE_L2ADDR; | |
c7e803f1 DS |
3160 | opt = optary; |
3161 | ||
d62a17ae | 3162 | /* L2 option parsing END */ |
3163 | ||
3164 | /* TBD fixme */ | |
973fd31c LB |
3165 | rc = rfapi_register(handle, &hpfx, lifetime, NULL /* &uo */, opt, |
3166 | RFAPI_REGISTER_ADD); | |
d62a17ae | 3167 | if (rc) { |
3168 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3169 | strerror(rc)); | |
3170 | } | |
3171 | ||
3172 | return CMD_SUCCESS; | |
65efcfce LB |
3173 | } |
3174 | ||
3175 | ||
3176 | DEFUN (debug_rfapi_unregister_vn_un, | |
3177 | debug_rfapi_unregister_vn_un_cmd, | |
973fd31c | 3178 | "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 |
3179 | DEBUG_STR |
3180 | DEBUG_RFAPI_STR | |
3181 | "rfapi_register\n" | |
3182 | "indicate vn addr follows\n" | |
3183 | "virtual network interface address\n" | |
3184 | "indicate xt addr follows\n" | |
3185 | "underlay network interface address\n" | |
973fd31c LB |
3186 | "prefix to remove\n" |
3187 | "Remove without holddown") | |
65efcfce | 3188 | { |
d62a17ae | 3189 | struct rfapi_ip_addr vn; |
3190 | struct rfapi_ip_addr un; | |
3191 | rfapi_handle handle; | |
3192 | struct prefix pfx; | |
3193 | struct rfapi_ip_prefix hpfx; | |
3194 | int rc; | |
3195 | ||
3196 | /* | |
3197 | * Get VN addr | |
3198 | */ | |
3199 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3200 | return rc; | |
3201 | ||
3202 | ||
3203 | /* | |
3204 | * Get UN addr | |
3205 | */ | |
3206 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3207 | return rc; | |
3208 | ||
3209 | ||
3210 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3211 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3212 | argv[4]->arg, argv[6]->arg); | |
3213 | return CMD_WARNING_CONFIG_FAILED; | |
3214 | } | |
3215 | ||
3216 | /* | |
3217 | * Get prefix to advertise | |
3218 | */ | |
3219 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3220 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3221 | return CMD_WARNING_CONFIG_FAILED; | |
3222 | } | |
3223 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3224 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3225 | return CMD_WARNING_CONFIG_FAILED; | |
3226 | } | |
3227 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3228 | ||
973fd31c LB |
3229 | rfapi_register(handle, &hpfx, 0, NULL, NULL, |
3230 | (argc == 10 ? | |
3231 | RFAPI_REGISTER_KILL : RFAPI_REGISTER_WITHDRAW)); | |
d62a17ae | 3232 | |
3233 | return CMD_SUCCESS; | |
65efcfce LB |
3234 | } |
3235 | ||
3236 | DEFUN (debug_rfapi_query_vn_un, | |
3237 | debug_rfapi_query_vn_un_cmd, | |
034d2de2 | 3238 | "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 |
3239 | DEBUG_STR |
3240 | DEBUG_RFAPI_STR | |
3241 | "rfapi_query\n" | |
3242 | "indicate vn addr follows\n" | |
034d2de2 DS |
3243 | "virtual network interface IPv4 address\n" |
3244 | "virtual network interface IPv6 address\n" | |
3245 | "indicate un addr follows\n" | |
3246 | "IPv4 un address\n" | |
3247 | "IPv6 un address\n" | |
3248 | "indicate target follows\n" | |
3249 | "target IPv4 address\n" | |
3250 | "target IPv6 address\n") | |
65efcfce | 3251 | { |
d62a17ae | 3252 | struct rfapi_ip_addr vn; |
3253 | struct rfapi_ip_addr un; | |
3254 | struct rfapi_ip_addr target; | |
3255 | rfapi_handle handle; | |
3256 | int rc; | |
3257 | struct rfapi_next_hop_entry *pNextHopEntry; | |
3258 | ||
3259 | /* | |
3260 | * Get VN addr | |
3261 | */ | |
3262 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3263 | return rc; | |
3264 | ||
3265 | ||
3266 | /* | |
3267 | * Get UN addr | |
3268 | */ | |
3269 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3270 | return rc; | |
3271 | ||
3272 | ||
3273 | /* | |
3274 | * Get target addr | |
3275 | */ | |
3276 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[8]->arg, &target))) | |
3277 | return rc; | |
3278 | ||
3279 | ||
3280 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3281 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3282 | argv[4]->arg, argv[6]->arg); | |
3283 | return CMD_WARNING_CONFIG_FAILED; | |
3284 | } | |
3285 | ||
3286 | /* | |
3287 | * options parameter not used? Set to NULL for now | |
3288 | */ | |
3289 | rc = rfapi_query(handle, &target, NULL, &pNextHopEntry); | |
3290 | ||
3291 | if (rc) { | |
3292 | vty_out(vty, "rfapi_query failed with rc=%d (%s)\n", rc, | |
3293 | strerror(rc)); | |
3294 | } else { | |
3295 | /* | |
3296 | * print nexthop list | |
3297 | */ | |
3298 | test_nexthops_callback(/*&target, */ pNextHopEntry, | |
3299 | vty); /* frees nh list! */ | |
3300 | } | |
3301 | ||
3302 | return CMD_SUCCESS; | |
65efcfce LB |
3303 | } |
3304 | ||
3305 | ||
3306 | DEFUN (debug_rfapi_query_vn_un_l2o, | |
3307 | debug_rfapi_query_vn_un_l2o_cmd, | |
47714bd2 | 3308 | "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 X:X:X:X:X:X", |
65efcfce LB |
3309 | DEBUG_STR |
3310 | DEBUG_RFAPI_STR | |
3311 | "rfapi_query\n" | |
3312 | "indicate vn addr follows\n" | |
034d2de2 DS |
3313 | "virtual network interface IPv4 address\n" |
3314 | "virtual network interface IPv6 address\n" | |
65efcfce | 3315 | "indicate xt addr follows\n" |
034d2de2 DS |
3316 | "underlay network interface IPv4 address\n" |
3317 | "underlay network interface IPv6 address\n" | |
65efcfce LB |
3318 | "logical network ID follows\n" |
3319 | "logical network ID\n" | |
034d2de2 DS |
3320 | "indicate target MAC addr follows\n" |
3321 | "target MAC addr\n") | |
65efcfce | 3322 | { |
d62a17ae | 3323 | struct rfapi_ip_addr vn; |
3324 | struct rfapi_ip_addr un; | |
d62a17ae | 3325 | int rc; |
d62a17ae | 3326 | |
3327 | /* | |
3328 | * Get VN addr | |
3329 | */ | |
3330 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3331 | return rc; | |
3332 | ||
3333 | ||
3334 | /* | |
3335 | * Get UN addr | |
3336 | */ | |
3337 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3338 | return rc; | |
65efcfce | 3339 | |
d62a17ae | 3340 | vty_out(vty, "%% This command is broken.\n"); |
3341 | return CMD_WARNING_CONFIG_FAILED; | |
65efcfce LB |
3342 | } |
3343 | ||
3344 | ||
3345 | DEFUN (debug_rfapi_query_done_vn_un, | |
3346 | debug_rfapi_query_vn_un_done_cmd, | |
034d2de2 | 3347 | "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 |
3348 | DEBUG_STR |
3349 | DEBUG_RFAPI_STR | |
3350 | "rfapi_query_done\n" | |
034d2de2 | 3351 | "rfapi_query_done\n" |
65efcfce | 3352 | "indicate vn addr follows\n" |
034d2de2 DS |
3353 | "virtual network interface IPv4 address\n" |
3354 | "virtual network interface IPv6 address\n" | |
65efcfce | 3355 | "indicate xt addr follows\n" |
034d2de2 DS |
3356 | "underlay network interface IPv4 address\n" |
3357 | "underlay network interface IPv6 address\n" | |
3358 | "indicate target follows\n" | |
3359 | "Target IPv4 address\n" | |
3360 | "Target IPv6 address\n") | |
65efcfce | 3361 | { |
d62a17ae | 3362 | struct rfapi_ip_addr vn; |
3363 | struct rfapi_ip_addr un; | |
3364 | struct rfapi_ip_addr target; | |
3365 | rfapi_handle handle; | |
3366 | int rc; | |
65efcfce | 3367 | |
d62a17ae | 3368 | /* |
3369 | * Get VN addr | |
3370 | */ | |
3371 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3372 | return rc; | |
65efcfce LB |
3373 | |
3374 | ||
d62a17ae | 3375 | /* |
3376 | * Get UN addr | |
3377 | */ | |
3378 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3379 | return rc; | |
65efcfce LB |
3380 | |
3381 | ||
d62a17ae | 3382 | /* |
3383 | * Get target addr | |
3384 | */ | |
3385 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[9]->arg, &target))) | |
3386 | return rc; | |
65efcfce LB |
3387 | |
3388 | ||
d62a17ae | 3389 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
3390 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3391 | argv[5]->arg, argv[7]->arg); | |
3392 | return CMD_WARNING_CONFIG_FAILED; | |
3393 | } | |
65efcfce | 3394 | |
d62a17ae | 3395 | /* |
3396 | * options parameter not used? Set to NULL for now | |
3397 | */ | |
3398 | rc = rfapi_query_done(handle, &target); | |
65efcfce | 3399 | |
d62a17ae | 3400 | vty_out(vty, "rfapi_query_done returned %d\n", rc); |
65efcfce | 3401 | |
d62a17ae | 3402 | return CMD_SUCCESS; |
65efcfce LB |
3403 | } |
3404 | ||
3405 | DEFUN (debug_rfapi_show_import, | |
3406 | debug_rfapi_show_import_cmd, | |
3407 | "debug rfapi-dev show import", | |
3408 | DEBUG_STR | |
3409 | DEBUG_RFAPI_STR | |
3410 | SHOW_STR | |
3411 | "import\n") | |
3412 | { | |
d62a17ae | 3413 | struct bgp *bgp; |
3414 | struct rfapi *h; | |
3415 | struct rfapi_import_table *it; | |
3416 | char *s; | |
3417 | int first_l2 = 1; | |
3418 | ||
3419 | /* | |
3420 | * Show all import tables | |
3421 | */ | |
3422 | ||
3423 | bgp = bgp_get_default(); /* assume 1 instance for now */ | |
3424 | if (!bgp) { | |
3425 | vty_out(vty, "No BGP instance\n"); | |
3426 | return CMD_WARNING_CONFIG_FAILED; | |
3427 | } | |
3428 | ||
3429 | h = bgp->rfapi; | |
3430 | if (!h) { | |
3431 | vty_out(vty, "No RFAPI instance\n"); | |
3432 | return CMD_WARNING_CONFIG_FAILED; | |
3433 | } | |
3434 | ||
3435 | /* | |
3436 | * Iterate over all import tables; do a filtered import | |
3437 | * for the afi/safi combination | |
3438 | */ | |
3439 | ||
3440 | ||
3441 | for (it = h->imports; it; it = it->next) { | |
3442 | s = ecommunity_ecom2str(it->rt_import_list, | |
3443 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
3444 | vty_out(vty, "Import Table %p, RTs: %s\n", it, s); | |
3445 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
3446 | ||
3447 | rfapiShowImportTable(vty, "IP VPN", it->imported_vpn[AFI_IP], | |
3448 | 1); | |
3449 | rfapiShowImportTable(vty, "IP ENCAP", | |
3450 | it->imported_encap[AFI_IP], 0); | |
3451 | rfapiShowImportTable(vty, "IP6 VPN", it->imported_vpn[AFI_IP6], | |
3452 | 1); | |
3453 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3454 | it->imported_encap[AFI_IP6], 0); | |
3455 | } | |
3456 | ||
3457 | if (h->import_mac) { | |
3458 | void *cursor = NULL; | |
3459 | uint32_t lni; | |
3460 | uintptr_t lni_as_ptr; | |
3461 | int rc; | |
3462 | char buf[BUFSIZ]; | |
3463 | ||
3464 | for (rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3465 | (void **)&it, &cursor); | |
3466 | !rc; | |
3467 | rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3468 | (void **)&it, &cursor)) { | |
3469 | ||
3470 | if (it->imported_vpn[AFI_L2VPN]) { | |
3471 | lni = lni_as_ptr; | |
3472 | if (first_l2) { | |
3473 | vty_out(vty, | |
3474 | "\nLNI-based Ethernet Tables:\n"); | |
3475 | first_l2 = 0; | |
3476 | } | |
4ced1a2c | 3477 | snprintf(buf, sizeof(buf), "L2VPN LNI=%u", lni); |
d62a17ae | 3478 | rfapiShowImportTable( |
3479 | vty, buf, it->imported_vpn[AFI_L2VPN], | |
3480 | 1); | |
3481 | } | |
3482 | } | |
3483 | } | |
3484 | ||
3485 | rfapiShowImportTable(vty, "CE IT - IP VPN", | |
3486 | h->it_ce->imported_vpn[AFI_IP], 1); | |
3487 | ||
3488 | return CMD_SUCCESS; | |
65efcfce LB |
3489 | } |
3490 | ||
3491 | DEFUN (debug_rfapi_show_import_vn_un, | |
3492 | debug_rfapi_show_import_vn_un_cmd, | |
034d2de2 | 3493 | "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 |
3494 | DEBUG_STR |
3495 | DEBUG_RFAPI_STR | |
3496 | SHOW_STR | |
3497 | "import\n" | |
3498 | "indicate vn addr follows\n" | |
034d2de2 DS |
3499 | "virtual network interface IPv4 address\n" |
3500 | "virtual network interface IPv6 address\n" | |
3501 | "indicate xt addr follows\n" | |
3502 | "underlay network interface IPv4 address\n" | |
3503 | "underlay network interface IPv6 address\n") | |
65efcfce | 3504 | { |
d62a17ae | 3505 | struct rfapi_ip_addr vn; |
3506 | struct rfapi_ip_addr un; | |
3507 | rfapi_handle handle; | |
3508 | int rc; | |
3509 | struct rfapi_descriptor *rfd; | |
3510 | ||
3511 | /* | |
3512 | * Get VN addr | |
3513 | */ | |
3514 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3515 | return rc; | |
3516 | ||
3517 | ||
3518 | /* | |
3519 | * Get UN addr | |
3520 | */ | |
3521 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3522 | return rc; | |
3523 | ||
3524 | ||
3525 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3526 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3527 | argv[5]->arg, argv[7]->arg); | |
3528 | return CMD_WARNING_CONFIG_FAILED; | |
3529 | } | |
3530 | ||
3531 | rfd = (struct rfapi_descriptor *)handle; | |
3532 | ||
3533 | rfapiShowImportTable(vty, "IP VPN", | |
3534 | rfd->import_table->imported_vpn[AFI_IP], 1); | |
3535 | rfapiShowImportTable(vty, "IP ENCAP", | |
3536 | rfd->import_table->imported_encap[AFI_IP], 0); | |
3537 | rfapiShowImportTable(vty, "IP6 VPN", | |
3538 | rfd->import_table->imported_vpn[AFI_IP6], 1); | |
3539 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3540 | rfd->import_table->imported_encap[AFI_IP6], 0); | |
3541 | ||
3542 | return CMD_SUCCESS; | |
65efcfce LB |
3543 | } |
3544 | ||
3545 | DEFUN (debug_rfapi_response_omit_self, | |
3546 | debug_rfapi_response_omit_self_cmd, | |
034d2de2 | 3547 | "debug rfapi-dev response-omit-self <on|off>", |
65efcfce LB |
3548 | DEBUG_STR |
3549 | DEBUG_RFAPI_STR | |
3550 | "Omit self in RFP responses\n" | |
3551 | "filter out self from responses\n" "leave self in responses\n") | |
3552 | { | |
d62a17ae | 3553 | struct bgp *bgp = bgp_get_default(); |
3554 | ||
3555 | if (!bgp) { | |
3556 | vty_out(vty, "No BGP process is configured\n"); | |
3557 | return CMD_WARNING_CONFIG_FAILED; | |
3558 | } | |
3559 | if (!bgp->rfapi_cfg) { | |
3560 | vty_out(vty, "VNC not configured\n"); | |
3561 | return CMD_WARNING_CONFIG_FAILED; | |
3562 | } | |
3563 | ||
3564 | if (strmatch(argv[3]->text, "on")) | |
3565 | SET_FLAG(bgp->rfapi_cfg->flags, | |
3566 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3567 | else | |
3568 | UNSET_FLAG(bgp->rfapi_cfg->flags, | |
3569 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3570 | ||
3571 | return CMD_SUCCESS; | |
65efcfce LB |
3572 | } |
3573 | ||
3574 | ||
3575 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
3576 | ||
f8b6f499 | 3577 | #include "lib/skiplist.h" |
65efcfce LB |
3578 | DEFUN (skiplist_test_cli, |
3579 | skiplist_test_cli_cmd, | |
3580 | "skiplist test", | |
3581 | "skiplist command\n" | |
3582 | "test\n") | |
3583 | { | |
d62a17ae | 3584 | skiplist_test(vty); |
65efcfce | 3585 | |
d62a17ae | 3586 | return CMD_SUCCESS; |
65efcfce LB |
3587 | } |
3588 | ||
3589 | DEFUN (skiplist_debug_cli, | |
3590 | skiplist_debug_cli_cmd, | |
3591 | "skiplist debug", | |
3592 | "skiplist command\n" | |
3593 | "debug\n") | |
3594 | { | |
d62a17ae | 3595 | skiplist_debug(vty, NULL); |
3596 | return CMD_SUCCESS; | |
65efcfce LB |
3597 | } |
3598 | ||
3599 | #endif /* RFAPI_DEBUG_SKIPLIST_CLI */ | |
3600 | ||
d62a17ae | 3601 | void rfapi_init(void) |
65efcfce | 3602 | { |
d62a17ae | 3603 | bgp_rfapi_cfg_init(); |
3604 | vnc_debug_init(); | |
65efcfce | 3605 | |
d62a17ae | 3606 | install_element(ENABLE_NODE, &debug_rfapi_show_import_cmd); |
3607 | install_element(ENABLE_NODE, &debug_rfapi_show_import_vn_un_cmd); | |
65efcfce | 3608 | |
d62a17ae | 3609 | install_element(ENABLE_NODE, &debug_rfapi_open_cmd); |
3610 | install_element(ENABLE_NODE, &debug_rfapi_close_vn_un_cmd); | |
3611 | install_element(ENABLE_NODE, &debug_rfapi_close_rfd_cmd); | |
3612 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_cmd); | |
3613 | install_element(ENABLE_NODE, &debug_rfapi_unregister_vn_un_cmd); | |
3614 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_cmd); | |
3615 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_done_cmd); | |
3616 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_l2o_cmd); | |
65efcfce | 3617 | |
d62a17ae | 3618 | install_element(ENABLE_NODE, &debug_rfapi_response_omit_self_cmd); |
65efcfce | 3619 | |
d62a17ae | 3620 | /* Need the following show commands for gpz test scripts */ |
3621 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_cmd); | |
3622 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_vn_un_cmd); | |
3623 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_l2o_cmd); | |
65efcfce LB |
3624 | |
3625 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
d62a17ae | 3626 | install_element(ENABLE_NODE, &skiplist_test_cli_cmd); |
3627 | install_element(ENABLE_NODE, &skiplist_debug_cli_cmd); | |
65efcfce LB |
3628 | #endif |
3629 | ||
d62a17ae | 3630 | rfapi_vty_init(); |
65efcfce LB |
3631 | } |
3632 | ||
3633 | #ifdef DEBUG_RFAPI | |
d62a17ae | 3634 | static void rfapi_print_exported(struct bgp *bgp) |
65efcfce | 3635 | { |
9bcb3eef DS |
3636 | struct bgp_dest *destn; |
3637 | struct bgp_dest *dest; | |
40381db7 | 3638 | struct bgp_path_info *bpi; |
d62a17ae | 3639 | |
3640 | if (!bgp) | |
3641 | return; | |
3642 | ||
9bcb3eef DS |
3643 | for (destn = bgp_table_top(bgp->rib[AFI_IP][SAFI_MPLS_VPN]); destn; |
3644 | destn = bgp_route_next(destn)) { | |
67009e22 DS |
3645 | struct bgp_table *table; |
3646 | ||
9bcb3eef | 3647 | table = bgp_dest_get_bgp_table_info(destn); |
67009e22 | 3648 | if (!table) |
d62a17ae | 3649 | continue; |
9bcb3eef DS |
3650 | fprintf(stderr, "%s: vpn destn=%p\n", __func__, destn); |
3651 | for (dest = bgp_table_top(table); dest; | |
3652 | dest = bgp_route_next(dest)) { | |
3653 | bpi = bgp_dest_get_bgp_path_info(dest); | |
6f94b685 DS |
3654 | |
3655 | if (!bpi) | |
d62a17ae | 3656 | continue; |
9bcb3eef | 3657 | fprintf(stderr, "%s: dest=%p\n", __func__, dest); |
6f94b685 | 3658 | for (; bpi; bpi = bpi->next) { |
40381db7 | 3659 | rfapiPrintBi((void *)2, bpi); /* 2 => stderr */ |
d62a17ae | 3660 | } |
3661 | } | |
3662 | } | |
9bcb3eef DS |
3663 | for (destn = bgp_table_top(bgp->rib[AFI_IP][SAFI_ENCAP]); destn; |
3664 | destn = bgp_route_next(destn)) { | |
67009e22 DS |
3665 | struct bgp_table *table; |
3666 | ||
9bcb3eef | 3667 | table = bgp_dest_get_bgp_table_info(destn); |
67009e22 | 3668 | if (!table) |
d62a17ae | 3669 | continue; |
9bcb3eef | 3670 | fprintf(stderr, "%s: encap destn=%p\n", __func__, destn); |
841d18ab DS |
3671 | for (dest = bgp_table_top(table); dest; |
3672 | dest = bgp_route_next(dest)) { | |
3673 | bpi = bgp_dest_get_bgp_path_info(dest); | |
3674 | if (!bpi) | |
3675 | continue; | |
3676 | fprintf(stderr, "%s: dest=%p\n", __func__, dest); | |
3677 | for (; bpi; bpi = bpi->next) { | |
3678 | rfapiPrintBi((void *)2, bpi); /* 2 => stderr */ | |
3679 | } | |
3680 | } | |
d62a17ae | 3681 | } |
65efcfce LB |
3682 | } |
3683 | #endif /* defined(DEBUG_RFAPI) */ | |
3684 | ||
3685 | /* | |
3686 | * Free all memory to prepare for clean exit as seen by valgrind memcheck | |
3687 | */ | |
d62a17ae | 3688 | void rfapi_delete(struct bgp *bgp) |
65efcfce | 3689 | { |
d62a17ae | 3690 | extern void rfp_clear_vnc_nve_all(void); /* can't fix correctly yet */ |
3691 | ||
3692 | /* | |
3693 | * This clears queries and registered routes, and closes nves | |
3694 | */ | |
3695 | if (bgp->rfapi) | |
3696 | rfp_clear_vnc_nve_all(); | |
3697 | bgp_rfapi_cfg_destroy(bgp, bgp->rfapi_cfg); | |
3698 | bgp->rfapi_cfg = NULL; | |
3699 | bgp_rfapi_destroy(bgp, bgp->rfapi); | |
3700 | bgp->rfapi = NULL; | |
65efcfce | 3701 | #ifdef DEBUG_RFAPI |
d62a17ae | 3702 | /* |
3703 | * show what's left in the BGP MPLSVPN RIB | |
3704 | */ | |
3705 | rfapi_print_exported(bgp); | |
65efcfce | 3706 | #endif |
65efcfce LB |
3707 | } |
3708 | ||
d62a17ae | 3709 | int rfapi_set_autord_from_vn(struct prefix_rd *rd, struct rfapi_ip_addr *vn) |
65efcfce | 3710 | { |
d62a17ae | 3711 | vnc_zlog_debug_verbose("%s: auto-assigning RD", __func__); |
3712 | if (vn->addr_family != AF_INET && vn->addr_family != AF_INET6) { | |
3713 | vnc_zlog_debug_verbose( | |
3efd0893 | 3714 | "%s: can't auto-assign RD, VN addr family is not IPv4|v6", |
d62a17ae | 3715 | __func__); |
3716 | return EAFNOSUPPORT; | |
3717 | } | |
3718 | rd->family = AF_UNSPEC; | |
3719 | rd->prefixlen = 64; | |
3720 | rd->val[1] = RD_TYPE_IP; | |
3721 | if (vn->addr_family == AF_INET) { | |
3722 | memcpy(rd->val + 2, &vn->addr.v4.s_addr, 4); | |
3723 | } else { /* is v6 */ | |
3724 | memcpy(rd->val + 2, &vn->addr.v6.s6_addr32[3], | |
3725 | 4); /* low order 4 bytes */ | |
3726 | } | |
3727 | { | |
06b9f471 DS |
3728 | char buf[RD_ADDRSTRLEN]; |
3729 | ||
d62a17ae | 3730 | vnc_zlog_debug_verbose("%s: auto-RD is set to %s", __func__, |
06b9f471 | 3731 | prefix_rd2str(rd, buf, sizeof(buf))); |
d62a17ae | 3732 | } |
3733 | return 0; | |
65efcfce LB |
3734 | } |
3735 | ||
3736 | /*------------------------------------------ | |
3737 | * rfapi_bgp_lookup_by_rfp | |
3738 | * | |
3739 | * Find bgp instance pointer based on value returned by rfp_start | |
3740 | * | |
d62a17ae | 3741 | * input: |
65efcfce LB |
3742 | * rfp_start_val value returned by rfp_startor |
3743 | * NULL (=get default instance) | |
3744 | * | |
3745 | * output: | |
3746 | * none | |
3747 | * | |
3748 | * return value: | |
3749 | * bgp bgp instance pointer | |
3750 | * NULL = not found | |
3751 | * | |
3752 | --------------------------------------------*/ | |
d62a17ae | 3753 | struct bgp *rfapi_bgp_lookup_by_rfp(void *rfp_start_val) |
65efcfce | 3754 | { |
d62a17ae | 3755 | struct bgp *bgp = NULL; |
3756 | struct listnode *node, *nnode; | |
3757 | ||
3758 | if (rfp_start_val == NULL) | |
3759 | bgp = bgp_get_default(); | |
3760 | else | |
3761 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) | |
3762 | if (bgp->rfapi != NULL | |
3763 | && bgp->rfapi->rfp == rfp_start_val) | |
3764 | return bgp; | |
3765 | return bgp; | |
65efcfce LB |
3766 | } |
3767 | ||
3768 | /*------------------------------------------ | |
3769 | * rfapi_get_rfp_start_val_by_bgp | |
3770 | * | |
3771 | * Find bgp instance pointer based on value returned by rfp_start | |
3772 | * | |
d62a17ae | 3773 | * input: |
65efcfce LB |
3774 | * bgp bgp instance pointer |
3775 | * | |
3776 | * output: | |
3777 | * none | |
3778 | * | |
3779 | * return value: | |
3780 | * rfp_start_val | |
3781 | * NULL = not found | |
3782 | * | |
3783 | --------------------------------------------*/ | |
d62a17ae | 3784 | void *rfapi_get_rfp_start_val_by_bgp(struct bgp *bgp) |
65efcfce | 3785 | { |
d62a17ae | 3786 | if (!bgp || !bgp->rfapi) |
3787 | return NULL; | |
3788 | return bgp->rfapi->rfp; | |
65efcfce LB |
3789 | } |
3790 | ||
3791 | /*********************************************************************** | |
3792 | * RFP group specific configuration | |
3793 | ***********************************************************************/ | |
d62a17ae | 3794 | static void *rfapi_rfp_get_or_init_group_config_default(struct rfapi_cfg *rfc, |
3795 | struct vty *vty, | |
3796 | uint32_t size) | |
65efcfce | 3797 | { |
d62a17ae | 3798 | if (rfc->default_rfp_cfg == NULL && size > 0) { |
3799 | rfc->default_rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3800 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3801 | size); | |
3802 | } | |
3803 | return rfc->default_rfp_cfg; | |
65efcfce LB |
3804 | } |
3805 | ||
d62a17ae | 3806 | static void *rfapi_rfp_get_or_init_group_config_nve(struct rfapi_cfg *rfc, |
3807 | struct vty *vty, | |
3808 | uint32_t size) | |
65efcfce | 3809 | { |
d62a17ae | 3810 | struct rfapi_nve_group_cfg *rfg = |
3811 | VTY_GET_CONTEXT_SUB(rfapi_nve_group_cfg); | |
3812 | ||
3813 | /* make sure group is still in list */ | |
3814 | if (!rfg || !listnode_lookup(rfc->nve_groups_sequential, rfg)) { | |
3815 | /* Not in list anymore */ | |
3816 | vty_out(vty, "Current NVE group no longer exists\n"); | |
3817 | return NULL; | |
3818 | } | |
3819 | ||
3820 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3821 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3822 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3823 | size); | |
3824 | } | |
3825 | return rfg->rfp_cfg; | |
65efcfce LB |
3826 | } |
3827 | ||
d62a17ae | 3828 | static void *rfapi_rfp_get_or_init_group_config_l2(struct rfapi_cfg *rfc, |
3829 | struct vty *vty, | |
3830 | uint32_t size) | |
65efcfce | 3831 | { |
d62a17ae | 3832 | struct rfapi_l2_group_cfg *rfg = |
3833 | VTY_GET_CONTEXT_SUB(rfapi_l2_group_cfg); | |
3834 | ||
3835 | /* make sure group is still in list */ | |
3836 | if (!rfg || !listnode_lookup(rfc->l2_groups, rfg)) { | |
3837 | /* Not in list anymore */ | |
3838 | vty_out(vty, "Current L2 group no longer exists\n"); | |
3839 | return NULL; | |
3840 | } | |
3841 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3842 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3843 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3844 | size); | |
3845 | } | |
3846 | return rfg->rfp_cfg; | |
65efcfce LB |
3847 | } |
3848 | ||
3849 | /*------------------------------------------ | |
3850 | * rfapi_rfp_init_group_config_ptr_vty | |
3851 | * | |
3852 | * This is used to init or return a previously init'ed group specific | |
d62a17ae | 3853 | * configuration pointer. Group is identified by vty context. |
65efcfce LB |
3854 | * NOTE: size is ignored when a previously init'ed value is returned. |
3855 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
3856 | * bgp restart or shutdown. | |
3857 | * | |
d62a17ae | 3858 | * input: |
65efcfce LB |
3859 | * rfp_start_val value returned by rfp_start |
3860 | * type group type | |
3861 | * vty quagga vty context | |
3862 | * size number of bytes to allocation | |
3863 | * | |
3864 | * output: | |
3865 | * none | |
3866 | * | |
d62a17ae | 3867 | * return value: |
65efcfce LB |
3868 | * rfp_cfg_group NULL or Pointer to configuration structure |
3869 | --------------------------------------------*/ | |
d62a17ae | 3870 | void *rfapi_rfp_init_group_config_ptr_vty(void *rfp_start_val, |
3871 | rfapi_rfp_cfg_group_type type, | |
3872 | struct vty *vty, uint32_t size) | |
65efcfce | 3873 | { |
d62a17ae | 3874 | struct bgp *bgp; |
3875 | void *ret = NULL; | |
3876 | ||
3877 | if (rfp_start_val == NULL || vty == NULL) | |
3878 | return NULL; | |
3879 | ||
3880 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
3881 | if (!bgp || !bgp->rfapi_cfg) | |
3882 | return NULL; | |
3883 | ||
3884 | switch (type) { | |
3885 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
3886 | ret = rfapi_rfp_get_or_init_group_config_default(bgp->rfapi_cfg, | |
3887 | vty, size); | |
3888 | break; | |
3889 | case RFAPI_RFP_CFG_GROUP_NVE: | |
3890 | ret = rfapi_rfp_get_or_init_group_config_nve(bgp->rfapi_cfg, | |
3891 | vty, size); | |
3892 | break; | |
3893 | case RFAPI_RFP_CFG_GROUP_L2: | |
3894 | ret = rfapi_rfp_get_or_init_group_config_l2(bgp->rfapi_cfg, vty, | |
3895 | size); | |
3896 | break; | |
3897 | default: | |
450971aa | 3898 | flog_err(EC_LIB_DEVELOPMENT, "%s: Unknown group type=%d", |
1c50c1c0 | 3899 | __func__, type); |
d62a17ae | 3900 | /* should never happen */ |
3901 | assert("Unknown type" == NULL); | |
3902 | break; | |
3903 | } | |
3904 | return ret; | |
65efcfce LB |
3905 | } |
3906 | ||
3907 | /*------------------------------------------ | |
3908 | * rfapi_rfp_get_group_config_ptr_vty | |
3909 | * | |
3910 | * This is used to get group specific configuration pointer. | |
3911 | * Group is identified by type and vty context. | |
3912 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
d62a17ae | 3913 | * bgp restart or shutdown. |
65efcfce | 3914 | * |
d62a17ae | 3915 | * input: |
65efcfce LB |
3916 | * rfp_start_val value returned by rfp_start |
3917 | * type group type | |
3918 | * vty quagga vty context | |
3919 | * | |
3920 | * output: | |
3921 | * none | |
3922 | * | |
3923 | * return value: | |
d62a17ae | 3924 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 3925 | --------------------------------------------*/ |
d62a17ae | 3926 | void *rfapi_rfp_get_group_config_ptr_vty(void *rfp_start_val, |
3927 | rfapi_rfp_cfg_group_type type, | |
3928 | struct vty *vty) | |
65efcfce | 3929 | { |
d62a17ae | 3930 | return rfapi_rfp_init_group_config_ptr_vty(rfp_start_val, type, vty, 0); |
65efcfce LB |
3931 | } |
3932 | ||
3933 | static void * | |
d62a17ae | 3934 | rfapi_rfp_get_group_config_name_nve(struct rfapi_cfg *rfc, const char *name, |
3935 | void *criteria, | |
3936 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3937 | { |
d62a17ae | 3938 | struct rfapi_nve_group_cfg *rfg; |
3939 | struct listnode *node; | |
3940 | ||
3941 | for (ALL_LIST_ELEMENTS_RO(rfc->nve_groups_sequential, node, rfg)) { | |
3942 | if (!strcmp(rfg->name, name) && /* name match */ | |
3943 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3944 | return rfg->rfp_cfg; | |
3945 | } | |
3946 | return NULL; | |
65efcfce LB |
3947 | } |
3948 | ||
3949 | static void * | |
d62a17ae | 3950 | rfapi_rfp_get_group_config_name_l2(struct rfapi_cfg *rfc, const char *name, |
3951 | void *criteria, | |
3952 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3953 | { |
d62a17ae | 3954 | struct rfapi_l2_group_cfg *rfg; |
3955 | struct listnode *node; | |
3956 | ||
3957 | for (ALL_LIST_ELEMENTS_RO(rfc->l2_groups, node, rfg)) { | |
3958 | if (!strcmp(rfg->name, name) && /* name match */ | |
3959 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3960 | return rfg->rfp_cfg; | |
3961 | } | |
3962 | return NULL; | |
65efcfce LB |
3963 | } |
3964 | ||
3965 | /*------------------------------------------ | |
3966 | * rfapi_rfp_get_group_config_ptr_name | |
3967 | * | |
3968 | * This is used to get group specific configuration pointer. | |
d62a17ae | 3969 | * Group is identified by type and name context. |
65efcfce LB |
3970 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, |
3971 | * bgp restart or shutdown. | |
3972 | * | |
d62a17ae | 3973 | * input: |
65efcfce LB |
3974 | * rfp_start_val value returned by rfp_start |
3975 | * type group type | |
3976 | * name group name | |
d534b16a | 3977 | * criteria RFAPI caller provided search criteria |
65efcfce LB |
3978 | * search_cb optional rfp_group_config_search_cb_t |
3979 | * | |
3980 | * output: | |
3981 | * none | |
3982 | * | |
3983 | * return value: | |
d62a17ae | 3984 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 3985 | --------------------------------------------*/ |
d62a17ae | 3986 | void *rfapi_rfp_get_group_config_ptr_name( |
3987 | void *rfp_start_val, rfapi_rfp_cfg_group_type type, const char *name, | |
3988 | void *criteria, rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3989 | { |
d62a17ae | 3990 | struct bgp *bgp; |
3991 | void *ret = NULL; | |
3992 | ||
3993 | if (rfp_start_val == NULL || name == NULL) | |
3994 | return NULL; | |
3995 | ||
3996 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
3997 | if (!bgp || !bgp->rfapi_cfg) | |
3998 | return NULL; | |
3999 | ||
4000 | switch (type) { | |
4001 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
4002 | ret = bgp->rfapi_cfg->default_rfp_cfg; | |
4003 | break; | |
4004 | case RFAPI_RFP_CFG_GROUP_NVE: | |
4005 | ret = rfapi_rfp_get_group_config_name_nve(bgp->rfapi_cfg, name, | |
4006 | criteria, search_cb); | |
4007 | break; | |
4008 | case RFAPI_RFP_CFG_GROUP_L2: | |
4009 | ret = rfapi_rfp_get_group_config_name_l2(bgp->rfapi_cfg, name, | |
4010 | criteria, search_cb); | |
4011 | break; | |
4012 | default: | |
450971aa | 4013 | flog_err(EC_LIB_DEVELOPMENT, "%s: Unknown group type=%d", |
1c50c1c0 | 4014 | __func__, type); |
d62a17ae | 4015 | /* should never happen */ |
4016 | assert("Unknown type" == NULL); | |
4017 | break; | |
4018 | } | |
4019 | return ret; | |
65efcfce LB |
4020 | } |
4021 | ||
4022 | /*------------------------------------------ | |
4023 | * rfapi_rfp_get_l2_group_config_ptr_lni | |
4024 | * | |
4025 | * This is used to get group specific configuration pointer. | |
4026 | * Group is identified by type and logical network identifier. | |
4027 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4028 | * bgp restart or shutdown. | |
4029 | * | |
d62a17ae | 4030 | * input: |
65efcfce LB |
4031 | * rfp_start_val value returned by rfp_start |
4032 | * type group type | |
4033 | * logical_net_id group logical network identifier | |
d534b16a | 4034 | * criteria RFAPI caller provided search criteria |
65efcfce LB |
4035 | * search_cb optional rfp_group_config_search_cb_t |
4036 | * | |
4037 | * output: | |
4038 | * none | |
4039 | * | |
4040 | * return value: | |
d62a17ae | 4041 | * rfp_cfg_group Pointer to configuration structure |
65efcfce LB |
4042 | --------------------------------------------*/ |
4043 | void * | |
d62a17ae | 4044 | rfapi_rfp_get_l2_group_config_ptr_lni(void *rfp_start_val, |
4045 | uint32_t logical_net_id, void *criteria, | |
4046 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 4047 | { |
d62a17ae | 4048 | struct bgp *bgp; |
4049 | struct rfapi_l2_group_cfg *rfg; | |
4050 | struct listnode *node; | |
4051 | ||
4052 | if (rfp_start_val == NULL) | |
4053 | return NULL; | |
4054 | ||
4055 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
4056 | if (!bgp || !bgp->rfapi_cfg) | |
4057 | return NULL; | |
4058 | ||
4059 | for (ALL_LIST_ELEMENTS_RO(bgp->rfapi_cfg->l2_groups, node, rfg)) { | |
4060 | if (rfg->logical_net_id == logical_net_id | |
4061 | && (search_cb == NULL | |
4062 | || !search_cb(criteria, rfg->rfp_cfg))) { | |
4063 | if (rfg->rfp_cfg == NULL) | |
4064 | vnc_zlog_debug_verbose( | |
4065 | "%s: returning rfp group config for lni=0", | |
4066 | __func__); | |
4067 | return rfg->rfp_cfg; | |
4068 | } | |
4069 | } | |
4070 | return NULL; | |
65efcfce | 4071 | } |