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Commit | Line | Data |
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d62a17ae | 1 | /* |
65efcfce LB |
2 | * |
3 | * Copyright 2009-2016, LabN Consulting, L.L.C. | |
4 | * | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
65efcfce LB |
19 | */ |
20 | ||
f8b6f499 LB |
21 | #include "lib/zebra.h" |
22 | #include "lib/prefix.h" | |
fe08ba7e | 23 | #include "lib/agg_table.h" |
f8b6f499 LB |
24 | #include "lib/vty.h" |
25 | #include "lib/memory.h" | |
26 | #include "lib/routemap.h" | |
27 | #include "lib/log.h" | |
28 | #include "lib/linklist.h" | |
29 | #include "lib/command.h" | |
30 | #include "lib/stream.h" | |
74ffbfe6 | 31 | #include "lib/ringbuf.h" |
02705213 | 32 | #include "lib/lib_errors.h" |
f8b6f499 LB |
33 | |
34 | #include "bgpd/bgpd.h" | |
35 | #include "bgpd/bgp_ecommunity.h" | |
36 | #include "bgpd/bgp_attr.h" | |
f8b6f499 LB |
37 | |
38 | #include "bgpd/rfapi/bgp_rfapi_cfg.h" | |
39 | #include "bgpd/rfapi/rfapi.h" | |
40 | #include "bgpd/rfapi/rfapi_backend.h" | |
41 | ||
42 | #include "bgpd/bgp_route.h" | |
c016b6c7 | 43 | #include "bgpd/bgp_mplsvpn.h" |
f8b6f499 LB |
44 | #include "bgpd/bgp_aspath.h" |
45 | #include "bgpd/bgp_advertise.h" | |
46 | #include "bgpd/bgp_vnc_types.h" | |
47 | #include "bgpd/bgp_zebra.h" | |
48 | ||
49 | #include "bgpd/rfapi/rfapi_import.h" | |
50 | #include "bgpd/rfapi/rfapi_private.h" | |
51 | #include "bgpd/rfapi/rfapi_monitor.h" | |
52 | #include "bgpd/rfapi/rfapi_vty.h" | |
53 | #include "bgpd/rfapi/vnc_export_bgp.h" | |
54 | #include "bgpd/rfapi/vnc_export_bgp_p.h" | |
55 | #include "bgpd/rfapi/vnc_zebra.h" | |
56 | #include "bgpd/rfapi/vnc_import_bgp.h" | |
57 | #include "bgpd/rfapi/rfapi_rib.h" | |
58 | #include "bgpd/rfapi/rfapi_ap.h" | |
59 | #include "bgpd/rfapi/rfapi_encap_tlv.h" | |
60 | #include "bgpd/rfapi/vnc_debug.h" | |
65efcfce LB |
61 | |
62 | #ifdef HAVE_GLIBC_BACKTRACE | |
63 | /* for backtrace and friends */ | |
64 | #include <execinfo.h> | |
65 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
66 | ||
d62a17ae | 67 | struct ethaddr rfapi_ethaddr0 = {{0}}; |
65efcfce LB |
68 | |
69 | #define DEBUG_RFAPI_STR "RF API debugging/testing command\n" | |
70 | ||
d62a17ae | 71 | const char *rfapi_error_str(int code) |
65efcfce | 72 | { |
d62a17ae | 73 | switch (code) { |
74 | case 0: | |
75 | return "Success"; | |
76 | case ENXIO: | |
77 | return "BGP or VNC not configured"; | |
78 | case ENOENT: | |
79 | return "No match"; | |
80 | case EEXIST: | |
81 | return "Handle already open"; | |
82 | case ENOMSG: | |
83 | return "Incomplete configuration"; | |
84 | case EAFNOSUPPORT: | |
85 | return "Invalid address family"; | |
86 | case EDEADLK: | |
87 | return "Called from within a callback procedure"; | |
88 | case EBADF: | |
89 | return "Invalid handle"; | |
90 | case EINVAL: | |
91 | return "Invalid argument"; | |
92 | case ESTALE: | |
93 | return "Stale descriptor"; | |
94 | default: | |
95 | return "Unknown error"; | |
96 | } | |
65efcfce LB |
97 | } |
98 | ||
99 | /*------------------------------------------ | |
100 | * rfapi_get_response_lifetime_default | |
101 | * | |
102 | * Returns the default lifetime for a response. | |
103 | * rfp_start_val value returned by rfp_start or | |
104 | * NULL (=use default instance) | |
105 | * | |
d62a17ae | 106 | * input: |
65efcfce LB |
107 | * None |
108 | * | |
109 | * output: | |
110 | * | |
111 | * return value: The bgp instance default lifetime for a response. | |
112 | --------------------------------------------*/ | |
d62a17ae | 113 | int rfapi_get_response_lifetime_default(void *rfp_start_val) |
65efcfce | 114 | { |
d62a17ae | 115 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
116 | if (bgp) | |
117 | return bgp->rfapi_cfg->default_response_lifetime; | |
118 | return BGP_VNC_DEFAULT_RESPONSE_LIFETIME_DEFAULT; | |
65efcfce LB |
119 | } |
120 | ||
121 | /*------------------------------------------ | |
122 | * rfapi_is_vnc_configured | |
123 | * | |
00827590 | 124 | * Returns if VNC is configured |
65efcfce | 125 | * |
d62a17ae | 126 | * input: |
65efcfce LB |
127 | * rfp_start_val value returned by rfp_start or |
128 | * NULL (=use default instance) | |
129 | * | |
130 | * output: | |
131 | * | |
132 | * return value: If VNC is configured for the bgpd instance | |
133 | * 0 Success | |
134 | * ENXIO VNC not configured | |
135 | --------------------------------------------*/ | |
d62a17ae | 136 | int rfapi_is_vnc_configured(void *rfp_start_val) |
65efcfce | 137 | { |
d62a17ae | 138 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
00827590 LB |
139 | if (bgp_rfapi_is_vnc_configured(bgp) == 0) |
140 | return 0; | |
141 | return ENXIO; | |
65efcfce LB |
142 | } |
143 | ||
144 | ||
145 | /*------------------------------------------ | |
146 | * rfapi_get_vn_addr | |
147 | * | |
148 | * Get the virtual network address used by an NVE based on it's RFD | |
149 | * | |
d62a17ae | 150 | * input: |
65efcfce LB |
151 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic |
152 | * | |
153 | * output: | |
154 | * | |
d62a17ae | 155 | * return value: |
65efcfce LB |
156 | * vn NVE virtual network address |
157 | *------------------------------------------*/ | |
d62a17ae | 158 | struct rfapi_ip_addr *rfapi_get_vn_addr(void *rfd) |
65efcfce | 159 | { |
d62a17ae | 160 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; |
161 | return &rrfd->vn_addr; | |
65efcfce LB |
162 | } |
163 | ||
164 | /*------------------------------------------ | |
165 | * rfapi_get_un_addr | |
166 | * | |
167 | * Get the underlay network address used by an NVE based on it's RFD | |
168 | * | |
d62a17ae | 169 | * input: |
65efcfce LB |
170 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic |
171 | * | |
172 | * output: | |
173 | * | |
d62a17ae | 174 | * return value: |
65efcfce LB |
175 | * un NVE underlay network address |
176 | *------------------------------------------*/ | |
d62a17ae | 177 | struct rfapi_ip_addr *rfapi_get_un_addr(void *rfd) |
65efcfce | 178 | { |
d62a17ae | 179 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; |
180 | return &rrfd->un_addr; | |
65efcfce LB |
181 | } |
182 | ||
d62a17ae | 183 | int rfapi_ip_addr_cmp(struct rfapi_ip_addr *a1, struct rfapi_ip_addr *a2) |
65efcfce | 184 | { |
d62a17ae | 185 | if (a1->addr_family != a2->addr_family) |
186 | return a1->addr_family - a2->addr_family; | |
65efcfce | 187 | |
d62a17ae | 188 | if (a1->addr_family == AF_INET) { |
189 | return IPV4_ADDR_CMP(&a1->addr.v4, &a2->addr.v4); | |
190 | } | |
65efcfce | 191 | |
d62a17ae | 192 | if (a1->addr_family == AF_INET6) { |
193 | return IPV6_ADDR_CMP(&a1->addr.v6, &a2->addr.v6); | |
194 | } | |
65efcfce | 195 | |
d62a17ae | 196 | assert(1); |
197 | /* NOTREACHED */ | |
198 | return 1; | |
65efcfce LB |
199 | } |
200 | ||
d62a17ae | 201 | static int rfapi_find_node(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
202 | struct rfapi_ip_addr *un_addr, | |
fe08ba7e | 203 | struct agg_node **node) |
65efcfce | 204 | { |
d62a17ae | 205 | struct rfapi *h; |
206 | struct prefix p; | |
fe08ba7e | 207 | struct agg_node *rn; |
d62a17ae | 208 | int rc; |
e7038dde | 209 | afi_t afi; |
65efcfce | 210 | |
d62a17ae | 211 | if (!bgp) { |
212 | return ENXIO; | |
213 | } | |
65efcfce | 214 | |
d62a17ae | 215 | h = bgp->rfapi; |
216 | if (!h) { | |
217 | return ENXIO; | |
218 | } | |
65efcfce | 219 | |
d62a17ae | 220 | afi = family2afi(un_addr->addr_family); |
221 | if (!afi) { | |
222 | return EAFNOSUPPORT; | |
223 | } | |
65efcfce | 224 | |
d62a17ae | 225 | if ((rc = rfapiRaddr2Qprefix(un_addr, &p))) |
226 | return rc; | |
65efcfce | 227 | |
fe08ba7e | 228 | rn = agg_node_lookup(h->un[afi], &p); |
65efcfce | 229 | |
d62a17ae | 230 | if (!rn) |
231 | return ENOENT; | |
65efcfce | 232 | |
fe08ba7e | 233 | agg_unlock_node(rn); |
65efcfce | 234 | |
d62a17ae | 235 | *node = rn; |
65efcfce | 236 | |
d62a17ae | 237 | return 0; |
65efcfce LB |
238 | } |
239 | ||
240 | ||
d62a17ae | 241 | int rfapi_find_rfd(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
242 | struct rfapi_ip_addr *un_addr, struct rfapi_descriptor **rfd) | |
65efcfce | 243 | { |
fe08ba7e | 244 | struct agg_node *rn; |
d62a17ae | 245 | int rc; |
65efcfce | 246 | |
d62a17ae | 247 | rc = rfapi_find_node(bgp, vn_addr, un_addr, &rn); |
65efcfce | 248 | |
d62a17ae | 249 | if (rc) |
250 | return rc; | |
65efcfce | 251 | |
d62a17ae | 252 | for (*rfd = (struct rfapi_descriptor *)(rn->info); *rfd; |
253 | *rfd = (*rfd)->next) { | |
254 | if (!rfapi_ip_addr_cmp(&(*rfd)->vn_addr, vn_addr)) | |
255 | break; | |
256 | } | |
65efcfce | 257 | |
d62a17ae | 258 | if (!*rfd) |
259 | return ENOENT; | |
65efcfce | 260 | |
d62a17ae | 261 | return 0; |
65efcfce LB |
262 | } |
263 | ||
264 | /*------------------------------------------ | |
265 | * rfapi_find_handle | |
266 | * | |
d62a17ae | 267 | * input: |
65efcfce LB |
268 | * un underlay network address |
269 | * vn virtual network address | |
270 | * | |
271 | * output: | |
272 | * pHandle pointer to location to store handle | |
273 | * | |
d62a17ae | 274 | * return value: |
65efcfce LB |
275 | * 0 Success |
276 | * ENOENT no matching handle | |
277 | * ENXIO BGP or VNC not configured | |
278 | *------------------------------------------*/ | |
d62a17ae | 279 | static int rfapi_find_handle(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
280 | struct rfapi_ip_addr *un_addr, | |
281 | rfapi_handle *handle) | |
65efcfce | 282 | { |
d62a17ae | 283 | struct rfapi_descriptor **rfd; |
65efcfce | 284 | |
d62a17ae | 285 | rfd = (struct rfapi_descriptor **)handle; |
65efcfce | 286 | |
d62a17ae | 287 | return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); |
65efcfce LB |
288 | } |
289 | ||
d62a17ae | 290 | static int rfapi_find_handle_vty(struct vty *vty, struct rfapi_ip_addr *vn_addr, |
291 | struct rfapi_ip_addr *un_addr, | |
292 | rfapi_handle *handle) | |
65efcfce | 293 | { |
d62a17ae | 294 | struct bgp *bgp; |
295 | struct rfapi_descriptor **rfd; | |
65efcfce | 296 | |
d62a17ae | 297 | bgp = bgp_get_default(); /* assume 1 instance for now */ |
65efcfce | 298 | |
d62a17ae | 299 | rfd = (struct rfapi_descriptor **)handle; |
65efcfce | 300 | |
d62a17ae | 301 | return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); |
65efcfce LB |
302 | } |
303 | ||
d62a17ae | 304 | static int is_valid_rfd(struct rfapi_descriptor *rfd) |
65efcfce | 305 | { |
d62a17ae | 306 | rfapi_handle hh; |
65efcfce | 307 | |
d62a17ae | 308 | if (!rfd || rfd->bgp == NULL) |
309 | return 0; | |
65efcfce | 310 | |
d62a17ae | 311 | if (CHECK_FLAG( |
312 | rfd->flags, | |
313 | RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ | |
314 | return 1; | |
5ff06872 | 315 | |
d62a17ae | 316 | if (rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh)) |
317 | return 0; | |
65efcfce | 318 | |
d62a17ae | 319 | if (rfd != hh) |
320 | return 0; | |
65efcfce | 321 | |
d62a17ae | 322 | return 1; |
65efcfce LB |
323 | } |
324 | ||
325 | /* | |
326 | * check status of descriptor | |
327 | */ | |
d62a17ae | 328 | int rfapi_check(void *handle) |
65efcfce | 329 | { |
d62a17ae | 330 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
331 | rfapi_handle hh; | |
332 | int rc; | |
65efcfce | 333 | |
d62a17ae | 334 | if (!rfd || rfd->bgp == NULL) |
335 | return EINVAL; | |
65efcfce | 336 | |
d62a17ae | 337 | if (CHECK_FLAG( |
338 | rfd->flags, | |
339 | RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ | |
340 | return 0; | |
5ff06872 | 341 | |
d62a17ae | 342 | if ((rc = rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, |
343 | &hh))) | |
344 | return rc; | |
65efcfce | 345 | |
d62a17ae | 346 | if (rfd != hh) |
347 | return ENOENT; | |
65efcfce | 348 | |
d62a17ae | 349 | if (!rfd->rfg) |
350 | return ESTALE; | |
65efcfce | 351 | |
d62a17ae | 352 | return 0; |
65efcfce LB |
353 | } |
354 | ||
355 | ||
d62a17ae | 356 | void del_vnc_route(struct rfapi_descriptor *rfd, |
357 | struct peer *peer, /* rfd->peer for RFP regs */ | |
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 | ||
630 | bgp_attr_default_set(&attr, BGP_ORIGIN_INCOMPLETE); | |
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 | assert(encaptlv); |
725 | encaptlv->type = | |
726 | BGP_VNC_SUBTLV_TYPE_LIFETIME; /* prefix lifetime */ | |
727 | encaptlv->length = 4; | |
728 | lt = htonl(*lifetime); | |
729 | memcpy(encaptlv->value, <, 4); | |
91ebf12c | 730 | bgp_attr_set_vnc_subtlvs(&attr, encaptlv); |
d62a17ae | 731 | vnc_zlog_debug_verbose( |
732 | "%s: set Encap Attr Prefix Lifetime to %d", __func__, | |
733 | *lifetime); | |
734 | } | |
735 | ||
736 | /* add rfp options to vnc attr */ | |
737 | if (rfp_options) { | |
738 | ||
739 | if (flags & RFAPI_AHR_RFPOPT_IS_VNCTLV) { | |
91ebf12c DS |
740 | struct bgp_attr_encap_subtlv *vnc_subtlvs = |
741 | bgp_attr_get_vnc_subtlvs(&attr); | |
d62a17ae | 742 | /* |
743 | * this flag means we're passing a pointer to an | |
744 | * existing encap tlv chain which we should copy. | |
745 | * It's a hack to avoid adding yet another argument | |
746 | * to add_vnc_route() | |
747 | */ | |
748 | encaptlv = encap_tlv_dup( | |
749 | (struct bgp_attr_encap_subtlv *)rfp_options); | |
91ebf12c DS |
750 | if (vnc_subtlvs) |
751 | vnc_subtlvs->next = encaptlv; | |
752 | else | |
753 | bgp_attr_set_vnc_subtlvs(&attr, encaptlv); | |
d62a17ae | 754 | } else { |
755 | struct bgp_tea_options *hop; | |
756 | /* XXX max of one tlv present so far from above code */ | |
91ebf12c DS |
757 | struct bgp_attr_encap_subtlv *tail = |
758 | bgp_attr_get_vnc_subtlvs(&attr); | |
d62a17ae | 759 | |
760 | for (hop = rfp_options; hop; hop = hop->next) { | |
761 | ||
762 | /* | |
763 | * Construct subtlv | |
764 | */ | |
765 | encaptlv = XCALLOC( | |
766 | MTYPE_ENCAP_TLV, | |
996c9314 LB |
767 | sizeof(struct bgp_attr_encap_subtlv) + 2 |
768 | + hop->length); | |
d62a17ae | 769 | assert(encaptlv); |
770 | encaptlv->type = | |
771 | BGP_VNC_SUBTLV_TYPE_RFPOPTION; /* RFP | |
772 | option | |
773 | */ | |
774 | encaptlv->length = 2 + hop->length; | |
775 | *((uint8_t *)(encaptlv->value) + 0) = hop->type; | |
776 | *((uint8_t *)(encaptlv->value) + 1) = | |
777 | hop->length; | |
778 | memcpy(((uint8_t *)encaptlv->value) + 2, | |
779 | hop->value, hop->length); | |
780 | ||
781 | /* | |
782 | * add to end of subtlv chain | |
783 | */ | |
91ebf12c | 784 | if (tail) |
d62a17ae | 785 | tail->next = encaptlv; |
91ebf12c DS |
786 | else |
787 | bgp_attr_set_vnc_subtlvs(&attr, | |
788 | encaptlv); | |
d62a17ae | 789 | tail = encaptlv; |
790 | } | |
791 | } | |
792 | } | |
793 | ||
794 | /* | |
795 | * At this point: | |
796 | * attr: static | |
797 | * extra: dynamically allocated, owned by attr | |
798 | * vnc_subtlvs: dynamic chain, length 1 | |
799 | * aspath: points to interned hash from aspath hash table | |
800 | */ | |
801 | ||
802 | ||
803 | attr.ecommunity = ecommunity_new(); | |
804 | assert(attr.ecommunity); | |
805 | ||
806 | if (TunnelType != BGP_ENCAP_TYPE_MPLS | |
807 | && TunnelType != BGP_ENCAP_TYPE_RESERVED) { | |
808 | /* | |
809 | * Add BGP Encapsulation Extended Community. Format described in | |
810 | * section 4.5 of RFC 5512. | |
811 | * Always include when not MPLS type, to disambiguate this case. | |
812 | */ | |
813 | struct ecommunity_val beec; | |
814 | ||
815 | memset(&beec, 0, sizeof(beec)); | |
816 | beec.val[0] = ECOMMUNITY_ENCODE_OPAQUE; | |
817 | beec.val[1] = ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP; | |
818 | beec.val[6] = ((TunnelType) >> 8) & 0xff; | |
819 | beec.val[7] = (TunnelType)&0xff; | |
1207a5bc | 820 | ecommunity_add_val(attr.ecommunity, &beec, false, false); |
d62a17ae | 821 | } |
822 | ||
823 | /* | |
824 | * Add extended community attributes to match rt export list | |
825 | */ | |
826 | if (rt_export_list) { | |
827 | attr.ecommunity = | |
828 | ecommunity_merge(attr.ecommunity, rt_export_list); | |
829 | } | |
830 | ||
831 | if (attr.ecommunity->size) { | |
832 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES); | |
833 | } else { | |
834 | ecommunity_free(&attr.ecommunity); | |
835 | attr.ecommunity = NULL; | |
836 | } | |
837 | vnc_zlog_debug_verbose("%s: attr.ecommunity=%p", __func__, | |
838 | attr.ecommunity); | |
839 | ||
840 | ||
841 | /* | |
842 | * At this point: | |
843 | * attr: static | |
844 | * extra: dynamically allocated, owned by attr | |
845 | * vnc_subtlvs: dynamic chain, length 1 | |
846 | * ecommunity: dynamic 2-part | |
847 | * aspath: points to interned hash from aspath hash table | |
848 | */ | |
849 | ||
850 | /* stuff nexthop in attr_extra; which field depends on IPv4 or IPv6 */ | |
851 | switch (nexthop->addr_family) { | |
852 | case AF_INET: | |
853 | /* | |
854 | * set this field to prevent bgp_route.c code from setting | |
855 | * mp_nexthop_global_in to self | |
856 | */ | |
857 | attr.nexthop.s_addr = nexthop->addr.v4.s_addr; | |
858 | ||
859 | attr.mp_nexthop_global_in = nexthop->addr.v4; | |
0606039c | 860 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV4; |
d62a17ae | 861 | break; |
862 | ||
863 | case AF_INET6: | |
864 | attr.mp_nexthop_global = nexthop->addr.v6; | |
0606039c | 865 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; |
d62a17ae | 866 | break; |
867 | ||
868 | default: | |
869 | assert(0); | |
870 | } | |
871 | ||
872 | ||
872ed4c7 | 873 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 874 | |
875 | /* | |
876 | * At this point: | |
877 | * | |
878 | * attr: static | |
879 | * extra: dynamically allocated, owned by attr | |
880 | * vnc_subtlvs: dynamic chain, length 1 | |
881 | * ecommunity: dynamic 2-part | |
882 | * aspath: points to interned hash from aspath hash table | |
883 | */ | |
884 | ||
2fcdb1b2 | 885 | red = bgp_redist_lookup(bgp, afi, type, 0); |
d62a17ae | 886 | |
887 | if (red && red->redist_metric_flag) { | |
888 | attr.med = red->redist_metric; | |
889 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
890 | } | |
891 | ||
892 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
893 | ||
894 | /* | |
895 | * bgp_attr_intern creates a new reference to a cached | |
896 | * attribute, but leaves the following bits of trash: | |
897 | * - old attr | |
898 | * - old attr->extra (free via bgp_attr_extra_free(attr)) | |
899 | * | |
900 | * Note that it frees the original attr->extra->ecommunity | |
901 | * but leaves the new attribute pointing to the ORIGINAL | |
902 | * vnc options (which therefore we needn't free from the | |
903 | * static attr) | |
904 | */ | |
905 | new_attr = bgp_attr_intern(&attr); | |
906 | ||
907 | aspath_unintern(&attr.aspath); /* Unintern original. */ | |
908 | ||
909 | /* | |
910 | * At this point: | |
911 | * | |
912 | * attr: static | |
913 | * extra: dynamically allocated, owned by attr | |
914 | * vnc_subtlvs: dynamic chain, length 1 | |
915 | * ecommunity: POINTS TO INTERNED ecom, THIS REF NOT COUNTED | |
916 | * | |
917 | * new_attr: an attr that is part of the hash table, distinct | |
918 | * from attr which is static. | |
919 | * extra: dynamically allocated, owned by new_attr (in hash table) | |
920 | * vnc_subtlvs: POINTS TO SAME dynamic chain AS attr | |
921 | * ecommunity: POINTS TO interned/refcounted dynamic 2-part AS attr | |
922 | * aspath: POINTS TO interned/refcounted hashed block | |
923 | */ | |
9bcb3eef | 924 | for (bpi = bgp_dest_get_bgp_path_info(bn); bpi; bpi = bpi->next) { |
d62a17ae | 925 | /* probably only need to check |
40381db7 DS |
926 | * bpi->extra->vnc.export.rfapi_handle */ |
927 | if (bpi->peer == rfd->peer && bpi->type == type | |
928 | && bpi->sub_type == sub_type && bpi->extra | |
929 | && bpi->extra->vnc.export.rfapi_handle == (void *)rfd) { | |
d62a17ae | 930 | |
931 | break; | |
932 | } | |
933 | } | |
934 | ||
40381db7 | 935 | if (bpi) { |
d62a17ae | 936 | |
937 | /* | |
938 | * Adding new local_nexthop, which does not by itself change | |
939 | * what is advertised via BGP | |
940 | */ | |
941 | if (lnh) { | |
40381db7 | 942 | if (!bpi->extra->vnc.export.local_nexthops) { |
d62a17ae | 943 | /* TBD make arrangements to free when needed */ |
40381db7 | 944 | bpi->extra->vnc.export.local_nexthops = |
d62a17ae | 945 | list_new(); |
40381db7 | 946 | bpi->extra->vnc.export.local_nexthops->del = |
d62a17ae | 947 | rfapi_nexthop_free; |
948 | } | |
949 | ||
950 | /* | |
951 | * already present? | |
952 | */ | |
953 | struct listnode *node; | |
954 | struct rfapi_nexthop *pLnh = NULL; | |
955 | ||
956 | for (ALL_LIST_ELEMENTS_RO( | |
40381db7 DS |
957 | bpi->extra->vnc.export.local_nexthops, |
958 | node, pLnh)) { | |
d62a17ae | 959 | |
960 | if (prefix_same(&pLnh->addr, &lnh->addr)) { | |
961 | break; | |
962 | } | |
963 | } | |
964 | ||
965 | /* | |
966 | * Not present, add new one | |
967 | */ | |
968 | if (!pLnh) { | |
969 | pLnh = rfapi_nexthop_new(lnh); | |
970 | listnode_add( | |
40381db7 | 971 | bpi->extra->vnc.export.local_nexthops, |
d62a17ae | 972 | pLnh); |
973 | } | |
974 | } | |
975 | ||
40381db7 DS |
976 | if (attrhash_cmp(bpi->attr, new_attr) |
977 | && !CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 978 | bgp_attr_unintern(&new_attr); |
9bcb3eef | 979 | bgp_dest_unlock_node(bn); |
d62a17ae | 980 | |
981 | vnc_zlog_debug_any( | |
982 | "%s: Found route (safi=%d) at prefix %s, no change", | |
983 | __func__, safi, buf); | |
984 | ||
985 | goto done; | |
986 | } else { | |
987 | /* The attribute is changed. */ | |
40381db7 | 988 | bgp_path_info_set_flag(bn, bpi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 989 | |
990 | if (safi == SAFI_MPLS_VPN) { | |
9bcb3eef | 991 | struct bgp_dest *pdest = NULL; |
d62a17ae | 992 | struct bgp_table *table = NULL; |
993 | ||
9bcb3eef DS |
994 | pdest = bgp_node_get(bgp->rib[afi][safi], |
995 | (struct prefix *)prd); | |
996 | table = bgp_dest_get_bgp_table_info(pdest); | |
67009e22 | 997 | if (table) |
d62a17ae | 998 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( |
40381db7 | 999 | bgp, prd, table, p, bpi); |
9bcb3eef | 1000 | bgp_dest_unlock_node(pdest); |
d62a17ae | 1001 | } |
1002 | ||
1003 | /* Rewrite BGP route information. */ | |
40381db7 DS |
1004 | if (CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) |
1005 | bgp_path_info_restore(bn, bpi); | |
d62a17ae | 1006 | else |
40381db7 DS |
1007 | bgp_aggregate_decrement(bgp, p, bpi, afi, safi); |
1008 | bgp_attr_unintern(&bpi->attr); | |
1009 | bpi->attr = new_attr; | |
1010 | bpi->uptime = bgp_clock(); | |
d62a17ae | 1011 | |
1012 | ||
1013 | if (safi == SAFI_MPLS_VPN) { | |
9bcb3eef | 1014 | struct bgp_dest *pdest = NULL; |
d62a17ae | 1015 | struct bgp_table *table = NULL; |
1016 | ||
9bcb3eef DS |
1017 | pdest = bgp_node_get(bgp->rib[afi][safi], |
1018 | (struct prefix *)prd); | |
1019 | table = bgp_dest_get_bgp_table_info(pdest); | |
67009e22 | 1020 | if (table) |
d62a17ae | 1021 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( |
40381db7 | 1022 | bgp, prd, table, p, bpi); |
9bcb3eef | 1023 | bgp_dest_unlock_node(pdest); |
d62a17ae | 1024 | } |
1025 | ||
1026 | /* Process change. */ | |
40381db7 | 1027 | bgp_aggregate_increment(bgp, p, bpi, afi, safi); |
d62a17ae | 1028 | bgp_process(bgp, bn, afi, safi); |
9bcb3eef | 1029 | bgp_dest_unlock_node(bn); |
d62a17ae | 1030 | |
1031 | vnc_zlog_debug_any( | |
1032 | "%s: Found route (safi=%d) at prefix %s, changed attr", | |
1033 | __func__, safi, buf); | |
1034 | ||
1035 | goto done; | |
1036 | } | |
1037 | } | |
1038 | ||
9591da26 | 1039 | new = info_make(type, sub_type, 0, rfd->peer, new_attr, NULL); |
1defdda8 | 1040 | SET_FLAG(new->flags, BGP_PATH_VALID); |
d62a17ae | 1041 | |
1042 | /* save backref to rfapi handle */ | |
18ee8310 | 1043 | assert(bgp_path_info_extra_get(new)); |
d62a17ae | 1044 | new->extra->vnc.export.rfapi_handle = (void *)rfd; |
317f1fe0 | 1045 | encode_label(label_val, &new->extra->label[0]); |
d62a17ae | 1046 | |
1047 | /* debug */ | |
1048 | ||
1049 | if (VNC_DEBUG(VERBOSE)) { | |
6f94b685 | 1050 | vnc_zlog_debug_verbose("%s: printing BPI", __func__); |
d62a17ae | 1051 | rfapiPrintBi(NULL, new); |
1052 | } | |
1053 | ||
1054 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
18ee8310 | 1055 | bgp_path_info_add(bn, new); |
d62a17ae | 1056 | |
1057 | if (safi == SAFI_MPLS_VPN) { | |
9bcb3eef | 1058 | struct bgp_dest *pdest = NULL; |
d62a17ae | 1059 | struct bgp_table *table = NULL; |
1060 | ||
9bcb3eef DS |
1061 | pdest = bgp_node_get(bgp->rib[afi][safi], (struct prefix *)prd); |
1062 | table = bgp_dest_get_bgp_table_info(pdest); | |
67009e22 | 1063 | if (table) |
d62a17ae | 1064 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( |
1065 | bgp, prd, table, p, new); | |
9bcb3eef | 1066 | bgp_dest_unlock_node(pdest); |
d62a17ae | 1067 | encode_label(label_val, &bn->local_label); |
1068 | } | |
1069 | ||
9bcb3eef | 1070 | bgp_dest_unlock_node(bn); |
d62a17ae | 1071 | bgp_process(bgp, bn, afi, safi); |
1072 | ||
1073 | vnc_zlog_debug_any( | |
1074 | "%s: Added route (safi=%s) at prefix %s (bn=%p, prd=%s)", | |
1075 | __func__, safi2str(safi), buf, bn, buf2); | |
65efcfce LB |
1076 | |
1077 | done: | |
d62a17ae | 1078 | /* Loop back to import tables */ |
1079 | rfapiProcessUpdate(rfd->peer, rfd, p, prd, new_attr, afi, safi, type, | |
1080 | sub_type, &label_val); | |
1081 | vnc_zlog_debug_verbose("%s: looped back import route (safi=%d)", | |
1082 | __func__, safi); | |
65efcfce LB |
1083 | } |
1084 | ||
d62a17ae | 1085 | uint32_t rfp_cost_to_localpref(uint8_t cost) |
65efcfce | 1086 | { |
d62a17ae | 1087 | return 255 - cost; |
65efcfce LB |
1088 | } |
1089 | ||
d62a17ae | 1090 | static void rfapiTunnelRouteAnnounce(struct bgp *bgp, |
1091 | struct rfapi_descriptor *rfd, | |
1092 | uint32_t *pLifetime) | |
65efcfce | 1093 | { |
d62a17ae | 1094 | struct prefix_rd prd; |
1095 | struct prefix pfx_vn; | |
1096 | int rc; | |
1097 | uint32_t local_pref = rfp_cost_to_localpref(0); | |
1098 | ||
1099 | rc = rfapiRaddr2Qprefix(&(rfd->vn_addr), &pfx_vn); | |
1100 | assert(!rc); | |
1101 | ||
1102 | /* | |
1103 | * Construct route distinguisher = 0 | |
1104 | */ | |
1105 | memset(&prd, 0, sizeof(prd)); | |
1106 | prd.family = AF_UNSPEC; | |
1107 | prd.prefixlen = 64; | |
1108 | ||
1109 | add_vnc_route(rfd, /* rfapi descr, for export list & backref */ | |
1110 | bgp, /* which bgp instance */ | |
1111 | SAFI_ENCAP, /* which SAFI */ | |
1112 | &pfx_vn, /* prefix to advertise */ | |
1113 | &prd, /* route distinguisher to use */ | |
1114 | &rfd->un_addr, /* nexthop */ | |
1115 | &local_pref, | |
1116 | pLifetime, /* max lifetime of child VPN routes */ | |
1117 | NULL, /* no rfp options for ENCAP safi */ | |
1118 | NULL, /* rfp un options */ | |
1119 | NULL, /* rfp vn options */ | |
1120 | rfd->rt_export_list, NULL, /* med */ | |
1121 | NULL, /* label: default */ | |
1122 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
65efcfce LB |
1123 | } |
1124 | ||
1125 | ||
1126 | /*********************************************************************** | |
1127 | * RFP processing behavior configuration | |
1128 | ***********************************************************************/ | |
1129 | ||
1130 | /*------------------------------------------ | |
1131 | * rfapi_rfp_set_configuration | |
1132 | * | |
d62a17ae | 1133 | * This is used to change rfapi's processing behavior based on |
1134 | * RFP requirements. | |
65efcfce | 1135 | * |
d62a17ae | 1136 | * input: |
65efcfce LB |
1137 | * rfp_start_val value returned by rfp_start |
1138 | * rfapi_rfp_cfg Pointer to configuration structure | |
1139 | * | |
1140 | * output: | |
1141 | * none | |
1142 | * | |
d62a17ae | 1143 | * return value: |
65efcfce LB |
1144 | * 0 Success |
1145 | * ENXIO Unabled to locate configured BGP/VNC | |
1146 | --------------------------------------------*/ | |
d62a17ae | 1147 | int rfapi_rfp_set_configuration(void *rfp_start_val, struct rfapi_rfp_cfg *new) |
65efcfce | 1148 | { |
d62a17ae | 1149 | struct rfapi_rfp_cfg *rcfg; |
1150 | struct bgp *bgp; | |
1151 | ||
1152 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1153 | ||
1154 | if (!new || !bgp || !bgp->rfapi_cfg) | |
1155 | return ENXIO; | |
1156 | ||
1157 | rcfg = &bgp->rfapi_cfg->rfp_cfg; | |
1158 | rcfg->download_type = new->download_type; | |
1159 | rcfg->ftd_advertisement_interval = new->ftd_advertisement_interval; | |
1160 | rcfg->holddown_factor = new->holddown_factor; | |
1161 | ||
1162 | if (rcfg->use_updated_response != new->use_updated_response) { | |
1163 | rcfg->use_updated_response = new->use_updated_response; | |
1164 | if (rcfg->use_updated_response) | |
1165 | rfapiMonitorCallbacksOn(bgp); | |
1166 | else | |
1167 | rfapiMonitorCallbacksOff(bgp); | |
1168 | } | |
1169 | if (rcfg->use_removes != new->use_removes) { | |
1170 | rcfg->use_removes = new->use_removes; | |
1171 | if (rcfg->use_removes) | |
1172 | rfapiMonitorResponseRemovalOn(bgp); | |
1173 | else | |
1174 | rfapiMonitorResponseRemovalOff(bgp); | |
1175 | } | |
1176 | return 0; | |
65efcfce LB |
1177 | } |
1178 | ||
1179 | /*------------------------------------------ | |
1180 | * rfapi_rfp_set_cb_methods | |
1181 | * | |
d62a17ae | 1182 | * Change registered callback functions for asynchronous notifications |
65efcfce LB |
1183 | * from RFAPI to the RFP client. |
1184 | * | |
d62a17ae | 1185 | * input: |
65efcfce LB |
1186 | * rfp_start_val value returned by rfp_start |
1187 | * methods Pointer to struct rfapi_rfp_cb_methods containing | |
1188 | * pointers to callback methods as described above | |
1189 | * | |
d62a17ae | 1190 | * return value: |
65efcfce LB |
1191 | * 0 Success |
1192 | * ENXIO BGP or VNC not configured | |
1193 | *------------------------------------------*/ | |
d62a17ae | 1194 | int rfapi_rfp_set_cb_methods(void *rfp_start_val, |
1195 | struct rfapi_rfp_cb_methods *methods) | |
65efcfce | 1196 | { |
d62a17ae | 1197 | struct rfapi *h; |
1198 | struct bgp *bgp; | |
65efcfce | 1199 | |
d62a17ae | 1200 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
1201 | if (!bgp) | |
1202 | return ENXIO; | |
65efcfce | 1203 | |
d62a17ae | 1204 | h = bgp->rfapi; |
1205 | if (!h) | |
1206 | return ENXIO; | |
65efcfce | 1207 | |
d62a17ae | 1208 | h->rfp_methods = *methods; |
65efcfce | 1209 | |
d62a17ae | 1210 | return 0; |
65efcfce LB |
1211 | } |
1212 | ||
1213 | /*********************************************************************** | |
1214 | * NVE Sessions | |
1215 | ***********************************************************************/ | |
65efcfce LB |
1216 | /* |
1217 | * Caller must supply an already-allocated rfd with the "caller" | |
1218 | * fields already set (vn_addr, un_addr, callback, cookie) | |
1219 | * The advertised_prefixes[] array elements should be NULL to | |
1220 | * have this function set them to newly-allocated radix trees. | |
1221 | */ | |
d62a17ae | 1222 | static int rfapi_open_inner(struct rfapi_descriptor *rfd, struct bgp *bgp, |
1223 | struct rfapi *h, struct rfapi_nve_group_cfg *rfg) | |
65efcfce | 1224 | { |
d62a17ae | 1225 | int ret; |
1226 | ||
1227 | if (h->flags & RFAPI_INCALLBACK) | |
1228 | return EDEADLK; | |
1229 | ||
1230 | /* | |
1231 | * Fill in configured fields | |
1232 | */ | |
1233 | ||
1234 | /* | |
1235 | * If group's RD is specified as "auto", then fill in based | |
1236 | * on NVE's VN address | |
1237 | */ | |
1238 | rfd->rd = rfg->rd; | |
1239 | ||
1240 | if (rfd->rd.family == AF_UNIX) { | |
1241 | ret = rfapi_set_autord_from_vn(&rfd->rd, &rfd->vn_addr); | |
1242 | if (ret != 0) | |
1243 | return ret; | |
1244 | } | |
1245 | rfd->rt_export_list = (rfg->rt_export_list) | |
1246 | ? ecommunity_dup(rfg->rt_export_list) | |
1247 | : NULL; | |
1248 | rfd->response_lifetime = rfg->response_lifetime; | |
1249 | rfd->rfg = rfg; | |
1250 | ||
1251 | /* | |
1252 | * Fill in BGP peer structure | |
1253 | */ | |
1254 | rfd->peer = peer_new(bgp); | |
1255 | rfd->peer->status = Established; /* keep bgp core happy */ | |
1256 | bgp_sync_delete(rfd->peer); /* don't need these */ | |
424ab01d | 1257 | |
becedef6 QY |
1258 | /* |
1259 | * since this peer is not on the I/O thread, this lock is not strictly | |
1260 | * necessary, but serves as a reminder to those who may meddle... | |
1261 | */ | |
00dffa8c | 1262 | frr_with_mutex(&rfd->peer->io_mtx) { |
424ab01d QY |
1263 | // we don't need any I/O related facilities |
1264 | if (rfd->peer->ibuf) | |
1265 | stream_fifo_free(rfd->peer->ibuf); | |
1266 | if (rfd->peer->obuf) | |
1267 | stream_fifo_free(rfd->peer->obuf); | |
1268 | ||
1269 | if (rfd->peer->ibuf_work) | |
74ffbfe6 | 1270 | ringbuf_del(rfd->peer->ibuf_work); |
424ab01d QY |
1271 | if (rfd->peer->obuf_work) |
1272 | stream_free(rfd->peer->obuf_work); | |
1273 | ||
d62a17ae | 1274 | rfd->peer->ibuf = NULL; |
d62a17ae | 1275 | rfd->peer->obuf = NULL; |
424ab01d QY |
1276 | rfd->peer->obuf_work = NULL; |
1277 | rfd->peer->ibuf_work = NULL; | |
d62a17ae | 1278 | } |
424ab01d | 1279 | |
d62a17ae | 1280 | { /* base code assumes have valid host pointer */ |
1281 | char buf[BUFSIZ]; | |
1282 | buf[0] = 0; | |
1283 | ||
1284 | if (rfd->vn_addr.addr_family == AF_INET) { | |
1285 | inet_ntop(AF_INET, &rfd->vn_addr.addr.v4, buf, BUFSIZ); | |
1286 | } else if (rfd->vn_addr.addr_family == AF_INET6) { | |
1287 | inet_ntop(AF_INET6, &rfd->vn_addr.addr.v6, buf, BUFSIZ); | |
1288 | } | |
1289 | rfd->peer->host = XSTRDUP(MTYPE_BGP_PEER_HOST, buf); | |
1290 | } | |
1291 | /* Mark peer as belonging to HD */ | |
1292 | SET_FLAG(rfd->peer->flags, PEER_FLAG_IS_RFAPI_HD); | |
1293 | ||
1294 | /* | |
1295 | * Set min prefix lifetime to max value so it will get set | |
1296 | * upon first rfapi_register() | |
1297 | */ | |
1298 | rfd->min_prefix_lifetime = UINT32_MAX; | |
65efcfce | 1299 | |
d62a17ae | 1300 | /* |
1301 | * Allocate response tables if needed | |
1302 | */ | |
1303 | #define RFD_RTINIT_AFI(rh, ary, afi) \ | |
1304 | do { \ | |
1305 | if (!ary[afi]) { \ | |
fe08ba7e DS |
1306 | ary[afi] = agg_table_init(); \ |
1307 | agg_set_table_info(ary[afi], rh); \ | |
d62a17ae | 1308 | } \ |
1309 | } while (0) | |
1310 | ||
1311 | #define RFD_RTINIT(rh, ary) \ | |
1312 | do { \ | |
1313 | RFD_RTINIT_AFI(rh, ary, AFI_IP); \ | |
1314 | RFD_RTINIT_AFI(rh, ary, AFI_IP6); \ | |
1315 | RFD_RTINIT_AFI(rh, ary, AFI_L2VPN); \ | |
1316 | } while (0) | |
1317 | ||
1318 | RFD_RTINIT(rfd, rfd->rib); | |
1319 | RFD_RTINIT(rfd, rfd->rib_pending); | |
1320 | RFD_RTINIT(rfd, rfd->rsp_times); | |
1321 | ||
1322 | /* | |
1323 | * Link to Import Table | |
1324 | */ | |
1325 | rfd->import_table = rfg->rfapi_import_table; | |
1326 | rfd->import_table->refcount += 1; | |
1327 | ||
1328 | rfapiApInit(&rfd->advertised); | |
1329 | ||
1330 | /* | |
1331 | * add this NVE descriptor to the list of NVEs in the NVE group | |
1332 | */ | |
1333 | if (!rfg->nves) { | |
1334 | rfg->nves = list_new(); | |
1335 | } | |
1336 | listnode_add(rfg->nves, rfd); | |
1337 | ||
1338 | vnc_direct_bgp_add_nve(bgp, rfd); | |
1339 | vnc_zebra_add_nve(bgp, rfd); | |
1340 | ||
1341 | return 0; | |
1342 | } | |
65efcfce | 1343 | |
d62a17ae | 1344 | /* moved from rfapi_register */ |
1345 | int rfapi_init_and_open(struct bgp *bgp, struct rfapi_descriptor *rfd, | |
1346 | struct rfapi_nve_group_cfg *rfg) | |
1347 | { | |
1348 | struct rfapi *h = bgp->rfapi; | |
1349 | char buf_vn[BUFSIZ]; | |
1350 | char buf_un[BUFSIZ]; | |
1351 | afi_t afi_vn, afi_un; | |
1352 | struct prefix pfx_un; | |
fe08ba7e | 1353 | struct agg_node *rn; |
d62a17ae | 1354 | |
1355 | ||
1356 | rfapi_time(&rfd->open_time); | |
1357 | ||
1358 | if (rfg->type == RFAPI_GROUP_CFG_VRF) | |
1359 | SET_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF); | |
1360 | ||
1361 | rfapiRfapiIpAddr2Str(&rfd->vn_addr, buf_vn, BUFSIZ); | |
1362 | rfapiRfapiIpAddr2Str(&rfd->un_addr, buf_un, BUFSIZ); | |
1363 | ||
1364 | vnc_zlog_debug_verbose("%s: new RFD with VN=%s UN=%s cookie=%p", | |
1365 | __func__, buf_vn, buf_un, rfd->cookie); | |
1366 | ||
1367 | if (rfg->type != RFAPI_GROUP_CFG_VRF) /* unclear if needed for VRF */ | |
1368 | { | |
1369 | listnode_add(&h->descriptors, rfd); | |
1370 | if (h->descriptors.count > h->stat.max_descriptors) { | |
1371 | h->stat.max_descriptors = h->descriptors.count; | |
1372 | } | |
1373 | ||
1374 | /* | |
1375 | * attach to UN radix tree | |
1376 | */ | |
1377 | afi_vn = family2afi(rfd->vn_addr.addr_family); | |
1378 | afi_un = family2afi(rfd->un_addr.addr_family); | |
1379 | assert(afi_vn && afi_un); | |
1380 | assert(!rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un)); | |
1381 | ||
fe08ba7e | 1382 | rn = agg_node_get(h->un[afi_un], &pfx_un); |
d62a17ae | 1383 | assert(rn); |
1384 | rfd->next = rn->info; | |
1385 | rn->info = rfd; | |
1386 | rfd->un_node = rn; | |
1387 | } | |
1388 | return rfapi_open_inner(rfd, bgp, h, rfg); | |
1389 | } | |
65efcfce | 1390 | |
d62a17ae | 1391 | struct rfapi_vn_option *rfapiVnOptionsDup(struct rfapi_vn_option *orig) |
1392 | { | |
1393 | struct rfapi_vn_option *head = NULL; | |
1394 | struct rfapi_vn_option *tail = NULL; | |
1395 | struct rfapi_vn_option *vo = NULL; | |
1396 | ||
1397 | for (vo = orig; vo; vo = vo->next) { | |
1398 | struct rfapi_vn_option *new; | |
1399 | ||
1400 | new = XCALLOC(MTYPE_RFAPI_VN_OPTION, | |
1401 | sizeof(struct rfapi_vn_option)); | |
1402 | memcpy(new, vo, sizeof(struct rfapi_vn_option)); | |
1403 | new->next = NULL; | |
1404 | ||
1405 | if (tail) { | |
1406 | tail->next = new; | |
1407 | } else { | |
1408 | head = tail = new; | |
1409 | } | |
1410 | } | |
1411 | return head; | |
1412 | } | |
65efcfce | 1413 | |
d62a17ae | 1414 | struct rfapi_un_option *rfapiUnOptionsDup(struct rfapi_un_option *orig) |
1415 | { | |
1416 | struct rfapi_un_option *head = NULL; | |
1417 | struct rfapi_un_option *tail = NULL; | |
1418 | struct rfapi_un_option *uo = NULL; | |
1419 | ||
1420 | for (uo = orig; uo; uo = uo->next) { | |
1421 | struct rfapi_un_option *new; | |
1422 | ||
1423 | new = XCALLOC(MTYPE_RFAPI_UN_OPTION, | |
1424 | sizeof(struct rfapi_un_option)); | |
1425 | memcpy(new, uo, sizeof(struct rfapi_un_option)); | |
1426 | new->next = NULL; | |
1427 | ||
1428 | if (tail) { | |
1429 | tail->next = new; | |
1430 | } else { | |
1431 | head = tail = new; | |
1432 | } | |
1433 | } | |
1434 | return head; | |
1435 | } | |
65efcfce | 1436 | |
d62a17ae | 1437 | struct bgp_tea_options *rfapiOptionsDup(struct bgp_tea_options *orig) |
5ff06872 | 1438 | { |
d62a17ae | 1439 | struct bgp_tea_options *head = NULL; |
1440 | struct bgp_tea_options *tail = NULL; | |
1441 | struct bgp_tea_options *hop = NULL; | |
1442 | ||
1443 | for (hop = orig; hop; hop = hop->next) { | |
1444 | struct bgp_tea_options *new; | |
1445 | ||
1446 | new = XCALLOC(MTYPE_BGP_TEA_OPTIONS, | |
1447 | sizeof(struct bgp_tea_options)); | |
1448 | memcpy(new, hop, sizeof(struct bgp_tea_options)); | |
1449 | new->next = NULL; | |
1450 | if (hop->value) { | |
1451 | new->value = XCALLOC(MTYPE_BGP_TEA_OPTIONS_VALUE, | |
1452 | hop->length); | |
1453 | memcpy(new->value, hop->value, hop->length); | |
1454 | } | |
1455 | if (tail) { | |
1456 | tail->next = new; | |
1457 | } else { | |
1458 | head = tail = new; | |
1459 | } | |
1460 | } | |
1461 | return head; | |
5ff06872 LB |
1462 | } |
1463 | ||
d62a17ae | 1464 | void rfapiFreeBgpTeaOptionChain(struct bgp_tea_options *p) |
65efcfce | 1465 | { |
d62a17ae | 1466 | struct bgp_tea_options *next; |
65efcfce | 1467 | |
d62a17ae | 1468 | while (p) { |
1469 | next = p->next; | |
65efcfce | 1470 | |
e1b36e13 | 1471 | XFREE(MTYPE_BGP_TEA_OPTIONS_VALUE, p->value); |
d62a17ae | 1472 | XFREE(MTYPE_BGP_TEA_OPTIONS, p); |
65efcfce | 1473 | |
d62a17ae | 1474 | p = next; |
1475 | } | |
65efcfce LB |
1476 | } |
1477 | ||
d62a17ae | 1478 | void rfapiAdbFree(struct rfapi_adb *adb) |
65efcfce | 1479 | { |
d62a17ae | 1480 | XFREE(MTYPE_RFAPI_ADB, adb); |
65efcfce LB |
1481 | } |
1482 | ||
1483 | static int | |
d62a17ae | 1484 | rfapi_query_inner(void *handle, struct rfapi_ip_addr *target, |
1485 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
1486 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 1487 | { |
d62a17ae | 1488 | afi_t afi; |
1489 | struct prefix p; | |
1490 | struct prefix p_original; | |
fe08ba7e | 1491 | struct agg_node *rn; |
d62a17ae | 1492 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
1493 | struct bgp *bgp = rfd->bgp; | |
1494 | struct rfapi_next_hop_entry *pNHE = NULL; | |
1495 | struct rfapi_ip_addr *self_vn_addr = NULL; | |
1496 | int eth_is_0 = 0; | |
1497 | int use_eth_resolution = 0; | |
1498 | struct rfapi_next_hop_entry *i_nhe; | |
1499 | ||
1500 | /* preemptive */ | |
1501 | if (!bgp) { | |
1502 | vnc_zlog_debug_verbose("%s: No BGP instance, returning ENXIO", | |
1503 | __func__); | |
1504 | return ENXIO; | |
1505 | } | |
1506 | if (!bgp->rfapi) { | |
1507 | vnc_zlog_debug_verbose("%s: No RFAPI instance, returning ENXIO", | |
1508 | __func__); | |
1509 | return ENXIO; | |
1510 | } | |
1511 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
1512 | vnc_zlog_debug_verbose( | |
1513 | "%s: Called during calback, returning EDEADLK", | |
1514 | __func__); | |
1515 | return EDEADLK; | |
1516 | } | |
1517 | ||
1518 | if (!is_valid_rfd(rfd)) { | |
1519 | vnc_zlog_debug_verbose("%s: invalid handle, returning EBADF", | |
1520 | __func__); | |
1521 | return EBADF; | |
1522 | } | |
1523 | ||
1524 | rfd->rsp_counter++; /* dedup: identify this generation */ | |
1525 | rfd->rsp_time = rfapi_time(NULL); /* response content dedup */ | |
1526 | rfd->ftd_last_allowed_time = | |
1527 | bgp_clock() | |
1528 | - bgp->rfapi_cfg->rfp_cfg.ftd_advertisement_interval; | |
1529 | ||
1530 | if (l2o) { | |
1531 | if (!memcmp(l2o->macaddr.octet, rfapi_ethaddr0.octet, | |
28328ea9 | 1532 | ETH_ALEN)) { |
d62a17ae | 1533 | eth_is_0 = 1; |
1534 | } | |
1535 | /* per t/c Paul/Lou 151022 */ | |
1536 | if (!eth_is_0 || l2o->logical_net_id) { | |
1537 | use_eth_resolution = 1; | |
1538 | } | |
1539 | } | |
1540 | ||
1541 | if (ppNextHopEntry) | |
1542 | *ppNextHopEntry = NULL; | |
1543 | ||
1544 | /* | |
1545 | * Save original target in prefix form. In case of L2-based queries, | |
1546 | * p_original will be modified to reflect the L2 target | |
1547 | */ | |
1548 | assert(!rfapiRaddr2Qprefix(target, &p_original)); | |
1549 | ||
1550 | if (bgp->rfapi_cfg->rfp_cfg.download_type == RFAPI_RFP_DOWNLOAD_FULL) { | |
1551 | /* convert query to 0/0 when full-table download is enabled */ | |
1552 | memset((char *)&p, 0, sizeof(p)); | |
1553 | p.family = target->addr_family; | |
1554 | } else { | |
1555 | p = p_original; | |
1556 | } | |
1557 | ||
1558 | { | |
d62a17ae | 1559 | char *s; |
1560 | ||
2dbe669b DA |
1561 | vnc_zlog_debug_verbose("%s(rfd=%p, target=%pFX, ppNextHop=%p)", |
1562 | __func__, rfd, &p, ppNextHopEntry); | |
d62a17ae | 1563 | |
1564 | s = ecommunity_ecom2str(rfd->import_table->rt_import_list, | |
1565 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
1566 | vnc_zlog_debug_verbose( | |
1567 | "%s rfd->import_table=%p, rfd->import_table->rt_import_list: %s", | |
1568 | __func__, rfd->import_table, s); | |
1569 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
1570 | } | |
1571 | ||
1572 | afi = family2afi(p.family); | |
1573 | assert(afi); | |
1574 | ||
1575 | if (CHECK_FLAG(bgp->rfapi_cfg->flags, | |
1576 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP)) { | |
1577 | self_vn_addr = &rfd->vn_addr; | |
1578 | } | |
1579 | ||
1580 | if (use_eth_resolution) { | |
1581 | uint32_t logical_net_id = l2o->logical_net_id; | |
1582 | struct ecommunity *l2com; | |
1583 | ||
1584 | /* | |
1585 | * fix up p_original to contain L2 address | |
1586 | */ | |
1587 | rfapiL2o2Qprefix(l2o, &p_original); | |
1588 | ||
1589 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
1590 | bgp, 1, logical_net_id, l2o->label); | |
1591 | if (l2com) { | |
1592 | uint8_t *v = l2com->val; | |
1593 | logical_net_id = (v[5] << 16) + (v[6] << 8) + (v[7]); | |
1594 | } | |
1595 | /* | |
1596 | * Ethernet/L2-based lookup | |
1597 | * | |
1598 | * Always returns IT node corresponding to route | |
1599 | */ | |
1600 | ||
1601 | if (RFAPI_RFP_DOWNLOAD_FULL | |
1602 | == bgp->rfapi_cfg->rfp_cfg.download_type) { | |
1603 | eth_is_0 = 1; | |
1604 | } | |
1605 | ||
1606 | rn = rfapiMonitorEthAdd( | |
1607 | bgp, rfd, (eth_is_0 ? &rfapi_ethaddr0 : &l2o->macaddr), | |
1608 | logical_net_id); | |
1609 | ||
1610 | if (eth_is_0) { | |
1611 | struct rfapi_ip_prefix rprefix; | |
1612 | ||
1613 | memset(&rprefix, 0, sizeof(rprefix)); | |
1614 | rprefix.prefix.addr_family = target->addr_family; | |
1615 | if (target->addr_family == AF_INET) { | |
12256b84 | 1616 | rprefix.length = IPV4_MAX_BITLEN; |
d62a17ae | 1617 | } else { |
13ccce6e | 1618 | rprefix.length = IPV6_MAX_BITLEN; |
d62a17ae | 1619 | } |
1620 | ||
1621 | pNHE = rfapiEthRouteTable2NextHopList( | |
1622 | logical_net_id, &rprefix, | |
1623 | rfd->response_lifetime, self_vn_addr, | |
1624 | rfd->rib[afi], &p_original); | |
1625 | goto done; | |
1626 | } | |
1627 | ||
1628 | } else { | |
1629 | ||
1630 | /* | |
1631 | * IP-based lookup | |
1632 | */ | |
1633 | ||
1634 | rn = rfapiMonitorAdd(bgp, rfd, &p); | |
1635 | ||
1636 | /* | |
1637 | * If target address is 0, this request is special: means to | |
1638 | * return ALL routes in the table | |
1639 | * | |
1640 | * Monitors for All-Routes queries get put on a special list, | |
1641 | * not in the VPN tree | |
1642 | */ | |
1643 | if (RFAPI_0_PREFIX(&p)) { | |
1644 | ||
1645 | vnc_zlog_debug_verbose("%s: 0-prefix", __func__); | |
1646 | ||
1647 | /* | |
1648 | * Generate nexthop list for caller | |
1649 | */ | |
1650 | pNHE = rfapiRouteTable2NextHopList( | |
1651 | rfd->import_table->imported_vpn[afi], | |
1652 | rfd->response_lifetime, self_vn_addr, | |
1653 | rfd->rib[afi], &p_original); | |
1654 | goto done; | |
1655 | } | |
1656 | ||
1657 | if (rn) { | |
fe08ba7e | 1658 | agg_lock_node(rn); /* so we can unlock below */ |
d62a17ae | 1659 | } else { |
1660 | /* | |
1661 | * returns locked node. Don't unlock yet because the | |
1662 | * unlock | |
1663 | * might free it before we're done with it. This | |
1664 | * situation | |
1665 | * could occur when rfapiMonitorGetAttachNode() returns | |
1666 | * a | |
1667 | * newly-created default node. | |
1668 | */ | |
1669 | rn = rfapiMonitorGetAttachNode(rfd, &p); | |
1670 | } | |
1671 | } | |
1672 | ||
1673 | assert(rn); | |
1674 | if (!rn->info) { | |
fe08ba7e | 1675 | agg_unlock_node(rn); |
d62a17ae | 1676 | vnc_zlog_debug_verbose( |
1677 | "%s: VPN route not found, returning ENOENT", __func__); | |
1678 | return ENOENT; | |
1679 | } | |
1680 | ||
1681 | if (VNC_DEBUG(RFAPI_QUERY)) { | |
1682 | rfapiShowImportTable(NULL, "query", | |
1683 | rfd->import_table->imported_vpn[afi], 1); | |
1684 | } | |
1685 | ||
1686 | if (use_eth_resolution) { | |
1687 | ||
1688 | struct rfapi_ip_prefix rprefix; | |
1689 | ||
1690 | memset(&rprefix, 0, sizeof(rprefix)); | |
1691 | rprefix.prefix.addr_family = target->addr_family; | |
1692 | if (target->addr_family == AF_INET) { | |
12256b84 | 1693 | rprefix.length = IPV4_MAX_BITLEN; |
d62a17ae | 1694 | } else { |
13ccce6e | 1695 | rprefix.length = IPV6_MAX_BITLEN; |
d62a17ae | 1696 | } |
1697 | ||
1698 | pNHE = rfapiEthRouteNode2NextHopList( | |
1699 | rn, &rprefix, rfd->response_lifetime, self_vn_addr, | |
1700 | rfd->rib[afi], &p_original); | |
1701 | ||
1702 | ||
1703 | } else { | |
1704 | /* | |
1705 | * Generate answer to query | |
1706 | */ | |
1707 | pNHE = rfapiRouteNode2NextHopList(rn, rfd->response_lifetime, | |
1708 | self_vn_addr, rfd->rib[afi], | |
1709 | &p_original); | |
1710 | } | |
1711 | ||
fe08ba7e | 1712 | agg_unlock_node(rn); |
65efcfce LB |
1713 | |
1714 | done: | |
d62a17ae | 1715 | if (ppNextHopEntry) { |
1716 | /* only count if caller gets it */ | |
1717 | ++bgp->rfapi->response_immediate_count; | |
1718 | } | |
1719 | ||
1720 | if (!pNHE) { | |
1721 | vnc_zlog_debug_verbose("%s: NO NHEs, returning ENOENT", | |
1722 | __func__); | |
1723 | return ENOENT; | |
1724 | } | |
1725 | ||
1726 | /* | |
1727 | * count nexthops for statistics | |
1728 | */ | |
1729 | for (i_nhe = pNHE; i_nhe; i_nhe = i_nhe->next) { | |
1730 | ++rfd->stat_count_nh_reachable; | |
1731 | } | |
1732 | ||
1733 | if (ppNextHopEntry) { | |
1734 | *ppNextHopEntry = pNHE; | |
1735 | } else { | |
1736 | rfapi_free_next_hop_list(pNHE); | |
1737 | } | |
1738 | ||
1739 | vnc_zlog_debug_verbose("%s: success", __func__); | |
1740 | return 0; | |
65efcfce LB |
1741 | } |
1742 | ||
1743 | /* | |
1744 | * support on-the-fly reassignment of an already-open nve to a new | |
1745 | * nve-group in the event that its original nve-group is | |
1746 | * administratively deleted. | |
1747 | */ | |
d62a17ae | 1748 | static int rfapi_open_rfd(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 1749 | { |
d62a17ae | 1750 | struct prefix pfx_vn; |
1751 | struct prefix pfx_un; | |
1752 | struct rfapi_nve_group_cfg *rfg; | |
1753 | struct rfapi *h; | |
1754 | struct rfapi_cfg *hc; | |
1755 | int rc; | |
1756 | ||
1757 | h = bgp->rfapi; | |
1758 | if (!h) | |
1759 | return ENXIO; | |
1760 | ||
1761 | hc = bgp->rfapi_cfg; | |
1762 | if (!hc) | |
1763 | return ENXIO; | |
1764 | ||
1765 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
1766 | assert(!rc); | |
1767 | ||
1768 | rc = rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un); | |
1769 | assert(!rc); | |
1770 | ||
1771 | /* | |
1772 | * Find the matching nve group config block | |
1773 | */ | |
1774 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1775 | if (!rfg) { | |
1776 | return ENOENT; | |
1777 | } | |
1778 | ||
1779 | /* | |
1780 | * check nve group config block for required values | |
1781 | */ | |
1782 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1783 | ||
1784 | return ENOMSG; | |
1785 | } | |
1786 | ||
1787 | rc = rfapi_open_inner(rfd, bgp, h, rfg); | |
1788 | if (rc) { | |
1789 | return rc; | |
1790 | } | |
1791 | ||
1792 | /* | |
1793 | * re-advertise registered routes, this time as part of new NVE-group | |
1794 | */ | |
1795 | rfapiApReadvertiseAll(bgp, rfd); | |
1796 | ||
1797 | /* | |
1798 | * re-attach callbacks to import table | |
1799 | */ | |
1800 | if (!(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_CALLBACK_DISABLE)) { | |
1801 | rfapiMonitorAttachImportHd(rfd); | |
1802 | } | |
1803 | ||
1804 | return 0; | |
65efcfce LB |
1805 | } |
1806 | ||
1807 | /*------------------------------------------ | |
1808 | * rfapi_open | |
1809 | * | |
1810 | * This function initializes a NVE record and associates it with | |
1811 | * the specified VN and underlay network addresses | |
1812 | * | |
d62a17ae | 1813 | * input: |
65efcfce LB |
1814 | * rfp_start_val value returned by rfp_start |
1815 | * vn NVE virtual network address | |
1816 | * | |
1817 | * un NVE underlay network address | |
1818 | * | |
1819 | * default_options Default options to use on registrations. | |
1820 | * For now only tunnel type is supported. | |
1821 | * May be overridden per-prefix in rfapi_register(). | |
1822 | * Caller owns (rfapi_open() does not free) | |
1823 | * | |
1824 | * response_cb Pointer to next hop list update callback function or | |
1825 | * NULL when no callbacks are desired. | |
1826 | * | |
1827 | * userdata Passed to subsequent response_cb invocations. | |
1828 | * | |
1829 | * output: | |
1830 | * response_lifetime The length of time that responses sent to this | |
d62a17ae | 1831 | * NVE are valid. |
65efcfce LB |
1832 | * |
1833 | * pHandle pointer to location to store rfapi handle. The | |
1834 | * handle must be passed on subsequent rfapi_ calls. | |
1835 | * | |
1836 | * | |
d62a17ae | 1837 | * return value: |
65efcfce LB |
1838 | * 0 Success |
1839 | * EEXIST NVE with this {vn,un} already open | |
1840 | * ENOENT No matching nve group config | |
1841 | * ENOMSG Matched nve group config was incomplete | |
1842 | * ENXIO BGP or VNC not configured | |
1843 | * EAFNOSUPPORT Matched nve group specifies auto-assignment of RD, | |
1844 | * but underlay network address is not IPv4 | |
1845 | * EDEADLK Called from within a callback procedure | |
1846 | *------------------------------------------*/ | |
d62a17ae | 1847 | int rfapi_open(void *rfp_start_val, struct rfapi_ip_addr *vn, |
1848 | struct rfapi_ip_addr *un, | |
1849 | struct rfapi_un_option *default_options, | |
1850 | uint32_t *response_lifetime, | |
1851 | void *userdata, /* callback cookie */ | |
1852 | rfapi_handle *pHandle) | |
65efcfce | 1853 | { |
d62a17ae | 1854 | struct bgp *bgp; |
1855 | struct rfapi *h; | |
1856 | struct rfapi_descriptor *rfd; | |
1857 | struct rfapi_cfg *hc; | |
1858 | struct rfapi_nve_group_cfg *rfg; | |
1859 | ||
1860 | struct prefix pfx_vn; | |
1861 | struct prefix pfx_un; | |
1862 | ||
1863 | int rc; | |
1864 | rfapi_handle hh = NULL; | |
1865 | int reusing_provisional = 0; | |
1866 | ||
1867 | { | |
1868 | char buf[2][INET_ADDRSTRLEN]; | |
1869 | vnc_zlog_debug_verbose( | |
1870 | "%s: VN=%s UN=%s", __func__, | |
1871 | rfapiRfapiIpAddr2Str(vn, buf[0], INET_ADDRSTRLEN), | |
1872 | rfapiRfapiIpAddr2Str(un, buf[1], INET_ADDRSTRLEN)); | |
1873 | } | |
1874 | ||
1875 | assert(pHandle); | |
1876 | *pHandle = NULL; | |
1877 | ||
1878 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1879 | if (!bgp) | |
1880 | return ENXIO; | |
1881 | ||
1882 | h = bgp->rfapi; | |
1883 | if (!h) | |
1884 | return ENXIO; | |
1885 | ||
1886 | hc = bgp->rfapi_cfg; | |
1887 | if (!hc) | |
1888 | return ENXIO; | |
1889 | ||
1890 | if (h->flags & RFAPI_INCALLBACK) | |
1891 | return EDEADLK; | |
1892 | ||
1893 | rc = rfapiRaddr2Qprefix(vn, &pfx_vn); | |
1894 | assert(!rc); | |
1895 | ||
1896 | rc = rfapiRaddr2Qprefix(un, &pfx_un); | |
1897 | assert(!rc); | |
1898 | ||
1899 | /* | |
1900 | * already have a descriptor with VN and UN? | |
1901 | */ | |
1902 | if (!rfapi_find_handle(bgp, vn, un, &hh)) { | |
1903 | /* | |
1904 | * we might have set up a handle for static routes before | |
1905 | * this NVE was opened. In that case, reuse the handle | |
1906 | */ | |
1907 | rfd = hh; | |
1908 | if (!CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_PROVISIONAL)) { | |
1909 | return EEXIST; | |
1910 | } | |
1911 | ||
1912 | /* | |
1913 | * reuse provisional descriptor | |
1914 | * hh is not NULL | |
1915 | */ | |
1916 | reusing_provisional = 1; | |
1917 | } | |
1918 | ||
1919 | /* | |
1920 | * Find the matching nve group config block | |
1921 | */ | |
1922 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1923 | if (!rfg) { | |
1924 | ++h->stat.count_unknown_nves; | |
1925 | { | |
1926 | char buf[2][INET_ADDRSTRLEN]; | |
1927 | zlog_notice("%s: no matching group VN=%s UN=%s", | |
1928 | __func__, | |
1929 | rfapiRfapiIpAddr2Str(vn, buf[0], | |
1930 | INET_ADDRSTRLEN), | |
1931 | rfapiRfapiIpAddr2Str(un, buf[1], | |
1932 | INET_ADDRSTRLEN)); | |
1933 | } | |
1934 | return ENOENT; | |
1935 | } | |
1936 | ||
1937 | /* | |
1938 | * check nve group config block for required values | |
1939 | */ | |
1940 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1941 | ||
1942 | ++h->stat.count_unknown_nves; | |
1943 | return ENOMSG; | |
1944 | } | |
1945 | ||
1946 | /* | |
1947 | * If group config specifies auto-rd assignment, check that | |
1948 | * VN address is IPv4|v6 so we don't fail in rfapi_open_inner(). | |
1949 | * Check here so we don't need to unwind memory allocations, &c. | |
1950 | */ | |
1951 | if ((rfg->rd.family == AF_UNIX) && (vn->addr_family != AF_INET) | |
1952 | && (vn->addr_family != AF_INET6)) { | |
1953 | return EAFNOSUPPORT; | |
1954 | } | |
1955 | ||
1956 | if (hh) { | |
1957 | /* | |
1958 | * reusing provisional rfd | |
1959 | */ | |
1960 | rfd = hh; | |
1961 | } else { | |
1962 | rfd = XCALLOC(MTYPE_RFAPI_DESC, | |
1963 | sizeof(struct rfapi_descriptor)); | |
1964 | } | |
1965 | assert(rfd); | |
1966 | ||
1967 | rfd->bgp = bgp; | |
1968 | if (default_options) { | |
1969 | struct rfapi_un_option *p; | |
1970 | ||
1971 | for (p = default_options; p; p = p->next) { | |
1972 | if ((RFAPI_UN_OPTION_TYPE_PROVISIONAL == p->type)) { | |
1973 | rfd->flags |= RFAPI_HD_FLAG_PROVISIONAL; | |
1974 | } | |
1975 | if ((RFAPI_UN_OPTION_TYPE_TUNNELTYPE == p->type)) { | |
1976 | rfd->default_tunneltype_option = p->v.tunnel; | |
1977 | } | |
1978 | } | |
1979 | } | |
1980 | ||
1981 | /* | |
1982 | * Fill in caller fields | |
1983 | */ | |
1984 | rfd->vn_addr = *vn; | |
1985 | rfd->un_addr = *un; | |
1986 | rfd->cookie = userdata; | |
1987 | ||
1988 | if (!reusing_provisional) { | |
1989 | rc = rfapi_init_and_open(bgp, rfd, rfg); | |
1990 | /* | |
1991 | * This can fail only if the VN address is IPv6 and the group | |
1992 | * specified auto-assignment of RDs, which only works for v4, | |
1993 | * and the check above should catch it. | |
1994 | * | |
1995 | * Another failure possibility is that we were called | |
1996 | * during an rfapi callback. Also checked above. | |
1997 | */ | |
1998 | assert(!rc); | |
1999 | } | |
2000 | ||
2001 | if (response_lifetime) | |
2002 | *response_lifetime = rfd->response_lifetime; | |
2003 | *pHandle = rfd; | |
2004 | return 0; | |
65efcfce LB |
2005 | } |
2006 | ||
2007 | /* | |
2008 | * For use with debug functions | |
2009 | */ | |
d62a17ae | 2010 | static int rfapi_set_response_cb(struct rfapi_descriptor *rfd, |
2011 | rfapi_response_cb_t *response_cb) | |
65efcfce | 2012 | { |
d62a17ae | 2013 | if (!is_valid_rfd(rfd)) |
2014 | return EBADF; | |
2015 | rfd->response_cb = response_cb; | |
2016 | return 0; | |
65efcfce LB |
2017 | } |
2018 | ||
2019 | /* | |
d62a17ae | 2020 | * rfapi_close_inner |
2021 | * | |
2022 | * Does almost all the work of rfapi_close, except: | |
2023 | * 1. preserves the descriptor (doesn't free it) | |
2024 | * 2. preserves the prefix query list (i.e., rfd->mon list) | |
2025 | * 3. preserves the advertised prefix list (rfd->advertised) | |
2026 | * 4. preserves the rib and rib_pending tables | |
2027 | * | |
2028 | * The purpose of organizing it this way is to support on-the-fly | |
2029 | * reassignment of an already-open nve to a new nve-group in the | |
2030 | * event that its original nve-group is administratively deleted. | |
2031 | */ | |
2032 | static int rfapi_close_inner(struct rfapi_descriptor *rfd, struct bgp *bgp) | |
2033 | { | |
2034 | int rc; | |
2035 | struct prefix pfx_vn; | |
2036 | struct prefix_rd prd; /* currently always 0 for VN->UN */ | |
2037 | ||
2038 | if (!is_valid_rfd(rfd)) | |
2039 | return EBADF; | |
2040 | ||
2041 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
2042 | assert(!rc); /* should never have bad AF in stored vn address */ | |
2043 | ||
2044 | /* | |
2045 | * update exported routes to reflect disappearance of this NVE as | |
2046 | * nexthop | |
2047 | */ | |
2048 | vnc_direct_bgp_del_nve(bgp, rfd); | |
2049 | vnc_zebra_del_nve(bgp, rfd); | |
2050 | ||
2051 | /* | |
2052 | * unlink this HD's monitors from import table | |
2053 | */ | |
2054 | rfapiMonitorDetachImportHd(rfd); | |
2055 | ||
2056 | /* | |
2057 | * Unlink from Import Table | |
2058 | * NB rfd->import_table will be NULL if we are closing a stale | |
2059 | * descriptor | |
2060 | */ | |
2061 | if (rfd->import_table) | |
2062 | rfapiImportTableRefDelByIt(bgp, rfd->import_table); | |
2063 | rfd->import_table = NULL; | |
2064 | ||
2065 | /* | |
2066 | * Construct route distinguisher | |
2067 | */ | |
2068 | memset(&prd, 0, sizeof(prd)); | |
2069 | prd = rfd->rd; | |
2070 | prd.family = AF_UNSPEC; | |
2071 | prd.prefixlen = 64; | |
2072 | ||
2073 | /* | |
2074 | * withdraw tunnel | |
2075 | */ | |
2076 | del_vnc_route(rfd, rfd->peer, bgp, SAFI_ENCAP, | |
2077 | &pfx_vn, /* prefix being advertised */ | |
2078 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2079 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, 0); /* no kill */ | |
2080 | ||
2081 | /* | |
2082 | * Construct route distinguisher for VPN routes | |
2083 | */ | |
2084 | prd = rfd->rd; | |
2085 | prd.family = AF_UNSPEC; | |
2086 | prd.prefixlen = 64; | |
2087 | ||
2088 | /* | |
2089 | * find all VPN routes associated with this rfd and delete them, too | |
2090 | */ | |
2091 | rfapiApWithdrawAll(bgp, rfd); | |
2092 | ||
2093 | /* | |
2094 | * remove this nve descriptor from the list of nves | |
2095 | * associated with the nve group | |
2096 | */ | |
2097 | if (rfd->rfg) { | |
2098 | listnode_delete(rfd->rfg->nves, rfd); | |
2099 | rfd->rfg = NULL; /* XXX mark as orphaned/stale */ | |
2100 | } | |
2101 | ||
2102 | if (rfd->rt_export_list) | |
2103 | ecommunity_free(&rfd->rt_export_list); | |
2104 | rfd->rt_export_list = NULL; | |
2105 | ||
2106 | /* | |
2107 | * free peer structure (possibly delayed until its | |
2108 | * refcount reaches zero) | |
2109 | */ | |
2110 | if (rfd->peer) { | |
2111 | vnc_zlog_debug_verbose("%s: calling peer_delete(%p), #%d", | |
2112 | __func__, rfd->peer, rfd->peer->lock); | |
2113 | peer_delete(rfd->peer); | |
2114 | } | |
2115 | rfd->peer = NULL; | |
2116 | ||
2117 | return 0; | |
65efcfce LB |
2118 | } |
2119 | ||
d62a17ae | 2120 | int rfapi_close(void *handle) |
65efcfce | 2121 | { |
d62a17ae | 2122 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2123 | int rc; | |
fe08ba7e | 2124 | struct agg_node *node; |
d62a17ae | 2125 | struct bgp *bgp; |
2126 | struct rfapi *h; | |
65efcfce | 2127 | |
d62a17ae | 2128 | vnc_zlog_debug_verbose("%s: rfd=%p", __func__, rfd); |
65efcfce | 2129 | |
1e20238a | 2130 | #ifdef RFAPI_WHO_IS_CALLING_ME |
65efcfce LB |
2131 | #ifdef HAVE_GLIBC_BACKTRACE |
2132 | #define RFAPI_DEBUG_BACKTRACE_NENTRIES 5 | |
d62a17ae | 2133 | { |
2134 | void *buf[RFAPI_DEBUG_BACKTRACE_NENTRIES]; | |
2135 | char **syms; | |
2136 | int i; | |
2137 | size_t size; | |
2138 | ||
2139 | size = backtrace(buf, RFAPI_DEBUG_BACKTRACE_NENTRIES); | |
2140 | syms = backtrace_symbols(buf, size); | |
2141 | for (i = 0; i < size && i < RFAPI_DEBUG_BACKTRACE_NENTRIES; | |
2142 | ++i) { | |
2143 | vnc_zlog_debug_verbose("backtrace[%2d]: %s", i, | |
2144 | syms[i]); | |
2145 | } | |
2146 | free(syms); | |
2147 | } | |
65efcfce LB |
2148 | #endif |
2149 | #endif | |
2150 | ||
d62a17ae | 2151 | bgp = rfd->bgp; |
2152 | if (!bgp) | |
2153 | return ENXIO; | |
2154 | ||
2155 | h = bgp->rfapi; | |
2156 | if (!h) | |
2157 | return ENXIO; | |
2158 | ||
2159 | if (!is_valid_rfd(rfd)) | |
2160 | return EBADF; | |
2161 | ||
2162 | if (h->flags & RFAPI_INCALLBACK) { | |
2163 | /* | |
2164 | * Queue these close requests for processing after callback | |
2165 | * is finished | |
2166 | */ | |
2167 | if (!CHECK_FLAG(rfd->flags, | |
2168 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2169 | work_queue_add(h->deferred_close_q, handle); | |
2170 | vnc_zlog_debug_verbose( | |
2171 | "%s: added handle %p to deferred close queue", | |
2172 | __func__, handle); | |
2173 | } | |
2174 | return 0; | |
2175 | } | |
2176 | ||
2177 | if (CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2178 | ||
2179 | vnc_zlog_debug_verbose("%s administrative close rfd=%p", | |
2180 | __func__, rfd); | |
2181 | ||
6198b694 | 2182 | if (h->rfp_methods.close_cb) { |
d62a17ae | 2183 | vnc_zlog_debug_verbose( |
2184 | "%s calling close callback rfd=%p", __func__, | |
2185 | rfd); | |
2186 | ||
2187 | /* | |
2188 | * call the callback fairly early so that it can still | |
2189 | * lookup un/vn | |
2190 | * from handle, etc. | |
2191 | * | |
2192 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2193 | * this point | |
2194 | * we are not already in the context of a callback. | |
2195 | */ | |
2196 | h->flags |= RFAPI_INCALLBACK; | |
2197 | (*h->rfp_methods.close_cb)(handle, EIDRM); | |
2198 | h->flags &= ~RFAPI_INCALLBACK; | |
2199 | } | |
2200 | } | |
2201 | ||
2202 | if (rfd->rfg) { | |
2203 | /* | |
2204 | * Orphaned descriptors have already done this part, so do | |
2205 | * only for non-orphaned descriptors. | |
2206 | */ | |
2207 | if ((rc = rfapi_close_inner(rfd, bgp))) | |
2208 | return rc; | |
2209 | } | |
2210 | ||
2211 | /* | |
2212 | * Remove descriptor from UN index | |
2213 | * (remove from chain at node) | |
2214 | */ | |
2215 | rc = rfapi_find_node(bgp, &rfd->vn_addr, &rfd->un_addr, &node); | |
2216 | if (!rc) { | |
2217 | struct rfapi_descriptor *hh; | |
2218 | ||
2219 | if (node->info == rfd) { | |
2220 | node->info = rfd->next; | |
2221 | } else { | |
2222 | ||
2223 | for (hh = node->info; hh; hh = hh->next) { | |
2224 | if (hh->next == rfd) { | |
2225 | hh->next = rfd->next; | |
2226 | break; | |
2227 | } | |
2228 | } | |
2229 | } | |
fe08ba7e | 2230 | agg_unlock_node(node); |
d62a17ae | 2231 | } |
2232 | ||
2233 | /* | |
2234 | * remove from descriptor list | |
2235 | */ | |
2236 | listnode_delete(&h->descriptors, rfd); | |
2237 | ||
2238 | /* | |
2239 | * Delete monitor list items and free monitor structures | |
2240 | */ | |
2241 | (void)rfapiMonitorDelHd(rfd); | |
2242 | ||
2243 | /* | |
2244 | * release advertised prefix data | |
2245 | */ | |
2246 | rfapiApRelease(&rfd->advertised); | |
2247 | ||
2248 | /* | |
2249 | * Release RFP callback RIB | |
2250 | */ | |
2251 | rfapiRibFree(rfd); | |
2252 | ||
2253 | /* | |
2254 | * free descriptor | |
2255 | */ | |
2256 | memset(rfd, 0, sizeof(struct rfapi_descriptor)); | |
2257 | XFREE(MTYPE_RFAPI_DESC, rfd); | |
2258 | ||
2259 | return 0; | |
65efcfce LB |
2260 | } |
2261 | ||
2262 | /* | |
2263 | * Reopen a nve descriptor. If the descriptor's NVE-group | |
2264 | * does not exist (e.g., if it has been administratively removed), | |
2265 | * reassignment to a new NVE-group is attempted. | |
2266 | * | |
2267 | * If NVE-group reassignment fails, the descriptor becomes "stale" | |
2268 | * (rfd->rfg == NULL implies "stale:). The only permissible API operation | |
2269 | * on a stale descriptor is rfapi_close(). Any other rfapi_* API operation | |
2270 | * on the descriptor will return ESTALE. | |
2271 | * | |
2272 | * Reopening a descriptor is a potentially expensive operation, because | |
2273 | * it involves withdrawing any routes advertised by the NVE, withdrawing | |
2274 | * the NVE's route queries, and then re-adding them all after a new | |
2275 | * NVE-group is assigned. There are also possible route-export affects | |
2276 | * caused by deleting and then adding the NVE: advertised prefixes | |
2277 | * and nexthop lists for exported routes can turn over. | |
2278 | */ | |
d62a17ae | 2279 | int rfapi_reopen(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 2280 | { |
d62a17ae | 2281 | struct rfapi *h; |
2282 | int rc; | |
2283 | ||
2284 | if ((rc = rfapi_close_inner(rfd, bgp))) { | |
2285 | return rc; | |
2286 | } | |
2287 | if ((rc = rfapi_open_rfd(rfd, bgp))) { | |
2288 | ||
2289 | h = bgp->rfapi; | |
2290 | ||
b575a12c | 2291 | assert(h != NULL && !CHECK_FLAG(h->flags, RFAPI_INCALLBACK)); |
d62a17ae | 2292 | |
2293 | if (CHECK_FLAG(rfd->flags, | |
2294 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY) | |
2295 | && h && h->rfp_methods.close_cb) { | |
2296 | ||
2297 | /* | |
2298 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2299 | * this point | |
2300 | * we are not already in the context of a callback. | |
2301 | */ | |
2302 | h->flags |= RFAPI_INCALLBACK; | |
2303 | (*h->rfp_methods.close_cb)((rfapi_handle)rfd, ESTALE); | |
2304 | h->flags &= ~RFAPI_INCALLBACK; | |
2305 | } | |
2306 | return rc; | |
2307 | } | |
2308 | return 0; | |
65efcfce LB |
2309 | } |
2310 | ||
2311 | /*********************************************************************** | |
2312 | * NVE Routes | |
2313 | ***********************************************************************/ | |
d62a17ae | 2314 | /* |
65efcfce LB |
2315 | * Announce reachability to this prefix via the NVE |
2316 | */ | |
d62a17ae | 2317 | int rfapi_register(void *handle, struct rfapi_ip_prefix *prefix, |
2318 | uint32_t lifetime, /* host byte order */ | |
2319 | struct rfapi_un_option *options_un, | |
2320 | struct rfapi_vn_option *options_vn, | |
2321 | rfapi_register_action action) | |
65efcfce | 2322 | { |
d62a17ae | 2323 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2324 | struct bgp *bgp; | |
2325 | struct prefix p; | |
2326 | struct prefix *pfx_ip = NULL; | |
2327 | struct prefix_rd prd; | |
e7038dde | 2328 | afi_t afi; |
d62a17ae | 2329 | struct prefix pfx_mac_buf; |
2330 | struct prefix *pfx_mac = NULL; | |
2331 | struct prefix pfx_vn_buf; | |
2332 | const char *action_str = NULL; | |
2333 | uint32_t *label = NULL; | |
2334 | struct rfapi_vn_option *vo; | |
2335 | struct rfapi_l2address_option *l2o = NULL; | |
2336 | struct prefix_rd *prd_override = NULL; | |
2337 | ||
2338 | switch (action) { | |
2339 | case RFAPI_REGISTER_ADD: | |
2340 | action_str = "add"; | |
2341 | break; | |
2342 | case RFAPI_REGISTER_WITHDRAW: | |
2343 | action_str = "withdraw"; | |
2344 | break; | |
2345 | case RFAPI_REGISTER_KILL: | |
2346 | action_str = "kill"; | |
2347 | break; | |
2348 | default: | |
2349 | assert(0); | |
2350 | break; | |
2351 | } | |
2352 | ||
2353 | /* | |
2354 | * Inspect VN options | |
2355 | */ | |
2356 | for (vo = options_vn; vo; vo = vo->next) { | |
2357 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { | |
2358 | l2o = &vo->v.l2addr; | |
2359 | } | |
2360 | if (RFAPI_VN_OPTION_TYPE_INTERNAL_RD == vo->type) { | |
2361 | prd_override = &vo->v.internal_rd; | |
2362 | } | |
2363 | } | |
2364 | ||
2365 | /********************************************************************* | |
2366 | * advertise prefix | |
2367 | *********************************************************************/ | |
2368 | ||
2369 | /* | |
2370 | * set <p> based on <prefix> | |
2371 | */ | |
2372 | assert(!rfapiRprefix2Qprefix(prefix, &p)); | |
2373 | ||
2374 | afi = family2afi(prefix->prefix.addr_family); | |
2375 | assert(afi); | |
2376 | ||
2dbe669b DA |
2377 | vnc_zlog_debug_verbose( |
2378 | "%s(rfd=%p, pfx=%pFX, lifetime=%d, opts_un=%p, opts_vn=%p, action=%s)", | |
2379 | __func__, rfd, &p, lifetime, options_un, options_vn, | |
2380 | action_str); | |
d62a17ae | 2381 | |
2382 | /* | |
2383 | * These tests come after the prefix conversion so that we can | |
2384 | * print the prefix in a debug message before failing | |
2385 | */ | |
2386 | ||
2387 | bgp = rfd->bgp; | |
2388 | if (!bgp) { | |
2389 | vnc_zlog_debug_verbose("%s: no BGP instance: returning ENXIO", | |
2390 | __func__); | |
2391 | return ENXIO; | |
2392 | } | |
2393 | if (!bgp->rfapi) { | |
2394 | vnc_zlog_debug_verbose("%s: no RFAPI instance: returning ENXIO", | |
2395 | __func__); | |
2396 | return ENXIO; | |
2397 | } | |
2398 | if (!rfd->rfg) { | |
2399 | if (RFAPI_REGISTER_ADD == action) { | |
2400 | ++bgp->rfapi->stat.count_registrations_failed; | |
2401 | } | |
2402 | vnc_zlog_debug_verbose( | |
2403 | "%s: rfd=%p, no RF GRP instance: returning ESTALE", | |
2404 | __func__, rfd); | |
2405 | return ESTALE; | |
2406 | } | |
2407 | ||
2408 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
2409 | if (RFAPI_REGISTER_ADD == action) { | |
2410 | ++bgp->rfapi->stat.count_registrations_failed; | |
2411 | } | |
2412 | vnc_zlog_debug_verbose("%s: in callback: returning EDEADLK", | |
2413 | __func__); | |
2414 | return EDEADLK; | |
2415 | } | |
2416 | ||
2417 | if (!is_valid_rfd(rfd)) { | |
2418 | if (RFAPI_REGISTER_ADD == action) { | |
2419 | ++bgp->rfapi->stat.count_registrations_failed; | |
2420 | } | |
2421 | vnc_zlog_debug_verbose("%s: invalid handle: returning EBADF", | |
2422 | __func__); | |
2423 | return EBADF; | |
2424 | } | |
2425 | ||
2426 | /* | |
2427 | * Is there a MAC address in this registration? | |
2428 | */ | |
2429 | if (l2o && !RFAPI_0_ETHERADDR(&l2o->macaddr)) { | |
2430 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2431 | pfx_mac = &pfx_mac_buf; | |
2432 | } | |
2433 | ||
2434 | /* | |
2435 | * Is there an IP prefix in this registration? | |
2436 | */ | |
2437 | if (!(RFAPI_0_PREFIX(&p) && RFAPI_HOST_PREFIX(&p))) { | |
2438 | pfx_ip = &p; | |
2439 | } else { | |
2440 | if (!pfx_mac) { | |
2441 | vnc_zlog_debug_verbose( | |
2442 | "%s: missing mac addr that is required for host 0 pfx", | |
2443 | __func__); | |
2444 | if (RFAPI_REGISTER_ADD == action) { | |
2445 | ++bgp->rfapi->stat.count_registrations_failed; | |
2446 | } | |
2447 | return EINVAL; | |
2448 | } | |
2449 | if (rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn_buf)) { | |
2450 | vnc_zlog_debug_verbose( | |
2451 | "%s: handle has bad vn_addr: returning EBADF", | |
2452 | __func__); | |
2453 | if (RFAPI_REGISTER_ADD == action) { | |
2454 | ++bgp->rfapi->stat.count_registrations_failed; | |
2455 | } | |
2456 | return EBADF; | |
2457 | } | |
2458 | } | |
2459 | ||
2460 | if (RFAPI_REGISTER_ADD == action) { | |
2461 | ++bgp->rfapi->stat.count_registrations; | |
2462 | } | |
2463 | ||
2464 | /* | |
2465 | * Figure out if this registration is missing an IP address | |
2466 | * | |
2467 | * MAC-addr based: | |
2468 | * | |
2469 | * In RFAPI, we use prefixes in family AF_LINK to store | |
2470 | * the MAC addresses. These prefixes are used for the | |
2471 | * list of advertised prefixes and in the RFAPI import | |
2472 | * tables. | |
2473 | * | |
2474 | * In BGP proper, we use the prefix matching the NVE's | |
2475 | * VN address with a host prefix-length (i.e., 32 or 128). | |
2476 | * | |
2477 | */ | |
2478 | if (l2o && l2o->logical_net_id && RFAPI_0_PREFIX(&p) | |
2479 | && RFAPI_HOST_PREFIX(&p)) { | |
2480 | ||
2481 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2482 | pfx_mac = &pfx_mac_buf; | |
2483 | } | |
2484 | ||
2485 | /* | |
2486 | * Construct route distinguisher | |
2487 | */ | |
2488 | if (prd_override) { | |
2489 | prd = *prd_override; | |
2490 | } else { | |
2491 | memset(&prd, 0, sizeof(prd)); | |
2492 | if (pfx_mac) { | |
2493 | prd.family = AF_UNSPEC; | |
2494 | prd.prefixlen = 64; | |
2495 | encode_rd_type(RD_TYPE_VNC_ETH, prd.val); | |
2496 | if (l2o->local_nve_id | |
2497 | || !(rfd->rfg->flags & RFAPI_RFG_L2RD)) { | |
2498 | /* | |
2499 | * If Local NVE ID is specified in message, use | |
2500 | * it. | |
2501 | * (if no local default configured, also use it | |
2502 | * even if 0) | |
2503 | */ | |
2504 | prd.val[1] = l2o->local_nve_id; | |
2505 | } else { | |
2506 | if (rfd->rfg->l2rd) { | |
2507 | /* | |
2508 | * locally-configured literal value | |
2509 | */ | |
2510 | prd.val[1] = rfd->rfg->l2rd; | |
2511 | } else { | |
2512 | /* | |
2513 | * 0 means auto:vn, which means use LSB | |
2514 | * of VN addr | |
2515 | */ | |
2516 | if (rfd->vn_addr.addr_family | |
2517 | == AF_INET) { | |
2518 | prd.val[1] = | |
2519 | *(((char *)&rfd->vn_addr | |
2520 | .addr.v4 | |
2521 | .s_addr) | |
2522 | + 3); | |
2523 | } else { | |
2524 | prd.val[1] = | |
2525 | *(((char *)&rfd->vn_addr | |
2526 | .addr.v6 | |
2527 | .s6_addr) | |
2528 | + 15); | |
2529 | } | |
2530 | } | |
2531 | } | |
2532 | memcpy(prd.val + 2, pfx_mac->u.prefix_eth.octet, 6); | |
2533 | } else { | |
2534 | prd = rfd->rd; | |
2535 | prd.family = AF_UNSPEC; | |
2536 | prd.prefixlen = 64; | |
2537 | } | |
2538 | } | |
2539 | ||
2540 | ||
2541 | if (action == RFAPI_REGISTER_WITHDRAW | |
2542 | || action == RFAPI_REGISTER_KILL) { | |
2543 | ||
2544 | int adv_tunnel = 0; | |
2545 | ||
2546 | /* | |
2547 | * withdraw previous advertisement | |
2548 | */ | |
2549 | del_vnc_route( | |
2550 | rfd, rfd->peer, bgp, SAFI_MPLS_VPN, | |
2551 | pfx_ip ? pfx_ip | |
2552 | : &pfx_vn_buf, /* prefix being advertised */ | |
2553 | &prd, /* route distinguisher (0 for ENCAP) */ | |
2554 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, | |
2555 | action == RFAPI_REGISTER_KILL); | |
2556 | ||
9d303b37 DL |
2557 | if (0 == rfapiApDelete(bgp, rfd, &p, pfx_mac, &prd, |
2558 | &adv_tunnel)) { | |
d62a17ae | 2559 | if (adv_tunnel) |
2560 | rfapiTunnelRouteAnnounce( | |
2561 | bgp, rfd, &rfd->max_prefix_lifetime); | |
2562 | } | |
2563 | ||
2564 | } else { | |
2565 | ||
2566 | int adv_tunnel = 0; | |
2567 | uint32_t local_pref; | |
2568 | struct ecommunity *rtlist = NULL; | |
2569 | struct ecommunity_val ecom_value; | |
2570 | ||
2571 | if (!rfapiApCount(rfd)) { | |
2572 | /* | |
2573 | * make sure we advertise tunnel route upon adding the | |
2574 | * first VPN route | |
2575 | */ | |
2576 | adv_tunnel = 1; | |
2577 | } | |
2578 | ||
2579 | if (rfapiApAdd(bgp, rfd, &p, pfx_mac, &prd, lifetime, | |
2580 | prefix->cost, l2o)) { | |
2581 | adv_tunnel = 1; | |
2582 | } | |
2583 | ||
2584 | vnc_zlog_debug_verbose("%s: adv_tunnel = %d", __func__, | |
2585 | adv_tunnel); | |
2586 | if (adv_tunnel) { | |
2587 | vnc_zlog_debug_verbose("%s: announcing tunnel route", | |
2588 | __func__); | |
2589 | rfapiTunnelRouteAnnounce(bgp, rfd, | |
2590 | &rfd->max_prefix_lifetime); | |
2591 | } | |
2592 | ||
2593 | vnc_zlog_debug_verbose("%s: calling add_vnc_route", __func__); | |
2594 | ||
2595 | local_pref = rfp_cost_to_localpref(prefix->cost); | |
2596 | ||
2597 | if (l2o && l2o->label) | |
2598 | label = &l2o->label; | |
2599 | ||
2600 | if (pfx_mac) { | |
2601 | struct ecommunity *l2com = NULL; | |
2602 | ||
2603 | if (label) { | |
2604 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
2605 | bgp, 1, l2o->logical_net_id, *label); | |
2606 | } | |
2607 | if (l2com) { | |
2608 | rtlist = ecommunity_dup(l2com); | |
2609 | } else { | |
2610 | /* | |
2611 | * If mac address is set, add an RT based on the | |
2612 | * registered LNI | |
2613 | */ | |
2614 | memset((char *)&ecom_value, 0, | |
2615 | sizeof(ecom_value)); | |
2616 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2617 | ecom_value.val[5] = | |
2618 | (l2o->logical_net_id >> 16) & 0xff; | |
2619 | ecom_value.val[6] = | |
2620 | (l2o->logical_net_id >> 8) & 0xff; | |
2621 | ecom_value.val[7] = | |
2622 | (l2o->logical_net_id >> 0) & 0xff; | |
2623 | rtlist = ecommunity_new(); | |
1207a5bc | 2624 | ecommunity_add_val(rtlist, &ecom_value, |
2625 | false, false); | |
d62a17ae | 2626 | } |
2627 | if (l2o->tag_id) { | |
2628 | as_t as = bgp->as; | |
2629 | uint16_t val = l2o->tag_id; | |
2630 | memset((char *)&ecom_value, 0, | |
2631 | sizeof(ecom_value)); | |
2632 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2633 | if (as > BGP_AS_MAX) { | |
2634 | ecom_value.val[0] = | |
2635 | ECOMMUNITY_ENCODE_AS4; | |
2636 | ecom_value.val[2] = (as >> 24) & 0xff; | |
2637 | ecom_value.val[3] = (as >> 16) & 0xff; | |
2638 | ecom_value.val[4] = (as >> 8) & 0xff; | |
2639 | ecom_value.val[5] = as & 0xff; | |
2640 | } else { | |
2641 | ecom_value.val[0] = | |
2642 | ECOMMUNITY_ENCODE_AS; | |
2643 | ecom_value.val[2] = (as >> 8) & 0xff; | |
2644 | ecom_value.val[3] = as & 0xff; | |
2645 | } | |
2646 | ecom_value.val[6] = (val >> 8) & 0xff; | |
2647 | ecom_value.val[7] = val & 0xff; | |
2648 | if (rtlist == NULL) | |
2649 | rtlist = ecommunity_new(); | |
1207a5bc | 2650 | ecommunity_add_val(rtlist, &ecom_value, |
2651 | false, false); | |
d62a17ae | 2652 | } |
2653 | } | |
2654 | ||
2655 | /* | |
2656 | * advertise prefix via tunnel endpoint | |
2657 | */ | |
2658 | add_vnc_route( | |
2659 | rfd, /* rfapi descr, for export list & backref */ | |
2660 | bgp, /* which bgp instance */ | |
2661 | SAFI_MPLS_VPN, /* which SAFI */ | |
2662 | (pfx_ip ? pfx_ip | |
2663 | : &pfx_vn_buf), /* prefix being advertised */ | |
2664 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2665 | &rfd->vn_addr, /* nexthop */ | |
2666 | &local_pref, | |
2667 | &lifetime, /* prefix lifetime -> Tunnel Encap attr */ | |
2668 | NULL, options_un, /* rfapi un options */ | |
2669 | options_vn, /* rfapi vn options */ | |
2670 | (rtlist ? rtlist : rfd->rt_export_list), NULL, /* med */ | |
2671 | label, /* label: default */ | |
2672 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
2673 | ||
2674 | if (rtlist) | |
2675 | ecommunity_free(&rtlist); /* sets rtlist = NULL */ | |
2676 | } | |
2677 | ||
2678 | vnc_zlog_debug_verbose("%s: success", __func__); | |
2679 | return 0; | |
65efcfce LB |
2680 | } |
2681 | ||
d62a17ae | 2682 | int rfapi_query(void *handle, struct rfapi_ip_addr *target, |
2683 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
2684 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 2685 | { |
d62a17ae | 2686 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2687 | struct bgp *bgp = rfd->bgp; | |
2688 | int rc; | |
2689 | ||
2690 | assert(ppNextHopEntry); | |
2691 | *ppNextHopEntry = NULL; | |
2692 | ||
2693 | if (bgp && bgp->rfapi) { | |
2694 | bgp->rfapi->stat.count_queries++; | |
2695 | } | |
2696 | ||
2697 | if (!rfd->rfg) { | |
2698 | if (bgp && bgp->rfapi) | |
2699 | ++bgp->rfapi->stat.count_queries_failed; | |
2700 | return ESTALE; | |
2701 | } | |
2702 | ||
2703 | if ((rc = rfapi_query_inner(handle, target, l2o, ppNextHopEntry))) { | |
2704 | if (bgp && bgp->rfapi) | |
2705 | ++bgp->rfapi->stat.count_queries_failed; | |
2706 | } | |
2707 | return rc; | |
65efcfce LB |
2708 | } |
2709 | ||
d62a17ae | 2710 | int rfapi_query_done(rfapi_handle handle, struct rfapi_ip_addr *target) |
65efcfce | 2711 | { |
d62a17ae | 2712 | struct prefix p; |
2713 | int rc; | |
2714 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; | |
2715 | struct bgp *bgp = rfd->bgp; | |
65efcfce | 2716 | |
d62a17ae | 2717 | if (!rfd->rfg) |
2718 | return ESTALE; | |
65efcfce | 2719 | |
d62a17ae | 2720 | assert(target); |
2721 | rc = rfapiRaddr2Qprefix(target, &p); | |
2722 | assert(!rc); | |
65efcfce | 2723 | |
d62a17ae | 2724 | if (!is_valid_rfd(rfd)) |
2725 | return EBADF; | |
65efcfce | 2726 | |
d62a17ae | 2727 | /* preemptive */ |
2728 | if (!bgp || !bgp->rfapi) | |
2729 | return ENXIO; | |
65efcfce | 2730 | |
d62a17ae | 2731 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) |
2732 | return EDEADLK; | |
65efcfce | 2733 | |
d62a17ae | 2734 | rfapiMonitorDel(bgp, rfd, &p); |
65efcfce | 2735 | |
d62a17ae | 2736 | return 0; |
65efcfce LB |
2737 | } |
2738 | ||
d62a17ae | 2739 | int rfapi_query_done_all(rfapi_handle handle, int *count) |
65efcfce | 2740 | { |
d62a17ae | 2741 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2742 | struct bgp *bgp = rfd->bgp; | |
2743 | ; | |
2744 | int num; | |
65efcfce | 2745 | |
d62a17ae | 2746 | if (!rfd->rfg) |
2747 | return ESTALE; | |
65efcfce | 2748 | |
d62a17ae | 2749 | if (!is_valid_rfd(rfd)) |
2750 | return EBADF; | |
65efcfce | 2751 | |
d62a17ae | 2752 | /* preemptive */ |
2753 | if (!bgp || !bgp->rfapi) | |
2754 | return ENXIO; | |
65efcfce | 2755 | |
d62a17ae | 2756 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) |
2757 | return EDEADLK; | |
65efcfce | 2758 | |
d62a17ae | 2759 | num = rfapiMonitorDelHd(rfd); |
65efcfce | 2760 | |
d62a17ae | 2761 | if (count) |
2762 | *count = num; | |
65efcfce | 2763 | |
d62a17ae | 2764 | return 0; |
65efcfce LB |
2765 | } |
2766 | ||
d62a17ae | 2767 | void rfapi_free_next_hop_list(struct rfapi_next_hop_entry *list) |
65efcfce | 2768 | { |
d62a17ae | 2769 | struct rfapi_next_hop_entry *nh; |
2770 | struct rfapi_next_hop_entry *next; | |
2771 | ||
2772 | for (nh = list; nh; nh = next) { | |
2773 | next = nh->next; | |
2774 | rfapi_un_options_free(nh->un_options); | |
2775 | nh->un_options = NULL; | |
2776 | rfapi_vn_options_free(nh->vn_options); | |
2777 | nh->vn_options = NULL; | |
2778 | XFREE(MTYPE_RFAPI_NEXTHOP, nh); | |
2779 | } | |
65efcfce LB |
2780 | } |
2781 | ||
2782 | /* | |
2783 | * NULL handle => return total count across all nves | |
2784 | */ | |
d62a17ae | 2785 | uint32_t rfapi_monitor_count(void *handle) |
65efcfce | 2786 | { |
d62a17ae | 2787 | struct bgp *bgp = bgp_get_default(); |
2788 | uint32_t count; | |
65efcfce | 2789 | |
d62a17ae | 2790 | if (handle) { |
2791 | struct rfapi_descriptor *rfd = | |
2792 | (struct rfapi_descriptor *)handle; | |
2793 | count = rfd->monitor_count; | |
2794 | } else { | |
65efcfce | 2795 | |
d62a17ae | 2796 | if (!bgp || !bgp->rfapi) |
2797 | return 0; | |
65efcfce | 2798 | |
d62a17ae | 2799 | count = bgp->rfapi->monitor_count; |
2800 | } | |
65efcfce | 2801 | |
d62a17ae | 2802 | return count; |
65efcfce LB |
2803 | } |
2804 | ||
2805 | /*********************************************************************** | |
2806 | * CLI/CONFIG | |
2807 | ***********************************************************************/ | |
2808 | ||
2809 | DEFUN (debug_rfapi_show_nves, | |
2810 | debug_rfapi_show_nves_cmd, | |
2811 | "debug rfapi-dev show nves", | |
2812 | DEBUG_STR | |
2813 | DEBUG_RFAPI_STR | |
2814 | SHOW_STR | |
2815 | "NVE Information\n") | |
2816 | { | |
d62a17ae | 2817 | rfapiPrintMatchingDescriptors(vty, NULL, NULL); |
2818 | return CMD_SUCCESS; | |
65efcfce LB |
2819 | } |
2820 | ||
2821 | DEFUN ( | |
2822 | debug_rfapi_show_nves_vn_un, | |
2823 | debug_rfapi_show_nves_vn_un_cmd, | |
034d2de2 | 2824 | "debug rfapi-dev show nves <vn|un> <A.B.C.D|X:X::X:X>", /* prefix also ok */ |
65efcfce LB |
2825 | DEBUG_STR |
2826 | DEBUG_RFAPI_STR | |
2827 | SHOW_STR | |
2828 | "NVE Information\n" | |
034d2de2 DS |
2829 | "Specify virtual network\n" |
2830 | "Specify underlay network interface\n" | |
2831 | "IPv4 address\n" | |
2832 | "IPv6 address\n") | |
65efcfce | 2833 | { |
d62a17ae | 2834 | struct prefix pfx; |
2835 | ||
2836 | if (!str2prefix(argv[5]->arg, &pfx)) { | |
2837 | vty_out(vty, "Malformed address \"%s\"\n", argv[5]->arg); | |
2838 | return CMD_WARNING_CONFIG_FAILED; | |
2839 | } | |
2840 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
2841 | vty_out(vty, "Invalid address \"%s\"\n", argv[5]->arg); | |
2842 | return CMD_WARNING_CONFIG_FAILED; | |
2843 | } | |
2844 | ||
2845 | if (argv[4]->arg[0] == 'u') { | |
2846 | rfapiPrintMatchingDescriptors(vty, NULL, &pfx); | |
2847 | } else { | |
2848 | rfapiPrintMatchingDescriptors(vty, &pfx, NULL); | |
2849 | } | |
2850 | return CMD_SUCCESS; | |
65efcfce LB |
2851 | } |
2852 | ||
2853 | /* | |
2854 | * Note: this function does not flush vty output, so if it is called | |
2855 | * with a stream pointing to a vty, the user will have to type something | |
2856 | * before the callback output shows up | |
2857 | */ | |
d62a17ae | 2858 | static void test_nexthops_callback( |
2859 | // struct rfapi_ip_addr *target, | |
2860 | struct rfapi_next_hop_entry *next_hops, void *userdata) | |
65efcfce | 2861 | { |
d62a17ae | 2862 | void *stream = userdata; |
65efcfce | 2863 | |
d62a17ae | 2864 | int (*fp)(void *, const char *, ...); |
2865 | struct vty *vty; | |
2866 | void *out; | |
2867 | const char *vty_newline; | |
65efcfce | 2868 | |
d62a17ae | 2869 | if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0) |
2870 | return; | |
65efcfce | 2871 | |
d62a17ae | 2872 | fp(out, "Nexthops Callback, Target=("); |
2873 | // rfapiPrintRfapiIpAddr(stream, target); | |
2874 | fp(out, ")\n"); | |
65efcfce | 2875 | |
d62a17ae | 2876 | rfapiPrintNhl(stream, next_hops); |
65efcfce | 2877 | |
3a022a7f LB |
2878 | fp(out, "\n"); |
2879 | ||
d62a17ae | 2880 | rfapi_free_next_hop_list(next_hops); |
65efcfce LB |
2881 | } |
2882 | ||
2883 | DEFUN (debug_rfapi_open, | |
2884 | debug_rfapi_open_cmd, | |
034d2de2 | 2885 | "debug rfapi-dev open vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2886 | DEBUG_STR |
2887 | DEBUG_RFAPI_STR | |
2888 | "rfapi_open\n" | |
2889 | "indicate vn addr follows\n" | |
034d2de2 DS |
2890 | "virtual network interface IPv4 address\n" |
2891 | "virtual network interface IPv6 address\n" | |
2892 | "indicate xt addr follows\n" | |
2893 | "underlay network interface IPv4 address\n" | |
2894 | "underlay network interface IPv6 address\n") | |
65efcfce | 2895 | { |
d62a17ae | 2896 | struct rfapi_ip_addr vn; |
2897 | struct rfapi_ip_addr un; | |
ed4e30ed | 2898 | uint32_t lifetime = 0; |
d62a17ae | 2899 | int rc; |
2900 | rfapi_handle handle; | |
65efcfce | 2901 | |
d62a17ae | 2902 | /* |
2903 | * Get VN addr | |
2904 | */ | |
2905 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
2906 | return rc; | |
65efcfce | 2907 | |
d62a17ae | 2908 | /* |
2909 | * Get UN addr | |
2910 | */ | |
2911 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
2912 | return rc; | |
65efcfce | 2913 | |
d62a17ae | 2914 | rc = rfapi_open(rfapi_get_rfp_start_val_by_bgp(bgp_get_default()), &vn, |
2915 | &un, /*&uo */ NULL, &lifetime, NULL, &handle); | |
65efcfce | 2916 | |
d62a17ae | 2917 | vty_out(vty, "rfapi_open: status %d, handle %p, lifetime %d\n", rc, |
2918 | handle, lifetime); | |
65efcfce | 2919 | |
d62a17ae | 2920 | rc = rfapi_set_response_cb(handle, test_nexthops_callback); |
65efcfce | 2921 | |
d62a17ae | 2922 | vty_out(vty, "rfapi_set_response_cb: status %d\n", rc); |
65efcfce | 2923 | |
d62a17ae | 2924 | return CMD_SUCCESS; |
65efcfce LB |
2925 | } |
2926 | ||
2927 | ||
2928 | DEFUN (debug_rfapi_close_vn_un, | |
2929 | debug_rfapi_close_vn_un_cmd, | |
034d2de2 | 2930 | "debug rfapi-dev close vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2931 | DEBUG_STR |
2932 | DEBUG_RFAPI_STR | |
2933 | "rfapi_close\n" | |
2934 | "indicate vn addr follows\n" | |
034d2de2 DS |
2935 | "virtual network interface IPv4 address\n" |
2936 | "virtual network interface IPv6 address\n" | |
2937 | "indicate xt addr follows\n" | |
2938 | "underlay network interface IPv4 address\n" | |
2939 | "underlay network interface IPv6 address\n") | |
65efcfce | 2940 | { |
d62a17ae | 2941 | struct rfapi_ip_addr vn; |
2942 | struct rfapi_ip_addr un; | |
2943 | rfapi_handle handle; | |
2944 | int rc; | |
65efcfce | 2945 | |
d62a17ae | 2946 | /* |
2947 | * Get VN addr | |
2948 | */ | |
2949 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
2950 | return rc; | |
65efcfce LB |
2951 | |
2952 | ||
d62a17ae | 2953 | /* |
2954 | * Get UN addr | |
2955 | */ | |
2956 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
2957 | return rc; | |
65efcfce LB |
2958 | |
2959 | ||
d62a17ae | 2960 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
2961 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
2962 | argv[4]->arg, argv[6]->arg); | |
2963 | return CMD_WARNING_CONFIG_FAILED; | |
2964 | } | |
65efcfce | 2965 | |
d62a17ae | 2966 | rc = rfapi_close(handle); |
65efcfce | 2967 | |
d62a17ae | 2968 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 2969 | |
d62a17ae | 2970 | return CMD_SUCCESS; |
65efcfce LB |
2971 | } |
2972 | ||
2973 | DEFUN (debug_rfapi_close_rfd, | |
2974 | debug_rfapi_close_rfd_cmd, | |
2975 | "debug rfapi-dev close rfd HANDLE", | |
2976 | DEBUG_STR | |
2977 | DEBUG_RFAPI_STR | |
2978 | "rfapi_close\n" | |
2979 | "indicate handle follows\n" "rfapi handle in hexadecimal\n") | |
2980 | { | |
d62a17ae | 2981 | rfapi_handle handle; |
2982 | int rc; | |
2983 | char *endptr = NULL; | |
65efcfce | 2984 | |
d62a17ae | 2985 | handle = (rfapi_handle)(uintptr_t)(strtoull(argv[4]->arg, &endptr, 16)); |
65efcfce | 2986 | |
d62a17ae | 2987 | if (*endptr != '\0' || (uintptr_t)handle == UINTPTR_MAX) { |
2988 | vty_out(vty, "Invalid value: %s\n", argv[4]->arg); | |
2989 | return CMD_WARNING_CONFIG_FAILED; | |
2990 | } | |
65efcfce | 2991 | |
d62a17ae | 2992 | rc = rfapi_close(handle); |
65efcfce | 2993 | |
d62a17ae | 2994 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 2995 | |
d62a17ae | 2996 | return CMD_SUCCESS; |
65efcfce LB |
2997 | } |
2998 | ||
2999 | DEFUN (debug_rfapi_register_vn_un, | |
3000 | debug_rfapi_register_vn_un_cmd, | |
3a022a7f | 3001 | "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 |
3002 | DEBUG_STR |
3003 | DEBUG_RFAPI_STR | |
3004 | "rfapi_register\n" | |
3005 | "indicate vn addr follows\n" | |
3006 | "virtual network IPv4 interface address\n" | |
3007 | "virtual network IPv6 interface address\n" | |
d62a17ae | 3008 | "indicate un addr follows\n" |
3009 | "underlay network IPv4 interface address\n" | |
3010 | "underlay network IPv6 interface address\n" | |
3011 | "indicate prefix follows\n" | |
3012 | "IPv4 prefix\n" | |
3013 | "IPv6 prefix\n" | |
3014 | "indicate lifetime follows\n" | |
3a022a7f LB |
3015 | "lifetime\n" |
3016 | "Cost (localpref = 255-cost)\n" | |
3017 | "0-255\n") | |
d62a17ae | 3018 | { |
3019 | struct rfapi_ip_addr vn; | |
3020 | struct rfapi_ip_addr un; | |
3021 | rfapi_handle handle; | |
3022 | struct prefix pfx; | |
3023 | uint32_t lifetime; | |
3024 | struct rfapi_ip_prefix hpfx; | |
3025 | int rc; | |
3a022a7f | 3026 | uint8_t cost = 100; |
d62a17ae | 3027 | |
3028 | /* | |
3029 | * Get VN addr | |
3030 | */ | |
3031 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3032 | return rc; | |
3033 | ||
3034 | ||
3035 | /* | |
3036 | * Get UN addr | |
3037 | */ | |
3038 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3039 | return rc; | |
3040 | ||
3041 | ||
3042 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3043 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3044 | argv[4]->arg, argv[6]->arg); | |
3045 | return CMD_WARNING_CONFIG_FAILED; | |
3046 | } | |
3047 | ||
3048 | /* | |
3049 | * Get prefix to advertise | |
3050 | */ | |
3051 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3052 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3053 | return CMD_WARNING_CONFIG_FAILED; | |
3054 | } | |
3055 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3056 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3057 | return CMD_WARNING_CONFIG_FAILED; | |
3058 | } | |
3059 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3060 | ||
3061 | if (strmatch(argv[10]->text, "infinite")) { | |
3062 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3063 | } else { | |
3064 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3065 | } | |
3066 | ||
3a022a7f LB |
3067 | if (argc >= 13) |
3068 | cost = (uint8_t) strtoul(argv[12]->arg, NULL, 10); | |
3069 | hpfx.cost = cost; | |
d62a17ae | 3070 | |
973fd31c LB |
3071 | rc = rfapi_register(handle, &hpfx, lifetime, NULL, NULL, |
3072 | RFAPI_REGISTER_ADD); | |
d62a17ae | 3073 | if (rc) { |
3074 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3075 | strerror(rc)); | |
3076 | } | |
3077 | ||
3078 | return CMD_SUCCESS; | |
65efcfce LB |
3079 | } |
3080 | ||
3081 | DEFUN (debug_rfapi_register_vn_un_l2o, | |
3082 | debug_rfapi_register_vn_un_l2o_cmd, | |
034d2de2 | 3083 | "debug rfapi-dev register vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X> prefix <A.B.C.D/M|X:X::X:X/M> lifetime SECONDS macaddr YY:YY:YY:YY:YY:YY lni (0-16777215)", |
65efcfce LB |
3084 | DEBUG_STR |
3085 | DEBUG_RFAPI_STR | |
3086 | "rfapi_register\n" | |
3087 | "indicate vn addr follows\n" | |
3088 | "virtual network IPv4 interface address\n" | |
3089 | "virtual network IPv6 interface address\n" | |
3090 | "indicate un addr follows\n" | |
3091 | "underlay network IPv4 interface address\n" | |
3092 | "underlay network IPv6 interface address\n" | |
3093 | "indicate prefix follows\n" | |
3094 | "IPv4 prefix\n" | |
034d2de2 DS |
3095 | "IPv6 prefix\n" |
3096 | "indicate lifetime follows\n" | |
3097 | "Seconds of lifetime\n" | |
3098 | "indicate MAC address follows\n" | |
3099 | "MAC address\n" | |
3100 | "indicate lni follows\n" | |
3101 | "lni value range\n") | |
65efcfce | 3102 | { |
d62a17ae | 3103 | struct rfapi_ip_addr vn; |
3104 | struct rfapi_ip_addr un; | |
3105 | rfapi_handle handle; | |
3106 | struct prefix pfx; | |
3107 | uint32_t lifetime; | |
3108 | struct rfapi_ip_prefix hpfx; | |
3109 | int rc; | |
3110 | struct rfapi_vn_option optary[10]; /* XXX must be big enough */ | |
3111 | struct rfapi_vn_option *opt = NULL; | |
3112 | int opt_next = 0; | |
3113 | ||
3114 | /* | |
3115 | * Get VN addr | |
3116 | */ | |
3117 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3118 | return rc; | |
3119 | ||
3120 | ||
3121 | /* | |
3122 | * Get UN addr | |
3123 | */ | |
3124 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3125 | return rc; | |
3126 | ||
3127 | ||
3128 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3129 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3130 | argv[4]->arg, argv[6]->arg); | |
3131 | return CMD_WARNING_CONFIG_FAILED; | |
3132 | } | |
3133 | ||
3134 | /* | |
3135 | * Get prefix to advertise | |
3136 | */ | |
3137 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3138 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3139 | return CMD_WARNING_CONFIG_FAILED; | |
3140 | } | |
3141 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3142 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3143 | return CMD_WARNING_CONFIG_FAILED; | |
3144 | } | |
3145 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3146 | ||
3147 | if (strmatch(argv[10]->text, "infinite")) { | |
3148 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3149 | } else { | |
3150 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3151 | } | |
3152 | ||
3153 | /* L2 option parsing START */ | |
3154 | memset(optary, 0, sizeof(optary)); | |
3155 | optary[opt_next].v.l2addr.logical_net_id = | |
3156 | strtoul(argv[14]->arg, NULL, 10); | |
3f54c705 PM |
3157 | if (rfapiStr2EthAddr(argv[12]->arg, |
3158 | &optary[opt_next].v.l2addr.macaddr)) { | |
d62a17ae | 3159 | vty_out(vty, "Bad mac address \"%s\"\n", argv[12]->arg); |
3160 | return CMD_WARNING_CONFIG_FAILED; | |
3161 | } | |
3162 | optary[opt_next].type = RFAPI_VN_OPTION_TYPE_L2ADDR; | |
c7e803f1 DS |
3163 | opt = optary; |
3164 | ||
d62a17ae | 3165 | /* L2 option parsing END */ |
3166 | ||
3167 | /* TBD fixme */ | |
973fd31c LB |
3168 | rc = rfapi_register(handle, &hpfx, lifetime, NULL /* &uo */, opt, |
3169 | RFAPI_REGISTER_ADD); | |
d62a17ae | 3170 | if (rc) { |
3171 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3172 | strerror(rc)); | |
3173 | } | |
3174 | ||
3175 | return CMD_SUCCESS; | |
65efcfce LB |
3176 | } |
3177 | ||
3178 | ||
3179 | DEFUN (debug_rfapi_unregister_vn_un, | |
3180 | debug_rfapi_unregister_vn_un_cmd, | |
973fd31c | 3181 | "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 |
3182 | DEBUG_STR |
3183 | DEBUG_RFAPI_STR | |
3184 | "rfapi_register\n" | |
3185 | "indicate vn addr follows\n" | |
3186 | "virtual network interface address\n" | |
3187 | "indicate xt addr follows\n" | |
3188 | "underlay network interface address\n" | |
973fd31c LB |
3189 | "prefix to remove\n" |
3190 | "Remove without holddown") | |
65efcfce | 3191 | { |
d62a17ae | 3192 | struct rfapi_ip_addr vn; |
3193 | struct rfapi_ip_addr un; | |
3194 | rfapi_handle handle; | |
3195 | struct prefix pfx; | |
3196 | struct rfapi_ip_prefix hpfx; | |
3197 | int rc; | |
3198 | ||
3199 | /* | |
3200 | * Get VN addr | |
3201 | */ | |
3202 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3203 | return rc; | |
3204 | ||
3205 | ||
3206 | /* | |
3207 | * Get UN addr | |
3208 | */ | |
3209 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3210 | return rc; | |
3211 | ||
3212 | ||
3213 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3214 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3215 | argv[4]->arg, argv[6]->arg); | |
3216 | return CMD_WARNING_CONFIG_FAILED; | |
3217 | } | |
3218 | ||
3219 | /* | |
3220 | * Get prefix to advertise | |
3221 | */ | |
3222 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3223 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3224 | return CMD_WARNING_CONFIG_FAILED; | |
3225 | } | |
3226 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3227 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3228 | return CMD_WARNING_CONFIG_FAILED; | |
3229 | } | |
3230 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3231 | ||
973fd31c LB |
3232 | rfapi_register(handle, &hpfx, 0, NULL, NULL, |
3233 | (argc == 10 ? | |
3234 | RFAPI_REGISTER_KILL : RFAPI_REGISTER_WITHDRAW)); | |
d62a17ae | 3235 | |
3236 | return CMD_SUCCESS; | |
65efcfce LB |
3237 | } |
3238 | ||
3239 | DEFUN (debug_rfapi_query_vn_un, | |
3240 | debug_rfapi_query_vn_un_cmd, | |
034d2de2 | 3241 | "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 |
3242 | DEBUG_STR |
3243 | DEBUG_RFAPI_STR | |
3244 | "rfapi_query\n" | |
3245 | "indicate vn addr follows\n" | |
034d2de2 DS |
3246 | "virtual network interface IPv4 address\n" |
3247 | "virtual network interface IPv6 address\n" | |
3248 | "indicate un addr follows\n" | |
3249 | "IPv4 un address\n" | |
3250 | "IPv6 un address\n" | |
3251 | "indicate target follows\n" | |
3252 | "target IPv4 address\n" | |
3253 | "target IPv6 address\n") | |
65efcfce | 3254 | { |
d62a17ae | 3255 | struct rfapi_ip_addr vn; |
3256 | struct rfapi_ip_addr un; | |
3257 | struct rfapi_ip_addr target; | |
3258 | rfapi_handle handle; | |
3259 | int rc; | |
3260 | struct rfapi_next_hop_entry *pNextHopEntry; | |
3261 | ||
3262 | /* | |
3263 | * Get VN addr | |
3264 | */ | |
3265 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3266 | return rc; | |
3267 | ||
3268 | ||
3269 | /* | |
3270 | * Get UN addr | |
3271 | */ | |
3272 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3273 | return rc; | |
3274 | ||
3275 | ||
3276 | /* | |
3277 | * Get target addr | |
3278 | */ | |
3279 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[8]->arg, &target))) | |
3280 | return rc; | |
3281 | ||
3282 | ||
3283 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3284 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3285 | argv[4]->arg, argv[6]->arg); | |
3286 | return CMD_WARNING_CONFIG_FAILED; | |
3287 | } | |
3288 | ||
3289 | /* | |
3290 | * options parameter not used? Set to NULL for now | |
3291 | */ | |
3292 | rc = rfapi_query(handle, &target, NULL, &pNextHopEntry); | |
3293 | ||
3294 | if (rc) { | |
3295 | vty_out(vty, "rfapi_query failed with rc=%d (%s)\n", rc, | |
3296 | strerror(rc)); | |
3297 | } else { | |
3298 | /* | |
3299 | * print nexthop list | |
3300 | */ | |
3301 | test_nexthops_callback(/*&target, */ pNextHopEntry, | |
3302 | vty); /* frees nh list! */ | |
3303 | } | |
3304 | ||
3305 | return CMD_SUCCESS; | |
65efcfce LB |
3306 | } |
3307 | ||
3308 | ||
3309 | DEFUN (debug_rfapi_query_vn_un_l2o, | |
3310 | debug_rfapi_query_vn_un_l2o_cmd, | |
034d2de2 | 3311 | "debug rfapi-dev query vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X> lni LNI target YY:YY:YY:YY:YY:YY", |
65efcfce LB |
3312 | DEBUG_STR |
3313 | DEBUG_RFAPI_STR | |
3314 | "rfapi_query\n" | |
3315 | "indicate vn addr follows\n" | |
034d2de2 DS |
3316 | "virtual network interface IPv4 address\n" |
3317 | "virtual network interface IPv6 address\n" | |
65efcfce | 3318 | "indicate xt addr follows\n" |
034d2de2 DS |
3319 | "underlay network interface IPv4 address\n" |
3320 | "underlay network interface IPv6 address\n" | |
65efcfce LB |
3321 | "logical network ID follows\n" |
3322 | "logical network ID\n" | |
034d2de2 DS |
3323 | "indicate target MAC addr follows\n" |
3324 | "target MAC addr\n") | |
65efcfce | 3325 | { |
d62a17ae | 3326 | struct rfapi_ip_addr vn; |
3327 | struct rfapi_ip_addr un; | |
d62a17ae | 3328 | int rc; |
d62a17ae | 3329 | |
3330 | /* | |
3331 | * Get VN addr | |
3332 | */ | |
3333 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3334 | return rc; | |
3335 | ||
3336 | ||
3337 | /* | |
3338 | * Get UN addr | |
3339 | */ | |
3340 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3341 | return rc; | |
65efcfce | 3342 | |
d62a17ae | 3343 | vty_out(vty, "%% This command is broken.\n"); |
3344 | return CMD_WARNING_CONFIG_FAILED; | |
65efcfce LB |
3345 | } |
3346 | ||
3347 | ||
3348 | DEFUN (debug_rfapi_query_done_vn_un, | |
3349 | debug_rfapi_query_vn_un_done_cmd, | |
034d2de2 | 3350 | "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 |
3351 | DEBUG_STR |
3352 | DEBUG_RFAPI_STR | |
3353 | "rfapi_query_done\n" | |
034d2de2 | 3354 | "rfapi_query_done\n" |
65efcfce | 3355 | "indicate vn addr follows\n" |
034d2de2 DS |
3356 | "virtual network interface IPv4 address\n" |
3357 | "virtual network interface IPv6 address\n" | |
65efcfce | 3358 | "indicate xt addr follows\n" |
034d2de2 DS |
3359 | "underlay network interface IPv4 address\n" |
3360 | "underlay network interface IPv6 address\n" | |
3361 | "indicate target follows\n" | |
3362 | "Target IPv4 address\n" | |
3363 | "Target IPv6 address\n") | |
65efcfce | 3364 | { |
d62a17ae | 3365 | struct rfapi_ip_addr vn; |
3366 | struct rfapi_ip_addr un; | |
3367 | struct rfapi_ip_addr target; | |
3368 | rfapi_handle handle; | |
3369 | int rc; | |
65efcfce | 3370 | |
d62a17ae | 3371 | /* |
3372 | * Get VN addr | |
3373 | */ | |
3374 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3375 | return rc; | |
65efcfce LB |
3376 | |
3377 | ||
d62a17ae | 3378 | /* |
3379 | * Get UN addr | |
3380 | */ | |
3381 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3382 | return rc; | |
65efcfce LB |
3383 | |
3384 | ||
d62a17ae | 3385 | /* |
3386 | * Get target addr | |
3387 | */ | |
3388 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[9]->arg, &target))) | |
3389 | return rc; | |
65efcfce LB |
3390 | |
3391 | ||
d62a17ae | 3392 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
3393 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3394 | argv[5]->arg, argv[7]->arg); | |
3395 | return CMD_WARNING_CONFIG_FAILED; | |
3396 | } | |
65efcfce | 3397 | |
d62a17ae | 3398 | /* |
3399 | * options parameter not used? Set to NULL for now | |
3400 | */ | |
3401 | rc = rfapi_query_done(handle, &target); | |
65efcfce | 3402 | |
d62a17ae | 3403 | vty_out(vty, "rfapi_query_done returned %d\n", rc); |
65efcfce | 3404 | |
d62a17ae | 3405 | return CMD_SUCCESS; |
65efcfce LB |
3406 | } |
3407 | ||
3408 | DEFUN (debug_rfapi_show_import, | |
3409 | debug_rfapi_show_import_cmd, | |
3410 | "debug rfapi-dev show import", | |
3411 | DEBUG_STR | |
3412 | DEBUG_RFAPI_STR | |
3413 | SHOW_STR | |
3414 | "import\n") | |
3415 | { | |
d62a17ae | 3416 | struct bgp *bgp; |
3417 | struct rfapi *h; | |
3418 | struct rfapi_import_table *it; | |
3419 | char *s; | |
3420 | int first_l2 = 1; | |
3421 | ||
3422 | /* | |
3423 | * Show all import tables | |
3424 | */ | |
3425 | ||
3426 | bgp = bgp_get_default(); /* assume 1 instance for now */ | |
3427 | if (!bgp) { | |
3428 | vty_out(vty, "No BGP instance\n"); | |
3429 | return CMD_WARNING_CONFIG_FAILED; | |
3430 | } | |
3431 | ||
3432 | h = bgp->rfapi; | |
3433 | if (!h) { | |
3434 | vty_out(vty, "No RFAPI instance\n"); | |
3435 | return CMD_WARNING_CONFIG_FAILED; | |
3436 | } | |
3437 | ||
3438 | /* | |
3439 | * Iterate over all import tables; do a filtered import | |
3440 | * for the afi/safi combination | |
3441 | */ | |
3442 | ||
3443 | ||
3444 | for (it = h->imports; it; it = it->next) { | |
3445 | s = ecommunity_ecom2str(it->rt_import_list, | |
3446 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
3447 | vty_out(vty, "Import Table %p, RTs: %s\n", it, s); | |
3448 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
3449 | ||
3450 | rfapiShowImportTable(vty, "IP VPN", it->imported_vpn[AFI_IP], | |
3451 | 1); | |
3452 | rfapiShowImportTable(vty, "IP ENCAP", | |
3453 | it->imported_encap[AFI_IP], 0); | |
3454 | rfapiShowImportTable(vty, "IP6 VPN", it->imported_vpn[AFI_IP6], | |
3455 | 1); | |
3456 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3457 | it->imported_encap[AFI_IP6], 0); | |
3458 | } | |
3459 | ||
3460 | if (h->import_mac) { | |
3461 | void *cursor = NULL; | |
3462 | uint32_t lni; | |
3463 | uintptr_t lni_as_ptr; | |
3464 | int rc; | |
3465 | char buf[BUFSIZ]; | |
3466 | ||
3467 | for (rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3468 | (void **)&it, &cursor); | |
3469 | !rc; | |
3470 | rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3471 | (void **)&it, &cursor)) { | |
3472 | ||
3473 | if (it->imported_vpn[AFI_L2VPN]) { | |
3474 | lni = lni_as_ptr; | |
3475 | if (first_l2) { | |
3476 | vty_out(vty, | |
3477 | "\nLNI-based Ethernet Tables:\n"); | |
3478 | first_l2 = 0; | |
3479 | } | |
4ced1a2c | 3480 | snprintf(buf, sizeof(buf), "L2VPN LNI=%u", lni); |
d62a17ae | 3481 | rfapiShowImportTable( |
3482 | vty, buf, it->imported_vpn[AFI_L2VPN], | |
3483 | 1); | |
3484 | } | |
3485 | } | |
3486 | } | |
3487 | ||
3488 | rfapiShowImportTable(vty, "CE IT - IP VPN", | |
3489 | h->it_ce->imported_vpn[AFI_IP], 1); | |
3490 | ||
3491 | return CMD_SUCCESS; | |
65efcfce LB |
3492 | } |
3493 | ||
3494 | DEFUN (debug_rfapi_show_import_vn_un, | |
3495 | debug_rfapi_show_import_vn_un_cmd, | |
034d2de2 | 3496 | "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 |
3497 | DEBUG_STR |
3498 | DEBUG_RFAPI_STR | |
3499 | SHOW_STR | |
3500 | "import\n" | |
3501 | "indicate vn addr follows\n" | |
034d2de2 DS |
3502 | "virtual network interface IPv4 address\n" |
3503 | "virtual network interface IPv6 address\n" | |
3504 | "indicate xt addr follows\n" | |
3505 | "underlay network interface IPv4 address\n" | |
3506 | "underlay network interface IPv6 address\n") | |
65efcfce | 3507 | { |
d62a17ae | 3508 | struct rfapi_ip_addr vn; |
3509 | struct rfapi_ip_addr un; | |
3510 | rfapi_handle handle; | |
3511 | int rc; | |
3512 | struct rfapi_descriptor *rfd; | |
3513 | ||
3514 | /* | |
3515 | * Get VN addr | |
3516 | */ | |
3517 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3518 | return rc; | |
3519 | ||
3520 | ||
3521 | /* | |
3522 | * Get UN addr | |
3523 | */ | |
3524 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3525 | return rc; | |
3526 | ||
3527 | ||
3528 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3529 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3530 | argv[5]->arg, argv[7]->arg); | |
3531 | return CMD_WARNING_CONFIG_FAILED; | |
3532 | } | |
3533 | ||
3534 | rfd = (struct rfapi_descriptor *)handle; | |
3535 | ||
3536 | rfapiShowImportTable(vty, "IP VPN", | |
3537 | rfd->import_table->imported_vpn[AFI_IP], 1); | |
3538 | rfapiShowImportTable(vty, "IP ENCAP", | |
3539 | rfd->import_table->imported_encap[AFI_IP], 0); | |
3540 | rfapiShowImportTable(vty, "IP6 VPN", | |
3541 | rfd->import_table->imported_vpn[AFI_IP6], 1); | |
3542 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3543 | rfd->import_table->imported_encap[AFI_IP6], 0); | |
3544 | ||
3545 | return CMD_SUCCESS; | |
65efcfce LB |
3546 | } |
3547 | ||
3548 | DEFUN (debug_rfapi_response_omit_self, | |
3549 | debug_rfapi_response_omit_self_cmd, | |
034d2de2 | 3550 | "debug rfapi-dev response-omit-self <on|off>", |
65efcfce LB |
3551 | DEBUG_STR |
3552 | DEBUG_RFAPI_STR | |
3553 | "Omit self in RFP responses\n" | |
3554 | "filter out self from responses\n" "leave self in responses\n") | |
3555 | { | |
d62a17ae | 3556 | struct bgp *bgp = bgp_get_default(); |
3557 | ||
3558 | if (!bgp) { | |
3559 | vty_out(vty, "No BGP process is configured\n"); | |
3560 | return CMD_WARNING_CONFIG_FAILED; | |
3561 | } | |
3562 | if (!bgp->rfapi_cfg) { | |
3563 | vty_out(vty, "VNC not configured\n"); | |
3564 | return CMD_WARNING_CONFIG_FAILED; | |
3565 | } | |
3566 | ||
3567 | if (strmatch(argv[3]->text, "on")) | |
3568 | SET_FLAG(bgp->rfapi_cfg->flags, | |
3569 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3570 | else | |
3571 | UNSET_FLAG(bgp->rfapi_cfg->flags, | |
3572 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3573 | ||
3574 | return CMD_SUCCESS; | |
65efcfce LB |
3575 | } |
3576 | ||
3577 | ||
3578 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
3579 | ||
f8b6f499 | 3580 | #include "lib/skiplist.h" |
65efcfce LB |
3581 | DEFUN (skiplist_test_cli, |
3582 | skiplist_test_cli_cmd, | |
3583 | "skiplist test", | |
3584 | "skiplist command\n" | |
3585 | "test\n") | |
3586 | { | |
d62a17ae | 3587 | skiplist_test(vty); |
65efcfce | 3588 | |
d62a17ae | 3589 | return CMD_SUCCESS; |
65efcfce LB |
3590 | } |
3591 | ||
3592 | DEFUN (skiplist_debug_cli, | |
3593 | skiplist_debug_cli_cmd, | |
3594 | "skiplist debug", | |
3595 | "skiplist command\n" | |
3596 | "debug\n") | |
3597 | { | |
d62a17ae | 3598 | skiplist_debug(vty, NULL); |
3599 | return CMD_SUCCESS; | |
65efcfce LB |
3600 | } |
3601 | ||
3602 | #endif /* RFAPI_DEBUG_SKIPLIST_CLI */ | |
3603 | ||
d62a17ae | 3604 | void rfapi_init(void) |
65efcfce | 3605 | { |
d62a17ae | 3606 | bgp_rfapi_cfg_init(); |
3607 | vnc_debug_init(); | |
65efcfce | 3608 | |
d62a17ae | 3609 | install_element(ENABLE_NODE, &debug_rfapi_show_import_cmd); |
3610 | install_element(ENABLE_NODE, &debug_rfapi_show_import_vn_un_cmd); | |
65efcfce | 3611 | |
d62a17ae | 3612 | install_element(ENABLE_NODE, &debug_rfapi_open_cmd); |
3613 | install_element(ENABLE_NODE, &debug_rfapi_close_vn_un_cmd); | |
3614 | install_element(ENABLE_NODE, &debug_rfapi_close_rfd_cmd); | |
3615 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_cmd); | |
3616 | install_element(ENABLE_NODE, &debug_rfapi_unregister_vn_un_cmd); | |
3617 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_cmd); | |
3618 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_done_cmd); | |
3619 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_l2o_cmd); | |
65efcfce | 3620 | |
d62a17ae | 3621 | install_element(ENABLE_NODE, &debug_rfapi_response_omit_self_cmd); |
65efcfce | 3622 | |
d62a17ae | 3623 | /* Need the following show commands for gpz test scripts */ |
3624 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_cmd); | |
3625 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_vn_un_cmd); | |
3626 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_l2o_cmd); | |
65efcfce LB |
3627 | |
3628 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
d62a17ae | 3629 | install_element(ENABLE_NODE, &skiplist_test_cli_cmd); |
3630 | install_element(ENABLE_NODE, &skiplist_debug_cli_cmd); | |
65efcfce LB |
3631 | #endif |
3632 | ||
d62a17ae | 3633 | rfapi_vty_init(); |
65efcfce LB |
3634 | } |
3635 | ||
3636 | #ifdef DEBUG_RFAPI | |
d62a17ae | 3637 | static void rfapi_print_exported(struct bgp *bgp) |
65efcfce | 3638 | { |
9bcb3eef DS |
3639 | struct bgp_dest *destn; |
3640 | struct bgp_dest *dest; | |
40381db7 | 3641 | struct bgp_path_info *bpi; |
d62a17ae | 3642 | |
3643 | if (!bgp) | |
3644 | return; | |
3645 | ||
9bcb3eef DS |
3646 | for (destn = bgp_table_top(bgp->rib[AFI_IP][SAFI_MPLS_VPN]); destn; |
3647 | destn = bgp_route_next(destn)) { | |
67009e22 DS |
3648 | struct bgp_table *table; |
3649 | ||
9bcb3eef | 3650 | table = bgp_dest_get_bgp_table_info(destn); |
67009e22 | 3651 | if (!table) |
d62a17ae | 3652 | continue; |
9bcb3eef DS |
3653 | fprintf(stderr, "%s: vpn destn=%p\n", __func__, destn); |
3654 | for (dest = bgp_table_top(table); dest; | |
3655 | dest = bgp_route_next(dest)) { | |
3656 | bpi = bgp_dest_get_bgp_path_info(dest); | |
6f94b685 DS |
3657 | |
3658 | if (!bpi) | |
d62a17ae | 3659 | continue; |
9bcb3eef | 3660 | fprintf(stderr, "%s: dest=%p\n", __func__, dest); |
6f94b685 | 3661 | for (; bpi; bpi = bpi->next) { |
40381db7 | 3662 | rfapiPrintBi((void *)2, bpi); /* 2 => stderr */ |
d62a17ae | 3663 | } |
3664 | } | |
3665 | } | |
9bcb3eef DS |
3666 | for (destn = bgp_table_top(bgp->rib[AFI_IP][SAFI_ENCAP]); destn; |
3667 | destn = bgp_route_next(destn)) { | |
67009e22 DS |
3668 | struct bgp_table *table; |
3669 | ||
9bcb3eef | 3670 | table = bgp_dest_get_bgp_table_info(destn); |
67009e22 | 3671 | if (!table) |
d62a17ae | 3672 | continue; |
9bcb3eef | 3673 | fprintf(stderr, "%s: encap destn=%p\n", __func__, destn); |
841d18ab DS |
3674 | for (dest = bgp_table_top(table); dest; |
3675 | dest = bgp_route_next(dest)) { | |
3676 | bpi = bgp_dest_get_bgp_path_info(dest); | |
3677 | if (!bpi) | |
3678 | continue; | |
3679 | fprintf(stderr, "%s: dest=%p\n", __func__, dest); | |
3680 | for (; bpi; bpi = bpi->next) { | |
3681 | rfapiPrintBi((void *)2, bpi); /* 2 => stderr */ | |
3682 | } | |
3683 | } | |
d62a17ae | 3684 | } |
65efcfce LB |
3685 | } |
3686 | #endif /* defined(DEBUG_RFAPI) */ | |
3687 | ||
3688 | /* | |
3689 | * Free all memory to prepare for clean exit as seen by valgrind memcheck | |
3690 | */ | |
d62a17ae | 3691 | void rfapi_delete(struct bgp *bgp) |
65efcfce | 3692 | { |
d62a17ae | 3693 | extern void rfp_clear_vnc_nve_all(void); /* can't fix correctly yet */ |
3694 | ||
3695 | /* | |
3696 | * This clears queries and registered routes, and closes nves | |
3697 | */ | |
3698 | if (bgp->rfapi) | |
3699 | rfp_clear_vnc_nve_all(); | |
3700 | bgp_rfapi_cfg_destroy(bgp, bgp->rfapi_cfg); | |
3701 | bgp->rfapi_cfg = NULL; | |
3702 | bgp_rfapi_destroy(bgp, bgp->rfapi); | |
3703 | bgp->rfapi = NULL; | |
65efcfce | 3704 | #ifdef DEBUG_RFAPI |
d62a17ae | 3705 | /* |
3706 | * show what's left in the BGP MPLSVPN RIB | |
3707 | */ | |
3708 | rfapi_print_exported(bgp); | |
65efcfce | 3709 | #endif |
65efcfce LB |
3710 | } |
3711 | ||
d62a17ae | 3712 | int rfapi_set_autord_from_vn(struct prefix_rd *rd, struct rfapi_ip_addr *vn) |
65efcfce | 3713 | { |
d62a17ae | 3714 | vnc_zlog_debug_verbose("%s: auto-assigning RD", __func__); |
3715 | if (vn->addr_family != AF_INET && vn->addr_family != AF_INET6) { | |
3716 | vnc_zlog_debug_verbose( | |
3efd0893 | 3717 | "%s: can't auto-assign RD, VN addr family is not IPv4|v6", |
d62a17ae | 3718 | __func__); |
3719 | return EAFNOSUPPORT; | |
3720 | } | |
3721 | rd->family = AF_UNSPEC; | |
3722 | rd->prefixlen = 64; | |
3723 | rd->val[1] = RD_TYPE_IP; | |
3724 | if (vn->addr_family == AF_INET) { | |
3725 | memcpy(rd->val + 2, &vn->addr.v4.s_addr, 4); | |
3726 | } else { /* is v6 */ | |
3727 | memcpy(rd->val + 2, &vn->addr.v6.s6_addr32[3], | |
3728 | 4); /* low order 4 bytes */ | |
3729 | } | |
3730 | { | |
06b9f471 DS |
3731 | char buf[RD_ADDRSTRLEN]; |
3732 | ||
d62a17ae | 3733 | vnc_zlog_debug_verbose("%s: auto-RD is set to %s", __func__, |
06b9f471 | 3734 | prefix_rd2str(rd, buf, sizeof(buf))); |
d62a17ae | 3735 | } |
3736 | return 0; | |
65efcfce LB |
3737 | } |
3738 | ||
3739 | /*------------------------------------------ | |
3740 | * rfapi_bgp_lookup_by_rfp | |
3741 | * | |
3742 | * Find bgp instance pointer based on value returned by rfp_start | |
3743 | * | |
d62a17ae | 3744 | * input: |
65efcfce LB |
3745 | * rfp_start_val value returned by rfp_startor |
3746 | * NULL (=get default instance) | |
3747 | * | |
3748 | * output: | |
3749 | * none | |
3750 | * | |
3751 | * return value: | |
3752 | * bgp bgp instance pointer | |
3753 | * NULL = not found | |
3754 | * | |
3755 | --------------------------------------------*/ | |
d62a17ae | 3756 | struct bgp *rfapi_bgp_lookup_by_rfp(void *rfp_start_val) |
65efcfce | 3757 | { |
d62a17ae | 3758 | struct bgp *bgp = NULL; |
3759 | struct listnode *node, *nnode; | |
3760 | ||
3761 | if (rfp_start_val == NULL) | |
3762 | bgp = bgp_get_default(); | |
3763 | else | |
3764 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) | |
3765 | if (bgp->rfapi != NULL | |
3766 | && bgp->rfapi->rfp == rfp_start_val) | |
3767 | return bgp; | |
3768 | return bgp; | |
65efcfce LB |
3769 | } |
3770 | ||
3771 | /*------------------------------------------ | |
3772 | * rfapi_get_rfp_start_val_by_bgp | |
3773 | * | |
3774 | * Find bgp instance pointer based on value returned by rfp_start | |
3775 | * | |
d62a17ae | 3776 | * input: |
65efcfce LB |
3777 | * bgp bgp instance pointer |
3778 | * | |
3779 | * output: | |
3780 | * none | |
3781 | * | |
3782 | * return value: | |
3783 | * rfp_start_val | |
3784 | * NULL = not found | |
3785 | * | |
3786 | --------------------------------------------*/ | |
d62a17ae | 3787 | void *rfapi_get_rfp_start_val_by_bgp(struct bgp *bgp) |
65efcfce | 3788 | { |
d62a17ae | 3789 | if (!bgp || !bgp->rfapi) |
3790 | return NULL; | |
3791 | return bgp->rfapi->rfp; | |
65efcfce LB |
3792 | } |
3793 | ||
3794 | /*********************************************************************** | |
3795 | * RFP group specific configuration | |
3796 | ***********************************************************************/ | |
d62a17ae | 3797 | static void *rfapi_rfp_get_or_init_group_config_default(struct rfapi_cfg *rfc, |
3798 | struct vty *vty, | |
3799 | uint32_t size) | |
65efcfce | 3800 | { |
d62a17ae | 3801 | if (rfc->default_rfp_cfg == NULL && size > 0) { |
3802 | rfc->default_rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3803 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3804 | size); | |
3805 | } | |
3806 | return rfc->default_rfp_cfg; | |
65efcfce LB |
3807 | } |
3808 | ||
d62a17ae | 3809 | static void *rfapi_rfp_get_or_init_group_config_nve(struct rfapi_cfg *rfc, |
3810 | struct vty *vty, | |
3811 | uint32_t size) | |
65efcfce | 3812 | { |
d62a17ae | 3813 | struct rfapi_nve_group_cfg *rfg = |
3814 | VTY_GET_CONTEXT_SUB(rfapi_nve_group_cfg); | |
3815 | ||
3816 | /* make sure group is still in list */ | |
3817 | if (!rfg || !listnode_lookup(rfc->nve_groups_sequential, rfg)) { | |
3818 | /* Not in list anymore */ | |
3819 | vty_out(vty, "Current NVE group no longer exists\n"); | |
3820 | return NULL; | |
3821 | } | |
3822 | ||
3823 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3824 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3825 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3826 | size); | |
3827 | } | |
3828 | return rfg->rfp_cfg; | |
65efcfce LB |
3829 | } |
3830 | ||
d62a17ae | 3831 | static void *rfapi_rfp_get_or_init_group_config_l2(struct rfapi_cfg *rfc, |
3832 | struct vty *vty, | |
3833 | uint32_t size) | |
65efcfce | 3834 | { |
d62a17ae | 3835 | struct rfapi_l2_group_cfg *rfg = |
3836 | VTY_GET_CONTEXT_SUB(rfapi_l2_group_cfg); | |
3837 | ||
3838 | /* make sure group is still in list */ | |
3839 | if (!rfg || !listnode_lookup(rfc->l2_groups, rfg)) { | |
3840 | /* Not in list anymore */ | |
3841 | vty_out(vty, "Current L2 group no longer exists\n"); | |
3842 | return NULL; | |
3843 | } | |
3844 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3845 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3846 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3847 | size); | |
3848 | } | |
3849 | return rfg->rfp_cfg; | |
65efcfce LB |
3850 | } |
3851 | ||
3852 | /*------------------------------------------ | |
3853 | * rfapi_rfp_init_group_config_ptr_vty | |
3854 | * | |
3855 | * This is used to init or return a previously init'ed group specific | |
d62a17ae | 3856 | * configuration pointer. Group is identified by vty context. |
65efcfce LB |
3857 | * NOTE: size is ignored when a previously init'ed value is returned. |
3858 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
3859 | * bgp restart or shutdown. | |
3860 | * | |
d62a17ae | 3861 | * input: |
65efcfce LB |
3862 | * rfp_start_val value returned by rfp_start |
3863 | * type group type | |
3864 | * vty quagga vty context | |
3865 | * size number of bytes to allocation | |
3866 | * | |
3867 | * output: | |
3868 | * none | |
3869 | * | |
d62a17ae | 3870 | * return value: |
65efcfce LB |
3871 | * rfp_cfg_group NULL or Pointer to configuration structure |
3872 | --------------------------------------------*/ | |
d62a17ae | 3873 | void *rfapi_rfp_init_group_config_ptr_vty(void *rfp_start_val, |
3874 | rfapi_rfp_cfg_group_type type, | |
3875 | struct vty *vty, uint32_t size) | |
65efcfce | 3876 | { |
d62a17ae | 3877 | struct bgp *bgp; |
3878 | void *ret = NULL; | |
3879 | ||
3880 | if (rfp_start_val == NULL || vty == NULL) | |
3881 | return NULL; | |
3882 | ||
3883 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
3884 | if (!bgp || !bgp->rfapi_cfg) | |
3885 | return NULL; | |
3886 | ||
3887 | switch (type) { | |
3888 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
3889 | ret = rfapi_rfp_get_or_init_group_config_default(bgp->rfapi_cfg, | |
3890 | vty, size); | |
3891 | break; | |
3892 | case RFAPI_RFP_CFG_GROUP_NVE: | |
3893 | ret = rfapi_rfp_get_or_init_group_config_nve(bgp->rfapi_cfg, | |
3894 | vty, size); | |
3895 | break; | |
3896 | case RFAPI_RFP_CFG_GROUP_L2: | |
3897 | ret = rfapi_rfp_get_or_init_group_config_l2(bgp->rfapi_cfg, vty, | |
3898 | size); | |
3899 | break; | |
3900 | default: | |
450971aa | 3901 | flog_err(EC_LIB_DEVELOPMENT, "%s: Unknown group type=%d", |
1c50c1c0 | 3902 | __func__, type); |
d62a17ae | 3903 | /* should never happen */ |
3904 | assert("Unknown type" == NULL); | |
3905 | break; | |
3906 | } | |
3907 | return ret; | |
65efcfce LB |
3908 | } |
3909 | ||
3910 | /*------------------------------------------ | |
3911 | * rfapi_rfp_get_group_config_ptr_vty | |
3912 | * | |
3913 | * This is used to get group specific configuration pointer. | |
3914 | * Group is identified by type and vty context. | |
3915 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
d62a17ae | 3916 | * bgp restart or shutdown. |
65efcfce | 3917 | * |
d62a17ae | 3918 | * input: |
65efcfce LB |
3919 | * rfp_start_val value returned by rfp_start |
3920 | * type group type | |
3921 | * vty quagga vty context | |
3922 | * | |
3923 | * output: | |
3924 | * none | |
3925 | * | |
3926 | * return value: | |
d62a17ae | 3927 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 3928 | --------------------------------------------*/ |
d62a17ae | 3929 | void *rfapi_rfp_get_group_config_ptr_vty(void *rfp_start_val, |
3930 | rfapi_rfp_cfg_group_type type, | |
3931 | struct vty *vty) | |
65efcfce | 3932 | { |
d62a17ae | 3933 | return rfapi_rfp_init_group_config_ptr_vty(rfp_start_val, type, vty, 0); |
65efcfce LB |
3934 | } |
3935 | ||
3936 | static void * | |
d62a17ae | 3937 | rfapi_rfp_get_group_config_name_nve(struct rfapi_cfg *rfc, const char *name, |
3938 | void *criteria, | |
3939 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3940 | { |
d62a17ae | 3941 | struct rfapi_nve_group_cfg *rfg; |
3942 | struct listnode *node; | |
3943 | ||
3944 | for (ALL_LIST_ELEMENTS_RO(rfc->nve_groups_sequential, node, rfg)) { | |
3945 | if (!strcmp(rfg->name, name) && /* name match */ | |
3946 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3947 | return rfg->rfp_cfg; | |
3948 | } | |
3949 | return NULL; | |
65efcfce LB |
3950 | } |
3951 | ||
3952 | static void * | |
d62a17ae | 3953 | rfapi_rfp_get_group_config_name_l2(struct rfapi_cfg *rfc, const char *name, |
3954 | void *criteria, | |
3955 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3956 | { |
d62a17ae | 3957 | struct rfapi_l2_group_cfg *rfg; |
3958 | struct listnode *node; | |
3959 | ||
3960 | for (ALL_LIST_ELEMENTS_RO(rfc->l2_groups, node, rfg)) { | |
3961 | if (!strcmp(rfg->name, name) && /* name match */ | |
3962 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3963 | return rfg->rfp_cfg; | |
3964 | } | |
3965 | return NULL; | |
65efcfce LB |
3966 | } |
3967 | ||
3968 | /*------------------------------------------ | |
3969 | * rfapi_rfp_get_group_config_ptr_name | |
3970 | * | |
3971 | * This is used to get group specific configuration pointer. | |
d62a17ae | 3972 | * Group is identified by type and name context. |
65efcfce LB |
3973 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, |
3974 | * bgp restart or shutdown. | |
3975 | * | |
d62a17ae | 3976 | * input: |
65efcfce LB |
3977 | * rfp_start_val value returned by rfp_start |
3978 | * type group type | |
3979 | * name group name | |
3980 | * criteria RFAPI caller provided serach criteria | |
3981 | * search_cb optional rfp_group_config_search_cb_t | |
3982 | * | |
3983 | * output: | |
3984 | * none | |
3985 | * | |
3986 | * return value: | |
d62a17ae | 3987 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 3988 | --------------------------------------------*/ |
d62a17ae | 3989 | void *rfapi_rfp_get_group_config_ptr_name( |
3990 | void *rfp_start_val, rfapi_rfp_cfg_group_type type, const char *name, | |
3991 | void *criteria, rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3992 | { |
d62a17ae | 3993 | struct bgp *bgp; |
3994 | void *ret = NULL; | |
3995 | ||
3996 | if (rfp_start_val == NULL || name == NULL) | |
3997 | return NULL; | |
3998 | ||
3999 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
4000 | if (!bgp || !bgp->rfapi_cfg) | |
4001 | return NULL; | |
4002 | ||
4003 | switch (type) { | |
4004 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
4005 | ret = bgp->rfapi_cfg->default_rfp_cfg; | |
4006 | break; | |
4007 | case RFAPI_RFP_CFG_GROUP_NVE: | |
4008 | ret = rfapi_rfp_get_group_config_name_nve(bgp->rfapi_cfg, name, | |
4009 | criteria, search_cb); | |
4010 | break; | |
4011 | case RFAPI_RFP_CFG_GROUP_L2: | |
4012 | ret = rfapi_rfp_get_group_config_name_l2(bgp->rfapi_cfg, name, | |
4013 | criteria, search_cb); | |
4014 | break; | |
4015 | default: | |
450971aa | 4016 | flog_err(EC_LIB_DEVELOPMENT, "%s: Unknown group type=%d", |
1c50c1c0 | 4017 | __func__, type); |
d62a17ae | 4018 | /* should never happen */ |
4019 | assert("Unknown type" == NULL); | |
4020 | break; | |
4021 | } | |
4022 | return ret; | |
65efcfce LB |
4023 | } |
4024 | ||
4025 | /*------------------------------------------ | |
4026 | * rfapi_rfp_get_l2_group_config_ptr_lni | |
4027 | * | |
4028 | * This is used to get group specific configuration pointer. | |
4029 | * Group is identified by type and logical network identifier. | |
4030 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4031 | * bgp restart or shutdown. | |
4032 | * | |
d62a17ae | 4033 | * input: |
65efcfce LB |
4034 | * rfp_start_val value returned by rfp_start |
4035 | * type group type | |
4036 | * logical_net_id group logical network identifier | |
4037 | * criteria RFAPI caller provided serach criteria | |
4038 | * search_cb optional rfp_group_config_search_cb_t | |
4039 | * | |
4040 | * output: | |
4041 | * none | |
4042 | * | |
4043 | * return value: | |
d62a17ae | 4044 | * rfp_cfg_group Pointer to configuration structure |
65efcfce LB |
4045 | --------------------------------------------*/ |
4046 | void * | |
d62a17ae | 4047 | rfapi_rfp_get_l2_group_config_ptr_lni(void *rfp_start_val, |
4048 | uint32_t logical_net_id, void *criteria, | |
4049 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 4050 | { |
d62a17ae | 4051 | struct bgp *bgp; |
4052 | struct rfapi_l2_group_cfg *rfg; | |
4053 | struct listnode *node; | |
4054 | ||
4055 | if (rfp_start_val == NULL) | |
4056 | return NULL; | |
4057 | ||
4058 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
4059 | if (!bgp || !bgp->rfapi_cfg) | |
4060 | return NULL; | |
4061 | ||
4062 | for (ALL_LIST_ELEMENTS_RO(bgp->rfapi_cfg->l2_groups, node, rfg)) { | |
4063 | if (rfg->logical_net_id == logical_net_id | |
4064 | && (search_cb == NULL | |
4065 | || !search_cb(criteria, rfg->rfp_cfg))) { | |
4066 | if (rfg->rfp_cfg == NULL) | |
4067 | vnc_zlog_debug_verbose( | |
4068 | "%s: returning rfp group config for lni=0", | |
4069 | __func__); | |
4070 | return rfg->rfp_cfg; | |
4071 | } | |
4072 | } | |
4073 | return NULL; | |
65efcfce | 4074 | } |