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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
d62a17ae | 2 | /* |
65efcfce LB |
3 | * |
4 | * Copyright 2009-2016, LabN Consulting, L.L.C. | |
5 | * | |
65efcfce LB |
6 | */ |
7 | ||
f8b6f499 LB |
8 | #include "lib/zebra.h" |
9 | #include "lib/prefix.h" | |
fe08ba7e | 10 | #include "lib/agg_table.h" |
f8b6f499 LB |
11 | #include "lib/vty.h" |
12 | #include "lib/memory.h" | |
13 | #include "lib/routemap.h" | |
14 | #include "lib/log.h" | |
15 | #include "lib/linklist.h" | |
16 | #include "lib/command.h" | |
17 | #include "lib/stream.h" | |
74ffbfe6 | 18 | #include "lib/ringbuf.h" |
02705213 | 19 | #include "lib/lib_errors.h" |
f8b6f499 LB |
20 | |
21 | #include "bgpd/bgpd.h" | |
22 | #include "bgpd/bgp_ecommunity.h" | |
23 | #include "bgpd/bgp_attr.h" | |
f8b6f499 LB |
24 | |
25 | #include "bgpd/rfapi/bgp_rfapi_cfg.h" | |
26 | #include "bgpd/rfapi/rfapi.h" | |
27 | #include "bgpd/rfapi/rfapi_backend.h" | |
28 | ||
29 | #include "bgpd/bgp_route.h" | |
c016b6c7 | 30 | #include "bgpd/bgp_mplsvpn.h" |
f8b6f499 LB |
31 | #include "bgpd/bgp_aspath.h" |
32 | #include "bgpd/bgp_advertise.h" | |
33 | #include "bgpd/bgp_vnc_types.h" | |
34 | #include "bgpd/bgp_zebra.h" | |
35 | ||
36 | #include "bgpd/rfapi/rfapi_import.h" | |
37 | #include "bgpd/rfapi/rfapi_private.h" | |
38 | #include "bgpd/rfapi/rfapi_monitor.h" | |
39 | #include "bgpd/rfapi/rfapi_vty.h" | |
40 | #include "bgpd/rfapi/vnc_export_bgp.h" | |
41 | #include "bgpd/rfapi/vnc_export_bgp_p.h" | |
42 | #include "bgpd/rfapi/vnc_zebra.h" | |
43 | #include "bgpd/rfapi/vnc_import_bgp.h" | |
44 | #include "bgpd/rfapi/rfapi_rib.h" | |
45 | #include "bgpd/rfapi/rfapi_ap.h" | |
46 | #include "bgpd/rfapi/rfapi_encap_tlv.h" | |
47 | #include "bgpd/rfapi/vnc_debug.h" | |
65efcfce LB |
48 | |
49 | #ifdef HAVE_GLIBC_BACKTRACE | |
50 | /* for backtrace and friends */ | |
51 | #include <execinfo.h> | |
52 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
53 | ||
c6a18e91 PZ |
54 | #define DEBUG_CLEANUP 0 |
55 | ||
d62a17ae | 56 | struct ethaddr rfapi_ethaddr0 = {{0}}; |
65efcfce LB |
57 | |
58 | #define DEBUG_RFAPI_STR "RF API debugging/testing command\n" | |
59 | ||
d62a17ae | 60 | const char *rfapi_error_str(int code) |
65efcfce | 61 | { |
d62a17ae | 62 | switch (code) { |
63 | case 0: | |
64 | return "Success"; | |
65 | case ENXIO: | |
66 | return "BGP or VNC not configured"; | |
67 | case ENOENT: | |
68 | return "No match"; | |
69 | case EEXIST: | |
70 | return "Handle already open"; | |
71 | case ENOMSG: | |
72 | return "Incomplete configuration"; | |
73 | case EAFNOSUPPORT: | |
74 | return "Invalid address family"; | |
75 | case EDEADLK: | |
76 | return "Called from within a callback procedure"; | |
77 | case EBADF: | |
78 | return "Invalid handle"; | |
79 | case EINVAL: | |
80 | return "Invalid argument"; | |
81 | case ESTALE: | |
82 | return "Stale descriptor"; | |
83 | default: | |
84 | return "Unknown error"; | |
85 | } | |
65efcfce LB |
86 | } |
87 | ||
88 | /*------------------------------------------ | |
89 | * rfapi_get_response_lifetime_default | |
90 | * | |
91 | * Returns the default lifetime for a response. | |
92 | * rfp_start_val value returned by rfp_start or | |
93 | * NULL (=use default instance) | |
94 | * | |
d62a17ae | 95 | * input: |
65efcfce LB |
96 | * None |
97 | * | |
98 | * output: | |
99 | * | |
100 | * return value: The bgp instance default lifetime for a response. | |
101 | --------------------------------------------*/ | |
d62a17ae | 102 | int rfapi_get_response_lifetime_default(void *rfp_start_val) |
65efcfce | 103 | { |
d62a17ae | 104 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
105 | if (bgp) | |
106 | return bgp->rfapi_cfg->default_response_lifetime; | |
107 | return BGP_VNC_DEFAULT_RESPONSE_LIFETIME_DEFAULT; | |
65efcfce LB |
108 | } |
109 | ||
110 | /*------------------------------------------ | |
111 | * rfapi_is_vnc_configured | |
112 | * | |
00827590 | 113 | * Returns if VNC is configured |
65efcfce | 114 | * |
d62a17ae | 115 | * input: |
65efcfce LB |
116 | * rfp_start_val value returned by rfp_start or |
117 | * NULL (=use default instance) | |
118 | * | |
119 | * output: | |
120 | * | |
121 | * return value: If VNC is configured for the bgpd instance | |
122 | * 0 Success | |
123 | * ENXIO VNC not configured | |
124 | --------------------------------------------*/ | |
d62a17ae | 125 | int rfapi_is_vnc_configured(void *rfp_start_val) |
65efcfce | 126 | { |
d62a17ae | 127 | struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
00827590 LB |
128 | if (bgp_rfapi_is_vnc_configured(bgp) == 0) |
129 | return 0; | |
130 | return ENXIO; | |
65efcfce LB |
131 | } |
132 | ||
133 | ||
134 | /*------------------------------------------ | |
135 | * rfapi_get_vn_addr | |
136 | * | |
137 | * Get the virtual network address used by an NVE based on it's RFD | |
138 | * | |
d62a17ae | 139 | * input: |
65efcfce LB |
140 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic |
141 | * | |
142 | * output: | |
143 | * | |
d62a17ae | 144 | * return value: |
65efcfce LB |
145 | * vn NVE virtual network address |
146 | *------------------------------------------*/ | |
d62a17ae | 147 | struct rfapi_ip_addr *rfapi_get_vn_addr(void *rfd) |
65efcfce | 148 | { |
d62a17ae | 149 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; |
150 | return &rrfd->vn_addr; | |
65efcfce LB |
151 | } |
152 | ||
153 | /*------------------------------------------ | |
154 | * rfapi_get_un_addr | |
155 | * | |
156 | * Get the underlay network address used by an NVE based on it's RFD | |
157 | * | |
d62a17ae | 158 | * input: |
65efcfce LB |
159 | * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic |
160 | * | |
161 | * output: | |
162 | * | |
d62a17ae | 163 | * return value: |
65efcfce LB |
164 | * un NVE underlay network address |
165 | *------------------------------------------*/ | |
d62a17ae | 166 | struct rfapi_ip_addr *rfapi_get_un_addr(void *rfd) |
65efcfce | 167 | { |
d62a17ae | 168 | struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; |
169 | return &rrfd->un_addr; | |
65efcfce LB |
170 | } |
171 | ||
d62a17ae | 172 | int rfapi_ip_addr_cmp(struct rfapi_ip_addr *a1, struct rfapi_ip_addr *a2) |
65efcfce | 173 | { |
d62a17ae | 174 | if (a1->addr_family != a2->addr_family) |
175 | return a1->addr_family - a2->addr_family; | |
65efcfce | 176 | |
d62a17ae | 177 | if (a1->addr_family == AF_INET) { |
178 | return IPV4_ADDR_CMP(&a1->addr.v4, &a2->addr.v4); | |
179 | } | |
65efcfce | 180 | |
d62a17ae | 181 | if (a1->addr_family == AF_INET6) { |
182 | return IPV6_ADDR_CMP(&a1->addr.v6, &a2->addr.v6); | |
183 | } | |
65efcfce | 184 | |
d62a17ae | 185 | assert(1); |
186 | /* NOTREACHED */ | |
187 | return 1; | |
65efcfce LB |
188 | } |
189 | ||
d62a17ae | 190 | static int rfapi_find_node(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
191 | struct rfapi_ip_addr *un_addr, | |
fe08ba7e | 192 | struct agg_node **node) |
65efcfce | 193 | { |
d62a17ae | 194 | struct rfapi *h; |
195 | struct prefix p; | |
fe08ba7e | 196 | struct agg_node *rn; |
d62a17ae | 197 | int rc; |
e7038dde | 198 | afi_t afi; |
65efcfce | 199 | |
d62a17ae | 200 | if (!bgp) { |
201 | return ENXIO; | |
202 | } | |
65efcfce | 203 | |
d62a17ae | 204 | h = bgp->rfapi; |
205 | if (!h) { | |
206 | return ENXIO; | |
207 | } | |
65efcfce | 208 | |
d62a17ae | 209 | afi = family2afi(un_addr->addr_family); |
210 | if (!afi) { | |
211 | return EAFNOSUPPORT; | |
212 | } | |
65efcfce | 213 | |
d62a17ae | 214 | if ((rc = rfapiRaddr2Qprefix(un_addr, &p))) |
215 | return rc; | |
65efcfce | 216 | |
fe08ba7e | 217 | rn = agg_node_lookup(h->un[afi], &p); |
65efcfce | 218 | |
d62a17ae | 219 | if (!rn) |
220 | return ENOENT; | |
65efcfce | 221 | |
fe08ba7e | 222 | agg_unlock_node(rn); |
65efcfce | 223 | |
d62a17ae | 224 | *node = rn; |
65efcfce | 225 | |
d62a17ae | 226 | return 0; |
65efcfce LB |
227 | } |
228 | ||
229 | ||
d62a17ae | 230 | int rfapi_find_rfd(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
231 | struct rfapi_ip_addr *un_addr, struct rfapi_descriptor **rfd) | |
65efcfce | 232 | { |
fe08ba7e | 233 | struct agg_node *rn; |
d62a17ae | 234 | int rc; |
65efcfce | 235 | |
d62a17ae | 236 | rc = rfapi_find_node(bgp, vn_addr, un_addr, &rn); |
65efcfce | 237 | |
d62a17ae | 238 | if (rc) |
239 | return rc; | |
65efcfce | 240 | |
d62a17ae | 241 | for (*rfd = (struct rfapi_descriptor *)(rn->info); *rfd; |
242 | *rfd = (*rfd)->next) { | |
243 | if (!rfapi_ip_addr_cmp(&(*rfd)->vn_addr, vn_addr)) | |
244 | break; | |
245 | } | |
65efcfce | 246 | |
d62a17ae | 247 | if (!*rfd) |
248 | return ENOENT; | |
65efcfce | 249 | |
d62a17ae | 250 | return 0; |
65efcfce LB |
251 | } |
252 | ||
253 | /*------------------------------------------ | |
254 | * rfapi_find_handle | |
255 | * | |
d62a17ae | 256 | * input: |
65efcfce LB |
257 | * un underlay network address |
258 | * vn virtual network address | |
259 | * | |
260 | * output: | |
261 | * pHandle pointer to location to store handle | |
262 | * | |
d62a17ae | 263 | * return value: |
65efcfce LB |
264 | * 0 Success |
265 | * ENOENT no matching handle | |
266 | * ENXIO BGP or VNC not configured | |
267 | *------------------------------------------*/ | |
d62a17ae | 268 | static int rfapi_find_handle(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, |
269 | struct rfapi_ip_addr *un_addr, | |
270 | rfapi_handle *handle) | |
65efcfce | 271 | { |
d62a17ae | 272 | struct rfapi_descriptor **rfd; |
65efcfce | 273 | |
d62a17ae | 274 | rfd = (struct rfapi_descriptor **)handle; |
65efcfce | 275 | |
d62a17ae | 276 | return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); |
65efcfce LB |
277 | } |
278 | ||
d62a17ae | 279 | static int rfapi_find_handle_vty(struct vty *vty, struct rfapi_ip_addr *vn_addr, |
280 | struct rfapi_ip_addr *un_addr, | |
281 | rfapi_handle *handle) | |
65efcfce | 282 | { |
d62a17ae | 283 | struct bgp *bgp; |
284 | struct rfapi_descriptor **rfd; | |
65efcfce | 285 | |
d62a17ae | 286 | bgp = bgp_get_default(); /* assume 1 instance for now */ |
65efcfce | 287 | |
d62a17ae | 288 | rfd = (struct rfapi_descriptor **)handle; |
65efcfce | 289 | |
d62a17ae | 290 | return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); |
65efcfce LB |
291 | } |
292 | ||
d62a17ae | 293 | static int is_valid_rfd(struct rfapi_descriptor *rfd) |
65efcfce | 294 | { |
d62a17ae | 295 | rfapi_handle hh; |
65efcfce | 296 | |
d62a17ae | 297 | if (!rfd || rfd->bgp == NULL) |
298 | return 0; | |
65efcfce | 299 | |
d62a17ae | 300 | if (CHECK_FLAG( |
301 | rfd->flags, | |
302 | RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ | |
303 | return 1; | |
5ff06872 | 304 | |
d62a17ae | 305 | if (rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh)) |
306 | return 0; | |
65efcfce | 307 | |
d62a17ae | 308 | if (rfd != hh) |
309 | return 0; | |
65efcfce | 310 | |
d62a17ae | 311 | return 1; |
65efcfce LB |
312 | } |
313 | ||
314 | /* | |
315 | * check status of descriptor | |
316 | */ | |
d62a17ae | 317 | int rfapi_check(void *handle) |
65efcfce | 318 | { |
d62a17ae | 319 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
320 | rfapi_handle hh; | |
321 | int rc; | |
65efcfce | 322 | |
d62a17ae | 323 | if (!rfd || rfd->bgp == NULL) |
324 | return EINVAL; | |
65efcfce | 325 | |
d62a17ae | 326 | if (CHECK_FLAG( |
327 | rfd->flags, | |
328 | RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ | |
329 | return 0; | |
5ff06872 | 330 | |
d62a17ae | 331 | if ((rc = rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, |
332 | &hh))) | |
333 | return rc; | |
65efcfce | 334 | |
d62a17ae | 335 | if (rfd != hh) |
336 | return ENOENT; | |
65efcfce | 337 | |
d62a17ae | 338 | if (!rfd->rfg) |
339 | return ESTALE; | |
65efcfce | 340 | |
d62a17ae | 341 | return 0; |
65efcfce LB |
342 | } |
343 | ||
344 | ||
d62a17ae | 345 | void del_vnc_route(struct rfapi_descriptor *rfd, |
346 | struct peer *peer, /* rfd->peer for RFP regs */ | |
5a1ae2c2 | 347 | struct bgp *bgp, safi_t safi, const struct prefix *p, |
d62a17ae | 348 | struct prefix_rd *prd, uint8_t type, uint8_t sub_type, |
349 | struct rfapi_nexthop *lnh, int kill) | |
65efcfce | 350 | { |
d62a17ae | 351 | afi_t afi; /* of the VN address */ |
9bcb3eef | 352 | struct bgp_dest *bn; |
40381db7 | 353 | struct bgp_path_info *bpi; |
d62a17ae | 354 | struct prefix_rd prd0; |
355 | ||
d62a17ae | 356 | afi = family2afi(p->family); |
357 | assert(afi == AFI_IP || afi == AFI_IP6); | |
358 | ||
359 | if (safi == SAFI_ENCAP) { | |
360 | memset(&prd0, 0, sizeof(prd0)); | |
361 | prd0.family = AF_UNSPEC; | |
362 | prd0.prefixlen = 64; | |
363 | prd = &prd0; | |
364 | } | |
365 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
366 | ||
367 | vnc_zlog_debug_verbose( | |
4a8cd6ad | 368 | "%s: peer=%p, prefix=%pFX, prd=%pRDP afi=%d, safi=%d bn=%p, bn->info=%p", |
c4f64ea9 DA |
369 | __func__, peer, p, prd, afi, safi, bn, |
370 | (bn ? bgp_dest_get_bgp_path_info(bn) : NULL)); | |
d62a17ae | 371 | |
9bcb3eef | 372 | for (bpi = (bn ? bgp_dest_get_bgp_path_info(bn) : NULL); bpi; |
6f94b685 | 373 | bpi = bpi->next) { |
d62a17ae | 374 | |
375 | vnc_zlog_debug_verbose( | |
05864da7 | 376 | "%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 |
377 | __func__, bpi, bpi->peer, bpi->type, bpi->sub_type, |
378 | (bpi->extra ? bpi->extra->vnc.export.rfapi_handle | |
379 | : NULL), | |
05864da7 DS |
380 | CHECK_FLAG(bpi->attr->flag, |
381 | ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF) | |
382 | ? bpi->attr->local_pref : 0)); | |
d62a17ae | 383 | |
40381db7 DS |
384 | if (bpi->peer == peer && bpi->type == type |
385 | && bpi->sub_type == sub_type && bpi->extra | |
386 | && bpi->extra->vnc.export.rfapi_handle == (void *)rfd) { | |
d62a17ae | 387 | |
388 | vnc_zlog_debug_verbose("%s: matched it", __func__); | |
389 | ||
390 | break; | |
391 | } | |
392 | } | |
393 | ||
394 | if (lnh) { | |
395 | /* | |
396 | * lnh set means to JUST delete the local nexthop from this | |
397 | * route. Leave the route itself in place. | |
398 | * TBD add return code reporting of success/failure | |
399 | */ | |
40381db7 DS |
400 | if (!bpi || !bpi->extra |
401 | || !bpi->extra->vnc.export.local_nexthops) { | |
d62a17ae | 402 | /* |
403 | * no local nexthops | |
404 | */ | |
405 | vnc_zlog_debug_verbose( | |
2dbe669b DA |
406 | "%s: lnh list already empty at prefix %pFX", |
407 | __func__, p); | |
d62a17ae | 408 | goto done; |
409 | } | |
410 | ||
411 | /* | |
412 | * look for it | |
413 | */ | |
414 | struct listnode *node; | |
415 | struct rfapi_nexthop *pLnh = NULL; | |
416 | ||
40381db7 | 417 | for (ALL_LIST_ELEMENTS_RO(bpi->extra->vnc.export.local_nexthops, |
d62a17ae | 418 | node, pLnh)) { |
419 | ||
420 | if (prefix_same(&pLnh->addr, &lnh->addr)) { | |
421 | break; | |
422 | } | |
423 | } | |
424 | ||
425 | if (pLnh) { | |
40381db7 | 426 | listnode_delete(bpi->extra->vnc.export.local_nexthops, |
d62a17ae | 427 | pLnh); |
428 | ||
429 | /* silly rabbit, listnode_delete doesn't invoke | |
430 | * list->del on data */ | |
431 | rfapi_nexthop_free(pLnh); | |
432 | } else { | |
2dbe669b DA |
433 | vnc_zlog_debug_verbose("%s: desired lnh not found %pFX", |
434 | __func__, p); | |
d62a17ae | 435 | } |
436 | goto done; | |
437 | } | |
438 | ||
439 | /* | |
440 | * loop back to import tables | |
441 | * Do this before removing from BGP RIB because rfapiProcessWithdraw | |
442 | * might refer to it | |
443 | */ | |
444 | rfapiProcessWithdraw(peer, rfd, p, prd, NULL, afi, safi, type, kill); | |
445 | ||
40381db7 | 446 | if (bpi) { |
d62a17ae | 447 | vnc_zlog_debug_verbose( |
2dbe669b DA |
448 | "%s: Found route (safi=%d) to delete at prefix %pFX", |
449 | __func__, safi, p); | |
d62a17ae | 450 | |
451 | if (safi == SAFI_MPLS_VPN) { | |
9bcb3eef | 452 | struct bgp_dest *pdest = NULL; |
d62a17ae | 453 | struct bgp_table *table = NULL; |
454 | ||
9bcb3eef DS |
455 | pdest = bgp_node_get(bgp->rib[afi][safi], |
456 | (struct prefix *)prd); | |
457 | table = bgp_dest_get_bgp_table_info(pdest); | |
67009e22 | 458 | if (table) |
d62a17ae | 459 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( |
40381db7 | 460 | bgp, prd, table, p, bpi); |
9bcb3eef | 461 | bgp_dest_unlock_node(pdest); |
d62a17ae | 462 | } |
463 | ||
464 | /* | |
465 | * Delete local_nexthops list | |
466 | */ | |
121e245d | 467 | if (bpi->extra && bpi->extra->vnc.export.local_nexthops) |
40381db7 | 468 | list_delete(&bpi->extra->vnc.export.local_nexthops); |
d62a17ae | 469 | |
40381db7 DS |
470 | bgp_aggregate_decrement(bgp, p, bpi, afi, safi); |
471 | bgp_path_info_delete(bn, bpi); | |
d62a17ae | 472 | bgp_process(bgp, bn, afi, safi); |
473 | } else { | |
474 | vnc_zlog_debug_verbose( | |
2dbe669b DA |
475 | "%s: Couldn't find route (safi=%d) at prefix %pFX", |
476 | __func__, safi, p); | |
d62a17ae | 477 | } |
65efcfce | 478 | done: |
9bcb3eef | 479 | bgp_dest_unlock_node(bn); |
65efcfce LB |
480 | } |
481 | ||
d62a17ae | 482 | struct rfapi_nexthop *rfapi_nexthop_new(struct rfapi_nexthop *copyme) |
65efcfce | 483 | { |
d62a17ae | 484 | struct rfapi_nexthop *new = |
485 | XCALLOC(MTYPE_RFAPI_NEXTHOP, sizeof(struct rfapi_nexthop)); | |
486 | if (copyme) | |
487 | *new = *copyme; | |
488 | return new; | |
65efcfce LB |
489 | } |
490 | ||
d62a17ae | 491 | void rfapi_nexthop_free(void *p) |
65efcfce | 492 | { |
d62a17ae | 493 | struct rfapi_nexthop *goner = p; |
494 | XFREE(MTYPE_RFAPI_NEXTHOP, goner); | |
65efcfce LB |
495 | } |
496 | ||
d62a17ae | 497 | struct rfapi_vn_option *rfapi_vn_options_dup(struct rfapi_vn_option *existing) |
65efcfce | 498 | { |
d62a17ae | 499 | struct rfapi_vn_option *p; |
500 | struct rfapi_vn_option *head = NULL; | |
501 | struct rfapi_vn_option *tail = NULL; | |
502 | ||
503 | for (p = existing; p; p = p->next) { | |
504 | struct rfapi_vn_option *new; | |
505 | ||
506 | new = XCALLOC(MTYPE_RFAPI_VN_OPTION, | |
507 | sizeof(struct rfapi_vn_option)); | |
508 | *new = *p; | |
509 | new->next = NULL; | |
510 | if (tail) | |
511 | (tail)->next = new; | |
512 | tail = new; | |
513 | if (!head) { | |
514 | head = new; | |
515 | } | |
516 | } | |
517 | return head; | |
65efcfce LB |
518 | } |
519 | ||
d62a17ae | 520 | void rfapi_un_options_free(struct rfapi_un_option *p) |
65efcfce | 521 | { |
d62a17ae | 522 | struct rfapi_un_option *next; |
65efcfce | 523 | |
d62a17ae | 524 | while (p) { |
525 | next = p->next; | |
526 | XFREE(MTYPE_RFAPI_UN_OPTION, p); | |
527 | p = next; | |
528 | } | |
65efcfce LB |
529 | } |
530 | ||
d62a17ae | 531 | void rfapi_vn_options_free(struct rfapi_vn_option *p) |
65efcfce | 532 | { |
d62a17ae | 533 | struct rfapi_vn_option *next; |
65efcfce | 534 | |
d62a17ae | 535 | while (p) { |
536 | next = p->next; | |
537 | XFREE(MTYPE_RFAPI_VN_OPTION, p); | |
538 | p = next; | |
539 | } | |
65efcfce LB |
540 | } |
541 | ||
542 | /* Based on bgp_redistribute_add() */ | |
d62a17ae | 543 | void add_vnc_route(struct rfapi_descriptor *rfd, /* cookie, VPN UN addr, peer */ |
5a1ae2c2 | 544 | struct bgp *bgp, int safi, const struct prefix *p, |
d62a17ae | 545 | struct prefix_rd *prd, struct rfapi_ip_addr *nexthop, |
546 | uint32_t *local_pref, | |
547 | uint32_t *lifetime, /* NULL => dont send lifetime */ | |
548 | struct bgp_tea_options *rfp_options, | |
549 | struct rfapi_un_option *options_un, | |
550 | struct rfapi_vn_option *options_vn, | |
551 | struct ecommunity *rt_export_list, /* Copied, not consumed */ | |
552 | uint32_t *med, /* NULL => don't set med */ | |
553 | uint32_t *label, /* low order 3 bytes */ | |
554 | uint8_t type, uint8_t sub_type, /* RFP, NORMAL or REDIST */ | |
555 | int flags) | |
65efcfce | 556 | { |
d62a17ae | 557 | afi_t afi; /* of the VN address */ |
4b7e6066 | 558 | struct bgp_path_info *new; |
40381db7 | 559 | struct bgp_path_info *bpi; |
9bcb3eef | 560 | struct bgp_dest *bn; |
d62a17ae | 561 | |
562 | struct attr attr = {0}; | |
563 | struct attr *new_attr; | |
564 | uint32_t label_val; | |
565 | ||
566 | struct bgp_attr_encap_subtlv *encaptlv; | |
872ed4c7 | 567 | char buf[PREFIX_STRLEN]; |
65efcfce | 568 | |
d62a17ae | 569 | struct rfapi_nexthop *lnh = NULL; /* local nexthop */ |
570 | struct rfapi_vn_option *vo; | |
571 | struct rfapi_l2address_option *l2o = NULL; | |
572 | struct rfapi_ip_addr *un_addr = &rfd->un_addr; | |
65efcfce | 573 | |
d62a17ae | 574 | bgp_encap_types TunnelType = BGP_ENCAP_TYPE_RESERVED; |
575 | struct bgp_redist *red; | |
65efcfce | 576 | |
d62a17ae | 577 | if (safi == SAFI_ENCAP |
578 | && !(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_ADV_UN_METHOD_ENCAP)) { | |
65efcfce | 579 | |
d62a17ae | 580 | /* |
581 | * Encap mode not enabled. UN addresses will be communicated | |
582 | * via VNC Tunnel subtlv instead. | |
583 | */ | |
584 | vnc_zlog_debug_verbose( | |
585 | "%s: encap mode not enabled, not adding SAFI_ENCAP route", | |
586 | __func__); | |
587 | return; | |
588 | } | |
65efcfce | 589 | |
d62a17ae | 590 | for (vo = options_vn; vo; vo = vo->next) { |
591 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { | |
592 | l2o = &vo->v.l2addr; | |
593 | if (RFAPI_0_ETHERADDR(&l2o->macaddr)) | |
594 | l2o = NULL; /* not MAC resolution */ | |
595 | } | |
596 | if (RFAPI_VN_OPTION_TYPE_LOCAL_NEXTHOP == vo->type) { | |
597 | lnh = &vo->v.local_nexthop; | |
598 | } | |
599 | } | |
600 | ||
601 | if (label) | |
602 | label_val = *label; | |
603 | else | |
604 | label_val = MPLS_LABEL_IMPLICIT_NULL; | |
605 | ||
d62a17ae | 606 | afi = family2afi(p->family); |
607 | assert(afi == AFI_IP || afi == AFI_IP6); | |
608 | ||
609 | vnc_zlog_debug_verbose("%s: afi=%s, safi=%s", __func__, afi2str(afi), | |
610 | safi2str(safi)); | |
611 | ||
612 | /* Make default attribute. Produces already-interned attr.aspath */ | |
613 | /* Cripes, the memory management of attributes is byzantine */ | |
614 | ||
0f05ea43 | 615 | bgp_attr_default_set(&attr, bgp, BGP_ORIGIN_INCOMPLETE); |
d62a17ae | 616 | |
617 | /* | |
618 | * At this point: | |
619 | * attr: static | |
620 | * extra: dynamically allocated, owned by attr | |
621 | * aspath: points to interned hash from aspath hash table | |
622 | */ | |
623 | ||
624 | ||
625 | /* | |
626 | * Route-specific un_options get added to the VPN SAFI | |
627 | * advertisement tunnel encap attribute. (the per-NVE | |
628 | * "default" un_options are put into the 1-per-NVE ENCAP | |
629 | * SAFI advertisement). The VPN SAFI also gets the | |
630 | * default un_options if there are no route-specific options. | |
631 | */ | |
632 | if (options_un) { | |
633 | struct rfapi_un_option *uo; | |
634 | ||
635 | for (uo = options_un; uo; uo = uo->next) { | |
636 | if (RFAPI_UN_OPTION_TYPE_TUNNELTYPE == uo->type) { | |
637 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
638 | bgp, un_addr, &uo->v.tunnel, &attr, | |
639 | l2o != NULL); | |
640 | } | |
641 | } | |
642 | } else { | |
643 | /* | |
644 | * Add encap attr | |
645 | * These are the NVE-specific "default" un_options which are | |
646 | * put into the 1-per-NVE ENCAP advertisement. | |
647 | */ | |
648 | if (rfd->default_tunneltype_option.type) { | |
649 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
650 | bgp, un_addr, &rfd->default_tunneltype_option, | |
651 | &attr, l2o != NULL); | |
652 | } else /* create default for local addse */ | |
653 | if (type == ZEBRA_ROUTE_BGP | |
654 | && sub_type == BGP_ROUTE_RFP) | |
655 | TunnelType = rfapi_tunneltype_option_to_tlv( | |
656 | bgp, un_addr, NULL, &attr, l2o != NULL); | |
657 | } | |
658 | ||
659 | if (TunnelType == BGP_ENCAP_TYPE_MPLS) { | |
660 | if (safi == SAFI_ENCAP) { | |
661 | /* Encap SAFI not used with MPLS */ | |
662 | vnc_zlog_debug_verbose( | |
663 | "%s: mpls tunnel type, encap safi omitted", | |
664 | __func__); | |
665 | aspath_unintern(&attr.aspath); /* Unintern original. */ | |
666 | return; | |
667 | } | |
668 | } | |
669 | ||
670 | if (local_pref) { | |
671 | attr.local_pref = *local_pref; | |
672 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
673 | } | |
674 | ||
675 | if (med) { | |
676 | attr.med = *med; | |
677 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
678 | } | |
679 | ||
680 | /* override default weight assigned by bgp_attr_default_set() */ | |
681 | attr.weight = rfd->peer ? rfd->peer->weight[afi][safi] : 0; | |
682 | ||
683 | /* | |
684 | * NB: ticket 81: do not reset attr.aspath here because it would | |
685 | * cause iBGP peers to drop route | |
686 | */ | |
687 | ||
688 | /* | |
689 | * Set originator ID for routes imported from BGP directly. | |
690 | * These routes could be synthetic, and therefore could | |
691 | * reuse the peer pointers of the routes they are derived | |
692 | * from. Setting the originator ID to "us" prevents the | |
693 | * wrong originator ID from being sent when this route is | |
694 | * sent from a route reflector. | |
695 | */ | |
696 | if (type == ZEBRA_ROUTE_BGP_DIRECT | |
697 | || type == ZEBRA_ROUTE_BGP_DIRECT_EXT) { | |
698 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID); | |
699 | attr.originator_id = bgp->router_id; | |
700 | } | |
701 | ||
702 | ||
703 | /* Set up vnc attribute (sub-tlv for Prefix Lifetime) */ | |
704 | if (lifetime && *lifetime != RFAPI_INFINITE_LIFETIME) { | |
705 | uint32_t lt; | |
706 | ||
996c9314 LB |
707 | encaptlv = XCALLOC(MTYPE_ENCAP_TLV, |
708 | sizeof(struct bgp_attr_encap_subtlv) + 4); | |
d62a17ae | 709 | encaptlv->type = |
710 | BGP_VNC_SUBTLV_TYPE_LIFETIME; /* prefix lifetime */ | |
711 | encaptlv->length = 4; | |
712 | lt = htonl(*lifetime); | |
713 | memcpy(encaptlv->value, <, 4); | |
91ebf12c | 714 | bgp_attr_set_vnc_subtlvs(&attr, encaptlv); |
d62a17ae | 715 | vnc_zlog_debug_verbose( |
716 | "%s: set Encap Attr Prefix Lifetime to %d", __func__, | |
717 | *lifetime); | |
718 | } | |
719 | ||
720 | /* add rfp options to vnc attr */ | |
721 | if (rfp_options) { | |
722 | ||
723 | if (flags & RFAPI_AHR_RFPOPT_IS_VNCTLV) { | |
91ebf12c DS |
724 | struct bgp_attr_encap_subtlv *vnc_subtlvs = |
725 | bgp_attr_get_vnc_subtlvs(&attr); | |
d62a17ae | 726 | /* |
727 | * this flag means we're passing a pointer to an | |
728 | * existing encap tlv chain which we should copy. | |
729 | * It's a hack to avoid adding yet another argument | |
730 | * to add_vnc_route() | |
731 | */ | |
732 | encaptlv = encap_tlv_dup( | |
733 | (struct bgp_attr_encap_subtlv *)rfp_options); | |
91ebf12c DS |
734 | if (vnc_subtlvs) |
735 | vnc_subtlvs->next = encaptlv; | |
736 | else | |
737 | bgp_attr_set_vnc_subtlvs(&attr, encaptlv); | |
d62a17ae | 738 | } else { |
739 | struct bgp_tea_options *hop; | |
740 | /* XXX max of one tlv present so far from above code */ | |
91ebf12c DS |
741 | struct bgp_attr_encap_subtlv *tail = |
742 | bgp_attr_get_vnc_subtlvs(&attr); | |
d62a17ae | 743 | |
744 | for (hop = rfp_options; hop; hop = hop->next) { | |
745 | ||
746 | /* | |
747 | * Construct subtlv | |
748 | */ | |
749 | encaptlv = XCALLOC( | |
750 | MTYPE_ENCAP_TLV, | |
996c9314 LB |
751 | sizeof(struct bgp_attr_encap_subtlv) + 2 |
752 | + hop->length); | |
d62a17ae | 753 | encaptlv->type = |
754 | BGP_VNC_SUBTLV_TYPE_RFPOPTION; /* RFP | |
755 | option | |
756 | */ | |
757 | encaptlv->length = 2 + hop->length; | |
758 | *((uint8_t *)(encaptlv->value) + 0) = hop->type; | |
759 | *((uint8_t *)(encaptlv->value) + 1) = | |
760 | hop->length; | |
761 | memcpy(((uint8_t *)encaptlv->value) + 2, | |
762 | hop->value, hop->length); | |
763 | ||
764 | /* | |
765 | * add to end of subtlv chain | |
766 | */ | |
91ebf12c | 767 | if (tail) |
d62a17ae | 768 | tail->next = encaptlv; |
91ebf12c DS |
769 | else |
770 | bgp_attr_set_vnc_subtlvs(&attr, | |
771 | encaptlv); | |
d62a17ae | 772 | tail = encaptlv; |
773 | } | |
774 | } | |
775 | } | |
776 | ||
777 | /* | |
778 | * At this point: | |
779 | * attr: static | |
780 | * extra: dynamically allocated, owned by attr | |
781 | * vnc_subtlvs: dynamic chain, length 1 | |
782 | * aspath: points to interned hash from aspath hash table | |
783 | */ | |
784 | ||
785 | ||
b53e67a3 DA |
786 | bgp_attr_set_ecommunity(&attr, ecommunity_new()); |
787 | assert(bgp_attr_get_ecommunity(&attr)); | |
d62a17ae | 788 | |
789 | if (TunnelType != BGP_ENCAP_TYPE_MPLS | |
790 | && TunnelType != BGP_ENCAP_TYPE_RESERVED) { | |
791 | /* | |
792 | * Add BGP Encapsulation Extended Community. Format described in | |
793 | * section 4.5 of RFC 5512. | |
794 | * Always include when not MPLS type, to disambiguate this case. | |
795 | */ | |
796 | struct ecommunity_val beec; | |
797 | ||
798 | memset(&beec, 0, sizeof(beec)); | |
799 | beec.val[0] = ECOMMUNITY_ENCODE_OPAQUE; | |
800 | beec.val[1] = ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP; | |
801 | beec.val[6] = ((TunnelType) >> 8) & 0xff; | |
802 | beec.val[7] = (TunnelType)&0xff; | |
b53e67a3 DA |
803 | ecommunity_add_val(bgp_attr_get_ecommunity(&attr), &beec, false, |
804 | false); | |
d62a17ae | 805 | } |
806 | ||
807 | /* | |
808 | * Add extended community attributes to match rt export list | |
809 | */ | |
810 | if (rt_export_list) { | |
b53e67a3 DA |
811 | bgp_attr_set_ecommunity( |
812 | &attr, ecommunity_merge(bgp_attr_get_ecommunity(&attr), | |
813 | rt_export_list)); | |
d62a17ae | 814 | } |
815 | ||
b53e67a3 DA |
816 | struct ecommunity *ecomm = bgp_attr_get_ecommunity(&attr); |
817 | ||
58cf5c08 | 818 | if (!ecomm->size) { |
b53e67a3 DA |
819 | ecommunity_free(&ecomm); |
820 | bgp_attr_set_ecommunity(&attr, NULL); | |
d62a17ae | 821 | } |
b53e67a3 | 822 | vnc_zlog_debug_verbose("%s: attr.ecommunity=%p", __func__, ecomm); |
d62a17ae | 823 | |
824 | ||
825 | /* | |
826 | * At this point: | |
827 | * attr: static | |
828 | * extra: dynamically allocated, owned by attr | |
829 | * vnc_subtlvs: dynamic chain, length 1 | |
830 | * ecommunity: dynamic 2-part | |
831 | * aspath: points to interned hash from aspath hash table | |
832 | */ | |
833 | ||
834 | /* stuff nexthop in attr_extra; which field depends on IPv4 or IPv6 */ | |
835 | switch (nexthop->addr_family) { | |
836 | case AF_INET: | |
837 | /* | |
838 | * set this field to prevent bgp_route.c code from setting | |
839 | * mp_nexthop_global_in to self | |
840 | */ | |
841 | attr.nexthop.s_addr = nexthop->addr.v4.s_addr; | |
842 | ||
843 | attr.mp_nexthop_global_in = nexthop->addr.v4; | |
0606039c | 844 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV4; |
d62a17ae | 845 | break; |
846 | ||
847 | case AF_INET6: | |
848 | attr.mp_nexthop_global = nexthop->addr.v6; | |
0606039c | 849 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; |
d62a17ae | 850 | break; |
851 | ||
852 | default: | |
853 | assert(0); | |
854 | } | |
855 | ||
856 | ||
872ed4c7 | 857 | prefix2str(p, buf, sizeof(buf)); |
d62a17ae | 858 | |
859 | /* | |
860 | * At this point: | |
861 | * | |
862 | * attr: static | |
863 | * extra: dynamically allocated, owned by attr | |
864 | * vnc_subtlvs: dynamic chain, length 1 | |
865 | * ecommunity: dynamic 2-part | |
866 | * aspath: points to interned hash from aspath hash table | |
867 | */ | |
868 | ||
2fcdb1b2 | 869 | red = bgp_redist_lookup(bgp, afi, type, 0); |
d62a17ae | 870 | |
871 | if (red && red->redist_metric_flag) { | |
872 | attr.med = red->redist_metric; | |
873 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
874 | } | |
875 | ||
876 | bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
877 | ||
878 | /* | |
879 | * bgp_attr_intern creates a new reference to a cached | |
880 | * attribute, but leaves the following bits of trash: | |
881 | * - old attr | |
882 | * - old attr->extra (free via bgp_attr_extra_free(attr)) | |
883 | * | |
884 | * Note that it frees the original attr->extra->ecommunity | |
885 | * but leaves the new attribute pointing to the ORIGINAL | |
886 | * vnc options (which therefore we needn't free from the | |
887 | * static attr) | |
888 | */ | |
889 | new_attr = bgp_attr_intern(&attr); | |
890 | ||
891 | aspath_unintern(&attr.aspath); /* Unintern original. */ | |
892 | ||
893 | /* | |
894 | * At this point: | |
895 | * | |
896 | * attr: static | |
897 | * extra: dynamically allocated, owned by attr | |
898 | * vnc_subtlvs: dynamic chain, length 1 | |
899 | * ecommunity: POINTS TO INTERNED ecom, THIS REF NOT COUNTED | |
900 | * | |
901 | * new_attr: an attr that is part of the hash table, distinct | |
902 | * from attr which is static. | |
903 | * extra: dynamically allocated, owned by new_attr (in hash table) | |
904 | * vnc_subtlvs: POINTS TO SAME dynamic chain AS attr | |
905 | * ecommunity: POINTS TO interned/refcounted dynamic 2-part AS attr | |
906 | * aspath: POINTS TO interned/refcounted hashed block | |
907 | */ | |
9bcb3eef | 908 | for (bpi = bgp_dest_get_bgp_path_info(bn); bpi; bpi = bpi->next) { |
d62a17ae | 909 | /* probably only need to check |
40381db7 DS |
910 | * bpi->extra->vnc.export.rfapi_handle */ |
911 | if (bpi->peer == rfd->peer && bpi->type == type | |
912 | && bpi->sub_type == sub_type && bpi->extra | |
913 | && bpi->extra->vnc.export.rfapi_handle == (void *)rfd) { | |
d62a17ae | 914 | |
915 | break; | |
916 | } | |
917 | } | |
918 | ||
40381db7 | 919 | if (bpi) { |
d62a17ae | 920 | |
921 | /* | |
922 | * Adding new local_nexthop, which does not by itself change | |
923 | * what is advertised via BGP | |
924 | */ | |
925 | if (lnh) { | |
40381db7 | 926 | if (!bpi->extra->vnc.export.local_nexthops) { |
d62a17ae | 927 | /* TBD make arrangements to free when needed */ |
40381db7 | 928 | bpi->extra->vnc.export.local_nexthops = |
d62a17ae | 929 | list_new(); |
40381db7 | 930 | bpi->extra->vnc.export.local_nexthops->del = |
d62a17ae | 931 | rfapi_nexthop_free; |
932 | } | |
933 | ||
934 | /* | |
935 | * already present? | |
936 | */ | |
937 | struct listnode *node; | |
938 | struct rfapi_nexthop *pLnh = NULL; | |
939 | ||
940 | for (ALL_LIST_ELEMENTS_RO( | |
40381db7 DS |
941 | bpi->extra->vnc.export.local_nexthops, |
942 | node, pLnh)) { | |
d62a17ae | 943 | |
944 | if (prefix_same(&pLnh->addr, &lnh->addr)) { | |
945 | break; | |
946 | } | |
947 | } | |
948 | ||
949 | /* | |
950 | * Not present, add new one | |
951 | */ | |
952 | if (!pLnh) { | |
953 | pLnh = rfapi_nexthop_new(lnh); | |
954 | listnode_add( | |
40381db7 | 955 | bpi->extra->vnc.export.local_nexthops, |
d62a17ae | 956 | pLnh); |
957 | } | |
958 | } | |
959 | ||
40381db7 DS |
960 | if (attrhash_cmp(bpi->attr, new_attr) |
961 | && !CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 962 | bgp_attr_unintern(&new_attr); |
9bcb3eef | 963 | bgp_dest_unlock_node(bn); |
d62a17ae | 964 | |
965 | vnc_zlog_debug_any( | |
966 | "%s: Found route (safi=%d) at prefix %s, no change", | |
967 | __func__, safi, buf); | |
968 | ||
969 | goto done; | |
970 | } else { | |
971 | /* The attribute is changed. */ | |
40381db7 | 972 | bgp_path_info_set_flag(bn, bpi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 973 | |
974 | if (safi == SAFI_MPLS_VPN) { | |
9bcb3eef | 975 | struct bgp_dest *pdest = NULL; |
d62a17ae | 976 | struct bgp_table *table = NULL; |
977 | ||
9bcb3eef DS |
978 | pdest = bgp_node_get(bgp->rib[afi][safi], |
979 | (struct prefix *)prd); | |
980 | table = bgp_dest_get_bgp_table_info(pdest); | |
67009e22 | 981 | if (table) |
d62a17ae | 982 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( |
40381db7 | 983 | bgp, prd, table, p, bpi); |
9bcb3eef | 984 | bgp_dest_unlock_node(pdest); |
d62a17ae | 985 | } |
986 | ||
987 | /* Rewrite BGP route information. */ | |
40381db7 DS |
988 | if (CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) |
989 | bgp_path_info_restore(bn, bpi); | |
d62a17ae | 990 | else |
40381db7 DS |
991 | bgp_aggregate_decrement(bgp, p, bpi, afi, safi); |
992 | bgp_attr_unintern(&bpi->attr); | |
993 | bpi->attr = new_attr; | |
083ec940 | 994 | bpi->uptime = monotime(NULL); |
d62a17ae | 995 | |
996 | ||
997 | if (safi == SAFI_MPLS_VPN) { | |
9bcb3eef | 998 | struct bgp_dest *pdest = NULL; |
d62a17ae | 999 | struct bgp_table *table = NULL; |
1000 | ||
9bcb3eef DS |
1001 | pdest = bgp_node_get(bgp->rib[afi][safi], |
1002 | (struct prefix *)prd); | |
1003 | table = bgp_dest_get_bgp_table_info(pdest); | |
67009e22 | 1004 | if (table) |
d62a17ae | 1005 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( |
40381db7 | 1006 | bgp, prd, table, p, bpi); |
9bcb3eef | 1007 | bgp_dest_unlock_node(pdest); |
d62a17ae | 1008 | } |
1009 | ||
1010 | /* Process change. */ | |
40381db7 | 1011 | bgp_aggregate_increment(bgp, p, bpi, afi, safi); |
d62a17ae | 1012 | bgp_process(bgp, bn, afi, safi); |
9bcb3eef | 1013 | bgp_dest_unlock_node(bn); |
d62a17ae | 1014 | |
1015 | vnc_zlog_debug_any( | |
1016 | "%s: Found route (safi=%d) at prefix %s, changed attr", | |
1017 | __func__, safi, buf); | |
1018 | ||
1019 | goto done; | |
1020 | } | |
1021 | } | |
1022 | ||
9591da26 | 1023 | new = info_make(type, sub_type, 0, rfd->peer, new_attr, NULL); |
1defdda8 | 1024 | SET_FLAG(new->flags, BGP_PATH_VALID); |
d62a17ae | 1025 | |
1026 | /* save backref to rfapi handle */ | |
04fd828f | 1027 | bgp_path_info_extra_get(new); |
d62a17ae | 1028 | new->extra->vnc.export.rfapi_handle = (void *)rfd; |
317f1fe0 | 1029 | encode_label(label_val, &new->extra->label[0]); |
d62a17ae | 1030 | |
1031 | /* debug */ | |
1032 | ||
1033 | if (VNC_DEBUG(VERBOSE)) { | |
6f94b685 | 1034 | vnc_zlog_debug_verbose("%s: printing BPI", __func__); |
d62a17ae | 1035 | rfapiPrintBi(NULL, new); |
1036 | } | |
1037 | ||
1038 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
18ee8310 | 1039 | bgp_path_info_add(bn, new); |
d62a17ae | 1040 | |
1041 | if (safi == SAFI_MPLS_VPN) { | |
9bcb3eef | 1042 | struct bgp_dest *pdest = NULL; |
d62a17ae | 1043 | struct bgp_table *table = NULL; |
1044 | ||
9bcb3eef DS |
1045 | pdest = bgp_node_get(bgp->rib[afi][safi], (struct prefix *)prd); |
1046 | table = bgp_dest_get_bgp_table_info(pdest); | |
67009e22 | 1047 | if (table) |
d62a17ae | 1048 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( |
1049 | bgp, prd, table, p, new); | |
9bcb3eef | 1050 | bgp_dest_unlock_node(pdest); |
d62a17ae | 1051 | encode_label(label_val, &bn->local_label); |
1052 | } | |
1053 | ||
9bcb3eef | 1054 | bgp_dest_unlock_node(bn); |
d62a17ae | 1055 | bgp_process(bgp, bn, afi, safi); |
1056 | ||
1057 | vnc_zlog_debug_any( | |
4a8cd6ad | 1058 | "%s: Added route (safi=%s) at prefix %s (bn=%p, prd=%pRDP)", |
c4f64ea9 | 1059 | __func__, safi2str(safi), buf, bn, prd); |
65efcfce LB |
1060 | |
1061 | done: | |
d62a17ae | 1062 | /* Loop back to import tables */ |
1063 | rfapiProcessUpdate(rfd->peer, rfd, p, prd, new_attr, afi, safi, type, | |
1064 | sub_type, &label_val); | |
1065 | vnc_zlog_debug_verbose("%s: looped back import route (safi=%d)", | |
1066 | __func__, safi); | |
65efcfce LB |
1067 | } |
1068 | ||
d62a17ae | 1069 | uint32_t rfp_cost_to_localpref(uint8_t cost) |
65efcfce | 1070 | { |
d62a17ae | 1071 | return 255 - cost; |
65efcfce LB |
1072 | } |
1073 | ||
d62a17ae | 1074 | static void rfapiTunnelRouteAnnounce(struct bgp *bgp, |
1075 | struct rfapi_descriptor *rfd, | |
1076 | uint32_t *pLifetime) | |
65efcfce | 1077 | { |
d62a17ae | 1078 | struct prefix_rd prd; |
1079 | struct prefix pfx_vn; | |
1080 | int rc; | |
1081 | uint32_t local_pref = rfp_cost_to_localpref(0); | |
1082 | ||
1083 | rc = rfapiRaddr2Qprefix(&(rfd->vn_addr), &pfx_vn); | |
1084 | assert(!rc); | |
1085 | ||
1086 | /* | |
1087 | * Construct route distinguisher = 0 | |
1088 | */ | |
1089 | memset(&prd, 0, sizeof(prd)); | |
1090 | prd.family = AF_UNSPEC; | |
1091 | prd.prefixlen = 64; | |
1092 | ||
1093 | add_vnc_route(rfd, /* rfapi descr, for export list & backref */ | |
1094 | bgp, /* which bgp instance */ | |
1095 | SAFI_ENCAP, /* which SAFI */ | |
1096 | &pfx_vn, /* prefix to advertise */ | |
1097 | &prd, /* route distinguisher to use */ | |
1098 | &rfd->un_addr, /* nexthop */ | |
1099 | &local_pref, | |
1100 | pLifetime, /* max lifetime of child VPN routes */ | |
1101 | NULL, /* no rfp options for ENCAP safi */ | |
1102 | NULL, /* rfp un options */ | |
1103 | NULL, /* rfp vn options */ | |
1104 | rfd->rt_export_list, NULL, /* med */ | |
1105 | NULL, /* label: default */ | |
1106 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
65efcfce LB |
1107 | } |
1108 | ||
1109 | ||
1110 | /*********************************************************************** | |
1111 | * RFP processing behavior configuration | |
1112 | ***********************************************************************/ | |
1113 | ||
1114 | /*------------------------------------------ | |
1115 | * rfapi_rfp_set_configuration | |
1116 | * | |
d62a17ae | 1117 | * This is used to change rfapi's processing behavior based on |
1118 | * RFP requirements. | |
65efcfce | 1119 | * |
d62a17ae | 1120 | * input: |
65efcfce LB |
1121 | * rfp_start_val value returned by rfp_start |
1122 | * rfapi_rfp_cfg Pointer to configuration structure | |
1123 | * | |
1124 | * output: | |
1125 | * none | |
1126 | * | |
d62a17ae | 1127 | * return value: |
65efcfce LB |
1128 | * 0 Success |
1129 | * ENXIO Unabled to locate configured BGP/VNC | |
1130 | --------------------------------------------*/ | |
d62a17ae | 1131 | int rfapi_rfp_set_configuration(void *rfp_start_val, struct rfapi_rfp_cfg *new) |
65efcfce | 1132 | { |
d62a17ae | 1133 | struct rfapi_rfp_cfg *rcfg; |
1134 | struct bgp *bgp; | |
1135 | ||
1136 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1137 | ||
1138 | if (!new || !bgp || !bgp->rfapi_cfg) | |
1139 | return ENXIO; | |
1140 | ||
1141 | rcfg = &bgp->rfapi_cfg->rfp_cfg; | |
1142 | rcfg->download_type = new->download_type; | |
1143 | rcfg->ftd_advertisement_interval = new->ftd_advertisement_interval; | |
1144 | rcfg->holddown_factor = new->holddown_factor; | |
1145 | ||
1146 | if (rcfg->use_updated_response != new->use_updated_response) { | |
1147 | rcfg->use_updated_response = new->use_updated_response; | |
1148 | if (rcfg->use_updated_response) | |
1149 | rfapiMonitorCallbacksOn(bgp); | |
1150 | else | |
1151 | rfapiMonitorCallbacksOff(bgp); | |
1152 | } | |
1153 | if (rcfg->use_removes != new->use_removes) { | |
1154 | rcfg->use_removes = new->use_removes; | |
1155 | if (rcfg->use_removes) | |
1156 | rfapiMonitorResponseRemovalOn(bgp); | |
1157 | else | |
1158 | rfapiMonitorResponseRemovalOff(bgp); | |
1159 | } | |
1160 | return 0; | |
65efcfce LB |
1161 | } |
1162 | ||
1163 | /*------------------------------------------ | |
1164 | * rfapi_rfp_set_cb_methods | |
1165 | * | |
d62a17ae | 1166 | * Change registered callback functions for asynchronous notifications |
65efcfce LB |
1167 | * from RFAPI to the RFP client. |
1168 | * | |
d62a17ae | 1169 | * input: |
65efcfce LB |
1170 | * rfp_start_val value returned by rfp_start |
1171 | * methods Pointer to struct rfapi_rfp_cb_methods containing | |
1172 | * pointers to callback methods as described above | |
1173 | * | |
d62a17ae | 1174 | * return value: |
65efcfce LB |
1175 | * 0 Success |
1176 | * ENXIO BGP or VNC not configured | |
1177 | *------------------------------------------*/ | |
d62a17ae | 1178 | int rfapi_rfp_set_cb_methods(void *rfp_start_val, |
1179 | struct rfapi_rfp_cb_methods *methods) | |
65efcfce | 1180 | { |
d62a17ae | 1181 | struct rfapi *h; |
1182 | struct bgp *bgp; | |
65efcfce | 1183 | |
d62a17ae | 1184 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); |
1185 | if (!bgp) | |
1186 | return ENXIO; | |
65efcfce | 1187 | |
d62a17ae | 1188 | h = bgp->rfapi; |
1189 | if (!h) | |
1190 | return ENXIO; | |
65efcfce | 1191 | |
d62a17ae | 1192 | h->rfp_methods = *methods; |
65efcfce | 1193 | |
d62a17ae | 1194 | return 0; |
65efcfce LB |
1195 | } |
1196 | ||
1197 | /*********************************************************************** | |
1198 | * NVE Sessions | |
1199 | ***********************************************************************/ | |
65efcfce LB |
1200 | /* |
1201 | * Caller must supply an already-allocated rfd with the "caller" | |
1202 | * fields already set (vn_addr, un_addr, callback, cookie) | |
1203 | * The advertised_prefixes[] array elements should be NULL to | |
1204 | * have this function set them to newly-allocated radix trees. | |
1205 | */ | |
d62a17ae | 1206 | static int rfapi_open_inner(struct rfapi_descriptor *rfd, struct bgp *bgp, |
1207 | struct rfapi *h, struct rfapi_nve_group_cfg *rfg) | |
65efcfce | 1208 | { |
d62a17ae | 1209 | int ret; |
1210 | ||
1211 | if (h->flags & RFAPI_INCALLBACK) | |
1212 | return EDEADLK; | |
1213 | ||
1214 | /* | |
1215 | * Fill in configured fields | |
1216 | */ | |
1217 | ||
1218 | /* | |
1219 | * If group's RD is specified as "auto", then fill in based | |
1220 | * on NVE's VN address | |
1221 | */ | |
1222 | rfd->rd = rfg->rd; | |
1223 | ||
1224 | if (rfd->rd.family == AF_UNIX) { | |
1225 | ret = rfapi_set_autord_from_vn(&rfd->rd, &rfd->vn_addr); | |
1226 | if (ret != 0) | |
1227 | return ret; | |
1228 | } | |
1229 | rfd->rt_export_list = (rfg->rt_export_list) | |
1230 | ? ecommunity_dup(rfg->rt_export_list) | |
1231 | : NULL; | |
1232 | rfd->response_lifetime = rfg->response_lifetime; | |
1233 | rfd->rfg = rfg; | |
1234 | ||
1235 | /* | |
1236 | * Fill in BGP peer structure | |
1237 | */ | |
1238 | rfd->peer = peer_new(bgp); | |
1239 | rfd->peer->status = Established; /* keep bgp core happy */ | |
1240 | bgp_sync_delete(rfd->peer); /* don't need these */ | |
424ab01d | 1241 | |
becedef6 QY |
1242 | /* |
1243 | * since this peer is not on the I/O thread, this lock is not strictly | |
1244 | * necessary, but serves as a reminder to those who may meddle... | |
1245 | */ | |
cb1991af | 1246 | frr_with_mutex (&rfd->peer->io_mtx) { |
424ab01d QY |
1247 | // we don't need any I/O related facilities |
1248 | if (rfd->peer->ibuf) | |
1249 | stream_fifo_free(rfd->peer->ibuf); | |
1250 | if (rfd->peer->obuf) | |
1251 | stream_fifo_free(rfd->peer->obuf); | |
1252 | ||
1253 | if (rfd->peer->ibuf_work) | |
74ffbfe6 | 1254 | ringbuf_del(rfd->peer->ibuf_work); |
424ab01d QY |
1255 | if (rfd->peer->obuf_work) |
1256 | stream_free(rfd->peer->obuf_work); | |
1257 | ||
d62a17ae | 1258 | rfd->peer->ibuf = NULL; |
d62a17ae | 1259 | rfd->peer->obuf = NULL; |
424ab01d QY |
1260 | rfd->peer->obuf_work = NULL; |
1261 | rfd->peer->ibuf_work = NULL; | |
d62a17ae | 1262 | } |
424ab01d | 1263 | |
d62a17ae | 1264 | { /* base code assumes have valid host pointer */ |
07380148 | 1265 | char buf[INET6_ADDRSTRLEN]; |
d62a17ae | 1266 | buf[0] = 0; |
1267 | ||
1268 | if (rfd->vn_addr.addr_family == AF_INET) { | |
07380148 DA |
1269 | inet_ntop(AF_INET, &rfd->vn_addr.addr.v4, buf, |
1270 | sizeof(buf)); | |
d62a17ae | 1271 | } else if (rfd->vn_addr.addr_family == AF_INET6) { |
07380148 DA |
1272 | inet_ntop(AF_INET6, &rfd->vn_addr.addr.v6, buf, |
1273 | sizeof(buf)); | |
d62a17ae | 1274 | } |
1275 | rfd->peer->host = XSTRDUP(MTYPE_BGP_PEER_HOST, buf); | |
1276 | } | |
1277 | /* Mark peer as belonging to HD */ | |
1278 | SET_FLAG(rfd->peer->flags, PEER_FLAG_IS_RFAPI_HD); | |
1279 | ||
1280 | /* | |
1281 | * Set min prefix lifetime to max value so it will get set | |
1282 | * upon first rfapi_register() | |
1283 | */ | |
1284 | rfd->min_prefix_lifetime = UINT32_MAX; | |
65efcfce | 1285 | |
d62a17ae | 1286 | /* |
1287 | * Allocate response tables if needed | |
1288 | */ | |
1289 | #define RFD_RTINIT_AFI(rh, ary, afi) \ | |
1290 | do { \ | |
1291 | if (!ary[afi]) { \ | |
fe08ba7e DS |
1292 | ary[afi] = agg_table_init(); \ |
1293 | agg_set_table_info(ary[afi], rh); \ | |
d62a17ae | 1294 | } \ |
1295 | } while (0) | |
1296 | ||
1297 | #define RFD_RTINIT(rh, ary) \ | |
1298 | do { \ | |
1299 | RFD_RTINIT_AFI(rh, ary, AFI_IP); \ | |
1300 | RFD_RTINIT_AFI(rh, ary, AFI_IP6); \ | |
1301 | RFD_RTINIT_AFI(rh, ary, AFI_L2VPN); \ | |
1302 | } while (0) | |
1303 | ||
1304 | RFD_RTINIT(rfd, rfd->rib); | |
1305 | RFD_RTINIT(rfd, rfd->rib_pending); | |
1306 | RFD_RTINIT(rfd, rfd->rsp_times); | |
1307 | ||
1308 | /* | |
1309 | * Link to Import Table | |
1310 | */ | |
1311 | rfd->import_table = rfg->rfapi_import_table; | |
1312 | rfd->import_table->refcount += 1; | |
1313 | ||
1314 | rfapiApInit(&rfd->advertised); | |
1315 | ||
1316 | /* | |
1317 | * add this NVE descriptor to the list of NVEs in the NVE group | |
1318 | */ | |
1319 | if (!rfg->nves) { | |
1320 | rfg->nves = list_new(); | |
1321 | } | |
1322 | listnode_add(rfg->nves, rfd); | |
1323 | ||
1324 | vnc_direct_bgp_add_nve(bgp, rfd); | |
1325 | vnc_zebra_add_nve(bgp, rfd); | |
1326 | ||
1327 | return 0; | |
1328 | } | |
65efcfce | 1329 | |
d62a17ae | 1330 | /* moved from rfapi_register */ |
1331 | int rfapi_init_and_open(struct bgp *bgp, struct rfapi_descriptor *rfd, | |
1332 | struct rfapi_nve_group_cfg *rfg) | |
1333 | { | |
1334 | struct rfapi *h = bgp->rfapi; | |
1335 | char buf_vn[BUFSIZ]; | |
1336 | char buf_un[BUFSIZ]; | |
1337 | afi_t afi_vn, afi_un; | |
1338 | struct prefix pfx_un; | |
fe08ba7e | 1339 | struct agg_node *rn; |
d62a17ae | 1340 | |
98b7e975 | 1341 | rfd->open_time = monotime(NULL); |
d62a17ae | 1342 | |
1343 | if (rfg->type == RFAPI_GROUP_CFG_VRF) | |
1344 | SET_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF); | |
1345 | ||
1346 | rfapiRfapiIpAddr2Str(&rfd->vn_addr, buf_vn, BUFSIZ); | |
1347 | rfapiRfapiIpAddr2Str(&rfd->un_addr, buf_un, BUFSIZ); | |
1348 | ||
1349 | vnc_zlog_debug_verbose("%s: new RFD with VN=%s UN=%s cookie=%p", | |
1350 | __func__, buf_vn, buf_un, rfd->cookie); | |
1351 | ||
1352 | if (rfg->type != RFAPI_GROUP_CFG_VRF) /* unclear if needed for VRF */ | |
1353 | { | |
1354 | listnode_add(&h->descriptors, rfd); | |
1355 | if (h->descriptors.count > h->stat.max_descriptors) { | |
1356 | h->stat.max_descriptors = h->descriptors.count; | |
1357 | } | |
1358 | ||
1359 | /* | |
1360 | * attach to UN radix tree | |
1361 | */ | |
1362 | afi_vn = family2afi(rfd->vn_addr.addr_family); | |
1363 | afi_un = family2afi(rfd->un_addr.addr_family); | |
1364 | assert(afi_vn && afi_un); | |
1365 | assert(!rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un)); | |
1366 | ||
fe08ba7e | 1367 | rn = agg_node_get(h->un[afi_un], &pfx_un); |
d62a17ae | 1368 | assert(rn); |
1369 | rfd->next = rn->info; | |
1370 | rn->info = rfd; | |
1371 | rfd->un_node = rn; | |
1372 | } | |
1373 | return rfapi_open_inner(rfd, bgp, h, rfg); | |
1374 | } | |
65efcfce | 1375 | |
d62a17ae | 1376 | struct rfapi_vn_option *rfapiVnOptionsDup(struct rfapi_vn_option *orig) |
1377 | { | |
1378 | struct rfapi_vn_option *head = NULL; | |
1379 | struct rfapi_vn_option *tail = NULL; | |
1380 | struct rfapi_vn_option *vo = NULL; | |
1381 | ||
1382 | for (vo = orig; vo; vo = vo->next) { | |
1383 | struct rfapi_vn_option *new; | |
1384 | ||
1385 | new = XCALLOC(MTYPE_RFAPI_VN_OPTION, | |
1386 | sizeof(struct rfapi_vn_option)); | |
1387 | memcpy(new, vo, sizeof(struct rfapi_vn_option)); | |
1388 | new->next = NULL; | |
1389 | ||
1390 | if (tail) { | |
1391 | tail->next = new; | |
1392 | } else { | |
1393 | head = tail = new; | |
1394 | } | |
1395 | } | |
1396 | return head; | |
1397 | } | |
65efcfce | 1398 | |
d62a17ae | 1399 | struct rfapi_un_option *rfapiUnOptionsDup(struct rfapi_un_option *orig) |
1400 | { | |
1401 | struct rfapi_un_option *head = NULL; | |
1402 | struct rfapi_un_option *tail = NULL; | |
1403 | struct rfapi_un_option *uo = NULL; | |
1404 | ||
1405 | for (uo = orig; uo; uo = uo->next) { | |
1406 | struct rfapi_un_option *new; | |
1407 | ||
1408 | new = XCALLOC(MTYPE_RFAPI_UN_OPTION, | |
1409 | sizeof(struct rfapi_un_option)); | |
1410 | memcpy(new, uo, sizeof(struct rfapi_un_option)); | |
1411 | new->next = NULL; | |
1412 | ||
1413 | if (tail) { | |
1414 | tail->next = new; | |
1415 | } else { | |
1416 | head = tail = new; | |
1417 | } | |
1418 | } | |
1419 | return head; | |
1420 | } | |
65efcfce | 1421 | |
d62a17ae | 1422 | struct bgp_tea_options *rfapiOptionsDup(struct bgp_tea_options *orig) |
5ff06872 | 1423 | { |
d62a17ae | 1424 | struct bgp_tea_options *head = NULL; |
1425 | struct bgp_tea_options *tail = NULL; | |
1426 | struct bgp_tea_options *hop = NULL; | |
1427 | ||
1428 | for (hop = orig; hop; hop = hop->next) { | |
1429 | struct bgp_tea_options *new; | |
1430 | ||
1431 | new = XCALLOC(MTYPE_BGP_TEA_OPTIONS, | |
1432 | sizeof(struct bgp_tea_options)); | |
1433 | memcpy(new, hop, sizeof(struct bgp_tea_options)); | |
1434 | new->next = NULL; | |
1435 | if (hop->value) { | |
1436 | new->value = XCALLOC(MTYPE_BGP_TEA_OPTIONS_VALUE, | |
1437 | hop->length); | |
1438 | memcpy(new->value, hop->value, hop->length); | |
1439 | } | |
1440 | if (tail) { | |
1441 | tail->next = new; | |
1442 | } else { | |
1443 | head = tail = new; | |
1444 | } | |
1445 | } | |
1446 | return head; | |
5ff06872 LB |
1447 | } |
1448 | ||
d62a17ae | 1449 | void rfapiFreeBgpTeaOptionChain(struct bgp_tea_options *p) |
65efcfce | 1450 | { |
d62a17ae | 1451 | struct bgp_tea_options *next; |
65efcfce | 1452 | |
d62a17ae | 1453 | while (p) { |
1454 | next = p->next; | |
65efcfce | 1455 | |
e1b36e13 | 1456 | XFREE(MTYPE_BGP_TEA_OPTIONS_VALUE, p->value); |
d62a17ae | 1457 | XFREE(MTYPE_BGP_TEA_OPTIONS, p); |
65efcfce | 1458 | |
d62a17ae | 1459 | p = next; |
1460 | } | |
65efcfce LB |
1461 | } |
1462 | ||
d62a17ae | 1463 | void rfapiAdbFree(struct rfapi_adb *adb) |
65efcfce | 1464 | { |
d62a17ae | 1465 | XFREE(MTYPE_RFAPI_ADB, adb); |
65efcfce LB |
1466 | } |
1467 | ||
1468 | static int | |
d62a17ae | 1469 | rfapi_query_inner(void *handle, struct rfapi_ip_addr *target, |
1470 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
1471 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 1472 | { |
d62a17ae | 1473 | afi_t afi; |
1474 | struct prefix p; | |
1475 | struct prefix p_original; | |
fe08ba7e | 1476 | struct agg_node *rn; |
d62a17ae | 1477 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
1478 | struct bgp *bgp = rfd->bgp; | |
1479 | struct rfapi_next_hop_entry *pNHE = NULL; | |
1480 | struct rfapi_ip_addr *self_vn_addr = NULL; | |
1481 | int eth_is_0 = 0; | |
1482 | int use_eth_resolution = 0; | |
1483 | struct rfapi_next_hop_entry *i_nhe; | |
1484 | ||
1485 | /* preemptive */ | |
1486 | if (!bgp) { | |
1487 | vnc_zlog_debug_verbose("%s: No BGP instance, returning ENXIO", | |
1488 | __func__); | |
1489 | return ENXIO; | |
1490 | } | |
1491 | if (!bgp->rfapi) { | |
1492 | vnc_zlog_debug_verbose("%s: No RFAPI instance, returning ENXIO", | |
1493 | __func__); | |
1494 | return ENXIO; | |
1495 | } | |
1496 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
1497 | vnc_zlog_debug_verbose( | |
1498 | "%s: Called during calback, returning EDEADLK", | |
1499 | __func__); | |
1500 | return EDEADLK; | |
1501 | } | |
1502 | ||
1503 | if (!is_valid_rfd(rfd)) { | |
1504 | vnc_zlog_debug_verbose("%s: invalid handle, returning EBADF", | |
1505 | __func__); | |
1506 | return EBADF; | |
1507 | } | |
1508 | ||
1509 | rfd->rsp_counter++; /* dedup: identify this generation */ | |
98b7e975 | 1510 | rfd->rsp_time = monotime(NULL); /* response content dedup */ |
d62a17ae | 1511 | rfd->ftd_last_allowed_time = |
083ec940 DS |
1512 | monotime(NULL) - |
1513 | bgp->rfapi_cfg->rfp_cfg.ftd_advertisement_interval; | |
d62a17ae | 1514 | |
1515 | if (l2o) { | |
1516 | if (!memcmp(l2o->macaddr.octet, rfapi_ethaddr0.octet, | |
28328ea9 | 1517 | ETH_ALEN)) { |
d62a17ae | 1518 | eth_is_0 = 1; |
1519 | } | |
1520 | /* per t/c Paul/Lou 151022 */ | |
1521 | if (!eth_is_0 || l2o->logical_net_id) { | |
1522 | use_eth_resolution = 1; | |
1523 | } | |
1524 | } | |
1525 | ||
1526 | if (ppNextHopEntry) | |
1527 | *ppNextHopEntry = NULL; | |
1528 | ||
1529 | /* | |
1530 | * Save original target in prefix form. In case of L2-based queries, | |
1531 | * p_original will be modified to reflect the L2 target | |
1532 | */ | |
1533 | assert(!rfapiRaddr2Qprefix(target, &p_original)); | |
1534 | ||
1535 | if (bgp->rfapi_cfg->rfp_cfg.download_type == RFAPI_RFP_DOWNLOAD_FULL) { | |
1536 | /* convert query to 0/0 when full-table download is enabled */ | |
1537 | memset((char *)&p, 0, sizeof(p)); | |
1538 | p.family = target->addr_family; | |
1539 | } else { | |
1540 | p = p_original; | |
1541 | } | |
1542 | ||
1543 | { | |
d62a17ae | 1544 | char *s; |
1545 | ||
2dbe669b DA |
1546 | vnc_zlog_debug_verbose("%s(rfd=%p, target=%pFX, ppNextHop=%p)", |
1547 | __func__, rfd, &p, ppNextHopEntry); | |
d62a17ae | 1548 | |
1549 | s = ecommunity_ecom2str(rfd->import_table->rt_import_list, | |
1550 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
1551 | vnc_zlog_debug_verbose( | |
1552 | "%s rfd->import_table=%p, rfd->import_table->rt_import_list: %s", | |
1553 | __func__, rfd->import_table, s); | |
1554 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
1555 | } | |
1556 | ||
1557 | afi = family2afi(p.family); | |
1558 | assert(afi); | |
1559 | ||
1560 | if (CHECK_FLAG(bgp->rfapi_cfg->flags, | |
1561 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP)) { | |
1562 | self_vn_addr = &rfd->vn_addr; | |
1563 | } | |
1564 | ||
1565 | if (use_eth_resolution) { | |
1566 | uint32_t logical_net_id = l2o->logical_net_id; | |
1567 | struct ecommunity *l2com; | |
1568 | ||
1569 | /* | |
1570 | * fix up p_original to contain L2 address | |
1571 | */ | |
1572 | rfapiL2o2Qprefix(l2o, &p_original); | |
1573 | ||
1574 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
1575 | bgp, 1, logical_net_id, l2o->label); | |
1576 | if (l2com) { | |
1577 | uint8_t *v = l2com->val; | |
1578 | logical_net_id = (v[5] << 16) + (v[6] << 8) + (v[7]); | |
1579 | } | |
1580 | /* | |
1581 | * Ethernet/L2-based lookup | |
1582 | * | |
1583 | * Always returns IT node corresponding to route | |
1584 | */ | |
1585 | ||
1586 | if (RFAPI_RFP_DOWNLOAD_FULL | |
1587 | == bgp->rfapi_cfg->rfp_cfg.download_type) { | |
1588 | eth_is_0 = 1; | |
1589 | } | |
1590 | ||
1591 | rn = rfapiMonitorEthAdd( | |
1592 | bgp, rfd, (eth_is_0 ? &rfapi_ethaddr0 : &l2o->macaddr), | |
1593 | logical_net_id); | |
1594 | ||
1595 | if (eth_is_0) { | |
1596 | struct rfapi_ip_prefix rprefix; | |
1597 | ||
1598 | memset(&rprefix, 0, sizeof(rprefix)); | |
1599 | rprefix.prefix.addr_family = target->addr_family; | |
1600 | if (target->addr_family == AF_INET) { | |
12256b84 | 1601 | rprefix.length = IPV4_MAX_BITLEN; |
d62a17ae | 1602 | } else { |
13ccce6e | 1603 | rprefix.length = IPV6_MAX_BITLEN; |
d62a17ae | 1604 | } |
1605 | ||
1606 | pNHE = rfapiEthRouteTable2NextHopList( | |
1607 | logical_net_id, &rprefix, | |
1608 | rfd->response_lifetime, self_vn_addr, | |
1609 | rfd->rib[afi], &p_original); | |
1610 | goto done; | |
1611 | } | |
1612 | ||
1613 | } else { | |
1614 | ||
1615 | /* | |
1616 | * IP-based lookup | |
1617 | */ | |
1618 | ||
1619 | rn = rfapiMonitorAdd(bgp, rfd, &p); | |
1620 | ||
1621 | /* | |
1622 | * If target address is 0, this request is special: means to | |
1623 | * return ALL routes in the table | |
1624 | * | |
1625 | * Monitors for All-Routes queries get put on a special list, | |
1626 | * not in the VPN tree | |
1627 | */ | |
1628 | if (RFAPI_0_PREFIX(&p)) { | |
1629 | ||
1630 | vnc_zlog_debug_verbose("%s: 0-prefix", __func__); | |
1631 | ||
1632 | /* | |
1633 | * Generate nexthop list for caller | |
1634 | */ | |
1635 | pNHE = rfapiRouteTable2NextHopList( | |
1636 | rfd->import_table->imported_vpn[afi], | |
1637 | rfd->response_lifetime, self_vn_addr, | |
1638 | rfd->rib[afi], &p_original); | |
1639 | goto done; | |
1640 | } | |
1641 | ||
1642 | if (rn) { | |
fe08ba7e | 1643 | agg_lock_node(rn); /* so we can unlock below */ |
d62a17ae | 1644 | } else { |
1645 | /* | |
1646 | * returns locked node. Don't unlock yet because the | |
1647 | * unlock | |
1648 | * might free it before we're done with it. This | |
1649 | * situation | |
1650 | * could occur when rfapiMonitorGetAttachNode() returns | |
1651 | * a | |
1652 | * newly-created default node. | |
1653 | */ | |
1654 | rn = rfapiMonitorGetAttachNode(rfd, &p); | |
1655 | } | |
1656 | } | |
1657 | ||
1658 | assert(rn); | |
1659 | if (!rn->info) { | |
fe08ba7e | 1660 | agg_unlock_node(rn); |
d62a17ae | 1661 | vnc_zlog_debug_verbose( |
1662 | "%s: VPN route not found, returning ENOENT", __func__); | |
1663 | return ENOENT; | |
1664 | } | |
1665 | ||
1666 | if (VNC_DEBUG(RFAPI_QUERY)) { | |
1667 | rfapiShowImportTable(NULL, "query", | |
1668 | rfd->import_table->imported_vpn[afi], 1); | |
1669 | } | |
1670 | ||
1671 | if (use_eth_resolution) { | |
1672 | ||
1673 | struct rfapi_ip_prefix rprefix; | |
1674 | ||
1675 | memset(&rprefix, 0, sizeof(rprefix)); | |
1676 | rprefix.prefix.addr_family = target->addr_family; | |
1677 | if (target->addr_family == AF_INET) { | |
12256b84 | 1678 | rprefix.length = IPV4_MAX_BITLEN; |
d62a17ae | 1679 | } else { |
13ccce6e | 1680 | rprefix.length = IPV6_MAX_BITLEN; |
d62a17ae | 1681 | } |
1682 | ||
1683 | pNHE = rfapiEthRouteNode2NextHopList( | |
1684 | rn, &rprefix, rfd->response_lifetime, self_vn_addr, | |
1685 | rfd->rib[afi], &p_original); | |
1686 | ||
1687 | ||
1688 | } else { | |
1689 | /* | |
1690 | * Generate answer to query | |
1691 | */ | |
1692 | pNHE = rfapiRouteNode2NextHopList(rn, rfd->response_lifetime, | |
1693 | self_vn_addr, rfd->rib[afi], | |
1694 | &p_original); | |
1695 | } | |
1696 | ||
fe08ba7e | 1697 | agg_unlock_node(rn); |
65efcfce LB |
1698 | |
1699 | done: | |
d62a17ae | 1700 | if (ppNextHopEntry) { |
1701 | /* only count if caller gets it */ | |
1702 | ++bgp->rfapi->response_immediate_count; | |
1703 | } | |
1704 | ||
1705 | if (!pNHE) { | |
1706 | vnc_zlog_debug_verbose("%s: NO NHEs, returning ENOENT", | |
1707 | __func__); | |
1708 | return ENOENT; | |
1709 | } | |
1710 | ||
1711 | /* | |
1712 | * count nexthops for statistics | |
1713 | */ | |
1714 | for (i_nhe = pNHE; i_nhe; i_nhe = i_nhe->next) { | |
1715 | ++rfd->stat_count_nh_reachable; | |
1716 | } | |
1717 | ||
1718 | if (ppNextHopEntry) { | |
1719 | *ppNextHopEntry = pNHE; | |
1720 | } else { | |
1721 | rfapi_free_next_hop_list(pNHE); | |
1722 | } | |
1723 | ||
1724 | vnc_zlog_debug_verbose("%s: success", __func__); | |
1725 | return 0; | |
65efcfce LB |
1726 | } |
1727 | ||
1728 | /* | |
1729 | * support on-the-fly reassignment of an already-open nve to a new | |
1730 | * nve-group in the event that its original nve-group is | |
1731 | * administratively deleted. | |
1732 | */ | |
d62a17ae | 1733 | static int rfapi_open_rfd(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 1734 | { |
d62a17ae | 1735 | struct prefix pfx_vn; |
1736 | struct prefix pfx_un; | |
1737 | struct rfapi_nve_group_cfg *rfg; | |
1738 | struct rfapi *h; | |
1739 | struct rfapi_cfg *hc; | |
1740 | int rc; | |
1741 | ||
1742 | h = bgp->rfapi; | |
1743 | if (!h) | |
1744 | return ENXIO; | |
1745 | ||
1746 | hc = bgp->rfapi_cfg; | |
1747 | if (!hc) | |
1748 | return ENXIO; | |
1749 | ||
1750 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
1751 | assert(!rc); | |
1752 | ||
1753 | rc = rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un); | |
1754 | assert(!rc); | |
1755 | ||
1756 | /* | |
1757 | * Find the matching nve group config block | |
1758 | */ | |
1759 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1760 | if (!rfg) { | |
1761 | return ENOENT; | |
1762 | } | |
1763 | ||
1764 | /* | |
1765 | * check nve group config block for required values | |
1766 | */ | |
1767 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1768 | ||
1769 | return ENOMSG; | |
1770 | } | |
1771 | ||
1772 | rc = rfapi_open_inner(rfd, bgp, h, rfg); | |
1773 | if (rc) { | |
1774 | return rc; | |
1775 | } | |
1776 | ||
1777 | /* | |
1778 | * re-advertise registered routes, this time as part of new NVE-group | |
1779 | */ | |
1780 | rfapiApReadvertiseAll(bgp, rfd); | |
1781 | ||
1782 | /* | |
1783 | * re-attach callbacks to import table | |
1784 | */ | |
1785 | if (!(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_CALLBACK_DISABLE)) { | |
1786 | rfapiMonitorAttachImportHd(rfd); | |
1787 | } | |
1788 | ||
1789 | return 0; | |
65efcfce LB |
1790 | } |
1791 | ||
1792 | /*------------------------------------------ | |
1793 | * rfapi_open | |
1794 | * | |
1795 | * This function initializes a NVE record and associates it with | |
1796 | * the specified VN and underlay network addresses | |
1797 | * | |
d62a17ae | 1798 | * input: |
65efcfce LB |
1799 | * rfp_start_val value returned by rfp_start |
1800 | * vn NVE virtual network address | |
1801 | * | |
1802 | * un NVE underlay network address | |
1803 | * | |
1804 | * default_options Default options to use on registrations. | |
1805 | * For now only tunnel type is supported. | |
1806 | * May be overridden per-prefix in rfapi_register(). | |
1807 | * Caller owns (rfapi_open() does not free) | |
1808 | * | |
1809 | * response_cb Pointer to next hop list update callback function or | |
1810 | * NULL when no callbacks are desired. | |
1811 | * | |
1812 | * userdata Passed to subsequent response_cb invocations. | |
1813 | * | |
1814 | * output: | |
1815 | * response_lifetime The length of time that responses sent to this | |
d62a17ae | 1816 | * NVE are valid. |
65efcfce LB |
1817 | * |
1818 | * pHandle pointer to location to store rfapi handle. The | |
1819 | * handle must be passed on subsequent rfapi_ calls. | |
1820 | * | |
1821 | * | |
d62a17ae | 1822 | * return value: |
65efcfce LB |
1823 | * 0 Success |
1824 | * EEXIST NVE with this {vn,un} already open | |
1825 | * ENOENT No matching nve group config | |
1826 | * ENOMSG Matched nve group config was incomplete | |
1827 | * ENXIO BGP or VNC not configured | |
1828 | * EAFNOSUPPORT Matched nve group specifies auto-assignment of RD, | |
1829 | * but underlay network address is not IPv4 | |
1830 | * EDEADLK Called from within a callback procedure | |
1831 | *------------------------------------------*/ | |
d62a17ae | 1832 | int rfapi_open(void *rfp_start_val, struct rfapi_ip_addr *vn, |
1833 | struct rfapi_ip_addr *un, | |
1834 | struct rfapi_un_option *default_options, | |
1835 | uint32_t *response_lifetime, | |
1836 | void *userdata, /* callback cookie */ | |
1837 | rfapi_handle *pHandle) | |
65efcfce | 1838 | { |
d62a17ae | 1839 | struct bgp *bgp; |
1840 | struct rfapi *h; | |
1841 | struct rfapi_descriptor *rfd; | |
1842 | struct rfapi_cfg *hc; | |
1843 | struct rfapi_nve_group_cfg *rfg; | |
1844 | ||
1845 | struct prefix pfx_vn; | |
1846 | struct prefix pfx_un; | |
1847 | ||
1848 | int rc; | |
1849 | rfapi_handle hh = NULL; | |
1850 | int reusing_provisional = 0; | |
1851 | ||
1852 | { | |
1853 | char buf[2][INET_ADDRSTRLEN]; | |
1854 | vnc_zlog_debug_verbose( | |
1855 | "%s: VN=%s UN=%s", __func__, | |
1856 | rfapiRfapiIpAddr2Str(vn, buf[0], INET_ADDRSTRLEN), | |
1857 | rfapiRfapiIpAddr2Str(un, buf[1], INET_ADDRSTRLEN)); | |
1858 | } | |
1859 | ||
1860 | assert(pHandle); | |
1861 | *pHandle = NULL; | |
1862 | ||
1863 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
1864 | if (!bgp) | |
1865 | return ENXIO; | |
1866 | ||
1867 | h = bgp->rfapi; | |
1868 | if (!h) | |
1869 | return ENXIO; | |
1870 | ||
1871 | hc = bgp->rfapi_cfg; | |
1872 | if (!hc) | |
1873 | return ENXIO; | |
1874 | ||
1875 | if (h->flags & RFAPI_INCALLBACK) | |
1876 | return EDEADLK; | |
1877 | ||
1878 | rc = rfapiRaddr2Qprefix(vn, &pfx_vn); | |
1879 | assert(!rc); | |
1880 | ||
1881 | rc = rfapiRaddr2Qprefix(un, &pfx_un); | |
1882 | assert(!rc); | |
1883 | ||
1884 | /* | |
1885 | * already have a descriptor with VN and UN? | |
1886 | */ | |
1887 | if (!rfapi_find_handle(bgp, vn, un, &hh)) { | |
1888 | /* | |
1889 | * we might have set up a handle for static routes before | |
1890 | * this NVE was opened. In that case, reuse the handle | |
1891 | */ | |
1892 | rfd = hh; | |
1893 | if (!CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_PROVISIONAL)) { | |
1894 | return EEXIST; | |
1895 | } | |
1896 | ||
1897 | /* | |
1898 | * reuse provisional descriptor | |
1899 | * hh is not NULL | |
1900 | */ | |
1901 | reusing_provisional = 1; | |
1902 | } | |
1903 | ||
1904 | /* | |
1905 | * Find the matching nve group config block | |
1906 | */ | |
1907 | rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); | |
1908 | if (!rfg) { | |
1909 | ++h->stat.count_unknown_nves; | |
1910 | { | |
1911 | char buf[2][INET_ADDRSTRLEN]; | |
1912 | zlog_notice("%s: no matching group VN=%s UN=%s", | |
1913 | __func__, | |
1914 | rfapiRfapiIpAddr2Str(vn, buf[0], | |
1915 | INET_ADDRSTRLEN), | |
1916 | rfapiRfapiIpAddr2Str(un, buf[1], | |
1917 | INET_ADDRSTRLEN)); | |
1918 | } | |
1919 | return ENOENT; | |
1920 | } | |
1921 | ||
1922 | /* | |
1923 | * check nve group config block for required values | |
1924 | */ | |
1925 | if (!rfg->rt_export_list || !rfg->rfapi_import_table) { | |
1926 | ||
1927 | ++h->stat.count_unknown_nves; | |
1928 | return ENOMSG; | |
1929 | } | |
1930 | ||
1931 | /* | |
1932 | * If group config specifies auto-rd assignment, check that | |
1933 | * VN address is IPv4|v6 so we don't fail in rfapi_open_inner(). | |
1934 | * Check here so we don't need to unwind memory allocations, &c. | |
1935 | */ | |
1936 | if ((rfg->rd.family == AF_UNIX) && (vn->addr_family != AF_INET) | |
1937 | && (vn->addr_family != AF_INET6)) { | |
1938 | return EAFNOSUPPORT; | |
1939 | } | |
1940 | ||
1941 | if (hh) { | |
1942 | /* | |
1943 | * reusing provisional rfd | |
1944 | */ | |
1945 | rfd = hh; | |
1946 | } else { | |
1947 | rfd = XCALLOC(MTYPE_RFAPI_DESC, | |
1948 | sizeof(struct rfapi_descriptor)); | |
1949 | } | |
d62a17ae | 1950 | |
1951 | rfd->bgp = bgp; | |
1952 | if (default_options) { | |
1953 | struct rfapi_un_option *p; | |
1954 | ||
1955 | for (p = default_options; p; p = p->next) { | |
1956 | if ((RFAPI_UN_OPTION_TYPE_PROVISIONAL == p->type)) { | |
1957 | rfd->flags |= RFAPI_HD_FLAG_PROVISIONAL; | |
1958 | } | |
1959 | if ((RFAPI_UN_OPTION_TYPE_TUNNELTYPE == p->type)) { | |
1960 | rfd->default_tunneltype_option = p->v.tunnel; | |
1961 | } | |
1962 | } | |
1963 | } | |
1964 | ||
1965 | /* | |
1966 | * Fill in caller fields | |
1967 | */ | |
1968 | rfd->vn_addr = *vn; | |
1969 | rfd->un_addr = *un; | |
1970 | rfd->cookie = userdata; | |
1971 | ||
1972 | if (!reusing_provisional) { | |
1973 | rc = rfapi_init_and_open(bgp, rfd, rfg); | |
1974 | /* | |
1975 | * This can fail only if the VN address is IPv6 and the group | |
1976 | * specified auto-assignment of RDs, which only works for v4, | |
1977 | * and the check above should catch it. | |
1978 | * | |
1979 | * Another failure possibility is that we were called | |
1980 | * during an rfapi callback. Also checked above. | |
1981 | */ | |
1982 | assert(!rc); | |
1983 | } | |
1984 | ||
1985 | if (response_lifetime) | |
1986 | *response_lifetime = rfd->response_lifetime; | |
1987 | *pHandle = rfd; | |
1988 | return 0; | |
65efcfce LB |
1989 | } |
1990 | ||
1991 | /* | |
1992 | * For use with debug functions | |
1993 | */ | |
d62a17ae | 1994 | static int rfapi_set_response_cb(struct rfapi_descriptor *rfd, |
1995 | rfapi_response_cb_t *response_cb) | |
65efcfce | 1996 | { |
d62a17ae | 1997 | if (!is_valid_rfd(rfd)) |
1998 | return EBADF; | |
1999 | rfd->response_cb = response_cb; | |
2000 | return 0; | |
65efcfce LB |
2001 | } |
2002 | ||
2003 | /* | |
d62a17ae | 2004 | * rfapi_close_inner |
2005 | * | |
2006 | * Does almost all the work of rfapi_close, except: | |
2007 | * 1. preserves the descriptor (doesn't free it) | |
2008 | * 2. preserves the prefix query list (i.e., rfd->mon list) | |
2009 | * 3. preserves the advertised prefix list (rfd->advertised) | |
2010 | * 4. preserves the rib and rib_pending tables | |
2011 | * | |
2012 | * The purpose of organizing it this way is to support on-the-fly | |
2013 | * reassignment of an already-open nve to a new nve-group in the | |
2014 | * event that its original nve-group is administratively deleted. | |
2015 | */ | |
2016 | static int rfapi_close_inner(struct rfapi_descriptor *rfd, struct bgp *bgp) | |
2017 | { | |
2018 | int rc; | |
2019 | struct prefix pfx_vn; | |
2020 | struct prefix_rd prd; /* currently always 0 for VN->UN */ | |
2021 | ||
2022 | if (!is_valid_rfd(rfd)) | |
2023 | return EBADF; | |
2024 | ||
2025 | rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); | |
2026 | assert(!rc); /* should never have bad AF in stored vn address */ | |
2027 | ||
2028 | /* | |
2029 | * update exported routes to reflect disappearance of this NVE as | |
2030 | * nexthop | |
2031 | */ | |
2032 | vnc_direct_bgp_del_nve(bgp, rfd); | |
2033 | vnc_zebra_del_nve(bgp, rfd); | |
2034 | ||
2035 | /* | |
2036 | * unlink this HD's monitors from import table | |
2037 | */ | |
2038 | rfapiMonitorDetachImportHd(rfd); | |
2039 | ||
2040 | /* | |
2041 | * Unlink from Import Table | |
2042 | * NB rfd->import_table will be NULL if we are closing a stale | |
2043 | * descriptor | |
2044 | */ | |
2045 | if (rfd->import_table) | |
2046 | rfapiImportTableRefDelByIt(bgp, rfd->import_table); | |
2047 | rfd->import_table = NULL; | |
2048 | ||
2049 | /* | |
2050 | * Construct route distinguisher | |
2051 | */ | |
2052 | memset(&prd, 0, sizeof(prd)); | |
2053 | prd = rfd->rd; | |
2054 | prd.family = AF_UNSPEC; | |
2055 | prd.prefixlen = 64; | |
2056 | ||
2057 | /* | |
2058 | * withdraw tunnel | |
2059 | */ | |
2060 | del_vnc_route(rfd, rfd->peer, bgp, SAFI_ENCAP, | |
2061 | &pfx_vn, /* prefix being advertised */ | |
2062 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2063 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, 0); /* no kill */ | |
2064 | ||
2065 | /* | |
2066 | * Construct route distinguisher for VPN routes | |
2067 | */ | |
2068 | prd = rfd->rd; | |
2069 | prd.family = AF_UNSPEC; | |
2070 | prd.prefixlen = 64; | |
2071 | ||
2072 | /* | |
2073 | * find all VPN routes associated with this rfd and delete them, too | |
2074 | */ | |
2075 | rfapiApWithdrawAll(bgp, rfd); | |
2076 | ||
2077 | /* | |
2078 | * remove this nve descriptor from the list of nves | |
2079 | * associated with the nve group | |
2080 | */ | |
2081 | if (rfd->rfg) { | |
2082 | listnode_delete(rfd->rfg->nves, rfd); | |
2083 | rfd->rfg = NULL; /* XXX mark as orphaned/stale */ | |
2084 | } | |
2085 | ||
2086 | if (rfd->rt_export_list) | |
2087 | ecommunity_free(&rfd->rt_export_list); | |
2088 | rfd->rt_export_list = NULL; | |
2089 | ||
2090 | /* | |
2091 | * free peer structure (possibly delayed until its | |
2092 | * refcount reaches zero) | |
2093 | */ | |
2094 | if (rfd->peer) { | |
2095 | vnc_zlog_debug_verbose("%s: calling peer_delete(%p), #%d", | |
2096 | __func__, rfd->peer, rfd->peer->lock); | |
2097 | peer_delete(rfd->peer); | |
2098 | } | |
2099 | rfd->peer = NULL; | |
2100 | ||
2101 | return 0; | |
65efcfce LB |
2102 | } |
2103 | ||
d62a17ae | 2104 | int rfapi_close(void *handle) |
65efcfce | 2105 | { |
d62a17ae | 2106 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2107 | int rc; | |
fe08ba7e | 2108 | struct agg_node *node; |
d62a17ae | 2109 | struct bgp *bgp; |
2110 | struct rfapi *h; | |
65efcfce | 2111 | |
d62a17ae | 2112 | vnc_zlog_debug_verbose("%s: rfd=%p", __func__, rfd); |
65efcfce | 2113 | |
1e20238a | 2114 | #ifdef RFAPI_WHO_IS_CALLING_ME |
65efcfce LB |
2115 | #ifdef HAVE_GLIBC_BACKTRACE |
2116 | #define RFAPI_DEBUG_BACKTRACE_NENTRIES 5 | |
d62a17ae | 2117 | { |
2118 | void *buf[RFAPI_DEBUG_BACKTRACE_NENTRIES]; | |
2119 | char **syms; | |
2120 | int i; | |
2121 | size_t size; | |
2122 | ||
2123 | size = backtrace(buf, RFAPI_DEBUG_BACKTRACE_NENTRIES); | |
2124 | syms = backtrace_symbols(buf, size); | |
2125 | for (i = 0; i < size && i < RFAPI_DEBUG_BACKTRACE_NENTRIES; | |
2126 | ++i) { | |
2127 | vnc_zlog_debug_verbose("backtrace[%2d]: %s", i, | |
2128 | syms[i]); | |
2129 | } | |
2130 | free(syms); | |
2131 | } | |
65efcfce LB |
2132 | #endif |
2133 | #endif | |
2134 | ||
d62a17ae | 2135 | bgp = rfd->bgp; |
2136 | if (!bgp) | |
2137 | return ENXIO; | |
2138 | ||
2139 | h = bgp->rfapi; | |
2140 | if (!h) | |
2141 | return ENXIO; | |
2142 | ||
2143 | if (!is_valid_rfd(rfd)) | |
2144 | return EBADF; | |
2145 | ||
2146 | if (h->flags & RFAPI_INCALLBACK) { | |
2147 | /* | |
2148 | * Queue these close requests for processing after callback | |
2149 | * is finished | |
2150 | */ | |
2151 | if (!CHECK_FLAG(rfd->flags, | |
2152 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2153 | work_queue_add(h->deferred_close_q, handle); | |
2154 | vnc_zlog_debug_verbose( | |
2155 | "%s: added handle %p to deferred close queue", | |
2156 | __func__, handle); | |
2157 | } | |
2158 | return 0; | |
2159 | } | |
2160 | ||
2161 | if (CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { | |
2162 | ||
2163 | vnc_zlog_debug_verbose("%s administrative close rfd=%p", | |
2164 | __func__, rfd); | |
2165 | ||
6198b694 | 2166 | if (h->rfp_methods.close_cb) { |
d62a17ae | 2167 | vnc_zlog_debug_verbose( |
2168 | "%s calling close callback rfd=%p", __func__, | |
2169 | rfd); | |
2170 | ||
2171 | /* | |
2172 | * call the callback fairly early so that it can still | |
2173 | * lookup un/vn | |
2174 | * from handle, etc. | |
2175 | * | |
2176 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2177 | * this point | |
2178 | * we are not already in the context of a callback. | |
2179 | */ | |
2180 | h->flags |= RFAPI_INCALLBACK; | |
2181 | (*h->rfp_methods.close_cb)(handle, EIDRM); | |
2182 | h->flags &= ~RFAPI_INCALLBACK; | |
2183 | } | |
2184 | } | |
2185 | ||
2186 | if (rfd->rfg) { | |
2187 | /* | |
2188 | * Orphaned descriptors have already done this part, so do | |
2189 | * only for non-orphaned descriptors. | |
2190 | */ | |
2191 | if ((rc = rfapi_close_inner(rfd, bgp))) | |
2192 | return rc; | |
2193 | } | |
2194 | ||
2195 | /* | |
2196 | * Remove descriptor from UN index | |
2197 | * (remove from chain at node) | |
2198 | */ | |
2199 | rc = rfapi_find_node(bgp, &rfd->vn_addr, &rfd->un_addr, &node); | |
2200 | if (!rc) { | |
2201 | struct rfapi_descriptor *hh; | |
2202 | ||
2203 | if (node->info == rfd) { | |
2204 | node->info = rfd->next; | |
2205 | } else { | |
2206 | ||
2207 | for (hh = node->info; hh; hh = hh->next) { | |
2208 | if (hh->next == rfd) { | |
2209 | hh->next = rfd->next; | |
2210 | break; | |
2211 | } | |
2212 | } | |
2213 | } | |
fe08ba7e | 2214 | agg_unlock_node(node); |
d62a17ae | 2215 | } |
2216 | ||
2217 | /* | |
2218 | * remove from descriptor list | |
2219 | */ | |
2220 | listnode_delete(&h->descriptors, rfd); | |
2221 | ||
2222 | /* | |
2223 | * Delete monitor list items and free monitor structures | |
2224 | */ | |
2225 | (void)rfapiMonitorDelHd(rfd); | |
2226 | ||
2227 | /* | |
2228 | * release advertised prefix data | |
2229 | */ | |
2230 | rfapiApRelease(&rfd->advertised); | |
2231 | ||
2232 | /* | |
2233 | * Release RFP callback RIB | |
2234 | */ | |
2235 | rfapiRibFree(rfd); | |
2236 | ||
2237 | /* | |
2238 | * free descriptor | |
2239 | */ | |
2240 | memset(rfd, 0, sizeof(struct rfapi_descriptor)); | |
2241 | XFREE(MTYPE_RFAPI_DESC, rfd); | |
2242 | ||
2243 | return 0; | |
65efcfce LB |
2244 | } |
2245 | ||
2246 | /* | |
2247 | * Reopen a nve descriptor. If the descriptor's NVE-group | |
2248 | * does not exist (e.g., if it has been administratively removed), | |
2249 | * reassignment to a new NVE-group is attempted. | |
2250 | * | |
2251 | * If NVE-group reassignment fails, the descriptor becomes "stale" | |
2252 | * (rfd->rfg == NULL implies "stale:). The only permissible API operation | |
2253 | * on a stale descriptor is rfapi_close(). Any other rfapi_* API operation | |
2254 | * on the descriptor will return ESTALE. | |
2255 | * | |
2256 | * Reopening a descriptor is a potentially expensive operation, because | |
2257 | * it involves withdrawing any routes advertised by the NVE, withdrawing | |
2258 | * the NVE's route queries, and then re-adding them all after a new | |
2259 | * NVE-group is assigned. There are also possible route-export affects | |
2260 | * caused by deleting and then adding the NVE: advertised prefixes | |
2261 | * and nexthop lists for exported routes can turn over. | |
2262 | */ | |
d62a17ae | 2263 | int rfapi_reopen(struct rfapi_descriptor *rfd, struct bgp *bgp) |
65efcfce | 2264 | { |
d62a17ae | 2265 | struct rfapi *h; |
2266 | int rc; | |
2267 | ||
2268 | if ((rc = rfapi_close_inner(rfd, bgp))) { | |
2269 | return rc; | |
2270 | } | |
2271 | if ((rc = rfapi_open_rfd(rfd, bgp))) { | |
2272 | ||
2273 | h = bgp->rfapi; | |
2274 | ||
b575a12c | 2275 | assert(h != NULL && !CHECK_FLAG(h->flags, RFAPI_INCALLBACK)); |
d62a17ae | 2276 | |
2277 | if (CHECK_FLAG(rfd->flags, | |
2278 | RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY) | |
2279 | && h && h->rfp_methods.close_cb) { | |
2280 | ||
2281 | /* | |
2282 | * NB RFAPI_INCALLBACK is tested above, so if we reach | |
2283 | * this point | |
2284 | * we are not already in the context of a callback. | |
2285 | */ | |
2286 | h->flags |= RFAPI_INCALLBACK; | |
2287 | (*h->rfp_methods.close_cb)((rfapi_handle)rfd, ESTALE); | |
2288 | h->flags &= ~RFAPI_INCALLBACK; | |
2289 | } | |
2290 | return rc; | |
2291 | } | |
2292 | return 0; | |
65efcfce LB |
2293 | } |
2294 | ||
2295 | /*********************************************************************** | |
2296 | * NVE Routes | |
2297 | ***********************************************************************/ | |
d62a17ae | 2298 | /* |
65efcfce LB |
2299 | * Announce reachability to this prefix via the NVE |
2300 | */ | |
d62a17ae | 2301 | int rfapi_register(void *handle, struct rfapi_ip_prefix *prefix, |
2302 | uint32_t lifetime, /* host byte order */ | |
2303 | struct rfapi_un_option *options_un, | |
2304 | struct rfapi_vn_option *options_vn, | |
2305 | rfapi_register_action action) | |
65efcfce | 2306 | { |
d62a17ae | 2307 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2308 | struct bgp *bgp; | |
2309 | struct prefix p; | |
2310 | struct prefix *pfx_ip = NULL; | |
2311 | struct prefix_rd prd; | |
e7038dde | 2312 | afi_t afi; |
d62a17ae | 2313 | struct prefix pfx_mac_buf; |
2314 | struct prefix *pfx_mac = NULL; | |
2315 | struct prefix pfx_vn_buf; | |
2316 | const char *action_str = NULL; | |
2317 | uint32_t *label = NULL; | |
2318 | struct rfapi_vn_option *vo; | |
2319 | struct rfapi_l2address_option *l2o = NULL; | |
2320 | struct prefix_rd *prd_override = NULL; | |
2321 | ||
2322 | switch (action) { | |
2323 | case RFAPI_REGISTER_ADD: | |
2324 | action_str = "add"; | |
2325 | break; | |
2326 | case RFAPI_REGISTER_WITHDRAW: | |
2327 | action_str = "withdraw"; | |
2328 | break; | |
2329 | case RFAPI_REGISTER_KILL: | |
2330 | action_str = "kill"; | |
2331 | break; | |
2332 | default: | |
2333 | assert(0); | |
2334 | break; | |
2335 | } | |
2336 | ||
2337 | /* | |
2338 | * Inspect VN options | |
2339 | */ | |
2340 | for (vo = options_vn; vo; vo = vo->next) { | |
2341 | if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { | |
2342 | l2o = &vo->v.l2addr; | |
2343 | } | |
2344 | if (RFAPI_VN_OPTION_TYPE_INTERNAL_RD == vo->type) { | |
2345 | prd_override = &vo->v.internal_rd; | |
2346 | } | |
2347 | } | |
2348 | ||
2349 | /********************************************************************* | |
2350 | * advertise prefix | |
2351 | *********************************************************************/ | |
2352 | ||
2353 | /* | |
2354 | * set <p> based on <prefix> | |
2355 | */ | |
2356 | assert(!rfapiRprefix2Qprefix(prefix, &p)); | |
2357 | ||
2358 | afi = family2afi(prefix->prefix.addr_family); | |
2359 | assert(afi); | |
2360 | ||
2dbe669b DA |
2361 | vnc_zlog_debug_verbose( |
2362 | "%s(rfd=%p, pfx=%pFX, lifetime=%d, opts_un=%p, opts_vn=%p, action=%s)", | |
2363 | __func__, rfd, &p, lifetime, options_un, options_vn, | |
2364 | action_str); | |
d62a17ae | 2365 | |
2366 | /* | |
2367 | * These tests come after the prefix conversion so that we can | |
2368 | * print the prefix in a debug message before failing | |
2369 | */ | |
2370 | ||
2371 | bgp = rfd->bgp; | |
2372 | if (!bgp) { | |
2373 | vnc_zlog_debug_verbose("%s: no BGP instance: returning ENXIO", | |
2374 | __func__); | |
2375 | return ENXIO; | |
2376 | } | |
2377 | if (!bgp->rfapi) { | |
2378 | vnc_zlog_debug_verbose("%s: no RFAPI instance: returning ENXIO", | |
2379 | __func__); | |
2380 | return ENXIO; | |
2381 | } | |
2382 | if (!rfd->rfg) { | |
2383 | if (RFAPI_REGISTER_ADD == action) { | |
2384 | ++bgp->rfapi->stat.count_registrations_failed; | |
2385 | } | |
2386 | vnc_zlog_debug_verbose( | |
2387 | "%s: rfd=%p, no RF GRP instance: returning ESTALE", | |
2388 | __func__, rfd); | |
2389 | return ESTALE; | |
2390 | } | |
2391 | ||
2392 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) { | |
2393 | if (RFAPI_REGISTER_ADD == action) { | |
2394 | ++bgp->rfapi->stat.count_registrations_failed; | |
2395 | } | |
2396 | vnc_zlog_debug_verbose("%s: in callback: returning EDEADLK", | |
2397 | __func__); | |
2398 | return EDEADLK; | |
2399 | } | |
2400 | ||
2401 | if (!is_valid_rfd(rfd)) { | |
2402 | if (RFAPI_REGISTER_ADD == action) { | |
2403 | ++bgp->rfapi->stat.count_registrations_failed; | |
2404 | } | |
2405 | vnc_zlog_debug_verbose("%s: invalid handle: returning EBADF", | |
2406 | __func__); | |
2407 | return EBADF; | |
2408 | } | |
2409 | ||
2410 | /* | |
2411 | * Is there a MAC address in this registration? | |
2412 | */ | |
2413 | if (l2o && !RFAPI_0_ETHERADDR(&l2o->macaddr)) { | |
2414 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2415 | pfx_mac = &pfx_mac_buf; | |
2416 | } | |
2417 | ||
2418 | /* | |
2419 | * Is there an IP prefix in this registration? | |
2420 | */ | |
2421 | if (!(RFAPI_0_PREFIX(&p) && RFAPI_HOST_PREFIX(&p))) { | |
2422 | pfx_ip = &p; | |
2423 | } else { | |
2424 | if (!pfx_mac) { | |
2425 | vnc_zlog_debug_verbose( | |
2426 | "%s: missing mac addr that is required for host 0 pfx", | |
2427 | __func__); | |
2428 | if (RFAPI_REGISTER_ADD == action) { | |
2429 | ++bgp->rfapi->stat.count_registrations_failed; | |
2430 | } | |
2431 | return EINVAL; | |
2432 | } | |
2433 | if (rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn_buf)) { | |
2434 | vnc_zlog_debug_verbose( | |
2435 | "%s: handle has bad vn_addr: returning EBADF", | |
2436 | __func__); | |
2437 | if (RFAPI_REGISTER_ADD == action) { | |
2438 | ++bgp->rfapi->stat.count_registrations_failed; | |
2439 | } | |
2440 | return EBADF; | |
2441 | } | |
2442 | } | |
2443 | ||
2444 | if (RFAPI_REGISTER_ADD == action) { | |
2445 | ++bgp->rfapi->stat.count_registrations; | |
2446 | } | |
2447 | ||
2448 | /* | |
2449 | * Figure out if this registration is missing an IP address | |
2450 | * | |
2451 | * MAC-addr based: | |
2452 | * | |
2453 | * In RFAPI, we use prefixes in family AF_LINK to store | |
2454 | * the MAC addresses. These prefixes are used for the | |
2455 | * list of advertised prefixes and in the RFAPI import | |
2456 | * tables. | |
2457 | * | |
2458 | * In BGP proper, we use the prefix matching the NVE's | |
2459 | * VN address with a host prefix-length (i.e., 32 or 128). | |
2460 | * | |
2461 | */ | |
2462 | if (l2o && l2o->logical_net_id && RFAPI_0_PREFIX(&p) | |
2463 | && RFAPI_HOST_PREFIX(&p)) { | |
2464 | ||
2465 | rfapiL2o2Qprefix(l2o, &pfx_mac_buf); | |
2466 | pfx_mac = &pfx_mac_buf; | |
2467 | } | |
2468 | ||
2469 | /* | |
2470 | * Construct route distinguisher | |
2471 | */ | |
2472 | if (prd_override) { | |
2473 | prd = *prd_override; | |
2474 | } else { | |
2475 | memset(&prd, 0, sizeof(prd)); | |
2476 | if (pfx_mac) { | |
2477 | prd.family = AF_UNSPEC; | |
2478 | prd.prefixlen = 64; | |
2479 | encode_rd_type(RD_TYPE_VNC_ETH, prd.val); | |
2480 | if (l2o->local_nve_id | |
2481 | || !(rfd->rfg->flags & RFAPI_RFG_L2RD)) { | |
2482 | /* | |
2483 | * If Local NVE ID is specified in message, use | |
2484 | * it. | |
2485 | * (if no local default configured, also use it | |
2486 | * even if 0) | |
2487 | */ | |
2488 | prd.val[1] = l2o->local_nve_id; | |
2489 | } else { | |
2490 | if (rfd->rfg->l2rd) { | |
2491 | /* | |
2492 | * locally-configured literal value | |
2493 | */ | |
2494 | prd.val[1] = rfd->rfg->l2rd; | |
2495 | } else { | |
2496 | /* | |
2497 | * 0 means auto:vn, which means use LSB | |
2498 | * of VN addr | |
2499 | */ | |
2500 | if (rfd->vn_addr.addr_family | |
2501 | == AF_INET) { | |
2502 | prd.val[1] = | |
2503 | *(((char *)&rfd->vn_addr | |
2504 | .addr.v4 | |
2505 | .s_addr) | |
2506 | + 3); | |
2507 | } else { | |
2508 | prd.val[1] = | |
2509 | *(((char *)&rfd->vn_addr | |
2510 | .addr.v6 | |
2511 | .s6_addr) | |
2512 | + 15); | |
2513 | } | |
2514 | } | |
2515 | } | |
2516 | memcpy(prd.val + 2, pfx_mac->u.prefix_eth.octet, 6); | |
2517 | } else { | |
2518 | prd = rfd->rd; | |
2519 | prd.family = AF_UNSPEC; | |
2520 | prd.prefixlen = 64; | |
2521 | } | |
2522 | } | |
2523 | ||
2524 | ||
2525 | if (action == RFAPI_REGISTER_WITHDRAW | |
2526 | || action == RFAPI_REGISTER_KILL) { | |
2527 | ||
2528 | int adv_tunnel = 0; | |
2529 | ||
2530 | /* | |
2531 | * withdraw previous advertisement | |
2532 | */ | |
2533 | del_vnc_route( | |
2534 | rfd, rfd->peer, bgp, SAFI_MPLS_VPN, | |
2535 | pfx_ip ? pfx_ip | |
2536 | : &pfx_vn_buf, /* prefix being advertised */ | |
2537 | &prd, /* route distinguisher (0 for ENCAP) */ | |
2538 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, | |
2539 | action == RFAPI_REGISTER_KILL); | |
2540 | ||
9d303b37 DL |
2541 | if (0 == rfapiApDelete(bgp, rfd, &p, pfx_mac, &prd, |
2542 | &adv_tunnel)) { | |
d62a17ae | 2543 | if (adv_tunnel) |
2544 | rfapiTunnelRouteAnnounce( | |
2545 | bgp, rfd, &rfd->max_prefix_lifetime); | |
2546 | } | |
2547 | ||
2548 | } else { | |
2549 | ||
2550 | int adv_tunnel = 0; | |
2551 | uint32_t local_pref; | |
2552 | struct ecommunity *rtlist = NULL; | |
2553 | struct ecommunity_val ecom_value; | |
2554 | ||
2555 | if (!rfapiApCount(rfd)) { | |
2556 | /* | |
2557 | * make sure we advertise tunnel route upon adding the | |
2558 | * first VPN route | |
2559 | */ | |
2560 | adv_tunnel = 1; | |
2561 | } | |
2562 | ||
2563 | if (rfapiApAdd(bgp, rfd, &p, pfx_mac, &prd, lifetime, | |
2564 | prefix->cost, l2o)) { | |
2565 | adv_tunnel = 1; | |
2566 | } | |
2567 | ||
2568 | vnc_zlog_debug_verbose("%s: adv_tunnel = %d", __func__, | |
2569 | adv_tunnel); | |
2570 | if (adv_tunnel) { | |
2571 | vnc_zlog_debug_verbose("%s: announcing tunnel route", | |
2572 | __func__); | |
2573 | rfapiTunnelRouteAnnounce(bgp, rfd, | |
2574 | &rfd->max_prefix_lifetime); | |
2575 | } | |
2576 | ||
2577 | vnc_zlog_debug_verbose("%s: calling add_vnc_route", __func__); | |
2578 | ||
2579 | local_pref = rfp_cost_to_localpref(prefix->cost); | |
2580 | ||
2581 | if (l2o && l2o->label) | |
2582 | label = &l2o->label; | |
2583 | ||
2584 | if (pfx_mac) { | |
2585 | struct ecommunity *l2com = NULL; | |
2586 | ||
2587 | if (label) { | |
2588 | l2com = bgp_rfapi_get_ecommunity_by_lni_label( | |
2589 | bgp, 1, l2o->logical_net_id, *label); | |
2590 | } | |
2591 | if (l2com) { | |
2592 | rtlist = ecommunity_dup(l2com); | |
2593 | } else { | |
2594 | /* | |
2595 | * If mac address is set, add an RT based on the | |
2596 | * registered LNI | |
2597 | */ | |
2598 | memset((char *)&ecom_value, 0, | |
2599 | sizeof(ecom_value)); | |
2600 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2601 | ecom_value.val[5] = | |
2602 | (l2o->logical_net_id >> 16) & 0xff; | |
2603 | ecom_value.val[6] = | |
2604 | (l2o->logical_net_id >> 8) & 0xff; | |
2605 | ecom_value.val[7] = | |
2606 | (l2o->logical_net_id >> 0) & 0xff; | |
2607 | rtlist = ecommunity_new(); | |
1207a5bc | 2608 | ecommunity_add_val(rtlist, &ecom_value, |
2609 | false, false); | |
d62a17ae | 2610 | } |
2611 | if (l2o->tag_id) { | |
2612 | as_t as = bgp->as; | |
2613 | uint16_t val = l2o->tag_id; | |
2614 | memset((char *)&ecom_value, 0, | |
2615 | sizeof(ecom_value)); | |
2616 | ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; | |
2617 | if (as > BGP_AS_MAX) { | |
2618 | ecom_value.val[0] = | |
2619 | ECOMMUNITY_ENCODE_AS4; | |
2620 | ecom_value.val[2] = (as >> 24) & 0xff; | |
2621 | ecom_value.val[3] = (as >> 16) & 0xff; | |
2622 | ecom_value.val[4] = (as >> 8) & 0xff; | |
2623 | ecom_value.val[5] = as & 0xff; | |
2624 | } else { | |
2625 | ecom_value.val[0] = | |
2626 | ECOMMUNITY_ENCODE_AS; | |
2627 | ecom_value.val[2] = (as >> 8) & 0xff; | |
2628 | ecom_value.val[3] = as & 0xff; | |
2629 | } | |
2630 | ecom_value.val[6] = (val >> 8) & 0xff; | |
2631 | ecom_value.val[7] = val & 0xff; | |
2632 | if (rtlist == NULL) | |
2633 | rtlist = ecommunity_new(); | |
1207a5bc | 2634 | ecommunity_add_val(rtlist, &ecom_value, |
2635 | false, false); | |
d62a17ae | 2636 | } |
2637 | } | |
2638 | ||
2639 | /* | |
2640 | * advertise prefix via tunnel endpoint | |
2641 | */ | |
2642 | add_vnc_route( | |
2643 | rfd, /* rfapi descr, for export list & backref */ | |
2644 | bgp, /* which bgp instance */ | |
2645 | SAFI_MPLS_VPN, /* which SAFI */ | |
2646 | (pfx_ip ? pfx_ip | |
2647 | : &pfx_vn_buf), /* prefix being advertised */ | |
2648 | &prd, /* route distinguisher to use (0 for ENCAP) */ | |
2649 | &rfd->vn_addr, /* nexthop */ | |
2650 | &local_pref, | |
2651 | &lifetime, /* prefix lifetime -> Tunnel Encap attr */ | |
2652 | NULL, options_un, /* rfapi un options */ | |
2653 | options_vn, /* rfapi vn options */ | |
2654 | (rtlist ? rtlist : rfd->rt_export_list), NULL, /* med */ | |
2655 | label, /* label: default */ | |
2656 | ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); | |
2657 | ||
2658 | if (rtlist) | |
2659 | ecommunity_free(&rtlist); /* sets rtlist = NULL */ | |
2660 | } | |
2661 | ||
2662 | vnc_zlog_debug_verbose("%s: success", __func__); | |
2663 | return 0; | |
65efcfce LB |
2664 | } |
2665 | ||
d62a17ae | 2666 | int rfapi_query(void *handle, struct rfapi_ip_addr *target, |
2667 | struct rfapi_l2address_option *l2o, /* may be NULL */ | |
2668 | struct rfapi_next_hop_entry **ppNextHopEntry) | |
65efcfce | 2669 | { |
d62a17ae | 2670 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2671 | struct bgp *bgp = rfd->bgp; | |
2672 | int rc; | |
2673 | ||
2674 | assert(ppNextHopEntry); | |
2675 | *ppNextHopEntry = NULL; | |
2676 | ||
2677 | if (bgp && bgp->rfapi) { | |
2678 | bgp->rfapi->stat.count_queries++; | |
2679 | } | |
2680 | ||
2681 | if (!rfd->rfg) { | |
2682 | if (bgp && bgp->rfapi) | |
2683 | ++bgp->rfapi->stat.count_queries_failed; | |
2684 | return ESTALE; | |
2685 | } | |
2686 | ||
2687 | if ((rc = rfapi_query_inner(handle, target, l2o, ppNextHopEntry))) { | |
2688 | if (bgp && bgp->rfapi) | |
2689 | ++bgp->rfapi->stat.count_queries_failed; | |
2690 | } | |
2691 | return rc; | |
65efcfce LB |
2692 | } |
2693 | ||
d62a17ae | 2694 | int rfapi_query_done(rfapi_handle handle, struct rfapi_ip_addr *target) |
65efcfce | 2695 | { |
d62a17ae | 2696 | struct prefix p; |
2697 | int rc; | |
2698 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; | |
2699 | struct bgp *bgp = rfd->bgp; | |
65efcfce | 2700 | |
d62a17ae | 2701 | if (!rfd->rfg) |
2702 | return ESTALE; | |
65efcfce | 2703 | |
d62a17ae | 2704 | assert(target); |
2705 | rc = rfapiRaddr2Qprefix(target, &p); | |
2706 | assert(!rc); | |
65efcfce | 2707 | |
d62a17ae | 2708 | if (!is_valid_rfd(rfd)) |
2709 | return EBADF; | |
65efcfce | 2710 | |
d62a17ae | 2711 | /* preemptive */ |
2712 | if (!bgp || !bgp->rfapi) | |
2713 | return ENXIO; | |
65efcfce | 2714 | |
d62a17ae | 2715 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) |
2716 | return EDEADLK; | |
65efcfce | 2717 | |
d62a17ae | 2718 | rfapiMonitorDel(bgp, rfd, &p); |
65efcfce | 2719 | |
d62a17ae | 2720 | return 0; |
65efcfce LB |
2721 | } |
2722 | ||
d62a17ae | 2723 | int rfapi_query_done_all(rfapi_handle handle, int *count) |
65efcfce | 2724 | { |
d62a17ae | 2725 | struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; |
2726 | struct bgp *bgp = rfd->bgp; | |
2727 | ; | |
2728 | int num; | |
65efcfce | 2729 | |
d62a17ae | 2730 | if (!rfd->rfg) |
2731 | return ESTALE; | |
65efcfce | 2732 | |
d62a17ae | 2733 | if (!is_valid_rfd(rfd)) |
2734 | return EBADF; | |
65efcfce | 2735 | |
d62a17ae | 2736 | /* preemptive */ |
2737 | if (!bgp || !bgp->rfapi) | |
2738 | return ENXIO; | |
65efcfce | 2739 | |
d62a17ae | 2740 | if (bgp->rfapi->flags & RFAPI_INCALLBACK) |
2741 | return EDEADLK; | |
65efcfce | 2742 | |
d62a17ae | 2743 | num = rfapiMonitorDelHd(rfd); |
65efcfce | 2744 | |
d62a17ae | 2745 | if (count) |
2746 | *count = num; | |
65efcfce | 2747 | |
d62a17ae | 2748 | return 0; |
65efcfce LB |
2749 | } |
2750 | ||
d62a17ae | 2751 | void rfapi_free_next_hop_list(struct rfapi_next_hop_entry *list) |
65efcfce | 2752 | { |
d62a17ae | 2753 | struct rfapi_next_hop_entry *nh; |
2754 | struct rfapi_next_hop_entry *next; | |
2755 | ||
2756 | for (nh = list; nh; nh = next) { | |
2757 | next = nh->next; | |
2758 | rfapi_un_options_free(nh->un_options); | |
2759 | nh->un_options = NULL; | |
2760 | rfapi_vn_options_free(nh->vn_options); | |
2761 | nh->vn_options = NULL; | |
2762 | XFREE(MTYPE_RFAPI_NEXTHOP, nh); | |
2763 | } | |
65efcfce LB |
2764 | } |
2765 | ||
2766 | /* | |
2767 | * NULL handle => return total count across all nves | |
2768 | */ | |
d62a17ae | 2769 | uint32_t rfapi_monitor_count(void *handle) |
65efcfce | 2770 | { |
d62a17ae | 2771 | struct bgp *bgp = bgp_get_default(); |
2772 | uint32_t count; | |
65efcfce | 2773 | |
d62a17ae | 2774 | if (handle) { |
2775 | struct rfapi_descriptor *rfd = | |
2776 | (struct rfapi_descriptor *)handle; | |
2777 | count = rfd->monitor_count; | |
2778 | } else { | |
65efcfce | 2779 | |
d62a17ae | 2780 | if (!bgp || !bgp->rfapi) |
2781 | return 0; | |
65efcfce | 2782 | |
d62a17ae | 2783 | count = bgp->rfapi->monitor_count; |
2784 | } | |
65efcfce | 2785 | |
d62a17ae | 2786 | return count; |
65efcfce LB |
2787 | } |
2788 | ||
2789 | /*********************************************************************** | |
2790 | * CLI/CONFIG | |
2791 | ***********************************************************************/ | |
2792 | ||
2793 | DEFUN (debug_rfapi_show_nves, | |
2794 | debug_rfapi_show_nves_cmd, | |
2795 | "debug rfapi-dev show nves", | |
2796 | DEBUG_STR | |
2797 | DEBUG_RFAPI_STR | |
2798 | SHOW_STR | |
2799 | "NVE Information\n") | |
2800 | { | |
d62a17ae | 2801 | rfapiPrintMatchingDescriptors(vty, NULL, NULL); |
2802 | return CMD_SUCCESS; | |
65efcfce LB |
2803 | } |
2804 | ||
2805 | DEFUN ( | |
2806 | debug_rfapi_show_nves_vn_un, | |
2807 | debug_rfapi_show_nves_vn_un_cmd, | |
034d2de2 | 2808 | "debug rfapi-dev show nves <vn|un> <A.B.C.D|X:X::X:X>", /* prefix also ok */ |
65efcfce LB |
2809 | DEBUG_STR |
2810 | DEBUG_RFAPI_STR | |
2811 | SHOW_STR | |
2812 | "NVE Information\n" | |
034d2de2 DS |
2813 | "Specify virtual network\n" |
2814 | "Specify underlay network interface\n" | |
2815 | "IPv4 address\n" | |
2816 | "IPv6 address\n") | |
65efcfce | 2817 | { |
d62a17ae | 2818 | struct prefix pfx; |
2819 | ||
2820 | if (!str2prefix(argv[5]->arg, &pfx)) { | |
2821 | vty_out(vty, "Malformed address \"%s\"\n", argv[5]->arg); | |
2822 | return CMD_WARNING_CONFIG_FAILED; | |
2823 | } | |
2824 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
2825 | vty_out(vty, "Invalid address \"%s\"\n", argv[5]->arg); | |
2826 | return CMD_WARNING_CONFIG_FAILED; | |
2827 | } | |
2828 | ||
2829 | if (argv[4]->arg[0] == 'u') { | |
2830 | rfapiPrintMatchingDescriptors(vty, NULL, &pfx); | |
2831 | } else { | |
2832 | rfapiPrintMatchingDescriptors(vty, &pfx, NULL); | |
2833 | } | |
2834 | return CMD_SUCCESS; | |
65efcfce LB |
2835 | } |
2836 | ||
2837 | /* | |
2838 | * Note: this function does not flush vty output, so if it is called | |
2839 | * with a stream pointing to a vty, the user will have to type something | |
2840 | * before the callback output shows up | |
2841 | */ | |
d62a17ae | 2842 | static void test_nexthops_callback( |
2843 | // struct rfapi_ip_addr *target, | |
2844 | struct rfapi_next_hop_entry *next_hops, void *userdata) | |
65efcfce | 2845 | { |
d62a17ae | 2846 | void *stream = userdata; |
65efcfce | 2847 | |
d62a17ae | 2848 | int (*fp)(void *, const char *, ...); |
2849 | struct vty *vty; | |
2850 | void *out; | |
2851 | const char *vty_newline; | |
65efcfce | 2852 | |
d62a17ae | 2853 | if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0) |
2854 | return; | |
65efcfce | 2855 | |
d62a17ae | 2856 | fp(out, "Nexthops Callback, Target=("); |
2857 | // rfapiPrintRfapiIpAddr(stream, target); | |
2858 | fp(out, ")\n"); | |
65efcfce | 2859 | |
d62a17ae | 2860 | rfapiPrintNhl(stream, next_hops); |
65efcfce | 2861 | |
3a022a7f LB |
2862 | fp(out, "\n"); |
2863 | ||
d62a17ae | 2864 | rfapi_free_next_hop_list(next_hops); |
65efcfce LB |
2865 | } |
2866 | ||
2867 | DEFUN (debug_rfapi_open, | |
2868 | debug_rfapi_open_cmd, | |
034d2de2 | 2869 | "debug rfapi-dev open vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2870 | DEBUG_STR |
2871 | DEBUG_RFAPI_STR | |
2872 | "rfapi_open\n" | |
2873 | "indicate vn addr follows\n" | |
034d2de2 DS |
2874 | "virtual network interface IPv4 address\n" |
2875 | "virtual network interface IPv6 address\n" | |
2876 | "indicate xt addr follows\n" | |
2877 | "underlay network interface IPv4 address\n" | |
2878 | "underlay network interface IPv6 address\n") | |
65efcfce | 2879 | { |
d62a17ae | 2880 | struct rfapi_ip_addr vn; |
2881 | struct rfapi_ip_addr un; | |
ed4e30ed | 2882 | uint32_t lifetime = 0; |
d62a17ae | 2883 | int rc; |
2884 | rfapi_handle handle; | |
65efcfce | 2885 | |
d62a17ae | 2886 | /* |
2887 | * Get VN addr | |
2888 | */ | |
2889 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
2890 | return rc; | |
65efcfce | 2891 | |
d62a17ae | 2892 | /* |
2893 | * Get UN addr | |
2894 | */ | |
2895 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
2896 | return rc; | |
65efcfce | 2897 | |
d62a17ae | 2898 | rc = rfapi_open(rfapi_get_rfp_start_val_by_bgp(bgp_get_default()), &vn, |
2899 | &un, /*&uo */ NULL, &lifetime, NULL, &handle); | |
65efcfce | 2900 | |
d62a17ae | 2901 | vty_out(vty, "rfapi_open: status %d, handle %p, lifetime %d\n", rc, |
2902 | handle, lifetime); | |
65efcfce | 2903 | |
d62a17ae | 2904 | rc = rfapi_set_response_cb(handle, test_nexthops_callback); |
65efcfce | 2905 | |
d62a17ae | 2906 | vty_out(vty, "rfapi_set_response_cb: status %d\n", rc); |
65efcfce | 2907 | |
d62a17ae | 2908 | return CMD_SUCCESS; |
65efcfce LB |
2909 | } |
2910 | ||
2911 | ||
2912 | DEFUN (debug_rfapi_close_vn_un, | |
2913 | debug_rfapi_close_vn_un_cmd, | |
034d2de2 | 2914 | "debug rfapi-dev close vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X>", |
65efcfce LB |
2915 | DEBUG_STR |
2916 | DEBUG_RFAPI_STR | |
2917 | "rfapi_close\n" | |
2918 | "indicate vn addr follows\n" | |
034d2de2 DS |
2919 | "virtual network interface IPv4 address\n" |
2920 | "virtual network interface IPv6 address\n" | |
2921 | "indicate xt addr follows\n" | |
2922 | "underlay network interface IPv4 address\n" | |
2923 | "underlay network interface IPv6 address\n") | |
65efcfce | 2924 | { |
d62a17ae | 2925 | struct rfapi_ip_addr vn; |
2926 | struct rfapi_ip_addr un; | |
2927 | rfapi_handle handle; | |
2928 | int rc; | |
65efcfce | 2929 | |
d62a17ae | 2930 | /* |
2931 | * Get VN addr | |
2932 | */ | |
2933 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
2934 | return rc; | |
65efcfce LB |
2935 | |
2936 | ||
d62a17ae | 2937 | /* |
2938 | * Get UN addr | |
2939 | */ | |
2940 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
2941 | return rc; | |
65efcfce LB |
2942 | |
2943 | ||
d62a17ae | 2944 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
2945 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
2946 | argv[4]->arg, argv[6]->arg); | |
2947 | return CMD_WARNING_CONFIG_FAILED; | |
2948 | } | |
65efcfce | 2949 | |
d62a17ae | 2950 | rc = rfapi_close(handle); |
65efcfce | 2951 | |
d62a17ae | 2952 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 2953 | |
d62a17ae | 2954 | return CMD_SUCCESS; |
65efcfce LB |
2955 | } |
2956 | ||
2957 | DEFUN (debug_rfapi_close_rfd, | |
2958 | debug_rfapi_close_rfd_cmd, | |
2959 | "debug rfapi-dev close rfd HANDLE", | |
2960 | DEBUG_STR | |
2961 | DEBUG_RFAPI_STR | |
2962 | "rfapi_close\n" | |
2963 | "indicate handle follows\n" "rfapi handle in hexadecimal\n") | |
2964 | { | |
d62a17ae | 2965 | rfapi_handle handle; |
2966 | int rc; | |
2967 | char *endptr = NULL; | |
65efcfce | 2968 | |
d62a17ae | 2969 | handle = (rfapi_handle)(uintptr_t)(strtoull(argv[4]->arg, &endptr, 16)); |
65efcfce | 2970 | |
d62a17ae | 2971 | if (*endptr != '\0' || (uintptr_t)handle == UINTPTR_MAX) { |
2972 | vty_out(vty, "Invalid value: %s\n", argv[4]->arg); | |
2973 | return CMD_WARNING_CONFIG_FAILED; | |
2974 | } | |
65efcfce | 2975 | |
d62a17ae | 2976 | rc = rfapi_close(handle); |
65efcfce | 2977 | |
d62a17ae | 2978 | vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); |
65efcfce | 2979 | |
d62a17ae | 2980 | return CMD_SUCCESS; |
65efcfce LB |
2981 | } |
2982 | ||
2983 | DEFUN (debug_rfapi_register_vn_un, | |
2984 | debug_rfapi_register_vn_un_cmd, | |
3a022a7f | 2985 | "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 |
2986 | DEBUG_STR |
2987 | DEBUG_RFAPI_STR | |
2988 | "rfapi_register\n" | |
2989 | "indicate vn addr follows\n" | |
2990 | "virtual network IPv4 interface address\n" | |
2991 | "virtual network IPv6 interface address\n" | |
d62a17ae | 2992 | "indicate un addr follows\n" |
2993 | "underlay network IPv4 interface address\n" | |
2994 | "underlay network IPv6 interface address\n" | |
2995 | "indicate prefix follows\n" | |
2996 | "IPv4 prefix\n" | |
2997 | "IPv6 prefix\n" | |
2998 | "indicate lifetime follows\n" | |
3a022a7f LB |
2999 | "lifetime\n" |
3000 | "Cost (localpref = 255-cost)\n" | |
3001 | "0-255\n") | |
d62a17ae | 3002 | { |
3003 | struct rfapi_ip_addr vn; | |
3004 | struct rfapi_ip_addr un; | |
3005 | rfapi_handle handle; | |
3006 | struct prefix pfx; | |
3007 | uint32_t lifetime; | |
3008 | struct rfapi_ip_prefix hpfx; | |
3009 | int rc; | |
3a022a7f | 3010 | uint8_t cost = 100; |
d62a17ae | 3011 | |
3012 | /* | |
3013 | * Get VN addr | |
3014 | */ | |
3015 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3016 | return rc; | |
3017 | ||
3018 | ||
3019 | /* | |
3020 | * Get UN addr | |
3021 | */ | |
3022 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3023 | return rc; | |
3024 | ||
3025 | ||
3026 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3027 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3028 | argv[4]->arg, argv[6]->arg); | |
3029 | return CMD_WARNING_CONFIG_FAILED; | |
3030 | } | |
3031 | ||
3032 | /* | |
3033 | * Get prefix to advertise | |
3034 | */ | |
3035 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3036 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3037 | return CMD_WARNING_CONFIG_FAILED; | |
3038 | } | |
3039 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3040 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3041 | return CMD_WARNING_CONFIG_FAILED; | |
3042 | } | |
3043 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3044 | ||
3045 | if (strmatch(argv[10]->text, "infinite")) { | |
3046 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3047 | } else { | |
3048 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3049 | } | |
3050 | ||
3a022a7f LB |
3051 | if (argc >= 13) |
3052 | cost = (uint8_t) strtoul(argv[12]->arg, NULL, 10); | |
3053 | hpfx.cost = cost; | |
d62a17ae | 3054 | |
973fd31c LB |
3055 | rc = rfapi_register(handle, &hpfx, lifetime, NULL, NULL, |
3056 | RFAPI_REGISTER_ADD); | |
d62a17ae | 3057 | if (rc) { |
3058 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3059 | strerror(rc)); | |
3060 | } | |
3061 | ||
3062 | return CMD_SUCCESS; | |
65efcfce LB |
3063 | } |
3064 | ||
3065 | DEFUN (debug_rfapi_register_vn_un_l2o, | |
3066 | debug_rfapi_register_vn_un_l2o_cmd, | |
47714bd2 | 3067 | "debug rfapi-dev register vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X> prefix <A.B.C.D/M|X:X::X:X/M> lifetime SECONDS macaddr X:X:X:X:X:X lni (0-16777215)", |
65efcfce LB |
3068 | DEBUG_STR |
3069 | DEBUG_RFAPI_STR | |
3070 | "rfapi_register\n" | |
3071 | "indicate vn addr follows\n" | |
3072 | "virtual network IPv4 interface address\n" | |
3073 | "virtual network IPv6 interface address\n" | |
3074 | "indicate un addr follows\n" | |
3075 | "underlay network IPv4 interface address\n" | |
3076 | "underlay network IPv6 interface address\n" | |
3077 | "indicate prefix follows\n" | |
3078 | "IPv4 prefix\n" | |
034d2de2 DS |
3079 | "IPv6 prefix\n" |
3080 | "indicate lifetime follows\n" | |
3081 | "Seconds of lifetime\n" | |
3082 | "indicate MAC address follows\n" | |
3083 | "MAC address\n" | |
3084 | "indicate lni follows\n" | |
3085 | "lni value range\n") | |
65efcfce | 3086 | { |
d62a17ae | 3087 | struct rfapi_ip_addr vn; |
3088 | struct rfapi_ip_addr un; | |
3089 | rfapi_handle handle; | |
3090 | struct prefix pfx; | |
3091 | uint32_t lifetime; | |
3092 | struct rfapi_ip_prefix hpfx; | |
3093 | int rc; | |
3094 | struct rfapi_vn_option optary[10]; /* XXX must be big enough */ | |
3095 | struct rfapi_vn_option *opt = NULL; | |
3096 | int opt_next = 0; | |
3097 | ||
3098 | /* | |
3099 | * Get VN addr | |
3100 | */ | |
3101 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3102 | return rc; | |
3103 | ||
3104 | ||
3105 | /* | |
3106 | * Get UN addr | |
3107 | */ | |
3108 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3109 | return rc; | |
3110 | ||
3111 | ||
3112 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3113 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3114 | argv[4]->arg, argv[6]->arg); | |
3115 | return CMD_WARNING_CONFIG_FAILED; | |
3116 | } | |
3117 | ||
3118 | /* | |
3119 | * Get prefix to advertise | |
3120 | */ | |
3121 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3122 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3123 | return CMD_WARNING_CONFIG_FAILED; | |
3124 | } | |
3125 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3126 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3127 | return CMD_WARNING_CONFIG_FAILED; | |
3128 | } | |
3129 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3130 | ||
3131 | if (strmatch(argv[10]->text, "infinite")) { | |
3132 | lifetime = RFAPI_INFINITE_LIFETIME; | |
3133 | } else { | |
3134 | lifetime = strtoul(argv[10]->arg, NULL, 10); | |
3135 | } | |
3136 | ||
3137 | /* L2 option parsing START */ | |
3138 | memset(optary, 0, sizeof(optary)); | |
3139 | optary[opt_next].v.l2addr.logical_net_id = | |
3140 | strtoul(argv[14]->arg, NULL, 10); | |
3f54c705 PM |
3141 | if (rfapiStr2EthAddr(argv[12]->arg, |
3142 | &optary[opt_next].v.l2addr.macaddr)) { | |
d62a17ae | 3143 | vty_out(vty, "Bad mac address \"%s\"\n", argv[12]->arg); |
3144 | return CMD_WARNING_CONFIG_FAILED; | |
3145 | } | |
3146 | optary[opt_next].type = RFAPI_VN_OPTION_TYPE_L2ADDR; | |
c7e803f1 DS |
3147 | opt = optary; |
3148 | ||
d62a17ae | 3149 | /* L2 option parsing END */ |
3150 | ||
3151 | /* TBD fixme */ | |
973fd31c LB |
3152 | rc = rfapi_register(handle, &hpfx, lifetime, NULL /* &uo */, opt, |
3153 | RFAPI_REGISTER_ADD); | |
d62a17ae | 3154 | if (rc) { |
3155 | vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, | |
3156 | strerror(rc)); | |
3157 | } | |
3158 | ||
3159 | return CMD_SUCCESS; | |
65efcfce LB |
3160 | } |
3161 | ||
3162 | ||
3163 | DEFUN (debug_rfapi_unregister_vn_un, | |
3164 | debug_rfapi_unregister_vn_un_cmd, | |
973fd31c | 3165 | "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 |
3166 | DEBUG_STR |
3167 | DEBUG_RFAPI_STR | |
c4f16627 | 3168 | "rfapi_unregister\n" |
65efcfce LB |
3169 | "indicate vn addr follows\n" |
3170 | "virtual network interface address\n" | |
c4f16627 | 3171 | "virtual network interface address\n" |
65efcfce LB |
3172 | "indicate xt addr follows\n" |
3173 | "underlay network interface address\n" | |
c4f16627 | 3174 | "underlay network interface address\n" |
973fd31c | 3175 | "prefix to remove\n" |
c4f16627 DS |
3176 | "prefix to remove\n" |
3177 | "prefix to remove\n" | |
3178 | "Remove without holddown\n") | |
65efcfce | 3179 | { |
d62a17ae | 3180 | struct rfapi_ip_addr vn; |
3181 | struct rfapi_ip_addr un; | |
3182 | rfapi_handle handle; | |
3183 | struct prefix pfx; | |
3184 | struct rfapi_ip_prefix hpfx; | |
3185 | int rc; | |
3186 | ||
3187 | /* | |
3188 | * Get VN addr | |
3189 | */ | |
3190 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3191 | return rc; | |
3192 | ||
d62a17ae | 3193 | /* |
3194 | * Get UN addr | |
3195 | */ | |
3196 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3197 | return rc; | |
3198 | ||
3199 | ||
3200 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3201 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3202 | argv[4]->arg, argv[6]->arg); | |
3203 | return CMD_WARNING_CONFIG_FAILED; | |
3204 | } | |
3205 | ||
3206 | /* | |
3207 | * Get prefix to advertise | |
3208 | */ | |
3209 | if (!str2prefix(argv[8]->arg, &pfx)) { | |
3210 | vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); | |
3211 | return CMD_WARNING_CONFIG_FAILED; | |
3212 | } | |
3213 | if (pfx.family != AF_INET && pfx.family != AF_INET6) { | |
3214 | vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); | |
3215 | return CMD_WARNING_CONFIG_FAILED; | |
3216 | } | |
3217 | rfapiQprefix2Rprefix(&pfx, &hpfx); | |
3218 | ||
973fd31c LB |
3219 | rfapi_register(handle, &hpfx, 0, NULL, NULL, |
3220 | (argc == 10 ? | |
3221 | RFAPI_REGISTER_KILL : RFAPI_REGISTER_WITHDRAW)); | |
d62a17ae | 3222 | |
3223 | return CMD_SUCCESS; | |
65efcfce LB |
3224 | } |
3225 | ||
3226 | DEFUN (debug_rfapi_query_vn_un, | |
3227 | debug_rfapi_query_vn_un_cmd, | |
034d2de2 | 3228 | "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 |
3229 | DEBUG_STR |
3230 | DEBUG_RFAPI_STR | |
3231 | "rfapi_query\n" | |
3232 | "indicate vn addr follows\n" | |
034d2de2 DS |
3233 | "virtual network interface IPv4 address\n" |
3234 | "virtual network interface IPv6 address\n" | |
3235 | "indicate un addr follows\n" | |
3236 | "IPv4 un address\n" | |
3237 | "IPv6 un address\n" | |
3238 | "indicate target follows\n" | |
3239 | "target IPv4 address\n" | |
3240 | "target IPv6 address\n") | |
65efcfce | 3241 | { |
d62a17ae | 3242 | struct rfapi_ip_addr vn; |
3243 | struct rfapi_ip_addr un; | |
3244 | struct rfapi_ip_addr target; | |
3245 | rfapi_handle handle; | |
3246 | int rc; | |
3247 | struct rfapi_next_hop_entry *pNextHopEntry; | |
3248 | ||
3249 | /* | |
3250 | * Get VN addr | |
3251 | */ | |
3252 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3253 | return rc; | |
3254 | ||
3255 | ||
3256 | /* | |
3257 | * Get UN addr | |
3258 | */ | |
3259 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3260 | return rc; | |
3261 | ||
3262 | ||
3263 | /* | |
3264 | * Get target addr | |
3265 | */ | |
3266 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[8]->arg, &target))) | |
3267 | return rc; | |
3268 | ||
3269 | ||
3270 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3271 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3272 | argv[4]->arg, argv[6]->arg); | |
3273 | return CMD_WARNING_CONFIG_FAILED; | |
3274 | } | |
3275 | ||
3276 | /* | |
3277 | * options parameter not used? Set to NULL for now | |
3278 | */ | |
3279 | rc = rfapi_query(handle, &target, NULL, &pNextHopEntry); | |
3280 | ||
3281 | if (rc) { | |
3282 | vty_out(vty, "rfapi_query failed with rc=%d (%s)\n", rc, | |
3283 | strerror(rc)); | |
3284 | } else { | |
3285 | /* | |
3286 | * print nexthop list | |
3287 | */ | |
3288 | test_nexthops_callback(/*&target, */ pNextHopEntry, | |
3289 | vty); /* frees nh list! */ | |
3290 | } | |
3291 | ||
3292 | return CMD_SUCCESS; | |
65efcfce LB |
3293 | } |
3294 | ||
3295 | ||
3296 | DEFUN (debug_rfapi_query_vn_un_l2o, | |
3297 | debug_rfapi_query_vn_un_l2o_cmd, | |
47714bd2 | 3298 | "debug rfapi-dev query vn <A.B.C.D|X:X::X:X> un <A.B.C.D|X:X::X:X> lni LNI target X:X:X:X:X:X", |
65efcfce LB |
3299 | DEBUG_STR |
3300 | DEBUG_RFAPI_STR | |
3301 | "rfapi_query\n" | |
3302 | "indicate vn addr follows\n" | |
034d2de2 DS |
3303 | "virtual network interface IPv4 address\n" |
3304 | "virtual network interface IPv6 address\n" | |
65efcfce | 3305 | "indicate xt addr follows\n" |
034d2de2 DS |
3306 | "underlay network interface IPv4 address\n" |
3307 | "underlay network interface IPv6 address\n" | |
65efcfce LB |
3308 | "logical network ID follows\n" |
3309 | "logical network ID\n" | |
034d2de2 DS |
3310 | "indicate target MAC addr follows\n" |
3311 | "target MAC addr\n") | |
65efcfce | 3312 | { |
d62a17ae | 3313 | struct rfapi_ip_addr vn; |
3314 | struct rfapi_ip_addr un; | |
d62a17ae | 3315 | int rc; |
d62a17ae | 3316 | |
3317 | /* | |
3318 | * Get VN addr | |
3319 | */ | |
3320 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) | |
3321 | return rc; | |
3322 | ||
3323 | ||
3324 | /* | |
3325 | * Get UN addr | |
3326 | */ | |
3327 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) | |
3328 | return rc; | |
65efcfce | 3329 | |
d62a17ae | 3330 | vty_out(vty, "%% This command is broken.\n"); |
3331 | return CMD_WARNING_CONFIG_FAILED; | |
65efcfce LB |
3332 | } |
3333 | ||
3334 | ||
3335 | DEFUN (debug_rfapi_query_done_vn_un, | |
3336 | debug_rfapi_query_vn_un_done_cmd, | |
034d2de2 | 3337 | "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 |
3338 | DEBUG_STR |
3339 | DEBUG_RFAPI_STR | |
3340 | "rfapi_query_done\n" | |
034d2de2 | 3341 | "rfapi_query_done\n" |
65efcfce | 3342 | "indicate vn addr follows\n" |
034d2de2 DS |
3343 | "virtual network interface IPv4 address\n" |
3344 | "virtual network interface IPv6 address\n" | |
65efcfce | 3345 | "indicate xt addr follows\n" |
034d2de2 DS |
3346 | "underlay network interface IPv4 address\n" |
3347 | "underlay network interface IPv6 address\n" | |
3348 | "indicate target follows\n" | |
3349 | "Target IPv4 address\n" | |
3350 | "Target IPv6 address\n") | |
65efcfce | 3351 | { |
d62a17ae | 3352 | struct rfapi_ip_addr vn; |
3353 | struct rfapi_ip_addr un; | |
3354 | struct rfapi_ip_addr target; | |
3355 | rfapi_handle handle; | |
3356 | int rc; | |
65efcfce | 3357 | |
d62a17ae | 3358 | /* |
3359 | * Get VN addr | |
3360 | */ | |
3361 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3362 | return rc; | |
65efcfce LB |
3363 | |
3364 | ||
d62a17ae | 3365 | /* |
3366 | * Get UN addr | |
3367 | */ | |
3368 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3369 | return rc; | |
65efcfce LB |
3370 | |
3371 | ||
d62a17ae | 3372 | /* |
3373 | * Get target addr | |
3374 | */ | |
3375 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[9]->arg, &target))) | |
3376 | return rc; | |
65efcfce LB |
3377 | |
3378 | ||
d62a17ae | 3379 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { |
3380 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3381 | argv[5]->arg, argv[7]->arg); | |
3382 | return CMD_WARNING_CONFIG_FAILED; | |
3383 | } | |
65efcfce | 3384 | |
d62a17ae | 3385 | /* |
3386 | * options parameter not used? Set to NULL for now | |
3387 | */ | |
3388 | rc = rfapi_query_done(handle, &target); | |
65efcfce | 3389 | |
d62a17ae | 3390 | vty_out(vty, "rfapi_query_done returned %d\n", rc); |
65efcfce | 3391 | |
d62a17ae | 3392 | return CMD_SUCCESS; |
65efcfce LB |
3393 | } |
3394 | ||
3395 | DEFUN (debug_rfapi_show_import, | |
3396 | debug_rfapi_show_import_cmd, | |
3397 | "debug rfapi-dev show import", | |
3398 | DEBUG_STR | |
3399 | DEBUG_RFAPI_STR | |
3400 | SHOW_STR | |
3401 | "import\n") | |
3402 | { | |
d62a17ae | 3403 | struct bgp *bgp; |
3404 | struct rfapi *h; | |
3405 | struct rfapi_import_table *it; | |
3406 | char *s; | |
3407 | int first_l2 = 1; | |
3408 | ||
3409 | /* | |
3410 | * Show all import tables | |
3411 | */ | |
3412 | ||
3413 | bgp = bgp_get_default(); /* assume 1 instance for now */ | |
3414 | if (!bgp) { | |
3415 | vty_out(vty, "No BGP instance\n"); | |
3416 | return CMD_WARNING_CONFIG_FAILED; | |
3417 | } | |
3418 | ||
3419 | h = bgp->rfapi; | |
3420 | if (!h) { | |
3421 | vty_out(vty, "No RFAPI instance\n"); | |
3422 | return CMD_WARNING_CONFIG_FAILED; | |
3423 | } | |
3424 | ||
3425 | /* | |
3426 | * Iterate over all import tables; do a filtered import | |
3427 | * for the afi/safi combination | |
3428 | */ | |
3429 | ||
3430 | ||
3431 | for (it = h->imports; it; it = it->next) { | |
3432 | s = ecommunity_ecom2str(it->rt_import_list, | |
3433 | ECOMMUNITY_FORMAT_ROUTE_MAP, 0); | |
3434 | vty_out(vty, "Import Table %p, RTs: %s\n", it, s); | |
3435 | XFREE(MTYPE_ECOMMUNITY_STR, s); | |
3436 | ||
3437 | rfapiShowImportTable(vty, "IP VPN", it->imported_vpn[AFI_IP], | |
3438 | 1); | |
3439 | rfapiShowImportTable(vty, "IP ENCAP", | |
3440 | it->imported_encap[AFI_IP], 0); | |
3441 | rfapiShowImportTable(vty, "IP6 VPN", it->imported_vpn[AFI_IP6], | |
3442 | 1); | |
3443 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3444 | it->imported_encap[AFI_IP6], 0); | |
3445 | } | |
3446 | ||
3447 | if (h->import_mac) { | |
3448 | void *cursor = NULL; | |
3449 | uint32_t lni; | |
3450 | uintptr_t lni_as_ptr; | |
3451 | int rc; | |
3452 | char buf[BUFSIZ]; | |
3453 | ||
3454 | for (rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3455 | (void **)&it, &cursor); | |
3456 | !rc; | |
3457 | rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, | |
3458 | (void **)&it, &cursor)) { | |
3459 | ||
3460 | if (it->imported_vpn[AFI_L2VPN]) { | |
3461 | lni = lni_as_ptr; | |
3462 | if (first_l2) { | |
3463 | vty_out(vty, | |
3464 | "\nLNI-based Ethernet Tables:\n"); | |
3465 | first_l2 = 0; | |
3466 | } | |
4ced1a2c | 3467 | snprintf(buf, sizeof(buf), "L2VPN LNI=%u", lni); |
d62a17ae | 3468 | rfapiShowImportTable( |
3469 | vty, buf, it->imported_vpn[AFI_L2VPN], | |
3470 | 1); | |
3471 | } | |
3472 | } | |
3473 | } | |
3474 | ||
3475 | rfapiShowImportTable(vty, "CE IT - IP VPN", | |
3476 | h->it_ce->imported_vpn[AFI_IP], 1); | |
3477 | ||
3478 | return CMD_SUCCESS; | |
65efcfce LB |
3479 | } |
3480 | ||
3481 | DEFUN (debug_rfapi_show_import_vn_un, | |
3482 | debug_rfapi_show_import_vn_un_cmd, | |
034d2de2 | 3483 | "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 |
3484 | DEBUG_STR |
3485 | DEBUG_RFAPI_STR | |
3486 | SHOW_STR | |
3487 | "import\n" | |
3488 | "indicate vn addr follows\n" | |
034d2de2 DS |
3489 | "virtual network interface IPv4 address\n" |
3490 | "virtual network interface IPv6 address\n" | |
3491 | "indicate xt addr follows\n" | |
3492 | "underlay network interface IPv4 address\n" | |
3493 | "underlay network interface IPv6 address\n") | |
65efcfce | 3494 | { |
d62a17ae | 3495 | struct rfapi_ip_addr vn; |
3496 | struct rfapi_ip_addr un; | |
3497 | rfapi_handle handle; | |
3498 | int rc; | |
3499 | struct rfapi_descriptor *rfd; | |
3500 | ||
3501 | /* | |
3502 | * Get VN addr | |
3503 | */ | |
3504 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) | |
3505 | return rc; | |
3506 | ||
3507 | ||
3508 | /* | |
3509 | * Get UN addr | |
3510 | */ | |
3511 | if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) | |
3512 | return rc; | |
3513 | ||
3514 | ||
3515 | if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { | |
3516 | vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", | |
3517 | argv[5]->arg, argv[7]->arg); | |
3518 | return CMD_WARNING_CONFIG_FAILED; | |
3519 | } | |
3520 | ||
3521 | rfd = (struct rfapi_descriptor *)handle; | |
3522 | ||
3523 | rfapiShowImportTable(vty, "IP VPN", | |
3524 | rfd->import_table->imported_vpn[AFI_IP], 1); | |
3525 | rfapiShowImportTable(vty, "IP ENCAP", | |
3526 | rfd->import_table->imported_encap[AFI_IP], 0); | |
3527 | rfapiShowImportTable(vty, "IP6 VPN", | |
3528 | rfd->import_table->imported_vpn[AFI_IP6], 1); | |
3529 | rfapiShowImportTable(vty, "IP6 ENCAP", | |
3530 | rfd->import_table->imported_encap[AFI_IP6], 0); | |
3531 | ||
3532 | return CMD_SUCCESS; | |
65efcfce LB |
3533 | } |
3534 | ||
3535 | DEFUN (debug_rfapi_response_omit_self, | |
3536 | debug_rfapi_response_omit_self_cmd, | |
034d2de2 | 3537 | "debug rfapi-dev response-omit-self <on|off>", |
65efcfce LB |
3538 | DEBUG_STR |
3539 | DEBUG_RFAPI_STR | |
3540 | "Omit self in RFP responses\n" | |
3541 | "filter out self from responses\n" "leave self in responses\n") | |
3542 | { | |
d62a17ae | 3543 | struct bgp *bgp = bgp_get_default(); |
3544 | ||
3545 | if (!bgp) { | |
3546 | vty_out(vty, "No BGP process is configured\n"); | |
3547 | return CMD_WARNING_CONFIG_FAILED; | |
3548 | } | |
3549 | if (!bgp->rfapi_cfg) { | |
3550 | vty_out(vty, "VNC not configured\n"); | |
3551 | return CMD_WARNING_CONFIG_FAILED; | |
3552 | } | |
3553 | ||
3554 | if (strmatch(argv[3]->text, "on")) | |
3555 | SET_FLAG(bgp->rfapi_cfg->flags, | |
3556 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3557 | else | |
3558 | UNSET_FLAG(bgp->rfapi_cfg->flags, | |
3559 | BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); | |
3560 | ||
3561 | return CMD_SUCCESS; | |
65efcfce LB |
3562 | } |
3563 | ||
3564 | ||
3565 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
3566 | ||
f8b6f499 | 3567 | #include "lib/skiplist.h" |
65efcfce LB |
3568 | DEFUN (skiplist_test_cli, |
3569 | skiplist_test_cli_cmd, | |
3570 | "skiplist test", | |
3571 | "skiplist command\n" | |
3572 | "test\n") | |
3573 | { | |
d62a17ae | 3574 | skiplist_test(vty); |
65efcfce | 3575 | |
d62a17ae | 3576 | return CMD_SUCCESS; |
65efcfce LB |
3577 | } |
3578 | ||
3579 | DEFUN (skiplist_debug_cli, | |
3580 | skiplist_debug_cli_cmd, | |
3581 | "skiplist debug", | |
3582 | "skiplist command\n" | |
3583 | "debug\n") | |
3584 | { | |
d62a17ae | 3585 | skiplist_debug(vty, NULL); |
3586 | return CMD_SUCCESS; | |
65efcfce LB |
3587 | } |
3588 | ||
3589 | #endif /* RFAPI_DEBUG_SKIPLIST_CLI */ | |
3590 | ||
d62a17ae | 3591 | void rfapi_init(void) |
65efcfce | 3592 | { |
d62a17ae | 3593 | bgp_rfapi_cfg_init(); |
3594 | vnc_debug_init(); | |
65efcfce | 3595 | |
d62a17ae | 3596 | install_element(ENABLE_NODE, &debug_rfapi_show_import_cmd); |
3597 | install_element(ENABLE_NODE, &debug_rfapi_show_import_vn_un_cmd); | |
65efcfce | 3598 | |
d62a17ae | 3599 | install_element(ENABLE_NODE, &debug_rfapi_open_cmd); |
3600 | install_element(ENABLE_NODE, &debug_rfapi_close_vn_un_cmd); | |
3601 | install_element(ENABLE_NODE, &debug_rfapi_close_rfd_cmd); | |
3602 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_cmd); | |
3603 | install_element(ENABLE_NODE, &debug_rfapi_unregister_vn_un_cmd); | |
3604 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_cmd); | |
3605 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_done_cmd); | |
3606 | install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_l2o_cmd); | |
65efcfce | 3607 | |
d62a17ae | 3608 | install_element(ENABLE_NODE, &debug_rfapi_response_omit_self_cmd); |
65efcfce | 3609 | |
d62a17ae | 3610 | /* Need the following show commands for gpz test scripts */ |
3611 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_cmd); | |
3612 | install_element(ENABLE_NODE, &debug_rfapi_show_nves_vn_un_cmd); | |
3613 | install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_l2o_cmd); | |
65efcfce LB |
3614 | |
3615 | #ifdef RFAPI_DEBUG_SKIPLIST_CLI | |
d62a17ae | 3616 | install_element(ENABLE_NODE, &skiplist_test_cli_cmd); |
3617 | install_element(ENABLE_NODE, &skiplist_debug_cli_cmd); | |
65efcfce LB |
3618 | #endif |
3619 | ||
d62a17ae | 3620 | rfapi_vty_init(); |
65efcfce LB |
3621 | } |
3622 | ||
3623 | #ifdef DEBUG_RFAPI | |
d62a17ae | 3624 | static void rfapi_print_exported(struct bgp *bgp) |
65efcfce | 3625 | { |
9bcb3eef DS |
3626 | struct bgp_dest *destn; |
3627 | struct bgp_dest *dest; | |
40381db7 | 3628 | struct bgp_path_info *bpi; |
d62a17ae | 3629 | |
3630 | if (!bgp) | |
3631 | return; | |
3632 | ||
9bcb3eef DS |
3633 | for (destn = bgp_table_top(bgp->rib[AFI_IP][SAFI_MPLS_VPN]); destn; |
3634 | destn = bgp_route_next(destn)) { | |
67009e22 DS |
3635 | struct bgp_table *table; |
3636 | ||
9bcb3eef | 3637 | table = bgp_dest_get_bgp_table_info(destn); |
67009e22 | 3638 | if (!table) |
d62a17ae | 3639 | continue; |
9bcb3eef DS |
3640 | fprintf(stderr, "%s: vpn destn=%p\n", __func__, destn); |
3641 | for (dest = bgp_table_top(table); dest; | |
3642 | dest = bgp_route_next(dest)) { | |
3643 | bpi = bgp_dest_get_bgp_path_info(dest); | |
6f94b685 DS |
3644 | |
3645 | if (!bpi) | |
d62a17ae | 3646 | continue; |
9bcb3eef | 3647 | fprintf(stderr, "%s: dest=%p\n", __func__, dest); |
6f94b685 | 3648 | for (; bpi; bpi = bpi->next) { |
40381db7 | 3649 | rfapiPrintBi((void *)2, bpi); /* 2 => stderr */ |
d62a17ae | 3650 | } |
3651 | } | |
3652 | } | |
9bcb3eef DS |
3653 | for (destn = bgp_table_top(bgp->rib[AFI_IP][SAFI_ENCAP]); destn; |
3654 | destn = bgp_route_next(destn)) { | |
67009e22 DS |
3655 | struct bgp_table *table; |
3656 | ||
9bcb3eef | 3657 | table = bgp_dest_get_bgp_table_info(destn); |
67009e22 | 3658 | if (!table) |
d62a17ae | 3659 | continue; |
9bcb3eef | 3660 | fprintf(stderr, "%s: encap destn=%p\n", __func__, destn); |
841d18ab DS |
3661 | for (dest = bgp_table_top(table); dest; |
3662 | dest = bgp_route_next(dest)) { | |
3663 | bpi = bgp_dest_get_bgp_path_info(dest); | |
3664 | if (!bpi) | |
3665 | continue; | |
3666 | fprintf(stderr, "%s: dest=%p\n", __func__, dest); | |
3667 | for (; bpi; bpi = bpi->next) { | |
3668 | rfapiPrintBi((void *)2, bpi); /* 2 => stderr */ | |
3669 | } | |
3670 | } | |
d62a17ae | 3671 | } |
65efcfce LB |
3672 | } |
3673 | #endif /* defined(DEBUG_RFAPI) */ | |
3674 | ||
3675 | /* | |
3676 | * Free all memory to prepare for clean exit as seen by valgrind memcheck | |
3677 | */ | |
d62a17ae | 3678 | void rfapi_delete(struct bgp *bgp) |
65efcfce | 3679 | { |
d62a17ae | 3680 | extern void rfp_clear_vnc_nve_all(void); /* can't fix correctly yet */ |
3681 | ||
c6a18e91 PZ |
3682 | #if DEBUG_CLEANUP |
3683 | zlog_debug("%s: bgp %p", __func__, bgp); | |
3684 | #endif | |
3685 | ||
d62a17ae | 3686 | /* |
3687 | * This clears queries and registered routes, and closes nves | |
3688 | */ | |
3689 | if (bgp->rfapi) | |
3690 | rfp_clear_vnc_nve_all(); | |
c6a18e91 PZ |
3691 | |
3692 | /* | |
3693 | * close any remaining descriptors | |
3694 | */ | |
3695 | struct rfapi *h = bgp->rfapi; | |
3696 | ||
3697 | if (h && h->descriptors.count) { | |
3698 | struct listnode *node, *nnode; | |
3699 | struct rfapi_descriptor *rfd; | |
3700 | #if DEBUG_CLEANUP | |
3701 | zlog_debug("%s: descriptor count %u", __func__, | |
3702 | h->descriptors.count); | |
3703 | #endif | |
3704 | for (ALL_LIST_ELEMENTS(&h->descriptors, node, nnode, rfd)) { | |
3705 | #if DEBUG_CLEANUP | |
3706 | zlog_debug("%s: closing rfd %p", __func__, rfd); | |
3707 | #endif | |
3708 | (void)rfapi_close(rfd); | |
3709 | } | |
3710 | } | |
3711 | ||
d62a17ae | 3712 | bgp_rfapi_cfg_destroy(bgp, bgp->rfapi_cfg); |
3713 | bgp->rfapi_cfg = NULL; | |
3714 | bgp_rfapi_destroy(bgp, bgp->rfapi); | |
3715 | bgp->rfapi = NULL; | |
65efcfce | 3716 | #ifdef DEBUG_RFAPI |
d62a17ae | 3717 | /* |
3718 | * show what's left in the BGP MPLSVPN RIB | |
3719 | */ | |
3720 | rfapi_print_exported(bgp); | |
65efcfce | 3721 | #endif |
65efcfce LB |
3722 | } |
3723 | ||
d62a17ae | 3724 | int rfapi_set_autord_from_vn(struct prefix_rd *rd, struct rfapi_ip_addr *vn) |
65efcfce | 3725 | { |
d62a17ae | 3726 | vnc_zlog_debug_verbose("%s: auto-assigning RD", __func__); |
3727 | if (vn->addr_family != AF_INET && vn->addr_family != AF_INET6) { | |
3728 | vnc_zlog_debug_verbose( | |
3efd0893 | 3729 | "%s: can't auto-assign RD, VN addr family is not IPv4|v6", |
d62a17ae | 3730 | __func__); |
3731 | return EAFNOSUPPORT; | |
3732 | } | |
3733 | rd->family = AF_UNSPEC; | |
3734 | rd->prefixlen = 64; | |
3735 | rd->val[1] = RD_TYPE_IP; | |
3736 | if (vn->addr_family == AF_INET) { | |
3737 | memcpy(rd->val + 2, &vn->addr.v4.s_addr, 4); | |
3738 | } else { /* is v6 */ | |
3739 | memcpy(rd->val + 2, &vn->addr.v6.s6_addr32[3], | |
3740 | 4); /* low order 4 bytes */ | |
3741 | } | |
4a8cd6ad | 3742 | vnc_zlog_debug_verbose("%s: auto-RD is set to %pRDP", __func__, rd); |
d62a17ae | 3743 | return 0; |
65efcfce LB |
3744 | } |
3745 | ||
3746 | /*------------------------------------------ | |
3747 | * rfapi_bgp_lookup_by_rfp | |
3748 | * | |
3749 | * Find bgp instance pointer based on value returned by rfp_start | |
3750 | * | |
d62a17ae | 3751 | * input: |
65efcfce LB |
3752 | * rfp_start_val value returned by rfp_startor |
3753 | * NULL (=get default instance) | |
3754 | * | |
3755 | * output: | |
3756 | * none | |
3757 | * | |
3758 | * return value: | |
3759 | * bgp bgp instance pointer | |
3760 | * NULL = not found | |
3761 | * | |
3762 | --------------------------------------------*/ | |
d62a17ae | 3763 | struct bgp *rfapi_bgp_lookup_by_rfp(void *rfp_start_val) |
65efcfce | 3764 | { |
d62a17ae | 3765 | struct bgp *bgp = NULL; |
3766 | struct listnode *node, *nnode; | |
3767 | ||
3768 | if (rfp_start_val == NULL) | |
3769 | bgp = bgp_get_default(); | |
3770 | else | |
3771 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) | |
3772 | if (bgp->rfapi != NULL | |
3773 | && bgp->rfapi->rfp == rfp_start_val) | |
3774 | return bgp; | |
3775 | return bgp; | |
65efcfce LB |
3776 | } |
3777 | ||
3778 | /*------------------------------------------ | |
3779 | * rfapi_get_rfp_start_val_by_bgp | |
3780 | * | |
3781 | * Find bgp instance pointer based on value returned by rfp_start | |
3782 | * | |
d62a17ae | 3783 | * input: |
65efcfce LB |
3784 | * bgp bgp instance pointer |
3785 | * | |
3786 | * output: | |
3787 | * none | |
3788 | * | |
3789 | * return value: | |
3790 | * rfp_start_val | |
3791 | * NULL = not found | |
3792 | * | |
3793 | --------------------------------------------*/ | |
d62a17ae | 3794 | void *rfapi_get_rfp_start_val_by_bgp(struct bgp *bgp) |
65efcfce | 3795 | { |
d62a17ae | 3796 | if (!bgp || !bgp->rfapi) |
3797 | return NULL; | |
3798 | return bgp->rfapi->rfp; | |
65efcfce LB |
3799 | } |
3800 | ||
3801 | /*********************************************************************** | |
3802 | * RFP group specific configuration | |
3803 | ***********************************************************************/ | |
d62a17ae | 3804 | static void *rfapi_rfp_get_or_init_group_config_default(struct rfapi_cfg *rfc, |
3805 | struct vty *vty, | |
3806 | uint32_t size) | |
65efcfce | 3807 | { |
d62a17ae | 3808 | if (rfc->default_rfp_cfg == NULL && size > 0) { |
3809 | rfc->default_rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3810 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3811 | size); | |
3812 | } | |
3813 | return rfc->default_rfp_cfg; | |
65efcfce LB |
3814 | } |
3815 | ||
d62a17ae | 3816 | static void *rfapi_rfp_get_or_init_group_config_nve(struct rfapi_cfg *rfc, |
3817 | struct vty *vty, | |
3818 | uint32_t size) | |
65efcfce | 3819 | { |
d62a17ae | 3820 | struct rfapi_nve_group_cfg *rfg = |
3821 | VTY_GET_CONTEXT_SUB(rfapi_nve_group_cfg); | |
3822 | ||
3823 | /* make sure group is still in list */ | |
3824 | if (!rfg || !listnode_lookup(rfc->nve_groups_sequential, rfg)) { | |
3825 | /* Not in list anymore */ | |
3826 | vty_out(vty, "Current NVE group no longer exists\n"); | |
3827 | return NULL; | |
3828 | } | |
3829 | ||
3830 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3831 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3832 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3833 | size); | |
3834 | } | |
3835 | return rfg->rfp_cfg; | |
65efcfce LB |
3836 | } |
3837 | ||
d62a17ae | 3838 | static void *rfapi_rfp_get_or_init_group_config_l2(struct rfapi_cfg *rfc, |
3839 | struct vty *vty, | |
3840 | uint32_t size) | |
65efcfce | 3841 | { |
d62a17ae | 3842 | struct rfapi_l2_group_cfg *rfg = |
3843 | VTY_GET_CONTEXT_SUB(rfapi_l2_group_cfg); | |
3844 | ||
3845 | /* make sure group is still in list */ | |
3846 | if (!rfg || !listnode_lookup(rfc->l2_groups, rfg)) { | |
3847 | /* Not in list anymore */ | |
3848 | vty_out(vty, "Current L2 group no longer exists\n"); | |
3849 | return NULL; | |
3850 | } | |
3851 | if (rfg->rfp_cfg == NULL && size > 0) { | |
3852 | rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); | |
3853 | vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, | |
3854 | size); | |
3855 | } | |
3856 | return rfg->rfp_cfg; | |
65efcfce LB |
3857 | } |
3858 | ||
3859 | /*------------------------------------------ | |
3860 | * rfapi_rfp_init_group_config_ptr_vty | |
3861 | * | |
3862 | * This is used to init or return a previously init'ed group specific | |
d62a17ae | 3863 | * configuration pointer. Group is identified by vty context. |
65efcfce LB |
3864 | * NOTE: size is ignored when a previously init'ed value is returned. |
3865 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
3866 | * bgp restart or shutdown. | |
3867 | * | |
d62a17ae | 3868 | * input: |
65efcfce LB |
3869 | * rfp_start_val value returned by rfp_start |
3870 | * type group type | |
3871 | * vty quagga vty context | |
3872 | * size number of bytes to allocation | |
3873 | * | |
3874 | * output: | |
3875 | * none | |
3876 | * | |
d62a17ae | 3877 | * return value: |
65efcfce LB |
3878 | * rfp_cfg_group NULL or Pointer to configuration structure |
3879 | --------------------------------------------*/ | |
d62a17ae | 3880 | void *rfapi_rfp_init_group_config_ptr_vty(void *rfp_start_val, |
3881 | rfapi_rfp_cfg_group_type type, | |
3882 | struct vty *vty, uint32_t size) | |
65efcfce | 3883 | { |
d62a17ae | 3884 | struct bgp *bgp; |
3885 | void *ret = NULL; | |
3886 | ||
3887 | if (rfp_start_val == NULL || vty == NULL) | |
3888 | return NULL; | |
3889 | ||
3890 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
3891 | if (!bgp || !bgp->rfapi_cfg) | |
3892 | return NULL; | |
3893 | ||
3894 | switch (type) { | |
3895 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
3896 | ret = rfapi_rfp_get_or_init_group_config_default(bgp->rfapi_cfg, | |
3897 | vty, size); | |
3898 | break; | |
3899 | case RFAPI_RFP_CFG_GROUP_NVE: | |
3900 | ret = rfapi_rfp_get_or_init_group_config_nve(bgp->rfapi_cfg, | |
3901 | vty, size); | |
3902 | break; | |
3903 | case RFAPI_RFP_CFG_GROUP_L2: | |
3904 | ret = rfapi_rfp_get_or_init_group_config_l2(bgp->rfapi_cfg, vty, | |
3905 | size); | |
3906 | break; | |
3907 | default: | |
450971aa | 3908 | flog_err(EC_LIB_DEVELOPMENT, "%s: Unknown group type=%d", |
1c50c1c0 | 3909 | __func__, type); |
d62a17ae | 3910 | /* should never happen */ |
3911 | assert("Unknown type" == NULL); | |
3912 | break; | |
3913 | } | |
3914 | return ret; | |
65efcfce LB |
3915 | } |
3916 | ||
3917 | /*------------------------------------------ | |
3918 | * rfapi_rfp_get_group_config_ptr_vty | |
3919 | * | |
3920 | * This is used to get group specific configuration pointer. | |
3921 | * Group is identified by type and vty context. | |
3922 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
d62a17ae | 3923 | * bgp restart or shutdown. |
65efcfce | 3924 | * |
d62a17ae | 3925 | * input: |
65efcfce LB |
3926 | * rfp_start_val value returned by rfp_start |
3927 | * type group type | |
3928 | * vty quagga vty context | |
3929 | * | |
3930 | * output: | |
3931 | * none | |
3932 | * | |
3933 | * return value: | |
d62a17ae | 3934 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 3935 | --------------------------------------------*/ |
d62a17ae | 3936 | void *rfapi_rfp_get_group_config_ptr_vty(void *rfp_start_val, |
3937 | rfapi_rfp_cfg_group_type type, | |
3938 | struct vty *vty) | |
65efcfce | 3939 | { |
d62a17ae | 3940 | return rfapi_rfp_init_group_config_ptr_vty(rfp_start_val, type, vty, 0); |
65efcfce LB |
3941 | } |
3942 | ||
3943 | static void * | |
d62a17ae | 3944 | rfapi_rfp_get_group_config_name_nve(struct rfapi_cfg *rfc, const char *name, |
3945 | void *criteria, | |
3946 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3947 | { |
d62a17ae | 3948 | struct rfapi_nve_group_cfg *rfg; |
3949 | struct listnode *node; | |
3950 | ||
3951 | for (ALL_LIST_ELEMENTS_RO(rfc->nve_groups_sequential, node, rfg)) { | |
3952 | if (!strcmp(rfg->name, name) && /* name match */ | |
3953 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3954 | return rfg->rfp_cfg; | |
3955 | } | |
3956 | return NULL; | |
65efcfce LB |
3957 | } |
3958 | ||
3959 | static void * | |
d62a17ae | 3960 | rfapi_rfp_get_group_config_name_l2(struct rfapi_cfg *rfc, const char *name, |
3961 | void *criteria, | |
3962 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3963 | { |
d62a17ae | 3964 | struct rfapi_l2_group_cfg *rfg; |
3965 | struct listnode *node; | |
3966 | ||
3967 | for (ALL_LIST_ELEMENTS_RO(rfc->l2_groups, node, rfg)) { | |
3968 | if (!strcmp(rfg->name, name) && /* name match */ | |
3969 | (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) | |
3970 | return rfg->rfp_cfg; | |
3971 | } | |
3972 | return NULL; | |
65efcfce LB |
3973 | } |
3974 | ||
3975 | /*------------------------------------------ | |
3976 | * rfapi_rfp_get_group_config_ptr_name | |
3977 | * | |
3978 | * This is used to get group specific configuration pointer. | |
d62a17ae | 3979 | * Group is identified by type and name context. |
65efcfce LB |
3980 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, |
3981 | * bgp restart or shutdown. | |
3982 | * | |
d62a17ae | 3983 | * input: |
65efcfce LB |
3984 | * rfp_start_val value returned by rfp_start |
3985 | * type group type | |
3986 | * name group name | |
d534b16a | 3987 | * criteria RFAPI caller provided search criteria |
65efcfce LB |
3988 | * search_cb optional rfp_group_config_search_cb_t |
3989 | * | |
3990 | * output: | |
3991 | * none | |
3992 | * | |
3993 | * return value: | |
d62a17ae | 3994 | * rfp_cfg_group Pointer to configuration structure |
65efcfce | 3995 | --------------------------------------------*/ |
d62a17ae | 3996 | void *rfapi_rfp_get_group_config_ptr_name( |
3997 | void *rfp_start_val, rfapi_rfp_cfg_group_type type, const char *name, | |
3998 | void *criteria, rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 3999 | { |
d62a17ae | 4000 | struct bgp *bgp; |
4001 | void *ret = NULL; | |
4002 | ||
4003 | if (rfp_start_val == NULL || name == NULL) | |
4004 | return NULL; | |
4005 | ||
4006 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
4007 | if (!bgp || !bgp->rfapi_cfg) | |
4008 | return NULL; | |
4009 | ||
4010 | switch (type) { | |
4011 | case RFAPI_RFP_CFG_GROUP_DEFAULT: | |
4012 | ret = bgp->rfapi_cfg->default_rfp_cfg; | |
4013 | break; | |
4014 | case RFAPI_RFP_CFG_GROUP_NVE: | |
4015 | ret = rfapi_rfp_get_group_config_name_nve(bgp->rfapi_cfg, name, | |
4016 | criteria, search_cb); | |
4017 | break; | |
4018 | case RFAPI_RFP_CFG_GROUP_L2: | |
4019 | ret = rfapi_rfp_get_group_config_name_l2(bgp->rfapi_cfg, name, | |
4020 | criteria, search_cb); | |
4021 | break; | |
4022 | default: | |
450971aa | 4023 | flog_err(EC_LIB_DEVELOPMENT, "%s: Unknown group type=%d", |
1c50c1c0 | 4024 | __func__, type); |
d62a17ae | 4025 | /* should never happen */ |
4026 | assert("Unknown type" == NULL); | |
4027 | break; | |
4028 | } | |
4029 | return ret; | |
65efcfce LB |
4030 | } |
4031 | ||
4032 | /*------------------------------------------ | |
4033 | * rfapi_rfp_get_l2_group_config_ptr_lni | |
4034 | * | |
4035 | * This is used to get group specific configuration pointer. | |
4036 | * Group is identified by type and logical network identifier. | |
4037 | * RFAPI frees rfp_cfg_group when group is deleted during reconfig, | |
4038 | * bgp restart or shutdown. | |
4039 | * | |
d62a17ae | 4040 | * input: |
65efcfce LB |
4041 | * rfp_start_val value returned by rfp_start |
4042 | * type group type | |
4043 | * logical_net_id group logical network identifier | |
d534b16a | 4044 | * criteria RFAPI caller provided search criteria |
65efcfce LB |
4045 | * search_cb optional rfp_group_config_search_cb_t |
4046 | * | |
4047 | * output: | |
4048 | * none | |
4049 | * | |
4050 | * return value: | |
d62a17ae | 4051 | * rfp_cfg_group Pointer to configuration structure |
65efcfce LB |
4052 | --------------------------------------------*/ |
4053 | void * | |
d62a17ae | 4054 | rfapi_rfp_get_l2_group_config_ptr_lni(void *rfp_start_val, |
4055 | uint32_t logical_net_id, void *criteria, | |
4056 | rfp_group_config_search_cb_t *search_cb) | |
65efcfce | 4057 | { |
d62a17ae | 4058 | struct bgp *bgp; |
4059 | struct rfapi_l2_group_cfg *rfg; | |
4060 | struct listnode *node; | |
4061 | ||
4062 | if (rfp_start_val == NULL) | |
4063 | return NULL; | |
4064 | ||
4065 | bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); | |
4066 | if (!bgp || !bgp->rfapi_cfg) | |
4067 | return NULL; | |
4068 | ||
4069 | for (ALL_LIST_ELEMENTS_RO(bgp->rfapi_cfg->l2_groups, node, rfg)) { | |
4070 | if (rfg->logical_net_id == logical_net_id | |
4071 | && (search_cb == NULL | |
4072 | || !search_cb(criteria, rfg->rfp_cfg))) { | |
4073 | if (rfg->rfp_cfg == NULL) | |
4074 | vnc_zlog_debug_verbose( | |
4075 | "%s: returning rfp group config for lni=0", | |
4076 | __func__); | |
4077 | return rfg->rfp_cfg; | |
4078 | } | |
4079 | } | |
4080 | return NULL; | |
65efcfce | 4081 | } |