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Commit | Line | Data |
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718e3744 | 1 | /* BGP nexthop scan |
2 | Copyright (C) 2000 Kunihiro Ishiguro | |
3 | ||
4 | This file is part of GNU Zebra. | |
5 | ||
6 | GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by the | |
8 | Free Software Foundation; either version 2, or (at your option) any | |
9 | later version. | |
10 | ||
11 | GNU Zebra is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "command.h" | |
24 | #include "thread.h" | |
25 | #include "prefix.h" | |
26 | #include "zclient.h" | |
27 | #include "stream.h" | |
28 | #include "network.h" | |
29 | #include "log.h" | |
30 | #include "memory.h" | |
10f9bf3f JBD |
31 | #include "hash.h" |
32 | #include "jhash.h" | |
fb018d25 | 33 | #include "nexthop.h" |
3f9c7369 | 34 | #include "queue.h" |
039f3a34 | 35 | #include "filter.h" |
718e3744 | 36 | |
37 | #include "bgpd/bgpd.h" | |
38 | #include "bgpd/bgp_table.h" | |
39 | #include "bgpd/bgp_route.h" | |
40 | #include "bgpd/bgp_attr.h" | |
41 | #include "bgpd/bgp_nexthop.h" | |
fb018d25 | 42 | #include "bgpd/bgp_nht.h" |
718e3744 | 43 | #include "bgpd/bgp_debug.h" |
44 | #include "bgpd/bgp_damp.h" | |
8ffedcea | 45 | #include "bgpd/bgp_fsm.h" |
8386ac43 | 46 | #include "bgpd/bgp_vty.h" |
718e3744 | 47 | #include "zebra/rib.h" |
48 | #include "zebra/zserv.h" /* For ZEBRA_SERV_PATH. */ | |
49 | ||
fb018d25 | 50 | |
718e3744 | 51 | |
fb018d25 DS |
52 | char * |
53 | bnc_str (struct bgp_nexthop_cache *bnc, char *buf, int size) | |
54 | { | |
55 | prefix2str(&(bnc->node->p), buf, size); | |
56 | return buf; | |
57 | } | |
58 | ||
fb018d25 | 59 | void |
718e3744 | 60 | bnc_nexthop_free (struct bgp_nexthop_cache *bnc) |
61 | { | |
62 | struct nexthop *nexthop; | |
63 | struct nexthop *next = NULL; | |
64 | ||
65 | for (nexthop = bnc->nexthop; nexthop; nexthop = next) | |
66 | { | |
67 | next = nexthop->next; | |
68 | XFREE (MTYPE_NEXTHOP, nexthop); | |
69 | } | |
70 | } | |
71 | ||
fb018d25 | 72 | struct bgp_nexthop_cache * |
ffd0c037 | 73 | bnc_new (void) |
718e3744 | 74 | { |
fb018d25 DS |
75 | struct bgp_nexthop_cache *bnc; |
76 | ||
77 | bnc = XCALLOC (MTYPE_BGP_NEXTHOP_CACHE, sizeof (struct bgp_nexthop_cache)); | |
78 | LIST_INIT(&(bnc->paths)); | |
79 | return bnc; | |
718e3744 | 80 | } |
81 | ||
fb018d25 | 82 | void |
718e3744 | 83 | bnc_free (struct bgp_nexthop_cache *bnc) |
84 | { | |
85 | bnc_nexthop_free (bnc); | |
86 | XFREE (MTYPE_BGP_NEXTHOP_CACHE, bnc); | |
87 | } | |
6b0655a2 | 88 | |
718e3744 | 89 | /* Reset and free all BGP nexthop cache. */ |
94f2b392 | 90 | static void |
718e3744 | 91 | bgp_nexthop_cache_reset (struct bgp_table *table) |
92 | { | |
93 | struct bgp_node *rn; | |
94 | struct bgp_nexthop_cache *bnc; | |
95 | ||
96 | for (rn = bgp_table_top (table); rn; rn = bgp_route_next (rn)) | |
97 | if ((bnc = rn->info) != NULL) | |
98 | { | |
99 | bnc_free (bnc); | |
100 | rn->info = NULL; | |
101 | bgp_unlock_node (rn); | |
102 | } | |
103 | } | |
104 | ||
10f9bf3f JBD |
105 | /* BGP own address structure */ |
106 | struct bgp_addr | |
107 | { | |
108 | struct in_addr addr; | |
109 | int refcnt; | |
110 | }; | |
111 | ||
10f9bf3f JBD |
112 | static void * |
113 | bgp_address_hash_alloc (void *p) | |
114 | { | |
ffd0c037 | 115 | const struct in_addr *val = (const struct in_addr *)p; |
10f9bf3f JBD |
116 | struct bgp_addr *addr; |
117 | ||
118 | addr = XMALLOC (MTYPE_BGP_ADDR, sizeof (struct bgp_addr)); | |
119 | addr->refcnt = 0; | |
120 | addr->addr.s_addr = val->s_addr; | |
121 | ||
122 | return addr; | |
123 | } | |
124 | ||
125 | static unsigned int | |
126 | bgp_address_hash_key_make (void *p) | |
127 | { | |
128 | const struct bgp_addr *addr = p; | |
129 | ||
130 | return jhash_1word(addr->addr.s_addr, 0); | |
131 | } | |
132 | ||
133 | static int | |
134 | bgp_address_hash_cmp (const void *p1, const void *p2) | |
135 | { | |
136 | const struct bgp_addr *addr1 = p1; | |
137 | const struct bgp_addr *addr2 = p2; | |
138 | ||
139 | return addr1->addr.s_addr == addr2->addr.s_addr; | |
140 | } | |
141 | ||
142 | void | |
6aeb9e78 | 143 | bgp_address_init (struct bgp *bgp) |
10f9bf3f | 144 | { |
6aeb9e78 | 145 | bgp->address_hash = hash_create (bgp_address_hash_key_make, |
10f9bf3f JBD |
146 | bgp_address_hash_cmp); |
147 | } | |
148 | ||
bb86c601 LB |
149 | void |
150 | bgp_address_destroy (struct bgp *bgp) | |
151 | { | |
005b6bc0 LB |
152 | if (bgp->address_hash == NULL) |
153 | return; | |
bb86c601 LB |
154 | hash_clean(bgp->address_hash, NULL); |
155 | hash_free(bgp->address_hash); | |
156 | bgp->address_hash = NULL; | |
157 | } | |
158 | ||
10f9bf3f | 159 | static void |
6aeb9e78 | 160 | bgp_address_add (struct bgp *bgp, struct prefix *p) |
10f9bf3f JBD |
161 | { |
162 | struct bgp_addr tmp; | |
163 | struct bgp_addr *addr; | |
164 | ||
165 | tmp.addr = p->u.prefix4; | |
166 | ||
6aeb9e78 | 167 | addr = hash_get (bgp->address_hash, &tmp, bgp_address_hash_alloc); |
5ce10e92 DS |
168 | if (!addr) |
169 | return; | |
170 | ||
10f9bf3f JBD |
171 | addr->refcnt++; |
172 | } | |
173 | ||
174 | static void | |
6aeb9e78 | 175 | bgp_address_del (struct bgp *bgp, struct prefix *p) |
10f9bf3f JBD |
176 | { |
177 | struct bgp_addr tmp; | |
178 | struct bgp_addr *addr; | |
179 | ||
180 | tmp.addr = p->u.prefix4; | |
181 | ||
6aeb9e78 | 182 | addr = hash_lookup (bgp->address_hash, &tmp); |
9e47abd8 RG |
183 | /* may have been deleted earlier by bgp_interface_down() */ |
184 | if (addr == NULL) | |
185 | return; | |
186 | ||
10f9bf3f JBD |
187 | addr->refcnt--; |
188 | ||
189 | if (addr->refcnt == 0) | |
190 | { | |
6aeb9e78 | 191 | hash_release (bgp->address_hash, addr); |
10f9bf3f JBD |
192 | XFREE (MTYPE_BGP_ADDR, addr); |
193 | } | |
194 | } | |
195 | ||
6b0655a2 | 196 | |
5932020b | 197 | struct bgp_connected_ref |
718e3744 | 198 | { |
199 | unsigned int refcnt; | |
200 | }; | |
201 | ||
202 | void | |
6aeb9e78 | 203 | bgp_connected_add (struct bgp *bgp, struct connected *ifc) |
718e3744 | 204 | { |
205 | struct prefix p; | |
206 | struct prefix *addr; | |
718e3744 | 207 | struct bgp_node *rn; |
5932020b | 208 | struct bgp_connected_ref *bc; |
6aeb9e78 | 209 | struct listnode *node, *nnode; |
8ffedcea | 210 | struct peer *peer; |
718e3744 | 211 | |
718e3744 | 212 | addr = ifc->address; |
718e3744 | 213 | |
4608cb43 | 214 | p = *(CONNECTED_PREFIX(ifc)); |
718e3744 | 215 | if (addr->family == AF_INET) |
216 | { | |
718e3744 | 217 | apply_mask_ipv4 ((struct prefix_ipv4 *) &p); |
218 | ||
219 | if (prefix_ipv4_any ((struct prefix_ipv4 *) &p)) | |
220 | return; | |
221 | ||
6aeb9e78 | 222 | bgp_address_add (bgp, addr); |
10f9bf3f | 223 | |
6aeb9e78 | 224 | rn = bgp_node_get (bgp->connected_table[AFI_IP], (struct prefix *) &p); |
718e3744 | 225 | if (rn->info) |
226 | { | |
227 | bc = rn->info; | |
228 | bc->refcnt++; | |
229 | } | |
230 | else | |
231 | { | |
6c88b44d | 232 | bc = XCALLOC (MTYPE_BGP_CONN, sizeof (struct bgp_connected_ref)); |
718e3744 | 233 | bc->refcnt = 1; |
234 | rn->info = bc; | |
235 | } | |
8ffedcea | 236 | |
6aeb9e78 DS |
237 | for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer)) |
238 | { | |
239 | if (peer->conf_if && (strcmp (peer->conf_if, ifc->ifp->name) == 0) && | |
e5d1e72d | 240 | peer->status != Established && |
6aeb9e78 DS |
241 | !CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY)) |
242 | { | |
243 | if (peer_active(peer)) | |
244 | BGP_EVENT_ADD (peer, BGP_Stop); | |
245 | BGP_EVENT_ADD (peer, BGP_Start); | |
246 | } | |
247 | } | |
718e3744 | 248 | } |
249 | #ifdef HAVE_IPV6 | |
e4529636 | 250 | else if (addr->family == AF_INET6) |
718e3744 | 251 | { |
718e3744 | 252 | apply_mask_ipv6 ((struct prefix_ipv6 *) &p); |
253 | ||
254 | if (IN6_IS_ADDR_UNSPECIFIED (&p.u.prefix6)) | |
255 | return; | |
256 | ||
257 | if (IN6_IS_ADDR_LINKLOCAL (&p.u.prefix6)) | |
258 | return; | |
259 | ||
6aeb9e78 | 260 | rn = bgp_node_get (bgp->connected_table[AFI_IP6], (struct prefix *) &p); |
718e3744 | 261 | if (rn->info) |
262 | { | |
263 | bc = rn->info; | |
264 | bc->refcnt++; | |
265 | } | |
266 | else | |
267 | { | |
6c88b44d | 268 | bc = XCALLOC (MTYPE_BGP_CONN, sizeof (struct bgp_connected_ref)); |
718e3744 | 269 | bc->refcnt = 1; |
270 | rn->info = bc; | |
271 | } | |
272 | } | |
273 | #endif /* HAVE_IPV6 */ | |
274 | } | |
275 | ||
276 | void | |
6aeb9e78 | 277 | bgp_connected_delete (struct bgp *bgp, struct connected *ifc) |
718e3744 | 278 | { |
279 | struct prefix p; | |
280 | struct prefix *addr; | |
718e3744 | 281 | struct bgp_node *rn; |
5932020b | 282 | struct bgp_connected_ref *bc; |
718e3744 | 283 | |
718e3744 | 284 | addr = ifc->address; |
718e3744 | 285 | |
4608cb43 | 286 | p = *(CONNECTED_PREFIX(ifc)); |
718e3744 | 287 | if (addr->family == AF_INET) |
288 | { | |
718e3744 | 289 | apply_mask_ipv4 ((struct prefix_ipv4 *) &p); |
290 | ||
291 | if (prefix_ipv4_any ((struct prefix_ipv4 *) &p)) | |
292 | return; | |
293 | ||
6aeb9e78 | 294 | bgp_address_del (bgp, addr); |
10f9bf3f | 295 | |
6aeb9e78 | 296 | rn = bgp_node_lookup (bgp->connected_table[AFI_IP], &p); |
718e3744 | 297 | if (! rn) |
298 | return; | |
299 | ||
300 | bc = rn->info; | |
301 | bc->refcnt--; | |
302 | if (bc->refcnt == 0) | |
303 | { | |
6c88b44d | 304 | XFREE (MTYPE_BGP_CONN, bc); |
718e3744 | 305 | rn->info = NULL; |
306 | } | |
307 | bgp_unlock_node (rn); | |
308 | bgp_unlock_node (rn); | |
309 | } | |
310 | #ifdef HAVE_IPV6 | |
311 | else if (addr->family == AF_INET6) | |
312 | { | |
718e3744 | 313 | apply_mask_ipv6 ((struct prefix_ipv6 *) &p); |
314 | ||
315 | if (IN6_IS_ADDR_UNSPECIFIED (&p.u.prefix6)) | |
316 | return; | |
317 | ||
318 | if (IN6_IS_ADDR_LINKLOCAL (&p.u.prefix6)) | |
319 | return; | |
320 | ||
6aeb9e78 | 321 | rn = bgp_node_lookup (bgp->connected_table[AFI_IP6], (struct prefix *) &p); |
718e3744 | 322 | if (! rn) |
323 | return; | |
324 | ||
325 | bc = rn->info; | |
326 | bc->refcnt--; | |
327 | if (bc->refcnt == 0) | |
328 | { | |
6c88b44d | 329 | XFREE (MTYPE_BGP_CONN, bc); |
718e3744 | 330 | rn->info = NULL; |
331 | } | |
332 | bgp_unlock_node (rn); | |
333 | bgp_unlock_node (rn); | |
334 | } | |
335 | #endif /* HAVE_IPV6 */ | |
336 | } | |
337 | ||
338 | int | |
6aeb9e78 | 339 | bgp_nexthop_self (struct bgp *bgp, struct attr *attr) |
718e3744 | 340 | { |
10f9bf3f | 341 | struct bgp_addr tmp, *addr; |
718e3744 | 342 | |
10f9bf3f JBD |
343 | tmp.addr = attr->nexthop; |
344 | ||
6aeb9e78 | 345 | addr = hash_lookup (bgp->address_hash, &tmp); |
10f9bf3f JBD |
346 | if (addr) |
347 | return 1; | |
718e3744 | 348 | |
718e3744 | 349 | return 0; |
350 | } | |
6b0655a2 | 351 | |
718e3744 | 352 | int |
fc9a856f | 353 | bgp_multiaccess_check_v4 (struct in_addr nexthop, struct peer *peer) |
718e3744 | 354 | { |
355 | struct bgp_node *rn1; | |
356 | struct bgp_node *rn2; | |
fc9a856f | 357 | struct prefix p; |
718e3744 | 358 | int ret; |
359 | ||
fc9a856f DS |
360 | p.family = AF_INET; |
361 | p.prefixlen = IPV4_MAX_BITLEN; | |
362 | p.u.prefix4 = nexthop; | |
718e3744 | 363 | |
6aeb9e78 | 364 | rn1 = bgp_node_match (peer->bgp->connected_table[AFI_IP], &p); |
fc9a856f | 365 | if (!rn1) |
718e3744 | 366 | return 0; |
718e3744 | 367 | |
fc9a856f DS |
368 | p.family = AF_INET; |
369 | p.prefixlen = IPV4_MAX_BITLEN; | |
370 | p.u.prefix4 = peer->su.sin.sin_addr; | |
718e3744 | 371 | |
6aeb9e78 | 372 | rn2 = bgp_node_match (peer->bgp->connected_table[AFI_IP], &p); |
fc9a856f | 373 | if (!rn2) |
718e3744 | 374 | { |
fc9a856f DS |
375 | bgp_unlock_node(rn1); |
376 | return 0; | |
718e3744 | 377 | } |
378 | ||
fc9a856f | 379 | ret = (rn1 == rn2) ? 1 : 0; |
718e3744 | 380 | |
fc9a856f DS |
381 | bgp_unlock_node(rn1); |
382 | bgp_unlock_node(rn2); | |
718e3744 | 383 | |
fc9a856f | 384 | return (ret); |
718e3744 | 385 | } |
386 | ||
f186de26 | 387 | static void |
388 | bgp_show_nexthops (struct vty *vty, struct bgp *bgp, int detail) | |
fb018d25 DS |
389 | { |
390 | struct bgp_node *rn; | |
391 | struct bgp_nexthop_cache *bnc; | |
da11a696 | 392 | char buf[PREFIX2STR_BUFFER]; |
77217fd4 | 393 | struct nexthop *nexthop; |
fb018d25 | 394 | time_t tbuf; |
da11a696 | 395 | afi_t afi; |
fb018d25 DS |
396 | |
397 | vty_out (vty, "Current BGP nexthop cache:%s", VTY_NEWLINE); | |
da11a696 DS |
398 | for (afi = AFI_IP ; afi < AFI_MAX ; afi++) |
399 | { | |
6aeb9e78 | 400 | for (rn = bgp_table_top (bgp->nexthop_cache_table[afi]); rn; rn = bgp_route_next (rn)) |
fb018d25 | 401 | { |
da11a696 DS |
402 | if ((bnc = rn->info) != NULL) |
403 | { | |
404 | if (CHECK_FLAG(bnc->flags, BGP_NEXTHOP_VALID)) | |
77217fd4 | 405 | { |
da11a696 DS |
406 | vty_out (vty, " %s valid [IGP metric %d], #paths %d%s", |
407 | inet_ntop (rn->p.family, &rn->p.u.prefix, buf, sizeof (buf)), | |
408 | bnc->metric, bnc->path_count, VTY_NEWLINE); | |
409 | if (detail) | |
410 | for (nexthop = bnc->nexthop; nexthop; nexthop = nexthop->next) | |
411 | switch (nexthop->type) | |
412 | { | |
413 | case NEXTHOP_TYPE_IPV6: | |
414 | vty_out (vty, " gate %s%s", | |
415 | inet_ntop (AF_INET6, &nexthop->gate.ipv6, | |
416 | buf, sizeof (buf)), VTY_NEWLINE); | |
417 | break; | |
418 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
419 | vty_out(vty, " gate %s, if %s%s", | |
420 | inet_ntop(AF_INET6, &nexthop->gate.ipv6, buf, | |
421 | sizeof (buf)), | |
422 | ifindex2ifname(nexthop->ifindex), | |
423 | VTY_NEWLINE); | |
424 | break; | |
425 | case NEXTHOP_TYPE_IPV4: | |
426 | vty_out (vty, " gate %s%s", | |
427 | inet_ntop (AF_INET, &nexthop->gate.ipv4, buf, | |
428 | sizeof (buf)), VTY_NEWLINE); | |
429 | break; | |
430 | case NEXTHOP_TYPE_IFINDEX: | |
431 | vty_out (vty, " if %s%s", | |
432 | ifindex2ifname(nexthop->ifindex), VTY_NEWLINE); | |
433 | break; | |
434 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
435 | vty_out (vty, " gate %s, if %s%s", | |
436 | inet_ntop(AF_INET, &nexthop->gate.ipv4, buf, | |
437 | sizeof (buf)), | |
438 | ifindex2ifname(nexthop->ifindex), VTY_NEWLINE); | |
439 | break; | |
440 | default: | |
441 | vty_out (vty, " invalid nexthop type %u%s", | |
442 | nexthop->type, VTY_NEWLINE); | |
443 | } | |
444 | } | |
445 | else | |
446 | { | |
447 | vty_out (vty, " %s invalid%s", | |
448 | inet_ntop (rn->p.family, &rn->p.u.prefix, | |
449 | buf, sizeof (buf)), VTY_NEWLINE); | |
450 | if (CHECK_FLAG(bnc->flags, BGP_NEXTHOP_CONNECTED)) | |
451 | vty_out (vty, " Must be Connected%s", VTY_NEWLINE); | |
77217fd4 | 452 | } |
fb018d25 | 453 | #ifdef HAVE_CLOCK_MONOTONIC |
da11a696 DS |
454 | tbuf = time(NULL) - (bgp_clock() - bnc->last_update); |
455 | vty_out (vty, " Last update: %s", ctime(&tbuf)); | |
fb018d25 | 456 | #else |
da11a696 | 457 | vty_out (vty, " Last update: %s", ctime(&bnc->uptime)); |
fb018d25 | 458 | #endif /* HAVE_CLOCK_MONOTONIC */ |
da11a696 DS |
459 | vty_out(vty, "%s", VTY_NEWLINE); |
460 | } | |
fb018d25 | 461 | } |
da11a696 | 462 | } |
f186de26 | 463 | } |
464 | ||
465 | static int | |
466 | show_ip_bgp_nexthop_table (struct vty *vty, const char *name, int detail) | |
467 | { | |
468 | struct bgp *bgp; | |
469 | ||
470 | if (name) | |
471 | bgp = bgp_lookup_by_name (name); | |
472 | else | |
473 | bgp = bgp_get_default (); | |
474 | if (!bgp) | |
475 | { | |
476 | vty_out (vty, "%% No such BGP instance exist%s", VTY_NEWLINE); | |
477 | return CMD_WARNING; | |
478 | } | |
479 | ||
480 | bgp_show_nexthops (vty, bgp, detail); | |
481 | ||
fb018d25 DS |
482 | return CMD_SUCCESS; |
483 | } | |
484 | ||
f186de26 | 485 | static void |
486 | bgp_show_all_instances_nexthops_vty (struct vty *vty) | |
487 | { | |
488 | struct listnode *node, *nnode; | |
489 | struct bgp *bgp; | |
490 | ||
491 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) | |
492 | { | |
493 | vty_out (vty, "%sInstance %s:%s", | |
494 | VTY_NEWLINE, | |
495 | (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) ? "Default" : bgp->name, | |
496 | VTY_NEWLINE); | |
497 | bgp_show_nexthops (vty, bgp, 0); | |
498 | } | |
499 | } | |
500 | ||
fb018d25 DS |
501 | DEFUN (show_ip_bgp_nexthop, |
502 | show_ip_bgp_nexthop_cmd, | |
503 | "show ip bgp nexthop", | |
504 | SHOW_STR | |
505 | IP_STR | |
506 | BGP_STR | |
507 | "BGP nexthop table\n") | |
508 | { | |
6aeb9e78 | 509 | return show_ip_bgp_nexthop_table (vty, NULL, 0); |
fb018d25 DS |
510 | } |
511 | ||
512 | DEFUN (show_ip_bgp_nexthop_detail, | |
513 | show_ip_bgp_nexthop_detail_cmd, | |
514 | "show ip bgp nexthop detail", | |
515 | SHOW_STR | |
516 | IP_STR | |
517 | BGP_STR | |
518 | "BGP nexthop table\n") | |
519 | { | |
6aeb9e78 | 520 | return show_ip_bgp_nexthop_table (vty, NULL, 1); |
fb018d25 DS |
521 | } |
522 | ||
8386ac43 | 523 | DEFUN (show_ip_bgp_instance_nexthop, |
524 | show_ip_bgp_instance_nexthop_cmd, | |
525 | "show ip bgp " BGP_INSTANCE_CMD " nexthop", | |
50ef26d4 | 526 | SHOW_STR |
527 | IP_STR | |
528 | BGP_STR | |
8386ac43 | 529 | BGP_INSTANCE_HELP_STR |
50ef26d4 | 530 | "BGP nexthop table\n") |
531 | { | |
532 | return show_ip_bgp_nexthop_table (vty, argv[1], 0); | |
533 | } | |
534 | ||
f186de26 | 535 | DEFUN (show_ip_bgp_instance_all_nexthop, |
536 | show_ip_bgp_instance_all_nexthop_cmd, | |
537 | "show ip bgp " BGP_INSTANCE_ALL_CMD " nexthop", | |
538 | SHOW_STR | |
539 | IP_STR | |
540 | BGP_STR | |
541 | BGP_INSTANCE_ALL_HELP_STR | |
542 | "BGP nexthop table\n") | |
543 | { | |
544 | bgp_show_all_instances_nexthops_vty (vty); | |
545 | return CMD_SUCCESS; | |
546 | } | |
547 | ||
8386ac43 | 548 | DEFUN (show_ip_bgp_instance_nexthop_detail, |
549 | show_ip_bgp_instance_nexthop_detail_cmd, | |
550 | "show ip bgp " BGP_INSTANCE_CMD " nexthop detail", | |
50ef26d4 | 551 | SHOW_STR |
552 | IP_STR | |
553 | BGP_STR | |
8386ac43 | 554 | BGP_INSTANCE_HELP_STR |
50ef26d4 | 555 | "BGP nexthop table\n") |
556 | { | |
557 | return show_ip_bgp_nexthop_table (vty, argv[1], 1); | |
558 | } | |
559 | ||
718e3744 | 560 | void |
6aeb9e78 | 561 | bgp_scan_init (struct bgp *bgp) |
718e3744 | 562 | { |
6aeb9e78 DS |
563 | bgp->nexthop_cache_table[AFI_IP] = bgp_table_init (AFI_IP, SAFI_UNICAST); |
564 | bgp->connected_table[AFI_IP] = bgp_table_init (AFI_IP, SAFI_UNICAST); | |
565 | bgp->import_check_table[AFI_IP] = bgp_table_init (AFI_IP, SAFI_UNICAST); | |
718e3744 | 566 | |
6aeb9e78 DS |
567 | bgp->nexthop_cache_table[AFI_IP6] = bgp_table_init (AFI_IP6, SAFI_UNICAST); |
568 | bgp->connected_table[AFI_IP6] = bgp_table_init (AFI_IP6, SAFI_UNICAST); | |
569 | bgp->import_check_table[AFI_IP6] = bgp_table_init (AFI_IP6, SAFI_UNICAST); | |
718e3744 | 570 | |
0adfc788 DS |
571 | bgp->nexthop_cache_table[AFI_ETHER] = bgp_table_init (AFI_ETHER, SAFI_UNICAST); |
572 | bgp->connected_table[AFI_ETHER] = bgp_table_init (AFI_ETHER, SAFI_UNICAST); | |
573 | bgp->import_check_table[AFI_ETHER] = bgp_table_init (AFI_ETHER, SAFI_UNICAST); | |
fc9a856f DS |
574 | } |
575 | ||
576 | void | |
ffd0c037 | 577 | bgp_scan_vty_init (void) |
fc9a856f DS |
578 | { |
579 | install_element (ENABLE_NODE, &show_ip_bgp_nexthop_cmd); | |
fb018d25 DS |
580 | install_element (VIEW_NODE, &show_ip_bgp_nexthop_cmd); |
581 | install_element (VIEW_NODE, &show_ip_bgp_nexthop_detail_cmd); | |
fb018d25 | 582 | install_element (ENABLE_NODE, &show_ip_bgp_nexthop_detail_cmd); |
8386ac43 | 583 | install_element (ENABLE_NODE, &show_ip_bgp_instance_nexthop_cmd); |
f186de26 | 584 | install_element (ENABLE_NODE, &show_ip_bgp_instance_all_nexthop_cmd); |
8386ac43 | 585 | install_element (VIEW_NODE, &show_ip_bgp_instance_nexthop_cmd); |
f186de26 | 586 | install_element (VIEW_NODE, &show_ip_bgp_instance_all_nexthop_cmd); |
8386ac43 | 587 | install_element (VIEW_NODE, &show_ip_bgp_instance_nexthop_detail_cmd); |
588 | install_element (ENABLE_NODE, &show_ip_bgp_instance_nexthop_detail_cmd); | |
718e3744 | 589 | } |
228da428 CC |
590 | |
591 | void | |
6aeb9e78 | 592 | bgp_scan_finish (struct bgp *bgp) |
228da428 | 593 | { |
6c88b44d | 594 | /* Only the current one needs to be reset. */ |
6aeb9e78 | 595 | bgp_nexthop_cache_reset (bgp->nexthop_cache_table[AFI_IP]); |
6c88b44d | 596 | |
6aeb9e78 DS |
597 | bgp_table_unlock (bgp->nexthop_cache_table[AFI_IP]); |
598 | bgp->nexthop_cache_table[AFI_IP] = NULL; | |
228da428 | 599 | |
6aeb9e78 DS |
600 | bgp_table_unlock (bgp->connected_table[AFI_IP]); |
601 | bgp->connected_table[AFI_IP] = NULL; | |
228da428 | 602 | |
6aeb9e78 DS |
603 | bgp_table_unlock (bgp->import_check_table[AFI_IP]); |
604 | bgp->import_check_table[AFI_IP] = NULL; | |
078430f6 | 605 | |
228da428 | 606 | #ifdef HAVE_IPV6 |
6c88b44d | 607 | /* Only the current one needs to be reset. */ |
6aeb9e78 | 608 | bgp_nexthop_cache_reset (bgp->nexthop_cache_table[AFI_IP6]); |
6c88b44d | 609 | |
6aeb9e78 DS |
610 | bgp_table_unlock (bgp->nexthop_cache_table[AFI_IP6]); |
611 | bgp->nexthop_cache_table[AFI_IP6] = NULL; | |
228da428 | 612 | |
6aeb9e78 DS |
613 | bgp_table_unlock (bgp->connected_table[AFI_IP6]); |
614 | bgp->connected_table[AFI_IP6] = NULL; | |
078430f6 | 615 | |
6aeb9e78 DS |
616 | bgp_table_unlock (bgp->import_check_table[AFI_IP6]); |
617 | bgp->import_check_table[AFI_IP6] = NULL; | |
228da428 CC |
618 | #endif /* HAVE_IPV6 */ |
619 | } |