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718e3744 | 1 | /* BGP routing information |
896014f4 DL |
2 | * Copyright (C) 1996, 97, 98, 99 Kunihiro Ishiguro |
3 | * Copyright (C) 2016 Job Snijders <job@instituut.net> | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along | |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | */ | |
718e3744 | 21 | |
22 | #include <zebra.h> | |
8d0ab76d | 23 | #include <math.h> |
718e3744 | 24 | |
2618a52e | 25 | #include "printfrr.h" |
718e3744 | 26 | #include "prefix.h" |
27 | #include "linklist.h" | |
28 | #include "memory.h" | |
29 | #include "command.h" | |
30 | #include "stream.h" | |
31 | #include "filter.h" | |
718e3744 | 32 | #include "log.h" |
33 | #include "routemap.h" | |
34 | #include "buffer.h" | |
35 | #include "sockunion.h" | |
36 | #include "plist.h" | |
37 | #include "thread.h" | |
200df115 | 38 | #include "workqueue.h" |
3f9c7369 | 39 | #include "queue.h" |
6e919709 | 40 | #include "memory.h" |
4dcadbef | 41 | #include "lib/json.h" |
d8d084d9 | 42 | #include "lib_errors.h" |
718e3744 | 43 | |
44 | #include "bgpd/bgpd.h" | |
45 | #include "bgpd/bgp_table.h" | |
46 | #include "bgpd/bgp_route.h" | |
47 | #include "bgpd/bgp_attr.h" | |
48 | #include "bgpd/bgp_debug.h" | |
14454c9f | 49 | #include "bgpd/bgp_errors.h" |
718e3744 | 50 | #include "bgpd/bgp_aspath.h" |
51 | #include "bgpd/bgp_regex.h" | |
52 | #include "bgpd/bgp_community.h" | |
53 | #include "bgpd/bgp_ecommunity.h" | |
57d187bc | 54 | #include "bgpd/bgp_lcommunity.h" |
718e3744 | 55 | #include "bgpd/bgp_clist.h" |
56 | #include "bgpd/bgp_packet.h" | |
57 | #include "bgpd/bgp_filter.h" | |
58 | #include "bgpd/bgp_fsm.h" | |
59 | #include "bgpd/bgp_mplsvpn.h" | |
60 | #include "bgpd/bgp_nexthop.h" | |
61 | #include "bgpd/bgp_damp.h" | |
62 | #include "bgpd/bgp_advertise.h" | |
63 | #include "bgpd/bgp_zebra.h" | |
0a486e5f | 64 | #include "bgpd/bgp_vty.h" |
96450faf | 65 | #include "bgpd/bgp_mpath.h" |
fc9a856f | 66 | #include "bgpd/bgp_nht.h" |
3f9c7369 | 67 | #include "bgpd/bgp_updgrp.h" |
cd1964ff | 68 | #include "bgpd/bgp_label.h" |
dcc68b5e | 69 | #include "bgpd/bgp_addpath.h" |
4e802e66 | 70 | #include "bgpd/bgp_mac.h" |
718e3744 | 71 | |
65efcfce | 72 | #if ENABLE_BGP_VNC |
f8b6f499 LB |
73 | #include "bgpd/rfapi/rfapi_backend.h" |
74 | #include "bgpd/rfapi/vnc_import_bgp.h" | |
75 | #include "bgpd/rfapi/vnc_export_bgp.h" | |
65efcfce | 76 | #endif |
aee875b5 PG |
77 | #include "bgpd/bgp_encap_types.h" |
78 | #include "bgpd/bgp_encap_tlv.h" | |
684a7227 | 79 | #include "bgpd/bgp_evpn.h" |
3da6fcd5 | 80 | #include "bgpd/bgp_evpn_vty.h" |
dba3c1d3 | 81 | #include "bgpd/bgp_flowspec.h" |
98a9dbc7 | 82 | #include "bgpd/bgp_flowspec_util.h" |
45918cfb | 83 | #include "bgpd/bgp_pbr.h" |
65efcfce | 84 | |
e2a86ad9 DS |
85 | #ifndef VTYSH_EXTRACT_PL |
86 | #include "bgpd/bgp_route_clippy.c" | |
87 | #endif | |
aee875b5 | 88 | |
718e3744 | 89 | /* Extern from bgp_dump.c */ |
dde72586 SH |
90 | extern const char *bgp_origin_str[]; |
91 | extern const char *bgp_origin_long_str[]; | |
6b0655a2 | 92 | |
b7d08f5a | 93 | /* PMSI strings. */ |
94 | #define PMSI_TNLTYPE_STR_NO_INFO "No info" | |
95 | #define PMSI_TNLTYPE_STR_DEFAULT PMSI_TNLTYPE_STR_NO_INFO | |
96 | static const struct message bgp_pmsi_tnltype_str[] = { | |
97 | {PMSI_TNLTYPE_NO_INFO, PMSI_TNLTYPE_STR_NO_INFO}, | |
98 | {PMSI_TNLTYPE_RSVP_TE_P2MP, "RSVP-TE P2MP"}, | |
99 | {PMSI_TNLTYPE_MLDP_P2MP, "mLDP P2MP"}, | |
100 | {PMSI_TNLTYPE_PIM_SSM, "PIM-SSM"}, | |
101 | {PMSI_TNLTYPE_PIM_SM, "PIM-SM"}, | |
102 | {PMSI_TNLTYPE_PIM_BIDIR, "PIM-BIDIR"}, | |
103 | {PMSI_TNLTYPE_INGR_REPL, "Ingress Replication"}, | |
104 | {PMSI_TNLTYPE_MLDP_MP2MP, "mLDP MP2MP"}, | |
88fbc36f | 105 | {0} |
106 | }; | |
b7d08f5a | 107 | |
9df8b37c PZ |
108 | #define VRFID_NONE_STR "-" |
109 | ||
4a11bf2c DL |
110 | DEFINE_HOOK(bgp_process, |
111 | (struct bgp *bgp, afi_t afi, safi_t safi, | |
112 | struct bgp_node *bn, struct peer *peer, bool withdraw), | |
113 | (bgp, afi, safi, bn, peer, withdraw)) | |
114 | ||
115 | ||
d62a17ae | 116 | struct bgp_node *bgp_afi_node_get(struct bgp_table *table, afi_t afi, |
117 | safi_t safi, struct prefix *p, | |
118 | struct prefix_rd *prd) | |
119 | { | |
120 | struct bgp_node *rn; | |
121 | struct bgp_node *prn = NULL; | |
122 | ||
123 | assert(table); | |
124 | if (!table) | |
125 | return NULL; | |
126 | ||
127 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) | |
128 | || (safi == SAFI_EVPN)) { | |
129 | prn = bgp_node_get(table, (struct prefix *)prd); | |
130 | ||
67009e22 DS |
131 | if (!bgp_node_has_bgp_path_info_data(prn)) |
132 | bgp_node_set_bgp_table_info( | |
133 | prn, bgp_table_init(table->bgp, afi, safi)); | |
d62a17ae | 134 | else |
135 | bgp_unlock_node(prn); | |
67009e22 | 136 | table = bgp_node_get_bgp_table_info(prn); |
d62a17ae | 137 | } |
718e3744 | 138 | |
d62a17ae | 139 | rn = bgp_node_get(table, p); |
718e3744 | 140 | |
d62a17ae | 141 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
142 | || (safi == SAFI_EVPN)) | |
143 | rn->prn = prn; | |
718e3744 | 144 | |
d62a17ae | 145 | return rn; |
718e3744 | 146 | } |
6b0655a2 | 147 | |
d62a17ae | 148 | struct bgp_node *bgp_afi_node_lookup(struct bgp_table *table, afi_t afi, |
149 | safi_t safi, struct prefix *p, | |
150 | struct prefix_rd *prd) | |
128ea8ab | 151 | { |
d62a17ae | 152 | struct bgp_node *rn; |
153 | struct bgp_node *prn = NULL; | |
128ea8ab | 154 | |
d62a17ae | 155 | if (!table) |
156 | return NULL; | |
128ea8ab | 157 | |
d62a17ae | 158 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
159 | || (safi == SAFI_EVPN)) { | |
160 | prn = bgp_node_lookup(table, (struct prefix *)prd); | |
161 | if (!prn) | |
162 | return NULL; | |
128ea8ab | 163 | |
6f94b685 | 164 | if (!bgp_node_has_bgp_path_info_data(prn)) { |
d62a17ae | 165 | bgp_unlock_node(prn); |
166 | return NULL; | |
167 | } | |
128ea8ab | 168 | |
67009e22 | 169 | table = bgp_node_get_bgp_table_info(prn); |
d62a17ae | 170 | } |
128ea8ab | 171 | |
d62a17ae | 172 | rn = bgp_node_lookup(table, p); |
128ea8ab | 173 | |
d62a17ae | 174 | return rn; |
128ea8ab | 175 | } |
176 | ||
18ee8310 DS |
177 | /* Allocate bgp_path_info_extra */ |
178 | static struct bgp_path_info_extra *bgp_path_info_extra_new(void) | |
fb982c25 | 179 | { |
4b7e6066 DS |
180 | struct bgp_path_info_extra *new; |
181 | new = XCALLOC(MTYPE_BGP_ROUTE_EXTRA, | |
182 | sizeof(struct bgp_path_info_extra)); | |
b57ba6d2 MK |
183 | new->label[0] = MPLS_INVALID_LABEL; |
184 | new->num_labels = 0; | |
3e3708cb PG |
185 | new->bgp_fs_pbr = NULL; |
186 | new->bgp_fs_iprule = NULL; | |
d62a17ae | 187 | return new; |
fb982c25 PJ |
188 | } |
189 | ||
a2e219fe | 190 | void bgp_path_info_extra_free(struct bgp_path_info_extra **extra) |
fb982c25 | 191 | { |
4b7e6066 | 192 | struct bgp_path_info_extra *e; |
d62a17ae | 193 | |
c93a3b77 DS |
194 | if (!extra || !*extra) |
195 | return; | |
d62a17ae | 196 | |
c93a3b77 DS |
197 | e = *extra; |
198 | if (e->damp_info) | |
a935f597 DA |
199 | bgp_damp_info_free(e->damp_info, 0, e->damp_info->afi, |
200 | e->damp_info->safi); | |
d62a17ae | 201 | |
c93a3b77 DS |
202 | e->damp_info = NULL; |
203 | if (e->parent) { | |
40381db7 | 204 | struct bgp_path_info *bpi = (struct bgp_path_info *)e->parent; |
c93a3b77 | 205 | |
40381db7 | 206 | if (bpi->net) { |
0e70e6c8 DL |
207 | /* FIXME: since multiple e may have the same e->parent |
208 | * and e->parent->net is holding a refcount for each | |
209 | * of them, we need to do some fudging here. | |
210 | * | |
40381db7 DS |
211 | * WARNING: if bpi->net->lock drops to 0, bpi may be |
212 | * freed as well (because bpi->net was holding the | |
213 | * last reference to bpi) => write after free! | |
0e70e6c8 DL |
214 | */ |
215 | unsigned refcount; | |
216 | ||
40381db7 DS |
217 | bpi = bgp_path_info_lock(bpi); |
218 | refcount = bpi->net->lock - 1; | |
219 | bgp_unlock_node((struct bgp_node *)bpi->net); | |
0e70e6c8 | 220 | if (!refcount) |
40381db7 DS |
221 | bpi->net = NULL; |
222 | bgp_path_info_unlock(bpi); | |
0e70e6c8 | 223 | } |
18ee8310 | 224 | bgp_path_info_unlock(e->parent); |
c93a3b77 | 225 | e->parent = NULL; |
d62a17ae | 226 | } |
c93a3b77 DS |
227 | |
228 | if (e->bgp_orig) | |
229 | bgp_unlock(e->bgp_orig); | |
c26edcda | 230 | |
ce3c0614 PG |
231 | if ((*extra)->bgp_fs_iprule) |
232 | list_delete(&((*extra)->bgp_fs_iprule)); | |
c26edcda | 233 | if ((*extra)->bgp_fs_pbr) |
6a154c88 | 234 | list_delete(&((*extra)->bgp_fs_pbr)); |
c93a3b77 DS |
235 | XFREE(MTYPE_BGP_ROUTE_EXTRA, *extra); |
236 | ||
237 | *extra = NULL; | |
fb982c25 PJ |
238 | } |
239 | ||
18ee8310 DS |
240 | /* Get bgp_path_info extra information for the given bgp_path_info, lazy |
241 | * allocated if required. | |
fb982c25 | 242 | */ |
40381db7 | 243 | struct bgp_path_info_extra *bgp_path_info_extra_get(struct bgp_path_info *pi) |
fb982c25 | 244 | { |
40381db7 DS |
245 | if (!pi->extra) |
246 | pi->extra = bgp_path_info_extra_new(); | |
247 | return pi->extra; | |
fb982c25 PJ |
248 | } |
249 | ||
718e3744 | 250 | /* Free bgp route information. */ |
9b6d8fcf | 251 | static void bgp_path_info_free(struct bgp_path_info *path) |
718e3744 | 252 | { |
05864da7 | 253 | bgp_attr_unintern(&path->attr); |
fb018d25 | 254 | |
9b6d8fcf DS |
255 | bgp_unlink_nexthop(path); |
256 | bgp_path_info_extra_free(&path->extra); | |
257 | bgp_path_info_mpath_free(&path->mpath); | |
62918377 RW |
258 | if (path->net) |
259 | bgp_addpath_free_info_data(&path->tx_addpath, | |
260 | &path->net->tx_addpath); | |
718e3744 | 261 | |
9b6d8fcf | 262 | peer_unlock(path->peer); /* bgp_path_info peer reference */ |
200df115 | 263 | |
9b6d8fcf | 264 | XFREE(MTYPE_BGP_ROUTE, path); |
718e3744 | 265 | } |
266 | ||
9b6d8fcf | 267 | struct bgp_path_info *bgp_path_info_lock(struct bgp_path_info *path) |
200df115 | 268 | { |
9b6d8fcf DS |
269 | path->lock++; |
270 | return path; | |
200df115 | 271 | } |
272 | ||
9b6d8fcf | 273 | struct bgp_path_info *bgp_path_info_unlock(struct bgp_path_info *path) |
200df115 | 274 | { |
9b6d8fcf DS |
275 | assert(path && path->lock > 0); |
276 | path->lock--; | |
d62a17ae | 277 | |
9b6d8fcf | 278 | if (path->lock == 0) { |
200df115 | 279 | #if 0 |
280 | zlog_debug ("%s: unlocked and freeing", __func__); | |
281 | zlog_backtrace (LOG_DEBUG); | |
282 | #endif | |
9b6d8fcf | 283 | bgp_path_info_free(path); |
d62a17ae | 284 | return NULL; |
285 | } | |
200df115 | 286 | |
287 | #if 0 | |
9b6d8fcf | 288 | if (path->lock == 1) |
200df115 | 289 | { |
290 | zlog_debug ("%s: unlocked to 1", __func__); | |
291 | zlog_backtrace (LOG_DEBUG); | |
292 | } | |
293 | #endif | |
d62a17ae | 294 | |
9b6d8fcf | 295 | return path; |
200df115 | 296 | } |
297 | ||
40381db7 | 298 | void bgp_path_info_add(struct bgp_node *rn, struct bgp_path_info *pi) |
718e3744 | 299 | { |
4b7e6066 | 300 | struct bgp_path_info *top; |
718e3744 | 301 | |
6f94b685 | 302 | top = bgp_node_get_bgp_path_info(rn); |
d62a17ae | 303 | |
6f94b685 | 304 | pi->next = top; |
40381db7 | 305 | pi->prev = NULL; |
d62a17ae | 306 | if (top) |
40381db7 | 307 | top->prev = pi; |
6f94b685 | 308 | bgp_node_set_bgp_path_info(rn, pi); |
d62a17ae | 309 | |
40381db7 | 310 | bgp_path_info_lock(pi); |
d62a17ae | 311 | bgp_lock_node(rn); |
40381db7 | 312 | peer_lock(pi->peer); /* bgp_path_info peer reference */ |
718e3744 | 313 | } |
314 | ||
d62a17ae | 315 | /* Do the actual removal of info from RIB, for use by bgp_process |
b40d939b | 316 | completion callback *only* */ |
40381db7 | 317 | void bgp_path_info_reap(struct bgp_node *rn, struct bgp_path_info *pi) |
718e3744 | 318 | { |
40381db7 DS |
319 | if (pi->next) |
320 | pi->next->prev = pi->prev; | |
321 | if (pi->prev) | |
322 | pi->prev->next = pi->next; | |
d62a17ae | 323 | else |
6f94b685 | 324 | bgp_node_set_bgp_path_info(rn, pi->next); |
d62a17ae | 325 | |
40381db7 DS |
326 | bgp_path_info_mpath_dequeue(pi); |
327 | bgp_path_info_unlock(pi); | |
d62a17ae | 328 | bgp_unlock_node(rn); |
718e3744 | 329 | } |
330 | ||
40381db7 | 331 | void bgp_path_info_delete(struct bgp_node *rn, struct bgp_path_info *pi) |
b40d939b | 332 | { |
40381db7 | 333 | bgp_path_info_set_flag(rn, pi, BGP_PATH_REMOVED); |
d62a17ae | 334 | /* set of previous already took care of pcount */ |
40381db7 | 335 | UNSET_FLAG(pi->flags, BGP_PATH_VALID); |
b40d939b | 336 | } |
337 | ||
18ee8310 | 338 | /* undo the effects of a previous call to bgp_path_info_delete; typically |
8d45210e AS |
339 | called when a route is deleted and then quickly re-added before the |
340 | deletion has been processed */ | |
40381db7 | 341 | void bgp_path_info_restore(struct bgp_node *rn, struct bgp_path_info *pi) |
8d45210e | 342 | { |
40381db7 | 343 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_REMOVED); |
d62a17ae | 344 | /* unset of previous already took care of pcount */ |
40381db7 | 345 | SET_FLAG(pi->flags, BGP_PATH_VALID); |
8d45210e AS |
346 | } |
347 | ||
d62a17ae | 348 | /* Adjust pcount as required */ |
40381db7 | 349 | static void bgp_pcount_adjust(struct bgp_node *rn, struct bgp_path_info *pi) |
1a392d46 | 350 | { |
d62a17ae | 351 | struct bgp_table *table; |
67174041 | 352 | |
d62a17ae | 353 | assert(rn && bgp_node_table(rn)); |
40381db7 | 354 | assert(pi && pi->peer && pi->peer->bgp); |
6f58544d | 355 | |
d62a17ae | 356 | table = bgp_node_table(rn); |
67174041 | 357 | |
40381db7 | 358 | if (pi->peer == pi->peer->bgp->peer_self) |
d62a17ae | 359 | return; |
360 | ||
40381db7 DS |
361 | if (!BGP_PATH_COUNTABLE(pi) |
362 | && CHECK_FLAG(pi->flags, BGP_PATH_COUNTED)) { | |
d62a17ae | 363 | |
40381db7 | 364 | UNSET_FLAG(pi->flags, BGP_PATH_COUNTED); |
d62a17ae | 365 | |
366 | /* slight hack, but more robust against errors. */ | |
40381db7 DS |
367 | if (pi->peer->pcount[table->afi][table->safi]) |
368 | pi->peer->pcount[table->afi][table->safi]--; | |
d8d084d9 | 369 | else |
450971aa | 370 | flog_err(EC_LIB_DEVELOPMENT, |
d8d084d9 | 371 | "Asked to decrement 0 prefix count for peer"); |
40381db7 DS |
372 | } else if (BGP_PATH_COUNTABLE(pi) |
373 | && !CHECK_FLAG(pi->flags, BGP_PATH_COUNTED)) { | |
374 | SET_FLAG(pi->flags, BGP_PATH_COUNTED); | |
375 | pi->peer->pcount[table->afi][table->safi]++; | |
d62a17ae | 376 | } |
1a392d46 PJ |
377 | } |
378 | ||
40381db7 DS |
379 | static int bgp_label_index_differs(struct bgp_path_info *pi1, |
380 | struct bgp_path_info *pi2) | |
28d58fd7 | 381 | { |
40381db7 | 382 | return (!(pi1->attr->label_index == pi2->attr->label_index)); |
28d58fd7 | 383 | } |
1a392d46 | 384 | |
18ee8310 | 385 | /* Set/unset bgp_path_info flags, adjusting any other state as needed. |
1a392d46 PJ |
386 | * This is here primarily to keep prefix-count in check. |
387 | */ | |
40381db7 | 388 | void bgp_path_info_set_flag(struct bgp_node *rn, struct bgp_path_info *pi, |
18ee8310 | 389 | uint32_t flag) |
1a392d46 | 390 | { |
40381db7 | 391 | SET_FLAG(pi->flags, flag); |
d62a17ae | 392 | |
393 | /* early bath if we know it's not a flag that changes countability state | |
394 | */ | |
395 | if (!CHECK_FLAG(flag, | |
1defdda8 | 396 | BGP_PATH_VALID | BGP_PATH_HISTORY | BGP_PATH_REMOVED)) |
d62a17ae | 397 | return; |
398 | ||
40381db7 | 399 | bgp_pcount_adjust(rn, pi); |
1a392d46 PJ |
400 | } |
401 | ||
40381db7 | 402 | void bgp_path_info_unset_flag(struct bgp_node *rn, struct bgp_path_info *pi, |
18ee8310 | 403 | uint32_t flag) |
1a392d46 | 404 | { |
40381db7 | 405 | UNSET_FLAG(pi->flags, flag); |
d62a17ae | 406 | |
407 | /* early bath if we know it's not a flag that changes countability state | |
408 | */ | |
409 | if (!CHECK_FLAG(flag, | |
1defdda8 | 410 | BGP_PATH_VALID | BGP_PATH_HISTORY | BGP_PATH_REMOVED)) |
d62a17ae | 411 | return; |
412 | ||
40381db7 | 413 | bgp_pcount_adjust(rn, pi); |
1a392d46 PJ |
414 | } |
415 | ||
718e3744 | 416 | /* Get MED value. If MED value is missing and "bgp bestpath |
417 | missing-as-worst" is specified, treat it as the worst value. */ | |
d7c0a89a | 418 | static uint32_t bgp_med_value(struct attr *attr, struct bgp *bgp) |
d62a17ae | 419 | { |
420 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
421 | return attr->med; | |
422 | else { | |
423 | if (bgp_flag_check(bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
424 | return BGP_MED_MAX; | |
425 | else | |
426 | return 0; | |
427 | } | |
718e3744 | 428 | } |
429 | ||
40381db7 | 430 | void bgp_path_info_path_with_addpath_rx_str(struct bgp_path_info *pi, char *buf) |
2ec1e66f | 431 | { |
40381db7 DS |
432 | if (pi->addpath_rx_id) |
433 | sprintf(buf, "path %s (addpath rxid %d)", pi->peer->host, | |
434 | pi->addpath_rx_id); | |
d62a17ae | 435 | else |
40381db7 | 436 | sprintf(buf, "path %s", pi->peer->host); |
d62a17ae | 437 | } |
9fbdd100 | 438 | |
d62a17ae | 439 | /* Compare two bgp route entity. If 'new' is preferable over 'exist' return 1. |
440 | */ | |
18ee8310 DS |
441 | static int bgp_path_info_cmp(struct bgp *bgp, struct bgp_path_info *new, |
442 | struct bgp_path_info *exist, int *paths_eq, | |
443 | struct bgp_maxpaths_cfg *mpath_cfg, int debug, | |
fdf81fa0 DS |
444 | char *pfx_buf, afi_t afi, safi_t safi, |
445 | enum bgp_path_selection_reason *reason) | |
d62a17ae | 446 | { |
447 | struct attr *newattr, *existattr; | |
448 | bgp_peer_sort_t new_sort; | |
449 | bgp_peer_sort_t exist_sort; | |
d7c0a89a QY |
450 | uint32_t new_pref; |
451 | uint32_t exist_pref; | |
452 | uint32_t new_med; | |
453 | uint32_t exist_med; | |
454 | uint32_t new_weight; | |
455 | uint32_t exist_weight; | |
d62a17ae | 456 | uint32_t newm, existm; |
457 | struct in_addr new_id; | |
458 | struct in_addr exist_id; | |
459 | int new_cluster; | |
460 | int exist_cluster; | |
461 | int internal_as_route; | |
462 | int confed_as_route; | |
04d14c8b | 463 | int ret = 0; |
d62a17ae | 464 | char new_buf[PATH_ADDPATH_STR_BUFFER]; |
465 | char exist_buf[PATH_ADDPATH_STR_BUFFER]; | |
d7c0a89a QY |
466 | uint32_t new_mm_seq; |
467 | uint32_t exist_mm_seq; | |
6d8c603a | 468 | int nh_cmp; |
d62a17ae | 469 | |
470 | *paths_eq = 0; | |
471 | ||
472 | /* 0. Null check. */ | |
473 | if (new == NULL) { | |
fdf81fa0 | 474 | *reason = bgp_path_selection_none; |
d62a17ae | 475 | if (debug) |
476 | zlog_debug("%s: new is NULL", pfx_buf); | |
477 | return 0; | |
478 | } | |
2ec1e66f | 479 | |
d62a17ae | 480 | if (debug) |
18ee8310 | 481 | bgp_path_info_path_with_addpath_rx_str(new, new_buf); |
718e3744 | 482 | |
d62a17ae | 483 | if (exist == NULL) { |
fdf81fa0 | 484 | *reason = bgp_path_selection_first; |
d62a17ae | 485 | if (debug) |
486 | zlog_debug("%s: %s is the initial bestpath", pfx_buf, | |
487 | new_buf); | |
488 | return 1; | |
489 | } | |
2ec1e66f | 490 | |
d62a17ae | 491 | if (debug) { |
18ee8310 | 492 | bgp_path_info_path_with_addpath_rx_str(exist, exist_buf); |
d62a17ae | 493 | zlog_debug("%s: Comparing %s flags 0x%x with %s flags 0x%x", |
494 | pfx_buf, new_buf, new->flags, exist_buf, | |
495 | exist->flags); | |
496 | } | |
8ff56318 | 497 | |
d62a17ae | 498 | newattr = new->attr; |
499 | existattr = exist->attr; | |
500 | ||
501 | /* For EVPN routes, we cannot just go by local vs remote, we have to | |
502 | * look at the MAC mobility sequence number, if present. | |
503 | */ | |
504 | if (safi == SAFI_EVPN) { | |
505 | /* This is an error condition described in RFC 7432 Section | |
506 | * 15.2. The RFC | |
507 | * states that in this scenario "the PE MUST alert the operator" | |
508 | * but it | |
509 | * does not state what other action to take. In order to provide | |
510 | * some | |
511 | * consistency in this scenario we are going to prefer the path | |
512 | * with the | |
513 | * sticky flag. | |
514 | */ | |
515 | if (newattr->sticky != existattr->sticky) { | |
516 | if (!debug) { | |
517 | prefix2str(&new->net->p, pfx_buf, | |
518 | sizeof(*pfx_buf) | |
519 | * PREFIX2STR_BUFFER); | |
18ee8310 DS |
520 | bgp_path_info_path_with_addpath_rx_str(new, |
521 | new_buf); | |
522 | bgp_path_info_path_with_addpath_rx_str( | |
523 | exist, exist_buf); | |
d62a17ae | 524 | } |
525 | ||
526 | if (newattr->sticky && !existattr->sticky) { | |
fdf81fa0 | 527 | *reason = bgp_path_selection_evpn_sticky_mac; |
deff24ca DS |
528 | if (debug) |
529 | zlog_debug( | |
530 | "%s: %s wins over %s due to sticky MAC flag", | |
531 | pfx_buf, new_buf, exist_buf); | |
d62a17ae | 532 | return 1; |
533 | } | |
534 | ||
535 | if (!newattr->sticky && existattr->sticky) { | |
fdf81fa0 | 536 | *reason = bgp_path_selection_evpn_sticky_mac; |
deff24ca DS |
537 | if (debug) |
538 | zlog_debug( | |
539 | "%s: %s loses to %s due to sticky MAC flag", | |
540 | pfx_buf, new_buf, exist_buf); | |
d62a17ae | 541 | return 0; |
542 | } | |
543 | } | |
128ea8ab | 544 | |
d62a17ae | 545 | new_mm_seq = mac_mobility_seqnum(newattr); |
546 | exist_mm_seq = mac_mobility_seqnum(existattr); | |
8ff56318 | 547 | |
d62a17ae | 548 | if (new_mm_seq > exist_mm_seq) { |
fdf81fa0 | 549 | *reason = bgp_path_selection_evpn_seq; |
d62a17ae | 550 | if (debug) |
551 | zlog_debug( | |
552 | "%s: %s wins over %s due to MM seq %u > %u", | |
553 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
554 | exist_mm_seq); | |
555 | return 1; | |
556 | } | |
8ff56318 | 557 | |
d62a17ae | 558 | if (new_mm_seq < exist_mm_seq) { |
fdf81fa0 | 559 | *reason = bgp_path_selection_evpn_seq; |
d62a17ae | 560 | if (debug) |
561 | zlog_debug( | |
562 | "%s: %s loses to %s due to MM seq %u < %u", | |
563 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
564 | exist_mm_seq); | |
565 | return 0; | |
566 | } | |
6d8c603a AK |
567 | |
568 | /* | |
569 | * if sequence numbers are the same path with the lowest IP | |
570 | * wins | |
571 | */ | |
572 | nh_cmp = bgp_path_info_nexthop_cmp(new, exist); | |
573 | if (nh_cmp < 0) { | |
fdf81fa0 | 574 | *reason = bgp_path_selection_evpn_lower_ip; |
6d8c603a AK |
575 | if (debug) |
576 | zlog_debug( | |
577 | "%s: %s wins over %s due to same MM seq %u and lower IP %s", | |
578 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
579 | inet_ntoa(new->attr->nexthop)); | |
580 | return 1; | |
581 | } | |
582 | if (nh_cmp > 0) { | |
fdf81fa0 | 583 | *reason = bgp_path_selection_evpn_lower_ip; |
6d8c603a AK |
584 | if (debug) |
585 | zlog_debug( | |
586 | "%s: %s loses to %s due to same MM seq %u and higher IP %s", | |
587 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
588 | inet_ntoa(new->attr->nexthop)); | |
589 | return 0; | |
590 | } | |
d62a17ae | 591 | } |
9fbdd100 | 592 | |
d62a17ae | 593 | /* 1. Weight check. */ |
d62a17ae | 594 | new_weight = newattr->weight; |
595 | exist_weight = existattr->weight; | |
8ff56318 | 596 | |
d62a17ae | 597 | if (new_weight > exist_weight) { |
fdf81fa0 | 598 | *reason = bgp_path_selection_weight; |
d62a17ae | 599 | if (debug) |
600 | zlog_debug("%s: %s wins over %s due to weight %d > %d", | |
601 | pfx_buf, new_buf, exist_buf, new_weight, | |
602 | exist_weight); | |
603 | return 1; | |
604 | } | |
718e3744 | 605 | |
d62a17ae | 606 | if (new_weight < exist_weight) { |
fdf81fa0 | 607 | *reason = bgp_path_selection_weight; |
d62a17ae | 608 | if (debug) |
609 | zlog_debug("%s: %s loses to %s due to weight %d < %d", | |
610 | pfx_buf, new_buf, exist_buf, new_weight, | |
611 | exist_weight); | |
612 | return 0; | |
613 | } | |
9fbdd100 | 614 | |
d62a17ae | 615 | /* 2. Local preference check. */ |
616 | new_pref = exist_pref = bgp->default_local_pref; | |
617 | ||
618 | if (newattr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) | |
619 | new_pref = newattr->local_pref; | |
620 | if (existattr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) | |
621 | exist_pref = existattr->local_pref; | |
622 | ||
623 | if (new_pref > exist_pref) { | |
fdf81fa0 | 624 | *reason = bgp_path_selection_local_pref; |
d62a17ae | 625 | if (debug) |
626 | zlog_debug( | |
627 | "%s: %s wins over %s due to localpref %d > %d", | |
628 | pfx_buf, new_buf, exist_buf, new_pref, | |
629 | exist_pref); | |
630 | return 1; | |
631 | } | |
718e3744 | 632 | |
d62a17ae | 633 | if (new_pref < exist_pref) { |
fdf81fa0 | 634 | *reason = bgp_path_selection_local_pref; |
d62a17ae | 635 | if (debug) |
636 | zlog_debug( | |
637 | "%s: %s loses to %s due to localpref %d < %d", | |
638 | pfx_buf, new_buf, exist_buf, new_pref, | |
639 | exist_pref); | |
640 | return 0; | |
641 | } | |
9fbdd100 | 642 | |
d62a17ae | 643 | /* 3. Local route check. We prefer: |
644 | * - BGP_ROUTE_STATIC | |
645 | * - BGP_ROUTE_AGGREGATE | |
646 | * - BGP_ROUTE_REDISTRIBUTE | |
647 | */ | |
90f4f482 | 648 | if (!(new->sub_type == BGP_ROUTE_NORMAL || |
649 | new->sub_type == BGP_ROUTE_IMPORTED)) { | |
fdf81fa0 | 650 | *reason = bgp_path_selection_local_route; |
d62a17ae | 651 | if (debug) |
652 | zlog_debug( | |
653 | "%s: %s wins over %s due to preferred BGP_ROUTE type", | |
654 | pfx_buf, new_buf, exist_buf); | |
655 | return 1; | |
656 | } | |
718e3744 | 657 | |
90f4f482 | 658 | if (!(exist->sub_type == BGP_ROUTE_NORMAL || |
88493076 | 659 | exist->sub_type == BGP_ROUTE_IMPORTED)) { |
fdf81fa0 | 660 | *reason = bgp_path_selection_local_route; |
d62a17ae | 661 | if (debug) |
662 | zlog_debug( | |
663 | "%s: %s loses to %s due to preferred BGP_ROUTE type", | |
664 | pfx_buf, new_buf, exist_buf); | |
665 | return 0; | |
6811845b | 666 | } |
718e3744 | 667 | |
d62a17ae | 668 | /* 4. AS path length check. */ |
669 | if (!bgp_flag_check(bgp, BGP_FLAG_ASPATH_IGNORE)) { | |
670 | int exist_hops = aspath_count_hops(existattr->aspath); | |
671 | int exist_confeds = aspath_count_confeds(existattr->aspath); | |
672 | ||
673 | if (bgp_flag_check(bgp, BGP_FLAG_ASPATH_CONFED)) { | |
674 | int aspath_hops; | |
675 | ||
676 | aspath_hops = aspath_count_hops(newattr->aspath); | |
677 | aspath_hops += aspath_count_confeds(newattr->aspath); | |
678 | ||
679 | if (aspath_hops < (exist_hops + exist_confeds)) { | |
fdf81fa0 | 680 | *reason = bgp_path_selection_confed_as_path; |
d62a17ae | 681 | if (debug) |
682 | zlog_debug( | |
683 | "%s: %s wins over %s due to aspath (with confeds) hopcount %d < %d", | |
684 | pfx_buf, new_buf, exist_buf, | |
685 | aspath_hops, | |
686 | (exist_hops + exist_confeds)); | |
687 | return 1; | |
688 | } | |
689 | ||
690 | if (aspath_hops > (exist_hops + exist_confeds)) { | |
fdf81fa0 | 691 | *reason = bgp_path_selection_confed_as_path; |
d62a17ae | 692 | if (debug) |
693 | zlog_debug( | |
694 | "%s: %s loses to %s due to aspath (with confeds) hopcount %d > %d", | |
695 | pfx_buf, new_buf, exist_buf, | |
696 | aspath_hops, | |
697 | (exist_hops + exist_confeds)); | |
698 | return 0; | |
699 | } | |
700 | } else { | |
701 | int newhops = aspath_count_hops(newattr->aspath); | |
702 | ||
703 | if (newhops < exist_hops) { | |
fdf81fa0 | 704 | *reason = bgp_path_selection_as_path; |
d62a17ae | 705 | if (debug) |
706 | zlog_debug( | |
707 | "%s: %s wins over %s due to aspath hopcount %d < %d", | |
708 | pfx_buf, new_buf, exist_buf, | |
709 | newhops, exist_hops); | |
710 | return 1; | |
711 | } | |
712 | ||
713 | if (newhops > exist_hops) { | |
fdf81fa0 | 714 | *reason = bgp_path_selection_as_path; |
d62a17ae | 715 | if (debug) |
716 | zlog_debug( | |
717 | "%s: %s loses to %s due to aspath hopcount %d > %d", | |
718 | pfx_buf, new_buf, exist_buf, | |
719 | newhops, exist_hops); | |
720 | return 0; | |
721 | } | |
722 | } | |
723 | } | |
9fbdd100 | 724 | |
d62a17ae | 725 | /* 5. Origin check. */ |
726 | if (newattr->origin < existattr->origin) { | |
fdf81fa0 | 727 | *reason = bgp_path_selection_origin; |
d62a17ae | 728 | if (debug) |
729 | zlog_debug("%s: %s wins over %s due to ORIGIN %s < %s", | |
730 | pfx_buf, new_buf, exist_buf, | |
731 | bgp_origin_long_str[newattr->origin], | |
732 | bgp_origin_long_str[existattr->origin]); | |
733 | return 1; | |
734 | } | |
718e3744 | 735 | |
d62a17ae | 736 | if (newattr->origin > existattr->origin) { |
fdf81fa0 | 737 | *reason = bgp_path_selection_origin; |
d62a17ae | 738 | if (debug) |
739 | zlog_debug("%s: %s loses to %s due to ORIGIN %s > %s", | |
740 | pfx_buf, new_buf, exist_buf, | |
741 | bgp_origin_long_str[newattr->origin], | |
742 | bgp_origin_long_str[existattr->origin]); | |
743 | return 0; | |
744 | } | |
718e3744 | 745 | |
d62a17ae | 746 | /* 6. MED check. */ |
747 | internal_as_route = (aspath_count_hops(newattr->aspath) == 0 | |
748 | && aspath_count_hops(existattr->aspath) == 0); | |
749 | confed_as_route = (aspath_count_confeds(newattr->aspath) > 0 | |
750 | && aspath_count_confeds(existattr->aspath) > 0 | |
751 | && aspath_count_hops(newattr->aspath) == 0 | |
752 | && aspath_count_hops(existattr->aspath) == 0); | |
753 | ||
754 | if (bgp_flag_check(bgp, BGP_FLAG_ALWAYS_COMPARE_MED) | |
755 | || (bgp_flag_check(bgp, BGP_FLAG_MED_CONFED) && confed_as_route) | |
756 | || aspath_cmp_left(newattr->aspath, existattr->aspath) | |
757 | || aspath_cmp_left_confed(newattr->aspath, existattr->aspath) | |
758 | || internal_as_route) { | |
759 | new_med = bgp_med_value(new->attr, bgp); | |
760 | exist_med = bgp_med_value(exist->attr, bgp); | |
761 | ||
762 | if (new_med < exist_med) { | |
fdf81fa0 | 763 | *reason = bgp_path_selection_med; |
d62a17ae | 764 | if (debug) |
765 | zlog_debug( | |
766 | "%s: %s wins over %s due to MED %d < %d", | |
767 | pfx_buf, new_buf, exist_buf, new_med, | |
768 | exist_med); | |
769 | return 1; | |
770 | } | |
8ff56318 | 771 | |
d62a17ae | 772 | if (new_med > exist_med) { |
fdf81fa0 | 773 | *reason = bgp_path_selection_med; |
d62a17ae | 774 | if (debug) |
775 | zlog_debug( | |
776 | "%s: %s loses to %s due to MED %d > %d", | |
777 | pfx_buf, new_buf, exist_buf, new_med, | |
778 | exist_med); | |
779 | return 0; | |
780 | } | |
781 | } | |
9fbdd100 | 782 | |
d62a17ae | 783 | /* 7. Peer type check. */ |
784 | new_sort = new->peer->sort; | |
785 | exist_sort = exist->peer->sort; | |
786 | ||
787 | if (new_sort == BGP_PEER_EBGP | |
788 | && (exist_sort == BGP_PEER_IBGP || exist_sort == BGP_PEER_CONFED)) { | |
fdf81fa0 | 789 | *reason = bgp_path_selection_peer; |
d62a17ae | 790 | if (debug) |
791 | zlog_debug( | |
792 | "%s: %s wins over %s due to eBGP peer > iBGP peer", | |
793 | pfx_buf, new_buf, exist_buf); | |
794 | return 1; | |
795 | } | |
718e3744 | 796 | |
d62a17ae | 797 | if (exist_sort == BGP_PEER_EBGP |
798 | && (new_sort == BGP_PEER_IBGP || new_sort == BGP_PEER_CONFED)) { | |
fdf81fa0 | 799 | *reason = bgp_path_selection_peer; |
d62a17ae | 800 | if (debug) |
801 | zlog_debug( | |
802 | "%s: %s loses to %s due to iBGP peer < eBGP peer", | |
803 | pfx_buf, new_buf, exist_buf); | |
804 | return 0; | |
805 | } | |
8ff56318 | 806 | |
d62a17ae | 807 | /* 8. IGP metric check. */ |
808 | newm = existm = 0; | |
8ff56318 | 809 | |
d62a17ae | 810 | if (new->extra) |
811 | newm = new->extra->igpmetric; | |
812 | if (exist->extra) | |
813 | existm = exist->extra->igpmetric; | |
9fbdd100 | 814 | |
d62a17ae | 815 | if (newm < existm) { |
816 | if (debug) | |
817 | zlog_debug( | |
818 | "%s: %s wins over %s due to IGP metric %d < %d", | |
819 | pfx_buf, new_buf, exist_buf, newm, existm); | |
820 | ret = 1; | |
821 | } | |
718e3744 | 822 | |
d62a17ae | 823 | if (newm > existm) { |
824 | if (debug) | |
825 | zlog_debug( | |
826 | "%s: %s loses to %s due to IGP metric %d > %d", | |
827 | pfx_buf, new_buf, exist_buf, newm, existm); | |
828 | ret = 0; | |
5e242b0d | 829 | } |
5e242b0d | 830 | |
d62a17ae | 831 | /* 9. Same IGP metric. Compare the cluster list length as |
832 | representative of IGP hops metric. Rewrite the metric value | |
833 | pair (newm, existm) with the cluster list length. Prefer the | |
834 | path with smaller cluster list length. */ | |
835 | if (newm == existm) { | |
836 | if (peer_sort(new->peer) == BGP_PEER_IBGP | |
837 | && peer_sort(exist->peer) == BGP_PEER_IBGP | |
838 | && (mpath_cfg == NULL | |
839 | || CHECK_FLAG( | |
840 | mpath_cfg->ibgp_flags, | |
841 | BGP_FLAG_IBGP_MULTIPATH_SAME_CLUSTERLEN))) { | |
842 | newm = BGP_CLUSTER_LIST_LENGTH(new->attr); | |
843 | existm = BGP_CLUSTER_LIST_LENGTH(exist->attr); | |
844 | ||
845 | if (newm < existm) { | |
846 | if (debug) | |
847 | zlog_debug( | |
848 | "%s: %s wins over %s due to CLUSTER_LIST length %d < %d", | |
849 | pfx_buf, new_buf, exist_buf, | |
850 | newm, existm); | |
851 | ret = 1; | |
852 | } | |
853 | ||
854 | if (newm > existm) { | |
855 | if (debug) | |
856 | zlog_debug( | |
857 | "%s: %s loses to %s due to CLUSTER_LIST length %d > %d", | |
858 | pfx_buf, new_buf, exist_buf, | |
859 | newm, existm); | |
860 | ret = 0; | |
861 | } | |
862 | } | |
863 | } | |
31a4638f | 864 | |
d62a17ae | 865 | /* 10. confed-external vs. confed-internal */ |
866 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) { | |
867 | if (new_sort == BGP_PEER_CONFED | |
868 | && exist_sort == BGP_PEER_IBGP) { | |
fdf81fa0 | 869 | *reason = bgp_path_selection_confed; |
d62a17ae | 870 | if (debug) |
871 | zlog_debug( | |
872 | "%s: %s wins over %s due to confed-external peer > confed-internal peer", | |
873 | pfx_buf, new_buf, exist_buf); | |
874 | return 1; | |
875 | } | |
718e3744 | 876 | |
d62a17ae | 877 | if (exist_sort == BGP_PEER_CONFED |
878 | && new_sort == BGP_PEER_IBGP) { | |
fdf81fa0 | 879 | *reason = bgp_path_selection_confed; |
d62a17ae | 880 | if (debug) |
881 | zlog_debug( | |
882 | "%s: %s loses to %s due to confed-internal peer < confed-external peer", | |
883 | pfx_buf, new_buf, exist_buf); | |
884 | return 0; | |
885 | } | |
886 | } | |
718e3744 | 887 | |
d62a17ae | 888 | /* 11. Maximum path check. */ |
889 | if (newm == existm) { | |
890 | /* If one path has a label but the other does not, do not treat | |
891 | * them as equals for multipath | |
892 | */ | |
a4d82a8a | 893 | if ((new->extra &&bgp_is_valid_label(&new->extra->label[0])) |
d62a17ae | 894 | != (exist->extra |
b57ba6d2 | 895 | && bgp_is_valid_label(&exist->extra->label[0]))) { |
d62a17ae | 896 | if (debug) |
897 | zlog_debug( | |
898 | "%s: %s and %s cannot be multipath, one has a label while the other does not", | |
899 | pfx_buf, new_buf, exist_buf); | |
900 | } else if (bgp_flag_check(bgp, | |
901 | BGP_FLAG_ASPATH_MULTIPATH_RELAX)) { | |
902 | ||
903 | /* | |
904 | * For the two paths, all comparison steps till IGP | |
905 | * metric | |
906 | * have succeeded - including AS_PATH hop count. Since | |
907 | * 'bgp | |
908 | * bestpath as-path multipath-relax' knob is on, we | |
909 | * don't need | |
910 | * an exact match of AS_PATH. Thus, mark the paths are | |
911 | * equal. | |
912 | * That will trigger both these paths to get into the | |
913 | * multipath | |
914 | * array. | |
915 | */ | |
916 | *paths_eq = 1; | |
917 | ||
918 | if (debug) | |
919 | zlog_debug( | |
920 | "%s: %s and %s are equal via multipath-relax", | |
921 | pfx_buf, new_buf, exist_buf); | |
922 | } else if (new->peer->sort == BGP_PEER_IBGP) { | |
923 | if (aspath_cmp(new->attr->aspath, | |
924 | exist->attr->aspath)) { | |
925 | *paths_eq = 1; | |
926 | ||
927 | if (debug) | |
928 | zlog_debug( | |
929 | "%s: %s and %s are equal via matching aspaths", | |
930 | pfx_buf, new_buf, exist_buf); | |
931 | } | |
932 | } else if (new->peer->as == exist->peer->as) { | |
933 | *paths_eq = 1; | |
934 | ||
935 | if (debug) | |
936 | zlog_debug( | |
937 | "%s: %s and %s are equal via same remote-as", | |
938 | pfx_buf, new_buf, exist_buf); | |
939 | } | |
940 | } else { | |
941 | /* | |
942 | * TODO: If unequal cost ibgp multipath is enabled we can | |
943 | * mark the paths as equal here instead of returning | |
944 | */ | |
945 | if (debug) { | |
946 | if (ret == 1) | |
947 | zlog_debug( | |
948 | "%s: %s wins over %s after IGP metric comparison", | |
949 | pfx_buf, new_buf, exist_buf); | |
950 | else | |
951 | zlog_debug( | |
952 | "%s: %s loses to %s after IGP metric comparison", | |
953 | pfx_buf, new_buf, exist_buf); | |
954 | } | |
fdf81fa0 | 955 | *reason = bgp_path_selection_igp_metric; |
d62a17ae | 956 | return ret; |
957 | } | |
718e3744 | 958 | |
d62a17ae | 959 | /* 12. If both paths are external, prefer the path that was received |
960 | first (the oldest one). This step minimizes route-flap, since a | |
961 | newer path won't displace an older one, even if it was the | |
962 | preferred route based on the additional decision criteria below. */ | |
963 | if (!bgp_flag_check(bgp, BGP_FLAG_COMPARE_ROUTER_ID) | |
964 | && new_sort == BGP_PEER_EBGP && exist_sort == BGP_PEER_EBGP) { | |
1defdda8 | 965 | if (CHECK_FLAG(new->flags, BGP_PATH_SELECTED)) { |
fdf81fa0 | 966 | *reason = bgp_path_selection_older; |
d62a17ae | 967 | if (debug) |
968 | zlog_debug( | |
969 | "%s: %s wins over %s due to oldest external", | |
970 | pfx_buf, new_buf, exist_buf); | |
971 | return 1; | |
972 | } | |
9fbdd100 | 973 | |
1defdda8 | 974 | if (CHECK_FLAG(exist->flags, BGP_PATH_SELECTED)) { |
fdf81fa0 | 975 | *reason = bgp_path_selection_older; |
d62a17ae | 976 | if (debug) |
977 | zlog_debug( | |
978 | "%s: %s loses to %s due to oldest external", | |
979 | pfx_buf, new_buf, exist_buf); | |
980 | return 0; | |
981 | } | |
982 | } | |
718e3744 | 983 | |
d62a17ae | 984 | /* 13. Router-ID comparision. */ |
985 | /* If one of the paths is "stale", the corresponding peer router-id will | |
986 | * be 0 and would always win over the other path. If originator id is | |
987 | * used for the comparision, it will decide which path is better. | |
988 | */ | |
989 | if (newattr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) | |
990 | new_id.s_addr = newattr->originator_id.s_addr; | |
991 | else | |
992 | new_id.s_addr = new->peer->remote_id.s_addr; | |
993 | if (existattr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) | |
994 | exist_id.s_addr = existattr->originator_id.s_addr; | |
995 | else | |
996 | exist_id.s_addr = exist->peer->remote_id.s_addr; | |
997 | ||
998 | if (ntohl(new_id.s_addr) < ntohl(exist_id.s_addr)) { | |
fdf81fa0 | 999 | *reason = bgp_path_selection_router_id; |
d62a17ae | 1000 | if (debug) |
1001 | zlog_debug( | |
1002 | "%s: %s wins over %s due to Router-ID comparison", | |
1003 | pfx_buf, new_buf, exist_buf); | |
1004 | return 1; | |
1005 | } | |
718e3744 | 1006 | |
d62a17ae | 1007 | if (ntohl(new_id.s_addr) > ntohl(exist_id.s_addr)) { |
fdf81fa0 | 1008 | *reason = bgp_path_selection_router_id; |
d62a17ae | 1009 | if (debug) |
1010 | zlog_debug( | |
1011 | "%s: %s loses to %s due to Router-ID comparison", | |
1012 | pfx_buf, new_buf, exist_buf); | |
1013 | return 0; | |
1014 | } | |
9fbdd100 | 1015 | |
d62a17ae | 1016 | /* 14. Cluster length comparision. */ |
1017 | new_cluster = BGP_CLUSTER_LIST_LENGTH(new->attr); | |
1018 | exist_cluster = BGP_CLUSTER_LIST_LENGTH(exist->attr); | |
1019 | ||
1020 | if (new_cluster < exist_cluster) { | |
fdf81fa0 | 1021 | *reason = bgp_path_selection_cluster_length; |
d62a17ae | 1022 | if (debug) |
1023 | zlog_debug( | |
1024 | "%s: %s wins over %s due to CLUSTER_LIST length %d < %d", | |
1025 | pfx_buf, new_buf, exist_buf, new_cluster, | |
1026 | exist_cluster); | |
1027 | return 1; | |
1028 | } | |
718e3744 | 1029 | |
d62a17ae | 1030 | if (new_cluster > exist_cluster) { |
fdf81fa0 | 1031 | *reason = bgp_path_selection_cluster_length; |
d62a17ae | 1032 | if (debug) |
1033 | zlog_debug( | |
1034 | "%s: %s loses to %s due to CLUSTER_LIST length %d > %d", | |
1035 | pfx_buf, new_buf, exist_buf, new_cluster, | |
1036 | exist_cluster); | |
1037 | return 0; | |
1038 | } | |
9fbdd100 | 1039 | |
d62a17ae | 1040 | /* 15. Neighbor address comparision. */ |
1041 | /* Do this only if neither path is "stale" as stale paths do not have | |
1042 | * valid peer information (as the connection may or may not be up). | |
1043 | */ | |
1defdda8 | 1044 | if (CHECK_FLAG(exist->flags, BGP_PATH_STALE)) { |
fdf81fa0 | 1045 | *reason = bgp_path_selection_stale; |
d62a17ae | 1046 | if (debug) |
1047 | zlog_debug( | |
1048 | "%s: %s wins over %s due to latter path being STALE", | |
1049 | pfx_buf, new_buf, exist_buf); | |
1050 | return 1; | |
1051 | } | |
0de5153c | 1052 | |
1defdda8 | 1053 | if (CHECK_FLAG(new->flags, BGP_PATH_STALE)) { |
fdf81fa0 | 1054 | *reason = bgp_path_selection_stale; |
d62a17ae | 1055 | if (debug) |
1056 | zlog_debug( | |
1057 | "%s: %s loses to %s due to former path being STALE", | |
1058 | pfx_buf, new_buf, exist_buf); | |
1059 | return 0; | |
1060 | } | |
718e3744 | 1061 | |
d62a17ae | 1062 | /* locally configured routes to advertise do not have su_remote */ |
fdf81fa0 DS |
1063 | if (new->peer->su_remote == NULL) { |
1064 | *reason = bgp_path_selection_local_configured; | |
d62a17ae | 1065 | return 0; |
fdf81fa0 DS |
1066 | } |
1067 | if (exist->peer->su_remote == NULL) { | |
1068 | *reason = bgp_path_selection_local_configured; | |
d62a17ae | 1069 | return 1; |
fdf81fa0 | 1070 | } |
9fbdd100 | 1071 | |
d62a17ae | 1072 | ret = sockunion_cmp(new->peer->su_remote, exist->peer->su_remote); |
1073 | ||
1074 | if (ret == 1) { | |
fdf81fa0 | 1075 | *reason = bgp_path_selection_neighbor_ip; |
d62a17ae | 1076 | if (debug) |
1077 | zlog_debug( | |
1078 | "%s: %s loses to %s due to Neighor IP comparison", | |
1079 | pfx_buf, new_buf, exist_buf); | |
1080 | return 0; | |
1081 | } | |
1082 | ||
1083 | if (ret == -1) { | |
fdf81fa0 | 1084 | *reason = bgp_path_selection_neighbor_ip; |
d62a17ae | 1085 | if (debug) |
1086 | zlog_debug( | |
1087 | "%s: %s wins over %s due to Neighor IP comparison", | |
1088 | pfx_buf, new_buf, exist_buf); | |
1089 | return 1; | |
1090 | } | |
9fbdd100 | 1091 | |
fdf81fa0 | 1092 | *reason = bgp_path_selection_default; |
d62a17ae | 1093 | if (debug) |
1094 | zlog_debug("%s: %s wins over %s due to nothing left to compare", | |
1095 | pfx_buf, new_buf, exist_buf); | |
718e3744 | 1096 | |
d62a17ae | 1097 | return 1; |
718e3744 | 1098 | } |
1099 | ||
65efcfce LB |
1100 | /* Compare two bgp route entity. Return -1 if new is preferred, 1 if exist |
1101 | * is preferred, or 0 if they are the same (usually will only occur if | |
d62a17ae | 1102 | * multipath is enabled |
65efcfce | 1103 | * This version is compatible with */ |
18ee8310 DS |
1104 | int bgp_path_info_cmp_compatible(struct bgp *bgp, struct bgp_path_info *new, |
1105 | struct bgp_path_info *exist, char *pfx_buf, | |
fdf81fa0 DS |
1106 | afi_t afi, safi_t safi, |
1107 | enum bgp_path_selection_reason *reason) | |
d62a17ae | 1108 | { |
1109 | int paths_eq; | |
1110 | int ret; | |
18ee8310 | 1111 | ret = bgp_path_info_cmp(bgp, new, exist, &paths_eq, NULL, 0, pfx_buf, |
fdf81fa0 | 1112 | afi, safi, reason); |
d62a17ae | 1113 | |
1114 | if (paths_eq) | |
1115 | ret = 0; | |
1116 | else { | |
1117 | if (ret == 1) | |
1118 | ret = -1; | |
1119 | else | |
1120 | ret = 1; | |
1121 | } | |
1122 | return ret; | |
65efcfce LB |
1123 | } |
1124 | ||
d62a17ae | 1125 | static enum filter_type bgp_input_filter(struct peer *peer, struct prefix *p, |
1126 | struct attr *attr, afi_t afi, | |
1127 | safi_t safi) | |
718e3744 | 1128 | { |
d62a17ae | 1129 | struct bgp_filter *filter; |
718e3744 | 1130 | |
d62a17ae | 1131 | filter = &peer->filter[afi][safi]; |
718e3744 | 1132 | |
d62a17ae | 1133 | #define FILTER_EXIST_WARN(F, f, filter) \ |
1134 | if (BGP_DEBUG(update, UPDATE_IN) && !(F##_IN(filter))) \ | |
d8d084d9 DS |
1135 | zlog_debug("%s: Could not find configured input %s-list %s!", \ |
1136 | peer->host, #f, F##_IN_NAME(filter)); | |
d62a17ae | 1137 | |
1138 | if (DISTRIBUTE_IN_NAME(filter)) { | |
1139 | FILTER_EXIST_WARN(DISTRIBUTE, distribute, filter); | |
1140 | ||
1141 | if (access_list_apply(DISTRIBUTE_IN(filter), p) == FILTER_DENY) | |
1142 | return FILTER_DENY; | |
1143 | } | |
1144 | ||
1145 | if (PREFIX_LIST_IN_NAME(filter)) { | |
1146 | FILTER_EXIST_WARN(PREFIX_LIST, prefix, filter); | |
1147 | ||
1148 | if (prefix_list_apply(PREFIX_LIST_IN(filter), p) == PREFIX_DENY) | |
1149 | return FILTER_DENY; | |
1150 | } | |
1151 | ||
1152 | if (FILTER_LIST_IN_NAME(filter)) { | |
1153 | FILTER_EXIST_WARN(FILTER_LIST, as, filter); | |
1154 | ||
1155 | if (as_list_apply(FILTER_LIST_IN(filter), attr->aspath) | |
1156 | == AS_FILTER_DENY) | |
1157 | return FILTER_DENY; | |
1158 | } | |
1159 | ||
1160 | return FILTER_PERMIT; | |
650f76c2 | 1161 | #undef FILTER_EXIST_WARN |
718e3744 | 1162 | } |
1163 | ||
d62a17ae | 1164 | static enum filter_type bgp_output_filter(struct peer *peer, struct prefix *p, |
1165 | struct attr *attr, afi_t afi, | |
1166 | safi_t safi) | |
718e3744 | 1167 | { |
d62a17ae | 1168 | struct bgp_filter *filter; |
1169 | ||
1170 | filter = &peer->filter[afi][safi]; | |
1171 | ||
1172 | #define FILTER_EXIST_WARN(F, f, filter) \ | |
1173 | if (BGP_DEBUG(update, UPDATE_OUT) && !(F##_OUT(filter))) \ | |
d8d084d9 DS |
1174 | zlog_debug("%s: Could not find configured output %s-list %s!", \ |
1175 | peer->host, #f, F##_OUT_NAME(filter)); | |
718e3744 | 1176 | |
d62a17ae | 1177 | if (DISTRIBUTE_OUT_NAME(filter)) { |
1178 | FILTER_EXIST_WARN(DISTRIBUTE, distribute, filter); | |
718e3744 | 1179 | |
d62a17ae | 1180 | if (access_list_apply(DISTRIBUTE_OUT(filter), p) == FILTER_DENY) |
1181 | return FILTER_DENY; | |
1182 | } | |
1183 | ||
1184 | if (PREFIX_LIST_OUT_NAME(filter)) { | |
1185 | FILTER_EXIST_WARN(PREFIX_LIST, prefix, filter); | |
650f76c2 | 1186 | |
d62a17ae | 1187 | if (prefix_list_apply(PREFIX_LIST_OUT(filter), p) |
1188 | == PREFIX_DENY) | |
1189 | return FILTER_DENY; | |
1190 | } | |
718e3744 | 1191 | |
d62a17ae | 1192 | if (FILTER_LIST_OUT_NAME(filter)) { |
1193 | FILTER_EXIST_WARN(FILTER_LIST, as, filter); | |
718e3744 | 1194 | |
d62a17ae | 1195 | if (as_list_apply(FILTER_LIST_OUT(filter), attr->aspath) |
1196 | == AS_FILTER_DENY) | |
1197 | return FILTER_DENY; | |
1198 | } | |
718e3744 | 1199 | |
d62a17ae | 1200 | return FILTER_PERMIT; |
650f76c2 | 1201 | #undef FILTER_EXIST_WARN |
718e3744 | 1202 | } |
1203 | ||
1204 | /* If community attribute includes no_export then return 1. */ | |
d62a17ae | 1205 | static int bgp_community_filter(struct peer *peer, struct attr *attr) |
1206 | { | |
1207 | if (attr->community) { | |
1208 | /* NO_ADVERTISE check. */ | |
1209 | if (community_include(attr->community, COMMUNITY_NO_ADVERTISE)) | |
1210 | return 1; | |
1211 | ||
1212 | /* NO_EXPORT check. */ | |
1213 | if (peer->sort == BGP_PEER_EBGP | |
1214 | && community_include(attr->community, COMMUNITY_NO_EXPORT)) | |
1215 | return 1; | |
1216 | ||
1217 | /* NO_EXPORT_SUBCONFED check. */ | |
1218 | if (peer->sort == BGP_PEER_EBGP | |
1219 | || peer->sort == BGP_PEER_CONFED) | |
1220 | if (community_include(attr->community, | |
1221 | COMMUNITY_NO_EXPORT_SUBCONFED)) | |
1222 | return 1; | |
1223 | } | |
1224 | return 0; | |
718e3744 | 1225 | } |
1226 | ||
1227 | /* Route reflection loop check. */ | |
d62a17ae | 1228 | static int bgp_cluster_filter(struct peer *peer, struct attr *attr) |
718e3744 | 1229 | { |
d62a17ae | 1230 | struct in_addr cluster_id; |
718e3744 | 1231 | |
d62a17ae | 1232 | if (attr->cluster) { |
1233 | if (peer->bgp->config & BGP_CONFIG_CLUSTER_ID) | |
1234 | cluster_id = peer->bgp->cluster_id; | |
1235 | else | |
1236 | cluster_id = peer->bgp->router_id; | |
1237 | ||
1238 | if (cluster_loop_check(attr->cluster, cluster_id)) | |
1239 | return 1; | |
1240 | } | |
1241 | return 0; | |
718e3744 | 1242 | } |
6b0655a2 | 1243 | |
d62a17ae | 1244 | static int bgp_input_modifier(struct peer *peer, struct prefix *p, |
1245 | struct attr *attr, afi_t afi, safi_t safi, | |
82b692c0 LK |
1246 | const char *rmap_name, mpls_label_t *label, |
1247 | uint32_t num_labels) | |
718e3744 | 1248 | { |
d62a17ae | 1249 | struct bgp_filter *filter; |
82b692c0 LK |
1250 | struct bgp_path_info rmap_path = { 0 }; |
1251 | struct bgp_path_info_extra extra = { 0 }; | |
d62a17ae | 1252 | route_map_result_t ret; |
1253 | struct route_map *rmap = NULL; | |
718e3744 | 1254 | |
d62a17ae | 1255 | filter = &peer->filter[afi][safi]; |
718e3744 | 1256 | |
d62a17ae | 1257 | /* Apply default weight value. */ |
1258 | if (peer->weight[afi][safi]) | |
1259 | attr->weight = peer->weight[afi][safi]; | |
718e3744 | 1260 | |
d62a17ae | 1261 | if (rmap_name) { |
1262 | rmap = route_map_lookup_by_name(rmap_name); | |
98a4a44e | 1263 | |
d62a17ae | 1264 | if (rmap == NULL) |
1265 | return RMAP_DENY; | |
1266 | } else { | |
1267 | if (ROUTE_MAP_IN_NAME(filter)) { | |
1268 | rmap = ROUTE_MAP_IN(filter); | |
98a4a44e | 1269 | |
d62a17ae | 1270 | if (rmap == NULL) |
1271 | return RMAP_DENY; | |
1272 | } | |
1273 | } | |
0b16f239 | 1274 | |
d62a17ae | 1275 | /* Route map apply. */ |
1276 | if (rmap) { | |
40381db7 | 1277 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
d62a17ae | 1278 | /* Duplicate current value to new strucutre for modification. */ |
40381db7 DS |
1279 | rmap_path.peer = peer; |
1280 | rmap_path.attr = attr; | |
82b692c0 LK |
1281 | rmap_path.extra = &extra; |
1282 | extra.num_labels = num_labels; | |
1283 | if (label && num_labels && num_labels <= BGP_MAX_LABELS) | |
1284 | memcpy(extra.label, label, | |
1285 | num_labels * sizeof(mpls_label_t)); | |
718e3744 | 1286 | |
d62a17ae | 1287 | SET_FLAG(peer->rmap_type, PEER_RMAP_TYPE_IN); |
ac41b2a2 | 1288 | |
d62a17ae | 1289 | /* Apply BGP route map to the attribute. */ |
40381db7 | 1290 | ret = route_map_apply(rmap, p, RMAP_BGP, &rmap_path); |
0b16f239 | 1291 | |
d62a17ae | 1292 | peer->rmap_type = 0; |
0b16f239 | 1293 | |
1f2263be | 1294 | if (ret == RMAP_DENYMATCH) |
d62a17ae | 1295 | return RMAP_DENY; |
0b16f239 | 1296 | } |
d62a17ae | 1297 | return RMAP_PERMIT; |
0b16f239 DS |
1298 | } |
1299 | ||
d62a17ae | 1300 | static int bgp_output_modifier(struct peer *peer, struct prefix *p, |
1301 | struct attr *attr, afi_t afi, safi_t safi, | |
1302 | const char *rmap_name) | |
0b16f239 | 1303 | { |
40381db7 | 1304 | struct bgp_path_info rmap_path; |
d62a17ae | 1305 | route_map_result_t ret; |
1306 | struct route_map *rmap = NULL; | |
d7c0a89a | 1307 | uint8_t rmap_type; |
0b16f239 | 1308 | |
b787157a DS |
1309 | /* |
1310 | * So if we get to this point and have no rmap_name | |
1311 | * we want to just show the output as it currently | |
1312 | * exists. | |
1313 | */ | |
1314 | if (!rmap_name) | |
1315 | return RMAP_PERMIT; | |
0b16f239 | 1316 | |
d62a17ae | 1317 | /* Apply default weight value. */ |
1318 | if (peer->weight[afi][safi]) | |
1319 | attr->weight = peer->weight[afi][safi]; | |
0b16f239 | 1320 | |
b787157a | 1321 | rmap = route_map_lookup_by_name(rmap_name); |
98a4a44e | 1322 | |
b787157a DS |
1323 | /* |
1324 | * If we have a route map name and we do not find | |
1325 | * the routemap that means we have an implicit | |
1326 | * deny. | |
1327 | */ | |
1328 | if (rmap == NULL) | |
1329 | return RMAP_DENY; | |
0b16f239 | 1330 | |
40381db7 | 1331 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
d62a17ae | 1332 | /* Route map apply. */ |
b787157a | 1333 | /* Duplicate current value to new strucutre for modification. */ |
40381db7 DS |
1334 | rmap_path.peer = peer; |
1335 | rmap_path.attr = attr; | |
0b16f239 | 1336 | |
0f672529 | 1337 | rmap_type = peer->rmap_type; |
b787157a | 1338 | SET_FLAG(peer->rmap_type, PEER_RMAP_TYPE_OUT); |
0b16f239 | 1339 | |
b787157a | 1340 | /* Apply BGP route map to the attribute. */ |
40381db7 | 1341 | ret = route_map_apply(rmap, p, RMAP_BGP, &rmap_path); |
ac41b2a2 | 1342 | |
0f672529 | 1343 | peer->rmap_type = rmap_type; |
b787157a DS |
1344 | |
1345 | if (ret == RMAP_DENYMATCH) | |
1346 | /* | |
1347 | * caller has multiple error paths with bgp_attr_flush() | |
1348 | */ | |
1349 | return RMAP_DENY; | |
ac41b2a2 | 1350 | |
d62a17ae | 1351 | return RMAP_PERMIT; |
718e3744 | 1352 | } |
6b0655a2 | 1353 | |
5000f21c | 1354 | /* If this is an EBGP peer with remove-private-AS */ |
d62a17ae | 1355 | static void bgp_peer_remove_private_as(struct bgp *bgp, afi_t afi, safi_t safi, |
1356 | struct peer *peer, struct attr *attr) | |
1357 | { | |
1358 | if (peer->sort == BGP_PEER_EBGP | |
1359 | && (peer_af_flag_check(peer, afi, safi, | |
1360 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE) | |
1361 | || peer_af_flag_check(peer, afi, safi, | |
1362 | PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE) | |
1363 | || peer_af_flag_check(peer, afi, safi, | |
1364 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL) | |
1365 | || peer_af_flag_check(peer, afi, safi, | |
1366 | PEER_FLAG_REMOVE_PRIVATE_AS))) { | |
1367 | // Take action on the entire aspath | |
1368 | if (peer_af_flag_check(peer, afi, safi, | |
1369 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE) | |
1370 | || peer_af_flag_check(peer, afi, safi, | |
1371 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL)) { | |
1372 | if (peer_af_flag_check( | |
1373 | peer, afi, safi, | |
1374 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE)) | |
1375 | attr->aspath = aspath_replace_private_asns( | |
bf26b80e | 1376 | attr->aspath, bgp->as, peer->as); |
d62a17ae | 1377 | |
1378 | // The entire aspath consists of private ASNs so create | |
1379 | // an empty aspath | |
1380 | else if (aspath_private_as_check(attr->aspath)) | |
1381 | attr->aspath = aspath_empty_get(); | |
1382 | ||
1383 | // There are some public and some private ASNs, remove | |
1384 | // the private ASNs | |
1385 | else | |
1386 | attr->aspath = aspath_remove_private_asns( | |
bf26b80e | 1387 | attr->aspath, peer->as); |
d62a17ae | 1388 | } |
1389 | ||
1390 | // 'all' was not specified so the entire aspath must be private | |
1391 | // ASNs | |
1392 | // for us to do anything | |
1393 | else if (aspath_private_as_check(attr->aspath)) { | |
1394 | if (peer_af_flag_check( | |
1395 | peer, afi, safi, | |
1396 | PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE)) | |
1397 | attr->aspath = aspath_replace_private_asns( | |
bf26b80e | 1398 | attr->aspath, bgp->as, peer->as); |
d62a17ae | 1399 | else |
1400 | attr->aspath = aspath_empty_get(); | |
1401 | } | |
1402 | } | |
5000f21c DS |
1403 | } |
1404 | ||
c7122e14 | 1405 | /* If this is an EBGP peer with as-override */ |
d62a17ae | 1406 | static void bgp_peer_as_override(struct bgp *bgp, afi_t afi, safi_t safi, |
1407 | struct peer *peer, struct attr *attr) | |
1408 | { | |
1409 | if (peer->sort == BGP_PEER_EBGP | |
1410 | && peer_af_flag_check(peer, afi, safi, PEER_FLAG_AS_OVERRIDE)) { | |
1411 | if (aspath_single_asn_check(attr->aspath, peer->as)) | |
1412 | attr->aspath = aspath_replace_specific_asn( | |
1413 | attr->aspath, peer->as, bgp->as); | |
1414 | } | |
1415 | } | |
1416 | ||
7f323236 DW |
1417 | void bgp_attr_add_gshut_community(struct attr *attr) |
1418 | { | |
1419 | struct community *old; | |
1420 | struct community *new; | |
1421 | struct community *merge; | |
1422 | struct community *gshut; | |
1423 | ||
1424 | old = attr->community; | |
1425 | gshut = community_str2com("graceful-shutdown"); | |
1426 | ||
990f4f91 | 1427 | assert(gshut); |
1428 | ||
7f323236 DW |
1429 | if (old) { |
1430 | merge = community_merge(community_dup(old), gshut); | |
1431 | ||
a4d82a8a | 1432 | if (old->refcnt == 0) |
3c1f53de | 1433 | community_free(&old); |
7f323236 DW |
1434 | |
1435 | new = community_uniq_sort(merge); | |
3c1f53de | 1436 | community_free(&merge); |
7f323236 DW |
1437 | } else { |
1438 | new = community_dup(gshut); | |
1439 | } | |
1440 | ||
3c1f53de | 1441 | community_free(&gshut); |
7f323236 DW |
1442 | attr->community = new; |
1443 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_COMMUNITIES); | |
1444 | ||
1445 | /* When we add the graceful-shutdown community we must also | |
1446 | * lower the local-preference */ | |
1447 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
1448 | attr->local_pref = BGP_GSHUT_LOCAL_PREF; | |
1449 | } | |
1450 | ||
1451 | ||
d7c0a89a | 1452 | static void subgroup_announce_reset_nhop(uint8_t family, struct attr *attr) |
c7122e14 | 1453 | { |
960035b2 | 1454 | if (family == AF_INET) { |
d62a17ae | 1455 | attr->nexthop.s_addr = 0; |
960035b2 PZ |
1456 | attr->mp_nexthop_global_in.s_addr = 0; |
1457 | } | |
d62a17ae | 1458 | if (family == AF_INET6) |
1459 | memset(&attr->mp_nexthop_global, 0, IPV6_MAX_BYTELEN); | |
ace295a9 MK |
1460 | if (family == AF_EVPN) |
1461 | memset(&attr->mp_nexthop_global_in, 0, BGP_ATTR_NHLEN_IPV4); | |
c7122e14 DS |
1462 | } |
1463 | ||
40381db7 | 1464 | int subgroup_announce_check(struct bgp_node *rn, struct bgp_path_info *pi, |
d62a17ae | 1465 | struct update_subgroup *subgrp, struct prefix *p, |
1466 | struct attr *attr) | |
1467 | { | |
1468 | struct bgp_filter *filter; | |
1469 | struct peer *from; | |
1470 | struct peer *peer; | |
1471 | struct peer *onlypeer; | |
1472 | struct bgp *bgp; | |
40381db7 | 1473 | struct attr *piattr; |
d62a17ae | 1474 | char buf[PREFIX_STRLEN]; |
b68885f9 | 1475 | route_map_result_t ret; |
d62a17ae | 1476 | int transparent; |
1477 | int reflect; | |
1478 | afi_t afi; | |
1479 | safi_t safi; | |
1480 | int samepeer_safe = 0; /* for synthetic mplsvpns routes */ | |
1481 | ||
1482 | if (DISABLE_BGP_ANNOUNCE) | |
1483 | return 0; | |
1484 | ||
1485 | afi = SUBGRP_AFI(subgrp); | |
1486 | safi = SUBGRP_SAFI(subgrp); | |
1487 | peer = SUBGRP_PEER(subgrp); | |
1488 | onlypeer = NULL; | |
1489 | if (CHECK_FLAG(peer->flags, PEER_FLAG_LONESOUL)) | |
1490 | onlypeer = SUBGRP_PFIRST(subgrp)->peer; | |
1491 | ||
40381db7 | 1492 | from = pi->peer; |
d62a17ae | 1493 | filter = &peer->filter[afi][safi]; |
1494 | bgp = SUBGRP_INST(subgrp); | |
40381db7 DS |
1495 | piattr = bgp_path_info_mpath_count(pi) ? bgp_path_info_mpath_attr(pi) |
1496 | : pi->attr; | |
3f9c7369 | 1497 | |
65efcfce | 1498 | #if ENABLE_BGP_VNC |
d62a17ae | 1499 | if (((afi == AFI_IP) || (afi == AFI_IP6)) && (safi == SAFI_MPLS_VPN) |
40381db7 DS |
1500 | && ((pi->type == ZEBRA_ROUTE_BGP_DIRECT) |
1501 | || (pi->type == ZEBRA_ROUTE_BGP_DIRECT_EXT))) { | |
d62a17ae | 1502 | |
1503 | /* | |
1504 | * direct and direct_ext type routes originate internally even | |
1505 | * though they can have peer pointers that reference other | |
1506 | * systems | |
1507 | */ | |
1508 | prefix2str(p, buf, PREFIX_STRLEN); | |
1509 | zlog_debug("%s: pfx %s bgp_direct->vpn route peer safe", | |
1510 | __func__, buf); | |
1511 | samepeer_safe = 1; | |
1512 | } | |
65efcfce LB |
1513 | #endif |
1514 | ||
ddb5b488 PZ |
1515 | if (((afi == AFI_IP) || (afi == AFI_IP6)) |
1516 | && ((safi == SAFI_MPLS_VPN) || (safi == SAFI_UNICAST)) | |
40381db7 DS |
1517 | && (pi->type == ZEBRA_ROUTE_BGP) |
1518 | && (pi->sub_type == BGP_ROUTE_IMPORTED)) { | |
ddb5b488 PZ |
1519 | |
1520 | /* Applies to routes leaked vpn->vrf and vrf->vpn */ | |
1521 | ||
1522 | samepeer_safe = 1; | |
1523 | } | |
1524 | ||
d62a17ae | 1525 | /* With addpath we may be asked to TX all kinds of paths so make sure |
40381db7 DS |
1526 | * pi is valid */ |
1527 | if (!CHECK_FLAG(pi->flags, BGP_PATH_VALID) | |
1528 | || CHECK_FLAG(pi->flags, BGP_PATH_HISTORY) | |
1529 | || CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 1530 | return 0; |
1531 | } | |
adbac85e | 1532 | |
d62a17ae | 1533 | /* If this is not the bestpath then check to see if there is an enabled |
1534 | * addpath | |
1535 | * feature that requires us to advertise it */ | |
40381db7 | 1536 | if (!CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
dcc68b5e | 1537 | if (!bgp_addpath_tx_path(peer->addpath_type[afi][safi], pi)) { |
d62a17ae | 1538 | return 0; |
1539 | } | |
1540 | } | |
06370dac | 1541 | |
d62a17ae | 1542 | /* Aggregate-address suppress check. */ |
40381db7 | 1543 | if (pi->extra && pi->extra->suppress) |
d62a17ae | 1544 | if (!UNSUPPRESS_MAP_NAME(filter)) { |
1545 | return 0; | |
1546 | } | |
3f9c7369 | 1547 | |
13b7e7f0 DS |
1548 | /* |
1549 | * If we are doing VRF 2 VRF leaking via the import | |
1550 | * statement, we want to prevent the route going | |
1551 | * off box as that the RT and RD created are localy | |
1552 | * significant and globaly useless. | |
1553 | */ | |
40381db7 DS |
1554 | if (safi == SAFI_MPLS_VPN && pi->extra && pi->extra->num_labels |
1555 | && pi->extra->label[0] == BGP_PREVENT_VRF_2_VRF_LEAK) | |
13b7e7f0 DS |
1556 | return 0; |
1557 | ||
d62a17ae | 1558 | /* If it's labeled safi, make sure the route has a valid label. */ |
1559 | if (safi == SAFI_LABELED_UNICAST) { | |
40381db7 | 1560 | mpls_label_t label = bgp_adv_label(rn, pi, peer, afi, safi); |
d62a17ae | 1561 | if (!bgp_is_valid_label(&label)) { |
1562 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) | |
1563 | zlog_debug("u%" PRIu64 ":s%" PRIu64 | |
1564 | " %s/%d is filtered - no label (%p)", | |
1565 | subgrp->update_group->id, subgrp->id, | |
1566 | inet_ntop(p->family, &p->u.prefix, | |
1567 | buf, SU_ADDRSTRLEN), | |
1568 | p->prefixlen, &label); | |
1569 | return 0; | |
1570 | } | |
1571 | } | |
cd1964ff | 1572 | |
d62a17ae | 1573 | /* Do not send back route to sender. */ |
1574 | if (onlypeer && from == onlypeer) { | |
1575 | return 0; | |
1576 | } | |
3f9c7369 | 1577 | |
d62a17ae | 1578 | /* Do not send the default route in the BGP table if the neighbor is |
1579 | * configured for default-originate */ | |
1580 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
1581 | PEER_FLAG_DEFAULT_ORIGINATE)) { | |
1582 | if (p->family == AF_INET && p->u.prefix4.s_addr == INADDR_ANY) | |
1583 | return 0; | |
1584 | else if (p->family == AF_INET6 && p->prefixlen == 0) | |
1585 | return 0; | |
1586 | } | |
4125bb67 | 1587 | |
d62a17ae | 1588 | /* Transparency check. */ |
1589 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT) | |
1590 | && CHECK_FLAG(from->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT)) | |
1591 | transparent = 1; | |
1592 | else | |
1593 | transparent = 0; | |
1594 | ||
1595 | /* If community is not disabled check the no-export and local. */ | |
40381db7 | 1596 | if (!transparent && bgp_community_filter(peer, piattr)) { |
d62a17ae | 1597 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1598 | zlog_debug( | |
1599 | "subgrpannouncecheck: community filter check fail"); | |
1600 | return 0; | |
1601 | } | |
3f9c7369 | 1602 | |
d62a17ae | 1603 | /* If the attribute has originator-id and it is same as remote |
1604 | peer's id. */ | |
40381db7 DS |
1605 | if (onlypeer && piattr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID) |
1606 | && (IPV4_ADDR_SAME(&onlypeer->remote_id, &piattr->originator_id))) { | |
d62a17ae | 1607 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1608 | zlog_debug( | |
1609 | "%s [Update:SEND] %s originator-id is same as " | |
1610 | "remote router-id", | |
1611 | onlypeer->host, | |
1612 | prefix2str(p, buf, sizeof(buf))); | |
1613 | return 0; | |
1614 | } | |
3f9c7369 | 1615 | |
d62a17ae | 1616 | /* ORF prefix-list filter check */ |
1617 | if (CHECK_FLAG(peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_ADV) | |
1618 | && (CHECK_FLAG(peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_SM_RCV) | |
1619 | || CHECK_FLAG(peer->af_cap[afi][safi], | |
1620 | PEER_CAP_ORF_PREFIX_SM_OLD_RCV))) | |
1621 | if (peer->orf_plist[afi][safi]) { | |
1622 | if (prefix_list_apply(peer->orf_plist[afi][safi], p) | |
1623 | == PREFIX_DENY) { | |
1624 | if (bgp_debug_update(NULL, p, | |
1625 | subgrp->update_group, 0)) | |
1626 | zlog_debug( | |
1627 | "%s [Update:SEND] %s is filtered via ORF", | |
1628 | peer->host, | |
1629 | prefix2str(p, buf, | |
1630 | sizeof(buf))); | |
1631 | return 0; | |
1632 | } | |
1633 | } | |
1634 | ||
1635 | /* Output filter check. */ | |
40381db7 | 1636 | if (bgp_output_filter(peer, p, piattr, afi, safi) == FILTER_DENY) { |
d62a17ae | 1637 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1638 | zlog_debug("%s [Update:SEND] %s is filtered", | |
1639 | peer->host, prefix2str(p, buf, sizeof(buf))); | |
1640 | return 0; | |
1641 | } | |
3f9c7369 | 1642 | |
d62a17ae | 1643 | /* AS path loop check. */ |
2b31007c RZ |
1644 | if (onlypeer && onlypeer->as_path_loop_detection |
1645 | && aspath_loop_check(piattr->aspath, onlypeer->as)) { | |
d62a17ae | 1646 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1647 | zlog_debug( | |
1648 | "%s [Update:SEND] suppress announcement to peer AS %u " | |
1649 | "that is part of AS path.", | |
1650 | onlypeer->host, onlypeer->as); | |
1651 | return 0; | |
1652 | } | |
3f9c7369 | 1653 | |
d62a17ae | 1654 | /* If we're a CONFED we need to loop check the CONFED ID too */ |
1655 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) { | |
40381db7 | 1656 | if (aspath_loop_check(piattr->aspath, bgp->confed_id)) { |
d62a17ae | 1657 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1658 | zlog_debug( | |
1659 | "%s [Update:SEND] suppress announcement to peer AS %u" | |
1660 | " is AS path.", | |
1661 | peer->host, bgp->confed_id); | |
1662 | return 0; | |
1663 | } | |
3f9c7369 | 1664 | } |
3f9c7369 | 1665 | |
d62a17ae | 1666 | /* Route-Reflect check. */ |
1667 | if (from->sort == BGP_PEER_IBGP && peer->sort == BGP_PEER_IBGP) | |
1668 | reflect = 1; | |
1669 | else | |
1670 | reflect = 0; | |
1671 | ||
1672 | /* IBGP reflection check. */ | |
1673 | if (reflect && !samepeer_safe) { | |
1674 | /* A route from a Client peer. */ | |
1675 | if (CHECK_FLAG(from->af_flags[afi][safi], | |
1676 | PEER_FLAG_REFLECTOR_CLIENT)) { | |
1677 | /* Reflect to all the Non-Client peers and also to the | |
1678 | Client peers other than the originator. Originator | |
1679 | check | |
1680 | is already done. So there is noting to do. */ | |
1681 | /* no bgp client-to-client reflection check. */ | |
1682 | if (bgp_flag_check(bgp, BGP_FLAG_NO_CLIENT_TO_CLIENT)) | |
1683 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
1684 | PEER_FLAG_REFLECTOR_CLIENT)) | |
1685 | return 0; | |
1686 | } else { | |
1687 | /* A route from a Non-client peer. Reflect to all other | |
1688 | clients. */ | |
1689 | if (!CHECK_FLAG(peer->af_flags[afi][safi], | |
1690 | PEER_FLAG_REFLECTOR_CLIENT)) | |
1691 | return 0; | |
1692 | } | |
1693 | } | |
3f9c7369 | 1694 | |
d62a17ae | 1695 | /* For modify attribute, copy it to temporary structure. */ |
40381db7 | 1696 | bgp_attr_dup(attr, piattr); |
d62a17ae | 1697 | |
1698 | /* If local-preference is not set. */ | |
1699 | if ((peer->sort == BGP_PEER_IBGP || peer->sort == BGP_PEER_CONFED) | |
1700 | && (!(attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)))) { | |
1701 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
1702 | attr->local_pref = bgp->default_local_pref; | |
3f9c7369 | 1703 | } |
3f9c7369 | 1704 | |
d62a17ae | 1705 | /* If originator-id is not set and the route is to be reflected, |
1706 | set the originator id */ | |
1707 | if (reflect | |
1708 | && (!(attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)))) { | |
1709 | IPV4_ADDR_COPY(&(attr->originator_id), &(from->remote_id)); | |
1710 | SET_FLAG(attr->flag, BGP_ATTR_ORIGINATOR_ID); | |
1711 | } | |
3f9c7369 | 1712 | |
d62a17ae | 1713 | /* Remove MED if its an EBGP peer - will get overwritten by route-maps |
1714 | */ | |
1715 | if (peer->sort == BGP_PEER_EBGP | |
1716 | && attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) { | |
1717 | if (from != bgp->peer_self && !transparent | |
1718 | && !CHECK_FLAG(peer->af_flags[afi][safi], | |
1719 | PEER_FLAG_MED_UNCHANGED)) | |
1720 | attr->flag &= | |
1721 | ~(ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)); | |
1722 | } | |
3f9c7369 | 1723 | |
d62a17ae | 1724 | /* Since the nexthop attribute can vary per peer, it is not explicitly |
1725 | * set | |
1726 | * in announce check, only certain flags and length (or number of | |
1727 | * nexthops | |
1728 | * -- for IPv6/MP_REACH) are set here in order to guide the update | |
1729 | * formation | |
1730 | * code in setting the nexthop(s) on a per peer basis in | |
1731 | * reformat_peer(). | |
1732 | * Typically, the source nexthop in the attribute is preserved but in | |
1733 | * the | |
1734 | * scenarios where we know it will always be overwritten, we reset the | |
1735 | * nexthop to "0" in an attempt to achieve better Update packing. An | |
1736 | * example of this is when a prefix from each of 2 IBGP peers needs to | |
1737 | * be | |
1738 | * announced to an EBGP peer (and they have the same attributes barring | |
1739 | * their nexthop). | |
1740 | */ | |
1741 | if (reflect) | |
1742 | SET_FLAG(attr->rmap_change_flags, BATTR_REFLECTED); | |
1743 | ||
1744 | #define NEXTHOP_IS_V6 \ | |
1745 | ((safi != SAFI_ENCAP && safi != SAFI_MPLS_VPN \ | |
1746 | && (p->family == AF_INET6 || peer_cap_enhe(peer, afi, safi))) \ | |
1747 | || ((safi == SAFI_ENCAP || safi == SAFI_MPLS_VPN) \ | |
1748 | && attr->mp_nexthop_len >= IPV6_MAX_BYTELEN)) | |
1749 | ||
1750 | /* IPv6/MP starts with 1 nexthop. The link-local address is passed only | |
1751 | * if | |
1752 | * the peer (group) is configured to receive link-local nexthop | |
1753 | * unchanged | |
c728d027 DA |
1754 | * and it is available in the prefix OR we're not reflecting the route, |
1755 | * link-local nexthop address is valid and | |
d62a17ae | 1756 | * the peer (group) to whom we're going to announce is on a shared |
1757 | * network | |
1758 | * and this is either a self-originated route or the peer is EBGP. | |
c728d027 DA |
1759 | * By checking if nexthop LL address is valid we are sure that |
1760 | * we do not announce LL address as `::`. | |
d62a17ae | 1761 | */ |
1762 | if (NEXTHOP_IS_V6) { | |
1763 | attr->mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; | |
1764 | if ((CHECK_FLAG(peer->af_flags[afi][safi], | |
1765 | PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED) | |
1766 | && IN6_IS_ADDR_LINKLOCAL(&attr->mp_nexthop_local)) | |
c728d027 DA |
1767 | || (!reflect |
1768 | && IN6_IS_ADDR_LINKLOCAL(&peer->nexthop.v6_local) | |
1769 | && peer->shared_network | |
d62a17ae | 1770 | && (from == bgp->peer_self |
1771 | || peer->sort == BGP_PEER_EBGP))) { | |
1772 | attr->mp_nexthop_len = | |
1773 | BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL; | |
1774 | } | |
3f9c7369 | 1775 | |
d62a17ae | 1776 | /* Clear off link-local nexthop in source, whenever it is not |
1777 | * needed to | |
1778 | * ensure more prefixes share the same attribute for | |
1779 | * announcement. | |
1780 | */ | |
1781 | if (!(CHECK_FLAG(peer->af_flags[afi][safi], | |
1782 | PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED))) | |
1783 | memset(&attr->mp_nexthop_local, 0, IPV6_MAX_BYTELEN); | |
1784 | } | |
3f9c7369 | 1785 | |
d62a17ae | 1786 | bgp_peer_remove_private_as(bgp, afi, safi, peer, attr); |
1787 | bgp_peer_as_override(bgp, afi, safi, peer, attr); | |
1788 | ||
1789 | /* Route map & unsuppress-map apply. */ | |
40381db7 | 1790 | if (ROUTE_MAP_OUT_NAME(filter) || (pi->extra && pi->extra->suppress)) { |
b8694ef4 DS |
1791 | struct bgp_path_info rmap_path = {0}; |
1792 | struct bgp_path_info_extra dummy_rmap_path_extra = {0}; | |
1793 | struct attr dummy_attr = {0}; | |
d62a17ae | 1794 | |
40381db7 DS |
1795 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
1796 | rmap_path.peer = peer; | |
1797 | rmap_path.attr = attr; | |
d37ba549 | 1798 | |
40381db7 DS |
1799 | if (pi->extra) { |
1800 | memcpy(&dummy_rmap_path_extra, pi->extra, | |
4b7e6066 | 1801 | sizeof(struct bgp_path_info_extra)); |
40381db7 | 1802 | rmap_path.extra = &dummy_rmap_path_extra; |
16f7ce2b MK |
1803 | } |
1804 | ||
d62a17ae | 1805 | /* don't confuse inbound and outbound setting */ |
1806 | RESET_FLAG(attr->rmap_change_flags); | |
1807 | ||
1808 | /* | |
1809 | * The route reflector is not allowed to modify the attributes | |
1810 | * of the reflected IBGP routes unless explicitly allowed. | |
1811 | */ | |
1812 | if ((from->sort == BGP_PEER_IBGP && peer->sort == BGP_PEER_IBGP) | |
1813 | && !bgp_flag_check(bgp, | |
1814 | BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY)) { | |
1815 | bgp_attr_dup(&dummy_attr, attr); | |
40381db7 | 1816 | rmap_path.attr = &dummy_attr; |
d62a17ae | 1817 | } |
3f9c7369 | 1818 | |
d62a17ae | 1819 | SET_FLAG(peer->rmap_type, PEER_RMAP_TYPE_OUT); |
3f9c7369 | 1820 | |
40381db7 | 1821 | if (pi->extra && pi->extra->suppress) |
d62a17ae | 1822 | ret = route_map_apply(UNSUPPRESS_MAP(filter), p, |
40381db7 | 1823 | RMAP_BGP, &rmap_path); |
d62a17ae | 1824 | else |
1825 | ret = route_map_apply(ROUTE_MAP_OUT(filter), p, | |
40381db7 | 1826 | RMAP_BGP, &rmap_path); |
d62a17ae | 1827 | |
1828 | peer->rmap_type = 0; | |
1829 | ||
1830 | if (ret == RMAP_DENYMATCH) { | |
778048bf AD |
1831 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1832 | zlog_debug("%s [Update:SEND] %s is filtered by route-map", | |
1833 | peer->host, prefix2str(p, buf, sizeof(buf))); | |
1834 | ||
d62a17ae | 1835 | bgp_attr_flush(attr); |
1836 | return 0; | |
1837 | } | |
3f9c7369 | 1838 | } |
3f9c7369 | 1839 | |
9dac9fc8 DA |
1840 | /* RFC 8212 to prevent route leaks. |
1841 | * This specification intends to improve this situation by requiring the | |
1842 | * explicit configuration of both BGP Import and Export Policies for any | |
1843 | * External BGP (EBGP) session such as customers, peers, or | |
1844 | * confederation boundaries for all enabled address families. Through | |
1845 | * codification of the aforementioned requirement, operators will | |
1846 | * benefit from consistent behavior across different BGP | |
1847 | * implementations. | |
1848 | */ | |
1849 | if (peer->bgp->ebgp_requires_policy | |
1850 | == DEFAULT_EBGP_POLICY_ENABLED) | |
1851 | if (!bgp_outbound_policy_exists(peer, filter)) | |
1852 | return 0; | |
1853 | ||
7f323236 | 1854 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) { |
a4d82a8a PZ |
1855 | if (peer->sort == BGP_PEER_IBGP |
1856 | || peer->sort == BGP_PEER_CONFED) { | |
7f323236 DW |
1857 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); |
1858 | attr->local_pref = BGP_GSHUT_LOCAL_PREF; | |
1859 | } else { | |
1860 | bgp_attr_add_gshut_community(attr); | |
1861 | } | |
1862 | } | |
1863 | ||
d62a17ae | 1864 | /* After route-map has been applied, we check to see if the nexthop to |
1865 | * be carried in the attribute (that is used for the announcement) can | |
1866 | * be cleared off or not. We do this in all cases where we would be | |
1867 | * setting the nexthop to "ourselves". For IPv6, we only need to | |
1868 | * consider | |
1869 | * the global nexthop here; the link-local nexthop would have been | |
1870 | * cleared | |
1871 | * already, and if not, it is required by the update formation code. | |
1872 | * Also see earlier comments in this function. | |
1873 | */ | |
1874 | /* | |
1875 | * If route-map has performed some operation on the nexthop or the peer | |
1876 | * configuration says to pass it unchanged, we cannot reset the nexthop | |
1877 | * here, so only attempt to do it if these aren't true. Note that the | |
1878 | * route-map handler itself might have cleared the nexthop, if for | |
1879 | * example, | |
1880 | * it is configured as 'peer-address'. | |
1881 | */ | |
1882 | if (!bgp_rmap_nhop_changed(attr->rmap_change_flags, | |
40381db7 | 1883 | piattr->rmap_change_flags) |
d62a17ae | 1884 | && !transparent |
1885 | && !CHECK_FLAG(peer->af_flags[afi][safi], | |
1886 | PEER_FLAG_NEXTHOP_UNCHANGED)) { | |
1887 | /* We can reset the nexthop, if setting (or forcing) it to | |
1888 | * 'self' */ | |
1889 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
1890 | PEER_FLAG_NEXTHOP_SELF) | |
1891 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
1892 | PEER_FLAG_FORCE_NEXTHOP_SELF)) { | |
1893 | if (!reflect | |
1894 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
1895 | PEER_FLAG_FORCE_NEXTHOP_SELF)) | |
1896 | subgroup_announce_reset_nhop( | |
1897 | (peer_cap_enhe(peer, afi, safi) | |
1898 | ? AF_INET6 | |
1899 | : p->family), | |
1900 | attr); | |
1901 | } else if (peer->sort == BGP_PEER_EBGP) { | |
1902 | /* Can also reset the nexthop if announcing to EBGP, but | |
1903 | * only if | |
1904 | * no peer in the subgroup is on a shared subnet. | |
1905 | * Note: 3rd party nexthop currently implemented for | |
1906 | * IPv4 only. | |
1907 | */ | |
737af885 BS |
1908 | if ((p->family == AF_INET) && |
1909 | (!bgp_subgrp_multiaccess_check_v4( | |
1910 | piattr->nexthop, | |
1911 | subgrp))) | |
d62a17ae | 1912 | subgroup_announce_reset_nhop( |
1913 | (peer_cap_enhe(peer, afi, safi) | |
a4d82a8a PZ |
1914 | ? AF_INET6 |
1915 | : p->family), | |
737af885 BS |
1916 | attr); |
1917 | ||
1918 | if ((p->family == AF_INET6) && | |
1919 | (!bgp_subgrp_multiaccess_check_v6( | |
1920 | piattr->mp_nexthop_global, | |
1921 | subgrp))) | |
1922 | subgroup_announce_reset_nhop( | |
1923 | (peer_cap_enhe(peer, afi, safi) | |
1924 | ? AF_INET6 | |
1925 | : p->family), | |
1926 | attr); | |
1927 | ||
1928 | ||
1929 | ||
40381db7 | 1930 | } else if (CHECK_FLAG(pi->flags, BGP_PATH_ANNC_NH_SELF)) { |
960035b2 PZ |
1931 | /* |
1932 | * This flag is used for leaked vpn-vrf routes | |
1933 | */ | |
1934 | int family = p->family; | |
1935 | ||
1936 | if (peer_cap_enhe(peer, afi, safi)) | |
1937 | family = AF_INET6; | |
1938 | ||
1939 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) | |
1940 | zlog_debug( | |
1defdda8 | 1941 | "%s: BGP_PATH_ANNC_NH_SELF, family=%s", |
960035b2 PZ |
1942 | __func__, family2str(family)); |
1943 | subgroup_announce_reset_nhop(family, attr); | |
d62a17ae | 1944 | } |
63696f1d | 1945 | } |
960035b2 | 1946 | |
63696f1d | 1947 | /* If IPv6/MP and nexthop does not have any override and happens |
1948 | * to | |
1949 | * be a link-local address, reset it so that we don't pass along | |
1950 | * the | |
1951 | * source's link-local IPv6 address to recipients who may not be | |
1952 | * on | |
1953 | * the same interface. | |
1954 | */ | |
1955 | if (p->family == AF_INET6 || peer_cap_enhe(peer, afi, safi)) { | |
1956 | if (IN6_IS_ADDR_LINKLOCAL(&attr->mp_nexthop_global)) | |
1957 | subgroup_announce_reset_nhop(AF_INET6, attr); | |
d62a17ae | 1958 | } |
3f9c7369 | 1959 | |
d62a17ae | 1960 | return 1; |
3f9c7369 DS |
1961 | } |
1962 | ||
d62a17ae | 1963 | void bgp_best_selection(struct bgp *bgp, struct bgp_node *rn, |
1964 | struct bgp_maxpaths_cfg *mpath_cfg, | |
4b7e6066 DS |
1965 | struct bgp_path_info_pair *result, afi_t afi, |
1966 | safi_t safi) | |
1967 | { | |
1968 | struct bgp_path_info *new_select; | |
1969 | struct bgp_path_info *old_select; | |
40381db7 DS |
1970 | struct bgp_path_info *pi; |
1971 | struct bgp_path_info *pi1; | |
1972 | struct bgp_path_info *pi2; | |
1973 | struct bgp_path_info *nextpi = NULL; | |
d62a17ae | 1974 | int paths_eq, do_mpath, debug; |
1975 | struct list mp_list; | |
1976 | char pfx_buf[PREFIX2STR_BUFFER]; | |
1977 | char path_buf[PATH_ADDPATH_STR_BUFFER]; | |
1978 | ||
1979 | bgp_mp_list_init(&mp_list); | |
1980 | do_mpath = | |
1981 | (mpath_cfg->maxpaths_ebgp > 1 || mpath_cfg->maxpaths_ibgp > 1); | |
1982 | ||
1983 | debug = bgp_debug_bestpath(&rn->p); | |
1984 | ||
1985 | if (debug) | |
1986 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
1987 | ||
1988 | /* bgp deterministic-med */ | |
1989 | new_select = NULL; | |
1990 | if (bgp_flag_check(bgp, BGP_FLAG_DETERMINISTIC_MED)) { | |
1991 | ||
1defdda8 | 1992 | /* Clear BGP_PATH_DMED_SELECTED for all paths */ |
6f94b685 DS |
1993 | for (pi1 = bgp_node_get_bgp_path_info(rn); pi1; |
1994 | pi1 = pi1->next) | |
40381db7 | 1995 | bgp_path_info_unset_flag(rn, pi1, |
18ee8310 | 1996 | BGP_PATH_DMED_SELECTED); |
d62a17ae | 1997 | |
6f94b685 DS |
1998 | for (pi1 = bgp_node_get_bgp_path_info(rn); pi1; |
1999 | pi1 = pi1->next) { | |
40381db7 | 2000 | if (CHECK_FLAG(pi1->flags, BGP_PATH_DMED_CHECK)) |
d62a17ae | 2001 | continue; |
40381db7 | 2002 | if (BGP_PATH_HOLDDOWN(pi1)) |
d62a17ae | 2003 | continue; |
ea8b2282 | 2004 | if (pi1->peer != bgp->peer_self) |
40381db7 | 2005 | if (pi1->peer->status != Established) |
d62a17ae | 2006 | continue; |
2007 | ||
40381db7 DS |
2008 | new_select = pi1; |
2009 | if (pi1->next) { | |
2010 | for (pi2 = pi1->next; pi2; pi2 = pi2->next) { | |
2011 | if (CHECK_FLAG(pi2->flags, | |
1defdda8 | 2012 | BGP_PATH_DMED_CHECK)) |
d62a17ae | 2013 | continue; |
40381db7 | 2014 | if (BGP_PATH_HOLDDOWN(pi2)) |
d62a17ae | 2015 | continue; |
ea8b2282 | 2016 | if (pi2->peer != bgp->peer_self |
d62a17ae | 2017 | && !CHECK_FLAG( |
ea8b2282 DS |
2018 | pi2->peer->sflags, |
2019 | PEER_STATUS_NSF_WAIT)) | |
40381db7 | 2020 | if (pi2->peer->status |
d62a17ae | 2021 | != Established) |
2022 | continue; | |
2023 | ||
121e245d DS |
2024 | if (!aspath_cmp_left(pi1->attr->aspath, |
2025 | pi2->attr->aspath) | |
2026 | && !aspath_cmp_left_confed( | |
40381db7 | 2027 | pi1->attr->aspath, |
121e245d DS |
2028 | pi2->attr->aspath)) |
2029 | continue; | |
d62a17ae | 2030 | |
121e245d DS |
2031 | if (bgp_path_info_cmp( |
2032 | bgp, pi2, new_select, | |
2033 | &paths_eq, mpath_cfg, debug, | |
fdf81fa0 DS |
2034 | pfx_buf, afi, safi, |
2035 | &rn->reason)) { | |
121e245d DS |
2036 | bgp_path_info_unset_flag( |
2037 | rn, new_select, | |
2038 | BGP_PATH_DMED_SELECTED); | |
2039 | new_select = pi2; | |
d62a17ae | 2040 | } |
121e245d DS |
2041 | |
2042 | bgp_path_info_set_flag( | |
2043 | rn, pi2, BGP_PATH_DMED_CHECK); | |
d62a17ae | 2044 | } |
2045 | } | |
18ee8310 DS |
2046 | bgp_path_info_set_flag(rn, new_select, |
2047 | BGP_PATH_DMED_CHECK); | |
2048 | bgp_path_info_set_flag(rn, new_select, | |
2049 | BGP_PATH_DMED_SELECTED); | |
d62a17ae | 2050 | |
2051 | if (debug) { | |
18ee8310 DS |
2052 | bgp_path_info_path_with_addpath_rx_str( |
2053 | new_select, path_buf); | |
c66faab1 | 2054 | zlog_debug("%s: %s is the bestpath from AS %u", |
d62a17ae | 2055 | pfx_buf, path_buf, |
2056 | aspath_get_first_as( | |
2057 | new_select->attr->aspath)); | |
2058 | } | |
2059 | } | |
2060 | } | |
96450faf | 2061 | |
d62a17ae | 2062 | /* Check old selected route and new selected route. */ |
2063 | old_select = NULL; | |
2064 | new_select = NULL; | |
6f94b685 DS |
2065 | for (pi = bgp_node_get_bgp_path_info(rn); |
2066 | (pi != NULL) && (nextpi = pi->next, 1); pi = nextpi) { | |
40381db7 DS |
2067 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) |
2068 | old_select = pi; | |
d62a17ae | 2069 | |
40381db7 | 2070 | if (BGP_PATH_HOLDDOWN(pi)) { |
d62a17ae | 2071 | /* reap REMOVED routes, if needs be |
2072 | * selected route must stay for a while longer though | |
2073 | */ | |
40381db7 DS |
2074 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) |
2075 | && (pi != old_select)) | |
2076 | bgp_path_info_reap(rn, pi); | |
d62a17ae | 2077 | |
ddb5b488 | 2078 | if (debug) |
40381db7 DS |
2079 | zlog_debug("%s: pi %p in holddown", __func__, |
2080 | pi); | |
ddb5b488 | 2081 | |
d62a17ae | 2082 | continue; |
2083 | } | |
96450faf | 2084 | |
40381db7 DS |
2085 | if (pi->peer && pi->peer != bgp->peer_self |
2086 | && !CHECK_FLAG(pi->peer->sflags, PEER_STATUS_NSF_WAIT)) | |
2087 | if (pi->peer->status != Established) { | |
ddb5b488 PZ |
2088 | |
2089 | if (debug) | |
2090 | zlog_debug( | |
40381db7 DS |
2091 | "%s: pi %p non self peer %s not estab state", |
2092 | __func__, pi, pi->peer->host); | |
ddb5b488 | 2093 | |
d62a17ae | 2094 | continue; |
ddb5b488 | 2095 | } |
9fbdd100 | 2096 | |
d62a17ae | 2097 | if (bgp_flag_check(bgp, BGP_FLAG_DETERMINISTIC_MED) |
40381db7 DS |
2098 | && (!CHECK_FLAG(pi->flags, BGP_PATH_DMED_SELECTED))) { |
2099 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_DMED_CHECK); | |
ddb5b488 | 2100 | if (debug) |
40381db7 | 2101 | zlog_debug("%s: pi %p dmed", __func__, pi); |
d62a17ae | 2102 | continue; |
2103 | } | |
9fbdd100 | 2104 | |
40381db7 | 2105 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_DMED_CHECK); |
06370dac | 2106 | |
40381db7 | 2107 | if (bgp_path_info_cmp(bgp, pi, new_select, &paths_eq, mpath_cfg, |
fdf81fa0 | 2108 | debug, pfx_buf, afi, safi, &rn->reason)) { |
40381db7 | 2109 | new_select = pi; |
d62a17ae | 2110 | } |
2111 | } | |
718e3744 | 2112 | |
d62a17ae | 2113 | /* Now that we know which path is the bestpath see if any of the other |
2114 | * paths | |
2115 | * qualify as multipaths | |
2116 | */ | |
2117 | if (debug) { | |
2118 | if (new_select) | |
18ee8310 DS |
2119 | bgp_path_info_path_with_addpath_rx_str(new_select, |
2120 | path_buf); | |
d62a17ae | 2121 | else |
2122 | sprintf(path_buf, "NONE"); | |
2123 | zlog_debug( | |
2124 | "%s: After path selection, newbest is %s oldbest was %s", | |
2125 | pfx_buf, path_buf, | |
2126 | old_select ? old_select->peer->host : "NONE"); | |
96450faf | 2127 | } |
9fbdd100 | 2128 | |
d62a17ae | 2129 | if (do_mpath && new_select) { |
6f94b685 DS |
2130 | for (pi = bgp_node_get_bgp_path_info(rn); |
2131 | (pi != NULL) && (nextpi = pi->next, 1); pi = nextpi) { | |
d62a17ae | 2132 | |
2133 | if (debug) | |
18ee8310 | 2134 | bgp_path_info_path_with_addpath_rx_str( |
40381db7 | 2135 | pi, path_buf); |
d62a17ae | 2136 | |
40381db7 | 2137 | if (pi == new_select) { |
d62a17ae | 2138 | if (debug) |
2139 | zlog_debug( | |
2140 | "%s: %s is the bestpath, add to the multipath list", | |
2141 | pfx_buf, path_buf); | |
40381db7 | 2142 | bgp_mp_list_add(&mp_list, pi); |
d62a17ae | 2143 | continue; |
2144 | } | |
2145 | ||
40381db7 | 2146 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 2147 | continue; |
2148 | ||
40381db7 DS |
2149 | if (pi->peer && pi->peer != bgp->peer_self |
2150 | && !CHECK_FLAG(pi->peer->sflags, | |
d62a17ae | 2151 | PEER_STATUS_NSF_WAIT)) |
40381db7 | 2152 | if (pi->peer->status != Established) |
d62a17ae | 2153 | continue; |
2154 | ||
40381db7 | 2155 | if (!bgp_path_info_nexthop_cmp(pi, new_select)) { |
d62a17ae | 2156 | if (debug) |
2157 | zlog_debug( | |
2158 | "%s: %s has the same nexthop as the bestpath, skip it", | |
2159 | pfx_buf, path_buf); | |
2160 | continue; | |
2161 | } | |
2162 | ||
40381db7 | 2163 | bgp_path_info_cmp(bgp, pi, new_select, &paths_eq, |
fdf81fa0 DS |
2164 | mpath_cfg, debug, pfx_buf, afi, safi, |
2165 | &rn->reason); | |
d62a17ae | 2166 | |
2167 | if (paths_eq) { | |
2168 | if (debug) | |
2169 | zlog_debug( | |
2170 | "%s: %s is equivalent to the bestpath, add to the multipath list", | |
2171 | pfx_buf, path_buf); | |
40381db7 | 2172 | bgp_mp_list_add(&mp_list, pi); |
d62a17ae | 2173 | } |
2174 | } | |
2175 | } | |
fee0f4c6 | 2176 | |
18ee8310 DS |
2177 | bgp_path_info_mpath_update(rn, new_select, old_select, &mp_list, |
2178 | mpath_cfg); | |
2179 | bgp_path_info_mpath_aggregate_update(new_select, old_select); | |
d62a17ae | 2180 | bgp_mp_list_clear(&mp_list); |
96450faf | 2181 | |
dcc68b5e MS |
2182 | bgp_addpath_update_ids(bgp, rn, afi, safi); |
2183 | ||
d62a17ae | 2184 | result->old = old_select; |
2185 | result->new = new_select; | |
96450faf | 2186 | |
d62a17ae | 2187 | return; |
fee0f4c6 | 2188 | } |
2189 | ||
3f9c7369 DS |
2190 | /* |
2191 | * A new route/change in bestpath of an existing route. Evaluate the path | |
2192 | * for advertisement to the subgroup. | |
2193 | */ | |
d62a17ae | 2194 | int subgroup_process_announce_selected(struct update_subgroup *subgrp, |
4b7e6066 | 2195 | struct bgp_path_info *selected, |
d62a17ae | 2196 | struct bgp_node *rn, |
d7c0a89a | 2197 | uint32_t addpath_tx_id) |
d62a17ae | 2198 | { |
2199 | struct prefix *p; | |
2200 | struct peer *onlypeer; | |
2201 | struct attr attr; | |
2202 | afi_t afi; | |
2203 | safi_t safi; | |
adbac85e | 2204 | |
d62a17ae | 2205 | p = &rn->p; |
2206 | afi = SUBGRP_AFI(subgrp); | |
2207 | safi = SUBGRP_SAFI(subgrp); | |
2208 | onlypeer = ((SUBGRP_PCOUNT(subgrp) == 1) ? (SUBGRP_PFIRST(subgrp))->peer | |
2209 | : NULL); | |
2210 | ||
e0207895 PZ |
2211 | if (BGP_DEBUG(update, UPDATE_OUT)) { |
2212 | char buf_prefix[PREFIX_STRLEN]; | |
2213 | prefix2str(p, buf_prefix, sizeof(buf_prefix)); | |
ddb5b488 PZ |
2214 | zlog_debug("%s: p=%s, selected=%p", __func__, buf_prefix, |
2215 | selected); | |
e0207895 PZ |
2216 | } |
2217 | ||
d62a17ae | 2218 | /* First update is deferred until ORF or ROUTE-REFRESH is received */ |
996c9314 LB |
2219 | if (onlypeer && CHECK_FLAG(onlypeer->af_sflags[afi][safi], |
2220 | PEER_STATUS_ORF_WAIT_REFRESH)) | |
d62a17ae | 2221 | return 0; |
2222 | ||
2223 | memset(&attr, 0, sizeof(struct attr)); | |
2224 | /* It's initialized in bgp_announce_check() */ | |
2225 | ||
2226 | /* Announcement to the subgroup. If the route is filtered withdraw it. | |
2227 | */ | |
2228 | if (selected) { | |
2229 | if (subgroup_announce_check(rn, selected, subgrp, p, &attr)) | |
2230 | bgp_adj_out_set_subgroup(rn, subgrp, &attr, selected); | |
2231 | else | |
2232 | bgp_adj_out_unset_subgroup(rn, subgrp, 1, | |
dcc68b5e | 2233 | addpath_tx_id); |
d62a17ae | 2234 | } |
2235 | ||
2236 | /* If selected is NULL we must withdraw the path using addpath_tx_id */ | |
2237 | else { | |
2238 | bgp_adj_out_unset_subgroup(rn, subgrp, 1, addpath_tx_id); | |
2239 | } | |
558d1fec | 2240 | |
d62a17ae | 2241 | return 0; |
200df115 | 2242 | } |
fee0f4c6 | 2243 | |
3064bf43 | 2244 | /* |
e1072051 | 2245 | * Clear IGP changed flag and attribute changed flag for a route (all paths). |
2246 | * This is called at the end of route processing. | |
3064bf43 | 2247 | */ |
d62a17ae | 2248 | void bgp_zebra_clear_route_change_flags(struct bgp_node *rn) |
3064bf43 | 2249 | { |
40381db7 | 2250 | struct bgp_path_info *pi; |
3064bf43 | 2251 | |
6f94b685 | 2252 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 2253 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 2254 | continue; |
40381db7 DS |
2255 | UNSET_FLAG(pi->flags, BGP_PATH_IGP_CHANGED); |
2256 | UNSET_FLAG(pi->flags, BGP_PATH_ATTR_CHANGED); | |
d62a17ae | 2257 | } |
3064bf43 | 2258 | } |
2259 | ||
2260 | /* | |
2261 | * Has the route changed from the RIB's perspective? This is invoked only | |
2262 | * if the route selection returns the same best route as earlier - to | |
2263 | * determine if we need to update zebra or not. | |
2264 | */ | |
4b7e6066 DS |
2265 | int bgp_zebra_has_route_changed(struct bgp_node *rn, |
2266 | struct bgp_path_info *selected) | |
d62a17ae | 2267 | { |
4b7e6066 | 2268 | struct bgp_path_info *mpinfo; |
d62a17ae | 2269 | |
2bb9eff4 DS |
2270 | /* If this is multipath, check all selected paths for any nexthop |
2271 | * change or attribute change. Some attribute changes (e.g., community) | |
2272 | * aren't of relevance to the RIB, but we'll update zebra to ensure | |
2273 | * we handle the case of BGP nexthop change. This is the behavior | |
2274 | * when the best path has an attribute change anyway. | |
d62a17ae | 2275 | */ |
1defdda8 DS |
2276 | if (CHECK_FLAG(selected->flags, BGP_PATH_IGP_CHANGED) |
2277 | || CHECK_FLAG(selected->flags, BGP_PATH_MULTIPATH_CHG)) | |
d62a17ae | 2278 | return 1; |
2279 | ||
2bb9eff4 DS |
2280 | /* |
2281 | * If this is multipath, check all selected paths for any nexthop change | |
d62a17ae | 2282 | */ |
18ee8310 DS |
2283 | for (mpinfo = bgp_path_info_mpath_first(selected); mpinfo; |
2284 | mpinfo = bgp_path_info_mpath_next(mpinfo)) { | |
1defdda8 DS |
2285 | if (CHECK_FLAG(mpinfo->flags, BGP_PATH_IGP_CHANGED) |
2286 | || CHECK_FLAG(mpinfo->flags, BGP_PATH_ATTR_CHANGED)) | |
d62a17ae | 2287 | return 1; |
2288 | } | |
3064bf43 | 2289 | |
d62a17ae | 2290 | /* Nothing has changed from the RIB's perspective. */ |
2291 | return 0; | |
3064bf43 | 2292 | } |
2293 | ||
d62a17ae | 2294 | struct bgp_process_queue { |
2295 | struct bgp *bgp; | |
a4d82a8a | 2296 | STAILQ_HEAD(, bgp_node) pqueue; |
aac24838 JB |
2297 | #define BGP_PROCESS_QUEUE_EOIU_MARKER (1 << 0) |
2298 | unsigned int flags; | |
2299 | unsigned int queued; | |
200df115 | 2300 | }; |
2301 | ||
3103e8d2 DS |
2302 | /* |
2303 | * old_select = The old best path | |
2304 | * new_select = the new best path | |
2305 | * | |
2306 | * if (!old_select && new_select) | |
2307 | * We are sending new information on. | |
2308 | * | |
2309 | * if (old_select && new_select) { | |
2310 | * if (new_select != old_select) | |
2311 | * We have a new best path send a change | |
2312 | * else | |
2313 | * We've received a update with new attributes that needs | |
2314 | * to be passed on. | |
2315 | * } | |
2316 | * | |
2317 | * if (old_select && !new_select) | |
2318 | * We have no eligible route that we can announce or the rn | |
2319 | * is being removed. | |
2320 | */ | |
aac24838 JB |
2321 | static void bgp_process_main_one(struct bgp *bgp, struct bgp_node *rn, |
2322 | afi_t afi, safi_t safi) | |
d62a17ae | 2323 | { |
4b7e6066 DS |
2324 | struct bgp_path_info *new_select; |
2325 | struct bgp_path_info *old_select; | |
2326 | struct bgp_path_info_pair old_and_new; | |
ddb5b488 PZ |
2327 | char pfx_buf[PREFIX2STR_BUFFER]; |
2328 | int debug = 0; | |
d62a17ae | 2329 | |
f4c713ae LB |
2330 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS)) { |
2331 | if (rn) | |
2332 | debug = bgp_debug_bestpath(&rn->p); | |
2333 | if (debug) { | |
2334 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2335 | zlog_debug( | |
2336 | "%s: bgp delete in progress, ignoring event, p=%s", | |
2337 | __func__, pfx_buf); | |
2338 | } | |
2339 | return; | |
2340 | } | |
d62a17ae | 2341 | /* Is it end of initial update? (after startup) */ |
2342 | if (!rn) { | |
2343 | quagga_timestamp(3, bgp->update_delay_zebra_resume_time, | |
2344 | sizeof(bgp->update_delay_zebra_resume_time)); | |
2345 | ||
2346 | bgp->main_zebra_update_hold = 0; | |
05c7a1cc QY |
2347 | FOREACH_AFI_SAFI (afi, safi) { |
2348 | if (bgp_fibupd_safi(safi)) | |
2349 | bgp_zebra_announce_table(bgp, afi, safi); | |
2350 | } | |
d62a17ae | 2351 | bgp->main_peers_update_hold = 0; |
2352 | ||
2353 | bgp_start_routeadv(bgp); | |
aac24838 | 2354 | return; |
d62a17ae | 2355 | } |
cb1faec9 | 2356 | |
b575a12c A |
2357 | struct prefix *p = &rn->p; |
2358 | ||
ddb5b488 PZ |
2359 | debug = bgp_debug_bestpath(&rn->p); |
2360 | if (debug) { | |
2361 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2362 | zlog_debug("%s: p=%s afi=%s, safi=%s start", __func__, pfx_buf, | |
2363 | afi2str(afi), safi2str(safi)); | |
2364 | } | |
2365 | ||
d62a17ae | 2366 | /* Best path selection. */ |
2367 | bgp_best_selection(bgp, rn, &bgp->maxpaths[afi][safi], &old_and_new, | |
2368 | afi, safi); | |
2369 | old_select = old_and_new.old; | |
2370 | new_select = old_and_new.new; | |
2371 | ||
2372 | /* Do we need to allocate or free labels? | |
2373 | * Right now, since we only deal with per-prefix labels, it is not | |
57592a53 AD |
2374 | * necessary to do this upon changes to best path. Exceptions: |
2375 | * - label index has changed -> recalculate resulting label | |
2376 | * - path_info sub_type changed -> switch to/from implicit-null | |
2377 | * - no valid label (due to removed static label binding) -> get new one | |
d62a17ae | 2378 | */ |
318cac96 | 2379 | if (bgp->allocate_mpls_labels[afi][safi]) { |
d62a17ae | 2380 | if (new_select) { |
2381 | if (!old_select | |
2382 | || bgp_label_index_differs(new_select, old_select) | |
57592a53 AD |
2383 | || new_select->sub_type != old_select->sub_type |
2384 | || !bgp_is_valid_label(&rn->local_label)) { | |
2385 | /* Enforced penultimate hop popping: | |
2386 | * implicit-null for local routes, aggregate | |
2387 | * and redistributed routes | |
2388 | */ | |
d62a17ae | 2389 | if (new_select->sub_type == BGP_ROUTE_STATIC |
57592a53 AD |
2390 | || new_select->sub_type |
2391 | == BGP_ROUTE_AGGREGATE | |
2392 | || new_select->sub_type | |
2393 | == BGP_ROUTE_REDISTRIBUTE) { | |
d62a17ae | 2394 | if (CHECK_FLAG( |
2395 | rn->flags, | |
2396 | BGP_NODE_REGISTERED_FOR_LABEL)) | |
2397 | bgp_unregister_for_label(rn); | |
70e98a7f | 2398 | label_ntop(MPLS_LABEL_IMPLICIT_NULL, 1, |
d62a17ae | 2399 | &rn->local_label); |
2400 | bgp_set_valid_label(&rn->local_label); | |
2401 | } else | |
2402 | bgp_register_for_label(rn, new_select); | |
2403 | } | |
a4d82a8a PZ |
2404 | } else if (CHECK_FLAG(rn->flags, |
2405 | BGP_NODE_REGISTERED_FOR_LABEL)) { | |
d62a17ae | 2406 | bgp_unregister_for_label(rn); |
318cac96 DW |
2407 | } |
2408 | } else if (CHECK_FLAG(rn->flags, BGP_NODE_REGISTERED_FOR_LABEL)) { | |
2409 | bgp_unregister_for_label(rn); | |
d62a17ae | 2410 | } |
cd1964ff | 2411 | |
ddb5b488 PZ |
2412 | if (debug) { |
2413 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2414 | zlog_debug( | |
2415 | "%s: p=%s afi=%s, safi=%s, old_select=%p, new_select=%p", | |
2416 | __func__, pfx_buf, afi2str(afi), safi2str(safi), | |
2417 | old_select, new_select); | |
2418 | } | |
2419 | ||
d62a17ae | 2420 | /* If best route remains the same and this is not due to user-initiated |
2421 | * clear, see exactly what needs to be done. | |
2422 | */ | |
d62a17ae | 2423 | if (old_select && old_select == new_select |
2424 | && !CHECK_FLAG(rn->flags, BGP_NODE_USER_CLEAR) | |
1defdda8 | 2425 | && !CHECK_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED) |
dcc68b5e | 2426 | && !bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { |
d62a17ae | 2427 | if (bgp_zebra_has_route_changed(rn, old_select)) { |
65efcfce | 2428 | #if ENABLE_BGP_VNC |
d62a17ae | 2429 | vnc_import_bgp_add_route(bgp, p, old_select); |
2430 | vnc_import_bgp_exterior_add_route(bgp, p, old_select); | |
65efcfce | 2431 | #endif |
bb744275 | 2432 | if (bgp_fibupd_safi(safi) |
ddb5b488 PZ |
2433 | && !bgp_option_check(BGP_OPT_NO_FIB)) { |
2434 | ||
2435 | if (new_select->type == ZEBRA_ROUTE_BGP | |
2436 | && (new_select->sub_type == BGP_ROUTE_NORMAL | |
2437 | || new_select->sub_type | |
2438 | == BGP_ROUTE_IMPORTED)) | |
2439 | ||
2440 | bgp_zebra_announce(rn, p, old_select, | |
2441 | bgp, afi, safi); | |
2442 | } | |
d62a17ae | 2443 | } |
1defdda8 | 2444 | UNSET_FLAG(old_select->flags, BGP_PATH_MULTIPATH_CHG); |
d62a17ae | 2445 | bgp_zebra_clear_route_change_flags(rn); |
2446 | ||
2447 | /* If there is a change of interest to peers, reannounce the | |
2448 | * route. */ | |
1defdda8 | 2449 | if (CHECK_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED) |
d62a17ae | 2450 | || CHECK_FLAG(rn->flags, BGP_NODE_LABEL_CHANGED)) { |
2451 | group_announce_route(bgp, afi, safi, rn, new_select); | |
2452 | ||
2453 | /* unicast routes must also be annouced to | |
2454 | * labeled-unicast update-groups */ | |
2455 | if (safi == SAFI_UNICAST) | |
2456 | group_announce_route(bgp, afi, | |
2457 | SAFI_LABELED_UNICAST, rn, | |
2458 | new_select); | |
2459 | ||
1defdda8 | 2460 | UNSET_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 2461 | UNSET_FLAG(rn->flags, BGP_NODE_LABEL_CHANGED); |
2462 | } | |
fee0f4c6 | 2463 | |
d62a17ae | 2464 | UNSET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); |
aac24838 | 2465 | return; |
d62a17ae | 2466 | } |
8ad7271d | 2467 | |
d62a17ae | 2468 | /* If the user did "clear ip bgp prefix x.x.x.x" this flag will be set |
2469 | */ | |
2470 | UNSET_FLAG(rn->flags, BGP_NODE_USER_CLEAR); | |
2471 | ||
2472 | /* bestpath has changed; bump version */ | |
2473 | if (old_select || new_select) { | |
2474 | bgp_bump_version(rn); | |
2475 | ||
2476 | if (!bgp->t_rmap_def_originate_eval) { | |
2477 | bgp_lock(bgp); | |
2478 | thread_add_timer( | |
2479 | bm->master, | |
2480 | update_group_refresh_default_originate_route_map, | |
2481 | bgp, RMAP_DEFAULT_ORIGINATE_EVAL_TIMER, | |
2482 | &bgp->t_rmap_def_originate_eval); | |
2483 | } | |
2484 | } | |
3f9c7369 | 2485 | |
d62a17ae | 2486 | if (old_select) |
18ee8310 | 2487 | bgp_path_info_unset_flag(rn, old_select, BGP_PATH_SELECTED); |
d62a17ae | 2488 | if (new_select) { |
ddb5b488 PZ |
2489 | if (debug) |
2490 | zlog_debug("%s: setting SELECTED flag", __func__); | |
18ee8310 DS |
2491 | bgp_path_info_set_flag(rn, new_select, BGP_PATH_SELECTED); |
2492 | bgp_path_info_unset_flag(rn, new_select, BGP_PATH_ATTR_CHANGED); | |
1defdda8 | 2493 | UNSET_FLAG(new_select->flags, BGP_PATH_MULTIPATH_CHG); |
d62a17ae | 2494 | } |
338b3424 | 2495 | |
65efcfce | 2496 | #if ENABLE_BGP_VNC |
d62a17ae | 2497 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { |
2498 | if (old_select != new_select) { | |
2499 | if (old_select) { | |
2500 | vnc_import_bgp_exterior_del_route(bgp, p, | |
2501 | old_select); | |
2502 | vnc_import_bgp_del_route(bgp, p, old_select); | |
2503 | } | |
2504 | if (new_select) { | |
2505 | vnc_import_bgp_exterior_add_route(bgp, p, | |
2506 | new_select); | |
2507 | vnc_import_bgp_add_route(bgp, p, new_select); | |
2508 | } | |
2509 | } | |
2510 | } | |
65efcfce LB |
2511 | #endif |
2512 | ||
d62a17ae | 2513 | group_announce_route(bgp, afi, safi, rn, new_select); |
2514 | ||
2515 | /* unicast routes must also be annouced to labeled-unicast update-groups | |
2516 | */ | |
2517 | if (safi == SAFI_UNICAST) | |
2518 | group_announce_route(bgp, afi, SAFI_LABELED_UNICAST, rn, | |
2519 | new_select); | |
2520 | ||
2521 | /* FIB update. */ | |
2522 | if (bgp_fibupd_safi(safi) && (bgp->inst_type != BGP_INSTANCE_TYPE_VIEW) | |
2523 | && !bgp_option_check(BGP_OPT_NO_FIB)) { | |
2524 | if (new_select && new_select->type == ZEBRA_ROUTE_BGP | |
2525 | && (new_select->sub_type == BGP_ROUTE_NORMAL | |
ddb5b488 | 2526 | || new_select->sub_type == BGP_ROUTE_AGGREGATE |
2b659f33 MK |
2527 | || new_select->sub_type == BGP_ROUTE_IMPORTED)) { |
2528 | ||
2529 | /* if this is an evpn imported type-5 prefix, | |
2530 | * we need to withdraw the route first to clear | |
2531 | * the nh neigh and the RMAC entry. | |
2532 | */ | |
2533 | if (old_select && | |
2534 | is_route_parent_evpn(old_select)) | |
2535 | bgp_zebra_withdraw(p, old_select, bgp, safi); | |
ddb5b488 | 2536 | |
d62a17ae | 2537 | bgp_zebra_announce(rn, p, new_select, bgp, afi, safi); |
2b659f33 | 2538 | } else { |
d62a17ae | 2539 | /* Withdraw the route from the kernel. */ |
2540 | if (old_select && old_select->type == ZEBRA_ROUTE_BGP | |
2541 | && (old_select->sub_type == BGP_ROUTE_NORMAL | |
ddb5b488 PZ |
2542 | || old_select->sub_type == BGP_ROUTE_AGGREGATE |
2543 | || old_select->sub_type == BGP_ROUTE_IMPORTED)) | |
2544 | ||
568e10ca | 2545 | bgp_zebra_withdraw(p, old_select, bgp, safi); |
d62a17ae | 2546 | } |
718e3744 | 2547 | } |
3064bf43 | 2548 | |
5424b7ba MK |
2549 | /* advertise/withdraw type-5 routes */ |
2550 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { | |
f106e3a7 | 2551 | if (advertise_type5_routes(bgp, afi) && |
2552 | new_select && | |
2553 | is_route_injectable_into_evpn(new_select)) { | |
7e4ed18e MK |
2554 | |
2555 | /* apply the route-map */ | |
2556 | if (bgp->adv_cmd_rmap[afi][safi].map) { | |
b68885f9 | 2557 | route_map_result_t ret; |
7e4ed18e | 2558 | |
3518f352 DS |
2559 | ret = route_map_apply( |
2560 | bgp->adv_cmd_rmap[afi][safi].map, | |
2561 | &rn->p, RMAP_BGP, new_select); | |
b68885f9 | 2562 | if (ret == RMAP_PERMITMATCH) |
3518f352 DS |
2563 | bgp_evpn_advertise_type5_route( |
2564 | bgp, &rn->p, new_select->attr, | |
2565 | afi, safi); | |
c27ee4c4 | 2566 | else |
2567 | bgp_evpn_withdraw_type5_route( | |
2568 | bgp, &rn->p, afi, safi); | |
7e4ed18e MK |
2569 | } else { |
2570 | bgp_evpn_advertise_type5_route(bgp, | |
2571 | &rn->p, | |
2572 | new_select->attr, | |
2573 | afi, safi); | |
2574 | ||
2575 | } | |
f106e3a7 | 2576 | } else if (advertise_type5_routes(bgp, afi) && |
2577 | old_select && | |
2578 | is_route_injectable_into_evpn(old_select)) | |
31310b25 | 2579 | bgp_evpn_withdraw_type5_route(bgp, &rn->p, afi, safi); |
5424b7ba MK |
2580 | } |
2581 | ||
d62a17ae | 2582 | /* Clear any route change flags. */ |
2583 | bgp_zebra_clear_route_change_flags(rn); | |
3064bf43 | 2584 | |
18ee8310 | 2585 | /* Reap old select bgp_path_info, if it has been removed */ |
1defdda8 | 2586 | if (old_select && CHECK_FLAG(old_select->flags, BGP_PATH_REMOVED)) |
18ee8310 | 2587 | bgp_path_info_reap(rn, old_select); |
d62a17ae | 2588 | |
2589 | UNSET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); | |
aac24838 | 2590 | return; |
718e3744 | 2591 | } |
2592 | ||
aac24838 | 2593 | static wq_item_status bgp_process_wq(struct work_queue *wq, void *data) |
200df115 | 2594 | { |
aac24838 JB |
2595 | struct bgp_process_queue *pqnode = data; |
2596 | struct bgp *bgp = pqnode->bgp; | |
d62a17ae | 2597 | struct bgp_table *table; |
ac021f40 | 2598 | struct bgp_node *rn; |
aac24838 JB |
2599 | |
2600 | /* eoiu marker */ | |
2601 | if (CHECK_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER)) { | |
2602 | bgp_process_main_one(bgp, NULL, 0, 0); | |
60466a63 QY |
2603 | /* should always have dedicated wq call */ |
2604 | assert(STAILQ_FIRST(&pqnode->pqueue) == NULL); | |
aac24838 JB |
2605 | return WQ_SUCCESS; |
2606 | } | |
2607 | ||
ac021f40 LB |
2608 | while (!STAILQ_EMPTY(&pqnode->pqueue)) { |
2609 | rn = STAILQ_FIRST(&pqnode->pqueue); | |
2610 | STAILQ_REMOVE_HEAD(&pqnode->pqueue, pq); | |
b3e1dd3c | 2611 | STAILQ_NEXT(rn, pq) = NULL; /* complete unlink */ |
aac24838 | 2612 | table = bgp_node_table(rn); |
ac021f40 | 2613 | /* note, new RNs may be added as part of processing */ |
aac24838 | 2614 | bgp_process_main_one(bgp, rn, table->afi, table->safi); |
cb1faec9 | 2615 | |
aac24838 | 2616 | bgp_unlock_node(rn); |
d62a17ae | 2617 | bgp_table_unlock(table); |
2618 | } | |
aac24838 JB |
2619 | |
2620 | return WQ_SUCCESS; | |
2621 | } | |
2622 | ||
2623 | static void bgp_processq_del(struct work_queue *wq, void *data) | |
2624 | { | |
2625 | struct bgp_process_queue *pqnode = data; | |
2626 | ||
2627 | bgp_unlock(pqnode->bgp); | |
2628 | ||
2629 | XFREE(MTYPE_BGP_PROCESS_QUEUE, pqnode); | |
200df115 | 2630 | } |
2631 | ||
d62a17ae | 2632 | void bgp_process_queue_init(void) |
200df115 | 2633 | { |
0ce1ca80 | 2634 | if (!bm->process_main_queue) |
d62a17ae | 2635 | bm->process_main_queue = |
2636 | work_queue_new(bm->master, "process_main_queue"); | |
2637 | ||
aac24838 | 2638 | bm->process_main_queue->spec.workfunc = &bgp_process_wq; |
d62a17ae | 2639 | bm->process_main_queue->spec.del_item_data = &bgp_processq_del; |
2640 | bm->process_main_queue->spec.max_retries = 0; | |
2641 | bm->process_main_queue->spec.hold = 50; | |
2642 | /* Use a higher yield value of 50ms for main queue processing */ | |
2643 | bm->process_main_queue->spec.yield = 50 * 1000L; | |
200df115 | 2644 | } |
2645 | ||
cfe8d15a | 2646 | static struct bgp_process_queue *bgp_processq_alloc(struct bgp *bgp) |
aac24838 JB |
2647 | { |
2648 | struct bgp_process_queue *pqnode; | |
2649 | ||
a4d82a8a PZ |
2650 | pqnode = XCALLOC(MTYPE_BGP_PROCESS_QUEUE, |
2651 | sizeof(struct bgp_process_queue)); | |
aac24838 JB |
2652 | |
2653 | /* unlocked in bgp_processq_del */ | |
2654 | pqnode->bgp = bgp_lock(bgp); | |
2655 | STAILQ_INIT(&pqnode->pqueue); | |
2656 | ||
aac24838 JB |
2657 | return pqnode; |
2658 | } | |
2659 | ||
d62a17ae | 2660 | void bgp_process(struct bgp *bgp, struct bgp_node *rn, afi_t afi, safi_t safi) |
fee0f4c6 | 2661 | { |
aac24838 JB |
2662 | #define ARBITRARY_PROCESS_QLEN 10000 |
2663 | struct work_queue *wq = bm->process_main_queue; | |
d62a17ae | 2664 | struct bgp_process_queue *pqnode; |
cfe8d15a | 2665 | int pqnode_reuse = 0; |
495f0b13 | 2666 | |
d62a17ae | 2667 | /* already scheduled for processing? */ |
2668 | if (CHECK_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED)) | |
2669 | return; | |
2e02b9b2 | 2670 | |
aac24838 | 2671 | if (wq == NULL) |
d62a17ae | 2672 | return; |
2673 | ||
aac24838 | 2674 | /* Add route nodes to an existing work queue item until reaching the |
a4d82a8a PZ |
2675 | limit only if is from the same BGP view and it's not an EOIU marker |
2676 | */ | |
aac24838 JB |
2677 | if (work_queue_item_count(wq)) { |
2678 | struct work_queue_item *item = work_queue_last_item(wq); | |
2679 | pqnode = item->data; | |
228da428 | 2680 | |
a4d82a8a PZ |
2681 | if (CHECK_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER) |
2682 | || pqnode->bgp != bgp | |
2683 | || pqnode->queued >= ARBITRARY_PROCESS_QLEN) | |
cfe8d15a LB |
2684 | pqnode = bgp_processq_alloc(bgp); |
2685 | else | |
2686 | pqnode_reuse = 1; | |
aac24838 | 2687 | } else |
cfe8d15a | 2688 | pqnode = bgp_processq_alloc(bgp); |
aac24838 | 2689 | /* all unlocked in bgp_process_wq */ |
d62a17ae | 2690 | bgp_table_lock(bgp_node_table(rn)); |
aac24838 | 2691 | |
d62a17ae | 2692 | SET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); |
aac24838 JB |
2693 | bgp_lock_node(rn); |
2694 | ||
60466a63 QY |
2695 | /* can't be enqueued twice */ |
2696 | assert(STAILQ_NEXT(rn, pq) == NULL); | |
aac24838 JB |
2697 | STAILQ_INSERT_TAIL(&pqnode->pqueue, rn, pq); |
2698 | pqnode->queued++; | |
2699 | ||
cfe8d15a LB |
2700 | if (!pqnode_reuse) |
2701 | work_queue_add(wq, pqnode); | |
2702 | ||
d62a17ae | 2703 | return; |
fee0f4c6 | 2704 | } |
0a486e5f | 2705 | |
d62a17ae | 2706 | void bgp_add_eoiu_mark(struct bgp *bgp) |
cb1faec9 | 2707 | { |
d62a17ae | 2708 | struct bgp_process_queue *pqnode; |
cb1faec9 | 2709 | |
d62a17ae | 2710 | if (bm->process_main_queue == NULL) |
2711 | return; | |
2e02b9b2 | 2712 | |
cfe8d15a | 2713 | pqnode = bgp_processq_alloc(bgp); |
cb1faec9 | 2714 | |
aac24838 | 2715 | SET_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER); |
cfe8d15a | 2716 | work_queue_add(bm->process_main_queue, pqnode); |
cb1faec9 DS |
2717 | } |
2718 | ||
d62a17ae | 2719 | static int bgp_maximum_prefix_restart_timer(struct thread *thread) |
0a486e5f | 2720 | { |
d62a17ae | 2721 | struct peer *peer; |
0a486e5f | 2722 | |
d62a17ae | 2723 | peer = THREAD_ARG(thread); |
2724 | peer->t_pmax_restart = NULL; | |
0a486e5f | 2725 | |
d62a17ae | 2726 | if (bgp_debug_neighbor_events(peer)) |
2727 | zlog_debug( | |
2728 | "%s Maximum-prefix restart timer expired, restore peering", | |
2729 | peer->host); | |
0a486e5f | 2730 | |
a9bafa95 DS |
2731 | if ((peer_clear(peer, NULL) < 0) && bgp_debug_neighbor_events(peer)) |
2732 | zlog_debug("%s: %s peer_clear failed", | |
2733 | __PRETTY_FUNCTION__, peer->host); | |
0a486e5f | 2734 | |
d62a17ae | 2735 | return 0; |
0a486e5f | 2736 | } |
2737 | ||
d62a17ae | 2738 | int bgp_maximum_prefix_overflow(struct peer *peer, afi_t afi, safi_t safi, |
2739 | int always) | |
718e3744 | 2740 | { |
d62a17ae | 2741 | iana_afi_t pkt_afi; |
5c525538 | 2742 | iana_safi_t pkt_safi; |
9cabb64b | 2743 | |
d62a17ae | 2744 | if (!CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) |
2745 | return 0; | |
e0701b79 | 2746 | |
d62a17ae | 2747 | if (peer->pcount[afi][safi] > peer->pmax[afi][safi]) { |
2748 | if (CHECK_FLAG(peer->af_sflags[afi][safi], | |
2749 | PEER_STATUS_PREFIX_LIMIT) | |
2750 | && !always) | |
2751 | return 0; | |
e0701b79 | 2752 | |
d62a17ae | 2753 | zlog_info( |
a0a87037 DA |
2754 | "%%MAXPFXEXCEED: No. of %s prefix received from %s %" PRIu32 |
2755 | " exceed, limit %" PRIu32, | |
5cb5f4d0 | 2756 | get_afi_safi_str(afi, safi, false), peer->host, |
d62a17ae | 2757 | peer->pcount[afi][safi], peer->pmax[afi][safi]); |
2758 | SET_FLAG(peer->af_sflags[afi][safi], PEER_STATUS_PREFIX_LIMIT); | |
2759 | ||
2760 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
2761 | PEER_FLAG_MAX_PREFIX_WARNING)) | |
2762 | return 0; | |
2763 | ||
2764 | /* Convert AFI, SAFI to values for packet. */ | |
2765 | pkt_afi = afi_int2iana(afi); | |
2766 | pkt_safi = safi_int2iana(safi); | |
2767 | { | |
d7c0a89a | 2768 | uint8_t ndata[7]; |
d62a17ae | 2769 | |
2770 | ndata[0] = (pkt_afi >> 8); | |
2771 | ndata[1] = pkt_afi; | |
2772 | ndata[2] = pkt_safi; | |
2773 | ndata[3] = (peer->pmax[afi][safi] >> 24); | |
2774 | ndata[4] = (peer->pmax[afi][safi] >> 16); | |
2775 | ndata[5] = (peer->pmax[afi][safi] >> 8); | |
2776 | ndata[6] = (peer->pmax[afi][safi]); | |
2777 | ||
2778 | SET_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); | |
2779 | bgp_notify_send_with_data(peer, BGP_NOTIFY_CEASE, | |
2780 | BGP_NOTIFY_CEASE_MAX_PREFIX, | |
2781 | ndata, 7); | |
2782 | } | |
2783 | ||
2784 | /* Dynamic peers will just close their connection. */ | |
2785 | if (peer_dynamic_neighbor(peer)) | |
2786 | return 1; | |
2787 | ||
2788 | /* restart timer start */ | |
2789 | if (peer->pmax_restart[afi][safi]) { | |
2790 | peer->v_pmax_restart = | |
2791 | peer->pmax_restart[afi][safi] * 60; | |
2792 | ||
2793 | if (bgp_debug_neighbor_events(peer)) | |
2794 | zlog_debug( | |
2795 | "%s Maximum-prefix restart timer started for %d secs", | |
2796 | peer->host, peer->v_pmax_restart); | |
2797 | ||
2798 | BGP_TIMER_ON(peer->t_pmax_restart, | |
2799 | bgp_maximum_prefix_restart_timer, | |
2800 | peer->v_pmax_restart); | |
2801 | } | |
2802 | ||
2803 | return 1; | |
2804 | } else | |
2805 | UNSET_FLAG(peer->af_sflags[afi][safi], | |
2806 | PEER_STATUS_PREFIX_LIMIT); | |
2807 | ||
2808 | if (peer->pcount[afi][safi] | |
2809 | > (peer->pmax[afi][safi] * peer->pmax_threshold[afi][safi] / 100)) { | |
2810 | if (CHECK_FLAG(peer->af_sflags[afi][safi], | |
2811 | PEER_STATUS_PREFIX_THRESHOLD) | |
2812 | && !always) | |
2813 | return 0; | |
2814 | ||
2815 | zlog_info( | |
a0a87037 DA |
2816 | "%%MAXPFX: No. of %s prefix received from %s reaches %" PRIu32 |
2817 | ", max %" PRIu32, | |
5cb5f4d0 | 2818 | get_afi_safi_str(afi, safi, false), peer->host, |
d62a17ae | 2819 | peer->pcount[afi][safi], peer->pmax[afi][safi]); |
2820 | SET_FLAG(peer->af_sflags[afi][safi], | |
2821 | PEER_STATUS_PREFIX_THRESHOLD); | |
2822 | } else | |
2823 | UNSET_FLAG(peer->af_sflags[afi][safi], | |
2824 | PEER_STATUS_PREFIX_THRESHOLD); | |
2825 | return 0; | |
718e3744 | 2826 | } |
2827 | ||
b40d939b | 2828 | /* Unconditionally remove the route from the RIB, without taking |
2829 | * damping into consideration (eg, because the session went down) | |
2830 | */ | |
40381db7 | 2831 | void bgp_rib_remove(struct bgp_node *rn, struct bgp_path_info *pi, |
4b7e6066 | 2832 | struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 2833 | { |
40381db7 | 2834 | bgp_aggregate_decrement(peer->bgp, &rn->p, pi, afi, safi); |
d62a17ae | 2835 | |
40381db7 DS |
2836 | if (!CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) |
2837 | bgp_path_info_delete(rn, pi); /* keep historical info */ | |
d62a17ae | 2838 | |
4a11bf2c DL |
2839 | hook_call(bgp_process, peer->bgp, afi, safi, rn, peer, true); |
2840 | ||
d62a17ae | 2841 | bgp_process(peer->bgp, rn, afi, safi); |
2842 | } | |
2843 | ||
40381db7 | 2844 | static void bgp_rib_withdraw(struct bgp_node *rn, struct bgp_path_info *pi, |
d62a17ae | 2845 | struct peer *peer, afi_t afi, safi_t safi, |
2846 | struct prefix_rd *prd) | |
2847 | { | |
d62a17ae | 2848 | /* apply dampening, if result is suppressed, we'll be retaining |
18ee8310 | 2849 | * the bgp_path_info in the RIB for historical reference. |
d62a17ae | 2850 | */ |
2851 | if (CHECK_FLAG(peer->bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
2852 | && peer->sort == BGP_PEER_EBGP) | |
40381db7 | 2853 | if ((bgp_damp_withdraw(pi, rn, afi, safi, 0)) |
d62a17ae | 2854 | == BGP_DAMP_SUPPRESSED) { |
40381db7 | 2855 | bgp_aggregate_decrement(peer->bgp, &rn->p, pi, afi, |
d62a17ae | 2856 | safi); |
2857 | return; | |
2858 | } | |
2859 | ||
65efcfce | 2860 | #if ENABLE_BGP_VNC |
d62a17ae | 2861 | if (safi == SAFI_MPLS_VPN) { |
2862 | struct bgp_node *prn = NULL; | |
2863 | struct bgp_table *table = NULL; | |
2864 | ||
2865 | prn = bgp_node_get(peer->bgp->rib[afi][safi], | |
2866 | (struct prefix *)prd); | |
67009e22 DS |
2867 | if (bgp_node_has_bgp_path_info_data(prn)) { |
2868 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 2869 | |
2870 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
40381db7 | 2871 | peer->bgp, prd, table, &rn->p, pi); |
d62a17ae | 2872 | } |
2873 | bgp_unlock_node(prn); | |
2874 | } | |
2875 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { | |
40381db7 | 2876 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
65efcfce | 2877 | |
40381db7 | 2878 | vnc_import_bgp_del_route(peer->bgp, &rn->p, pi); |
d62a17ae | 2879 | vnc_import_bgp_exterior_del_route(peer->bgp, &rn->p, |
40381db7 | 2880 | pi); |
d62a17ae | 2881 | } |
65efcfce | 2882 | } |
d62a17ae | 2883 | #endif |
128ea8ab | 2884 | |
d62a17ae | 2885 | /* If this is an EVPN route, process for un-import. */ |
2886 | if (safi == SAFI_EVPN) | |
40381db7 | 2887 | bgp_evpn_unimport_route(peer->bgp, afi, safi, &rn->p, pi); |
128ea8ab | 2888 | |
40381db7 | 2889 | bgp_rib_remove(rn, pi, peer, afi, safi); |
718e3744 | 2890 | } |
2891 | ||
4b7e6066 DS |
2892 | struct bgp_path_info *info_make(int type, int sub_type, unsigned short instance, |
2893 | struct peer *peer, struct attr *attr, | |
2894 | struct bgp_node *rn) | |
fb018d25 | 2895 | { |
4b7e6066 | 2896 | struct bgp_path_info *new; |
fb018d25 | 2897 | |
d62a17ae | 2898 | /* Make new BGP info. */ |
4b7e6066 | 2899 | new = XCALLOC(MTYPE_BGP_ROUTE, sizeof(struct bgp_path_info)); |
d62a17ae | 2900 | new->type = type; |
2901 | new->instance = instance; | |
2902 | new->sub_type = sub_type; | |
2903 | new->peer = peer; | |
2904 | new->attr = attr; | |
2905 | new->uptime = bgp_clock(); | |
2906 | new->net = rn; | |
d62a17ae | 2907 | return new; |
fb018d25 DS |
2908 | } |
2909 | ||
d62a17ae | 2910 | static void overlay_index_update(struct attr *attr, |
2911 | struct eth_segment_id *eth_s_id, | |
2912 | union gw_addr *gw_ip) | |
684a7227 | 2913 | { |
d62a17ae | 2914 | if (!attr) |
2915 | return; | |
684a7227 | 2916 | |
d62a17ae | 2917 | if (eth_s_id == NULL) { |
2918 | memset(&(attr->evpn_overlay.eth_s_id), 0, | |
2919 | sizeof(struct eth_segment_id)); | |
2920 | } else { | |
2921 | memcpy(&(attr->evpn_overlay.eth_s_id), eth_s_id, | |
2922 | sizeof(struct eth_segment_id)); | |
2923 | } | |
2924 | if (gw_ip == NULL) { | |
2925 | memset(&(attr->evpn_overlay.gw_ip), 0, sizeof(union gw_addr)); | |
2926 | } else { | |
2927 | memcpy(&(attr->evpn_overlay.gw_ip), gw_ip, | |
2928 | sizeof(union gw_addr)); | |
2929 | } | |
684a7227 PG |
2930 | } |
2931 | ||
40381db7 | 2932 | static bool overlay_index_equal(afi_t afi, struct bgp_path_info *path, |
d62a17ae | 2933 | struct eth_segment_id *eth_s_id, |
2934 | union gw_addr *gw_ip) | |
2935 | { | |
40381db7 DS |
2936 | struct eth_segment_id *path_eth_s_id, *path_eth_s_id_remote; |
2937 | union gw_addr *path_gw_ip, *path_gw_ip_remote; | |
11ebf4ed DS |
2938 | union { |
2939 | struct eth_segment_id esi; | |
2940 | union gw_addr ip; | |
2941 | } temp; | |
d62a17ae | 2942 | |
2943 | if (afi != AFI_L2VPN) | |
2944 | return true; | |
11ebf4ed | 2945 | |
05864da7 DS |
2946 | path_eth_s_id = &(path->attr->evpn_overlay.eth_s_id); |
2947 | path_gw_ip = &(path->attr->evpn_overlay.gw_ip); | |
11ebf4ed DS |
2948 | |
2949 | if (gw_ip == NULL) { | |
2950 | memset(&temp, 0, sizeof(temp)); | |
40381db7 | 2951 | path_gw_ip_remote = &temp.ip; |
11ebf4ed | 2952 | } else |
40381db7 | 2953 | path_gw_ip_remote = gw_ip; |
11ebf4ed DS |
2954 | |
2955 | if (eth_s_id == NULL) { | |
2956 | memset(&temp, 0, sizeof(temp)); | |
40381db7 | 2957 | path_eth_s_id_remote = &temp.esi; |
11ebf4ed | 2958 | } else |
40381db7 | 2959 | path_eth_s_id_remote = eth_s_id; |
11ebf4ed | 2960 | |
40381db7 | 2961 | if (!memcmp(path_gw_ip, path_gw_ip_remote, sizeof(union gw_addr))) |
d62a17ae | 2962 | return false; |
11ebf4ed | 2963 | |
40381db7 | 2964 | return !memcmp(path_eth_s_id, path_eth_s_id_remote, |
d62a17ae | 2965 | sizeof(struct eth_segment_id)); |
684a7227 PG |
2966 | } |
2967 | ||
c265ee22 | 2968 | /* Check if received nexthop is valid or not. */ |
d62a17ae | 2969 | static int bgp_update_martian_nexthop(struct bgp *bgp, afi_t afi, safi_t safi, |
2970 | struct attr *attr) | |
2971 | { | |
2972 | int ret = 0; | |
2973 | ||
2974 | /* Only validated for unicast and multicast currently. */ | |
2975 | /* Also valid for EVPN where the nexthop is an IP address. */ | |
2976 | if (safi != SAFI_UNICAST && safi != SAFI_MULTICAST && safi != SAFI_EVPN) | |
2977 | return 0; | |
2978 | ||
2979 | /* If NEXT_HOP is present, validate it. */ | |
2980 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP)) { | |
2981 | if (attr->nexthop.s_addr == 0 | |
2982 | || IPV4_CLASS_DE(ntohl(attr->nexthop.s_addr)) | |
2983 | || bgp_nexthop_self(bgp, attr->nexthop)) | |
2984 | return 1; | |
2985 | } | |
c265ee22 | 2986 | |
d62a17ae | 2987 | /* If MP_NEXTHOP is present, validate it. */ |
2988 | /* Note: For IPv6 nexthops, we only validate the global (1st) nexthop; | |
2989 | * there is code in bgp_attr.c to ignore the link-local (2nd) nexthop if | |
2990 | * it is not an IPv6 link-local address. | |
2991 | */ | |
2992 | if (attr->mp_nexthop_len) { | |
2993 | switch (attr->mp_nexthop_len) { | |
2994 | case BGP_ATTR_NHLEN_IPV4: | |
2995 | case BGP_ATTR_NHLEN_VPNV4: | |
2996 | ret = (attr->mp_nexthop_global_in.s_addr == 0 | |
2997 | || IPV4_CLASS_DE(ntohl( | |
2998 | attr->mp_nexthop_global_in.s_addr)) | |
2999 | || bgp_nexthop_self(bgp, | |
3000 | attr->mp_nexthop_global_in)); | |
3001 | break; | |
3002 | ||
3003 | case BGP_ATTR_NHLEN_IPV6_GLOBAL: | |
3004 | case BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL: | |
3005 | case BGP_ATTR_NHLEN_VPNV6_GLOBAL: | |
3006 | ret = (IN6_IS_ADDR_UNSPECIFIED(&attr->mp_nexthop_global) | |
3007 | || IN6_IS_ADDR_LOOPBACK(&attr->mp_nexthop_global) | |
3008 | || IN6_IS_ADDR_MULTICAST( | |
5e76ce50 | 3009 | &attr->mp_nexthop_global)); |
d62a17ae | 3010 | break; |
3011 | ||
3012 | default: | |
3013 | ret = 1; | |
3014 | break; | |
3015 | } | |
3016 | } | |
c265ee22 | 3017 | |
d62a17ae | 3018 | return ret; |
3019 | } | |
3020 | ||
d7c0a89a | 3021 | int bgp_update(struct peer *peer, struct prefix *p, uint32_t addpath_id, |
d62a17ae | 3022 | struct attr *attr, afi_t afi, safi_t safi, int type, |
a4d82a8a | 3023 | int sub_type, struct prefix_rd *prd, mpls_label_t *label, |
d7c0a89a | 3024 | uint32_t num_labels, int soft_reconfig, |
a4d82a8a | 3025 | struct bgp_route_evpn *evpn) |
d62a17ae | 3026 | { |
3027 | int ret; | |
3028 | int aspath_loop_count = 0; | |
3029 | struct bgp_node *rn; | |
3030 | struct bgp *bgp; | |
3031 | struct attr new_attr; | |
3032 | struct attr *attr_new; | |
40381db7 | 3033 | struct bgp_path_info *pi; |
4b7e6066 DS |
3034 | struct bgp_path_info *new; |
3035 | struct bgp_path_info_extra *extra; | |
d62a17ae | 3036 | const char *reason; |
3037 | char pfx_buf[BGP_PRD_PATH_STRLEN]; | |
d62a17ae | 3038 | int connected = 0; |
3039 | int do_loop_check = 1; | |
3040 | int has_valid_label = 0; | |
65efcfce | 3041 | #if ENABLE_BGP_VNC |
d62a17ae | 3042 | int vnc_implicit_withdraw = 0; |
65efcfce | 3043 | #endif |
d62a17ae | 3044 | int same_attr = 0; |
718e3744 | 3045 | |
d62a17ae | 3046 | memset(&new_attr, 0, sizeof(struct attr)); |
3047 | new_attr.label_index = BGP_INVALID_LABEL_INDEX; | |
3048 | new_attr.label = MPLS_INVALID_LABEL; | |
f9a3a260 | 3049 | |
d62a17ae | 3050 | bgp = peer->bgp; |
3051 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
b57ba6d2 MK |
3052 | /* TODO: Check to see if we can get rid of "is_valid_label" */ |
3053 | if (afi == AFI_L2VPN && safi == SAFI_EVPN) | |
3054 | has_valid_label = (num_labels > 0) ? 1 : 0; | |
3055 | else | |
3056 | has_valid_label = bgp_is_valid_label(label); | |
718e3744 | 3057 | |
d62a17ae | 3058 | /* When peer's soft reconfiguration enabled. Record input packet in |
3059 | Adj-RIBs-In. */ | |
3060 | if (!soft_reconfig | |
3061 | && CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG) | |
3062 | && peer != bgp->peer_self) | |
3063 | bgp_adj_in_set(rn, peer, attr, addpath_id); | |
3064 | ||
3065 | /* Check previously received route. */ | |
6f94b685 | 3066 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
3067 | if (pi->peer == peer && pi->type == type |
3068 | && pi->sub_type == sub_type | |
3069 | && pi->addpath_rx_id == addpath_id) | |
d62a17ae | 3070 | break; |
3071 | ||
3072 | /* AS path local-as loop check. */ | |
3073 | if (peer->change_local_as) { | |
c4368918 DW |
3074 | if (peer->allowas_in[afi][safi]) |
3075 | aspath_loop_count = peer->allowas_in[afi][safi]; | |
a4d82a8a PZ |
3076 | else if (!CHECK_FLAG(peer->flags, |
3077 | PEER_FLAG_LOCAL_AS_NO_PREPEND)) | |
d62a17ae | 3078 | aspath_loop_count = 1; |
3079 | ||
3080 | if (aspath_loop_check(attr->aspath, peer->change_local_as) | |
3081 | > aspath_loop_count) { | |
b4d46cc9 | 3082 | peer->stat_pfx_aspath_loop++; |
d62a17ae | 3083 | reason = "as-path contains our own AS;"; |
3084 | goto filtered; | |
3085 | } | |
718e3744 | 3086 | } |
718e3744 | 3087 | |
d62a17ae | 3088 | /* If the peer is configured for "allowas-in origin" and the last ASN in |
3089 | * the | |
3090 | * as-path is our ASN then we do not need to call aspath_loop_check | |
3091 | */ | |
3092 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
3093 | if (aspath_get_last_as(attr->aspath) == bgp->as) | |
3094 | do_loop_check = 0; | |
3095 | ||
3096 | /* AS path loop check. */ | |
3097 | if (do_loop_check) { | |
3098 | if (aspath_loop_check(attr->aspath, bgp->as) | |
3099 | > peer->allowas_in[afi][safi] | |
3100 | || (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION) | |
3101 | && aspath_loop_check(attr->aspath, bgp->confed_id) | |
3102 | > peer->allowas_in[afi][safi])) { | |
b4d46cc9 | 3103 | peer->stat_pfx_aspath_loop++; |
d62a17ae | 3104 | reason = "as-path contains our own AS;"; |
3105 | goto filtered; | |
3106 | } | |
3107 | } | |
aac9ef6c | 3108 | |
d62a17ae | 3109 | /* Route reflector originator ID check. */ |
3110 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID) | |
3111 | && IPV4_ADDR_SAME(&bgp->router_id, &attr->originator_id)) { | |
b4d46cc9 | 3112 | peer->stat_pfx_originator_loop++; |
d62a17ae | 3113 | reason = "originator is us;"; |
3114 | goto filtered; | |
3115 | } | |
718e3744 | 3116 | |
d62a17ae | 3117 | /* Route reflector cluster ID check. */ |
3118 | if (bgp_cluster_filter(peer, attr)) { | |
b4d46cc9 | 3119 | peer->stat_pfx_cluster_loop++; |
d62a17ae | 3120 | reason = "reflected from the same cluster;"; |
3121 | goto filtered; | |
3122 | } | |
718e3744 | 3123 | |
d62a17ae | 3124 | /* Apply incoming filter. */ |
3125 | if (bgp_input_filter(peer, p, attr, afi, safi) == FILTER_DENY) { | |
b4d46cc9 | 3126 | peer->stat_pfx_filter++; |
d62a17ae | 3127 | reason = "filter;"; |
3128 | goto filtered; | |
3129 | } | |
718e3744 | 3130 | |
a8b72dc6 DA |
3131 | /* RFC 8212 to prevent route leaks. |
3132 | * This specification intends to improve this situation by requiring the | |
3133 | * explicit configuration of both BGP Import and Export Policies for any | |
3134 | * External BGP (EBGP) session such as customers, peers, or | |
3135 | * confederation boundaries for all enabled address families. Through | |
3136 | * codification of the aforementioned requirement, operators will | |
3137 | * benefit from consistent behavior across different BGP | |
3138 | * implementations. | |
3139 | */ | |
3140 | if (peer->bgp->ebgp_requires_policy == DEFAULT_EBGP_POLICY_ENABLED) | |
3141 | if (!bgp_inbound_policy_exists(peer, | |
3142 | &peer->filter[afi][safi])) { | |
3143 | reason = "inbound policy missing"; | |
3144 | goto filtered; | |
3145 | } | |
3146 | ||
d62a17ae | 3147 | bgp_attr_dup(&new_attr, attr); |
3148 | ||
3149 | /* Apply incoming route-map. | |
3150 | * NB: new_attr may now contain newly allocated values from route-map | |
3151 | * "set" | |
3152 | * commands, so we need bgp_attr_flush in the error paths, until we | |
3153 | * intern | |
3154 | * the attr (which takes over the memory references) */ | |
82b692c0 LK |
3155 | if (bgp_input_modifier(peer, p, &new_attr, afi, safi, NULL, |
3156 | label, num_labels) == RMAP_DENY) { | |
b4d46cc9 | 3157 | peer->stat_pfx_filter++; |
d62a17ae | 3158 | reason = "route-map;"; |
3159 | bgp_attr_flush(&new_attr); | |
3160 | goto filtered; | |
3161 | } | |
718e3744 | 3162 | |
05864da7 | 3163 | if (pi && pi->attr->rmap_table_id != new_attr.rmap_table_id) { |
1276ce38 PG |
3164 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) |
3165 | /* remove from RIB previous entry */ | |
3166 | bgp_zebra_withdraw(p, pi, bgp, safi); | |
3167 | } | |
3168 | ||
7f323236 DW |
3169 | if (peer->sort == BGP_PEER_EBGP) { |
3170 | ||
a4d82a8a PZ |
3171 | /* If we receive the graceful-shutdown community from an eBGP |
3172 | * peer we must lower local-preference */ | |
3173 | if (new_attr.community | |
3174 | && community_include(new_attr.community, COMMUNITY_GSHUT)) { | |
7f323236 DW |
3175 | new_attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); |
3176 | new_attr.local_pref = BGP_GSHUT_LOCAL_PREF; | |
3177 | ||
a4d82a8a PZ |
3178 | /* If graceful-shutdown is configured then add the GSHUT |
3179 | * community to all paths received from eBGP peers */ | |
3180 | } else if (bgp_flag_check(peer->bgp, | |
3181 | BGP_FLAG_GRACEFUL_SHUTDOWN)) { | |
7f323236 DW |
3182 | bgp_attr_add_gshut_community(&new_attr); |
3183 | } | |
3184 | } | |
3185 | ||
d62a17ae | 3186 | /* next hop check. */ |
a4d82a8a PZ |
3187 | if (!CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD) |
3188 | && bgp_update_martian_nexthop(bgp, afi, safi, &new_attr)) { | |
b4d46cc9 | 3189 | peer->stat_pfx_nh_invalid++; |
d62a17ae | 3190 | reason = "martian or self next-hop;"; |
3191 | bgp_attr_flush(&new_attr); | |
3192 | goto filtered; | |
3193 | } | |
718e3744 | 3194 | |
5c14a191 | 3195 | if (bgp_mac_entry_exists(p) || bgp_mac_exist(&attr->rmac)) { |
b4d46cc9 | 3196 | peer->stat_pfx_nh_invalid++; |
4e802e66 DS |
3197 | reason = "self mac;"; |
3198 | goto filtered; | |
3199 | } | |
3200 | ||
d62a17ae | 3201 | attr_new = bgp_attr_intern(&new_attr); |
3202 | ||
3203 | /* If the update is implicit withdraw. */ | |
40381db7 DS |
3204 | if (pi) { |
3205 | pi->uptime = bgp_clock(); | |
3206 | same_attr = attrhash_cmp(pi->attr, attr_new); | |
d62a17ae | 3207 | |
4a11bf2c DL |
3208 | hook_call(bgp_process, bgp, afi, safi, rn, peer, true); |
3209 | ||
d62a17ae | 3210 | /* Same attribute comes in. */ |
40381db7 DS |
3211 | if (!CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) |
3212 | && attrhash_cmp(pi->attr, attr_new) | |
d62a17ae | 3213 | && (!has_valid_label |
40381db7 | 3214 | || memcmp(&(bgp_path_info_extra_get(pi))->label, label, |
b57ba6d2 | 3215 | num_labels * sizeof(mpls_label_t)) |
d62a17ae | 3216 | == 0) |
3217 | && (overlay_index_equal( | |
40381db7 | 3218 | afi, pi, evpn == NULL ? NULL : &evpn->eth_s_id, |
d62a17ae | 3219 | evpn == NULL ? NULL : &evpn->gw_ip))) { |
3220 | if (CHECK_FLAG(bgp->af_flags[afi][safi], | |
3221 | BGP_CONFIG_DAMPENING) | |
3222 | && peer->sort == BGP_PEER_EBGP | |
40381db7 | 3223 | && CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) { |
d62a17ae | 3224 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3225 | bgp_debug_rdpfxpath2str( | |
a4d82a8a PZ |
3226 | afi, safi, prd, p, label, |
3227 | num_labels, addpath_id ? 1 : 0, | |
3228 | addpath_id, pfx_buf, | |
3229 | sizeof(pfx_buf)); | |
d62a17ae | 3230 | zlog_debug("%s rcvd %s", peer->host, |
3231 | pfx_buf); | |
3232 | } | |
3233 | ||
40381db7 | 3234 | if (bgp_damp_update(pi, rn, afi, safi) |
d62a17ae | 3235 | != BGP_DAMP_SUPPRESSED) { |
40381db7 | 3236 | bgp_aggregate_increment(bgp, p, pi, afi, |
d62a17ae | 3237 | safi); |
3238 | bgp_process(bgp, rn, afi, safi); | |
3239 | } | |
3240 | } else /* Duplicate - odd */ | |
3241 | { | |
3242 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
3243 | if (!peer->rcvd_attr_printed) { | |
3244 | zlog_debug( | |
3245 | "%s rcvd UPDATE w/ attr: %s", | |
3246 | peer->host, | |
3247 | peer->rcvd_attr_str); | |
3248 | peer->rcvd_attr_printed = 1; | |
3249 | } | |
3250 | ||
3251 | bgp_debug_rdpfxpath2str( | |
a4d82a8a PZ |
3252 | afi, safi, prd, p, label, |
3253 | num_labels, addpath_id ? 1 : 0, | |
3254 | addpath_id, pfx_buf, | |
3255 | sizeof(pfx_buf)); | |
d62a17ae | 3256 | zlog_debug( |
3257 | "%s rcvd %s...duplicate ignored", | |
3258 | peer->host, pfx_buf); | |
3259 | } | |
3260 | ||
3261 | /* graceful restart STALE flag unset. */ | |
40381db7 | 3262 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) { |
18ee8310 | 3263 | bgp_path_info_unset_flag( |
40381db7 | 3264 | rn, pi, BGP_PATH_STALE); |
d62a17ae | 3265 | bgp_process(bgp, rn, afi, safi); |
3266 | } | |
3267 | } | |
3268 | ||
3269 | bgp_unlock_node(rn); | |
3270 | bgp_attr_unintern(&attr_new); | |
3271 | ||
3272 | return 0; | |
3273 | } | |
718e3744 | 3274 | |
d62a17ae | 3275 | /* Withdraw/Announce before we fully processed the withdraw */ |
40381db7 | 3276 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) { |
d62a17ae | 3277 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3278 | bgp_debug_rdpfxpath2str( | |
a4d82a8a | 3279 | afi, safi, prd, p, label, num_labels, |
d62a17ae | 3280 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3281 | sizeof(pfx_buf)); | |
3282 | zlog_debug( | |
3283 | "%s rcvd %s, flapped quicker than processing", | |
3284 | peer->host, pfx_buf); | |
3285 | } | |
3286 | ||
40381db7 | 3287 | bgp_path_info_restore(rn, pi); |
d62a17ae | 3288 | } |
718e3744 | 3289 | |
d62a17ae | 3290 | /* Received Logging. */ |
3291 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a PZ |
3292 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, |
3293 | num_labels, addpath_id ? 1 : 0, | |
3294 | addpath_id, pfx_buf, | |
3295 | sizeof(pfx_buf)); | |
d62a17ae | 3296 | zlog_debug("%s rcvd %s", peer->host, pfx_buf); |
3297 | } | |
718e3744 | 3298 | |
d62a17ae | 3299 | /* graceful restart STALE flag unset. */ |
40381db7 DS |
3300 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) |
3301 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_STALE); | |
d62a17ae | 3302 | |
3303 | /* The attribute is changed. */ | |
40381db7 | 3304 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 3305 | |
3306 | /* implicit withdraw, decrement aggregate and pcount here. | |
3307 | * only if update is accepted, they'll increment below. | |
3308 | */ | |
40381db7 | 3309 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
d62a17ae | 3310 | |
3311 | /* Update bgp route dampening information. */ | |
3312 | if (CHECK_FLAG(bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
3313 | && peer->sort == BGP_PEER_EBGP) { | |
3314 | /* This is implicit withdraw so we should update | |
3315 | dampening | |
3316 | information. */ | |
40381db7 DS |
3317 | if (!CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) |
3318 | bgp_damp_withdraw(pi, rn, afi, safi, 1); | |
d62a17ae | 3319 | } |
65efcfce | 3320 | #if ENABLE_BGP_VNC |
d62a17ae | 3321 | if (safi == SAFI_MPLS_VPN) { |
3322 | struct bgp_node *prn = NULL; | |
3323 | struct bgp_table *table = NULL; | |
3324 | ||
3325 | prn = bgp_node_get(bgp->rib[afi][safi], | |
3326 | (struct prefix *)prd); | |
67009e22 DS |
3327 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3328 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3329 | |
3330 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
40381db7 | 3331 | bgp, prd, table, p, pi); |
d62a17ae | 3332 | } |
3333 | bgp_unlock_node(prn); | |
3334 | } | |
3335 | if ((afi == AFI_IP || afi == AFI_IP6) | |
3336 | && (safi == SAFI_UNICAST)) { | |
40381db7 | 3337 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 3338 | /* |
3339 | * Implicit withdraw case. | |
3340 | */ | |
3341 | ++vnc_implicit_withdraw; | |
40381db7 DS |
3342 | vnc_import_bgp_del_route(bgp, p, pi); |
3343 | vnc_import_bgp_exterior_del_route(bgp, p, pi); | |
d62a17ae | 3344 | } |
3345 | } | |
65efcfce | 3346 | #endif |
128ea8ab | 3347 | |
d62a17ae | 3348 | /* Special handling for EVPN update of an existing route. If the |
3349 | * extended community attribute has changed, we need to | |
3350 | * un-import | |
3351 | * the route using its existing extended community. It will be | |
3352 | * subsequently processed for import with the new extended | |
3353 | * community. | |
3354 | */ | |
3355 | if (safi == SAFI_EVPN && !same_attr) { | |
40381db7 | 3356 | if ((pi->attr->flag |
d62a17ae | 3357 | & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) |
3358 | && (attr_new->flag | |
3359 | & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES))) { | |
3360 | int cmp; | |
3361 | ||
40381db7 | 3362 | cmp = ecommunity_cmp(pi->attr->ecommunity, |
d62a17ae | 3363 | attr_new->ecommunity); |
3364 | if (!cmp) { | |
3365 | if (bgp_debug_update(peer, p, NULL, 1)) | |
3366 | zlog_debug( | |
3367 | "Change in EXT-COMM, existing %s new %s", | |
3368 | ecommunity_str( | |
40381db7 | 3369 | pi->attr->ecommunity), |
d62a17ae | 3370 | ecommunity_str( |
3371 | attr_new->ecommunity)); | |
3372 | bgp_evpn_unimport_route(bgp, afi, safi, | |
40381db7 | 3373 | p, pi); |
d62a17ae | 3374 | } |
3375 | } | |
3376 | } | |
718e3744 | 3377 | |
d62a17ae | 3378 | /* Update to new attribute. */ |
40381db7 DS |
3379 | bgp_attr_unintern(&pi->attr); |
3380 | pi->attr = attr_new; | |
d62a17ae | 3381 | |
3382 | /* Update MPLS label */ | |
3383 | if (has_valid_label) { | |
40381db7 | 3384 | extra = bgp_path_info_extra_get(pi); |
8ba71050 NS |
3385 | if (extra->label != label) { |
3386 | memcpy(&extra->label, label, | |
dbd587da | 3387 | num_labels * sizeof(mpls_label_t)); |
8ba71050 NS |
3388 | extra->num_labels = num_labels; |
3389 | } | |
b57ba6d2 MK |
3390 | if (!(afi == AFI_L2VPN && safi == SAFI_EVPN)) |
3391 | bgp_set_valid_label(&extra->label[0]); | |
fc9a856f | 3392 | } |
718e3744 | 3393 | |
65efcfce | 3394 | #if ENABLE_BGP_VNC |
d62a17ae | 3395 | if ((afi == AFI_IP || afi == AFI_IP6) |
3396 | && (safi == SAFI_UNICAST)) { | |
3397 | if (vnc_implicit_withdraw) { | |
3398 | /* | |
3399 | * Add back the route with its new attributes | |
3400 | * (e.g., nexthop). | |
3401 | * The route is still selected, until the route | |
3402 | * selection | |
3403 | * queued by bgp_process actually runs. We have | |
3404 | * to make this | |
3405 | * update to the VNC side immediately to avoid | |
3406 | * racing against | |
3407 | * configuration changes (e.g., route-map | |
3408 | * changes) which | |
3409 | * trigger re-importation of the entire RIB. | |
3410 | */ | |
40381db7 DS |
3411 | vnc_import_bgp_add_route(bgp, p, pi); |
3412 | vnc_import_bgp_exterior_add_route(bgp, p, pi); | |
d62a17ae | 3413 | } |
3414 | } | |
65efcfce | 3415 | #endif |
d62a17ae | 3416 | /* Update Overlay Index */ |
3417 | if (afi == AFI_L2VPN) { | |
3418 | overlay_index_update( | |
40381db7 | 3419 | pi->attr, evpn == NULL ? NULL : &evpn->eth_s_id, |
d62a17ae | 3420 | evpn == NULL ? NULL : &evpn->gw_ip); |
3421 | } | |
65efcfce | 3422 | |
d62a17ae | 3423 | /* Update bgp route dampening information. */ |
3424 | if (CHECK_FLAG(bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
3425 | && peer->sort == BGP_PEER_EBGP) { | |
3426 | /* Now we do normal update dampening. */ | |
40381db7 | 3427 | ret = bgp_damp_update(pi, rn, afi, safi); |
d62a17ae | 3428 | if (ret == BGP_DAMP_SUPPRESSED) { |
3429 | bgp_unlock_node(rn); | |
3430 | return 0; | |
3431 | } | |
3432 | } | |
128ea8ab | 3433 | |
d62a17ae | 3434 | /* Nexthop reachability check - for unicast and |
3435 | * labeled-unicast.. */ | |
3436 | if ((afi == AFI_IP || afi == AFI_IP6) | |
3437 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) { | |
3438 | if (peer->sort == BGP_PEER_EBGP && peer->ttl == 1 | |
3439 | && !CHECK_FLAG(peer->flags, | |
3440 | PEER_FLAG_DISABLE_CONNECTED_CHECK) | |
3441 | && !bgp_flag_check( | |
3442 | bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK)) | |
3443 | connected = 1; | |
3444 | else | |
3445 | connected = 0; | |
3446 | ||
960035b2 PZ |
3447 | struct bgp *bgp_nexthop = bgp; |
3448 | ||
40381db7 DS |
3449 | if (pi->extra && pi->extra->bgp_orig) |
3450 | bgp_nexthop = pi->extra->bgp_orig; | |
960035b2 | 3451 | |
40381db7 DS |
3452 | if (bgp_find_or_add_nexthop(bgp, bgp_nexthop, afi, pi, |
3453 | NULL, connected) | |
a4d82a8a | 3454 | || CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD)) |
40381db7 | 3455 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); |
d62a17ae | 3456 | else { |
3457 | if (BGP_DEBUG(nht, NHT)) { | |
3458 | char buf1[INET6_ADDRSTRLEN]; | |
3459 | inet_ntop(AF_INET, | |
3460 | (const void *)&attr_new | |
3461 | ->nexthop, | |
3462 | buf1, INET6_ADDRSTRLEN); | |
3463 | zlog_debug("%s(%s): NH unresolved", | |
3464 | __FUNCTION__, buf1); | |
3465 | } | |
40381db7 | 3466 | bgp_path_info_unset_flag(rn, pi, |
18ee8310 | 3467 | BGP_PATH_VALID); |
d62a17ae | 3468 | } |
3469 | } else | |
40381db7 | 3470 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); |
d62a17ae | 3471 | |
3472 | #if ENABLE_BGP_VNC | |
3473 | if (safi == SAFI_MPLS_VPN) { | |
3474 | struct bgp_node *prn = NULL; | |
3475 | struct bgp_table *table = NULL; | |
3476 | ||
3477 | prn = bgp_node_get(bgp->rib[afi][safi], | |
3478 | (struct prefix *)prd); | |
67009e22 DS |
3479 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3480 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3481 | |
3482 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
40381db7 | 3483 | bgp, prd, table, p, pi); |
d62a17ae | 3484 | } |
3485 | bgp_unlock_node(prn); | |
3486 | } | |
3487 | #endif | |
718e3744 | 3488 | |
d62a17ae | 3489 | /* If this is an EVPN route and some attribute has changed, |
3490 | * process | |
3491 | * route for import. If the extended community has changed, we | |
3492 | * would | |
3493 | * have done the un-import earlier and the import would result | |
3494 | * in the | |
3495 | * route getting injected into appropriate L2 VNIs. If it is | |
3496 | * just | |
3497 | * some other attribute change, the import will result in | |
3498 | * updating | |
3499 | * the attributes for the route in the VNI(s). | |
3500 | */ | |
3501 | if (safi == SAFI_EVPN && !same_attr) | |
40381db7 | 3502 | bgp_evpn_import_route(bgp, afi, safi, p, pi); |
d62a17ae | 3503 | |
3504 | /* Process change. */ | |
40381db7 | 3505 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 3506 | |
3507 | bgp_process(bgp, rn, afi, safi); | |
3508 | bgp_unlock_node(rn); | |
558d1fec | 3509 | |
ddb5b488 PZ |
3510 | if (SAFI_UNICAST == safi |
3511 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3512 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3513 | ||
40381db7 | 3514 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
3515 | } |
3516 | if ((SAFI_MPLS_VPN == safi) | |
3517 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3518 | ||
40381db7 | 3519 | vpn_leak_to_vrf_update(bgp, pi); |
ddb5b488 PZ |
3520 | } |
3521 | ||
28070ee3 | 3522 | #if ENABLE_BGP_VNC |
d62a17ae | 3523 | if (SAFI_MPLS_VPN == safi) { |
3524 | mpls_label_t label_decoded = decode_label(label); | |
28070ee3 | 3525 | |
d62a17ae | 3526 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, |
3527 | type, sub_type, &label_decoded); | |
3528 | } | |
3529 | if (SAFI_ENCAP == safi) { | |
3530 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, | |
3531 | type, sub_type, NULL); | |
3532 | } | |
28070ee3 PZ |
3533 | #endif |
3534 | ||
d62a17ae | 3535 | return 0; |
3536 | } // End of implicit withdraw | |
718e3744 | 3537 | |
d62a17ae | 3538 | /* Received Logging. */ |
3539 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
3540 | if (!peer->rcvd_attr_printed) { | |
3541 | zlog_debug("%s rcvd UPDATE w/ attr: %s", peer->host, | |
3542 | peer->rcvd_attr_str); | |
3543 | peer->rcvd_attr_printed = 1; | |
3544 | } | |
718e3744 | 3545 | |
a4d82a8a | 3546 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3547 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3548 | sizeof(pfx_buf)); | |
3549 | zlog_debug("%s rcvd %s", peer->host, pfx_buf); | |
3550 | } | |
718e3744 | 3551 | |
d62a17ae | 3552 | /* Make new BGP info. */ |
3553 | new = info_make(type, sub_type, 0, peer, attr_new, rn); | |
718e3744 | 3554 | |
d62a17ae | 3555 | /* Update MPLS label */ |
3556 | if (has_valid_label) { | |
18ee8310 | 3557 | extra = bgp_path_info_extra_get(new); |
8ba71050 | 3558 | if (extra->label != label) { |
dbd587da QY |
3559 | memcpy(&extra->label, label, |
3560 | num_labels * sizeof(mpls_label_t)); | |
8ba71050 NS |
3561 | extra->num_labels = num_labels; |
3562 | } | |
b57ba6d2 MK |
3563 | if (!(afi == AFI_L2VPN && safi == SAFI_EVPN)) |
3564 | bgp_set_valid_label(&extra->label[0]); | |
fc9a856f | 3565 | } |
718e3744 | 3566 | |
d62a17ae | 3567 | /* Update Overlay Index */ |
3568 | if (afi == AFI_L2VPN) { | |
3569 | overlay_index_update(new->attr, | |
3570 | evpn == NULL ? NULL : &evpn->eth_s_id, | |
3571 | evpn == NULL ? NULL : &evpn->gw_ip); | |
3572 | } | |
3573 | /* Nexthop reachability check. */ | |
3574 | if ((afi == AFI_IP || afi == AFI_IP6) | |
3575 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) { | |
3576 | if (peer->sort == BGP_PEER_EBGP && peer->ttl == 1 | |
3577 | && !CHECK_FLAG(peer->flags, | |
3578 | PEER_FLAG_DISABLE_CONNECTED_CHECK) | |
3579 | && !bgp_flag_check(bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK)) | |
3580 | connected = 1; | |
3581 | else | |
3582 | connected = 0; | |
3583 | ||
960035b2 | 3584 | if (bgp_find_or_add_nexthop(bgp, bgp, afi, new, NULL, connected) |
a4d82a8a | 3585 | || CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD)) |
18ee8310 | 3586 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 3587 | else { |
3588 | if (BGP_DEBUG(nht, NHT)) { | |
3589 | char buf1[INET6_ADDRSTRLEN]; | |
3590 | inet_ntop(AF_INET, | |
3591 | (const void *)&attr_new->nexthop, | |
3592 | buf1, INET6_ADDRSTRLEN); | |
3593 | zlog_debug("%s(%s): NH unresolved", | |
3594 | __FUNCTION__, buf1); | |
3595 | } | |
18ee8310 | 3596 | bgp_path_info_unset_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 3597 | } |
3598 | } else | |
18ee8310 | 3599 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
a82478b9 | 3600 | |
d62a17ae | 3601 | /* Addpath ID */ |
3602 | new->addpath_rx_id = addpath_id; | |
3603 | ||
3604 | /* Increment prefix */ | |
3605 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
3606 | ||
3607 | /* Register new BGP information. */ | |
18ee8310 | 3608 | bgp_path_info_add(rn, new); |
d62a17ae | 3609 | |
3610 | /* route_node_get lock */ | |
3611 | bgp_unlock_node(rn); | |
558d1fec | 3612 | |
65efcfce | 3613 | #if ENABLE_BGP_VNC |
d62a17ae | 3614 | if (safi == SAFI_MPLS_VPN) { |
3615 | struct bgp_node *prn = NULL; | |
3616 | struct bgp_table *table = NULL; | |
3617 | ||
3618 | prn = bgp_node_get(bgp->rib[afi][safi], (struct prefix *)prd); | |
67009e22 DS |
3619 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3620 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3621 | |
3622 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
3623 | bgp, prd, table, p, new); | |
3624 | } | |
3625 | bgp_unlock_node(prn); | |
3626 | } | |
65efcfce LB |
3627 | #endif |
3628 | ||
d62a17ae | 3629 | /* If maximum prefix count is configured and current prefix |
3630 | count exeed it. */ | |
3631 | if (bgp_maximum_prefix_overflow(peer, afi, safi, 0)) | |
3632 | return -1; | |
718e3744 | 3633 | |
d62a17ae | 3634 | /* If this is an EVPN route, process for import. */ |
3635 | if (safi == SAFI_EVPN) | |
3636 | bgp_evpn_import_route(bgp, afi, safi, p, new); | |
128ea8ab | 3637 | |
4a11bf2c DL |
3638 | hook_call(bgp_process, bgp, afi, safi, rn, peer, false); |
3639 | ||
d62a17ae | 3640 | /* Process change. */ |
3641 | bgp_process(bgp, rn, afi, safi); | |
718e3744 | 3642 | |
ddb5b488 PZ |
3643 | if (SAFI_UNICAST == safi |
3644 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3645 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3646 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
3647 | } | |
3648 | if ((SAFI_MPLS_VPN == safi) | |
3649 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3650 | ||
3651 | vpn_leak_to_vrf_update(bgp, new); | |
3652 | } | |
28070ee3 | 3653 | #if ENABLE_BGP_VNC |
d62a17ae | 3654 | if (SAFI_MPLS_VPN == safi) { |
3655 | mpls_label_t label_decoded = decode_label(label); | |
28070ee3 | 3656 | |
d62a17ae | 3657 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, type, |
3658 | sub_type, &label_decoded); | |
3659 | } | |
3660 | if (SAFI_ENCAP == safi) { | |
3661 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, type, | |
3662 | sub_type, NULL); | |
3663 | } | |
28070ee3 PZ |
3664 | #endif |
3665 | ||
d62a17ae | 3666 | return 0; |
718e3744 | 3667 | |
d62a17ae | 3668 | /* This BGP update is filtered. Log the reason then update BGP |
3669 | entry. */ | |
3670 | filtered: | |
4a11bf2c DL |
3671 | hook_call(bgp_process, bgp, afi, safi, rn, peer, true); |
3672 | ||
d62a17ae | 3673 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3674 | if (!peer->rcvd_attr_printed) { | |
3675 | zlog_debug("%s rcvd UPDATE w/ attr: %s", peer->host, | |
3676 | peer->rcvd_attr_str); | |
3677 | peer->rcvd_attr_printed = 1; | |
3678 | } | |
718e3744 | 3679 | |
a4d82a8a | 3680 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3681 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3682 | sizeof(pfx_buf)); | |
3683 | zlog_debug("%s rcvd UPDATE about %s -- DENIED due to: %s", | |
3684 | peer->host, pfx_buf, reason); | |
3685 | } | |
128ea8ab | 3686 | |
40381db7 | 3687 | if (pi) { |
d62a17ae | 3688 | /* If this is an EVPN route, un-import it as it is now filtered. |
3689 | */ | |
3690 | if (safi == SAFI_EVPN) | |
40381db7 | 3691 | bgp_evpn_unimport_route(bgp, afi, safi, p, pi); |
718e3744 | 3692 | |
ddb5b488 PZ |
3693 | if (SAFI_UNICAST == safi |
3694 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3695 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3696 | ||
40381db7 | 3697 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
3698 | } |
3699 | if ((SAFI_MPLS_VPN == safi) | |
3700 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3701 | ||
40381db7 | 3702 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 PZ |
3703 | } |
3704 | ||
40381db7 | 3705 | bgp_rib_remove(rn, pi, peer, afi, safi); |
d62a17ae | 3706 | } |
3707 | ||
3708 | bgp_unlock_node(rn); | |
558d1fec | 3709 | |
97736e32 | 3710 | #if ENABLE_BGP_VNC |
d62a17ae | 3711 | /* |
3712 | * Filtered update is treated as an implicit withdrawal (see | |
3713 | * bgp_rib_remove() | |
3714 | * a few lines above) | |
3715 | */ | |
3716 | if ((SAFI_MPLS_VPN == safi) || (SAFI_ENCAP == safi)) { | |
3717 | rfapiProcessWithdraw(peer, NULL, p, prd, NULL, afi, safi, type, | |
3718 | 0); | |
3719 | } | |
97736e32 PZ |
3720 | #endif |
3721 | ||
d62a17ae | 3722 | return 0; |
718e3744 | 3723 | } |
3724 | ||
d7c0a89a | 3725 | int bgp_withdraw(struct peer *peer, struct prefix *p, uint32_t addpath_id, |
d62a17ae | 3726 | struct attr *attr, afi_t afi, safi_t safi, int type, |
a4d82a8a | 3727 | int sub_type, struct prefix_rd *prd, mpls_label_t *label, |
d7c0a89a | 3728 | uint32_t num_labels, struct bgp_route_evpn *evpn) |
718e3744 | 3729 | { |
d62a17ae | 3730 | struct bgp *bgp; |
3731 | char pfx_buf[BGP_PRD_PATH_STRLEN]; | |
3732 | struct bgp_node *rn; | |
40381db7 | 3733 | struct bgp_path_info *pi; |
718e3744 | 3734 | |
28070ee3 | 3735 | #if ENABLE_BGP_VNC |
d62a17ae | 3736 | if ((SAFI_MPLS_VPN == safi) || (SAFI_ENCAP == safi)) { |
3737 | rfapiProcessWithdraw(peer, NULL, p, prd, NULL, afi, safi, type, | |
3738 | 0); | |
3739 | } | |
28070ee3 PZ |
3740 | #endif |
3741 | ||
d62a17ae | 3742 | bgp = peer->bgp; |
3743 | ||
3744 | /* Lookup node. */ | |
3745 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
3746 | ||
3747 | /* If peer is soft reconfiguration enabled. Record input packet for | |
3748 | * further calculation. | |
3749 | * | |
3750 | * Cisco IOS 12.4(24)T4 on session establishment sends withdraws for all | |
3751 | * routes that are filtered. This tanks out Quagga RS pretty badly due | |
3752 | * to | |
3753 | * the iteration over all RS clients. | |
3754 | * Since we need to remove the entry from adj_in anyway, do that first | |
3755 | * and | |
3756 | * if there was no entry, we don't need to do anything more. | |
3757 | */ | |
3758 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG) | |
3759 | && peer != bgp->peer_self) | |
3760 | if (!bgp_adj_in_unset(rn, peer, addpath_id)) { | |
b4d46cc9 DL |
3761 | peer->stat_pfx_dup_withdraw++; |
3762 | ||
d62a17ae | 3763 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3764 | bgp_debug_rdpfxpath2str( | |
a4d82a8a | 3765 | afi, safi, prd, p, label, num_labels, |
d62a17ae | 3766 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3767 | sizeof(pfx_buf)); | |
3768 | zlog_debug( | |
3769 | "%s withdrawing route %s not in adj-in", | |
3770 | peer->host, pfx_buf); | |
3771 | } | |
3772 | bgp_unlock_node(rn); | |
3773 | return 0; | |
3774 | } | |
cd808e74 | 3775 | |
d62a17ae | 3776 | /* Lookup withdrawn route. */ |
6f94b685 | 3777 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
3778 | if (pi->peer == peer && pi->type == type |
3779 | && pi->sub_type == sub_type | |
3780 | && pi->addpath_rx_id == addpath_id) | |
d62a17ae | 3781 | break; |
3782 | ||
3783 | /* Logging. */ | |
3784 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a | 3785 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3786 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3787 | sizeof(pfx_buf)); | |
3788 | zlog_debug("%s rcvd UPDATE about %s -- withdrawn", peer->host, | |
3789 | pfx_buf); | |
3790 | } | |
718e3744 | 3791 | |
d62a17ae | 3792 | /* Withdraw specified route from routing table. */ |
40381db7 DS |
3793 | if (pi && !CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) { |
3794 | bgp_rib_withdraw(rn, pi, peer, afi, safi, prd); | |
ddb5b488 PZ |
3795 | if (SAFI_UNICAST == safi |
3796 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3797 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
40381db7 | 3798 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
3799 | } |
3800 | if ((SAFI_MPLS_VPN == safi) | |
3801 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3802 | ||
40381db7 | 3803 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 PZ |
3804 | } |
3805 | } else if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a | 3806 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3807 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3808 | sizeof(pfx_buf)); | |
3809 | zlog_debug("%s Can't find the route %s", peer->host, pfx_buf); | |
3810 | } | |
718e3744 | 3811 | |
d62a17ae | 3812 | /* Unlock bgp_node_get() lock. */ |
3813 | bgp_unlock_node(rn); | |
3814 | ||
3815 | return 0; | |
718e3744 | 3816 | } |
6b0655a2 | 3817 | |
d62a17ae | 3818 | void bgp_default_originate(struct peer *peer, afi_t afi, safi_t safi, |
3819 | int withdraw) | |
718e3744 | 3820 | { |
d62a17ae | 3821 | struct update_subgroup *subgrp; |
3822 | subgrp = peer_subgroup(peer, afi, safi); | |
3823 | subgroup_default_originate(subgrp, withdraw); | |
3f9c7369 | 3824 | } |
6182d65b | 3825 | |
718e3744 | 3826 | |
3f9c7369 DS |
3827 | /* |
3828 | * bgp_stop_announce_route_timer | |
3829 | */ | |
d62a17ae | 3830 | void bgp_stop_announce_route_timer(struct peer_af *paf) |
3f9c7369 | 3831 | { |
d62a17ae | 3832 | if (!paf->t_announce_route) |
3833 | return; | |
3834 | ||
3835 | THREAD_TIMER_OFF(paf->t_announce_route); | |
718e3744 | 3836 | } |
6b0655a2 | 3837 | |
3f9c7369 DS |
3838 | /* |
3839 | * bgp_announce_route_timer_expired | |
3840 | * | |
3841 | * Callback that is invoked when the route announcement timer for a | |
3842 | * peer_af expires. | |
3843 | */ | |
d62a17ae | 3844 | static int bgp_announce_route_timer_expired(struct thread *t) |
718e3744 | 3845 | { |
d62a17ae | 3846 | struct peer_af *paf; |
3847 | struct peer *peer; | |
558d1fec | 3848 | |
d62a17ae | 3849 | paf = THREAD_ARG(t); |
3850 | peer = paf->peer; | |
718e3744 | 3851 | |
d62a17ae | 3852 | if (peer->status != Established) |
3853 | return 0; | |
3f9c7369 | 3854 | |
d62a17ae | 3855 | if (!peer->afc_nego[paf->afi][paf->safi]) |
3856 | return 0; | |
3f9c7369 | 3857 | |
d62a17ae | 3858 | peer_af_announce_route(paf, 1); |
3859 | return 0; | |
718e3744 | 3860 | } |
3861 | ||
3f9c7369 DS |
3862 | /* |
3863 | * bgp_announce_route | |
3864 | * | |
3865 | * *Triggers* announcement of routes of a given AFI/SAFI to a peer. | |
3866 | */ | |
d62a17ae | 3867 | void bgp_announce_route(struct peer *peer, afi_t afi, safi_t safi) |
3868 | { | |
3869 | struct peer_af *paf; | |
3870 | struct update_subgroup *subgrp; | |
3871 | ||
3872 | paf = peer_af_find(peer, afi, safi); | |
3873 | if (!paf) | |
3874 | return; | |
3875 | subgrp = PAF_SUBGRP(paf); | |
3876 | ||
3877 | /* | |
3878 | * Ignore if subgroup doesn't exist (implies AF is not negotiated) | |
3879 | * or a refresh has already been triggered. | |
3880 | */ | |
3881 | if (!subgrp || paf->t_announce_route) | |
3882 | return; | |
3883 | ||
3884 | /* | |
3885 | * Start a timer to stagger/delay the announce. This serves | |
3886 | * two purposes - announcement can potentially be combined for | |
3887 | * multiple peers and the announcement doesn't happen in the | |
3888 | * vty context. | |
3889 | */ | |
3890 | thread_add_timer_msec(bm->master, bgp_announce_route_timer_expired, paf, | |
3891 | (subgrp->peer_count == 1) | |
3892 | ? BGP_ANNOUNCE_ROUTE_SHORT_DELAY_MS | |
3893 | : BGP_ANNOUNCE_ROUTE_DELAY_MS, | |
3894 | &paf->t_announce_route); | |
3f9c7369 DS |
3895 | } |
3896 | ||
3897 | /* | |
3898 | * Announce routes from all AF tables to a peer. | |
3899 | * | |
3900 | * This should ONLY be called when there is a need to refresh the | |
3901 | * routes to the peer based on a policy change for this peer alone | |
3902 | * or a route refresh request received from the peer. | |
3903 | * The operation will result in splitting the peer from its existing | |
3904 | * subgroups and putting it in new subgroups. | |
3905 | */ | |
d62a17ae | 3906 | void bgp_announce_route_all(struct peer *peer) |
718e3744 | 3907 | { |
d62a17ae | 3908 | afi_t afi; |
3909 | safi_t safi; | |
3910 | ||
05c7a1cc QY |
3911 | FOREACH_AFI_SAFI (afi, safi) |
3912 | bgp_announce_route(peer, afi, safi); | |
718e3744 | 3913 | } |
6b0655a2 | 3914 | |
d62a17ae | 3915 | static void bgp_soft_reconfig_table(struct peer *peer, afi_t afi, safi_t safi, |
3916 | struct bgp_table *table, | |
3917 | struct prefix_rd *prd) | |
718e3744 | 3918 | { |
d62a17ae | 3919 | int ret; |
3920 | struct bgp_node *rn; | |
3921 | struct bgp_adj_in *ain; | |
718e3744 | 3922 | |
d62a17ae | 3923 | if (!table) |
3924 | table = peer->bgp->rib[afi][safi]; | |
718e3744 | 3925 | |
d62a17ae | 3926 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) |
3927 | for (ain = rn->adj_in; ain; ain = ain->next) { | |
ea47320b DL |
3928 | if (ain->peer != peer) |
3929 | continue; | |
8692c506 | 3930 | |
d7d15889 | 3931 | struct bgp_path_info *pi; |
d7c0a89a | 3932 | uint32_t num_labels = 0; |
b57ba6d2 | 3933 | mpls_label_t *label_pnt = NULL; |
8cb687c2 | 3934 | struct bgp_route_evpn evpn; |
b57ba6d2 | 3935 | |
d7d15889 DS |
3936 | for (pi = bgp_node_get_bgp_path_info(rn); pi; |
3937 | pi = pi->next) | |
3938 | if (pi->peer == peer) | |
3939 | break; | |
3940 | ||
40381db7 DS |
3941 | if (pi && pi->extra) |
3942 | num_labels = pi->extra->num_labels; | |
b57ba6d2 | 3943 | if (num_labels) |
40381db7 | 3944 | label_pnt = &pi->extra->label[0]; |
8cb687c2 DS |
3945 | if (pi) |
3946 | memcpy(&evpn, &pi->attr->evpn_overlay, | |
3947 | sizeof(evpn)); | |
3948 | else | |
3949 | memset(&evpn, 0, sizeof(evpn)); | |
8692c506 | 3950 | |
ea47320b DL |
3951 | ret = bgp_update(peer, &rn->p, ain->addpath_rx_id, |
3952 | ain->attr, afi, safi, ZEBRA_ROUTE_BGP, | |
a4d82a8a | 3953 | BGP_ROUTE_NORMAL, prd, label_pnt, |
8cb687c2 | 3954 | num_labels, 1, &evpn); |
ea47320b DL |
3955 | |
3956 | if (ret < 0) { | |
3957 | bgp_unlock_node(rn); | |
3958 | return; | |
d62a17ae | 3959 | } |
3960 | } | |
718e3744 | 3961 | } |
3962 | ||
d62a17ae | 3963 | void bgp_soft_reconfig_in(struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 3964 | { |
d62a17ae | 3965 | struct bgp_node *rn; |
3966 | struct bgp_table *table; | |
718e3744 | 3967 | |
d62a17ae | 3968 | if (peer->status != Established) |
3969 | return; | |
718e3744 | 3970 | |
d62a17ae | 3971 | if ((safi != SAFI_MPLS_VPN) && (safi != SAFI_ENCAP) |
3972 | && (safi != SAFI_EVPN)) | |
3973 | bgp_soft_reconfig_table(peer, afi, safi, NULL, NULL); | |
3974 | else | |
3975 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
67009e22 DS |
3976 | rn = bgp_route_next(rn)) { |
3977 | table = bgp_node_get_bgp_table_info(rn); | |
3978 | if (table != NULL) { | |
d62a17ae | 3979 | struct prefix_rd prd; |
67009e22 | 3980 | |
d62a17ae | 3981 | prd.family = AF_UNSPEC; |
3982 | prd.prefixlen = 64; | |
3983 | memcpy(&prd.val, rn->p.u.val, 8); | |
8692c506 | 3984 | |
d62a17ae | 3985 | bgp_soft_reconfig_table(peer, afi, safi, table, |
3986 | &prd); | |
3987 | } | |
67009e22 | 3988 | } |
718e3744 | 3989 | } |
6b0655a2 | 3990 | |
228da428 | 3991 | |
d62a17ae | 3992 | struct bgp_clear_node_queue { |
3993 | struct bgp_node *rn; | |
228da428 CC |
3994 | }; |
3995 | ||
d62a17ae | 3996 | static wq_item_status bgp_clear_route_node(struct work_queue *wq, void *data) |
200df115 | 3997 | { |
d62a17ae | 3998 | struct bgp_clear_node_queue *cnq = data; |
3999 | struct bgp_node *rn = cnq->rn; | |
4000 | struct peer *peer = wq->spec.data; | |
40381db7 | 4001 | struct bgp_path_info *pi; |
3103e8d2 | 4002 | struct bgp *bgp; |
d62a17ae | 4003 | afi_t afi = bgp_node_table(rn)->afi; |
4004 | safi_t safi = bgp_node_table(rn)->safi; | |
4005 | ||
4006 | assert(rn && peer); | |
3103e8d2 | 4007 | bgp = peer->bgp; |
d62a17ae | 4008 | |
4009 | /* It is possible that we have multiple paths for a prefix from a peer | |
4010 | * if that peer is using AddPath. | |
4011 | */ | |
6f94b685 | 4012 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 4013 | if (pi->peer != peer) |
ea47320b DL |
4014 | continue; |
4015 | ||
4016 | /* graceful restart STALE flag set. */ | |
4017 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_NSF_WAIT) | |
4018 | && peer->nsf[afi][safi] | |
40381db7 DS |
4019 | && !CHECK_FLAG(pi->flags, BGP_PATH_STALE) |
4020 | && !CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) | |
4021 | bgp_path_info_set_flag(rn, pi, BGP_PATH_STALE); | |
ea47320b DL |
4022 | else { |
4023 | /* If this is an EVPN route, process for | |
4024 | * un-import. */ | |
4025 | if (safi == SAFI_EVPN) | |
40381db7 DS |
4026 | bgp_evpn_unimport_route(bgp, afi, safi, &rn->p, |
4027 | pi); | |
3103e8d2 DS |
4028 | /* Handle withdraw for VRF route-leaking and L3VPN */ |
4029 | if (SAFI_UNICAST == safi | |
4030 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF || | |
960035b2 | 4031 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { |
3103e8d2 | 4032 | vpn_leak_from_vrf_withdraw(bgp_get_default(), |
40381db7 | 4033 | bgp, pi); |
960035b2 | 4034 | } |
3103e8d2 | 4035 | if (SAFI_MPLS_VPN == safi && |
960035b2 | 4036 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { |
40381db7 | 4037 | vpn_leak_to_vrf_withdraw(bgp, pi); |
960035b2 | 4038 | } |
3103e8d2 | 4039 | |
40381db7 | 4040 | bgp_rib_remove(rn, pi, peer, afi, safi); |
d62a17ae | 4041 | } |
ea47320b | 4042 | } |
d62a17ae | 4043 | return WQ_SUCCESS; |
200df115 | 4044 | } |
4045 | ||
d62a17ae | 4046 | static void bgp_clear_node_queue_del(struct work_queue *wq, void *data) |
200df115 | 4047 | { |
d62a17ae | 4048 | struct bgp_clear_node_queue *cnq = data; |
4049 | struct bgp_node *rn = cnq->rn; | |
4050 | struct bgp_table *table = bgp_node_table(rn); | |
228da428 | 4051 | |
d62a17ae | 4052 | bgp_unlock_node(rn); |
4053 | bgp_table_unlock(table); | |
4054 | XFREE(MTYPE_BGP_CLEAR_NODE_QUEUE, cnq); | |
200df115 | 4055 | } |
4056 | ||
d62a17ae | 4057 | static void bgp_clear_node_complete(struct work_queue *wq) |
200df115 | 4058 | { |
d62a17ae | 4059 | struct peer *peer = wq->spec.data; |
64e580a7 | 4060 | |
d62a17ae | 4061 | /* Tickle FSM to start moving again */ |
4062 | BGP_EVENT_ADD(peer, Clearing_Completed); | |
4063 | ||
4064 | peer_unlock(peer); /* bgp_clear_route */ | |
200df115 | 4065 | } |
718e3744 | 4066 | |
d62a17ae | 4067 | static void bgp_clear_node_queue_init(struct peer *peer) |
200df115 | 4068 | { |
d62a17ae | 4069 | char wname[sizeof("clear xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx")]; |
4070 | ||
4071 | snprintf(wname, sizeof(wname), "clear %s", peer->host); | |
4072 | #undef CLEAR_QUEUE_NAME_LEN | |
4073 | ||
0ce1ca80 | 4074 | peer->clear_node_queue = work_queue_new(bm->master, wname); |
d62a17ae | 4075 | peer->clear_node_queue->spec.hold = 10; |
4076 | peer->clear_node_queue->spec.workfunc = &bgp_clear_route_node; | |
4077 | peer->clear_node_queue->spec.del_item_data = &bgp_clear_node_queue_del; | |
4078 | peer->clear_node_queue->spec.completion_func = &bgp_clear_node_complete; | |
4079 | peer->clear_node_queue->spec.max_retries = 0; | |
4080 | ||
4081 | /* we only 'lock' this peer reference when the queue is actually active | |
4082 | */ | |
4083 | peer->clear_node_queue->spec.data = peer; | |
65ca75e0 PJ |
4084 | } |
4085 | ||
d62a17ae | 4086 | static void bgp_clear_route_table(struct peer *peer, afi_t afi, safi_t safi, |
4087 | struct bgp_table *table) | |
65ca75e0 | 4088 | { |
d62a17ae | 4089 | struct bgp_node *rn; |
4090 | int force = bm->process_main_queue ? 0 : 1; | |
6cf159b9 | 4091 | |
d62a17ae | 4092 | if (!table) |
4093 | table = peer->bgp->rib[afi][safi]; | |
dc83d712 | 4094 | |
d62a17ae | 4095 | /* If still no table => afi/safi isn't configured at all or smth. */ |
4096 | if (!table) | |
4097 | return; | |
dc83d712 | 4098 | |
d62a17ae | 4099 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
40381db7 | 4100 | struct bgp_path_info *pi, *next; |
d62a17ae | 4101 | struct bgp_adj_in *ain; |
4102 | struct bgp_adj_in *ain_next; | |
4103 | ||
4104 | /* XXX:TODO: This is suboptimal, every non-empty route_node is | |
4105 | * queued for every clearing peer, regardless of whether it is | |
4106 | * relevant to the peer at hand. | |
4107 | * | |
4108 | * Overview: There are 3 different indices which need to be | |
4109 | * scrubbed, potentially, when a peer is removed: | |
4110 | * | |
4111 | * 1 peer's routes visible via the RIB (ie accepted routes) | |
4112 | * 2 peer's routes visible by the (optional) peer's adj-in index | |
4113 | * 3 other routes visible by the peer's adj-out index | |
4114 | * | |
4115 | * 3 there is no hurry in scrubbing, once the struct peer is | |
4116 | * removed from bgp->peer, we could just GC such deleted peer's | |
4117 | * adj-outs at our leisure. | |
4118 | * | |
4119 | * 1 and 2 must be 'scrubbed' in some way, at least made | |
4120 | * invisible via RIB index before peer session is allowed to be | |
4121 | * brought back up. So one needs to know when such a 'search' is | |
4122 | * complete. | |
4123 | * | |
4124 | * Ideally: | |
4125 | * | |
4126 | * - there'd be a single global queue or a single RIB walker | |
4127 | * - rather than tracking which route_nodes still need to be | |
4128 | * examined on a peer basis, we'd track which peers still | |
4129 | * aren't cleared | |
4130 | * | |
4131 | * Given that our per-peer prefix-counts now should be reliable, | |
4132 | * this may actually be achievable. It doesn't seem to be a huge | |
4133 | * problem at this time, | |
4134 | * | |
4135 | * It is possible that we have multiple paths for a prefix from | |
4136 | * a peer | |
4137 | * if that peer is using AddPath. | |
4138 | */ | |
4139 | ain = rn->adj_in; | |
4140 | while (ain) { | |
4141 | ain_next = ain->next; | |
4142 | ||
4143 | if (ain->peer == peer) { | |
4144 | bgp_adj_in_remove(rn, ain); | |
4145 | bgp_unlock_node(rn); | |
4146 | } | |
4147 | ||
4148 | ain = ain_next; | |
4149 | } | |
4150 | ||
6f94b685 | 4151 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = next) { |
40381db7 DS |
4152 | next = pi->next; |
4153 | if (pi->peer != peer) | |
d62a17ae | 4154 | continue; |
4155 | ||
4156 | if (force) | |
40381db7 | 4157 | bgp_path_info_reap(rn, pi); |
d62a17ae | 4158 | else { |
4159 | struct bgp_clear_node_queue *cnq; | |
4160 | ||
4161 | /* both unlocked in bgp_clear_node_queue_del */ | |
4162 | bgp_table_lock(bgp_node_table(rn)); | |
4163 | bgp_lock_node(rn); | |
4164 | cnq = XCALLOC( | |
4165 | MTYPE_BGP_CLEAR_NODE_QUEUE, | |
4166 | sizeof(struct bgp_clear_node_queue)); | |
4167 | cnq->rn = rn; | |
4168 | work_queue_add(peer->clear_node_queue, cnq); | |
4169 | break; | |
4170 | } | |
4171 | } | |
4172 | } | |
4173 | return; | |
4174 | } | |
4175 | ||
4176 | void bgp_clear_route(struct peer *peer, afi_t afi, safi_t safi) | |
4177 | { | |
4178 | struct bgp_node *rn; | |
4179 | struct bgp_table *table; | |
4180 | ||
4181 | if (peer->clear_node_queue == NULL) | |
4182 | bgp_clear_node_queue_init(peer); | |
4183 | ||
4184 | /* bgp_fsm.c keeps sessions in state Clearing, not transitioning to | |
4185 | * Idle until it receives a Clearing_Completed event. This protects | |
4186 | * against peers which flap faster than we can we clear, which could | |
4187 | * lead to: | |
4188 | * | |
4189 | * a) race with routes from the new session being installed before | |
4190 | * clear_route_node visits the node (to delete the route of that | |
4191 | * peer) | |
4192 | * b) resource exhaustion, clear_route_node likely leads to an entry | |
4193 | * on the process_main queue. Fast-flapping could cause that queue | |
4194 | * to grow and grow. | |
4195 | */ | |
4196 | ||
4197 | /* lock peer in assumption that clear-node-queue will get nodes; if so, | |
4198 | * the unlock will happen upon work-queue completion; other wise, the | |
4199 | * unlock happens at the end of this function. | |
4200 | */ | |
4201 | if (!peer->clear_node_queue->thread) | |
4202 | peer_lock(peer); | |
4203 | ||
4204 | if (safi != SAFI_MPLS_VPN && safi != SAFI_ENCAP && safi != SAFI_EVPN) | |
4205 | bgp_clear_route_table(peer, afi, safi, NULL); | |
4206 | else | |
4207 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
67009e22 DS |
4208 | rn = bgp_route_next(rn)) { |
4209 | table = bgp_node_get_bgp_table_info(rn); | |
4210 | if (!table) | |
4211 | continue; | |
4212 | ||
4213 | bgp_clear_route_table(peer, afi, safi, table); | |
4214 | } | |
d62a17ae | 4215 | |
4216 | /* unlock if no nodes got added to the clear-node-queue. */ | |
4217 | if (!peer->clear_node_queue->thread) | |
4218 | peer_unlock(peer); | |
718e3744 | 4219 | } |
d62a17ae | 4220 | |
4221 | void bgp_clear_route_all(struct peer *peer) | |
718e3744 | 4222 | { |
d62a17ae | 4223 | afi_t afi; |
4224 | safi_t safi; | |
718e3744 | 4225 | |
05c7a1cc QY |
4226 | FOREACH_AFI_SAFI (afi, safi) |
4227 | bgp_clear_route(peer, afi, safi); | |
65efcfce LB |
4228 | |
4229 | #if ENABLE_BGP_VNC | |
d62a17ae | 4230 | rfapiProcessPeerDown(peer); |
65efcfce | 4231 | #endif |
718e3744 | 4232 | } |
4233 | ||
d62a17ae | 4234 | void bgp_clear_adj_in(struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 4235 | { |
d62a17ae | 4236 | struct bgp_table *table; |
4237 | struct bgp_node *rn; | |
4238 | struct bgp_adj_in *ain; | |
4239 | struct bgp_adj_in *ain_next; | |
718e3744 | 4240 | |
d62a17ae | 4241 | table = peer->bgp->rib[afi][safi]; |
718e3744 | 4242 | |
d62a17ae | 4243 | /* It is possible that we have multiple paths for a prefix from a peer |
4244 | * if that peer is using AddPath. | |
4245 | */ | |
4246 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
4247 | ain = rn->adj_in; | |
43143c8f | 4248 | |
d62a17ae | 4249 | while (ain) { |
4250 | ain_next = ain->next; | |
43143c8f | 4251 | |
d62a17ae | 4252 | if (ain->peer == peer) { |
4253 | bgp_adj_in_remove(rn, ain); | |
4254 | bgp_unlock_node(rn); | |
4255 | } | |
43143c8f | 4256 | |
d62a17ae | 4257 | ain = ain_next; |
4258 | } | |
4259 | } | |
718e3744 | 4260 | } |
93406d87 | 4261 | |
d62a17ae | 4262 | void bgp_clear_stale_route(struct peer *peer, afi_t afi, safi_t safi) |
4263 | { | |
4264 | struct bgp_node *rn; | |
40381db7 | 4265 | struct bgp_path_info *pi; |
d62a17ae | 4266 | struct bgp_table *table; |
4267 | ||
4268 | if (safi == SAFI_MPLS_VPN) { | |
4269 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
4270 | rn = bgp_route_next(rn)) { | |
4271 | struct bgp_node *rm; | |
d62a17ae | 4272 | |
4273 | /* look for neighbor in tables */ | |
67009e22 DS |
4274 | table = bgp_node_get_bgp_table_info(rn); |
4275 | if (!table) | |
ea47320b DL |
4276 | continue; |
4277 | ||
4278 | for (rm = bgp_table_top(table); rm; | |
4279 | rm = bgp_route_next(rm)) | |
6f94b685 DS |
4280 | for (pi = bgp_node_get_bgp_path_info(rm); pi; |
4281 | pi = pi->next) { | |
40381db7 | 4282 | if (pi->peer != peer) |
ea47320b | 4283 | continue; |
40381db7 | 4284 | if (!CHECK_FLAG(pi->flags, |
1defdda8 | 4285 | BGP_PATH_STALE)) |
ea47320b DL |
4286 | break; |
4287 | ||
40381db7 | 4288 | bgp_rib_remove(rm, pi, peer, afi, safi); |
ea47320b DL |
4289 | break; |
4290 | } | |
d62a17ae | 4291 | } |
4292 | } else { | |
4293 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
4294 | rn = bgp_route_next(rn)) | |
6f94b685 DS |
4295 | for (pi = bgp_node_get_bgp_path_info(rn); pi; |
4296 | pi = pi->next) { | |
40381db7 | 4297 | if (pi->peer != peer) |
ea47320b | 4298 | continue; |
40381db7 | 4299 | if (!CHECK_FLAG(pi->flags, BGP_PATH_STALE)) |
d62a17ae | 4300 | break; |
40381db7 | 4301 | bgp_rib_remove(rn, pi, peer, afi, safi); |
ea47320b DL |
4302 | break; |
4303 | } | |
d62a17ae | 4304 | } |
93406d87 | 4305 | } |
6b0655a2 | 4306 | |
9dac9fc8 DA |
4307 | int bgp_outbound_policy_exists(struct peer *peer, struct bgp_filter *filter) |
4308 | { | |
4309 | if (peer->sort == BGP_PEER_EBGP | |
4310 | && (ROUTE_MAP_OUT_NAME(filter) || PREFIX_LIST_OUT_NAME(filter) | |
4311 | || FILTER_LIST_OUT_NAME(filter) | |
4312 | || DISTRIBUTE_OUT_NAME(filter))) | |
4313 | return 1; | |
4314 | return 0; | |
4315 | } | |
4316 | ||
4317 | int bgp_inbound_policy_exists(struct peer *peer, struct bgp_filter *filter) | |
4318 | { | |
4319 | if (peer->sort == BGP_PEER_EBGP | |
4320 | && (ROUTE_MAP_IN_NAME(filter) || PREFIX_LIST_IN_NAME(filter) | |
4321 | || FILTER_LIST_IN_NAME(filter) | |
4322 | || DISTRIBUTE_IN_NAME(filter))) | |
4323 | return 1; | |
4324 | return 0; | |
4325 | } | |
4326 | ||
568e10ca | 4327 | static void bgp_cleanup_table(struct bgp *bgp, struct bgp_table *table, |
4328 | safi_t safi) | |
bb86c601 | 4329 | { |
d62a17ae | 4330 | struct bgp_node *rn; |
40381db7 | 4331 | struct bgp_path_info *pi; |
4b7e6066 | 4332 | struct bgp_path_info *next; |
bb86c601 | 4333 | |
d62a17ae | 4334 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) |
6f94b685 | 4335 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = next) { |
40381db7 | 4336 | next = pi->next; |
1b7bb747 CS |
4337 | |
4338 | /* Unimport EVPN routes from VRFs */ | |
4339 | if (safi == SAFI_EVPN) | |
4340 | bgp_evpn_unimport_route(bgp, AFI_L2VPN, | |
4341 | SAFI_EVPN, | |
4342 | &rn->p, pi); | |
4343 | ||
40381db7 DS |
4344 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED) |
4345 | && pi->type == ZEBRA_ROUTE_BGP | |
4346 | && (pi->sub_type == BGP_ROUTE_NORMAL | |
4347 | || pi->sub_type == BGP_ROUTE_AGGREGATE | |
4348 | || pi->sub_type == BGP_ROUTE_IMPORTED)) { | |
ddb5b488 | 4349 | |
d62a17ae | 4350 | if (bgp_fibupd_safi(safi)) |
40381db7 DS |
4351 | bgp_zebra_withdraw(&rn->p, pi, bgp, |
4352 | safi); | |
4353 | bgp_path_info_reap(rn, pi); | |
d62a17ae | 4354 | } |
4355 | } | |
bb86c601 LB |
4356 | } |
4357 | ||
718e3744 | 4358 | /* Delete all kernel routes. */ |
d62a17ae | 4359 | void bgp_cleanup_routes(struct bgp *bgp) |
4360 | { | |
4361 | afi_t afi; | |
4362 | struct bgp_node *rn; | |
67009e22 | 4363 | struct bgp_table *table; |
d62a17ae | 4364 | |
4365 | for (afi = AFI_IP; afi < AFI_MAX; ++afi) { | |
4366 | if (afi == AFI_L2VPN) | |
4367 | continue; | |
568e10ca | 4368 | bgp_cleanup_table(bgp, bgp->rib[afi][SAFI_UNICAST], |
4369 | SAFI_UNICAST); | |
d62a17ae | 4370 | /* |
4371 | * VPN and ENCAP and EVPN tables are two-level (RD is top level) | |
4372 | */ | |
4373 | if (afi != AFI_L2VPN) { | |
4374 | safi_t safi; | |
4375 | safi = SAFI_MPLS_VPN; | |
4376 | for (rn = bgp_table_top(bgp->rib[afi][safi]); rn; | |
4377 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4378 | table = bgp_node_get_bgp_table_info(rn); |
4379 | if (table != NULL) { | |
4380 | bgp_cleanup_table(bgp, table, safi); | |
4381 | bgp_table_finish(&table); | |
4382 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4383 | bgp_unlock_node(rn); |
4384 | } | |
4385 | } | |
4386 | safi = SAFI_ENCAP; | |
4387 | for (rn = bgp_table_top(bgp->rib[afi][safi]); rn; | |
4388 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4389 | table = bgp_node_get_bgp_table_info(rn); |
4390 | if (table != NULL) { | |
4391 | bgp_cleanup_table(bgp, table, safi); | |
4392 | bgp_table_finish(&table); | |
4393 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4394 | bgp_unlock_node(rn); |
4395 | } | |
4396 | } | |
4397 | } | |
4398 | } | |
4399 | for (rn = bgp_table_top(bgp->rib[AFI_L2VPN][SAFI_EVPN]); rn; | |
4400 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4401 | table = bgp_node_get_bgp_table_info(rn); |
4402 | if (table != NULL) { | |
4403 | bgp_cleanup_table(bgp, table, SAFI_EVPN); | |
4404 | bgp_table_finish(&table); | |
4405 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4406 | bgp_unlock_node(rn); |
4407 | } | |
bb86c601 | 4408 | } |
718e3744 | 4409 | } |
4410 | ||
d62a17ae | 4411 | void bgp_reset(void) |
718e3744 | 4412 | { |
d62a17ae | 4413 | vty_reset(); |
4414 | bgp_zclient_reset(); | |
4415 | access_list_reset(); | |
4416 | prefix_list_reset(); | |
718e3744 | 4417 | } |
6b0655a2 | 4418 | |
d62a17ae | 4419 | static int bgp_addpath_encode_rx(struct peer *peer, afi_t afi, safi_t safi) |
adbac85e | 4420 | { |
d62a17ae | 4421 | return (CHECK_FLAG(peer->af_cap[afi][safi], PEER_CAP_ADDPATH_AF_RX_ADV) |
4422 | && CHECK_FLAG(peer->af_cap[afi][safi], | |
4423 | PEER_CAP_ADDPATH_AF_TX_RCV)); | |
adbac85e DW |
4424 | } |
4425 | ||
718e3744 | 4426 | /* Parse NLRI stream. Withdraw NLRI is recognized by NULL attr |
4427 | value. */ | |
d62a17ae | 4428 | int bgp_nlri_parse_ip(struct peer *peer, struct attr *attr, |
4429 | struct bgp_nlri *packet) | |
4430 | { | |
d7c0a89a QY |
4431 | uint8_t *pnt; |
4432 | uint8_t *lim; | |
d62a17ae | 4433 | struct prefix p; |
4434 | int psize; | |
4435 | int ret; | |
4436 | afi_t afi; | |
4437 | safi_t safi; | |
4438 | int addpath_encoded; | |
d7c0a89a | 4439 | uint32_t addpath_id; |
d62a17ae | 4440 | |
d62a17ae | 4441 | pnt = packet->nlri; |
4442 | lim = pnt + packet->length; | |
4443 | afi = packet->afi; | |
4444 | safi = packet->safi; | |
4445 | addpath_id = 0; | |
4446 | addpath_encoded = bgp_addpath_encode_rx(peer, afi, safi); | |
4447 | ||
4448 | /* RFC4771 6.3 The NLRI field in the UPDATE message is checked for | |
4449 | syntactic validity. If the field is syntactically incorrect, | |
4450 | then the Error Subcode is set to Invalid Network Field. */ | |
4451 | for (; pnt < lim; pnt += psize) { | |
4452 | /* Clear prefix structure. */ | |
4453 | memset(&p, 0, sizeof(struct prefix)); | |
4454 | ||
4455 | if (addpath_encoded) { | |
4456 | ||
4457 | /* When packet overflow occurs return immediately. */ | |
4458 | if (pnt + BGP_ADDPATH_ID_LEN > lim) | |
513386b5 | 4459 | return BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW; |
d62a17ae | 4460 | |
4461 | addpath_id = ntohl(*((uint32_t *)pnt)); | |
4462 | pnt += BGP_ADDPATH_ID_LEN; | |
4463 | } | |
718e3744 | 4464 | |
d62a17ae | 4465 | /* Fetch prefix length. */ |
4466 | p.prefixlen = *pnt++; | |
4467 | /* afi/safi validity already verified by caller, | |
4468 | * bgp_update_receive */ | |
4469 | p.family = afi2family(afi); | |
4470 | ||
4471 | /* Prefix length check. */ | |
4472 | if (p.prefixlen > prefix_blen(&p) * 8) { | |
af4c2728 | 4473 | flog_err( |
e50f7cfd | 4474 | EC_BGP_UPDATE_RCV, |
14454c9f | 4475 | "%s [Error] Update packet error (wrong prefix length %d for afi %u)", |
d62a17ae | 4476 | peer->host, p.prefixlen, packet->afi); |
513386b5 | 4477 | return BGP_NLRI_PARSE_ERROR_PREFIX_LENGTH; |
d62a17ae | 4478 | } |
6b0655a2 | 4479 | |
d62a17ae | 4480 | /* Packet size overflow check. */ |
4481 | psize = PSIZE(p.prefixlen); | |
4482 | ||
4483 | /* When packet overflow occur return immediately. */ | |
4484 | if (pnt + psize > lim) { | |
af4c2728 | 4485 | flog_err( |
e50f7cfd | 4486 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4487 | "%s [Error] Update packet error (prefix length %d overflows packet)", |
4488 | peer->host, p.prefixlen); | |
513386b5 | 4489 | return BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW; |
d62a17ae | 4490 | } |
4491 | ||
4492 | /* Defensive coding, double-check the psize fits in a struct | |
4493 | * prefix */ | |
4494 | if (psize > (ssize_t)sizeof(p.u)) { | |
af4c2728 | 4495 | flog_err( |
e50f7cfd | 4496 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4497 | "%s [Error] Update packet error (prefix length %d too large for prefix storage %zu)", |
4498 | peer->host, p.prefixlen, sizeof(p.u)); | |
513386b5 | 4499 | return BGP_NLRI_PARSE_ERROR_PACKET_LENGTH; |
d62a17ae | 4500 | } |
4501 | ||
4502 | /* Fetch prefix from NLRI packet. */ | |
a85297a7 | 4503 | memcpy(p.u.val, pnt, psize); |
d62a17ae | 4504 | |
4505 | /* Check address. */ | |
4506 | if (afi == AFI_IP && safi == SAFI_UNICAST) { | |
4507 | if (IN_CLASSD(ntohl(p.u.prefix4.s_addr))) { | |
4508 | /* From RFC4271 Section 6.3: | |
4509 | * | |
4510 | * If a prefix in the NLRI field is semantically | |
4511 | * incorrect | |
4512 | * (e.g., an unexpected multicast IP address), | |
4513 | * an error SHOULD | |
4514 | * be logged locally, and the prefix SHOULD be | |
4515 | * ignored. | |
a4d82a8a | 4516 | */ |
af4c2728 | 4517 | flog_err( |
e50f7cfd | 4518 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4519 | "%s: IPv4 unicast NLRI is multicast address %s, ignoring", |
4520 | peer->host, inet_ntoa(p.u.prefix4)); | |
4521 | continue; | |
4522 | } | |
4523 | } | |
4524 | ||
4525 | /* Check address. */ | |
4526 | if (afi == AFI_IP6 && safi == SAFI_UNICAST) { | |
4527 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) { | |
4528 | char buf[BUFSIZ]; | |
4529 | ||
af4c2728 | 4530 | flog_err( |
e50f7cfd | 4531 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4532 | "%s: IPv6 unicast NLRI is link-local address %s, ignoring", |
4533 | peer->host, | |
4534 | inet_ntop(AF_INET6, &p.u.prefix6, buf, | |
4535 | BUFSIZ)); | |
4536 | ||
4537 | continue; | |
4538 | } | |
4539 | if (IN6_IS_ADDR_MULTICAST(&p.u.prefix6)) { | |
4540 | char buf[BUFSIZ]; | |
4541 | ||
af4c2728 | 4542 | flog_err( |
e50f7cfd | 4543 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4544 | "%s: IPv6 unicast NLRI is multicast address %s, ignoring", |
4545 | peer->host, | |
4546 | inet_ntop(AF_INET6, &p.u.prefix6, buf, | |
4547 | BUFSIZ)); | |
4548 | ||
4549 | continue; | |
4550 | } | |
4551 | } | |
4552 | ||
4553 | /* Normal process. */ | |
4554 | if (attr) | |
4555 | ret = bgp_update(peer, &p, addpath_id, attr, afi, safi, | |
4556 | ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, | |
b57ba6d2 | 4557 | NULL, NULL, 0, 0, NULL); |
d62a17ae | 4558 | else |
4559 | ret = bgp_withdraw(peer, &p, addpath_id, attr, afi, | |
4560 | safi, ZEBRA_ROUTE_BGP, | |
a4d82a8a PZ |
4561 | BGP_ROUTE_NORMAL, NULL, NULL, 0, |
4562 | NULL); | |
d62a17ae | 4563 | |
513386b5 DA |
4564 | /* Do not send BGP notification twice when maximum-prefix count |
4565 | * overflow. */ | |
4566 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW)) | |
4567 | return BGP_NLRI_PARSE_ERROR_PREFIX_OVERFLOW; | |
4568 | ||
4569 | /* Address family configuration mismatch. */ | |
d62a17ae | 4570 | if (ret < 0) |
513386b5 | 4571 | return BGP_NLRI_PARSE_ERROR_ADDRESS_FAMILY; |
d62a17ae | 4572 | } |
4573 | ||
4574 | /* Packet length consistency check. */ | |
4575 | if (pnt != lim) { | |
af4c2728 | 4576 | flog_err( |
e50f7cfd | 4577 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4578 | "%s [Error] Update packet error (prefix length mismatch with total length)", |
4579 | peer->host); | |
513386b5 | 4580 | return BGP_NLRI_PARSE_ERROR_PACKET_LENGTH; |
d62a17ae | 4581 | } |
6b0655a2 | 4582 | |
513386b5 | 4583 | return BGP_NLRI_PARSE_OK; |
718e3744 | 4584 | } |
4585 | ||
d62a17ae | 4586 | static struct bgp_static *bgp_static_new(void) |
718e3744 | 4587 | { |
d62a17ae | 4588 | return XCALLOC(MTYPE_BGP_STATIC, sizeof(struct bgp_static)); |
718e3744 | 4589 | } |
4590 | ||
d62a17ae | 4591 | static void bgp_static_free(struct bgp_static *bgp_static) |
fee0f4c6 | 4592 | { |
0a22ddfb | 4593 | XFREE(MTYPE_ROUTE_MAP_NAME, bgp_static->rmap.name); |
b4897fa5 | 4594 | route_map_counter_decrement(bgp_static->rmap.map); |
4595 | ||
0a22ddfb | 4596 | XFREE(MTYPE_ATTR, bgp_static->eth_s_id); |
d62a17ae | 4597 | XFREE(MTYPE_BGP_STATIC, bgp_static); |
4598 | } | |
4599 | ||
4600 | void bgp_static_update(struct bgp *bgp, struct prefix *p, | |
4601 | struct bgp_static *bgp_static, afi_t afi, safi_t safi) | |
4602 | { | |
4603 | struct bgp_node *rn; | |
40381db7 | 4604 | struct bgp_path_info *pi; |
4b7e6066 | 4605 | struct bgp_path_info *new; |
40381db7 | 4606 | struct bgp_path_info rmap_path; |
d62a17ae | 4607 | struct attr attr; |
4608 | struct attr *attr_new; | |
b68885f9 | 4609 | route_map_result_t ret; |
65efcfce | 4610 | #if ENABLE_BGP_VNC |
d62a17ae | 4611 | int vnc_implicit_withdraw = 0; |
65efcfce | 4612 | #endif |
fee0f4c6 | 4613 | |
d62a17ae | 4614 | assert(bgp_static); |
4615 | if (!bgp_static) | |
4616 | return; | |
dd8103a9 | 4617 | |
d62a17ae | 4618 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, NULL); |
718e3744 | 4619 | |
d62a17ae | 4620 | bgp_attr_default_set(&attr, BGP_ORIGIN_IGP); |
718e3744 | 4621 | |
d62a17ae | 4622 | attr.nexthop = bgp_static->igpnexthop; |
4623 | attr.med = bgp_static->igpmetric; | |
4624 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
41367172 | 4625 | |
d62a17ae | 4626 | if (bgp_static->atomic) |
4627 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE); | |
6cf48acc | 4628 | |
d62a17ae | 4629 | /* Store label index, if required. */ |
4630 | if (bgp_static->label_index != BGP_INVALID_LABEL_INDEX) { | |
4631 | attr.label_index = bgp_static->label_index; | |
4632 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_PREFIX_SID); | |
4633 | } | |
718e3744 | 4634 | |
d62a17ae | 4635 | /* Apply route-map. */ |
4636 | if (bgp_static->rmap.name) { | |
4637 | struct attr attr_tmp = attr; | |
80ced710 | 4638 | |
40381db7 DS |
4639 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
4640 | rmap_path.peer = bgp->peer_self; | |
4641 | rmap_path.attr = &attr_tmp; | |
fee0f4c6 | 4642 | |
d62a17ae | 4643 | SET_FLAG(bgp->peer_self->rmap_type, PEER_RMAP_TYPE_NETWORK); |
286e1e71 | 4644 | |
40381db7 DS |
4645 | ret = route_map_apply(bgp_static->rmap.map, p, RMAP_BGP, |
4646 | &rmap_path); | |
fee0f4c6 | 4647 | |
d62a17ae | 4648 | bgp->peer_self->rmap_type = 0; |
718e3744 | 4649 | |
d62a17ae | 4650 | if (ret == RMAP_DENYMATCH) { |
4651 | /* Free uninterned attribute. */ | |
4652 | bgp_attr_flush(&attr_tmp); | |
718e3744 | 4653 | |
d62a17ae | 4654 | /* Unintern original. */ |
4655 | aspath_unintern(&attr.aspath); | |
4656 | bgp_static_withdraw(bgp, p, afi, safi); | |
4657 | return; | |
4658 | } | |
7f323236 DW |
4659 | |
4660 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) | |
4661 | bgp_attr_add_gshut_community(&attr_tmp); | |
4662 | ||
d62a17ae | 4663 | attr_new = bgp_attr_intern(&attr_tmp); |
7f323236 DW |
4664 | } else { |
4665 | ||
4666 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) | |
4667 | bgp_attr_add_gshut_community(&attr); | |
4668 | ||
d62a17ae | 4669 | attr_new = bgp_attr_intern(&attr); |
7f323236 | 4670 | } |
718e3744 | 4671 | |
6f94b685 | 4672 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4673 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4674 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4675 | break; |
4676 | ||
40381db7 DS |
4677 | if (pi) { |
4678 | if (attrhash_cmp(pi->attr, attr_new) | |
4679 | && !CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) | |
d62a17ae | 4680 | && !bgp_flag_check(bgp, BGP_FLAG_FORCE_STATIC_PROCESS)) { |
4681 | bgp_unlock_node(rn); | |
4682 | bgp_attr_unintern(&attr_new); | |
4683 | aspath_unintern(&attr.aspath); | |
4684 | return; | |
4685 | } else { | |
4686 | /* The attribute is changed. */ | |
40381db7 | 4687 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 4688 | |
4689 | /* Rewrite BGP route information. */ | |
40381db7 DS |
4690 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) |
4691 | bgp_path_info_restore(rn, pi); | |
d62a17ae | 4692 | else |
40381db7 | 4693 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
65efcfce | 4694 | #if ENABLE_BGP_VNC |
d62a17ae | 4695 | if ((afi == AFI_IP || afi == AFI_IP6) |
4696 | && (safi == SAFI_UNICAST)) { | |
40381db7 | 4697 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 4698 | /* |
4699 | * Implicit withdraw case. | |
40381db7 | 4700 | * We have to do this before pi is |
d62a17ae | 4701 | * changed |
4702 | */ | |
4703 | ++vnc_implicit_withdraw; | |
40381db7 | 4704 | vnc_import_bgp_del_route(bgp, p, pi); |
d62a17ae | 4705 | vnc_import_bgp_exterior_del_route( |
40381db7 | 4706 | bgp, p, pi); |
d62a17ae | 4707 | } |
4708 | } | |
65efcfce | 4709 | #endif |
40381db7 DS |
4710 | bgp_attr_unintern(&pi->attr); |
4711 | pi->attr = attr_new; | |
4712 | pi->uptime = bgp_clock(); | |
65efcfce | 4713 | #if ENABLE_BGP_VNC |
d62a17ae | 4714 | if ((afi == AFI_IP || afi == AFI_IP6) |
4715 | && (safi == SAFI_UNICAST)) { | |
4716 | if (vnc_implicit_withdraw) { | |
40381db7 | 4717 | vnc_import_bgp_add_route(bgp, p, pi); |
d62a17ae | 4718 | vnc_import_bgp_exterior_add_route( |
40381db7 | 4719 | bgp, p, pi); |
d62a17ae | 4720 | } |
4721 | } | |
65efcfce | 4722 | #endif |
718e3744 | 4723 | |
d62a17ae | 4724 | /* Nexthop reachability check. */ |
4725 | if (bgp_flag_check(bgp, BGP_FLAG_IMPORT_CHECK) | |
4726 | && (safi == SAFI_UNICAST | |
4727 | || safi == SAFI_LABELED_UNICAST)) { | |
960035b2 PZ |
4728 | |
4729 | struct bgp *bgp_nexthop = bgp; | |
4730 | ||
40381db7 DS |
4731 | if (pi->extra && pi->extra->bgp_orig) |
4732 | bgp_nexthop = pi->extra->bgp_orig; | |
960035b2 PZ |
4733 | |
4734 | if (bgp_find_or_add_nexthop(bgp, bgp_nexthop, | |
40381db7 DS |
4735 | afi, pi, NULL, 0)) |
4736 | bgp_path_info_set_flag(rn, pi, | |
18ee8310 | 4737 | BGP_PATH_VALID); |
d62a17ae | 4738 | else { |
4739 | if (BGP_DEBUG(nht, NHT)) { | |
4740 | char buf1[INET6_ADDRSTRLEN]; | |
4741 | inet_ntop(p->family, | |
4742 | &p->u.prefix, buf1, | |
4743 | INET6_ADDRSTRLEN); | |
4744 | zlog_debug( | |
4745 | "%s(%s): Route not in table, not advertising", | |
4746 | __FUNCTION__, buf1); | |
4747 | } | |
18ee8310 | 4748 | bgp_path_info_unset_flag( |
40381db7 | 4749 | rn, pi, BGP_PATH_VALID); |
d62a17ae | 4750 | } |
4751 | } else { | |
4752 | /* Delete the NHT structure if any, if we're | |
4753 | * toggling between | |
4754 | * enabling/disabling import check. We | |
4755 | * deregister the route | |
4756 | * from NHT to avoid overloading NHT and the | |
4757 | * process interaction | |
4758 | */ | |
40381db7 DS |
4759 | bgp_unlink_nexthop(pi); |
4760 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); | |
d62a17ae | 4761 | } |
4762 | /* Process change. */ | |
40381db7 | 4763 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 4764 | bgp_process(bgp, rn, afi, safi); |
ddb5b488 PZ |
4765 | |
4766 | if (SAFI_UNICAST == safi | |
4767 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
4768 | || bgp->inst_type | |
4769 | == BGP_INSTANCE_TYPE_DEFAULT)) { | |
4770 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, | |
40381db7 | 4771 | pi); |
ddb5b488 PZ |
4772 | } |
4773 | ||
d62a17ae | 4774 | bgp_unlock_node(rn); |
4775 | aspath_unintern(&attr.aspath); | |
4776 | return; | |
4777 | } | |
718e3744 | 4778 | } |
718e3744 | 4779 | |
d62a17ae | 4780 | /* Make new BGP info. */ |
4781 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_STATIC, 0, bgp->peer_self, | |
4782 | attr_new, rn); | |
4783 | /* Nexthop reachability check. */ | |
4784 | if (bgp_flag_check(bgp, BGP_FLAG_IMPORT_CHECK) | |
4785 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) { | |
960035b2 | 4786 | if (bgp_find_or_add_nexthop(bgp, bgp, afi, new, NULL, 0)) |
18ee8310 | 4787 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 4788 | else { |
4789 | if (BGP_DEBUG(nht, NHT)) { | |
4790 | char buf1[INET6_ADDRSTRLEN]; | |
4791 | inet_ntop(p->family, &p->u.prefix, buf1, | |
4792 | INET6_ADDRSTRLEN); | |
4793 | zlog_debug( | |
4794 | "%s(%s): Route not in table, not advertising", | |
4795 | __FUNCTION__, buf1); | |
4796 | } | |
18ee8310 | 4797 | bgp_path_info_unset_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 4798 | } |
4799 | } else { | |
4800 | /* Delete the NHT structure if any, if we're toggling between | |
4801 | * enabling/disabling import check. We deregister the route | |
4802 | * from NHT to avoid overloading NHT and the process interaction | |
4803 | */ | |
4804 | bgp_unlink_nexthop(new); | |
4805 | ||
18ee8310 | 4806 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
fc9a856f | 4807 | } |
078430f6 | 4808 | |
d62a17ae | 4809 | /* Aggregate address increment. */ |
4810 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
718e3744 | 4811 | |
d62a17ae | 4812 | /* Register new BGP information. */ |
18ee8310 | 4813 | bgp_path_info_add(rn, new); |
718e3744 | 4814 | |
d62a17ae | 4815 | /* route_node_get lock */ |
4816 | bgp_unlock_node(rn); | |
4817 | ||
4818 | /* Process change. */ | |
4819 | bgp_process(bgp, rn, afi, safi); | |
4820 | ||
ddb5b488 PZ |
4821 | if (SAFI_UNICAST == safi |
4822 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
4823 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
4824 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
4825 | } | |
4826 | ||
d62a17ae | 4827 | /* Unintern original. */ |
4828 | aspath_unintern(&attr.aspath); | |
718e3744 | 4829 | } |
4830 | ||
d62a17ae | 4831 | void bgp_static_withdraw(struct bgp *bgp, struct prefix *p, afi_t afi, |
4832 | safi_t safi) | |
718e3744 | 4833 | { |
d62a17ae | 4834 | struct bgp_node *rn; |
40381db7 | 4835 | struct bgp_path_info *pi; |
718e3744 | 4836 | |
d62a17ae | 4837 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, NULL); |
718e3744 | 4838 | |
d62a17ae | 4839 | /* Check selected route and self inserted route. */ |
6f94b685 | 4840 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4841 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4842 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4843 | break; |
4844 | ||
4845 | /* Withdraw static BGP route from routing table. */ | |
40381db7 | 4846 | if (pi) { |
ddb5b488 PZ |
4847 | if (SAFI_UNICAST == safi |
4848 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
4849 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
40381db7 | 4850 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 | 4851 | } |
40381db7 DS |
4852 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
4853 | bgp_unlink_nexthop(pi); | |
4854 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 4855 | bgp_process(bgp, rn, afi, safi); |
4856 | } | |
718e3744 | 4857 | |
d62a17ae | 4858 | /* Unlock bgp_node_lookup. */ |
4859 | bgp_unlock_node(rn); | |
718e3744 | 4860 | } |
4861 | ||
137446f9 LB |
4862 | /* |
4863 | * Used for SAFI_MPLS_VPN and SAFI_ENCAP | |
4864 | */ | |
d62a17ae | 4865 | static void bgp_static_withdraw_safi(struct bgp *bgp, struct prefix *p, |
4866 | afi_t afi, safi_t safi, | |
4867 | struct prefix_rd *prd) | |
718e3744 | 4868 | { |
d62a17ae | 4869 | struct bgp_node *rn; |
40381db7 | 4870 | struct bgp_path_info *pi; |
718e3744 | 4871 | |
d62a17ae | 4872 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); |
718e3744 | 4873 | |
d62a17ae | 4874 | /* Check selected route and self inserted route. */ |
6f94b685 | 4875 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4876 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4877 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4878 | break; |
718e3744 | 4879 | |
d62a17ae | 4880 | /* Withdraw static BGP route from routing table. */ |
40381db7 | 4881 | if (pi) { |
65efcfce | 4882 | #if ENABLE_BGP_VNC |
d62a17ae | 4883 | rfapiProcessWithdraw( |
40381db7 | 4884 | pi->peer, NULL, p, prd, pi->attr, afi, safi, pi->type, |
d62a17ae | 4885 | 1); /* Kill, since it is an administrative change */ |
65efcfce | 4886 | #endif |
ddb5b488 PZ |
4887 | if (SAFI_MPLS_VPN == safi |
4888 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
40381db7 | 4889 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 | 4890 | } |
40381db7 DS |
4891 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
4892 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 4893 | bgp_process(bgp, rn, afi, safi); |
4894 | } | |
718e3744 | 4895 | |
d62a17ae | 4896 | /* Unlock bgp_node_lookup. */ |
4897 | bgp_unlock_node(rn); | |
718e3744 | 4898 | } |
4899 | ||
d62a17ae | 4900 | static void bgp_static_update_safi(struct bgp *bgp, struct prefix *p, |
4901 | struct bgp_static *bgp_static, afi_t afi, | |
4902 | safi_t safi) | |
137446f9 | 4903 | { |
d62a17ae | 4904 | struct bgp_node *rn; |
4b7e6066 | 4905 | struct bgp_path_info *new; |
d62a17ae | 4906 | struct attr *attr_new; |
4907 | struct attr attr = {0}; | |
40381db7 | 4908 | struct bgp_path_info *pi; |
65efcfce | 4909 | #if ENABLE_BGP_VNC |
d62a17ae | 4910 | mpls_label_t label = 0; |
65efcfce | 4911 | #endif |
d7c0a89a | 4912 | uint32_t num_labels = 0; |
d62a17ae | 4913 | union gw_addr add; |
137446f9 | 4914 | |
d62a17ae | 4915 | assert(bgp_static); |
137446f9 | 4916 | |
b57ba6d2 MK |
4917 | if (bgp_static->label != MPLS_INVALID_LABEL) |
4918 | num_labels = 1; | |
d62a17ae | 4919 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, |
4920 | &bgp_static->prd); | |
137446f9 | 4921 | |
d62a17ae | 4922 | bgp_attr_default_set(&attr, BGP_ORIGIN_IGP); |
137446f9 | 4923 | |
d62a17ae | 4924 | attr.nexthop = bgp_static->igpnexthop; |
4925 | attr.med = bgp_static->igpmetric; | |
4926 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
137446f9 | 4927 | |
d62a17ae | 4928 | if ((safi == SAFI_EVPN) || (safi == SAFI_MPLS_VPN) |
4929 | || (safi == SAFI_ENCAP)) { | |
4930 | if (afi == AFI_IP) { | |
4931 | attr.mp_nexthop_global_in = bgp_static->igpnexthop; | |
4932 | attr.mp_nexthop_len = IPV4_MAX_BYTELEN; | |
4933 | } | |
4934 | } | |
4935 | if (afi == AFI_L2VPN) { | |
4936 | if (bgp_static->gatewayIp.family == AF_INET) | |
4937 | add.ipv4.s_addr = | |
4938 | bgp_static->gatewayIp.u.prefix4.s_addr; | |
4939 | else if (bgp_static->gatewayIp.family == AF_INET6) | |
4940 | memcpy(&(add.ipv6), &(bgp_static->gatewayIp.u.prefix6), | |
4941 | sizeof(struct in6_addr)); | |
4942 | overlay_index_update(&attr, bgp_static->eth_s_id, &add); | |
4943 | if (bgp_static->encap_tunneltype == BGP_ENCAP_TYPE_VXLAN) { | |
4944 | struct bgp_encap_type_vxlan bet; | |
4945 | memset(&bet, 0, sizeof(struct bgp_encap_type_vxlan)); | |
3714a385 | 4946 | bet.vnid = p->u.prefix_evpn.prefix_addr.eth_tag; |
d62a17ae | 4947 | bgp_encap_type_vxlan_to_tlv(&bet, &attr); |
4948 | } | |
4949 | if (bgp_static->router_mac) { | |
4950 | bgp_add_routermac_ecom(&attr, bgp_static->router_mac); | |
4951 | } | |
4952 | } | |
4953 | /* Apply route-map. */ | |
4954 | if (bgp_static->rmap.name) { | |
4955 | struct attr attr_tmp = attr; | |
40381db7 | 4956 | struct bgp_path_info rmap_path; |
b68885f9 | 4957 | route_map_result_t ret; |
137446f9 | 4958 | |
40381db7 DS |
4959 | rmap_path.peer = bgp->peer_self; |
4960 | rmap_path.attr = &attr_tmp; | |
137446f9 | 4961 | |
d62a17ae | 4962 | SET_FLAG(bgp->peer_self->rmap_type, PEER_RMAP_TYPE_NETWORK); |
137446f9 | 4963 | |
40381db7 DS |
4964 | ret = route_map_apply(bgp_static->rmap.map, p, RMAP_BGP, |
4965 | &rmap_path); | |
137446f9 | 4966 | |
d62a17ae | 4967 | bgp->peer_self->rmap_type = 0; |
137446f9 | 4968 | |
d62a17ae | 4969 | if (ret == RMAP_DENYMATCH) { |
4970 | /* Free uninterned attribute. */ | |
4971 | bgp_attr_flush(&attr_tmp); | |
137446f9 | 4972 | |
d62a17ae | 4973 | /* Unintern original. */ |
4974 | aspath_unintern(&attr.aspath); | |
4975 | bgp_static_withdraw_safi(bgp, p, afi, safi, | |
4976 | &bgp_static->prd); | |
4977 | return; | |
4978 | } | |
137446f9 | 4979 | |
d62a17ae | 4980 | attr_new = bgp_attr_intern(&attr_tmp); |
4981 | } else { | |
4982 | attr_new = bgp_attr_intern(&attr); | |
4983 | } | |
137446f9 | 4984 | |
6f94b685 | 4985 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4986 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4987 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4988 | break; |
4989 | ||
40381db7 | 4990 | if (pi) { |
d62a17ae | 4991 | memset(&add, 0, sizeof(union gw_addr)); |
40381db7 DS |
4992 | if (attrhash_cmp(pi->attr, attr_new) |
4993 | && overlay_index_equal(afi, pi, bgp_static->eth_s_id, &add) | |
4994 | && !CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 4995 | bgp_unlock_node(rn); |
4996 | bgp_attr_unintern(&attr_new); | |
4997 | aspath_unintern(&attr.aspath); | |
4998 | return; | |
4999 | } else { | |
5000 | /* The attribute is changed. */ | |
40381db7 | 5001 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 5002 | |
5003 | /* Rewrite BGP route information. */ | |
40381db7 DS |
5004 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) |
5005 | bgp_path_info_restore(rn, pi); | |
d62a17ae | 5006 | else |
40381db7 DS |
5007 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
5008 | bgp_attr_unintern(&pi->attr); | |
5009 | pi->attr = attr_new; | |
5010 | pi->uptime = bgp_clock(); | |
65efcfce | 5011 | #if ENABLE_BGP_VNC |
40381db7 DS |
5012 | if (pi->extra) |
5013 | label = decode_label(&pi->extra->label[0]); | |
65efcfce | 5014 | #endif |
137446f9 | 5015 | |
d62a17ae | 5016 | /* Process change. */ |
40381db7 | 5017 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 5018 | bgp_process(bgp, rn, afi, safi); |
ddb5b488 PZ |
5019 | |
5020 | if (SAFI_MPLS_VPN == safi | |
5021 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
40381db7 | 5022 | vpn_leak_to_vrf_update(bgp, pi); |
ddb5b488 | 5023 | } |
65efcfce | 5024 | #if ENABLE_BGP_VNC |
40381db7 DS |
5025 | rfapiProcessUpdate(pi->peer, NULL, p, &bgp_static->prd, |
5026 | pi->attr, afi, safi, pi->type, | |
5027 | pi->sub_type, &label); | |
65efcfce | 5028 | #endif |
d62a17ae | 5029 | bgp_unlock_node(rn); |
5030 | aspath_unintern(&attr.aspath); | |
5031 | return; | |
5032 | } | |
5033 | } | |
137446f9 LB |
5034 | |
5035 | ||
d62a17ae | 5036 | /* Make new BGP info. */ |
5037 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_STATIC, 0, bgp->peer_self, | |
5038 | attr_new, rn); | |
1defdda8 | 5039 | SET_FLAG(new->flags, BGP_PATH_VALID); |
18ee8310 | 5040 | new->extra = bgp_path_info_extra_new(); |
b57ba6d2 MK |
5041 | if (num_labels) { |
5042 | new->extra->label[0] = bgp_static->label; | |
5043 | new->extra->num_labels = num_labels; | |
5044 | } | |
65efcfce | 5045 | #if ENABLE_BGP_VNC |
d62a17ae | 5046 | label = decode_label(&bgp_static->label); |
65efcfce | 5047 | #endif |
137446f9 | 5048 | |
d62a17ae | 5049 | /* Aggregate address increment. */ |
5050 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
137446f9 | 5051 | |
d62a17ae | 5052 | /* Register new BGP information. */ |
18ee8310 | 5053 | bgp_path_info_add(rn, new); |
d62a17ae | 5054 | /* route_node_get lock */ |
5055 | bgp_unlock_node(rn); | |
137446f9 | 5056 | |
d62a17ae | 5057 | /* Process change. */ |
5058 | bgp_process(bgp, rn, afi, safi); | |
137446f9 | 5059 | |
ddb5b488 PZ |
5060 | if (SAFI_MPLS_VPN == safi |
5061 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
5062 | vpn_leak_to_vrf_update(bgp, new); | |
5063 | } | |
65efcfce | 5064 | #if ENABLE_BGP_VNC |
d62a17ae | 5065 | rfapiProcessUpdate(new->peer, NULL, p, &bgp_static->prd, new->attr, afi, |
5066 | safi, new->type, new->sub_type, &label); | |
65efcfce LB |
5067 | #endif |
5068 | ||
d62a17ae | 5069 | /* Unintern original. */ |
5070 | aspath_unintern(&attr.aspath); | |
137446f9 LB |
5071 | } |
5072 | ||
718e3744 | 5073 | /* Configure static BGP network. When user don't run zebra, static |
5074 | route should be installed as valid. */ | |
e2a86ad9 DS |
5075 | static int bgp_static_set(struct vty *vty, const char *negate, |
5076 | const char *ip_str, afi_t afi, safi_t safi, | |
d7c0a89a | 5077 | const char *rmap, int backdoor, uint32_t label_index) |
d62a17ae | 5078 | { |
5079 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5080 | int ret; | |
5081 | struct prefix p; | |
5082 | struct bgp_static *bgp_static; | |
5083 | struct bgp_node *rn; | |
d7c0a89a | 5084 | uint8_t need_update = 0; |
d62a17ae | 5085 | |
5086 | /* Convert IP prefix string to struct prefix. */ | |
5087 | ret = str2prefix(ip_str, &p); | |
5088 | if (!ret) { | |
5089 | vty_out(vty, "%% Malformed prefix\n"); | |
5090 | return CMD_WARNING_CONFIG_FAILED; | |
5091 | } | |
5092 | if (afi == AFI_IP6 && IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) { | |
5093 | vty_out(vty, "%% Malformed prefix (link-local address)\n"); | |
5094 | return CMD_WARNING_CONFIG_FAILED; | |
5095 | } | |
718e3744 | 5096 | |
d62a17ae | 5097 | apply_mask(&p); |
718e3744 | 5098 | |
e2a86ad9 | 5099 | if (negate) { |
718e3744 | 5100 | |
e2a86ad9 DS |
5101 | /* Set BGP static route configuration. */ |
5102 | rn = bgp_node_lookup(bgp->route[afi][safi], &p); | |
d62a17ae | 5103 | |
e2a86ad9 | 5104 | if (!rn) { |
a4d82a8a | 5105 | vty_out(vty, "%% Can't find static route specified\n"); |
d62a17ae | 5106 | return CMD_WARNING_CONFIG_FAILED; |
5107 | } | |
5108 | ||
5a8ba9fc | 5109 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 5110 | |
e2a86ad9 DS |
5111 | if ((label_index != BGP_INVALID_LABEL_INDEX) |
5112 | && (label_index != bgp_static->label_index)) { | |
5113 | vty_out(vty, | |
5114 | "%% label-index doesn't match static route\n"); | |
5115 | return CMD_WARNING_CONFIG_FAILED; | |
d62a17ae | 5116 | } |
d62a17ae | 5117 | |
e2a86ad9 DS |
5118 | if ((rmap && bgp_static->rmap.name) |
5119 | && strcmp(rmap, bgp_static->rmap.name)) { | |
5120 | vty_out(vty, | |
5121 | "%% route-map name doesn't match static route\n"); | |
5122 | return CMD_WARNING_CONFIG_FAILED; | |
d62a17ae | 5123 | } |
718e3744 | 5124 | |
e2a86ad9 DS |
5125 | /* Update BGP RIB. */ |
5126 | if (!bgp_static->backdoor) | |
5127 | bgp_static_withdraw(bgp, &p, afi, safi); | |
718e3744 | 5128 | |
e2a86ad9 DS |
5129 | /* Clear configuration. */ |
5130 | bgp_static_free(bgp_static); | |
5a8ba9fc | 5131 | bgp_node_set_bgp_static_info(rn, NULL); |
e2a86ad9 DS |
5132 | bgp_unlock_node(rn); |
5133 | bgp_unlock_node(rn); | |
5134 | } else { | |
718e3744 | 5135 | |
e2a86ad9 DS |
5136 | /* Set BGP static route configuration. */ |
5137 | rn = bgp_node_get(bgp->route[afi][safi], &p); | |
718e3744 | 5138 | |
5a8ba9fc | 5139 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 5140 | if (bgp_static) { |
e2a86ad9 | 5141 | /* Configuration change. */ |
e2a86ad9 DS |
5142 | /* Label index cannot be changed. */ |
5143 | if (bgp_static->label_index != label_index) { | |
5144 | vty_out(vty, "%% cannot change label-index\n"); | |
5145 | return CMD_WARNING_CONFIG_FAILED; | |
5146 | } | |
d62a17ae | 5147 | |
e2a86ad9 | 5148 | /* Check previous routes are installed into BGP. */ |
a4d82a8a PZ |
5149 | if (bgp_static->valid |
5150 | && bgp_static->backdoor != backdoor) | |
e2a86ad9 | 5151 | need_update = 1; |
718e3744 | 5152 | |
e2a86ad9 | 5153 | bgp_static->backdoor = backdoor; |
718e3744 | 5154 | |
e2a86ad9 | 5155 | if (rmap) { |
0a22ddfb QY |
5156 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5157 | bgp_static->rmap.name); | |
b4897fa5 | 5158 | route_map_counter_decrement( |
5159 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5160 | bgp_static->rmap.name = |
5161 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
5162 | bgp_static->rmap.map = | |
5163 | route_map_lookup_by_name(rmap); | |
b4897fa5 | 5164 | route_map_counter_increment( |
5165 | bgp_static->rmap.map); | |
e2a86ad9 | 5166 | } else { |
0a22ddfb QY |
5167 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5168 | bgp_static->rmap.name); | |
b4897fa5 | 5169 | route_map_counter_decrement( |
5170 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5171 | bgp_static->rmap.name = NULL; |
5172 | bgp_static->rmap.map = NULL; | |
5173 | bgp_static->valid = 0; | |
5174 | } | |
5175 | bgp_unlock_node(rn); | |
5176 | } else { | |
5177 | /* New configuration. */ | |
5178 | bgp_static = bgp_static_new(); | |
5179 | bgp_static->backdoor = backdoor; | |
5180 | bgp_static->valid = 0; | |
5181 | bgp_static->igpmetric = 0; | |
5182 | bgp_static->igpnexthop.s_addr = 0; | |
5183 | bgp_static->label_index = label_index; | |
718e3744 | 5184 | |
e2a86ad9 | 5185 | if (rmap) { |
0a22ddfb QY |
5186 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5187 | bgp_static->rmap.name); | |
b4897fa5 | 5188 | route_map_counter_decrement( |
5189 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5190 | bgp_static->rmap.name = |
5191 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
5192 | bgp_static->rmap.map = | |
5193 | route_map_lookup_by_name(rmap); | |
b4897fa5 | 5194 | route_map_counter_increment( |
5195 | bgp_static->rmap.map); | |
e2a86ad9 | 5196 | } |
5a8ba9fc | 5197 | bgp_node_set_bgp_static_info(rn, bgp_static); |
e2a86ad9 | 5198 | } |
d62a17ae | 5199 | |
e2a86ad9 DS |
5200 | bgp_static->valid = 1; |
5201 | if (need_update) | |
5202 | bgp_static_withdraw(bgp, &p, afi, safi); | |
d62a17ae | 5203 | |
e2a86ad9 DS |
5204 | if (!bgp_static->backdoor) |
5205 | bgp_static_update(bgp, &p, bgp_static, afi, safi); | |
5206 | } | |
d62a17ae | 5207 | |
5208 | return CMD_SUCCESS; | |
5209 | } | |
5210 | ||
5211 | void bgp_static_add(struct bgp *bgp) | |
5212 | { | |
5213 | afi_t afi; | |
5214 | safi_t safi; | |
5215 | struct bgp_node *rn; | |
5216 | struct bgp_node *rm; | |
5217 | struct bgp_table *table; | |
5218 | struct bgp_static *bgp_static; | |
5219 | ||
05c7a1cc QY |
5220 | FOREACH_AFI_SAFI (afi, safi) |
5221 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5222 | rn = bgp_route_next(rn)) { | |
67009e22 | 5223 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5224 | continue; |
ea47320b | 5225 | |
05c7a1cc QY |
5226 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5227 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5228 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5229 | |
5230 | for (rm = bgp_table_top(table); rm; | |
5231 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5232 | bgp_static = |
5a8ba9fc DS |
5233 | bgp_node_get_bgp_static_info( |
5234 | rm); | |
05c7a1cc QY |
5235 | bgp_static_update_safi(bgp, &rm->p, |
5236 | bgp_static, afi, | |
5237 | safi); | |
d62a17ae | 5238 | } |
05c7a1cc | 5239 | } else { |
5a8ba9fc DS |
5240 | bgp_static_update( |
5241 | bgp, &rn->p, | |
5242 | bgp_node_get_bgp_static_info(rn), afi, | |
5243 | safi); | |
ea47320b | 5244 | } |
05c7a1cc | 5245 | } |
6aeb9e78 DS |
5246 | } |
5247 | ||
718e3744 | 5248 | /* Called from bgp_delete(). Delete all static routes from the BGP |
5249 | instance. */ | |
d62a17ae | 5250 | void bgp_static_delete(struct bgp *bgp) |
5251 | { | |
5252 | afi_t afi; | |
5253 | safi_t safi; | |
5254 | struct bgp_node *rn; | |
5255 | struct bgp_node *rm; | |
5256 | struct bgp_table *table; | |
5257 | struct bgp_static *bgp_static; | |
5258 | ||
05c7a1cc QY |
5259 | FOREACH_AFI_SAFI (afi, safi) |
5260 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5261 | rn = bgp_route_next(rn)) { | |
67009e22 | 5262 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5263 | continue; |
ea47320b | 5264 | |
05c7a1cc QY |
5265 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5266 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5267 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5268 | |
5269 | for (rm = bgp_table_top(table); rm; | |
5270 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5271 | bgp_static = |
5a8ba9fc DS |
5272 | bgp_node_get_bgp_static_info( |
5273 | rm); | |
c7d14ba6 PG |
5274 | if (!bgp_static) |
5275 | continue; | |
5276 | ||
05c7a1cc QY |
5277 | bgp_static_withdraw_safi( |
5278 | bgp, &rm->p, AFI_IP, safi, | |
5279 | (struct prefix_rd *)&rn->p); | |
ea47320b | 5280 | bgp_static_free(bgp_static); |
5a8ba9fc | 5281 | bgp_node_set_bgp_static_info(rn, NULL); |
ea47320b | 5282 | bgp_unlock_node(rn); |
d62a17ae | 5283 | } |
05c7a1cc | 5284 | } else { |
5a8ba9fc | 5285 | bgp_static = bgp_node_get_bgp_static_info(rn); |
05c7a1cc QY |
5286 | bgp_static_withdraw(bgp, &rn->p, afi, safi); |
5287 | bgp_static_free(bgp_static); | |
5a8ba9fc | 5288 | bgp_node_set_bgp_static_info(rn, NULL); |
05c7a1cc | 5289 | bgp_unlock_node(rn); |
ea47320b | 5290 | } |
05c7a1cc | 5291 | } |
d62a17ae | 5292 | } |
5293 | ||
5294 | void bgp_static_redo_import_check(struct bgp *bgp) | |
5295 | { | |
5296 | afi_t afi; | |
5297 | safi_t safi; | |
5298 | struct bgp_node *rn; | |
5299 | struct bgp_node *rm; | |
5300 | struct bgp_table *table; | |
5301 | struct bgp_static *bgp_static; | |
5302 | ||
5303 | /* Use this flag to force reprocessing of the route */ | |
5304 | bgp_flag_set(bgp, BGP_FLAG_FORCE_STATIC_PROCESS); | |
05c7a1cc QY |
5305 | FOREACH_AFI_SAFI (afi, safi) { |
5306 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5307 | rn = bgp_route_next(rn)) { | |
67009e22 | 5308 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5309 | continue; |
ea47320b | 5310 | |
05c7a1cc QY |
5311 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5312 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5313 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5314 | |
5315 | for (rm = bgp_table_top(table); rm; | |
5316 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5317 | bgp_static = |
5a8ba9fc DS |
5318 | bgp_node_get_bgp_static_info( |
5319 | rm); | |
05c7a1cc QY |
5320 | bgp_static_update_safi(bgp, &rm->p, |
5321 | bgp_static, afi, | |
5322 | safi); | |
d62a17ae | 5323 | } |
05c7a1cc | 5324 | } else { |
5a8ba9fc | 5325 | bgp_static = bgp_node_get_bgp_static_info(rn); |
05c7a1cc QY |
5326 | bgp_static_update(bgp, &rn->p, bgp_static, afi, |
5327 | safi); | |
ea47320b | 5328 | } |
05c7a1cc QY |
5329 | } |
5330 | } | |
d62a17ae | 5331 | bgp_flag_unset(bgp, BGP_FLAG_FORCE_STATIC_PROCESS); |
5332 | } | |
5333 | ||
5334 | static void bgp_purge_af_static_redist_routes(struct bgp *bgp, afi_t afi, | |
5335 | safi_t safi) | |
5336 | { | |
5337 | struct bgp_table *table; | |
5338 | struct bgp_node *rn; | |
40381db7 | 5339 | struct bgp_path_info *pi; |
d62a17ae | 5340 | |
dfb6fd1d NT |
5341 | /* Do not install the aggregate route if BGP is in the |
5342 | * process of termination. | |
5343 | */ | |
5344 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS) || | |
5345 | (bgp->peer_self == NULL)) | |
5346 | return; | |
5347 | ||
d62a17ae | 5348 | table = bgp->rib[afi][safi]; |
5349 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
6f94b685 | 5350 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 DS |
5351 | if (pi->peer == bgp->peer_self |
5352 | && ((pi->type == ZEBRA_ROUTE_BGP | |
5353 | && pi->sub_type == BGP_ROUTE_STATIC) | |
5354 | || (pi->type != ZEBRA_ROUTE_BGP | |
5355 | && pi->sub_type | |
d62a17ae | 5356 | == BGP_ROUTE_REDISTRIBUTE))) { |
40381db7 | 5357 | bgp_aggregate_decrement(bgp, &rn->p, pi, afi, |
d62a17ae | 5358 | safi); |
40381db7 DS |
5359 | bgp_unlink_nexthop(pi); |
5360 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 5361 | bgp_process(bgp, rn, afi, safi); |
5362 | } | |
5363 | } | |
5364 | } | |
ad4cbda1 | 5365 | } |
5366 | ||
5367 | /* | |
5368 | * Purge all networks and redistributed routes from routing table. | |
5369 | * Invoked upon the instance going down. | |
5370 | */ | |
d62a17ae | 5371 | void bgp_purge_static_redist_routes(struct bgp *bgp) |
ad4cbda1 | 5372 | { |
d62a17ae | 5373 | afi_t afi; |
5374 | safi_t safi; | |
ad4cbda1 | 5375 | |
05c7a1cc QY |
5376 | FOREACH_AFI_SAFI (afi, safi) |
5377 | bgp_purge_af_static_redist_routes(bgp, afi, safi); | |
ad4cbda1 | 5378 | } |
5379 | ||
137446f9 LB |
5380 | /* |
5381 | * gpz 110624 | |
5382 | * Currently this is used to set static routes for VPN and ENCAP. | |
5383 | * I think it can probably be factored with bgp_static_set. | |
5384 | */ | |
d62a17ae | 5385 | int bgp_static_set_safi(afi_t afi, safi_t safi, struct vty *vty, |
5386 | const char *ip_str, const char *rd_str, | |
5387 | const char *label_str, const char *rmap_str, | |
5388 | int evpn_type, const char *esi, const char *gwip, | |
5389 | const char *ethtag, const char *routermac) | |
5390 | { | |
5391 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5392 | int ret; | |
5393 | struct prefix p; | |
5394 | struct prefix_rd prd; | |
5395 | struct bgp_node *prn; | |
5396 | struct bgp_node *rn; | |
5397 | struct bgp_table *table; | |
5398 | struct bgp_static *bgp_static; | |
5399 | mpls_label_t label = MPLS_INVALID_LABEL; | |
5400 | struct prefix gw_ip; | |
5401 | ||
5402 | /* validate ip prefix */ | |
5403 | ret = str2prefix(ip_str, &p); | |
5404 | if (!ret) { | |
5405 | vty_out(vty, "%% Malformed prefix\n"); | |
5406 | return CMD_WARNING_CONFIG_FAILED; | |
5407 | } | |
5408 | apply_mask(&p); | |
5409 | if ((afi == AFI_L2VPN) | |
5410 | && (bgp_build_evpn_prefix(evpn_type, | |
5411 | ethtag != NULL ? atol(ethtag) : 0, &p))) { | |
5412 | vty_out(vty, "%% L2VPN prefix could not be forged\n"); | |
5413 | return CMD_WARNING_CONFIG_FAILED; | |
5414 | } | |
718e3744 | 5415 | |
d62a17ae | 5416 | ret = str2prefix_rd(rd_str, &prd); |
5417 | if (!ret) { | |
5418 | vty_out(vty, "%% Malformed rd\n"); | |
5419 | return CMD_WARNING_CONFIG_FAILED; | |
5420 | } | |
718e3744 | 5421 | |
d62a17ae | 5422 | if (label_str) { |
5423 | unsigned long label_val; | |
5424 | label_val = strtoul(label_str, NULL, 10); | |
5425 | encode_label(label_val, &label); | |
5426 | } | |
9bedbb1e | 5427 | |
d62a17ae | 5428 | if (safi == SAFI_EVPN) { |
5429 | if (esi && str2esi(esi, NULL) == 0) { | |
5430 | vty_out(vty, "%% Malformed ESI\n"); | |
5431 | return CMD_WARNING_CONFIG_FAILED; | |
5432 | } | |
5433 | if (routermac && prefix_str2mac(routermac, NULL) == 0) { | |
5434 | vty_out(vty, "%% Malformed Router MAC\n"); | |
5435 | return CMD_WARNING_CONFIG_FAILED; | |
5436 | } | |
5437 | if (gwip) { | |
5438 | memset(&gw_ip, 0, sizeof(struct prefix)); | |
5439 | ret = str2prefix(gwip, &gw_ip); | |
5440 | if (!ret) { | |
5441 | vty_out(vty, "%% Malformed GatewayIp\n"); | |
5442 | return CMD_WARNING_CONFIG_FAILED; | |
5443 | } | |
5444 | if ((gw_ip.family == AF_INET | |
3714a385 | 5445 | && is_evpn_prefix_ipaddr_v6( |
d62a17ae | 5446 | (struct prefix_evpn *)&p)) |
5447 | || (gw_ip.family == AF_INET6 | |
3714a385 | 5448 | && is_evpn_prefix_ipaddr_v4( |
d62a17ae | 5449 | (struct prefix_evpn *)&p))) { |
5450 | vty_out(vty, | |
5451 | "%% GatewayIp family differs with IP prefix\n"); | |
5452 | return CMD_WARNING_CONFIG_FAILED; | |
5453 | } | |
5454 | } | |
5455 | } | |
5456 | prn = bgp_node_get(bgp->route[afi][safi], (struct prefix *)&prd); | |
67009e22 DS |
5457 | if (!bgp_node_has_bgp_path_info_data(prn)) |
5458 | bgp_node_set_bgp_table_info(prn, | |
5459 | bgp_table_init(bgp, afi, safi)); | |
67009e22 | 5460 | table = bgp_node_get_bgp_table_info(prn); |
d62a17ae | 5461 | |
5462 | rn = bgp_node_get(table, &p); | |
5463 | ||
67009e22 | 5464 | if (bgp_node_has_bgp_path_info_data(rn)) { |
d62a17ae | 5465 | vty_out(vty, "%% Same network configuration exists\n"); |
5466 | bgp_unlock_node(rn); | |
5467 | } else { | |
5468 | /* New configuration. */ | |
5469 | bgp_static = bgp_static_new(); | |
5470 | bgp_static->backdoor = 0; | |
5471 | bgp_static->valid = 0; | |
5472 | bgp_static->igpmetric = 0; | |
5473 | bgp_static->igpnexthop.s_addr = 0; | |
5474 | bgp_static->label = label; | |
5475 | bgp_static->prd = prd; | |
5476 | ||
5477 | if (rmap_str) { | |
0a22ddfb | 5478 | XFREE(MTYPE_ROUTE_MAP_NAME, bgp_static->rmap.name); |
b4897fa5 | 5479 | route_map_counter_decrement(bgp_static->rmap.map); |
d62a17ae | 5480 | bgp_static->rmap.name = |
5481 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_str); | |
5482 | bgp_static->rmap.map = | |
5483 | route_map_lookup_by_name(rmap_str); | |
b4897fa5 | 5484 | route_map_counter_increment(bgp_static->rmap.map); |
d62a17ae | 5485 | } |
718e3744 | 5486 | |
d62a17ae | 5487 | if (safi == SAFI_EVPN) { |
5488 | if (esi) { | |
5489 | bgp_static->eth_s_id = | |
5490 | XCALLOC(MTYPE_ATTR, | |
5491 | sizeof(struct eth_segment_id)); | |
5492 | str2esi(esi, bgp_static->eth_s_id); | |
5493 | } | |
5494 | if (routermac) { | |
5495 | bgp_static->router_mac = | |
28328ea9 | 5496 | XCALLOC(MTYPE_ATTR, ETH_ALEN + 1); |
56cb79b6 A |
5497 | (void)prefix_str2mac(routermac, |
5498 | bgp_static->router_mac); | |
d62a17ae | 5499 | } |
5500 | if (gwip) | |
5501 | prefix_copy(&bgp_static->gatewayIp, &gw_ip); | |
5502 | } | |
5a8ba9fc | 5503 | bgp_node_set_bgp_static_info(rn, bgp_static); |
718e3744 | 5504 | |
d62a17ae | 5505 | bgp_static->valid = 1; |
5506 | bgp_static_update_safi(bgp, &p, bgp_static, afi, safi); | |
5507 | } | |
718e3744 | 5508 | |
d62a17ae | 5509 | return CMD_SUCCESS; |
718e3744 | 5510 | } |
5511 | ||
5512 | /* Configure static BGP network. */ | |
d62a17ae | 5513 | int bgp_static_unset_safi(afi_t afi, safi_t safi, struct vty *vty, |
5514 | const char *ip_str, const char *rd_str, | |
5515 | const char *label_str, int evpn_type, const char *esi, | |
5516 | const char *gwip, const char *ethtag) | |
5517 | { | |
5518 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5519 | int ret; | |
5520 | struct prefix p; | |
5521 | struct prefix_rd prd; | |
5522 | struct bgp_node *prn; | |
5523 | struct bgp_node *rn; | |
5524 | struct bgp_table *table; | |
5525 | struct bgp_static *bgp_static; | |
5526 | mpls_label_t label = MPLS_INVALID_LABEL; | |
5527 | ||
5528 | /* Convert IP prefix string to struct prefix. */ | |
5529 | ret = str2prefix(ip_str, &p); | |
5530 | if (!ret) { | |
5531 | vty_out(vty, "%% Malformed prefix\n"); | |
5532 | return CMD_WARNING_CONFIG_FAILED; | |
5533 | } | |
5534 | apply_mask(&p); | |
5535 | if ((afi == AFI_L2VPN) | |
5536 | && (bgp_build_evpn_prefix(evpn_type, | |
5537 | ethtag != NULL ? atol(ethtag) : 0, &p))) { | |
5538 | vty_out(vty, "%% L2VPN prefix could not be forged\n"); | |
5539 | return CMD_WARNING_CONFIG_FAILED; | |
5540 | } | |
5541 | ret = str2prefix_rd(rd_str, &prd); | |
5542 | if (!ret) { | |
5543 | vty_out(vty, "%% Malformed rd\n"); | |
5544 | return CMD_WARNING_CONFIG_FAILED; | |
5545 | } | |
718e3744 | 5546 | |
d62a17ae | 5547 | if (label_str) { |
5548 | unsigned long label_val; | |
5549 | label_val = strtoul(label_str, NULL, 10); | |
5550 | encode_label(label_val, &label); | |
5551 | } | |
718e3744 | 5552 | |
d62a17ae | 5553 | prn = bgp_node_get(bgp->route[afi][safi], (struct prefix *)&prd); |
67009e22 DS |
5554 | if (!bgp_node_has_bgp_path_info_data(prn)) |
5555 | bgp_node_set_bgp_table_info(prn, | |
5556 | bgp_table_init(bgp, afi, safi)); | |
d62a17ae | 5557 | else |
5558 | bgp_unlock_node(prn); | |
67009e22 | 5559 | table = bgp_node_get_bgp_table_info(prn); |
718e3744 | 5560 | |
d62a17ae | 5561 | rn = bgp_node_lookup(table, &p); |
6b0655a2 | 5562 | |
d62a17ae | 5563 | if (rn) { |
5564 | bgp_static_withdraw_safi(bgp, &p, afi, safi, &prd); | |
73ac8160 | 5565 | |
5a8ba9fc | 5566 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 5567 | bgp_static_free(bgp_static); |
5a8ba9fc | 5568 | bgp_node_set_bgp_static_info(rn, NULL); |
d62a17ae | 5569 | bgp_unlock_node(rn); |
5570 | bgp_unlock_node(rn); | |
5571 | } else | |
5572 | vty_out(vty, "%% Can't find the route\n"); | |
5573 | ||
5574 | return CMD_SUCCESS; | |
5575 | } | |
5576 | ||
5577 | static int bgp_table_map_set(struct vty *vty, afi_t afi, safi_t safi, | |
5578 | const char *rmap_name) | |
5579 | { | |
5580 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5581 | struct bgp_rmap *rmap; | |
5582 | ||
5583 | rmap = &bgp->table_map[afi][safi]; | |
5584 | if (rmap_name) { | |
0a22ddfb | 5585 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5586 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5587 | rmap->name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_name); |
5588 | rmap->map = route_map_lookup_by_name(rmap_name); | |
b4897fa5 | 5589 | route_map_counter_increment(rmap->map); |
d62a17ae | 5590 | } else { |
0a22ddfb | 5591 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5592 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5593 | rmap->name = NULL; |
5594 | rmap->map = NULL; | |
5595 | } | |
73ac8160 | 5596 | |
d62a17ae | 5597 | if (bgp_fibupd_safi(safi)) |
5598 | bgp_zebra_announce_table(bgp, afi, safi); | |
73ac8160 | 5599 | |
d62a17ae | 5600 | return CMD_SUCCESS; |
73ac8160 DS |
5601 | } |
5602 | ||
d62a17ae | 5603 | static int bgp_table_map_unset(struct vty *vty, afi_t afi, safi_t safi, |
5604 | const char *rmap_name) | |
73ac8160 | 5605 | { |
d62a17ae | 5606 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
5607 | struct bgp_rmap *rmap; | |
73ac8160 | 5608 | |
d62a17ae | 5609 | rmap = &bgp->table_map[afi][safi]; |
0a22ddfb | 5610 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5611 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5612 | rmap->name = NULL; |
5613 | rmap->map = NULL; | |
73ac8160 | 5614 | |
d62a17ae | 5615 | if (bgp_fibupd_safi(safi)) |
5616 | bgp_zebra_announce_table(bgp, afi, safi); | |
73ac8160 | 5617 | |
d62a17ae | 5618 | return CMD_SUCCESS; |
73ac8160 DS |
5619 | } |
5620 | ||
2b791107 | 5621 | void bgp_config_write_table_map(struct vty *vty, struct bgp *bgp, afi_t afi, |
60466a63 | 5622 | safi_t safi) |
73ac8160 | 5623 | { |
d62a17ae | 5624 | if (bgp->table_map[afi][safi].name) { |
d62a17ae | 5625 | vty_out(vty, " table-map %s\n", |
5626 | bgp->table_map[afi][safi].name); | |
5627 | } | |
73ac8160 DS |
5628 | } |
5629 | ||
73ac8160 DS |
5630 | DEFUN (bgp_table_map, |
5631 | bgp_table_map_cmd, | |
5632 | "table-map WORD", | |
5633 | "BGP table to RIB route download filter\n" | |
5634 | "Name of the route map\n") | |
5635 | { | |
d62a17ae | 5636 | int idx_word = 1; |
5637 | return bgp_table_map_set(vty, bgp_node_afi(vty), bgp_node_safi(vty), | |
5638 | argv[idx_word]->arg); | |
73ac8160 DS |
5639 | } |
5640 | DEFUN (no_bgp_table_map, | |
5641 | no_bgp_table_map_cmd, | |
5642 | "no table-map WORD", | |
3a2d747c | 5643 | NO_STR |
73ac8160 DS |
5644 | "BGP table to RIB route download filter\n" |
5645 | "Name of the route map\n") | |
5646 | { | |
d62a17ae | 5647 | int idx_word = 2; |
5648 | return bgp_table_map_unset(vty, bgp_node_afi(vty), bgp_node_safi(vty), | |
5649 | argv[idx_word]->arg); | |
73ac8160 DS |
5650 | } |
5651 | ||
e2a86ad9 DS |
5652 | DEFPY(bgp_network, |
5653 | bgp_network_cmd, | |
5654 | "[no] network \ | |
5655 | <A.B.C.D/M$prefix|A.B.C.D$address [mask A.B.C.D$netmask]> \ | |
5656 | [{route-map WORD$map_name|label-index (0-1048560)$label_index| \ | |
5657 | backdoor$backdoor}]", | |
5658 | NO_STR | |
5659 | "Specify a network to announce via BGP\n" | |
5660 | "IPv4 prefix\n" | |
5661 | "Network number\n" | |
5662 | "Network mask\n" | |
5663 | "Network mask\n" | |
5664 | "Route-map to modify the attributes\n" | |
5665 | "Name of the route map\n" | |
5666 | "Label index to associate with the prefix\n" | |
5667 | "Label index value\n" | |
5668 | "Specify a BGP backdoor route\n") | |
5669 | { | |
5670 | char addr_prefix_str[BUFSIZ]; | |
5671 | ||
5672 | if (address_str) { | |
5673 | int ret; | |
718e3744 | 5674 | |
e2a86ad9 DS |
5675 | ret = netmask_str2prefix_str(address_str, netmask_str, |
5676 | addr_prefix_str); | |
5677 | if (!ret) { | |
5678 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
5679 | return CMD_WARNING_CONFIG_FAILED; | |
5680 | } | |
d62a17ae | 5681 | } |
718e3744 | 5682 | |
a4d82a8a PZ |
5683 | return bgp_static_set( |
5684 | vty, no, address_str ? addr_prefix_str : prefix_str, AFI_IP, | |
5685 | bgp_node_safi(vty), map_name, backdoor ? 1 : 0, | |
5686 | label_index ? (uint32_t)label_index : BGP_INVALID_LABEL_INDEX); | |
718e3744 | 5687 | } |
5688 | ||
e2a86ad9 DS |
5689 | DEFPY(ipv6_bgp_network, |
5690 | ipv6_bgp_network_cmd, | |
5691 | "[no] network X:X::X:X/M$prefix \ | |
5692 | [{route-map WORD$map_name|label-index (0-1048560)$label_index}]", | |
5693 | NO_STR | |
5694 | "Specify a network to announce via BGP\n" | |
5695 | "IPv6 prefix\n" | |
5696 | "Route-map to modify the attributes\n" | |
5697 | "Name of the route map\n" | |
5698 | "Label index to associate with the prefix\n" | |
5699 | "Label index value\n") | |
718e3744 | 5700 | { |
a4d82a8a PZ |
5701 | return bgp_static_set( |
5702 | vty, no, prefix_str, AFI_IP6, bgp_node_safi(vty), map_name, 0, | |
5703 | label_index ? (uint32_t)label_index : BGP_INVALID_LABEL_INDEX); | |
1b6d5c7e VV |
5704 | } |
5705 | ||
d62a17ae | 5706 | static struct bgp_aggregate *bgp_aggregate_new(void) |
718e3744 | 5707 | { |
d62a17ae | 5708 | return XCALLOC(MTYPE_BGP_AGGREGATE, sizeof(struct bgp_aggregate)); |
718e3744 | 5709 | } |
5710 | ||
d62a17ae | 5711 | static void bgp_aggregate_free(struct bgp_aggregate *aggregate) |
718e3744 | 5712 | { |
20894f50 DA |
5713 | XFREE(MTYPE_ROUTE_MAP_NAME, aggregate->rmap.name); |
5714 | route_map_counter_decrement(aggregate->rmap.map); | |
d62a17ae | 5715 | XFREE(MTYPE_BGP_AGGREGATE, aggregate); |
5716 | } | |
718e3744 | 5717 | |
40381db7 | 5718 | static int bgp_aggregate_info_same(struct bgp_path_info *pi, uint8_t origin, |
29f7d023 | 5719 | struct aspath *aspath, |
3da2cc32 | 5720 | struct community *comm, |
dd18c5a9 DS |
5721 | struct ecommunity *ecomm, |
5722 | struct lcommunity *lcomm) | |
eaaf8adb DS |
5723 | { |
5724 | static struct aspath *ae = NULL; | |
5725 | ||
5726 | if (!ae) | |
5727 | ae = aspath_empty(); | |
5728 | ||
40381db7 | 5729 | if (!pi) |
eaaf8adb DS |
5730 | return 0; |
5731 | ||
40381db7 | 5732 | if (origin != pi->attr->origin) |
eaaf8adb DS |
5733 | return 0; |
5734 | ||
40381db7 | 5735 | if (!aspath_cmp(pi->attr->aspath, (aspath) ? aspath : ae)) |
29f7d023 DS |
5736 | return 0; |
5737 | ||
40381db7 | 5738 | if (!community_cmp(pi->attr->community, comm)) |
eaaf8adb DS |
5739 | return 0; |
5740 | ||
3da2cc32 | 5741 | if (!ecommunity_cmp(pi->attr->ecommunity, ecomm)) |
eaaf8adb DS |
5742 | return 0; |
5743 | ||
dd18c5a9 DS |
5744 | if (!lcommunity_cmp(pi->attr->lcommunity, lcomm)) |
5745 | return 0; | |
5746 | ||
40381db7 | 5747 | if (!CHECK_FLAG(pi->flags, BGP_PATH_VALID)) |
7ce8a8e0 DS |
5748 | return 0; |
5749 | ||
eaaf8adb DS |
5750 | return 1; |
5751 | } | |
5752 | ||
c701010e DS |
5753 | static void bgp_aggregate_install(struct bgp *bgp, afi_t afi, safi_t safi, |
5754 | struct prefix *p, uint8_t origin, | |
5755 | struct aspath *aspath, | |
5756 | struct community *community, | |
3da2cc32 | 5757 | struct ecommunity *ecommunity, |
dd18c5a9 | 5758 | struct lcommunity *lcommunity, |
c701010e DS |
5759 | uint8_t atomic_aggregate, |
5760 | struct bgp_aggregate *aggregate) | |
5761 | { | |
5762 | struct bgp_node *rn; | |
5763 | struct bgp_table *table; | |
6f94b685 | 5764 | struct bgp_path_info *pi, *orig, *new; |
20894f50 | 5765 | struct attr *attr; |
c701010e DS |
5766 | |
5767 | table = bgp->rib[afi][safi]; | |
5768 | ||
5769 | rn = bgp_node_get(table, p); | |
eaaf8adb | 5770 | |
6f94b685 | 5771 | for (orig = pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
5772 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
5773 | && pi->sub_type == BGP_ROUTE_AGGREGATE) | |
eaaf8adb DS |
5774 | break; |
5775 | ||
c701010e | 5776 | if (aggregate->count > 0) { |
eaaf8adb DS |
5777 | /* |
5778 | * If the aggregate information has not changed | |
5779 | * no need to re-install it again. | |
5780 | */ | |
6f94b685 | 5781 | if (bgp_aggregate_info_same(orig, origin, aspath, community, |
dd18c5a9 | 5782 | ecommunity, lcommunity)) { |
eaaf8adb DS |
5783 | bgp_unlock_node(rn); |
5784 | ||
5785 | if (aspath) | |
5786 | aspath_free(aspath); | |
5787 | if (community) | |
3c1f53de | 5788 | community_free(&community); |
3da2cc32 DS |
5789 | if (ecommunity) |
5790 | ecommunity_free(&ecommunity); | |
dd18c5a9 DS |
5791 | if (lcommunity) |
5792 | lcommunity_free(&lcommunity); | |
eaaf8adb DS |
5793 | |
5794 | return; | |
5795 | } | |
5796 | ||
5797 | /* | |
5798 | * Mark the old as unusable | |
5799 | */ | |
40381db7 DS |
5800 | if (pi) |
5801 | bgp_path_info_delete(rn, pi); | |
eaaf8adb | 5802 | |
20894f50 DA |
5803 | attr = bgp_attr_aggregate_intern( |
5804 | bgp, origin, aspath, community, ecommunity, lcommunity, | |
5805 | aggregate, atomic_aggregate, p); | |
5806 | ||
5807 | if (!attr) { | |
5808 | bgp_aggregate_delete(bgp, p, afi, safi, aggregate); | |
5809 | return; | |
5810 | } | |
5811 | ||
3da2cc32 | 5812 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_AGGREGATE, 0, |
20894f50 DA |
5813 | bgp->peer_self, attr, rn); |
5814 | ||
1defdda8 | 5815 | SET_FLAG(new->flags, BGP_PATH_VALID); |
c701010e | 5816 | |
18ee8310 | 5817 | bgp_path_info_add(rn, new); |
c701010e DS |
5818 | bgp_process(bgp, rn, afi, safi); |
5819 | } else { | |
6f94b685 | 5820 | for (pi = orig; pi; pi = pi->next) |
40381db7 DS |
5821 | if (pi->peer == bgp->peer_self |
5822 | && pi->type == ZEBRA_ROUTE_BGP | |
5823 | && pi->sub_type == BGP_ROUTE_AGGREGATE) | |
c701010e DS |
5824 | break; |
5825 | ||
5826 | /* Withdraw static BGP route from routing table. */ | |
40381db7 DS |
5827 | if (pi) { |
5828 | bgp_path_info_delete(rn, pi); | |
c701010e DS |
5829 | bgp_process(bgp, rn, afi, safi); |
5830 | } | |
5831 | } | |
5832 | ||
5833 | bgp_unlock_node(rn); | |
5834 | } | |
5835 | ||
b5d58c32 | 5836 | /* Update an aggregate as routes are added/removed from the BGP table */ |
20894f50 | 5837 | void bgp_aggregate_route(struct bgp *bgp, struct prefix *p, |
fc968841 | 5838 | afi_t afi, safi_t safi, |
d62a17ae | 5839 | struct bgp_aggregate *aggregate) |
5840 | { | |
5841 | struct bgp_table *table; | |
5842 | struct bgp_node *top; | |
5843 | struct bgp_node *rn; | |
d7c0a89a | 5844 | uint8_t origin; |
d62a17ae | 5845 | struct aspath *aspath = NULL; |
d62a17ae | 5846 | struct community *community = NULL; |
3da2cc32 | 5847 | struct ecommunity *ecommunity = NULL; |
dd18c5a9 | 5848 | struct lcommunity *lcommunity = NULL; |
40381db7 | 5849 | struct bgp_path_info *pi; |
d62a17ae | 5850 | unsigned long match = 0; |
d7c0a89a | 5851 | uint8_t atomic_aggregate = 0; |
d62a17ae | 5852 | |
9f822fa2 S |
5853 | /* If the bgp instance is being deleted or self peer is deleted |
5854 | * then do not create aggregate route | |
5855 | */ | |
5856 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS) || | |
5857 | (bgp->peer_self == NULL)) | |
5858 | return; | |
5859 | ||
d62a17ae | 5860 | /* ORIGIN attribute: If at least one route among routes that are |
5861 | aggregated has ORIGIN with the value INCOMPLETE, then the | |
5862 | aggregated route must have the ORIGIN attribute with the value | |
5863 | INCOMPLETE. Otherwise, if at least one route among routes that | |
5864 | are aggregated has ORIGIN with the value EGP, then the aggregated | |
5865 | route must have the origin attribute with the value EGP. In all | |
5866 | other case the value of the ORIGIN attribute of the aggregated | |
5867 | route is INTERNAL. */ | |
5868 | origin = BGP_ORIGIN_IGP; | |
718e3744 | 5869 | |
d62a17ae | 5870 | table = bgp->rib[afi][safi]; |
718e3744 | 5871 | |
d62a17ae | 5872 | top = bgp_node_get(table, p); |
5873 | for (rn = bgp_node_get(table, p); rn; | |
c2ff8b3e DS |
5874 | rn = bgp_route_next_until(rn, top)) { |
5875 | if (rn->p.prefixlen <= p->prefixlen) | |
5876 | continue; | |
d62a17ae | 5877 | |
c2ff8b3e | 5878 | match = 0; |
d62a17ae | 5879 | |
6f94b685 | 5880 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 5881 | if (BGP_PATH_HOLDDOWN(pi)) |
c2ff8b3e | 5882 | continue; |
718e3744 | 5883 | |
40381db7 | 5884 | if (pi->attr->flag |
c2ff8b3e DS |
5885 | & ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE)) |
5886 | atomic_aggregate = 1; | |
d62a17ae | 5887 | |
40381db7 | 5888 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) |
c2ff8b3e | 5889 | continue; |
d62a17ae | 5890 | |
f273fef1 DS |
5891 | /* |
5892 | * summary-only aggregate route suppress | |
5893 | * aggregated route announcements. | |
5894 | */ | |
c2ff8b3e | 5895 | if (aggregate->summary_only) { |
40381db7 DS |
5896 | (bgp_path_info_extra_get(pi))->suppress++; |
5897 | bgp_path_info_set_flag(rn, pi, | |
18ee8310 | 5898 | BGP_PATH_ATTR_CHANGED); |
c2ff8b3e | 5899 | match++; |
d62a17ae | 5900 | } |
c2ff8b3e DS |
5901 | |
5902 | aggregate->count++; | |
5903 | ||
f273fef1 DS |
5904 | /* |
5905 | * If at least one route among routes that are | |
5906 | * aggregated has ORIGIN with the value INCOMPLETE, | |
5907 | * then the aggregated route MUST have the ORIGIN | |
5908 | * attribute with the value INCOMPLETE. Otherwise, if | |
5909 | * at least one route among routes that are aggregated | |
5910 | * has ORIGIN with the value EGP, then the aggregated | |
5911 | * route MUST have the ORIGIN attribute with the value | |
5912 | * EGP. | |
5913 | */ | |
fc968841 NT |
5914 | switch (pi->attr->origin) { |
5915 | case BGP_ORIGIN_INCOMPLETE: | |
5916 | aggregate->incomplete_origin_count++; | |
5917 | break; | |
5918 | case BGP_ORIGIN_EGP: | |
5919 | aggregate->egp_origin_count++; | |
5920 | break; | |
5921 | default: | |
5922 | /*Do nothing. | |
5923 | */ | |
5924 | break; | |
5925 | } | |
c2ff8b3e DS |
5926 | |
5927 | if (!aggregate->as_set) | |
5928 | continue; | |
5929 | ||
f273fef1 DS |
5930 | /* |
5931 | * as-set aggregate route generate origin, as path, | |
5932 | * and community aggregation. | |
5933 | */ | |
fc968841 NT |
5934 | /* Compute aggregate route's as-path. |
5935 | */ | |
ef51a7d8 | 5936 | bgp_compute_aggregate_aspath_hash(aggregate, |
5937 | pi->attr->aspath); | |
c2ff8b3e | 5938 | |
fc968841 NT |
5939 | /* Compute aggregate route's community. |
5940 | */ | |
5941 | if (pi->attr->community) | |
21fec674 | 5942 | bgp_compute_aggregate_community_hash( |
fc968841 NT |
5943 | aggregate, |
5944 | pi->attr->community); | |
dd18c5a9 | 5945 | |
fc968841 NT |
5946 | /* Compute aggregate route's extended community. |
5947 | */ | |
5948 | if (pi->attr->ecommunity) | |
4edd83f9 | 5949 | bgp_compute_aggregate_ecommunity_hash( |
fc968841 NT |
5950 | aggregate, |
5951 | pi->attr->ecommunity); | |
5952 | ||
5953 | /* Compute aggregate route's large community. | |
5954 | */ | |
5955 | if (pi->attr->lcommunity) | |
f1eb1f05 | 5956 | bgp_compute_aggregate_lcommunity_hash( |
fc968841 NT |
5957 | aggregate, |
5958 | pi->attr->lcommunity); | |
d62a17ae | 5959 | } |
c2ff8b3e DS |
5960 | if (match) |
5961 | bgp_process(bgp, rn, afi, safi); | |
5962 | } | |
21fec674 | 5963 | if (aggregate->as_set) { |
ef51a7d8 | 5964 | bgp_compute_aggregate_aspath_val(aggregate); |
21fec674 | 5965 | bgp_compute_aggregate_community_val(aggregate); |
4edd83f9 | 5966 | bgp_compute_aggregate_ecommunity_val(aggregate); |
f1eb1f05 | 5967 | bgp_compute_aggregate_lcommunity_val(aggregate); |
21fec674 | 5968 | } |
5969 | ||
f1eb1f05 | 5970 | |
d62a17ae | 5971 | bgp_unlock_node(top); |
718e3744 | 5972 | |
718e3744 | 5973 | |
fc968841 NT |
5974 | if (aggregate->incomplete_origin_count > 0) |
5975 | origin = BGP_ORIGIN_INCOMPLETE; | |
5976 | else if (aggregate->egp_origin_count > 0) | |
5977 | origin = BGP_ORIGIN_EGP; | |
d62a17ae | 5978 | |
fc968841 NT |
5979 | if (aggregate->as_set) { |
5980 | if (aggregate->aspath) | |
5981 | /* Retrieve aggregate route's as-path. | |
5982 | */ | |
5983 | aspath = aspath_dup(aggregate->aspath); | |
d62a17ae | 5984 | |
fc968841 NT |
5985 | if (aggregate->community) |
5986 | /* Retrieve aggregate route's community. | |
5987 | */ | |
5988 | community = community_dup(aggregate->community); | |
3da2cc32 | 5989 | |
fc968841 NT |
5990 | if (aggregate->ecommunity) |
5991 | /* Retrieve aggregate route's ecommunity. | |
5992 | */ | |
5993 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
dd18c5a9 | 5994 | |
fc968841 NT |
5995 | if (aggregate->lcommunity) |
5996 | /* Retrieve aggregate route's lcommunity. | |
5997 | */ | |
5998 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
718e3744 | 5999 | } |
718e3744 | 6000 | |
c701010e | 6001 | bgp_aggregate_install(bgp, afi, safi, p, origin, aspath, community, |
dd18c5a9 DS |
6002 | ecommunity, lcommunity, atomic_aggregate, |
6003 | aggregate); | |
718e3744 | 6004 | } |
6005 | ||
20894f50 | 6006 | void bgp_aggregate_delete(struct bgp *bgp, struct prefix *p, afi_t afi, |
3b7db173 DS |
6007 | safi_t safi, struct bgp_aggregate *aggregate) |
6008 | { | |
6009 | struct bgp_table *table; | |
6010 | struct bgp_node *top; | |
6011 | struct bgp_node *rn; | |
40381db7 | 6012 | struct bgp_path_info *pi; |
3b7db173 DS |
6013 | unsigned long match; |
6014 | ||
6015 | table = bgp->rib[afi][safi]; | |
6016 | ||
6017 | /* If routes exists below this node, generate aggregate routes. */ | |
6018 | top = bgp_node_get(table, p); | |
6019 | for (rn = bgp_node_get(table, p); rn; | |
6020 | rn = bgp_route_next_until(rn, top)) { | |
6021 | if (rn->p.prefixlen <= p->prefixlen) | |
6022 | continue; | |
6023 | match = 0; | |
6024 | ||
6f94b685 | 6025 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 6026 | if (BGP_PATH_HOLDDOWN(pi)) |
3b7db173 DS |
6027 | continue; |
6028 | ||
40381db7 | 6029 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) |
3b7db173 DS |
6030 | continue; |
6031 | ||
40381db7 DS |
6032 | if (aggregate->summary_only && pi->extra) { |
6033 | pi->extra->suppress--; | |
3b7db173 | 6034 | |
40381db7 | 6035 | if (pi->extra->suppress == 0) { |
18ee8310 | 6036 | bgp_path_info_set_flag( |
40381db7 | 6037 | rn, pi, BGP_PATH_ATTR_CHANGED); |
3b7db173 DS |
6038 | match++; |
6039 | } | |
6040 | } | |
6041 | aggregate->count--; | |
fc968841 NT |
6042 | |
6043 | if (pi->attr->origin == BGP_ORIGIN_INCOMPLETE) | |
6044 | aggregate->incomplete_origin_count--; | |
6045 | else if (pi->attr->origin == BGP_ORIGIN_EGP) | |
6046 | aggregate->egp_origin_count--; | |
6047 | ||
6048 | if (aggregate->as_set) { | |
6049 | /* Remove as-path from aggregate. | |
6050 | */ | |
ef51a7d8 | 6051 | bgp_remove_aspath_from_aggregate_hash( |
fc968841 NT |
6052 | aggregate, |
6053 | pi->attr->aspath); | |
6054 | ||
6055 | if (pi->attr->community) | |
6056 | /* Remove community from aggregate. | |
6057 | */ | |
21fec674 | 6058 | bgp_remove_comm_from_aggregate_hash( |
fc968841 NT |
6059 | aggregate, |
6060 | pi->attr->community); | |
6061 | ||
6062 | if (pi->attr->ecommunity) | |
6063 | /* Remove ecommunity from aggregate. | |
6064 | */ | |
4edd83f9 | 6065 | bgp_remove_ecomm_from_aggregate_hash( |
fc968841 NT |
6066 | aggregate, |
6067 | pi->attr->ecommunity); | |
6068 | ||
6069 | if (pi->attr->lcommunity) | |
6070 | /* Remove lcommunity from aggregate. | |
6071 | */ | |
f1eb1f05 | 6072 | bgp_remove_lcomm_from_aggregate_hash( |
fc968841 NT |
6073 | aggregate, |
6074 | pi->attr->lcommunity); | |
6075 | } | |
6076 | ||
3b7db173 DS |
6077 | } |
6078 | ||
6079 | /* If this node was suppressed, process the change. */ | |
6080 | if (match) | |
6081 | bgp_process(bgp, rn, afi, safi); | |
6082 | } | |
f1eb1f05 | 6083 | if (aggregate->as_set) { |
ef51a7d8 | 6084 | aspath_free(aggregate->aspath); |
6085 | aggregate->aspath = NULL; | |
21fec674 | 6086 | if (aggregate->community) |
6087 | community_free(&aggregate->community); | |
4edd83f9 | 6088 | if (aggregate->ecommunity) |
6089 | ecommunity_free(&aggregate->ecommunity); | |
f1eb1f05 | 6090 | if (aggregate->lcommunity) |
6091 | lcommunity_free(&aggregate->lcommunity); | |
6092 | } | |
6093 | ||
3b7db173 DS |
6094 | bgp_unlock_node(top); |
6095 | } | |
718e3744 | 6096 | |
fc968841 NT |
6097 | static void bgp_add_route_to_aggregate(struct bgp *bgp, struct prefix *aggr_p, |
6098 | struct bgp_path_info *pinew, afi_t afi, | |
6099 | safi_t safi, | |
6100 | struct bgp_aggregate *aggregate) | |
6101 | { | |
6102 | uint8_t origin; | |
6103 | struct aspath *aspath = NULL; | |
6104 | uint8_t atomic_aggregate = 0; | |
6105 | struct community *community = NULL; | |
6106 | struct ecommunity *ecommunity = NULL; | |
6107 | struct lcommunity *lcommunity = NULL; | |
6108 | ||
6109 | /* ORIGIN attribute: If at least one route among routes that are | |
6110 | * aggregated has ORIGIN with the value INCOMPLETE, then the | |
6111 | * aggregated route must have the ORIGIN attribute with the value | |
6112 | * INCOMPLETE. Otherwise, if at least one route among routes that | |
6113 | * are aggregated has ORIGIN with the value EGP, then the aggregated | |
6114 | * route must have the origin attribute with the value EGP. In all | |
6115 | * other case the value of the ORIGIN attribute of the aggregated | |
6116 | * route is INTERNAL. | |
6117 | */ | |
6118 | origin = BGP_ORIGIN_IGP; | |
6119 | ||
6120 | aggregate->count++; | |
6121 | ||
6122 | if (aggregate->summary_only) | |
6123 | (bgp_path_info_extra_get(pinew))->suppress++; | |
6124 | ||
6125 | switch (pinew->attr->origin) { | |
6126 | case BGP_ORIGIN_INCOMPLETE: | |
6127 | aggregate->incomplete_origin_count++; | |
6128 | break; | |
6129 | case BGP_ORIGIN_EGP: | |
6130 | aggregate->egp_origin_count++; | |
6131 | break; | |
6132 | default: | |
6133 | /* Do nothing. | |
6134 | */ | |
6135 | break; | |
6136 | } | |
6137 | ||
6138 | if (aggregate->incomplete_origin_count > 0) | |
6139 | origin = BGP_ORIGIN_INCOMPLETE; | |
6140 | else if (aggregate->egp_origin_count > 0) | |
6141 | origin = BGP_ORIGIN_EGP; | |
6142 | ||
6143 | if (aggregate->as_set) { | |
6144 | /* Compute aggregate route's as-path. | |
6145 | */ | |
6146 | bgp_compute_aggregate_aspath(aggregate, | |
6147 | pinew->attr->aspath); | |
6148 | ||
6149 | /* Compute aggregate route's community. | |
6150 | */ | |
6151 | if (pinew->attr->community) | |
6152 | bgp_compute_aggregate_community( | |
6153 | aggregate, | |
6154 | pinew->attr->community); | |
6155 | ||
6156 | /* Compute aggregate route's extended community. | |
6157 | */ | |
6158 | if (pinew->attr->ecommunity) | |
6159 | bgp_compute_aggregate_ecommunity( | |
6160 | aggregate, | |
6161 | pinew->attr->ecommunity); | |
6162 | ||
6163 | /* Compute aggregate route's large community. | |
6164 | */ | |
6165 | if (pinew->attr->lcommunity) | |
6166 | bgp_compute_aggregate_lcommunity( | |
6167 | aggregate, | |
6168 | pinew->attr->lcommunity); | |
6169 | ||
6170 | /* Retrieve aggregate route's as-path. | |
6171 | */ | |
6172 | if (aggregate->aspath) | |
6173 | aspath = aspath_dup(aggregate->aspath); | |
6174 | ||
6175 | /* Retrieve aggregate route's community. | |
6176 | */ | |
6177 | if (aggregate->community) | |
6178 | community = community_dup(aggregate->community); | |
6179 | ||
6180 | /* Retrieve aggregate route's ecommunity. | |
6181 | */ | |
6182 | if (aggregate->ecommunity) | |
6183 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
6184 | ||
6185 | /* Retrieve aggregate route's lcommunity. | |
6186 | */ | |
6187 | if (aggregate->lcommunity) | |
6188 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
6189 | } | |
6190 | ||
6191 | bgp_aggregate_install(bgp, afi, safi, aggr_p, origin, | |
6192 | aspath, community, ecommunity, | |
6193 | lcommunity, atomic_aggregate, aggregate); | |
6194 | } | |
6195 | ||
6196 | static void bgp_remove_route_from_aggregate(struct bgp *bgp, afi_t afi, | |
6197 | safi_t safi, | |
6198 | struct bgp_path_info *pi, | |
6199 | struct bgp_aggregate *aggregate, | |
6200 | struct prefix *aggr_p) | |
6201 | { | |
6202 | uint8_t origin; | |
6203 | struct aspath *aspath = NULL; | |
6204 | uint8_t atomic_aggregate = 0; | |
6205 | struct community *community = NULL; | |
6206 | struct ecommunity *ecommunity = NULL; | |
6207 | struct lcommunity *lcommunity = NULL; | |
6208 | unsigned long match = 0; | |
6209 | ||
6210 | if (BGP_PATH_HOLDDOWN(pi)) | |
6211 | return; | |
6212 | ||
6213 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) | |
6214 | return; | |
6215 | ||
6216 | if (aggregate->summary_only | |
6217 | && pi->extra | |
6218 | && pi->extra->suppress > 0) { | |
6219 | pi->extra->suppress--; | |
6220 | ||
6221 | if (pi->extra->suppress == 0) { | |
6222 | bgp_path_info_set_flag(pi->net, pi, | |
6223 | BGP_PATH_ATTR_CHANGED); | |
6224 | match++; | |
6225 | } | |
6226 | } | |
6227 | ||
6228 | if (aggregate->count > 0) | |
6229 | aggregate->count--; | |
6230 | ||
6231 | if (pi->attr->origin == BGP_ORIGIN_INCOMPLETE) | |
6232 | aggregate->incomplete_origin_count--; | |
6233 | else if (pi->attr->origin == BGP_ORIGIN_EGP) | |
6234 | aggregate->egp_origin_count--; | |
6235 | ||
6236 | if (aggregate->as_set) { | |
6237 | /* Remove as-path from aggregate. | |
6238 | */ | |
6239 | bgp_remove_aspath_from_aggregate(aggregate, | |
6240 | pi->attr->aspath); | |
6241 | ||
6242 | if (pi->attr->community) | |
6243 | /* Remove community from aggregate. | |
6244 | */ | |
6245 | bgp_remove_community_from_aggregate( | |
6246 | aggregate, | |
6247 | pi->attr->community); | |
6248 | ||
6249 | if (pi->attr->ecommunity) | |
6250 | /* Remove ecommunity from aggregate. | |
6251 | */ | |
6252 | bgp_remove_ecommunity_from_aggregate( | |
6253 | aggregate, | |
6254 | pi->attr->ecommunity); | |
6255 | ||
6256 | if (pi->attr->lcommunity) | |
6257 | /* Remove lcommunity from aggregate. | |
6258 | */ | |
6259 | bgp_remove_lcommunity_from_aggregate( | |
6260 | aggregate, | |
6261 | pi->attr->lcommunity); | |
6262 | } | |
6263 | ||
6264 | /* If this node was suppressed, process the change. */ | |
6265 | if (match) | |
6266 | bgp_process(bgp, pi->net, afi, safi); | |
6267 | ||
6268 | origin = BGP_ORIGIN_IGP; | |
6269 | if (aggregate->incomplete_origin_count > 0) | |
6270 | origin = BGP_ORIGIN_INCOMPLETE; | |
6271 | else if (aggregate->egp_origin_count > 0) | |
6272 | origin = BGP_ORIGIN_EGP; | |
6273 | ||
6274 | if (aggregate->as_set) { | |
6275 | /* Retrieve aggregate route's as-path. | |
6276 | */ | |
6277 | if (aggregate->aspath) | |
6278 | aspath = aspath_dup(aggregate->aspath); | |
6279 | ||
6280 | /* Retrieve aggregate route's community. | |
6281 | */ | |
6282 | if (aggregate->community) | |
6283 | community = community_dup(aggregate->community); | |
6284 | ||
6285 | /* Retrieve aggregate route's ecommunity. | |
6286 | */ | |
6287 | if (aggregate->ecommunity) | |
6288 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
6289 | ||
6290 | /* Retrieve aggregate route's lcommunity. | |
6291 | */ | |
6292 | if (aggregate->lcommunity) | |
6293 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
6294 | } | |
6295 | ||
6296 | bgp_aggregate_install(bgp, afi, safi, aggr_p, origin, | |
6297 | aspath, community, ecommunity, | |
6298 | lcommunity, atomic_aggregate, aggregate); | |
6299 | } | |
6300 | ||
d62a17ae | 6301 | void bgp_aggregate_increment(struct bgp *bgp, struct prefix *p, |
40381db7 | 6302 | struct bgp_path_info *pi, afi_t afi, safi_t safi) |
718e3744 | 6303 | { |
d62a17ae | 6304 | struct bgp_node *child; |
6305 | struct bgp_node *rn; | |
6306 | struct bgp_aggregate *aggregate; | |
6307 | struct bgp_table *table; | |
718e3744 | 6308 | |
d62a17ae | 6309 | table = bgp->aggregate[afi][safi]; |
f018db83 | 6310 | |
d62a17ae | 6311 | /* No aggregates configured. */ |
6312 | if (bgp_table_top_nolock(table) == NULL) | |
6313 | return; | |
f018db83 | 6314 | |
d62a17ae | 6315 | if (p->prefixlen == 0) |
6316 | return; | |
718e3744 | 6317 | |
40381db7 | 6318 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 6319 | return; |
718e3744 | 6320 | |
d62a17ae | 6321 | child = bgp_node_get(table, p); |
718e3744 | 6322 | |
d62a17ae | 6323 | /* Aggregate address configuration check. */ |
b1e62edd | 6324 | for (rn = child; rn; rn = bgp_node_parent_nolock(rn)) { |
b613a918 | 6325 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 6326 | if (aggregate != NULL && rn->p.prefixlen < p->prefixlen) { |
fc968841 NT |
6327 | bgp_add_route_to_aggregate(bgp, &rn->p, pi, afi, |
6328 | safi, aggregate); | |
d62a17ae | 6329 | } |
b1e62edd | 6330 | } |
d62a17ae | 6331 | bgp_unlock_node(child); |
718e3744 | 6332 | } |
6333 | ||
d62a17ae | 6334 | void bgp_aggregate_decrement(struct bgp *bgp, struct prefix *p, |
4b7e6066 | 6335 | struct bgp_path_info *del, afi_t afi, safi_t safi) |
718e3744 | 6336 | { |
d62a17ae | 6337 | struct bgp_node *child; |
6338 | struct bgp_node *rn; | |
6339 | struct bgp_aggregate *aggregate; | |
6340 | struct bgp_table *table; | |
718e3744 | 6341 | |
d62a17ae | 6342 | table = bgp->aggregate[afi][safi]; |
718e3744 | 6343 | |
d62a17ae | 6344 | /* No aggregates configured. */ |
6345 | if (bgp_table_top_nolock(table) == NULL) | |
6346 | return; | |
718e3744 | 6347 | |
d62a17ae | 6348 | if (p->prefixlen == 0) |
6349 | return; | |
718e3744 | 6350 | |
d62a17ae | 6351 | child = bgp_node_get(table, p); |
718e3744 | 6352 | |
d62a17ae | 6353 | /* Aggregate address configuration check. */ |
b1e62edd | 6354 | for (rn = child; rn; rn = bgp_node_parent_nolock(rn)) { |
b613a918 | 6355 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 6356 | if (aggregate != NULL && rn->p.prefixlen < p->prefixlen) { |
fc968841 NT |
6357 | bgp_remove_route_from_aggregate(bgp, afi, safi, |
6358 | del, aggregate, &rn->p); | |
d62a17ae | 6359 | } |
b1e62edd | 6360 | } |
d62a17ae | 6361 | bgp_unlock_node(child); |
6362 | } | |
718e3744 | 6363 | |
718e3744 | 6364 | /* Aggregate route attribute. */ |
6365 | #define AGGREGATE_SUMMARY_ONLY 1 | |
6366 | #define AGGREGATE_AS_SET 1 | |
6367 | ||
d62a17ae | 6368 | static int bgp_aggregate_unset(struct vty *vty, const char *prefix_str, |
6369 | afi_t afi, safi_t safi) | |
718e3744 | 6370 | { |
d62a17ae | 6371 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
6372 | int ret; | |
6373 | struct prefix p; | |
6374 | struct bgp_node *rn; | |
6375 | struct bgp_aggregate *aggregate; | |
718e3744 | 6376 | |
d62a17ae | 6377 | /* Convert string to prefix structure. */ |
6378 | ret = str2prefix(prefix_str, &p); | |
6379 | if (!ret) { | |
6380 | vty_out(vty, "Malformed prefix\n"); | |
6381 | return CMD_WARNING_CONFIG_FAILED; | |
6382 | } | |
6383 | apply_mask(&p); | |
6384 | ||
6385 | /* Old configuration check. */ | |
6386 | rn = bgp_node_lookup(bgp->aggregate[afi][safi], &p); | |
6387 | if (!rn) { | |
6388 | vty_out(vty, | |
6389 | "%% There is no aggregate-address configuration.\n"); | |
6390 | return CMD_WARNING_CONFIG_FAILED; | |
6391 | } | |
f6269b4f | 6392 | |
b613a918 | 6393 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
09990cdd | 6394 | bgp_aggregate_delete(bgp, &p, afi, safi, aggregate); |
dd18c5a9 DS |
6395 | bgp_aggregate_install(bgp, afi, safi, &p, 0, NULL, NULL, |
6396 | NULL, NULL, 0, aggregate); | |
d62a17ae | 6397 | |
6398 | /* Unlock aggregate address configuration. */ | |
b613a918 | 6399 | bgp_node_set_bgp_aggregate_info(rn, NULL); |
fc968841 NT |
6400 | |
6401 | if (aggregate->community) | |
6402 | community_free(&aggregate->community); | |
6403 | ||
6404 | if (aggregate->community_hash) { | |
6405 | /* Delete all communities in the hash. | |
6406 | */ | |
6407 | hash_clean(aggregate->community_hash, | |
6408 | bgp_aggr_community_remove); | |
6409 | /* Free up the community_hash. | |
6410 | */ | |
6411 | hash_free(aggregate->community_hash); | |
6412 | } | |
6413 | ||
6414 | if (aggregate->ecommunity) | |
6415 | ecommunity_free(&aggregate->ecommunity); | |
6416 | ||
6417 | if (aggregate->ecommunity_hash) { | |
6418 | /* Delete all ecommunities in the hash. | |
6419 | */ | |
6420 | hash_clean(aggregate->ecommunity_hash, | |
6421 | bgp_aggr_ecommunity_remove); | |
6422 | /* Free up the ecommunity_hash. | |
6423 | */ | |
6424 | hash_free(aggregate->ecommunity_hash); | |
6425 | } | |
6426 | ||
6427 | if (aggregate->lcommunity) | |
6428 | lcommunity_free(&aggregate->lcommunity); | |
6429 | ||
6430 | if (aggregate->lcommunity_hash) { | |
6431 | /* Delete all lcommunities in the hash. | |
6432 | */ | |
6433 | hash_clean(aggregate->lcommunity_hash, | |
6434 | bgp_aggr_lcommunity_remove); | |
6435 | /* Free up the lcommunity_hash. | |
6436 | */ | |
6437 | hash_free(aggregate->lcommunity_hash); | |
6438 | } | |
6439 | ||
6440 | if (aggregate->aspath) | |
6441 | aspath_free(aggregate->aspath); | |
6442 | ||
6443 | if (aggregate->aspath_hash) { | |
6444 | /* Delete all as-paths in the hash. | |
6445 | */ | |
6446 | hash_clean(aggregate->aspath_hash, | |
6447 | bgp_aggr_aspath_remove); | |
6448 | /* Free up the aspath_hash. | |
6449 | */ | |
6450 | hash_free(aggregate->aspath_hash); | |
6451 | } | |
6452 | ||
d62a17ae | 6453 | bgp_aggregate_free(aggregate); |
6454 | bgp_unlock_node(rn); | |
6455 | bgp_unlock_node(rn); | |
6456 | ||
6457 | return CMD_SUCCESS; | |
6458 | } | |
6459 | ||
6460 | static int bgp_aggregate_set(struct vty *vty, const char *prefix_str, afi_t afi, | |
20894f50 DA |
6461 | safi_t safi, const char *rmap, uint8_t summary_only, |
6462 | uint8_t as_set) | |
d62a17ae | 6463 | { |
6464 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
6465 | int ret; | |
6466 | struct prefix p; | |
6467 | struct bgp_node *rn; | |
6468 | struct bgp_aggregate *aggregate; | |
6469 | ||
6470 | /* Convert string to prefix structure. */ | |
6471 | ret = str2prefix(prefix_str, &p); | |
6472 | if (!ret) { | |
6473 | vty_out(vty, "Malformed prefix\n"); | |
6474 | return CMD_WARNING_CONFIG_FAILED; | |
6475 | } | |
6476 | apply_mask(&p); | |
6477 | ||
3624ac81 DS |
6478 | if ((afi == AFI_IP && p.prefixlen == IPV4_MAX_BITLEN) || |
6479 | (afi == AFI_IP6 && p.prefixlen == IPV6_MAX_BITLEN)) { | |
6480 | vty_out(vty, "Specified prefix: %s will not result in any useful aggregation, disallowing\n", | |
6481 | prefix_str); | |
6482 | return CMD_WARNING_CONFIG_FAILED; | |
6483 | } | |
6484 | ||
d62a17ae | 6485 | /* Old configuration check. */ |
6486 | rn = bgp_node_get(bgp->aggregate[afi][safi], &p); | |
20894f50 | 6487 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
d62a17ae | 6488 | |
20894f50 | 6489 | if (aggregate) { |
d62a17ae | 6490 | vty_out(vty, "There is already same aggregate network.\n"); |
6491 | /* try to remove the old entry */ | |
6492 | ret = bgp_aggregate_unset(vty, prefix_str, afi, safi); | |
6493 | if (ret) { | |
6494 | vty_out(vty, "Error deleting aggregate.\n"); | |
6495 | bgp_unlock_node(rn); | |
6496 | return CMD_WARNING_CONFIG_FAILED; | |
6497 | } | |
6498 | } | |
718e3744 | 6499 | |
d62a17ae | 6500 | /* Make aggregate address structure. */ |
6501 | aggregate = bgp_aggregate_new(); | |
6502 | aggregate->summary_only = summary_only; | |
6503 | aggregate->as_set = as_set; | |
6504 | aggregate->safi = safi; | |
20894f50 DA |
6505 | |
6506 | if (rmap) { | |
6507 | XFREE(MTYPE_ROUTE_MAP_NAME, aggregate->rmap.name); | |
6508 | route_map_counter_decrement(aggregate->rmap.map); | |
6509 | aggregate->rmap.name = | |
6510 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
6511 | aggregate->rmap.map = route_map_lookup_by_name(rmap); | |
6512 | route_map_counter_increment(aggregate->rmap.map); | |
6513 | } | |
b613a918 | 6514 | bgp_node_set_bgp_aggregate_info(rn, aggregate); |
718e3744 | 6515 | |
d62a17ae | 6516 | /* Aggregate address insert into BGP routing table. */ |
fc968841 | 6517 | bgp_aggregate_route(bgp, &p, afi, safi, aggregate); |
718e3744 | 6518 | |
d62a17ae | 6519 | return CMD_SUCCESS; |
718e3744 | 6520 | } |
6521 | ||
6522 | DEFUN (aggregate_address, | |
6523 | aggregate_address_cmd, | |
20894f50 | 6524 | "aggregate-address A.B.C.D/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6525 | "Configure BGP aggregate entries\n" |
6526 | "Aggregate prefix\n" | |
6527 | "Generate AS set path information\n" | |
a636c635 DW |
6528 | "Filter more specific routes from updates\n" |
6529 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6530 | "Generate AS set path information\n" |
6531 | "Apply route map to aggregate network\n" | |
6532 | "Name of route map\n") | |
718e3744 | 6533 | { |
d62a17ae | 6534 | int idx = 0; |
6535 | argv_find(argv, argc, "A.B.C.D/M", &idx); | |
6536 | char *prefix = argv[idx]->arg; | |
20894f50 | 6537 | char *rmap = NULL; |
d62a17ae | 6538 | int as_set = |
6539 | argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET : 0; | |
6540 | idx = 0; | |
6541 | int summary_only = argv_find(argv, argc, "summary-only", &idx) | |
6542 | ? AGGREGATE_SUMMARY_ONLY | |
6543 | : 0; | |
e3e6107d | 6544 | |
20894f50 DA |
6545 | idx = 0; |
6546 | argv_find(argv, argc, "WORD", &idx); | |
6547 | if (idx) | |
6548 | rmap = argv[idx]->arg; | |
6549 | ||
d62a17ae | 6550 | return bgp_aggregate_set(vty, prefix, AFI_IP, bgp_node_safi(vty), |
20894f50 | 6551 | rmap, summary_only, as_set); |
718e3744 | 6552 | } |
6553 | ||
e3e6107d QY |
6554 | DEFUN (aggregate_address_mask, |
6555 | aggregate_address_mask_cmd, | |
20894f50 | 6556 | "aggregate-address A.B.C.D A.B.C.D [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6557 | "Configure BGP aggregate entries\n" |
6558 | "Aggregate address\n" | |
6559 | "Aggregate mask\n" | |
6560 | "Generate AS set path information\n" | |
a636c635 DW |
6561 | "Filter more specific routes from updates\n" |
6562 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6563 | "Generate AS set path information\n" |
6564 | "Apply route map to aggregate network\n" | |
6565 | "Name of route map\n") | |
718e3744 | 6566 | { |
d62a17ae | 6567 | int idx = 0; |
6568 | argv_find(argv, argc, "A.B.C.D", &idx); | |
6569 | char *prefix = argv[idx]->arg; | |
6570 | char *mask = argv[idx + 1]->arg; | |
cf40d052 | 6571 | bool rmap_found; |
20894f50 | 6572 | char *rmap = NULL; |
d62a17ae | 6573 | int as_set = |
6574 | argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET : 0; | |
6575 | idx = 0; | |
6576 | int summary_only = argv_find(argv, argc, "summary-only", &idx) | |
6577 | ? AGGREGATE_SUMMARY_ONLY | |
6578 | : 0; | |
6579 | ||
cf40d052 DS |
6580 | rmap_found = argv_find(argv, argc, "WORD", &idx); |
6581 | if (rmap_found) | |
20894f50 DA |
6582 | rmap = argv[idx]->arg; |
6583 | ||
d62a17ae | 6584 | char prefix_str[BUFSIZ]; |
6585 | int ret = netmask_str2prefix_str(prefix, mask, prefix_str); | |
6586 | ||
6587 | if (!ret) { | |
6588 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
6589 | return CMD_WARNING_CONFIG_FAILED; | |
6590 | } | |
718e3744 | 6591 | |
d62a17ae | 6592 | return bgp_aggregate_set(vty, prefix_str, AFI_IP, bgp_node_safi(vty), |
20894f50 | 6593 | rmap, summary_only, as_set); |
718e3744 | 6594 | } |
6595 | ||
718e3744 | 6596 | DEFUN (no_aggregate_address, |
6597 | no_aggregate_address_cmd, | |
b84da0db | 6598 | "no aggregate-address A.B.C.D/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6599 | NO_STR |
6600 | "Configure BGP aggregate entries\n" | |
a636c635 DW |
6601 | "Aggregate prefix\n" |
6602 | "Generate AS set path information\n" | |
e3e6107d QY |
6603 | "Filter more specific routes from updates\n" |
6604 | "Filter more specific routes from updates\n" | |
b84da0db DA |
6605 | "Generate AS set path information\n" |
6606 | "Apply route map to aggregate network\n" | |
6607 | "Name of route map\n") | |
718e3744 | 6608 | { |
d62a17ae | 6609 | int idx = 0; |
6610 | argv_find(argv, argc, "A.B.C.D/M", &idx); | |
6611 | char *prefix = argv[idx]->arg; | |
6612 | return bgp_aggregate_unset(vty, prefix, AFI_IP, bgp_node_safi(vty)); | |
718e3744 | 6613 | } |
6614 | ||
718e3744 | 6615 | DEFUN (no_aggregate_address_mask, |
6616 | no_aggregate_address_mask_cmd, | |
b84da0db | 6617 | "no aggregate-address A.B.C.D A.B.C.D [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6618 | NO_STR |
6619 | "Configure BGP aggregate entries\n" | |
6620 | "Aggregate address\n" | |
a636c635 DW |
6621 | "Aggregate mask\n" |
6622 | "Generate AS set path information\n" | |
e3e6107d QY |
6623 | "Filter more specific routes from updates\n" |
6624 | "Filter more specific routes from updates\n" | |
b84da0db DA |
6625 | "Generate AS set path information\n" |
6626 | "Apply route map to aggregate network\n" | |
6627 | "Name of route map\n") | |
718e3744 | 6628 | { |
d62a17ae | 6629 | int idx = 0; |
6630 | argv_find(argv, argc, "A.B.C.D", &idx); | |
6631 | char *prefix = argv[idx]->arg; | |
6632 | char *mask = argv[idx + 1]->arg; | |
718e3744 | 6633 | |
d62a17ae | 6634 | char prefix_str[BUFSIZ]; |
6635 | int ret = netmask_str2prefix_str(prefix, mask, prefix_str); | |
718e3744 | 6636 | |
d62a17ae | 6637 | if (!ret) { |
6638 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
6639 | return CMD_WARNING_CONFIG_FAILED; | |
6640 | } | |
718e3744 | 6641 | |
d62a17ae | 6642 | return bgp_aggregate_unset(vty, prefix_str, AFI_IP, bgp_node_safi(vty)); |
718e3744 | 6643 | } |
6644 | ||
718e3744 | 6645 | DEFUN (ipv6_aggregate_address, |
6646 | ipv6_aggregate_address_cmd, | |
20894f50 | 6647 | "aggregate-address X:X::X:X/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6648 | "Configure BGP aggregate entries\n" |
6649 | "Aggregate prefix\n" | |
5101fece | 6650 | "Generate AS set path information\n" |
6651 | "Filter more specific routes from updates\n" | |
6652 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6653 | "Generate AS set path information\n" |
6654 | "Apply route map to aggregate network\n" | |
6655 | "Name of route map\n") | |
718e3744 | 6656 | { |
d62a17ae | 6657 | int idx = 0; |
6658 | argv_find(argv, argc, "X:X::X:X/M", &idx); | |
6659 | char *prefix = argv[idx]->arg; | |
20894f50 | 6660 | char *rmap = NULL; |
273fae13 | 6661 | bool rmap_found; |
5101fece | 6662 | int as_set = |
6663 | argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET : 0; | |
6664 | ||
6665 | idx = 0; | |
d62a17ae | 6666 | int sum_only = argv_find(argv, argc, "summary-only", &idx) |
6667 | ? AGGREGATE_SUMMARY_ONLY | |
6668 | : 0; | |
20894f50 | 6669 | |
273fae13 DA |
6670 | rmap_found = argv_find(argv, argc, "WORD", &idx); |
6671 | if (rmap_found) | |
20894f50 DA |
6672 | rmap = argv[idx]->arg; |
6673 | ||
6674 | return bgp_aggregate_set(vty, prefix, AFI_IP6, SAFI_UNICAST, rmap, | |
6675 | sum_only, as_set); | |
718e3744 | 6676 | } |
6677 | ||
6678 | DEFUN (no_ipv6_aggregate_address, | |
6679 | no_ipv6_aggregate_address_cmd, | |
b84da0db | 6680 | "no aggregate-address X:X::X:X/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6681 | NO_STR |
6682 | "Configure BGP aggregate entries\n" | |
16cedbb0 | 6683 | "Aggregate prefix\n" |
5101fece | 6684 | "Generate AS set path information\n" |
6685 | "Filter more specific routes from updates\n" | |
6686 | "Filter more specific routes from updates\n" | |
b84da0db DA |
6687 | "Generate AS set path information\n" |
6688 | "Apply route map to aggregate network\n" | |
6689 | "Name of route map\n") | |
718e3744 | 6690 | { |
d62a17ae | 6691 | int idx = 0; |
6692 | argv_find(argv, argc, "X:X::X:X/M", &idx); | |
6693 | char *prefix = argv[idx]->arg; | |
6694 | return bgp_aggregate_unset(vty, prefix, AFI_IP6, SAFI_UNICAST); | |
718e3744 | 6695 | } |
6696 | ||
718e3744 | 6697 | /* Redistribute route treatment. */ |
d62a17ae | 6698 | void bgp_redistribute_add(struct bgp *bgp, struct prefix *p, |
9de1f7ff DS |
6699 | const union g_addr *nexthop, ifindex_t ifindex, |
6700 | enum nexthop_types_t nhtype, uint32_t metric, | |
d7c0a89a QY |
6701 | uint8_t type, unsigned short instance, |
6702 | route_tag_t tag) | |
d62a17ae | 6703 | { |
4b7e6066 | 6704 | struct bgp_path_info *new; |
40381db7 DS |
6705 | struct bgp_path_info *bpi; |
6706 | struct bgp_path_info rmap_path; | |
d62a17ae | 6707 | struct bgp_node *bn; |
6708 | struct attr attr; | |
6709 | struct attr *new_attr; | |
6710 | afi_t afi; | |
b68885f9 | 6711 | route_map_result_t ret; |
d62a17ae | 6712 | struct bgp_redist *red; |
6713 | ||
6714 | /* Make default attribute. */ | |
6715 | bgp_attr_default_set(&attr, BGP_ORIGIN_INCOMPLETE); | |
401b0636 DS |
6716 | /* |
6717 | * This must not be NULL to satisfy Coverity SA | |
6718 | */ | |
6719 | assert(attr.aspath); | |
9de1f7ff | 6720 | |
a4d82a8a | 6721 | switch (nhtype) { |
9de1f7ff DS |
6722 | case NEXTHOP_TYPE_IFINDEX: |
6723 | break; | |
6724 | case NEXTHOP_TYPE_IPV4: | |
6725 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
6726 | attr.nexthop = nexthop->ipv4; | |
6727 | break; | |
6728 | case NEXTHOP_TYPE_IPV6: | |
6729 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
6730 | attr.mp_nexthop_global = nexthop->ipv6; | |
6731 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; | |
6732 | break; | |
6733 | case NEXTHOP_TYPE_BLACKHOLE: | |
74489921 RW |
6734 | switch (p->family) { |
6735 | case AF_INET: | |
9de1f7ff | 6736 | attr.nexthop.s_addr = INADDR_ANY; |
74489921 RW |
6737 | break; |
6738 | case AF_INET6: | |
9de1f7ff DS |
6739 | memset(&attr.mp_nexthop_global, 0, |
6740 | sizeof(attr.mp_nexthop_global)); | |
74489921 | 6741 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; |
9de1f7ff | 6742 | break; |
74489921 | 6743 | } |
9de1f7ff | 6744 | break; |
d62a17ae | 6745 | } |
74489921 | 6746 | attr.nh_ifindex = ifindex; |
f04a80a5 | 6747 | |
d62a17ae | 6748 | attr.med = metric; |
6749 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
6750 | attr.tag = tag; | |
718e3744 | 6751 | |
d62a17ae | 6752 | afi = family2afi(p->family); |
6aeb9e78 | 6753 | |
d62a17ae | 6754 | red = bgp_redist_lookup(bgp, afi, type, instance); |
6755 | if (red) { | |
6756 | struct attr attr_new; | |
718e3744 | 6757 | |
d62a17ae | 6758 | /* Copy attribute for modification. */ |
6759 | bgp_attr_dup(&attr_new, &attr); | |
718e3744 | 6760 | |
d62a17ae | 6761 | if (red->redist_metric_flag) |
6762 | attr_new.med = red->redist_metric; | |
718e3744 | 6763 | |
d62a17ae | 6764 | /* Apply route-map. */ |
6765 | if (red->rmap.name) { | |
40381db7 DS |
6766 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
6767 | rmap_path.peer = bgp->peer_self; | |
6768 | rmap_path.attr = &attr_new; | |
718e3744 | 6769 | |
d62a17ae | 6770 | SET_FLAG(bgp->peer_self->rmap_type, |
6771 | PEER_RMAP_TYPE_REDISTRIBUTE); | |
6772 | ||
6773 | ret = route_map_apply(red->rmap.map, p, RMAP_BGP, | |
40381db7 | 6774 | &rmap_path); |
d62a17ae | 6775 | |
6776 | bgp->peer_self->rmap_type = 0; | |
6777 | ||
6778 | if (ret == RMAP_DENYMATCH) { | |
6779 | /* Free uninterned attribute. */ | |
6780 | bgp_attr_flush(&attr_new); | |
6781 | ||
6782 | /* Unintern original. */ | |
6783 | aspath_unintern(&attr.aspath); | |
6784 | bgp_redistribute_delete(bgp, p, type, instance); | |
6785 | return; | |
6786 | } | |
6787 | } | |
6788 | ||
7f323236 DW |
6789 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) |
6790 | bgp_attr_add_gshut_community(&attr_new); | |
6791 | ||
d62a17ae | 6792 | bn = bgp_afi_node_get(bgp->rib[afi][SAFI_UNICAST], afi, |
6793 | SAFI_UNICAST, p, NULL); | |
6794 | ||
6795 | new_attr = bgp_attr_intern(&attr_new); | |
6796 | ||
6f94b685 DS |
6797 | for (bpi = bgp_node_get_bgp_path_info(bn); bpi; |
6798 | bpi = bpi->next) | |
40381db7 DS |
6799 | if (bpi->peer == bgp->peer_self |
6800 | && bpi->sub_type == BGP_ROUTE_REDISTRIBUTE) | |
d62a17ae | 6801 | break; |
6802 | ||
40381db7 | 6803 | if (bpi) { |
d62a17ae | 6804 | /* Ensure the (source route) type is updated. */ |
40381db7 DS |
6805 | bpi->type = type; |
6806 | if (attrhash_cmp(bpi->attr, new_attr) | |
6807 | && !CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 6808 | bgp_attr_unintern(&new_attr); |
6809 | aspath_unintern(&attr.aspath); | |
6810 | bgp_unlock_node(bn); | |
6811 | return; | |
6812 | } else { | |
6813 | /* The attribute is changed. */ | |
40381db7 | 6814 | bgp_path_info_set_flag(bn, bpi, |
18ee8310 | 6815 | BGP_PATH_ATTR_CHANGED); |
d62a17ae | 6816 | |
6817 | /* Rewrite BGP route information. */ | |
40381db7 DS |
6818 | if (CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) |
6819 | bgp_path_info_restore(bn, bpi); | |
d62a17ae | 6820 | else |
40381db7 DS |
6821 | bgp_aggregate_decrement( |
6822 | bgp, p, bpi, afi, SAFI_UNICAST); | |
6823 | bgp_attr_unintern(&bpi->attr); | |
6824 | bpi->attr = new_attr; | |
6825 | bpi->uptime = bgp_clock(); | |
d62a17ae | 6826 | |
6827 | /* Process change. */ | |
40381db7 | 6828 | bgp_aggregate_increment(bgp, p, bpi, afi, |
d62a17ae | 6829 | SAFI_UNICAST); |
6830 | bgp_process(bgp, bn, afi, SAFI_UNICAST); | |
6831 | bgp_unlock_node(bn); | |
6832 | aspath_unintern(&attr.aspath); | |
ddb5b488 PZ |
6833 | |
6834 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
6835 | || (bgp->inst_type | |
6836 | == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6837 | ||
6838 | vpn_leak_from_vrf_update( | |
40381db7 | 6839 | bgp_get_default(), bgp, bpi); |
ddb5b488 | 6840 | } |
d62a17ae | 6841 | return; |
6842 | } | |
6843 | } | |
6844 | ||
6845 | new = info_make(type, BGP_ROUTE_REDISTRIBUTE, instance, | |
6846 | bgp->peer_self, new_attr, bn); | |
1defdda8 | 6847 | SET_FLAG(new->flags, BGP_PATH_VALID); |
d62a17ae | 6848 | |
6849 | bgp_aggregate_increment(bgp, p, new, afi, SAFI_UNICAST); | |
18ee8310 | 6850 | bgp_path_info_add(bn, new); |
d62a17ae | 6851 | bgp_unlock_node(bn); |
6852 | bgp_process(bgp, bn, afi, SAFI_UNICAST); | |
ddb5b488 PZ |
6853 | |
6854 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
6855 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6856 | ||
6857 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
6858 | } | |
d62a17ae | 6859 | } |
6860 | ||
6861 | /* Unintern original. */ | |
6862 | aspath_unintern(&attr.aspath); | |
718e3744 | 6863 | } |
6864 | ||
d7c0a89a QY |
6865 | void bgp_redistribute_delete(struct bgp *bgp, struct prefix *p, uint8_t type, |
6866 | unsigned short instance) | |
718e3744 | 6867 | { |
d62a17ae | 6868 | afi_t afi; |
6869 | struct bgp_node *rn; | |
40381db7 | 6870 | struct bgp_path_info *pi; |
d62a17ae | 6871 | struct bgp_redist *red; |
718e3744 | 6872 | |
d62a17ae | 6873 | afi = family2afi(p->family); |
718e3744 | 6874 | |
d62a17ae | 6875 | red = bgp_redist_lookup(bgp, afi, type, instance); |
6876 | if (red) { | |
6877 | rn = bgp_afi_node_get(bgp->rib[afi][SAFI_UNICAST], afi, | |
6878 | SAFI_UNICAST, p, NULL); | |
6879 | ||
6f94b685 | 6880 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 | 6881 | if (pi->peer == bgp->peer_self && pi->type == type) |
d62a17ae | 6882 | break; |
6883 | ||
40381db7 | 6884 | if (pi) { |
ddb5b488 PZ |
6885 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) |
6886 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6887 | ||
6888 | vpn_leak_from_vrf_withdraw(bgp_get_default(), | |
40381db7 | 6889 | bgp, pi); |
ddb5b488 | 6890 | } |
40381db7 DS |
6891 | bgp_aggregate_decrement(bgp, p, pi, afi, SAFI_UNICAST); |
6892 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 6893 | bgp_process(bgp, rn, afi, SAFI_UNICAST); |
6894 | } | |
6895 | bgp_unlock_node(rn); | |
6896 | } | |
6897 | } | |
6898 | ||
6899 | /* Withdraw specified route type's route. */ | |
6900 | void bgp_redistribute_withdraw(struct bgp *bgp, afi_t afi, int type, | |
d7c0a89a | 6901 | unsigned short instance) |
d62a17ae | 6902 | { |
6903 | struct bgp_node *rn; | |
40381db7 | 6904 | struct bgp_path_info *pi; |
d62a17ae | 6905 | struct bgp_table *table; |
6906 | ||
6907 | table = bgp->rib[afi][SAFI_UNICAST]; | |
6908 | ||
6909 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
6f94b685 | 6910 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
6911 | if (pi->peer == bgp->peer_self && pi->type == type |
6912 | && pi->instance == instance) | |
d62a17ae | 6913 | break; |
6914 | ||
40381db7 | 6915 | if (pi) { |
ddb5b488 PZ |
6916 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) |
6917 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6918 | ||
6919 | vpn_leak_from_vrf_withdraw(bgp_get_default(), | |
40381db7 | 6920 | bgp, pi); |
ddb5b488 | 6921 | } |
40381db7 | 6922 | bgp_aggregate_decrement(bgp, &rn->p, pi, afi, |
d62a17ae | 6923 | SAFI_UNICAST); |
40381db7 | 6924 | bgp_path_info_delete(rn, pi); |
d62a17ae | 6925 | bgp_process(bgp, rn, afi, SAFI_UNICAST); |
6926 | } | |
718e3744 | 6927 | } |
718e3744 | 6928 | } |
6b0655a2 | 6929 | |
718e3744 | 6930 | /* Static function to display route. */ |
9c92b5f7 MK |
6931 | static void route_vty_out_route(struct prefix *p, struct vty *vty, |
6932 | json_object *json) | |
718e3744 | 6933 | { |
be054588 | 6934 | int len = 0; |
d62a17ae | 6935 | char buf[BUFSIZ]; |
50e05855 | 6936 | char buf2[BUFSIZ]; |
718e3744 | 6937 | |
d62a17ae | 6938 | if (p->family == AF_INET) { |
c6462ff4 | 6939 | if (!json) { |
89e5e9f0 PM |
6940 | len = vty_out( |
6941 | vty, "%s/%d", | |
6942 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
6943 | p->prefixlen); | |
c6462ff4 MK |
6944 | } else { |
6945 | json_object_string_add(json, "prefix", | |
6946 | inet_ntop(p->family, | |
6947 | &p->u.prefix, buf, | |
6948 | BUFSIZ)); | |
6949 | json_object_int_add(json, "prefixLen", p->prefixlen); | |
37d4e0df | 6950 | prefix2str(p, buf2, PREFIX_STRLEN); |
50e05855 | 6951 | json_object_string_add(json, "network", buf2); |
c6462ff4 | 6952 | } |
d62a17ae | 6953 | } else if (p->family == AF_ETHERNET) { |
b03b8898 DS |
6954 | prefix2str(p, buf, PREFIX_STRLEN); |
6955 | len = vty_out(vty, "%s", buf); | |
6956 | } else if (p->family == AF_EVPN) { | |
57f7feb6 | 6957 | if (!json) |
60466a63 QY |
6958 | len = vty_out( |
6959 | vty, "%s", | |
6960 | bgp_evpn_route2str((struct prefix_evpn *)p, buf, | |
6961 | BUFSIZ)); | |
57f7feb6 | 6962 | else |
60466a63 | 6963 | bgp_evpn_route2json((struct prefix_evpn *)p, json); |
dba3c1d3 PG |
6964 | } else if (p->family == AF_FLOWSPEC) { |
6965 | route_vty_out_flowspec(vty, p, NULL, | |
d33fc23b PG |
6966 | json ? |
6967 | NLRI_STRING_FORMAT_JSON_SIMPLE : | |
6968 | NLRI_STRING_FORMAT_MIN, json); | |
9c92b5f7 | 6969 | } else { |
c6462ff4 | 6970 | if (!json) |
60466a63 QY |
6971 | len = vty_out( |
6972 | vty, "%s/%d", | |
6973 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
6974 | p->prefixlen); | |
50e05855 AD |
6975 | else { |
6976 | json_object_string_add(json, "prefix", | |
6977 | inet_ntop(p->family, | |
6978 | &p->u.prefix, buf, | |
6979 | BUFSIZ)); | |
6980 | json_object_int_add(json, "prefixLen", p->prefixlen); | |
37d4e0df AD |
6981 | prefix2str(p, buf2, PREFIX_STRLEN); |
6982 | json_object_string_add(json, "network", buf2); | |
6983 | } | |
9c92b5f7 | 6984 | } |
d62a17ae | 6985 | |
9c92b5f7 MK |
6986 | if (!json) { |
6987 | len = 17 - len; | |
6988 | if (len < 1) | |
6989 | vty_out(vty, "\n%*s", 20, " "); | |
6990 | else | |
6991 | vty_out(vty, "%*s", len, " "); | |
6992 | } | |
718e3744 | 6993 | } |
6994 | ||
d62a17ae | 6995 | enum bgp_display_type { |
6996 | normal_list, | |
718e3744 | 6997 | }; |
6998 | ||
18ee8310 | 6999 | /* Print the short form route status for a bgp_path_info */ |
4b7e6066 | 7000 | static void route_vty_short_status_out(struct vty *vty, |
9b6d8fcf | 7001 | struct bgp_path_info *path, |
d62a17ae | 7002 | json_object *json_path) |
718e3744 | 7003 | { |
d62a17ae | 7004 | if (json_path) { |
b05a1c8b | 7005 | |
d62a17ae | 7006 | /* Route status display. */ |
9b6d8fcf | 7007 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) |
d62a17ae | 7008 | json_object_boolean_true_add(json_path, "removed"); |
b05a1c8b | 7009 | |
9b6d8fcf | 7010 | if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) |
d62a17ae | 7011 | json_object_boolean_true_add(json_path, "stale"); |
b05a1c8b | 7012 | |
9b6d8fcf | 7013 | if (path->extra && path->extra->suppress) |
d62a17ae | 7014 | json_object_boolean_true_add(json_path, "suppressed"); |
b05a1c8b | 7015 | |
9b6d8fcf DS |
7016 | if (CHECK_FLAG(path->flags, BGP_PATH_VALID) |
7017 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) | |
d62a17ae | 7018 | json_object_boolean_true_add(json_path, "valid"); |
b05a1c8b | 7019 | |
d62a17ae | 7020 | /* Selected */ |
9b6d8fcf | 7021 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) |
d62a17ae | 7022 | json_object_boolean_true_add(json_path, "history"); |
b05a1c8b | 7023 | |
9b6d8fcf | 7024 | if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) |
d62a17ae | 7025 | json_object_boolean_true_add(json_path, "damped"); |
b05a1c8b | 7026 | |
9b6d8fcf | 7027 | if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) |
d62a17ae | 7028 | json_object_boolean_true_add(json_path, "bestpath"); |
b05a1c8b | 7029 | |
9b6d8fcf | 7030 | if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH)) |
d62a17ae | 7031 | json_object_boolean_true_add(json_path, "multipath"); |
b05a1c8b | 7032 | |
d62a17ae | 7033 | /* Internal route. */ |
9b6d8fcf DS |
7034 | if ((path->peer->as) |
7035 | && (path->peer->as == path->peer->local_as)) | |
d62a17ae | 7036 | json_object_string_add(json_path, "pathFrom", |
7037 | "internal"); | |
7038 | else | |
7039 | json_object_string_add(json_path, "pathFrom", | |
7040 | "external"); | |
b05a1c8b | 7041 | |
d62a17ae | 7042 | return; |
7043 | } | |
b05a1c8b | 7044 | |
d62a17ae | 7045 | /* Route status display. */ |
9b6d8fcf | 7046 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) |
d62a17ae | 7047 | vty_out(vty, "R"); |
9b6d8fcf | 7048 | else if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) |
d62a17ae | 7049 | vty_out(vty, "S"); |
9b6d8fcf | 7050 | else if (path->extra && path->extra->suppress) |
d62a17ae | 7051 | vty_out(vty, "s"); |
9b6d8fcf DS |
7052 | else if (CHECK_FLAG(path->flags, BGP_PATH_VALID) |
7053 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) | |
d62a17ae | 7054 | vty_out(vty, "*"); |
7055 | else | |
7056 | vty_out(vty, " "); | |
7057 | ||
7058 | /* Selected */ | |
9b6d8fcf | 7059 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) |
d62a17ae | 7060 | vty_out(vty, "h"); |
9b6d8fcf | 7061 | else if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) |
d62a17ae | 7062 | vty_out(vty, "d"); |
9b6d8fcf | 7063 | else if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) |
d62a17ae | 7064 | vty_out(vty, ">"); |
9b6d8fcf | 7065 | else if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH)) |
d62a17ae | 7066 | vty_out(vty, "="); |
7067 | else | |
7068 | vty_out(vty, " "); | |
718e3744 | 7069 | |
d62a17ae | 7070 | /* Internal route. */ |
9b6d8fcf DS |
7071 | if (path->peer && (path->peer->as) |
7072 | && (path->peer->as == path->peer->local_as)) | |
d62a17ae | 7073 | vty_out(vty, "i"); |
7074 | else | |
7075 | vty_out(vty, " "); | |
b40d939b | 7076 | } |
7077 | ||
25b5da8d DA |
7078 | static char *bgp_nexthop_fqdn(struct peer *peer) |
7079 | { | |
7080 | if (peer->hostname && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME)) | |
7081 | return peer->hostname; | |
7082 | return NULL; | |
7083 | } | |
7084 | ||
b40d939b | 7085 | /* called from terminal list command */ |
4b7e6066 | 7086 | void route_vty_out(struct vty *vty, struct prefix *p, |
9b6d8fcf | 7087 | struct bgp_path_info *path, int display, safi_t safi, |
4b7e6066 | 7088 | json_object *json_paths) |
d62a17ae | 7089 | { |
7090 | struct attr *attr; | |
7091 | json_object *json_path = NULL; | |
7092 | json_object *json_nexthops = NULL; | |
7093 | json_object *json_nexthop_global = NULL; | |
7094 | json_object *json_nexthop_ll = NULL; | |
6f214dd3 | 7095 | json_object *json_ext_community = NULL; |
9df8b37c | 7096 | char vrf_id_str[VRF_NAMSIZ] = {0}; |
1defdda8 | 7097 | bool nexthop_self = |
9b6d8fcf | 7098 | CHECK_FLAG(path->flags, BGP_PATH_ANNC_NH_SELF) ? true : false; |
9df8b37c | 7099 | bool nexthop_othervrf = false; |
43089216 | 7100 | vrf_id_t nexthop_vrfid = VRF_DEFAULT; |
4d97eea6 | 7101 | const char *nexthop_vrfname = VRF_DEFAULT_NAME; |
25b5da8d | 7102 | char *nexthop_fqdn = bgp_nexthop_fqdn(path->peer); |
d62a17ae | 7103 | |
7104 | if (json_paths) | |
7105 | json_path = json_object_new_object(); | |
7106 | ||
7107 | /* short status lead text */ | |
9b6d8fcf | 7108 | route_vty_short_status_out(vty, path, json_path); |
d62a17ae | 7109 | |
7110 | if (!json_paths) { | |
7111 | /* print prefix and mask */ | |
7112 | if (!display) | |
9c92b5f7 | 7113 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 7114 | else |
7115 | vty_out(vty, "%*s", 17, " "); | |
9c92b5f7 | 7116 | } else { |
b682f6de | 7117 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 7118 | } |
47fc97cc | 7119 | |
d62a17ae | 7120 | /* Print attribute */ |
9b6d8fcf | 7121 | attr = path->attr; |
445c2480 | 7122 | |
9df8b37c PZ |
7123 | /* |
7124 | * If vrf id of nexthop is different from that of prefix, | |
7125 | * set up printable string to append | |
7126 | */ | |
9b6d8fcf | 7127 | if (path->extra && path->extra->bgp_orig) { |
9df8b37c PZ |
7128 | const char *self = ""; |
7129 | ||
7130 | if (nexthop_self) | |
7131 | self = "<"; | |
7132 | ||
7133 | nexthop_othervrf = true; | |
9b6d8fcf | 7134 | nexthop_vrfid = path->extra->bgp_orig->vrf_id; |
9df8b37c | 7135 | |
9b6d8fcf | 7136 | if (path->extra->bgp_orig->vrf_id == VRF_UNKNOWN) |
9df8b37c PZ |
7137 | snprintf(vrf_id_str, sizeof(vrf_id_str), |
7138 | "@%s%s", VRFID_NONE_STR, self); | |
7139 | else | |
7140 | snprintf(vrf_id_str, sizeof(vrf_id_str), "@%u%s", | |
9b6d8fcf | 7141 | path->extra->bgp_orig->vrf_id, self); |
9df8b37c | 7142 | |
9b6d8fcf DS |
7143 | if (path->extra->bgp_orig->inst_type |
7144 | != BGP_INSTANCE_TYPE_DEFAULT) | |
9df8b37c | 7145 | |
9b6d8fcf | 7146 | nexthop_vrfname = path->extra->bgp_orig->name; |
9df8b37c PZ |
7147 | } else { |
7148 | const char *self = ""; | |
7149 | ||
7150 | if (nexthop_self) | |
7151 | self = "<"; | |
7152 | ||
7153 | snprintf(vrf_id_str, sizeof(vrf_id_str), "%s", self); | |
7154 | } | |
7155 | ||
445c2480 DS |
7156 | /* |
7157 | * For ENCAP and EVPN routes, nexthop address family is not | |
7158 | * neccessarily the same as the prefix address family. | |
7159 | * Both SAFI_MPLS_VPN and SAFI_ENCAP use the MP nexthop field | |
7160 | * EVPN routes are also exchanged with a MP nexthop. Currently, | |
7161 | * this | |
7162 | * is only IPv4, the value will be present in either | |
7163 | * attr->nexthop or | |
7164 | * attr->mp_nexthop_global_in | |
7165 | */ | |
7166 | if ((safi == SAFI_ENCAP) || (safi == SAFI_MPLS_VPN)) { | |
7167 | char buf[BUFSIZ]; | |
7168 | char nexthop[128]; | |
7169 | int af = NEXTHOP_FAMILY(attr->mp_nexthop_len); | |
7170 | ||
7171 | switch (af) { | |
7172 | case AF_INET: | |
7173 | sprintf(nexthop, "%s", | |
a4d82a8a PZ |
7174 | inet_ntop(af, &attr->mp_nexthop_global_in, buf, |
7175 | BUFSIZ)); | |
445c2480 DS |
7176 | break; |
7177 | case AF_INET6: | |
7178 | sprintf(nexthop, "%s", | |
a4d82a8a PZ |
7179 | inet_ntop(af, &attr->mp_nexthop_global, buf, |
7180 | BUFSIZ)); | |
445c2480 DS |
7181 | break; |
7182 | default: | |
7183 | sprintf(nexthop, "?"); | |
7184 | break; | |
d62a17ae | 7185 | } |
d62a17ae | 7186 | |
445c2480 DS |
7187 | if (json_paths) { |
7188 | json_nexthop_global = json_object_new_object(); | |
7189 | ||
25b5da8d DA |
7190 | json_object_string_add( |
7191 | json_nexthop_global, "afi", | |
7192 | nexthop_fqdn ? "fqdn" | |
7193 | : (af == AF_INET) ? "ip" : "ipv6"); | |
7194 | json_object_string_add( | |
7195 | json_nexthop_global, | |
7196 | nexthop_fqdn ? "fqdn" | |
7197 | : (af == AF_INET) ? "ip" : "ipv6", | |
7198 | nexthop_fqdn ? nexthop_fqdn : nexthop); | |
445c2480 DS |
7199 | json_object_boolean_true_add(json_nexthop_global, |
7200 | "used"); | |
7201 | } else | |
25b5da8d DA |
7202 | vty_out(vty, "%s%s", |
7203 | nexthop_fqdn ? nexthop_fqdn : nexthop, | |
7204 | vrf_id_str); | |
445c2480 DS |
7205 | } else if (safi == SAFI_EVPN) { |
7206 | if (json_paths) { | |
7207 | json_nexthop_global = json_object_new_object(); | |
7208 | ||
25b5da8d DA |
7209 | json_object_string_add( |
7210 | json_nexthop_global, | |
7211 | nexthop_fqdn ? "fqdn" : "ip", | |
7212 | nexthop_fqdn ? nexthop_fqdn | |
7213 | : inet_ntoa(attr->nexthop)); | |
a4d82a8a PZ |
7214 | json_object_string_add(json_nexthop_global, "afi", |
7215 | "ipv4"); | |
445c2480 DS |
7216 | json_object_boolean_true_add(json_nexthop_global, |
7217 | "used"); | |
7218 | } else | |
25b5da8d DA |
7219 | vty_out(vty, "%-16s%s", |
7220 | nexthop_fqdn ?: inet_ntoa(attr->nexthop), | |
9df8b37c | 7221 | vrf_id_str); |
d33fc23b | 7222 | } else if (safi == SAFI_FLOWSPEC) { |
026b914a PG |
7223 | if (attr->nexthop.s_addr != 0) { |
7224 | if (json_paths) { | |
7225 | json_nexthop_global = json_object_new_object(); | |
7226 | json_object_string_add( | |
25b5da8d DA |
7227 | json_nexthop_global, |
7228 | nexthop_fqdn ? "fqdn" : "ip", | |
7229 | nexthop_fqdn | |
7230 | ? nexthop_fqdn | |
7231 | : inet_ntoa(attr->nexthop)); | |
026b914a PG |
7232 | json_object_string_add(json_nexthop_global, |
7233 | "afi", "ipv4"); | |
50e05855 AD |
7234 | json_object_boolean_true_add( |
7235 | json_nexthop_global, | |
026b914a PG |
7236 | "used"); |
7237 | } else { | |
25b5da8d DA |
7238 | vty_out(vty, "%-16s", |
7239 | nexthop_fqdn | |
7240 | ? nexthop_fqdn | |
7241 | : inet_ntoa(attr->nexthop)); | |
026b914a PG |
7242 | } |
7243 | } | |
d33fc23b | 7244 | } else if (p->family == AF_INET && !BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { |
445c2480 DS |
7245 | if (json_paths) { |
7246 | json_nexthop_global = json_object_new_object(); | |
d62a17ae | 7247 | |
22df2d8a DS |
7248 | json_object_string_add(json_nexthop_global, |
7249 | nexthop_fqdn ? "fqdn" : "ip", | |
7250 | nexthop_fqdn | |
7251 | ? nexthop_fqdn | |
7252 | : inet_ntoa(attr->nexthop)); | |
445c2480 | 7253 | |
a4d82a8a PZ |
7254 | json_object_string_add(json_nexthop_global, "afi", |
7255 | "ipv4"); | |
445c2480 DS |
7256 | json_object_boolean_true_add(json_nexthop_global, |
7257 | "used"); | |
7258 | } else { | |
9df8b37c PZ |
7259 | char buf[BUFSIZ]; |
7260 | ||
d87ff2dd | 7261 | snprintf(buf, sizeof(buf), "%s%s", |
25b5da8d DA |
7262 | nexthop_fqdn ? nexthop_fqdn |
7263 | : inet_ntoa(attr->nexthop), | |
7264 | vrf_id_str); | |
9df8b37c | 7265 | vty_out(vty, "%-16s", buf); |
d62a17ae | 7266 | } |
445c2480 | 7267 | } |
b05a1c8b | 7268 | |
445c2480 | 7269 | /* IPv6 Next Hop */ |
a4d82a8a | 7270 | else if (p->family == AF_INET6 || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { |
445c2480 DS |
7271 | int len; |
7272 | char buf[BUFSIZ]; | |
d62a17ae | 7273 | |
445c2480 DS |
7274 | if (json_paths) { |
7275 | json_nexthop_global = json_object_new_object(); | |
a4d82a8a | 7276 | json_object_string_add( |
25b5da8d DA |
7277 | json_nexthop_global, |
7278 | nexthop_fqdn ? "fqdn" : "ip", | |
7279 | nexthop_fqdn | |
7280 | ? nexthop_fqdn | |
7281 | : inet_ntop(AF_INET6, | |
7282 | &attr->mp_nexthop_global, | |
7283 | buf, BUFSIZ)); | |
a4d82a8a PZ |
7284 | json_object_string_add(json_nexthop_global, "afi", |
7285 | "ipv6"); | |
7286 | json_object_string_add(json_nexthop_global, "scope", | |
7287 | "global"); | |
445c2480 DS |
7288 | |
7289 | /* We display both LL & GL if both have been | |
7290 | * received */ | |
0606039c DA |
7291 | if ((attr->mp_nexthop_len |
7292 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) | |
9b6d8fcf | 7293 | || (path->peer->conf_if)) { |
a4d82a8a | 7294 | json_nexthop_ll = json_object_new_object(); |
d62a17ae | 7295 | json_object_string_add( |
25b5da8d DA |
7296 | json_nexthop_ll, |
7297 | nexthop_fqdn ? "fqdn" : "ip", | |
7298 | nexthop_fqdn | |
7299 | ? nexthop_fqdn | |
7300 | : inet_ntop( | |
7301 | AF_INET6, | |
7302 | &attr->mp_nexthop_local, | |
7303 | buf, BUFSIZ)); | |
a4d82a8a PZ |
7304 | json_object_string_add(json_nexthop_ll, "afi", |
7305 | "ipv6"); | |
7306 | json_object_string_add(json_nexthop_ll, "scope", | |
445c2480 | 7307 | "link-local"); |
d62a17ae | 7308 | |
a4d82a8a PZ |
7309 | if ((IPV6_ADDR_CMP(&attr->mp_nexthop_global, |
7310 | &attr->mp_nexthop_local) | |
445c2480 DS |
7311 | != 0) |
7312 | && !attr->mp_nexthop_prefer_global) | |
d62a17ae | 7313 | json_object_boolean_true_add( |
a4d82a8a | 7314 | json_nexthop_ll, "used"); |
445c2480 DS |
7315 | else |
7316 | json_object_boolean_true_add( | |
a4d82a8a | 7317 | json_nexthop_global, "used"); |
445c2480 DS |
7318 | } else |
7319 | json_object_boolean_true_add( | |
7320 | json_nexthop_global, "used"); | |
7321 | } else { | |
7322 | /* Display LL if LL/Global both in table unless | |
7323 | * prefer-global is set */ | |
0606039c DA |
7324 | if (((attr->mp_nexthop_len |
7325 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) | |
445c2480 | 7326 | && !attr->mp_nexthop_prefer_global) |
9b6d8fcf DS |
7327 | || (path->peer->conf_if)) { |
7328 | if (path->peer->conf_if) { | |
a4d82a8a | 7329 | len = vty_out(vty, "%s", |
9b6d8fcf | 7330 | path->peer->conf_if); |
445c2480 DS |
7331 | len = 16 - len; /* len of IPv6 |
7332 | addr + max | |
7333 | len of def | |
7334 | ifname */ | |
7335 | ||
7336 | if (len < 1) | |
a4d82a8a | 7337 | vty_out(vty, "\n%*s", 36, " "); |
445c2480 | 7338 | else |
a4d82a8a | 7339 | vty_out(vty, "%*s", len, " "); |
d62a17ae | 7340 | } else { |
7341 | len = vty_out( | |
9df8b37c | 7342 | vty, "%s%s", |
25b5da8d DA |
7343 | nexthop_fqdn |
7344 | ? nexthop_fqdn | |
7345 | : inet_ntop( | |
7346 | AF_INET6, | |
7347 | &attr->mp_nexthop_local, | |
7348 | buf, BUFSIZ), | |
9df8b37c | 7349 | vrf_id_str); |
d62a17ae | 7350 | len = 16 - len; |
7351 | ||
7352 | if (len < 1) | |
a4d82a8a | 7353 | vty_out(vty, "\n%*s", 36, " "); |
d62a17ae | 7354 | else |
a4d82a8a | 7355 | vty_out(vty, "%*s", len, " "); |
d62a17ae | 7356 | } |
445c2480 | 7357 | } else { |
a4d82a8a | 7358 | len = vty_out( |
9df8b37c | 7359 | vty, "%s%s", |
25b5da8d DA |
7360 | nexthop_fqdn |
7361 | ? nexthop_fqdn | |
7362 | : inet_ntop( | |
7363 | AF_INET6, | |
7364 | &attr->mp_nexthop_global, | |
7365 | buf, BUFSIZ), | |
7366 | vrf_id_str); | |
445c2480 DS |
7367 | len = 16 - len; |
7368 | ||
7369 | if (len < 1) | |
7370 | vty_out(vty, "\n%*s", 36, " "); | |
7371 | else | |
7372 | vty_out(vty, "%*s", len, " "); | |
d62a17ae | 7373 | } |
7374 | } | |
445c2480 | 7375 | } |
718e3744 | 7376 | |
445c2480 DS |
7377 | /* MED/Metric */ |
7378 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
50e05855 AD |
7379 | if (json_paths) { |
7380 | ||
7381 | /* | |
7382 | * Adding "metric" field to match with corresponding | |
7383 | * CLI. "med" will be deprecated in future. | |
7384 | */ | |
a4d82a8a | 7385 | json_object_int_add(json_path, "med", attr->med); |
50e05855 AD |
7386 | json_object_int_add(json_path, "metric", attr->med); |
7387 | } else | |
445c2480 DS |
7388 | vty_out(vty, "%10u", attr->med); |
7389 | else if (!json_paths) | |
7390 | vty_out(vty, " "); | |
d62a17ae | 7391 | |
445c2480 DS |
7392 | /* Local Pref */ |
7393 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) | |
50e05855 AD |
7394 | if (json_paths) { |
7395 | ||
7396 | /* | |
7397 | * Adding "locPrf" field to match with corresponding | |
7398 | * CLI. "localPref" will be deprecated in future. | |
7399 | */ | |
445c2480 DS |
7400 | json_object_int_add(json_path, "localpref", |
7401 | attr->local_pref); | |
50e05855 AD |
7402 | json_object_int_add(json_path, "locPrf", |
7403 | attr->local_pref); | |
7404 | } else | |
445c2480 DS |
7405 | vty_out(vty, "%7u", attr->local_pref); |
7406 | else if (!json_paths) | |
7407 | vty_out(vty, " "); | |
d62a17ae | 7408 | |
445c2480 DS |
7409 | if (json_paths) |
7410 | json_object_int_add(json_path, "weight", attr->weight); | |
7411 | else | |
7412 | vty_out(vty, "%7u ", attr->weight); | |
47fc97cc | 7413 | |
445c2480 DS |
7414 | if (json_paths) { |
7415 | char buf[BUFSIZ]; | |
a4d82a8a PZ |
7416 | json_object_string_add( |
7417 | json_path, "peerId", | |
9b6d8fcf | 7418 | sockunion2str(&path->peer->su, buf, SU_ADDRSTRLEN)); |
445c2480 | 7419 | } |
b05a1c8b | 7420 | |
445c2480 DS |
7421 | /* Print aspath */ |
7422 | if (attr->aspath) { | |
50e05855 AD |
7423 | if (json_paths) { |
7424 | ||
7425 | /* | |
7426 | * Adding "path" field to match with corresponding | |
7427 | * CLI. "aspath" will be deprecated in future. | |
7428 | */ | |
445c2480 DS |
7429 | json_object_string_add(json_path, "aspath", |
7430 | attr->aspath->str); | |
50e05855 AD |
7431 | json_object_string_add(json_path, "path", |
7432 | attr->aspath->str); | |
7433 | } else | |
445c2480 | 7434 | aspath_print_vty(vty, "%s", attr->aspath, " "); |
d62a17ae | 7435 | } |
f1aa5d8a | 7436 | |
445c2480 DS |
7437 | /* Print origin */ |
7438 | if (json_paths) | |
a4d82a8a PZ |
7439 | json_object_string_add(json_path, "origin", |
7440 | bgp_origin_long_str[attr->origin]); | |
445c2480 DS |
7441 | else |
7442 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
7443 | ||
9df8b37c | 7444 | if (json_paths) { |
6f214dd3 CS |
7445 | if (safi == SAFI_EVPN && |
7446 | attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
7447 | json_ext_community = json_object_new_object(); | |
7448 | json_object_string_add(json_ext_community, | |
7449 | "string", | |
7450 | attr->ecommunity->str); | |
7451 | json_object_object_add(json_path, | |
7452 | "extendedCommunity", | |
7453 | json_ext_community); | |
7454 | } | |
7455 | ||
9df8b37c PZ |
7456 | if (nexthop_self) |
7457 | json_object_boolean_true_add(json_path, | |
7458 | "announceNexthopSelf"); | |
7459 | if (nexthop_othervrf) { | |
7460 | json_object_string_add(json_path, "nhVrfName", | |
7461 | nexthop_vrfname); | |
7462 | ||
7463 | json_object_int_add(json_path, "nhVrfId", | |
7464 | ((nexthop_vrfid == VRF_UNKNOWN) | |
7465 | ? -1 | |
7466 | : (int)nexthop_vrfid)); | |
7467 | } | |
7468 | } | |
7469 | ||
d62a17ae | 7470 | if (json_paths) { |
7471 | if (json_nexthop_global || json_nexthop_ll) { | |
7472 | json_nexthops = json_object_new_array(); | |
f1aa5d8a | 7473 | |
d62a17ae | 7474 | if (json_nexthop_global) |
7475 | json_object_array_add(json_nexthops, | |
7476 | json_nexthop_global); | |
f1aa5d8a | 7477 | |
d62a17ae | 7478 | if (json_nexthop_ll) |
7479 | json_object_array_add(json_nexthops, | |
7480 | json_nexthop_ll); | |
f1aa5d8a | 7481 | |
d62a17ae | 7482 | json_object_object_add(json_path, "nexthops", |
7483 | json_nexthops); | |
7484 | } | |
7485 | ||
7486 | json_object_array_add(json_paths, json_path); | |
7487 | } else { | |
7488 | vty_out(vty, "\n"); | |
6f214dd3 CS |
7489 | |
7490 | if (safi == SAFI_EVPN && | |
7491 | attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
7492 | vty_out(vty, "%*s", 20, " "); | |
7493 | vty_out(vty, "%s\n", attr->ecommunity->str); | |
7494 | } | |
7495 | ||
65efcfce | 7496 | #if ENABLE_BGP_VNC |
d62a17ae | 7497 | /* prints an additional line, indented, with VNC info, if |
7498 | * present */ | |
7499 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP)) | |
9b6d8fcf | 7500 | rfapi_vty_out_vncinfo(vty, p, path, safi); |
65efcfce | 7501 | #endif |
d62a17ae | 7502 | } |
7503 | } | |
718e3744 | 7504 | |
7505 | /* called from terminal list command */ | |
d62a17ae | 7506 | void route_vty_out_tmp(struct vty *vty, struct prefix *p, struct attr *attr, |
9f049418 | 7507 | safi_t safi, bool use_json, json_object *json_ar) |
d62a17ae | 7508 | { |
7509 | json_object *json_status = NULL; | |
7510 | json_object *json_net = NULL; | |
7511 | char buff[BUFSIZ]; | |
dc387b0f | 7512 | |
d62a17ae | 7513 | /* Route status display. */ |
7514 | if (use_json) { | |
7515 | json_status = json_object_new_object(); | |
7516 | json_net = json_object_new_object(); | |
7517 | } else { | |
7518 | vty_out(vty, "*"); | |
7519 | vty_out(vty, ">"); | |
7520 | vty_out(vty, " "); | |
7521 | } | |
718e3744 | 7522 | |
d62a17ae | 7523 | /* print prefix and mask */ |
50e05855 | 7524 | if (use_json) { |
dc387b0f LK |
7525 | if (safi == SAFI_EVPN) |
7526 | bgp_evpn_route2json((struct prefix_evpn *)p, json_net); | |
7527 | else if (p->family == AF_INET || p->family == AF_INET6) { | |
7528 | json_object_string_add( | |
7529 | json_net, "addrPrefix", | |
7530 | inet_ntop(p->family, &p->u.prefix, buff, | |
7531 | BUFSIZ)); | |
7532 | json_object_int_add(json_net, "prefixLen", | |
7533 | p->prefixlen); | |
7534 | prefix2str(p, buff, PREFIX_STRLEN); | |
7535 | json_object_string_add(json_net, "network", buff); | |
7536 | } | |
50e05855 | 7537 | } else |
9c92b5f7 | 7538 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7539 | |
7540 | /* Print attribute */ | |
7541 | if (attr) { | |
7542 | if (use_json) { | |
7543 | if (p->family == AF_INET | |
7544 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
d62a17ae | 7545 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { |
dc387b0f | 7546 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP) |
d62a17ae | 7547 | json_object_string_add( |
7548 | json_net, "nextHop", | |
7549 | inet_ntoa( | |
7550 | attr->mp_nexthop_global_in)); | |
7551 | else | |
7552 | json_object_string_add( | |
7553 | json_net, "nextHop", | |
7554 | inet_ntoa(attr->nexthop)); | |
7555 | } else if (p->family == AF_INET6 | |
7556 | || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { | |
7557 | char buf[BUFSIZ]; | |
7558 | ||
7559 | json_object_string_add( | |
aa0a10fc | 7560 | json_net, "nextHopGlobal", |
d62a17ae | 7561 | inet_ntop(AF_INET6, |
7562 | &attr->mp_nexthop_global, buf, | |
7563 | BUFSIZ)); | |
dc387b0f LK |
7564 | } else if (p->family == AF_EVPN && |
7565 | !BGP_ATTR_NEXTHOP_AFI_IP6(attr)) | |
7566 | json_object_string_add(json_net, | |
7567 | "nextHop", inet_ntoa( | |
7568 | attr->mp_nexthop_global_in)); | |
d62a17ae | 7569 | |
7570 | if (attr->flag | |
7571 | & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
7572 | json_object_int_add(json_net, "metric", | |
7573 | attr->med); | |
7574 | ||
50e05855 AD |
7575 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) { |
7576 | ||
7577 | /* | |
7578 | * Adding "locPrf" field to match with | |
7579 | * corresponding CLI. "localPref" will be | |
7580 | * deprecated in future. | |
7581 | */ | |
d62a17ae | 7582 | json_object_int_add(json_net, "localPref", |
7583 | attr->local_pref); | |
50e05855 AD |
7584 | json_object_int_add(json_net, "locPrf", |
7585 | attr->local_pref); | |
7586 | } | |
d62a17ae | 7587 | |
7588 | json_object_int_add(json_net, "weight", attr->weight); | |
7589 | ||
7590 | /* Print aspath */ | |
50e05855 AD |
7591 | if (attr->aspath) { |
7592 | ||
7593 | /* | |
7594 | * Adding "path" field to match with | |
7595 | * corresponding CLI. "localPref" will be | |
7596 | * deprecated in future. | |
7597 | */ | |
d62a17ae | 7598 | json_object_string_add(json_net, "asPath", |
7599 | attr->aspath->str); | |
50e05855 AD |
7600 | json_object_string_add(json_net, "path", |
7601 | attr->aspath->str); | |
7602 | } | |
d62a17ae | 7603 | |
7604 | /* Print origin */ | |
7605 | json_object_string_add(json_net, "bgpOriginCode", | |
7606 | bgp_origin_str[attr->origin]); | |
7607 | } else { | |
7608 | if (p->family == AF_INET | |
7609 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7610 | || safi == SAFI_EVPN | |
7611 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
7612 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7613 | || safi == SAFI_EVPN) | |
7614 | vty_out(vty, "%-16s", | |
7615 | inet_ntoa( | |
7616 | attr->mp_nexthop_global_in)); | |
7617 | else | |
7618 | vty_out(vty, "%-16s", | |
7619 | inet_ntoa(attr->nexthop)); | |
7620 | } else if (p->family == AF_INET6 | |
7621 | || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { | |
7622 | int len; | |
7623 | char buf[BUFSIZ]; | |
7624 | ||
7625 | len = vty_out( | |
7626 | vty, "%s", | |
7627 | inet_ntop(AF_INET6, | |
7628 | &attr->mp_nexthop_global, buf, | |
7629 | BUFSIZ)); | |
7630 | len = 16 - len; | |
7631 | if (len < 1) | |
7632 | vty_out(vty, "\n%*s", 36, " "); | |
7633 | else | |
7634 | vty_out(vty, "%*s", len, " "); | |
7635 | } | |
7636 | if (attr->flag | |
7637 | & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
7638 | vty_out(vty, "%10u", attr->med); | |
7639 | else | |
7640 | vty_out(vty, " "); | |
718e3744 | 7641 | |
d62a17ae | 7642 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) |
7643 | vty_out(vty, "%7u", attr->local_pref); | |
7644 | else | |
7645 | vty_out(vty, " "); | |
7646 | ||
7647 | vty_out(vty, "%7u ", attr->weight); | |
7648 | ||
7649 | /* Print aspath */ | |
7650 | if (attr->aspath) | |
7651 | aspath_print_vty(vty, "%s", attr->aspath, " "); | |
7652 | ||
7653 | /* Print origin */ | |
7654 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
7655 | } | |
7656 | } | |
7657 | if (use_json) { | |
7658 | json_object_boolean_true_add(json_status, "*"); | |
7659 | json_object_boolean_true_add(json_status, ">"); | |
7660 | json_object_object_add(json_net, "appliedStatusSymbols", | |
7661 | json_status); | |
1608ff77 | 7662 | |
dc387b0f LK |
7663 | prefix2str(p, buff, PREFIX_STRLEN); |
7664 | json_object_object_add(json_ar, buff, json_net); | |
d62a17ae | 7665 | } else |
7666 | vty_out(vty, "\n"); | |
7667 | } | |
7668 | ||
7669 | void route_vty_out_tag(struct vty *vty, struct prefix *p, | |
9b6d8fcf | 7670 | struct bgp_path_info *path, int display, safi_t safi, |
d62a17ae | 7671 | json_object *json) |
7672 | { | |
7673 | json_object *json_out = NULL; | |
7674 | struct attr *attr; | |
7675 | mpls_label_t label = MPLS_INVALID_LABEL; | |
7676 | ||
9b6d8fcf | 7677 | if (!path->extra) |
d62a17ae | 7678 | return; |
7679 | ||
7680 | if (json) | |
7681 | json_out = json_object_new_object(); | |
7682 | ||
7683 | /* short status lead text */ | |
9b6d8fcf | 7684 | route_vty_short_status_out(vty, path, json_out); |
d62a17ae | 7685 | |
7686 | /* print prefix and mask */ | |
7687 | if (json == NULL) { | |
7688 | if (!display) | |
9c92b5f7 | 7689 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7690 | else |
7691 | vty_out(vty, "%*s", 17, " "); | |
7692 | } | |
7693 | ||
7694 | /* Print attribute */ | |
9b6d8fcf | 7695 | attr = path->attr; |
05864da7 DS |
7696 | if (((p->family == AF_INET) |
7697 | && ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP))) | |
7698 | || (safi == SAFI_EVPN && !BGP_ATTR_NEXTHOP_AFI_IP6(attr)) | |
7699 | || (!BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
7700 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7701 | || safi == SAFI_EVPN) { | |
7702 | if (json) | |
7703 | json_object_string_add( | |
7704 | json_out, "mpNexthopGlobalIn", | |
7705 | inet_ntoa(attr->mp_nexthop_global_in)); | |
7706 | else | |
7707 | vty_out(vty, "%-16s", | |
7708 | inet_ntoa(attr->mp_nexthop_global_in)); | |
7709 | } else { | |
7710 | if (json) | |
7711 | json_object_string_add( | |
7712 | json_out, "nexthop", | |
7713 | inet_ntoa(attr->nexthop)); | |
7714 | else | |
7715 | vty_out(vty, "%-16s", inet_ntoa(attr->nexthop)); | |
7716 | } | |
7717 | } else if (((p->family == AF_INET6) | |
7718 | && ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP))) | |
7719 | || (safi == SAFI_EVPN && BGP_ATTR_NEXTHOP_AFI_IP6(attr)) | |
7720 | || (BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
7721 | char buf_a[512]; | |
7722 | ||
7723 | if (attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL) { | |
7724 | if (json) | |
7725 | json_object_string_add( | |
7726 | json_out, "mpNexthopGlobalIn", | |
7727 | inet_ntop(AF_INET6, | |
7728 | &attr->mp_nexthop_global, | |
7729 | buf_a, sizeof(buf_a))); | |
7730 | else | |
7731 | vty_out(vty, "%s", | |
7732 | inet_ntop(AF_INET6, | |
7733 | &attr->mp_nexthop_global, | |
7734 | buf_a, sizeof(buf_a))); | |
7735 | } else if (attr->mp_nexthop_len | |
7736 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) { | |
7737 | snprintfrr(buf_a, sizeof(buf_a), "%pI6(%pI6)", | |
7738 | &attr->mp_nexthop_global, | |
7739 | &attr->mp_nexthop_local); | |
7740 | if (json) | |
7741 | json_object_string_add(json_out, | |
7742 | "mpNexthopGlobalLocal", | |
7743 | buf_a); | |
7744 | else | |
7745 | vty_out(vty, "%s", buf_a); | |
d62a17ae | 7746 | } |
7747 | } | |
7748 | ||
9b6d8fcf | 7749 | label = decode_label(&path->extra->label[0]); |
d62a17ae | 7750 | |
7751 | if (bgp_is_valid_label(&label)) { | |
7752 | if (json) { | |
7753 | json_object_int_add(json_out, "notag", label); | |
7754 | json_object_array_add(json, json_out); | |
7755 | } else { | |
7756 | vty_out(vty, "notag/%d", label); | |
7757 | vty_out(vty, "\n"); | |
7758 | } | |
7759 | } | |
7760 | } | |
718e3744 | 7761 | |
d62a17ae | 7762 | void route_vty_out_overlay(struct vty *vty, struct prefix *p, |
9b6d8fcf | 7763 | struct bgp_path_info *path, int display, |
d62a17ae | 7764 | json_object *json_paths) |
718e3744 | 7765 | { |
d62a17ae | 7766 | struct attr *attr; |
14f51eba | 7767 | char buf[BUFSIZ] = {0}; |
d62a17ae | 7768 | json_object *json_path = NULL; |
14f51eba LK |
7769 | json_object *json_nexthop = NULL; |
7770 | json_object *json_overlay = NULL; | |
856ca177 | 7771 | |
9b6d8fcf | 7772 | if (!path->extra) |
d62a17ae | 7773 | return; |
718e3744 | 7774 | |
14f51eba LK |
7775 | if (json_paths) { |
7776 | json_path = json_object_new_object(); | |
7777 | json_overlay = json_object_new_object(); | |
7778 | json_nexthop = json_object_new_object(); | |
7779 | } | |
7780 | ||
d62a17ae | 7781 | /* short status lead text */ |
9b6d8fcf | 7782 | route_vty_short_status_out(vty, path, json_path); |
856ca177 | 7783 | |
d62a17ae | 7784 | /* print prefix and mask */ |
7785 | if (!display) | |
14f51eba | 7786 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 7787 | else |
7788 | vty_out(vty, "%*s", 17, " "); | |
7789 | ||
7790 | /* Print attribute */ | |
9b6d8fcf | 7791 | attr = path->attr; |
05864da7 DS |
7792 | char buf1[BUFSIZ]; |
7793 | int af = NEXTHOP_FAMILY(attr->mp_nexthop_len); | |
d62a17ae | 7794 | |
05864da7 DS |
7795 | switch (af) { |
7796 | case AF_INET: | |
7797 | inet_ntop(af, &attr->mp_nexthop_global_in, buf, BUFSIZ); | |
7798 | if (!json_path) { | |
7799 | vty_out(vty, "%-16s", buf); | |
7800 | } else { | |
7801 | json_object_string_add(json_nexthop, "ip", buf); | |
14f51eba | 7802 | |
05864da7 | 7803 | json_object_string_add(json_nexthop, "afi", "ipv4"); |
14f51eba | 7804 | |
05864da7 DS |
7805 | json_object_object_add(json_path, "nexthop", |
7806 | json_nexthop); | |
7807 | } | |
7808 | break; | |
7809 | case AF_INET6: | |
7810 | inet_ntop(af, &attr->mp_nexthop_global, buf, BUFSIZ); | |
7811 | inet_ntop(af, &attr->mp_nexthop_local, buf1, BUFSIZ); | |
7812 | if (!json_path) { | |
7813 | vty_out(vty, "%s(%s)", buf, buf1); | |
7814 | } else { | |
7815 | json_object_string_add(json_nexthop, "ipv6Global", buf); | |
14f51eba | 7816 | |
05864da7 DS |
7817 | json_object_string_add(json_nexthop, "ipv6LinkLocal", |
7818 | buf1); | |
14f51eba | 7819 | |
05864da7 | 7820 | json_object_string_add(json_nexthop, "afi", "ipv6"); |
14f51eba | 7821 | |
05864da7 DS |
7822 | json_object_object_add(json_path, "nexthop", |
7823 | json_nexthop); | |
7824 | } | |
7825 | break; | |
7826 | default: | |
7827 | if (!json_path) { | |
7828 | vty_out(vty, "?"); | |
7829 | } else { | |
7830 | json_object_string_add(json_nexthop, "Error", | |
7831 | "Unsupported address-family"); | |
d62a17ae | 7832 | } |
05864da7 | 7833 | } |
988258b4 | 7834 | |
05864da7 | 7835 | char *str = esi2str(&(attr->evpn_overlay.eth_s_id)); |
988258b4 | 7836 | |
05864da7 DS |
7837 | if (!json_path) |
7838 | vty_out(vty, "%s", str); | |
7839 | else | |
7840 | json_object_string_add(json_overlay, "esi", str); | |
25b5da8d | 7841 | |
05864da7 | 7842 | XFREE(MTYPE_TMP, str); |
988258b4 | 7843 | |
05864da7 DS |
7844 | if (is_evpn_prefix_ipaddr_v4((struct prefix_evpn *)p)) { |
7845 | inet_ntop(AF_INET, &(attr->evpn_overlay.gw_ip.ipv4), buf, | |
7846 | BUFSIZ); | |
7847 | } else if (is_evpn_prefix_ipaddr_v6((struct prefix_evpn *)p)) { | |
7848 | inet_ntop(AF_INET6, &(attr->evpn_overlay.gw_ip.ipv6), buf, | |
7849 | BUFSIZ); | |
7850 | } | |
14f51eba | 7851 | |
05864da7 DS |
7852 | if (!json_path) |
7853 | vty_out(vty, "/%s", buf); | |
7854 | else | |
7855 | json_object_string_add(json_overlay, "gw", buf); | |
7856 | ||
7857 | if (attr->ecommunity) { | |
7858 | char *mac = NULL; | |
7859 | struct ecommunity_val *routermac = ecommunity_lookup( | |
7860 | attr->ecommunity, ECOMMUNITY_ENCODE_EVPN, | |
7861 | ECOMMUNITY_EVPN_SUBTYPE_ROUTERMAC); | |
7862 | ||
7863 | if (routermac) | |
7864 | mac = ecom_mac2str((char *)routermac->val); | |
7865 | if (mac) { | |
7866 | if (!json_path) { | |
7867 | vty_out(vty, "/%s", (char *)mac); | |
7868 | } else { | |
7869 | json_object_string_add(json_overlay, "rmac", | |
7870 | mac); | |
988258b4 | 7871 | } |
05864da7 | 7872 | XFREE(MTYPE_TMP, mac); |
988258b4 | 7873 | } |
05864da7 | 7874 | } |
718e3744 | 7875 | |
05864da7 DS |
7876 | if (!json_path) { |
7877 | vty_out(vty, "\n"); | |
7878 | } else { | |
7879 | json_object_object_add(json_path, "overlay", json_overlay); | |
14f51eba | 7880 | |
05864da7 | 7881 | json_object_array_add(json_paths, json_path); |
14f51eba | 7882 | } |
d62a17ae | 7883 | } |
718e3744 | 7884 | |
d62a17ae | 7885 | /* dampening route */ |
7886 | static void damp_route_vty_out(struct vty *vty, struct prefix *p, | |
a935f597 | 7887 | struct bgp_path_info *path, int display, afi_t afi, |
4b7e6066 | 7888 | safi_t safi, bool use_json, json_object *json) |
d62a17ae | 7889 | { |
7890 | struct attr *attr; | |
7891 | int len; | |
7892 | char timebuf[BGP_UPTIME_LEN]; | |
7893 | ||
7894 | /* short status lead text */ | |
9b6d8fcf | 7895 | route_vty_short_status_out(vty, path, json); |
d62a17ae | 7896 | |
7897 | /* print prefix and mask */ | |
7898 | if (!use_json) { | |
7899 | if (!display) | |
9c92b5f7 | 7900 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7901 | else |
7902 | vty_out(vty, "%*s", 17, " "); | |
7903 | } | |
7904 | ||
9b6d8fcf | 7905 | len = vty_out(vty, "%s", path->peer->host); |
d62a17ae | 7906 | len = 17 - len; |
7907 | if (len < 1) { | |
7908 | if (!use_json) | |
7909 | vty_out(vty, "\n%*s", 34, " "); | |
7910 | } else { | |
7911 | if (use_json) | |
7912 | json_object_int_add(json, "peerHost", len); | |
7913 | else | |
7914 | vty_out(vty, "%*s", len, " "); | |
7915 | } | |
7916 | ||
7917 | if (use_json) | |
a935f597 DA |
7918 | bgp_damp_reuse_time_vty(vty, path, timebuf, BGP_UPTIME_LEN, afi, |
7919 | safi, use_json, json); | |
d62a17ae | 7920 | else |
9b6d8fcf DS |
7921 | vty_out(vty, "%s ", |
7922 | bgp_damp_reuse_time_vty(vty, path, timebuf, | |
a935f597 DA |
7923 | BGP_UPTIME_LEN, afi, safi, |
7924 | use_json, json)); | |
d62a17ae | 7925 | |
7926 | /* Print attribute */ | |
9b6d8fcf | 7927 | attr = path->attr; |
d62a17ae | 7928 | |
05864da7 DS |
7929 | /* Print aspath */ |
7930 | if (attr->aspath) { | |
d62a17ae | 7931 | if (use_json) |
05864da7 DS |
7932 | json_object_string_add(json, "asPath", |
7933 | attr->aspath->str); | |
d62a17ae | 7934 | else |
05864da7 | 7935 | aspath_print_vty(vty, "%s", attr->aspath, " "); |
d62a17ae | 7936 | } |
05864da7 DS |
7937 | |
7938 | /* Print origin */ | |
7939 | if (use_json) | |
7940 | json_object_string_add(json, "origin", | |
7941 | bgp_origin_str[attr->origin]); | |
7942 | else | |
7943 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
7944 | ||
d62a17ae | 7945 | if (!use_json) |
7946 | vty_out(vty, "\n"); | |
7947 | } | |
718e3744 | 7948 | |
d62a17ae | 7949 | /* flap route */ |
7950 | static void flap_route_vty_out(struct vty *vty, struct prefix *p, | |
a935f597 | 7951 | struct bgp_path_info *path, int display, afi_t afi, |
4b7e6066 | 7952 | safi_t safi, bool use_json, json_object *json) |
784d3a42 | 7953 | { |
d62a17ae | 7954 | struct attr *attr; |
7955 | struct bgp_damp_info *bdi; | |
7956 | char timebuf[BGP_UPTIME_LEN]; | |
7957 | int len; | |
784d3a42 | 7958 | |
9b6d8fcf | 7959 | if (!path->extra) |
d62a17ae | 7960 | return; |
784d3a42 | 7961 | |
9b6d8fcf | 7962 | bdi = path->extra->damp_info; |
784d3a42 | 7963 | |
d62a17ae | 7964 | /* short status lead text */ |
9b6d8fcf | 7965 | route_vty_short_status_out(vty, path, json); |
784d3a42 | 7966 | |
d62a17ae | 7967 | /* print prefix and mask */ |
7968 | if (!use_json) { | |
7969 | if (!display) | |
9c92b5f7 | 7970 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7971 | else |
7972 | vty_out(vty, "%*s", 17, " "); | |
7973 | } | |
784d3a42 | 7974 | |
9b6d8fcf | 7975 | len = vty_out(vty, "%s", path->peer->host); |
d62a17ae | 7976 | len = 16 - len; |
7977 | if (len < 1) { | |
7978 | if (!use_json) | |
7979 | vty_out(vty, "\n%*s", 33, " "); | |
7980 | } else { | |
7981 | if (use_json) | |
7982 | json_object_int_add(json, "peerHost", len); | |
7983 | else | |
7984 | vty_out(vty, "%*s", len, " "); | |
7985 | } | |
784d3a42 | 7986 | |
d62a17ae | 7987 | len = vty_out(vty, "%d", bdi->flap); |
7988 | len = 5 - len; | |
7989 | if (len < 1) { | |
7990 | if (!use_json) | |
7991 | vty_out(vty, " "); | |
7992 | } else { | |
7993 | if (use_json) | |
7994 | json_object_int_add(json, "bdiFlap", len); | |
7995 | else | |
7996 | vty_out(vty, "%*s", len, " "); | |
7997 | } | |
7998 | ||
7999 | if (use_json) | |
8000 | peer_uptime(bdi->start_time, timebuf, BGP_UPTIME_LEN, use_json, | |
8001 | json); | |
8002 | else | |
996c9314 LB |
8003 | vty_out(vty, "%s ", peer_uptime(bdi->start_time, timebuf, |
8004 | BGP_UPTIME_LEN, 0, NULL)); | |
d62a17ae | 8005 | |
9b6d8fcf DS |
8006 | if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED) |
8007 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { | |
d62a17ae | 8008 | if (use_json) |
9b6d8fcf | 8009 | bgp_damp_reuse_time_vty(vty, path, timebuf, |
a935f597 DA |
8010 | BGP_UPTIME_LEN, afi, safi, |
8011 | use_json, json); | |
d62a17ae | 8012 | else |
8013 | vty_out(vty, "%s ", | |
9b6d8fcf | 8014 | bgp_damp_reuse_time_vty(vty, path, timebuf, |
a935f597 DA |
8015 | BGP_UPTIME_LEN, afi, |
8016 | safi, use_json, json)); | |
d62a17ae | 8017 | } else { |
8018 | if (!use_json) | |
8019 | vty_out(vty, "%*s ", 8, " "); | |
8020 | } | |
8021 | ||
8022 | /* Print attribute */ | |
9b6d8fcf | 8023 | attr = path->attr; |
d62a17ae | 8024 | |
05864da7 DS |
8025 | /* Print aspath */ |
8026 | if (attr->aspath) { | |
d62a17ae | 8027 | if (use_json) |
05864da7 DS |
8028 | json_object_string_add(json, "asPath", |
8029 | attr->aspath->str); | |
d62a17ae | 8030 | else |
05864da7 | 8031 | aspath_print_vty(vty, "%s", attr->aspath, " "); |
d62a17ae | 8032 | } |
05864da7 DS |
8033 | |
8034 | /* Print origin */ | |
8035 | if (use_json) | |
8036 | json_object_string_add(json, "origin", | |
8037 | bgp_origin_str[attr->origin]); | |
8038 | else | |
8039 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
8040 | ||
d62a17ae | 8041 | if (!use_json) |
8042 | vty_out(vty, "\n"); | |
8043 | } | |
8044 | ||
8045 | static void route_vty_out_advertised_to(struct vty *vty, struct peer *peer, | |
8046 | int *first, const char *header, | |
8047 | json_object *json_adv_to) | |
8048 | { | |
8049 | char buf1[INET6_ADDRSTRLEN]; | |
8050 | json_object *json_peer = NULL; | |
8051 | ||
8052 | if (json_adv_to) { | |
8053 | /* 'advertised-to' is a dictionary of peers we have advertised | |
8054 | * this | |
8055 | * prefix too. The key is the peer's IP or swpX, the value is | |
8056 | * the | |
8057 | * hostname if we know it and "" if not. | |
8058 | */ | |
8059 | json_peer = json_object_new_object(); | |
8060 | ||
8061 | if (peer->hostname) | |
8062 | json_object_string_add(json_peer, "hostname", | |
8063 | peer->hostname); | |
8064 | ||
8065 | if (peer->conf_if) | |
8066 | json_object_object_add(json_adv_to, peer->conf_if, | |
8067 | json_peer); | |
8068 | else | |
8069 | json_object_object_add( | |
8070 | json_adv_to, | |
8071 | sockunion2str(&peer->su, buf1, SU_ADDRSTRLEN), | |
8072 | json_peer); | |
8073 | } else { | |
8074 | if (*first) { | |
8075 | vty_out(vty, "%s", header); | |
8076 | *first = 0; | |
8077 | } | |
8078 | ||
8079 | if (peer->hostname | |
8080 | && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME)) { | |
8081 | if (peer->conf_if) | |
8082 | vty_out(vty, " %s(%s)", peer->hostname, | |
8083 | peer->conf_if); | |
8084 | else | |
8085 | vty_out(vty, " %s(%s)", peer->hostname, | |
8086 | sockunion2str(&peer->su, buf1, | |
8087 | SU_ADDRSTRLEN)); | |
8088 | } else { | |
8089 | if (peer->conf_if) | |
8090 | vty_out(vty, " %s", peer->conf_if); | |
8091 | else | |
8092 | vty_out(vty, " %s", | |
8093 | sockunion2str(&peer->su, buf1, | |
8094 | SU_ADDRSTRLEN)); | |
8095 | } | |
8096 | } | |
784d3a42 PG |
8097 | } |
8098 | ||
dcc68b5e MS |
8099 | static void route_vty_out_tx_ids(struct vty *vty, |
8100 | struct bgp_addpath_info_data *d) | |
8101 | { | |
8102 | int i; | |
8103 | ||
8104 | for (i = 0; i < BGP_ADDPATH_MAX; i++) { | |
8105 | vty_out(vty, "TX-%s %u%s", bgp_addpath_names(i)->human_name, | |
8106 | d->addpath_tx_id[i], | |
8107 | i < BGP_ADDPATH_MAX - 1 ? " " : "\n"); | |
8108 | } | |
8109 | } | |
8110 | ||
0dc8ee70 DS |
8111 | static const char *bgp_path_selection_reason2str( |
8112 | enum bgp_path_selection_reason reason) | |
8113 | { | |
8114 | switch (reason) { | |
8115 | case bgp_path_selection_none: | |
8116 | return "Nothing to Select"; | |
8117 | break; | |
8118 | case bgp_path_selection_first: | |
8119 | return "First path received"; | |
8120 | break; | |
8121 | case bgp_path_selection_evpn_sticky_mac: | |
8122 | return "EVPN Sticky Mac"; | |
8123 | break; | |
8124 | case bgp_path_selection_evpn_seq: | |
8125 | return "EVPN sequence number"; | |
8126 | break; | |
8127 | case bgp_path_selection_evpn_lower_ip: | |
8128 | return "EVPN lower IP"; | |
8129 | break; | |
8130 | case bgp_path_selection_weight: | |
8131 | return "Weight"; | |
8132 | break; | |
8133 | case bgp_path_selection_local_pref: | |
8134 | return "Local Pref"; | |
8135 | break; | |
8136 | case bgp_path_selection_local_route: | |
8137 | return "Local Route"; | |
8138 | break; | |
8139 | case bgp_path_selection_confed_as_path: | |
8140 | return "Confederation based AS Path"; | |
8141 | break; | |
8142 | case bgp_path_selection_as_path: | |
8143 | return "AS Path"; | |
8144 | break; | |
8145 | case bgp_path_selection_origin: | |
8146 | return "Origin"; | |
8147 | break; | |
8148 | case bgp_path_selection_med: | |
8149 | return "MED"; | |
8150 | break; | |
8151 | case bgp_path_selection_peer: | |
8152 | return "Peer Type"; | |
8153 | break; | |
8154 | case bgp_path_selection_confed: | |
8155 | return "Confed Peer Type"; | |
8156 | break; | |
8157 | case bgp_path_selection_igp_metric: | |
8158 | return "IGP Metric"; | |
8159 | break; | |
8160 | case bgp_path_selection_older: | |
8161 | return "Older Path"; | |
8162 | break; | |
8163 | case bgp_path_selection_router_id: | |
8164 | return "Router ID"; | |
8165 | break; | |
8166 | case bgp_path_selection_cluster_length: | |
8167 | return "Cluser length"; | |
8168 | break; | |
8169 | case bgp_path_selection_stale: | |
8170 | return "Path Staleness"; | |
8171 | break; | |
8172 | case bgp_path_selection_local_configured: | |
8173 | return "Locally configured route"; | |
8174 | break; | |
8175 | case bgp_path_selection_neighbor_ip: | |
8176 | return "Neighbor IP"; | |
8177 | break; | |
8178 | case bgp_path_selection_default: | |
8179 | return "Nothing left to compare"; | |
8180 | break; | |
8181 | } | |
a74879b2 | 8182 | return "Invalid (internal error)"; |
0dc8ee70 DS |
8183 | } |
8184 | ||
f08b5ca0 DS |
8185 | void route_vty_out_detail(struct vty *vty, struct bgp *bgp, |
8186 | struct bgp_node *bn, struct bgp_path_info *path, | |
8187 | afi_t afi, safi_t safi, json_object *json_paths) | |
d62a17ae | 8188 | { |
8189 | char buf[INET6_ADDRSTRLEN]; | |
8190 | char buf1[BUFSIZ]; | |
d62a17ae | 8191 | char buf2[EVPN_ROUTE_STRLEN]; |
d62a17ae | 8192 | struct attr *attr; |
8193 | int sockunion_vty_out(struct vty *, union sockunion *); | |
8194 | time_t tbuf; | |
8195 | json_object *json_bestpath = NULL; | |
8196 | json_object *json_cluster_list = NULL; | |
8197 | json_object *json_cluster_list_list = NULL; | |
8198 | json_object *json_ext_community = NULL; | |
8199 | json_object *json_last_update = NULL; | |
7fd077aa | 8200 | json_object *json_pmsi = NULL; |
d62a17ae | 8201 | json_object *json_nexthop_global = NULL; |
8202 | json_object *json_nexthop_ll = NULL; | |
8203 | json_object *json_nexthops = NULL; | |
8204 | json_object *json_path = NULL; | |
8205 | json_object *json_peer = NULL; | |
8206 | json_object *json_string = NULL; | |
8207 | json_object *json_adv_to = NULL; | |
8208 | int first = 0; | |
8209 | struct listnode *node, *nnode; | |
8210 | struct peer *peer; | |
8211 | int addpath_capable; | |
8212 | int has_adj; | |
8213 | unsigned int first_as; | |
1defdda8 | 8214 | bool nexthop_self = |
9b6d8fcf | 8215 | CHECK_FLAG(path->flags, BGP_PATH_ANNC_NH_SELF) ? true : false; |
dcc68b5e | 8216 | int i; |
25b5da8d | 8217 | char *nexthop_fqdn = bgp_nexthop_fqdn(path->peer); |
d62a17ae | 8218 | |
8219 | if (json_paths) { | |
8220 | json_path = json_object_new_object(); | |
8221 | json_peer = json_object_new_object(); | |
8222 | json_nexthop_global = json_object_new_object(); | |
8223 | } | |
8224 | ||
44c69747 | 8225 | if (path->extra) { |
b57ba6d2 | 8226 | char tag_buf[30]; |
d62a17ae | 8227 | |
d7325ee7 | 8228 | buf2[0] = '\0'; |
d62a17ae | 8229 | tag_buf[0] = '\0'; |
9b6d8fcf DS |
8230 | if (path->extra && path->extra->num_labels) { |
8231 | bgp_evpn_label2str(path->extra->label, | |
8232 | path->extra->num_labels, tag_buf, | |
a4d82a8a | 8233 | sizeof(tag_buf)); |
d62a17ae | 8234 | } |
d7325ee7 | 8235 | if (safi == SAFI_EVPN) { |
44c69747 LK |
8236 | if (!json_paths) { |
8237 | bgp_evpn_route2str((struct prefix_evpn *)&bn->p, | |
8238 | buf2, sizeof(buf2)); | |
8239 | vty_out(vty, " Route %s", buf2); | |
8240 | if (tag_buf[0] != '\0') | |
8241 | vty_out(vty, " VNI %s", tag_buf); | |
8242 | vty_out(vty, "\n"); | |
8243 | } else { | |
8244 | if (tag_buf[0]) | |
8245 | json_object_string_add(json_path, "VNI", | |
8246 | tag_buf); | |
8247 | } | |
d7325ee7 DD |
8248 | } |
8249 | ||
44c69747 | 8250 | if (path->extra && path->extra->parent && !json_paths) { |
4b7e6066 | 8251 | struct bgp_path_info *parent_ri; |
d62a17ae | 8252 | struct bgp_node *rn, *prn; |
8253 | ||
9b6d8fcf | 8254 | parent_ri = (struct bgp_path_info *)path->extra->parent; |
d62a17ae | 8255 | rn = parent_ri->net; |
8256 | if (rn && rn->prn) { | |
8257 | prn = rn->prn; | |
d7325ee7 DD |
8258 | prefix_rd2str((struct prefix_rd *)&prn->p, |
8259 | buf1, sizeof(buf1)); | |
8260 | if (is_pi_family_evpn(parent_ri)) { | |
8261 | bgp_evpn_route2str((struct prefix_evpn *)&rn->p, | |
8262 | buf2, sizeof(buf2)); | |
8263 | vty_out(vty, " Imported from %s:%s, VNI %s\n", buf1, buf2, tag_buf); | |
8264 | } else | |
8265 | vty_out(vty, " Imported from %s:%s\n", buf1, buf2); | |
d62a17ae | 8266 | } |
8267 | } | |
8268 | } | |
d62a17ae | 8269 | |
9b6d8fcf | 8270 | attr = path->attr; |
d62a17ae | 8271 | |
05864da7 DS |
8272 | /* Line1 display AS-path, Aggregator */ |
8273 | if (attr->aspath) { | |
8274 | if (json_paths) { | |
8275 | if (!attr->aspath->json) | |
8276 | aspath_str_update(attr->aspath, true); | |
8277 | json_object_lock(attr->aspath->json); | |
8278 | json_object_object_add(json_path, "aspath", | |
8279 | attr->aspath->json); | |
8280 | } else { | |
8281 | if (attr->aspath->segments) | |
8282 | aspath_print_vty(vty, " %s", attr->aspath, ""); | |
d62a17ae | 8283 | else |
05864da7 | 8284 | vty_out(vty, " Local"); |
d62a17ae | 8285 | } |
05864da7 | 8286 | } |
d62a17ae | 8287 | |
05864da7 DS |
8288 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) { |
8289 | if (json_paths) | |
8290 | json_object_boolean_true_add(json_path, "removed"); | |
8291 | else | |
8292 | vty_out(vty, ", (removed)"); | |
8293 | } | |
d62a17ae | 8294 | |
05864da7 DS |
8295 | if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) { |
8296 | if (json_paths) | |
8297 | json_object_boolean_true_add(json_path, "stale"); | |
8298 | else | |
8299 | vty_out(vty, ", (stale)"); | |
8300 | } | |
d62a17ae | 8301 | |
05864da7 DS |
8302 | if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_AGGREGATOR))) { |
8303 | if (json_paths) { | |
8304 | json_object_int_add(json_path, "aggregatorAs", | |
8305 | attr->aggregator_as); | |
8306 | json_object_string_add( | |
8307 | json_path, "aggregatorId", | |
8308 | inet_ntoa(attr->aggregator_addr)); | |
8309 | } else { | |
8310 | vty_out(vty, ", (aggregated by %u %s)", | |
8311 | attr->aggregator_as, | |
8312 | inet_ntoa(attr->aggregator_addr)); | |
d62a17ae | 8313 | } |
05864da7 | 8314 | } |
d62a17ae | 8315 | |
05864da7 DS |
8316 | if (CHECK_FLAG(path->peer->af_flags[afi][safi], |
8317 | PEER_FLAG_REFLECTOR_CLIENT)) { | |
8318 | if (json_paths) | |
8319 | json_object_boolean_true_add(json_path, | |
8320 | "rxedFromRrClient"); | |
8321 | else | |
8322 | vty_out(vty, ", (Received from a RR-client)"); | |
8323 | } | |
d62a17ae | 8324 | |
05864da7 DS |
8325 | if (CHECK_FLAG(path->peer->af_flags[afi][safi], |
8326 | PEER_FLAG_RSERVER_CLIENT)) { | |
8327 | if (json_paths) | |
8328 | json_object_boolean_true_add(json_path, | |
8329 | "rxedFromRsClient"); | |
8330 | else | |
8331 | vty_out(vty, ", (Received from a RS-client)"); | |
8332 | } | |
d62a17ae | 8333 | |
05864da7 DS |
8334 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { |
8335 | if (json_paths) | |
8336 | json_object_boolean_true_add(json_path, | |
8337 | "dampeningHistoryEntry"); | |
8338 | else | |
8339 | vty_out(vty, ", (history entry)"); | |
8340 | } else if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) { | |
8341 | if (json_paths) | |
8342 | json_object_boolean_true_add(json_path, | |
8343 | "dampeningSuppressed"); | |
8344 | else | |
8345 | vty_out(vty, ", (suppressed due to dampening)"); | |
8346 | } | |
d62a17ae | 8347 | |
05864da7 DS |
8348 | if (!json_paths) |
8349 | vty_out(vty, "\n"); | |
d62a17ae | 8350 | |
05864da7 DS |
8351 | /* Line2 display Next-hop, Neighbor, Router-id */ |
8352 | /* Display the nexthop */ | |
8353 | if ((bn->p.family == AF_INET || bn->p.family == AF_ETHERNET | |
8354 | || bn->p.family == AF_EVPN) | |
8355 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP || safi == SAFI_EVPN | |
8356 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
8357 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
8358 | || safi == SAFI_EVPN) { | |
d62a17ae | 8359 | if (json_paths) |
d62a17ae | 8360 | json_object_string_add( |
25b5da8d DA |
8361 | json_nexthop_global, |
8362 | nexthop_fqdn ? "fqdn" : "ip", | |
8363 | nexthop_fqdn | |
8364 | ? nexthop_fqdn | |
05864da7 DS |
8365 | : inet_ntoa( |
8366 | attr->mp_nexthop_global_in)); | |
8367 | else | |
d62a17ae | 8368 | vty_out(vty, " %s", |
25b5da8d DA |
8369 | nexthop_fqdn |
8370 | ? nexthop_fqdn | |
05864da7 DS |
8371 | : inet_ntoa( |
8372 | attr->mp_nexthop_global_in)); | |
d62a17ae | 8373 | } else { |
d62a17ae | 8374 | if (json_paths) |
05864da7 DS |
8375 | json_object_string_add( |
8376 | json_nexthop_global, | |
8377 | nexthop_fqdn ? "fqdn" : "ip", | |
8378 | nexthop_fqdn | |
8379 | ? nexthop_fqdn | |
8380 | : inet_ntoa(attr->nexthop)); | |
d62a17ae | 8381 | else |
05864da7 DS |
8382 | vty_out(vty, " %s", |
8383 | nexthop_fqdn | |
8384 | ? nexthop_fqdn | |
8385 | : inet_ntoa(attr->nexthop)); | |
d62a17ae | 8386 | } |
8387 | ||
05864da7 DS |
8388 | if (json_paths) |
8389 | json_object_string_add(json_nexthop_global, "afi", | |
8390 | "ipv4"); | |
8391 | } else { | |
8392 | if (json_paths) { | |
8393 | json_object_string_add( | |
8394 | json_nexthop_global, | |
8395 | nexthop_fqdn ? "fqdn" : "ip", | |
8396 | nexthop_fqdn | |
8397 | ? nexthop_fqdn | |
8398 | : inet_ntop(AF_INET6, | |
8399 | &attr->mp_nexthop_global, | |
8400 | buf, INET6_ADDRSTRLEN)); | |
8401 | json_object_string_add(json_nexthop_global, "afi", | |
8402 | "ipv6"); | |
8403 | json_object_string_add(json_nexthop_global, "scope", | |
8404 | "global"); | |
8405 | } else { | |
8406 | vty_out(vty, " %s", | |
8407 | nexthop_fqdn | |
8408 | ? nexthop_fqdn | |
8409 | : inet_ntop(AF_INET6, | |
8410 | &attr->mp_nexthop_global, | |
8411 | buf, INET6_ADDRSTRLEN)); | |
d62a17ae | 8412 | } |
05864da7 | 8413 | } |
d62a17ae | 8414 | |
05864da7 DS |
8415 | /* Display the IGP cost or 'inaccessible' */ |
8416 | if (!CHECK_FLAG(path->flags, BGP_PATH_VALID)) { | |
8417 | if (json_paths) | |
8418 | json_object_boolean_false_add(json_nexthop_global, | |
8419 | "accessible"); | |
8420 | else | |
8421 | vty_out(vty, " (inaccessible)"); | |
8422 | } else { | |
8423 | if (path->extra && path->extra->igpmetric) { | |
d62a17ae | 8424 | if (json_paths) |
05864da7 DS |
8425 | json_object_int_add(json_nexthop_global, |
8426 | "metric", | |
8427 | path->extra->igpmetric); | |
d62a17ae | 8428 | else |
05864da7 DS |
8429 | vty_out(vty, " (metric %u)", |
8430 | path->extra->igpmetric); | |
d62a17ae | 8431 | } |
8432 | ||
05864da7 | 8433 | /* IGP cost is 0, display this only for json */ |
d62a17ae | 8434 | else { |
d62a17ae | 8435 | if (json_paths) |
05864da7 DS |
8436 | json_object_int_add(json_nexthop_global, |
8437 | "metric", 0); | |
d62a17ae | 8438 | } |
d62a17ae | 8439 | |
05864da7 DS |
8440 | if (json_paths) |
8441 | json_object_boolean_true_add(json_nexthop_global, | |
8442 | "accessible"); | |
8443 | } | |
d62a17ae | 8444 | |
05864da7 DS |
8445 | /* Display peer "from" output */ |
8446 | /* This path was originated locally */ | |
8447 | if (path->peer == bgp->peer_self) { | |
d62a17ae | 8448 | |
05864da7 DS |
8449 | if (safi == SAFI_EVPN |
8450 | || (bn->p.family == AF_INET | |
8451 | && !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
d62a17ae | 8452 | if (json_paths) |
05864da7 DS |
8453 | json_object_string_add(json_peer, "peerId", |
8454 | "0.0.0.0"); | |
d62a17ae | 8455 | else |
05864da7 DS |
8456 | vty_out(vty, " from 0.0.0.0 "); |
8457 | } else { | |
d62a17ae | 8458 | if (json_paths) |
05864da7 DS |
8459 | json_object_string_add(json_peer, "peerId", |
8460 | "::"); | |
d62a17ae | 8461 | else |
05864da7 | 8462 | vty_out(vty, " from :: "); |
d62a17ae | 8463 | } |
d62a17ae | 8464 | |
05864da7 DS |
8465 | if (json_paths) |
8466 | json_object_string_add(json_peer, "routerId", | |
8467 | inet_ntoa(bgp->router_id)); | |
8468 | else | |
8469 | vty_out(vty, "(%s)", inet_ntoa(bgp->router_id)); | |
8470 | } | |
d62a17ae | 8471 | |
05864da7 DS |
8472 | /* We RXed this path from one of our peers */ |
8473 | else { | |
8474 | ||
8475 | if (json_paths) { | |
8476 | json_object_string_add(json_peer, "peerId", | |
8477 | sockunion2str(&path->peer->su, | |
8478 | buf, | |
8479 | SU_ADDRSTRLEN)); | |
8480 | json_object_string_add(json_peer, "routerId", | |
8481 | inet_ntop(AF_INET, | |
8482 | &path->peer->remote_id, | |
8483 | buf1, sizeof(buf1))); | |
8484 | ||
8485 | if (path->peer->hostname) | |
8486 | json_object_string_add(json_peer, "hostname", | |
8487 | path->peer->hostname); | |
8488 | ||
8489 | if (path->peer->domainname) | |
8490 | json_object_string_add(json_peer, "domainname", | |
8491 | path->peer->domainname); | |
8492 | ||
8493 | if (path->peer->conf_if) | |
8494 | json_object_string_add(json_peer, "interface", | |
8495 | path->peer->conf_if); | |
8496 | } else { | |
8497 | if (path->peer->conf_if) { | |
8498 | if (path->peer->hostname | |
8499 | && bgp_flag_check(path->peer->bgp, | |
8500 | BGP_FLAG_SHOW_HOSTNAME)) | |
8501 | vty_out(vty, " from %s(%s)", | |
8502 | path->peer->hostname, | |
8503 | path->peer->conf_if); | |
d62a17ae | 8504 | else |
05864da7 | 8505 | vty_out(vty, " from %s", |
9b6d8fcf | 8506 | path->peer->conf_if); |
d62a17ae | 8507 | } else { |
05864da7 DS |
8508 | if (path->peer->hostname |
8509 | && bgp_flag_check(path->peer->bgp, | |
8510 | BGP_FLAG_SHOW_HOSTNAME)) | |
8511 | vty_out(vty, " from %s(%s)", | |
8512 | path->peer->hostname, | |
8513 | path->peer->host); | |
d62a17ae | 8514 | else |
05864da7 DS |
8515 | vty_out(vty, " from %s", |
8516 | sockunion2str(&path->peer->su, | |
8517 | buf, | |
8518 | SU_ADDRSTRLEN)); | |
d62a17ae | 8519 | } |
d62a17ae | 8520 | |
05864da7 DS |
8521 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) |
8522 | vty_out(vty, " (%s)", | |
8523 | inet_ntoa(attr->originator_id)); | |
8524 | else | |
8525 | vty_out(vty, " (%s)", | |
8526 | inet_ntop(AF_INET, | |
8527 | &path->peer->remote_id, buf1, | |
8528 | sizeof(buf1))); | |
d62a17ae | 8529 | } |
05864da7 | 8530 | } |
9df8b37c | 8531 | |
05864da7 DS |
8532 | /* |
8533 | * Note when vrfid of nexthop is different from that of prefix | |
8534 | */ | |
8535 | if (path->extra && path->extra->bgp_orig) { | |
8536 | vrf_id_t nexthop_vrfid = path->extra->bgp_orig->vrf_id; | |
9df8b37c | 8537 | |
05864da7 DS |
8538 | if (json_paths) { |
8539 | const char *vn; | |
9df8b37c | 8540 | |
05864da7 DS |
8541 | if (path->extra->bgp_orig->inst_type |
8542 | == BGP_INSTANCE_TYPE_DEFAULT) | |
8543 | vn = VRF_DEFAULT_NAME; | |
8544 | else | |
8545 | vn = path->extra->bgp_orig->name; | |
9df8b37c | 8546 | |
05864da7 | 8547 | json_object_string_add(json_path, "nhVrfName", vn); |
9df8b37c | 8548 | |
05864da7 DS |
8549 | if (nexthop_vrfid == VRF_UNKNOWN) { |
8550 | json_object_int_add(json_path, "nhVrfId", -1); | |
9df8b37c | 8551 | } else { |
05864da7 DS |
8552 | json_object_int_add(json_path, "nhVrfId", |
8553 | (int)nexthop_vrfid); | |
9df8b37c | 8554 | } |
05864da7 DS |
8555 | } else { |
8556 | if (nexthop_vrfid == VRF_UNKNOWN) | |
8557 | vty_out(vty, " vrf ?"); | |
d62a17ae | 8558 | else |
05864da7 | 8559 | vty_out(vty, " vrf %u", nexthop_vrfid); |
9df8b37c | 8560 | } |
05864da7 | 8561 | } |
9df8b37c | 8562 | |
05864da7 DS |
8563 | if (nexthop_self) { |
8564 | if (json_paths) { | |
8565 | json_object_boolean_true_add(json_path, | |
8566 | "announceNexthopSelf"); | |
8567 | } else { | |
8568 | vty_out(vty, " announce-nh-self"); | |
9df8b37c | 8569 | } |
05864da7 | 8570 | } |
9df8b37c | 8571 | |
05864da7 DS |
8572 | if (!json_paths) |
8573 | vty_out(vty, "\n"); | |
d62a17ae | 8574 | |
05864da7 DS |
8575 | /* display the link-local nexthop */ |
8576 | if (attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) { | |
8577 | if (json_paths) { | |
8578 | json_nexthop_ll = json_object_new_object(); | |
8579 | json_object_string_add( | |
8580 | json_nexthop_ll, nexthop_fqdn ? "fqdn" : "ip", | |
8581 | nexthop_fqdn | |
8582 | ? nexthop_fqdn | |
8583 | : inet_ntop(AF_INET6, | |
8584 | &attr->mp_nexthop_local, | |
8585 | buf, INET6_ADDRSTRLEN)); | |
8586 | json_object_string_add(json_nexthop_ll, "afi", "ipv6"); | |
8587 | json_object_string_add(json_nexthop_ll, "scope", | |
8588 | "link-local"); | |
d62a17ae | 8589 | |
05864da7 DS |
8590 | json_object_boolean_true_add(json_nexthop_ll, |
8591 | "accessible"); | |
d62a17ae | 8592 | |
05864da7 | 8593 | if (!attr->mp_nexthop_prefer_global) |
d62a17ae | 8594 | json_object_boolean_true_add(json_nexthop_ll, |
05864da7 DS |
8595 | "used"); |
8596 | else | |
8597 | json_object_boolean_true_add( | |
8598 | json_nexthop_global, "used"); | |
8599 | } else { | |
8600 | vty_out(vty, " (%s) %s\n", | |
8601 | inet_ntop(AF_INET6, &attr->mp_nexthop_local, | |
8602 | buf, INET6_ADDRSTRLEN), | |
8603 | attr->mp_nexthop_prefer_global | |
8604 | ? "(prefer-global)" | |
8605 | : "(used)"); | |
d62a17ae | 8606 | } |
05864da7 DS |
8607 | } |
8608 | /* If we do not have a link-local nexthop then we must flag the | |
8609 | global as "used" */ | |
8610 | else { | |
8611 | if (json_paths) | |
8612 | json_object_boolean_true_add(json_nexthop_global, | |
8613 | "used"); | |
8614 | } | |
d62a17ae | 8615 | |
05864da7 DS |
8616 | /* Line 3 display Origin, Med, Locpref, Weight, Tag, valid, |
8617 | * Int/Ext/Local, Atomic, best */ | |
8618 | if (json_paths) | |
8619 | json_object_string_add(json_path, "origin", | |
8620 | bgp_origin_long_str[attr->origin]); | |
8621 | else | |
8622 | vty_out(vty, " Origin %s", | |
8623 | bgp_origin_long_str[attr->origin]); | |
9df8b37c | 8624 | |
05864da7 DS |
8625 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) { |
8626 | if (json_paths) { | |
8627 | /* | |
8628 | * Adding "metric" field to match with | |
8629 | * corresponding CLI. "med" will be | |
8630 | * deprecated in future. | |
8631 | */ | |
8632 | json_object_int_add(json_path, "med", attr->med); | |
8633 | json_object_int_add(json_path, "metric", attr->med); | |
8634 | } else | |
8635 | vty_out(vty, ", metric %u", attr->med); | |
8636 | } | |
9df8b37c | 8637 | |
05864da7 DS |
8638 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) { |
8639 | if (json_paths) | |
8640 | json_object_int_add(json_path, "localpref", | |
8641 | attr->local_pref); | |
8642 | else | |
8643 | vty_out(vty, ", localpref %u", attr->local_pref); | |
8644 | } | |
9df8b37c | 8645 | |
05864da7 DS |
8646 | if (attr->weight != 0) { |
8647 | if (json_paths) | |
8648 | json_object_int_add(json_path, "weight", attr->weight); | |
8649 | else | |
8650 | vty_out(vty, ", weight %u", attr->weight); | |
8651 | } | |
9df8b37c | 8652 | |
05864da7 DS |
8653 | if (attr->tag != 0) { |
8654 | if (json_paths) | |
8655 | json_object_int_add(json_path, "tag", attr->tag); | |
8656 | else | |
8657 | vty_out(vty, ", tag %" ROUTE_TAG_PRI, attr->tag); | |
8658 | } | |
9df8b37c | 8659 | |
05864da7 DS |
8660 | if (!CHECK_FLAG(path->flags, BGP_PATH_VALID)) { |
8661 | if (json_paths) | |
8662 | json_object_boolean_false_add(json_path, "valid"); | |
8663 | else | |
8664 | vty_out(vty, ", invalid"); | |
8665 | } else if (!CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { | |
8666 | if (json_paths) | |
8667 | json_object_boolean_true_add(json_path, "valid"); | |
8668 | else | |
8669 | vty_out(vty, ", valid"); | |
8670 | } | |
9df8b37c | 8671 | |
05864da7 DS |
8672 | if (path->peer != bgp->peer_self) { |
8673 | if (path->peer->as == path->peer->local_as) { | |
8674 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) { | |
8675 | if (json_paths) | |
8676 | json_object_string_add( | |
8677 | json_peer, "type", | |
8678 | "confed-internal"); | |
d62a17ae | 8679 | else |
05864da7 | 8680 | vty_out(vty, ", confed-internal"); |
d62a17ae | 8681 | } else { |
05864da7 DS |
8682 | if (json_paths) |
8683 | json_object_string_add( | |
8684 | json_peer, "type", "internal"); | |
8685 | else | |
8686 | vty_out(vty, ", internal"); | |
9df8b37c | 8687 | } |
05864da7 DS |
8688 | } else { |
8689 | if (bgp_confederation_peers_check(bgp, | |
8690 | path->peer->as)) { | |
8691 | if (json_paths) | |
8692 | json_object_string_add( | |
8693 | json_peer, "type", | |
8694 | "confed-external"); | |
d62a17ae | 8695 | else |
05864da7 | 8696 | vty_out(vty, ", confed-external"); |
d62a17ae | 8697 | } else { |
05864da7 DS |
8698 | if (json_paths) |
8699 | json_object_string_add( | |
8700 | json_peer, "type", "external"); | |
8701 | else | |
8702 | vty_out(vty, ", external"); | |
d62a17ae | 8703 | } |
8704 | } | |
05864da7 DS |
8705 | } else if (path->sub_type == BGP_ROUTE_AGGREGATE) { |
8706 | if (json_paths) { | |
8707 | json_object_boolean_true_add(json_path, "aggregated"); | |
8708 | json_object_boolean_true_add(json_path, "local"); | |
8709 | } else { | |
8710 | vty_out(vty, ", aggregated, local"); | |
8711 | } | |
8712 | } else if (path->type != ZEBRA_ROUTE_BGP) { | |
8713 | if (json_paths) | |
8714 | json_object_boolean_true_add(json_path, "sourced"); | |
8715 | else | |
8716 | vty_out(vty, ", sourced"); | |
8717 | } else { | |
8718 | if (json_paths) { | |
8719 | json_object_boolean_true_add(json_path, "sourced"); | |
8720 | json_object_boolean_true_add(json_path, "local"); | |
8721 | } else { | |
8722 | vty_out(vty, ", sourced, local"); | |
d62a17ae | 8723 | } |
05864da7 | 8724 | } |
718e3744 | 8725 | |
05864da7 | 8726 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE)) { |
d62a17ae | 8727 | if (json_paths) |
05864da7 DS |
8728 | json_object_boolean_true_add(json_path, |
8729 | "atomicAggregate"); | |
d62a17ae | 8730 | else |
05864da7 DS |
8731 | vty_out(vty, ", atomic-aggregate"); |
8732 | } | |
d62a17ae | 8733 | |
05864da7 DS |
8734 | if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH) |
8735 | || (CHECK_FLAG(path->flags, BGP_PATH_SELECTED) | |
8736 | && bgp_path_info_mpath_count(path))) { | |
8737 | if (json_paths) | |
8738 | json_object_boolean_true_add(json_path, "multipath"); | |
8739 | else | |
8740 | vty_out(vty, ", multipath"); | |
8741 | } | |
50e05855 | 8742 | |
05864da7 DS |
8743 | // Mark the bestpath(s) |
8744 | if (CHECK_FLAG(path->flags, BGP_PATH_DMED_SELECTED)) { | |
8745 | first_as = aspath_get_first_as(attr->aspath); | |
718e3744 | 8746 | |
05864da7 DS |
8747 | if (json_paths) { |
8748 | if (!json_bestpath) | |
8749 | json_bestpath = json_object_new_object(); | |
8750 | json_object_int_add(json_bestpath, "bestpathFromAs", | |
8751 | first_as); | |
8752 | } else { | |
8753 | if (first_as) | |
8754 | vty_out(vty, ", bestpath-from-AS %u", first_as); | |
d62a17ae | 8755 | else |
05864da7 | 8756 | vty_out(vty, ", bestpath-from-AS Local"); |
d62a17ae | 8757 | } |
05864da7 | 8758 | } |
718e3744 | 8759 | |
05864da7 DS |
8760 | if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) { |
8761 | if (json_paths) { | |
8762 | if (!json_bestpath) | |
8763 | json_bestpath = json_object_new_object(); | |
8764 | json_object_boolean_true_add(json_bestpath, "overall"); | |
8765 | json_object_string_add( | |
8766 | json_bestpath, "selectionReason", | |
8767 | bgp_path_selection_reason2str(bn->reason)); | |
8768 | } else { | |
8769 | vty_out(vty, ", best"); | |
8770 | vty_out(vty, " (%s)", | |
8771 | bgp_path_selection_reason2str(bn->reason)); | |
d62a17ae | 8772 | } |
05864da7 | 8773 | } |
718e3744 | 8774 | |
05864da7 DS |
8775 | if (json_bestpath) |
8776 | json_object_object_add(json_path, "bestpath", json_bestpath); | |
718e3744 | 8777 | |
05864da7 DS |
8778 | if (!json_paths) |
8779 | vty_out(vty, "\n"); | |
8780 | ||
8781 | /* Line 4 display Community */ | |
8782 | if (attr->community) { | |
8783 | if (json_paths) { | |
8784 | if (!attr->community->json) | |
8785 | community_str(attr->community, true); | |
8786 | json_object_lock(attr->community->json); | |
8787 | json_object_object_add(json_path, "community", | |
8788 | attr->community->json); | |
8789 | } else { | |
8790 | vty_out(vty, " Community: %s\n", | |
8791 | attr->community->str); | |
d62a17ae | 8792 | } |
05864da7 | 8793 | } |
718e3744 | 8794 | |
05864da7 DS |
8795 | /* Line 5 display Extended-community */ |
8796 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
8797 | if (json_paths) { | |
8798 | json_ext_community = json_object_new_object(); | |
8799 | json_object_string_add(json_ext_community, "string", | |
8800 | attr->ecommunity->str); | |
8801 | json_object_object_add(json_path, "extendedCommunity", | |
8802 | json_ext_community); | |
d62a17ae | 8803 | } else { |
05864da7 DS |
8804 | vty_out(vty, " Extended Community: %s\n", |
8805 | attr->ecommunity->str); | |
d62a17ae | 8806 | } |
05864da7 | 8807 | } |
718e3744 | 8808 | |
05864da7 DS |
8809 | /* Line 6 display Large community */ |
8810 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LARGE_COMMUNITIES)) { | |
8811 | if (json_paths) { | |
8812 | if (!attr->lcommunity->json) | |
8813 | lcommunity_str(attr->lcommunity, true); | |
8814 | json_object_lock(attr->lcommunity->json); | |
8815 | json_object_object_add(json_path, "largeCommunity", | |
8816 | attr->lcommunity->json); | |
8817 | } else { | |
8818 | vty_out(vty, " Large Community: %s\n", | |
8819 | attr->lcommunity->str); | |
d62a17ae | 8820 | } |
05864da7 | 8821 | } |
718e3744 | 8822 | |
05864da7 DS |
8823 | /* Line 7 display Originator, Cluster-id */ |
8824 | if ((attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) | |
8825 | || (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST))) { | |
8826 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) { | |
d62a17ae | 8827 | if (json_paths) |
05864da7 DS |
8828 | json_object_string_add( |
8829 | json_path, "originatorId", | |
8830 | inet_ntoa(attr->originator_id)); | |
d62a17ae | 8831 | else |
05864da7 DS |
8832 | vty_out(vty, " Originator: %s", |
8833 | inet_ntoa(attr->originator_id)); | |
d62a17ae | 8834 | } |
856ca177 | 8835 | |
05864da7 DS |
8836 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST)) { |
8837 | int i; | |
d62a17ae | 8838 | |
8839 | if (json_paths) { | |
05864da7 DS |
8840 | json_cluster_list = json_object_new_object(); |
8841 | json_cluster_list_list = | |
8842 | json_object_new_array(); | |
8843 | ||
8844 | for (i = 0; i < attr->cluster->length / 4; | |
8845 | i++) { | |
8846 | json_string = json_object_new_string( | |
8847 | inet_ntoa(attr->cluster | |
8848 | ->list[i])); | |
8849 | json_object_array_add( | |
8850 | json_cluster_list_list, | |
8851 | json_string); | |
8852 | } | |
718e3744 | 8853 | |
05864da7 DS |
8854 | /* |
8855 | * struct cluster_list does not have | |
8856 | * "str" variable like aspath and community | |
8857 | * do. Add this someday if someone asks | |
8858 | * for it. | |
8859 | * json_object_string_add(json_cluster_list, | |
8860 | * "string", attr->cluster->str); | |
8861 | */ | |
8862 | json_object_object_add(json_cluster_list, | |
8863 | "list", | |
8864 | json_cluster_list_list); | |
8865 | json_object_object_add(json_path, "clusterList", | |
8866 | json_cluster_list); | |
0dc8ee70 | 8867 | } else { |
05864da7 DS |
8868 | vty_out(vty, ", Cluster list: "); |
8869 | ||
8870 | for (i = 0; i < attr->cluster->length / 4; | |
8871 | i++) { | |
8872 | vty_out(vty, "%s ", | |
8873 | inet_ntoa(attr->cluster | |
8874 | ->list[i])); | |
8875 | } | |
0dc8ee70 | 8876 | } |
d62a17ae | 8877 | } |
718e3744 | 8878 | |
d62a17ae | 8879 | if (!json_paths) |
8880 | vty_out(vty, "\n"); | |
05864da7 | 8881 | } |
d62a17ae | 8882 | |
05864da7 | 8883 | if (path->extra && path->extra->damp_info) |
a935f597 | 8884 | bgp_damp_info_vty(vty, path, afi, safi, json_path); |
adbac85e | 8885 | |
05864da7 DS |
8886 | /* Remote Label */ |
8887 | if (path->extra && bgp_is_valid_label(&path->extra->label[0]) | |
8888 | && (safi != SAFI_EVPN && !is_route_parent_evpn(path))) { | |
8889 | mpls_label_t label = label_pton(&path->extra->label[0]); | |
d62a17ae | 8890 | |
05864da7 DS |
8891 | if (json_paths) |
8892 | json_object_int_add(json_path, "remoteLabel", label); | |
8893 | else | |
8894 | vty_out(vty, " Remote label: %d\n", label); | |
8895 | } | |
d62a17ae | 8896 | |
05864da7 DS |
8897 | /* Label Index */ |
8898 | if (attr->label_index != BGP_INVALID_LABEL_INDEX) { | |
8899 | if (json_paths) | |
8900 | json_object_int_add(json_path, "labelIndex", | |
8901 | attr->label_index); | |
8902 | else | |
8903 | vty_out(vty, " Label Index: %d\n", | |
8904 | attr->label_index); | |
8905 | } | |
d62a17ae | 8906 | |
05864da7 DS |
8907 | /* Line 8 display Addpath IDs */ |
8908 | if (path->addpath_rx_id | |
8909 | || bgp_addpath_info_has_ids(&path->tx_addpath)) { | |
8910 | if (json_paths) { | |
8911 | json_object_int_add(json_path, "addpathRxId", | |
8912 | path->addpath_rx_id); | |
d62a17ae | 8913 | |
05864da7 DS |
8914 | /* Keep backwards compatibility with the old API |
8915 | * by putting TX All's ID in the old field | |
8916 | */ | |
8917 | json_object_int_add( | |
8918 | json_path, "addpathTxId", | |
8919 | path->tx_addpath | |
8920 | .addpath_tx_id[BGP_ADDPATH_ALL]); | |
d62a17ae | 8921 | |
05864da7 DS |
8922 | /* ... but create a specific field for each |
8923 | * strategy | |
8924 | */ | |
8925 | for (i = 0; i < BGP_ADDPATH_MAX; i++) { | |
8926 | json_object_int_add( | |
8927 | json_path, | |
8928 | bgp_addpath_names(i)->id_json_name, | |
8929 | path->tx_addpath.addpath_tx_id[i]); | |
d62a17ae | 8930 | } |
05864da7 DS |
8931 | } else { |
8932 | vty_out(vty, " AddPath ID: RX %u, ", | |
8933 | path->addpath_rx_id); | |
d62a17ae | 8934 | |
05864da7 | 8935 | route_vty_out_tx_ids(vty, &path->tx_addpath); |
d62a17ae | 8936 | } |
05864da7 | 8937 | } |
520d5d76 | 8938 | |
05864da7 DS |
8939 | /* If we used addpath to TX a non-bestpath we need to display |
8940 | * "Advertised to" on a path-by-path basis | |
8941 | */ | |
8942 | if (bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { | |
8943 | first = 1; | |
dcc68b5e | 8944 | |
05864da7 DS |
8945 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { |
8946 | addpath_capable = | |
8947 | bgp_addpath_encode_tx(peer, afi, safi); | |
8948 | has_adj = bgp_adj_out_lookup( | |
8949 | peer, path->net, | |
8950 | bgp_addpath_id_for_peer(peer, afi, safi, | |
8951 | &path->tx_addpath)); | |
8952 | ||
8953 | if ((addpath_capable && has_adj) | |
8954 | || (!addpath_capable && has_adj | |
8955 | && CHECK_FLAG(path->flags, | |
8956 | BGP_PATH_SELECTED))) { | |
8957 | if (json_path && !json_adv_to) | |
8958 | json_adv_to = json_object_new_object(); | |
dcc68b5e | 8959 | |
05864da7 DS |
8960 | route_vty_out_advertised_to( |
8961 | vty, peer, &first, | |
8962 | " Advertised to:", json_adv_to); | |
d62a17ae | 8963 | } |
8964 | } | |
718e3744 | 8965 | |
05864da7 DS |
8966 | if (json_path) { |
8967 | if (json_adv_to) { | |
8968 | json_object_object_add( | |
8969 | json_path, "advertisedTo", json_adv_to); | |
d62a17ae | 8970 | } |
05864da7 DS |
8971 | } else { |
8972 | if (!first) { | |
8973 | vty_out(vty, "\n"); | |
d62a17ae | 8974 | } |
8975 | } | |
05864da7 | 8976 | } |
b05a1c8b | 8977 | |
05864da7 DS |
8978 | /* Line 9 display Uptime */ |
8979 | tbuf = time(NULL) - (bgp_clock() - path->uptime); | |
8980 | if (json_paths) { | |
8981 | json_last_update = json_object_new_object(); | |
8982 | json_object_int_add(json_last_update, "epoch", tbuf); | |
8983 | json_object_string_add(json_last_update, "string", | |
8984 | ctime(&tbuf)); | |
8985 | json_object_object_add(json_path, "lastUpdate", | |
8986 | json_last_update); | |
8987 | } else | |
8988 | vty_out(vty, " Last update: %s", ctime(&tbuf)); | |
b7d08f5a | 8989 | |
05864da7 DS |
8990 | /* Line 10 display PMSI tunnel attribute, if present */ |
8991 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_PMSI_TUNNEL)) { | |
8992 | const char *str = | |
8993 | lookup_msg(bgp_pmsi_tnltype_str, attr->pmsi_tnl_type, | |
8994 | PMSI_TNLTYPE_STR_DEFAULT); | |
7fd077aa | 8995 | |
05864da7 DS |
8996 | if (json_paths) { |
8997 | json_pmsi = json_object_new_object(); | |
8998 | json_object_string_add(json_pmsi, "tunnelType", str); | |
8999 | json_object_int_add(json_pmsi, "label", | |
9000 | label2vni(&attr->label)); | |
9001 | json_object_object_add(json_path, "pmsi", json_pmsi); | |
9002 | } else | |
9003 | vty_out(vty, " PMSI Tunnel Type: %s, label: %d\n", | |
9004 | str, label2vni(&attr->label)); | |
d62a17ae | 9005 | } |
f1aa5d8a | 9006 | |
d62a17ae | 9007 | /* We've constructed the json object for this path, add it to the json |
9008 | * array of paths | |
9009 | */ | |
9010 | if (json_paths) { | |
9011 | if (json_nexthop_global || json_nexthop_ll) { | |
9012 | json_nexthops = json_object_new_array(); | |
f1aa5d8a | 9013 | |
d62a17ae | 9014 | if (json_nexthop_global) |
9015 | json_object_array_add(json_nexthops, | |
9016 | json_nexthop_global); | |
f1aa5d8a | 9017 | |
d62a17ae | 9018 | if (json_nexthop_ll) |
9019 | json_object_array_add(json_nexthops, | |
9020 | json_nexthop_ll); | |
f1aa5d8a | 9021 | |
d62a17ae | 9022 | json_object_object_add(json_path, "nexthops", |
9023 | json_nexthops); | |
9024 | } | |
9025 | ||
9026 | json_object_object_add(json_path, "peer", json_peer); | |
9027 | json_object_array_add(json_paths, json_path); | |
05864da7 | 9028 | } |
b366b518 BB |
9029 | } |
9030 | ||
96ade3ed | 9031 | #define BGP_SHOW_HEADER_CSV "Flags, Network, Next Hop, Metric, LocPrf, Weight, Path" |
181039f3 DL |
9032 | #define BGP_SHOW_DAMP_HEADER " Network From Reuse Path\n" |
9033 | #define BGP_SHOW_FLAP_HEADER " Network From Flaps Duration Reuse Path\n" | |
718e3744 | 9034 | |
d62a17ae | 9035 | static int bgp_show_prefix_list(struct vty *vty, struct bgp *bgp, |
9036 | const char *prefix_list_str, afi_t afi, | |
9037 | safi_t safi, enum bgp_show_type type); | |
9038 | static int bgp_show_filter_list(struct vty *vty, struct bgp *bgp, | |
9039 | const char *filter, afi_t afi, safi_t safi, | |
9040 | enum bgp_show_type type); | |
9041 | static int bgp_show_route_map(struct vty *vty, struct bgp *bgp, | |
9042 | const char *rmap_str, afi_t afi, safi_t safi, | |
9043 | enum bgp_show_type type); | |
9044 | static int bgp_show_community_list(struct vty *vty, struct bgp *bgp, | |
9045 | const char *com, int exact, afi_t afi, | |
9046 | safi_t safi); | |
9047 | static int bgp_show_prefix_longer(struct vty *vty, struct bgp *bgp, | |
9048 | const char *prefix, afi_t afi, safi_t safi, | |
9049 | enum bgp_show_type type); | |
a4d82a8a PZ |
9050 | static int bgp_show_regexp(struct vty *vty, struct bgp *bgp, const char *regstr, |
9051 | afi_t afi, safi_t safi, enum bgp_show_type type); | |
7f323236 DW |
9052 | static int bgp_show_community(struct vty *vty, struct bgp *bgp, |
9053 | const char *comstr, int exact, afi_t afi, | |
9f049418 | 9054 | safi_t safi, bool use_json); |
d62a17ae | 9055 | |
1ae44dfc LB |
9056 | |
9057 | static int bgp_show_table(struct vty *vty, struct bgp *bgp, safi_t safi, | |
d62a17ae | 9058 | struct bgp_table *table, enum bgp_show_type type, |
9f049418 | 9059 | void *output_arg, bool use_json, char *rd, |
a4d82a8a PZ |
9060 | int is_last, unsigned long *output_cum, |
9061 | unsigned long *total_cum, | |
9386b588 | 9062 | unsigned long *json_header_depth) |
d62a17ae | 9063 | { |
40381db7 | 9064 | struct bgp_path_info *pi; |
d62a17ae | 9065 | struct bgp_node *rn; |
9066 | int header = 1; | |
9067 | int display; | |
1ae44dfc LB |
9068 | unsigned long output_count = 0; |
9069 | unsigned long total_count = 0; | |
d62a17ae | 9070 | struct prefix *p; |
d62a17ae | 9071 | char buf2[BUFSIZ]; |
9072 | json_object *json_paths = NULL; | |
9073 | int first = 1; | |
9074 | ||
1ae44dfc LB |
9075 | if (output_cum && *output_cum != 0) |
9076 | header = 0; | |
9077 | ||
9386b588 | 9078 | if (use_json && !*json_header_depth) { |
d62a17ae | 9079 | vty_out(vty, |
66f80d74 | 9080 | "{\n \"vrfId\": %d,\n \"vrfName\": \"%s\",\n \"tableVersion\": %" PRId64 |
01eced22 AD |
9081 | ",\n \"routerId\": \"%s\",\n \"defaultLocPrf\": %u,\n" |
9082 | " \"localAS\": %u,\n \"routes\": { ", | |
a8bf7d9c | 9083 | bgp->vrf_id == VRF_UNKNOWN ? -1 : (int)bgp->vrf_id, |
5742e42b DS |
9084 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT |
9085 | ? VRF_DEFAULT_NAME | |
9086 | : bgp->name, | |
01eced22 AD |
9087 | table->version, inet_ntoa(bgp->router_id), |
9088 | bgp->default_local_pref, bgp->as); | |
9386b588 PZ |
9089 | *json_header_depth = 2; |
9090 | if (rd) { | |
445c2480 | 9091 | vty_out(vty, " \"routeDistinguishers\" : {"); |
9386b588 PZ |
9092 | ++*json_header_depth; |
9093 | } | |
d62a17ae | 9094 | } |
718e3744 | 9095 | |
445c2480 DS |
9096 | if (use_json && rd) { |
9097 | vty_out(vty, " \"%s\" : { ", rd); | |
9098 | } | |
9099 | ||
d62a17ae | 9100 | /* Start processing of routes. */ |
98ce9a06 | 9101 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
6f94b685 DS |
9102 | pi = bgp_node_get_bgp_path_info(rn); |
9103 | if (pi == NULL) | |
98ce9a06 | 9104 | continue; |
d62a17ae | 9105 | |
98ce9a06 | 9106 | display = 0; |
98ce9a06 DS |
9107 | if (use_json) |
9108 | json_paths = json_object_new_array(); | |
9109 | else | |
9110 | json_paths = NULL; | |
d62a17ae | 9111 | |
6f94b685 | 9112 | for (; pi; pi = pi->next) { |
98ce9a06 DS |
9113 | total_count++; |
9114 | if (type == bgp_show_type_flap_statistics | |
9115 | || type == bgp_show_type_flap_neighbor | |
9116 | || type == bgp_show_type_dampend_paths | |
9117 | || type == bgp_show_type_damp_neighbor) { | |
40381db7 | 9118 | if (!(pi->extra && pi->extra->damp_info)) |
98ce9a06 DS |
9119 | continue; |
9120 | } | |
9121 | if (type == bgp_show_type_regexp) { | |
9122 | regex_t *regex = output_arg; | |
d62a17ae | 9123 | |
40381db7 | 9124 | if (bgp_regexec(regex, pi->attr->aspath) |
98ce9a06 DS |
9125 | == REG_NOMATCH) |
9126 | continue; | |
9127 | } | |
9128 | if (type == bgp_show_type_prefix_list) { | |
9129 | struct prefix_list *plist = output_arg; | |
d62a17ae | 9130 | |
98ce9a06 DS |
9131 | if (prefix_list_apply(plist, &rn->p) |
9132 | != PREFIX_PERMIT) | |
9133 | continue; | |
9134 | } | |
9135 | if (type == bgp_show_type_filter_list) { | |
9136 | struct as_list *as_list = output_arg; | |
d62a17ae | 9137 | |
40381db7 | 9138 | if (as_list_apply(as_list, pi->attr->aspath) |
98ce9a06 DS |
9139 | != AS_FILTER_PERMIT) |
9140 | continue; | |
9141 | } | |
9142 | if (type == bgp_show_type_route_map) { | |
9143 | struct route_map *rmap = output_arg; | |
9b6d8fcf | 9144 | struct bgp_path_info path; |
98ce9a06 | 9145 | struct attr dummy_attr; |
b68885f9 | 9146 | route_map_result_t ret; |
d62a17ae | 9147 | |
40381db7 | 9148 | bgp_attr_dup(&dummy_attr, pi->attr); |
d62a17ae | 9149 | |
40381db7 | 9150 | path.peer = pi->peer; |
9b6d8fcf | 9151 | path.attr = &dummy_attr; |
d62a17ae | 9152 | |
a4d82a8a | 9153 | ret = route_map_apply(rmap, &rn->p, RMAP_BGP, |
9b6d8fcf | 9154 | &path); |
98ce9a06 DS |
9155 | if (ret == RMAP_DENYMATCH) |
9156 | continue; | |
9157 | } | |
9158 | if (type == bgp_show_type_neighbor | |
9159 | || type == bgp_show_type_flap_neighbor | |
9160 | || type == bgp_show_type_damp_neighbor) { | |
9161 | union sockunion *su = output_arg; | |
9162 | ||
40381db7 DS |
9163 | if (pi->peer == NULL |
9164 | || pi->peer->su_remote == NULL | |
9165 | || !sockunion_same(pi->peer->su_remote, su)) | |
98ce9a06 DS |
9166 | continue; |
9167 | } | |
9168 | if (type == bgp_show_type_cidr_only) { | |
d7c0a89a | 9169 | uint32_t destination; |
d62a17ae | 9170 | |
98ce9a06 DS |
9171 | destination = ntohl(rn->p.u.prefix4.s_addr); |
9172 | if (IN_CLASSC(destination) | |
9173 | && rn->p.prefixlen == 24) | |
9174 | continue; | |
9175 | if (IN_CLASSB(destination) | |
9176 | && rn->p.prefixlen == 16) | |
9177 | continue; | |
9178 | if (IN_CLASSA(destination) | |
9179 | && rn->p.prefixlen == 8) | |
9180 | continue; | |
9181 | } | |
9182 | if (type == bgp_show_type_prefix_longer) { | |
f7813c7c | 9183 | p = output_arg; |
98ce9a06 DS |
9184 | if (!prefix_match(p, &rn->p)) |
9185 | continue; | |
9186 | } | |
9187 | if (type == bgp_show_type_community_all) { | |
40381db7 | 9188 | if (!pi->attr->community) |
98ce9a06 DS |
9189 | continue; |
9190 | } | |
9191 | if (type == bgp_show_type_community) { | |
9192 | struct community *com = output_arg; | |
d62a17ae | 9193 | |
40381db7 DS |
9194 | if (!pi->attr->community |
9195 | || !community_match(pi->attr->community, | |
98ce9a06 DS |
9196 | com)) |
9197 | continue; | |
9198 | } | |
9199 | if (type == bgp_show_type_community_exact) { | |
9200 | struct community *com = output_arg; | |
d62a17ae | 9201 | |
40381db7 DS |
9202 | if (!pi->attr->community |
9203 | || !community_cmp(pi->attr->community, com)) | |
98ce9a06 DS |
9204 | continue; |
9205 | } | |
9206 | if (type == bgp_show_type_community_list) { | |
9207 | struct community_list *list = output_arg; | |
d62a17ae | 9208 | |
40381db7 | 9209 | if (!community_list_match(pi->attr->community, |
a4d82a8a | 9210 | list)) |
98ce9a06 DS |
9211 | continue; |
9212 | } | |
a4d82a8a | 9213 | if (type == bgp_show_type_community_list_exact) { |
98ce9a06 | 9214 | struct community_list *list = output_arg; |
d62a17ae | 9215 | |
98ce9a06 | 9216 | if (!community_list_exact_match( |
40381db7 | 9217 | pi->attr->community, list)) |
98ce9a06 DS |
9218 | continue; |
9219 | } | |
9220 | if (type == bgp_show_type_lcommunity) { | |
9221 | struct lcommunity *lcom = output_arg; | |
d62a17ae | 9222 | |
40381db7 DS |
9223 | if (!pi->attr->lcommunity |
9224 | || !lcommunity_match(pi->attr->lcommunity, | |
98ce9a06 DS |
9225 | lcom)) |
9226 | continue; | |
9227 | } | |
36a206db | 9228 | |
9229 | if (type == bgp_show_type_lcommunity_exact) { | |
9230 | struct lcommunity *lcom = output_arg; | |
9231 | ||
9232 | if (!pi->attr->lcommunity | |
9233 | || !lcommunity_cmp(pi->attr->lcommunity, | |
9234 | lcom)) | |
9235 | continue; | |
9236 | } | |
98ce9a06 DS |
9237 | if (type == bgp_show_type_lcommunity_list) { |
9238 | struct community_list *list = output_arg; | |
d62a17ae | 9239 | |
40381db7 | 9240 | if (!lcommunity_list_match(pi->attr->lcommunity, |
a4d82a8a | 9241 | list)) |
98ce9a06 DS |
9242 | continue; |
9243 | } | |
36a206db | 9244 | if (type |
9245 | == bgp_show_type_lcommunity_list_exact) { | |
9246 | struct community_list *list = output_arg; | |
9247 | ||
9248 | if (!lcommunity_list_exact_match( | |
9249 | pi->attr->lcommunity, list)) | |
9250 | continue; | |
9251 | } | |
98ce9a06 | 9252 | if (type == bgp_show_type_lcommunity_all) { |
40381db7 | 9253 | if (!pi->attr->lcommunity) |
98ce9a06 DS |
9254 | continue; |
9255 | } | |
9256 | if (type == bgp_show_type_dampend_paths | |
9257 | || type == bgp_show_type_damp_neighbor) { | |
40381db7 DS |
9258 | if (!CHECK_FLAG(pi->flags, BGP_PATH_DAMPED) |
9259 | || CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) | |
98ce9a06 DS |
9260 | continue; |
9261 | } | |
9262 | ||
9263 | if (!use_json && header) { | |
996c9314 | 9264 | vty_out(vty, "BGP table version is %" PRIu64 |
9df8b37c | 9265 | ", local router ID is %s, vrf id ", |
98ce9a06 DS |
9266 | table->version, |
9267 | inet_ntoa(bgp->router_id)); | |
9df8b37c PZ |
9268 | if (bgp->vrf_id == VRF_UNKNOWN) |
9269 | vty_out(vty, "%s", VRFID_NONE_STR); | |
9270 | else | |
9271 | vty_out(vty, "%u", bgp->vrf_id); | |
9272 | vty_out(vty, "\n"); | |
01eced22 AD |
9273 | vty_out(vty, "Default local pref %u, ", |
9274 | bgp->default_local_pref); | |
9275 | vty_out(vty, "local AS %u\n", bgp->as); | |
98ce9a06 | 9276 | vty_out(vty, BGP_SHOW_SCODE_HEADER); |
9df8b37c | 9277 | vty_out(vty, BGP_SHOW_NCODE_HEADER); |
98ce9a06 | 9278 | vty_out(vty, BGP_SHOW_OCODE_HEADER); |
d62a17ae | 9279 | if (type == bgp_show_type_dampend_paths |
9280 | || type == bgp_show_type_damp_neighbor) | |
98ce9a06 | 9281 | vty_out(vty, BGP_SHOW_DAMP_HEADER); |
a4d82a8a PZ |
9282 | else if (type == bgp_show_type_flap_statistics |
9283 | || type == bgp_show_type_flap_neighbor) | |
98ce9a06 | 9284 | vty_out(vty, BGP_SHOW_FLAP_HEADER); |
d62a17ae | 9285 | else |
98ce9a06 DS |
9286 | vty_out(vty, BGP_SHOW_HEADER); |
9287 | header = 0; | |
d62a17ae | 9288 | } |
98ce9a06 DS |
9289 | if (rd != NULL && !display && !output_count) { |
9290 | if (!use_json) | |
9291 | vty_out(vty, | |
9292 | "Route Distinguisher: %s\n", | |
9293 | rd); | |
d62a17ae | 9294 | } |
98ce9a06 DS |
9295 | if (type == bgp_show_type_dampend_paths |
9296 | || type == bgp_show_type_damp_neighbor) | |
a935f597 | 9297 | damp_route_vty_out(vty, &rn->p, pi, display, AFI_IP, |
a4d82a8a | 9298 | safi, use_json, json_paths); |
98ce9a06 DS |
9299 | else if (type == bgp_show_type_flap_statistics |
9300 | || type == bgp_show_type_flap_neighbor) | |
a935f597 | 9301 | flap_route_vty_out(vty, &rn->p, pi, display, AFI_IP, |
a4d82a8a | 9302 | safi, use_json, json_paths); |
98ce9a06 | 9303 | else |
40381db7 | 9304 | route_vty_out(vty, &rn->p, pi, display, safi, |
a4d82a8a | 9305 | json_paths); |
98ce9a06 | 9306 | display++; |
d62a17ae | 9307 | } |
9308 | ||
98ce9a06 DS |
9309 | if (display) { |
9310 | output_count++; | |
9311 | if (!use_json) | |
9312 | continue; | |
9313 | ||
9314 | p = &rn->p; | |
625d2931 PG |
9315 | /* encode prefix */ |
9316 | if (p->family == AF_FLOWSPEC) { | |
9317 | char retstr[BGP_FLOWSPEC_STRING_DISPLAY_MAX]; | |
9318 | ||
9319 | bgp_fs_nlri_get_string((unsigned char *) | |
9320 | p->u.prefix_flowspec.ptr, | |
9321 | p->u.prefix_flowspec | |
9322 | .prefixlen, | |
9323 | retstr, | |
9324 | NLRI_STRING_FORMAT_MIN, | |
9325 | NULL); | |
9326 | if (first) | |
9327 | vty_out(vty, "\"%s/%d\": ", | |
9328 | retstr, | |
9329 | p->u.prefix_flowspec.prefixlen); | |
9330 | else | |
9331 | vty_out(vty, ",\"%s/%d\": ", | |
9332 | retstr, | |
9333 | p->u.prefix_flowspec.prefixlen); | |
9334 | } else { | |
9335 | prefix2str(p, buf2, sizeof(buf2)); | |
9336 | if (first) | |
9337 | vty_out(vty, "\"%s\": ", buf2); | |
9338 | else | |
9339 | vty_out(vty, ",\"%s\": ", buf2); | |
9340 | } | |
98ce9a06 | 9341 | vty_out(vty, "%s", |
23b2a7ef | 9342 | json_object_to_json_string(json_paths)); |
98ce9a06 | 9343 | json_object_free(json_paths); |
449feb8e | 9344 | json_paths = NULL; |
98ce9a06 DS |
9345 | first = 0; |
9346 | } | |
9347 | } | |
9348 | ||
1ae44dfc LB |
9349 | if (output_cum) { |
9350 | output_count += *output_cum; | |
9351 | *output_cum = output_count; | |
9352 | } | |
9353 | if (total_cum) { | |
9354 | total_count += *total_cum; | |
9355 | *total_cum = total_count; | |
9356 | } | |
d62a17ae | 9357 | if (use_json) { |
9386b588 | 9358 | if (rd) { |
a4d82a8a | 9359 | vty_out(vty, " }%s ", (is_last ? "" : ",")); |
9386b588 PZ |
9360 | } |
9361 | if (is_last) { | |
a4d82a8a PZ |
9362 | unsigned long i; |
9363 | for (i = 0; i < *json_header_depth; ++i) | |
9364 | vty_out(vty, " } "); | |
faf6559a | 9365 | vty_out(vty, "\n"); |
9386b588 | 9366 | } |
d62a17ae | 9367 | } else { |
1ae44dfc LB |
9368 | if (is_last) { |
9369 | /* No route is displayed */ | |
9370 | if (output_count == 0) { | |
9371 | if (type == bgp_show_type_normal) | |
9372 | vty_out(vty, | |
9373 | "No BGP prefixes displayed, %ld exist\n", | |
9374 | total_count); | |
9375 | } else | |
d62a17ae | 9376 | vty_out(vty, |
1ae44dfc LB |
9377 | "\nDisplayed %ld routes and %ld total paths\n", |
9378 | output_count, total_count); | |
9379 | } | |
d62a17ae | 9380 | } |
718e3744 | 9381 | |
d62a17ae | 9382 | return CMD_SUCCESS; |
718e3744 | 9383 | } |
9384 | ||
1ae44dfc LB |
9385 | int bgp_show_table_rd(struct vty *vty, struct bgp *bgp, safi_t safi, |
9386 | struct bgp_table *table, struct prefix_rd *prd_match, | |
9f049418 | 9387 | enum bgp_show_type type, void *output_arg, bool use_json) |
1ae44dfc LB |
9388 | { |
9389 | struct bgp_node *rn, *next; | |
9390 | unsigned long output_cum = 0; | |
9391 | unsigned long total_cum = 0; | |
9386b588 | 9392 | unsigned long json_header_depth = 0; |
67009e22 | 9393 | struct bgp_table *itable; |
0136788c LB |
9394 | bool show_msg; |
9395 | ||
9396 | show_msg = (!use_json && type == bgp_show_type_normal); | |
1ae44dfc LB |
9397 | |
9398 | for (rn = bgp_table_top(table); rn; rn = next) { | |
9399 | next = bgp_route_next(rn); | |
9400 | if (prd_match && memcmp(rn->p.u.val, prd_match->val, 8) != 0) | |
9401 | continue; | |
67009e22 DS |
9402 | |
9403 | itable = bgp_node_get_bgp_table_info(rn); | |
9404 | if (itable != NULL) { | |
1ae44dfc | 9405 | struct prefix_rd prd; |
06b9f471 | 9406 | char rd[RD_ADDRSTRLEN]; |
1ae44dfc LB |
9407 | |
9408 | memcpy(&prd, &(rn->p), sizeof(struct prefix_rd)); | |
06b9f471 | 9409 | prefix_rd2str(&prd, rd, sizeof(rd)); |
67009e22 DS |
9410 | bgp_show_table(vty, bgp, safi, itable, type, output_arg, |
9411 | use_json, rd, next == NULL, &output_cum, | |
9412 | &total_cum, &json_header_depth); | |
0136788c LB |
9413 | if (next == NULL) |
9414 | show_msg = false; | |
1ae44dfc LB |
9415 | } |
9416 | } | |
0136788c LB |
9417 | if (show_msg) { |
9418 | if (output_cum == 0) | |
9419 | vty_out(vty, "No BGP prefixes displayed, %ld exist\n", | |
9420 | total_cum); | |
9421 | else | |
9422 | vty_out(vty, | |
9423 | "\nDisplayed %ld routes and %ld total paths\n", | |
9424 | output_cum, total_cum); | |
9425 | } | |
1ae44dfc LB |
9426 | return CMD_SUCCESS; |
9427 | } | |
d62a17ae | 9428 | static int bgp_show(struct vty *vty, struct bgp *bgp, afi_t afi, safi_t safi, |
9f049418 | 9429 | enum bgp_show_type type, void *output_arg, bool use_json) |
fee0f4c6 | 9430 | { |
d62a17ae | 9431 | struct bgp_table *table; |
9386b588 | 9432 | unsigned long json_header_depth = 0; |
fee0f4c6 | 9433 | |
d62a17ae | 9434 | if (bgp == NULL) { |
9435 | bgp = bgp_get_default(); | |
9436 | } | |
fee0f4c6 | 9437 | |
d62a17ae | 9438 | if (bgp == NULL) { |
9439 | if (!use_json) | |
9440 | vty_out(vty, "No BGP process is configured\n"); | |
16307668 RW |
9441 | else |
9442 | vty_out(vty, "{}\n"); | |
d62a17ae | 9443 | return CMD_WARNING; |
9444 | } | |
4dd6177e | 9445 | |
1ae44dfc | 9446 | table = bgp->rib[afi][safi]; |
d62a17ae | 9447 | /* use MPLS and ENCAP specific shows until they are merged */ |
9448 | if (safi == SAFI_MPLS_VPN) { | |
1ae44dfc LB |
9449 | return bgp_show_table_rd(vty, bgp, safi, table, NULL, type, |
9450 | output_arg, use_json); | |
d62a17ae | 9451 | } |
dba3c1d3 PG |
9452 | |
9453 | if (safi == SAFI_FLOWSPEC && type == bgp_show_type_detail) { | |
9454 | return bgp_show_table_flowspec(vty, bgp, afi, table, type, | |
9455 | output_arg, use_json, | |
9456 | 1, NULL, NULL); | |
9457 | } | |
d62a17ae | 9458 | /* labeled-unicast routes live in the unicast table */ |
9459 | else if (safi == SAFI_LABELED_UNICAST) | |
9460 | safi = SAFI_UNICAST; | |
fee0f4c6 | 9461 | |
1ae44dfc | 9462 | return bgp_show_table(vty, bgp, safi, table, type, output_arg, use_json, |
9386b588 | 9463 | NULL, 1, NULL, NULL, &json_header_depth); |
fee0f4c6 | 9464 | } |
9465 | ||
d62a17ae | 9466 | static void bgp_show_all_instances_routes_vty(struct vty *vty, afi_t afi, |
9f049418 | 9467 | safi_t safi, bool use_json) |
f186de26 | 9468 | { |
d62a17ae | 9469 | struct listnode *node, *nnode; |
9470 | struct bgp *bgp; | |
9471 | int is_first = 1; | |
9f049418 | 9472 | bool route_output = false; |
f186de26 | 9473 | |
d62a17ae | 9474 | if (use_json) |
9475 | vty_out(vty, "{\n"); | |
9f689658 | 9476 | |
d62a17ae | 9477 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) { |
9f049418 | 9478 | route_output = true; |
d62a17ae | 9479 | if (use_json) { |
9480 | if (!is_first) | |
9481 | vty_out(vty, ",\n"); | |
9482 | else | |
9483 | is_first = 0; | |
9484 | ||
9485 | vty_out(vty, "\"%s\":", | |
9486 | (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
5742e42b | 9487 | ? VRF_DEFAULT_NAME |
d62a17ae | 9488 | : bgp->name); |
9489 | } else { | |
9490 | vty_out(vty, "\nInstance %s:\n", | |
9491 | (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
5742e42b | 9492 | ? VRF_DEFAULT_NAME |
d62a17ae | 9493 | : bgp->name); |
9494 | } | |
9495 | bgp_show(vty, bgp, afi, safi, bgp_show_type_normal, NULL, | |
9496 | use_json); | |
9497 | } | |
9f689658 | 9498 | |
d62a17ae | 9499 | if (use_json) |
9500 | vty_out(vty, "}\n"); | |
9f049418 DS |
9501 | else if (!route_output) |
9502 | vty_out(vty, "%% BGP instance not found\n"); | |
f186de26 | 9503 | } |
9504 | ||
718e3744 | 9505 | /* Header of detailed BGP route information */ |
d62a17ae | 9506 | void route_vty_out_detail_header(struct vty *vty, struct bgp *bgp, |
9507 | struct bgp_node *rn, struct prefix_rd *prd, | |
9508 | afi_t afi, safi_t safi, json_object *json) | |
9509 | { | |
40381db7 | 9510 | struct bgp_path_info *pi; |
d62a17ae | 9511 | struct prefix *p; |
9512 | struct peer *peer; | |
9513 | struct listnode *node, *nnode; | |
06b9f471 | 9514 | char buf1[RD_ADDRSTRLEN]; |
d62a17ae | 9515 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 9516 | char buf3[EVPN_ROUTE_STRLEN]; |
0291c246 | 9517 | char prefix_str[BUFSIZ]; |
d62a17ae | 9518 | int count = 0; |
9519 | int best = 0; | |
9520 | int suppress = 0; | |
c5f1e1b2 C |
9521 | int accept_own = 0; |
9522 | int route_filter_translated_v4 = 0; | |
9523 | int route_filter_v4 = 0; | |
9524 | int route_filter_translated_v6 = 0; | |
9525 | int route_filter_v6 = 0; | |
9526 | int llgr_stale = 0; | |
9527 | int no_llgr = 0; | |
9528 | int accept_own_nexthop = 0; | |
9529 | int blackhole = 0; | |
d62a17ae | 9530 | int no_export = 0; |
9531 | int no_advertise = 0; | |
9532 | int local_as = 0; | |
c5f1e1b2 | 9533 | int no_peer = 0; |
d62a17ae | 9534 | int first = 1; |
9535 | int has_valid_label = 0; | |
9536 | mpls_label_t label = 0; | |
9537 | json_object *json_adv_to = NULL; | |
9bedbb1e | 9538 | |
d62a17ae | 9539 | p = &rn->p; |
9540 | has_valid_label = bgp_is_valid_label(&rn->local_label); | |
9541 | ||
9542 | if (has_valid_label) | |
9543 | label = label_pton(&rn->local_label); | |
9544 | ||
44c69747 | 9545 | if (safi == SAFI_EVPN) { |
d62a17ae | 9546 | |
44c69747 | 9547 | if (!json) { |
d62a17ae | 9548 | vty_out(vty, "BGP routing table entry for %s%s%s\n", |
06b9f471 | 9549 | prd ? prefix_rd2str(prd, buf1, sizeof(buf1)) |
44c69747 | 9550 | : "", prd ? ":" : "", |
d62a17ae | 9551 | bgp_evpn_route2str((struct prefix_evpn *)p, |
44c69747 LK |
9552 | buf3, sizeof(buf3))); |
9553 | } else { | |
9554 | json_object_string_add(json, "rd", | |
9555 | prd ? prefix_rd2str(prd, buf1, sizeof(buf1)) : | |
9556 | ""); | |
9557 | bgp_evpn_route2json((struct prefix_evpn *)p, json); | |
9558 | } | |
9559 | } else { | |
9560 | if (!json) { | |
d62a17ae | 9561 | vty_out(vty, "BGP routing table entry for %s%s%s/%d\n", |
9562 | ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP) | |
44c69747 LK |
9563 | ? prefix_rd2str(prd, buf1, |
9564 | sizeof(buf1)) | |
9565 | : ""), | |
d62a17ae | 9566 | safi == SAFI_MPLS_VPN ? ":" : "", |
9567 | inet_ntop(p->family, &p->u.prefix, buf2, | |
44c69747 | 9568 | INET6_ADDRSTRLEN), |
d62a17ae | 9569 | p->prefixlen); |
cd1964ff | 9570 | |
44c69747 LK |
9571 | } else |
9572 | json_object_string_add(json, "prefix", | |
9573 | prefix2str(p, prefix_str, sizeof(prefix_str))); | |
9574 | } | |
9575 | ||
9576 | if (has_valid_label) { | |
9577 | if (json) | |
9578 | json_object_int_add(json, "localLabel", label); | |
9579 | else | |
d62a17ae | 9580 | vty_out(vty, "Local label: %d\n", label); |
44c69747 LK |
9581 | } |
9582 | ||
9583 | if (!json) | |
d62a17ae | 9584 | if (bgp_labeled_safi(safi) && safi != SAFI_EVPN) |
d62a17ae | 9585 | vty_out(vty, "not allocated\n"); |
718e3744 | 9586 | |
6f94b685 | 9587 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
d62a17ae | 9588 | count++; |
40381db7 | 9589 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 9590 | best = count; |
40381db7 | 9591 | if (pi->extra && pi->extra->suppress) |
d62a17ae | 9592 | suppress = 1; |
cee9c031 | 9593 | |
40381db7 | 9594 | if (pi->attr->community == NULL) |
cee9c031 QY |
9595 | continue; |
9596 | ||
9597 | no_advertise += community_include( | |
40381db7 DS |
9598 | pi->attr->community, COMMUNITY_NO_ADVERTISE); |
9599 | no_export += community_include(pi->attr->community, | |
cee9c031 | 9600 | COMMUNITY_NO_EXPORT); |
40381db7 | 9601 | local_as += community_include(pi->attr->community, |
cee9c031 | 9602 | COMMUNITY_LOCAL_AS); |
40381db7 | 9603 | accept_own += community_include(pi->attr->community, |
cee9c031 QY |
9604 | COMMUNITY_ACCEPT_OWN); |
9605 | route_filter_translated_v4 += community_include( | |
40381db7 | 9606 | pi->attr->community, |
cee9c031 QY |
9607 | COMMUNITY_ROUTE_FILTER_TRANSLATED_v4); |
9608 | route_filter_translated_v6 += community_include( | |
40381db7 | 9609 | pi->attr->community, |
cee9c031 QY |
9610 | COMMUNITY_ROUTE_FILTER_TRANSLATED_v6); |
9611 | route_filter_v4 += community_include( | |
40381db7 | 9612 | pi->attr->community, COMMUNITY_ROUTE_FILTER_v4); |
cee9c031 | 9613 | route_filter_v6 += community_include( |
40381db7 DS |
9614 | pi->attr->community, COMMUNITY_ROUTE_FILTER_v6); |
9615 | llgr_stale += community_include(pi->attr->community, | |
cee9c031 | 9616 | COMMUNITY_LLGR_STALE); |
40381db7 | 9617 | no_llgr += community_include(pi->attr->community, |
cee9c031 QY |
9618 | COMMUNITY_NO_LLGR); |
9619 | accept_own_nexthop += | |
40381db7 | 9620 | community_include(pi->attr->community, |
cee9c031 | 9621 | COMMUNITY_ACCEPT_OWN_NEXTHOP); |
40381db7 | 9622 | blackhole += community_include(pi->attr->community, |
cee9c031 | 9623 | COMMUNITY_BLACKHOLE); |
40381db7 | 9624 | no_peer += community_include(pi->attr->community, |
cee9c031 | 9625 | COMMUNITY_NO_PEER); |
d62a17ae | 9626 | } |
718e3744 | 9627 | } |
718e3744 | 9628 | |
d62a17ae | 9629 | if (!json) { |
9630 | vty_out(vty, "Paths: (%d available", count); | |
9631 | if (best) { | |
9632 | vty_out(vty, ", best #%d", best); | |
b84060bb PG |
9633 | if (safi == SAFI_UNICAST) { |
9634 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
9635 | vty_out(vty, ", table %s", | |
9636 | VRF_DEFAULT_NAME); | |
9637 | else | |
9638 | vty_out(vty, ", vrf %s", | |
9639 | bgp->name); | |
9640 | } | |
d62a17ae | 9641 | } else |
9642 | vty_out(vty, ", no best path"); | |
9643 | ||
c5f1e1b2 C |
9644 | if (accept_own) |
9645 | vty_out(vty, | |
9646 | ", accept own local route exported and imported in different VRF"); | |
9647 | else if (route_filter_translated_v4) | |
9648 | vty_out(vty, | |
9649 | ", mark translated RTs for VPNv4 route filtering"); | |
9650 | else if (route_filter_v4) | |
9651 | vty_out(vty, | |
9652 | ", attach RT as-is for VPNv4 route filtering"); | |
9653 | else if (route_filter_translated_v6) | |
9654 | vty_out(vty, | |
9655 | ", mark translated RTs for VPNv6 route filtering"); | |
9656 | else if (route_filter_v6) | |
9657 | vty_out(vty, | |
9658 | ", attach RT as-is for VPNv6 route filtering"); | |
9659 | else if (llgr_stale) | |
9660 | vty_out(vty, | |
9661 | ", mark routes to be retained for a longer time. Requeres support for Long-lived BGP Graceful Restart"); | |
9662 | else if (no_llgr) | |
9663 | vty_out(vty, | |
9664 | ", mark routes to not be treated according to Long-lived BGP Graceful Restart operations"); | |
9665 | else if (accept_own_nexthop) | |
9666 | vty_out(vty, | |
9667 | ", accept local nexthop"); | |
9668 | else if (blackhole) | |
9669 | vty_out(vty, ", inform peer to blackhole prefix"); | |
d62a17ae | 9670 | else if (no_export) |
9671 | vty_out(vty, ", not advertised to EBGP peer"); | |
c5f1e1b2 C |
9672 | else if (no_advertise) |
9673 | vty_out(vty, ", not advertised to any peer"); | |
d62a17ae | 9674 | else if (local_as) |
9675 | vty_out(vty, ", not advertised outside local AS"); | |
c5f1e1b2 C |
9676 | else if (no_peer) |
9677 | vty_out(vty, | |
9678 | ", inform EBGP peer not to advertise to their EBGP peers"); | |
d62a17ae | 9679 | |
9680 | if (suppress) | |
9681 | vty_out(vty, | |
9682 | ", Advertisements suppressed by an aggregate."); | |
9683 | vty_out(vty, ")\n"); | |
9684 | } | |
718e3744 | 9685 | |
d62a17ae | 9686 | /* If we are not using addpath then we can display Advertised to and |
9687 | * that will | |
9688 | * show what peers we advertised the bestpath to. If we are using | |
9689 | * addpath | |
9690 | * though then we must display Advertised to on a path-by-path basis. */ | |
dcc68b5e | 9691 | if (!bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { |
d62a17ae | 9692 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { |
9693 | if (bgp_adj_out_lookup(peer, rn, 0)) { | |
9694 | if (json && !json_adv_to) | |
9695 | json_adv_to = json_object_new_object(); | |
9696 | ||
9697 | route_vty_out_advertised_to( | |
9698 | vty, peer, &first, | |
9699 | " Advertised to non peer-group peers:\n ", | |
9700 | json_adv_to); | |
9701 | } | |
9702 | } | |
9703 | ||
9704 | if (json) { | |
9705 | if (json_adv_to) { | |
9706 | json_object_object_add(json, "advertisedTo", | |
9707 | json_adv_to); | |
9708 | } | |
9709 | } else { | |
9710 | if (first) | |
9711 | vty_out(vty, " Not advertised to any peer"); | |
9712 | vty_out(vty, "\n"); | |
9713 | } | |
9714 | } | |
718e3744 | 9715 | } |
9716 | ||
44c69747 LK |
9717 | static void bgp_show_path_info(struct prefix_rd *pfx_rd, |
9718 | struct bgp_node *bgp_node, struct vty *vty, | |
9719 | struct bgp *bgp, afi_t afi, | |
9720 | safi_t safi, json_object *json, | |
9721 | enum bgp_path_type pathtype, int *display) | |
9722 | { | |
9723 | struct bgp_path_info *pi; | |
9724 | int header = 1; | |
9725 | char rdbuf[RD_ADDRSTRLEN]; | |
9726 | json_object *json_header = NULL; | |
9727 | json_object *json_paths = NULL; | |
9728 | ||
9729 | for (pi = bgp_node_get_bgp_path_info(bgp_node); pi; | |
9730 | pi = pi->next) { | |
9731 | ||
9732 | if (json && !json_paths) { | |
9733 | /* Instantiate json_paths only if path is valid */ | |
9734 | json_paths = json_object_new_array(); | |
9735 | if (pfx_rd) { | |
9736 | prefix_rd2str(pfx_rd, rdbuf, sizeof(rdbuf)); | |
9737 | json_header = json_object_new_object(); | |
9738 | } else | |
9739 | json_header = json; | |
9740 | } | |
9741 | ||
9742 | if (header) { | |
9743 | route_vty_out_detail_header( | |
9744 | vty, bgp, bgp_node, pfx_rd, | |
9745 | AFI_IP, safi, json_header); | |
9746 | header = 0; | |
9747 | } | |
9748 | (*display)++; | |
9749 | ||
9750 | if (pathtype == BGP_PATH_SHOW_ALL | |
9751 | || (pathtype == BGP_PATH_SHOW_BESTPATH | |
9752 | && CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) | |
9753 | || (pathtype == BGP_PATH_SHOW_MULTIPATH | |
9754 | && (CHECK_FLAG(pi->flags, BGP_PATH_MULTIPATH) | |
9755 | || CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)))) | |
9756 | route_vty_out_detail(vty, bgp, bgp_node, | |
9757 | pi, AFI_IP, safi, | |
9758 | json_paths); | |
9759 | } | |
9760 | ||
9761 | if (json && json_paths) { | |
9762 | json_object_object_add(json_header, "paths", json_paths); | |
9763 | ||
9764 | if (pfx_rd) | |
9765 | json_object_object_add(json, rdbuf, json_header); | |
9766 | } | |
9767 | } | |
9768 | ||
718e3744 | 9769 | /* Display specified route of BGP table. */ |
d62a17ae | 9770 | static int bgp_show_route_in_table(struct vty *vty, struct bgp *bgp, |
9771 | struct bgp_table *rib, const char *ip_str, | |
9772 | afi_t afi, safi_t safi, | |
9773 | struct prefix_rd *prd, int prefix_check, | |
9f049418 | 9774 | enum bgp_path_type pathtype, bool use_json) |
d62a17ae | 9775 | { |
9776 | int ret; | |
d62a17ae | 9777 | int display = 0; |
9778 | struct prefix match; | |
9779 | struct bgp_node *rn; | |
9780 | struct bgp_node *rm; | |
d62a17ae | 9781 | struct bgp_table *table; |
9782 | json_object *json = NULL; | |
9783 | json_object *json_paths = NULL; | |
9784 | ||
9785 | /* Check IP address argument. */ | |
9786 | ret = str2prefix(ip_str, &match); | |
9787 | if (!ret) { | |
9788 | vty_out(vty, "address is malformed\n"); | |
9789 | return CMD_WARNING; | |
9790 | } | |
718e3744 | 9791 | |
d62a17ae | 9792 | match.family = afi2family(afi); |
b05a1c8b | 9793 | |
44c69747 | 9794 | if (use_json) |
d62a17ae | 9795 | json = json_object_new_object(); |
718e3744 | 9796 | |
44c69747 | 9797 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP) { |
d62a17ae | 9798 | for (rn = bgp_table_top(rib); rn; rn = bgp_route_next(rn)) { |
9799 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
9800 | continue; | |
67009e22 DS |
9801 | table = bgp_node_get_bgp_table_info(rn); |
9802 | if (!table) | |
ea47320b | 9803 | continue; |
d62a17ae | 9804 | |
ea47320b DL |
9805 | if ((rm = bgp_node_match(table, &match)) == NULL) |
9806 | continue; | |
d62a17ae | 9807 | |
ea47320b DL |
9808 | if (prefix_check |
9809 | && rm->p.prefixlen != match.prefixlen) { | |
9810 | bgp_unlock_node(rm); | |
9811 | continue; | |
9812 | } | |
d62a17ae | 9813 | |
44c69747 LK |
9814 | bgp_show_path_info((struct prefix_rd *)&rn->p, rm, |
9815 | vty, bgp, afi, safi, json, | |
9816 | pathtype, &display); | |
9817 | ||
9818 | bgp_unlock_node(rm); | |
9819 | } | |
9820 | } else if (safi == SAFI_EVPN) { | |
9821 | struct bgp_node *longest_pfx; | |
9822 | bool is_exact_pfxlen_match = FALSE; | |
9823 | ||
9824 | for (rn = bgp_table_top(rib); rn; rn = bgp_route_next(rn)) { | |
9825 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
9826 | continue; | |
9827 | table = bgp_node_get_bgp_table_info(rn); | |
9828 | if (!table) | |
9829 | continue; | |
9830 | ||
9831 | longest_pfx = NULL; | |
9832 | is_exact_pfxlen_match = FALSE; | |
9833 | /* | |
9834 | * Search through all the prefixes for a match. The | |
9835 | * pfx's are enumerated in ascending order of pfxlens. | |
9836 | * So, the last pfx match is the longest match. Set | |
9837 | * is_exact_pfxlen_match when we get exact pfxlen match | |
9838 | */ | |
9839 | for (rm = bgp_table_top(table); rm; | |
9840 | rm = bgp_route_next(rm)) { | |
9841 | /* | |
9842 | * Get prefixlen of the ip-prefix within type5 | |
9843 | * evpn route | |
9844 | */ | |
9845 | if (evpn_type5_prefix_match(&rm->p, | |
9846 | &match) && rm->info) { | |
9847 | longest_pfx = rm; | |
9848 | int type5_pfxlen = | |
9849 | bgp_evpn_get_type5_prefixlen(&rm->p); | |
9850 | if (type5_pfxlen == match.prefixlen) { | |
9851 | is_exact_pfxlen_match = TRUE; | |
9852 | bgp_unlock_node(rm); | |
9853 | break; | |
9854 | } | |
d62a17ae | 9855 | } |
9856 | } | |
ea47320b | 9857 | |
44c69747 LK |
9858 | if (!longest_pfx) |
9859 | continue; | |
9860 | ||
9861 | if (prefix_check && !is_exact_pfxlen_match) | |
9862 | continue; | |
9863 | ||
9864 | rm = longest_pfx; | |
9865 | bgp_lock_node(rm); | |
9866 | ||
9867 | bgp_show_path_info((struct prefix_rd *)&rn->p, rm, | |
9868 | vty, bgp, afi, safi, json, | |
9869 | pathtype, &display); | |
9870 | ||
ea47320b | 9871 | bgp_unlock_node(rm); |
d62a17ae | 9872 | } |
98a9dbc7 | 9873 | } else if (safi == SAFI_FLOWSPEC) { |
44c69747 LK |
9874 | if (use_json) |
9875 | json_paths = json_object_new_array(); | |
9876 | ||
63a0b7a9 PG |
9877 | display = bgp_flowspec_display_match_per_ip(afi, rib, |
9878 | &match, prefix_check, | |
9879 | vty, | |
9880 | use_json, | |
9881 | json_paths); | |
44c69747 LK |
9882 | if (use_json && display) |
9883 | json_object_object_add(json, "paths", json_paths); | |
d62a17ae | 9884 | } else { |
d62a17ae | 9885 | if ((rn = bgp_node_match(rib, &match)) != NULL) { |
9886 | if (!prefix_check | |
9887 | || rn->p.prefixlen == match.prefixlen) { | |
44c69747 LK |
9888 | bgp_show_path_info(NULL, rn, vty, bgp, afi, |
9889 | safi, json, | |
9890 | pathtype, &display); | |
d62a17ae | 9891 | } |
9892 | ||
9893 | bgp_unlock_node(rn); | |
9894 | } | |
9895 | } | |
e5eee9af | 9896 | |
d62a17ae | 9897 | if (use_json) { |
996c9314 | 9898 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
44c69747 LK |
9899 | json, JSON_C_TO_STRING_PRETTY | |
9900 | JSON_C_TO_STRING_NOSLASHESCAPE)); | |
d62a17ae | 9901 | json_object_free(json); |
9902 | } else { | |
9903 | if (!display) { | |
9904 | vty_out(vty, "%% Network not in table\n"); | |
9905 | return CMD_WARNING; | |
9906 | } | |
9907 | } | |
b05a1c8b | 9908 | |
d62a17ae | 9909 | return CMD_SUCCESS; |
718e3744 | 9910 | } |
9911 | ||
fee0f4c6 | 9912 | /* Display specified route of Main RIB */ |
d62a17ae | 9913 | static int bgp_show_route(struct vty *vty, struct bgp *bgp, const char *ip_str, |
9914 | afi_t afi, safi_t safi, struct prefix_rd *prd, | |
9915 | int prefix_check, enum bgp_path_type pathtype, | |
9f049418 | 9916 | bool use_json) |
d62a17ae | 9917 | { |
9b86009a | 9918 | if (!bgp) { |
d62a17ae | 9919 | bgp = bgp_get_default(); |
9b86009a RW |
9920 | if (!bgp) { |
9921 | if (!use_json) | |
9922 | vty_out(vty, "No BGP process is configured\n"); | |
16307668 RW |
9923 | else |
9924 | vty_out(vty, "{}\n"); | |
9b86009a RW |
9925 | return CMD_WARNING; |
9926 | } | |
9927 | } | |
d62a17ae | 9928 | |
9929 | /* labeled-unicast routes live in the unicast table */ | |
9930 | if (safi == SAFI_LABELED_UNICAST) | |
9931 | safi = SAFI_UNICAST; | |
9932 | ||
9933 | return bgp_show_route_in_table(vty, bgp, bgp->rib[afi][safi], ip_str, | |
9934 | afi, safi, prd, prefix_check, pathtype, | |
9935 | use_json); | |
9936 | } | |
9937 | ||
9938 | static int bgp_show_lcommunity(struct vty *vty, struct bgp *bgp, int argc, | |
36a206db | 9939 | struct cmd_token **argv, bool exact, afi_t afi, |
9940 | safi_t safi, bool uj) | |
d62a17ae | 9941 | { |
9942 | struct lcommunity *lcom; | |
9943 | struct buffer *b; | |
9944 | int i; | |
9945 | char *str; | |
9946 | int first = 0; | |
9947 | ||
9948 | b = buffer_new(1024); | |
9949 | for (i = 0; i < argc; i++) { | |
9950 | if (first) | |
9951 | buffer_putc(b, ' '); | |
9952 | else { | |
9953 | if (strmatch(argv[i]->text, "AA:BB:CC")) { | |
9954 | first = 1; | |
9955 | buffer_putstr(b, argv[i]->arg); | |
9956 | } | |
9957 | } | |
9958 | } | |
9959 | buffer_putc(b, '\0'); | |
57d187bc | 9960 | |
d62a17ae | 9961 | str = buffer_getstr(b); |
9962 | buffer_free(b); | |
57d187bc | 9963 | |
d62a17ae | 9964 | lcom = lcommunity_str2com(str); |
9965 | XFREE(MTYPE_TMP, str); | |
9966 | if (!lcom) { | |
9967 | vty_out(vty, "%% Large-community malformed\n"); | |
9968 | return CMD_WARNING; | |
9969 | } | |
57d187bc | 9970 | |
36a206db | 9971 | return bgp_show(vty, bgp, afi, safi, |
9972 | (exact ? bgp_show_type_lcommunity_exact | |
9973 | : bgp_show_type_lcommunity), | |
9974 | lcom, uj); | |
57d187bc JS |
9975 | } |
9976 | ||
d62a17ae | 9977 | static int bgp_show_lcommunity_list(struct vty *vty, struct bgp *bgp, |
36a206db | 9978 | const char *lcom, bool exact, afi_t afi, |
9979 | safi_t safi, bool uj) | |
57d187bc | 9980 | { |
d62a17ae | 9981 | struct community_list *list; |
57d187bc | 9982 | |
e237b0d2 | 9983 | list = community_list_lookup(bgp_clist, lcom, 0, |
d62a17ae | 9984 | LARGE_COMMUNITY_LIST_MASTER); |
9985 | if (list == NULL) { | |
9986 | vty_out(vty, "%% %s is not a valid large-community-list name\n", | |
9987 | lcom); | |
9988 | return CMD_WARNING; | |
9989 | } | |
57d187bc | 9990 | |
36a206db | 9991 | return bgp_show(vty, bgp, afi, safi, |
9992 | (exact ? bgp_show_type_lcommunity_list_exact | |
9993 | : bgp_show_type_lcommunity_list), | |
d62a17ae | 9994 | list, uj); |
fee0f4c6 | 9995 | } |
9996 | ||
52951b63 DS |
9997 | DEFUN (show_ip_bgp_large_community_list, |
9998 | show_ip_bgp_large_community_list_cmd, | |
36a206db | 9999 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] large-community-list <(1-500)|WORD> [exact-match] [json]", |
52951b63 DS |
10000 | SHOW_STR |
10001 | IP_STR | |
10002 | BGP_STR | |
10003 | BGP_INSTANCE_HELP_STR | |
9bedbb1e | 10004 | BGP_AFI_HELP_STR |
4dd6177e | 10005 | BGP_SAFI_WITH_LABEL_HELP_STR |
52951b63 DS |
10006 | "Display routes matching the large-community-list\n" |
10007 | "large-community-list number\n" | |
10008 | "large-community-list name\n" | |
36a206db | 10009 | "Exact match of the large-communities\n" |
52951b63 DS |
10010 | JSON_STR) |
10011 | { | |
d62a17ae | 10012 | char *vrf = NULL; |
10013 | afi_t afi = AFI_IP6; | |
10014 | safi_t safi = SAFI_UNICAST; | |
10015 | int idx = 0; | |
36a206db | 10016 | bool exact_match = 0; |
d62a17ae | 10017 | |
10018 | if (argv_find(argv, argc, "ip", &idx)) | |
10019 | afi = AFI_IP; | |
10020 | if (argv_find(argv, argc, "view", &idx) | |
10021 | || argv_find(argv, argc, "vrf", &idx)) | |
10022 | vrf = argv[++idx]->arg; | |
10023 | if (argv_find(argv, argc, "ipv4", &idx) | |
10024 | || argv_find(argv, argc, "ipv6", &idx)) { | |
10025 | afi = strmatch(argv[idx]->text, "ipv6") ? AFI_IP6 : AFI_IP; | |
10026 | if (argv_find(argv, argc, "unicast", &idx) | |
10027 | || argv_find(argv, argc, "multicast", &idx)) | |
10028 | safi = bgp_vty_safi_from_str(argv[idx]->text); | |
10029 | } | |
10030 | ||
9f049418 | 10031 | bool uj = use_json(argc, argv); |
d62a17ae | 10032 | |
10033 | struct bgp *bgp = bgp_lookup_by_name(vrf); | |
10034 | if (bgp == NULL) { | |
10035 | vty_out(vty, "Can't find BGP instance %s\n", vrf); | |
10036 | return CMD_WARNING; | |
10037 | } | |
10038 | ||
10039 | argv_find(argv, argc, "large-community-list", &idx); | |
36a206db | 10040 | |
10041 | const char *clist_number_or_name = argv[++idx]->arg; | |
10042 | ||
10043 | if (++idx < argc && strmatch(argv[idx]->text, "exact-match")) | |
10044 | exact_match = 1; | |
10045 | ||
10046 | return bgp_show_lcommunity_list(vty, bgp, clist_number_or_name, | |
10047 | exact_match, afi, safi, uj); | |
52951b63 DS |
10048 | } |
10049 | DEFUN (show_ip_bgp_large_community, | |
10050 | show_ip_bgp_large_community_cmd, | |
36a206db | 10051 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] large-community [<AA:BB:CC> [exact-match]] [json]", |
52951b63 DS |
10052 | SHOW_STR |
10053 | IP_STR | |
10054 | BGP_STR | |
10055 | BGP_INSTANCE_HELP_STR | |
9bedbb1e | 10056 | BGP_AFI_HELP_STR |
4dd6177e | 10057 | BGP_SAFI_WITH_LABEL_HELP_STR |
52951b63 DS |
10058 | "Display routes matching the large-communities\n" |
10059 | "List of large-community numbers\n" | |
36a206db | 10060 | "Exact match of the large-communities\n" |
52951b63 DS |
10061 | JSON_STR) |
10062 | { | |
d62a17ae | 10063 | char *vrf = NULL; |
10064 | afi_t afi = AFI_IP6; | |
10065 | safi_t safi = SAFI_UNICAST; | |
10066 | int idx = 0; | |
36a206db | 10067 | bool exact_match = 0; |
d62a17ae | 10068 | |
10069 | if (argv_find(argv, argc, "ip", &idx)) | |
10070 | afi = AFI_IP; | |
10071 | if (argv_find(argv, argc, "view", &idx) | |
10072 | || argv_find(argv, argc, "vrf", &idx)) | |
10073 | vrf = argv[++idx]->arg; | |
10074 | if (argv_find(argv, argc, "ipv4", &idx) | |
10075 | || argv_find(argv, argc, "ipv6", &idx)) { | |
10076 | afi = strmatch(argv[idx]->text, "ipv6") ? AFI_IP6 : AFI_IP; | |
10077 | if (argv_find(argv, argc, "unicast", &idx) | |
10078 | || argv_find(argv, argc, "multicast", &idx)) | |
10079 | safi = bgp_vty_safi_from_str(argv[idx]->text); | |
10080 | } | |
10081 | ||
9f049418 | 10082 | bool uj = use_json(argc, argv); |
d62a17ae | 10083 | |
10084 | struct bgp *bgp = bgp_lookup_by_name(vrf); | |
10085 | if (bgp == NULL) { | |
10086 | vty_out(vty, "Can't find BGP instance %s\n", vrf); | |
10087 | return CMD_WARNING; | |
10088 | } | |
10089 | ||
36a206db | 10090 | if (argv_find(argv, argc, "AA:BB:CC", &idx)) { |
10091 | if (argv_find(argv, argc, "exact-match", &idx)) | |
10092 | exact_match = 1; | |
10093 | return bgp_show_lcommunity(vty, bgp, argc, argv, | |
10094 | exact_match, afi, safi, uj); | |
10095 | } else | |
d62a17ae | 10096 | return bgp_show(vty, bgp, afi, safi, |
10097 | bgp_show_type_lcommunity_all, NULL, uj); | |
52951b63 DS |
10098 | } |
10099 | ||
d62a17ae | 10100 | static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi, |
10101 | safi_t safi); | |
e01ca200 | 10102 | |
7b2ff250 DW |
10103 | |
10104 | /* BGP route print out function without JSON */ | |
af462945 DS |
10105 | DEFUN (show_ip_bgp, |
10106 | show_ip_bgp_cmd, | |
4dd6177e | 10107 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]\ |
7b2ff250 DW |
10108 | <dampening <parameters>\ |
10109 | |route-map WORD\ | |
10110 | |prefix-list WORD\ | |
10111 | |filter-list WORD\ | |
10112 | |statistics\ | |
7b2ff250 DW |
10113 | |community-list <(1-500)|WORD> [exact-match]\ |
10114 | |A.B.C.D/M longer-prefixes\ | |
10115 | |X:X::X:X/M longer-prefixes\ | |
10116 | >", | |
718e3744 | 10117 | SHOW_STR |
10118 | IP_STR | |
10119 | BGP_STR | |
a636c635 | 10120 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10121 | BGP_AFI_HELP_STR |
4dd6177e | 10122 | BGP_SAFI_WITH_LABEL_HELP_STR |
a636c635 | 10123 | "Display detailed information about dampening\n" |
af462945 | 10124 | "Display detail of configured dampening parameters\n" |
a636c635 DW |
10125 | "Display routes matching the route-map\n" |
10126 | "A route-map to match on\n" | |
10127 | "Display routes conforming to the prefix-list\n" | |
8c3deaae | 10128 | "Prefix-list name\n" |
a636c635 DW |
10129 | "Display routes conforming to the filter-list\n" |
10130 | "Regular expression access list name\n" | |
e01ca200 | 10131 | "BGP RIB advertisement statistics\n" |
a636c635 DW |
10132 | "Display routes matching the community-list\n" |
10133 | "community-list number\n" | |
10134 | "community-list name\n" | |
10135 | "Exact match of the communities\n" | |
0c7b1b01 | 10136 | "IPv4 prefix\n" |
8c3deaae | 10137 | "Display route and more specific routes\n" |
0c7b1b01 | 10138 | "IPv6 prefix\n" |
7b2ff250 | 10139 | "Display route and more specific routes\n") |
718e3744 | 10140 | { |
d62a17ae | 10141 | afi_t afi = AFI_IP6; |
10142 | safi_t safi = SAFI_UNICAST; | |
10143 | int exact_match = 0; | |
d62a17ae | 10144 | struct bgp *bgp = NULL; |
10145 | int idx = 0; | |
10146 | ||
10147 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10148 | &bgp, false); |
d62a17ae | 10149 | if (!idx) |
10150 | return CMD_WARNING; | |
10151 | ||
d62a17ae | 10152 | if (argv_find(argv, argc, "dampening", &idx)) { |
7b2ff250 | 10153 | if (argv_find(argv, argc, "parameters", &idx)) |
d62a17ae | 10154 | return bgp_show_dampening_parameters(vty, afi, safi); |
10155 | } | |
c016b6c7 | 10156 | |
d62a17ae | 10157 | if (argv_find(argv, argc, "prefix-list", &idx)) |
10158 | return bgp_show_prefix_list(vty, bgp, argv[idx + 1]->arg, afi, | |
10159 | safi, bgp_show_type_prefix_list); | |
10160 | ||
10161 | if (argv_find(argv, argc, "filter-list", &idx)) | |
10162 | return bgp_show_filter_list(vty, bgp, argv[idx + 1]->arg, afi, | |
10163 | safi, bgp_show_type_filter_list); | |
10164 | ||
10165 | if (argv_find(argv, argc, "statistics", &idx)) | |
10166 | return bgp_table_stats(vty, bgp, afi, safi); | |
10167 | ||
10168 | if (argv_find(argv, argc, "route-map", &idx)) | |
10169 | return bgp_show_route_map(vty, bgp, argv[idx + 1]->arg, afi, | |
10170 | safi, bgp_show_type_route_map); | |
10171 | ||
d62a17ae | 10172 | if (argv_find(argv, argc, "community-list", &idx)) { |
10173 | const char *clist_number_or_name = argv[++idx]->arg; | |
10174 | if (++idx < argc && strmatch(argv[idx]->text, "exact-match")) | |
10175 | exact_match = 1; | |
10176 | return bgp_show_community_list(vty, bgp, clist_number_or_name, | |
10177 | exact_match, afi, safi); | |
10178 | } | |
10179 | /* prefix-longer */ | |
10180 | if (argv_find(argv, argc, "A.B.C.D/M", &idx) | |
10181 | || argv_find(argv, argc, "X:X::X:X/M", &idx)) | |
10182 | return bgp_show_prefix_longer(vty, bgp, argv[idx]->arg, afi, | |
10183 | safi, | |
10184 | bgp_show_type_prefix_longer); | |
10185 | ||
7b2ff250 DW |
10186 | return CMD_WARNING; |
10187 | } | |
10188 | ||
10189 | /* BGP route print out function with JSON */ | |
10190 | DEFUN (show_ip_bgp_json, | |
10191 | show_ip_bgp_json_cmd, | |
10192 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]\ | |
cf4898bc QY |
10193 | [cidr-only\ |
10194 | |dampening <flap-statistics|dampened-paths>\ | |
10195 | |community [AA:NN|local-AS|no-advertise|no-export\ | |
10196 | |graceful-shutdown|no-peer|blackhole|llgr-stale|no-llgr\ | |
10197 | |accept-own|accept-own-nexthop|route-filter-v6\ | |
10198 | |route-filter-v4|route-filter-translated-v6\ | |
10199 | |route-filter-translated-v4] [exact-match]\ | |
10200 | ] [json]", | |
7b2ff250 DW |
10201 | SHOW_STR |
10202 | IP_STR | |
10203 | BGP_STR | |
10204 | BGP_INSTANCE_HELP_STR | |
10205 | BGP_AFI_HELP_STR | |
10206 | BGP_SAFI_WITH_LABEL_HELP_STR | |
10207 | "Display only routes with non-natural netmasks\n" | |
10208 | "Display detailed information about dampening\n" | |
10209 | "Display flap statistics of routes\n" | |
10210 | "Display paths suppressed due to dampening\n" | |
10211 | "Display routes matching the communities\n" | |
d0086e8e AD |
10212 | COMMUNITY_AANN_STR |
10213 | "Do not send outside local AS (well-known community)\n" | |
10214 | "Do not advertise to any peer (well-known community)\n" | |
10215 | "Do not export to next AS (well-known community)\n" | |
10216 | "Graceful shutdown (well-known community)\n" | |
cf4898bc QY |
10217 | "Do not export to any peer (well-known community)\n" |
10218 | "Inform EBGP peers to blackhole traffic to prefix (well-known community)\n" | |
10219 | "Staled Long-lived Graceful Restart VPN route (well-known community)\n" | |
10220 | "Removed because Long-lived Graceful Restart was not enabled for VPN route (well-known community)\n" | |
10221 | "Should accept local VPN route if exported and imported into different VRF (well-known community)\n" | |
10222 | "Should accept VPN route with local nexthop (well-known community)\n" | |
10223 | "RT VPNv6 route filtering (well-known community)\n" | |
10224 | "RT VPNv4 route filtering (well-known community)\n" | |
10225 | "RT translated VPNv6 route filtering (well-known community)\n" | |
10226 | "RT translated VPNv4 route filtering (well-known community)\n" | |
d0086e8e | 10227 | "Exact match of the communities\n" |
7b2ff250 DW |
10228 | JSON_STR) |
10229 | { | |
10230 | afi_t afi = AFI_IP6; | |
10231 | safi_t safi = SAFI_UNICAST; | |
10232 | enum bgp_show_type sh_type = bgp_show_type_normal; | |
10233 | struct bgp *bgp = NULL; | |
10234 | int idx = 0; | |
d0086e8e | 10235 | int exact_match = 0; |
9f049418 DS |
10236 | bool uj = use_json(argc, argv); |
10237 | ||
10238 | if (uj) | |
10239 | argc--; | |
7b2ff250 DW |
10240 | |
10241 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10242 | &bgp, uj); |
7b2ff250 DW |
10243 | if (!idx) |
10244 | return CMD_WARNING; | |
10245 | ||
7b2ff250 DW |
10246 | if (argv_find(argv, argc, "cidr-only", &idx)) |
10247 | return bgp_show(vty, bgp, afi, safi, bgp_show_type_cidr_only, | |
10248 | NULL, uj); | |
10249 | ||
10250 | if (argv_find(argv, argc, "dampening", &idx)) { | |
10251 | if (argv_find(argv, argc, "dampened-paths", &idx)) | |
10252 | return bgp_show(vty, bgp, afi, safi, | |
10253 | bgp_show_type_dampend_paths, NULL, uj); | |
10254 | else if (argv_find(argv, argc, "flap-statistics", &idx)) | |
10255 | return bgp_show(vty, bgp, afi, safi, | |
10256 | bgp_show_type_flap_statistics, NULL, | |
10257 | uj); | |
10258 | } | |
10259 | ||
10260 | if (argv_find(argv, argc, "community", &idx)) { | |
79bc257a | 10261 | char *maybecomm = NULL; |
cf4898bc | 10262 | char *community = NULL; |
d0086e8e | 10263 | |
79bc257a RW |
10264 | if (idx + 1 < argc) { |
10265 | if (argv[idx + 1]->type == VARIABLE_TKN) | |
10266 | maybecomm = argv[idx + 1]->arg; | |
10267 | else | |
10268 | maybecomm = argv[idx + 1]->text; | |
10269 | } | |
10270 | ||
cf4898bc QY |
10271 | if (maybecomm && !strmatch(maybecomm, "json") |
10272 | && !strmatch(maybecomm, "exact-match")) | |
10273 | community = maybecomm; | |
d0086e8e | 10274 | |
cf4898bc QY |
10275 | if (argv_find(argv, argc, "exact-match", &idx)) |
10276 | exact_match = 1; | |
d0086e8e | 10277 | |
cf4898bc QY |
10278 | if (community) |
10279 | return bgp_show_community(vty, bgp, community, | |
10280 | exact_match, afi, safi, uj); | |
10281 | else | |
d0086e8e | 10282 | return (bgp_show(vty, bgp, afi, safi, |
cf4898bc QY |
10283 | bgp_show_type_community_all, NULL, |
10284 | uj)); | |
7b2ff250 | 10285 | } |
d0086e8e | 10286 | |
1ae44dfc | 10287 | return bgp_show(vty, bgp, afi, safi, sh_type, NULL, uj); |
a636c635 | 10288 | } |
47fc97cc | 10289 | |
718e3744 | 10290 | DEFUN (show_ip_bgp_route, |
10291 | show_ip_bgp_route_cmd, | |
4dd6177e | 10292 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]" |
ae19d7dd | 10293 | "<A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> [<bestpath|multipath>] [json]", |
718e3744 | 10294 | SHOW_STR |
10295 | IP_STR | |
10296 | BGP_STR | |
a636c635 | 10297 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10298 | BGP_AFI_HELP_STR |
4dd6177e | 10299 | BGP_SAFI_WITH_LABEL_HELP_STR |
b05a1c8b | 10300 | "Network in the BGP routing table to display\n" |
0c7b1b01 | 10301 | "IPv4 prefix\n" |
8c3deaae | 10302 | "Network in the BGP routing table to display\n" |
0c7b1b01 | 10303 | "IPv6 prefix\n" |
4092b06c | 10304 | "Display only the bestpath\n" |
b05a1c8b | 10305 | "Display only multipaths\n" |
9973d184 | 10306 | JSON_STR) |
4092b06c | 10307 | { |
d62a17ae | 10308 | int prefix_check = 0; |
ae19d7dd | 10309 | |
d62a17ae | 10310 | afi_t afi = AFI_IP6; |
10311 | safi_t safi = SAFI_UNICAST; | |
10312 | char *prefix = NULL; | |
10313 | struct bgp *bgp = NULL; | |
10314 | enum bgp_path_type path_type; | |
9f049418 | 10315 | bool uj = use_json(argc, argv); |
b05a1c8b | 10316 | |
d62a17ae | 10317 | int idx = 0; |
ae19d7dd | 10318 | |
d62a17ae | 10319 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 10320 | &bgp, uj); |
d62a17ae | 10321 | if (!idx) |
10322 | return CMD_WARNING; | |
c41247f5 | 10323 | |
d62a17ae | 10324 | if (!bgp) { |
10325 | vty_out(vty, | |
10326 | "Specified 'all' vrf's but this command currently only works per view/vrf\n"); | |
10327 | return CMD_WARNING; | |
10328 | } | |
a636c635 | 10329 | |
d62a17ae | 10330 | /* <A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> */ |
10331 | if (argv_find(argv, argc, "A.B.C.D", &idx) | |
10332 | || argv_find(argv, argc, "X:X::X:X", &idx)) | |
10333 | prefix_check = 0; | |
10334 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx) | |
10335 | || argv_find(argv, argc, "X:X::X:X/M", &idx)) | |
10336 | prefix_check = 1; | |
10337 | ||
10338 | if ((argv[idx]->type == IPV6_TKN || argv[idx]->type == IPV6_PREFIX_TKN) | |
10339 | && afi != AFI_IP6) { | |
10340 | vty_out(vty, | |
10341 | "%% Cannot specify IPv6 address or prefix with IPv4 AFI\n"); | |
10342 | return CMD_WARNING; | |
10343 | } | |
10344 | if ((argv[idx]->type == IPV4_TKN || argv[idx]->type == IPV4_PREFIX_TKN) | |
10345 | && afi != AFI_IP) { | |
10346 | vty_out(vty, | |
10347 | "%% Cannot specify IPv4 address or prefix with IPv6 AFI\n"); | |
10348 | return CMD_WARNING; | |
10349 | } | |
10350 | ||
10351 | prefix = argv[idx]->arg; | |
10352 | ||
10353 | /* [<bestpath|multipath>] */ | |
10354 | if (argv_find(argv, argc, "bestpath", &idx)) | |
360660c6 | 10355 | path_type = BGP_PATH_SHOW_BESTPATH; |
d62a17ae | 10356 | else if (argv_find(argv, argc, "multipath", &idx)) |
360660c6 | 10357 | path_type = BGP_PATH_SHOW_MULTIPATH; |
d62a17ae | 10358 | else |
360660c6 | 10359 | path_type = BGP_PATH_SHOW_ALL; |
a636c635 | 10360 | |
d62a17ae | 10361 | return bgp_show_route(vty, bgp, prefix, afi, safi, NULL, prefix_check, |
10362 | path_type, uj); | |
4092b06c DS |
10363 | } |
10364 | ||
8c3deaae QY |
10365 | DEFUN (show_ip_bgp_regexp, |
10366 | show_ip_bgp_regexp_cmd, | |
4dd6177e | 10367 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] regexp REGEX...", |
8c3deaae QY |
10368 | SHOW_STR |
10369 | IP_STR | |
10370 | BGP_STR | |
b00b230a | 10371 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10372 | BGP_AFI_HELP_STR |
4dd6177e | 10373 | BGP_SAFI_WITH_LABEL_HELP_STR |
8c3deaae | 10374 | "Display routes matching the AS path regular expression\n" |
a818ea74 | 10375 | "A regular-expression (1234567890_^|[,{}() ]$*+.?-\\) to match the BGP AS paths\n") |
8c3deaae | 10376 | { |
d62a17ae | 10377 | afi_t afi = AFI_IP6; |
10378 | safi_t safi = SAFI_UNICAST; | |
10379 | struct bgp *bgp = NULL; | |
8c3deaae | 10380 | |
d62a17ae | 10381 | int idx = 0; |
10382 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10383 | &bgp, false); |
d62a17ae | 10384 | if (!idx) |
10385 | return CMD_WARNING; | |
8c3deaae | 10386 | |
d62a17ae | 10387 | // get index of regex |
10388 | argv_find(argv, argc, "regexp", &idx); | |
10389 | idx++; | |
8c3deaae | 10390 | |
d62a17ae | 10391 | char *regstr = argv_concat(argv, argc, idx); |
e889891d | 10392 | int rc = bgp_show_regexp(vty, bgp, (const char *)regstr, afi, safi, |
d62a17ae | 10393 | bgp_show_type_regexp); |
10394 | XFREE(MTYPE_TMP, regstr); | |
10395 | return rc; | |
8c3deaae QY |
10396 | } |
10397 | ||
a636c635 DW |
10398 | DEFUN (show_ip_bgp_instance_all, |
10399 | show_ip_bgp_instance_all_cmd, | |
4dd6177e | 10400 | "show [ip] bgp <view|vrf> all ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] [json]", |
4092b06c | 10401 | SHOW_STR |
a636c635 | 10402 | IP_STR |
4092b06c | 10403 | BGP_STR |
a636c635 | 10404 | BGP_INSTANCE_ALL_HELP_STR |
4f280b15 | 10405 | BGP_AFI_HELP_STR |
4dd6177e | 10406 | BGP_SAFI_WITH_LABEL_HELP_STR |
9973d184 | 10407 | JSON_STR) |
4092b06c | 10408 | { |
d62a17ae | 10409 | afi_t afi = AFI_IP; |
10410 | safi_t safi = SAFI_UNICAST; | |
10411 | struct bgp *bgp = NULL; | |
d62a17ae | 10412 | int idx = 0; |
9f049418 | 10413 | bool uj = use_json(argc, argv); |
ae19d7dd | 10414 | |
d62a17ae | 10415 | if (uj) |
10416 | argc--; | |
e3e29b32 | 10417 | |
9f049418 DS |
10418 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
10419 | &bgp, uj); | |
10420 | if (!idx) | |
10421 | return CMD_WARNING; | |
10422 | ||
d62a17ae | 10423 | bgp_show_all_instances_routes_vty(vty, afi, safi, uj); |
10424 | return CMD_SUCCESS; | |
e3e29b32 LB |
10425 | } |
10426 | ||
a4d82a8a PZ |
10427 | static int bgp_show_regexp(struct vty *vty, struct bgp *bgp, const char *regstr, |
10428 | afi_t afi, safi_t safi, enum bgp_show_type type) | |
718e3744 | 10429 | { |
d62a17ae | 10430 | regex_t *regex; |
10431 | int rc; | |
e3e29b32 | 10432 | |
c3900853 DA |
10433 | if (!config_bgp_aspath_validate(regstr)) { |
10434 | vty_out(vty, "Invalid character in as-path access-list %s\n", | |
10435 | regstr); | |
10436 | return CMD_WARNING_CONFIG_FAILED; | |
10437 | } | |
10438 | ||
d62a17ae | 10439 | regex = bgp_regcomp(regstr); |
10440 | if (!regex) { | |
10441 | vty_out(vty, "Can't compile regexp %s\n", regstr); | |
10442 | return CMD_WARNING; | |
10443 | } | |
a636c635 | 10444 | |
e889891d | 10445 | rc = bgp_show(vty, bgp, afi, safi, type, regex, 0); |
d62a17ae | 10446 | bgp_regex_free(regex); |
10447 | return rc; | |
e3e29b32 LB |
10448 | } |
10449 | ||
d62a17ae | 10450 | static int bgp_show_prefix_list(struct vty *vty, struct bgp *bgp, |
10451 | const char *prefix_list_str, afi_t afi, | |
10452 | safi_t safi, enum bgp_show_type type) | |
e3e29b32 | 10453 | { |
d62a17ae | 10454 | struct prefix_list *plist; |
718e3744 | 10455 | |
d62a17ae | 10456 | plist = prefix_list_lookup(afi, prefix_list_str); |
10457 | if (plist == NULL) { | |
10458 | vty_out(vty, "%% %s is not a valid prefix-list name\n", | |
10459 | prefix_list_str); | |
10460 | return CMD_WARNING; | |
10461 | } | |
718e3744 | 10462 | |
d62a17ae | 10463 | return bgp_show(vty, bgp, afi, safi, type, plist, 0); |
4092b06c DS |
10464 | } |
10465 | ||
d62a17ae | 10466 | static int bgp_show_filter_list(struct vty *vty, struct bgp *bgp, |
10467 | const char *filter, afi_t afi, safi_t safi, | |
10468 | enum bgp_show_type type) | |
4092b06c | 10469 | { |
d62a17ae | 10470 | struct as_list *as_list; |
718e3744 | 10471 | |
d62a17ae | 10472 | as_list = as_list_lookup(filter); |
10473 | if (as_list == NULL) { | |
10474 | vty_out(vty, "%% %s is not a valid AS-path access-list name\n", | |
10475 | filter); | |
10476 | return CMD_WARNING; | |
10477 | } | |
a636c635 | 10478 | |
d62a17ae | 10479 | return bgp_show(vty, bgp, afi, safi, type, as_list, 0); |
718e3744 | 10480 | } |
10481 | ||
d62a17ae | 10482 | static int bgp_show_route_map(struct vty *vty, struct bgp *bgp, |
10483 | const char *rmap_str, afi_t afi, safi_t safi, | |
10484 | enum bgp_show_type type) | |
718e3744 | 10485 | { |
d62a17ae | 10486 | struct route_map *rmap; |
bb46e94f | 10487 | |
d62a17ae | 10488 | rmap = route_map_lookup_by_name(rmap_str); |
10489 | if (!rmap) { | |
10490 | vty_out(vty, "%% %s is not a valid route-map name\n", rmap_str); | |
10491 | return CMD_WARNING; | |
10492 | } | |
10493 | ||
10494 | return bgp_show(vty, bgp, afi, safi, type, rmap, 0); | |
10495 | } | |
10496 | ||
7f323236 DW |
10497 | static int bgp_show_community(struct vty *vty, struct bgp *bgp, |
10498 | const char *comstr, int exact, afi_t afi, | |
9f049418 | 10499 | safi_t safi, bool use_json) |
d62a17ae | 10500 | { |
10501 | struct community *com; | |
d62a17ae | 10502 | int ret = 0; |
10503 | ||
7f323236 | 10504 | com = community_str2com(comstr); |
d62a17ae | 10505 | if (!com) { |
7f323236 | 10506 | vty_out(vty, "%% Community malformed: %s\n", comstr); |
d62a17ae | 10507 | return CMD_WARNING; |
10508 | } | |
10509 | ||
10510 | ret = bgp_show(vty, bgp, afi, safi, | |
10511 | (exact ? bgp_show_type_community_exact | |
10512 | : bgp_show_type_community), | |
d0086e8e | 10513 | com, use_json); |
3c1f53de | 10514 | community_free(&com); |
46c3ce83 | 10515 | |
d62a17ae | 10516 | return ret; |
718e3744 | 10517 | } |
10518 | ||
d62a17ae | 10519 | static int bgp_show_community_list(struct vty *vty, struct bgp *bgp, |
10520 | const char *com, int exact, afi_t afi, | |
10521 | safi_t safi) | |
50ef26d4 | 10522 | { |
d62a17ae | 10523 | struct community_list *list; |
50ef26d4 | 10524 | |
e237b0d2 | 10525 | list = community_list_lookup(bgp_clist, com, 0, COMMUNITY_LIST_MASTER); |
d62a17ae | 10526 | if (list == NULL) { |
10527 | vty_out(vty, "%% %s is not a valid community-list name\n", com); | |
10528 | return CMD_WARNING; | |
10529 | } | |
718e3744 | 10530 | |
d62a17ae | 10531 | return bgp_show(vty, bgp, afi, safi, |
10532 | (exact ? bgp_show_type_community_list_exact | |
10533 | : bgp_show_type_community_list), | |
10534 | list, 0); | |
50ef26d4 | 10535 | } |
10536 | ||
d62a17ae | 10537 | static int bgp_show_prefix_longer(struct vty *vty, struct bgp *bgp, |
10538 | const char *prefix, afi_t afi, safi_t safi, | |
10539 | enum bgp_show_type type) | |
718e3744 | 10540 | { |
d62a17ae | 10541 | int ret; |
10542 | struct prefix *p; | |
47fc97cc | 10543 | |
d62a17ae | 10544 | p = prefix_new(); |
95cbbd2a | 10545 | |
d62a17ae | 10546 | ret = str2prefix(prefix, p); |
10547 | if (!ret) { | |
10548 | vty_out(vty, "%% Malformed Prefix\n"); | |
10549 | return CMD_WARNING; | |
10550 | } | |
47e9b292 | 10551 | |
d62a17ae | 10552 | ret = bgp_show(vty, bgp, afi, safi, type, p, 0); |
63265b5c | 10553 | prefix_free(&p); |
d62a17ae | 10554 | return ret; |
10555 | } | |
10556 | ||
d62a17ae | 10557 | enum bgp_stats { |
10558 | BGP_STATS_MAXBITLEN = 0, | |
10559 | BGP_STATS_RIB, | |
10560 | BGP_STATS_PREFIXES, | |
10561 | BGP_STATS_TOTPLEN, | |
10562 | BGP_STATS_UNAGGREGATEABLE, | |
10563 | BGP_STATS_MAX_AGGREGATEABLE, | |
10564 | BGP_STATS_AGGREGATES, | |
10565 | BGP_STATS_SPACE, | |
10566 | BGP_STATS_ASPATH_COUNT, | |
10567 | BGP_STATS_ASPATH_MAXHOPS, | |
10568 | BGP_STATS_ASPATH_TOTHOPS, | |
10569 | BGP_STATS_ASPATH_MAXSIZE, | |
10570 | BGP_STATS_ASPATH_TOTSIZE, | |
10571 | BGP_STATS_ASN_HIGHEST, | |
10572 | BGP_STATS_MAX, | |
a636c635 | 10573 | }; |
2815e61f | 10574 | |
d62a17ae | 10575 | static const char *table_stats_strs[] = { |
9d303b37 DL |
10576 | [BGP_STATS_PREFIXES] = "Total Prefixes", |
10577 | [BGP_STATS_TOTPLEN] = "Average prefix length", | |
10578 | [BGP_STATS_RIB] = "Total Advertisements", | |
10579 | [BGP_STATS_UNAGGREGATEABLE] = "Unaggregateable prefixes", | |
10580 | [BGP_STATS_MAX_AGGREGATEABLE] = | |
10581 | "Maximum aggregateable prefixes", | |
10582 | [BGP_STATS_AGGREGATES] = "BGP Aggregate advertisements", | |
10583 | [BGP_STATS_SPACE] = "Address space advertised", | |
10584 | [BGP_STATS_ASPATH_COUNT] = "Advertisements with paths", | |
10585 | [BGP_STATS_ASPATH_MAXHOPS] = "Longest AS-Path (hops)", | |
10586 | [BGP_STATS_ASPATH_MAXSIZE] = "Largest AS-Path (bytes)", | |
10587 | [BGP_STATS_ASPATH_TOTHOPS] = "Average AS-Path length (hops)", | |
10588 | [BGP_STATS_ASPATH_TOTSIZE] = "Average AS-Path size (bytes)", | |
10589 | [BGP_STATS_ASN_HIGHEST] = "Highest public ASN", | |
10590 | [BGP_STATS_MAX] = NULL, | |
a636c635 | 10591 | }; |
2815e61f | 10592 | |
d62a17ae | 10593 | struct bgp_table_stats { |
10594 | struct bgp_table *table; | |
10595 | unsigned long long counts[BGP_STATS_MAX]; | |
8d0ab76d | 10596 | double total_space; |
ff7924f6 PJ |
10597 | }; |
10598 | ||
a636c635 DW |
10599 | #if 0 |
10600 | #define TALLY_SIGFIG 100000 | |
10601 | static unsigned long | |
10602 | ravg_tally (unsigned long count, unsigned long oldavg, unsigned long newval) | |
ff7924f6 | 10603 | { |
a636c635 DW |
10604 | unsigned long newtot = (count-1) * oldavg + (newval * TALLY_SIGFIG); |
10605 | unsigned long res = (newtot * TALLY_SIGFIG) / count; | |
10606 | unsigned long ret = newtot / count; | |
07d0c4ed | 10607 | |
a636c635 DW |
10608 | if ((res % TALLY_SIGFIG) > (TALLY_SIGFIG/2)) |
10609 | return ret + 1; | |
10610 | else | |
10611 | return ret; | |
10612 | } | |
10613 | #endif | |
ff7924f6 | 10614 | |
9c14ec72 RW |
10615 | static void bgp_table_stats_rn(struct bgp_node *rn, struct bgp_node *top, |
10616 | struct bgp_table_stats *ts, unsigned int space) | |
2815e61f | 10617 | { |
9c14ec72 RW |
10618 | struct bgp_node *prn = bgp_node_parent_nolock(rn); |
10619 | struct bgp_path_info *pi; | |
d62a17ae | 10620 | |
9c14ec72 RW |
10621 | if (rn == top) |
10622 | return; | |
d62a17ae | 10623 | |
9c14ec72 RW |
10624 | if (!bgp_node_has_bgp_path_info_data(rn)) |
10625 | return; | |
d62a17ae | 10626 | |
9c14ec72 RW |
10627 | ts->counts[BGP_STATS_PREFIXES]++; |
10628 | ts->counts[BGP_STATS_TOTPLEN] += rn->p.prefixlen; | |
ff7924f6 | 10629 | |
a636c635 DW |
10630 | #if 0 |
10631 | ts->counts[BGP_STATS_AVGPLEN] | |
10632 | = ravg_tally (ts->counts[BGP_STATS_PREFIXES], | |
10633 | ts->counts[BGP_STATS_AVGPLEN], | |
10634 | rn->p.prefixlen); | |
10635 | #endif | |
d62a17ae | 10636 | |
9c14ec72 RW |
10637 | /* check if the prefix is included by any other announcements */ |
10638 | while (prn && !bgp_node_has_bgp_path_info_data(prn)) | |
10639 | prn = bgp_node_parent_nolock(prn); | |
d62a17ae | 10640 | |
9c14ec72 RW |
10641 | if (prn == NULL || prn == top) { |
10642 | ts->counts[BGP_STATS_UNAGGREGATEABLE]++; | |
10643 | /* announced address space */ | |
10644 | if (space) | |
10645 | ts->total_space += pow(2.0, space - rn->p.prefixlen); | |
10646 | } else if (bgp_node_has_bgp_path_info_data(prn)) | |
10647 | ts->counts[BGP_STATS_MAX_AGGREGATEABLE]++; | |
d62a17ae | 10648 | |
9c14ec72 RW |
10649 | |
10650 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { | |
10651 | ts->counts[BGP_STATS_RIB]++; | |
10652 | ||
05864da7 DS |
10653 | if (CHECK_FLAG(pi->attr->flag, |
10654 | ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE))) | |
9c14ec72 RW |
10655 | ts->counts[BGP_STATS_AGGREGATES]++; |
10656 | ||
10657 | /* as-path stats */ | |
05864da7 | 10658 | if (pi->attr->aspath) { |
9c14ec72 RW |
10659 | unsigned int hops = aspath_count_hops(pi->attr->aspath); |
10660 | unsigned int size = aspath_size(pi->attr->aspath); | |
10661 | as_t highest = aspath_highest(pi->attr->aspath); | |
10662 | ||
10663 | ts->counts[BGP_STATS_ASPATH_COUNT]++; | |
10664 | ||
10665 | if (hops > ts->counts[BGP_STATS_ASPATH_MAXHOPS]) | |
10666 | ts->counts[BGP_STATS_ASPATH_MAXHOPS] = hops; | |
10667 | ||
10668 | if (size > ts->counts[BGP_STATS_ASPATH_MAXSIZE]) | |
10669 | ts->counts[BGP_STATS_ASPATH_MAXSIZE] = size; | |
10670 | ||
10671 | ts->counts[BGP_STATS_ASPATH_TOTHOPS] += hops; | |
10672 | ts->counts[BGP_STATS_ASPATH_TOTSIZE] += size; | |
a636c635 | 10673 | #if 0 |
07d0c4ed | 10674 | ts->counts[BGP_STATS_ASPATH_AVGHOPS] |
a636c635 DW |
10675 | = ravg_tally (ts->counts[BGP_STATS_ASPATH_COUNT], |
10676 | ts->counts[BGP_STATS_ASPATH_AVGHOPS], | |
10677 | hops); | |
10678 | ts->counts[BGP_STATS_ASPATH_AVGSIZE] | |
10679 | = ravg_tally (ts->counts[BGP_STATS_ASPATH_COUNT], | |
10680 | ts->counts[BGP_STATS_ASPATH_AVGSIZE], | |
10681 | size); | |
10682 | #endif | |
9c14ec72 RW |
10683 | if (highest > ts->counts[BGP_STATS_ASN_HIGHEST]) |
10684 | ts->counts[BGP_STATS_ASN_HIGHEST] = highest; | |
10685 | } | |
10686 | } | |
10687 | } | |
10688 | ||
10689 | static int bgp_table_stats_walker(struct thread *t) | |
10690 | { | |
10691 | struct bgp_node *rn, *nrn; | |
10692 | struct bgp_node *top; | |
10693 | struct bgp_table_stats *ts = THREAD_ARG(t); | |
10694 | unsigned int space = 0; | |
10695 | ||
10696 | if (!(top = bgp_table_top(ts->table))) | |
10697 | return 0; | |
10698 | ||
10699 | switch (ts->table->afi) { | |
10700 | case AFI_IP: | |
10701 | space = IPV4_MAX_BITLEN; | |
10702 | break; | |
10703 | case AFI_IP6: | |
10704 | space = IPV6_MAX_BITLEN; | |
10705 | break; | |
10706 | default: | |
10707 | return 0; | |
10708 | } | |
10709 | ||
10710 | ts->counts[BGP_STATS_MAXBITLEN] = space; | |
10711 | ||
10712 | for (rn = top; rn; rn = bgp_route_next(rn)) { | |
10713 | if (ts->table->safi == SAFI_MPLS_VPN) { | |
10714 | struct bgp_table *table; | |
10715 | ||
10716 | table = bgp_node_get_bgp_table_info(rn); | |
10717 | if (!table) | |
10718 | continue; | |
10719 | ||
10720 | top = bgp_table_top(table); | |
10721 | for (nrn = bgp_table_top(table); nrn; | |
10722 | nrn = bgp_route_next(nrn)) | |
10723 | bgp_table_stats_rn(nrn, top, ts, space); | |
10724 | } else { | |
10725 | bgp_table_stats_rn(rn, top, ts, space); | |
d62a17ae | 10726 | } |
10727 | } | |
9c14ec72 | 10728 | |
d62a17ae | 10729 | return 0; |
2815e61f | 10730 | } |
ff7924f6 | 10731 | |
d62a17ae | 10732 | static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi, |
10733 | safi_t safi) | |
2815e61f | 10734 | { |
d62a17ae | 10735 | struct bgp_table_stats ts; |
10736 | unsigned int i; | |
019386c2 | 10737 | |
d62a17ae | 10738 | if (!bgp->rib[afi][safi]) { |
10739 | vty_out(vty, "%% No RIB exist's for the AFI(%d)/SAFI(%d)\n", | |
10740 | afi, safi); | |
10741 | return CMD_WARNING; | |
10742 | } | |
019386c2 | 10743 | |
5cb5f4d0 | 10744 | vty_out(vty, "BGP %s RIB statistics\n", get_afi_safi_str(afi, safi, false)); |
019386c2 | 10745 | |
d62a17ae | 10746 | /* labeled-unicast routes live in the unicast table */ |
10747 | if (safi == SAFI_LABELED_UNICAST) | |
10748 | safi = SAFI_UNICAST; | |
019386c2 | 10749 | |
d62a17ae | 10750 | memset(&ts, 0, sizeof(ts)); |
10751 | ts.table = bgp->rib[afi][safi]; | |
10752 | thread_execute(bm->master, bgp_table_stats_walker, &ts, 0); | |
ff7924f6 | 10753 | |
d62a17ae | 10754 | for (i = 0; i < BGP_STATS_MAX; i++) { |
10755 | if (!table_stats_strs[i]) | |
10756 | continue; | |
10757 | ||
10758 | switch (i) { | |
a636c635 DW |
10759 | #if 0 |
10760 | case BGP_STATS_ASPATH_AVGHOPS: | |
10761 | case BGP_STATS_ASPATH_AVGSIZE: | |
10762 | case BGP_STATS_AVGPLEN: | |
10763 | vty_out (vty, "%-30s: ", table_stats_strs[i]); | |
10764 | vty_out (vty, "%12.2f", | |
10765 | (float)ts.counts[i] / (float)TALLY_SIGFIG); | |
10766 | break; | |
10767 | #endif | |
d62a17ae | 10768 | case BGP_STATS_ASPATH_TOTHOPS: |
10769 | case BGP_STATS_ASPATH_TOTSIZE: | |
10770 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
10771 | vty_out(vty, "%12.2f", | |
10772 | ts.counts[i] | |
10773 | ? (float)ts.counts[i] | |
10774 | / (float)ts.counts | |
10775 | [BGP_STATS_ASPATH_COUNT] | |
10776 | : 0); | |
10777 | break; | |
10778 | case BGP_STATS_TOTPLEN: | |
10779 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
10780 | vty_out(vty, "%12.2f", | |
10781 | ts.counts[i] | |
10782 | ? (float)ts.counts[i] | |
10783 | / (float)ts.counts | |
10784 | [BGP_STATS_PREFIXES] | |
10785 | : 0); | |
10786 | break; | |
10787 | case BGP_STATS_SPACE: | |
10788 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
8d0ab76d DL |
10789 | vty_out(vty, "%12g\n", ts.total_space); |
10790 | ||
10791 | if (afi == AFI_IP6) { | |
10792 | vty_out(vty, "%30s: ", "/32 equivalent "); | |
10793 | vty_out(vty, "%12g\n", | |
a4d82a8a | 10794 | ts.total_space * pow(2.0, -128 + 32)); |
8d0ab76d DL |
10795 | vty_out(vty, "%30s: ", "/48 equivalent "); |
10796 | vty_out(vty, "%12g\n", | |
a4d82a8a | 10797 | ts.total_space * pow(2.0, -128 + 48)); |
8d0ab76d DL |
10798 | } else { |
10799 | vty_out(vty, "%30s: ", "% announced "); | |
10800 | vty_out(vty, "%12.2f\n", | |
10801 | ts.total_space * 100. * pow(2.0, -32)); | |
10802 | vty_out(vty, "%30s: ", "/8 equivalent "); | |
10803 | vty_out(vty, "%12.2f\n", | |
a4d82a8a | 10804 | ts.total_space * pow(2.0, -32 + 8)); |
8d0ab76d DL |
10805 | vty_out(vty, "%30s: ", "/24 equivalent "); |
10806 | vty_out(vty, "%12.2f\n", | |
a4d82a8a | 10807 | ts.total_space * pow(2.0, -32 + 24)); |
8d0ab76d | 10808 | } |
d62a17ae | 10809 | break; |
10810 | default: | |
10811 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
10812 | vty_out(vty, "%12llu", ts.counts[i]); | |
10813 | } | |
ff7924f6 | 10814 | |
d62a17ae | 10815 | vty_out(vty, "\n"); |
10816 | } | |
10817 | return CMD_SUCCESS; | |
10818 | } | |
10819 | ||
10820 | enum bgp_pcounts { | |
10821 | PCOUNT_ADJ_IN = 0, | |
10822 | PCOUNT_DAMPED, | |
10823 | PCOUNT_REMOVED, | |
10824 | PCOUNT_HISTORY, | |
10825 | PCOUNT_STALE, | |
10826 | PCOUNT_VALID, | |
10827 | PCOUNT_ALL, | |
10828 | PCOUNT_COUNTED, | |
10829 | PCOUNT_PFCNT, /* the figure we display to users */ | |
10830 | PCOUNT_MAX, | |
a636c635 | 10831 | }; |
718e3744 | 10832 | |
d62a17ae | 10833 | static const char *pcount_strs[] = { |
9d303b37 DL |
10834 | [PCOUNT_ADJ_IN] = "Adj-in", |
10835 | [PCOUNT_DAMPED] = "Damped", | |
10836 | [PCOUNT_REMOVED] = "Removed", | |
10837 | [PCOUNT_HISTORY] = "History", | |
10838 | [PCOUNT_STALE] = "Stale", | |
10839 | [PCOUNT_VALID] = "Valid", | |
10840 | [PCOUNT_ALL] = "All RIB", | |
10841 | [PCOUNT_COUNTED] = "PfxCt counted", | |
10842 | [PCOUNT_PFCNT] = "Useable", | |
10843 | [PCOUNT_MAX] = NULL, | |
a636c635 | 10844 | }; |
718e3744 | 10845 | |
d62a17ae | 10846 | struct peer_pcounts { |
10847 | unsigned int count[PCOUNT_MAX]; | |
10848 | const struct peer *peer; | |
10849 | const struct bgp_table *table; | |
a636c635 | 10850 | }; |
47fc97cc | 10851 | |
d62a17ae | 10852 | static int bgp_peer_count_walker(struct thread *t) |
10853 | { | |
10854 | struct bgp_node *rn; | |
10855 | struct peer_pcounts *pc = THREAD_ARG(t); | |
10856 | const struct peer *peer = pc->peer; | |
10857 | ||
10858 | for (rn = bgp_table_top(pc->table); rn; rn = bgp_route_next(rn)) { | |
10859 | struct bgp_adj_in *ain; | |
40381db7 | 10860 | struct bgp_path_info *pi; |
d62a17ae | 10861 | |
10862 | for (ain = rn->adj_in; ain; ain = ain->next) | |
10863 | if (ain->peer == peer) | |
10864 | pc->count[PCOUNT_ADJ_IN]++; | |
10865 | ||
6f94b685 DS |
10866 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
10867 | ||
40381db7 | 10868 | if (pi->peer != peer) |
d62a17ae | 10869 | continue; |
10870 | ||
10871 | pc->count[PCOUNT_ALL]++; | |
10872 | ||
40381db7 | 10873 | if (CHECK_FLAG(pi->flags, BGP_PATH_DAMPED)) |
d62a17ae | 10874 | pc->count[PCOUNT_DAMPED]++; |
40381db7 | 10875 | if (CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) |
d62a17ae | 10876 | pc->count[PCOUNT_HISTORY]++; |
40381db7 | 10877 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) |
d62a17ae | 10878 | pc->count[PCOUNT_REMOVED]++; |
40381db7 | 10879 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) |
d62a17ae | 10880 | pc->count[PCOUNT_STALE]++; |
40381db7 | 10881 | if (CHECK_FLAG(pi->flags, BGP_PATH_VALID)) |
d62a17ae | 10882 | pc->count[PCOUNT_VALID]++; |
40381db7 | 10883 | if (!CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) |
d62a17ae | 10884 | pc->count[PCOUNT_PFCNT]++; |
10885 | ||
40381db7 | 10886 | if (CHECK_FLAG(pi->flags, BGP_PATH_COUNTED)) { |
d62a17ae | 10887 | pc->count[PCOUNT_COUNTED]++; |
40381db7 | 10888 | if (CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) |
1c50c1c0 QY |
10889 | flog_err( |
10890 | EC_LIB_DEVELOPMENT, | |
10891 | "Attempting to count but flags say it is unusable"); | |
d62a17ae | 10892 | } else { |
40381db7 | 10893 | if (!CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) |
1c50c1c0 QY |
10894 | flog_err( |
10895 | EC_LIB_DEVELOPMENT, | |
10896 | "Not counted but flags say we should"); | |
d62a17ae | 10897 | } |
10898 | } | |
10899 | } | |
10900 | return 0; | |
718e3744 | 10901 | } |
10902 | ||
d62a17ae | 10903 | static int bgp_peer_counts(struct vty *vty, struct peer *peer, afi_t afi, |
9f049418 | 10904 | safi_t safi, bool use_json) |
856ca177 | 10905 | { |
d62a17ae | 10906 | struct peer_pcounts pcounts = {.peer = peer}; |
10907 | unsigned int i; | |
10908 | json_object *json = NULL; | |
10909 | json_object *json_loop = NULL; | |
856ca177 | 10910 | |
d62a17ae | 10911 | if (use_json) { |
10912 | json = json_object_new_object(); | |
10913 | json_loop = json_object_new_object(); | |
10914 | } | |
718e3744 | 10915 | |
d62a17ae | 10916 | if (!peer || !peer->bgp || !peer->afc[afi][safi] |
10917 | || !peer->bgp->rib[afi][safi]) { | |
10918 | if (use_json) { | |
10919 | json_object_string_add( | |
10920 | json, "warning", | |
10921 | "No such neighbor or address family"); | |
10922 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
10923 | json_object_free(json); | |
10924 | } else | |
10925 | vty_out(vty, "%% No such neighbor or address family\n"); | |
10926 | ||
10927 | return CMD_WARNING; | |
10928 | } | |
2a71e9ce | 10929 | |
d62a17ae | 10930 | memset(&pcounts, 0, sizeof(pcounts)); |
10931 | pcounts.peer = peer; | |
10932 | pcounts.table = peer->bgp->rib[afi][safi]; | |
10933 | ||
10934 | /* in-place call via thread subsystem so as to record execution time | |
d316210b PZ |
10935 | * stats for the thread-walk (i.e. ensure this can't be blamed on |
10936 | * on just vty_read()). | |
10937 | */ | |
d62a17ae | 10938 | thread_execute(bm->master, bgp_peer_count_walker, &pcounts, 0); |
10939 | ||
10940 | if (use_json) { | |
10941 | json_object_string_add(json, "prefixCountsFor", peer->host); | |
10942 | json_object_string_add(json, "multiProtocol", | |
5cb5f4d0 | 10943 | get_afi_safi_str(afi, safi, true)); |
d62a17ae | 10944 | json_object_int_add(json, "pfxCounter", |
10945 | peer->pcount[afi][safi]); | |
10946 | ||
10947 | for (i = 0; i < PCOUNT_MAX; i++) | |
10948 | json_object_int_add(json_loop, pcount_strs[i], | |
10949 | pcounts.count[i]); | |
10950 | ||
10951 | json_object_object_add(json, "ribTableWalkCounters", json_loop); | |
10952 | ||
10953 | if (pcounts.count[PCOUNT_PFCNT] != peer->pcount[afi][safi]) { | |
10954 | json_object_string_add(json, "pfxctDriftFor", | |
10955 | peer->host); | |
10956 | json_object_string_add( | |
10957 | json, "recommended", | |
10958 | "Please report this bug, with the above command output"); | |
10959 | } | |
996c9314 LB |
10960 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
10961 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 10962 | json_object_free(json); |
10963 | } else { | |
10964 | ||
10965 | if (peer->hostname | |
10966 | && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME)) { | |
10967 | vty_out(vty, "Prefix counts for %s/%s, %s\n", | |
10968 | peer->hostname, peer->host, | |
5cb5f4d0 | 10969 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 10970 | } else { |
10971 | vty_out(vty, "Prefix counts for %s, %s\n", peer->host, | |
5cb5f4d0 | 10972 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 10973 | } |
10974 | ||
a0a87037 | 10975 | vty_out(vty, "PfxCt: %" PRIu32 "\n", peer->pcount[afi][safi]); |
d62a17ae | 10976 | vty_out(vty, "\nCounts from RIB table walk:\n\n"); |
10977 | ||
10978 | for (i = 0; i < PCOUNT_MAX; i++) | |
10979 | vty_out(vty, "%20s: %-10d\n", pcount_strs[i], | |
10980 | pcounts.count[i]); | |
10981 | ||
10982 | if (pcounts.count[PCOUNT_PFCNT] != peer->pcount[afi][safi]) { | |
10983 | vty_out(vty, "%s [pcount] PfxCt drift!\n", peer->host); | |
10984 | vty_out(vty, | |
10985 | "Please report this bug, with the above command output\n"); | |
10986 | } | |
10987 | } | |
10988 | ||
10989 | return CMD_SUCCESS; | |
718e3744 | 10990 | } |
10991 | ||
a636c635 DW |
10992 | DEFUN (show_ip_bgp_instance_neighbor_prefix_counts, |
10993 | show_ip_bgp_instance_neighbor_prefix_counts_cmd, | |
c1a44e43 | 10994 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_CMD_STR"]] " |
30a6a167 | 10995 | "neighbors <A.B.C.D|X:X::X:X|WORD> prefix-counts [json]", |
718e3744 | 10996 | SHOW_STR |
10997 | IP_STR | |
10998 | BGP_STR | |
8386ac43 | 10999 | BGP_INSTANCE_HELP_STR |
9bedbb1e DW |
11000 | BGP_AFI_HELP_STR |
11001 | BGP_SAFI_HELP_STR | |
0b16f239 DS |
11002 | "Detailed information on TCP and BGP neighbor connections\n" |
11003 | "Neighbor to display information about\n" | |
11004 | "Neighbor to display information about\n" | |
91d37724 | 11005 | "Neighbor on BGP configured interface\n" |
a636c635 | 11006 | "Display detailed prefix count information\n" |
9973d184 | 11007 | JSON_STR) |
0b16f239 | 11008 | { |
d62a17ae | 11009 | afi_t afi = AFI_IP6; |
11010 | safi_t safi = SAFI_UNICAST; | |
11011 | struct peer *peer; | |
11012 | int idx = 0; | |
11013 | struct bgp *bgp = NULL; | |
9f049418 DS |
11014 | bool uj = use_json(argc, argv); |
11015 | ||
11016 | if (uj) | |
11017 | argc--; | |
856ca177 | 11018 | |
d62a17ae | 11019 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 11020 | &bgp, uj); |
d62a17ae | 11021 | if (!idx) |
11022 | return CMD_WARNING; | |
0b16f239 | 11023 | |
d62a17ae | 11024 | argv_find(argv, argc, "neighbors", &idx); |
11025 | peer = peer_lookup_in_view(vty, bgp, argv[idx + 1]->arg, uj); | |
11026 | if (!peer) | |
11027 | return CMD_WARNING; | |
bb46e94f | 11028 | |
29c8d9da | 11029 | return bgp_peer_counts(vty, peer, afi, safi, uj); |
a636c635 | 11030 | } |
0b16f239 | 11031 | |
d6902373 PG |
11032 | #ifdef KEEP_OLD_VPN_COMMANDS |
11033 | DEFUN (show_ip_bgp_vpn_neighbor_prefix_counts, | |
11034 | show_ip_bgp_vpn_neighbor_prefix_counts_cmd, | |
11035 | "show [ip] bgp <vpnv4|vpnv6> all neighbors <A.B.C.D|X:X::X:X|WORD> prefix-counts [json]", | |
2a71e9ce TP |
11036 | SHOW_STR |
11037 | IP_STR | |
11038 | BGP_STR | |
d6902373 | 11039 | BGP_VPNVX_HELP_STR |
91d37724 | 11040 | "Display information about all VPNv4 NLRIs\n" |
2a71e9ce TP |
11041 | "Detailed information on TCP and BGP neighbor connections\n" |
11042 | "Neighbor to display information about\n" | |
11043 | "Neighbor to display information about\n" | |
91d37724 | 11044 | "Neighbor on BGP configured interface\n" |
a636c635 | 11045 | "Display detailed prefix count information\n" |
9973d184 | 11046 | JSON_STR) |
a636c635 | 11047 | { |
d62a17ae | 11048 | int idx_peer = 6; |
11049 | struct peer *peer; | |
9f049418 | 11050 | bool uj = use_json(argc, argv); |
a636c635 | 11051 | |
d62a17ae | 11052 | peer = peer_lookup_in_view(vty, NULL, argv[idx_peer]->arg, uj); |
11053 | if (!peer) | |
11054 | return CMD_WARNING; | |
11055 | ||
11056 | return bgp_peer_counts(vty, peer, AFI_IP, SAFI_MPLS_VPN, uj); | |
a636c635 DW |
11057 | } |
11058 | ||
d6902373 PG |
11059 | DEFUN (show_ip_bgp_vpn_all_route_prefix, |
11060 | show_ip_bgp_vpn_all_route_prefix_cmd, | |
11061 | "show [ip] bgp <vpnv4|vpnv6> all <A.B.C.D|A.B.C.D/M> [json]", | |
91d37724 QY |
11062 | SHOW_STR |
11063 | IP_STR | |
11064 | BGP_STR | |
d6902373 | 11065 | BGP_VPNVX_HELP_STR |
91d37724 QY |
11066 | "Display information about all VPNv4 NLRIs\n" |
11067 | "Network in the BGP routing table to display\n" | |
3a2d747c | 11068 | "Network in the BGP routing table to display\n" |
9973d184 | 11069 | JSON_STR) |
91d37724 | 11070 | { |
d62a17ae | 11071 | int idx = 0; |
11072 | char *network = NULL; | |
11073 | struct bgp *bgp = bgp_get_default(); | |
11074 | if (!bgp) { | |
11075 | vty_out(vty, "Can't find default instance\n"); | |
11076 | return CMD_WARNING; | |
11077 | } | |
87e34b58 | 11078 | |
d62a17ae | 11079 | if (argv_find(argv, argc, "A.B.C.D", &idx)) |
11080 | network = argv[idx]->arg; | |
11081 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx)) | |
11082 | network = argv[idx]->arg; | |
11083 | else { | |
11084 | vty_out(vty, "Unable to figure out Network\n"); | |
11085 | return CMD_WARNING; | |
11086 | } | |
87e34b58 | 11087 | |
d62a17ae | 11088 | return bgp_show_route(vty, bgp, network, AFI_IP, SAFI_MPLS_VPN, NULL, 0, |
360660c6 | 11089 | BGP_PATH_SHOW_ALL, use_json(argc, argv)); |
91d37724 | 11090 | } |
d6902373 | 11091 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
91d37724 | 11092 | |
44c69747 LK |
11093 | DEFUN (show_bgp_l2vpn_evpn_route_prefix, |
11094 | show_bgp_l2vpn_evpn_route_prefix_cmd, | |
11095 | "show bgp l2vpn evpn <A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> [json]", | |
4c63a661 | 11096 | SHOW_STR |
4c63a661 PG |
11097 | BGP_STR |
11098 | L2VPN_HELP_STR | |
11099 | EVPN_HELP_STR | |
44c69747 LK |
11100 | "Network in the BGP routing table to display\n" |
11101 | "Network in the BGP routing table to display\n" | |
4c63a661 PG |
11102 | "Network in the BGP routing table to display\n" |
11103 | "Network in the BGP routing table to display\n" | |
11104 | JSON_STR) | |
11105 | { | |
d62a17ae | 11106 | int idx = 0; |
11107 | char *network = NULL; | |
44c69747 | 11108 | int prefix_check = 0; |
a636c635 | 11109 | |
44c69747 LK |
11110 | if (argv_find(argv, argc, "A.B.C.D", &idx) || |
11111 | argv_find(argv, argc, "X:X::X:X", &idx)) | |
d62a17ae | 11112 | network = argv[idx]->arg; |
44c69747 LK |
11113 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx) || |
11114 | argv_find(argv, argc, "A.B.C.D/M", &idx)) { | |
d62a17ae | 11115 | network = argv[idx]->arg; |
44c69747 LK |
11116 | prefix_check = 1; |
11117 | } else { | |
d62a17ae | 11118 | vty_out(vty, "Unable to figure out Network\n"); |
11119 | return CMD_WARNING; | |
11120 | } | |
44c69747 LK |
11121 | return bgp_show_route(vty, NULL, network, AFI_L2VPN, SAFI_EVPN, NULL, |
11122 | prefix_check, BGP_PATH_SHOW_ALL, | |
11123 | use_json(argc, argv)); | |
d62a17ae | 11124 | } |
11125 | ||
11126 | static void show_adj_route(struct vty *vty, struct peer *peer, afi_t afi, | |
6392aaa6 | 11127 | safi_t safi, enum bgp_show_adj_route_type type, |
9f049418 | 11128 | const char *rmap_name, bool use_json, |
6392aaa6 | 11129 | json_object *json) |
d62a17ae | 11130 | { |
11131 | struct bgp_table *table; | |
11132 | struct bgp_adj_in *ain; | |
11133 | struct bgp_adj_out *adj; | |
11134 | unsigned long output_count; | |
11135 | unsigned long filtered_count; | |
11136 | struct bgp_node *rn; | |
11137 | int header1 = 1; | |
11138 | struct bgp *bgp; | |
11139 | int header2 = 1; | |
11140 | struct attr attr; | |
11141 | int ret; | |
11142 | struct update_subgroup *subgrp; | |
11143 | json_object *json_scode = NULL; | |
11144 | json_object *json_ocode = NULL; | |
11145 | json_object *json_ar = NULL; | |
11146 | struct peer_af *paf; | |
f99def61 | 11147 | bool route_filtered; |
d62a17ae | 11148 | |
11149 | if (use_json) { | |
11150 | json_scode = json_object_new_object(); | |
11151 | json_ocode = json_object_new_object(); | |
11152 | json_ar = json_object_new_object(); | |
11153 | ||
11154 | json_object_string_add(json_scode, "suppressed", "s"); | |
11155 | json_object_string_add(json_scode, "damped", "d"); | |
11156 | json_object_string_add(json_scode, "history", "h"); | |
11157 | json_object_string_add(json_scode, "valid", "*"); | |
11158 | json_object_string_add(json_scode, "best", ">"); | |
11159 | json_object_string_add(json_scode, "multipath", "="); | |
11160 | json_object_string_add(json_scode, "internal", "i"); | |
11161 | json_object_string_add(json_scode, "ribFailure", "r"); | |
11162 | json_object_string_add(json_scode, "stale", "S"); | |
11163 | json_object_string_add(json_scode, "removed", "R"); | |
11164 | ||
11165 | json_object_string_add(json_ocode, "igp", "i"); | |
11166 | json_object_string_add(json_ocode, "egp", "e"); | |
11167 | json_object_string_add(json_ocode, "incomplete", "?"); | |
11168 | } | |
a636c635 | 11169 | |
d62a17ae | 11170 | bgp = peer->bgp; |
a636c635 | 11171 | |
d62a17ae | 11172 | if (!bgp) { |
11173 | if (use_json) { | |
11174 | json_object_string_add(json, "alert", "no BGP"); | |
11175 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11176 | json_object_free(json); | |
11177 | } else | |
11178 | vty_out(vty, "%% No bgp\n"); | |
11179 | return; | |
11180 | } | |
a636c635 | 11181 | |
c512a642 EDP |
11182 | /* labeled-unicast routes live in the unicast table */ |
11183 | if (safi == SAFI_LABELED_UNICAST) | |
11184 | table = bgp->rib[afi][SAFI_UNICAST]; | |
11185 | else | |
11186 | table = bgp->rib[afi][safi]; | |
d62a17ae | 11187 | |
11188 | output_count = filtered_count = 0; | |
11189 | subgrp = peer_subgroup(peer, afi, safi); | |
11190 | ||
6392aaa6 | 11191 | if (type == bgp_show_adj_route_advertised && subgrp |
d62a17ae | 11192 | && CHECK_FLAG(subgrp->sflags, SUBGRP_STATUS_DEFAULT_ORIGINATE)) { |
11193 | if (use_json) { | |
11194 | json_object_int_add(json, "bgpTableVersion", | |
11195 | table->version); | |
11196 | json_object_string_add(json, "bgpLocalRouterId", | |
11197 | inet_ntoa(bgp->router_id)); | |
01eced22 AD |
11198 | json_object_int_add(json, "defaultLocPrf", |
11199 | bgp->default_local_pref); | |
11200 | json_object_int_add(json, "localAS", bgp->as); | |
d62a17ae | 11201 | json_object_object_add(json, "bgpStatusCodes", |
11202 | json_scode); | |
11203 | json_object_object_add(json, "bgpOriginCodes", | |
11204 | json_ocode); | |
07d0c4ed DA |
11205 | json_object_string_add( |
11206 | json, "bgpOriginatingDefaultNetwork", | |
11207 | (afi == AFI_IP) ? "0.0.0.0/0" : "::/0"); | |
d62a17ae | 11208 | } else { |
996c9314 | 11209 | vty_out(vty, "BGP table version is %" PRIu64 |
9df8b37c | 11210 | ", local router ID is %s, vrf id ", |
d62a17ae | 11211 | table->version, inet_ntoa(bgp->router_id)); |
9df8b37c PZ |
11212 | if (bgp->vrf_id == VRF_UNKNOWN) |
11213 | vty_out(vty, "%s", VRFID_NONE_STR); | |
11214 | else | |
11215 | vty_out(vty, "%u", bgp->vrf_id); | |
11216 | vty_out(vty, "\n"); | |
01eced22 AD |
11217 | vty_out(vty, "Default local pref %u, ", |
11218 | bgp->default_local_pref); | |
11219 | vty_out(vty, "local AS %u\n", bgp->as); | |
d62a17ae | 11220 | vty_out(vty, BGP_SHOW_SCODE_HEADER); |
9df8b37c | 11221 | vty_out(vty, BGP_SHOW_NCODE_HEADER); |
d62a17ae | 11222 | vty_out(vty, BGP_SHOW_OCODE_HEADER); |
11223 | ||
07d0c4ed DA |
11224 | vty_out(vty, "Originating default network %s\n\n", |
11225 | (afi == AFI_IP) ? "0.0.0.0/0" : "::/0"); | |
d62a17ae | 11226 | } |
11227 | header1 = 0; | |
11228 | } | |
a636c635 | 11229 | |
d62a17ae | 11230 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
6392aaa6 PM |
11231 | if (type == bgp_show_adj_route_received |
11232 | || type == bgp_show_adj_route_filtered) { | |
d62a17ae | 11233 | for (ain = rn->adj_in; ain; ain = ain->next) { |
05864da7 | 11234 | if (ain->peer != peer) |
ea47320b | 11235 | continue; |
6392aaa6 | 11236 | |
ea47320b DL |
11237 | if (header1) { |
11238 | if (use_json) { | |
11239 | json_object_int_add( | |
60466a63 | 11240 | json, "bgpTableVersion", |
ea47320b DL |
11241 | 0); |
11242 | json_object_string_add( | |
11243 | json, | |
11244 | "bgpLocalRouterId", | |
11245 | inet_ntoa( | |
11246 | bgp->router_id)); | |
01eced22 AD |
11247 | json_object_int_add(json, |
11248 | "defaultLocPrf", | |
11249 | bgp->default_local_pref); | |
11250 | json_object_int_add(json, | |
11251 | "localAS", bgp->as); | |
ea47320b | 11252 | json_object_object_add( |
60466a63 | 11253 | json, "bgpStatusCodes", |
ea47320b DL |
11254 | json_scode); |
11255 | json_object_object_add( | |
60466a63 | 11256 | json, "bgpOriginCodes", |
ea47320b DL |
11257 | json_ocode); |
11258 | } else { | |
11259 | vty_out(vty, | |
9df8b37c | 11260 | "BGP table version is 0, local router ID is %s, vrf id ", |
ea47320b | 11261 | inet_ntoa( |
9df8b37c PZ |
11262 | bgp->router_id)); |
11263 | if (bgp->vrf_id == VRF_UNKNOWN) | |
11264 | vty_out(vty, "%s", | |
11265 | VRFID_NONE_STR); | |
11266 | else | |
11267 | vty_out(vty, "%u", | |
11268 | bgp->vrf_id); | |
11269 | vty_out(vty, "\n"); | |
01eced22 AD |
11270 | vty_out(vty, |
11271 | "Default local pref %u, ", | |
11272 | bgp->default_local_pref); | |
11273 | vty_out(vty, "local AS %u\n", | |
11274 | bgp->as); | |
ea47320b DL |
11275 | vty_out(vty, |
11276 | BGP_SHOW_SCODE_HEADER); | |
9df8b37c PZ |
11277 | vty_out(vty, |
11278 | BGP_SHOW_NCODE_HEADER); | |
ea47320b DL |
11279 | vty_out(vty, |
11280 | BGP_SHOW_OCODE_HEADER); | |
d62a17ae | 11281 | } |
ea47320b DL |
11282 | header1 = 0; |
11283 | } | |
11284 | if (header2) { | |
11285 | if (!use_json) | |
11286 | vty_out(vty, BGP_SHOW_HEADER); | |
11287 | header2 = 0; | |
11288 | } | |
6392aaa6 PM |
11289 | |
11290 | bgp_attr_dup(&attr, ain->attr); | |
f99def61 AD |
11291 | route_filtered = false; |
11292 | ||
11293 | /* Filter prefix using distribute list, | |
11294 | * filter list or prefix list | |
11295 | */ | |
11296 | if ((bgp_input_filter(peer, &rn->p, &attr, afi, | |
11297 | safi)) == FILTER_DENY) | |
11298 | route_filtered = true; | |
11299 | ||
11300 | /* Filter prefix using route-map */ | |
6392aaa6 | 11301 | ret = bgp_input_modifier(peer, &rn->p, &attr, |
82b692c0 | 11302 | afi, safi, rmap_name, NULL, 0); |
6392aaa6 | 11303 | |
13c8e163 AD |
11304 | if (type == bgp_show_adj_route_filtered && |
11305 | !route_filtered && ret != RMAP_DENY) { | |
b755861b | 11306 | bgp_attr_undup(&attr, ain->attr); |
6392aaa6 | 11307 | continue; |
d62a17ae | 11308 | } |
6392aaa6 | 11309 | |
13c8e163 AD |
11310 | if (type == bgp_show_adj_route_received && |
11311 | (route_filtered || ret == RMAP_DENY)) | |
6392aaa6 PM |
11312 | filtered_count++; |
11313 | ||
11314 | route_vty_out_tmp(vty, &rn->p, &attr, safi, | |
11315 | use_json, json_ar); | |
b755861b | 11316 | bgp_attr_undup(&attr, ain->attr); |
6392aaa6 | 11317 | output_count++; |
d62a17ae | 11318 | } |
6392aaa6 | 11319 | } else if (type == bgp_show_adj_route_advertised) { |
a79c04e7 | 11320 | RB_FOREACH (adj, bgp_adj_out_rb, &rn->adj_out) |
924c3f6a | 11321 | SUBGRP_FOREACH_PEER (adj->subgroup, paf) { |
b755861b | 11322 | if (paf->peer != peer || !adj->attr) |
924c3f6a | 11323 | continue; |
d62a17ae | 11324 | |
924c3f6a DS |
11325 | if (header1) { |
11326 | if (use_json) { | |
11327 | json_object_int_add( | |
11328 | json, | |
11329 | "bgpTableVersion", | |
11330 | table->version); | |
11331 | json_object_string_add( | |
11332 | json, | |
11333 | "bgpLocalRouterId", | |
11334 | inet_ntoa( | |
11335 | bgp->router_id)); | |
01eced22 AD |
11336 | json_object_int_add( |
11337 | json, "defaultLocPrf", | |
11338 | bgp->default_local_pref | |
11339 | ); | |
11340 | json_object_int_add( | |
11341 | json, "localAS", | |
11342 | bgp->as); | |
924c3f6a DS |
11343 | json_object_object_add( |
11344 | json, | |
11345 | "bgpStatusCodes", | |
11346 | json_scode); | |
11347 | json_object_object_add( | |
11348 | json, | |
11349 | "bgpOriginCodes", | |
11350 | json_ocode); | |
11351 | } else { | |
11352 | vty_out(vty, | |
11353 | "BGP table version is %" PRIu64 | |
9df8b37c | 11354 | ", local router ID is %s, vrf id ", |
924c3f6a DS |
11355 | table->version, |
11356 | inet_ntoa( | |
11357 | bgp->router_id)); | |
9df8b37c PZ |
11358 | if (bgp->vrf_id == |
11359 | VRF_UNKNOWN) | |
11360 | vty_out(vty, | |
11361 | "%s", | |
11362 | VRFID_NONE_STR); | |
11363 | else | |
11364 | vty_out(vty, | |
11365 | "%u", | |
11366 | bgp->vrf_id); | |
11367 | vty_out(vty, "\n"); | |
01eced22 AD |
11368 | vty_out(vty, |
11369 | "Default local pref %u, ", | |
11370 | bgp->default_local_pref | |
11371 | ); | |
11372 | vty_out(vty, | |
11373 | "local AS %u\n", | |
11374 | bgp->as); | |
924c3f6a DS |
11375 | vty_out(vty, |
11376 | BGP_SHOW_SCODE_HEADER); | |
9df8b37c PZ |
11377 | vty_out(vty, |
11378 | BGP_SHOW_NCODE_HEADER); | |
924c3f6a DS |
11379 | vty_out(vty, |
11380 | BGP_SHOW_OCODE_HEADER); | |
a2addae8 | 11381 | } |
924c3f6a DS |
11382 | header1 = 0; |
11383 | } | |
924c3f6a DS |
11384 | if (header2) { |
11385 | if (!use_json) | |
11386 | vty_out(vty, | |
11387 | BGP_SHOW_HEADER); | |
11388 | header2 = 0; | |
11389 | } | |
d62a17ae | 11390 | |
b755861b PM |
11391 | bgp_attr_dup(&attr, adj->attr); |
11392 | ret = bgp_output_modifier( | |
11393 | peer, &rn->p, &attr, afi, safi, | |
11394 | rmap_name); | |
f46d8e1e | 11395 | |
b755861b PM |
11396 | if (ret != RMAP_DENY) { |
11397 | route_vty_out_tmp(vty, &rn->p, | |
11398 | &attr, safi, | |
11399 | use_json, | |
11400 | json_ar); | |
11401 | output_count++; | |
11402 | } else { | |
11403 | filtered_count++; | |
a2addae8 | 11404 | } |
b755861b PM |
11405 | |
11406 | bgp_attr_undup(&attr, adj->attr); | |
924c3f6a | 11407 | } |
d62a17ae | 11408 | } |
11409 | } | |
d62a17ae | 11410 | |
d62a17ae | 11411 | if (use_json) { |
6392aaa6 PM |
11412 | json_object_object_add(json, "advertisedRoutes", json_ar); |
11413 | json_object_int_add(json, "totalPrefixCounter", output_count); | |
11414 | json_object_int_add(json, "filteredPrefixCounter", | |
11415 | filtered_count); | |
11416 | ||
996c9314 LB |
11417 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
11418 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 11419 | json_object_free(json); |
6392aaa6 PM |
11420 | } else if (output_count > 0) { |
11421 | if (filtered_count > 0) | |
11422 | vty_out(vty, | |
11423 | "\nTotal number of prefixes %ld (%ld filtered)\n", | |
11424 | output_count, filtered_count); | |
11425 | else | |
11426 | vty_out(vty, "\nTotal number of prefixes %ld\n", | |
11427 | output_count); | |
d62a17ae | 11428 | } |
a636c635 | 11429 | } |
2a71e9ce | 11430 | |
d62a17ae | 11431 | static int peer_adj_routes(struct vty *vty, struct peer *peer, afi_t afi, |
6392aaa6 | 11432 | safi_t safi, enum bgp_show_adj_route_type type, |
9f049418 | 11433 | const char *rmap_name, bool use_json) |
0b16f239 | 11434 | { |
d62a17ae | 11435 | json_object *json = NULL; |
0b16f239 | 11436 | |
d62a17ae | 11437 | if (use_json) |
11438 | json = json_object_new_object(); | |
0b16f239 | 11439 | |
d62a17ae | 11440 | if (!peer || !peer->afc[afi][safi]) { |
11441 | if (use_json) { | |
11442 | json_object_string_add( | |
11443 | json, "warning", | |
11444 | "No such neighbor or address family"); | |
11445 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11446 | json_object_free(json); | |
11447 | } else | |
11448 | vty_out(vty, "%% No such neighbor or address family\n"); | |
0b16f239 | 11449 | |
d62a17ae | 11450 | return CMD_WARNING; |
11451 | } | |
11452 | ||
6392aaa6 PM |
11453 | if ((type == bgp_show_adj_route_received |
11454 | || type == bgp_show_adj_route_filtered) | |
d62a17ae | 11455 | && !CHECK_FLAG(peer->af_flags[afi][safi], |
11456 | PEER_FLAG_SOFT_RECONFIG)) { | |
11457 | if (use_json) { | |
11458 | json_object_string_add( | |
11459 | json, "warning", | |
11460 | "Inbound soft reconfiguration not enabled"); | |
11461 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11462 | json_object_free(json); | |
11463 | } else | |
11464 | vty_out(vty, | |
11465 | "%% Inbound soft reconfiguration not enabled\n"); | |
11466 | ||
11467 | return CMD_WARNING; | |
11468 | } | |
0b16f239 | 11469 | |
6392aaa6 | 11470 | show_adj_route(vty, peer, afi, safi, type, rmap_name, use_json, json); |
0b16f239 | 11471 | |
d62a17ae | 11472 | return CMD_SUCCESS; |
a636c635 | 11473 | } |
50ef26d4 | 11474 | |
a636c635 DW |
11475 | DEFUN (show_ip_bgp_instance_neighbor_advertised_route, |
11476 | show_ip_bgp_instance_neighbor_advertised_route_cmd, | |
4dd6177e | 11477 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] " |
6392aaa6 | 11478 | "neighbors <A.B.C.D|X:X::X:X|WORD> <advertised-routes|received-routes|filtered-routes> [route-map WORD] [json]", |
718e3744 | 11479 | SHOW_STR |
11480 | IP_STR | |
11481 | BGP_STR | |
a636c635 | 11482 | BGP_INSTANCE_HELP_STR |
7395a2c9 | 11483 | BGP_AFI_HELP_STR |
4dd6177e | 11484 | BGP_SAFI_WITH_LABEL_HELP_STR |
718e3744 | 11485 | "Detailed information on TCP and BGP neighbor connections\n" |
11486 | "Neighbor to display information about\n" | |
11487 | "Neighbor to display information about\n" | |
91d37724 | 11488 | "Neighbor on BGP configured interface\n" |
a636c635 | 11489 | "Display the routes advertised to a BGP neighbor\n" |
6392aaa6 PM |
11490 | "Display the received routes from neighbor\n" |
11491 | "Display the filtered routes received from neighbor\n" | |
a636c635 DW |
11492 | "Route-map to modify the attributes\n" |
11493 | "Name of the route map\n" | |
9973d184 | 11494 | JSON_STR) |
718e3744 | 11495 | { |
d62a17ae | 11496 | afi_t afi = AFI_IP6; |
11497 | safi_t safi = SAFI_UNICAST; | |
11498 | char *rmap_name = NULL; | |
11499 | char *peerstr = NULL; | |
d62a17ae | 11500 | struct bgp *bgp = NULL; |
11501 | struct peer *peer; | |
6392aaa6 | 11502 | enum bgp_show_adj_route_type type = bgp_show_adj_route_advertised; |
d62a17ae | 11503 | int idx = 0; |
9f049418 | 11504 | bool uj = use_json(argc, argv); |
6392aaa6 | 11505 | |
d62a17ae | 11506 | if (uj) |
11507 | argc--; | |
30a6a167 | 11508 | |
9f049418 DS |
11509 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
11510 | &bgp, uj); | |
11511 | if (!idx) | |
11512 | return CMD_WARNING; | |
11513 | ||
d62a17ae | 11514 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ |
11515 | argv_find(argv, argc, "neighbors", &idx); | |
11516 | peerstr = argv[++idx]->arg; | |
8c3deaae | 11517 | |
d62a17ae | 11518 | peer = peer_lookup_in_view(vty, bgp, peerstr, uj); |
11519 | if (!peer) | |
11520 | return CMD_WARNING; | |
856ca177 | 11521 | |
d62a17ae | 11522 | if (argv_find(argv, argc, "advertised-routes", &idx)) |
6392aaa6 PM |
11523 | type = bgp_show_adj_route_advertised; |
11524 | else if (argv_find(argv, argc, "received-routes", &idx)) | |
11525 | type = bgp_show_adj_route_received; | |
11526 | else if (argv_find(argv, argc, "filtered-routes", &idx)) | |
11527 | type = bgp_show_adj_route_filtered; | |
11528 | ||
d62a17ae | 11529 | if (argv_find(argv, argc, "route-map", &idx)) |
11530 | rmap_name = argv[++idx]->arg; | |
95cbbd2a | 11531 | |
6392aaa6 | 11532 | return peer_adj_routes(vty, peer, afi, safi, type, rmap_name, uj); |
95cbbd2a ML |
11533 | } |
11534 | ||
718e3744 | 11535 | DEFUN (show_ip_bgp_neighbor_received_prefix_filter, |
11536 | show_ip_bgp_neighbor_received_prefix_filter_cmd, | |
8c3deaae | 11537 | "show [ip] bgp [<ipv4|ipv6> [unicast]] neighbors <A.B.C.D|X:X::X:X|WORD> received prefix-filter [json]", |
718e3744 | 11538 | SHOW_STR |
11539 | IP_STR | |
11540 | BGP_STR | |
8c3deaae QY |
11541 | "Address Family\n" |
11542 | "Address Family\n" | |
718e3744 | 11543 | "Address Family modifier\n" |
11544 | "Detailed information on TCP and BGP neighbor connections\n" | |
11545 | "Neighbor to display information about\n" | |
11546 | "Neighbor to display information about\n" | |
91d37724 | 11547 | "Neighbor on BGP configured interface\n" |
718e3744 | 11548 | "Display information received from a BGP neighbor\n" |
856ca177 | 11549 | "Display the prefixlist filter\n" |
9973d184 | 11550 | JSON_STR) |
718e3744 | 11551 | { |
d62a17ae | 11552 | afi_t afi = AFI_IP6; |
11553 | safi_t safi = SAFI_UNICAST; | |
11554 | char *peerstr = NULL; | |
11555 | ||
11556 | char name[BUFSIZ]; | |
11557 | union sockunion su; | |
11558 | struct peer *peer; | |
11559 | int count, ret; | |
11560 | ||
11561 | int idx = 0; | |
11562 | ||
11563 | /* show [ip] bgp */ | |
11564 | if (argv_find(argv, argc, "ip", &idx)) | |
11565 | afi = AFI_IP; | |
11566 | /* [<ipv4|ipv6> [unicast]] */ | |
11567 | if (argv_find(argv, argc, "ipv4", &idx)) | |
11568 | afi = AFI_IP; | |
11569 | if (argv_find(argv, argc, "ipv6", &idx)) | |
11570 | afi = AFI_IP6; | |
11571 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ | |
11572 | argv_find(argv, argc, "neighbors", &idx); | |
11573 | peerstr = argv[++idx]->arg; | |
11574 | ||
9f049418 | 11575 | bool uj = use_json(argc, argv); |
d62a17ae | 11576 | |
11577 | ret = str2sockunion(peerstr, &su); | |
11578 | if (ret < 0) { | |
11579 | peer = peer_lookup_by_conf_if(NULL, peerstr); | |
11580 | if (!peer) { | |
11581 | if (uj) | |
11582 | vty_out(vty, "{}\n"); | |
11583 | else | |
11584 | vty_out(vty, | |
11585 | "%% Malformed address or name: %s\n", | |
11586 | peerstr); | |
11587 | return CMD_WARNING; | |
11588 | } | |
11589 | } else { | |
11590 | peer = peer_lookup(NULL, &su); | |
11591 | if (!peer) { | |
11592 | if (uj) | |
11593 | vty_out(vty, "{}\n"); | |
11594 | else | |
11595 | vty_out(vty, "No peer\n"); | |
11596 | return CMD_WARNING; | |
11597 | } | |
11598 | } | |
718e3744 | 11599 | |
d62a17ae | 11600 | sprintf(name, "%s.%d.%d", peer->host, afi, safi); |
11601 | count = prefix_bgp_show_prefix_list(NULL, afi, name, uj); | |
11602 | if (count) { | |
11603 | if (!uj) | |
11604 | vty_out(vty, "Address Family: %s\n", | |
5cb5f4d0 | 11605 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 11606 | prefix_bgp_show_prefix_list(vty, afi, name, uj); |
11607 | } else { | |
11608 | if (uj) | |
11609 | vty_out(vty, "{}\n"); | |
11610 | else | |
11611 | vty_out(vty, "No functional output\n"); | |
11612 | } | |
718e3744 | 11613 | |
d62a17ae | 11614 | return CMD_SUCCESS; |
11615 | } | |
11616 | ||
11617 | static int bgp_show_neighbor_route(struct vty *vty, struct peer *peer, | |
11618 | afi_t afi, safi_t safi, | |
9f049418 | 11619 | enum bgp_show_type type, bool use_json) |
d62a17ae | 11620 | { |
8a893163 DW |
11621 | /* labeled-unicast routes live in the unicast table */ |
11622 | if (safi == SAFI_LABELED_UNICAST) | |
11623 | safi = SAFI_UNICAST; | |
11624 | ||
d62a17ae | 11625 | if (!peer || !peer->afc[afi][safi]) { |
11626 | if (use_json) { | |
11627 | json_object *json_no = NULL; | |
11628 | json_no = json_object_new_object(); | |
11629 | json_object_string_add( | |
11630 | json_no, "warning", | |
11631 | "No such neighbor or address family"); | |
11632 | vty_out(vty, "%s\n", | |
11633 | json_object_to_json_string(json_no)); | |
11634 | json_object_free(json_no); | |
11635 | } else | |
11636 | vty_out(vty, "%% No such neighbor or address family\n"); | |
11637 | return CMD_WARNING; | |
11638 | } | |
47fc97cc | 11639 | |
d62a17ae | 11640 | return bgp_show(vty, peer->bgp, afi, safi, type, &peer->su, use_json); |
718e3744 | 11641 | } |
11642 | ||
dba3c1d3 PG |
11643 | DEFUN (show_ip_bgp_flowspec_routes_detailed, |
11644 | show_ip_bgp_flowspec_routes_detailed_cmd, | |
11645 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" flowspec] detail [json]", | |
11646 | SHOW_STR | |
11647 | IP_STR | |
11648 | BGP_STR | |
11649 | BGP_INSTANCE_HELP_STR | |
11650 | BGP_AFI_HELP_STR | |
11651 | "SAFI Flowspec\n" | |
11652 | "Detailed information on flowspec entries\n" | |
11653 | JSON_STR) | |
11654 | { | |
11655 | afi_t afi = AFI_IP; | |
11656 | safi_t safi = SAFI_UNICAST; | |
11657 | struct bgp *bgp = NULL; | |
11658 | int idx = 0; | |
9f049418 DS |
11659 | bool uj = use_json(argc, argv); |
11660 | ||
11661 | if (uj) | |
11662 | argc--; | |
dba3c1d3 PG |
11663 | |
11664 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 11665 | &bgp, uj); |
dba3c1d3 PG |
11666 | if (!idx) |
11667 | return CMD_WARNING; | |
11668 | ||
9f049418 | 11669 | return bgp_show(vty, bgp, afi, safi, bgp_show_type_detail, NULL, uj); |
dba3c1d3 PG |
11670 | } |
11671 | ||
718e3744 | 11672 | DEFUN (show_ip_bgp_neighbor_routes, |
11673 | show_ip_bgp_neighbor_routes_cmd, | |
4dd6177e | 11674 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] " |
30a6a167 | 11675 | "neighbors <A.B.C.D|X:X::X:X|WORD> <flap-statistics|dampened-routes|routes> [json]", |
50ef26d4 | 11676 | SHOW_STR |
11677 | IP_STR | |
11678 | BGP_STR | |
8386ac43 | 11679 | BGP_INSTANCE_HELP_STR |
4f280b15 | 11680 | BGP_AFI_HELP_STR |
4dd6177e | 11681 | BGP_SAFI_WITH_LABEL_HELP_STR |
718e3744 | 11682 | "Detailed information on TCP and BGP neighbor connections\n" |
11683 | "Neighbor to display information about\n" | |
11684 | "Neighbor to display information about\n" | |
91d37724 | 11685 | "Neighbor on BGP configured interface\n" |
2525cf39 | 11686 | "Display flap statistics of the routes learned from neighbor\n" |
8c3deaae QY |
11687 | "Display the dampened routes received from neighbor\n" |
11688 | "Display routes learned from neighbor\n" | |
9973d184 | 11689 | JSON_STR) |
718e3744 | 11690 | { |
d62a17ae | 11691 | char *peerstr = NULL; |
11692 | struct bgp *bgp = NULL; | |
11693 | afi_t afi = AFI_IP6; | |
11694 | safi_t safi = SAFI_UNICAST; | |
11695 | struct peer *peer; | |
11696 | enum bgp_show_type sh_type = bgp_show_type_neighbor; | |
d62a17ae | 11697 | int idx = 0; |
9f049418 DS |
11698 | bool uj = use_json(argc, argv); |
11699 | ||
11700 | if (uj) | |
11701 | argc--; | |
bb46e94f | 11702 | |
d62a17ae | 11703 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 11704 | &bgp, uj); |
d62a17ae | 11705 | if (!idx) |
11706 | return CMD_WARNING; | |
c493f2d8 | 11707 | |
d62a17ae | 11708 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ |
11709 | argv_find(argv, argc, "neighbors", &idx); | |
11710 | peerstr = argv[++idx]->arg; | |
8c3deaae | 11711 | |
d62a17ae | 11712 | peer = peer_lookup_in_view(vty, bgp, peerstr, uj); |
9e6e6f46 | 11713 | if (!peer) |
d62a17ae | 11714 | return CMD_WARNING; |
bb46e94f | 11715 | |
d62a17ae | 11716 | if (argv_find(argv, argc, "flap-statistics", &idx)) |
11717 | sh_type = bgp_show_type_flap_neighbor; | |
11718 | else if (argv_find(argv, argc, "dampened-routes", &idx)) | |
11719 | sh_type = bgp_show_type_damp_neighbor; | |
11720 | else if (argv_find(argv, argc, "routes", &idx)) | |
11721 | sh_type = bgp_show_type_neighbor; | |
2525cf39 | 11722 | |
d62a17ae | 11723 | return bgp_show_neighbor_route(vty, peer, afi, safi, sh_type, uj); |
50ef26d4 | 11724 | } |
6b0655a2 | 11725 | |
734b349e | 11726 | struct bgp_table *bgp_distance_table[AFI_MAX][SAFI_MAX]; |
718e3744 | 11727 | |
d62a17ae | 11728 | struct bgp_distance { |
11729 | /* Distance value for the IP source prefix. */ | |
d7c0a89a | 11730 | uint8_t distance; |
718e3744 | 11731 | |
d62a17ae | 11732 | /* Name of the access-list to be matched. */ |
11733 | char *access_list; | |
718e3744 | 11734 | }; |
11735 | ||
4f280b15 LB |
11736 | DEFUN (show_bgp_afi_vpn_rd_route, |
11737 | show_bgp_afi_vpn_rd_route_cmd, | |
d114b977 | 11738 | "show bgp "BGP_AFI_CMD_STR" vpn rd ASN:NN_OR_IP-ADDRESS:NN <A.B.C.D/M|X:X::X:X/M> [json]", |
4f280b15 LB |
11739 | SHOW_STR |
11740 | BGP_STR | |
11741 | BGP_AFI_HELP_STR | |
11742 | "Address Family modifier\n" | |
11743 | "Display information for a route distinguisher\n" | |
11744 | "Route Distinguisher\n" | |
7395a2c9 DS |
11745 | "Network in the BGP routing table to display\n" |
11746 | "Network in the BGP routing table to display\n" | |
11747 | JSON_STR) | |
4f280b15 | 11748 | { |
d62a17ae | 11749 | int ret; |
11750 | struct prefix_rd prd; | |
11751 | afi_t afi = AFI_MAX; | |
11752 | int idx = 0; | |
4f280b15 | 11753 | |
ff6566f3 DS |
11754 | if (!argv_find_and_parse_afi(argv, argc, &idx, &afi)) { |
11755 | vty_out(vty, "%% Malformed Address Family\n"); | |
11756 | return CMD_WARNING; | |
11757 | } | |
11758 | ||
d62a17ae | 11759 | ret = str2prefix_rd(argv[5]->arg, &prd); |
11760 | if (!ret) { | |
11761 | vty_out(vty, "%% Malformed Route Distinguisher\n"); | |
11762 | return CMD_WARNING; | |
11763 | } | |
ff6566f3 | 11764 | |
d62a17ae | 11765 | return bgp_show_route(vty, NULL, argv[6]->arg, afi, SAFI_MPLS_VPN, &prd, |
360660c6 | 11766 | 0, BGP_PATH_SHOW_ALL, use_json(argc, argv)); |
4f280b15 LB |
11767 | } |
11768 | ||
d62a17ae | 11769 | static struct bgp_distance *bgp_distance_new(void) |
718e3744 | 11770 | { |
d62a17ae | 11771 | return XCALLOC(MTYPE_BGP_DISTANCE, sizeof(struct bgp_distance)); |
718e3744 | 11772 | } |
11773 | ||
d62a17ae | 11774 | static void bgp_distance_free(struct bgp_distance *bdistance) |
718e3744 | 11775 | { |
d62a17ae | 11776 | XFREE(MTYPE_BGP_DISTANCE, bdistance); |
718e3744 | 11777 | } |
11778 | ||
d62a17ae | 11779 | static int bgp_distance_set(struct vty *vty, const char *distance_str, |
11780 | const char *ip_str, const char *access_list_str) | |
718e3744 | 11781 | { |
d62a17ae | 11782 | int ret; |
11783 | afi_t afi; | |
11784 | safi_t safi; | |
11785 | struct prefix p; | |
d7c0a89a | 11786 | uint8_t distance; |
d62a17ae | 11787 | struct bgp_node *rn; |
11788 | struct bgp_distance *bdistance; | |
718e3744 | 11789 | |
d62a17ae | 11790 | afi = bgp_node_afi(vty); |
11791 | safi = bgp_node_safi(vty); | |
734b349e | 11792 | |
d62a17ae | 11793 | ret = str2prefix(ip_str, &p); |
11794 | if (ret == 0) { | |
11795 | vty_out(vty, "Malformed prefix\n"); | |
11796 | return CMD_WARNING_CONFIG_FAILED; | |
11797 | } | |
718e3744 | 11798 | |
d62a17ae | 11799 | distance = atoi(distance_str); |
718e3744 | 11800 | |
d62a17ae | 11801 | /* Get BGP distance node. */ |
11802 | rn = bgp_node_get(bgp_distance_table[afi][safi], (struct prefix *)&p); | |
5b00b40e | 11803 | bdistance = bgp_node_get_bgp_distance_info(rn); |
ca2e160d | 11804 | if (bdistance) |
d62a17ae | 11805 | bgp_unlock_node(rn); |
ca2e160d | 11806 | else { |
d62a17ae | 11807 | bdistance = bgp_distance_new(); |
5b00b40e | 11808 | bgp_node_set_bgp_distance_info(rn, bdistance); |
d62a17ae | 11809 | } |
718e3744 | 11810 | |
d62a17ae | 11811 | /* Set distance value. */ |
11812 | bdistance->distance = distance; | |
718e3744 | 11813 | |
d62a17ae | 11814 | /* Reset access-list configuration. */ |
11815 | if (bdistance->access_list) { | |
11816 | XFREE(MTYPE_AS_LIST, bdistance->access_list); | |
11817 | bdistance->access_list = NULL; | |
11818 | } | |
11819 | if (access_list_str) | |
11820 | bdistance->access_list = | |
11821 | XSTRDUP(MTYPE_AS_LIST, access_list_str); | |
718e3744 | 11822 | |
d62a17ae | 11823 | return CMD_SUCCESS; |
718e3744 | 11824 | } |
11825 | ||
d62a17ae | 11826 | static int bgp_distance_unset(struct vty *vty, const char *distance_str, |
11827 | const char *ip_str, const char *access_list_str) | |
718e3744 | 11828 | { |
d62a17ae | 11829 | int ret; |
11830 | afi_t afi; | |
11831 | safi_t safi; | |
11832 | struct prefix p; | |
11833 | int distance; | |
11834 | struct bgp_node *rn; | |
11835 | struct bgp_distance *bdistance; | |
718e3744 | 11836 | |
d62a17ae | 11837 | afi = bgp_node_afi(vty); |
11838 | safi = bgp_node_safi(vty); | |
734b349e | 11839 | |
d62a17ae | 11840 | ret = str2prefix(ip_str, &p); |
11841 | if (ret == 0) { | |
11842 | vty_out(vty, "Malformed prefix\n"); | |
11843 | return CMD_WARNING_CONFIG_FAILED; | |
11844 | } | |
718e3744 | 11845 | |
d62a17ae | 11846 | rn = bgp_node_lookup(bgp_distance_table[afi][safi], |
11847 | (struct prefix *)&p); | |
11848 | if (!rn) { | |
11849 | vty_out(vty, "Can't find specified prefix\n"); | |
11850 | return CMD_WARNING_CONFIG_FAILED; | |
11851 | } | |
718e3744 | 11852 | |
5b00b40e | 11853 | bdistance = bgp_node_get_bgp_distance_info(rn); |
d62a17ae | 11854 | distance = atoi(distance_str); |
1f9a9fff | 11855 | |
d62a17ae | 11856 | if (bdistance->distance != distance) { |
11857 | vty_out(vty, "Distance does not match configured\n"); | |
11858 | return CMD_WARNING_CONFIG_FAILED; | |
11859 | } | |
718e3744 | 11860 | |
0a22ddfb | 11861 | XFREE(MTYPE_AS_LIST, bdistance->access_list); |
d62a17ae | 11862 | bgp_distance_free(bdistance); |
718e3744 | 11863 | |
6f94b685 | 11864 | bgp_node_set_bgp_path_info(rn, NULL); |
d62a17ae | 11865 | bgp_unlock_node(rn); |
11866 | bgp_unlock_node(rn); | |
718e3744 | 11867 | |
d62a17ae | 11868 | return CMD_SUCCESS; |
718e3744 | 11869 | } |
11870 | ||
718e3744 | 11871 | /* Apply BGP information to distance method. */ |
40381db7 | 11872 | uint8_t bgp_distance_apply(struct prefix *p, struct bgp_path_info *pinfo, |
4b7e6066 | 11873 | afi_t afi, safi_t safi, struct bgp *bgp) |
d62a17ae | 11874 | { |
11875 | struct bgp_node *rn; | |
11876 | struct prefix q; | |
11877 | struct peer *peer; | |
11878 | struct bgp_distance *bdistance; | |
11879 | struct access_list *alist; | |
11880 | struct bgp_static *bgp_static; | |
11881 | ||
11882 | if (!bgp) | |
11883 | return 0; | |
11884 | ||
40381db7 | 11885 | peer = pinfo->peer; |
d62a17ae | 11886 | |
7b7d48e5 DS |
11887 | if (pinfo->attr->distance) |
11888 | return pinfo->attr->distance; | |
11889 | ||
d62a17ae | 11890 | /* Check source address. */ |
11891 | sockunion2hostprefix(&peer->su, &q); | |
11892 | rn = bgp_node_match(bgp_distance_table[afi][safi], &q); | |
11893 | if (rn) { | |
5b00b40e | 11894 | bdistance = bgp_node_get_bgp_distance_info(rn); |
d62a17ae | 11895 | bgp_unlock_node(rn); |
11896 | ||
11897 | if (bdistance->access_list) { | |
11898 | alist = access_list_lookup(afi, bdistance->access_list); | |
11899 | if (alist | |
11900 | && access_list_apply(alist, p) == FILTER_PERMIT) | |
11901 | return bdistance->distance; | |
11902 | } else | |
11903 | return bdistance->distance; | |
718e3744 | 11904 | } |
718e3744 | 11905 | |
d62a17ae | 11906 | /* Backdoor check. */ |
11907 | rn = bgp_node_lookup(bgp->route[afi][safi], p); | |
11908 | if (rn) { | |
5a8ba9fc | 11909 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 11910 | bgp_unlock_node(rn); |
718e3744 | 11911 | |
d62a17ae | 11912 | if (bgp_static->backdoor) { |
11913 | if (bgp->distance_local[afi][safi]) | |
11914 | return bgp->distance_local[afi][safi]; | |
11915 | else | |
11916 | return ZEBRA_IBGP_DISTANCE_DEFAULT; | |
11917 | } | |
718e3744 | 11918 | } |
718e3744 | 11919 | |
d62a17ae | 11920 | if (peer->sort == BGP_PEER_EBGP) { |
11921 | if (bgp->distance_ebgp[afi][safi]) | |
11922 | return bgp->distance_ebgp[afi][safi]; | |
11923 | return ZEBRA_EBGP_DISTANCE_DEFAULT; | |
11924 | } else { | |
11925 | if (bgp->distance_ibgp[afi][safi]) | |
11926 | return bgp->distance_ibgp[afi][safi]; | |
11927 | return ZEBRA_IBGP_DISTANCE_DEFAULT; | |
11928 | } | |
718e3744 | 11929 | } |
11930 | ||
11931 | DEFUN (bgp_distance, | |
11932 | bgp_distance_cmd, | |
6147e2c6 | 11933 | "distance bgp (1-255) (1-255) (1-255)", |
718e3744 | 11934 | "Define an administrative distance\n" |
11935 | "BGP distance\n" | |
11936 | "Distance for routes external to the AS\n" | |
11937 | "Distance for routes internal to the AS\n" | |
11938 | "Distance for local routes\n") | |
11939 | { | |
d62a17ae | 11940 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
11941 | int idx_number = 2; | |
11942 | int idx_number_2 = 3; | |
11943 | int idx_number_3 = 4; | |
11944 | afi_t afi; | |
11945 | safi_t safi; | |
718e3744 | 11946 | |
d62a17ae | 11947 | afi = bgp_node_afi(vty); |
11948 | safi = bgp_node_safi(vty); | |
718e3744 | 11949 | |
d62a17ae | 11950 | bgp->distance_ebgp[afi][safi] = atoi(argv[idx_number]->arg); |
11951 | bgp->distance_ibgp[afi][safi] = atoi(argv[idx_number_2]->arg); | |
11952 | bgp->distance_local[afi][safi] = atoi(argv[idx_number_3]->arg); | |
11953 | return CMD_SUCCESS; | |
718e3744 | 11954 | } |
11955 | ||
11956 | DEFUN (no_bgp_distance, | |
11957 | no_bgp_distance_cmd, | |
a636c635 | 11958 | "no distance bgp [(1-255) (1-255) (1-255)]", |
718e3744 | 11959 | NO_STR |
11960 | "Define an administrative distance\n" | |
11961 | "BGP distance\n" | |
11962 | "Distance for routes external to the AS\n" | |
11963 | "Distance for routes internal to the AS\n" | |
11964 | "Distance for local routes\n") | |
11965 | { | |
d62a17ae | 11966 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
11967 | afi_t afi; | |
11968 | safi_t safi; | |
718e3744 | 11969 | |
d62a17ae | 11970 | afi = bgp_node_afi(vty); |
11971 | safi = bgp_node_safi(vty); | |
718e3744 | 11972 | |
d62a17ae | 11973 | bgp->distance_ebgp[afi][safi] = 0; |
11974 | bgp->distance_ibgp[afi][safi] = 0; | |
11975 | bgp->distance_local[afi][safi] = 0; | |
11976 | return CMD_SUCCESS; | |
718e3744 | 11977 | } |
11978 | ||
718e3744 | 11979 | |
11980 | DEFUN (bgp_distance_source, | |
11981 | bgp_distance_source_cmd, | |
6147e2c6 | 11982 | "distance (1-255) A.B.C.D/M", |
718e3744 | 11983 | "Define an administrative distance\n" |
11984 | "Administrative distance\n" | |
11985 | "IP source prefix\n") | |
11986 | { | |
d62a17ae | 11987 | int idx_number = 1; |
11988 | int idx_ipv4_prefixlen = 2; | |
11989 | bgp_distance_set(vty, argv[idx_number]->arg, | |
11990 | argv[idx_ipv4_prefixlen]->arg, NULL); | |
11991 | return CMD_SUCCESS; | |
718e3744 | 11992 | } |
11993 | ||
11994 | DEFUN (no_bgp_distance_source, | |
11995 | no_bgp_distance_source_cmd, | |
6147e2c6 | 11996 | "no distance (1-255) A.B.C.D/M", |
718e3744 | 11997 | NO_STR |
11998 | "Define an administrative distance\n" | |
11999 | "Administrative distance\n" | |
12000 | "IP source prefix\n") | |
12001 | { | |
d62a17ae | 12002 | int idx_number = 2; |
12003 | int idx_ipv4_prefixlen = 3; | |
12004 | bgp_distance_unset(vty, argv[idx_number]->arg, | |
12005 | argv[idx_ipv4_prefixlen]->arg, NULL); | |
12006 | return CMD_SUCCESS; | |
718e3744 | 12007 | } |
12008 | ||
12009 | DEFUN (bgp_distance_source_access_list, | |
12010 | bgp_distance_source_access_list_cmd, | |
6147e2c6 | 12011 | "distance (1-255) A.B.C.D/M WORD", |
718e3744 | 12012 | "Define an administrative distance\n" |
12013 | "Administrative distance\n" | |
12014 | "IP source prefix\n" | |
12015 | "Access list name\n") | |
12016 | { | |
d62a17ae | 12017 | int idx_number = 1; |
12018 | int idx_ipv4_prefixlen = 2; | |
12019 | int idx_word = 3; | |
12020 | bgp_distance_set(vty, argv[idx_number]->arg, | |
12021 | argv[idx_ipv4_prefixlen]->arg, argv[idx_word]->arg); | |
12022 | return CMD_SUCCESS; | |
718e3744 | 12023 | } |
12024 | ||
12025 | DEFUN (no_bgp_distance_source_access_list, | |
12026 | no_bgp_distance_source_access_list_cmd, | |
6147e2c6 | 12027 | "no distance (1-255) A.B.C.D/M WORD", |
718e3744 | 12028 | NO_STR |
12029 | "Define an administrative distance\n" | |
12030 | "Administrative distance\n" | |
12031 | "IP source prefix\n" | |
12032 | "Access list name\n") | |
12033 | { | |
d62a17ae | 12034 | int idx_number = 2; |
12035 | int idx_ipv4_prefixlen = 3; | |
12036 | int idx_word = 4; | |
12037 | bgp_distance_unset(vty, argv[idx_number]->arg, | |
12038 | argv[idx_ipv4_prefixlen]->arg, argv[idx_word]->arg); | |
12039 | return CMD_SUCCESS; | |
718e3744 | 12040 | } |
6b0655a2 | 12041 | |
734b349e MZ |
12042 | DEFUN (ipv6_bgp_distance_source, |
12043 | ipv6_bgp_distance_source_cmd, | |
39e92c06 | 12044 | "distance (1-255) X:X::X:X/M", |
734b349e MZ |
12045 | "Define an administrative distance\n" |
12046 | "Administrative distance\n" | |
12047 | "IP source prefix\n") | |
12048 | { | |
d62a17ae | 12049 | bgp_distance_set(vty, argv[1]->arg, argv[2]->arg, NULL); |
12050 | return CMD_SUCCESS; | |
734b349e MZ |
12051 | } |
12052 | ||
12053 | DEFUN (no_ipv6_bgp_distance_source, | |
12054 | no_ipv6_bgp_distance_source_cmd, | |
39e92c06 | 12055 | "no distance (1-255) X:X::X:X/M", |
734b349e MZ |
12056 | NO_STR |
12057 | "Define an administrative distance\n" | |
12058 | "Administrative distance\n" | |
12059 | "IP source prefix\n") | |
12060 | { | |
d62a17ae | 12061 | bgp_distance_unset(vty, argv[2]->arg, argv[3]->arg, NULL); |
12062 | return CMD_SUCCESS; | |
734b349e MZ |
12063 | } |
12064 | ||
12065 | DEFUN (ipv6_bgp_distance_source_access_list, | |
12066 | ipv6_bgp_distance_source_access_list_cmd, | |
39e92c06 | 12067 | "distance (1-255) X:X::X:X/M WORD", |
734b349e MZ |
12068 | "Define an administrative distance\n" |
12069 | "Administrative distance\n" | |
12070 | "IP source prefix\n" | |
12071 | "Access list name\n") | |
12072 | { | |
d62a17ae | 12073 | bgp_distance_set(vty, argv[1]->arg, argv[2]->arg, argv[3]->arg); |
12074 | return CMD_SUCCESS; | |
734b349e MZ |
12075 | } |
12076 | ||
12077 | DEFUN (no_ipv6_bgp_distance_source_access_list, | |
12078 | no_ipv6_bgp_distance_source_access_list_cmd, | |
39e92c06 | 12079 | "no distance (1-255) X:X::X:X/M WORD", |
734b349e MZ |
12080 | NO_STR |
12081 | "Define an administrative distance\n" | |
12082 | "Administrative distance\n" | |
12083 | "IP source prefix\n" | |
12084 | "Access list name\n") | |
12085 | { | |
d62a17ae | 12086 | bgp_distance_unset(vty, argv[2]->arg, argv[3]->arg, argv[4]->arg); |
12087 | return CMD_SUCCESS; | |
734b349e MZ |
12088 | } |
12089 | ||
718e3744 | 12090 | DEFUN (bgp_damp_set, |
12091 | bgp_damp_set_cmd, | |
31500417 | 12092 | "bgp dampening [(1-45) [(1-20000) (1-20000) (1-255)]]", |
718e3744 | 12093 | "BGP Specific commands\n" |
12094 | "Enable route-flap dampening\n" | |
12095 | "Half-life time for the penalty\n" | |
12096 | "Value to start reusing a route\n" | |
12097 | "Value to start suppressing a route\n" | |
12098 | "Maximum duration to suppress a stable route\n") | |
12099 | { | |
d62a17ae | 12100 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
12101 | int idx_half_life = 2; | |
12102 | int idx_reuse = 3; | |
12103 | int idx_suppress = 4; | |
12104 | int idx_max_suppress = 5; | |
12105 | int half = DEFAULT_HALF_LIFE * 60; | |
12106 | int reuse = DEFAULT_REUSE; | |
12107 | int suppress = DEFAULT_SUPPRESS; | |
12108 | int max = 4 * half; | |
12109 | ||
12110 | if (argc == 6) { | |
12111 | half = atoi(argv[idx_half_life]->arg) * 60; | |
12112 | reuse = atoi(argv[idx_reuse]->arg); | |
12113 | suppress = atoi(argv[idx_suppress]->arg); | |
12114 | max = atoi(argv[idx_max_suppress]->arg) * 60; | |
12115 | } else if (argc == 3) { | |
12116 | half = atoi(argv[idx_half_life]->arg) * 60; | |
12117 | max = 4 * half; | |
12118 | } | |
718e3744 | 12119 | |
d62a17ae | 12120 | if (suppress < reuse) { |
12121 | vty_out(vty, | |
12122 | "Suppress value cannot be less than reuse value \n"); | |
12123 | return 0; | |
12124 | } | |
7ebe9748 | 12125 | |
d62a17ae | 12126 | return bgp_damp_enable(bgp, bgp_node_afi(vty), bgp_node_safi(vty), half, |
12127 | reuse, suppress, max); | |
718e3744 | 12128 | } |
12129 | ||
718e3744 | 12130 | DEFUN (bgp_damp_unset, |
12131 | bgp_damp_unset_cmd, | |
d04c479d | 12132 | "no bgp dampening [(1-45) [(1-20000) (1-20000) (1-255)]]", |
718e3744 | 12133 | NO_STR |
12134 | "BGP Specific commands\n" | |
16cedbb0 QY |
12135 | "Enable route-flap dampening\n" |
12136 | "Half-life time for the penalty\n" | |
12137 | "Value to start reusing a route\n" | |
12138 | "Value to start suppressing a route\n" | |
12139 | "Maximum duration to suppress a stable route\n") | |
718e3744 | 12140 | { |
d62a17ae | 12141 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
12142 | return bgp_damp_disable(bgp, bgp_node_afi(vty), bgp_node_safi(vty)); | |
718e3744 | 12143 | } |
12144 | ||
718e3744 | 12145 | /* Display specified route of BGP table. */ |
d62a17ae | 12146 | static int bgp_clear_damp_route(struct vty *vty, const char *view_name, |
12147 | const char *ip_str, afi_t afi, safi_t safi, | |
12148 | struct prefix_rd *prd, int prefix_check) | |
12149 | { | |
12150 | int ret; | |
12151 | struct prefix match; | |
12152 | struct bgp_node *rn; | |
12153 | struct bgp_node *rm; | |
40381db7 DS |
12154 | struct bgp_path_info *pi; |
12155 | struct bgp_path_info *pi_temp; | |
d62a17ae | 12156 | struct bgp *bgp; |
12157 | struct bgp_table *table; | |
12158 | ||
12159 | /* BGP structure lookup. */ | |
12160 | if (view_name) { | |
12161 | bgp = bgp_lookup_by_name(view_name); | |
12162 | if (bgp == NULL) { | |
12163 | vty_out(vty, "%% Can't find BGP instance %s\n", | |
12164 | view_name); | |
12165 | return CMD_WARNING; | |
12166 | } | |
12167 | } else { | |
12168 | bgp = bgp_get_default(); | |
12169 | if (bgp == NULL) { | |
12170 | vty_out(vty, "%% No BGP process is configured\n"); | |
12171 | return CMD_WARNING; | |
12172 | } | |
718e3744 | 12173 | } |
718e3744 | 12174 | |
d62a17ae | 12175 | /* Check IP address argument. */ |
12176 | ret = str2prefix(ip_str, &match); | |
12177 | if (!ret) { | |
12178 | vty_out(vty, "%% address is malformed\n"); | |
12179 | return CMD_WARNING; | |
12180 | } | |
718e3744 | 12181 | |
d62a17ae | 12182 | match.family = afi2family(afi); |
12183 | ||
12184 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) | |
12185 | || (safi == SAFI_EVPN)) { | |
12186 | for (rn = bgp_table_top(bgp->rib[AFI_IP][safi]); rn; | |
12187 | rn = bgp_route_next(rn)) { | |
12188 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
12189 | continue; | |
67009e22 DS |
12190 | table = bgp_node_get_bgp_table_info(rn); |
12191 | if (!table) | |
ea47320b DL |
12192 | continue; |
12193 | if ((rm = bgp_node_match(table, &match)) == NULL) | |
12194 | continue; | |
d62a17ae | 12195 | |
ea47320b DL |
12196 | if (!prefix_check |
12197 | || rm->p.prefixlen == match.prefixlen) { | |
6f94b685 | 12198 | pi = bgp_node_get_bgp_path_info(rm); |
40381db7 DS |
12199 | while (pi) { |
12200 | if (pi->extra && pi->extra->damp_info) { | |
12201 | pi_temp = pi->next; | |
ea47320b | 12202 | bgp_damp_info_free( |
40381db7 | 12203 | pi->extra->damp_info, |
a935f597 | 12204 | 1, afi, safi); |
40381db7 | 12205 | pi = pi_temp; |
ea47320b | 12206 | } else |
40381db7 | 12207 | pi = pi->next; |
d62a17ae | 12208 | } |
ea47320b DL |
12209 | } |
12210 | ||
12211 | bgp_unlock_node(rm); | |
d62a17ae | 12212 | } |
12213 | } else { | |
12214 | if ((rn = bgp_node_match(bgp->rib[afi][safi], &match)) | |
12215 | != NULL) { | |
12216 | if (!prefix_check | |
12217 | || rn->p.prefixlen == match.prefixlen) { | |
6f94b685 | 12218 | pi = bgp_node_get_bgp_path_info(rn); |
40381db7 DS |
12219 | while (pi) { |
12220 | if (pi->extra && pi->extra->damp_info) { | |
12221 | pi_temp = pi->next; | |
d62a17ae | 12222 | bgp_damp_info_free( |
40381db7 | 12223 | pi->extra->damp_info, |
a935f597 | 12224 | 1, afi, safi); |
40381db7 | 12225 | pi = pi_temp; |
d62a17ae | 12226 | } else |
40381db7 | 12227 | pi = pi->next; |
d62a17ae | 12228 | } |
12229 | } | |
12230 | ||
12231 | bgp_unlock_node(rn); | |
12232 | } | |
12233 | } | |
718e3744 | 12234 | |
d62a17ae | 12235 | return CMD_SUCCESS; |
718e3744 | 12236 | } |
12237 | ||
12238 | DEFUN (clear_ip_bgp_dampening, | |
12239 | clear_ip_bgp_dampening_cmd, | |
12240 | "clear ip bgp dampening", | |
12241 | CLEAR_STR | |
12242 | IP_STR | |
12243 | BGP_STR | |
12244 | "Clear route flap dampening information\n") | |
12245 | { | |
a935f597 | 12246 | bgp_damp_info_clean(AFI_IP, SAFI_UNICAST); |
d62a17ae | 12247 | return CMD_SUCCESS; |
718e3744 | 12248 | } |
12249 | ||
12250 | DEFUN (clear_ip_bgp_dampening_prefix, | |
12251 | clear_ip_bgp_dampening_prefix_cmd, | |
12252 | "clear ip bgp dampening A.B.C.D/M", | |
12253 | CLEAR_STR | |
12254 | IP_STR | |
12255 | BGP_STR | |
12256 | "Clear route flap dampening information\n" | |
0c7b1b01 | 12257 | "IPv4 prefix\n") |
718e3744 | 12258 | { |
d62a17ae | 12259 | int idx_ipv4_prefixlen = 4; |
12260 | return bgp_clear_damp_route(vty, NULL, argv[idx_ipv4_prefixlen]->arg, | |
12261 | AFI_IP, SAFI_UNICAST, NULL, 1); | |
718e3744 | 12262 | } |
12263 | ||
12264 | DEFUN (clear_ip_bgp_dampening_address, | |
12265 | clear_ip_bgp_dampening_address_cmd, | |
12266 | "clear ip bgp dampening A.B.C.D", | |
12267 | CLEAR_STR | |
12268 | IP_STR | |
12269 | BGP_STR | |
12270 | "Clear route flap dampening information\n" | |
12271 | "Network to clear damping information\n") | |
12272 | { | |
d62a17ae | 12273 | int idx_ipv4 = 4; |
12274 | return bgp_clear_damp_route(vty, NULL, argv[idx_ipv4]->arg, AFI_IP, | |
12275 | SAFI_UNICAST, NULL, 0); | |
718e3744 | 12276 | } |
12277 | ||
12278 | DEFUN (clear_ip_bgp_dampening_address_mask, | |
12279 | clear_ip_bgp_dampening_address_mask_cmd, | |
12280 | "clear ip bgp dampening A.B.C.D A.B.C.D", | |
12281 | CLEAR_STR | |
12282 | IP_STR | |
12283 | BGP_STR | |
12284 | "Clear route flap dampening information\n" | |
12285 | "Network to clear damping information\n" | |
12286 | "Network mask\n") | |
12287 | { | |
d62a17ae | 12288 | int idx_ipv4 = 4; |
12289 | int idx_ipv4_2 = 5; | |
12290 | int ret; | |
12291 | char prefix_str[BUFSIZ]; | |
718e3744 | 12292 | |
d62a17ae | 12293 | ret = netmask_str2prefix_str(argv[idx_ipv4]->arg, argv[idx_ipv4_2]->arg, |
12294 | prefix_str); | |
12295 | if (!ret) { | |
12296 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
12297 | return CMD_WARNING; | |
12298 | } | |
718e3744 | 12299 | |
d62a17ae | 12300 | return bgp_clear_damp_route(vty, NULL, prefix_str, AFI_IP, SAFI_UNICAST, |
12301 | NULL, 0); | |
718e3744 | 12302 | } |
6b0655a2 | 12303 | |
e3b78da8 | 12304 | static void show_bgp_peerhash_entry(struct hash_bucket *bucket, void *arg) |
825d9834 DS |
12305 | { |
12306 | struct vty *vty = arg; | |
e3b78da8 | 12307 | struct peer *peer = bucket->data; |
825d9834 DS |
12308 | char buf[SU_ADDRSTRLEN]; |
12309 | ||
12310 | vty_out(vty, "\tPeer: %s %s\n", peer->host, | |
12311 | sockunion2str(&peer->su, buf, sizeof(buf))); | |
12312 | } | |
12313 | ||
12314 | DEFUN (show_bgp_peerhash, | |
12315 | show_bgp_peerhash_cmd, | |
12316 | "show bgp peerhash", | |
12317 | SHOW_STR | |
12318 | BGP_STR | |
12319 | "Display information about the BGP peerhash\n") | |
12320 | { | |
12321 | struct list *instances = bm->bgp; | |
12322 | struct listnode *node; | |
12323 | struct bgp *bgp; | |
12324 | ||
12325 | for (ALL_LIST_ELEMENTS_RO(instances, node, bgp)) { | |
12326 | vty_out(vty, "BGP: %s\n", bgp->name); | |
12327 | hash_iterate(bgp->peerhash, show_bgp_peerhash_entry, | |
12328 | vty); | |
12329 | } | |
12330 | ||
12331 | return CMD_SUCCESS; | |
12332 | } | |
12333 | ||
587ff0fd | 12334 | /* also used for encap safi */ |
2b791107 DL |
12335 | static void bgp_config_write_network_vpn(struct vty *vty, struct bgp *bgp, |
12336 | afi_t afi, safi_t safi) | |
d62a17ae | 12337 | { |
12338 | struct bgp_node *prn; | |
12339 | struct bgp_node *rn; | |
12340 | struct bgp_table *table; | |
12341 | struct prefix *p; | |
12342 | struct prefix_rd *prd; | |
12343 | struct bgp_static *bgp_static; | |
12344 | mpls_label_t label; | |
12345 | char buf[SU_ADDRSTRLEN]; | |
12346 | char rdbuf[RD_ADDRSTRLEN]; | |
12347 | ||
12348 | /* Network configuration. */ | |
12349 | for (prn = bgp_table_top(bgp->route[afi][safi]); prn; | |
ea47320b | 12350 | prn = bgp_route_next(prn)) { |
67009e22 DS |
12351 | table = bgp_node_get_bgp_table_info(prn); |
12352 | if (!table) | |
ea47320b | 12353 | continue; |
d62a17ae | 12354 | |
60466a63 | 12355 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
5a8ba9fc | 12356 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12357 | if (bgp_static == NULL) |
ea47320b | 12358 | continue; |
d62a17ae | 12359 | |
ea47320b DL |
12360 | p = &rn->p; |
12361 | prd = (struct prefix_rd *)&prn->p; | |
d62a17ae | 12362 | |
ea47320b | 12363 | /* "network" configuration display. */ |
06b9f471 | 12364 | prefix_rd2str(prd, rdbuf, sizeof(rdbuf)); |
ea47320b DL |
12365 | label = decode_label(&bgp_static->label); |
12366 | ||
12367 | vty_out(vty, " network %s/%d rd %s", | |
12368 | inet_ntop(p->family, &p->u.prefix, buf, | |
12369 | SU_ADDRSTRLEN), | |
12370 | p->prefixlen, rdbuf); | |
12371 | if (safi == SAFI_MPLS_VPN) | |
12372 | vty_out(vty, " label %u", label); | |
12373 | ||
12374 | if (bgp_static->rmap.name) | |
12375 | vty_out(vty, " route-map %s", | |
12376 | bgp_static->rmap.name); | |
e2a86ad9 DS |
12377 | |
12378 | if (bgp_static->backdoor) | |
12379 | vty_out(vty, " backdoor"); | |
12380 | ||
ea47320b DL |
12381 | vty_out(vty, "\n"); |
12382 | } | |
12383 | } | |
d62a17ae | 12384 | } |
12385 | ||
2b791107 DL |
12386 | static void bgp_config_write_network_evpn(struct vty *vty, struct bgp *bgp, |
12387 | afi_t afi, safi_t safi) | |
d62a17ae | 12388 | { |
12389 | struct bgp_node *prn; | |
12390 | struct bgp_node *rn; | |
12391 | struct bgp_table *table; | |
12392 | struct prefix *p; | |
12393 | struct prefix_rd *prd; | |
12394 | struct bgp_static *bgp_static; | |
ff44f570 | 12395 | char buf[PREFIX_STRLEN * 2]; |
d62a17ae | 12396 | char buf2[SU_ADDRSTRLEN]; |
12397 | char rdbuf[RD_ADDRSTRLEN]; | |
12398 | ||
12399 | /* Network configuration. */ | |
12400 | for (prn = bgp_table_top(bgp->route[afi][safi]); prn; | |
ea47320b | 12401 | prn = bgp_route_next(prn)) { |
67009e22 DS |
12402 | table = bgp_node_get_bgp_table_info(prn); |
12403 | if (!table) | |
ea47320b | 12404 | continue; |
d62a17ae | 12405 | |
60466a63 | 12406 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
5a8ba9fc | 12407 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12408 | if (bgp_static == NULL) |
ea47320b | 12409 | continue; |
d62a17ae | 12410 | |
ea47320b DL |
12411 | char *macrouter = NULL; |
12412 | char *esi = NULL; | |
d62a17ae | 12413 | |
ea47320b DL |
12414 | if (bgp_static->router_mac) |
12415 | macrouter = prefix_mac2str( | |
12416 | bgp_static->router_mac, NULL, 0); | |
12417 | if (bgp_static->eth_s_id) | |
12418 | esi = esi2str(bgp_static->eth_s_id); | |
12419 | p = &rn->p; | |
12420 | prd = (struct prefix_rd *)&prn->p; | |
d62a17ae | 12421 | |
ea47320b | 12422 | /* "network" configuration display. */ |
06b9f471 | 12423 | prefix_rd2str(prd, rdbuf, sizeof(rdbuf)); |
197cb530 PG |
12424 | if (p->u.prefix_evpn.route_type == 5) { |
12425 | char local_buf[PREFIX_STRLEN]; | |
3714a385 | 12426 | uint8_t family = is_evpn_prefix_ipaddr_v4(( |
a4d82a8a PZ |
12427 | struct prefix_evpn *)p) |
12428 | ? AF_INET | |
12429 | : AF_INET6; | |
3714a385 | 12430 | inet_ntop(family, |
12431 | &p->u.prefix_evpn.prefix_addr.ip.ip.addr, | |
a4d82a8a PZ |
12432 | local_buf, PREFIX_STRLEN); |
12433 | sprintf(buf, "%s/%u", local_buf, | |
3714a385 | 12434 | p->u.prefix_evpn.prefix_addr.ip_prefix_length); |
197cb530 PG |
12435 | } else { |
12436 | prefix2str(p, buf, sizeof(buf)); | |
12437 | } | |
ea47320b | 12438 | |
a4d82a8a PZ |
12439 | if (bgp_static->gatewayIp.family == AF_INET |
12440 | || bgp_static->gatewayIp.family == AF_INET6) | |
197cb530 PG |
12441 | inet_ntop(bgp_static->gatewayIp.family, |
12442 | &bgp_static->gatewayIp.u.prefix, buf2, | |
12443 | sizeof(buf2)); | |
ea47320b | 12444 | vty_out(vty, |
7bcc8dac | 12445 | " network %s rd %s ethtag %u label %u esi %s gwip %s routermac %s\n", |
3714a385 | 12446 | buf, rdbuf, |
12447 | p->u.prefix_evpn.prefix_addr.eth_tag, | |
60466a63 | 12448 | decode_label(&bgp_static->label), esi, buf2, |
ea47320b DL |
12449 | macrouter); |
12450 | ||
0a22ddfb QY |
12451 | XFREE(MTYPE_TMP, macrouter); |
12452 | XFREE(MTYPE_TMP, esi); | |
ea47320b DL |
12453 | } |
12454 | } | |
3da6fcd5 PG |
12455 | } |
12456 | ||
718e3744 | 12457 | /* Configuration of static route announcement and aggregate |
12458 | information. */ | |
2b791107 DL |
12459 | void bgp_config_write_network(struct vty *vty, struct bgp *bgp, afi_t afi, |
12460 | safi_t safi) | |
d62a17ae | 12461 | { |
12462 | struct bgp_node *rn; | |
12463 | struct prefix *p; | |
12464 | struct bgp_static *bgp_static; | |
12465 | struct bgp_aggregate *bgp_aggregate; | |
12466 | char buf[SU_ADDRSTRLEN]; | |
12467 | ||
2b791107 DL |
12468 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP)) { |
12469 | bgp_config_write_network_vpn(vty, bgp, afi, safi); | |
12470 | return; | |
12471 | } | |
d62a17ae | 12472 | |
2b791107 DL |
12473 | if (afi == AFI_L2VPN && safi == SAFI_EVPN) { |
12474 | bgp_config_write_network_evpn(vty, bgp, afi, safi); | |
12475 | return; | |
12476 | } | |
d62a17ae | 12477 | |
12478 | /* Network configuration. */ | |
12479 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
ea47320b | 12480 | rn = bgp_route_next(rn)) { |
5a8ba9fc | 12481 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12482 | if (bgp_static == NULL) |
ea47320b | 12483 | continue; |
d62a17ae | 12484 | |
ea47320b | 12485 | p = &rn->p; |
d62a17ae | 12486 | |
d8a9922d DS |
12487 | vty_out(vty, " network %s/%d", |
12488 | inet_ntop(p->family, &p->u.prefix, buf, SU_ADDRSTRLEN), | |
12489 | p->prefixlen); | |
d62a17ae | 12490 | |
ea47320b DL |
12491 | if (bgp_static->label_index != BGP_INVALID_LABEL_INDEX) |
12492 | vty_out(vty, " label-index %u", | |
12493 | bgp_static->label_index); | |
d62a17ae | 12494 | |
ea47320b DL |
12495 | if (bgp_static->rmap.name) |
12496 | vty_out(vty, " route-map %s", bgp_static->rmap.name); | |
e2a86ad9 DS |
12497 | |
12498 | if (bgp_static->backdoor) | |
12499 | vty_out(vty, " backdoor"); | |
718e3744 | 12500 | |
ea47320b DL |
12501 | vty_out(vty, "\n"); |
12502 | } | |
12503 | ||
d62a17ae | 12504 | /* Aggregate-address configuration. */ |
12505 | for (rn = bgp_table_top(bgp->aggregate[afi][safi]); rn; | |
ea47320b | 12506 | rn = bgp_route_next(rn)) { |
b613a918 | 12507 | bgp_aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 12508 | if (bgp_aggregate == NULL) |
ea47320b | 12509 | continue; |
d62a17ae | 12510 | |
ea47320b | 12511 | p = &rn->p; |
d62a17ae | 12512 | |
d8a9922d DS |
12513 | vty_out(vty, " aggregate-address %s/%d", |
12514 | inet_ntop(p->family, &p->u.prefix, buf, SU_ADDRSTRLEN), | |
12515 | p->prefixlen); | |
d62a17ae | 12516 | |
ea47320b DL |
12517 | if (bgp_aggregate->as_set) |
12518 | vty_out(vty, " as-set"); | |
d62a17ae | 12519 | |
ea47320b DL |
12520 | if (bgp_aggregate->summary_only) |
12521 | vty_out(vty, " summary-only"); | |
718e3744 | 12522 | |
20894f50 DA |
12523 | if (bgp_aggregate->rmap.name) |
12524 | vty_out(vty, " route-map %s", bgp_aggregate->rmap.name); | |
12525 | ||
ea47320b DL |
12526 | vty_out(vty, "\n"); |
12527 | } | |
d62a17ae | 12528 | } |
734b349e | 12529 | |
2b791107 | 12530 | void bgp_config_write_distance(struct vty *vty, struct bgp *bgp, afi_t afi, |
60466a63 | 12531 | safi_t safi) |
d62a17ae | 12532 | { |
12533 | struct bgp_node *rn; | |
12534 | struct bgp_distance *bdistance; | |
12535 | ||
12536 | /* Distance configuration. */ | |
12537 | if (bgp->distance_ebgp[afi][safi] && bgp->distance_ibgp[afi][safi] | |
12538 | && bgp->distance_local[afi][safi] | |
12539 | && (bgp->distance_ebgp[afi][safi] != ZEBRA_EBGP_DISTANCE_DEFAULT | |
12540 | || bgp->distance_ibgp[afi][safi] != ZEBRA_IBGP_DISTANCE_DEFAULT | |
12541 | || bgp->distance_local[afi][safi] | |
12542 | != ZEBRA_IBGP_DISTANCE_DEFAULT)) { | |
d62a17ae | 12543 | vty_out(vty, " distance bgp %d %d %d\n", |
12544 | bgp->distance_ebgp[afi][safi], | |
12545 | bgp->distance_ibgp[afi][safi], | |
12546 | bgp->distance_local[afi][safi]); | |
12547 | } | |
734b349e | 12548 | |
d62a17ae | 12549 | for (rn = bgp_table_top(bgp_distance_table[afi][safi]); rn; |
ca2e160d | 12550 | rn = bgp_route_next(rn)) { |
5b00b40e | 12551 | bdistance = bgp_node_get_bgp_distance_info(rn); |
ca2e160d | 12552 | if (bdistance != NULL) { |
d62a17ae | 12553 | char buf[PREFIX_STRLEN]; |
12554 | ||
d62a17ae | 12555 | vty_out(vty, " distance %d %s %s\n", |
12556 | bdistance->distance, | |
12557 | prefix2str(&rn->p, buf, sizeof(buf)), | |
12558 | bdistance->access_list ? bdistance->access_list | |
12559 | : ""); | |
12560 | } | |
ca2e160d | 12561 | } |
718e3744 | 12562 | } |
12563 | ||
12564 | /* Allocate routing table structure and install commands. */ | |
d62a17ae | 12565 | void bgp_route_init(void) |
12566 | { | |
12567 | afi_t afi; | |
12568 | safi_t safi; | |
12569 | ||
12570 | /* Init BGP distance table. */ | |
05c7a1cc | 12571 | FOREACH_AFI_SAFI (afi, safi) |
960035b2 | 12572 | bgp_distance_table[afi][safi] = bgp_table_init(NULL, afi, safi); |
d62a17ae | 12573 | |
12574 | /* IPv4 BGP commands. */ | |
12575 | install_element(BGP_NODE, &bgp_table_map_cmd); | |
12576 | install_element(BGP_NODE, &bgp_network_cmd); | |
d62a17ae | 12577 | install_element(BGP_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12578 | |
12579 | install_element(BGP_NODE, &aggregate_address_cmd); | |
12580 | install_element(BGP_NODE, &aggregate_address_mask_cmd); | |
12581 | install_element(BGP_NODE, &no_aggregate_address_cmd); | |
12582 | install_element(BGP_NODE, &no_aggregate_address_mask_cmd); | |
12583 | ||
12584 | /* IPv4 unicast configuration. */ | |
12585 | install_element(BGP_IPV4_NODE, &bgp_table_map_cmd); | |
12586 | install_element(BGP_IPV4_NODE, &bgp_network_cmd); | |
d62a17ae | 12587 | install_element(BGP_IPV4_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12588 | |
12589 | install_element(BGP_IPV4_NODE, &aggregate_address_cmd); | |
12590 | install_element(BGP_IPV4_NODE, &aggregate_address_mask_cmd); | |
12591 | install_element(BGP_IPV4_NODE, &no_aggregate_address_cmd); | |
12592 | install_element(BGP_IPV4_NODE, &no_aggregate_address_mask_cmd); | |
12593 | ||
12594 | /* IPv4 multicast configuration. */ | |
12595 | install_element(BGP_IPV4M_NODE, &bgp_table_map_cmd); | |
12596 | install_element(BGP_IPV4M_NODE, &bgp_network_cmd); | |
d62a17ae | 12597 | install_element(BGP_IPV4M_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12598 | install_element(BGP_IPV4M_NODE, &aggregate_address_cmd); |
12599 | install_element(BGP_IPV4M_NODE, &aggregate_address_mask_cmd); | |
12600 | install_element(BGP_IPV4M_NODE, &no_aggregate_address_cmd); | |
12601 | install_element(BGP_IPV4M_NODE, &no_aggregate_address_mask_cmd); | |
12602 | ||
12603 | /* IPv4 labeled-unicast configuration. */ | |
12604 | install_element(VIEW_NODE, &show_ip_bgp_instance_all_cmd); | |
12605 | install_element(VIEW_NODE, &show_ip_bgp_cmd); | |
7b2ff250 | 12606 | install_element(VIEW_NODE, &show_ip_bgp_json_cmd); |
d62a17ae | 12607 | install_element(VIEW_NODE, &show_ip_bgp_route_cmd); |
12608 | install_element(VIEW_NODE, &show_ip_bgp_regexp_cmd); | |
12609 | ||
12610 | install_element(VIEW_NODE, | |
12611 | &show_ip_bgp_instance_neighbor_advertised_route_cmd); | |
12612 | install_element(VIEW_NODE, &show_ip_bgp_neighbor_routes_cmd); | |
12613 | install_element(VIEW_NODE, | |
12614 | &show_ip_bgp_neighbor_received_prefix_filter_cmd); | |
d6902373 | 12615 | #ifdef KEEP_OLD_VPN_COMMANDS |
d62a17ae | 12616 | install_element(VIEW_NODE, &show_ip_bgp_vpn_all_route_prefix_cmd); |
d6902373 | 12617 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
d62a17ae | 12618 | install_element(VIEW_NODE, &show_bgp_afi_vpn_rd_route_cmd); |
12619 | install_element(VIEW_NODE, | |
44c69747 | 12620 | &show_bgp_l2vpn_evpn_route_prefix_cmd); |
57d187bc | 12621 | |
d62a17ae | 12622 | /* BGP dampening clear commands */ |
12623 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_cmd); | |
12624 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_prefix_cmd); | |
718e3744 | 12625 | |
d62a17ae | 12626 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_address_cmd); |
12627 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_address_mask_cmd); | |
12628 | ||
12629 | /* prefix count */ | |
12630 | install_element(ENABLE_NODE, | |
12631 | &show_ip_bgp_instance_neighbor_prefix_counts_cmd); | |
d6902373 | 12632 | #ifdef KEEP_OLD_VPN_COMMANDS |
d62a17ae | 12633 | install_element(ENABLE_NODE, |
12634 | &show_ip_bgp_vpn_neighbor_prefix_counts_cmd); | |
d6902373 | 12635 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
ff7924f6 | 12636 | |
d62a17ae | 12637 | /* New config IPv6 BGP commands. */ |
12638 | install_element(BGP_IPV6_NODE, &bgp_table_map_cmd); | |
12639 | install_element(BGP_IPV6_NODE, &ipv6_bgp_network_cmd); | |
d62a17ae | 12640 | install_element(BGP_IPV6_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12641 | |
12642 | install_element(BGP_IPV6_NODE, &ipv6_aggregate_address_cmd); | |
12643 | install_element(BGP_IPV6_NODE, &no_ipv6_aggregate_address_cmd); | |
12644 | ||
12645 | install_element(BGP_IPV6M_NODE, &ipv6_bgp_network_cmd); | |
d62a17ae | 12646 | |
d62a17ae | 12647 | install_element(BGP_NODE, &bgp_distance_cmd); |
12648 | install_element(BGP_NODE, &no_bgp_distance_cmd); | |
12649 | install_element(BGP_NODE, &bgp_distance_source_cmd); | |
12650 | install_element(BGP_NODE, &no_bgp_distance_source_cmd); | |
12651 | install_element(BGP_NODE, &bgp_distance_source_access_list_cmd); | |
12652 | install_element(BGP_NODE, &no_bgp_distance_source_access_list_cmd); | |
12653 | install_element(BGP_IPV4_NODE, &bgp_distance_cmd); | |
12654 | install_element(BGP_IPV4_NODE, &no_bgp_distance_cmd); | |
12655 | install_element(BGP_IPV4_NODE, &bgp_distance_source_cmd); | |
12656 | install_element(BGP_IPV4_NODE, &no_bgp_distance_source_cmd); | |
12657 | install_element(BGP_IPV4_NODE, &bgp_distance_source_access_list_cmd); | |
12658 | install_element(BGP_IPV4_NODE, &no_bgp_distance_source_access_list_cmd); | |
12659 | install_element(BGP_IPV4M_NODE, &bgp_distance_cmd); | |
12660 | install_element(BGP_IPV4M_NODE, &no_bgp_distance_cmd); | |
12661 | install_element(BGP_IPV4M_NODE, &bgp_distance_source_cmd); | |
12662 | install_element(BGP_IPV4M_NODE, &no_bgp_distance_source_cmd); | |
12663 | install_element(BGP_IPV4M_NODE, &bgp_distance_source_access_list_cmd); | |
12664 | install_element(BGP_IPV4M_NODE, | |
12665 | &no_bgp_distance_source_access_list_cmd); | |
12666 | install_element(BGP_IPV6_NODE, &bgp_distance_cmd); | |
12667 | install_element(BGP_IPV6_NODE, &no_bgp_distance_cmd); | |
12668 | install_element(BGP_IPV6_NODE, &ipv6_bgp_distance_source_cmd); | |
12669 | install_element(BGP_IPV6_NODE, &no_ipv6_bgp_distance_source_cmd); | |
12670 | install_element(BGP_IPV6_NODE, | |
12671 | &ipv6_bgp_distance_source_access_list_cmd); | |
12672 | install_element(BGP_IPV6_NODE, | |
12673 | &no_ipv6_bgp_distance_source_access_list_cmd); | |
12674 | install_element(BGP_IPV6M_NODE, &bgp_distance_cmd); | |
12675 | install_element(BGP_IPV6M_NODE, &no_bgp_distance_cmd); | |
12676 | install_element(BGP_IPV6M_NODE, &ipv6_bgp_distance_source_cmd); | |
12677 | install_element(BGP_IPV6M_NODE, &no_ipv6_bgp_distance_source_cmd); | |
12678 | install_element(BGP_IPV6M_NODE, | |
12679 | &ipv6_bgp_distance_source_access_list_cmd); | |
12680 | install_element(BGP_IPV6M_NODE, | |
12681 | &no_ipv6_bgp_distance_source_access_list_cmd); | |
12682 | ||
12683 | install_element(BGP_NODE, &bgp_damp_set_cmd); | |
12684 | install_element(BGP_NODE, &bgp_damp_unset_cmd); | |
12685 | install_element(BGP_IPV4_NODE, &bgp_damp_set_cmd); | |
12686 | install_element(BGP_IPV4_NODE, &bgp_damp_unset_cmd); | |
12687 | ||
12688 | /* IPv4 Multicast Mode */ | |
12689 | install_element(BGP_IPV4M_NODE, &bgp_damp_set_cmd); | |
12690 | install_element(BGP_IPV4M_NODE, &bgp_damp_unset_cmd); | |
12691 | ||
12692 | /* Large Communities */ | |
12693 | install_element(VIEW_NODE, &show_ip_bgp_large_community_list_cmd); | |
12694 | install_element(VIEW_NODE, &show_ip_bgp_large_community_cmd); | |
dba3c1d3 PG |
12695 | |
12696 | /* show bgp ipv4 flowspec detailed */ | |
12697 | install_element(VIEW_NODE, &show_ip_bgp_flowspec_routes_detailed_cmd); | |
12698 | ||
825d9834 | 12699 | install_element(VIEW_NODE, &show_bgp_peerhash_cmd); |
d62a17ae | 12700 | } |
12701 | ||
12702 | void bgp_route_finish(void) | |
12703 | { | |
12704 | afi_t afi; | |
12705 | safi_t safi; | |
12706 | ||
05c7a1cc QY |
12707 | FOREACH_AFI_SAFI (afi, safi) { |
12708 | bgp_table_unlock(bgp_distance_table[afi][safi]); | |
12709 | bgp_distance_table[afi][safi] = NULL; | |
12710 | } | |
228da428 | 12711 | } |