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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) | |
199 | bgp_damp_info_free(e->damp_info, 0); | |
d62a17ae | 200 | |
c93a3b77 DS |
201 | e->damp_info = NULL; |
202 | if (e->parent) { | |
40381db7 | 203 | struct bgp_path_info *bpi = (struct bgp_path_info *)e->parent; |
c93a3b77 | 204 | |
40381db7 | 205 | if (bpi->net) { |
0e70e6c8 DL |
206 | /* FIXME: since multiple e may have the same e->parent |
207 | * and e->parent->net is holding a refcount for each | |
208 | * of them, we need to do some fudging here. | |
209 | * | |
40381db7 DS |
210 | * WARNING: if bpi->net->lock drops to 0, bpi may be |
211 | * freed as well (because bpi->net was holding the | |
212 | * last reference to bpi) => write after free! | |
0e70e6c8 DL |
213 | */ |
214 | unsigned refcount; | |
215 | ||
40381db7 DS |
216 | bpi = bgp_path_info_lock(bpi); |
217 | refcount = bpi->net->lock - 1; | |
218 | bgp_unlock_node((struct bgp_node *)bpi->net); | |
0e70e6c8 | 219 | if (!refcount) |
40381db7 DS |
220 | bpi->net = NULL; |
221 | bgp_path_info_unlock(bpi); | |
0e70e6c8 | 222 | } |
18ee8310 | 223 | bgp_path_info_unlock(e->parent); |
c93a3b77 | 224 | e->parent = NULL; |
d62a17ae | 225 | } |
c93a3b77 DS |
226 | |
227 | if (e->bgp_orig) | |
228 | bgp_unlock(e->bgp_orig); | |
c26edcda | 229 | |
ce3c0614 PG |
230 | if ((*extra)->bgp_fs_iprule) |
231 | list_delete(&((*extra)->bgp_fs_iprule)); | |
c26edcda | 232 | if ((*extra)->bgp_fs_pbr) |
6a154c88 | 233 | list_delete(&((*extra)->bgp_fs_pbr)); |
c93a3b77 DS |
234 | XFREE(MTYPE_BGP_ROUTE_EXTRA, *extra); |
235 | ||
236 | *extra = NULL; | |
fb982c25 PJ |
237 | } |
238 | ||
18ee8310 DS |
239 | /* Get bgp_path_info extra information for the given bgp_path_info, lazy |
240 | * allocated if required. | |
fb982c25 | 241 | */ |
40381db7 | 242 | struct bgp_path_info_extra *bgp_path_info_extra_get(struct bgp_path_info *pi) |
fb982c25 | 243 | { |
40381db7 DS |
244 | if (!pi->extra) |
245 | pi->extra = bgp_path_info_extra_new(); | |
246 | return pi->extra; | |
fb982c25 PJ |
247 | } |
248 | ||
718e3744 | 249 | /* Free bgp route information. */ |
9b6d8fcf | 250 | static void bgp_path_info_free(struct bgp_path_info *path) |
718e3744 | 251 | { |
9b6d8fcf DS |
252 | if (path->attr) |
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 DS |
1642 | |
1643 | #ifdef BGP_SEND_ASPATH_CHECK | |
d62a17ae | 1644 | /* AS path loop check. */ |
40381db7 | 1645 | if (onlypeer && 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 DS |
1653 | #endif /* BGP_SEND_ASPATH_CHECK */ |
1654 | ||
d62a17ae | 1655 | /* If we're a CONFED we need to loop check the CONFED ID too */ |
1656 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) { | |
40381db7 | 1657 | if (aspath_loop_check(piattr->aspath, bgp->confed_id)) { |
d62a17ae | 1658 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1659 | zlog_debug( | |
1660 | "%s [Update:SEND] suppress announcement to peer AS %u" | |
1661 | " is AS path.", | |
1662 | peer->host, bgp->confed_id); | |
1663 | return 0; | |
1664 | } | |
3f9c7369 | 1665 | } |
3f9c7369 | 1666 | |
d62a17ae | 1667 | /* Route-Reflect check. */ |
1668 | if (from->sort == BGP_PEER_IBGP && peer->sort == BGP_PEER_IBGP) | |
1669 | reflect = 1; | |
1670 | else | |
1671 | reflect = 0; | |
1672 | ||
1673 | /* IBGP reflection check. */ | |
1674 | if (reflect && !samepeer_safe) { | |
1675 | /* A route from a Client peer. */ | |
1676 | if (CHECK_FLAG(from->af_flags[afi][safi], | |
1677 | PEER_FLAG_REFLECTOR_CLIENT)) { | |
1678 | /* Reflect to all the Non-Client peers and also to the | |
1679 | Client peers other than the originator. Originator | |
1680 | check | |
1681 | is already done. So there is noting to do. */ | |
1682 | /* no bgp client-to-client reflection check. */ | |
1683 | if (bgp_flag_check(bgp, BGP_FLAG_NO_CLIENT_TO_CLIENT)) | |
1684 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
1685 | PEER_FLAG_REFLECTOR_CLIENT)) | |
1686 | return 0; | |
1687 | } else { | |
1688 | /* A route from a Non-client peer. Reflect to all other | |
1689 | clients. */ | |
1690 | if (!CHECK_FLAG(peer->af_flags[afi][safi], | |
1691 | PEER_FLAG_REFLECTOR_CLIENT)) | |
1692 | return 0; | |
1693 | } | |
1694 | } | |
3f9c7369 | 1695 | |
d62a17ae | 1696 | /* For modify attribute, copy it to temporary structure. */ |
40381db7 | 1697 | bgp_attr_dup(attr, piattr); |
d62a17ae | 1698 | |
1699 | /* If local-preference is not set. */ | |
1700 | if ((peer->sort == BGP_PEER_IBGP || peer->sort == BGP_PEER_CONFED) | |
1701 | && (!(attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)))) { | |
1702 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
1703 | attr->local_pref = bgp->default_local_pref; | |
3f9c7369 | 1704 | } |
3f9c7369 | 1705 | |
d62a17ae | 1706 | /* If originator-id is not set and the route is to be reflected, |
1707 | set the originator id */ | |
1708 | if (reflect | |
1709 | && (!(attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)))) { | |
1710 | IPV4_ADDR_COPY(&(attr->originator_id), &(from->remote_id)); | |
1711 | SET_FLAG(attr->flag, BGP_ATTR_ORIGINATOR_ID); | |
1712 | } | |
3f9c7369 | 1713 | |
d62a17ae | 1714 | /* Remove MED if its an EBGP peer - will get overwritten by route-maps |
1715 | */ | |
1716 | if (peer->sort == BGP_PEER_EBGP | |
1717 | && attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) { | |
1718 | if (from != bgp->peer_self && !transparent | |
1719 | && !CHECK_FLAG(peer->af_flags[afi][safi], | |
1720 | PEER_FLAG_MED_UNCHANGED)) | |
1721 | attr->flag &= | |
1722 | ~(ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)); | |
1723 | } | |
3f9c7369 | 1724 | |
d62a17ae | 1725 | /* Since the nexthop attribute can vary per peer, it is not explicitly |
1726 | * set | |
1727 | * in announce check, only certain flags and length (or number of | |
1728 | * nexthops | |
1729 | * -- for IPv6/MP_REACH) are set here in order to guide the update | |
1730 | * formation | |
1731 | * code in setting the nexthop(s) on a per peer basis in | |
1732 | * reformat_peer(). | |
1733 | * Typically, the source nexthop in the attribute is preserved but in | |
1734 | * the | |
1735 | * scenarios where we know it will always be overwritten, we reset the | |
1736 | * nexthop to "0" in an attempt to achieve better Update packing. An | |
1737 | * example of this is when a prefix from each of 2 IBGP peers needs to | |
1738 | * be | |
1739 | * announced to an EBGP peer (and they have the same attributes barring | |
1740 | * their nexthop). | |
1741 | */ | |
1742 | if (reflect) | |
1743 | SET_FLAG(attr->rmap_change_flags, BATTR_REFLECTED); | |
1744 | ||
1745 | #define NEXTHOP_IS_V6 \ | |
1746 | ((safi != SAFI_ENCAP && safi != SAFI_MPLS_VPN \ | |
1747 | && (p->family == AF_INET6 || peer_cap_enhe(peer, afi, safi))) \ | |
1748 | || ((safi == SAFI_ENCAP || safi == SAFI_MPLS_VPN) \ | |
1749 | && attr->mp_nexthop_len >= IPV6_MAX_BYTELEN)) | |
1750 | ||
1751 | /* IPv6/MP starts with 1 nexthop. The link-local address is passed only | |
1752 | * if | |
1753 | * the peer (group) is configured to receive link-local nexthop | |
1754 | * unchanged | |
1755 | * and it is available in the prefix OR we're not reflecting the route | |
1756 | * and | |
1757 | * the peer (group) to whom we're going to announce is on a shared | |
1758 | * network | |
1759 | * and this is either a self-originated route or the peer is EBGP. | |
1760 | */ | |
1761 | if (NEXTHOP_IS_V6) { | |
1762 | attr->mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; | |
1763 | if ((CHECK_FLAG(peer->af_flags[afi][safi], | |
1764 | PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED) | |
1765 | && IN6_IS_ADDR_LINKLOCAL(&attr->mp_nexthop_local)) | |
1766 | || (!reflect && peer->shared_network | |
1767 | && (from == bgp->peer_self | |
1768 | || peer->sort == BGP_PEER_EBGP))) { | |
1769 | attr->mp_nexthop_len = | |
1770 | BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL; | |
1771 | } | |
3f9c7369 | 1772 | |
d62a17ae | 1773 | /* Clear off link-local nexthop in source, whenever it is not |
1774 | * needed to | |
1775 | * ensure more prefixes share the same attribute for | |
1776 | * announcement. | |
1777 | */ | |
1778 | if (!(CHECK_FLAG(peer->af_flags[afi][safi], | |
1779 | PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED))) | |
1780 | memset(&attr->mp_nexthop_local, 0, IPV6_MAX_BYTELEN); | |
1781 | } | |
3f9c7369 | 1782 | |
d62a17ae | 1783 | bgp_peer_remove_private_as(bgp, afi, safi, peer, attr); |
1784 | bgp_peer_as_override(bgp, afi, safi, peer, attr); | |
1785 | ||
1786 | /* Route map & unsuppress-map apply. */ | |
40381db7 | 1787 | if (ROUTE_MAP_OUT_NAME(filter) || (pi->extra && pi->extra->suppress)) { |
b8694ef4 DS |
1788 | struct bgp_path_info rmap_path = {0}; |
1789 | struct bgp_path_info_extra dummy_rmap_path_extra = {0}; | |
1790 | struct attr dummy_attr = {0}; | |
d62a17ae | 1791 | |
40381db7 DS |
1792 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
1793 | rmap_path.peer = peer; | |
1794 | rmap_path.attr = attr; | |
d37ba549 | 1795 | |
40381db7 DS |
1796 | if (pi->extra) { |
1797 | memcpy(&dummy_rmap_path_extra, pi->extra, | |
4b7e6066 | 1798 | sizeof(struct bgp_path_info_extra)); |
40381db7 | 1799 | rmap_path.extra = &dummy_rmap_path_extra; |
16f7ce2b MK |
1800 | } |
1801 | ||
d62a17ae | 1802 | /* don't confuse inbound and outbound setting */ |
1803 | RESET_FLAG(attr->rmap_change_flags); | |
1804 | ||
1805 | /* | |
1806 | * The route reflector is not allowed to modify the attributes | |
1807 | * of the reflected IBGP routes unless explicitly allowed. | |
1808 | */ | |
1809 | if ((from->sort == BGP_PEER_IBGP && peer->sort == BGP_PEER_IBGP) | |
1810 | && !bgp_flag_check(bgp, | |
1811 | BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY)) { | |
1812 | bgp_attr_dup(&dummy_attr, attr); | |
40381db7 | 1813 | rmap_path.attr = &dummy_attr; |
d62a17ae | 1814 | } |
3f9c7369 | 1815 | |
d62a17ae | 1816 | SET_FLAG(peer->rmap_type, PEER_RMAP_TYPE_OUT); |
3f9c7369 | 1817 | |
40381db7 | 1818 | if (pi->extra && pi->extra->suppress) |
d62a17ae | 1819 | ret = route_map_apply(UNSUPPRESS_MAP(filter), p, |
40381db7 | 1820 | RMAP_BGP, &rmap_path); |
d62a17ae | 1821 | else |
1822 | ret = route_map_apply(ROUTE_MAP_OUT(filter), p, | |
40381db7 | 1823 | RMAP_BGP, &rmap_path); |
d62a17ae | 1824 | |
1825 | peer->rmap_type = 0; | |
1826 | ||
1827 | if (ret == RMAP_DENYMATCH) { | |
778048bf AD |
1828 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1829 | zlog_debug("%s [Update:SEND] %s is filtered by route-map", | |
1830 | peer->host, prefix2str(p, buf, sizeof(buf))); | |
1831 | ||
d62a17ae | 1832 | bgp_attr_flush(attr); |
1833 | return 0; | |
1834 | } | |
3f9c7369 | 1835 | } |
3f9c7369 | 1836 | |
9dac9fc8 DA |
1837 | /* RFC 8212 to prevent route leaks. |
1838 | * This specification intends to improve this situation by requiring the | |
1839 | * explicit configuration of both BGP Import and Export Policies for any | |
1840 | * External BGP (EBGP) session such as customers, peers, or | |
1841 | * confederation boundaries for all enabled address families. Through | |
1842 | * codification of the aforementioned requirement, operators will | |
1843 | * benefit from consistent behavior across different BGP | |
1844 | * implementations. | |
1845 | */ | |
1846 | if (peer->bgp->ebgp_requires_policy | |
1847 | == DEFAULT_EBGP_POLICY_ENABLED) | |
1848 | if (!bgp_outbound_policy_exists(peer, filter)) | |
1849 | return 0; | |
1850 | ||
7f323236 | 1851 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) { |
a4d82a8a PZ |
1852 | if (peer->sort == BGP_PEER_IBGP |
1853 | || peer->sort == BGP_PEER_CONFED) { | |
7f323236 DW |
1854 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); |
1855 | attr->local_pref = BGP_GSHUT_LOCAL_PREF; | |
1856 | } else { | |
1857 | bgp_attr_add_gshut_community(attr); | |
1858 | } | |
1859 | } | |
1860 | ||
d62a17ae | 1861 | /* After route-map has been applied, we check to see if the nexthop to |
1862 | * be carried in the attribute (that is used for the announcement) can | |
1863 | * be cleared off or not. We do this in all cases where we would be | |
1864 | * setting the nexthop to "ourselves". For IPv6, we only need to | |
1865 | * consider | |
1866 | * the global nexthop here; the link-local nexthop would have been | |
1867 | * cleared | |
1868 | * already, and if not, it is required by the update formation code. | |
1869 | * Also see earlier comments in this function. | |
1870 | */ | |
1871 | /* | |
1872 | * If route-map has performed some operation on the nexthop or the peer | |
1873 | * configuration says to pass it unchanged, we cannot reset the nexthop | |
1874 | * here, so only attempt to do it if these aren't true. Note that the | |
1875 | * route-map handler itself might have cleared the nexthop, if for | |
1876 | * example, | |
1877 | * it is configured as 'peer-address'. | |
1878 | */ | |
1879 | if (!bgp_rmap_nhop_changed(attr->rmap_change_flags, | |
40381db7 | 1880 | piattr->rmap_change_flags) |
d62a17ae | 1881 | && !transparent |
1882 | && !CHECK_FLAG(peer->af_flags[afi][safi], | |
1883 | PEER_FLAG_NEXTHOP_UNCHANGED)) { | |
1884 | /* We can reset the nexthop, if setting (or forcing) it to | |
1885 | * 'self' */ | |
1886 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
1887 | PEER_FLAG_NEXTHOP_SELF) | |
1888 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
1889 | PEER_FLAG_FORCE_NEXTHOP_SELF)) { | |
1890 | if (!reflect | |
1891 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
1892 | PEER_FLAG_FORCE_NEXTHOP_SELF)) | |
1893 | subgroup_announce_reset_nhop( | |
1894 | (peer_cap_enhe(peer, afi, safi) | |
1895 | ? AF_INET6 | |
1896 | : p->family), | |
1897 | attr); | |
1898 | } else if (peer->sort == BGP_PEER_EBGP) { | |
1899 | /* Can also reset the nexthop if announcing to EBGP, but | |
1900 | * only if | |
1901 | * no peer in the subgroup is on a shared subnet. | |
1902 | * Note: 3rd party nexthop currently implemented for | |
1903 | * IPv4 only. | |
1904 | */ | |
737af885 BS |
1905 | if ((p->family == AF_INET) && |
1906 | (!bgp_subgrp_multiaccess_check_v4( | |
1907 | piattr->nexthop, | |
1908 | subgrp))) | |
d62a17ae | 1909 | subgroup_announce_reset_nhop( |
1910 | (peer_cap_enhe(peer, afi, safi) | |
a4d82a8a PZ |
1911 | ? AF_INET6 |
1912 | : p->family), | |
737af885 BS |
1913 | attr); |
1914 | ||
1915 | if ((p->family == AF_INET6) && | |
1916 | (!bgp_subgrp_multiaccess_check_v6( | |
1917 | piattr->mp_nexthop_global, | |
1918 | subgrp))) | |
1919 | subgroup_announce_reset_nhop( | |
1920 | (peer_cap_enhe(peer, afi, safi) | |
1921 | ? AF_INET6 | |
1922 | : p->family), | |
1923 | attr); | |
1924 | ||
1925 | ||
1926 | ||
40381db7 | 1927 | } else if (CHECK_FLAG(pi->flags, BGP_PATH_ANNC_NH_SELF)) { |
960035b2 PZ |
1928 | /* |
1929 | * This flag is used for leaked vpn-vrf routes | |
1930 | */ | |
1931 | int family = p->family; | |
1932 | ||
1933 | if (peer_cap_enhe(peer, afi, safi)) | |
1934 | family = AF_INET6; | |
1935 | ||
1936 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) | |
1937 | zlog_debug( | |
1defdda8 | 1938 | "%s: BGP_PATH_ANNC_NH_SELF, family=%s", |
960035b2 PZ |
1939 | __func__, family2str(family)); |
1940 | subgroup_announce_reset_nhop(family, attr); | |
d62a17ae | 1941 | } |
960035b2 | 1942 | |
d62a17ae | 1943 | /* If IPv6/MP and nexthop does not have any override and happens |
1944 | * to | |
1945 | * be a link-local address, reset it so that we don't pass along | |
1946 | * the | |
1947 | * source's link-local IPv6 address to recipients who may not be | |
1948 | * on | |
1949 | * the same interface. | |
1950 | */ | |
1951 | if (p->family == AF_INET6 || peer_cap_enhe(peer, afi, safi)) { | |
1952 | if (IN6_IS_ADDR_LINKLOCAL(&attr->mp_nexthop_global)) | |
1953 | subgroup_announce_reset_nhop(AF_INET6, attr); | |
1954 | } | |
1955 | } | |
3f9c7369 | 1956 | |
d62a17ae | 1957 | return 1; |
3f9c7369 DS |
1958 | } |
1959 | ||
d62a17ae | 1960 | void bgp_best_selection(struct bgp *bgp, struct bgp_node *rn, |
1961 | struct bgp_maxpaths_cfg *mpath_cfg, | |
4b7e6066 DS |
1962 | struct bgp_path_info_pair *result, afi_t afi, |
1963 | safi_t safi) | |
1964 | { | |
1965 | struct bgp_path_info *new_select; | |
1966 | struct bgp_path_info *old_select; | |
40381db7 DS |
1967 | struct bgp_path_info *pi; |
1968 | struct bgp_path_info *pi1; | |
1969 | struct bgp_path_info *pi2; | |
1970 | struct bgp_path_info *nextpi = NULL; | |
d62a17ae | 1971 | int paths_eq, do_mpath, debug; |
1972 | struct list mp_list; | |
1973 | char pfx_buf[PREFIX2STR_BUFFER]; | |
1974 | char path_buf[PATH_ADDPATH_STR_BUFFER]; | |
1975 | ||
1976 | bgp_mp_list_init(&mp_list); | |
1977 | do_mpath = | |
1978 | (mpath_cfg->maxpaths_ebgp > 1 || mpath_cfg->maxpaths_ibgp > 1); | |
1979 | ||
1980 | debug = bgp_debug_bestpath(&rn->p); | |
1981 | ||
1982 | if (debug) | |
1983 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
1984 | ||
1985 | /* bgp deterministic-med */ | |
1986 | new_select = NULL; | |
1987 | if (bgp_flag_check(bgp, BGP_FLAG_DETERMINISTIC_MED)) { | |
1988 | ||
1defdda8 | 1989 | /* Clear BGP_PATH_DMED_SELECTED for all paths */ |
6f94b685 DS |
1990 | for (pi1 = bgp_node_get_bgp_path_info(rn); pi1; |
1991 | pi1 = pi1->next) | |
40381db7 | 1992 | bgp_path_info_unset_flag(rn, pi1, |
18ee8310 | 1993 | BGP_PATH_DMED_SELECTED); |
d62a17ae | 1994 | |
6f94b685 DS |
1995 | for (pi1 = bgp_node_get_bgp_path_info(rn); pi1; |
1996 | pi1 = pi1->next) { | |
40381db7 | 1997 | if (CHECK_FLAG(pi1->flags, BGP_PATH_DMED_CHECK)) |
d62a17ae | 1998 | continue; |
40381db7 | 1999 | if (BGP_PATH_HOLDDOWN(pi1)) |
d62a17ae | 2000 | continue; |
ea8b2282 | 2001 | if (pi1->peer != bgp->peer_self) |
40381db7 | 2002 | if (pi1->peer->status != Established) |
d62a17ae | 2003 | continue; |
2004 | ||
40381db7 DS |
2005 | new_select = pi1; |
2006 | if (pi1->next) { | |
2007 | for (pi2 = pi1->next; pi2; pi2 = pi2->next) { | |
2008 | if (CHECK_FLAG(pi2->flags, | |
1defdda8 | 2009 | BGP_PATH_DMED_CHECK)) |
d62a17ae | 2010 | continue; |
40381db7 | 2011 | if (BGP_PATH_HOLDDOWN(pi2)) |
d62a17ae | 2012 | continue; |
ea8b2282 | 2013 | if (pi2->peer != bgp->peer_self |
d62a17ae | 2014 | && !CHECK_FLAG( |
ea8b2282 DS |
2015 | pi2->peer->sflags, |
2016 | PEER_STATUS_NSF_WAIT)) | |
40381db7 | 2017 | if (pi2->peer->status |
d62a17ae | 2018 | != Established) |
2019 | continue; | |
2020 | ||
121e245d DS |
2021 | if (!aspath_cmp_left(pi1->attr->aspath, |
2022 | pi2->attr->aspath) | |
2023 | && !aspath_cmp_left_confed( | |
40381db7 | 2024 | pi1->attr->aspath, |
121e245d DS |
2025 | pi2->attr->aspath)) |
2026 | continue; | |
d62a17ae | 2027 | |
121e245d DS |
2028 | if (bgp_path_info_cmp( |
2029 | bgp, pi2, new_select, | |
2030 | &paths_eq, mpath_cfg, debug, | |
fdf81fa0 DS |
2031 | pfx_buf, afi, safi, |
2032 | &rn->reason)) { | |
121e245d DS |
2033 | bgp_path_info_unset_flag( |
2034 | rn, new_select, | |
2035 | BGP_PATH_DMED_SELECTED); | |
2036 | new_select = pi2; | |
d62a17ae | 2037 | } |
121e245d DS |
2038 | |
2039 | bgp_path_info_set_flag( | |
2040 | rn, pi2, BGP_PATH_DMED_CHECK); | |
d62a17ae | 2041 | } |
2042 | } | |
18ee8310 DS |
2043 | bgp_path_info_set_flag(rn, new_select, |
2044 | BGP_PATH_DMED_CHECK); | |
2045 | bgp_path_info_set_flag(rn, new_select, | |
2046 | BGP_PATH_DMED_SELECTED); | |
d62a17ae | 2047 | |
2048 | if (debug) { | |
18ee8310 DS |
2049 | bgp_path_info_path_with_addpath_rx_str( |
2050 | new_select, path_buf); | |
c66faab1 | 2051 | zlog_debug("%s: %s is the bestpath from AS %u", |
d62a17ae | 2052 | pfx_buf, path_buf, |
2053 | aspath_get_first_as( | |
2054 | new_select->attr->aspath)); | |
2055 | } | |
2056 | } | |
2057 | } | |
96450faf | 2058 | |
d62a17ae | 2059 | /* Check old selected route and new selected route. */ |
2060 | old_select = NULL; | |
2061 | new_select = NULL; | |
6f94b685 DS |
2062 | for (pi = bgp_node_get_bgp_path_info(rn); |
2063 | (pi != NULL) && (nextpi = pi->next, 1); pi = nextpi) { | |
40381db7 DS |
2064 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) |
2065 | old_select = pi; | |
d62a17ae | 2066 | |
40381db7 | 2067 | if (BGP_PATH_HOLDDOWN(pi)) { |
d62a17ae | 2068 | /* reap REMOVED routes, if needs be |
2069 | * selected route must stay for a while longer though | |
2070 | */ | |
40381db7 DS |
2071 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) |
2072 | && (pi != old_select)) | |
2073 | bgp_path_info_reap(rn, pi); | |
d62a17ae | 2074 | |
ddb5b488 | 2075 | if (debug) |
40381db7 DS |
2076 | zlog_debug("%s: pi %p in holddown", __func__, |
2077 | pi); | |
ddb5b488 | 2078 | |
d62a17ae | 2079 | continue; |
2080 | } | |
96450faf | 2081 | |
40381db7 DS |
2082 | if (pi->peer && pi->peer != bgp->peer_self |
2083 | && !CHECK_FLAG(pi->peer->sflags, PEER_STATUS_NSF_WAIT)) | |
2084 | if (pi->peer->status != Established) { | |
ddb5b488 PZ |
2085 | |
2086 | if (debug) | |
2087 | zlog_debug( | |
40381db7 DS |
2088 | "%s: pi %p non self peer %s not estab state", |
2089 | __func__, pi, pi->peer->host); | |
ddb5b488 | 2090 | |
d62a17ae | 2091 | continue; |
ddb5b488 | 2092 | } |
9fbdd100 | 2093 | |
d62a17ae | 2094 | if (bgp_flag_check(bgp, BGP_FLAG_DETERMINISTIC_MED) |
40381db7 DS |
2095 | && (!CHECK_FLAG(pi->flags, BGP_PATH_DMED_SELECTED))) { |
2096 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_DMED_CHECK); | |
ddb5b488 | 2097 | if (debug) |
40381db7 | 2098 | zlog_debug("%s: pi %p dmed", __func__, pi); |
d62a17ae | 2099 | continue; |
2100 | } | |
9fbdd100 | 2101 | |
40381db7 | 2102 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_DMED_CHECK); |
06370dac | 2103 | |
40381db7 | 2104 | if (bgp_path_info_cmp(bgp, pi, new_select, &paths_eq, mpath_cfg, |
fdf81fa0 | 2105 | debug, pfx_buf, afi, safi, &rn->reason)) { |
40381db7 | 2106 | new_select = pi; |
d62a17ae | 2107 | } |
2108 | } | |
718e3744 | 2109 | |
d62a17ae | 2110 | /* Now that we know which path is the bestpath see if any of the other |
2111 | * paths | |
2112 | * qualify as multipaths | |
2113 | */ | |
2114 | if (debug) { | |
2115 | if (new_select) | |
18ee8310 DS |
2116 | bgp_path_info_path_with_addpath_rx_str(new_select, |
2117 | path_buf); | |
d62a17ae | 2118 | else |
2119 | sprintf(path_buf, "NONE"); | |
2120 | zlog_debug( | |
2121 | "%s: After path selection, newbest is %s oldbest was %s", | |
2122 | pfx_buf, path_buf, | |
2123 | old_select ? old_select->peer->host : "NONE"); | |
96450faf | 2124 | } |
9fbdd100 | 2125 | |
d62a17ae | 2126 | if (do_mpath && new_select) { |
6f94b685 DS |
2127 | for (pi = bgp_node_get_bgp_path_info(rn); |
2128 | (pi != NULL) && (nextpi = pi->next, 1); pi = nextpi) { | |
d62a17ae | 2129 | |
2130 | if (debug) | |
18ee8310 | 2131 | bgp_path_info_path_with_addpath_rx_str( |
40381db7 | 2132 | pi, path_buf); |
d62a17ae | 2133 | |
40381db7 | 2134 | if (pi == new_select) { |
d62a17ae | 2135 | if (debug) |
2136 | zlog_debug( | |
2137 | "%s: %s is the bestpath, add to the multipath list", | |
2138 | pfx_buf, path_buf); | |
40381db7 | 2139 | bgp_mp_list_add(&mp_list, pi); |
d62a17ae | 2140 | continue; |
2141 | } | |
2142 | ||
40381db7 | 2143 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 2144 | continue; |
2145 | ||
40381db7 DS |
2146 | if (pi->peer && pi->peer != bgp->peer_self |
2147 | && !CHECK_FLAG(pi->peer->sflags, | |
d62a17ae | 2148 | PEER_STATUS_NSF_WAIT)) |
40381db7 | 2149 | if (pi->peer->status != Established) |
d62a17ae | 2150 | continue; |
2151 | ||
40381db7 | 2152 | if (!bgp_path_info_nexthop_cmp(pi, new_select)) { |
d62a17ae | 2153 | if (debug) |
2154 | zlog_debug( | |
2155 | "%s: %s has the same nexthop as the bestpath, skip it", | |
2156 | pfx_buf, path_buf); | |
2157 | continue; | |
2158 | } | |
2159 | ||
40381db7 | 2160 | bgp_path_info_cmp(bgp, pi, new_select, &paths_eq, |
fdf81fa0 DS |
2161 | mpath_cfg, debug, pfx_buf, afi, safi, |
2162 | &rn->reason); | |
d62a17ae | 2163 | |
2164 | if (paths_eq) { | |
2165 | if (debug) | |
2166 | zlog_debug( | |
2167 | "%s: %s is equivalent to the bestpath, add to the multipath list", | |
2168 | pfx_buf, path_buf); | |
40381db7 | 2169 | bgp_mp_list_add(&mp_list, pi); |
d62a17ae | 2170 | } |
2171 | } | |
2172 | } | |
fee0f4c6 | 2173 | |
18ee8310 DS |
2174 | bgp_path_info_mpath_update(rn, new_select, old_select, &mp_list, |
2175 | mpath_cfg); | |
2176 | bgp_path_info_mpath_aggregate_update(new_select, old_select); | |
d62a17ae | 2177 | bgp_mp_list_clear(&mp_list); |
96450faf | 2178 | |
dcc68b5e MS |
2179 | bgp_addpath_update_ids(bgp, rn, afi, safi); |
2180 | ||
d62a17ae | 2181 | result->old = old_select; |
2182 | result->new = new_select; | |
96450faf | 2183 | |
d62a17ae | 2184 | return; |
fee0f4c6 | 2185 | } |
2186 | ||
3f9c7369 DS |
2187 | /* |
2188 | * A new route/change in bestpath of an existing route. Evaluate the path | |
2189 | * for advertisement to the subgroup. | |
2190 | */ | |
d62a17ae | 2191 | int subgroup_process_announce_selected(struct update_subgroup *subgrp, |
4b7e6066 | 2192 | struct bgp_path_info *selected, |
d62a17ae | 2193 | struct bgp_node *rn, |
d7c0a89a | 2194 | uint32_t addpath_tx_id) |
d62a17ae | 2195 | { |
2196 | struct prefix *p; | |
2197 | struct peer *onlypeer; | |
2198 | struct attr attr; | |
2199 | afi_t afi; | |
2200 | safi_t safi; | |
adbac85e | 2201 | |
d62a17ae | 2202 | p = &rn->p; |
2203 | afi = SUBGRP_AFI(subgrp); | |
2204 | safi = SUBGRP_SAFI(subgrp); | |
2205 | onlypeer = ((SUBGRP_PCOUNT(subgrp) == 1) ? (SUBGRP_PFIRST(subgrp))->peer | |
2206 | : NULL); | |
2207 | ||
e0207895 PZ |
2208 | if (BGP_DEBUG(update, UPDATE_OUT)) { |
2209 | char buf_prefix[PREFIX_STRLEN]; | |
2210 | prefix2str(p, buf_prefix, sizeof(buf_prefix)); | |
ddb5b488 PZ |
2211 | zlog_debug("%s: p=%s, selected=%p", __func__, buf_prefix, |
2212 | selected); | |
e0207895 PZ |
2213 | } |
2214 | ||
d62a17ae | 2215 | /* First update is deferred until ORF or ROUTE-REFRESH is received */ |
996c9314 LB |
2216 | if (onlypeer && CHECK_FLAG(onlypeer->af_sflags[afi][safi], |
2217 | PEER_STATUS_ORF_WAIT_REFRESH)) | |
d62a17ae | 2218 | return 0; |
2219 | ||
2220 | memset(&attr, 0, sizeof(struct attr)); | |
2221 | /* It's initialized in bgp_announce_check() */ | |
2222 | ||
2223 | /* Announcement to the subgroup. If the route is filtered withdraw it. | |
2224 | */ | |
2225 | if (selected) { | |
2226 | if (subgroup_announce_check(rn, selected, subgrp, p, &attr)) | |
2227 | bgp_adj_out_set_subgroup(rn, subgrp, &attr, selected); | |
2228 | else | |
2229 | bgp_adj_out_unset_subgroup(rn, subgrp, 1, | |
dcc68b5e | 2230 | addpath_tx_id); |
d62a17ae | 2231 | } |
2232 | ||
2233 | /* If selected is NULL we must withdraw the path using addpath_tx_id */ | |
2234 | else { | |
2235 | bgp_adj_out_unset_subgroup(rn, subgrp, 1, addpath_tx_id); | |
2236 | } | |
558d1fec | 2237 | |
d62a17ae | 2238 | return 0; |
200df115 | 2239 | } |
fee0f4c6 | 2240 | |
3064bf43 | 2241 | /* |
e1072051 | 2242 | * Clear IGP changed flag and attribute changed flag for a route (all paths). |
2243 | * This is called at the end of route processing. | |
3064bf43 | 2244 | */ |
d62a17ae | 2245 | void bgp_zebra_clear_route_change_flags(struct bgp_node *rn) |
3064bf43 | 2246 | { |
40381db7 | 2247 | struct bgp_path_info *pi; |
3064bf43 | 2248 | |
6f94b685 | 2249 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 2250 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 2251 | continue; |
40381db7 DS |
2252 | UNSET_FLAG(pi->flags, BGP_PATH_IGP_CHANGED); |
2253 | UNSET_FLAG(pi->flags, BGP_PATH_ATTR_CHANGED); | |
d62a17ae | 2254 | } |
3064bf43 | 2255 | } |
2256 | ||
2257 | /* | |
2258 | * Has the route changed from the RIB's perspective? This is invoked only | |
2259 | * if the route selection returns the same best route as earlier - to | |
2260 | * determine if we need to update zebra or not. | |
2261 | */ | |
4b7e6066 DS |
2262 | int bgp_zebra_has_route_changed(struct bgp_node *rn, |
2263 | struct bgp_path_info *selected) | |
d62a17ae | 2264 | { |
4b7e6066 | 2265 | struct bgp_path_info *mpinfo; |
d62a17ae | 2266 | |
2bb9eff4 DS |
2267 | /* If this is multipath, check all selected paths for any nexthop |
2268 | * change or attribute change. Some attribute changes (e.g., community) | |
2269 | * aren't of relevance to the RIB, but we'll update zebra to ensure | |
2270 | * we handle the case of BGP nexthop change. This is the behavior | |
2271 | * when the best path has an attribute change anyway. | |
d62a17ae | 2272 | */ |
1defdda8 DS |
2273 | if (CHECK_FLAG(selected->flags, BGP_PATH_IGP_CHANGED) |
2274 | || CHECK_FLAG(selected->flags, BGP_PATH_MULTIPATH_CHG)) | |
d62a17ae | 2275 | return 1; |
2276 | ||
2bb9eff4 DS |
2277 | /* |
2278 | * If this is multipath, check all selected paths for any nexthop change | |
d62a17ae | 2279 | */ |
18ee8310 DS |
2280 | for (mpinfo = bgp_path_info_mpath_first(selected); mpinfo; |
2281 | mpinfo = bgp_path_info_mpath_next(mpinfo)) { | |
1defdda8 DS |
2282 | if (CHECK_FLAG(mpinfo->flags, BGP_PATH_IGP_CHANGED) |
2283 | || CHECK_FLAG(mpinfo->flags, BGP_PATH_ATTR_CHANGED)) | |
d62a17ae | 2284 | return 1; |
2285 | } | |
3064bf43 | 2286 | |
d62a17ae | 2287 | /* Nothing has changed from the RIB's perspective. */ |
2288 | return 0; | |
3064bf43 | 2289 | } |
2290 | ||
d62a17ae | 2291 | struct bgp_process_queue { |
2292 | struct bgp *bgp; | |
a4d82a8a | 2293 | STAILQ_HEAD(, bgp_node) pqueue; |
aac24838 JB |
2294 | #define BGP_PROCESS_QUEUE_EOIU_MARKER (1 << 0) |
2295 | unsigned int flags; | |
2296 | unsigned int queued; | |
200df115 | 2297 | }; |
2298 | ||
3103e8d2 DS |
2299 | /* |
2300 | * old_select = The old best path | |
2301 | * new_select = the new best path | |
2302 | * | |
2303 | * if (!old_select && new_select) | |
2304 | * We are sending new information on. | |
2305 | * | |
2306 | * if (old_select && new_select) { | |
2307 | * if (new_select != old_select) | |
2308 | * We have a new best path send a change | |
2309 | * else | |
2310 | * We've received a update with new attributes that needs | |
2311 | * to be passed on. | |
2312 | * } | |
2313 | * | |
2314 | * if (old_select && !new_select) | |
2315 | * We have no eligible route that we can announce or the rn | |
2316 | * is being removed. | |
2317 | */ | |
aac24838 JB |
2318 | static void bgp_process_main_one(struct bgp *bgp, struct bgp_node *rn, |
2319 | afi_t afi, safi_t safi) | |
d62a17ae | 2320 | { |
4b7e6066 DS |
2321 | struct bgp_path_info *new_select; |
2322 | struct bgp_path_info *old_select; | |
2323 | struct bgp_path_info_pair old_and_new; | |
ddb5b488 PZ |
2324 | char pfx_buf[PREFIX2STR_BUFFER]; |
2325 | int debug = 0; | |
d62a17ae | 2326 | |
f4c713ae LB |
2327 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS)) { |
2328 | if (rn) | |
2329 | debug = bgp_debug_bestpath(&rn->p); | |
2330 | if (debug) { | |
2331 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2332 | zlog_debug( | |
2333 | "%s: bgp delete in progress, ignoring event, p=%s", | |
2334 | __func__, pfx_buf); | |
2335 | } | |
2336 | return; | |
2337 | } | |
d62a17ae | 2338 | /* Is it end of initial update? (after startup) */ |
2339 | if (!rn) { | |
2340 | quagga_timestamp(3, bgp->update_delay_zebra_resume_time, | |
2341 | sizeof(bgp->update_delay_zebra_resume_time)); | |
2342 | ||
2343 | bgp->main_zebra_update_hold = 0; | |
05c7a1cc QY |
2344 | FOREACH_AFI_SAFI (afi, safi) { |
2345 | if (bgp_fibupd_safi(safi)) | |
2346 | bgp_zebra_announce_table(bgp, afi, safi); | |
2347 | } | |
d62a17ae | 2348 | bgp->main_peers_update_hold = 0; |
2349 | ||
2350 | bgp_start_routeadv(bgp); | |
aac24838 | 2351 | return; |
d62a17ae | 2352 | } |
cb1faec9 | 2353 | |
b575a12c A |
2354 | struct prefix *p = &rn->p; |
2355 | ||
ddb5b488 PZ |
2356 | debug = bgp_debug_bestpath(&rn->p); |
2357 | if (debug) { | |
2358 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2359 | zlog_debug("%s: p=%s afi=%s, safi=%s start", __func__, pfx_buf, | |
2360 | afi2str(afi), safi2str(safi)); | |
2361 | } | |
2362 | ||
d62a17ae | 2363 | /* Best path selection. */ |
2364 | bgp_best_selection(bgp, rn, &bgp->maxpaths[afi][safi], &old_and_new, | |
2365 | afi, safi); | |
2366 | old_select = old_and_new.old; | |
2367 | new_select = old_and_new.new; | |
2368 | ||
2369 | /* Do we need to allocate or free labels? | |
2370 | * Right now, since we only deal with per-prefix labels, it is not | |
57592a53 AD |
2371 | * necessary to do this upon changes to best path. Exceptions: |
2372 | * - label index has changed -> recalculate resulting label | |
2373 | * - path_info sub_type changed -> switch to/from implicit-null | |
2374 | * - no valid label (due to removed static label binding) -> get new one | |
d62a17ae | 2375 | */ |
318cac96 | 2376 | if (bgp->allocate_mpls_labels[afi][safi]) { |
d62a17ae | 2377 | if (new_select) { |
2378 | if (!old_select | |
2379 | || bgp_label_index_differs(new_select, old_select) | |
57592a53 AD |
2380 | || new_select->sub_type != old_select->sub_type |
2381 | || !bgp_is_valid_label(&rn->local_label)) { | |
2382 | /* Enforced penultimate hop popping: | |
2383 | * implicit-null for local routes, aggregate | |
2384 | * and redistributed routes | |
2385 | */ | |
d62a17ae | 2386 | if (new_select->sub_type == BGP_ROUTE_STATIC |
57592a53 AD |
2387 | || new_select->sub_type |
2388 | == BGP_ROUTE_AGGREGATE | |
2389 | || new_select->sub_type | |
2390 | == BGP_ROUTE_REDISTRIBUTE) { | |
d62a17ae | 2391 | if (CHECK_FLAG( |
2392 | rn->flags, | |
2393 | BGP_NODE_REGISTERED_FOR_LABEL)) | |
2394 | bgp_unregister_for_label(rn); | |
70e98a7f | 2395 | label_ntop(MPLS_LABEL_IMPLICIT_NULL, 1, |
d62a17ae | 2396 | &rn->local_label); |
2397 | bgp_set_valid_label(&rn->local_label); | |
2398 | } else | |
2399 | bgp_register_for_label(rn, new_select); | |
2400 | } | |
a4d82a8a PZ |
2401 | } else if (CHECK_FLAG(rn->flags, |
2402 | BGP_NODE_REGISTERED_FOR_LABEL)) { | |
d62a17ae | 2403 | bgp_unregister_for_label(rn); |
318cac96 DW |
2404 | } |
2405 | } else if (CHECK_FLAG(rn->flags, BGP_NODE_REGISTERED_FOR_LABEL)) { | |
2406 | bgp_unregister_for_label(rn); | |
d62a17ae | 2407 | } |
cd1964ff | 2408 | |
ddb5b488 PZ |
2409 | if (debug) { |
2410 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2411 | zlog_debug( | |
2412 | "%s: p=%s afi=%s, safi=%s, old_select=%p, new_select=%p", | |
2413 | __func__, pfx_buf, afi2str(afi), safi2str(safi), | |
2414 | old_select, new_select); | |
2415 | } | |
2416 | ||
d62a17ae | 2417 | /* If best route remains the same and this is not due to user-initiated |
2418 | * clear, see exactly what needs to be done. | |
2419 | */ | |
d62a17ae | 2420 | if (old_select && old_select == new_select |
2421 | && !CHECK_FLAG(rn->flags, BGP_NODE_USER_CLEAR) | |
1defdda8 | 2422 | && !CHECK_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED) |
dcc68b5e | 2423 | && !bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { |
d62a17ae | 2424 | if (bgp_zebra_has_route_changed(rn, old_select)) { |
65efcfce | 2425 | #if ENABLE_BGP_VNC |
d62a17ae | 2426 | vnc_import_bgp_add_route(bgp, p, old_select); |
2427 | vnc_import_bgp_exterior_add_route(bgp, p, old_select); | |
65efcfce | 2428 | #endif |
bb744275 | 2429 | if (bgp_fibupd_safi(safi) |
ddb5b488 PZ |
2430 | && !bgp_option_check(BGP_OPT_NO_FIB)) { |
2431 | ||
2432 | if (new_select->type == ZEBRA_ROUTE_BGP | |
2433 | && (new_select->sub_type == BGP_ROUTE_NORMAL | |
2434 | || new_select->sub_type | |
2435 | == BGP_ROUTE_IMPORTED)) | |
2436 | ||
2437 | bgp_zebra_announce(rn, p, old_select, | |
2438 | bgp, afi, safi); | |
2439 | } | |
d62a17ae | 2440 | } |
1defdda8 | 2441 | UNSET_FLAG(old_select->flags, BGP_PATH_MULTIPATH_CHG); |
d62a17ae | 2442 | bgp_zebra_clear_route_change_flags(rn); |
2443 | ||
2444 | /* If there is a change of interest to peers, reannounce the | |
2445 | * route. */ | |
1defdda8 | 2446 | if (CHECK_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED) |
d62a17ae | 2447 | || CHECK_FLAG(rn->flags, BGP_NODE_LABEL_CHANGED)) { |
2448 | group_announce_route(bgp, afi, safi, rn, new_select); | |
2449 | ||
2450 | /* unicast routes must also be annouced to | |
2451 | * labeled-unicast update-groups */ | |
2452 | if (safi == SAFI_UNICAST) | |
2453 | group_announce_route(bgp, afi, | |
2454 | SAFI_LABELED_UNICAST, rn, | |
2455 | new_select); | |
2456 | ||
1defdda8 | 2457 | UNSET_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 2458 | UNSET_FLAG(rn->flags, BGP_NODE_LABEL_CHANGED); |
2459 | } | |
fee0f4c6 | 2460 | |
d62a17ae | 2461 | UNSET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); |
aac24838 | 2462 | return; |
d62a17ae | 2463 | } |
8ad7271d | 2464 | |
d62a17ae | 2465 | /* If the user did "clear ip bgp prefix x.x.x.x" this flag will be set |
2466 | */ | |
2467 | UNSET_FLAG(rn->flags, BGP_NODE_USER_CLEAR); | |
2468 | ||
2469 | /* bestpath has changed; bump version */ | |
2470 | if (old_select || new_select) { | |
2471 | bgp_bump_version(rn); | |
2472 | ||
2473 | if (!bgp->t_rmap_def_originate_eval) { | |
2474 | bgp_lock(bgp); | |
2475 | thread_add_timer( | |
2476 | bm->master, | |
2477 | update_group_refresh_default_originate_route_map, | |
2478 | bgp, RMAP_DEFAULT_ORIGINATE_EVAL_TIMER, | |
2479 | &bgp->t_rmap_def_originate_eval); | |
2480 | } | |
2481 | } | |
3f9c7369 | 2482 | |
d62a17ae | 2483 | if (old_select) |
18ee8310 | 2484 | bgp_path_info_unset_flag(rn, old_select, BGP_PATH_SELECTED); |
d62a17ae | 2485 | if (new_select) { |
ddb5b488 PZ |
2486 | if (debug) |
2487 | zlog_debug("%s: setting SELECTED flag", __func__); | |
18ee8310 DS |
2488 | bgp_path_info_set_flag(rn, new_select, BGP_PATH_SELECTED); |
2489 | bgp_path_info_unset_flag(rn, new_select, BGP_PATH_ATTR_CHANGED); | |
1defdda8 | 2490 | UNSET_FLAG(new_select->flags, BGP_PATH_MULTIPATH_CHG); |
d62a17ae | 2491 | } |
338b3424 | 2492 | |
65efcfce | 2493 | #if ENABLE_BGP_VNC |
d62a17ae | 2494 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { |
2495 | if (old_select != new_select) { | |
2496 | if (old_select) { | |
2497 | vnc_import_bgp_exterior_del_route(bgp, p, | |
2498 | old_select); | |
2499 | vnc_import_bgp_del_route(bgp, p, old_select); | |
2500 | } | |
2501 | if (new_select) { | |
2502 | vnc_import_bgp_exterior_add_route(bgp, p, | |
2503 | new_select); | |
2504 | vnc_import_bgp_add_route(bgp, p, new_select); | |
2505 | } | |
2506 | } | |
2507 | } | |
65efcfce LB |
2508 | #endif |
2509 | ||
d62a17ae | 2510 | group_announce_route(bgp, afi, safi, rn, new_select); |
2511 | ||
2512 | /* unicast routes must also be annouced to labeled-unicast update-groups | |
2513 | */ | |
2514 | if (safi == SAFI_UNICAST) | |
2515 | group_announce_route(bgp, afi, SAFI_LABELED_UNICAST, rn, | |
2516 | new_select); | |
2517 | ||
2518 | /* FIB update. */ | |
2519 | if (bgp_fibupd_safi(safi) && (bgp->inst_type != BGP_INSTANCE_TYPE_VIEW) | |
2520 | && !bgp_option_check(BGP_OPT_NO_FIB)) { | |
2521 | if (new_select && new_select->type == ZEBRA_ROUTE_BGP | |
2522 | && (new_select->sub_type == BGP_ROUTE_NORMAL | |
ddb5b488 | 2523 | || new_select->sub_type == BGP_ROUTE_AGGREGATE |
2b659f33 MK |
2524 | || new_select->sub_type == BGP_ROUTE_IMPORTED)) { |
2525 | ||
2526 | /* if this is an evpn imported type-5 prefix, | |
2527 | * we need to withdraw the route first to clear | |
2528 | * the nh neigh and the RMAC entry. | |
2529 | */ | |
2530 | if (old_select && | |
2531 | is_route_parent_evpn(old_select)) | |
2532 | bgp_zebra_withdraw(p, old_select, bgp, safi); | |
ddb5b488 | 2533 | |
d62a17ae | 2534 | bgp_zebra_announce(rn, p, new_select, bgp, afi, safi); |
2b659f33 | 2535 | } else { |
d62a17ae | 2536 | /* Withdraw the route from the kernel. */ |
2537 | if (old_select && old_select->type == ZEBRA_ROUTE_BGP | |
2538 | && (old_select->sub_type == BGP_ROUTE_NORMAL | |
ddb5b488 PZ |
2539 | || old_select->sub_type == BGP_ROUTE_AGGREGATE |
2540 | || old_select->sub_type == BGP_ROUTE_IMPORTED)) | |
2541 | ||
568e10ca | 2542 | bgp_zebra_withdraw(p, old_select, bgp, safi); |
d62a17ae | 2543 | } |
718e3744 | 2544 | } |
3064bf43 | 2545 | |
5424b7ba MK |
2546 | /* advertise/withdraw type-5 routes */ |
2547 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { | |
f106e3a7 | 2548 | if (advertise_type5_routes(bgp, afi) && |
2549 | new_select && | |
2550 | is_route_injectable_into_evpn(new_select)) { | |
7e4ed18e MK |
2551 | |
2552 | /* apply the route-map */ | |
2553 | if (bgp->adv_cmd_rmap[afi][safi].map) { | |
b68885f9 | 2554 | route_map_result_t ret; |
7e4ed18e | 2555 | |
3518f352 DS |
2556 | ret = route_map_apply( |
2557 | bgp->adv_cmd_rmap[afi][safi].map, | |
2558 | &rn->p, RMAP_BGP, new_select); | |
b68885f9 | 2559 | if (ret == RMAP_PERMITMATCH) |
3518f352 DS |
2560 | bgp_evpn_advertise_type5_route( |
2561 | bgp, &rn->p, new_select->attr, | |
2562 | afi, safi); | |
c27ee4c4 | 2563 | else |
2564 | bgp_evpn_withdraw_type5_route( | |
2565 | bgp, &rn->p, afi, safi); | |
7e4ed18e MK |
2566 | } else { |
2567 | bgp_evpn_advertise_type5_route(bgp, | |
2568 | &rn->p, | |
2569 | new_select->attr, | |
2570 | afi, safi); | |
2571 | ||
2572 | } | |
f106e3a7 | 2573 | } else if (advertise_type5_routes(bgp, afi) && |
2574 | old_select && | |
2575 | is_route_injectable_into_evpn(old_select)) | |
31310b25 | 2576 | bgp_evpn_withdraw_type5_route(bgp, &rn->p, afi, safi); |
5424b7ba MK |
2577 | } |
2578 | ||
d62a17ae | 2579 | /* Clear any route change flags. */ |
2580 | bgp_zebra_clear_route_change_flags(rn); | |
3064bf43 | 2581 | |
18ee8310 | 2582 | /* Reap old select bgp_path_info, if it has been removed */ |
1defdda8 | 2583 | if (old_select && CHECK_FLAG(old_select->flags, BGP_PATH_REMOVED)) |
18ee8310 | 2584 | bgp_path_info_reap(rn, old_select); |
d62a17ae | 2585 | |
2586 | UNSET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); | |
aac24838 | 2587 | return; |
718e3744 | 2588 | } |
2589 | ||
aac24838 | 2590 | static wq_item_status bgp_process_wq(struct work_queue *wq, void *data) |
200df115 | 2591 | { |
aac24838 JB |
2592 | struct bgp_process_queue *pqnode = data; |
2593 | struct bgp *bgp = pqnode->bgp; | |
d62a17ae | 2594 | struct bgp_table *table; |
ac021f40 | 2595 | struct bgp_node *rn; |
aac24838 JB |
2596 | |
2597 | /* eoiu marker */ | |
2598 | if (CHECK_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER)) { | |
2599 | bgp_process_main_one(bgp, NULL, 0, 0); | |
60466a63 QY |
2600 | /* should always have dedicated wq call */ |
2601 | assert(STAILQ_FIRST(&pqnode->pqueue) == NULL); | |
aac24838 JB |
2602 | return WQ_SUCCESS; |
2603 | } | |
2604 | ||
ac021f40 LB |
2605 | while (!STAILQ_EMPTY(&pqnode->pqueue)) { |
2606 | rn = STAILQ_FIRST(&pqnode->pqueue); | |
2607 | STAILQ_REMOVE_HEAD(&pqnode->pqueue, pq); | |
b3e1dd3c | 2608 | STAILQ_NEXT(rn, pq) = NULL; /* complete unlink */ |
aac24838 | 2609 | table = bgp_node_table(rn); |
ac021f40 | 2610 | /* note, new RNs may be added as part of processing */ |
aac24838 | 2611 | bgp_process_main_one(bgp, rn, table->afi, table->safi); |
cb1faec9 | 2612 | |
aac24838 | 2613 | bgp_unlock_node(rn); |
d62a17ae | 2614 | bgp_table_unlock(table); |
2615 | } | |
aac24838 JB |
2616 | |
2617 | return WQ_SUCCESS; | |
2618 | } | |
2619 | ||
2620 | static void bgp_processq_del(struct work_queue *wq, void *data) | |
2621 | { | |
2622 | struct bgp_process_queue *pqnode = data; | |
2623 | ||
2624 | bgp_unlock(pqnode->bgp); | |
2625 | ||
2626 | XFREE(MTYPE_BGP_PROCESS_QUEUE, pqnode); | |
200df115 | 2627 | } |
2628 | ||
d62a17ae | 2629 | void bgp_process_queue_init(void) |
200df115 | 2630 | { |
0ce1ca80 | 2631 | if (!bm->process_main_queue) |
d62a17ae | 2632 | bm->process_main_queue = |
2633 | work_queue_new(bm->master, "process_main_queue"); | |
2634 | ||
aac24838 | 2635 | bm->process_main_queue->spec.workfunc = &bgp_process_wq; |
d62a17ae | 2636 | bm->process_main_queue->spec.del_item_data = &bgp_processq_del; |
2637 | bm->process_main_queue->spec.max_retries = 0; | |
2638 | bm->process_main_queue->spec.hold = 50; | |
2639 | /* Use a higher yield value of 50ms for main queue processing */ | |
2640 | bm->process_main_queue->spec.yield = 50 * 1000L; | |
200df115 | 2641 | } |
2642 | ||
cfe8d15a | 2643 | static struct bgp_process_queue *bgp_processq_alloc(struct bgp *bgp) |
aac24838 JB |
2644 | { |
2645 | struct bgp_process_queue *pqnode; | |
2646 | ||
a4d82a8a PZ |
2647 | pqnode = XCALLOC(MTYPE_BGP_PROCESS_QUEUE, |
2648 | sizeof(struct bgp_process_queue)); | |
aac24838 JB |
2649 | |
2650 | /* unlocked in bgp_processq_del */ | |
2651 | pqnode->bgp = bgp_lock(bgp); | |
2652 | STAILQ_INIT(&pqnode->pqueue); | |
2653 | ||
aac24838 JB |
2654 | return pqnode; |
2655 | } | |
2656 | ||
d62a17ae | 2657 | void bgp_process(struct bgp *bgp, struct bgp_node *rn, afi_t afi, safi_t safi) |
fee0f4c6 | 2658 | { |
aac24838 JB |
2659 | #define ARBITRARY_PROCESS_QLEN 10000 |
2660 | struct work_queue *wq = bm->process_main_queue; | |
d62a17ae | 2661 | struct bgp_process_queue *pqnode; |
cfe8d15a | 2662 | int pqnode_reuse = 0; |
495f0b13 | 2663 | |
d62a17ae | 2664 | /* already scheduled for processing? */ |
2665 | if (CHECK_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED)) | |
2666 | return; | |
2e02b9b2 | 2667 | |
aac24838 | 2668 | if (wq == NULL) |
d62a17ae | 2669 | return; |
2670 | ||
aac24838 | 2671 | /* Add route nodes to an existing work queue item until reaching the |
a4d82a8a PZ |
2672 | limit only if is from the same BGP view and it's not an EOIU marker |
2673 | */ | |
aac24838 JB |
2674 | if (work_queue_item_count(wq)) { |
2675 | struct work_queue_item *item = work_queue_last_item(wq); | |
2676 | pqnode = item->data; | |
228da428 | 2677 | |
a4d82a8a PZ |
2678 | if (CHECK_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER) |
2679 | || pqnode->bgp != bgp | |
2680 | || pqnode->queued >= ARBITRARY_PROCESS_QLEN) | |
cfe8d15a LB |
2681 | pqnode = bgp_processq_alloc(bgp); |
2682 | else | |
2683 | pqnode_reuse = 1; | |
aac24838 | 2684 | } else |
cfe8d15a | 2685 | pqnode = bgp_processq_alloc(bgp); |
aac24838 | 2686 | /* all unlocked in bgp_process_wq */ |
d62a17ae | 2687 | bgp_table_lock(bgp_node_table(rn)); |
aac24838 | 2688 | |
d62a17ae | 2689 | SET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); |
aac24838 JB |
2690 | bgp_lock_node(rn); |
2691 | ||
60466a63 QY |
2692 | /* can't be enqueued twice */ |
2693 | assert(STAILQ_NEXT(rn, pq) == NULL); | |
aac24838 JB |
2694 | STAILQ_INSERT_TAIL(&pqnode->pqueue, rn, pq); |
2695 | pqnode->queued++; | |
2696 | ||
cfe8d15a LB |
2697 | if (!pqnode_reuse) |
2698 | work_queue_add(wq, pqnode); | |
2699 | ||
d62a17ae | 2700 | return; |
fee0f4c6 | 2701 | } |
0a486e5f | 2702 | |
d62a17ae | 2703 | void bgp_add_eoiu_mark(struct bgp *bgp) |
cb1faec9 | 2704 | { |
d62a17ae | 2705 | struct bgp_process_queue *pqnode; |
cb1faec9 | 2706 | |
d62a17ae | 2707 | if (bm->process_main_queue == NULL) |
2708 | return; | |
2e02b9b2 | 2709 | |
cfe8d15a | 2710 | pqnode = bgp_processq_alloc(bgp); |
cb1faec9 | 2711 | |
aac24838 | 2712 | SET_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER); |
cfe8d15a | 2713 | work_queue_add(bm->process_main_queue, pqnode); |
cb1faec9 DS |
2714 | } |
2715 | ||
d62a17ae | 2716 | static int bgp_maximum_prefix_restart_timer(struct thread *thread) |
0a486e5f | 2717 | { |
d62a17ae | 2718 | struct peer *peer; |
0a486e5f | 2719 | |
d62a17ae | 2720 | peer = THREAD_ARG(thread); |
2721 | peer->t_pmax_restart = NULL; | |
0a486e5f | 2722 | |
d62a17ae | 2723 | if (bgp_debug_neighbor_events(peer)) |
2724 | zlog_debug( | |
2725 | "%s Maximum-prefix restart timer expired, restore peering", | |
2726 | peer->host); | |
0a486e5f | 2727 | |
a9bafa95 DS |
2728 | if ((peer_clear(peer, NULL) < 0) && bgp_debug_neighbor_events(peer)) |
2729 | zlog_debug("%s: %s peer_clear failed", | |
2730 | __PRETTY_FUNCTION__, peer->host); | |
0a486e5f | 2731 | |
d62a17ae | 2732 | return 0; |
0a486e5f | 2733 | } |
2734 | ||
d62a17ae | 2735 | int bgp_maximum_prefix_overflow(struct peer *peer, afi_t afi, safi_t safi, |
2736 | int always) | |
718e3744 | 2737 | { |
d62a17ae | 2738 | iana_afi_t pkt_afi; |
5c525538 | 2739 | iana_safi_t pkt_safi; |
9cabb64b | 2740 | |
d62a17ae | 2741 | if (!CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) |
2742 | return 0; | |
e0701b79 | 2743 | |
d62a17ae | 2744 | if (peer->pcount[afi][safi] > peer->pmax[afi][safi]) { |
2745 | if (CHECK_FLAG(peer->af_sflags[afi][safi], | |
2746 | PEER_STATUS_PREFIX_LIMIT) | |
2747 | && !always) | |
2748 | return 0; | |
e0701b79 | 2749 | |
d62a17ae | 2750 | zlog_info( |
a0a87037 DA |
2751 | "%%MAXPFXEXCEED: No. of %s prefix received from %s %" PRIu32 |
2752 | " exceed, limit %" PRIu32, | |
5cb5f4d0 | 2753 | get_afi_safi_str(afi, safi, false), peer->host, |
d62a17ae | 2754 | peer->pcount[afi][safi], peer->pmax[afi][safi]); |
2755 | SET_FLAG(peer->af_sflags[afi][safi], PEER_STATUS_PREFIX_LIMIT); | |
2756 | ||
2757 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
2758 | PEER_FLAG_MAX_PREFIX_WARNING)) | |
2759 | return 0; | |
2760 | ||
2761 | /* Convert AFI, SAFI to values for packet. */ | |
2762 | pkt_afi = afi_int2iana(afi); | |
2763 | pkt_safi = safi_int2iana(safi); | |
2764 | { | |
d7c0a89a | 2765 | uint8_t ndata[7]; |
d62a17ae | 2766 | |
2767 | ndata[0] = (pkt_afi >> 8); | |
2768 | ndata[1] = pkt_afi; | |
2769 | ndata[2] = pkt_safi; | |
2770 | ndata[3] = (peer->pmax[afi][safi] >> 24); | |
2771 | ndata[4] = (peer->pmax[afi][safi] >> 16); | |
2772 | ndata[5] = (peer->pmax[afi][safi] >> 8); | |
2773 | ndata[6] = (peer->pmax[afi][safi]); | |
2774 | ||
2775 | SET_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); | |
2776 | bgp_notify_send_with_data(peer, BGP_NOTIFY_CEASE, | |
2777 | BGP_NOTIFY_CEASE_MAX_PREFIX, | |
2778 | ndata, 7); | |
2779 | } | |
2780 | ||
2781 | /* Dynamic peers will just close their connection. */ | |
2782 | if (peer_dynamic_neighbor(peer)) | |
2783 | return 1; | |
2784 | ||
2785 | /* restart timer start */ | |
2786 | if (peer->pmax_restart[afi][safi]) { | |
2787 | peer->v_pmax_restart = | |
2788 | peer->pmax_restart[afi][safi] * 60; | |
2789 | ||
2790 | if (bgp_debug_neighbor_events(peer)) | |
2791 | zlog_debug( | |
2792 | "%s Maximum-prefix restart timer started for %d secs", | |
2793 | peer->host, peer->v_pmax_restart); | |
2794 | ||
2795 | BGP_TIMER_ON(peer->t_pmax_restart, | |
2796 | bgp_maximum_prefix_restart_timer, | |
2797 | peer->v_pmax_restart); | |
2798 | } | |
2799 | ||
2800 | return 1; | |
2801 | } else | |
2802 | UNSET_FLAG(peer->af_sflags[afi][safi], | |
2803 | PEER_STATUS_PREFIX_LIMIT); | |
2804 | ||
2805 | if (peer->pcount[afi][safi] | |
2806 | > (peer->pmax[afi][safi] * peer->pmax_threshold[afi][safi] / 100)) { | |
2807 | if (CHECK_FLAG(peer->af_sflags[afi][safi], | |
2808 | PEER_STATUS_PREFIX_THRESHOLD) | |
2809 | && !always) | |
2810 | return 0; | |
2811 | ||
2812 | zlog_info( | |
a0a87037 DA |
2813 | "%%MAXPFX: No. of %s prefix received from %s reaches %" PRIu32 |
2814 | ", max %" PRIu32, | |
5cb5f4d0 | 2815 | get_afi_safi_str(afi, safi, false), peer->host, |
d62a17ae | 2816 | peer->pcount[afi][safi], peer->pmax[afi][safi]); |
2817 | SET_FLAG(peer->af_sflags[afi][safi], | |
2818 | PEER_STATUS_PREFIX_THRESHOLD); | |
2819 | } else | |
2820 | UNSET_FLAG(peer->af_sflags[afi][safi], | |
2821 | PEER_STATUS_PREFIX_THRESHOLD); | |
2822 | return 0; | |
718e3744 | 2823 | } |
2824 | ||
b40d939b | 2825 | /* Unconditionally remove the route from the RIB, without taking |
2826 | * damping into consideration (eg, because the session went down) | |
2827 | */ | |
40381db7 | 2828 | void bgp_rib_remove(struct bgp_node *rn, struct bgp_path_info *pi, |
4b7e6066 | 2829 | struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 2830 | { |
40381db7 | 2831 | bgp_aggregate_decrement(peer->bgp, &rn->p, pi, afi, safi); |
d62a17ae | 2832 | |
40381db7 DS |
2833 | if (!CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) |
2834 | bgp_path_info_delete(rn, pi); /* keep historical info */ | |
d62a17ae | 2835 | |
4a11bf2c DL |
2836 | hook_call(bgp_process, peer->bgp, afi, safi, rn, peer, true); |
2837 | ||
d62a17ae | 2838 | bgp_process(peer->bgp, rn, afi, safi); |
2839 | } | |
2840 | ||
40381db7 | 2841 | static void bgp_rib_withdraw(struct bgp_node *rn, struct bgp_path_info *pi, |
d62a17ae | 2842 | struct peer *peer, afi_t afi, safi_t safi, |
2843 | struct prefix_rd *prd) | |
2844 | { | |
d62a17ae | 2845 | /* apply dampening, if result is suppressed, we'll be retaining |
18ee8310 | 2846 | * the bgp_path_info in the RIB for historical reference. |
d62a17ae | 2847 | */ |
2848 | if (CHECK_FLAG(peer->bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
2849 | && peer->sort == BGP_PEER_EBGP) | |
40381db7 | 2850 | if ((bgp_damp_withdraw(pi, rn, afi, safi, 0)) |
d62a17ae | 2851 | == BGP_DAMP_SUPPRESSED) { |
40381db7 | 2852 | bgp_aggregate_decrement(peer->bgp, &rn->p, pi, afi, |
d62a17ae | 2853 | safi); |
2854 | return; | |
2855 | } | |
2856 | ||
65efcfce | 2857 | #if ENABLE_BGP_VNC |
d62a17ae | 2858 | if (safi == SAFI_MPLS_VPN) { |
2859 | struct bgp_node *prn = NULL; | |
2860 | struct bgp_table *table = NULL; | |
2861 | ||
2862 | prn = bgp_node_get(peer->bgp->rib[afi][safi], | |
2863 | (struct prefix *)prd); | |
67009e22 DS |
2864 | if (bgp_node_has_bgp_path_info_data(prn)) { |
2865 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 2866 | |
2867 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
40381db7 | 2868 | peer->bgp, prd, table, &rn->p, pi); |
d62a17ae | 2869 | } |
2870 | bgp_unlock_node(prn); | |
2871 | } | |
2872 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { | |
40381db7 | 2873 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
65efcfce | 2874 | |
40381db7 | 2875 | vnc_import_bgp_del_route(peer->bgp, &rn->p, pi); |
d62a17ae | 2876 | vnc_import_bgp_exterior_del_route(peer->bgp, &rn->p, |
40381db7 | 2877 | pi); |
d62a17ae | 2878 | } |
65efcfce | 2879 | } |
d62a17ae | 2880 | #endif |
128ea8ab | 2881 | |
d62a17ae | 2882 | /* If this is an EVPN route, process for un-import. */ |
2883 | if (safi == SAFI_EVPN) | |
40381db7 | 2884 | bgp_evpn_unimport_route(peer->bgp, afi, safi, &rn->p, pi); |
128ea8ab | 2885 | |
40381db7 | 2886 | bgp_rib_remove(rn, pi, peer, afi, safi); |
718e3744 | 2887 | } |
2888 | ||
4b7e6066 DS |
2889 | struct bgp_path_info *info_make(int type, int sub_type, unsigned short instance, |
2890 | struct peer *peer, struct attr *attr, | |
2891 | struct bgp_node *rn) | |
fb018d25 | 2892 | { |
4b7e6066 | 2893 | struct bgp_path_info *new; |
fb018d25 | 2894 | |
d62a17ae | 2895 | /* Make new BGP info. */ |
4b7e6066 | 2896 | new = XCALLOC(MTYPE_BGP_ROUTE, sizeof(struct bgp_path_info)); |
d62a17ae | 2897 | new->type = type; |
2898 | new->instance = instance; | |
2899 | new->sub_type = sub_type; | |
2900 | new->peer = peer; | |
2901 | new->attr = attr; | |
2902 | new->uptime = bgp_clock(); | |
2903 | new->net = rn; | |
d62a17ae | 2904 | return new; |
fb018d25 DS |
2905 | } |
2906 | ||
d62a17ae | 2907 | static void overlay_index_update(struct attr *attr, |
2908 | struct eth_segment_id *eth_s_id, | |
2909 | union gw_addr *gw_ip) | |
684a7227 | 2910 | { |
d62a17ae | 2911 | if (!attr) |
2912 | return; | |
684a7227 | 2913 | |
d62a17ae | 2914 | if (eth_s_id == NULL) { |
2915 | memset(&(attr->evpn_overlay.eth_s_id), 0, | |
2916 | sizeof(struct eth_segment_id)); | |
2917 | } else { | |
2918 | memcpy(&(attr->evpn_overlay.eth_s_id), eth_s_id, | |
2919 | sizeof(struct eth_segment_id)); | |
2920 | } | |
2921 | if (gw_ip == NULL) { | |
2922 | memset(&(attr->evpn_overlay.gw_ip), 0, sizeof(union gw_addr)); | |
2923 | } else { | |
2924 | memcpy(&(attr->evpn_overlay.gw_ip), gw_ip, | |
2925 | sizeof(union gw_addr)); | |
2926 | } | |
684a7227 PG |
2927 | } |
2928 | ||
40381db7 | 2929 | static bool overlay_index_equal(afi_t afi, struct bgp_path_info *path, |
d62a17ae | 2930 | struct eth_segment_id *eth_s_id, |
2931 | union gw_addr *gw_ip) | |
2932 | { | |
40381db7 DS |
2933 | struct eth_segment_id *path_eth_s_id, *path_eth_s_id_remote; |
2934 | union gw_addr *path_gw_ip, *path_gw_ip_remote; | |
11ebf4ed DS |
2935 | union { |
2936 | struct eth_segment_id esi; | |
2937 | union gw_addr ip; | |
2938 | } temp; | |
d62a17ae | 2939 | |
2940 | if (afi != AFI_L2VPN) | |
2941 | return true; | |
40381db7 | 2942 | if (!path->attr) { |
11ebf4ed | 2943 | memset(&temp, 0, sizeof(temp)); |
40381db7 DS |
2944 | path_eth_s_id = &temp.esi; |
2945 | path_gw_ip = &temp.ip; | |
11ebf4ed | 2946 | |
d62a17ae | 2947 | if (eth_s_id == NULL && gw_ip == NULL) |
2948 | return true; | |
2949 | } else { | |
40381db7 DS |
2950 | path_eth_s_id = &(path->attr->evpn_overlay.eth_s_id); |
2951 | path_gw_ip = &(path->attr->evpn_overlay.gw_ip); | |
d62a17ae | 2952 | } |
11ebf4ed DS |
2953 | |
2954 | if (gw_ip == NULL) { | |
2955 | memset(&temp, 0, sizeof(temp)); | |
40381db7 | 2956 | path_gw_ip_remote = &temp.ip; |
11ebf4ed | 2957 | } else |
40381db7 | 2958 | path_gw_ip_remote = gw_ip; |
11ebf4ed DS |
2959 | |
2960 | if (eth_s_id == NULL) { | |
2961 | memset(&temp, 0, sizeof(temp)); | |
40381db7 | 2962 | path_eth_s_id_remote = &temp.esi; |
11ebf4ed | 2963 | } else |
40381db7 | 2964 | path_eth_s_id_remote = eth_s_id; |
11ebf4ed | 2965 | |
40381db7 | 2966 | if (!memcmp(path_gw_ip, path_gw_ip_remote, sizeof(union gw_addr))) |
d62a17ae | 2967 | return false; |
11ebf4ed | 2968 | |
40381db7 | 2969 | return !memcmp(path_eth_s_id, path_eth_s_id_remote, |
d62a17ae | 2970 | sizeof(struct eth_segment_id)); |
684a7227 PG |
2971 | } |
2972 | ||
c265ee22 | 2973 | /* Check if received nexthop is valid or not. */ |
d62a17ae | 2974 | static int bgp_update_martian_nexthop(struct bgp *bgp, afi_t afi, safi_t safi, |
2975 | struct attr *attr) | |
2976 | { | |
2977 | int ret = 0; | |
2978 | ||
2979 | /* Only validated for unicast and multicast currently. */ | |
2980 | /* Also valid for EVPN where the nexthop is an IP address. */ | |
2981 | if (safi != SAFI_UNICAST && safi != SAFI_MULTICAST && safi != SAFI_EVPN) | |
2982 | return 0; | |
2983 | ||
2984 | /* If NEXT_HOP is present, validate it. */ | |
2985 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP)) { | |
2986 | if (attr->nexthop.s_addr == 0 | |
2987 | || IPV4_CLASS_DE(ntohl(attr->nexthop.s_addr)) | |
2988 | || bgp_nexthop_self(bgp, attr->nexthop)) | |
2989 | return 1; | |
2990 | } | |
c265ee22 | 2991 | |
d62a17ae | 2992 | /* If MP_NEXTHOP is present, validate it. */ |
2993 | /* Note: For IPv6 nexthops, we only validate the global (1st) nexthop; | |
2994 | * there is code in bgp_attr.c to ignore the link-local (2nd) nexthop if | |
2995 | * it is not an IPv6 link-local address. | |
2996 | */ | |
2997 | if (attr->mp_nexthop_len) { | |
2998 | switch (attr->mp_nexthop_len) { | |
2999 | case BGP_ATTR_NHLEN_IPV4: | |
3000 | case BGP_ATTR_NHLEN_VPNV4: | |
3001 | ret = (attr->mp_nexthop_global_in.s_addr == 0 | |
3002 | || IPV4_CLASS_DE(ntohl( | |
3003 | attr->mp_nexthop_global_in.s_addr)) | |
3004 | || bgp_nexthop_self(bgp, | |
3005 | attr->mp_nexthop_global_in)); | |
3006 | break; | |
3007 | ||
3008 | case BGP_ATTR_NHLEN_IPV6_GLOBAL: | |
3009 | case BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL: | |
3010 | case BGP_ATTR_NHLEN_VPNV6_GLOBAL: | |
3011 | ret = (IN6_IS_ADDR_UNSPECIFIED(&attr->mp_nexthop_global) | |
3012 | || IN6_IS_ADDR_LOOPBACK(&attr->mp_nexthop_global) | |
3013 | || IN6_IS_ADDR_MULTICAST( | |
5e76ce50 | 3014 | &attr->mp_nexthop_global)); |
d62a17ae | 3015 | break; |
3016 | ||
3017 | default: | |
3018 | ret = 1; | |
3019 | break; | |
3020 | } | |
3021 | } | |
c265ee22 | 3022 | |
d62a17ae | 3023 | return ret; |
3024 | } | |
3025 | ||
d7c0a89a | 3026 | int bgp_update(struct peer *peer, struct prefix *p, uint32_t addpath_id, |
d62a17ae | 3027 | struct attr *attr, afi_t afi, safi_t safi, int type, |
a4d82a8a | 3028 | int sub_type, struct prefix_rd *prd, mpls_label_t *label, |
d7c0a89a | 3029 | uint32_t num_labels, int soft_reconfig, |
a4d82a8a | 3030 | struct bgp_route_evpn *evpn) |
d62a17ae | 3031 | { |
3032 | int ret; | |
3033 | int aspath_loop_count = 0; | |
3034 | struct bgp_node *rn; | |
3035 | struct bgp *bgp; | |
3036 | struct attr new_attr; | |
3037 | struct attr *attr_new; | |
40381db7 | 3038 | struct bgp_path_info *pi; |
4b7e6066 DS |
3039 | struct bgp_path_info *new; |
3040 | struct bgp_path_info_extra *extra; | |
d62a17ae | 3041 | const char *reason; |
3042 | char pfx_buf[BGP_PRD_PATH_STRLEN]; | |
d62a17ae | 3043 | int connected = 0; |
3044 | int do_loop_check = 1; | |
3045 | int has_valid_label = 0; | |
65efcfce | 3046 | #if ENABLE_BGP_VNC |
d62a17ae | 3047 | int vnc_implicit_withdraw = 0; |
65efcfce | 3048 | #endif |
d62a17ae | 3049 | int same_attr = 0; |
718e3744 | 3050 | |
d62a17ae | 3051 | memset(&new_attr, 0, sizeof(struct attr)); |
3052 | new_attr.label_index = BGP_INVALID_LABEL_INDEX; | |
3053 | new_attr.label = MPLS_INVALID_LABEL; | |
f9a3a260 | 3054 | |
d62a17ae | 3055 | bgp = peer->bgp; |
3056 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
b57ba6d2 MK |
3057 | /* TODO: Check to see if we can get rid of "is_valid_label" */ |
3058 | if (afi == AFI_L2VPN && safi == SAFI_EVPN) | |
3059 | has_valid_label = (num_labels > 0) ? 1 : 0; | |
3060 | else | |
3061 | has_valid_label = bgp_is_valid_label(label); | |
718e3744 | 3062 | |
d62a17ae | 3063 | /* When peer's soft reconfiguration enabled. Record input packet in |
3064 | Adj-RIBs-In. */ | |
3065 | if (!soft_reconfig | |
3066 | && CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG) | |
3067 | && peer != bgp->peer_self) | |
3068 | bgp_adj_in_set(rn, peer, attr, addpath_id); | |
3069 | ||
3070 | /* Check previously received route. */ | |
6f94b685 | 3071 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
3072 | if (pi->peer == peer && pi->type == type |
3073 | && pi->sub_type == sub_type | |
3074 | && pi->addpath_rx_id == addpath_id) | |
d62a17ae | 3075 | break; |
3076 | ||
3077 | /* AS path local-as loop check. */ | |
3078 | if (peer->change_local_as) { | |
c4368918 DW |
3079 | if (peer->allowas_in[afi][safi]) |
3080 | aspath_loop_count = peer->allowas_in[afi][safi]; | |
a4d82a8a PZ |
3081 | else if (!CHECK_FLAG(peer->flags, |
3082 | PEER_FLAG_LOCAL_AS_NO_PREPEND)) | |
d62a17ae | 3083 | aspath_loop_count = 1; |
3084 | ||
3085 | if (aspath_loop_check(attr->aspath, peer->change_local_as) | |
3086 | > aspath_loop_count) { | |
b4d46cc9 | 3087 | peer->stat_pfx_aspath_loop++; |
d62a17ae | 3088 | reason = "as-path contains our own AS;"; |
3089 | goto filtered; | |
3090 | } | |
718e3744 | 3091 | } |
718e3744 | 3092 | |
d62a17ae | 3093 | /* If the peer is configured for "allowas-in origin" and the last ASN in |
3094 | * the | |
3095 | * as-path is our ASN then we do not need to call aspath_loop_check | |
3096 | */ | |
3097 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
3098 | if (aspath_get_last_as(attr->aspath) == bgp->as) | |
3099 | do_loop_check = 0; | |
3100 | ||
3101 | /* AS path loop check. */ | |
3102 | if (do_loop_check) { | |
3103 | if (aspath_loop_check(attr->aspath, bgp->as) | |
3104 | > peer->allowas_in[afi][safi] | |
3105 | || (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION) | |
3106 | && aspath_loop_check(attr->aspath, bgp->confed_id) | |
3107 | > peer->allowas_in[afi][safi])) { | |
b4d46cc9 | 3108 | peer->stat_pfx_aspath_loop++; |
d62a17ae | 3109 | reason = "as-path contains our own AS;"; |
3110 | goto filtered; | |
3111 | } | |
3112 | } | |
aac9ef6c | 3113 | |
d62a17ae | 3114 | /* Route reflector originator ID check. */ |
3115 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID) | |
3116 | && IPV4_ADDR_SAME(&bgp->router_id, &attr->originator_id)) { | |
b4d46cc9 | 3117 | peer->stat_pfx_originator_loop++; |
d62a17ae | 3118 | reason = "originator is us;"; |
3119 | goto filtered; | |
3120 | } | |
718e3744 | 3121 | |
d62a17ae | 3122 | /* Route reflector cluster ID check. */ |
3123 | if (bgp_cluster_filter(peer, attr)) { | |
b4d46cc9 | 3124 | peer->stat_pfx_cluster_loop++; |
d62a17ae | 3125 | reason = "reflected from the same cluster;"; |
3126 | goto filtered; | |
3127 | } | |
718e3744 | 3128 | |
d62a17ae | 3129 | /* Apply incoming filter. */ |
3130 | if (bgp_input_filter(peer, p, attr, afi, safi) == FILTER_DENY) { | |
b4d46cc9 | 3131 | peer->stat_pfx_filter++; |
d62a17ae | 3132 | reason = "filter;"; |
3133 | goto filtered; | |
3134 | } | |
718e3744 | 3135 | |
a8b72dc6 DA |
3136 | /* RFC 8212 to prevent route leaks. |
3137 | * This specification intends to improve this situation by requiring the | |
3138 | * explicit configuration of both BGP Import and Export Policies for any | |
3139 | * External BGP (EBGP) session such as customers, peers, or | |
3140 | * confederation boundaries for all enabled address families. Through | |
3141 | * codification of the aforementioned requirement, operators will | |
3142 | * benefit from consistent behavior across different BGP | |
3143 | * implementations. | |
3144 | */ | |
3145 | if (peer->bgp->ebgp_requires_policy == DEFAULT_EBGP_POLICY_ENABLED) | |
3146 | if (!bgp_inbound_policy_exists(peer, | |
3147 | &peer->filter[afi][safi])) { | |
3148 | reason = "inbound policy missing"; | |
3149 | goto filtered; | |
3150 | } | |
3151 | ||
d62a17ae | 3152 | bgp_attr_dup(&new_attr, attr); |
3153 | ||
3154 | /* Apply incoming route-map. | |
3155 | * NB: new_attr may now contain newly allocated values from route-map | |
3156 | * "set" | |
3157 | * commands, so we need bgp_attr_flush in the error paths, until we | |
3158 | * intern | |
3159 | * the attr (which takes over the memory references) */ | |
82b692c0 LK |
3160 | if (bgp_input_modifier(peer, p, &new_attr, afi, safi, NULL, |
3161 | label, num_labels) == RMAP_DENY) { | |
b4d46cc9 | 3162 | peer->stat_pfx_filter++; |
d62a17ae | 3163 | reason = "route-map;"; |
3164 | bgp_attr_flush(&new_attr); | |
3165 | goto filtered; | |
3166 | } | |
718e3744 | 3167 | |
1276ce38 PG |
3168 | if (pi && pi->attr && |
3169 | pi->attr->rmap_table_id != new_attr.rmap_table_id) { | |
3170 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) | |
3171 | /* remove from RIB previous entry */ | |
3172 | bgp_zebra_withdraw(p, pi, bgp, safi); | |
3173 | } | |
3174 | ||
7f323236 DW |
3175 | if (peer->sort == BGP_PEER_EBGP) { |
3176 | ||
a4d82a8a PZ |
3177 | /* If we receive the graceful-shutdown community from an eBGP |
3178 | * peer we must lower local-preference */ | |
3179 | if (new_attr.community | |
3180 | && community_include(new_attr.community, COMMUNITY_GSHUT)) { | |
7f323236 DW |
3181 | new_attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); |
3182 | new_attr.local_pref = BGP_GSHUT_LOCAL_PREF; | |
3183 | ||
a4d82a8a PZ |
3184 | /* If graceful-shutdown is configured then add the GSHUT |
3185 | * community to all paths received from eBGP peers */ | |
3186 | } else if (bgp_flag_check(peer->bgp, | |
3187 | BGP_FLAG_GRACEFUL_SHUTDOWN)) { | |
7f323236 DW |
3188 | bgp_attr_add_gshut_community(&new_attr); |
3189 | } | |
3190 | } | |
3191 | ||
d62a17ae | 3192 | /* next hop check. */ |
a4d82a8a PZ |
3193 | if (!CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD) |
3194 | && bgp_update_martian_nexthop(bgp, afi, safi, &new_attr)) { | |
b4d46cc9 | 3195 | peer->stat_pfx_nh_invalid++; |
d62a17ae | 3196 | reason = "martian or self next-hop;"; |
3197 | bgp_attr_flush(&new_attr); | |
3198 | goto filtered; | |
3199 | } | |
718e3744 | 3200 | |
5c14a191 | 3201 | if (bgp_mac_entry_exists(p) || bgp_mac_exist(&attr->rmac)) { |
b4d46cc9 | 3202 | peer->stat_pfx_nh_invalid++; |
4e802e66 DS |
3203 | reason = "self mac;"; |
3204 | goto filtered; | |
3205 | } | |
3206 | ||
d62a17ae | 3207 | attr_new = bgp_attr_intern(&new_attr); |
3208 | ||
3209 | /* If the update is implicit withdraw. */ | |
40381db7 DS |
3210 | if (pi) { |
3211 | pi->uptime = bgp_clock(); | |
3212 | same_attr = attrhash_cmp(pi->attr, attr_new); | |
d62a17ae | 3213 | |
4a11bf2c DL |
3214 | hook_call(bgp_process, bgp, afi, safi, rn, peer, true); |
3215 | ||
d62a17ae | 3216 | /* Same attribute comes in. */ |
40381db7 DS |
3217 | if (!CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) |
3218 | && attrhash_cmp(pi->attr, attr_new) | |
d62a17ae | 3219 | && (!has_valid_label |
40381db7 | 3220 | || memcmp(&(bgp_path_info_extra_get(pi))->label, label, |
b57ba6d2 | 3221 | num_labels * sizeof(mpls_label_t)) |
d62a17ae | 3222 | == 0) |
3223 | && (overlay_index_equal( | |
40381db7 | 3224 | afi, pi, evpn == NULL ? NULL : &evpn->eth_s_id, |
d62a17ae | 3225 | evpn == NULL ? NULL : &evpn->gw_ip))) { |
3226 | if (CHECK_FLAG(bgp->af_flags[afi][safi], | |
3227 | BGP_CONFIG_DAMPENING) | |
3228 | && peer->sort == BGP_PEER_EBGP | |
40381db7 | 3229 | && CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) { |
d62a17ae | 3230 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3231 | bgp_debug_rdpfxpath2str( | |
a4d82a8a PZ |
3232 | afi, safi, prd, p, label, |
3233 | num_labels, addpath_id ? 1 : 0, | |
3234 | addpath_id, pfx_buf, | |
3235 | sizeof(pfx_buf)); | |
d62a17ae | 3236 | zlog_debug("%s rcvd %s", peer->host, |
3237 | pfx_buf); | |
3238 | } | |
3239 | ||
40381db7 | 3240 | if (bgp_damp_update(pi, rn, afi, safi) |
d62a17ae | 3241 | != BGP_DAMP_SUPPRESSED) { |
40381db7 | 3242 | bgp_aggregate_increment(bgp, p, pi, afi, |
d62a17ae | 3243 | safi); |
3244 | bgp_process(bgp, rn, afi, safi); | |
3245 | } | |
3246 | } else /* Duplicate - odd */ | |
3247 | { | |
3248 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
3249 | if (!peer->rcvd_attr_printed) { | |
3250 | zlog_debug( | |
3251 | "%s rcvd UPDATE w/ attr: %s", | |
3252 | peer->host, | |
3253 | peer->rcvd_attr_str); | |
3254 | peer->rcvd_attr_printed = 1; | |
3255 | } | |
3256 | ||
3257 | bgp_debug_rdpfxpath2str( | |
a4d82a8a PZ |
3258 | afi, safi, prd, p, label, |
3259 | num_labels, addpath_id ? 1 : 0, | |
3260 | addpath_id, pfx_buf, | |
3261 | sizeof(pfx_buf)); | |
d62a17ae | 3262 | zlog_debug( |
3263 | "%s rcvd %s...duplicate ignored", | |
3264 | peer->host, pfx_buf); | |
3265 | } | |
3266 | ||
3267 | /* graceful restart STALE flag unset. */ | |
40381db7 | 3268 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) { |
18ee8310 | 3269 | bgp_path_info_unset_flag( |
40381db7 | 3270 | rn, pi, BGP_PATH_STALE); |
d62a17ae | 3271 | bgp_process(bgp, rn, afi, safi); |
3272 | } | |
3273 | } | |
3274 | ||
3275 | bgp_unlock_node(rn); | |
3276 | bgp_attr_unintern(&attr_new); | |
3277 | ||
3278 | return 0; | |
3279 | } | |
718e3744 | 3280 | |
d62a17ae | 3281 | /* Withdraw/Announce before we fully processed the withdraw */ |
40381db7 | 3282 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) { |
d62a17ae | 3283 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3284 | bgp_debug_rdpfxpath2str( | |
a4d82a8a | 3285 | afi, safi, prd, p, label, num_labels, |
d62a17ae | 3286 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3287 | sizeof(pfx_buf)); | |
3288 | zlog_debug( | |
3289 | "%s rcvd %s, flapped quicker than processing", | |
3290 | peer->host, pfx_buf); | |
3291 | } | |
3292 | ||
40381db7 | 3293 | bgp_path_info_restore(rn, pi); |
d62a17ae | 3294 | } |
718e3744 | 3295 | |
d62a17ae | 3296 | /* Received Logging. */ |
3297 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a PZ |
3298 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, |
3299 | num_labels, addpath_id ? 1 : 0, | |
3300 | addpath_id, pfx_buf, | |
3301 | sizeof(pfx_buf)); | |
d62a17ae | 3302 | zlog_debug("%s rcvd %s", peer->host, pfx_buf); |
3303 | } | |
718e3744 | 3304 | |
d62a17ae | 3305 | /* graceful restart STALE flag unset. */ |
40381db7 DS |
3306 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) |
3307 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_STALE); | |
d62a17ae | 3308 | |
3309 | /* The attribute is changed. */ | |
40381db7 | 3310 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 3311 | |
3312 | /* implicit withdraw, decrement aggregate and pcount here. | |
3313 | * only if update is accepted, they'll increment below. | |
3314 | */ | |
40381db7 | 3315 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
d62a17ae | 3316 | |
3317 | /* Update bgp route dampening information. */ | |
3318 | if (CHECK_FLAG(bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
3319 | && peer->sort == BGP_PEER_EBGP) { | |
3320 | /* This is implicit withdraw so we should update | |
3321 | dampening | |
3322 | information. */ | |
40381db7 DS |
3323 | if (!CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) |
3324 | bgp_damp_withdraw(pi, rn, afi, safi, 1); | |
d62a17ae | 3325 | } |
65efcfce | 3326 | #if ENABLE_BGP_VNC |
d62a17ae | 3327 | if (safi == SAFI_MPLS_VPN) { |
3328 | struct bgp_node *prn = NULL; | |
3329 | struct bgp_table *table = NULL; | |
3330 | ||
3331 | prn = bgp_node_get(bgp->rib[afi][safi], | |
3332 | (struct prefix *)prd); | |
67009e22 DS |
3333 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3334 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3335 | |
3336 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
40381db7 | 3337 | bgp, prd, table, p, pi); |
d62a17ae | 3338 | } |
3339 | bgp_unlock_node(prn); | |
3340 | } | |
3341 | if ((afi == AFI_IP || afi == AFI_IP6) | |
3342 | && (safi == SAFI_UNICAST)) { | |
40381db7 | 3343 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 3344 | /* |
3345 | * Implicit withdraw case. | |
3346 | */ | |
3347 | ++vnc_implicit_withdraw; | |
40381db7 DS |
3348 | vnc_import_bgp_del_route(bgp, p, pi); |
3349 | vnc_import_bgp_exterior_del_route(bgp, p, pi); | |
d62a17ae | 3350 | } |
3351 | } | |
65efcfce | 3352 | #endif |
128ea8ab | 3353 | |
d62a17ae | 3354 | /* Special handling for EVPN update of an existing route. If the |
3355 | * extended community attribute has changed, we need to | |
3356 | * un-import | |
3357 | * the route using its existing extended community. It will be | |
3358 | * subsequently processed for import with the new extended | |
3359 | * community. | |
3360 | */ | |
3361 | if (safi == SAFI_EVPN && !same_attr) { | |
40381db7 | 3362 | if ((pi->attr->flag |
d62a17ae | 3363 | & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) |
3364 | && (attr_new->flag | |
3365 | & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES))) { | |
3366 | int cmp; | |
3367 | ||
40381db7 | 3368 | cmp = ecommunity_cmp(pi->attr->ecommunity, |
d62a17ae | 3369 | attr_new->ecommunity); |
3370 | if (!cmp) { | |
3371 | if (bgp_debug_update(peer, p, NULL, 1)) | |
3372 | zlog_debug( | |
3373 | "Change in EXT-COMM, existing %s new %s", | |
3374 | ecommunity_str( | |
40381db7 | 3375 | pi->attr->ecommunity), |
d62a17ae | 3376 | ecommunity_str( |
3377 | attr_new->ecommunity)); | |
3378 | bgp_evpn_unimport_route(bgp, afi, safi, | |
40381db7 | 3379 | p, pi); |
d62a17ae | 3380 | } |
3381 | } | |
3382 | } | |
718e3744 | 3383 | |
d62a17ae | 3384 | /* Update to new attribute. */ |
40381db7 DS |
3385 | bgp_attr_unintern(&pi->attr); |
3386 | pi->attr = attr_new; | |
d62a17ae | 3387 | |
3388 | /* Update MPLS label */ | |
3389 | if (has_valid_label) { | |
40381db7 | 3390 | extra = bgp_path_info_extra_get(pi); |
8ba71050 NS |
3391 | if (extra->label != label) { |
3392 | memcpy(&extra->label, label, | |
dbd587da | 3393 | num_labels * sizeof(mpls_label_t)); |
8ba71050 NS |
3394 | extra->num_labels = num_labels; |
3395 | } | |
b57ba6d2 MK |
3396 | if (!(afi == AFI_L2VPN && safi == SAFI_EVPN)) |
3397 | bgp_set_valid_label(&extra->label[0]); | |
fc9a856f | 3398 | } |
718e3744 | 3399 | |
65efcfce | 3400 | #if ENABLE_BGP_VNC |
d62a17ae | 3401 | if ((afi == AFI_IP || afi == AFI_IP6) |
3402 | && (safi == SAFI_UNICAST)) { | |
3403 | if (vnc_implicit_withdraw) { | |
3404 | /* | |
3405 | * Add back the route with its new attributes | |
3406 | * (e.g., nexthop). | |
3407 | * The route is still selected, until the route | |
3408 | * selection | |
3409 | * queued by bgp_process actually runs. We have | |
3410 | * to make this | |
3411 | * update to the VNC side immediately to avoid | |
3412 | * racing against | |
3413 | * configuration changes (e.g., route-map | |
3414 | * changes) which | |
3415 | * trigger re-importation of the entire RIB. | |
3416 | */ | |
40381db7 DS |
3417 | vnc_import_bgp_add_route(bgp, p, pi); |
3418 | vnc_import_bgp_exterior_add_route(bgp, p, pi); | |
d62a17ae | 3419 | } |
3420 | } | |
65efcfce | 3421 | #endif |
d62a17ae | 3422 | /* Update Overlay Index */ |
3423 | if (afi == AFI_L2VPN) { | |
3424 | overlay_index_update( | |
40381db7 | 3425 | pi->attr, evpn == NULL ? NULL : &evpn->eth_s_id, |
d62a17ae | 3426 | evpn == NULL ? NULL : &evpn->gw_ip); |
3427 | } | |
65efcfce | 3428 | |
d62a17ae | 3429 | /* Update bgp route dampening information. */ |
3430 | if (CHECK_FLAG(bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
3431 | && peer->sort == BGP_PEER_EBGP) { | |
3432 | /* Now we do normal update dampening. */ | |
40381db7 | 3433 | ret = bgp_damp_update(pi, rn, afi, safi); |
d62a17ae | 3434 | if (ret == BGP_DAMP_SUPPRESSED) { |
3435 | bgp_unlock_node(rn); | |
3436 | return 0; | |
3437 | } | |
3438 | } | |
128ea8ab | 3439 | |
d62a17ae | 3440 | /* Nexthop reachability check - for unicast and |
3441 | * labeled-unicast.. */ | |
3442 | if ((afi == AFI_IP || afi == AFI_IP6) | |
3443 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) { | |
3444 | if (peer->sort == BGP_PEER_EBGP && peer->ttl == 1 | |
3445 | && !CHECK_FLAG(peer->flags, | |
3446 | PEER_FLAG_DISABLE_CONNECTED_CHECK) | |
3447 | && !bgp_flag_check( | |
3448 | bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK)) | |
3449 | connected = 1; | |
3450 | else | |
3451 | connected = 0; | |
3452 | ||
960035b2 PZ |
3453 | struct bgp *bgp_nexthop = bgp; |
3454 | ||
40381db7 DS |
3455 | if (pi->extra && pi->extra->bgp_orig) |
3456 | bgp_nexthop = pi->extra->bgp_orig; | |
960035b2 | 3457 | |
40381db7 DS |
3458 | if (bgp_find_or_add_nexthop(bgp, bgp_nexthop, afi, pi, |
3459 | NULL, connected) | |
a4d82a8a | 3460 | || CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD)) |
40381db7 | 3461 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); |
d62a17ae | 3462 | else { |
3463 | if (BGP_DEBUG(nht, NHT)) { | |
3464 | char buf1[INET6_ADDRSTRLEN]; | |
3465 | inet_ntop(AF_INET, | |
3466 | (const void *)&attr_new | |
3467 | ->nexthop, | |
3468 | buf1, INET6_ADDRSTRLEN); | |
3469 | zlog_debug("%s(%s): NH unresolved", | |
3470 | __FUNCTION__, buf1); | |
3471 | } | |
40381db7 | 3472 | bgp_path_info_unset_flag(rn, pi, |
18ee8310 | 3473 | BGP_PATH_VALID); |
d62a17ae | 3474 | } |
3475 | } else | |
40381db7 | 3476 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); |
d62a17ae | 3477 | |
3478 | #if ENABLE_BGP_VNC | |
3479 | if (safi == SAFI_MPLS_VPN) { | |
3480 | struct bgp_node *prn = NULL; | |
3481 | struct bgp_table *table = NULL; | |
3482 | ||
3483 | prn = bgp_node_get(bgp->rib[afi][safi], | |
3484 | (struct prefix *)prd); | |
67009e22 DS |
3485 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3486 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3487 | |
3488 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
40381db7 | 3489 | bgp, prd, table, p, pi); |
d62a17ae | 3490 | } |
3491 | bgp_unlock_node(prn); | |
3492 | } | |
3493 | #endif | |
718e3744 | 3494 | |
d62a17ae | 3495 | /* If this is an EVPN route and some attribute has changed, |
3496 | * process | |
3497 | * route for import. If the extended community has changed, we | |
3498 | * would | |
3499 | * have done the un-import earlier and the import would result | |
3500 | * in the | |
3501 | * route getting injected into appropriate L2 VNIs. If it is | |
3502 | * just | |
3503 | * some other attribute change, the import will result in | |
3504 | * updating | |
3505 | * the attributes for the route in the VNI(s). | |
3506 | */ | |
3507 | if (safi == SAFI_EVPN && !same_attr) | |
40381db7 | 3508 | bgp_evpn_import_route(bgp, afi, safi, p, pi); |
d62a17ae | 3509 | |
3510 | /* Process change. */ | |
40381db7 | 3511 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 3512 | |
3513 | bgp_process(bgp, rn, afi, safi); | |
3514 | bgp_unlock_node(rn); | |
558d1fec | 3515 | |
ddb5b488 PZ |
3516 | if (SAFI_UNICAST == safi |
3517 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3518 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3519 | ||
40381db7 | 3520 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
3521 | } |
3522 | if ((SAFI_MPLS_VPN == safi) | |
3523 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3524 | ||
40381db7 | 3525 | vpn_leak_to_vrf_update(bgp, pi); |
ddb5b488 PZ |
3526 | } |
3527 | ||
28070ee3 | 3528 | #if ENABLE_BGP_VNC |
d62a17ae | 3529 | if (SAFI_MPLS_VPN == safi) { |
3530 | mpls_label_t label_decoded = decode_label(label); | |
28070ee3 | 3531 | |
d62a17ae | 3532 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, |
3533 | type, sub_type, &label_decoded); | |
3534 | } | |
3535 | if (SAFI_ENCAP == safi) { | |
3536 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, | |
3537 | type, sub_type, NULL); | |
3538 | } | |
28070ee3 PZ |
3539 | #endif |
3540 | ||
d62a17ae | 3541 | return 0; |
3542 | } // End of implicit withdraw | |
718e3744 | 3543 | |
d62a17ae | 3544 | /* Received Logging. */ |
3545 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
3546 | if (!peer->rcvd_attr_printed) { | |
3547 | zlog_debug("%s rcvd UPDATE w/ attr: %s", peer->host, | |
3548 | peer->rcvd_attr_str); | |
3549 | peer->rcvd_attr_printed = 1; | |
3550 | } | |
718e3744 | 3551 | |
a4d82a8a | 3552 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3553 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3554 | sizeof(pfx_buf)); | |
3555 | zlog_debug("%s rcvd %s", peer->host, pfx_buf); | |
3556 | } | |
718e3744 | 3557 | |
d62a17ae | 3558 | /* Make new BGP info. */ |
3559 | new = info_make(type, sub_type, 0, peer, attr_new, rn); | |
718e3744 | 3560 | |
d62a17ae | 3561 | /* Update MPLS label */ |
3562 | if (has_valid_label) { | |
18ee8310 | 3563 | extra = bgp_path_info_extra_get(new); |
8ba71050 | 3564 | if (extra->label != label) { |
dbd587da QY |
3565 | memcpy(&extra->label, label, |
3566 | num_labels * sizeof(mpls_label_t)); | |
8ba71050 NS |
3567 | extra->num_labels = num_labels; |
3568 | } | |
b57ba6d2 MK |
3569 | if (!(afi == AFI_L2VPN && safi == SAFI_EVPN)) |
3570 | bgp_set_valid_label(&extra->label[0]); | |
fc9a856f | 3571 | } |
718e3744 | 3572 | |
d62a17ae | 3573 | /* Update Overlay Index */ |
3574 | if (afi == AFI_L2VPN) { | |
3575 | overlay_index_update(new->attr, | |
3576 | evpn == NULL ? NULL : &evpn->eth_s_id, | |
3577 | evpn == NULL ? NULL : &evpn->gw_ip); | |
3578 | } | |
3579 | /* Nexthop reachability check. */ | |
3580 | if ((afi == AFI_IP || afi == AFI_IP6) | |
3581 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) { | |
3582 | if (peer->sort == BGP_PEER_EBGP && peer->ttl == 1 | |
3583 | && !CHECK_FLAG(peer->flags, | |
3584 | PEER_FLAG_DISABLE_CONNECTED_CHECK) | |
3585 | && !bgp_flag_check(bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK)) | |
3586 | connected = 1; | |
3587 | else | |
3588 | connected = 0; | |
3589 | ||
960035b2 | 3590 | if (bgp_find_or_add_nexthop(bgp, bgp, afi, new, NULL, connected) |
a4d82a8a | 3591 | || CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD)) |
18ee8310 | 3592 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 3593 | else { |
3594 | if (BGP_DEBUG(nht, NHT)) { | |
3595 | char buf1[INET6_ADDRSTRLEN]; | |
3596 | inet_ntop(AF_INET, | |
3597 | (const void *)&attr_new->nexthop, | |
3598 | buf1, INET6_ADDRSTRLEN); | |
3599 | zlog_debug("%s(%s): NH unresolved", | |
3600 | __FUNCTION__, buf1); | |
3601 | } | |
18ee8310 | 3602 | bgp_path_info_unset_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 3603 | } |
3604 | } else | |
18ee8310 | 3605 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
a82478b9 | 3606 | |
d62a17ae | 3607 | /* Addpath ID */ |
3608 | new->addpath_rx_id = addpath_id; | |
3609 | ||
3610 | /* Increment prefix */ | |
3611 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
3612 | ||
3613 | /* Register new BGP information. */ | |
18ee8310 | 3614 | bgp_path_info_add(rn, new); |
d62a17ae | 3615 | |
3616 | /* route_node_get lock */ | |
3617 | bgp_unlock_node(rn); | |
558d1fec | 3618 | |
65efcfce | 3619 | #if ENABLE_BGP_VNC |
d62a17ae | 3620 | if (safi == SAFI_MPLS_VPN) { |
3621 | struct bgp_node *prn = NULL; | |
3622 | struct bgp_table *table = NULL; | |
3623 | ||
3624 | prn = bgp_node_get(bgp->rib[afi][safi], (struct prefix *)prd); | |
67009e22 DS |
3625 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3626 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3627 | |
3628 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
3629 | bgp, prd, table, p, new); | |
3630 | } | |
3631 | bgp_unlock_node(prn); | |
3632 | } | |
65efcfce LB |
3633 | #endif |
3634 | ||
d62a17ae | 3635 | /* If maximum prefix count is configured and current prefix |
3636 | count exeed it. */ | |
3637 | if (bgp_maximum_prefix_overflow(peer, afi, safi, 0)) | |
3638 | return -1; | |
718e3744 | 3639 | |
d62a17ae | 3640 | /* If this is an EVPN route, process for import. */ |
3641 | if (safi == SAFI_EVPN) | |
3642 | bgp_evpn_import_route(bgp, afi, safi, p, new); | |
128ea8ab | 3643 | |
4a11bf2c DL |
3644 | hook_call(bgp_process, bgp, afi, safi, rn, peer, false); |
3645 | ||
d62a17ae | 3646 | /* Process change. */ |
3647 | bgp_process(bgp, rn, afi, safi); | |
718e3744 | 3648 | |
ddb5b488 PZ |
3649 | if (SAFI_UNICAST == safi |
3650 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3651 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3652 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
3653 | } | |
3654 | if ((SAFI_MPLS_VPN == safi) | |
3655 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3656 | ||
3657 | vpn_leak_to_vrf_update(bgp, new); | |
3658 | } | |
28070ee3 | 3659 | #if ENABLE_BGP_VNC |
d62a17ae | 3660 | if (SAFI_MPLS_VPN == safi) { |
3661 | mpls_label_t label_decoded = decode_label(label); | |
28070ee3 | 3662 | |
d62a17ae | 3663 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, type, |
3664 | sub_type, &label_decoded); | |
3665 | } | |
3666 | if (SAFI_ENCAP == safi) { | |
3667 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, type, | |
3668 | sub_type, NULL); | |
3669 | } | |
28070ee3 PZ |
3670 | #endif |
3671 | ||
d62a17ae | 3672 | return 0; |
718e3744 | 3673 | |
d62a17ae | 3674 | /* This BGP update is filtered. Log the reason then update BGP |
3675 | entry. */ | |
3676 | filtered: | |
4a11bf2c DL |
3677 | hook_call(bgp_process, bgp, afi, safi, rn, peer, true); |
3678 | ||
d62a17ae | 3679 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3680 | if (!peer->rcvd_attr_printed) { | |
3681 | zlog_debug("%s rcvd UPDATE w/ attr: %s", peer->host, | |
3682 | peer->rcvd_attr_str); | |
3683 | peer->rcvd_attr_printed = 1; | |
3684 | } | |
718e3744 | 3685 | |
a4d82a8a | 3686 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3687 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3688 | sizeof(pfx_buf)); | |
3689 | zlog_debug("%s rcvd UPDATE about %s -- DENIED due to: %s", | |
3690 | peer->host, pfx_buf, reason); | |
3691 | } | |
128ea8ab | 3692 | |
40381db7 | 3693 | if (pi) { |
d62a17ae | 3694 | /* If this is an EVPN route, un-import it as it is now filtered. |
3695 | */ | |
3696 | if (safi == SAFI_EVPN) | |
40381db7 | 3697 | bgp_evpn_unimport_route(bgp, afi, safi, p, pi); |
718e3744 | 3698 | |
ddb5b488 PZ |
3699 | if (SAFI_UNICAST == safi |
3700 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3701 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3702 | ||
40381db7 | 3703 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
3704 | } |
3705 | if ((SAFI_MPLS_VPN == safi) | |
3706 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3707 | ||
40381db7 | 3708 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 PZ |
3709 | } |
3710 | ||
40381db7 | 3711 | bgp_rib_remove(rn, pi, peer, afi, safi); |
d62a17ae | 3712 | } |
3713 | ||
3714 | bgp_unlock_node(rn); | |
558d1fec | 3715 | |
97736e32 | 3716 | #if ENABLE_BGP_VNC |
d62a17ae | 3717 | /* |
3718 | * Filtered update is treated as an implicit withdrawal (see | |
3719 | * bgp_rib_remove() | |
3720 | * a few lines above) | |
3721 | */ | |
3722 | if ((SAFI_MPLS_VPN == safi) || (SAFI_ENCAP == safi)) { | |
3723 | rfapiProcessWithdraw(peer, NULL, p, prd, NULL, afi, safi, type, | |
3724 | 0); | |
3725 | } | |
97736e32 PZ |
3726 | #endif |
3727 | ||
d62a17ae | 3728 | return 0; |
718e3744 | 3729 | } |
3730 | ||
d7c0a89a | 3731 | int bgp_withdraw(struct peer *peer, struct prefix *p, uint32_t addpath_id, |
d62a17ae | 3732 | struct attr *attr, afi_t afi, safi_t safi, int type, |
a4d82a8a | 3733 | int sub_type, struct prefix_rd *prd, mpls_label_t *label, |
d7c0a89a | 3734 | uint32_t num_labels, struct bgp_route_evpn *evpn) |
718e3744 | 3735 | { |
d62a17ae | 3736 | struct bgp *bgp; |
3737 | char pfx_buf[BGP_PRD_PATH_STRLEN]; | |
3738 | struct bgp_node *rn; | |
40381db7 | 3739 | struct bgp_path_info *pi; |
718e3744 | 3740 | |
28070ee3 | 3741 | #if ENABLE_BGP_VNC |
d62a17ae | 3742 | if ((SAFI_MPLS_VPN == safi) || (SAFI_ENCAP == safi)) { |
3743 | rfapiProcessWithdraw(peer, NULL, p, prd, NULL, afi, safi, type, | |
3744 | 0); | |
3745 | } | |
28070ee3 PZ |
3746 | #endif |
3747 | ||
d62a17ae | 3748 | bgp = peer->bgp; |
3749 | ||
3750 | /* Lookup node. */ | |
3751 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
3752 | ||
3753 | /* If peer is soft reconfiguration enabled. Record input packet for | |
3754 | * further calculation. | |
3755 | * | |
3756 | * Cisco IOS 12.4(24)T4 on session establishment sends withdraws for all | |
3757 | * routes that are filtered. This tanks out Quagga RS pretty badly due | |
3758 | * to | |
3759 | * the iteration over all RS clients. | |
3760 | * Since we need to remove the entry from adj_in anyway, do that first | |
3761 | * and | |
3762 | * if there was no entry, we don't need to do anything more. | |
3763 | */ | |
3764 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG) | |
3765 | && peer != bgp->peer_self) | |
3766 | if (!bgp_adj_in_unset(rn, peer, addpath_id)) { | |
b4d46cc9 DL |
3767 | peer->stat_pfx_dup_withdraw++; |
3768 | ||
d62a17ae | 3769 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3770 | bgp_debug_rdpfxpath2str( | |
a4d82a8a | 3771 | afi, safi, prd, p, label, num_labels, |
d62a17ae | 3772 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3773 | sizeof(pfx_buf)); | |
3774 | zlog_debug( | |
3775 | "%s withdrawing route %s not in adj-in", | |
3776 | peer->host, pfx_buf); | |
3777 | } | |
3778 | bgp_unlock_node(rn); | |
3779 | return 0; | |
3780 | } | |
cd808e74 | 3781 | |
d62a17ae | 3782 | /* Lookup withdrawn route. */ |
6f94b685 | 3783 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
3784 | if (pi->peer == peer && pi->type == type |
3785 | && pi->sub_type == sub_type | |
3786 | && pi->addpath_rx_id == addpath_id) | |
d62a17ae | 3787 | break; |
3788 | ||
3789 | /* Logging. */ | |
3790 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a | 3791 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3792 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3793 | sizeof(pfx_buf)); | |
3794 | zlog_debug("%s rcvd UPDATE about %s -- withdrawn", peer->host, | |
3795 | pfx_buf); | |
3796 | } | |
718e3744 | 3797 | |
d62a17ae | 3798 | /* Withdraw specified route from routing table. */ |
40381db7 DS |
3799 | if (pi && !CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) { |
3800 | bgp_rib_withdraw(rn, pi, peer, afi, safi, prd); | |
ddb5b488 PZ |
3801 | if (SAFI_UNICAST == safi |
3802 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3803 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
40381db7 | 3804 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
3805 | } |
3806 | if ((SAFI_MPLS_VPN == safi) | |
3807 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3808 | ||
40381db7 | 3809 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 PZ |
3810 | } |
3811 | } else if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a | 3812 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3813 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3814 | sizeof(pfx_buf)); | |
3815 | zlog_debug("%s Can't find the route %s", peer->host, pfx_buf); | |
3816 | } | |
718e3744 | 3817 | |
d62a17ae | 3818 | /* Unlock bgp_node_get() lock. */ |
3819 | bgp_unlock_node(rn); | |
3820 | ||
3821 | return 0; | |
718e3744 | 3822 | } |
6b0655a2 | 3823 | |
d62a17ae | 3824 | void bgp_default_originate(struct peer *peer, afi_t afi, safi_t safi, |
3825 | int withdraw) | |
718e3744 | 3826 | { |
d62a17ae | 3827 | struct update_subgroup *subgrp; |
3828 | subgrp = peer_subgroup(peer, afi, safi); | |
3829 | subgroup_default_originate(subgrp, withdraw); | |
3f9c7369 | 3830 | } |
6182d65b | 3831 | |
718e3744 | 3832 | |
3f9c7369 DS |
3833 | /* |
3834 | * bgp_stop_announce_route_timer | |
3835 | */ | |
d62a17ae | 3836 | void bgp_stop_announce_route_timer(struct peer_af *paf) |
3f9c7369 | 3837 | { |
d62a17ae | 3838 | if (!paf->t_announce_route) |
3839 | return; | |
3840 | ||
3841 | THREAD_TIMER_OFF(paf->t_announce_route); | |
718e3744 | 3842 | } |
6b0655a2 | 3843 | |
3f9c7369 DS |
3844 | /* |
3845 | * bgp_announce_route_timer_expired | |
3846 | * | |
3847 | * Callback that is invoked when the route announcement timer for a | |
3848 | * peer_af expires. | |
3849 | */ | |
d62a17ae | 3850 | static int bgp_announce_route_timer_expired(struct thread *t) |
718e3744 | 3851 | { |
d62a17ae | 3852 | struct peer_af *paf; |
3853 | struct peer *peer; | |
558d1fec | 3854 | |
d62a17ae | 3855 | paf = THREAD_ARG(t); |
3856 | peer = paf->peer; | |
718e3744 | 3857 | |
d62a17ae | 3858 | if (peer->status != Established) |
3859 | return 0; | |
3f9c7369 | 3860 | |
d62a17ae | 3861 | if (!peer->afc_nego[paf->afi][paf->safi]) |
3862 | return 0; | |
3f9c7369 | 3863 | |
d62a17ae | 3864 | peer_af_announce_route(paf, 1); |
3865 | return 0; | |
718e3744 | 3866 | } |
3867 | ||
3f9c7369 DS |
3868 | /* |
3869 | * bgp_announce_route | |
3870 | * | |
3871 | * *Triggers* announcement of routes of a given AFI/SAFI to a peer. | |
3872 | */ | |
d62a17ae | 3873 | void bgp_announce_route(struct peer *peer, afi_t afi, safi_t safi) |
3874 | { | |
3875 | struct peer_af *paf; | |
3876 | struct update_subgroup *subgrp; | |
3877 | ||
3878 | paf = peer_af_find(peer, afi, safi); | |
3879 | if (!paf) | |
3880 | return; | |
3881 | subgrp = PAF_SUBGRP(paf); | |
3882 | ||
3883 | /* | |
3884 | * Ignore if subgroup doesn't exist (implies AF is not negotiated) | |
3885 | * or a refresh has already been triggered. | |
3886 | */ | |
3887 | if (!subgrp || paf->t_announce_route) | |
3888 | return; | |
3889 | ||
3890 | /* | |
3891 | * Start a timer to stagger/delay the announce. This serves | |
3892 | * two purposes - announcement can potentially be combined for | |
3893 | * multiple peers and the announcement doesn't happen in the | |
3894 | * vty context. | |
3895 | */ | |
3896 | thread_add_timer_msec(bm->master, bgp_announce_route_timer_expired, paf, | |
3897 | (subgrp->peer_count == 1) | |
3898 | ? BGP_ANNOUNCE_ROUTE_SHORT_DELAY_MS | |
3899 | : BGP_ANNOUNCE_ROUTE_DELAY_MS, | |
3900 | &paf->t_announce_route); | |
3f9c7369 DS |
3901 | } |
3902 | ||
3903 | /* | |
3904 | * Announce routes from all AF tables to a peer. | |
3905 | * | |
3906 | * This should ONLY be called when there is a need to refresh the | |
3907 | * routes to the peer based on a policy change for this peer alone | |
3908 | * or a route refresh request received from the peer. | |
3909 | * The operation will result in splitting the peer from its existing | |
3910 | * subgroups and putting it in new subgroups. | |
3911 | */ | |
d62a17ae | 3912 | void bgp_announce_route_all(struct peer *peer) |
718e3744 | 3913 | { |
d62a17ae | 3914 | afi_t afi; |
3915 | safi_t safi; | |
3916 | ||
05c7a1cc QY |
3917 | FOREACH_AFI_SAFI (afi, safi) |
3918 | bgp_announce_route(peer, afi, safi); | |
718e3744 | 3919 | } |
6b0655a2 | 3920 | |
d62a17ae | 3921 | static void bgp_soft_reconfig_table(struct peer *peer, afi_t afi, safi_t safi, |
3922 | struct bgp_table *table, | |
3923 | struct prefix_rd *prd) | |
718e3744 | 3924 | { |
d62a17ae | 3925 | int ret; |
3926 | struct bgp_node *rn; | |
3927 | struct bgp_adj_in *ain; | |
718e3744 | 3928 | |
d62a17ae | 3929 | if (!table) |
3930 | table = peer->bgp->rib[afi][safi]; | |
718e3744 | 3931 | |
d62a17ae | 3932 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) |
3933 | for (ain = rn->adj_in; ain; ain = ain->next) { | |
ea47320b DL |
3934 | if (ain->peer != peer) |
3935 | continue; | |
8692c506 | 3936 | |
d7d15889 | 3937 | struct bgp_path_info *pi; |
d7c0a89a | 3938 | uint32_t num_labels = 0; |
b57ba6d2 | 3939 | mpls_label_t *label_pnt = NULL; |
8cb687c2 | 3940 | struct bgp_route_evpn evpn; |
b57ba6d2 | 3941 | |
d7d15889 DS |
3942 | for (pi = bgp_node_get_bgp_path_info(rn); pi; |
3943 | pi = pi->next) | |
3944 | if (pi->peer == peer) | |
3945 | break; | |
3946 | ||
40381db7 DS |
3947 | if (pi && pi->extra) |
3948 | num_labels = pi->extra->num_labels; | |
b57ba6d2 | 3949 | if (num_labels) |
40381db7 | 3950 | label_pnt = &pi->extra->label[0]; |
8cb687c2 DS |
3951 | if (pi) |
3952 | memcpy(&evpn, &pi->attr->evpn_overlay, | |
3953 | sizeof(evpn)); | |
3954 | else | |
3955 | memset(&evpn, 0, sizeof(evpn)); | |
8692c506 | 3956 | |
ea47320b DL |
3957 | ret = bgp_update(peer, &rn->p, ain->addpath_rx_id, |
3958 | ain->attr, afi, safi, ZEBRA_ROUTE_BGP, | |
a4d82a8a | 3959 | BGP_ROUTE_NORMAL, prd, label_pnt, |
8cb687c2 | 3960 | num_labels, 1, &evpn); |
ea47320b DL |
3961 | |
3962 | if (ret < 0) { | |
3963 | bgp_unlock_node(rn); | |
3964 | return; | |
d62a17ae | 3965 | } |
3966 | } | |
718e3744 | 3967 | } |
3968 | ||
d62a17ae | 3969 | void bgp_soft_reconfig_in(struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 3970 | { |
d62a17ae | 3971 | struct bgp_node *rn; |
3972 | struct bgp_table *table; | |
718e3744 | 3973 | |
d62a17ae | 3974 | if (peer->status != Established) |
3975 | return; | |
718e3744 | 3976 | |
d62a17ae | 3977 | if ((safi != SAFI_MPLS_VPN) && (safi != SAFI_ENCAP) |
3978 | && (safi != SAFI_EVPN)) | |
3979 | bgp_soft_reconfig_table(peer, afi, safi, NULL, NULL); | |
3980 | else | |
3981 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
67009e22 DS |
3982 | rn = bgp_route_next(rn)) { |
3983 | table = bgp_node_get_bgp_table_info(rn); | |
3984 | if (table != NULL) { | |
d62a17ae | 3985 | struct prefix_rd prd; |
67009e22 | 3986 | |
d62a17ae | 3987 | prd.family = AF_UNSPEC; |
3988 | prd.prefixlen = 64; | |
3989 | memcpy(&prd.val, rn->p.u.val, 8); | |
8692c506 | 3990 | |
d62a17ae | 3991 | bgp_soft_reconfig_table(peer, afi, safi, table, |
3992 | &prd); | |
3993 | } | |
67009e22 | 3994 | } |
718e3744 | 3995 | } |
6b0655a2 | 3996 | |
228da428 | 3997 | |
d62a17ae | 3998 | struct bgp_clear_node_queue { |
3999 | struct bgp_node *rn; | |
228da428 CC |
4000 | }; |
4001 | ||
d62a17ae | 4002 | static wq_item_status bgp_clear_route_node(struct work_queue *wq, void *data) |
200df115 | 4003 | { |
d62a17ae | 4004 | struct bgp_clear_node_queue *cnq = data; |
4005 | struct bgp_node *rn = cnq->rn; | |
4006 | struct peer *peer = wq->spec.data; | |
40381db7 | 4007 | struct bgp_path_info *pi; |
3103e8d2 | 4008 | struct bgp *bgp; |
d62a17ae | 4009 | afi_t afi = bgp_node_table(rn)->afi; |
4010 | safi_t safi = bgp_node_table(rn)->safi; | |
4011 | ||
4012 | assert(rn && peer); | |
3103e8d2 | 4013 | bgp = peer->bgp; |
d62a17ae | 4014 | |
4015 | /* It is possible that we have multiple paths for a prefix from a peer | |
4016 | * if that peer is using AddPath. | |
4017 | */ | |
6f94b685 | 4018 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 4019 | if (pi->peer != peer) |
ea47320b DL |
4020 | continue; |
4021 | ||
4022 | /* graceful restart STALE flag set. */ | |
4023 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_NSF_WAIT) | |
4024 | && peer->nsf[afi][safi] | |
40381db7 DS |
4025 | && !CHECK_FLAG(pi->flags, BGP_PATH_STALE) |
4026 | && !CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) | |
4027 | bgp_path_info_set_flag(rn, pi, BGP_PATH_STALE); | |
ea47320b DL |
4028 | else { |
4029 | /* If this is an EVPN route, process for | |
4030 | * un-import. */ | |
4031 | if (safi == SAFI_EVPN) | |
40381db7 DS |
4032 | bgp_evpn_unimport_route(bgp, afi, safi, &rn->p, |
4033 | pi); | |
3103e8d2 DS |
4034 | /* Handle withdraw for VRF route-leaking and L3VPN */ |
4035 | if (SAFI_UNICAST == safi | |
4036 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF || | |
960035b2 | 4037 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { |
3103e8d2 | 4038 | vpn_leak_from_vrf_withdraw(bgp_get_default(), |
40381db7 | 4039 | bgp, pi); |
960035b2 | 4040 | } |
3103e8d2 | 4041 | if (SAFI_MPLS_VPN == safi && |
960035b2 | 4042 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { |
40381db7 | 4043 | vpn_leak_to_vrf_withdraw(bgp, pi); |
960035b2 | 4044 | } |
3103e8d2 | 4045 | |
40381db7 | 4046 | bgp_rib_remove(rn, pi, peer, afi, safi); |
d62a17ae | 4047 | } |
ea47320b | 4048 | } |
d62a17ae | 4049 | return WQ_SUCCESS; |
200df115 | 4050 | } |
4051 | ||
d62a17ae | 4052 | static void bgp_clear_node_queue_del(struct work_queue *wq, void *data) |
200df115 | 4053 | { |
d62a17ae | 4054 | struct bgp_clear_node_queue *cnq = data; |
4055 | struct bgp_node *rn = cnq->rn; | |
4056 | struct bgp_table *table = bgp_node_table(rn); | |
228da428 | 4057 | |
d62a17ae | 4058 | bgp_unlock_node(rn); |
4059 | bgp_table_unlock(table); | |
4060 | XFREE(MTYPE_BGP_CLEAR_NODE_QUEUE, cnq); | |
200df115 | 4061 | } |
4062 | ||
d62a17ae | 4063 | static void bgp_clear_node_complete(struct work_queue *wq) |
200df115 | 4064 | { |
d62a17ae | 4065 | struct peer *peer = wq->spec.data; |
64e580a7 | 4066 | |
d62a17ae | 4067 | /* Tickle FSM to start moving again */ |
4068 | BGP_EVENT_ADD(peer, Clearing_Completed); | |
4069 | ||
4070 | peer_unlock(peer); /* bgp_clear_route */ | |
200df115 | 4071 | } |
718e3744 | 4072 | |
d62a17ae | 4073 | static void bgp_clear_node_queue_init(struct peer *peer) |
200df115 | 4074 | { |
d62a17ae | 4075 | char wname[sizeof("clear xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx")]; |
4076 | ||
4077 | snprintf(wname, sizeof(wname), "clear %s", peer->host); | |
4078 | #undef CLEAR_QUEUE_NAME_LEN | |
4079 | ||
0ce1ca80 | 4080 | peer->clear_node_queue = work_queue_new(bm->master, wname); |
d62a17ae | 4081 | peer->clear_node_queue->spec.hold = 10; |
4082 | peer->clear_node_queue->spec.workfunc = &bgp_clear_route_node; | |
4083 | peer->clear_node_queue->spec.del_item_data = &bgp_clear_node_queue_del; | |
4084 | peer->clear_node_queue->spec.completion_func = &bgp_clear_node_complete; | |
4085 | peer->clear_node_queue->spec.max_retries = 0; | |
4086 | ||
4087 | /* we only 'lock' this peer reference when the queue is actually active | |
4088 | */ | |
4089 | peer->clear_node_queue->spec.data = peer; | |
65ca75e0 PJ |
4090 | } |
4091 | ||
d62a17ae | 4092 | static void bgp_clear_route_table(struct peer *peer, afi_t afi, safi_t safi, |
4093 | struct bgp_table *table) | |
65ca75e0 | 4094 | { |
d62a17ae | 4095 | struct bgp_node *rn; |
4096 | int force = bm->process_main_queue ? 0 : 1; | |
6cf159b9 | 4097 | |
d62a17ae | 4098 | if (!table) |
4099 | table = peer->bgp->rib[afi][safi]; | |
dc83d712 | 4100 | |
d62a17ae | 4101 | /* If still no table => afi/safi isn't configured at all or smth. */ |
4102 | if (!table) | |
4103 | return; | |
dc83d712 | 4104 | |
d62a17ae | 4105 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
40381db7 | 4106 | struct bgp_path_info *pi, *next; |
d62a17ae | 4107 | struct bgp_adj_in *ain; |
4108 | struct bgp_adj_in *ain_next; | |
4109 | ||
4110 | /* XXX:TODO: This is suboptimal, every non-empty route_node is | |
4111 | * queued for every clearing peer, regardless of whether it is | |
4112 | * relevant to the peer at hand. | |
4113 | * | |
4114 | * Overview: There are 3 different indices which need to be | |
4115 | * scrubbed, potentially, when a peer is removed: | |
4116 | * | |
4117 | * 1 peer's routes visible via the RIB (ie accepted routes) | |
4118 | * 2 peer's routes visible by the (optional) peer's adj-in index | |
4119 | * 3 other routes visible by the peer's adj-out index | |
4120 | * | |
4121 | * 3 there is no hurry in scrubbing, once the struct peer is | |
4122 | * removed from bgp->peer, we could just GC such deleted peer's | |
4123 | * adj-outs at our leisure. | |
4124 | * | |
4125 | * 1 and 2 must be 'scrubbed' in some way, at least made | |
4126 | * invisible via RIB index before peer session is allowed to be | |
4127 | * brought back up. So one needs to know when such a 'search' is | |
4128 | * complete. | |
4129 | * | |
4130 | * Ideally: | |
4131 | * | |
4132 | * - there'd be a single global queue or a single RIB walker | |
4133 | * - rather than tracking which route_nodes still need to be | |
4134 | * examined on a peer basis, we'd track which peers still | |
4135 | * aren't cleared | |
4136 | * | |
4137 | * Given that our per-peer prefix-counts now should be reliable, | |
4138 | * this may actually be achievable. It doesn't seem to be a huge | |
4139 | * problem at this time, | |
4140 | * | |
4141 | * It is possible that we have multiple paths for a prefix from | |
4142 | * a peer | |
4143 | * if that peer is using AddPath. | |
4144 | */ | |
4145 | ain = rn->adj_in; | |
4146 | while (ain) { | |
4147 | ain_next = ain->next; | |
4148 | ||
4149 | if (ain->peer == peer) { | |
4150 | bgp_adj_in_remove(rn, ain); | |
4151 | bgp_unlock_node(rn); | |
4152 | } | |
4153 | ||
4154 | ain = ain_next; | |
4155 | } | |
4156 | ||
6f94b685 | 4157 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = next) { |
40381db7 DS |
4158 | next = pi->next; |
4159 | if (pi->peer != peer) | |
d62a17ae | 4160 | continue; |
4161 | ||
4162 | if (force) | |
40381db7 | 4163 | bgp_path_info_reap(rn, pi); |
d62a17ae | 4164 | else { |
4165 | struct bgp_clear_node_queue *cnq; | |
4166 | ||
4167 | /* both unlocked in bgp_clear_node_queue_del */ | |
4168 | bgp_table_lock(bgp_node_table(rn)); | |
4169 | bgp_lock_node(rn); | |
4170 | cnq = XCALLOC( | |
4171 | MTYPE_BGP_CLEAR_NODE_QUEUE, | |
4172 | sizeof(struct bgp_clear_node_queue)); | |
4173 | cnq->rn = rn; | |
4174 | work_queue_add(peer->clear_node_queue, cnq); | |
4175 | break; | |
4176 | } | |
4177 | } | |
4178 | } | |
4179 | return; | |
4180 | } | |
4181 | ||
4182 | void bgp_clear_route(struct peer *peer, afi_t afi, safi_t safi) | |
4183 | { | |
4184 | struct bgp_node *rn; | |
4185 | struct bgp_table *table; | |
4186 | ||
4187 | if (peer->clear_node_queue == NULL) | |
4188 | bgp_clear_node_queue_init(peer); | |
4189 | ||
4190 | /* bgp_fsm.c keeps sessions in state Clearing, not transitioning to | |
4191 | * Idle until it receives a Clearing_Completed event. This protects | |
4192 | * against peers which flap faster than we can we clear, which could | |
4193 | * lead to: | |
4194 | * | |
4195 | * a) race with routes from the new session being installed before | |
4196 | * clear_route_node visits the node (to delete the route of that | |
4197 | * peer) | |
4198 | * b) resource exhaustion, clear_route_node likely leads to an entry | |
4199 | * on the process_main queue. Fast-flapping could cause that queue | |
4200 | * to grow and grow. | |
4201 | */ | |
4202 | ||
4203 | /* lock peer in assumption that clear-node-queue will get nodes; if so, | |
4204 | * the unlock will happen upon work-queue completion; other wise, the | |
4205 | * unlock happens at the end of this function. | |
4206 | */ | |
4207 | if (!peer->clear_node_queue->thread) | |
4208 | peer_lock(peer); | |
4209 | ||
4210 | if (safi != SAFI_MPLS_VPN && safi != SAFI_ENCAP && safi != SAFI_EVPN) | |
4211 | bgp_clear_route_table(peer, afi, safi, NULL); | |
4212 | else | |
4213 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
67009e22 DS |
4214 | rn = bgp_route_next(rn)) { |
4215 | table = bgp_node_get_bgp_table_info(rn); | |
4216 | if (!table) | |
4217 | continue; | |
4218 | ||
4219 | bgp_clear_route_table(peer, afi, safi, table); | |
4220 | } | |
d62a17ae | 4221 | |
4222 | /* unlock if no nodes got added to the clear-node-queue. */ | |
4223 | if (!peer->clear_node_queue->thread) | |
4224 | peer_unlock(peer); | |
718e3744 | 4225 | } |
d62a17ae | 4226 | |
4227 | void bgp_clear_route_all(struct peer *peer) | |
718e3744 | 4228 | { |
d62a17ae | 4229 | afi_t afi; |
4230 | safi_t safi; | |
718e3744 | 4231 | |
05c7a1cc QY |
4232 | FOREACH_AFI_SAFI (afi, safi) |
4233 | bgp_clear_route(peer, afi, safi); | |
65efcfce LB |
4234 | |
4235 | #if ENABLE_BGP_VNC | |
d62a17ae | 4236 | rfapiProcessPeerDown(peer); |
65efcfce | 4237 | #endif |
718e3744 | 4238 | } |
4239 | ||
d62a17ae | 4240 | void bgp_clear_adj_in(struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 4241 | { |
d62a17ae | 4242 | struct bgp_table *table; |
4243 | struct bgp_node *rn; | |
4244 | struct bgp_adj_in *ain; | |
4245 | struct bgp_adj_in *ain_next; | |
718e3744 | 4246 | |
d62a17ae | 4247 | table = peer->bgp->rib[afi][safi]; |
718e3744 | 4248 | |
d62a17ae | 4249 | /* It is possible that we have multiple paths for a prefix from a peer |
4250 | * if that peer is using AddPath. | |
4251 | */ | |
4252 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
4253 | ain = rn->adj_in; | |
43143c8f | 4254 | |
d62a17ae | 4255 | while (ain) { |
4256 | ain_next = ain->next; | |
43143c8f | 4257 | |
d62a17ae | 4258 | if (ain->peer == peer) { |
4259 | bgp_adj_in_remove(rn, ain); | |
4260 | bgp_unlock_node(rn); | |
4261 | } | |
43143c8f | 4262 | |
d62a17ae | 4263 | ain = ain_next; |
4264 | } | |
4265 | } | |
718e3744 | 4266 | } |
93406d87 | 4267 | |
d62a17ae | 4268 | void bgp_clear_stale_route(struct peer *peer, afi_t afi, safi_t safi) |
4269 | { | |
4270 | struct bgp_node *rn; | |
40381db7 | 4271 | struct bgp_path_info *pi; |
d62a17ae | 4272 | struct bgp_table *table; |
4273 | ||
4274 | if (safi == SAFI_MPLS_VPN) { | |
4275 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
4276 | rn = bgp_route_next(rn)) { | |
4277 | struct bgp_node *rm; | |
d62a17ae | 4278 | |
4279 | /* look for neighbor in tables */ | |
67009e22 DS |
4280 | table = bgp_node_get_bgp_table_info(rn); |
4281 | if (!table) | |
ea47320b DL |
4282 | continue; |
4283 | ||
4284 | for (rm = bgp_table_top(table); rm; | |
4285 | rm = bgp_route_next(rm)) | |
6f94b685 DS |
4286 | for (pi = bgp_node_get_bgp_path_info(rm); pi; |
4287 | pi = pi->next) { | |
40381db7 | 4288 | if (pi->peer != peer) |
ea47320b | 4289 | continue; |
40381db7 | 4290 | if (!CHECK_FLAG(pi->flags, |
1defdda8 | 4291 | BGP_PATH_STALE)) |
ea47320b DL |
4292 | break; |
4293 | ||
40381db7 | 4294 | bgp_rib_remove(rm, pi, peer, afi, safi); |
ea47320b DL |
4295 | break; |
4296 | } | |
d62a17ae | 4297 | } |
4298 | } else { | |
4299 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
4300 | rn = bgp_route_next(rn)) | |
6f94b685 DS |
4301 | for (pi = bgp_node_get_bgp_path_info(rn); pi; |
4302 | pi = pi->next) { | |
40381db7 | 4303 | if (pi->peer != peer) |
ea47320b | 4304 | continue; |
40381db7 | 4305 | if (!CHECK_FLAG(pi->flags, BGP_PATH_STALE)) |
d62a17ae | 4306 | break; |
40381db7 | 4307 | bgp_rib_remove(rn, pi, peer, afi, safi); |
ea47320b DL |
4308 | break; |
4309 | } | |
d62a17ae | 4310 | } |
93406d87 | 4311 | } |
6b0655a2 | 4312 | |
9dac9fc8 DA |
4313 | int bgp_outbound_policy_exists(struct peer *peer, struct bgp_filter *filter) |
4314 | { | |
4315 | if (peer->sort == BGP_PEER_EBGP | |
4316 | && (ROUTE_MAP_OUT_NAME(filter) || PREFIX_LIST_OUT_NAME(filter) | |
4317 | || FILTER_LIST_OUT_NAME(filter) | |
4318 | || DISTRIBUTE_OUT_NAME(filter))) | |
4319 | return 1; | |
4320 | return 0; | |
4321 | } | |
4322 | ||
4323 | int bgp_inbound_policy_exists(struct peer *peer, struct bgp_filter *filter) | |
4324 | { | |
4325 | if (peer->sort == BGP_PEER_EBGP | |
4326 | && (ROUTE_MAP_IN_NAME(filter) || PREFIX_LIST_IN_NAME(filter) | |
4327 | || FILTER_LIST_IN_NAME(filter) | |
4328 | || DISTRIBUTE_IN_NAME(filter))) | |
4329 | return 1; | |
4330 | return 0; | |
4331 | } | |
4332 | ||
568e10ca | 4333 | static void bgp_cleanup_table(struct bgp *bgp, struct bgp_table *table, |
4334 | safi_t safi) | |
bb86c601 | 4335 | { |
d62a17ae | 4336 | struct bgp_node *rn; |
40381db7 | 4337 | struct bgp_path_info *pi; |
4b7e6066 | 4338 | struct bgp_path_info *next; |
bb86c601 | 4339 | |
d62a17ae | 4340 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) |
6f94b685 | 4341 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = next) { |
40381db7 | 4342 | next = pi->next; |
1b7bb747 CS |
4343 | |
4344 | /* Unimport EVPN routes from VRFs */ | |
4345 | if (safi == SAFI_EVPN) | |
4346 | bgp_evpn_unimport_route(bgp, AFI_L2VPN, | |
4347 | SAFI_EVPN, | |
4348 | &rn->p, pi); | |
4349 | ||
40381db7 DS |
4350 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED) |
4351 | && pi->type == ZEBRA_ROUTE_BGP | |
4352 | && (pi->sub_type == BGP_ROUTE_NORMAL | |
4353 | || pi->sub_type == BGP_ROUTE_AGGREGATE | |
4354 | || pi->sub_type == BGP_ROUTE_IMPORTED)) { | |
ddb5b488 | 4355 | |
d62a17ae | 4356 | if (bgp_fibupd_safi(safi)) |
40381db7 DS |
4357 | bgp_zebra_withdraw(&rn->p, pi, bgp, |
4358 | safi); | |
4359 | bgp_path_info_reap(rn, pi); | |
d62a17ae | 4360 | } |
4361 | } | |
bb86c601 LB |
4362 | } |
4363 | ||
718e3744 | 4364 | /* Delete all kernel routes. */ |
d62a17ae | 4365 | void bgp_cleanup_routes(struct bgp *bgp) |
4366 | { | |
4367 | afi_t afi; | |
4368 | struct bgp_node *rn; | |
67009e22 | 4369 | struct bgp_table *table; |
d62a17ae | 4370 | |
4371 | for (afi = AFI_IP; afi < AFI_MAX; ++afi) { | |
4372 | if (afi == AFI_L2VPN) | |
4373 | continue; | |
568e10ca | 4374 | bgp_cleanup_table(bgp, bgp->rib[afi][SAFI_UNICAST], |
4375 | SAFI_UNICAST); | |
d62a17ae | 4376 | /* |
4377 | * VPN and ENCAP and EVPN tables are two-level (RD is top level) | |
4378 | */ | |
4379 | if (afi != AFI_L2VPN) { | |
4380 | safi_t safi; | |
4381 | safi = SAFI_MPLS_VPN; | |
4382 | for (rn = bgp_table_top(bgp->rib[afi][safi]); rn; | |
4383 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4384 | table = bgp_node_get_bgp_table_info(rn); |
4385 | if (table != NULL) { | |
4386 | bgp_cleanup_table(bgp, table, safi); | |
4387 | bgp_table_finish(&table); | |
4388 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4389 | bgp_unlock_node(rn); |
4390 | } | |
4391 | } | |
4392 | safi = SAFI_ENCAP; | |
4393 | for (rn = bgp_table_top(bgp->rib[afi][safi]); rn; | |
4394 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4395 | table = bgp_node_get_bgp_table_info(rn); |
4396 | if (table != NULL) { | |
4397 | bgp_cleanup_table(bgp, table, safi); | |
4398 | bgp_table_finish(&table); | |
4399 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4400 | bgp_unlock_node(rn); |
4401 | } | |
4402 | } | |
4403 | } | |
4404 | } | |
4405 | for (rn = bgp_table_top(bgp->rib[AFI_L2VPN][SAFI_EVPN]); rn; | |
4406 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4407 | table = bgp_node_get_bgp_table_info(rn); |
4408 | if (table != NULL) { | |
4409 | bgp_cleanup_table(bgp, table, SAFI_EVPN); | |
4410 | bgp_table_finish(&table); | |
4411 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4412 | bgp_unlock_node(rn); |
4413 | } | |
bb86c601 | 4414 | } |
718e3744 | 4415 | } |
4416 | ||
d62a17ae | 4417 | void bgp_reset(void) |
718e3744 | 4418 | { |
d62a17ae | 4419 | vty_reset(); |
4420 | bgp_zclient_reset(); | |
4421 | access_list_reset(); | |
4422 | prefix_list_reset(); | |
718e3744 | 4423 | } |
6b0655a2 | 4424 | |
d62a17ae | 4425 | static int bgp_addpath_encode_rx(struct peer *peer, afi_t afi, safi_t safi) |
adbac85e | 4426 | { |
d62a17ae | 4427 | return (CHECK_FLAG(peer->af_cap[afi][safi], PEER_CAP_ADDPATH_AF_RX_ADV) |
4428 | && CHECK_FLAG(peer->af_cap[afi][safi], | |
4429 | PEER_CAP_ADDPATH_AF_TX_RCV)); | |
adbac85e DW |
4430 | } |
4431 | ||
718e3744 | 4432 | /* Parse NLRI stream. Withdraw NLRI is recognized by NULL attr |
4433 | value. */ | |
d62a17ae | 4434 | int bgp_nlri_parse_ip(struct peer *peer, struct attr *attr, |
4435 | struct bgp_nlri *packet) | |
4436 | { | |
d7c0a89a QY |
4437 | uint8_t *pnt; |
4438 | uint8_t *lim; | |
d62a17ae | 4439 | struct prefix p; |
4440 | int psize; | |
4441 | int ret; | |
4442 | afi_t afi; | |
4443 | safi_t safi; | |
4444 | int addpath_encoded; | |
d7c0a89a | 4445 | uint32_t addpath_id; |
d62a17ae | 4446 | |
d62a17ae | 4447 | pnt = packet->nlri; |
4448 | lim = pnt + packet->length; | |
4449 | afi = packet->afi; | |
4450 | safi = packet->safi; | |
4451 | addpath_id = 0; | |
4452 | addpath_encoded = bgp_addpath_encode_rx(peer, afi, safi); | |
4453 | ||
4454 | /* RFC4771 6.3 The NLRI field in the UPDATE message is checked for | |
4455 | syntactic validity. If the field is syntactically incorrect, | |
4456 | then the Error Subcode is set to Invalid Network Field. */ | |
4457 | for (; pnt < lim; pnt += psize) { | |
4458 | /* Clear prefix structure. */ | |
4459 | memset(&p, 0, sizeof(struct prefix)); | |
4460 | ||
4461 | if (addpath_encoded) { | |
4462 | ||
4463 | /* When packet overflow occurs return immediately. */ | |
4464 | if (pnt + BGP_ADDPATH_ID_LEN > lim) | |
513386b5 | 4465 | return BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW; |
d62a17ae | 4466 | |
4467 | addpath_id = ntohl(*((uint32_t *)pnt)); | |
4468 | pnt += BGP_ADDPATH_ID_LEN; | |
4469 | } | |
718e3744 | 4470 | |
d62a17ae | 4471 | /* Fetch prefix length. */ |
4472 | p.prefixlen = *pnt++; | |
4473 | /* afi/safi validity already verified by caller, | |
4474 | * bgp_update_receive */ | |
4475 | p.family = afi2family(afi); | |
4476 | ||
4477 | /* Prefix length check. */ | |
4478 | if (p.prefixlen > prefix_blen(&p) * 8) { | |
af4c2728 | 4479 | flog_err( |
e50f7cfd | 4480 | EC_BGP_UPDATE_RCV, |
14454c9f | 4481 | "%s [Error] Update packet error (wrong prefix length %d for afi %u)", |
d62a17ae | 4482 | peer->host, p.prefixlen, packet->afi); |
513386b5 | 4483 | return BGP_NLRI_PARSE_ERROR_PREFIX_LENGTH; |
d62a17ae | 4484 | } |
6b0655a2 | 4485 | |
d62a17ae | 4486 | /* Packet size overflow check. */ |
4487 | psize = PSIZE(p.prefixlen); | |
4488 | ||
4489 | /* When packet overflow occur return immediately. */ | |
4490 | if (pnt + psize > lim) { | |
af4c2728 | 4491 | flog_err( |
e50f7cfd | 4492 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4493 | "%s [Error] Update packet error (prefix length %d overflows packet)", |
4494 | peer->host, p.prefixlen); | |
513386b5 | 4495 | return BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW; |
d62a17ae | 4496 | } |
4497 | ||
4498 | /* Defensive coding, double-check the psize fits in a struct | |
4499 | * prefix */ | |
4500 | if (psize > (ssize_t)sizeof(p.u)) { | |
af4c2728 | 4501 | flog_err( |
e50f7cfd | 4502 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4503 | "%s [Error] Update packet error (prefix length %d too large for prefix storage %zu)", |
4504 | peer->host, p.prefixlen, sizeof(p.u)); | |
513386b5 | 4505 | return BGP_NLRI_PARSE_ERROR_PACKET_LENGTH; |
d62a17ae | 4506 | } |
4507 | ||
4508 | /* Fetch prefix from NLRI packet. */ | |
a85297a7 | 4509 | memcpy(p.u.val, pnt, psize); |
d62a17ae | 4510 | |
4511 | /* Check address. */ | |
4512 | if (afi == AFI_IP && safi == SAFI_UNICAST) { | |
4513 | if (IN_CLASSD(ntohl(p.u.prefix4.s_addr))) { | |
4514 | /* From RFC4271 Section 6.3: | |
4515 | * | |
4516 | * If a prefix in the NLRI field is semantically | |
4517 | * incorrect | |
4518 | * (e.g., an unexpected multicast IP address), | |
4519 | * an error SHOULD | |
4520 | * be logged locally, and the prefix SHOULD be | |
4521 | * ignored. | |
a4d82a8a | 4522 | */ |
af4c2728 | 4523 | flog_err( |
e50f7cfd | 4524 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4525 | "%s: IPv4 unicast NLRI is multicast address %s, ignoring", |
4526 | peer->host, inet_ntoa(p.u.prefix4)); | |
4527 | continue; | |
4528 | } | |
4529 | } | |
4530 | ||
4531 | /* Check address. */ | |
4532 | if (afi == AFI_IP6 && safi == SAFI_UNICAST) { | |
4533 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) { | |
4534 | char buf[BUFSIZ]; | |
4535 | ||
af4c2728 | 4536 | flog_err( |
e50f7cfd | 4537 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4538 | "%s: IPv6 unicast NLRI is link-local address %s, ignoring", |
4539 | peer->host, | |
4540 | inet_ntop(AF_INET6, &p.u.prefix6, buf, | |
4541 | BUFSIZ)); | |
4542 | ||
4543 | continue; | |
4544 | } | |
4545 | if (IN6_IS_ADDR_MULTICAST(&p.u.prefix6)) { | |
4546 | char buf[BUFSIZ]; | |
4547 | ||
af4c2728 | 4548 | flog_err( |
e50f7cfd | 4549 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4550 | "%s: IPv6 unicast NLRI is multicast address %s, ignoring", |
4551 | peer->host, | |
4552 | inet_ntop(AF_INET6, &p.u.prefix6, buf, | |
4553 | BUFSIZ)); | |
4554 | ||
4555 | continue; | |
4556 | } | |
4557 | } | |
4558 | ||
4559 | /* Normal process. */ | |
4560 | if (attr) | |
4561 | ret = bgp_update(peer, &p, addpath_id, attr, afi, safi, | |
4562 | ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, | |
b57ba6d2 | 4563 | NULL, NULL, 0, 0, NULL); |
d62a17ae | 4564 | else |
4565 | ret = bgp_withdraw(peer, &p, addpath_id, attr, afi, | |
4566 | safi, ZEBRA_ROUTE_BGP, | |
a4d82a8a PZ |
4567 | BGP_ROUTE_NORMAL, NULL, NULL, 0, |
4568 | NULL); | |
d62a17ae | 4569 | |
513386b5 DA |
4570 | /* Do not send BGP notification twice when maximum-prefix count |
4571 | * overflow. */ | |
4572 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW)) | |
4573 | return BGP_NLRI_PARSE_ERROR_PREFIX_OVERFLOW; | |
4574 | ||
4575 | /* Address family configuration mismatch. */ | |
d62a17ae | 4576 | if (ret < 0) |
513386b5 | 4577 | return BGP_NLRI_PARSE_ERROR_ADDRESS_FAMILY; |
d62a17ae | 4578 | } |
4579 | ||
4580 | /* Packet length consistency check. */ | |
4581 | if (pnt != lim) { | |
af4c2728 | 4582 | flog_err( |
e50f7cfd | 4583 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4584 | "%s [Error] Update packet error (prefix length mismatch with total length)", |
4585 | peer->host); | |
513386b5 | 4586 | return BGP_NLRI_PARSE_ERROR_PACKET_LENGTH; |
d62a17ae | 4587 | } |
6b0655a2 | 4588 | |
513386b5 | 4589 | return BGP_NLRI_PARSE_OK; |
718e3744 | 4590 | } |
4591 | ||
d62a17ae | 4592 | static struct bgp_static *bgp_static_new(void) |
718e3744 | 4593 | { |
d62a17ae | 4594 | return XCALLOC(MTYPE_BGP_STATIC, sizeof(struct bgp_static)); |
718e3744 | 4595 | } |
4596 | ||
d62a17ae | 4597 | static void bgp_static_free(struct bgp_static *bgp_static) |
fee0f4c6 | 4598 | { |
0a22ddfb | 4599 | XFREE(MTYPE_ROUTE_MAP_NAME, bgp_static->rmap.name); |
b4897fa5 | 4600 | route_map_counter_decrement(bgp_static->rmap.map); |
4601 | ||
0a22ddfb | 4602 | XFREE(MTYPE_ATTR, bgp_static->eth_s_id); |
d62a17ae | 4603 | XFREE(MTYPE_BGP_STATIC, bgp_static); |
4604 | } | |
4605 | ||
4606 | void bgp_static_update(struct bgp *bgp, struct prefix *p, | |
4607 | struct bgp_static *bgp_static, afi_t afi, safi_t safi) | |
4608 | { | |
4609 | struct bgp_node *rn; | |
40381db7 | 4610 | struct bgp_path_info *pi; |
4b7e6066 | 4611 | struct bgp_path_info *new; |
40381db7 | 4612 | struct bgp_path_info rmap_path; |
d62a17ae | 4613 | struct attr attr; |
4614 | struct attr *attr_new; | |
b68885f9 | 4615 | route_map_result_t ret; |
65efcfce | 4616 | #if ENABLE_BGP_VNC |
d62a17ae | 4617 | int vnc_implicit_withdraw = 0; |
65efcfce | 4618 | #endif |
fee0f4c6 | 4619 | |
d62a17ae | 4620 | assert(bgp_static); |
4621 | if (!bgp_static) | |
4622 | return; | |
dd8103a9 | 4623 | |
d62a17ae | 4624 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, NULL); |
718e3744 | 4625 | |
d62a17ae | 4626 | bgp_attr_default_set(&attr, BGP_ORIGIN_IGP); |
718e3744 | 4627 | |
d62a17ae | 4628 | attr.nexthop = bgp_static->igpnexthop; |
4629 | attr.med = bgp_static->igpmetric; | |
4630 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
41367172 | 4631 | |
d62a17ae | 4632 | if (bgp_static->atomic) |
4633 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE); | |
6cf48acc | 4634 | |
d62a17ae | 4635 | /* Store label index, if required. */ |
4636 | if (bgp_static->label_index != BGP_INVALID_LABEL_INDEX) { | |
4637 | attr.label_index = bgp_static->label_index; | |
4638 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_PREFIX_SID); | |
4639 | } | |
718e3744 | 4640 | |
d62a17ae | 4641 | /* Apply route-map. */ |
4642 | if (bgp_static->rmap.name) { | |
4643 | struct attr attr_tmp = attr; | |
80ced710 | 4644 | |
40381db7 DS |
4645 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
4646 | rmap_path.peer = bgp->peer_self; | |
4647 | rmap_path.attr = &attr_tmp; | |
fee0f4c6 | 4648 | |
d62a17ae | 4649 | SET_FLAG(bgp->peer_self->rmap_type, PEER_RMAP_TYPE_NETWORK); |
286e1e71 | 4650 | |
40381db7 DS |
4651 | ret = route_map_apply(bgp_static->rmap.map, p, RMAP_BGP, |
4652 | &rmap_path); | |
fee0f4c6 | 4653 | |
d62a17ae | 4654 | bgp->peer_self->rmap_type = 0; |
718e3744 | 4655 | |
d62a17ae | 4656 | if (ret == RMAP_DENYMATCH) { |
4657 | /* Free uninterned attribute. */ | |
4658 | bgp_attr_flush(&attr_tmp); | |
718e3744 | 4659 | |
d62a17ae | 4660 | /* Unintern original. */ |
4661 | aspath_unintern(&attr.aspath); | |
4662 | bgp_static_withdraw(bgp, p, afi, safi); | |
4663 | return; | |
4664 | } | |
7f323236 DW |
4665 | |
4666 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) | |
4667 | bgp_attr_add_gshut_community(&attr_tmp); | |
4668 | ||
d62a17ae | 4669 | attr_new = bgp_attr_intern(&attr_tmp); |
7f323236 DW |
4670 | } else { |
4671 | ||
4672 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) | |
4673 | bgp_attr_add_gshut_community(&attr); | |
4674 | ||
d62a17ae | 4675 | attr_new = bgp_attr_intern(&attr); |
7f323236 | 4676 | } |
718e3744 | 4677 | |
6f94b685 | 4678 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4679 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4680 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4681 | break; |
4682 | ||
40381db7 DS |
4683 | if (pi) { |
4684 | if (attrhash_cmp(pi->attr, attr_new) | |
4685 | && !CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) | |
d62a17ae | 4686 | && !bgp_flag_check(bgp, BGP_FLAG_FORCE_STATIC_PROCESS)) { |
4687 | bgp_unlock_node(rn); | |
4688 | bgp_attr_unintern(&attr_new); | |
4689 | aspath_unintern(&attr.aspath); | |
4690 | return; | |
4691 | } else { | |
4692 | /* The attribute is changed. */ | |
40381db7 | 4693 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 4694 | |
4695 | /* Rewrite BGP route information. */ | |
40381db7 DS |
4696 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) |
4697 | bgp_path_info_restore(rn, pi); | |
d62a17ae | 4698 | else |
40381db7 | 4699 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
65efcfce | 4700 | #if ENABLE_BGP_VNC |
d62a17ae | 4701 | if ((afi == AFI_IP || afi == AFI_IP6) |
4702 | && (safi == SAFI_UNICAST)) { | |
40381db7 | 4703 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 4704 | /* |
4705 | * Implicit withdraw case. | |
40381db7 | 4706 | * We have to do this before pi is |
d62a17ae | 4707 | * changed |
4708 | */ | |
4709 | ++vnc_implicit_withdraw; | |
40381db7 | 4710 | vnc_import_bgp_del_route(bgp, p, pi); |
d62a17ae | 4711 | vnc_import_bgp_exterior_del_route( |
40381db7 | 4712 | bgp, p, pi); |
d62a17ae | 4713 | } |
4714 | } | |
65efcfce | 4715 | #endif |
40381db7 DS |
4716 | bgp_attr_unintern(&pi->attr); |
4717 | pi->attr = attr_new; | |
4718 | pi->uptime = bgp_clock(); | |
65efcfce | 4719 | #if ENABLE_BGP_VNC |
d62a17ae | 4720 | if ((afi == AFI_IP || afi == AFI_IP6) |
4721 | && (safi == SAFI_UNICAST)) { | |
4722 | if (vnc_implicit_withdraw) { | |
40381db7 | 4723 | vnc_import_bgp_add_route(bgp, p, pi); |
d62a17ae | 4724 | vnc_import_bgp_exterior_add_route( |
40381db7 | 4725 | bgp, p, pi); |
d62a17ae | 4726 | } |
4727 | } | |
65efcfce | 4728 | #endif |
718e3744 | 4729 | |
d62a17ae | 4730 | /* Nexthop reachability check. */ |
4731 | if (bgp_flag_check(bgp, BGP_FLAG_IMPORT_CHECK) | |
4732 | && (safi == SAFI_UNICAST | |
4733 | || safi == SAFI_LABELED_UNICAST)) { | |
960035b2 PZ |
4734 | |
4735 | struct bgp *bgp_nexthop = bgp; | |
4736 | ||
40381db7 DS |
4737 | if (pi->extra && pi->extra->bgp_orig) |
4738 | bgp_nexthop = pi->extra->bgp_orig; | |
960035b2 PZ |
4739 | |
4740 | if (bgp_find_or_add_nexthop(bgp, bgp_nexthop, | |
40381db7 DS |
4741 | afi, pi, NULL, 0)) |
4742 | bgp_path_info_set_flag(rn, pi, | |
18ee8310 | 4743 | BGP_PATH_VALID); |
d62a17ae | 4744 | else { |
4745 | if (BGP_DEBUG(nht, NHT)) { | |
4746 | char buf1[INET6_ADDRSTRLEN]; | |
4747 | inet_ntop(p->family, | |
4748 | &p->u.prefix, buf1, | |
4749 | INET6_ADDRSTRLEN); | |
4750 | zlog_debug( | |
4751 | "%s(%s): Route not in table, not advertising", | |
4752 | __FUNCTION__, buf1); | |
4753 | } | |
18ee8310 | 4754 | bgp_path_info_unset_flag( |
40381db7 | 4755 | rn, pi, BGP_PATH_VALID); |
d62a17ae | 4756 | } |
4757 | } else { | |
4758 | /* Delete the NHT structure if any, if we're | |
4759 | * toggling between | |
4760 | * enabling/disabling import check. We | |
4761 | * deregister the route | |
4762 | * from NHT to avoid overloading NHT and the | |
4763 | * process interaction | |
4764 | */ | |
40381db7 DS |
4765 | bgp_unlink_nexthop(pi); |
4766 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); | |
d62a17ae | 4767 | } |
4768 | /* Process change. */ | |
40381db7 | 4769 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 4770 | bgp_process(bgp, rn, afi, safi); |
ddb5b488 PZ |
4771 | |
4772 | if (SAFI_UNICAST == safi | |
4773 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
4774 | || bgp->inst_type | |
4775 | == BGP_INSTANCE_TYPE_DEFAULT)) { | |
4776 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, | |
40381db7 | 4777 | pi); |
ddb5b488 PZ |
4778 | } |
4779 | ||
d62a17ae | 4780 | bgp_unlock_node(rn); |
4781 | aspath_unintern(&attr.aspath); | |
4782 | return; | |
4783 | } | |
718e3744 | 4784 | } |
718e3744 | 4785 | |
d62a17ae | 4786 | /* Make new BGP info. */ |
4787 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_STATIC, 0, bgp->peer_self, | |
4788 | attr_new, rn); | |
4789 | /* Nexthop reachability check. */ | |
4790 | if (bgp_flag_check(bgp, BGP_FLAG_IMPORT_CHECK) | |
4791 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) { | |
960035b2 | 4792 | if (bgp_find_or_add_nexthop(bgp, bgp, afi, new, NULL, 0)) |
18ee8310 | 4793 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 4794 | else { |
4795 | if (BGP_DEBUG(nht, NHT)) { | |
4796 | char buf1[INET6_ADDRSTRLEN]; | |
4797 | inet_ntop(p->family, &p->u.prefix, buf1, | |
4798 | INET6_ADDRSTRLEN); | |
4799 | zlog_debug( | |
4800 | "%s(%s): Route not in table, not advertising", | |
4801 | __FUNCTION__, buf1); | |
4802 | } | |
18ee8310 | 4803 | bgp_path_info_unset_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 4804 | } |
4805 | } else { | |
4806 | /* Delete the NHT structure if any, if we're toggling between | |
4807 | * enabling/disabling import check. We deregister the route | |
4808 | * from NHT to avoid overloading NHT and the process interaction | |
4809 | */ | |
4810 | bgp_unlink_nexthop(new); | |
4811 | ||
18ee8310 | 4812 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
fc9a856f | 4813 | } |
078430f6 | 4814 | |
d62a17ae | 4815 | /* Aggregate address increment. */ |
4816 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
718e3744 | 4817 | |
d62a17ae | 4818 | /* Register new BGP information. */ |
18ee8310 | 4819 | bgp_path_info_add(rn, new); |
718e3744 | 4820 | |
d62a17ae | 4821 | /* route_node_get lock */ |
4822 | bgp_unlock_node(rn); | |
4823 | ||
4824 | /* Process change. */ | |
4825 | bgp_process(bgp, rn, afi, safi); | |
4826 | ||
ddb5b488 PZ |
4827 | if (SAFI_UNICAST == safi |
4828 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
4829 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
4830 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
4831 | } | |
4832 | ||
d62a17ae | 4833 | /* Unintern original. */ |
4834 | aspath_unintern(&attr.aspath); | |
718e3744 | 4835 | } |
4836 | ||
d62a17ae | 4837 | void bgp_static_withdraw(struct bgp *bgp, struct prefix *p, afi_t afi, |
4838 | safi_t safi) | |
718e3744 | 4839 | { |
d62a17ae | 4840 | struct bgp_node *rn; |
40381db7 | 4841 | struct bgp_path_info *pi; |
718e3744 | 4842 | |
d62a17ae | 4843 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, NULL); |
718e3744 | 4844 | |
d62a17ae | 4845 | /* Check selected route and self inserted route. */ |
6f94b685 | 4846 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4847 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4848 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4849 | break; |
4850 | ||
4851 | /* Withdraw static BGP route from routing table. */ | |
40381db7 | 4852 | if (pi) { |
ddb5b488 PZ |
4853 | if (SAFI_UNICAST == safi |
4854 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
4855 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
40381db7 | 4856 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 | 4857 | } |
40381db7 DS |
4858 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
4859 | bgp_unlink_nexthop(pi); | |
4860 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 4861 | bgp_process(bgp, rn, afi, safi); |
4862 | } | |
718e3744 | 4863 | |
d62a17ae | 4864 | /* Unlock bgp_node_lookup. */ |
4865 | bgp_unlock_node(rn); | |
718e3744 | 4866 | } |
4867 | ||
137446f9 LB |
4868 | /* |
4869 | * Used for SAFI_MPLS_VPN and SAFI_ENCAP | |
4870 | */ | |
d62a17ae | 4871 | static void bgp_static_withdraw_safi(struct bgp *bgp, struct prefix *p, |
4872 | afi_t afi, safi_t safi, | |
4873 | struct prefix_rd *prd) | |
718e3744 | 4874 | { |
d62a17ae | 4875 | struct bgp_node *rn; |
40381db7 | 4876 | struct bgp_path_info *pi; |
718e3744 | 4877 | |
d62a17ae | 4878 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); |
718e3744 | 4879 | |
d62a17ae | 4880 | /* Check selected route and self inserted route. */ |
6f94b685 | 4881 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4882 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4883 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4884 | break; |
718e3744 | 4885 | |
d62a17ae | 4886 | /* Withdraw static BGP route from routing table. */ |
40381db7 | 4887 | if (pi) { |
65efcfce | 4888 | #if ENABLE_BGP_VNC |
d62a17ae | 4889 | rfapiProcessWithdraw( |
40381db7 | 4890 | pi->peer, NULL, p, prd, pi->attr, afi, safi, pi->type, |
d62a17ae | 4891 | 1); /* Kill, since it is an administrative change */ |
65efcfce | 4892 | #endif |
ddb5b488 PZ |
4893 | if (SAFI_MPLS_VPN == safi |
4894 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
40381db7 | 4895 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 | 4896 | } |
40381db7 DS |
4897 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
4898 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 4899 | bgp_process(bgp, rn, afi, safi); |
4900 | } | |
718e3744 | 4901 | |
d62a17ae | 4902 | /* Unlock bgp_node_lookup. */ |
4903 | bgp_unlock_node(rn); | |
718e3744 | 4904 | } |
4905 | ||
d62a17ae | 4906 | static void bgp_static_update_safi(struct bgp *bgp, struct prefix *p, |
4907 | struct bgp_static *bgp_static, afi_t afi, | |
4908 | safi_t safi) | |
137446f9 | 4909 | { |
d62a17ae | 4910 | struct bgp_node *rn; |
4b7e6066 | 4911 | struct bgp_path_info *new; |
d62a17ae | 4912 | struct attr *attr_new; |
4913 | struct attr attr = {0}; | |
40381db7 | 4914 | struct bgp_path_info *pi; |
65efcfce | 4915 | #if ENABLE_BGP_VNC |
d62a17ae | 4916 | mpls_label_t label = 0; |
65efcfce | 4917 | #endif |
d7c0a89a | 4918 | uint32_t num_labels = 0; |
d62a17ae | 4919 | union gw_addr add; |
137446f9 | 4920 | |
d62a17ae | 4921 | assert(bgp_static); |
137446f9 | 4922 | |
b57ba6d2 MK |
4923 | if (bgp_static->label != MPLS_INVALID_LABEL) |
4924 | num_labels = 1; | |
d62a17ae | 4925 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, |
4926 | &bgp_static->prd); | |
137446f9 | 4927 | |
d62a17ae | 4928 | bgp_attr_default_set(&attr, BGP_ORIGIN_IGP); |
137446f9 | 4929 | |
d62a17ae | 4930 | attr.nexthop = bgp_static->igpnexthop; |
4931 | attr.med = bgp_static->igpmetric; | |
4932 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
137446f9 | 4933 | |
d62a17ae | 4934 | if ((safi == SAFI_EVPN) || (safi == SAFI_MPLS_VPN) |
4935 | || (safi == SAFI_ENCAP)) { | |
4936 | if (afi == AFI_IP) { | |
4937 | attr.mp_nexthop_global_in = bgp_static->igpnexthop; | |
4938 | attr.mp_nexthop_len = IPV4_MAX_BYTELEN; | |
4939 | } | |
4940 | } | |
4941 | if (afi == AFI_L2VPN) { | |
4942 | if (bgp_static->gatewayIp.family == AF_INET) | |
4943 | add.ipv4.s_addr = | |
4944 | bgp_static->gatewayIp.u.prefix4.s_addr; | |
4945 | else if (bgp_static->gatewayIp.family == AF_INET6) | |
4946 | memcpy(&(add.ipv6), &(bgp_static->gatewayIp.u.prefix6), | |
4947 | sizeof(struct in6_addr)); | |
4948 | overlay_index_update(&attr, bgp_static->eth_s_id, &add); | |
4949 | if (bgp_static->encap_tunneltype == BGP_ENCAP_TYPE_VXLAN) { | |
4950 | struct bgp_encap_type_vxlan bet; | |
4951 | memset(&bet, 0, sizeof(struct bgp_encap_type_vxlan)); | |
3714a385 | 4952 | bet.vnid = p->u.prefix_evpn.prefix_addr.eth_tag; |
d62a17ae | 4953 | bgp_encap_type_vxlan_to_tlv(&bet, &attr); |
4954 | } | |
4955 | if (bgp_static->router_mac) { | |
4956 | bgp_add_routermac_ecom(&attr, bgp_static->router_mac); | |
4957 | } | |
4958 | } | |
4959 | /* Apply route-map. */ | |
4960 | if (bgp_static->rmap.name) { | |
4961 | struct attr attr_tmp = attr; | |
40381db7 | 4962 | struct bgp_path_info rmap_path; |
b68885f9 | 4963 | route_map_result_t ret; |
137446f9 | 4964 | |
40381db7 DS |
4965 | rmap_path.peer = bgp->peer_self; |
4966 | rmap_path.attr = &attr_tmp; | |
137446f9 | 4967 | |
d62a17ae | 4968 | SET_FLAG(bgp->peer_self->rmap_type, PEER_RMAP_TYPE_NETWORK); |
137446f9 | 4969 | |
40381db7 DS |
4970 | ret = route_map_apply(bgp_static->rmap.map, p, RMAP_BGP, |
4971 | &rmap_path); | |
137446f9 | 4972 | |
d62a17ae | 4973 | bgp->peer_self->rmap_type = 0; |
137446f9 | 4974 | |
d62a17ae | 4975 | if (ret == RMAP_DENYMATCH) { |
4976 | /* Free uninterned attribute. */ | |
4977 | bgp_attr_flush(&attr_tmp); | |
137446f9 | 4978 | |
d62a17ae | 4979 | /* Unintern original. */ |
4980 | aspath_unintern(&attr.aspath); | |
4981 | bgp_static_withdraw_safi(bgp, p, afi, safi, | |
4982 | &bgp_static->prd); | |
4983 | return; | |
4984 | } | |
137446f9 | 4985 | |
d62a17ae | 4986 | attr_new = bgp_attr_intern(&attr_tmp); |
4987 | } else { | |
4988 | attr_new = bgp_attr_intern(&attr); | |
4989 | } | |
137446f9 | 4990 | |
6f94b685 | 4991 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4992 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4993 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4994 | break; |
4995 | ||
40381db7 | 4996 | if (pi) { |
d62a17ae | 4997 | memset(&add, 0, sizeof(union gw_addr)); |
40381db7 DS |
4998 | if (attrhash_cmp(pi->attr, attr_new) |
4999 | && overlay_index_equal(afi, pi, bgp_static->eth_s_id, &add) | |
5000 | && !CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 5001 | bgp_unlock_node(rn); |
5002 | bgp_attr_unintern(&attr_new); | |
5003 | aspath_unintern(&attr.aspath); | |
5004 | return; | |
5005 | } else { | |
5006 | /* The attribute is changed. */ | |
40381db7 | 5007 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 5008 | |
5009 | /* Rewrite BGP route information. */ | |
40381db7 DS |
5010 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) |
5011 | bgp_path_info_restore(rn, pi); | |
d62a17ae | 5012 | else |
40381db7 DS |
5013 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
5014 | bgp_attr_unintern(&pi->attr); | |
5015 | pi->attr = attr_new; | |
5016 | pi->uptime = bgp_clock(); | |
65efcfce | 5017 | #if ENABLE_BGP_VNC |
40381db7 DS |
5018 | if (pi->extra) |
5019 | label = decode_label(&pi->extra->label[0]); | |
65efcfce | 5020 | #endif |
137446f9 | 5021 | |
d62a17ae | 5022 | /* Process change. */ |
40381db7 | 5023 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 5024 | bgp_process(bgp, rn, afi, safi); |
ddb5b488 PZ |
5025 | |
5026 | if (SAFI_MPLS_VPN == safi | |
5027 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
40381db7 | 5028 | vpn_leak_to_vrf_update(bgp, pi); |
ddb5b488 | 5029 | } |
65efcfce | 5030 | #if ENABLE_BGP_VNC |
40381db7 DS |
5031 | rfapiProcessUpdate(pi->peer, NULL, p, &bgp_static->prd, |
5032 | pi->attr, afi, safi, pi->type, | |
5033 | pi->sub_type, &label); | |
65efcfce | 5034 | #endif |
d62a17ae | 5035 | bgp_unlock_node(rn); |
5036 | aspath_unintern(&attr.aspath); | |
5037 | return; | |
5038 | } | |
5039 | } | |
137446f9 LB |
5040 | |
5041 | ||
d62a17ae | 5042 | /* Make new BGP info. */ |
5043 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_STATIC, 0, bgp->peer_self, | |
5044 | attr_new, rn); | |
1defdda8 | 5045 | SET_FLAG(new->flags, BGP_PATH_VALID); |
18ee8310 | 5046 | new->extra = bgp_path_info_extra_new(); |
b57ba6d2 MK |
5047 | if (num_labels) { |
5048 | new->extra->label[0] = bgp_static->label; | |
5049 | new->extra->num_labels = num_labels; | |
5050 | } | |
65efcfce | 5051 | #if ENABLE_BGP_VNC |
d62a17ae | 5052 | label = decode_label(&bgp_static->label); |
65efcfce | 5053 | #endif |
137446f9 | 5054 | |
d62a17ae | 5055 | /* Aggregate address increment. */ |
5056 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
137446f9 | 5057 | |
d62a17ae | 5058 | /* Register new BGP information. */ |
18ee8310 | 5059 | bgp_path_info_add(rn, new); |
d62a17ae | 5060 | /* route_node_get lock */ |
5061 | bgp_unlock_node(rn); | |
137446f9 | 5062 | |
d62a17ae | 5063 | /* Process change. */ |
5064 | bgp_process(bgp, rn, afi, safi); | |
137446f9 | 5065 | |
ddb5b488 PZ |
5066 | if (SAFI_MPLS_VPN == safi |
5067 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
5068 | vpn_leak_to_vrf_update(bgp, new); | |
5069 | } | |
65efcfce | 5070 | #if ENABLE_BGP_VNC |
d62a17ae | 5071 | rfapiProcessUpdate(new->peer, NULL, p, &bgp_static->prd, new->attr, afi, |
5072 | safi, new->type, new->sub_type, &label); | |
65efcfce LB |
5073 | #endif |
5074 | ||
d62a17ae | 5075 | /* Unintern original. */ |
5076 | aspath_unintern(&attr.aspath); | |
137446f9 LB |
5077 | } |
5078 | ||
718e3744 | 5079 | /* Configure static BGP network. When user don't run zebra, static |
5080 | route should be installed as valid. */ | |
e2a86ad9 DS |
5081 | static int bgp_static_set(struct vty *vty, const char *negate, |
5082 | const char *ip_str, afi_t afi, safi_t safi, | |
d7c0a89a | 5083 | const char *rmap, int backdoor, uint32_t label_index) |
d62a17ae | 5084 | { |
5085 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5086 | int ret; | |
5087 | struct prefix p; | |
5088 | struct bgp_static *bgp_static; | |
5089 | struct bgp_node *rn; | |
d7c0a89a | 5090 | uint8_t need_update = 0; |
d62a17ae | 5091 | |
5092 | /* Convert IP prefix string to struct prefix. */ | |
5093 | ret = str2prefix(ip_str, &p); | |
5094 | if (!ret) { | |
5095 | vty_out(vty, "%% Malformed prefix\n"); | |
5096 | return CMD_WARNING_CONFIG_FAILED; | |
5097 | } | |
5098 | if (afi == AFI_IP6 && IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) { | |
5099 | vty_out(vty, "%% Malformed prefix (link-local address)\n"); | |
5100 | return CMD_WARNING_CONFIG_FAILED; | |
5101 | } | |
718e3744 | 5102 | |
d62a17ae | 5103 | apply_mask(&p); |
718e3744 | 5104 | |
e2a86ad9 | 5105 | if (negate) { |
718e3744 | 5106 | |
e2a86ad9 DS |
5107 | /* Set BGP static route configuration. */ |
5108 | rn = bgp_node_lookup(bgp->route[afi][safi], &p); | |
d62a17ae | 5109 | |
e2a86ad9 | 5110 | if (!rn) { |
a4d82a8a | 5111 | vty_out(vty, "%% Can't find static route specified\n"); |
d62a17ae | 5112 | return CMD_WARNING_CONFIG_FAILED; |
5113 | } | |
5114 | ||
5a8ba9fc | 5115 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 5116 | |
e2a86ad9 DS |
5117 | if ((label_index != BGP_INVALID_LABEL_INDEX) |
5118 | && (label_index != bgp_static->label_index)) { | |
5119 | vty_out(vty, | |
5120 | "%% label-index doesn't match static route\n"); | |
5121 | return CMD_WARNING_CONFIG_FAILED; | |
d62a17ae | 5122 | } |
d62a17ae | 5123 | |
e2a86ad9 DS |
5124 | if ((rmap && bgp_static->rmap.name) |
5125 | && strcmp(rmap, bgp_static->rmap.name)) { | |
5126 | vty_out(vty, | |
5127 | "%% route-map name doesn't match static route\n"); | |
5128 | return CMD_WARNING_CONFIG_FAILED; | |
d62a17ae | 5129 | } |
718e3744 | 5130 | |
e2a86ad9 DS |
5131 | /* Update BGP RIB. */ |
5132 | if (!bgp_static->backdoor) | |
5133 | bgp_static_withdraw(bgp, &p, afi, safi); | |
718e3744 | 5134 | |
e2a86ad9 DS |
5135 | /* Clear configuration. */ |
5136 | bgp_static_free(bgp_static); | |
5a8ba9fc | 5137 | bgp_node_set_bgp_static_info(rn, NULL); |
e2a86ad9 DS |
5138 | bgp_unlock_node(rn); |
5139 | bgp_unlock_node(rn); | |
5140 | } else { | |
718e3744 | 5141 | |
e2a86ad9 DS |
5142 | /* Set BGP static route configuration. */ |
5143 | rn = bgp_node_get(bgp->route[afi][safi], &p); | |
718e3744 | 5144 | |
5a8ba9fc | 5145 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 5146 | if (bgp_static) { |
e2a86ad9 | 5147 | /* Configuration change. */ |
e2a86ad9 DS |
5148 | /* Label index cannot be changed. */ |
5149 | if (bgp_static->label_index != label_index) { | |
5150 | vty_out(vty, "%% cannot change label-index\n"); | |
5151 | return CMD_WARNING_CONFIG_FAILED; | |
5152 | } | |
d62a17ae | 5153 | |
e2a86ad9 | 5154 | /* Check previous routes are installed into BGP. */ |
a4d82a8a PZ |
5155 | if (bgp_static->valid |
5156 | && bgp_static->backdoor != backdoor) | |
e2a86ad9 | 5157 | need_update = 1; |
718e3744 | 5158 | |
e2a86ad9 | 5159 | bgp_static->backdoor = backdoor; |
718e3744 | 5160 | |
e2a86ad9 | 5161 | if (rmap) { |
0a22ddfb QY |
5162 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5163 | bgp_static->rmap.name); | |
b4897fa5 | 5164 | route_map_counter_decrement( |
5165 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5166 | bgp_static->rmap.name = |
5167 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
5168 | bgp_static->rmap.map = | |
5169 | route_map_lookup_by_name(rmap); | |
b4897fa5 | 5170 | route_map_counter_increment( |
5171 | bgp_static->rmap.map); | |
e2a86ad9 | 5172 | } else { |
0a22ddfb QY |
5173 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5174 | bgp_static->rmap.name); | |
b4897fa5 | 5175 | route_map_counter_decrement( |
5176 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5177 | bgp_static->rmap.name = NULL; |
5178 | bgp_static->rmap.map = NULL; | |
5179 | bgp_static->valid = 0; | |
5180 | } | |
5181 | bgp_unlock_node(rn); | |
5182 | } else { | |
5183 | /* New configuration. */ | |
5184 | bgp_static = bgp_static_new(); | |
5185 | bgp_static->backdoor = backdoor; | |
5186 | bgp_static->valid = 0; | |
5187 | bgp_static->igpmetric = 0; | |
5188 | bgp_static->igpnexthop.s_addr = 0; | |
5189 | bgp_static->label_index = label_index; | |
718e3744 | 5190 | |
e2a86ad9 | 5191 | if (rmap) { |
0a22ddfb QY |
5192 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5193 | bgp_static->rmap.name); | |
b4897fa5 | 5194 | route_map_counter_decrement( |
5195 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5196 | bgp_static->rmap.name = |
5197 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
5198 | bgp_static->rmap.map = | |
5199 | route_map_lookup_by_name(rmap); | |
b4897fa5 | 5200 | route_map_counter_increment( |
5201 | bgp_static->rmap.map); | |
e2a86ad9 | 5202 | } |
5a8ba9fc | 5203 | bgp_node_set_bgp_static_info(rn, bgp_static); |
e2a86ad9 | 5204 | } |
d62a17ae | 5205 | |
e2a86ad9 DS |
5206 | bgp_static->valid = 1; |
5207 | if (need_update) | |
5208 | bgp_static_withdraw(bgp, &p, afi, safi); | |
d62a17ae | 5209 | |
e2a86ad9 DS |
5210 | if (!bgp_static->backdoor) |
5211 | bgp_static_update(bgp, &p, bgp_static, afi, safi); | |
5212 | } | |
d62a17ae | 5213 | |
5214 | return CMD_SUCCESS; | |
5215 | } | |
5216 | ||
5217 | void bgp_static_add(struct bgp *bgp) | |
5218 | { | |
5219 | afi_t afi; | |
5220 | safi_t safi; | |
5221 | struct bgp_node *rn; | |
5222 | struct bgp_node *rm; | |
5223 | struct bgp_table *table; | |
5224 | struct bgp_static *bgp_static; | |
5225 | ||
05c7a1cc QY |
5226 | FOREACH_AFI_SAFI (afi, safi) |
5227 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5228 | rn = bgp_route_next(rn)) { | |
67009e22 | 5229 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5230 | continue; |
ea47320b | 5231 | |
05c7a1cc QY |
5232 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5233 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5234 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5235 | |
5236 | for (rm = bgp_table_top(table); rm; | |
5237 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5238 | bgp_static = |
5a8ba9fc DS |
5239 | bgp_node_get_bgp_static_info( |
5240 | rm); | |
05c7a1cc QY |
5241 | bgp_static_update_safi(bgp, &rm->p, |
5242 | bgp_static, afi, | |
5243 | safi); | |
d62a17ae | 5244 | } |
05c7a1cc | 5245 | } else { |
5a8ba9fc DS |
5246 | bgp_static_update( |
5247 | bgp, &rn->p, | |
5248 | bgp_node_get_bgp_static_info(rn), afi, | |
5249 | safi); | |
ea47320b | 5250 | } |
05c7a1cc | 5251 | } |
6aeb9e78 DS |
5252 | } |
5253 | ||
718e3744 | 5254 | /* Called from bgp_delete(). Delete all static routes from the BGP |
5255 | instance. */ | |
d62a17ae | 5256 | void bgp_static_delete(struct bgp *bgp) |
5257 | { | |
5258 | afi_t afi; | |
5259 | safi_t safi; | |
5260 | struct bgp_node *rn; | |
5261 | struct bgp_node *rm; | |
5262 | struct bgp_table *table; | |
5263 | struct bgp_static *bgp_static; | |
5264 | ||
05c7a1cc QY |
5265 | FOREACH_AFI_SAFI (afi, safi) |
5266 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5267 | rn = bgp_route_next(rn)) { | |
67009e22 | 5268 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5269 | continue; |
ea47320b | 5270 | |
05c7a1cc QY |
5271 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5272 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5273 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5274 | |
5275 | for (rm = bgp_table_top(table); rm; | |
5276 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5277 | bgp_static = |
5a8ba9fc DS |
5278 | bgp_node_get_bgp_static_info( |
5279 | rm); | |
c7d14ba6 PG |
5280 | if (!bgp_static) |
5281 | continue; | |
5282 | ||
05c7a1cc QY |
5283 | bgp_static_withdraw_safi( |
5284 | bgp, &rm->p, AFI_IP, safi, | |
5285 | (struct prefix_rd *)&rn->p); | |
ea47320b | 5286 | bgp_static_free(bgp_static); |
5a8ba9fc | 5287 | bgp_node_set_bgp_static_info(rn, NULL); |
ea47320b | 5288 | bgp_unlock_node(rn); |
d62a17ae | 5289 | } |
05c7a1cc | 5290 | } else { |
5a8ba9fc | 5291 | bgp_static = bgp_node_get_bgp_static_info(rn); |
05c7a1cc QY |
5292 | bgp_static_withdraw(bgp, &rn->p, afi, safi); |
5293 | bgp_static_free(bgp_static); | |
5a8ba9fc | 5294 | bgp_node_set_bgp_static_info(rn, NULL); |
05c7a1cc | 5295 | bgp_unlock_node(rn); |
ea47320b | 5296 | } |
05c7a1cc | 5297 | } |
d62a17ae | 5298 | } |
5299 | ||
5300 | void bgp_static_redo_import_check(struct bgp *bgp) | |
5301 | { | |
5302 | afi_t afi; | |
5303 | safi_t safi; | |
5304 | struct bgp_node *rn; | |
5305 | struct bgp_node *rm; | |
5306 | struct bgp_table *table; | |
5307 | struct bgp_static *bgp_static; | |
5308 | ||
5309 | /* Use this flag to force reprocessing of the route */ | |
5310 | bgp_flag_set(bgp, BGP_FLAG_FORCE_STATIC_PROCESS); | |
05c7a1cc QY |
5311 | FOREACH_AFI_SAFI (afi, safi) { |
5312 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5313 | rn = bgp_route_next(rn)) { | |
67009e22 | 5314 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5315 | continue; |
ea47320b | 5316 | |
05c7a1cc QY |
5317 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5318 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5319 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5320 | |
5321 | for (rm = bgp_table_top(table); rm; | |
5322 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5323 | bgp_static = |
5a8ba9fc DS |
5324 | bgp_node_get_bgp_static_info( |
5325 | rm); | |
05c7a1cc QY |
5326 | bgp_static_update_safi(bgp, &rm->p, |
5327 | bgp_static, afi, | |
5328 | safi); | |
d62a17ae | 5329 | } |
05c7a1cc | 5330 | } else { |
5a8ba9fc | 5331 | bgp_static = bgp_node_get_bgp_static_info(rn); |
05c7a1cc QY |
5332 | bgp_static_update(bgp, &rn->p, bgp_static, afi, |
5333 | safi); | |
ea47320b | 5334 | } |
05c7a1cc QY |
5335 | } |
5336 | } | |
d62a17ae | 5337 | bgp_flag_unset(bgp, BGP_FLAG_FORCE_STATIC_PROCESS); |
5338 | } | |
5339 | ||
5340 | static void bgp_purge_af_static_redist_routes(struct bgp *bgp, afi_t afi, | |
5341 | safi_t safi) | |
5342 | { | |
5343 | struct bgp_table *table; | |
5344 | struct bgp_node *rn; | |
40381db7 | 5345 | struct bgp_path_info *pi; |
d62a17ae | 5346 | |
dfb6fd1d NT |
5347 | /* Do not install the aggregate route if BGP is in the |
5348 | * process of termination. | |
5349 | */ | |
5350 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS) || | |
5351 | (bgp->peer_self == NULL)) | |
5352 | return; | |
5353 | ||
d62a17ae | 5354 | table = bgp->rib[afi][safi]; |
5355 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
6f94b685 | 5356 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 DS |
5357 | if (pi->peer == bgp->peer_self |
5358 | && ((pi->type == ZEBRA_ROUTE_BGP | |
5359 | && pi->sub_type == BGP_ROUTE_STATIC) | |
5360 | || (pi->type != ZEBRA_ROUTE_BGP | |
5361 | && pi->sub_type | |
d62a17ae | 5362 | == BGP_ROUTE_REDISTRIBUTE))) { |
40381db7 | 5363 | bgp_aggregate_decrement(bgp, &rn->p, pi, afi, |
d62a17ae | 5364 | safi); |
40381db7 DS |
5365 | bgp_unlink_nexthop(pi); |
5366 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 5367 | bgp_process(bgp, rn, afi, safi); |
5368 | } | |
5369 | } | |
5370 | } | |
ad4cbda1 | 5371 | } |
5372 | ||
5373 | /* | |
5374 | * Purge all networks and redistributed routes from routing table. | |
5375 | * Invoked upon the instance going down. | |
5376 | */ | |
d62a17ae | 5377 | void bgp_purge_static_redist_routes(struct bgp *bgp) |
ad4cbda1 | 5378 | { |
d62a17ae | 5379 | afi_t afi; |
5380 | safi_t safi; | |
ad4cbda1 | 5381 | |
05c7a1cc QY |
5382 | FOREACH_AFI_SAFI (afi, safi) |
5383 | bgp_purge_af_static_redist_routes(bgp, afi, safi); | |
ad4cbda1 | 5384 | } |
5385 | ||
137446f9 LB |
5386 | /* |
5387 | * gpz 110624 | |
5388 | * Currently this is used to set static routes for VPN and ENCAP. | |
5389 | * I think it can probably be factored with bgp_static_set. | |
5390 | */ | |
d62a17ae | 5391 | int bgp_static_set_safi(afi_t afi, safi_t safi, struct vty *vty, |
5392 | const char *ip_str, const char *rd_str, | |
5393 | const char *label_str, const char *rmap_str, | |
5394 | int evpn_type, const char *esi, const char *gwip, | |
5395 | const char *ethtag, const char *routermac) | |
5396 | { | |
5397 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5398 | int ret; | |
5399 | struct prefix p; | |
5400 | struct prefix_rd prd; | |
5401 | struct bgp_node *prn; | |
5402 | struct bgp_node *rn; | |
5403 | struct bgp_table *table; | |
5404 | struct bgp_static *bgp_static; | |
5405 | mpls_label_t label = MPLS_INVALID_LABEL; | |
5406 | struct prefix gw_ip; | |
5407 | ||
5408 | /* validate ip prefix */ | |
5409 | ret = str2prefix(ip_str, &p); | |
5410 | if (!ret) { | |
5411 | vty_out(vty, "%% Malformed prefix\n"); | |
5412 | return CMD_WARNING_CONFIG_FAILED; | |
5413 | } | |
5414 | apply_mask(&p); | |
5415 | if ((afi == AFI_L2VPN) | |
5416 | && (bgp_build_evpn_prefix(evpn_type, | |
5417 | ethtag != NULL ? atol(ethtag) : 0, &p))) { | |
5418 | vty_out(vty, "%% L2VPN prefix could not be forged\n"); | |
5419 | return CMD_WARNING_CONFIG_FAILED; | |
5420 | } | |
718e3744 | 5421 | |
d62a17ae | 5422 | ret = str2prefix_rd(rd_str, &prd); |
5423 | if (!ret) { | |
5424 | vty_out(vty, "%% Malformed rd\n"); | |
5425 | return CMD_WARNING_CONFIG_FAILED; | |
5426 | } | |
718e3744 | 5427 | |
d62a17ae | 5428 | if (label_str) { |
5429 | unsigned long label_val; | |
5430 | label_val = strtoul(label_str, NULL, 10); | |
5431 | encode_label(label_val, &label); | |
5432 | } | |
9bedbb1e | 5433 | |
d62a17ae | 5434 | if (safi == SAFI_EVPN) { |
5435 | if (esi && str2esi(esi, NULL) == 0) { | |
5436 | vty_out(vty, "%% Malformed ESI\n"); | |
5437 | return CMD_WARNING_CONFIG_FAILED; | |
5438 | } | |
5439 | if (routermac && prefix_str2mac(routermac, NULL) == 0) { | |
5440 | vty_out(vty, "%% Malformed Router MAC\n"); | |
5441 | return CMD_WARNING_CONFIG_FAILED; | |
5442 | } | |
5443 | if (gwip) { | |
5444 | memset(&gw_ip, 0, sizeof(struct prefix)); | |
5445 | ret = str2prefix(gwip, &gw_ip); | |
5446 | if (!ret) { | |
5447 | vty_out(vty, "%% Malformed GatewayIp\n"); | |
5448 | return CMD_WARNING_CONFIG_FAILED; | |
5449 | } | |
5450 | if ((gw_ip.family == AF_INET | |
3714a385 | 5451 | && is_evpn_prefix_ipaddr_v6( |
d62a17ae | 5452 | (struct prefix_evpn *)&p)) |
5453 | || (gw_ip.family == AF_INET6 | |
3714a385 | 5454 | && is_evpn_prefix_ipaddr_v4( |
d62a17ae | 5455 | (struct prefix_evpn *)&p))) { |
5456 | vty_out(vty, | |
5457 | "%% GatewayIp family differs with IP prefix\n"); | |
5458 | return CMD_WARNING_CONFIG_FAILED; | |
5459 | } | |
5460 | } | |
5461 | } | |
5462 | prn = bgp_node_get(bgp->route[afi][safi], (struct prefix *)&prd); | |
67009e22 DS |
5463 | if (!bgp_node_has_bgp_path_info_data(prn)) |
5464 | bgp_node_set_bgp_table_info(prn, | |
5465 | bgp_table_init(bgp, afi, safi)); | |
67009e22 | 5466 | table = bgp_node_get_bgp_table_info(prn); |
d62a17ae | 5467 | |
5468 | rn = bgp_node_get(table, &p); | |
5469 | ||
67009e22 | 5470 | if (bgp_node_has_bgp_path_info_data(rn)) { |
d62a17ae | 5471 | vty_out(vty, "%% Same network configuration exists\n"); |
5472 | bgp_unlock_node(rn); | |
5473 | } else { | |
5474 | /* New configuration. */ | |
5475 | bgp_static = bgp_static_new(); | |
5476 | bgp_static->backdoor = 0; | |
5477 | bgp_static->valid = 0; | |
5478 | bgp_static->igpmetric = 0; | |
5479 | bgp_static->igpnexthop.s_addr = 0; | |
5480 | bgp_static->label = label; | |
5481 | bgp_static->prd = prd; | |
5482 | ||
5483 | if (rmap_str) { | |
0a22ddfb | 5484 | XFREE(MTYPE_ROUTE_MAP_NAME, bgp_static->rmap.name); |
b4897fa5 | 5485 | route_map_counter_decrement(bgp_static->rmap.map); |
d62a17ae | 5486 | bgp_static->rmap.name = |
5487 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_str); | |
5488 | bgp_static->rmap.map = | |
5489 | route_map_lookup_by_name(rmap_str); | |
b4897fa5 | 5490 | route_map_counter_increment(bgp_static->rmap.map); |
d62a17ae | 5491 | } |
718e3744 | 5492 | |
d62a17ae | 5493 | if (safi == SAFI_EVPN) { |
5494 | if (esi) { | |
5495 | bgp_static->eth_s_id = | |
5496 | XCALLOC(MTYPE_ATTR, | |
5497 | sizeof(struct eth_segment_id)); | |
5498 | str2esi(esi, bgp_static->eth_s_id); | |
5499 | } | |
5500 | if (routermac) { | |
5501 | bgp_static->router_mac = | |
28328ea9 | 5502 | XCALLOC(MTYPE_ATTR, ETH_ALEN + 1); |
56cb79b6 A |
5503 | (void)prefix_str2mac(routermac, |
5504 | bgp_static->router_mac); | |
d62a17ae | 5505 | } |
5506 | if (gwip) | |
5507 | prefix_copy(&bgp_static->gatewayIp, &gw_ip); | |
5508 | } | |
5a8ba9fc | 5509 | bgp_node_set_bgp_static_info(rn, bgp_static); |
718e3744 | 5510 | |
d62a17ae | 5511 | bgp_static->valid = 1; |
5512 | bgp_static_update_safi(bgp, &p, bgp_static, afi, safi); | |
5513 | } | |
718e3744 | 5514 | |
d62a17ae | 5515 | return CMD_SUCCESS; |
718e3744 | 5516 | } |
5517 | ||
5518 | /* Configure static BGP network. */ | |
d62a17ae | 5519 | int bgp_static_unset_safi(afi_t afi, safi_t safi, struct vty *vty, |
5520 | const char *ip_str, const char *rd_str, | |
5521 | const char *label_str, int evpn_type, const char *esi, | |
5522 | const char *gwip, const char *ethtag) | |
5523 | { | |
5524 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5525 | int ret; | |
5526 | struct prefix p; | |
5527 | struct prefix_rd prd; | |
5528 | struct bgp_node *prn; | |
5529 | struct bgp_node *rn; | |
5530 | struct bgp_table *table; | |
5531 | struct bgp_static *bgp_static; | |
5532 | mpls_label_t label = MPLS_INVALID_LABEL; | |
5533 | ||
5534 | /* Convert IP prefix string to struct prefix. */ | |
5535 | ret = str2prefix(ip_str, &p); | |
5536 | if (!ret) { | |
5537 | vty_out(vty, "%% Malformed prefix\n"); | |
5538 | return CMD_WARNING_CONFIG_FAILED; | |
5539 | } | |
5540 | apply_mask(&p); | |
5541 | if ((afi == AFI_L2VPN) | |
5542 | && (bgp_build_evpn_prefix(evpn_type, | |
5543 | ethtag != NULL ? atol(ethtag) : 0, &p))) { | |
5544 | vty_out(vty, "%% L2VPN prefix could not be forged\n"); | |
5545 | return CMD_WARNING_CONFIG_FAILED; | |
5546 | } | |
5547 | ret = str2prefix_rd(rd_str, &prd); | |
5548 | if (!ret) { | |
5549 | vty_out(vty, "%% Malformed rd\n"); | |
5550 | return CMD_WARNING_CONFIG_FAILED; | |
5551 | } | |
718e3744 | 5552 | |
d62a17ae | 5553 | if (label_str) { |
5554 | unsigned long label_val; | |
5555 | label_val = strtoul(label_str, NULL, 10); | |
5556 | encode_label(label_val, &label); | |
5557 | } | |
718e3744 | 5558 | |
d62a17ae | 5559 | prn = bgp_node_get(bgp->route[afi][safi], (struct prefix *)&prd); |
67009e22 DS |
5560 | if (!bgp_node_has_bgp_path_info_data(prn)) |
5561 | bgp_node_set_bgp_table_info(prn, | |
5562 | bgp_table_init(bgp, afi, safi)); | |
d62a17ae | 5563 | else |
5564 | bgp_unlock_node(prn); | |
67009e22 | 5565 | table = bgp_node_get_bgp_table_info(prn); |
718e3744 | 5566 | |
d62a17ae | 5567 | rn = bgp_node_lookup(table, &p); |
6b0655a2 | 5568 | |
d62a17ae | 5569 | if (rn) { |
5570 | bgp_static_withdraw_safi(bgp, &p, afi, safi, &prd); | |
73ac8160 | 5571 | |
5a8ba9fc | 5572 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 5573 | bgp_static_free(bgp_static); |
5a8ba9fc | 5574 | bgp_node_set_bgp_static_info(rn, NULL); |
d62a17ae | 5575 | bgp_unlock_node(rn); |
5576 | bgp_unlock_node(rn); | |
5577 | } else | |
5578 | vty_out(vty, "%% Can't find the route\n"); | |
5579 | ||
5580 | return CMD_SUCCESS; | |
5581 | } | |
5582 | ||
5583 | static int bgp_table_map_set(struct vty *vty, afi_t afi, safi_t safi, | |
5584 | const char *rmap_name) | |
5585 | { | |
5586 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5587 | struct bgp_rmap *rmap; | |
5588 | ||
5589 | rmap = &bgp->table_map[afi][safi]; | |
5590 | if (rmap_name) { | |
0a22ddfb | 5591 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5592 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5593 | rmap->name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_name); |
5594 | rmap->map = route_map_lookup_by_name(rmap_name); | |
b4897fa5 | 5595 | route_map_counter_increment(rmap->map); |
d62a17ae | 5596 | } else { |
0a22ddfb | 5597 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5598 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5599 | rmap->name = NULL; |
5600 | rmap->map = NULL; | |
5601 | } | |
73ac8160 | 5602 | |
d62a17ae | 5603 | if (bgp_fibupd_safi(safi)) |
5604 | bgp_zebra_announce_table(bgp, afi, safi); | |
73ac8160 | 5605 | |
d62a17ae | 5606 | return CMD_SUCCESS; |
73ac8160 DS |
5607 | } |
5608 | ||
d62a17ae | 5609 | static int bgp_table_map_unset(struct vty *vty, afi_t afi, safi_t safi, |
5610 | const char *rmap_name) | |
73ac8160 | 5611 | { |
d62a17ae | 5612 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
5613 | struct bgp_rmap *rmap; | |
73ac8160 | 5614 | |
d62a17ae | 5615 | rmap = &bgp->table_map[afi][safi]; |
0a22ddfb | 5616 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5617 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5618 | rmap->name = NULL; |
5619 | rmap->map = NULL; | |
73ac8160 | 5620 | |
d62a17ae | 5621 | if (bgp_fibupd_safi(safi)) |
5622 | bgp_zebra_announce_table(bgp, afi, safi); | |
73ac8160 | 5623 | |
d62a17ae | 5624 | return CMD_SUCCESS; |
73ac8160 DS |
5625 | } |
5626 | ||
2b791107 | 5627 | void bgp_config_write_table_map(struct vty *vty, struct bgp *bgp, afi_t afi, |
60466a63 | 5628 | safi_t safi) |
73ac8160 | 5629 | { |
d62a17ae | 5630 | if (bgp->table_map[afi][safi].name) { |
d62a17ae | 5631 | vty_out(vty, " table-map %s\n", |
5632 | bgp->table_map[afi][safi].name); | |
5633 | } | |
73ac8160 DS |
5634 | } |
5635 | ||
73ac8160 DS |
5636 | DEFUN (bgp_table_map, |
5637 | bgp_table_map_cmd, | |
5638 | "table-map WORD", | |
5639 | "BGP table to RIB route download filter\n" | |
5640 | "Name of the route map\n") | |
5641 | { | |
d62a17ae | 5642 | int idx_word = 1; |
5643 | return bgp_table_map_set(vty, bgp_node_afi(vty), bgp_node_safi(vty), | |
5644 | argv[idx_word]->arg); | |
73ac8160 DS |
5645 | } |
5646 | DEFUN (no_bgp_table_map, | |
5647 | no_bgp_table_map_cmd, | |
5648 | "no table-map WORD", | |
3a2d747c | 5649 | NO_STR |
73ac8160 DS |
5650 | "BGP table to RIB route download filter\n" |
5651 | "Name of the route map\n") | |
5652 | { | |
d62a17ae | 5653 | int idx_word = 2; |
5654 | return bgp_table_map_unset(vty, bgp_node_afi(vty), bgp_node_safi(vty), | |
5655 | argv[idx_word]->arg); | |
73ac8160 DS |
5656 | } |
5657 | ||
e2a86ad9 DS |
5658 | DEFPY(bgp_network, |
5659 | bgp_network_cmd, | |
5660 | "[no] network \ | |
5661 | <A.B.C.D/M$prefix|A.B.C.D$address [mask A.B.C.D$netmask]> \ | |
5662 | [{route-map WORD$map_name|label-index (0-1048560)$label_index| \ | |
5663 | backdoor$backdoor}]", | |
5664 | NO_STR | |
5665 | "Specify a network to announce via BGP\n" | |
5666 | "IPv4 prefix\n" | |
5667 | "Network number\n" | |
5668 | "Network mask\n" | |
5669 | "Network mask\n" | |
5670 | "Route-map to modify the attributes\n" | |
5671 | "Name of the route map\n" | |
5672 | "Label index to associate with the prefix\n" | |
5673 | "Label index value\n" | |
5674 | "Specify a BGP backdoor route\n") | |
5675 | { | |
5676 | char addr_prefix_str[BUFSIZ]; | |
5677 | ||
5678 | if (address_str) { | |
5679 | int ret; | |
718e3744 | 5680 | |
e2a86ad9 DS |
5681 | ret = netmask_str2prefix_str(address_str, netmask_str, |
5682 | addr_prefix_str); | |
5683 | if (!ret) { | |
5684 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
5685 | return CMD_WARNING_CONFIG_FAILED; | |
5686 | } | |
d62a17ae | 5687 | } |
718e3744 | 5688 | |
a4d82a8a PZ |
5689 | return bgp_static_set( |
5690 | vty, no, address_str ? addr_prefix_str : prefix_str, AFI_IP, | |
5691 | bgp_node_safi(vty), map_name, backdoor ? 1 : 0, | |
5692 | label_index ? (uint32_t)label_index : BGP_INVALID_LABEL_INDEX); | |
718e3744 | 5693 | } |
5694 | ||
e2a86ad9 DS |
5695 | DEFPY(ipv6_bgp_network, |
5696 | ipv6_bgp_network_cmd, | |
5697 | "[no] network X:X::X:X/M$prefix \ | |
5698 | [{route-map WORD$map_name|label-index (0-1048560)$label_index}]", | |
5699 | NO_STR | |
5700 | "Specify a network to announce via BGP\n" | |
5701 | "IPv6 prefix\n" | |
5702 | "Route-map to modify the attributes\n" | |
5703 | "Name of the route map\n" | |
5704 | "Label index to associate with the prefix\n" | |
5705 | "Label index value\n") | |
718e3744 | 5706 | { |
a4d82a8a PZ |
5707 | return bgp_static_set( |
5708 | vty, no, prefix_str, AFI_IP6, bgp_node_safi(vty), map_name, 0, | |
5709 | label_index ? (uint32_t)label_index : BGP_INVALID_LABEL_INDEX); | |
1b6d5c7e VV |
5710 | } |
5711 | ||
d62a17ae | 5712 | static struct bgp_aggregate *bgp_aggregate_new(void) |
718e3744 | 5713 | { |
d62a17ae | 5714 | return XCALLOC(MTYPE_BGP_AGGREGATE, sizeof(struct bgp_aggregate)); |
718e3744 | 5715 | } |
5716 | ||
d62a17ae | 5717 | static void bgp_aggregate_free(struct bgp_aggregate *aggregate) |
718e3744 | 5718 | { |
20894f50 DA |
5719 | XFREE(MTYPE_ROUTE_MAP_NAME, aggregate->rmap.name); |
5720 | route_map_counter_decrement(aggregate->rmap.map); | |
d62a17ae | 5721 | XFREE(MTYPE_BGP_AGGREGATE, aggregate); |
5722 | } | |
718e3744 | 5723 | |
40381db7 | 5724 | static int bgp_aggregate_info_same(struct bgp_path_info *pi, uint8_t origin, |
29f7d023 | 5725 | struct aspath *aspath, |
3da2cc32 | 5726 | struct community *comm, |
dd18c5a9 DS |
5727 | struct ecommunity *ecomm, |
5728 | struct lcommunity *lcomm) | |
eaaf8adb DS |
5729 | { |
5730 | static struct aspath *ae = NULL; | |
5731 | ||
5732 | if (!ae) | |
5733 | ae = aspath_empty(); | |
5734 | ||
40381db7 | 5735 | if (!pi) |
eaaf8adb DS |
5736 | return 0; |
5737 | ||
40381db7 | 5738 | if (origin != pi->attr->origin) |
eaaf8adb DS |
5739 | return 0; |
5740 | ||
40381db7 | 5741 | if (!aspath_cmp(pi->attr->aspath, (aspath) ? aspath : ae)) |
29f7d023 DS |
5742 | return 0; |
5743 | ||
40381db7 | 5744 | if (!community_cmp(pi->attr->community, comm)) |
eaaf8adb DS |
5745 | return 0; |
5746 | ||
3da2cc32 | 5747 | if (!ecommunity_cmp(pi->attr->ecommunity, ecomm)) |
eaaf8adb DS |
5748 | return 0; |
5749 | ||
dd18c5a9 DS |
5750 | if (!lcommunity_cmp(pi->attr->lcommunity, lcomm)) |
5751 | return 0; | |
5752 | ||
40381db7 | 5753 | if (!CHECK_FLAG(pi->flags, BGP_PATH_VALID)) |
7ce8a8e0 DS |
5754 | return 0; |
5755 | ||
eaaf8adb DS |
5756 | return 1; |
5757 | } | |
5758 | ||
c701010e DS |
5759 | static void bgp_aggregate_install(struct bgp *bgp, afi_t afi, safi_t safi, |
5760 | struct prefix *p, uint8_t origin, | |
5761 | struct aspath *aspath, | |
5762 | struct community *community, | |
3da2cc32 | 5763 | struct ecommunity *ecommunity, |
dd18c5a9 | 5764 | struct lcommunity *lcommunity, |
c701010e DS |
5765 | uint8_t atomic_aggregate, |
5766 | struct bgp_aggregate *aggregate) | |
5767 | { | |
5768 | struct bgp_node *rn; | |
5769 | struct bgp_table *table; | |
6f94b685 | 5770 | struct bgp_path_info *pi, *orig, *new; |
20894f50 | 5771 | struct attr *attr; |
c701010e DS |
5772 | |
5773 | table = bgp->rib[afi][safi]; | |
5774 | ||
5775 | rn = bgp_node_get(table, p); | |
eaaf8adb | 5776 | |
6f94b685 | 5777 | for (orig = pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
5778 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
5779 | && pi->sub_type == BGP_ROUTE_AGGREGATE) | |
eaaf8adb DS |
5780 | break; |
5781 | ||
c701010e | 5782 | if (aggregate->count > 0) { |
eaaf8adb DS |
5783 | /* |
5784 | * If the aggregate information has not changed | |
5785 | * no need to re-install it again. | |
5786 | */ | |
6f94b685 | 5787 | if (bgp_aggregate_info_same(orig, origin, aspath, community, |
dd18c5a9 | 5788 | ecommunity, lcommunity)) { |
eaaf8adb DS |
5789 | bgp_unlock_node(rn); |
5790 | ||
5791 | if (aspath) | |
5792 | aspath_free(aspath); | |
5793 | if (community) | |
3c1f53de | 5794 | community_free(&community); |
3da2cc32 DS |
5795 | if (ecommunity) |
5796 | ecommunity_free(&ecommunity); | |
dd18c5a9 DS |
5797 | if (lcommunity) |
5798 | lcommunity_free(&lcommunity); | |
eaaf8adb DS |
5799 | |
5800 | return; | |
5801 | } | |
5802 | ||
5803 | /* | |
5804 | * Mark the old as unusable | |
5805 | */ | |
40381db7 DS |
5806 | if (pi) |
5807 | bgp_path_info_delete(rn, pi); | |
eaaf8adb | 5808 | |
20894f50 DA |
5809 | attr = bgp_attr_aggregate_intern( |
5810 | bgp, origin, aspath, community, ecommunity, lcommunity, | |
5811 | aggregate, atomic_aggregate, p); | |
5812 | ||
5813 | if (!attr) { | |
5814 | bgp_aggregate_delete(bgp, p, afi, safi, aggregate); | |
5815 | return; | |
5816 | } | |
5817 | ||
3da2cc32 | 5818 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_AGGREGATE, 0, |
20894f50 DA |
5819 | bgp->peer_self, attr, rn); |
5820 | ||
1defdda8 | 5821 | SET_FLAG(new->flags, BGP_PATH_VALID); |
c701010e | 5822 | |
18ee8310 | 5823 | bgp_path_info_add(rn, new); |
c701010e DS |
5824 | bgp_process(bgp, rn, afi, safi); |
5825 | } else { | |
6f94b685 | 5826 | for (pi = orig; pi; pi = pi->next) |
40381db7 DS |
5827 | if (pi->peer == bgp->peer_self |
5828 | && pi->type == ZEBRA_ROUTE_BGP | |
5829 | && pi->sub_type == BGP_ROUTE_AGGREGATE) | |
c701010e DS |
5830 | break; |
5831 | ||
5832 | /* Withdraw static BGP route from routing table. */ | |
40381db7 DS |
5833 | if (pi) { |
5834 | bgp_path_info_delete(rn, pi); | |
c701010e DS |
5835 | bgp_process(bgp, rn, afi, safi); |
5836 | } | |
5837 | } | |
5838 | ||
5839 | bgp_unlock_node(rn); | |
5840 | } | |
5841 | ||
b5d58c32 | 5842 | /* Update an aggregate as routes are added/removed from the BGP table */ |
20894f50 | 5843 | void bgp_aggregate_route(struct bgp *bgp, struct prefix *p, |
fc968841 | 5844 | afi_t afi, safi_t safi, |
d62a17ae | 5845 | struct bgp_aggregate *aggregate) |
5846 | { | |
5847 | struct bgp_table *table; | |
5848 | struct bgp_node *top; | |
5849 | struct bgp_node *rn; | |
d7c0a89a | 5850 | uint8_t origin; |
d62a17ae | 5851 | struct aspath *aspath = NULL; |
d62a17ae | 5852 | struct community *community = NULL; |
3da2cc32 | 5853 | struct ecommunity *ecommunity = NULL; |
dd18c5a9 | 5854 | struct lcommunity *lcommunity = NULL; |
40381db7 | 5855 | struct bgp_path_info *pi; |
d62a17ae | 5856 | unsigned long match = 0; |
d7c0a89a | 5857 | uint8_t atomic_aggregate = 0; |
d62a17ae | 5858 | |
9f822fa2 S |
5859 | /* If the bgp instance is being deleted or self peer is deleted |
5860 | * then do not create aggregate route | |
5861 | */ | |
5862 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS) || | |
5863 | (bgp->peer_self == NULL)) | |
5864 | return; | |
5865 | ||
d62a17ae | 5866 | /* ORIGIN attribute: If at least one route among routes that are |
5867 | aggregated has ORIGIN with the value INCOMPLETE, then the | |
5868 | aggregated route must have the ORIGIN attribute with the value | |
5869 | INCOMPLETE. Otherwise, if at least one route among routes that | |
5870 | are aggregated has ORIGIN with the value EGP, then the aggregated | |
5871 | route must have the origin attribute with the value EGP. In all | |
5872 | other case the value of the ORIGIN attribute of the aggregated | |
5873 | route is INTERNAL. */ | |
5874 | origin = BGP_ORIGIN_IGP; | |
718e3744 | 5875 | |
d62a17ae | 5876 | table = bgp->rib[afi][safi]; |
718e3744 | 5877 | |
d62a17ae | 5878 | top = bgp_node_get(table, p); |
5879 | for (rn = bgp_node_get(table, p); rn; | |
c2ff8b3e DS |
5880 | rn = bgp_route_next_until(rn, top)) { |
5881 | if (rn->p.prefixlen <= p->prefixlen) | |
5882 | continue; | |
d62a17ae | 5883 | |
c2ff8b3e | 5884 | match = 0; |
d62a17ae | 5885 | |
6f94b685 | 5886 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 5887 | if (BGP_PATH_HOLDDOWN(pi)) |
c2ff8b3e | 5888 | continue; |
718e3744 | 5889 | |
40381db7 | 5890 | if (pi->attr->flag |
c2ff8b3e DS |
5891 | & ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE)) |
5892 | atomic_aggregate = 1; | |
d62a17ae | 5893 | |
40381db7 | 5894 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) |
c2ff8b3e | 5895 | continue; |
d62a17ae | 5896 | |
f273fef1 DS |
5897 | /* |
5898 | * summary-only aggregate route suppress | |
5899 | * aggregated route announcements. | |
5900 | */ | |
c2ff8b3e | 5901 | if (aggregate->summary_only) { |
40381db7 DS |
5902 | (bgp_path_info_extra_get(pi))->suppress++; |
5903 | bgp_path_info_set_flag(rn, pi, | |
18ee8310 | 5904 | BGP_PATH_ATTR_CHANGED); |
c2ff8b3e | 5905 | match++; |
d62a17ae | 5906 | } |
c2ff8b3e DS |
5907 | |
5908 | aggregate->count++; | |
5909 | ||
f273fef1 DS |
5910 | /* |
5911 | * If at least one route among routes that are | |
5912 | * aggregated has ORIGIN with the value INCOMPLETE, | |
5913 | * then the aggregated route MUST have the ORIGIN | |
5914 | * attribute with the value INCOMPLETE. Otherwise, if | |
5915 | * at least one route among routes that are aggregated | |
5916 | * has ORIGIN with the value EGP, then the aggregated | |
5917 | * route MUST have the ORIGIN attribute with the value | |
5918 | * EGP. | |
5919 | */ | |
fc968841 NT |
5920 | switch (pi->attr->origin) { |
5921 | case BGP_ORIGIN_INCOMPLETE: | |
5922 | aggregate->incomplete_origin_count++; | |
5923 | break; | |
5924 | case BGP_ORIGIN_EGP: | |
5925 | aggregate->egp_origin_count++; | |
5926 | break; | |
5927 | default: | |
5928 | /*Do nothing. | |
5929 | */ | |
5930 | break; | |
5931 | } | |
c2ff8b3e DS |
5932 | |
5933 | if (!aggregate->as_set) | |
5934 | continue; | |
5935 | ||
f273fef1 DS |
5936 | /* |
5937 | * as-set aggregate route generate origin, as path, | |
5938 | * and community aggregation. | |
5939 | */ | |
fc968841 NT |
5940 | /* Compute aggregate route's as-path. |
5941 | */ | |
ef51a7d8 | 5942 | bgp_compute_aggregate_aspath_hash(aggregate, |
5943 | pi->attr->aspath); | |
c2ff8b3e | 5944 | |
fc968841 NT |
5945 | /* Compute aggregate route's community. |
5946 | */ | |
5947 | if (pi->attr->community) | |
21fec674 | 5948 | bgp_compute_aggregate_community_hash( |
fc968841 NT |
5949 | aggregate, |
5950 | pi->attr->community); | |
dd18c5a9 | 5951 | |
fc968841 NT |
5952 | /* Compute aggregate route's extended community. |
5953 | */ | |
5954 | if (pi->attr->ecommunity) | |
4edd83f9 | 5955 | bgp_compute_aggregate_ecommunity_hash( |
fc968841 NT |
5956 | aggregate, |
5957 | pi->attr->ecommunity); | |
5958 | ||
5959 | /* Compute aggregate route's large community. | |
5960 | */ | |
5961 | if (pi->attr->lcommunity) | |
f1eb1f05 | 5962 | bgp_compute_aggregate_lcommunity_hash( |
fc968841 NT |
5963 | aggregate, |
5964 | pi->attr->lcommunity); | |
d62a17ae | 5965 | } |
c2ff8b3e DS |
5966 | if (match) |
5967 | bgp_process(bgp, rn, afi, safi); | |
5968 | } | |
21fec674 | 5969 | if (aggregate->as_set) { |
ef51a7d8 | 5970 | bgp_compute_aggregate_aspath_val(aggregate); |
21fec674 | 5971 | bgp_compute_aggregate_community_val(aggregate); |
4edd83f9 | 5972 | bgp_compute_aggregate_ecommunity_val(aggregate); |
f1eb1f05 | 5973 | bgp_compute_aggregate_lcommunity_val(aggregate); |
21fec674 | 5974 | } |
5975 | ||
f1eb1f05 | 5976 | |
d62a17ae | 5977 | bgp_unlock_node(top); |
718e3744 | 5978 | |
718e3744 | 5979 | |
fc968841 NT |
5980 | if (aggregate->incomplete_origin_count > 0) |
5981 | origin = BGP_ORIGIN_INCOMPLETE; | |
5982 | else if (aggregate->egp_origin_count > 0) | |
5983 | origin = BGP_ORIGIN_EGP; | |
d62a17ae | 5984 | |
fc968841 NT |
5985 | if (aggregate->as_set) { |
5986 | if (aggregate->aspath) | |
5987 | /* Retrieve aggregate route's as-path. | |
5988 | */ | |
5989 | aspath = aspath_dup(aggregate->aspath); | |
d62a17ae | 5990 | |
fc968841 NT |
5991 | if (aggregate->community) |
5992 | /* Retrieve aggregate route's community. | |
5993 | */ | |
5994 | community = community_dup(aggregate->community); | |
3da2cc32 | 5995 | |
fc968841 NT |
5996 | if (aggregate->ecommunity) |
5997 | /* Retrieve aggregate route's ecommunity. | |
5998 | */ | |
5999 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
dd18c5a9 | 6000 | |
fc968841 NT |
6001 | if (aggregate->lcommunity) |
6002 | /* Retrieve aggregate route's lcommunity. | |
6003 | */ | |
6004 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
718e3744 | 6005 | } |
718e3744 | 6006 | |
c701010e | 6007 | bgp_aggregate_install(bgp, afi, safi, p, origin, aspath, community, |
dd18c5a9 DS |
6008 | ecommunity, lcommunity, atomic_aggregate, |
6009 | aggregate); | |
718e3744 | 6010 | } |
6011 | ||
20894f50 | 6012 | void bgp_aggregate_delete(struct bgp *bgp, struct prefix *p, afi_t afi, |
3b7db173 DS |
6013 | safi_t safi, struct bgp_aggregate *aggregate) |
6014 | { | |
6015 | struct bgp_table *table; | |
6016 | struct bgp_node *top; | |
6017 | struct bgp_node *rn; | |
40381db7 | 6018 | struct bgp_path_info *pi; |
3b7db173 DS |
6019 | unsigned long match; |
6020 | ||
6021 | table = bgp->rib[afi][safi]; | |
6022 | ||
6023 | /* If routes exists below this node, generate aggregate routes. */ | |
6024 | top = bgp_node_get(table, p); | |
6025 | for (rn = bgp_node_get(table, p); rn; | |
6026 | rn = bgp_route_next_until(rn, top)) { | |
6027 | if (rn->p.prefixlen <= p->prefixlen) | |
6028 | continue; | |
6029 | match = 0; | |
6030 | ||
6f94b685 | 6031 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 6032 | if (BGP_PATH_HOLDDOWN(pi)) |
3b7db173 DS |
6033 | continue; |
6034 | ||
40381db7 | 6035 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) |
3b7db173 DS |
6036 | continue; |
6037 | ||
40381db7 DS |
6038 | if (aggregate->summary_only && pi->extra) { |
6039 | pi->extra->suppress--; | |
3b7db173 | 6040 | |
40381db7 | 6041 | if (pi->extra->suppress == 0) { |
18ee8310 | 6042 | bgp_path_info_set_flag( |
40381db7 | 6043 | rn, pi, BGP_PATH_ATTR_CHANGED); |
3b7db173 DS |
6044 | match++; |
6045 | } | |
6046 | } | |
6047 | aggregate->count--; | |
fc968841 NT |
6048 | |
6049 | if (pi->attr->origin == BGP_ORIGIN_INCOMPLETE) | |
6050 | aggregate->incomplete_origin_count--; | |
6051 | else if (pi->attr->origin == BGP_ORIGIN_EGP) | |
6052 | aggregate->egp_origin_count--; | |
6053 | ||
6054 | if (aggregate->as_set) { | |
6055 | /* Remove as-path from aggregate. | |
6056 | */ | |
ef51a7d8 | 6057 | bgp_remove_aspath_from_aggregate_hash( |
fc968841 NT |
6058 | aggregate, |
6059 | pi->attr->aspath); | |
6060 | ||
6061 | if (pi->attr->community) | |
6062 | /* Remove community from aggregate. | |
6063 | */ | |
21fec674 | 6064 | bgp_remove_comm_from_aggregate_hash( |
fc968841 NT |
6065 | aggregate, |
6066 | pi->attr->community); | |
6067 | ||
6068 | if (pi->attr->ecommunity) | |
6069 | /* Remove ecommunity from aggregate. | |
6070 | */ | |
4edd83f9 | 6071 | bgp_remove_ecomm_from_aggregate_hash( |
fc968841 NT |
6072 | aggregate, |
6073 | pi->attr->ecommunity); | |
6074 | ||
6075 | if (pi->attr->lcommunity) | |
6076 | /* Remove lcommunity from aggregate. | |
6077 | */ | |
f1eb1f05 | 6078 | bgp_remove_lcomm_from_aggregate_hash( |
fc968841 NT |
6079 | aggregate, |
6080 | pi->attr->lcommunity); | |
6081 | } | |
6082 | ||
3b7db173 DS |
6083 | } |
6084 | ||
6085 | /* If this node was suppressed, process the change. */ | |
6086 | if (match) | |
6087 | bgp_process(bgp, rn, afi, safi); | |
6088 | } | |
f1eb1f05 | 6089 | if (aggregate->as_set) { |
ef51a7d8 | 6090 | aspath_free(aggregate->aspath); |
6091 | aggregate->aspath = NULL; | |
21fec674 | 6092 | if (aggregate->community) |
6093 | community_free(&aggregate->community); | |
4edd83f9 | 6094 | if (aggregate->ecommunity) |
6095 | ecommunity_free(&aggregate->ecommunity); | |
f1eb1f05 | 6096 | if (aggregate->lcommunity) |
6097 | lcommunity_free(&aggregate->lcommunity); | |
6098 | } | |
6099 | ||
3b7db173 DS |
6100 | bgp_unlock_node(top); |
6101 | } | |
718e3744 | 6102 | |
fc968841 NT |
6103 | static void bgp_add_route_to_aggregate(struct bgp *bgp, struct prefix *aggr_p, |
6104 | struct bgp_path_info *pinew, afi_t afi, | |
6105 | safi_t safi, | |
6106 | struct bgp_aggregate *aggregate) | |
6107 | { | |
6108 | uint8_t origin; | |
6109 | struct aspath *aspath = NULL; | |
6110 | uint8_t atomic_aggregate = 0; | |
6111 | struct community *community = NULL; | |
6112 | struct ecommunity *ecommunity = NULL; | |
6113 | struct lcommunity *lcommunity = NULL; | |
6114 | ||
6115 | /* ORIGIN attribute: If at least one route among routes that are | |
6116 | * aggregated has ORIGIN with the value INCOMPLETE, then the | |
6117 | * aggregated route must have the ORIGIN attribute with the value | |
6118 | * INCOMPLETE. Otherwise, if at least one route among routes that | |
6119 | * are aggregated has ORIGIN with the value EGP, then the aggregated | |
6120 | * route must have the origin attribute with the value EGP. In all | |
6121 | * other case the value of the ORIGIN attribute of the aggregated | |
6122 | * route is INTERNAL. | |
6123 | */ | |
6124 | origin = BGP_ORIGIN_IGP; | |
6125 | ||
6126 | aggregate->count++; | |
6127 | ||
6128 | if (aggregate->summary_only) | |
6129 | (bgp_path_info_extra_get(pinew))->suppress++; | |
6130 | ||
6131 | switch (pinew->attr->origin) { | |
6132 | case BGP_ORIGIN_INCOMPLETE: | |
6133 | aggregate->incomplete_origin_count++; | |
6134 | break; | |
6135 | case BGP_ORIGIN_EGP: | |
6136 | aggregate->egp_origin_count++; | |
6137 | break; | |
6138 | default: | |
6139 | /* Do nothing. | |
6140 | */ | |
6141 | break; | |
6142 | } | |
6143 | ||
6144 | if (aggregate->incomplete_origin_count > 0) | |
6145 | origin = BGP_ORIGIN_INCOMPLETE; | |
6146 | else if (aggregate->egp_origin_count > 0) | |
6147 | origin = BGP_ORIGIN_EGP; | |
6148 | ||
6149 | if (aggregate->as_set) { | |
6150 | /* Compute aggregate route's as-path. | |
6151 | */ | |
6152 | bgp_compute_aggregate_aspath(aggregate, | |
6153 | pinew->attr->aspath); | |
6154 | ||
6155 | /* Compute aggregate route's community. | |
6156 | */ | |
6157 | if (pinew->attr->community) | |
6158 | bgp_compute_aggregate_community( | |
6159 | aggregate, | |
6160 | pinew->attr->community); | |
6161 | ||
6162 | /* Compute aggregate route's extended community. | |
6163 | */ | |
6164 | if (pinew->attr->ecommunity) | |
6165 | bgp_compute_aggregate_ecommunity( | |
6166 | aggregate, | |
6167 | pinew->attr->ecommunity); | |
6168 | ||
6169 | /* Compute aggregate route's large community. | |
6170 | */ | |
6171 | if (pinew->attr->lcommunity) | |
6172 | bgp_compute_aggregate_lcommunity( | |
6173 | aggregate, | |
6174 | pinew->attr->lcommunity); | |
6175 | ||
6176 | /* Retrieve aggregate route's as-path. | |
6177 | */ | |
6178 | if (aggregate->aspath) | |
6179 | aspath = aspath_dup(aggregate->aspath); | |
6180 | ||
6181 | /* Retrieve aggregate route's community. | |
6182 | */ | |
6183 | if (aggregate->community) | |
6184 | community = community_dup(aggregate->community); | |
6185 | ||
6186 | /* Retrieve aggregate route's ecommunity. | |
6187 | */ | |
6188 | if (aggregate->ecommunity) | |
6189 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
6190 | ||
6191 | /* Retrieve aggregate route's lcommunity. | |
6192 | */ | |
6193 | if (aggregate->lcommunity) | |
6194 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
6195 | } | |
6196 | ||
6197 | bgp_aggregate_install(bgp, afi, safi, aggr_p, origin, | |
6198 | aspath, community, ecommunity, | |
6199 | lcommunity, atomic_aggregate, aggregate); | |
6200 | } | |
6201 | ||
6202 | static void bgp_remove_route_from_aggregate(struct bgp *bgp, afi_t afi, | |
6203 | safi_t safi, | |
6204 | struct bgp_path_info *pi, | |
6205 | struct bgp_aggregate *aggregate, | |
6206 | struct prefix *aggr_p) | |
6207 | { | |
6208 | uint8_t origin; | |
6209 | struct aspath *aspath = NULL; | |
6210 | uint8_t atomic_aggregate = 0; | |
6211 | struct community *community = NULL; | |
6212 | struct ecommunity *ecommunity = NULL; | |
6213 | struct lcommunity *lcommunity = NULL; | |
6214 | unsigned long match = 0; | |
6215 | ||
6216 | if (BGP_PATH_HOLDDOWN(pi)) | |
6217 | return; | |
6218 | ||
6219 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) | |
6220 | return; | |
6221 | ||
6222 | if (aggregate->summary_only | |
6223 | && pi->extra | |
6224 | && pi->extra->suppress > 0) { | |
6225 | pi->extra->suppress--; | |
6226 | ||
6227 | if (pi->extra->suppress == 0) { | |
6228 | bgp_path_info_set_flag(pi->net, pi, | |
6229 | BGP_PATH_ATTR_CHANGED); | |
6230 | match++; | |
6231 | } | |
6232 | } | |
6233 | ||
6234 | if (aggregate->count > 0) | |
6235 | aggregate->count--; | |
6236 | ||
6237 | if (pi->attr->origin == BGP_ORIGIN_INCOMPLETE) | |
6238 | aggregate->incomplete_origin_count--; | |
6239 | else if (pi->attr->origin == BGP_ORIGIN_EGP) | |
6240 | aggregate->egp_origin_count--; | |
6241 | ||
6242 | if (aggregate->as_set) { | |
6243 | /* Remove as-path from aggregate. | |
6244 | */ | |
6245 | bgp_remove_aspath_from_aggregate(aggregate, | |
6246 | pi->attr->aspath); | |
6247 | ||
6248 | if (pi->attr->community) | |
6249 | /* Remove community from aggregate. | |
6250 | */ | |
6251 | bgp_remove_community_from_aggregate( | |
6252 | aggregate, | |
6253 | pi->attr->community); | |
6254 | ||
6255 | if (pi->attr->ecommunity) | |
6256 | /* Remove ecommunity from aggregate. | |
6257 | */ | |
6258 | bgp_remove_ecommunity_from_aggregate( | |
6259 | aggregate, | |
6260 | pi->attr->ecommunity); | |
6261 | ||
6262 | if (pi->attr->lcommunity) | |
6263 | /* Remove lcommunity from aggregate. | |
6264 | */ | |
6265 | bgp_remove_lcommunity_from_aggregate( | |
6266 | aggregate, | |
6267 | pi->attr->lcommunity); | |
6268 | } | |
6269 | ||
6270 | /* If this node was suppressed, process the change. */ | |
6271 | if (match) | |
6272 | bgp_process(bgp, pi->net, afi, safi); | |
6273 | ||
6274 | origin = BGP_ORIGIN_IGP; | |
6275 | if (aggregate->incomplete_origin_count > 0) | |
6276 | origin = BGP_ORIGIN_INCOMPLETE; | |
6277 | else if (aggregate->egp_origin_count > 0) | |
6278 | origin = BGP_ORIGIN_EGP; | |
6279 | ||
6280 | if (aggregate->as_set) { | |
6281 | /* Retrieve aggregate route's as-path. | |
6282 | */ | |
6283 | if (aggregate->aspath) | |
6284 | aspath = aspath_dup(aggregate->aspath); | |
6285 | ||
6286 | /* Retrieve aggregate route's community. | |
6287 | */ | |
6288 | if (aggregate->community) | |
6289 | community = community_dup(aggregate->community); | |
6290 | ||
6291 | /* Retrieve aggregate route's ecommunity. | |
6292 | */ | |
6293 | if (aggregate->ecommunity) | |
6294 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
6295 | ||
6296 | /* Retrieve aggregate route's lcommunity. | |
6297 | */ | |
6298 | if (aggregate->lcommunity) | |
6299 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
6300 | } | |
6301 | ||
6302 | bgp_aggregate_install(bgp, afi, safi, aggr_p, origin, | |
6303 | aspath, community, ecommunity, | |
6304 | lcommunity, atomic_aggregate, aggregate); | |
6305 | } | |
6306 | ||
d62a17ae | 6307 | void bgp_aggregate_increment(struct bgp *bgp, struct prefix *p, |
40381db7 | 6308 | struct bgp_path_info *pi, afi_t afi, safi_t safi) |
718e3744 | 6309 | { |
d62a17ae | 6310 | struct bgp_node *child; |
6311 | struct bgp_node *rn; | |
6312 | struct bgp_aggregate *aggregate; | |
6313 | struct bgp_table *table; | |
718e3744 | 6314 | |
d62a17ae | 6315 | table = bgp->aggregate[afi][safi]; |
f018db83 | 6316 | |
d62a17ae | 6317 | /* No aggregates configured. */ |
6318 | if (bgp_table_top_nolock(table) == NULL) | |
6319 | return; | |
f018db83 | 6320 | |
d62a17ae | 6321 | if (p->prefixlen == 0) |
6322 | return; | |
718e3744 | 6323 | |
40381db7 | 6324 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 6325 | return; |
718e3744 | 6326 | |
d62a17ae | 6327 | child = bgp_node_get(table, p); |
718e3744 | 6328 | |
d62a17ae | 6329 | /* Aggregate address configuration check. */ |
b1e62edd | 6330 | for (rn = child; rn; rn = bgp_node_parent_nolock(rn)) { |
b613a918 | 6331 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 6332 | if (aggregate != NULL && rn->p.prefixlen < p->prefixlen) { |
fc968841 NT |
6333 | bgp_add_route_to_aggregate(bgp, &rn->p, pi, afi, |
6334 | safi, aggregate); | |
d62a17ae | 6335 | } |
b1e62edd | 6336 | } |
d62a17ae | 6337 | bgp_unlock_node(child); |
718e3744 | 6338 | } |
6339 | ||
d62a17ae | 6340 | void bgp_aggregate_decrement(struct bgp *bgp, struct prefix *p, |
4b7e6066 | 6341 | struct bgp_path_info *del, afi_t afi, safi_t safi) |
718e3744 | 6342 | { |
d62a17ae | 6343 | struct bgp_node *child; |
6344 | struct bgp_node *rn; | |
6345 | struct bgp_aggregate *aggregate; | |
6346 | struct bgp_table *table; | |
718e3744 | 6347 | |
d62a17ae | 6348 | table = bgp->aggregate[afi][safi]; |
718e3744 | 6349 | |
d62a17ae | 6350 | /* No aggregates configured. */ |
6351 | if (bgp_table_top_nolock(table) == NULL) | |
6352 | return; | |
718e3744 | 6353 | |
d62a17ae | 6354 | if (p->prefixlen == 0) |
6355 | return; | |
718e3744 | 6356 | |
d62a17ae | 6357 | child = bgp_node_get(table, p); |
718e3744 | 6358 | |
d62a17ae | 6359 | /* Aggregate address configuration check. */ |
b1e62edd | 6360 | for (rn = child; rn; rn = bgp_node_parent_nolock(rn)) { |
b613a918 | 6361 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 6362 | if (aggregate != NULL && rn->p.prefixlen < p->prefixlen) { |
fc968841 NT |
6363 | bgp_remove_route_from_aggregate(bgp, afi, safi, |
6364 | del, aggregate, &rn->p); | |
d62a17ae | 6365 | } |
b1e62edd | 6366 | } |
d62a17ae | 6367 | bgp_unlock_node(child); |
6368 | } | |
718e3744 | 6369 | |
718e3744 | 6370 | /* Aggregate route attribute. */ |
6371 | #define AGGREGATE_SUMMARY_ONLY 1 | |
6372 | #define AGGREGATE_AS_SET 1 | |
6373 | ||
d62a17ae | 6374 | static int bgp_aggregate_unset(struct vty *vty, const char *prefix_str, |
6375 | afi_t afi, safi_t safi) | |
718e3744 | 6376 | { |
d62a17ae | 6377 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
6378 | int ret; | |
6379 | struct prefix p; | |
6380 | struct bgp_node *rn; | |
6381 | struct bgp_aggregate *aggregate; | |
718e3744 | 6382 | |
d62a17ae | 6383 | /* Convert string to prefix structure. */ |
6384 | ret = str2prefix(prefix_str, &p); | |
6385 | if (!ret) { | |
6386 | vty_out(vty, "Malformed prefix\n"); | |
6387 | return CMD_WARNING_CONFIG_FAILED; | |
6388 | } | |
6389 | apply_mask(&p); | |
6390 | ||
6391 | /* Old configuration check. */ | |
6392 | rn = bgp_node_lookup(bgp->aggregate[afi][safi], &p); | |
6393 | if (!rn) { | |
6394 | vty_out(vty, | |
6395 | "%% There is no aggregate-address configuration.\n"); | |
6396 | return CMD_WARNING_CONFIG_FAILED; | |
6397 | } | |
f6269b4f | 6398 | |
b613a918 | 6399 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
09990cdd | 6400 | bgp_aggregate_delete(bgp, &p, afi, safi, aggregate); |
dd18c5a9 DS |
6401 | bgp_aggregate_install(bgp, afi, safi, &p, 0, NULL, NULL, |
6402 | NULL, NULL, 0, aggregate); | |
d62a17ae | 6403 | |
6404 | /* Unlock aggregate address configuration. */ | |
b613a918 | 6405 | bgp_node_set_bgp_aggregate_info(rn, NULL); |
fc968841 NT |
6406 | |
6407 | if (aggregate->community) | |
6408 | community_free(&aggregate->community); | |
6409 | ||
6410 | if (aggregate->community_hash) { | |
6411 | /* Delete all communities in the hash. | |
6412 | */ | |
6413 | hash_clean(aggregate->community_hash, | |
6414 | bgp_aggr_community_remove); | |
6415 | /* Free up the community_hash. | |
6416 | */ | |
6417 | hash_free(aggregate->community_hash); | |
6418 | } | |
6419 | ||
6420 | if (aggregate->ecommunity) | |
6421 | ecommunity_free(&aggregate->ecommunity); | |
6422 | ||
6423 | if (aggregate->ecommunity_hash) { | |
6424 | /* Delete all ecommunities in the hash. | |
6425 | */ | |
6426 | hash_clean(aggregate->ecommunity_hash, | |
6427 | bgp_aggr_ecommunity_remove); | |
6428 | /* Free up the ecommunity_hash. | |
6429 | */ | |
6430 | hash_free(aggregate->ecommunity_hash); | |
6431 | } | |
6432 | ||
6433 | if (aggregate->lcommunity) | |
6434 | lcommunity_free(&aggregate->lcommunity); | |
6435 | ||
6436 | if (aggregate->lcommunity_hash) { | |
6437 | /* Delete all lcommunities in the hash. | |
6438 | */ | |
6439 | hash_clean(aggregate->lcommunity_hash, | |
6440 | bgp_aggr_lcommunity_remove); | |
6441 | /* Free up the lcommunity_hash. | |
6442 | */ | |
6443 | hash_free(aggregate->lcommunity_hash); | |
6444 | } | |
6445 | ||
6446 | if (aggregate->aspath) | |
6447 | aspath_free(aggregate->aspath); | |
6448 | ||
6449 | if (aggregate->aspath_hash) { | |
6450 | /* Delete all as-paths in the hash. | |
6451 | */ | |
6452 | hash_clean(aggregate->aspath_hash, | |
6453 | bgp_aggr_aspath_remove); | |
6454 | /* Free up the aspath_hash. | |
6455 | */ | |
6456 | hash_free(aggregate->aspath_hash); | |
6457 | } | |
6458 | ||
d62a17ae | 6459 | bgp_aggregate_free(aggregate); |
6460 | bgp_unlock_node(rn); | |
6461 | bgp_unlock_node(rn); | |
6462 | ||
6463 | return CMD_SUCCESS; | |
6464 | } | |
6465 | ||
6466 | static int bgp_aggregate_set(struct vty *vty, const char *prefix_str, afi_t afi, | |
20894f50 DA |
6467 | safi_t safi, const char *rmap, uint8_t summary_only, |
6468 | uint8_t as_set) | |
d62a17ae | 6469 | { |
6470 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
6471 | int ret; | |
6472 | struct prefix p; | |
6473 | struct bgp_node *rn; | |
6474 | struct bgp_aggregate *aggregate; | |
6475 | ||
6476 | /* Convert string to prefix structure. */ | |
6477 | ret = str2prefix(prefix_str, &p); | |
6478 | if (!ret) { | |
6479 | vty_out(vty, "Malformed prefix\n"); | |
6480 | return CMD_WARNING_CONFIG_FAILED; | |
6481 | } | |
6482 | apply_mask(&p); | |
6483 | ||
3624ac81 DS |
6484 | if ((afi == AFI_IP && p.prefixlen == IPV4_MAX_BITLEN) || |
6485 | (afi == AFI_IP6 && p.prefixlen == IPV6_MAX_BITLEN)) { | |
6486 | vty_out(vty, "Specified prefix: %s will not result in any useful aggregation, disallowing\n", | |
6487 | prefix_str); | |
6488 | return CMD_WARNING_CONFIG_FAILED; | |
6489 | } | |
6490 | ||
d62a17ae | 6491 | /* Old configuration check. */ |
6492 | rn = bgp_node_get(bgp->aggregate[afi][safi], &p); | |
20894f50 | 6493 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
d62a17ae | 6494 | |
20894f50 | 6495 | if (aggregate) { |
d62a17ae | 6496 | vty_out(vty, "There is already same aggregate network.\n"); |
6497 | /* try to remove the old entry */ | |
6498 | ret = bgp_aggregate_unset(vty, prefix_str, afi, safi); | |
6499 | if (ret) { | |
6500 | vty_out(vty, "Error deleting aggregate.\n"); | |
6501 | bgp_unlock_node(rn); | |
6502 | return CMD_WARNING_CONFIG_FAILED; | |
6503 | } | |
6504 | } | |
718e3744 | 6505 | |
d62a17ae | 6506 | /* Make aggregate address structure. */ |
6507 | aggregate = bgp_aggregate_new(); | |
6508 | aggregate->summary_only = summary_only; | |
6509 | aggregate->as_set = as_set; | |
6510 | aggregate->safi = safi; | |
20894f50 DA |
6511 | |
6512 | if (rmap) { | |
6513 | XFREE(MTYPE_ROUTE_MAP_NAME, aggregate->rmap.name); | |
6514 | route_map_counter_decrement(aggregate->rmap.map); | |
6515 | aggregate->rmap.name = | |
6516 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
6517 | aggregate->rmap.map = route_map_lookup_by_name(rmap); | |
6518 | route_map_counter_increment(aggregate->rmap.map); | |
6519 | } | |
b613a918 | 6520 | bgp_node_set_bgp_aggregate_info(rn, aggregate); |
718e3744 | 6521 | |
d62a17ae | 6522 | /* Aggregate address insert into BGP routing table. */ |
fc968841 | 6523 | bgp_aggregate_route(bgp, &p, afi, safi, aggregate); |
718e3744 | 6524 | |
d62a17ae | 6525 | return CMD_SUCCESS; |
718e3744 | 6526 | } |
6527 | ||
6528 | DEFUN (aggregate_address, | |
6529 | aggregate_address_cmd, | |
20894f50 | 6530 | "aggregate-address A.B.C.D/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6531 | "Configure BGP aggregate entries\n" |
6532 | "Aggregate prefix\n" | |
6533 | "Generate AS set path information\n" | |
a636c635 DW |
6534 | "Filter more specific routes from updates\n" |
6535 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6536 | "Generate AS set path information\n" |
6537 | "Apply route map to aggregate network\n" | |
6538 | "Name of route map\n") | |
718e3744 | 6539 | { |
d62a17ae | 6540 | int idx = 0; |
6541 | argv_find(argv, argc, "A.B.C.D/M", &idx); | |
6542 | char *prefix = argv[idx]->arg; | |
20894f50 | 6543 | char *rmap = NULL; |
d62a17ae | 6544 | int as_set = |
6545 | argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET : 0; | |
6546 | idx = 0; | |
6547 | int summary_only = argv_find(argv, argc, "summary-only", &idx) | |
6548 | ? AGGREGATE_SUMMARY_ONLY | |
6549 | : 0; | |
e3e6107d | 6550 | |
20894f50 DA |
6551 | idx = 0; |
6552 | argv_find(argv, argc, "WORD", &idx); | |
6553 | if (idx) | |
6554 | rmap = argv[idx]->arg; | |
6555 | ||
d62a17ae | 6556 | return bgp_aggregate_set(vty, prefix, AFI_IP, bgp_node_safi(vty), |
20894f50 | 6557 | rmap, summary_only, as_set); |
718e3744 | 6558 | } |
6559 | ||
e3e6107d QY |
6560 | DEFUN (aggregate_address_mask, |
6561 | aggregate_address_mask_cmd, | |
20894f50 | 6562 | "aggregate-address A.B.C.D A.B.C.D [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6563 | "Configure BGP aggregate entries\n" |
6564 | "Aggregate address\n" | |
6565 | "Aggregate mask\n" | |
6566 | "Generate AS set path information\n" | |
a636c635 DW |
6567 | "Filter more specific routes from updates\n" |
6568 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6569 | "Generate AS set path information\n" |
6570 | "Apply route map to aggregate network\n" | |
6571 | "Name of route map\n") | |
718e3744 | 6572 | { |
d62a17ae | 6573 | int idx = 0; |
6574 | argv_find(argv, argc, "A.B.C.D", &idx); | |
6575 | char *prefix = argv[idx]->arg; | |
6576 | char *mask = argv[idx + 1]->arg; | |
cf40d052 | 6577 | bool rmap_found; |
20894f50 | 6578 | char *rmap = NULL; |
d62a17ae | 6579 | int as_set = |
6580 | argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET : 0; | |
6581 | idx = 0; | |
6582 | int summary_only = argv_find(argv, argc, "summary-only", &idx) | |
6583 | ? AGGREGATE_SUMMARY_ONLY | |
6584 | : 0; | |
6585 | ||
cf40d052 DS |
6586 | rmap_found = argv_find(argv, argc, "WORD", &idx); |
6587 | if (rmap_found) | |
20894f50 DA |
6588 | rmap = argv[idx]->arg; |
6589 | ||
d62a17ae | 6590 | char prefix_str[BUFSIZ]; |
6591 | int ret = netmask_str2prefix_str(prefix, mask, prefix_str); | |
6592 | ||
6593 | if (!ret) { | |
6594 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
6595 | return CMD_WARNING_CONFIG_FAILED; | |
6596 | } | |
718e3744 | 6597 | |
d62a17ae | 6598 | return bgp_aggregate_set(vty, prefix_str, AFI_IP, bgp_node_safi(vty), |
20894f50 | 6599 | rmap, summary_only, as_set); |
718e3744 | 6600 | } |
6601 | ||
718e3744 | 6602 | DEFUN (no_aggregate_address, |
6603 | no_aggregate_address_cmd, | |
b84da0db | 6604 | "no aggregate-address A.B.C.D/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6605 | NO_STR |
6606 | "Configure BGP aggregate entries\n" | |
a636c635 DW |
6607 | "Aggregate prefix\n" |
6608 | "Generate AS set path information\n" | |
e3e6107d QY |
6609 | "Filter more specific routes from updates\n" |
6610 | "Filter more specific routes from updates\n" | |
b84da0db DA |
6611 | "Generate AS set path information\n" |
6612 | "Apply route map to aggregate network\n" | |
6613 | "Name of route map\n") | |
718e3744 | 6614 | { |
d62a17ae | 6615 | int idx = 0; |
6616 | argv_find(argv, argc, "A.B.C.D/M", &idx); | |
6617 | char *prefix = argv[idx]->arg; | |
6618 | return bgp_aggregate_unset(vty, prefix, AFI_IP, bgp_node_safi(vty)); | |
718e3744 | 6619 | } |
6620 | ||
718e3744 | 6621 | DEFUN (no_aggregate_address_mask, |
6622 | no_aggregate_address_mask_cmd, | |
b84da0db | 6623 | "no aggregate-address A.B.C.D A.B.C.D [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6624 | NO_STR |
6625 | "Configure BGP aggregate entries\n" | |
6626 | "Aggregate address\n" | |
a636c635 DW |
6627 | "Aggregate mask\n" |
6628 | "Generate AS set path information\n" | |
e3e6107d QY |
6629 | "Filter more specific routes from updates\n" |
6630 | "Filter more specific routes from updates\n" | |
b84da0db DA |
6631 | "Generate AS set path information\n" |
6632 | "Apply route map to aggregate network\n" | |
6633 | "Name of route map\n") | |
718e3744 | 6634 | { |
d62a17ae | 6635 | int idx = 0; |
6636 | argv_find(argv, argc, "A.B.C.D", &idx); | |
6637 | char *prefix = argv[idx]->arg; | |
6638 | char *mask = argv[idx + 1]->arg; | |
718e3744 | 6639 | |
d62a17ae | 6640 | char prefix_str[BUFSIZ]; |
6641 | int ret = netmask_str2prefix_str(prefix, mask, prefix_str); | |
718e3744 | 6642 | |
d62a17ae | 6643 | if (!ret) { |
6644 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
6645 | return CMD_WARNING_CONFIG_FAILED; | |
6646 | } | |
718e3744 | 6647 | |
d62a17ae | 6648 | return bgp_aggregate_unset(vty, prefix_str, AFI_IP, bgp_node_safi(vty)); |
718e3744 | 6649 | } |
6650 | ||
718e3744 | 6651 | DEFUN (ipv6_aggregate_address, |
6652 | ipv6_aggregate_address_cmd, | |
20894f50 | 6653 | "aggregate-address X:X::X:X/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6654 | "Configure BGP aggregate entries\n" |
6655 | "Aggregate prefix\n" | |
5101fece | 6656 | "Generate AS set path information\n" |
6657 | "Filter more specific routes from updates\n" | |
6658 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6659 | "Generate AS set path information\n" |
6660 | "Apply route map to aggregate network\n" | |
6661 | "Name of route map\n") | |
718e3744 | 6662 | { |
d62a17ae | 6663 | int idx = 0; |
6664 | argv_find(argv, argc, "X:X::X:X/M", &idx); | |
6665 | char *prefix = argv[idx]->arg; | |
20894f50 | 6666 | char *rmap = NULL; |
273fae13 | 6667 | bool rmap_found; |
5101fece | 6668 | int as_set = |
6669 | argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET : 0; | |
6670 | ||
6671 | idx = 0; | |
d62a17ae | 6672 | int sum_only = argv_find(argv, argc, "summary-only", &idx) |
6673 | ? AGGREGATE_SUMMARY_ONLY | |
6674 | : 0; | |
20894f50 | 6675 | |
273fae13 DA |
6676 | rmap_found = argv_find(argv, argc, "WORD", &idx); |
6677 | if (rmap_found) | |
20894f50 DA |
6678 | rmap = argv[idx]->arg; |
6679 | ||
6680 | return bgp_aggregate_set(vty, prefix, AFI_IP6, SAFI_UNICAST, rmap, | |
6681 | sum_only, as_set); | |
718e3744 | 6682 | } |
6683 | ||
6684 | DEFUN (no_ipv6_aggregate_address, | |
6685 | no_ipv6_aggregate_address_cmd, | |
b84da0db | 6686 | "no aggregate-address X:X::X:X/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6687 | NO_STR |
6688 | "Configure BGP aggregate entries\n" | |
16cedbb0 | 6689 | "Aggregate prefix\n" |
5101fece | 6690 | "Generate AS set path information\n" |
6691 | "Filter more specific routes from updates\n" | |
6692 | "Filter more specific routes from updates\n" | |
b84da0db DA |
6693 | "Generate AS set path information\n" |
6694 | "Apply route map to aggregate network\n" | |
6695 | "Name of route map\n") | |
718e3744 | 6696 | { |
d62a17ae | 6697 | int idx = 0; |
6698 | argv_find(argv, argc, "X:X::X:X/M", &idx); | |
6699 | char *prefix = argv[idx]->arg; | |
6700 | return bgp_aggregate_unset(vty, prefix, AFI_IP6, SAFI_UNICAST); | |
718e3744 | 6701 | } |
6702 | ||
718e3744 | 6703 | /* Redistribute route treatment. */ |
d62a17ae | 6704 | void bgp_redistribute_add(struct bgp *bgp, struct prefix *p, |
9de1f7ff DS |
6705 | const union g_addr *nexthop, ifindex_t ifindex, |
6706 | enum nexthop_types_t nhtype, uint32_t metric, | |
d7c0a89a QY |
6707 | uint8_t type, unsigned short instance, |
6708 | route_tag_t tag) | |
d62a17ae | 6709 | { |
4b7e6066 | 6710 | struct bgp_path_info *new; |
40381db7 DS |
6711 | struct bgp_path_info *bpi; |
6712 | struct bgp_path_info rmap_path; | |
d62a17ae | 6713 | struct bgp_node *bn; |
6714 | struct attr attr; | |
6715 | struct attr *new_attr; | |
6716 | afi_t afi; | |
b68885f9 | 6717 | route_map_result_t ret; |
d62a17ae | 6718 | struct bgp_redist *red; |
6719 | ||
6720 | /* Make default attribute. */ | |
6721 | bgp_attr_default_set(&attr, BGP_ORIGIN_INCOMPLETE); | |
9de1f7ff | 6722 | |
a4d82a8a | 6723 | switch (nhtype) { |
9de1f7ff DS |
6724 | case NEXTHOP_TYPE_IFINDEX: |
6725 | break; | |
6726 | case NEXTHOP_TYPE_IPV4: | |
6727 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
6728 | attr.nexthop = nexthop->ipv4; | |
6729 | break; | |
6730 | case NEXTHOP_TYPE_IPV6: | |
6731 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
6732 | attr.mp_nexthop_global = nexthop->ipv6; | |
6733 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; | |
6734 | break; | |
6735 | case NEXTHOP_TYPE_BLACKHOLE: | |
74489921 RW |
6736 | switch (p->family) { |
6737 | case AF_INET: | |
9de1f7ff | 6738 | attr.nexthop.s_addr = INADDR_ANY; |
74489921 RW |
6739 | break; |
6740 | case AF_INET6: | |
9de1f7ff DS |
6741 | memset(&attr.mp_nexthop_global, 0, |
6742 | sizeof(attr.mp_nexthop_global)); | |
74489921 | 6743 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; |
9de1f7ff | 6744 | break; |
74489921 | 6745 | } |
9de1f7ff | 6746 | break; |
d62a17ae | 6747 | } |
74489921 | 6748 | attr.nh_ifindex = ifindex; |
f04a80a5 | 6749 | |
d62a17ae | 6750 | attr.med = metric; |
6751 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
6752 | attr.tag = tag; | |
718e3744 | 6753 | |
d62a17ae | 6754 | afi = family2afi(p->family); |
6aeb9e78 | 6755 | |
d62a17ae | 6756 | red = bgp_redist_lookup(bgp, afi, type, instance); |
6757 | if (red) { | |
6758 | struct attr attr_new; | |
718e3744 | 6759 | |
d62a17ae | 6760 | /* Copy attribute for modification. */ |
6761 | bgp_attr_dup(&attr_new, &attr); | |
718e3744 | 6762 | |
d62a17ae | 6763 | if (red->redist_metric_flag) |
6764 | attr_new.med = red->redist_metric; | |
718e3744 | 6765 | |
d62a17ae | 6766 | /* Apply route-map. */ |
6767 | if (red->rmap.name) { | |
40381db7 DS |
6768 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
6769 | rmap_path.peer = bgp->peer_self; | |
6770 | rmap_path.attr = &attr_new; | |
718e3744 | 6771 | |
d62a17ae | 6772 | SET_FLAG(bgp->peer_self->rmap_type, |
6773 | PEER_RMAP_TYPE_REDISTRIBUTE); | |
6774 | ||
6775 | ret = route_map_apply(red->rmap.map, p, RMAP_BGP, | |
40381db7 | 6776 | &rmap_path); |
d62a17ae | 6777 | |
6778 | bgp->peer_self->rmap_type = 0; | |
6779 | ||
6780 | if (ret == RMAP_DENYMATCH) { | |
6781 | /* Free uninterned attribute. */ | |
6782 | bgp_attr_flush(&attr_new); | |
6783 | ||
6784 | /* Unintern original. */ | |
6785 | aspath_unintern(&attr.aspath); | |
6786 | bgp_redistribute_delete(bgp, p, type, instance); | |
6787 | return; | |
6788 | } | |
6789 | } | |
6790 | ||
7f323236 DW |
6791 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) |
6792 | bgp_attr_add_gshut_community(&attr_new); | |
6793 | ||
d62a17ae | 6794 | bn = bgp_afi_node_get(bgp->rib[afi][SAFI_UNICAST], afi, |
6795 | SAFI_UNICAST, p, NULL); | |
6796 | ||
6797 | new_attr = bgp_attr_intern(&attr_new); | |
6798 | ||
6f94b685 DS |
6799 | for (bpi = bgp_node_get_bgp_path_info(bn); bpi; |
6800 | bpi = bpi->next) | |
40381db7 DS |
6801 | if (bpi->peer == bgp->peer_self |
6802 | && bpi->sub_type == BGP_ROUTE_REDISTRIBUTE) | |
d62a17ae | 6803 | break; |
6804 | ||
40381db7 | 6805 | if (bpi) { |
d62a17ae | 6806 | /* Ensure the (source route) type is updated. */ |
40381db7 DS |
6807 | bpi->type = type; |
6808 | if (attrhash_cmp(bpi->attr, new_attr) | |
6809 | && !CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 6810 | bgp_attr_unintern(&new_attr); |
6811 | aspath_unintern(&attr.aspath); | |
6812 | bgp_unlock_node(bn); | |
6813 | return; | |
6814 | } else { | |
6815 | /* The attribute is changed. */ | |
40381db7 | 6816 | bgp_path_info_set_flag(bn, bpi, |
18ee8310 | 6817 | BGP_PATH_ATTR_CHANGED); |
d62a17ae | 6818 | |
6819 | /* Rewrite BGP route information. */ | |
40381db7 DS |
6820 | if (CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) |
6821 | bgp_path_info_restore(bn, bpi); | |
d62a17ae | 6822 | else |
40381db7 DS |
6823 | bgp_aggregate_decrement( |
6824 | bgp, p, bpi, afi, SAFI_UNICAST); | |
6825 | bgp_attr_unintern(&bpi->attr); | |
6826 | bpi->attr = new_attr; | |
6827 | bpi->uptime = bgp_clock(); | |
d62a17ae | 6828 | |
6829 | /* Process change. */ | |
40381db7 | 6830 | bgp_aggregate_increment(bgp, p, bpi, afi, |
d62a17ae | 6831 | SAFI_UNICAST); |
6832 | bgp_process(bgp, bn, afi, SAFI_UNICAST); | |
6833 | bgp_unlock_node(bn); | |
6834 | aspath_unintern(&attr.aspath); | |
ddb5b488 PZ |
6835 | |
6836 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
6837 | || (bgp->inst_type | |
6838 | == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6839 | ||
6840 | vpn_leak_from_vrf_update( | |
40381db7 | 6841 | bgp_get_default(), bgp, bpi); |
ddb5b488 | 6842 | } |
d62a17ae | 6843 | return; |
6844 | } | |
6845 | } | |
6846 | ||
6847 | new = info_make(type, BGP_ROUTE_REDISTRIBUTE, instance, | |
6848 | bgp->peer_self, new_attr, bn); | |
1defdda8 | 6849 | SET_FLAG(new->flags, BGP_PATH_VALID); |
d62a17ae | 6850 | |
6851 | bgp_aggregate_increment(bgp, p, new, afi, SAFI_UNICAST); | |
18ee8310 | 6852 | bgp_path_info_add(bn, new); |
d62a17ae | 6853 | bgp_unlock_node(bn); |
6854 | bgp_process(bgp, bn, afi, SAFI_UNICAST); | |
ddb5b488 PZ |
6855 | |
6856 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
6857 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6858 | ||
6859 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
6860 | } | |
d62a17ae | 6861 | } |
6862 | ||
6863 | /* Unintern original. */ | |
6864 | aspath_unintern(&attr.aspath); | |
718e3744 | 6865 | } |
6866 | ||
d7c0a89a QY |
6867 | void bgp_redistribute_delete(struct bgp *bgp, struct prefix *p, uint8_t type, |
6868 | unsigned short instance) | |
718e3744 | 6869 | { |
d62a17ae | 6870 | afi_t afi; |
6871 | struct bgp_node *rn; | |
40381db7 | 6872 | struct bgp_path_info *pi; |
d62a17ae | 6873 | struct bgp_redist *red; |
718e3744 | 6874 | |
d62a17ae | 6875 | afi = family2afi(p->family); |
718e3744 | 6876 | |
d62a17ae | 6877 | red = bgp_redist_lookup(bgp, afi, type, instance); |
6878 | if (red) { | |
6879 | rn = bgp_afi_node_get(bgp->rib[afi][SAFI_UNICAST], afi, | |
6880 | SAFI_UNICAST, p, NULL); | |
6881 | ||
6f94b685 | 6882 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 | 6883 | if (pi->peer == bgp->peer_self && pi->type == type) |
d62a17ae | 6884 | break; |
6885 | ||
40381db7 | 6886 | if (pi) { |
ddb5b488 PZ |
6887 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) |
6888 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6889 | ||
6890 | vpn_leak_from_vrf_withdraw(bgp_get_default(), | |
40381db7 | 6891 | bgp, pi); |
ddb5b488 | 6892 | } |
40381db7 DS |
6893 | bgp_aggregate_decrement(bgp, p, pi, afi, SAFI_UNICAST); |
6894 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 6895 | bgp_process(bgp, rn, afi, SAFI_UNICAST); |
6896 | } | |
6897 | bgp_unlock_node(rn); | |
6898 | } | |
6899 | } | |
6900 | ||
6901 | /* Withdraw specified route type's route. */ | |
6902 | void bgp_redistribute_withdraw(struct bgp *bgp, afi_t afi, int type, | |
d7c0a89a | 6903 | unsigned short instance) |
d62a17ae | 6904 | { |
6905 | struct bgp_node *rn; | |
40381db7 | 6906 | struct bgp_path_info *pi; |
d62a17ae | 6907 | struct bgp_table *table; |
6908 | ||
6909 | table = bgp->rib[afi][SAFI_UNICAST]; | |
6910 | ||
6911 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
6f94b685 | 6912 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
6913 | if (pi->peer == bgp->peer_self && pi->type == type |
6914 | && pi->instance == instance) | |
d62a17ae | 6915 | break; |
6916 | ||
40381db7 | 6917 | if (pi) { |
ddb5b488 PZ |
6918 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) |
6919 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6920 | ||
6921 | vpn_leak_from_vrf_withdraw(bgp_get_default(), | |
40381db7 | 6922 | bgp, pi); |
ddb5b488 | 6923 | } |
40381db7 | 6924 | bgp_aggregate_decrement(bgp, &rn->p, pi, afi, |
d62a17ae | 6925 | SAFI_UNICAST); |
40381db7 | 6926 | bgp_path_info_delete(rn, pi); |
d62a17ae | 6927 | bgp_process(bgp, rn, afi, SAFI_UNICAST); |
6928 | } | |
718e3744 | 6929 | } |
718e3744 | 6930 | } |
6b0655a2 | 6931 | |
718e3744 | 6932 | /* Static function to display route. */ |
9c92b5f7 MK |
6933 | static void route_vty_out_route(struct prefix *p, struct vty *vty, |
6934 | json_object *json) | |
718e3744 | 6935 | { |
be054588 | 6936 | int len = 0; |
d62a17ae | 6937 | char buf[BUFSIZ]; |
50e05855 | 6938 | char buf2[BUFSIZ]; |
718e3744 | 6939 | |
d62a17ae | 6940 | if (p->family == AF_INET) { |
c6462ff4 | 6941 | if (!json) { |
89e5e9f0 PM |
6942 | len = vty_out( |
6943 | vty, "%s/%d", | |
6944 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
6945 | p->prefixlen); | |
c6462ff4 MK |
6946 | } else { |
6947 | json_object_string_add(json, "prefix", | |
6948 | inet_ntop(p->family, | |
6949 | &p->u.prefix, buf, | |
6950 | BUFSIZ)); | |
6951 | json_object_int_add(json, "prefixLen", p->prefixlen); | |
37d4e0df | 6952 | prefix2str(p, buf2, PREFIX_STRLEN); |
50e05855 | 6953 | json_object_string_add(json, "network", buf2); |
c6462ff4 | 6954 | } |
d62a17ae | 6955 | } else if (p->family == AF_ETHERNET) { |
b03b8898 DS |
6956 | prefix2str(p, buf, PREFIX_STRLEN); |
6957 | len = vty_out(vty, "%s", buf); | |
6958 | } else if (p->family == AF_EVPN) { | |
57f7feb6 | 6959 | if (!json) |
60466a63 QY |
6960 | len = vty_out( |
6961 | vty, "%s", | |
6962 | bgp_evpn_route2str((struct prefix_evpn *)p, buf, | |
6963 | BUFSIZ)); | |
57f7feb6 | 6964 | else |
60466a63 | 6965 | bgp_evpn_route2json((struct prefix_evpn *)p, json); |
dba3c1d3 PG |
6966 | } else if (p->family == AF_FLOWSPEC) { |
6967 | route_vty_out_flowspec(vty, p, NULL, | |
d33fc23b PG |
6968 | json ? |
6969 | NLRI_STRING_FORMAT_JSON_SIMPLE : | |
6970 | NLRI_STRING_FORMAT_MIN, json); | |
9c92b5f7 | 6971 | } else { |
c6462ff4 | 6972 | if (!json) |
60466a63 QY |
6973 | len = vty_out( |
6974 | vty, "%s/%d", | |
6975 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
6976 | p->prefixlen); | |
50e05855 AD |
6977 | else { |
6978 | json_object_string_add(json, "prefix", | |
6979 | inet_ntop(p->family, | |
6980 | &p->u.prefix, buf, | |
6981 | BUFSIZ)); | |
6982 | json_object_int_add(json, "prefixLen", p->prefixlen); | |
37d4e0df AD |
6983 | prefix2str(p, buf2, PREFIX_STRLEN); |
6984 | json_object_string_add(json, "network", buf2); | |
6985 | } | |
9c92b5f7 | 6986 | } |
d62a17ae | 6987 | |
9c92b5f7 MK |
6988 | if (!json) { |
6989 | len = 17 - len; | |
6990 | if (len < 1) | |
6991 | vty_out(vty, "\n%*s", 20, " "); | |
6992 | else | |
6993 | vty_out(vty, "%*s", len, " "); | |
6994 | } | |
718e3744 | 6995 | } |
6996 | ||
d62a17ae | 6997 | enum bgp_display_type { |
6998 | normal_list, | |
718e3744 | 6999 | }; |
7000 | ||
18ee8310 | 7001 | /* Print the short form route status for a bgp_path_info */ |
4b7e6066 | 7002 | static void route_vty_short_status_out(struct vty *vty, |
9b6d8fcf | 7003 | struct bgp_path_info *path, |
d62a17ae | 7004 | json_object *json_path) |
718e3744 | 7005 | { |
d62a17ae | 7006 | if (json_path) { |
b05a1c8b | 7007 | |
d62a17ae | 7008 | /* Route status display. */ |
9b6d8fcf | 7009 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) |
d62a17ae | 7010 | json_object_boolean_true_add(json_path, "removed"); |
b05a1c8b | 7011 | |
9b6d8fcf | 7012 | if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) |
d62a17ae | 7013 | json_object_boolean_true_add(json_path, "stale"); |
b05a1c8b | 7014 | |
9b6d8fcf | 7015 | if (path->extra && path->extra->suppress) |
d62a17ae | 7016 | json_object_boolean_true_add(json_path, "suppressed"); |
b05a1c8b | 7017 | |
9b6d8fcf DS |
7018 | if (CHECK_FLAG(path->flags, BGP_PATH_VALID) |
7019 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) | |
d62a17ae | 7020 | json_object_boolean_true_add(json_path, "valid"); |
b05a1c8b | 7021 | |
d62a17ae | 7022 | /* Selected */ |
9b6d8fcf | 7023 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) |
d62a17ae | 7024 | json_object_boolean_true_add(json_path, "history"); |
b05a1c8b | 7025 | |
9b6d8fcf | 7026 | if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) |
d62a17ae | 7027 | json_object_boolean_true_add(json_path, "damped"); |
b05a1c8b | 7028 | |
9b6d8fcf | 7029 | if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) |
d62a17ae | 7030 | json_object_boolean_true_add(json_path, "bestpath"); |
b05a1c8b | 7031 | |
9b6d8fcf | 7032 | if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH)) |
d62a17ae | 7033 | json_object_boolean_true_add(json_path, "multipath"); |
b05a1c8b | 7034 | |
d62a17ae | 7035 | /* Internal route. */ |
9b6d8fcf DS |
7036 | if ((path->peer->as) |
7037 | && (path->peer->as == path->peer->local_as)) | |
d62a17ae | 7038 | json_object_string_add(json_path, "pathFrom", |
7039 | "internal"); | |
7040 | else | |
7041 | json_object_string_add(json_path, "pathFrom", | |
7042 | "external"); | |
b05a1c8b | 7043 | |
d62a17ae | 7044 | return; |
7045 | } | |
b05a1c8b | 7046 | |
d62a17ae | 7047 | /* Route status display. */ |
9b6d8fcf | 7048 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) |
d62a17ae | 7049 | vty_out(vty, "R"); |
9b6d8fcf | 7050 | else if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) |
d62a17ae | 7051 | vty_out(vty, "S"); |
9b6d8fcf | 7052 | else if (path->extra && path->extra->suppress) |
d62a17ae | 7053 | vty_out(vty, "s"); |
9b6d8fcf DS |
7054 | else if (CHECK_FLAG(path->flags, BGP_PATH_VALID) |
7055 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) | |
d62a17ae | 7056 | vty_out(vty, "*"); |
7057 | else | |
7058 | vty_out(vty, " "); | |
7059 | ||
7060 | /* Selected */ | |
9b6d8fcf | 7061 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) |
d62a17ae | 7062 | vty_out(vty, "h"); |
9b6d8fcf | 7063 | else if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) |
d62a17ae | 7064 | vty_out(vty, "d"); |
9b6d8fcf | 7065 | else if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) |
d62a17ae | 7066 | vty_out(vty, ">"); |
9b6d8fcf | 7067 | else if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH)) |
d62a17ae | 7068 | vty_out(vty, "="); |
7069 | else | |
7070 | vty_out(vty, " "); | |
718e3744 | 7071 | |
d62a17ae | 7072 | /* Internal route. */ |
9b6d8fcf DS |
7073 | if (path->peer && (path->peer->as) |
7074 | && (path->peer->as == path->peer->local_as)) | |
d62a17ae | 7075 | vty_out(vty, "i"); |
7076 | else | |
7077 | vty_out(vty, " "); | |
b40d939b | 7078 | } |
7079 | ||
25b5da8d DA |
7080 | static char *bgp_nexthop_fqdn(struct peer *peer) |
7081 | { | |
7082 | if (peer->hostname && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME)) | |
7083 | return peer->hostname; | |
7084 | return NULL; | |
7085 | } | |
7086 | ||
b40d939b | 7087 | /* called from terminal list command */ |
4b7e6066 | 7088 | void route_vty_out(struct vty *vty, struct prefix *p, |
9b6d8fcf | 7089 | struct bgp_path_info *path, int display, safi_t safi, |
4b7e6066 | 7090 | json_object *json_paths) |
d62a17ae | 7091 | { |
7092 | struct attr *attr; | |
7093 | json_object *json_path = NULL; | |
7094 | json_object *json_nexthops = NULL; | |
7095 | json_object *json_nexthop_global = NULL; | |
7096 | json_object *json_nexthop_ll = NULL; | |
6f214dd3 | 7097 | json_object *json_ext_community = NULL; |
9df8b37c | 7098 | char vrf_id_str[VRF_NAMSIZ] = {0}; |
1defdda8 | 7099 | bool nexthop_self = |
9b6d8fcf | 7100 | CHECK_FLAG(path->flags, BGP_PATH_ANNC_NH_SELF) ? true : false; |
9df8b37c | 7101 | bool nexthop_othervrf = false; |
43089216 | 7102 | vrf_id_t nexthop_vrfid = VRF_DEFAULT; |
4d97eea6 | 7103 | const char *nexthop_vrfname = VRF_DEFAULT_NAME; |
25b5da8d | 7104 | char *nexthop_fqdn = bgp_nexthop_fqdn(path->peer); |
d62a17ae | 7105 | |
7106 | if (json_paths) | |
7107 | json_path = json_object_new_object(); | |
7108 | ||
7109 | /* short status lead text */ | |
9b6d8fcf | 7110 | route_vty_short_status_out(vty, path, json_path); |
d62a17ae | 7111 | |
7112 | if (!json_paths) { | |
7113 | /* print prefix and mask */ | |
7114 | if (!display) | |
9c92b5f7 | 7115 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 7116 | else |
7117 | vty_out(vty, "%*s", 17, " "); | |
9c92b5f7 | 7118 | } else { |
b682f6de | 7119 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 7120 | } |
47fc97cc | 7121 | |
d62a17ae | 7122 | /* Print attribute */ |
9b6d8fcf | 7123 | attr = path->attr; |
445c2480 DS |
7124 | if (!attr) { |
7125 | if (json_paths) | |
7126 | json_object_array_add(json_paths, json_path); | |
7127 | else | |
7128 | vty_out(vty, "\n"); | |
d62a17ae | 7129 | |
445c2480 DS |
7130 | return; |
7131 | } | |
7132 | ||
9df8b37c PZ |
7133 | /* |
7134 | * If vrf id of nexthop is different from that of prefix, | |
7135 | * set up printable string to append | |
7136 | */ | |
9b6d8fcf | 7137 | if (path->extra && path->extra->bgp_orig) { |
9df8b37c PZ |
7138 | const char *self = ""; |
7139 | ||
7140 | if (nexthop_self) | |
7141 | self = "<"; | |
7142 | ||
7143 | nexthop_othervrf = true; | |
9b6d8fcf | 7144 | nexthop_vrfid = path->extra->bgp_orig->vrf_id; |
9df8b37c | 7145 | |
9b6d8fcf | 7146 | if (path->extra->bgp_orig->vrf_id == VRF_UNKNOWN) |
9df8b37c PZ |
7147 | snprintf(vrf_id_str, sizeof(vrf_id_str), |
7148 | "@%s%s", VRFID_NONE_STR, self); | |
7149 | else | |
7150 | snprintf(vrf_id_str, sizeof(vrf_id_str), "@%u%s", | |
9b6d8fcf | 7151 | path->extra->bgp_orig->vrf_id, self); |
9df8b37c | 7152 | |
9b6d8fcf DS |
7153 | if (path->extra->bgp_orig->inst_type |
7154 | != BGP_INSTANCE_TYPE_DEFAULT) | |
9df8b37c | 7155 | |
9b6d8fcf | 7156 | nexthop_vrfname = path->extra->bgp_orig->name; |
9df8b37c PZ |
7157 | } else { |
7158 | const char *self = ""; | |
7159 | ||
7160 | if (nexthop_self) | |
7161 | self = "<"; | |
7162 | ||
7163 | snprintf(vrf_id_str, sizeof(vrf_id_str), "%s", self); | |
7164 | } | |
7165 | ||
445c2480 DS |
7166 | /* |
7167 | * For ENCAP and EVPN routes, nexthop address family is not | |
7168 | * neccessarily the same as the prefix address family. | |
7169 | * Both SAFI_MPLS_VPN and SAFI_ENCAP use the MP nexthop field | |
7170 | * EVPN routes are also exchanged with a MP nexthop. Currently, | |
7171 | * this | |
7172 | * is only IPv4, the value will be present in either | |
7173 | * attr->nexthop or | |
7174 | * attr->mp_nexthop_global_in | |
7175 | */ | |
7176 | if ((safi == SAFI_ENCAP) || (safi == SAFI_MPLS_VPN)) { | |
7177 | char buf[BUFSIZ]; | |
7178 | char nexthop[128]; | |
7179 | int af = NEXTHOP_FAMILY(attr->mp_nexthop_len); | |
7180 | ||
7181 | switch (af) { | |
7182 | case AF_INET: | |
7183 | sprintf(nexthop, "%s", | |
a4d82a8a PZ |
7184 | inet_ntop(af, &attr->mp_nexthop_global_in, buf, |
7185 | BUFSIZ)); | |
445c2480 DS |
7186 | break; |
7187 | case AF_INET6: | |
7188 | sprintf(nexthop, "%s", | |
a4d82a8a PZ |
7189 | inet_ntop(af, &attr->mp_nexthop_global, buf, |
7190 | BUFSIZ)); | |
445c2480 DS |
7191 | break; |
7192 | default: | |
7193 | sprintf(nexthop, "?"); | |
7194 | break; | |
d62a17ae | 7195 | } |
d62a17ae | 7196 | |
445c2480 DS |
7197 | if (json_paths) { |
7198 | json_nexthop_global = json_object_new_object(); | |
7199 | ||
25b5da8d DA |
7200 | json_object_string_add( |
7201 | json_nexthop_global, "afi", | |
7202 | nexthop_fqdn ? "fqdn" | |
7203 | : (af == AF_INET) ? "ip" : "ipv6"); | |
7204 | json_object_string_add( | |
7205 | json_nexthop_global, | |
7206 | nexthop_fqdn ? "fqdn" | |
7207 | : (af == AF_INET) ? "ip" : "ipv6", | |
7208 | nexthop_fqdn ? nexthop_fqdn : nexthop); | |
445c2480 DS |
7209 | json_object_boolean_true_add(json_nexthop_global, |
7210 | "used"); | |
7211 | } else | |
25b5da8d DA |
7212 | vty_out(vty, "%s%s", |
7213 | nexthop_fqdn ? nexthop_fqdn : nexthop, | |
7214 | vrf_id_str); | |
445c2480 DS |
7215 | } else if (safi == SAFI_EVPN) { |
7216 | if (json_paths) { | |
7217 | json_nexthop_global = json_object_new_object(); | |
7218 | ||
25b5da8d DA |
7219 | json_object_string_add( |
7220 | json_nexthop_global, | |
7221 | nexthop_fqdn ? "fqdn" : "ip", | |
7222 | nexthop_fqdn ? nexthop_fqdn | |
7223 | : inet_ntoa(attr->nexthop)); | |
a4d82a8a PZ |
7224 | json_object_string_add(json_nexthop_global, "afi", |
7225 | "ipv4"); | |
445c2480 DS |
7226 | json_object_boolean_true_add(json_nexthop_global, |
7227 | "used"); | |
7228 | } else | |
25b5da8d DA |
7229 | vty_out(vty, "%-16s%s", |
7230 | nexthop_fqdn ?: inet_ntoa(attr->nexthop), | |
9df8b37c | 7231 | vrf_id_str); |
d33fc23b | 7232 | } else if (safi == SAFI_FLOWSPEC) { |
026b914a PG |
7233 | if (attr->nexthop.s_addr != 0) { |
7234 | if (json_paths) { | |
7235 | json_nexthop_global = json_object_new_object(); | |
7236 | json_object_string_add( | |
25b5da8d DA |
7237 | json_nexthop_global, |
7238 | nexthop_fqdn ? "fqdn" : "ip", | |
7239 | nexthop_fqdn | |
7240 | ? nexthop_fqdn | |
7241 | : inet_ntoa(attr->nexthop)); | |
026b914a PG |
7242 | json_object_string_add(json_nexthop_global, |
7243 | "afi", "ipv4"); | |
50e05855 AD |
7244 | json_object_boolean_true_add( |
7245 | json_nexthop_global, | |
026b914a PG |
7246 | "used"); |
7247 | } else { | |
25b5da8d DA |
7248 | vty_out(vty, "%-16s", |
7249 | nexthop_fqdn | |
7250 | ? nexthop_fqdn | |
7251 | : inet_ntoa(attr->nexthop)); | |
026b914a PG |
7252 | } |
7253 | } | |
d33fc23b | 7254 | } else if (p->family == AF_INET && !BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { |
445c2480 DS |
7255 | if (json_paths) { |
7256 | json_nexthop_global = json_object_new_object(); | |
d62a17ae | 7257 | |
a4d82a8a PZ |
7258 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_EVPN)) |
7259 | json_object_string_add( | |
25b5da8d DA |
7260 | json_nexthop_global, |
7261 | nexthop_fqdn ? "fqdn" : "ip", | |
7262 | nexthop_fqdn | |
7263 | ? nexthop_fqdn | |
7264 | : inet_ntoa( | |
7265 | attr->mp_nexthop_global_in)); | |
445c2480 | 7266 | else |
a4d82a8a | 7267 | json_object_string_add( |
25b5da8d DA |
7268 | json_nexthop_global, |
7269 | nexthop_fqdn ? "fqdn" : "ip", | |
7270 | nexthop_fqdn | |
7271 | ? nexthop_fqdn | |
7272 | : inet_ntoa(attr->nexthop)); | |
445c2480 | 7273 | |
a4d82a8a PZ |
7274 | json_object_string_add(json_nexthop_global, "afi", |
7275 | "ipv4"); | |
445c2480 DS |
7276 | json_object_boolean_true_add(json_nexthop_global, |
7277 | "used"); | |
7278 | } else { | |
9df8b37c PZ |
7279 | char buf[BUFSIZ]; |
7280 | ||
d87ff2dd | 7281 | snprintf(buf, sizeof(buf), "%s%s", |
25b5da8d DA |
7282 | nexthop_fqdn ? nexthop_fqdn |
7283 | : inet_ntoa(attr->nexthop), | |
7284 | vrf_id_str); | |
9df8b37c | 7285 | vty_out(vty, "%-16s", buf); |
d62a17ae | 7286 | } |
445c2480 | 7287 | } |
b05a1c8b | 7288 | |
445c2480 | 7289 | /* IPv6 Next Hop */ |
a4d82a8a | 7290 | else if (p->family == AF_INET6 || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { |
445c2480 DS |
7291 | int len; |
7292 | char buf[BUFSIZ]; | |
d62a17ae | 7293 | |
445c2480 DS |
7294 | if (json_paths) { |
7295 | json_nexthop_global = json_object_new_object(); | |
a4d82a8a | 7296 | json_object_string_add( |
25b5da8d DA |
7297 | json_nexthop_global, |
7298 | nexthop_fqdn ? "fqdn" : "ip", | |
7299 | nexthop_fqdn | |
7300 | ? nexthop_fqdn | |
7301 | : inet_ntop(AF_INET6, | |
7302 | &attr->mp_nexthop_global, | |
7303 | buf, BUFSIZ)); | |
a4d82a8a PZ |
7304 | json_object_string_add(json_nexthop_global, "afi", |
7305 | "ipv6"); | |
7306 | json_object_string_add(json_nexthop_global, "scope", | |
7307 | "global"); | |
445c2480 DS |
7308 | |
7309 | /* We display both LL & GL if both have been | |
7310 | * received */ | |
0606039c DA |
7311 | if ((attr->mp_nexthop_len |
7312 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) | |
9b6d8fcf | 7313 | || (path->peer->conf_if)) { |
a4d82a8a | 7314 | json_nexthop_ll = json_object_new_object(); |
d62a17ae | 7315 | json_object_string_add( |
25b5da8d DA |
7316 | json_nexthop_ll, |
7317 | nexthop_fqdn ? "fqdn" : "ip", | |
7318 | nexthop_fqdn | |
7319 | ? nexthop_fqdn | |
7320 | : inet_ntop( | |
7321 | AF_INET6, | |
7322 | &attr->mp_nexthop_local, | |
7323 | buf, BUFSIZ)); | |
a4d82a8a PZ |
7324 | json_object_string_add(json_nexthop_ll, "afi", |
7325 | "ipv6"); | |
7326 | json_object_string_add(json_nexthop_ll, "scope", | |
445c2480 | 7327 | "link-local"); |
d62a17ae | 7328 | |
a4d82a8a PZ |
7329 | if ((IPV6_ADDR_CMP(&attr->mp_nexthop_global, |
7330 | &attr->mp_nexthop_local) | |
445c2480 DS |
7331 | != 0) |
7332 | && !attr->mp_nexthop_prefer_global) | |
d62a17ae | 7333 | json_object_boolean_true_add( |
a4d82a8a | 7334 | json_nexthop_ll, "used"); |
445c2480 DS |
7335 | else |
7336 | json_object_boolean_true_add( | |
a4d82a8a | 7337 | json_nexthop_global, "used"); |
445c2480 DS |
7338 | } else |
7339 | json_object_boolean_true_add( | |
7340 | json_nexthop_global, "used"); | |
7341 | } else { | |
7342 | /* Display LL if LL/Global both in table unless | |
7343 | * prefer-global is set */ | |
0606039c DA |
7344 | if (((attr->mp_nexthop_len |
7345 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) | |
445c2480 | 7346 | && !attr->mp_nexthop_prefer_global) |
9b6d8fcf DS |
7347 | || (path->peer->conf_if)) { |
7348 | if (path->peer->conf_if) { | |
a4d82a8a | 7349 | len = vty_out(vty, "%s", |
9b6d8fcf | 7350 | path->peer->conf_if); |
445c2480 DS |
7351 | len = 16 - len; /* len of IPv6 |
7352 | addr + max | |
7353 | len of def | |
7354 | ifname */ | |
7355 | ||
7356 | if (len < 1) | |
a4d82a8a | 7357 | vty_out(vty, "\n%*s", 36, " "); |
445c2480 | 7358 | else |
a4d82a8a | 7359 | vty_out(vty, "%*s", len, " "); |
d62a17ae | 7360 | } else { |
7361 | len = vty_out( | |
9df8b37c | 7362 | vty, "%s%s", |
25b5da8d DA |
7363 | nexthop_fqdn |
7364 | ? nexthop_fqdn | |
7365 | : inet_ntop( | |
7366 | AF_INET6, | |
7367 | &attr->mp_nexthop_local, | |
7368 | buf, BUFSIZ), | |
9df8b37c | 7369 | vrf_id_str); |
d62a17ae | 7370 | len = 16 - len; |
7371 | ||
7372 | if (len < 1) | |
a4d82a8a | 7373 | vty_out(vty, "\n%*s", 36, " "); |
d62a17ae | 7374 | else |
a4d82a8a | 7375 | vty_out(vty, "%*s", len, " "); |
d62a17ae | 7376 | } |
445c2480 | 7377 | } else { |
a4d82a8a | 7378 | len = vty_out( |
9df8b37c | 7379 | vty, "%s%s", |
25b5da8d DA |
7380 | nexthop_fqdn |
7381 | ? nexthop_fqdn | |
7382 | : inet_ntop( | |
7383 | AF_INET6, | |
7384 | &attr->mp_nexthop_global, | |
7385 | buf, BUFSIZ), | |
7386 | vrf_id_str); | |
445c2480 DS |
7387 | len = 16 - len; |
7388 | ||
7389 | if (len < 1) | |
7390 | vty_out(vty, "\n%*s", 36, " "); | |
7391 | else | |
7392 | vty_out(vty, "%*s", len, " "); | |
d62a17ae | 7393 | } |
7394 | } | |
445c2480 | 7395 | } |
718e3744 | 7396 | |
445c2480 DS |
7397 | /* MED/Metric */ |
7398 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
50e05855 AD |
7399 | if (json_paths) { |
7400 | ||
7401 | /* | |
7402 | * Adding "metric" field to match with corresponding | |
7403 | * CLI. "med" will be deprecated in future. | |
7404 | */ | |
a4d82a8a | 7405 | json_object_int_add(json_path, "med", attr->med); |
50e05855 AD |
7406 | json_object_int_add(json_path, "metric", attr->med); |
7407 | } else | |
445c2480 DS |
7408 | vty_out(vty, "%10u", attr->med); |
7409 | else if (!json_paths) | |
7410 | vty_out(vty, " "); | |
d62a17ae | 7411 | |
445c2480 DS |
7412 | /* Local Pref */ |
7413 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) | |
50e05855 AD |
7414 | if (json_paths) { |
7415 | ||
7416 | /* | |
7417 | * Adding "locPrf" field to match with corresponding | |
7418 | * CLI. "localPref" will be deprecated in future. | |
7419 | */ | |
445c2480 DS |
7420 | json_object_int_add(json_path, "localpref", |
7421 | attr->local_pref); | |
50e05855 AD |
7422 | json_object_int_add(json_path, "locPrf", |
7423 | attr->local_pref); | |
7424 | } else | |
445c2480 DS |
7425 | vty_out(vty, "%7u", attr->local_pref); |
7426 | else if (!json_paths) | |
7427 | vty_out(vty, " "); | |
d62a17ae | 7428 | |
445c2480 DS |
7429 | if (json_paths) |
7430 | json_object_int_add(json_path, "weight", attr->weight); | |
7431 | else | |
7432 | vty_out(vty, "%7u ", attr->weight); | |
47fc97cc | 7433 | |
445c2480 DS |
7434 | if (json_paths) { |
7435 | char buf[BUFSIZ]; | |
a4d82a8a PZ |
7436 | json_object_string_add( |
7437 | json_path, "peerId", | |
9b6d8fcf | 7438 | sockunion2str(&path->peer->su, buf, SU_ADDRSTRLEN)); |
445c2480 | 7439 | } |
b05a1c8b | 7440 | |
445c2480 DS |
7441 | /* Print aspath */ |
7442 | if (attr->aspath) { | |
50e05855 AD |
7443 | if (json_paths) { |
7444 | ||
7445 | /* | |
7446 | * Adding "path" field to match with corresponding | |
7447 | * CLI. "aspath" will be deprecated in future. | |
7448 | */ | |
445c2480 DS |
7449 | json_object_string_add(json_path, "aspath", |
7450 | attr->aspath->str); | |
50e05855 AD |
7451 | json_object_string_add(json_path, "path", |
7452 | attr->aspath->str); | |
7453 | } else | |
445c2480 | 7454 | aspath_print_vty(vty, "%s", attr->aspath, " "); |
d62a17ae | 7455 | } |
f1aa5d8a | 7456 | |
445c2480 DS |
7457 | /* Print origin */ |
7458 | if (json_paths) | |
a4d82a8a PZ |
7459 | json_object_string_add(json_path, "origin", |
7460 | bgp_origin_long_str[attr->origin]); | |
445c2480 DS |
7461 | else |
7462 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
7463 | ||
9df8b37c | 7464 | if (json_paths) { |
6f214dd3 CS |
7465 | if (safi == SAFI_EVPN && |
7466 | attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
7467 | json_ext_community = json_object_new_object(); | |
7468 | json_object_string_add(json_ext_community, | |
7469 | "string", | |
7470 | attr->ecommunity->str); | |
7471 | json_object_object_add(json_path, | |
7472 | "extendedCommunity", | |
7473 | json_ext_community); | |
7474 | } | |
7475 | ||
9df8b37c PZ |
7476 | if (nexthop_self) |
7477 | json_object_boolean_true_add(json_path, | |
7478 | "announceNexthopSelf"); | |
7479 | if (nexthop_othervrf) { | |
7480 | json_object_string_add(json_path, "nhVrfName", | |
7481 | nexthop_vrfname); | |
7482 | ||
7483 | json_object_int_add(json_path, "nhVrfId", | |
7484 | ((nexthop_vrfid == VRF_UNKNOWN) | |
7485 | ? -1 | |
7486 | : (int)nexthop_vrfid)); | |
7487 | } | |
7488 | } | |
7489 | ||
d62a17ae | 7490 | if (json_paths) { |
7491 | if (json_nexthop_global || json_nexthop_ll) { | |
7492 | json_nexthops = json_object_new_array(); | |
f1aa5d8a | 7493 | |
d62a17ae | 7494 | if (json_nexthop_global) |
7495 | json_object_array_add(json_nexthops, | |
7496 | json_nexthop_global); | |
f1aa5d8a | 7497 | |
d62a17ae | 7498 | if (json_nexthop_ll) |
7499 | json_object_array_add(json_nexthops, | |
7500 | json_nexthop_ll); | |
f1aa5d8a | 7501 | |
d62a17ae | 7502 | json_object_object_add(json_path, "nexthops", |
7503 | json_nexthops); | |
7504 | } | |
7505 | ||
7506 | json_object_array_add(json_paths, json_path); | |
7507 | } else { | |
7508 | vty_out(vty, "\n"); | |
6f214dd3 CS |
7509 | |
7510 | if (safi == SAFI_EVPN && | |
7511 | attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
7512 | vty_out(vty, "%*s", 20, " "); | |
7513 | vty_out(vty, "%s\n", attr->ecommunity->str); | |
7514 | } | |
7515 | ||
65efcfce | 7516 | #if ENABLE_BGP_VNC |
d62a17ae | 7517 | /* prints an additional line, indented, with VNC info, if |
7518 | * present */ | |
7519 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP)) | |
9b6d8fcf | 7520 | rfapi_vty_out_vncinfo(vty, p, path, safi); |
65efcfce | 7521 | #endif |
d62a17ae | 7522 | } |
7523 | } | |
718e3744 | 7524 | |
7525 | /* called from terminal list command */ | |
d62a17ae | 7526 | void route_vty_out_tmp(struct vty *vty, struct prefix *p, struct attr *attr, |
9f049418 | 7527 | safi_t safi, bool use_json, json_object *json_ar) |
d62a17ae | 7528 | { |
7529 | json_object *json_status = NULL; | |
7530 | json_object *json_net = NULL; | |
7531 | char buff[BUFSIZ]; | |
50e05855 | 7532 | char buf2[BUFSIZ]; |
d62a17ae | 7533 | /* Route status display. */ |
7534 | if (use_json) { | |
7535 | json_status = json_object_new_object(); | |
7536 | json_net = json_object_new_object(); | |
7537 | } else { | |
7538 | vty_out(vty, "*"); | |
7539 | vty_out(vty, ">"); | |
7540 | vty_out(vty, " "); | |
7541 | } | |
718e3744 | 7542 | |
d62a17ae | 7543 | /* print prefix and mask */ |
50e05855 | 7544 | if (use_json) { |
d62a17ae | 7545 | json_object_string_add( |
7546 | json_net, "addrPrefix", | |
7547 | inet_ntop(p->family, &p->u.prefix, buff, BUFSIZ)); | |
50e05855 | 7548 | json_object_int_add(json_net, "prefixLen", p->prefixlen); |
37d4e0df | 7549 | prefix2str(p, buf2, PREFIX_STRLEN); |
50e05855 AD |
7550 | json_object_string_add(json_net, "network", buf2); |
7551 | } else | |
9c92b5f7 | 7552 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7553 | |
7554 | /* Print attribute */ | |
7555 | if (attr) { | |
7556 | if (use_json) { | |
7557 | if (p->family == AF_INET | |
7558 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7559 | || safi == SAFI_EVPN | |
7560 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
7561 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7562 | || safi == SAFI_EVPN) | |
7563 | json_object_string_add( | |
7564 | json_net, "nextHop", | |
7565 | inet_ntoa( | |
7566 | attr->mp_nexthop_global_in)); | |
7567 | else | |
7568 | json_object_string_add( | |
7569 | json_net, "nextHop", | |
7570 | inet_ntoa(attr->nexthop)); | |
7571 | } else if (p->family == AF_INET6 | |
7572 | || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { | |
7573 | char buf[BUFSIZ]; | |
7574 | ||
7575 | json_object_string_add( | |
aa0a10fc | 7576 | json_net, "nextHopGlobal", |
d62a17ae | 7577 | inet_ntop(AF_INET6, |
7578 | &attr->mp_nexthop_global, buf, | |
7579 | BUFSIZ)); | |
7580 | } | |
7581 | ||
7582 | if (attr->flag | |
7583 | & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
7584 | json_object_int_add(json_net, "metric", | |
7585 | attr->med); | |
7586 | ||
50e05855 AD |
7587 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) { |
7588 | ||
7589 | /* | |
7590 | * Adding "locPrf" field to match with | |
7591 | * corresponding CLI. "localPref" will be | |
7592 | * deprecated in future. | |
7593 | */ | |
d62a17ae | 7594 | json_object_int_add(json_net, "localPref", |
7595 | attr->local_pref); | |
50e05855 AD |
7596 | json_object_int_add(json_net, "locPrf", |
7597 | attr->local_pref); | |
7598 | } | |
d62a17ae | 7599 | |
7600 | json_object_int_add(json_net, "weight", attr->weight); | |
7601 | ||
7602 | /* Print aspath */ | |
50e05855 AD |
7603 | if (attr->aspath) { |
7604 | ||
7605 | /* | |
7606 | * Adding "path" field to match with | |
7607 | * corresponding CLI. "localPref" will be | |
7608 | * deprecated in future. | |
7609 | */ | |
d62a17ae | 7610 | json_object_string_add(json_net, "asPath", |
7611 | attr->aspath->str); | |
50e05855 AD |
7612 | json_object_string_add(json_net, "path", |
7613 | attr->aspath->str); | |
7614 | } | |
d62a17ae | 7615 | |
7616 | /* Print origin */ | |
7617 | json_object_string_add(json_net, "bgpOriginCode", | |
7618 | bgp_origin_str[attr->origin]); | |
7619 | } else { | |
7620 | if (p->family == AF_INET | |
7621 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7622 | || safi == SAFI_EVPN | |
7623 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
7624 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7625 | || safi == SAFI_EVPN) | |
7626 | vty_out(vty, "%-16s", | |
7627 | inet_ntoa( | |
7628 | attr->mp_nexthop_global_in)); | |
7629 | else | |
7630 | vty_out(vty, "%-16s", | |
7631 | inet_ntoa(attr->nexthop)); | |
7632 | } else if (p->family == AF_INET6 | |
7633 | || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { | |
7634 | int len; | |
7635 | char buf[BUFSIZ]; | |
7636 | ||
7637 | len = vty_out( | |
7638 | vty, "%s", | |
7639 | inet_ntop(AF_INET6, | |
7640 | &attr->mp_nexthop_global, buf, | |
7641 | BUFSIZ)); | |
7642 | len = 16 - len; | |
7643 | if (len < 1) | |
7644 | vty_out(vty, "\n%*s", 36, " "); | |
7645 | else | |
7646 | vty_out(vty, "%*s", len, " "); | |
7647 | } | |
7648 | if (attr->flag | |
7649 | & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
7650 | vty_out(vty, "%10u", attr->med); | |
7651 | else | |
7652 | vty_out(vty, " "); | |
718e3744 | 7653 | |
d62a17ae | 7654 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) |
7655 | vty_out(vty, "%7u", attr->local_pref); | |
7656 | else | |
7657 | vty_out(vty, " "); | |
7658 | ||
7659 | vty_out(vty, "%7u ", attr->weight); | |
7660 | ||
7661 | /* Print aspath */ | |
7662 | if (attr->aspath) | |
7663 | aspath_print_vty(vty, "%s", attr->aspath, " "); | |
7664 | ||
7665 | /* Print origin */ | |
7666 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
7667 | } | |
7668 | } | |
7669 | if (use_json) { | |
7670 | json_object_boolean_true_add(json_status, "*"); | |
7671 | json_object_boolean_true_add(json_status, ">"); | |
7672 | json_object_object_add(json_net, "appliedStatusSymbols", | |
7673 | json_status); | |
7674 | char buf_cut[BUFSIZ]; | |
1608ff77 SP |
7675 | |
7676 | prefix2str(p, buf_cut, PREFIX_STRLEN); | |
7677 | json_object_object_add(json_ar, buf_cut, json_net); | |
d62a17ae | 7678 | } else |
7679 | vty_out(vty, "\n"); | |
7680 | } | |
7681 | ||
7682 | void route_vty_out_tag(struct vty *vty, struct prefix *p, | |
9b6d8fcf | 7683 | struct bgp_path_info *path, int display, safi_t safi, |
d62a17ae | 7684 | json_object *json) |
7685 | { | |
7686 | json_object *json_out = NULL; | |
7687 | struct attr *attr; | |
7688 | mpls_label_t label = MPLS_INVALID_LABEL; | |
7689 | ||
9b6d8fcf | 7690 | if (!path->extra) |
d62a17ae | 7691 | return; |
7692 | ||
7693 | if (json) | |
7694 | json_out = json_object_new_object(); | |
7695 | ||
7696 | /* short status lead text */ | |
9b6d8fcf | 7697 | route_vty_short_status_out(vty, path, json_out); |
d62a17ae | 7698 | |
7699 | /* print prefix and mask */ | |
7700 | if (json == NULL) { | |
7701 | if (!display) | |
9c92b5f7 | 7702 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7703 | else |
7704 | vty_out(vty, "%*s", 17, " "); | |
7705 | } | |
7706 | ||
7707 | /* Print attribute */ | |
9b6d8fcf | 7708 | attr = path->attr; |
d62a17ae | 7709 | if (attr) { |
7710 | if (((p->family == AF_INET) | |
7711 | && ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP))) | |
a4d82a8a | 7712 | || (safi == SAFI_EVPN && !BGP_ATTR_NEXTHOP_AFI_IP6(attr)) |
d62a17ae | 7713 | || (!BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { |
7714 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7715 | || safi == SAFI_EVPN) { | |
7716 | if (json) | |
7717 | json_object_string_add( | |
7718 | json_out, "mpNexthopGlobalIn", | |
7719 | inet_ntoa( | |
7720 | attr->mp_nexthop_global_in)); | |
7721 | else | |
7722 | vty_out(vty, "%-16s", | |
7723 | inet_ntoa( | |
7724 | attr->mp_nexthop_global_in)); | |
7725 | } else { | |
7726 | if (json) | |
7727 | json_object_string_add( | |
7728 | json_out, "nexthop", | |
7729 | inet_ntoa(attr->nexthop)); | |
7730 | else | |
7731 | vty_out(vty, "%-16s", | |
7732 | inet_ntoa(attr->nexthop)); | |
7733 | } | |
7734 | } else if (((p->family == AF_INET6) | |
7735 | && ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP))) | |
b03b8898 | 7736 | || (safi == SAFI_EVPN |
d62a17ae | 7737 | && BGP_ATTR_NEXTHOP_AFI_IP6(attr)) |
7738 | || (BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
ff44f570 | 7739 | char buf_a[512]; |
d62a17ae | 7740 | if (attr->mp_nexthop_len |
7741 | == BGP_ATTR_NHLEN_IPV6_GLOBAL) { | |
7742 | if (json) | |
7743 | json_object_string_add( | |
7744 | json_out, "mpNexthopGlobalIn", | |
7745 | inet_ntop( | |
7746 | AF_INET6, | |
7747 | &attr->mp_nexthop_global, | |
11f9b450 | 7748 | buf_a, sizeof(buf_a))); |
d62a17ae | 7749 | else |
7750 | vty_out(vty, "%s", | |
7751 | inet_ntop( | |
7752 | AF_INET6, | |
7753 | &attr->mp_nexthop_global, | |
11f9b450 | 7754 | buf_a, sizeof(buf_a))); |
d62a17ae | 7755 | } else if (attr->mp_nexthop_len |
7756 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) { | |
899e4095 DL |
7757 | snprintfrr(buf_a, sizeof(buf_a), "%pI6(%pI6)", |
7758 | &attr->mp_nexthop_global, | |
7759 | &attr->mp_nexthop_local); | |
7760 | if (json) | |
d62a17ae | 7761 | json_object_string_add( |
7762 | json_out, | |
899e4095 DL |
7763 | "mpNexthopGlobalLocal", buf_a); |
7764 | else | |
7765 | vty_out(vty, "%s", buf_a); | |
d62a17ae | 7766 | } |
7767 | } | |
7768 | } | |
7769 | ||
9b6d8fcf | 7770 | label = decode_label(&path->extra->label[0]); |
d62a17ae | 7771 | |
7772 | if (bgp_is_valid_label(&label)) { | |
7773 | if (json) { | |
7774 | json_object_int_add(json_out, "notag", label); | |
7775 | json_object_array_add(json, json_out); | |
7776 | } else { | |
7777 | vty_out(vty, "notag/%d", label); | |
7778 | vty_out(vty, "\n"); | |
7779 | } | |
7780 | } | |
7781 | } | |
718e3744 | 7782 | |
d62a17ae | 7783 | void route_vty_out_overlay(struct vty *vty, struct prefix *p, |
9b6d8fcf | 7784 | struct bgp_path_info *path, int display, |
d62a17ae | 7785 | json_object *json_paths) |
718e3744 | 7786 | { |
d62a17ae | 7787 | struct attr *attr; |
14f51eba | 7788 | char buf[BUFSIZ] = {0}; |
d62a17ae | 7789 | json_object *json_path = NULL; |
14f51eba LK |
7790 | json_object *json_nexthop = NULL; |
7791 | json_object *json_overlay = NULL; | |
856ca177 | 7792 | |
9b6d8fcf | 7793 | if (!path->extra) |
d62a17ae | 7794 | return; |
718e3744 | 7795 | |
14f51eba LK |
7796 | if (json_paths) { |
7797 | json_path = json_object_new_object(); | |
7798 | json_overlay = json_object_new_object(); | |
7799 | json_nexthop = json_object_new_object(); | |
7800 | } | |
7801 | ||
d62a17ae | 7802 | /* short status lead text */ |
9b6d8fcf | 7803 | route_vty_short_status_out(vty, path, json_path); |
856ca177 | 7804 | |
d62a17ae | 7805 | /* print prefix and mask */ |
7806 | if (!display) | |
14f51eba | 7807 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 7808 | else |
7809 | vty_out(vty, "%*s", 17, " "); | |
7810 | ||
7811 | /* Print attribute */ | |
9b6d8fcf | 7812 | attr = path->attr; |
d62a17ae | 7813 | if (attr) { |
7814 | char buf1[BUFSIZ]; | |
7815 | int af = NEXTHOP_FAMILY(attr->mp_nexthop_len); | |
7816 | ||
7817 | switch (af) { | |
7818 | case AF_INET: | |
14f51eba LK |
7819 | inet_ntop(af, &attr->mp_nexthop_global_in, buf, BUFSIZ); |
7820 | if (!json_path) { | |
7821 | vty_out(vty, "%-16s", buf); | |
7822 | } else { | |
7823 | json_object_string_add(json_nexthop, "ip", buf); | |
7824 | ||
7825 | json_object_string_add(json_nexthop, "afi", | |
7826 | "ipv4"); | |
7827 | ||
7828 | json_object_object_add(json_path, "nexthop", | |
7829 | json_nexthop); | |
7830 | } | |
d62a17ae | 7831 | break; |
7832 | case AF_INET6: | |
14f51eba LK |
7833 | inet_ntop(af, &attr->mp_nexthop_global, buf, BUFSIZ); |
7834 | inet_ntop(af, &attr->mp_nexthop_local, buf1, BUFSIZ); | |
7835 | if (!json_path) { | |
7836 | vty_out(vty, "%s(%s)", buf, buf1); | |
7837 | } else { | |
7838 | json_object_string_add(json_nexthop, | |
7839 | "ipv6Global", buf); | |
7840 | ||
7841 | json_object_string_add(json_nexthop, | |
7842 | "ipv6LinkLocal", buf1); | |
7843 | ||
7844 | json_object_string_add(json_nexthop, "afi", | |
7845 | "ipv6"); | |
7846 | ||
7847 | json_object_object_add(json_path, "nexthop", | |
7848 | json_nexthop); | |
7849 | } | |
d62a17ae | 7850 | break; |
7851 | default: | |
14f51eba LK |
7852 | if (!json_path) { |
7853 | vty_out(vty, "?"); | |
7854 | } else { | |
7855 | json_object_string_add(json_nexthop, "Error", | |
7856 | "Unsupported address-family"); | |
7857 | } | |
d62a17ae | 7858 | } |
988258b4 QY |
7859 | |
7860 | char *str = esi2str(&(attr->evpn_overlay.eth_s_id)); | |
7861 | ||
14f51eba LK |
7862 | if (!json_path) |
7863 | vty_out(vty, "%s", str); | |
7864 | else | |
7865 | json_object_string_add(json_overlay, "esi", str); | |
25b5da8d | 7866 | |
988258b4 QY |
7867 | XFREE(MTYPE_TMP, str); |
7868 | ||
3714a385 | 7869 | if (is_evpn_prefix_ipaddr_v4((struct prefix_evpn *)p)) { |
14f51eba LK |
7870 | inet_ntop(AF_INET, &(attr->evpn_overlay.gw_ip.ipv4), |
7871 | buf, BUFSIZ); | |
3714a385 | 7872 | } else if (is_evpn_prefix_ipaddr_v6((struct prefix_evpn *)p)) { |
14f51eba LK |
7873 | inet_ntop(AF_INET6, &(attr->evpn_overlay.gw_ip.ipv6), |
7874 | buf, BUFSIZ); | |
988258b4 | 7875 | } |
14f51eba LK |
7876 | |
7877 | if (!json_path) | |
7878 | vty_out(vty, "/%s", buf); | |
7879 | else | |
7880 | json_object_string_add(json_overlay, "gw", buf); | |
7881 | ||
988258b4 QY |
7882 | if (attr->ecommunity) { |
7883 | char *mac = NULL; | |
7884 | struct ecommunity_val *routermac = ecommunity_lookup( | |
7885 | attr->ecommunity, ECOMMUNITY_ENCODE_EVPN, | |
7886 | ECOMMUNITY_EVPN_SUBTYPE_ROUTERMAC); | |
7887 | if (routermac) | |
7888 | mac = ecom_mac2str((char *)routermac->val); | |
7889 | if (mac) { | |
14f51eba LK |
7890 | if (!json_path) { |
7891 | vty_out(vty, "/%s", (char *)mac); | |
7892 | } else { | |
7893 | json_object_string_add(json_overlay, | |
7894 | "rmac", mac); | |
7895 | } | |
988258b4 QY |
7896 | XFREE(MTYPE_TMP, mac); |
7897 | } | |
7898 | } | |
718e3744 | 7899 | |
14f51eba LK |
7900 | if (!json_path) { |
7901 | vty_out(vty, "\n"); | |
7902 | } else { | |
7903 | json_object_object_add(json_path, "overlay", | |
7904 | json_overlay); | |
7905 | ||
7906 | json_object_array_add(json_paths, json_path); | |
7907 | } | |
7908 | } | |
d62a17ae | 7909 | } |
718e3744 | 7910 | |
d62a17ae | 7911 | /* dampening route */ |
7912 | static void damp_route_vty_out(struct vty *vty, struct prefix *p, | |
9b6d8fcf | 7913 | struct bgp_path_info *path, int display, |
4b7e6066 | 7914 | safi_t safi, bool use_json, json_object *json) |
d62a17ae | 7915 | { |
7916 | struct attr *attr; | |
7917 | int len; | |
7918 | char timebuf[BGP_UPTIME_LEN]; | |
7919 | ||
7920 | /* short status lead text */ | |
9b6d8fcf | 7921 | route_vty_short_status_out(vty, path, json); |
d62a17ae | 7922 | |
7923 | /* print prefix and mask */ | |
7924 | if (!use_json) { | |
7925 | if (!display) | |
9c92b5f7 | 7926 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7927 | else |
7928 | vty_out(vty, "%*s", 17, " "); | |
7929 | } | |
7930 | ||
9b6d8fcf | 7931 | len = vty_out(vty, "%s", path->peer->host); |
d62a17ae | 7932 | len = 17 - len; |
7933 | if (len < 1) { | |
7934 | if (!use_json) | |
7935 | vty_out(vty, "\n%*s", 34, " "); | |
7936 | } else { | |
7937 | if (use_json) | |
7938 | json_object_int_add(json, "peerHost", len); | |
7939 | else | |
7940 | vty_out(vty, "%*s", len, " "); | |
7941 | } | |
7942 | ||
7943 | if (use_json) | |
9b6d8fcf | 7944 | bgp_damp_reuse_time_vty(vty, path, timebuf, BGP_UPTIME_LEN, |
d62a17ae | 7945 | use_json, json); |
7946 | else | |
9b6d8fcf DS |
7947 | vty_out(vty, "%s ", |
7948 | bgp_damp_reuse_time_vty(vty, path, timebuf, | |
7949 | BGP_UPTIME_LEN, use_json, | |
7950 | json)); | |
d62a17ae | 7951 | |
7952 | /* Print attribute */ | |
9b6d8fcf | 7953 | attr = path->attr; |
d62a17ae | 7954 | if (attr) { |
7955 | /* Print aspath */ | |
7956 | if (attr->aspath) { | |
7957 | if (use_json) | |
7958 | json_object_string_add(json, "asPath", | |
7959 | attr->aspath->str); | |
7960 | else | |
7961 | aspath_print_vty(vty, "%s", attr->aspath, " "); | |
7962 | } | |
7963 | ||
7964 | /* Print origin */ | |
7965 | if (use_json) | |
7966 | json_object_string_add(json, "origin", | |
7967 | bgp_origin_str[attr->origin]); | |
7968 | else | |
7969 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
7970 | } | |
7971 | if (!use_json) | |
7972 | vty_out(vty, "\n"); | |
7973 | } | |
718e3744 | 7974 | |
d62a17ae | 7975 | /* flap route */ |
7976 | static void flap_route_vty_out(struct vty *vty, struct prefix *p, | |
9b6d8fcf | 7977 | struct bgp_path_info *path, int display, |
4b7e6066 | 7978 | safi_t safi, bool use_json, json_object *json) |
784d3a42 | 7979 | { |
d62a17ae | 7980 | struct attr *attr; |
7981 | struct bgp_damp_info *bdi; | |
7982 | char timebuf[BGP_UPTIME_LEN]; | |
7983 | int len; | |
784d3a42 | 7984 | |
9b6d8fcf | 7985 | if (!path->extra) |
d62a17ae | 7986 | return; |
784d3a42 | 7987 | |
9b6d8fcf | 7988 | bdi = path->extra->damp_info; |
784d3a42 | 7989 | |
d62a17ae | 7990 | /* short status lead text */ |
9b6d8fcf | 7991 | route_vty_short_status_out(vty, path, json); |
784d3a42 | 7992 | |
d62a17ae | 7993 | /* print prefix and mask */ |
7994 | if (!use_json) { | |
7995 | if (!display) | |
9c92b5f7 | 7996 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7997 | else |
7998 | vty_out(vty, "%*s", 17, " "); | |
7999 | } | |
784d3a42 | 8000 | |
9b6d8fcf | 8001 | len = vty_out(vty, "%s", path->peer->host); |
d62a17ae | 8002 | len = 16 - len; |
8003 | if (len < 1) { | |
8004 | if (!use_json) | |
8005 | vty_out(vty, "\n%*s", 33, " "); | |
8006 | } else { | |
8007 | if (use_json) | |
8008 | json_object_int_add(json, "peerHost", len); | |
8009 | else | |
8010 | vty_out(vty, "%*s", len, " "); | |
8011 | } | |
784d3a42 | 8012 | |
d62a17ae | 8013 | len = vty_out(vty, "%d", bdi->flap); |
8014 | len = 5 - len; | |
8015 | if (len < 1) { | |
8016 | if (!use_json) | |
8017 | vty_out(vty, " "); | |
8018 | } else { | |
8019 | if (use_json) | |
8020 | json_object_int_add(json, "bdiFlap", len); | |
8021 | else | |
8022 | vty_out(vty, "%*s", len, " "); | |
8023 | } | |
8024 | ||
8025 | if (use_json) | |
8026 | peer_uptime(bdi->start_time, timebuf, BGP_UPTIME_LEN, use_json, | |
8027 | json); | |
8028 | else | |
996c9314 LB |
8029 | vty_out(vty, "%s ", peer_uptime(bdi->start_time, timebuf, |
8030 | BGP_UPTIME_LEN, 0, NULL)); | |
d62a17ae | 8031 | |
9b6d8fcf DS |
8032 | if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED) |
8033 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { | |
d62a17ae | 8034 | if (use_json) |
9b6d8fcf | 8035 | bgp_damp_reuse_time_vty(vty, path, timebuf, |
d62a17ae | 8036 | BGP_UPTIME_LEN, use_json, json); |
8037 | else | |
8038 | vty_out(vty, "%s ", | |
9b6d8fcf | 8039 | bgp_damp_reuse_time_vty(vty, path, timebuf, |
d62a17ae | 8040 | BGP_UPTIME_LEN, |
8041 | use_json, json)); | |
8042 | } else { | |
8043 | if (!use_json) | |
8044 | vty_out(vty, "%*s ", 8, " "); | |
8045 | } | |
8046 | ||
8047 | /* Print attribute */ | |
9b6d8fcf | 8048 | attr = path->attr; |
d62a17ae | 8049 | if (attr) { |
8050 | /* Print aspath */ | |
8051 | if (attr->aspath) { | |
8052 | if (use_json) | |
8053 | json_object_string_add(json, "asPath", | |
8054 | attr->aspath->str); | |
8055 | else | |
8056 | aspath_print_vty(vty, "%s", attr->aspath, " "); | |
8057 | } | |
8058 | ||
8059 | /* Print origin */ | |
8060 | if (use_json) | |
8061 | json_object_string_add(json, "origin", | |
8062 | bgp_origin_str[attr->origin]); | |
8063 | else | |
8064 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
8065 | } | |
8066 | if (!use_json) | |
8067 | vty_out(vty, "\n"); | |
8068 | } | |
8069 | ||
8070 | static void route_vty_out_advertised_to(struct vty *vty, struct peer *peer, | |
8071 | int *first, const char *header, | |
8072 | json_object *json_adv_to) | |
8073 | { | |
8074 | char buf1[INET6_ADDRSTRLEN]; | |
8075 | json_object *json_peer = NULL; | |
8076 | ||
8077 | if (json_adv_to) { | |
8078 | /* 'advertised-to' is a dictionary of peers we have advertised | |
8079 | * this | |
8080 | * prefix too. The key is the peer's IP or swpX, the value is | |
8081 | * the | |
8082 | * hostname if we know it and "" if not. | |
8083 | */ | |
8084 | json_peer = json_object_new_object(); | |
8085 | ||
8086 | if (peer->hostname) | |
8087 | json_object_string_add(json_peer, "hostname", | |
8088 | peer->hostname); | |
8089 | ||
8090 | if (peer->conf_if) | |
8091 | json_object_object_add(json_adv_to, peer->conf_if, | |
8092 | json_peer); | |
8093 | else | |
8094 | json_object_object_add( | |
8095 | json_adv_to, | |
8096 | sockunion2str(&peer->su, buf1, SU_ADDRSTRLEN), | |
8097 | json_peer); | |
8098 | } else { | |
8099 | if (*first) { | |
8100 | vty_out(vty, "%s", header); | |
8101 | *first = 0; | |
8102 | } | |
8103 | ||
8104 | if (peer->hostname | |
8105 | && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME)) { | |
8106 | if (peer->conf_if) | |
8107 | vty_out(vty, " %s(%s)", peer->hostname, | |
8108 | peer->conf_if); | |
8109 | else | |
8110 | vty_out(vty, " %s(%s)", peer->hostname, | |
8111 | sockunion2str(&peer->su, buf1, | |
8112 | SU_ADDRSTRLEN)); | |
8113 | } else { | |
8114 | if (peer->conf_if) | |
8115 | vty_out(vty, " %s", peer->conf_if); | |
8116 | else | |
8117 | vty_out(vty, " %s", | |
8118 | sockunion2str(&peer->su, buf1, | |
8119 | SU_ADDRSTRLEN)); | |
8120 | } | |
8121 | } | |
784d3a42 PG |
8122 | } |
8123 | ||
dcc68b5e MS |
8124 | static void route_vty_out_tx_ids(struct vty *vty, |
8125 | struct bgp_addpath_info_data *d) | |
8126 | { | |
8127 | int i; | |
8128 | ||
8129 | for (i = 0; i < BGP_ADDPATH_MAX; i++) { | |
8130 | vty_out(vty, "TX-%s %u%s", bgp_addpath_names(i)->human_name, | |
8131 | d->addpath_tx_id[i], | |
8132 | i < BGP_ADDPATH_MAX - 1 ? " " : "\n"); | |
8133 | } | |
8134 | } | |
8135 | ||
0dc8ee70 DS |
8136 | static const char *bgp_path_selection_reason2str( |
8137 | enum bgp_path_selection_reason reason) | |
8138 | { | |
8139 | switch (reason) { | |
8140 | case bgp_path_selection_none: | |
8141 | return "Nothing to Select"; | |
8142 | break; | |
8143 | case bgp_path_selection_first: | |
8144 | return "First path received"; | |
8145 | break; | |
8146 | case bgp_path_selection_evpn_sticky_mac: | |
8147 | return "EVPN Sticky Mac"; | |
8148 | break; | |
8149 | case bgp_path_selection_evpn_seq: | |
8150 | return "EVPN sequence number"; | |
8151 | break; | |
8152 | case bgp_path_selection_evpn_lower_ip: | |
8153 | return "EVPN lower IP"; | |
8154 | break; | |
8155 | case bgp_path_selection_weight: | |
8156 | return "Weight"; | |
8157 | break; | |
8158 | case bgp_path_selection_local_pref: | |
8159 | return "Local Pref"; | |
8160 | break; | |
8161 | case bgp_path_selection_local_route: | |
8162 | return "Local Route"; | |
8163 | break; | |
8164 | case bgp_path_selection_confed_as_path: | |
8165 | return "Confederation based AS Path"; | |
8166 | break; | |
8167 | case bgp_path_selection_as_path: | |
8168 | return "AS Path"; | |
8169 | break; | |
8170 | case bgp_path_selection_origin: | |
8171 | return "Origin"; | |
8172 | break; | |
8173 | case bgp_path_selection_med: | |
8174 | return "MED"; | |
8175 | break; | |
8176 | case bgp_path_selection_peer: | |
8177 | return "Peer Type"; | |
8178 | break; | |
8179 | case bgp_path_selection_confed: | |
8180 | return "Confed Peer Type"; | |
8181 | break; | |
8182 | case bgp_path_selection_igp_metric: | |
8183 | return "IGP Metric"; | |
8184 | break; | |
8185 | case bgp_path_selection_older: | |
8186 | return "Older Path"; | |
8187 | break; | |
8188 | case bgp_path_selection_router_id: | |
8189 | return "Router ID"; | |
8190 | break; | |
8191 | case bgp_path_selection_cluster_length: | |
8192 | return "Cluser length"; | |
8193 | break; | |
8194 | case bgp_path_selection_stale: | |
8195 | return "Path Staleness"; | |
8196 | break; | |
8197 | case bgp_path_selection_local_configured: | |
8198 | return "Locally configured route"; | |
8199 | break; | |
8200 | case bgp_path_selection_neighbor_ip: | |
8201 | return "Neighbor IP"; | |
8202 | break; | |
8203 | case bgp_path_selection_default: | |
8204 | return "Nothing left to compare"; | |
8205 | break; | |
8206 | } | |
a74879b2 | 8207 | return "Invalid (internal error)"; |
0dc8ee70 DS |
8208 | } |
8209 | ||
f08b5ca0 DS |
8210 | void route_vty_out_detail(struct vty *vty, struct bgp *bgp, |
8211 | struct bgp_node *bn, struct bgp_path_info *path, | |
8212 | afi_t afi, safi_t safi, json_object *json_paths) | |
d62a17ae | 8213 | { |
8214 | char buf[INET6_ADDRSTRLEN]; | |
8215 | char buf1[BUFSIZ]; | |
d62a17ae | 8216 | char buf2[EVPN_ROUTE_STRLEN]; |
d62a17ae | 8217 | struct attr *attr; |
8218 | int sockunion_vty_out(struct vty *, union sockunion *); | |
8219 | time_t tbuf; | |
8220 | json_object *json_bestpath = NULL; | |
8221 | json_object *json_cluster_list = NULL; | |
8222 | json_object *json_cluster_list_list = NULL; | |
8223 | json_object *json_ext_community = NULL; | |
8224 | json_object *json_last_update = NULL; | |
7fd077aa | 8225 | json_object *json_pmsi = NULL; |
d62a17ae | 8226 | json_object *json_nexthop_global = NULL; |
8227 | json_object *json_nexthop_ll = NULL; | |
8228 | json_object *json_nexthops = NULL; | |
8229 | json_object *json_path = NULL; | |
8230 | json_object *json_peer = NULL; | |
8231 | json_object *json_string = NULL; | |
8232 | json_object *json_adv_to = NULL; | |
8233 | int first = 0; | |
8234 | struct listnode *node, *nnode; | |
8235 | struct peer *peer; | |
8236 | int addpath_capable; | |
8237 | int has_adj; | |
8238 | unsigned int first_as; | |
1defdda8 | 8239 | bool nexthop_self = |
9b6d8fcf | 8240 | CHECK_FLAG(path->flags, BGP_PATH_ANNC_NH_SELF) ? true : false; |
dcc68b5e | 8241 | int i; |
25b5da8d | 8242 | char *nexthop_fqdn = bgp_nexthop_fqdn(path->peer); |
d62a17ae | 8243 | |
8244 | if (json_paths) { | |
8245 | json_path = json_object_new_object(); | |
8246 | json_peer = json_object_new_object(); | |
8247 | json_nexthop_global = json_object_new_object(); | |
8248 | } | |
8249 | ||
d7325ee7 | 8250 | if (!json_paths && path->extra) { |
b57ba6d2 | 8251 | char tag_buf[30]; |
d62a17ae | 8252 | |
d7325ee7 | 8253 | buf2[0] = '\0'; |
d62a17ae | 8254 | tag_buf[0] = '\0'; |
9b6d8fcf DS |
8255 | if (path->extra && path->extra->num_labels) { |
8256 | bgp_evpn_label2str(path->extra->label, | |
8257 | path->extra->num_labels, tag_buf, | |
a4d82a8a | 8258 | sizeof(tag_buf)); |
d62a17ae | 8259 | } |
d7325ee7 DD |
8260 | if (safi == SAFI_EVPN) { |
8261 | bgp_evpn_route2str((struct prefix_evpn *)&bn->p, | |
8262 | buf2, sizeof(buf2)); | |
8263 | vty_out(vty, " Route %s", buf2); | |
8264 | if (tag_buf[0] != '\0') | |
8265 | vty_out(vty, " VNI %s", tag_buf); | |
8266 | vty_out(vty, "\n"); | |
8267 | } | |
8268 | ||
9b6d8fcf | 8269 | if (path->extra && path->extra->parent) { |
4b7e6066 | 8270 | struct bgp_path_info *parent_ri; |
d62a17ae | 8271 | struct bgp_node *rn, *prn; |
8272 | ||
9b6d8fcf | 8273 | parent_ri = (struct bgp_path_info *)path->extra->parent; |
d62a17ae | 8274 | rn = parent_ri->net; |
8275 | if (rn && rn->prn) { | |
8276 | prn = rn->prn; | |
d7325ee7 DD |
8277 | prefix_rd2str((struct prefix_rd *)&prn->p, |
8278 | buf1, sizeof(buf1)); | |
8279 | if (is_pi_family_evpn(parent_ri)) { | |
8280 | bgp_evpn_route2str((struct prefix_evpn *)&rn->p, | |
8281 | buf2, sizeof(buf2)); | |
8282 | vty_out(vty, " Imported from %s:%s, VNI %s\n", buf1, buf2, tag_buf); | |
8283 | } else | |
8284 | vty_out(vty, " Imported from %s:%s\n", buf1, buf2); | |
d62a17ae | 8285 | } |
8286 | } | |
8287 | } | |
d62a17ae | 8288 | |
9b6d8fcf | 8289 | attr = path->attr; |
d62a17ae | 8290 | |
8291 | if (attr) { | |
8292 | /* Line1 display AS-path, Aggregator */ | |
8293 | if (attr->aspath) { | |
8294 | if (json_paths) { | |
68e1a55b DS |
8295 | if (!attr->aspath->json) |
8296 | aspath_str_update(attr->aspath, true); | |
d62a17ae | 8297 | json_object_lock(attr->aspath->json); |
8298 | json_object_object_add(json_path, "aspath", | |
8299 | attr->aspath->json); | |
8300 | } else { | |
8301 | if (attr->aspath->segments) | |
8302 | aspath_print_vty(vty, " %s", | |
8303 | attr->aspath, ""); | |
8304 | else | |
8305 | vty_out(vty, " Local"); | |
8306 | } | |
8307 | } | |
8308 | ||
9b6d8fcf | 8309 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) { |
d62a17ae | 8310 | if (json_paths) |
8311 | json_object_boolean_true_add(json_path, | |
8312 | "removed"); | |
8313 | else | |
8314 | vty_out(vty, ", (removed)"); | |
8315 | } | |
8316 | ||
9b6d8fcf | 8317 | if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) { |
d62a17ae | 8318 | if (json_paths) |
8319 | json_object_boolean_true_add(json_path, | |
8320 | "stale"); | |
8321 | else | |
8322 | vty_out(vty, ", (stale)"); | |
8323 | } | |
8324 | ||
8325 | if (CHECK_FLAG(attr->flag, | |
8326 | ATTR_FLAG_BIT(BGP_ATTR_AGGREGATOR))) { | |
8327 | if (json_paths) { | |
8328 | json_object_int_add(json_path, "aggregatorAs", | |
8329 | attr->aggregator_as); | |
8330 | json_object_string_add( | |
8331 | json_path, "aggregatorId", | |
8332 | inet_ntoa(attr->aggregator_addr)); | |
8333 | } else { | |
8334 | vty_out(vty, ", (aggregated by %u %s)", | |
8335 | attr->aggregator_as, | |
8336 | inet_ntoa(attr->aggregator_addr)); | |
8337 | } | |
8338 | } | |
8339 | ||
9b6d8fcf | 8340 | if (CHECK_FLAG(path->peer->af_flags[afi][safi], |
d62a17ae | 8341 | PEER_FLAG_REFLECTOR_CLIENT)) { |
8342 | if (json_paths) | |
8343 | json_object_boolean_true_add( | |
8344 | json_path, "rxedFromRrClient"); | |
8345 | else | |
8346 | vty_out(vty, ", (Received from a RR-client)"); | |
8347 | } | |
8348 | ||
9b6d8fcf | 8349 | if (CHECK_FLAG(path->peer->af_flags[afi][safi], |
d62a17ae | 8350 | PEER_FLAG_RSERVER_CLIENT)) { |
8351 | if (json_paths) | |
8352 | json_object_boolean_true_add( | |
8353 | json_path, "rxedFromRsClient"); | |
8354 | else | |
8355 | vty_out(vty, ", (Received from a RS-client)"); | |
8356 | } | |
8357 | ||
9b6d8fcf | 8358 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { |
d62a17ae | 8359 | if (json_paths) |
8360 | json_object_boolean_true_add( | |
8361 | json_path, "dampeningHistoryEntry"); | |
8362 | else | |
8363 | vty_out(vty, ", (history entry)"); | |
9b6d8fcf | 8364 | } else if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) { |
d62a17ae | 8365 | if (json_paths) |
8366 | json_object_boolean_true_add( | |
8367 | json_path, "dampeningSuppressed"); | |
8368 | else | |
8369 | vty_out(vty, ", (suppressed due to dampening)"); | |
8370 | } | |
8371 | ||
8372 | if (!json_paths) | |
8373 | vty_out(vty, "\n"); | |
8374 | ||
8375 | /* Line2 display Next-hop, Neighbor, Router-id */ | |
8376 | /* Display the nexthop */ | |
f08b5ca0 DS |
8377 | if ((bn->p.family == AF_INET || bn->p.family == AF_ETHERNET |
8378 | || bn->p.family == AF_EVPN) | |
d62a17ae | 8379 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP |
8380 | || safi == SAFI_EVPN | |
8381 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
8382 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
8383 | || safi == SAFI_EVPN) { | |
8384 | if (json_paths) | |
8385 | json_object_string_add( | |
25b5da8d DA |
8386 | json_nexthop_global, |
8387 | nexthop_fqdn ? "fqdn" : "ip", | |
8388 | nexthop_fqdn | |
8389 | ? nexthop_fqdn | |
8390 | : inet_ntoa( | |
8391 | attr->mp_nexthop_global_in)); | |
d62a17ae | 8392 | else |
8393 | vty_out(vty, " %s", | |
25b5da8d DA |
8394 | nexthop_fqdn |
8395 | ? nexthop_fqdn | |
8396 | : inet_ntoa( | |
8397 | attr->mp_nexthop_global_in)); | |
d62a17ae | 8398 | } else { |
8399 | if (json_paths) | |
8400 | json_object_string_add( | |
25b5da8d DA |
8401 | json_nexthop_global, |
8402 | nexthop_fqdn ? "fqdn" : "ip", | |
8403 | nexthop_fqdn | |
8404 | ? nexthop_fqdn | |
8405 | : inet_ntoa( | |
8406 | attr->nexthop)); | |
d62a17ae | 8407 | else |
8408 | vty_out(vty, " %s", | |
25b5da8d DA |
8409 | nexthop_fqdn |
8410 | ? nexthop_fqdn | |
8411 | : inet_ntoa( | |
8412 | attr->nexthop)); | |
d62a17ae | 8413 | } |
8414 | ||
8415 | if (json_paths) | |
8416 | json_object_string_add(json_nexthop_global, | |
8417 | "afi", "ipv4"); | |
8418 | } else { | |
8419 | if (json_paths) { | |
8420 | json_object_string_add( | |
25b5da8d DA |
8421 | json_nexthop_global, |
8422 | nexthop_fqdn ? "fqdn" : "ip", | |
8423 | nexthop_fqdn | |
8424 | ? nexthop_fqdn | |
8425 | : inet_ntop( | |
8426 | AF_INET6, | |
8427 | &attr->mp_nexthop_global, | |
8428 | buf, | |
8429 | INET6_ADDRSTRLEN)); | |
d62a17ae | 8430 | json_object_string_add(json_nexthop_global, |
8431 | "afi", "ipv6"); | |
8432 | json_object_string_add(json_nexthop_global, | |
8433 | "scope", "global"); | |
8434 | } else { | |
8435 | vty_out(vty, " %s", | |
25b5da8d DA |
8436 | nexthop_fqdn |
8437 | ? nexthop_fqdn | |
8438 | : inet_ntop( | |
8439 | AF_INET6, | |
8440 | &attr->mp_nexthop_global, | |
8441 | buf, | |
8442 | INET6_ADDRSTRLEN)); | |
d62a17ae | 8443 | } |
8444 | } | |
8445 | ||
8446 | /* Display the IGP cost or 'inaccessible' */ | |
9b6d8fcf | 8447 | if (!CHECK_FLAG(path->flags, BGP_PATH_VALID)) { |
d62a17ae | 8448 | if (json_paths) |
8449 | json_object_boolean_false_add( | |
8450 | json_nexthop_global, "accessible"); | |
8451 | else | |
8452 | vty_out(vty, " (inaccessible)"); | |
8453 | } else { | |
9b6d8fcf | 8454 | if (path->extra && path->extra->igpmetric) { |
d62a17ae | 8455 | if (json_paths) |
8456 | json_object_int_add( | |
8457 | json_nexthop_global, "metric", | |
9b6d8fcf | 8458 | path->extra->igpmetric); |
d62a17ae | 8459 | else |
8460 | vty_out(vty, " (metric %u)", | |
9b6d8fcf | 8461 | path->extra->igpmetric); |
d62a17ae | 8462 | } |
8463 | ||
8464 | /* IGP cost is 0, display this only for json */ | |
8465 | else { | |
8466 | if (json_paths) | |
8467 | json_object_int_add(json_nexthop_global, | |
8468 | "metric", 0); | |
8469 | } | |
8470 | ||
8471 | if (json_paths) | |
8472 | json_object_boolean_true_add( | |
8473 | json_nexthop_global, "accessible"); | |
8474 | } | |
8475 | ||
8476 | /* Display peer "from" output */ | |
8477 | /* This path was originated locally */ | |
9b6d8fcf | 8478 | if (path->peer == bgp->peer_self) { |
d62a17ae | 8479 | |
8480 | if (safi == SAFI_EVPN | |
f08b5ca0 | 8481 | || (bn->p.family == AF_INET |
d62a17ae | 8482 | && !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { |
8483 | if (json_paths) | |
8484 | json_object_string_add( | |
8485 | json_peer, "peerId", "0.0.0.0"); | |
8486 | else | |
8487 | vty_out(vty, " from 0.0.0.0 "); | |
8488 | } else { | |
8489 | if (json_paths) | |
8490 | json_object_string_add(json_peer, | |
8491 | "peerId", "::"); | |
8492 | else | |
8493 | vty_out(vty, " from :: "); | |
8494 | } | |
8495 | ||
8496 | if (json_paths) | |
8497 | json_object_string_add( | |
8498 | json_peer, "routerId", | |
8499 | inet_ntoa(bgp->router_id)); | |
8500 | else | |
8501 | vty_out(vty, "(%s)", inet_ntoa(bgp->router_id)); | |
8502 | } | |
8503 | ||
8504 | /* We RXed this path from one of our peers */ | |
8505 | else { | |
8506 | ||
8507 | if (json_paths) { | |
8508 | json_object_string_add( | |
8509 | json_peer, "peerId", | |
9b6d8fcf | 8510 | sockunion2str(&path->peer->su, buf, |
d62a17ae | 8511 | SU_ADDRSTRLEN)); |
8512 | json_object_string_add( | |
8513 | json_peer, "routerId", | |
8514 | inet_ntop(AF_INET, | |
9b6d8fcf | 8515 | &path->peer->remote_id, buf1, |
06b9f471 | 8516 | sizeof(buf1))); |
d62a17ae | 8517 | |
9b6d8fcf | 8518 | if (path->peer->hostname) |
d62a17ae | 8519 | json_object_string_add( |
8520 | json_peer, "hostname", | |
9b6d8fcf | 8521 | path->peer->hostname); |
d62a17ae | 8522 | |
9b6d8fcf | 8523 | if (path->peer->domainname) |
d62a17ae | 8524 | json_object_string_add( |
8525 | json_peer, "domainname", | |
9b6d8fcf | 8526 | path->peer->domainname); |
d62a17ae | 8527 | |
9b6d8fcf | 8528 | if (path->peer->conf_if) |
d62a17ae | 8529 | json_object_string_add( |
8530 | json_peer, "interface", | |
9b6d8fcf | 8531 | path->peer->conf_if); |
d62a17ae | 8532 | } else { |
9b6d8fcf DS |
8533 | if (path->peer->conf_if) { |
8534 | if (path->peer->hostname | |
d62a17ae | 8535 | && bgp_flag_check( |
9b6d8fcf | 8536 | path->peer->bgp, |
d62a17ae | 8537 | BGP_FLAG_SHOW_HOSTNAME)) |
8538 | vty_out(vty, " from %s(%s)", | |
9b6d8fcf DS |
8539 | path->peer->hostname, |
8540 | path->peer->conf_if); | |
d62a17ae | 8541 | else |
8542 | vty_out(vty, " from %s", | |
9b6d8fcf | 8543 | path->peer->conf_if); |
d62a17ae | 8544 | } else { |
9b6d8fcf | 8545 | if (path->peer->hostname |
d62a17ae | 8546 | && bgp_flag_check( |
9b6d8fcf | 8547 | path->peer->bgp, |
d62a17ae | 8548 | BGP_FLAG_SHOW_HOSTNAME)) |
8549 | vty_out(vty, " from %s(%s)", | |
9b6d8fcf DS |
8550 | path->peer->hostname, |
8551 | path->peer->host); | |
d62a17ae | 8552 | else |
8553 | vty_out(vty, " from %s", | |
8554 | sockunion2str( | |
9b6d8fcf | 8555 | &path->peer->su, |
d62a17ae | 8556 | buf, |
8557 | SU_ADDRSTRLEN)); | |
8558 | } | |
8559 | ||
8560 | if (attr->flag | |
8561 | & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) | |
8562 | vty_out(vty, " (%s)", | |
8563 | inet_ntoa(attr->originator_id)); | |
8564 | else | |
8565 | vty_out(vty, " (%s)", | |
8566 | inet_ntop( | |
8567 | AF_INET, | |
9b6d8fcf | 8568 | &path->peer->remote_id, |
06b9f471 | 8569 | buf1, sizeof(buf1))); |
d62a17ae | 8570 | } |
8571 | } | |
8572 | ||
9df8b37c PZ |
8573 | /* |
8574 | * Note when vrfid of nexthop is different from that of prefix | |
8575 | */ | |
9b6d8fcf DS |
8576 | if (path->extra && path->extra->bgp_orig) { |
8577 | vrf_id_t nexthop_vrfid = path->extra->bgp_orig->vrf_id; | |
9df8b37c PZ |
8578 | |
8579 | if (json_paths) { | |
8580 | const char *vn; | |
8581 | ||
9b6d8fcf DS |
8582 | if (path->extra->bgp_orig->inst_type |
8583 | == BGP_INSTANCE_TYPE_DEFAULT) | |
9df8b37c | 8584 | |
03a6facf | 8585 | vn = VRF_DEFAULT_NAME; |
9df8b37c | 8586 | else |
9b6d8fcf | 8587 | vn = path->extra->bgp_orig->name; |
9df8b37c PZ |
8588 | |
8589 | json_object_string_add(json_path, "nhVrfName", | |
8590 | vn); | |
8591 | ||
8592 | if (nexthop_vrfid == VRF_UNKNOWN) { | |
8593 | json_object_int_add(json_path, | |
8594 | "nhVrfId", -1); | |
8595 | } else { | |
8596 | json_object_int_add(json_path, | |
8597 | "nhVrfId", (int)nexthop_vrfid); | |
8598 | } | |
8599 | } else { | |
8600 | if (nexthop_vrfid == VRF_UNKNOWN) | |
8601 | vty_out(vty, " vrf ?"); | |
8602 | else | |
8603 | vty_out(vty, " vrf %u", nexthop_vrfid); | |
8604 | } | |
8605 | } | |
8606 | ||
8607 | if (nexthop_self) { | |
8608 | if (json_paths) { | |
8609 | json_object_boolean_true_add(json_path, | |
8610 | "announceNexthopSelf"); | |
8611 | } else { | |
8612 | vty_out(vty, " announce-nh-self"); | |
8613 | } | |
8614 | } | |
8615 | ||
d62a17ae | 8616 | if (!json_paths) |
8617 | vty_out(vty, "\n"); | |
8618 | ||
8619 | /* display the link-local nexthop */ | |
8620 | if (attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) { | |
8621 | if (json_paths) { | |
8622 | json_nexthop_ll = json_object_new_object(); | |
8623 | json_object_string_add( | |
25b5da8d DA |
8624 | json_nexthop_ll, |
8625 | nexthop_fqdn ? "fqdn" : "ip", | |
8626 | nexthop_fqdn | |
8627 | ? nexthop_fqdn | |
8628 | : inet_ntop( | |
8629 | AF_INET6, | |
8630 | &attr->mp_nexthop_local, | |
8631 | buf, | |
8632 | INET6_ADDRSTRLEN)); | |
d62a17ae | 8633 | json_object_string_add(json_nexthop_ll, "afi", |
8634 | "ipv6"); | |
8635 | json_object_string_add(json_nexthop_ll, "scope", | |
8636 | "link-local"); | |
8637 | ||
8638 | json_object_boolean_true_add(json_nexthop_ll, | |
8639 | "accessible"); | |
8640 | ||
8641 | if (!attr->mp_nexthop_prefer_global) | |
8642 | json_object_boolean_true_add( | |
8643 | json_nexthop_ll, "used"); | |
8644 | else | |
8645 | json_object_boolean_true_add( | |
8646 | json_nexthop_global, "used"); | |
8647 | } else { | |
8648 | vty_out(vty, " (%s) %s\n", | |
8649 | inet_ntop(AF_INET6, | |
8650 | &attr->mp_nexthop_local, buf, | |
8651 | INET6_ADDRSTRLEN), | |
8652 | attr->mp_nexthop_prefer_global | |
8653 | ? "(prefer-global)" | |
8654 | : "(used)"); | |
8655 | } | |
8656 | } | |
8657 | /* If we do not have a link-local nexthop then we must flag the | |
8658 | global as "used" */ | |
8659 | else { | |
8660 | if (json_paths) | |
8661 | json_object_boolean_true_add( | |
8662 | json_nexthop_global, "used"); | |
8663 | } | |
718e3744 | 8664 | |
d62a17ae | 8665 | /* Line 3 display Origin, Med, Locpref, Weight, Tag, valid, |
8666 | * Int/Ext/Local, Atomic, best */ | |
8667 | if (json_paths) | |
8668 | json_object_string_add( | |
8669 | json_path, "origin", | |
8670 | bgp_origin_long_str[attr->origin]); | |
8671 | else | |
8672 | vty_out(vty, " Origin %s", | |
8673 | bgp_origin_long_str[attr->origin]); | |
8674 | ||
8675 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) { | |
50e05855 AD |
8676 | if (json_paths) { |
8677 | ||
8678 | /* | |
8679 | * Adding "metric" field to match with | |
8680 | * corresponding CLI. "med" will be | |
8681 | * deprecated in future. | |
8682 | */ | |
d62a17ae | 8683 | json_object_int_add(json_path, "med", |
8684 | attr->med); | |
50e05855 AD |
8685 | json_object_int_add(json_path, "metric", |
8686 | attr->med); | |
8687 | } else | |
d62a17ae | 8688 | vty_out(vty, ", metric %u", attr->med); |
8689 | } | |
718e3744 | 8690 | |
d62a17ae | 8691 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) { |
8692 | if (json_paths) | |
8693 | json_object_int_add(json_path, "localpref", | |
8694 | attr->local_pref); | |
8695 | else | |
8696 | vty_out(vty, ", localpref %u", | |
8697 | attr->local_pref); | |
d62a17ae | 8698 | } |
718e3744 | 8699 | |
d62a17ae | 8700 | if (attr->weight != 0) { |
8701 | if (json_paths) | |
8702 | json_object_int_add(json_path, "weight", | |
8703 | attr->weight); | |
8704 | else | |
8705 | vty_out(vty, ", weight %u", attr->weight); | |
8706 | } | |
718e3744 | 8707 | |
d62a17ae | 8708 | if (attr->tag != 0) { |
8709 | if (json_paths) | |
8710 | json_object_int_add(json_path, "tag", | |
8711 | attr->tag); | |
8712 | else | |
8713 | vty_out(vty, ", tag %" ROUTE_TAG_PRI, | |
8714 | attr->tag); | |
8715 | } | |
718e3744 | 8716 | |
9b6d8fcf | 8717 | if (!CHECK_FLAG(path->flags, BGP_PATH_VALID)) { |
d62a17ae | 8718 | if (json_paths) |
8719 | json_object_boolean_false_add(json_path, | |
8720 | "valid"); | |
8721 | else | |
8722 | vty_out(vty, ", invalid"); | |
9b6d8fcf | 8723 | } else if (!CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { |
d62a17ae | 8724 | if (json_paths) |
8725 | json_object_boolean_true_add(json_path, | |
8726 | "valid"); | |
8727 | else | |
8728 | vty_out(vty, ", valid"); | |
8729 | } | |
718e3744 | 8730 | |
9b6d8fcf DS |
8731 | if (path->peer != bgp->peer_self) { |
8732 | if (path->peer->as == path->peer->local_as) { | |
d62a17ae | 8733 | if (CHECK_FLAG(bgp->config, |
8734 | BGP_CONFIG_CONFEDERATION)) { | |
8735 | if (json_paths) | |
8736 | json_object_string_add( | |
8737 | json_peer, "type", | |
8738 | "confed-internal"); | |
8739 | else | |
8740 | vty_out(vty, | |
8741 | ", confed-internal"); | |
8742 | } else { | |
8743 | if (json_paths) | |
8744 | json_object_string_add( | |
8745 | json_peer, "type", | |
8746 | "internal"); | |
8747 | else | |
8748 | vty_out(vty, ", internal"); | |
8749 | } | |
8750 | } else { | |
8751 | if (bgp_confederation_peers_check( | |
9b6d8fcf | 8752 | bgp, path->peer->as)) { |
d62a17ae | 8753 | if (json_paths) |
8754 | json_object_string_add( | |
8755 | json_peer, "type", | |
8756 | "confed-external"); | |
8757 | else | |
8758 | vty_out(vty, | |
8759 | ", confed-external"); | |
8760 | } else { | |
8761 | if (json_paths) | |
8762 | json_object_string_add( | |
8763 | json_peer, "type", | |
8764 | "external"); | |
8765 | else | |
8766 | vty_out(vty, ", external"); | |
8767 | } | |
8768 | } | |
9b6d8fcf | 8769 | } else if (path->sub_type == BGP_ROUTE_AGGREGATE) { |
d62a17ae | 8770 | if (json_paths) { |
8771 | json_object_boolean_true_add(json_path, | |
8772 | "aggregated"); | |
8773 | json_object_boolean_true_add(json_path, | |
8774 | "local"); | |
8775 | } else { | |
8776 | vty_out(vty, ", aggregated, local"); | |
8777 | } | |
9b6d8fcf | 8778 | } else if (path->type != ZEBRA_ROUTE_BGP) { |
d62a17ae | 8779 | if (json_paths) |
8780 | json_object_boolean_true_add(json_path, | |
8781 | "sourced"); | |
8782 | else | |
8783 | vty_out(vty, ", sourced"); | |
8784 | } else { | |
8785 | if (json_paths) { | |
8786 | json_object_boolean_true_add(json_path, | |
8787 | "sourced"); | |
8788 | json_object_boolean_true_add(json_path, | |
8789 | "local"); | |
8790 | } else { | |
8791 | vty_out(vty, ", sourced, local"); | |
8792 | } | |
8793 | } | |
718e3744 | 8794 | |
d62a17ae | 8795 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE)) { |
8796 | if (json_paths) | |
8797 | json_object_boolean_true_add(json_path, | |
8798 | "atomicAggregate"); | |
8799 | else | |
8800 | vty_out(vty, ", atomic-aggregate"); | |
8801 | } | |
718e3744 | 8802 | |
9b6d8fcf DS |
8803 | if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH) |
8804 | || (CHECK_FLAG(path->flags, BGP_PATH_SELECTED) | |
8805 | && bgp_path_info_mpath_count(path))) { | |
d62a17ae | 8806 | if (json_paths) |
8807 | json_object_boolean_true_add(json_path, | |
8808 | "multipath"); | |
8809 | else | |
8810 | vty_out(vty, ", multipath"); | |
8811 | } | |
856ca177 | 8812 | |
d62a17ae | 8813 | // Mark the bestpath(s) |
9b6d8fcf | 8814 | if (CHECK_FLAG(path->flags, BGP_PATH_DMED_SELECTED)) { |
d62a17ae | 8815 | first_as = aspath_get_first_as(attr->aspath); |
8816 | ||
8817 | if (json_paths) { | |
8818 | if (!json_bestpath) | |
8819 | json_bestpath = | |
8820 | json_object_new_object(); | |
8821 | json_object_int_add(json_bestpath, | |
8822 | "bestpathFromAs", first_as); | |
8823 | } else { | |
8824 | if (first_as) | |
fb2b0934 | 8825 | vty_out(vty, ", bestpath-from-AS %u", |
d62a17ae | 8826 | first_as); |
8827 | else | |
8828 | vty_out(vty, | |
8829 | ", bestpath-from-AS Local"); | |
8830 | } | |
8831 | } | |
718e3744 | 8832 | |
9b6d8fcf | 8833 | if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 8834 | if (json_paths) { |
8835 | if (!json_bestpath) | |
8836 | json_bestpath = | |
8837 | json_object_new_object(); | |
8838 | json_object_boolean_true_add(json_bestpath, | |
8839 | "overall"); | |
0dc8ee70 DS |
8840 | json_object_string_add(json_bestpath, |
8841 | "selectionReason", | |
8842 | bgp_path_selection_reason2str(bn->reason)); | |
8843 | } else { | |
d62a17ae | 8844 | vty_out(vty, ", best"); |
0dc8ee70 DS |
8845 | vty_out(vty, " (%s)", |
8846 | bgp_path_selection_reason2str(bn->reason)); | |
8847 | } | |
d62a17ae | 8848 | } |
718e3744 | 8849 | |
d62a17ae | 8850 | if (json_bestpath) |
8851 | json_object_object_add(json_path, "bestpath", | |
8852 | json_bestpath); | |
8853 | ||
8854 | if (!json_paths) | |
8855 | vty_out(vty, "\n"); | |
8856 | ||
8857 | /* Line 4 display Community */ | |
8858 | if (attr->community) { | |
8859 | if (json_paths) { | |
a69ea8ae | 8860 | if (!attr->community->json) |
a4d82a8a | 8861 | community_str(attr->community, true); |
d62a17ae | 8862 | json_object_lock(attr->community->json); |
8863 | json_object_object_add(json_path, "community", | |
8864 | attr->community->json); | |
8865 | } else { | |
8866 | vty_out(vty, " Community: %s\n", | |
8867 | attr->community->str); | |
8868 | } | |
8869 | } | |
718e3744 | 8870 | |
d62a17ae | 8871 | /* Line 5 display Extended-community */ |
8872 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
8873 | if (json_paths) { | |
8874 | json_ext_community = json_object_new_object(); | |
8875 | json_object_string_add(json_ext_community, | |
8876 | "string", | |
8877 | attr->ecommunity->str); | |
8878 | json_object_object_add(json_path, | |
8879 | "extendedCommunity", | |
8880 | json_ext_community); | |
8881 | } else { | |
8882 | vty_out(vty, " Extended Community: %s\n", | |
8883 | attr->ecommunity->str); | |
8884 | } | |
8885 | } | |
adbac85e | 8886 | |
d62a17ae | 8887 | /* Line 6 display Large community */ |
b96879c0 DS |
8888 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LARGE_COMMUNITIES)) { |
8889 | if (json_paths) { | |
8d9b8ed9 PM |
8890 | if (!attr->lcommunity->json) |
8891 | lcommunity_str(attr->lcommunity, true); | |
8892 | json_object_lock(attr->lcommunity->json); | |
b96879c0 DS |
8893 | json_object_object_add(json_path, |
8894 | "largeCommunity", | |
8d9b8ed9 | 8895 | attr->lcommunity->json); |
b96879c0 DS |
8896 | } else { |
8897 | vty_out(vty, " Large Community: %s\n", | |
8898 | attr->lcommunity->str); | |
8899 | } | |
8900 | } | |
d62a17ae | 8901 | |
8902 | /* Line 7 display Originator, Cluster-id */ | |
8903 | if ((attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) | |
8904 | || (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST))) { | |
8905 | if (attr->flag | |
8906 | & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) { | |
8907 | if (json_paths) | |
8908 | json_object_string_add( | |
8909 | json_path, "originatorId", | |
8910 | inet_ntoa(attr->originator_id)); | |
8911 | else | |
8912 | vty_out(vty, " Originator: %s", | |
8913 | inet_ntoa(attr->originator_id)); | |
8914 | } | |
8915 | ||
8916 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST)) { | |
8917 | int i; | |
8918 | ||
8919 | if (json_paths) { | |
8920 | json_cluster_list = | |
8921 | json_object_new_object(); | |
8922 | json_cluster_list_list = | |
8923 | json_object_new_array(); | |
8924 | ||
8925 | for (i = 0; | |
8926 | i < attr->cluster->length / 4; | |
8927 | i++) { | |
8928 | json_string = json_object_new_string( | |
8929 | inet_ntoa( | |
8930 | attr->cluster->list | |
8931 | [i])); | |
8932 | json_object_array_add( | |
8933 | json_cluster_list_list, | |
8934 | json_string); | |
8935 | } | |
8936 | ||
8937 | /* struct cluster_list does not have | |
8938 | "str" variable like | |
8939 | * aspath and community do. Add this | |
8940 | someday if someone | |
8941 | * asks for it. | |
8942 | json_object_string_add(json_cluster_list, | |
8943 | "string", attr->cluster->str); | |
8944 | */ | |
8945 | json_object_object_add( | |
8946 | json_cluster_list, "list", | |
8947 | json_cluster_list_list); | |
8948 | json_object_object_add( | |
8949 | json_path, "clusterList", | |
8950 | json_cluster_list); | |
8951 | } else { | |
8952 | vty_out(vty, ", Cluster list: "); | |
8953 | ||
8954 | for (i = 0; | |
8955 | i < attr->cluster->length / 4; | |
8956 | i++) { | |
8957 | vty_out(vty, "%s ", | |
8958 | inet_ntoa( | |
8959 | attr->cluster->list | |
8960 | [i])); | |
8961 | } | |
8962 | } | |
8963 | } | |
8964 | ||
8965 | if (!json_paths) | |
8966 | vty_out(vty, "\n"); | |
8967 | } | |
adbac85e | 8968 | |
9b6d8fcf DS |
8969 | if (path->extra && path->extra->damp_info) |
8970 | bgp_damp_info_vty(vty, path, json_path); | |
d62a17ae | 8971 | |
6a527b2f | 8972 | /* Remote Label */ |
9b6d8fcf | 8973 | if (path->extra && bgp_is_valid_label(&path->extra->label[0]) |
a5174330 | 8974 | && (safi != SAFI_EVPN && !is_route_parent_evpn(path))) { |
9b6d8fcf | 8975 | mpls_label_t label = label_pton(&path->extra->label[0]); |
121e245d | 8976 | |
d62a17ae | 8977 | if (json_paths) |
8978 | json_object_int_add(json_path, "remoteLabel", | |
8979 | label); | |
8980 | else | |
8981 | vty_out(vty, " Remote label: %d\n", label); | |
8982 | } | |
b05a1c8b | 8983 | |
d62a17ae | 8984 | /* Label Index */ |
8985 | if (attr->label_index != BGP_INVALID_LABEL_INDEX) { | |
8986 | if (json_paths) | |
8987 | json_object_int_add(json_path, "labelIndex", | |
8988 | attr->label_index); | |
8989 | else | |
8990 | vty_out(vty, " Label Index: %d\n", | |
8991 | attr->label_index); | |
8992 | } | |
520d5d76 | 8993 | |
d62a17ae | 8994 | /* Line 8 display Addpath IDs */ |
dcc68b5e MS |
8995 | if (path->addpath_rx_id |
8996 | || bgp_addpath_info_has_ids(&path->tx_addpath)) { | |
d62a17ae | 8997 | if (json_paths) { |
8998 | json_object_int_add(json_path, "addpathRxId", | |
9b6d8fcf | 8999 | path->addpath_rx_id); |
dcc68b5e MS |
9000 | |
9001 | /* Keep backwards compatibility with the old API | |
9002 | * by putting TX All's ID in the old field | |
9003 | */ | |
9004 | json_object_int_add( | |
9005 | json_path, "addpathTxId", | |
9006 | path->tx_addpath.addpath_tx_id | |
9007 | [BGP_ADDPATH_ALL]); | |
9008 | ||
9009 | /* ... but create a specific field for each | |
9010 | * strategy | |
9011 | */ | |
9012 | for (i = 0; i < BGP_ADDPATH_MAX; i++) { | |
9013 | json_object_int_add( | |
9014 | json_path, | |
9015 | bgp_addpath_names(i) | |
9016 | ->id_json_name, | |
9017 | path->tx_addpath | |
9018 | .addpath_tx_id[i]); | |
9019 | } | |
d62a17ae | 9020 | } else { |
dcc68b5e MS |
9021 | vty_out(vty, " AddPath ID: RX %u, ", |
9022 | path->addpath_rx_id); | |
9023 | ||
9024 | route_vty_out_tx_ids(vty, &path->tx_addpath); | |
d62a17ae | 9025 | } |
9026 | } | |
718e3744 | 9027 | |
d62a17ae | 9028 | /* If we used addpath to TX a non-bestpath we need to display |
dcc68b5e MS |
9029 | * "Advertised to" on a path-by-path basis |
9030 | */ | |
9031 | if (bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { | |
d62a17ae | 9032 | first = 1; |
9033 | ||
9034 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { | |
9035 | addpath_capable = | |
9036 | bgp_addpath_encode_tx(peer, afi, safi); | |
9037 | has_adj = bgp_adj_out_lookup( | |
dcc68b5e MS |
9038 | peer, path->net, |
9039 | bgp_addpath_id_for_peer( | |
9040 | peer, afi, safi, | |
9041 | &path->tx_addpath)); | |
d62a17ae | 9042 | |
9043 | if ((addpath_capable && has_adj) | |
9044 | || (!addpath_capable && has_adj | |
9b6d8fcf | 9045 | && CHECK_FLAG(path->flags, |
1defdda8 | 9046 | BGP_PATH_SELECTED))) { |
d62a17ae | 9047 | if (json_path && !json_adv_to) |
9048 | json_adv_to = | |
9049 | json_object_new_object(); | |
9050 | ||
9051 | route_vty_out_advertised_to( | |
9052 | vty, peer, &first, | |
9053 | " Advertised to:", | |
9054 | json_adv_to); | |
9055 | } | |
9056 | } | |
9057 | ||
9058 | if (json_path) { | |
9059 | if (json_adv_to) { | |
9060 | json_object_object_add(json_path, | |
9061 | "advertisedTo", | |
9062 | json_adv_to); | |
9063 | } | |
9064 | } else { | |
9065 | if (!first) { | |
9066 | vty_out(vty, "\n"); | |
9067 | } | |
9068 | } | |
9069 | } | |
b05a1c8b | 9070 | |
d62a17ae | 9071 | /* Line 9 display Uptime */ |
9b6d8fcf | 9072 | tbuf = time(NULL) - (bgp_clock() - path->uptime); |
d62a17ae | 9073 | if (json_paths) { |
9074 | json_last_update = json_object_new_object(); | |
9075 | json_object_int_add(json_last_update, "epoch", tbuf); | |
9076 | json_object_string_add(json_last_update, "string", | |
9077 | ctime(&tbuf)); | |
9078 | json_object_object_add(json_path, "lastUpdate", | |
9079 | json_last_update); | |
9080 | } else | |
9081 | vty_out(vty, " Last update: %s", ctime(&tbuf)); | |
7fd077aa | 9082 | |
9083 | /* Line 10 display PMSI tunnel attribute, if present */ | |
9084 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_PMSI_TUNNEL)) { | |
b7d08f5a | 9085 | const char *str = lookup_msg(bgp_pmsi_tnltype_str, |
9086 | attr->pmsi_tnl_type, | |
9087 | PMSI_TNLTYPE_STR_DEFAULT); | |
9088 | ||
7fd077aa | 9089 | if (json_paths) { |
9090 | json_pmsi = json_object_new_object(); | |
b7d08f5a | 9091 | json_object_string_add(json_pmsi, |
9092 | "tunnelType", str); | |
27f28ccc AK |
9093 | json_object_int_add(json_pmsi, |
9094 | "label", | |
9095 | label2vni(&attr->label)); | |
7fd077aa | 9096 | json_object_object_add(json_path, "pmsi", |
9097 | json_pmsi); | |
9098 | } else | |
27f28ccc AK |
9099 | vty_out(vty, |
9100 | " PMSI Tunnel Type: %s, label: %d\n", | |
9101 | str, label2vni(&attr->label)); | |
7fd077aa | 9102 | } |
9103 | ||
d62a17ae | 9104 | } |
f1aa5d8a | 9105 | |
d62a17ae | 9106 | /* We've constructed the json object for this path, add it to the json |
9107 | * array of paths | |
9108 | */ | |
9109 | if (json_paths) { | |
9110 | if (json_nexthop_global || json_nexthop_ll) { | |
9111 | json_nexthops = json_object_new_array(); | |
f1aa5d8a | 9112 | |
d62a17ae | 9113 | if (json_nexthop_global) |
9114 | json_object_array_add(json_nexthops, | |
9115 | json_nexthop_global); | |
f1aa5d8a | 9116 | |
d62a17ae | 9117 | if (json_nexthop_ll) |
9118 | json_object_array_add(json_nexthops, | |
9119 | json_nexthop_ll); | |
f1aa5d8a | 9120 | |
d62a17ae | 9121 | json_object_object_add(json_path, "nexthops", |
9122 | json_nexthops); | |
9123 | } | |
9124 | ||
9125 | json_object_object_add(json_path, "peer", json_peer); | |
9126 | json_object_array_add(json_paths, json_path); | |
9127 | } else | |
9128 | vty_out(vty, "\n"); | |
b366b518 BB |
9129 | } |
9130 | ||
96ade3ed | 9131 | #define BGP_SHOW_HEADER_CSV "Flags, Network, Next Hop, Metric, LocPrf, Weight, Path" |
181039f3 DL |
9132 | #define BGP_SHOW_DAMP_HEADER " Network From Reuse Path\n" |
9133 | #define BGP_SHOW_FLAP_HEADER " Network From Flaps Duration Reuse Path\n" | |
718e3744 | 9134 | |
d62a17ae | 9135 | static int bgp_show_prefix_list(struct vty *vty, struct bgp *bgp, |
9136 | const char *prefix_list_str, afi_t afi, | |
9137 | safi_t safi, enum bgp_show_type type); | |
9138 | static int bgp_show_filter_list(struct vty *vty, struct bgp *bgp, | |
9139 | const char *filter, afi_t afi, safi_t safi, | |
9140 | enum bgp_show_type type); | |
9141 | static int bgp_show_route_map(struct vty *vty, struct bgp *bgp, | |
9142 | const char *rmap_str, afi_t afi, safi_t safi, | |
9143 | enum bgp_show_type type); | |
9144 | static int bgp_show_community_list(struct vty *vty, struct bgp *bgp, | |
9145 | const char *com, int exact, afi_t afi, | |
9146 | safi_t safi); | |
9147 | static int bgp_show_prefix_longer(struct vty *vty, struct bgp *bgp, | |
9148 | const char *prefix, afi_t afi, safi_t safi, | |
9149 | enum bgp_show_type type); | |
a4d82a8a PZ |
9150 | static int bgp_show_regexp(struct vty *vty, struct bgp *bgp, const char *regstr, |
9151 | afi_t afi, safi_t safi, enum bgp_show_type type); | |
7f323236 DW |
9152 | static int bgp_show_community(struct vty *vty, struct bgp *bgp, |
9153 | const char *comstr, int exact, afi_t afi, | |
9f049418 | 9154 | safi_t safi, bool use_json); |
d62a17ae | 9155 | |
1ae44dfc LB |
9156 | |
9157 | static int bgp_show_table(struct vty *vty, struct bgp *bgp, safi_t safi, | |
d62a17ae | 9158 | struct bgp_table *table, enum bgp_show_type type, |
9f049418 | 9159 | void *output_arg, bool use_json, char *rd, |
a4d82a8a PZ |
9160 | int is_last, unsigned long *output_cum, |
9161 | unsigned long *total_cum, | |
9386b588 | 9162 | unsigned long *json_header_depth) |
d62a17ae | 9163 | { |
40381db7 | 9164 | struct bgp_path_info *pi; |
d62a17ae | 9165 | struct bgp_node *rn; |
9166 | int header = 1; | |
9167 | int display; | |
1ae44dfc LB |
9168 | unsigned long output_count = 0; |
9169 | unsigned long total_count = 0; | |
d62a17ae | 9170 | struct prefix *p; |
d62a17ae | 9171 | char buf2[BUFSIZ]; |
9172 | json_object *json_paths = NULL; | |
9173 | int first = 1; | |
9174 | ||
1ae44dfc LB |
9175 | if (output_cum && *output_cum != 0) |
9176 | header = 0; | |
9177 | ||
9386b588 | 9178 | if (use_json && !*json_header_depth) { |
d62a17ae | 9179 | vty_out(vty, |
66f80d74 | 9180 | "{\n \"vrfId\": %d,\n \"vrfName\": \"%s\",\n \"tableVersion\": %" PRId64 |
01eced22 AD |
9181 | ",\n \"routerId\": \"%s\",\n \"defaultLocPrf\": %u,\n" |
9182 | " \"localAS\": %u,\n \"routes\": { ", | |
a8bf7d9c | 9183 | bgp->vrf_id == VRF_UNKNOWN ? -1 : (int)bgp->vrf_id, |
5742e42b DS |
9184 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT |
9185 | ? VRF_DEFAULT_NAME | |
9186 | : bgp->name, | |
01eced22 AD |
9187 | table->version, inet_ntoa(bgp->router_id), |
9188 | bgp->default_local_pref, bgp->as); | |
9386b588 PZ |
9189 | *json_header_depth = 2; |
9190 | if (rd) { | |
445c2480 | 9191 | vty_out(vty, " \"routeDistinguishers\" : {"); |
9386b588 PZ |
9192 | ++*json_header_depth; |
9193 | } | |
d62a17ae | 9194 | } |
718e3744 | 9195 | |
445c2480 DS |
9196 | if (use_json && rd) { |
9197 | vty_out(vty, " \"%s\" : { ", rd); | |
9198 | } | |
9199 | ||
d62a17ae | 9200 | /* Start processing of routes. */ |
98ce9a06 | 9201 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
6f94b685 DS |
9202 | pi = bgp_node_get_bgp_path_info(rn); |
9203 | if (pi == NULL) | |
98ce9a06 | 9204 | continue; |
d62a17ae | 9205 | |
98ce9a06 | 9206 | display = 0; |
98ce9a06 DS |
9207 | if (use_json) |
9208 | json_paths = json_object_new_array(); | |
9209 | else | |
9210 | json_paths = NULL; | |
d62a17ae | 9211 | |
6f94b685 | 9212 | for (; pi; pi = pi->next) { |
98ce9a06 DS |
9213 | total_count++; |
9214 | if (type == bgp_show_type_flap_statistics | |
9215 | || type == bgp_show_type_flap_neighbor | |
9216 | || type == bgp_show_type_dampend_paths | |
9217 | || type == bgp_show_type_damp_neighbor) { | |
40381db7 | 9218 | if (!(pi->extra && pi->extra->damp_info)) |
98ce9a06 DS |
9219 | continue; |
9220 | } | |
9221 | if (type == bgp_show_type_regexp) { | |
9222 | regex_t *regex = output_arg; | |
d62a17ae | 9223 | |
40381db7 | 9224 | if (bgp_regexec(regex, pi->attr->aspath) |
98ce9a06 DS |
9225 | == REG_NOMATCH) |
9226 | continue; | |
9227 | } | |
9228 | if (type == bgp_show_type_prefix_list) { | |
9229 | struct prefix_list *plist = output_arg; | |
d62a17ae | 9230 | |
98ce9a06 DS |
9231 | if (prefix_list_apply(plist, &rn->p) |
9232 | != PREFIX_PERMIT) | |
9233 | continue; | |
9234 | } | |
9235 | if (type == bgp_show_type_filter_list) { | |
9236 | struct as_list *as_list = output_arg; | |
d62a17ae | 9237 | |
40381db7 | 9238 | if (as_list_apply(as_list, pi->attr->aspath) |
98ce9a06 DS |
9239 | != AS_FILTER_PERMIT) |
9240 | continue; | |
9241 | } | |
9242 | if (type == bgp_show_type_route_map) { | |
9243 | struct route_map *rmap = output_arg; | |
9b6d8fcf | 9244 | struct bgp_path_info path; |
98ce9a06 | 9245 | struct attr dummy_attr; |
b68885f9 | 9246 | route_map_result_t ret; |
d62a17ae | 9247 | |
40381db7 | 9248 | bgp_attr_dup(&dummy_attr, pi->attr); |
d62a17ae | 9249 | |
40381db7 | 9250 | path.peer = pi->peer; |
9b6d8fcf | 9251 | path.attr = &dummy_attr; |
d62a17ae | 9252 | |
a4d82a8a | 9253 | ret = route_map_apply(rmap, &rn->p, RMAP_BGP, |
9b6d8fcf | 9254 | &path); |
98ce9a06 DS |
9255 | if (ret == RMAP_DENYMATCH) |
9256 | continue; | |
9257 | } | |
9258 | if (type == bgp_show_type_neighbor | |
9259 | || type == bgp_show_type_flap_neighbor | |
9260 | || type == bgp_show_type_damp_neighbor) { | |
9261 | union sockunion *su = output_arg; | |
9262 | ||
40381db7 DS |
9263 | if (pi->peer == NULL |
9264 | || pi->peer->su_remote == NULL | |
9265 | || !sockunion_same(pi->peer->su_remote, su)) | |
98ce9a06 DS |
9266 | continue; |
9267 | } | |
9268 | if (type == bgp_show_type_cidr_only) { | |
d7c0a89a | 9269 | uint32_t destination; |
d62a17ae | 9270 | |
98ce9a06 DS |
9271 | destination = ntohl(rn->p.u.prefix4.s_addr); |
9272 | if (IN_CLASSC(destination) | |
9273 | && rn->p.prefixlen == 24) | |
9274 | continue; | |
9275 | if (IN_CLASSB(destination) | |
9276 | && rn->p.prefixlen == 16) | |
9277 | continue; | |
9278 | if (IN_CLASSA(destination) | |
9279 | && rn->p.prefixlen == 8) | |
9280 | continue; | |
9281 | } | |
9282 | if (type == bgp_show_type_prefix_longer) { | |
f7813c7c | 9283 | p = output_arg; |
98ce9a06 DS |
9284 | if (!prefix_match(p, &rn->p)) |
9285 | continue; | |
9286 | } | |
9287 | if (type == bgp_show_type_community_all) { | |
40381db7 | 9288 | if (!pi->attr->community) |
98ce9a06 DS |
9289 | continue; |
9290 | } | |
9291 | if (type == bgp_show_type_community) { | |
9292 | struct community *com = output_arg; | |
d62a17ae | 9293 | |
40381db7 DS |
9294 | if (!pi->attr->community |
9295 | || !community_match(pi->attr->community, | |
98ce9a06 DS |
9296 | com)) |
9297 | continue; | |
9298 | } | |
9299 | if (type == bgp_show_type_community_exact) { | |
9300 | struct community *com = output_arg; | |
d62a17ae | 9301 | |
40381db7 DS |
9302 | if (!pi->attr->community |
9303 | || !community_cmp(pi->attr->community, com)) | |
98ce9a06 DS |
9304 | continue; |
9305 | } | |
9306 | if (type == bgp_show_type_community_list) { | |
9307 | struct community_list *list = output_arg; | |
d62a17ae | 9308 | |
40381db7 | 9309 | if (!community_list_match(pi->attr->community, |
a4d82a8a | 9310 | list)) |
98ce9a06 DS |
9311 | continue; |
9312 | } | |
a4d82a8a | 9313 | if (type == bgp_show_type_community_list_exact) { |
98ce9a06 | 9314 | struct community_list *list = output_arg; |
d62a17ae | 9315 | |
98ce9a06 | 9316 | if (!community_list_exact_match( |
40381db7 | 9317 | pi->attr->community, list)) |
98ce9a06 DS |
9318 | continue; |
9319 | } | |
9320 | if (type == bgp_show_type_lcommunity) { | |
9321 | struct lcommunity *lcom = output_arg; | |
d62a17ae | 9322 | |
40381db7 DS |
9323 | if (!pi->attr->lcommunity |
9324 | || !lcommunity_match(pi->attr->lcommunity, | |
98ce9a06 DS |
9325 | lcom)) |
9326 | continue; | |
9327 | } | |
36a206db | 9328 | |
9329 | if (type == bgp_show_type_lcommunity_exact) { | |
9330 | struct lcommunity *lcom = output_arg; | |
9331 | ||
9332 | if (!pi->attr->lcommunity | |
9333 | || !lcommunity_cmp(pi->attr->lcommunity, | |
9334 | lcom)) | |
9335 | continue; | |
9336 | } | |
98ce9a06 DS |
9337 | if (type == bgp_show_type_lcommunity_list) { |
9338 | struct community_list *list = output_arg; | |
d62a17ae | 9339 | |
40381db7 | 9340 | if (!lcommunity_list_match(pi->attr->lcommunity, |
a4d82a8a | 9341 | list)) |
98ce9a06 DS |
9342 | continue; |
9343 | } | |
36a206db | 9344 | if (type |
9345 | == bgp_show_type_lcommunity_list_exact) { | |
9346 | struct community_list *list = output_arg; | |
9347 | ||
9348 | if (!lcommunity_list_exact_match( | |
9349 | pi->attr->lcommunity, list)) | |
9350 | continue; | |
9351 | } | |
98ce9a06 | 9352 | if (type == bgp_show_type_lcommunity_all) { |
40381db7 | 9353 | if (!pi->attr->lcommunity) |
98ce9a06 DS |
9354 | continue; |
9355 | } | |
9356 | if (type == bgp_show_type_dampend_paths | |
9357 | || type == bgp_show_type_damp_neighbor) { | |
40381db7 DS |
9358 | if (!CHECK_FLAG(pi->flags, BGP_PATH_DAMPED) |
9359 | || CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) | |
98ce9a06 DS |
9360 | continue; |
9361 | } | |
9362 | ||
9363 | if (!use_json && header) { | |
996c9314 | 9364 | vty_out(vty, "BGP table version is %" PRIu64 |
9df8b37c | 9365 | ", local router ID is %s, vrf id ", |
98ce9a06 DS |
9366 | table->version, |
9367 | inet_ntoa(bgp->router_id)); | |
9df8b37c PZ |
9368 | if (bgp->vrf_id == VRF_UNKNOWN) |
9369 | vty_out(vty, "%s", VRFID_NONE_STR); | |
9370 | else | |
9371 | vty_out(vty, "%u", bgp->vrf_id); | |
9372 | vty_out(vty, "\n"); | |
01eced22 AD |
9373 | vty_out(vty, "Default local pref %u, ", |
9374 | bgp->default_local_pref); | |
9375 | vty_out(vty, "local AS %u\n", bgp->as); | |
98ce9a06 | 9376 | vty_out(vty, BGP_SHOW_SCODE_HEADER); |
9df8b37c | 9377 | vty_out(vty, BGP_SHOW_NCODE_HEADER); |
98ce9a06 | 9378 | vty_out(vty, BGP_SHOW_OCODE_HEADER); |
d62a17ae | 9379 | if (type == bgp_show_type_dampend_paths |
9380 | || type == bgp_show_type_damp_neighbor) | |
98ce9a06 | 9381 | vty_out(vty, BGP_SHOW_DAMP_HEADER); |
a4d82a8a PZ |
9382 | else if (type == bgp_show_type_flap_statistics |
9383 | || type == bgp_show_type_flap_neighbor) | |
98ce9a06 | 9384 | vty_out(vty, BGP_SHOW_FLAP_HEADER); |
d62a17ae | 9385 | else |
98ce9a06 DS |
9386 | vty_out(vty, BGP_SHOW_HEADER); |
9387 | header = 0; | |
d62a17ae | 9388 | } |
98ce9a06 DS |
9389 | if (rd != NULL && !display && !output_count) { |
9390 | if (!use_json) | |
9391 | vty_out(vty, | |
9392 | "Route Distinguisher: %s\n", | |
9393 | rd); | |
d62a17ae | 9394 | } |
98ce9a06 DS |
9395 | if (type == bgp_show_type_dampend_paths |
9396 | || type == bgp_show_type_damp_neighbor) | |
40381db7 | 9397 | damp_route_vty_out(vty, &rn->p, pi, display, |
a4d82a8a | 9398 | safi, use_json, json_paths); |
98ce9a06 DS |
9399 | else if (type == bgp_show_type_flap_statistics |
9400 | || type == bgp_show_type_flap_neighbor) | |
40381db7 | 9401 | flap_route_vty_out(vty, &rn->p, pi, display, |
a4d82a8a | 9402 | safi, use_json, json_paths); |
98ce9a06 | 9403 | else |
40381db7 | 9404 | route_vty_out(vty, &rn->p, pi, display, safi, |
a4d82a8a | 9405 | json_paths); |
98ce9a06 | 9406 | display++; |
d62a17ae | 9407 | } |
9408 | ||
98ce9a06 DS |
9409 | if (display) { |
9410 | output_count++; | |
9411 | if (!use_json) | |
9412 | continue; | |
9413 | ||
9414 | p = &rn->p; | |
625d2931 PG |
9415 | /* encode prefix */ |
9416 | if (p->family == AF_FLOWSPEC) { | |
9417 | char retstr[BGP_FLOWSPEC_STRING_DISPLAY_MAX]; | |
9418 | ||
9419 | bgp_fs_nlri_get_string((unsigned char *) | |
9420 | p->u.prefix_flowspec.ptr, | |
9421 | p->u.prefix_flowspec | |
9422 | .prefixlen, | |
9423 | retstr, | |
9424 | NLRI_STRING_FORMAT_MIN, | |
9425 | NULL); | |
9426 | if (first) | |
9427 | vty_out(vty, "\"%s/%d\": ", | |
9428 | retstr, | |
9429 | p->u.prefix_flowspec.prefixlen); | |
9430 | else | |
9431 | vty_out(vty, ",\"%s/%d\": ", | |
9432 | retstr, | |
9433 | p->u.prefix_flowspec.prefixlen); | |
9434 | } else { | |
9435 | prefix2str(p, buf2, sizeof(buf2)); | |
9436 | if (first) | |
9437 | vty_out(vty, "\"%s\": ", buf2); | |
9438 | else | |
9439 | vty_out(vty, ",\"%s\": ", buf2); | |
9440 | } | |
98ce9a06 | 9441 | vty_out(vty, "%s", |
23b2a7ef | 9442 | json_object_to_json_string(json_paths)); |
98ce9a06 | 9443 | json_object_free(json_paths); |
449feb8e | 9444 | json_paths = NULL; |
98ce9a06 DS |
9445 | first = 0; |
9446 | } | |
9447 | } | |
9448 | ||
1ae44dfc LB |
9449 | if (output_cum) { |
9450 | output_count += *output_cum; | |
9451 | *output_cum = output_count; | |
9452 | } | |
9453 | if (total_cum) { | |
9454 | total_count += *total_cum; | |
9455 | *total_cum = total_count; | |
9456 | } | |
d62a17ae | 9457 | if (use_json) { |
9386b588 | 9458 | if (rd) { |
a4d82a8a | 9459 | vty_out(vty, " }%s ", (is_last ? "" : ",")); |
9386b588 PZ |
9460 | } |
9461 | if (is_last) { | |
a4d82a8a PZ |
9462 | unsigned long i; |
9463 | for (i = 0; i < *json_header_depth; ++i) | |
9464 | vty_out(vty, " } "); | |
faf6559a | 9465 | vty_out(vty, "\n"); |
9386b588 | 9466 | } |
d62a17ae | 9467 | } else { |
1ae44dfc LB |
9468 | if (is_last) { |
9469 | /* No route is displayed */ | |
9470 | if (output_count == 0) { | |
9471 | if (type == bgp_show_type_normal) | |
9472 | vty_out(vty, | |
9473 | "No BGP prefixes displayed, %ld exist\n", | |
9474 | total_count); | |
9475 | } else | |
d62a17ae | 9476 | vty_out(vty, |
1ae44dfc LB |
9477 | "\nDisplayed %ld routes and %ld total paths\n", |
9478 | output_count, total_count); | |
9479 | } | |
d62a17ae | 9480 | } |
718e3744 | 9481 | |
d62a17ae | 9482 | return CMD_SUCCESS; |
718e3744 | 9483 | } |
9484 | ||
1ae44dfc LB |
9485 | int bgp_show_table_rd(struct vty *vty, struct bgp *bgp, safi_t safi, |
9486 | struct bgp_table *table, struct prefix_rd *prd_match, | |
9f049418 | 9487 | enum bgp_show_type type, void *output_arg, bool use_json) |
1ae44dfc LB |
9488 | { |
9489 | struct bgp_node *rn, *next; | |
9490 | unsigned long output_cum = 0; | |
9491 | unsigned long total_cum = 0; | |
9386b588 | 9492 | unsigned long json_header_depth = 0; |
67009e22 | 9493 | struct bgp_table *itable; |
0136788c LB |
9494 | bool show_msg; |
9495 | ||
9496 | show_msg = (!use_json && type == bgp_show_type_normal); | |
1ae44dfc LB |
9497 | |
9498 | for (rn = bgp_table_top(table); rn; rn = next) { | |
9499 | next = bgp_route_next(rn); | |
9500 | if (prd_match && memcmp(rn->p.u.val, prd_match->val, 8) != 0) | |
9501 | continue; | |
67009e22 DS |
9502 | |
9503 | itable = bgp_node_get_bgp_table_info(rn); | |
9504 | if (itable != NULL) { | |
1ae44dfc | 9505 | struct prefix_rd prd; |
06b9f471 | 9506 | char rd[RD_ADDRSTRLEN]; |
1ae44dfc LB |
9507 | |
9508 | memcpy(&prd, &(rn->p), sizeof(struct prefix_rd)); | |
06b9f471 | 9509 | prefix_rd2str(&prd, rd, sizeof(rd)); |
67009e22 DS |
9510 | bgp_show_table(vty, bgp, safi, itable, type, output_arg, |
9511 | use_json, rd, next == NULL, &output_cum, | |
9512 | &total_cum, &json_header_depth); | |
0136788c LB |
9513 | if (next == NULL) |
9514 | show_msg = false; | |
1ae44dfc LB |
9515 | } |
9516 | } | |
0136788c LB |
9517 | if (show_msg) { |
9518 | if (output_cum == 0) | |
9519 | vty_out(vty, "No BGP prefixes displayed, %ld exist\n", | |
9520 | total_cum); | |
9521 | else | |
9522 | vty_out(vty, | |
9523 | "\nDisplayed %ld routes and %ld total paths\n", | |
9524 | output_cum, total_cum); | |
9525 | } | |
1ae44dfc LB |
9526 | return CMD_SUCCESS; |
9527 | } | |
d62a17ae | 9528 | static int bgp_show(struct vty *vty, struct bgp *bgp, afi_t afi, safi_t safi, |
9f049418 | 9529 | enum bgp_show_type type, void *output_arg, bool use_json) |
fee0f4c6 | 9530 | { |
d62a17ae | 9531 | struct bgp_table *table; |
9386b588 | 9532 | unsigned long json_header_depth = 0; |
fee0f4c6 | 9533 | |
d62a17ae | 9534 | if (bgp == NULL) { |
9535 | bgp = bgp_get_default(); | |
9536 | } | |
fee0f4c6 | 9537 | |
d62a17ae | 9538 | if (bgp == NULL) { |
9539 | if (!use_json) | |
9540 | vty_out(vty, "No BGP process is configured\n"); | |
16307668 RW |
9541 | else |
9542 | vty_out(vty, "{}\n"); | |
d62a17ae | 9543 | return CMD_WARNING; |
9544 | } | |
4dd6177e | 9545 | |
1ae44dfc | 9546 | table = bgp->rib[afi][safi]; |
d62a17ae | 9547 | /* use MPLS and ENCAP specific shows until they are merged */ |
9548 | if (safi == SAFI_MPLS_VPN) { | |
1ae44dfc LB |
9549 | return bgp_show_table_rd(vty, bgp, safi, table, NULL, type, |
9550 | output_arg, use_json); | |
d62a17ae | 9551 | } |
dba3c1d3 PG |
9552 | |
9553 | if (safi == SAFI_FLOWSPEC && type == bgp_show_type_detail) { | |
9554 | return bgp_show_table_flowspec(vty, bgp, afi, table, type, | |
9555 | output_arg, use_json, | |
9556 | 1, NULL, NULL); | |
9557 | } | |
d62a17ae | 9558 | /* labeled-unicast routes live in the unicast table */ |
9559 | else if (safi == SAFI_LABELED_UNICAST) | |
9560 | safi = SAFI_UNICAST; | |
fee0f4c6 | 9561 | |
1ae44dfc | 9562 | return bgp_show_table(vty, bgp, safi, table, type, output_arg, use_json, |
9386b588 | 9563 | NULL, 1, NULL, NULL, &json_header_depth); |
fee0f4c6 | 9564 | } |
9565 | ||
d62a17ae | 9566 | static void bgp_show_all_instances_routes_vty(struct vty *vty, afi_t afi, |
9f049418 | 9567 | safi_t safi, bool use_json) |
f186de26 | 9568 | { |
d62a17ae | 9569 | struct listnode *node, *nnode; |
9570 | struct bgp *bgp; | |
9571 | int is_first = 1; | |
9f049418 | 9572 | bool route_output = false; |
f186de26 | 9573 | |
d62a17ae | 9574 | if (use_json) |
9575 | vty_out(vty, "{\n"); | |
9f689658 | 9576 | |
d62a17ae | 9577 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) { |
9f049418 | 9578 | route_output = true; |
d62a17ae | 9579 | if (use_json) { |
9580 | if (!is_first) | |
9581 | vty_out(vty, ",\n"); | |
9582 | else | |
9583 | is_first = 0; | |
9584 | ||
9585 | vty_out(vty, "\"%s\":", | |
9586 | (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
5742e42b | 9587 | ? VRF_DEFAULT_NAME |
d62a17ae | 9588 | : bgp->name); |
9589 | } else { | |
9590 | vty_out(vty, "\nInstance %s:\n", | |
9591 | (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
5742e42b | 9592 | ? VRF_DEFAULT_NAME |
d62a17ae | 9593 | : bgp->name); |
9594 | } | |
9595 | bgp_show(vty, bgp, afi, safi, bgp_show_type_normal, NULL, | |
9596 | use_json); | |
9597 | } | |
9f689658 | 9598 | |
d62a17ae | 9599 | if (use_json) |
9600 | vty_out(vty, "}\n"); | |
9f049418 DS |
9601 | else if (!route_output) |
9602 | vty_out(vty, "%% BGP instance not found\n"); | |
f186de26 | 9603 | } |
9604 | ||
718e3744 | 9605 | /* Header of detailed BGP route information */ |
d62a17ae | 9606 | void route_vty_out_detail_header(struct vty *vty, struct bgp *bgp, |
9607 | struct bgp_node *rn, struct prefix_rd *prd, | |
9608 | afi_t afi, safi_t safi, json_object *json) | |
9609 | { | |
40381db7 | 9610 | struct bgp_path_info *pi; |
d62a17ae | 9611 | struct prefix *p; |
9612 | struct peer *peer; | |
9613 | struct listnode *node, *nnode; | |
06b9f471 | 9614 | char buf1[RD_ADDRSTRLEN]; |
d62a17ae | 9615 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 9616 | char buf3[EVPN_ROUTE_STRLEN]; |
0291c246 | 9617 | char prefix_str[BUFSIZ]; |
d62a17ae | 9618 | int count = 0; |
9619 | int best = 0; | |
9620 | int suppress = 0; | |
c5f1e1b2 C |
9621 | int accept_own = 0; |
9622 | int route_filter_translated_v4 = 0; | |
9623 | int route_filter_v4 = 0; | |
9624 | int route_filter_translated_v6 = 0; | |
9625 | int route_filter_v6 = 0; | |
9626 | int llgr_stale = 0; | |
9627 | int no_llgr = 0; | |
9628 | int accept_own_nexthop = 0; | |
9629 | int blackhole = 0; | |
d62a17ae | 9630 | int no_export = 0; |
9631 | int no_advertise = 0; | |
9632 | int local_as = 0; | |
c5f1e1b2 | 9633 | int no_peer = 0; |
d62a17ae | 9634 | int first = 1; |
9635 | int has_valid_label = 0; | |
9636 | mpls_label_t label = 0; | |
9637 | json_object *json_adv_to = NULL; | |
9bedbb1e | 9638 | |
d62a17ae | 9639 | p = &rn->p; |
9640 | has_valid_label = bgp_is_valid_label(&rn->local_label); | |
9641 | ||
9642 | if (has_valid_label) | |
9643 | label = label_pton(&rn->local_label); | |
9644 | ||
9645 | if (json) { | |
9646 | if (has_valid_label) | |
9647 | json_object_int_add(json, "localLabel", label); | |
9648 | ||
60466a63 QY |
9649 | json_object_string_add( |
9650 | json, "prefix", | |
9651 | prefix2str(p, prefix_str, sizeof(prefix_str))); | |
d62a17ae | 9652 | } else { |
d62a17ae | 9653 | if (safi == SAFI_EVPN) |
9654 | vty_out(vty, "BGP routing table entry for %s%s%s\n", | |
06b9f471 | 9655 | prd ? prefix_rd2str(prd, buf1, sizeof(buf1)) |
d62a17ae | 9656 | : "", |
9657 | prd ? ":" : "", | |
9658 | bgp_evpn_route2str((struct prefix_evpn *)p, | |
9659 | buf3, sizeof(buf3))); | |
9660 | else | |
9661 | vty_out(vty, "BGP routing table entry for %s%s%s/%d\n", | |
9662 | ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP) | |
9663 | ? prefix_rd2str(prd, buf1, | |
06b9f471 | 9664 | sizeof(buf1)) |
d62a17ae | 9665 | : ""), |
9666 | safi == SAFI_MPLS_VPN ? ":" : "", | |
9667 | inet_ntop(p->family, &p->u.prefix, buf2, | |
9668 | INET6_ADDRSTRLEN), | |
9669 | p->prefixlen); | |
cd1964ff | 9670 | |
d62a17ae | 9671 | if (has_valid_label) |
9672 | vty_out(vty, "Local label: %d\n", label); | |
d62a17ae | 9673 | if (bgp_labeled_safi(safi) && safi != SAFI_EVPN) |
d62a17ae | 9674 | vty_out(vty, "not allocated\n"); |
9675 | } | |
718e3744 | 9676 | |
6f94b685 | 9677 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
d62a17ae | 9678 | count++; |
40381db7 | 9679 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 9680 | best = count; |
40381db7 | 9681 | if (pi->extra && pi->extra->suppress) |
d62a17ae | 9682 | suppress = 1; |
cee9c031 | 9683 | |
40381db7 | 9684 | if (pi->attr->community == NULL) |
cee9c031 QY |
9685 | continue; |
9686 | ||
9687 | no_advertise += community_include( | |
40381db7 DS |
9688 | pi->attr->community, COMMUNITY_NO_ADVERTISE); |
9689 | no_export += community_include(pi->attr->community, | |
cee9c031 | 9690 | COMMUNITY_NO_EXPORT); |
40381db7 | 9691 | local_as += community_include(pi->attr->community, |
cee9c031 | 9692 | COMMUNITY_LOCAL_AS); |
40381db7 | 9693 | accept_own += community_include(pi->attr->community, |
cee9c031 QY |
9694 | COMMUNITY_ACCEPT_OWN); |
9695 | route_filter_translated_v4 += community_include( | |
40381db7 | 9696 | pi->attr->community, |
cee9c031 QY |
9697 | COMMUNITY_ROUTE_FILTER_TRANSLATED_v4); |
9698 | route_filter_translated_v6 += community_include( | |
40381db7 | 9699 | pi->attr->community, |
cee9c031 QY |
9700 | COMMUNITY_ROUTE_FILTER_TRANSLATED_v6); |
9701 | route_filter_v4 += community_include( | |
40381db7 | 9702 | pi->attr->community, COMMUNITY_ROUTE_FILTER_v4); |
cee9c031 | 9703 | route_filter_v6 += community_include( |
40381db7 DS |
9704 | pi->attr->community, COMMUNITY_ROUTE_FILTER_v6); |
9705 | llgr_stale += community_include(pi->attr->community, | |
cee9c031 | 9706 | COMMUNITY_LLGR_STALE); |
40381db7 | 9707 | no_llgr += community_include(pi->attr->community, |
cee9c031 QY |
9708 | COMMUNITY_NO_LLGR); |
9709 | accept_own_nexthop += | |
40381db7 | 9710 | community_include(pi->attr->community, |
cee9c031 | 9711 | COMMUNITY_ACCEPT_OWN_NEXTHOP); |
40381db7 | 9712 | blackhole += community_include(pi->attr->community, |
cee9c031 | 9713 | COMMUNITY_BLACKHOLE); |
40381db7 | 9714 | no_peer += community_include(pi->attr->community, |
cee9c031 | 9715 | COMMUNITY_NO_PEER); |
d62a17ae | 9716 | } |
718e3744 | 9717 | } |
718e3744 | 9718 | |
d62a17ae | 9719 | if (!json) { |
9720 | vty_out(vty, "Paths: (%d available", count); | |
9721 | if (best) { | |
9722 | vty_out(vty, ", best #%d", best); | |
b84060bb PG |
9723 | if (safi == SAFI_UNICAST) { |
9724 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
9725 | vty_out(vty, ", table %s", | |
9726 | VRF_DEFAULT_NAME); | |
9727 | else | |
9728 | vty_out(vty, ", vrf %s", | |
9729 | bgp->name); | |
9730 | } | |
d62a17ae | 9731 | } else |
9732 | vty_out(vty, ", no best path"); | |
9733 | ||
c5f1e1b2 C |
9734 | if (accept_own) |
9735 | vty_out(vty, | |
9736 | ", accept own local route exported and imported in different VRF"); | |
9737 | else if (route_filter_translated_v4) | |
9738 | vty_out(vty, | |
9739 | ", mark translated RTs for VPNv4 route filtering"); | |
9740 | else if (route_filter_v4) | |
9741 | vty_out(vty, | |
9742 | ", attach RT as-is for VPNv4 route filtering"); | |
9743 | else if (route_filter_translated_v6) | |
9744 | vty_out(vty, | |
9745 | ", mark translated RTs for VPNv6 route filtering"); | |
9746 | else if (route_filter_v6) | |
9747 | vty_out(vty, | |
9748 | ", attach RT as-is for VPNv6 route filtering"); | |
9749 | else if (llgr_stale) | |
9750 | vty_out(vty, | |
9751 | ", mark routes to be retained for a longer time. Requeres support for Long-lived BGP Graceful Restart"); | |
9752 | else if (no_llgr) | |
9753 | vty_out(vty, | |
9754 | ", mark routes to not be treated according to Long-lived BGP Graceful Restart operations"); | |
9755 | else if (accept_own_nexthop) | |
9756 | vty_out(vty, | |
9757 | ", accept local nexthop"); | |
9758 | else if (blackhole) | |
9759 | vty_out(vty, ", inform peer to blackhole prefix"); | |
d62a17ae | 9760 | else if (no_export) |
9761 | vty_out(vty, ", not advertised to EBGP peer"); | |
c5f1e1b2 C |
9762 | else if (no_advertise) |
9763 | vty_out(vty, ", not advertised to any peer"); | |
d62a17ae | 9764 | else if (local_as) |
9765 | vty_out(vty, ", not advertised outside local AS"); | |
c5f1e1b2 C |
9766 | else if (no_peer) |
9767 | vty_out(vty, | |
9768 | ", inform EBGP peer not to advertise to their EBGP peers"); | |
d62a17ae | 9769 | |
9770 | if (suppress) | |
9771 | vty_out(vty, | |
9772 | ", Advertisements suppressed by an aggregate."); | |
9773 | vty_out(vty, ")\n"); | |
9774 | } | |
718e3744 | 9775 | |
d62a17ae | 9776 | /* If we are not using addpath then we can display Advertised to and |
9777 | * that will | |
9778 | * show what peers we advertised the bestpath to. If we are using | |
9779 | * addpath | |
9780 | * though then we must display Advertised to on a path-by-path basis. */ | |
dcc68b5e | 9781 | if (!bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { |
d62a17ae | 9782 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { |
9783 | if (bgp_adj_out_lookup(peer, rn, 0)) { | |
9784 | if (json && !json_adv_to) | |
9785 | json_adv_to = json_object_new_object(); | |
9786 | ||
9787 | route_vty_out_advertised_to( | |
9788 | vty, peer, &first, | |
9789 | " Advertised to non peer-group peers:\n ", | |
9790 | json_adv_to); | |
9791 | } | |
9792 | } | |
9793 | ||
9794 | if (json) { | |
9795 | if (json_adv_to) { | |
9796 | json_object_object_add(json, "advertisedTo", | |
9797 | json_adv_to); | |
9798 | } | |
9799 | } else { | |
9800 | if (first) | |
9801 | vty_out(vty, " Not advertised to any peer"); | |
9802 | vty_out(vty, "\n"); | |
9803 | } | |
9804 | } | |
718e3744 | 9805 | } |
9806 | ||
9807 | /* Display specified route of BGP table. */ | |
d62a17ae | 9808 | static int bgp_show_route_in_table(struct vty *vty, struct bgp *bgp, |
9809 | struct bgp_table *rib, const char *ip_str, | |
9810 | afi_t afi, safi_t safi, | |
9811 | struct prefix_rd *prd, int prefix_check, | |
9f049418 | 9812 | enum bgp_path_type pathtype, bool use_json) |
d62a17ae | 9813 | { |
9814 | int ret; | |
9815 | int header; | |
9816 | int display = 0; | |
9817 | struct prefix match; | |
9818 | struct bgp_node *rn; | |
9819 | struct bgp_node *rm; | |
40381db7 | 9820 | struct bgp_path_info *pi; |
d62a17ae | 9821 | struct bgp_table *table; |
9822 | json_object *json = NULL; | |
9823 | json_object *json_paths = NULL; | |
9824 | ||
9825 | /* Check IP address argument. */ | |
9826 | ret = str2prefix(ip_str, &match); | |
9827 | if (!ret) { | |
9828 | vty_out(vty, "address is malformed\n"); | |
9829 | return CMD_WARNING; | |
9830 | } | |
718e3744 | 9831 | |
d62a17ae | 9832 | match.family = afi2family(afi); |
b05a1c8b | 9833 | |
d62a17ae | 9834 | if (use_json) { |
9835 | json = json_object_new_object(); | |
9836 | json_paths = json_object_new_array(); | |
9837 | } | |
718e3744 | 9838 | |
d62a17ae | 9839 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP || safi == SAFI_EVPN) { |
9840 | for (rn = bgp_table_top(rib); rn; rn = bgp_route_next(rn)) { | |
9841 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
9842 | continue; | |
67009e22 DS |
9843 | table = bgp_node_get_bgp_table_info(rn); |
9844 | if (!table) | |
ea47320b | 9845 | continue; |
d62a17ae | 9846 | |
ea47320b DL |
9847 | header = 1; |
9848 | ||
9849 | if ((rm = bgp_node_match(table, &match)) == NULL) | |
9850 | continue; | |
d62a17ae | 9851 | |
ea47320b DL |
9852 | if (prefix_check |
9853 | && rm->p.prefixlen != match.prefixlen) { | |
9854 | bgp_unlock_node(rm); | |
9855 | continue; | |
9856 | } | |
d62a17ae | 9857 | |
6f94b685 DS |
9858 | for (pi = bgp_node_get_bgp_path_info(rm); pi; |
9859 | pi = pi->next) { | |
ea47320b | 9860 | if (header) { |
60466a63 QY |
9861 | route_vty_out_detail_header( |
9862 | vty, bgp, rm, | |
9863 | (struct prefix_rd *)&rn->p, | |
ea47320b DL |
9864 | AFI_IP, safi, json); |
9865 | header = 0; | |
d62a17ae | 9866 | } |
ea47320b DL |
9867 | display++; |
9868 | ||
360660c6 DS |
9869 | if (pathtype == BGP_PATH_SHOW_ALL |
9870 | || (pathtype == BGP_PATH_SHOW_BESTPATH | |
40381db7 | 9871 | && CHECK_FLAG(pi->flags, |
1defdda8 | 9872 | BGP_PATH_SELECTED)) |
360660c6 | 9873 | || (pathtype == BGP_PATH_SHOW_MULTIPATH |
40381db7 | 9874 | && (CHECK_FLAG(pi->flags, |
1defdda8 | 9875 | BGP_PATH_MULTIPATH) |
40381db7 | 9876 | || CHECK_FLAG(pi->flags, |
1defdda8 | 9877 | BGP_PATH_SELECTED)))) |
f08b5ca0 | 9878 | route_vty_out_detail(vty, bgp, rm, |
40381db7 | 9879 | pi, AFI_IP, safi, |
ea47320b | 9880 | json_paths); |
d62a17ae | 9881 | } |
ea47320b DL |
9882 | |
9883 | bgp_unlock_node(rm); | |
d62a17ae | 9884 | } |
98a9dbc7 | 9885 | } else if (safi == SAFI_FLOWSPEC) { |
63a0b7a9 PG |
9886 | display = bgp_flowspec_display_match_per_ip(afi, rib, |
9887 | &match, prefix_check, | |
9888 | vty, | |
9889 | use_json, | |
9890 | json_paths); | |
d62a17ae | 9891 | } else { |
9892 | header = 1; | |
9893 | ||
9894 | if ((rn = bgp_node_match(rib, &match)) != NULL) { | |
9895 | if (!prefix_check | |
9896 | || rn->p.prefixlen == match.prefixlen) { | |
6f94b685 DS |
9897 | for (pi = bgp_node_get_bgp_path_info(rn); pi; |
9898 | pi = pi->next) { | |
d62a17ae | 9899 | if (header) { |
9900 | route_vty_out_detail_header( | |
9901 | vty, bgp, rn, NULL, afi, | |
9902 | safi, json); | |
9903 | header = 0; | |
9904 | } | |
9905 | display++; | |
9906 | ||
360660c6 DS |
9907 | if (pathtype == BGP_PATH_SHOW_ALL |
9908 | || (pathtype | |
9909 | == BGP_PATH_SHOW_BESTPATH | |
d62a17ae | 9910 | && CHECK_FLAG( |
40381db7 | 9911 | pi->flags, |
1defdda8 | 9912 | BGP_PATH_SELECTED)) |
360660c6 DS |
9913 | || (pathtype |
9914 | == BGP_PATH_SHOW_MULTIPATH | |
d62a17ae | 9915 | && (CHECK_FLAG( |
40381db7 | 9916 | pi->flags, |
1defdda8 | 9917 | BGP_PATH_MULTIPATH) |
d62a17ae | 9918 | || CHECK_FLAG( |
40381db7 | 9919 | pi->flags, |
1defdda8 | 9920 | BGP_PATH_SELECTED)))) |
d62a17ae | 9921 | route_vty_out_detail( |
f08b5ca0 | 9922 | vty, bgp, rn, pi, |
d62a17ae | 9923 | afi, safi, json_paths); |
9924 | } | |
9925 | } | |
9926 | ||
9927 | bgp_unlock_node(rn); | |
9928 | } | |
9929 | } | |
e5eee9af | 9930 | |
d62a17ae | 9931 | if (use_json) { |
9932 | if (display) | |
9933 | json_object_object_add(json, "paths", json_paths); | |
9934 | ||
996c9314 LB |
9935 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
9936 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 9937 | json_object_free(json); |
9938 | } else { | |
9939 | if (!display) { | |
9940 | vty_out(vty, "%% Network not in table\n"); | |
9941 | return CMD_WARNING; | |
9942 | } | |
9943 | } | |
b05a1c8b | 9944 | |
d62a17ae | 9945 | return CMD_SUCCESS; |
718e3744 | 9946 | } |
9947 | ||
fee0f4c6 | 9948 | /* Display specified route of Main RIB */ |
d62a17ae | 9949 | static int bgp_show_route(struct vty *vty, struct bgp *bgp, const char *ip_str, |
9950 | afi_t afi, safi_t safi, struct prefix_rd *prd, | |
9951 | int prefix_check, enum bgp_path_type pathtype, | |
9f049418 | 9952 | bool use_json) |
d62a17ae | 9953 | { |
9b86009a | 9954 | if (!bgp) { |
d62a17ae | 9955 | bgp = bgp_get_default(); |
9b86009a RW |
9956 | if (!bgp) { |
9957 | if (!use_json) | |
9958 | vty_out(vty, "No BGP process is configured\n"); | |
16307668 RW |
9959 | else |
9960 | vty_out(vty, "{}\n"); | |
9b86009a RW |
9961 | return CMD_WARNING; |
9962 | } | |
9963 | } | |
d62a17ae | 9964 | |
9965 | /* labeled-unicast routes live in the unicast table */ | |
9966 | if (safi == SAFI_LABELED_UNICAST) | |
9967 | safi = SAFI_UNICAST; | |
9968 | ||
9969 | return bgp_show_route_in_table(vty, bgp, bgp->rib[afi][safi], ip_str, | |
9970 | afi, safi, prd, prefix_check, pathtype, | |
9971 | use_json); | |
9972 | } | |
9973 | ||
9974 | static int bgp_show_lcommunity(struct vty *vty, struct bgp *bgp, int argc, | |
36a206db | 9975 | struct cmd_token **argv, bool exact, afi_t afi, |
9976 | safi_t safi, bool uj) | |
d62a17ae | 9977 | { |
9978 | struct lcommunity *lcom; | |
9979 | struct buffer *b; | |
9980 | int i; | |
9981 | char *str; | |
9982 | int first = 0; | |
9983 | ||
9984 | b = buffer_new(1024); | |
9985 | for (i = 0; i < argc; i++) { | |
9986 | if (first) | |
9987 | buffer_putc(b, ' '); | |
9988 | else { | |
9989 | if (strmatch(argv[i]->text, "AA:BB:CC")) { | |
9990 | first = 1; | |
9991 | buffer_putstr(b, argv[i]->arg); | |
9992 | } | |
9993 | } | |
9994 | } | |
9995 | buffer_putc(b, '\0'); | |
57d187bc | 9996 | |
d62a17ae | 9997 | str = buffer_getstr(b); |
9998 | buffer_free(b); | |
57d187bc | 9999 | |
d62a17ae | 10000 | lcom = lcommunity_str2com(str); |
10001 | XFREE(MTYPE_TMP, str); | |
10002 | if (!lcom) { | |
10003 | vty_out(vty, "%% Large-community malformed\n"); | |
10004 | return CMD_WARNING; | |
10005 | } | |
57d187bc | 10006 | |
36a206db | 10007 | return bgp_show(vty, bgp, afi, safi, |
10008 | (exact ? bgp_show_type_lcommunity_exact | |
10009 | : bgp_show_type_lcommunity), | |
10010 | lcom, uj); | |
57d187bc JS |
10011 | } |
10012 | ||
d62a17ae | 10013 | static int bgp_show_lcommunity_list(struct vty *vty, struct bgp *bgp, |
36a206db | 10014 | const char *lcom, bool exact, afi_t afi, |
10015 | safi_t safi, bool uj) | |
57d187bc | 10016 | { |
d62a17ae | 10017 | struct community_list *list; |
57d187bc | 10018 | |
e237b0d2 | 10019 | list = community_list_lookup(bgp_clist, lcom, 0, |
d62a17ae | 10020 | LARGE_COMMUNITY_LIST_MASTER); |
10021 | if (list == NULL) { | |
10022 | vty_out(vty, "%% %s is not a valid large-community-list name\n", | |
10023 | lcom); | |
10024 | return CMD_WARNING; | |
10025 | } | |
57d187bc | 10026 | |
36a206db | 10027 | return bgp_show(vty, bgp, afi, safi, |
10028 | (exact ? bgp_show_type_lcommunity_list_exact | |
10029 | : bgp_show_type_lcommunity_list), | |
d62a17ae | 10030 | list, uj); |
fee0f4c6 | 10031 | } |
10032 | ||
52951b63 DS |
10033 | DEFUN (show_ip_bgp_large_community_list, |
10034 | show_ip_bgp_large_community_list_cmd, | |
36a206db | 10035 | "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 |
10036 | SHOW_STR |
10037 | IP_STR | |
10038 | BGP_STR | |
10039 | BGP_INSTANCE_HELP_STR | |
9bedbb1e | 10040 | BGP_AFI_HELP_STR |
4dd6177e | 10041 | BGP_SAFI_WITH_LABEL_HELP_STR |
52951b63 DS |
10042 | "Display routes matching the large-community-list\n" |
10043 | "large-community-list number\n" | |
10044 | "large-community-list name\n" | |
36a206db | 10045 | "Exact match of the large-communities\n" |
52951b63 DS |
10046 | JSON_STR) |
10047 | { | |
d62a17ae | 10048 | char *vrf = NULL; |
10049 | afi_t afi = AFI_IP6; | |
10050 | safi_t safi = SAFI_UNICAST; | |
10051 | int idx = 0; | |
36a206db | 10052 | bool exact_match = 0; |
d62a17ae | 10053 | |
10054 | if (argv_find(argv, argc, "ip", &idx)) | |
10055 | afi = AFI_IP; | |
10056 | if (argv_find(argv, argc, "view", &idx) | |
10057 | || argv_find(argv, argc, "vrf", &idx)) | |
10058 | vrf = argv[++idx]->arg; | |
10059 | if (argv_find(argv, argc, "ipv4", &idx) | |
10060 | || argv_find(argv, argc, "ipv6", &idx)) { | |
10061 | afi = strmatch(argv[idx]->text, "ipv6") ? AFI_IP6 : AFI_IP; | |
10062 | if (argv_find(argv, argc, "unicast", &idx) | |
10063 | || argv_find(argv, argc, "multicast", &idx)) | |
10064 | safi = bgp_vty_safi_from_str(argv[idx]->text); | |
10065 | } | |
10066 | ||
9f049418 | 10067 | bool uj = use_json(argc, argv); |
d62a17ae | 10068 | |
10069 | struct bgp *bgp = bgp_lookup_by_name(vrf); | |
10070 | if (bgp == NULL) { | |
10071 | vty_out(vty, "Can't find BGP instance %s\n", vrf); | |
10072 | return CMD_WARNING; | |
10073 | } | |
10074 | ||
10075 | argv_find(argv, argc, "large-community-list", &idx); | |
36a206db | 10076 | |
10077 | const char *clist_number_or_name = argv[++idx]->arg; | |
10078 | ||
10079 | if (++idx < argc && strmatch(argv[idx]->text, "exact-match")) | |
10080 | exact_match = 1; | |
10081 | ||
10082 | return bgp_show_lcommunity_list(vty, bgp, clist_number_or_name, | |
10083 | exact_match, afi, safi, uj); | |
52951b63 DS |
10084 | } |
10085 | DEFUN (show_ip_bgp_large_community, | |
10086 | show_ip_bgp_large_community_cmd, | |
36a206db | 10087 | "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 |
10088 | SHOW_STR |
10089 | IP_STR | |
10090 | BGP_STR | |
10091 | BGP_INSTANCE_HELP_STR | |
9bedbb1e | 10092 | BGP_AFI_HELP_STR |
4dd6177e | 10093 | BGP_SAFI_WITH_LABEL_HELP_STR |
52951b63 DS |
10094 | "Display routes matching the large-communities\n" |
10095 | "List of large-community numbers\n" | |
36a206db | 10096 | "Exact match of the large-communities\n" |
52951b63 DS |
10097 | JSON_STR) |
10098 | { | |
d62a17ae | 10099 | char *vrf = NULL; |
10100 | afi_t afi = AFI_IP6; | |
10101 | safi_t safi = SAFI_UNICAST; | |
10102 | int idx = 0; | |
36a206db | 10103 | bool exact_match = 0; |
d62a17ae | 10104 | |
10105 | if (argv_find(argv, argc, "ip", &idx)) | |
10106 | afi = AFI_IP; | |
10107 | if (argv_find(argv, argc, "view", &idx) | |
10108 | || argv_find(argv, argc, "vrf", &idx)) | |
10109 | vrf = argv[++idx]->arg; | |
10110 | if (argv_find(argv, argc, "ipv4", &idx) | |
10111 | || argv_find(argv, argc, "ipv6", &idx)) { | |
10112 | afi = strmatch(argv[idx]->text, "ipv6") ? AFI_IP6 : AFI_IP; | |
10113 | if (argv_find(argv, argc, "unicast", &idx) | |
10114 | || argv_find(argv, argc, "multicast", &idx)) | |
10115 | safi = bgp_vty_safi_from_str(argv[idx]->text); | |
10116 | } | |
10117 | ||
9f049418 | 10118 | bool uj = use_json(argc, argv); |
d62a17ae | 10119 | |
10120 | struct bgp *bgp = bgp_lookup_by_name(vrf); | |
10121 | if (bgp == NULL) { | |
10122 | vty_out(vty, "Can't find BGP instance %s\n", vrf); | |
10123 | return CMD_WARNING; | |
10124 | } | |
10125 | ||
36a206db | 10126 | if (argv_find(argv, argc, "AA:BB:CC", &idx)) { |
10127 | if (argv_find(argv, argc, "exact-match", &idx)) | |
10128 | exact_match = 1; | |
10129 | return bgp_show_lcommunity(vty, bgp, argc, argv, | |
10130 | exact_match, afi, safi, uj); | |
10131 | } else | |
d62a17ae | 10132 | return bgp_show(vty, bgp, afi, safi, |
10133 | bgp_show_type_lcommunity_all, NULL, uj); | |
52951b63 DS |
10134 | } |
10135 | ||
d62a17ae | 10136 | static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi, |
10137 | safi_t safi); | |
e01ca200 | 10138 | |
7b2ff250 DW |
10139 | |
10140 | /* BGP route print out function without JSON */ | |
af462945 DS |
10141 | DEFUN (show_ip_bgp, |
10142 | show_ip_bgp_cmd, | |
4dd6177e | 10143 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]\ |
7b2ff250 DW |
10144 | <dampening <parameters>\ |
10145 | |route-map WORD\ | |
10146 | |prefix-list WORD\ | |
10147 | |filter-list WORD\ | |
10148 | |statistics\ | |
7b2ff250 DW |
10149 | |community-list <(1-500)|WORD> [exact-match]\ |
10150 | |A.B.C.D/M longer-prefixes\ | |
10151 | |X:X::X:X/M longer-prefixes\ | |
10152 | >", | |
718e3744 | 10153 | SHOW_STR |
10154 | IP_STR | |
10155 | BGP_STR | |
a636c635 | 10156 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10157 | BGP_AFI_HELP_STR |
4dd6177e | 10158 | BGP_SAFI_WITH_LABEL_HELP_STR |
a636c635 | 10159 | "Display detailed information about dampening\n" |
af462945 | 10160 | "Display detail of configured dampening parameters\n" |
a636c635 DW |
10161 | "Display routes matching the route-map\n" |
10162 | "A route-map to match on\n" | |
10163 | "Display routes conforming to the prefix-list\n" | |
8c3deaae | 10164 | "Prefix-list name\n" |
a636c635 DW |
10165 | "Display routes conforming to the filter-list\n" |
10166 | "Regular expression access list name\n" | |
e01ca200 | 10167 | "BGP RIB advertisement statistics\n" |
a636c635 DW |
10168 | "Display routes matching the community-list\n" |
10169 | "community-list number\n" | |
10170 | "community-list name\n" | |
10171 | "Exact match of the communities\n" | |
0c7b1b01 | 10172 | "IPv4 prefix\n" |
8c3deaae | 10173 | "Display route and more specific routes\n" |
0c7b1b01 | 10174 | "IPv6 prefix\n" |
7b2ff250 | 10175 | "Display route and more specific routes\n") |
718e3744 | 10176 | { |
d62a17ae | 10177 | afi_t afi = AFI_IP6; |
10178 | safi_t safi = SAFI_UNICAST; | |
10179 | int exact_match = 0; | |
d62a17ae | 10180 | struct bgp *bgp = NULL; |
10181 | int idx = 0; | |
10182 | ||
10183 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10184 | &bgp, false); |
d62a17ae | 10185 | if (!idx) |
10186 | return CMD_WARNING; | |
10187 | ||
d62a17ae | 10188 | if (argv_find(argv, argc, "dampening", &idx)) { |
7b2ff250 | 10189 | if (argv_find(argv, argc, "parameters", &idx)) |
d62a17ae | 10190 | return bgp_show_dampening_parameters(vty, afi, safi); |
10191 | } | |
c016b6c7 | 10192 | |
d62a17ae | 10193 | if (argv_find(argv, argc, "prefix-list", &idx)) |
10194 | return bgp_show_prefix_list(vty, bgp, argv[idx + 1]->arg, afi, | |
10195 | safi, bgp_show_type_prefix_list); | |
10196 | ||
10197 | if (argv_find(argv, argc, "filter-list", &idx)) | |
10198 | return bgp_show_filter_list(vty, bgp, argv[idx + 1]->arg, afi, | |
10199 | safi, bgp_show_type_filter_list); | |
10200 | ||
10201 | if (argv_find(argv, argc, "statistics", &idx)) | |
10202 | return bgp_table_stats(vty, bgp, afi, safi); | |
10203 | ||
10204 | if (argv_find(argv, argc, "route-map", &idx)) | |
10205 | return bgp_show_route_map(vty, bgp, argv[idx + 1]->arg, afi, | |
10206 | safi, bgp_show_type_route_map); | |
10207 | ||
d62a17ae | 10208 | if (argv_find(argv, argc, "community-list", &idx)) { |
10209 | const char *clist_number_or_name = argv[++idx]->arg; | |
10210 | if (++idx < argc && strmatch(argv[idx]->text, "exact-match")) | |
10211 | exact_match = 1; | |
10212 | return bgp_show_community_list(vty, bgp, clist_number_or_name, | |
10213 | exact_match, afi, safi); | |
10214 | } | |
10215 | /* prefix-longer */ | |
10216 | if (argv_find(argv, argc, "A.B.C.D/M", &idx) | |
10217 | || argv_find(argv, argc, "X:X::X:X/M", &idx)) | |
10218 | return bgp_show_prefix_longer(vty, bgp, argv[idx]->arg, afi, | |
10219 | safi, | |
10220 | bgp_show_type_prefix_longer); | |
10221 | ||
7b2ff250 DW |
10222 | return CMD_WARNING; |
10223 | } | |
10224 | ||
10225 | /* BGP route print out function with JSON */ | |
10226 | DEFUN (show_ip_bgp_json, | |
10227 | show_ip_bgp_json_cmd, | |
10228 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]\ | |
cf4898bc QY |
10229 | [cidr-only\ |
10230 | |dampening <flap-statistics|dampened-paths>\ | |
10231 | |community [AA:NN|local-AS|no-advertise|no-export\ | |
10232 | |graceful-shutdown|no-peer|blackhole|llgr-stale|no-llgr\ | |
10233 | |accept-own|accept-own-nexthop|route-filter-v6\ | |
10234 | |route-filter-v4|route-filter-translated-v6\ | |
10235 | |route-filter-translated-v4] [exact-match]\ | |
10236 | ] [json]", | |
7b2ff250 DW |
10237 | SHOW_STR |
10238 | IP_STR | |
10239 | BGP_STR | |
10240 | BGP_INSTANCE_HELP_STR | |
10241 | BGP_AFI_HELP_STR | |
10242 | BGP_SAFI_WITH_LABEL_HELP_STR | |
10243 | "Display only routes with non-natural netmasks\n" | |
10244 | "Display detailed information about dampening\n" | |
10245 | "Display flap statistics of routes\n" | |
10246 | "Display paths suppressed due to dampening\n" | |
10247 | "Display routes matching the communities\n" | |
d0086e8e AD |
10248 | COMMUNITY_AANN_STR |
10249 | "Do not send outside local AS (well-known community)\n" | |
10250 | "Do not advertise to any peer (well-known community)\n" | |
10251 | "Do not export to next AS (well-known community)\n" | |
10252 | "Graceful shutdown (well-known community)\n" | |
cf4898bc QY |
10253 | "Do not export to any peer (well-known community)\n" |
10254 | "Inform EBGP peers to blackhole traffic to prefix (well-known community)\n" | |
10255 | "Staled Long-lived Graceful Restart VPN route (well-known community)\n" | |
10256 | "Removed because Long-lived Graceful Restart was not enabled for VPN route (well-known community)\n" | |
10257 | "Should accept local VPN route if exported and imported into different VRF (well-known community)\n" | |
10258 | "Should accept VPN route with local nexthop (well-known community)\n" | |
10259 | "RT VPNv6 route filtering (well-known community)\n" | |
10260 | "RT VPNv4 route filtering (well-known community)\n" | |
10261 | "RT translated VPNv6 route filtering (well-known community)\n" | |
10262 | "RT translated VPNv4 route filtering (well-known community)\n" | |
d0086e8e | 10263 | "Exact match of the communities\n" |
7b2ff250 DW |
10264 | JSON_STR) |
10265 | { | |
10266 | afi_t afi = AFI_IP6; | |
10267 | safi_t safi = SAFI_UNICAST; | |
10268 | enum bgp_show_type sh_type = bgp_show_type_normal; | |
10269 | struct bgp *bgp = NULL; | |
10270 | int idx = 0; | |
d0086e8e | 10271 | int exact_match = 0; |
9f049418 DS |
10272 | bool uj = use_json(argc, argv); |
10273 | ||
10274 | if (uj) | |
10275 | argc--; | |
7b2ff250 DW |
10276 | |
10277 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10278 | &bgp, uj); |
7b2ff250 DW |
10279 | if (!idx) |
10280 | return CMD_WARNING; | |
10281 | ||
7b2ff250 DW |
10282 | if (argv_find(argv, argc, "cidr-only", &idx)) |
10283 | return bgp_show(vty, bgp, afi, safi, bgp_show_type_cidr_only, | |
10284 | NULL, uj); | |
10285 | ||
10286 | if (argv_find(argv, argc, "dampening", &idx)) { | |
10287 | if (argv_find(argv, argc, "dampened-paths", &idx)) | |
10288 | return bgp_show(vty, bgp, afi, safi, | |
10289 | bgp_show_type_dampend_paths, NULL, uj); | |
10290 | else if (argv_find(argv, argc, "flap-statistics", &idx)) | |
10291 | return bgp_show(vty, bgp, afi, safi, | |
10292 | bgp_show_type_flap_statistics, NULL, | |
10293 | uj); | |
10294 | } | |
10295 | ||
10296 | if (argv_find(argv, argc, "community", &idx)) { | |
79bc257a | 10297 | char *maybecomm = NULL; |
cf4898bc | 10298 | char *community = NULL; |
d0086e8e | 10299 | |
79bc257a RW |
10300 | if (idx + 1 < argc) { |
10301 | if (argv[idx + 1]->type == VARIABLE_TKN) | |
10302 | maybecomm = argv[idx + 1]->arg; | |
10303 | else | |
10304 | maybecomm = argv[idx + 1]->text; | |
10305 | } | |
10306 | ||
cf4898bc QY |
10307 | if (maybecomm && !strmatch(maybecomm, "json") |
10308 | && !strmatch(maybecomm, "exact-match")) | |
10309 | community = maybecomm; | |
d0086e8e | 10310 | |
cf4898bc QY |
10311 | if (argv_find(argv, argc, "exact-match", &idx)) |
10312 | exact_match = 1; | |
d0086e8e | 10313 | |
cf4898bc QY |
10314 | if (community) |
10315 | return bgp_show_community(vty, bgp, community, | |
10316 | exact_match, afi, safi, uj); | |
10317 | else | |
d0086e8e | 10318 | return (bgp_show(vty, bgp, afi, safi, |
cf4898bc QY |
10319 | bgp_show_type_community_all, NULL, |
10320 | uj)); | |
7b2ff250 | 10321 | } |
d0086e8e | 10322 | |
1ae44dfc | 10323 | return bgp_show(vty, bgp, afi, safi, sh_type, NULL, uj); |
a636c635 | 10324 | } |
47fc97cc | 10325 | |
718e3744 | 10326 | DEFUN (show_ip_bgp_route, |
10327 | show_ip_bgp_route_cmd, | |
4dd6177e | 10328 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]" |
ae19d7dd | 10329 | "<A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> [<bestpath|multipath>] [json]", |
718e3744 | 10330 | SHOW_STR |
10331 | IP_STR | |
10332 | BGP_STR | |
a636c635 | 10333 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10334 | BGP_AFI_HELP_STR |
4dd6177e | 10335 | BGP_SAFI_WITH_LABEL_HELP_STR |
b05a1c8b | 10336 | "Network in the BGP routing table to display\n" |
0c7b1b01 | 10337 | "IPv4 prefix\n" |
8c3deaae | 10338 | "Network in the BGP routing table to display\n" |
0c7b1b01 | 10339 | "IPv6 prefix\n" |
4092b06c | 10340 | "Display only the bestpath\n" |
b05a1c8b | 10341 | "Display only multipaths\n" |
9973d184 | 10342 | JSON_STR) |
4092b06c | 10343 | { |
d62a17ae | 10344 | int prefix_check = 0; |
ae19d7dd | 10345 | |
d62a17ae | 10346 | afi_t afi = AFI_IP6; |
10347 | safi_t safi = SAFI_UNICAST; | |
10348 | char *prefix = NULL; | |
10349 | struct bgp *bgp = NULL; | |
10350 | enum bgp_path_type path_type; | |
9f049418 | 10351 | bool uj = use_json(argc, argv); |
b05a1c8b | 10352 | |
d62a17ae | 10353 | int idx = 0; |
ae19d7dd | 10354 | |
d62a17ae | 10355 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 10356 | &bgp, uj); |
d62a17ae | 10357 | if (!idx) |
10358 | return CMD_WARNING; | |
c41247f5 | 10359 | |
d62a17ae | 10360 | if (!bgp) { |
10361 | vty_out(vty, | |
10362 | "Specified 'all' vrf's but this command currently only works per view/vrf\n"); | |
10363 | return CMD_WARNING; | |
10364 | } | |
a636c635 | 10365 | |
d62a17ae | 10366 | /* <A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> */ |
10367 | if (argv_find(argv, argc, "A.B.C.D", &idx) | |
10368 | || argv_find(argv, argc, "X:X::X:X", &idx)) | |
10369 | prefix_check = 0; | |
10370 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx) | |
10371 | || argv_find(argv, argc, "X:X::X:X/M", &idx)) | |
10372 | prefix_check = 1; | |
10373 | ||
10374 | if ((argv[idx]->type == IPV6_TKN || argv[idx]->type == IPV6_PREFIX_TKN) | |
10375 | && afi != AFI_IP6) { | |
10376 | vty_out(vty, | |
10377 | "%% Cannot specify IPv6 address or prefix with IPv4 AFI\n"); | |
10378 | return CMD_WARNING; | |
10379 | } | |
10380 | if ((argv[idx]->type == IPV4_TKN || argv[idx]->type == IPV4_PREFIX_TKN) | |
10381 | && afi != AFI_IP) { | |
10382 | vty_out(vty, | |
10383 | "%% Cannot specify IPv4 address or prefix with IPv6 AFI\n"); | |
10384 | return CMD_WARNING; | |
10385 | } | |
10386 | ||
10387 | prefix = argv[idx]->arg; | |
10388 | ||
10389 | /* [<bestpath|multipath>] */ | |
10390 | if (argv_find(argv, argc, "bestpath", &idx)) | |
360660c6 | 10391 | path_type = BGP_PATH_SHOW_BESTPATH; |
d62a17ae | 10392 | else if (argv_find(argv, argc, "multipath", &idx)) |
360660c6 | 10393 | path_type = BGP_PATH_SHOW_MULTIPATH; |
d62a17ae | 10394 | else |
360660c6 | 10395 | path_type = BGP_PATH_SHOW_ALL; |
a636c635 | 10396 | |
d62a17ae | 10397 | return bgp_show_route(vty, bgp, prefix, afi, safi, NULL, prefix_check, |
10398 | path_type, uj); | |
4092b06c DS |
10399 | } |
10400 | ||
8c3deaae QY |
10401 | DEFUN (show_ip_bgp_regexp, |
10402 | show_ip_bgp_regexp_cmd, | |
4dd6177e | 10403 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] regexp REGEX...", |
8c3deaae QY |
10404 | SHOW_STR |
10405 | IP_STR | |
10406 | BGP_STR | |
b00b230a | 10407 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10408 | BGP_AFI_HELP_STR |
4dd6177e | 10409 | BGP_SAFI_WITH_LABEL_HELP_STR |
8c3deaae | 10410 | "Display routes matching the AS path regular expression\n" |
a818ea74 | 10411 | "A regular-expression (1234567890_^|[,{}() ]$*+.?-\\) to match the BGP AS paths\n") |
8c3deaae | 10412 | { |
d62a17ae | 10413 | afi_t afi = AFI_IP6; |
10414 | safi_t safi = SAFI_UNICAST; | |
10415 | struct bgp *bgp = NULL; | |
8c3deaae | 10416 | |
d62a17ae | 10417 | int idx = 0; |
10418 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10419 | &bgp, false); |
d62a17ae | 10420 | if (!idx) |
10421 | return CMD_WARNING; | |
8c3deaae | 10422 | |
d62a17ae | 10423 | // get index of regex |
10424 | argv_find(argv, argc, "regexp", &idx); | |
10425 | idx++; | |
8c3deaae | 10426 | |
d62a17ae | 10427 | char *regstr = argv_concat(argv, argc, idx); |
e889891d | 10428 | int rc = bgp_show_regexp(vty, bgp, (const char *)regstr, afi, safi, |
d62a17ae | 10429 | bgp_show_type_regexp); |
10430 | XFREE(MTYPE_TMP, regstr); | |
10431 | return rc; | |
8c3deaae QY |
10432 | } |
10433 | ||
a636c635 DW |
10434 | DEFUN (show_ip_bgp_instance_all, |
10435 | show_ip_bgp_instance_all_cmd, | |
4dd6177e | 10436 | "show [ip] bgp <view|vrf> all ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] [json]", |
4092b06c | 10437 | SHOW_STR |
a636c635 | 10438 | IP_STR |
4092b06c | 10439 | BGP_STR |
a636c635 | 10440 | BGP_INSTANCE_ALL_HELP_STR |
4f280b15 | 10441 | BGP_AFI_HELP_STR |
4dd6177e | 10442 | BGP_SAFI_WITH_LABEL_HELP_STR |
9973d184 | 10443 | JSON_STR) |
4092b06c | 10444 | { |
d62a17ae | 10445 | afi_t afi = AFI_IP; |
10446 | safi_t safi = SAFI_UNICAST; | |
10447 | struct bgp *bgp = NULL; | |
d62a17ae | 10448 | int idx = 0; |
9f049418 | 10449 | bool uj = use_json(argc, argv); |
ae19d7dd | 10450 | |
d62a17ae | 10451 | if (uj) |
10452 | argc--; | |
e3e29b32 | 10453 | |
9f049418 DS |
10454 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
10455 | &bgp, uj); | |
10456 | if (!idx) | |
10457 | return CMD_WARNING; | |
10458 | ||
d62a17ae | 10459 | bgp_show_all_instances_routes_vty(vty, afi, safi, uj); |
10460 | return CMD_SUCCESS; | |
e3e29b32 LB |
10461 | } |
10462 | ||
a4d82a8a PZ |
10463 | static int bgp_show_regexp(struct vty *vty, struct bgp *bgp, const char *regstr, |
10464 | afi_t afi, safi_t safi, enum bgp_show_type type) | |
718e3744 | 10465 | { |
d62a17ae | 10466 | regex_t *regex; |
10467 | int rc; | |
e3e29b32 | 10468 | |
c3900853 DA |
10469 | if (!config_bgp_aspath_validate(regstr)) { |
10470 | vty_out(vty, "Invalid character in as-path access-list %s\n", | |
10471 | regstr); | |
10472 | return CMD_WARNING_CONFIG_FAILED; | |
10473 | } | |
10474 | ||
d62a17ae | 10475 | regex = bgp_regcomp(regstr); |
10476 | if (!regex) { | |
10477 | vty_out(vty, "Can't compile regexp %s\n", regstr); | |
10478 | return CMD_WARNING; | |
10479 | } | |
a636c635 | 10480 | |
e889891d | 10481 | rc = bgp_show(vty, bgp, afi, safi, type, regex, 0); |
d62a17ae | 10482 | bgp_regex_free(regex); |
10483 | return rc; | |
e3e29b32 LB |
10484 | } |
10485 | ||
d62a17ae | 10486 | static int bgp_show_prefix_list(struct vty *vty, struct bgp *bgp, |
10487 | const char *prefix_list_str, afi_t afi, | |
10488 | safi_t safi, enum bgp_show_type type) | |
e3e29b32 | 10489 | { |
d62a17ae | 10490 | struct prefix_list *plist; |
718e3744 | 10491 | |
d62a17ae | 10492 | plist = prefix_list_lookup(afi, prefix_list_str); |
10493 | if (plist == NULL) { | |
10494 | vty_out(vty, "%% %s is not a valid prefix-list name\n", | |
10495 | prefix_list_str); | |
10496 | return CMD_WARNING; | |
10497 | } | |
718e3744 | 10498 | |
d62a17ae | 10499 | return bgp_show(vty, bgp, afi, safi, type, plist, 0); |
4092b06c DS |
10500 | } |
10501 | ||
d62a17ae | 10502 | static int bgp_show_filter_list(struct vty *vty, struct bgp *bgp, |
10503 | const char *filter, afi_t afi, safi_t safi, | |
10504 | enum bgp_show_type type) | |
4092b06c | 10505 | { |
d62a17ae | 10506 | struct as_list *as_list; |
718e3744 | 10507 | |
d62a17ae | 10508 | as_list = as_list_lookup(filter); |
10509 | if (as_list == NULL) { | |
10510 | vty_out(vty, "%% %s is not a valid AS-path access-list name\n", | |
10511 | filter); | |
10512 | return CMD_WARNING; | |
10513 | } | |
a636c635 | 10514 | |
d62a17ae | 10515 | return bgp_show(vty, bgp, afi, safi, type, as_list, 0); |
718e3744 | 10516 | } |
10517 | ||
d62a17ae | 10518 | static int bgp_show_route_map(struct vty *vty, struct bgp *bgp, |
10519 | const char *rmap_str, afi_t afi, safi_t safi, | |
10520 | enum bgp_show_type type) | |
718e3744 | 10521 | { |
d62a17ae | 10522 | struct route_map *rmap; |
bb46e94f | 10523 | |
d62a17ae | 10524 | rmap = route_map_lookup_by_name(rmap_str); |
10525 | if (!rmap) { | |
10526 | vty_out(vty, "%% %s is not a valid route-map name\n", rmap_str); | |
10527 | return CMD_WARNING; | |
10528 | } | |
10529 | ||
10530 | return bgp_show(vty, bgp, afi, safi, type, rmap, 0); | |
10531 | } | |
10532 | ||
7f323236 DW |
10533 | static int bgp_show_community(struct vty *vty, struct bgp *bgp, |
10534 | const char *comstr, int exact, afi_t afi, | |
9f049418 | 10535 | safi_t safi, bool use_json) |
d62a17ae | 10536 | { |
10537 | struct community *com; | |
d62a17ae | 10538 | int ret = 0; |
10539 | ||
7f323236 | 10540 | com = community_str2com(comstr); |
d62a17ae | 10541 | if (!com) { |
7f323236 | 10542 | vty_out(vty, "%% Community malformed: %s\n", comstr); |
d62a17ae | 10543 | return CMD_WARNING; |
10544 | } | |
10545 | ||
10546 | ret = bgp_show(vty, bgp, afi, safi, | |
10547 | (exact ? bgp_show_type_community_exact | |
10548 | : bgp_show_type_community), | |
d0086e8e | 10549 | com, use_json); |
3c1f53de | 10550 | community_free(&com); |
46c3ce83 | 10551 | |
d62a17ae | 10552 | return ret; |
718e3744 | 10553 | } |
10554 | ||
d62a17ae | 10555 | static int bgp_show_community_list(struct vty *vty, struct bgp *bgp, |
10556 | const char *com, int exact, afi_t afi, | |
10557 | safi_t safi) | |
50ef26d4 | 10558 | { |
d62a17ae | 10559 | struct community_list *list; |
50ef26d4 | 10560 | |
e237b0d2 | 10561 | list = community_list_lookup(bgp_clist, com, 0, COMMUNITY_LIST_MASTER); |
d62a17ae | 10562 | if (list == NULL) { |
10563 | vty_out(vty, "%% %s is not a valid community-list name\n", com); | |
10564 | return CMD_WARNING; | |
10565 | } | |
718e3744 | 10566 | |
d62a17ae | 10567 | return bgp_show(vty, bgp, afi, safi, |
10568 | (exact ? bgp_show_type_community_list_exact | |
10569 | : bgp_show_type_community_list), | |
10570 | list, 0); | |
50ef26d4 | 10571 | } |
10572 | ||
d62a17ae | 10573 | static int bgp_show_prefix_longer(struct vty *vty, struct bgp *bgp, |
10574 | const char *prefix, afi_t afi, safi_t safi, | |
10575 | enum bgp_show_type type) | |
718e3744 | 10576 | { |
d62a17ae | 10577 | int ret; |
10578 | struct prefix *p; | |
47fc97cc | 10579 | |
d62a17ae | 10580 | p = prefix_new(); |
95cbbd2a | 10581 | |
d62a17ae | 10582 | ret = str2prefix(prefix, p); |
10583 | if (!ret) { | |
10584 | vty_out(vty, "%% Malformed Prefix\n"); | |
10585 | return CMD_WARNING; | |
10586 | } | |
47e9b292 | 10587 | |
d62a17ae | 10588 | ret = bgp_show(vty, bgp, afi, safi, type, p, 0); |
10589 | prefix_free(p); | |
10590 | return ret; | |
10591 | } | |
10592 | ||
d62a17ae | 10593 | enum bgp_stats { |
10594 | BGP_STATS_MAXBITLEN = 0, | |
10595 | BGP_STATS_RIB, | |
10596 | BGP_STATS_PREFIXES, | |
10597 | BGP_STATS_TOTPLEN, | |
10598 | BGP_STATS_UNAGGREGATEABLE, | |
10599 | BGP_STATS_MAX_AGGREGATEABLE, | |
10600 | BGP_STATS_AGGREGATES, | |
10601 | BGP_STATS_SPACE, | |
10602 | BGP_STATS_ASPATH_COUNT, | |
10603 | BGP_STATS_ASPATH_MAXHOPS, | |
10604 | BGP_STATS_ASPATH_TOTHOPS, | |
10605 | BGP_STATS_ASPATH_MAXSIZE, | |
10606 | BGP_STATS_ASPATH_TOTSIZE, | |
10607 | BGP_STATS_ASN_HIGHEST, | |
10608 | BGP_STATS_MAX, | |
a636c635 | 10609 | }; |
2815e61f | 10610 | |
d62a17ae | 10611 | static const char *table_stats_strs[] = { |
9d303b37 DL |
10612 | [BGP_STATS_PREFIXES] = "Total Prefixes", |
10613 | [BGP_STATS_TOTPLEN] = "Average prefix length", | |
10614 | [BGP_STATS_RIB] = "Total Advertisements", | |
10615 | [BGP_STATS_UNAGGREGATEABLE] = "Unaggregateable prefixes", | |
10616 | [BGP_STATS_MAX_AGGREGATEABLE] = | |
10617 | "Maximum aggregateable prefixes", | |
10618 | [BGP_STATS_AGGREGATES] = "BGP Aggregate advertisements", | |
10619 | [BGP_STATS_SPACE] = "Address space advertised", | |
10620 | [BGP_STATS_ASPATH_COUNT] = "Advertisements with paths", | |
10621 | [BGP_STATS_ASPATH_MAXHOPS] = "Longest AS-Path (hops)", | |
10622 | [BGP_STATS_ASPATH_MAXSIZE] = "Largest AS-Path (bytes)", | |
10623 | [BGP_STATS_ASPATH_TOTHOPS] = "Average AS-Path length (hops)", | |
10624 | [BGP_STATS_ASPATH_TOTSIZE] = "Average AS-Path size (bytes)", | |
10625 | [BGP_STATS_ASN_HIGHEST] = "Highest public ASN", | |
10626 | [BGP_STATS_MAX] = NULL, | |
a636c635 | 10627 | }; |
2815e61f | 10628 | |
d62a17ae | 10629 | struct bgp_table_stats { |
10630 | struct bgp_table *table; | |
10631 | unsigned long long counts[BGP_STATS_MAX]; | |
8d0ab76d | 10632 | double total_space; |
ff7924f6 PJ |
10633 | }; |
10634 | ||
a636c635 DW |
10635 | #if 0 |
10636 | #define TALLY_SIGFIG 100000 | |
10637 | static unsigned long | |
10638 | ravg_tally (unsigned long count, unsigned long oldavg, unsigned long newval) | |
ff7924f6 | 10639 | { |
a636c635 DW |
10640 | unsigned long newtot = (count-1) * oldavg + (newval * TALLY_SIGFIG); |
10641 | unsigned long res = (newtot * TALLY_SIGFIG) / count; | |
10642 | unsigned long ret = newtot / count; | |
07d0c4ed | 10643 | |
a636c635 DW |
10644 | if ((res % TALLY_SIGFIG) > (TALLY_SIGFIG/2)) |
10645 | return ret + 1; | |
10646 | else | |
10647 | return ret; | |
10648 | } | |
10649 | #endif | |
ff7924f6 | 10650 | |
9c14ec72 RW |
10651 | static void bgp_table_stats_rn(struct bgp_node *rn, struct bgp_node *top, |
10652 | struct bgp_table_stats *ts, unsigned int space) | |
2815e61f | 10653 | { |
9c14ec72 RW |
10654 | struct bgp_node *prn = bgp_node_parent_nolock(rn); |
10655 | struct bgp_path_info *pi; | |
d62a17ae | 10656 | |
9c14ec72 RW |
10657 | if (rn == top) |
10658 | return; | |
d62a17ae | 10659 | |
9c14ec72 RW |
10660 | if (!bgp_node_has_bgp_path_info_data(rn)) |
10661 | return; | |
d62a17ae | 10662 | |
9c14ec72 RW |
10663 | ts->counts[BGP_STATS_PREFIXES]++; |
10664 | ts->counts[BGP_STATS_TOTPLEN] += rn->p.prefixlen; | |
ff7924f6 | 10665 | |
a636c635 DW |
10666 | #if 0 |
10667 | ts->counts[BGP_STATS_AVGPLEN] | |
10668 | = ravg_tally (ts->counts[BGP_STATS_PREFIXES], | |
10669 | ts->counts[BGP_STATS_AVGPLEN], | |
10670 | rn->p.prefixlen); | |
10671 | #endif | |
d62a17ae | 10672 | |
9c14ec72 RW |
10673 | /* check if the prefix is included by any other announcements */ |
10674 | while (prn && !bgp_node_has_bgp_path_info_data(prn)) | |
10675 | prn = bgp_node_parent_nolock(prn); | |
d62a17ae | 10676 | |
9c14ec72 RW |
10677 | if (prn == NULL || prn == top) { |
10678 | ts->counts[BGP_STATS_UNAGGREGATEABLE]++; | |
10679 | /* announced address space */ | |
10680 | if (space) | |
10681 | ts->total_space += pow(2.0, space - rn->p.prefixlen); | |
10682 | } else if (bgp_node_has_bgp_path_info_data(prn)) | |
10683 | ts->counts[BGP_STATS_MAX_AGGREGATEABLE]++; | |
d62a17ae | 10684 | |
9c14ec72 RW |
10685 | |
10686 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { | |
10687 | ts->counts[BGP_STATS_RIB]++; | |
10688 | ||
10689 | if (pi->attr | |
10690 | && (CHECK_FLAG(pi->attr->flag, | |
10691 | ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE)))) | |
10692 | ts->counts[BGP_STATS_AGGREGATES]++; | |
10693 | ||
10694 | /* as-path stats */ | |
10695 | if (pi->attr && pi->attr->aspath) { | |
10696 | unsigned int hops = aspath_count_hops(pi->attr->aspath); | |
10697 | unsigned int size = aspath_size(pi->attr->aspath); | |
10698 | as_t highest = aspath_highest(pi->attr->aspath); | |
10699 | ||
10700 | ts->counts[BGP_STATS_ASPATH_COUNT]++; | |
10701 | ||
10702 | if (hops > ts->counts[BGP_STATS_ASPATH_MAXHOPS]) | |
10703 | ts->counts[BGP_STATS_ASPATH_MAXHOPS] = hops; | |
10704 | ||
10705 | if (size > ts->counts[BGP_STATS_ASPATH_MAXSIZE]) | |
10706 | ts->counts[BGP_STATS_ASPATH_MAXSIZE] = size; | |
10707 | ||
10708 | ts->counts[BGP_STATS_ASPATH_TOTHOPS] += hops; | |
10709 | ts->counts[BGP_STATS_ASPATH_TOTSIZE] += size; | |
a636c635 | 10710 | #if 0 |
07d0c4ed | 10711 | ts->counts[BGP_STATS_ASPATH_AVGHOPS] |
a636c635 DW |
10712 | = ravg_tally (ts->counts[BGP_STATS_ASPATH_COUNT], |
10713 | ts->counts[BGP_STATS_ASPATH_AVGHOPS], | |
10714 | hops); | |
10715 | ts->counts[BGP_STATS_ASPATH_AVGSIZE] | |
10716 | = ravg_tally (ts->counts[BGP_STATS_ASPATH_COUNT], | |
10717 | ts->counts[BGP_STATS_ASPATH_AVGSIZE], | |
10718 | size); | |
10719 | #endif | |
9c14ec72 RW |
10720 | if (highest > ts->counts[BGP_STATS_ASN_HIGHEST]) |
10721 | ts->counts[BGP_STATS_ASN_HIGHEST] = highest; | |
10722 | } | |
10723 | } | |
10724 | } | |
10725 | ||
10726 | static int bgp_table_stats_walker(struct thread *t) | |
10727 | { | |
10728 | struct bgp_node *rn, *nrn; | |
10729 | struct bgp_node *top; | |
10730 | struct bgp_table_stats *ts = THREAD_ARG(t); | |
10731 | unsigned int space = 0; | |
10732 | ||
10733 | if (!(top = bgp_table_top(ts->table))) | |
10734 | return 0; | |
10735 | ||
10736 | switch (ts->table->afi) { | |
10737 | case AFI_IP: | |
10738 | space = IPV4_MAX_BITLEN; | |
10739 | break; | |
10740 | case AFI_IP6: | |
10741 | space = IPV6_MAX_BITLEN; | |
10742 | break; | |
10743 | default: | |
10744 | return 0; | |
10745 | } | |
10746 | ||
10747 | ts->counts[BGP_STATS_MAXBITLEN] = space; | |
10748 | ||
10749 | for (rn = top; rn; rn = bgp_route_next(rn)) { | |
10750 | if (ts->table->safi == SAFI_MPLS_VPN) { | |
10751 | struct bgp_table *table; | |
10752 | ||
10753 | table = bgp_node_get_bgp_table_info(rn); | |
10754 | if (!table) | |
10755 | continue; | |
10756 | ||
10757 | top = bgp_table_top(table); | |
10758 | for (nrn = bgp_table_top(table); nrn; | |
10759 | nrn = bgp_route_next(nrn)) | |
10760 | bgp_table_stats_rn(nrn, top, ts, space); | |
10761 | } else { | |
10762 | bgp_table_stats_rn(rn, top, ts, space); | |
d62a17ae | 10763 | } |
10764 | } | |
9c14ec72 | 10765 | |
d62a17ae | 10766 | return 0; |
2815e61f | 10767 | } |
ff7924f6 | 10768 | |
d62a17ae | 10769 | static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi, |
10770 | safi_t safi) | |
2815e61f | 10771 | { |
d62a17ae | 10772 | struct bgp_table_stats ts; |
10773 | unsigned int i; | |
019386c2 | 10774 | |
d62a17ae | 10775 | if (!bgp->rib[afi][safi]) { |
10776 | vty_out(vty, "%% No RIB exist's for the AFI(%d)/SAFI(%d)\n", | |
10777 | afi, safi); | |
10778 | return CMD_WARNING; | |
10779 | } | |
019386c2 | 10780 | |
5cb5f4d0 | 10781 | vty_out(vty, "BGP %s RIB statistics\n", get_afi_safi_str(afi, safi, false)); |
019386c2 | 10782 | |
d62a17ae | 10783 | /* labeled-unicast routes live in the unicast table */ |
10784 | if (safi == SAFI_LABELED_UNICAST) | |
10785 | safi = SAFI_UNICAST; | |
019386c2 | 10786 | |
d62a17ae | 10787 | memset(&ts, 0, sizeof(ts)); |
10788 | ts.table = bgp->rib[afi][safi]; | |
10789 | thread_execute(bm->master, bgp_table_stats_walker, &ts, 0); | |
ff7924f6 | 10790 | |
d62a17ae | 10791 | for (i = 0; i < BGP_STATS_MAX; i++) { |
10792 | if (!table_stats_strs[i]) | |
10793 | continue; | |
10794 | ||
10795 | switch (i) { | |
a636c635 DW |
10796 | #if 0 |
10797 | case BGP_STATS_ASPATH_AVGHOPS: | |
10798 | case BGP_STATS_ASPATH_AVGSIZE: | |
10799 | case BGP_STATS_AVGPLEN: | |
10800 | vty_out (vty, "%-30s: ", table_stats_strs[i]); | |
10801 | vty_out (vty, "%12.2f", | |
10802 | (float)ts.counts[i] / (float)TALLY_SIGFIG); | |
10803 | break; | |
10804 | #endif | |
d62a17ae | 10805 | case BGP_STATS_ASPATH_TOTHOPS: |
10806 | case BGP_STATS_ASPATH_TOTSIZE: | |
10807 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
10808 | vty_out(vty, "%12.2f", | |
10809 | ts.counts[i] | |
10810 | ? (float)ts.counts[i] | |
10811 | / (float)ts.counts | |
10812 | [BGP_STATS_ASPATH_COUNT] | |
10813 | : 0); | |
10814 | break; | |
10815 | case BGP_STATS_TOTPLEN: | |
10816 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
10817 | vty_out(vty, "%12.2f", | |
10818 | ts.counts[i] | |
10819 | ? (float)ts.counts[i] | |
10820 | / (float)ts.counts | |
10821 | [BGP_STATS_PREFIXES] | |
10822 | : 0); | |
10823 | break; | |
10824 | case BGP_STATS_SPACE: | |
10825 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
8d0ab76d DL |
10826 | vty_out(vty, "%12g\n", ts.total_space); |
10827 | ||
10828 | if (afi == AFI_IP6) { | |
10829 | vty_out(vty, "%30s: ", "/32 equivalent "); | |
10830 | vty_out(vty, "%12g\n", | |
a4d82a8a | 10831 | ts.total_space * pow(2.0, -128 + 32)); |
8d0ab76d DL |
10832 | vty_out(vty, "%30s: ", "/48 equivalent "); |
10833 | vty_out(vty, "%12g\n", | |
a4d82a8a | 10834 | ts.total_space * pow(2.0, -128 + 48)); |
8d0ab76d DL |
10835 | } else { |
10836 | vty_out(vty, "%30s: ", "% announced "); | |
10837 | vty_out(vty, "%12.2f\n", | |
10838 | ts.total_space * 100. * pow(2.0, -32)); | |
10839 | vty_out(vty, "%30s: ", "/8 equivalent "); | |
10840 | vty_out(vty, "%12.2f\n", | |
a4d82a8a | 10841 | ts.total_space * pow(2.0, -32 + 8)); |
8d0ab76d DL |
10842 | vty_out(vty, "%30s: ", "/24 equivalent "); |
10843 | vty_out(vty, "%12.2f\n", | |
a4d82a8a | 10844 | ts.total_space * pow(2.0, -32 + 24)); |
8d0ab76d | 10845 | } |
d62a17ae | 10846 | break; |
10847 | default: | |
10848 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
10849 | vty_out(vty, "%12llu", ts.counts[i]); | |
10850 | } | |
ff7924f6 | 10851 | |
d62a17ae | 10852 | vty_out(vty, "\n"); |
10853 | } | |
10854 | return CMD_SUCCESS; | |
10855 | } | |
10856 | ||
10857 | enum bgp_pcounts { | |
10858 | PCOUNT_ADJ_IN = 0, | |
10859 | PCOUNT_DAMPED, | |
10860 | PCOUNT_REMOVED, | |
10861 | PCOUNT_HISTORY, | |
10862 | PCOUNT_STALE, | |
10863 | PCOUNT_VALID, | |
10864 | PCOUNT_ALL, | |
10865 | PCOUNT_COUNTED, | |
10866 | PCOUNT_PFCNT, /* the figure we display to users */ | |
10867 | PCOUNT_MAX, | |
a636c635 | 10868 | }; |
718e3744 | 10869 | |
d62a17ae | 10870 | static const char *pcount_strs[] = { |
9d303b37 DL |
10871 | [PCOUNT_ADJ_IN] = "Adj-in", |
10872 | [PCOUNT_DAMPED] = "Damped", | |
10873 | [PCOUNT_REMOVED] = "Removed", | |
10874 | [PCOUNT_HISTORY] = "History", | |
10875 | [PCOUNT_STALE] = "Stale", | |
10876 | [PCOUNT_VALID] = "Valid", | |
10877 | [PCOUNT_ALL] = "All RIB", | |
10878 | [PCOUNT_COUNTED] = "PfxCt counted", | |
10879 | [PCOUNT_PFCNT] = "Useable", | |
10880 | [PCOUNT_MAX] = NULL, | |
a636c635 | 10881 | }; |
718e3744 | 10882 | |
d62a17ae | 10883 | struct peer_pcounts { |
10884 | unsigned int count[PCOUNT_MAX]; | |
10885 | const struct peer *peer; | |
10886 | const struct bgp_table *table; | |
a636c635 | 10887 | }; |
47fc97cc | 10888 | |
d62a17ae | 10889 | static int bgp_peer_count_walker(struct thread *t) |
10890 | { | |
10891 | struct bgp_node *rn; | |
10892 | struct peer_pcounts *pc = THREAD_ARG(t); | |
10893 | const struct peer *peer = pc->peer; | |
10894 | ||
10895 | for (rn = bgp_table_top(pc->table); rn; rn = bgp_route_next(rn)) { | |
10896 | struct bgp_adj_in *ain; | |
40381db7 | 10897 | struct bgp_path_info *pi; |
d62a17ae | 10898 | |
10899 | for (ain = rn->adj_in; ain; ain = ain->next) | |
10900 | if (ain->peer == peer) | |
10901 | pc->count[PCOUNT_ADJ_IN]++; | |
10902 | ||
6f94b685 DS |
10903 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
10904 | ||
40381db7 | 10905 | if (pi->peer != peer) |
d62a17ae | 10906 | continue; |
10907 | ||
10908 | pc->count[PCOUNT_ALL]++; | |
10909 | ||
40381db7 | 10910 | if (CHECK_FLAG(pi->flags, BGP_PATH_DAMPED)) |
d62a17ae | 10911 | pc->count[PCOUNT_DAMPED]++; |
40381db7 | 10912 | if (CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) |
d62a17ae | 10913 | pc->count[PCOUNT_HISTORY]++; |
40381db7 | 10914 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) |
d62a17ae | 10915 | pc->count[PCOUNT_REMOVED]++; |
40381db7 | 10916 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) |
d62a17ae | 10917 | pc->count[PCOUNT_STALE]++; |
40381db7 | 10918 | if (CHECK_FLAG(pi->flags, BGP_PATH_VALID)) |
d62a17ae | 10919 | pc->count[PCOUNT_VALID]++; |
40381db7 | 10920 | if (!CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) |
d62a17ae | 10921 | pc->count[PCOUNT_PFCNT]++; |
10922 | ||
40381db7 | 10923 | if (CHECK_FLAG(pi->flags, BGP_PATH_COUNTED)) { |
d62a17ae | 10924 | pc->count[PCOUNT_COUNTED]++; |
40381db7 | 10925 | if (CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) |
1c50c1c0 QY |
10926 | flog_err( |
10927 | EC_LIB_DEVELOPMENT, | |
10928 | "Attempting to count but flags say it is unusable"); | |
d62a17ae | 10929 | } else { |
40381db7 | 10930 | if (!CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) |
1c50c1c0 QY |
10931 | flog_err( |
10932 | EC_LIB_DEVELOPMENT, | |
10933 | "Not counted but flags say we should"); | |
d62a17ae | 10934 | } |
10935 | } | |
10936 | } | |
10937 | return 0; | |
718e3744 | 10938 | } |
10939 | ||
d62a17ae | 10940 | static int bgp_peer_counts(struct vty *vty, struct peer *peer, afi_t afi, |
9f049418 | 10941 | safi_t safi, bool use_json) |
856ca177 | 10942 | { |
d62a17ae | 10943 | struct peer_pcounts pcounts = {.peer = peer}; |
10944 | unsigned int i; | |
10945 | json_object *json = NULL; | |
10946 | json_object *json_loop = NULL; | |
856ca177 | 10947 | |
d62a17ae | 10948 | if (use_json) { |
10949 | json = json_object_new_object(); | |
10950 | json_loop = json_object_new_object(); | |
10951 | } | |
718e3744 | 10952 | |
d62a17ae | 10953 | if (!peer || !peer->bgp || !peer->afc[afi][safi] |
10954 | || !peer->bgp->rib[afi][safi]) { | |
10955 | if (use_json) { | |
10956 | json_object_string_add( | |
10957 | json, "warning", | |
10958 | "No such neighbor or address family"); | |
10959 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
10960 | json_object_free(json); | |
10961 | } else | |
10962 | vty_out(vty, "%% No such neighbor or address family\n"); | |
10963 | ||
10964 | return CMD_WARNING; | |
10965 | } | |
2a71e9ce | 10966 | |
d62a17ae | 10967 | memset(&pcounts, 0, sizeof(pcounts)); |
10968 | pcounts.peer = peer; | |
10969 | pcounts.table = peer->bgp->rib[afi][safi]; | |
10970 | ||
10971 | /* in-place call via thread subsystem so as to record execution time | |
d316210b PZ |
10972 | * stats for the thread-walk (i.e. ensure this can't be blamed on |
10973 | * on just vty_read()). | |
10974 | */ | |
d62a17ae | 10975 | thread_execute(bm->master, bgp_peer_count_walker, &pcounts, 0); |
10976 | ||
10977 | if (use_json) { | |
10978 | json_object_string_add(json, "prefixCountsFor", peer->host); | |
10979 | json_object_string_add(json, "multiProtocol", | |
5cb5f4d0 | 10980 | get_afi_safi_str(afi, safi, true)); |
d62a17ae | 10981 | json_object_int_add(json, "pfxCounter", |
10982 | peer->pcount[afi][safi]); | |
10983 | ||
10984 | for (i = 0; i < PCOUNT_MAX; i++) | |
10985 | json_object_int_add(json_loop, pcount_strs[i], | |
10986 | pcounts.count[i]); | |
10987 | ||
10988 | json_object_object_add(json, "ribTableWalkCounters", json_loop); | |
10989 | ||
10990 | if (pcounts.count[PCOUNT_PFCNT] != peer->pcount[afi][safi]) { | |
10991 | json_object_string_add(json, "pfxctDriftFor", | |
10992 | peer->host); | |
10993 | json_object_string_add( | |
10994 | json, "recommended", | |
10995 | "Please report this bug, with the above command output"); | |
10996 | } | |
996c9314 LB |
10997 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
10998 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 10999 | json_object_free(json); |
11000 | } else { | |
11001 | ||
11002 | if (peer->hostname | |
11003 | && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME)) { | |
11004 | vty_out(vty, "Prefix counts for %s/%s, %s\n", | |
11005 | peer->hostname, peer->host, | |
5cb5f4d0 | 11006 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 11007 | } else { |
11008 | vty_out(vty, "Prefix counts for %s, %s\n", peer->host, | |
5cb5f4d0 | 11009 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 11010 | } |
11011 | ||
a0a87037 | 11012 | vty_out(vty, "PfxCt: %" PRIu32 "\n", peer->pcount[afi][safi]); |
d62a17ae | 11013 | vty_out(vty, "\nCounts from RIB table walk:\n\n"); |
11014 | ||
11015 | for (i = 0; i < PCOUNT_MAX; i++) | |
11016 | vty_out(vty, "%20s: %-10d\n", pcount_strs[i], | |
11017 | pcounts.count[i]); | |
11018 | ||
11019 | if (pcounts.count[PCOUNT_PFCNT] != peer->pcount[afi][safi]) { | |
11020 | vty_out(vty, "%s [pcount] PfxCt drift!\n", peer->host); | |
11021 | vty_out(vty, | |
11022 | "Please report this bug, with the above command output\n"); | |
11023 | } | |
11024 | } | |
11025 | ||
11026 | return CMD_SUCCESS; | |
718e3744 | 11027 | } |
11028 | ||
a636c635 DW |
11029 | DEFUN (show_ip_bgp_instance_neighbor_prefix_counts, |
11030 | show_ip_bgp_instance_neighbor_prefix_counts_cmd, | |
c1a44e43 | 11031 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_CMD_STR"]] " |
30a6a167 | 11032 | "neighbors <A.B.C.D|X:X::X:X|WORD> prefix-counts [json]", |
718e3744 | 11033 | SHOW_STR |
11034 | IP_STR | |
11035 | BGP_STR | |
8386ac43 | 11036 | BGP_INSTANCE_HELP_STR |
9bedbb1e DW |
11037 | BGP_AFI_HELP_STR |
11038 | BGP_SAFI_HELP_STR | |
0b16f239 DS |
11039 | "Detailed information on TCP and BGP neighbor connections\n" |
11040 | "Neighbor to display information about\n" | |
11041 | "Neighbor to display information about\n" | |
91d37724 | 11042 | "Neighbor on BGP configured interface\n" |
a636c635 | 11043 | "Display detailed prefix count information\n" |
9973d184 | 11044 | JSON_STR) |
0b16f239 | 11045 | { |
d62a17ae | 11046 | afi_t afi = AFI_IP6; |
11047 | safi_t safi = SAFI_UNICAST; | |
11048 | struct peer *peer; | |
11049 | int idx = 0; | |
11050 | struct bgp *bgp = NULL; | |
9f049418 DS |
11051 | bool uj = use_json(argc, argv); |
11052 | ||
11053 | if (uj) | |
11054 | argc--; | |
856ca177 | 11055 | |
d62a17ae | 11056 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 11057 | &bgp, uj); |
d62a17ae | 11058 | if (!idx) |
11059 | return CMD_WARNING; | |
0b16f239 | 11060 | |
d62a17ae | 11061 | argv_find(argv, argc, "neighbors", &idx); |
11062 | peer = peer_lookup_in_view(vty, bgp, argv[idx + 1]->arg, uj); | |
11063 | if (!peer) | |
11064 | return CMD_WARNING; | |
bb46e94f | 11065 | |
29c8d9da | 11066 | return bgp_peer_counts(vty, peer, afi, safi, uj); |
a636c635 | 11067 | } |
0b16f239 | 11068 | |
d6902373 PG |
11069 | #ifdef KEEP_OLD_VPN_COMMANDS |
11070 | DEFUN (show_ip_bgp_vpn_neighbor_prefix_counts, | |
11071 | show_ip_bgp_vpn_neighbor_prefix_counts_cmd, | |
11072 | "show [ip] bgp <vpnv4|vpnv6> all neighbors <A.B.C.D|X:X::X:X|WORD> prefix-counts [json]", | |
2a71e9ce TP |
11073 | SHOW_STR |
11074 | IP_STR | |
11075 | BGP_STR | |
d6902373 | 11076 | BGP_VPNVX_HELP_STR |
91d37724 | 11077 | "Display information about all VPNv4 NLRIs\n" |
2a71e9ce TP |
11078 | "Detailed information on TCP and BGP neighbor connections\n" |
11079 | "Neighbor to display information about\n" | |
11080 | "Neighbor to display information about\n" | |
91d37724 | 11081 | "Neighbor on BGP configured interface\n" |
a636c635 | 11082 | "Display detailed prefix count information\n" |
9973d184 | 11083 | JSON_STR) |
a636c635 | 11084 | { |
d62a17ae | 11085 | int idx_peer = 6; |
11086 | struct peer *peer; | |
9f049418 | 11087 | bool uj = use_json(argc, argv); |
a636c635 | 11088 | |
d62a17ae | 11089 | peer = peer_lookup_in_view(vty, NULL, argv[idx_peer]->arg, uj); |
11090 | if (!peer) | |
11091 | return CMD_WARNING; | |
11092 | ||
11093 | return bgp_peer_counts(vty, peer, AFI_IP, SAFI_MPLS_VPN, uj); | |
a636c635 DW |
11094 | } |
11095 | ||
d6902373 PG |
11096 | DEFUN (show_ip_bgp_vpn_all_route_prefix, |
11097 | show_ip_bgp_vpn_all_route_prefix_cmd, | |
11098 | "show [ip] bgp <vpnv4|vpnv6> all <A.B.C.D|A.B.C.D/M> [json]", | |
91d37724 QY |
11099 | SHOW_STR |
11100 | IP_STR | |
11101 | BGP_STR | |
d6902373 | 11102 | BGP_VPNVX_HELP_STR |
91d37724 QY |
11103 | "Display information about all VPNv4 NLRIs\n" |
11104 | "Network in the BGP routing table to display\n" | |
3a2d747c | 11105 | "Network in the BGP routing table to display\n" |
9973d184 | 11106 | JSON_STR) |
91d37724 | 11107 | { |
d62a17ae | 11108 | int idx = 0; |
11109 | char *network = NULL; | |
11110 | struct bgp *bgp = bgp_get_default(); | |
11111 | if (!bgp) { | |
11112 | vty_out(vty, "Can't find default instance\n"); | |
11113 | return CMD_WARNING; | |
11114 | } | |
87e34b58 | 11115 | |
d62a17ae | 11116 | if (argv_find(argv, argc, "A.B.C.D", &idx)) |
11117 | network = argv[idx]->arg; | |
11118 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx)) | |
11119 | network = argv[idx]->arg; | |
11120 | else { | |
11121 | vty_out(vty, "Unable to figure out Network\n"); | |
11122 | return CMD_WARNING; | |
11123 | } | |
87e34b58 | 11124 | |
d62a17ae | 11125 | return bgp_show_route(vty, bgp, network, AFI_IP, SAFI_MPLS_VPN, NULL, 0, |
360660c6 | 11126 | BGP_PATH_SHOW_ALL, use_json(argc, argv)); |
91d37724 | 11127 | } |
d6902373 | 11128 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
91d37724 | 11129 | |
4c63a661 PG |
11130 | DEFUN (show_ip_bgp_l2vpn_evpn_all_route_prefix, |
11131 | show_ip_bgp_l2vpn_evpn_all_route_prefix_cmd, | |
11132 | "show [ip] bgp l2vpn evpn all <A.B.C.D|A.B.C.D/M> [json]", | |
11133 | SHOW_STR | |
11134 | IP_STR | |
11135 | BGP_STR | |
11136 | L2VPN_HELP_STR | |
11137 | EVPN_HELP_STR | |
11138 | "Display information about all EVPN NLRIs\n" | |
11139 | "Network in the BGP routing table to display\n" | |
11140 | "Network in the BGP routing table to display\n" | |
11141 | JSON_STR) | |
11142 | { | |
d62a17ae | 11143 | int idx = 0; |
11144 | char *network = NULL; | |
a636c635 | 11145 | |
d62a17ae | 11146 | if (argv_find(argv, argc, "A.B.C.D", &idx)) |
11147 | network = argv[idx]->arg; | |
11148 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx)) | |
11149 | network = argv[idx]->arg; | |
11150 | else { | |
11151 | vty_out(vty, "Unable to figure out Network\n"); | |
11152 | return CMD_WARNING; | |
11153 | } | |
11154 | return bgp_show_route(vty, NULL, network, AFI_L2VPN, SAFI_EVPN, NULL, 0, | |
360660c6 | 11155 | BGP_PATH_SHOW_ALL, use_json(argc, argv)); |
d62a17ae | 11156 | } |
11157 | ||
11158 | static void show_adj_route(struct vty *vty, struct peer *peer, afi_t afi, | |
6392aaa6 | 11159 | safi_t safi, enum bgp_show_adj_route_type type, |
9f049418 | 11160 | const char *rmap_name, bool use_json, |
6392aaa6 | 11161 | json_object *json) |
d62a17ae | 11162 | { |
11163 | struct bgp_table *table; | |
11164 | struct bgp_adj_in *ain; | |
11165 | struct bgp_adj_out *adj; | |
11166 | unsigned long output_count; | |
11167 | unsigned long filtered_count; | |
11168 | struct bgp_node *rn; | |
11169 | int header1 = 1; | |
11170 | struct bgp *bgp; | |
11171 | int header2 = 1; | |
11172 | struct attr attr; | |
11173 | int ret; | |
11174 | struct update_subgroup *subgrp; | |
11175 | json_object *json_scode = NULL; | |
11176 | json_object *json_ocode = NULL; | |
11177 | json_object *json_ar = NULL; | |
11178 | struct peer_af *paf; | |
f99def61 | 11179 | bool route_filtered; |
d62a17ae | 11180 | |
11181 | if (use_json) { | |
11182 | json_scode = json_object_new_object(); | |
11183 | json_ocode = json_object_new_object(); | |
11184 | json_ar = json_object_new_object(); | |
11185 | ||
11186 | json_object_string_add(json_scode, "suppressed", "s"); | |
11187 | json_object_string_add(json_scode, "damped", "d"); | |
11188 | json_object_string_add(json_scode, "history", "h"); | |
11189 | json_object_string_add(json_scode, "valid", "*"); | |
11190 | json_object_string_add(json_scode, "best", ">"); | |
11191 | json_object_string_add(json_scode, "multipath", "="); | |
11192 | json_object_string_add(json_scode, "internal", "i"); | |
11193 | json_object_string_add(json_scode, "ribFailure", "r"); | |
11194 | json_object_string_add(json_scode, "stale", "S"); | |
11195 | json_object_string_add(json_scode, "removed", "R"); | |
11196 | ||
11197 | json_object_string_add(json_ocode, "igp", "i"); | |
11198 | json_object_string_add(json_ocode, "egp", "e"); | |
11199 | json_object_string_add(json_ocode, "incomplete", "?"); | |
11200 | } | |
a636c635 | 11201 | |
d62a17ae | 11202 | bgp = peer->bgp; |
a636c635 | 11203 | |
d62a17ae | 11204 | if (!bgp) { |
11205 | if (use_json) { | |
11206 | json_object_string_add(json, "alert", "no BGP"); | |
11207 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11208 | json_object_free(json); | |
11209 | } else | |
11210 | vty_out(vty, "%% No bgp\n"); | |
11211 | return; | |
11212 | } | |
a636c635 | 11213 | |
c512a642 EDP |
11214 | /* labeled-unicast routes live in the unicast table */ |
11215 | if (safi == SAFI_LABELED_UNICAST) | |
11216 | table = bgp->rib[afi][SAFI_UNICAST]; | |
11217 | else | |
11218 | table = bgp->rib[afi][safi]; | |
d62a17ae | 11219 | |
11220 | output_count = filtered_count = 0; | |
11221 | subgrp = peer_subgroup(peer, afi, safi); | |
11222 | ||
6392aaa6 | 11223 | if (type == bgp_show_adj_route_advertised && subgrp |
d62a17ae | 11224 | && CHECK_FLAG(subgrp->sflags, SUBGRP_STATUS_DEFAULT_ORIGINATE)) { |
11225 | if (use_json) { | |
11226 | json_object_int_add(json, "bgpTableVersion", | |
11227 | table->version); | |
11228 | json_object_string_add(json, "bgpLocalRouterId", | |
11229 | inet_ntoa(bgp->router_id)); | |
01eced22 AD |
11230 | json_object_int_add(json, "defaultLocPrf", |
11231 | bgp->default_local_pref); | |
11232 | json_object_int_add(json, "localAS", bgp->as); | |
d62a17ae | 11233 | json_object_object_add(json, "bgpStatusCodes", |
11234 | json_scode); | |
11235 | json_object_object_add(json, "bgpOriginCodes", | |
11236 | json_ocode); | |
07d0c4ed DA |
11237 | json_object_string_add( |
11238 | json, "bgpOriginatingDefaultNetwork", | |
11239 | (afi == AFI_IP) ? "0.0.0.0/0" : "::/0"); | |
d62a17ae | 11240 | } else { |
996c9314 | 11241 | vty_out(vty, "BGP table version is %" PRIu64 |
9df8b37c | 11242 | ", local router ID is %s, vrf id ", |
d62a17ae | 11243 | table->version, inet_ntoa(bgp->router_id)); |
9df8b37c PZ |
11244 | if (bgp->vrf_id == VRF_UNKNOWN) |
11245 | vty_out(vty, "%s", VRFID_NONE_STR); | |
11246 | else | |
11247 | vty_out(vty, "%u", bgp->vrf_id); | |
11248 | vty_out(vty, "\n"); | |
01eced22 AD |
11249 | vty_out(vty, "Default local pref %u, ", |
11250 | bgp->default_local_pref); | |
11251 | vty_out(vty, "local AS %u\n", bgp->as); | |
d62a17ae | 11252 | vty_out(vty, BGP_SHOW_SCODE_HEADER); |
9df8b37c | 11253 | vty_out(vty, BGP_SHOW_NCODE_HEADER); |
d62a17ae | 11254 | vty_out(vty, BGP_SHOW_OCODE_HEADER); |
11255 | ||
07d0c4ed DA |
11256 | vty_out(vty, "Originating default network %s\n\n", |
11257 | (afi == AFI_IP) ? "0.0.0.0/0" : "::/0"); | |
d62a17ae | 11258 | } |
11259 | header1 = 0; | |
11260 | } | |
a636c635 | 11261 | |
d62a17ae | 11262 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
6392aaa6 PM |
11263 | if (type == bgp_show_adj_route_received |
11264 | || type == bgp_show_adj_route_filtered) { | |
d62a17ae | 11265 | for (ain = rn->adj_in; ain; ain = ain->next) { |
6392aaa6 | 11266 | if (ain->peer != peer || !ain->attr) |
ea47320b | 11267 | continue; |
6392aaa6 | 11268 | |
ea47320b DL |
11269 | if (header1) { |
11270 | if (use_json) { | |
11271 | json_object_int_add( | |
60466a63 | 11272 | json, "bgpTableVersion", |
ea47320b DL |
11273 | 0); |
11274 | json_object_string_add( | |
11275 | json, | |
11276 | "bgpLocalRouterId", | |
11277 | inet_ntoa( | |
11278 | bgp->router_id)); | |
01eced22 AD |
11279 | json_object_int_add(json, |
11280 | "defaultLocPrf", | |
11281 | bgp->default_local_pref); | |
11282 | json_object_int_add(json, | |
11283 | "localAS", bgp->as); | |
ea47320b | 11284 | json_object_object_add( |
60466a63 | 11285 | json, "bgpStatusCodes", |
ea47320b DL |
11286 | json_scode); |
11287 | json_object_object_add( | |
60466a63 | 11288 | json, "bgpOriginCodes", |
ea47320b DL |
11289 | json_ocode); |
11290 | } else { | |
11291 | vty_out(vty, | |
9df8b37c | 11292 | "BGP table version is 0, local router ID is %s, vrf id ", |
ea47320b | 11293 | inet_ntoa( |
9df8b37c PZ |
11294 | bgp->router_id)); |
11295 | if (bgp->vrf_id == VRF_UNKNOWN) | |
11296 | vty_out(vty, "%s", | |
11297 | VRFID_NONE_STR); | |
11298 | else | |
11299 | vty_out(vty, "%u", | |
11300 | bgp->vrf_id); | |
11301 | vty_out(vty, "\n"); | |
01eced22 AD |
11302 | vty_out(vty, |
11303 | "Default local pref %u, ", | |
11304 | bgp->default_local_pref); | |
11305 | vty_out(vty, "local AS %u\n", | |
11306 | bgp->as); | |
ea47320b DL |
11307 | vty_out(vty, |
11308 | BGP_SHOW_SCODE_HEADER); | |
9df8b37c PZ |
11309 | vty_out(vty, |
11310 | BGP_SHOW_NCODE_HEADER); | |
ea47320b DL |
11311 | vty_out(vty, |
11312 | BGP_SHOW_OCODE_HEADER); | |
d62a17ae | 11313 | } |
ea47320b DL |
11314 | header1 = 0; |
11315 | } | |
11316 | if (header2) { | |
11317 | if (!use_json) | |
11318 | vty_out(vty, BGP_SHOW_HEADER); | |
11319 | header2 = 0; | |
11320 | } | |
6392aaa6 PM |
11321 | |
11322 | bgp_attr_dup(&attr, ain->attr); | |
f99def61 AD |
11323 | route_filtered = false; |
11324 | ||
11325 | /* Filter prefix using distribute list, | |
11326 | * filter list or prefix list | |
11327 | */ | |
11328 | if ((bgp_input_filter(peer, &rn->p, &attr, afi, | |
11329 | safi)) == FILTER_DENY) | |
11330 | route_filtered = true; | |
11331 | ||
11332 | /* Filter prefix using route-map */ | |
6392aaa6 | 11333 | ret = bgp_input_modifier(peer, &rn->p, &attr, |
82b692c0 | 11334 | afi, safi, rmap_name, NULL, 0); |
6392aaa6 | 11335 | |
13c8e163 AD |
11336 | if (type == bgp_show_adj_route_filtered && |
11337 | !route_filtered && ret != RMAP_DENY) { | |
b755861b | 11338 | bgp_attr_undup(&attr, ain->attr); |
6392aaa6 | 11339 | continue; |
d62a17ae | 11340 | } |
6392aaa6 | 11341 | |
13c8e163 AD |
11342 | if (type == bgp_show_adj_route_received && |
11343 | (route_filtered || ret == RMAP_DENY)) | |
6392aaa6 PM |
11344 | filtered_count++; |
11345 | ||
11346 | route_vty_out_tmp(vty, &rn->p, &attr, safi, | |
11347 | use_json, json_ar); | |
b755861b | 11348 | bgp_attr_undup(&attr, ain->attr); |
6392aaa6 | 11349 | output_count++; |
d62a17ae | 11350 | } |
6392aaa6 | 11351 | } else if (type == bgp_show_adj_route_advertised) { |
a79c04e7 | 11352 | RB_FOREACH (adj, bgp_adj_out_rb, &rn->adj_out) |
924c3f6a | 11353 | SUBGRP_FOREACH_PEER (adj->subgroup, paf) { |
b755861b | 11354 | if (paf->peer != peer || !adj->attr) |
924c3f6a | 11355 | continue; |
d62a17ae | 11356 | |
924c3f6a DS |
11357 | if (header1) { |
11358 | if (use_json) { | |
11359 | json_object_int_add( | |
11360 | json, | |
11361 | "bgpTableVersion", | |
11362 | table->version); | |
11363 | json_object_string_add( | |
11364 | json, | |
11365 | "bgpLocalRouterId", | |
11366 | inet_ntoa( | |
11367 | bgp->router_id)); | |
01eced22 AD |
11368 | json_object_int_add( |
11369 | json, "defaultLocPrf", | |
11370 | bgp->default_local_pref | |
11371 | ); | |
11372 | json_object_int_add( | |
11373 | json, "localAS", | |
11374 | bgp->as); | |
924c3f6a DS |
11375 | json_object_object_add( |
11376 | json, | |
11377 | "bgpStatusCodes", | |
11378 | json_scode); | |
11379 | json_object_object_add( | |
11380 | json, | |
11381 | "bgpOriginCodes", | |
11382 | json_ocode); | |
11383 | } else { | |
11384 | vty_out(vty, | |
11385 | "BGP table version is %" PRIu64 | |
9df8b37c | 11386 | ", local router ID is %s, vrf id ", |
924c3f6a DS |
11387 | table->version, |
11388 | inet_ntoa( | |
11389 | bgp->router_id)); | |
9df8b37c PZ |
11390 | if (bgp->vrf_id == |
11391 | VRF_UNKNOWN) | |
11392 | vty_out(vty, | |
11393 | "%s", | |
11394 | VRFID_NONE_STR); | |
11395 | else | |
11396 | vty_out(vty, | |
11397 | "%u", | |
11398 | bgp->vrf_id); | |
11399 | vty_out(vty, "\n"); | |
01eced22 AD |
11400 | vty_out(vty, |
11401 | "Default local pref %u, ", | |
11402 | bgp->default_local_pref | |
11403 | ); | |
11404 | vty_out(vty, | |
11405 | "local AS %u\n", | |
11406 | bgp->as); | |
924c3f6a DS |
11407 | vty_out(vty, |
11408 | BGP_SHOW_SCODE_HEADER); | |
9df8b37c PZ |
11409 | vty_out(vty, |
11410 | BGP_SHOW_NCODE_HEADER); | |
924c3f6a DS |
11411 | vty_out(vty, |
11412 | BGP_SHOW_OCODE_HEADER); | |
a2addae8 | 11413 | } |
924c3f6a DS |
11414 | header1 = 0; |
11415 | } | |
924c3f6a DS |
11416 | if (header2) { |
11417 | if (!use_json) | |
11418 | vty_out(vty, | |
11419 | BGP_SHOW_HEADER); | |
11420 | header2 = 0; | |
11421 | } | |
d62a17ae | 11422 | |
b755861b PM |
11423 | bgp_attr_dup(&attr, adj->attr); |
11424 | ret = bgp_output_modifier( | |
11425 | peer, &rn->p, &attr, afi, safi, | |
11426 | rmap_name); | |
f46d8e1e | 11427 | |
b755861b PM |
11428 | if (ret != RMAP_DENY) { |
11429 | route_vty_out_tmp(vty, &rn->p, | |
11430 | &attr, safi, | |
11431 | use_json, | |
11432 | json_ar); | |
11433 | output_count++; | |
11434 | } else { | |
11435 | filtered_count++; | |
a2addae8 | 11436 | } |
b755861b PM |
11437 | |
11438 | bgp_attr_undup(&attr, adj->attr); | |
924c3f6a | 11439 | } |
d62a17ae | 11440 | } |
11441 | } | |
d62a17ae | 11442 | |
d62a17ae | 11443 | if (use_json) { |
6392aaa6 PM |
11444 | json_object_object_add(json, "advertisedRoutes", json_ar); |
11445 | json_object_int_add(json, "totalPrefixCounter", output_count); | |
11446 | json_object_int_add(json, "filteredPrefixCounter", | |
11447 | filtered_count); | |
11448 | ||
996c9314 LB |
11449 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
11450 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 11451 | json_object_free(json); |
6392aaa6 PM |
11452 | } else if (output_count > 0) { |
11453 | if (filtered_count > 0) | |
11454 | vty_out(vty, | |
11455 | "\nTotal number of prefixes %ld (%ld filtered)\n", | |
11456 | output_count, filtered_count); | |
11457 | else | |
11458 | vty_out(vty, "\nTotal number of prefixes %ld\n", | |
11459 | output_count); | |
d62a17ae | 11460 | } |
a636c635 | 11461 | } |
2a71e9ce | 11462 | |
d62a17ae | 11463 | static int peer_adj_routes(struct vty *vty, struct peer *peer, afi_t afi, |
6392aaa6 | 11464 | safi_t safi, enum bgp_show_adj_route_type type, |
9f049418 | 11465 | const char *rmap_name, bool use_json) |
0b16f239 | 11466 | { |
d62a17ae | 11467 | json_object *json = NULL; |
0b16f239 | 11468 | |
d62a17ae | 11469 | if (use_json) |
11470 | json = json_object_new_object(); | |
0b16f239 | 11471 | |
d62a17ae | 11472 | if (!peer || !peer->afc[afi][safi]) { |
11473 | if (use_json) { | |
11474 | json_object_string_add( | |
11475 | json, "warning", | |
11476 | "No such neighbor or address family"); | |
11477 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11478 | json_object_free(json); | |
11479 | } else | |
11480 | vty_out(vty, "%% No such neighbor or address family\n"); | |
0b16f239 | 11481 | |
d62a17ae | 11482 | return CMD_WARNING; |
11483 | } | |
11484 | ||
6392aaa6 PM |
11485 | if ((type == bgp_show_adj_route_received |
11486 | || type == bgp_show_adj_route_filtered) | |
d62a17ae | 11487 | && !CHECK_FLAG(peer->af_flags[afi][safi], |
11488 | PEER_FLAG_SOFT_RECONFIG)) { | |
11489 | if (use_json) { | |
11490 | json_object_string_add( | |
11491 | json, "warning", | |
11492 | "Inbound soft reconfiguration not enabled"); | |
11493 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11494 | json_object_free(json); | |
11495 | } else | |
11496 | vty_out(vty, | |
11497 | "%% Inbound soft reconfiguration not enabled\n"); | |
11498 | ||
11499 | return CMD_WARNING; | |
11500 | } | |
0b16f239 | 11501 | |
6392aaa6 | 11502 | show_adj_route(vty, peer, afi, safi, type, rmap_name, use_json, json); |
0b16f239 | 11503 | |
d62a17ae | 11504 | return CMD_SUCCESS; |
a636c635 | 11505 | } |
50ef26d4 | 11506 | |
a636c635 DW |
11507 | DEFUN (show_ip_bgp_instance_neighbor_advertised_route, |
11508 | show_ip_bgp_instance_neighbor_advertised_route_cmd, | |
4dd6177e | 11509 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] " |
6392aaa6 | 11510 | "neighbors <A.B.C.D|X:X::X:X|WORD> <advertised-routes|received-routes|filtered-routes> [route-map WORD] [json]", |
718e3744 | 11511 | SHOW_STR |
11512 | IP_STR | |
11513 | BGP_STR | |
a636c635 | 11514 | BGP_INSTANCE_HELP_STR |
7395a2c9 | 11515 | BGP_AFI_HELP_STR |
4dd6177e | 11516 | BGP_SAFI_WITH_LABEL_HELP_STR |
718e3744 | 11517 | "Detailed information on TCP and BGP neighbor connections\n" |
11518 | "Neighbor to display information about\n" | |
11519 | "Neighbor to display information about\n" | |
91d37724 | 11520 | "Neighbor on BGP configured interface\n" |
a636c635 | 11521 | "Display the routes advertised to a BGP neighbor\n" |
6392aaa6 PM |
11522 | "Display the received routes from neighbor\n" |
11523 | "Display the filtered routes received from neighbor\n" | |
a636c635 DW |
11524 | "Route-map to modify the attributes\n" |
11525 | "Name of the route map\n" | |
9973d184 | 11526 | JSON_STR) |
718e3744 | 11527 | { |
d62a17ae | 11528 | afi_t afi = AFI_IP6; |
11529 | safi_t safi = SAFI_UNICAST; | |
11530 | char *rmap_name = NULL; | |
11531 | char *peerstr = NULL; | |
d62a17ae | 11532 | struct bgp *bgp = NULL; |
11533 | struct peer *peer; | |
6392aaa6 | 11534 | enum bgp_show_adj_route_type type = bgp_show_adj_route_advertised; |
d62a17ae | 11535 | int idx = 0; |
9f049418 | 11536 | bool uj = use_json(argc, argv); |
6392aaa6 | 11537 | |
d62a17ae | 11538 | if (uj) |
11539 | argc--; | |
30a6a167 | 11540 | |
9f049418 DS |
11541 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
11542 | &bgp, uj); | |
11543 | if (!idx) | |
11544 | return CMD_WARNING; | |
11545 | ||
d62a17ae | 11546 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ |
11547 | argv_find(argv, argc, "neighbors", &idx); | |
11548 | peerstr = argv[++idx]->arg; | |
8c3deaae | 11549 | |
d62a17ae | 11550 | peer = peer_lookup_in_view(vty, bgp, peerstr, uj); |
11551 | if (!peer) | |
11552 | return CMD_WARNING; | |
856ca177 | 11553 | |
d62a17ae | 11554 | if (argv_find(argv, argc, "advertised-routes", &idx)) |
6392aaa6 PM |
11555 | type = bgp_show_adj_route_advertised; |
11556 | else if (argv_find(argv, argc, "received-routes", &idx)) | |
11557 | type = bgp_show_adj_route_received; | |
11558 | else if (argv_find(argv, argc, "filtered-routes", &idx)) | |
11559 | type = bgp_show_adj_route_filtered; | |
11560 | ||
d62a17ae | 11561 | if (argv_find(argv, argc, "route-map", &idx)) |
11562 | rmap_name = argv[++idx]->arg; | |
95cbbd2a | 11563 | |
6392aaa6 | 11564 | return peer_adj_routes(vty, peer, afi, safi, type, rmap_name, uj); |
95cbbd2a ML |
11565 | } |
11566 | ||
718e3744 | 11567 | DEFUN (show_ip_bgp_neighbor_received_prefix_filter, |
11568 | show_ip_bgp_neighbor_received_prefix_filter_cmd, | |
8c3deaae | 11569 | "show [ip] bgp [<ipv4|ipv6> [unicast]] neighbors <A.B.C.D|X:X::X:X|WORD> received prefix-filter [json]", |
718e3744 | 11570 | SHOW_STR |
11571 | IP_STR | |
11572 | BGP_STR | |
8c3deaae QY |
11573 | "Address Family\n" |
11574 | "Address Family\n" | |
718e3744 | 11575 | "Address Family modifier\n" |
11576 | "Detailed information on TCP and BGP neighbor connections\n" | |
11577 | "Neighbor to display information about\n" | |
11578 | "Neighbor to display information about\n" | |
91d37724 | 11579 | "Neighbor on BGP configured interface\n" |
718e3744 | 11580 | "Display information received from a BGP neighbor\n" |
856ca177 | 11581 | "Display the prefixlist filter\n" |
9973d184 | 11582 | JSON_STR) |
718e3744 | 11583 | { |
d62a17ae | 11584 | afi_t afi = AFI_IP6; |
11585 | safi_t safi = SAFI_UNICAST; | |
11586 | char *peerstr = NULL; | |
11587 | ||
11588 | char name[BUFSIZ]; | |
11589 | union sockunion su; | |
11590 | struct peer *peer; | |
11591 | int count, ret; | |
11592 | ||
11593 | int idx = 0; | |
11594 | ||
11595 | /* show [ip] bgp */ | |
11596 | if (argv_find(argv, argc, "ip", &idx)) | |
11597 | afi = AFI_IP; | |
11598 | /* [<ipv4|ipv6> [unicast]] */ | |
11599 | if (argv_find(argv, argc, "ipv4", &idx)) | |
11600 | afi = AFI_IP; | |
11601 | if (argv_find(argv, argc, "ipv6", &idx)) | |
11602 | afi = AFI_IP6; | |
11603 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ | |
11604 | argv_find(argv, argc, "neighbors", &idx); | |
11605 | peerstr = argv[++idx]->arg; | |
11606 | ||
9f049418 | 11607 | bool uj = use_json(argc, argv); |
d62a17ae | 11608 | |
11609 | ret = str2sockunion(peerstr, &su); | |
11610 | if (ret < 0) { | |
11611 | peer = peer_lookup_by_conf_if(NULL, peerstr); | |
11612 | if (!peer) { | |
11613 | if (uj) | |
11614 | vty_out(vty, "{}\n"); | |
11615 | else | |
11616 | vty_out(vty, | |
11617 | "%% Malformed address or name: %s\n", | |
11618 | peerstr); | |
11619 | return CMD_WARNING; | |
11620 | } | |
11621 | } else { | |
11622 | peer = peer_lookup(NULL, &su); | |
11623 | if (!peer) { | |
11624 | if (uj) | |
11625 | vty_out(vty, "{}\n"); | |
11626 | else | |
11627 | vty_out(vty, "No peer\n"); | |
11628 | return CMD_WARNING; | |
11629 | } | |
11630 | } | |
718e3744 | 11631 | |
d62a17ae | 11632 | sprintf(name, "%s.%d.%d", peer->host, afi, safi); |
11633 | count = prefix_bgp_show_prefix_list(NULL, afi, name, uj); | |
11634 | if (count) { | |
11635 | if (!uj) | |
11636 | vty_out(vty, "Address Family: %s\n", | |
5cb5f4d0 | 11637 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 11638 | prefix_bgp_show_prefix_list(vty, afi, name, uj); |
11639 | } else { | |
11640 | if (uj) | |
11641 | vty_out(vty, "{}\n"); | |
11642 | else | |
11643 | vty_out(vty, "No functional output\n"); | |
11644 | } | |
718e3744 | 11645 | |
d62a17ae | 11646 | return CMD_SUCCESS; |
11647 | } | |
11648 | ||
11649 | static int bgp_show_neighbor_route(struct vty *vty, struct peer *peer, | |
11650 | afi_t afi, safi_t safi, | |
9f049418 | 11651 | enum bgp_show_type type, bool use_json) |
d62a17ae | 11652 | { |
8a893163 DW |
11653 | /* labeled-unicast routes live in the unicast table */ |
11654 | if (safi == SAFI_LABELED_UNICAST) | |
11655 | safi = SAFI_UNICAST; | |
11656 | ||
d62a17ae | 11657 | if (!peer || !peer->afc[afi][safi]) { |
11658 | if (use_json) { | |
11659 | json_object *json_no = NULL; | |
11660 | json_no = json_object_new_object(); | |
11661 | json_object_string_add( | |
11662 | json_no, "warning", | |
11663 | "No such neighbor or address family"); | |
11664 | vty_out(vty, "%s\n", | |
11665 | json_object_to_json_string(json_no)); | |
11666 | json_object_free(json_no); | |
11667 | } else | |
11668 | vty_out(vty, "%% No such neighbor or address family\n"); | |
11669 | return CMD_WARNING; | |
11670 | } | |
47fc97cc | 11671 | |
d62a17ae | 11672 | return bgp_show(vty, peer->bgp, afi, safi, type, &peer->su, use_json); |
718e3744 | 11673 | } |
11674 | ||
dba3c1d3 PG |
11675 | DEFUN (show_ip_bgp_flowspec_routes_detailed, |
11676 | show_ip_bgp_flowspec_routes_detailed_cmd, | |
11677 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" flowspec] detail [json]", | |
11678 | SHOW_STR | |
11679 | IP_STR | |
11680 | BGP_STR | |
11681 | BGP_INSTANCE_HELP_STR | |
11682 | BGP_AFI_HELP_STR | |
11683 | "SAFI Flowspec\n" | |
11684 | "Detailed information on flowspec entries\n" | |
11685 | JSON_STR) | |
11686 | { | |
11687 | afi_t afi = AFI_IP; | |
11688 | safi_t safi = SAFI_UNICAST; | |
11689 | struct bgp *bgp = NULL; | |
11690 | int idx = 0; | |
9f049418 DS |
11691 | bool uj = use_json(argc, argv); |
11692 | ||
11693 | if (uj) | |
11694 | argc--; | |
dba3c1d3 PG |
11695 | |
11696 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 11697 | &bgp, uj); |
dba3c1d3 PG |
11698 | if (!idx) |
11699 | return CMD_WARNING; | |
11700 | ||
9f049418 | 11701 | return bgp_show(vty, bgp, afi, safi, bgp_show_type_detail, NULL, uj); |
dba3c1d3 PG |
11702 | } |
11703 | ||
718e3744 | 11704 | DEFUN (show_ip_bgp_neighbor_routes, |
11705 | show_ip_bgp_neighbor_routes_cmd, | |
4dd6177e | 11706 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] " |
30a6a167 | 11707 | "neighbors <A.B.C.D|X:X::X:X|WORD> <flap-statistics|dampened-routes|routes> [json]", |
50ef26d4 | 11708 | SHOW_STR |
11709 | IP_STR | |
11710 | BGP_STR | |
8386ac43 | 11711 | BGP_INSTANCE_HELP_STR |
4f280b15 | 11712 | BGP_AFI_HELP_STR |
4dd6177e | 11713 | BGP_SAFI_WITH_LABEL_HELP_STR |
718e3744 | 11714 | "Detailed information on TCP and BGP neighbor connections\n" |
11715 | "Neighbor to display information about\n" | |
11716 | "Neighbor to display information about\n" | |
91d37724 | 11717 | "Neighbor on BGP configured interface\n" |
2525cf39 | 11718 | "Display flap statistics of the routes learned from neighbor\n" |
8c3deaae QY |
11719 | "Display the dampened routes received from neighbor\n" |
11720 | "Display routes learned from neighbor\n" | |
9973d184 | 11721 | JSON_STR) |
718e3744 | 11722 | { |
d62a17ae | 11723 | char *peerstr = NULL; |
11724 | struct bgp *bgp = NULL; | |
11725 | afi_t afi = AFI_IP6; | |
11726 | safi_t safi = SAFI_UNICAST; | |
11727 | struct peer *peer; | |
11728 | enum bgp_show_type sh_type = bgp_show_type_neighbor; | |
d62a17ae | 11729 | int idx = 0; |
9f049418 DS |
11730 | bool uj = use_json(argc, argv); |
11731 | ||
11732 | if (uj) | |
11733 | argc--; | |
bb46e94f | 11734 | |
d62a17ae | 11735 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 11736 | &bgp, uj); |
d62a17ae | 11737 | if (!idx) |
11738 | return CMD_WARNING; | |
c493f2d8 | 11739 | |
d62a17ae | 11740 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ |
11741 | argv_find(argv, argc, "neighbors", &idx); | |
11742 | peerstr = argv[++idx]->arg; | |
8c3deaae | 11743 | |
d62a17ae | 11744 | peer = peer_lookup_in_view(vty, bgp, peerstr, uj); |
9e6e6f46 | 11745 | if (!peer) |
d62a17ae | 11746 | return CMD_WARNING; |
bb46e94f | 11747 | |
d62a17ae | 11748 | if (argv_find(argv, argc, "flap-statistics", &idx)) |
11749 | sh_type = bgp_show_type_flap_neighbor; | |
11750 | else if (argv_find(argv, argc, "dampened-routes", &idx)) | |
11751 | sh_type = bgp_show_type_damp_neighbor; | |
11752 | else if (argv_find(argv, argc, "routes", &idx)) | |
11753 | sh_type = bgp_show_type_neighbor; | |
2525cf39 | 11754 | |
d62a17ae | 11755 | return bgp_show_neighbor_route(vty, peer, afi, safi, sh_type, uj); |
50ef26d4 | 11756 | } |
6b0655a2 | 11757 | |
734b349e | 11758 | struct bgp_table *bgp_distance_table[AFI_MAX][SAFI_MAX]; |
718e3744 | 11759 | |
d62a17ae | 11760 | struct bgp_distance { |
11761 | /* Distance value for the IP source prefix. */ | |
d7c0a89a | 11762 | uint8_t distance; |
718e3744 | 11763 | |
d62a17ae | 11764 | /* Name of the access-list to be matched. */ |
11765 | char *access_list; | |
718e3744 | 11766 | }; |
11767 | ||
4f280b15 LB |
11768 | DEFUN (show_bgp_afi_vpn_rd_route, |
11769 | show_bgp_afi_vpn_rd_route_cmd, | |
d114b977 | 11770 | "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 |
11771 | SHOW_STR |
11772 | BGP_STR | |
11773 | BGP_AFI_HELP_STR | |
11774 | "Address Family modifier\n" | |
11775 | "Display information for a route distinguisher\n" | |
11776 | "Route Distinguisher\n" | |
7395a2c9 DS |
11777 | "Network in the BGP routing table to display\n" |
11778 | "Network in the BGP routing table to display\n" | |
11779 | JSON_STR) | |
4f280b15 | 11780 | { |
d62a17ae | 11781 | int ret; |
11782 | struct prefix_rd prd; | |
11783 | afi_t afi = AFI_MAX; | |
11784 | int idx = 0; | |
4f280b15 | 11785 | |
ff6566f3 DS |
11786 | if (!argv_find_and_parse_afi(argv, argc, &idx, &afi)) { |
11787 | vty_out(vty, "%% Malformed Address Family\n"); | |
11788 | return CMD_WARNING; | |
11789 | } | |
11790 | ||
d62a17ae | 11791 | ret = str2prefix_rd(argv[5]->arg, &prd); |
11792 | if (!ret) { | |
11793 | vty_out(vty, "%% Malformed Route Distinguisher\n"); | |
11794 | return CMD_WARNING; | |
11795 | } | |
ff6566f3 | 11796 | |
d62a17ae | 11797 | return bgp_show_route(vty, NULL, argv[6]->arg, afi, SAFI_MPLS_VPN, &prd, |
360660c6 | 11798 | 0, BGP_PATH_SHOW_ALL, use_json(argc, argv)); |
4f280b15 LB |
11799 | } |
11800 | ||
d62a17ae | 11801 | static struct bgp_distance *bgp_distance_new(void) |
718e3744 | 11802 | { |
d62a17ae | 11803 | return XCALLOC(MTYPE_BGP_DISTANCE, sizeof(struct bgp_distance)); |
718e3744 | 11804 | } |
11805 | ||
d62a17ae | 11806 | static void bgp_distance_free(struct bgp_distance *bdistance) |
718e3744 | 11807 | { |
d62a17ae | 11808 | XFREE(MTYPE_BGP_DISTANCE, bdistance); |
718e3744 | 11809 | } |
11810 | ||
d62a17ae | 11811 | static int bgp_distance_set(struct vty *vty, const char *distance_str, |
11812 | const char *ip_str, const char *access_list_str) | |
718e3744 | 11813 | { |
d62a17ae | 11814 | int ret; |
11815 | afi_t afi; | |
11816 | safi_t safi; | |
11817 | struct prefix p; | |
d7c0a89a | 11818 | uint8_t distance; |
d62a17ae | 11819 | struct bgp_node *rn; |
11820 | struct bgp_distance *bdistance; | |
718e3744 | 11821 | |
d62a17ae | 11822 | afi = bgp_node_afi(vty); |
11823 | safi = bgp_node_safi(vty); | |
734b349e | 11824 | |
d62a17ae | 11825 | ret = str2prefix(ip_str, &p); |
11826 | if (ret == 0) { | |
11827 | vty_out(vty, "Malformed prefix\n"); | |
11828 | return CMD_WARNING_CONFIG_FAILED; | |
11829 | } | |
718e3744 | 11830 | |
d62a17ae | 11831 | distance = atoi(distance_str); |
718e3744 | 11832 | |
d62a17ae | 11833 | /* Get BGP distance node. */ |
11834 | rn = bgp_node_get(bgp_distance_table[afi][safi], (struct prefix *)&p); | |
5b00b40e | 11835 | bdistance = bgp_node_get_bgp_distance_info(rn); |
ca2e160d | 11836 | if (bdistance) |
d62a17ae | 11837 | bgp_unlock_node(rn); |
ca2e160d | 11838 | else { |
d62a17ae | 11839 | bdistance = bgp_distance_new(); |
5b00b40e | 11840 | bgp_node_set_bgp_distance_info(rn, bdistance); |
d62a17ae | 11841 | } |
718e3744 | 11842 | |
d62a17ae | 11843 | /* Set distance value. */ |
11844 | bdistance->distance = distance; | |
718e3744 | 11845 | |
d62a17ae | 11846 | /* Reset access-list configuration. */ |
11847 | if (bdistance->access_list) { | |
11848 | XFREE(MTYPE_AS_LIST, bdistance->access_list); | |
11849 | bdistance->access_list = NULL; | |
11850 | } | |
11851 | if (access_list_str) | |
11852 | bdistance->access_list = | |
11853 | XSTRDUP(MTYPE_AS_LIST, access_list_str); | |
718e3744 | 11854 | |
d62a17ae | 11855 | return CMD_SUCCESS; |
718e3744 | 11856 | } |
11857 | ||
d62a17ae | 11858 | static int bgp_distance_unset(struct vty *vty, const char *distance_str, |
11859 | const char *ip_str, const char *access_list_str) | |
718e3744 | 11860 | { |
d62a17ae | 11861 | int ret; |
11862 | afi_t afi; | |
11863 | safi_t safi; | |
11864 | struct prefix p; | |
11865 | int distance; | |
11866 | struct bgp_node *rn; | |
11867 | struct bgp_distance *bdistance; | |
718e3744 | 11868 | |
d62a17ae | 11869 | afi = bgp_node_afi(vty); |
11870 | safi = bgp_node_safi(vty); | |
734b349e | 11871 | |
d62a17ae | 11872 | ret = str2prefix(ip_str, &p); |
11873 | if (ret == 0) { | |
11874 | vty_out(vty, "Malformed prefix\n"); | |
11875 | return CMD_WARNING_CONFIG_FAILED; | |
11876 | } | |
718e3744 | 11877 | |
d62a17ae | 11878 | rn = bgp_node_lookup(bgp_distance_table[afi][safi], |
11879 | (struct prefix *)&p); | |
11880 | if (!rn) { | |
11881 | vty_out(vty, "Can't find specified prefix\n"); | |
11882 | return CMD_WARNING_CONFIG_FAILED; | |
11883 | } | |
718e3744 | 11884 | |
5b00b40e | 11885 | bdistance = bgp_node_get_bgp_distance_info(rn); |
d62a17ae | 11886 | distance = atoi(distance_str); |
1f9a9fff | 11887 | |
d62a17ae | 11888 | if (bdistance->distance != distance) { |
11889 | vty_out(vty, "Distance does not match configured\n"); | |
11890 | return CMD_WARNING_CONFIG_FAILED; | |
11891 | } | |
718e3744 | 11892 | |
0a22ddfb | 11893 | XFREE(MTYPE_AS_LIST, bdistance->access_list); |
d62a17ae | 11894 | bgp_distance_free(bdistance); |
718e3744 | 11895 | |
6f94b685 | 11896 | bgp_node_set_bgp_path_info(rn, NULL); |
d62a17ae | 11897 | bgp_unlock_node(rn); |
11898 | bgp_unlock_node(rn); | |
718e3744 | 11899 | |
d62a17ae | 11900 | return CMD_SUCCESS; |
718e3744 | 11901 | } |
11902 | ||
718e3744 | 11903 | /* Apply BGP information to distance method. */ |
40381db7 | 11904 | uint8_t bgp_distance_apply(struct prefix *p, struct bgp_path_info *pinfo, |
4b7e6066 | 11905 | afi_t afi, safi_t safi, struct bgp *bgp) |
d62a17ae | 11906 | { |
11907 | struct bgp_node *rn; | |
11908 | struct prefix q; | |
11909 | struct peer *peer; | |
11910 | struct bgp_distance *bdistance; | |
11911 | struct access_list *alist; | |
11912 | struct bgp_static *bgp_static; | |
11913 | ||
11914 | if (!bgp) | |
11915 | return 0; | |
11916 | ||
40381db7 | 11917 | peer = pinfo->peer; |
d62a17ae | 11918 | |
7b7d48e5 DS |
11919 | if (pinfo->attr->distance) |
11920 | return pinfo->attr->distance; | |
11921 | ||
d62a17ae | 11922 | /* Check source address. */ |
11923 | sockunion2hostprefix(&peer->su, &q); | |
11924 | rn = bgp_node_match(bgp_distance_table[afi][safi], &q); | |
11925 | if (rn) { | |
5b00b40e | 11926 | bdistance = bgp_node_get_bgp_distance_info(rn); |
d62a17ae | 11927 | bgp_unlock_node(rn); |
11928 | ||
11929 | if (bdistance->access_list) { | |
11930 | alist = access_list_lookup(afi, bdistance->access_list); | |
11931 | if (alist | |
11932 | && access_list_apply(alist, p) == FILTER_PERMIT) | |
11933 | return bdistance->distance; | |
11934 | } else | |
11935 | return bdistance->distance; | |
718e3744 | 11936 | } |
718e3744 | 11937 | |
d62a17ae | 11938 | /* Backdoor check. */ |
11939 | rn = bgp_node_lookup(bgp->route[afi][safi], p); | |
11940 | if (rn) { | |
5a8ba9fc | 11941 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 11942 | bgp_unlock_node(rn); |
718e3744 | 11943 | |
d62a17ae | 11944 | if (bgp_static->backdoor) { |
11945 | if (bgp->distance_local[afi][safi]) | |
11946 | return bgp->distance_local[afi][safi]; | |
11947 | else | |
11948 | return ZEBRA_IBGP_DISTANCE_DEFAULT; | |
11949 | } | |
718e3744 | 11950 | } |
718e3744 | 11951 | |
d62a17ae | 11952 | if (peer->sort == BGP_PEER_EBGP) { |
11953 | if (bgp->distance_ebgp[afi][safi]) | |
11954 | return bgp->distance_ebgp[afi][safi]; | |
11955 | return ZEBRA_EBGP_DISTANCE_DEFAULT; | |
11956 | } else { | |
11957 | if (bgp->distance_ibgp[afi][safi]) | |
11958 | return bgp->distance_ibgp[afi][safi]; | |
11959 | return ZEBRA_IBGP_DISTANCE_DEFAULT; | |
11960 | } | |
718e3744 | 11961 | } |
11962 | ||
11963 | DEFUN (bgp_distance, | |
11964 | bgp_distance_cmd, | |
6147e2c6 | 11965 | "distance bgp (1-255) (1-255) (1-255)", |
718e3744 | 11966 | "Define an administrative distance\n" |
11967 | "BGP distance\n" | |
11968 | "Distance for routes external to the AS\n" | |
11969 | "Distance for routes internal to the AS\n" | |
11970 | "Distance for local routes\n") | |
11971 | { | |
d62a17ae | 11972 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
11973 | int idx_number = 2; | |
11974 | int idx_number_2 = 3; | |
11975 | int idx_number_3 = 4; | |
11976 | afi_t afi; | |
11977 | safi_t safi; | |
718e3744 | 11978 | |
d62a17ae | 11979 | afi = bgp_node_afi(vty); |
11980 | safi = bgp_node_safi(vty); | |
718e3744 | 11981 | |
d62a17ae | 11982 | bgp->distance_ebgp[afi][safi] = atoi(argv[idx_number]->arg); |
11983 | bgp->distance_ibgp[afi][safi] = atoi(argv[idx_number_2]->arg); | |
11984 | bgp->distance_local[afi][safi] = atoi(argv[idx_number_3]->arg); | |
11985 | return CMD_SUCCESS; | |
718e3744 | 11986 | } |
11987 | ||
11988 | DEFUN (no_bgp_distance, | |
11989 | no_bgp_distance_cmd, | |
a636c635 | 11990 | "no distance bgp [(1-255) (1-255) (1-255)]", |
718e3744 | 11991 | NO_STR |
11992 | "Define an administrative distance\n" | |
11993 | "BGP distance\n" | |
11994 | "Distance for routes external to the AS\n" | |
11995 | "Distance for routes internal to the AS\n" | |
11996 | "Distance for local routes\n") | |
11997 | { | |
d62a17ae | 11998 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
11999 | afi_t afi; | |
12000 | safi_t safi; | |
718e3744 | 12001 | |
d62a17ae | 12002 | afi = bgp_node_afi(vty); |
12003 | safi = bgp_node_safi(vty); | |
718e3744 | 12004 | |
d62a17ae | 12005 | bgp->distance_ebgp[afi][safi] = 0; |
12006 | bgp->distance_ibgp[afi][safi] = 0; | |
12007 | bgp->distance_local[afi][safi] = 0; | |
12008 | return CMD_SUCCESS; | |
718e3744 | 12009 | } |
12010 | ||
718e3744 | 12011 | |
12012 | DEFUN (bgp_distance_source, | |
12013 | bgp_distance_source_cmd, | |
6147e2c6 | 12014 | "distance (1-255) A.B.C.D/M", |
718e3744 | 12015 | "Define an administrative distance\n" |
12016 | "Administrative distance\n" | |
12017 | "IP source prefix\n") | |
12018 | { | |
d62a17ae | 12019 | int idx_number = 1; |
12020 | int idx_ipv4_prefixlen = 2; | |
12021 | bgp_distance_set(vty, argv[idx_number]->arg, | |
12022 | argv[idx_ipv4_prefixlen]->arg, NULL); | |
12023 | return CMD_SUCCESS; | |
718e3744 | 12024 | } |
12025 | ||
12026 | DEFUN (no_bgp_distance_source, | |
12027 | no_bgp_distance_source_cmd, | |
6147e2c6 | 12028 | "no distance (1-255) A.B.C.D/M", |
718e3744 | 12029 | NO_STR |
12030 | "Define an administrative distance\n" | |
12031 | "Administrative distance\n" | |
12032 | "IP source prefix\n") | |
12033 | { | |
d62a17ae | 12034 | int idx_number = 2; |
12035 | int idx_ipv4_prefixlen = 3; | |
12036 | bgp_distance_unset(vty, argv[idx_number]->arg, | |
12037 | argv[idx_ipv4_prefixlen]->arg, NULL); | |
12038 | return CMD_SUCCESS; | |
718e3744 | 12039 | } |
12040 | ||
12041 | DEFUN (bgp_distance_source_access_list, | |
12042 | bgp_distance_source_access_list_cmd, | |
6147e2c6 | 12043 | "distance (1-255) A.B.C.D/M WORD", |
718e3744 | 12044 | "Define an administrative distance\n" |
12045 | "Administrative distance\n" | |
12046 | "IP source prefix\n" | |
12047 | "Access list name\n") | |
12048 | { | |
d62a17ae | 12049 | int idx_number = 1; |
12050 | int idx_ipv4_prefixlen = 2; | |
12051 | int idx_word = 3; | |
12052 | bgp_distance_set(vty, argv[idx_number]->arg, | |
12053 | argv[idx_ipv4_prefixlen]->arg, argv[idx_word]->arg); | |
12054 | return CMD_SUCCESS; | |
718e3744 | 12055 | } |
12056 | ||
12057 | DEFUN (no_bgp_distance_source_access_list, | |
12058 | no_bgp_distance_source_access_list_cmd, | |
6147e2c6 | 12059 | "no distance (1-255) A.B.C.D/M WORD", |
718e3744 | 12060 | NO_STR |
12061 | "Define an administrative distance\n" | |
12062 | "Administrative distance\n" | |
12063 | "IP source prefix\n" | |
12064 | "Access list name\n") | |
12065 | { | |
d62a17ae | 12066 | int idx_number = 2; |
12067 | int idx_ipv4_prefixlen = 3; | |
12068 | int idx_word = 4; | |
12069 | bgp_distance_unset(vty, argv[idx_number]->arg, | |
12070 | argv[idx_ipv4_prefixlen]->arg, argv[idx_word]->arg); | |
12071 | return CMD_SUCCESS; | |
718e3744 | 12072 | } |
6b0655a2 | 12073 | |
734b349e MZ |
12074 | DEFUN (ipv6_bgp_distance_source, |
12075 | ipv6_bgp_distance_source_cmd, | |
39e92c06 | 12076 | "distance (1-255) X:X::X:X/M", |
734b349e MZ |
12077 | "Define an administrative distance\n" |
12078 | "Administrative distance\n" | |
12079 | "IP source prefix\n") | |
12080 | { | |
d62a17ae | 12081 | bgp_distance_set(vty, argv[1]->arg, argv[2]->arg, NULL); |
12082 | return CMD_SUCCESS; | |
734b349e MZ |
12083 | } |
12084 | ||
12085 | DEFUN (no_ipv6_bgp_distance_source, | |
12086 | no_ipv6_bgp_distance_source_cmd, | |
39e92c06 | 12087 | "no distance (1-255) X:X::X:X/M", |
734b349e MZ |
12088 | NO_STR |
12089 | "Define an administrative distance\n" | |
12090 | "Administrative distance\n" | |
12091 | "IP source prefix\n") | |
12092 | { | |
d62a17ae | 12093 | bgp_distance_unset(vty, argv[2]->arg, argv[3]->arg, NULL); |
12094 | return CMD_SUCCESS; | |
734b349e MZ |
12095 | } |
12096 | ||
12097 | DEFUN (ipv6_bgp_distance_source_access_list, | |
12098 | ipv6_bgp_distance_source_access_list_cmd, | |
39e92c06 | 12099 | "distance (1-255) X:X::X:X/M WORD", |
734b349e MZ |
12100 | "Define an administrative distance\n" |
12101 | "Administrative distance\n" | |
12102 | "IP source prefix\n" | |
12103 | "Access list name\n") | |
12104 | { | |
d62a17ae | 12105 | bgp_distance_set(vty, argv[1]->arg, argv[2]->arg, argv[3]->arg); |
12106 | return CMD_SUCCESS; | |
734b349e MZ |
12107 | } |
12108 | ||
12109 | DEFUN (no_ipv6_bgp_distance_source_access_list, | |
12110 | no_ipv6_bgp_distance_source_access_list_cmd, | |
39e92c06 | 12111 | "no distance (1-255) X:X::X:X/M WORD", |
734b349e MZ |
12112 | NO_STR |
12113 | "Define an administrative distance\n" | |
12114 | "Administrative distance\n" | |
12115 | "IP source prefix\n" | |
12116 | "Access list name\n") | |
12117 | { | |
d62a17ae | 12118 | bgp_distance_unset(vty, argv[2]->arg, argv[3]->arg, argv[4]->arg); |
12119 | return CMD_SUCCESS; | |
734b349e MZ |
12120 | } |
12121 | ||
718e3744 | 12122 | DEFUN (bgp_damp_set, |
12123 | bgp_damp_set_cmd, | |
31500417 | 12124 | "bgp dampening [(1-45) [(1-20000) (1-20000) (1-255)]]", |
718e3744 | 12125 | "BGP Specific commands\n" |
12126 | "Enable route-flap dampening\n" | |
12127 | "Half-life time for the penalty\n" | |
12128 | "Value to start reusing a route\n" | |
12129 | "Value to start suppressing a route\n" | |
12130 | "Maximum duration to suppress a stable route\n") | |
12131 | { | |
d62a17ae | 12132 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
12133 | int idx_half_life = 2; | |
12134 | int idx_reuse = 3; | |
12135 | int idx_suppress = 4; | |
12136 | int idx_max_suppress = 5; | |
12137 | int half = DEFAULT_HALF_LIFE * 60; | |
12138 | int reuse = DEFAULT_REUSE; | |
12139 | int suppress = DEFAULT_SUPPRESS; | |
12140 | int max = 4 * half; | |
12141 | ||
12142 | if (argc == 6) { | |
12143 | half = atoi(argv[idx_half_life]->arg) * 60; | |
12144 | reuse = atoi(argv[idx_reuse]->arg); | |
12145 | suppress = atoi(argv[idx_suppress]->arg); | |
12146 | max = atoi(argv[idx_max_suppress]->arg) * 60; | |
12147 | } else if (argc == 3) { | |
12148 | half = atoi(argv[idx_half_life]->arg) * 60; | |
12149 | max = 4 * half; | |
12150 | } | |
718e3744 | 12151 | |
d62a17ae | 12152 | if (suppress < reuse) { |
12153 | vty_out(vty, | |
12154 | "Suppress value cannot be less than reuse value \n"); | |
12155 | return 0; | |
12156 | } | |
7ebe9748 | 12157 | |
d62a17ae | 12158 | return bgp_damp_enable(bgp, bgp_node_afi(vty), bgp_node_safi(vty), half, |
12159 | reuse, suppress, max); | |
718e3744 | 12160 | } |
12161 | ||
718e3744 | 12162 | DEFUN (bgp_damp_unset, |
12163 | bgp_damp_unset_cmd, | |
d04c479d | 12164 | "no bgp dampening [(1-45) [(1-20000) (1-20000) (1-255)]]", |
718e3744 | 12165 | NO_STR |
12166 | "BGP Specific commands\n" | |
16cedbb0 QY |
12167 | "Enable route-flap dampening\n" |
12168 | "Half-life time for the penalty\n" | |
12169 | "Value to start reusing a route\n" | |
12170 | "Value to start suppressing a route\n" | |
12171 | "Maximum duration to suppress a stable route\n") | |
718e3744 | 12172 | { |
d62a17ae | 12173 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
12174 | return bgp_damp_disable(bgp, bgp_node_afi(vty), bgp_node_safi(vty)); | |
718e3744 | 12175 | } |
12176 | ||
718e3744 | 12177 | /* Display specified route of BGP table. */ |
d62a17ae | 12178 | static int bgp_clear_damp_route(struct vty *vty, const char *view_name, |
12179 | const char *ip_str, afi_t afi, safi_t safi, | |
12180 | struct prefix_rd *prd, int prefix_check) | |
12181 | { | |
12182 | int ret; | |
12183 | struct prefix match; | |
12184 | struct bgp_node *rn; | |
12185 | struct bgp_node *rm; | |
40381db7 DS |
12186 | struct bgp_path_info *pi; |
12187 | struct bgp_path_info *pi_temp; | |
d62a17ae | 12188 | struct bgp *bgp; |
12189 | struct bgp_table *table; | |
12190 | ||
12191 | /* BGP structure lookup. */ | |
12192 | if (view_name) { | |
12193 | bgp = bgp_lookup_by_name(view_name); | |
12194 | if (bgp == NULL) { | |
12195 | vty_out(vty, "%% Can't find BGP instance %s\n", | |
12196 | view_name); | |
12197 | return CMD_WARNING; | |
12198 | } | |
12199 | } else { | |
12200 | bgp = bgp_get_default(); | |
12201 | if (bgp == NULL) { | |
12202 | vty_out(vty, "%% No BGP process is configured\n"); | |
12203 | return CMD_WARNING; | |
12204 | } | |
718e3744 | 12205 | } |
718e3744 | 12206 | |
d62a17ae | 12207 | /* Check IP address argument. */ |
12208 | ret = str2prefix(ip_str, &match); | |
12209 | if (!ret) { | |
12210 | vty_out(vty, "%% address is malformed\n"); | |
12211 | return CMD_WARNING; | |
12212 | } | |
718e3744 | 12213 | |
d62a17ae | 12214 | match.family = afi2family(afi); |
12215 | ||
12216 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) | |
12217 | || (safi == SAFI_EVPN)) { | |
12218 | for (rn = bgp_table_top(bgp->rib[AFI_IP][safi]); rn; | |
12219 | rn = bgp_route_next(rn)) { | |
12220 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
12221 | continue; | |
67009e22 DS |
12222 | table = bgp_node_get_bgp_table_info(rn); |
12223 | if (!table) | |
ea47320b DL |
12224 | continue; |
12225 | if ((rm = bgp_node_match(table, &match)) == NULL) | |
12226 | continue; | |
d62a17ae | 12227 | |
ea47320b DL |
12228 | if (!prefix_check |
12229 | || rm->p.prefixlen == match.prefixlen) { | |
6f94b685 | 12230 | pi = bgp_node_get_bgp_path_info(rm); |
40381db7 DS |
12231 | while (pi) { |
12232 | if (pi->extra && pi->extra->damp_info) { | |
12233 | pi_temp = pi->next; | |
ea47320b | 12234 | bgp_damp_info_free( |
40381db7 | 12235 | pi->extra->damp_info, |
60466a63 | 12236 | 1); |
40381db7 | 12237 | pi = pi_temp; |
ea47320b | 12238 | } else |
40381db7 | 12239 | pi = pi->next; |
d62a17ae | 12240 | } |
ea47320b DL |
12241 | } |
12242 | ||
12243 | bgp_unlock_node(rm); | |
d62a17ae | 12244 | } |
12245 | } else { | |
12246 | if ((rn = bgp_node_match(bgp->rib[afi][safi], &match)) | |
12247 | != NULL) { | |
12248 | if (!prefix_check | |
12249 | || rn->p.prefixlen == match.prefixlen) { | |
6f94b685 | 12250 | pi = bgp_node_get_bgp_path_info(rn); |
40381db7 DS |
12251 | while (pi) { |
12252 | if (pi->extra && pi->extra->damp_info) { | |
12253 | pi_temp = pi->next; | |
d62a17ae | 12254 | bgp_damp_info_free( |
40381db7 | 12255 | pi->extra->damp_info, |
d62a17ae | 12256 | 1); |
40381db7 | 12257 | pi = pi_temp; |
d62a17ae | 12258 | } else |
40381db7 | 12259 | pi = pi->next; |
d62a17ae | 12260 | } |
12261 | } | |
12262 | ||
12263 | bgp_unlock_node(rn); | |
12264 | } | |
12265 | } | |
718e3744 | 12266 | |
d62a17ae | 12267 | return CMD_SUCCESS; |
718e3744 | 12268 | } |
12269 | ||
12270 | DEFUN (clear_ip_bgp_dampening, | |
12271 | clear_ip_bgp_dampening_cmd, | |
12272 | "clear ip bgp dampening", | |
12273 | CLEAR_STR | |
12274 | IP_STR | |
12275 | BGP_STR | |
12276 | "Clear route flap dampening information\n") | |
12277 | { | |
d62a17ae | 12278 | bgp_damp_info_clean(); |
12279 | return CMD_SUCCESS; | |
718e3744 | 12280 | } |
12281 | ||
12282 | DEFUN (clear_ip_bgp_dampening_prefix, | |
12283 | clear_ip_bgp_dampening_prefix_cmd, | |
12284 | "clear ip bgp dampening A.B.C.D/M", | |
12285 | CLEAR_STR | |
12286 | IP_STR | |
12287 | BGP_STR | |
12288 | "Clear route flap dampening information\n" | |
0c7b1b01 | 12289 | "IPv4 prefix\n") |
718e3744 | 12290 | { |
d62a17ae | 12291 | int idx_ipv4_prefixlen = 4; |
12292 | return bgp_clear_damp_route(vty, NULL, argv[idx_ipv4_prefixlen]->arg, | |
12293 | AFI_IP, SAFI_UNICAST, NULL, 1); | |
718e3744 | 12294 | } |
12295 | ||
12296 | DEFUN (clear_ip_bgp_dampening_address, | |
12297 | clear_ip_bgp_dampening_address_cmd, | |
12298 | "clear ip bgp dampening A.B.C.D", | |
12299 | CLEAR_STR | |
12300 | IP_STR | |
12301 | BGP_STR | |
12302 | "Clear route flap dampening information\n" | |
12303 | "Network to clear damping information\n") | |
12304 | { | |
d62a17ae | 12305 | int idx_ipv4 = 4; |
12306 | return bgp_clear_damp_route(vty, NULL, argv[idx_ipv4]->arg, AFI_IP, | |
12307 | SAFI_UNICAST, NULL, 0); | |
718e3744 | 12308 | } |
12309 | ||
12310 | DEFUN (clear_ip_bgp_dampening_address_mask, | |
12311 | clear_ip_bgp_dampening_address_mask_cmd, | |
12312 | "clear ip bgp dampening A.B.C.D A.B.C.D", | |
12313 | CLEAR_STR | |
12314 | IP_STR | |
12315 | BGP_STR | |
12316 | "Clear route flap dampening information\n" | |
12317 | "Network to clear damping information\n" | |
12318 | "Network mask\n") | |
12319 | { | |
d62a17ae | 12320 | int idx_ipv4 = 4; |
12321 | int idx_ipv4_2 = 5; | |
12322 | int ret; | |
12323 | char prefix_str[BUFSIZ]; | |
718e3744 | 12324 | |
d62a17ae | 12325 | ret = netmask_str2prefix_str(argv[idx_ipv4]->arg, argv[idx_ipv4_2]->arg, |
12326 | prefix_str); | |
12327 | if (!ret) { | |
12328 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
12329 | return CMD_WARNING; | |
12330 | } | |
718e3744 | 12331 | |
d62a17ae | 12332 | return bgp_clear_damp_route(vty, NULL, prefix_str, AFI_IP, SAFI_UNICAST, |
12333 | NULL, 0); | |
718e3744 | 12334 | } |
6b0655a2 | 12335 | |
e3b78da8 | 12336 | static void show_bgp_peerhash_entry(struct hash_bucket *bucket, void *arg) |
825d9834 DS |
12337 | { |
12338 | struct vty *vty = arg; | |
e3b78da8 | 12339 | struct peer *peer = bucket->data; |
825d9834 DS |
12340 | char buf[SU_ADDRSTRLEN]; |
12341 | ||
12342 | vty_out(vty, "\tPeer: %s %s\n", peer->host, | |
12343 | sockunion2str(&peer->su, buf, sizeof(buf))); | |
12344 | } | |
12345 | ||
12346 | DEFUN (show_bgp_peerhash, | |
12347 | show_bgp_peerhash_cmd, | |
12348 | "show bgp peerhash", | |
12349 | SHOW_STR | |
12350 | BGP_STR | |
12351 | "Display information about the BGP peerhash\n") | |
12352 | { | |
12353 | struct list *instances = bm->bgp; | |
12354 | struct listnode *node; | |
12355 | struct bgp *bgp; | |
12356 | ||
12357 | for (ALL_LIST_ELEMENTS_RO(instances, node, bgp)) { | |
12358 | vty_out(vty, "BGP: %s\n", bgp->name); | |
12359 | hash_iterate(bgp->peerhash, show_bgp_peerhash_entry, | |
12360 | vty); | |
12361 | } | |
12362 | ||
12363 | return CMD_SUCCESS; | |
12364 | } | |
12365 | ||
587ff0fd | 12366 | /* also used for encap safi */ |
2b791107 DL |
12367 | static void bgp_config_write_network_vpn(struct vty *vty, struct bgp *bgp, |
12368 | afi_t afi, safi_t safi) | |
d62a17ae | 12369 | { |
12370 | struct bgp_node *prn; | |
12371 | struct bgp_node *rn; | |
12372 | struct bgp_table *table; | |
12373 | struct prefix *p; | |
12374 | struct prefix_rd *prd; | |
12375 | struct bgp_static *bgp_static; | |
12376 | mpls_label_t label; | |
12377 | char buf[SU_ADDRSTRLEN]; | |
12378 | char rdbuf[RD_ADDRSTRLEN]; | |
12379 | ||
12380 | /* Network configuration. */ | |
12381 | for (prn = bgp_table_top(bgp->route[afi][safi]); prn; | |
ea47320b | 12382 | prn = bgp_route_next(prn)) { |
67009e22 DS |
12383 | table = bgp_node_get_bgp_table_info(prn); |
12384 | if (!table) | |
ea47320b | 12385 | continue; |
d62a17ae | 12386 | |
60466a63 | 12387 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
5a8ba9fc | 12388 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12389 | if (bgp_static == NULL) |
ea47320b | 12390 | continue; |
d62a17ae | 12391 | |
ea47320b DL |
12392 | p = &rn->p; |
12393 | prd = (struct prefix_rd *)&prn->p; | |
d62a17ae | 12394 | |
ea47320b | 12395 | /* "network" configuration display. */ |
06b9f471 | 12396 | prefix_rd2str(prd, rdbuf, sizeof(rdbuf)); |
ea47320b DL |
12397 | label = decode_label(&bgp_static->label); |
12398 | ||
12399 | vty_out(vty, " network %s/%d rd %s", | |
12400 | inet_ntop(p->family, &p->u.prefix, buf, | |
12401 | SU_ADDRSTRLEN), | |
12402 | p->prefixlen, rdbuf); | |
12403 | if (safi == SAFI_MPLS_VPN) | |
12404 | vty_out(vty, " label %u", label); | |
12405 | ||
12406 | if (bgp_static->rmap.name) | |
12407 | vty_out(vty, " route-map %s", | |
12408 | bgp_static->rmap.name); | |
e2a86ad9 DS |
12409 | |
12410 | if (bgp_static->backdoor) | |
12411 | vty_out(vty, " backdoor"); | |
12412 | ||
ea47320b DL |
12413 | vty_out(vty, "\n"); |
12414 | } | |
12415 | } | |
d62a17ae | 12416 | } |
12417 | ||
2b791107 DL |
12418 | static void bgp_config_write_network_evpn(struct vty *vty, struct bgp *bgp, |
12419 | afi_t afi, safi_t safi) | |
d62a17ae | 12420 | { |
12421 | struct bgp_node *prn; | |
12422 | struct bgp_node *rn; | |
12423 | struct bgp_table *table; | |
12424 | struct prefix *p; | |
12425 | struct prefix_rd *prd; | |
12426 | struct bgp_static *bgp_static; | |
ff44f570 | 12427 | char buf[PREFIX_STRLEN * 2]; |
d62a17ae | 12428 | char buf2[SU_ADDRSTRLEN]; |
12429 | char rdbuf[RD_ADDRSTRLEN]; | |
12430 | ||
12431 | /* Network configuration. */ | |
12432 | for (prn = bgp_table_top(bgp->route[afi][safi]); prn; | |
ea47320b | 12433 | prn = bgp_route_next(prn)) { |
67009e22 DS |
12434 | table = bgp_node_get_bgp_table_info(prn); |
12435 | if (!table) | |
ea47320b | 12436 | continue; |
d62a17ae | 12437 | |
60466a63 | 12438 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
5a8ba9fc | 12439 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12440 | if (bgp_static == NULL) |
ea47320b | 12441 | continue; |
d62a17ae | 12442 | |
ea47320b DL |
12443 | char *macrouter = NULL; |
12444 | char *esi = NULL; | |
d62a17ae | 12445 | |
ea47320b DL |
12446 | if (bgp_static->router_mac) |
12447 | macrouter = prefix_mac2str( | |
12448 | bgp_static->router_mac, NULL, 0); | |
12449 | if (bgp_static->eth_s_id) | |
12450 | esi = esi2str(bgp_static->eth_s_id); | |
12451 | p = &rn->p; | |
12452 | prd = (struct prefix_rd *)&prn->p; | |
d62a17ae | 12453 | |
ea47320b | 12454 | /* "network" configuration display. */ |
06b9f471 | 12455 | prefix_rd2str(prd, rdbuf, sizeof(rdbuf)); |
197cb530 PG |
12456 | if (p->u.prefix_evpn.route_type == 5) { |
12457 | char local_buf[PREFIX_STRLEN]; | |
3714a385 | 12458 | uint8_t family = is_evpn_prefix_ipaddr_v4(( |
a4d82a8a PZ |
12459 | struct prefix_evpn *)p) |
12460 | ? AF_INET | |
12461 | : AF_INET6; | |
3714a385 | 12462 | inet_ntop(family, |
12463 | &p->u.prefix_evpn.prefix_addr.ip.ip.addr, | |
a4d82a8a PZ |
12464 | local_buf, PREFIX_STRLEN); |
12465 | sprintf(buf, "%s/%u", local_buf, | |
3714a385 | 12466 | p->u.prefix_evpn.prefix_addr.ip_prefix_length); |
197cb530 PG |
12467 | } else { |
12468 | prefix2str(p, buf, sizeof(buf)); | |
12469 | } | |
ea47320b | 12470 | |
a4d82a8a PZ |
12471 | if (bgp_static->gatewayIp.family == AF_INET |
12472 | || bgp_static->gatewayIp.family == AF_INET6) | |
197cb530 PG |
12473 | inet_ntop(bgp_static->gatewayIp.family, |
12474 | &bgp_static->gatewayIp.u.prefix, buf2, | |
12475 | sizeof(buf2)); | |
ea47320b | 12476 | vty_out(vty, |
7bcc8dac | 12477 | " network %s rd %s ethtag %u label %u esi %s gwip %s routermac %s\n", |
3714a385 | 12478 | buf, rdbuf, |
12479 | p->u.prefix_evpn.prefix_addr.eth_tag, | |
60466a63 | 12480 | decode_label(&bgp_static->label), esi, buf2, |
ea47320b DL |
12481 | macrouter); |
12482 | ||
0a22ddfb QY |
12483 | XFREE(MTYPE_TMP, macrouter); |
12484 | XFREE(MTYPE_TMP, esi); | |
ea47320b DL |
12485 | } |
12486 | } | |
3da6fcd5 PG |
12487 | } |
12488 | ||
718e3744 | 12489 | /* Configuration of static route announcement and aggregate |
12490 | information. */ | |
2b791107 DL |
12491 | void bgp_config_write_network(struct vty *vty, struct bgp *bgp, afi_t afi, |
12492 | safi_t safi) | |
d62a17ae | 12493 | { |
12494 | struct bgp_node *rn; | |
12495 | struct prefix *p; | |
12496 | struct bgp_static *bgp_static; | |
12497 | struct bgp_aggregate *bgp_aggregate; | |
12498 | char buf[SU_ADDRSTRLEN]; | |
12499 | ||
2b791107 DL |
12500 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP)) { |
12501 | bgp_config_write_network_vpn(vty, bgp, afi, safi); | |
12502 | return; | |
12503 | } | |
d62a17ae | 12504 | |
2b791107 DL |
12505 | if (afi == AFI_L2VPN && safi == SAFI_EVPN) { |
12506 | bgp_config_write_network_evpn(vty, bgp, afi, safi); | |
12507 | return; | |
12508 | } | |
d62a17ae | 12509 | |
12510 | /* Network configuration. */ | |
12511 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
ea47320b | 12512 | rn = bgp_route_next(rn)) { |
5a8ba9fc | 12513 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12514 | if (bgp_static == NULL) |
ea47320b | 12515 | continue; |
d62a17ae | 12516 | |
ea47320b | 12517 | p = &rn->p; |
d62a17ae | 12518 | |
d8a9922d DS |
12519 | vty_out(vty, " network %s/%d", |
12520 | inet_ntop(p->family, &p->u.prefix, buf, SU_ADDRSTRLEN), | |
12521 | p->prefixlen); | |
d62a17ae | 12522 | |
ea47320b DL |
12523 | if (bgp_static->label_index != BGP_INVALID_LABEL_INDEX) |
12524 | vty_out(vty, " label-index %u", | |
12525 | bgp_static->label_index); | |
d62a17ae | 12526 | |
ea47320b DL |
12527 | if (bgp_static->rmap.name) |
12528 | vty_out(vty, " route-map %s", bgp_static->rmap.name); | |
e2a86ad9 DS |
12529 | |
12530 | if (bgp_static->backdoor) | |
12531 | vty_out(vty, " backdoor"); | |
718e3744 | 12532 | |
ea47320b DL |
12533 | vty_out(vty, "\n"); |
12534 | } | |
12535 | ||
d62a17ae | 12536 | /* Aggregate-address configuration. */ |
12537 | for (rn = bgp_table_top(bgp->aggregate[afi][safi]); rn; | |
ea47320b | 12538 | rn = bgp_route_next(rn)) { |
b613a918 | 12539 | bgp_aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 12540 | if (bgp_aggregate == NULL) |
ea47320b | 12541 | continue; |
d62a17ae | 12542 | |
ea47320b | 12543 | p = &rn->p; |
d62a17ae | 12544 | |
d8a9922d DS |
12545 | vty_out(vty, " aggregate-address %s/%d", |
12546 | inet_ntop(p->family, &p->u.prefix, buf, SU_ADDRSTRLEN), | |
12547 | p->prefixlen); | |
d62a17ae | 12548 | |
ea47320b DL |
12549 | if (bgp_aggregate->as_set) |
12550 | vty_out(vty, " as-set"); | |
d62a17ae | 12551 | |
ea47320b DL |
12552 | if (bgp_aggregate->summary_only) |
12553 | vty_out(vty, " summary-only"); | |
718e3744 | 12554 | |
20894f50 DA |
12555 | if (bgp_aggregate->rmap.name) |
12556 | vty_out(vty, " route-map %s", bgp_aggregate->rmap.name); | |
12557 | ||
ea47320b DL |
12558 | vty_out(vty, "\n"); |
12559 | } | |
d62a17ae | 12560 | } |
734b349e | 12561 | |
2b791107 | 12562 | void bgp_config_write_distance(struct vty *vty, struct bgp *bgp, afi_t afi, |
60466a63 | 12563 | safi_t safi) |
d62a17ae | 12564 | { |
12565 | struct bgp_node *rn; | |
12566 | struct bgp_distance *bdistance; | |
12567 | ||
12568 | /* Distance configuration. */ | |
12569 | if (bgp->distance_ebgp[afi][safi] && bgp->distance_ibgp[afi][safi] | |
12570 | && bgp->distance_local[afi][safi] | |
12571 | && (bgp->distance_ebgp[afi][safi] != ZEBRA_EBGP_DISTANCE_DEFAULT | |
12572 | || bgp->distance_ibgp[afi][safi] != ZEBRA_IBGP_DISTANCE_DEFAULT | |
12573 | || bgp->distance_local[afi][safi] | |
12574 | != ZEBRA_IBGP_DISTANCE_DEFAULT)) { | |
d62a17ae | 12575 | vty_out(vty, " distance bgp %d %d %d\n", |
12576 | bgp->distance_ebgp[afi][safi], | |
12577 | bgp->distance_ibgp[afi][safi], | |
12578 | bgp->distance_local[afi][safi]); | |
12579 | } | |
734b349e | 12580 | |
d62a17ae | 12581 | for (rn = bgp_table_top(bgp_distance_table[afi][safi]); rn; |
ca2e160d | 12582 | rn = bgp_route_next(rn)) { |
5b00b40e | 12583 | bdistance = bgp_node_get_bgp_distance_info(rn); |
ca2e160d | 12584 | if (bdistance != NULL) { |
d62a17ae | 12585 | char buf[PREFIX_STRLEN]; |
12586 | ||
d62a17ae | 12587 | vty_out(vty, " distance %d %s %s\n", |
12588 | bdistance->distance, | |
12589 | prefix2str(&rn->p, buf, sizeof(buf)), | |
12590 | bdistance->access_list ? bdistance->access_list | |
12591 | : ""); | |
12592 | } | |
ca2e160d | 12593 | } |
718e3744 | 12594 | } |
12595 | ||
12596 | /* Allocate routing table structure and install commands. */ | |
d62a17ae | 12597 | void bgp_route_init(void) |
12598 | { | |
12599 | afi_t afi; | |
12600 | safi_t safi; | |
12601 | ||
12602 | /* Init BGP distance table. */ | |
05c7a1cc | 12603 | FOREACH_AFI_SAFI (afi, safi) |
960035b2 | 12604 | bgp_distance_table[afi][safi] = bgp_table_init(NULL, afi, safi); |
d62a17ae | 12605 | |
12606 | /* IPv4 BGP commands. */ | |
12607 | install_element(BGP_NODE, &bgp_table_map_cmd); | |
12608 | install_element(BGP_NODE, &bgp_network_cmd); | |
d62a17ae | 12609 | install_element(BGP_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12610 | |
12611 | install_element(BGP_NODE, &aggregate_address_cmd); | |
12612 | install_element(BGP_NODE, &aggregate_address_mask_cmd); | |
12613 | install_element(BGP_NODE, &no_aggregate_address_cmd); | |
12614 | install_element(BGP_NODE, &no_aggregate_address_mask_cmd); | |
12615 | ||
12616 | /* IPv4 unicast configuration. */ | |
12617 | install_element(BGP_IPV4_NODE, &bgp_table_map_cmd); | |
12618 | install_element(BGP_IPV4_NODE, &bgp_network_cmd); | |
d62a17ae | 12619 | install_element(BGP_IPV4_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12620 | |
12621 | install_element(BGP_IPV4_NODE, &aggregate_address_cmd); | |
12622 | install_element(BGP_IPV4_NODE, &aggregate_address_mask_cmd); | |
12623 | install_element(BGP_IPV4_NODE, &no_aggregate_address_cmd); | |
12624 | install_element(BGP_IPV4_NODE, &no_aggregate_address_mask_cmd); | |
12625 | ||
12626 | /* IPv4 multicast configuration. */ | |
12627 | install_element(BGP_IPV4M_NODE, &bgp_table_map_cmd); | |
12628 | install_element(BGP_IPV4M_NODE, &bgp_network_cmd); | |
d62a17ae | 12629 | install_element(BGP_IPV4M_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12630 | install_element(BGP_IPV4M_NODE, &aggregate_address_cmd); |
12631 | install_element(BGP_IPV4M_NODE, &aggregate_address_mask_cmd); | |
12632 | install_element(BGP_IPV4M_NODE, &no_aggregate_address_cmd); | |
12633 | install_element(BGP_IPV4M_NODE, &no_aggregate_address_mask_cmd); | |
12634 | ||
12635 | /* IPv4 labeled-unicast configuration. */ | |
12636 | install_element(VIEW_NODE, &show_ip_bgp_instance_all_cmd); | |
12637 | install_element(VIEW_NODE, &show_ip_bgp_cmd); | |
7b2ff250 | 12638 | install_element(VIEW_NODE, &show_ip_bgp_json_cmd); |
d62a17ae | 12639 | install_element(VIEW_NODE, &show_ip_bgp_route_cmd); |
12640 | install_element(VIEW_NODE, &show_ip_bgp_regexp_cmd); | |
12641 | ||
12642 | install_element(VIEW_NODE, | |
12643 | &show_ip_bgp_instance_neighbor_advertised_route_cmd); | |
12644 | install_element(VIEW_NODE, &show_ip_bgp_neighbor_routes_cmd); | |
12645 | install_element(VIEW_NODE, | |
12646 | &show_ip_bgp_neighbor_received_prefix_filter_cmd); | |
d6902373 | 12647 | #ifdef KEEP_OLD_VPN_COMMANDS |
d62a17ae | 12648 | install_element(VIEW_NODE, &show_ip_bgp_vpn_all_route_prefix_cmd); |
d6902373 | 12649 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
d62a17ae | 12650 | install_element(VIEW_NODE, &show_bgp_afi_vpn_rd_route_cmd); |
12651 | install_element(VIEW_NODE, | |
12652 | &show_ip_bgp_l2vpn_evpn_all_route_prefix_cmd); | |
57d187bc | 12653 | |
d62a17ae | 12654 | /* BGP dampening clear commands */ |
12655 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_cmd); | |
12656 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_prefix_cmd); | |
718e3744 | 12657 | |
d62a17ae | 12658 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_address_cmd); |
12659 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_address_mask_cmd); | |
12660 | ||
12661 | /* prefix count */ | |
12662 | install_element(ENABLE_NODE, | |
12663 | &show_ip_bgp_instance_neighbor_prefix_counts_cmd); | |
d6902373 | 12664 | #ifdef KEEP_OLD_VPN_COMMANDS |
d62a17ae | 12665 | install_element(ENABLE_NODE, |
12666 | &show_ip_bgp_vpn_neighbor_prefix_counts_cmd); | |
d6902373 | 12667 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
ff7924f6 | 12668 | |
d62a17ae | 12669 | /* New config IPv6 BGP commands. */ |
12670 | install_element(BGP_IPV6_NODE, &bgp_table_map_cmd); | |
12671 | install_element(BGP_IPV6_NODE, &ipv6_bgp_network_cmd); | |
d62a17ae | 12672 | install_element(BGP_IPV6_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12673 | |
12674 | install_element(BGP_IPV6_NODE, &ipv6_aggregate_address_cmd); | |
12675 | install_element(BGP_IPV6_NODE, &no_ipv6_aggregate_address_cmd); | |
12676 | ||
12677 | install_element(BGP_IPV6M_NODE, &ipv6_bgp_network_cmd); | |
d62a17ae | 12678 | |
d62a17ae | 12679 | install_element(BGP_NODE, &bgp_distance_cmd); |
12680 | install_element(BGP_NODE, &no_bgp_distance_cmd); | |
12681 | install_element(BGP_NODE, &bgp_distance_source_cmd); | |
12682 | install_element(BGP_NODE, &no_bgp_distance_source_cmd); | |
12683 | install_element(BGP_NODE, &bgp_distance_source_access_list_cmd); | |
12684 | install_element(BGP_NODE, &no_bgp_distance_source_access_list_cmd); | |
12685 | install_element(BGP_IPV4_NODE, &bgp_distance_cmd); | |
12686 | install_element(BGP_IPV4_NODE, &no_bgp_distance_cmd); | |
12687 | install_element(BGP_IPV4_NODE, &bgp_distance_source_cmd); | |
12688 | install_element(BGP_IPV4_NODE, &no_bgp_distance_source_cmd); | |
12689 | install_element(BGP_IPV4_NODE, &bgp_distance_source_access_list_cmd); | |
12690 | install_element(BGP_IPV4_NODE, &no_bgp_distance_source_access_list_cmd); | |
12691 | install_element(BGP_IPV4M_NODE, &bgp_distance_cmd); | |
12692 | install_element(BGP_IPV4M_NODE, &no_bgp_distance_cmd); | |
12693 | install_element(BGP_IPV4M_NODE, &bgp_distance_source_cmd); | |
12694 | install_element(BGP_IPV4M_NODE, &no_bgp_distance_source_cmd); | |
12695 | install_element(BGP_IPV4M_NODE, &bgp_distance_source_access_list_cmd); | |
12696 | install_element(BGP_IPV4M_NODE, | |
12697 | &no_bgp_distance_source_access_list_cmd); | |
12698 | install_element(BGP_IPV6_NODE, &bgp_distance_cmd); | |
12699 | install_element(BGP_IPV6_NODE, &no_bgp_distance_cmd); | |
12700 | install_element(BGP_IPV6_NODE, &ipv6_bgp_distance_source_cmd); | |
12701 | install_element(BGP_IPV6_NODE, &no_ipv6_bgp_distance_source_cmd); | |
12702 | install_element(BGP_IPV6_NODE, | |
12703 | &ipv6_bgp_distance_source_access_list_cmd); | |
12704 | install_element(BGP_IPV6_NODE, | |
12705 | &no_ipv6_bgp_distance_source_access_list_cmd); | |
12706 | install_element(BGP_IPV6M_NODE, &bgp_distance_cmd); | |
12707 | install_element(BGP_IPV6M_NODE, &no_bgp_distance_cmd); | |
12708 | install_element(BGP_IPV6M_NODE, &ipv6_bgp_distance_source_cmd); | |
12709 | install_element(BGP_IPV6M_NODE, &no_ipv6_bgp_distance_source_cmd); | |
12710 | install_element(BGP_IPV6M_NODE, | |
12711 | &ipv6_bgp_distance_source_access_list_cmd); | |
12712 | install_element(BGP_IPV6M_NODE, | |
12713 | &no_ipv6_bgp_distance_source_access_list_cmd); | |
12714 | ||
12715 | install_element(BGP_NODE, &bgp_damp_set_cmd); | |
12716 | install_element(BGP_NODE, &bgp_damp_unset_cmd); | |
12717 | install_element(BGP_IPV4_NODE, &bgp_damp_set_cmd); | |
12718 | install_element(BGP_IPV4_NODE, &bgp_damp_unset_cmd); | |
12719 | ||
12720 | /* IPv4 Multicast Mode */ | |
12721 | install_element(BGP_IPV4M_NODE, &bgp_damp_set_cmd); | |
12722 | install_element(BGP_IPV4M_NODE, &bgp_damp_unset_cmd); | |
12723 | ||
12724 | /* Large Communities */ | |
12725 | install_element(VIEW_NODE, &show_ip_bgp_large_community_list_cmd); | |
12726 | install_element(VIEW_NODE, &show_ip_bgp_large_community_cmd); | |
dba3c1d3 PG |
12727 | |
12728 | /* show bgp ipv4 flowspec detailed */ | |
12729 | install_element(VIEW_NODE, &show_ip_bgp_flowspec_routes_detailed_cmd); | |
12730 | ||
825d9834 | 12731 | install_element(VIEW_NODE, &show_bgp_peerhash_cmd); |
d62a17ae | 12732 | } |
12733 | ||
12734 | void bgp_route_finish(void) | |
12735 | { | |
12736 | afi_t afi; | |
12737 | safi_t safi; | |
12738 | ||
05c7a1cc QY |
12739 | FOREACH_AFI_SAFI (afi, safi) { |
12740 | bgp_table_unlock(bgp_distance_table[afi][safi]); | |
12741 | bgp_distance_table[afi][safi] = NULL; | |
12742 | } | |
228da428 | 12743 | } |