]>
Commit | Line | Data |
---|---|---|
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 | { |
05864da7 | 252 | bgp_attr_unintern(&path->attr); |
fb018d25 | 253 | |
9b6d8fcf DS |
254 | bgp_unlink_nexthop(path); |
255 | bgp_path_info_extra_free(&path->extra); | |
256 | bgp_path_info_mpath_free(&path->mpath); | |
62918377 RW |
257 | if (path->net) |
258 | bgp_addpath_free_info_data(&path->tx_addpath, | |
259 | &path->net->tx_addpath); | |
718e3744 | 260 | |
9b6d8fcf | 261 | peer_unlock(path->peer); /* bgp_path_info peer reference */ |
200df115 | 262 | |
9b6d8fcf | 263 | XFREE(MTYPE_BGP_ROUTE, path); |
718e3744 | 264 | } |
265 | ||
9b6d8fcf | 266 | struct bgp_path_info *bgp_path_info_lock(struct bgp_path_info *path) |
200df115 | 267 | { |
9b6d8fcf DS |
268 | path->lock++; |
269 | return path; | |
200df115 | 270 | } |
271 | ||
9b6d8fcf | 272 | struct bgp_path_info *bgp_path_info_unlock(struct bgp_path_info *path) |
200df115 | 273 | { |
9b6d8fcf DS |
274 | assert(path && path->lock > 0); |
275 | path->lock--; | |
d62a17ae | 276 | |
9b6d8fcf | 277 | if (path->lock == 0) { |
200df115 | 278 | #if 0 |
279 | zlog_debug ("%s: unlocked and freeing", __func__); | |
280 | zlog_backtrace (LOG_DEBUG); | |
281 | #endif | |
9b6d8fcf | 282 | bgp_path_info_free(path); |
d62a17ae | 283 | return NULL; |
284 | } | |
200df115 | 285 | |
286 | #if 0 | |
9b6d8fcf | 287 | if (path->lock == 1) |
200df115 | 288 | { |
289 | zlog_debug ("%s: unlocked to 1", __func__); | |
290 | zlog_backtrace (LOG_DEBUG); | |
291 | } | |
292 | #endif | |
d62a17ae | 293 | |
9b6d8fcf | 294 | return path; |
200df115 | 295 | } |
296 | ||
40381db7 | 297 | void bgp_path_info_add(struct bgp_node *rn, struct bgp_path_info *pi) |
718e3744 | 298 | { |
4b7e6066 | 299 | struct bgp_path_info *top; |
718e3744 | 300 | |
6f94b685 | 301 | top = bgp_node_get_bgp_path_info(rn); |
d62a17ae | 302 | |
6f94b685 | 303 | pi->next = top; |
40381db7 | 304 | pi->prev = NULL; |
d62a17ae | 305 | if (top) |
40381db7 | 306 | top->prev = pi; |
6f94b685 | 307 | bgp_node_set_bgp_path_info(rn, pi); |
d62a17ae | 308 | |
40381db7 | 309 | bgp_path_info_lock(pi); |
d62a17ae | 310 | bgp_lock_node(rn); |
40381db7 | 311 | peer_lock(pi->peer); /* bgp_path_info peer reference */ |
718e3744 | 312 | } |
313 | ||
d62a17ae | 314 | /* Do the actual removal of info from RIB, for use by bgp_process |
b40d939b | 315 | completion callback *only* */ |
40381db7 | 316 | void bgp_path_info_reap(struct bgp_node *rn, struct bgp_path_info *pi) |
718e3744 | 317 | { |
40381db7 DS |
318 | if (pi->next) |
319 | pi->next->prev = pi->prev; | |
320 | if (pi->prev) | |
321 | pi->prev->next = pi->next; | |
d62a17ae | 322 | else |
6f94b685 | 323 | bgp_node_set_bgp_path_info(rn, pi->next); |
d62a17ae | 324 | |
40381db7 DS |
325 | bgp_path_info_mpath_dequeue(pi); |
326 | bgp_path_info_unlock(pi); | |
d62a17ae | 327 | bgp_unlock_node(rn); |
718e3744 | 328 | } |
329 | ||
40381db7 | 330 | void bgp_path_info_delete(struct bgp_node *rn, struct bgp_path_info *pi) |
b40d939b | 331 | { |
40381db7 | 332 | bgp_path_info_set_flag(rn, pi, BGP_PATH_REMOVED); |
d62a17ae | 333 | /* set of previous already took care of pcount */ |
40381db7 | 334 | UNSET_FLAG(pi->flags, BGP_PATH_VALID); |
b40d939b | 335 | } |
336 | ||
18ee8310 | 337 | /* undo the effects of a previous call to bgp_path_info_delete; typically |
8d45210e AS |
338 | called when a route is deleted and then quickly re-added before the |
339 | deletion has been processed */ | |
40381db7 | 340 | void bgp_path_info_restore(struct bgp_node *rn, struct bgp_path_info *pi) |
8d45210e | 341 | { |
40381db7 | 342 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_REMOVED); |
d62a17ae | 343 | /* unset of previous already took care of pcount */ |
40381db7 | 344 | SET_FLAG(pi->flags, BGP_PATH_VALID); |
8d45210e AS |
345 | } |
346 | ||
d62a17ae | 347 | /* Adjust pcount as required */ |
40381db7 | 348 | static void bgp_pcount_adjust(struct bgp_node *rn, struct bgp_path_info *pi) |
1a392d46 | 349 | { |
d62a17ae | 350 | struct bgp_table *table; |
67174041 | 351 | |
d62a17ae | 352 | assert(rn && bgp_node_table(rn)); |
40381db7 | 353 | assert(pi && pi->peer && pi->peer->bgp); |
6f58544d | 354 | |
d62a17ae | 355 | table = bgp_node_table(rn); |
67174041 | 356 | |
40381db7 | 357 | if (pi->peer == pi->peer->bgp->peer_self) |
d62a17ae | 358 | return; |
359 | ||
40381db7 DS |
360 | if (!BGP_PATH_COUNTABLE(pi) |
361 | && CHECK_FLAG(pi->flags, BGP_PATH_COUNTED)) { | |
d62a17ae | 362 | |
40381db7 | 363 | UNSET_FLAG(pi->flags, BGP_PATH_COUNTED); |
d62a17ae | 364 | |
365 | /* slight hack, but more robust against errors. */ | |
40381db7 DS |
366 | if (pi->peer->pcount[table->afi][table->safi]) |
367 | pi->peer->pcount[table->afi][table->safi]--; | |
d8d084d9 | 368 | else |
450971aa | 369 | flog_err(EC_LIB_DEVELOPMENT, |
d8d084d9 | 370 | "Asked to decrement 0 prefix count for peer"); |
40381db7 DS |
371 | } else if (BGP_PATH_COUNTABLE(pi) |
372 | && !CHECK_FLAG(pi->flags, BGP_PATH_COUNTED)) { | |
373 | SET_FLAG(pi->flags, BGP_PATH_COUNTED); | |
374 | pi->peer->pcount[table->afi][table->safi]++; | |
d62a17ae | 375 | } |
1a392d46 PJ |
376 | } |
377 | ||
40381db7 DS |
378 | static int bgp_label_index_differs(struct bgp_path_info *pi1, |
379 | struct bgp_path_info *pi2) | |
28d58fd7 | 380 | { |
40381db7 | 381 | return (!(pi1->attr->label_index == pi2->attr->label_index)); |
28d58fd7 | 382 | } |
1a392d46 | 383 | |
18ee8310 | 384 | /* Set/unset bgp_path_info flags, adjusting any other state as needed. |
1a392d46 PJ |
385 | * This is here primarily to keep prefix-count in check. |
386 | */ | |
40381db7 | 387 | void bgp_path_info_set_flag(struct bgp_node *rn, struct bgp_path_info *pi, |
18ee8310 | 388 | uint32_t flag) |
1a392d46 | 389 | { |
40381db7 | 390 | SET_FLAG(pi->flags, flag); |
d62a17ae | 391 | |
392 | /* early bath if we know it's not a flag that changes countability state | |
393 | */ | |
394 | if (!CHECK_FLAG(flag, | |
1defdda8 | 395 | BGP_PATH_VALID | BGP_PATH_HISTORY | BGP_PATH_REMOVED)) |
d62a17ae | 396 | return; |
397 | ||
40381db7 | 398 | bgp_pcount_adjust(rn, pi); |
1a392d46 PJ |
399 | } |
400 | ||
40381db7 | 401 | void bgp_path_info_unset_flag(struct bgp_node *rn, struct bgp_path_info *pi, |
18ee8310 | 402 | uint32_t flag) |
1a392d46 | 403 | { |
40381db7 | 404 | UNSET_FLAG(pi->flags, flag); |
d62a17ae | 405 | |
406 | /* early bath if we know it's not a flag that changes countability state | |
407 | */ | |
408 | if (!CHECK_FLAG(flag, | |
1defdda8 | 409 | BGP_PATH_VALID | BGP_PATH_HISTORY | BGP_PATH_REMOVED)) |
d62a17ae | 410 | return; |
411 | ||
40381db7 | 412 | bgp_pcount_adjust(rn, pi); |
1a392d46 PJ |
413 | } |
414 | ||
718e3744 | 415 | /* Get MED value. If MED value is missing and "bgp bestpath |
416 | missing-as-worst" is specified, treat it as the worst value. */ | |
d7c0a89a | 417 | static uint32_t bgp_med_value(struct attr *attr, struct bgp *bgp) |
d62a17ae | 418 | { |
419 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
420 | return attr->med; | |
421 | else { | |
422 | if (bgp_flag_check(bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
423 | return BGP_MED_MAX; | |
424 | else | |
425 | return 0; | |
426 | } | |
718e3744 | 427 | } |
428 | ||
40381db7 | 429 | void bgp_path_info_path_with_addpath_rx_str(struct bgp_path_info *pi, char *buf) |
2ec1e66f | 430 | { |
40381db7 DS |
431 | if (pi->addpath_rx_id) |
432 | sprintf(buf, "path %s (addpath rxid %d)", pi->peer->host, | |
433 | pi->addpath_rx_id); | |
d62a17ae | 434 | else |
40381db7 | 435 | sprintf(buf, "path %s", pi->peer->host); |
d62a17ae | 436 | } |
9fbdd100 | 437 | |
d62a17ae | 438 | /* Compare two bgp route entity. If 'new' is preferable over 'exist' return 1. |
439 | */ | |
18ee8310 DS |
440 | static int bgp_path_info_cmp(struct bgp *bgp, struct bgp_path_info *new, |
441 | struct bgp_path_info *exist, int *paths_eq, | |
442 | struct bgp_maxpaths_cfg *mpath_cfg, int debug, | |
fdf81fa0 DS |
443 | char *pfx_buf, afi_t afi, safi_t safi, |
444 | enum bgp_path_selection_reason *reason) | |
d62a17ae | 445 | { |
446 | struct attr *newattr, *existattr; | |
447 | bgp_peer_sort_t new_sort; | |
448 | bgp_peer_sort_t exist_sort; | |
d7c0a89a QY |
449 | uint32_t new_pref; |
450 | uint32_t exist_pref; | |
451 | uint32_t new_med; | |
452 | uint32_t exist_med; | |
453 | uint32_t new_weight; | |
454 | uint32_t exist_weight; | |
d62a17ae | 455 | uint32_t newm, existm; |
456 | struct in_addr new_id; | |
457 | struct in_addr exist_id; | |
458 | int new_cluster; | |
459 | int exist_cluster; | |
460 | int internal_as_route; | |
461 | int confed_as_route; | |
04d14c8b | 462 | int ret = 0; |
d62a17ae | 463 | char new_buf[PATH_ADDPATH_STR_BUFFER]; |
464 | char exist_buf[PATH_ADDPATH_STR_BUFFER]; | |
d7c0a89a QY |
465 | uint32_t new_mm_seq; |
466 | uint32_t exist_mm_seq; | |
6d8c603a | 467 | int nh_cmp; |
d62a17ae | 468 | |
469 | *paths_eq = 0; | |
470 | ||
471 | /* 0. Null check. */ | |
472 | if (new == NULL) { | |
fdf81fa0 | 473 | *reason = bgp_path_selection_none; |
d62a17ae | 474 | if (debug) |
475 | zlog_debug("%s: new is NULL", pfx_buf); | |
476 | return 0; | |
477 | } | |
2ec1e66f | 478 | |
d62a17ae | 479 | if (debug) |
18ee8310 | 480 | bgp_path_info_path_with_addpath_rx_str(new, new_buf); |
718e3744 | 481 | |
d62a17ae | 482 | if (exist == NULL) { |
fdf81fa0 | 483 | *reason = bgp_path_selection_first; |
d62a17ae | 484 | if (debug) |
485 | zlog_debug("%s: %s is the initial bestpath", pfx_buf, | |
486 | new_buf); | |
487 | return 1; | |
488 | } | |
2ec1e66f | 489 | |
d62a17ae | 490 | if (debug) { |
18ee8310 | 491 | bgp_path_info_path_with_addpath_rx_str(exist, exist_buf); |
d62a17ae | 492 | zlog_debug("%s: Comparing %s flags 0x%x with %s flags 0x%x", |
493 | pfx_buf, new_buf, new->flags, exist_buf, | |
494 | exist->flags); | |
495 | } | |
8ff56318 | 496 | |
d62a17ae | 497 | newattr = new->attr; |
498 | existattr = exist->attr; | |
499 | ||
500 | /* For EVPN routes, we cannot just go by local vs remote, we have to | |
501 | * look at the MAC mobility sequence number, if present. | |
502 | */ | |
503 | if (safi == SAFI_EVPN) { | |
504 | /* This is an error condition described in RFC 7432 Section | |
505 | * 15.2. The RFC | |
506 | * states that in this scenario "the PE MUST alert the operator" | |
507 | * but it | |
508 | * does not state what other action to take. In order to provide | |
509 | * some | |
510 | * consistency in this scenario we are going to prefer the path | |
511 | * with the | |
512 | * sticky flag. | |
513 | */ | |
514 | if (newattr->sticky != existattr->sticky) { | |
515 | if (!debug) { | |
516 | prefix2str(&new->net->p, pfx_buf, | |
517 | sizeof(*pfx_buf) | |
518 | * PREFIX2STR_BUFFER); | |
18ee8310 DS |
519 | bgp_path_info_path_with_addpath_rx_str(new, |
520 | new_buf); | |
521 | bgp_path_info_path_with_addpath_rx_str( | |
522 | exist, exist_buf); | |
d62a17ae | 523 | } |
524 | ||
525 | if (newattr->sticky && !existattr->sticky) { | |
fdf81fa0 | 526 | *reason = bgp_path_selection_evpn_sticky_mac; |
deff24ca DS |
527 | if (debug) |
528 | zlog_debug( | |
529 | "%s: %s wins over %s due to sticky MAC flag", | |
530 | pfx_buf, new_buf, exist_buf); | |
d62a17ae | 531 | return 1; |
532 | } | |
533 | ||
534 | if (!newattr->sticky && existattr->sticky) { | |
fdf81fa0 | 535 | *reason = bgp_path_selection_evpn_sticky_mac; |
deff24ca DS |
536 | if (debug) |
537 | zlog_debug( | |
538 | "%s: %s loses to %s due to sticky MAC flag", | |
539 | pfx_buf, new_buf, exist_buf); | |
d62a17ae | 540 | return 0; |
541 | } | |
542 | } | |
128ea8ab | 543 | |
d62a17ae | 544 | new_mm_seq = mac_mobility_seqnum(newattr); |
545 | exist_mm_seq = mac_mobility_seqnum(existattr); | |
8ff56318 | 546 | |
d62a17ae | 547 | if (new_mm_seq > exist_mm_seq) { |
fdf81fa0 | 548 | *reason = bgp_path_selection_evpn_seq; |
d62a17ae | 549 | if (debug) |
550 | zlog_debug( | |
551 | "%s: %s wins over %s due to MM seq %u > %u", | |
552 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
553 | exist_mm_seq); | |
554 | return 1; | |
555 | } | |
8ff56318 | 556 | |
d62a17ae | 557 | if (new_mm_seq < exist_mm_seq) { |
fdf81fa0 | 558 | *reason = bgp_path_selection_evpn_seq; |
d62a17ae | 559 | if (debug) |
560 | zlog_debug( | |
561 | "%s: %s loses to %s due to MM seq %u < %u", | |
562 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
563 | exist_mm_seq); | |
564 | return 0; | |
565 | } | |
6d8c603a AK |
566 | |
567 | /* | |
568 | * if sequence numbers are the same path with the lowest IP | |
569 | * wins | |
570 | */ | |
571 | nh_cmp = bgp_path_info_nexthop_cmp(new, exist); | |
572 | if (nh_cmp < 0) { | |
fdf81fa0 | 573 | *reason = bgp_path_selection_evpn_lower_ip; |
6d8c603a AK |
574 | if (debug) |
575 | zlog_debug( | |
576 | "%s: %s wins over %s due to same MM seq %u and lower IP %s", | |
577 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
578 | inet_ntoa(new->attr->nexthop)); | |
579 | return 1; | |
580 | } | |
581 | if (nh_cmp > 0) { | |
fdf81fa0 | 582 | *reason = bgp_path_selection_evpn_lower_ip; |
6d8c603a AK |
583 | if (debug) |
584 | zlog_debug( | |
585 | "%s: %s loses to %s due to same MM seq %u and higher IP %s", | |
586 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
587 | inet_ntoa(new->attr->nexthop)); | |
588 | return 0; | |
589 | } | |
d62a17ae | 590 | } |
9fbdd100 | 591 | |
d62a17ae | 592 | /* 1. Weight check. */ |
d62a17ae | 593 | new_weight = newattr->weight; |
594 | exist_weight = existattr->weight; | |
8ff56318 | 595 | |
d62a17ae | 596 | if (new_weight > exist_weight) { |
fdf81fa0 | 597 | *reason = bgp_path_selection_weight; |
d62a17ae | 598 | if (debug) |
599 | zlog_debug("%s: %s wins over %s due to weight %d > %d", | |
600 | pfx_buf, new_buf, exist_buf, new_weight, | |
601 | exist_weight); | |
602 | return 1; | |
603 | } | |
718e3744 | 604 | |
d62a17ae | 605 | if (new_weight < exist_weight) { |
fdf81fa0 | 606 | *reason = bgp_path_selection_weight; |
d62a17ae | 607 | if (debug) |
608 | zlog_debug("%s: %s loses to %s due to weight %d < %d", | |
609 | pfx_buf, new_buf, exist_buf, new_weight, | |
610 | exist_weight); | |
611 | return 0; | |
612 | } | |
9fbdd100 | 613 | |
d62a17ae | 614 | /* 2. Local preference check. */ |
615 | new_pref = exist_pref = bgp->default_local_pref; | |
616 | ||
617 | if (newattr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) | |
618 | new_pref = newattr->local_pref; | |
619 | if (existattr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) | |
620 | exist_pref = existattr->local_pref; | |
621 | ||
622 | if (new_pref > exist_pref) { | |
fdf81fa0 | 623 | *reason = bgp_path_selection_local_pref; |
d62a17ae | 624 | if (debug) |
625 | zlog_debug( | |
626 | "%s: %s wins over %s due to localpref %d > %d", | |
627 | pfx_buf, new_buf, exist_buf, new_pref, | |
628 | exist_pref); | |
629 | return 1; | |
630 | } | |
718e3744 | 631 | |
d62a17ae | 632 | if (new_pref < exist_pref) { |
fdf81fa0 | 633 | *reason = bgp_path_selection_local_pref; |
d62a17ae | 634 | if (debug) |
635 | zlog_debug( | |
636 | "%s: %s loses to %s due to localpref %d < %d", | |
637 | pfx_buf, new_buf, exist_buf, new_pref, | |
638 | exist_pref); | |
639 | return 0; | |
640 | } | |
9fbdd100 | 641 | |
d62a17ae | 642 | /* 3. Local route check. We prefer: |
643 | * - BGP_ROUTE_STATIC | |
644 | * - BGP_ROUTE_AGGREGATE | |
645 | * - BGP_ROUTE_REDISTRIBUTE | |
646 | */ | |
90f4f482 | 647 | if (!(new->sub_type == BGP_ROUTE_NORMAL || |
648 | new->sub_type == BGP_ROUTE_IMPORTED)) { | |
fdf81fa0 | 649 | *reason = bgp_path_selection_local_route; |
d62a17ae | 650 | if (debug) |
651 | zlog_debug( | |
652 | "%s: %s wins over %s due to preferred BGP_ROUTE type", | |
653 | pfx_buf, new_buf, exist_buf); | |
654 | return 1; | |
655 | } | |
718e3744 | 656 | |
90f4f482 | 657 | if (!(exist->sub_type == BGP_ROUTE_NORMAL || |
88493076 | 658 | exist->sub_type == BGP_ROUTE_IMPORTED)) { |
fdf81fa0 | 659 | *reason = bgp_path_selection_local_route; |
d62a17ae | 660 | if (debug) |
661 | zlog_debug( | |
662 | "%s: %s loses to %s due to preferred BGP_ROUTE type", | |
663 | pfx_buf, new_buf, exist_buf); | |
664 | return 0; | |
6811845b | 665 | } |
718e3744 | 666 | |
d62a17ae | 667 | /* 4. AS path length check. */ |
668 | if (!bgp_flag_check(bgp, BGP_FLAG_ASPATH_IGNORE)) { | |
669 | int exist_hops = aspath_count_hops(existattr->aspath); | |
670 | int exist_confeds = aspath_count_confeds(existattr->aspath); | |
671 | ||
672 | if (bgp_flag_check(bgp, BGP_FLAG_ASPATH_CONFED)) { | |
673 | int aspath_hops; | |
674 | ||
675 | aspath_hops = aspath_count_hops(newattr->aspath); | |
676 | aspath_hops += aspath_count_confeds(newattr->aspath); | |
677 | ||
678 | if (aspath_hops < (exist_hops + exist_confeds)) { | |
fdf81fa0 | 679 | *reason = bgp_path_selection_confed_as_path; |
d62a17ae | 680 | if (debug) |
681 | zlog_debug( | |
682 | "%s: %s wins over %s due to aspath (with confeds) hopcount %d < %d", | |
683 | pfx_buf, new_buf, exist_buf, | |
684 | aspath_hops, | |
685 | (exist_hops + exist_confeds)); | |
686 | return 1; | |
687 | } | |
688 | ||
689 | if (aspath_hops > (exist_hops + exist_confeds)) { | |
fdf81fa0 | 690 | *reason = bgp_path_selection_confed_as_path; |
d62a17ae | 691 | if (debug) |
692 | zlog_debug( | |
693 | "%s: %s loses to %s due to aspath (with confeds) hopcount %d > %d", | |
694 | pfx_buf, new_buf, exist_buf, | |
695 | aspath_hops, | |
696 | (exist_hops + exist_confeds)); | |
697 | return 0; | |
698 | } | |
699 | } else { | |
700 | int newhops = aspath_count_hops(newattr->aspath); | |
701 | ||
702 | if (newhops < exist_hops) { | |
fdf81fa0 | 703 | *reason = bgp_path_selection_as_path; |
d62a17ae | 704 | if (debug) |
705 | zlog_debug( | |
706 | "%s: %s wins over %s due to aspath hopcount %d < %d", | |
707 | pfx_buf, new_buf, exist_buf, | |
708 | newhops, exist_hops); | |
709 | return 1; | |
710 | } | |
711 | ||
712 | if (newhops > exist_hops) { | |
fdf81fa0 | 713 | *reason = bgp_path_selection_as_path; |
d62a17ae | 714 | if (debug) |
715 | zlog_debug( | |
716 | "%s: %s loses to %s due to aspath hopcount %d > %d", | |
717 | pfx_buf, new_buf, exist_buf, | |
718 | newhops, exist_hops); | |
719 | return 0; | |
720 | } | |
721 | } | |
722 | } | |
9fbdd100 | 723 | |
d62a17ae | 724 | /* 5. Origin check. */ |
725 | if (newattr->origin < existattr->origin) { | |
fdf81fa0 | 726 | *reason = bgp_path_selection_origin; |
d62a17ae | 727 | if (debug) |
728 | zlog_debug("%s: %s wins over %s due to ORIGIN %s < %s", | |
729 | pfx_buf, new_buf, exist_buf, | |
730 | bgp_origin_long_str[newattr->origin], | |
731 | bgp_origin_long_str[existattr->origin]); | |
732 | return 1; | |
733 | } | |
718e3744 | 734 | |
d62a17ae | 735 | if (newattr->origin > existattr->origin) { |
fdf81fa0 | 736 | *reason = bgp_path_selection_origin; |
d62a17ae | 737 | if (debug) |
738 | zlog_debug("%s: %s loses to %s due to ORIGIN %s > %s", | |
739 | pfx_buf, new_buf, exist_buf, | |
740 | bgp_origin_long_str[newattr->origin], | |
741 | bgp_origin_long_str[existattr->origin]); | |
742 | return 0; | |
743 | } | |
718e3744 | 744 | |
d62a17ae | 745 | /* 6. MED check. */ |
746 | internal_as_route = (aspath_count_hops(newattr->aspath) == 0 | |
747 | && aspath_count_hops(existattr->aspath) == 0); | |
748 | confed_as_route = (aspath_count_confeds(newattr->aspath) > 0 | |
749 | && aspath_count_confeds(existattr->aspath) > 0 | |
750 | && aspath_count_hops(newattr->aspath) == 0 | |
751 | && aspath_count_hops(existattr->aspath) == 0); | |
752 | ||
753 | if (bgp_flag_check(bgp, BGP_FLAG_ALWAYS_COMPARE_MED) | |
754 | || (bgp_flag_check(bgp, BGP_FLAG_MED_CONFED) && confed_as_route) | |
755 | || aspath_cmp_left(newattr->aspath, existattr->aspath) | |
756 | || aspath_cmp_left_confed(newattr->aspath, existattr->aspath) | |
757 | || internal_as_route) { | |
758 | new_med = bgp_med_value(new->attr, bgp); | |
759 | exist_med = bgp_med_value(exist->attr, bgp); | |
760 | ||
761 | if (new_med < exist_med) { | |
fdf81fa0 | 762 | *reason = bgp_path_selection_med; |
d62a17ae | 763 | if (debug) |
764 | zlog_debug( | |
765 | "%s: %s wins over %s due to MED %d < %d", | |
766 | pfx_buf, new_buf, exist_buf, new_med, | |
767 | exist_med); | |
768 | return 1; | |
769 | } | |
8ff56318 | 770 | |
d62a17ae | 771 | if (new_med > exist_med) { |
fdf81fa0 | 772 | *reason = bgp_path_selection_med; |
d62a17ae | 773 | if (debug) |
774 | zlog_debug( | |
775 | "%s: %s loses to %s due to MED %d > %d", | |
776 | pfx_buf, new_buf, exist_buf, new_med, | |
777 | exist_med); | |
778 | return 0; | |
779 | } | |
780 | } | |
9fbdd100 | 781 | |
d62a17ae | 782 | /* 7. Peer type check. */ |
783 | new_sort = new->peer->sort; | |
784 | exist_sort = exist->peer->sort; | |
785 | ||
786 | if (new_sort == BGP_PEER_EBGP | |
787 | && (exist_sort == BGP_PEER_IBGP || exist_sort == BGP_PEER_CONFED)) { | |
fdf81fa0 | 788 | *reason = bgp_path_selection_peer; |
d62a17ae | 789 | if (debug) |
790 | zlog_debug( | |
791 | "%s: %s wins over %s due to eBGP peer > iBGP peer", | |
792 | pfx_buf, new_buf, exist_buf); | |
793 | return 1; | |
794 | } | |
718e3744 | 795 | |
d62a17ae | 796 | if (exist_sort == BGP_PEER_EBGP |
797 | && (new_sort == BGP_PEER_IBGP || new_sort == BGP_PEER_CONFED)) { | |
fdf81fa0 | 798 | *reason = bgp_path_selection_peer; |
d62a17ae | 799 | if (debug) |
800 | zlog_debug( | |
801 | "%s: %s loses to %s due to iBGP peer < eBGP peer", | |
802 | pfx_buf, new_buf, exist_buf); | |
803 | return 0; | |
804 | } | |
8ff56318 | 805 | |
d62a17ae | 806 | /* 8. IGP metric check. */ |
807 | newm = existm = 0; | |
8ff56318 | 808 | |
d62a17ae | 809 | if (new->extra) |
810 | newm = new->extra->igpmetric; | |
811 | if (exist->extra) | |
812 | existm = exist->extra->igpmetric; | |
9fbdd100 | 813 | |
d62a17ae | 814 | if (newm < existm) { |
815 | if (debug) | |
816 | zlog_debug( | |
817 | "%s: %s wins over %s due to IGP metric %d < %d", | |
818 | pfx_buf, new_buf, exist_buf, newm, existm); | |
819 | ret = 1; | |
820 | } | |
718e3744 | 821 | |
d62a17ae | 822 | if (newm > existm) { |
823 | if (debug) | |
824 | zlog_debug( | |
825 | "%s: %s loses to %s due to IGP metric %d > %d", | |
826 | pfx_buf, new_buf, exist_buf, newm, existm); | |
827 | ret = 0; | |
5e242b0d | 828 | } |
5e242b0d | 829 | |
d62a17ae | 830 | /* 9. Same IGP metric. Compare the cluster list length as |
831 | representative of IGP hops metric. Rewrite the metric value | |
832 | pair (newm, existm) with the cluster list length. Prefer the | |
833 | path with smaller cluster list length. */ | |
834 | if (newm == existm) { | |
835 | if (peer_sort(new->peer) == BGP_PEER_IBGP | |
836 | && peer_sort(exist->peer) == BGP_PEER_IBGP | |
837 | && (mpath_cfg == NULL | |
838 | || CHECK_FLAG( | |
839 | mpath_cfg->ibgp_flags, | |
840 | BGP_FLAG_IBGP_MULTIPATH_SAME_CLUSTERLEN))) { | |
841 | newm = BGP_CLUSTER_LIST_LENGTH(new->attr); | |
842 | existm = BGP_CLUSTER_LIST_LENGTH(exist->attr); | |
843 | ||
844 | if (newm < existm) { | |
845 | if (debug) | |
846 | zlog_debug( | |
847 | "%s: %s wins over %s due to CLUSTER_LIST length %d < %d", | |
848 | pfx_buf, new_buf, exist_buf, | |
849 | newm, existm); | |
850 | ret = 1; | |
851 | } | |
852 | ||
853 | if (newm > existm) { | |
854 | if (debug) | |
855 | zlog_debug( | |
856 | "%s: %s loses to %s due to CLUSTER_LIST length %d > %d", | |
857 | pfx_buf, new_buf, exist_buf, | |
858 | newm, existm); | |
859 | ret = 0; | |
860 | } | |
861 | } | |
862 | } | |
31a4638f | 863 | |
d62a17ae | 864 | /* 10. confed-external vs. confed-internal */ |
865 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) { | |
866 | if (new_sort == BGP_PEER_CONFED | |
867 | && exist_sort == BGP_PEER_IBGP) { | |
fdf81fa0 | 868 | *reason = bgp_path_selection_confed; |
d62a17ae | 869 | if (debug) |
870 | zlog_debug( | |
871 | "%s: %s wins over %s due to confed-external peer > confed-internal peer", | |
872 | pfx_buf, new_buf, exist_buf); | |
873 | return 1; | |
874 | } | |
718e3744 | 875 | |
d62a17ae | 876 | if (exist_sort == BGP_PEER_CONFED |
877 | && new_sort == BGP_PEER_IBGP) { | |
fdf81fa0 | 878 | *reason = bgp_path_selection_confed; |
d62a17ae | 879 | if (debug) |
880 | zlog_debug( | |
881 | "%s: %s loses to %s due to confed-internal peer < confed-external peer", | |
882 | pfx_buf, new_buf, exist_buf); | |
883 | return 0; | |
884 | } | |
885 | } | |
718e3744 | 886 | |
d62a17ae | 887 | /* 11. Maximum path check. */ |
888 | if (newm == existm) { | |
889 | /* If one path has a label but the other does not, do not treat | |
890 | * them as equals for multipath | |
891 | */ | |
a4d82a8a | 892 | if ((new->extra &&bgp_is_valid_label(&new->extra->label[0])) |
d62a17ae | 893 | != (exist->extra |
b57ba6d2 | 894 | && bgp_is_valid_label(&exist->extra->label[0]))) { |
d62a17ae | 895 | if (debug) |
896 | zlog_debug( | |
897 | "%s: %s and %s cannot be multipath, one has a label while the other does not", | |
898 | pfx_buf, new_buf, exist_buf); | |
899 | } else if (bgp_flag_check(bgp, | |
900 | BGP_FLAG_ASPATH_MULTIPATH_RELAX)) { | |
901 | ||
902 | /* | |
903 | * For the two paths, all comparison steps till IGP | |
904 | * metric | |
905 | * have succeeded - including AS_PATH hop count. Since | |
906 | * 'bgp | |
907 | * bestpath as-path multipath-relax' knob is on, we | |
908 | * don't need | |
909 | * an exact match of AS_PATH. Thus, mark the paths are | |
910 | * equal. | |
911 | * That will trigger both these paths to get into the | |
912 | * multipath | |
913 | * array. | |
914 | */ | |
915 | *paths_eq = 1; | |
916 | ||
917 | if (debug) | |
918 | zlog_debug( | |
919 | "%s: %s and %s are equal via multipath-relax", | |
920 | pfx_buf, new_buf, exist_buf); | |
921 | } else if (new->peer->sort == BGP_PEER_IBGP) { | |
922 | if (aspath_cmp(new->attr->aspath, | |
923 | exist->attr->aspath)) { | |
924 | *paths_eq = 1; | |
925 | ||
926 | if (debug) | |
927 | zlog_debug( | |
928 | "%s: %s and %s are equal via matching aspaths", | |
929 | pfx_buf, new_buf, exist_buf); | |
930 | } | |
931 | } else if (new->peer->as == exist->peer->as) { | |
932 | *paths_eq = 1; | |
933 | ||
934 | if (debug) | |
935 | zlog_debug( | |
936 | "%s: %s and %s are equal via same remote-as", | |
937 | pfx_buf, new_buf, exist_buf); | |
938 | } | |
939 | } else { | |
940 | /* | |
941 | * TODO: If unequal cost ibgp multipath is enabled we can | |
942 | * mark the paths as equal here instead of returning | |
943 | */ | |
944 | if (debug) { | |
945 | if (ret == 1) | |
946 | zlog_debug( | |
947 | "%s: %s wins over %s after IGP metric comparison", | |
948 | pfx_buf, new_buf, exist_buf); | |
949 | else | |
950 | zlog_debug( | |
951 | "%s: %s loses to %s after IGP metric comparison", | |
952 | pfx_buf, new_buf, exist_buf); | |
953 | } | |
fdf81fa0 | 954 | *reason = bgp_path_selection_igp_metric; |
d62a17ae | 955 | return ret; |
956 | } | |
718e3744 | 957 | |
d62a17ae | 958 | /* 12. If both paths are external, prefer the path that was received |
959 | first (the oldest one). This step minimizes route-flap, since a | |
960 | newer path won't displace an older one, even if it was the | |
961 | preferred route based on the additional decision criteria below. */ | |
962 | if (!bgp_flag_check(bgp, BGP_FLAG_COMPARE_ROUTER_ID) | |
963 | && new_sort == BGP_PEER_EBGP && exist_sort == BGP_PEER_EBGP) { | |
1defdda8 | 964 | if (CHECK_FLAG(new->flags, BGP_PATH_SELECTED)) { |
fdf81fa0 | 965 | *reason = bgp_path_selection_older; |
d62a17ae | 966 | if (debug) |
967 | zlog_debug( | |
968 | "%s: %s wins over %s due to oldest external", | |
969 | pfx_buf, new_buf, exist_buf); | |
970 | return 1; | |
971 | } | |
9fbdd100 | 972 | |
1defdda8 | 973 | if (CHECK_FLAG(exist->flags, BGP_PATH_SELECTED)) { |
fdf81fa0 | 974 | *reason = bgp_path_selection_older; |
d62a17ae | 975 | if (debug) |
976 | zlog_debug( | |
977 | "%s: %s loses to %s due to oldest external", | |
978 | pfx_buf, new_buf, exist_buf); | |
979 | return 0; | |
980 | } | |
981 | } | |
718e3744 | 982 | |
d62a17ae | 983 | /* 13. Router-ID comparision. */ |
984 | /* If one of the paths is "stale", the corresponding peer router-id will | |
985 | * be 0 and would always win over the other path. If originator id is | |
986 | * used for the comparision, it will decide which path is better. | |
987 | */ | |
988 | if (newattr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) | |
989 | new_id.s_addr = newattr->originator_id.s_addr; | |
990 | else | |
991 | new_id.s_addr = new->peer->remote_id.s_addr; | |
992 | if (existattr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) | |
993 | exist_id.s_addr = existattr->originator_id.s_addr; | |
994 | else | |
995 | exist_id.s_addr = exist->peer->remote_id.s_addr; | |
996 | ||
997 | if (ntohl(new_id.s_addr) < ntohl(exist_id.s_addr)) { | |
fdf81fa0 | 998 | *reason = bgp_path_selection_router_id; |
d62a17ae | 999 | if (debug) |
1000 | zlog_debug( | |
1001 | "%s: %s wins over %s due to Router-ID comparison", | |
1002 | pfx_buf, new_buf, exist_buf); | |
1003 | return 1; | |
1004 | } | |
718e3744 | 1005 | |
d62a17ae | 1006 | if (ntohl(new_id.s_addr) > ntohl(exist_id.s_addr)) { |
fdf81fa0 | 1007 | *reason = bgp_path_selection_router_id; |
d62a17ae | 1008 | if (debug) |
1009 | zlog_debug( | |
1010 | "%s: %s loses to %s due to Router-ID comparison", | |
1011 | pfx_buf, new_buf, exist_buf); | |
1012 | return 0; | |
1013 | } | |
9fbdd100 | 1014 | |
d62a17ae | 1015 | /* 14. Cluster length comparision. */ |
1016 | new_cluster = BGP_CLUSTER_LIST_LENGTH(new->attr); | |
1017 | exist_cluster = BGP_CLUSTER_LIST_LENGTH(exist->attr); | |
1018 | ||
1019 | if (new_cluster < exist_cluster) { | |
fdf81fa0 | 1020 | *reason = bgp_path_selection_cluster_length; |
d62a17ae | 1021 | if (debug) |
1022 | zlog_debug( | |
1023 | "%s: %s wins over %s due to CLUSTER_LIST length %d < %d", | |
1024 | pfx_buf, new_buf, exist_buf, new_cluster, | |
1025 | exist_cluster); | |
1026 | return 1; | |
1027 | } | |
718e3744 | 1028 | |
d62a17ae | 1029 | if (new_cluster > exist_cluster) { |
fdf81fa0 | 1030 | *reason = bgp_path_selection_cluster_length; |
d62a17ae | 1031 | if (debug) |
1032 | zlog_debug( | |
1033 | "%s: %s loses to %s due to CLUSTER_LIST length %d > %d", | |
1034 | pfx_buf, new_buf, exist_buf, new_cluster, | |
1035 | exist_cluster); | |
1036 | return 0; | |
1037 | } | |
9fbdd100 | 1038 | |
d62a17ae | 1039 | /* 15. Neighbor address comparision. */ |
1040 | /* Do this only if neither path is "stale" as stale paths do not have | |
1041 | * valid peer information (as the connection may or may not be up). | |
1042 | */ | |
1defdda8 | 1043 | if (CHECK_FLAG(exist->flags, BGP_PATH_STALE)) { |
fdf81fa0 | 1044 | *reason = bgp_path_selection_stale; |
d62a17ae | 1045 | if (debug) |
1046 | zlog_debug( | |
1047 | "%s: %s wins over %s due to latter path being STALE", | |
1048 | pfx_buf, new_buf, exist_buf); | |
1049 | return 1; | |
1050 | } | |
0de5153c | 1051 | |
1defdda8 | 1052 | if (CHECK_FLAG(new->flags, BGP_PATH_STALE)) { |
fdf81fa0 | 1053 | *reason = bgp_path_selection_stale; |
d62a17ae | 1054 | if (debug) |
1055 | zlog_debug( | |
1056 | "%s: %s loses to %s due to former path being STALE", | |
1057 | pfx_buf, new_buf, exist_buf); | |
1058 | return 0; | |
1059 | } | |
718e3744 | 1060 | |
d62a17ae | 1061 | /* locally configured routes to advertise do not have su_remote */ |
fdf81fa0 DS |
1062 | if (new->peer->su_remote == NULL) { |
1063 | *reason = bgp_path_selection_local_configured; | |
d62a17ae | 1064 | return 0; |
fdf81fa0 DS |
1065 | } |
1066 | if (exist->peer->su_remote == NULL) { | |
1067 | *reason = bgp_path_selection_local_configured; | |
d62a17ae | 1068 | return 1; |
fdf81fa0 | 1069 | } |
9fbdd100 | 1070 | |
d62a17ae | 1071 | ret = sockunion_cmp(new->peer->su_remote, exist->peer->su_remote); |
1072 | ||
1073 | if (ret == 1) { | |
fdf81fa0 | 1074 | *reason = bgp_path_selection_neighbor_ip; |
d62a17ae | 1075 | if (debug) |
1076 | zlog_debug( | |
1077 | "%s: %s loses to %s due to Neighor IP comparison", | |
1078 | pfx_buf, new_buf, exist_buf); | |
1079 | return 0; | |
1080 | } | |
1081 | ||
1082 | if (ret == -1) { | |
fdf81fa0 | 1083 | *reason = bgp_path_selection_neighbor_ip; |
d62a17ae | 1084 | if (debug) |
1085 | zlog_debug( | |
1086 | "%s: %s wins over %s due to Neighor IP comparison", | |
1087 | pfx_buf, new_buf, exist_buf); | |
1088 | return 1; | |
1089 | } | |
9fbdd100 | 1090 | |
fdf81fa0 | 1091 | *reason = bgp_path_selection_default; |
d62a17ae | 1092 | if (debug) |
1093 | zlog_debug("%s: %s wins over %s due to nothing left to compare", | |
1094 | pfx_buf, new_buf, exist_buf); | |
718e3744 | 1095 | |
d62a17ae | 1096 | return 1; |
718e3744 | 1097 | } |
1098 | ||
65efcfce LB |
1099 | /* Compare two bgp route entity. Return -1 if new is preferred, 1 if exist |
1100 | * is preferred, or 0 if they are the same (usually will only occur if | |
d62a17ae | 1101 | * multipath is enabled |
65efcfce | 1102 | * This version is compatible with */ |
18ee8310 DS |
1103 | int bgp_path_info_cmp_compatible(struct bgp *bgp, struct bgp_path_info *new, |
1104 | struct bgp_path_info *exist, char *pfx_buf, | |
fdf81fa0 DS |
1105 | afi_t afi, safi_t safi, |
1106 | enum bgp_path_selection_reason *reason) | |
d62a17ae | 1107 | { |
1108 | int paths_eq; | |
1109 | int ret; | |
18ee8310 | 1110 | ret = bgp_path_info_cmp(bgp, new, exist, &paths_eq, NULL, 0, pfx_buf, |
fdf81fa0 | 1111 | afi, safi, reason); |
d62a17ae | 1112 | |
1113 | if (paths_eq) | |
1114 | ret = 0; | |
1115 | else { | |
1116 | if (ret == 1) | |
1117 | ret = -1; | |
1118 | else | |
1119 | ret = 1; | |
1120 | } | |
1121 | return ret; | |
65efcfce LB |
1122 | } |
1123 | ||
d62a17ae | 1124 | static enum filter_type bgp_input_filter(struct peer *peer, struct prefix *p, |
1125 | struct attr *attr, afi_t afi, | |
1126 | safi_t safi) | |
718e3744 | 1127 | { |
d62a17ae | 1128 | struct bgp_filter *filter; |
718e3744 | 1129 | |
d62a17ae | 1130 | filter = &peer->filter[afi][safi]; |
718e3744 | 1131 | |
d62a17ae | 1132 | #define FILTER_EXIST_WARN(F, f, filter) \ |
1133 | if (BGP_DEBUG(update, UPDATE_IN) && !(F##_IN(filter))) \ | |
d8d084d9 DS |
1134 | zlog_debug("%s: Could not find configured input %s-list %s!", \ |
1135 | peer->host, #f, F##_IN_NAME(filter)); | |
d62a17ae | 1136 | |
1137 | if (DISTRIBUTE_IN_NAME(filter)) { | |
1138 | FILTER_EXIST_WARN(DISTRIBUTE, distribute, filter); | |
1139 | ||
1140 | if (access_list_apply(DISTRIBUTE_IN(filter), p) == FILTER_DENY) | |
1141 | return FILTER_DENY; | |
1142 | } | |
1143 | ||
1144 | if (PREFIX_LIST_IN_NAME(filter)) { | |
1145 | FILTER_EXIST_WARN(PREFIX_LIST, prefix, filter); | |
1146 | ||
1147 | if (prefix_list_apply(PREFIX_LIST_IN(filter), p) == PREFIX_DENY) | |
1148 | return FILTER_DENY; | |
1149 | } | |
1150 | ||
1151 | if (FILTER_LIST_IN_NAME(filter)) { | |
1152 | FILTER_EXIST_WARN(FILTER_LIST, as, filter); | |
1153 | ||
1154 | if (as_list_apply(FILTER_LIST_IN(filter), attr->aspath) | |
1155 | == AS_FILTER_DENY) | |
1156 | return FILTER_DENY; | |
1157 | } | |
1158 | ||
1159 | return FILTER_PERMIT; | |
650f76c2 | 1160 | #undef FILTER_EXIST_WARN |
718e3744 | 1161 | } |
1162 | ||
d62a17ae | 1163 | static enum filter_type bgp_output_filter(struct peer *peer, struct prefix *p, |
1164 | struct attr *attr, afi_t afi, | |
1165 | safi_t safi) | |
718e3744 | 1166 | { |
d62a17ae | 1167 | struct bgp_filter *filter; |
1168 | ||
1169 | filter = &peer->filter[afi][safi]; | |
1170 | ||
1171 | #define FILTER_EXIST_WARN(F, f, filter) \ | |
1172 | if (BGP_DEBUG(update, UPDATE_OUT) && !(F##_OUT(filter))) \ | |
d8d084d9 DS |
1173 | zlog_debug("%s: Could not find configured output %s-list %s!", \ |
1174 | peer->host, #f, F##_OUT_NAME(filter)); | |
718e3744 | 1175 | |
d62a17ae | 1176 | if (DISTRIBUTE_OUT_NAME(filter)) { |
1177 | FILTER_EXIST_WARN(DISTRIBUTE, distribute, filter); | |
718e3744 | 1178 | |
d62a17ae | 1179 | if (access_list_apply(DISTRIBUTE_OUT(filter), p) == FILTER_DENY) |
1180 | return FILTER_DENY; | |
1181 | } | |
1182 | ||
1183 | if (PREFIX_LIST_OUT_NAME(filter)) { | |
1184 | FILTER_EXIST_WARN(PREFIX_LIST, prefix, filter); | |
650f76c2 | 1185 | |
d62a17ae | 1186 | if (prefix_list_apply(PREFIX_LIST_OUT(filter), p) |
1187 | == PREFIX_DENY) | |
1188 | return FILTER_DENY; | |
1189 | } | |
718e3744 | 1190 | |
d62a17ae | 1191 | if (FILTER_LIST_OUT_NAME(filter)) { |
1192 | FILTER_EXIST_WARN(FILTER_LIST, as, filter); | |
718e3744 | 1193 | |
d62a17ae | 1194 | if (as_list_apply(FILTER_LIST_OUT(filter), attr->aspath) |
1195 | == AS_FILTER_DENY) | |
1196 | return FILTER_DENY; | |
1197 | } | |
718e3744 | 1198 | |
d62a17ae | 1199 | return FILTER_PERMIT; |
650f76c2 | 1200 | #undef FILTER_EXIST_WARN |
718e3744 | 1201 | } |
1202 | ||
1203 | /* If community attribute includes no_export then return 1. */ | |
d62a17ae | 1204 | static int bgp_community_filter(struct peer *peer, struct attr *attr) |
1205 | { | |
1206 | if (attr->community) { | |
1207 | /* NO_ADVERTISE check. */ | |
1208 | if (community_include(attr->community, COMMUNITY_NO_ADVERTISE)) | |
1209 | return 1; | |
1210 | ||
1211 | /* NO_EXPORT check. */ | |
1212 | if (peer->sort == BGP_PEER_EBGP | |
1213 | && community_include(attr->community, COMMUNITY_NO_EXPORT)) | |
1214 | return 1; | |
1215 | ||
1216 | /* NO_EXPORT_SUBCONFED check. */ | |
1217 | if (peer->sort == BGP_PEER_EBGP | |
1218 | || peer->sort == BGP_PEER_CONFED) | |
1219 | if (community_include(attr->community, | |
1220 | COMMUNITY_NO_EXPORT_SUBCONFED)) | |
1221 | return 1; | |
1222 | } | |
1223 | return 0; | |
718e3744 | 1224 | } |
1225 | ||
1226 | /* Route reflection loop check. */ | |
d62a17ae | 1227 | static int bgp_cluster_filter(struct peer *peer, struct attr *attr) |
718e3744 | 1228 | { |
d62a17ae | 1229 | struct in_addr cluster_id; |
718e3744 | 1230 | |
d62a17ae | 1231 | if (attr->cluster) { |
1232 | if (peer->bgp->config & BGP_CONFIG_CLUSTER_ID) | |
1233 | cluster_id = peer->bgp->cluster_id; | |
1234 | else | |
1235 | cluster_id = peer->bgp->router_id; | |
1236 | ||
1237 | if (cluster_loop_check(attr->cluster, cluster_id)) | |
1238 | return 1; | |
1239 | } | |
1240 | return 0; | |
718e3744 | 1241 | } |
6b0655a2 | 1242 | |
d62a17ae | 1243 | static int bgp_input_modifier(struct peer *peer, struct prefix *p, |
1244 | struct attr *attr, afi_t afi, safi_t safi, | |
82b692c0 LK |
1245 | const char *rmap_name, mpls_label_t *label, |
1246 | uint32_t num_labels) | |
718e3744 | 1247 | { |
d62a17ae | 1248 | struct bgp_filter *filter; |
82b692c0 LK |
1249 | struct bgp_path_info rmap_path = { 0 }; |
1250 | struct bgp_path_info_extra extra = { 0 }; | |
d62a17ae | 1251 | route_map_result_t ret; |
1252 | struct route_map *rmap = NULL; | |
718e3744 | 1253 | |
d62a17ae | 1254 | filter = &peer->filter[afi][safi]; |
718e3744 | 1255 | |
d62a17ae | 1256 | /* Apply default weight value. */ |
1257 | if (peer->weight[afi][safi]) | |
1258 | attr->weight = peer->weight[afi][safi]; | |
718e3744 | 1259 | |
d62a17ae | 1260 | if (rmap_name) { |
1261 | rmap = route_map_lookup_by_name(rmap_name); | |
98a4a44e | 1262 | |
d62a17ae | 1263 | if (rmap == NULL) |
1264 | return RMAP_DENY; | |
1265 | } else { | |
1266 | if (ROUTE_MAP_IN_NAME(filter)) { | |
1267 | rmap = ROUTE_MAP_IN(filter); | |
98a4a44e | 1268 | |
d62a17ae | 1269 | if (rmap == NULL) |
1270 | return RMAP_DENY; | |
1271 | } | |
1272 | } | |
0b16f239 | 1273 | |
d62a17ae | 1274 | /* Route map apply. */ |
1275 | if (rmap) { | |
40381db7 | 1276 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
d62a17ae | 1277 | /* Duplicate current value to new strucutre for modification. */ |
40381db7 DS |
1278 | rmap_path.peer = peer; |
1279 | rmap_path.attr = attr; | |
82b692c0 LK |
1280 | rmap_path.extra = &extra; |
1281 | extra.num_labels = num_labels; | |
1282 | if (label && num_labels && num_labels <= BGP_MAX_LABELS) | |
1283 | memcpy(extra.label, label, | |
1284 | num_labels * sizeof(mpls_label_t)); | |
718e3744 | 1285 | |
d62a17ae | 1286 | SET_FLAG(peer->rmap_type, PEER_RMAP_TYPE_IN); |
ac41b2a2 | 1287 | |
d62a17ae | 1288 | /* Apply BGP route map to the attribute. */ |
40381db7 | 1289 | ret = route_map_apply(rmap, p, RMAP_BGP, &rmap_path); |
0b16f239 | 1290 | |
d62a17ae | 1291 | peer->rmap_type = 0; |
0b16f239 | 1292 | |
1f2263be | 1293 | if (ret == RMAP_DENYMATCH) |
d62a17ae | 1294 | return RMAP_DENY; |
0b16f239 | 1295 | } |
d62a17ae | 1296 | return RMAP_PERMIT; |
0b16f239 DS |
1297 | } |
1298 | ||
d62a17ae | 1299 | static int bgp_output_modifier(struct peer *peer, struct prefix *p, |
1300 | struct attr *attr, afi_t afi, safi_t safi, | |
1301 | const char *rmap_name) | |
0b16f239 | 1302 | { |
40381db7 | 1303 | struct bgp_path_info rmap_path; |
d62a17ae | 1304 | route_map_result_t ret; |
1305 | struct route_map *rmap = NULL; | |
d7c0a89a | 1306 | uint8_t rmap_type; |
0b16f239 | 1307 | |
b787157a DS |
1308 | /* |
1309 | * So if we get to this point and have no rmap_name | |
1310 | * we want to just show the output as it currently | |
1311 | * exists. | |
1312 | */ | |
1313 | if (!rmap_name) | |
1314 | return RMAP_PERMIT; | |
0b16f239 | 1315 | |
d62a17ae | 1316 | /* Apply default weight value. */ |
1317 | if (peer->weight[afi][safi]) | |
1318 | attr->weight = peer->weight[afi][safi]; | |
0b16f239 | 1319 | |
b787157a | 1320 | rmap = route_map_lookup_by_name(rmap_name); |
98a4a44e | 1321 | |
b787157a DS |
1322 | /* |
1323 | * If we have a route map name and we do not find | |
1324 | * the routemap that means we have an implicit | |
1325 | * deny. | |
1326 | */ | |
1327 | if (rmap == NULL) | |
1328 | return RMAP_DENY; | |
0b16f239 | 1329 | |
40381db7 | 1330 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
d62a17ae | 1331 | /* Route map apply. */ |
b787157a | 1332 | /* Duplicate current value to new strucutre for modification. */ |
40381db7 DS |
1333 | rmap_path.peer = peer; |
1334 | rmap_path.attr = attr; | |
0b16f239 | 1335 | |
0f672529 | 1336 | rmap_type = peer->rmap_type; |
b787157a | 1337 | SET_FLAG(peer->rmap_type, PEER_RMAP_TYPE_OUT); |
0b16f239 | 1338 | |
b787157a | 1339 | /* Apply BGP route map to the attribute. */ |
40381db7 | 1340 | ret = route_map_apply(rmap, p, RMAP_BGP, &rmap_path); |
ac41b2a2 | 1341 | |
0f672529 | 1342 | peer->rmap_type = rmap_type; |
b787157a DS |
1343 | |
1344 | if (ret == RMAP_DENYMATCH) | |
1345 | /* | |
1346 | * caller has multiple error paths with bgp_attr_flush() | |
1347 | */ | |
1348 | return RMAP_DENY; | |
ac41b2a2 | 1349 | |
d62a17ae | 1350 | return RMAP_PERMIT; |
718e3744 | 1351 | } |
6b0655a2 | 1352 | |
5000f21c | 1353 | /* If this is an EBGP peer with remove-private-AS */ |
d62a17ae | 1354 | static void bgp_peer_remove_private_as(struct bgp *bgp, afi_t afi, safi_t safi, |
1355 | struct peer *peer, struct attr *attr) | |
1356 | { | |
1357 | if (peer->sort == BGP_PEER_EBGP | |
1358 | && (peer_af_flag_check(peer, afi, safi, | |
1359 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE) | |
1360 | || peer_af_flag_check(peer, afi, safi, | |
1361 | PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE) | |
1362 | || peer_af_flag_check(peer, afi, safi, | |
1363 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL) | |
1364 | || peer_af_flag_check(peer, afi, safi, | |
1365 | PEER_FLAG_REMOVE_PRIVATE_AS))) { | |
1366 | // Take action on the entire aspath | |
1367 | if (peer_af_flag_check(peer, afi, safi, | |
1368 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE) | |
1369 | || peer_af_flag_check(peer, afi, safi, | |
1370 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL)) { | |
1371 | if (peer_af_flag_check( | |
1372 | peer, afi, safi, | |
1373 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE)) | |
1374 | attr->aspath = aspath_replace_private_asns( | |
bf26b80e | 1375 | attr->aspath, bgp->as, peer->as); |
d62a17ae | 1376 | |
1377 | // The entire aspath consists of private ASNs so create | |
1378 | // an empty aspath | |
1379 | else if (aspath_private_as_check(attr->aspath)) | |
1380 | attr->aspath = aspath_empty_get(); | |
1381 | ||
1382 | // There are some public and some private ASNs, remove | |
1383 | // the private ASNs | |
1384 | else | |
1385 | attr->aspath = aspath_remove_private_asns( | |
bf26b80e | 1386 | attr->aspath, peer->as); |
d62a17ae | 1387 | } |
1388 | ||
1389 | // 'all' was not specified so the entire aspath must be private | |
1390 | // ASNs | |
1391 | // for us to do anything | |
1392 | else if (aspath_private_as_check(attr->aspath)) { | |
1393 | if (peer_af_flag_check( | |
1394 | peer, afi, safi, | |
1395 | PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE)) | |
1396 | attr->aspath = aspath_replace_private_asns( | |
bf26b80e | 1397 | attr->aspath, bgp->as, peer->as); |
d62a17ae | 1398 | else |
1399 | attr->aspath = aspath_empty_get(); | |
1400 | } | |
1401 | } | |
5000f21c DS |
1402 | } |
1403 | ||
c7122e14 | 1404 | /* If this is an EBGP peer with as-override */ |
d62a17ae | 1405 | static void bgp_peer_as_override(struct bgp *bgp, afi_t afi, safi_t safi, |
1406 | struct peer *peer, struct attr *attr) | |
1407 | { | |
1408 | if (peer->sort == BGP_PEER_EBGP | |
1409 | && peer_af_flag_check(peer, afi, safi, PEER_FLAG_AS_OVERRIDE)) { | |
1410 | if (aspath_single_asn_check(attr->aspath, peer->as)) | |
1411 | attr->aspath = aspath_replace_specific_asn( | |
1412 | attr->aspath, peer->as, bgp->as); | |
1413 | } | |
1414 | } | |
1415 | ||
7f323236 DW |
1416 | void bgp_attr_add_gshut_community(struct attr *attr) |
1417 | { | |
1418 | struct community *old; | |
1419 | struct community *new; | |
1420 | struct community *merge; | |
1421 | struct community *gshut; | |
1422 | ||
1423 | old = attr->community; | |
1424 | gshut = community_str2com("graceful-shutdown"); | |
1425 | ||
990f4f91 | 1426 | assert(gshut); |
1427 | ||
7f323236 DW |
1428 | if (old) { |
1429 | merge = community_merge(community_dup(old), gshut); | |
1430 | ||
a4d82a8a | 1431 | if (old->refcnt == 0) |
3c1f53de | 1432 | community_free(&old); |
7f323236 DW |
1433 | |
1434 | new = community_uniq_sort(merge); | |
3c1f53de | 1435 | community_free(&merge); |
7f323236 DW |
1436 | } else { |
1437 | new = community_dup(gshut); | |
1438 | } | |
1439 | ||
3c1f53de | 1440 | community_free(&gshut); |
7f323236 DW |
1441 | attr->community = new; |
1442 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_COMMUNITIES); | |
1443 | ||
1444 | /* When we add the graceful-shutdown community we must also | |
1445 | * lower the local-preference */ | |
1446 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
1447 | attr->local_pref = BGP_GSHUT_LOCAL_PREF; | |
1448 | } | |
1449 | ||
1450 | ||
d7c0a89a | 1451 | static void subgroup_announce_reset_nhop(uint8_t family, struct attr *attr) |
c7122e14 | 1452 | { |
960035b2 | 1453 | if (family == AF_INET) { |
d62a17ae | 1454 | attr->nexthop.s_addr = 0; |
960035b2 PZ |
1455 | attr->mp_nexthop_global_in.s_addr = 0; |
1456 | } | |
d62a17ae | 1457 | if (family == AF_INET6) |
1458 | memset(&attr->mp_nexthop_global, 0, IPV6_MAX_BYTELEN); | |
ace295a9 MK |
1459 | if (family == AF_EVPN) |
1460 | memset(&attr->mp_nexthop_global_in, 0, BGP_ATTR_NHLEN_IPV4); | |
c7122e14 DS |
1461 | } |
1462 | ||
40381db7 | 1463 | int subgroup_announce_check(struct bgp_node *rn, struct bgp_path_info *pi, |
d62a17ae | 1464 | struct update_subgroup *subgrp, struct prefix *p, |
1465 | struct attr *attr) | |
1466 | { | |
1467 | struct bgp_filter *filter; | |
1468 | struct peer *from; | |
1469 | struct peer *peer; | |
1470 | struct peer *onlypeer; | |
1471 | struct bgp *bgp; | |
40381db7 | 1472 | struct attr *piattr; |
d62a17ae | 1473 | char buf[PREFIX_STRLEN]; |
b68885f9 | 1474 | route_map_result_t ret; |
d62a17ae | 1475 | int transparent; |
1476 | int reflect; | |
1477 | afi_t afi; | |
1478 | safi_t safi; | |
1479 | int samepeer_safe = 0; /* for synthetic mplsvpns routes */ | |
1480 | ||
1481 | if (DISABLE_BGP_ANNOUNCE) | |
1482 | return 0; | |
1483 | ||
1484 | afi = SUBGRP_AFI(subgrp); | |
1485 | safi = SUBGRP_SAFI(subgrp); | |
1486 | peer = SUBGRP_PEER(subgrp); | |
1487 | onlypeer = NULL; | |
1488 | if (CHECK_FLAG(peer->flags, PEER_FLAG_LONESOUL)) | |
1489 | onlypeer = SUBGRP_PFIRST(subgrp)->peer; | |
1490 | ||
40381db7 | 1491 | from = pi->peer; |
d62a17ae | 1492 | filter = &peer->filter[afi][safi]; |
1493 | bgp = SUBGRP_INST(subgrp); | |
40381db7 DS |
1494 | piattr = bgp_path_info_mpath_count(pi) ? bgp_path_info_mpath_attr(pi) |
1495 | : pi->attr; | |
3f9c7369 | 1496 | |
65efcfce | 1497 | #if ENABLE_BGP_VNC |
d62a17ae | 1498 | if (((afi == AFI_IP) || (afi == AFI_IP6)) && (safi == SAFI_MPLS_VPN) |
40381db7 DS |
1499 | && ((pi->type == ZEBRA_ROUTE_BGP_DIRECT) |
1500 | || (pi->type == ZEBRA_ROUTE_BGP_DIRECT_EXT))) { | |
d62a17ae | 1501 | |
1502 | /* | |
1503 | * direct and direct_ext type routes originate internally even | |
1504 | * though they can have peer pointers that reference other | |
1505 | * systems | |
1506 | */ | |
1507 | prefix2str(p, buf, PREFIX_STRLEN); | |
1508 | zlog_debug("%s: pfx %s bgp_direct->vpn route peer safe", | |
1509 | __func__, buf); | |
1510 | samepeer_safe = 1; | |
1511 | } | |
65efcfce LB |
1512 | #endif |
1513 | ||
ddb5b488 PZ |
1514 | if (((afi == AFI_IP) || (afi == AFI_IP6)) |
1515 | && ((safi == SAFI_MPLS_VPN) || (safi == SAFI_UNICAST)) | |
40381db7 DS |
1516 | && (pi->type == ZEBRA_ROUTE_BGP) |
1517 | && (pi->sub_type == BGP_ROUTE_IMPORTED)) { | |
ddb5b488 PZ |
1518 | |
1519 | /* Applies to routes leaked vpn->vrf and vrf->vpn */ | |
1520 | ||
1521 | samepeer_safe = 1; | |
1522 | } | |
1523 | ||
d62a17ae | 1524 | /* With addpath we may be asked to TX all kinds of paths so make sure |
40381db7 DS |
1525 | * pi is valid */ |
1526 | if (!CHECK_FLAG(pi->flags, BGP_PATH_VALID) | |
1527 | || CHECK_FLAG(pi->flags, BGP_PATH_HISTORY) | |
1528 | || CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 1529 | return 0; |
1530 | } | |
adbac85e | 1531 | |
d62a17ae | 1532 | /* If this is not the bestpath then check to see if there is an enabled |
1533 | * addpath | |
1534 | * feature that requires us to advertise it */ | |
40381db7 | 1535 | if (!CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
dcc68b5e | 1536 | if (!bgp_addpath_tx_path(peer->addpath_type[afi][safi], pi)) { |
d62a17ae | 1537 | return 0; |
1538 | } | |
1539 | } | |
06370dac | 1540 | |
d62a17ae | 1541 | /* Aggregate-address suppress check. */ |
40381db7 | 1542 | if (pi->extra && pi->extra->suppress) |
d62a17ae | 1543 | if (!UNSUPPRESS_MAP_NAME(filter)) { |
1544 | return 0; | |
1545 | } | |
3f9c7369 | 1546 | |
13b7e7f0 DS |
1547 | /* |
1548 | * If we are doing VRF 2 VRF leaking via the import | |
1549 | * statement, we want to prevent the route going | |
1550 | * off box as that the RT and RD created are localy | |
1551 | * significant and globaly useless. | |
1552 | */ | |
40381db7 DS |
1553 | if (safi == SAFI_MPLS_VPN && pi->extra && pi->extra->num_labels |
1554 | && pi->extra->label[0] == BGP_PREVENT_VRF_2_VRF_LEAK) | |
13b7e7f0 DS |
1555 | return 0; |
1556 | ||
d62a17ae | 1557 | /* If it's labeled safi, make sure the route has a valid label. */ |
1558 | if (safi == SAFI_LABELED_UNICAST) { | |
40381db7 | 1559 | mpls_label_t label = bgp_adv_label(rn, pi, peer, afi, safi); |
d62a17ae | 1560 | if (!bgp_is_valid_label(&label)) { |
1561 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) | |
1562 | zlog_debug("u%" PRIu64 ":s%" PRIu64 | |
1563 | " %s/%d is filtered - no label (%p)", | |
1564 | subgrp->update_group->id, subgrp->id, | |
1565 | inet_ntop(p->family, &p->u.prefix, | |
1566 | buf, SU_ADDRSTRLEN), | |
1567 | p->prefixlen, &label); | |
1568 | return 0; | |
1569 | } | |
1570 | } | |
cd1964ff | 1571 | |
d62a17ae | 1572 | /* Do not send back route to sender. */ |
1573 | if (onlypeer && from == onlypeer) { | |
1574 | return 0; | |
1575 | } | |
3f9c7369 | 1576 | |
d62a17ae | 1577 | /* Do not send the default route in the BGP table if the neighbor is |
1578 | * configured for default-originate */ | |
1579 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
1580 | PEER_FLAG_DEFAULT_ORIGINATE)) { | |
1581 | if (p->family == AF_INET && p->u.prefix4.s_addr == INADDR_ANY) | |
1582 | return 0; | |
1583 | else if (p->family == AF_INET6 && p->prefixlen == 0) | |
1584 | return 0; | |
1585 | } | |
4125bb67 | 1586 | |
d62a17ae | 1587 | /* Transparency check. */ |
1588 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT) | |
1589 | && CHECK_FLAG(from->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT)) | |
1590 | transparent = 1; | |
1591 | else | |
1592 | transparent = 0; | |
1593 | ||
1594 | /* If community is not disabled check the no-export and local. */ | |
40381db7 | 1595 | if (!transparent && bgp_community_filter(peer, piattr)) { |
d62a17ae | 1596 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1597 | zlog_debug( | |
1598 | "subgrpannouncecheck: community filter check fail"); | |
1599 | return 0; | |
1600 | } | |
3f9c7369 | 1601 | |
d62a17ae | 1602 | /* If the attribute has originator-id and it is same as remote |
1603 | peer's id. */ | |
40381db7 DS |
1604 | if (onlypeer && piattr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID) |
1605 | && (IPV4_ADDR_SAME(&onlypeer->remote_id, &piattr->originator_id))) { | |
d62a17ae | 1606 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1607 | zlog_debug( | |
1608 | "%s [Update:SEND] %s originator-id is same as " | |
1609 | "remote router-id", | |
1610 | onlypeer->host, | |
1611 | prefix2str(p, buf, sizeof(buf))); | |
1612 | return 0; | |
1613 | } | |
3f9c7369 | 1614 | |
d62a17ae | 1615 | /* ORF prefix-list filter check */ |
1616 | if (CHECK_FLAG(peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_ADV) | |
1617 | && (CHECK_FLAG(peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_SM_RCV) | |
1618 | || CHECK_FLAG(peer->af_cap[afi][safi], | |
1619 | PEER_CAP_ORF_PREFIX_SM_OLD_RCV))) | |
1620 | if (peer->orf_plist[afi][safi]) { | |
1621 | if (prefix_list_apply(peer->orf_plist[afi][safi], p) | |
1622 | == PREFIX_DENY) { | |
1623 | if (bgp_debug_update(NULL, p, | |
1624 | subgrp->update_group, 0)) | |
1625 | zlog_debug( | |
1626 | "%s [Update:SEND] %s is filtered via ORF", | |
1627 | peer->host, | |
1628 | prefix2str(p, buf, | |
1629 | sizeof(buf))); | |
1630 | return 0; | |
1631 | } | |
1632 | } | |
1633 | ||
1634 | /* Output filter check. */ | |
40381db7 | 1635 | if (bgp_output_filter(peer, p, piattr, afi, safi) == FILTER_DENY) { |
d62a17ae | 1636 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1637 | zlog_debug("%s [Update:SEND] %s is filtered", | |
1638 | peer->host, prefix2str(p, buf, sizeof(buf))); | |
1639 | return 0; | |
1640 | } | |
3f9c7369 | 1641 | |
d62a17ae | 1642 | /* AS path loop check. */ |
2b31007c RZ |
1643 | if (onlypeer && onlypeer->as_path_loop_detection |
1644 | && aspath_loop_check(piattr->aspath, onlypeer->as)) { | |
d62a17ae | 1645 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1646 | zlog_debug( | |
1647 | "%s [Update:SEND] suppress announcement to peer AS %u " | |
1648 | "that is part of AS path.", | |
1649 | onlypeer->host, onlypeer->as); | |
1650 | return 0; | |
1651 | } | |
3f9c7369 | 1652 | |
d62a17ae | 1653 | /* If we're a CONFED we need to loop check the CONFED ID too */ |
1654 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) { | |
40381db7 | 1655 | if (aspath_loop_check(piattr->aspath, bgp->confed_id)) { |
d62a17ae | 1656 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1657 | zlog_debug( | |
1658 | "%s [Update:SEND] suppress announcement to peer AS %u" | |
1659 | " is AS path.", | |
1660 | peer->host, bgp->confed_id); | |
1661 | return 0; | |
1662 | } | |
3f9c7369 | 1663 | } |
3f9c7369 | 1664 | |
d62a17ae | 1665 | /* Route-Reflect check. */ |
1666 | if (from->sort == BGP_PEER_IBGP && peer->sort == BGP_PEER_IBGP) | |
1667 | reflect = 1; | |
1668 | else | |
1669 | reflect = 0; | |
1670 | ||
1671 | /* IBGP reflection check. */ | |
1672 | if (reflect && !samepeer_safe) { | |
1673 | /* A route from a Client peer. */ | |
1674 | if (CHECK_FLAG(from->af_flags[afi][safi], | |
1675 | PEER_FLAG_REFLECTOR_CLIENT)) { | |
1676 | /* Reflect to all the Non-Client peers and also to the | |
1677 | Client peers other than the originator. Originator | |
1678 | check | |
1679 | is already done. So there is noting to do. */ | |
1680 | /* no bgp client-to-client reflection check. */ | |
1681 | if (bgp_flag_check(bgp, BGP_FLAG_NO_CLIENT_TO_CLIENT)) | |
1682 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
1683 | PEER_FLAG_REFLECTOR_CLIENT)) | |
1684 | return 0; | |
1685 | } else { | |
1686 | /* A route from a Non-client peer. Reflect to all other | |
1687 | clients. */ | |
1688 | if (!CHECK_FLAG(peer->af_flags[afi][safi], | |
1689 | PEER_FLAG_REFLECTOR_CLIENT)) | |
1690 | return 0; | |
1691 | } | |
1692 | } | |
3f9c7369 | 1693 | |
d62a17ae | 1694 | /* For modify attribute, copy it to temporary structure. */ |
40381db7 | 1695 | bgp_attr_dup(attr, piattr); |
d62a17ae | 1696 | |
1697 | /* If local-preference is not set. */ | |
1698 | if ((peer->sort == BGP_PEER_IBGP || peer->sort == BGP_PEER_CONFED) | |
1699 | && (!(attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)))) { | |
1700 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
1701 | attr->local_pref = bgp->default_local_pref; | |
3f9c7369 | 1702 | } |
3f9c7369 | 1703 | |
d62a17ae | 1704 | /* If originator-id is not set and the route is to be reflected, |
1705 | set the originator id */ | |
1706 | if (reflect | |
1707 | && (!(attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)))) { | |
1708 | IPV4_ADDR_COPY(&(attr->originator_id), &(from->remote_id)); | |
1709 | SET_FLAG(attr->flag, BGP_ATTR_ORIGINATOR_ID); | |
1710 | } | |
3f9c7369 | 1711 | |
d62a17ae | 1712 | /* Remove MED if its an EBGP peer - will get overwritten by route-maps |
1713 | */ | |
1714 | if (peer->sort == BGP_PEER_EBGP | |
1715 | && attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) { | |
1716 | if (from != bgp->peer_self && !transparent | |
1717 | && !CHECK_FLAG(peer->af_flags[afi][safi], | |
1718 | PEER_FLAG_MED_UNCHANGED)) | |
1719 | attr->flag &= | |
1720 | ~(ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)); | |
1721 | } | |
3f9c7369 | 1722 | |
d62a17ae | 1723 | /* Since the nexthop attribute can vary per peer, it is not explicitly |
1724 | * set | |
1725 | * in announce check, only certain flags and length (or number of | |
1726 | * nexthops | |
1727 | * -- for IPv6/MP_REACH) are set here in order to guide the update | |
1728 | * formation | |
1729 | * code in setting the nexthop(s) on a per peer basis in | |
1730 | * reformat_peer(). | |
1731 | * Typically, the source nexthop in the attribute is preserved but in | |
1732 | * the | |
1733 | * scenarios where we know it will always be overwritten, we reset the | |
1734 | * nexthop to "0" in an attempt to achieve better Update packing. An | |
1735 | * example of this is when a prefix from each of 2 IBGP peers needs to | |
1736 | * be | |
1737 | * announced to an EBGP peer (and they have the same attributes barring | |
1738 | * their nexthop). | |
1739 | */ | |
1740 | if (reflect) | |
1741 | SET_FLAG(attr->rmap_change_flags, BATTR_REFLECTED); | |
1742 | ||
1743 | #define NEXTHOP_IS_V6 \ | |
1744 | ((safi != SAFI_ENCAP && safi != SAFI_MPLS_VPN \ | |
1745 | && (p->family == AF_INET6 || peer_cap_enhe(peer, afi, safi))) \ | |
1746 | || ((safi == SAFI_ENCAP || safi == SAFI_MPLS_VPN) \ | |
1747 | && attr->mp_nexthop_len >= IPV6_MAX_BYTELEN)) | |
1748 | ||
1749 | /* IPv6/MP starts with 1 nexthop. The link-local address is passed only | |
1750 | * if | |
1751 | * the peer (group) is configured to receive link-local nexthop | |
1752 | * unchanged | |
c728d027 DA |
1753 | * and it is available in the prefix OR we're not reflecting the route, |
1754 | * link-local nexthop address is valid and | |
d62a17ae | 1755 | * the peer (group) to whom we're going to announce is on a shared |
1756 | * network | |
1757 | * and this is either a self-originated route or the peer is EBGP. | |
c728d027 DA |
1758 | * By checking if nexthop LL address is valid we are sure that |
1759 | * we do not announce LL address as `::`. | |
d62a17ae | 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)) | |
c728d027 DA |
1766 | || (!reflect |
1767 | && IN6_IS_ADDR_LINKLOCAL(&peer->nexthop.v6_local) | |
1768 | && peer->shared_network | |
d62a17ae | 1769 | && (from == bgp->peer_self |
1770 | || peer->sort == BGP_PEER_EBGP))) { | |
1771 | attr->mp_nexthop_len = | |
1772 | BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL; | |
1773 | } | |
3f9c7369 | 1774 | |
d62a17ae | 1775 | /* Clear off link-local nexthop in source, whenever it is not |
1776 | * needed to | |
1777 | * ensure more prefixes share the same attribute for | |
1778 | * announcement. | |
1779 | */ | |
1780 | if (!(CHECK_FLAG(peer->af_flags[afi][safi], | |
1781 | PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED))) | |
1782 | memset(&attr->mp_nexthop_local, 0, IPV6_MAX_BYTELEN); | |
1783 | } | |
3f9c7369 | 1784 | |
d62a17ae | 1785 | bgp_peer_remove_private_as(bgp, afi, safi, peer, attr); |
1786 | bgp_peer_as_override(bgp, afi, safi, peer, attr); | |
1787 | ||
1788 | /* Route map & unsuppress-map apply. */ | |
40381db7 | 1789 | if (ROUTE_MAP_OUT_NAME(filter) || (pi->extra && pi->extra->suppress)) { |
b8694ef4 DS |
1790 | struct bgp_path_info rmap_path = {0}; |
1791 | struct bgp_path_info_extra dummy_rmap_path_extra = {0}; | |
1792 | struct attr dummy_attr = {0}; | |
d62a17ae | 1793 | |
40381db7 DS |
1794 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
1795 | rmap_path.peer = peer; | |
1796 | rmap_path.attr = attr; | |
d37ba549 | 1797 | |
40381db7 DS |
1798 | if (pi->extra) { |
1799 | memcpy(&dummy_rmap_path_extra, pi->extra, | |
4b7e6066 | 1800 | sizeof(struct bgp_path_info_extra)); |
40381db7 | 1801 | rmap_path.extra = &dummy_rmap_path_extra; |
16f7ce2b MK |
1802 | } |
1803 | ||
d62a17ae | 1804 | /* don't confuse inbound and outbound setting */ |
1805 | RESET_FLAG(attr->rmap_change_flags); | |
1806 | ||
1807 | /* | |
1808 | * The route reflector is not allowed to modify the attributes | |
1809 | * of the reflected IBGP routes unless explicitly allowed. | |
1810 | */ | |
1811 | if ((from->sort == BGP_PEER_IBGP && peer->sort == BGP_PEER_IBGP) | |
1812 | && !bgp_flag_check(bgp, | |
1813 | BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY)) { | |
1814 | bgp_attr_dup(&dummy_attr, attr); | |
40381db7 | 1815 | rmap_path.attr = &dummy_attr; |
d62a17ae | 1816 | } |
3f9c7369 | 1817 | |
d62a17ae | 1818 | SET_FLAG(peer->rmap_type, PEER_RMAP_TYPE_OUT); |
3f9c7369 | 1819 | |
40381db7 | 1820 | if (pi->extra && pi->extra->suppress) |
d62a17ae | 1821 | ret = route_map_apply(UNSUPPRESS_MAP(filter), p, |
40381db7 | 1822 | RMAP_BGP, &rmap_path); |
d62a17ae | 1823 | else |
1824 | ret = route_map_apply(ROUTE_MAP_OUT(filter), p, | |
40381db7 | 1825 | RMAP_BGP, &rmap_path); |
d62a17ae | 1826 | |
1827 | peer->rmap_type = 0; | |
1828 | ||
1829 | if (ret == RMAP_DENYMATCH) { | |
778048bf AD |
1830 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1831 | zlog_debug("%s [Update:SEND] %s is filtered by route-map", | |
1832 | peer->host, prefix2str(p, buf, sizeof(buf))); | |
1833 | ||
d62a17ae | 1834 | bgp_attr_flush(attr); |
1835 | return 0; | |
1836 | } | |
3f9c7369 | 1837 | } |
3f9c7369 | 1838 | |
9dac9fc8 DA |
1839 | /* RFC 8212 to prevent route leaks. |
1840 | * This specification intends to improve this situation by requiring the | |
1841 | * explicit configuration of both BGP Import and Export Policies for any | |
1842 | * External BGP (EBGP) session such as customers, peers, or | |
1843 | * confederation boundaries for all enabled address families. Through | |
1844 | * codification of the aforementioned requirement, operators will | |
1845 | * benefit from consistent behavior across different BGP | |
1846 | * implementations. | |
1847 | */ | |
1848 | if (peer->bgp->ebgp_requires_policy | |
1849 | == DEFAULT_EBGP_POLICY_ENABLED) | |
1850 | if (!bgp_outbound_policy_exists(peer, filter)) | |
1851 | return 0; | |
1852 | ||
7f323236 | 1853 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) { |
a4d82a8a PZ |
1854 | if (peer->sort == BGP_PEER_IBGP |
1855 | || peer->sort == BGP_PEER_CONFED) { | |
7f323236 DW |
1856 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); |
1857 | attr->local_pref = BGP_GSHUT_LOCAL_PREF; | |
1858 | } else { | |
1859 | bgp_attr_add_gshut_community(attr); | |
1860 | } | |
1861 | } | |
1862 | ||
d62a17ae | 1863 | /* After route-map has been applied, we check to see if the nexthop to |
1864 | * be carried in the attribute (that is used for the announcement) can | |
1865 | * be cleared off or not. We do this in all cases where we would be | |
1866 | * setting the nexthop to "ourselves". For IPv6, we only need to | |
1867 | * consider | |
1868 | * the global nexthop here; the link-local nexthop would have been | |
1869 | * cleared | |
1870 | * already, and if not, it is required by the update formation code. | |
1871 | * Also see earlier comments in this function. | |
1872 | */ | |
1873 | /* | |
1874 | * If route-map has performed some operation on the nexthop or the peer | |
1875 | * configuration says to pass it unchanged, we cannot reset the nexthop | |
1876 | * here, so only attempt to do it if these aren't true. Note that the | |
1877 | * route-map handler itself might have cleared the nexthop, if for | |
1878 | * example, | |
1879 | * it is configured as 'peer-address'. | |
1880 | */ | |
1881 | if (!bgp_rmap_nhop_changed(attr->rmap_change_flags, | |
40381db7 | 1882 | piattr->rmap_change_flags) |
d62a17ae | 1883 | && !transparent |
1884 | && !CHECK_FLAG(peer->af_flags[afi][safi], | |
1885 | PEER_FLAG_NEXTHOP_UNCHANGED)) { | |
1886 | /* We can reset the nexthop, if setting (or forcing) it to | |
1887 | * 'self' */ | |
1888 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
1889 | PEER_FLAG_NEXTHOP_SELF) | |
1890 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
1891 | PEER_FLAG_FORCE_NEXTHOP_SELF)) { | |
1892 | if (!reflect | |
1893 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
1894 | PEER_FLAG_FORCE_NEXTHOP_SELF)) | |
1895 | subgroup_announce_reset_nhop( | |
1896 | (peer_cap_enhe(peer, afi, safi) | |
1897 | ? AF_INET6 | |
1898 | : p->family), | |
1899 | attr); | |
1900 | } else if (peer->sort == BGP_PEER_EBGP) { | |
1901 | /* Can also reset the nexthop if announcing to EBGP, but | |
1902 | * only if | |
1903 | * no peer in the subgroup is on a shared subnet. | |
1904 | * Note: 3rd party nexthop currently implemented for | |
1905 | * IPv4 only. | |
1906 | */ | |
737af885 BS |
1907 | if ((p->family == AF_INET) && |
1908 | (!bgp_subgrp_multiaccess_check_v4( | |
1909 | piattr->nexthop, | |
1910 | subgrp))) | |
d62a17ae | 1911 | subgroup_announce_reset_nhop( |
1912 | (peer_cap_enhe(peer, afi, safi) | |
a4d82a8a PZ |
1913 | ? AF_INET6 |
1914 | : p->family), | |
737af885 BS |
1915 | attr); |
1916 | ||
1917 | if ((p->family == AF_INET6) && | |
1918 | (!bgp_subgrp_multiaccess_check_v6( | |
1919 | piattr->mp_nexthop_global, | |
1920 | subgrp))) | |
1921 | subgroup_announce_reset_nhop( | |
1922 | (peer_cap_enhe(peer, afi, safi) | |
1923 | ? AF_INET6 | |
1924 | : p->family), | |
1925 | attr); | |
1926 | ||
1927 | ||
1928 | ||
40381db7 | 1929 | } else if (CHECK_FLAG(pi->flags, BGP_PATH_ANNC_NH_SELF)) { |
960035b2 PZ |
1930 | /* |
1931 | * This flag is used for leaked vpn-vrf routes | |
1932 | */ | |
1933 | int family = p->family; | |
1934 | ||
1935 | if (peer_cap_enhe(peer, afi, safi)) | |
1936 | family = AF_INET6; | |
1937 | ||
1938 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) | |
1939 | zlog_debug( | |
1defdda8 | 1940 | "%s: BGP_PATH_ANNC_NH_SELF, family=%s", |
960035b2 PZ |
1941 | __func__, family2str(family)); |
1942 | subgroup_announce_reset_nhop(family, attr); | |
d62a17ae | 1943 | } |
63696f1d | 1944 | } |
960035b2 | 1945 | |
63696f1d | 1946 | /* If IPv6/MP and nexthop does not have any override and happens |
1947 | * to | |
1948 | * be a link-local address, reset it so that we don't pass along | |
1949 | * the | |
1950 | * source's link-local IPv6 address to recipients who may not be | |
1951 | * on | |
1952 | * the same interface. | |
1953 | */ | |
1954 | if (p->family == AF_INET6 || peer_cap_enhe(peer, afi, safi)) { | |
1955 | if (IN6_IS_ADDR_LINKLOCAL(&attr->mp_nexthop_global)) | |
1956 | subgroup_announce_reset_nhop(AF_INET6, attr); | |
d62a17ae | 1957 | } |
3f9c7369 | 1958 | |
d62a17ae | 1959 | return 1; |
3f9c7369 DS |
1960 | } |
1961 | ||
d62a17ae | 1962 | void bgp_best_selection(struct bgp *bgp, struct bgp_node *rn, |
1963 | struct bgp_maxpaths_cfg *mpath_cfg, | |
4b7e6066 DS |
1964 | struct bgp_path_info_pair *result, afi_t afi, |
1965 | safi_t safi) | |
1966 | { | |
1967 | struct bgp_path_info *new_select; | |
1968 | struct bgp_path_info *old_select; | |
40381db7 DS |
1969 | struct bgp_path_info *pi; |
1970 | struct bgp_path_info *pi1; | |
1971 | struct bgp_path_info *pi2; | |
1972 | struct bgp_path_info *nextpi = NULL; | |
d62a17ae | 1973 | int paths_eq, do_mpath, debug; |
1974 | struct list mp_list; | |
1975 | char pfx_buf[PREFIX2STR_BUFFER]; | |
1976 | char path_buf[PATH_ADDPATH_STR_BUFFER]; | |
1977 | ||
1978 | bgp_mp_list_init(&mp_list); | |
1979 | do_mpath = | |
1980 | (mpath_cfg->maxpaths_ebgp > 1 || mpath_cfg->maxpaths_ibgp > 1); | |
1981 | ||
1982 | debug = bgp_debug_bestpath(&rn->p); | |
1983 | ||
1984 | if (debug) | |
1985 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
1986 | ||
1987 | /* bgp deterministic-med */ | |
1988 | new_select = NULL; | |
1989 | if (bgp_flag_check(bgp, BGP_FLAG_DETERMINISTIC_MED)) { | |
1990 | ||
1defdda8 | 1991 | /* Clear BGP_PATH_DMED_SELECTED for all paths */ |
6f94b685 DS |
1992 | for (pi1 = bgp_node_get_bgp_path_info(rn); pi1; |
1993 | pi1 = pi1->next) | |
40381db7 | 1994 | bgp_path_info_unset_flag(rn, pi1, |
18ee8310 | 1995 | BGP_PATH_DMED_SELECTED); |
d62a17ae | 1996 | |
6f94b685 DS |
1997 | for (pi1 = bgp_node_get_bgp_path_info(rn); pi1; |
1998 | pi1 = pi1->next) { | |
40381db7 | 1999 | if (CHECK_FLAG(pi1->flags, BGP_PATH_DMED_CHECK)) |
d62a17ae | 2000 | continue; |
40381db7 | 2001 | if (BGP_PATH_HOLDDOWN(pi1)) |
d62a17ae | 2002 | continue; |
ea8b2282 | 2003 | if (pi1->peer != bgp->peer_self) |
40381db7 | 2004 | if (pi1->peer->status != Established) |
d62a17ae | 2005 | continue; |
2006 | ||
40381db7 DS |
2007 | new_select = pi1; |
2008 | if (pi1->next) { | |
2009 | for (pi2 = pi1->next; pi2; pi2 = pi2->next) { | |
2010 | if (CHECK_FLAG(pi2->flags, | |
1defdda8 | 2011 | BGP_PATH_DMED_CHECK)) |
d62a17ae | 2012 | continue; |
40381db7 | 2013 | if (BGP_PATH_HOLDDOWN(pi2)) |
d62a17ae | 2014 | continue; |
ea8b2282 | 2015 | if (pi2->peer != bgp->peer_self |
d62a17ae | 2016 | && !CHECK_FLAG( |
ea8b2282 DS |
2017 | pi2->peer->sflags, |
2018 | PEER_STATUS_NSF_WAIT)) | |
40381db7 | 2019 | if (pi2->peer->status |
d62a17ae | 2020 | != Established) |
2021 | continue; | |
2022 | ||
121e245d DS |
2023 | if (!aspath_cmp_left(pi1->attr->aspath, |
2024 | pi2->attr->aspath) | |
2025 | && !aspath_cmp_left_confed( | |
40381db7 | 2026 | pi1->attr->aspath, |
121e245d DS |
2027 | pi2->attr->aspath)) |
2028 | continue; | |
d62a17ae | 2029 | |
121e245d DS |
2030 | if (bgp_path_info_cmp( |
2031 | bgp, pi2, new_select, | |
2032 | &paths_eq, mpath_cfg, debug, | |
fdf81fa0 DS |
2033 | pfx_buf, afi, safi, |
2034 | &rn->reason)) { | |
121e245d DS |
2035 | bgp_path_info_unset_flag( |
2036 | rn, new_select, | |
2037 | BGP_PATH_DMED_SELECTED); | |
2038 | new_select = pi2; | |
d62a17ae | 2039 | } |
121e245d DS |
2040 | |
2041 | bgp_path_info_set_flag( | |
2042 | rn, pi2, BGP_PATH_DMED_CHECK); | |
d62a17ae | 2043 | } |
2044 | } | |
18ee8310 DS |
2045 | bgp_path_info_set_flag(rn, new_select, |
2046 | BGP_PATH_DMED_CHECK); | |
2047 | bgp_path_info_set_flag(rn, new_select, | |
2048 | BGP_PATH_DMED_SELECTED); | |
d62a17ae | 2049 | |
2050 | if (debug) { | |
18ee8310 DS |
2051 | bgp_path_info_path_with_addpath_rx_str( |
2052 | new_select, path_buf); | |
c66faab1 | 2053 | zlog_debug("%s: %s is the bestpath from AS %u", |
d62a17ae | 2054 | pfx_buf, path_buf, |
2055 | aspath_get_first_as( | |
2056 | new_select->attr->aspath)); | |
2057 | } | |
2058 | } | |
2059 | } | |
96450faf | 2060 | |
d62a17ae | 2061 | /* Check old selected route and new selected route. */ |
2062 | old_select = NULL; | |
2063 | new_select = NULL; | |
6f94b685 DS |
2064 | for (pi = bgp_node_get_bgp_path_info(rn); |
2065 | (pi != NULL) && (nextpi = pi->next, 1); pi = nextpi) { | |
40381db7 DS |
2066 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) |
2067 | old_select = pi; | |
d62a17ae | 2068 | |
40381db7 | 2069 | if (BGP_PATH_HOLDDOWN(pi)) { |
d62a17ae | 2070 | /* reap REMOVED routes, if needs be |
2071 | * selected route must stay for a while longer though | |
2072 | */ | |
40381db7 DS |
2073 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) |
2074 | && (pi != old_select)) | |
2075 | bgp_path_info_reap(rn, pi); | |
d62a17ae | 2076 | |
ddb5b488 | 2077 | if (debug) |
40381db7 DS |
2078 | zlog_debug("%s: pi %p in holddown", __func__, |
2079 | pi); | |
ddb5b488 | 2080 | |
d62a17ae | 2081 | continue; |
2082 | } | |
96450faf | 2083 | |
40381db7 DS |
2084 | if (pi->peer && pi->peer != bgp->peer_self |
2085 | && !CHECK_FLAG(pi->peer->sflags, PEER_STATUS_NSF_WAIT)) | |
2086 | if (pi->peer->status != Established) { | |
ddb5b488 PZ |
2087 | |
2088 | if (debug) | |
2089 | zlog_debug( | |
40381db7 DS |
2090 | "%s: pi %p non self peer %s not estab state", |
2091 | __func__, pi, pi->peer->host); | |
ddb5b488 | 2092 | |
d62a17ae | 2093 | continue; |
ddb5b488 | 2094 | } |
9fbdd100 | 2095 | |
d62a17ae | 2096 | if (bgp_flag_check(bgp, BGP_FLAG_DETERMINISTIC_MED) |
40381db7 DS |
2097 | && (!CHECK_FLAG(pi->flags, BGP_PATH_DMED_SELECTED))) { |
2098 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_DMED_CHECK); | |
ddb5b488 | 2099 | if (debug) |
40381db7 | 2100 | zlog_debug("%s: pi %p dmed", __func__, pi); |
d62a17ae | 2101 | continue; |
2102 | } | |
9fbdd100 | 2103 | |
40381db7 | 2104 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_DMED_CHECK); |
06370dac | 2105 | |
40381db7 | 2106 | if (bgp_path_info_cmp(bgp, pi, new_select, &paths_eq, mpath_cfg, |
fdf81fa0 | 2107 | debug, pfx_buf, afi, safi, &rn->reason)) { |
40381db7 | 2108 | new_select = pi; |
d62a17ae | 2109 | } |
2110 | } | |
718e3744 | 2111 | |
d62a17ae | 2112 | /* Now that we know which path is the bestpath see if any of the other |
2113 | * paths | |
2114 | * qualify as multipaths | |
2115 | */ | |
2116 | if (debug) { | |
2117 | if (new_select) | |
18ee8310 DS |
2118 | bgp_path_info_path_with_addpath_rx_str(new_select, |
2119 | path_buf); | |
d62a17ae | 2120 | else |
2121 | sprintf(path_buf, "NONE"); | |
2122 | zlog_debug( | |
2123 | "%s: After path selection, newbest is %s oldbest was %s", | |
2124 | pfx_buf, path_buf, | |
2125 | old_select ? old_select->peer->host : "NONE"); | |
96450faf | 2126 | } |
9fbdd100 | 2127 | |
d62a17ae | 2128 | if (do_mpath && new_select) { |
6f94b685 DS |
2129 | for (pi = bgp_node_get_bgp_path_info(rn); |
2130 | (pi != NULL) && (nextpi = pi->next, 1); pi = nextpi) { | |
d62a17ae | 2131 | |
2132 | if (debug) | |
18ee8310 | 2133 | bgp_path_info_path_with_addpath_rx_str( |
40381db7 | 2134 | pi, path_buf); |
d62a17ae | 2135 | |
40381db7 | 2136 | if (pi == new_select) { |
d62a17ae | 2137 | if (debug) |
2138 | zlog_debug( | |
2139 | "%s: %s is the bestpath, add to the multipath list", | |
2140 | pfx_buf, path_buf); | |
40381db7 | 2141 | bgp_mp_list_add(&mp_list, pi); |
d62a17ae | 2142 | continue; |
2143 | } | |
2144 | ||
40381db7 | 2145 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 2146 | continue; |
2147 | ||
40381db7 DS |
2148 | if (pi->peer && pi->peer != bgp->peer_self |
2149 | && !CHECK_FLAG(pi->peer->sflags, | |
d62a17ae | 2150 | PEER_STATUS_NSF_WAIT)) |
40381db7 | 2151 | if (pi->peer->status != Established) |
d62a17ae | 2152 | continue; |
2153 | ||
40381db7 | 2154 | if (!bgp_path_info_nexthop_cmp(pi, new_select)) { |
d62a17ae | 2155 | if (debug) |
2156 | zlog_debug( | |
2157 | "%s: %s has the same nexthop as the bestpath, skip it", | |
2158 | pfx_buf, path_buf); | |
2159 | continue; | |
2160 | } | |
2161 | ||
40381db7 | 2162 | bgp_path_info_cmp(bgp, pi, new_select, &paths_eq, |
fdf81fa0 DS |
2163 | mpath_cfg, debug, pfx_buf, afi, safi, |
2164 | &rn->reason); | |
d62a17ae | 2165 | |
2166 | if (paths_eq) { | |
2167 | if (debug) | |
2168 | zlog_debug( | |
2169 | "%s: %s is equivalent to the bestpath, add to the multipath list", | |
2170 | pfx_buf, path_buf); | |
40381db7 | 2171 | bgp_mp_list_add(&mp_list, pi); |
d62a17ae | 2172 | } |
2173 | } | |
2174 | } | |
fee0f4c6 | 2175 | |
18ee8310 DS |
2176 | bgp_path_info_mpath_update(rn, new_select, old_select, &mp_list, |
2177 | mpath_cfg); | |
2178 | bgp_path_info_mpath_aggregate_update(new_select, old_select); | |
d62a17ae | 2179 | bgp_mp_list_clear(&mp_list); |
96450faf | 2180 | |
dcc68b5e MS |
2181 | bgp_addpath_update_ids(bgp, rn, afi, safi); |
2182 | ||
d62a17ae | 2183 | result->old = old_select; |
2184 | result->new = new_select; | |
96450faf | 2185 | |
d62a17ae | 2186 | return; |
fee0f4c6 | 2187 | } |
2188 | ||
3f9c7369 DS |
2189 | /* |
2190 | * A new route/change in bestpath of an existing route. Evaluate the path | |
2191 | * for advertisement to the subgroup. | |
2192 | */ | |
d62a17ae | 2193 | int subgroup_process_announce_selected(struct update_subgroup *subgrp, |
4b7e6066 | 2194 | struct bgp_path_info *selected, |
d62a17ae | 2195 | struct bgp_node *rn, |
d7c0a89a | 2196 | uint32_t addpath_tx_id) |
d62a17ae | 2197 | { |
2198 | struct prefix *p; | |
2199 | struct peer *onlypeer; | |
2200 | struct attr attr; | |
2201 | afi_t afi; | |
2202 | safi_t safi; | |
adbac85e | 2203 | |
d62a17ae | 2204 | p = &rn->p; |
2205 | afi = SUBGRP_AFI(subgrp); | |
2206 | safi = SUBGRP_SAFI(subgrp); | |
2207 | onlypeer = ((SUBGRP_PCOUNT(subgrp) == 1) ? (SUBGRP_PFIRST(subgrp))->peer | |
2208 | : NULL); | |
2209 | ||
e0207895 PZ |
2210 | if (BGP_DEBUG(update, UPDATE_OUT)) { |
2211 | char buf_prefix[PREFIX_STRLEN]; | |
2212 | prefix2str(p, buf_prefix, sizeof(buf_prefix)); | |
ddb5b488 PZ |
2213 | zlog_debug("%s: p=%s, selected=%p", __func__, buf_prefix, |
2214 | selected); | |
e0207895 PZ |
2215 | } |
2216 | ||
d62a17ae | 2217 | /* First update is deferred until ORF or ROUTE-REFRESH is received */ |
996c9314 LB |
2218 | if (onlypeer && CHECK_FLAG(onlypeer->af_sflags[afi][safi], |
2219 | PEER_STATUS_ORF_WAIT_REFRESH)) | |
d62a17ae | 2220 | return 0; |
2221 | ||
2222 | memset(&attr, 0, sizeof(struct attr)); | |
2223 | /* It's initialized in bgp_announce_check() */ | |
2224 | ||
2225 | /* Announcement to the subgroup. If the route is filtered withdraw it. | |
2226 | */ | |
2227 | if (selected) { | |
2228 | if (subgroup_announce_check(rn, selected, subgrp, p, &attr)) | |
2229 | bgp_adj_out_set_subgroup(rn, subgrp, &attr, selected); | |
2230 | else | |
2231 | bgp_adj_out_unset_subgroup(rn, subgrp, 1, | |
dcc68b5e | 2232 | addpath_tx_id); |
d62a17ae | 2233 | } |
2234 | ||
2235 | /* If selected is NULL we must withdraw the path using addpath_tx_id */ | |
2236 | else { | |
2237 | bgp_adj_out_unset_subgroup(rn, subgrp, 1, addpath_tx_id); | |
2238 | } | |
558d1fec | 2239 | |
d62a17ae | 2240 | return 0; |
200df115 | 2241 | } |
fee0f4c6 | 2242 | |
3064bf43 | 2243 | /* |
e1072051 | 2244 | * Clear IGP changed flag and attribute changed flag for a route (all paths). |
2245 | * This is called at the end of route processing. | |
3064bf43 | 2246 | */ |
d62a17ae | 2247 | void bgp_zebra_clear_route_change_flags(struct bgp_node *rn) |
3064bf43 | 2248 | { |
40381db7 | 2249 | struct bgp_path_info *pi; |
3064bf43 | 2250 | |
6f94b685 | 2251 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 2252 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 2253 | continue; |
40381db7 DS |
2254 | UNSET_FLAG(pi->flags, BGP_PATH_IGP_CHANGED); |
2255 | UNSET_FLAG(pi->flags, BGP_PATH_ATTR_CHANGED); | |
d62a17ae | 2256 | } |
3064bf43 | 2257 | } |
2258 | ||
2259 | /* | |
2260 | * Has the route changed from the RIB's perspective? This is invoked only | |
2261 | * if the route selection returns the same best route as earlier - to | |
2262 | * determine if we need to update zebra or not. | |
2263 | */ | |
4b7e6066 DS |
2264 | int bgp_zebra_has_route_changed(struct bgp_node *rn, |
2265 | struct bgp_path_info *selected) | |
d62a17ae | 2266 | { |
4b7e6066 | 2267 | struct bgp_path_info *mpinfo; |
d62a17ae | 2268 | |
2bb9eff4 DS |
2269 | /* If this is multipath, check all selected paths for any nexthop |
2270 | * change or attribute change. Some attribute changes (e.g., community) | |
2271 | * aren't of relevance to the RIB, but we'll update zebra to ensure | |
2272 | * we handle the case of BGP nexthop change. This is the behavior | |
2273 | * when the best path has an attribute change anyway. | |
d62a17ae | 2274 | */ |
1defdda8 DS |
2275 | if (CHECK_FLAG(selected->flags, BGP_PATH_IGP_CHANGED) |
2276 | || CHECK_FLAG(selected->flags, BGP_PATH_MULTIPATH_CHG)) | |
d62a17ae | 2277 | return 1; |
2278 | ||
2bb9eff4 DS |
2279 | /* |
2280 | * If this is multipath, check all selected paths for any nexthop change | |
d62a17ae | 2281 | */ |
18ee8310 DS |
2282 | for (mpinfo = bgp_path_info_mpath_first(selected); mpinfo; |
2283 | mpinfo = bgp_path_info_mpath_next(mpinfo)) { | |
1defdda8 DS |
2284 | if (CHECK_FLAG(mpinfo->flags, BGP_PATH_IGP_CHANGED) |
2285 | || CHECK_FLAG(mpinfo->flags, BGP_PATH_ATTR_CHANGED)) | |
d62a17ae | 2286 | return 1; |
2287 | } | |
3064bf43 | 2288 | |
d62a17ae | 2289 | /* Nothing has changed from the RIB's perspective. */ |
2290 | return 0; | |
3064bf43 | 2291 | } |
2292 | ||
d62a17ae | 2293 | struct bgp_process_queue { |
2294 | struct bgp *bgp; | |
a4d82a8a | 2295 | STAILQ_HEAD(, bgp_node) pqueue; |
aac24838 JB |
2296 | #define BGP_PROCESS_QUEUE_EOIU_MARKER (1 << 0) |
2297 | unsigned int flags; | |
2298 | unsigned int queued; | |
200df115 | 2299 | }; |
2300 | ||
3103e8d2 DS |
2301 | /* |
2302 | * old_select = The old best path | |
2303 | * new_select = the new best path | |
2304 | * | |
2305 | * if (!old_select && new_select) | |
2306 | * We are sending new information on. | |
2307 | * | |
2308 | * if (old_select && new_select) { | |
2309 | * if (new_select != old_select) | |
2310 | * We have a new best path send a change | |
2311 | * else | |
2312 | * We've received a update with new attributes that needs | |
2313 | * to be passed on. | |
2314 | * } | |
2315 | * | |
2316 | * if (old_select && !new_select) | |
2317 | * We have no eligible route that we can announce or the rn | |
2318 | * is being removed. | |
2319 | */ | |
aac24838 JB |
2320 | static void bgp_process_main_one(struct bgp *bgp, struct bgp_node *rn, |
2321 | afi_t afi, safi_t safi) | |
d62a17ae | 2322 | { |
4b7e6066 DS |
2323 | struct bgp_path_info *new_select; |
2324 | struct bgp_path_info *old_select; | |
2325 | struct bgp_path_info_pair old_and_new; | |
ddb5b488 PZ |
2326 | char pfx_buf[PREFIX2STR_BUFFER]; |
2327 | int debug = 0; | |
d62a17ae | 2328 | |
f4c713ae LB |
2329 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS)) { |
2330 | if (rn) | |
2331 | debug = bgp_debug_bestpath(&rn->p); | |
2332 | if (debug) { | |
2333 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2334 | zlog_debug( | |
2335 | "%s: bgp delete in progress, ignoring event, p=%s", | |
2336 | __func__, pfx_buf); | |
2337 | } | |
2338 | return; | |
2339 | } | |
d62a17ae | 2340 | /* Is it end of initial update? (after startup) */ |
2341 | if (!rn) { | |
2342 | quagga_timestamp(3, bgp->update_delay_zebra_resume_time, | |
2343 | sizeof(bgp->update_delay_zebra_resume_time)); | |
2344 | ||
2345 | bgp->main_zebra_update_hold = 0; | |
05c7a1cc QY |
2346 | FOREACH_AFI_SAFI (afi, safi) { |
2347 | if (bgp_fibupd_safi(safi)) | |
2348 | bgp_zebra_announce_table(bgp, afi, safi); | |
2349 | } | |
d62a17ae | 2350 | bgp->main_peers_update_hold = 0; |
2351 | ||
2352 | bgp_start_routeadv(bgp); | |
aac24838 | 2353 | return; |
d62a17ae | 2354 | } |
cb1faec9 | 2355 | |
b575a12c A |
2356 | struct prefix *p = &rn->p; |
2357 | ||
ddb5b488 PZ |
2358 | debug = bgp_debug_bestpath(&rn->p); |
2359 | if (debug) { | |
2360 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2361 | zlog_debug("%s: p=%s afi=%s, safi=%s start", __func__, pfx_buf, | |
2362 | afi2str(afi), safi2str(safi)); | |
2363 | } | |
2364 | ||
d62a17ae | 2365 | /* Best path selection. */ |
2366 | bgp_best_selection(bgp, rn, &bgp->maxpaths[afi][safi], &old_and_new, | |
2367 | afi, safi); | |
2368 | old_select = old_and_new.old; | |
2369 | new_select = old_and_new.new; | |
2370 | ||
2371 | /* Do we need to allocate or free labels? | |
2372 | * Right now, since we only deal with per-prefix labels, it is not | |
57592a53 AD |
2373 | * necessary to do this upon changes to best path. Exceptions: |
2374 | * - label index has changed -> recalculate resulting label | |
2375 | * - path_info sub_type changed -> switch to/from implicit-null | |
2376 | * - no valid label (due to removed static label binding) -> get new one | |
d62a17ae | 2377 | */ |
318cac96 | 2378 | if (bgp->allocate_mpls_labels[afi][safi]) { |
d62a17ae | 2379 | if (new_select) { |
2380 | if (!old_select | |
2381 | || bgp_label_index_differs(new_select, old_select) | |
57592a53 AD |
2382 | || new_select->sub_type != old_select->sub_type |
2383 | || !bgp_is_valid_label(&rn->local_label)) { | |
2384 | /* Enforced penultimate hop popping: | |
2385 | * implicit-null for local routes, aggregate | |
2386 | * and redistributed routes | |
2387 | */ | |
d62a17ae | 2388 | if (new_select->sub_type == BGP_ROUTE_STATIC |
57592a53 AD |
2389 | || new_select->sub_type |
2390 | == BGP_ROUTE_AGGREGATE | |
2391 | || new_select->sub_type | |
2392 | == BGP_ROUTE_REDISTRIBUTE) { | |
d62a17ae | 2393 | if (CHECK_FLAG( |
2394 | rn->flags, | |
2395 | BGP_NODE_REGISTERED_FOR_LABEL)) | |
2396 | bgp_unregister_for_label(rn); | |
70e98a7f | 2397 | label_ntop(MPLS_LABEL_IMPLICIT_NULL, 1, |
d62a17ae | 2398 | &rn->local_label); |
2399 | bgp_set_valid_label(&rn->local_label); | |
2400 | } else | |
2401 | bgp_register_for_label(rn, new_select); | |
2402 | } | |
a4d82a8a PZ |
2403 | } else if (CHECK_FLAG(rn->flags, |
2404 | BGP_NODE_REGISTERED_FOR_LABEL)) { | |
d62a17ae | 2405 | bgp_unregister_for_label(rn); |
318cac96 DW |
2406 | } |
2407 | } else if (CHECK_FLAG(rn->flags, BGP_NODE_REGISTERED_FOR_LABEL)) { | |
2408 | bgp_unregister_for_label(rn); | |
d62a17ae | 2409 | } |
cd1964ff | 2410 | |
ddb5b488 PZ |
2411 | if (debug) { |
2412 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2413 | zlog_debug( | |
2414 | "%s: p=%s afi=%s, safi=%s, old_select=%p, new_select=%p", | |
2415 | __func__, pfx_buf, afi2str(afi), safi2str(safi), | |
2416 | old_select, new_select); | |
2417 | } | |
2418 | ||
d62a17ae | 2419 | /* If best route remains the same and this is not due to user-initiated |
2420 | * clear, see exactly what needs to be done. | |
2421 | */ | |
d62a17ae | 2422 | if (old_select && old_select == new_select |
2423 | && !CHECK_FLAG(rn->flags, BGP_NODE_USER_CLEAR) | |
1defdda8 | 2424 | && !CHECK_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED) |
dcc68b5e | 2425 | && !bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { |
d62a17ae | 2426 | if (bgp_zebra_has_route_changed(rn, old_select)) { |
65efcfce | 2427 | #if ENABLE_BGP_VNC |
d62a17ae | 2428 | vnc_import_bgp_add_route(bgp, p, old_select); |
2429 | vnc_import_bgp_exterior_add_route(bgp, p, old_select); | |
65efcfce | 2430 | #endif |
bb744275 | 2431 | if (bgp_fibupd_safi(safi) |
ddb5b488 PZ |
2432 | && !bgp_option_check(BGP_OPT_NO_FIB)) { |
2433 | ||
2434 | if (new_select->type == ZEBRA_ROUTE_BGP | |
2435 | && (new_select->sub_type == BGP_ROUTE_NORMAL | |
2436 | || new_select->sub_type | |
2437 | == BGP_ROUTE_IMPORTED)) | |
2438 | ||
2439 | bgp_zebra_announce(rn, p, old_select, | |
2440 | bgp, afi, safi); | |
2441 | } | |
d62a17ae | 2442 | } |
1defdda8 | 2443 | UNSET_FLAG(old_select->flags, BGP_PATH_MULTIPATH_CHG); |
d62a17ae | 2444 | bgp_zebra_clear_route_change_flags(rn); |
2445 | ||
2446 | /* If there is a change of interest to peers, reannounce the | |
2447 | * route. */ | |
1defdda8 | 2448 | if (CHECK_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED) |
d62a17ae | 2449 | || CHECK_FLAG(rn->flags, BGP_NODE_LABEL_CHANGED)) { |
2450 | group_announce_route(bgp, afi, safi, rn, new_select); | |
2451 | ||
2452 | /* unicast routes must also be annouced to | |
2453 | * labeled-unicast update-groups */ | |
2454 | if (safi == SAFI_UNICAST) | |
2455 | group_announce_route(bgp, afi, | |
2456 | SAFI_LABELED_UNICAST, rn, | |
2457 | new_select); | |
2458 | ||
1defdda8 | 2459 | UNSET_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 2460 | UNSET_FLAG(rn->flags, BGP_NODE_LABEL_CHANGED); |
2461 | } | |
fee0f4c6 | 2462 | |
d62a17ae | 2463 | UNSET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); |
aac24838 | 2464 | return; |
d62a17ae | 2465 | } |
8ad7271d | 2466 | |
d62a17ae | 2467 | /* If the user did "clear ip bgp prefix x.x.x.x" this flag will be set |
2468 | */ | |
2469 | UNSET_FLAG(rn->flags, BGP_NODE_USER_CLEAR); | |
2470 | ||
2471 | /* bestpath has changed; bump version */ | |
2472 | if (old_select || new_select) { | |
2473 | bgp_bump_version(rn); | |
2474 | ||
2475 | if (!bgp->t_rmap_def_originate_eval) { | |
2476 | bgp_lock(bgp); | |
2477 | thread_add_timer( | |
2478 | bm->master, | |
2479 | update_group_refresh_default_originate_route_map, | |
2480 | bgp, RMAP_DEFAULT_ORIGINATE_EVAL_TIMER, | |
2481 | &bgp->t_rmap_def_originate_eval); | |
2482 | } | |
2483 | } | |
3f9c7369 | 2484 | |
d62a17ae | 2485 | if (old_select) |
18ee8310 | 2486 | bgp_path_info_unset_flag(rn, old_select, BGP_PATH_SELECTED); |
d62a17ae | 2487 | if (new_select) { |
ddb5b488 PZ |
2488 | if (debug) |
2489 | zlog_debug("%s: setting SELECTED flag", __func__); | |
18ee8310 DS |
2490 | bgp_path_info_set_flag(rn, new_select, BGP_PATH_SELECTED); |
2491 | bgp_path_info_unset_flag(rn, new_select, BGP_PATH_ATTR_CHANGED); | |
1defdda8 | 2492 | UNSET_FLAG(new_select->flags, BGP_PATH_MULTIPATH_CHG); |
d62a17ae | 2493 | } |
338b3424 | 2494 | |
65efcfce | 2495 | #if ENABLE_BGP_VNC |
d62a17ae | 2496 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { |
2497 | if (old_select != new_select) { | |
2498 | if (old_select) { | |
2499 | vnc_import_bgp_exterior_del_route(bgp, p, | |
2500 | old_select); | |
2501 | vnc_import_bgp_del_route(bgp, p, old_select); | |
2502 | } | |
2503 | if (new_select) { | |
2504 | vnc_import_bgp_exterior_add_route(bgp, p, | |
2505 | new_select); | |
2506 | vnc_import_bgp_add_route(bgp, p, new_select); | |
2507 | } | |
2508 | } | |
2509 | } | |
65efcfce LB |
2510 | #endif |
2511 | ||
d62a17ae | 2512 | group_announce_route(bgp, afi, safi, rn, new_select); |
2513 | ||
2514 | /* unicast routes must also be annouced to labeled-unicast update-groups | |
2515 | */ | |
2516 | if (safi == SAFI_UNICAST) | |
2517 | group_announce_route(bgp, afi, SAFI_LABELED_UNICAST, rn, | |
2518 | new_select); | |
2519 | ||
2520 | /* FIB update. */ | |
2521 | if (bgp_fibupd_safi(safi) && (bgp->inst_type != BGP_INSTANCE_TYPE_VIEW) | |
2522 | && !bgp_option_check(BGP_OPT_NO_FIB)) { | |
2523 | if (new_select && new_select->type == ZEBRA_ROUTE_BGP | |
2524 | && (new_select->sub_type == BGP_ROUTE_NORMAL | |
ddb5b488 | 2525 | || new_select->sub_type == BGP_ROUTE_AGGREGATE |
2b659f33 MK |
2526 | || new_select->sub_type == BGP_ROUTE_IMPORTED)) { |
2527 | ||
2528 | /* if this is an evpn imported type-5 prefix, | |
2529 | * we need to withdraw the route first to clear | |
2530 | * the nh neigh and the RMAC entry. | |
2531 | */ | |
2532 | if (old_select && | |
2533 | is_route_parent_evpn(old_select)) | |
2534 | bgp_zebra_withdraw(p, old_select, bgp, safi); | |
ddb5b488 | 2535 | |
d62a17ae | 2536 | bgp_zebra_announce(rn, p, new_select, bgp, afi, safi); |
2b659f33 | 2537 | } else { |
d62a17ae | 2538 | /* Withdraw the route from the kernel. */ |
2539 | if (old_select && old_select->type == ZEBRA_ROUTE_BGP | |
2540 | && (old_select->sub_type == BGP_ROUTE_NORMAL | |
ddb5b488 PZ |
2541 | || old_select->sub_type == BGP_ROUTE_AGGREGATE |
2542 | || old_select->sub_type == BGP_ROUTE_IMPORTED)) | |
2543 | ||
568e10ca | 2544 | bgp_zebra_withdraw(p, old_select, bgp, safi); |
d62a17ae | 2545 | } |
718e3744 | 2546 | } |
3064bf43 | 2547 | |
5424b7ba MK |
2548 | /* advertise/withdraw type-5 routes */ |
2549 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { | |
f106e3a7 | 2550 | if (advertise_type5_routes(bgp, afi) && |
2551 | new_select && | |
2552 | is_route_injectable_into_evpn(new_select)) { | |
7e4ed18e MK |
2553 | |
2554 | /* apply the route-map */ | |
2555 | if (bgp->adv_cmd_rmap[afi][safi].map) { | |
b68885f9 | 2556 | route_map_result_t ret; |
7e4ed18e | 2557 | |
3518f352 DS |
2558 | ret = route_map_apply( |
2559 | bgp->adv_cmd_rmap[afi][safi].map, | |
2560 | &rn->p, RMAP_BGP, new_select); | |
b68885f9 | 2561 | if (ret == RMAP_PERMITMATCH) |
3518f352 DS |
2562 | bgp_evpn_advertise_type5_route( |
2563 | bgp, &rn->p, new_select->attr, | |
2564 | afi, safi); | |
c27ee4c4 | 2565 | else |
2566 | bgp_evpn_withdraw_type5_route( | |
2567 | bgp, &rn->p, afi, safi); | |
7e4ed18e MK |
2568 | } else { |
2569 | bgp_evpn_advertise_type5_route(bgp, | |
2570 | &rn->p, | |
2571 | new_select->attr, | |
2572 | afi, safi); | |
2573 | ||
2574 | } | |
f106e3a7 | 2575 | } else if (advertise_type5_routes(bgp, afi) && |
2576 | old_select && | |
2577 | is_route_injectable_into_evpn(old_select)) | |
31310b25 | 2578 | bgp_evpn_withdraw_type5_route(bgp, &rn->p, afi, safi); |
5424b7ba MK |
2579 | } |
2580 | ||
d62a17ae | 2581 | /* Clear any route change flags. */ |
2582 | bgp_zebra_clear_route_change_flags(rn); | |
3064bf43 | 2583 | |
18ee8310 | 2584 | /* Reap old select bgp_path_info, if it has been removed */ |
1defdda8 | 2585 | if (old_select && CHECK_FLAG(old_select->flags, BGP_PATH_REMOVED)) |
18ee8310 | 2586 | bgp_path_info_reap(rn, old_select); |
d62a17ae | 2587 | |
2588 | UNSET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); | |
aac24838 | 2589 | return; |
718e3744 | 2590 | } |
2591 | ||
aac24838 | 2592 | static wq_item_status bgp_process_wq(struct work_queue *wq, void *data) |
200df115 | 2593 | { |
aac24838 JB |
2594 | struct bgp_process_queue *pqnode = data; |
2595 | struct bgp *bgp = pqnode->bgp; | |
d62a17ae | 2596 | struct bgp_table *table; |
ac021f40 | 2597 | struct bgp_node *rn; |
aac24838 JB |
2598 | |
2599 | /* eoiu marker */ | |
2600 | if (CHECK_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER)) { | |
2601 | bgp_process_main_one(bgp, NULL, 0, 0); | |
60466a63 QY |
2602 | /* should always have dedicated wq call */ |
2603 | assert(STAILQ_FIRST(&pqnode->pqueue) == NULL); | |
aac24838 JB |
2604 | return WQ_SUCCESS; |
2605 | } | |
2606 | ||
ac021f40 LB |
2607 | while (!STAILQ_EMPTY(&pqnode->pqueue)) { |
2608 | rn = STAILQ_FIRST(&pqnode->pqueue); | |
2609 | STAILQ_REMOVE_HEAD(&pqnode->pqueue, pq); | |
b3e1dd3c | 2610 | STAILQ_NEXT(rn, pq) = NULL; /* complete unlink */ |
aac24838 | 2611 | table = bgp_node_table(rn); |
ac021f40 | 2612 | /* note, new RNs may be added as part of processing */ |
aac24838 | 2613 | bgp_process_main_one(bgp, rn, table->afi, table->safi); |
cb1faec9 | 2614 | |
aac24838 | 2615 | bgp_unlock_node(rn); |
d62a17ae | 2616 | bgp_table_unlock(table); |
2617 | } | |
aac24838 JB |
2618 | |
2619 | return WQ_SUCCESS; | |
2620 | } | |
2621 | ||
2622 | static void bgp_processq_del(struct work_queue *wq, void *data) | |
2623 | { | |
2624 | struct bgp_process_queue *pqnode = data; | |
2625 | ||
2626 | bgp_unlock(pqnode->bgp); | |
2627 | ||
2628 | XFREE(MTYPE_BGP_PROCESS_QUEUE, pqnode); | |
200df115 | 2629 | } |
2630 | ||
d62a17ae | 2631 | void bgp_process_queue_init(void) |
200df115 | 2632 | { |
0ce1ca80 | 2633 | if (!bm->process_main_queue) |
d62a17ae | 2634 | bm->process_main_queue = |
2635 | work_queue_new(bm->master, "process_main_queue"); | |
2636 | ||
aac24838 | 2637 | bm->process_main_queue->spec.workfunc = &bgp_process_wq; |
d62a17ae | 2638 | bm->process_main_queue->spec.del_item_data = &bgp_processq_del; |
2639 | bm->process_main_queue->spec.max_retries = 0; | |
2640 | bm->process_main_queue->spec.hold = 50; | |
2641 | /* Use a higher yield value of 50ms for main queue processing */ | |
2642 | bm->process_main_queue->spec.yield = 50 * 1000L; | |
200df115 | 2643 | } |
2644 | ||
cfe8d15a | 2645 | static struct bgp_process_queue *bgp_processq_alloc(struct bgp *bgp) |
aac24838 JB |
2646 | { |
2647 | struct bgp_process_queue *pqnode; | |
2648 | ||
a4d82a8a PZ |
2649 | pqnode = XCALLOC(MTYPE_BGP_PROCESS_QUEUE, |
2650 | sizeof(struct bgp_process_queue)); | |
aac24838 JB |
2651 | |
2652 | /* unlocked in bgp_processq_del */ | |
2653 | pqnode->bgp = bgp_lock(bgp); | |
2654 | STAILQ_INIT(&pqnode->pqueue); | |
2655 | ||
aac24838 JB |
2656 | return pqnode; |
2657 | } | |
2658 | ||
d62a17ae | 2659 | void bgp_process(struct bgp *bgp, struct bgp_node *rn, afi_t afi, safi_t safi) |
fee0f4c6 | 2660 | { |
aac24838 JB |
2661 | #define ARBITRARY_PROCESS_QLEN 10000 |
2662 | struct work_queue *wq = bm->process_main_queue; | |
d62a17ae | 2663 | struct bgp_process_queue *pqnode; |
cfe8d15a | 2664 | int pqnode_reuse = 0; |
495f0b13 | 2665 | |
d62a17ae | 2666 | /* already scheduled for processing? */ |
2667 | if (CHECK_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED)) | |
2668 | return; | |
2e02b9b2 | 2669 | |
aac24838 | 2670 | if (wq == NULL) |
d62a17ae | 2671 | return; |
2672 | ||
aac24838 | 2673 | /* Add route nodes to an existing work queue item until reaching the |
a4d82a8a PZ |
2674 | limit only if is from the same BGP view and it's not an EOIU marker |
2675 | */ | |
aac24838 JB |
2676 | if (work_queue_item_count(wq)) { |
2677 | struct work_queue_item *item = work_queue_last_item(wq); | |
2678 | pqnode = item->data; | |
228da428 | 2679 | |
a4d82a8a PZ |
2680 | if (CHECK_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER) |
2681 | || pqnode->bgp != bgp | |
2682 | || pqnode->queued >= ARBITRARY_PROCESS_QLEN) | |
cfe8d15a LB |
2683 | pqnode = bgp_processq_alloc(bgp); |
2684 | else | |
2685 | pqnode_reuse = 1; | |
aac24838 | 2686 | } else |
cfe8d15a | 2687 | pqnode = bgp_processq_alloc(bgp); |
aac24838 | 2688 | /* all unlocked in bgp_process_wq */ |
d62a17ae | 2689 | bgp_table_lock(bgp_node_table(rn)); |
aac24838 | 2690 | |
d62a17ae | 2691 | SET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); |
aac24838 JB |
2692 | bgp_lock_node(rn); |
2693 | ||
60466a63 QY |
2694 | /* can't be enqueued twice */ |
2695 | assert(STAILQ_NEXT(rn, pq) == NULL); | |
aac24838 JB |
2696 | STAILQ_INSERT_TAIL(&pqnode->pqueue, rn, pq); |
2697 | pqnode->queued++; | |
2698 | ||
cfe8d15a LB |
2699 | if (!pqnode_reuse) |
2700 | work_queue_add(wq, pqnode); | |
2701 | ||
d62a17ae | 2702 | return; |
fee0f4c6 | 2703 | } |
0a486e5f | 2704 | |
d62a17ae | 2705 | void bgp_add_eoiu_mark(struct bgp *bgp) |
cb1faec9 | 2706 | { |
d62a17ae | 2707 | struct bgp_process_queue *pqnode; |
cb1faec9 | 2708 | |
d62a17ae | 2709 | if (bm->process_main_queue == NULL) |
2710 | return; | |
2e02b9b2 | 2711 | |
cfe8d15a | 2712 | pqnode = bgp_processq_alloc(bgp); |
cb1faec9 | 2713 | |
aac24838 | 2714 | SET_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER); |
cfe8d15a | 2715 | work_queue_add(bm->process_main_queue, pqnode); |
cb1faec9 DS |
2716 | } |
2717 | ||
d62a17ae | 2718 | static int bgp_maximum_prefix_restart_timer(struct thread *thread) |
0a486e5f | 2719 | { |
d62a17ae | 2720 | struct peer *peer; |
0a486e5f | 2721 | |
d62a17ae | 2722 | peer = THREAD_ARG(thread); |
2723 | peer->t_pmax_restart = NULL; | |
0a486e5f | 2724 | |
d62a17ae | 2725 | if (bgp_debug_neighbor_events(peer)) |
2726 | zlog_debug( | |
2727 | "%s Maximum-prefix restart timer expired, restore peering", | |
2728 | peer->host); | |
0a486e5f | 2729 | |
a9bafa95 DS |
2730 | if ((peer_clear(peer, NULL) < 0) && bgp_debug_neighbor_events(peer)) |
2731 | zlog_debug("%s: %s peer_clear failed", | |
2732 | __PRETTY_FUNCTION__, peer->host); | |
0a486e5f | 2733 | |
d62a17ae | 2734 | return 0; |
0a486e5f | 2735 | } |
2736 | ||
d62a17ae | 2737 | int bgp_maximum_prefix_overflow(struct peer *peer, afi_t afi, safi_t safi, |
2738 | int always) | |
718e3744 | 2739 | { |
d62a17ae | 2740 | iana_afi_t pkt_afi; |
5c525538 | 2741 | iana_safi_t pkt_safi; |
9cabb64b | 2742 | |
d62a17ae | 2743 | if (!CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) |
2744 | return 0; | |
e0701b79 | 2745 | |
d62a17ae | 2746 | if (peer->pcount[afi][safi] > peer->pmax[afi][safi]) { |
2747 | if (CHECK_FLAG(peer->af_sflags[afi][safi], | |
2748 | PEER_STATUS_PREFIX_LIMIT) | |
2749 | && !always) | |
2750 | return 0; | |
e0701b79 | 2751 | |
d62a17ae | 2752 | zlog_info( |
a0a87037 DA |
2753 | "%%MAXPFXEXCEED: No. of %s prefix received from %s %" PRIu32 |
2754 | " exceed, limit %" PRIu32, | |
5cb5f4d0 | 2755 | get_afi_safi_str(afi, safi, false), peer->host, |
d62a17ae | 2756 | peer->pcount[afi][safi], peer->pmax[afi][safi]); |
2757 | SET_FLAG(peer->af_sflags[afi][safi], PEER_STATUS_PREFIX_LIMIT); | |
2758 | ||
2759 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
2760 | PEER_FLAG_MAX_PREFIX_WARNING)) | |
2761 | return 0; | |
2762 | ||
2763 | /* Convert AFI, SAFI to values for packet. */ | |
2764 | pkt_afi = afi_int2iana(afi); | |
2765 | pkt_safi = safi_int2iana(safi); | |
2766 | { | |
d7c0a89a | 2767 | uint8_t ndata[7]; |
d62a17ae | 2768 | |
2769 | ndata[0] = (pkt_afi >> 8); | |
2770 | ndata[1] = pkt_afi; | |
2771 | ndata[2] = pkt_safi; | |
2772 | ndata[3] = (peer->pmax[afi][safi] >> 24); | |
2773 | ndata[4] = (peer->pmax[afi][safi] >> 16); | |
2774 | ndata[5] = (peer->pmax[afi][safi] >> 8); | |
2775 | ndata[6] = (peer->pmax[afi][safi]); | |
2776 | ||
2777 | SET_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); | |
2778 | bgp_notify_send_with_data(peer, BGP_NOTIFY_CEASE, | |
2779 | BGP_NOTIFY_CEASE_MAX_PREFIX, | |
2780 | ndata, 7); | |
2781 | } | |
2782 | ||
2783 | /* Dynamic peers will just close their connection. */ | |
2784 | if (peer_dynamic_neighbor(peer)) | |
2785 | return 1; | |
2786 | ||
2787 | /* restart timer start */ | |
2788 | if (peer->pmax_restart[afi][safi]) { | |
2789 | peer->v_pmax_restart = | |
2790 | peer->pmax_restart[afi][safi] * 60; | |
2791 | ||
2792 | if (bgp_debug_neighbor_events(peer)) | |
2793 | zlog_debug( | |
2794 | "%s Maximum-prefix restart timer started for %d secs", | |
2795 | peer->host, peer->v_pmax_restart); | |
2796 | ||
2797 | BGP_TIMER_ON(peer->t_pmax_restart, | |
2798 | bgp_maximum_prefix_restart_timer, | |
2799 | peer->v_pmax_restart); | |
2800 | } | |
2801 | ||
2802 | return 1; | |
2803 | } else | |
2804 | UNSET_FLAG(peer->af_sflags[afi][safi], | |
2805 | PEER_STATUS_PREFIX_LIMIT); | |
2806 | ||
2807 | if (peer->pcount[afi][safi] | |
2808 | > (peer->pmax[afi][safi] * peer->pmax_threshold[afi][safi] / 100)) { | |
2809 | if (CHECK_FLAG(peer->af_sflags[afi][safi], | |
2810 | PEER_STATUS_PREFIX_THRESHOLD) | |
2811 | && !always) | |
2812 | return 0; | |
2813 | ||
2814 | zlog_info( | |
a0a87037 DA |
2815 | "%%MAXPFX: No. of %s prefix received from %s reaches %" PRIu32 |
2816 | ", max %" PRIu32, | |
5cb5f4d0 | 2817 | get_afi_safi_str(afi, safi, false), peer->host, |
d62a17ae | 2818 | peer->pcount[afi][safi], peer->pmax[afi][safi]); |
2819 | SET_FLAG(peer->af_sflags[afi][safi], | |
2820 | PEER_STATUS_PREFIX_THRESHOLD); | |
2821 | } else | |
2822 | UNSET_FLAG(peer->af_sflags[afi][safi], | |
2823 | PEER_STATUS_PREFIX_THRESHOLD); | |
2824 | return 0; | |
718e3744 | 2825 | } |
2826 | ||
b40d939b | 2827 | /* Unconditionally remove the route from the RIB, without taking |
2828 | * damping into consideration (eg, because the session went down) | |
2829 | */ | |
40381db7 | 2830 | void bgp_rib_remove(struct bgp_node *rn, struct bgp_path_info *pi, |
4b7e6066 | 2831 | struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 2832 | { |
40381db7 | 2833 | bgp_aggregate_decrement(peer->bgp, &rn->p, pi, afi, safi); |
d62a17ae | 2834 | |
40381db7 DS |
2835 | if (!CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) |
2836 | bgp_path_info_delete(rn, pi); /* keep historical info */ | |
d62a17ae | 2837 | |
4a11bf2c DL |
2838 | hook_call(bgp_process, peer->bgp, afi, safi, rn, peer, true); |
2839 | ||
d62a17ae | 2840 | bgp_process(peer->bgp, rn, afi, safi); |
2841 | } | |
2842 | ||
40381db7 | 2843 | static void bgp_rib_withdraw(struct bgp_node *rn, struct bgp_path_info *pi, |
d62a17ae | 2844 | struct peer *peer, afi_t afi, safi_t safi, |
2845 | struct prefix_rd *prd) | |
2846 | { | |
d62a17ae | 2847 | /* apply dampening, if result is suppressed, we'll be retaining |
18ee8310 | 2848 | * the bgp_path_info in the RIB for historical reference. |
d62a17ae | 2849 | */ |
2850 | if (CHECK_FLAG(peer->bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
2851 | && peer->sort == BGP_PEER_EBGP) | |
40381db7 | 2852 | if ((bgp_damp_withdraw(pi, rn, afi, safi, 0)) |
d62a17ae | 2853 | == BGP_DAMP_SUPPRESSED) { |
40381db7 | 2854 | bgp_aggregate_decrement(peer->bgp, &rn->p, pi, afi, |
d62a17ae | 2855 | safi); |
2856 | return; | |
2857 | } | |
2858 | ||
65efcfce | 2859 | #if ENABLE_BGP_VNC |
d62a17ae | 2860 | if (safi == SAFI_MPLS_VPN) { |
2861 | struct bgp_node *prn = NULL; | |
2862 | struct bgp_table *table = NULL; | |
2863 | ||
2864 | prn = bgp_node_get(peer->bgp->rib[afi][safi], | |
2865 | (struct prefix *)prd); | |
67009e22 DS |
2866 | if (bgp_node_has_bgp_path_info_data(prn)) { |
2867 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 2868 | |
2869 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
40381db7 | 2870 | peer->bgp, prd, table, &rn->p, pi); |
d62a17ae | 2871 | } |
2872 | bgp_unlock_node(prn); | |
2873 | } | |
2874 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { | |
40381db7 | 2875 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
65efcfce | 2876 | |
40381db7 | 2877 | vnc_import_bgp_del_route(peer->bgp, &rn->p, pi); |
d62a17ae | 2878 | vnc_import_bgp_exterior_del_route(peer->bgp, &rn->p, |
40381db7 | 2879 | pi); |
d62a17ae | 2880 | } |
65efcfce | 2881 | } |
d62a17ae | 2882 | #endif |
128ea8ab | 2883 | |
d62a17ae | 2884 | /* If this is an EVPN route, process for un-import. */ |
2885 | if (safi == SAFI_EVPN) | |
40381db7 | 2886 | bgp_evpn_unimport_route(peer->bgp, afi, safi, &rn->p, pi); |
128ea8ab | 2887 | |
40381db7 | 2888 | bgp_rib_remove(rn, pi, peer, afi, safi); |
718e3744 | 2889 | } |
2890 | ||
4b7e6066 DS |
2891 | struct bgp_path_info *info_make(int type, int sub_type, unsigned short instance, |
2892 | struct peer *peer, struct attr *attr, | |
2893 | struct bgp_node *rn) | |
fb018d25 | 2894 | { |
4b7e6066 | 2895 | struct bgp_path_info *new; |
fb018d25 | 2896 | |
d62a17ae | 2897 | /* Make new BGP info. */ |
4b7e6066 | 2898 | new = XCALLOC(MTYPE_BGP_ROUTE, sizeof(struct bgp_path_info)); |
d62a17ae | 2899 | new->type = type; |
2900 | new->instance = instance; | |
2901 | new->sub_type = sub_type; | |
2902 | new->peer = peer; | |
2903 | new->attr = attr; | |
2904 | new->uptime = bgp_clock(); | |
2905 | new->net = rn; | |
d62a17ae | 2906 | return new; |
fb018d25 DS |
2907 | } |
2908 | ||
d62a17ae | 2909 | static void overlay_index_update(struct attr *attr, |
2910 | struct eth_segment_id *eth_s_id, | |
2911 | union gw_addr *gw_ip) | |
684a7227 | 2912 | { |
d62a17ae | 2913 | if (!attr) |
2914 | return; | |
684a7227 | 2915 | |
d62a17ae | 2916 | if (eth_s_id == NULL) { |
2917 | memset(&(attr->evpn_overlay.eth_s_id), 0, | |
2918 | sizeof(struct eth_segment_id)); | |
2919 | } else { | |
2920 | memcpy(&(attr->evpn_overlay.eth_s_id), eth_s_id, | |
2921 | sizeof(struct eth_segment_id)); | |
2922 | } | |
2923 | if (gw_ip == NULL) { | |
2924 | memset(&(attr->evpn_overlay.gw_ip), 0, sizeof(union gw_addr)); | |
2925 | } else { | |
2926 | memcpy(&(attr->evpn_overlay.gw_ip), gw_ip, | |
2927 | sizeof(union gw_addr)); | |
2928 | } | |
684a7227 PG |
2929 | } |
2930 | ||
40381db7 | 2931 | static bool overlay_index_equal(afi_t afi, struct bgp_path_info *path, |
d62a17ae | 2932 | struct eth_segment_id *eth_s_id, |
2933 | union gw_addr *gw_ip) | |
2934 | { | |
40381db7 DS |
2935 | struct eth_segment_id *path_eth_s_id, *path_eth_s_id_remote; |
2936 | union gw_addr *path_gw_ip, *path_gw_ip_remote; | |
11ebf4ed DS |
2937 | union { |
2938 | struct eth_segment_id esi; | |
2939 | union gw_addr ip; | |
2940 | } temp; | |
d62a17ae | 2941 | |
2942 | if (afi != AFI_L2VPN) | |
2943 | return true; | |
11ebf4ed | 2944 | |
05864da7 DS |
2945 | path_eth_s_id = &(path->attr->evpn_overlay.eth_s_id); |
2946 | path_gw_ip = &(path->attr->evpn_overlay.gw_ip); | |
11ebf4ed DS |
2947 | |
2948 | if (gw_ip == NULL) { | |
2949 | memset(&temp, 0, sizeof(temp)); | |
40381db7 | 2950 | path_gw_ip_remote = &temp.ip; |
11ebf4ed | 2951 | } else |
40381db7 | 2952 | path_gw_ip_remote = gw_ip; |
11ebf4ed DS |
2953 | |
2954 | if (eth_s_id == NULL) { | |
2955 | memset(&temp, 0, sizeof(temp)); | |
40381db7 | 2956 | path_eth_s_id_remote = &temp.esi; |
11ebf4ed | 2957 | } else |
40381db7 | 2958 | path_eth_s_id_remote = eth_s_id; |
11ebf4ed | 2959 | |
40381db7 | 2960 | if (!memcmp(path_gw_ip, path_gw_ip_remote, sizeof(union gw_addr))) |
d62a17ae | 2961 | return false; |
11ebf4ed | 2962 | |
40381db7 | 2963 | return !memcmp(path_eth_s_id, path_eth_s_id_remote, |
d62a17ae | 2964 | sizeof(struct eth_segment_id)); |
684a7227 PG |
2965 | } |
2966 | ||
c265ee22 | 2967 | /* Check if received nexthop is valid or not. */ |
d62a17ae | 2968 | static int bgp_update_martian_nexthop(struct bgp *bgp, afi_t afi, safi_t safi, |
2969 | struct attr *attr) | |
2970 | { | |
2971 | int ret = 0; | |
2972 | ||
2973 | /* Only validated for unicast and multicast currently. */ | |
2974 | /* Also valid for EVPN where the nexthop is an IP address. */ | |
2975 | if (safi != SAFI_UNICAST && safi != SAFI_MULTICAST && safi != SAFI_EVPN) | |
2976 | return 0; | |
2977 | ||
2978 | /* If NEXT_HOP is present, validate it. */ | |
2979 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP)) { | |
2980 | if (attr->nexthop.s_addr == 0 | |
2981 | || IPV4_CLASS_DE(ntohl(attr->nexthop.s_addr)) | |
2982 | || bgp_nexthop_self(bgp, attr->nexthop)) | |
2983 | return 1; | |
2984 | } | |
c265ee22 | 2985 | |
d62a17ae | 2986 | /* If MP_NEXTHOP is present, validate it. */ |
2987 | /* Note: For IPv6 nexthops, we only validate the global (1st) nexthop; | |
2988 | * there is code in bgp_attr.c to ignore the link-local (2nd) nexthop if | |
2989 | * it is not an IPv6 link-local address. | |
2990 | */ | |
2991 | if (attr->mp_nexthop_len) { | |
2992 | switch (attr->mp_nexthop_len) { | |
2993 | case BGP_ATTR_NHLEN_IPV4: | |
2994 | case BGP_ATTR_NHLEN_VPNV4: | |
2995 | ret = (attr->mp_nexthop_global_in.s_addr == 0 | |
2996 | || IPV4_CLASS_DE(ntohl( | |
2997 | attr->mp_nexthop_global_in.s_addr)) | |
2998 | || bgp_nexthop_self(bgp, | |
2999 | attr->mp_nexthop_global_in)); | |
3000 | break; | |
3001 | ||
3002 | case BGP_ATTR_NHLEN_IPV6_GLOBAL: | |
3003 | case BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL: | |
3004 | case BGP_ATTR_NHLEN_VPNV6_GLOBAL: | |
3005 | ret = (IN6_IS_ADDR_UNSPECIFIED(&attr->mp_nexthop_global) | |
3006 | || IN6_IS_ADDR_LOOPBACK(&attr->mp_nexthop_global) | |
3007 | || IN6_IS_ADDR_MULTICAST( | |
5e76ce50 | 3008 | &attr->mp_nexthop_global)); |
d62a17ae | 3009 | break; |
3010 | ||
3011 | default: | |
3012 | ret = 1; | |
3013 | break; | |
3014 | } | |
3015 | } | |
c265ee22 | 3016 | |
d62a17ae | 3017 | return ret; |
3018 | } | |
3019 | ||
d7c0a89a | 3020 | int bgp_update(struct peer *peer, struct prefix *p, uint32_t addpath_id, |
d62a17ae | 3021 | struct attr *attr, afi_t afi, safi_t safi, int type, |
a4d82a8a | 3022 | int sub_type, struct prefix_rd *prd, mpls_label_t *label, |
d7c0a89a | 3023 | uint32_t num_labels, int soft_reconfig, |
a4d82a8a | 3024 | struct bgp_route_evpn *evpn) |
d62a17ae | 3025 | { |
3026 | int ret; | |
3027 | int aspath_loop_count = 0; | |
3028 | struct bgp_node *rn; | |
3029 | struct bgp *bgp; | |
3030 | struct attr new_attr; | |
3031 | struct attr *attr_new; | |
40381db7 | 3032 | struct bgp_path_info *pi; |
4b7e6066 DS |
3033 | struct bgp_path_info *new; |
3034 | struct bgp_path_info_extra *extra; | |
d62a17ae | 3035 | const char *reason; |
3036 | char pfx_buf[BGP_PRD_PATH_STRLEN]; | |
d62a17ae | 3037 | int connected = 0; |
3038 | int do_loop_check = 1; | |
3039 | int has_valid_label = 0; | |
65efcfce | 3040 | #if ENABLE_BGP_VNC |
d62a17ae | 3041 | int vnc_implicit_withdraw = 0; |
65efcfce | 3042 | #endif |
d62a17ae | 3043 | int same_attr = 0; |
718e3744 | 3044 | |
d62a17ae | 3045 | memset(&new_attr, 0, sizeof(struct attr)); |
3046 | new_attr.label_index = BGP_INVALID_LABEL_INDEX; | |
3047 | new_attr.label = MPLS_INVALID_LABEL; | |
f9a3a260 | 3048 | |
d62a17ae | 3049 | bgp = peer->bgp; |
3050 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
b57ba6d2 MK |
3051 | /* TODO: Check to see if we can get rid of "is_valid_label" */ |
3052 | if (afi == AFI_L2VPN && safi == SAFI_EVPN) | |
3053 | has_valid_label = (num_labels > 0) ? 1 : 0; | |
3054 | else | |
3055 | has_valid_label = bgp_is_valid_label(label); | |
718e3744 | 3056 | |
d62a17ae | 3057 | /* When peer's soft reconfiguration enabled. Record input packet in |
3058 | Adj-RIBs-In. */ | |
3059 | if (!soft_reconfig | |
3060 | && CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG) | |
3061 | && peer != bgp->peer_self) | |
3062 | bgp_adj_in_set(rn, peer, attr, addpath_id); | |
3063 | ||
3064 | /* Check previously received route. */ | |
6f94b685 | 3065 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
3066 | if (pi->peer == peer && pi->type == type |
3067 | && pi->sub_type == sub_type | |
3068 | && pi->addpath_rx_id == addpath_id) | |
d62a17ae | 3069 | break; |
3070 | ||
3071 | /* AS path local-as loop check. */ | |
3072 | if (peer->change_local_as) { | |
c4368918 DW |
3073 | if (peer->allowas_in[afi][safi]) |
3074 | aspath_loop_count = peer->allowas_in[afi][safi]; | |
a4d82a8a PZ |
3075 | else if (!CHECK_FLAG(peer->flags, |
3076 | PEER_FLAG_LOCAL_AS_NO_PREPEND)) | |
d62a17ae | 3077 | aspath_loop_count = 1; |
3078 | ||
3079 | if (aspath_loop_check(attr->aspath, peer->change_local_as) | |
3080 | > aspath_loop_count) { | |
b4d46cc9 | 3081 | peer->stat_pfx_aspath_loop++; |
d62a17ae | 3082 | reason = "as-path contains our own AS;"; |
3083 | goto filtered; | |
3084 | } | |
718e3744 | 3085 | } |
718e3744 | 3086 | |
d62a17ae | 3087 | /* If the peer is configured for "allowas-in origin" and the last ASN in |
3088 | * the | |
3089 | * as-path is our ASN then we do not need to call aspath_loop_check | |
3090 | */ | |
3091 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
3092 | if (aspath_get_last_as(attr->aspath) == bgp->as) | |
3093 | do_loop_check = 0; | |
3094 | ||
3095 | /* AS path loop check. */ | |
3096 | if (do_loop_check) { | |
3097 | if (aspath_loop_check(attr->aspath, bgp->as) | |
3098 | > peer->allowas_in[afi][safi] | |
3099 | || (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION) | |
3100 | && aspath_loop_check(attr->aspath, bgp->confed_id) | |
3101 | > peer->allowas_in[afi][safi])) { | |
b4d46cc9 | 3102 | peer->stat_pfx_aspath_loop++; |
d62a17ae | 3103 | reason = "as-path contains our own AS;"; |
3104 | goto filtered; | |
3105 | } | |
3106 | } | |
aac9ef6c | 3107 | |
d62a17ae | 3108 | /* Route reflector originator ID check. */ |
3109 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID) | |
3110 | && IPV4_ADDR_SAME(&bgp->router_id, &attr->originator_id)) { | |
b4d46cc9 | 3111 | peer->stat_pfx_originator_loop++; |
d62a17ae | 3112 | reason = "originator is us;"; |
3113 | goto filtered; | |
3114 | } | |
718e3744 | 3115 | |
d62a17ae | 3116 | /* Route reflector cluster ID check. */ |
3117 | if (bgp_cluster_filter(peer, attr)) { | |
b4d46cc9 | 3118 | peer->stat_pfx_cluster_loop++; |
d62a17ae | 3119 | reason = "reflected from the same cluster;"; |
3120 | goto filtered; | |
3121 | } | |
718e3744 | 3122 | |
d62a17ae | 3123 | /* Apply incoming filter. */ |
3124 | if (bgp_input_filter(peer, p, attr, afi, safi) == FILTER_DENY) { | |
b4d46cc9 | 3125 | peer->stat_pfx_filter++; |
d62a17ae | 3126 | reason = "filter;"; |
3127 | goto filtered; | |
3128 | } | |
718e3744 | 3129 | |
a8b72dc6 DA |
3130 | /* RFC 8212 to prevent route leaks. |
3131 | * This specification intends to improve this situation by requiring the | |
3132 | * explicit configuration of both BGP Import and Export Policies for any | |
3133 | * External BGP (EBGP) session such as customers, peers, or | |
3134 | * confederation boundaries for all enabled address families. Through | |
3135 | * codification of the aforementioned requirement, operators will | |
3136 | * benefit from consistent behavior across different BGP | |
3137 | * implementations. | |
3138 | */ | |
3139 | if (peer->bgp->ebgp_requires_policy == DEFAULT_EBGP_POLICY_ENABLED) | |
3140 | if (!bgp_inbound_policy_exists(peer, | |
3141 | &peer->filter[afi][safi])) { | |
3142 | reason = "inbound policy missing"; | |
3143 | goto filtered; | |
3144 | } | |
3145 | ||
d62a17ae | 3146 | bgp_attr_dup(&new_attr, attr); |
3147 | ||
3148 | /* Apply incoming route-map. | |
3149 | * NB: new_attr may now contain newly allocated values from route-map | |
3150 | * "set" | |
3151 | * commands, so we need bgp_attr_flush in the error paths, until we | |
3152 | * intern | |
3153 | * the attr (which takes over the memory references) */ | |
82b692c0 LK |
3154 | if (bgp_input_modifier(peer, p, &new_attr, afi, safi, NULL, |
3155 | label, num_labels) == RMAP_DENY) { | |
b4d46cc9 | 3156 | peer->stat_pfx_filter++; |
d62a17ae | 3157 | reason = "route-map;"; |
3158 | bgp_attr_flush(&new_attr); | |
3159 | goto filtered; | |
3160 | } | |
718e3744 | 3161 | |
05864da7 | 3162 | if (pi && pi->attr->rmap_table_id != new_attr.rmap_table_id) { |
1276ce38 PG |
3163 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) |
3164 | /* remove from RIB previous entry */ | |
3165 | bgp_zebra_withdraw(p, pi, bgp, safi); | |
3166 | } | |
3167 | ||
7f323236 DW |
3168 | if (peer->sort == BGP_PEER_EBGP) { |
3169 | ||
a4d82a8a PZ |
3170 | /* If we receive the graceful-shutdown community from an eBGP |
3171 | * peer we must lower local-preference */ | |
3172 | if (new_attr.community | |
3173 | && community_include(new_attr.community, COMMUNITY_GSHUT)) { | |
7f323236 DW |
3174 | new_attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); |
3175 | new_attr.local_pref = BGP_GSHUT_LOCAL_PREF; | |
3176 | ||
a4d82a8a PZ |
3177 | /* If graceful-shutdown is configured then add the GSHUT |
3178 | * community to all paths received from eBGP peers */ | |
3179 | } else if (bgp_flag_check(peer->bgp, | |
3180 | BGP_FLAG_GRACEFUL_SHUTDOWN)) { | |
7f323236 DW |
3181 | bgp_attr_add_gshut_community(&new_attr); |
3182 | } | |
3183 | } | |
3184 | ||
d62a17ae | 3185 | /* next hop check. */ |
a4d82a8a PZ |
3186 | if (!CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD) |
3187 | && bgp_update_martian_nexthop(bgp, afi, safi, &new_attr)) { | |
b4d46cc9 | 3188 | peer->stat_pfx_nh_invalid++; |
d62a17ae | 3189 | reason = "martian or self next-hop;"; |
3190 | bgp_attr_flush(&new_attr); | |
3191 | goto filtered; | |
3192 | } | |
718e3744 | 3193 | |
5c14a191 | 3194 | if (bgp_mac_entry_exists(p) || bgp_mac_exist(&attr->rmac)) { |
b4d46cc9 | 3195 | peer->stat_pfx_nh_invalid++; |
4e802e66 DS |
3196 | reason = "self mac;"; |
3197 | goto filtered; | |
3198 | } | |
3199 | ||
d62a17ae | 3200 | attr_new = bgp_attr_intern(&new_attr); |
3201 | ||
3202 | /* If the update is implicit withdraw. */ | |
40381db7 DS |
3203 | if (pi) { |
3204 | pi->uptime = bgp_clock(); | |
3205 | same_attr = attrhash_cmp(pi->attr, attr_new); | |
d62a17ae | 3206 | |
4a11bf2c DL |
3207 | hook_call(bgp_process, bgp, afi, safi, rn, peer, true); |
3208 | ||
d62a17ae | 3209 | /* Same attribute comes in. */ |
40381db7 DS |
3210 | if (!CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) |
3211 | && attrhash_cmp(pi->attr, attr_new) | |
d62a17ae | 3212 | && (!has_valid_label |
40381db7 | 3213 | || memcmp(&(bgp_path_info_extra_get(pi))->label, label, |
b57ba6d2 | 3214 | num_labels * sizeof(mpls_label_t)) |
d62a17ae | 3215 | == 0) |
3216 | && (overlay_index_equal( | |
40381db7 | 3217 | afi, pi, evpn == NULL ? NULL : &evpn->eth_s_id, |
d62a17ae | 3218 | evpn == NULL ? NULL : &evpn->gw_ip))) { |
3219 | if (CHECK_FLAG(bgp->af_flags[afi][safi], | |
3220 | BGP_CONFIG_DAMPENING) | |
3221 | && peer->sort == BGP_PEER_EBGP | |
40381db7 | 3222 | && CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) { |
d62a17ae | 3223 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3224 | bgp_debug_rdpfxpath2str( | |
a4d82a8a PZ |
3225 | afi, safi, prd, p, label, |
3226 | num_labels, addpath_id ? 1 : 0, | |
3227 | addpath_id, pfx_buf, | |
3228 | sizeof(pfx_buf)); | |
d62a17ae | 3229 | zlog_debug("%s rcvd %s", peer->host, |
3230 | pfx_buf); | |
3231 | } | |
3232 | ||
40381db7 | 3233 | if (bgp_damp_update(pi, rn, afi, safi) |
d62a17ae | 3234 | != BGP_DAMP_SUPPRESSED) { |
40381db7 | 3235 | bgp_aggregate_increment(bgp, p, pi, afi, |
d62a17ae | 3236 | safi); |
3237 | bgp_process(bgp, rn, afi, safi); | |
3238 | } | |
3239 | } else /* Duplicate - odd */ | |
3240 | { | |
3241 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
3242 | if (!peer->rcvd_attr_printed) { | |
3243 | zlog_debug( | |
3244 | "%s rcvd UPDATE w/ attr: %s", | |
3245 | peer->host, | |
3246 | peer->rcvd_attr_str); | |
3247 | peer->rcvd_attr_printed = 1; | |
3248 | } | |
3249 | ||
3250 | bgp_debug_rdpfxpath2str( | |
a4d82a8a PZ |
3251 | afi, safi, prd, p, label, |
3252 | num_labels, addpath_id ? 1 : 0, | |
3253 | addpath_id, pfx_buf, | |
3254 | sizeof(pfx_buf)); | |
d62a17ae | 3255 | zlog_debug( |
3256 | "%s rcvd %s...duplicate ignored", | |
3257 | peer->host, pfx_buf); | |
3258 | } | |
3259 | ||
3260 | /* graceful restart STALE flag unset. */ | |
40381db7 | 3261 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) { |
18ee8310 | 3262 | bgp_path_info_unset_flag( |
40381db7 | 3263 | rn, pi, BGP_PATH_STALE); |
d62a17ae | 3264 | bgp_process(bgp, rn, afi, safi); |
3265 | } | |
3266 | } | |
3267 | ||
3268 | bgp_unlock_node(rn); | |
3269 | bgp_attr_unintern(&attr_new); | |
3270 | ||
3271 | return 0; | |
3272 | } | |
718e3744 | 3273 | |
d62a17ae | 3274 | /* Withdraw/Announce before we fully processed the withdraw */ |
40381db7 | 3275 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) { |
d62a17ae | 3276 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3277 | bgp_debug_rdpfxpath2str( | |
a4d82a8a | 3278 | afi, safi, prd, p, label, num_labels, |
d62a17ae | 3279 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3280 | sizeof(pfx_buf)); | |
3281 | zlog_debug( | |
3282 | "%s rcvd %s, flapped quicker than processing", | |
3283 | peer->host, pfx_buf); | |
3284 | } | |
3285 | ||
40381db7 | 3286 | bgp_path_info_restore(rn, pi); |
d62a17ae | 3287 | } |
718e3744 | 3288 | |
d62a17ae | 3289 | /* Received Logging. */ |
3290 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a PZ |
3291 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, |
3292 | num_labels, addpath_id ? 1 : 0, | |
3293 | addpath_id, pfx_buf, | |
3294 | sizeof(pfx_buf)); | |
d62a17ae | 3295 | zlog_debug("%s rcvd %s", peer->host, pfx_buf); |
3296 | } | |
718e3744 | 3297 | |
d62a17ae | 3298 | /* graceful restart STALE flag unset. */ |
40381db7 DS |
3299 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) |
3300 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_STALE); | |
d62a17ae | 3301 | |
3302 | /* The attribute is changed. */ | |
40381db7 | 3303 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 3304 | |
3305 | /* implicit withdraw, decrement aggregate and pcount here. | |
3306 | * only if update is accepted, they'll increment below. | |
3307 | */ | |
40381db7 | 3308 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
d62a17ae | 3309 | |
3310 | /* Update bgp route dampening information. */ | |
3311 | if (CHECK_FLAG(bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
3312 | && peer->sort == BGP_PEER_EBGP) { | |
3313 | /* This is implicit withdraw so we should update | |
3314 | dampening | |
3315 | information. */ | |
40381db7 DS |
3316 | if (!CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) |
3317 | bgp_damp_withdraw(pi, rn, afi, safi, 1); | |
d62a17ae | 3318 | } |
65efcfce | 3319 | #if ENABLE_BGP_VNC |
d62a17ae | 3320 | if (safi == SAFI_MPLS_VPN) { |
3321 | struct bgp_node *prn = NULL; | |
3322 | struct bgp_table *table = NULL; | |
3323 | ||
3324 | prn = bgp_node_get(bgp->rib[afi][safi], | |
3325 | (struct prefix *)prd); | |
67009e22 DS |
3326 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3327 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3328 | |
3329 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
40381db7 | 3330 | bgp, prd, table, p, pi); |
d62a17ae | 3331 | } |
3332 | bgp_unlock_node(prn); | |
3333 | } | |
3334 | if ((afi == AFI_IP || afi == AFI_IP6) | |
3335 | && (safi == SAFI_UNICAST)) { | |
40381db7 | 3336 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 3337 | /* |
3338 | * Implicit withdraw case. | |
3339 | */ | |
3340 | ++vnc_implicit_withdraw; | |
40381db7 DS |
3341 | vnc_import_bgp_del_route(bgp, p, pi); |
3342 | vnc_import_bgp_exterior_del_route(bgp, p, pi); | |
d62a17ae | 3343 | } |
3344 | } | |
65efcfce | 3345 | #endif |
128ea8ab | 3346 | |
d62a17ae | 3347 | /* Special handling for EVPN update of an existing route. If the |
3348 | * extended community attribute has changed, we need to | |
3349 | * un-import | |
3350 | * the route using its existing extended community. It will be | |
3351 | * subsequently processed for import with the new extended | |
3352 | * community. | |
3353 | */ | |
3354 | if (safi == SAFI_EVPN && !same_attr) { | |
40381db7 | 3355 | if ((pi->attr->flag |
d62a17ae | 3356 | & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) |
3357 | && (attr_new->flag | |
3358 | & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES))) { | |
3359 | int cmp; | |
3360 | ||
40381db7 | 3361 | cmp = ecommunity_cmp(pi->attr->ecommunity, |
d62a17ae | 3362 | attr_new->ecommunity); |
3363 | if (!cmp) { | |
3364 | if (bgp_debug_update(peer, p, NULL, 1)) | |
3365 | zlog_debug( | |
3366 | "Change in EXT-COMM, existing %s new %s", | |
3367 | ecommunity_str( | |
40381db7 | 3368 | pi->attr->ecommunity), |
d62a17ae | 3369 | ecommunity_str( |
3370 | attr_new->ecommunity)); | |
3371 | bgp_evpn_unimport_route(bgp, afi, safi, | |
40381db7 | 3372 | p, pi); |
d62a17ae | 3373 | } |
3374 | } | |
3375 | } | |
718e3744 | 3376 | |
d62a17ae | 3377 | /* Update to new attribute. */ |
40381db7 DS |
3378 | bgp_attr_unintern(&pi->attr); |
3379 | pi->attr = attr_new; | |
d62a17ae | 3380 | |
3381 | /* Update MPLS label */ | |
3382 | if (has_valid_label) { | |
40381db7 | 3383 | extra = bgp_path_info_extra_get(pi); |
8ba71050 NS |
3384 | if (extra->label != label) { |
3385 | memcpy(&extra->label, label, | |
dbd587da | 3386 | num_labels * sizeof(mpls_label_t)); |
8ba71050 NS |
3387 | extra->num_labels = num_labels; |
3388 | } | |
b57ba6d2 MK |
3389 | if (!(afi == AFI_L2VPN && safi == SAFI_EVPN)) |
3390 | bgp_set_valid_label(&extra->label[0]); | |
fc9a856f | 3391 | } |
718e3744 | 3392 | |
65efcfce | 3393 | #if ENABLE_BGP_VNC |
d62a17ae | 3394 | if ((afi == AFI_IP || afi == AFI_IP6) |
3395 | && (safi == SAFI_UNICAST)) { | |
3396 | if (vnc_implicit_withdraw) { | |
3397 | /* | |
3398 | * Add back the route with its new attributes | |
3399 | * (e.g., nexthop). | |
3400 | * The route is still selected, until the route | |
3401 | * selection | |
3402 | * queued by bgp_process actually runs. We have | |
3403 | * to make this | |
3404 | * update to the VNC side immediately to avoid | |
3405 | * racing against | |
3406 | * configuration changes (e.g., route-map | |
3407 | * changes) which | |
3408 | * trigger re-importation of the entire RIB. | |
3409 | */ | |
40381db7 DS |
3410 | vnc_import_bgp_add_route(bgp, p, pi); |
3411 | vnc_import_bgp_exterior_add_route(bgp, p, pi); | |
d62a17ae | 3412 | } |
3413 | } | |
65efcfce | 3414 | #endif |
d62a17ae | 3415 | /* Update Overlay Index */ |
3416 | if (afi == AFI_L2VPN) { | |
3417 | overlay_index_update( | |
40381db7 | 3418 | pi->attr, evpn == NULL ? NULL : &evpn->eth_s_id, |
d62a17ae | 3419 | evpn == NULL ? NULL : &evpn->gw_ip); |
3420 | } | |
65efcfce | 3421 | |
d62a17ae | 3422 | /* Update bgp route dampening information. */ |
3423 | if (CHECK_FLAG(bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
3424 | && peer->sort == BGP_PEER_EBGP) { | |
3425 | /* Now we do normal update dampening. */ | |
40381db7 | 3426 | ret = bgp_damp_update(pi, rn, afi, safi); |
d62a17ae | 3427 | if (ret == BGP_DAMP_SUPPRESSED) { |
3428 | bgp_unlock_node(rn); | |
3429 | return 0; | |
3430 | } | |
3431 | } | |
128ea8ab | 3432 | |
d62a17ae | 3433 | /* Nexthop reachability check - for unicast and |
3434 | * labeled-unicast.. */ | |
3435 | if ((afi == AFI_IP || afi == AFI_IP6) | |
3436 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) { | |
3437 | if (peer->sort == BGP_PEER_EBGP && peer->ttl == 1 | |
3438 | && !CHECK_FLAG(peer->flags, | |
3439 | PEER_FLAG_DISABLE_CONNECTED_CHECK) | |
3440 | && !bgp_flag_check( | |
3441 | bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK)) | |
3442 | connected = 1; | |
3443 | else | |
3444 | connected = 0; | |
3445 | ||
960035b2 PZ |
3446 | struct bgp *bgp_nexthop = bgp; |
3447 | ||
40381db7 DS |
3448 | if (pi->extra && pi->extra->bgp_orig) |
3449 | bgp_nexthop = pi->extra->bgp_orig; | |
960035b2 | 3450 | |
40381db7 DS |
3451 | if (bgp_find_or_add_nexthop(bgp, bgp_nexthop, afi, pi, |
3452 | NULL, connected) | |
a4d82a8a | 3453 | || CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD)) |
40381db7 | 3454 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); |
d62a17ae | 3455 | else { |
3456 | if (BGP_DEBUG(nht, NHT)) { | |
3457 | char buf1[INET6_ADDRSTRLEN]; | |
3458 | inet_ntop(AF_INET, | |
3459 | (const void *)&attr_new | |
3460 | ->nexthop, | |
3461 | buf1, INET6_ADDRSTRLEN); | |
3462 | zlog_debug("%s(%s): NH unresolved", | |
3463 | __FUNCTION__, buf1); | |
3464 | } | |
40381db7 | 3465 | bgp_path_info_unset_flag(rn, pi, |
18ee8310 | 3466 | BGP_PATH_VALID); |
d62a17ae | 3467 | } |
3468 | } else | |
40381db7 | 3469 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); |
d62a17ae | 3470 | |
3471 | #if ENABLE_BGP_VNC | |
3472 | if (safi == SAFI_MPLS_VPN) { | |
3473 | struct bgp_node *prn = NULL; | |
3474 | struct bgp_table *table = NULL; | |
3475 | ||
3476 | prn = bgp_node_get(bgp->rib[afi][safi], | |
3477 | (struct prefix *)prd); | |
67009e22 DS |
3478 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3479 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3480 | |
3481 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
40381db7 | 3482 | bgp, prd, table, p, pi); |
d62a17ae | 3483 | } |
3484 | bgp_unlock_node(prn); | |
3485 | } | |
3486 | #endif | |
718e3744 | 3487 | |
d62a17ae | 3488 | /* If this is an EVPN route and some attribute has changed, |
3489 | * process | |
3490 | * route for import. If the extended community has changed, we | |
3491 | * would | |
3492 | * have done the un-import earlier and the import would result | |
3493 | * in the | |
3494 | * route getting injected into appropriate L2 VNIs. If it is | |
3495 | * just | |
3496 | * some other attribute change, the import will result in | |
3497 | * updating | |
3498 | * the attributes for the route in the VNI(s). | |
3499 | */ | |
3500 | if (safi == SAFI_EVPN && !same_attr) | |
40381db7 | 3501 | bgp_evpn_import_route(bgp, afi, safi, p, pi); |
d62a17ae | 3502 | |
3503 | /* Process change. */ | |
40381db7 | 3504 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 3505 | |
3506 | bgp_process(bgp, rn, afi, safi); | |
3507 | bgp_unlock_node(rn); | |
558d1fec | 3508 | |
ddb5b488 PZ |
3509 | if (SAFI_UNICAST == safi |
3510 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3511 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3512 | ||
40381db7 | 3513 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
3514 | } |
3515 | if ((SAFI_MPLS_VPN == safi) | |
3516 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3517 | ||
40381db7 | 3518 | vpn_leak_to_vrf_update(bgp, pi); |
ddb5b488 PZ |
3519 | } |
3520 | ||
28070ee3 | 3521 | #if ENABLE_BGP_VNC |
d62a17ae | 3522 | if (SAFI_MPLS_VPN == safi) { |
3523 | mpls_label_t label_decoded = decode_label(label); | |
28070ee3 | 3524 | |
d62a17ae | 3525 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, |
3526 | type, sub_type, &label_decoded); | |
3527 | } | |
3528 | if (SAFI_ENCAP == safi) { | |
3529 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, | |
3530 | type, sub_type, NULL); | |
3531 | } | |
28070ee3 PZ |
3532 | #endif |
3533 | ||
d62a17ae | 3534 | return 0; |
3535 | } // End of implicit withdraw | |
718e3744 | 3536 | |
d62a17ae | 3537 | /* Received Logging. */ |
3538 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
3539 | if (!peer->rcvd_attr_printed) { | |
3540 | zlog_debug("%s rcvd UPDATE w/ attr: %s", peer->host, | |
3541 | peer->rcvd_attr_str); | |
3542 | peer->rcvd_attr_printed = 1; | |
3543 | } | |
718e3744 | 3544 | |
a4d82a8a | 3545 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3546 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3547 | sizeof(pfx_buf)); | |
3548 | zlog_debug("%s rcvd %s", peer->host, pfx_buf); | |
3549 | } | |
718e3744 | 3550 | |
d62a17ae | 3551 | /* Make new BGP info. */ |
3552 | new = info_make(type, sub_type, 0, peer, attr_new, rn); | |
718e3744 | 3553 | |
d62a17ae | 3554 | /* Update MPLS label */ |
3555 | if (has_valid_label) { | |
18ee8310 | 3556 | extra = bgp_path_info_extra_get(new); |
8ba71050 | 3557 | if (extra->label != label) { |
dbd587da QY |
3558 | memcpy(&extra->label, label, |
3559 | num_labels * sizeof(mpls_label_t)); | |
8ba71050 NS |
3560 | extra->num_labels = num_labels; |
3561 | } | |
b57ba6d2 MK |
3562 | if (!(afi == AFI_L2VPN && safi == SAFI_EVPN)) |
3563 | bgp_set_valid_label(&extra->label[0]); | |
fc9a856f | 3564 | } |
718e3744 | 3565 | |
d62a17ae | 3566 | /* Update Overlay Index */ |
3567 | if (afi == AFI_L2VPN) { | |
3568 | overlay_index_update(new->attr, | |
3569 | evpn == NULL ? NULL : &evpn->eth_s_id, | |
3570 | evpn == NULL ? NULL : &evpn->gw_ip); | |
3571 | } | |
3572 | /* Nexthop reachability check. */ | |
3573 | if ((afi == AFI_IP || afi == AFI_IP6) | |
3574 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) { | |
3575 | if (peer->sort == BGP_PEER_EBGP && peer->ttl == 1 | |
3576 | && !CHECK_FLAG(peer->flags, | |
3577 | PEER_FLAG_DISABLE_CONNECTED_CHECK) | |
3578 | && !bgp_flag_check(bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK)) | |
3579 | connected = 1; | |
3580 | else | |
3581 | connected = 0; | |
3582 | ||
960035b2 | 3583 | if (bgp_find_or_add_nexthop(bgp, bgp, afi, new, NULL, connected) |
a4d82a8a | 3584 | || CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD)) |
18ee8310 | 3585 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 3586 | else { |
3587 | if (BGP_DEBUG(nht, NHT)) { | |
3588 | char buf1[INET6_ADDRSTRLEN]; | |
3589 | inet_ntop(AF_INET, | |
3590 | (const void *)&attr_new->nexthop, | |
3591 | buf1, INET6_ADDRSTRLEN); | |
3592 | zlog_debug("%s(%s): NH unresolved", | |
3593 | __FUNCTION__, buf1); | |
3594 | } | |
18ee8310 | 3595 | bgp_path_info_unset_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 3596 | } |
3597 | } else | |
18ee8310 | 3598 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
a82478b9 | 3599 | |
d62a17ae | 3600 | /* Addpath ID */ |
3601 | new->addpath_rx_id = addpath_id; | |
3602 | ||
3603 | /* Increment prefix */ | |
3604 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
3605 | ||
3606 | /* Register new BGP information. */ | |
18ee8310 | 3607 | bgp_path_info_add(rn, new); |
d62a17ae | 3608 | |
3609 | /* route_node_get lock */ | |
3610 | bgp_unlock_node(rn); | |
558d1fec | 3611 | |
65efcfce | 3612 | #if ENABLE_BGP_VNC |
d62a17ae | 3613 | if (safi == SAFI_MPLS_VPN) { |
3614 | struct bgp_node *prn = NULL; | |
3615 | struct bgp_table *table = NULL; | |
3616 | ||
3617 | prn = bgp_node_get(bgp->rib[afi][safi], (struct prefix *)prd); | |
67009e22 DS |
3618 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3619 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3620 | |
3621 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
3622 | bgp, prd, table, p, new); | |
3623 | } | |
3624 | bgp_unlock_node(prn); | |
3625 | } | |
65efcfce LB |
3626 | #endif |
3627 | ||
d62a17ae | 3628 | /* If maximum prefix count is configured and current prefix |
3629 | count exeed it. */ | |
3630 | if (bgp_maximum_prefix_overflow(peer, afi, safi, 0)) | |
3631 | return -1; | |
718e3744 | 3632 | |
d62a17ae | 3633 | /* If this is an EVPN route, process for import. */ |
3634 | if (safi == SAFI_EVPN) | |
3635 | bgp_evpn_import_route(bgp, afi, safi, p, new); | |
128ea8ab | 3636 | |
4a11bf2c DL |
3637 | hook_call(bgp_process, bgp, afi, safi, rn, peer, false); |
3638 | ||
d62a17ae | 3639 | /* Process change. */ |
3640 | bgp_process(bgp, rn, afi, safi); | |
718e3744 | 3641 | |
ddb5b488 PZ |
3642 | if (SAFI_UNICAST == safi |
3643 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3644 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3645 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
3646 | } | |
3647 | if ((SAFI_MPLS_VPN == safi) | |
3648 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3649 | ||
3650 | vpn_leak_to_vrf_update(bgp, new); | |
3651 | } | |
28070ee3 | 3652 | #if ENABLE_BGP_VNC |
d62a17ae | 3653 | if (SAFI_MPLS_VPN == safi) { |
3654 | mpls_label_t label_decoded = decode_label(label); | |
28070ee3 | 3655 | |
d62a17ae | 3656 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, type, |
3657 | sub_type, &label_decoded); | |
3658 | } | |
3659 | if (SAFI_ENCAP == safi) { | |
3660 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, type, | |
3661 | sub_type, NULL); | |
3662 | } | |
28070ee3 PZ |
3663 | #endif |
3664 | ||
d62a17ae | 3665 | return 0; |
718e3744 | 3666 | |
d62a17ae | 3667 | /* This BGP update is filtered. Log the reason then update BGP |
3668 | entry. */ | |
3669 | filtered: | |
4a11bf2c DL |
3670 | hook_call(bgp_process, bgp, afi, safi, rn, peer, true); |
3671 | ||
d62a17ae | 3672 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3673 | if (!peer->rcvd_attr_printed) { | |
3674 | zlog_debug("%s rcvd UPDATE w/ attr: %s", peer->host, | |
3675 | peer->rcvd_attr_str); | |
3676 | peer->rcvd_attr_printed = 1; | |
3677 | } | |
718e3744 | 3678 | |
a4d82a8a | 3679 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3680 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3681 | sizeof(pfx_buf)); | |
3682 | zlog_debug("%s rcvd UPDATE about %s -- DENIED due to: %s", | |
3683 | peer->host, pfx_buf, reason); | |
3684 | } | |
128ea8ab | 3685 | |
40381db7 | 3686 | if (pi) { |
d62a17ae | 3687 | /* If this is an EVPN route, un-import it as it is now filtered. |
3688 | */ | |
3689 | if (safi == SAFI_EVPN) | |
40381db7 | 3690 | bgp_evpn_unimport_route(bgp, afi, safi, p, pi); |
718e3744 | 3691 | |
ddb5b488 PZ |
3692 | if (SAFI_UNICAST == safi |
3693 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3694 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3695 | ||
40381db7 | 3696 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
3697 | } |
3698 | if ((SAFI_MPLS_VPN == safi) | |
3699 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3700 | ||
40381db7 | 3701 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 PZ |
3702 | } |
3703 | ||
40381db7 | 3704 | bgp_rib_remove(rn, pi, peer, afi, safi); |
d62a17ae | 3705 | } |
3706 | ||
3707 | bgp_unlock_node(rn); | |
558d1fec | 3708 | |
97736e32 | 3709 | #if ENABLE_BGP_VNC |
d62a17ae | 3710 | /* |
3711 | * Filtered update is treated as an implicit withdrawal (see | |
3712 | * bgp_rib_remove() | |
3713 | * a few lines above) | |
3714 | */ | |
3715 | if ((SAFI_MPLS_VPN == safi) || (SAFI_ENCAP == safi)) { | |
3716 | rfapiProcessWithdraw(peer, NULL, p, prd, NULL, afi, safi, type, | |
3717 | 0); | |
3718 | } | |
97736e32 PZ |
3719 | #endif |
3720 | ||
d62a17ae | 3721 | return 0; |
718e3744 | 3722 | } |
3723 | ||
d7c0a89a | 3724 | int bgp_withdraw(struct peer *peer, struct prefix *p, uint32_t addpath_id, |
d62a17ae | 3725 | struct attr *attr, afi_t afi, safi_t safi, int type, |
a4d82a8a | 3726 | int sub_type, struct prefix_rd *prd, mpls_label_t *label, |
d7c0a89a | 3727 | uint32_t num_labels, struct bgp_route_evpn *evpn) |
718e3744 | 3728 | { |
d62a17ae | 3729 | struct bgp *bgp; |
3730 | char pfx_buf[BGP_PRD_PATH_STRLEN]; | |
3731 | struct bgp_node *rn; | |
40381db7 | 3732 | struct bgp_path_info *pi; |
718e3744 | 3733 | |
28070ee3 | 3734 | #if ENABLE_BGP_VNC |
d62a17ae | 3735 | if ((SAFI_MPLS_VPN == safi) || (SAFI_ENCAP == safi)) { |
3736 | rfapiProcessWithdraw(peer, NULL, p, prd, NULL, afi, safi, type, | |
3737 | 0); | |
3738 | } | |
28070ee3 PZ |
3739 | #endif |
3740 | ||
d62a17ae | 3741 | bgp = peer->bgp; |
3742 | ||
3743 | /* Lookup node. */ | |
3744 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
3745 | ||
3746 | /* If peer is soft reconfiguration enabled. Record input packet for | |
3747 | * further calculation. | |
3748 | * | |
3749 | * Cisco IOS 12.4(24)T4 on session establishment sends withdraws for all | |
3750 | * routes that are filtered. This tanks out Quagga RS pretty badly due | |
3751 | * to | |
3752 | * the iteration over all RS clients. | |
3753 | * Since we need to remove the entry from adj_in anyway, do that first | |
3754 | * and | |
3755 | * if there was no entry, we don't need to do anything more. | |
3756 | */ | |
3757 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG) | |
3758 | && peer != bgp->peer_self) | |
3759 | if (!bgp_adj_in_unset(rn, peer, addpath_id)) { | |
b4d46cc9 DL |
3760 | peer->stat_pfx_dup_withdraw++; |
3761 | ||
d62a17ae | 3762 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3763 | bgp_debug_rdpfxpath2str( | |
a4d82a8a | 3764 | afi, safi, prd, p, label, num_labels, |
d62a17ae | 3765 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3766 | sizeof(pfx_buf)); | |
3767 | zlog_debug( | |
3768 | "%s withdrawing route %s not in adj-in", | |
3769 | peer->host, pfx_buf); | |
3770 | } | |
3771 | bgp_unlock_node(rn); | |
3772 | return 0; | |
3773 | } | |
cd808e74 | 3774 | |
d62a17ae | 3775 | /* Lookup withdrawn route. */ |
6f94b685 | 3776 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
3777 | if (pi->peer == peer && pi->type == type |
3778 | && pi->sub_type == sub_type | |
3779 | && pi->addpath_rx_id == addpath_id) | |
d62a17ae | 3780 | break; |
3781 | ||
3782 | /* Logging. */ | |
3783 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a | 3784 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3785 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3786 | sizeof(pfx_buf)); | |
3787 | zlog_debug("%s rcvd UPDATE about %s -- withdrawn", peer->host, | |
3788 | pfx_buf); | |
3789 | } | |
718e3744 | 3790 | |
d62a17ae | 3791 | /* Withdraw specified route from routing table. */ |
40381db7 DS |
3792 | if (pi && !CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) { |
3793 | bgp_rib_withdraw(rn, pi, peer, afi, safi, prd); | |
ddb5b488 PZ |
3794 | if (SAFI_UNICAST == safi |
3795 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3796 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
40381db7 | 3797 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
3798 | } |
3799 | if ((SAFI_MPLS_VPN == safi) | |
3800 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3801 | ||
40381db7 | 3802 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 PZ |
3803 | } |
3804 | } else if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a | 3805 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3806 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3807 | sizeof(pfx_buf)); | |
3808 | zlog_debug("%s Can't find the route %s", peer->host, pfx_buf); | |
3809 | } | |
718e3744 | 3810 | |
d62a17ae | 3811 | /* Unlock bgp_node_get() lock. */ |
3812 | bgp_unlock_node(rn); | |
3813 | ||
3814 | return 0; | |
718e3744 | 3815 | } |
6b0655a2 | 3816 | |
d62a17ae | 3817 | void bgp_default_originate(struct peer *peer, afi_t afi, safi_t safi, |
3818 | int withdraw) | |
718e3744 | 3819 | { |
d62a17ae | 3820 | struct update_subgroup *subgrp; |
3821 | subgrp = peer_subgroup(peer, afi, safi); | |
3822 | subgroup_default_originate(subgrp, withdraw); | |
3f9c7369 | 3823 | } |
6182d65b | 3824 | |
718e3744 | 3825 | |
3f9c7369 DS |
3826 | /* |
3827 | * bgp_stop_announce_route_timer | |
3828 | */ | |
d62a17ae | 3829 | void bgp_stop_announce_route_timer(struct peer_af *paf) |
3f9c7369 | 3830 | { |
d62a17ae | 3831 | if (!paf->t_announce_route) |
3832 | return; | |
3833 | ||
3834 | THREAD_TIMER_OFF(paf->t_announce_route); | |
718e3744 | 3835 | } |
6b0655a2 | 3836 | |
3f9c7369 DS |
3837 | /* |
3838 | * bgp_announce_route_timer_expired | |
3839 | * | |
3840 | * Callback that is invoked when the route announcement timer for a | |
3841 | * peer_af expires. | |
3842 | */ | |
d62a17ae | 3843 | static int bgp_announce_route_timer_expired(struct thread *t) |
718e3744 | 3844 | { |
d62a17ae | 3845 | struct peer_af *paf; |
3846 | struct peer *peer; | |
558d1fec | 3847 | |
d62a17ae | 3848 | paf = THREAD_ARG(t); |
3849 | peer = paf->peer; | |
718e3744 | 3850 | |
d62a17ae | 3851 | if (peer->status != Established) |
3852 | return 0; | |
3f9c7369 | 3853 | |
d62a17ae | 3854 | if (!peer->afc_nego[paf->afi][paf->safi]) |
3855 | return 0; | |
3f9c7369 | 3856 | |
d62a17ae | 3857 | peer_af_announce_route(paf, 1); |
3858 | return 0; | |
718e3744 | 3859 | } |
3860 | ||
3f9c7369 DS |
3861 | /* |
3862 | * bgp_announce_route | |
3863 | * | |
3864 | * *Triggers* announcement of routes of a given AFI/SAFI to a peer. | |
3865 | */ | |
d62a17ae | 3866 | void bgp_announce_route(struct peer *peer, afi_t afi, safi_t safi) |
3867 | { | |
3868 | struct peer_af *paf; | |
3869 | struct update_subgroup *subgrp; | |
3870 | ||
3871 | paf = peer_af_find(peer, afi, safi); | |
3872 | if (!paf) | |
3873 | return; | |
3874 | subgrp = PAF_SUBGRP(paf); | |
3875 | ||
3876 | /* | |
3877 | * Ignore if subgroup doesn't exist (implies AF is not negotiated) | |
3878 | * or a refresh has already been triggered. | |
3879 | */ | |
3880 | if (!subgrp || paf->t_announce_route) | |
3881 | return; | |
3882 | ||
3883 | /* | |
3884 | * Start a timer to stagger/delay the announce. This serves | |
3885 | * two purposes - announcement can potentially be combined for | |
3886 | * multiple peers and the announcement doesn't happen in the | |
3887 | * vty context. | |
3888 | */ | |
3889 | thread_add_timer_msec(bm->master, bgp_announce_route_timer_expired, paf, | |
3890 | (subgrp->peer_count == 1) | |
3891 | ? BGP_ANNOUNCE_ROUTE_SHORT_DELAY_MS | |
3892 | : BGP_ANNOUNCE_ROUTE_DELAY_MS, | |
3893 | &paf->t_announce_route); | |
3f9c7369 DS |
3894 | } |
3895 | ||
3896 | /* | |
3897 | * Announce routes from all AF tables to a peer. | |
3898 | * | |
3899 | * This should ONLY be called when there is a need to refresh the | |
3900 | * routes to the peer based on a policy change for this peer alone | |
3901 | * or a route refresh request received from the peer. | |
3902 | * The operation will result in splitting the peer from its existing | |
3903 | * subgroups and putting it in new subgroups. | |
3904 | */ | |
d62a17ae | 3905 | void bgp_announce_route_all(struct peer *peer) |
718e3744 | 3906 | { |
d62a17ae | 3907 | afi_t afi; |
3908 | safi_t safi; | |
3909 | ||
05c7a1cc QY |
3910 | FOREACH_AFI_SAFI (afi, safi) |
3911 | bgp_announce_route(peer, afi, safi); | |
718e3744 | 3912 | } |
6b0655a2 | 3913 | |
d62a17ae | 3914 | static void bgp_soft_reconfig_table(struct peer *peer, afi_t afi, safi_t safi, |
3915 | struct bgp_table *table, | |
3916 | struct prefix_rd *prd) | |
718e3744 | 3917 | { |
d62a17ae | 3918 | int ret; |
3919 | struct bgp_node *rn; | |
3920 | struct bgp_adj_in *ain; | |
718e3744 | 3921 | |
d62a17ae | 3922 | if (!table) |
3923 | table = peer->bgp->rib[afi][safi]; | |
718e3744 | 3924 | |
d62a17ae | 3925 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) |
3926 | for (ain = rn->adj_in; ain; ain = ain->next) { | |
ea47320b DL |
3927 | if (ain->peer != peer) |
3928 | continue; | |
8692c506 | 3929 | |
d7d15889 | 3930 | struct bgp_path_info *pi; |
d7c0a89a | 3931 | uint32_t num_labels = 0; |
b57ba6d2 | 3932 | mpls_label_t *label_pnt = NULL; |
8cb687c2 | 3933 | struct bgp_route_evpn evpn; |
b57ba6d2 | 3934 | |
d7d15889 DS |
3935 | for (pi = bgp_node_get_bgp_path_info(rn); pi; |
3936 | pi = pi->next) | |
3937 | if (pi->peer == peer) | |
3938 | break; | |
3939 | ||
40381db7 DS |
3940 | if (pi && pi->extra) |
3941 | num_labels = pi->extra->num_labels; | |
b57ba6d2 | 3942 | if (num_labels) |
40381db7 | 3943 | label_pnt = &pi->extra->label[0]; |
8cb687c2 DS |
3944 | if (pi) |
3945 | memcpy(&evpn, &pi->attr->evpn_overlay, | |
3946 | sizeof(evpn)); | |
3947 | else | |
3948 | memset(&evpn, 0, sizeof(evpn)); | |
8692c506 | 3949 | |
ea47320b DL |
3950 | ret = bgp_update(peer, &rn->p, ain->addpath_rx_id, |
3951 | ain->attr, afi, safi, ZEBRA_ROUTE_BGP, | |
a4d82a8a | 3952 | BGP_ROUTE_NORMAL, prd, label_pnt, |
8cb687c2 | 3953 | num_labels, 1, &evpn); |
ea47320b DL |
3954 | |
3955 | if (ret < 0) { | |
3956 | bgp_unlock_node(rn); | |
3957 | return; | |
d62a17ae | 3958 | } |
3959 | } | |
718e3744 | 3960 | } |
3961 | ||
d62a17ae | 3962 | void bgp_soft_reconfig_in(struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 3963 | { |
d62a17ae | 3964 | struct bgp_node *rn; |
3965 | struct bgp_table *table; | |
718e3744 | 3966 | |
d62a17ae | 3967 | if (peer->status != Established) |
3968 | return; | |
718e3744 | 3969 | |
d62a17ae | 3970 | if ((safi != SAFI_MPLS_VPN) && (safi != SAFI_ENCAP) |
3971 | && (safi != SAFI_EVPN)) | |
3972 | bgp_soft_reconfig_table(peer, afi, safi, NULL, NULL); | |
3973 | else | |
3974 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
67009e22 DS |
3975 | rn = bgp_route_next(rn)) { |
3976 | table = bgp_node_get_bgp_table_info(rn); | |
3977 | if (table != NULL) { | |
d62a17ae | 3978 | struct prefix_rd prd; |
67009e22 | 3979 | |
d62a17ae | 3980 | prd.family = AF_UNSPEC; |
3981 | prd.prefixlen = 64; | |
3982 | memcpy(&prd.val, rn->p.u.val, 8); | |
8692c506 | 3983 | |
d62a17ae | 3984 | bgp_soft_reconfig_table(peer, afi, safi, table, |
3985 | &prd); | |
3986 | } | |
67009e22 | 3987 | } |
718e3744 | 3988 | } |
6b0655a2 | 3989 | |
228da428 | 3990 | |
d62a17ae | 3991 | struct bgp_clear_node_queue { |
3992 | struct bgp_node *rn; | |
228da428 CC |
3993 | }; |
3994 | ||
d62a17ae | 3995 | static wq_item_status bgp_clear_route_node(struct work_queue *wq, void *data) |
200df115 | 3996 | { |
d62a17ae | 3997 | struct bgp_clear_node_queue *cnq = data; |
3998 | struct bgp_node *rn = cnq->rn; | |
3999 | struct peer *peer = wq->spec.data; | |
40381db7 | 4000 | struct bgp_path_info *pi; |
3103e8d2 | 4001 | struct bgp *bgp; |
d62a17ae | 4002 | afi_t afi = bgp_node_table(rn)->afi; |
4003 | safi_t safi = bgp_node_table(rn)->safi; | |
4004 | ||
4005 | assert(rn && peer); | |
3103e8d2 | 4006 | bgp = peer->bgp; |
d62a17ae | 4007 | |
4008 | /* It is possible that we have multiple paths for a prefix from a peer | |
4009 | * if that peer is using AddPath. | |
4010 | */ | |
6f94b685 | 4011 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 4012 | if (pi->peer != peer) |
ea47320b DL |
4013 | continue; |
4014 | ||
4015 | /* graceful restart STALE flag set. */ | |
4016 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_NSF_WAIT) | |
4017 | && peer->nsf[afi][safi] | |
40381db7 DS |
4018 | && !CHECK_FLAG(pi->flags, BGP_PATH_STALE) |
4019 | && !CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) | |
4020 | bgp_path_info_set_flag(rn, pi, BGP_PATH_STALE); | |
ea47320b DL |
4021 | else { |
4022 | /* If this is an EVPN route, process for | |
4023 | * un-import. */ | |
4024 | if (safi == SAFI_EVPN) | |
40381db7 DS |
4025 | bgp_evpn_unimport_route(bgp, afi, safi, &rn->p, |
4026 | pi); | |
3103e8d2 DS |
4027 | /* Handle withdraw for VRF route-leaking and L3VPN */ |
4028 | if (SAFI_UNICAST == safi | |
4029 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF || | |
960035b2 | 4030 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { |
3103e8d2 | 4031 | vpn_leak_from_vrf_withdraw(bgp_get_default(), |
40381db7 | 4032 | bgp, pi); |
960035b2 | 4033 | } |
3103e8d2 | 4034 | if (SAFI_MPLS_VPN == safi && |
960035b2 | 4035 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { |
40381db7 | 4036 | vpn_leak_to_vrf_withdraw(bgp, pi); |
960035b2 | 4037 | } |
3103e8d2 | 4038 | |
40381db7 | 4039 | bgp_rib_remove(rn, pi, peer, afi, safi); |
d62a17ae | 4040 | } |
ea47320b | 4041 | } |
d62a17ae | 4042 | return WQ_SUCCESS; |
200df115 | 4043 | } |
4044 | ||
d62a17ae | 4045 | static void bgp_clear_node_queue_del(struct work_queue *wq, void *data) |
200df115 | 4046 | { |
d62a17ae | 4047 | struct bgp_clear_node_queue *cnq = data; |
4048 | struct bgp_node *rn = cnq->rn; | |
4049 | struct bgp_table *table = bgp_node_table(rn); | |
228da428 | 4050 | |
d62a17ae | 4051 | bgp_unlock_node(rn); |
4052 | bgp_table_unlock(table); | |
4053 | XFREE(MTYPE_BGP_CLEAR_NODE_QUEUE, cnq); | |
200df115 | 4054 | } |
4055 | ||
d62a17ae | 4056 | static void bgp_clear_node_complete(struct work_queue *wq) |
200df115 | 4057 | { |
d62a17ae | 4058 | struct peer *peer = wq->spec.data; |
64e580a7 | 4059 | |
d62a17ae | 4060 | /* Tickle FSM to start moving again */ |
4061 | BGP_EVENT_ADD(peer, Clearing_Completed); | |
4062 | ||
4063 | peer_unlock(peer); /* bgp_clear_route */ | |
200df115 | 4064 | } |
718e3744 | 4065 | |
d62a17ae | 4066 | static void bgp_clear_node_queue_init(struct peer *peer) |
200df115 | 4067 | { |
d62a17ae | 4068 | char wname[sizeof("clear xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx")]; |
4069 | ||
4070 | snprintf(wname, sizeof(wname), "clear %s", peer->host); | |
4071 | #undef CLEAR_QUEUE_NAME_LEN | |
4072 | ||
0ce1ca80 | 4073 | peer->clear_node_queue = work_queue_new(bm->master, wname); |
d62a17ae | 4074 | peer->clear_node_queue->spec.hold = 10; |
4075 | peer->clear_node_queue->spec.workfunc = &bgp_clear_route_node; | |
4076 | peer->clear_node_queue->spec.del_item_data = &bgp_clear_node_queue_del; | |
4077 | peer->clear_node_queue->spec.completion_func = &bgp_clear_node_complete; | |
4078 | peer->clear_node_queue->spec.max_retries = 0; | |
4079 | ||
4080 | /* we only 'lock' this peer reference when the queue is actually active | |
4081 | */ | |
4082 | peer->clear_node_queue->spec.data = peer; | |
65ca75e0 PJ |
4083 | } |
4084 | ||
d62a17ae | 4085 | static void bgp_clear_route_table(struct peer *peer, afi_t afi, safi_t safi, |
4086 | struct bgp_table *table) | |
65ca75e0 | 4087 | { |
d62a17ae | 4088 | struct bgp_node *rn; |
4089 | int force = bm->process_main_queue ? 0 : 1; | |
6cf159b9 | 4090 | |
d62a17ae | 4091 | if (!table) |
4092 | table = peer->bgp->rib[afi][safi]; | |
dc83d712 | 4093 | |
d62a17ae | 4094 | /* If still no table => afi/safi isn't configured at all or smth. */ |
4095 | if (!table) | |
4096 | return; | |
dc83d712 | 4097 | |
d62a17ae | 4098 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
40381db7 | 4099 | struct bgp_path_info *pi, *next; |
d62a17ae | 4100 | struct bgp_adj_in *ain; |
4101 | struct bgp_adj_in *ain_next; | |
4102 | ||
4103 | /* XXX:TODO: This is suboptimal, every non-empty route_node is | |
4104 | * queued for every clearing peer, regardless of whether it is | |
4105 | * relevant to the peer at hand. | |
4106 | * | |
4107 | * Overview: There are 3 different indices which need to be | |
4108 | * scrubbed, potentially, when a peer is removed: | |
4109 | * | |
4110 | * 1 peer's routes visible via the RIB (ie accepted routes) | |
4111 | * 2 peer's routes visible by the (optional) peer's adj-in index | |
4112 | * 3 other routes visible by the peer's adj-out index | |
4113 | * | |
4114 | * 3 there is no hurry in scrubbing, once the struct peer is | |
4115 | * removed from bgp->peer, we could just GC such deleted peer's | |
4116 | * adj-outs at our leisure. | |
4117 | * | |
4118 | * 1 and 2 must be 'scrubbed' in some way, at least made | |
4119 | * invisible via RIB index before peer session is allowed to be | |
4120 | * brought back up. So one needs to know when such a 'search' is | |
4121 | * complete. | |
4122 | * | |
4123 | * Ideally: | |
4124 | * | |
4125 | * - there'd be a single global queue or a single RIB walker | |
4126 | * - rather than tracking which route_nodes still need to be | |
4127 | * examined on a peer basis, we'd track which peers still | |
4128 | * aren't cleared | |
4129 | * | |
4130 | * Given that our per-peer prefix-counts now should be reliable, | |
4131 | * this may actually be achievable. It doesn't seem to be a huge | |
4132 | * problem at this time, | |
4133 | * | |
4134 | * It is possible that we have multiple paths for a prefix from | |
4135 | * a peer | |
4136 | * if that peer is using AddPath. | |
4137 | */ | |
4138 | ain = rn->adj_in; | |
4139 | while (ain) { | |
4140 | ain_next = ain->next; | |
4141 | ||
4142 | if (ain->peer == peer) { | |
4143 | bgp_adj_in_remove(rn, ain); | |
4144 | bgp_unlock_node(rn); | |
4145 | } | |
4146 | ||
4147 | ain = ain_next; | |
4148 | } | |
4149 | ||
6f94b685 | 4150 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = next) { |
40381db7 DS |
4151 | next = pi->next; |
4152 | if (pi->peer != peer) | |
d62a17ae | 4153 | continue; |
4154 | ||
4155 | if (force) | |
40381db7 | 4156 | bgp_path_info_reap(rn, pi); |
d62a17ae | 4157 | else { |
4158 | struct bgp_clear_node_queue *cnq; | |
4159 | ||
4160 | /* both unlocked in bgp_clear_node_queue_del */ | |
4161 | bgp_table_lock(bgp_node_table(rn)); | |
4162 | bgp_lock_node(rn); | |
4163 | cnq = XCALLOC( | |
4164 | MTYPE_BGP_CLEAR_NODE_QUEUE, | |
4165 | sizeof(struct bgp_clear_node_queue)); | |
4166 | cnq->rn = rn; | |
4167 | work_queue_add(peer->clear_node_queue, cnq); | |
4168 | break; | |
4169 | } | |
4170 | } | |
4171 | } | |
4172 | return; | |
4173 | } | |
4174 | ||
4175 | void bgp_clear_route(struct peer *peer, afi_t afi, safi_t safi) | |
4176 | { | |
4177 | struct bgp_node *rn; | |
4178 | struct bgp_table *table; | |
4179 | ||
4180 | if (peer->clear_node_queue == NULL) | |
4181 | bgp_clear_node_queue_init(peer); | |
4182 | ||
4183 | /* bgp_fsm.c keeps sessions in state Clearing, not transitioning to | |
4184 | * Idle until it receives a Clearing_Completed event. This protects | |
4185 | * against peers which flap faster than we can we clear, which could | |
4186 | * lead to: | |
4187 | * | |
4188 | * a) race with routes from the new session being installed before | |
4189 | * clear_route_node visits the node (to delete the route of that | |
4190 | * peer) | |
4191 | * b) resource exhaustion, clear_route_node likely leads to an entry | |
4192 | * on the process_main queue. Fast-flapping could cause that queue | |
4193 | * to grow and grow. | |
4194 | */ | |
4195 | ||
4196 | /* lock peer in assumption that clear-node-queue will get nodes; if so, | |
4197 | * the unlock will happen upon work-queue completion; other wise, the | |
4198 | * unlock happens at the end of this function. | |
4199 | */ | |
4200 | if (!peer->clear_node_queue->thread) | |
4201 | peer_lock(peer); | |
4202 | ||
4203 | if (safi != SAFI_MPLS_VPN && safi != SAFI_ENCAP && safi != SAFI_EVPN) | |
4204 | bgp_clear_route_table(peer, afi, safi, NULL); | |
4205 | else | |
4206 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
67009e22 DS |
4207 | rn = bgp_route_next(rn)) { |
4208 | table = bgp_node_get_bgp_table_info(rn); | |
4209 | if (!table) | |
4210 | continue; | |
4211 | ||
4212 | bgp_clear_route_table(peer, afi, safi, table); | |
4213 | } | |
d62a17ae | 4214 | |
4215 | /* unlock if no nodes got added to the clear-node-queue. */ | |
4216 | if (!peer->clear_node_queue->thread) | |
4217 | peer_unlock(peer); | |
718e3744 | 4218 | } |
d62a17ae | 4219 | |
4220 | void bgp_clear_route_all(struct peer *peer) | |
718e3744 | 4221 | { |
d62a17ae | 4222 | afi_t afi; |
4223 | safi_t safi; | |
718e3744 | 4224 | |
05c7a1cc QY |
4225 | FOREACH_AFI_SAFI (afi, safi) |
4226 | bgp_clear_route(peer, afi, safi); | |
65efcfce LB |
4227 | |
4228 | #if ENABLE_BGP_VNC | |
d62a17ae | 4229 | rfapiProcessPeerDown(peer); |
65efcfce | 4230 | #endif |
718e3744 | 4231 | } |
4232 | ||
d62a17ae | 4233 | void bgp_clear_adj_in(struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 4234 | { |
d62a17ae | 4235 | struct bgp_table *table; |
4236 | struct bgp_node *rn; | |
4237 | struct bgp_adj_in *ain; | |
4238 | struct bgp_adj_in *ain_next; | |
718e3744 | 4239 | |
d62a17ae | 4240 | table = peer->bgp->rib[afi][safi]; |
718e3744 | 4241 | |
d62a17ae | 4242 | /* It is possible that we have multiple paths for a prefix from a peer |
4243 | * if that peer is using AddPath. | |
4244 | */ | |
4245 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
4246 | ain = rn->adj_in; | |
43143c8f | 4247 | |
d62a17ae | 4248 | while (ain) { |
4249 | ain_next = ain->next; | |
43143c8f | 4250 | |
d62a17ae | 4251 | if (ain->peer == peer) { |
4252 | bgp_adj_in_remove(rn, ain); | |
4253 | bgp_unlock_node(rn); | |
4254 | } | |
43143c8f | 4255 | |
d62a17ae | 4256 | ain = ain_next; |
4257 | } | |
4258 | } | |
718e3744 | 4259 | } |
93406d87 | 4260 | |
d62a17ae | 4261 | void bgp_clear_stale_route(struct peer *peer, afi_t afi, safi_t safi) |
4262 | { | |
4263 | struct bgp_node *rn; | |
40381db7 | 4264 | struct bgp_path_info *pi; |
d62a17ae | 4265 | struct bgp_table *table; |
4266 | ||
4267 | if (safi == SAFI_MPLS_VPN) { | |
4268 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
4269 | rn = bgp_route_next(rn)) { | |
4270 | struct bgp_node *rm; | |
d62a17ae | 4271 | |
4272 | /* look for neighbor in tables */ | |
67009e22 DS |
4273 | table = bgp_node_get_bgp_table_info(rn); |
4274 | if (!table) | |
ea47320b DL |
4275 | continue; |
4276 | ||
4277 | for (rm = bgp_table_top(table); rm; | |
4278 | rm = bgp_route_next(rm)) | |
6f94b685 DS |
4279 | for (pi = bgp_node_get_bgp_path_info(rm); pi; |
4280 | pi = pi->next) { | |
40381db7 | 4281 | if (pi->peer != peer) |
ea47320b | 4282 | continue; |
40381db7 | 4283 | if (!CHECK_FLAG(pi->flags, |
1defdda8 | 4284 | BGP_PATH_STALE)) |
ea47320b DL |
4285 | break; |
4286 | ||
40381db7 | 4287 | bgp_rib_remove(rm, pi, peer, afi, safi); |
ea47320b DL |
4288 | break; |
4289 | } | |
d62a17ae | 4290 | } |
4291 | } else { | |
4292 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
4293 | rn = bgp_route_next(rn)) | |
6f94b685 DS |
4294 | for (pi = bgp_node_get_bgp_path_info(rn); pi; |
4295 | pi = pi->next) { | |
40381db7 | 4296 | if (pi->peer != peer) |
ea47320b | 4297 | continue; |
40381db7 | 4298 | if (!CHECK_FLAG(pi->flags, BGP_PATH_STALE)) |
d62a17ae | 4299 | break; |
40381db7 | 4300 | bgp_rib_remove(rn, pi, peer, afi, safi); |
ea47320b DL |
4301 | break; |
4302 | } | |
d62a17ae | 4303 | } |
93406d87 | 4304 | } |
6b0655a2 | 4305 | |
9dac9fc8 DA |
4306 | int bgp_outbound_policy_exists(struct peer *peer, struct bgp_filter *filter) |
4307 | { | |
4308 | if (peer->sort == BGP_PEER_EBGP | |
4309 | && (ROUTE_MAP_OUT_NAME(filter) || PREFIX_LIST_OUT_NAME(filter) | |
4310 | || FILTER_LIST_OUT_NAME(filter) | |
4311 | || DISTRIBUTE_OUT_NAME(filter))) | |
4312 | return 1; | |
4313 | return 0; | |
4314 | } | |
4315 | ||
4316 | int bgp_inbound_policy_exists(struct peer *peer, struct bgp_filter *filter) | |
4317 | { | |
4318 | if (peer->sort == BGP_PEER_EBGP | |
4319 | && (ROUTE_MAP_IN_NAME(filter) || PREFIX_LIST_IN_NAME(filter) | |
4320 | || FILTER_LIST_IN_NAME(filter) | |
4321 | || DISTRIBUTE_IN_NAME(filter))) | |
4322 | return 1; | |
4323 | return 0; | |
4324 | } | |
4325 | ||
568e10ca | 4326 | static void bgp_cleanup_table(struct bgp *bgp, struct bgp_table *table, |
4327 | safi_t safi) | |
bb86c601 | 4328 | { |
d62a17ae | 4329 | struct bgp_node *rn; |
40381db7 | 4330 | struct bgp_path_info *pi; |
4b7e6066 | 4331 | struct bgp_path_info *next; |
bb86c601 | 4332 | |
d62a17ae | 4333 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) |
6f94b685 | 4334 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = next) { |
40381db7 | 4335 | next = pi->next; |
1b7bb747 CS |
4336 | |
4337 | /* Unimport EVPN routes from VRFs */ | |
4338 | if (safi == SAFI_EVPN) | |
4339 | bgp_evpn_unimport_route(bgp, AFI_L2VPN, | |
4340 | SAFI_EVPN, | |
4341 | &rn->p, pi); | |
4342 | ||
40381db7 DS |
4343 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED) |
4344 | && pi->type == ZEBRA_ROUTE_BGP | |
4345 | && (pi->sub_type == BGP_ROUTE_NORMAL | |
4346 | || pi->sub_type == BGP_ROUTE_AGGREGATE | |
4347 | || pi->sub_type == BGP_ROUTE_IMPORTED)) { | |
ddb5b488 | 4348 | |
d62a17ae | 4349 | if (bgp_fibupd_safi(safi)) |
40381db7 DS |
4350 | bgp_zebra_withdraw(&rn->p, pi, bgp, |
4351 | safi); | |
4352 | bgp_path_info_reap(rn, pi); | |
d62a17ae | 4353 | } |
4354 | } | |
bb86c601 LB |
4355 | } |
4356 | ||
718e3744 | 4357 | /* Delete all kernel routes. */ |
d62a17ae | 4358 | void bgp_cleanup_routes(struct bgp *bgp) |
4359 | { | |
4360 | afi_t afi; | |
4361 | struct bgp_node *rn; | |
67009e22 | 4362 | struct bgp_table *table; |
d62a17ae | 4363 | |
4364 | for (afi = AFI_IP; afi < AFI_MAX; ++afi) { | |
4365 | if (afi == AFI_L2VPN) | |
4366 | continue; | |
568e10ca | 4367 | bgp_cleanup_table(bgp, bgp->rib[afi][SAFI_UNICAST], |
4368 | SAFI_UNICAST); | |
d62a17ae | 4369 | /* |
4370 | * VPN and ENCAP and EVPN tables are two-level (RD is top level) | |
4371 | */ | |
4372 | if (afi != AFI_L2VPN) { | |
4373 | safi_t safi; | |
4374 | safi = SAFI_MPLS_VPN; | |
4375 | for (rn = bgp_table_top(bgp->rib[afi][safi]); rn; | |
4376 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4377 | table = bgp_node_get_bgp_table_info(rn); |
4378 | if (table != NULL) { | |
4379 | bgp_cleanup_table(bgp, table, safi); | |
4380 | bgp_table_finish(&table); | |
4381 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4382 | bgp_unlock_node(rn); |
4383 | } | |
4384 | } | |
4385 | safi = SAFI_ENCAP; | |
4386 | for (rn = bgp_table_top(bgp->rib[afi][safi]); rn; | |
4387 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4388 | table = bgp_node_get_bgp_table_info(rn); |
4389 | if (table != NULL) { | |
4390 | bgp_cleanup_table(bgp, table, safi); | |
4391 | bgp_table_finish(&table); | |
4392 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4393 | bgp_unlock_node(rn); |
4394 | } | |
4395 | } | |
4396 | } | |
4397 | } | |
4398 | for (rn = bgp_table_top(bgp->rib[AFI_L2VPN][SAFI_EVPN]); rn; | |
4399 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4400 | table = bgp_node_get_bgp_table_info(rn); |
4401 | if (table != NULL) { | |
4402 | bgp_cleanup_table(bgp, table, SAFI_EVPN); | |
4403 | bgp_table_finish(&table); | |
4404 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4405 | bgp_unlock_node(rn); |
4406 | } | |
bb86c601 | 4407 | } |
718e3744 | 4408 | } |
4409 | ||
d62a17ae | 4410 | void bgp_reset(void) |
718e3744 | 4411 | { |
d62a17ae | 4412 | vty_reset(); |
4413 | bgp_zclient_reset(); | |
4414 | access_list_reset(); | |
4415 | prefix_list_reset(); | |
718e3744 | 4416 | } |
6b0655a2 | 4417 | |
d62a17ae | 4418 | static int bgp_addpath_encode_rx(struct peer *peer, afi_t afi, safi_t safi) |
adbac85e | 4419 | { |
d62a17ae | 4420 | return (CHECK_FLAG(peer->af_cap[afi][safi], PEER_CAP_ADDPATH_AF_RX_ADV) |
4421 | && CHECK_FLAG(peer->af_cap[afi][safi], | |
4422 | PEER_CAP_ADDPATH_AF_TX_RCV)); | |
adbac85e DW |
4423 | } |
4424 | ||
718e3744 | 4425 | /* Parse NLRI stream. Withdraw NLRI is recognized by NULL attr |
4426 | value. */ | |
d62a17ae | 4427 | int bgp_nlri_parse_ip(struct peer *peer, struct attr *attr, |
4428 | struct bgp_nlri *packet) | |
4429 | { | |
d7c0a89a QY |
4430 | uint8_t *pnt; |
4431 | uint8_t *lim; | |
d62a17ae | 4432 | struct prefix p; |
4433 | int psize; | |
4434 | int ret; | |
4435 | afi_t afi; | |
4436 | safi_t safi; | |
4437 | int addpath_encoded; | |
d7c0a89a | 4438 | uint32_t addpath_id; |
d62a17ae | 4439 | |
d62a17ae | 4440 | pnt = packet->nlri; |
4441 | lim = pnt + packet->length; | |
4442 | afi = packet->afi; | |
4443 | safi = packet->safi; | |
4444 | addpath_id = 0; | |
4445 | addpath_encoded = bgp_addpath_encode_rx(peer, afi, safi); | |
4446 | ||
4447 | /* RFC4771 6.3 The NLRI field in the UPDATE message is checked for | |
4448 | syntactic validity. If the field is syntactically incorrect, | |
4449 | then the Error Subcode is set to Invalid Network Field. */ | |
4450 | for (; pnt < lim; pnt += psize) { | |
4451 | /* Clear prefix structure. */ | |
4452 | memset(&p, 0, sizeof(struct prefix)); | |
4453 | ||
4454 | if (addpath_encoded) { | |
4455 | ||
4456 | /* When packet overflow occurs return immediately. */ | |
4457 | if (pnt + BGP_ADDPATH_ID_LEN > lim) | |
513386b5 | 4458 | return BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW; |
d62a17ae | 4459 | |
4460 | addpath_id = ntohl(*((uint32_t *)pnt)); | |
4461 | pnt += BGP_ADDPATH_ID_LEN; | |
4462 | } | |
718e3744 | 4463 | |
d62a17ae | 4464 | /* Fetch prefix length. */ |
4465 | p.prefixlen = *pnt++; | |
4466 | /* afi/safi validity already verified by caller, | |
4467 | * bgp_update_receive */ | |
4468 | p.family = afi2family(afi); | |
4469 | ||
4470 | /* Prefix length check. */ | |
4471 | if (p.prefixlen > prefix_blen(&p) * 8) { | |
af4c2728 | 4472 | flog_err( |
e50f7cfd | 4473 | EC_BGP_UPDATE_RCV, |
14454c9f | 4474 | "%s [Error] Update packet error (wrong prefix length %d for afi %u)", |
d62a17ae | 4475 | peer->host, p.prefixlen, packet->afi); |
513386b5 | 4476 | return BGP_NLRI_PARSE_ERROR_PREFIX_LENGTH; |
d62a17ae | 4477 | } |
6b0655a2 | 4478 | |
d62a17ae | 4479 | /* Packet size overflow check. */ |
4480 | psize = PSIZE(p.prefixlen); | |
4481 | ||
4482 | /* When packet overflow occur return immediately. */ | |
4483 | if (pnt + psize > lim) { | |
af4c2728 | 4484 | flog_err( |
e50f7cfd | 4485 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4486 | "%s [Error] Update packet error (prefix length %d overflows packet)", |
4487 | peer->host, p.prefixlen); | |
513386b5 | 4488 | return BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW; |
d62a17ae | 4489 | } |
4490 | ||
4491 | /* Defensive coding, double-check the psize fits in a struct | |
4492 | * prefix */ | |
4493 | if (psize > (ssize_t)sizeof(p.u)) { | |
af4c2728 | 4494 | flog_err( |
e50f7cfd | 4495 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4496 | "%s [Error] Update packet error (prefix length %d too large for prefix storage %zu)", |
4497 | peer->host, p.prefixlen, sizeof(p.u)); | |
513386b5 | 4498 | return BGP_NLRI_PARSE_ERROR_PACKET_LENGTH; |
d62a17ae | 4499 | } |
4500 | ||
4501 | /* Fetch prefix from NLRI packet. */ | |
a85297a7 | 4502 | memcpy(p.u.val, pnt, psize); |
d62a17ae | 4503 | |
4504 | /* Check address. */ | |
4505 | if (afi == AFI_IP && safi == SAFI_UNICAST) { | |
4506 | if (IN_CLASSD(ntohl(p.u.prefix4.s_addr))) { | |
4507 | /* From RFC4271 Section 6.3: | |
4508 | * | |
4509 | * If a prefix in the NLRI field is semantically | |
4510 | * incorrect | |
4511 | * (e.g., an unexpected multicast IP address), | |
4512 | * an error SHOULD | |
4513 | * be logged locally, and the prefix SHOULD be | |
4514 | * ignored. | |
a4d82a8a | 4515 | */ |
af4c2728 | 4516 | flog_err( |
e50f7cfd | 4517 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4518 | "%s: IPv4 unicast NLRI is multicast address %s, ignoring", |
4519 | peer->host, inet_ntoa(p.u.prefix4)); | |
4520 | continue; | |
4521 | } | |
4522 | } | |
4523 | ||
4524 | /* Check address. */ | |
4525 | if (afi == AFI_IP6 && safi == SAFI_UNICAST) { | |
4526 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) { | |
4527 | char buf[BUFSIZ]; | |
4528 | ||
af4c2728 | 4529 | flog_err( |
e50f7cfd | 4530 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4531 | "%s: IPv6 unicast NLRI is link-local address %s, ignoring", |
4532 | peer->host, | |
4533 | inet_ntop(AF_INET6, &p.u.prefix6, buf, | |
4534 | BUFSIZ)); | |
4535 | ||
4536 | continue; | |
4537 | } | |
4538 | if (IN6_IS_ADDR_MULTICAST(&p.u.prefix6)) { | |
4539 | char buf[BUFSIZ]; | |
4540 | ||
af4c2728 | 4541 | flog_err( |
e50f7cfd | 4542 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4543 | "%s: IPv6 unicast NLRI is multicast address %s, ignoring", |
4544 | peer->host, | |
4545 | inet_ntop(AF_INET6, &p.u.prefix6, buf, | |
4546 | BUFSIZ)); | |
4547 | ||
4548 | continue; | |
4549 | } | |
4550 | } | |
4551 | ||
4552 | /* Normal process. */ | |
4553 | if (attr) | |
4554 | ret = bgp_update(peer, &p, addpath_id, attr, afi, safi, | |
4555 | ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, | |
b57ba6d2 | 4556 | NULL, NULL, 0, 0, NULL); |
d62a17ae | 4557 | else |
4558 | ret = bgp_withdraw(peer, &p, addpath_id, attr, afi, | |
4559 | safi, ZEBRA_ROUTE_BGP, | |
a4d82a8a PZ |
4560 | BGP_ROUTE_NORMAL, NULL, NULL, 0, |
4561 | NULL); | |
d62a17ae | 4562 | |
513386b5 DA |
4563 | /* Do not send BGP notification twice when maximum-prefix count |
4564 | * overflow. */ | |
4565 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW)) | |
4566 | return BGP_NLRI_PARSE_ERROR_PREFIX_OVERFLOW; | |
4567 | ||
4568 | /* Address family configuration mismatch. */ | |
d62a17ae | 4569 | if (ret < 0) |
513386b5 | 4570 | return BGP_NLRI_PARSE_ERROR_ADDRESS_FAMILY; |
d62a17ae | 4571 | } |
4572 | ||
4573 | /* Packet length consistency check. */ | |
4574 | if (pnt != lim) { | |
af4c2728 | 4575 | flog_err( |
e50f7cfd | 4576 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4577 | "%s [Error] Update packet error (prefix length mismatch with total length)", |
4578 | peer->host); | |
513386b5 | 4579 | return BGP_NLRI_PARSE_ERROR_PACKET_LENGTH; |
d62a17ae | 4580 | } |
6b0655a2 | 4581 | |
513386b5 | 4582 | return BGP_NLRI_PARSE_OK; |
718e3744 | 4583 | } |
4584 | ||
d62a17ae | 4585 | static struct bgp_static *bgp_static_new(void) |
718e3744 | 4586 | { |
d62a17ae | 4587 | return XCALLOC(MTYPE_BGP_STATIC, sizeof(struct bgp_static)); |
718e3744 | 4588 | } |
4589 | ||
d62a17ae | 4590 | static void bgp_static_free(struct bgp_static *bgp_static) |
fee0f4c6 | 4591 | { |
0a22ddfb | 4592 | XFREE(MTYPE_ROUTE_MAP_NAME, bgp_static->rmap.name); |
b4897fa5 | 4593 | route_map_counter_decrement(bgp_static->rmap.map); |
4594 | ||
0a22ddfb | 4595 | XFREE(MTYPE_ATTR, bgp_static->eth_s_id); |
d62a17ae | 4596 | XFREE(MTYPE_BGP_STATIC, bgp_static); |
4597 | } | |
4598 | ||
4599 | void bgp_static_update(struct bgp *bgp, struct prefix *p, | |
4600 | struct bgp_static *bgp_static, afi_t afi, safi_t safi) | |
4601 | { | |
4602 | struct bgp_node *rn; | |
40381db7 | 4603 | struct bgp_path_info *pi; |
4b7e6066 | 4604 | struct bgp_path_info *new; |
40381db7 | 4605 | struct bgp_path_info rmap_path; |
d62a17ae | 4606 | struct attr attr; |
4607 | struct attr *attr_new; | |
b68885f9 | 4608 | route_map_result_t ret; |
65efcfce | 4609 | #if ENABLE_BGP_VNC |
d62a17ae | 4610 | int vnc_implicit_withdraw = 0; |
65efcfce | 4611 | #endif |
fee0f4c6 | 4612 | |
d62a17ae | 4613 | assert(bgp_static); |
4614 | if (!bgp_static) | |
4615 | return; | |
dd8103a9 | 4616 | |
d62a17ae | 4617 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, NULL); |
718e3744 | 4618 | |
d62a17ae | 4619 | bgp_attr_default_set(&attr, BGP_ORIGIN_IGP); |
718e3744 | 4620 | |
d62a17ae | 4621 | attr.nexthop = bgp_static->igpnexthop; |
4622 | attr.med = bgp_static->igpmetric; | |
4623 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
41367172 | 4624 | |
d62a17ae | 4625 | if (bgp_static->atomic) |
4626 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE); | |
6cf48acc | 4627 | |
d62a17ae | 4628 | /* Store label index, if required. */ |
4629 | if (bgp_static->label_index != BGP_INVALID_LABEL_INDEX) { | |
4630 | attr.label_index = bgp_static->label_index; | |
4631 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_PREFIX_SID); | |
4632 | } | |
718e3744 | 4633 | |
d62a17ae | 4634 | /* Apply route-map. */ |
4635 | if (bgp_static->rmap.name) { | |
4636 | struct attr attr_tmp = attr; | |
80ced710 | 4637 | |
40381db7 DS |
4638 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
4639 | rmap_path.peer = bgp->peer_self; | |
4640 | rmap_path.attr = &attr_tmp; | |
fee0f4c6 | 4641 | |
d62a17ae | 4642 | SET_FLAG(bgp->peer_self->rmap_type, PEER_RMAP_TYPE_NETWORK); |
286e1e71 | 4643 | |
40381db7 DS |
4644 | ret = route_map_apply(bgp_static->rmap.map, p, RMAP_BGP, |
4645 | &rmap_path); | |
fee0f4c6 | 4646 | |
d62a17ae | 4647 | bgp->peer_self->rmap_type = 0; |
718e3744 | 4648 | |
d62a17ae | 4649 | if (ret == RMAP_DENYMATCH) { |
4650 | /* Free uninterned attribute. */ | |
4651 | bgp_attr_flush(&attr_tmp); | |
718e3744 | 4652 | |
d62a17ae | 4653 | /* Unintern original. */ |
4654 | aspath_unintern(&attr.aspath); | |
4655 | bgp_static_withdraw(bgp, p, afi, safi); | |
4656 | return; | |
4657 | } | |
7f323236 DW |
4658 | |
4659 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) | |
4660 | bgp_attr_add_gshut_community(&attr_tmp); | |
4661 | ||
d62a17ae | 4662 | attr_new = bgp_attr_intern(&attr_tmp); |
7f323236 DW |
4663 | } else { |
4664 | ||
4665 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) | |
4666 | bgp_attr_add_gshut_community(&attr); | |
4667 | ||
d62a17ae | 4668 | attr_new = bgp_attr_intern(&attr); |
7f323236 | 4669 | } |
718e3744 | 4670 | |
6f94b685 | 4671 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4672 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4673 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4674 | break; |
4675 | ||
40381db7 DS |
4676 | if (pi) { |
4677 | if (attrhash_cmp(pi->attr, attr_new) | |
4678 | && !CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) | |
d62a17ae | 4679 | && !bgp_flag_check(bgp, BGP_FLAG_FORCE_STATIC_PROCESS)) { |
4680 | bgp_unlock_node(rn); | |
4681 | bgp_attr_unintern(&attr_new); | |
4682 | aspath_unintern(&attr.aspath); | |
4683 | return; | |
4684 | } else { | |
4685 | /* The attribute is changed. */ | |
40381db7 | 4686 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 4687 | |
4688 | /* Rewrite BGP route information. */ | |
40381db7 DS |
4689 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) |
4690 | bgp_path_info_restore(rn, pi); | |
d62a17ae | 4691 | else |
40381db7 | 4692 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
65efcfce | 4693 | #if ENABLE_BGP_VNC |
d62a17ae | 4694 | if ((afi == AFI_IP || afi == AFI_IP6) |
4695 | && (safi == SAFI_UNICAST)) { | |
40381db7 | 4696 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 4697 | /* |
4698 | * Implicit withdraw case. | |
40381db7 | 4699 | * We have to do this before pi is |
d62a17ae | 4700 | * changed |
4701 | */ | |
4702 | ++vnc_implicit_withdraw; | |
40381db7 | 4703 | vnc_import_bgp_del_route(bgp, p, pi); |
d62a17ae | 4704 | vnc_import_bgp_exterior_del_route( |
40381db7 | 4705 | bgp, p, pi); |
d62a17ae | 4706 | } |
4707 | } | |
65efcfce | 4708 | #endif |
40381db7 DS |
4709 | bgp_attr_unintern(&pi->attr); |
4710 | pi->attr = attr_new; | |
4711 | pi->uptime = bgp_clock(); | |
65efcfce | 4712 | #if ENABLE_BGP_VNC |
d62a17ae | 4713 | if ((afi == AFI_IP || afi == AFI_IP6) |
4714 | && (safi == SAFI_UNICAST)) { | |
4715 | if (vnc_implicit_withdraw) { | |
40381db7 | 4716 | vnc_import_bgp_add_route(bgp, p, pi); |
d62a17ae | 4717 | vnc_import_bgp_exterior_add_route( |
40381db7 | 4718 | bgp, p, pi); |
d62a17ae | 4719 | } |
4720 | } | |
65efcfce | 4721 | #endif |
718e3744 | 4722 | |
d62a17ae | 4723 | /* Nexthop reachability check. */ |
4724 | if (bgp_flag_check(bgp, BGP_FLAG_IMPORT_CHECK) | |
4725 | && (safi == SAFI_UNICAST | |
4726 | || safi == SAFI_LABELED_UNICAST)) { | |
960035b2 PZ |
4727 | |
4728 | struct bgp *bgp_nexthop = bgp; | |
4729 | ||
40381db7 DS |
4730 | if (pi->extra && pi->extra->bgp_orig) |
4731 | bgp_nexthop = pi->extra->bgp_orig; | |
960035b2 PZ |
4732 | |
4733 | if (bgp_find_or_add_nexthop(bgp, bgp_nexthop, | |
40381db7 DS |
4734 | afi, pi, NULL, 0)) |
4735 | bgp_path_info_set_flag(rn, pi, | |
18ee8310 | 4736 | BGP_PATH_VALID); |
d62a17ae | 4737 | else { |
4738 | if (BGP_DEBUG(nht, NHT)) { | |
4739 | char buf1[INET6_ADDRSTRLEN]; | |
4740 | inet_ntop(p->family, | |
4741 | &p->u.prefix, buf1, | |
4742 | INET6_ADDRSTRLEN); | |
4743 | zlog_debug( | |
4744 | "%s(%s): Route not in table, not advertising", | |
4745 | __FUNCTION__, buf1); | |
4746 | } | |
18ee8310 | 4747 | bgp_path_info_unset_flag( |
40381db7 | 4748 | rn, pi, BGP_PATH_VALID); |
d62a17ae | 4749 | } |
4750 | } else { | |
4751 | /* Delete the NHT structure if any, if we're | |
4752 | * toggling between | |
4753 | * enabling/disabling import check. We | |
4754 | * deregister the route | |
4755 | * from NHT to avoid overloading NHT and the | |
4756 | * process interaction | |
4757 | */ | |
40381db7 DS |
4758 | bgp_unlink_nexthop(pi); |
4759 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); | |
d62a17ae | 4760 | } |
4761 | /* Process change. */ | |
40381db7 | 4762 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 4763 | bgp_process(bgp, rn, afi, safi); |
ddb5b488 PZ |
4764 | |
4765 | if (SAFI_UNICAST == safi | |
4766 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
4767 | || bgp->inst_type | |
4768 | == BGP_INSTANCE_TYPE_DEFAULT)) { | |
4769 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, | |
40381db7 | 4770 | pi); |
ddb5b488 PZ |
4771 | } |
4772 | ||
d62a17ae | 4773 | bgp_unlock_node(rn); |
4774 | aspath_unintern(&attr.aspath); | |
4775 | return; | |
4776 | } | |
718e3744 | 4777 | } |
718e3744 | 4778 | |
d62a17ae | 4779 | /* Make new BGP info. */ |
4780 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_STATIC, 0, bgp->peer_self, | |
4781 | attr_new, rn); | |
4782 | /* Nexthop reachability check. */ | |
4783 | if (bgp_flag_check(bgp, BGP_FLAG_IMPORT_CHECK) | |
4784 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) { | |
960035b2 | 4785 | if (bgp_find_or_add_nexthop(bgp, bgp, afi, new, NULL, 0)) |
18ee8310 | 4786 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 4787 | else { |
4788 | if (BGP_DEBUG(nht, NHT)) { | |
4789 | char buf1[INET6_ADDRSTRLEN]; | |
4790 | inet_ntop(p->family, &p->u.prefix, buf1, | |
4791 | INET6_ADDRSTRLEN); | |
4792 | zlog_debug( | |
4793 | "%s(%s): Route not in table, not advertising", | |
4794 | __FUNCTION__, buf1); | |
4795 | } | |
18ee8310 | 4796 | bgp_path_info_unset_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 4797 | } |
4798 | } else { | |
4799 | /* Delete the NHT structure if any, if we're toggling between | |
4800 | * enabling/disabling import check. We deregister the route | |
4801 | * from NHT to avoid overloading NHT and the process interaction | |
4802 | */ | |
4803 | bgp_unlink_nexthop(new); | |
4804 | ||
18ee8310 | 4805 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
fc9a856f | 4806 | } |
078430f6 | 4807 | |
d62a17ae | 4808 | /* Aggregate address increment. */ |
4809 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
718e3744 | 4810 | |
d62a17ae | 4811 | /* Register new BGP information. */ |
18ee8310 | 4812 | bgp_path_info_add(rn, new); |
718e3744 | 4813 | |
d62a17ae | 4814 | /* route_node_get lock */ |
4815 | bgp_unlock_node(rn); | |
4816 | ||
4817 | /* Process change. */ | |
4818 | bgp_process(bgp, rn, afi, safi); | |
4819 | ||
ddb5b488 PZ |
4820 | if (SAFI_UNICAST == safi |
4821 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
4822 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
4823 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
4824 | } | |
4825 | ||
d62a17ae | 4826 | /* Unintern original. */ |
4827 | aspath_unintern(&attr.aspath); | |
718e3744 | 4828 | } |
4829 | ||
d62a17ae | 4830 | void bgp_static_withdraw(struct bgp *bgp, struct prefix *p, afi_t afi, |
4831 | safi_t safi) | |
718e3744 | 4832 | { |
d62a17ae | 4833 | struct bgp_node *rn; |
40381db7 | 4834 | struct bgp_path_info *pi; |
718e3744 | 4835 | |
d62a17ae | 4836 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, NULL); |
718e3744 | 4837 | |
d62a17ae | 4838 | /* Check selected route and self inserted route. */ |
6f94b685 | 4839 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4840 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4841 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4842 | break; |
4843 | ||
4844 | /* Withdraw static BGP route from routing table. */ | |
40381db7 | 4845 | if (pi) { |
ddb5b488 PZ |
4846 | if (SAFI_UNICAST == safi |
4847 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
4848 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
40381db7 | 4849 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 | 4850 | } |
40381db7 DS |
4851 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
4852 | bgp_unlink_nexthop(pi); | |
4853 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 4854 | bgp_process(bgp, rn, afi, safi); |
4855 | } | |
718e3744 | 4856 | |
d62a17ae | 4857 | /* Unlock bgp_node_lookup. */ |
4858 | bgp_unlock_node(rn); | |
718e3744 | 4859 | } |
4860 | ||
137446f9 LB |
4861 | /* |
4862 | * Used for SAFI_MPLS_VPN and SAFI_ENCAP | |
4863 | */ | |
d62a17ae | 4864 | static void bgp_static_withdraw_safi(struct bgp *bgp, struct prefix *p, |
4865 | afi_t afi, safi_t safi, | |
4866 | struct prefix_rd *prd) | |
718e3744 | 4867 | { |
d62a17ae | 4868 | struct bgp_node *rn; |
40381db7 | 4869 | struct bgp_path_info *pi; |
718e3744 | 4870 | |
d62a17ae | 4871 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); |
718e3744 | 4872 | |
d62a17ae | 4873 | /* Check selected route and self inserted route. */ |
6f94b685 | 4874 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4875 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4876 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4877 | break; |
718e3744 | 4878 | |
d62a17ae | 4879 | /* Withdraw static BGP route from routing table. */ |
40381db7 | 4880 | if (pi) { |
65efcfce | 4881 | #if ENABLE_BGP_VNC |
d62a17ae | 4882 | rfapiProcessWithdraw( |
40381db7 | 4883 | pi->peer, NULL, p, prd, pi->attr, afi, safi, pi->type, |
d62a17ae | 4884 | 1); /* Kill, since it is an administrative change */ |
65efcfce | 4885 | #endif |
ddb5b488 PZ |
4886 | if (SAFI_MPLS_VPN == safi |
4887 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
40381db7 | 4888 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 | 4889 | } |
40381db7 DS |
4890 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
4891 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 4892 | bgp_process(bgp, rn, afi, safi); |
4893 | } | |
718e3744 | 4894 | |
d62a17ae | 4895 | /* Unlock bgp_node_lookup. */ |
4896 | bgp_unlock_node(rn); | |
718e3744 | 4897 | } |
4898 | ||
d62a17ae | 4899 | static void bgp_static_update_safi(struct bgp *bgp, struct prefix *p, |
4900 | struct bgp_static *bgp_static, afi_t afi, | |
4901 | safi_t safi) | |
137446f9 | 4902 | { |
d62a17ae | 4903 | struct bgp_node *rn; |
4b7e6066 | 4904 | struct bgp_path_info *new; |
d62a17ae | 4905 | struct attr *attr_new; |
4906 | struct attr attr = {0}; | |
40381db7 | 4907 | struct bgp_path_info *pi; |
65efcfce | 4908 | #if ENABLE_BGP_VNC |
d62a17ae | 4909 | mpls_label_t label = 0; |
65efcfce | 4910 | #endif |
d7c0a89a | 4911 | uint32_t num_labels = 0; |
d62a17ae | 4912 | union gw_addr add; |
137446f9 | 4913 | |
d62a17ae | 4914 | assert(bgp_static); |
137446f9 | 4915 | |
b57ba6d2 MK |
4916 | if (bgp_static->label != MPLS_INVALID_LABEL) |
4917 | num_labels = 1; | |
d62a17ae | 4918 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, |
4919 | &bgp_static->prd); | |
137446f9 | 4920 | |
d62a17ae | 4921 | bgp_attr_default_set(&attr, BGP_ORIGIN_IGP); |
137446f9 | 4922 | |
d62a17ae | 4923 | attr.nexthop = bgp_static->igpnexthop; |
4924 | attr.med = bgp_static->igpmetric; | |
4925 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
137446f9 | 4926 | |
d62a17ae | 4927 | if ((safi == SAFI_EVPN) || (safi == SAFI_MPLS_VPN) |
4928 | || (safi == SAFI_ENCAP)) { | |
4929 | if (afi == AFI_IP) { | |
4930 | attr.mp_nexthop_global_in = bgp_static->igpnexthop; | |
4931 | attr.mp_nexthop_len = IPV4_MAX_BYTELEN; | |
4932 | } | |
4933 | } | |
4934 | if (afi == AFI_L2VPN) { | |
4935 | if (bgp_static->gatewayIp.family == AF_INET) | |
4936 | add.ipv4.s_addr = | |
4937 | bgp_static->gatewayIp.u.prefix4.s_addr; | |
4938 | else if (bgp_static->gatewayIp.family == AF_INET6) | |
4939 | memcpy(&(add.ipv6), &(bgp_static->gatewayIp.u.prefix6), | |
4940 | sizeof(struct in6_addr)); | |
4941 | overlay_index_update(&attr, bgp_static->eth_s_id, &add); | |
4942 | if (bgp_static->encap_tunneltype == BGP_ENCAP_TYPE_VXLAN) { | |
4943 | struct bgp_encap_type_vxlan bet; | |
4944 | memset(&bet, 0, sizeof(struct bgp_encap_type_vxlan)); | |
3714a385 | 4945 | bet.vnid = p->u.prefix_evpn.prefix_addr.eth_tag; |
d62a17ae | 4946 | bgp_encap_type_vxlan_to_tlv(&bet, &attr); |
4947 | } | |
4948 | if (bgp_static->router_mac) { | |
4949 | bgp_add_routermac_ecom(&attr, bgp_static->router_mac); | |
4950 | } | |
4951 | } | |
4952 | /* Apply route-map. */ | |
4953 | if (bgp_static->rmap.name) { | |
4954 | struct attr attr_tmp = attr; | |
40381db7 | 4955 | struct bgp_path_info rmap_path; |
b68885f9 | 4956 | route_map_result_t ret; |
137446f9 | 4957 | |
40381db7 DS |
4958 | rmap_path.peer = bgp->peer_self; |
4959 | rmap_path.attr = &attr_tmp; | |
137446f9 | 4960 | |
d62a17ae | 4961 | SET_FLAG(bgp->peer_self->rmap_type, PEER_RMAP_TYPE_NETWORK); |
137446f9 | 4962 | |
40381db7 DS |
4963 | ret = route_map_apply(bgp_static->rmap.map, p, RMAP_BGP, |
4964 | &rmap_path); | |
137446f9 | 4965 | |
d62a17ae | 4966 | bgp->peer_self->rmap_type = 0; |
137446f9 | 4967 | |
d62a17ae | 4968 | if (ret == RMAP_DENYMATCH) { |
4969 | /* Free uninterned attribute. */ | |
4970 | bgp_attr_flush(&attr_tmp); | |
137446f9 | 4971 | |
d62a17ae | 4972 | /* Unintern original. */ |
4973 | aspath_unintern(&attr.aspath); | |
4974 | bgp_static_withdraw_safi(bgp, p, afi, safi, | |
4975 | &bgp_static->prd); | |
4976 | return; | |
4977 | } | |
137446f9 | 4978 | |
d62a17ae | 4979 | attr_new = bgp_attr_intern(&attr_tmp); |
4980 | } else { | |
4981 | attr_new = bgp_attr_intern(&attr); | |
4982 | } | |
137446f9 | 4983 | |
6f94b685 | 4984 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4985 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4986 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4987 | break; |
4988 | ||
40381db7 | 4989 | if (pi) { |
d62a17ae | 4990 | memset(&add, 0, sizeof(union gw_addr)); |
40381db7 DS |
4991 | if (attrhash_cmp(pi->attr, attr_new) |
4992 | && overlay_index_equal(afi, pi, bgp_static->eth_s_id, &add) | |
4993 | && !CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 4994 | bgp_unlock_node(rn); |
4995 | bgp_attr_unintern(&attr_new); | |
4996 | aspath_unintern(&attr.aspath); | |
4997 | return; | |
4998 | } else { | |
4999 | /* The attribute is changed. */ | |
40381db7 | 5000 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 5001 | |
5002 | /* Rewrite BGP route information. */ | |
40381db7 DS |
5003 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) |
5004 | bgp_path_info_restore(rn, pi); | |
d62a17ae | 5005 | else |
40381db7 DS |
5006 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
5007 | bgp_attr_unintern(&pi->attr); | |
5008 | pi->attr = attr_new; | |
5009 | pi->uptime = bgp_clock(); | |
65efcfce | 5010 | #if ENABLE_BGP_VNC |
40381db7 DS |
5011 | if (pi->extra) |
5012 | label = decode_label(&pi->extra->label[0]); | |
65efcfce | 5013 | #endif |
137446f9 | 5014 | |
d62a17ae | 5015 | /* Process change. */ |
40381db7 | 5016 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 5017 | bgp_process(bgp, rn, afi, safi); |
ddb5b488 PZ |
5018 | |
5019 | if (SAFI_MPLS_VPN == safi | |
5020 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
40381db7 | 5021 | vpn_leak_to_vrf_update(bgp, pi); |
ddb5b488 | 5022 | } |
65efcfce | 5023 | #if ENABLE_BGP_VNC |
40381db7 DS |
5024 | rfapiProcessUpdate(pi->peer, NULL, p, &bgp_static->prd, |
5025 | pi->attr, afi, safi, pi->type, | |
5026 | pi->sub_type, &label); | |
65efcfce | 5027 | #endif |
d62a17ae | 5028 | bgp_unlock_node(rn); |
5029 | aspath_unintern(&attr.aspath); | |
5030 | return; | |
5031 | } | |
5032 | } | |
137446f9 LB |
5033 | |
5034 | ||
d62a17ae | 5035 | /* Make new BGP info. */ |
5036 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_STATIC, 0, bgp->peer_self, | |
5037 | attr_new, rn); | |
1defdda8 | 5038 | SET_FLAG(new->flags, BGP_PATH_VALID); |
18ee8310 | 5039 | new->extra = bgp_path_info_extra_new(); |
b57ba6d2 MK |
5040 | if (num_labels) { |
5041 | new->extra->label[0] = bgp_static->label; | |
5042 | new->extra->num_labels = num_labels; | |
5043 | } | |
65efcfce | 5044 | #if ENABLE_BGP_VNC |
d62a17ae | 5045 | label = decode_label(&bgp_static->label); |
65efcfce | 5046 | #endif |
137446f9 | 5047 | |
d62a17ae | 5048 | /* Aggregate address increment. */ |
5049 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
137446f9 | 5050 | |
d62a17ae | 5051 | /* Register new BGP information. */ |
18ee8310 | 5052 | bgp_path_info_add(rn, new); |
d62a17ae | 5053 | /* route_node_get lock */ |
5054 | bgp_unlock_node(rn); | |
137446f9 | 5055 | |
d62a17ae | 5056 | /* Process change. */ |
5057 | bgp_process(bgp, rn, afi, safi); | |
137446f9 | 5058 | |
ddb5b488 PZ |
5059 | if (SAFI_MPLS_VPN == safi |
5060 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
5061 | vpn_leak_to_vrf_update(bgp, new); | |
5062 | } | |
65efcfce | 5063 | #if ENABLE_BGP_VNC |
d62a17ae | 5064 | rfapiProcessUpdate(new->peer, NULL, p, &bgp_static->prd, new->attr, afi, |
5065 | safi, new->type, new->sub_type, &label); | |
65efcfce LB |
5066 | #endif |
5067 | ||
d62a17ae | 5068 | /* Unintern original. */ |
5069 | aspath_unintern(&attr.aspath); | |
137446f9 LB |
5070 | } |
5071 | ||
718e3744 | 5072 | /* Configure static BGP network. When user don't run zebra, static |
5073 | route should be installed as valid. */ | |
e2a86ad9 DS |
5074 | static int bgp_static_set(struct vty *vty, const char *negate, |
5075 | const char *ip_str, afi_t afi, safi_t safi, | |
d7c0a89a | 5076 | const char *rmap, int backdoor, uint32_t label_index) |
d62a17ae | 5077 | { |
5078 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5079 | int ret; | |
5080 | struct prefix p; | |
5081 | struct bgp_static *bgp_static; | |
5082 | struct bgp_node *rn; | |
d7c0a89a | 5083 | uint8_t need_update = 0; |
d62a17ae | 5084 | |
5085 | /* Convert IP prefix string to struct prefix. */ | |
5086 | ret = str2prefix(ip_str, &p); | |
5087 | if (!ret) { | |
5088 | vty_out(vty, "%% Malformed prefix\n"); | |
5089 | return CMD_WARNING_CONFIG_FAILED; | |
5090 | } | |
5091 | if (afi == AFI_IP6 && IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) { | |
5092 | vty_out(vty, "%% Malformed prefix (link-local address)\n"); | |
5093 | return CMD_WARNING_CONFIG_FAILED; | |
5094 | } | |
718e3744 | 5095 | |
d62a17ae | 5096 | apply_mask(&p); |
718e3744 | 5097 | |
e2a86ad9 | 5098 | if (negate) { |
718e3744 | 5099 | |
e2a86ad9 DS |
5100 | /* Set BGP static route configuration. */ |
5101 | rn = bgp_node_lookup(bgp->route[afi][safi], &p); | |
d62a17ae | 5102 | |
e2a86ad9 | 5103 | if (!rn) { |
a4d82a8a | 5104 | vty_out(vty, "%% Can't find static route specified\n"); |
d62a17ae | 5105 | return CMD_WARNING_CONFIG_FAILED; |
5106 | } | |
5107 | ||
5a8ba9fc | 5108 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 5109 | |
e2a86ad9 DS |
5110 | if ((label_index != BGP_INVALID_LABEL_INDEX) |
5111 | && (label_index != bgp_static->label_index)) { | |
5112 | vty_out(vty, | |
5113 | "%% label-index doesn't match static route\n"); | |
5114 | return CMD_WARNING_CONFIG_FAILED; | |
d62a17ae | 5115 | } |
d62a17ae | 5116 | |
e2a86ad9 DS |
5117 | if ((rmap && bgp_static->rmap.name) |
5118 | && strcmp(rmap, bgp_static->rmap.name)) { | |
5119 | vty_out(vty, | |
5120 | "%% route-map name doesn't match static route\n"); | |
5121 | return CMD_WARNING_CONFIG_FAILED; | |
d62a17ae | 5122 | } |
718e3744 | 5123 | |
e2a86ad9 DS |
5124 | /* Update BGP RIB. */ |
5125 | if (!bgp_static->backdoor) | |
5126 | bgp_static_withdraw(bgp, &p, afi, safi); | |
718e3744 | 5127 | |
e2a86ad9 DS |
5128 | /* Clear configuration. */ |
5129 | bgp_static_free(bgp_static); | |
5a8ba9fc | 5130 | bgp_node_set_bgp_static_info(rn, NULL); |
e2a86ad9 DS |
5131 | bgp_unlock_node(rn); |
5132 | bgp_unlock_node(rn); | |
5133 | } else { | |
718e3744 | 5134 | |
e2a86ad9 DS |
5135 | /* Set BGP static route configuration. */ |
5136 | rn = bgp_node_get(bgp->route[afi][safi], &p); | |
718e3744 | 5137 | |
5a8ba9fc | 5138 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 5139 | if (bgp_static) { |
e2a86ad9 | 5140 | /* Configuration change. */ |
e2a86ad9 DS |
5141 | /* Label index cannot be changed. */ |
5142 | if (bgp_static->label_index != label_index) { | |
5143 | vty_out(vty, "%% cannot change label-index\n"); | |
5144 | return CMD_WARNING_CONFIG_FAILED; | |
5145 | } | |
d62a17ae | 5146 | |
e2a86ad9 | 5147 | /* Check previous routes are installed into BGP. */ |
a4d82a8a PZ |
5148 | if (bgp_static->valid |
5149 | && bgp_static->backdoor != backdoor) | |
e2a86ad9 | 5150 | need_update = 1; |
718e3744 | 5151 | |
e2a86ad9 | 5152 | bgp_static->backdoor = backdoor; |
718e3744 | 5153 | |
e2a86ad9 | 5154 | if (rmap) { |
0a22ddfb QY |
5155 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5156 | bgp_static->rmap.name); | |
b4897fa5 | 5157 | route_map_counter_decrement( |
5158 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5159 | bgp_static->rmap.name = |
5160 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
5161 | bgp_static->rmap.map = | |
5162 | route_map_lookup_by_name(rmap); | |
b4897fa5 | 5163 | route_map_counter_increment( |
5164 | bgp_static->rmap.map); | |
e2a86ad9 | 5165 | } else { |
0a22ddfb QY |
5166 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5167 | bgp_static->rmap.name); | |
b4897fa5 | 5168 | route_map_counter_decrement( |
5169 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5170 | bgp_static->rmap.name = NULL; |
5171 | bgp_static->rmap.map = NULL; | |
5172 | bgp_static->valid = 0; | |
5173 | } | |
5174 | bgp_unlock_node(rn); | |
5175 | } else { | |
5176 | /* New configuration. */ | |
5177 | bgp_static = bgp_static_new(); | |
5178 | bgp_static->backdoor = backdoor; | |
5179 | bgp_static->valid = 0; | |
5180 | bgp_static->igpmetric = 0; | |
5181 | bgp_static->igpnexthop.s_addr = 0; | |
5182 | bgp_static->label_index = label_index; | |
718e3744 | 5183 | |
e2a86ad9 | 5184 | if (rmap) { |
0a22ddfb QY |
5185 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5186 | bgp_static->rmap.name); | |
b4897fa5 | 5187 | route_map_counter_decrement( |
5188 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5189 | bgp_static->rmap.name = |
5190 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
5191 | bgp_static->rmap.map = | |
5192 | route_map_lookup_by_name(rmap); | |
b4897fa5 | 5193 | route_map_counter_increment( |
5194 | bgp_static->rmap.map); | |
e2a86ad9 | 5195 | } |
5a8ba9fc | 5196 | bgp_node_set_bgp_static_info(rn, bgp_static); |
e2a86ad9 | 5197 | } |
d62a17ae | 5198 | |
e2a86ad9 DS |
5199 | bgp_static->valid = 1; |
5200 | if (need_update) | |
5201 | bgp_static_withdraw(bgp, &p, afi, safi); | |
d62a17ae | 5202 | |
e2a86ad9 DS |
5203 | if (!bgp_static->backdoor) |
5204 | bgp_static_update(bgp, &p, bgp_static, afi, safi); | |
5205 | } | |
d62a17ae | 5206 | |
5207 | return CMD_SUCCESS; | |
5208 | } | |
5209 | ||
5210 | void bgp_static_add(struct bgp *bgp) | |
5211 | { | |
5212 | afi_t afi; | |
5213 | safi_t safi; | |
5214 | struct bgp_node *rn; | |
5215 | struct bgp_node *rm; | |
5216 | struct bgp_table *table; | |
5217 | struct bgp_static *bgp_static; | |
5218 | ||
05c7a1cc QY |
5219 | FOREACH_AFI_SAFI (afi, safi) |
5220 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5221 | rn = bgp_route_next(rn)) { | |
67009e22 | 5222 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5223 | continue; |
ea47320b | 5224 | |
05c7a1cc QY |
5225 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5226 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5227 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5228 | |
5229 | for (rm = bgp_table_top(table); rm; | |
5230 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5231 | bgp_static = |
5a8ba9fc DS |
5232 | bgp_node_get_bgp_static_info( |
5233 | rm); | |
05c7a1cc QY |
5234 | bgp_static_update_safi(bgp, &rm->p, |
5235 | bgp_static, afi, | |
5236 | safi); | |
d62a17ae | 5237 | } |
05c7a1cc | 5238 | } else { |
5a8ba9fc DS |
5239 | bgp_static_update( |
5240 | bgp, &rn->p, | |
5241 | bgp_node_get_bgp_static_info(rn), afi, | |
5242 | safi); | |
ea47320b | 5243 | } |
05c7a1cc | 5244 | } |
6aeb9e78 DS |
5245 | } |
5246 | ||
718e3744 | 5247 | /* Called from bgp_delete(). Delete all static routes from the BGP |
5248 | instance. */ | |
d62a17ae | 5249 | void bgp_static_delete(struct bgp *bgp) |
5250 | { | |
5251 | afi_t afi; | |
5252 | safi_t safi; | |
5253 | struct bgp_node *rn; | |
5254 | struct bgp_node *rm; | |
5255 | struct bgp_table *table; | |
5256 | struct bgp_static *bgp_static; | |
5257 | ||
05c7a1cc QY |
5258 | FOREACH_AFI_SAFI (afi, safi) |
5259 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5260 | rn = bgp_route_next(rn)) { | |
67009e22 | 5261 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5262 | continue; |
ea47320b | 5263 | |
05c7a1cc QY |
5264 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5265 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5266 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5267 | |
5268 | for (rm = bgp_table_top(table); rm; | |
5269 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5270 | bgp_static = |
5a8ba9fc DS |
5271 | bgp_node_get_bgp_static_info( |
5272 | rm); | |
c7d14ba6 PG |
5273 | if (!bgp_static) |
5274 | continue; | |
5275 | ||
05c7a1cc QY |
5276 | bgp_static_withdraw_safi( |
5277 | bgp, &rm->p, AFI_IP, safi, | |
5278 | (struct prefix_rd *)&rn->p); | |
ea47320b | 5279 | bgp_static_free(bgp_static); |
5a8ba9fc | 5280 | bgp_node_set_bgp_static_info(rn, NULL); |
ea47320b | 5281 | bgp_unlock_node(rn); |
d62a17ae | 5282 | } |
05c7a1cc | 5283 | } else { |
5a8ba9fc | 5284 | bgp_static = bgp_node_get_bgp_static_info(rn); |
05c7a1cc QY |
5285 | bgp_static_withdraw(bgp, &rn->p, afi, safi); |
5286 | bgp_static_free(bgp_static); | |
5a8ba9fc | 5287 | bgp_node_set_bgp_static_info(rn, NULL); |
05c7a1cc | 5288 | bgp_unlock_node(rn); |
ea47320b | 5289 | } |
05c7a1cc | 5290 | } |
d62a17ae | 5291 | } |
5292 | ||
5293 | void bgp_static_redo_import_check(struct bgp *bgp) | |
5294 | { | |
5295 | afi_t afi; | |
5296 | safi_t safi; | |
5297 | struct bgp_node *rn; | |
5298 | struct bgp_node *rm; | |
5299 | struct bgp_table *table; | |
5300 | struct bgp_static *bgp_static; | |
5301 | ||
5302 | /* Use this flag to force reprocessing of the route */ | |
5303 | bgp_flag_set(bgp, BGP_FLAG_FORCE_STATIC_PROCESS); | |
05c7a1cc QY |
5304 | FOREACH_AFI_SAFI (afi, safi) { |
5305 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5306 | rn = bgp_route_next(rn)) { | |
67009e22 | 5307 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5308 | continue; |
ea47320b | 5309 | |
05c7a1cc QY |
5310 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5311 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5312 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5313 | |
5314 | for (rm = bgp_table_top(table); rm; | |
5315 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5316 | bgp_static = |
5a8ba9fc DS |
5317 | bgp_node_get_bgp_static_info( |
5318 | rm); | |
05c7a1cc QY |
5319 | bgp_static_update_safi(bgp, &rm->p, |
5320 | bgp_static, afi, | |
5321 | safi); | |
d62a17ae | 5322 | } |
05c7a1cc | 5323 | } else { |
5a8ba9fc | 5324 | bgp_static = bgp_node_get_bgp_static_info(rn); |
05c7a1cc QY |
5325 | bgp_static_update(bgp, &rn->p, bgp_static, afi, |
5326 | safi); | |
ea47320b | 5327 | } |
05c7a1cc QY |
5328 | } |
5329 | } | |
d62a17ae | 5330 | bgp_flag_unset(bgp, BGP_FLAG_FORCE_STATIC_PROCESS); |
5331 | } | |
5332 | ||
5333 | static void bgp_purge_af_static_redist_routes(struct bgp *bgp, afi_t afi, | |
5334 | safi_t safi) | |
5335 | { | |
5336 | struct bgp_table *table; | |
5337 | struct bgp_node *rn; | |
40381db7 | 5338 | struct bgp_path_info *pi; |
d62a17ae | 5339 | |
dfb6fd1d NT |
5340 | /* Do not install the aggregate route if BGP is in the |
5341 | * process of termination. | |
5342 | */ | |
5343 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS) || | |
5344 | (bgp->peer_self == NULL)) | |
5345 | return; | |
5346 | ||
d62a17ae | 5347 | table = bgp->rib[afi][safi]; |
5348 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
6f94b685 | 5349 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 DS |
5350 | if (pi->peer == bgp->peer_self |
5351 | && ((pi->type == ZEBRA_ROUTE_BGP | |
5352 | && pi->sub_type == BGP_ROUTE_STATIC) | |
5353 | || (pi->type != ZEBRA_ROUTE_BGP | |
5354 | && pi->sub_type | |
d62a17ae | 5355 | == BGP_ROUTE_REDISTRIBUTE))) { |
40381db7 | 5356 | bgp_aggregate_decrement(bgp, &rn->p, pi, afi, |
d62a17ae | 5357 | safi); |
40381db7 DS |
5358 | bgp_unlink_nexthop(pi); |
5359 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 5360 | bgp_process(bgp, rn, afi, safi); |
5361 | } | |
5362 | } | |
5363 | } | |
ad4cbda1 | 5364 | } |
5365 | ||
5366 | /* | |
5367 | * Purge all networks and redistributed routes from routing table. | |
5368 | * Invoked upon the instance going down. | |
5369 | */ | |
d62a17ae | 5370 | void bgp_purge_static_redist_routes(struct bgp *bgp) |
ad4cbda1 | 5371 | { |
d62a17ae | 5372 | afi_t afi; |
5373 | safi_t safi; | |
ad4cbda1 | 5374 | |
05c7a1cc QY |
5375 | FOREACH_AFI_SAFI (afi, safi) |
5376 | bgp_purge_af_static_redist_routes(bgp, afi, safi); | |
ad4cbda1 | 5377 | } |
5378 | ||
137446f9 LB |
5379 | /* |
5380 | * gpz 110624 | |
5381 | * Currently this is used to set static routes for VPN and ENCAP. | |
5382 | * I think it can probably be factored with bgp_static_set. | |
5383 | */ | |
d62a17ae | 5384 | int bgp_static_set_safi(afi_t afi, safi_t safi, struct vty *vty, |
5385 | const char *ip_str, const char *rd_str, | |
5386 | const char *label_str, const char *rmap_str, | |
5387 | int evpn_type, const char *esi, const char *gwip, | |
5388 | const char *ethtag, const char *routermac) | |
5389 | { | |
5390 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5391 | int ret; | |
5392 | struct prefix p; | |
5393 | struct prefix_rd prd; | |
5394 | struct bgp_node *prn; | |
5395 | struct bgp_node *rn; | |
5396 | struct bgp_table *table; | |
5397 | struct bgp_static *bgp_static; | |
5398 | mpls_label_t label = MPLS_INVALID_LABEL; | |
5399 | struct prefix gw_ip; | |
5400 | ||
5401 | /* validate ip prefix */ | |
5402 | ret = str2prefix(ip_str, &p); | |
5403 | if (!ret) { | |
5404 | vty_out(vty, "%% Malformed prefix\n"); | |
5405 | return CMD_WARNING_CONFIG_FAILED; | |
5406 | } | |
5407 | apply_mask(&p); | |
5408 | if ((afi == AFI_L2VPN) | |
5409 | && (bgp_build_evpn_prefix(evpn_type, | |
5410 | ethtag != NULL ? atol(ethtag) : 0, &p))) { | |
5411 | vty_out(vty, "%% L2VPN prefix could not be forged\n"); | |
5412 | return CMD_WARNING_CONFIG_FAILED; | |
5413 | } | |
718e3744 | 5414 | |
d62a17ae | 5415 | ret = str2prefix_rd(rd_str, &prd); |
5416 | if (!ret) { | |
5417 | vty_out(vty, "%% Malformed rd\n"); | |
5418 | return CMD_WARNING_CONFIG_FAILED; | |
5419 | } | |
718e3744 | 5420 | |
d62a17ae | 5421 | if (label_str) { |
5422 | unsigned long label_val; | |
5423 | label_val = strtoul(label_str, NULL, 10); | |
5424 | encode_label(label_val, &label); | |
5425 | } | |
9bedbb1e | 5426 | |
d62a17ae | 5427 | if (safi == SAFI_EVPN) { |
5428 | if (esi && str2esi(esi, NULL) == 0) { | |
5429 | vty_out(vty, "%% Malformed ESI\n"); | |
5430 | return CMD_WARNING_CONFIG_FAILED; | |
5431 | } | |
5432 | if (routermac && prefix_str2mac(routermac, NULL) == 0) { | |
5433 | vty_out(vty, "%% Malformed Router MAC\n"); | |
5434 | return CMD_WARNING_CONFIG_FAILED; | |
5435 | } | |
5436 | if (gwip) { | |
5437 | memset(&gw_ip, 0, sizeof(struct prefix)); | |
5438 | ret = str2prefix(gwip, &gw_ip); | |
5439 | if (!ret) { | |
5440 | vty_out(vty, "%% Malformed GatewayIp\n"); | |
5441 | return CMD_WARNING_CONFIG_FAILED; | |
5442 | } | |
5443 | if ((gw_ip.family == AF_INET | |
3714a385 | 5444 | && is_evpn_prefix_ipaddr_v6( |
d62a17ae | 5445 | (struct prefix_evpn *)&p)) |
5446 | || (gw_ip.family == AF_INET6 | |
3714a385 | 5447 | && is_evpn_prefix_ipaddr_v4( |
d62a17ae | 5448 | (struct prefix_evpn *)&p))) { |
5449 | vty_out(vty, | |
5450 | "%% GatewayIp family differs with IP prefix\n"); | |
5451 | return CMD_WARNING_CONFIG_FAILED; | |
5452 | } | |
5453 | } | |
5454 | } | |
5455 | prn = bgp_node_get(bgp->route[afi][safi], (struct prefix *)&prd); | |
67009e22 DS |
5456 | if (!bgp_node_has_bgp_path_info_data(prn)) |
5457 | bgp_node_set_bgp_table_info(prn, | |
5458 | bgp_table_init(bgp, afi, safi)); | |
67009e22 | 5459 | table = bgp_node_get_bgp_table_info(prn); |
d62a17ae | 5460 | |
5461 | rn = bgp_node_get(table, &p); | |
5462 | ||
67009e22 | 5463 | if (bgp_node_has_bgp_path_info_data(rn)) { |
d62a17ae | 5464 | vty_out(vty, "%% Same network configuration exists\n"); |
5465 | bgp_unlock_node(rn); | |
5466 | } else { | |
5467 | /* New configuration. */ | |
5468 | bgp_static = bgp_static_new(); | |
5469 | bgp_static->backdoor = 0; | |
5470 | bgp_static->valid = 0; | |
5471 | bgp_static->igpmetric = 0; | |
5472 | bgp_static->igpnexthop.s_addr = 0; | |
5473 | bgp_static->label = label; | |
5474 | bgp_static->prd = prd; | |
5475 | ||
5476 | if (rmap_str) { | |
0a22ddfb | 5477 | XFREE(MTYPE_ROUTE_MAP_NAME, bgp_static->rmap.name); |
b4897fa5 | 5478 | route_map_counter_decrement(bgp_static->rmap.map); |
d62a17ae | 5479 | bgp_static->rmap.name = |
5480 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_str); | |
5481 | bgp_static->rmap.map = | |
5482 | route_map_lookup_by_name(rmap_str); | |
b4897fa5 | 5483 | route_map_counter_increment(bgp_static->rmap.map); |
d62a17ae | 5484 | } |
718e3744 | 5485 | |
d62a17ae | 5486 | if (safi == SAFI_EVPN) { |
5487 | if (esi) { | |
5488 | bgp_static->eth_s_id = | |
5489 | XCALLOC(MTYPE_ATTR, | |
5490 | sizeof(struct eth_segment_id)); | |
5491 | str2esi(esi, bgp_static->eth_s_id); | |
5492 | } | |
5493 | if (routermac) { | |
5494 | bgp_static->router_mac = | |
28328ea9 | 5495 | XCALLOC(MTYPE_ATTR, ETH_ALEN + 1); |
56cb79b6 A |
5496 | (void)prefix_str2mac(routermac, |
5497 | bgp_static->router_mac); | |
d62a17ae | 5498 | } |
5499 | if (gwip) | |
5500 | prefix_copy(&bgp_static->gatewayIp, &gw_ip); | |
5501 | } | |
5a8ba9fc | 5502 | bgp_node_set_bgp_static_info(rn, bgp_static); |
718e3744 | 5503 | |
d62a17ae | 5504 | bgp_static->valid = 1; |
5505 | bgp_static_update_safi(bgp, &p, bgp_static, afi, safi); | |
5506 | } | |
718e3744 | 5507 | |
d62a17ae | 5508 | return CMD_SUCCESS; |
718e3744 | 5509 | } |
5510 | ||
5511 | /* Configure static BGP network. */ | |
d62a17ae | 5512 | int bgp_static_unset_safi(afi_t afi, safi_t safi, struct vty *vty, |
5513 | const char *ip_str, const char *rd_str, | |
5514 | const char *label_str, int evpn_type, const char *esi, | |
5515 | const char *gwip, const char *ethtag) | |
5516 | { | |
5517 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5518 | int ret; | |
5519 | struct prefix p; | |
5520 | struct prefix_rd prd; | |
5521 | struct bgp_node *prn; | |
5522 | struct bgp_node *rn; | |
5523 | struct bgp_table *table; | |
5524 | struct bgp_static *bgp_static; | |
5525 | mpls_label_t label = MPLS_INVALID_LABEL; | |
5526 | ||
5527 | /* Convert IP prefix string to struct prefix. */ | |
5528 | ret = str2prefix(ip_str, &p); | |
5529 | if (!ret) { | |
5530 | vty_out(vty, "%% Malformed prefix\n"); | |
5531 | return CMD_WARNING_CONFIG_FAILED; | |
5532 | } | |
5533 | apply_mask(&p); | |
5534 | if ((afi == AFI_L2VPN) | |
5535 | && (bgp_build_evpn_prefix(evpn_type, | |
5536 | ethtag != NULL ? atol(ethtag) : 0, &p))) { | |
5537 | vty_out(vty, "%% L2VPN prefix could not be forged\n"); | |
5538 | return CMD_WARNING_CONFIG_FAILED; | |
5539 | } | |
5540 | ret = str2prefix_rd(rd_str, &prd); | |
5541 | if (!ret) { | |
5542 | vty_out(vty, "%% Malformed rd\n"); | |
5543 | return CMD_WARNING_CONFIG_FAILED; | |
5544 | } | |
718e3744 | 5545 | |
d62a17ae | 5546 | if (label_str) { |
5547 | unsigned long label_val; | |
5548 | label_val = strtoul(label_str, NULL, 10); | |
5549 | encode_label(label_val, &label); | |
5550 | } | |
718e3744 | 5551 | |
d62a17ae | 5552 | prn = bgp_node_get(bgp->route[afi][safi], (struct prefix *)&prd); |
67009e22 DS |
5553 | if (!bgp_node_has_bgp_path_info_data(prn)) |
5554 | bgp_node_set_bgp_table_info(prn, | |
5555 | bgp_table_init(bgp, afi, safi)); | |
d62a17ae | 5556 | else |
5557 | bgp_unlock_node(prn); | |
67009e22 | 5558 | table = bgp_node_get_bgp_table_info(prn); |
718e3744 | 5559 | |
d62a17ae | 5560 | rn = bgp_node_lookup(table, &p); |
6b0655a2 | 5561 | |
d62a17ae | 5562 | if (rn) { |
5563 | bgp_static_withdraw_safi(bgp, &p, afi, safi, &prd); | |
73ac8160 | 5564 | |
5a8ba9fc | 5565 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 5566 | bgp_static_free(bgp_static); |
5a8ba9fc | 5567 | bgp_node_set_bgp_static_info(rn, NULL); |
d62a17ae | 5568 | bgp_unlock_node(rn); |
5569 | bgp_unlock_node(rn); | |
5570 | } else | |
5571 | vty_out(vty, "%% Can't find the route\n"); | |
5572 | ||
5573 | return CMD_SUCCESS; | |
5574 | } | |
5575 | ||
5576 | static int bgp_table_map_set(struct vty *vty, afi_t afi, safi_t safi, | |
5577 | const char *rmap_name) | |
5578 | { | |
5579 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5580 | struct bgp_rmap *rmap; | |
5581 | ||
5582 | rmap = &bgp->table_map[afi][safi]; | |
5583 | if (rmap_name) { | |
0a22ddfb | 5584 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5585 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5586 | rmap->name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_name); |
5587 | rmap->map = route_map_lookup_by_name(rmap_name); | |
b4897fa5 | 5588 | route_map_counter_increment(rmap->map); |
d62a17ae | 5589 | } else { |
0a22ddfb | 5590 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5591 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5592 | rmap->name = NULL; |
5593 | rmap->map = NULL; | |
5594 | } | |
73ac8160 | 5595 | |
d62a17ae | 5596 | if (bgp_fibupd_safi(safi)) |
5597 | bgp_zebra_announce_table(bgp, afi, safi); | |
73ac8160 | 5598 | |
d62a17ae | 5599 | return CMD_SUCCESS; |
73ac8160 DS |
5600 | } |
5601 | ||
d62a17ae | 5602 | static int bgp_table_map_unset(struct vty *vty, afi_t afi, safi_t safi, |
5603 | const char *rmap_name) | |
73ac8160 | 5604 | { |
d62a17ae | 5605 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
5606 | struct bgp_rmap *rmap; | |
73ac8160 | 5607 | |
d62a17ae | 5608 | rmap = &bgp->table_map[afi][safi]; |
0a22ddfb | 5609 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5610 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5611 | rmap->name = NULL; |
5612 | rmap->map = NULL; | |
73ac8160 | 5613 | |
d62a17ae | 5614 | if (bgp_fibupd_safi(safi)) |
5615 | bgp_zebra_announce_table(bgp, afi, safi); | |
73ac8160 | 5616 | |
d62a17ae | 5617 | return CMD_SUCCESS; |
73ac8160 DS |
5618 | } |
5619 | ||
2b791107 | 5620 | void bgp_config_write_table_map(struct vty *vty, struct bgp *bgp, afi_t afi, |
60466a63 | 5621 | safi_t safi) |
73ac8160 | 5622 | { |
d62a17ae | 5623 | if (bgp->table_map[afi][safi].name) { |
d62a17ae | 5624 | vty_out(vty, " table-map %s\n", |
5625 | bgp->table_map[afi][safi].name); | |
5626 | } | |
73ac8160 DS |
5627 | } |
5628 | ||
73ac8160 DS |
5629 | DEFUN (bgp_table_map, |
5630 | bgp_table_map_cmd, | |
5631 | "table-map WORD", | |
5632 | "BGP table to RIB route download filter\n" | |
5633 | "Name of the route map\n") | |
5634 | { | |
d62a17ae | 5635 | int idx_word = 1; |
5636 | return bgp_table_map_set(vty, bgp_node_afi(vty), bgp_node_safi(vty), | |
5637 | argv[idx_word]->arg); | |
73ac8160 DS |
5638 | } |
5639 | DEFUN (no_bgp_table_map, | |
5640 | no_bgp_table_map_cmd, | |
5641 | "no table-map WORD", | |
3a2d747c | 5642 | NO_STR |
73ac8160 DS |
5643 | "BGP table to RIB route download filter\n" |
5644 | "Name of the route map\n") | |
5645 | { | |
d62a17ae | 5646 | int idx_word = 2; |
5647 | return bgp_table_map_unset(vty, bgp_node_afi(vty), bgp_node_safi(vty), | |
5648 | argv[idx_word]->arg); | |
73ac8160 DS |
5649 | } |
5650 | ||
e2a86ad9 DS |
5651 | DEFPY(bgp_network, |
5652 | bgp_network_cmd, | |
5653 | "[no] network \ | |
5654 | <A.B.C.D/M$prefix|A.B.C.D$address [mask A.B.C.D$netmask]> \ | |
5655 | [{route-map WORD$map_name|label-index (0-1048560)$label_index| \ | |
5656 | backdoor$backdoor}]", | |
5657 | NO_STR | |
5658 | "Specify a network to announce via BGP\n" | |
5659 | "IPv4 prefix\n" | |
5660 | "Network number\n" | |
5661 | "Network mask\n" | |
5662 | "Network mask\n" | |
5663 | "Route-map to modify the attributes\n" | |
5664 | "Name of the route map\n" | |
5665 | "Label index to associate with the prefix\n" | |
5666 | "Label index value\n" | |
5667 | "Specify a BGP backdoor route\n") | |
5668 | { | |
5669 | char addr_prefix_str[BUFSIZ]; | |
5670 | ||
5671 | if (address_str) { | |
5672 | int ret; | |
718e3744 | 5673 | |
e2a86ad9 DS |
5674 | ret = netmask_str2prefix_str(address_str, netmask_str, |
5675 | addr_prefix_str); | |
5676 | if (!ret) { | |
5677 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
5678 | return CMD_WARNING_CONFIG_FAILED; | |
5679 | } | |
d62a17ae | 5680 | } |
718e3744 | 5681 | |
a4d82a8a PZ |
5682 | return bgp_static_set( |
5683 | vty, no, address_str ? addr_prefix_str : prefix_str, AFI_IP, | |
5684 | bgp_node_safi(vty), map_name, backdoor ? 1 : 0, | |
5685 | label_index ? (uint32_t)label_index : BGP_INVALID_LABEL_INDEX); | |
718e3744 | 5686 | } |
5687 | ||
e2a86ad9 DS |
5688 | DEFPY(ipv6_bgp_network, |
5689 | ipv6_bgp_network_cmd, | |
5690 | "[no] network X:X::X:X/M$prefix \ | |
5691 | [{route-map WORD$map_name|label-index (0-1048560)$label_index}]", | |
5692 | NO_STR | |
5693 | "Specify a network to announce via BGP\n" | |
5694 | "IPv6 prefix\n" | |
5695 | "Route-map to modify the attributes\n" | |
5696 | "Name of the route map\n" | |
5697 | "Label index to associate with the prefix\n" | |
5698 | "Label index value\n") | |
718e3744 | 5699 | { |
a4d82a8a PZ |
5700 | return bgp_static_set( |
5701 | vty, no, prefix_str, AFI_IP6, bgp_node_safi(vty), map_name, 0, | |
5702 | label_index ? (uint32_t)label_index : BGP_INVALID_LABEL_INDEX); | |
1b6d5c7e VV |
5703 | } |
5704 | ||
d62a17ae | 5705 | static struct bgp_aggregate *bgp_aggregate_new(void) |
718e3744 | 5706 | { |
d62a17ae | 5707 | return XCALLOC(MTYPE_BGP_AGGREGATE, sizeof(struct bgp_aggregate)); |
718e3744 | 5708 | } |
5709 | ||
d62a17ae | 5710 | static void bgp_aggregate_free(struct bgp_aggregate *aggregate) |
718e3744 | 5711 | { |
20894f50 DA |
5712 | XFREE(MTYPE_ROUTE_MAP_NAME, aggregate->rmap.name); |
5713 | route_map_counter_decrement(aggregate->rmap.map); | |
d62a17ae | 5714 | XFREE(MTYPE_BGP_AGGREGATE, aggregate); |
5715 | } | |
718e3744 | 5716 | |
40381db7 | 5717 | static int bgp_aggregate_info_same(struct bgp_path_info *pi, uint8_t origin, |
29f7d023 | 5718 | struct aspath *aspath, |
3da2cc32 | 5719 | struct community *comm, |
dd18c5a9 DS |
5720 | struct ecommunity *ecomm, |
5721 | struct lcommunity *lcomm) | |
eaaf8adb DS |
5722 | { |
5723 | static struct aspath *ae = NULL; | |
5724 | ||
5725 | if (!ae) | |
5726 | ae = aspath_empty(); | |
5727 | ||
40381db7 | 5728 | if (!pi) |
eaaf8adb DS |
5729 | return 0; |
5730 | ||
40381db7 | 5731 | if (origin != pi->attr->origin) |
eaaf8adb DS |
5732 | return 0; |
5733 | ||
40381db7 | 5734 | if (!aspath_cmp(pi->attr->aspath, (aspath) ? aspath : ae)) |
29f7d023 DS |
5735 | return 0; |
5736 | ||
40381db7 | 5737 | if (!community_cmp(pi->attr->community, comm)) |
eaaf8adb DS |
5738 | return 0; |
5739 | ||
3da2cc32 | 5740 | if (!ecommunity_cmp(pi->attr->ecommunity, ecomm)) |
eaaf8adb DS |
5741 | return 0; |
5742 | ||
dd18c5a9 DS |
5743 | if (!lcommunity_cmp(pi->attr->lcommunity, lcomm)) |
5744 | return 0; | |
5745 | ||
40381db7 | 5746 | if (!CHECK_FLAG(pi->flags, BGP_PATH_VALID)) |
7ce8a8e0 DS |
5747 | return 0; |
5748 | ||
eaaf8adb DS |
5749 | return 1; |
5750 | } | |
5751 | ||
c701010e DS |
5752 | static void bgp_aggregate_install(struct bgp *bgp, afi_t afi, safi_t safi, |
5753 | struct prefix *p, uint8_t origin, | |
5754 | struct aspath *aspath, | |
5755 | struct community *community, | |
3da2cc32 | 5756 | struct ecommunity *ecommunity, |
dd18c5a9 | 5757 | struct lcommunity *lcommunity, |
c701010e DS |
5758 | uint8_t atomic_aggregate, |
5759 | struct bgp_aggregate *aggregate) | |
5760 | { | |
5761 | struct bgp_node *rn; | |
5762 | struct bgp_table *table; | |
6f94b685 | 5763 | struct bgp_path_info *pi, *orig, *new; |
20894f50 | 5764 | struct attr *attr; |
c701010e DS |
5765 | |
5766 | table = bgp->rib[afi][safi]; | |
5767 | ||
5768 | rn = bgp_node_get(table, p); | |
eaaf8adb | 5769 | |
6f94b685 | 5770 | for (orig = pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
5771 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
5772 | && pi->sub_type == BGP_ROUTE_AGGREGATE) | |
eaaf8adb DS |
5773 | break; |
5774 | ||
c701010e | 5775 | if (aggregate->count > 0) { |
eaaf8adb DS |
5776 | /* |
5777 | * If the aggregate information has not changed | |
5778 | * no need to re-install it again. | |
5779 | */ | |
6f94b685 | 5780 | if (bgp_aggregate_info_same(orig, origin, aspath, community, |
dd18c5a9 | 5781 | ecommunity, lcommunity)) { |
eaaf8adb DS |
5782 | bgp_unlock_node(rn); |
5783 | ||
5784 | if (aspath) | |
5785 | aspath_free(aspath); | |
5786 | if (community) | |
3c1f53de | 5787 | community_free(&community); |
3da2cc32 DS |
5788 | if (ecommunity) |
5789 | ecommunity_free(&ecommunity); | |
dd18c5a9 DS |
5790 | if (lcommunity) |
5791 | lcommunity_free(&lcommunity); | |
eaaf8adb DS |
5792 | |
5793 | return; | |
5794 | } | |
5795 | ||
5796 | /* | |
5797 | * Mark the old as unusable | |
5798 | */ | |
40381db7 DS |
5799 | if (pi) |
5800 | bgp_path_info_delete(rn, pi); | |
eaaf8adb | 5801 | |
20894f50 DA |
5802 | attr = bgp_attr_aggregate_intern( |
5803 | bgp, origin, aspath, community, ecommunity, lcommunity, | |
5804 | aggregate, atomic_aggregate, p); | |
5805 | ||
5806 | if (!attr) { | |
5807 | bgp_aggregate_delete(bgp, p, afi, safi, aggregate); | |
5808 | return; | |
5809 | } | |
5810 | ||
3da2cc32 | 5811 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_AGGREGATE, 0, |
20894f50 DA |
5812 | bgp->peer_self, attr, rn); |
5813 | ||
1defdda8 | 5814 | SET_FLAG(new->flags, BGP_PATH_VALID); |
c701010e | 5815 | |
18ee8310 | 5816 | bgp_path_info_add(rn, new); |
c701010e DS |
5817 | bgp_process(bgp, rn, afi, safi); |
5818 | } else { | |
6f94b685 | 5819 | for (pi = orig; pi; pi = pi->next) |
40381db7 DS |
5820 | if (pi->peer == bgp->peer_self |
5821 | && pi->type == ZEBRA_ROUTE_BGP | |
5822 | && pi->sub_type == BGP_ROUTE_AGGREGATE) | |
c701010e DS |
5823 | break; |
5824 | ||
5825 | /* Withdraw static BGP route from routing table. */ | |
40381db7 DS |
5826 | if (pi) { |
5827 | bgp_path_info_delete(rn, pi); | |
c701010e DS |
5828 | bgp_process(bgp, rn, afi, safi); |
5829 | } | |
5830 | } | |
5831 | ||
5832 | bgp_unlock_node(rn); | |
5833 | } | |
5834 | ||
b5d58c32 | 5835 | /* Update an aggregate as routes are added/removed from the BGP table */ |
20894f50 | 5836 | void bgp_aggregate_route(struct bgp *bgp, struct prefix *p, |
fc968841 | 5837 | afi_t afi, safi_t safi, |
d62a17ae | 5838 | struct bgp_aggregate *aggregate) |
5839 | { | |
5840 | struct bgp_table *table; | |
5841 | struct bgp_node *top; | |
5842 | struct bgp_node *rn; | |
d7c0a89a | 5843 | uint8_t origin; |
d62a17ae | 5844 | struct aspath *aspath = NULL; |
d62a17ae | 5845 | struct community *community = NULL; |
3da2cc32 | 5846 | struct ecommunity *ecommunity = NULL; |
dd18c5a9 | 5847 | struct lcommunity *lcommunity = NULL; |
40381db7 | 5848 | struct bgp_path_info *pi; |
d62a17ae | 5849 | unsigned long match = 0; |
d7c0a89a | 5850 | uint8_t atomic_aggregate = 0; |
d62a17ae | 5851 | |
9f822fa2 S |
5852 | /* If the bgp instance is being deleted or self peer is deleted |
5853 | * then do not create aggregate route | |
5854 | */ | |
5855 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS) || | |
5856 | (bgp->peer_self == NULL)) | |
5857 | return; | |
5858 | ||
d62a17ae | 5859 | /* ORIGIN attribute: If at least one route among routes that are |
5860 | aggregated has ORIGIN with the value INCOMPLETE, then the | |
5861 | aggregated route must have the ORIGIN attribute with the value | |
5862 | INCOMPLETE. Otherwise, if at least one route among routes that | |
5863 | are aggregated has ORIGIN with the value EGP, then the aggregated | |
5864 | route must have the origin attribute with the value EGP. In all | |
5865 | other case the value of the ORIGIN attribute of the aggregated | |
5866 | route is INTERNAL. */ | |
5867 | origin = BGP_ORIGIN_IGP; | |
718e3744 | 5868 | |
d62a17ae | 5869 | table = bgp->rib[afi][safi]; |
718e3744 | 5870 | |
d62a17ae | 5871 | top = bgp_node_get(table, p); |
5872 | for (rn = bgp_node_get(table, p); rn; | |
c2ff8b3e DS |
5873 | rn = bgp_route_next_until(rn, top)) { |
5874 | if (rn->p.prefixlen <= p->prefixlen) | |
5875 | continue; | |
d62a17ae | 5876 | |
c2ff8b3e | 5877 | match = 0; |
d62a17ae | 5878 | |
6f94b685 | 5879 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 5880 | if (BGP_PATH_HOLDDOWN(pi)) |
c2ff8b3e | 5881 | continue; |
718e3744 | 5882 | |
40381db7 | 5883 | if (pi->attr->flag |
c2ff8b3e DS |
5884 | & ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE)) |
5885 | atomic_aggregate = 1; | |
d62a17ae | 5886 | |
40381db7 | 5887 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) |
c2ff8b3e | 5888 | continue; |
d62a17ae | 5889 | |
f273fef1 DS |
5890 | /* |
5891 | * summary-only aggregate route suppress | |
5892 | * aggregated route announcements. | |
5893 | */ | |
c2ff8b3e | 5894 | if (aggregate->summary_only) { |
40381db7 DS |
5895 | (bgp_path_info_extra_get(pi))->suppress++; |
5896 | bgp_path_info_set_flag(rn, pi, | |
18ee8310 | 5897 | BGP_PATH_ATTR_CHANGED); |
c2ff8b3e | 5898 | match++; |
d62a17ae | 5899 | } |
c2ff8b3e DS |
5900 | |
5901 | aggregate->count++; | |
5902 | ||
f273fef1 DS |
5903 | /* |
5904 | * If at least one route among routes that are | |
5905 | * aggregated has ORIGIN with the value INCOMPLETE, | |
5906 | * then the aggregated route MUST have the ORIGIN | |
5907 | * attribute with the value INCOMPLETE. Otherwise, if | |
5908 | * at least one route among routes that are aggregated | |
5909 | * has ORIGIN with the value EGP, then the aggregated | |
5910 | * route MUST have the ORIGIN attribute with the value | |
5911 | * EGP. | |
5912 | */ | |
fc968841 NT |
5913 | switch (pi->attr->origin) { |
5914 | case BGP_ORIGIN_INCOMPLETE: | |
5915 | aggregate->incomplete_origin_count++; | |
5916 | break; | |
5917 | case BGP_ORIGIN_EGP: | |
5918 | aggregate->egp_origin_count++; | |
5919 | break; | |
5920 | default: | |
5921 | /*Do nothing. | |
5922 | */ | |
5923 | break; | |
5924 | } | |
c2ff8b3e DS |
5925 | |
5926 | if (!aggregate->as_set) | |
5927 | continue; | |
5928 | ||
f273fef1 DS |
5929 | /* |
5930 | * as-set aggregate route generate origin, as path, | |
5931 | * and community aggregation. | |
5932 | */ | |
fc968841 NT |
5933 | /* Compute aggregate route's as-path. |
5934 | */ | |
ef51a7d8 | 5935 | bgp_compute_aggregate_aspath_hash(aggregate, |
5936 | pi->attr->aspath); | |
c2ff8b3e | 5937 | |
fc968841 NT |
5938 | /* Compute aggregate route's community. |
5939 | */ | |
5940 | if (pi->attr->community) | |
21fec674 | 5941 | bgp_compute_aggregate_community_hash( |
fc968841 NT |
5942 | aggregate, |
5943 | pi->attr->community); | |
dd18c5a9 | 5944 | |
fc968841 NT |
5945 | /* Compute aggregate route's extended community. |
5946 | */ | |
5947 | if (pi->attr->ecommunity) | |
4edd83f9 | 5948 | bgp_compute_aggregate_ecommunity_hash( |
fc968841 NT |
5949 | aggregate, |
5950 | pi->attr->ecommunity); | |
5951 | ||
5952 | /* Compute aggregate route's large community. | |
5953 | */ | |
5954 | if (pi->attr->lcommunity) | |
f1eb1f05 | 5955 | bgp_compute_aggregate_lcommunity_hash( |
fc968841 NT |
5956 | aggregate, |
5957 | pi->attr->lcommunity); | |
d62a17ae | 5958 | } |
c2ff8b3e DS |
5959 | if (match) |
5960 | bgp_process(bgp, rn, afi, safi); | |
5961 | } | |
21fec674 | 5962 | if (aggregate->as_set) { |
ef51a7d8 | 5963 | bgp_compute_aggregate_aspath_val(aggregate); |
21fec674 | 5964 | bgp_compute_aggregate_community_val(aggregate); |
4edd83f9 | 5965 | bgp_compute_aggregate_ecommunity_val(aggregate); |
f1eb1f05 | 5966 | bgp_compute_aggregate_lcommunity_val(aggregate); |
21fec674 | 5967 | } |
5968 | ||
f1eb1f05 | 5969 | |
d62a17ae | 5970 | bgp_unlock_node(top); |
718e3744 | 5971 | |
718e3744 | 5972 | |
fc968841 NT |
5973 | if (aggregate->incomplete_origin_count > 0) |
5974 | origin = BGP_ORIGIN_INCOMPLETE; | |
5975 | else if (aggregate->egp_origin_count > 0) | |
5976 | origin = BGP_ORIGIN_EGP; | |
d62a17ae | 5977 | |
fc968841 NT |
5978 | if (aggregate->as_set) { |
5979 | if (aggregate->aspath) | |
5980 | /* Retrieve aggregate route's as-path. | |
5981 | */ | |
5982 | aspath = aspath_dup(aggregate->aspath); | |
d62a17ae | 5983 | |
fc968841 NT |
5984 | if (aggregate->community) |
5985 | /* Retrieve aggregate route's community. | |
5986 | */ | |
5987 | community = community_dup(aggregate->community); | |
3da2cc32 | 5988 | |
fc968841 NT |
5989 | if (aggregate->ecommunity) |
5990 | /* Retrieve aggregate route's ecommunity. | |
5991 | */ | |
5992 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
dd18c5a9 | 5993 | |
fc968841 NT |
5994 | if (aggregate->lcommunity) |
5995 | /* Retrieve aggregate route's lcommunity. | |
5996 | */ | |
5997 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
718e3744 | 5998 | } |
718e3744 | 5999 | |
c701010e | 6000 | bgp_aggregate_install(bgp, afi, safi, p, origin, aspath, community, |
dd18c5a9 DS |
6001 | ecommunity, lcommunity, atomic_aggregate, |
6002 | aggregate); | |
718e3744 | 6003 | } |
6004 | ||
20894f50 | 6005 | void bgp_aggregate_delete(struct bgp *bgp, struct prefix *p, afi_t afi, |
3b7db173 DS |
6006 | safi_t safi, struct bgp_aggregate *aggregate) |
6007 | { | |
6008 | struct bgp_table *table; | |
6009 | struct bgp_node *top; | |
6010 | struct bgp_node *rn; | |
40381db7 | 6011 | struct bgp_path_info *pi; |
3b7db173 DS |
6012 | unsigned long match; |
6013 | ||
6014 | table = bgp->rib[afi][safi]; | |
6015 | ||
6016 | /* If routes exists below this node, generate aggregate routes. */ | |
6017 | top = bgp_node_get(table, p); | |
6018 | for (rn = bgp_node_get(table, p); rn; | |
6019 | rn = bgp_route_next_until(rn, top)) { | |
6020 | if (rn->p.prefixlen <= p->prefixlen) | |
6021 | continue; | |
6022 | match = 0; | |
6023 | ||
6f94b685 | 6024 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 6025 | if (BGP_PATH_HOLDDOWN(pi)) |
3b7db173 DS |
6026 | continue; |
6027 | ||
40381db7 | 6028 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) |
3b7db173 DS |
6029 | continue; |
6030 | ||
40381db7 DS |
6031 | if (aggregate->summary_only && pi->extra) { |
6032 | pi->extra->suppress--; | |
3b7db173 | 6033 | |
40381db7 | 6034 | if (pi->extra->suppress == 0) { |
18ee8310 | 6035 | bgp_path_info_set_flag( |
40381db7 | 6036 | rn, pi, BGP_PATH_ATTR_CHANGED); |
3b7db173 DS |
6037 | match++; |
6038 | } | |
6039 | } | |
6040 | aggregate->count--; | |
fc968841 NT |
6041 | |
6042 | if (pi->attr->origin == BGP_ORIGIN_INCOMPLETE) | |
6043 | aggregate->incomplete_origin_count--; | |
6044 | else if (pi->attr->origin == BGP_ORIGIN_EGP) | |
6045 | aggregate->egp_origin_count--; | |
6046 | ||
6047 | if (aggregate->as_set) { | |
6048 | /* Remove as-path from aggregate. | |
6049 | */ | |
ef51a7d8 | 6050 | bgp_remove_aspath_from_aggregate_hash( |
fc968841 NT |
6051 | aggregate, |
6052 | pi->attr->aspath); | |
6053 | ||
6054 | if (pi->attr->community) | |
6055 | /* Remove community from aggregate. | |
6056 | */ | |
21fec674 | 6057 | bgp_remove_comm_from_aggregate_hash( |
fc968841 NT |
6058 | aggregate, |
6059 | pi->attr->community); | |
6060 | ||
6061 | if (pi->attr->ecommunity) | |
6062 | /* Remove ecommunity from aggregate. | |
6063 | */ | |
4edd83f9 | 6064 | bgp_remove_ecomm_from_aggregate_hash( |
fc968841 NT |
6065 | aggregate, |
6066 | pi->attr->ecommunity); | |
6067 | ||
6068 | if (pi->attr->lcommunity) | |
6069 | /* Remove lcommunity from aggregate. | |
6070 | */ | |
f1eb1f05 | 6071 | bgp_remove_lcomm_from_aggregate_hash( |
fc968841 NT |
6072 | aggregate, |
6073 | pi->attr->lcommunity); | |
6074 | } | |
6075 | ||
3b7db173 DS |
6076 | } |
6077 | ||
6078 | /* If this node was suppressed, process the change. */ | |
6079 | if (match) | |
6080 | bgp_process(bgp, rn, afi, safi); | |
6081 | } | |
f1eb1f05 | 6082 | if (aggregate->as_set) { |
ef51a7d8 | 6083 | aspath_free(aggregate->aspath); |
6084 | aggregate->aspath = NULL; | |
21fec674 | 6085 | if (aggregate->community) |
6086 | community_free(&aggregate->community); | |
4edd83f9 | 6087 | if (aggregate->ecommunity) |
6088 | ecommunity_free(&aggregate->ecommunity); | |
f1eb1f05 | 6089 | if (aggregate->lcommunity) |
6090 | lcommunity_free(&aggregate->lcommunity); | |
6091 | } | |
6092 | ||
3b7db173 DS |
6093 | bgp_unlock_node(top); |
6094 | } | |
718e3744 | 6095 | |
fc968841 NT |
6096 | static void bgp_add_route_to_aggregate(struct bgp *bgp, struct prefix *aggr_p, |
6097 | struct bgp_path_info *pinew, afi_t afi, | |
6098 | safi_t safi, | |
6099 | struct bgp_aggregate *aggregate) | |
6100 | { | |
6101 | uint8_t origin; | |
6102 | struct aspath *aspath = NULL; | |
6103 | uint8_t atomic_aggregate = 0; | |
6104 | struct community *community = NULL; | |
6105 | struct ecommunity *ecommunity = NULL; | |
6106 | struct lcommunity *lcommunity = NULL; | |
6107 | ||
6108 | /* ORIGIN attribute: If at least one route among routes that are | |
6109 | * aggregated has ORIGIN with the value INCOMPLETE, then the | |
6110 | * aggregated route must have the ORIGIN attribute with the value | |
6111 | * INCOMPLETE. Otherwise, if at least one route among routes that | |
6112 | * are aggregated has ORIGIN with the value EGP, then the aggregated | |
6113 | * route must have the origin attribute with the value EGP. In all | |
6114 | * other case the value of the ORIGIN attribute of the aggregated | |
6115 | * route is INTERNAL. | |
6116 | */ | |
6117 | origin = BGP_ORIGIN_IGP; | |
6118 | ||
6119 | aggregate->count++; | |
6120 | ||
6121 | if (aggregate->summary_only) | |
6122 | (bgp_path_info_extra_get(pinew))->suppress++; | |
6123 | ||
6124 | switch (pinew->attr->origin) { | |
6125 | case BGP_ORIGIN_INCOMPLETE: | |
6126 | aggregate->incomplete_origin_count++; | |
6127 | break; | |
6128 | case BGP_ORIGIN_EGP: | |
6129 | aggregate->egp_origin_count++; | |
6130 | break; | |
6131 | default: | |
6132 | /* Do nothing. | |
6133 | */ | |
6134 | break; | |
6135 | } | |
6136 | ||
6137 | if (aggregate->incomplete_origin_count > 0) | |
6138 | origin = BGP_ORIGIN_INCOMPLETE; | |
6139 | else if (aggregate->egp_origin_count > 0) | |
6140 | origin = BGP_ORIGIN_EGP; | |
6141 | ||
6142 | if (aggregate->as_set) { | |
6143 | /* Compute aggregate route's as-path. | |
6144 | */ | |
6145 | bgp_compute_aggregate_aspath(aggregate, | |
6146 | pinew->attr->aspath); | |
6147 | ||
6148 | /* Compute aggregate route's community. | |
6149 | */ | |
6150 | if (pinew->attr->community) | |
6151 | bgp_compute_aggregate_community( | |
6152 | aggregate, | |
6153 | pinew->attr->community); | |
6154 | ||
6155 | /* Compute aggregate route's extended community. | |
6156 | */ | |
6157 | if (pinew->attr->ecommunity) | |
6158 | bgp_compute_aggregate_ecommunity( | |
6159 | aggregate, | |
6160 | pinew->attr->ecommunity); | |
6161 | ||
6162 | /* Compute aggregate route's large community. | |
6163 | */ | |
6164 | if (pinew->attr->lcommunity) | |
6165 | bgp_compute_aggregate_lcommunity( | |
6166 | aggregate, | |
6167 | pinew->attr->lcommunity); | |
6168 | ||
6169 | /* Retrieve aggregate route's as-path. | |
6170 | */ | |
6171 | if (aggregate->aspath) | |
6172 | aspath = aspath_dup(aggregate->aspath); | |
6173 | ||
6174 | /* Retrieve aggregate route's community. | |
6175 | */ | |
6176 | if (aggregate->community) | |
6177 | community = community_dup(aggregate->community); | |
6178 | ||
6179 | /* Retrieve aggregate route's ecommunity. | |
6180 | */ | |
6181 | if (aggregate->ecommunity) | |
6182 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
6183 | ||
6184 | /* Retrieve aggregate route's lcommunity. | |
6185 | */ | |
6186 | if (aggregate->lcommunity) | |
6187 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
6188 | } | |
6189 | ||
6190 | bgp_aggregate_install(bgp, afi, safi, aggr_p, origin, | |
6191 | aspath, community, ecommunity, | |
6192 | lcommunity, atomic_aggregate, aggregate); | |
6193 | } | |
6194 | ||
6195 | static void bgp_remove_route_from_aggregate(struct bgp *bgp, afi_t afi, | |
6196 | safi_t safi, | |
6197 | struct bgp_path_info *pi, | |
6198 | struct bgp_aggregate *aggregate, | |
6199 | struct prefix *aggr_p) | |
6200 | { | |
6201 | uint8_t origin; | |
6202 | struct aspath *aspath = NULL; | |
6203 | uint8_t atomic_aggregate = 0; | |
6204 | struct community *community = NULL; | |
6205 | struct ecommunity *ecommunity = NULL; | |
6206 | struct lcommunity *lcommunity = NULL; | |
6207 | unsigned long match = 0; | |
6208 | ||
6209 | if (BGP_PATH_HOLDDOWN(pi)) | |
6210 | return; | |
6211 | ||
6212 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) | |
6213 | return; | |
6214 | ||
6215 | if (aggregate->summary_only | |
6216 | && pi->extra | |
6217 | && pi->extra->suppress > 0) { | |
6218 | pi->extra->suppress--; | |
6219 | ||
6220 | if (pi->extra->suppress == 0) { | |
6221 | bgp_path_info_set_flag(pi->net, pi, | |
6222 | BGP_PATH_ATTR_CHANGED); | |
6223 | match++; | |
6224 | } | |
6225 | } | |
6226 | ||
6227 | if (aggregate->count > 0) | |
6228 | aggregate->count--; | |
6229 | ||
6230 | if (pi->attr->origin == BGP_ORIGIN_INCOMPLETE) | |
6231 | aggregate->incomplete_origin_count--; | |
6232 | else if (pi->attr->origin == BGP_ORIGIN_EGP) | |
6233 | aggregate->egp_origin_count--; | |
6234 | ||
6235 | if (aggregate->as_set) { | |
6236 | /* Remove as-path from aggregate. | |
6237 | */ | |
6238 | bgp_remove_aspath_from_aggregate(aggregate, | |
6239 | pi->attr->aspath); | |
6240 | ||
6241 | if (pi->attr->community) | |
6242 | /* Remove community from aggregate. | |
6243 | */ | |
6244 | bgp_remove_community_from_aggregate( | |
6245 | aggregate, | |
6246 | pi->attr->community); | |
6247 | ||
6248 | if (pi->attr->ecommunity) | |
6249 | /* Remove ecommunity from aggregate. | |
6250 | */ | |
6251 | bgp_remove_ecommunity_from_aggregate( | |
6252 | aggregate, | |
6253 | pi->attr->ecommunity); | |
6254 | ||
6255 | if (pi->attr->lcommunity) | |
6256 | /* Remove lcommunity from aggregate. | |
6257 | */ | |
6258 | bgp_remove_lcommunity_from_aggregate( | |
6259 | aggregate, | |
6260 | pi->attr->lcommunity); | |
6261 | } | |
6262 | ||
6263 | /* If this node was suppressed, process the change. */ | |
6264 | if (match) | |
6265 | bgp_process(bgp, pi->net, afi, safi); | |
6266 | ||
6267 | origin = BGP_ORIGIN_IGP; | |
6268 | if (aggregate->incomplete_origin_count > 0) | |
6269 | origin = BGP_ORIGIN_INCOMPLETE; | |
6270 | else if (aggregate->egp_origin_count > 0) | |
6271 | origin = BGP_ORIGIN_EGP; | |
6272 | ||
6273 | if (aggregate->as_set) { | |
6274 | /* Retrieve aggregate route's as-path. | |
6275 | */ | |
6276 | if (aggregate->aspath) | |
6277 | aspath = aspath_dup(aggregate->aspath); | |
6278 | ||
6279 | /* Retrieve aggregate route's community. | |
6280 | */ | |
6281 | if (aggregate->community) | |
6282 | community = community_dup(aggregate->community); | |
6283 | ||
6284 | /* Retrieve aggregate route's ecommunity. | |
6285 | */ | |
6286 | if (aggregate->ecommunity) | |
6287 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
6288 | ||
6289 | /* Retrieve aggregate route's lcommunity. | |
6290 | */ | |
6291 | if (aggregate->lcommunity) | |
6292 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
6293 | } | |
6294 | ||
6295 | bgp_aggregate_install(bgp, afi, safi, aggr_p, origin, | |
6296 | aspath, community, ecommunity, | |
6297 | lcommunity, atomic_aggregate, aggregate); | |
6298 | } | |
6299 | ||
d62a17ae | 6300 | void bgp_aggregate_increment(struct bgp *bgp, struct prefix *p, |
40381db7 | 6301 | struct bgp_path_info *pi, afi_t afi, safi_t safi) |
718e3744 | 6302 | { |
d62a17ae | 6303 | struct bgp_node *child; |
6304 | struct bgp_node *rn; | |
6305 | struct bgp_aggregate *aggregate; | |
6306 | struct bgp_table *table; | |
718e3744 | 6307 | |
d62a17ae | 6308 | table = bgp->aggregate[afi][safi]; |
f018db83 | 6309 | |
d62a17ae | 6310 | /* No aggregates configured. */ |
6311 | if (bgp_table_top_nolock(table) == NULL) | |
6312 | return; | |
f018db83 | 6313 | |
d62a17ae | 6314 | if (p->prefixlen == 0) |
6315 | return; | |
718e3744 | 6316 | |
40381db7 | 6317 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 6318 | return; |
718e3744 | 6319 | |
d62a17ae | 6320 | child = bgp_node_get(table, p); |
718e3744 | 6321 | |
d62a17ae | 6322 | /* Aggregate address configuration check. */ |
b1e62edd | 6323 | for (rn = child; rn; rn = bgp_node_parent_nolock(rn)) { |
b613a918 | 6324 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 6325 | if (aggregate != NULL && rn->p.prefixlen < p->prefixlen) { |
fc968841 NT |
6326 | bgp_add_route_to_aggregate(bgp, &rn->p, pi, afi, |
6327 | safi, aggregate); | |
d62a17ae | 6328 | } |
b1e62edd | 6329 | } |
d62a17ae | 6330 | bgp_unlock_node(child); |
718e3744 | 6331 | } |
6332 | ||
d62a17ae | 6333 | void bgp_aggregate_decrement(struct bgp *bgp, struct prefix *p, |
4b7e6066 | 6334 | struct bgp_path_info *del, afi_t afi, safi_t safi) |
718e3744 | 6335 | { |
d62a17ae | 6336 | struct bgp_node *child; |
6337 | struct bgp_node *rn; | |
6338 | struct bgp_aggregate *aggregate; | |
6339 | struct bgp_table *table; | |
718e3744 | 6340 | |
d62a17ae | 6341 | table = bgp->aggregate[afi][safi]; |
718e3744 | 6342 | |
d62a17ae | 6343 | /* No aggregates configured. */ |
6344 | if (bgp_table_top_nolock(table) == NULL) | |
6345 | return; | |
718e3744 | 6346 | |
d62a17ae | 6347 | if (p->prefixlen == 0) |
6348 | return; | |
718e3744 | 6349 | |
d62a17ae | 6350 | child = bgp_node_get(table, p); |
718e3744 | 6351 | |
d62a17ae | 6352 | /* Aggregate address configuration check. */ |
b1e62edd | 6353 | for (rn = child; rn; rn = bgp_node_parent_nolock(rn)) { |
b613a918 | 6354 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 6355 | if (aggregate != NULL && rn->p.prefixlen < p->prefixlen) { |
fc968841 NT |
6356 | bgp_remove_route_from_aggregate(bgp, afi, safi, |
6357 | del, aggregate, &rn->p); | |
d62a17ae | 6358 | } |
b1e62edd | 6359 | } |
d62a17ae | 6360 | bgp_unlock_node(child); |
6361 | } | |
718e3744 | 6362 | |
718e3744 | 6363 | /* Aggregate route attribute. */ |
6364 | #define AGGREGATE_SUMMARY_ONLY 1 | |
6365 | #define AGGREGATE_AS_SET 1 | |
6366 | ||
d62a17ae | 6367 | static int bgp_aggregate_unset(struct vty *vty, const char *prefix_str, |
6368 | afi_t afi, safi_t safi) | |
718e3744 | 6369 | { |
d62a17ae | 6370 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
6371 | int ret; | |
6372 | struct prefix p; | |
6373 | struct bgp_node *rn; | |
6374 | struct bgp_aggregate *aggregate; | |
718e3744 | 6375 | |
d62a17ae | 6376 | /* Convert string to prefix structure. */ |
6377 | ret = str2prefix(prefix_str, &p); | |
6378 | if (!ret) { | |
6379 | vty_out(vty, "Malformed prefix\n"); | |
6380 | return CMD_WARNING_CONFIG_FAILED; | |
6381 | } | |
6382 | apply_mask(&p); | |
6383 | ||
6384 | /* Old configuration check. */ | |
6385 | rn = bgp_node_lookup(bgp->aggregate[afi][safi], &p); | |
6386 | if (!rn) { | |
6387 | vty_out(vty, | |
6388 | "%% There is no aggregate-address configuration.\n"); | |
6389 | return CMD_WARNING_CONFIG_FAILED; | |
6390 | } | |
f6269b4f | 6391 | |
b613a918 | 6392 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
09990cdd | 6393 | bgp_aggregate_delete(bgp, &p, afi, safi, aggregate); |
dd18c5a9 DS |
6394 | bgp_aggregate_install(bgp, afi, safi, &p, 0, NULL, NULL, |
6395 | NULL, NULL, 0, aggregate); | |
d62a17ae | 6396 | |
6397 | /* Unlock aggregate address configuration. */ | |
b613a918 | 6398 | bgp_node_set_bgp_aggregate_info(rn, NULL); |
fc968841 NT |
6399 | |
6400 | if (aggregate->community) | |
6401 | community_free(&aggregate->community); | |
6402 | ||
6403 | if (aggregate->community_hash) { | |
6404 | /* Delete all communities in the hash. | |
6405 | */ | |
6406 | hash_clean(aggregate->community_hash, | |
6407 | bgp_aggr_community_remove); | |
6408 | /* Free up the community_hash. | |
6409 | */ | |
6410 | hash_free(aggregate->community_hash); | |
6411 | } | |
6412 | ||
6413 | if (aggregate->ecommunity) | |
6414 | ecommunity_free(&aggregate->ecommunity); | |
6415 | ||
6416 | if (aggregate->ecommunity_hash) { | |
6417 | /* Delete all ecommunities in the hash. | |
6418 | */ | |
6419 | hash_clean(aggregate->ecommunity_hash, | |
6420 | bgp_aggr_ecommunity_remove); | |
6421 | /* Free up the ecommunity_hash. | |
6422 | */ | |
6423 | hash_free(aggregate->ecommunity_hash); | |
6424 | } | |
6425 | ||
6426 | if (aggregate->lcommunity) | |
6427 | lcommunity_free(&aggregate->lcommunity); | |
6428 | ||
6429 | if (aggregate->lcommunity_hash) { | |
6430 | /* Delete all lcommunities in the hash. | |
6431 | */ | |
6432 | hash_clean(aggregate->lcommunity_hash, | |
6433 | bgp_aggr_lcommunity_remove); | |
6434 | /* Free up the lcommunity_hash. | |
6435 | */ | |
6436 | hash_free(aggregate->lcommunity_hash); | |
6437 | } | |
6438 | ||
6439 | if (aggregate->aspath) | |
6440 | aspath_free(aggregate->aspath); | |
6441 | ||
6442 | if (aggregate->aspath_hash) { | |
6443 | /* Delete all as-paths in the hash. | |
6444 | */ | |
6445 | hash_clean(aggregate->aspath_hash, | |
6446 | bgp_aggr_aspath_remove); | |
6447 | /* Free up the aspath_hash. | |
6448 | */ | |
6449 | hash_free(aggregate->aspath_hash); | |
6450 | } | |
6451 | ||
d62a17ae | 6452 | bgp_aggregate_free(aggregate); |
6453 | bgp_unlock_node(rn); | |
6454 | bgp_unlock_node(rn); | |
6455 | ||
6456 | return CMD_SUCCESS; | |
6457 | } | |
6458 | ||
6459 | static int bgp_aggregate_set(struct vty *vty, const char *prefix_str, afi_t afi, | |
20894f50 DA |
6460 | safi_t safi, const char *rmap, uint8_t summary_only, |
6461 | uint8_t as_set) | |
d62a17ae | 6462 | { |
6463 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
6464 | int ret; | |
6465 | struct prefix p; | |
6466 | struct bgp_node *rn; | |
6467 | struct bgp_aggregate *aggregate; | |
6468 | ||
6469 | /* Convert string to prefix structure. */ | |
6470 | ret = str2prefix(prefix_str, &p); | |
6471 | if (!ret) { | |
6472 | vty_out(vty, "Malformed prefix\n"); | |
6473 | return CMD_WARNING_CONFIG_FAILED; | |
6474 | } | |
6475 | apply_mask(&p); | |
6476 | ||
3624ac81 DS |
6477 | if ((afi == AFI_IP && p.prefixlen == IPV4_MAX_BITLEN) || |
6478 | (afi == AFI_IP6 && p.prefixlen == IPV6_MAX_BITLEN)) { | |
6479 | vty_out(vty, "Specified prefix: %s will not result in any useful aggregation, disallowing\n", | |
6480 | prefix_str); | |
6481 | return CMD_WARNING_CONFIG_FAILED; | |
6482 | } | |
6483 | ||
d62a17ae | 6484 | /* Old configuration check. */ |
6485 | rn = bgp_node_get(bgp->aggregate[afi][safi], &p); | |
20894f50 | 6486 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
d62a17ae | 6487 | |
20894f50 | 6488 | if (aggregate) { |
d62a17ae | 6489 | vty_out(vty, "There is already same aggregate network.\n"); |
6490 | /* try to remove the old entry */ | |
6491 | ret = bgp_aggregate_unset(vty, prefix_str, afi, safi); | |
6492 | if (ret) { | |
6493 | vty_out(vty, "Error deleting aggregate.\n"); | |
6494 | bgp_unlock_node(rn); | |
6495 | return CMD_WARNING_CONFIG_FAILED; | |
6496 | } | |
6497 | } | |
718e3744 | 6498 | |
d62a17ae | 6499 | /* Make aggregate address structure. */ |
6500 | aggregate = bgp_aggregate_new(); | |
6501 | aggregate->summary_only = summary_only; | |
6502 | aggregate->as_set = as_set; | |
6503 | aggregate->safi = safi; | |
20894f50 DA |
6504 | |
6505 | if (rmap) { | |
6506 | XFREE(MTYPE_ROUTE_MAP_NAME, aggregate->rmap.name); | |
6507 | route_map_counter_decrement(aggregate->rmap.map); | |
6508 | aggregate->rmap.name = | |
6509 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
6510 | aggregate->rmap.map = route_map_lookup_by_name(rmap); | |
6511 | route_map_counter_increment(aggregate->rmap.map); | |
6512 | } | |
b613a918 | 6513 | bgp_node_set_bgp_aggregate_info(rn, aggregate); |
718e3744 | 6514 | |
d62a17ae | 6515 | /* Aggregate address insert into BGP routing table. */ |
fc968841 | 6516 | bgp_aggregate_route(bgp, &p, afi, safi, aggregate); |
718e3744 | 6517 | |
d62a17ae | 6518 | return CMD_SUCCESS; |
718e3744 | 6519 | } |
6520 | ||
6521 | DEFUN (aggregate_address, | |
6522 | aggregate_address_cmd, | |
20894f50 | 6523 | "aggregate-address A.B.C.D/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6524 | "Configure BGP aggregate entries\n" |
6525 | "Aggregate prefix\n" | |
6526 | "Generate AS set path information\n" | |
a636c635 DW |
6527 | "Filter more specific routes from updates\n" |
6528 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6529 | "Generate AS set path information\n" |
6530 | "Apply route map to aggregate network\n" | |
6531 | "Name of route map\n") | |
718e3744 | 6532 | { |
d62a17ae | 6533 | int idx = 0; |
6534 | argv_find(argv, argc, "A.B.C.D/M", &idx); | |
6535 | char *prefix = argv[idx]->arg; | |
20894f50 | 6536 | char *rmap = NULL; |
d62a17ae | 6537 | int as_set = |
6538 | argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET : 0; | |
6539 | idx = 0; | |
6540 | int summary_only = argv_find(argv, argc, "summary-only", &idx) | |
6541 | ? AGGREGATE_SUMMARY_ONLY | |
6542 | : 0; | |
e3e6107d | 6543 | |
20894f50 DA |
6544 | idx = 0; |
6545 | argv_find(argv, argc, "WORD", &idx); | |
6546 | if (idx) | |
6547 | rmap = argv[idx]->arg; | |
6548 | ||
d62a17ae | 6549 | return bgp_aggregate_set(vty, prefix, AFI_IP, bgp_node_safi(vty), |
20894f50 | 6550 | rmap, summary_only, as_set); |
718e3744 | 6551 | } |
6552 | ||
e3e6107d QY |
6553 | DEFUN (aggregate_address_mask, |
6554 | aggregate_address_mask_cmd, | |
20894f50 | 6555 | "aggregate-address A.B.C.D A.B.C.D [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6556 | "Configure BGP aggregate entries\n" |
6557 | "Aggregate address\n" | |
6558 | "Aggregate mask\n" | |
6559 | "Generate AS set path information\n" | |
a636c635 DW |
6560 | "Filter more specific routes from updates\n" |
6561 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6562 | "Generate AS set path information\n" |
6563 | "Apply route map to aggregate network\n" | |
6564 | "Name of route map\n") | |
718e3744 | 6565 | { |
d62a17ae | 6566 | int idx = 0; |
6567 | argv_find(argv, argc, "A.B.C.D", &idx); | |
6568 | char *prefix = argv[idx]->arg; | |
6569 | char *mask = argv[idx + 1]->arg; | |
cf40d052 | 6570 | bool rmap_found; |
20894f50 | 6571 | char *rmap = NULL; |
d62a17ae | 6572 | int as_set = |
6573 | argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET : 0; | |
6574 | idx = 0; | |
6575 | int summary_only = argv_find(argv, argc, "summary-only", &idx) | |
6576 | ? AGGREGATE_SUMMARY_ONLY | |
6577 | : 0; | |
6578 | ||
cf40d052 DS |
6579 | rmap_found = argv_find(argv, argc, "WORD", &idx); |
6580 | if (rmap_found) | |
20894f50 DA |
6581 | rmap = argv[idx]->arg; |
6582 | ||
d62a17ae | 6583 | char prefix_str[BUFSIZ]; |
6584 | int ret = netmask_str2prefix_str(prefix, mask, prefix_str); | |
6585 | ||
6586 | if (!ret) { | |
6587 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
6588 | return CMD_WARNING_CONFIG_FAILED; | |
6589 | } | |
718e3744 | 6590 | |
d62a17ae | 6591 | return bgp_aggregate_set(vty, prefix_str, AFI_IP, bgp_node_safi(vty), |
20894f50 | 6592 | rmap, summary_only, as_set); |
718e3744 | 6593 | } |
6594 | ||
718e3744 | 6595 | DEFUN (no_aggregate_address, |
6596 | no_aggregate_address_cmd, | |
b84da0db | 6597 | "no aggregate-address A.B.C.D/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6598 | NO_STR |
6599 | "Configure BGP aggregate entries\n" | |
a636c635 DW |
6600 | "Aggregate prefix\n" |
6601 | "Generate AS set path information\n" | |
e3e6107d QY |
6602 | "Filter more specific routes from updates\n" |
6603 | "Filter more specific routes from updates\n" | |
b84da0db DA |
6604 | "Generate AS set path information\n" |
6605 | "Apply route map to aggregate network\n" | |
6606 | "Name of route map\n") | |
718e3744 | 6607 | { |
d62a17ae | 6608 | int idx = 0; |
6609 | argv_find(argv, argc, "A.B.C.D/M", &idx); | |
6610 | char *prefix = argv[idx]->arg; | |
6611 | return bgp_aggregate_unset(vty, prefix, AFI_IP, bgp_node_safi(vty)); | |
718e3744 | 6612 | } |
6613 | ||
718e3744 | 6614 | DEFUN (no_aggregate_address_mask, |
6615 | no_aggregate_address_mask_cmd, | |
b84da0db | 6616 | "no aggregate-address A.B.C.D A.B.C.D [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6617 | NO_STR |
6618 | "Configure BGP aggregate entries\n" | |
6619 | "Aggregate address\n" | |
a636c635 DW |
6620 | "Aggregate mask\n" |
6621 | "Generate AS set path information\n" | |
e3e6107d QY |
6622 | "Filter more specific routes from updates\n" |
6623 | "Filter more specific routes from updates\n" | |
b84da0db DA |
6624 | "Generate AS set path information\n" |
6625 | "Apply route map to aggregate network\n" | |
6626 | "Name of route map\n") | |
718e3744 | 6627 | { |
d62a17ae | 6628 | int idx = 0; |
6629 | argv_find(argv, argc, "A.B.C.D", &idx); | |
6630 | char *prefix = argv[idx]->arg; | |
6631 | char *mask = argv[idx + 1]->arg; | |
718e3744 | 6632 | |
d62a17ae | 6633 | char prefix_str[BUFSIZ]; |
6634 | int ret = netmask_str2prefix_str(prefix, mask, prefix_str); | |
718e3744 | 6635 | |
d62a17ae | 6636 | if (!ret) { |
6637 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
6638 | return CMD_WARNING_CONFIG_FAILED; | |
6639 | } | |
718e3744 | 6640 | |
d62a17ae | 6641 | return bgp_aggregate_unset(vty, prefix_str, AFI_IP, bgp_node_safi(vty)); |
718e3744 | 6642 | } |
6643 | ||
718e3744 | 6644 | DEFUN (ipv6_aggregate_address, |
6645 | ipv6_aggregate_address_cmd, | |
20894f50 | 6646 | "aggregate-address X:X::X:X/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6647 | "Configure BGP aggregate entries\n" |
6648 | "Aggregate prefix\n" | |
5101fece | 6649 | "Generate AS set path information\n" |
6650 | "Filter more specific routes from updates\n" | |
6651 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6652 | "Generate AS set path information\n" |
6653 | "Apply route map to aggregate network\n" | |
6654 | "Name of route map\n") | |
718e3744 | 6655 | { |
d62a17ae | 6656 | int idx = 0; |
6657 | argv_find(argv, argc, "X:X::X:X/M", &idx); | |
6658 | char *prefix = argv[idx]->arg; | |
20894f50 | 6659 | char *rmap = NULL; |
273fae13 | 6660 | bool rmap_found; |
5101fece | 6661 | int as_set = |
6662 | argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET : 0; | |
6663 | ||
6664 | idx = 0; | |
d62a17ae | 6665 | int sum_only = argv_find(argv, argc, "summary-only", &idx) |
6666 | ? AGGREGATE_SUMMARY_ONLY | |
6667 | : 0; | |
20894f50 | 6668 | |
273fae13 DA |
6669 | rmap_found = argv_find(argv, argc, "WORD", &idx); |
6670 | if (rmap_found) | |
20894f50 DA |
6671 | rmap = argv[idx]->arg; |
6672 | ||
6673 | return bgp_aggregate_set(vty, prefix, AFI_IP6, SAFI_UNICAST, rmap, | |
6674 | sum_only, as_set); | |
718e3744 | 6675 | } |
6676 | ||
6677 | DEFUN (no_ipv6_aggregate_address, | |
6678 | no_ipv6_aggregate_address_cmd, | |
b84da0db | 6679 | "no aggregate-address X:X::X:X/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6680 | NO_STR |
6681 | "Configure BGP aggregate entries\n" | |
16cedbb0 | 6682 | "Aggregate prefix\n" |
5101fece | 6683 | "Generate AS set path information\n" |
6684 | "Filter more specific routes from updates\n" | |
6685 | "Filter more specific routes from updates\n" | |
b84da0db DA |
6686 | "Generate AS set path information\n" |
6687 | "Apply route map to aggregate network\n" | |
6688 | "Name of route map\n") | |
718e3744 | 6689 | { |
d62a17ae | 6690 | int idx = 0; |
6691 | argv_find(argv, argc, "X:X::X:X/M", &idx); | |
6692 | char *prefix = argv[idx]->arg; | |
6693 | return bgp_aggregate_unset(vty, prefix, AFI_IP6, SAFI_UNICAST); | |
718e3744 | 6694 | } |
6695 | ||
718e3744 | 6696 | /* Redistribute route treatment. */ |
d62a17ae | 6697 | void bgp_redistribute_add(struct bgp *bgp, struct prefix *p, |
9de1f7ff DS |
6698 | const union g_addr *nexthop, ifindex_t ifindex, |
6699 | enum nexthop_types_t nhtype, uint32_t metric, | |
d7c0a89a QY |
6700 | uint8_t type, unsigned short instance, |
6701 | route_tag_t tag) | |
d62a17ae | 6702 | { |
4b7e6066 | 6703 | struct bgp_path_info *new; |
40381db7 DS |
6704 | struct bgp_path_info *bpi; |
6705 | struct bgp_path_info rmap_path; | |
d62a17ae | 6706 | struct bgp_node *bn; |
6707 | struct attr attr; | |
6708 | struct attr *new_attr; | |
6709 | afi_t afi; | |
b68885f9 | 6710 | route_map_result_t ret; |
d62a17ae | 6711 | struct bgp_redist *red; |
6712 | ||
6713 | /* Make default attribute. */ | |
6714 | bgp_attr_default_set(&attr, BGP_ORIGIN_INCOMPLETE); | |
401b0636 DS |
6715 | /* |
6716 | * This must not be NULL to satisfy Coverity SA | |
6717 | */ | |
6718 | assert(attr.aspath); | |
9de1f7ff | 6719 | |
a4d82a8a | 6720 | switch (nhtype) { |
9de1f7ff DS |
6721 | case NEXTHOP_TYPE_IFINDEX: |
6722 | break; | |
6723 | case NEXTHOP_TYPE_IPV4: | |
6724 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
6725 | attr.nexthop = nexthop->ipv4; | |
6726 | break; | |
6727 | case NEXTHOP_TYPE_IPV6: | |
6728 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
6729 | attr.mp_nexthop_global = nexthop->ipv6; | |
6730 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; | |
6731 | break; | |
6732 | case NEXTHOP_TYPE_BLACKHOLE: | |
74489921 RW |
6733 | switch (p->family) { |
6734 | case AF_INET: | |
9de1f7ff | 6735 | attr.nexthop.s_addr = INADDR_ANY; |
74489921 RW |
6736 | break; |
6737 | case AF_INET6: | |
9de1f7ff DS |
6738 | memset(&attr.mp_nexthop_global, 0, |
6739 | sizeof(attr.mp_nexthop_global)); | |
74489921 | 6740 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; |
9de1f7ff | 6741 | break; |
74489921 | 6742 | } |
9de1f7ff | 6743 | break; |
d62a17ae | 6744 | } |
74489921 | 6745 | attr.nh_ifindex = ifindex; |
f04a80a5 | 6746 | |
d62a17ae | 6747 | attr.med = metric; |
6748 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
6749 | attr.tag = tag; | |
718e3744 | 6750 | |
d62a17ae | 6751 | afi = family2afi(p->family); |
6aeb9e78 | 6752 | |
d62a17ae | 6753 | red = bgp_redist_lookup(bgp, afi, type, instance); |
6754 | if (red) { | |
6755 | struct attr attr_new; | |
718e3744 | 6756 | |
d62a17ae | 6757 | /* Copy attribute for modification. */ |
6758 | bgp_attr_dup(&attr_new, &attr); | |
718e3744 | 6759 | |
d62a17ae | 6760 | if (red->redist_metric_flag) |
6761 | attr_new.med = red->redist_metric; | |
718e3744 | 6762 | |
d62a17ae | 6763 | /* Apply route-map. */ |
6764 | if (red->rmap.name) { | |
40381db7 DS |
6765 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
6766 | rmap_path.peer = bgp->peer_self; | |
6767 | rmap_path.attr = &attr_new; | |
718e3744 | 6768 | |
d62a17ae | 6769 | SET_FLAG(bgp->peer_self->rmap_type, |
6770 | PEER_RMAP_TYPE_REDISTRIBUTE); | |
6771 | ||
6772 | ret = route_map_apply(red->rmap.map, p, RMAP_BGP, | |
40381db7 | 6773 | &rmap_path); |
d62a17ae | 6774 | |
6775 | bgp->peer_self->rmap_type = 0; | |
6776 | ||
6777 | if (ret == RMAP_DENYMATCH) { | |
6778 | /* Free uninterned attribute. */ | |
6779 | bgp_attr_flush(&attr_new); | |
6780 | ||
6781 | /* Unintern original. */ | |
6782 | aspath_unintern(&attr.aspath); | |
6783 | bgp_redistribute_delete(bgp, p, type, instance); | |
6784 | return; | |
6785 | } | |
6786 | } | |
6787 | ||
7f323236 DW |
6788 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) |
6789 | bgp_attr_add_gshut_community(&attr_new); | |
6790 | ||
d62a17ae | 6791 | bn = bgp_afi_node_get(bgp->rib[afi][SAFI_UNICAST], afi, |
6792 | SAFI_UNICAST, p, NULL); | |
6793 | ||
6794 | new_attr = bgp_attr_intern(&attr_new); | |
6795 | ||
6f94b685 DS |
6796 | for (bpi = bgp_node_get_bgp_path_info(bn); bpi; |
6797 | bpi = bpi->next) | |
40381db7 DS |
6798 | if (bpi->peer == bgp->peer_self |
6799 | && bpi->sub_type == BGP_ROUTE_REDISTRIBUTE) | |
d62a17ae | 6800 | break; |
6801 | ||
40381db7 | 6802 | if (bpi) { |
d62a17ae | 6803 | /* Ensure the (source route) type is updated. */ |
40381db7 DS |
6804 | bpi->type = type; |
6805 | if (attrhash_cmp(bpi->attr, new_attr) | |
6806 | && !CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 6807 | bgp_attr_unintern(&new_attr); |
6808 | aspath_unintern(&attr.aspath); | |
6809 | bgp_unlock_node(bn); | |
6810 | return; | |
6811 | } else { | |
6812 | /* The attribute is changed. */ | |
40381db7 | 6813 | bgp_path_info_set_flag(bn, bpi, |
18ee8310 | 6814 | BGP_PATH_ATTR_CHANGED); |
d62a17ae | 6815 | |
6816 | /* Rewrite BGP route information. */ | |
40381db7 DS |
6817 | if (CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) |
6818 | bgp_path_info_restore(bn, bpi); | |
d62a17ae | 6819 | else |
40381db7 DS |
6820 | bgp_aggregate_decrement( |
6821 | bgp, p, bpi, afi, SAFI_UNICAST); | |
6822 | bgp_attr_unintern(&bpi->attr); | |
6823 | bpi->attr = new_attr; | |
6824 | bpi->uptime = bgp_clock(); | |
d62a17ae | 6825 | |
6826 | /* Process change. */ | |
40381db7 | 6827 | bgp_aggregate_increment(bgp, p, bpi, afi, |
d62a17ae | 6828 | SAFI_UNICAST); |
6829 | bgp_process(bgp, bn, afi, SAFI_UNICAST); | |
6830 | bgp_unlock_node(bn); | |
6831 | aspath_unintern(&attr.aspath); | |
ddb5b488 PZ |
6832 | |
6833 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
6834 | || (bgp->inst_type | |
6835 | == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6836 | ||
6837 | vpn_leak_from_vrf_update( | |
40381db7 | 6838 | bgp_get_default(), bgp, bpi); |
ddb5b488 | 6839 | } |
d62a17ae | 6840 | return; |
6841 | } | |
6842 | } | |
6843 | ||
6844 | new = info_make(type, BGP_ROUTE_REDISTRIBUTE, instance, | |
6845 | bgp->peer_self, new_attr, bn); | |
1defdda8 | 6846 | SET_FLAG(new->flags, BGP_PATH_VALID); |
d62a17ae | 6847 | |
6848 | bgp_aggregate_increment(bgp, p, new, afi, SAFI_UNICAST); | |
18ee8310 | 6849 | bgp_path_info_add(bn, new); |
d62a17ae | 6850 | bgp_unlock_node(bn); |
6851 | bgp_process(bgp, bn, afi, SAFI_UNICAST); | |
ddb5b488 PZ |
6852 | |
6853 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
6854 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6855 | ||
6856 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
6857 | } | |
d62a17ae | 6858 | } |
6859 | ||
6860 | /* Unintern original. */ | |
6861 | aspath_unintern(&attr.aspath); | |
718e3744 | 6862 | } |
6863 | ||
d7c0a89a QY |
6864 | void bgp_redistribute_delete(struct bgp *bgp, struct prefix *p, uint8_t type, |
6865 | unsigned short instance) | |
718e3744 | 6866 | { |
d62a17ae | 6867 | afi_t afi; |
6868 | struct bgp_node *rn; | |
40381db7 | 6869 | struct bgp_path_info *pi; |
d62a17ae | 6870 | struct bgp_redist *red; |
718e3744 | 6871 | |
d62a17ae | 6872 | afi = family2afi(p->family); |
718e3744 | 6873 | |
d62a17ae | 6874 | red = bgp_redist_lookup(bgp, afi, type, instance); |
6875 | if (red) { | |
6876 | rn = bgp_afi_node_get(bgp->rib[afi][SAFI_UNICAST], afi, | |
6877 | SAFI_UNICAST, p, NULL); | |
6878 | ||
6f94b685 | 6879 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 | 6880 | if (pi->peer == bgp->peer_self && pi->type == type) |
d62a17ae | 6881 | break; |
6882 | ||
40381db7 | 6883 | if (pi) { |
ddb5b488 PZ |
6884 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) |
6885 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6886 | ||
6887 | vpn_leak_from_vrf_withdraw(bgp_get_default(), | |
40381db7 | 6888 | bgp, pi); |
ddb5b488 | 6889 | } |
40381db7 DS |
6890 | bgp_aggregate_decrement(bgp, p, pi, afi, SAFI_UNICAST); |
6891 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 6892 | bgp_process(bgp, rn, afi, SAFI_UNICAST); |
6893 | } | |
6894 | bgp_unlock_node(rn); | |
6895 | } | |
6896 | } | |
6897 | ||
6898 | /* Withdraw specified route type's route. */ | |
6899 | void bgp_redistribute_withdraw(struct bgp *bgp, afi_t afi, int type, | |
d7c0a89a | 6900 | unsigned short instance) |
d62a17ae | 6901 | { |
6902 | struct bgp_node *rn; | |
40381db7 | 6903 | struct bgp_path_info *pi; |
d62a17ae | 6904 | struct bgp_table *table; |
6905 | ||
6906 | table = bgp->rib[afi][SAFI_UNICAST]; | |
6907 | ||
6908 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
6f94b685 | 6909 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
6910 | if (pi->peer == bgp->peer_self && pi->type == type |
6911 | && pi->instance == instance) | |
d62a17ae | 6912 | break; |
6913 | ||
40381db7 | 6914 | if (pi) { |
ddb5b488 PZ |
6915 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) |
6916 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
6917 | ||
6918 | vpn_leak_from_vrf_withdraw(bgp_get_default(), | |
40381db7 | 6919 | bgp, pi); |
ddb5b488 | 6920 | } |
40381db7 | 6921 | bgp_aggregate_decrement(bgp, &rn->p, pi, afi, |
d62a17ae | 6922 | SAFI_UNICAST); |
40381db7 | 6923 | bgp_path_info_delete(rn, pi); |
d62a17ae | 6924 | bgp_process(bgp, rn, afi, SAFI_UNICAST); |
6925 | } | |
718e3744 | 6926 | } |
718e3744 | 6927 | } |
6b0655a2 | 6928 | |
718e3744 | 6929 | /* Static function to display route. */ |
9c92b5f7 MK |
6930 | static void route_vty_out_route(struct prefix *p, struct vty *vty, |
6931 | json_object *json) | |
718e3744 | 6932 | { |
be054588 | 6933 | int len = 0; |
d62a17ae | 6934 | char buf[BUFSIZ]; |
50e05855 | 6935 | char buf2[BUFSIZ]; |
718e3744 | 6936 | |
d62a17ae | 6937 | if (p->family == AF_INET) { |
c6462ff4 | 6938 | if (!json) { |
89e5e9f0 PM |
6939 | len = vty_out( |
6940 | vty, "%s/%d", | |
6941 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
6942 | p->prefixlen); | |
c6462ff4 MK |
6943 | } else { |
6944 | json_object_string_add(json, "prefix", | |
6945 | inet_ntop(p->family, | |
6946 | &p->u.prefix, buf, | |
6947 | BUFSIZ)); | |
6948 | json_object_int_add(json, "prefixLen", p->prefixlen); | |
37d4e0df | 6949 | prefix2str(p, buf2, PREFIX_STRLEN); |
50e05855 | 6950 | json_object_string_add(json, "network", buf2); |
c6462ff4 | 6951 | } |
d62a17ae | 6952 | } else if (p->family == AF_ETHERNET) { |
b03b8898 DS |
6953 | prefix2str(p, buf, PREFIX_STRLEN); |
6954 | len = vty_out(vty, "%s", buf); | |
6955 | } else if (p->family == AF_EVPN) { | |
57f7feb6 | 6956 | if (!json) |
60466a63 QY |
6957 | len = vty_out( |
6958 | vty, "%s", | |
6959 | bgp_evpn_route2str((struct prefix_evpn *)p, buf, | |
6960 | BUFSIZ)); | |
57f7feb6 | 6961 | else |
60466a63 | 6962 | bgp_evpn_route2json((struct prefix_evpn *)p, json); |
dba3c1d3 PG |
6963 | } else if (p->family == AF_FLOWSPEC) { |
6964 | route_vty_out_flowspec(vty, p, NULL, | |
d33fc23b PG |
6965 | json ? |
6966 | NLRI_STRING_FORMAT_JSON_SIMPLE : | |
6967 | NLRI_STRING_FORMAT_MIN, json); | |
9c92b5f7 | 6968 | } else { |
c6462ff4 | 6969 | if (!json) |
60466a63 QY |
6970 | len = vty_out( |
6971 | vty, "%s/%d", | |
6972 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
6973 | p->prefixlen); | |
50e05855 AD |
6974 | else { |
6975 | json_object_string_add(json, "prefix", | |
6976 | inet_ntop(p->family, | |
6977 | &p->u.prefix, buf, | |
6978 | BUFSIZ)); | |
6979 | json_object_int_add(json, "prefixLen", p->prefixlen); | |
37d4e0df AD |
6980 | prefix2str(p, buf2, PREFIX_STRLEN); |
6981 | json_object_string_add(json, "network", buf2); | |
6982 | } | |
9c92b5f7 | 6983 | } |
d62a17ae | 6984 | |
9c92b5f7 MK |
6985 | if (!json) { |
6986 | len = 17 - len; | |
6987 | if (len < 1) | |
6988 | vty_out(vty, "\n%*s", 20, " "); | |
6989 | else | |
6990 | vty_out(vty, "%*s", len, " "); | |
6991 | } | |
718e3744 | 6992 | } |
6993 | ||
d62a17ae | 6994 | enum bgp_display_type { |
6995 | normal_list, | |
718e3744 | 6996 | }; |
6997 | ||
18ee8310 | 6998 | /* Print the short form route status for a bgp_path_info */ |
4b7e6066 | 6999 | static void route_vty_short_status_out(struct vty *vty, |
9b6d8fcf | 7000 | struct bgp_path_info *path, |
d62a17ae | 7001 | json_object *json_path) |
718e3744 | 7002 | { |
d62a17ae | 7003 | if (json_path) { |
b05a1c8b | 7004 | |
d62a17ae | 7005 | /* Route status display. */ |
9b6d8fcf | 7006 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) |
d62a17ae | 7007 | json_object_boolean_true_add(json_path, "removed"); |
b05a1c8b | 7008 | |
9b6d8fcf | 7009 | if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) |
d62a17ae | 7010 | json_object_boolean_true_add(json_path, "stale"); |
b05a1c8b | 7011 | |
9b6d8fcf | 7012 | if (path->extra && path->extra->suppress) |
d62a17ae | 7013 | json_object_boolean_true_add(json_path, "suppressed"); |
b05a1c8b | 7014 | |
9b6d8fcf DS |
7015 | if (CHECK_FLAG(path->flags, BGP_PATH_VALID) |
7016 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) | |
d62a17ae | 7017 | json_object_boolean_true_add(json_path, "valid"); |
b05a1c8b | 7018 | |
d62a17ae | 7019 | /* Selected */ |
9b6d8fcf | 7020 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) |
d62a17ae | 7021 | json_object_boolean_true_add(json_path, "history"); |
b05a1c8b | 7022 | |
9b6d8fcf | 7023 | if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) |
d62a17ae | 7024 | json_object_boolean_true_add(json_path, "damped"); |
b05a1c8b | 7025 | |
9b6d8fcf | 7026 | if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) |
d62a17ae | 7027 | json_object_boolean_true_add(json_path, "bestpath"); |
b05a1c8b | 7028 | |
9b6d8fcf | 7029 | if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH)) |
d62a17ae | 7030 | json_object_boolean_true_add(json_path, "multipath"); |
b05a1c8b | 7031 | |
d62a17ae | 7032 | /* Internal route. */ |
9b6d8fcf DS |
7033 | if ((path->peer->as) |
7034 | && (path->peer->as == path->peer->local_as)) | |
d62a17ae | 7035 | json_object_string_add(json_path, "pathFrom", |
7036 | "internal"); | |
7037 | else | |
7038 | json_object_string_add(json_path, "pathFrom", | |
7039 | "external"); | |
b05a1c8b | 7040 | |
d62a17ae | 7041 | return; |
7042 | } | |
b05a1c8b | 7043 | |
d62a17ae | 7044 | /* Route status display. */ |
9b6d8fcf | 7045 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) |
d62a17ae | 7046 | vty_out(vty, "R"); |
9b6d8fcf | 7047 | else if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) |
d62a17ae | 7048 | vty_out(vty, "S"); |
9b6d8fcf | 7049 | else if (path->extra && path->extra->suppress) |
d62a17ae | 7050 | vty_out(vty, "s"); |
9b6d8fcf DS |
7051 | else if (CHECK_FLAG(path->flags, BGP_PATH_VALID) |
7052 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) | |
d62a17ae | 7053 | vty_out(vty, "*"); |
7054 | else | |
7055 | vty_out(vty, " "); | |
7056 | ||
7057 | /* Selected */ | |
9b6d8fcf | 7058 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) |
d62a17ae | 7059 | vty_out(vty, "h"); |
9b6d8fcf | 7060 | else if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) |
d62a17ae | 7061 | vty_out(vty, "d"); |
9b6d8fcf | 7062 | else if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) |
d62a17ae | 7063 | vty_out(vty, ">"); |
9b6d8fcf | 7064 | else if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH)) |
d62a17ae | 7065 | vty_out(vty, "="); |
7066 | else | |
7067 | vty_out(vty, " "); | |
718e3744 | 7068 | |
d62a17ae | 7069 | /* Internal route. */ |
9b6d8fcf DS |
7070 | if (path->peer && (path->peer->as) |
7071 | && (path->peer->as == path->peer->local_as)) | |
d62a17ae | 7072 | vty_out(vty, "i"); |
7073 | else | |
7074 | vty_out(vty, " "); | |
b40d939b | 7075 | } |
7076 | ||
25b5da8d DA |
7077 | static char *bgp_nexthop_fqdn(struct peer *peer) |
7078 | { | |
7079 | if (peer->hostname && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME)) | |
7080 | return peer->hostname; | |
7081 | return NULL; | |
7082 | } | |
7083 | ||
b40d939b | 7084 | /* called from terminal list command */ |
4b7e6066 | 7085 | void route_vty_out(struct vty *vty, struct prefix *p, |
9b6d8fcf | 7086 | struct bgp_path_info *path, int display, safi_t safi, |
4b7e6066 | 7087 | json_object *json_paths) |
d62a17ae | 7088 | { |
7089 | struct attr *attr; | |
7090 | json_object *json_path = NULL; | |
7091 | json_object *json_nexthops = NULL; | |
7092 | json_object *json_nexthop_global = NULL; | |
7093 | json_object *json_nexthop_ll = NULL; | |
6f214dd3 | 7094 | json_object *json_ext_community = NULL; |
9df8b37c | 7095 | char vrf_id_str[VRF_NAMSIZ] = {0}; |
1defdda8 | 7096 | bool nexthop_self = |
9b6d8fcf | 7097 | CHECK_FLAG(path->flags, BGP_PATH_ANNC_NH_SELF) ? true : false; |
9df8b37c | 7098 | bool nexthop_othervrf = false; |
43089216 | 7099 | vrf_id_t nexthop_vrfid = VRF_DEFAULT; |
4d97eea6 | 7100 | const char *nexthop_vrfname = VRF_DEFAULT_NAME; |
25b5da8d | 7101 | char *nexthop_fqdn = bgp_nexthop_fqdn(path->peer); |
d62a17ae | 7102 | |
7103 | if (json_paths) | |
7104 | json_path = json_object_new_object(); | |
7105 | ||
7106 | /* short status lead text */ | |
9b6d8fcf | 7107 | route_vty_short_status_out(vty, path, json_path); |
d62a17ae | 7108 | |
7109 | if (!json_paths) { | |
7110 | /* print prefix and mask */ | |
7111 | if (!display) | |
9c92b5f7 | 7112 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 7113 | else |
7114 | vty_out(vty, "%*s", 17, " "); | |
9c92b5f7 | 7115 | } else { |
b682f6de | 7116 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 7117 | } |
47fc97cc | 7118 | |
d62a17ae | 7119 | /* Print attribute */ |
9b6d8fcf | 7120 | attr = path->attr; |
445c2480 | 7121 | |
9df8b37c PZ |
7122 | /* |
7123 | * If vrf id of nexthop is different from that of prefix, | |
7124 | * set up printable string to append | |
7125 | */ | |
9b6d8fcf | 7126 | if (path->extra && path->extra->bgp_orig) { |
9df8b37c PZ |
7127 | const char *self = ""; |
7128 | ||
7129 | if (nexthop_self) | |
7130 | self = "<"; | |
7131 | ||
7132 | nexthop_othervrf = true; | |
9b6d8fcf | 7133 | nexthop_vrfid = path->extra->bgp_orig->vrf_id; |
9df8b37c | 7134 | |
9b6d8fcf | 7135 | if (path->extra->bgp_orig->vrf_id == VRF_UNKNOWN) |
9df8b37c PZ |
7136 | snprintf(vrf_id_str, sizeof(vrf_id_str), |
7137 | "@%s%s", VRFID_NONE_STR, self); | |
7138 | else | |
7139 | snprintf(vrf_id_str, sizeof(vrf_id_str), "@%u%s", | |
9b6d8fcf | 7140 | path->extra->bgp_orig->vrf_id, self); |
9df8b37c | 7141 | |
9b6d8fcf DS |
7142 | if (path->extra->bgp_orig->inst_type |
7143 | != BGP_INSTANCE_TYPE_DEFAULT) | |
9df8b37c | 7144 | |
9b6d8fcf | 7145 | nexthop_vrfname = path->extra->bgp_orig->name; |
9df8b37c PZ |
7146 | } else { |
7147 | const char *self = ""; | |
7148 | ||
7149 | if (nexthop_self) | |
7150 | self = "<"; | |
7151 | ||
7152 | snprintf(vrf_id_str, sizeof(vrf_id_str), "%s", self); | |
7153 | } | |
7154 | ||
445c2480 DS |
7155 | /* |
7156 | * For ENCAP and EVPN routes, nexthop address family is not | |
7157 | * neccessarily the same as the prefix address family. | |
7158 | * Both SAFI_MPLS_VPN and SAFI_ENCAP use the MP nexthop field | |
7159 | * EVPN routes are also exchanged with a MP nexthop. Currently, | |
7160 | * this | |
7161 | * is only IPv4, the value will be present in either | |
7162 | * attr->nexthop or | |
7163 | * attr->mp_nexthop_global_in | |
7164 | */ | |
7165 | if ((safi == SAFI_ENCAP) || (safi == SAFI_MPLS_VPN)) { | |
7166 | char buf[BUFSIZ]; | |
7167 | char nexthop[128]; | |
7168 | int af = NEXTHOP_FAMILY(attr->mp_nexthop_len); | |
7169 | ||
7170 | switch (af) { | |
7171 | case AF_INET: | |
7172 | sprintf(nexthop, "%s", | |
a4d82a8a PZ |
7173 | inet_ntop(af, &attr->mp_nexthop_global_in, buf, |
7174 | BUFSIZ)); | |
445c2480 DS |
7175 | break; |
7176 | case AF_INET6: | |
7177 | sprintf(nexthop, "%s", | |
a4d82a8a PZ |
7178 | inet_ntop(af, &attr->mp_nexthop_global, buf, |
7179 | BUFSIZ)); | |
445c2480 DS |
7180 | break; |
7181 | default: | |
7182 | sprintf(nexthop, "?"); | |
7183 | break; | |
d62a17ae | 7184 | } |
d62a17ae | 7185 | |
445c2480 DS |
7186 | if (json_paths) { |
7187 | json_nexthop_global = json_object_new_object(); | |
7188 | ||
25b5da8d DA |
7189 | json_object_string_add( |
7190 | json_nexthop_global, "afi", | |
7191 | nexthop_fqdn ? "fqdn" | |
7192 | : (af == AF_INET) ? "ip" : "ipv6"); | |
7193 | json_object_string_add( | |
7194 | json_nexthop_global, | |
7195 | nexthop_fqdn ? "fqdn" | |
7196 | : (af == AF_INET) ? "ip" : "ipv6", | |
7197 | nexthop_fqdn ? nexthop_fqdn : nexthop); | |
445c2480 DS |
7198 | json_object_boolean_true_add(json_nexthop_global, |
7199 | "used"); | |
7200 | } else | |
25b5da8d DA |
7201 | vty_out(vty, "%s%s", |
7202 | nexthop_fqdn ? nexthop_fqdn : nexthop, | |
7203 | vrf_id_str); | |
445c2480 DS |
7204 | } else if (safi == SAFI_EVPN) { |
7205 | if (json_paths) { | |
7206 | json_nexthop_global = json_object_new_object(); | |
7207 | ||
25b5da8d DA |
7208 | json_object_string_add( |
7209 | json_nexthop_global, | |
7210 | nexthop_fqdn ? "fqdn" : "ip", | |
7211 | nexthop_fqdn ? nexthop_fqdn | |
7212 | : inet_ntoa(attr->nexthop)); | |
a4d82a8a PZ |
7213 | json_object_string_add(json_nexthop_global, "afi", |
7214 | "ipv4"); | |
445c2480 DS |
7215 | json_object_boolean_true_add(json_nexthop_global, |
7216 | "used"); | |
7217 | } else | |
25b5da8d DA |
7218 | vty_out(vty, "%-16s%s", |
7219 | nexthop_fqdn ?: inet_ntoa(attr->nexthop), | |
9df8b37c | 7220 | vrf_id_str); |
d33fc23b | 7221 | } else if (safi == SAFI_FLOWSPEC) { |
026b914a PG |
7222 | if (attr->nexthop.s_addr != 0) { |
7223 | if (json_paths) { | |
7224 | json_nexthop_global = json_object_new_object(); | |
7225 | json_object_string_add( | |
25b5da8d DA |
7226 | json_nexthop_global, |
7227 | nexthop_fqdn ? "fqdn" : "ip", | |
7228 | nexthop_fqdn | |
7229 | ? nexthop_fqdn | |
7230 | : inet_ntoa(attr->nexthop)); | |
026b914a PG |
7231 | json_object_string_add(json_nexthop_global, |
7232 | "afi", "ipv4"); | |
50e05855 AD |
7233 | json_object_boolean_true_add( |
7234 | json_nexthop_global, | |
026b914a PG |
7235 | "used"); |
7236 | } else { | |
25b5da8d DA |
7237 | vty_out(vty, "%-16s", |
7238 | nexthop_fqdn | |
7239 | ? nexthop_fqdn | |
7240 | : inet_ntoa(attr->nexthop)); | |
026b914a PG |
7241 | } |
7242 | } | |
d33fc23b | 7243 | } else if (p->family == AF_INET && !BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { |
445c2480 DS |
7244 | if (json_paths) { |
7245 | json_nexthop_global = json_object_new_object(); | |
d62a17ae | 7246 | |
22df2d8a DS |
7247 | json_object_string_add(json_nexthop_global, |
7248 | nexthop_fqdn ? "fqdn" : "ip", | |
7249 | nexthop_fqdn | |
7250 | ? nexthop_fqdn | |
7251 | : inet_ntoa(attr->nexthop)); | |
445c2480 | 7252 | |
a4d82a8a PZ |
7253 | json_object_string_add(json_nexthop_global, "afi", |
7254 | "ipv4"); | |
445c2480 DS |
7255 | json_object_boolean_true_add(json_nexthop_global, |
7256 | "used"); | |
7257 | } else { | |
9df8b37c PZ |
7258 | char buf[BUFSIZ]; |
7259 | ||
d87ff2dd | 7260 | snprintf(buf, sizeof(buf), "%s%s", |
25b5da8d DA |
7261 | nexthop_fqdn ? nexthop_fqdn |
7262 | : inet_ntoa(attr->nexthop), | |
7263 | vrf_id_str); | |
9df8b37c | 7264 | vty_out(vty, "%-16s", buf); |
d62a17ae | 7265 | } |
445c2480 | 7266 | } |
b05a1c8b | 7267 | |
445c2480 | 7268 | /* IPv6 Next Hop */ |
a4d82a8a | 7269 | else if (p->family == AF_INET6 || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { |
445c2480 DS |
7270 | int len; |
7271 | char buf[BUFSIZ]; | |
d62a17ae | 7272 | |
445c2480 DS |
7273 | if (json_paths) { |
7274 | json_nexthop_global = json_object_new_object(); | |
a4d82a8a | 7275 | json_object_string_add( |
25b5da8d DA |
7276 | json_nexthop_global, |
7277 | nexthop_fqdn ? "fqdn" : "ip", | |
7278 | nexthop_fqdn | |
7279 | ? nexthop_fqdn | |
7280 | : inet_ntop(AF_INET6, | |
7281 | &attr->mp_nexthop_global, | |
7282 | buf, BUFSIZ)); | |
a4d82a8a PZ |
7283 | json_object_string_add(json_nexthop_global, "afi", |
7284 | "ipv6"); | |
7285 | json_object_string_add(json_nexthop_global, "scope", | |
7286 | "global"); | |
445c2480 DS |
7287 | |
7288 | /* We display both LL & GL if both have been | |
7289 | * received */ | |
0606039c DA |
7290 | if ((attr->mp_nexthop_len |
7291 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) | |
9b6d8fcf | 7292 | || (path->peer->conf_if)) { |
a4d82a8a | 7293 | json_nexthop_ll = json_object_new_object(); |
d62a17ae | 7294 | json_object_string_add( |
25b5da8d DA |
7295 | json_nexthop_ll, |
7296 | nexthop_fqdn ? "fqdn" : "ip", | |
7297 | nexthop_fqdn | |
7298 | ? nexthop_fqdn | |
7299 | : inet_ntop( | |
7300 | AF_INET6, | |
7301 | &attr->mp_nexthop_local, | |
7302 | buf, BUFSIZ)); | |
a4d82a8a PZ |
7303 | json_object_string_add(json_nexthop_ll, "afi", |
7304 | "ipv6"); | |
7305 | json_object_string_add(json_nexthop_ll, "scope", | |
445c2480 | 7306 | "link-local"); |
d62a17ae | 7307 | |
a4d82a8a PZ |
7308 | if ((IPV6_ADDR_CMP(&attr->mp_nexthop_global, |
7309 | &attr->mp_nexthop_local) | |
445c2480 DS |
7310 | != 0) |
7311 | && !attr->mp_nexthop_prefer_global) | |
d62a17ae | 7312 | json_object_boolean_true_add( |
a4d82a8a | 7313 | json_nexthop_ll, "used"); |
445c2480 DS |
7314 | else |
7315 | json_object_boolean_true_add( | |
a4d82a8a | 7316 | json_nexthop_global, "used"); |
445c2480 DS |
7317 | } else |
7318 | json_object_boolean_true_add( | |
7319 | json_nexthop_global, "used"); | |
7320 | } else { | |
7321 | /* Display LL if LL/Global both in table unless | |
7322 | * prefer-global is set */ | |
0606039c DA |
7323 | if (((attr->mp_nexthop_len |
7324 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) | |
445c2480 | 7325 | && !attr->mp_nexthop_prefer_global) |
9b6d8fcf DS |
7326 | || (path->peer->conf_if)) { |
7327 | if (path->peer->conf_if) { | |
a4d82a8a | 7328 | len = vty_out(vty, "%s", |
9b6d8fcf | 7329 | path->peer->conf_if); |
445c2480 DS |
7330 | len = 16 - len; /* len of IPv6 |
7331 | addr + max | |
7332 | len of def | |
7333 | ifname */ | |
7334 | ||
7335 | if (len < 1) | |
a4d82a8a | 7336 | vty_out(vty, "\n%*s", 36, " "); |
445c2480 | 7337 | else |
a4d82a8a | 7338 | vty_out(vty, "%*s", len, " "); |
d62a17ae | 7339 | } else { |
7340 | len = vty_out( | |
9df8b37c | 7341 | vty, "%s%s", |
25b5da8d DA |
7342 | nexthop_fqdn |
7343 | ? nexthop_fqdn | |
7344 | : inet_ntop( | |
7345 | AF_INET6, | |
7346 | &attr->mp_nexthop_local, | |
7347 | buf, BUFSIZ), | |
9df8b37c | 7348 | vrf_id_str); |
d62a17ae | 7349 | len = 16 - len; |
7350 | ||
7351 | if (len < 1) | |
a4d82a8a | 7352 | vty_out(vty, "\n%*s", 36, " "); |
d62a17ae | 7353 | else |
a4d82a8a | 7354 | vty_out(vty, "%*s", len, " "); |
d62a17ae | 7355 | } |
445c2480 | 7356 | } else { |
a4d82a8a | 7357 | len = vty_out( |
9df8b37c | 7358 | vty, "%s%s", |
25b5da8d DA |
7359 | nexthop_fqdn |
7360 | ? nexthop_fqdn | |
7361 | : inet_ntop( | |
7362 | AF_INET6, | |
7363 | &attr->mp_nexthop_global, | |
7364 | buf, BUFSIZ), | |
7365 | vrf_id_str); | |
445c2480 DS |
7366 | len = 16 - len; |
7367 | ||
7368 | if (len < 1) | |
7369 | vty_out(vty, "\n%*s", 36, " "); | |
7370 | else | |
7371 | vty_out(vty, "%*s", len, " "); | |
d62a17ae | 7372 | } |
7373 | } | |
445c2480 | 7374 | } |
718e3744 | 7375 | |
445c2480 DS |
7376 | /* MED/Metric */ |
7377 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
50e05855 AD |
7378 | if (json_paths) { |
7379 | ||
7380 | /* | |
7381 | * Adding "metric" field to match with corresponding | |
7382 | * CLI. "med" will be deprecated in future. | |
7383 | */ | |
a4d82a8a | 7384 | json_object_int_add(json_path, "med", attr->med); |
50e05855 AD |
7385 | json_object_int_add(json_path, "metric", attr->med); |
7386 | } else | |
445c2480 DS |
7387 | vty_out(vty, "%10u", attr->med); |
7388 | else if (!json_paths) | |
7389 | vty_out(vty, " "); | |
d62a17ae | 7390 | |
445c2480 DS |
7391 | /* Local Pref */ |
7392 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) | |
50e05855 AD |
7393 | if (json_paths) { |
7394 | ||
7395 | /* | |
7396 | * Adding "locPrf" field to match with corresponding | |
7397 | * CLI. "localPref" will be deprecated in future. | |
7398 | */ | |
445c2480 DS |
7399 | json_object_int_add(json_path, "localpref", |
7400 | attr->local_pref); | |
50e05855 AD |
7401 | json_object_int_add(json_path, "locPrf", |
7402 | attr->local_pref); | |
7403 | } else | |
445c2480 DS |
7404 | vty_out(vty, "%7u", attr->local_pref); |
7405 | else if (!json_paths) | |
7406 | vty_out(vty, " "); | |
d62a17ae | 7407 | |
445c2480 DS |
7408 | if (json_paths) |
7409 | json_object_int_add(json_path, "weight", attr->weight); | |
7410 | else | |
7411 | vty_out(vty, "%7u ", attr->weight); | |
47fc97cc | 7412 | |
445c2480 DS |
7413 | if (json_paths) { |
7414 | char buf[BUFSIZ]; | |
a4d82a8a PZ |
7415 | json_object_string_add( |
7416 | json_path, "peerId", | |
9b6d8fcf | 7417 | sockunion2str(&path->peer->su, buf, SU_ADDRSTRLEN)); |
445c2480 | 7418 | } |
b05a1c8b | 7419 | |
445c2480 DS |
7420 | /* Print aspath */ |
7421 | if (attr->aspath) { | |
50e05855 AD |
7422 | if (json_paths) { |
7423 | ||
7424 | /* | |
7425 | * Adding "path" field to match with corresponding | |
7426 | * CLI. "aspath" will be deprecated in future. | |
7427 | */ | |
445c2480 DS |
7428 | json_object_string_add(json_path, "aspath", |
7429 | attr->aspath->str); | |
50e05855 AD |
7430 | json_object_string_add(json_path, "path", |
7431 | attr->aspath->str); | |
7432 | } else | |
445c2480 | 7433 | aspath_print_vty(vty, "%s", attr->aspath, " "); |
d62a17ae | 7434 | } |
f1aa5d8a | 7435 | |
445c2480 DS |
7436 | /* Print origin */ |
7437 | if (json_paths) | |
a4d82a8a PZ |
7438 | json_object_string_add(json_path, "origin", |
7439 | bgp_origin_long_str[attr->origin]); | |
445c2480 DS |
7440 | else |
7441 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
7442 | ||
9df8b37c | 7443 | if (json_paths) { |
6f214dd3 CS |
7444 | if (safi == SAFI_EVPN && |
7445 | attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
7446 | json_ext_community = json_object_new_object(); | |
7447 | json_object_string_add(json_ext_community, | |
7448 | "string", | |
7449 | attr->ecommunity->str); | |
7450 | json_object_object_add(json_path, | |
7451 | "extendedCommunity", | |
7452 | json_ext_community); | |
7453 | } | |
7454 | ||
9df8b37c PZ |
7455 | if (nexthop_self) |
7456 | json_object_boolean_true_add(json_path, | |
7457 | "announceNexthopSelf"); | |
7458 | if (nexthop_othervrf) { | |
7459 | json_object_string_add(json_path, "nhVrfName", | |
7460 | nexthop_vrfname); | |
7461 | ||
7462 | json_object_int_add(json_path, "nhVrfId", | |
7463 | ((nexthop_vrfid == VRF_UNKNOWN) | |
7464 | ? -1 | |
7465 | : (int)nexthop_vrfid)); | |
7466 | } | |
7467 | } | |
7468 | ||
d62a17ae | 7469 | if (json_paths) { |
7470 | if (json_nexthop_global || json_nexthop_ll) { | |
7471 | json_nexthops = json_object_new_array(); | |
f1aa5d8a | 7472 | |
d62a17ae | 7473 | if (json_nexthop_global) |
7474 | json_object_array_add(json_nexthops, | |
7475 | json_nexthop_global); | |
f1aa5d8a | 7476 | |
d62a17ae | 7477 | if (json_nexthop_ll) |
7478 | json_object_array_add(json_nexthops, | |
7479 | json_nexthop_ll); | |
f1aa5d8a | 7480 | |
d62a17ae | 7481 | json_object_object_add(json_path, "nexthops", |
7482 | json_nexthops); | |
7483 | } | |
7484 | ||
7485 | json_object_array_add(json_paths, json_path); | |
7486 | } else { | |
7487 | vty_out(vty, "\n"); | |
6f214dd3 CS |
7488 | |
7489 | if (safi == SAFI_EVPN && | |
7490 | attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
7491 | vty_out(vty, "%*s", 20, " "); | |
7492 | vty_out(vty, "%s\n", attr->ecommunity->str); | |
7493 | } | |
7494 | ||
65efcfce | 7495 | #if ENABLE_BGP_VNC |
d62a17ae | 7496 | /* prints an additional line, indented, with VNC info, if |
7497 | * present */ | |
7498 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP)) | |
9b6d8fcf | 7499 | rfapi_vty_out_vncinfo(vty, p, path, safi); |
65efcfce | 7500 | #endif |
d62a17ae | 7501 | } |
7502 | } | |
718e3744 | 7503 | |
7504 | /* called from terminal list command */ | |
d62a17ae | 7505 | void route_vty_out_tmp(struct vty *vty, struct prefix *p, struct attr *attr, |
9f049418 | 7506 | safi_t safi, bool use_json, json_object *json_ar) |
d62a17ae | 7507 | { |
7508 | json_object *json_status = NULL; | |
7509 | json_object *json_net = NULL; | |
7510 | char buff[BUFSIZ]; | |
dc387b0f | 7511 | |
d62a17ae | 7512 | /* Route status display. */ |
7513 | if (use_json) { | |
7514 | json_status = json_object_new_object(); | |
7515 | json_net = json_object_new_object(); | |
7516 | } else { | |
7517 | vty_out(vty, "*"); | |
7518 | vty_out(vty, ">"); | |
7519 | vty_out(vty, " "); | |
7520 | } | |
718e3744 | 7521 | |
d62a17ae | 7522 | /* print prefix and mask */ |
50e05855 | 7523 | if (use_json) { |
dc387b0f LK |
7524 | if (safi == SAFI_EVPN) |
7525 | bgp_evpn_route2json((struct prefix_evpn *)p, json_net); | |
7526 | else if (p->family == AF_INET || p->family == AF_INET6) { | |
7527 | json_object_string_add( | |
7528 | json_net, "addrPrefix", | |
7529 | inet_ntop(p->family, &p->u.prefix, buff, | |
7530 | BUFSIZ)); | |
7531 | json_object_int_add(json_net, "prefixLen", | |
7532 | p->prefixlen); | |
7533 | prefix2str(p, buff, PREFIX_STRLEN); | |
7534 | json_object_string_add(json_net, "network", buff); | |
7535 | } | |
50e05855 | 7536 | } else |
9c92b5f7 | 7537 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7538 | |
7539 | /* Print attribute */ | |
7540 | if (attr) { | |
7541 | if (use_json) { | |
7542 | if (p->family == AF_INET | |
7543 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
d62a17ae | 7544 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { |
dc387b0f | 7545 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP) |
d62a17ae | 7546 | json_object_string_add( |
7547 | json_net, "nextHop", | |
7548 | inet_ntoa( | |
7549 | attr->mp_nexthop_global_in)); | |
7550 | else | |
7551 | json_object_string_add( | |
7552 | json_net, "nextHop", | |
7553 | inet_ntoa(attr->nexthop)); | |
7554 | } else if (p->family == AF_INET6 | |
7555 | || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { | |
7556 | char buf[BUFSIZ]; | |
7557 | ||
7558 | json_object_string_add( | |
aa0a10fc | 7559 | json_net, "nextHopGlobal", |
d62a17ae | 7560 | inet_ntop(AF_INET6, |
7561 | &attr->mp_nexthop_global, buf, | |
7562 | BUFSIZ)); | |
dc387b0f LK |
7563 | } else if (p->family == AF_EVPN && |
7564 | !BGP_ATTR_NEXTHOP_AFI_IP6(attr)) | |
7565 | json_object_string_add(json_net, | |
7566 | "nextHop", inet_ntoa( | |
7567 | attr->mp_nexthop_global_in)); | |
d62a17ae | 7568 | |
7569 | if (attr->flag | |
7570 | & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
7571 | json_object_int_add(json_net, "metric", | |
7572 | attr->med); | |
7573 | ||
50e05855 AD |
7574 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) { |
7575 | ||
7576 | /* | |
7577 | * Adding "locPrf" field to match with | |
7578 | * corresponding CLI. "localPref" will be | |
7579 | * deprecated in future. | |
7580 | */ | |
d62a17ae | 7581 | json_object_int_add(json_net, "localPref", |
7582 | attr->local_pref); | |
50e05855 AD |
7583 | json_object_int_add(json_net, "locPrf", |
7584 | attr->local_pref); | |
7585 | } | |
d62a17ae | 7586 | |
7587 | json_object_int_add(json_net, "weight", attr->weight); | |
7588 | ||
7589 | /* Print aspath */ | |
50e05855 AD |
7590 | if (attr->aspath) { |
7591 | ||
7592 | /* | |
7593 | * Adding "path" field to match with | |
7594 | * corresponding CLI. "localPref" will be | |
7595 | * deprecated in future. | |
7596 | */ | |
d62a17ae | 7597 | json_object_string_add(json_net, "asPath", |
7598 | attr->aspath->str); | |
50e05855 AD |
7599 | json_object_string_add(json_net, "path", |
7600 | attr->aspath->str); | |
7601 | } | |
d62a17ae | 7602 | |
7603 | /* Print origin */ | |
7604 | json_object_string_add(json_net, "bgpOriginCode", | |
7605 | bgp_origin_str[attr->origin]); | |
7606 | } else { | |
7607 | if (p->family == AF_INET | |
7608 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7609 | || safi == SAFI_EVPN | |
7610 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
7611 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7612 | || safi == SAFI_EVPN) | |
7613 | vty_out(vty, "%-16s", | |
7614 | inet_ntoa( | |
7615 | attr->mp_nexthop_global_in)); | |
7616 | else | |
7617 | vty_out(vty, "%-16s", | |
7618 | inet_ntoa(attr->nexthop)); | |
7619 | } else if (p->family == AF_INET6 | |
7620 | || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { | |
7621 | int len; | |
7622 | char buf[BUFSIZ]; | |
7623 | ||
7624 | len = vty_out( | |
7625 | vty, "%s", | |
7626 | inet_ntop(AF_INET6, | |
7627 | &attr->mp_nexthop_global, buf, | |
7628 | BUFSIZ)); | |
7629 | len = 16 - len; | |
7630 | if (len < 1) | |
7631 | vty_out(vty, "\n%*s", 36, " "); | |
7632 | else | |
7633 | vty_out(vty, "%*s", len, " "); | |
7634 | } | |
7635 | if (attr->flag | |
7636 | & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
7637 | vty_out(vty, "%10u", attr->med); | |
7638 | else | |
7639 | vty_out(vty, " "); | |
718e3744 | 7640 | |
d62a17ae | 7641 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) |
7642 | vty_out(vty, "%7u", attr->local_pref); | |
7643 | else | |
7644 | vty_out(vty, " "); | |
7645 | ||
7646 | vty_out(vty, "%7u ", attr->weight); | |
7647 | ||
7648 | /* Print aspath */ | |
7649 | if (attr->aspath) | |
7650 | aspath_print_vty(vty, "%s", attr->aspath, " "); | |
7651 | ||
7652 | /* Print origin */ | |
7653 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
7654 | } | |
7655 | } | |
7656 | if (use_json) { | |
7657 | json_object_boolean_true_add(json_status, "*"); | |
7658 | json_object_boolean_true_add(json_status, ">"); | |
7659 | json_object_object_add(json_net, "appliedStatusSymbols", | |
7660 | json_status); | |
1608ff77 | 7661 | |
dc387b0f LK |
7662 | prefix2str(p, buff, PREFIX_STRLEN); |
7663 | json_object_object_add(json_ar, buff, json_net); | |
d62a17ae | 7664 | } else |
7665 | vty_out(vty, "\n"); | |
7666 | } | |
7667 | ||
7668 | void route_vty_out_tag(struct vty *vty, struct prefix *p, | |
9b6d8fcf | 7669 | struct bgp_path_info *path, int display, safi_t safi, |
d62a17ae | 7670 | json_object *json) |
7671 | { | |
7672 | json_object *json_out = NULL; | |
7673 | struct attr *attr; | |
7674 | mpls_label_t label = MPLS_INVALID_LABEL; | |
7675 | ||
9b6d8fcf | 7676 | if (!path->extra) |
d62a17ae | 7677 | return; |
7678 | ||
7679 | if (json) | |
7680 | json_out = json_object_new_object(); | |
7681 | ||
7682 | /* short status lead text */ | |
9b6d8fcf | 7683 | route_vty_short_status_out(vty, path, json_out); |
d62a17ae | 7684 | |
7685 | /* print prefix and mask */ | |
7686 | if (json == NULL) { | |
7687 | if (!display) | |
9c92b5f7 | 7688 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7689 | else |
7690 | vty_out(vty, "%*s", 17, " "); | |
7691 | } | |
7692 | ||
7693 | /* Print attribute */ | |
9b6d8fcf | 7694 | attr = path->attr; |
05864da7 DS |
7695 | if (((p->family == AF_INET) |
7696 | && ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP))) | |
7697 | || (safi == SAFI_EVPN && !BGP_ATTR_NEXTHOP_AFI_IP6(attr)) | |
7698 | || (!BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
7699 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7700 | || safi == SAFI_EVPN) { | |
7701 | if (json) | |
7702 | json_object_string_add( | |
7703 | json_out, "mpNexthopGlobalIn", | |
7704 | inet_ntoa(attr->mp_nexthop_global_in)); | |
7705 | else | |
7706 | vty_out(vty, "%-16s", | |
7707 | inet_ntoa(attr->mp_nexthop_global_in)); | |
7708 | } else { | |
7709 | if (json) | |
7710 | json_object_string_add( | |
7711 | json_out, "nexthop", | |
7712 | inet_ntoa(attr->nexthop)); | |
7713 | else | |
7714 | vty_out(vty, "%-16s", inet_ntoa(attr->nexthop)); | |
7715 | } | |
7716 | } else if (((p->family == AF_INET6) | |
7717 | && ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP))) | |
7718 | || (safi == SAFI_EVPN && BGP_ATTR_NEXTHOP_AFI_IP6(attr)) | |
7719 | || (BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
7720 | char buf_a[512]; | |
7721 | ||
7722 | if (attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL) { | |
7723 | if (json) | |
7724 | json_object_string_add( | |
7725 | json_out, "mpNexthopGlobalIn", | |
7726 | inet_ntop(AF_INET6, | |
7727 | &attr->mp_nexthop_global, | |
7728 | buf_a, sizeof(buf_a))); | |
7729 | else | |
7730 | vty_out(vty, "%s", | |
7731 | inet_ntop(AF_INET6, | |
7732 | &attr->mp_nexthop_global, | |
7733 | buf_a, sizeof(buf_a))); | |
7734 | } else if (attr->mp_nexthop_len | |
7735 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) { | |
7736 | snprintfrr(buf_a, sizeof(buf_a), "%pI6(%pI6)", | |
7737 | &attr->mp_nexthop_global, | |
7738 | &attr->mp_nexthop_local); | |
7739 | if (json) | |
7740 | json_object_string_add(json_out, | |
7741 | "mpNexthopGlobalLocal", | |
7742 | buf_a); | |
7743 | else | |
7744 | vty_out(vty, "%s", buf_a); | |
d62a17ae | 7745 | } |
7746 | } | |
7747 | ||
9b6d8fcf | 7748 | label = decode_label(&path->extra->label[0]); |
d62a17ae | 7749 | |
7750 | if (bgp_is_valid_label(&label)) { | |
7751 | if (json) { | |
7752 | json_object_int_add(json_out, "notag", label); | |
7753 | json_object_array_add(json, json_out); | |
7754 | } else { | |
7755 | vty_out(vty, "notag/%d", label); | |
7756 | vty_out(vty, "\n"); | |
7757 | } | |
7758 | } | |
7759 | } | |
718e3744 | 7760 | |
d62a17ae | 7761 | void route_vty_out_overlay(struct vty *vty, struct prefix *p, |
9b6d8fcf | 7762 | struct bgp_path_info *path, int display, |
d62a17ae | 7763 | json_object *json_paths) |
718e3744 | 7764 | { |
d62a17ae | 7765 | struct attr *attr; |
14f51eba | 7766 | char buf[BUFSIZ] = {0}; |
d62a17ae | 7767 | json_object *json_path = NULL; |
14f51eba LK |
7768 | json_object *json_nexthop = NULL; |
7769 | json_object *json_overlay = NULL; | |
856ca177 | 7770 | |
9b6d8fcf | 7771 | if (!path->extra) |
d62a17ae | 7772 | return; |
718e3744 | 7773 | |
14f51eba LK |
7774 | if (json_paths) { |
7775 | json_path = json_object_new_object(); | |
7776 | json_overlay = json_object_new_object(); | |
7777 | json_nexthop = json_object_new_object(); | |
7778 | } | |
7779 | ||
d62a17ae | 7780 | /* short status lead text */ |
9b6d8fcf | 7781 | route_vty_short_status_out(vty, path, json_path); |
856ca177 | 7782 | |
d62a17ae | 7783 | /* print prefix and mask */ |
7784 | if (!display) | |
14f51eba | 7785 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 7786 | else |
7787 | vty_out(vty, "%*s", 17, " "); | |
7788 | ||
7789 | /* Print attribute */ | |
9b6d8fcf | 7790 | attr = path->attr; |
05864da7 DS |
7791 | char buf1[BUFSIZ]; |
7792 | int af = NEXTHOP_FAMILY(attr->mp_nexthop_len); | |
d62a17ae | 7793 | |
05864da7 DS |
7794 | switch (af) { |
7795 | case AF_INET: | |
7796 | inet_ntop(af, &attr->mp_nexthop_global_in, buf, BUFSIZ); | |
7797 | if (!json_path) { | |
7798 | vty_out(vty, "%-16s", buf); | |
7799 | } else { | |
7800 | json_object_string_add(json_nexthop, "ip", buf); | |
14f51eba | 7801 | |
05864da7 | 7802 | json_object_string_add(json_nexthop, "afi", "ipv4"); |
14f51eba | 7803 | |
05864da7 DS |
7804 | json_object_object_add(json_path, "nexthop", |
7805 | json_nexthop); | |
7806 | } | |
7807 | break; | |
7808 | case AF_INET6: | |
7809 | inet_ntop(af, &attr->mp_nexthop_global, buf, BUFSIZ); | |
7810 | inet_ntop(af, &attr->mp_nexthop_local, buf1, BUFSIZ); | |
7811 | if (!json_path) { | |
7812 | vty_out(vty, "%s(%s)", buf, buf1); | |
7813 | } else { | |
7814 | json_object_string_add(json_nexthop, "ipv6Global", buf); | |
14f51eba | 7815 | |
05864da7 DS |
7816 | json_object_string_add(json_nexthop, "ipv6LinkLocal", |
7817 | buf1); | |
14f51eba | 7818 | |
05864da7 | 7819 | json_object_string_add(json_nexthop, "afi", "ipv6"); |
14f51eba | 7820 | |
05864da7 DS |
7821 | json_object_object_add(json_path, "nexthop", |
7822 | json_nexthop); | |
7823 | } | |
7824 | break; | |
7825 | default: | |
7826 | if (!json_path) { | |
7827 | vty_out(vty, "?"); | |
7828 | } else { | |
7829 | json_object_string_add(json_nexthop, "Error", | |
7830 | "Unsupported address-family"); | |
d62a17ae | 7831 | } |
05864da7 | 7832 | } |
988258b4 | 7833 | |
05864da7 | 7834 | char *str = esi2str(&(attr->evpn_overlay.eth_s_id)); |
988258b4 | 7835 | |
05864da7 DS |
7836 | if (!json_path) |
7837 | vty_out(vty, "%s", str); | |
7838 | else | |
7839 | json_object_string_add(json_overlay, "esi", str); | |
25b5da8d | 7840 | |
05864da7 | 7841 | XFREE(MTYPE_TMP, str); |
988258b4 | 7842 | |
05864da7 DS |
7843 | if (is_evpn_prefix_ipaddr_v4((struct prefix_evpn *)p)) { |
7844 | inet_ntop(AF_INET, &(attr->evpn_overlay.gw_ip.ipv4), buf, | |
7845 | BUFSIZ); | |
7846 | } else if (is_evpn_prefix_ipaddr_v6((struct prefix_evpn *)p)) { | |
7847 | inet_ntop(AF_INET6, &(attr->evpn_overlay.gw_ip.ipv6), buf, | |
7848 | BUFSIZ); | |
7849 | } | |
14f51eba | 7850 | |
05864da7 DS |
7851 | if (!json_path) |
7852 | vty_out(vty, "/%s", buf); | |
7853 | else | |
7854 | json_object_string_add(json_overlay, "gw", buf); | |
7855 | ||
7856 | if (attr->ecommunity) { | |
7857 | char *mac = NULL; | |
7858 | struct ecommunity_val *routermac = ecommunity_lookup( | |
7859 | attr->ecommunity, ECOMMUNITY_ENCODE_EVPN, | |
7860 | ECOMMUNITY_EVPN_SUBTYPE_ROUTERMAC); | |
7861 | ||
7862 | if (routermac) | |
7863 | mac = ecom_mac2str((char *)routermac->val); | |
7864 | if (mac) { | |
7865 | if (!json_path) { | |
7866 | vty_out(vty, "/%s", (char *)mac); | |
7867 | } else { | |
7868 | json_object_string_add(json_overlay, "rmac", | |
7869 | mac); | |
988258b4 | 7870 | } |
05864da7 | 7871 | XFREE(MTYPE_TMP, mac); |
988258b4 | 7872 | } |
05864da7 | 7873 | } |
718e3744 | 7874 | |
05864da7 DS |
7875 | if (!json_path) { |
7876 | vty_out(vty, "\n"); | |
7877 | } else { | |
7878 | json_object_object_add(json_path, "overlay", json_overlay); | |
14f51eba | 7879 | |
05864da7 | 7880 | json_object_array_add(json_paths, json_path); |
14f51eba | 7881 | } |
d62a17ae | 7882 | } |
718e3744 | 7883 | |
d62a17ae | 7884 | /* dampening route */ |
7885 | static void damp_route_vty_out(struct vty *vty, struct prefix *p, | |
9b6d8fcf | 7886 | struct bgp_path_info *path, int display, |
4b7e6066 | 7887 | safi_t safi, bool use_json, json_object *json) |
d62a17ae | 7888 | { |
7889 | struct attr *attr; | |
7890 | int len; | |
7891 | char timebuf[BGP_UPTIME_LEN]; | |
7892 | ||
7893 | /* short status lead text */ | |
9b6d8fcf | 7894 | route_vty_short_status_out(vty, path, json); |
d62a17ae | 7895 | |
7896 | /* print prefix and mask */ | |
7897 | if (!use_json) { | |
7898 | if (!display) | |
9c92b5f7 | 7899 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7900 | else |
7901 | vty_out(vty, "%*s", 17, " "); | |
7902 | } | |
7903 | ||
9b6d8fcf | 7904 | len = vty_out(vty, "%s", path->peer->host); |
d62a17ae | 7905 | len = 17 - len; |
7906 | if (len < 1) { | |
7907 | if (!use_json) | |
7908 | vty_out(vty, "\n%*s", 34, " "); | |
7909 | } else { | |
7910 | if (use_json) | |
7911 | json_object_int_add(json, "peerHost", len); | |
7912 | else | |
7913 | vty_out(vty, "%*s", len, " "); | |
7914 | } | |
7915 | ||
7916 | if (use_json) | |
9b6d8fcf | 7917 | bgp_damp_reuse_time_vty(vty, path, timebuf, BGP_UPTIME_LEN, |
d62a17ae | 7918 | use_json, json); |
7919 | else | |
9b6d8fcf DS |
7920 | vty_out(vty, "%s ", |
7921 | bgp_damp_reuse_time_vty(vty, path, timebuf, | |
7922 | BGP_UPTIME_LEN, use_json, | |
7923 | json)); | |
d62a17ae | 7924 | |
7925 | /* Print attribute */ | |
9b6d8fcf | 7926 | attr = path->attr; |
d62a17ae | 7927 | |
05864da7 DS |
7928 | /* Print aspath */ |
7929 | if (attr->aspath) { | |
d62a17ae | 7930 | if (use_json) |
05864da7 DS |
7931 | json_object_string_add(json, "asPath", |
7932 | attr->aspath->str); | |
d62a17ae | 7933 | else |
05864da7 | 7934 | aspath_print_vty(vty, "%s", attr->aspath, " "); |
d62a17ae | 7935 | } |
05864da7 DS |
7936 | |
7937 | /* Print origin */ | |
7938 | if (use_json) | |
7939 | json_object_string_add(json, "origin", | |
7940 | bgp_origin_str[attr->origin]); | |
7941 | else | |
7942 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
7943 | ||
d62a17ae | 7944 | if (!use_json) |
7945 | vty_out(vty, "\n"); | |
7946 | } | |
718e3744 | 7947 | |
d62a17ae | 7948 | /* flap route */ |
7949 | static void flap_route_vty_out(struct vty *vty, struct prefix *p, | |
9b6d8fcf | 7950 | struct bgp_path_info *path, int display, |
4b7e6066 | 7951 | safi_t safi, bool use_json, json_object *json) |
784d3a42 | 7952 | { |
d62a17ae | 7953 | struct attr *attr; |
7954 | struct bgp_damp_info *bdi; | |
7955 | char timebuf[BGP_UPTIME_LEN]; | |
7956 | int len; | |
784d3a42 | 7957 | |
9b6d8fcf | 7958 | if (!path->extra) |
d62a17ae | 7959 | return; |
784d3a42 | 7960 | |
9b6d8fcf | 7961 | bdi = path->extra->damp_info; |
784d3a42 | 7962 | |
d62a17ae | 7963 | /* short status lead text */ |
9b6d8fcf | 7964 | route_vty_short_status_out(vty, path, json); |
784d3a42 | 7965 | |
d62a17ae | 7966 | /* print prefix and mask */ |
7967 | if (!use_json) { | |
7968 | if (!display) | |
9c92b5f7 | 7969 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7970 | else |
7971 | vty_out(vty, "%*s", 17, " "); | |
7972 | } | |
784d3a42 | 7973 | |
9b6d8fcf | 7974 | len = vty_out(vty, "%s", path->peer->host); |
d62a17ae | 7975 | len = 16 - len; |
7976 | if (len < 1) { | |
7977 | if (!use_json) | |
7978 | vty_out(vty, "\n%*s", 33, " "); | |
7979 | } else { | |
7980 | if (use_json) | |
7981 | json_object_int_add(json, "peerHost", len); | |
7982 | else | |
7983 | vty_out(vty, "%*s", len, " "); | |
7984 | } | |
784d3a42 | 7985 | |
d62a17ae | 7986 | len = vty_out(vty, "%d", bdi->flap); |
7987 | len = 5 - len; | |
7988 | if (len < 1) { | |
7989 | if (!use_json) | |
7990 | vty_out(vty, " "); | |
7991 | } else { | |
7992 | if (use_json) | |
7993 | json_object_int_add(json, "bdiFlap", len); | |
7994 | else | |
7995 | vty_out(vty, "%*s", len, " "); | |
7996 | } | |
7997 | ||
7998 | if (use_json) | |
7999 | peer_uptime(bdi->start_time, timebuf, BGP_UPTIME_LEN, use_json, | |
8000 | json); | |
8001 | else | |
996c9314 LB |
8002 | vty_out(vty, "%s ", peer_uptime(bdi->start_time, timebuf, |
8003 | BGP_UPTIME_LEN, 0, NULL)); | |
d62a17ae | 8004 | |
9b6d8fcf DS |
8005 | if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED) |
8006 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { | |
d62a17ae | 8007 | if (use_json) |
9b6d8fcf | 8008 | bgp_damp_reuse_time_vty(vty, path, timebuf, |
d62a17ae | 8009 | BGP_UPTIME_LEN, use_json, json); |
8010 | else | |
8011 | vty_out(vty, "%s ", | |
9b6d8fcf | 8012 | bgp_damp_reuse_time_vty(vty, path, timebuf, |
d62a17ae | 8013 | BGP_UPTIME_LEN, |
8014 | use_json, json)); | |
8015 | } else { | |
8016 | if (!use_json) | |
8017 | vty_out(vty, "%*s ", 8, " "); | |
8018 | } | |
8019 | ||
8020 | /* Print attribute */ | |
9b6d8fcf | 8021 | attr = path->attr; |
d62a17ae | 8022 | |
05864da7 DS |
8023 | /* Print aspath */ |
8024 | if (attr->aspath) { | |
d62a17ae | 8025 | if (use_json) |
05864da7 DS |
8026 | json_object_string_add(json, "asPath", |
8027 | attr->aspath->str); | |
d62a17ae | 8028 | else |
05864da7 | 8029 | aspath_print_vty(vty, "%s", attr->aspath, " "); |
d62a17ae | 8030 | } |
05864da7 DS |
8031 | |
8032 | /* Print origin */ | |
8033 | if (use_json) | |
8034 | json_object_string_add(json, "origin", | |
8035 | bgp_origin_str[attr->origin]); | |
8036 | else | |
8037 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
8038 | ||
d62a17ae | 8039 | if (!use_json) |
8040 | vty_out(vty, "\n"); | |
8041 | } | |
8042 | ||
8043 | static void route_vty_out_advertised_to(struct vty *vty, struct peer *peer, | |
8044 | int *first, const char *header, | |
8045 | json_object *json_adv_to) | |
8046 | { | |
8047 | char buf1[INET6_ADDRSTRLEN]; | |
8048 | json_object *json_peer = NULL; | |
8049 | ||
8050 | if (json_adv_to) { | |
8051 | /* 'advertised-to' is a dictionary of peers we have advertised | |
8052 | * this | |
8053 | * prefix too. The key is the peer's IP or swpX, the value is | |
8054 | * the | |
8055 | * hostname if we know it and "" if not. | |
8056 | */ | |
8057 | json_peer = json_object_new_object(); | |
8058 | ||
8059 | if (peer->hostname) | |
8060 | json_object_string_add(json_peer, "hostname", | |
8061 | peer->hostname); | |
8062 | ||
8063 | if (peer->conf_if) | |
8064 | json_object_object_add(json_adv_to, peer->conf_if, | |
8065 | json_peer); | |
8066 | else | |
8067 | json_object_object_add( | |
8068 | json_adv_to, | |
8069 | sockunion2str(&peer->su, buf1, SU_ADDRSTRLEN), | |
8070 | json_peer); | |
8071 | } else { | |
8072 | if (*first) { | |
8073 | vty_out(vty, "%s", header); | |
8074 | *first = 0; | |
8075 | } | |
8076 | ||
8077 | if (peer->hostname | |
8078 | && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME)) { | |
8079 | if (peer->conf_if) | |
8080 | vty_out(vty, " %s(%s)", peer->hostname, | |
8081 | peer->conf_if); | |
8082 | else | |
8083 | vty_out(vty, " %s(%s)", peer->hostname, | |
8084 | sockunion2str(&peer->su, buf1, | |
8085 | SU_ADDRSTRLEN)); | |
8086 | } else { | |
8087 | if (peer->conf_if) | |
8088 | vty_out(vty, " %s", peer->conf_if); | |
8089 | else | |
8090 | vty_out(vty, " %s", | |
8091 | sockunion2str(&peer->su, buf1, | |
8092 | SU_ADDRSTRLEN)); | |
8093 | } | |
8094 | } | |
784d3a42 PG |
8095 | } |
8096 | ||
dcc68b5e MS |
8097 | static void route_vty_out_tx_ids(struct vty *vty, |
8098 | struct bgp_addpath_info_data *d) | |
8099 | { | |
8100 | int i; | |
8101 | ||
8102 | for (i = 0; i < BGP_ADDPATH_MAX; i++) { | |
8103 | vty_out(vty, "TX-%s %u%s", bgp_addpath_names(i)->human_name, | |
8104 | d->addpath_tx_id[i], | |
8105 | i < BGP_ADDPATH_MAX - 1 ? " " : "\n"); | |
8106 | } | |
8107 | } | |
8108 | ||
0dc8ee70 DS |
8109 | static const char *bgp_path_selection_reason2str( |
8110 | enum bgp_path_selection_reason reason) | |
8111 | { | |
8112 | switch (reason) { | |
8113 | case bgp_path_selection_none: | |
8114 | return "Nothing to Select"; | |
8115 | break; | |
8116 | case bgp_path_selection_first: | |
8117 | return "First path received"; | |
8118 | break; | |
8119 | case bgp_path_selection_evpn_sticky_mac: | |
8120 | return "EVPN Sticky Mac"; | |
8121 | break; | |
8122 | case bgp_path_selection_evpn_seq: | |
8123 | return "EVPN sequence number"; | |
8124 | break; | |
8125 | case bgp_path_selection_evpn_lower_ip: | |
8126 | return "EVPN lower IP"; | |
8127 | break; | |
8128 | case bgp_path_selection_weight: | |
8129 | return "Weight"; | |
8130 | break; | |
8131 | case bgp_path_selection_local_pref: | |
8132 | return "Local Pref"; | |
8133 | break; | |
8134 | case bgp_path_selection_local_route: | |
8135 | return "Local Route"; | |
8136 | break; | |
8137 | case bgp_path_selection_confed_as_path: | |
8138 | return "Confederation based AS Path"; | |
8139 | break; | |
8140 | case bgp_path_selection_as_path: | |
8141 | return "AS Path"; | |
8142 | break; | |
8143 | case bgp_path_selection_origin: | |
8144 | return "Origin"; | |
8145 | break; | |
8146 | case bgp_path_selection_med: | |
8147 | return "MED"; | |
8148 | break; | |
8149 | case bgp_path_selection_peer: | |
8150 | return "Peer Type"; | |
8151 | break; | |
8152 | case bgp_path_selection_confed: | |
8153 | return "Confed Peer Type"; | |
8154 | break; | |
8155 | case bgp_path_selection_igp_metric: | |
8156 | return "IGP Metric"; | |
8157 | break; | |
8158 | case bgp_path_selection_older: | |
8159 | return "Older Path"; | |
8160 | break; | |
8161 | case bgp_path_selection_router_id: | |
8162 | return "Router ID"; | |
8163 | break; | |
8164 | case bgp_path_selection_cluster_length: | |
8165 | return "Cluser length"; | |
8166 | break; | |
8167 | case bgp_path_selection_stale: | |
8168 | return "Path Staleness"; | |
8169 | break; | |
8170 | case bgp_path_selection_local_configured: | |
8171 | return "Locally configured route"; | |
8172 | break; | |
8173 | case bgp_path_selection_neighbor_ip: | |
8174 | return "Neighbor IP"; | |
8175 | break; | |
8176 | case bgp_path_selection_default: | |
8177 | return "Nothing left to compare"; | |
8178 | break; | |
8179 | } | |
a74879b2 | 8180 | return "Invalid (internal error)"; |
0dc8ee70 DS |
8181 | } |
8182 | ||
f08b5ca0 DS |
8183 | void route_vty_out_detail(struct vty *vty, struct bgp *bgp, |
8184 | struct bgp_node *bn, struct bgp_path_info *path, | |
8185 | afi_t afi, safi_t safi, json_object *json_paths) | |
d62a17ae | 8186 | { |
8187 | char buf[INET6_ADDRSTRLEN]; | |
8188 | char buf1[BUFSIZ]; | |
d62a17ae | 8189 | char buf2[EVPN_ROUTE_STRLEN]; |
d62a17ae | 8190 | struct attr *attr; |
8191 | int sockunion_vty_out(struct vty *, union sockunion *); | |
8192 | time_t tbuf; | |
8193 | json_object *json_bestpath = NULL; | |
8194 | json_object *json_cluster_list = NULL; | |
8195 | json_object *json_cluster_list_list = NULL; | |
8196 | json_object *json_ext_community = NULL; | |
8197 | json_object *json_last_update = NULL; | |
7fd077aa | 8198 | json_object *json_pmsi = NULL; |
d62a17ae | 8199 | json_object *json_nexthop_global = NULL; |
8200 | json_object *json_nexthop_ll = NULL; | |
8201 | json_object *json_nexthops = NULL; | |
8202 | json_object *json_path = NULL; | |
8203 | json_object *json_peer = NULL; | |
8204 | json_object *json_string = NULL; | |
8205 | json_object *json_adv_to = NULL; | |
8206 | int first = 0; | |
8207 | struct listnode *node, *nnode; | |
8208 | struct peer *peer; | |
8209 | int addpath_capable; | |
8210 | int has_adj; | |
8211 | unsigned int first_as; | |
1defdda8 | 8212 | bool nexthop_self = |
9b6d8fcf | 8213 | CHECK_FLAG(path->flags, BGP_PATH_ANNC_NH_SELF) ? true : false; |
dcc68b5e | 8214 | int i; |
25b5da8d | 8215 | char *nexthop_fqdn = bgp_nexthop_fqdn(path->peer); |
d62a17ae | 8216 | |
8217 | if (json_paths) { | |
8218 | json_path = json_object_new_object(); | |
8219 | json_peer = json_object_new_object(); | |
8220 | json_nexthop_global = json_object_new_object(); | |
8221 | } | |
8222 | ||
44c69747 | 8223 | if (path->extra) { |
b57ba6d2 | 8224 | char tag_buf[30]; |
d62a17ae | 8225 | |
d7325ee7 | 8226 | buf2[0] = '\0'; |
d62a17ae | 8227 | tag_buf[0] = '\0'; |
9b6d8fcf DS |
8228 | if (path->extra && path->extra->num_labels) { |
8229 | bgp_evpn_label2str(path->extra->label, | |
8230 | path->extra->num_labels, tag_buf, | |
a4d82a8a | 8231 | sizeof(tag_buf)); |
d62a17ae | 8232 | } |
d7325ee7 | 8233 | if (safi == SAFI_EVPN) { |
44c69747 LK |
8234 | if (!json_paths) { |
8235 | bgp_evpn_route2str((struct prefix_evpn *)&bn->p, | |
8236 | buf2, sizeof(buf2)); | |
8237 | vty_out(vty, " Route %s", buf2); | |
8238 | if (tag_buf[0] != '\0') | |
8239 | vty_out(vty, " VNI %s", tag_buf); | |
8240 | vty_out(vty, "\n"); | |
8241 | } else { | |
8242 | if (tag_buf[0]) | |
8243 | json_object_string_add(json_path, "VNI", | |
8244 | tag_buf); | |
8245 | } | |
d7325ee7 DD |
8246 | } |
8247 | ||
44c69747 | 8248 | if (path->extra && path->extra->parent && !json_paths) { |
4b7e6066 | 8249 | struct bgp_path_info *parent_ri; |
d62a17ae | 8250 | struct bgp_node *rn, *prn; |
8251 | ||
9b6d8fcf | 8252 | parent_ri = (struct bgp_path_info *)path->extra->parent; |
d62a17ae | 8253 | rn = parent_ri->net; |
8254 | if (rn && rn->prn) { | |
8255 | prn = rn->prn; | |
d7325ee7 DD |
8256 | prefix_rd2str((struct prefix_rd *)&prn->p, |
8257 | buf1, sizeof(buf1)); | |
8258 | if (is_pi_family_evpn(parent_ri)) { | |
8259 | bgp_evpn_route2str((struct prefix_evpn *)&rn->p, | |
8260 | buf2, sizeof(buf2)); | |
8261 | vty_out(vty, " Imported from %s:%s, VNI %s\n", buf1, buf2, tag_buf); | |
8262 | } else | |
8263 | vty_out(vty, " Imported from %s:%s\n", buf1, buf2); | |
d62a17ae | 8264 | } |
8265 | } | |
8266 | } | |
d62a17ae | 8267 | |
9b6d8fcf | 8268 | attr = path->attr; |
d62a17ae | 8269 | |
05864da7 DS |
8270 | /* Line1 display AS-path, Aggregator */ |
8271 | if (attr->aspath) { | |
8272 | if (json_paths) { | |
8273 | if (!attr->aspath->json) | |
8274 | aspath_str_update(attr->aspath, true); | |
8275 | json_object_lock(attr->aspath->json); | |
8276 | json_object_object_add(json_path, "aspath", | |
8277 | attr->aspath->json); | |
8278 | } else { | |
8279 | if (attr->aspath->segments) | |
8280 | aspath_print_vty(vty, " %s", attr->aspath, ""); | |
d62a17ae | 8281 | else |
05864da7 | 8282 | vty_out(vty, " Local"); |
d62a17ae | 8283 | } |
05864da7 | 8284 | } |
d62a17ae | 8285 | |
05864da7 DS |
8286 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) { |
8287 | if (json_paths) | |
8288 | json_object_boolean_true_add(json_path, "removed"); | |
8289 | else | |
8290 | vty_out(vty, ", (removed)"); | |
8291 | } | |
d62a17ae | 8292 | |
05864da7 DS |
8293 | if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) { |
8294 | if (json_paths) | |
8295 | json_object_boolean_true_add(json_path, "stale"); | |
8296 | else | |
8297 | vty_out(vty, ", (stale)"); | |
8298 | } | |
d62a17ae | 8299 | |
05864da7 DS |
8300 | if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_AGGREGATOR))) { |
8301 | if (json_paths) { | |
8302 | json_object_int_add(json_path, "aggregatorAs", | |
8303 | attr->aggregator_as); | |
8304 | json_object_string_add( | |
8305 | json_path, "aggregatorId", | |
8306 | inet_ntoa(attr->aggregator_addr)); | |
8307 | } else { | |
8308 | vty_out(vty, ", (aggregated by %u %s)", | |
8309 | attr->aggregator_as, | |
8310 | inet_ntoa(attr->aggregator_addr)); | |
d62a17ae | 8311 | } |
05864da7 | 8312 | } |
d62a17ae | 8313 | |
05864da7 DS |
8314 | if (CHECK_FLAG(path->peer->af_flags[afi][safi], |
8315 | PEER_FLAG_REFLECTOR_CLIENT)) { | |
8316 | if (json_paths) | |
8317 | json_object_boolean_true_add(json_path, | |
8318 | "rxedFromRrClient"); | |
8319 | else | |
8320 | vty_out(vty, ", (Received from a RR-client)"); | |
8321 | } | |
d62a17ae | 8322 | |
05864da7 DS |
8323 | if (CHECK_FLAG(path->peer->af_flags[afi][safi], |
8324 | PEER_FLAG_RSERVER_CLIENT)) { | |
8325 | if (json_paths) | |
8326 | json_object_boolean_true_add(json_path, | |
8327 | "rxedFromRsClient"); | |
8328 | else | |
8329 | vty_out(vty, ", (Received from a RS-client)"); | |
8330 | } | |
d62a17ae | 8331 | |
05864da7 DS |
8332 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { |
8333 | if (json_paths) | |
8334 | json_object_boolean_true_add(json_path, | |
8335 | "dampeningHistoryEntry"); | |
8336 | else | |
8337 | vty_out(vty, ", (history entry)"); | |
8338 | } else if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) { | |
8339 | if (json_paths) | |
8340 | json_object_boolean_true_add(json_path, | |
8341 | "dampeningSuppressed"); | |
8342 | else | |
8343 | vty_out(vty, ", (suppressed due to dampening)"); | |
8344 | } | |
d62a17ae | 8345 | |
05864da7 DS |
8346 | if (!json_paths) |
8347 | vty_out(vty, "\n"); | |
d62a17ae | 8348 | |
05864da7 DS |
8349 | /* Line2 display Next-hop, Neighbor, Router-id */ |
8350 | /* Display the nexthop */ | |
8351 | if ((bn->p.family == AF_INET || bn->p.family == AF_ETHERNET | |
8352 | || bn->p.family == AF_EVPN) | |
8353 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP || safi == SAFI_EVPN | |
8354 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
8355 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
8356 | || safi == SAFI_EVPN) { | |
d62a17ae | 8357 | if (json_paths) |
d62a17ae | 8358 | json_object_string_add( |
25b5da8d DA |
8359 | json_nexthop_global, |
8360 | nexthop_fqdn ? "fqdn" : "ip", | |
8361 | nexthop_fqdn | |
8362 | ? nexthop_fqdn | |
05864da7 DS |
8363 | : inet_ntoa( |
8364 | attr->mp_nexthop_global_in)); | |
8365 | else | |
d62a17ae | 8366 | vty_out(vty, " %s", |
25b5da8d DA |
8367 | nexthop_fqdn |
8368 | ? nexthop_fqdn | |
05864da7 DS |
8369 | : inet_ntoa( |
8370 | attr->mp_nexthop_global_in)); | |
d62a17ae | 8371 | } else { |
d62a17ae | 8372 | if (json_paths) |
05864da7 DS |
8373 | json_object_string_add( |
8374 | json_nexthop_global, | |
8375 | nexthop_fqdn ? "fqdn" : "ip", | |
8376 | nexthop_fqdn | |
8377 | ? nexthop_fqdn | |
8378 | : inet_ntoa(attr->nexthop)); | |
d62a17ae | 8379 | else |
05864da7 DS |
8380 | vty_out(vty, " %s", |
8381 | nexthop_fqdn | |
8382 | ? nexthop_fqdn | |
8383 | : inet_ntoa(attr->nexthop)); | |
d62a17ae | 8384 | } |
8385 | ||
05864da7 DS |
8386 | if (json_paths) |
8387 | json_object_string_add(json_nexthop_global, "afi", | |
8388 | "ipv4"); | |
8389 | } else { | |
8390 | if (json_paths) { | |
8391 | json_object_string_add( | |
8392 | json_nexthop_global, | |
8393 | nexthop_fqdn ? "fqdn" : "ip", | |
8394 | nexthop_fqdn | |
8395 | ? nexthop_fqdn | |
8396 | : inet_ntop(AF_INET6, | |
8397 | &attr->mp_nexthop_global, | |
8398 | buf, INET6_ADDRSTRLEN)); | |
8399 | json_object_string_add(json_nexthop_global, "afi", | |
8400 | "ipv6"); | |
8401 | json_object_string_add(json_nexthop_global, "scope", | |
8402 | "global"); | |
8403 | } else { | |
8404 | vty_out(vty, " %s", | |
8405 | nexthop_fqdn | |
8406 | ? nexthop_fqdn | |
8407 | : inet_ntop(AF_INET6, | |
8408 | &attr->mp_nexthop_global, | |
8409 | buf, INET6_ADDRSTRLEN)); | |
d62a17ae | 8410 | } |
05864da7 | 8411 | } |
d62a17ae | 8412 | |
05864da7 DS |
8413 | /* Display the IGP cost or 'inaccessible' */ |
8414 | if (!CHECK_FLAG(path->flags, BGP_PATH_VALID)) { | |
8415 | if (json_paths) | |
8416 | json_object_boolean_false_add(json_nexthop_global, | |
8417 | "accessible"); | |
8418 | else | |
8419 | vty_out(vty, " (inaccessible)"); | |
8420 | } else { | |
8421 | if (path->extra && path->extra->igpmetric) { | |
d62a17ae | 8422 | if (json_paths) |
05864da7 DS |
8423 | json_object_int_add(json_nexthop_global, |
8424 | "metric", | |
8425 | path->extra->igpmetric); | |
d62a17ae | 8426 | else |
05864da7 DS |
8427 | vty_out(vty, " (metric %u)", |
8428 | path->extra->igpmetric); | |
d62a17ae | 8429 | } |
8430 | ||
05864da7 | 8431 | /* IGP cost is 0, display this only for json */ |
d62a17ae | 8432 | else { |
d62a17ae | 8433 | if (json_paths) |
05864da7 DS |
8434 | json_object_int_add(json_nexthop_global, |
8435 | "metric", 0); | |
d62a17ae | 8436 | } |
d62a17ae | 8437 | |
05864da7 DS |
8438 | if (json_paths) |
8439 | json_object_boolean_true_add(json_nexthop_global, | |
8440 | "accessible"); | |
8441 | } | |
d62a17ae | 8442 | |
05864da7 DS |
8443 | /* Display peer "from" output */ |
8444 | /* This path was originated locally */ | |
8445 | if (path->peer == bgp->peer_self) { | |
d62a17ae | 8446 | |
05864da7 DS |
8447 | if (safi == SAFI_EVPN |
8448 | || (bn->p.family == AF_INET | |
8449 | && !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
d62a17ae | 8450 | if (json_paths) |
05864da7 DS |
8451 | json_object_string_add(json_peer, "peerId", |
8452 | "0.0.0.0"); | |
d62a17ae | 8453 | else |
05864da7 DS |
8454 | vty_out(vty, " from 0.0.0.0 "); |
8455 | } else { | |
d62a17ae | 8456 | if (json_paths) |
05864da7 DS |
8457 | json_object_string_add(json_peer, "peerId", |
8458 | "::"); | |
d62a17ae | 8459 | else |
05864da7 | 8460 | vty_out(vty, " from :: "); |
d62a17ae | 8461 | } |
d62a17ae | 8462 | |
05864da7 DS |
8463 | if (json_paths) |
8464 | json_object_string_add(json_peer, "routerId", | |
8465 | inet_ntoa(bgp->router_id)); | |
8466 | else | |
8467 | vty_out(vty, "(%s)", inet_ntoa(bgp->router_id)); | |
8468 | } | |
d62a17ae | 8469 | |
05864da7 DS |
8470 | /* We RXed this path from one of our peers */ |
8471 | else { | |
8472 | ||
8473 | if (json_paths) { | |
8474 | json_object_string_add(json_peer, "peerId", | |
8475 | sockunion2str(&path->peer->su, | |
8476 | buf, | |
8477 | SU_ADDRSTRLEN)); | |
8478 | json_object_string_add(json_peer, "routerId", | |
8479 | inet_ntop(AF_INET, | |
8480 | &path->peer->remote_id, | |
8481 | buf1, sizeof(buf1))); | |
8482 | ||
8483 | if (path->peer->hostname) | |
8484 | json_object_string_add(json_peer, "hostname", | |
8485 | path->peer->hostname); | |
8486 | ||
8487 | if (path->peer->domainname) | |
8488 | json_object_string_add(json_peer, "domainname", | |
8489 | path->peer->domainname); | |
8490 | ||
8491 | if (path->peer->conf_if) | |
8492 | json_object_string_add(json_peer, "interface", | |
8493 | path->peer->conf_if); | |
8494 | } else { | |
8495 | if (path->peer->conf_if) { | |
8496 | if (path->peer->hostname | |
8497 | && bgp_flag_check(path->peer->bgp, | |
8498 | BGP_FLAG_SHOW_HOSTNAME)) | |
8499 | vty_out(vty, " from %s(%s)", | |
8500 | path->peer->hostname, | |
8501 | path->peer->conf_if); | |
d62a17ae | 8502 | else |
05864da7 | 8503 | vty_out(vty, " from %s", |
9b6d8fcf | 8504 | path->peer->conf_if); |
d62a17ae | 8505 | } else { |
05864da7 DS |
8506 | if (path->peer->hostname |
8507 | && bgp_flag_check(path->peer->bgp, | |
8508 | BGP_FLAG_SHOW_HOSTNAME)) | |
8509 | vty_out(vty, " from %s(%s)", | |
8510 | path->peer->hostname, | |
8511 | path->peer->host); | |
d62a17ae | 8512 | else |
05864da7 DS |
8513 | vty_out(vty, " from %s", |
8514 | sockunion2str(&path->peer->su, | |
8515 | buf, | |
8516 | SU_ADDRSTRLEN)); | |
d62a17ae | 8517 | } |
d62a17ae | 8518 | |
05864da7 DS |
8519 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) |
8520 | vty_out(vty, " (%s)", | |
8521 | inet_ntoa(attr->originator_id)); | |
8522 | else | |
8523 | vty_out(vty, " (%s)", | |
8524 | inet_ntop(AF_INET, | |
8525 | &path->peer->remote_id, buf1, | |
8526 | sizeof(buf1))); | |
d62a17ae | 8527 | } |
05864da7 | 8528 | } |
9df8b37c | 8529 | |
05864da7 DS |
8530 | /* |
8531 | * Note when vrfid of nexthop is different from that of prefix | |
8532 | */ | |
8533 | if (path->extra && path->extra->bgp_orig) { | |
8534 | vrf_id_t nexthop_vrfid = path->extra->bgp_orig->vrf_id; | |
9df8b37c | 8535 | |
05864da7 DS |
8536 | if (json_paths) { |
8537 | const char *vn; | |
9df8b37c | 8538 | |
05864da7 DS |
8539 | if (path->extra->bgp_orig->inst_type |
8540 | == BGP_INSTANCE_TYPE_DEFAULT) | |
8541 | vn = VRF_DEFAULT_NAME; | |
8542 | else | |
8543 | vn = path->extra->bgp_orig->name; | |
9df8b37c | 8544 | |
05864da7 | 8545 | json_object_string_add(json_path, "nhVrfName", vn); |
9df8b37c | 8546 | |
05864da7 DS |
8547 | if (nexthop_vrfid == VRF_UNKNOWN) { |
8548 | json_object_int_add(json_path, "nhVrfId", -1); | |
9df8b37c | 8549 | } else { |
05864da7 DS |
8550 | json_object_int_add(json_path, "nhVrfId", |
8551 | (int)nexthop_vrfid); | |
9df8b37c | 8552 | } |
05864da7 DS |
8553 | } else { |
8554 | if (nexthop_vrfid == VRF_UNKNOWN) | |
8555 | vty_out(vty, " vrf ?"); | |
d62a17ae | 8556 | else |
05864da7 | 8557 | vty_out(vty, " vrf %u", nexthop_vrfid); |
9df8b37c | 8558 | } |
05864da7 | 8559 | } |
9df8b37c | 8560 | |
05864da7 DS |
8561 | if (nexthop_self) { |
8562 | if (json_paths) { | |
8563 | json_object_boolean_true_add(json_path, | |
8564 | "announceNexthopSelf"); | |
8565 | } else { | |
8566 | vty_out(vty, " announce-nh-self"); | |
9df8b37c | 8567 | } |
05864da7 | 8568 | } |
9df8b37c | 8569 | |
05864da7 DS |
8570 | if (!json_paths) |
8571 | vty_out(vty, "\n"); | |
d62a17ae | 8572 | |
05864da7 DS |
8573 | /* display the link-local nexthop */ |
8574 | if (attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) { | |
8575 | if (json_paths) { | |
8576 | json_nexthop_ll = json_object_new_object(); | |
8577 | json_object_string_add( | |
8578 | json_nexthop_ll, nexthop_fqdn ? "fqdn" : "ip", | |
8579 | nexthop_fqdn | |
8580 | ? nexthop_fqdn | |
8581 | : inet_ntop(AF_INET6, | |
8582 | &attr->mp_nexthop_local, | |
8583 | buf, INET6_ADDRSTRLEN)); | |
8584 | json_object_string_add(json_nexthop_ll, "afi", "ipv6"); | |
8585 | json_object_string_add(json_nexthop_ll, "scope", | |
8586 | "link-local"); | |
d62a17ae | 8587 | |
05864da7 DS |
8588 | json_object_boolean_true_add(json_nexthop_ll, |
8589 | "accessible"); | |
d62a17ae | 8590 | |
05864da7 | 8591 | if (!attr->mp_nexthop_prefer_global) |
d62a17ae | 8592 | json_object_boolean_true_add(json_nexthop_ll, |
05864da7 DS |
8593 | "used"); |
8594 | else | |
8595 | json_object_boolean_true_add( | |
8596 | json_nexthop_global, "used"); | |
8597 | } else { | |
8598 | vty_out(vty, " (%s) %s\n", | |
8599 | inet_ntop(AF_INET6, &attr->mp_nexthop_local, | |
8600 | buf, INET6_ADDRSTRLEN), | |
8601 | attr->mp_nexthop_prefer_global | |
8602 | ? "(prefer-global)" | |
8603 | : "(used)"); | |
d62a17ae | 8604 | } |
05864da7 DS |
8605 | } |
8606 | /* If we do not have a link-local nexthop then we must flag the | |
8607 | global as "used" */ | |
8608 | else { | |
8609 | if (json_paths) | |
8610 | json_object_boolean_true_add(json_nexthop_global, | |
8611 | "used"); | |
8612 | } | |
d62a17ae | 8613 | |
05864da7 DS |
8614 | /* Line 3 display Origin, Med, Locpref, Weight, Tag, valid, |
8615 | * Int/Ext/Local, Atomic, best */ | |
8616 | if (json_paths) | |
8617 | json_object_string_add(json_path, "origin", | |
8618 | bgp_origin_long_str[attr->origin]); | |
8619 | else | |
8620 | vty_out(vty, " Origin %s", | |
8621 | bgp_origin_long_str[attr->origin]); | |
9df8b37c | 8622 | |
05864da7 DS |
8623 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) { |
8624 | if (json_paths) { | |
8625 | /* | |
8626 | * Adding "metric" field to match with | |
8627 | * corresponding CLI. "med" will be | |
8628 | * deprecated in future. | |
8629 | */ | |
8630 | json_object_int_add(json_path, "med", attr->med); | |
8631 | json_object_int_add(json_path, "metric", attr->med); | |
8632 | } else | |
8633 | vty_out(vty, ", metric %u", attr->med); | |
8634 | } | |
9df8b37c | 8635 | |
05864da7 DS |
8636 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) { |
8637 | if (json_paths) | |
8638 | json_object_int_add(json_path, "localpref", | |
8639 | attr->local_pref); | |
8640 | else | |
8641 | vty_out(vty, ", localpref %u", attr->local_pref); | |
8642 | } | |
9df8b37c | 8643 | |
05864da7 DS |
8644 | if (attr->weight != 0) { |
8645 | if (json_paths) | |
8646 | json_object_int_add(json_path, "weight", attr->weight); | |
8647 | else | |
8648 | vty_out(vty, ", weight %u", attr->weight); | |
8649 | } | |
9df8b37c | 8650 | |
05864da7 DS |
8651 | if (attr->tag != 0) { |
8652 | if (json_paths) | |
8653 | json_object_int_add(json_path, "tag", attr->tag); | |
8654 | else | |
8655 | vty_out(vty, ", tag %" ROUTE_TAG_PRI, attr->tag); | |
8656 | } | |
9df8b37c | 8657 | |
05864da7 DS |
8658 | if (!CHECK_FLAG(path->flags, BGP_PATH_VALID)) { |
8659 | if (json_paths) | |
8660 | json_object_boolean_false_add(json_path, "valid"); | |
8661 | else | |
8662 | vty_out(vty, ", invalid"); | |
8663 | } else if (!CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { | |
8664 | if (json_paths) | |
8665 | json_object_boolean_true_add(json_path, "valid"); | |
8666 | else | |
8667 | vty_out(vty, ", valid"); | |
8668 | } | |
9df8b37c | 8669 | |
05864da7 DS |
8670 | if (path->peer != bgp->peer_self) { |
8671 | if (path->peer->as == path->peer->local_as) { | |
8672 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) { | |
8673 | if (json_paths) | |
8674 | json_object_string_add( | |
8675 | json_peer, "type", | |
8676 | "confed-internal"); | |
d62a17ae | 8677 | else |
05864da7 | 8678 | vty_out(vty, ", confed-internal"); |
d62a17ae | 8679 | } else { |
05864da7 DS |
8680 | if (json_paths) |
8681 | json_object_string_add( | |
8682 | json_peer, "type", "internal"); | |
8683 | else | |
8684 | vty_out(vty, ", internal"); | |
9df8b37c | 8685 | } |
05864da7 DS |
8686 | } else { |
8687 | if (bgp_confederation_peers_check(bgp, | |
8688 | path->peer->as)) { | |
8689 | if (json_paths) | |
8690 | json_object_string_add( | |
8691 | json_peer, "type", | |
8692 | "confed-external"); | |
d62a17ae | 8693 | else |
05864da7 | 8694 | vty_out(vty, ", confed-external"); |
d62a17ae | 8695 | } else { |
05864da7 DS |
8696 | if (json_paths) |
8697 | json_object_string_add( | |
8698 | json_peer, "type", "external"); | |
8699 | else | |
8700 | vty_out(vty, ", external"); | |
d62a17ae | 8701 | } |
8702 | } | |
05864da7 DS |
8703 | } else if (path->sub_type == BGP_ROUTE_AGGREGATE) { |
8704 | if (json_paths) { | |
8705 | json_object_boolean_true_add(json_path, "aggregated"); | |
8706 | json_object_boolean_true_add(json_path, "local"); | |
8707 | } else { | |
8708 | vty_out(vty, ", aggregated, local"); | |
8709 | } | |
8710 | } else if (path->type != ZEBRA_ROUTE_BGP) { | |
8711 | if (json_paths) | |
8712 | json_object_boolean_true_add(json_path, "sourced"); | |
8713 | else | |
8714 | vty_out(vty, ", sourced"); | |
8715 | } else { | |
8716 | if (json_paths) { | |
8717 | json_object_boolean_true_add(json_path, "sourced"); | |
8718 | json_object_boolean_true_add(json_path, "local"); | |
8719 | } else { | |
8720 | vty_out(vty, ", sourced, local"); | |
d62a17ae | 8721 | } |
05864da7 | 8722 | } |
718e3744 | 8723 | |
05864da7 | 8724 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE)) { |
d62a17ae | 8725 | if (json_paths) |
05864da7 DS |
8726 | json_object_boolean_true_add(json_path, |
8727 | "atomicAggregate"); | |
d62a17ae | 8728 | else |
05864da7 DS |
8729 | vty_out(vty, ", atomic-aggregate"); |
8730 | } | |
d62a17ae | 8731 | |
05864da7 DS |
8732 | if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH) |
8733 | || (CHECK_FLAG(path->flags, BGP_PATH_SELECTED) | |
8734 | && bgp_path_info_mpath_count(path))) { | |
8735 | if (json_paths) | |
8736 | json_object_boolean_true_add(json_path, "multipath"); | |
8737 | else | |
8738 | vty_out(vty, ", multipath"); | |
8739 | } | |
50e05855 | 8740 | |
05864da7 DS |
8741 | // Mark the bestpath(s) |
8742 | if (CHECK_FLAG(path->flags, BGP_PATH_DMED_SELECTED)) { | |
8743 | first_as = aspath_get_first_as(attr->aspath); | |
718e3744 | 8744 | |
05864da7 DS |
8745 | if (json_paths) { |
8746 | if (!json_bestpath) | |
8747 | json_bestpath = json_object_new_object(); | |
8748 | json_object_int_add(json_bestpath, "bestpathFromAs", | |
8749 | first_as); | |
8750 | } else { | |
8751 | if (first_as) | |
8752 | vty_out(vty, ", bestpath-from-AS %u", first_as); | |
d62a17ae | 8753 | else |
05864da7 | 8754 | vty_out(vty, ", bestpath-from-AS Local"); |
d62a17ae | 8755 | } |
05864da7 | 8756 | } |
718e3744 | 8757 | |
05864da7 DS |
8758 | if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) { |
8759 | if (json_paths) { | |
8760 | if (!json_bestpath) | |
8761 | json_bestpath = json_object_new_object(); | |
8762 | json_object_boolean_true_add(json_bestpath, "overall"); | |
8763 | json_object_string_add( | |
8764 | json_bestpath, "selectionReason", | |
8765 | bgp_path_selection_reason2str(bn->reason)); | |
8766 | } else { | |
8767 | vty_out(vty, ", best"); | |
8768 | vty_out(vty, " (%s)", | |
8769 | bgp_path_selection_reason2str(bn->reason)); | |
d62a17ae | 8770 | } |
05864da7 | 8771 | } |
718e3744 | 8772 | |
05864da7 DS |
8773 | if (json_bestpath) |
8774 | json_object_object_add(json_path, "bestpath", json_bestpath); | |
718e3744 | 8775 | |
05864da7 DS |
8776 | if (!json_paths) |
8777 | vty_out(vty, "\n"); | |
8778 | ||
8779 | /* Line 4 display Community */ | |
8780 | if (attr->community) { | |
8781 | if (json_paths) { | |
8782 | if (!attr->community->json) | |
8783 | community_str(attr->community, true); | |
8784 | json_object_lock(attr->community->json); | |
8785 | json_object_object_add(json_path, "community", | |
8786 | attr->community->json); | |
8787 | } else { | |
8788 | vty_out(vty, " Community: %s\n", | |
8789 | attr->community->str); | |
d62a17ae | 8790 | } |
05864da7 | 8791 | } |
718e3744 | 8792 | |
05864da7 DS |
8793 | /* Line 5 display Extended-community */ |
8794 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
8795 | if (json_paths) { | |
8796 | json_ext_community = json_object_new_object(); | |
8797 | json_object_string_add(json_ext_community, "string", | |
8798 | attr->ecommunity->str); | |
8799 | json_object_object_add(json_path, "extendedCommunity", | |
8800 | json_ext_community); | |
d62a17ae | 8801 | } else { |
05864da7 DS |
8802 | vty_out(vty, " Extended Community: %s\n", |
8803 | attr->ecommunity->str); | |
d62a17ae | 8804 | } |
05864da7 | 8805 | } |
718e3744 | 8806 | |
05864da7 DS |
8807 | /* Line 6 display Large community */ |
8808 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LARGE_COMMUNITIES)) { | |
8809 | if (json_paths) { | |
8810 | if (!attr->lcommunity->json) | |
8811 | lcommunity_str(attr->lcommunity, true); | |
8812 | json_object_lock(attr->lcommunity->json); | |
8813 | json_object_object_add(json_path, "largeCommunity", | |
8814 | attr->lcommunity->json); | |
8815 | } else { | |
8816 | vty_out(vty, " Large Community: %s\n", | |
8817 | attr->lcommunity->str); | |
d62a17ae | 8818 | } |
05864da7 | 8819 | } |
718e3744 | 8820 | |
05864da7 DS |
8821 | /* Line 7 display Originator, Cluster-id */ |
8822 | if ((attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) | |
8823 | || (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST))) { | |
8824 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) { | |
d62a17ae | 8825 | if (json_paths) |
05864da7 DS |
8826 | json_object_string_add( |
8827 | json_path, "originatorId", | |
8828 | inet_ntoa(attr->originator_id)); | |
d62a17ae | 8829 | else |
05864da7 DS |
8830 | vty_out(vty, " Originator: %s", |
8831 | inet_ntoa(attr->originator_id)); | |
d62a17ae | 8832 | } |
856ca177 | 8833 | |
05864da7 DS |
8834 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST)) { |
8835 | int i; | |
d62a17ae | 8836 | |
8837 | if (json_paths) { | |
05864da7 DS |
8838 | json_cluster_list = json_object_new_object(); |
8839 | json_cluster_list_list = | |
8840 | json_object_new_array(); | |
8841 | ||
8842 | for (i = 0; i < attr->cluster->length / 4; | |
8843 | i++) { | |
8844 | json_string = json_object_new_string( | |
8845 | inet_ntoa(attr->cluster | |
8846 | ->list[i])); | |
8847 | json_object_array_add( | |
8848 | json_cluster_list_list, | |
8849 | json_string); | |
8850 | } | |
718e3744 | 8851 | |
05864da7 DS |
8852 | /* |
8853 | * struct cluster_list does not have | |
8854 | * "str" variable like aspath and community | |
8855 | * do. Add this someday if someone asks | |
8856 | * for it. | |
8857 | * json_object_string_add(json_cluster_list, | |
8858 | * "string", attr->cluster->str); | |
8859 | */ | |
8860 | json_object_object_add(json_cluster_list, | |
8861 | "list", | |
8862 | json_cluster_list_list); | |
8863 | json_object_object_add(json_path, "clusterList", | |
8864 | json_cluster_list); | |
0dc8ee70 | 8865 | } else { |
05864da7 DS |
8866 | vty_out(vty, ", Cluster list: "); |
8867 | ||
8868 | for (i = 0; i < attr->cluster->length / 4; | |
8869 | i++) { | |
8870 | vty_out(vty, "%s ", | |
8871 | inet_ntoa(attr->cluster | |
8872 | ->list[i])); | |
8873 | } | |
0dc8ee70 | 8874 | } |
d62a17ae | 8875 | } |
718e3744 | 8876 | |
d62a17ae | 8877 | if (!json_paths) |
8878 | vty_out(vty, "\n"); | |
05864da7 | 8879 | } |
d62a17ae | 8880 | |
05864da7 DS |
8881 | if (path->extra && path->extra->damp_info) |
8882 | bgp_damp_info_vty(vty, path, json_path); | |
adbac85e | 8883 | |
05864da7 DS |
8884 | /* Remote Label */ |
8885 | if (path->extra && bgp_is_valid_label(&path->extra->label[0]) | |
8886 | && (safi != SAFI_EVPN && !is_route_parent_evpn(path))) { | |
8887 | mpls_label_t label = label_pton(&path->extra->label[0]); | |
d62a17ae | 8888 | |
05864da7 DS |
8889 | if (json_paths) |
8890 | json_object_int_add(json_path, "remoteLabel", label); | |
8891 | else | |
8892 | vty_out(vty, " Remote label: %d\n", label); | |
8893 | } | |
d62a17ae | 8894 | |
05864da7 DS |
8895 | /* Label Index */ |
8896 | if (attr->label_index != BGP_INVALID_LABEL_INDEX) { | |
8897 | if (json_paths) | |
8898 | json_object_int_add(json_path, "labelIndex", | |
8899 | attr->label_index); | |
8900 | else | |
8901 | vty_out(vty, " Label Index: %d\n", | |
8902 | attr->label_index); | |
8903 | } | |
d62a17ae | 8904 | |
05864da7 DS |
8905 | /* Line 8 display Addpath IDs */ |
8906 | if (path->addpath_rx_id | |
8907 | || bgp_addpath_info_has_ids(&path->tx_addpath)) { | |
8908 | if (json_paths) { | |
8909 | json_object_int_add(json_path, "addpathRxId", | |
8910 | path->addpath_rx_id); | |
d62a17ae | 8911 | |
05864da7 DS |
8912 | /* Keep backwards compatibility with the old API |
8913 | * by putting TX All's ID in the old field | |
8914 | */ | |
8915 | json_object_int_add( | |
8916 | json_path, "addpathTxId", | |
8917 | path->tx_addpath | |
8918 | .addpath_tx_id[BGP_ADDPATH_ALL]); | |
d62a17ae | 8919 | |
05864da7 DS |
8920 | /* ... but create a specific field for each |
8921 | * strategy | |
8922 | */ | |
8923 | for (i = 0; i < BGP_ADDPATH_MAX; i++) { | |
8924 | json_object_int_add( | |
8925 | json_path, | |
8926 | bgp_addpath_names(i)->id_json_name, | |
8927 | path->tx_addpath.addpath_tx_id[i]); | |
d62a17ae | 8928 | } |
05864da7 DS |
8929 | } else { |
8930 | vty_out(vty, " AddPath ID: RX %u, ", | |
8931 | path->addpath_rx_id); | |
d62a17ae | 8932 | |
05864da7 | 8933 | route_vty_out_tx_ids(vty, &path->tx_addpath); |
d62a17ae | 8934 | } |
05864da7 | 8935 | } |
520d5d76 | 8936 | |
05864da7 DS |
8937 | /* If we used addpath to TX a non-bestpath we need to display |
8938 | * "Advertised to" on a path-by-path basis | |
8939 | */ | |
8940 | if (bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { | |
8941 | first = 1; | |
dcc68b5e | 8942 | |
05864da7 DS |
8943 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { |
8944 | addpath_capable = | |
8945 | bgp_addpath_encode_tx(peer, afi, safi); | |
8946 | has_adj = bgp_adj_out_lookup( | |
8947 | peer, path->net, | |
8948 | bgp_addpath_id_for_peer(peer, afi, safi, | |
8949 | &path->tx_addpath)); | |
8950 | ||
8951 | if ((addpath_capable && has_adj) | |
8952 | || (!addpath_capable && has_adj | |
8953 | && CHECK_FLAG(path->flags, | |
8954 | BGP_PATH_SELECTED))) { | |
8955 | if (json_path && !json_adv_to) | |
8956 | json_adv_to = json_object_new_object(); | |
dcc68b5e | 8957 | |
05864da7 DS |
8958 | route_vty_out_advertised_to( |
8959 | vty, peer, &first, | |
8960 | " Advertised to:", json_adv_to); | |
d62a17ae | 8961 | } |
8962 | } | |
718e3744 | 8963 | |
05864da7 DS |
8964 | if (json_path) { |
8965 | if (json_adv_to) { | |
8966 | json_object_object_add( | |
8967 | json_path, "advertisedTo", json_adv_to); | |
d62a17ae | 8968 | } |
05864da7 DS |
8969 | } else { |
8970 | if (!first) { | |
8971 | vty_out(vty, "\n"); | |
d62a17ae | 8972 | } |
8973 | } | |
05864da7 | 8974 | } |
b05a1c8b | 8975 | |
05864da7 DS |
8976 | /* Line 9 display Uptime */ |
8977 | tbuf = time(NULL) - (bgp_clock() - path->uptime); | |
8978 | if (json_paths) { | |
8979 | json_last_update = json_object_new_object(); | |
8980 | json_object_int_add(json_last_update, "epoch", tbuf); | |
8981 | json_object_string_add(json_last_update, "string", | |
8982 | ctime(&tbuf)); | |
8983 | json_object_object_add(json_path, "lastUpdate", | |
8984 | json_last_update); | |
8985 | } else | |
8986 | vty_out(vty, " Last update: %s", ctime(&tbuf)); | |
b7d08f5a | 8987 | |
05864da7 DS |
8988 | /* Line 10 display PMSI tunnel attribute, if present */ |
8989 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_PMSI_TUNNEL)) { | |
8990 | const char *str = | |
8991 | lookup_msg(bgp_pmsi_tnltype_str, attr->pmsi_tnl_type, | |
8992 | PMSI_TNLTYPE_STR_DEFAULT); | |
7fd077aa | 8993 | |
05864da7 DS |
8994 | if (json_paths) { |
8995 | json_pmsi = json_object_new_object(); | |
8996 | json_object_string_add(json_pmsi, "tunnelType", str); | |
8997 | json_object_int_add(json_pmsi, "label", | |
8998 | label2vni(&attr->label)); | |
8999 | json_object_object_add(json_path, "pmsi", json_pmsi); | |
9000 | } else | |
9001 | vty_out(vty, " PMSI Tunnel Type: %s, label: %d\n", | |
9002 | str, label2vni(&attr->label)); | |
d62a17ae | 9003 | } |
f1aa5d8a | 9004 | |
d62a17ae | 9005 | /* We've constructed the json object for this path, add it to the json |
9006 | * array of paths | |
9007 | */ | |
9008 | if (json_paths) { | |
9009 | if (json_nexthop_global || json_nexthop_ll) { | |
9010 | json_nexthops = json_object_new_array(); | |
f1aa5d8a | 9011 | |
d62a17ae | 9012 | if (json_nexthop_global) |
9013 | json_object_array_add(json_nexthops, | |
9014 | json_nexthop_global); | |
f1aa5d8a | 9015 | |
d62a17ae | 9016 | if (json_nexthop_ll) |
9017 | json_object_array_add(json_nexthops, | |
9018 | json_nexthop_ll); | |
f1aa5d8a | 9019 | |
d62a17ae | 9020 | json_object_object_add(json_path, "nexthops", |
9021 | json_nexthops); | |
9022 | } | |
9023 | ||
9024 | json_object_object_add(json_path, "peer", json_peer); | |
9025 | json_object_array_add(json_paths, json_path); | |
05864da7 | 9026 | } |
b366b518 BB |
9027 | } |
9028 | ||
96ade3ed | 9029 | #define BGP_SHOW_HEADER_CSV "Flags, Network, Next Hop, Metric, LocPrf, Weight, Path" |
181039f3 DL |
9030 | #define BGP_SHOW_DAMP_HEADER " Network From Reuse Path\n" |
9031 | #define BGP_SHOW_FLAP_HEADER " Network From Flaps Duration Reuse Path\n" | |
718e3744 | 9032 | |
d62a17ae | 9033 | static int bgp_show_prefix_list(struct vty *vty, struct bgp *bgp, |
9034 | const char *prefix_list_str, afi_t afi, | |
9035 | safi_t safi, enum bgp_show_type type); | |
9036 | static int bgp_show_filter_list(struct vty *vty, struct bgp *bgp, | |
9037 | const char *filter, afi_t afi, safi_t safi, | |
9038 | enum bgp_show_type type); | |
9039 | static int bgp_show_route_map(struct vty *vty, struct bgp *bgp, | |
9040 | const char *rmap_str, afi_t afi, safi_t safi, | |
9041 | enum bgp_show_type type); | |
9042 | static int bgp_show_community_list(struct vty *vty, struct bgp *bgp, | |
9043 | const char *com, int exact, afi_t afi, | |
9044 | safi_t safi); | |
9045 | static int bgp_show_prefix_longer(struct vty *vty, struct bgp *bgp, | |
9046 | const char *prefix, afi_t afi, safi_t safi, | |
9047 | enum bgp_show_type type); | |
a4d82a8a PZ |
9048 | static int bgp_show_regexp(struct vty *vty, struct bgp *bgp, const char *regstr, |
9049 | afi_t afi, safi_t safi, enum bgp_show_type type); | |
7f323236 DW |
9050 | static int bgp_show_community(struct vty *vty, struct bgp *bgp, |
9051 | const char *comstr, int exact, afi_t afi, | |
9f049418 | 9052 | safi_t safi, bool use_json); |
d62a17ae | 9053 | |
1ae44dfc LB |
9054 | |
9055 | static int bgp_show_table(struct vty *vty, struct bgp *bgp, safi_t safi, | |
d62a17ae | 9056 | struct bgp_table *table, enum bgp_show_type type, |
9f049418 | 9057 | void *output_arg, bool use_json, char *rd, |
a4d82a8a PZ |
9058 | int is_last, unsigned long *output_cum, |
9059 | unsigned long *total_cum, | |
9386b588 | 9060 | unsigned long *json_header_depth) |
d62a17ae | 9061 | { |
40381db7 | 9062 | struct bgp_path_info *pi; |
d62a17ae | 9063 | struct bgp_node *rn; |
9064 | int header = 1; | |
9065 | int display; | |
1ae44dfc LB |
9066 | unsigned long output_count = 0; |
9067 | unsigned long total_count = 0; | |
d62a17ae | 9068 | struct prefix *p; |
d62a17ae | 9069 | char buf2[BUFSIZ]; |
9070 | json_object *json_paths = NULL; | |
9071 | int first = 1; | |
9072 | ||
1ae44dfc LB |
9073 | if (output_cum && *output_cum != 0) |
9074 | header = 0; | |
9075 | ||
9386b588 | 9076 | if (use_json && !*json_header_depth) { |
d62a17ae | 9077 | vty_out(vty, |
66f80d74 | 9078 | "{\n \"vrfId\": %d,\n \"vrfName\": \"%s\",\n \"tableVersion\": %" PRId64 |
01eced22 AD |
9079 | ",\n \"routerId\": \"%s\",\n \"defaultLocPrf\": %u,\n" |
9080 | " \"localAS\": %u,\n \"routes\": { ", | |
a8bf7d9c | 9081 | bgp->vrf_id == VRF_UNKNOWN ? -1 : (int)bgp->vrf_id, |
5742e42b DS |
9082 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT |
9083 | ? VRF_DEFAULT_NAME | |
9084 | : bgp->name, | |
01eced22 AD |
9085 | table->version, inet_ntoa(bgp->router_id), |
9086 | bgp->default_local_pref, bgp->as); | |
9386b588 PZ |
9087 | *json_header_depth = 2; |
9088 | if (rd) { | |
445c2480 | 9089 | vty_out(vty, " \"routeDistinguishers\" : {"); |
9386b588 PZ |
9090 | ++*json_header_depth; |
9091 | } | |
d62a17ae | 9092 | } |
718e3744 | 9093 | |
445c2480 DS |
9094 | if (use_json && rd) { |
9095 | vty_out(vty, " \"%s\" : { ", rd); | |
9096 | } | |
9097 | ||
d62a17ae | 9098 | /* Start processing of routes. */ |
98ce9a06 | 9099 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
6f94b685 DS |
9100 | pi = bgp_node_get_bgp_path_info(rn); |
9101 | if (pi == NULL) | |
98ce9a06 | 9102 | continue; |
d62a17ae | 9103 | |
98ce9a06 | 9104 | display = 0; |
98ce9a06 DS |
9105 | if (use_json) |
9106 | json_paths = json_object_new_array(); | |
9107 | else | |
9108 | json_paths = NULL; | |
d62a17ae | 9109 | |
6f94b685 | 9110 | for (; pi; pi = pi->next) { |
98ce9a06 DS |
9111 | total_count++; |
9112 | if (type == bgp_show_type_flap_statistics | |
9113 | || type == bgp_show_type_flap_neighbor | |
9114 | || type == bgp_show_type_dampend_paths | |
9115 | || type == bgp_show_type_damp_neighbor) { | |
40381db7 | 9116 | if (!(pi->extra && pi->extra->damp_info)) |
98ce9a06 DS |
9117 | continue; |
9118 | } | |
9119 | if (type == bgp_show_type_regexp) { | |
9120 | regex_t *regex = output_arg; | |
d62a17ae | 9121 | |
40381db7 | 9122 | if (bgp_regexec(regex, pi->attr->aspath) |
98ce9a06 DS |
9123 | == REG_NOMATCH) |
9124 | continue; | |
9125 | } | |
9126 | if (type == bgp_show_type_prefix_list) { | |
9127 | struct prefix_list *plist = output_arg; | |
d62a17ae | 9128 | |
98ce9a06 DS |
9129 | if (prefix_list_apply(plist, &rn->p) |
9130 | != PREFIX_PERMIT) | |
9131 | continue; | |
9132 | } | |
9133 | if (type == bgp_show_type_filter_list) { | |
9134 | struct as_list *as_list = output_arg; | |
d62a17ae | 9135 | |
40381db7 | 9136 | if (as_list_apply(as_list, pi->attr->aspath) |
98ce9a06 DS |
9137 | != AS_FILTER_PERMIT) |
9138 | continue; | |
9139 | } | |
9140 | if (type == bgp_show_type_route_map) { | |
9141 | struct route_map *rmap = output_arg; | |
9b6d8fcf | 9142 | struct bgp_path_info path; |
98ce9a06 | 9143 | struct attr dummy_attr; |
b68885f9 | 9144 | route_map_result_t ret; |
d62a17ae | 9145 | |
40381db7 | 9146 | bgp_attr_dup(&dummy_attr, pi->attr); |
d62a17ae | 9147 | |
40381db7 | 9148 | path.peer = pi->peer; |
9b6d8fcf | 9149 | path.attr = &dummy_attr; |
d62a17ae | 9150 | |
a4d82a8a | 9151 | ret = route_map_apply(rmap, &rn->p, RMAP_BGP, |
9b6d8fcf | 9152 | &path); |
98ce9a06 DS |
9153 | if (ret == RMAP_DENYMATCH) |
9154 | continue; | |
9155 | } | |
9156 | if (type == bgp_show_type_neighbor | |
9157 | || type == bgp_show_type_flap_neighbor | |
9158 | || type == bgp_show_type_damp_neighbor) { | |
9159 | union sockunion *su = output_arg; | |
9160 | ||
40381db7 DS |
9161 | if (pi->peer == NULL |
9162 | || pi->peer->su_remote == NULL | |
9163 | || !sockunion_same(pi->peer->su_remote, su)) | |
98ce9a06 DS |
9164 | continue; |
9165 | } | |
9166 | if (type == bgp_show_type_cidr_only) { | |
d7c0a89a | 9167 | uint32_t destination; |
d62a17ae | 9168 | |
98ce9a06 DS |
9169 | destination = ntohl(rn->p.u.prefix4.s_addr); |
9170 | if (IN_CLASSC(destination) | |
9171 | && rn->p.prefixlen == 24) | |
9172 | continue; | |
9173 | if (IN_CLASSB(destination) | |
9174 | && rn->p.prefixlen == 16) | |
9175 | continue; | |
9176 | if (IN_CLASSA(destination) | |
9177 | && rn->p.prefixlen == 8) | |
9178 | continue; | |
9179 | } | |
9180 | if (type == bgp_show_type_prefix_longer) { | |
f7813c7c | 9181 | p = output_arg; |
98ce9a06 DS |
9182 | if (!prefix_match(p, &rn->p)) |
9183 | continue; | |
9184 | } | |
9185 | if (type == bgp_show_type_community_all) { | |
40381db7 | 9186 | if (!pi->attr->community) |
98ce9a06 DS |
9187 | continue; |
9188 | } | |
9189 | if (type == bgp_show_type_community) { | |
9190 | struct community *com = output_arg; | |
d62a17ae | 9191 | |
40381db7 DS |
9192 | if (!pi->attr->community |
9193 | || !community_match(pi->attr->community, | |
98ce9a06 DS |
9194 | com)) |
9195 | continue; | |
9196 | } | |
9197 | if (type == bgp_show_type_community_exact) { | |
9198 | struct community *com = output_arg; | |
d62a17ae | 9199 | |
40381db7 DS |
9200 | if (!pi->attr->community |
9201 | || !community_cmp(pi->attr->community, com)) | |
98ce9a06 DS |
9202 | continue; |
9203 | } | |
9204 | if (type == bgp_show_type_community_list) { | |
9205 | struct community_list *list = output_arg; | |
d62a17ae | 9206 | |
40381db7 | 9207 | if (!community_list_match(pi->attr->community, |
a4d82a8a | 9208 | list)) |
98ce9a06 DS |
9209 | continue; |
9210 | } | |
a4d82a8a | 9211 | if (type == bgp_show_type_community_list_exact) { |
98ce9a06 | 9212 | struct community_list *list = output_arg; |
d62a17ae | 9213 | |
98ce9a06 | 9214 | if (!community_list_exact_match( |
40381db7 | 9215 | pi->attr->community, list)) |
98ce9a06 DS |
9216 | continue; |
9217 | } | |
9218 | if (type == bgp_show_type_lcommunity) { | |
9219 | struct lcommunity *lcom = output_arg; | |
d62a17ae | 9220 | |
40381db7 DS |
9221 | if (!pi->attr->lcommunity |
9222 | || !lcommunity_match(pi->attr->lcommunity, | |
98ce9a06 DS |
9223 | lcom)) |
9224 | continue; | |
9225 | } | |
36a206db | 9226 | |
9227 | if (type == bgp_show_type_lcommunity_exact) { | |
9228 | struct lcommunity *lcom = output_arg; | |
9229 | ||
9230 | if (!pi->attr->lcommunity | |
9231 | || !lcommunity_cmp(pi->attr->lcommunity, | |
9232 | lcom)) | |
9233 | continue; | |
9234 | } | |
98ce9a06 DS |
9235 | if (type == bgp_show_type_lcommunity_list) { |
9236 | struct community_list *list = output_arg; | |
d62a17ae | 9237 | |
40381db7 | 9238 | if (!lcommunity_list_match(pi->attr->lcommunity, |
a4d82a8a | 9239 | list)) |
98ce9a06 DS |
9240 | continue; |
9241 | } | |
36a206db | 9242 | if (type |
9243 | == bgp_show_type_lcommunity_list_exact) { | |
9244 | struct community_list *list = output_arg; | |
9245 | ||
9246 | if (!lcommunity_list_exact_match( | |
9247 | pi->attr->lcommunity, list)) | |
9248 | continue; | |
9249 | } | |
98ce9a06 | 9250 | if (type == bgp_show_type_lcommunity_all) { |
40381db7 | 9251 | if (!pi->attr->lcommunity) |
98ce9a06 DS |
9252 | continue; |
9253 | } | |
9254 | if (type == bgp_show_type_dampend_paths | |
9255 | || type == bgp_show_type_damp_neighbor) { | |
40381db7 DS |
9256 | if (!CHECK_FLAG(pi->flags, BGP_PATH_DAMPED) |
9257 | || CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) | |
98ce9a06 DS |
9258 | continue; |
9259 | } | |
9260 | ||
9261 | if (!use_json && header) { | |
996c9314 | 9262 | vty_out(vty, "BGP table version is %" PRIu64 |
9df8b37c | 9263 | ", local router ID is %s, vrf id ", |
98ce9a06 DS |
9264 | table->version, |
9265 | inet_ntoa(bgp->router_id)); | |
9df8b37c PZ |
9266 | if (bgp->vrf_id == VRF_UNKNOWN) |
9267 | vty_out(vty, "%s", VRFID_NONE_STR); | |
9268 | else | |
9269 | vty_out(vty, "%u", bgp->vrf_id); | |
9270 | vty_out(vty, "\n"); | |
01eced22 AD |
9271 | vty_out(vty, "Default local pref %u, ", |
9272 | bgp->default_local_pref); | |
9273 | vty_out(vty, "local AS %u\n", bgp->as); | |
98ce9a06 | 9274 | vty_out(vty, BGP_SHOW_SCODE_HEADER); |
9df8b37c | 9275 | vty_out(vty, BGP_SHOW_NCODE_HEADER); |
98ce9a06 | 9276 | vty_out(vty, BGP_SHOW_OCODE_HEADER); |
d62a17ae | 9277 | if (type == bgp_show_type_dampend_paths |
9278 | || type == bgp_show_type_damp_neighbor) | |
98ce9a06 | 9279 | vty_out(vty, BGP_SHOW_DAMP_HEADER); |
a4d82a8a PZ |
9280 | else if (type == bgp_show_type_flap_statistics |
9281 | || type == bgp_show_type_flap_neighbor) | |
98ce9a06 | 9282 | vty_out(vty, BGP_SHOW_FLAP_HEADER); |
d62a17ae | 9283 | else |
98ce9a06 DS |
9284 | vty_out(vty, BGP_SHOW_HEADER); |
9285 | header = 0; | |
d62a17ae | 9286 | } |
98ce9a06 DS |
9287 | if (rd != NULL && !display && !output_count) { |
9288 | if (!use_json) | |
9289 | vty_out(vty, | |
9290 | "Route Distinguisher: %s\n", | |
9291 | rd); | |
d62a17ae | 9292 | } |
98ce9a06 DS |
9293 | if (type == bgp_show_type_dampend_paths |
9294 | || type == bgp_show_type_damp_neighbor) | |
40381db7 | 9295 | damp_route_vty_out(vty, &rn->p, pi, display, |
a4d82a8a | 9296 | safi, use_json, json_paths); |
98ce9a06 DS |
9297 | else if (type == bgp_show_type_flap_statistics |
9298 | || type == bgp_show_type_flap_neighbor) | |
40381db7 | 9299 | flap_route_vty_out(vty, &rn->p, pi, display, |
a4d82a8a | 9300 | safi, use_json, json_paths); |
98ce9a06 | 9301 | else |
40381db7 | 9302 | route_vty_out(vty, &rn->p, pi, display, safi, |
a4d82a8a | 9303 | json_paths); |
98ce9a06 | 9304 | display++; |
d62a17ae | 9305 | } |
9306 | ||
98ce9a06 DS |
9307 | if (display) { |
9308 | output_count++; | |
9309 | if (!use_json) | |
9310 | continue; | |
9311 | ||
9312 | p = &rn->p; | |
625d2931 PG |
9313 | /* encode prefix */ |
9314 | if (p->family == AF_FLOWSPEC) { | |
9315 | char retstr[BGP_FLOWSPEC_STRING_DISPLAY_MAX]; | |
9316 | ||
9317 | bgp_fs_nlri_get_string((unsigned char *) | |
9318 | p->u.prefix_flowspec.ptr, | |
9319 | p->u.prefix_flowspec | |
9320 | .prefixlen, | |
9321 | retstr, | |
9322 | NLRI_STRING_FORMAT_MIN, | |
9323 | NULL); | |
9324 | if (first) | |
9325 | vty_out(vty, "\"%s/%d\": ", | |
9326 | retstr, | |
9327 | p->u.prefix_flowspec.prefixlen); | |
9328 | else | |
9329 | vty_out(vty, ",\"%s/%d\": ", | |
9330 | retstr, | |
9331 | p->u.prefix_flowspec.prefixlen); | |
9332 | } else { | |
9333 | prefix2str(p, buf2, sizeof(buf2)); | |
9334 | if (first) | |
9335 | vty_out(vty, "\"%s\": ", buf2); | |
9336 | else | |
9337 | vty_out(vty, ",\"%s\": ", buf2); | |
9338 | } | |
98ce9a06 | 9339 | vty_out(vty, "%s", |
23b2a7ef | 9340 | json_object_to_json_string(json_paths)); |
98ce9a06 | 9341 | json_object_free(json_paths); |
449feb8e | 9342 | json_paths = NULL; |
98ce9a06 DS |
9343 | first = 0; |
9344 | } | |
9345 | } | |
9346 | ||
1ae44dfc LB |
9347 | if (output_cum) { |
9348 | output_count += *output_cum; | |
9349 | *output_cum = output_count; | |
9350 | } | |
9351 | if (total_cum) { | |
9352 | total_count += *total_cum; | |
9353 | *total_cum = total_count; | |
9354 | } | |
d62a17ae | 9355 | if (use_json) { |
9386b588 | 9356 | if (rd) { |
a4d82a8a | 9357 | vty_out(vty, " }%s ", (is_last ? "" : ",")); |
9386b588 PZ |
9358 | } |
9359 | if (is_last) { | |
a4d82a8a PZ |
9360 | unsigned long i; |
9361 | for (i = 0; i < *json_header_depth; ++i) | |
9362 | vty_out(vty, " } "); | |
faf6559a | 9363 | vty_out(vty, "\n"); |
9386b588 | 9364 | } |
d62a17ae | 9365 | } else { |
1ae44dfc LB |
9366 | if (is_last) { |
9367 | /* No route is displayed */ | |
9368 | if (output_count == 0) { | |
9369 | if (type == bgp_show_type_normal) | |
9370 | vty_out(vty, | |
9371 | "No BGP prefixes displayed, %ld exist\n", | |
9372 | total_count); | |
9373 | } else | |
d62a17ae | 9374 | vty_out(vty, |
1ae44dfc LB |
9375 | "\nDisplayed %ld routes and %ld total paths\n", |
9376 | output_count, total_count); | |
9377 | } | |
d62a17ae | 9378 | } |
718e3744 | 9379 | |
d62a17ae | 9380 | return CMD_SUCCESS; |
718e3744 | 9381 | } |
9382 | ||
1ae44dfc LB |
9383 | int bgp_show_table_rd(struct vty *vty, struct bgp *bgp, safi_t safi, |
9384 | struct bgp_table *table, struct prefix_rd *prd_match, | |
9f049418 | 9385 | enum bgp_show_type type, void *output_arg, bool use_json) |
1ae44dfc LB |
9386 | { |
9387 | struct bgp_node *rn, *next; | |
9388 | unsigned long output_cum = 0; | |
9389 | unsigned long total_cum = 0; | |
9386b588 | 9390 | unsigned long json_header_depth = 0; |
67009e22 | 9391 | struct bgp_table *itable; |
0136788c LB |
9392 | bool show_msg; |
9393 | ||
9394 | show_msg = (!use_json && type == bgp_show_type_normal); | |
1ae44dfc LB |
9395 | |
9396 | for (rn = bgp_table_top(table); rn; rn = next) { | |
9397 | next = bgp_route_next(rn); | |
9398 | if (prd_match && memcmp(rn->p.u.val, prd_match->val, 8) != 0) | |
9399 | continue; | |
67009e22 DS |
9400 | |
9401 | itable = bgp_node_get_bgp_table_info(rn); | |
9402 | if (itable != NULL) { | |
1ae44dfc | 9403 | struct prefix_rd prd; |
06b9f471 | 9404 | char rd[RD_ADDRSTRLEN]; |
1ae44dfc LB |
9405 | |
9406 | memcpy(&prd, &(rn->p), sizeof(struct prefix_rd)); | |
06b9f471 | 9407 | prefix_rd2str(&prd, rd, sizeof(rd)); |
67009e22 DS |
9408 | bgp_show_table(vty, bgp, safi, itable, type, output_arg, |
9409 | use_json, rd, next == NULL, &output_cum, | |
9410 | &total_cum, &json_header_depth); | |
0136788c LB |
9411 | if (next == NULL) |
9412 | show_msg = false; | |
1ae44dfc LB |
9413 | } |
9414 | } | |
0136788c LB |
9415 | if (show_msg) { |
9416 | if (output_cum == 0) | |
9417 | vty_out(vty, "No BGP prefixes displayed, %ld exist\n", | |
9418 | total_cum); | |
9419 | else | |
9420 | vty_out(vty, | |
9421 | "\nDisplayed %ld routes and %ld total paths\n", | |
9422 | output_cum, total_cum); | |
9423 | } | |
1ae44dfc LB |
9424 | return CMD_SUCCESS; |
9425 | } | |
d62a17ae | 9426 | static int bgp_show(struct vty *vty, struct bgp *bgp, afi_t afi, safi_t safi, |
9f049418 | 9427 | enum bgp_show_type type, void *output_arg, bool use_json) |
fee0f4c6 | 9428 | { |
d62a17ae | 9429 | struct bgp_table *table; |
9386b588 | 9430 | unsigned long json_header_depth = 0; |
fee0f4c6 | 9431 | |
d62a17ae | 9432 | if (bgp == NULL) { |
9433 | bgp = bgp_get_default(); | |
9434 | } | |
fee0f4c6 | 9435 | |
d62a17ae | 9436 | if (bgp == NULL) { |
9437 | if (!use_json) | |
9438 | vty_out(vty, "No BGP process is configured\n"); | |
16307668 RW |
9439 | else |
9440 | vty_out(vty, "{}\n"); | |
d62a17ae | 9441 | return CMD_WARNING; |
9442 | } | |
4dd6177e | 9443 | |
1ae44dfc | 9444 | table = bgp->rib[afi][safi]; |
d62a17ae | 9445 | /* use MPLS and ENCAP specific shows until they are merged */ |
9446 | if (safi == SAFI_MPLS_VPN) { | |
1ae44dfc LB |
9447 | return bgp_show_table_rd(vty, bgp, safi, table, NULL, type, |
9448 | output_arg, use_json); | |
d62a17ae | 9449 | } |
dba3c1d3 PG |
9450 | |
9451 | if (safi == SAFI_FLOWSPEC && type == bgp_show_type_detail) { | |
9452 | return bgp_show_table_flowspec(vty, bgp, afi, table, type, | |
9453 | output_arg, use_json, | |
9454 | 1, NULL, NULL); | |
9455 | } | |
d62a17ae | 9456 | /* labeled-unicast routes live in the unicast table */ |
9457 | else if (safi == SAFI_LABELED_UNICAST) | |
9458 | safi = SAFI_UNICAST; | |
fee0f4c6 | 9459 | |
1ae44dfc | 9460 | return bgp_show_table(vty, bgp, safi, table, type, output_arg, use_json, |
9386b588 | 9461 | NULL, 1, NULL, NULL, &json_header_depth); |
fee0f4c6 | 9462 | } |
9463 | ||
d62a17ae | 9464 | static void bgp_show_all_instances_routes_vty(struct vty *vty, afi_t afi, |
9f049418 | 9465 | safi_t safi, bool use_json) |
f186de26 | 9466 | { |
d62a17ae | 9467 | struct listnode *node, *nnode; |
9468 | struct bgp *bgp; | |
9469 | int is_first = 1; | |
9f049418 | 9470 | bool route_output = false; |
f186de26 | 9471 | |
d62a17ae | 9472 | if (use_json) |
9473 | vty_out(vty, "{\n"); | |
9f689658 | 9474 | |
d62a17ae | 9475 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) { |
9f049418 | 9476 | route_output = true; |
d62a17ae | 9477 | if (use_json) { |
9478 | if (!is_first) | |
9479 | vty_out(vty, ",\n"); | |
9480 | else | |
9481 | is_first = 0; | |
9482 | ||
9483 | vty_out(vty, "\"%s\":", | |
9484 | (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
5742e42b | 9485 | ? VRF_DEFAULT_NAME |
d62a17ae | 9486 | : bgp->name); |
9487 | } else { | |
9488 | vty_out(vty, "\nInstance %s:\n", | |
9489 | (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
5742e42b | 9490 | ? VRF_DEFAULT_NAME |
d62a17ae | 9491 | : bgp->name); |
9492 | } | |
9493 | bgp_show(vty, bgp, afi, safi, bgp_show_type_normal, NULL, | |
9494 | use_json); | |
9495 | } | |
9f689658 | 9496 | |
d62a17ae | 9497 | if (use_json) |
9498 | vty_out(vty, "}\n"); | |
9f049418 DS |
9499 | else if (!route_output) |
9500 | vty_out(vty, "%% BGP instance not found\n"); | |
f186de26 | 9501 | } |
9502 | ||
718e3744 | 9503 | /* Header of detailed BGP route information */ |
d62a17ae | 9504 | void route_vty_out_detail_header(struct vty *vty, struct bgp *bgp, |
9505 | struct bgp_node *rn, struct prefix_rd *prd, | |
9506 | afi_t afi, safi_t safi, json_object *json) | |
9507 | { | |
40381db7 | 9508 | struct bgp_path_info *pi; |
d62a17ae | 9509 | struct prefix *p; |
9510 | struct peer *peer; | |
9511 | struct listnode *node, *nnode; | |
06b9f471 | 9512 | char buf1[RD_ADDRSTRLEN]; |
d62a17ae | 9513 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 9514 | char buf3[EVPN_ROUTE_STRLEN]; |
0291c246 | 9515 | char prefix_str[BUFSIZ]; |
d62a17ae | 9516 | int count = 0; |
9517 | int best = 0; | |
9518 | int suppress = 0; | |
c5f1e1b2 C |
9519 | int accept_own = 0; |
9520 | int route_filter_translated_v4 = 0; | |
9521 | int route_filter_v4 = 0; | |
9522 | int route_filter_translated_v6 = 0; | |
9523 | int route_filter_v6 = 0; | |
9524 | int llgr_stale = 0; | |
9525 | int no_llgr = 0; | |
9526 | int accept_own_nexthop = 0; | |
9527 | int blackhole = 0; | |
d62a17ae | 9528 | int no_export = 0; |
9529 | int no_advertise = 0; | |
9530 | int local_as = 0; | |
c5f1e1b2 | 9531 | int no_peer = 0; |
d62a17ae | 9532 | int first = 1; |
9533 | int has_valid_label = 0; | |
9534 | mpls_label_t label = 0; | |
9535 | json_object *json_adv_to = NULL; | |
9bedbb1e | 9536 | |
d62a17ae | 9537 | p = &rn->p; |
9538 | has_valid_label = bgp_is_valid_label(&rn->local_label); | |
9539 | ||
9540 | if (has_valid_label) | |
9541 | label = label_pton(&rn->local_label); | |
9542 | ||
44c69747 | 9543 | if (safi == SAFI_EVPN) { |
d62a17ae | 9544 | |
44c69747 | 9545 | if (!json) { |
d62a17ae | 9546 | vty_out(vty, "BGP routing table entry for %s%s%s\n", |
06b9f471 | 9547 | prd ? prefix_rd2str(prd, buf1, sizeof(buf1)) |
44c69747 | 9548 | : "", prd ? ":" : "", |
d62a17ae | 9549 | bgp_evpn_route2str((struct prefix_evpn *)p, |
44c69747 LK |
9550 | buf3, sizeof(buf3))); |
9551 | } else { | |
9552 | json_object_string_add(json, "rd", | |
9553 | prd ? prefix_rd2str(prd, buf1, sizeof(buf1)) : | |
9554 | ""); | |
9555 | bgp_evpn_route2json((struct prefix_evpn *)p, json); | |
9556 | } | |
9557 | } else { | |
9558 | if (!json) { | |
d62a17ae | 9559 | vty_out(vty, "BGP routing table entry for %s%s%s/%d\n", |
9560 | ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP) | |
44c69747 LK |
9561 | ? prefix_rd2str(prd, buf1, |
9562 | sizeof(buf1)) | |
9563 | : ""), | |
d62a17ae | 9564 | safi == SAFI_MPLS_VPN ? ":" : "", |
9565 | inet_ntop(p->family, &p->u.prefix, buf2, | |
44c69747 | 9566 | INET6_ADDRSTRLEN), |
d62a17ae | 9567 | p->prefixlen); |
cd1964ff | 9568 | |
44c69747 LK |
9569 | } else |
9570 | json_object_string_add(json, "prefix", | |
9571 | prefix2str(p, prefix_str, sizeof(prefix_str))); | |
9572 | } | |
9573 | ||
9574 | if (has_valid_label) { | |
9575 | if (json) | |
9576 | json_object_int_add(json, "localLabel", label); | |
9577 | else | |
d62a17ae | 9578 | vty_out(vty, "Local label: %d\n", label); |
44c69747 LK |
9579 | } |
9580 | ||
9581 | if (!json) | |
d62a17ae | 9582 | if (bgp_labeled_safi(safi) && safi != SAFI_EVPN) |
d62a17ae | 9583 | vty_out(vty, "not allocated\n"); |
718e3744 | 9584 | |
6f94b685 | 9585 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
d62a17ae | 9586 | count++; |
40381db7 | 9587 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 9588 | best = count; |
40381db7 | 9589 | if (pi->extra && pi->extra->suppress) |
d62a17ae | 9590 | suppress = 1; |
cee9c031 | 9591 | |
40381db7 | 9592 | if (pi->attr->community == NULL) |
cee9c031 QY |
9593 | continue; |
9594 | ||
9595 | no_advertise += community_include( | |
40381db7 DS |
9596 | pi->attr->community, COMMUNITY_NO_ADVERTISE); |
9597 | no_export += community_include(pi->attr->community, | |
cee9c031 | 9598 | COMMUNITY_NO_EXPORT); |
40381db7 | 9599 | local_as += community_include(pi->attr->community, |
cee9c031 | 9600 | COMMUNITY_LOCAL_AS); |
40381db7 | 9601 | accept_own += community_include(pi->attr->community, |
cee9c031 QY |
9602 | COMMUNITY_ACCEPT_OWN); |
9603 | route_filter_translated_v4 += community_include( | |
40381db7 | 9604 | pi->attr->community, |
cee9c031 QY |
9605 | COMMUNITY_ROUTE_FILTER_TRANSLATED_v4); |
9606 | route_filter_translated_v6 += community_include( | |
40381db7 | 9607 | pi->attr->community, |
cee9c031 QY |
9608 | COMMUNITY_ROUTE_FILTER_TRANSLATED_v6); |
9609 | route_filter_v4 += community_include( | |
40381db7 | 9610 | pi->attr->community, COMMUNITY_ROUTE_FILTER_v4); |
cee9c031 | 9611 | route_filter_v6 += community_include( |
40381db7 DS |
9612 | pi->attr->community, COMMUNITY_ROUTE_FILTER_v6); |
9613 | llgr_stale += community_include(pi->attr->community, | |
cee9c031 | 9614 | COMMUNITY_LLGR_STALE); |
40381db7 | 9615 | no_llgr += community_include(pi->attr->community, |
cee9c031 QY |
9616 | COMMUNITY_NO_LLGR); |
9617 | accept_own_nexthop += | |
40381db7 | 9618 | community_include(pi->attr->community, |
cee9c031 | 9619 | COMMUNITY_ACCEPT_OWN_NEXTHOP); |
40381db7 | 9620 | blackhole += community_include(pi->attr->community, |
cee9c031 | 9621 | COMMUNITY_BLACKHOLE); |
40381db7 | 9622 | no_peer += community_include(pi->attr->community, |
cee9c031 | 9623 | COMMUNITY_NO_PEER); |
d62a17ae | 9624 | } |
718e3744 | 9625 | } |
718e3744 | 9626 | |
d62a17ae | 9627 | if (!json) { |
9628 | vty_out(vty, "Paths: (%d available", count); | |
9629 | if (best) { | |
9630 | vty_out(vty, ", best #%d", best); | |
b84060bb PG |
9631 | if (safi == SAFI_UNICAST) { |
9632 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
9633 | vty_out(vty, ", table %s", | |
9634 | VRF_DEFAULT_NAME); | |
9635 | else | |
9636 | vty_out(vty, ", vrf %s", | |
9637 | bgp->name); | |
9638 | } | |
d62a17ae | 9639 | } else |
9640 | vty_out(vty, ", no best path"); | |
9641 | ||
c5f1e1b2 C |
9642 | if (accept_own) |
9643 | vty_out(vty, | |
9644 | ", accept own local route exported and imported in different VRF"); | |
9645 | else if (route_filter_translated_v4) | |
9646 | vty_out(vty, | |
9647 | ", mark translated RTs for VPNv4 route filtering"); | |
9648 | else if (route_filter_v4) | |
9649 | vty_out(vty, | |
9650 | ", attach RT as-is for VPNv4 route filtering"); | |
9651 | else if (route_filter_translated_v6) | |
9652 | vty_out(vty, | |
9653 | ", mark translated RTs for VPNv6 route filtering"); | |
9654 | else if (route_filter_v6) | |
9655 | vty_out(vty, | |
9656 | ", attach RT as-is for VPNv6 route filtering"); | |
9657 | else if (llgr_stale) | |
9658 | vty_out(vty, | |
9659 | ", mark routes to be retained for a longer time. Requeres support for Long-lived BGP Graceful Restart"); | |
9660 | else if (no_llgr) | |
9661 | vty_out(vty, | |
9662 | ", mark routes to not be treated according to Long-lived BGP Graceful Restart operations"); | |
9663 | else if (accept_own_nexthop) | |
9664 | vty_out(vty, | |
9665 | ", accept local nexthop"); | |
9666 | else if (blackhole) | |
9667 | vty_out(vty, ", inform peer to blackhole prefix"); | |
d62a17ae | 9668 | else if (no_export) |
9669 | vty_out(vty, ", not advertised to EBGP peer"); | |
c5f1e1b2 C |
9670 | else if (no_advertise) |
9671 | vty_out(vty, ", not advertised to any peer"); | |
d62a17ae | 9672 | else if (local_as) |
9673 | vty_out(vty, ", not advertised outside local AS"); | |
c5f1e1b2 C |
9674 | else if (no_peer) |
9675 | vty_out(vty, | |
9676 | ", inform EBGP peer not to advertise to their EBGP peers"); | |
d62a17ae | 9677 | |
9678 | if (suppress) | |
9679 | vty_out(vty, | |
9680 | ", Advertisements suppressed by an aggregate."); | |
9681 | vty_out(vty, ")\n"); | |
9682 | } | |
718e3744 | 9683 | |
d62a17ae | 9684 | /* If we are not using addpath then we can display Advertised to and |
9685 | * that will | |
9686 | * show what peers we advertised the bestpath to. If we are using | |
9687 | * addpath | |
9688 | * though then we must display Advertised to on a path-by-path basis. */ | |
dcc68b5e | 9689 | if (!bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { |
d62a17ae | 9690 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { |
9691 | if (bgp_adj_out_lookup(peer, rn, 0)) { | |
9692 | if (json && !json_adv_to) | |
9693 | json_adv_to = json_object_new_object(); | |
9694 | ||
9695 | route_vty_out_advertised_to( | |
9696 | vty, peer, &first, | |
9697 | " Advertised to non peer-group peers:\n ", | |
9698 | json_adv_to); | |
9699 | } | |
9700 | } | |
9701 | ||
9702 | if (json) { | |
9703 | if (json_adv_to) { | |
9704 | json_object_object_add(json, "advertisedTo", | |
9705 | json_adv_to); | |
9706 | } | |
9707 | } else { | |
9708 | if (first) | |
9709 | vty_out(vty, " Not advertised to any peer"); | |
9710 | vty_out(vty, "\n"); | |
9711 | } | |
9712 | } | |
718e3744 | 9713 | } |
9714 | ||
44c69747 LK |
9715 | static void bgp_show_path_info(struct prefix_rd *pfx_rd, |
9716 | struct bgp_node *bgp_node, struct vty *vty, | |
9717 | struct bgp *bgp, afi_t afi, | |
9718 | safi_t safi, json_object *json, | |
9719 | enum bgp_path_type pathtype, int *display) | |
9720 | { | |
9721 | struct bgp_path_info *pi; | |
9722 | int header = 1; | |
9723 | char rdbuf[RD_ADDRSTRLEN]; | |
9724 | json_object *json_header = NULL; | |
9725 | json_object *json_paths = NULL; | |
9726 | ||
9727 | for (pi = bgp_node_get_bgp_path_info(bgp_node); pi; | |
9728 | pi = pi->next) { | |
9729 | ||
9730 | if (json && !json_paths) { | |
9731 | /* Instantiate json_paths only if path is valid */ | |
9732 | json_paths = json_object_new_array(); | |
9733 | if (pfx_rd) { | |
9734 | prefix_rd2str(pfx_rd, rdbuf, sizeof(rdbuf)); | |
9735 | json_header = json_object_new_object(); | |
9736 | } else | |
9737 | json_header = json; | |
9738 | } | |
9739 | ||
9740 | if (header) { | |
9741 | route_vty_out_detail_header( | |
9742 | vty, bgp, bgp_node, pfx_rd, | |
9743 | AFI_IP, safi, json_header); | |
9744 | header = 0; | |
9745 | } | |
9746 | (*display)++; | |
9747 | ||
9748 | if (pathtype == BGP_PATH_SHOW_ALL | |
9749 | || (pathtype == BGP_PATH_SHOW_BESTPATH | |
9750 | && CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) | |
9751 | || (pathtype == BGP_PATH_SHOW_MULTIPATH | |
9752 | && (CHECK_FLAG(pi->flags, BGP_PATH_MULTIPATH) | |
9753 | || CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)))) | |
9754 | route_vty_out_detail(vty, bgp, bgp_node, | |
9755 | pi, AFI_IP, safi, | |
9756 | json_paths); | |
9757 | } | |
9758 | ||
9759 | if (json && json_paths) { | |
9760 | json_object_object_add(json_header, "paths", json_paths); | |
9761 | ||
9762 | if (pfx_rd) | |
9763 | json_object_object_add(json, rdbuf, json_header); | |
9764 | } | |
9765 | } | |
9766 | ||
718e3744 | 9767 | /* Display specified route of BGP table. */ |
d62a17ae | 9768 | static int bgp_show_route_in_table(struct vty *vty, struct bgp *bgp, |
9769 | struct bgp_table *rib, const char *ip_str, | |
9770 | afi_t afi, safi_t safi, | |
9771 | struct prefix_rd *prd, int prefix_check, | |
9f049418 | 9772 | enum bgp_path_type pathtype, bool use_json) |
d62a17ae | 9773 | { |
9774 | int ret; | |
d62a17ae | 9775 | int display = 0; |
9776 | struct prefix match; | |
9777 | struct bgp_node *rn; | |
9778 | struct bgp_node *rm; | |
d62a17ae | 9779 | struct bgp_table *table; |
9780 | json_object *json = NULL; | |
9781 | json_object *json_paths = NULL; | |
9782 | ||
9783 | /* Check IP address argument. */ | |
9784 | ret = str2prefix(ip_str, &match); | |
9785 | if (!ret) { | |
9786 | vty_out(vty, "address is malformed\n"); | |
9787 | return CMD_WARNING; | |
9788 | } | |
718e3744 | 9789 | |
d62a17ae | 9790 | match.family = afi2family(afi); |
b05a1c8b | 9791 | |
44c69747 | 9792 | if (use_json) |
d62a17ae | 9793 | json = json_object_new_object(); |
718e3744 | 9794 | |
44c69747 | 9795 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP) { |
d62a17ae | 9796 | for (rn = bgp_table_top(rib); rn; rn = bgp_route_next(rn)) { |
9797 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
9798 | continue; | |
67009e22 DS |
9799 | table = bgp_node_get_bgp_table_info(rn); |
9800 | if (!table) | |
ea47320b | 9801 | continue; |
d62a17ae | 9802 | |
ea47320b DL |
9803 | if ((rm = bgp_node_match(table, &match)) == NULL) |
9804 | continue; | |
d62a17ae | 9805 | |
ea47320b DL |
9806 | if (prefix_check |
9807 | && rm->p.prefixlen != match.prefixlen) { | |
9808 | bgp_unlock_node(rm); | |
9809 | continue; | |
9810 | } | |
d62a17ae | 9811 | |
44c69747 LK |
9812 | bgp_show_path_info((struct prefix_rd *)&rn->p, rm, |
9813 | vty, bgp, afi, safi, json, | |
9814 | pathtype, &display); | |
9815 | ||
9816 | bgp_unlock_node(rm); | |
9817 | } | |
9818 | } else if (safi == SAFI_EVPN) { | |
9819 | struct bgp_node *longest_pfx; | |
9820 | bool is_exact_pfxlen_match = FALSE; | |
9821 | ||
9822 | for (rn = bgp_table_top(rib); rn; rn = bgp_route_next(rn)) { | |
9823 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
9824 | continue; | |
9825 | table = bgp_node_get_bgp_table_info(rn); | |
9826 | if (!table) | |
9827 | continue; | |
9828 | ||
9829 | longest_pfx = NULL; | |
9830 | is_exact_pfxlen_match = FALSE; | |
9831 | /* | |
9832 | * Search through all the prefixes for a match. The | |
9833 | * pfx's are enumerated in ascending order of pfxlens. | |
9834 | * So, the last pfx match is the longest match. Set | |
9835 | * is_exact_pfxlen_match when we get exact pfxlen match | |
9836 | */ | |
9837 | for (rm = bgp_table_top(table); rm; | |
9838 | rm = bgp_route_next(rm)) { | |
9839 | /* | |
9840 | * Get prefixlen of the ip-prefix within type5 | |
9841 | * evpn route | |
9842 | */ | |
9843 | if (evpn_type5_prefix_match(&rm->p, | |
9844 | &match) && rm->info) { | |
9845 | longest_pfx = rm; | |
9846 | int type5_pfxlen = | |
9847 | bgp_evpn_get_type5_prefixlen(&rm->p); | |
9848 | if (type5_pfxlen == match.prefixlen) { | |
9849 | is_exact_pfxlen_match = TRUE; | |
9850 | bgp_unlock_node(rm); | |
9851 | break; | |
9852 | } | |
d62a17ae | 9853 | } |
9854 | } | |
ea47320b | 9855 | |
44c69747 LK |
9856 | if (!longest_pfx) |
9857 | continue; | |
9858 | ||
9859 | if (prefix_check && !is_exact_pfxlen_match) | |
9860 | continue; | |
9861 | ||
9862 | rm = longest_pfx; | |
9863 | bgp_lock_node(rm); | |
9864 | ||
9865 | bgp_show_path_info((struct prefix_rd *)&rn->p, rm, | |
9866 | vty, bgp, afi, safi, json, | |
9867 | pathtype, &display); | |
9868 | ||
ea47320b | 9869 | bgp_unlock_node(rm); |
d62a17ae | 9870 | } |
98a9dbc7 | 9871 | } else if (safi == SAFI_FLOWSPEC) { |
44c69747 LK |
9872 | if (use_json) |
9873 | json_paths = json_object_new_array(); | |
9874 | ||
63a0b7a9 PG |
9875 | display = bgp_flowspec_display_match_per_ip(afi, rib, |
9876 | &match, prefix_check, | |
9877 | vty, | |
9878 | use_json, | |
9879 | json_paths); | |
44c69747 LK |
9880 | if (use_json && display) |
9881 | json_object_object_add(json, "paths", json_paths); | |
d62a17ae | 9882 | } else { |
d62a17ae | 9883 | if ((rn = bgp_node_match(rib, &match)) != NULL) { |
9884 | if (!prefix_check | |
9885 | || rn->p.prefixlen == match.prefixlen) { | |
44c69747 LK |
9886 | bgp_show_path_info(NULL, rn, vty, bgp, afi, |
9887 | safi, json, | |
9888 | pathtype, &display); | |
d62a17ae | 9889 | } |
9890 | ||
9891 | bgp_unlock_node(rn); | |
9892 | } | |
9893 | } | |
e5eee9af | 9894 | |
d62a17ae | 9895 | if (use_json) { |
996c9314 | 9896 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
44c69747 LK |
9897 | json, JSON_C_TO_STRING_PRETTY | |
9898 | JSON_C_TO_STRING_NOSLASHESCAPE)); | |
d62a17ae | 9899 | json_object_free(json); |
9900 | } else { | |
9901 | if (!display) { | |
9902 | vty_out(vty, "%% Network not in table\n"); | |
9903 | return CMD_WARNING; | |
9904 | } | |
9905 | } | |
b05a1c8b | 9906 | |
d62a17ae | 9907 | return CMD_SUCCESS; |
718e3744 | 9908 | } |
9909 | ||
fee0f4c6 | 9910 | /* Display specified route of Main RIB */ |
d62a17ae | 9911 | static int bgp_show_route(struct vty *vty, struct bgp *bgp, const char *ip_str, |
9912 | afi_t afi, safi_t safi, struct prefix_rd *prd, | |
9913 | int prefix_check, enum bgp_path_type pathtype, | |
9f049418 | 9914 | bool use_json) |
d62a17ae | 9915 | { |
9b86009a | 9916 | if (!bgp) { |
d62a17ae | 9917 | bgp = bgp_get_default(); |
9b86009a RW |
9918 | if (!bgp) { |
9919 | if (!use_json) | |
9920 | vty_out(vty, "No BGP process is configured\n"); | |
16307668 RW |
9921 | else |
9922 | vty_out(vty, "{}\n"); | |
9b86009a RW |
9923 | return CMD_WARNING; |
9924 | } | |
9925 | } | |
d62a17ae | 9926 | |
9927 | /* labeled-unicast routes live in the unicast table */ | |
9928 | if (safi == SAFI_LABELED_UNICAST) | |
9929 | safi = SAFI_UNICAST; | |
9930 | ||
9931 | return bgp_show_route_in_table(vty, bgp, bgp->rib[afi][safi], ip_str, | |
9932 | afi, safi, prd, prefix_check, pathtype, | |
9933 | use_json); | |
9934 | } | |
9935 | ||
9936 | static int bgp_show_lcommunity(struct vty *vty, struct bgp *bgp, int argc, | |
36a206db | 9937 | struct cmd_token **argv, bool exact, afi_t afi, |
9938 | safi_t safi, bool uj) | |
d62a17ae | 9939 | { |
9940 | struct lcommunity *lcom; | |
9941 | struct buffer *b; | |
9942 | int i; | |
9943 | char *str; | |
9944 | int first = 0; | |
9945 | ||
9946 | b = buffer_new(1024); | |
9947 | for (i = 0; i < argc; i++) { | |
9948 | if (first) | |
9949 | buffer_putc(b, ' '); | |
9950 | else { | |
9951 | if (strmatch(argv[i]->text, "AA:BB:CC")) { | |
9952 | first = 1; | |
9953 | buffer_putstr(b, argv[i]->arg); | |
9954 | } | |
9955 | } | |
9956 | } | |
9957 | buffer_putc(b, '\0'); | |
57d187bc | 9958 | |
d62a17ae | 9959 | str = buffer_getstr(b); |
9960 | buffer_free(b); | |
57d187bc | 9961 | |
d62a17ae | 9962 | lcom = lcommunity_str2com(str); |
9963 | XFREE(MTYPE_TMP, str); | |
9964 | if (!lcom) { | |
9965 | vty_out(vty, "%% Large-community malformed\n"); | |
9966 | return CMD_WARNING; | |
9967 | } | |
57d187bc | 9968 | |
36a206db | 9969 | return bgp_show(vty, bgp, afi, safi, |
9970 | (exact ? bgp_show_type_lcommunity_exact | |
9971 | : bgp_show_type_lcommunity), | |
9972 | lcom, uj); | |
57d187bc JS |
9973 | } |
9974 | ||
d62a17ae | 9975 | static int bgp_show_lcommunity_list(struct vty *vty, struct bgp *bgp, |
36a206db | 9976 | const char *lcom, bool exact, afi_t afi, |
9977 | safi_t safi, bool uj) | |
57d187bc | 9978 | { |
d62a17ae | 9979 | struct community_list *list; |
57d187bc | 9980 | |
e237b0d2 | 9981 | list = community_list_lookup(bgp_clist, lcom, 0, |
d62a17ae | 9982 | LARGE_COMMUNITY_LIST_MASTER); |
9983 | if (list == NULL) { | |
9984 | vty_out(vty, "%% %s is not a valid large-community-list name\n", | |
9985 | lcom); | |
9986 | return CMD_WARNING; | |
9987 | } | |
57d187bc | 9988 | |
36a206db | 9989 | return bgp_show(vty, bgp, afi, safi, |
9990 | (exact ? bgp_show_type_lcommunity_list_exact | |
9991 | : bgp_show_type_lcommunity_list), | |
d62a17ae | 9992 | list, uj); |
fee0f4c6 | 9993 | } |
9994 | ||
52951b63 DS |
9995 | DEFUN (show_ip_bgp_large_community_list, |
9996 | show_ip_bgp_large_community_list_cmd, | |
36a206db | 9997 | "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 |
9998 | SHOW_STR |
9999 | IP_STR | |
10000 | BGP_STR | |
10001 | BGP_INSTANCE_HELP_STR | |
9bedbb1e | 10002 | BGP_AFI_HELP_STR |
4dd6177e | 10003 | BGP_SAFI_WITH_LABEL_HELP_STR |
52951b63 DS |
10004 | "Display routes matching the large-community-list\n" |
10005 | "large-community-list number\n" | |
10006 | "large-community-list name\n" | |
36a206db | 10007 | "Exact match of the large-communities\n" |
52951b63 DS |
10008 | JSON_STR) |
10009 | { | |
d62a17ae | 10010 | char *vrf = NULL; |
10011 | afi_t afi = AFI_IP6; | |
10012 | safi_t safi = SAFI_UNICAST; | |
10013 | int idx = 0; | |
36a206db | 10014 | bool exact_match = 0; |
d62a17ae | 10015 | |
10016 | if (argv_find(argv, argc, "ip", &idx)) | |
10017 | afi = AFI_IP; | |
10018 | if (argv_find(argv, argc, "view", &idx) | |
10019 | || argv_find(argv, argc, "vrf", &idx)) | |
10020 | vrf = argv[++idx]->arg; | |
10021 | if (argv_find(argv, argc, "ipv4", &idx) | |
10022 | || argv_find(argv, argc, "ipv6", &idx)) { | |
10023 | afi = strmatch(argv[idx]->text, "ipv6") ? AFI_IP6 : AFI_IP; | |
10024 | if (argv_find(argv, argc, "unicast", &idx) | |
10025 | || argv_find(argv, argc, "multicast", &idx)) | |
10026 | safi = bgp_vty_safi_from_str(argv[idx]->text); | |
10027 | } | |
10028 | ||
9f049418 | 10029 | bool uj = use_json(argc, argv); |
d62a17ae | 10030 | |
10031 | struct bgp *bgp = bgp_lookup_by_name(vrf); | |
10032 | if (bgp == NULL) { | |
10033 | vty_out(vty, "Can't find BGP instance %s\n", vrf); | |
10034 | return CMD_WARNING; | |
10035 | } | |
10036 | ||
10037 | argv_find(argv, argc, "large-community-list", &idx); | |
36a206db | 10038 | |
10039 | const char *clist_number_or_name = argv[++idx]->arg; | |
10040 | ||
10041 | if (++idx < argc && strmatch(argv[idx]->text, "exact-match")) | |
10042 | exact_match = 1; | |
10043 | ||
10044 | return bgp_show_lcommunity_list(vty, bgp, clist_number_or_name, | |
10045 | exact_match, afi, safi, uj); | |
52951b63 DS |
10046 | } |
10047 | DEFUN (show_ip_bgp_large_community, | |
10048 | show_ip_bgp_large_community_cmd, | |
36a206db | 10049 | "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 |
10050 | SHOW_STR |
10051 | IP_STR | |
10052 | BGP_STR | |
10053 | BGP_INSTANCE_HELP_STR | |
9bedbb1e | 10054 | BGP_AFI_HELP_STR |
4dd6177e | 10055 | BGP_SAFI_WITH_LABEL_HELP_STR |
52951b63 DS |
10056 | "Display routes matching the large-communities\n" |
10057 | "List of large-community numbers\n" | |
36a206db | 10058 | "Exact match of the large-communities\n" |
52951b63 DS |
10059 | JSON_STR) |
10060 | { | |
d62a17ae | 10061 | char *vrf = NULL; |
10062 | afi_t afi = AFI_IP6; | |
10063 | safi_t safi = SAFI_UNICAST; | |
10064 | int idx = 0; | |
36a206db | 10065 | bool exact_match = 0; |
d62a17ae | 10066 | |
10067 | if (argv_find(argv, argc, "ip", &idx)) | |
10068 | afi = AFI_IP; | |
10069 | if (argv_find(argv, argc, "view", &idx) | |
10070 | || argv_find(argv, argc, "vrf", &idx)) | |
10071 | vrf = argv[++idx]->arg; | |
10072 | if (argv_find(argv, argc, "ipv4", &idx) | |
10073 | || argv_find(argv, argc, "ipv6", &idx)) { | |
10074 | afi = strmatch(argv[idx]->text, "ipv6") ? AFI_IP6 : AFI_IP; | |
10075 | if (argv_find(argv, argc, "unicast", &idx) | |
10076 | || argv_find(argv, argc, "multicast", &idx)) | |
10077 | safi = bgp_vty_safi_from_str(argv[idx]->text); | |
10078 | } | |
10079 | ||
9f049418 | 10080 | bool uj = use_json(argc, argv); |
d62a17ae | 10081 | |
10082 | struct bgp *bgp = bgp_lookup_by_name(vrf); | |
10083 | if (bgp == NULL) { | |
10084 | vty_out(vty, "Can't find BGP instance %s\n", vrf); | |
10085 | return CMD_WARNING; | |
10086 | } | |
10087 | ||
36a206db | 10088 | if (argv_find(argv, argc, "AA:BB:CC", &idx)) { |
10089 | if (argv_find(argv, argc, "exact-match", &idx)) | |
10090 | exact_match = 1; | |
10091 | return bgp_show_lcommunity(vty, bgp, argc, argv, | |
10092 | exact_match, afi, safi, uj); | |
10093 | } else | |
d62a17ae | 10094 | return bgp_show(vty, bgp, afi, safi, |
10095 | bgp_show_type_lcommunity_all, NULL, uj); | |
52951b63 DS |
10096 | } |
10097 | ||
d62a17ae | 10098 | static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi, |
10099 | safi_t safi); | |
e01ca200 | 10100 | |
7b2ff250 DW |
10101 | |
10102 | /* BGP route print out function without JSON */ | |
af462945 DS |
10103 | DEFUN (show_ip_bgp, |
10104 | show_ip_bgp_cmd, | |
4dd6177e | 10105 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]\ |
7b2ff250 DW |
10106 | <dampening <parameters>\ |
10107 | |route-map WORD\ | |
10108 | |prefix-list WORD\ | |
10109 | |filter-list WORD\ | |
10110 | |statistics\ | |
7b2ff250 DW |
10111 | |community-list <(1-500)|WORD> [exact-match]\ |
10112 | |A.B.C.D/M longer-prefixes\ | |
10113 | |X:X::X:X/M longer-prefixes\ | |
10114 | >", | |
718e3744 | 10115 | SHOW_STR |
10116 | IP_STR | |
10117 | BGP_STR | |
a636c635 | 10118 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10119 | BGP_AFI_HELP_STR |
4dd6177e | 10120 | BGP_SAFI_WITH_LABEL_HELP_STR |
a636c635 | 10121 | "Display detailed information about dampening\n" |
af462945 | 10122 | "Display detail of configured dampening parameters\n" |
a636c635 DW |
10123 | "Display routes matching the route-map\n" |
10124 | "A route-map to match on\n" | |
10125 | "Display routes conforming to the prefix-list\n" | |
8c3deaae | 10126 | "Prefix-list name\n" |
a636c635 DW |
10127 | "Display routes conforming to the filter-list\n" |
10128 | "Regular expression access list name\n" | |
e01ca200 | 10129 | "BGP RIB advertisement statistics\n" |
a636c635 DW |
10130 | "Display routes matching the community-list\n" |
10131 | "community-list number\n" | |
10132 | "community-list name\n" | |
10133 | "Exact match of the communities\n" | |
0c7b1b01 | 10134 | "IPv4 prefix\n" |
8c3deaae | 10135 | "Display route and more specific routes\n" |
0c7b1b01 | 10136 | "IPv6 prefix\n" |
7b2ff250 | 10137 | "Display route and more specific routes\n") |
718e3744 | 10138 | { |
d62a17ae | 10139 | afi_t afi = AFI_IP6; |
10140 | safi_t safi = SAFI_UNICAST; | |
10141 | int exact_match = 0; | |
d62a17ae | 10142 | struct bgp *bgp = NULL; |
10143 | int idx = 0; | |
10144 | ||
10145 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10146 | &bgp, false); |
d62a17ae | 10147 | if (!idx) |
10148 | return CMD_WARNING; | |
10149 | ||
d62a17ae | 10150 | if (argv_find(argv, argc, "dampening", &idx)) { |
7b2ff250 | 10151 | if (argv_find(argv, argc, "parameters", &idx)) |
d62a17ae | 10152 | return bgp_show_dampening_parameters(vty, afi, safi); |
10153 | } | |
c016b6c7 | 10154 | |
d62a17ae | 10155 | if (argv_find(argv, argc, "prefix-list", &idx)) |
10156 | return bgp_show_prefix_list(vty, bgp, argv[idx + 1]->arg, afi, | |
10157 | safi, bgp_show_type_prefix_list); | |
10158 | ||
10159 | if (argv_find(argv, argc, "filter-list", &idx)) | |
10160 | return bgp_show_filter_list(vty, bgp, argv[idx + 1]->arg, afi, | |
10161 | safi, bgp_show_type_filter_list); | |
10162 | ||
10163 | if (argv_find(argv, argc, "statistics", &idx)) | |
10164 | return bgp_table_stats(vty, bgp, afi, safi); | |
10165 | ||
10166 | if (argv_find(argv, argc, "route-map", &idx)) | |
10167 | return bgp_show_route_map(vty, bgp, argv[idx + 1]->arg, afi, | |
10168 | safi, bgp_show_type_route_map); | |
10169 | ||
d62a17ae | 10170 | if (argv_find(argv, argc, "community-list", &idx)) { |
10171 | const char *clist_number_or_name = argv[++idx]->arg; | |
10172 | if (++idx < argc && strmatch(argv[idx]->text, "exact-match")) | |
10173 | exact_match = 1; | |
10174 | return bgp_show_community_list(vty, bgp, clist_number_or_name, | |
10175 | exact_match, afi, safi); | |
10176 | } | |
10177 | /* prefix-longer */ | |
10178 | if (argv_find(argv, argc, "A.B.C.D/M", &idx) | |
10179 | || argv_find(argv, argc, "X:X::X:X/M", &idx)) | |
10180 | return bgp_show_prefix_longer(vty, bgp, argv[idx]->arg, afi, | |
10181 | safi, | |
10182 | bgp_show_type_prefix_longer); | |
10183 | ||
7b2ff250 DW |
10184 | return CMD_WARNING; |
10185 | } | |
10186 | ||
10187 | /* BGP route print out function with JSON */ | |
10188 | DEFUN (show_ip_bgp_json, | |
10189 | show_ip_bgp_json_cmd, | |
10190 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]\ | |
cf4898bc QY |
10191 | [cidr-only\ |
10192 | |dampening <flap-statistics|dampened-paths>\ | |
10193 | |community [AA:NN|local-AS|no-advertise|no-export\ | |
10194 | |graceful-shutdown|no-peer|blackhole|llgr-stale|no-llgr\ | |
10195 | |accept-own|accept-own-nexthop|route-filter-v6\ | |
10196 | |route-filter-v4|route-filter-translated-v6\ | |
10197 | |route-filter-translated-v4] [exact-match]\ | |
10198 | ] [json]", | |
7b2ff250 DW |
10199 | SHOW_STR |
10200 | IP_STR | |
10201 | BGP_STR | |
10202 | BGP_INSTANCE_HELP_STR | |
10203 | BGP_AFI_HELP_STR | |
10204 | BGP_SAFI_WITH_LABEL_HELP_STR | |
10205 | "Display only routes with non-natural netmasks\n" | |
10206 | "Display detailed information about dampening\n" | |
10207 | "Display flap statistics of routes\n" | |
10208 | "Display paths suppressed due to dampening\n" | |
10209 | "Display routes matching the communities\n" | |
d0086e8e AD |
10210 | COMMUNITY_AANN_STR |
10211 | "Do not send outside local AS (well-known community)\n" | |
10212 | "Do not advertise to any peer (well-known community)\n" | |
10213 | "Do not export to next AS (well-known community)\n" | |
10214 | "Graceful shutdown (well-known community)\n" | |
cf4898bc QY |
10215 | "Do not export to any peer (well-known community)\n" |
10216 | "Inform EBGP peers to blackhole traffic to prefix (well-known community)\n" | |
10217 | "Staled Long-lived Graceful Restart VPN route (well-known community)\n" | |
10218 | "Removed because Long-lived Graceful Restart was not enabled for VPN route (well-known community)\n" | |
10219 | "Should accept local VPN route if exported and imported into different VRF (well-known community)\n" | |
10220 | "Should accept VPN route with local nexthop (well-known community)\n" | |
10221 | "RT VPNv6 route filtering (well-known community)\n" | |
10222 | "RT VPNv4 route filtering (well-known community)\n" | |
10223 | "RT translated VPNv6 route filtering (well-known community)\n" | |
10224 | "RT translated VPNv4 route filtering (well-known community)\n" | |
d0086e8e | 10225 | "Exact match of the communities\n" |
7b2ff250 DW |
10226 | JSON_STR) |
10227 | { | |
10228 | afi_t afi = AFI_IP6; | |
10229 | safi_t safi = SAFI_UNICAST; | |
10230 | enum bgp_show_type sh_type = bgp_show_type_normal; | |
10231 | struct bgp *bgp = NULL; | |
10232 | int idx = 0; | |
d0086e8e | 10233 | int exact_match = 0; |
9f049418 DS |
10234 | bool uj = use_json(argc, argv); |
10235 | ||
10236 | if (uj) | |
10237 | argc--; | |
7b2ff250 DW |
10238 | |
10239 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10240 | &bgp, uj); |
7b2ff250 DW |
10241 | if (!idx) |
10242 | return CMD_WARNING; | |
10243 | ||
7b2ff250 DW |
10244 | if (argv_find(argv, argc, "cidr-only", &idx)) |
10245 | return bgp_show(vty, bgp, afi, safi, bgp_show_type_cidr_only, | |
10246 | NULL, uj); | |
10247 | ||
10248 | if (argv_find(argv, argc, "dampening", &idx)) { | |
10249 | if (argv_find(argv, argc, "dampened-paths", &idx)) | |
10250 | return bgp_show(vty, bgp, afi, safi, | |
10251 | bgp_show_type_dampend_paths, NULL, uj); | |
10252 | else if (argv_find(argv, argc, "flap-statistics", &idx)) | |
10253 | return bgp_show(vty, bgp, afi, safi, | |
10254 | bgp_show_type_flap_statistics, NULL, | |
10255 | uj); | |
10256 | } | |
10257 | ||
10258 | if (argv_find(argv, argc, "community", &idx)) { | |
79bc257a | 10259 | char *maybecomm = NULL; |
cf4898bc | 10260 | char *community = NULL; |
d0086e8e | 10261 | |
79bc257a RW |
10262 | if (idx + 1 < argc) { |
10263 | if (argv[idx + 1]->type == VARIABLE_TKN) | |
10264 | maybecomm = argv[idx + 1]->arg; | |
10265 | else | |
10266 | maybecomm = argv[idx + 1]->text; | |
10267 | } | |
10268 | ||
cf4898bc QY |
10269 | if (maybecomm && !strmatch(maybecomm, "json") |
10270 | && !strmatch(maybecomm, "exact-match")) | |
10271 | community = maybecomm; | |
d0086e8e | 10272 | |
cf4898bc QY |
10273 | if (argv_find(argv, argc, "exact-match", &idx)) |
10274 | exact_match = 1; | |
d0086e8e | 10275 | |
cf4898bc QY |
10276 | if (community) |
10277 | return bgp_show_community(vty, bgp, community, | |
10278 | exact_match, afi, safi, uj); | |
10279 | else | |
d0086e8e | 10280 | return (bgp_show(vty, bgp, afi, safi, |
cf4898bc QY |
10281 | bgp_show_type_community_all, NULL, |
10282 | uj)); | |
7b2ff250 | 10283 | } |
d0086e8e | 10284 | |
1ae44dfc | 10285 | return bgp_show(vty, bgp, afi, safi, sh_type, NULL, uj); |
a636c635 | 10286 | } |
47fc97cc | 10287 | |
718e3744 | 10288 | DEFUN (show_ip_bgp_route, |
10289 | show_ip_bgp_route_cmd, | |
4dd6177e | 10290 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]" |
ae19d7dd | 10291 | "<A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> [<bestpath|multipath>] [json]", |
718e3744 | 10292 | SHOW_STR |
10293 | IP_STR | |
10294 | BGP_STR | |
a636c635 | 10295 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10296 | BGP_AFI_HELP_STR |
4dd6177e | 10297 | BGP_SAFI_WITH_LABEL_HELP_STR |
b05a1c8b | 10298 | "Network in the BGP routing table to display\n" |
0c7b1b01 | 10299 | "IPv4 prefix\n" |
8c3deaae | 10300 | "Network in the BGP routing table to display\n" |
0c7b1b01 | 10301 | "IPv6 prefix\n" |
4092b06c | 10302 | "Display only the bestpath\n" |
b05a1c8b | 10303 | "Display only multipaths\n" |
9973d184 | 10304 | JSON_STR) |
4092b06c | 10305 | { |
d62a17ae | 10306 | int prefix_check = 0; |
ae19d7dd | 10307 | |
d62a17ae | 10308 | afi_t afi = AFI_IP6; |
10309 | safi_t safi = SAFI_UNICAST; | |
10310 | char *prefix = NULL; | |
10311 | struct bgp *bgp = NULL; | |
10312 | enum bgp_path_type path_type; | |
9f049418 | 10313 | bool uj = use_json(argc, argv); |
b05a1c8b | 10314 | |
d62a17ae | 10315 | int idx = 0; |
ae19d7dd | 10316 | |
d62a17ae | 10317 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 10318 | &bgp, uj); |
d62a17ae | 10319 | if (!idx) |
10320 | return CMD_WARNING; | |
c41247f5 | 10321 | |
d62a17ae | 10322 | if (!bgp) { |
10323 | vty_out(vty, | |
10324 | "Specified 'all' vrf's but this command currently only works per view/vrf\n"); | |
10325 | return CMD_WARNING; | |
10326 | } | |
a636c635 | 10327 | |
d62a17ae | 10328 | /* <A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> */ |
10329 | if (argv_find(argv, argc, "A.B.C.D", &idx) | |
10330 | || argv_find(argv, argc, "X:X::X:X", &idx)) | |
10331 | prefix_check = 0; | |
10332 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx) | |
10333 | || argv_find(argv, argc, "X:X::X:X/M", &idx)) | |
10334 | prefix_check = 1; | |
10335 | ||
10336 | if ((argv[idx]->type == IPV6_TKN || argv[idx]->type == IPV6_PREFIX_TKN) | |
10337 | && afi != AFI_IP6) { | |
10338 | vty_out(vty, | |
10339 | "%% Cannot specify IPv6 address or prefix with IPv4 AFI\n"); | |
10340 | return CMD_WARNING; | |
10341 | } | |
10342 | if ((argv[idx]->type == IPV4_TKN || argv[idx]->type == IPV4_PREFIX_TKN) | |
10343 | && afi != AFI_IP) { | |
10344 | vty_out(vty, | |
10345 | "%% Cannot specify IPv4 address or prefix with IPv6 AFI\n"); | |
10346 | return CMD_WARNING; | |
10347 | } | |
10348 | ||
10349 | prefix = argv[idx]->arg; | |
10350 | ||
10351 | /* [<bestpath|multipath>] */ | |
10352 | if (argv_find(argv, argc, "bestpath", &idx)) | |
360660c6 | 10353 | path_type = BGP_PATH_SHOW_BESTPATH; |
d62a17ae | 10354 | else if (argv_find(argv, argc, "multipath", &idx)) |
360660c6 | 10355 | path_type = BGP_PATH_SHOW_MULTIPATH; |
d62a17ae | 10356 | else |
360660c6 | 10357 | path_type = BGP_PATH_SHOW_ALL; |
a636c635 | 10358 | |
d62a17ae | 10359 | return bgp_show_route(vty, bgp, prefix, afi, safi, NULL, prefix_check, |
10360 | path_type, uj); | |
4092b06c DS |
10361 | } |
10362 | ||
8c3deaae QY |
10363 | DEFUN (show_ip_bgp_regexp, |
10364 | show_ip_bgp_regexp_cmd, | |
4dd6177e | 10365 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] regexp REGEX...", |
8c3deaae QY |
10366 | SHOW_STR |
10367 | IP_STR | |
10368 | BGP_STR | |
b00b230a | 10369 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10370 | BGP_AFI_HELP_STR |
4dd6177e | 10371 | BGP_SAFI_WITH_LABEL_HELP_STR |
8c3deaae | 10372 | "Display routes matching the AS path regular expression\n" |
a818ea74 | 10373 | "A regular-expression (1234567890_^|[,{}() ]$*+.?-\\) to match the BGP AS paths\n") |
8c3deaae | 10374 | { |
d62a17ae | 10375 | afi_t afi = AFI_IP6; |
10376 | safi_t safi = SAFI_UNICAST; | |
10377 | struct bgp *bgp = NULL; | |
8c3deaae | 10378 | |
d62a17ae | 10379 | int idx = 0; |
10380 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10381 | &bgp, false); |
d62a17ae | 10382 | if (!idx) |
10383 | return CMD_WARNING; | |
8c3deaae | 10384 | |
d62a17ae | 10385 | // get index of regex |
10386 | argv_find(argv, argc, "regexp", &idx); | |
10387 | idx++; | |
8c3deaae | 10388 | |
d62a17ae | 10389 | char *regstr = argv_concat(argv, argc, idx); |
e889891d | 10390 | int rc = bgp_show_regexp(vty, bgp, (const char *)regstr, afi, safi, |
d62a17ae | 10391 | bgp_show_type_regexp); |
10392 | XFREE(MTYPE_TMP, regstr); | |
10393 | return rc; | |
8c3deaae QY |
10394 | } |
10395 | ||
a636c635 DW |
10396 | DEFUN (show_ip_bgp_instance_all, |
10397 | show_ip_bgp_instance_all_cmd, | |
4dd6177e | 10398 | "show [ip] bgp <view|vrf> all ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] [json]", |
4092b06c | 10399 | SHOW_STR |
a636c635 | 10400 | IP_STR |
4092b06c | 10401 | BGP_STR |
a636c635 | 10402 | BGP_INSTANCE_ALL_HELP_STR |
4f280b15 | 10403 | BGP_AFI_HELP_STR |
4dd6177e | 10404 | BGP_SAFI_WITH_LABEL_HELP_STR |
9973d184 | 10405 | JSON_STR) |
4092b06c | 10406 | { |
d62a17ae | 10407 | afi_t afi = AFI_IP; |
10408 | safi_t safi = SAFI_UNICAST; | |
10409 | struct bgp *bgp = NULL; | |
d62a17ae | 10410 | int idx = 0; |
9f049418 | 10411 | bool uj = use_json(argc, argv); |
ae19d7dd | 10412 | |
d62a17ae | 10413 | if (uj) |
10414 | argc--; | |
e3e29b32 | 10415 | |
9f049418 DS |
10416 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
10417 | &bgp, uj); | |
10418 | if (!idx) | |
10419 | return CMD_WARNING; | |
10420 | ||
d62a17ae | 10421 | bgp_show_all_instances_routes_vty(vty, afi, safi, uj); |
10422 | return CMD_SUCCESS; | |
e3e29b32 LB |
10423 | } |
10424 | ||
a4d82a8a PZ |
10425 | static int bgp_show_regexp(struct vty *vty, struct bgp *bgp, const char *regstr, |
10426 | afi_t afi, safi_t safi, enum bgp_show_type type) | |
718e3744 | 10427 | { |
d62a17ae | 10428 | regex_t *regex; |
10429 | int rc; | |
e3e29b32 | 10430 | |
c3900853 DA |
10431 | if (!config_bgp_aspath_validate(regstr)) { |
10432 | vty_out(vty, "Invalid character in as-path access-list %s\n", | |
10433 | regstr); | |
10434 | return CMD_WARNING_CONFIG_FAILED; | |
10435 | } | |
10436 | ||
d62a17ae | 10437 | regex = bgp_regcomp(regstr); |
10438 | if (!regex) { | |
10439 | vty_out(vty, "Can't compile regexp %s\n", regstr); | |
10440 | return CMD_WARNING; | |
10441 | } | |
a636c635 | 10442 | |
e889891d | 10443 | rc = bgp_show(vty, bgp, afi, safi, type, regex, 0); |
d62a17ae | 10444 | bgp_regex_free(regex); |
10445 | return rc; | |
e3e29b32 LB |
10446 | } |
10447 | ||
d62a17ae | 10448 | static int bgp_show_prefix_list(struct vty *vty, struct bgp *bgp, |
10449 | const char *prefix_list_str, afi_t afi, | |
10450 | safi_t safi, enum bgp_show_type type) | |
e3e29b32 | 10451 | { |
d62a17ae | 10452 | struct prefix_list *plist; |
718e3744 | 10453 | |
d62a17ae | 10454 | plist = prefix_list_lookup(afi, prefix_list_str); |
10455 | if (plist == NULL) { | |
10456 | vty_out(vty, "%% %s is not a valid prefix-list name\n", | |
10457 | prefix_list_str); | |
10458 | return CMD_WARNING; | |
10459 | } | |
718e3744 | 10460 | |
d62a17ae | 10461 | return bgp_show(vty, bgp, afi, safi, type, plist, 0); |
4092b06c DS |
10462 | } |
10463 | ||
d62a17ae | 10464 | static int bgp_show_filter_list(struct vty *vty, struct bgp *bgp, |
10465 | const char *filter, afi_t afi, safi_t safi, | |
10466 | enum bgp_show_type type) | |
4092b06c | 10467 | { |
d62a17ae | 10468 | struct as_list *as_list; |
718e3744 | 10469 | |
d62a17ae | 10470 | as_list = as_list_lookup(filter); |
10471 | if (as_list == NULL) { | |
10472 | vty_out(vty, "%% %s is not a valid AS-path access-list name\n", | |
10473 | filter); | |
10474 | return CMD_WARNING; | |
10475 | } | |
a636c635 | 10476 | |
d62a17ae | 10477 | return bgp_show(vty, bgp, afi, safi, type, as_list, 0); |
718e3744 | 10478 | } |
10479 | ||
d62a17ae | 10480 | static int bgp_show_route_map(struct vty *vty, struct bgp *bgp, |
10481 | const char *rmap_str, afi_t afi, safi_t safi, | |
10482 | enum bgp_show_type type) | |
718e3744 | 10483 | { |
d62a17ae | 10484 | struct route_map *rmap; |
bb46e94f | 10485 | |
d62a17ae | 10486 | rmap = route_map_lookup_by_name(rmap_str); |
10487 | if (!rmap) { | |
10488 | vty_out(vty, "%% %s is not a valid route-map name\n", rmap_str); | |
10489 | return CMD_WARNING; | |
10490 | } | |
10491 | ||
10492 | return bgp_show(vty, bgp, afi, safi, type, rmap, 0); | |
10493 | } | |
10494 | ||
7f323236 DW |
10495 | static int bgp_show_community(struct vty *vty, struct bgp *bgp, |
10496 | const char *comstr, int exact, afi_t afi, | |
9f049418 | 10497 | safi_t safi, bool use_json) |
d62a17ae | 10498 | { |
10499 | struct community *com; | |
d62a17ae | 10500 | int ret = 0; |
10501 | ||
7f323236 | 10502 | com = community_str2com(comstr); |
d62a17ae | 10503 | if (!com) { |
7f323236 | 10504 | vty_out(vty, "%% Community malformed: %s\n", comstr); |
d62a17ae | 10505 | return CMD_WARNING; |
10506 | } | |
10507 | ||
10508 | ret = bgp_show(vty, bgp, afi, safi, | |
10509 | (exact ? bgp_show_type_community_exact | |
10510 | : bgp_show_type_community), | |
d0086e8e | 10511 | com, use_json); |
3c1f53de | 10512 | community_free(&com); |
46c3ce83 | 10513 | |
d62a17ae | 10514 | return ret; |
718e3744 | 10515 | } |
10516 | ||
d62a17ae | 10517 | static int bgp_show_community_list(struct vty *vty, struct bgp *bgp, |
10518 | const char *com, int exact, afi_t afi, | |
10519 | safi_t safi) | |
50ef26d4 | 10520 | { |
d62a17ae | 10521 | struct community_list *list; |
50ef26d4 | 10522 | |
e237b0d2 | 10523 | list = community_list_lookup(bgp_clist, com, 0, COMMUNITY_LIST_MASTER); |
d62a17ae | 10524 | if (list == NULL) { |
10525 | vty_out(vty, "%% %s is not a valid community-list name\n", com); | |
10526 | return CMD_WARNING; | |
10527 | } | |
718e3744 | 10528 | |
d62a17ae | 10529 | return bgp_show(vty, bgp, afi, safi, |
10530 | (exact ? bgp_show_type_community_list_exact | |
10531 | : bgp_show_type_community_list), | |
10532 | list, 0); | |
50ef26d4 | 10533 | } |
10534 | ||
d62a17ae | 10535 | static int bgp_show_prefix_longer(struct vty *vty, struct bgp *bgp, |
10536 | const char *prefix, afi_t afi, safi_t safi, | |
10537 | enum bgp_show_type type) | |
718e3744 | 10538 | { |
d62a17ae | 10539 | int ret; |
10540 | struct prefix *p; | |
47fc97cc | 10541 | |
d62a17ae | 10542 | p = prefix_new(); |
95cbbd2a | 10543 | |
d62a17ae | 10544 | ret = str2prefix(prefix, p); |
10545 | if (!ret) { | |
10546 | vty_out(vty, "%% Malformed Prefix\n"); | |
10547 | return CMD_WARNING; | |
10548 | } | |
47e9b292 | 10549 | |
d62a17ae | 10550 | ret = bgp_show(vty, bgp, afi, safi, type, p, 0); |
63265b5c | 10551 | prefix_free(&p); |
d62a17ae | 10552 | return ret; |
10553 | } | |
10554 | ||
d62a17ae | 10555 | enum bgp_stats { |
10556 | BGP_STATS_MAXBITLEN = 0, | |
10557 | BGP_STATS_RIB, | |
10558 | BGP_STATS_PREFIXES, | |
10559 | BGP_STATS_TOTPLEN, | |
10560 | BGP_STATS_UNAGGREGATEABLE, | |
10561 | BGP_STATS_MAX_AGGREGATEABLE, | |
10562 | BGP_STATS_AGGREGATES, | |
10563 | BGP_STATS_SPACE, | |
10564 | BGP_STATS_ASPATH_COUNT, | |
10565 | BGP_STATS_ASPATH_MAXHOPS, | |
10566 | BGP_STATS_ASPATH_TOTHOPS, | |
10567 | BGP_STATS_ASPATH_MAXSIZE, | |
10568 | BGP_STATS_ASPATH_TOTSIZE, | |
10569 | BGP_STATS_ASN_HIGHEST, | |
10570 | BGP_STATS_MAX, | |
a636c635 | 10571 | }; |
2815e61f | 10572 | |
d62a17ae | 10573 | static const char *table_stats_strs[] = { |
9d303b37 DL |
10574 | [BGP_STATS_PREFIXES] = "Total Prefixes", |
10575 | [BGP_STATS_TOTPLEN] = "Average prefix length", | |
10576 | [BGP_STATS_RIB] = "Total Advertisements", | |
10577 | [BGP_STATS_UNAGGREGATEABLE] = "Unaggregateable prefixes", | |
10578 | [BGP_STATS_MAX_AGGREGATEABLE] = | |
10579 | "Maximum aggregateable prefixes", | |
10580 | [BGP_STATS_AGGREGATES] = "BGP Aggregate advertisements", | |
10581 | [BGP_STATS_SPACE] = "Address space advertised", | |
10582 | [BGP_STATS_ASPATH_COUNT] = "Advertisements with paths", | |
10583 | [BGP_STATS_ASPATH_MAXHOPS] = "Longest AS-Path (hops)", | |
10584 | [BGP_STATS_ASPATH_MAXSIZE] = "Largest AS-Path (bytes)", | |
10585 | [BGP_STATS_ASPATH_TOTHOPS] = "Average AS-Path length (hops)", | |
10586 | [BGP_STATS_ASPATH_TOTSIZE] = "Average AS-Path size (bytes)", | |
10587 | [BGP_STATS_ASN_HIGHEST] = "Highest public ASN", | |
10588 | [BGP_STATS_MAX] = NULL, | |
a636c635 | 10589 | }; |
2815e61f | 10590 | |
d62a17ae | 10591 | struct bgp_table_stats { |
10592 | struct bgp_table *table; | |
10593 | unsigned long long counts[BGP_STATS_MAX]; | |
8d0ab76d | 10594 | double total_space; |
ff7924f6 PJ |
10595 | }; |
10596 | ||
a636c635 DW |
10597 | #if 0 |
10598 | #define TALLY_SIGFIG 100000 | |
10599 | static unsigned long | |
10600 | ravg_tally (unsigned long count, unsigned long oldavg, unsigned long newval) | |
ff7924f6 | 10601 | { |
a636c635 DW |
10602 | unsigned long newtot = (count-1) * oldavg + (newval * TALLY_SIGFIG); |
10603 | unsigned long res = (newtot * TALLY_SIGFIG) / count; | |
10604 | unsigned long ret = newtot / count; | |
07d0c4ed | 10605 | |
a636c635 DW |
10606 | if ((res % TALLY_SIGFIG) > (TALLY_SIGFIG/2)) |
10607 | return ret + 1; | |
10608 | else | |
10609 | return ret; | |
10610 | } | |
10611 | #endif | |
ff7924f6 | 10612 | |
9c14ec72 RW |
10613 | static void bgp_table_stats_rn(struct bgp_node *rn, struct bgp_node *top, |
10614 | struct bgp_table_stats *ts, unsigned int space) | |
2815e61f | 10615 | { |
9c14ec72 RW |
10616 | struct bgp_node *prn = bgp_node_parent_nolock(rn); |
10617 | struct bgp_path_info *pi; | |
d62a17ae | 10618 | |
9c14ec72 RW |
10619 | if (rn == top) |
10620 | return; | |
d62a17ae | 10621 | |
9c14ec72 RW |
10622 | if (!bgp_node_has_bgp_path_info_data(rn)) |
10623 | return; | |
d62a17ae | 10624 | |
9c14ec72 RW |
10625 | ts->counts[BGP_STATS_PREFIXES]++; |
10626 | ts->counts[BGP_STATS_TOTPLEN] += rn->p.prefixlen; | |
ff7924f6 | 10627 | |
a636c635 DW |
10628 | #if 0 |
10629 | ts->counts[BGP_STATS_AVGPLEN] | |
10630 | = ravg_tally (ts->counts[BGP_STATS_PREFIXES], | |
10631 | ts->counts[BGP_STATS_AVGPLEN], | |
10632 | rn->p.prefixlen); | |
10633 | #endif | |
d62a17ae | 10634 | |
9c14ec72 RW |
10635 | /* check if the prefix is included by any other announcements */ |
10636 | while (prn && !bgp_node_has_bgp_path_info_data(prn)) | |
10637 | prn = bgp_node_parent_nolock(prn); | |
d62a17ae | 10638 | |
9c14ec72 RW |
10639 | if (prn == NULL || prn == top) { |
10640 | ts->counts[BGP_STATS_UNAGGREGATEABLE]++; | |
10641 | /* announced address space */ | |
10642 | if (space) | |
10643 | ts->total_space += pow(2.0, space - rn->p.prefixlen); | |
10644 | } else if (bgp_node_has_bgp_path_info_data(prn)) | |
10645 | ts->counts[BGP_STATS_MAX_AGGREGATEABLE]++; | |
d62a17ae | 10646 | |
9c14ec72 RW |
10647 | |
10648 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { | |
10649 | ts->counts[BGP_STATS_RIB]++; | |
10650 | ||
05864da7 DS |
10651 | if (CHECK_FLAG(pi->attr->flag, |
10652 | ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE))) | |
9c14ec72 RW |
10653 | ts->counts[BGP_STATS_AGGREGATES]++; |
10654 | ||
10655 | /* as-path stats */ | |
05864da7 | 10656 | if (pi->attr->aspath) { |
9c14ec72 RW |
10657 | unsigned int hops = aspath_count_hops(pi->attr->aspath); |
10658 | unsigned int size = aspath_size(pi->attr->aspath); | |
10659 | as_t highest = aspath_highest(pi->attr->aspath); | |
10660 | ||
10661 | ts->counts[BGP_STATS_ASPATH_COUNT]++; | |
10662 | ||
10663 | if (hops > ts->counts[BGP_STATS_ASPATH_MAXHOPS]) | |
10664 | ts->counts[BGP_STATS_ASPATH_MAXHOPS] = hops; | |
10665 | ||
10666 | if (size > ts->counts[BGP_STATS_ASPATH_MAXSIZE]) | |
10667 | ts->counts[BGP_STATS_ASPATH_MAXSIZE] = size; | |
10668 | ||
10669 | ts->counts[BGP_STATS_ASPATH_TOTHOPS] += hops; | |
10670 | ts->counts[BGP_STATS_ASPATH_TOTSIZE] += size; | |
a636c635 | 10671 | #if 0 |
07d0c4ed | 10672 | ts->counts[BGP_STATS_ASPATH_AVGHOPS] |
a636c635 DW |
10673 | = ravg_tally (ts->counts[BGP_STATS_ASPATH_COUNT], |
10674 | ts->counts[BGP_STATS_ASPATH_AVGHOPS], | |
10675 | hops); | |
10676 | ts->counts[BGP_STATS_ASPATH_AVGSIZE] | |
10677 | = ravg_tally (ts->counts[BGP_STATS_ASPATH_COUNT], | |
10678 | ts->counts[BGP_STATS_ASPATH_AVGSIZE], | |
10679 | size); | |
10680 | #endif | |
9c14ec72 RW |
10681 | if (highest > ts->counts[BGP_STATS_ASN_HIGHEST]) |
10682 | ts->counts[BGP_STATS_ASN_HIGHEST] = highest; | |
10683 | } | |
10684 | } | |
10685 | } | |
10686 | ||
10687 | static int bgp_table_stats_walker(struct thread *t) | |
10688 | { | |
10689 | struct bgp_node *rn, *nrn; | |
10690 | struct bgp_node *top; | |
10691 | struct bgp_table_stats *ts = THREAD_ARG(t); | |
10692 | unsigned int space = 0; | |
10693 | ||
10694 | if (!(top = bgp_table_top(ts->table))) | |
10695 | return 0; | |
10696 | ||
10697 | switch (ts->table->afi) { | |
10698 | case AFI_IP: | |
10699 | space = IPV4_MAX_BITLEN; | |
10700 | break; | |
10701 | case AFI_IP6: | |
10702 | space = IPV6_MAX_BITLEN; | |
10703 | break; | |
10704 | default: | |
10705 | return 0; | |
10706 | } | |
10707 | ||
10708 | ts->counts[BGP_STATS_MAXBITLEN] = space; | |
10709 | ||
10710 | for (rn = top; rn; rn = bgp_route_next(rn)) { | |
10711 | if (ts->table->safi == SAFI_MPLS_VPN) { | |
10712 | struct bgp_table *table; | |
10713 | ||
10714 | table = bgp_node_get_bgp_table_info(rn); | |
10715 | if (!table) | |
10716 | continue; | |
10717 | ||
10718 | top = bgp_table_top(table); | |
10719 | for (nrn = bgp_table_top(table); nrn; | |
10720 | nrn = bgp_route_next(nrn)) | |
10721 | bgp_table_stats_rn(nrn, top, ts, space); | |
10722 | } else { | |
10723 | bgp_table_stats_rn(rn, top, ts, space); | |
d62a17ae | 10724 | } |
10725 | } | |
9c14ec72 | 10726 | |
d62a17ae | 10727 | return 0; |
2815e61f | 10728 | } |
ff7924f6 | 10729 | |
d62a17ae | 10730 | static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi, |
10731 | safi_t safi) | |
2815e61f | 10732 | { |
d62a17ae | 10733 | struct bgp_table_stats ts; |
10734 | unsigned int i; | |
019386c2 | 10735 | |
d62a17ae | 10736 | if (!bgp->rib[afi][safi]) { |
10737 | vty_out(vty, "%% No RIB exist's for the AFI(%d)/SAFI(%d)\n", | |
10738 | afi, safi); | |
10739 | return CMD_WARNING; | |
10740 | } | |
019386c2 | 10741 | |
5cb5f4d0 | 10742 | vty_out(vty, "BGP %s RIB statistics\n", get_afi_safi_str(afi, safi, false)); |
019386c2 | 10743 | |
d62a17ae | 10744 | /* labeled-unicast routes live in the unicast table */ |
10745 | if (safi == SAFI_LABELED_UNICAST) | |
10746 | safi = SAFI_UNICAST; | |
019386c2 | 10747 | |
d62a17ae | 10748 | memset(&ts, 0, sizeof(ts)); |
10749 | ts.table = bgp->rib[afi][safi]; | |
10750 | thread_execute(bm->master, bgp_table_stats_walker, &ts, 0); | |
ff7924f6 | 10751 | |
d62a17ae | 10752 | for (i = 0; i < BGP_STATS_MAX; i++) { |
10753 | if (!table_stats_strs[i]) | |
10754 | continue; | |
10755 | ||
10756 | switch (i) { | |
a636c635 DW |
10757 | #if 0 |
10758 | case BGP_STATS_ASPATH_AVGHOPS: | |
10759 | case BGP_STATS_ASPATH_AVGSIZE: | |
10760 | case BGP_STATS_AVGPLEN: | |
10761 | vty_out (vty, "%-30s: ", table_stats_strs[i]); | |
10762 | vty_out (vty, "%12.2f", | |
10763 | (float)ts.counts[i] / (float)TALLY_SIGFIG); | |
10764 | break; | |
10765 | #endif | |
d62a17ae | 10766 | case BGP_STATS_ASPATH_TOTHOPS: |
10767 | case BGP_STATS_ASPATH_TOTSIZE: | |
10768 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
10769 | vty_out(vty, "%12.2f", | |
10770 | ts.counts[i] | |
10771 | ? (float)ts.counts[i] | |
10772 | / (float)ts.counts | |
10773 | [BGP_STATS_ASPATH_COUNT] | |
10774 | : 0); | |
10775 | break; | |
10776 | case BGP_STATS_TOTPLEN: | |
10777 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
10778 | vty_out(vty, "%12.2f", | |
10779 | ts.counts[i] | |
10780 | ? (float)ts.counts[i] | |
10781 | / (float)ts.counts | |
10782 | [BGP_STATS_PREFIXES] | |
10783 | : 0); | |
10784 | break; | |
10785 | case BGP_STATS_SPACE: | |
10786 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
8d0ab76d DL |
10787 | vty_out(vty, "%12g\n", ts.total_space); |
10788 | ||
10789 | if (afi == AFI_IP6) { | |
10790 | vty_out(vty, "%30s: ", "/32 equivalent "); | |
10791 | vty_out(vty, "%12g\n", | |
a4d82a8a | 10792 | ts.total_space * pow(2.0, -128 + 32)); |
8d0ab76d DL |
10793 | vty_out(vty, "%30s: ", "/48 equivalent "); |
10794 | vty_out(vty, "%12g\n", | |
a4d82a8a | 10795 | ts.total_space * pow(2.0, -128 + 48)); |
8d0ab76d DL |
10796 | } else { |
10797 | vty_out(vty, "%30s: ", "% announced "); | |
10798 | vty_out(vty, "%12.2f\n", | |
10799 | ts.total_space * 100. * pow(2.0, -32)); | |
10800 | vty_out(vty, "%30s: ", "/8 equivalent "); | |
10801 | vty_out(vty, "%12.2f\n", | |
a4d82a8a | 10802 | ts.total_space * pow(2.0, -32 + 8)); |
8d0ab76d DL |
10803 | vty_out(vty, "%30s: ", "/24 equivalent "); |
10804 | vty_out(vty, "%12.2f\n", | |
a4d82a8a | 10805 | ts.total_space * pow(2.0, -32 + 24)); |
8d0ab76d | 10806 | } |
d62a17ae | 10807 | break; |
10808 | default: | |
10809 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
10810 | vty_out(vty, "%12llu", ts.counts[i]); | |
10811 | } | |
ff7924f6 | 10812 | |
d62a17ae | 10813 | vty_out(vty, "\n"); |
10814 | } | |
10815 | return CMD_SUCCESS; | |
10816 | } | |
10817 | ||
10818 | enum bgp_pcounts { | |
10819 | PCOUNT_ADJ_IN = 0, | |
10820 | PCOUNT_DAMPED, | |
10821 | PCOUNT_REMOVED, | |
10822 | PCOUNT_HISTORY, | |
10823 | PCOUNT_STALE, | |
10824 | PCOUNT_VALID, | |
10825 | PCOUNT_ALL, | |
10826 | PCOUNT_COUNTED, | |
10827 | PCOUNT_PFCNT, /* the figure we display to users */ | |
10828 | PCOUNT_MAX, | |
a636c635 | 10829 | }; |
718e3744 | 10830 | |
d62a17ae | 10831 | static const char *pcount_strs[] = { |
9d303b37 DL |
10832 | [PCOUNT_ADJ_IN] = "Adj-in", |
10833 | [PCOUNT_DAMPED] = "Damped", | |
10834 | [PCOUNT_REMOVED] = "Removed", | |
10835 | [PCOUNT_HISTORY] = "History", | |
10836 | [PCOUNT_STALE] = "Stale", | |
10837 | [PCOUNT_VALID] = "Valid", | |
10838 | [PCOUNT_ALL] = "All RIB", | |
10839 | [PCOUNT_COUNTED] = "PfxCt counted", | |
10840 | [PCOUNT_PFCNT] = "Useable", | |
10841 | [PCOUNT_MAX] = NULL, | |
a636c635 | 10842 | }; |
718e3744 | 10843 | |
d62a17ae | 10844 | struct peer_pcounts { |
10845 | unsigned int count[PCOUNT_MAX]; | |
10846 | const struct peer *peer; | |
10847 | const struct bgp_table *table; | |
a636c635 | 10848 | }; |
47fc97cc | 10849 | |
d62a17ae | 10850 | static int bgp_peer_count_walker(struct thread *t) |
10851 | { | |
10852 | struct bgp_node *rn; | |
10853 | struct peer_pcounts *pc = THREAD_ARG(t); | |
10854 | const struct peer *peer = pc->peer; | |
10855 | ||
10856 | for (rn = bgp_table_top(pc->table); rn; rn = bgp_route_next(rn)) { | |
10857 | struct bgp_adj_in *ain; | |
40381db7 | 10858 | struct bgp_path_info *pi; |
d62a17ae | 10859 | |
10860 | for (ain = rn->adj_in; ain; ain = ain->next) | |
10861 | if (ain->peer == peer) | |
10862 | pc->count[PCOUNT_ADJ_IN]++; | |
10863 | ||
6f94b685 DS |
10864 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
10865 | ||
40381db7 | 10866 | if (pi->peer != peer) |
d62a17ae | 10867 | continue; |
10868 | ||
10869 | pc->count[PCOUNT_ALL]++; | |
10870 | ||
40381db7 | 10871 | if (CHECK_FLAG(pi->flags, BGP_PATH_DAMPED)) |
d62a17ae | 10872 | pc->count[PCOUNT_DAMPED]++; |
40381db7 | 10873 | if (CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) |
d62a17ae | 10874 | pc->count[PCOUNT_HISTORY]++; |
40381db7 | 10875 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) |
d62a17ae | 10876 | pc->count[PCOUNT_REMOVED]++; |
40381db7 | 10877 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) |
d62a17ae | 10878 | pc->count[PCOUNT_STALE]++; |
40381db7 | 10879 | if (CHECK_FLAG(pi->flags, BGP_PATH_VALID)) |
d62a17ae | 10880 | pc->count[PCOUNT_VALID]++; |
40381db7 | 10881 | if (!CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) |
d62a17ae | 10882 | pc->count[PCOUNT_PFCNT]++; |
10883 | ||
40381db7 | 10884 | if (CHECK_FLAG(pi->flags, BGP_PATH_COUNTED)) { |
d62a17ae | 10885 | pc->count[PCOUNT_COUNTED]++; |
40381db7 | 10886 | if (CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) |
1c50c1c0 QY |
10887 | flog_err( |
10888 | EC_LIB_DEVELOPMENT, | |
10889 | "Attempting to count but flags say it is unusable"); | |
d62a17ae | 10890 | } else { |
40381db7 | 10891 | if (!CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) |
1c50c1c0 QY |
10892 | flog_err( |
10893 | EC_LIB_DEVELOPMENT, | |
10894 | "Not counted but flags say we should"); | |
d62a17ae | 10895 | } |
10896 | } | |
10897 | } | |
10898 | return 0; | |
718e3744 | 10899 | } |
10900 | ||
d62a17ae | 10901 | static int bgp_peer_counts(struct vty *vty, struct peer *peer, afi_t afi, |
9f049418 | 10902 | safi_t safi, bool use_json) |
856ca177 | 10903 | { |
d62a17ae | 10904 | struct peer_pcounts pcounts = {.peer = peer}; |
10905 | unsigned int i; | |
10906 | json_object *json = NULL; | |
10907 | json_object *json_loop = NULL; | |
856ca177 | 10908 | |
d62a17ae | 10909 | if (use_json) { |
10910 | json = json_object_new_object(); | |
10911 | json_loop = json_object_new_object(); | |
10912 | } | |
718e3744 | 10913 | |
d62a17ae | 10914 | if (!peer || !peer->bgp || !peer->afc[afi][safi] |
10915 | || !peer->bgp->rib[afi][safi]) { | |
10916 | if (use_json) { | |
10917 | json_object_string_add( | |
10918 | json, "warning", | |
10919 | "No such neighbor or address family"); | |
10920 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
10921 | json_object_free(json); | |
10922 | } else | |
10923 | vty_out(vty, "%% No such neighbor or address family\n"); | |
10924 | ||
10925 | return CMD_WARNING; | |
10926 | } | |
2a71e9ce | 10927 | |
d62a17ae | 10928 | memset(&pcounts, 0, sizeof(pcounts)); |
10929 | pcounts.peer = peer; | |
10930 | pcounts.table = peer->bgp->rib[afi][safi]; | |
10931 | ||
10932 | /* in-place call via thread subsystem so as to record execution time | |
d316210b PZ |
10933 | * stats for the thread-walk (i.e. ensure this can't be blamed on |
10934 | * on just vty_read()). | |
10935 | */ | |
d62a17ae | 10936 | thread_execute(bm->master, bgp_peer_count_walker, &pcounts, 0); |
10937 | ||
10938 | if (use_json) { | |
10939 | json_object_string_add(json, "prefixCountsFor", peer->host); | |
10940 | json_object_string_add(json, "multiProtocol", | |
5cb5f4d0 | 10941 | get_afi_safi_str(afi, safi, true)); |
d62a17ae | 10942 | json_object_int_add(json, "pfxCounter", |
10943 | peer->pcount[afi][safi]); | |
10944 | ||
10945 | for (i = 0; i < PCOUNT_MAX; i++) | |
10946 | json_object_int_add(json_loop, pcount_strs[i], | |
10947 | pcounts.count[i]); | |
10948 | ||
10949 | json_object_object_add(json, "ribTableWalkCounters", json_loop); | |
10950 | ||
10951 | if (pcounts.count[PCOUNT_PFCNT] != peer->pcount[afi][safi]) { | |
10952 | json_object_string_add(json, "pfxctDriftFor", | |
10953 | peer->host); | |
10954 | json_object_string_add( | |
10955 | json, "recommended", | |
10956 | "Please report this bug, with the above command output"); | |
10957 | } | |
996c9314 LB |
10958 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
10959 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 10960 | json_object_free(json); |
10961 | } else { | |
10962 | ||
10963 | if (peer->hostname | |
10964 | && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME)) { | |
10965 | vty_out(vty, "Prefix counts for %s/%s, %s\n", | |
10966 | peer->hostname, peer->host, | |
5cb5f4d0 | 10967 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 10968 | } else { |
10969 | vty_out(vty, "Prefix counts for %s, %s\n", peer->host, | |
5cb5f4d0 | 10970 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 10971 | } |
10972 | ||
a0a87037 | 10973 | vty_out(vty, "PfxCt: %" PRIu32 "\n", peer->pcount[afi][safi]); |
d62a17ae | 10974 | vty_out(vty, "\nCounts from RIB table walk:\n\n"); |
10975 | ||
10976 | for (i = 0; i < PCOUNT_MAX; i++) | |
10977 | vty_out(vty, "%20s: %-10d\n", pcount_strs[i], | |
10978 | pcounts.count[i]); | |
10979 | ||
10980 | if (pcounts.count[PCOUNT_PFCNT] != peer->pcount[afi][safi]) { | |
10981 | vty_out(vty, "%s [pcount] PfxCt drift!\n", peer->host); | |
10982 | vty_out(vty, | |
10983 | "Please report this bug, with the above command output\n"); | |
10984 | } | |
10985 | } | |
10986 | ||
10987 | return CMD_SUCCESS; | |
718e3744 | 10988 | } |
10989 | ||
a636c635 DW |
10990 | DEFUN (show_ip_bgp_instance_neighbor_prefix_counts, |
10991 | show_ip_bgp_instance_neighbor_prefix_counts_cmd, | |
c1a44e43 | 10992 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_CMD_STR"]] " |
30a6a167 | 10993 | "neighbors <A.B.C.D|X:X::X:X|WORD> prefix-counts [json]", |
718e3744 | 10994 | SHOW_STR |
10995 | IP_STR | |
10996 | BGP_STR | |
8386ac43 | 10997 | BGP_INSTANCE_HELP_STR |
9bedbb1e DW |
10998 | BGP_AFI_HELP_STR |
10999 | BGP_SAFI_HELP_STR | |
0b16f239 DS |
11000 | "Detailed information on TCP and BGP neighbor connections\n" |
11001 | "Neighbor to display information about\n" | |
11002 | "Neighbor to display information about\n" | |
91d37724 | 11003 | "Neighbor on BGP configured interface\n" |
a636c635 | 11004 | "Display detailed prefix count information\n" |
9973d184 | 11005 | JSON_STR) |
0b16f239 | 11006 | { |
d62a17ae | 11007 | afi_t afi = AFI_IP6; |
11008 | safi_t safi = SAFI_UNICAST; | |
11009 | struct peer *peer; | |
11010 | int idx = 0; | |
11011 | struct bgp *bgp = NULL; | |
9f049418 DS |
11012 | bool uj = use_json(argc, argv); |
11013 | ||
11014 | if (uj) | |
11015 | argc--; | |
856ca177 | 11016 | |
d62a17ae | 11017 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 11018 | &bgp, uj); |
d62a17ae | 11019 | if (!idx) |
11020 | return CMD_WARNING; | |
0b16f239 | 11021 | |
d62a17ae | 11022 | argv_find(argv, argc, "neighbors", &idx); |
11023 | peer = peer_lookup_in_view(vty, bgp, argv[idx + 1]->arg, uj); | |
11024 | if (!peer) | |
11025 | return CMD_WARNING; | |
bb46e94f | 11026 | |
29c8d9da | 11027 | return bgp_peer_counts(vty, peer, afi, safi, uj); |
a636c635 | 11028 | } |
0b16f239 | 11029 | |
d6902373 PG |
11030 | #ifdef KEEP_OLD_VPN_COMMANDS |
11031 | DEFUN (show_ip_bgp_vpn_neighbor_prefix_counts, | |
11032 | show_ip_bgp_vpn_neighbor_prefix_counts_cmd, | |
11033 | "show [ip] bgp <vpnv4|vpnv6> all neighbors <A.B.C.D|X:X::X:X|WORD> prefix-counts [json]", | |
2a71e9ce TP |
11034 | SHOW_STR |
11035 | IP_STR | |
11036 | BGP_STR | |
d6902373 | 11037 | BGP_VPNVX_HELP_STR |
91d37724 | 11038 | "Display information about all VPNv4 NLRIs\n" |
2a71e9ce TP |
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) |
a636c635 | 11045 | { |
d62a17ae | 11046 | int idx_peer = 6; |
11047 | struct peer *peer; | |
9f049418 | 11048 | bool uj = use_json(argc, argv); |
a636c635 | 11049 | |
d62a17ae | 11050 | peer = peer_lookup_in_view(vty, NULL, argv[idx_peer]->arg, uj); |
11051 | if (!peer) | |
11052 | return CMD_WARNING; | |
11053 | ||
11054 | return bgp_peer_counts(vty, peer, AFI_IP, SAFI_MPLS_VPN, uj); | |
a636c635 DW |
11055 | } |
11056 | ||
d6902373 PG |
11057 | DEFUN (show_ip_bgp_vpn_all_route_prefix, |
11058 | show_ip_bgp_vpn_all_route_prefix_cmd, | |
11059 | "show [ip] bgp <vpnv4|vpnv6> all <A.B.C.D|A.B.C.D/M> [json]", | |
91d37724 QY |
11060 | SHOW_STR |
11061 | IP_STR | |
11062 | BGP_STR | |
d6902373 | 11063 | BGP_VPNVX_HELP_STR |
91d37724 QY |
11064 | "Display information about all VPNv4 NLRIs\n" |
11065 | "Network in the BGP routing table to display\n" | |
3a2d747c | 11066 | "Network in the BGP routing table to display\n" |
9973d184 | 11067 | JSON_STR) |
91d37724 | 11068 | { |
d62a17ae | 11069 | int idx = 0; |
11070 | char *network = NULL; | |
11071 | struct bgp *bgp = bgp_get_default(); | |
11072 | if (!bgp) { | |
11073 | vty_out(vty, "Can't find default instance\n"); | |
11074 | return CMD_WARNING; | |
11075 | } | |
87e34b58 | 11076 | |
d62a17ae | 11077 | if (argv_find(argv, argc, "A.B.C.D", &idx)) |
11078 | network = argv[idx]->arg; | |
11079 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx)) | |
11080 | network = argv[idx]->arg; | |
11081 | else { | |
11082 | vty_out(vty, "Unable to figure out Network\n"); | |
11083 | return CMD_WARNING; | |
11084 | } | |
87e34b58 | 11085 | |
d62a17ae | 11086 | return bgp_show_route(vty, bgp, network, AFI_IP, SAFI_MPLS_VPN, NULL, 0, |
360660c6 | 11087 | BGP_PATH_SHOW_ALL, use_json(argc, argv)); |
91d37724 | 11088 | } |
d6902373 | 11089 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
91d37724 | 11090 | |
44c69747 LK |
11091 | DEFUN (show_bgp_l2vpn_evpn_route_prefix, |
11092 | show_bgp_l2vpn_evpn_route_prefix_cmd, | |
11093 | "show bgp l2vpn evpn <A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> [json]", | |
4c63a661 | 11094 | SHOW_STR |
4c63a661 PG |
11095 | BGP_STR |
11096 | L2VPN_HELP_STR | |
11097 | EVPN_HELP_STR | |
44c69747 LK |
11098 | "Network in the BGP routing table to display\n" |
11099 | "Network in the BGP routing table to display\n" | |
4c63a661 PG |
11100 | "Network in the BGP routing table to display\n" |
11101 | "Network in the BGP routing table to display\n" | |
11102 | JSON_STR) | |
11103 | { | |
d62a17ae | 11104 | int idx = 0; |
11105 | char *network = NULL; | |
44c69747 | 11106 | int prefix_check = 0; |
a636c635 | 11107 | |
44c69747 LK |
11108 | if (argv_find(argv, argc, "A.B.C.D", &idx) || |
11109 | argv_find(argv, argc, "X:X::X:X", &idx)) | |
d62a17ae | 11110 | network = argv[idx]->arg; |
44c69747 LK |
11111 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx) || |
11112 | argv_find(argv, argc, "A.B.C.D/M", &idx)) { | |
d62a17ae | 11113 | network = argv[idx]->arg; |
44c69747 LK |
11114 | prefix_check = 1; |
11115 | } else { | |
d62a17ae | 11116 | vty_out(vty, "Unable to figure out Network\n"); |
11117 | return CMD_WARNING; | |
11118 | } | |
44c69747 LK |
11119 | return bgp_show_route(vty, NULL, network, AFI_L2VPN, SAFI_EVPN, NULL, |
11120 | prefix_check, BGP_PATH_SHOW_ALL, | |
11121 | use_json(argc, argv)); | |
d62a17ae | 11122 | } |
11123 | ||
11124 | static void show_adj_route(struct vty *vty, struct peer *peer, afi_t afi, | |
6392aaa6 | 11125 | safi_t safi, enum bgp_show_adj_route_type type, |
9f049418 | 11126 | const char *rmap_name, bool use_json, |
6392aaa6 | 11127 | json_object *json) |
d62a17ae | 11128 | { |
11129 | struct bgp_table *table; | |
11130 | struct bgp_adj_in *ain; | |
11131 | struct bgp_adj_out *adj; | |
11132 | unsigned long output_count; | |
11133 | unsigned long filtered_count; | |
11134 | struct bgp_node *rn; | |
11135 | int header1 = 1; | |
11136 | struct bgp *bgp; | |
11137 | int header2 = 1; | |
11138 | struct attr attr; | |
11139 | int ret; | |
11140 | struct update_subgroup *subgrp; | |
11141 | json_object *json_scode = NULL; | |
11142 | json_object *json_ocode = NULL; | |
11143 | json_object *json_ar = NULL; | |
11144 | struct peer_af *paf; | |
f99def61 | 11145 | bool route_filtered; |
d62a17ae | 11146 | |
11147 | if (use_json) { | |
11148 | json_scode = json_object_new_object(); | |
11149 | json_ocode = json_object_new_object(); | |
11150 | json_ar = json_object_new_object(); | |
11151 | ||
11152 | json_object_string_add(json_scode, "suppressed", "s"); | |
11153 | json_object_string_add(json_scode, "damped", "d"); | |
11154 | json_object_string_add(json_scode, "history", "h"); | |
11155 | json_object_string_add(json_scode, "valid", "*"); | |
11156 | json_object_string_add(json_scode, "best", ">"); | |
11157 | json_object_string_add(json_scode, "multipath", "="); | |
11158 | json_object_string_add(json_scode, "internal", "i"); | |
11159 | json_object_string_add(json_scode, "ribFailure", "r"); | |
11160 | json_object_string_add(json_scode, "stale", "S"); | |
11161 | json_object_string_add(json_scode, "removed", "R"); | |
11162 | ||
11163 | json_object_string_add(json_ocode, "igp", "i"); | |
11164 | json_object_string_add(json_ocode, "egp", "e"); | |
11165 | json_object_string_add(json_ocode, "incomplete", "?"); | |
11166 | } | |
a636c635 | 11167 | |
d62a17ae | 11168 | bgp = peer->bgp; |
a636c635 | 11169 | |
d62a17ae | 11170 | if (!bgp) { |
11171 | if (use_json) { | |
11172 | json_object_string_add(json, "alert", "no BGP"); | |
11173 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11174 | json_object_free(json); | |
11175 | } else | |
11176 | vty_out(vty, "%% No bgp\n"); | |
11177 | return; | |
11178 | } | |
a636c635 | 11179 | |
c512a642 EDP |
11180 | /* labeled-unicast routes live in the unicast table */ |
11181 | if (safi == SAFI_LABELED_UNICAST) | |
11182 | table = bgp->rib[afi][SAFI_UNICAST]; | |
11183 | else | |
11184 | table = bgp->rib[afi][safi]; | |
d62a17ae | 11185 | |
11186 | output_count = filtered_count = 0; | |
11187 | subgrp = peer_subgroup(peer, afi, safi); | |
11188 | ||
6392aaa6 | 11189 | if (type == bgp_show_adj_route_advertised && subgrp |
d62a17ae | 11190 | && CHECK_FLAG(subgrp->sflags, SUBGRP_STATUS_DEFAULT_ORIGINATE)) { |
11191 | if (use_json) { | |
11192 | json_object_int_add(json, "bgpTableVersion", | |
11193 | table->version); | |
11194 | json_object_string_add(json, "bgpLocalRouterId", | |
11195 | inet_ntoa(bgp->router_id)); | |
01eced22 AD |
11196 | json_object_int_add(json, "defaultLocPrf", |
11197 | bgp->default_local_pref); | |
11198 | json_object_int_add(json, "localAS", bgp->as); | |
d62a17ae | 11199 | json_object_object_add(json, "bgpStatusCodes", |
11200 | json_scode); | |
11201 | json_object_object_add(json, "bgpOriginCodes", | |
11202 | json_ocode); | |
07d0c4ed DA |
11203 | json_object_string_add( |
11204 | json, "bgpOriginatingDefaultNetwork", | |
11205 | (afi == AFI_IP) ? "0.0.0.0/0" : "::/0"); | |
d62a17ae | 11206 | } else { |
996c9314 | 11207 | vty_out(vty, "BGP table version is %" PRIu64 |
9df8b37c | 11208 | ", local router ID is %s, vrf id ", |
d62a17ae | 11209 | table->version, inet_ntoa(bgp->router_id)); |
9df8b37c PZ |
11210 | if (bgp->vrf_id == VRF_UNKNOWN) |
11211 | vty_out(vty, "%s", VRFID_NONE_STR); | |
11212 | else | |
11213 | vty_out(vty, "%u", bgp->vrf_id); | |
11214 | vty_out(vty, "\n"); | |
01eced22 AD |
11215 | vty_out(vty, "Default local pref %u, ", |
11216 | bgp->default_local_pref); | |
11217 | vty_out(vty, "local AS %u\n", bgp->as); | |
d62a17ae | 11218 | vty_out(vty, BGP_SHOW_SCODE_HEADER); |
9df8b37c | 11219 | vty_out(vty, BGP_SHOW_NCODE_HEADER); |
d62a17ae | 11220 | vty_out(vty, BGP_SHOW_OCODE_HEADER); |
11221 | ||
07d0c4ed DA |
11222 | vty_out(vty, "Originating default network %s\n\n", |
11223 | (afi == AFI_IP) ? "0.0.0.0/0" : "::/0"); | |
d62a17ae | 11224 | } |
11225 | header1 = 0; | |
11226 | } | |
a636c635 | 11227 | |
d62a17ae | 11228 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
6392aaa6 PM |
11229 | if (type == bgp_show_adj_route_received |
11230 | || type == bgp_show_adj_route_filtered) { | |
d62a17ae | 11231 | for (ain = rn->adj_in; ain; ain = ain->next) { |
05864da7 | 11232 | if (ain->peer != peer) |
ea47320b | 11233 | continue; |
6392aaa6 | 11234 | |
ea47320b DL |
11235 | if (header1) { |
11236 | if (use_json) { | |
11237 | json_object_int_add( | |
60466a63 | 11238 | json, "bgpTableVersion", |
ea47320b DL |
11239 | 0); |
11240 | json_object_string_add( | |
11241 | json, | |
11242 | "bgpLocalRouterId", | |
11243 | inet_ntoa( | |
11244 | bgp->router_id)); | |
01eced22 AD |
11245 | json_object_int_add(json, |
11246 | "defaultLocPrf", | |
11247 | bgp->default_local_pref); | |
11248 | json_object_int_add(json, | |
11249 | "localAS", bgp->as); | |
ea47320b | 11250 | json_object_object_add( |
60466a63 | 11251 | json, "bgpStatusCodes", |
ea47320b DL |
11252 | json_scode); |
11253 | json_object_object_add( | |
60466a63 | 11254 | json, "bgpOriginCodes", |
ea47320b DL |
11255 | json_ocode); |
11256 | } else { | |
11257 | vty_out(vty, | |
9df8b37c | 11258 | "BGP table version is 0, local router ID is %s, vrf id ", |
ea47320b | 11259 | inet_ntoa( |
9df8b37c PZ |
11260 | bgp->router_id)); |
11261 | if (bgp->vrf_id == VRF_UNKNOWN) | |
11262 | vty_out(vty, "%s", | |
11263 | VRFID_NONE_STR); | |
11264 | else | |
11265 | vty_out(vty, "%u", | |
11266 | bgp->vrf_id); | |
11267 | vty_out(vty, "\n"); | |
01eced22 AD |
11268 | vty_out(vty, |
11269 | "Default local pref %u, ", | |
11270 | bgp->default_local_pref); | |
11271 | vty_out(vty, "local AS %u\n", | |
11272 | bgp->as); | |
ea47320b DL |
11273 | vty_out(vty, |
11274 | BGP_SHOW_SCODE_HEADER); | |
9df8b37c PZ |
11275 | vty_out(vty, |
11276 | BGP_SHOW_NCODE_HEADER); | |
ea47320b DL |
11277 | vty_out(vty, |
11278 | BGP_SHOW_OCODE_HEADER); | |
d62a17ae | 11279 | } |
ea47320b DL |
11280 | header1 = 0; |
11281 | } | |
11282 | if (header2) { | |
11283 | if (!use_json) | |
11284 | vty_out(vty, BGP_SHOW_HEADER); | |
11285 | header2 = 0; | |
11286 | } | |
6392aaa6 PM |
11287 | |
11288 | bgp_attr_dup(&attr, ain->attr); | |
f99def61 AD |
11289 | route_filtered = false; |
11290 | ||
11291 | /* Filter prefix using distribute list, | |
11292 | * filter list or prefix list | |
11293 | */ | |
11294 | if ((bgp_input_filter(peer, &rn->p, &attr, afi, | |
11295 | safi)) == FILTER_DENY) | |
11296 | route_filtered = true; | |
11297 | ||
11298 | /* Filter prefix using route-map */ | |
6392aaa6 | 11299 | ret = bgp_input_modifier(peer, &rn->p, &attr, |
82b692c0 | 11300 | afi, safi, rmap_name, NULL, 0); |
6392aaa6 | 11301 | |
13c8e163 AD |
11302 | if (type == bgp_show_adj_route_filtered && |
11303 | !route_filtered && ret != RMAP_DENY) { | |
b755861b | 11304 | bgp_attr_undup(&attr, ain->attr); |
6392aaa6 | 11305 | continue; |
d62a17ae | 11306 | } |
6392aaa6 | 11307 | |
13c8e163 AD |
11308 | if (type == bgp_show_adj_route_received && |
11309 | (route_filtered || ret == RMAP_DENY)) | |
6392aaa6 PM |
11310 | filtered_count++; |
11311 | ||
11312 | route_vty_out_tmp(vty, &rn->p, &attr, safi, | |
11313 | use_json, json_ar); | |
b755861b | 11314 | bgp_attr_undup(&attr, ain->attr); |
6392aaa6 | 11315 | output_count++; |
d62a17ae | 11316 | } |
6392aaa6 | 11317 | } else if (type == bgp_show_adj_route_advertised) { |
a79c04e7 | 11318 | RB_FOREACH (adj, bgp_adj_out_rb, &rn->adj_out) |
924c3f6a | 11319 | SUBGRP_FOREACH_PEER (adj->subgroup, paf) { |
b755861b | 11320 | if (paf->peer != peer || !adj->attr) |
924c3f6a | 11321 | continue; |
d62a17ae | 11322 | |
924c3f6a DS |
11323 | if (header1) { |
11324 | if (use_json) { | |
11325 | json_object_int_add( | |
11326 | json, | |
11327 | "bgpTableVersion", | |
11328 | table->version); | |
11329 | json_object_string_add( | |
11330 | json, | |
11331 | "bgpLocalRouterId", | |
11332 | inet_ntoa( | |
11333 | bgp->router_id)); | |
01eced22 AD |
11334 | json_object_int_add( |
11335 | json, "defaultLocPrf", | |
11336 | bgp->default_local_pref | |
11337 | ); | |
11338 | json_object_int_add( | |
11339 | json, "localAS", | |
11340 | bgp->as); | |
924c3f6a DS |
11341 | json_object_object_add( |
11342 | json, | |
11343 | "bgpStatusCodes", | |
11344 | json_scode); | |
11345 | json_object_object_add( | |
11346 | json, | |
11347 | "bgpOriginCodes", | |
11348 | json_ocode); | |
11349 | } else { | |
11350 | vty_out(vty, | |
11351 | "BGP table version is %" PRIu64 | |
9df8b37c | 11352 | ", local router ID is %s, vrf id ", |
924c3f6a DS |
11353 | table->version, |
11354 | inet_ntoa( | |
11355 | bgp->router_id)); | |
9df8b37c PZ |
11356 | if (bgp->vrf_id == |
11357 | VRF_UNKNOWN) | |
11358 | vty_out(vty, | |
11359 | "%s", | |
11360 | VRFID_NONE_STR); | |
11361 | else | |
11362 | vty_out(vty, | |
11363 | "%u", | |
11364 | bgp->vrf_id); | |
11365 | vty_out(vty, "\n"); | |
01eced22 AD |
11366 | vty_out(vty, |
11367 | "Default local pref %u, ", | |
11368 | bgp->default_local_pref | |
11369 | ); | |
11370 | vty_out(vty, | |
11371 | "local AS %u\n", | |
11372 | bgp->as); | |
924c3f6a DS |
11373 | vty_out(vty, |
11374 | BGP_SHOW_SCODE_HEADER); | |
9df8b37c PZ |
11375 | vty_out(vty, |
11376 | BGP_SHOW_NCODE_HEADER); | |
924c3f6a DS |
11377 | vty_out(vty, |
11378 | BGP_SHOW_OCODE_HEADER); | |
a2addae8 | 11379 | } |
924c3f6a DS |
11380 | header1 = 0; |
11381 | } | |
924c3f6a DS |
11382 | if (header2) { |
11383 | if (!use_json) | |
11384 | vty_out(vty, | |
11385 | BGP_SHOW_HEADER); | |
11386 | header2 = 0; | |
11387 | } | |
d62a17ae | 11388 | |
b755861b PM |
11389 | bgp_attr_dup(&attr, adj->attr); |
11390 | ret = bgp_output_modifier( | |
11391 | peer, &rn->p, &attr, afi, safi, | |
11392 | rmap_name); | |
f46d8e1e | 11393 | |
b755861b PM |
11394 | if (ret != RMAP_DENY) { |
11395 | route_vty_out_tmp(vty, &rn->p, | |
11396 | &attr, safi, | |
11397 | use_json, | |
11398 | json_ar); | |
11399 | output_count++; | |
11400 | } else { | |
11401 | filtered_count++; | |
a2addae8 | 11402 | } |
b755861b PM |
11403 | |
11404 | bgp_attr_undup(&attr, adj->attr); | |
924c3f6a | 11405 | } |
d62a17ae | 11406 | } |
11407 | } | |
d62a17ae | 11408 | |
d62a17ae | 11409 | if (use_json) { |
6392aaa6 PM |
11410 | json_object_object_add(json, "advertisedRoutes", json_ar); |
11411 | json_object_int_add(json, "totalPrefixCounter", output_count); | |
11412 | json_object_int_add(json, "filteredPrefixCounter", | |
11413 | filtered_count); | |
11414 | ||
996c9314 LB |
11415 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
11416 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 11417 | json_object_free(json); |
6392aaa6 PM |
11418 | } else if (output_count > 0) { |
11419 | if (filtered_count > 0) | |
11420 | vty_out(vty, | |
11421 | "\nTotal number of prefixes %ld (%ld filtered)\n", | |
11422 | output_count, filtered_count); | |
11423 | else | |
11424 | vty_out(vty, "\nTotal number of prefixes %ld\n", | |
11425 | output_count); | |
d62a17ae | 11426 | } |
a636c635 | 11427 | } |
2a71e9ce | 11428 | |
d62a17ae | 11429 | static int peer_adj_routes(struct vty *vty, struct peer *peer, afi_t afi, |
6392aaa6 | 11430 | safi_t safi, enum bgp_show_adj_route_type type, |
9f049418 | 11431 | const char *rmap_name, bool use_json) |
0b16f239 | 11432 | { |
d62a17ae | 11433 | json_object *json = NULL; |
0b16f239 | 11434 | |
d62a17ae | 11435 | if (use_json) |
11436 | json = json_object_new_object(); | |
0b16f239 | 11437 | |
d62a17ae | 11438 | if (!peer || !peer->afc[afi][safi]) { |
11439 | if (use_json) { | |
11440 | json_object_string_add( | |
11441 | json, "warning", | |
11442 | "No such neighbor or address family"); | |
11443 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11444 | json_object_free(json); | |
11445 | } else | |
11446 | vty_out(vty, "%% No such neighbor or address family\n"); | |
0b16f239 | 11447 | |
d62a17ae | 11448 | return CMD_WARNING; |
11449 | } | |
11450 | ||
6392aaa6 PM |
11451 | if ((type == bgp_show_adj_route_received |
11452 | || type == bgp_show_adj_route_filtered) | |
d62a17ae | 11453 | && !CHECK_FLAG(peer->af_flags[afi][safi], |
11454 | PEER_FLAG_SOFT_RECONFIG)) { | |
11455 | if (use_json) { | |
11456 | json_object_string_add( | |
11457 | json, "warning", | |
11458 | "Inbound soft reconfiguration not enabled"); | |
11459 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11460 | json_object_free(json); | |
11461 | } else | |
11462 | vty_out(vty, | |
11463 | "%% Inbound soft reconfiguration not enabled\n"); | |
11464 | ||
11465 | return CMD_WARNING; | |
11466 | } | |
0b16f239 | 11467 | |
6392aaa6 | 11468 | show_adj_route(vty, peer, afi, safi, type, rmap_name, use_json, json); |
0b16f239 | 11469 | |
d62a17ae | 11470 | return CMD_SUCCESS; |
a636c635 | 11471 | } |
50ef26d4 | 11472 | |
a636c635 DW |
11473 | DEFUN (show_ip_bgp_instance_neighbor_advertised_route, |
11474 | show_ip_bgp_instance_neighbor_advertised_route_cmd, | |
4dd6177e | 11475 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] " |
6392aaa6 | 11476 | "neighbors <A.B.C.D|X:X::X:X|WORD> <advertised-routes|received-routes|filtered-routes> [route-map WORD] [json]", |
718e3744 | 11477 | SHOW_STR |
11478 | IP_STR | |
11479 | BGP_STR | |
a636c635 | 11480 | BGP_INSTANCE_HELP_STR |
7395a2c9 | 11481 | BGP_AFI_HELP_STR |
4dd6177e | 11482 | BGP_SAFI_WITH_LABEL_HELP_STR |
718e3744 | 11483 | "Detailed information on TCP and BGP neighbor connections\n" |
11484 | "Neighbor to display information about\n" | |
11485 | "Neighbor to display information about\n" | |
91d37724 | 11486 | "Neighbor on BGP configured interface\n" |
a636c635 | 11487 | "Display the routes advertised to a BGP neighbor\n" |
6392aaa6 PM |
11488 | "Display the received routes from neighbor\n" |
11489 | "Display the filtered routes received from neighbor\n" | |
a636c635 DW |
11490 | "Route-map to modify the attributes\n" |
11491 | "Name of the route map\n" | |
9973d184 | 11492 | JSON_STR) |
718e3744 | 11493 | { |
d62a17ae | 11494 | afi_t afi = AFI_IP6; |
11495 | safi_t safi = SAFI_UNICAST; | |
11496 | char *rmap_name = NULL; | |
11497 | char *peerstr = NULL; | |
d62a17ae | 11498 | struct bgp *bgp = NULL; |
11499 | struct peer *peer; | |
6392aaa6 | 11500 | enum bgp_show_adj_route_type type = bgp_show_adj_route_advertised; |
d62a17ae | 11501 | int idx = 0; |
9f049418 | 11502 | bool uj = use_json(argc, argv); |
6392aaa6 | 11503 | |
d62a17ae | 11504 | if (uj) |
11505 | argc--; | |
30a6a167 | 11506 | |
9f049418 DS |
11507 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
11508 | &bgp, uj); | |
11509 | if (!idx) | |
11510 | return CMD_WARNING; | |
11511 | ||
d62a17ae | 11512 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ |
11513 | argv_find(argv, argc, "neighbors", &idx); | |
11514 | peerstr = argv[++idx]->arg; | |
8c3deaae | 11515 | |
d62a17ae | 11516 | peer = peer_lookup_in_view(vty, bgp, peerstr, uj); |
11517 | if (!peer) | |
11518 | return CMD_WARNING; | |
856ca177 | 11519 | |
d62a17ae | 11520 | if (argv_find(argv, argc, "advertised-routes", &idx)) |
6392aaa6 PM |
11521 | type = bgp_show_adj_route_advertised; |
11522 | else if (argv_find(argv, argc, "received-routes", &idx)) | |
11523 | type = bgp_show_adj_route_received; | |
11524 | else if (argv_find(argv, argc, "filtered-routes", &idx)) | |
11525 | type = bgp_show_adj_route_filtered; | |
11526 | ||
d62a17ae | 11527 | if (argv_find(argv, argc, "route-map", &idx)) |
11528 | rmap_name = argv[++idx]->arg; | |
95cbbd2a | 11529 | |
6392aaa6 | 11530 | return peer_adj_routes(vty, peer, afi, safi, type, rmap_name, uj); |
95cbbd2a ML |
11531 | } |
11532 | ||
718e3744 | 11533 | DEFUN (show_ip_bgp_neighbor_received_prefix_filter, |
11534 | show_ip_bgp_neighbor_received_prefix_filter_cmd, | |
8c3deaae | 11535 | "show [ip] bgp [<ipv4|ipv6> [unicast]] neighbors <A.B.C.D|X:X::X:X|WORD> received prefix-filter [json]", |
718e3744 | 11536 | SHOW_STR |
11537 | IP_STR | |
11538 | BGP_STR | |
8c3deaae QY |
11539 | "Address Family\n" |
11540 | "Address Family\n" | |
718e3744 | 11541 | "Address Family modifier\n" |
11542 | "Detailed information on TCP and BGP neighbor connections\n" | |
11543 | "Neighbor to display information about\n" | |
11544 | "Neighbor to display information about\n" | |
91d37724 | 11545 | "Neighbor on BGP configured interface\n" |
718e3744 | 11546 | "Display information received from a BGP neighbor\n" |
856ca177 | 11547 | "Display the prefixlist filter\n" |
9973d184 | 11548 | JSON_STR) |
718e3744 | 11549 | { |
d62a17ae | 11550 | afi_t afi = AFI_IP6; |
11551 | safi_t safi = SAFI_UNICAST; | |
11552 | char *peerstr = NULL; | |
11553 | ||
11554 | char name[BUFSIZ]; | |
11555 | union sockunion su; | |
11556 | struct peer *peer; | |
11557 | int count, ret; | |
11558 | ||
11559 | int idx = 0; | |
11560 | ||
11561 | /* show [ip] bgp */ | |
11562 | if (argv_find(argv, argc, "ip", &idx)) | |
11563 | afi = AFI_IP; | |
11564 | /* [<ipv4|ipv6> [unicast]] */ | |
11565 | if (argv_find(argv, argc, "ipv4", &idx)) | |
11566 | afi = AFI_IP; | |
11567 | if (argv_find(argv, argc, "ipv6", &idx)) | |
11568 | afi = AFI_IP6; | |
11569 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ | |
11570 | argv_find(argv, argc, "neighbors", &idx); | |
11571 | peerstr = argv[++idx]->arg; | |
11572 | ||
9f049418 | 11573 | bool uj = use_json(argc, argv); |
d62a17ae | 11574 | |
11575 | ret = str2sockunion(peerstr, &su); | |
11576 | if (ret < 0) { | |
11577 | peer = peer_lookup_by_conf_if(NULL, peerstr); | |
11578 | if (!peer) { | |
11579 | if (uj) | |
11580 | vty_out(vty, "{}\n"); | |
11581 | else | |
11582 | vty_out(vty, | |
11583 | "%% Malformed address or name: %s\n", | |
11584 | peerstr); | |
11585 | return CMD_WARNING; | |
11586 | } | |
11587 | } else { | |
11588 | peer = peer_lookup(NULL, &su); | |
11589 | if (!peer) { | |
11590 | if (uj) | |
11591 | vty_out(vty, "{}\n"); | |
11592 | else | |
11593 | vty_out(vty, "No peer\n"); | |
11594 | return CMD_WARNING; | |
11595 | } | |
11596 | } | |
718e3744 | 11597 | |
d62a17ae | 11598 | sprintf(name, "%s.%d.%d", peer->host, afi, safi); |
11599 | count = prefix_bgp_show_prefix_list(NULL, afi, name, uj); | |
11600 | if (count) { | |
11601 | if (!uj) | |
11602 | vty_out(vty, "Address Family: %s\n", | |
5cb5f4d0 | 11603 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 11604 | prefix_bgp_show_prefix_list(vty, afi, name, uj); |
11605 | } else { | |
11606 | if (uj) | |
11607 | vty_out(vty, "{}\n"); | |
11608 | else | |
11609 | vty_out(vty, "No functional output\n"); | |
11610 | } | |
718e3744 | 11611 | |
d62a17ae | 11612 | return CMD_SUCCESS; |
11613 | } | |
11614 | ||
11615 | static int bgp_show_neighbor_route(struct vty *vty, struct peer *peer, | |
11616 | afi_t afi, safi_t safi, | |
9f049418 | 11617 | enum bgp_show_type type, bool use_json) |
d62a17ae | 11618 | { |
8a893163 DW |
11619 | /* labeled-unicast routes live in the unicast table */ |
11620 | if (safi == SAFI_LABELED_UNICAST) | |
11621 | safi = SAFI_UNICAST; | |
11622 | ||
d62a17ae | 11623 | if (!peer || !peer->afc[afi][safi]) { |
11624 | if (use_json) { | |
11625 | json_object *json_no = NULL; | |
11626 | json_no = json_object_new_object(); | |
11627 | json_object_string_add( | |
11628 | json_no, "warning", | |
11629 | "No such neighbor or address family"); | |
11630 | vty_out(vty, "%s\n", | |
11631 | json_object_to_json_string(json_no)); | |
11632 | json_object_free(json_no); | |
11633 | } else | |
11634 | vty_out(vty, "%% No such neighbor or address family\n"); | |
11635 | return CMD_WARNING; | |
11636 | } | |
47fc97cc | 11637 | |
d62a17ae | 11638 | return bgp_show(vty, peer->bgp, afi, safi, type, &peer->su, use_json); |
718e3744 | 11639 | } |
11640 | ||
dba3c1d3 PG |
11641 | DEFUN (show_ip_bgp_flowspec_routes_detailed, |
11642 | show_ip_bgp_flowspec_routes_detailed_cmd, | |
11643 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" flowspec] detail [json]", | |
11644 | SHOW_STR | |
11645 | IP_STR | |
11646 | BGP_STR | |
11647 | BGP_INSTANCE_HELP_STR | |
11648 | BGP_AFI_HELP_STR | |
11649 | "SAFI Flowspec\n" | |
11650 | "Detailed information on flowspec entries\n" | |
11651 | JSON_STR) | |
11652 | { | |
11653 | afi_t afi = AFI_IP; | |
11654 | safi_t safi = SAFI_UNICAST; | |
11655 | struct bgp *bgp = NULL; | |
11656 | int idx = 0; | |
9f049418 DS |
11657 | bool uj = use_json(argc, argv); |
11658 | ||
11659 | if (uj) | |
11660 | argc--; | |
dba3c1d3 PG |
11661 | |
11662 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 11663 | &bgp, uj); |
dba3c1d3 PG |
11664 | if (!idx) |
11665 | return CMD_WARNING; | |
11666 | ||
9f049418 | 11667 | return bgp_show(vty, bgp, afi, safi, bgp_show_type_detail, NULL, uj); |
dba3c1d3 PG |
11668 | } |
11669 | ||
718e3744 | 11670 | DEFUN (show_ip_bgp_neighbor_routes, |
11671 | show_ip_bgp_neighbor_routes_cmd, | |
4dd6177e | 11672 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] " |
30a6a167 | 11673 | "neighbors <A.B.C.D|X:X::X:X|WORD> <flap-statistics|dampened-routes|routes> [json]", |
50ef26d4 | 11674 | SHOW_STR |
11675 | IP_STR | |
11676 | BGP_STR | |
8386ac43 | 11677 | BGP_INSTANCE_HELP_STR |
4f280b15 | 11678 | BGP_AFI_HELP_STR |
4dd6177e | 11679 | BGP_SAFI_WITH_LABEL_HELP_STR |
718e3744 | 11680 | "Detailed information on TCP and BGP neighbor connections\n" |
11681 | "Neighbor to display information about\n" | |
11682 | "Neighbor to display information about\n" | |
91d37724 | 11683 | "Neighbor on BGP configured interface\n" |
2525cf39 | 11684 | "Display flap statistics of the routes learned from neighbor\n" |
8c3deaae QY |
11685 | "Display the dampened routes received from neighbor\n" |
11686 | "Display routes learned from neighbor\n" | |
9973d184 | 11687 | JSON_STR) |
718e3744 | 11688 | { |
d62a17ae | 11689 | char *peerstr = NULL; |
11690 | struct bgp *bgp = NULL; | |
11691 | afi_t afi = AFI_IP6; | |
11692 | safi_t safi = SAFI_UNICAST; | |
11693 | struct peer *peer; | |
11694 | enum bgp_show_type sh_type = bgp_show_type_neighbor; | |
d62a17ae | 11695 | int idx = 0; |
9f049418 DS |
11696 | bool uj = use_json(argc, argv); |
11697 | ||
11698 | if (uj) | |
11699 | argc--; | |
bb46e94f | 11700 | |
d62a17ae | 11701 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 11702 | &bgp, uj); |
d62a17ae | 11703 | if (!idx) |
11704 | return CMD_WARNING; | |
c493f2d8 | 11705 | |
d62a17ae | 11706 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ |
11707 | argv_find(argv, argc, "neighbors", &idx); | |
11708 | peerstr = argv[++idx]->arg; | |
8c3deaae | 11709 | |
d62a17ae | 11710 | peer = peer_lookup_in_view(vty, bgp, peerstr, uj); |
9e6e6f46 | 11711 | if (!peer) |
d62a17ae | 11712 | return CMD_WARNING; |
bb46e94f | 11713 | |
d62a17ae | 11714 | if (argv_find(argv, argc, "flap-statistics", &idx)) |
11715 | sh_type = bgp_show_type_flap_neighbor; | |
11716 | else if (argv_find(argv, argc, "dampened-routes", &idx)) | |
11717 | sh_type = bgp_show_type_damp_neighbor; | |
11718 | else if (argv_find(argv, argc, "routes", &idx)) | |
11719 | sh_type = bgp_show_type_neighbor; | |
2525cf39 | 11720 | |
d62a17ae | 11721 | return bgp_show_neighbor_route(vty, peer, afi, safi, sh_type, uj); |
50ef26d4 | 11722 | } |
6b0655a2 | 11723 | |
734b349e | 11724 | struct bgp_table *bgp_distance_table[AFI_MAX][SAFI_MAX]; |
718e3744 | 11725 | |
d62a17ae | 11726 | struct bgp_distance { |
11727 | /* Distance value for the IP source prefix. */ | |
d7c0a89a | 11728 | uint8_t distance; |
718e3744 | 11729 | |
d62a17ae | 11730 | /* Name of the access-list to be matched. */ |
11731 | char *access_list; | |
718e3744 | 11732 | }; |
11733 | ||
4f280b15 LB |
11734 | DEFUN (show_bgp_afi_vpn_rd_route, |
11735 | show_bgp_afi_vpn_rd_route_cmd, | |
d114b977 | 11736 | "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 |
11737 | SHOW_STR |
11738 | BGP_STR | |
11739 | BGP_AFI_HELP_STR | |
11740 | "Address Family modifier\n" | |
11741 | "Display information for a route distinguisher\n" | |
11742 | "Route Distinguisher\n" | |
7395a2c9 DS |
11743 | "Network in the BGP routing table to display\n" |
11744 | "Network in the BGP routing table to display\n" | |
11745 | JSON_STR) | |
4f280b15 | 11746 | { |
d62a17ae | 11747 | int ret; |
11748 | struct prefix_rd prd; | |
11749 | afi_t afi = AFI_MAX; | |
11750 | int idx = 0; | |
4f280b15 | 11751 | |
ff6566f3 DS |
11752 | if (!argv_find_and_parse_afi(argv, argc, &idx, &afi)) { |
11753 | vty_out(vty, "%% Malformed Address Family\n"); | |
11754 | return CMD_WARNING; | |
11755 | } | |
11756 | ||
d62a17ae | 11757 | ret = str2prefix_rd(argv[5]->arg, &prd); |
11758 | if (!ret) { | |
11759 | vty_out(vty, "%% Malformed Route Distinguisher\n"); | |
11760 | return CMD_WARNING; | |
11761 | } | |
ff6566f3 | 11762 | |
d62a17ae | 11763 | return bgp_show_route(vty, NULL, argv[6]->arg, afi, SAFI_MPLS_VPN, &prd, |
360660c6 | 11764 | 0, BGP_PATH_SHOW_ALL, use_json(argc, argv)); |
4f280b15 LB |
11765 | } |
11766 | ||
d62a17ae | 11767 | static struct bgp_distance *bgp_distance_new(void) |
718e3744 | 11768 | { |
d62a17ae | 11769 | return XCALLOC(MTYPE_BGP_DISTANCE, sizeof(struct bgp_distance)); |
718e3744 | 11770 | } |
11771 | ||
d62a17ae | 11772 | static void bgp_distance_free(struct bgp_distance *bdistance) |
718e3744 | 11773 | { |
d62a17ae | 11774 | XFREE(MTYPE_BGP_DISTANCE, bdistance); |
718e3744 | 11775 | } |
11776 | ||
d62a17ae | 11777 | static int bgp_distance_set(struct vty *vty, const char *distance_str, |
11778 | const char *ip_str, const char *access_list_str) | |
718e3744 | 11779 | { |
d62a17ae | 11780 | int ret; |
11781 | afi_t afi; | |
11782 | safi_t safi; | |
11783 | struct prefix p; | |
d7c0a89a | 11784 | uint8_t distance; |
d62a17ae | 11785 | struct bgp_node *rn; |
11786 | struct bgp_distance *bdistance; | |
718e3744 | 11787 | |
d62a17ae | 11788 | afi = bgp_node_afi(vty); |
11789 | safi = bgp_node_safi(vty); | |
734b349e | 11790 | |
d62a17ae | 11791 | ret = str2prefix(ip_str, &p); |
11792 | if (ret == 0) { | |
11793 | vty_out(vty, "Malformed prefix\n"); | |
11794 | return CMD_WARNING_CONFIG_FAILED; | |
11795 | } | |
718e3744 | 11796 | |
d62a17ae | 11797 | distance = atoi(distance_str); |
718e3744 | 11798 | |
d62a17ae | 11799 | /* Get BGP distance node. */ |
11800 | rn = bgp_node_get(bgp_distance_table[afi][safi], (struct prefix *)&p); | |
5b00b40e | 11801 | bdistance = bgp_node_get_bgp_distance_info(rn); |
ca2e160d | 11802 | if (bdistance) |
d62a17ae | 11803 | bgp_unlock_node(rn); |
ca2e160d | 11804 | else { |
d62a17ae | 11805 | bdistance = bgp_distance_new(); |
5b00b40e | 11806 | bgp_node_set_bgp_distance_info(rn, bdistance); |
d62a17ae | 11807 | } |
718e3744 | 11808 | |
d62a17ae | 11809 | /* Set distance value. */ |
11810 | bdistance->distance = distance; | |
718e3744 | 11811 | |
d62a17ae | 11812 | /* Reset access-list configuration. */ |
11813 | if (bdistance->access_list) { | |
11814 | XFREE(MTYPE_AS_LIST, bdistance->access_list); | |
11815 | bdistance->access_list = NULL; | |
11816 | } | |
11817 | if (access_list_str) | |
11818 | bdistance->access_list = | |
11819 | XSTRDUP(MTYPE_AS_LIST, access_list_str); | |
718e3744 | 11820 | |
d62a17ae | 11821 | return CMD_SUCCESS; |
718e3744 | 11822 | } |
11823 | ||
d62a17ae | 11824 | static int bgp_distance_unset(struct vty *vty, const char *distance_str, |
11825 | const char *ip_str, const char *access_list_str) | |
718e3744 | 11826 | { |
d62a17ae | 11827 | int ret; |
11828 | afi_t afi; | |
11829 | safi_t safi; | |
11830 | struct prefix p; | |
11831 | int distance; | |
11832 | struct bgp_node *rn; | |
11833 | struct bgp_distance *bdistance; | |
718e3744 | 11834 | |
d62a17ae | 11835 | afi = bgp_node_afi(vty); |
11836 | safi = bgp_node_safi(vty); | |
734b349e | 11837 | |
d62a17ae | 11838 | ret = str2prefix(ip_str, &p); |
11839 | if (ret == 0) { | |
11840 | vty_out(vty, "Malformed prefix\n"); | |
11841 | return CMD_WARNING_CONFIG_FAILED; | |
11842 | } | |
718e3744 | 11843 | |
d62a17ae | 11844 | rn = bgp_node_lookup(bgp_distance_table[afi][safi], |
11845 | (struct prefix *)&p); | |
11846 | if (!rn) { | |
11847 | vty_out(vty, "Can't find specified prefix\n"); | |
11848 | return CMD_WARNING_CONFIG_FAILED; | |
11849 | } | |
718e3744 | 11850 | |
5b00b40e | 11851 | bdistance = bgp_node_get_bgp_distance_info(rn); |
d62a17ae | 11852 | distance = atoi(distance_str); |
1f9a9fff | 11853 | |
d62a17ae | 11854 | if (bdistance->distance != distance) { |
11855 | vty_out(vty, "Distance does not match configured\n"); | |
11856 | return CMD_WARNING_CONFIG_FAILED; | |
11857 | } | |
718e3744 | 11858 | |
0a22ddfb | 11859 | XFREE(MTYPE_AS_LIST, bdistance->access_list); |
d62a17ae | 11860 | bgp_distance_free(bdistance); |
718e3744 | 11861 | |
6f94b685 | 11862 | bgp_node_set_bgp_path_info(rn, NULL); |
d62a17ae | 11863 | bgp_unlock_node(rn); |
11864 | bgp_unlock_node(rn); | |
718e3744 | 11865 | |
d62a17ae | 11866 | return CMD_SUCCESS; |
718e3744 | 11867 | } |
11868 | ||
718e3744 | 11869 | /* Apply BGP information to distance method. */ |
40381db7 | 11870 | uint8_t bgp_distance_apply(struct prefix *p, struct bgp_path_info *pinfo, |
4b7e6066 | 11871 | afi_t afi, safi_t safi, struct bgp *bgp) |
d62a17ae | 11872 | { |
11873 | struct bgp_node *rn; | |
11874 | struct prefix q; | |
11875 | struct peer *peer; | |
11876 | struct bgp_distance *bdistance; | |
11877 | struct access_list *alist; | |
11878 | struct bgp_static *bgp_static; | |
11879 | ||
11880 | if (!bgp) | |
11881 | return 0; | |
11882 | ||
40381db7 | 11883 | peer = pinfo->peer; |
d62a17ae | 11884 | |
7b7d48e5 DS |
11885 | if (pinfo->attr->distance) |
11886 | return pinfo->attr->distance; | |
11887 | ||
d62a17ae | 11888 | /* Check source address. */ |
11889 | sockunion2hostprefix(&peer->su, &q); | |
11890 | rn = bgp_node_match(bgp_distance_table[afi][safi], &q); | |
11891 | if (rn) { | |
5b00b40e | 11892 | bdistance = bgp_node_get_bgp_distance_info(rn); |
d62a17ae | 11893 | bgp_unlock_node(rn); |
11894 | ||
11895 | if (bdistance->access_list) { | |
11896 | alist = access_list_lookup(afi, bdistance->access_list); | |
11897 | if (alist | |
11898 | && access_list_apply(alist, p) == FILTER_PERMIT) | |
11899 | return bdistance->distance; | |
11900 | } else | |
11901 | return bdistance->distance; | |
718e3744 | 11902 | } |
718e3744 | 11903 | |
d62a17ae | 11904 | /* Backdoor check. */ |
11905 | rn = bgp_node_lookup(bgp->route[afi][safi], p); | |
11906 | if (rn) { | |
5a8ba9fc | 11907 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 11908 | bgp_unlock_node(rn); |
718e3744 | 11909 | |
d62a17ae | 11910 | if (bgp_static->backdoor) { |
11911 | if (bgp->distance_local[afi][safi]) | |
11912 | return bgp->distance_local[afi][safi]; | |
11913 | else | |
11914 | return ZEBRA_IBGP_DISTANCE_DEFAULT; | |
11915 | } | |
718e3744 | 11916 | } |
718e3744 | 11917 | |
d62a17ae | 11918 | if (peer->sort == BGP_PEER_EBGP) { |
11919 | if (bgp->distance_ebgp[afi][safi]) | |
11920 | return bgp->distance_ebgp[afi][safi]; | |
11921 | return ZEBRA_EBGP_DISTANCE_DEFAULT; | |
11922 | } else { | |
11923 | if (bgp->distance_ibgp[afi][safi]) | |
11924 | return bgp->distance_ibgp[afi][safi]; | |
11925 | return ZEBRA_IBGP_DISTANCE_DEFAULT; | |
11926 | } | |
718e3744 | 11927 | } |
11928 | ||
11929 | DEFUN (bgp_distance, | |
11930 | bgp_distance_cmd, | |
6147e2c6 | 11931 | "distance bgp (1-255) (1-255) (1-255)", |
718e3744 | 11932 | "Define an administrative distance\n" |
11933 | "BGP distance\n" | |
11934 | "Distance for routes external to the AS\n" | |
11935 | "Distance for routes internal to the AS\n" | |
11936 | "Distance for local routes\n") | |
11937 | { | |
d62a17ae | 11938 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
11939 | int idx_number = 2; | |
11940 | int idx_number_2 = 3; | |
11941 | int idx_number_3 = 4; | |
11942 | afi_t afi; | |
11943 | safi_t safi; | |
718e3744 | 11944 | |
d62a17ae | 11945 | afi = bgp_node_afi(vty); |
11946 | safi = bgp_node_safi(vty); | |
718e3744 | 11947 | |
d62a17ae | 11948 | bgp->distance_ebgp[afi][safi] = atoi(argv[idx_number]->arg); |
11949 | bgp->distance_ibgp[afi][safi] = atoi(argv[idx_number_2]->arg); | |
11950 | bgp->distance_local[afi][safi] = atoi(argv[idx_number_3]->arg); | |
11951 | return CMD_SUCCESS; | |
718e3744 | 11952 | } |
11953 | ||
11954 | DEFUN (no_bgp_distance, | |
11955 | no_bgp_distance_cmd, | |
a636c635 | 11956 | "no distance bgp [(1-255) (1-255) (1-255)]", |
718e3744 | 11957 | NO_STR |
11958 | "Define an administrative distance\n" | |
11959 | "BGP distance\n" | |
11960 | "Distance for routes external to the AS\n" | |
11961 | "Distance for routes internal to the AS\n" | |
11962 | "Distance for local routes\n") | |
11963 | { | |
d62a17ae | 11964 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
11965 | afi_t afi; | |
11966 | safi_t safi; | |
718e3744 | 11967 | |
d62a17ae | 11968 | afi = bgp_node_afi(vty); |
11969 | safi = bgp_node_safi(vty); | |
718e3744 | 11970 | |
d62a17ae | 11971 | bgp->distance_ebgp[afi][safi] = 0; |
11972 | bgp->distance_ibgp[afi][safi] = 0; | |
11973 | bgp->distance_local[afi][safi] = 0; | |
11974 | return CMD_SUCCESS; | |
718e3744 | 11975 | } |
11976 | ||
718e3744 | 11977 | |
11978 | DEFUN (bgp_distance_source, | |
11979 | bgp_distance_source_cmd, | |
6147e2c6 | 11980 | "distance (1-255) A.B.C.D/M", |
718e3744 | 11981 | "Define an administrative distance\n" |
11982 | "Administrative distance\n" | |
11983 | "IP source prefix\n") | |
11984 | { | |
d62a17ae | 11985 | int idx_number = 1; |
11986 | int idx_ipv4_prefixlen = 2; | |
11987 | bgp_distance_set(vty, argv[idx_number]->arg, | |
11988 | argv[idx_ipv4_prefixlen]->arg, NULL); | |
11989 | return CMD_SUCCESS; | |
718e3744 | 11990 | } |
11991 | ||
11992 | DEFUN (no_bgp_distance_source, | |
11993 | no_bgp_distance_source_cmd, | |
6147e2c6 | 11994 | "no distance (1-255) A.B.C.D/M", |
718e3744 | 11995 | NO_STR |
11996 | "Define an administrative distance\n" | |
11997 | "Administrative distance\n" | |
11998 | "IP source prefix\n") | |
11999 | { | |
d62a17ae | 12000 | int idx_number = 2; |
12001 | int idx_ipv4_prefixlen = 3; | |
12002 | bgp_distance_unset(vty, argv[idx_number]->arg, | |
12003 | argv[idx_ipv4_prefixlen]->arg, NULL); | |
12004 | return CMD_SUCCESS; | |
718e3744 | 12005 | } |
12006 | ||
12007 | DEFUN (bgp_distance_source_access_list, | |
12008 | bgp_distance_source_access_list_cmd, | |
6147e2c6 | 12009 | "distance (1-255) A.B.C.D/M WORD", |
718e3744 | 12010 | "Define an administrative distance\n" |
12011 | "Administrative distance\n" | |
12012 | "IP source prefix\n" | |
12013 | "Access list name\n") | |
12014 | { | |
d62a17ae | 12015 | int idx_number = 1; |
12016 | int idx_ipv4_prefixlen = 2; | |
12017 | int idx_word = 3; | |
12018 | bgp_distance_set(vty, argv[idx_number]->arg, | |
12019 | argv[idx_ipv4_prefixlen]->arg, argv[idx_word]->arg); | |
12020 | return CMD_SUCCESS; | |
718e3744 | 12021 | } |
12022 | ||
12023 | DEFUN (no_bgp_distance_source_access_list, | |
12024 | no_bgp_distance_source_access_list_cmd, | |
6147e2c6 | 12025 | "no distance (1-255) A.B.C.D/M WORD", |
718e3744 | 12026 | NO_STR |
12027 | "Define an administrative distance\n" | |
12028 | "Administrative distance\n" | |
12029 | "IP source prefix\n" | |
12030 | "Access list name\n") | |
12031 | { | |
d62a17ae | 12032 | int idx_number = 2; |
12033 | int idx_ipv4_prefixlen = 3; | |
12034 | int idx_word = 4; | |
12035 | bgp_distance_unset(vty, argv[idx_number]->arg, | |
12036 | argv[idx_ipv4_prefixlen]->arg, argv[idx_word]->arg); | |
12037 | return CMD_SUCCESS; | |
718e3744 | 12038 | } |
6b0655a2 | 12039 | |
734b349e MZ |
12040 | DEFUN (ipv6_bgp_distance_source, |
12041 | ipv6_bgp_distance_source_cmd, | |
39e92c06 | 12042 | "distance (1-255) X:X::X:X/M", |
734b349e MZ |
12043 | "Define an administrative distance\n" |
12044 | "Administrative distance\n" | |
12045 | "IP source prefix\n") | |
12046 | { | |
d62a17ae | 12047 | bgp_distance_set(vty, argv[1]->arg, argv[2]->arg, NULL); |
12048 | return CMD_SUCCESS; | |
734b349e MZ |
12049 | } |
12050 | ||
12051 | DEFUN (no_ipv6_bgp_distance_source, | |
12052 | no_ipv6_bgp_distance_source_cmd, | |
39e92c06 | 12053 | "no distance (1-255) X:X::X:X/M", |
734b349e MZ |
12054 | NO_STR |
12055 | "Define an administrative distance\n" | |
12056 | "Administrative distance\n" | |
12057 | "IP source prefix\n") | |
12058 | { | |
d62a17ae | 12059 | bgp_distance_unset(vty, argv[2]->arg, argv[3]->arg, NULL); |
12060 | return CMD_SUCCESS; | |
734b349e MZ |
12061 | } |
12062 | ||
12063 | DEFUN (ipv6_bgp_distance_source_access_list, | |
12064 | ipv6_bgp_distance_source_access_list_cmd, | |
39e92c06 | 12065 | "distance (1-255) X:X::X:X/M WORD", |
734b349e MZ |
12066 | "Define an administrative distance\n" |
12067 | "Administrative distance\n" | |
12068 | "IP source prefix\n" | |
12069 | "Access list name\n") | |
12070 | { | |
d62a17ae | 12071 | bgp_distance_set(vty, argv[1]->arg, argv[2]->arg, argv[3]->arg); |
12072 | return CMD_SUCCESS; | |
734b349e MZ |
12073 | } |
12074 | ||
12075 | DEFUN (no_ipv6_bgp_distance_source_access_list, | |
12076 | no_ipv6_bgp_distance_source_access_list_cmd, | |
39e92c06 | 12077 | "no distance (1-255) X:X::X:X/M WORD", |
734b349e MZ |
12078 | NO_STR |
12079 | "Define an administrative distance\n" | |
12080 | "Administrative distance\n" | |
12081 | "IP source prefix\n" | |
12082 | "Access list name\n") | |
12083 | { | |
d62a17ae | 12084 | bgp_distance_unset(vty, argv[2]->arg, argv[3]->arg, argv[4]->arg); |
12085 | return CMD_SUCCESS; | |
734b349e MZ |
12086 | } |
12087 | ||
718e3744 | 12088 | DEFUN (bgp_damp_set, |
12089 | bgp_damp_set_cmd, | |
31500417 | 12090 | "bgp dampening [(1-45) [(1-20000) (1-20000) (1-255)]]", |
718e3744 | 12091 | "BGP Specific commands\n" |
12092 | "Enable route-flap dampening\n" | |
12093 | "Half-life time for the penalty\n" | |
12094 | "Value to start reusing a route\n" | |
12095 | "Value to start suppressing a route\n" | |
12096 | "Maximum duration to suppress a stable route\n") | |
12097 | { | |
d62a17ae | 12098 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
12099 | int idx_half_life = 2; | |
12100 | int idx_reuse = 3; | |
12101 | int idx_suppress = 4; | |
12102 | int idx_max_suppress = 5; | |
12103 | int half = DEFAULT_HALF_LIFE * 60; | |
12104 | int reuse = DEFAULT_REUSE; | |
12105 | int suppress = DEFAULT_SUPPRESS; | |
12106 | int max = 4 * half; | |
12107 | ||
12108 | if (argc == 6) { | |
12109 | half = atoi(argv[idx_half_life]->arg) * 60; | |
12110 | reuse = atoi(argv[idx_reuse]->arg); | |
12111 | suppress = atoi(argv[idx_suppress]->arg); | |
12112 | max = atoi(argv[idx_max_suppress]->arg) * 60; | |
12113 | } else if (argc == 3) { | |
12114 | half = atoi(argv[idx_half_life]->arg) * 60; | |
12115 | max = 4 * half; | |
12116 | } | |
718e3744 | 12117 | |
d62a17ae | 12118 | if (suppress < reuse) { |
12119 | vty_out(vty, | |
12120 | "Suppress value cannot be less than reuse value \n"); | |
12121 | return 0; | |
12122 | } | |
7ebe9748 | 12123 | |
d62a17ae | 12124 | return bgp_damp_enable(bgp, bgp_node_afi(vty), bgp_node_safi(vty), half, |
12125 | reuse, suppress, max); | |
718e3744 | 12126 | } |
12127 | ||
718e3744 | 12128 | DEFUN (bgp_damp_unset, |
12129 | bgp_damp_unset_cmd, | |
d04c479d | 12130 | "no bgp dampening [(1-45) [(1-20000) (1-20000) (1-255)]]", |
718e3744 | 12131 | NO_STR |
12132 | "BGP Specific commands\n" | |
16cedbb0 QY |
12133 | "Enable route-flap dampening\n" |
12134 | "Half-life time for the penalty\n" | |
12135 | "Value to start reusing a route\n" | |
12136 | "Value to start suppressing a route\n" | |
12137 | "Maximum duration to suppress a stable route\n") | |
718e3744 | 12138 | { |
d62a17ae | 12139 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
12140 | return bgp_damp_disable(bgp, bgp_node_afi(vty), bgp_node_safi(vty)); | |
718e3744 | 12141 | } |
12142 | ||
718e3744 | 12143 | /* Display specified route of BGP table. */ |
d62a17ae | 12144 | static int bgp_clear_damp_route(struct vty *vty, const char *view_name, |
12145 | const char *ip_str, afi_t afi, safi_t safi, | |
12146 | struct prefix_rd *prd, int prefix_check) | |
12147 | { | |
12148 | int ret; | |
12149 | struct prefix match; | |
12150 | struct bgp_node *rn; | |
12151 | struct bgp_node *rm; | |
40381db7 DS |
12152 | struct bgp_path_info *pi; |
12153 | struct bgp_path_info *pi_temp; | |
d62a17ae | 12154 | struct bgp *bgp; |
12155 | struct bgp_table *table; | |
12156 | ||
12157 | /* BGP structure lookup. */ | |
12158 | if (view_name) { | |
12159 | bgp = bgp_lookup_by_name(view_name); | |
12160 | if (bgp == NULL) { | |
12161 | vty_out(vty, "%% Can't find BGP instance %s\n", | |
12162 | view_name); | |
12163 | return CMD_WARNING; | |
12164 | } | |
12165 | } else { | |
12166 | bgp = bgp_get_default(); | |
12167 | if (bgp == NULL) { | |
12168 | vty_out(vty, "%% No BGP process is configured\n"); | |
12169 | return CMD_WARNING; | |
12170 | } | |
718e3744 | 12171 | } |
718e3744 | 12172 | |
d62a17ae | 12173 | /* Check IP address argument. */ |
12174 | ret = str2prefix(ip_str, &match); | |
12175 | if (!ret) { | |
12176 | vty_out(vty, "%% address is malformed\n"); | |
12177 | return CMD_WARNING; | |
12178 | } | |
718e3744 | 12179 | |
d62a17ae | 12180 | match.family = afi2family(afi); |
12181 | ||
12182 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) | |
12183 | || (safi == SAFI_EVPN)) { | |
12184 | for (rn = bgp_table_top(bgp->rib[AFI_IP][safi]); rn; | |
12185 | rn = bgp_route_next(rn)) { | |
12186 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
12187 | continue; | |
67009e22 DS |
12188 | table = bgp_node_get_bgp_table_info(rn); |
12189 | if (!table) | |
ea47320b DL |
12190 | continue; |
12191 | if ((rm = bgp_node_match(table, &match)) == NULL) | |
12192 | continue; | |
d62a17ae | 12193 | |
ea47320b DL |
12194 | if (!prefix_check |
12195 | || rm->p.prefixlen == match.prefixlen) { | |
6f94b685 | 12196 | pi = bgp_node_get_bgp_path_info(rm); |
40381db7 DS |
12197 | while (pi) { |
12198 | if (pi->extra && pi->extra->damp_info) { | |
12199 | pi_temp = pi->next; | |
ea47320b | 12200 | bgp_damp_info_free( |
40381db7 | 12201 | pi->extra->damp_info, |
60466a63 | 12202 | 1); |
40381db7 | 12203 | pi = pi_temp; |
ea47320b | 12204 | } else |
40381db7 | 12205 | pi = pi->next; |
d62a17ae | 12206 | } |
ea47320b DL |
12207 | } |
12208 | ||
12209 | bgp_unlock_node(rm); | |
d62a17ae | 12210 | } |
12211 | } else { | |
12212 | if ((rn = bgp_node_match(bgp->rib[afi][safi], &match)) | |
12213 | != NULL) { | |
12214 | if (!prefix_check | |
12215 | || rn->p.prefixlen == match.prefixlen) { | |
6f94b685 | 12216 | pi = bgp_node_get_bgp_path_info(rn); |
40381db7 DS |
12217 | while (pi) { |
12218 | if (pi->extra && pi->extra->damp_info) { | |
12219 | pi_temp = pi->next; | |
d62a17ae | 12220 | bgp_damp_info_free( |
40381db7 | 12221 | pi->extra->damp_info, |
d62a17ae | 12222 | 1); |
40381db7 | 12223 | pi = pi_temp; |
d62a17ae | 12224 | } else |
40381db7 | 12225 | pi = pi->next; |
d62a17ae | 12226 | } |
12227 | } | |
12228 | ||
12229 | bgp_unlock_node(rn); | |
12230 | } | |
12231 | } | |
718e3744 | 12232 | |
d62a17ae | 12233 | return CMD_SUCCESS; |
718e3744 | 12234 | } |
12235 | ||
12236 | DEFUN (clear_ip_bgp_dampening, | |
12237 | clear_ip_bgp_dampening_cmd, | |
12238 | "clear ip bgp dampening", | |
12239 | CLEAR_STR | |
12240 | IP_STR | |
12241 | BGP_STR | |
12242 | "Clear route flap dampening information\n") | |
12243 | { | |
d62a17ae | 12244 | bgp_damp_info_clean(); |
12245 | return CMD_SUCCESS; | |
718e3744 | 12246 | } |
12247 | ||
12248 | DEFUN (clear_ip_bgp_dampening_prefix, | |
12249 | clear_ip_bgp_dampening_prefix_cmd, | |
12250 | "clear ip bgp dampening A.B.C.D/M", | |
12251 | CLEAR_STR | |
12252 | IP_STR | |
12253 | BGP_STR | |
12254 | "Clear route flap dampening information\n" | |
0c7b1b01 | 12255 | "IPv4 prefix\n") |
718e3744 | 12256 | { |
d62a17ae | 12257 | int idx_ipv4_prefixlen = 4; |
12258 | return bgp_clear_damp_route(vty, NULL, argv[idx_ipv4_prefixlen]->arg, | |
12259 | AFI_IP, SAFI_UNICAST, NULL, 1); | |
718e3744 | 12260 | } |
12261 | ||
12262 | DEFUN (clear_ip_bgp_dampening_address, | |
12263 | clear_ip_bgp_dampening_address_cmd, | |
12264 | "clear ip bgp dampening A.B.C.D", | |
12265 | CLEAR_STR | |
12266 | IP_STR | |
12267 | BGP_STR | |
12268 | "Clear route flap dampening information\n" | |
12269 | "Network to clear damping information\n") | |
12270 | { | |
d62a17ae | 12271 | int idx_ipv4 = 4; |
12272 | return bgp_clear_damp_route(vty, NULL, argv[idx_ipv4]->arg, AFI_IP, | |
12273 | SAFI_UNICAST, NULL, 0); | |
718e3744 | 12274 | } |
12275 | ||
12276 | DEFUN (clear_ip_bgp_dampening_address_mask, | |
12277 | clear_ip_bgp_dampening_address_mask_cmd, | |
12278 | "clear ip bgp dampening A.B.C.D A.B.C.D", | |
12279 | CLEAR_STR | |
12280 | IP_STR | |
12281 | BGP_STR | |
12282 | "Clear route flap dampening information\n" | |
12283 | "Network to clear damping information\n" | |
12284 | "Network mask\n") | |
12285 | { | |
d62a17ae | 12286 | int idx_ipv4 = 4; |
12287 | int idx_ipv4_2 = 5; | |
12288 | int ret; | |
12289 | char prefix_str[BUFSIZ]; | |
718e3744 | 12290 | |
d62a17ae | 12291 | ret = netmask_str2prefix_str(argv[idx_ipv4]->arg, argv[idx_ipv4_2]->arg, |
12292 | prefix_str); | |
12293 | if (!ret) { | |
12294 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
12295 | return CMD_WARNING; | |
12296 | } | |
718e3744 | 12297 | |
d62a17ae | 12298 | return bgp_clear_damp_route(vty, NULL, prefix_str, AFI_IP, SAFI_UNICAST, |
12299 | NULL, 0); | |
718e3744 | 12300 | } |
6b0655a2 | 12301 | |
e3b78da8 | 12302 | static void show_bgp_peerhash_entry(struct hash_bucket *bucket, void *arg) |
825d9834 DS |
12303 | { |
12304 | struct vty *vty = arg; | |
e3b78da8 | 12305 | struct peer *peer = bucket->data; |
825d9834 DS |
12306 | char buf[SU_ADDRSTRLEN]; |
12307 | ||
12308 | vty_out(vty, "\tPeer: %s %s\n", peer->host, | |
12309 | sockunion2str(&peer->su, buf, sizeof(buf))); | |
12310 | } | |
12311 | ||
12312 | DEFUN (show_bgp_peerhash, | |
12313 | show_bgp_peerhash_cmd, | |
12314 | "show bgp peerhash", | |
12315 | SHOW_STR | |
12316 | BGP_STR | |
12317 | "Display information about the BGP peerhash\n") | |
12318 | { | |
12319 | struct list *instances = bm->bgp; | |
12320 | struct listnode *node; | |
12321 | struct bgp *bgp; | |
12322 | ||
12323 | for (ALL_LIST_ELEMENTS_RO(instances, node, bgp)) { | |
12324 | vty_out(vty, "BGP: %s\n", bgp->name); | |
12325 | hash_iterate(bgp->peerhash, show_bgp_peerhash_entry, | |
12326 | vty); | |
12327 | } | |
12328 | ||
12329 | return CMD_SUCCESS; | |
12330 | } | |
12331 | ||
587ff0fd | 12332 | /* also used for encap safi */ |
2b791107 DL |
12333 | static void bgp_config_write_network_vpn(struct vty *vty, struct bgp *bgp, |
12334 | afi_t afi, safi_t safi) | |
d62a17ae | 12335 | { |
12336 | struct bgp_node *prn; | |
12337 | struct bgp_node *rn; | |
12338 | struct bgp_table *table; | |
12339 | struct prefix *p; | |
12340 | struct prefix_rd *prd; | |
12341 | struct bgp_static *bgp_static; | |
12342 | mpls_label_t label; | |
12343 | char buf[SU_ADDRSTRLEN]; | |
12344 | char rdbuf[RD_ADDRSTRLEN]; | |
12345 | ||
12346 | /* Network configuration. */ | |
12347 | for (prn = bgp_table_top(bgp->route[afi][safi]); prn; | |
ea47320b | 12348 | prn = bgp_route_next(prn)) { |
67009e22 DS |
12349 | table = bgp_node_get_bgp_table_info(prn); |
12350 | if (!table) | |
ea47320b | 12351 | continue; |
d62a17ae | 12352 | |
60466a63 | 12353 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
5a8ba9fc | 12354 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12355 | if (bgp_static == NULL) |
ea47320b | 12356 | continue; |
d62a17ae | 12357 | |
ea47320b DL |
12358 | p = &rn->p; |
12359 | prd = (struct prefix_rd *)&prn->p; | |
d62a17ae | 12360 | |
ea47320b | 12361 | /* "network" configuration display. */ |
06b9f471 | 12362 | prefix_rd2str(prd, rdbuf, sizeof(rdbuf)); |
ea47320b DL |
12363 | label = decode_label(&bgp_static->label); |
12364 | ||
12365 | vty_out(vty, " network %s/%d rd %s", | |
12366 | inet_ntop(p->family, &p->u.prefix, buf, | |
12367 | SU_ADDRSTRLEN), | |
12368 | p->prefixlen, rdbuf); | |
12369 | if (safi == SAFI_MPLS_VPN) | |
12370 | vty_out(vty, " label %u", label); | |
12371 | ||
12372 | if (bgp_static->rmap.name) | |
12373 | vty_out(vty, " route-map %s", | |
12374 | bgp_static->rmap.name); | |
e2a86ad9 DS |
12375 | |
12376 | if (bgp_static->backdoor) | |
12377 | vty_out(vty, " backdoor"); | |
12378 | ||
ea47320b DL |
12379 | vty_out(vty, "\n"); |
12380 | } | |
12381 | } | |
d62a17ae | 12382 | } |
12383 | ||
2b791107 DL |
12384 | static void bgp_config_write_network_evpn(struct vty *vty, struct bgp *bgp, |
12385 | afi_t afi, safi_t safi) | |
d62a17ae | 12386 | { |
12387 | struct bgp_node *prn; | |
12388 | struct bgp_node *rn; | |
12389 | struct bgp_table *table; | |
12390 | struct prefix *p; | |
12391 | struct prefix_rd *prd; | |
12392 | struct bgp_static *bgp_static; | |
ff44f570 | 12393 | char buf[PREFIX_STRLEN * 2]; |
d62a17ae | 12394 | char buf2[SU_ADDRSTRLEN]; |
12395 | char rdbuf[RD_ADDRSTRLEN]; | |
12396 | ||
12397 | /* Network configuration. */ | |
12398 | for (prn = bgp_table_top(bgp->route[afi][safi]); prn; | |
ea47320b | 12399 | prn = bgp_route_next(prn)) { |
67009e22 DS |
12400 | table = bgp_node_get_bgp_table_info(prn); |
12401 | if (!table) | |
ea47320b | 12402 | continue; |
d62a17ae | 12403 | |
60466a63 | 12404 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
5a8ba9fc | 12405 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12406 | if (bgp_static == NULL) |
ea47320b | 12407 | continue; |
d62a17ae | 12408 | |
ea47320b DL |
12409 | char *macrouter = NULL; |
12410 | char *esi = NULL; | |
d62a17ae | 12411 | |
ea47320b DL |
12412 | if (bgp_static->router_mac) |
12413 | macrouter = prefix_mac2str( | |
12414 | bgp_static->router_mac, NULL, 0); | |
12415 | if (bgp_static->eth_s_id) | |
12416 | esi = esi2str(bgp_static->eth_s_id); | |
12417 | p = &rn->p; | |
12418 | prd = (struct prefix_rd *)&prn->p; | |
d62a17ae | 12419 | |
ea47320b | 12420 | /* "network" configuration display. */ |
06b9f471 | 12421 | prefix_rd2str(prd, rdbuf, sizeof(rdbuf)); |
197cb530 PG |
12422 | if (p->u.prefix_evpn.route_type == 5) { |
12423 | char local_buf[PREFIX_STRLEN]; | |
3714a385 | 12424 | uint8_t family = is_evpn_prefix_ipaddr_v4(( |
a4d82a8a PZ |
12425 | struct prefix_evpn *)p) |
12426 | ? AF_INET | |
12427 | : AF_INET6; | |
3714a385 | 12428 | inet_ntop(family, |
12429 | &p->u.prefix_evpn.prefix_addr.ip.ip.addr, | |
a4d82a8a PZ |
12430 | local_buf, PREFIX_STRLEN); |
12431 | sprintf(buf, "%s/%u", local_buf, | |
3714a385 | 12432 | p->u.prefix_evpn.prefix_addr.ip_prefix_length); |
197cb530 PG |
12433 | } else { |
12434 | prefix2str(p, buf, sizeof(buf)); | |
12435 | } | |
ea47320b | 12436 | |
a4d82a8a PZ |
12437 | if (bgp_static->gatewayIp.family == AF_INET |
12438 | || bgp_static->gatewayIp.family == AF_INET6) | |
197cb530 PG |
12439 | inet_ntop(bgp_static->gatewayIp.family, |
12440 | &bgp_static->gatewayIp.u.prefix, buf2, | |
12441 | sizeof(buf2)); | |
ea47320b | 12442 | vty_out(vty, |
7bcc8dac | 12443 | " network %s rd %s ethtag %u label %u esi %s gwip %s routermac %s\n", |
3714a385 | 12444 | buf, rdbuf, |
12445 | p->u.prefix_evpn.prefix_addr.eth_tag, | |
60466a63 | 12446 | decode_label(&bgp_static->label), esi, buf2, |
ea47320b DL |
12447 | macrouter); |
12448 | ||
0a22ddfb QY |
12449 | XFREE(MTYPE_TMP, macrouter); |
12450 | XFREE(MTYPE_TMP, esi); | |
ea47320b DL |
12451 | } |
12452 | } | |
3da6fcd5 PG |
12453 | } |
12454 | ||
718e3744 | 12455 | /* Configuration of static route announcement and aggregate |
12456 | information. */ | |
2b791107 DL |
12457 | void bgp_config_write_network(struct vty *vty, struct bgp *bgp, afi_t afi, |
12458 | safi_t safi) | |
d62a17ae | 12459 | { |
12460 | struct bgp_node *rn; | |
12461 | struct prefix *p; | |
12462 | struct bgp_static *bgp_static; | |
12463 | struct bgp_aggregate *bgp_aggregate; | |
12464 | char buf[SU_ADDRSTRLEN]; | |
12465 | ||
2b791107 DL |
12466 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP)) { |
12467 | bgp_config_write_network_vpn(vty, bgp, afi, safi); | |
12468 | return; | |
12469 | } | |
d62a17ae | 12470 | |
2b791107 DL |
12471 | if (afi == AFI_L2VPN && safi == SAFI_EVPN) { |
12472 | bgp_config_write_network_evpn(vty, bgp, afi, safi); | |
12473 | return; | |
12474 | } | |
d62a17ae | 12475 | |
12476 | /* Network configuration. */ | |
12477 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
ea47320b | 12478 | rn = bgp_route_next(rn)) { |
5a8ba9fc | 12479 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12480 | if (bgp_static == NULL) |
ea47320b | 12481 | continue; |
d62a17ae | 12482 | |
ea47320b | 12483 | p = &rn->p; |
d62a17ae | 12484 | |
d8a9922d DS |
12485 | vty_out(vty, " network %s/%d", |
12486 | inet_ntop(p->family, &p->u.prefix, buf, SU_ADDRSTRLEN), | |
12487 | p->prefixlen); | |
d62a17ae | 12488 | |
ea47320b DL |
12489 | if (bgp_static->label_index != BGP_INVALID_LABEL_INDEX) |
12490 | vty_out(vty, " label-index %u", | |
12491 | bgp_static->label_index); | |
d62a17ae | 12492 | |
ea47320b DL |
12493 | if (bgp_static->rmap.name) |
12494 | vty_out(vty, " route-map %s", bgp_static->rmap.name); | |
e2a86ad9 DS |
12495 | |
12496 | if (bgp_static->backdoor) | |
12497 | vty_out(vty, " backdoor"); | |
718e3744 | 12498 | |
ea47320b DL |
12499 | vty_out(vty, "\n"); |
12500 | } | |
12501 | ||
d62a17ae | 12502 | /* Aggregate-address configuration. */ |
12503 | for (rn = bgp_table_top(bgp->aggregate[afi][safi]); rn; | |
ea47320b | 12504 | rn = bgp_route_next(rn)) { |
b613a918 | 12505 | bgp_aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 12506 | if (bgp_aggregate == NULL) |
ea47320b | 12507 | continue; |
d62a17ae | 12508 | |
ea47320b | 12509 | p = &rn->p; |
d62a17ae | 12510 | |
d8a9922d DS |
12511 | vty_out(vty, " aggregate-address %s/%d", |
12512 | inet_ntop(p->family, &p->u.prefix, buf, SU_ADDRSTRLEN), | |
12513 | p->prefixlen); | |
d62a17ae | 12514 | |
ea47320b DL |
12515 | if (bgp_aggregate->as_set) |
12516 | vty_out(vty, " as-set"); | |
d62a17ae | 12517 | |
ea47320b DL |
12518 | if (bgp_aggregate->summary_only) |
12519 | vty_out(vty, " summary-only"); | |
718e3744 | 12520 | |
20894f50 DA |
12521 | if (bgp_aggregate->rmap.name) |
12522 | vty_out(vty, " route-map %s", bgp_aggregate->rmap.name); | |
12523 | ||
ea47320b DL |
12524 | vty_out(vty, "\n"); |
12525 | } | |
d62a17ae | 12526 | } |
734b349e | 12527 | |
2b791107 | 12528 | void bgp_config_write_distance(struct vty *vty, struct bgp *bgp, afi_t afi, |
60466a63 | 12529 | safi_t safi) |
d62a17ae | 12530 | { |
12531 | struct bgp_node *rn; | |
12532 | struct bgp_distance *bdistance; | |
12533 | ||
12534 | /* Distance configuration. */ | |
12535 | if (bgp->distance_ebgp[afi][safi] && bgp->distance_ibgp[afi][safi] | |
12536 | && bgp->distance_local[afi][safi] | |
12537 | && (bgp->distance_ebgp[afi][safi] != ZEBRA_EBGP_DISTANCE_DEFAULT | |
12538 | || bgp->distance_ibgp[afi][safi] != ZEBRA_IBGP_DISTANCE_DEFAULT | |
12539 | || bgp->distance_local[afi][safi] | |
12540 | != ZEBRA_IBGP_DISTANCE_DEFAULT)) { | |
d62a17ae | 12541 | vty_out(vty, " distance bgp %d %d %d\n", |
12542 | bgp->distance_ebgp[afi][safi], | |
12543 | bgp->distance_ibgp[afi][safi], | |
12544 | bgp->distance_local[afi][safi]); | |
12545 | } | |
734b349e | 12546 | |
d62a17ae | 12547 | for (rn = bgp_table_top(bgp_distance_table[afi][safi]); rn; |
ca2e160d | 12548 | rn = bgp_route_next(rn)) { |
5b00b40e | 12549 | bdistance = bgp_node_get_bgp_distance_info(rn); |
ca2e160d | 12550 | if (bdistance != NULL) { |
d62a17ae | 12551 | char buf[PREFIX_STRLEN]; |
12552 | ||
d62a17ae | 12553 | vty_out(vty, " distance %d %s %s\n", |
12554 | bdistance->distance, | |
12555 | prefix2str(&rn->p, buf, sizeof(buf)), | |
12556 | bdistance->access_list ? bdistance->access_list | |
12557 | : ""); | |
12558 | } | |
ca2e160d | 12559 | } |
718e3744 | 12560 | } |
12561 | ||
12562 | /* Allocate routing table structure and install commands. */ | |
d62a17ae | 12563 | void bgp_route_init(void) |
12564 | { | |
12565 | afi_t afi; | |
12566 | safi_t safi; | |
12567 | ||
12568 | /* Init BGP distance table. */ | |
05c7a1cc | 12569 | FOREACH_AFI_SAFI (afi, safi) |
960035b2 | 12570 | bgp_distance_table[afi][safi] = bgp_table_init(NULL, afi, safi); |
d62a17ae | 12571 | |
12572 | /* IPv4 BGP commands. */ | |
12573 | install_element(BGP_NODE, &bgp_table_map_cmd); | |
12574 | install_element(BGP_NODE, &bgp_network_cmd); | |
d62a17ae | 12575 | install_element(BGP_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12576 | |
12577 | install_element(BGP_NODE, &aggregate_address_cmd); | |
12578 | install_element(BGP_NODE, &aggregate_address_mask_cmd); | |
12579 | install_element(BGP_NODE, &no_aggregate_address_cmd); | |
12580 | install_element(BGP_NODE, &no_aggregate_address_mask_cmd); | |
12581 | ||
12582 | /* IPv4 unicast configuration. */ | |
12583 | install_element(BGP_IPV4_NODE, &bgp_table_map_cmd); | |
12584 | install_element(BGP_IPV4_NODE, &bgp_network_cmd); | |
d62a17ae | 12585 | install_element(BGP_IPV4_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12586 | |
12587 | install_element(BGP_IPV4_NODE, &aggregate_address_cmd); | |
12588 | install_element(BGP_IPV4_NODE, &aggregate_address_mask_cmd); | |
12589 | install_element(BGP_IPV4_NODE, &no_aggregate_address_cmd); | |
12590 | install_element(BGP_IPV4_NODE, &no_aggregate_address_mask_cmd); | |
12591 | ||
12592 | /* IPv4 multicast configuration. */ | |
12593 | install_element(BGP_IPV4M_NODE, &bgp_table_map_cmd); | |
12594 | install_element(BGP_IPV4M_NODE, &bgp_network_cmd); | |
d62a17ae | 12595 | install_element(BGP_IPV4M_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12596 | install_element(BGP_IPV4M_NODE, &aggregate_address_cmd); |
12597 | install_element(BGP_IPV4M_NODE, &aggregate_address_mask_cmd); | |
12598 | install_element(BGP_IPV4M_NODE, &no_aggregate_address_cmd); | |
12599 | install_element(BGP_IPV4M_NODE, &no_aggregate_address_mask_cmd); | |
12600 | ||
12601 | /* IPv4 labeled-unicast configuration. */ | |
12602 | install_element(VIEW_NODE, &show_ip_bgp_instance_all_cmd); | |
12603 | install_element(VIEW_NODE, &show_ip_bgp_cmd); | |
7b2ff250 | 12604 | install_element(VIEW_NODE, &show_ip_bgp_json_cmd); |
d62a17ae | 12605 | install_element(VIEW_NODE, &show_ip_bgp_route_cmd); |
12606 | install_element(VIEW_NODE, &show_ip_bgp_regexp_cmd); | |
12607 | ||
12608 | install_element(VIEW_NODE, | |
12609 | &show_ip_bgp_instance_neighbor_advertised_route_cmd); | |
12610 | install_element(VIEW_NODE, &show_ip_bgp_neighbor_routes_cmd); | |
12611 | install_element(VIEW_NODE, | |
12612 | &show_ip_bgp_neighbor_received_prefix_filter_cmd); | |
d6902373 | 12613 | #ifdef KEEP_OLD_VPN_COMMANDS |
d62a17ae | 12614 | install_element(VIEW_NODE, &show_ip_bgp_vpn_all_route_prefix_cmd); |
d6902373 | 12615 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
d62a17ae | 12616 | install_element(VIEW_NODE, &show_bgp_afi_vpn_rd_route_cmd); |
12617 | install_element(VIEW_NODE, | |
44c69747 | 12618 | &show_bgp_l2vpn_evpn_route_prefix_cmd); |
57d187bc | 12619 | |
d62a17ae | 12620 | /* BGP dampening clear commands */ |
12621 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_cmd); | |
12622 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_prefix_cmd); | |
718e3744 | 12623 | |
d62a17ae | 12624 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_address_cmd); |
12625 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_address_mask_cmd); | |
12626 | ||
12627 | /* prefix count */ | |
12628 | install_element(ENABLE_NODE, | |
12629 | &show_ip_bgp_instance_neighbor_prefix_counts_cmd); | |
d6902373 | 12630 | #ifdef KEEP_OLD_VPN_COMMANDS |
d62a17ae | 12631 | install_element(ENABLE_NODE, |
12632 | &show_ip_bgp_vpn_neighbor_prefix_counts_cmd); | |
d6902373 | 12633 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
ff7924f6 | 12634 | |
d62a17ae | 12635 | /* New config IPv6 BGP commands. */ |
12636 | install_element(BGP_IPV6_NODE, &bgp_table_map_cmd); | |
12637 | install_element(BGP_IPV6_NODE, &ipv6_bgp_network_cmd); | |
d62a17ae | 12638 | install_element(BGP_IPV6_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 12639 | |
12640 | install_element(BGP_IPV6_NODE, &ipv6_aggregate_address_cmd); | |
12641 | install_element(BGP_IPV6_NODE, &no_ipv6_aggregate_address_cmd); | |
12642 | ||
12643 | install_element(BGP_IPV6M_NODE, &ipv6_bgp_network_cmd); | |
d62a17ae | 12644 | |
d62a17ae | 12645 | install_element(BGP_NODE, &bgp_distance_cmd); |
12646 | install_element(BGP_NODE, &no_bgp_distance_cmd); | |
12647 | install_element(BGP_NODE, &bgp_distance_source_cmd); | |
12648 | install_element(BGP_NODE, &no_bgp_distance_source_cmd); | |
12649 | install_element(BGP_NODE, &bgp_distance_source_access_list_cmd); | |
12650 | install_element(BGP_NODE, &no_bgp_distance_source_access_list_cmd); | |
12651 | install_element(BGP_IPV4_NODE, &bgp_distance_cmd); | |
12652 | install_element(BGP_IPV4_NODE, &no_bgp_distance_cmd); | |
12653 | install_element(BGP_IPV4_NODE, &bgp_distance_source_cmd); | |
12654 | install_element(BGP_IPV4_NODE, &no_bgp_distance_source_cmd); | |
12655 | install_element(BGP_IPV4_NODE, &bgp_distance_source_access_list_cmd); | |
12656 | install_element(BGP_IPV4_NODE, &no_bgp_distance_source_access_list_cmd); | |
12657 | install_element(BGP_IPV4M_NODE, &bgp_distance_cmd); | |
12658 | install_element(BGP_IPV4M_NODE, &no_bgp_distance_cmd); | |
12659 | install_element(BGP_IPV4M_NODE, &bgp_distance_source_cmd); | |
12660 | install_element(BGP_IPV4M_NODE, &no_bgp_distance_source_cmd); | |
12661 | install_element(BGP_IPV4M_NODE, &bgp_distance_source_access_list_cmd); | |
12662 | install_element(BGP_IPV4M_NODE, | |
12663 | &no_bgp_distance_source_access_list_cmd); | |
12664 | install_element(BGP_IPV6_NODE, &bgp_distance_cmd); | |
12665 | install_element(BGP_IPV6_NODE, &no_bgp_distance_cmd); | |
12666 | install_element(BGP_IPV6_NODE, &ipv6_bgp_distance_source_cmd); | |
12667 | install_element(BGP_IPV6_NODE, &no_ipv6_bgp_distance_source_cmd); | |
12668 | install_element(BGP_IPV6_NODE, | |
12669 | &ipv6_bgp_distance_source_access_list_cmd); | |
12670 | install_element(BGP_IPV6_NODE, | |
12671 | &no_ipv6_bgp_distance_source_access_list_cmd); | |
12672 | install_element(BGP_IPV6M_NODE, &bgp_distance_cmd); | |
12673 | install_element(BGP_IPV6M_NODE, &no_bgp_distance_cmd); | |
12674 | install_element(BGP_IPV6M_NODE, &ipv6_bgp_distance_source_cmd); | |
12675 | install_element(BGP_IPV6M_NODE, &no_ipv6_bgp_distance_source_cmd); | |
12676 | install_element(BGP_IPV6M_NODE, | |
12677 | &ipv6_bgp_distance_source_access_list_cmd); | |
12678 | install_element(BGP_IPV6M_NODE, | |
12679 | &no_ipv6_bgp_distance_source_access_list_cmd); | |
12680 | ||
12681 | install_element(BGP_NODE, &bgp_damp_set_cmd); | |
12682 | install_element(BGP_NODE, &bgp_damp_unset_cmd); | |
12683 | install_element(BGP_IPV4_NODE, &bgp_damp_set_cmd); | |
12684 | install_element(BGP_IPV4_NODE, &bgp_damp_unset_cmd); | |
12685 | ||
12686 | /* IPv4 Multicast Mode */ | |
12687 | install_element(BGP_IPV4M_NODE, &bgp_damp_set_cmd); | |
12688 | install_element(BGP_IPV4M_NODE, &bgp_damp_unset_cmd); | |
12689 | ||
12690 | /* Large Communities */ | |
12691 | install_element(VIEW_NODE, &show_ip_bgp_large_community_list_cmd); | |
12692 | install_element(VIEW_NODE, &show_ip_bgp_large_community_cmd); | |
dba3c1d3 PG |
12693 | |
12694 | /* show bgp ipv4 flowspec detailed */ | |
12695 | install_element(VIEW_NODE, &show_ip_bgp_flowspec_routes_detailed_cmd); | |
12696 | ||
825d9834 | 12697 | install_element(VIEW_NODE, &show_bgp_peerhash_cmd); |
d62a17ae | 12698 | } |
12699 | ||
12700 | void bgp_route_finish(void) | |
12701 | { | |
12702 | afi_t afi; | |
12703 | safi_t safi; | |
12704 | ||
05c7a1cc QY |
12705 | FOREACH_AFI_SAFI (afi, safi) { |
12706 | bgp_table_unlock(bgp_distance_table[afi][safi]); | |
12707 | bgp_distance_table[afi][safi] = NULL; | |
12708 | } | |
228da428 | 12709 | } |