]>
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" |
e496b420 | 41 | #include "srv6.h" |
4dcadbef | 42 | #include "lib/json.h" |
d8d084d9 | 43 | #include "lib_errors.h" |
8c48b3b6 | 44 | #include "zclient.h" |
718e3744 | 45 | #include "bgpd/bgpd.h" |
46 | #include "bgpd/bgp_table.h" | |
47 | #include "bgpd/bgp_route.h" | |
48 | #include "bgpd/bgp_attr.h" | |
49 | #include "bgpd/bgp_debug.h" | |
14454c9f | 50 | #include "bgpd/bgp_errors.h" |
718e3744 | 51 | #include "bgpd/bgp_aspath.h" |
52 | #include "bgpd/bgp_regex.h" | |
53 | #include "bgpd/bgp_community.h" | |
54 | #include "bgpd/bgp_ecommunity.h" | |
57d187bc | 55 | #include "bgpd/bgp_lcommunity.h" |
718e3744 | 56 | #include "bgpd/bgp_clist.h" |
57 | #include "bgpd/bgp_packet.h" | |
58 | #include "bgpd/bgp_filter.h" | |
59 | #include "bgpd/bgp_fsm.h" | |
60 | #include "bgpd/bgp_mplsvpn.h" | |
61 | #include "bgpd/bgp_nexthop.h" | |
62 | #include "bgpd/bgp_damp.h" | |
63 | #include "bgpd/bgp_advertise.h" | |
64 | #include "bgpd/bgp_zebra.h" | |
0a486e5f | 65 | #include "bgpd/bgp_vty.h" |
96450faf | 66 | #include "bgpd/bgp_mpath.h" |
fc9a856f | 67 | #include "bgpd/bgp_nht.h" |
3f9c7369 | 68 | #include "bgpd/bgp_updgrp.h" |
cd1964ff | 69 | #include "bgpd/bgp_label.h" |
dcc68b5e | 70 | #include "bgpd/bgp_addpath.h" |
4e802e66 | 71 | #include "bgpd/bgp_mac.h" |
718e3744 | 72 | |
65efcfce | 73 | #if ENABLE_BGP_VNC |
f8b6f499 LB |
74 | #include "bgpd/rfapi/rfapi_backend.h" |
75 | #include "bgpd/rfapi/vnc_import_bgp.h" | |
76 | #include "bgpd/rfapi/vnc_export_bgp.h" | |
65efcfce | 77 | #endif |
aee875b5 PG |
78 | #include "bgpd/bgp_encap_types.h" |
79 | #include "bgpd/bgp_encap_tlv.h" | |
684a7227 | 80 | #include "bgpd/bgp_evpn.h" |
3da6fcd5 | 81 | #include "bgpd/bgp_evpn_vty.h" |
dba3c1d3 | 82 | #include "bgpd/bgp_flowspec.h" |
98a9dbc7 | 83 | #include "bgpd/bgp_flowspec_util.h" |
45918cfb | 84 | #include "bgpd/bgp_pbr.h" |
65efcfce | 85 | |
e2a86ad9 DS |
86 | #ifndef VTYSH_EXTRACT_PL |
87 | #include "bgpd/bgp_route_clippy.c" | |
88 | #endif | |
aee875b5 | 89 | |
718e3744 | 90 | /* Extern from bgp_dump.c */ |
dde72586 SH |
91 | extern const char *bgp_origin_str[]; |
92 | extern const char *bgp_origin_long_str[]; | |
f009ff26 | 93 | const char *get_afi_safi_str(afi_t afi, |
94 | safi_t safi, bool for_json); | |
b7d08f5a | 95 | /* PMSI strings. */ |
96 | #define PMSI_TNLTYPE_STR_NO_INFO "No info" | |
97 | #define PMSI_TNLTYPE_STR_DEFAULT PMSI_TNLTYPE_STR_NO_INFO | |
98 | static const struct message bgp_pmsi_tnltype_str[] = { | |
99 | {PMSI_TNLTYPE_NO_INFO, PMSI_TNLTYPE_STR_NO_INFO}, | |
100 | {PMSI_TNLTYPE_RSVP_TE_P2MP, "RSVP-TE P2MP"}, | |
101 | {PMSI_TNLTYPE_MLDP_P2MP, "mLDP P2MP"}, | |
102 | {PMSI_TNLTYPE_PIM_SSM, "PIM-SSM"}, | |
103 | {PMSI_TNLTYPE_PIM_SM, "PIM-SM"}, | |
104 | {PMSI_TNLTYPE_PIM_BIDIR, "PIM-BIDIR"}, | |
105 | {PMSI_TNLTYPE_INGR_REPL, "Ingress Replication"}, | |
106 | {PMSI_TNLTYPE_MLDP_MP2MP, "mLDP MP2MP"}, | |
88fbc36f | 107 | {0} |
108 | }; | |
b7d08f5a | 109 | |
9df8b37c PZ |
110 | #define VRFID_NONE_STR "-" |
111 | ||
4a11bf2c DL |
112 | DEFINE_HOOK(bgp_process, |
113 | (struct bgp *bgp, afi_t afi, safi_t safi, | |
114 | struct bgp_node *bn, struct peer *peer, bool withdraw), | |
115 | (bgp, afi, safi, bn, peer, withdraw)) | |
116 | ||
117 | ||
d62a17ae | 118 | struct bgp_node *bgp_afi_node_get(struct bgp_table *table, afi_t afi, |
119 | safi_t safi, struct prefix *p, | |
120 | struct prefix_rd *prd) | |
121 | { | |
122 | struct bgp_node *rn; | |
123 | struct bgp_node *prn = NULL; | |
124 | ||
125 | assert(table); | |
126 | if (!table) | |
127 | return NULL; | |
128 | ||
129 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) | |
130 | || (safi == SAFI_EVPN)) { | |
131 | prn = bgp_node_get(table, (struct prefix *)prd); | |
132 | ||
67009e22 DS |
133 | if (!bgp_node_has_bgp_path_info_data(prn)) |
134 | bgp_node_set_bgp_table_info( | |
135 | prn, bgp_table_init(table->bgp, afi, safi)); | |
d62a17ae | 136 | else |
137 | bgp_unlock_node(prn); | |
67009e22 | 138 | table = bgp_node_get_bgp_table_info(prn); |
d62a17ae | 139 | } |
718e3744 | 140 | |
d62a17ae | 141 | rn = bgp_node_get(table, p); |
718e3744 | 142 | |
d62a17ae | 143 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
144 | || (safi == SAFI_EVPN)) | |
145 | rn->prn = prn; | |
718e3744 | 146 | |
d62a17ae | 147 | return rn; |
718e3744 | 148 | } |
6b0655a2 | 149 | |
d62a17ae | 150 | struct bgp_node *bgp_afi_node_lookup(struct bgp_table *table, afi_t afi, |
151 | safi_t safi, struct prefix *p, | |
152 | struct prefix_rd *prd) | |
128ea8ab | 153 | { |
d62a17ae | 154 | struct bgp_node *rn; |
155 | struct bgp_node *prn = NULL; | |
128ea8ab | 156 | |
d62a17ae | 157 | if (!table) |
158 | return NULL; | |
128ea8ab | 159 | |
d62a17ae | 160 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
161 | || (safi == SAFI_EVPN)) { | |
162 | prn = bgp_node_lookup(table, (struct prefix *)prd); | |
163 | if (!prn) | |
164 | return NULL; | |
128ea8ab | 165 | |
6f94b685 | 166 | if (!bgp_node_has_bgp_path_info_data(prn)) { |
d62a17ae | 167 | bgp_unlock_node(prn); |
168 | return NULL; | |
169 | } | |
128ea8ab | 170 | |
67009e22 | 171 | table = bgp_node_get_bgp_table_info(prn); |
d62a17ae | 172 | } |
128ea8ab | 173 | |
d62a17ae | 174 | rn = bgp_node_lookup(table, p); |
128ea8ab | 175 | |
d62a17ae | 176 | return rn; |
128ea8ab | 177 | } |
178 | ||
18ee8310 DS |
179 | /* Allocate bgp_path_info_extra */ |
180 | static struct bgp_path_info_extra *bgp_path_info_extra_new(void) | |
fb982c25 | 181 | { |
4b7e6066 DS |
182 | struct bgp_path_info_extra *new; |
183 | new = XCALLOC(MTYPE_BGP_ROUTE_EXTRA, | |
184 | sizeof(struct bgp_path_info_extra)); | |
b57ba6d2 MK |
185 | new->label[0] = MPLS_INVALID_LABEL; |
186 | new->num_labels = 0; | |
3e3708cb PG |
187 | new->bgp_fs_pbr = NULL; |
188 | new->bgp_fs_iprule = NULL; | |
d62a17ae | 189 | return new; |
fb982c25 PJ |
190 | } |
191 | ||
a2e219fe | 192 | void bgp_path_info_extra_free(struct bgp_path_info_extra **extra) |
fb982c25 | 193 | { |
4b7e6066 | 194 | struct bgp_path_info_extra *e; |
d62a17ae | 195 | |
c93a3b77 DS |
196 | if (!extra || !*extra) |
197 | return; | |
d62a17ae | 198 | |
c93a3b77 DS |
199 | e = *extra; |
200 | if (e->damp_info) | |
a935f597 DA |
201 | bgp_damp_info_free(e->damp_info, 0, e->damp_info->afi, |
202 | e->damp_info->safi); | |
d62a17ae | 203 | |
c93a3b77 DS |
204 | e->damp_info = NULL; |
205 | if (e->parent) { | |
40381db7 | 206 | struct bgp_path_info *bpi = (struct bgp_path_info *)e->parent; |
c93a3b77 | 207 | |
40381db7 | 208 | if (bpi->net) { |
0e70e6c8 DL |
209 | /* FIXME: since multiple e may have the same e->parent |
210 | * and e->parent->net is holding a refcount for each | |
211 | * of them, we need to do some fudging here. | |
212 | * | |
40381db7 DS |
213 | * WARNING: if bpi->net->lock drops to 0, bpi may be |
214 | * freed as well (because bpi->net was holding the | |
215 | * last reference to bpi) => write after free! | |
0e70e6c8 DL |
216 | */ |
217 | unsigned refcount; | |
218 | ||
40381db7 DS |
219 | bpi = bgp_path_info_lock(bpi); |
220 | refcount = bpi->net->lock - 1; | |
221 | bgp_unlock_node((struct bgp_node *)bpi->net); | |
0e70e6c8 | 222 | if (!refcount) |
40381db7 DS |
223 | bpi->net = NULL; |
224 | bgp_path_info_unlock(bpi); | |
0e70e6c8 | 225 | } |
18ee8310 | 226 | bgp_path_info_unlock(e->parent); |
c93a3b77 | 227 | e->parent = NULL; |
d62a17ae | 228 | } |
c93a3b77 DS |
229 | |
230 | if (e->bgp_orig) | |
231 | bgp_unlock(e->bgp_orig); | |
c26edcda | 232 | |
ce3c0614 PG |
233 | if ((*extra)->bgp_fs_iprule) |
234 | list_delete(&((*extra)->bgp_fs_iprule)); | |
c26edcda | 235 | if ((*extra)->bgp_fs_pbr) |
6a154c88 | 236 | list_delete(&((*extra)->bgp_fs_pbr)); |
c93a3b77 DS |
237 | XFREE(MTYPE_BGP_ROUTE_EXTRA, *extra); |
238 | ||
239 | *extra = NULL; | |
fb982c25 PJ |
240 | } |
241 | ||
18ee8310 DS |
242 | /* Get bgp_path_info extra information for the given bgp_path_info, lazy |
243 | * allocated if required. | |
fb982c25 | 244 | */ |
40381db7 | 245 | struct bgp_path_info_extra *bgp_path_info_extra_get(struct bgp_path_info *pi) |
fb982c25 | 246 | { |
40381db7 DS |
247 | if (!pi->extra) |
248 | pi->extra = bgp_path_info_extra_new(); | |
249 | return pi->extra; | |
fb982c25 PJ |
250 | } |
251 | ||
718e3744 | 252 | /* Free bgp route information. */ |
9b6d8fcf | 253 | static void bgp_path_info_free(struct bgp_path_info *path) |
718e3744 | 254 | { |
05864da7 | 255 | bgp_attr_unintern(&path->attr); |
fb018d25 | 256 | |
9b6d8fcf DS |
257 | bgp_unlink_nexthop(path); |
258 | bgp_path_info_extra_free(&path->extra); | |
259 | bgp_path_info_mpath_free(&path->mpath); | |
62918377 RW |
260 | if (path->net) |
261 | bgp_addpath_free_info_data(&path->tx_addpath, | |
262 | &path->net->tx_addpath); | |
718e3744 | 263 | |
9b6d8fcf | 264 | peer_unlock(path->peer); /* bgp_path_info peer reference */ |
200df115 | 265 | |
9b6d8fcf | 266 | XFREE(MTYPE_BGP_ROUTE, path); |
718e3744 | 267 | } |
268 | ||
9b6d8fcf | 269 | struct bgp_path_info *bgp_path_info_lock(struct bgp_path_info *path) |
200df115 | 270 | { |
9b6d8fcf DS |
271 | path->lock++; |
272 | return path; | |
200df115 | 273 | } |
274 | ||
9b6d8fcf | 275 | struct bgp_path_info *bgp_path_info_unlock(struct bgp_path_info *path) |
200df115 | 276 | { |
9b6d8fcf DS |
277 | assert(path && path->lock > 0); |
278 | path->lock--; | |
d62a17ae | 279 | |
9b6d8fcf | 280 | if (path->lock == 0) { |
200df115 | 281 | #if 0 |
282 | zlog_debug ("%s: unlocked and freeing", __func__); | |
283 | zlog_backtrace (LOG_DEBUG); | |
284 | #endif | |
9b6d8fcf | 285 | bgp_path_info_free(path); |
d62a17ae | 286 | return NULL; |
287 | } | |
200df115 | 288 | |
289 | #if 0 | |
9b6d8fcf | 290 | if (path->lock == 1) |
200df115 | 291 | { |
292 | zlog_debug ("%s: unlocked to 1", __func__); | |
293 | zlog_backtrace (LOG_DEBUG); | |
294 | } | |
295 | #endif | |
d62a17ae | 296 | |
9b6d8fcf | 297 | return path; |
200df115 | 298 | } |
299 | ||
f009ff26 | 300 | /* This function sets flag BGP_NODE_SELECT_DEFER based on condition */ |
301 | static int bgp_node_set_defer_flag(struct bgp_node *rn, bool delete) | |
302 | { | |
303 | struct peer *peer; | |
304 | struct bgp_path_info *old_pi, *nextpi; | |
305 | bool set_flag = 0; | |
306 | struct bgp *bgp = NULL; | |
307 | struct bgp_table *table = NULL; | |
308 | afi_t afi = 0; | |
309 | safi_t safi = 0; | |
310 | char buf[PREFIX2STR_BUFFER]; | |
311 | ||
312 | /* If the flag BGP_NODE_SELECT_DEFER is set and new path is added | |
313 | * then the route selection is deferred | |
314 | */ | |
2ba1fe69 | 315 | if (CHECK_FLAG(rn->flags, BGP_NODE_SELECT_DEFER) && (!delete)) |
f009ff26 | 316 | return 0; |
317 | ||
5f9c1aa2 | 318 | if (CHECK_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED)) { |
319 | if (BGP_DEBUG(update, UPDATE_OUT)) { | |
320 | prefix2str(&rn->p, buf, PREFIX2STR_BUFFER); | |
321 | zlog_debug("Route %s is in workqueue and being processed, not deferred.", | |
322 | buf); | |
323 | } | |
324 | return 0; | |
325 | } | |
326 | ||
f009ff26 | 327 | table = bgp_node_table(rn); |
328 | if (table) { | |
329 | bgp = table->bgp; | |
330 | afi = table->afi; | |
331 | safi = table->safi; | |
332 | } | |
333 | ||
334 | for (old_pi = bgp_node_get_bgp_path_info(rn); | |
335 | (old_pi != NULL) && (nextpi = old_pi->next, 1); old_pi = nextpi) { | |
336 | if (CHECK_FLAG(old_pi->flags, BGP_PATH_SELECTED)) | |
337 | continue; | |
338 | ||
339 | /* Route selection is deferred if there is a stale path which | |
340 | * which indicates peer is in restart mode | |
341 | */ | |
342 | if (CHECK_FLAG(old_pi->flags, BGP_PATH_STALE) && | |
343 | (old_pi->sub_type == BGP_ROUTE_NORMAL)) { | |
344 | set_flag = 1; | |
345 | } else { | |
346 | /* If the peer is graceful restart capable and peer is | |
347 | * restarting mode, set the flag BGP_NODE_SELECT_DEFER | |
348 | */ | |
349 | peer = old_pi->peer; | |
350 | if (BGP_PEER_GRACEFUL_RESTART_CAPABLE(peer) && | |
351 | BGP_PEER_RESTARTING_MODE(peer) && | |
352 | (old_pi && old_pi->sub_type == BGP_ROUTE_NORMAL)) { | |
353 | set_flag = 1; | |
354 | } | |
355 | } | |
356 | if (set_flag) | |
357 | break; | |
358 | } | |
359 | ||
360 | /* Set the flag BGP_NODE_SELECT_DEFER if route selection deferral timer | |
361 | * is active | |
362 | */ | |
2ba1fe69 | 363 | if (set_flag && table) { |
f009ff26 | 364 | if (bgp && (bgp->gr_info[afi][safi].t_select_deferral)) { |
365 | SET_FLAG(rn->flags, BGP_NODE_SELECT_DEFER); | |
366 | prefix2str(&rn->p, buf, PREFIX2STR_BUFFER); | |
367 | if (rn->rt_node == NULL) | |
368 | rn->rt_node = listnode_add( | |
369 | bgp->gr_info[afi][safi].route_list, rn); | |
370 | if (BGP_DEBUG(update, UPDATE_OUT)) | |
371 | zlog_debug("DEFER route %s, rn %p, node %p", | |
372 | buf, rn, rn->rt_node); | |
373 | return 0; | |
374 | } | |
375 | } | |
376 | return -1; | |
377 | } | |
378 | ||
40381db7 | 379 | void bgp_path_info_add(struct bgp_node *rn, struct bgp_path_info *pi) |
718e3744 | 380 | { |
4b7e6066 | 381 | struct bgp_path_info *top; |
718e3744 | 382 | |
6f94b685 | 383 | top = bgp_node_get_bgp_path_info(rn); |
d62a17ae | 384 | |
6f94b685 | 385 | pi->next = top; |
40381db7 | 386 | pi->prev = NULL; |
d62a17ae | 387 | if (top) |
40381db7 | 388 | top->prev = pi; |
6f94b685 | 389 | bgp_node_set_bgp_path_info(rn, pi); |
d62a17ae | 390 | |
40381db7 | 391 | bgp_path_info_lock(pi); |
d62a17ae | 392 | bgp_lock_node(rn); |
40381db7 | 393 | peer_lock(pi->peer); /* bgp_path_info peer reference */ |
f009ff26 | 394 | bgp_node_set_defer_flag(rn, false); |
718e3744 | 395 | } |
396 | ||
d62a17ae | 397 | /* Do the actual removal of info from RIB, for use by bgp_process |
b40d939b | 398 | completion callback *only* */ |
40381db7 | 399 | void bgp_path_info_reap(struct bgp_node *rn, struct bgp_path_info *pi) |
718e3744 | 400 | { |
40381db7 DS |
401 | if (pi->next) |
402 | pi->next->prev = pi->prev; | |
403 | if (pi->prev) | |
404 | pi->prev->next = pi->next; | |
d62a17ae | 405 | else |
6f94b685 | 406 | bgp_node_set_bgp_path_info(rn, pi->next); |
d62a17ae | 407 | |
40381db7 DS |
408 | bgp_path_info_mpath_dequeue(pi); |
409 | bgp_path_info_unlock(pi); | |
d62a17ae | 410 | bgp_unlock_node(rn); |
718e3744 | 411 | } |
412 | ||
40381db7 | 413 | void bgp_path_info_delete(struct bgp_node *rn, struct bgp_path_info *pi) |
b40d939b | 414 | { |
40381db7 | 415 | bgp_path_info_set_flag(rn, pi, BGP_PATH_REMOVED); |
d62a17ae | 416 | /* set of previous already took care of pcount */ |
40381db7 | 417 | UNSET_FLAG(pi->flags, BGP_PATH_VALID); |
b40d939b | 418 | } |
419 | ||
18ee8310 | 420 | /* undo the effects of a previous call to bgp_path_info_delete; typically |
8d45210e AS |
421 | called when a route is deleted and then quickly re-added before the |
422 | deletion has been processed */ | |
40381db7 | 423 | void bgp_path_info_restore(struct bgp_node *rn, struct bgp_path_info *pi) |
8d45210e | 424 | { |
40381db7 | 425 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_REMOVED); |
d62a17ae | 426 | /* unset of previous already took care of pcount */ |
40381db7 | 427 | SET_FLAG(pi->flags, BGP_PATH_VALID); |
8d45210e AS |
428 | } |
429 | ||
d62a17ae | 430 | /* Adjust pcount as required */ |
40381db7 | 431 | static void bgp_pcount_adjust(struct bgp_node *rn, struct bgp_path_info *pi) |
1a392d46 | 432 | { |
d62a17ae | 433 | struct bgp_table *table; |
67174041 | 434 | |
d62a17ae | 435 | assert(rn && bgp_node_table(rn)); |
40381db7 | 436 | assert(pi && pi->peer && pi->peer->bgp); |
6f58544d | 437 | |
d62a17ae | 438 | table = bgp_node_table(rn); |
67174041 | 439 | |
40381db7 | 440 | if (pi->peer == pi->peer->bgp->peer_self) |
d62a17ae | 441 | return; |
442 | ||
40381db7 DS |
443 | if (!BGP_PATH_COUNTABLE(pi) |
444 | && CHECK_FLAG(pi->flags, BGP_PATH_COUNTED)) { | |
d62a17ae | 445 | |
40381db7 | 446 | UNSET_FLAG(pi->flags, BGP_PATH_COUNTED); |
d62a17ae | 447 | |
448 | /* slight hack, but more robust against errors. */ | |
40381db7 DS |
449 | if (pi->peer->pcount[table->afi][table->safi]) |
450 | pi->peer->pcount[table->afi][table->safi]--; | |
d8d084d9 | 451 | else |
450971aa | 452 | flog_err(EC_LIB_DEVELOPMENT, |
d8d084d9 | 453 | "Asked to decrement 0 prefix count for peer"); |
40381db7 DS |
454 | } else if (BGP_PATH_COUNTABLE(pi) |
455 | && !CHECK_FLAG(pi->flags, BGP_PATH_COUNTED)) { | |
456 | SET_FLAG(pi->flags, BGP_PATH_COUNTED); | |
457 | pi->peer->pcount[table->afi][table->safi]++; | |
d62a17ae | 458 | } |
1a392d46 PJ |
459 | } |
460 | ||
40381db7 DS |
461 | static int bgp_label_index_differs(struct bgp_path_info *pi1, |
462 | struct bgp_path_info *pi2) | |
28d58fd7 | 463 | { |
40381db7 | 464 | return (!(pi1->attr->label_index == pi2->attr->label_index)); |
28d58fd7 | 465 | } |
1a392d46 | 466 | |
18ee8310 | 467 | /* Set/unset bgp_path_info flags, adjusting any other state as needed. |
1a392d46 PJ |
468 | * This is here primarily to keep prefix-count in check. |
469 | */ | |
40381db7 | 470 | void bgp_path_info_set_flag(struct bgp_node *rn, struct bgp_path_info *pi, |
18ee8310 | 471 | uint32_t flag) |
1a392d46 | 472 | { |
40381db7 | 473 | SET_FLAG(pi->flags, flag); |
d62a17ae | 474 | |
475 | /* early bath if we know it's not a flag that changes countability state | |
476 | */ | |
477 | if (!CHECK_FLAG(flag, | |
1defdda8 | 478 | BGP_PATH_VALID | BGP_PATH_HISTORY | BGP_PATH_REMOVED)) |
d62a17ae | 479 | return; |
480 | ||
40381db7 | 481 | bgp_pcount_adjust(rn, pi); |
1a392d46 PJ |
482 | } |
483 | ||
40381db7 | 484 | void bgp_path_info_unset_flag(struct bgp_node *rn, struct bgp_path_info *pi, |
18ee8310 | 485 | uint32_t flag) |
1a392d46 | 486 | { |
40381db7 | 487 | UNSET_FLAG(pi->flags, flag); |
d62a17ae | 488 | |
489 | /* early bath if we know it's not a flag that changes countability state | |
490 | */ | |
491 | if (!CHECK_FLAG(flag, | |
1defdda8 | 492 | BGP_PATH_VALID | BGP_PATH_HISTORY | BGP_PATH_REMOVED)) |
d62a17ae | 493 | return; |
494 | ||
40381db7 | 495 | bgp_pcount_adjust(rn, pi); |
1a392d46 PJ |
496 | } |
497 | ||
718e3744 | 498 | /* Get MED value. If MED value is missing and "bgp bestpath |
499 | missing-as-worst" is specified, treat it as the worst value. */ | |
d7c0a89a | 500 | static uint32_t bgp_med_value(struct attr *attr, struct bgp *bgp) |
d62a17ae | 501 | { |
502 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
503 | return attr->med; | |
504 | else { | |
505 | if (bgp_flag_check(bgp, BGP_FLAG_MED_MISSING_AS_WORST)) | |
506 | return BGP_MED_MAX; | |
507 | else | |
508 | return 0; | |
509 | } | |
718e3744 | 510 | } |
511 | ||
40381db7 | 512 | void bgp_path_info_path_with_addpath_rx_str(struct bgp_path_info *pi, char *buf) |
2ec1e66f | 513 | { |
40381db7 DS |
514 | if (pi->addpath_rx_id) |
515 | sprintf(buf, "path %s (addpath rxid %d)", pi->peer->host, | |
516 | pi->addpath_rx_id); | |
d62a17ae | 517 | else |
40381db7 | 518 | sprintf(buf, "path %s", pi->peer->host); |
d62a17ae | 519 | } |
9fbdd100 | 520 | |
d62a17ae | 521 | /* Compare two bgp route entity. If 'new' is preferable over 'exist' return 1. |
522 | */ | |
18ee8310 DS |
523 | static int bgp_path_info_cmp(struct bgp *bgp, struct bgp_path_info *new, |
524 | struct bgp_path_info *exist, int *paths_eq, | |
525 | struct bgp_maxpaths_cfg *mpath_cfg, int debug, | |
fdf81fa0 DS |
526 | char *pfx_buf, afi_t afi, safi_t safi, |
527 | enum bgp_path_selection_reason *reason) | |
d62a17ae | 528 | { |
529 | struct attr *newattr, *existattr; | |
530 | bgp_peer_sort_t new_sort; | |
531 | bgp_peer_sort_t exist_sort; | |
d7c0a89a QY |
532 | uint32_t new_pref; |
533 | uint32_t exist_pref; | |
534 | uint32_t new_med; | |
535 | uint32_t exist_med; | |
536 | uint32_t new_weight; | |
537 | uint32_t exist_weight; | |
d62a17ae | 538 | uint32_t newm, existm; |
539 | struct in_addr new_id; | |
540 | struct in_addr exist_id; | |
541 | int new_cluster; | |
542 | int exist_cluster; | |
543 | int internal_as_route; | |
544 | int confed_as_route; | |
04d14c8b | 545 | int ret = 0; |
d62a17ae | 546 | char new_buf[PATH_ADDPATH_STR_BUFFER]; |
547 | char exist_buf[PATH_ADDPATH_STR_BUFFER]; | |
d7c0a89a QY |
548 | uint32_t new_mm_seq; |
549 | uint32_t exist_mm_seq; | |
6d8c603a | 550 | int nh_cmp; |
d62a17ae | 551 | |
552 | *paths_eq = 0; | |
553 | ||
554 | /* 0. Null check. */ | |
555 | if (new == NULL) { | |
fdf81fa0 | 556 | *reason = bgp_path_selection_none; |
d62a17ae | 557 | if (debug) |
558 | zlog_debug("%s: new is NULL", pfx_buf); | |
559 | return 0; | |
560 | } | |
2ec1e66f | 561 | |
d62a17ae | 562 | if (debug) |
18ee8310 | 563 | bgp_path_info_path_with_addpath_rx_str(new, new_buf); |
718e3744 | 564 | |
d62a17ae | 565 | if (exist == NULL) { |
fdf81fa0 | 566 | *reason = bgp_path_selection_first; |
d62a17ae | 567 | if (debug) |
568 | zlog_debug("%s: %s is the initial bestpath", pfx_buf, | |
569 | new_buf); | |
570 | return 1; | |
571 | } | |
2ec1e66f | 572 | |
d62a17ae | 573 | if (debug) { |
18ee8310 | 574 | bgp_path_info_path_with_addpath_rx_str(exist, exist_buf); |
d62a17ae | 575 | zlog_debug("%s: Comparing %s flags 0x%x with %s flags 0x%x", |
576 | pfx_buf, new_buf, new->flags, exist_buf, | |
577 | exist->flags); | |
578 | } | |
8ff56318 | 579 | |
d62a17ae | 580 | newattr = new->attr; |
581 | existattr = exist->attr; | |
582 | ||
583 | /* For EVPN routes, we cannot just go by local vs remote, we have to | |
584 | * look at the MAC mobility sequence number, if present. | |
585 | */ | |
586 | if (safi == SAFI_EVPN) { | |
587 | /* This is an error condition described in RFC 7432 Section | |
588 | * 15.2. The RFC | |
589 | * states that in this scenario "the PE MUST alert the operator" | |
590 | * but it | |
591 | * does not state what other action to take. In order to provide | |
592 | * some | |
593 | * consistency in this scenario we are going to prefer the path | |
594 | * with the | |
595 | * sticky flag. | |
596 | */ | |
597 | if (newattr->sticky != existattr->sticky) { | |
598 | if (!debug) { | |
599 | prefix2str(&new->net->p, pfx_buf, | |
600 | sizeof(*pfx_buf) | |
601 | * PREFIX2STR_BUFFER); | |
18ee8310 DS |
602 | bgp_path_info_path_with_addpath_rx_str(new, |
603 | new_buf); | |
604 | bgp_path_info_path_with_addpath_rx_str( | |
605 | exist, exist_buf); | |
d62a17ae | 606 | } |
607 | ||
608 | if (newattr->sticky && !existattr->sticky) { | |
fdf81fa0 | 609 | *reason = bgp_path_selection_evpn_sticky_mac; |
deff24ca DS |
610 | if (debug) |
611 | zlog_debug( | |
612 | "%s: %s wins over %s due to sticky MAC flag", | |
613 | pfx_buf, new_buf, exist_buf); | |
d62a17ae | 614 | return 1; |
615 | } | |
616 | ||
617 | if (!newattr->sticky && existattr->sticky) { | |
fdf81fa0 | 618 | *reason = bgp_path_selection_evpn_sticky_mac; |
deff24ca DS |
619 | if (debug) |
620 | zlog_debug( | |
621 | "%s: %s loses to %s due to sticky MAC flag", | |
622 | pfx_buf, new_buf, exist_buf); | |
d62a17ae | 623 | return 0; |
624 | } | |
625 | } | |
128ea8ab | 626 | |
d62a17ae | 627 | new_mm_seq = mac_mobility_seqnum(newattr); |
628 | exist_mm_seq = mac_mobility_seqnum(existattr); | |
8ff56318 | 629 | |
d62a17ae | 630 | if (new_mm_seq > exist_mm_seq) { |
fdf81fa0 | 631 | *reason = bgp_path_selection_evpn_seq; |
d62a17ae | 632 | if (debug) |
633 | zlog_debug( | |
634 | "%s: %s wins over %s due to MM seq %u > %u", | |
635 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
636 | exist_mm_seq); | |
637 | return 1; | |
638 | } | |
8ff56318 | 639 | |
d62a17ae | 640 | if (new_mm_seq < exist_mm_seq) { |
fdf81fa0 | 641 | *reason = bgp_path_selection_evpn_seq; |
d62a17ae | 642 | if (debug) |
643 | zlog_debug( | |
644 | "%s: %s loses to %s due to MM seq %u < %u", | |
645 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
646 | exist_mm_seq); | |
647 | return 0; | |
648 | } | |
6d8c603a AK |
649 | |
650 | /* | |
651 | * if sequence numbers are the same path with the lowest IP | |
652 | * wins | |
653 | */ | |
654 | nh_cmp = bgp_path_info_nexthop_cmp(new, exist); | |
655 | if (nh_cmp < 0) { | |
fdf81fa0 | 656 | *reason = bgp_path_selection_evpn_lower_ip; |
6d8c603a AK |
657 | if (debug) |
658 | zlog_debug( | |
659 | "%s: %s wins over %s due to same MM seq %u and lower IP %s", | |
660 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
661 | inet_ntoa(new->attr->nexthop)); | |
662 | return 1; | |
663 | } | |
664 | if (nh_cmp > 0) { | |
fdf81fa0 | 665 | *reason = bgp_path_selection_evpn_lower_ip; |
6d8c603a AK |
666 | if (debug) |
667 | zlog_debug( | |
668 | "%s: %s loses to %s due to same MM seq %u and higher IP %s", | |
669 | pfx_buf, new_buf, exist_buf, new_mm_seq, | |
670 | inet_ntoa(new->attr->nexthop)); | |
671 | return 0; | |
672 | } | |
d62a17ae | 673 | } |
9fbdd100 | 674 | |
d62a17ae | 675 | /* 1. Weight check. */ |
d62a17ae | 676 | new_weight = newattr->weight; |
677 | exist_weight = existattr->weight; | |
8ff56318 | 678 | |
d62a17ae | 679 | if (new_weight > exist_weight) { |
fdf81fa0 | 680 | *reason = bgp_path_selection_weight; |
d62a17ae | 681 | if (debug) |
682 | zlog_debug("%s: %s wins over %s due to weight %d > %d", | |
683 | pfx_buf, new_buf, exist_buf, new_weight, | |
684 | exist_weight); | |
685 | return 1; | |
686 | } | |
718e3744 | 687 | |
d62a17ae | 688 | if (new_weight < exist_weight) { |
fdf81fa0 | 689 | *reason = bgp_path_selection_weight; |
d62a17ae | 690 | if (debug) |
691 | zlog_debug("%s: %s loses to %s due to weight %d < %d", | |
692 | pfx_buf, new_buf, exist_buf, new_weight, | |
693 | exist_weight); | |
694 | return 0; | |
695 | } | |
9fbdd100 | 696 | |
d62a17ae | 697 | /* 2. Local preference check. */ |
698 | new_pref = exist_pref = bgp->default_local_pref; | |
699 | ||
700 | if (newattr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) | |
701 | new_pref = newattr->local_pref; | |
702 | if (existattr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) | |
703 | exist_pref = existattr->local_pref; | |
704 | ||
705 | if (new_pref > exist_pref) { | |
fdf81fa0 | 706 | *reason = bgp_path_selection_local_pref; |
d62a17ae | 707 | if (debug) |
708 | zlog_debug( | |
709 | "%s: %s wins over %s due to localpref %d > %d", | |
710 | pfx_buf, new_buf, exist_buf, new_pref, | |
711 | exist_pref); | |
712 | return 1; | |
713 | } | |
718e3744 | 714 | |
d62a17ae | 715 | if (new_pref < exist_pref) { |
fdf81fa0 | 716 | *reason = bgp_path_selection_local_pref; |
d62a17ae | 717 | if (debug) |
718 | zlog_debug( | |
719 | "%s: %s loses to %s due to localpref %d < %d", | |
720 | pfx_buf, new_buf, exist_buf, new_pref, | |
721 | exist_pref); | |
722 | return 0; | |
723 | } | |
9fbdd100 | 724 | |
d62a17ae | 725 | /* 3. Local route check. We prefer: |
726 | * - BGP_ROUTE_STATIC | |
727 | * - BGP_ROUTE_AGGREGATE | |
728 | * - BGP_ROUTE_REDISTRIBUTE | |
729 | */ | |
90f4f482 | 730 | if (!(new->sub_type == BGP_ROUTE_NORMAL || |
731 | new->sub_type == BGP_ROUTE_IMPORTED)) { | |
fdf81fa0 | 732 | *reason = bgp_path_selection_local_route; |
d62a17ae | 733 | if (debug) |
734 | zlog_debug( | |
735 | "%s: %s wins over %s due to preferred BGP_ROUTE type", | |
736 | pfx_buf, new_buf, exist_buf); | |
737 | return 1; | |
738 | } | |
718e3744 | 739 | |
90f4f482 | 740 | if (!(exist->sub_type == BGP_ROUTE_NORMAL || |
88493076 | 741 | exist->sub_type == BGP_ROUTE_IMPORTED)) { |
fdf81fa0 | 742 | *reason = bgp_path_selection_local_route; |
d62a17ae | 743 | if (debug) |
744 | zlog_debug( | |
745 | "%s: %s loses to %s due to preferred BGP_ROUTE type", | |
746 | pfx_buf, new_buf, exist_buf); | |
747 | return 0; | |
6811845b | 748 | } |
718e3744 | 749 | |
d62a17ae | 750 | /* 4. AS path length check. */ |
751 | if (!bgp_flag_check(bgp, BGP_FLAG_ASPATH_IGNORE)) { | |
752 | int exist_hops = aspath_count_hops(existattr->aspath); | |
753 | int exist_confeds = aspath_count_confeds(existattr->aspath); | |
754 | ||
755 | if (bgp_flag_check(bgp, BGP_FLAG_ASPATH_CONFED)) { | |
756 | int aspath_hops; | |
757 | ||
758 | aspath_hops = aspath_count_hops(newattr->aspath); | |
759 | aspath_hops += aspath_count_confeds(newattr->aspath); | |
760 | ||
761 | if (aspath_hops < (exist_hops + exist_confeds)) { | |
fdf81fa0 | 762 | *reason = bgp_path_selection_confed_as_path; |
d62a17ae | 763 | if (debug) |
764 | zlog_debug( | |
765 | "%s: %s wins over %s due to aspath (with confeds) hopcount %d < %d", | |
766 | pfx_buf, new_buf, exist_buf, | |
767 | aspath_hops, | |
768 | (exist_hops + exist_confeds)); | |
769 | return 1; | |
770 | } | |
771 | ||
772 | if (aspath_hops > (exist_hops + exist_confeds)) { | |
fdf81fa0 | 773 | *reason = bgp_path_selection_confed_as_path; |
d62a17ae | 774 | if (debug) |
775 | zlog_debug( | |
776 | "%s: %s loses to %s due to aspath (with confeds) hopcount %d > %d", | |
777 | pfx_buf, new_buf, exist_buf, | |
778 | aspath_hops, | |
779 | (exist_hops + exist_confeds)); | |
780 | return 0; | |
781 | } | |
782 | } else { | |
783 | int newhops = aspath_count_hops(newattr->aspath); | |
784 | ||
785 | if (newhops < exist_hops) { | |
fdf81fa0 | 786 | *reason = bgp_path_selection_as_path; |
d62a17ae | 787 | if (debug) |
788 | zlog_debug( | |
789 | "%s: %s wins over %s due to aspath hopcount %d < %d", | |
790 | pfx_buf, new_buf, exist_buf, | |
791 | newhops, exist_hops); | |
792 | return 1; | |
793 | } | |
794 | ||
795 | if (newhops > exist_hops) { | |
fdf81fa0 | 796 | *reason = bgp_path_selection_as_path; |
d62a17ae | 797 | if (debug) |
798 | zlog_debug( | |
799 | "%s: %s loses to %s due to aspath hopcount %d > %d", | |
800 | pfx_buf, new_buf, exist_buf, | |
801 | newhops, exist_hops); | |
802 | return 0; | |
803 | } | |
804 | } | |
805 | } | |
9fbdd100 | 806 | |
d62a17ae | 807 | /* 5. Origin check. */ |
808 | if (newattr->origin < existattr->origin) { | |
fdf81fa0 | 809 | *reason = bgp_path_selection_origin; |
d62a17ae | 810 | if (debug) |
811 | zlog_debug("%s: %s wins over %s due to ORIGIN %s < %s", | |
812 | pfx_buf, new_buf, exist_buf, | |
813 | bgp_origin_long_str[newattr->origin], | |
814 | bgp_origin_long_str[existattr->origin]); | |
815 | return 1; | |
816 | } | |
718e3744 | 817 | |
d62a17ae | 818 | if (newattr->origin > existattr->origin) { |
fdf81fa0 | 819 | *reason = bgp_path_selection_origin; |
d62a17ae | 820 | if (debug) |
821 | zlog_debug("%s: %s loses to %s due to ORIGIN %s > %s", | |
822 | pfx_buf, new_buf, exist_buf, | |
823 | bgp_origin_long_str[newattr->origin], | |
824 | bgp_origin_long_str[existattr->origin]); | |
825 | return 0; | |
826 | } | |
718e3744 | 827 | |
d62a17ae | 828 | /* 6. MED check. */ |
829 | internal_as_route = (aspath_count_hops(newattr->aspath) == 0 | |
830 | && aspath_count_hops(existattr->aspath) == 0); | |
831 | confed_as_route = (aspath_count_confeds(newattr->aspath) > 0 | |
832 | && aspath_count_confeds(existattr->aspath) > 0 | |
833 | && aspath_count_hops(newattr->aspath) == 0 | |
834 | && aspath_count_hops(existattr->aspath) == 0); | |
835 | ||
836 | if (bgp_flag_check(bgp, BGP_FLAG_ALWAYS_COMPARE_MED) | |
837 | || (bgp_flag_check(bgp, BGP_FLAG_MED_CONFED) && confed_as_route) | |
838 | || aspath_cmp_left(newattr->aspath, existattr->aspath) | |
839 | || aspath_cmp_left_confed(newattr->aspath, existattr->aspath) | |
840 | || internal_as_route) { | |
841 | new_med = bgp_med_value(new->attr, bgp); | |
842 | exist_med = bgp_med_value(exist->attr, bgp); | |
843 | ||
844 | if (new_med < exist_med) { | |
fdf81fa0 | 845 | *reason = bgp_path_selection_med; |
d62a17ae | 846 | if (debug) |
847 | zlog_debug( | |
848 | "%s: %s wins over %s due to MED %d < %d", | |
849 | pfx_buf, new_buf, exist_buf, new_med, | |
850 | exist_med); | |
851 | return 1; | |
852 | } | |
8ff56318 | 853 | |
d62a17ae | 854 | if (new_med > exist_med) { |
fdf81fa0 | 855 | *reason = bgp_path_selection_med; |
d62a17ae | 856 | if (debug) |
857 | zlog_debug( | |
858 | "%s: %s loses to %s due to MED %d > %d", | |
859 | pfx_buf, new_buf, exist_buf, new_med, | |
860 | exist_med); | |
861 | return 0; | |
862 | } | |
863 | } | |
9fbdd100 | 864 | |
d62a17ae | 865 | /* 7. Peer type check. */ |
866 | new_sort = new->peer->sort; | |
867 | exist_sort = exist->peer->sort; | |
868 | ||
869 | if (new_sort == BGP_PEER_EBGP | |
870 | && (exist_sort == BGP_PEER_IBGP || exist_sort == BGP_PEER_CONFED)) { | |
fdf81fa0 | 871 | *reason = bgp_path_selection_peer; |
d62a17ae | 872 | if (debug) |
873 | zlog_debug( | |
874 | "%s: %s wins over %s due to eBGP peer > iBGP peer", | |
875 | pfx_buf, new_buf, exist_buf); | |
876 | return 1; | |
877 | } | |
718e3744 | 878 | |
d62a17ae | 879 | if (exist_sort == BGP_PEER_EBGP |
880 | && (new_sort == BGP_PEER_IBGP || new_sort == BGP_PEER_CONFED)) { | |
fdf81fa0 | 881 | *reason = bgp_path_selection_peer; |
d62a17ae | 882 | if (debug) |
883 | zlog_debug( | |
884 | "%s: %s loses to %s due to iBGP peer < eBGP peer", | |
885 | pfx_buf, new_buf, exist_buf); | |
886 | return 0; | |
887 | } | |
8ff56318 | 888 | |
d62a17ae | 889 | /* 8. IGP metric check. */ |
890 | newm = existm = 0; | |
8ff56318 | 891 | |
d62a17ae | 892 | if (new->extra) |
893 | newm = new->extra->igpmetric; | |
894 | if (exist->extra) | |
895 | existm = exist->extra->igpmetric; | |
9fbdd100 | 896 | |
d62a17ae | 897 | if (newm < existm) { |
898 | if (debug) | |
899 | zlog_debug( | |
900 | "%s: %s wins over %s due to IGP metric %d < %d", | |
901 | pfx_buf, new_buf, exist_buf, newm, existm); | |
902 | ret = 1; | |
903 | } | |
718e3744 | 904 | |
d62a17ae | 905 | if (newm > existm) { |
906 | if (debug) | |
907 | zlog_debug( | |
908 | "%s: %s loses to %s due to IGP metric %d > %d", | |
909 | pfx_buf, new_buf, exist_buf, newm, existm); | |
910 | ret = 0; | |
5e242b0d | 911 | } |
5e242b0d | 912 | |
d62a17ae | 913 | /* 9. Same IGP metric. Compare the cluster list length as |
914 | representative of IGP hops metric. Rewrite the metric value | |
915 | pair (newm, existm) with the cluster list length. Prefer the | |
916 | path with smaller cluster list length. */ | |
917 | if (newm == existm) { | |
918 | if (peer_sort(new->peer) == BGP_PEER_IBGP | |
919 | && peer_sort(exist->peer) == BGP_PEER_IBGP | |
920 | && (mpath_cfg == NULL | |
921 | || CHECK_FLAG( | |
922 | mpath_cfg->ibgp_flags, | |
923 | BGP_FLAG_IBGP_MULTIPATH_SAME_CLUSTERLEN))) { | |
924 | newm = BGP_CLUSTER_LIST_LENGTH(new->attr); | |
925 | existm = BGP_CLUSTER_LIST_LENGTH(exist->attr); | |
926 | ||
927 | if (newm < existm) { | |
928 | if (debug) | |
929 | zlog_debug( | |
930 | "%s: %s wins over %s due to CLUSTER_LIST length %d < %d", | |
931 | pfx_buf, new_buf, exist_buf, | |
932 | newm, existm); | |
933 | ret = 1; | |
934 | } | |
935 | ||
936 | if (newm > existm) { | |
937 | if (debug) | |
938 | zlog_debug( | |
939 | "%s: %s loses to %s due to CLUSTER_LIST length %d > %d", | |
940 | pfx_buf, new_buf, exist_buf, | |
941 | newm, existm); | |
942 | ret = 0; | |
943 | } | |
944 | } | |
945 | } | |
31a4638f | 946 | |
d62a17ae | 947 | /* 10. confed-external vs. confed-internal */ |
948 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) { | |
949 | if (new_sort == BGP_PEER_CONFED | |
950 | && exist_sort == BGP_PEER_IBGP) { | |
fdf81fa0 | 951 | *reason = bgp_path_selection_confed; |
d62a17ae | 952 | if (debug) |
953 | zlog_debug( | |
954 | "%s: %s wins over %s due to confed-external peer > confed-internal peer", | |
955 | pfx_buf, new_buf, exist_buf); | |
956 | return 1; | |
957 | } | |
718e3744 | 958 | |
d62a17ae | 959 | if (exist_sort == BGP_PEER_CONFED |
960 | && new_sort == BGP_PEER_IBGP) { | |
fdf81fa0 | 961 | *reason = bgp_path_selection_confed; |
d62a17ae | 962 | if (debug) |
963 | zlog_debug( | |
964 | "%s: %s loses to %s due to confed-internal peer < confed-external peer", | |
965 | pfx_buf, new_buf, exist_buf); | |
966 | return 0; | |
967 | } | |
968 | } | |
718e3744 | 969 | |
d62a17ae | 970 | /* 11. Maximum path check. */ |
971 | if (newm == existm) { | |
972 | /* If one path has a label but the other does not, do not treat | |
973 | * them as equals for multipath | |
974 | */ | |
a4d82a8a | 975 | if ((new->extra &&bgp_is_valid_label(&new->extra->label[0])) |
d62a17ae | 976 | != (exist->extra |
b57ba6d2 | 977 | && bgp_is_valid_label(&exist->extra->label[0]))) { |
d62a17ae | 978 | if (debug) |
979 | zlog_debug( | |
980 | "%s: %s and %s cannot be multipath, one has a label while the other does not", | |
981 | pfx_buf, new_buf, exist_buf); | |
982 | } else if (bgp_flag_check(bgp, | |
983 | BGP_FLAG_ASPATH_MULTIPATH_RELAX)) { | |
984 | ||
985 | /* | |
986 | * For the two paths, all comparison steps till IGP | |
987 | * metric | |
988 | * have succeeded - including AS_PATH hop count. Since | |
989 | * 'bgp | |
990 | * bestpath as-path multipath-relax' knob is on, we | |
991 | * don't need | |
992 | * an exact match of AS_PATH. Thus, mark the paths are | |
993 | * equal. | |
994 | * That will trigger both these paths to get into the | |
995 | * multipath | |
996 | * array. | |
997 | */ | |
998 | *paths_eq = 1; | |
999 | ||
1000 | if (debug) | |
1001 | zlog_debug( | |
1002 | "%s: %s and %s are equal via multipath-relax", | |
1003 | pfx_buf, new_buf, exist_buf); | |
1004 | } else if (new->peer->sort == BGP_PEER_IBGP) { | |
1005 | if (aspath_cmp(new->attr->aspath, | |
1006 | exist->attr->aspath)) { | |
1007 | *paths_eq = 1; | |
1008 | ||
1009 | if (debug) | |
1010 | zlog_debug( | |
1011 | "%s: %s and %s are equal via matching aspaths", | |
1012 | pfx_buf, new_buf, exist_buf); | |
1013 | } | |
1014 | } else if (new->peer->as == exist->peer->as) { | |
1015 | *paths_eq = 1; | |
1016 | ||
1017 | if (debug) | |
1018 | zlog_debug( | |
1019 | "%s: %s and %s are equal via same remote-as", | |
1020 | pfx_buf, new_buf, exist_buf); | |
1021 | } | |
1022 | } else { | |
1023 | /* | |
1024 | * TODO: If unequal cost ibgp multipath is enabled we can | |
1025 | * mark the paths as equal here instead of returning | |
1026 | */ | |
1027 | if (debug) { | |
1028 | if (ret == 1) | |
1029 | zlog_debug( | |
1030 | "%s: %s wins over %s after IGP metric comparison", | |
1031 | pfx_buf, new_buf, exist_buf); | |
1032 | else | |
1033 | zlog_debug( | |
1034 | "%s: %s loses to %s after IGP metric comparison", | |
1035 | pfx_buf, new_buf, exist_buf); | |
1036 | } | |
fdf81fa0 | 1037 | *reason = bgp_path_selection_igp_metric; |
d62a17ae | 1038 | return ret; |
1039 | } | |
718e3744 | 1040 | |
d62a17ae | 1041 | /* 12. If both paths are external, prefer the path that was received |
1042 | first (the oldest one). This step minimizes route-flap, since a | |
1043 | newer path won't displace an older one, even if it was the | |
1044 | preferred route based on the additional decision criteria below. */ | |
1045 | if (!bgp_flag_check(bgp, BGP_FLAG_COMPARE_ROUTER_ID) | |
1046 | && new_sort == BGP_PEER_EBGP && exist_sort == BGP_PEER_EBGP) { | |
1defdda8 | 1047 | if (CHECK_FLAG(new->flags, BGP_PATH_SELECTED)) { |
fdf81fa0 | 1048 | *reason = bgp_path_selection_older; |
d62a17ae | 1049 | if (debug) |
1050 | zlog_debug( | |
1051 | "%s: %s wins over %s due to oldest external", | |
1052 | pfx_buf, new_buf, exist_buf); | |
1053 | return 1; | |
1054 | } | |
9fbdd100 | 1055 | |
1defdda8 | 1056 | if (CHECK_FLAG(exist->flags, BGP_PATH_SELECTED)) { |
fdf81fa0 | 1057 | *reason = bgp_path_selection_older; |
d62a17ae | 1058 | if (debug) |
1059 | zlog_debug( | |
1060 | "%s: %s loses to %s due to oldest external", | |
1061 | pfx_buf, new_buf, exist_buf); | |
1062 | return 0; | |
1063 | } | |
1064 | } | |
718e3744 | 1065 | |
d62a17ae | 1066 | /* 13. Router-ID comparision. */ |
1067 | /* If one of the paths is "stale", the corresponding peer router-id will | |
1068 | * be 0 and would always win over the other path. If originator id is | |
1069 | * used for the comparision, it will decide which path is better. | |
1070 | */ | |
1071 | if (newattr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) | |
1072 | new_id.s_addr = newattr->originator_id.s_addr; | |
1073 | else | |
1074 | new_id.s_addr = new->peer->remote_id.s_addr; | |
1075 | if (existattr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) | |
1076 | exist_id.s_addr = existattr->originator_id.s_addr; | |
1077 | else | |
1078 | exist_id.s_addr = exist->peer->remote_id.s_addr; | |
1079 | ||
1080 | if (ntohl(new_id.s_addr) < ntohl(exist_id.s_addr)) { | |
fdf81fa0 | 1081 | *reason = bgp_path_selection_router_id; |
d62a17ae | 1082 | if (debug) |
1083 | zlog_debug( | |
1084 | "%s: %s wins over %s due to Router-ID comparison", | |
1085 | pfx_buf, new_buf, exist_buf); | |
1086 | return 1; | |
1087 | } | |
718e3744 | 1088 | |
d62a17ae | 1089 | if (ntohl(new_id.s_addr) > ntohl(exist_id.s_addr)) { |
fdf81fa0 | 1090 | *reason = bgp_path_selection_router_id; |
d62a17ae | 1091 | if (debug) |
1092 | zlog_debug( | |
1093 | "%s: %s loses to %s due to Router-ID comparison", | |
1094 | pfx_buf, new_buf, exist_buf); | |
1095 | return 0; | |
1096 | } | |
9fbdd100 | 1097 | |
d62a17ae | 1098 | /* 14. Cluster length comparision. */ |
1099 | new_cluster = BGP_CLUSTER_LIST_LENGTH(new->attr); | |
1100 | exist_cluster = BGP_CLUSTER_LIST_LENGTH(exist->attr); | |
1101 | ||
1102 | if (new_cluster < exist_cluster) { | |
fdf81fa0 | 1103 | *reason = bgp_path_selection_cluster_length; |
d62a17ae | 1104 | if (debug) |
1105 | zlog_debug( | |
1106 | "%s: %s wins over %s due to CLUSTER_LIST length %d < %d", | |
1107 | pfx_buf, new_buf, exist_buf, new_cluster, | |
1108 | exist_cluster); | |
1109 | return 1; | |
1110 | } | |
718e3744 | 1111 | |
d62a17ae | 1112 | if (new_cluster > exist_cluster) { |
fdf81fa0 | 1113 | *reason = bgp_path_selection_cluster_length; |
d62a17ae | 1114 | if (debug) |
1115 | zlog_debug( | |
1116 | "%s: %s loses to %s due to CLUSTER_LIST length %d > %d", | |
1117 | pfx_buf, new_buf, exist_buf, new_cluster, | |
1118 | exist_cluster); | |
1119 | return 0; | |
1120 | } | |
9fbdd100 | 1121 | |
d62a17ae | 1122 | /* 15. Neighbor address comparision. */ |
1123 | /* Do this only if neither path is "stale" as stale paths do not have | |
1124 | * valid peer information (as the connection may or may not be up). | |
1125 | */ | |
1defdda8 | 1126 | if (CHECK_FLAG(exist->flags, BGP_PATH_STALE)) { |
fdf81fa0 | 1127 | *reason = bgp_path_selection_stale; |
d62a17ae | 1128 | if (debug) |
1129 | zlog_debug( | |
1130 | "%s: %s wins over %s due to latter path being STALE", | |
1131 | pfx_buf, new_buf, exist_buf); | |
1132 | return 1; | |
1133 | } | |
0de5153c | 1134 | |
1defdda8 | 1135 | if (CHECK_FLAG(new->flags, BGP_PATH_STALE)) { |
fdf81fa0 | 1136 | *reason = bgp_path_selection_stale; |
d62a17ae | 1137 | if (debug) |
1138 | zlog_debug( | |
1139 | "%s: %s loses to %s due to former path being STALE", | |
1140 | pfx_buf, new_buf, exist_buf); | |
1141 | return 0; | |
1142 | } | |
718e3744 | 1143 | |
d62a17ae | 1144 | /* locally configured routes to advertise do not have su_remote */ |
fdf81fa0 DS |
1145 | if (new->peer->su_remote == NULL) { |
1146 | *reason = bgp_path_selection_local_configured; | |
d62a17ae | 1147 | return 0; |
fdf81fa0 DS |
1148 | } |
1149 | if (exist->peer->su_remote == NULL) { | |
1150 | *reason = bgp_path_selection_local_configured; | |
d62a17ae | 1151 | return 1; |
fdf81fa0 | 1152 | } |
9fbdd100 | 1153 | |
d62a17ae | 1154 | ret = sockunion_cmp(new->peer->su_remote, exist->peer->su_remote); |
1155 | ||
1156 | if (ret == 1) { | |
fdf81fa0 | 1157 | *reason = bgp_path_selection_neighbor_ip; |
d62a17ae | 1158 | if (debug) |
1159 | zlog_debug( | |
1160 | "%s: %s loses to %s due to Neighor IP comparison", | |
1161 | pfx_buf, new_buf, exist_buf); | |
1162 | return 0; | |
1163 | } | |
1164 | ||
1165 | if (ret == -1) { | |
fdf81fa0 | 1166 | *reason = bgp_path_selection_neighbor_ip; |
d62a17ae | 1167 | if (debug) |
1168 | zlog_debug( | |
1169 | "%s: %s wins over %s due to Neighor IP comparison", | |
1170 | pfx_buf, new_buf, exist_buf); | |
1171 | return 1; | |
1172 | } | |
9fbdd100 | 1173 | |
fdf81fa0 | 1174 | *reason = bgp_path_selection_default; |
d62a17ae | 1175 | if (debug) |
1176 | zlog_debug("%s: %s wins over %s due to nothing left to compare", | |
1177 | pfx_buf, new_buf, exist_buf); | |
718e3744 | 1178 | |
d62a17ae | 1179 | return 1; |
718e3744 | 1180 | } |
1181 | ||
65efcfce LB |
1182 | /* Compare two bgp route entity. Return -1 if new is preferred, 1 if exist |
1183 | * is preferred, or 0 if they are the same (usually will only occur if | |
d62a17ae | 1184 | * multipath is enabled |
65efcfce | 1185 | * This version is compatible with */ |
18ee8310 DS |
1186 | int bgp_path_info_cmp_compatible(struct bgp *bgp, struct bgp_path_info *new, |
1187 | struct bgp_path_info *exist, char *pfx_buf, | |
fdf81fa0 DS |
1188 | afi_t afi, safi_t safi, |
1189 | enum bgp_path_selection_reason *reason) | |
d62a17ae | 1190 | { |
1191 | int paths_eq; | |
1192 | int ret; | |
18ee8310 | 1193 | ret = bgp_path_info_cmp(bgp, new, exist, &paths_eq, NULL, 0, pfx_buf, |
fdf81fa0 | 1194 | afi, safi, reason); |
d62a17ae | 1195 | |
1196 | if (paths_eq) | |
1197 | ret = 0; | |
1198 | else { | |
1199 | if (ret == 1) | |
1200 | ret = -1; | |
1201 | else | |
1202 | ret = 1; | |
1203 | } | |
1204 | return ret; | |
65efcfce LB |
1205 | } |
1206 | ||
d62a17ae | 1207 | static enum filter_type bgp_input_filter(struct peer *peer, struct prefix *p, |
1208 | struct attr *attr, afi_t afi, | |
1209 | safi_t safi) | |
718e3744 | 1210 | { |
d62a17ae | 1211 | struct bgp_filter *filter; |
718e3744 | 1212 | |
d62a17ae | 1213 | filter = &peer->filter[afi][safi]; |
718e3744 | 1214 | |
d62a17ae | 1215 | #define FILTER_EXIST_WARN(F, f, filter) \ |
1216 | if (BGP_DEBUG(update, UPDATE_IN) && !(F##_IN(filter))) \ | |
d8d084d9 DS |
1217 | zlog_debug("%s: Could not find configured input %s-list %s!", \ |
1218 | peer->host, #f, F##_IN_NAME(filter)); | |
d62a17ae | 1219 | |
1220 | if (DISTRIBUTE_IN_NAME(filter)) { | |
1221 | FILTER_EXIST_WARN(DISTRIBUTE, distribute, filter); | |
1222 | ||
1223 | if (access_list_apply(DISTRIBUTE_IN(filter), p) == FILTER_DENY) | |
1224 | return FILTER_DENY; | |
1225 | } | |
1226 | ||
1227 | if (PREFIX_LIST_IN_NAME(filter)) { | |
1228 | FILTER_EXIST_WARN(PREFIX_LIST, prefix, filter); | |
1229 | ||
1230 | if (prefix_list_apply(PREFIX_LIST_IN(filter), p) == PREFIX_DENY) | |
1231 | return FILTER_DENY; | |
1232 | } | |
1233 | ||
1234 | if (FILTER_LIST_IN_NAME(filter)) { | |
1235 | FILTER_EXIST_WARN(FILTER_LIST, as, filter); | |
1236 | ||
1237 | if (as_list_apply(FILTER_LIST_IN(filter), attr->aspath) | |
1238 | == AS_FILTER_DENY) | |
1239 | return FILTER_DENY; | |
1240 | } | |
1241 | ||
1242 | return FILTER_PERMIT; | |
650f76c2 | 1243 | #undef FILTER_EXIST_WARN |
718e3744 | 1244 | } |
1245 | ||
d62a17ae | 1246 | static enum filter_type bgp_output_filter(struct peer *peer, struct prefix *p, |
1247 | struct attr *attr, afi_t afi, | |
1248 | safi_t safi) | |
718e3744 | 1249 | { |
d62a17ae | 1250 | struct bgp_filter *filter; |
1251 | ||
1252 | filter = &peer->filter[afi][safi]; | |
1253 | ||
1254 | #define FILTER_EXIST_WARN(F, f, filter) \ | |
1255 | if (BGP_DEBUG(update, UPDATE_OUT) && !(F##_OUT(filter))) \ | |
d8d084d9 DS |
1256 | zlog_debug("%s: Could not find configured output %s-list %s!", \ |
1257 | peer->host, #f, F##_OUT_NAME(filter)); | |
718e3744 | 1258 | |
d62a17ae | 1259 | if (DISTRIBUTE_OUT_NAME(filter)) { |
1260 | FILTER_EXIST_WARN(DISTRIBUTE, distribute, filter); | |
718e3744 | 1261 | |
d62a17ae | 1262 | if (access_list_apply(DISTRIBUTE_OUT(filter), p) == FILTER_DENY) |
1263 | return FILTER_DENY; | |
1264 | } | |
1265 | ||
1266 | if (PREFIX_LIST_OUT_NAME(filter)) { | |
1267 | FILTER_EXIST_WARN(PREFIX_LIST, prefix, filter); | |
650f76c2 | 1268 | |
d62a17ae | 1269 | if (prefix_list_apply(PREFIX_LIST_OUT(filter), p) |
1270 | == PREFIX_DENY) | |
1271 | return FILTER_DENY; | |
1272 | } | |
718e3744 | 1273 | |
d62a17ae | 1274 | if (FILTER_LIST_OUT_NAME(filter)) { |
1275 | FILTER_EXIST_WARN(FILTER_LIST, as, filter); | |
718e3744 | 1276 | |
d62a17ae | 1277 | if (as_list_apply(FILTER_LIST_OUT(filter), attr->aspath) |
1278 | == AS_FILTER_DENY) | |
1279 | return FILTER_DENY; | |
1280 | } | |
718e3744 | 1281 | |
d62a17ae | 1282 | return FILTER_PERMIT; |
650f76c2 | 1283 | #undef FILTER_EXIST_WARN |
718e3744 | 1284 | } |
1285 | ||
1286 | /* If community attribute includes no_export then return 1. */ | |
d62a17ae | 1287 | static int bgp_community_filter(struct peer *peer, struct attr *attr) |
1288 | { | |
1289 | if (attr->community) { | |
1290 | /* NO_ADVERTISE check. */ | |
1291 | if (community_include(attr->community, COMMUNITY_NO_ADVERTISE)) | |
1292 | return 1; | |
1293 | ||
1294 | /* NO_EXPORT check. */ | |
1295 | if (peer->sort == BGP_PEER_EBGP | |
1296 | && community_include(attr->community, COMMUNITY_NO_EXPORT)) | |
1297 | return 1; | |
1298 | ||
1299 | /* NO_EXPORT_SUBCONFED check. */ | |
1300 | if (peer->sort == BGP_PEER_EBGP | |
1301 | || peer->sort == BGP_PEER_CONFED) | |
1302 | if (community_include(attr->community, | |
1303 | COMMUNITY_NO_EXPORT_SUBCONFED)) | |
1304 | return 1; | |
1305 | } | |
1306 | return 0; | |
718e3744 | 1307 | } |
1308 | ||
1309 | /* Route reflection loop check. */ | |
d62a17ae | 1310 | static int bgp_cluster_filter(struct peer *peer, struct attr *attr) |
718e3744 | 1311 | { |
d62a17ae | 1312 | struct in_addr cluster_id; |
718e3744 | 1313 | |
d62a17ae | 1314 | if (attr->cluster) { |
1315 | if (peer->bgp->config & BGP_CONFIG_CLUSTER_ID) | |
1316 | cluster_id = peer->bgp->cluster_id; | |
1317 | else | |
1318 | cluster_id = peer->bgp->router_id; | |
1319 | ||
1320 | if (cluster_loop_check(attr->cluster, cluster_id)) | |
1321 | return 1; | |
1322 | } | |
1323 | return 0; | |
718e3744 | 1324 | } |
6b0655a2 | 1325 | |
d62a17ae | 1326 | static int bgp_input_modifier(struct peer *peer, struct prefix *p, |
1327 | struct attr *attr, afi_t afi, safi_t safi, | |
82b692c0 | 1328 | const char *rmap_name, mpls_label_t *label, |
196c6b09 | 1329 | uint32_t num_labels, struct bgp_node *rn) |
718e3744 | 1330 | { |
d62a17ae | 1331 | struct bgp_filter *filter; |
82b692c0 LK |
1332 | struct bgp_path_info rmap_path = { 0 }; |
1333 | struct bgp_path_info_extra extra = { 0 }; | |
d62a17ae | 1334 | route_map_result_t ret; |
1335 | struct route_map *rmap = NULL; | |
718e3744 | 1336 | |
d62a17ae | 1337 | filter = &peer->filter[afi][safi]; |
718e3744 | 1338 | |
d62a17ae | 1339 | /* Apply default weight value. */ |
1340 | if (peer->weight[afi][safi]) | |
1341 | attr->weight = peer->weight[afi][safi]; | |
718e3744 | 1342 | |
d62a17ae | 1343 | if (rmap_name) { |
1344 | rmap = route_map_lookup_by_name(rmap_name); | |
98a4a44e | 1345 | |
d62a17ae | 1346 | if (rmap == NULL) |
1347 | return RMAP_DENY; | |
1348 | } else { | |
1349 | if (ROUTE_MAP_IN_NAME(filter)) { | |
1350 | rmap = ROUTE_MAP_IN(filter); | |
98a4a44e | 1351 | |
d62a17ae | 1352 | if (rmap == NULL) |
1353 | return RMAP_DENY; | |
1354 | } | |
1355 | } | |
0b16f239 | 1356 | |
d62a17ae | 1357 | /* Route map apply. */ |
1358 | if (rmap) { | |
40381db7 | 1359 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
d62a17ae | 1360 | /* Duplicate current value to new strucutre for modification. */ |
40381db7 DS |
1361 | rmap_path.peer = peer; |
1362 | rmap_path.attr = attr; | |
82b692c0 | 1363 | rmap_path.extra = &extra; |
196c6b09 LK |
1364 | rmap_path.net = rn; |
1365 | ||
82b692c0 LK |
1366 | extra.num_labels = num_labels; |
1367 | if (label && num_labels && num_labels <= BGP_MAX_LABELS) | |
1368 | memcpy(extra.label, label, | |
1369 | num_labels * sizeof(mpls_label_t)); | |
718e3744 | 1370 | |
d62a17ae | 1371 | SET_FLAG(peer->rmap_type, PEER_RMAP_TYPE_IN); |
ac41b2a2 | 1372 | |
d62a17ae | 1373 | /* Apply BGP route map to the attribute. */ |
40381db7 | 1374 | ret = route_map_apply(rmap, p, RMAP_BGP, &rmap_path); |
0b16f239 | 1375 | |
d62a17ae | 1376 | peer->rmap_type = 0; |
0b16f239 | 1377 | |
1f2263be | 1378 | if (ret == RMAP_DENYMATCH) |
d62a17ae | 1379 | return RMAP_DENY; |
0b16f239 | 1380 | } |
d62a17ae | 1381 | return RMAP_PERMIT; |
0b16f239 DS |
1382 | } |
1383 | ||
d62a17ae | 1384 | static int bgp_output_modifier(struct peer *peer, struct prefix *p, |
1385 | struct attr *attr, afi_t afi, safi_t safi, | |
1386 | const char *rmap_name) | |
0b16f239 | 1387 | { |
40381db7 | 1388 | struct bgp_path_info rmap_path; |
d62a17ae | 1389 | route_map_result_t ret; |
1390 | struct route_map *rmap = NULL; | |
d7c0a89a | 1391 | uint8_t rmap_type; |
0b16f239 | 1392 | |
b787157a DS |
1393 | /* |
1394 | * So if we get to this point and have no rmap_name | |
1395 | * we want to just show the output as it currently | |
1396 | * exists. | |
1397 | */ | |
1398 | if (!rmap_name) | |
1399 | return RMAP_PERMIT; | |
0b16f239 | 1400 | |
d62a17ae | 1401 | /* Apply default weight value. */ |
1402 | if (peer->weight[afi][safi]) | |
1403 | attr->weight = peer->weight[afi][safi]; | |
0b16f239 | 1404 | |
b787157a | 1405 | rmap = route_map_lookup_by_name(rmap_name); |
98a4a44e | 1406 | |
b787157a DS |
1407 | /* |
1408 | * If we have a route map name and we do not find | |
1409 | * the routemap that means we have an implicit | |
1410 | * deny. | |
1411 | */ | |
1412 | if (rmap == NULL) | |
1413 | return RMAP_DENY; | |
0b16f239 | 1414 | |
40381db7 | 1415 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
d62a17ae | 1416 | /* Route map apply. */ |
b787157a | 1417 | /* Duplicate current value to new strucutre for modification. */ |
40381db7 DS |
1418 | rmap_path.peer = peer; |
1419 | rmap_path.attr = attr; | |
0b16f239 | 1420 | |
0f672529 | 1421 | rmap_type = peer->rmap_type; |
b787157a | 1422 | SET_FLAG(peer->rmap_type, PEER_RMAP_TYPE_OUT); |
0b16f239 | 1423 | |
b787157a | 1424 | /* Apply BGP route map to the attribute. */ |
40381db7 | 1425 | ret = route_map_apply(rmap, p, RMAP_BGP, &rmap_path); |
ac41b2a2 | 1426 | |
0f672529 | 1427 | peer->rmap_type = rmap_type; |
b787157a DS |
1428 | |
1429 | if (ret == RMAP_DENYMATCH) | |
1430 | /* | |
1431 | * caller has multiple error paths with bgp_attr_flush() | |
1432 | */ | |
1433 | return RMAP_DENY; | |
ac41b2a2 | 1434 | |
d62a17ae | 1435 | return RMAP_PERMIT; |
718e3744 | 1436 | } |
6b0655a2 | 1437 | |
5000f21c | 1438 | /* If this is an EBGP peer with remove-private-AS */ |
d62a17ae | 1439 | static void bgp_peer_remove_private_as(struct bgp *bgp, afi_t afi, safi_t safi, |
1440 | struct peer *peer, struct attr *attr) | |
1441 | { | |
1442 | if (peer->sort == BGP_PEER_EBGP | |
1443 | && (peer_af_flag_check(peer, afi, safi, | |
1444 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE) | |
1445 | || peer_af_flag_check(peer, afi, safi, | |
1446 | PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE) | |
1447 | || peer_af_flag_check(peer, afi, safi, | |
1448 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL) | |
1449 | || peer_af_flag_check(peer, afi, safi, | |
1450 | PEER_FLAG_REMOVE_PRIVATE_AS))) { | |
1451 | // Take action on the entire aspath | |
1452 | if (peer_af_flag_check(peer, afi, safi, | |
1453 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE) | |
1454 | || peer_af_flag_check(peer, afi, safi, | |
1455 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL)) { | |
1456 | if (peer_af_flag_check( | |
1457 | peer, afi, safi, | |
1458 | PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE)) | |
1459 | attr->aspath = aspath_replace_private_asns( | |
bf26b80e | 1460 | attr->aspath, bgp->as, peer->as); |
d62a17ae | 1461 | |
1462 | // The entire aspath consists of private ASNs so create | |
1463 | // an empty aspath | |
1464 | else if (aspath_private_as_check(attr->aspath)) | |
1465 | attr->aspath = aspath_empty_get(); | |
1466 | ||
1467 | // There are some public and some private ASNs, remove | |
1468 | // the private ASNs | |
1469 | else | |
1470 | attr->aspath = aspath_remove_private_asns( | |
bf26b80e | 1471 | attr->aspath, peer->as); |
d62a17ae | 1472 | } |
1473 | ||
1474 | // 'all' was not specified so the entire aspath must be private | |
1475 | // ASNs | |
1476 | // for us to do anything | |
1477 | else if (aspath_private_as_check(attr->aspath)) { | |
1478 | if (peer_af_flag_check( | |
1479 | peer, afi, safi, | |
1480 | PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE)) | |
1481 | attr->aspath = aspath_replace_private_asns( | |
bf26b80e | 1482 | attr->aspath, bgp->as, peer->as); |
d62a17ae | 1483 | else |
1484 | attr->aspath = aspath_empty_get(); | |
1485 | } | |
1486 | } | |
5000f21c DS |
1487 | } |
1488 | ||
c7122e14 | 1489 | /* If this is an EBGP peer with as-override */ |
d62a17ae | 1490 | static void bgp_peer_as_override(struct bgp *bgp, afi_t afi, safi_t safi, |
1491 | struct peer *peer, struct attr *attr) | |
1492 | { | |
1493 | if (peer->sort == BGP_PEER_EBGP | |
1494 | && peer_af_flag_check(peer, afi, safi, PEER_FLAG_AS_OVERRIDE)) { | |
1495 | if (aspath_single_asn_check(attr->aspath, peer->as)) | |
1496 | attr->aspath = aspath_replace_specific_asn( | |
1497 | attr->aspath, peer->as, bgp->as); | |
1498 | } | |
1499 | } | |
1500 | ||
7f323236 DW |
1501 | void bgp_attr_add_gshut_community(struct attr *attr) |
1502 | { | |
1503 | struct community *old; | |
1504 | struct community *new; | |
1505 | struct community *merge; | |
1506 | struct community *gshut; | |
1507 | ||
1508 | old = attr->community; | |
1509 | gshut = community_str2com("graceful-shutdown"); | |
1510 | ||
990f4f91 | 1511 | assert(gshut); |
1512 | ||
7f323236 DW |
1513 | if (old) { |
1514 | merge = community_merge(community_dup(old), gshut); | |
1515 | ||
a4d82a8a | 1516 | if (old->refcnt == 0) |
3c1f53de | 1517 | community_free(&old); |
7f323236 DW |
1518 | |
1519 | new = community_uniq_sort(merge); | |
3c1f53de | 1520 | community_free(&merge); |
7f323236 DW |
1521 | } else { |
1522 | new = community_dup(gshut); | |
1523 | } | |
1524 | ||
3c1f53de | 1525 | community_free(&gshut); |
7f323236 DW |
1526 | attr->community = new; |
1527 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_COMMUNITIES); | |
1528 | ||
1529 | /* When we add the graceful-shutdown community we must also | |
1530 | * lower the local-preference */ | |
1531 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
1532 | attr->local_pref = BGP_GSHUT_LOCAL_PREF; | |
1533 | } | |
1534 | ||
1535 | ||
d7c0a89a | 1536 | static void subgroup_announce_reset_nhop(uint8_t family, struct attr *attr) |
c7122e14 | 1537 | { |
960035b2 | 1538 | if (family == AF_INET) { |
d62a17ae | 1539 | attr->nexthop.s_addr = 0; |
960035b2 PZ |
1540 | attr->mp_nexthop_global_in.s_addr = 0; |
1541 | } | |
d62a17ae | 1542 | if (family == AF_INET6) |
1543 | memset(&attr->mp_nexthop_global, 0, IPV6_MAX_BYTELEN); | |
ace295a9 MK |
1544 | if (family == AF_EVPN) |
1545 | memset(&attr->mp_nexthop_global_in, 0, BGP_ATTR_NHLEN_IPV4); | |
c7122e14 DS |
1546 | } |
1547 | ||
40381db7 | 1548 | int subgroup_announce_check(struct bgp_node *rn, struct bgp_path_info *pi, |
d62a17ae | 1549 | struct update_subgroup *subgrp, struct prefix *p, |
1550 | struct attr *attr) | |
1551 | { | |
1552 | struct bgp_filter *filter; | |
1553 | struct peer *from; | |
1554 | struct peer *peer; | |
1555 | struct peer *onlypeer; | |
1556 | struct bgp *bgp; | |
40381db7 | 1557 | struct attr *piattr; |
d62a17ae | 1558 | char buf[PREFIX_STRLEN]; |
b68885f9 | 1559 | route_map_result_t ret; |
d62a17ae | 1560 | int transparent; |
1561 | int reflect; | |
1562 | afi_t afi; | |
1563 | safi_t safi; | |
1564 | int samepeer_safe = 0; /* for synthetic mplsvpns routes */ | |
1565 | ||
1566 | if (DISABLE_BGP_ANNOUNCE) | |
1567 | return 0; | |
1568 | ||
1569 | afi = SUBGRP_AFI(subgrp); | |
1570 | safi = SUBGRP_SAFI(subgrp); | |
1571 | peer = SUBGRP_PEER(subgrp); | |
1572 | onlypeer = NULL; | |
1573 | if (CHECK_FLAG(peer->flags, PEER_FLAG_LONESOUL)) | |
1574 | onlypeer = SUBGRP_PFIRST(subgrp)->peer; | |
1575 | ||
40381db7 | 1576 | from = pi->peer; |
d62a17ae | 1577 | filter = &peer->filter[afi][safi]; |
1578 | bgp = SUBGRP_INST(subgrp); | |
40381db7 DS |
1579 | piattr = bgp_path_info_mpath_count(pi) ? bgp_path_info_mpath_attr(pi) |
1580 | : pi->attr; | |
3f9c7369 | 1581 | |
65efcfce | 1582 | #if ENABLE_BGP_VNC |
d62a17ae | 1583 | if (((afi == AFI_IP) || (afi == AFI_IP6)) && (safi == SAFI_MPLS_VPN) |
40381db7 DS |
1584 | && ((pi->type == ZEBRA_ROUTE_BGP_DIRECT) |
1585 | || (pi->type == ZEBRA_ROUTE_BGP_DIRECT_EXT))) { | |
d62a17ae | 1586 | |
1587 | /* | |
1588 | * direct and direct_ext type routes originate internally even | |
1589 | * though they can have peer pointers that reference other | |
1590 | * systems | |
1591 | */ | |
1592 | prefix2str(p, buf, PREFIX_STRLEN); | |
1593 | zlog_debug("%s: pfx %s bgp_direct->vpn route peer safe", | |
1594 | __func__, buf); | |
1595 | samepeer_safe = 1; | |
1596 | } | |
65efcfce LB |
1597 | #endif |
1598 | ||
ddb5b488 PZ |
1599 | if (((afi == AFI_IP) || (afi == AFI_IP6)) |
1600 | && ((safi == SAFI_MPLS_VPN) || (safi == SAFI_UNICAST)) | |
40381db7 DS |
1601 | && (pi->type == ZEBRA_ROUTE_BGP) |
1602 | && (pi->sub_type == BGP_ROUTE_IMPORTED)) { | |
ddb5b488 PZ |
1603 | |
1604 | /* Applies to routes leaked vpn->vrf and vrf->vpn */ | |
1605 | ||
1606 | samepeer_safe = 1; | |
1607 | } | |
1608 | ||
d62a17ae | 1609 | /* With addpath we may be asked to TX all kinds of paths so make sure |
40381db7 DS |
1610 | * pi is valid */ |
1611 | if (!CHECK_FLAG(pi->flags, BGP_PATH_VALID) | |
1612 | || CHECK_FLAG(pi->flags, BGP_PATH_HISTORY) | |
1613 | || CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 1614 | return 0; |
1615 | } | |
adbac85e | 1616 | |
d62a17ae | 1617 | /* If this is not the bestpath then check to see if there is an enabled |
1618 | * addpath | |
1619 | * feature that requires us to advertise it */ | |
40381db7 | 1620 | if (!CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
dcc68b5e | 1621 | if (!bgp_addpath_tx_path(peer->addpath_type[afi][safi], pi)) { |
d62a17ae | 1622 | return 0; |
1623 | } | |
1624 | } | |
06370dac | 1625 | |
d62a17ae | 1626 | /* Aggregate-address suppress check. */ |
40381db7 | 1627 | if (pi->extra && pi->extra->suppress) |
d62a17ae | 1628 | if (!UNSUPPRESS_MAP_NAME(filter)) { |
1629 | return 0; | |
1630 | } | |
3f9c7369 | 1631 | |
13b7e7f0 DS |
1632 | /* |
1633 | * If we are doing VRF 2 VRF leaking via the import | |
1634 | * statement, we want to prevent the route going | |
1635 | * off box as that the RT and RD created are localy | |
1636 | * significant and globaly useless. | |
1637 | */ | |
40381db7 DS |
1638 | if (safi == SAFI_MPLS_VPN && pi->extra && pi->extra->num_labels |
1639 | && pi->extra->label[0] == BGP_PREVENT_VRF_2_VRF_LEAK) | |
13b7e7f0 DS |
1640 | return 0; |
1641 | ||
d62a17ae | 1642 | /* If it's labeled safi, make sure the route has a valid label. */ |
1643 | if (safi == SAFI_LABELED_UNICAST) { | |
40381db7 | 1644 | mpls_label_t label = bgp_adv_label(rn, pi, peer, afi, safi); |
d62a17ae | 1645 | if (!bgp_is_valid_label(&label)) { |
1646 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) | |
1647 | zlog_debug("u%" PRIu64 ":s%" PRIu64 | |
1648 | " %s/%d is filtered - no label (%p)", | |
1649 | subgrp->update_group->id, subgrp->id, | |
1650 | inet_ntop(p->family, &p->u.prefix, | |
1651 | buf, SU_ADDRSTRLEN), | |
1652 | p->prefixlen, &label); | |
1653 | return 0; | |
1654 | } | |
1655 | } | |
cd1964ff | 1656 | |
d62a17ae | 1657 | /* Do not send back route to sender. */ |
1658 | if (onlypeer && from == onlypeer) { | |
1659 | return 0; | |
1660 | } | |
3f9c7369 | 1661 | |
d62a17ae | 1662 | /* Do not send the default route in the BGP table if the neighbor is |
1663 | * configured for default-originate */ | |
1664 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
1665 | PEER_FLAG_DEFAULT_ORIGINATE)) { | |
1666 | if (p->family == AF_INET && p->u.prefix4.s_addr == INADDR_ANY) | |
1667 | return 0; | |
1668 | else if (p->family == AF_INET6 && p->prefixlen == 0) | |
1669 | return 0; | |
1670 | } | |
4125bb67 | 1671 | |
d62a17ae | 1672 | /* Transparency check. */ |
1673 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT) | |
1674 | && CHECK_FLAG(from->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT)) | |
1675 | transparent = 1; | |
1676 | else | |
1677 | transparent = 0; | |
1678 | ||
1679 | /* If community is not disabled check the no-export and local. */ | |
40381db7 | 1680 | if (!transparent && bgp_community_filter(peer, piattr)) { |
d62a17ae | 1681 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1682 | zlog_debug( | |
1683 | "subgrpannouncecheck: community filter check fail"); | |
1684 | return 0; | |
1685 | } | |
3f9c7369 | 1686 | |
d62a17ae | 1687 | /* If the attribute has originator-id and it is same as remote |
1688 | peer's id. */ | |
40381db7 DS |
1689 | if (onlypeer && piattr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID) |
1690 | && (IPV4_ADDR_SAME(&onlypeer->remote_id, &piattr->originator_id))) { | |
d62a17ae | 1691 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1692 | zlog_debug( | |
1693 | "%s [Update:SEND] %s originator-id is same as " | |
1694 | "remote router-id", | |
1695 | onlypeer->host, | |
1696 | prefix2str(p, buf, sizeof(buf))); | |
1697 | return 0; | |
1698 | } | |
3f9c7369 | 1699 | |
d62a17ae | 1700 | /* ORF prefix-list filter check */ |
1701 | if (CHECK_FLAG(peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_RM_ADV) | |
1702 | && (CHECK_FLAG(peer->af_cap[afi][safi], PEER_CAP_ORF_PREFIX_SM_RCV) | |
1703 | || CHECK_FLAG(peer->af_cap[afi][safi], | |
1704 | PEER_CAP_ORF_PREFIX_SM_OLD_RCV))) | |
1705 | if (peer->orf_plist[afi][safi]) { | |
1706 | if (prefix_list_apply(peer->orf_plist[afi][safi], p) | |
1707 | == PREFIX_DENY) { | |
1708 | if (bgp_debug_update(NULL, p, | |
1709 | subgrp->update_group, 0)) | |
1710 | zlog_debug( | |
1711 | "%s [Update:SEND] %s is filtered via ORF", | |
1712 | peer->host, | |
1713 | prefix2str(p, buf, | |
1714 | sizeof(buf))); | |
1715 | return 0; | |
1716 | } | |
1717 | } | |
1718 | ||
1719 | /* Output filter check. */ | |
40381db7 | 1720 | if (bgp_output_filter(peer, p, piattr, afi, safi) == FILTER_DENY) { |
d62a17ae | 1721 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1722 | zlog_debug("%s [Update:SEND] %s is filtered", | |
1723 | peer->host, prefix2str(p, buf, sizeof(buf))); | |
1724 | return 0; | |
1725 | } | |
3f9c7369 | 1726 | |
d62a17ae | 1727 | /* AS path loop check. */ |
2b31007c RZ |
1728 | if (onlypeer && onlypeer->as_path_loop_detection |
1729 | && aspath_loop_check(piattr->aspath, onlypeer->as)) { | |
d62a17ae | 1730 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1731 | zlog_debug( | |
1732 | "%s [Update:SEND] suppress announcement to peer AS %u " | |
1733 | "that is part of AS path.", | |
1734 | onlypeer->host, onlypeer->as); | |
1735 | return 0; | |
1736 | } | |
3f9c7369 | 1737 | |
d62a17ae | 1738 | /* If we're a CONFED we need to loop check the CONFED ID too */ |
1739 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) { | |
40381db7 | 1740 | if (aspath_loop_check(piattr->aspath, bgp->confed_id)) { |
d62a17ae | 1741 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1742 | zlog_debug( | |
1743 | "%s [Update:SEND] suppress announcement to peer AS %u" | |
1744 | " is AS path.", | |
1745 | peer->host, bgp->confed_id); | |
1746 | return 0; | |
1747 | } | |
3f9c7369 | 1748 | } |
3f9c7369 | 1749 | |
d62a17ae | 1750 | /* Route-Reflect check. */ |
1751 | if (from->sort == BGP_PEER_IBGP && peer->sort == BGP_PEER_IBGP) | |
1752 | reflect = 1; | |
1753 | else | |
1754 | reflect = 0; | |
1755 | ||
1756 | /* IBGP reflection check. */ | |
1757 | if (reflect && !samepeer_safe) { | |
1758 | /* A route from a Client peer. */ | |
1759 | if (CHECK_FLAG(from->af_flags[afi][safi], | |
1760 | PEER_FLAG_REFLECTOR_CLIENT)) { | |
1761 | /* Reflect to all the Non-Client peers and also to the | |
1762 | Client peers other than the originator. Originator | |
1763 | check | |
1764 | is already done. So there is noting to do. */ | |
1765 | /* no bgp client-to-client reflection check. */ | |
1766 | if (bgp_flag_check(bgp, BGP_FLAG_NO_CLIENT_TO_CLIENT)) | |
1767 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
1768 | PEER_FLAG_REFLECTOR_CLIENT)) | |
1769 | return 0; | |
1770 | } else { | |
1771 | /* A route from a Non-client peer. Reflect to all other | |
1772 | clients. */ | |
1773 | if (!CHECK_FLAG(peer->af_flags[afi][safi], | |
1774 | PEER_FLAG_REFLECTOR_CLIENT)) | |
1775 | return 0; | |
1776 | } | |
1777 | } | |
3f9c7369 | 1778 | |
d62a17ae | 1779 | /* For modify attribute, copy it to temporary structure. */ |
6f4f49b2 | 1780 | *attr = *piattr; |
d62a17ae | 1781 | |
1782 | /* If local-preference is not set. */ | |
1783 | if ((peer->sort == BGP_PEER_IBGP || peer->sort == BGP_PEER_CONFED) | |
1784 | && (!(attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)))) { | |
1785 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); | |
1786 | attr->local_pref = bgp->default_local_pref; | |
3f9c7369 | 1787 | } |
3f9c7369 | 1788 | |
d62a17ae | 1789 | /* If originator-id is not set and the route is to be reflected, |
1790 | set the originator id */ | |
1791 | if (reflect | |
1792 | && (!(attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)))) { | |
1793 | IPV4_ADDR_COPY(&(attr->originator_id), &(from->remote_id)); | |
1794 | SET_FLAG(attr->flag, BGP_ATTR_ORIGINATOR_ID); | |
1795 | } | |
3f9c7369 | 1796 | |
d62a17ae | 1797 | /* Remove MED if its an EBGP peer - will get overwritten by route-maps |
1798 | */ | |
1799 | if (peer->sort == BGP_PEER_EBGP | |
1800 | && attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) { | |
1801 | if (from != bgp->peer_self && !transparent | |
1802 | && !CHECK_FLAG(peer->af_flags[afi][safi], | |
1803 | PEER_FLAG_MED_UNCHANGED)) | |
1804 | attr->flag &= | |
1805 | ~(ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)); | |
1806 | } | |
3f9c7369 | 1807 | |
d62a17ae | 1808 | /* Since the nexthop attribute can vary per peer, it is not explicitly |
1809 | * set | |
1810 | * in announce check, only certain flags and length (or number of | |
1811 | * nexthops | |
1812 | * -- for IPv6/MP_REACH) are set here in order to guide the update | |
1813 | * formation | |
1814 | * code in setting the nexthop(s) on a per peer basis in | |
1815 | * reformat_peer(). | |
1816 | * Typically, the source nexthop in the attribute is preserved but in | |
1817 | * the | |
1818 | * scenarios where we know it will always be overwritten, we reset the | |
1819 | * nexthop to "0" in an attempt to achieve better Update packing. An | |
1820 | * example of this is when a prefix from each of 2 IBGP peers needs to | |
1821 | * be | |
1822 | * announced to an EBGP peer (and they have the same attributes barring | |
1823 | * their nexthop). | |
1824 | */ | |
1825 | if (reflect) | |
1826 | SET_FLAG(attr->rmap_change_flags, BATTR_REFLECTED); | |
1827 | ||
1828 | #define NEXTHOP_IS_V6 \ | |
1829 | ((safi != SAFI_ENCAP && safi != SAFI_MPLS_VPN \ | |
1830 | && (p->family == AF_INET6 || peer_cap_enhe(peer, afi, safi))) \ | |
1831 | || ((safi == SAFI_ENCAP || safi == SAFI_MPLS_VPN) \ | |
1832 | && attr->mp_nexthop_len >= IPV6_MAX_BYTELEN)) | |
1833 | ||
1834 | /* IPv6/MP starts with 1 nexthop. The link-local address is passed only | |
1835 | * if | |
1836 | * the peer (group) is configured to receive link-local nexthop | |
1837 | * unchanged | |
c728d027 DA |
1838 | * and it is available in the prefix OR we're not reflecting the route, |
1839 | * link-local nexthop address is valid and | |
d62a17ae | 1840 | * the peer (group) to whom we're going to announce is on a shared |
1841 | * network | |
1842 | * and this is either a self-originated route or the peer is EBGP. | |
c728d027 DA |
1843 | * By checking if nexthop LL address is valid we are sure that |
1844 | * we do not announce LL address as `::`. | |
d62a17ae | 1845 | */ |
1846 | if (NEXTHOP_IS_V6) { | |
1847 | attr->mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; | |
1848 | if ((CHECK_FLAG(peer->af_flags[afi][safi], | |
1849 | PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED) | |
1850 | && IN6_IS_ADDR_LINKLOCAL(&attr->mp_nexthop_local)) | |
c728d027 DA |
1851 | || (!reflect |
1852 | && IN6_IS_ADDR_LINKLOCAL(&peer->nexthop.v6_local) | |
1853 | && peer->shared_network | |
d62a17ae | 1854 | && (from == bgp->peer_self |
1855 | || peer->sort == BGP_PEER_EBGP))) { | |
1856 | attr->mp_nexthop_len = | |
1857 | BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL; | |
1858 | } | |
3f9c7369 | 1859 | |
d62a17ae | 1860 | /* Clear off link-local nexthop in source, whenever it is not |
1861 | * needed to | |
1862 | * ensure more prefixes share the same attribute for | |
1863 | * announcement. | |
1864 | */ | |
1865 | if (!(CHECK_FLAG(peer->af_flags[afi][safi], | |
1866 | PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED))) | |
1867 | memset(&attr->mp_nexthop_local, 0, IPV6_MAX_BYTELEN); | |
1868 | } | |
3f9c7369 | 1869 | |
d62a17ae | 1870 | bgp_peer_remove_private_as(bgp, afi, safi, peer, attr); |
1871 | bgp_peer_as_override(bgp, afi, safi, peer, attr); | |
1872 | ||
1873 | /* Route map & unsuppress-map apply. */ | |
40381db7 | 1874 | if (ROUTE_MAP_OUT_NAME(filter) || (pi->extra && pi->extra->suppress)) { |
b8694ef4 DS |
1875 | struct bgp_path_info rmap_path = {0}; |
1876 | struct bgp_path_info_extra dummy_rmap_path_extra = {0}; | |
1877 | struct attr dummy_attr = {0}; | |
d62a17ae | 1878 | |
40381db7 DS |
1879 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
1880 | rmap_path.peer = peer; | |
1881 | rmap_path.attr = attr; | |
196c6b09 | 1882 | rmap_path.net = rn; |
d37ba549 | 1883 | |
40381db7 DS |
1884 | if (pi->extra) { |
1885 | memcpy(&dummy_rmap_path_extra, pi->extra, | |
4b7e6066 | 1886 | sizeof(struct bgp_path_info_extra)); |
40381db7 | 1887 | rmap_path.extra = &dummy_rmap_path_extra; |
16f7ce2b MK |
1888 | } |
1889 | ||
d62a17ae | 1890 | /* don't confuse inbound and outbound setting */ |
1891 | RESET_FLAG(attr->rmap_change_flags); | |
1892 | ||
1893 | /* | |
1894 | * The route reflector is not allowed to modify the attributes | |
1895 | * of the reflected IBGP routes unless explicitly allowed. | |
1896 | */ | |
1897 | if ((from->sort == BGP_PEER_IBGP && peer->sort == BGP_PEER_IBGP) | |
1898 | && !bgp_flag_check(bgp, | |
1899 | BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY)) { | |
6f4f49b2 | 1900 | dummy_attr = *attr; |
40381db7 | 1901 | rmap_path.attr = &dummy_attr; |
d62a17ae | 1902 | } |
3f9c7369 | 1903 | |
d62a17ae | 1904 | SET_FLAG(peer->rmap_type, PEER_RMAP_TYPE_OUT); |
3f9c7369 | 1905 | |
40381db7 | 1906 | if (pi->extra && pi->extra->suppress) |
d62a17ae | 1907 | ret = route_map_apply(UNSUPPRESS_MAP(filter), p, |
40381db7 | 1908 | RMAP_BGP, &rmap_path); |
d62a17ae | 1909 | else |
1910 | ret = route_map_apply(ROUTE_MAP_OUT(filter), p, | |
40381db7 | 1911 | RMAP_BGP, &rmap_path); |
d62a17ae | 1912 | |
1913 | peer->rmap_type = 0; | |
1914 | ||
1915 | if (ret == RMAP_DENYMATCH) { | |
778048bf AD |
1916 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) |
1917 | zlog_debug("%s [Update:SEND] %s is filtered by route-map", | |
1918 | peer->host, prefix2str(p, buf, sizeof(buf))); | |
1919 | ||
d62a17ae | 1920 | bgp_attr_flush(attr); |
1921 | return 0; | |
1922 | } | |
3f9c7369 | 1923 | } |
3f9c7369 | 1924 | |
9dac9fc8 DA |
1925 | /* RFC 8212 to prevent route leaks. |
1926 | * This specification intends to improve this situation by requiring the | |
1927 | * explicit configuration of both BGP Import and Export Policies for any | |
1928 | * External BGP (EBGP) session such as customers, peers, or | |
1929 | * confederation boundaries for all enabled address families. Through | |
1930 | * codification of the aforementioned requirement, operators will | |
1931 | * benefit from consistent behavior across different BGP | |
1932 | * implementations. | |
1933 | */ | |
1934 | if (peer->bgp->ebgp_requires_policy | |
1935 | == DEFAULT_EBGP_POLICY_ENABLED) | |
1936 | if (!bgp_outbound_policy_exists(peer, filter)) | |
1937 | return 0; | |
1938 | ||
fb29348a DA |
1939 | /* draft-ietf-idr-deprecate-as-set-confed-set |
1940 | * Filter routes having AS_SET or AS_CONFED_SET in the path. | |
1941 | * Eventually, This document (if approved) updates RFC 4271 | |
1942 | * and RFC 5065 by eliminating AS_SET and AS_CONFED_SET types, | |
1943 | * and obsoletes RFC 6472. | |
1944 | */ | |
1945 | if (peer->bgp->reject_as_sets == BGP_REJECT_AS_SETS_ENABLED) | |
1946 | if (aspath_check_as_sets(attr->aspath)) | |
1947 | return 0; | |
1948 | ||
7f323236 | 1949 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) { |
a4d82a8a PZ |
1950 | if (peer->sort == BGP_PEER_IBGP |
1951 | || peer->sort == BGP_PEER_CONFED) { | |
7f323236 DW |
1952 | attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); |
1953 | attr->local_pref = BGP_GSHUT_LOCAL_PREF; | |
1954 | } else { | |
1955 | bgp_attr_add_gshut_community(attr); | |
1956 | } | |
1957 | } | |
1958 | ||
d62a17ae | 1959 | /* After route-map has been applied, we check to see if the nexthop to |
1960 | * be carried in the attribute (that is used for the announcement) can | |
1961 | * be cleared off or not. We do this in all cases where we would be | |
1962 | * setting the nexthop to "ourselves". For IPv6, we only need to | |
1963 | * consider | |
1964 | * the global nexthop here; the link-local nexthop would have been | |
1965 | * cleared | |
1966 | * already, and if not, it is required by the update formation code. | |
1967 | * Also see earlier comments in this function. | |
1968 | */ | |
1969 | /* | |
1970 | * If route-map has performed some operation on the nexthop or the peer | |
1971 | * configuration says to pass it unchanged, we cannot reset the nexthop | |
1972 | * here, so only attempt to do it if these aren't true. Note that the | |
1973 | * route-map handler itself might have cleared the nexthop, if for | |
1974 | * example, | |
1975 | * it is configured as 'peer-address'. | |
1976 | */ | |
1977 | if (!bgp_rmap_nhop_changed(attr->rmap_change_flags, | |
40381db7 | 1978 | piattr->rmap_change_flags) |
d62a17ae | 1979 | && !transparent |
1980 | && !CHECK_FLAG(peer->af_flags[afi][safi], | |
1981 | PEER_FLAG_NEXTHOP_UNCHANGED)) { | |
1982 | /* We can reset the nexthop, if setting (or forcing) it to | |
1983 | * 'self' */ | |
1984 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
1985 | PEER_FLAG_NEXTHOP_SELF) | |
1986 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
1987 | PEER_FLAG_FORCE_NEXTHOP_SELF)) { | |
1988 | if (!reflect | |
1989 | || CHECK_FLAG(peer->af_flags[afi][safi], | |
1990 | PEER_FLAG_FORCE_NEXTHOP_SELF)) | |
1991 | subgroup_announce_reset_nhop( | |
1992 | (peer_cap_enhe(peer, afi, safi) | |
1993 | ? AF_INET6 | |
1994 | : p->family), | |
1995 | attr); | |
1996 | } else if (peer->sort == BGP_PEER_EBGP) { | |
1997 | /* Can also reset the nexthop if announcing to EBGP, but | |
1998 | * only if | |
1999 | * no peer in the subgroup is on a shared subnet. | |
2000 | * Note: 3rd party nexthop currently implemented for | |
2001 | * IPv4 only. | |
2002 | */ | |
737af885 BS |
2003 | if ((p->family == AF_INET) && |
2004 | (!bgp_subgrp_multiaccess_check_v4( | |
2005 | piattr->nexthop, | |
2006 | subgrp))) | |
d62a17ae | 2007 | subgroup_announce_reset_nhop( |
2008 | (peer_cap_enhe(peer, afi, safi) | |
a4d82a8a PZ |
2009 | ? AF_INET6 |
2010 | : p->family), | |
737af885 BS |
2011 | attr); |
2012 | ||
2013 | if ((p->family == AF_INET6) && | |
2014 | (!bgp_subgrp_multiaccess_check_v6( | |
2015 | piattr->mp_nexthop_global, | |
2016 | subgrp))) | |
2017 | subgroup_announce_reset_nhop( | |
2018 | (peer_cap_enhe(peer, afi, safi) | |
2019 | ? AF_INET6 | |
2020 | : p->family), | |
2021 | attr); | |
2022 | ||
2023 | ||
2024 | ||
40381db7 | 2025 | } else if (CHECK_FLAG(pi->flags, BGP_PATH_ANNC_NH_SELF)) { |
960035b2 PZ |
2026 | /* |
2027 | * This flag is used for leaked vpn-vrf routes | |
2028 | */ | |
2029 | int family = p->family; | |
2030 | ||
2031 | if (peer_cap_enhe(peer, afi, safi)) | |
2032 | family = AF_INET6; | |
2033 | ||
2034 | if (bgp_debug_update(NULL, p, subgrp->update_group, 0)) | |
2035 | zlog_debug( | |
1defdda8 | 2036 | "%s: BGP_PATH_ANNC_NH_SELF, family=%s", |
960035b2 PZ |
2037 | __func__, family2str(family)); |
2038 | subgroup_announce_reset_nhop(family, attr); | |
d62a17ae | 2039 | } |
63696f1d | 2040 | } |
960035b2 | 2041 | |
63696f1d | 2042 | /* If IPv6/MP and nexthop does not have any override and happens |
2043 | * to | |
2044 | * be a link-local address, reset it so that we don't pass along | |
2045 | * the | |
2046 | * source's link-local IPv6 address to recipients who may not be | |
2047 | * on | |
2048 | * the same interface. | |
2049 | */ | |
2050 | if (p->family == AF_INET6 || peer_cap_enhe(peer, afi, safi)) { | |
2051 | if (IN6_IS_ADDR_LINKLOCAL(&attr->mp_nexthop_global)) | |
2052 | subgroup_announce_reset_nhop(AF_INET6, attr); | |
d62a17ae | 2053 | } |
3f9c7369 | 2054 | |
d62a17ae | 2055 | return 1; |
3f9c7369 DS |
2056 | } |
2057 | ||
f009ff26 | 2058 | static int bgp_route_select_timer_expire(struct thread *thread) |
2059 | { | |
2060 | struct afi_safi_info *info; | |
2061 | afi_t afi; | |
2062 | safi_t safi; | |
2063 | struct bgp *bgp; | |
2064 | ||
2065 | info = THREAD_ARG(thread); | |
2066 | afi = info->afi; | |
2067 | safi = info->safi; | |
2068 | bgp = info->bgp; | |
2069 | ||
2070 | if (BGP_DEBUG(update, UPDATE_OUT)) | |
2071 | zlog_debug("afi %d, safi %d : route select timer expired", | |
2072 | afi, safi); | |
2073 | ||
2074 | bgp->gr_info[afi][safi].t_route_select = NULL; | |
2075 | ||
2076 | XFREE(MTYPE_TMP, info); | |
2077 | ||
2078 | /* Best path selection */ | |
2079 | return bgp_best_path_select_defer(bgp, afi, safi); | |
2080 | } | |
2081 | ||
d62a17ae | 2082 | void bgp_best_selection(struct bgp *bgp, struct bgp_node *rn, |
2083 | struct bgp_maxpaths_cfg *mpath_cfg, | |
4b7e6066 DS |
2084 | struct bgp_path_info_pair *result, afi_t afi, |
2085 | safi_t safi) | |
2086 | { | |
2087 | struct bgp_path_info *new_select; | |
2088 | struct bgp_path_info *old_select; | |
40381db7 DS |
2089 | struct bgp_path_info *pi; |
2090 | struct bgp_path_info *pi1; | |
2091 | struct bgp_path_info *pi2; | |
2092 | struct bgp_path_info *nextpi = NULL; | |
d62a17ae | 2093 | int paths_eq, do_mpath, debug; |
2094 | struct list mp_list; | |
2095 | char pfx_buf[PREFIX2STR_BUFFER]; | |
2096 | char path_buf[PATH_ADDPATH_STR_BUFFER]; | |
2097 | ||
2098 | bgp_mp_list_init(&mp_list); | |
2099 | do_mpath = | |
2100 | (mpath_cfg->maxpaths_ebgp > 1 || mpath_cfg->maxpaths_ibgp > 1); | |
2101 | ||
2102 | debug = bgp_debug_bestpath(&rn->p); | |
2103 | ||
2104 | if (debug) | |
2105 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2106 | ||
2107 | /* bgp deterministic-med */ | |
2108 | new_select = NULL; | |
2109 | if (bgp_flag_check(bgp, BGP_FLAG_DETERMINISTIC_MED)) { | |
2110 | ||
1defdda8 | 2111 | /* Clear BGP_PATH_DMED_SELECTED for all paths */ |
6f94b685 DS |
2112 | for (pi1 = bgp_node_get_bgp_path_info(rn); pi1; |
2113 | pi1 = pi1->next) | |
40381db7 | 2114 | bgp_path_info_unset_flag(rn, pi1, |
18ee8310 | 2115 | BGP_PATH_DMED_SELECTED); |
d62a17ae | 2116 | |
6f94b685 DS |
2117 | for (pi1 = bgp_node_get_bgp_path_info(rn); pi1; |
2118 | pi1 = pi1->next) { | |
40381db7 | 2119 | if (CHECK_FLAG(pi1->flags, BGP_PATH_DMED_CHECK)) |
d62a17ae | 2120 | continue; |
40381db7 | 2121 | if (BGP_PATH_HOLDDOWN(pi1)) |
d62a17ae | 2122 | continue; |
ea8b2282 | 2123 | if (pi1->peer != bgp->peer_self) |
40381db7 | 2124 | if (pi1->peer->status != Established) |
d62a17ae | 2125 | continue; |
2126 | ||
40381db7 DS |
2127 | new_select = pi1; |
2128 | if (pi1->next) { | |
2129 | for (pi2 = pi1->next; pi2; pi2 = pi2->next) { | |
2130 | if (CHECK_FLAG(pi2->flags, | |
1defdda8 | 2131 | BGP_PATH_DMED_CHECK)) |
d62a17ae | 2132 | continue; |
40381db7 | 2133 | if (BGP_PATH_HOLDDOWN(pi2)) |
d62a17ae | 2134 | continue; |
ea8b2282 | 2135 | if (pi2->peer != bgp->peer_self |
d62a17ae | 2136 | && !CHECK_FLAG( |
ea8b2282 DS |
2137 | pi2->peer->sflags, |
2138 | PEER_STATUS_NSF_WAIT)) | |
40381db7 | 2139 | if (pi2->peer->status |
d62a17ae | 2140 | != Established) |
2141 | continue; | |
2142 | ||
121e245d DS |
2143 | if (!aspath_cmp_left(pi1->attr->aspath, |
2144 | pi2->attr->aspath) | |
2145 | && !aspath_cmp_left_confed( | |
40381db7 | 2146 | pi1->attr->aspath, |
121e245d DS |
2147 | pi2->attr->aspath)) |
2148 | continue; | |
d62a17ae | 2149 | |
121e245d DS |
2150 | if (bgp_path_info_cmp( |
2151 | bgp, pi2, new_select, | |
2152 | &paths_eq, mpath_cfg, debug, | |
fdf81fa0 DS |
2153 | pfx_buf, afi, safi, |
2154 | &rn->reason)) { | |
121e245d DS |
2155 | bgp_path_info_unset_flag( |
2156 | rn, new_select, | |
2157 | BGP_PATH_DMED_SELECTED); | |
2158 | new_select = pi2; | |
d62a17ae | 2159 | } |
121e245d DS |
2160 | |
2161 | bgp_path_info_set_flag( | |
2162 | rn, pi2, BGP_PATH_DMED_CHECK); | |
d62a17ae | 2163 | } |
2164 | } | |
18ee8310 DS |
2165 | bgp_path_info_set_flag(rn, new_select, |
2166 | BGP_PATH_DMED_CHECK); | |
2167 | bgp_path_info_set_flag(rn, new_select, | |
2168 | BGP_PATH_DMED_SELECTED); | |
d62a17ae | 2169 | |
2170 | if (debug) { | |
18ee8310 DS |
2171 | bgp_path_info_path_with_addpath_rx_str( |
2172 | new_select, path_buf); | |
c66faab1 | 2173 | zlog_debug("%s: %s is the bestpath from AS %u", |
d62a17ae | 2174 | pfx_buf, path_buf, |
2175 | aspath_get_first_as( | |
2176 | new_select->attr->aspath)); | |
2177 | } | |
2178 | } | |
2179 | } | |
96450faf | 2180 | |
d62a17ae | 2181 | /* Check old selected route and new selected route. */ |
2182 | old_select = NULL; | |
2183 | new_select = NULL; | |
6f94b685 DS |
2184 | for (pi = bgp_node_get_bgp_path_info(rn); |
2185 | (pi != NULL) && (nextpi = pi->next, 1); pi = nextpi) { | |
40381db7 DS |
2186 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) |
2187 | old_select = pi; | |
d62a17ae | 2188 | |
40381db7 | 2189 | if (BGP_PATH_HOLDDOWN(pi)) { |
d62a17ae | 2190 | /* reap REMOVED routes, if needs be |
2191 | * selected route must stay for a while longer though | |
2192 | */ | |
40381db7 DS |
2193 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) |
2194 | && (pi != old_select)) | |
2195 | bgp_path_info_reap(rn, pi); | |
d62a17ae | 2196 | |
ddb5b488 | 2197 | if (debug) |
40381db7 DS |
2198 | zlog_debug("%s: pi %p in holddown", __func__, |
2199 | pi); | |
ddb5b488 | 2200 | |
d62a17ae | 2201 | continue; |
2202 | } | |
96450faf | 2203 | |
40381db7 DS |
2204 | if (pi->peer && pi->peer != bgp->peer_self |
2205 | && !CHECK_FLAG(pi->peer->sflags, PEER_STATUS_NSF_WAIT)) | |
2206 | if (pi->peer->status != Established) { | |
ddb5b488 PZ |
2207 | |
2208 | if (debug) | |
2209 | zlog_debug( | |
40381db7 DS |
2210 | "%s: pi %p non self peer %s not estab state", |
2211 | __func__, pi, pi->peer->host); | |
ddb5b488 | 2212 | |
d62a17ae | 2213 | continue; |
ddb5b488 | 2214 | } |
9fbdd100 | 2215 | |
d62a17ae | 2216 | if (bgp_flag_check(bgp, BGP_FLAG_DETERMINISTIC_MED) |
40381db7 DS |
2217 | && (!CHECK_FLAG(pi->flags, BGP_PATH_DMED_SELECTED))) { |
2218 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_DMED_CHECK); | |
ddb5b488 | 2219 | if (debug) |
40381db7 | 2220 | zlog_debug("%s: pi %p dmed", __func__, pi); |
d62a17ae | 2221 | continue; |
2222 | } | |
9fbdd100 | 2223 | |
40381db7 | 2224 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_DMED_CHECK); |
06370dac | 2225 | |
40381db7 | 2226 | if (bgp_path_info_cmp(bgp, pi, new_select, &paths_eq, mpath_cfg, |
fdf81fa0 | 2227 | debug, pfx_buf, afi, safi, &rn->reason)) { |
40381db7 | 2228 | new_select = pi; |
d62a17ae | 2229 | } |
2230 | } | |
718e3744 | 2231 | |
d62a17ae | 2232 | /* Now that we know which path is the bestpath see if any of the other |
2233 | * paths | |
2234 | * qualify as multipaths | |
2235 | */ | |
2236 | if (debug) { | |
2237 | if (new_select) | |
18ee8310 DS |
2238 | bgp_path_info_path_with_addpath_rx_str(new_select, |
2239 | path_buf); | |
d62a17ae | 2240 | else |
2241 | sprintf(path_buf, "NONE"); | |
2242 | zlog_debug( | |
2243 | "%s: After path selection, newbest is %s oldbest was %s", | |
2244 | pfx_buf, path_buf, | |
2245 | old_select ? old_select->peer->host : "NONE"); | |
96450faf | 2246 | } |
9fbdd100 | 2247 | |
d62a17ae | 2248 | if (do_mpath && new_select) { |
6f94b685 DS |
2249 | for (pi = bgp_node_get_bgp_path_info(rn); |
2250 | (pi != NULL) && (nextpi = pi->next, 1); pi = nextpi) { | |
d62a17ae | 2251 | |
2252 | if (debug) | |
18ee8310 | 2253 | bgp_path_info_path_with_addpath_rx_str( |
40381db7 | 2254 | pi, path_buf); |
d62a17ae | 2255 | |
40381db7 | 2256 | if (pi == new_select) { |
d62a17ae | 2257 | if (debug) |
2258 | zlog_debug( | |
2259 | "%s: %s is the bestpath, add to the multipath list", | |
2260 | pfx_buf, path_buf); | |
40381db7 | 2261 | bgp_mp_list_add(&mp_list, pi); |
d62a17ae | 2262 | continue; |
2263 | } | |
2264 | ||
40381db7 | 2265 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 2266 | continue; |
2267 | ||
40381db7 DS |
2268 | if (pi->peer && pi->peer != bgp->peer_self |
2269 | && !CHECK_FLAG(pi->peer->sflags, | |
d62a17ae | 2270 | PEER_STATUS_NSF_WAIT)) |
40381db7 | 2271 | if (pi->peer->status != Established) |
d62a17ae | 2272 | continue; |
2273 | ||
40381db7 | 2274 | if (!bgp_path_info_nexthop_cmp(pi, new_select)) { |
d62a17ae | 2275 | if (debug) |
2276 | zlog_debug( | |
2277 | "%s: %s has the same nexthop as the bestpath, skip it", | |
2278 | pfx_buf, path_buf); | |
2279 | continue; | |
2280 | } | |
2281 | ||
40381db7 | 2282 | bgp_path_info_cmp(bgp, pi, new_select, &paths_eq, |
fdf81fa0 DS |
2283 | mpath_cfg, debug, pfx_buf, afi, safi, |
2284 | &rn->reason); | |
d62a17ae | 2285 | |
2286 | if (paths_eq) { | |
2287 | if (debug) | |
2288 | zlog_debug( | |
2289 | "%s: %s is equivalent to the bestpath, add to the multipath list", | |
2290 | pfx_buf, path_buf); | |
40381db7 | 2291 | bgp_mp_list_add(&mp_list, pi); |
d62a17ae | 2292 | } |
2293 | } | |
2294 | } | |
fee0f4c6 | 2295 | |
18ee8310 DS |
2296 | bgp_path_info_mpath_update(rn, new_select, old_select, &mp_list, |
2297 | mpath_cfg); | |
2298 | bgp_path_info_mpath_aggregate_update(new_select, old_select); | |
d62a17ae | 2299 | bgp_mp_list_clear(&mp_list); |
96450faf | 2300 | |
dcc68b5e MS |
2301 | bgp_addpath_update_ids(bgp, rn, afi, safi); |
2302 | ||
d62a17ae | 2303 | result->old = old_select; |
2304 | result->new = new_select; | |
96450faf | 2305 | |
d62a17ae | 2306 | return; |
fee0f4c6 | 2307 | } |
2308 | ||
3f9c7369 DS |
2309 | /* |
2310 | * A new route/change in bestpath of an existing route. Evaluate the path | |
2311 | * for advertisement to the subgroup. | |
2312 | */ | |
d62a17ae | 2313 | int subgroup_process_announce_selected(struct update_subgroup *subgrp, |
4b7e6066 | 2314 | struct bgp_path_info *selected, |
d62a17ae | 2315 | struct bgp_node *rn, |
d7c0a89a | 2316 | uint32_t addpath_tx_id) |
d62a17ae | 2317 | { |
2318 | struct prefix *p; | |
2319 | struct peer *onlypeer; | |
2320 | struct attr attr; | |
2321 | afi_t afi; | |
2322 | safi_t safi; | |
adbac85e | 2323 | |
d62a17ae | 2324 | p = &rn->p; |
2325 | afi = SUBGRP_AFI(subgrp); | |
2326 | safi = SUBGRP_SAFI(subgrp); | |
2327 | onlypeer = ((SUBGRP_PCOUNT(subgrp) == 1) ? (SUBGRP_PFIRST(subgrp))->peer | |
2328 | : NULL); | |
2329 | ||
e0207895 PZ |
2330 | if (BGP_DEBUG(update, UPDATE_OUT)) { |
2331 | char buf_prefix[PREFIX_STRLEN]; | |
2332 | prefix2str(p, buf_prefix, sizeof(buf_prefix)); | |
ddb5b488 PZ |
2333 | zlog_debug("%s: p=%s, selected=%p", __func__, buf_prefix, |
2334 | selected); | |
e0207895 PZ |
2335 | } |
2336 | ||
d62a17ae | 2337 | /* First update is deferred until ORF or ROUTE-REFRESH is received */ |
996c9314 LB |
2338 | if (onlypeer && CHECK_FLAG(onlypeer->af_sflags[afi][safi], |
2339 | PEER_STATUS_ORF_WAIT_REFRESH)) | |
d62a17ae | 2340 | return 0; |
2341 | ||
2342 | memset(&attr, 0, sizeof(struct attr)); | |
2343 | /* It's initialized in bgp_announce_check() */ | |
2344 | ||
2345 | /* Announcement to the subgroup. If the route is filtered withdraw it. | |
2346 | */ | |
2347 | if (selected) { | |
2348 | if (subgroup_announce_check(rn, selected, subgrp, p, &attr)) | |
2349 | bgp_adj_out_set_subgroup(rn, subgrp, &attr, selected); | |
2350 | else | |
2351 | bgp_adj_out_unset_subgroup(rn, subgrp, 1, | |
dcc68b5e | 2352 | addpath_tx_id); |
d62a17ae | 2353 | } |
2354 | ||
2355 | /* If selected is NULL we must withdraw the path using addpath_tx_id */ | |
2356 | else { | |
2357 | bgp_adj_out_unset_subgroup(rn, subgrp, 1, addpath_tx_id); | |
2358 | } | |
558d1fec | 2359 | |
d62a17ae | 2360 | return 0; |
200df115 | 2361 | } |
fee0f4c6 | 2362 | |
3064bf43 | 2363 | /* |
e1072051 | 2364 | * Clear IGP changed flag and attribute changed flag for a route (all paths). |
2365 | * This is called at the end of route processing. | |
3064bf43 | 2366 | */ |
d62a17ae | 2367 | void bgp_zebra_clear_route_change_flags(struct bgp_node *rn) |
3064bf43 | 2368 | { |
40381db7 | 2369 | struct bgp_path_info *pi; |
3064bf43 | 2370 | |
6f94b685 | 2371 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 2372 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 2373 | continue; |
40381db7 DS |
2374 | UNSET_FLAG(pi->flags, BGP_PATH_IGP_CHANGED); |
2375 | UNSET_FLAG(pi->flags, BGP_PATH_ATTR_CHANGED); | |
d62a17ae | 2376 | } |
3064bf43 | 2377 | } |
2378 | ||
2379 | /* | |
2380 | * Has the route changed from the RIB's perspective? This is invoked only | |
2381 | * if the route selection returns the same best route as earlier - to | |
2382 | * determine if we need to update zebra or not. | |
2383 | */ | |
4b7e6066 DS |
2384 | int bgp_zebra_has_route_changed(struct bgp_node *rn, |
2385 | struct bgp_path_info *selected) | |
d62a17ae | 2386 | { |
4b7e6066 | 2387 | struct bgp_path_info *mpinfo; |
d62a17ae | 2388 | |
2bb9eff4 DS |
2389 | /* If this is multipath, check all selected paths for any nexthop |
2390 | * change or attribute change. Some attribute changes (e.g., community) | |
2391 | * aren't of relevance to the RIB, but we'll update zebra to ensure | |
2392 | * we handle the case of BGP nexthop change. This is the behavior | |
2393 | * when the best path has an attribute change anyway. | |
d62a17ae | 2394 | */ |
1defdda8 DS |
2395 | if (CHECK_FLAG(selected->flags, BGP_PATH_IGP_CHANGED) |
2396 | || CHECK_FLAG(selected->flags, BGP_PATH_MULTIPATH_CHG)) | |
d62a17ae | 2397 | return 1; |
2398 | ||
2bb9eff4 DS |
2399 | /* |
2400 | * If this is multipath, check all selected paths for any nexthop change | |
d62a17ae | 2401 | */ |
18ee8310 DS |
2402 | for (mpinfo = bgp_path_info_mpath_first(selected); mpinfo; |
2403 | mpinfo = bgp_path_info_mpath_next(mpinfo)) { | |
1defdda8 DS |
2404 | if (CHECK_FLAG(mpinfo->flags, BGP_PATH_IGP_CHANGED) |
2405 | || CHECK_FLAG(mpinfo->flags, BGP_PATH_ATTR_CHANGED)) | |
d62a17ae | 2406 | return 1; |
2407 | } | |
3064bf43 | 2408 | |
d62a17ae | 2409 | /* Nothing has changed from the RIB's perspective. */ |
2410 | return 0; | |
3064bf43 | 2411 | } |
2412 | ||
d62a17ae | 2413 | struct bgp_process_queue { |
2414 | struct bgp *bgp; | |
a4d82a8a | 2415 | STAILQ_HEAD(, bgp_node) pqueue; |
aac24838 JB |
2416 | #define BGP_PROCESS_QUEUE_EOIU_MARKER (1 << 0) |
2417 | unsigned int flags; | |
2418 | unsigned int queued; | |
200df115 | 2419 | }; |
2420 | ||
3103e8d2 DS |
2421 | /* |
2422 | * old_select = The old best path | |
2423 | * new_select = the new best path | |
2424 | * | |
2425 | * if (!old_select && new_select) | |
2426 | * We are sending new information on. | |
2427 | * | |
2428 | * if (old_select && new_select) { | |
2429 | * if (new_select != old_select) | |
2430 | * We have a new best path send a change | |
2431 | * else | |
2432 | * We've received a update with new attributes that needs | |
2433 | * to be passed on. | |
2434 | * } | |
2435 | * | |
2436 | * if (old_select && !new_select) | |
2437 | * We have no eligible route that we can announce or the rn | |
2438 | * is being removed. | |
2439 | */ | |
aac24838 JB |
2440 | static void bgp_process_main_one(struct bgp *bgp, struct bgp_node *rn, |
2441 | afi_t afi, safi_t safi) | |
d62a17ae | 2442 | { |
4b7e6066 DS |
2443 | struct bgp_path_info *new_select; |
2444 | struct bgp_path_info *old_select; | |
2445 | struct bgp_path_info_pair old_and_new; | |
ddb5b488 PZ |
2446 | char pfx_buf[PREFIX2STR_BUFFER]; |
2447 | int debug = 0; | |
d62a17ae | 2448 | |
f4c713ae LB |
2449 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS)) { |
2450 | if (rn) | |
2451 | debug = bgp_debug_bestpath(&rn->p); | |
2452 | if (debug) { | |
2453 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2454 | zlog_debug( | |
2455 | "%s: bgp delete in progress, ignoring event, p=%s", | |
2456 | __func__, pfx_buf); | |
2457 | } | |
2458 | return; | |
2459 | } | |
d62a17ae | 2460 | /* Is it end of initial update? (after startup) */ |
2461 | if (!rn) { | |
2462 | quagga_timestamp(3, bgp->update_delay_zebra_resume_time, | |
2463 | sizeof(bgp->update_delay_zebra_resume_time)); | |
2464 | ||
2465 | bgp->main_zebra_update_hold = 0; | |
05c7a1cc QY |
2466 | FOREACH_AFI_SAFI (afi, safi) { |
2467 | if (bgp_fibupd_safi(safi)) | |
2468 | bgp_zebra_announce_table(bgp, afi, safi); | |
2469 | } | |
d62a17ae | 2470 | bgp->main_peers_update_hold = 0; |
2471 | ||
2472 | bgp_start_routeadv(bgp); | |
aac24838 | 2473 | return; |
d62a17ae | 2474 | } |
cb1faec9 | 2475 | |
b575a12c A |
2476 | struct prefix *p = &rn->p; |
2477 | ||
ddb5b488 PZ |
2478 | debug = bgp_debug_bestpath(&rn->p); |
2479 | if (debug) { | |
2480 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2481 | zlog_debug("%s: p=%s afi=%s, safi=%s start", __func__, pfx_buf, | |
2482 | afi2str(afi), safi2str(safi)); | |
2483 | } | |
2484 | ||
f009ff26 | 2485 | /* The best path calculation for the route is deferred if |
2486 | * BGP_NODE_SELECT_DEFER is set | |
2487 | */ | |
2488 | if (CHECK_FLAG(rn->flags, BGP_NODE_SELECT_DEFER)) { | |
2489 | if (BGP_DEBUG(update, UPDATE_OUT)) | |
2ba1fe69 | 2490 | zlog_debug("SELECT_DEFER falg set for route %p", rn); |
f009ff26 | 2491 | return; |
2492 | } | |
2493 | ||
d62a17ae | 2494 | /* Best path selection. */ |
2495 | bgp_best_selection(bgp, rn, &bgp->maxpaths[afi][safi], &old_and_new, | |
2496 | afi, safi); | |
2497 | old_select = old_and_new.old; | |
2498 | new_select = old_and_new.new; | |
2499 | ||
2500 | /* Do we need to allocate or free labels? | |
2501 | * Right now, since we only deal with per-prefix labels, it is not | |
57592a53 AD |
2502 | * necessary to do this upon changes to best path. Exceptions: |
2503 | * - label index has changed -> recalculate resulting label | |
2504 | * - path_info sub_type changed -> switch to/from implicit-null | |
2505 | * - no valid label (due to removed static label binding) -> get new one | |
d62a17ae | 2506 | */ |
318cac96 | 2507 | if (bgp->allocate_mpls_labels[afi][safi]) { |
d62a17ae | 2508 | if (new_select) { |
2509 | if (!old_select | |
2510 | || bgp_label_index_differs(new_select, old_select) | |
57592a53 AD |
2511 | || new_select->sub_type != old_select->sub_type |
2512 | || !bgp_is_valid_label(&rn->local_label)) { | |
2513 | /* Enforced penultimate hop popping: | |
2514 | * implicit-null for local routes, aggregate | |
2515 | * and redistributed routes | |
2516 | */ | |
d62a17ae | 2517 | if (new_select->sub_type == BGP_ROUTE_STATIC |
57592a53 AD |
2518 | || new_select->sub_type |
2519 | == BGP_ROUTE_AGGREGATE | |
2520 | || new_select->sub_type | |
2521 | == BGP_ROUTE_REDISTRIBUTE) { | |
d62a17ae | 2522 | if (CHECK_FLAG( |
2523 | rn->flags, | |
2524 | BGP_NODE_REGISTERED_FOR_LABEL)) | |
2525 | bgp_unregister_for_label(rn); | |
70e98a7f | 2526 | label_ntop(MPLS_LABEL_IMPLICIT_NULL, 1, |
d62a17ae | 2527 | &rn->local_label); |
2528 | bgp_set_valid_label(&rn->local_label); | |
2529 | } else | |
2530 | bgp_register_for_label(rn, new_select); | |
2531 | } | |
a4d82a8a PZ |
2532 | } else if (CHECK_FLAG(rn->flags, |
2533 | BGP_NODE_REGISTERED_FOR_LABEL)) { | |
d62a17ae | 2534 | bgp_unregister_for_label(rn); |
318cac96 DW |
2535 | } |
2536 | } else if (CHECK_FLAG(rn->flags, BGP_NODE_REGISTERED_FOR_LABEL)) { | |
2537 | bgp_unregister_for_label(rn); | |
d62a17ae | 2538 | } |
cd1964ff | 2539 | |
ddb5b488 PZ |
2540 | if (debug) { |
2541 | prefix2str(&rn->p, pfx_buf, sizeof(pfx_buf)); | |
2542 | zlog_debug( | |
2543 | "%s: p=%s afi=%s, safi=%s, old_select=%p, new_select=%p", | |
2544 | __func__, pfx_buf, afi2str(afi), safi2str(safi), | |
2545 | old_select, new_select); | |
2546 | } | |
2547 | ||
d62a17ae | 2548 | /* If best route remains the same and this is not due to user-initiated |
2549 | * clear, see exactly what needs to be done. | |
2550 | */ | |
d62a17ae | 2551 | if (old_select && old_select == new_select |
2552 | && !CHECK_FLAG(rn->flags, BGP_NODE_USER_CLEAR) | |
1defdda8 | 2553 | && !CHECK_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED) |
dcc68b5e | 2554 | && !bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { |
d62a17ae | 2555 | if (bgp_zebra_has_route_changed(rn, old_select)) { |
65efcfce | 2556 | #if ENABLE_BGP_VNC |
d62a17ae | 2557 | vnc_import_bgp_add_route(bgp, p, old_select); |
2558 | vnc_import_bgp_exterior_add_route(bgp, p, old_select); | |
65efcfce | 2559 | #endif |
bb744275 | 2560 | if (bgp_fibupd_safi(safi) |
ddb5b488 PZ |
2561 | && !bgp_option_check(BGP_OPT_NO_FIB)) { |
2562 | ||
2563 | if (new_select->type == ZEBRA_ROUTE_BGP | |
2564 | && (new_select->sub_type == BGP_ROUTE_NORMAL | |
2565 | || new_select->sub_type | |
2566 | == BGP_ROUTE_IMPORTED)) | |
2567 | ||
2568 | bgp_zebra_announce(rn, p, old_select, | |
2569 | bgp, afi, safi); | |
2570 | } | |
d62a17ae | 2571 | } |
1defdda8 | 2572 | UNSET_FLAG(old_select->flags, BGP_PATH_MULTIPATH_CHG); |
d62a17ae | 2573 | bgp_zebra_clear_route_change_flags(rn); |
2574 | ||
2575 | /* If there is a change of interest to peers, reannounce the | |
2576 | * route. */ | |
1defdda8 | 2577 | if (CHECK_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED) |
d62a17ae | 2578 | || CHECK_FLAG(rn->flags, BGP_NODE_LABEL_CHANGED)) { |
2579 | group_announce_route(bgp, afi, safi, rn, new_select); | |
2580 | ||
2581 | /* unicast routes must also be annouced to | |
2582 | * labeled-unicast update-groups */ | |
2583 | if (safi == SAFI_UNICAST) | |
2584 | group_announce_route(bgp, afi, | |
2585 | SAFI_LABELED_UNICAST, rn, | |
2586 | new_select); | |
2587 | ||
1defdda8 | 2588 | UNSET_FLAG(old_select->flags, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 2589 | UNSET_FLAG(rn->flags, BGP_NODE_LABEL_CHANGED); |
2590 | } | |
fee0f4c6 | 2591 | |
d62a17ae | 2592 | UNSET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); |
aac24838 | 2593 | return; |
d62a17ae | 2594 | } |
8ad7271d | 2595 | |
d62a17ae | 2596 | /* If the user did "clear ip bgp prefix x.x.x.x" this flag will be set |
2597 | */ | |
2598 | UNSET_FLAG(rn->flags, BGP_NODE_USER_CLEAR); | |
2599 | ||
2600 | /* bestpath has changed; bump version */ | |
2601 | if (old_select || new_select) { | |
2602 | bgp_bump_version(rn); | |
2603 | ||
2604 | if (!bgp->t_rmap_def_originate_eval) { | |
2605 | bgp_lock(bgp); | |
2606 | thread_add_timer( | |
2607 | bm->master, | |
2608 | update_group_refresh_default_originate_route_map, | |
2609 | bgp, RMAP_DEFAULT_ORIGINATE_EVAL_TIMER, | |
2610 | &bgp->t_rmap_def_originate_eval); | |
2611 | } | |
2612 | } | |
3f9c7369 | 2613 | |
d62a17ae | 2614 | if (old_select) |
18ee8310 | 2615 | bgp_path_info_unset_flag(rn, old_select, BGP_PATH_SELECTED); |
d62a17ae | 2616 | if (new_select) { |
ddb5b488 PZ |
2617 | if (debug) |
2618 | zlog_debug("%s: setting SELECTED flag", __func__); | |
18ee8310 DS |
2619 | bgp_path_info_set_flag(rn, new_select, BGP_PATH_SELECTED); |
2620 | bgp_path_info_unset_flag(rn, new_select, BGP_PATH_ATTR_CHANGED); | |
1defdda8 | 2621 | UNSET_FLAG(new_select->flags, BGP_PATH_MULTIPATH_CHG); |
d62a17ae | 2622 | } |
338b3424 | 2623 | |
65efcfce | 2624 | #if ENABLE_BGP_VNC |
d62a17ae | 2625 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { |
2626 | if (old_select != new_select) { | |
2627 | if (old_select) { | |
2628 | vnc_import_bgp_exterior_del_route(bgp, p, | |
2629 | old_select); | |
2630 | vnc_import_bgp_del_route(bgp, p, old_select); | |
2631 | } | |
2632 | if (new_select) { | |
2633 | vnc_import_bgp_exterior_add_route(bgp, p, | |
2634 | new_select); | |
2635 | vnc_import_bgp_add_route(bgp, p, new_select); | |
2636 | } | |
2637 | } | |
2638 | } | |
65efcfce LB |
2639 | #endif |
2640 | ||
d62a17ae | 2641 | group_announce_route(bgp, afi, safi, rn, new_select); |
2642 | ||
2643 | /* unicast routes must also be annouced to labeled-unicast update-groups | |
2644 | */ | |
2645 | if (safi == SAFI_UNICAST) | |
2646 | group_announce_route(bgp, afi, SAFI_LABELED_UNICAST, rn, | |
2647 | new_select); | |
2648 | ||
2649 | /* FIB update. */ | |
2650 | if (bgp_fibupd_safi(safi) && (bgp->inst_type != BGP_INSTANCE_TYPE_VIEW) | |
2651 | && !bgp_option_check(BGP_OPT_NO_FIB)) { | |
2652 | if (new_select && new_select->type == ZEBRA_ROUTE_BGP | |
2653 | && (new_select->sub_type == BGP_ROUTE_NORMAL | |
ddb5b488 | 2654 | || new_select->sub_type == BGP_ROUTE_AGGREGATE |
2b659f33 MK |
2655 | || new_select->sub_type == BGP_ROUTE_IMPORTED)) { |
2656 | ||
2657 | /* if this is an evpn imported type-5 prefix, | |
2658 | * we need to withdraw the route first to clear | |
2659 | * the nh neigh and the RMAC entry. | |
2660 | */ | |
2661 | if (old_select && | |
2662 | is_route_parent_evpn(old_select)) | |
2663 | bgp_zebra_withdraw(p, old_select, bgp, safi); | |
ddb5b488 | 2664 | |
d62a17ae | 2665 | bgp_zebra_announce(rn, p, new_select, bgp, afi, safi); |
2b659f33 | 2666 | } else { |
d62a17ae | 2667 | /* Withdraw the route from the kernel. */ |
2668 | if (old_select && old_select->type == ZEBRA_ROUTE_BGP | |
2669 | && (old_select->sub_type == BGP_ROUTE_NORMAL | |
ddb5b488 PZ |
2670 | || old_select->sub_type == BGP_ROUTE_AGGREGATE |
2671 | || old_select->sub_type == BGP_ROUTE_IMPORTED)) | |
2672 | ||
568e10ca | 2673 | bgp_zebra_withdraw(p, old_select, bgp, safi); |
d62a17ae | 2674 | } |
718e3744 | 2675 | } |
3064bf43 | 2676 | |
5424b7ba MK |
2677 | /* advertise/withdraw type-5 routes */ |
2678 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { | |
f106e3a7 | 2679 | if (advertise_type5_routes(bgp, afi) && |
2680 | new_select && | |
2681 | is_route_injectable_into_evpn(new_select)) { | |
7e4ed18e MK |
2682 | |
2683 | /* apply the route-map */ | |
2684 | if (bgp->adv_cmd_rmap[afi][safi].map) { | |
b68885f9 | 2685 | route_map_result_t ret; |
7e4ed18e | 2686 | |
3518f352 DS |
2687 | ret = route_map_apply( |
2688 | bgp->adv_cmd_rmap[afi][safi].map, | |
2689 | &rn->p, RMAP_BGP, new_select); | |
b68885f9 | 2690 | if (ret == RMAP_PERMITMATCH) |
3518f352 DS |
2691 | bgp_evpn_advertise_type5_route( |
2692 | bgp, &rn->p, new_select->attr, | |
2693 | afi, safi); | |
c27ee4c4 | 2694 | else |
2695 | bgp_evpn_withdraw_type5_route( | |
2696 | bgp, &rn->p, afi, safi); | |
7e4ed18e MK |
2697 | } else { |
2698 | bgp_evpn_advertise_type5_route(bgp, | |
2699 | &rn->p, | |
2700 | new_select->attr, | |
2701 | afi, safi); | |
2702 | ||
2703 | } | |
f106e3a7 | 2704 | } else if (advertise_type5_routes(bgp, afi) && |
2705 | old_select && | |
2706 | is_route_injectable_into_evpn(old_select)) | |
31310b25 | 2707 | bgp_evpn_withdraw_type5_route(bgp, &rn->p, afi, safi); |
5424b7ba MK |
2708 | } |
2709 | ||
d62a17ae | 2710 | /* Clear any route change flags. */ |
2711 | bgp_zebra_clear_route_change_flags(rn); | |
3064bf43 | 2712 | |
18ee8310 | 2713 | /* Reap old select bgp_path_info, if it has been removed */ |
1defdda8 | 2714 | if (old_select && CHECK_FLAG(old_select->flags, BGP_PATH_REMOVED)) |
18ee8310 | 2715 | bgp_path_info_reap(rn, old_select); |
d62a17ae | 2716 | |
2717 | UNSET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); | |
aac24838 | 2718 | return; |
718e3744 | 2719 | } |
2720 | ||
f009ff26 | 2721 | /* Process the routes with the flag BGP_NODE_SELECT_DEFER set */ |
2722 | int bgp_best_path_select_defer(struct bgp *bgp, afi_t afi, safi_t safi) | |
2723 | { | |
2724 | struct bgp_node *rn; | |
2725 | int cnt = 0; | |
2726 | struct afi_safi_info *thread_info; | |
2727 | struct listnode *node = NULL, *nnode = NULL; | |
2728 | ||
2729 | if (bgp->gr_info[afi][safi].t_route_select) | |
2730 | BGP_TIMER_OFF(bgp->gr_info[afi][safi].t_route_select); | |
2731 | ||
2732 | if (BGP_DEBUG(update, UPDATE_OUT)) { | |
2733 | zlog_debug("%s: processing route for %s : cnt %d", | |
2734 | __func__, get_afi_safi_str(afi, safi, false), | |
2735 | listcount(bgp->gr_info[afi][safi].route_list)); | |
2736 | } | |
2737 | ||
2738 | /* Process the route list */ | |
2739 | node = listhead(bgp->gr_info[afi][safi].route_list); | |
f009ff26 | 2740 | while (node) { |
2741 | rn = listgetdata(node); | |
2742 | nnode = node->next; | |
2743 | list_delete_node(bgp->gr_info[afi][safi].route_list, node); | |
2744 | rn->rt_node = NULL; | |
2745 | ||
2746 | if (CHECK_FLAG(rn->flags, BGP_NODE_SELECT_DEFER)) { | |
2747 | UNSET_FLAG(rn->flags, BGP_NODE_SELECT_DEFER); | |
2748 | bgp_process_main_one(bgp, rn, afi, safi); | |
2749 | cnt++; | |
2750 | if (cnt >= BGP_MAX_BEST_ROUTE_SELECT) | |
2751 | break; | |
2752 | } | |
2753 | node = nnode; | |
2754 | } | |
2755 | ||
9e3b51a7 | 2756 | /* Send EOR message when all routes are processed */ |
2757 | if (list_isempty(bgp->gr_info[afi][safi].route_list)) { | |
2758 | bgp_send_delayed_eor(bgp); | |
8c48b3b6 | 2759 | /* Send route processing complete message to RIB */ |
2760 | bgp_zebra_update(afi, safi, bgp->vrf_id, | |
2761 | ZEBRA_CLIENT_ROUTE_UPDATE_COMPLETE); | |
f009ff26 | 2762 | return 0; |
9e3b51a7 | 2763 | } |
f009ff26 | 2764 | |
2765 | thread_info = XMALLOC(MTYPE_TMP, sizeof(struct afi_safi_info)); | |
f009ff26 | 2766 | |
2767 | thread_info->afi = afi; | |
2768 | thread_info->safi = safi; | |
2769 | thread_info->bgp = bgp; | |
2770 | ||
2771 | /* If there are more routes to be processed, start the | |
2772 | * selection timer | |
2773 | */ | |
2774 | thread_add_timer(bm->master, bgp_route_select_timer_expire, thread_info, | |
2775 | BGP_ROUTE_SELECT_DELAY, | |
2776 | &bgp->gr_info[afi][safi].t_route_select); | |
f009ff26 | 2777 | return 0; |
2778 | } | |
2779 | ||
aac24838 | 2780 | static wq_item_status bgp_process_wq(struct work_queue *wq, void *data) |
200df115 | 2781 | { |
aac24838 JB |
2782 | struct bgp_process_queue *pqnode = data; |
2783 | struct bgp *bgp = pqnode->bgp; | |
d62a17ae | 2784 | struct bgp_table *table; |
ac021f40 | 2785 | struct bgp_node *rn; |
aac24838 JB |
2786 | |
2787 | /* eoiu marker */ | |
2788 | if (CHECK_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER)) { | |
2789 | bgp_process_main_one(bgp, NULL, 0, 0); | |
60466a63 QY |
2790 | /* should always have dedicated wq call */ |
2791 | assert(STAILQ_FIRST(&pqnode->pqueue) == NULL); | |
aac24838 JB |
2792 | return WQ_SUCCESS; |
2793 | } | |
2794 | ||
ac021f40 LB |
2795 | while (!STAILQ_EMPTY(&pqnode->pqueue)) { |
2796 | rn = STAILQ_FIRST(&pqnode->pqueue); | |
2797 | STAILQ_REMOVE_HEAD(&pqnode->pqueue, pq); | |
b3e1dd3c | 2798 | STAILQ_NEXT(rn, pq) = NULL; /* complete unlink */ |
aac24838 | 2799 | table = bgp_node_table(rn); |
ac021f40 | 2800 | /* note, new RNs may be added as part of processing */ |
aac24838 | 2801 | bgp_process_main_one(bgp, rn, table->afi, table->safi); |
cb1faec9 | 2802 | |
aac24838 | 2803 | bgp_unlock_node(rn); |
d62a17ae | 2804 | bgp_table_unlock(table); |
2805 | } | |
aac24838 JB |
2806 | |
2807 | return WQ_SUCCESS; | |
2808 | } | |
2809 | ||
2810 | static void bgp_processq_del(struct work_queue *wq, void *data) | |
2811 | { | |
2812 | struct bgp_process_queue *pqnode = data; | |
2813 | ||
2814 | bgp_unlock(pqnode->bgp); | |
2815 | ||
2816 | XFREE(MTYPE_BGP_PROCESS_QUEUE, pqnode); | |
200df115 | 2817 | } |
2818 | ||
d62a17ae | 2819 | void bgp_process_queue_init(void) |
200df115 | 2820 | { |
0ce1ca80 | 2821 | if (!bm->process_main_queue) |
d62a17ae | 2822 | bm->process_main_queue = |
2823 | work_queue_new(bm->master, "process_main_queue"); | |
2824 | ||
aac24838 | 2825 | bm->process_main_queue->spec.workfunc = &bgp_process_wq; |
d62a17ae | 2826 | bm->process_main_queue->spec.del_item_data = &bgp_processq_del; |
2827 | bm->process_main_queue->spec.max_retries = 0; | |
2828 | bm->process_main_queue->spec.hold = 50; | |
2829 | /* Use a higher yield value of 50ms for main queue processing */ | |
2830 | bm->process_main_queue->spec.yield = 50 * 1000L; | |
200df115 | 2831 | } |
2832 | ||
cfe8d15a | 2833 | static struct bgp_process_queue *bgp_processq_alloc(struct bgp *bgp) |
aac24838 JB |
2834 | { |
2835 | struct bgp_process_queue *pqnode; | |
2836 | ||
a4d82a8a PZ |
2837 | pqnode = XCALLOC(MTYPE_BGP_PROCESS_QUEUE, |
2838 | sizeof(struct bgp_process_queue)); | |
aac24838 JB |
2839 | |
2840 | /* unlocked in bgp_processq_del */ | |
2841 | pqnode->bgp = bgp_lock(bgp); | |
2842 | STAILQ_INIT(&pqnode->pqueue); | |
2843 | ||
aac24838 JB |
2844 | return pqnode; |
2845 | } | |
2846 | ||
d62a17ae | 2847 | void bgp_process(struct bgp *bgp, struct bgp_node *rn, afi_t afi, safi_t safi) |
fee0f4c6 | 2848 | { |
aac24838 JB |
2849 | #define ARBITRARY_PROCESS_QLEN 10000 |
2850 | struct work_queue *wq = bm->process_main_queue; | |
d62a17ae | 2851 | struct bgp_process_queue *pqnode; |
cfe8d15a | 2852 | int pqnode_reuse = 0; |
495f0b13 | 2853 | |
d62a17ae | 2854 | /* already scheduled for processing? */ |
2855 | if (CHECK_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED)) | |
2856 | return; | |
2e02b9b2 | 2857 | |
f009ff26 | 2858 | /* If the flag BGP_NODE_SELECT_DEFER is set, do not add route to |
2859 | * the workqueue | |
2860 | */ | |
2861 | if (CHECK_FLAG(rn->flags, BGP_NODE_SELECT_DEFER)) { | |
2862 | if (BGP_DEBUG(update, UPDATE_OUT)) | |
2863 | zlog_debug("BGP_NODE_SELECT_DEFER set for route %p", | |
2864 | rn); | |
2865 | return; | |
2866 | } | |
2867 | ||
aac24838 | 2868 | if (wq == NULL) |
d62a17ae | 2869 | return; |
2870 | ||
aac24838 | 2871 | /* Add route nodes to an existing work queue item until reaching the |
a4d82a8a PZ |
2872 | limit only if is from the same BGP view and it's not an EOIU marker |
2873 | */ | |
aac24838 JB |
2874 | if (work_queue_item_count(wq)) { |
2875 | struct work_queue_item *item = work_queue_last_item(wq); | |
2876 | pqnode = item->data; | |
228da428 | 2877 | |
a4d82a8a PZ |
2878 | if (CHECK_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER) |
2879 | || pqnode->bgp != bgp | |
2880 | || pqnode->queued >= ARBITRARY_PROCESS_QLEN) | |
cfe8d15a LB |
2881 | pqnode = bgp_processq_alloc(bgp); |
2882 | else | |
2883 | pqnode_reuse = 1; | |
aac24838 | 2884 | } else |
cfe8d15a | 2885 | pqnode = bgp_processq_alloc(bgp); |
aac24838 | 2886 | /* all unlocked in bgp_process_wq */ |
d62a17ae | 2887 | bgp_table_lock(bgp_node_table(rn)); |
aac24838 | 2888 | |
d62a17ae | 2889 | SET_FLAG(rn->flags, BGP_NODE_PROCESS_SCHEDULED); |
aac24838 JB |
2890 | bgp_lock_node(rn); |
2891 | ||
60466a63 QY |
2892 | /* can't be enqueued twice */ |
2893 | assert(STAILQ_NEXT(rn, pq) == NULL); | |
aac24838 JB |
2894 | STAILQ_INSERT_TAIL(&pqnode->pqueue, rn, pq); |
2895 | pqnode->queued++; | |
2896 | ||
cfe8d15a LB |
2897 | if (!pqnode_reuse) |
2898 | work_queue_add(wq, pqnode); | |
2899 | ||
d62a17ae | 2900 | return; |
fee0f4c6 | 2901 | } |
0a486e5f | 2902 | |
d62a17ae | 2903 | void bgp_add_eoiu_mark(struct bgp *bgp) |
cb1faec9 | 2904 | { |
d62a17ae | 2905 | struct bgp_process_queue *pqnode; |
cb1faec9 | 2906 | |
d62a17ae | 2907 | if (bm->process_main_queue == NULL) |
2908 | return; | |
2e02b9b2 | 2909 | |
cfe8d15a | 2910 | pqnode = bgp_processq_alloc(bgp); |
cb1faec9 | 2911 | |
aac24838 | 2912 | SET_FLAG(pqnode->flags, BGP_PROCESS_QUEUE_EOIU_MARKER); |
cfe8d15a | 2913 | work_queue_add(bm->process_main_queue, pqnode); |
cb1faec9 DS |
2914 | } |
2915 | ||
d62a17ae | 2916 | static int bgp_maximum_prefix_restart_timer(struct thread *thread) |
0a486e5f | 2917 | { |
d62a17ae | 2918 | struct peer *peer; |
0a486e5f | 2919 | |
d62a17ae | 2920 | peer = THREAD_ARG(thread); |
2921 | peer->t_pmax_restart = NULL; | |
0a486e5f | 2922 | |
d62a17ae | 2923 | if (bgp_debug_neighbor_events(peer)) |
2924 | zlog_debug( | |
2925 | "%s Maximum-prefix restart timer expired, restore peering", | |
2926 | peer->host); | |
0a486e5f | 2927 | |
a9bafa95 DS |
2928 | if ((peer_clear(peer, NULL) < 0) && bgp_debug_neighbor_events(peer)) |
2929 | zlog_debug("%s: %s peer_clear failed", | |
2930 | __PRETTY_FUNCTION__, peer->host); | |
0a486e5f | 2931 | |
d62a17ae | 2932 | return 0; |
0a486e5f | 2933 | } |
2934 | ||
d62a17ae | 2935 | int bgp_maximum_prefix_overflow(struct peer *peer, afi_t afi, safi_t safi, |
2936 | int always) | |
718e3744 | 2937 | { |
d62a17ae | 2938 | iana_afi_t pkt_afi; |
5c525538 | 2939 | iana_safi_t pkt_safi; |
9cabb64b | 2940 | |
d62a17ae | 2941 | if (!CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) |
2942 | return 0; | |
e0701b79 | 2943 | |
d62a17ae | 2944 | if (peer->pcount[afi][safi] > peer->pmax[afi][safi]) { |
2945 | if (CHECK_FLAG(peer->af_sflags[afi][safi], | |
2946 | PEER_STATUS_PREFIX_LIMIT) | |
2947 | && !always) | |
2948 | return 0; | |
e0701b79 | 2949 | |
d62a17ae | 2950 | zlog_info( |
a0a87037 DA |
2951 | "%%MAXPFXEXCEED: No. of %s prefix received from %s %" PRIu32 |
2952 | " exceed, limit %" PRIu32, | |
5cb5f4d0 | 2953 | get_afi_safi_str(afi, safi, false), peer->host, |
d62a17ae | 2954 | peer->pcount[afi][safi], peer->pmax[afi][safi]); |
2955 | SET_FLAG(peer->af_sflags[afi][safi], PEER_STATUS_PREFIX_LIMIT); | |
2956 | ||
2957 | if (CHECK_FLAG(peer->af_flags[afi][safi], | |
2958 | PEER_FLAG_MAX_PREFIX_WARNING)) | |
2959 | return 0; | |
2960 | ||
2961 | /* Convert AFI, SAFI to values for packet. */ | |
2962 | pkt_afi = afi_int2iana(afi); | |
2963 | pkt_safi = safi_int2iana(safi); | |
2964 | { | |
d7c0a89a | 2965 | uint8_t ndata[7]; |
d62a17ae | 2966 | |
2967 | ndata[0] = (pkt_afi >> 8); | |
2968 | ndata[1] = pkt_afi; | |
2969 | ndata[2] = pkt_safi; | |
2970 | ndata[3] = (peer->pmax[afi][safi] >> 24); | |
2971 | ndata[4] = (peer->pmax[afi][safi] >> 16); | |
2972 | ndata[5] = (peer->pmax[afi][safi] >> 8); | |
2973 | ndata[6] = (peer->pmax[afi][safi]); | |
2974 | ||
2975 | SET_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); | |
2976 | bgp_notify_send_with_data(peer, BGP_NOTIFY_CEASE, | |
2977 | BGP_NOTIFY_CEASE_MAX_PREFIX, | |
2978 | ndata, 7); | |
2979 | } | |
2980 | ||
2981 | /* Dynamic peers will just close their connection. */ | |
2982 | if (peer_dynamic_neighbor(peer)) | |
2983 | return 1; | |
2984 | ||
2985 | /* restart timer start */ | |
2986 | if (peer->pmax_restart[afi][safi]) { | |
2987 | peer->v_pmax_restart = | |
2988 | peer->pmax_restart[afi][safi] * 60; | |
2989 | ||
2990 | if (bgp_debug_neighbor_events(peer)) | |
2991 | zlog_debug( | |
2992 | "%s Maximum-prefix restart timer started for %d secs", | |
2993 | peer->host, peer->v_pmax_restart); | |
2994 | ||
2995 | BGP_TIMER_ON(peer->t_pmax_restart, | |
2996 | bgp_maximum_prefix_restart_timer, | |
2997 | peer->v_pmax_restart); | |
2998 | } | |
2999 | ||
3000 | return 1; | |
3001 | } else | |
3002 | UNSET_FLAG(peer->af_sflags[afi][safi], | |
3003 | PEER_STATUS_PREFIX_LIMIT); | |
3004 | ||
3005 | if (peer->pcount[afi][safi] | |
3006 | > (peer->pmax[afi][safi] * peer->pmax_threshold[afi][safi] / 100)) { | |
3007 | if (CHECK_FLAG(peer->af_sflags[afi][safi], | |
3008 | PEER_STATUS_PREFIX_THRESHOLD) | |
3009 | && !always) | |
3010 | return 0; | |
3011 | ||
3012 | zlog_info( | |
a0a87037 DA |
3013 | "%%MAXPFX: No. of %s prefix received from %s reaches %" PRIu32 |
3014 | ", max %" PRIu32, | |
5cb5f4d0 | 3015 | get_afi_safi_str(afi, safi, false), peer->host, |
d62a17ae | 3016 | peer->pcount[afi][safi], peer->pmax[afi][safi]); |
3017 | SET_FLAG(peer->af_sflags[afi][safi], | |
3018 | PEER_STATUS_PREFIX_THRESHOLD); | |
3019 | } else | |
3020 | UNSET_FLAG(peer->af_sflags[afi][safi], | |
3021 | PEER_STATUS_PREFIX_THRESHOLD); | |
3022 | return 0; | |
718e3744 | 3023 | } |
3024 | ||
b40d939b | 3025 | /* Unconditionally remove the route from the RIB, without taking |
3026 | * damping into consideration (eg, because the session went down) | |
3027 | */ | |
40381db7 | 3028 | void bgp_rib_remove(struct bgp_node *rn, struct bgp_path_info *pi, |
4b7e6066 | 3029 | struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 3030 | { |
f009ff26 | 3031 | |
3032 | struct bgp *bgp = NULL; | |
3033 | bool delete_route = false; | |
3034 | ||
40381db7 | 3035 | bgp_aggregate_decrement(peer->bgp, &rn->p, pi, afi, safi); |
d62a17ae | 3036 | |
f009ff26 | 3037 | if (!CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) { |
40381db7 | 3038 | bgp_path_info_delete(rn, pi); /* keep historical info */ |
d62a17ae | 3039 | |
f009ff26 | 3040 | /* If the selected path is removed, reset BGP_NODE_SELECT_DEFER |
3041 | * flag | |
3042 | */ | |
3043 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) | |
3044 | delete_route = true; | |
3045 | else | |
3046 | if (bgp_node_set_defer_flag(rn, true) < 0) | |
3047 | delete_route = true; | |
3048 | if (delete_route) { | |
3049 | if (CHECK_FLAG(rn->flags, BGP_NODE_SELECT_DEFER)) { | |
3050 | UNSET_FLAG(rn->flags, BGP_NODE_SELECT_DEFER); | |
f009ff26 | 3051 | bgp = pi->peer->bgp; |
3052 | if ((rn->rt_node) && | |
3053 | (bgp->gr_info[afi][safi] | |
3054 | .route_list)) { | |
3055 | list_delete_node( | |
3056 | bgp->gr_info[afi][safi] | |
3057 | .route_list, | |
3058 | rn->rt_node); | |
3059 | rn->rt_node = NULL; | |
3060 | } | |
3061 | } | |
3062 | } | |
3063 | } | |
4a11bf2c | 3064 | |
f009ff26 | 3065 | hook_call(bgp_process, peer->bgp, afi, safi, rn, peer, true); |
d62a17ae | 3066 | bgp_process(peer->bgp, rn, afi, safi); |
3067 | } | |
3068 | ||
40381db7 | 3069 | static void bgp_rib_withdraw(struct bgp_node *rn, struct bgp_path_info *pi, |
d62a17ae | 3070 | struct peer *peer, afi_t afi, safi_t safi, |
3071 | struct prefix_rd *prd) | |
3072 | { | |
d62a17ae | 3073 | /* apply dampening, if result is suppressed, we'll be retaining |
18ee8310 | 3074 | * the bgp_path_info in the RIB for historical reference. |
d62a17ae | 3075 | */ |
3076 | if (CHECK_FLAG(peer->bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
3077 | && peer->sort == BGP_PEER_EBGP) | |
40381db7 | 3078 | if ((bgp_damp_withdraw(pi, rn, afi, safi, 0)) |
d62a17ae | 3079 | == BGP_DAMP_SUPPRESSED) { |
40381db7 | 3080 | bgp_aggregate_decrement(peer->bgp, &rn->p, pi, afi, |
d62a17ae | 3081 | safi); |
3082 | return; | |
3083 | } | |
3084 | ||
65efcfce | 3085 | #if ENABLE_BGP_VNC |
d62a17ae | 3086 | if (safi == SAFI_MPLS_VPN) { |
3087 | struct bgp_node *prn = NULL; | |
3088 | struct bgp_table *table = NULL; | |
3089 | ||
3090 | prn = bgp_node_get(peer->bgp->rib[afi][safi], | |
3091 | (struct prefix *)prd); | |
67009e22 DS |
3092 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3093 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3094 | |
3095 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
40381db7 | 3096 | peer->bgp, prd, table, &rn->p, pi); |
d62a17ae | 3097 | } |
3098 | bgp_unlock_node(prn); | |
3099 | } | |
3100 | if ((afi == AFI_IP || afi == AFI_IP6) && (safi == SAFI_UNICAST)) { | |
40381db7 | 3101 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
65efcfce | 3102 | |
40381db7 | 3103 | vnc_import_bgp_del_route(peer->bgp, &rn->p, pi); |
d62a17ae | 3104 | vnc_import_bgp_exterior_del_route(peer->bgp, &rn->p, |
40381db7 | 3105 | pi); |
d62a17ae | 3106 | } |
65efcfce | 3107 | } |
d62a17ae | 3108 | #endif |
128ea8ab | 3109 | |
d62a17ae | 3110 | /* If this is an EVPN route, process for un-import. */ |
3111 | if (safi == SAFI_EVPN) | |
40381db7 | 3112 | bgp_evpn_unimport_route(peer->bgp, afi, safi, &rn->p, pi); |
128ea8ab | 3113 | |
40381db7 | 3114 | bgp_rib_remove(rn, pi, peer, afi, safi); |
718e3744 | 3115 | } |
3116 | ||
4b7e6066 DS |
3117 | struct bgp_path_info *info_make(int type, int sub_type, unsigned short instance, |
3118 | struct peer *peer, struct attr *attr, | |
3119 | struct bgp_node *rn) | |
fb018d25 | 3120 | { |
4b7e6066 | 3121 | struct bgp_path_info *new; |
fb018d25 | 3122 | |
d62a17ae | 3123 | /* Make new BGP info. */ |
4b7e6066 | 3124 | new = XCALLOC(MTYPE_BGP_ROUTE, sizeof(struct bgp_path_info)); |
d62a17ae | 3125 | new->type = type; |
3126 | new->instance = instance; | |
3127 | new->sub_type = sub_type; | |
3128 | new->peer = peer; | |
3129 | new->attr = attr; | |
3130 | new->uptime = bgp_clock(); | |
3131 | new->net = rn; | |
d62a17ae | 3132 | return new; |
fb018d25 DS |
3133 | } |
3134 | ||
d62a17ae | 3135 | static void overlay_index_update(struct attr *attr, |
3136 | struct eth_segment_id *eth_s_id, | |
3137 | union gw_addr *gw_ip) | |
684a7227 | 3138 | { |
d62a17ae | 3139 | if (!attr) |
3140 | return; | |
684a7227 | 3141 | |
d62a17ae | 3142 | if (eth_s_id == NULL) { |
3143 | memset(&(attr->evpn_overlay.eth_s_id), 0, | |
3144 | sizeof(struct eth_segment_id)); | |
3145 | } else { | |
3146 | memcpy(&(attr->evpn_overlay.eth_s_id), eth_s_id, | |
3147 | sizeof(struct eth_segment_id)); | |
3148 | } | |
3149 | if (gw_ip == NULL) { | |
3150 | memset(&(attr->evpn_overlay.gw_ip), 0, sizeof(union gw_addr)); | |
3151 | } else { | |
3152 | memcpy(&(attr->evpn_overlay.gw_ip), gw_ip, | |
3153 | sizeof(union gw_addr)); | |
3154 | } | |
684a7227 PG |
3155 | } |
3156 | ||
40381db7 | 3157 | static bool overlay_index_equal(afi_t afi, struct bgp_path_info *path, |
d62a17ae | 3158 | struct eth_segment_id *eth_s_id, |
3159 | union gw_addr *gw_ip) | |
3160 | { | |
40381db7 DS |
3161 | struct eth_segment_id *path_eth_s_id, *path_eth_s_id_remote; |
3162 | union gw_addr *path_gw_ip, *path_gw_ip_remote; | |
11ebf4ed DS |
3163 | union { |
3164 | struct eth_segment_id esi; | |
3165 | union gw_addr ip; | |
3166 | } temp; | |
d62a17ae | 3167 | |
3168 | if (afi != AFI_L2VPN) | |
3169 | return true; | |
11ebf4ed | 3170 | |
05864da7 DS |
3171 | path_eth_s_id = &(path->attr->evpn_overlay.eth_s_id); |
3172 | path_gw_ip = &(path->attr->evpn_overlay.gw_ip); | |
11ebf4ed DS |
3173 | |
3174 | if (gw_ip == NULL) { | |
3175 | memset(&temp, 0, sizeof(temp)); | |
40381db7 | 3176 | path_gw_ip_remote = &temp.ip; |
11ebf4ed | 3177 | } else |
40381db7 | 3178 | path_gw_ip_remote = gw_ip; |
11ebf4ed DS |
3179 | |
3180 | if (eth_s_id == NULL) { | |
3181 | memset(&temp, 0, sizeof(temp)); | |
40381db7 | 3182 | path_eth_s_id_remote = &temp.esi; |
11ebf4ed | 3183 | } else |
40381db7 | 3184 | path_eth_s_id_remote = eth_s_id; |
11ebf4ed | 3185 | |
40381db7 | 3186 | if (!memcmp(path_gw_ip, path_gw_ip_remote, sizeof(union gw_addr))) |
d62a17ae | 3187 | return false; |
11ebf4ed | 3188 | |
40381db7 | 3189 | return !memcmp(path_eth_s_id, path_eth_s_id_remote, |
d62a17ae | 3190 | sizeof(struct eth_segment_id)); |
684a7227 PG |
3191 | } |
3192 | ||
c265ee22 | 3193 | /* Check if received nexthop is valid or not. */ |
d62a17ae | 3194 | static int bgp_update_martian_nexthop(struct bgp *bgp, afi_t afi, safi_t safi, |
949b0f24 | 3195 | uint8_t type, uint8_t stype, |
3196 | struct attr *attr, struct bgp_node *rn) | |
d62a17ae | 3197 | { |
3198 | int ret = 0; | |
3199 | ||
3200 | /* Only validated for unicast and multicast currently. */ | |
3201 | /* Also valid for EVPN where the nexthop is an IP address. */ | |
3202 | if (safi != SAFI_UNICAST && safi != SAFI_MULTICAST && safi != SAFI_EVPN) | |
3203 | return 0; | |
3204 | ||
3205 | /* If NEXT_HOP is present, validate it. */ | |
3206 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP)) { | |
3207 | if (attr->nexthop.s_addr == 0 | |
3208 | || IPV4_CLASS_DE(ntohl(attr->nexthop.s_addr)) | |
949b0f24 | 3209 | || bgp_nexthop_self(bgp, afi, type, stype, |
3210 | attr, rn)) | |
d62a17ae | 3211 | return 1; |
3212 | } | |
c265ee22 | 3213 | |
d62a17ae | 3214 | /* If MP_NEXTHOP is present, validate it. */ |
3215 | /* Note: For IPv6 nexthops, we only validate the global (1st) nexthop; | |
3216 | * there is code in bgp_attr.c to ignore the link-local (2nd) nexthop if | |
3217 | * it is not an IPv6 link-local address. | |
3218 | */ | |
3219 | if (attr->mp_nexthop_len) { | |
3220 | switch (attr->mp_nexthop_len) { | |
3221 | case BGP_ATTR_NHLEN_IPV4: | |
3222 | case BGP_ATTR_NHLEN_VPNV4: | |
3223 | ret = (attr->mp_nexthop_global_in.s_addr == 0 | |
3224 | || IPV4_CLASS_DE(ntohl( | |
3225 | attr->mp_nexthop_global_in.s_addr)) | |
949b0f24 | 3226 | || bgp_nexthop_self(bgp, afi, type, stype, |
3227 | attr, rn)); | |
d62a17ae | 3228 | break; |
3229 | ||
3230 | case BGP_ATTR_NHLEN_IPV6_GLOBAL: | |
3231 | case BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL: | |
3232 | case BGP_ATTR_NHLEN_VPNV6_GLOBAL: | |
3233 | ret = (IN6_IS_ADDR_UNSPECIFIED(&attr->mp_nexthop_global) | |
3234 | || IN6_IS_ADDR_LOOPBACK(&attr->mp_nexthop_global) | |
3235 | || IN6_IS_ADDR_MULTICAST( | |
949b0f24 | 3236 | &attr->mp_nexthop_global) |
3237 | || bgp_nexthop_self(bgp, afi, type, stype, | |
3238 | attr, rn)); | |
d62a17ae | 3239 | break; |
3240 | ||
3241 | default: | |
3242 | ret = 1; | |
3243 | break; | |
3244 | } | |
3245 | } | |
c265ee22 | 3246 | |
d62a17ae | 3247 | return ret; |
3248 | } | |
3249 | ||
d7c0a89a | 3250 | int bgp_update(struct peer *peer, struct prefix *p, uint32_t addpath_id, |
d62a17ae | 3251 | struct attr *attr, afi_t afi, safi_t safi, int type, |
a4d82a8a | 3252 | int sub_type, struct prefix_rd *prd, mpls_label_t *label, |
d7c0a89a | 3253 | uint32_t num_labels, int soft_reconfig, |
a4d82a8a | 3254 | struct bgp_route_evpn *evpn) |
d62a17ae | 3255 | { |
3256 | int ret; | |
3257 | int aspath_loop_count = 0; | |
3258 | struct bgp_node *rn; | |
3259 | struct bgp *bgp; | |
3260 | struct attr new_attr; | |
3261 | struct attr *attr_new; | |
40381db7 | 3262 | struct bgp_path_info *pi; |
4b7e6066 DS |
3263 | struct bgp_path_info *new; |
3264 | struct bgp_path_info_extra *extra; | |
d62a17ae | 3265 | const char *reason; |
3266 | char pfx_buf[BGP_PRD_PATH_STRLEN]; | |
d62a17ae | 3267 | int connected = 0; |
3268 | int do_loop_check = 1; | |
3269 | int has_valid_label = 0; | |
7c312383 | 3270 | afi_t nh_afi; |
949b0f24 | 3271 | uint8_t pi_type = 0; |
3272 | uint8_t pi_sub_type = 0; | |
3273 | ||
65efcfce | 3274 | #if ENABLE_BGP_VNC |
d62a17ae | 3275 | int vnc_implicit_withdraw = 0; |
65efcfce | 3276 | #endif |
d62a17ae | 3277 | int same_attr = 0; |
718e3744 | 3278 | |
d62a17ae | 3279 | memset(&new_attr, 0, sizeof(struct attr)); |
3280 | new_attr.label_index = BGP_INVALID_LABEL_INDEX; | |
3281 | new_attr.label = MPLS_INVALID_LABEL; | |
f9a3a260 | 3282 | |
d62a17ae | 3283 | bgp = peer->bgp; |
3284 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
b57ba6d2 MK |
3285 | /* TODO: Check to see if we can get rid of "is_valid_label" */ |
3286 | if (afi == AFI_L2VPN && safi == SAFI_EVPN) | |
3287 | has_valid_label = (num_labels > 0) ? 1 : 0; | |
3288 | else | |
3289 | has_valid_label = bgp_is_valid_label(label); | |
718e3744 | 3290 | |
d62a17ae | 3291 | /* When peer's soft reconfiguration enabled. Record input packet in |
3292 | Adj-RIBs-In. */ | |
3293 | if (!soft_reconfig | |
3294 | && CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG) | |
3295 | && peer != bgp->peer_self) | |
3296 | bgp_adj_in_set(rn, peer, attr, addpath_id); | |
3297 | ||
3298 | /* Check previously received route. */ | |
6f94b685 | 3299 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
3300 | if (pi->peer == peer && pi->type == type |
3301 | && pi->sub_type == sub_type | |
3302 | && pi->addpath_rx_id == addpath_id) | |
d62a17ae | 3303 | break; |
3304 | ||
3305 | /* AS path local-as loop check. */ | |
3306 | if (peer->change_local_as) { | |
c4368918 DW |
3307 | if (peer->allowas_in[afi][safi]) |
3308 | aspath_loop_count = peer->allowas_in[afi][safi]; | |
a4d82a8a PZ |
3309 | else if (!CHECK_FLAG(peer->flags, |
3310 | PEER_FLAG_LOCAL_AS_NO_PREPEND)) | |
d62a17ae | 3311 | aspath_loop_count = 1; |
3312 | ||
3313 | if (aspath_loop_check(attr->aspath, peer->change_local_as) | |
3314 | > aspath_loop_count) { | |
b4d46cc9 | 3315 | peer->stat_pfx_aspath_loop++; |
d62a17ae | 3316 | reason = "as-path contains our own AS;"; |
3317 | goto filtered; | |
3318 | } | |
718e3744 | 3319 | } |
718e3744 | 3320 | |
d62a17ae | 3321 | /* If the peer is configured for "allowas-in origin" and the last ASN in |
3322 | * the | |
3323 | * as-path is our ASN then we do not need to call aspath_loop_check | |
3324 | */ | |
3325 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_ALLOWAS_IN_ORIGIN)) | |
3326 | if (aspath_get_last_as(attr->aspath) == bgp->as) | |
3327 | do_loop_check = 0; | |
3328 | ||
3329 | /* AS path loop check. */ | |
3330 | if (do_loop_check) { | |
3331 | if (aspath_loop_check(attr->aspath, bgp->as) | |
3332 | > peer->allowas_in[afi][safi] | |
3333 | || (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION) | |
3334 | && aspath_loop_check(attr->aspath, bgp->confed_id) | |
3335 | > peer->allowas_in[afi][safi])) { | |
b4d46cc9 | 3336 | peer->stat_pfx_aspath_loop++; |
d62a17ae | 3337 | reason = "as-path contains our own AS;"; |
3338 | goto filtered; | |
3339 | } | |
3340 | } | |
aac9ef6c | 3341 | |
d62a17ae | 3342 | /* Route reflector originator ID check. */ |
3343 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID) | |
3344 | && IPV4_ADDR_SAME(&bgp->router_id, &attr->originator_id)) { | |
b4d46cc9 | 3345 | peer->stat_pfx_originator_loop++; |
d62a17ae | 3346 | reason = "originator is us;"; |
3347 | goto filtered; | |
3348 | } | |
718e3744 | 3349 | |
d62a17ae | 3350 | /* Route reflector cluster ID check. */ |
3351 | if (bgp_cluster_filter(peer, attr)) { | |
b4d46cc9 | 3352 | peer->stat_pfx_cluster_loop++; |
d62a17ae | 3353 | reason = "reflected from the same cluster;"; |
3354 | goto filtered; | |
3355 | } | |
718e3744 | 3356 | |
d62a17ae | 3357 | /* Apply incoming filter. */ |
3358 | if (bgp_input_filter(peer, p, attr, afi, safi) == FILTER_DENY) { | |
b4d46cc9 | 3359 | peer->stat_pfx_filter++; |
d62a17ae | 3360 | reason = "filter;"; |
3361 | goto filtered; | |
3362 | } | |
718e3744 | 3363 | |
a8b72dc6 DA |
3364 | /* RFC 8212 to prevent route leaks. |
3365 | * This specification intends to improve this situation by requiring the | |
3366 | * explicit configuration of both BGP Import and Export Policies for any | |
3367 | * External BGP (EBGP) session such as customers, peers, or | |
3368 | * confederation boundaries for all enabled address families. Through | |
3369 | * codification of the aforementioned requirement, operators will | |
3370 | * benefit from consistent behavior across different BGP | |
3371 | * implementations. | |
3372 | */ | |
3373 | if (peer->bgp->ebgp_requires_policy == DEFAULT_EBGP_POLICY_ENABLED) | |
3374 | if (!bgp_inbound_policy_exists(peer, | |
3375 | &peer->filter[afi][safi])) { | |
3376 | reason = "inbound policy missing"; | |
3377 | goto filtered; | |
3378 | } | |
3379 | ||
fb29348a DA |
3380 | /* draft-ietf-idr-deprecate-as-set-confed-set |
3381 | * Filter routes having AS_SET or AS_CONFED_SET in the path. | |
3382 | * Eventually, This document (if approved) updates RFC 4271 | |
3383 | * and RFC 5065 by eliminating AS_SET and AS_CONFED_SET types, | |
3384 | * and obsoletes RFC 6472. | |
3385 | */ | |
3386 | if (peer->bgp->reject_as_sets == BGP_REJECT_AS_SETS_ENABLED) | |
3387 | if (aspath_check_as_sets(attr->aspath)) { | |
3388 | reason = | |
3389 | "as-path contains AS_SET or AS_CONFED_SET type;"; | |
3390 | goto filtered; | |
3391 | } | |
3392 | ||
6f4f49b2 | 3393 | new_attr = *attr; |
d62a17ae | 3394 | |
3395 | /* Apply incoming route-map. | |
3396 | * NB: new_attr may now contain newly allocated values from route-map | |
3397 | * "set" | |
3398 | * commands, so we need bgp_attr_flush in the error paths, until we | |
3399 | * intern | |
3400 | * the attr (which takes over the memory references) */ | |
82b692c0 | 3401 | if (bgp_input_modifier(peer, p, &new_attr, afi, safi, NULL, |
196c6b09 | 3402 | label, num_labels, rn) == RMAP_DENY) { |
b4d46cc9 | 3403 | peer->stat_pfx_filter++; |
d62a17ae | 3404 | reason = "route-map;"; |
3405 | bgp_attr_flush(&new_attr); | |
3406 | goto filtered; | |
3407 | } | |
718e3744 | 3408 | |
05864da7 | 3409 | if (pi && pi->attr->rmap_table_id != new_attr.rmap_table_id) { |
1276ce38 PG |
3410 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) |
3411 | /* remove from RIB previous entry */ | |
3412 | bgp_zebra_withdraw(p, pi, bgp, safi); | |
3413 | } | |
3414 | ||
7f323236 DW |
3415 | if (peer->sort == BGP_PEER_EBGP) { |
3416 | ||
a4d82a8a PZ |
3417 | /* If we receive the graceful-shutdown community from an eBGP |
3418 | * peer we must lower local-preference */ | |
3419 | if (new_attr.community | |
3420 | && community_include(new_attr.community, COMMUNITY_GSHUT)) { | |
7f323236 DW |
3421 | new_attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); |
3422 | new_attr.local_pref = BGP_GSHUT_LOCAL_PREF; | |
3423 | ||
a4d82a8a PZ |
3424 | /* If graceful-shutdown is configured then add the GSHUT |
3425 | * community to all paths received from eBGP peers */ | |
3426 | } else if (bgp_flag_check(peer->bgp, | |
3427 | BGP_FLAG_GRACEFUL_SHUTDOWN)) { | |
7f323236 DW |
3428 | bgp_attr_add_gshut_community(&new_attr); |
3429 | } | |
3430 | } | |
3431 | ||
949b0f24 | 3432 | if (pi) { |
3433 | pi_type = pi->type; | |
3434 | pi_sub_type = pi->sub_type; | |
3435 | } | |
3436 | ||
d62a17ae | 3437 | /* next hop check. */ |
a4d82a8a | 3438 | if (!CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD) |
949b0f24 | 3439 | && bgp_update_martian_nexthop(bgp, afi, safi, pi_type, |
3440 | pi_sub_type, &new_attr, rn)) { | |
b4d46cc9 | 3441 | peer->stat_pfx_nh_invalid++; |
d62a17ae | 3442 | reason = "martian or self next-hop;"; |
3443 | bgp_attr_flush(&new_attr); | |
3444 | goto filtered; | |
3445 | } | |
718e3744 | 3446 | |
5c14a191 | 3447 | if (bgp_mac_entry_exists(p) || bgp_mac_exist(&attr->rmac)) { |
b4d46cc9 | 3448 | peer->stat_pfx_nh_invalid++; |
4e802e66 DS |
3449 | reason = "self mac;"; |
3450 | goto filtered; | |
3451 | } | |
3452 | ||
d62a17ae | 3453 | attr_new = bgp_attr_intern(&new_attr); |
3454 | ||
3455 | /* If the update is implicit withdraw. */ | |
40381db7 DS |
3456 | if (pi) { |
3457 | pi->uptime = bgp_clock(); | |
3458 | same_attr = attrhash_cmp(pi->attr, attr_new); | |
d62a17ae | 3459 | |
4a11bf2c DL |
3460 | hook_call(bgp_process, bgp, afi, safi, rn, peer, true); |
3461 | ||
d62a17ae | 3462 | /* Same attribute comes in. */ |
40381db7 DS |
3463 | if (!CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) |
3464 | && attrhash_cmp(pi->attr, attr_new) | |
d62a17ae | 3465 | && (!has_valid_label |
40381db7 | 3466 | || memcmp(&(bgp_path_info_extra_get(pi))->label, label, |
b57ba6d2 | 3467 | num_labels * sizeof(mpls_label_t)) |
d62a17ae | 3468 | == 0) |
3469 | && (overlay_index_equal( | |
40381db7 | 3470 | afi, pi, evpn == NULL ? NULL : &evpn->eth_s_id, |
d62a17ae | 3471 | evpn == NULL ? NULL : &evpn->gw_ip))) { |
3472 | if (CHECK_FLAG(bgp->af_flags[afi][safi], | |
3473 | BGP_CONFIG_DAMPENING) | |
3474 | && peer->sort == BGP_PEER_EBGP | |
40381db7 | 3475 | && CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) { |
d62a17ae | 3476 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3477 | bgp_debug_rdpfxpath2str( | |
a4d82a8a PZ |
3478 | afi, safi, prd, p, label, |
3479 | num_labels, addpath_id ? 1 : 0, | |
3480 | addpath_id, pfx_buf, | |
3481 | sizeof(pfx_buf)); | |
d62a17ae | 3482 | zlog_debug("%s rcvd %s", peer->host, |
3483 | pfx_buf); | |
3484 | } | |
3485 | ||
40381db7 | 3486 | if (bgp_damp_update(pi, rn, afi, safi) |
d62a17ae | 3487 | != BGP_DAMP_SUPPRESSED) { |
40381db7 | 3488 | bgp_aggregate_increment(bgp, p, pi, afi, |
d62a17ae | 3489 | safi); |
3490 | bgp_process(bgp, rn, afi, safi); | |
3491 | } | |
3492 | } else /* Duplicate - odd */ | |
3493 | { | |
3494 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
3495 | if (!peer->rcvd_attr_printed) { | |
3496 | zlog_debug( | |
3497 | "%s rcvd UPDATE w/ attr: %s", | |
3498 | peer->host, | |
3499 | peer->rcvd_attr_str); | |
3500 | peer->rcvd_attr_printed = 1; | |
3501 | } | |
3502 | ||
3503 | bgp_debug_rdpfxpath2str( | |
a4d82a8a PZ |
3504 | afi, safi, prd, p, label, |
3505 | num_labels, addpath_id ? 1 : 0, | |
3506 | addpath_id, pfx_buf, | |
3507 | sizeof(pfx_buf)); | |
d62a17ae | 3508 | zlog_debug( |
3509 | "%s rcvd %s...duplicate ignored", | |
3510 | peer->host, pfx_buf); | |
3511 | } | |
3512 | ||
3513 | /* graceful restart STALE flag unset. */ | |
40381db7 | 3514 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) { |
18ee8310 | 3515 | bgp_path_info_unset_flag( |
40381db7 | 3516 | rn, pi, BGP_PATH_STALE); |
f009ff26 | 3517 | bgp_node_set_defer_flag(rn, false); |
d62a17ae | 3518 | bgp_process(bgp, rn, afi, safi); |
3519 | } | |
3520 | } | |
3521 | ||
3522 | bgp_unlock_node(rn); | |
3523 | bgp_attr_unintern(&attr_new); | |
3524 | ||
3525 | return 0; | |
3526 | } | |
718e3744 | 3527 | |
d62a17ae | 3528 | /* Withdraw/Announce before we fully processed the withdraw */ |
40381db7 | 3529 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) { |
d62a17ae | 3530 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3531 | bgp_debug_rdpfxpath2str( | |
a4d82a8a | 3532 | afi, safi, prd, p, label, num_labels, |
d62a17ae | 3533 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3534 | sizeof(pfx_buf)); | |
3535 | zlog_debug( | |
3536 | "%s rcvd %s, flapped quicker than processing", | |
3537 | peer->host, pfx_buf); | |
3538 | } | |
3539 | ||
40381db7 | 3540 | bgp_path_info_restore(rn, pi); |
d62a17ae | 3541 | } |
718e3744 | 3542 | |
d62a17ae | 3543 | /* Received Logging. */ |
3544 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a PZ |
3545 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, |
3546 | num_labels, addpath_id ? 1 : 0, | |
3547 | addpath_id, pfx_buf, | |
3548 | sizeof(pfx_buf)); | |
d62a17ae | 3549 | zlog_debug("%s rcvd %s", peer->host, pfx_buf); |
3550 | } | |
718e3744 | 3551 | |
d62a17ae | 3552 | /* graceful restart STALE flag unset. */ |
f009ff26 | 3553 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) { |
40381db7 | 3554 | bgp_path_info_unset_flag(rn, pi, BGP_PATH_STALE); |
f009ff26 | 3555 | bgp_node_set_defer_flag(rn, false); |
3556 | } | |
d62a17ae | 3557 | |
3558 | /* The attribute is changed. */ | |
40381db7 | 3559 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 3560 | |
3561 | /* implicit withdraw, decrement aggregate and pcount here. | |
3562 | * only if update is accepted, they'll increment below. | |
3563 | */ | |
40381db7 | 3564 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
d62a17ae | 3565 | |
3566 | /* Update bgp route dampening information. */ | |
3567 | if (CHECK_FLAG(bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
3568 | && peer->sort == BGP_PEER_EBGP) { | |
3569 | /* This is implicit withdraw so we should update | |
3570 | dampening | |
3571 | information. */ | |
40381db7 DS |
3572 | if (!CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) |
3573 | bgp_damp_withdraw(pi, rn, afi, safi, 1); | |
d62a17ae | 3574 | } |
65efcfce | 3575 | #if ENABLE_BGP_VNC |
d62a17ae | 3576 | if (safi == SAFI_MPLS_VPN) { |
3577 | struct bgp_node *prn = NULL; | |
3578 | struct bgp_table *table = NULL; | |
3579 | ||
3580 | prn = bgp_node_get(bgp->rib[afi][safi], | |
3581 | (struct prefix *)prd); | |
67009e22 DS |
3582 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3583 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3584 | |
3585 | vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( | |
40381db7 | 3586 | bgp, prd, table, p, pi); |
d62a17ae | 3587 | } |
3588 | bgp_unlock_node(prn); | |
3589 | } | |
3590 | if ((afi == AFI_IP || afi == AFI_IP6) | |
3591 | && (safi == SAFI_UNICAST)) { | |
40381db7 | 3592 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 3593 | /* |
3594 | * Implicit withdraw case. | |
3595 | */ | |
3596 | ++vnc_implicit_withdraw; | |
40381db7 DS |
3597 | vnc_import_bgp_del_route(bgp, p, pi); |
3598 | vnc_import_bgp_exterior_del_route(bgp, p, pi); | |
d62a17ae | 3599 | } |
3600 | } | |
65efcfce | 3601 | #endif |
128ea8ab | 3602 | |
d62a17ae | 3603 | /* Special handling for EVPN update of an existing route. If the |
3604 | * extended community attribute has changed, we need to | |
3605 | * un-import | |
3606 | * the route using its existing extended community. It will be | |
3607 | * subsequently processed for import with the new extended | |
3608 | * community. | |
3609 | */ | |
3610 | if (safi == SAFI_EVPN && !same_attr) { | |
40381db7 | 3611 | if ((pi->attr->flag |
d62a17ae | 3612 | & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) |
3613 | && (attr_new->flag | |
3614 | & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES))) { | |
3615 | int cmp; | |
3616 | ||
40381db7 | 3617 | cmp = ecommunity_cmp(pi->attr->ecommunity, |
d62a17ae | 3618 | attr_new->ecommunity); |
3619 | if (!cmp) { | |
3620 | if (bgp_debug_update(peer, p, NULL, 1)) | |
3621 | zlog_debug( | |
3622 | "Change in EXT-COMM, existing %s new %s", | |
3623 | ecommunity_str( | |
40381db7 | 3624 | pi->attr->ecommunity), |
d62a17ae | 3625 | ecommunity_str( |
3626 | attr_new->ecommunity)); | |
3627 | bgp_evpn_unimport_route(bgp, afi, safi, | |
40381db7 | 3628 | p, pi); |
d62a17ae | 3629 | } |
3630 | } | |
3631 | } | |
718e3744 | 3632 | |
d62a17ae | 3633 | /* Update to new attribute. */ |
40381db7 DS |
3634 | bgp_attr_unintern(&pi->attr); |
3635 | pi->attr = attr_new; | |
d62a17ae | 3636 | |
3637 | /* Update MPLS label */ | |
3638 | if (has_valid_label) { | |
40381db7 | 3639 | extra = bgp_path_info_extra_get(pi); |
8ba71050 NS |
3640 | if (extra->label != label) { |
3641 | memcpy(&extra->label, label, | |
dbd587da | 3642 | num_labels * sizeof(mpls_label_t)); |
8ba71050 NS |
3643 | extra->num_labels = num_labels; |
3644 | } | |
b57ba6d2 MK |
3645 | if (!(afi == AFI_L2VPN && safi == SAFI_EVPN)) |
3646 | bgp_set_valid_label(&extra->label[0]); | |
fc9a856f | 3647 | } |
718e3744 | 3648 | |
e496b420 HS |
3649 | /* Update SRv6 SID */ |
3650 | if (attr->srv6_l3vpn) { | |
3651 | extra = bgp_path_info_extra_get(pi); | |
3652 | if (sid_diff(&extra->sid[0], &attr->srv6_l3vpn->sid)) { | |
3653 | sid_copy(&extra->sid[0], | |
3654 | &attr->srv6_l3vpn->sid); | |
3655 | extra->num_sids = 1; | |
3656 | } | |
3657 | } else if (attr->srv6_vpn) { | |
3658 | extra = bgp_path_info_extra_get(pi); | |
3659 | if (sid_diff(&extra->sid[0], &attr->srv6_vpn->sid)) { | |
3660 | sid_copy(&extra->sid[0], &attr->srv6_vpn->sid); | |
3661 | extra->num_sids = 1; | |
3662 | } | |
3663 | } | |
3664 | ||
65efcfce | 3665 | #if ENABLE_BGP_VNC |
d62a17ae | 3666 | if ((afi == AFI_IP || afi == AFI_IP6) |
3667 | && (safi == SAFI_UNICAST)) { | |
3668 | if (vnc_implicit_withdraw) { | |
3669 | /* | |
3670 | * Add back the route with its new attributes | |
3671 | * (e.g., nexthop). | |
3672 | * The route is still selected, until the route | |
3673 | * selection | |
3674 | * queued by bgp_process actually runs. We have | |
3675 | * to make this | |
3676 | * update to the VNC side immediately to avoid | |
3677 | * racing against | |
3678 | * configuration changes (e.g., route-map | |
3679 | * changes) which | |
3680 | * trigger re-importation of the entire RIB. | |
3681 | */ | |
40381db7 DS |
3682 | vnc_import_bgp_add_route(bgp, p, pi); |
3683 | vnc_import_bgp_exterior_add_route(bgp, p, pi); | |
d62a17ae | 3684 | } |
3685 | } | |
65efcfce | 3686 | #endif |
d62a17ae | 3687 | /* Update Overlay Index */ |
3688 | if (afi == AFI_L2VPN) { | |
3689 | overlay_index_update( | |
40381db7 | 3690 | pi->attr, evpn == NULL ? NULL : &evpn->eth_s_id, |
d62a17ae | 3691 | evpn == NULL ? NULL : &evpn->gw_ip); |
3692 | } | |
65efcfce | 3693 | |
d62a17ae | 3694 | /* Update bgp route dampening information. */ |
3695 | if (CHECK_FLAG(bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING) | |
3696 | && peer->sort == BGP_PEER_EBGP) { | |
3697 | /* Now we do normal update dampening. */ | |
40381db7 | 3698 | ret = bgp_damp_update(pi, rn, afi, safi); |
d62a17ae | 3699 | if (ret == BGP_DAMP_SUPPRESSED) { |
3700 | bgp_unlock_node(rn); | |
3701 | return 0; | |
3702 | } | |
3703 | } | |
128ea8ab | 3704 | |
d62a17ae | 3705 | /* Nexthop reachability check - for unicast and |
3706 | * labeled-unicast.. */ | |
7c312383 AD |
3707 | if (((afi == AFI_IP || afi == AFI_IP6) |
3708 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) | |
3709 | || (safi == SAFI_EVPN && | |
3710 | bgp_evpn_is_prefix_nht_supported(p))) { | |
c8d6f0d6 DA |
3711 | if (safi != SAFI_EVPN && peer->sort == BGP_PEER_EBGP |
3712 | && peer->ttl == BGP_DEFAULT_TTL | |
d62a17ae | 3713 | && !CHECK_FLAG(peer->flags, |
3714 | PEER_FLAG_DISABLE_CONNECTED_CHECK) | |
3715 | && !bgp_flag_check( | |
3716 | bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK)) | |
3717 | connected = 1; | |
3718 | else | |
3719 | connected = 0; | |
3720 | ||
960035b2 PZ |
3721 | struct bgp *bgp_nexthop = bgp; |
3722 | ||
40381db7 DS |
3723 | if (pi->extra && pi->extra->bgp_orig) |
3724 | bgp_nexthop = pi->extra->bgp_orig; | |
960035b2 | 3725 | |
7c312383 AD |
3726 | nh_afi = BGP_ATTR_NH_AFI(afi, pi->attr); |
3727 | ||
3728 | if (bgp_find_or_add_nexthop(bgp, bgp_nexthop, nh_afi, | |
3729 | pi, NULL, connected) | |
a4d82a8a | 3730 | || CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD)) |
40381db7 | 3731 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); |
d62a17ae | 3732 | else { |
3733 | if (BGP_DEBUG(nht, NHT)) { | |
3734 | char buf1[INET6_ADDRSTRLEN]; | |
3735 | inet_ntop(AF_INET, | |
3736 | (const void *)&attr_new | |
3737 | ->nexthop, | |
3738 | buf1, INET6_ADDRSTRLEN); | |
3739 | zlog_debug("%s(%s): NH unresolved", | |
3740 | __FUNCTION__, buf1); | |
3741 | } | |
40381db7 | 3742 | bgp_path_info_unset_flag(rn, pi, |
18ee8310 | 3743 | BGP_PATH_VALID); |
d62a17ae | 3744 | } |
3745 | } else | |
40381db7 | 3746 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); |
d62a17ae | 3747 | |
3748 | #if ENABLE_BGP_VNC | |
3749 | if (safi == SAFI_MPLS_VPN) { | |
3750 | struct bgp_node *prn = NULL; | |
3751 | struct bgp_table *table = NULL; | |
3752 | ||
3753 | prn = bgp_node_get(bgp->rib[afi][safi], | |
3754 | (struct prefix *)prd); | |
67009e22 DS |
3755 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3756 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3757 | |
3758 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
40381db7 | 3759 | bgp, prd, table, p, pi); |
d62a17ae | 3760 | } |
3761 | bgp_unlock_node(prn); | |
3762 | } | |
3763 | #endif | |
718e3744 | 3764 | |
d62a17ae | 3765 | /* If this is an EVPN route and some attribute has changed, |
3766 | * process | |
3767 | * route for import. If the extended community has changed, we | |
3768 | * would | |
3769 | * have done the un-import earlier and the import would result | |
3770 | * in the | |
3771 | * route getting injected into appropriate L2 VNIs. If it is | |
3772 | * just | |
3773 | * some other attribute change, the import will result in | |
3774 | * updating | |
3775 | * the attributes for the route in the VNI(s). | |
3776 | */ | |
7c312383 AD |
3777 | if (safi == SAFI_EVPN && !same_attr && |
3778 | CHECK_FLAG(pi->flags, BGP_PATH_VALID)) | |
40381db7 | 3779 | bgp_evpn_import_route(bgp, afi, safi, p, pi); |
d62a17ae | 3780 | |
3781 | /* Process change. */ | |
40381db7 | 3782 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 3783 | |
3784 | bgp_process(bgp, rn, afi, safi); | |
3785 | bgp_unlock_node(rn); | |
558d1fec | 3786 | |
ddb5b488 PZ |
3787 | if (SAFI_UNICAST == safi |
3788 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3789 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3790 | ||
40381db7 | 3791 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
3792 | } |
3793 | if ((SAFI_MPLS_VPN == safi) | |
3794 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3795 | ||
40381db7 | 3796 | vpn_leak_to_vrf_update(bgp, pi); |
ddb5b488 PZ |
3797 | } |
3798 | ||
28070ee3 | 3799 | #if ENABLE_BGP_VNC |
d62a17ae | 3800 | if (SAFI_MPLS_VPN == safi) { |
3801 | mpls_label_t label_decoded = decode_label(label); | |
28070ee3 | 3802 | |
d62a17ae | 3803 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, |
3804 | type, sub_type, &label_decoded); | |
3805 | } | |
3806 | if (SAFI_ENCAP == safi) { | |
3807 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, | |
3808 | type, sub_type, NULL); | |
3809 | } | |
28070ee3 PZ |
3810 | #endif |
3811 | ||
d62a17ae | 3812 | return 0; |
3813 | } // End of implicit withdraw | |
718e3744 | 3814 | |
d62a17ae | 3815 | /* Received Logging. */ |
3816 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
3817 | if (!peer->rcvd_attr_printed) { | |
3818 | zlog_debug("%s rcvd UPDATE w/ attr: %s", peer->host, | |
3819 | peer->rcvd_attr_str); | |
3820 | peer->rcvd_attr_printed = 1; | |
3821 | } | |
718e3744 | 3822 | |
a4d82a8a | 3823 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3824 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3825 | sizeof(pfx_buf)); | |
3826 | zlog_debug("%s rcvd %s", peer->host, pfx_buf); | |
3827 | } | |
718e3744 | 3828 | |
d62a17ae | 3829 | /* Make new BGP info. */ |
3830 | new = info_make(type, sub_type, 0, peer, attr_new, rn); | |
718e3744 | 3831 | |
d62a17ae | 3832 | /* Update MPLS label */ |
3833 | if (has_valid_label) { | |
18ee8310 | 3834 | extra = bgp_path_info_extra_get(new); |
8ba71050 | 3835 | if (extra->label != label) { |
dbd587da QY |
3836 | memcpy(&extra->label, label, |
3837 | num_labels * sizeof(mpls_label_t)); | |
8ba71050 NS |
3838 | extra->num_labels = num_labels; |
3839 | } | |
b57ba6d2 MK |
3840 | if (!(afi == AFI_L2VPN && safi == SAFI_EVPN)) |
3841 | bgp_set_valid_label(&extra->label[0]); | |
fc9a856f | 3842 | } |
718e3744 | 3843 | |
e496b420 HS |
3844 | /* Update SRv6 SID */ |
3845 | if (safi == SAFI_MPLS_VPN) { | |
3846 | extra = bgp_path_info_extra_get(new); | |
3847 | if (attr->srv6_l3vpn) { | |
3848 | sid_copy(&extra->sid[0], &attr->srv6_l3vpn->sid); | |
3849 | extra->num_sids = 1; | |
3850 | } else if (attr->srv6_vpn) { | |
3851 | sid_copy(&extra->sid[0], &attr->srv6_vpn->sid); | |
3852 | extra->num_sids = 1; | |
3853 | } | |
3854 | } | |
3855 | ||
d62a17ae | 3856 | /* Update Overlay Index */ |
3857 | if (afi == AFI_L2VPN) { | |
3858 | overlay_index_update(new->attr, | |
3859 | evpn == NULL ? NULL : &evpn->eth_s_id, | |
3860 | evpn == NULL ? NULL : &evpn->gw_ip); | |
3861 | } | |
3862 | /* Nexthop reachability check. */ | |
7c312383 AD |
3863 | if (((afi == AFI_IP || afi == AFI_IP6) |
3864 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) | |
3865 | || (safi == SAFI_EVPN && bgp_evpn_is_prefix_nht_supported(p))) { | |
c8d6f0d6 DA |
3866 | if (safi != SAFI_EVPN && peer->sort == BGP_PEER_EBGP |
3867 | && peer->ttl == BGP_DEFAULT_TTL | |
d62a17ae | 3868 | && !CHECK_FLAG(peer->flags, |
3869 | PEER_FLAG_DISABLE_CONNECTED_CHECK) | |
3870 | && !bgp_flag_check(bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK)) | |
3871 | connected = 1; | |
3872 | else | |
3873 | connected = 0; | |
3874 | ||
7c312383 AD |
3875 | nh_afi = BGP_ATTR_NH_AFI(afi, new->attr); |
3876 | ||
3877 | if (bgp_find_or_add_nexthop(bgp, bgp, nh_afi, new, NULL, | |
3878 | connected) | |
a4d82a8a | 3879 | || CHECK_FLAG(peer->flags, PEER_FLAG_IS_RFAPI_HD)) |
18ee8310 | 3880 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 3881 | else { |
3882 | if (BGP_DEBUG(nht, NHT)) { | |
3883 | char buf1[INET6_ADDRSTRLEN]; | |
3884 | inet_ntop(AF_INET, | |
3885 | (const void *)&attr_new->nexthop, | |
3886 | buf1, INET6_ADDRSTRLEN); | |
3887 | zlog_debug("%s(%s): NH unresolved", | |
3888 | __FUNCTION__, buf1); | |
3889 | } | |
18ee8310 | 3890 | bgp_path_info_unset_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 3891 | } |
3892 | } else | |
18ee8310 | 3893 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
a82478b9 | 3894 | |
d62a17ae | 3895 | /* Addpath ID */ |
3896 | new->addpath_rx_id = addpath_id; | |
3897 | ||
3898 | /* Increment prefix */ | |
3899 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
3900 | ||
3901 | /* Register new BGP information. */ | |
18ee8310 | 3902 | bgp_path_info_add(rn, new); |
d62a17ae | 3903 | |
3904 | /* route_node_get lock */ | |
3905 | bgp_unlock_node(rn); | |
558d1fec | 3906 | |
65efcfce | 3907 | #if ENABLE_BGP_VNC |
d62a17ae | 3908 | if (safi == SAFI_MPLS_VPN) { |
3909 | struct bgp_node *prn = NULL; | |
3910 | struct bgp_table *table = NULL; | |
3911 | ||
3912 | prn = bgp_node_get(bgp->rib[afi][safi], (struct prefix *)prd); | |
67009e22 DS |
3913 | if (bgp_node_has_bgp_path_info_data(prn)) { |
3914 | table = bgp_node_get_bgp_table_info(prn); | |
d62a17ae | 3915 | |
3916 | vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( | |
3917 | bgp, prd, table, p, new); | |
3918 | } | |
3919 | bgp_unlock_node(prn); | |
3920 | } | |
65efcfce LB |
3921 | #endif |
3922 | ||
d62a17ae | 3923 | /* If maximum prefix count is configured and current prefix |
3924 | count exeed it. */ | |
3925 | if (bgp_maximum_prefix_overflow(peer, afi, safi, 0)) | |
3926 | return -1; | |
718e3744 | 3927 | |
d62a17ae | 3928 | /* If this is an EVPN route, process for import. */ |
7c312383 | 3929 | if (safi == SAFI_EVPN && CHECK_FLAG(new->flags, BGP_PATH_VALID)) |
d62a17ae | 3930 | bgp_evpn_import_route(bgp, afi, safi, p, new); |
128ea8ab | 3931 | |
4a11bf2c DL |
3932 | hook_call(bgp_process, bgp, afi, safi, rn, peer, false); |
3933 | ||
d62a17ae | 3934 | /* Process change. */ |
3935 | bgp_process(bgp, rn, afi, safi); | |
718e3744 | 3936 | |
ddb5b488 PZ |
3937 | if (SAFI_UNICAST == safi |
3938 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3939 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3940 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
3941 | } | |
3942 | if ((SAFI_MPLS_VPN == safi) | |
3943 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3944 | ||
3945 | vpn_leak_to_vrf_update(bgp, new); | |
3946 | } | |
28070ee3 | 3947 | #if ENABLE_BGP_VNC |
d62a17ae | 3948 | if (SAFI_MPLS_VPN == safi) { |
3949 | mpls_label_t label_decoded = decode_label(label); | |
28070ee3 | 3950 | |
d62a17ae | 3951 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, type, |
3952 | sub_type, &label_decoded); | |
3953 | } | |
3954 | if (SAFI_ENCAP == safi) { | |
3955 | rfapiProcessUpdate(peer, NULL, p, prd, attr, afi, safi, type, | |
3956 | sub_type, NULL); | |
3957 | } | |
28070ee3 PZ |
3958 | #endif |
3959 | ||
d62a17ae | 3960 | return 0; |
718e3744 | 3961 | |
d62a17ae | 3962 | /* This BGP update is filtered. Log the reason then update BGP |
3963 | entry. */ | |
3964 | filtered: | |
4a11bf2c DL |
3965 | hook_call(bgp_process, bgp, afi, safi, rn, peer, true); |
3966 | ||
d62a17ae | 3967 | if (bgp_debug_update(peer, p, NULL, 1)) { |
3968 | if (!peer->rcvd_attr_printed) { | |
3969 | zlog_debug("%s rcvd UPDATE w/ attr: %s", peer->host, | |
3970 | peer->rcvd_attr_str); | |
3971 | peer->rcvd_attr_printed = 1; | |
3972 | } | |
718e3744 | 3973 | |
a4d82a8a | 3974 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 3975 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
3976 | sizeof(pfx_buf)); | |
3977 | zlog_debug("%s rcvd UPDATE about %s -- DENIED due to: %s", | |
3978 | peer->host, pfx_buf, reason); | |
3979 | } | |
128ea8ab | 3980 | |
40381db7 | 3981 | if (pi) { |
d62a17ae | 3982 | /* If this is an EVPN route, un-import it as it is now filtered. |
3983 | */ | |
3984 | if (safi == SAFI_EVPN) | |
40381db7 | 3985 | bgp_evpn_unimport_route(bgp, afi, safi, p, pi); |
718e3744 | 3986 | |
ddb5b488 PZ |
3987 | if (SAFI_UNICAST == safi |
3988 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
3989 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3990 | ||
40381db7 | 3991 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
3992 | } |
3993 | if ((SAFI_MPLS_VPN == safi) | |
3994 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
3995 | ||
40381db7 | 3996 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 PZ |
3997 | } |
3998 | ||
40381db7 | 3999 | bgp_rib_remove(rn, pi, peer, afi, safi); |
d62a17ae | 4000 | } |
4001 | ||
4002 | bgp_unlock_node(rn); | |
558d1fec | 4003 | |
97736e32 | 4004 | #if ENABLE_BGP_VNC |
d62a17ae | 4005 | /* |
4006 | * Filtered update is treated as an implicit withdrawal (see | |
4007 | * bgp_rib_remove() | |
4008 | * a few lines above) | |
4009 | */ | |
4010 | if ((SAFI_MPLS_VPN == safi) || (SAFI_ENCAP == safi)) { | |
4011 | rfapiProcessWithdraw(peer, NULL, p, prd, NULL, afi, safi, type, | |
4012 | 0); | |
4013 | } | |
97736e32 PZ |
4014 | #endif |
4015 | ||
d62a17ae | 4016 | return 0; |
718e3744 | 4017 | } |
4018 | ||
d7c0a89a | 4019 | int bgp_withdraw(struct peer *peer, struct prefix *p, uint32_t addpath_id, |
d62a17ae | 4020 | struct attr *attr, afi_t afi, safi_t safi, int type, |
a4d82a8a | 4021 | int sub_type, struct prefix_rd *prd, mpls_label_t *label, |
d7c0a89a | 4022 | uint32_t num_labels, struct bgp_route_evpn *evpn) |
718e3744 | 4023 | { |
d62a17ae | 4024 | struct bgp *bgp; |
4025 | char pfx_buf[BGP_PRD_PATH_STRLEN]; | |
4026 | struct bgp_node *rn; | |
40381db7 | 4027 | struct bgp_path_info *pi; |
718e3744 | 4028 | |
28070ee3 | 4029 | #if ENABLE_BGP_VNC |
d62a17ae | 4030 | if ((SAFI_MPLS_VPN == safi) || (SAFI_ENCAP == safi)) { |
4031 | rfapiProcessWithdraw(peer, NULL, p, prd, NULL, afi, safi, type, | |
4032 | 0); | |
4033 | } | |
28070ee3 PZ |
4034 | #endif |
4035 | ||
d62a17ae | 4036 | bgp = peer->bgp; |
4037 | ||
4038 | /* Lookup node. */ | |
4039 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); | |
4040 | ||
4041 | /* If peer is soft reconfiguration enabled. Record input packet for | |
4042 | * further calculation. | |
4043 | * | |
4044 | * Cisco IOS 12.4(24)T4 on session establishment sends withdraws for all | |
4045 | * routes that are filtered. This tanks out Quagga RS pretty badly due | |
4046 | * to | |
4047 | * the iteration over all RS clients. | |
4048 | * Since we need to remove the entry from adj_in anyway, do that first | |
4049 | * and | |
4050 | * if there was no entry, we don't need to do anything more. | |
4051 | */ | |
4052 | if (CHECK_FLAG(peer->af_flags[afi][safi], PEER_FLAG_SOFT_RECONFIG) | |
4053 | && peer != bgp->peer_self) | |
4054 | if (!bgp_adj_in_unset(rn, peer, addpath_id)) { | |
b4d46cc9 DL |
4055 | peer->stat_pfx_dup_withdraw++; |
4056 | ||
d62a17ae | 4057 | if (bgp_debug_update(peer, p, NULL, 1)) { |
4058 | bgp_debug_rdpfxpath2str( | |
a4d82a8a | 4059 | afi, safi, prd, p, label, num_labels, |
d62a17ae | 4060 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
4061 | sizeof(pfx_buf)); | |
4062 | zlog_debug( | |
4063 | "%s withdrawing route %s not in adj-in", | |
4064 | peer->host, pfx_buf); | |
4065 | } | |
4066 | bgp_unlock_node(rn); | |
4067 | return 0; | |
4068 | } | |
cd808e74 | 4069 | |
d62a17ae | 4070 | /* Lookup withdrawn route. */ |
6f94b685 | 4071 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4072 | if (pi->peer == peer && pi->type == type |
4073 | && pi->sub_type == sub_type | |
4074 | && pi->addpath_rx_id == addpath_id) | |
d62a17ae | 4075 | break; |
4076 | ||
4077 | /* Logging. */ | |
4078 | if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a | 4079 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 4080 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
4081 | sizeof(pfx_buf)); | |
4082 | zlog_debug("%s rcvd UPDATE about %s -- withdrawn", peer->host, | |
4083 | pfx_buf); | |
4084 | } | |
718e3744 | 4085 | |
d62a17ae | 4086 | /* Withdraw specified route from routing table. */ |
40381db7 DS |
4087 | if (pi && !CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) { |
4088 | bgp_rib_withdraw(rn, pi, peer, afi, safi, prd); | |
ddb5b488 PZ |
4089 | if (SAFI_UNICAST == safi |
4090 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
4091 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
40381db7 | 4092 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 PZ |
4093 | } |
4094 | if ((SAFI_MPLS_VPN == safi) | |
4095 | && (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
4096 | ||
40381db7 | 4097 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 PZ |
4098 | } |
4099 | } else if (bgp_debug_update(peer, p, NULL, 1)) { | |
a4d82a8a | 4100 | bgp_debug_rdpfxpath2str(afi, safi, prd, p, label, num_labels, |
d62a17ae | 4101 | addpath_id ? 1 : 0, addpath_id, pfx_buf, |
4102 | sizeof(pfx_buf)); | |
4103 | zlog_debug("%s Can't find the route %s", peer->host, pfx_buf); | |
4104 | } | |
718e3744 | 4105 | |
d62a17ae | 4106 | /* Unlock bgp_node_get() lock. */ |
4107 | bgp_unlock_node(rn); | |
4108 | ||
4109 | return 0; | |
718e3744 | 4110 | } |
6b0655a2 | 4111 | |
d62a17ae | 4112 | void bgp_default_originate(struct peer *peer, afi_t afi, safi_t safi, |
4113 | int withdraw) | |
718e3744 | 4114 | { |
d62a17ae | 4115 | struct update_subgroup *subgrp; |
4116 | subgrp = peer_subgroup(peer, afi, safi); | |
4117 | subgroup_default_originate(subgrp, withdraw); | |
3f9c7369 | 4118 | } |
6182d65b | 4119 | |
718e3744 | 4120 | |
3f9c7369 DS |
4121 | /* |
4122 | * bgp_stop_announce_route_timer | |
4123 | */ | |
d62a17ae | 4124 | void bgp_stop_announce_route_timer(struct peer_af *paf) |
3f9c7369 | 4125 | { |
d62a17ae | 4126 | if (!paf->t_announce_route) |
4127 | return; | |
4128 | ||
4129 | THREAD_TIMER_OFF(paf->t_announce_route); | |
718e3744 | 4130 | } |
6b0655a2 | 4131 | |
3f9c7369 DS |
4132 | /* |
4133 | * bgp_announce_route_timer_expired | |
4134 | * | |
4135 | * Callback that is invoked when the route announcement timer for a | |
4136 | * peer_af expires. | |
4137 | */ | |
d62a17ae | 4138 | static int bgp_announce_route_timer_expired(struct thread *t) |
718e3744 | 4139 | { |
d62a17ae | 4140 | struct peer_af *paf; |
4141 | struct peer *peer; | |
558d1fec | 4142 | |
d62a17ae | 4143 | paf = THREAD_ARG(t); |
4144 | peer = paf->peer; | |
718e3744 | 4145 | |
d62a17ae | 4146 | if (peer->status != Established) |
4147 | return 0; | |
3f9c7369 | 4148 | |
d62a17ae | 4149 | if (!peer->afc_nego[paf->afi][paf->safi]) |
4150 | return 0; | |
3f9c7369 | 4151 | |
d62a17ae | 4152 | peer_af_announce_route(paf, 1); |
4153 | return 0; | |
718e3744 | 4154 | } |
4155 | ||
3f9c7369 DS |
4156 | /* |
4157 | * bgp_announce_route | |
4158 | * | |
4159 | * *Triggers* announcement of routes of a given AFI/SAFI to a peer. | |
4160 | */ | |
d62a17ae | 4161 | void bgp_announce_route(struct peer *peer, afi_t afi, safi_t safi) |
4162 | { | |
4163 | struct peer_af *paf; | |
4164 | struct update_subgroup *subgrp; | |
4165 | ||
4166 | paf = peer_af_find(peer, afi, safi); | |
4167 | if (!paf) | |
4168 | return; | |
4169 | subgrp = PAF_SUBGRP(paf); | |
4170 | ||
4171 | /* | |
4172 | * Ignore if subgroup doesn't exist (implies AF is not negotiated) | |
4173 | * or a refresh has already been triggered. | |
4174 | */ | |
4175 | if (!subgrp || paf->t_announce_route) | |
4176 | return; | |
4177 | ||
4178 | /* | |
4179 | * Start a timer to stagger/delay the announce. This serves | |
4180 | * two purposes - announcement can potentially be combined for | |
4181 | * multiple peers and the announcement doesn't happen in the | |
4182 | * vty context. | |
4183 | */ | |
4184 | thread_add_timer_msec(bm->master, bgp_announce_route_timer_expired, paf, | |
4185 | (subgrp->peer_count == 1) | |
4186 | ? BGP_ANNOUNCE_ROUTE_SHORT_DELAY_MS | |
4187 | : BGP_ANNOUNCE_ROUTE_DELAY_MS, | |
4188 | &paf->t_announce_route); | |
3f9c7369 DS |
4189 | } |
4190 | ||
4191 | /* | |
4192 | * Announce routes from all AF tables to a peer. | |
4193 | * | |
4194 | * This should ONLY be called when there is a need to refresh the | |
4195 | * routes to the peer based on a policy change for this peer alone | |
4196 | * or a route refresh request received from the peer. | |
4197 | * The operation will result in splitting the peer from its existing | |
4198 | * subgroups and putting it in new subgroups. | |
4199 | */ | |
d62a17ae | 4200 | void bgp_announce_route_all(struct peer *peer) |
718e3744 | 4201 | { |
d62a17ae | 4202 | afi_t afi; |
4203 | safi_t safi; | |
4204 | ||
05c7a1cc QY |
4205 | FOREACH_AFI_SAFI (afi, safi) |
4206 | bgp_announce_route(peer, afi, safi); | |
718e3744 | 4207 | } |
6b0655a2 | 4208 | |
d62a17ae | 4209 | static void bgp_soft_reconfig_table(struct peer *peer, afi_t afi, safi_t safi, |
4210 | struct bgp_table *table, | |
4211 | struct prefix_rd *prd) | |
718e3744 | 4212 | { |
d62a17ae | 4213 | int ret; |
4214 | struct bgp_node *rn; | |
4215 | struct bgp_adj_in *ain; | |
718e3744 | 4216 | |
d62a17ae | 4217 | if (!table) |
4218 | table = peer->bgp->rib[afi][safi]; | |
718e3744 | 4219 | |
d62a17ae | 4220 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) |
4221 | for (ain = rn->adj_in; ain; ain = ain->next) { | |
ea47320b DL |
4222 | if (ain->peer != peer) |
4223 | continue; | |
8692c506 | 4224 | |
d7d15889 | 4225 | struct bgp_path_info *pi; |
d7c0a89a | 4226 | uint32_t num_labels = 0; |
b57ba6d2 | 4227 | mpls_label_t *label_pnt = NULL; |
8cb687c2 | 4228 | struct bgp_route_evpn evpn; |
b57ba6d2 | 4229 | |
d7d15889 DS |
4230 | for (pi = bgp_node_get_bgp_path_info(rn); pi; |
4231 | pi = pi->next) | |
4232 | if (pi->peer == peer) | |
4233 | break; | |
4234 | ||
40381db7 DS |
4235 | if (pi && pi->extra) |
4236 | num_labels = pi->extra->num_labels; | |
b57ba6d2 | 4237 | if (num_labels) |
40381db7 | 4238 | label_pnt = &pi->extra->label[0]; |
8cb687c2 DS |
4239 | if (pi) |
4240 | memcpy(&evpn, &pi->attr->evpn_overlay, | |
4241 | sizeof(evpn)); | |
4242 | else | |
4243 | memset(&evpn, 0, sizeof(evpn)); | |
8692c506 | 4244 | |
ea47320b DL |
4245 | ret = bgp_update(peer, &rn->p, ain->addpath_rx_id, |
4246 | ain->attr, afi, safi, ZEBRA_ROUTE_BGP, | |
a4d82a8a | 4247 | BGP_ROUTE_NORMAL, prd, label_pnt, |
8cb687c2 | 4248 | num_labels, 1, &evpn); |
ea47320b DL |
4249 | |
4250 | if (ret < 0) { | |
4251 | bgp_unlock_node(rn); | |
4252 | return; | |
d62a17ae | 4253 | } |
4254 | } | |
718e3744 | 4255 | } |
4256 | ||
d62a17ae | 4257 | void bgp_soft_reconfig_in(struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 4258 | { |
d62a17ae | 4259 | struct bgp_node *rn; |
4260 | struct bgp_table *table; | |
718e3744 | 4261 | |
d62a17ae | 4262 | if (peer->status != Established) |
4263 | return; | |
718e3744 | 4264 | |
d62a17ae | 4265 | if ((safi != SAFI_MPLS_VPN) && (safi != SAFI_ENCAP) |
4266 | && (safi != SAFI_EVPN)) | |
4267 | bgp_soft_reconfig_table(peer, afi, safi, NULL, NULL); | |
4268 | else | |
4269 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
67009e22 DS |
4270 | rn = bgp_route_next(rn)) { |
4271 | table = bgp_node_get_bgp_table_info(rn); | |
4272 | if (table != NULL) { | |
d62a17ae | 4273 | struct prefix_rd prd; |
67009e22 | 4274 | |
d62a17ae | 4275 | prd.family = AF_UNSPEC; |
4276 | prd.prefixlen = 64; | |
4277 | memcpy(&prd.val, rn->p.u.val, 8); | |
8692c506 | 4278 | |
d62a17ae | 4279 | bgp_soft_reconfig_table(peer, afi, safi, table, |
4280 | &prd); | |
4281 | } | |
67009e22 | 4282 | } |
718e3744 | 4283 | } |
6b0655a2 | 4284 | |
228da428 | 4285 | |
d62a17ae | 4286 | struct bgp_clear_node_queue { |
4287 | struct bgp_node *rn; | |
228da428 CC |
4288 | }; |
4289 | ||
d62a17ae | 4290 | static wq_item_status bgp_clear_route_node(struct work_queue *wq, void *data) |
200df115 | 4291 | { |
d62a17ae | 4292 | struct bgp_clear_node_queue *cnq = data; |
4293 | struct bgp_node *rn = cnq->rn; | |
4294 | struct peer *peer = wq->spec.data; | |
40381db7 | 4295 | struct bgp_path_info *pi; |
3103e8d2 | 4296 | struct bgp *bgp; |
d62a17ae | 4297 | afi_t afi = bgp_node_table(rn)->afi; |
4298 | safi_t safi = bgp_node_table(rn)->safi; | |
4299 | ||
4300 | assert(rn && peer); | |
3103e8d2 | 4301 | bgp = peer->bgp; |
d62a17ae | 4302 | |
4303 | /* It is possible that we have multiple paths for a prefix from a peer | |
4304 | * if that peer is using AddPath. | |
4305 | */ | |
6f94b685 | 4306 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 4307 | if (pi->peer != peer) |
ea47320b DL |
4308 | continue; |
4309 | ||
4310 | /* graceful restart STALE flag set. */ | |
4311 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_NSF_WAIT) | |
4312 | && peer->nsf[afi][safi] | |
40381db7 DS |
4313 | && !CHECK_FLAG(pi->flags, BGP_PATH_STALE) |
4314 | && !CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) | |
4315 | bgp_path_info_set_flag(rn, pi, BGP_PATH_STALE); | |
ea47320b DL |
4316 | else { |
4317 | /* If this is an EVPN route, process for | |
4318 | * un-import. */ | |
4319 | if (safi == SAFI_EVPN) | |
40381db7 DS |
4320 | bgp_evpn_unimport_route(bgp, afi, safi, &rn->p, |
4321 | pi); | |
3103e8d2 DS |
4322 | /* Handle withdraw for VRF route-leaking and L3VPN */ |
4323 | if (SAFI_UNICAST == safi | |
4324 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF || | |
960035b2 | 4325 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { |
3103e8d2 | 4326 | vpn_leak_from_vrf_withdraw(bgp_get_default(), |
40381db7 | 4327 | bgp, pi); |
960035b2 | 4328 | } |
3103e8d2 | 4329 | if (SAFI_MPLS_VPN == safi && |
960035b2 | 4330 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { |
40381db7 | 4331 | vpn_leak_to_vrf_withdraw(bgp, pi); |
960035b2 | 4332 | } |
3103e8d2 | 4333 | |
40381db7 | 4334 | bgp_rib_remove(rn, pi, peer, afi, safi); |
d62a17ae | 4335 | } |
ea47320b | 4336 | } |
d62a17ae | 4337 | return WQ_SUCCESS; |
200df115 | 4338 | } |
4339 | ||
d62a17ae | 4340 | static void bgp_clear_node_queue_del(struct work_queue *wq, void *data) |
200df115 | 4341 | { |
d62a17ae | 4342 | struct bgp_clear_node_queue *cnq = data; |
4343 | struct bgp_node *rn = cnq->rn; | |
4344 | struct bgp_table *table = bgp_node_table(rn); | |
228da428 | 4345 | |
d62a17ae | 4346 | bgp_unlock_node(rn); |
4347 | bgp_table_unlock(table); | |
4348 | XFREE(MTYPE_BGP_CLEAR_NODE_QUEUE, cnq); | |
200df115 | 4349 | } |
4350 | ||
d62a17ae | 4351 | static void bgp_clear_node_complete(struct work_queue *wq) |
200df115 | 4352 | { |
d62a17ae | 4353 | struct peer *peer = wq->spec.data; |
64e580a7 | 4354 | |
d62a17ae | 4355 | /* Tickle FSM to start moving again */ |
4356 | BGP_EVENT_ADD(peer, Clearing_Completed); | |
4357 | ||
4358 | peer_unlock(peer); /* bgp_clear_route */ | |
200df115 | 4359 | } |
718e3744 | 4360 | |
d62a17ae | 4361 | static void bgp_clear_node_queue_init(struct peer *peer) |
200df115 | 4362 | { |
d62a17ae | 4363 | char wname[sizeof("clear xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx")]; |
4364 | ||
4365 | snprintf(wname, sizeof(wname), "clear %s", peer->host); | |
4366 | #undef CLEAR_QUEUE_NAME_LEN | |
4367 | ||
0ce1ca80 | 4368 | peer->clear_node_queue = work_queue_new(bm->master, wname); |
d62a17ae | 4369 | peer->clear_node_queue->spec.hold = 10; |
4370 | peer->clear_node_queue->spec.workfunc = &bgp_clear_route_node; | |
4371 | peer->clear_node_queue->spec.del_item_data = &bgp_clear_node_queue_del; | |
4372 | peer->clear_node_queue->spec.completion_func = &bgp_clear_node_complete; | |
4373 | peer->clear_node_queue->spec.max_retries = 0; | |
4374 | ||
4375 | /* we only 'lock' this peer reference when the queue is actually active | |
4376 | */ | |
4377 | peer->clear_node_queue->spec.data = peer; | |
65ca75e0 PJ |
4378 | } |
4379 | ||
d62a17ae | 4380 | static void bgp_clear_route_table(struct peer *peer, afi_t afi, safi_t safi, |
4381 | struct bgp_table *table) | |
65ca75e0 | 4382 | { |
d62a17ae | 4383 | struct bgp_node *rn; |
4384 | int force = bm->process_main_queue ? 0 : 1; | |
6cf159b9 | 4385 | |
d62a17ae | 4386 | if (!table) |
4387 | table = peer->bgp->rib[afi][safi]; | |
dc83d712 | 4388 | |
d62a17ae | 4389 | /* If still no table => afi/safi isn't configured at all or smth. */ |
4390 | if (!table) | |
4391 | return; | |
dc83d712 | 4392 | |
d62a17ae | 4393 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
40381db7 | 4394 | struct bgp_path_info *pi, *next; |
d62a17ae | 4395 | struct bgp_adj_in *ain; |
4396 | struct bgp_adj_in *ain_next; | |
4397 | ||
4398 | /* XXX:TODO: This is suboptimal, every non-empty route_node is | |
4399 | * queued for every clearing peer, regardless of whether it is | |
4400 | * relevant to the peer at hand. | |
4401 | * | |
4402 | * Overview: There are 3 different indices which need to be | |
4403 | * scrubbed, potentially, when a peer is removed: | |
4404 | * | |
4405 | * 1 peer's routes visible via the RIB (ie accepted routes) | |
4406 | * 2 peer's routes visible by the (optional) peer's adj-in index | |
4407 | * 3 other routes visible by the peer's adj-out index | |
4408 | * | |
4409 | * 3 there is no hurry in scrubbing, once the struct peer is | |
4410 | * removed from bgp->peer, we could just GC such deleted peer's | |
4411 | * adj-outs at our leisure. | |
4412 | * | |
4413 | * 1 and 2 must be 'scrubbed' in some way, at least made | |
4414 | * invisible via RIB index before peer session is allowed to be | |
4415 | * brought back up. So one needs to know when such a 'search' is | |
4416 | * complete. | |
4417 | * | |
4418 | * Ideally: | |
4419 | * | |
4420 | * - there'd be a single global queue or a single RIB walker | |
4421 | * - rather than tracking which route_nodes still need to be | |
4422 | * examined on a peer basis, we'd track which peers still | |
4423 | * aren't cleared | |
4424 | * | |
4425 | * Given that our per-peer prefix-counts now should be reliable, | |
4426 | * this may actually be achievable. It doesn't seem to be a huge | |
4427 | * problem at this time, | |
4428 | * | |
4429 | * It is possible that we have multiple paths for a prefix from | |
4430 | * a peer | |
4431 | * if that peer is using AddPath. | |
4432 | */ | |
4433 | ain = rn->adj_in; | |
4434 | while (ain) { | |
4435 | ain_next = ain->next; | |
4436 | ||
4437 | if (ain->peer == peer) { | |
4438 | bgp_adj_in_remove(rn, ain); | |
4439 | bgp_unlock_node(rn); | |
4440 | } | |
4441 | ||
4442 | ain = ain_next; | |
4443 | } | |
4444 | ||
6f94b685 | 4445 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = next) { |
40381db7 DS |
4446 | next = pi->next; |
4447 | if (pi->peer != peer) | |
d62a17ae | 4448 | continue; |
4449 | ||
4450 | if (force) | |
40381db7 | 4451 | bgp_path_info_reap(rn, pi); |
d62a17ae | 4452 | else { |
4453 | struct bgp_clear_node_queue *cnq; | |
4454 | ||
4455 | /* both unlocked in bgp_clear_node_queue_del */ | |
4456 | bgp_table_lock(bgp_node_table(rn)); | |
4457 | bgp_lock_node(rn); | |
4458 | cnq = XCALLOC( | |
4459 | MTYPE_BGP_CLEAR_NODE_QUEUE, | |
4460 | sizeof(struct bgp_clear_node_queue)); | |
4461 | cnq->rn = rn; | |
4462 | work_queue_add(peer->clear_node_queue, cnq); | |
4463 | break; | |
4464 | } | |
4465 | } | |
4466 | } | |
4467 | return; | |
4468 | } | |
4469 | ||
4470 | void bgp_clear_route(struct peer *peer, afi_t afi, safi_t safi) | |
4471 | { | |
4472 | struct bgp_node *rn; | |
4473 | struct bgp_table *table; | |
4474 | ||
4475 | if (peer->clear_node_queue == NULL) | |
4476 | bgp_clear_node_queue_init(peer); | |
4477 | ||
4478 | /* bgp_fsm.c keeps sessions in state Clearing, not transitioning to | |
4479 | * Idle until it receives a Clearing_Completed event. This protects | |
4480 | * against peers which flap faster than we can we clear, which could | |
4481 | * lead to: | |
4482 | * | |
4483 | * a) race with routes from the new session being installed before | |
4484 | * clear_route_node visits the node (to delete the route of that | |
4485 | * peer) | |
4486 | * b) resource exhaustion, clear_route_node likely leads to an entry | |
4487 | * on the process_main queue. Fast-flapping could cause that queue | |
4488 | * to grow and grow. | |
4489 | */ | |
4490 | ||
4491 | /* lock peer in assumption that clear-node-queue will get nodes; if so, | |
4492 | * the unlock will happen upon work-queue completion; other wise, the | |
4493 | * unlock happens at the end of this function. | |
4494 | */ | |
4495 | if (!peer->clear_node_queue->thread) | |
4496 | peer_lock(peer); | |
4497 | ||
4498 | if (safi != SAFI_MPLS_VPN && safi != SAFI_ENCAP && safi != SAFI_EVPN) | |
4499 | bgp_clear_route_table(peer, afi, safi, NULL); | |
4500 | else | |
4501 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
67009e22 DS |
4502 | rn = bgp_route_next(rn)) { |
4503 | table = bgp_node_get_bgp_table_info(rn); | |
4504 | if (!table) | |
4505 | continue; | |
4506 | ||
4507 | bgp_clear_route_table(peer, afi, safi, table); | |
4508 | } | |
d62a17ae | 4509 | |
4510 | /* unlock if no nodes got added to the clear-node-queue. */ | |
4511 | if (!peer->clear_node_queue->thread) | |
4512 | peer_unlock(peer); | |
718e3744 | 4513 | } |
d62a17ae | 4514 | |
4515 | void bgp_clear_route_all(struct peer *peer) | |
718e3744 | 4516 | { |
d62a17ae | 4517 | afi_t afi; |
4518 | safi_t safi; | |
718e3744 | 4519 | |
05c7a1cc QY |
4520 | FOREACH_AFI_SAFI (afi, safi) |
4521 | bgp_clear_route(peer, afi, safi); | |
65efcfce LB |
4522 | |
4523 | #if ENABLE_BGP_VNC | |
d62a17ae | 4524 | rfapiProcessPeerDown(peer); |
65efcfce | 4525 | #endif |
718e3744 | 4526 | } |
4527 | ||
d62a17ae | 4528 | void bgp_clear_adj_in(struct peer *peer, afi_t afi, safi_t safi) |
718e3744 | 4529 | { |
d62a17ae | 4530 | struct bgp_table *table; |
4531 | struct bgp_node *rn; | |
4532 | struct bgp_adj_in *ain; | |
4533 | struct bgp_adj_in *ain_next; | |
718e3744 | 4534 | |
d62a17ae | 4535 | table = peer->bgp->rib[afi][safi]; |
718e3744 | 4536 | |
d62a17ae | 4537 | /* It is possible that we have multiple paths for a prefix from a peer |
4538 | * if that peer is using AddPath. | |
4539 | */ | |
4540 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
4541 | ain = rn->adj_in; | |
43143c8f | 4542 | |
d62a17ae | 4543 | while (ain) { |
4544 | ain_next = ain->next; | |
43143c8f | 4545 | |
d62a17ae | 4546 | if (ain->peer == peer) { |
4547 | bgp_adj_in_remove(rn, ain); | |
4548 | bgp_unlock_node(rn); | |
4549 | } | |
43143c8f | 4550 | |
d62a17ae | 4551 | ain = ain_next; |
4552 | } | |
4553 | } | |
718e3744 | 4554 | } |
93406d87 | 4555 | |
d62a17ae | 4556 | void bgp_clear_stale_route(struct peer *peer, afi_t afi, safi_t safi) |
4557 | { | |
4558 | struct bgp_node *rn; | |
40381db7 | 4559 | struct bgp_path_info *pi; |
d62a17ae | 4560 | struct bgp_table *table; |
4561 | ||
4562 | if (safi == SAFI_MPLS_VPN) { | |
4563 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
4564 | rn = bgp_route_next(rn)) { | |
4565 | struct bgp_node *rm; | |
d62a17ae | 4566 | |
4567 | /* look for neighbor in tables */ | |
67009e22 DS |
4568 | table = bgp_node_get_bgp_table_info(rn); |
4569 | if (!table) | |
ea47320b DL |
4570 | continue; |
4571 | ||
4572 | for (rm = bgp_table_top(table); rm; | |
4573 | rm = bgp_route_next(rm)) | |
6f94b685 DS |
4574 | for (pi = bgp_node_get_bgp_path_info(rm); pi; |
4575 | pi = pi->next) { | |
40381db7 | 4576 | if (pi->peer != peer) |
ea47320b | 4577 | continue; |
40381db7 | 4578 | if (!CHECK_FLAG(pi->flags, |
1defdda8 | 4579 | BGP_PATH_STALE)) |
ea47320b DL |
4580 | break; |
4581 | ||
40381db7 | 4582 | bgp_rib_remove(rm, pi, peer, afi, safi); |
ea47320b DL |
4583 | break; |
4584 | } | |
d62a17ae | 4585 | } |
4586 | } else { | |
4587 | for (rn = bgp_table_top(peer->bgp->rib[afi][safi]); rn; | |
4588 | rn = bgp_route_next(rn)) | |
6f94b685 DS |
4589 | for (pi = bgp_node_get_bgp_path_info(rn); pi; |
4590 | pi = pi->next) { | |
40381db7 | 4591 | if (pi->peer != peer) |
ea47320b | 4592 | continue; |
40381db7 | 4593 | if (!CHECK_FLAG(pi->flags, BGP_PATH_STALE)) |
d62a17ae | 4594 | break; |
40381db7 | 4595 | bgp_rib_remove(rn, pi, peer, afi, safi); |
ea47320b DL |
4596 | break; |
4597 | } | |
d62a17ae | 4598 | } |
93406d87 | 4599 | } |
6b0655a2 | 4600 | |
9dac9fc8 DA |
4601 | int bgp_outbound_policy_exists(struct peer *peer, struct bgp_filter *filter) |
4602 | { | |
e0df4c04 DA |
4603 | if (peer->sort == BGP_PEER_IBGP) |
4604 | return 1; | |
4605 | ||
9dac9fc8 DA |
4606 | if (peer->sort == BGP_PEER_EBGP |
4607 | && (ROUTE_MAP_OUT_NAME(filter) || PREFIX_LIST_OUT_NAME(filter) | |
4608 | || FILTER_LIST_OUT_NAME(filter) | |
4609 | || DISTRIBUTE_OUT_NAME(filter))) | |
4610 | return 1; | |
4611 | return 0; | |
4612 | } | |
4613 | ||
4614 | int bgp_inbound_policy_exists(struct peer *peer, struct bgp_filter *filter) | |
4615 | { | |
e0df4c04 DA |
4616 | if (peer->sort == BGP_PEER_IBGP) |
4617 | return 1; | |
4618 | ||
9dac9fc8 DA |
4619 | if (peer->sort == BGP_PEER_EBGP |
4620 | && (ROUTE_MAP_IN_NAME(filter) || PREFIX_LIST_IN_NAME(filter) | |
4621 | || FILTER_LIST_IN_NAME(filter) | |
4622 | || DISTRIBUTE_IN_NAME(filter))) | |
4623 | return 1; | |
4624 | return 0; | |
4625 | } | |
4626 | ||
568e10ca | 4627 | static void bgp_cleanup_table(struct bgp *bgp, struct bgp_table *table, |
4628 | safi_t safi) | |
bb86c601 | 4629 | { |
d62a17ae | 4630 | struct bgp_node *rn; |
40381db7 | 4631 | struct bgp_path_info *pi; |
4b7e6066 | 4632 | struct bgp_path_info *next; |
bb86c601 | 4633 | |
d62a17ae | 4634 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) |
6f94b685 | 4635 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = next) { |
40381db7 | 4636 | next = pi->next; |
1b7bb747 CS |
4637 | |
4638 | /* Unimport EVPN routes from VRFs */ | |
4639 | if (safi == SAFI_EVPN) | |
4640 | bgp_evpn_unimport_route(bgp, AFI_L2VPN, | |
4641 | SAFI_EVPN, | |
4642 | &rn->p, pi); | |
4643 | ||
40381db7 DS |
4644 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED) |
4645 | && pi->type == ZEBRA_ROUTE_BGP | |
4646 | && (pi->sub_type == BGP_ROUTE_NORMAL | |
4647 | || pi->sub_type == BGP_ROUTE_AGGREGATE | |
4648 | || pi->sub_type == BGP_ROUTE_IMPORTED)) { | |
ddb5b488 | 4649 | |
d62a17ae | 4650 | if (bgp_fibupd_safi(safi)) |
40381db7 DS |
4651 | bgp_zebra_withdraw(&rn->p, pi, bgp, |
4652 | safi); | |
4653 | bgp_path_info_reap(rn, pi); | |
d62a17ae | 4654 | } |
4655 | } | |
bb86c601 LB |
4656 | } |
4657 | ||
718e3744 | 4658 | /* Delete all kernel routes. */ |
d62a17ae | 4659 | void bgp_cleanup_routes(struct bgp *bgp) |
4660 | { | |
4661 | afi_t afi; | |
4662 | struct bgp_node *rn; | |
67009e22 | 4663 | struct bgp_table *table; |
d62a17ae | 4664 | |
4665 | for (afi = AFI_IP; afi < AFI_MAX; ++afi) { | |
4666 | if (afi == AFI_L2VPN) | |
4667 | continue; | |
568e10ca | 4668 | bgp_cleanup_table(bgp, bgp->rib[afi][SAFI_UNICAST], |
4669 | SAFI_UNICAST); | |
d62a17ae | 4670 | /* |
4671 | * VPN and ENCAP and EVPN tables are two-level (RD is top level) | |
4672 | */ | |
4673 | if (afi != AFI_L2VPN) { | |
4674 | safi_t safi; | |
4675 | safi = SAFI_MPLS_VPN; | |
4676 | for (rn = bgp_table_top(bgp->rib[afi][safi]); rn; | |
4677 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4678 | table = bgp_node_get_bgp_table_info(rn); |
4679 | if (table != NULL) { | |
4680 | bgp_cleanup_table(bgp, table, safi); | |
4681 | bgp_table_finish(&table); | |
4682 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4683 | bgp_unlock_node(rn); |
4684 | } | |
4685 | } | |
4686 | safi = SAFI_ENCAP; | |
4687 | for (rn = bgp_table_top(bgp->rib[afi][safi]); rn; | |
4688 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4689 | table = bgp_node_get_bgp_table_info(rn); |
4690 | if (table != NULL) { | |
4691 | bgp_cleanup_table(bgp, table, safi); | |
4692 | bgp_table_finish(&table); | |
4693 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4694 | bgp_unlock_node(rn); |
4695 | } | |
4696 | } | |
4697 | } | |
4698 | } | |
4699 | for (rn = bgp_table_top(bgp->rib[AFI_L2VPN][SAFI_EVPN]); rn; | |
4700 | rn = bgp_route_next(rn)) { | |
67009e22 DS |
4701 | table = bgp_node_get_bgp_table_info(rn); |
4702 | if (table != NULL) { | |
4703 | bgp_cleanup_table(bgp, table, SAFI_EVPN); | |
4704 | bgp_table_finish(&table); | |
4705 | bgp_node_set_bgp_table_info(rn, NULL); | |
d62a17ae | 4706 | bgp_unlock_node(rn); |
4707 | } | |
bb86c601 | 4708 | } |
718e3744 | 4709 | } |
4710 | ||
d62a17ae | 4711 | void bgp_reset(void) |
718e3744 | 4712 | { |
d62a17ae | 4713 | vty_reset(); |
4714 | bgp_zclient_reset(); | |
4715 | access_list_reset(); | |
4716 | prefix_list_reset(); | |
718e3744 | 4717 | } |
6b0655a2 | 4718 | |
d62a17ae | 4719 | static int bgp_addpath_encode_rx(struct peer *peer, afi_t afi, safi_t safi) |
adbac85e | 4720 | { |
d62a17ae | 4721 | return (CHECK_FLAG(peer->af_cap[afi][safi], PEER_CAP_ADDPATH_AF_RX_ADV) |
4722 | && CHECK_FLAG(peer->af_cap[afi][safi], | |
4723 | PEER_CAP_ADDPATH_AF_TX_RCV)); | |
adbac85e DW |
4724 | } |
4725 | ||
718e3744 | 4726 | /* Parse NLRI stream. Withdraw NLRI is recognized by NULL attr |
4727 | value. */ | |
d62a17ae | 4728 | int bgp_nlri_parse_ip(struct peer *peer, struct attr *attr, |
4729 | struct bgp_nlri *packet) | |
4730 | { | |
d7c0a89a QY |
4731 | uint8_t *pnt; |
4732 | uint8_t *lim; | |
d62a17ae | 4733 | struct prefix p; |
4734 | int psize; | |
4735 | int ret; | |
4736 | afi_t afi; | |
4737 | safi_t safi; | |
4738 | int addpath_encoded; | |
d7c0a89a | 4739 | uint32_t addpath_id; |
d62a17ae | 4740 | |
d62a17ae | 4741 | pnt = packet->nlri; |
4742 | lim = pnt + packet->length; | |
4743 | afi = packet->afi; | |
4744 | safi = packet->safi; | |
4745 | addpath_id = 0; | |
4746 | addpath_encoded = bgp_addpath_encode_rx(peer, afi, safi); | |
4747 | ||
4748 | /* RFC4771 6.3 The NLRI field in the UPDATE message is checked for | |
4749 | syntactic validity. If the field is syntactically incorrect, | |
4750 | then the Error Subcode is set to Invalid Network Field. */ | |
4751 | for (; pnt < lim; pnt += psize) { | |
4752 | /* Clear prefix structure. */ | |
4753 | memset(&p, 0, sizeof(struct prefix)); | |
4754 | ||
4755 | if (addpath_encoded) { | |
4756 | ||
4757 | /* When packet overflow occurs return immediately. */ | |
761ed665 | 4758 | if (pnt + BGP_ADDPATH_ID_LEN >= lim) |
513386b5 | 4759 | return BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW; |
d62a17ae | 4760 | |
a3a850a1 | 4761 | memcpy(&addpath_id, pnt, BGP_ADDPATH_ID_LEN); |
454d85cf | 4762 | addpath_id = ntohl(addpath_id); |
d62a17ae | 4763 | pnt += BGP_ADDPATH_ID_LEN; |
4764 | } | |
718e3744 | 4765 | |
d62a17ae | 4766 | /* Fetch prefix length. */ |
4767 | p.prefixlen = *pnt++; | |
4768 | /* afi/safi validity already verified by caller, | |
4769 | * bgp_update_receive */ | |
4770 | p.family = afi2family(afi); | |
4771 | ||
4772 | /* Prefix length check. */ | |
4773 | if (p.prefixlen > prefix_blen(&p) * 8) { | |
af4c2728 | 4774 | flog_err( |
e50f7cfd | 4775 | EC_BGP_UPDATE_RCV, |
14454c9f | 4776 | "%s [Error] Update packet error (wrong prefix length %d for afi %u)", |
d62a17ae | 4777 | peer->host, p.prefixlen, packet->afi); |
513386b5 | 4778 | return BGP_NLRI_PARSE_ERROR_PREFIX_LENGTH; |
d62a17ae | 4779 | } |
6b0655a2 | 4780 | |
d62a17ae | 4781 | /* Packet size overflow check. */ |
4782 | psize = PSIZE(p.prefixlen); | |
4783 | ||
4784 | /* When packet overflow occur return immediately. */ | |
4785 | if (pnt + psize > lim) { | |
af4c2728 | 4786 | flog_err( |
e50f7cfd | 4787 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4788 | "%s [Error] Update packet error (prefix length %d overflows packet)", |
4789 | peer->host, p.prefixlen); | |
513386b5 | 4790 | return BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW; |
d62a17ae | 4791 | } |
4792 | ||
4793 | /* Defensive coding, double-check the psize fits in a struct | |
4794 | * prefix */ | |
4795 | if (psize > (ssize_t)sizeof(p.u)) { | |
af4c2728 | 4796 | flog_err( |
e50f7cfd | 4797 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4798 | "%s [Error] Update packet error (prefix length %d too large for prefix storage %zu)", |
4799 | peer->host, p.prefixlen, sizeof(p.u)); | |
513386b5 | 4800 | return BGP_NLRI_PARSE_ERROR_PACKET_LENGTH; |
d62a17ae | 4801 | } |
4802 | ||
4803 | /* Fetch prefix from NLRI packet. */ | |
a85297a7 | 4804 | memcpy(p.u.val, pnt, psize); |
d62a17ae | 4805 | |
4806 | /* Check address. */ | |
4807 | if (afi == AFI_IP && safi == SAFI_UNICAST) { | |
4808 | if (IN_CLASSD(ntohl(p.u.prefix4.s_addr))) { | |
4809 | /* From RFC4271 Section 6.3: | |
4810 | * | |
4811 | * If a prefix in the NLRI field is semantically | |
4812 | * incorrect | |
4813 | * (e.g., an unexpected multicast IP address), | |
4814 | * an error SHOULD | |
4815 | * be logged locally, and the prefix SHOULD be | |
4816 | * ignored. | |
a4d82a8a | 4817 | */ |
af4c2728 | 4818 | flog_err( |
e50f7cfd | 4819 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4820 | "%s: IPv4 unicast NLRI is multicast address %s, ignoring", |
4821 | peer->host, inet_ntoa(p.u.prefix4)); | |
4822 | continue; | |
4823 | } | |
4824 | } | |
4825 | ||
4826 | /* Check address. */ | |
4827 | if (afi == AFI_IP6 && safi == SAFI_UNICAST) { | |
4828 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) { | |
4829 | char buf[BUFSIZ]; | |
4830 | ||
af4c2728 | 4831 | flog_err( |
e50f7cfd | 4832 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4833 | "%s: IPv6 unicast NLRI is link-local address %s, ignoring", |
4834 | peer->host, | |
4835 | inet_ntop(AF_INET6, &p.u.prefix6, buf, | |
4836 | BUFSIZ)); | |
4837 | ||
4838 | continue; | |
4839 | } | |
4840 | if (IN6_IS_ADDR_MULTICAST(&p.u.prefix6)) { | |
4841 | char buf[BUFSIZ]; | |
4842 | ||
af4c2728 | 4843 | flog_err( |
e50f7cfd | 4844 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4845 | "%s: IPv6 unicast NLRI is multicast address %s, ignoring", |
4846 | peer->host, | |
4847 | inet_ntop(AF_INET6, &p.u.prefix6, buf, | |
4848 | BUFSIZ)); | |
4849 | ||
4850 | continue; | |
4851 | } | |
4852 | } | |
4853 | ||
4854 | /* Normal process. */ | |
4855 | if (attr) | |
4856 | ret = bgp_update(peer, &p, addpath_id, attr, afi, safi, | |
4857 | ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, | |
b57ba6d2 | 4858 | NULL, NULL, 0, 0, NULL); |
d62a17ae | 4859 | else |
4860 | ret = bgp_withdraw(peer, &p, addpath_id, attr, afi, | |
4861 | safi, ZEBRA_ROUTE_BGP, | |
a4d82a8a PZ |
4862 | BGP_ROUTE_NORMAL, NULL, NULL, 0, |
4863 | NULL); | |
d62a17ae | 4864 | |
513386b5 DA |
4865 | /* Do not send BGP notification twice when maximum-prefix count |
4866 | * overflow. */ | |
4867 | if (CHECK_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW)) | |
4868 | return BGP_NLRI_PARSE_ERROR_PREFIX_OVERFLOW; | |
4869 | ||
4870 | /* Address family configuration mismatch. */ | |
d62a17ae | 4871 | if (ret < 0) |
513386b5 | 4872 | return BGP_NLRI_PARSE_ERROR_ADDRESS_FAMILY; |
d62a17ae | 4873 | } |
4874 | ||
4875 | /* Packet length consistency check. */ | |
4876 | if (pnt != lim) { | |
af4c2728 | 4877 | flog_err( |
e50f7cfd | 4878 | EC_BGP_UPDATE_RCV, |
d62a17ae | 4879 | "%s [Error] Update packet error (prefix length mismatch with total length)", |
4880 | peer->host); | |
513386b5 | 4881 | return BGP_NLRI_PARSE_ERROR_PACKET_LENGTH; |
d62a17ae | 4882 | } |
6b0655a2 | 4883 | |
513386b5 | 4884 | return BGP_NLRI_PARSE_OK; |
718e3744 | 4885 | } |
4886 | ||
d62a17ae | 4887 | static struct bgp_static *bgp_static_new(void) |
718e3744 | 4888 | { |
d62a17ae | 4889 | return XCALLOC(MTYPE_BGP_STATIC, sizeof(struct bgp_static)); |
718e3744 | 4890 | } |
4891 | ||
d62a17ae | 4892 | static void bgp_static_free(struct bgp_static *bgp_static) |
fee0f4c6 | 4893 | { |
0a22ddfb | 4894 | XFREE(MTYPE_ROUTE_MAP_NAME, bgp_static->rmap.name); |
b4897fa5 | 4895 | route_map_counter_decrement(bgp_static->rmap.map); |
4896 | ||
0a22ddfb | 4897 | XFREE(MTYPE_ATTR, bgp_static->eth_s_id); |
d62a17ae | 4898 | XFREE(MTYPE_BGP_STATIC, bgp_static); |
4899 | } | |
4900 | ||
4901 | void bgp_static_update(struct bgp *bgp, struct prefix *p, | |
4902 | struct bgp_static *bgp_static, afi_t afi, safi_t safi) | |
4903 | { | |
4904 | struct bgp_node *rn; | |
40381db7 | 4905 | struct bgp_path_info *pi; |
4b7e6066 | 4906 | struct bgp_path_info *new; |
40381db7 | 4907 | struct bgp_path_info rmap_path; |
d62a17ae | 4908 | struct attr attr; |
4909 | struct attr *attr_new; | |
b68885f9 | 4910 | route_map_result_t ret; |
65efcfce | 4911 | #if ENABLE_BGP_VNC |
d62a17ae | 4912 | int vnc_implicit_withdraw = 0; |
65efcfce | 4913 | #endif |
fee0f4c6 | 4914 | |
d62a17ae | 4915 | assert(bgp_static); |
4916 | if (!bgp_static) | |
4917 | return; | |
dd8103a9 | 4918 | |
d62a17ae | 4919 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, NULL); |
718e3744 | 4920 | |
d62a17ae | 4921 | bgp_attr_default_set(&attr, BGP_ORIGIN_IGP); |
718e3744 | 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); | |
41367172 | 4926 | |
d62a17ae | 4927 | if (bgp_static->atomic) |
4928 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE); | |
6cf48acc | 4929 | |
d62a17ae | 4930 | /* Store label index, if required. */ |
4931 | if (bgp_static->label_index != BGP_INVALID_LABEL_INDEX) { | |
4932 | attr.label_index = bgp_static->label_index; | |
4933 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_PREFIX_SID); | |
4934 | } | |
718e3744 | 4935 | |
d62a17ae | 4936 | /* Apply route-map. */ |
4937 | if (bgp_static->rmap.name) { | |
4938 | struct attr attr_tmp = attr; | |
80ced710 | 4939 | |
40381db7 DS |
4940 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
4941 | rmap_path.peer = bgp->peer_self; | |
4942 | rmap_path.attr = &attr_tmp; | |
fee0f4c6 | 4943 | |
d62a17ae | 4944 | SET_FLAG(bgp->peer_self->rmap_type, PEER_RMAP_TYPE_NETWORK); |
286e1e71 | 4945 | |
40381db7 DS |
4946 | ret = route_map_apply(bgp_static->rmap.map, p, RMAP_BGP, |
4947 | &rmap_path); | |
fee0f4c6 | 4948 | |
d62a17ae | 4949 | bgp->peer_self->rmap_type = 0; |
718e3744 | 4950 | |
d62a17ae | 4951 | if (ret == RMAP_DENYMATCH) { |
4952 | /* Free uninterned attribute. */ | |
4953 | bgp_attr_flush(&attr_tmp); | |
718e3744 | 4954 | |
d62a17ae | 4955 | /* Unintern original. */ |
4956 | aspath_unintern(&attr.aspath); | |
4957 | bgp_static_withdraw(bgp, p, afi, safi); | |
4958 | return; | |
4959 | } | |
7f323236 DW |
4960 | |
4961 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) | |
4962 | bgp_attr_add_gshut_community(&attr_tmp); | |
4963 | ||
d62a17ae | 4964 | attr_new = bgp_attr_intern(&attr_tmp); |
7f323236 DW |
4965 | } else { |
4966 | ||
4967 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) | |
4968 | bgp_attr_add_gshut_community(&attr); | |
4969 | ||
d62a17ae | 4970 | attr_new = bgp_attr_intern(&attr); |
7f323236 | 4971 | } |
718e3744 | 4972 | |
6f94b685 | 4973 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
4974 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
4975 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 4976 | break; |
4977 | ||
40381db7 DS |
4978 | if (pi) { |
4979 | if (attrhash_cmp(pi->attr, attr_new) | |
4980 | && !CHECK_FLAG(pi->flags, BGP_PATH_REMOVED) | |
d62a17ae | 4981 | && !bgp_flag_check(bgp, BGP_FLAG_FORCE_STATIC_PROCESS)) { |
4982 | bgp_unlock_node(rn); | |
4983 | bgp_attr_unintern(&attr_new); | |
4984 | aspath_unintern(&attr.aspath); | |
4985 | return; | |
4986 | } else { | |
4987 | /* The attribute is changed. */ | |
40381db7 | 4988 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 4989 | |
4990 | /* Rewrite BGP route information. */ | |
40381db7 DS |
4991 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) |
4992 | bgp_path_info_restore(rn, pi); | |
d62a17ae | 4993 | else |
40381db7 | 4994 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
65efcfce | 4995 | #if ENABLE_BGP_VNC |
d62a17ae | 4996 | if ((afi == AFI_IP || afi == AFI_IP6) |
4997 | && (safi == SAFI_UNICAST)) { | |
40381db7 | 4998 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 4999 | /* |
5000 | * Implicit withdraw case. | |
40381db7 | 5001 | * We have to do this before pi is |
d62a17ae | 5002 | * changed |
5003 | */ | |
5004 | ++vnc_implicit_withdraw; | |
40381db7 | 5005 | vnc_import_bgp_del_route(bgp, p, pi); |
d62a17ae | 5006 | vnc_import_bgp_exterior_del_route( |
40381db7 | 5007 | bgp, p, pi); |
d62a17ae | 5008 | } |
5009 | } | |
65efcfce | 5010 | #endif |
40381db7 DS |
5011 | bgp_attr_unintern(&pi->attr); |
5012 | pi->attr = attr_new; | |
5013 | pi->uptime = bgp_clock(); | |
65efcfce | 5014 | #if ENABLE_BGP_VNC |
d62a17ae | 5015 | if ((afi == AFI_IP || afi == AFI_IP6) |
5016 | && (safi == SAFI_UNICAST)) { | |
5017 | if (vnc_implicit_withdraw) { | |
40381db7 | 5018 | vnc_import_bgp_add_route(bgp, p, pi); |
d62a17ae | 5019 | vnc_import_bgp_exterior_add_route( |
40381db7 | 5020 | bgp, p, pi); |
d62a17ae | 5021 | } |
5022 | } | |
65efcfce | 5023 | #endif |
718e3744 | 5024 | |
d62a17ae | 5025 | /* Nexthop reachability check. */ |
5026 | if (bgp_flag_check(bgp, BGP_FLAG_IMPORT_CHECK) | |
5027 | && (safi == SAFI_UNICAST | |
5028 | || safi == SAFI_LABELED_UNICAST)) { | |
960035b2 PZ |
5029 | |
5030 | struct bgp *bgp_nexthop = bgp; | |
5031 | ||
40381db7 DS |
5032 | if (pi->extra && pi->extra->bgp_orig) |
5033 | bgp_nexthop = pi->extra->bgp_orig; | |
960035b2 PZ |
5034 | |
5035 | if (bgp_find_or_add_nexthop(bgp, bgp_nexthop, | |
40381db7 DS |
5036 | afi, pi, NULL, 0)) |
5037 | bgp_path_info_set_flag(rn, pi, | |
18ee8310 | 5038 | BGP_PATH_VALID); |
d62a17ae | 5039 | else { |
5040 | if (BGP_DEBUG(nht, NHT)) { | |
5041 | char buf1[INET6_ADDRSTRLEN]; | |
5042 | inet_ntop(p->family, | |
5043 | &p->u.prefix, buf1, | |
5044 | INET6_ADDRSTRLEN); | |
5045 | zlog_debug( | |
5046 | "%s(%s): Route not in table, not advertising", | |
5047 | __FUNCTION__, buf1); | |
5048 | } | |
18ee8310 | 5049 | bgp_path_info_unset_flag( |
40381db7 | 5050 | rn, pi, BGP_PATH_VALID); |
d62a17ae | 5051 | } |
5052 | } else { | |
5053 | /* Delete the NHT structure if any, if we're | |
5054 | * toggling between | |
5055 | * enabling/disabling import check. We | |
5056 | * deregister the route | |
5057 | * from NHT to avoid overloading NHT and the | |
5058 | * process interaction | |
5059 | */ | |
40381db7 DS |
5060 | bgp_unlink_nexthop(pi); |
5061 | bgp_path_info_set_flag(rn, pi, BGP_PATH_VALID); | |
d62a17ae | 5062 | } |
5063 | /* Process change. */ | |
40381db7 | 5064 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 5065 | bgp_process(bgp, rn, afi, safi); |
ddb5b488 PZ |
5066 | |
5067 | if (SAFI_UNICAST == safi | |
5068 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
5069 | || bgp->inst_type | |
5070 | == BGP_INSTANCE_TYPE_DEFAULT)) { | |
5071 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, | |
40381db7 | 5072 | pi); |
ddb5b488 PZ |
5073 | } |
5074 | ||
d62a17ae | 5075 | bgp_unlock_node(rn); |
5076 | aspath_unintern(&attr.aspath); | |
5077 | return; | |
5078 | } | |
718e3744 | 5079 | } |
718e3744 | 5080 | |
d62a17ae | 5081 | /* Make new BGP info. */ |
5082 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_STATIC, 0, bgp->peer_self, | |
5083 | attr_new, rn); | |
5084 | /* Nexthop reachability check. */ | |
5085 | if (bgp_flag_check(bgp, BGP_FLAG_IMPORT_CHECK) | |
5086 | && (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST)) { | |
960035b2 | 5087 | if (bgp_find_or_add_nexthop(bgp, bgp, afi, new, NULL, 0)) |
18ee8310 | 5088 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 5089 | else { |
5090 | if (BGP_DEBUG(nht, NHT)) { | |
5091 | char buf1[INET6_ADDRSTRLEN]; | |
5092 | inet_ntop(p->family, &p->u.prefix, buf1, | |
5093 | INET6_ADDRSTRLEN); | |
5094 | zlog_debug( | |
5095 | "%s(%s): Route not in table, not advertising", | |
5096 | __FUNCTION__, buf1); | |
5097 | } | |
18ee8310 | 5098 | bgp_path_info_unset_flag(rn, new, BGP_PATH_VALID); |
d62a17ae | 5099 | } |
5100 | } else { | |
5101 | /* Delete the NHT structure if any, if we're toggling between | |
5102 | * enabling/disabling import check. We deregister the route | |
5103 | * from NHT to avoid overloading NHT and the process interaction | |
5104 | */ | |
5105 | bgp_unlink_nexthop(new); | |
5106 | ||
18ee8310 | 5107 | bgp_path_info_set_flag(rn, new, BGP_PATH_VALID); |
fc9a856f | 5108 | } |
078430f6 | 5109 | |
d62a17ae | 5110 | /* Aggregate address increment. */ |
5111 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
718e3744 | 5112 | |
d62a17ae | 5113 | /* Register new BGP information. */ |
18ee8310 | 5114 | bgp_path_info_add(rn, new); |
718e3744 | 5115 | |
d62a17ae | 5116 | /* route_node_get lock */ |
5117 | bgp_unlock_node(rn); | |
5118 | ||
5119 | /* Process change. */ | |
5120 | bgp_process(bgp, rn, afi, safi); | |
5121 | ||
ddb5b488 PZ |
5122 | if (SAFI_UNICAST == safi |
5123 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
5124 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
5125 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
5126 | } | |
5127 | ||
d62a17ae | 5128 | /* Unintern original. */ |
5129 | aspath_unintern(&attr.aspath); | |
718e3744 | 5130 | } |
5131 | ||
d62a17ae | 5132 | void bgp_static_withdraw(struct bgp *bgp, struct prefix *p, afi_t afi, |
5133 | safi_t safi) | |
718e3744 | 5134 | { |
d62a17ae | 5135 | struct bgp_node *rn; |
40381db7 | 5136 | struct bgp_path_info *pi; |
718e3744 | 5137 | |
d62a17ae | 5138 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, NULL); |
718e3744 | 5139 | |
d62a17ae | 5140 | /* Check selected route and self inserted route. */ |
6f94b685 | 5141 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
5142 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
5143 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 5144 | break; |
5145 | ||
5146 | /* Withdraw static BGP route from routing table. */ | |
40381db7 | 5147 | if (pi) { |
ddb5b488 PZ |
5148 | if (SAFI_UNICAST == safi |
5149 | && (bgp->inst_type == BGP_INSTANCE_TYPE_VRF | |
5150 | || bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
40381db7 | 5151 | vpn_leak_from_vrf_withdraw(bgp_get_default(), bgp, pi); |
ddb5b488 | 5152 | } |
40381db7 DS |
5153 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
5154 | bgp_unlink_nexthop(pi); | |
5155 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 5156 | bgp_process(bgp, rn, afi, safi); |
5157 | } | |
718e3744 | 5158 | |
d62a17ae | 5159 | /* Unlock bgp_node_lookup. */ |
5160 | bgp_unlock_node(rn); | |
718e3744 | 5161 | } |
5162 | ||
137446f9 LB |
5163 | /* |
5164 | * Used for SAFI_MPLS_VPN and SAFI_ENCAP | |
5165 | */ | |
d62a17ae | 5166 | static void bgp_static_withdraw_safi(struct bgp *bgp, struct prefix *p, |
5167 | afi_t afi, safi_t safi, | |
5168 | struct prefix_rd *prd) | |
718e3744 | 5169 | { |
d62a17ae | 5170 | struct bgp_node *rn; |
40381db7 | 5171 | struct bgp_path_info *pi; |
718e3744 | 5172 | |
d62a17ae | 5173 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); |
718e3744 | 5174 | |
d62a17ae | 5175 | /* Check selected route and self inserted route. */ |
6f94b685 | 5176 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
5177 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
5178 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 5179 | break; |
718e3744 | 5180 | |
d62a17ae | 5181 | /* Withdraw static BGP route from routing table. */ |
40381db7 | 5182 | if (pi) { |
65efcfce | 5183 | #if ENABLE_BGP_VNC |
d62a17ae | 5184 | rfapiProcessWithdraw( |
40381db7 | 5185 | pi->peer, NULL, p, prd, pi->attr, afi, safi, pi->type, |
d62a17ae | 5186 | 1); /* Kill, since it is an administrative change */ |
65efcfce | 5187 | #endif |
ddb5b488 PZ |
5188 | if (SAFI_MPLS_VPN == safi |
5189 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
40381db7 | 5190 | vpn_leak_to_vrf_withdraw(bgp, pi); |
ddb5b488 | 5191 | } |
40381db7 DS |
5192 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
5193 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 5194 | bgp_process(bgp, rn, afi, safi); |
5195 | } | |
718e3744 | 5196 | |
d62a17ae | 5197 | /* Unlock bgp_node_lookup. */ |
5198 | bgp_unlock_node(rn); | |
718e3744 | 5199 | } |
5200 | ||
d62a17ae | 5201 | static void bgp_static_update_safi(struct bgp *bgp, struct prefix *p, |
5202 | struct bgp_static *bgp_static, afi_t afi, | |
5203 | safi_t safi) | |
137446f9 | 5204 | { |
d62a17ae | 5205 | struct bgp_node *rn; |
4b7e6066 | 5206 | struct bgp_path_info *new; |
d62a17ae | 5207 | struct attr *attr_new; |
5208 | struct attr attr = {0}; | |
40381db7 | 5209 | struct bgp_path_info *pi; |
65efcfce | 5210 | #if ENABLE_BGP_VNC |
d62a17ae | 5211 | mpls_label_t label = 0; |
65efcfce | 5212 | #endif |
d7c0a89a | 5213 | uint32_t num_labels = 0; |
d62a17ae | 5214 | union gw_addr add; |
137446f9 | 5215 | |
d62a17ae | 5216 | assert(bgp_static); |
137446f9 | 5217 | |
b57ba6d2 MK |
5218 | if (bgp_static->label != MPLS_INVALID_LABEL) |
5219 | num_labels = 1; | |
d62a17ae | 5220 | rn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, |
5221 | &bgp_static->prd); | |
137446f9 | 5222 | |
d62a17ae | 5223 | bgp_attr_default_set(&attr, BGP_ORIGIN_IGP); |
137446f9 | 5224 | |
d62a17ae | 5225 | attr.nexthop = bgp_static->igpnexthop; |
5226 | attr.med = bgp_static->igpmetric; | |
5227 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
137446f9 | 5228 | |
d62a17ae | 5229 | if ((safi == SAFI_EVPN) || (safi == SAFI_MPLS_VPN) |
5230 | || (safi == SAFI_ENCAP)) { | |
5231 | if (afi == AFI_IP) { | |
5232 | attr.mp_nexthop_global_in = bgp_static->igpnexthop; | |
5233 | attr.mp_nexthop_len = IPV4_MAX_BYTELEN; | |
5234 | } | |
5235 | } | |
5236 | if (afi == AFI_L2VPN) { | |
5237 | if (bgp_static->gatewayIp.family == AF_INET) | |
5238 | add.ipv4.s_addr = | |
5239 | bgp_static->gatewayIp.u.prefix4.s_addr; | |
5240 | else if (bgp_static->gatewayIp.family == AF_INET6) | |
5241 | memcpy(&(add.ipv6), &(bgp_static->gatewayIp.u.prefix6), | |
5242 | sizeof(struct in6_addr)); | |
5243 | overlay_index_update(&attr, bgp_static->eth_s_id, &add); | |
5244 | if (bgp_static->encap_tunneltype == BGP_ENCAP_TYPE_VXLAN) { | |
5245 | struct bgp_encap_type_vxlan bet; | |
5246 | memset(&bet, 0, sizeof(struct bgp_encap_type_vxlan)); | |
3714a385 | 5247 | bet.vnid = p->u.prefix_evpn.prefix_addr.eth_tag; |
d62a17ae | 5248 | bgp_encap_type_vxlan_to_tlv(&bet, &attr); |
5249 | } | |
5250 | if (bgp_static->router_mac) { | |
5251 | bgp_add_routermac_ecom(&attr, bgp_static->router_mac); | |
5252 | } | |
5253 | } | |
5254 | /* Apply route-map. */ | |
5255 | if (bgp_static->rmap.name) { | |
5256 | struct attr attr_tmp = attr; | |
40381db7 | 5257 | struct bgp_path_info rmap_path; |
b68885f9 | 5258 | route_map_result_t ret; |
137446f9 | 5259 | |
40381db7 DS |
5260 | rmap_path.peer = bgp->peer_self; |
5261 | rmap_path.attr = &attr_tmp; | |
137446f9 | 5262 | |
d62a17ae | 5263 | SET_FLAG(bgp->peer_self->rmap_type, PEER_RMAP_TYPE_NETWORK); |
137446f9 | 5264 | |
40381db7 DS |
5265 | ret = route_map_apply(bgp_static->rmap.map, p, RMAP_BGP, |
5266 | &rmap_path); | |
137446f9 | 5267 | |
d62a17ae | 5268 | bgp->peer_self->rmap_type = 0; |
137446f9 | 5269 | |
d62a17ae | 5270 | if (ret == RMAP_DENYMATCH) { |
5271 | /* Free uninterned attribute. */ | |
5272 | bgp_attr_flush(&attr_tmp); | |
137446f9 | 5273 | |
d62a17ae | 5274 | /* Unintern original. */ |
5275 | aspath_unintern(&attr.aspath); | |
5276 | bgp_static_withdraw_safi(bgp, p, afi, safi, | |
5277 | &bgp_static->prd); | |
5278 | return; | |
5279 | } | |
137446f9 | 5280 | |
d62a17ae | 5281 | attr_new = bgp_attr_intern(&attr_tmp); |
5282 | } else { | |
5283 | attr_new = bgp_attr_intern(&attr); | |
5284 | } | |
137446f9 | 5285 | |
6f94b685 | 5286 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
5287 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
5288 | && pi->sub_type == BGP_ROUTE_STATIC) | |
d62a17ae | 5289 | break; |
5290 | ||
40381db7 | 5291 | if (pi) { |
d62a17ae | 5292 | memset(&add, 0, sizeof(union gw_addr)); |
40381db7 DS |
5293 | if (attrhash_cmp(pi->attr, attr_new) |
5294 | && overlay_index_equal(afi, pi, bgp_static->eth_s_id, &add) | |
5295 | && !CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 5296 | bgp_unlock_node(rn); |
5297 | bgp_attr_unintern(&attr_new); | |
5298 | aspath_unintern(&attr.aspath); | |
5299 | return; | |
5300 | } else { | |
5301 | /* The attribute is changed. */ | |
40381db7 | 5302 | bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED); |
d62a17ae | 5303 | |
5304 | /* Rewrite BGP route information. */ | |
40381db7 DS |
5305 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) |
5306 | bgp_path_info_restore(rn, pi); | |
d62a17ae | 5307 | else |
40381db7 DS |
5308 | bgp_aggregate_decrement(bgp, p, pi, afi, safi); |
5309 | bgp_attr_unintern(&pi->attr); | |
5310 | pi->attr = attr_new; | |
5311 | pi->uptime = bgp_clock(); | |
65efcfce | 5312 | #if ENABLE_BGP_VNC |
40381db7 DS |
5313 | if (pi->extra) |
5314 | label = decode_label(&pi->extra->label[0]); | |
65efcfce | 5315 | #endif |
137446f9 | 5316 | |
d62a17ae | 5317 | /* Process change. */ |
40381db7 | 5318 | bgp_aggregate_increment(bgp, p, pi, afi, safi); |
d62a17ae | 5319 | bgp_process(bgp, rn, afi, safi); |
ddb5b488 PZ |
5320 | |
5321 | if (SAFI_MPLS_VPN == safi | |
5322 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
40381db7 | 5323 | vpn_leak_to_vrf_update(bgp, pi); |
ddb5b488 | 5324 | } |
65efcfce | 5325 | #if ENABLE_BGP_VNC |
40381db7 DS |
5326 | rfapiProcessUpdate(pi->peer, NULL, p, &bgp_static->prd, |
5327 | pi->attr, afi, safi, pi->type, | |
5328 | pi->sub_type, &label); | |
65efcfce | 5329 | #endif |
d62a17ae | 5330 | bgp_unlock_node(rn); |
5331 | aspath_unintern(&attr.aspath); | |
5332 | return; | |
5333 | } | |
5334 | } | |
137446f9 LB |
5335 | |
5336 | ||
d62a17ae | 5337 | /* Make new BGP info. */ |
5338 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_STATIC, 0, bgp->peer_self, | |
5339 | attr_new, rn); | |
1defdda8 | 5340 | SET_FLAG(new->flags, BGP_PATH_VALID); |
18ee8310 | 5341 | new->extra = bgp_path_info_extra_new(); |
b57ba6d2 MK |
5342 | if (num_labels) { |
5343 | new->extra->label[0] = bgp_static->label; | |
5344 | new->extra->num_labels = num_labels; | |
5345 | } | |
65efcfce | 5346 | #if ENABLE_BGP_VNC |
d62a17ae | 5347 | label = decode_label(&bgp_static->label); |
65efcfce | 5348 | #endif |
137446f9 | 5349 | |
d62a17ae | 5350 | /* Aggregate address increment. */ |
5351 | bgp_aggregate_increment(bgp, p, new, afi, safi); | |
137446f9 | 5352 | |
d62a17ae | 5353 | /* Register new BGP information. */ |
18ee8310 | 5354 | bgp_path_info_add(rn, new); |
d62a17ae | 5355 | /* route_node_get lock */ |
5356 | bgp_unlock_node(rn); | |
137446f9 | 5357 | |
d62a17ae | 5358 | /* Process change. */ |
5359 | bgp_process(bgp, rn, afi, safi); | |
137446f9 | 5360 | |
ddb5b488 PZ |
5361 | if (SAFI_MPLS_VPN == safi |
5362 | && bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) { | |
5363 | vpn_leak_to_vrf_update(bgp, new); | |
5364 | } | |
65efcfce | 5365 | #if ENABLE_BGP_VNC |
d62a17ae | 5366 | rfapiProcessUpdate(new->peer, NULL, p, &bgp_static->prd, new->attr, afi, |
5367 | safi, new->type, new->sub_type, &label); | |
65efcfce LB |
5368 | #endif |
5369 | ||
d62a17ae | 5370 | /* Unintern original. */ |
5371 | aspath_unintern(&attr.aspath); | |
137446f9 LB |
5372 | } |
5373 | ||
718e3744 | 5374 | /* Configure static BGP network. When user don't run zebra, static |
5375 | route should be installed as valid. */ | |
e2a86ad9 DS |
5376 | static int bgp_static_set(struct vty *vty, const char *negate, |
5377 | const char *ip_str, afi_t afi, safi_t safi, | |
d7c0a89a | 5378 | const char *rmap, int backdoor, uint32_t label_index) |
d62a17ae | 5379 | { |
5380 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5381 | int ret; | |
5382 | struct prefix p; | |
5383 | struct bgp_static *bgp_static; | |
5384 | struct bgp_node *rn; | |
d7c0a89a | 5385 | uint8_t need_update = 0; |
d62a17ae | 5386 | |
5387 | /* Convert IP prefix string to struct prefix. */ | |
5388 | ret = str2prefix(ip_str, &p); | |
5389 | if (!ret) { | |
5390 | vty_out(vty, "%% Malformed prefix\n"); | |
5391 | return CMD_WARNING_CONFIG_FAILED; | |
5392 | } | |
5393 | if (afi == AFI_IP6 && IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) { | |
5394 | vty_out(vty, "%% Malformed prefix (link-local address)\n"); | |
5395 | return CMD_WARNING_CONFIG_FAILED; | |
5396 | } | |
718e3744 | 5397 | |
d62a17ae | 5398 | apply_mask(&p); |
718e3744 | 5399 | |
e2a86ad9 | 5400 | if (negate) { |
718e3744 | 5401 | |
e2a86ad9 DS |
5402 | /* Set BGP static route configuration. */ |
5403 | rn = bgp_node_lookup(bgp->route[afi][safi], &p); | |
d62a17ae | 5404 | |
e2a86ad9 | 5405 | if (!rn) { |
a4d82a8a | 5406 | vty_out(vty, "%% Can't find static route specified\n"); |
d62a17ae | 5407 | return CMD_WARNING_CONFIG_FAILED; |
5408 | } | |
5409 | ||
5a8ba9fc | 5410 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 5411 | |
e2a86ad9 DS |
5412 | if ((label_index != BGP_INVALID_LABEL_INDEX) |
5413 | && (label_index != bgp_static->label_index)) { | |
5414 | vty_out(vty, | |
5415 | "%% label-index doesn't match static route\n"); | |
5416 | return CMD_WARNING_CONFIG_FAILED; | |
d62a17ae | 5417 | } |
d62a17ae | 5418 | |
e2a86ad9 DS |
5419 | if ((rmap && bgp_static->rmap.name) |
5420 | && strcmp(rmap, bgp_static->rmap.name)) { | |
5421 | vty_out(vty, | |
5422 | "%% route-map name doesn't match static route\n"); | |
5423 | return CMD_WARNING_CONFIG_FAILED; | |
d62a17ae | 5424 | } |
718e3744 | 5425 | |
e2a86ad9 DS |
5426 | /* Update BGP RIB. */ |
5427 | if (!bgp_static->backdoor) | |
5428 | bgp_static_withdraw(bgp, &p, afi, safi); | |
718e3744 | 5429 | |
e2a86ad9 DS |
5430 | /* Clear configuration. */ |
5431 | bgp_static_free(bgp_static); | |
5a8ba9fc | 5432 | bgp_node_set_bgp_static_info(rn, NULL); |
e2a86ad9 DS |
5433 | bgp_unlock_node(rn); |
5434 | bgp_unlock_node(rn); | |
5435 | } else { | |
718e3744 | 5436 | |
e2a86ad9 DS |
5437 | /* Set BGP static route configuration. */ |
5438 | rn = bgp_node_get(bgp->route[afi][safi], &p); | |
718e3744 | 5439 | |
5a8ba9fc | 5440 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 5441 | if (bgp_static) { |
e2a86ad9 | 5442 | /* Configuration change. */ |
e2a86ad9 DS |
5443 | /* Label index cannot be changed. */ |
5444 | if (bgp_static->label_index != label_index) { | |
5445 | vty_out(vty, "%% cannot change label-index\n"); | |
5446 | return CMD_WARNING_CONFIG_FAILED; | |
5447 | } | |
d62a17ae | 5448 | |
e2a86ad9 | 5449 | /* Check previous routes are installed into BGP. */ |
a4d82a8a PZ |
5450 | if (bgp_static->valid |
5451 | && bgp_static->backdoor != backdoor) | |
e2a86ad9 | 5452 | need_update = 1; |
718e3744 | 5453 | |
e2a86ad9 | 5454 | bgp_static->backdoor = backdoor; |
718e3744 | 5455 | |
e2a86ad9 | 5456 | if (rmap) { |
0a22ddfb QY |
5457 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5458 | bgp_static->rmap.name); | |
b4897fa5 | 5459 | route_map_counter_decrement( |
5460 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5461 | bgp_static->rmap.name = |
5462 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
5463 | bgp_static->rmap.map = | |
5464 | route_map_lookup_by_name(rmap); | |
b4897fa5 | 5465 | route_map_counter_increment( |
5466 | bgp_static->rmap.map); | |
e2a86ad9 | 5467 | } else { |
0a22ddfb QY |
5468 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5469 | bgp_static->rmap.name); | |
b4897fa5 | 5470 | route_map_counter_decrement( |
5471 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5472 | bgp_static->rmap.name = NULL; |
5473 | bgp_static->rmap.map = NULL; | |
5474 | bgp_static->valid = 0; | |
5475 | } | |
5476 | bgp_unlock_node(rn); | |
5477 | } else { | |
5478 | /* New configuration. */ | |
5479 | bgp_static = bgp_static_new(); | |
5480 | bgp_static->backdoor = backdoor; | |
5481 | bgp_static->valid = 0; | |
5482 | bgp_static->igpmetric = 0; | |
5483 | bgp_static->igpnexthop.s_addr = 0; | |
5484 | bgp_static->label_index = label_index; | |
718e3744 | 5485 | |
e2a86ad9 | 5486 | if (rmap) { |
0a22ddfb QY |
5487 | XFREE(MTYPE_ROUTE_MAP_NAME, |
5488 | bgp_static->rmap.name); | |
b4897fa5 | 5489 | route_map_counter_decrement( |
5490 | bgp_static->rmap.map); | |
e2a86ad9 DS |
5491 | bgp_static->rmap.name = |
5492 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
5493 | bgp_static->rmap.map = | |
5494 | route_map_lookup_by_name(rmap); | |
b4897fa5 | 5495 | route_map_counter_increment( |
5496 | bgp_static->rmap.map); | |
e2a86ad9 | 5497 | } |
5a8ba9fc | 5498 | bgp_node_set_bgp_static_info(rn, bgp_static); |
e2a86ad9 | 5499 | } |
d62a17ae | 5500 | |
e2a86ad9 DS |
5501 | bgp_static->valid = 1; |
5502 | if (need_update) | |
5503 | bgp_static_withdraw(bgp, &p, afi, safi); | |
d62a17ae | 5504 | |
e2a86ad9 DS |
5505 | if (!bgp_static->backdoor) |
5506 | bgp_static_update(bgp, &p, bgp_static, afi, safi); | |
5507 | } | |
d62a17ae | 5508 | |
5509 | return CMD_SUCCESS; | |
5510 | } | |
5511 | ||
5512 | void bgp_static_add(struct bgp *bgp) | |
5513 | { | |
5514 | afi_t afi; | |
5515 | safi_t safi; | |
5516 | struct bgp_node *rn; | |
5517 | struct bgp_node *rm; | |
5518 | struct bgp_table *table; | |
5519 | struct bgp_static *bgp_static; | |
5520 | ||
05c7a1cc QY |
5521 | FOREACH_AFI_SAFI (afi, safi) |
5522 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5523 | rn = bgp_route_next(rn)) { | |
67009e22 | 5524 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5525 | continue; |
ea47320b | 5526 | |
05c7a1cc QY |
5527 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5528 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5529 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5530 | |
5531 | for (rm = bgp_table_top(table); rm; | |
5532 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5533 | bgp_static = |
5a8ba9fc DS |
5534 | bgp_node_get_bgp_static_info( |
5535 | rm); | |
05c7a1cc QY |
5536 | bgp_static_update_safi(bgp, &rm->p, |
5537 | bgp_static, afi, | |
5538 | safi); | |
d62a17ae | 5539 | } |
05c7a1cc | 5540 | } else { |
5a8ba9fc DS |
5541 | bgp_static_update( |
5542 | bgp, &rn->p, | |
5543 | bgp_node_get_bgp_static_info(rn), afi, | |
5544 | safi); | |
ea47320b | 5545 | } |
05c7a1cc | 5546 | } |
6aeb9e78 DS |
5547 | } |
5548 | ||
718e3744 | 5549 | /* Called from bgp_delete(). Delete all static routes from the BGP |
5550 | instance. */ | |
d62a17ae | 5551 | void bgp_static_delete(struct bgp *bgp) |
5552 | { | |
5553 | afi_t afi; | |
5554 | safi_t safi; | |
5555 | struct bgp_node *rn; | |
5556 | struct bgp_node *rm; | |
5557 | struct bgp_table *table; | |
5558 | struct bgp_static *bgp_static; | |
5559 | ||
05c7a1cc QY |
5560 | FOREACH_AFI_SAFI (afi, safi) |
5561 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5562 | rn = bgp_route_next(rn)) { | |
67009e22 | 5563 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5564 | continue; |
ea47320b | 5565 | |
05c7a1cc QY |
5566 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5567 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5568 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5569 | |
5570 | for (rm = bgp_table_top(table); rm; | |
5571 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5572 | bgp_static = |
5a8ba9fc DS |
5573 | bgp_node_get_bgp_static_info( |
5574 | rm); | |
c7d14ba6 PG |
5575 | if (!bgp_static) |
5576 | continue; | |
5577 | ||
05c7a1cc QY |
5578 | bgp_static_withdraw_safi( |
5579 | bgp, &rm->p, AFI_IP, safi, | |
5580 | (struct prefix_rd *)&rn->p); | |
ea47320b | 5581 | bgp_static_free(bgp_static); |
5a8ba9fc | 5582 | bgp_node_set_bgp_static_info(rn, NULL); |
ea47320b | 5583 | bgp_unlock_node(rn); |
d62a17ae | 5584 | } |
05c7a1cc | 5585 | } else { |
5a8ba9fc | 5586 | bgp_static = bgp_node_get_bgp_static_info(rn); |
05c7a1cc QY |
5587 | bgp_static_withdraw(bgp, &rn->p, afi, safi); |
5588 | bgp_static_free(bgp_static); | |
5a8ba9fc | 5589 | bgp_node_set_bgp_static_info(rn, NULL); |
05c7a1cc | 5590 | bgp_unlock_node(rn); |
ea47320b | 5591 | } |
05c7a1cc | 5592 | } |
d62a17ae | 5593 | } |
5594 | ||
5595 | void bgp_static_redo_import_check(struct bgp *bgp) | |
5596 | { | |
5597 | afi_t afi; | |
5598 | safi_t safi; | |
5599 | struct bgp_node *rn; | |
5600 | struct bgp_node *rm; | |
5601 | struct bgp_table *table; | |
5602 | struct bgp_static *bgp_static; | |
5603 | ||
5604 | /* Use this flag to force reprocessing of the route */ | |
5605 | bgp_flag_set(bgp, BGP_FLAG_FORCE_STATIC_PROCESS); | |
05c7a1cc QY |
5606 | FOREACH_AFI_SAFI (afi, safi) { |
5607 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
5608 | rn = bgp_route_next(rn)) { | |
67009e22 | 5609 | if (!bgp_node_has_bgp_path_info_data(rn)) |
05c7a1cc | 5610 | continue; |
ea47320b | 5611 | |
05c7a1cc QY |
5612 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) |
5613 | || (safi == SAFI_EVPN)) { | |
67009e22 | 5614 | table = bgp_node_get_bgp_table_info(rn); |
05c7a1cc QY |
5615 | |
5616 | for (rm = bgp_table_top(table); rm; | |
5617 | rm = bgp_route_next(rm)) { | |
a78beeb5 | 5618 | bgp_static = |
5a8ba9fc DS |
5619 | bgp_node_get_bgp_static_info( |
5620 | rm); | |
05c7a1cc QY |
5621 | bgp_static_update_safi(bgp, &rm->p, |
5622 | bgp_static, afi, | |
5623 | safi); | |
d62a17ae | 5624 | } |
05c7a1cc | 5625 | } else { |
5a8ba9fc | 5626 | bgp_static = bgp_node_get_bgp_static_info(rn); |
05c7a1cc QY |
5627 | bgp_static_update(bgp, &rn->p, bgp_static, afi, |
5628 | safi); | |
ea47320b | 5629 | } |
05c7a1cc QY |
5630 | } |
5631 | } | |
d62a17ae | 5632 | bgp_flag_unset(bgp, BGP_FLAG_FORCE_STATIC_PROCESS); |
5633 | } | |
5634 | ||
5635 | static void bgp_purge_af_static_redist_routes(struct bgp *bgp, afi_t afi, | |
5636 | safi_t safi) | |
5637 | { | |
5638 | struct bgp_table *table; | |
5639 | struct bgp_node *rn; | |
40381db7 | 5640 | struct bgp_path_info *pi; |
d62a17ae | 5641 | |
dfb6fd1d NT |
5642 | /* Do not install the aggregate route if BGP is in the |
5643 | * process of termination. | |
5644 | */ | |
5645 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS) || | |
5646 | (bgp->peer_self == NULL)) | |
5647 | return; | |
5648 | ||
d62a17ae | 5649 | table = bgp->rib[afi][safi]; |
5650 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
6f94b685 | 5651 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 DS |
5652 | if (pi->peer == bgp->peer_self |
5653 | && ((pi->type == ZEBRA_ROUTE_BGP | |
5654 | && pi->sub_type == BGP_ROUTE_STATIC) | |
5655 | || (pi->type != ZEBRA_ROUTE_BGP | |
5656 | && pi->sub_type | |
d62a17ae | 5657 | == BGP_ROUTE_REDISTRIBUTE))) { |
40381db7 | 5658 | bgp_aggregate_decrement(bgp, &rn->p, pi, afi, |
d62a17ae | 5659 | safi); |
40381db7 DS |
5660 | bgp_unlink_nexthop(pi); |
5661 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 5662 | bgp_process(bgp, rn, afi, safi); |
5663 | } | |
5664 | } | |
5665 | } | |
ad4cbda1 | 5666 | } |
5667 | ||
5668 | /* | |
5669 | * Purge all networks and redistributed routes from routing table. | |
5670 | * Invoked upon the instance going down. | |
5671 | */ | |
d62a17ae | 5672 | void bgp_purge_static_redist_routes(struct bgp *bgp) |
ad4cbda1 | 5673 | { |
d62a17ae | 5674 | afi_t afi; |
5675 | safi_t safi; | |
ad4cbda1 | 5676 | |
05c7a1cc QY |
5677 | FOREACH_AFI_SAFI (afi, safi) |
5678 | bgp_purge_af_static_redist_routes(bgp, afi, safi); | |
ad4cbda1 | 5679 | } |
5680 | ||
137446f9 LB |
5681 | /* |
5682 | * gpz 110624 | |
5683 | * Currently this is used to set static routes for VPN and ENCAP. | |
5684 | * I think it can probably be factored with bgp_static_set. | |
5685 | */ | |
d62a17ae | 5686 | int bgp_static_set_safi(afi_t afi, safi_t safi, struct vty *vty, |
5687 | const char *ip_str, const char *rd_str, | |
5688 | const char *label_str, const char *rmap_str, | |
5689 | int evpn_type, const char *esi, const char *gwip, | |
5690 | const char *ethtag, const char *routermac) | |
5691 | { | |
5692 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5693 | int ret; | |
5694 | struct prefix p; | |
5695 | struct prefix_rd prd; | |
5696 | struct bgp_node *prn; | |
5697 | struct bgp_node *rn; | |
5698 | struct bgp_table *table; | |
5699 | struct bgp_static *bgp_static; | |
5700 | mpls_label_t label = MPLS_INVALID_LABEL; | |
5701 | struct prefix gw_ip; | |
5702 | ||
5703 | /* validate ip prefix */ | |
5704 | ret = str2prefix(ip_str, &p); | |
5705 | if (!ret) { | |
5706 | vty_out(vty, "%% Malformed prefix\n"); | |
5707 | return CMD_WARNING_CONFIG_FAILED; | |
5708 | } | |
5709 | apply_mask(&p); | |
5710 | if ((afi == AFI_L2VPN) | |
5711 | && (bgp_build_evpn_prefix(evpn_type, | |
5712 | ethtag != NULL ? atol(ethtag) : 0, &p))) { | |
5713 | vty_out(vty, "%% L2VPN prefix could not be forged\n"); | |
5714 | return CMD_WARNING_CONFIG_FAILED; | |
5715 | } | |
718e3744 | 5716 | |
d62a17ae | 5717 | ret = str2prefix_rd(rd_str, &prd); |
5718 | if (!ret) { | |
5719 | vty_out(vty, "%% Malformed rd\n"); | |
5720 | return CMD_WARNING_CONFIG_FAILED; | |
5721 | } | |
718e3744 | 5722 | |
d62a17ae | 5723 | if (label_str) { |
5724 | unsigned long label_val; | |
5725 | label_val = strtoul(label_str, NULL, 10); | |
5726 | encode_label(label_val, &label); | |
5727 | } | |
9bedbb1e | 5728 | |
d62a17ae | 5729 | if (safi == SAFI_EVPN) { |
5730 | if (esi && str2esi(esi, NULL) == 0) { | |
5731 | vty_out(vty, "%% Malformed ESI\n"); | |
5732 | return CMD_WARNING_CONFIG_FAILED; | |
5733 | } | |
5734 | if (routermac && prefix_str2mac(routermac, NULL) == 0) { | |
5735 | vty_out(vty, "%% Malformed Router MAC\n"); | |
5736 | return CMD_WARNING_CONFIG_FAILED; | |
5737 | } | |
5738 | if (gwip) { | |
5739 | memset(&gw_ip, 0, sizeof(struct prefix)); | |
5740 | ret = str2prefix(gwip, &gw_ip); | |
5741 | if (!ret) { | |
5742 | vty_out(vty, "%% Malformed GatewayIp\n"); | |
5743 | return CMD_WARNING_CONFIG_FAILED; | |
5744 | } | |
5745 | if ((gw_ip.family == AF_INET | |
3714a385 | 5746 | && is_evpn_prefix_ipaddr_v6( |
d62a17ae | 5747 | (struct prefix_evpn *)&p)) |
5748 | || (gw_ip.family == AF_INET6 | |
3714a385 | 5749 | && is_evpn_prefix_ipaddr_v4( |
d62a17ae | 5750 | (struct prefix_evpn *)&p))) { |
5751 | vty_out(vty, | |
5752 | "%% GatewayIp family differs with IP prefix\n"); | |
5753 | return CMD_WARNING_CONFIG_FAILED; | |
5754 | } | |
5755 | } | |
5756 | } | |
5757 | prn = bgp_node_get(bgp->route[afi][safi], (struct prefix *)&prd); | |
67009e22 DS |
5758 | if (!bgp_node_has_bgp_path_info_data(prn)) |
5759 | bgp_node_set_bgp_table_info(prn, | |
5760 | bgp_table_init(bgp, afi, safi)); | |
67009e22 | 5761 | table = bgp_node_get_bgp_table_info(prn); |
d62a17ae | 5762 | |
5763 | rn = bgp_node_get(table, &p); | |
5764 | ||
67009e22 | 5765 | if (bgp_node_has_bgp_path_info_data(rn)) { |
d62a17ae | 5766 | vty_out(vty, "%% Same network configuration exists\n"); |
5767 | bgp_unlock_node(rn); | |
5768 | } else { | |
5769 | /* New configuration. */ | |
5770 | bgp_static = bgp_static_new(); | |
5771 | bgp_static->backdoor = 0; | |
5772 | bgp_static->valid = 0; | |
5773 | bgp_static->igpmetric = 0; | |
5774 | bgp_static->igpnexthop.s_addr = 0; | |
5775 | bgp_static->label = label; | |
5776 | bgp_static->prd = prd; | |
5777 | ||
5778 | if (rmap_str) { | |
0a22ddfb | 5779 | XFREE(MTYPE_ROUTE_MAP_NAME, bgp_static->rmap.name); |
b4897fa5 | 5780 | route_map_counter_decrement(bgp_static->rmap.map); |
d62a17ae | 5781 | bgp_static->rmap.name = |
5782 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_str); | |
5783 | bgp_static->rmap.map = | |
5784 | route_map_lookup_by_name(rmap_str); | |
b4897fa5 | 5785 | route_map_counter_increment(bgp_static->rmap.map); |
d62a17ae | 5786 | } |
718e3744 | 5787 | |
d62a17ae | 5788 | if (safi == SAFI_EVPN) { |
5789 | if (esi) { | |
5790 | bgp_static->eth_s_id = | |
5791 | XCALLOC(MTYPE_ATTR, | |
5792 | sizeof(struct eth_segment_id)); | |
5793 | str2esi(esi, bgp_static->eth_s_id); | |
5794 | } | |
5795 | if (routermac) { | |
5796 | bgp_static->router_mac = | |
28328ea9 | 5797 | XCALLOC(MTYPE_ATTR, ETH_ALEN + 1); |
56cb79b6 A |
5798 | (void)prefix_str2mac(routermac, |
5799 | bgp_static->router_mac); | |
d62a17ae | 5800 | } |
5801 | if (gwip) | |
5802 | prefix_copy(&bgp_static->gatewayIp, &gw_ip); | |
5803 | } | |
5a8ba9fc | 5804 | bgp_node_set_bgp_static_info(rn, bgp_static); |
718e3744 | 5805 | |
d62a17ae | 5806 | bgp_static->valid = 1; |
5807 | bgp_static_update_safi(bgp, &p, bgp_static, afi, safi); | |
5808 | } | |
718e3744 | 5809 | |
d62a17ae | 5810 | return CMD_SUCCESS; |
718e3744 | 5811 | } |
5812 | ||
5813 | /* Configure static BGP network. */ | |
d62a17ae | 5814 | int bgp_static_unset_safi(afi_t afi, safi_t safi, struct vty *vty, |
5815 | const char *ip_str, const char *rd_str, | |
5816 | const char *label_str, int evpn_type, const char *esi, | |
5817 | const char *gwip, const char *ethtag) | |
5818 | { | |
5819 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5820 | int ret; | |
5821 | struct prefix p; | |
5822 | struct prefix_rd prd; | |
5823 | struct bgp_node *prn; | |
5824 | struct bgp_node *rn; | |
5825 | struct bgp_table *table; | |
5826 | struct bgp_static *bgp_static; | |
5827 | mpls_label_t label = MPLS_INVALID_LABEL; | |
5828 | ||
5829 | /* Convert IP prefix string to struct prefix. */ | |
5830 | ret = str2prefix(ip_str, &p); | |
5831 | if (!ret) { | |
5832 | vty_out(vty, "%% Malformed prefix\n"); | |
5833 | return CMD_WARNING_CONFIG_FAILED; | |
5834 | } | |
5835 | apply_mask(&p); | |
5836 | if ((afi == AFI_L2VPN) | |
5837 | && (bgp_build_evpn_prefix(evpn_type, | |
5838 | ethtag != NULL ? atol(ethtag) : 0, &p))) { | |
5839 | vty_out(vty, "%% L2VPN prefix could not be forged\n"); | |
5840 | return CMD_WARNING_CONFIG_FAILED; | |
5841 | } | |
5842 | ret = str2prefix_rd(rd_str, &prd); | |
5843 | if (!ret) { | |
5844 | vty_out(vty, "%% Malformed rd\n"); | |
5845 | return CMD_WARNING_CONFIG_FAILED; | |
5846 | } | |
718e3744 | 5847 | |
d62a17ae | 5848 | if (label_str) { |
5849 | unsigned long label_val; | |
5850 | label_val = strtoul(label_str, NULL, 10); | |
5851 | encode_label(label_val, &label); | |
5852 | } | |
718e3744 | 5853 | |
d62a17ae | 5854 | prn = bgp_node_get(bgp->route[afi][safi], (struct prefix *)&prd); |
67009e22 DS |
5855 | if (!bgp_node_has_bgp_path_info_data(prn)) |
5856 | bgp_node_set_bgp_table_info(prn, | |
5857 | bgp_table_init(bgp, afi, safi)); | |
d62a17ae | 5858 | else |
5859 | bgp_unlock_node(prn); | |
67009e22 | 5860 | table = bgp_node_get_bgp_table_info(prn); |
718e3744 | 5861 | |
d62a17ae | 5862 | rn = bgp_node_lookup(table, &p); |
6b0655a2 | 5863 | |
d62a17ae | 5864 | if (rn) { |
5865 | bgp_static_withdraw_safi(bgp, &p, afi, safi, &prd); | |
73ac8160 | 5866 | |
5a8ba9fc | 5867 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 5868 | bgp_static_free(bgp_static); |
5a8ba9fc | 5869 | bgp_node_set_bgp_static_info(rn, NULL); |
d62a17ae | 5870 | bgp_unlock_node(rn); |
5871 | bgp_unlock_node(rn); | |
5872 | } else | |
5873 | vty_out(vty, "%% Can't find the route\n"); | |
5874 | ||
5875 | return CMD_SUCCESS; | |
5876 | } | |
5877 | ||
5878 | static int bgp_table_map_set(struct vty *vty, afi_t afi, safi_t safi, | |
5879 | const char *rmap_name) | |
5880 | { | |
5881 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
5882 | struct bgp_rmap *rmap; | |
5883 | ||
5884 | rmap = &bgp->table_map[afi][safi]; | |
5885 | if (rmap_name) { | |
0a22ddfb | 5886 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5887 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5888 | rmap->name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_name); |
5889 | rmap->map = route_map_lookup_by_name(rmap_name); | |
b4897fa5 | 5890 | route_map_counter_increment(rmap->map); |
d62a17ae | 5891 | } else { |
0a22ddfb | 5892 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5893 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5894 | rmap->name = NULL; |
5895 | rmap->map = NULL; | |
5896 | } | |
73ac8160 | 5897 | |
d62a17ae | 5898 | if (bgp_fibupd_safi(safi)) |
5899 | bgp_zebra_announce_table(bgp, afi, safi); | |
73ac8160 | 5900 | |
d62a17ae | 5901 | return CMD_SUCCESS; |
73ac8160 DS |
5902 | } |
5903 | ||
d62a17ae | 5904 | static int bgp_table_map_unset(struct vty *vty, afi_t afi, safi_t safi, |
5905 | const char *rmap_name) | |
73ac8160 | 5906 | { |
d62a17ae | 5907 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
5908 | struct bgp_rmap *rmap; | |
73ac8160 | 5909 | |
d62a17ae | 5910 | rmap = &bgp->table_map[afi][safi]; |
0a22ddfb | 5911 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap->name); |
b4897fa5 | 5912 | route_map_counter_decrement(rmap->map); |
d62a17ae | 5913 | rmap->name = NULL; |
5914 | rmap->map = NULL; | |
73ac8160 | 5915 | |
d62a17ae | 5916 | if (bgp_fibupd_safi(safi)) |
5917 | bgp_zebra_announce_table(bgp, afi, safi); | |
73ac8160 | 5918 | |
d62a17ae | 5919 | return CMD_SUCCESS; |
73ac8160 DS |
5920 | } |
5921 | ||
2b791107 | 5922 | void bgp_config_write_table_map(struct vty *vty, struct bgp *bgp, afi_t afi, |
60466a63 | 5923 | safi_t safi) |
73ac8160 | 5924 | { |
d62a17ae | 5925 | if (bgp->table_map[afi][safi].name) { |
d62a17ae | 5926 | vty_out(vty, " table-map %s\n", |
5927 | bgp->table_map[afi][safi].name); | |
5928 | } | |
73ac8160 DS |
5929 | } |
5930 | ||
73ac8160 DS |
5931 | DEFUN (bgp_table_map, |
5932 | bgp_table_map_cmd, | |
5933 | "table-map WORD", | |
5934 | "BGP table to RIB route download filter\n" | |
5935 | "Name of the route map\n") | |
5936 | { | |
d62a17ae | 5937 | int idx_word = 1; |
5938 | return bgp_table_map_set(vty, bgp_node_afi(vty), bgp_node_safi(vty), | |
5939 | argv[idx_word]->arg); | |
73ac8160 DS |
5940 | } |
5941 | DEFUN (no_bgp_table_map, | |
5942 | no_bgp_table_map_cmd, | |
5943 | "no table-map WORD", | |
3a2d747c | 5944 | NO_STR |
73ac8160 DS |
5945 | "BGP table to RIB route download filter\n" |
5946 | "Name of the route map\n") | |
5947 | { | |
d62a17ae | 5948 | int idx_word = 2; |
5949 | return bgp_table_map_unset(vty, bgp_node_afi(vty), bgp_node_safi(vty), | |
5950 | argv[idx_word]->arg); | |
73ac8160 DS |
5951 | } |
5952 | ||
e2a86ad9 DS |
5953 | DEFPY(bgp_network, |
5954 | bgp_network_cmd, | |
5955 | "[no] network \ | |
5956 | <A.B.C.D/M$prefix|A.B.C.D$address [mask A.B.C.D$netmask]> \ | |
5957 | [{route-map WORD$map_name|label-index (0-1048560)$label_index| \ | |
5958 | backdoor$backdoor}]", | |
5959 | NO_STR | |
5960 | "Specify a network to announce via BGP\n" | |
5961 | "IPv4 prefix\n" | |
5962 | "Network number\n" | |
5963 | "Network mask\n" | |
5964 | "Network mask\n" | |
5965 | "Route-map to modify the attributes\n" | |
5966 | "Name of the route map\n" | |
5967 | "Label index to associate with the prefix\n" | |
5968 | "Label index value\n" | |
5969 | "Specify a BGP backdoor route\n") | |
5970 | { | |
5971 | char addr_prefix_str[BUFSIZ]; | |
5972 | ||
5973 | if (address_str) { | |
5974 | int ret; | |
718e3744 | 5975 | |
e2a86ad9 DS |
5976 | ret = netmask_str2prefix_str(address_str, netmask_str, |
5977 | addr_prefix_str); | |
5978 | if (!ret) { | |
5979 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
5980 | return CMD_WARNING_CONFIG_FAILED; | |
5981 | } | |
d62a17ae | 5982 | } |
718e3744 | 5983 | |
a4d82a8a PZ |
5984 | return bgp_static_set( |
5985 | vty, no, address_str ? addr_prefix_str : prefix_str, AFI_IP, | |
5986 | bgp_node_safi(vty), map_name, backdoor ? 1 : 0, | |
5987 | label_index ? (uint32_t)label_index : BGP_INVALID_LABEL_INDEX); | |
718e3744 | 5988 | } |
5989 | ||
e2a86ad9 DS |
5990 | DEFPY(ipv6_bgp_network, |
5991 | ipv6_bgp_network_cmd, | |
5992 | "[no] network X:X::X:X/M$prefix \ | |
5993 | [{route-map WORD$map_name|label-index (0-1048560)$label_index}]", | |
5994 | NO_STR | |
5995 | "Specify a network to announce via BGP\n" | |
5996 | "IPv6 prefix\n" | |
5997 | "Route-map to modify the attributes\n" | |
5998 | "Name of the route map\n" | |
5999 | "Label index to associate with the prefix\n" | |
6000 | "Label index value\n") | |
718e3744 | 6001 | { |
a4d82a8a PZ |
6002 | return bgp_static_set( |
6003 | vty, no, prefix_str, AFI_IP6, bgp_node_safi(vty), map_name, 0, | |
6004 | label_index ? (uint32_t)label_index : BGP_INVALID_LABEL_INDEX); | |
1b6d5c7e VV |
6005 | } |
6006 | ||
d62a17ae | 6007 | static struct bgp_aggregate *bgp_aggregate_new(void) |
718e3744 | 6008 | { |
d62a17ae | 6009 | return XCALLOC(MTYPE_BGP_AGGREGATE, sizeof(struct bgp_aggregate)); |
718e3744 | 6010 | } |
6011 | ||
d62a17ae | 6012 | static void bgp_aggregate_free(struct bgp_aggregate *aggregate) |
718e3744 | 6013 | { |
20894f50 DA |
6014 | XFREE(MTYPE_ROUTE_MAP_NAME, aggregate->rmap.name); |
6015 | route_map_counter_decrement(aggregate->rmap.map); | |
d62a17ae | 6016 | XFREE(MTYPE_BGP_AGGREGATE, aggregate); |
6017 | } | |
718e3744 | 6018 | |
40381db7 | 6019 | static int bgp_aggregate_info_same(struct bgp_path_info *pi, uint8_t origin, |
29f7d023 | 6020 | struct aspath *aspath, |
3da2cc32 | 6021 | struct community *comm, |
dd18c5a9 DS |
6022 | struct ecommunity *ecomm, |
6023 | struct lcommunity *lcomm) | |
eaaf8adb DS |
6024 | { |
6025 | static struct aspath *ae = NULL; | |
6026 | ||
6027 | if (!ae) | |
6028 | ae = aspath_empty(); | |
6029 | ||
40381db7 | 6030 | if (!pi) |
eaaf8adb DS |
6031 | return 0; |
6032 | ||
40381db7 | 6033 | if (origin != pi->attr->origin) |
eaaf8adb DS |
6034 | return 0; |
6035 | ||
40381db7 | 6036 | if (!aspath_cmp(pi->attr->aspath, (aspath) ? aspath : ae)) |
29f7d023 DS |
6037 | return 0; |
6038 | ||
40381db7 | 6039 | if (!community_cmp(pi->attr->community, comm)) |
eaaf8adb DS |
6040 | return 0; |
6041 | ||
3da2cc32 | 6042 | if (!ecommunity_cmp(pi->attr->ecommunity, ecomm)) |
eaaf8adb DS |
6043 | return 0; |
6044 | ||
dd18c5a9 DS |
6045 | if (!lcommunity_cmp(pi->attr->lcommunity, lcomm)) |
6046 | return 0; | |
6047 | ||
40381db7 | 6048 | if (!CHECK_FLAG(pi->flags, BGP_PATH_VALID)) |
7ce8a8e0 DS |
6049 | return 0; |
6050 | ||
eaaf8adb DS |
6051 | return 1; |
6052 | } | |
6053 | ||
c701010e DS |
6054 | static void bgp_aggregate_install(struct bgp *bgp, afi_t afi, safi_t safi, |
6055 | struct prefix *p, uint8_t origin, | |
6056 | struct aspath *aspath, | |
6057 | struct community *community, | |
3da2cc32 | 6058 | struct ecommunity *ecommunity, |
dd18c5a9 | 6059 | struct lcommunity *lcommunity, |
c701010e DS |
6060 | uint8_t atomic_aggregate, |
6061 | struct bgp_aggregate *aggregate) | |
6062 | { | |
6063 | struct bgp_node *rn; | |
6064 | struct bgp_table *table; | |
6f94b685 | 6065 | struct bgp_path_info *pi, *orig, *new; |
20894f50 | 6066 | struct attr *attr; |
c701010e DS |
6067 | |
6068 | table = bgp->rib[afi][safi]; | |
6069 | ||
6070 | rn = bgp_node_get(table, p); | |
eaaf8adb | 6071 | |
6f94b685 | 6072 | for (orig = pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
6073 | if (pi->peer == bgp->peer_self && pi->type == ZEBRA_ROUTE_BGP |
6074 | && pi->sub_type == BGP_ROUTE_AGGREGATE) | |
eaaf8adb DS |
6075 | break; |
6076 | ||
c701010e | 6077 | if (aggregate->count > 0) { |
eaaf8adb DS |
6078 | /* |
6079 | * If the aggregate information has not changed | |
6080 | * no need to re-install it again. | |
6081 | */ | |
6f94b685 | 6082 | if (bgp_aggregate_info_same(orig, origin, aspath, community, |
dd18c5a9 | 6083 | ecommunity, lcommunity)) { |
eaaf8adb DS |
6084 | bgp_unlock_node(rn); |
6085 | ||
6086 | if (aspath) | |
6087 | aspath_free(aspath); | |
6088 | if (community) | |
3c1f53de | 6089 | community_free(&community); |
3da2cc32 DS |
6090 | if (ecommunity) |
6091 | ecommunity_free(&ecommunity); | |
dd18c5a9 DS |
6092 | if (lcommunity) |
6093 | lcommunity_free(&lcommunity); | |
eaaf8adb DS |
6094 | |
6095 | return; | |
6096 | } | |
6097 | ||
6098 | /* | |
6099 | * Mark the old as unusable | |
6100 | */ | |
40381db7 DS |
6101 | if (pi) |
6102 | bgp_path_info_delete(rn, pi); | |
eaaf8adb | 6103 | |
20894f50 DA |
6104 | attr = bgp_attr_aggregate_intern( |
6105 | bgp, origin, aspath, community, ecommunity, lcommunity, | |
6106 | aggregate, atomic_aggregate, p); | |
6107 | ||
6108 | if (!attr) { | |
6109 | bgp_aggregate_delete(bgp, p, afi, safi, aggregate); | |
6110 | return; | |
6111 | } | |
6112 | ||
3da2cc32 | 6113 | new = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_AGGREGATE, 0, |
20894f50 DA |
6114 | bgp->peer_self, attr, rn); |
6115 | ||
1defdda8 | 6116 | SET_FLAG(new->flags, BGP_PATH_VALID); |
c701010e | 6117 | |
18ee8310 | 6118 | bgp_path_info_add(rn, new); |
c701010e DS |
6119 | bgp_process(bgp, rn, afi, safi); |
6120 | } else { | |
6f94b685 | 6121 | for (pi = orig; pi; pi = pi->next) |
40381db7 DS |
6122 | if (pi->peer == bgp->peer_self |
6123 | && pi->type == ZEBRA_ROUTE_BGP | |
6124 | && pi->sub_type == BGP_ROUTE_AGGREGATE) | |
c701010e DS |
6125 | break; |
6126 | ||
6127 | /* Withdraw static BGP route from routing table. */ | |
40381db7 DS |
6128 | if (pi) { |
6129 | bgp_path_info_delete(rn, pi); | |
c701010e DS |
6130 | bgp_process(bgp, rn, afi, safi); |
6131 | } | |
6132 | } | |
6133 | ||
6134 | bgp_unlock_node(rn); | |
6135 | } | |
6136 | ||
b5d58c32 | 6137 | /* Update an aggregate as routes are added/removed from the BGP table */ |
20894f50 | 6138 | void bgp_aggregate_route(struct bgp *bgp, struct prefix *p, |
fc968841 | 6139 | afi_t afi, safi_t safi, |
d62a17ae | 6140 | struct bgp_aggregate *aggregate) |
6141 | { | |
6142 | struct bgp_table *table; | |
6143 | struct bgp_node *top; | |
6144 | struct bgp_node *rn; | |
d7c0a89a | 6145 | uint8_t origin; |
d62a17ae | 6146 | struct aspath *aspath = NULL; |
d62a17ae | 6147 | struct community *community = NULL; |
3da2cc32 | 6148 | struct ecommunity *ecommunity = NULL; |
dd18c5a9 | 6149 | struct lcommunity *lcommunity = NULL; |
40381db7 | 6150 | struct bgp_path_info *pi; |
d62a17ae | 6151 | unsigned long match = 0; |
d7c0a89a | 6152 | uint8_t atomic_aggregate = 0; |
d62a17ae | 6153 | |
9f822fa2 S |
6154 | /* If the bgp instance is being deleted or self peer is deleted |
6155 | * then do not create aggregate route | |
6156 | */ | |
6157 | if (bgp_flag_check(bgp, BGP_FLAG_DELETE_IN_PROGRESS) || | |
6158 | (bgp->peer_self == NULL)) | |
6159 | return; | |
6160 | ||
d62a17ae | 6161 | /* ORIGIN attribute: If at least one route among routes that are |
6162 | aggregated has ORIGIN with the value INCOMPLETE, then the | |
6163 | aggregated route must have the ORIGIN attribute with the value | |
6164 | INCOMPLETE. Otherwise, if at least one route among routes that | |
6165 | are aggregated has ORIGIN with the value EGP, then the aggregated | |
6166 | route must have the origin attribute with the value EGP. In all | |
6167 | other case the value of the ORIGIN attribute of the aggregated | |
6168 | route is INTERNAL. */ | |
6169 | origin = BGP_ORIGIN_IGP; | |
718e3744 | 6170 | |
d62a17ae | 6171 | table = bgp->rib[afi][safi]; |
718e3744 | 6172 | |
d62a17ae | 6173 | top = bgp_node_get(table, p); |
6174 | for (rn = bgp_node_get(table, p); rn; | |
c2ff8b3e DS |
6175 | rn = bgp_route_next_until(rn, top)) { |
6176 | if (rn->p.prefixlen <= p->prefixlen) | |
6177 | continue; | |
d62a17ae | 6178 | |
c2ff8b3e | 6179 | match = 0; |
d62a17ae | 6180 | |
6f94b685 | 6181 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 6182 | if (BGP_PATH_HOLDDOWN(pi)) |
c2ff8b3e | 6183 | continue; |
718e3744 | 6184 | |
40381db7 | 6185 | if (pi->attr->flag |
c2ff8b3e DS |
6186 | & ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE)) |
6187 | atomic_aggregate = 1; | |
d62a17ae | 6188 | |
40381db7 | 6189 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) |
c2ff8b3e | 6190 | continue; |
d62a17ae | 6191 | |
f273fef1 DS |
6192 | /* |
6193 | * summary-only aggregate route suppress | |
6194 | * aggregated route announcements. | |
6195 | */ | |
c2ff8b3e | 6196 | if (aggregate->summary_only) { |
40381db7 DS |
6197 | (bgp_path_info_extra_get(pi))->suppress++; |
6198 | bgp_path_info_set_flag(rn, pi, | |
18ee8310 | 6199 | BGP_PATH_ATTR_CHANGED); |
c2ff8b3e | 6200 | match++; |
d62a17ae | 6201 | } |
c2ff8b3e DS |
6202 | |
6203 | aggregate->count++; | |
6204 | ||
f273fef1 DS |
6205 | /* |
6206 | * If at least one route among routes that are | |
6207 | * aggregated has ORIGIN with the value INCOMPLETE, | |
6208 | * then the aggregated route MUST have the ORIGIN | |
6209 | * attribute with the value INCOMPLETE. Otherwise, if | |
6210 | * at least one route among routes that are aggregated | |
6211 | * has ORIGIN with the value EGP, then the aggregated | |
6212 | * route MUST have the ORIGIN attribute with the value | |
6213 | * EGP. | |
6214 | */ | |
fc968841 NT |
6215 | switch (pi->attr->origin) { |
6216 | case BGP_ORIGIN_INCOMPLETE: | |
6217 | aggregate->incomplete_origin_count++; | |
6218 | break; | |
6219 | case BGP_ORIGIN_EGP: | |
6220 | aggregate->egp_origin_count++; | |
6221 | break; | |
6222 | default: | |
6223 | /*Do nothing. | |
6224 | */ | |
6225 | break; | |
6226 | } | |
c2ff8b3e DS |
6227 | |
6228 | if (!aggregate->as_set) | |
6229 | continue; | |
6230 | ||
f273fef1 DS |
6231 | /* |
6232 | * as-set aggregate route generate origin, as path, | |
6233 | * and community aggregation. | |
6234 | */ | |
fc968841 NT |
6235 | /* Compute aggregate route's as-path. |
6236 | */ | |
ef51a7d8 | 6237 | bgp_compute_aggregate_aspath_hash(aggregate, |
6238 | pi->attr->aspath); | |
c2ff8b3e | 6239 | |
fc968841 NT |
6240 | /* Compute aggregate route's community. |
6241 | */ | |
6242 | if (pi->attr->community) | |
21fec674 | 6243 | bgp_compute_aggregate_community_hash( |
fc968841 NT |
6244 | aggregate, |
6245 | pi->attr->community); | |
dd18c5a9 | 6246 | |
fc968841 NT |
6247 | /* Compute aggregate route's extended community. |
6248 | */ | |
6249 | if (pi->attr->ecommunity) | |
4edd83f9 | 6250 | bgp_compute_aggregate_ecommunity_hash( |
fc968841 NT |
6251 | aggregate, |
6252 | pi->attr->ecommunity); | |
6253 | ||
6254 | /* Compute aggregate route's large community. | |
6255 | */ | |
6256 | if (pi->attr->lcommunity) | |
f1eb1f05 | 6257 | bgp_compute_aggregate_lcommunity_hash( |
fc968841 NT |
6258 | aggregate, |
6259 | pi->attr->lcommunity); | |
d62a17ae | 6260 | } |
c2ff8b3e DS |
6261 | if (match) |
6262 | bgp_process(bgp, rn, afi, safi); | |
6263 | } | |
21fec674 | 6264 | if (aggregate->as_set) { |
ef51a7d8 | 6265 | bgp_compute_aggregate_aspath_val(aggregate); |
21fec674 | 6266 | bgp_compute_aggregate_community_val(aggregate); |
4edd83f9 | 6267 | bgp_compute_aggregate_ecommunity_val(aggregate); |
f1eb1f05 | 6268 | bgp_compute_aggregate_lcommunity_val(aggregate); |
21fec674 | 6269 | } |
6270 | ||
f1eb1f05 | 6271 | |
d62a17ae | 6272 | bgp_unlock_node(top); |
718e3744 | 6273 | |
718e3744 | 6274 | |
fc968841 NT |
6275 | if (aggregate->incomplete_origin_count > 0) |
6276 | origin = BGP_ORIGIN_INCOMPLETE; | |
6277 | else if (aggregate->egp_origin_count > 0) | |
6278 | origin = BGP_ORIGIN_EGP; | |
d62a17ae | 6279 | |
fc968841 NT |
6280 | if (aggregate->as_set) { |
6281 | if (aggregate->aspath) | |
6282 | /* Retrieve aggregate route's as-path. | |
6283 | */ | |
6284 | aspath = aspath_dup(aggregate->aspath); | |
d62a17ae | 6285 | |
fc968841 NT |
6286 | if (aggregate->community) |
6287 | /* Retrieve aggregate route's community. | |
6288 | */ | |
6289 | community = community_dup(aggregate->community); | |
3da2cc32 | 6290 | |
fc968841 NT |
6291 | if (aggregate->ecommunity) |
6292 | /* Retrieve aggregate route's ecommunity. | |
6293 | */ | |
6294 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
dd18c5a9 | 6295 | |
fc968841 NT |
6296 | if (aggregate->lcommunity) |
6297 | /* Retrieve aggregate route's lcommunity. | |
6298 | */ | |
6299 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
718e3744 | 6300 | } |
718e3744 | 6301 | |
c701010e | 6302 | bgp_aggregate_install(bgp, afi, safi, p, origin, aspath, community, |
dd18c5a9 DS |
6303 | ecommunity, lcommunity, atomic_aggregate, |
6304 | aggregate); | |
718e3744 | 6305 | } |
6306 | ||
20894f50 | 6307 | void bgp_aggregate_delete(struct bgp *bgp, struct prefix *p, afi_t afi, |
3b7db173 DS |
6308 | safi_t safi, struct bgp_aggregate *aggregate) |
6309 | { | |
6310 | struct bgp_table *table; | |
6311 | struct bgp_node *top; | |
6312 | struct bgp_node *rn; | |
40381db7 | 6313 | struct bgp_path_info *pi; |
3b7db173 DS |
6314 | unsigned long match; |
6315 | ||
6316 | table = bgp->rib[afi][safi]; | |
6317 | ||
6318 | /* If routes exists below this node, generate aggregate routes. */ | |
6319 | top = bgp_node_get(table, p); | |
6320 | for (rn = bgp_node_get(table, p); rn; | |
6321 | rn = bgp_route_next_until(rn, top)) { | |
6322 | if (rn->p.prefixlen <= p->prefixlen) | |
6323 | continue; | |
6324 | match = 0; | |
6325 | ||
6f94b685 | 6326 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
40381db7 | 6327 | if (BGP_PATH_HOLDDOWN(pi)) |
3b7db173 DS |
6328 | continue; |
6329 | ||
40381db7 | 6330 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) |
3b7db173 DS |
6331 | continue; |
6332 | ||
40381db7 DS |
6333 | if (aggregate->summary_only && pi->extra) { |
6334 | pi->extra->suppress--; | |
3b7db173 | 6335 | |
40381db7 | 6336 | if (pi->extra->suppress == 0) { |
18ee8310 | 6337 | bgp_path_info_set_flag( |
40381db7 | 6338 | rn, pi, BGP_PATH_ATTR_CHANGED); |
3b7db173 DS |
6339 | match++; |
6340 | } | |
6341 | } | |
6342 | aggregate->count--; | |
fc968841 NT |
6343 | |
6344 | if (pi->attr->origin == BGP_ORIGIN_INCOMPLETE) | |
6345 | aggregate->incomplete_origin_count--; | |
6346 | else if (pi->attr->origin == BGP_ORIGIN_EGP) | |
6347 | aggregate->egp_origin_count--; | |
6348 | ||
6349 | if (aggregate->as_set) { | |
6350 | /* Remove as-path from aggregate. | |
6351 | */ | |
ef51a7d8 | 6352 | bgp_remove_aspath_from_aggregate_hash( |
fc968841 NT |
6353 | aggregate, |
6354 | pi->attr->aspath); | |
6355 | ||
6356 | if (pi->attr->community) | |
6357 | /* Remove community from aggregate. | |
6358 | */ | |
21fec674 | 6359 | bgp_remove_comm_from_aggregate_hash( |
fc968841 NT |
6360 | aggregate, |
6361 | pi->attr->community); | |
6362 | ||
6363 | if (pi->attr->ecommunity) | |
6364 | /* Remove ecommunity from aggregate. | |
6365 | */ | |
4edd83f9 | 6366 | bgp_remove_ecomm_from_aggregate_hash( |
fc968841 NT |
6367 | aggregate, |
6368 | pi->attr->ecommunity); | |
6369 | ||
6370 | if (pi->attr->lcommunity) | |
6371 | /* Remove lcommunity from aggregate. | |
6372 | */ | |
f1eb1f05 | 6373 | bgp_remove_lcomm_from_aggregate_hash( |
fc968841 NT |
6374 | aggregate, |
6375 | pi->attr->lcommunity); | |
6376 | } | |
6377 | ||
3b7db173 DS |
6378 | } |
6379 | ||
6380 | /* If this node was suppressed, process the change. */ | |
6381 | if (match) | |
6382 | bgp_process(bgp, rn, afi, safi); | |
6383 | } | |
f1eb1f05 | 6384 | if (aggregate->as_set) { |
ef51a7d8 | 6385 | aspath_free(aggregate->aspath); |
6386 | aggregate->aspath = NULL; | |
21fec674 | 6387 | if (aggregate->community) |
6388 | community_free(&aggregate->community); | |
4edd83f9 | 6389 | if (aggregate->ecommunity) |
6390 | ecommunity_free(&aggregate->ecommunity); | |
f1eb1f05 | 6391 | if (aggregate->lcommunity) |
6392 | lcommunity_free(&aggregate->lcommunity); | |
6393 | } | |
6394 | ||
3b7db173 DS |
6395 | bgp_unlock_node(top); |
6396 | } | |
718e3744 | 6397 | |
fc968841 NT |
6398 | static void bgp_add_route_to_aggregate(struct bgp *bgp, struct prefix *aggr_p, |
6399 | struct bgp_path_info *pinew, afi_t afi, | |
6400 | safi_t safi, | |
6401 | struct bgp_aggregate *aggregate) | |
6402 | { | |
6403 | uint8_t origin; | |
6404 | struct aspath *aspath = NULL; | |
6405 | uint8_t atomic_aggregate = 0; | |
6406 | struct community *community = NULL; | |
6407 | struct ecommunity *ecommunity = NULL; | |
6408 | struct lcommunity *lcommunity = NULL; | |
6409 | ||
6410 | /* ORIGIN attribute: If at least one route among routes that are | |
6411 | * aggregated has ORIGIN with the value INCOMPLETE, then the | |
6412 | * aggregated route must have the ORIGIN attribute with the value | |
6413 | * INCOMPLETE. Otherwise, if at least one route among routes that | |
6414 | * are aggregated has ORIGIN with the value EGP, then the aggregated | |
6415 | * route must have the origin attribute with the value EGP. In all | |
6416 | * other case the value of the ORIGIN attribute of the aggregated | |
6417 | * route is INTERNAL. | |
6418 | */ | |
6419 | origin = BGP_ORIGIN_IGP; | |
6420 | ||
6421 | aggregate->count++; | |
6422 | ||
6423 | if (aggregate->summary_only) | |
6424 | (bgp_path_info_extra_get(pinew))->suppress++; | |
6425 | ||
6426 | switch (pinew->attr->origin) { | |
6427 | case BGP_ORIGIN_INCOMPLETE: | |
6428 | aggregate->incomplete_origin_count++; | |
6429 | break; | |
6430 | case BGP_ORIGIN_EGP: | |
6431 | aggregate->egp_origin_count++; | |
6432 | break; | |
6433 | default: | |
6434 | /* Do nothing. | |
6435 | */ | |
6436 | break; | |
6437 | } | |
6438 | ||
6439 | if (aggregate->incomplete_origin_count > 0) | |
6440 | origin = BGP_ORIGIN_INCOMPLETE; | |
6441 | else if (aggregate->egp_origin_count > 0) | |
6442 | origin = BGP_ORIGIN_EGP; | |
6443 | ||
6444 | if (aggregate->as_set) { | |
6445 | /* Compute aggregate route's as-path. | |
6446 | */ | |
6447 | bgp_compute_aggregate_aspath(aggregate, | |
6448 | pinew->attr->aspath); | |
6449 | ||
6450 | /* Compute aggregate route's community. | |
6451 | */ | |
6452 | if (pinew->attr->community) | |
6453 | bgp_compute_aggregate_community( | |
6454 | aggregate, | |
6455 | pinew->attr->community); | |
6456 | ||
6457 | /* Compute aggregate route's extended community. | |
6458 | */ | |
6459 | if (pinew->attr->ecommunity) | |
6460 | bgp_compute_aggregate_ecommunity( | |
6461 | aggregate, | |
6462 | pinew->attr->ecommunity); | |
6463 | ||
6464 | /* Compute aggregate route's large community. | |
6465 | */ | |
6466 | if (pinew->attr->lcommunity) | |
6467 | bgp_compute_aggregate_lcommunity( | |
6468 | aggregate, | |
6469 | pinew->attr->lcommunity); | |
6470 | ||
6471 | /* Retrieve aggregate route's as-path. | |
6472 | */ | |
6473 | if (aggregate->aspath) | |
6474 | aspath = aspath_dup(aggregate->aspath); | |
6475 | ||
6476 | /* Retrieve aggregate route's community. | |
6477 | */ | |
6478 | if (aggregate->community) | |
6479 | community = community_dup(aggregate->community); | |
6480 | ||
6481 | /* Retrieve aggregate route's ecommunity. | |
6482 | */ | |
6483 | if (aggregate->ecommunity) | |
6484 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
6485 | ||
6486 | /* Retrieve aggregate route's lcommunity. | |
6487 | */ | |
6488 | if (aggregate->lcommunity) | |
6489 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
6490 | } | |
6491 | ||
6492 | bgp_aggregate_install(bgp, afi, safi, aggr_p, origin, | |
6493 | aspath, community, ecommunity, | |
6494 | lcommunity, atomic_aggregate, aggregate); | |
6495 | } | |
6496 | ||
6497 | static void bgp_remove_route_from_aggregate(struct bgp *bgp, afi_t afi, | |
6498 | safi_t safi, | |
6499 | struct bgp_path_info *pi, | |
6500 | struct bgp_aggregate *aggregate, | |
6501 | struct prefix *aggr_p) | |
6502 | { | |
6503 | uint8_t origin; | |
6504 | struct aspath *aspath = NULL; | |
6505 | uint8_t atomic_aggregate = 0; | |
6506 | struct community *community = NULL; | |
6507 | struct ecommunity *ecommunity = NULL; | |
6508 | struct lcommunity *lcommunity = NULL; | |
6509 | unsigned long match = 0; | |
6510 | ||
6511 | if (BGP_PATH_HOLDDOWN(pi)) | |
6512 | return; | |
6513 | ||
6514 | if (pi->sub_type == BGP_ROUTE_AGGREGATE) | |
6515 | return; | |
6516 | ||
6517 | if (aggregate->summary_only | |
6518 | && pi->extra | |
6519 | && pi->extra->suppress > 0) { | |
6520 | pi->extra->suppress--; | |
6521 | ||
6522 | if (pi->extra->suppress == 0) { | |
6523 | bgp_path_info_set_flag(pi->net, pi, | |
6524 | BGP_PATH_ATTR_CHANGED); | |
6525 | match++; | |
6526 | } | |
6527 | } | |
6528 | ||
6529 | if (aggregate->count > 0) | |
6530 | aggregate->count--; | |
6531 | ||
6532 | if (pi->attr->origin == BGP_ORIGIN_INCOMPLETE) | |
6533 | aggregate->incomplete_origin_count--; | |
6534 | else if (pi->attr->origin == BGP_ORIGIN_EGP) | |
6535 | aggregate->egp_origin_count--; | |
6536 | ||
6537 | if (aggregate->as_set) { | |
6538 | /* Remove as-path from aggregate. | |
6539 | */ | |
6540 | bgp_remove_aspath_from_aggregate(aggregate, | |
6541 | pi->attr->aspath); | |
6542 | ||
6543 | if (pi->attr->community) | |
6544 | /* Remove community from aggregate. | |
6545 | */ | |
6546 | bgp_remove_community_from_aggregate( | |
6547 | aggregate, | |
6548 | pi->attr->community); | |
6549 | ||
6550 | if (pi->attr->ecommunity) | |
6551 | /* Remove ecommunity from aggregate. | |
6552 | */ | |
6553 | bgp_remove_ecommunity_from_aggregate( | |
6554 | aggregate, | |
6555 | pi->attr->ecommunity); | |
6556 | ||
6557 | if (pi->attr->lcommunity) | |
6558 | /* Remove lcommunity from aggregate. | |
6559 | */ | |
6560 | bgp_remove_lcommunity_from_aggregate( | |
6561 | aggregate, | |
6562 | pi->attr->lcommunity); | |
6563 | } | |
6564 | ||
6565 | /* If this node was suppressed, process the change. */ | |
6566 | if (match) | |
6567 | bgp_process(bgp, pi->net, afi, safi); | |
6568 | ||
6569 | origin = BGP_ORIGIN_IGP; | |
6570 | if (aggregate->incomplete_origin_count > 0) | |
6571 | origin = BGP_ORIGIN_INCOMPLETE; | |
6572 | else if (aggregate->egp_origin_count > 0) | |
6573 | origin = BGP_ORIGIN_EGP; | |
6574 | ||
6575 | if (aggregate->as_set) { | |
6576 | /* Retrieve aggregate route's as-path. | |
6577 | */ | |
6578 | if (aggregate->aspath) | |
6579 | aspath = aspath_dup(aggregate->aspath); | |
6580 | ||
6581 | /* Retrieve aggregate route's community. | |
6582 | */ | |
6583 | if (aggregate->community) | |
6584 | community = community_dup(aggregate->community); | |
6585 | ||
6586 | /* Retrieve aggregate route's ecommunity. | |
6587 | */ | |
6588 | if (aggregate->ecommunity) | |
6589 | ecommunity = ecommunity_dup(aggregate->ecommunity); | |
6590 | ||
6591 | /* Retrieve aggregate route's lcommunity. | |
6592 | */ | |
6593 | if (aggregate->lcommunity) | |
6594 | lcommunity = lcommunity_dup(aggregate->lcommunity); | |
6595 | } | |
6596 | ||
6597 | bgp_aggregate_install(bgp, afi, safi, aggr_p, origin, | |
6598 | aspath, community, ecommunity, | |
6599 | lcommunity, atomic_aggregate, aggregate); | |
6600 | } | |
6601 | ||
d62a17ae | 6602 | void bgp_aggregate_increment(struct bgp *bgp, struct prefix *p, |
40381db7 | 6603 | struct bgp_path_info *pi, afi_t afi, safi_t safi) |
718e3744 | 6604 | { |
d62a17ae | 6605 | struct bgp_node *child; |
6606 | struct bgp_node *rn; | |
6607 | struct bgp_aggregate *aggregate; | |
6608 | struct bgp_table *table; | |
718e3744 | 6609 | |
d62a17ae | 6610 | table = bgp->aggregate[afi][safi]; |
f018db83 | 6611 | |
d62a17ae | 6612 | /* No aggregates configured. */ |
6613 | if (bgp_table_top_nolock(table) == NULL) | |
6614 | return; | |
f018db83 | 6615 | |
d62a17ae | 6616 | if (p->prefixlen == 0) |
6617 | return; | |
718e3744 | 6618 | |
40381db7 | 6619 | if (BGP_PATH_HOLDDOWN(pi)) |
d62a17ae | 6620 | return; |
718e3744 | 6621 | |
d62a17ae | 6622 | child = bgp_node_get(table, p); |
718e3744 | 6623 | |
d62a17ae | 6624 | /* Aggregate address configuration check. */ |
b1e62edd | 6625 | for (rn = child; rn; rn = bgp_node_parent_nolock(rn)) { |
b613a918 | 6626 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 6627 | if (aggregate != NULL && rn->p.prefixlen < p->prefixlen) { |
fc968841 NT |
6628 | bgp_add_route_to_aggregate(bgp, &rn->p, pi, afi, |
6629 | safi, aggregate); | |
d62a17ae | 6630 | } |
b1e62edd | 6631 | } |
d62a17ae | 6632 | bgp_unlock_node(child); |
718e3744 | 6633 | } |
6634 | ||
d62a17ae | 6635 | void bgp_aggregate_decrement(struct bgp *bgp, struct prefix *p, |
4b7e6066 | 6636 | struct bgp_path_info *del, afi_t afi, safi_t safi) |
718e3744 | 6637 | { |
d62a17ae | 6638 | struct bgp_node *child; |
6639 | struct bgp_node *rn; | |
6640 | struct bgp_aggregate *aggregate; | |
6641 | struct bgp_table *table; | |
718e3744 | 6642 | |
d62a17ae | 6643 | table = bgp->aggregate[afi][safi]; |
718e3744 | 6644 | |
d62a17ae | 6645 | /* No aggregates configured. */ |
6646 | if (bgp_table_top_nolock(table) == NULL) | |
6647 | return; | |
718e3744 | 6648 | |
d62a17ae | 6649 | if (p->prefixlen == 0) |
6650 | return; | |
718e3744 | 6651 | |
d62a17ae | 6652 | child = bgp_node_get(table, p); |
718e3744 | 6653 | |
d62a17ae | 6654 | /* Aggregate address configuration check. */ |
b1e62edd | 6655 | for (rn = child; rn; rn = bgp_node_parent_nolock(rn)) { |
b613a918 | 6656 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 6657 | if (aggregate != NULL && rn->p.prefixlen < p->prefixlen) { |
fc968841 NT |
6658 | bgp_remove_route_from_aggregate(bgp, afi, safi, |
6659 | del, aggregate, &rn->p); | |
d62a17ae | 6660 | } |
b1e62edd | 6661 | } |
d62a17ae | 6662 | bgp_unlock_node(child); |
6663 | } | |
718e3744 | 6664 | |
718e3744 | 6665 | /* Aggregate route attribute. */ |
6666 | #define AGGREGATE_SUMMARY_ONLY 1 | |
6667 | #define AGGREGATE_AS_SET 1 | |
fb29348a | 6668 | #define AGGREGATE_AS_UNSET 0 |
718e3744 | 6669 | |
d62a17ae | 6670 | static int bgp_aggregate_unset(struct vty *vty, const char *prefix_str, |
6671 | afi_t afi, safi_t safi) | |
718e3744 | 6672 | { |
d62a17ae | 6673 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
6674 | int ret; | |
6675 | struct prefix p; | |
6676 | struct bgp_node *rn; | |
6677 | struct bgp_aggregate *aggregate; | |
718e3744 | 6678 | |
d62a17ae | 6679 | /* Convert string to prefix structure. */ |
6680 | ret = str2prefix(prefix_str, &p); | |
6681 | if (!ret) { | |
6682 | vty_out(vty, "Malformed prefix\n"); | |
6683 | return CMD_WARNING_CONFIG_FAILED; | |
6684 | } | |
6685 | apply_mask(&p); | |
6686 | ||
6687 | /* Old configuration check. */ | |
6688 | rn = bgp_node_lookup(bgp->aggregate[afi][safi], &p); | |
6689 | if (!rn) { | |
6690 | vty_out(vty, | |
6691 | "%% There is no aggregate-address configuration.\n"); | |
6692 | return CMD_WARNING_CONFIG_FAILED; | |
6693 | } | |
f6269b4f | 6694 | |
b613a918 | 6695 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
09990cdd | 6696 | bgp_aggregate_delete(bgp, &p, afi, safi, aggregate); |
dd18c5a9 DS |
6697 | bgp_aggregate_install(bgp, afi, safi, &p, 0, NULL, NULL, |
6698 | NULL, NULL, 0, aggregate); | |
d62a17ae | 6699 | |
6700 | /* Unlock aggregate address configuration. */ | |
b613a918 | 6701 | bgp_node_set_bgp_aggregate_info(rn, NULL); |
fc968841 NT |
6702 | |
6703 | if (aggregate->community) | |
6704 | community_free(&aggregate->community); | |
6705 | ||
6706 | if (aggregate->community_hash) { | |
6707 | /* Delete all communities in the hash. | |
6708 | */ | |
6709 | hash_clean(aggregate->community_hash, | |
6710 | bgp_aggr_community_remove); | |
6711 | /* Free up the community_hash. | |
6712 | */ | |
6713 | hash_free(aggregate->community_hash); | |
6714 | } | |
6715 | ||
6716 | if (aggregate->ecommunity) | |
6717 | ecommunity_free(&aggregate->ecommunity); | |
6718 | ||
6719 | if (aggregate->ecommunity_hash) { | |
6720 | /* Delete all ecommunities in the hash. | |
6721 | */ | |
6722 | hash_clean(aggregate->ecommunity_hash, | |
6723 | bgp_aggr_ecommunity_remove); | |
6724 | /* Free up the ecommunity_hash. | |
6725 | */ | |
6726 | hash_free(aggregate->ecommunity_hash); | |
6727 | } | |
6728 | ||
6729 | if (aggregate->lcommunity) | |
6730 | lcommunity_free(&aggregate->lcommunity); | |
6731 | ||
6732 | if (aggregate->lcommunity_hash) { | |
6733 | /* Delete all lcommunities in the hash. | |
6734 | */ | |
6735 | hash_clean(aggregate->lcommunity_hash, | |
6736 | bgp_aggr_lcommunity_remove); | |
6737 | /* Free up the lcommunity_hash. | |
6738 | */ | |
6739 | hash_free(aggregate->lcommunity_hash); | |
6740 | } | |
6741 | ||
6742 | if (aggregate->aspath) | |
6743 | aspath_free(aggregate->aspath); | |
6744 | ||
6745 | if (aggregate->aspath_hash) { | |
6746 | /* Delete all as-paths in the hash. | |
6747 | */ | |
6748 | hash_clean(aggregate->aspath_hash, | |
6749 | bgp_aggr_aspath_remove); | |
6750 | /* Free up the aspath_hash. | |
6751 | */ | |
6752 | hash_free(aggregate->aspath_hash); | |
6753 | } | |
6754 | ||
d62a17ae | 6755 | bgp_aggregate_free(aggregate); |
6756 | bgp_unlock_node(rn); | |
6757 | bgp_unlock_node(rn); | |
6758 | ||
6759 | return CMD_SUCCESS; | |
6760 | } | |
6761 | ||
6762 | static int bgp_aggregate_set(struct vty *vty, const char *prefix_str, afi_t afi, | |
20894f50 DA |
6763 | safi_t safi, const char *rmap, uint8_t summary_only, |
6764 | uint8_t as_set) | |
d62a17ae | 6765 | { |
6766 | VTY_DECLVAR_CONTEXT(bgp, bgp); | |
6767 | int ret; | |
6768 | struct prefix p; | |
6769 | struct bgp_node *rn; | |
6770 | struct bgp_aggregate *aggregate; | |
fb29348a | 6771 | uint8_t as_set_new = as_set; |
d62a17ae | 6772 | |
6773 | /* Convert string to prefix structure. */ | |
6774 | ret = str2prefix(prefix_str, &p); | |
6775 | if (!ret) { | |
6776 | vty_out(vty, "Malformed prefix\n"); | |
6777 | return CMD_WARNING_CONFIG_FAILED; | |
6778 | } | |
6779 | apply_mask(&p); | |
6780 | ||
3624ac81 DS |
6781 | if ((afi == AFI_IP && p.prefixlen == IPV4_MAX_BITLEN) || |
6782 | (afi == AFI_IP6 && p.prefixlen == IPV6_MAX_BITLEN)) { | |
6783 | vty_out(vty, "Specified prefix: %s will not result in any useful aggregation, disallowing\n", | |
6784 | prefix_str); | |
6785 | return CMD_WARNING_CONFIG_FAILED; | |
6786 | } | |
6787 | ||
d62a17ae | 6788 | /* Old configuration check. */ |
6789 | rn = bgp_node_get(bgp->aggregate[afi][safi], &p); | |
20894f50 | 6790 | aggregate = bgp_node_get_bgp_aggregate_info(rn); |
d62a17ae | 6791 | |
20894f50 | 6792 | if (aggregate) { |
d62a17ae | 6793 | vty_out(vty, "There is already same aggregate network.\n"); |
6794 | /* try to remove the old entry */ | |
6795 | ret = bgp_aggregate_unset(vty, prefix_str, afi, safi); | |
6796 | if (ret) { | |
6797 | vty_out(vty, "Error deleting aggregate.\n"); | |
6798 | bgp_unlock_node(rn); | |
6799 | return CMD_WARNING_CONFIG_FAILED; | |
6800 | } | |
6801 | } | |
718e3744 | 6802 | |
d62a17ae | 6803 | /* Make aggregate address structure. */ |
6804 | aggregate = bgp_aggregate_new(); | |
6805 | aggregate->summary_only = summary_only; | |
fb29348a DA |
6806 | |
6807 | /* Network operators MUST NOT locally generate any new | |
6808 | * announcements containing AS_SET or AS_CONFED_SET. If they have | |
6809 | * announced routes with AS_SET or AS_CONFED_SET in them, then they | |
6810 | * SHOULD withdraw those routes and re-announce routes for the | |
6811 | * aggregate or component prefixes (i.e., the more-specific routes | |
6812 | * subsumed by the previously aggregated route) without AS_SET | |
6813 | * or AS_CONFED_SET in the updates. | |
6814 | */ | |
6815 | if (bgp->reject_as_sets == BGP_REJECT_AS_SETS_ENABLED) { | |
6816 | if (as_set == AGGREGATE_AS_SET) { | |
6817 | as_set_new = AGGREGATE_AS_UNSET; | |
6818 | zlog_warn( | |
6819 | "%s: Ignoring as-set because `bgp reject-as-sets` is enabled.\n", | |
6820 | __func__); | |
6821 | vty_out(vty, | |
6822 | "Ignoring as-set because `bgp reject-as-sets` is enabled.\n"); | |
6823 | } | |
6824 | } | |
6825 | ||
6826 | aggregate->as_set = as_set_new; | |
d62a17ae | 6827 | aggregate->safi = safi; |
20894f50 DA |
6828 | |
6829 | if (rmap) { | |
6830 | XFREE(MTYPE_ROUTE_MAP_NAME, aggregate->rmap.name); | |
6831 | route_map_counter_decrement(aggregate->rmap.map); | |
6832 | aggregate->rmap.name = | |
6833 | XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap); | |
6834 | aggregate->rmap.map = route_map_lookup_by_name(rmap); | |
6835 | route_map_counter_increment(aggregate->rmap.map); | |
6836 | } | |
b613a918 | 6837 | bgp_node_set_bgp_aggregate_info(rn, aggregate); |
718e3744 | 6838 | |
d62a17ae | 6839 | /* Aggregate address insert into BGP routing table. */ |
fc968841 | 6840 | bgp_aggregate_route(bgp, &p, afi, safi, aggregate); |
718e3744 | 6841 | |
d62a17ae | 6842 | return CMD_SUCCESS; |
718e3744 | 6843 | } |
6844 | ||
6845 | DEFUN (aggregate_address, | |
6846 | aggregate_address_cmd, | |
20894f50 | 6847 | "aggregate-address A.B.C.D/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6848 | "Configure BGP aggregate entries\n" |
6849 | "Aggregate prefix\n" | |
6850 | "Generate AS set path information\n" | |
a636c635 DW |
6851 | "Filter more specific routes from updates\n" |
6852 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6853 | "Generate AS set path information\n" |
6854 | "Apply route map to aggregate network\n" | |
6855 | "Name of route map\n") | |
718e3744 | 6856 | { |
d62a17ae | 6857 | int idx = 0; |
6858 | argv_find(argv, argc, "A.B.C.D/M", &idx); | |
6859 | char *prefix = argv[idx]->arg; | |
20894f50 | 6860 | char *rmap = NULL; |
fb29348a DA |
6861 | int as_set = argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET |
6862 | : AGGREGATE_AS_UNSET; | |
d62a17ae | 6863 | idx = 0; |
6864 | int summary_only = argv_find(argv, argc, "summary-only", &idx) | |
6865 | ? AGGREGATE_SUMMARY_ONLY | |
6866 | : 0; | |
e3e6107d | 6867 | |
20894f50 DA |
6868 | idx = 0; |
6869 | argv_find(argv, argc, "WORD", &idx); | |
6870 | if (idx) | |
6871 | rmap = argv[idx]->arg; | |
6872 | ||
d62a17ae | 6873 | return bgp_aggregate_set(vty, prefix, AFI_IP, bgp_node_safi(vty), |
20894f50 | 6874 | rmap, summary_only, as_set); |
718e3744 | 6875 | } |
6876 | ||
e3e6107d QY |
6877 | DEFUN (aggregate_address_mask, |
6878 | aggregate_address_mask_cmd, | |
20894f50 | 6879 | "aggregate-address A.B.C.D A.B.C.D [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6880 | "Configure BGP aggregate entries\n" |
6881 | "Aggregate address\n" | |
6882 | "Aggregate mask\n" | |
6883 | "Generate AS set path information\n" | |
a636c635 DW |
6884 | "Filter more specific routes from updates\n" |
6885 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6886 | "Generate AS set path information\n" |
6887 | "Apply route map to aggregate network\n" | |
6888 | "Name of route map\n") | |
718e3744 | 6889 | { |
d62a17ae | 6890 | int idx = 0; |
6891 | argv_find(argv, argc, "A.B.C.D", &idx); | |
6892 | char *prefix = argv[idx]->arg; | |
6893 | char *mask = argv[idx + 1]->arg; | |
cf40d052 | 6894 | bool rmap_found; |
20894f50 | 6895 | char *rmap = NULL; |
fb29348a DA |
6896 | int as_set = argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET |
6897 | : AGGREGATE_AS_UNSET; | |
d62a17ae | 6898 | idx = 0; |
6899 | int summary_only = argv_find(argv, argc, "summary-only", &idx) | |
6900 | ? AGGREGATE_SUMMARY_ONLY | |
6901 | : 0; | |
6902 | ||
cf40d052 DS |
6903 | rmap_found = argv_find(argv, argc, "WORD", &idx); |
6904 | if (rmap_found) | |
20894f50 DA |
6905 | rmap = argv[idx]->arg; |
6906 | ||
d62a17ae | 6907 | char prefix_str[BUFSIZ]; |
6908 | int ret = netmask_str2prefix_str(prefix, mask, prefix_str); | |
6909 | ||
6910 | if (!ret) { | |
6911 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
6912 | return CMD_WARNING_CONFIG_FAILED; | |
6913 | } | |
718e3744 | 6914 | |
d62a17ae | 6915 | return bgp_aggregate_set(vty, prefix_str, AFI_IP, bgp_node_safi(vty), |
20894f50 | 6916 | rmap, summary_only, as_set); |
718e3744 | 6917 | } |
6918 | ||
718e3744 | 6919 | DEFUN (no_aggregate_address, |
6920 | no_aggregate_address_cmd, | |
b84da0db | 6921 | "no aggregate-address A.B.C.D/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6922 | NO_STR |
6923 | "Configure BGP aggregate entries\n" | |
a636c635 DW |
6924 | "Aggregate prefix\n" |
6925 | "Generate AS set path information\n" | |
e3e6107d QY |
6926 | "Filter more specific routes from updates\n" |
6927 | "Filter more specific routes from updates\n" | |
b84da0db DA |
6928 | "Generate AS set path information\n" |
6929 | "Apply route map to aggregate network\n" | |
6930 | "Name of route map\n") | |
718e3744 | 6931 | { |
d62a17ae | 6932 | int idx = 0; |
6933 | argv_find(argv, argc, "A.B.C.D/M", &idx); | |
6934 | char *prefix = argv[idx]->arg; | |
6935 | return bgp_aggregate_unset(vty, prefix, AFI_IP, bgp_node_safi(vty)); | |
718e3744 | 6936 | } |
6937 | ||
718e3744 | 6938 | DEFUN (no_aggregate_address_mask, |
6939 | no_aggregate_address_mask_cmd, | |
b84da0db | 6940 | "no aggregate-address A.B.C.D A.B.C.D [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6941 | NO_STR |
6942 | "Configure BGP aggregate entries\n" | |
6943 | "Aggregate address\n" | |
a636c635 DW |
6944 | "Aggregate mask\n" |
6945 | "Generate AS set path information\n" | |
e3e6107d QY |
6946 | "Filter more specific routes from updates\n" |
6947 | "Filter more specific routes from updates\n" | |
b84da0db DA |
6948 | "Generate AS set path information\n" |
6949 | "Apply route map to aggregate network\n" | |
6950 | "Name of route map\n") | |
718e3744 | 6951 | { |
d62a17ae | 6952 | int idx = 0; |
6953 | argv_find(argv, argc, "A.B.C.D", &idx); | |
6954 | char *prefix = argv[idx]->arg; | |
6955 | char *mask = argv[idx + 1]->arg; | |
718e3744 | 6956 | |
d62a17ae | 6957 | char prefix_str[BUFSIZ]; |
6958 | int ret = netmask_str2prefix_str(prefix, mask, prefix_str); | |
718e3744 | 6959 | |
d62a17ae | 6960 | if (!ret) { |
6961 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
6962 | return CMD_WARNING_CONFIG_FAILED; | |
6963 | } | |
718e3744 | 6964 | |
d62a17ae | 6965 | return bgp_aggregate_unset(vty, prefix_str, AFI_IP, bgp_node_safi(vty)); |
718e3744 | 6966 | } |
6967 | ||
718e3744 | 6968 | DEFUN (ipv6_aggregate_address, |
6969 | ipv6_aggregate_address_cmd, | |
20894f50 | 6970 | "aggregate-address X:X::X:X/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 6971 | "Configure BGP aggregate entries\n" |
6972 | "Aggregate prefix\n" | |
5101fece | 6973 | "Generate AS set path information\n" |
6974 | "Filter more specific routes from updates\n" | |
6975 | "Filter more specific routes from updates\n" | |
20894f50 DA |
6976 | "Generate AS set path information\n" |
6977 | "Apply route map to aggregate network\n" | |
6978 | "Name of route map\n") | |
718e3744 | 6979 | { |
d62a17ae | 6980 | int idx = 0; |
6981 | argv_find(argv, argc, "X:X::X:X/M", &idx); | |
6982 | char *prefix = argv[idx]->arg; | |
20894f50 | 6983 | char *rmap = NULL; |
273fae13 | 6984 | bool rmap_found; |
fb29348a DA |
6985 | int as_set = argv_find(argv, argc, "as-set", &idx) ? AGGREGATE_AS_SET |
6986 | : AGGREGATE_AS_UNSET; | |
5101fece | 6987 | |
6988 | idx = 0; | |
d62a17ae | 6989 | int sum_only = argv_find(argv, argc, "summary-only", &idx) |
6990 | ? AGGREGATE_SUMMARY_ONLY | |
6991 | : 0; | |
20894f50 | 6992 | |
273fae13 DA |
6993 | rmap_found = argv_find(argv, argc, "WORD", &idx); |
6994 | if (rmap_found) | |
20894f50 DA |
6995 | rmap = argv[idx]->arg; |
6996 | ||
6997 | return bgp_aggregate_set(vty, prefix, AFI_IP6, SAFI_UNICAST, rmap, | |
6998 | sum_only, as_set); | |
718e3744 | 6999 | } |
7000 | ||
7001 | DEFUN (no_ipv6_aggregate_address, | |
7002 | no_ipv6_aggregate_address_cmd, | |
b84da0db | 7003 | "no aggregate-address X:X::X:X/M [<as-set [summary-only]|summary-only [as-set]>] [route-map WORD]", |
718e3744 | 7004 | NO_STR |
7005 | "Configure BGP aggregate entries\n" | |
16cedbb0 | 7006 | "Aggregate prefix\n" |
5101fece | 7007 | "Generate AS set path information\n" |
7008 | "Filter more specific routes from updates\n" | |
7009 | "Filter more specific routes from updates\n" | |
b84da0db DA |
7010 | "Generate AS set path information\n" |
7011 | "Apply route map to aggregate network\n" | |
7012 | "Name of route map\n") | |
718e3744 | 7013 | { |
d62a17ae | 7014 | int idx = 0; |
7015 | argv_find(argv, argc, "X:X::X:X/M", &idx); | |
7016 | char *prefix = argv[idx]->arg; | |
7017 | return bgp_aggregate_unset(vty, prefix, AFI_IP6, SAFI_UNICAST); | |
718e3744 | 7018 | } |
7019 | ||
718e3744 | 7020 | /* Redistribute route treatment. */ |
d62a17ae | 7021 | void bgp_redistribute_add(struct bgp *bgp, struct prefix *p, |
9de1f7ff DS |
7022 | const union g_addr *nexthop, ifindex_t ifindex, |
7023 | enum nexthop_types_t nhtype, uint32_t metric, | |
d7c0a89a QY |
7024 | uint8_t type, unsigned short instance, |
7025 | route_tag_t tag) | |
d62a17ae | 7026 | { |
4b7e6066 | 7027 | struct bgp_path_info *new; |
40381db7 DS |
7028 | struct bgp_path_info *bpi; |
7029 | struct bgp_path_info rmap_path; | |
d62a17ae | 7030 | struct bgp_node *bn; |
7031 | struct attr attr; | |
7032 | struct attr *new_attr; | |
7033 | afi_t afi; | |
b68885f9 | 7034 | route_map_result_t ret; |
d62a17ae | 7035 | struct bgp_redist *red; |
7036 | ||
7037 | /* Make default attribute. */ | |
7038 | bgp_attr_default_set(&attr, BGP_ORIGIN_INCOMPLETE); | |
401b0636 DS |
7039 | /* |
7040 | * This must not be NULL to satisfy Coverity SA | |
7041 | */ | |
7042 | assert(attr.aspath); | |
9de1f7ff | 7043 | |
a4d82a8a | 7044 | switch (nhtype) { |
9de1f7ff DS |
7045 | case NEXTHOP_TYPE_IFINDEX: |
7046 | break; | |
7047 | case NEXTHOP_TYPE_IPV4: | |
7048 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
7049 | attr.nexthop = nexthop->ipv4; | |
7050 | break; | |
7051 | case NEXTHOP_TYPE_IPV6: | |
7052 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
7053 | attr.mp_nexthop_global = nexthop->ipv6; | |
7054 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; | |
7055 | break; | |
7056 | case NEXTHOP_TYPE_BLACKHOLE: | |
74489921 RW |
7057 | switch (p->family) { |
7058 | case AF_INET: | |
9de1f7ff | 7059 | attr.nexthop.s_addr = INADDR_ANY; |
74489921 RW |
7060 | break; |
7061 | case AF_INET6: | |
9de1f7ff DS |
7062 | memset(&attr.mp_nexthop_global, 0, |
7063 | sizeof(attr.mp_nexthop_global)); | |
74489921 | 7064 | attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; |
9de1f7ff | 7065 | break; |
74489921 | 7066 | } |
9de1f7ff | 7067 | break; |
d62a17ae | 7068 | } |
74489921 | 7069 | attr.nh_ifindex = ifindex; |
f04a80a5 | 7070 | |
d62a17ae | 7071 | attr.med = metric; |
7072 | attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); | |
7073 | attr.tag = tag; | |
718e3744 | 7074 | |
d62a17ae | 7075 | afi = family2afi(p->family); |
6aeb9e78 | 7076 | |
d62a17ae | 7077 | red = bgp_redist_lookup(bgp, afi, type, instance); |
7078 | if (red) { | |
7079 | struct attr attr_new; | |
718e3744 | 7080 | |
d62a17ae | 7081 | /* Copy attribute for modification. */ |
6f4f49b2 | 7082 | attr_new = attr; |
718e3744 | 7083 | |
d62a17ae | 7084 | if (red->redist_metric_flag) |
7085 | attr_new.med = red->redist_metric; | |
718e3744 | 7086 | |
d62a17ae | 7087 | /* Apply route-map. */ |
7088 | if (red->rmap.name) { | |
40381db7 DS |
7089 | memset(&rmap_path, 0, sizeof(struct bgp_path_info)); |
7090 | rmap_path.peer = bgp->peer_self; | |
7091 | rmap_path.attr = &attr_new; | |
718e3744 | 7092 | |
d62a17ae | 7093 | SET_FLAG(bgp->peer_self->rmap_type, |
7094 | PEER_RMAP_TYPE_REDISTRIBUTE); | |
7095 | ||
7096 | ret = route_map_apply(red->rmap.map, p, RMAP_BGP, | |
40381db7 | 7097 | &rmap_path); |
d62a17ae | 7098 | |
7099 | bgp->peer_self->rmap_type = 0; | |
7100 | ||
7101 | if (ret == RMAP_DENYMATCH) { | |
7102 | /* Free uninterned attribute. */ | |
7103 | bgp_attr_flush(&attr_new); | |
7104 | ||
7105 | /* Unintern original. */ | |
7106 | aspath_unintern(&attr.aspath); | |
7107 | bgp_redistribute_delete(bgp, p, type, instance); | |
7108 | return; | |
7109 | } | |
7110 | } | |
7111 | ||
7f323236 DW |
7112 | if (bgp_flag_check(bgp, BGP_FLAG_GRACEFUL_SHUTDOWN)) |
7113 | bgp_attr_add_gshut_community(&attr_new); | |
7114 | ||
d62a17ae | 7115 | bn = bgp_afi_node_get(bgp->rib[afi][SAFI_UNICAST], afi, |
7116 | SAFI_UNICAST, p, NULL); | |
7117 | ||
7118 | new_attr = bgp_attr_intern(&attr_new); | |
7119 | ||
6f94b685 DS |
7120 | for (bpi = bgp_node_get_bgp_path_info(bn); bpi; |
7121 | bpi = bpi->next) | |
40381db7 DS |
7122 | if (bpi->peer == bgp->peer_self |
7123 | && bpi->sub_type == BGP_ROUTE_REDISTRIBUTE) | |
d62a17ae | 7124 | break; |
7125 | ||
40381db7 | 7126 | if (bpi) { |
d62a17ae | 7127 | /* Ensure the (source route) type is updated. */ |
40381db7 DS |
7128 | bpi->type = type; |
7129 | if (attrhash_cmp(bpi->attr, new_attr) | |
7130 | && !CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) { | |
d62a17ae | 7131 | bgp_attr_unintern(&new_attr); |
7132 | aspath_unintern(&attr.aspath); | |
7133 | bgp_unlock_node(bn); | |
7134 | return; | |
7135 | } else { | |
7136 | /* The attribute is changed. */ | |
40381db7 | 7137 | bgp_path_info_set_flag(bn, bpi, |
18ee8310 | 7138 | BGP_PATH_ATTR_CHANGED); |
d62a17ae | 7139 | |
7140 | /* Rewrite BGP route information. */ | |
40381db7 DS |
7141 | if (CHECK_FLAG(bpi->flags, BGP_PATH_REMOVED)) |
7142 | bgp_path_info_restore(bn, bpi); | |
d62a17ae | 7143 | else |
40381db7 DS |
7144 | bgp_aggregate_decrement( |
7145 | bgp, p, bpi, afi, SAFI_UNICAST); | |
7146 | bgp_attr_unintern(&bpi->attr); | |
7147 | bpi->attr = new_attr; | |
7148 | bpi->uptime = bgp_clock(); | |
d62a17ae | 7149 | |
7150 | /* Process change. */ | |
40381db7 | 7151 | bgp_aggregate_increment(bgp, p, bpi, afi, |
d62a17ae | 7152 | SAFI_UNICAST); |
7153 | bgp_process(bgp, bn, afi, SAFI_UNICAST); | |
7154 | bgp_unlock_node(bn); | |
7155 | aspath_unintern(&attr.aspath); | |
ddb5b488 PZ |
7156 | |
7157 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
7158 | || (bgp->inst_type | |
7159 | == BGP_INSTANCE_TYPE_DEFAULT)) { | |
7160 | ||
7161 | vpn_leak_from_vrf_update( | |
40381db7 | 7162 | bgp_get_default(), bgp, bpi); |
ddb5b488 | 7163 | } |
d62a17ae | 7164 | return; |
7165 | } | |
7166 | } | |
7167 | ||
7168 | new = info_make(type, BGP_ROUTE_REDISTRIBUTE, instance, | |
7169 | bgp->peer_self, new_attr, bn); | |
1defdda8 | 7170 | SET_FLAG(new->flags, BGP_PATH_VALID); |
d62a17ae | 7171 | |
7172 | bgp_aggregate_increment(bgp, p, new, afi, SAFI_UNICAST); | |
18ee8310 | 7173 | bgp_path_info_add(bn, new); |
d62a17ae | 7174 | bgp_unlock_node(bn); |
7175 | bgp_process(bgp, bn, afi, SAFI_UNICAST); | |
ddb5b488 PZ |
7176 | |
7177 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) | |
7178 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
7179 | ||
7180 | vpn_leak_from_vrf_update(bgp_get_default(), bgp, new); | |
7181 | } | |
d62a17ae | 7182 | } |
7183 | ||
7184 | /* Unintern original. */ | |
7185 | aspath_unintern(&attr.aspath); | |
718e3744 | 7186 | } |
7187 | ||
d7c0a89a QY |
7188 | void bgp_redistribute_delete(struct bgp *bgp, struct prefix *p, uint8_t type, |
7189 | unsigned short instance) | |
718e3744 | 7190 | { |
d62a17ae | 7191 | afi_t afi; |
7192 | struct bgp_node *rn; | |
40381db7 | 7193 | struct bgp_path_info *pi; |
d62a17ae | 7194 | struct bgp_redist *red; |
718e3744 | 7195 | |
d62a17ae | 7196 | afi = family2afi(p->family); |
718e3744 | 7197 | |
d62a17ae | 7198 | red = bgp_redist_lookup(bgp, afi, type, instance); |
7199 | if (red) { | |
7200 | rn = bgp_afi_node_get(bgp->rib[afi][SAFI_UNICAST], afi, | |
7201 | SAFI_UNICAST, p, NULL); | |
7202 | ||
6f94b685 | 7203 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 | 7204 | if (pi->peer == bgp->peer_self && pi->type == type) |
d62a17ae | 7205 | break; |
7206 | ||
40381db7 | 7207 | if (pi) { |
ddb5b488 PZ |
7208 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) |
7209 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
7210 | ||
7211 | vpn_leak_from_vrf_withdraw(bgp_get_default(), | |
40381db7 | 7212 | bgp, pi); |
ddb5b488 | 7213 | } |
40381db7 DS |
7214 | bgp_aggregate_decrement(bgp, p, pi, afi, SAFI_UNICAST); |
7215 | bgp_path_info_delete(rn, pi); | |
d62a17ae | 7216 | bgp_process(bgp, rn, afi, SAFI_UNICAST); |
7217 | } | |
7218 | bgp_unlock_node(rn); | |
7219 | } | |
7220 | } | |
7221 | ||
7222 | /* Withdraw specified route type's route. */ | |
7223 | void bgp_redistribute_withdraw(struct bgp *bgp, afi_t afi, int type, | |
d7c0a89a | 7224 | unsigned short instance) |
d62a17ae | 7225 | { |
7226 | struct bgp_node *rn; | |
40381db7 | 7227 | struct bgp_path_info *pi; |
d62a17ae | 7228 | struct bgp_table *table; |
7229 | ||
7230 | table = bgp->rib[afi][SAFI_UNICAST]; | |
7231 | ||
7232 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { | |
6f94b685 | 7233 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) |
40381db7 DS |
7234 | if (pi->peer == bgp->peer_self && pi->type == type |
7235 | && pi->instance == instance) | |
d62a17ae | 7236 | break; |
7237 | ||
40381db7 | 7238 | if (pi) { |
ddb5b488 PZ |
7239 | if ((bgp->inst_type == BGP_INSTANCE_TYPE_VRF) |
7240 | || (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT)) { | |
7241 | ||
7242 | vpn_leak_from_vrf_withdraw(bgp_get_default(), | |
40381db7 | 7243 | bgp, pi); |
ddb5b488 | 7244 | } |
40381db7 | 7245 | bgp_aggregate_decrement(bgp, &rn->p, pi, afi, |
d62a17ae | 7246 | SAFI_UNICAST); |
40381db7 | 7247 | bgp_path_info_delete(rn, pi); |
d62a17ae | 7248 | bgp_process(bgp, rn, afi, SAFI_UNICAST); |
7249 | } | |
718e3744 | 7250 | } |
718e3744 | 7251 | } |
6b0655a2 | 7252 | |
718e3744 | 7253 | /* Static function to display route. */ |
9c92b5f7 MK |
7254 | static void route_vty_out_route(struct prefix *p, struct vty *vty, |
7255 | json_object *json) | |
718e3744 | 7256 | { |
be054588 | 7257 | int len = 0; |
d62a17ae | 7258 | char buf[BUFSIZ]; |
50e05855 | 7259 | char buf2[BUFSIZ]; |
718e3744 | 7260 | |
d62a17ae | 7261 | if (p->family == AF_INET) { |
c6462ff4 | 7262 | if (!json) { |
89e5e9f0 PM |
7263 | len = vty_out( |
7264 | vty, "%s/%d", | |
7265 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
7266 | p->prefixlen); | |
c6462ff4 MK |
7267 | } else { |
7268 | json_object_string_add(json, "prefix", | |
7269 | inet_ntop(p->family, | |
7270 | &p->u.prefix, buf, | |
7271 | BUFSIZ)); | |
7272 | json_object_int_add(json, "prefixLen", p->prefixlen); | |
37d4e0df | 7273 | prefix2str(p, buf2, PREFIX_STRLEN); |
50e05855 | 7274 | json_object_string_add(json, "network", buf2); |
c6462ff4 | 7275 | } |
d62a17ae | 7276 | } else if (p->family == AF_ETHERNET) { |
b03b8898 DS |
7277 | prefix2str(p, buf, PREFIX_STRLEN); |
7278 | len = vty_out(vty, "%s", buf); | |
7279 | } else if (p->family == AF_EVPN) { | |
57f7feb6 | 7280 | if (!json) |
60466a63 QY |
7281 | len = vty_out( |
7282 | vty, "%s", | |
7283 | bgp_evpn_route2str((struct prefix_evpn *)p, buf, | |
7284 | BUFSIZ)); | |
57f7feb6 | 7285 | else |
60466a63 | 7286 | bgp_evpn_route2json((struct prefix_evpn *)p, json); |
dba3c1d3 PG |
7287 | } else if (p->family == AF_FLOWSPEC) { |
7288 | route_vty_out_flowspec(vty, p, NULL, | |
d33fc23b PG |
7289 | json ? |
7290 | NLRI_STRING_FORMAT_JSON_SIMPLE : | |
7291 | NLRI_STRING_FORMAT_MIN, json); | |
9c92b5f7 | 7292 | } else { |
c6462ff4 | 7293 | if (!json) |
60466a63 QY |
7294 | len = vty_out( |
7295 | vty, "%s/%d", | |
7296 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
7297 | p->prefixlen); | |
50e05855 AD |
7298 | else { |
7299 | json_object_string_add(json, "prefix", | |
7300 | inet_ntop(p->family, | |
7301 | &p->u.prefix, buf, | |
7302 | BUFSIZ)); | |
7303 | json_object_int_add(json, "prefixLen", p->prefixlen); | |
37d4e0df AD |
7304 | prefix2str(p, buf2, PREFIX_STRLEN); |
7305 | json_object_string_add(json, "network", buf2); | |
7306 | } | |
9c92b5f7 | 7307 | } |
d62a17ae | 7308 | |
9c92b5f7 MK |
7309 | if (!json) { |
7310 | len = 17 - len; | |
7311 | if (len < 1) | |
7312 | vty_out(vty, "\n%*s", 20, " "); | |
7313 | else | |
7314 | vty_out(vty, "%*s", len, " "); | |
7315 | } | |
718e3744 | 7316 | } |
7317 | ||
d62a17ae | 7318 | enum bgp_display_type { |
7319 | normal_list, | |
718e3744 | 7320 | }; |
7321 | ||
18ee8310 | 7322 | /* Print the short form route status for a bgp_path_info */ |
4b7e6066 | 7323 | static void route_vty_short_status_out(struct vty *vty, |
9b6d8fcf | 7324 | struct bgp_path_info *path, |
d62a17ae | 7325 | json_object *json_path) |
718e3744 | 7326 | { |
d62a17ae | 7327 | if (json_path) { |
b05a1c8b | 7328 | |
d62a17ae | 7329 | /* Route status display. */ |
9b6d8fcf | 7330 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) |
d62a17ae | 7331 | json_object_boolean_true_add(json_path, "removed"); |
b05a1c8b | 7332 | |
9b6d8fcf | 7333 | if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) |
d62a17ae | 7334 | json_object_boolean_true_add(json_path, "stale"); |
b05a1c8b | 7335 | |
9b6d8fcf | 7336 | if (path->extra && path->extra->suppress) |
d62a17ae | 7337 | json_object_boolean_true_add(json_path, "suppressed"); |
b05a1c8b | 7338 | |
9b6d8fcf DS |
7339 | if (CHECK_FLAG(path->flags, BGP_PATH_VALID) |
7340 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) | |
d62a17ae | 7341 | json_object_boolean_true_add(json_path, "valid"); |
b05a1c8b | 7342 | |
d62a17ae | 7343 | /* Selected */ |
9b6d8fcf | 7344 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) |
d62a17ae | 7345 | json_object_boolean_true_add(json_path, "history"); |
b05a1c8b | 7346 | |
9b6d8fcf | 7347 | if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) |
d62a17ae | 7348 | json_object_boolean_true_add(json_path, "damped"); |
b05a1c8b | 7349 | |
9b6d8fcf | 7350 | if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) |
d62a17ae | 7351 | json_object_boolean_true_add(json_path, "bestpath"); |
b05a1c8b | 7352 | |
9b6d8fcf | 7353 | if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH)) |
d62a17ae | 7354 | json_object_boolean_true_add(json_path, "multipath"); |
b05a1c8b | 7355 | |
d62a17ae | 7356 | /* Internal route. */ |
9b6d8fcf DS |
7357 | if ((path->peer->as) |
7358 | && (path->peer->as == path->peer->local_as)) | |
d62a17ae | 7359 | json_object_string_add(json_path, "pathFrom", |
7360 | "internal"); | |
7361 | else | |
7362 | json_object_string_add(json_path, "pathFrom", | |
7363 | "external"); | |
b05a1c8b | 7364 | |
d62a17ae | 7365 | return; |
7366 | } | |
b05a1c8b | 7367 | |
d62a17ae | 7368 | /* Route status display. */ |
9b6d8fcf | 7369 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) |
d62a17ae | 7370 | vty_out(vty, "R"); |
9b6d8fcf | 7371 | else if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) |
d62a17ae | 7372 | vty_out(vty, "S"); |
9b6d8fcf | 7373 | else if (path->extra && path->extra->suppress) |
d62a17ae | 7374 | vty_out(vty, "s"); |
9b6d8fcf DS |
7375 | else if (CHECK_FLAG(path->flags, BGP_PATH_VALID) |
7376 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) | |
d62a17ae | 7377 | vty_out(vty, "*"); |
7378 | else | |
7379 | vty_out(vty, " "); | |
7380 | ||
7381 | /* Selected */ | |
9b6d8fcf | 7382 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) |
d62a17ae | 7383 | vty_out(vty, "h"); |
9b6d8fcf | 7384 | else if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) |
d62a17ae | 7385 | vty_out(vty, "d"); |
9b6d8fcf | 7386 | else if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) |
d62a17ae | 7387 | vty_out(vty, ">"); |
9b6d8fcf | 7388 | else if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH)) |
d62a17ae | 7389 | vty_out(vty, "="); |
7390 | else | |
7391 | vty_out(vty, " "); | |
718e3744 | 7392 | |
d62a17ae | 7393 | /* Internal route. */ |
9b6d8fcf DS |
7394 | if (path->peer && (path->peer->as) |
7395 | && (path->peer->as == path->peer->local_as)) | |
d62a17ae | 7396 | vty_out(vty, "i"); |
7397 | else | |
7398 | vty_out(vty, " "); | |
b40d939b | 7399 | } |
7400 | ||
515c2602 | 7401 | static char *bgp_nexthop_hostname(struct peer *peer, struct attr *attr) |
25b5da8d | 7402 | { |
515c2602 DA |
7403 | if (peer->hostname && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME) |
7404 | && !(attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID))) | |
25b5da8d DA |
7405 | return peer->hostname; |
7406 | return NULL; | |
7407 | } | |
7408 | ||
b40d939b | 7409 | /* called from terminal list command */ |
4b7e6066 | 7410 | void route_vty_out(struct vty *vty, struct prefix *p, |
9b6d8fcf | 7411 | struct bgp_path_info *path, int display, safi_t safi, |
4b7e6066 | 7412 | json_object *json_paths) |
d62a17ae | 7413 | { |
515c2602 | 7414 | struct attr *attr = path->attr; |
d62a17ae | 7415 | json_object *json_path = NULL; |
7416 | json_object *json_nexthops = NULL; | |
7417 | json_object *json_nexthop_global = NULL; | |
7418 | json_object *json_nexthop_ll = NULL; | |
6f214dd3 | 7419 | json_object *json_ext_community = NULL; |
9df8b37c | 7420 | char vrf_id_str[VRF_NAMSIZ] = {0}; |
1defdda8 | 7421 | bool nexthop_self = |
9b6d8fcf | 7422 | CHECK_FLAG(path->flags, BGP_PATH_ANNC_NH_SELF) ? true : false; |
9df8b37c | 7423 | bool nexthop_othervrf = false; |
43089216 | 7424 | vrf_id_t nexthop_vrfid = VRF_DEFAULT; |
4d97eea6 | 7425 | const char *nexthop_vrfname = VRF_DEFAULT_NAME; |
515c2602 | 7426 | char *nexthop_hostname = bgp_nexthop_hostname(path->peer, attr); |
d62a17ae | 7427 | |
7428 | if (json_paths) | |
7429 | json_path = json_object_new_object(); | |
7430 | ||
7431 | /* short status lead text */ | |
9b6d8fcf | 7432 | route_vty_short_status_out(vty, path, json_path); |
d62a17ae | 7433 | |
7434 | if (!json_paths) { | |
7435 | /* print prefix and mask */ | |
7436 | if (!display) | |
9c92b5f7 | 7437 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 7438 | else |
7439 | vty_out(vty, "%*s", 17, " "); | |
9c92b5f7 | 7440 | } else { |
b682f6de | 7441 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 7442 | } |
47fc97cc | 7443 | |
9df8b37c PZ |
7444 | /* |
7445 | * If vrf id of nexthop is different from that of prefix, | |
7446 | * set up printable string to append | |
7447 | */ | |
9b6d8fcf | 7448 | if (path->extra && path->extra->bgp_orig) { |
9df8b37c PZ |
7449 | const char *self = ""; |
7450 | ||
7451 | if (nexthop_self) | |
7452 | self = "<"; | |
7453 | ||
7454 | nexthop_othervrf = true; | |
9b6d8fcf | 7455 | nexthop_vrfid = path->extra->bgp_orig->vrf_id; |
9df8b37c | 7456 | |
9b6d8fcf | 7457 | if (path->extra->bgp_orig->vrf_id == VRF_UNKNOWN) |
9df8b37c PZ |
7458 | snprintf(vrf_id_str, sizeof(vrf_id_str), |
7459 | "@%s%s", VRFID_NONE_STR, self); | |
7460 | else | |
7461 | snprintf(vrf_id_str, sizeof(vrf_id_str), "@%u%s", | |
9b6d8fcf | 7462 | path->extra->bgp_orig->vrf_id, self); |
9df8b37c | 7463 | |
9b6d8fcf DS |
7464 | if (path->extra->bgp_orig->inst_type |
7465 | != BGP_INSTANCE_TYPE_DEFAULT) | |
9df8b37c | 7466 | |
9b6d8fcf | 7467 | nexthop_vrfname = path->extra->bgp_orig->name; |
9df8b37c PZ |
7468 | } else { |
7469 | const char *self = ""; | |
7470 | ||
7471 | if (nexthop_self) | |
7472 | self = "<"; | |
7473 | ||
7474 | snprintf(vrf_id_str, sizeof(vrf_id_str), "%s", self); | |
7475 | } | |
7476 | ||
445c2480 DS |
7477 | /* |
7478 | * For ENCAP and EVPN routes, nexthop address family is not | |
7479 | * neccessarily the same as the prefix address family. | |
7480 | * Both SAFI_MPLS_VPN and SAFI_ENCAP use the MP nexthop field | |
7481 | * EVPN routes are also exchanged with a MP nexthop. Currently, | |
7482 | * this | |
7483 | * is only IPv4, the value will be present in either | |
7484 | * attr->nexthop or | |
7485 | * attr->mp_nexthop_global_in | |
7486 | */ | |
7487 | if ((safi == SAFI_ENCAP) || (safi == SAFI_MPLS_VPN)) { | |
7488 | char buf[BUFSIZ]; | |
7489 | char nexthop[128]; | |
7490 | int af = NEXTHOP_FAMILY(attr->mp_nexthop_len); | |
7491 | ||
7492 | switch (af) { | |
7493 | case AF_INET: | |
7494 | sprintf(nexthop, "%s", | |
a4d82a8a PZ |
7495 | inet_ntop(af, &attr->mp_nexthop_global_in, buf, |
7496 | BUFSIZ)); | |
445c2480 DS |
7497 | break; |
7498 | case AF_INET6: | |
7499 | sprintf(nexthop, "%s", | |
a4d82a8a PZ |
7500 | inet_ntop(af, &attr->mp_nexthop_global, buf, |
7501 | BUFSIZ)); | |
445c2480 DS |
7502 | break; |
7503 | default: | |
7504 | sprintf(nexthop, "?"); | |
7505 | break; | |
d62a17ae | 7506 | } |
d62a17ae | 7507 | |
445c2480 DS |
7508 | if (json_paths) { |
7509 | json_nexthop_global = json_object_new_object(); | |
7510 | ||
515c2602 DA |
7511 | json_object_string_add(json_nexthop_global, "ip", |
7512 | nexthop); | |
7513 | ||
7514 | if (nexthop_hostname) | |
7515 | json_object_string_add(json_nexthop_global, | |
7516 | "hostname", | |
7517 | nexthop_hostname); | |
7518 | ||
7519 | json_object_string_add(json_nexthop_global, "afi", | |
7520 | (af == AF_INET) ? "ipv4" | |
7521 | : "ipv6"); | |
445c2480 DS |
7522 | json_object_boolean_true_add(json_nexthop_global, |
7523 | "used"); | |
7524 | } else | |
25b5da8d | 7525 | vty_out(vty, "%s%s", |
515c2602 | 7526 | nexthop_hostname ? nexthop_hostname : nexthop, |
25b5da8d | 7527 | vrf_id_str); |
445c2480 DS |
7528 | } else if (safi == SAFI_EVPN) { |
7529 | if (json_paths) { | |
7530 | json_nexthop_global = json_object_new_object(); | |
7531 | ||
515c2602 DA |
7532 | json_object_string_add(json_nexthop_global, "ip", |
7533 | inet_ntoa(attr->nexthop)); | |
7534 | ||
7535 | if (nexthop_hostname) | |
7536 | json_object_string_add(json_nexthop_global, | |
7537 | "hostname", | |
7538 | nexthop_hostname); | |
7539 | ||
a4d82a8a PZ |
7540 | json_object_string_add(json_nexthop_global, "afi", |
7541 | "ipv4"); | |
445c2480 DS |
7542 | json_object_boolean_true_add(json_nexthop_global, |
7543 | "used"); | |
7544 | } else | |
25b5da8d | 7545 | vty_out(vty, "%-16s%s", |
515c2602 DA |
7546 | nexthop_hostname ? nexthop_hostname |
7547 | : inet_ntoa(attr->nexthop), | |
9df8b37c | 7548 | vrf_id_str); |
d33fc23b | 7549 | } else if (safi == SAFI_FLOWSPEC) { |
026b914a PG |
7550 | if (attr->nexthop.s_addr != 0) { |
7551 | if (json_paths) { | |
7552 | json_nexthop_global = json_object_new_object(); | |
515c2602 | 7553 | |
026b914a PG |
7554 | json_object_string_add(json_nexthop_global, |
7555 | "afi", "ipv4"); | |
515c2602 DA |
7556 | json_object_string_add( |
7557 | json_nexthop_global, "ip", | |
7558 | inet_ntoa(attr->nexthop)); | |
7559 | ||
7560 | if (nexthop_hostname) | |
7561 | json_object_string_add( | |
7562 | json_nexthop_global, "hostname", | |
7563 | nexthop_hostname); | |
7564 | ||
50e05855 AD |
7565 | json_object_boolean_true_add( |
7566 | json_nexthop_global, | |
026b914a PG |
7567 | "used"); |
7568 | } else { | |
25b5da8d | 7569 | vty_out(vty, "%-16s", |
515c2602 DA |
7570 | nexthop_hostname |
7571 | ? nexthop_hostname | |
25b5da8d | 7572 | : inet_ntoa(attr->nexthop)); |
026b914a PG |
7573 | } |
7574 | } | |
d33fc23b | 7575 | } else if (p->family == AF_INET && !BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { |
445c2480 DS |
7576 | if (json_paths) { |
7577 | json_nexthop_global = json_object_new_object(); | |
d62a17ae | 7578 | |
515c2602 DA |
7579 | json_object_string_add(json_nexthop_global, "ip", |
7580 | inet_ntoa(attr->nexthop)); | |
7581 | ||
7582 | if (nexthop_hostname) | |
7583 | json_object_string_add(json_nexthop_global, | |
7584 | "hostname", | |
7585 | nexthop_hostname); | |
445c2480 | 7586 | |
a4d82a8a PZ |
7587 | json_object_string_add(json_nexthop_global, "afi", |
7588 | "ipv4"); | |
445c2480 DS |
7589 | json_object_boolean_true_add(json_nexthop_global, |
7590 | "used"); | |
7591 | } else { | |
9df8b37c PZ |
7592 | char buf[BUFSIZ]; |
7593 | ||
d87ff2dd | 7594 | snprintf(buf, sizeof(buf), "%s%s", |
515c2602 DA |
7595 | nexthop_hostname ? nexthop_hostname |
7596 | : inet_ntoa(attr->nexthop), | |
25b5da8d | 7597 | vrf_id_str); |
9df8b37c | 7598 | vty_out(vty, "%-16s", buf); |
d62a17ae | 7599 | } |
445c2480 | 7600 | } |
b05a1c8b | 7601 | |
445c2480 | 7602 | /* IPv6 Next Hop */ |
a4d82a8a | 7603 | else if (p->family == AF_INET6 || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { |
445c2480 DS |
7604 | int len; |
7605 | char buf[BUFSIZ]; | |
d62a17ae | 7606 | |
445c2480 DS |
7607 | if (json_paths) { |
7608 | json_nexthop_global = json_object_new_object(); | |
a4d82a8a | 7609 | json_object_string_add( |
515c2602 DA |
7610 | json_nexthop_global, "ip", |
7611 | inet_ntop(AF_INET6, &attr->mp_nexthop_global, | |
7612 | buf, BUFSIZ)); | |
7613 | ||
7614 | if (nexthop_hostname) | |
7615 | json_object_string_add(json_nexthop_global, | |
7616 | "hostname", | |
7617 | nexthop_hostname); | |
7618 | ||
a4d82a8a PZ |
7619 | json_object_string_add(json_nexthop_global, "afi", |
7620 | "ipv6"); | |
7621 | json_object_string_add(json_nexthop_global, "scope", | |
7622 | "global"); | |
445c2480 DS |
7623 | |
7624 | /* We display both LL & GL if both have been | |
7625 | * received */ | |
0606039c DA |
7626 | if ((attr->mp_nexthop_len |
7627 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) | |
9b6d8fcf | 7628 | || (path->peer->conf_if)) { |
a4d82a8a | 7629 | json_nexthop_ll = json_object_new_object(); |
d62a17ae | 7630 | json_object_string_add( |
515c2602 DA |
7631 | json_nexthop_ll, "ip", |
7632 | inet_ntop(AF_INET6, | |
7633 | &attr->mp_nexthop_local, buf, | |
7634 | BUFSIZ)); | |
7635 | ||
7636 | if (nexthop_hostname) | |
7637 | json_object_string_add( | |
7638 | json_nexthop_ll, "hostname", | |
7639 | nexthop_hostname); | |
7640 | ||
a4d82a8a PZ |
7641 | json_object_string_add(json_nexthop_ll, "afi", |
7642 | "ipv6"); | |
7643 | json_object_string_add(json_nexthop_ll, "scope", | |
445c2480 | 7644 | "link-local"); |
d62a17ae | 7645 | |
a4d82a8a PZ |
7646 | if ((IPV6_ADDR_CMP(&attr->mp_nexthop_global, |
7647 | &attr->mp_nexthop_local) | |
445c2480 DS |
7648 | != 0) |
7649 | && !attr->mp_nexthop_prefer_global) | |
d62a17ae | 7650 | json_object_boolean_true_add( |
a4d82a8a | 7651 | json_nexthop_ll, "used"); |
445c2480 DS |
7652 | else |
7653 | json_object_boolean_true_add( | |
a4d82a8a | 7654 | json_nexthop_global, "used"); |
445c2480 DS |
7655 | } else |
7656 | json_object_boolean_true_add( | |
7657 | json_nexthop_global, "used"); | |
7658 | } else { | |
7659 | /* Display LL if LL/Global both in table unless | |
7660 | * prefer-global is set */ | |
0606039c DA |
7661 | if (((attr->mp_nexthop_len |
7662 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) | |
445c2480 | 7663 | && !attr->mp_nexthop_prefer_global) |
9b6d8fcf DS |
7664 | || (path->peer->conf_if)) { |
7665 | if (path->peer->conf_if) { | |
a4d82a8a | 7666 | len = vty_out(vty, "%s", |
9b6d8fcf | 7667 | path->peer->conf_if); |
445c2480 DS |
7668 | len = 16 - len; /* len of IPv6 |
7669 | addr + max | |
7670 | len of def | |
7671 | ifname */ | |
7672 | ||
7673 | if (len < 1) | |
a4d82a8a | 7674 | vty_out(vty, "\n%*s", 36, " "); |
445c2480 | 7675 | else |
a4d82a8a | 7676 | vty_out(vty, "%*s", len, " "); |
d62a17ae | 7677 | } else { |
7678 | len = vty_out( | |
9df8b37c | 7679 | vty, "%s%s", |
515c2602 DA |
7680 | nexthop_hostname |
7681 | ? nexthop_hostname | |
25b5da8d DA |
7682 | : inet_ntop( |
7683 | AF_INET6, | |
7684 | &attr->mp_nexthop_local, | |
7685 | buf, BUFSIZ), | |
9df8b37c | 7686 | vrf_id_str); |
d62a17ae | 7687 | len = 16 - len; |
7688 | ||
7689 | if (len < 1) | |
a4d82a8a | 7690 | vty_out(vty, "\n%*s", 36, " "); |
d62a17ae | 7691 | else |
a4d82a8a | 7692 | vty_out(vty, "%*s", len, " "); |
d62a17ae | 7693 | } |
445c2480 | 7694 | } else { |
a4d82a8a | 7695 | len = vty_out( |
9df8b37c | 7696 | vty, "%s%s", |
515c2602 DA |
7697 | nexthop_hostname |
7698 | ? nexthop_hostname | |
25b5da8d DA |
7699 | : inet_ntop( |
7700 | AF_INET6, | |
7701 | &attr->mp_nexthop_global, | |
7702 | buf, BUFSIZ), | |
7703 | vrf_id_str); | |
445c2480 DS |
7704 | len = 16 - len; |
7705 | ||
7706 | if (len < 1) | |
7707 | vty_out(vty, "\n%*s", 36, " "); | |
7708 | else | |
7709 | vty_out(vty, "%*s", len, " "); | |
d62a17ae | 7710 | } |
7711 | } | |
445c2480 | 7712 | } |
718e3744 | 7713 | |
445c2480 DS |
7714 | /* MED/Metric */ |
7715 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
50e05855 AD |
7716 | if (json_paths) { |
7717 | ||
7718 | /* | |
7719 | * Adding "metric" field to match with corresponding | |
7720 | * CLI. "med" will be deprecated in future. | |
7721 | */ | |
a4d82a8a | 7722 | json_object_int_add(json_path, "med", attr->med); |
50e05855 AD |
7723 | json_object_int_add(json_path, "metric", attr->med); |
7724 | } else | |
445c2480 DS |
7725 | vty_out(vty, "%10u", attr->med); |
7726 | else if (!json_paths) | |
7727 | vty_out(vty, " "); | |
d62a17ae | 7728 | |
445c2480 DS |
7729 | /* Local Pref */ |
7730 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) | |
50e05855 AD |
7731 | if (json_paths) { |
7732 | ||
7733 | /* | |
7734 | * Adding "locPrf" field to match with corresponding | |
7735 | * CLI. "localPref" will be deprecated in future. | |
7736 | */ | |
445c2480 DS |
7737 | json_object_int_add(json_path, "localpref", |
7738 | attr->local_pref); | |
50e05855 AD |
7739 | json_object_int_add(json_path, "locPrf", |
7740 | attr->local_pref); | |
7741 | } else | |
445c2480 DS |
7742 | vty_out(vty, "%7u", attr->local_pref); |
7743 | else if (!json_paths) | |
7744 | vty_out(vty, " "); | |
d62a17ae | 7745 | |
445c2480 DS |
7746 | if (json_paths) |
7747 | json_object_int_add(json_path, "weight", attr->weight); | |
7748 | else | |
7749 | vty_out(vty, "%7u ", attr->weight); | |
47fc97cc | 7750 | |
445c2480 DS |
7751 | if (json_paths) { |
7752 | char buf[BUFSIZ]; | |
a4d82a8a PZ |
7753 | json_object_string_add( |
7754 | json_path, "peerId", | |
9b6d8fcf | 7755 | sockunion2str(&path->peer->su, buf, SU_ADDRSTRLEN)); |
445c2480 | 7756 | } |
b05a1c8b | 7757 | |
445c2480 DS |
7758 | /* Print aspath */ |
7759 | if (attr->aspath) { | |
50e05855 AD |
7760 | if (json_paths) { |
7761 | ||
7762 | /* | |
7763 | * Adding "path" field to match with corresponding | |
7764 | * CLI. "aspath" will be deprecated in future. | |
7765 | */ | |
445c2480 DS |
7766 | json_object_string_add(json_path, "aspath", |
7767 | attr->aspath->str); | |
50e05855 AD |
7768 | json_object_string_add(json_path, "path", |
7769 | attr->aspath->str); | |
7770 | } else | |
445c2480 | 7771 | aspath_print_vty(vty, "%s", attr->aspath, " "); |
d62a17ae | 7772 | } |
f1aa5d8a | 7773 | |
445c2480 DS |
7774 | /* Print origin */ |
7775 | if (json_paths) | |
a4d82a8a PZ |
7776 | json_object_string_add(json_path, "origin", |
7777 | bgp_origin_long_str[attr->origin]); | |
445c2480 DS |
7778 | else |
7779 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
7780 | ||
9df8b37c | 7781 | if (json_paths) { |
6f214dd3 CS |
7782 | if (safi == SAFI_EVPN && |
7783 | attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
7784 | json_ext_community = json_object_new_object(); | |
7785 | json_object_string_add(json_ext_community, | |
7786 | "string", | |
7787 | attr->ecommunity->str); | |
7788 | json_object_object_add(json_path, | |
7789 | "extendedCommunity", | |
7790 | json_ext_community); | |
7791 | } | |
7792 | ||
9df8b37c PZ |
7793 | if (nexthop_self) |
7794 | json_object_boolean_true_add(json_path, | |
7795 | "announceNexthopSelf"); | |
7796 | if (nexthop_othervrf) { | |
7797 | json_object_string_add(json_path, "nhVrfName", | |
7798 | nexthop_vrfname); | |
7799 | ||
7800 | json_object_int_add(json_path, "nhVrfId", | |
7801 | ((nexthop_vrfid == VRF_UNKNOWN) | |
7802 | ? -1 | |
7803 | : (int)nexthop_vrfid)); | |
7804 | } | |
7805 | } | |
7806 | ||
d62a17ae | 7807 | if (json_paths) { |
7808 | if (json_nexthop_global || json_nexthop_ll) { | |
7809 | json_nexthops = json_object_new_array(); | |
f1aa5d8a | 7810 | |
d62a17ae | 7811 | if (json_nexthop_global) |
7812 | json_object_array_add(json_nexthops, | |
7813 | json_nexthop_global); | |
f1aa5d8a | 7814 | |
d62a17ae | 7815 | if (json_nexthop_ll) |
7816 | json_object_array_add(json_nexthops, | |
7817 | json_nexthop_ll); | |
f1aa5d8a | 7818 | |
d62a17ae | 7819 | json_object_object_add(json_path, "nexthops", |
7820 | json_nexthops); | |
7821 | } | |
7822 | ||
7823 | json_object_array_add(json_paths, json_path); | |
7824 | } else { | |
7825 | vty_out(vty, "\n"); | |
6f214dd3 CS |
7826 | |
7827 | if (safi == SAFI_EVPN && | |
7828 | attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
7829 | vty_out(vty, "%*s", 20, " "); | |
7830 | vty_out(vty, "%s\n", attr->ecommunity->str); | |
7831 | } | |
7832 | ||
65efcfce | 7833 | #if ENABLE_BGP_VNC |
d62a17ae | 7834 | /* prints an additional line, indented, with VNC info, if |
7835 | * present */ | |
7836 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP)) | |
9b6d8fcf | 7837 | rfapi_vty_out_vncinfo(vty, p, path, safi); |
65efcfce | 7838 | #endif |
d62a17ae | 7839 | } |
7840 | } | |
718e3744 | 7841 | |
7842 | /* called from terminal list command */ | |
d62a17ae | 7843 | void route_vty_out_tmp(struct vty *vty, struct prefix *p, struct attr *attr, |
9f049418 | 7844 | safi_t safi, bool use_json, json_object *json_ar) |
d62a17ae | 7845 | { |
7846 | json_object *json_status = NULL; | |
7847 | json_object *json_net = NULL; | |
7848 | char buff[BUFSIZ]; | |
dc387b0f | 7849 | |
d62a17ae | 7850 | /* Route status display. */ |
7851 | if (use_json) { | |
7852 | json_status = json_object_new_object(); | |
7853 | json_net = json_object_new_object(); | |
7854 | } else { | |
7855 | vty_out(vty, "*"); | |
7856 | vty_out(vty, ">"); | |
7857 | vty_out(vty, " "); | |
7858 | } | |
718e3744 | 7859 | |
d62a17ae | 7860 | /* print prefix and mask */ |
50e05855 | 7861 | if (use_json) { |
dc387b0f LK |
7862 | if (safi == SAFI_EVPN) |
7863 | bgp_evpn_route2json((struct prefix_evpn *)p, json_net); | |
7864 | else if (p->family == AF_INET || p->family == AF_INET6) { | |
7865 | json_object_string_add( | |
7866 | json_net, "addrPrefix", | |
7867 | inet_ntop(p->family, &p->u.prefix, buff, | |
7868 | BUFSIZ)); | |
7869 | json_object_int_add(json_net, "prefixLen", | |
7870 | p->prefixlen); | |
7871 | prefix2str(p, buff, PREFIX_STRLEN); | |
7872 | json_object_string_add(json_net, "network", buff); | |
7873 | } | |
50e05855 | 7874 | } else |
9c92b5f7 | 7875 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 7876 | |
7877 | /* Print attribute */ | |
7878 | if (attr) { | |
7879 | if (use_json) { | |
7880 | if (p->family == AF_INET | |
7881 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
d62a17ae | 7882 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { |
dc387b0f | 7883 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP) |
d62a17ae | 7884 | json_object_string_add( |
7885 | json_net, "nextHop", | |
7886 | inet_ntoa( | |
7887 | attr->mp_nexthop_global_in)); | |
7888 | else | |
7889 | json_object_string_add( | |
7890 | json_net, "nextHop", | |
7891 | inet_ntoa(attr->nexthop)); | |
7892 | } else if (p->family == AF_INET6 | |
7893 | || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { | |
7894 | char buf[BUFSIZ]; | |
7895 | ||
7896 | json_object_string_add( | |
aa0a10fc | 7897 | json_net, "nextHopGlobal", |
d62a17ae | 7898 | inet_ntop(AF_INET6, |
7899 | &attr->mp_nexthop_global, buf, | |
7900 | BUFSIZ)); | |
dc387b0f LK |
7901 | } else if (p->family == AF_EVPN && |
7902 | !BGP_ATTR_NEXTHOP_AFI_IP6(attr)) | |
7903 | json_object_string_add(json_net, | |
7904 | "nextHop", inet_ntoa( | |
7905 | attr->mp_nexthop_global_in)); | |
d62a17ae | 7906 | |
7907 | if (attr->flag | |
7908 | & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
7909 | json_object_int_add(json_net, "metric", | |
7910 | attr->med); | |
7911 | ||
50e05855 AD |
7912 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) { |
7913 | ||
7914 | /* | |
7915 | * Adding "locPrf" field to match with | |
7916 | * corresponding CLI. "localPref" will be | |
7917 | * deprecated in future. | |
7918 | */ | |
d62a17ae | 7919 | json_object_int_add(json_net, "localPref", |
7920 | attr->local_pref); | |
50e05855 AD |
7921 | json_object_int_add(json_net, "locPrf", |
7922 | attr->local_pref); | |
7923 | } | |
d62a17ae | 7924 | |
7925 | json_object_int_add(json_net, "weight", attr->weight); | |
7926 | ||
7927 | /* Print aspath */ | |
50e05855 AD |
7928 | if (attr->aspath) { |
7929 | ||
7930 | /* | |
7931 | * Adding "path" field to match with | |
7932 | * corresponding CLI. "localPref" will be | |
7933 | * deprecated in future. | |
7934 | */ | |
d62a17ae | 7935 | json_object_string_add(json_net, "asPath", |
7936 | attr->aspath->str); | |
50e05855 AD |
7937 | json_object_string_add(json_net, "path", |
7938 | attr->aspath->str); | |
7939 | } | |
d62a17ae | 7940 | |
7941 | /* Print origin */ | |
7942 | json_object_string_add(json_net, "bgpOriginCode", | |
7943 | bgp_origin_str[attr->origin]); | |
7944 | } else { | |
7945 | if (p->family == AF_INET | |
7946 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7947 | || safi == SAFI_EVPN | |
7948 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
7949 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
7950 | || safi == SAFI_EVPN) | |
7951 | vty_out(vty, "%-16s", | |
7952 | inet_ntoa( | |
7953 | attr->mp_nexthop_global_in)); | |
7954 | else | |
7955 | vty_out(vty, "%-16s", | |
7956 | inet_ntoa(attr->nexthop)); | |
7957 | } else if (p->family == AF_INET6 | |
7958 | || BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { | |
7959 | int len; | |
7960 | char buf[BUFSIZ]; | |
7961 | ||
7962 | len = vty_out( | |
7963 | vty, "%s", | |
7964 | inet_ntop(AF_INET6, | |
7965 | &attr->mp_nexthop_global, buf, | |
7966 | BUFSIZ)); | |
7967 | len = 16 - len; | |
7968 | if (len < 1) | |
7969 | vty_out(vty, "\n%*s", 36, " "); | |
7970 | else | |
7971 | vty_out(vty, "%*s", len, " "); | |
7972 | } | |
7973 | if (attr->flag | |
7974 | & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) | |
7975 | vty_out(vty, "%10u", attr->med); | |
7976 | else | |
7977 | vty_out(vty, " "); | |
718e3744 | 7978 | |
d62a17ae | 7979 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) |
7980 | vty_out(vty, "%7u", attr->local_pref); | |
7981 | else | |
7982 | vty_out(vty, " "); | |
7983 | ||
7984 | vty_out(vty, "%7u ", attr->weight); | |
7985 | ||
7986 | /* Print aspath */ | |
7987 | if (attr->aspath) | |
7988 | aspath_print_vty(vty, "%s", attr->aspath, " "); | |
7989 | ||
7990 | /* Print origin */ | |
7991 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
7992 | } | |
7993 | } | |
7994 | if (use_json) { | |
7995 | json_object_boolean_true_add(json_status, "*"); | |
7996 | json_object_boolean_true_add(json_status, ">"); | |
7997 | json_object_object_add(json_net, "appliedStatusSymbols", | |
7998 | json_status); | |
1608ff77 | 7999 | |
dc387b0f LK |
8000 | prefix2str(p, buff, PREFIX_STRLEN); |
8001 | json_object_object_add(json_ar, buff, json_net); | |
d62a17ae | 8002 | } else |
8003 | vty_out(vty, "\n"); | |
8004 | } | |
8005 | ||
8006 | void route_vty_out_tag(struct vty *vty, struct prefix *p, | |
9b6d8fcf | 8007 | struct bgp_path_info *path, int display, safi_t safi, |
d62a17ae | 8008 | json_object *json) |
8009 | { | |
8010 | json_object *json_out = NULL; | |
8011 | struct attr *attr; | |
8012 | mpls_label_t label = MPLS_INVALID_LABEL; | |
8013 | ||
9b6d8fcf | 8014 | if (!path->extra) |
d62a17ae | 8015 | return; |
8016 | ||
8017 | if (json) | |
8018 | json_out = json_object_new_object(); | |
8019 | ||
8020 | /* short status lead text */ | |
9b6d8fcf | 8021 | route_vty_short_status_out(vty, path, json_out); |
d62a17ae | 8022 | |
8023 | /* print prefix and mask */ | |
8024 | if (json == NULL) { | |
8025 | if (!display) | |
9c92b5f7 | 8026 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 8027 | else |
8028 | vty_out(vty, "%*s", 17, " "); | |
8029 | } | |
8030 | ||
8031 | /* Print attribute */ | |
9b6d8fcf | 8032 | attr = path->attr; |
05864da7 DS |
8033 | if (((p->family == AF_INET) |
8034 | && ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP))) | |
8035 | || (safi == SAFI_EVPN && !BGP_ATTR_NEXTHOP_AFI_IP6(attr)) | |
8036 | || (!BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
8037 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
8038 | || safi == SAFI_EVPN) { | |
8039 | if (json) | |
8040 | json_object_string_add( | |
8041 | json_out, "mpNexthopGlobalIn", | |
8042 | inet_ntoa(attr->mp_nexthop_global_in)); | |
8043 | else | |
8044 | vty_out(vty, "%-16s", | |
8045 | inet_ntoa(attr->mp_nexthop_global_in)); | |
8046 | } else { | |
8047 | if (json) | |
8048 | json_object_string_add( | |
8049 | json_out, "nexthop", | |
8050 | inet_ntoa(attr->nexthop)); | |
8051 | else | |
8052 | vty_out(vty, "%-16s", inet_ntoa(attr->nexthop)); | |
8053 | } | |
8054 | } else if (((p->family == AF_INET6) | |
8055 | && ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP))) | |
8056 | || (safi == SAFI_EVPN && BGP_ATTR_NEXTHOP_AFI_IP6(attr)) | |
8057 | || (BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
8058 | char buf_a[512]; | |
8059 | ||
8060 | if (attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL) { | |
8061 | if (json) | |
8062 | json_object_string_add( | |
8063 | json_out, "mpNexthopGlobalIn", | |
8064 | inet_ntop(AF_INET6, | |
8065 | &attr->mp_nexthop_global, | |
8066 | buf_a, sizeof(buf_a))); | |
8067 | else | |
8068 | vty_out(vty, "%s", | |
8069 | inet_ntop(AF_INET6, | |
8070 | &attr->mp_nexthop_global, | |
8071 | buf_a, sizeof(buf_a))); | |
8072 | } else if (attr->mp_nexthop_len | |
8073 | == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) { | |
8074 | snprintfrr(buf_a, sizeof(buf_a), "%pI6(%pI6)", | |
8075 | &attr->mp_nexthop_global, | |
8076 | &attr->mp_nexthop_local); | |
8077 | if (json) | |
8078 | json_object_string_add(json_out, | |
8079 | "mpNexthopGlobalLocal", | |
8080 | buf_a); | |
8081 | else | |
8082 | vty_out(vty, "%s", buf_a); | |
d62a17ae | 8083 | } |
8084 | } | |
8085 | ||
9b6d8fcf | 8086 | label = decode_label(&path->extra->label[0]); |
d62a17ae | 8087 | |
8088 | if (bgp_is_valid_label(&label)) { | |
8089 | if (json) { | |
8090 | json_object_int_add(json_out, "notag", label); | |
8091 | json_object_array_add(json, json_out); | |
8092 | } else { | |
8093 | vty_out(vty, "notag/%d", label); | |
8094 | vty_out(vty, "\n"); | |
8095 | } | |
8096 | } | |
8097 | } | |
718e3744 | 8098 | |
d62a17ae | 8099 | void route_vty_out_overlay(struct vty *vty, struct prefix *p, |
9b6d8fcf | 8100 | struct bgp_path_info *path, int display, |
d62a17ae | 8101 | json_object *json_paths) |
718e3744 | 8102 | { |
d62a17ae | 8103 | struct attr *attr; |
14f51eba | 8104 | char buf[BUFSIZ] = {0}; |
d62a17ae | 8105 | json_object *json_path = NULL; |
14f51eba LK |
8106 | json_object *json_nexthop = NULL; |
8107 | json_object *json_overlay = NULL; | |
856ca177 | 8108 | |
9b6d8fcf | 8109 | if (!path->extra) |
d62a17ae | 8110 | return; |
718e3744 | 8111 | |
14f51eba LK |
8112 | if (json_paths) { |
8113 | json_path = json_object_new_object(); | |
8114 | json_overlay = json_object_new_object(); | |
8115 | json_nexthop = json_object_new_object(); | |
8116 | } | |
8117 | ||
d62a17ae | 8118 | /* short status lead text */ |
9b6d8fcf | 8119 | route_vty_short_status_out(vty, path, json_path); |
856ca177 | 8120 | |
d62a17ae | 8121 | /* print prefix and mask */ |
8122 | if (!display) | |
14f51eba | 8123 | route_vty_out_route(p, vty, json_path); |
d62a17ae | 8124 | else |
8125 | vty_out(vty, "%*s", 17, " "); | |
8126 | ||
8127 | /* Print attribute */ | |
9b6d8fcf | 8128 | attr = path->attr; |
05864da7 DS |
8129 | char buf1[BUFSIZ]; |
8130 | int af = NEXTHOP_FAMILY(attr->mp_nexthop_len); | |
d62a17ae | 8131 | |
05864da7 DS |
8132 | switch (af) { |
8133 | case AF_INET: | |
8134 | inet_ntop(af, &attr->mp_nexthop_global_in, buf, BUFSIZ); | |
8135 | if (!json_path) { | |
8136 | vty_out(vty, "%-16s", buf); | |
8137 | } else { | |
8138 | json_object_string_add(json_nexthop, "ip", buf); | |
14f51eba | 8139 | |
05864da7 | 8140 | json_object_string_add(json_nexthop, "afi", "ipv4"); |
14f51eba | 8141 | |
05864da7 DS |
8142 | json_object_object_add(json_path, "nexthop", |
8143 | json_nexthop); | |
8144 | } | |
8145 | break; | |
8146 | case AF_INET6: | |
8147 | inet_ntop(af, &attr->mp_nexthop_global, buf, BUFSIZ); | |
8148 | inet_ntop(af, &attr->mp_nexthop_local, buf1, BUFSIZ); | |
8149 | if (!json_path) { | |
8150 | vty_out(vty, "%s(%s)", buf, buf1); | |
8151 | } else { | |
8152 | json_object_string_add(json_nexthop, "ipv6Global", buf); | |
14f51eba | 8153 | |
05864da7 DS |
8154 | json_object_string_add(json_nexthop, "ipv6LinkLocal", |
8155 | buf1); | |
14f51eba | 8156 | |
05864da7 | 8157 | json_object_string_add(json_nexthop, "afi", "ipv6"); |
14f51eba | 8158 | |
05864da7 DS |
8159 | json_object_object_add(json_path, "nexthop", |
8160 | json_nexthop); | |
8161 | } | |
8162 | break; | |
8163 | default: | |
8164 | if (!json_path) { | |
8165 | vty_out(vty, "?"); | |
8166 | } else { | |
8167 | json_object_string_add(json_nexthop, "Error", | |
8168 | "Unsupported address-family"); | |
d62a17ae | 8169 | } |
05864da7 | 8170 | } |
988258b4 | 8171 | |
05864da7 | 8172 | char *str = esi2str(&(attr->evpn_overlay.eth_s_id)); |
988258b4 | 8173 | |
05864da7 DS |
8174 | if (!json_path) |
8175 | vty_out(vty, "%s", str); | |
8176 | else | |
8177 | json_object_string_add(json_overlay, "esi", str); | |
25b5da8d | 8178 | |
05864da7 | 8179 | XFREE(MTYPE_TMP, str); |
988258b4 | 8180 | |
05864da7 DS |
8181 | if (is_evpn_prefix_ipaddr_v4((struct prefix_evpn *)p)) { |
8182 | inet_ntop(AF_INET, &(attr->evpn_overlay.gw_ip.ipv4), buf, | |
8183 | BUFSIZ); | |
8184 | } else if (is_evpn_prefix_ipaddr_v6((struct prefix_evpn *)p)) { | |
8185 | inet_ntop(AF_INET6, &(attr->evpn_overlay.gw_ip.ipv6), buf, | |
8186 | BUFSIZ); | |
8187 | } | |
14f51eba | 8188 | |
05864da7 DS |
8189 | if (!json_path) |
8190 | vty_out(vty, "/%s", buf); | |
8191 | else | |
8192 | json_object_string_add(json_overlay, "gw", buf); | |
8193 | ||
8194 | if (attr->ecommunity) { | |
8195 | char *mac = NULL; | |
8196 | struct ecommunity_val *routermac = ecommunity_lookup( | |
8197 | attr->ecommunity, ECOMMUNITY_ENCODE_EVPN, | |
8198 | ECOMMUNITY_EVPN_SUBTYPE_ROUTERMAC); | |
8199 | ||
8200 | if (routermac) | |
8201 | mac = ecom_mac2str((char *)routermac->val); | |
8202 | if (mac) { | |
8203 | if (!json_path) { | |
8204 | vty_out(vty, "/%s", (char *)mac); | |
8205 | } else { | |
8206 | json_object_string_add(json_overlay, "rmac", | |
8207 | mac); | |
988258b4 | 8208 | } |
05864da7 | 8209 | XFREE(MTYPE_TMP, mac); |
988258b4 | 8210 | } |
05864da7 | 8211 | } |
718e3744 | 8212 | |
05864da7 DS |
8213 | if (!json_path) { |
8214 | vty_out(vty, "\n"); | |
8215 | } else { | |
8216 | json_object_object_add(json_path, "overlay", json_overlay); | |
14f51eba | 8217 | |
05864da7 | 8218 | json_object_array_add(json_paths, json_path); |
14f51eba | 8219 | } |
d62a17ae | 8220 | } |
718e3744 | 8221 | |
d62a17ae | 8222 | /* dampening route */ |
8223 | static void damp_route_vty_out(struct vty *vty, struct prefix *p, | |
a935f597 | 8224 | struct bgp_path_info *path, int display, afi_t afi, |
4b7e6066 | 8225 | safi_t safi, bool use_json, json_object *json) |
d62a17ae | 8226 | { |
8227 | struct attr *attr; | |
8228 | int len; | |
8229 | char timebuf[BGP_UPTIME_LEN]; | |
8230 | ||
8231 | /* short status lead text */ | |
9b6d8fcf | 8232 | route_vty_short_status_out(vty, path, json); |
d62a17ae | 8233 | |
8234 | /* print prefix and mask */ | |
8235 | if (!use_json) { | |
8236 | if (!display) | |
9c92b5f7 | 8237 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 8238 | else |
8239 | vty_out(vty, "%*s", 17, " "); | |
8240 | } | |
8241 | ||
9b6d8fcf | 8242 | len = vty_out(vty, "%s", path->peer->host); |
d62a17ae | 8243 | len = 17 - len; |
8244 | if (len < 1) { | |
8245 | if (!use_json) | |
8246 | vty_out(vty, "\n%*s", 34, " "); | |
8247 | } else { | |
8248 | if (use_json) | |
8249 | json_object_int_add(json, "peerHost", len); | |
8250 | else | |
8251 | vty_out(vty, "%*s", len, " "); | |
8252 | } | |
8253 | ||
8254 | if (use_json) | |
a935f597 DA |
8255 | bgp_damp_reuse_time_vty(vty, path, timebuf, BGP_UPTIME_LEN, afi, |
8256 | safi, use_json, json); | |
d62a17ae | 8257 | else |
9b6d8fcf DS |
8258 | vty_out(vty, "%s ", |
8259 | bgp_damp_reuse_time_vty(vty, path, timebuf, | |
a935f597 DA |
8260 | BGP_UPTIME_LEN, afi, safi, |
8261 | use_json, json)); | |
d62a17ae | 8262 | |
8263 | /* Print attribute */ | |
9b6d8fcf | 8264 | attr = path->attr; |
d62a17ae | 8265 | |
05864da7 DS |
8266 | /* Print aspath */ |
8267 | if (attr->aspath) { | |
d62a17ae | 8268 | if (use_json) |
05864da7 DS |
8269 | json_object_string_add(json, "asPath", |
8270 | attr->aspath->str); | |
d62a17ae | 8271 | else |
05864da7 | 8272 | aspath_print_vty(vty, "%s", attr->aspath, " "); |
d62a17ae | 8273 | } |
05864da7 DS |
8274 | |
8275 | /* Print origin */ | |
8276 | if (use_json) | |
8277 | json_object_string_add(json, "origin", | |
8278 | bgp_origin_str[attr->origin]); | |
8279 | else | |
8280 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
8281 | ||
d62a17ae | 8282 | if (!use_json) |
8283 | vty_out(vty, "\n"); | |
8284 | } | |
718e3744 | 8285 | |
d62a17ae | 8286 | /* flap route */ |
8287 | static void flap_route_vty_out(struct vty *vty, struct prefix *p, | |
a935f597 | 8288 | struct bgp_path_info *path, int display, afi_t afi, |
4b7e6066 | 8289 | safi_t safi, bool use_json, json_object *json) |
784d3a42 | 8290 | { |
d62a17ae | 8291 | struct attr *attr; |
8292 | struct bgp_damp_info *bdi; | |
8293 | char timebuf[BGP_UPTIME_LEN]; | |
8294 | int len; | |
784d3a42 | 8295 | |
9b6d8fcf | 8296 | if (!path->extra) |
d62a17ae | 8297 | return; |
784d3a42 | 8298 | |
9b6d8fcf | 8299 | bdi = path->extra->damp_info; |
784d3a42 | 8300 | |
d62a17ae | 8301 | /* short status lead text */ |
9b6d8fcf | 8302 | route_vty_short_status_out(vty, path, json); |
784d3a42 | 8303 | |
d62a17ae | 8304 | /* print prefix and mask */ |
8305 | if (!use_json) { | |
8306 | if (!display) | |
9c92b5f7 | 8307 | route_vty_out_route(p, vty, NULL); |
d62a17ae | 8308 | else |
8309 | vty_out(vty, "%*s", 17, " "); | |
8310 | } | |
784d3a42 | 8311 | |
9b6d8fcf | 8312 | len = vty_out(vty, "%s", path->peer->host); |
d62a17ae | 8313 | len = 16 - len; |
8314 | if (len < 1) { | |
8315 | if (!use_json) | |
8316 | vty_out(vty, "\n%*s", 33, " "); | |
8317 | } else { | |
8318 | if (use_json) | |
8319 | json_object_int_add(json, "peerHost", len); | |
8320 | else | |
8321 | vty_out(vty, "%*s", len, " "); | |
8322 | } | |
784d3a42 | 8323 | |
d62a17ae | 8324 | len = vty_out(vty, "%d", bdi->flap); |
8325 | len = 5 - len; | |
8326 | if (len < 1) { | |
8327 | if (!use_json) | |
8328 | vty_out(vty, " "); | |
8329 | } else { | |
8330 | if (use_json) | |
8331 | json_object_int_add(json, "bdiFlap", len); | |
8332 | else | |
8333 | vty_out(vty, "%*s", len, " "); | |
8334 | } | |
8335 | ||
8336 | if (use_json) | |
8337 | peer_uptime(bdi->start_time, timebuf, BGP_UPTIME_LEN, use_json, | |
8338 | json); | |
8339 | else | |
996c9314 LB |
8340 | vty_out(vty, "%s ", peer_uptime(bdi->start_time, timebuf, |
8341 | BGP_UPTIME_LEN, 0, NULL)); | |
d62a17ae | 8342 | |
9b6d8fcf DS |
8343 | if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED) |
8344 | && !CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { | |
d62a17ae | 8345 | if (use_json) |
9b6d8fcf | 8346 | bgp_damp_reuse_time_vty(vty, path, timebuf, |
a935f597 DA |
8347 | BGP_UPTIME_LEN, afi, safi, |
8348 | use_json, json); | |
d62a17ae | 8349 | else |
8350 | vty_out(vty, "%s ", | |
9b6d8fcf | 8351 | bgp_damp_reuse_time_vty(vty, path, timebuf, |
a935f597 DA |
8352 | BGP_UPTIME_LEN, afi, |
8353 | safi, use_json, json)); | |
d62a17ae | 8354 | } else { |
8355 | if (!use_json) | |
8356 | vty_out(vty, "%*s ", 8, " "); | |
8357 | } | |
8358 | ||
8359 | /* Print attribute */ | |
9b6d8fcf | 8360 | attr = path->attr; |
d62a17ae | 8361 | |
05864da7 DS |
8362 | /* Print aspath */ |
8363 | if (attr->aspath) { | |
d62a17ae | 8364 | if (use_json) |
05864da7 DS |
8365 | json_object_string_add(json, "asPath", |
8366 | attr->aspath->str); | |
d62a17ae | 8367 | else |
05864da7 | 8368 | aspath_print_vty(vty, "%s", attr->aspath, " "); |
d62a17ae | 8369 | } |
05864da7 DS |
8370 | |
8371 | /* Print origin */ | |
8372 | if (use_json) | |
8373 | json_object_string_add(json, "origin", | |
8374 | bgp_origin_str[attr->origin]); | |
8375 | else | |
8376 | vty_out(vty, "%s", bgp_origin_str[attr->origin]); | |
8377 | ||
d62a17ae | 8378 | if (!use_json) |
8379 | vty_out(vty, "\n"); | |
8380 | } | |
8381 | ||
8382 | static void route_vty_out_advertised_to(struct vty *vty, struct peer *peer, | |
8383 | int *first, const char *header, | |
8384 | json_object *json_adv_to) | |
8385 | { | |
8386 | char buf1[INET6_ADDRSTRLEN]; | |
8387 | json_object *json_peer = NULL; | |
8388 | ||
8389 | if (json_adv_to) { | |
8390 | /* 'advertised-to' is a dictionary of peers we have advertised | |
8391 | * this | |
8392 | * prefix too. The key is the peer's IP or swpX, the value is | |
8393 | * the | |
8394 | * hostname if we know it and "" if not. | |
8395 | */ | |
8396 | json_peer = json_object_new_object(); | |
8397 | ||
8398 | if (peer->hostname) | |
8399 | json_object_string_add(json_peer, "hostname", | |
8400 | peer->hostname); | |
8401 | ||
8402 | if (peer->conf_if) | |
8403 | json_object_object_add(json_adv_to, peer->conf_if, | |
8404 | json_peer); | |
8405 | else | |
8406 | json_object_object_add( | |
8407 | json_adv_to, | |
8408 | sockunion2str(&peer->su, buf1, SU_ADDRSTRLEN), | |
8409 | json_peer); | |
8410 | } else { | |
8411 | if (*first) { | |
8412 | vty_out(vty, "%s", header); | |
8413 | *first = 0; | |
8414 | } | |
8415 | ||
8416 | if (peer->hostname | |
8417 | && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME)) { | |
8418 | if (peer->conf_if) | |
8419 | vty_out(vty, " %s(%s)", peer->hostname, | |
8420 | peer->conf_if); | |
8421 | else | |
8422 | vty_out(vty, " %s(%s)", peer->hostname, | |
8423 | sockunion2str(&peer->su, buf1, | |
8424 | SU_ADDRSTRLEN)); | |
8425 | } else { | |
8426 | if (peer->conf_if) | |
8427 | vty_out(vty, " %s", peer->conf_if); | |
8428 | else | |
8429 | vty_out(vty, " %s", | |
8430 | sockunion2str(&peer->su, buf1, | |
8431 | SU_ADDRSTRLEN)); | |
8432 | } | |
8433 | } | |
784d3a42 PG |
8434 | } |
8435 | ||
dcc68b5e MS |
8436 | static void route_vty_out_tx_ids(struct vty *vty, |
8437 | struct bgp_addpath_info_data *d) | |
8438 | { | |
8439 | int i; | |
8440 | ||
8441 | for (i = 0; i < BGP_ADDPATH_MAX; i++) { | |
8442 | vty_out(vty, "TX-%s %u%s", bgp_addpath_names(i)->human_name, | |
8443 | d->addpath_tx_id[i], | |
8444 | i < BGP_ADDPATH_MAX - 1 ? " " : "\n"); | |
8445 | } | |
8446 | } | |
8447 | ||
0dc8ee70 DS |
8448 | static const char *bgp_path_selection_reason2str( |
8449 | enum bgp_path_selection_reason reason) | |
8450 | { | |
8451 | switch (reason) { | |
8452 | case bgp_path_selection_none: | |
8453 | return "Nothing to Select"; | |
8454 | break; | |
8455 | case bgp_path_selection_first: | |
8456 | return "First path received"; | |
8457 | break; | |
8458 | case bgp_path_selection_evpn_sticky_mac: | |
8459 | return "EVPN Sticky Mac"; | |
8460 | break; | |
8461 | case bgp_path_selection_evpn_seq: | |
8462 | return "EVPN sequence number"; | |
8463 | break; | |
8464 | case bgp_path_selection_evpn_lower_ip: | |
8465 | return "EVPN lower IP"; | |
8466 | break; | |
8467 | case bgp_path_selection_weight: | |
8468 | return "Weight"; | |
8469 | break; | |
8470 | case bgp_path_selection_local_pref: | |
8471 | return "Local Pref"; | |
8472 | break; | |
8473 | case bgp_path_selection_local_route: | |
8474 | return "Local Route"; | |
8475 | break; | |
8476 | case bgp_path_selection_confed_as_path: | |
8477 | return "Confederation based AS Path"; | |
8478 | break; | |
8479 | case bgp_path_selection_as_path: | |
8480 | return "AS Path"; | |
8481 | break; | |
8482 | case bgp_path_selection_origin: | |
8483 | return "Origin"; | |
8484 | break; | |
8485 | case bgp_path_selection_med: | |
8486 | return "MED"; | |
8487 | break; | |
8488 | case bgp_path_selection_peer: | |
8489 | return "Peer Type"; | |
8490 | break; | |
8491 | case bgp_path_selection_confed: | |
8492 | return "Confed Peer Type"; | |
8493 | break; | |
8494 | case bgp_path_selection_igp_metric: | |
8495 | return "IGP Metric"; | |
8496 | break; | |
8497 | case bgp_path_selection_older: | |
8498 | return "Older Path"; | |
8499 | break; | |
8500 | case bgp_path_selection_router_id: | |
8501 | return "Router ID"; | |
8502 | break; | |
8503 | case bgp_path_selection_cluster_length: | |
8504 | return "Cluser length"; | |
8505 | break; | |
8506 | case bgp_path_selection_stale: | |
8507 | return "Path Staleness"; | |
8508 | break; | |
8509 | case bgp_path_selection_local_configured: | |
8510 | return "Locally configured route"; | |
8511 | break; | |
8512 | case bgp_path_selection_neighbor_ip: | |
8513 | return "Neighbor IP"; | |
8514 | break; | |
8515 | case bgp_path_selection_default: | |
8516 | return "Nothing left to compare"; | |
8517 | break; | |
8518 | } | |
a74879b2 | 8519 | return "Invalid (internal error)"; |
0dc8ee70 DS |
8520 | } |
8521 | ||
f08b5ca0 DS |
8522 | void route_vty_out_detail(struct vty *vty, struct bgp *bgp, |
8523 | struct bgp_node *bn, struct bgp_path_info *path, | |
8524 | afi_t afi, safi_t safi, json_object *json_paths) | |
d62a17ae | 8525 | { |
8526 | char buf[INET6_ADDRSTRLEN]; | |
8527 | char buf1[BUFSIZ]; | |
d62a17ae | 8528 | char buf2[EVPN_ROUTE_STRLEN]; |
515c2602 | 8529 | struct attr *attr = path->attr; |
d62a17ae | 8530 | int sockunion_vty_out(struct vty *, union sockunion *); |
8531 | time_t tbuf; | |
8532 | json_object *json_bestpath = NULL; | |
8533 | json_object *json_cluster_list = NULL; | |
8534 | json_object *json_cluster_list_list = NULL; | |
8535 | json_object *json_ext_community = NULL; | |
8536 | json_object *json_last_update = NULL; | |
7fd077aa | 8537 | json_object *json_pmsi = NULL; |
d62a17ae | 8538 | json_object *json_nexthop_global = NULL; |
8539 | json_object *json_nexthop_ll = NULL; | |
8540 | json_object *json_nexthops = NULL; | |
8541 | json_object *json_path = NULL; | |
8542 | json_object *json_peer = NULL; | |
8543 | json_object *json_string = NULL; | |
8544 | json_object *json_adv_to = NULL; | |
8545 | int first = 0; | |
8546 | struct listnode *node, *nnode; | |
8547 | struct peer *peer; | |
8548 | int addpath_capable; | |
8549 | int has_adj; | |
8550 | unsigned int first_as; | |
1defdda8 | 8551 | bool nexthop_self = |
9b6d8fcf | 8552 | CHECK_FLAG(path->flags, BGP_PATH_ANNC_NH_SELF) ? true : false; |
dcc68b5e | 8553 | int i; |
515c2602 | 8554 | char *nexthop_hostname = bgp_nexthop_hostname(path->peer, attr); |
d62a17ae | 8555 | |
8556 | if (json_paths) { | |
8557 | json_path = json_object_new_object(); | |
8558 | json_peer = json_object_new_object(); | |
8559 | json_nexthop_global = json_object_new_object(); | |
8560 | } | |
8561 | ||
44c69747 | 8562 | if (path->extra) { |
b57ba6d2 | 8563 | char tag_buf[30]; |
d62a17ae | 8564 | |
d7325ee7 | 8565 | buf2[0] = '\0'; |
d62a17ae | 8566 | tag_buf[0] = '\0'; |
9b6d8fcf DS |
8567 | if (path->extra && path->extra->num_labels) { |
8568 | bgp_evpn_label2str(path->extra->label, | |
8569 | path->extra->num_labels, tag_buf, | |
a4d82a8a | 8570 | sizeof(tag_buf)); |
d62a17ae | 8571 | } |
d7325ee7 | 8572 | if (safi == SAFI_EVPN) { |
44c69747 LK |
8573 | if (!json_paths) { |
8574 | bgp_evpn_route2str((struct prefix_evpn *)&bn->p, | |
8575 | buf2, sizeof(buf2)); | |
8576 | vty_out(vty, " Route %s", buf2); | |
8577 | if (tag_buf[0] != '\0') | |
8578 | vty_out(vty, " VNI %s", tag_buf); | |
8579 | vty_out(vty, "\n"); | |
8580 | } else { | |
8581 | if (tag_buf[0]) | |
8582 | json_object_string_add(json_path, "VNI", | |
8583 | tag_buf); | |
8584 | } | |
d7325ee7 DD |
8585 | } |
8586 | ||
44c69747 | 8587 | if (path->extra && path->extra->parent && !json_paths) { |
4b7e6066 | 8588 | struct bgp_path_info *parent_ri; |
d62a17ae | 8589 | struct bgp_node *rn, *prn; |
8590 | ||
9b6d8fcf | 8591 | parent_ri = (struct bgp_path_info *)path->extra->parent; |
d62a17ae | 8592 | rn = parent_ri->net; |
8593 | if (rn && rn->prn) { | |
8594 | prn = rn->prn; | |
d7325ee7 DD |
8595 | prefix_rd2str((struct prefix_rd *)&prn->p, |
8596 | buf1, sizeof(buf1)); | |
8597 | if (is_pi_family_evpn(parent_ri)) { | |
8598 | bgp_evpn_route2str((struct prefix_evpn *)&rn->p, | |
8599 | buf2, sizeof(buf2)); | |
8600 | vty_out(vty, " Imported from %s:%s, VNI %s\n", buf1, buf2, tag_buf); | |
8601 | } else | |
8602 | vty_out(vty, " Imported from %s:%s\n", buf1, buf2); | |
d62a17ae | 8603 | } |
8604 | } | |
8605 | } | |
d62a17ae | 8606 | |
05864da7 DS |
8607 | /* Line1 display AS-path, Aggregator */ |
8608 | if (attr->aspath) { | |
8609 | if (json_paths) { | |
8610 | if (!attr->aspath->json) | |
8611 | aspath_str_update(attr->aspath, true); | |
8612 | json_object_lock(attr->aspath->json); | |
8613 | json_object_object_add(json_path, "aspath", | |
8614 | attr->aspath->json); | |
8615 | } else { | |
8616 | if (attr->aspath->segments) | |
8617 | aspath_print_vty(vty, " %s", attr->aspath, ""); | |
d62a17ae | 8618 | else |
05864da7 | 8619 | vty_out(vty, " Local"); |
d62a17ae | 8620 | } |
05864da7 | 8621 | } |
d62a17ae | 8622 | |
05864da7 DS |
8623 | if (CHECK_FLAG(path->flags, BGP_PATH_REMOVED)) { |
8624 | if (json_paths) | |
8625 | json_object_boolean_true_add(json_path, "removed"); | |
8626 | else | |
8627 | vty_out(vty, ", (removed)"); | |
8628 | } | |
d62a17ae | 8629 | |
05864da7 DS |
8630 | if (CHECK_FLAG(path->flags, BGP_PATH_STALE)) { |
8631 | if (json_paths) | |
8632 | json_object_boolean_true_add(json_path, "stale"); | |
8633 | else | |
8634 | vty_out(vty, ", (stale)"); | |
8635 | } | |
d62a17ae | 8636 | |
05864da7 DS |
8637 | if (CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_AGGREGATOR))) { |
8638 | if (json_paths) { | |
8639 | json_object_int_add(json_path, "aggregatorAs", | |
8640 | attr->aggregator_as); | |
8641 | json_object_string_add( | |
8642 | json_path, "aggregatorId", | |
8643 | inet_ntoa(attr->aggregator_addr)); | |
8644 | } else { | |
8645 | vty_out(vty, ", (aggregated by %u %s)", | |
8646 | attr->aggregator_as, | |
8647 | inet_ntoa(attr->aggregator_addr)); | |
d62a17ae | 8648 | } |
05864da7 | 8649 | } |
d62a17ae | 8650 | |
05864da7 DS |
8651 | if (CHECK_FLAG(path->peer->af_flags[afi][safi], |
8652 | PEER_FLAG_REFLECTOR_CLIENT)) { | |
8653 | if (json_paths) | |
8654 | json_object_boolean_true_add(json_path, | |
8655 | "rxedFromRrClient"); | |
8656 | else | |
8657 | vty_out(vty, ", (Received from a RR-client)"); | |
8658 | } | |
d62a17ae | 8659 | |
05864da7 DS |
8660 | if (CHECK_FLAG(path->peer->af_flags[afi][safi], |
8661 | PEER_FLAG_RSERVER_CLIENT)) { | |
8662 | if (json_paths) | |
8663 | json_object_boolean_true_add(json_path, | |
8664 | "rxedFromRsClient"); | |
8665 | else | |
8666 | vty_out(vty, ", (Received from a RS-client)"); | |
8667 | } | |
d62a17ae | 8668 | |
05864da7 DS |
8669 | if (CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { |
8670 | if (json_paths) | |
8671 | json_object_boolean_true_add(json_path, | |
8672 | "dampeningHistoryEntry"); | |
8673 | else | |
8674 | vty_out(vty, ", (history entry)"); | |
8675 | } else if (CHECK_FLAG(path->flags, BGP_PATH_DAMPED)) { | |
8676 | if (json_paths) | |
8677 | json_object_boolean_true_add(json_path, | |
8678 | "dampeningSuppressed"); | |
8679 | else | |
8680 | vty_out(vty, ", (suppressed due to dampening)"); | |
8681 | } | |
d62a17ae | 8682 | |
05864da7 DS |
8683 | if (!json_paths) |
8684 | vty_out(vty, "\n"); | |
d62a17ae | 8685 | |
05864da7 DS |
8686 | /* Line2 display Next-hop, Neighbor, Router-id */ |
8687 | /* Display the nexthop */ | |
8688 | if ((bn->p.family == AF_INET || bn->p.family == AF_ETHERNET | |
8689 | || bn->p.family == AF_EVPN) | |
8690 | && (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP || safi == SAFI_EVPN | |
8691 | || !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
8692 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP | |
8693 | || safi == SAFI_EVPN) { | |
515c2602 | 8694 | if (json_paths) { |
d62a17ae | 8695 | json_object_string_add( |
515c2602 DA |
8696 | json_nexthop_global, "ip", |
8697 | inet_ntoa(attr->mp_nexthop_global_in)); | |
8698 | ||
8699 | if (nexthop_hostname) | |
8700 | json_object_string_add( | |
8701 | json_nexthop_global, "hostname", | |
8702 | nexthop_hostname); | |
8703 | } else | |
d62a17ae | 8704 | vty_out(vty, " %s", |
515c2602 DA |
8705 | nexthop_hostname |
8706 | ? nexthop_hostname | |
05864da7 | 8707 | : inet_ntoa( |
515c2602 | 8708 | attr->mp_nexthop_global_in)); |
d62a17ae | 8709 | } else { |
515c2602 | 8710 | if (json_paths) { |
05864da7 | 8711 | json_object_string_add( |
515c2602 DA |
8712 | json_nexthop_global, "ip", |
8713 | inet_ntoa(attr->nexthop)); | |
8714 | ||
8715 | if (nexthop_hostname) | |
8716 | json_object_string_add( | |
8717 | json_nexthop_global, "hostname", | |
8718 | nexthop_hostname); | |
8719 | } else | |
05864da7 | 8720 | vty_out(vty, " %s", |
515c2602 DA |
8721 | nexthop_hostname |
8722 | ? nexthop_hostname | |
05864da7 | 8723 | : inet_ntoa(attr->nexthop)); |
d62a17ae | 8724 | } |
8725 | ||
05864da7 DS |
8726 | if (json_paths) |
8727 | json_object_string_add(json_nexthop_global, "afi", | |
8728 | "ipv4"); | |
8729 | } else { | |
8730 | if (json_paths) { | |
8731 | json_object_string_add( | |
515c2602 DA |
8732 | json_nexthop_global, "ip", |
8733 | inet_ntop(AF_INET6, &attr->mp_nexthop_global, | |
8734 | buf, INET6_ADDRSTRLEN)); | |
8735 | ||
8736 | if (nexthop_hostname) | |
8737 | json_object_string_add(json_nexthop_global, | |
8738 | "hostname", | |
8739 | nexthop_hostname); | |
8740 | ||
05864da7 DS |
8741 | json_object_string_add(json_nexthop_global, "afi", |
8742 | "ipv6"); | |
8743 | json_object_string_add(json_nexthop_global, "scope", | |
8744 | "global"); | |
8745 | } else { | |
8746 | vty_out(vty, " %s", | |
515c2602 DA |
8747 | nexthop_hostname |
8748 | ? nexthop_hostname | |
05864da7 DS |
8749 | : inet_ntop(AF_INET6, |
8750 | &attr->mp_nexthop_global, | |
8751 | buf, INET6_ADDRSTRLEN)); | |
d62a17ae | 8752 | } |
05864da7 | 8753 | } |
d62a17ae | 8754 | |
05864da7 DS |
8755 | /* Display the IGP cost or 'inaccessible' */ |
8756 | if (!CHECK_FLAG(path->flags, BGP_PATH_VALID)) { | |
8757 | if (json_paths) | |
8758 | json_object_boolean_false_add(json_nexthop_global, | |
8759 | "accessible"); | |
8760 | else | |
8761 | vty_out(vty, " (inaccessible)"); | |
8762 | } else { | |
8763 | if (path->extra && path->extra->igpmetric) { | |
d62a17ae | 8764 | if (json_paths) |
05864da7 DS |
8765 | json_object_int_add(json_nexthop_global, |
8766 | "metric", | |
8767 | path->extra->igpmetric); | |
d62a17ae | 8768 | else |
05864da7 DS |
8769 | vty_out(vty, " (metric %u)", |
8770 | path->extra->igpmetric); | |
d62a17ae | 8771 | } |
8772 | ||
05864da7 | 8773 | /* IGP cost is 0, display this only for json */ |
d62a17ae | 8774 | else { |
d62a17ae | 8775 | if (json_paths) |
05864da7 DS |
8776 | json_object_int_add(json_nexthop_global, |
8777 | "metric", 0); | |
d62a17ae | 8778 | } |
d62a17ae | 8779 | |
05864da7 DS |
8780 | if (json_paths) |
8781 | json_object_boolean_true_add(json_nexthop_global, | |
8782 | "accessible"); | |
8783 | } | |
d62a17ae | 8784 | |
05864da7 DS |
8785 | /* Display peer "from" output */ |
8786 | /* This path was originated locally */ | |
8787 | if (path->peer == bgp->peer_self) { | |
d62a17ae | 8788 | |
05864da7 DS |
8789 | if (safi == SAFI_EVPN |
8790 | || (bn->p.family == AF_INET | |
8791 | && !BGP_ATTR_NEXTHOP_AFI_IP6(attr))) { | |
d62a17ae | 8792 | if (json_paths) |
05864da7 DS |
8793 | json_object_string_add(json_peer, "peerId", |
8794 | "0.0.0.0"); | |
d62a17ae | 8795 | else |
05864da7 DS |
8796 | vty_out(vty, " from 0.0.0.0 "); |
8797 | } else { | |
d62a17ae | 8798 | if (json_paths) |
05864da7 DS |
8799 | json_object_string_add(json_peer, "peerId", |
8800 | "::"); | |
d62a17ae | 8801 | else |
05864da7 | 8802 | vty_out(vty, " from :: "); |
d62a17ae | 8803 | } |
d62a17ae | 8804 | |
05864da7 DS |
8805 | if (json_paths) |
8806 | json_object_string_add(json_peer, "routerId", | |
8807 | inet_ntoa(bgp->router_id)); | |
8808 | else | |
8809 | vty_out(vty, "(%s)", inet_ntoa(bgp->router_id)); | |
8810 | } | |
d62a17ae | 8811 | |
05864da7 DS |
8812 | /* We RXed this path from one of our peers */ |
8813 | else { | |
8814 | ||
8815 | if (json_paths) { | |
8816 | json_object_string_add(json_peer, "peerId", | |
8817 | sockunion2str(&path->peer->su, | |
8818 | buf, | |
8819 | SU_ADDRSTRLEN)); | |
8820 | json_object_string_add(json_peer, "routerId", | |
8821 | inet_ntop(AF_INET, | |
8822 | &path->peer->remote_id, | |
8823 | buf1, sizeof(buf1))); | |
8824 | ||
8825 | if (path->peer->hostname) | |
8826 | json_object_string_add(json_peer, "hostname", | |
8827 | path->peer->hostname); | |
8828 | ||
8829 | if (path->peer->domainname) | |
8830 | json_object_string_add(json_peer, "domainname", | |
8831 | path->peer->domainname); | |
8832 | ||
8833 | if (path->peer->conf_if) | |
8834 | json_object_string_add(json_peer, "interface", | |
8835 | path->peer->conf_if); | |
8836 | } else { | |
8837 | if (path->peer->conf_if) { | |
8838 | if (path->peer->hostname | |
8839 | && bgp_flag_check(path->peer->bgp, | |
8840 | BGP_FLAG_SHOW_HOSTNAME)) | |
8841 | vty_out(vty, " from %s(%s)", | |
8842 | path->peer->hostname, | |
8843 | path->peer->conf_if); | |
d62a17ae | 8844 | else |
05864da7 | 8845 | vty_out(vty, " from %s", |
9b6d8fcf | 8846 | path->peer->conf_if); |
d62a17ae | 8847 | } else { |
05864da7 DS |
8848 | if (path->peer->hostname |
8849 | && bgp_flag_check(path->peer->bgp, | |
8850 | BGP_FLAG_SHOW_HOSTNAME)) | |
8851 | vty_out(vty, " from %s(%s)", | |
8852 | path->peer->hostname, | |
8853 | path->peer->host); | |
d62a17ae | 8854 | else |
05864da7 DS |
8855 | vty_out(vty, " from %s", |
8856 | sockunion2str(&path->peer->su, | |
8857 | buf, | |
8858 | SU_ADDRSTRLEN)); | |
d62a17ae | 8859 | } |
d62a17ae | 8860 | |
05864da7 DS |
8861 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) |
8862 | vty_out(vty, " (%s)", | |
8863 | inet_ntoa(attr->originator_id)); | |
8864 | else | |
8865 | vty_out(vty, " (%s)", | |
8866 | inet_ntop(AF_INET, | |
8867 | &path->peer->remote_id, buf1, | |
8868 | sizeof(buf1))); | |
d62a17ae | 8869 | } |
05864da7 | 8870 | } |
9df8b37c | 8871 | |
05864da7 DS |
8872 | /* |
8873 | * Note when vrfid of nexthop is different from that of prefix | |
8874 | */ | |
8875 | if (path->extra && path->extra->bgp_orig) { | |
8876 | vrf_id_t nexthop_vrfid = path->extra->bgp_orig->vrf_id; | |
9df8b37c | 8877 | |
05864da7 DS |
8878 | if (json_paths) { |
8879 | const char *vn; | |
9df8b37c | 8880 | |
05864da7 DS |
8881 | if (path->extra->bgp_orig->inst_type |
8882 | == BGP_INSTANCE_TYPE_DEFAULT) | |
8883 | vn = VRF_DEFAULT_NAME; | |
8884 | else | |
8885 | vn = path->extra->bgp_orig->name; | |
9df8b37c | 8886 | |
05864da7 | 8887 | json_object_string_add(json_path, "nhVrfName", vn); |
9df8b37c | 8888 | |
05864da7 DS |
8889 | if (nexthop_vrfid == VRF_UNKNOWN) { |
8890 | json_object_int_add(json_path, "nhVrfId", -1); | |
9df8b37c | 8891 | } else { |
05864da7 DS |
8892 | json_object_int_add(json_path, "nhVrfId", |
8893 | (int)nexthop_vrfid); | |
9df8b37c | 8894 | } |
05864da7 DS |
8895 | } else { |
8896 | if (nexthop_vrfid == VRF_UNKNOWN) | |
8897 | vty_out(vty, " vrf ?"); | |
d62a17ae | 8898 | else |
05864da7 | 8899 | vty_out(vty, " vrf %u", nexthop_vrfid); |
9df8b37c | 8900 | } |
05864da7 | 8901 | } |
9df8b37c | 8902 | |
05864da7 DS |
8903 | if (nexthop_self) { |
8904 | if (json_paths) { | |
8905 | json_object_boolean_true_add(json_path, | |
8906 | "announceNexthopSelf"); | |
8907 | } else { | |
8908 | vty_out(vty, " announce-nh-self"); | |
9df8b37c | 8909 | } |
05864da7 | 8910 | } |
9df8b37c | 8911 | |
05864da7 DS |
8912 | if (!json_paths) |
8913 | vty_out(vty, "\n"); | |
d62a17ae | 8914 | |
05864da7 DS |
8915 | /* display the link-local nexthop */ |
8916 | if (attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) { | |
8917 | if (json_paths) { | |
8918 | json_nexthop_ll = json_object_new_object(); | |
8919 | json_object_string_add( | |
515c2602 DA |
8920 | json_nexthop_ll, "ip", |
8921 | inet_ntop(AF_INET6, &attr->mp_nexthop_local, | |
8922 | buf, INET6_ADDRSTRLEN)); | |
8923 | ||
8924 | if (nexthop_hostname) | |
8925 | json_object_string_add(json_nexthop_ll, | |
8926 | "hostname", | |
8927 | nexthop_hostname); | |
8928 | ||
05864da7 DS |
8929 | json_object_string_add(json_nexthop_ll, "afi", "ipv6"); |
8930 | json_object_string_add(json_nexthop_ll, "scope", | |
8931 | "link-local"); | |
d62a17ae | 8932 | |
05864da7 DS |
8933 | json_object_boolean_true_add(json_nexthop_ll, |
8934 | "accessible"); | |
d62a17ae | 8935 | |
05864da7 | 8936 | if (!attr->mp_nexthop_prefer_global) |
d62a17ae | 8937 | json_object_boolean_true_add(json_nexthop_ll, |
05864da7 DS |
8938 | "used"); |
8939 | else | |
8940 | json_object_boolean_true_add( | |
8941 | json_nexthop_global, "used"); | |
8942 | } else { | |
8943 | vty_out(vty, " (%s) %s\n", | |
8944 | inet_ntop(AF_INET6, &attr->mp_nexthop_local, | |
8945 | buf, INET6_ADDRSTRLEN), | |
8946 | attr->mp_nexthop_prefer_global | |
8947 | ? "(prefer-global)" | |
8948 | : "(used)"); | |
d62a17ae | 8949 | } |
05864da7 DS |
8950 | } |
8951 | /* If we do not have a link-local nexthop then we must flag the | |
8952 | global as "used" */ | |
8953 | else { | |
8954 | if (json_paths) | |
8955 | json_object_boolean_true_add(json_nexthop_global, | |
8956 | "used"); | |
8957 | } | |
d62a17ae | 8958 | |
05864da7 DS |
8959 | /* Line 3 display Origin, Med, Locpref, Weight, Tag, valid, |
8960 | * Int/Ext/Local, Atomic, best */ | |
8961 | if (json_paths) | |
8962 | json_object_string_add(json_path, "origin", | |
8963 | bgp_origin_long_str[attr->origin]); | |
8964 | else | |
8965 | vty_out(vty, " Origin %s", | |
8966 | bgp_origin_long_str[attr->origin]); | |
9df8b37c | 8967 | |
05864da7 DS |
8968 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC)) { |
8969 | if (json_paths) { | |
8970 | /* | |
8971 | * Adding "metric" field to match with | |
8972 | * corresponding CLI. "med" will be | |
8973 | * deprecated in future. | |
8974 | */ | |
8975 | json_object_int_add(json_path, "med", attr->med); | |
8976 | json_object_int_add(json_path, "metric", attr->med); | |
8977 | } else | |
8978 | vty_out(vty, ", metric %u", attr->med); | |
8979 | } | |
9df8b37c | 8980 | |
05864da7 DS |
8981 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF)) { |
8982 | if (json_paths) | |
8983 | json_object_int_add(json_path, "localpref", | |
8984 | attr->local_pref); | |
8985 | else | |
8986 | vty_out(vty, ", localpref %u", attr->local_pref); | |
8987 | } | |
9df8b37c | 8988 | |
05864da7 DS |
8989 | if (attr->weight != 0) { |
8990 | if (json_paths) | |
8991 | json_object_int_add(json_path, "weight", attr->weight); | |
8992 | else | |
8993 | vty_out(vty, ", weight %u", attr->weight); | |
8994 | } | |
9df8b37c | 8995 | |
05864da7 DS |
8996 | if (attr->tag != 0) { |
8997 | if (json_paths) | |
8998 | json_object_int_add(json_path, "tag", attr->tag); | |
8999 | else | |
9000 | vty_out(vty, ", tag %" ROUTE_TAG_PRI, attr->tag); | |
9001 | } | |
9df8b37c | 9002 | |
05864da7 DS |
9003 | if (!CHECK_FLAG(path->flags, BGP_PATH_VALID)) { |
9004 | if (json_paths) | |
9005 | json_object_boolean_false_add(json_path, "valid"); | |
9006 | else | |
9007 | vty_out(vty, ", invalid"); | |
9008 | } else if (!CHECK_FLAG(path->flags, BGP_PATH_HISTORY)) { | |
9009 | if (json_paths) | |
9010 | json_object_boolean_true_add(json_path, "valid"); | |
9011 | else | |
9012 | vty_out(vty, ", valid"); | |
9013 | } | |
9df8b37c | 9014 | |
05864da7 DS |
9015 | if (path->peer != bgp->peer_self) { |
9016 | if (path->peer->as == path->peer->local_as) { | |
9017 | if (CHECK_FLAG(bgp->config, BGP_CONFIG_CONFEDERATION)) { | |
9018 | if (json_paths) | |
9019 | json_object_string_add( | |
9020 | json_peer, "type", | |
9021 | "confed-internal"); | |
d62a17ae | 9022 | else |
05864da7 | 9023 | vty_out(vty, ", confed-internal"); |
d62a17ae | 9024 | } else { |
05864da7 DS |
9025 | if (json_paths) |
9026 | json_object_string_add( | |
9027 | json_peer, "type", "internal"); | |
9028 | else | |
9029 | vty_out(vty, ", internal"); | |
9df8b37c | 9030 | } |
05864da7 DS |
9031 | } else { |
9032 | if (bgp_confederation_peers_check(bgp, | |
9033 | path->peer->as)) { | |
9034 | if (json_paths) | |
9035 | json_object_string_add( | |
9036 | json_peer, "type", | |
9037 | "confed-external"); | |
d62a17ae | 9038 | else |
05864da7 | 9039 | vty_out(vty, ", confed-external"); |
d62a17ae | 9040 | } else { |
05864da7 DS |
9041 | if (json_paths) |
9042 | json_object_string_add( | |
9043 | json_peer, "type", "external"); | |
9044 | else | |
9045 | vty_out(vty, ", external"); | |
d62a17ae | 9046 | } |
9047 | } | |
05864da7 DS |
9048 | } else if (path->sub_type == BGP_ROUTE_AGGREGATE) { |
9049 | if (json_paths) { | |
9050 | json_object_boolean_true_add(json_path, "aggregated"); | |
9051 | json_object_boolean_true_add(json_path, "local"); | |
9052 | } else { | |
9053 | vty_out(vty, ", aggregated, local"); | |
9054 | } | |
9055 | } else if (path->type != ZEBRA_ROUTE_BGP) { | |
9056 | if (json_paths) | |
9057 | json_object_boolean_true_add(json_path, "sourced"); | |
9058 | else | |
9059 | vty_out(vty, ", sourced"); | |
9060 | } else { | |
9061 | if (json_paths) { | |
9062 | json_object_boolean_true_add(json_path, "sourced"); | |
9063 | json_object_boolean_true_add(json_path, "local"); | |
9064 | } else { | |
9065 | vty_out(vty, ", sourced, local"); | |
d62a17ae | 9066 | } |
05864da7 | 9067 | } |
718e3744 | 9068 | |
05864da7 | 9069 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE)) { |
d62a17ae | 9070 | if (json_paths) |
05864da7 DS |
9071 | json_object_boolean_true_add(json_path, |
9072 | "atomicAggregate"); | |
d62a17ae | 9073 | else |
05864da7 DS |
9074 | vty_out(vty, ", atomic-aggregate"); |
9075 | } | |
d62a17ae | 9076 | |
05864da7 DS |
9077 | if (CHECK_FLAG(path->flags, BGP_PATH_MULTIPATH) |
9078 | || (CHECK_FLAG(path->flags, BGP_PATH_SELECTED) | |
9079 | && bgp_path_info_mpath_count(path))) { | |
9080 | if (json_paths) | |
9081 | json_object_boolean_true_add(json_path, "multipath"); | |
9082 | else | |
9083 | vty_out(vty, ", multipath"); | |
9084 | } | |
50e05855 | 9085 | |
05864da7 DS |
9086 | // Mark the bestpath(s) |
9087 | if (CHECK_FLAG(path->flags, BGP_PATH_DMED_SELECTED)) { | |
9088 | first_as = aspath_get_first_as(attr->aspath); | |
718e3744 | 9089 | |
05864da7 DS |
9090 | if (json_paths) { |
9091 | if (!json_bestpath) | |
9092 | json_bestpath = json_object_new_object(); | |
9093 | json_object_int_add(json_bestpath, "bestpathFromAs", | |
9094 | first_as); | |
9095 | } else { | |
9096 | if (first_as) | |
9097 | vty_out(vty, ", bestpath-from-AS %u", first_as); | |
d62a17ae | 9098 | else |
05864da7 | 9099 | vty_out(vty, ", bestpath-from-AS Local"); |
d62a17ae | 9100 | } |
05864da7 | 9101 | } |
718e3744 | 9102 | |
05864da7 DS |
9103 | if (CHECK_FLAG(path->flags, BGP_PATH_SELECTED)) { |
9104 | if (json_paths) { | |
9105 | if (!json_bestpath) | |
9106 | json_bestpath = json_object_new_object(); | |
9107 | json_object_boolean_true_add(json_bestpath, "overall"); | |
9108 | json_object_string_add( | |
9109 | json_bestpath, "selectionReason", | |
9110 | bgp_path_selection_reason2str(bn->reason)); | |
9111 | } else { | |
9112 | vty_out(vty, ", best"); | |
9113 | vty_out(vty, " (%s)", | |
9114 | bgp_path_selection_reason2str(bn->reason)); | |
d62a17ae | 9115 | } |
05864da7 | 9116 | } |
718e3744 | 9117 | |
05864da7 DS |
9118 | if (json_bestpath) |
9119 | json_object_object_add(json_path, "bestpath", json_bestpath); | |
718e3744 | 9120 | |
05864da7 DS |
9121 | if (!json_paths) |
9122 | vty_out(vty, "\n"); | |
9123 | ||
9124 | /* Line 4 display Community */ | |
9125 | if (attr->community) { | |
9126 | if (json_paths) { | |
9127 | if (!attr->community->json) | |
9128 | community_str(attr->community, true); | |
9129 | json_object_lock(attr->community->json); | |
9130 | json_object_object_add(json_path, "community", | |
9131 | attr->community->json); | |
9132 | } else { | |
9133 | vty_out(vty, " Community: %s\n", | |
9134 | attr->community->str); | |
d62a17ae | 9135 | } |
05864da7 | 9136 | } |
718e3744 | 9137 | |
05864da7 DS |
9138 | /* Line 5 display Extended-community */ |
9139 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES)) { | |
9140 | if (json_paths) { | |
9141 | json_ext_community = json_object_new_object(); | |
9142 | json_object_string_add(json_ext_community, "string", | |
9143 | attr->ecommunity->str); | |
9144 | json_object_object_add(json_path, "extendedCommunity", | |
9145 | json_ext_community); | |
d62a17ae | 9146 | } else { |
05864da7 DS |
9147 | vty_out(vty, " Extended Community: %s\n", |
9148 | attr->ecommunity->str); | |
d62a17ae | 9149 | } |
05864da7 | 9150 | } |
718e3744 | 9151 | |
05864da7 DS |
9152 | /* Line 6 display Large community */ |
9153 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_LARGE_COMMUNITIES)) { | |
9154 | if (json_paths) { | |
9155 | if (!attr->lcommunity->json) | |
9156 | lcommunity_str(attr->lcommunity, true); | |
9157 | json_object_lock(attr->lcommunity->json); | |
9158 | json_object_object_add(json_path, "largeCommunity", | |
9159 | attr->lcommunity->json); | |
9160 | } else { | |
9161 | vty_out(vty, " Large Community: %s\n", | |
9162 | attr->lcommunity->str); | |
d62a17ae | 9163 | } |
05864da7 | 9164 | } |
718e3744 | 9165 | |
05864da7 DS |
9166 | /* Line 7 display Originator, Cluster-id */ |
9167 | if ((attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) | |
9168 | || (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST))) { | |
9169 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID)) { | |
d62a17ae | 9170 | if (json_paths) |
05864da7 DS |
9171 | json_object_string_add( |
9172 | json_path, "originatorId", | |
9173 | inet_ntoa(attr->originator_id)); | |
d62a17ae | 9174 | else |
05864da7 DS |
9175 | vty_out(vty, " Originator: %s", |
9176 | inet_ntoa(attr->originator_id)); | |
d62a17ae | 9177 | } |
856ca177 | 9178 | |
05864da7 DS |
9179 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST)) { |
9180 | int i; | |
d62a17ae | 9181 | |
9182 | if (json_paths) { | |
05864da7 DS |
9183 | json_cluster_list = json_object_new_object(); |
9184 | json_cluster_list_list = | |
9185 | json_object_new_array(); | |
9186 | ||
9187 | for (i = 0; i < attr->cluster->length / 4; | |
9188 | i++) { | |
9189 | json_string = json_object_new_string( | |
9190 | inet_ntoa(attr->cluster | |
9191 | ->list[i])); | |
9192 | json_object_array_add( | |
9193 | json_cluster_list_list, | |
9194 | json_string); | |
9195 | } | |
718e3744 | 9196 | |
05864da7 DS |
9197 | /* |
9198 | * struct cluster_list does not have | |
9199 | * "str" variable like aspath and community | |
9200 | * do. Add this someday if someone asks | |
9201 | * for it. | |
9202 | * json_object_string_add(json_cluster_list, | |
9203 | * "string", attr->cluster->str); | |
9204 | */ | |
9205 | json_object_object_add(json_cluster_list, | |
9206 | "list", | |
9207 | json_cluster_list_list); | |
9208 | json_object_object_add(json_path, "clusterList", | |
9209 | json_cluster_list); | |
0dc8ee70 | 9210 | } else { |
05864da7 DS |
9211 | vty_out(vty, ", Cluster list: "); |
9212 | ||
9213 | for (i = 0; i < attr->cluster->length / 4; | |
9214 | i++) { | |
9215 | vty_out(vty, "%s ", | |
9216 | inet_ntoa(attr->cluster | |
9217 | ->list[i])); | |
9218 | } | |
0dc8ee70 | 9219 | } |
d62a17ae | 9220 | } |
718e3744 | 9221 | |
d62a17ae | 9222 | if (!json_paths) |
9223 | vty_out(vty, "\n"); | |
05864da7 | 9224 | } |
d62a17ae | 9225 | |
05864da7 | 9226 | if (path->extra && path->extra->damp_info) |
a935f597 | 9227 | bgp_damp_info_vty(vty, path, afi, safi, json_path); |
adbac85e | 9228 | |
05864da7 DS |
9229 | /* Remote Label */ |
9230 | if (path->extra && bgp_is_valid_label(&path->extra->label[0]) | |
9231 | && (safi != SAFI_EVPN && !is_route_parent_evpn(path))) { | |
9232 | mpls_label_t label = label_pton(&path->extra->label[0]); | |
d62a17ae | 9233 | |
05864da7 DS |
9234 | if (json_paths) |
9235 | json_object_int_add(json_path, "remoteLabel", label); | |
9236 | else | |
9237 | vty_out(vty, " Remote label: %d\n", label); | |
9238 | } | |
d62a17ae | 9239 | |
e496b420 HS |
9240 | /* Remote SID */ |
9241 | if (path->extra && path->extra->num_sids > 0 && safi != SAFI_EVPN) { | |
9242 | inet_ntop(AF_INET6, &path->extra->sid, buf, sizeof(buf)); | |
9243 | if (json_paths) | |
9244 | json_object_string_add(json_path, "remoteSid", buf); | |
9245 | else | |
9246 | vty_out(vty, " Remote SID: %s\n", buf); | |
9247 | } | |
9248 | ||
05864da7 DS |
9249 | /* Label Index */ |
9250 | if (attr->label_index != BGP_INVALID_LABEL_INDEX) { | |
9251 | if (json_paths) | |
9252 | json_object_int_add(json_path, "labelIndex", | |
9253 | attr->label_index); | |
9254 | else | |
9255 | vty_out(vty, " Label Index: %d\n", | |
9256 | attr->label_index); | |
9257 | } | |
d62a17ae | 9258 | |
05864da7 DS |
9259 | /* Line 8 display Addpath IDs */ |
9260 | if (path->addpath_rx_id | |
9261 | || bgp_addpath_info_has_ids(&path->tx_addpath)) { | |
9262 | if (json_paths) { | |
9263 | json_object_int_add(json_path, "addpathRxId", | |
9264 | path->addpath_rx_id); | |
d62a17ae | 9265 | |
05864da7 DS |
9266 | /* Keep backwards compatibility with the old API |
9267 | * by putting TX All's ID in the old field | |
9268 | */ | |
9269 | json_object_int_add( | |
9270 | json_path, "addpathTxId", | |
9271 | path->tx_addpath | |
9272 | .addpath_tx_id[BGP_ADDPATH_ALL]); | |
d62a17ae | 9273 | |
05864da7 DS |
9274 | /* ... but create a specific field for each |
9275 | * strategy | |
9276 | */ | |
9277 | for (i = 0; i < BGP_ADDPATH_MAX; i++) { | |
9278 | json_object_int_add( | |
9279 | json_path, | |
9280 | bgp_addpath_names(i)->id_json_name, | |
9281 | path->tx_addpath.addpath_tx_id[i]); | |
d62a17ae | 9282 | } |
05864da7 DS |
9283 | } else { |
9284 | vty_out(vty, " AddPath ID: RX %u, ", | |
9285 | path->addpath_rx_id); | |
d62a17ae | 9286 | |
05864da7 | 9287 | route_vty_out_tx_ids(vty, &path->tx_addpath); |
d62a17ae | 9288 | } |
05864da7 | 9289 | } |
520d5d76 | 9290 | |
05864da7 DS |
9291 | /* If we used addpath to TX a non-bestpath we need to display |
9292 | * "Advertised to" on a path-by-path basis | |
9293 | */ | |
9294 | if (bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { | |
9295 | first = 1; | |
dcc68b5e | 9296 | |
05864da7 DS |
9297 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { |
9298 | addpath_capable = | |
9299 | bgp_addpath_encode_tx(peer, afi, safi); | |
9300 | has_adj = bgp_adj_out_lookup( | |
9301 | peer, path->net, | |
9302 | bgp_addpath_id_for_peer(peer, afi, safi, | |
9303 | &path->tx_addpath)); | |
9304 | ||
9305 | if ((addpath_capable && has_adj) | |
9306 | || (!addpath_capable && has_adj | |
9307 | && CHECK_FLAG(path->flags, | |
9308 | BGP_PATH_SELECTED))) { | |
9309 | if (json_path && !json_adv_to) | |
9310 | json_adv_to = json_object_new_object(); | |
dcc68b5e | 9311 | |
05864da7 DS |
9312 | route_vty_out_advertised_to( |
9313 | vty, peer, &first, | |
9314 | " Advertised to:", json_adv_to); | |
d62a17ae | 9315 | } |
9316 | } | |
718e3744 | 9317 | |
05864da7 DS |
9318 | if (json_path) { |
9319 | if (json_adv_to) { | |
9320 | json_object_object_add( | |
9321 | json_path, "advertisedTo", json_adv_to); | |
d62a17ae | 9322 | } |
05864da7 DS |
9323 | } else { |
9324 | if (!first) { | |
9325 | vty_out(vty, "\n"); | |
d62a17ae | 9326 | } |
9327 | } | |
05864da7 | 9328 | } |
b05a1c8b | 9329 | |
05864da7 DS |
9330 | /* Line 9 display Uptime */ |
9331 | tbuf = time(NULL) - (bgp_clock() - path->uptime); | |
9332 | if (json_paths) { | |
9333 | json_last_update = json_object_new_object(); | |
9334 | json_object_int_add(json_last_update, "epoch", tbuf); | |
9335 | json_object_string_add(json_last_update, "string", | |
9336 | ctime(&tbuf)); | |
9337 | json_object_object_add(json_path, "lastUpdate", | |
9338 | json_last_update); | |
9339 | } else | |
9340 | vty_out(vty, " Last update: %s", ctime(&tbuf)); | |
b7d08f5a | 9341 | |
05864da7 DS |
9342 | /* Line 10 display PMSI tunnel attribute, if present */ |
9343 | if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_PMSI_TUNNEL)) { | |
9344 | const char *str = | |
9345 | lookup_msg(bgp_pmsi_tnltype_str, attr->pmsi_tnl_type, | |
9346 | PMSI_TNLTYPE_STR_DEFAULT); | |
7fd077aa | 9347 | |
05864da7 DS |
9348 | if (json_paths) { |
9349 | json_pmsi = json_object_new_object(); | |
9350 | json_object_string_add(json_pmsi, "tunnelType", str); | |
9351 | json_object_int_add(json_pmsi, "label", | |
9352 | label2vni(&attr->label)); | |
9353 | json_object_object_add(json_path, "pmsi", json_pmsi); | |
9354 | } else | |
9355 | vty_out(vty, " PMSI Tunnel Type: %s, label: %d\n", | |
9356 | str, label2vni(&attr->label)); | |
d62a17ae | 9357 | } |
f1aa5d8a | 9358 | |
d62a17ae | 9359 | /* We've constructed the json object for this path, add it to the json |
9360 | * array of paths | |
9361 | */ | |
9362 | if (json_paths) { | |
9363 | if (json_nexthop_global || json_nexthop_ll) { | |
9364 | json_nexthops = json_object_new_array(); | |
f1aa5d8a | 9365 | |
d62a17ae | 9366 | if (json_nexthop_global) |
9367 | json_object_array_add(json_nexthops, | |
9368 | json_nexthop_global); | |
f1aa5d8a | 9369 | |
d62a17ae | 9370 | if (json_nexthop_ll) |
9371 | json_object_array_add(json_nexthops, | |
9372 | json_nexthop_ll); | |
f1aa5d8a | 9373 | |
d62a17ae | 9374 | json_object_object_add(json_path, "nexthops", |
9375 | json_nexthops); | |
9376 | } | |
9377 | ||
9378 | json_object_object_add(json_path, "peer", json_peer); | |
9379 | json_object_array_add(json_paths, json_path); | |
05864da7 | 9380 | } |
b366b518 BB |
9381 | } |
9382 | ||
96ade3ed | 9383 | #define BGP_SHOW_HEADER_CSV "Flags, Network, Next Hop, Metric, LocPrf, Weight, Path" |
181039f3 DL |
9384 | #define BGP_SHOW_DAMP_HEADER " Network From Reuse Path\n" |
9385 | #define BGP_SHOW_FLAP_HEADER " Network From Flaps Duration Reuse Path\n" | |
718e3744 | 9386 | |
d62a17ae | 9387 | static int bgp_show_prefix_list(struct vty *vty, struct bgp *bgp, |
9388 | const char *prefix_list_str, afi_t afi, | |
9389 | safi_t safi, enum bgp_show_type type); | |
9390 | static int bgp_show_filter_list(struct vty *vty, struct bgp *bgp, | |
9391 | const char *filter, afi_t afi, safi_t safi, | |
9392 | enum bgp_show_type type); | |
9393 | static int bgp_show_route_map(struct vty *vty, struct bgp *bgp, | |
9394 | const char *rmap_str, afi_t afi, safi_t safi, | |
9395 | enum bgp_show_type type); | |
9396 | static int bgp_show_community_list(struct vty *vty, struct bgp *bgp, | |
9397 | const char *com, int exact, afi_t afi, | |
9398 | safi_t safi); | |
9399 | static int bgp_show_prefix_longer(struct vty *vty, struct bgp *bgp, | |
9400 | const char *prefix, afi_t afi, safi_t safi, | |
9401 | enum bgp_show_type type); | |
a4d82a8a | 9402 | static int bgp_show_regexp(struct vty *vty, struct bgp *bgp, const char *regstr, |
3e5b31b3 DA |
9403 | afi_t afi, safi_t safi, enum bgp_show_type type, |
9404 | bool use_json); | |
7f323236 DW |
9405 | static int bgp_show_community(struct vty *vty, struct bgp *bgp, |
9406 | const char *comstr, int exact, afi_t afi, | |
9f049418 | 9407 | safi_t safi, bool use_json); |
d62a17ae | 9408 | |
1ae44dfc LB |
9409 | |
9410 | static int bgp_show_table(struct vty *vty, struct bgp *bgp, safi_t safi, | |
d62a17ae | 9411 | struct bgp_table *table, enum bgp_show_type type, |
9f049418 | 9412 | void *output_arg, bool use_json, char *rd, |
a4d82a8a PZ |
9413 | int is_last, unsigned long *output_cum, |
9414 | unsigned long *total_cum, | |
9386b588 | 9415 | unsigned long *json_header_depth) |
d62a17ae | 9416 | { |
40381db7 | 9417 | struct bgp_path_info *pi; |
d62a17ae | 9418 | struct bgp_node *rn; |
9419 | int header = 1; | |
9420 | int display; | |
1ae44dfc LB |
9421 | unsigned long output_count = 0; |
9422 | unsigned long total_count = 0; | |
d62a17ae | 9423 | struct prefix *p; |
d62a17ae | 9424 | char buf2[BUFSIZ]; |
9425 | json_object *json_paths = NULL; | |
9426 | int first = 1; | |
9427 | ||
1ae44dfc LB |
9428 | if (output_cum && *output_cum != 0) |
9429 | header = 0; | |
9430 | ||
9386b588 | 9431 | if (use_json && !*json_header_depth) { |
d62a17ae | 9432 | vty_out(vty, |
66f80d74 | 9433 | "{\n \"vrfId\": %d,\n \"vrfName\": \"%s\",\n \"tableVersion\": %" PRId64 |
01eced22 AD |
9434 | ",\n \"routerId\": \"%s\",\n \"defaultLocPrf\": %u,\n" |
9435 | " \"localAS\": %u,\n \"routes\": { ", | |
a8bf7d9c | 9436 | bgp->vrf_id == VRF_UNKNOWN ? -1 : (int)bgp->vrf_id, |
5742e42b DS |
9437 | bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT |
9438 | ? VRF_DEFAULT_NAME | |
9439 | : bgp->name, | |
01eced22 AD |
9440 | table->version, inet_ntoa(bgp->router_id), |
9441 | bgp->default_local_pref, bgp->as); | |
9386b588 PZ |
9442 | *json_header_depth = 2; |
9443 | if (rd) { | |
445c2480 | 9444 | vty_out(vty, " \"routeDistinguishers\" : {"); |
9386b588 PZ |
9445 | ++*json_header_depth; |
9446 | } | |
d62a17ae | 9447 | } |
718e3744 | 9448 | |
445c2480 DS |
9449 | if (use_json && rd) { |
9450 | vty_out(vty, " \"%s\" : { ", rd); | |
9451 | } | |
9452 | ||
d62a17ae | 9453 | /* Start processing of routes. */ |
98ce9a06 | 9454 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
6f94b685 DS |
9455 | pi = bgp_node_get_bgp_path_info(rn); |
9456 | if (pi == NULL) | |
98ce9a06 | 9457 | continue; |
d62a17ae | 9458 | |
98ce9a06 | 9459 | display = 0; |
98ce9a06 DS |
9460 | if (use_json) |
9461 | json_paths = json_object_new_array(); | |
9462 | else | |
9463 | json_paths = NULL; | |
d62a17ae | 9464 | |
6f94b685 | 9465 | for (; pi; pi = pi->next) { |
98ce9a06 DS |
9466 | total_count++; |
9467 | if (type == bgp_show_type_flap_statistics | |
9468 | || type == bgp_show_type_flap_neighbor | |
9469 | || type == bgp_show_type_dampend_paths | |
9470 | || type == bgp_show_type_damp_neighbor) { | |
40381db7 | 9471 | if (!(pi->extra && pi->extra->damp_info)) |
98ce9a06 DS |
9472 | continue; |
9473 | } | |
9474 | if (type == bgp_show_type_regexp) { | |
9475 | regex_t *regex = output_arg; | |
d62a17ae | 9476 | |
40381db7 | 9477 | if (bgp_regexec(regex, pi->attr->aspath) |
98ce9a06 DS |
9478 | == REG_NOMATCH) |
9479 | continue; | |
9480 | } | |
9481 | if (type == bgp_show_type_prefix_list) { | |
9482 | struct prefix_list *plist = output_arg; | |
d62a17ae | 9483 | |
98ce9a06 DS |
9484 | if (prefix_list_apply(plist, &rn->p) |
9485 | != PREFIX_PERMIT) | |
9486 | continue; | |
9487 | } | |
9488 | if (type == bgp_show_type_filter_list) { | |
9489 | struct as_list *as_list = output_arg; | |
d62a17ae | 9490 | |
40381db7 | 9491 | if (as_list_apply(as_list, pi->attr->aspath) |
98ce9a06 DS |
9492 | != AS_FILTER_PERMIT) |
9493 | continue; | |
9494 | } | |
9495 | if (type == bgp_show_type_route_map) { | |
9496 | struct route_map *rmap = output_arg; | |
9b6d8fcf | 9497 | struct bgp_path_info path; |
98ce9a06 | 9498 | struct attr dummy_attr; |
b68885f9 | 9499 | route_map_result_t ret; |
d62a17ae | 9500 | |
6f4f49b2 | 9501 | dummy_attr = *pi->attr; |
d62a17ae | 9502 | |
40381db7 | 9503 | path.peer = pi->peer; |
9b6d8fcf | 9504 | path.attr = &dummy_attr; |
d62a17ae | 9505 | |
a4d82a8a | 9506 | ret = route_map_apply(rmap, &rn->p, RMAP_BGP, |
9b6d8fcf | 9507 | &path); |
98ce9a06 DS |
9508 | if (ret == RMAP_DENYMATCH) |
9509 | continue; | |
9510 | } | |
9511 | if (type == bgp_show_type_neighbor | |
9512 | || type == bgp_show_type_flap_neighbor | |
9513 | || type == bgp_show_type_damp_neighbor) { | |
9514 | union sockunion *su = output_arg; | |
9515 | ||
40381db7 DS |
9516 | if (pi->peer == NULL |
9517 | || pi->peer->su_remote == NULL | |
9518 | || !sockunion_same(pi->peer->su_remote, su)) | |
98ce9a06 DS |
9519 | continue; |
9520 | } | |
9521 | if (type == bgp_show_type_cidr_only) { | |
d7c0a89a | 9522 | uint32_t destination; |
d62a17ae | 9523 | |
98ce9a06 DS |
9524 | destination = ntohl(rn->p.u.prefix4.s_addr); |
9525 | if (IN_CLASSC(destination) | |
9526 | && rn->p.prefixlen == 24) | |
9527 | continue; | |
9528 | if (IN_CLASSB(destination) | |
9529 | && rn->p.prefixlen == 16) | |
9530 | continue; | |
9531 | if (IN_CLASSA(destination) | |
9532 | && rn->p.prefixlen == 8) | |
9533 | continue; | |
9534 | } | |
9535 | if (type == bgp_show_type_prefix_longer) { | |
f7813c7c | 9536 | p = output_arg; |
98ce9a06 DS |
9537 | if (!prefix_match(p, &rn->p)) |
9538 | continue; | |
9539 | } | |
9540 | if (type == bgp_show_type_community_all) { | |
40381db7 | 9541 | if (!pi->attr->community) |
98ce9a06 DS |
9542 | continue; |
9543 | } | |
9544 | if (type == bgp_show_type_community) { | |
9545 | struct community *com = output_arg; | |
d62a17ae | 9546 | |
40381db7 DS |
9547 | if (!pi->attr->community |
9548 | || !community_match(pi->attr->community, | |
98ce9a06 DS |
9549 | com)) |
9550 | continue; | |
9551 | } | |
9552 | if (type == bgp_show_type_community_exact) { | |
9553 | struct community *com = output_arg; | |
d62a17ae | 9554 | |
40381db7 DS |
9555 | if (!pi->attr->community |
9556 | || !community_cmp(pi->attr->community, com)) | |
98ce9a06 DS |
9557 | continue; |
9558 | } | |
9559 | if (type == bgp_show_type_community_list) { | |
9560 | struct community_list *list = output_arg; | |
d62a17ae | 9561 | |
40381db7 | 9562 | if (!community_list_match(pi->attr->community, |
a4d82a8a | 9563 | list)) |
98ce9a06 DS |
9564 | continue; |
9565 | } | |
a4d82a8a | 9566 | if (type == bgp_show_type_community_list_exact) { |
98ce9a06 | 9567 | struct community_list *list = output_arg; |
d62a17ae | 9568 | |
98ce9a06 | 9569 | if (!community_list_exact_match( |
40381db7 | 9570 | pi->attr->community, list)) |
98ce9a06 DS |
9571 | continue; |
9572 | } | |
9573 | if (type == bgp_show_type_lcommunity) { | |
9574 | struct lcommunity *lcom = output_arg; | |
d62a17ae | 9575 | |
40381db7 DS |
9576 | if (!pi->attr->lcommunity |
9577 | || !lcommunity_match(pi->attr->lcommunity, | |
98ce9a06 DS |
9578 | lcom)) |
9579 | continue; | |
9580 | } | |
36a206db | 9581 | |
9582 | if (type == bgp_show_type_lcommunity_exact) { | |
9583 | struct lcommunity *lcom = output_arg; | |
9584 | ||
9585 | if (!pi->attr->lcommunity | |
9586 | || !lcommunity_cmp(pi->attr->lcommunity, | |
9587 | lcom)) | |
9588 | continue; | |
9589 | } | |
98ce9a06 DS |
9590 | if (type == bgp_show_type_lcommunity_list) { |
9591 | struct community_list *list = output_arg; | |
d62a17ae | 9592 | |
40381db7 | 9593 | if (!lcommunity_list_match(pi->attr->lcommunity, |
a4d82a8a | 9594 | list)) |
98ce9a06 DS |
9595 | continue; |
9596 | } | |
36a206db | 9597 | if (type |
9598 | == bgp_show_type_lcommunity_list_exact) { | |
9599 | struct community_list *list = output_arg; | |
9600 | ||
9601 | if (!lcommunity_list_exact_match( | |
9602 | pi->attr->lcommunity, list)) | |
9603 | continue; | |
9604 | } | |
98ce9a06 | 9605 | if (type == bgp_show_type_lcommunity_all) { |
40381db7 | 9606 | if (!pi->attr->lcommunity) |
98ce9a06 DS |
9607 | continue; |
9608 | } | |
9609 | if (type == bgp_show_type_dampend_paths | |
9610 | || type == bgp_show_type_damp_neighbor) { | |
40381db7 DS |
9611 | if (!CHECK_FLAG(pi->flags, BGP_PATH_DAMPED) |
9612 | || CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) | |
98ce9a06 DS |
9613 | continue; |
9614 | } | |
9615 | ||
9616 | if (!use_json && header) { | |
996c9314 | 9617 | vty_out(vty, "BGP table version is %" PRIu64 |
9df8b37c | 9618 | ", local router ID is %s, vrf id ", |
98ce9a06 DS |
9619 | table->version, |
9620 | inet_ntoa(bgp->router_id)); | |
9df8b37c PZ |
9621 | if (bgp->vrf_id == VRF_UNKNOWN) |
9622 | vty_out(vty, "%s", VRFID_NONE_STR); | |
9623 | else | |
9624 | vty_out(vty, "%u", bgp->vrf_id); | |
9625 | vty_out(vty, "\n"); | |
01eced22 AD |
9626 | vty_out(vty, "Default local pref %u, ", |
9627 | bgp->default_local_pref); | |
9628 | vty_out(vty, "local AS %u\n", bgp->as); | |
98ce9a06 | 9629 | vty_out(vty, BGP_SHOW_SCODE_HEADER); |
9df8b37c | 9630 | vty_out(vty, BGP_SHOW_NCODE_HEADER); |
98ce9a06 | 9631 | vty_out(vty, BGP_SHOW_OCODE_HEADER); |
d62a17ae | 9632 | if (type == bgp_show_type_dampend_paths |
9633 | || type == bgp_show_type_damp_neighbor) | |
98ce9a06 | 9634 | vty_out(vty, BGP_SHOW_DAMP_HEADER); |
a4d82a8a PZ |
9635 | else if (type == bgp_show_type_flap_statistics |
9636 | || type == bgp_show_type_flap_neighbor) | |
98ce9a06 | 9637 | vty_out(vty, BGP_SHOW_FLAP_HEADER); |
d62a17ae | 9638 | else |
98ce9a06 DS |
9639 | vty_out(vty, BGP_SHOW_HEADER); |
9640 | header = 0; | |
d62a17ae | 9641 | } |
98ce9a06 DS |
9642 | if (rd != NULL && !display && !output_count) { |
9643 | if (!use_json) | |
9644 | vty_out(vty, | |
9645 | "Route Distinguisher: %s\n", | |
9646 | rd); | |
d62a17ae | 9647 | } |
98ce9a06 DS |
9648 | if (type == bgp_show_type_dampend_paths |
9649 | || type == bgp_show_type_damp_neighbor) | |
a935f597 | 9650 | damp_route_vty_out(vty, &rn->p, pi, display, AFI_IP, |
a4d82a8a | 9651 | safi, use_json, json_paths); |
98ce9a06 DS |
9652 | else if (type == bgp_show_type_flap_statistics |
9653 | || type == bgp_show_type_flap_neighbor) | |
a935f597 | 9654 | flap_route_vty_out(vty, &rn->p, pi, display, AFI_IP, |
a4d82a8a | 9655 | safi, use_json, json_paths); |
98ce9a06 | 9656 | else |
40381db7 | 9657 | route_vty_out(vty, &rn->p, pi, display, safi, |
a4d82a8a | 9658 | json_paths); |
98ce9a06 | 9659 | display++; |
d62a17ae | 9660 | } |
9661 | ||
98ce9a06 DS |
9662 | if (display) { |
9663 | output_count++; | |
9664 | if (!use_json) | |
9665 | continue; | |
9666 | ||
9667 | p = &rn->p; | |
625d2931 PG |
9668 | /* encode prefix */ |
9669 | if (p->family == AF_FLOWSPEC) { | |
9670 | char retstr[BGP_FLOWSPEC_STRING_DISPLAY_MAX]; | |
9671 | ||
9672 | bgp_fs_nlri_get_string((unsigned char *) | |
9673 | p->u.prefix_flowspec.ptr, | |
9674 | p->u.prefix_flowspec | |
9675 | .prefixlen, | |
9676 | retstr, | |
9677 | NLRI_STRING_FORMAT_MIN, | |
9678 | NULL); | |
9679 | if (first) | |
9680 | vty_out(vty, "\"%s/%d\": ", | |
9681 | retstr, | |
9682 | p->u.prefix_flowspec.prefixlen); | |
9683 | else | |
9684 | vty_out(vty, ",\"%s/%d\": ", | |
9685 | retstr, | |
9686 | p->u.prefix_flowspec.prefixlen); | |
9687 | } else { | |
9688 | prefix2str(p, buf2, sizeof(buf2)); | |
9689 | if (first) | |
9690 | vty_out(vty, "\"%s\": ", buf2); | |
9691 | else | |
9692 | vty_out(vty, ",\"%s\": ", buf2); | |
9693 | } | |
98ce9a06 | 9694 | vty_out(vty, "%s", |
f4ec52f7 DA |
9695 | json_object_to_json_string_ext( |
9696 | json_paths, JSON_C_TO_STRING_PRETTY)); | |
98ce9a06 | 9697 | json_object_free(json_paths); |
449feb8e | 9698 | json_paths = NULL; |
98ce9a06 | 9699 | first = 0; |
1f83ed02 DS |
9700 | } else |
9701 | json_object_free(json_paths); | |
98ce9a06 DS |
9702 | } |
9703 | ||
1ae44dfc LB |
9704 | if (output_cum) { |
9705 | output_count += *output_cum; | |
9706 | *output_cum = output_count; | |
9707 | } | |
9708 | if (total_cum) { | |
9709 | total_count += *total_cum; | |
9710 | *total_cum = total_count; | |
9711 | } | |
d62a17ae | 9712 | if (use_json) { |
9386b588 | 9713 | if (rd) { |
a4d82a8a | 9714 | vty_out(vty, " }%s ", (is_last ? "" : ",")); |
9386b588 PZ |
9715 | } |
9716 | if (is_last) { | |
a4d82a8a PZ |
9717 | unsigned long i; |
9718 | for (i = 0; i < *json_header_depth; ++i) | |
9719 | vty_out(vty, " } "); | |
faf6559a | 9720 | vty_out(vty, "\n"); |
9386b588 | 9721 | } |
d62a17ae | 9722 | } else { |
1ae44dfc LB |
9723 | if (is_last) { |
9724 | /* No route is displayed */ | |
9725 | if (output_count == 0) { | |
9726 | if (type == bgp_show_type_normal) | |
9727 | vty_out(vty, | |
9728 | "No BGP prefixes displayed, %ld exist\n", | |
9729 | total_count); | |
9730 | } else | |
d62a17ae | 9731 | vty_out(vty, |
1ae44dfc LB |
9732 | "\nDisplayed %ld routes and %ld total paths\n", |
9733 | output_count, total_count); | |
9734 | } | |
d62a17ae | 9735 | } |
718e3744 | 9736 | |
d62a17ae | 9737 | return CMD_SUCCESS; |
718e3744 | 9738 | } |
9739 | ||
1ae44dfc LB |
9740 | int bgp_show_table_rd(struct vty *vty, struct bgp *bgp, safi_t safi, |
9741 | struct bgp_table *table, struct prefix_rd *prd_match, | |
9f049418 | 9742 | enum bgp_show_type type, void *output_arg, bool use_json) |
1ae44dfc LB |
9743 | { |
9744 | struct bgp_node *rn, *next; | |
9745 | unsigned long output_cum = 0; | |
9746 | unsigned long total_cum = 0; | |
9386b588 | 9747 | unsigned long json_header_depth = 0; |
67009e22 | 9748 | struct bgp_table *itable; |
0136788c LB |
9749 | bool show_msg; |
9750 | ||
9751 | show_msg = (!use_json && type == bgp_show_type_normal); | |
1ae44dfc LB |
9752 | |
9753 | for (rn = bgp_table_top(table); rn; rn = next) { | |
9754 | next = bgp_route_next(rn); | |
9755 | if (prd_match && memcmp(rn->p.u.val, prd_match->val, 8) != 0) | |
9756 | continue; | |
67009e22 DS |
9757 | |
9758 | itable = bgp_node_get_bgp_table_info(rn); | |
9759 | if (itable != NULL) { | |
1ae44dfc | 9760 | struct prefix_rd prd; |
06b9f471 | 9761 | char rd[RD_ADDRSTRLEN]; |
1ae44dfc LB |
9762 | |
9763 | memcpy(&prd, &(rn->p), sizeof(struct prefix_rd)); | |
06b9f471 | 9764 | prefix_rd2str(&prd, rd, sizeof(rd)); |
67009e22 DS |
9765 | bgp_show_table(vty, bgp, safi, itable, type, output_arg, |
9766 | use_json, rd, next == NULL, &output_cum, | |
9767 | &total_cum, &json_header_depth); | |
0136788c LB |
9768 | if (next == NULL) |
9769 | show_msg = false; | |
1ae44dfc LB |
9770 | } |
9771 | } | |
0136788c LB |
9772 | if (show_msg) { |
9773 | if (output_cum == 0) | |
9774 | vty_out(vty, "No BGP prefixes displayed, %ld exist\n", | |
9775 | total_cum); | |
9776 | else | |
9777 | vty_out(vty, | |
9778 | "\nDisplayed %ld routes and %ld total paths\n", | |
9779 | output_cum, total_cum); | |
9780 | } | |
1ae44dfc LB |
9781 | return CMD_SUCCESS; |
9782 | } | |
d62a17ae | 9783 | static int bgp_show(struct vty *vty, struct bgp *bgp, afi_t afi, safi_t safi, |
9f049418 | 9784 | enum bgp_show_type type, void *output_arg, bool use_json) |
fee0f4c6 | 9785 | { |
d62a17ae | 9786 | struct bgp_table *table; |
9386b588 | 9787 | unsigned long json_header_depth = 0; |
fee0f4c6 | 9788 | |
d62a17ae | 9789 | if (bgp == NULL) { |
9790 | bgp = bgp_get_default(); | |
9791 | } | |
fee0f4c6 | 9792 | |
d62a17ae | 9793 | if (bgp == NULL) { |
9794 | if (!use_json) | |
9795 | vty_out(vty, "No BGP process is configured\n"); | |
16307668 RW |
9796 | else |
9797 | vty_out(vty, "{}\n"); | |
d62a17ae | 9798 | return CMD_WARNING; |
9799 | } | |
4dd6177e | 9800 | |
1ae44dfc | 9801 | table = bgp->rib[afi][safi]; |
d62a17ae | 9802 | /* use MPLS and ENCAP specific shows until they are merged */ |
9803 | if (safi == SAFI_MPLS_VPN) { | |
1ae44dfc LB |
9804 | return bgp_show_table_rd(vty, bgp, safi, table, NULL, type, |
9805 | output_arg, use_json); | |
d62a17ae | 9806 | } |
dba3c1d3 PG |
9807 | |
9808 | if (safi == SAFI_FLOWSPEC && type == bgp_show_type_detail) { | |
9809 | return bgp_show_table_flowspec(vty, bgp, afi, table, type, | |
9810 | output_arg, use_json, | |
9811 | 1, NULL, NULL); | |
9812 | } | |
d62a17ae | 9813 | /* labeled-unicast routes live in the unicast table */ |
9814 | else if (safi == SAFI_LABELED_UNICAST) | |
9815 | safi = SAFI_UNICAST; | |
fee0f4c6 | 9816 | |
1ae44dfc | 9817 | return bgp_show_table(vty, bgp, safi, table, type, output_arg, use_json, |
9386b588 | 9818 | NULL, 1, NULL, NULL, &json_header_depth); |
fee0f4c6 | 9819 | } |
9820 | ||
d62a17ae | 9821 | static void bgp_show_all_instances_routes_vty(struct vty *vty, afi_t afi, |
9f049418 | 9822 | safi_t safi, bool use_json) |
f186de26 | 9823 | { |
d62a17ae | 9824 | struct listnode *node, *nnode; |
9825 | struct bgp *bgp; | |
9826 | int is_first = 1; | |
9f049418 | 9827 | bool route_output = false; |
f186de26 | 9828 | |
d62a17ae | 9829 | if (use_json) |
9830 | vty_out(vty, "{\n"); | |
9f689658 | 9831 | |
d62a17ae | 9832 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) { |
9f049418 | 9833 | route_output = true; |
d62a17ae | 9834 | if (use_json) { |
9835 | if (!is_first) | |
9836 | vty_out(vty, ",\n"); | |
9837 | else | |
9838 | is_first = 0; | |
9839 | ||
9840 | vty_out(vty, "\"%s\":", | |
9841 | (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
5742e42b | 9842 | ? VRF_DEFAULT_NAME |
d62a17ae | 9843 | : bgp->name); |
9844 | } else { | |
9845 | vty_out(vty, "\nInstance %s:\n", | |
9846 | (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
5742e42b | 9847 | ? VRF_DEFAULT_NAME |
d62a17ae | 9848 | : bgp->name); |
9849 | } | |
9850 | bgp_show(vty, bgp, afi, safi, bgp_show_type_normal, NULL, | |
9851 | use_json); | |
9852 | } | |
9f689658 | 9853 | |
d62a17ae | 9854 | if (use_json) |
9855 | vty_out(vty, "}\n"); | |
9f049418 DS |
9856 | else if (!route_output) |
9857 | vty_out(vty, "%% BGP instance not found\n"); | |
f186de26 | 9858 | } |
9859 | ||
718e3744 | 9860 | /* Header of detailed BGP route information */ |
d62a17ae | 9861 | void route_vty_out_detail_header(struct vty *vty, struct bgp *bgp, |
9862 | struct bgp_node *rn, struct prefix_rd *prd, | |
9863 | afi_t afi, safi_t safi, json_object *json) | |
9864 | { | |
40381db7 | 9865 | struct bgp_path_info *pi; |
d62a17ae | 9866 | struct prefix *p; |
9867 | struct peer *peer; | |
9868 | struct listnode *node, *nnode; | |
06b9f471 | 9869 | char buf1[RD_ADDRSTRLEN]; |
d62a17ae | 9870 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 9871 | char buf3[EVPN_ROUTE_STRLEN]; |
0291c246 | 9872 | char prefix_str[BUFSIZ]; |
d62a17ae | 9873 | int count = 0; |
9874 | int best = 0; | |
9875 | int suppress = 0; | |
c5f1e1b2 C |
9876 | int accept_own = 0; |
9877 | int route_filter_translated_v4 = 0; | |
9878 | int route_filter_v4 = 0; | |
9879 | int route_filter_translated_v6 = 0; | |
9880 | int route_filter_v6 = 0; | |
9881 | int llgr_stale = 0; | |
9882 | int no_llgr = 0; | |
9883 | int accept_own_nexthop = 0; | |
9884 | int blackhole = 0; | |
d62a17ae | 9885 | int no_export = 0; |
9886 | int no_advertise = 0; | |
9887 | int local_as = 0; | |
c5f1e1b2 | 9888 | int no_peer = 0; |
d62a17ae | 9889 | int first = 1; |
9890 | int has_valid_label = 0; | |
9891 | mpls_label_t label = 0; | |
9892 | json_object *json_adv_to = NULL; | |
9bedbb1e | 9893 | |
d62a17ae | 9894 | p = &rn->p; |
9895 | has_valid_label = bgp_is_valid_label(&rn->local_label); | |
9896 | ||
9897 | if (has_valid_label) | |
9898 | label = label_pton(&rn->local_label); | |
9899 | ||
44c69747 | 9900 | if (safi == SAFI_EVPN) { |
d62a17ae | 9901 | |
44c69747 | 9902 | if (!json) { |
d62a17ae | 9903 | vty_out(vty, "BGP routing table entry for %s%s%s\n", |
06b9f471 | 9904 | prd ? prefix_rd2str(prd, buf1, sizeof(buf1)) |
44c69747 | 9905 | : "", prd ? ":" : "", |
d62a17ae | 9906 | bgp_evpn_route2str((struct prefix_evpn *)p, |
44c69747 LK |
9907 | buf3, sizeof(buf3))); |
9908 | } else { | |
9909 | json_object_string_add(json, "rd", | |
9910 | prd ? prefix_rd2str(prd, buf1, sizeof(buf1)) : | |
9911 | ""); | |
9912 | bgp_evpn_route2json((struct prefix_evpn *)p, json); | |
9913 | } | |
9914 | } else { | |
9915 | if (!json) { | |
d62a17ae | 9916 | vty_out(vty, "BGP routing table entry for %s%s%s/%d\n", |
9917 | ((safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP) | |
44c69747 LK |
9918 | ? prefix_rd2str(prd, buf1, |
9919 | sizeof(buf1)) | |
9920 | : ""), | |
d62a17ae | 9921 | safi == SAFI_MPLS_VPN ? ":" : "", |
9922 | inet_ntop(p->family, &p->u.prefix, buf2, | |
44c69747 | 9923 | INET6_ADDRSTRLEN), |
d62a17ae | 9924 | p->prefixlen); |
cd1964ff | 9925 | |
44c69747 LK |
9926 | } else |
9927 | json_object_string_add(json, "prefix", | |
9928 | prefix2str(p, prefix_str, sizeof(prefix_str))); | |
9929 | } | |
9930 | ||
9931 | if (has_valid_label) { | |
9932 | if (json) | |
9933 | json_object_int_add(json, "localLabel", label); | |
9934 | else | |
d62a17ae | 9935 | vty_out(vty, "Local label: %d\n", label); |
44c69747 LK |
9936 | } |
9937 | ||
9938 | if (!json) | |
d62a17ae | 9939 | if (bgp_labeled_safi(safi) && safi != SAFI_EVPN) |
d62a17ae | 9940 | vty_out(vty, "not allocated\n"); |
718e3744 | 9941 | |
6f94b685 | 9942 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
d62a17ae | 9943 | count++; |
40381db7 | 9944 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
d62a17ae | 9945 | best = count; |
40381db7 | 9946 | if (pi->extra && pi->extra->suppress) |
d62a17ae | 9947 | suppress = 1; |
cee9c031 | 9948 | |
40381db7 | 9949 | if (pi->attr->community == NULL) |
cee9c031 QY |
9950 | continue; |
9951 | ||
9952 | no_advertise += community_include( | |
40381db7 DS |
9953 | pi->attr->community, COMMUNITY_NO_ADVERTISE); |
9954 | no_export += community_include(pi->attr->community, | |
cee9c031 | 9955 | COMMUNITY_NO_EXPORT); |
40381db7 | 9956 | local_as += community_include(pi->attr->community, |
cee9c031 | 9957 | COMMUNITY_LOCAL_AS); |
40381db7 | 9958 | accept_own += community_include(pi->attr->community, |
cee9c031 QY |
9959 | COMMUNITY_ACCEPT_OWN); |
9960 | route_filter_translated_v4 += community_include( | |
40381db7 | 9961 | pi->attr->community, |
cee9c031 QY |
9962 | COMMUNITY_ROUTE_FILTER_TRANSLATED_v4); |
9963 | route_filter_translated_v6 += community_include( | |
40381db7 | 9964 | pi->attr->community, |
cee9c031 QY |
9965 | COMMUNITY_ROUTE_FILTER_TRANSLATED_v6); |
9966 | route_filter_v4 += community_include( | |
40381db7 | 9967 | pi->attr->community, COMMUNITY_ROUTE_FILTER_v4); |
cee9c031 | 9968 | route_filter_v6 += community_include( |
40381db7 DS |
9969 | pi->attr->community, COMMUNITY_ROUTE_FILTER_v6); |
9970 | llgr_stale += community_include(pi->attr->community, | |
cee9c031 | 9971 | COMMUNITY_LLGR_STALE); |
40381db7 | 9972 | no_llgr += community_include(pi->attr->community, |
cee9c031 QY |
9973 | COMMUNITY_NO_LLGR); |
9974 | accept_own_nexthop += | |
40381db7 | 9975 | community_include(pi->attr->community, |
cee9c031 | 9976 | COMMUNITY_ACCEPT_OWN_NEXTHOP); |
40381db7 | 9977 | blackhole += community_include(pi->attr->community, |
cee9c031 | 9978 | COMMUNITY_BLACKHOLE); |
40381db7 | 9979 | no_peer += community_include(pi->attr->community, |
cee9c031 | 9980 | COMMUNITY_NO_PEER); |
d62a17ae | 9981 | } |
718e3744 | 9982 | } |
718e3744 | 9983 | |
d62a17ae | 9984 | if (!json) { |
9985 | vty_out(vty, "Paths: (%d available", count); | |
9986 | if (best) { | |
9987 | vty_out(vty, ", best #%d", best); | |
b84060bb PG |
9988 | if (safi == SAFI_UNICAST) { |
9989 | if (bgp->inst_type == BGP_INSTANCE_TYPE_DEFAULT) | |
9990 | vty_out(vty, ", table %s", | |
9991 | VRF_DEFAULT_NAME); | |
9992 | else | |
9993 | vty_out(vty, ", vrf %s", | |
9994 | bgp->name); | |
9995 | } | |
d62a17ae | 9996 | } else |
9997 | vty_out(vty, ", no best path"); | |
9998 | ||
c5f1e1b2 C |
9999 | if (accept_own) |
10000 | vty_out(vty, | |
10001 | ", accept own local route exported and imported in different VRF"); | |
10002 | else if (route_filter_translated_v4) | |
10003 | vty_out(vty, | |
10004 | ", mark translated RTs for VPNv4 route filtering"); | |
10005 | else if (route_filter_v4) | |
10006 | vty_out(vty, | |
10007 | ", attach RT as-is for VPNv4 route filtering"); | |
10008 | else if (route_filter_translated_v6) | |
10009 | vty_out(vty, | |
10010 | ", mark translated RTs for VPNv6 route filtering"); | |
10011 | else if (route_filter_v6) | |
10012 | vty_out(vty, | |
10013 | ", attach RT as-is for VPNv6 route filtering"); | |
10014 | else if (llgr_stale) | |
10015 | vty_out(vty, | |
10016 | ", mark routes to be retained for a longer time. Requeres support for Long-lived BGP Graceful Restart"); | |
10017 | else if (no_llgr) | |
10018 | vty_out(vty, | |
10019 | ", mark routes to not be treated according to Long-lived BGP Graceful Restart operations"); | |
10020 | else if (accept_own_nexthop) | |
10021 | vty_out(vty, | |
10022 | ", accept local nexthop"); | |
10023 | else if (blackhole) | |
10024 | vty_out(vty, ", inform peer to blackhole prefix"); | |
d62a17ae | 10025 | else if (no_export) |
10026 | vty_out(vty, ", not advertised to EBGP peer"); | |
c5f1e1b2 C |
10027 | else if (no_advertise) |
10028 | vty_out(vty, ", not advertised to any peer"); | |
d62a17ae | 10029 | else if (local_as) |
10030 | vty_out(vty, ", not advertised outside local AS"); | |
c5f1e1b2 C |
10031 | else if (no_peer) |
10032 | vty_out(vty, | |
10033 | ", inform EBGP peer not to advertise to their EBGP peers"); | |
d62a17ae | 10034 | |
10035 | if (suppress) | |
10036 | vty_out(vty, | |
10037 | ", Advertisements suppressed by an aggregate."); | |
10038 | vty_out(vty, ")\n"); | |
10039 | } | |
718e3744 | 10040 | |
d62a17ae | 10041 | /* If we are not using addpath then we can display Advertised to and |
10042 | * that will | |
10043 | * show what peers we advertised the bestpath to. If we are using | |
10044 | * addpath | |
10045 | * though then we must display Advertised to on a path-by-path basis. */ | |
dcc68b5e | 10046 | if (!bgp_addpath_is_addpath_used(&bgp->tx_addpath, afi, safi)) { |
d62a17ae | 10047 | for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) { |
10048 | if (bgp_adj_out_lookup(peer, rn, 0)) { | |
10049 | if (json && !json_adv_to) | |
10050 | json_adv_to = json_object_new_object(); | |
10051 | ||
10052 | route_vty_out_advertised_to( | |
10053 | vty, peer, &first, | |
10054 | " Advertised to non peer-group peers:\n ", | |
10055 | json_adv_to); | |
10056 | } | |
10057 | } | |
10058 | ||
10059 | if (json) { | |
10060 | if (json_adv_to) { | |
10061 | json_object_object_add(json, "advertisedTo", | |
10062 | json_adv_to); | |
10063 | } | |
10064 | } else { | |
10065 | if (first) | |
10066 | vty_out(vty, " Not advertised to any peer"); | |
10067 | vty_out(vty, "\n"); | |
10068 | } | |
10069 | } | |
718e3744 | 10070 | } |
10071 | ||
44c69747 LK |
10072 | static void bgp_show_path_info(struct prefix_rd *pfx_rd, |
10073 | struct bgp_node *bgp_node, struct vty *vty, | |
10074 | struct bgp *bgp, afi_t afi, | |
10075 | safi_t safi, json_object *json, | |
10076 | enum bgp_path_type pathtype, int *display) | |
10077 | { | |
10078 | struct bgp_path_info *pi; | |
10079 | int header = 1; | |
10080 | char rdbuf[RD_ADDRSTRLEN]; | |
10081 | json_object *json_header = NULL; | |
10082 | json_object *json_paths = NULL; | |
10083 | ||
10084 | for (pi = bgp_node_get_bgp_path_info(bgp_node); pi; | |
10085 | pi = pi->next) { | |
10086 | ||
10087 | if (json && !json_paths) { | |
10088 | /* Instantiate json_paths only if path is valid */ | |
10089 | json_paths = json_object_new_array(); | |
10090 | if (pfx_rd) { | |
10091 | prefix_rd2str(pfx_rd, rdbuf, sizeof(rdbuf)); | |
10092 | json_header = json_object_new_object(); | |
10093 | } else | |
10094 | json_header = json; | |
10095 | } | |
10096 | ||
10097 | if (header) { | |
10098 | route_vty_out_detail_header( | |
10099 | vty, bgp, bgp_node, pfx_rd, | |
10100 | AFI_IP, safi, json_header); | |
10101 | header = 0; | |
10102 | } | |
10103 | (*display)++; | |
10104 | ||
10105 | if (pathtype == BGP_PATH_SHOW_ALL | |
10106 | || (pathtype == BGP_PATH_SHOW_BESTPATH | |
10107 | && CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) | |
10108 | || (pathtype == BGP_PATH_SHOW_MULTIPATH | |
10109 | && (CHECK_FLAG(pi->flags, BGP_PATH_MULTIPATH) | |
10110 | || CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)))) | |
10111 | route_vty_out_detail(vty, bgp, bgp_node, | |
10112 | pi, AFI_IP, safi, | |
10113 | json_paths); | |
10114 | } | |
10115 | ||
10116 | if (json && json_paths) { | |
10117 | json_object_object_add(json_header, "paths", json_paths); | |
10118 | ||
10119 | if (pfx_rd) | |
10120 | json_object_object_add(json, rdbuf, json_header); | |
10121 | } | |
10122 | } | |
10123 | ||
718e3744 | 10124 | /* Display specified route of BGP table. */ |
d62a17ae | 10125 | static int bgp_show_route_in_table(struct vty *vty, struct bgp *bgp, |
10126 | struct bgp_table *rib, const char *ip_str, | |
10127 | afi_t afi, safi_t safi, | |
10128 | struct prefix_rd *prd, int prefix_check, | |
9f049418 | 10129 | enum bgp_path_type pathtype, bool use_json) |
d62a17ae | 10130 | { |
10131 | int ret; | |
d62a17ae | 10132 | int display = 0; |
10133 | struct prefix match; | |
10134 | struct bgp_node *rn; | |
10135 | struct bgp_node *rm; | |
d62a17ae | 10136 | struct bgp_table *table; |
10137 | json_object *json = NULL; | |
10138 | json_object *json_paths = NULL; | |
10139 | ||
10140 | /* Check IP address argument. */ | |
10141 | ret = str2prefix(ip_str, &match); | |
10142 | if (!ret) { | |
10143 | vty_out(vty, "address is malformed\n"); | |
10144 | return CMD_WARNING; | |
10145 | } | |
718e3744 | 10146 | |
d62a17ae | 10147 | match.family = afi2family(afi); |
b05a1c8b | 10148 | |
44c69747 | 10149 | if (use_json) |
d62a17ae | 10150 | json = json_object_new_object(); |
718e3744 | 10151 | |
44c69747 | 10152 | if (safi == SAFI_MPLS_VPN || safi == SAFI_ENCAP) { |
d62a17ae | 10153 | for (rn = bgp_table_top(rib); rn; rn = bgp_route_next(rn)) { |
10154 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
10155 | continue; | |
67009e22 DS |
10156 | table = bgp_node_get_bgp_table_info(rn); |
10157 | if (!table) | |
ea47320b | 10158 | continue; |
d62a17ae | 10159 | |
ea47320b DL |
10160 | if ((rm = bgp_node_match(table, &match)) == NULL) |
10161 | continue; | |
d62a17ae | 10162 | |
ea47320b DL |
10163 | if (prefix_check |
10164 | && rm->p.prefixlen != match.prefixlen) { | |
10165 | bgp_unlock_node(rm); | |
10166 | continue; | |
10167 | } | |
d62a17ae | 10168 | |
44c69747 LK |
10169 | bgp_show_path_info((struct prefix_rd *)&rn->p, rm, |
10170 | vty, bgp, afi, safi, json, | |
10171 | pathtype, &display); | |
10172 | ||
10173 | bgp_unlock_node(rm); | |
10174 | } | |
10175 | } else if (safi == SAFI_EVPN) { | |
10176 | struct bgp_node *longest_pfx; | |
10177 | bool is_exact_pfxlen_match = FALSE; | |
10178 | ||
10179 | for (rn = bgp_table_top(rib); rn; rn = bgp_route_next(rn)) { | |
10180 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
10181 | continue; | |
10182 | table = bgp_node_get_bgp_table_info(rn); | |
10183 | if (!table) | |
10184 | continue; | |
10185 | ||
10186 | longest_pfx = NULL; | |
10187 | is_exact_pfxlen_match = FALSE; | |
10188 | /* | |
10189 | * Search through all the prefixes for a match. The | |
10190 | * pfx's are enumerated in ascending order of pfxlens. | |
10191 | * So, the last pfx match is the longest match. Set | |
10192 | * is_exact_pfxlen_match when we get exact pfxlen match | |
10193 | */ | |
10194 | for (rm = bgp_table_top(table); rm; | |
10195 | rm = bgp_route_next(rm)) { | |
10196 | /* | |
10197 | * Get prefixlen of the ip-prefix within type5 | |
10198 | * evpn route | |
10199 | */ | |
10200 | if (evpn_type5_prefix_match(&rm->p, | |
10201 | &match) && rm->info) { | |
10202 | longest_pfx = rm; | |
10203 | int type5_pfxlen = | |
10204 | bgp_evpn_get_type5_prefixlen(&rm->p); | |
10205 | if (type5_pfxlen == match.prefixlen) { | |
10206 | is_exact_pfxlen_match = TRUE; | |
10207 | bgp_unlock_node(rm); | |
10208 | break; | |
10209 | } | |
d62a17ae | 10210 | } |
10211 | } | |
ea47320b | 10212 | |
44c69747 LK |
10213 | if (!longest_pfx) |
10214 | continue; | |
10215 | ||
10216 | if (prefix_check && !is_exact_pfxlen_match) | |
10217 | continue; | |
10218 | ||
10219 | rm = longest_pfx; | |
10220 | bgp_lock_node(rm); | |
10221 | ||
10222 | bgp_show_path_info((struct prefix_rd *)&rn->p, rm, | |
10223 | vty, bgp, afi, safi, json, | |
10224 | pathtype, &display); | |
10225 | ||
ea47320b | 10226 | bgp_unlock_node(rm); |
d62a17ae | 10227 | } |
98a9dbc7 | 10228 | } else if (safi == SAFI_FLOWSPEC) { |
44c69747 LK |
10229 | if (use_json) |
10230 | json_paths = json_object_new_array(); | |
10231 | ||
63a0b7a9 PG |
10232 | display = bgp_flowspec_display_match_per_ip(afi, rib, |
10233 | &match, prefix_check, | |
10234 | vty, | |
10235 | use_json, | |
10236 | json_paths); | |
44c69747 LK |
10237 | if (use_json && display) |
10238 | json_object_object_add(json, "paths", json_paths); | |
d62a17ae | 10239 | } else { |
d62a17ae | 10240 | if ((rn = bgp_node_match(rib, &match)) != NULL) { |
10241 | if (!prefix_check | |
10242 | || rn->p.prefixlen == match.prefixlen) { | |
44c69747 LK |
10243 | bgp_show_path_info(NULL, rn, vty, bgp, afi, |
10244 | safi, json, | |
10245 | pathtype, &display); | |
d62a17ae | 10246 | } |
10247 | ||
10248 | bgp_unlock_node(rn); | |
10249 | } | |
10250 | } | |
e5eee9af | 10251 | |
d62a17ae | 10252 | if (use_json) { |
996c9314 | 10253 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
44c69747 LK |
10254 | json, JSON_C_TO_STRING_PRETTY | |
10255 | JSON_C_TO_STRING_NOSLASHESCAPE)); | |
d62a17ae | 10256 | json_object_free(json); |
10257 | } else { | |
10258 | if (!display) { | |
10259 | vty_out(vty, "%% Network not in table\n"); | |
10260 | return CMD_WARNING; | |
10261 | } | |
10262 | } | |
b05a1c8b | 10263 | |
d62a17ae | 10264 | return CMD_SUCCESS; |
718e3744 | 10265 | } |
10266 | ||
fee0f4c6 | 10267 | /* Display specified route of Main RIB */ |
d62a17ae | 10268 | static int bgp_show_route(struct vty *vty, struct bgp *bgp, const char *ip_str, |
10269 | afi_t afi, safi_t safi, struct prefix_rd *prd, | |
10270 | int prefix_check, enum bgp_path_type pathtype, | |
9f049418 | 10271 | bool use_json) |
d62a17ae | 10272 | { |
9b86009a | 10273 | if (!bgp) { |
d62a17ae | 10274 | bgp = bgp_get_default(); |
9b86009a RW |
10275 | if (!bgp) { |
10276 | if (!use_json) | |
10277 | vty_out(vty, "No BGP process is configured\n"); | |
16307668 RW |
10278 | else |
10279 | vty_out(vty, "{}\n"); | |
9b86009a RW |
10280 | return CMD_WARNING; |
10281 | } | |
10282 | } | |
d62a17ae | 10283 | |
10284 | /* labeled-unicast routes live in the unicast table */ | |
10285 | if (safi == SAFI_LABELED_UNICAST) | |
10286 | safi = SAFI_UNICAST; | |
10287 | ||
10288 | return bgp_show_route_in_table(vty, bgp, bgp->rib[afi][safi], ip_str, | |
10289 | afi, safi, prd, prefix_check, pathtype, | |
10290 | use_json); | |
10291 | } | |
10292 | ||
10293 | static int bgp_show_lcommunity(struct vty *vty, struct bgp *bgp, int argc, | |
36a206db | 10294 | struct cmd_token **argv, bool exact, afi_t afi, |
10295 | safi_t safi, bool uj) | |
d62a17ae | 10296 | { |
10297 | struct lcommunity *lcom; | |
10298 | struct buffer *b; | |
10299 | int i; | |
10300 | char *str; | |
10301 | int first = 0; | |
10302 | ||
10303 | b = buffer_new(1024); | |
10304 | for (i = 0; i < argc; i++) { | |
10305 | if (first) | |
10306 | buffer_putc(b, ' '); | |
10307 | else { | |
10308 | if (strmatch(argv[i]->text, "AA:BB:CC")) { | |
10309 | first = 1; | |
10310 | buffer_putstr(b, argv[i]->arg); | |
10311 | } | |
10312 | } | |
10313 | } | |
10314 | buffer_putc(b, '\0'); | |
57d187bc | 10315 | |
d62a17ae | 10316 | str = buffer_getstr(b); |
10317 | buffer_free(b); | |
57d187bc | 10318 | |
d62a17ae | 10319 | lcom = lcommunity_str2com(str); |
10320 | XFREE(MTYPE_TMP, str); | |
10321 | if (!lcom) { | |
10322 | vty_out(vty, "%% Large-community malformed\n"); | |
10323 | return CMD_WARNING; | |
10324 | } | |
57d187bc | 10325 | |
36a206db | 10326 | return bgp_show(vty, bgp, afi, safi, |
10327 | (exact ? bgp_show_type_lcommunity_exact | |
10328 | : bgp_show_type_lcommunity), | |
10329 | lcom, uj); | |
57d187bc JS |
10330 | } |
10331 | ||
d62a17ae | 10332 | static int bgp_show_lcommunity_list(struct vty *vty, struct bgp *bgp, |
36a206db | 10333 | const char *lcom, bool exact, afi_t afi, |
10334 | safi_t safi, bool uj) | |
57d187bc | 10335 | { |
d62a17ae | 10336 | struct community_list *list; |
57d187bc | 10337 | |
e237b0d2 | 10338 | list = community_list_lookup(bgp_clist, lcom, 0, |
d62a17ae | 10339 | LARGE_COMMUNITY_LIST_MASTER); |
10340 | if (list == NULL) { | |
10341 | vty_out(vty, "%% %s is not a valid large-community-list name\n", | |
10342 | lcom); | |
10343 | return CMD_WARNING; | |
10344 | } | |
57d187bc | 10345 | |
36a206db | 10346 | return bgp_show(vty, bgp, afi, safi, |
10347 | (exact ? bgp_show_type_lcommunity_list_exact | |
10348 | : bgp_show_type_lcommunity_list), | |
d62a17ae | 10349 | list, uj); |
fee0f4c6 | 10350 | } |
10351 | ||
52951b63 DS |
10352 | DEFUN (show_ip_bgp_large_community_list, |
10353 | show_ip_bgp_large_community_list_cmd, | |
36a206db | 10354 | "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 |
10355 | SHOW_STR |
10356 | IP_STR | |
10357 | BGP_STR | |
10358 | BGP_INSTANCE_HELP_STR | |
9bedbb1e | 10359 | BGP_AFI_HELP_STR |
4dd6177e | 10360 | BGP_SAFI_WITH_LABEL_HELP_STR |
52951b63 DS |
10361 | "Display routes matching the large-community-list\n" |
10362 | "large-community-list number\n" | |
10363 | "large-community-list name\n" | |
36a206db | 10364 | "Exact match of the large-communities\n" |
52951b63 DS |
10365 | JSON_STR) |
10366 | { | |
d62a17ae | 10367 | char *vrf = NULL; |
10368 | afi_t afi = AFI_IP6; | |
10369 | safi_t safi = SAFI_UNICAST; | |
10370 | int idx = 0; | |
36a206db | 10371 | bool exact_match = 0; |
d62a17ae | 10372 | |
10373 | if (argv_find(argv, argc, "ip", &idx)) | |
10374 | afi = AFI_IP; | |
10375 | if (argv_find(argv, argc, "view", &idx) | |
10376 | || argv_find(argv, argc, "vrf", &idx)) | |
10377 | vrf = argv[++idx]->arg; | |
10378 | if (argv_find(argv, argc, "ipv4", &idx) | |
10379 | || argv_find(argv, argc, "ipv6", &idx)) { | |
10380 | afi = strmatch(argv[idx]->text, "ipv6") ? AFI_IP6 : AFI_IP; | |
10381 | if (argv_find(argv, argc, "unicast", &idx) | |
10382 | || argv_find(argv, argc, "multicast", &idx)) | |
10383 | safi = bgp_vty_safi_from_str(argv[idx]->text); | |
10384 | } | |
10385 | ||
9f049418 | 10386 | bool uj = use_json(argc, argv); |
d62a17ae | 10387 | |
10388 | struct bgp *bgp = bgp_lookup_by_name(vrf); | |
10389 | if (bgp == NULL) { | |
10390 | vty_out(vty, "Can't find BGP instance %s\n", vrf); | |
10391 | return CMD_WARNING; | |
10392 | } | |
10393 | ||
10394 | argv_find(argv, argc, "large-community-list", &idx); | |
36a206db | 10395 | |
10396 | const char *clist_number_or_name = argv[++idx]->arg; | |
10397 | ||
10398 | if (++idx < argc && strmatch(argv[idx]->text, "exact-match")) | |
10399 | exact_match = 1; | |
10400 | ||
10401 | return bgp_show_lcommunity_list(vty, bgp, clist_number_or_name, | |
10402 | exact_match, afi, safi, uj); | |
52951b63 DS |
10403 | } |
10404 | DEFUN (show_ip_bgp_large_community, | |
10405 | show_ip_bgp_large_community_cmd, | |
36a206db | 10406 | "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 |
10407 | SHOW_STR |
10408 | IP_STR | |
10409 | BGP_STR | |
10410 | BGP_INSTANCE_HELP_STR | |
9bedbb1e | 10411 | BGP_AFI_HELP_STR |
4dd6177e | 10412 | BGP_SAFI_WITH_LABEL_HELP_STR |
52951b63 DS |
10413 | "Display routes matching the large-communities\n" |
10414 | "List of large-community numbers\n" | |
36a206db | 10415 | "Exact match of the large-communities\n" |
52951b63 DS |
10416 | JSON_STR) |
10417 | { | |
d62a17ae | 10418 | char *vrf = NULL; |
10419 | afi_t afi = AFI_IP6; | |
10420 | safi_t safi = SAFI_UNICAST; | |
10421 | int idx = 0; | |
36a206db | 10422 | bool exact_match = 0; |
d62a17ae | 10423 | |
10424 | if (argv_find(argv, argc, "ip", &idx)) | |
10425 | afi = AFI_IP; | |
10426 | if (argv_find(argv, argc, "view", &idx) | |
10427 | || argv_find(argv, argc, "vrf", &idx)) | |
10428 | vrf = argv[++idx]->arg; | |
10429 | if (argv_find(argv, argc, "ipv4", &idx) | |
10430 | || argv_find(argv, argc, "ipv6", &idx)) { | |
10431 | afi = strmatch(argv[idx]->text, "ipv6") ? AFI_IP6 : AFI_IP; | |
10432 | if (argv_find(argv, argc, "unicast", &idx) | |
10433 | || argv_find(argv, argc, "multicast", &idx)) | |
10434 | safi = bgp_vty_safi_from_str(argv[idx]->text); | |
10435 | } | |
10436 | ||
9f049418 | 10437 | bool uj = use_json(argc, argv); |
d62a17ae | 10438 | |
10439 | struct bgp *bgp = bgp_lookup_by_name(vrf); | |
10440 | if (bgp == NULL) { | |
10441 | vty_out(vty, "Can't find BGP instance %s\n", vrf); | |
10442 | return CMD_WARNING; | |
10443 | } | |
10444 | ||
36a206db | 10445 | if (argv_find(argv, argc, "AA:BB:CC", &idx)) { |
10446 | if (argv_find(argv, argc, "exact-match", &idx)) | |
10447 | exact_match = 1; | |
10448 | return bgp_show_lcommunity(vty, bgp, argc, argv, | |
10449 | exact_match, afi, safi, uj); | |
10450 | } else | |
d62a17ae | 10451 | return bgp_show(vty, bgp, afi, safi, |
10452 | bgp_show_type_lcommunity_all, NULL, uj); | |
52951b63 DS |
10453 | } |
10454 | ||
d62a17ae | 10455 | static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi, |
10456 | safi_t safi); | |
e01ca200 | 10457 | |
7b2ff250 DW |
10458 | |
10459 | /* BGP route print out function without JSON */ | |
af462945 DS |
10460 | DEFUN (show_ip_bgp, |
10461 | show_ip_bgp_cmd, | |
4dd6177e | 10462 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]\ |
7b2ff250 DW |
10463 | <dampening <parameters>\ |
10464 | |route-map WORD\ | |
10465 | |prefix-list WORD\ | |
10466 | |filter-list WORD\ | |
10467 | |statistics\ | |
7b2ff250 DW |
10468 | |community-list <(1-500)|WORD> [exact-match]\ |
10469 | |A.B.C.D/M longer-prefixes\ | |
10470 | |X:X::X:X/M longer-prefixes\ | |
10471 | >", | |
718e3744 | 10472 | SHOW_STR |
10473 | IP_STR | |
10474 | BGP_STR | |
a636c635 | 10475 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10476 | BGP_AFI_HELP_STR |
4dd6177e | 10477 | BGP_SAFI_WITH_LABEL_HELP_STR |
a636c635 | 10478 | "Display detailed information about dampening\n" |
af462945 | 10479 | "Display detail of configured dampening parameters\n" |
a636c635 DW |
10480 | "Display routes matching the route-map\n" |
10481 | "A route-map to match on\n" | |
10482 | "Display routes conforming to the prefix-list\n" | |
8c3deaae | 10483 | "Prefix-list name\n" |
a636c635 DW |
10484 | "Display routes conforming to the filter-list\n" |
10485 | "Regular expression access list name\n" | |
e01ca200 | 10486 | "BGP RIB advertisement statistics\n" |
a636c635 DW |
10487 | "Display routes matching the community-list\n" |
10488 | "community-list number\n" | |
10489 | "community-list name\n" | |
10490 | "Exact match of the communities\n" | |
0c7b1b01 | 10491 | "IPv4 prefix\n" |
8c3deaae | 10492 | "Display route and more specific routes\n" |
0c7b1b01 | 10493 | "IPv6 prefix\n" |
7b2ff250 | 10494 | "Display route and more specific routes\n") |
718e3744 | 10495 | { |
d62a17ae | 10496 | afi_t afi = AFI_IP6; |
10497 | safi_t safi = SAFI_UNICAST; | |
10498 | int exact_match = 0; | |
d62a17ae | 10499 | struct bgp *bgp = NULL; |
10500 | int idx = 0; | |
10501 | ||
10502 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10503 | &bgp, false); |
d62a17ae | 10504 | if (!idx) |
10505 | return CMD_WARNING; | |
10506 | ||
d62a17ae | 10507 | if (argv_find(argv, argc, "dampening", &idx)) { |
7b2ff250 | 10508 | if (argv_find(argv, argc, "parameters", &idx)) |
d62a17ae | 10509 | return bgp_show_dampening_parameters(vty, afi, safi); |
10510 | } | |
c016b6c7 | 10511 | |
d62a17ae | 10512 | if (argv_find(argv, argc, "prefix-list", &idx)) |
10513 | return bgp_show_prefix_list(vty, bgp, argv[idx + 1]->arg, afi, | |
10514 | safi, bgp_show_type_prefix_list); | |
10515 | ||
10516 | if (argv_find(argv, argc, "filter-list", &idx)) | |
10517 | return bgp_show_filter_list(vty, bgp, argv[idx + 1]->arg, afi, | |
10518 | safi, bgp_show_type_filter_list); | |
10519 | ||
10520 | if (argv_find(argv, argc, "statistics", &idx)) | |
10521 | return bgp_table_stats(vty, bgp, afi, safi); | |
10522 | ||
10523 | if (argv_find(argv, argc, "route-map", &idx)) | |
10524 | return bgp_show_route_map(vty, bgp, argv[idx + 1]->arg, afi, | |
10525 | safi, bgp_show_type_route_map); | |
10526 | ||
d62a17ae | 10527 | if (argv_find(argv, argc, "community-list", &idx)) { |
10528 | const char *clist_number_or_name = argv[++idx]->arg; | |
10529 | if (++idx < argc && strmatch(argv[idx]->text, "exact-match")) | |
10530 | exact_match = 1; | |
10531 | return bgp_show_community_list(vty, bgp, clist_number_or_name, | |
10532 | exact_match, afi, safi); | |
10533 | } | |
10534 | /* prefix-longer */ | |
10535 | if (argv_find(argv, argc, "A.B.C.D/M", &idx) | |
10536 | || argv_find(argv, argc, "X:X::X:X/M", &idx)) | |
10537 | return bgp_show_prefix_longer(vty, bgp, argv[idx]->arg, afi, | |
10538 | safi, | |
10539 | bgp_show_type_prefix_longer); | |
10540 | ||
7b2ff250 DW |
10541 | return CMD_WARNING; |
10542 | } | |
10543 | ||
10544 | /* BGP route print out function with JSON */ | |
10545 | DEFUN (show_ip_bgp_json, | |
10546 | show_ip_bgp_json_cmd, | |
10547 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]\ | |
cf4898bc QY |
10548 | [cidr-only\ |
10549 | |dampening <flap-statistics|dampened-paths>\ | |
10550 | |community [AA:NN|local-AS|no-advertise|no-export\ | |
10551 | |graceful-shutdown|no-peer|blackhole|llgr-stale|no-llgr\ | |
10552 | |accept-own|accept-own-nexthop|route-filter-v6\ | |
10553 | |route-filter-v4|route-filter-translated-v6\ | |
10554 | |route-filter-translated-v4] [exact-match]\ | |
10555 | ] [json]", | |
7b2ff250 DW |
10556 | SHOW_STR |
10557 | IP_STR | |
10558 | BGP_STR | |
10559 | BGP_INSTANCE_HELP_STR | |
10560 | BGP_AFI_HELP_STR | |
10561 | BGP_SAFI_WITH_LABEL_HELP_STR | |
10562 | "Display only routes with non-natural netmasks\n" | |
10563 | "Display detailed information about dampening\n" | |
10564 | "Display flap statistics of routes\n" | |
10565 | "Display paths suppressed due to dampening\n" | |
10566 | "Display routes matching the communities\n" | |
d0086e8e AD |
10567 | COMMUNITY_AANN_STR |
10568 | "Do not send outside local AS (well-known community)\n" | |
10569 | "Do not advertise to any peer (well-known community)\n" | |
10570 | "Do not export to next AS (well-known community)\n" | |
10571 | "Graceful shutdown (well-known community)\n" | |
cf4898bc QY |
10572 | "Do not export to any peer (well-known community)\n" |
10573 | "Inform EBGP peers to blackhole traffic to prefix (well-known community)\n" | |
10574 | "Staled Long-lived Graceful Restart VPN route (well-known community)\n" | |
10575 | "Removed because Long-lived Graceful Restart was not enabled for VPN route (well-known community)\n" | |
10576 | "Should accept local VPN route if exported and imported into different VRF (well-known community)\n" | |
10577 | "Should accept VPN route with local nexthop (well-known community)\n" | |
10578 | "RT VPNv6 route filtering (well-known community)\n" | |
10579 | "RT VPNv4 route filtering (well-known community)\n" | |
10580 | "RT translated VPNv6 route filtering (well-known community)\n" | |
10581 | "RT translated VPNv4 route filtering (well-known community)\n" | |
d0086e8e | 10582 | "Exact match of the communities\n" |
7b2ff250 DW |
10583 | JSON_STR) |
10584 | { | |
10585 | afi_t afi = AFI_IP6; | |
10586 | safi_t safi = SAFI_UNICAST; | |
10587 | enum bgp_show_type sh_type = bgp_show_type_normal; | |
10588 | struct bgp *bgp = NULL; | |
10589 | int idx = 0; | |
d0086e8e | 10590 | int exact_match = 0; |
9f049418 DS |
10591 | bool uj = use_json(argc, argv); |
10592 | ||
10593 | if (uj) | |
10594 | argc--; | |
7b2ff250 DW |
10595 | |
10596 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10597 | &bgp, uj); |
7b2ff250 DW |
10598 | if (!idx) |
10599 | return CMD_WARNING; | |
10600 | ||
7b2ff250 DW |
10601 | if (argv_find(argv, argc, "cidr-only", &idx)) |
10602 | return bgp_show(vty, bgp, afi, safi, bgp_show_type_cidr_only, | |
10603 | NULL, uj); | |
10604 | ||
10605 | if (argv_find(argv, argc, "dampening", &idx)) { | |
10606 | if (argv_find(argv, argc, "dampened-paths", &idx)) | |
10607 | return bgp_show(vty, bgp, afi, safi, | |
10608 | bgp_show_type_dampend_paths, NULL, uj); | |
10609 | else if (argv_find(argv, argc, "flap-statistics", &idx)) | |
10610 | return bgp_show(vty, bgp, afi, safi, | |
10611 | bgp_show_type_flap_statistics, NULL, | |
10612 | uj); | |
10613 | } | |
10614 | ||
10615 | if (argv_find(argv, argc, "community", &idx)) { | |
79bc257a | 10616 | char *maybecomm = NULL; |
cf4898bc | 10617 | char *community = NULL; |
d0086e8e | 10618 | |
79bc257a RW |
10619 | if (idx + 1 < argc) { |
10620 | if (argv[idx + 1]->type == VARIABLE_TKN) | |
10621 | maybecomm = argv[idx + 1]->arg; | |
10622 | else | |
10623 | maybecomm = argv[idx + 1]->text; | |
10624 | } | |
10625 | ||
cf4898bc QY |
10626 | if (maybecomm && !strmatch(maybecomm, "json") |
10627 | && !strmatch(maybecomm, "exact-match")) | |
10628 | community = maybecomm; | |
d0086e8e | 10629 | |
cf4898bc QY |
10630 | if (argv_find(argv, argc, "exact-match", &idx)) |
10631 | exact_match = 1; | |
d0086e8e | 10632 | |
cf4898bc QY |
10633 | if (community) |
10634 | return bgp_show_community(vty, bgp, community, | |
10635 | exact_match, afi, safi, uj); | |
10636 | else | |
d0086e8e | 10637 | return (bgp_show(vty, bgp, afi, safi, |
cf4898bc QY |
10638 | bgp_show_type_community_all, NULL, |
10639 | uj)); | |
7b2ff250 | 10640 | } |
d0086e8e | 10641 | |
1ae44dfc | 10642 | return bgp_show(vty, bgp, afi, safi, sh_type, NULL, uj); |
a636c635 | 10643 | } |
47fc97cc | 10644 | |
718e3744 | 10645 | DEFUN (show_ip_bgp_route, |
10646 | show_ip_bgp_route_cmd, | |
4dd6177e | 10647 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]" |
ae19d7dd | 10648 | "<A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> [<bestpath|multipath>] [json]", |
718e3744 | 10649 | SHOW_STR |
10650 | IP_STR | |
10651 | BGP_STR | |
a636c635 | 10652 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10653 | BGP_AFI_HELP_STR |
4dd6177e | 10654 | BGP_SAFI_WITH_LABEL_HELP_STR |
b05a1c8b | 10655 | "Network in the BGP routing table to display\n" |
0c7b1b01 | 10656 | "IPv4 prefix\n" |
8c3deaae | 10657 | "Network in the BGP routing table to display\n" |
0c7b1b01 | 10658 | "IPv6 prefix\n" |
4092b06c | 10659 | "Display only the bestpath\n" |
b05a1c8b | 10660 | "Display only multipaths\n" |
9973d184 | 10661 | JSON_STR) |
4092b06c | 10662 | { |
d62a17ae | 10663 | int prefix_check = 0; |
ae19d7dd | 10664 | |
d62a17ae | 10665 | afi_t afi = AFI_IP6; |
10666 | safi_t safi = SAFI_UNICAST; | |
10667 | char *prefix = NULL; | |
10668 | struct bgp *bgp = NULL; | |
10669 | enum bgp_path_type path_type; | |
9f049418 | 10670 | bool uj = use_json(argc, argv); |
b05a1c8b | 10671 | |
d62a17ae | 10672 | int idx = 0; |
ae19d7dd | 10673 | |
d62a17ae | 10674 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 10675 | &bgp, uj); |
d62a17ae | 10676 | if (!idx) |
10677 | return CMD_WARNING; | |
c41247f5 | 10678 | |
d62a17ae | 10679 | if (!bgp) { |
10680 | vty_out(vty, | |
10681 | "Specified 'all' vrf's but this command currently only works per view/vrf\n"); | |
10682 | return CMD_WARNING; | |
10683 | } | |
a636c635 | 10684 | |
d62a17ae | 10685 | /* <A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> */ |
10686 | if (argv_find(argv, argc, "A.B.C.D", &idx) | |
10687 | || argv_find(argv, argc, "X:X::X:X", &idx)) | |
10688 | prefix_check = 0; | |
10689 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx) | |
10690 | || argv_find(argv, argc, "X:X::X:X/M", &idx)) | |
10691 | prefix_check = 1; | |
10692 | ||
10693 | if ((argv[idx]->type == IPV6_TKN || argv[idx]->type == IPV6_PREFIX_TKN) | |
10694 | && afi != AFI_IP6) { | |
10695 | vty_out(vty, | |
10696 | "%% Cannot specify IPv6 address or prefix with IPv4 AFI\n"); | |
10697 | return CMD_WARNING; | |
10698 | } | |
10699 | if ((argv[idx]->type == IPV4_TKN || argv[idx]->type == IPV4_PREFIX_TKN) | |
10700 | && afi != AFI_IP) { | |
10701 | vty_out(vty, | |
10702 | "%% Cannot specify IPv4 address or prefix with IPv6 AFI\n"); | |
10703 | return CMD_WARNING; | |
10704 | } | |
10705 | ||
10706 | prefix = argv[idx]->arg; | |
10707 | ||
10708 | /* [<bestpath|multipath>] */ | |
10709 | if (argv_find(argv, argc, "bestpath", &idx)) | |
360660c6 | 10710 | path_type = BGP_PATH_SHOW_BESTPATH; |
d62a17ae | 10711 | else if (argv_find(argv, argc, "multipath", &idx)) |
360660c6 | 10712 | path_type = BGP_PATH_SHOW_MULTIPATH; |
d62a17ae | 10713 | else |
360660c6 | 10714 | path_type = BGP_PATH_SHOW_ALL; |
a636c635 | 10715 | |
d62a17ae | 10716 | return bgp_show_route(vty, bgp, prefix, afi, safi, NULL, prefix_check, |
10717 | path_type, uj); | |
4092b06c DS |
10718 | } |
10719 | ||
8c3deaae QY |
10720 | DEFUN (show_ip_bgp_regexp, |
10721 | show_ip_bgp_regexp_cmd, | |
3e5b31b3 | 10722 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] regexp REGEX [json]", |
8c3deaae QY |
10723 | SHOW_STR |
10724 | IP_STR | |
10725 | BGP_STR | |
b00b230a | 10726 | BGP_INSTANCE_HELP_STR |
4f280b15 | 10727 | BGP_AFI_HELP_STR |
4dd6177e | 10728 | BGP_SAFI_WITH_LABEL_HELP_STR |
8c3deaae | 10729 | "Display routes matching the AS path regular expression\n" |
3e5b31b3 DA |
10730 | "A regular-expression (1234567890_^|[,{}() ]$*+.?-\\) to match the BGP AS paths\n" |
10731 | JSON_STR) | |
8c3deaae | 10732 | { |
d62a17ae | 10733 | afi_t afi = AFI_IP6; |
10734 | safi_t safi = SAFI_UNICAST; | |
10735 | struct bgp *bgp = NULL; | |
3e5b31b3 DA |
10736 | bool uj = use_json(argc, argv); |
10737 | char *regstr = NULL; | |
8c3deaae | 10738 | |
d62a17ae | 10739 | int idx = 0; |
10740 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 10741 | &bgp, false); |
d62a17ae | 10742 | if (!idx) |
10743 | return CMD_WARNING; | |
8c3deaae | 10744 | |
d62a17ae | 10745 | // get index of regex |
3e5b31b3 DA |
10746 | if (argv_find(argv, argc, "REGEX", &idx)) |
10747 | regstr = argv[idx]->arg; | |
8c3deaae | 10748 | |
5f71d11c | 10749 | assert(regstr); |
3e5b31b3 DA |
10750 | return bgp_show_regexp(vty, bgp, (const char *)regstr, afi, safi, |
10751 | bgp_show_type_regexp, uj); | |
8c3deaae QY |
10752 | } |
10753 | ||
a636c635 DW |
10754 | DEFUN (show_ip_bgp_instance_all, |
10755 | show_ip_bgp_instance_all_cmd, | |
4dd6177e | 10756 | "show [ip] bgp <view|vrf> all ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] [json]", |
4092b06c | 10757 | SHOW_STR |
a636c635 | 10758 | IP_STR |
4092b06c | 10759 | BGP_STR |
a636c635 | 10760 | BGP_INSTANCE_ALL_HELP_STR |
4f280b15 | 10761 | BGP_AFI_HELP_STR |
4dd6177e | 10762 | BGP_SAFI_WITH_LABEL_HELP_STR |
9973d184 | 10763 | JSON_STR) |
4092b06c | 10764 | { |
d62a17ae | 10765 | afi_t afi = AFI_IP; |
10766 | safi_t safi = SAFI_UNICAST; | |
10767 | struct bgp *bgp = NULL; | |
d62a17ae | 10768 | int idx = 0; |
9f049418 | 10769 | bool uj = use_json(argc, argv); |
ae19d7dd | 10770 | |
d62a17ae | 10771 | if (uj) |
10772 | argc--; | |
e3e29b32 | 10773 | |
9f049418 DS |
10774 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
10775 | &bgp, uj); | |
10776 | if (!idx) | |
10777 | return CMD_WARNING; | |
10778 | ||
d62a17ae | 10779 | bgp_show_all_instances_routes_vty(vty, afi, safi, uj); |
10780 | return CMD_SUCCESS; | |
e3e29b32 LB |
10781 | } |
10782 | ||
a4d82a8a | 10783 | static int bgp_show_regexp(struct vty *vty, struct bgp *bgp, const char *regstr, |
3e5b31b3 DA |
10784 | afi_t afi, safi_t safi, enum bgp_show_type type, |
10785 | bool use_json) | |
718e3744 | 10786 | { |
d62a17ae | 10787 | regex_t *regex; |
10788 | int rc; | |
e3e29b32 | 10789 | |
c3900853 | 10790 | if (!config_bgp_aspath_validate(regstr)) { |
157a43d5 | 10791 | vty_out(vty, "Invalid character in REGEX %s\n", |
c3900853 DA |
10792 | regstr); |
10793 | return CMD_WARNING_CONFIG_FAILED; | |
10794 | } | |
10795 | ||
d62a17ae | 10796 | regex = bgp_regcomp(regstr); |
10797 | if (!regex) { | |
10798 | vty_out(vty, "Can't compile regexp %s\n", regstr); | |
10799 | return CMD_WARNING; | |
10800 | } | |
a636c635 | 10801 | |
3e5b31b3 | 10802 | rc = bgp_show(vty, bgp, afi, safi, type, regex, use_json); |
d62a17ae | 10803 | bgp_regex_free(regex); |
10804 | return rc; | |
e3e29b32 LB |
10805 | } |
10806 | ||
d62a17ae | 10807 | static int bgp_show_prefix_list(struct vty *vty, struct bgp *bgp, |
10808 | const char *prefix_list_str, afi_t afi, | |
10809 | safi_t safi, enum bgp_show_type type) | |
e3e29b32 | 10810 | { |
d62a17ae | 10811 | struct prefix_list *plist; |
718e3744 | 10812 | |
d62a17ae | 10813 | plist = prefix_list_lookup(afi, prefix_list_str); |
10814 | if (plist == NULL) { | |
10815 | vty_out(vty, "%% %s is not a valid prefix-list name\n", | |
10816 | prefix_list_str); | |
10817 | return CMD_WARNING; | |
10818 | } | |
718e3744 | 10819 | |
d62a17ae | 10820 | return bgp_show(vty, bgp, afi, safi, type, plist, 0); |
4092b06c DS |
10821 | } |
10822 | ||
d62a17ae | 10823 | static int bgp_show_filter_list(struct vty *vty, struct bgp *bgp, |
10824 | const char *filter, afi_t afi, safi_t safi, | |
10825 | enum bgp_show_type type) | |
4092b06c | 10826 | { |
d62a17ae | 10827 | struct as_list *as_list; |
718e3744 | 10828 | |
d62a17ae | 10829 | as_list = as_list_lookup(filter); |
10830 | if (as_list == NULL) { | |
10831 | vty_out(vty, "%% %s is not a valid AS-path access-list name\n", | |
10832 | filter); | |
10833 | return CMD_WARNING; | |
10834 | } | |
a636c635 | 10835 | |
d62a17ae | 10836 | return bgp_show(vty, bgp, afi, safi, type, as_list, 0); |
718e3744 | 10837 | } |
10838 | ||
d62a17ae | 10839 | static int bgp_show_route_map(struct vty *vty, struct bgp *bgp, |
10840 | const char *rmap_str, afi_t afi, safi_t safi, | |
10841 | enum bgp_show_type type) | |
718e3744 | 10842 | { |
d62a17ae | 10843 | struct route_map *rmap; |
bb46e94f | 10844 | |
d62a17ae | 10845 | rmap = route_map_lookup_by_name(rmap_str); |
10846 | if (!rmap) { | |
10847 | vty_out(vty, "%% %s is not a valid route-map name\n", rmap_str); | |
10848 | return CMD_WARNING; | |
10849 | } | |
10850 | ||
10851 | return bgp_show(vty, bgp, afi, safi, type, rmap, 0); | |
10852 | } | |
10853 | ||
7f323236 DW |
10854 | static int bgp_show_community(struct vty *vty, struct bgp *bgp, |
10855 | const char *comstr, int exact, afi_t afi, | |
9f049418 | 10856 | safi_t safi, bool use_json) |
d62a17ae | 10857 | { |
10858 | struct community *com; | |
d62a17ae | 10859 | int ret = 0; |
10860 | ||
7f323236 | 10861 | com = community_str2com(comstr); |
d62a17ae | 10862 | if (!com) { |
7f323236 | 10863 | vty_out(vty, "%% Community malformed: %s\n", comstr); |
d62a17ae | 10864 | return CMD_WARNING; |
10865 | } | |
10866 | ||
10867 | ret = bgp_show(vty, bgp, afi, safi, | |
10868 | (exact ? bgp_show_type_community_exact | |
10869 | : bgp_show_type_community), | |
d0086e8e | 10870 | com, use_json); |
3c1f53de | 10871 | community_free(&com); |
46c3ce83 | 10872 | |
d62a17ae | 10873 | return ret; |
718e3744 | 10874 | } |
10875 | ||
d62a17ae | 10876 | static int bgp_show_community_list(struct vty *vty, struct bgp *bgp, |
10877 | const char *com, int exact, afi_t afi, | |
10878 | safi_t safi) | |
50ef26d4 | 10879 | { |
d62a17ae | 10880 | struct community_list *list; |
50ef26d4 | 10881 | |
e237b0d2 | 10882 | list = community_list_lookup(bgp_clist, com, 0, COMMUNITY_LIST_MASTER); |
d62a17ae | 10883 | if (list == NULL) { |
10884 | vty_out(vty, "%% %s is not a valid community-list name\n", com); | |
10885 | return CMD_WARNING; | |
10886 | } | |
718e3744 | 10887 | |
d62a17ae | 10888 | return bgp_show(vty, bgp, afi, safi, |
10889 | (exact ? bgp_show_type_community_list_exact | |
10890 | : bgp_show_type_community_list), | |
10891 | list, 0); | |
50ef26d4 | 10892 | } |
10893 | ||
d62a17ae | 10894 | static int bgp_show_prefix_longer(struct vty *vty, struct bgp *bgp, |
10895 | const char *prefix, afi_t afi, safi_t safi, | |
10896 | enum bgp_show_type type) | |
718e3744 | 10897 | { |
d62a17ae | 10898 | int ret; |
10899 | struct prefix *p; | |
47fc97cc | 10900 | |
d62a17ae | 10901 | p = prefix_new(); |
95cbbd2a | 10902 | |
d62a17ae | 10903 | ret = str2prefix(prefix, p); |
10904 | if (!ret) { | |
10905 | vty_out(vty, "%% Malformed Prefix\n"); | |
10906 | return CMD_WARNING; | |
10907 | } | |
47e9b292 | 10908 | |
d62a17ae | 10909 | ret = bgp_show(vty, bgp, afi, safi, type, p, 0); |
63265b5c | 10910 | prefix_free(&p); |
d62a17ae | 10911 | return ret; |
10912 | } | |
10913 | ||
d62a17ae | 10914 | enum bgp_stats { |
10915 | BGP_STATS_MAXBITLEN = 0, | |
10916 | BGP_STATS_RIB, | |
10917 | BGP_STATS_PREFIXES, | |
10918 | BGP_STATS_TOTPLEN, | |
10919 | BGP_STATS_UNAGGREGATEABLE, | |
10920 | BGP_STATS_MAX_AGGREGATEABLE, | |
10921 | BGP_STATS_AGGREGATES, | |
10922 | BGP_STATS_SPACE, | |
10923 | BGP_STATS_ASPATH_COUNT, | |
10924 | BGP_STATS_ASPATH_MAXHOPS, | |
10925 | BGP_STATS_ASPATH_TOTHOPS, | |
10926 | BGP_STATS_ASPATH_MAXSIZE, | |
10927 | BGP_STATS_ASPATH_TOTSIZE, | |
10928 | BGP_STATS_ASN_HIGHEST, | |
10929 | BGP_STATS_MAX, | |
a636c635 | 10930 | }; |
2815e61f | 10931 | |
2b64873d | 10932 | static const char *const table_stats_strs[] = { |
9d303b37 DL |
10933 | [BGP_STATS_PREFIXES] = "Total Prefixes", |
10934 | [BGP_STATS_TOTPLEN] = "Average prefix length", | |
10935 | [BGP_STATS_RIB] = "Total Advertisements", | |
10936 | [BGP_STATS_UNAGGREGATEABLE] = "Unaggregateable prefixes", | |
10937 | [BGP_STATS_MAX_AGGREGATEABLE] = | |
10938 | "Maximum aggregateable prefixes", | |
10939 | [BGP_STATS_AGGREGATES] = "BGP Aggregate advertisements", | |
10940 | [BGP_STATS_SPACE] = "Address space advertised", | |
10941 | [BGP_STATS_ASPATH_COUNT] = "Advertisements with paths", | |
10942 | [BGP_STATS_ASPATH_MAXHOPS] = "Longest AS-Path (hops)", | |
10943 | [BGP_STATS_ASPATH_MAXSIZE] = "Largest AS-Path (bytes)", | |
10944 | [BGP_STATS_ASPATH_TOTHOPS] = "Average AS-Path length (hops)", | |
10945 | [BGP_STATS_ASPATH_TOTSIZE] = "Average AS-Path size (bytes)", | |
10946 | [BGP_STATS_ASN_HIGHEST] = "Highest public ASN", | |
10947 | [BGP_STATS_MAX] = NULL, | |
a636c635 | 10948 | }; |
2815e61f | 10949 | |
d62a17ae | 10950 | struct bgp_table_stats { |
10951 | struct bgp_table *table; | |
10952 | unsigned long long counts[BGP_STATS_MAX]; | |
8d0ab76d | 10953 | double total_space; |
ff7924f6 PJ |
10954 | }; |
10955 | ||
a636c635 DW |
10956 | #if 0 |
10957 | #define TALLY_SIGFIG 100000 | |
10958 | static unsigned long | |
10959 | ravg_tally (unsigned long count, unsigned long oldavg, unsigned long newval) | |
ff7924f6 | 10960 | { |
a636c635 DW |
10961 | unsigned long newtot = (count-1) * oldavg + (newval * TALLY_SIGFIG); |
10962 | unsigned long res = (newtot * TALLY_SIGFIG) / count; | |
10963 | unsigned long ret = newtot / count; | |
07d0c4ed | 10964 | |
a636c635 DW |
10965 | if ((res % TALLY_SIGFIG) > (TALLY_SIGFIG/2)) |
10966 | return ret + 1; | |
10967 | else | |
10968 | return ret; | |
10969 | } | |
10970 | #endif | |
ff7924f6 | 10971 | |
9c14ec72 RW |
10972 | static void bgp_table_stats_rn(struct bgp_node *rn, struct bgp_node *top, |
10973 | struct bgp_table_stats *ts, unsigned int space) | |
2815e61f | 10974 | { |
9c14ec72 RW |
10975 | struct bgp_node *prn = bgp_node_parent_nolock(rn); |
10976 | struct bgp_path_info *pi; | |
d62a17ae | 10977 | |
9c14ec72 RW |
10978 | if (rn == top) |
10979 | return; | |
d62a17ae | 10980 | |
9c14ec72 RW |
10981 | if (!bgp_node_has_bgp_path_info_data(rn)) |
10982 | return; | |
d62a17ae | 10983 | |
9c14ec72 RW |
10984 | ts->counts[BGP_STATS_PREFIXES]++; |
10985 | ts->counts[BGP_STATS_TOTPLEN] += rn->p.prefixlen; | |
ff7924f6 | 10986 | |
a636c635 DW |
10987 | #if 0 |
10988 | ts->counts[BGP_STATS_AVGPLEN] | |
10989 | = ravg_tally (ts->counts[BGP_STATS_PREFIXES], | |
10990 | ts->counts[BGP_STATS_AVGPLEN], | |
10991 | rn->p.prefixlen); | |
10992 | #endif | |
d62a17ae | 10993 | |
9c14ec72 RW |
10994 | /* check if the prefix is included by any other announcements */ |
10995 | while (prn && !bgp_node_has_bgp_path_info_data(prn)) | |
10996 | prn = bgp_node_parent_nolock(prn); | |
d62a17ae | 10997 | |
9c14ec72 RW |
10998 | if (prn == NULL || prn == top) { |
10999 | ts->counts[BGP_STATS_UNAGGREGATEABLE]++; | |
11000 | /* announced address space */ | |
11001 | if (space) | |
11002 | ts->total_space += pow(2.0, space - rn->p.prefixlen); | |
11003 | } else if (bgp_node_has_bgp_path_info_data(prn)) | |
11004 | ts->counts[BGP_STATS_MAX_AGGREGATEABLE]++; | |
d62a17ae | 11005 | |
9c14ec72 RW |
11006 | |
11007 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { | |
11008 | ts->counts[BGP_STATS_RIB]++; | |
11009 | ||
05864da7 DS |
11010 | if (CHECK_FLAG(pi->attr->flag, |
11011 | ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE))) | |
9c14ec72 RW |
11012 | ts->counts[BGP_STATS_AGGREGATES]++; |
11013 | ||
11014 | /* as-path stats */ | |
05864da7 | 11015 | if (pi->attr->aspath) { |
9c14ec72 RW |
11016 | unsigned int hops = aspath_count_hops(pi->attr->aspath); |
11017 | unsigned int size = aspath_size(pi->attr->aspath); | |
11018 | as_t highest = aspath_highest(pi->attr->aspath); | |
11019 | ||
11020 | ts->counts[BGP_STATS_ASPATH_COUNT]++; | |
11021 | ||
11022 | if (hops > ts->counts[BGP_STATS_ASPATH_MAXHOPS]) | |
11023 | ts->counts[BGP_STATS_ASPATH_MAXHOPS] = hops; | |
11024 | ||
11025 | if (size > ts->counts[BGP_STATS_ASPATH_MAXSIZE]) | |
11026 | ts->counts[BGP_STATS_ASPATH_MAXSIZE] = size; | |
11027 | ||
11028 | ts->counts[BGP_STATS_ASPATH_TOTHOPS] += hops; | |
11029 | ts->counts[BGP_STATS_ASPATH_TOTSIZE] += size; | |
a636c635 | 11030 | #if 0 |
07d0c4ed | 11031 | ts->counts[BGP_STATS_ASPATH_AVGHOPS] |
a636c635 DW |
11032 | = ravg_tally (ts->counts[BGP_STATS_ASPATH_COUNT], |
11033 | ts->counts[BGP_STATS_ASPATH_AVGHOPS], | |
11034 | hops); | |
11035 | ts->counts[BGP_STATS_ASPATH_AVGSIZE] | |
11036 | = ravg_tally (ts->counts[BGP_STATS_ASPATH_COUNT], | |
11037 | ts->counts[BGP_STATS_ASPATH_AVGSIZE], | |
11038 | size); | |
11039 | #endif | |
9c14ec72 RW |
11040 | if (highest > ts->counts[BGP_STATS_ASN_HIGHEST]) |
11041 | ts->counts[BGP_STATS_ASN_HIGHEST] = highest; | |
11042 | } | |
11043 | } | |
11044 | } | |
11045 | ||
11046 | static int bgp_table_stats_walker(struct thread *t) | |
11047 | { | |
11048 | struct bgp_node *rn, *nrn; | |
11049 | struct bgp_node *top; | |
11050 | struct bgp_table_stats *ts = THREAD_ARG(t); | |
11051 | unsigned int space = 0; | |
11052 | ||
11053 | if (!(top = bgp_table_top(ts->table))) | |
11054 | return 0; | |
11055 | ||
11056 | switch (ts->table->afi) { | |
11057 | case AFI_IP: | |
11058 | space = IPV4_MAX_BITLEN; | |
11059 | break; | |
11060 | case AFI_IP6: | |
11061 | space = IPV6_MAX_BITLEN; | |
11062 | break; | |
11063 | default: | |
11064 | return 0; | |
11065 | } | |
11066 | ||
11067 | ts->counts[BGP_STATS_MAXBITLEN] = space; | |
11068 | ||
11069 | for (rn = top; rn; rn = bgp_route_next(rn)) { | |
11070 | if (ts->table->safi == SAFI_MPLS_VPN) { | |
11071 | struct bgp_table *table; | |
11072 | ||
11073 | table = bgp_node_get_bgp_table_info(rn); | |
11074 | if (!table) | |
11075 | continue; | |
11076 | ||
11077 | top = bgp_table_top(table); | |
11078 | for (nrn = bgp_table_top(table); nrn; | |
11079 | nrn = bgp_route_next(nrn)) | |
11080 | bgp_table_stats_rn(nrn, top, ts, space); | |
11081 | } else { | |
11082 | bgp_table_stats_rn(rn, top, ts, space); | |
d62a17ae | 11083 | } |
11084 | } | |
9c14ec72 | 11085 | |
d62a17ae | 11086 | return 0; |
2815e61f | 11087 | } |
ff7924f6 | 11088 | |
d62a17ae | 11089 | static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi, |
11090 | safi_t safi) | |
2815e61f | 11091 | { |
d62a17ae | 11092 | struct bgp_table_stats ts; |
11093 | unsigned int i; | |
019386c2 | 11094 | |
d62a17ae | 11095 | if (!bgp->rib[afi][safi]) { |
11096 | vty_out(vty, "%% No RIB exist's for the AFI(%d)/SAFI(%d)\n", | |
11097 | afi, safi); | |
11098 | return CMD_WARNING; | |
11099 | } | |
019386c2 | 11100 | |
5cb5f4d0 | 11101 | vty_out(vty, "BGP %s RIB statistics\n", get_afi_safi_str(afi, safi, false)); |
019386c2 | 11102 | |
d62a17ae | 11103 | /* labeled-unicast routes live in the unicast table */ |
11104 | if (safi == SAFI_LABELED_UNICAST) | |
11105 | safi = SAFI_UNICAST; | |
019386c2 | 11106 | |
d62a17ae | 11107 | memset(&ts, 0, sizeof(ts)); |
11108 | ts.table = bgp->rib[afi][safi]; | |
11109 | thread_execute(bm->master, bgp_table_stats_walker, &ts, 0); | |
ff7924f6 | 11110 | |
d62a17ae | 11111 | for (i = 0; i < BGP_STATS_MAX; i++) { |
11112 | if (!table_stats_strs[i]) | |
11113 | continue; | |
11114 | ||
11115 | switch (i) { | |
a636c635 DW |
11116 | #if 0 |
11117 | case BGP_STATS_ASPATH_AVGHOPS: | |
11118 | case BGP_STATS_ASPATH_AVGSIZE: | |
11119 | case BGP_STATS_AVGPLEN: | |
11120 | vty_out (vty, "%-30s: ", table_stats_strs[i]); | |
11121 | vty_out (vty, "%12.2f", | |
11122 | (float)ts.counts[i] / (float)TALLY_SIGFIG); | |
11123 | break; | |
11124 | #endif | |
d62a17ae | 11125 | case BGP_STATS_ASPATH_TOTHOPS: |
11126 | case BGP_STATS_ASPATH_TOTSIZE: | |
11127 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
11128 | vty_out(vty, "%12.2f", | |
11129 | ts.counts[i] | |
11130 | ? (float)ts.counts[i] | |
11131 | / (float)ts.counts | |
11132 | [BGP_STATS_ASPATH_COUNT] | |
11133 | : 0); | |
11134 | break; | |
11135 | case BGP_STATS_TOTPLEN: | |
11136 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
11137 | vty_out(vty, "%12.2f", | |
11138 | ts.counts[i] | |
11139 | ? (float)ts.counts[i] | |
11140 | / (float)ts.counts | |
11141 | [BGP_STATS_PREFIXES] | |
11142 | : 0); | |
11143 | break; | |
11144 | case BGP_STATS_SPACE: | |
11145 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
8d0ab76d DL |
11146 | vty_out(vty, "%12g\n", ts.total_space); |
11147 | ||
11148 | if (afi == AFI_IP6) { | |
11149 | vty_out(vty, "%30s: ", "/32 equivalent "); | |
11150 | vty_out(vty, "%12g\n", | |
a4d82a8a | 11151 | ts.total_space * pow(2.0, -128 + 32)); |
8d0ab76d DL |
11152 | vty_out(vty, "%30s: ", "/48 equivalent "); |
11153 | vty_out(vty, "%12g\n", | |
a4d82a8a | 11154 | ts.total_space * pow(2.0, -128 + 48)); |
8d0ab76d DL |
11155 | } else { |
11156 | vty_out(vty, "%30s: ", "% announced "); | |
11157 | vty_out(vty, "%12.2f\n", | |
11158 | ts.total_space * 100. * pow(2.0, -32)); | |
11159 | vty_out(vty, "%30s: ", "/8 equivalent "); | |
11160 | vty_out(vty, "%12.2f\n", | |
a4d82a8a | 11161 | ts.total_space * pow(2.0, -32 + 8)); |
8d0ab76d DL |
11162 | vty_out(vty, "%30s: ", "/24 equivalent "); |
11163 | vty_out(vty, "%12.2f\n", | |
a4d82a8a | 11164 | ts.total_space * pow(2.0, -32 + 24)); |
8d0ab76d | 11165 | } |
d62a17ae | 11166 | break; |
11167 | default: | |
11168 | vty_out(vty, "%-30s: ", table_stats_strs[i]); | |
11169 | vty_out(vty, "%12llu", ts.counts[i]); | |
11170 | } | |
ff7924f6 | 11171 | |
d62a17ae | 11172 | vty_out(vty, "\n"); |
11173 | } | |
11174 | return CMD_SUCCESS; | |
11175 | } | |
11176 | ||
11177 | enum bgp_pcounts { | |
11178 | PCOUNT_ADJ_IN = 0, | |
11179 | PCOUNT_DAMPED, | |
11180 | PCOUNT_REMOVED, | |
11181 | PCOUNT_HISTORY, | |
11182 | PCOUNT_STALE, | |
11183 | PCOUNT_VALID, | |
11184 | PCOUNT_ALL, | |
11185 | PCOUNT_COUNTED, | |
11186 | PCOUNT_PFCNT, /* the figure we display to users */ | |
11187 | PCOUNT_MAX, | |
a636c635 | 11188 | }; |
718e3744 | 11189 | |
2b64873d | 11190 | static const char *const pcount_strs[] = { |
9d303b37 DL |
11191 | [PCOUNT_ADJ_IN] = "Adj-in", |
11192 | [PCOUNT_DAMPED] = "Damped", | |
11193 | [PCOUNT_REMOVED] = "Removed", | |
11194 | [PCOUNT_HISTORY] = "History", | |
11195 | [PCOUNT_STALE] = "Stale", | |
11196 | [PCOUNT_VALID] = "Valid", | |
11197 | [PCOUNT_ALL] = "All RIB", | |
11198 | [PCOUNT_COUNTED] = "PfxCt counted", | |
11199 | [PCOUNT_PFCNT] = "Useable", | |
11200 | [PCOUNT_MAX] = NULL, | |
a636c635 | 11201 | }; |
718e3744 | 11202 | |
d62a17ae | 11203 | struct peer_pcounts { |
11204 | unsigned int count[PCOUNT_MAX]; | |
11205 | const struct peer *peer; | |
11206 | const struct bgp_table *table; | |
54317cba | 11207 | safi_t safi; |
a636c635 | 11208 | }; |
47fc97cc | 11209 | |
54317cba JW |
11210 | static void bgp_peer_count_proc(struct bgp_node *rn, |
11211 | struct peer_pcounts *pc) | |
d62a17ae | 11212 | { |
54317cba JW |
11213 | const struct bgp_adj_in *ain; |
11214 | const struct bgp_path_info *pi; | |
d62a17ae | 11215 | const struct peer *peer = pc->peer; |
11216 | ||
54317cba JW |
11217 | for (ain = rn->adj_in; ain; ain = ain->next) |
11218 | if (ain->peer == peer) | |
11219 | pc->count[PCOUNT_ADJ_IN]++; | |
d62a17ae | 11220 | |
54317cba | 11221 | for (pi = bgp_node_get_bgp_path_info(rn); pi; pi = pi->next) { |
6f94b685 | 11222 | |
54317cba JW |
11223 | if (pi->peer != peer) |
11224 | continue; | |
d62a17ae | 11225 | |
54317cba | 11226 | pc->count[PCOUNT_ALL]++; |
d62a17ae | 11227 | |
54317cba JW |
11228 | if (CHECK_FLAG(pi->flags, BGP_PATH_DAMPED)) |
11229 | pc->count[PCOUNT_DAMPED]++; | |
11230 | if (CHECK_FLAG(pi->flags, BGP_PATH_HISTORY)) | |
11231 | pc->count[PCOUNT_HISTORY]++; | |
11232 | if (CHECK_FLAG(pi->flags, BGP_PATH_REMOVED)) | |
11233 | pc->count[PCOUNT_REMOVED]++; | |
11234 | if (CHECK_FLAG(pi->flags, BGP_PATH_STALE)) | |
11235 | pc->count[PCOUNT_STALE]++; | |
11236 | if (CHECK_FLAG(pi->flags, BGP_PATH_VALID)) | |
11237 | pc->count[PCOUNT_VALID]++; | |
11238 | if (!CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) | |
11239 | pc->count[PCOUNT_PFCNT]++; | |
11240 | ||
11241 | if (CHECK_FLAG(pi->flags, BGP_PATH_COUNTED)) { | |
11242 | pc->count[PCOUNT_COUNTED]++; | |
11243 | if (CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) | |
11244 | flog_err( | |
11245 | EC_LIB_DEVELOPMENT, | |
11246 | "Attempting to count but flags say it is unusable"); | |
11247 | } else { | |
40381db7 | 11248 | if (!CHECK_FLAG(pi->flags, BGP_PATH_UNUSEABLE)) |
54317cba JW |
11249 | flog_err( |
11250 | EC_LIB_DEVELOPMENT, | |
11251 | "Not counted but flags say we should"); | |
d62a17ae | 11252 | } |
11253 | } | |
54317cba JW |
11254 | } |
11255 | ||
11256 | static int bgp_peer_count_walker(struct thread *t) | |
11257 | { | |
11258 | struct bgp_node *rn, *rm; | |
11259 | const struct bgp_table *table; | |
11260 | struct peer_pcounts *pc = THREAD_ARG(t); | |
11261 | ||
11262 | if (pc->safi == SAFI_MPLS_VPN || pc->safi == SAFI_ENCAP | |
11263 | || pc->safi == SAFI_EVPN) { | |
11264 | /* Special handling for 2-level routing tables. */ | |
11265 | for (rn = bgp_table_top(pc->table); rn; | |
11266 | rn = bgp_route_next(rn)) { | |
11267 | table = bgp_node_get_bgp_table_info(rn); | |
11268 | if (table != NULL) | |
11269 | for (rm = bgp_table_top(table); rm; | |
11270 | rm = bgp_route_next(rm)) | |
11271 | bgp_peer_count_proc(rm, pc); | |
11272 | } | |
11273 | } else | |
11274 | for (rn = bgp_table_top(pc->table); rn; rn = bgp_route_next(rn)) | |
11275 | bgp_peer_count_proc(rn, pc); | |
11276 | ||
d62a17ae | 11277 | return 0; |
718e3744 | 11278 | } |
11279 | ||
d62a17ae | 11280 | static int bgp_peer_counts(struct vty *vty, struct peer *peer, afi_t afi, |
9f049418 | 11281 | safi_t safi, bool use_json) |
856ca177 | 11282 | { |
d62a17ae | 11283 | struct peer_pcounts pcounts = {.peer = peer}; |
11284 | unsigned int i; | |
11285 | json_object *json = NULL; | |
11286 | json_object *json_loop = NULL; | |
856ca177 | 11287 | |
d62a17ae | 11288 | if (use_json) { |
11289 | json = json_object_new_object(); | |
11290 | json_loop = json_object_new_object(); | |
11291 | } | |
718e3744 | 11292 | |
d62a17ae | 11293 | if (!peer || !peer->bgp || !peer->afc[afi][safi] |
11294 | || !peer->bgp->rib[afi][safi]) { | |
11295 | if (use_json) { | |
11296 | json_object_string_add( | |
11297 | json, "warning", | |
11298 | "No such neighbor or address family"); | |
11299 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11300 | json_object_free(json); | |
11301 | } else | |
11302 | vty_out(vty, "%% No such neighbor or address family\n"); | |
11303 | ||
11304 | return CMD_WARNING; | |
11305 | } | |
2a71e9ce | 11306 | |
d62a17ae | 11307 | memset(&pcounts, 0, sizeof(pcounts)); |
11308 | pcounts.peer = peer; | |
11309 | pcounts.table = peer->bgp->rib[afi][safi]; | |
54317cba | 11310 | pcounts.safi = safi; |
d62a17ae | 11311 | |
11312 | /* in-place call via thread subsystem so as to record execution time | |
d316210b PZ |
11313 | * stats for the thread-walk (i.e. ensure this can't be blamed on |
11314 | * on just vty_read()). | |
11315 | */ | |
d62a17ae | 11316 | thread_execute(bm->master, bgp_peer_count_walker, &pcounts, 0); |
11317 | ||
11318 | if (use_json) { | |
11319 | json_object_string_add(json, "prefixCountsFor", peer->host); | |
11320 | json_object_string_add(json, "multiProtocol", | |
5cb5f4d0 | 11321 | get_afi_safi_str(afi, safi, true)); |
d62a17ae | 11322 | json_object_int_add(json, "pfxCounter", |
11323 | peer->pcount[afi][safi]); | |
11324 | ||
11325 | for (i = 0; i < PCOUNT_MAX; i++) | |
11326 | json_object_int_add(json_loop, pcount_strs[i], | |
11327 | pcounts.count[i]); | |
11328 | ||
11329 | json_object_object_add(json, "ribTableWalkCounters", json_loop); | |
11330 | ||
11331 | if (pcounts.count[PCOUNT_PFCNT] != peer->pcount[afi][safi]) { | |
11332 | json_object_string_add(json, "pfxctDriftFor", | |
11333 | peer->host); | |
11334 | json_object_string_add( | |
11335 | json, "recommended", | |
11336 | "Please report this bug, with the above command output"); | |
11337 | } | |
996c9314 LB |
11338 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
11339 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 11340 | json_object_free(json); |
11341 | } else { | |
11342 | ||
11343 | if (peer->hostname | |
11344 | && bgp_flag_check(peer->bgp, BGP_FLAG_SHOW_HOSTNAME)) { | |
11345 | vty_out(vty, "Prefix counts for %s/%s, %s\n", | |
11346 | peer->hostname, peer->host, | |
5cb5f4d0 | 11347 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 11348 | } else { |
11349 | vty_out(vty, "Prefix counts for %s, %s\n", peer->host, | |
5cb5f4d0 | 11350 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 11351 | } |
11352 | ||
a0a87037 | 11353 | vty_out(vty, "PfxCt: %" PRIu32 "\n", peer->pcount[afi][safi]); |
d62a17ae | 11354 | vty_out(vty, "\nCounts from RIB table walk:\n\n"); |
11355 | ||
11356 | for (i = 0; i < PCOUNT_MAX; i++) | |
11357 | vty_out(vty, "%20s: %-10d\n", pcount_strs[i], | |
11358 | pcounts.count[i]); | |
11359 | ||
11360 | if (pcounts.count[PCOUNT_PFCNT] != peer->pcount[afi][safi]) { | |
11361 | vty_out(vty, "%s [pcount] PfxCt drift!\n", peer->host); | |
11362 | vty_out(vty, | |
11363 | "Please report this bug, with the above command output\n"); | |
11364 | } | |
11365 | } | |
11366 | ||
11367 | return CMD_SUCCESS; | |
718e3744 | 11368 | } |
11369 | ||
a636c635 DW |
11370 | DEFUN (show_ip_bgp_instance_neighbor_prefix_counts, |
11371 | show_ip_bgp_instance_neighbor_prefix_counts_cmd, | |
c1a44e43 | 11372 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_CMD_STR"]] " |
30a6a167 | 11373 | "neighbors <A.B.C.D|X:X::X:X|WORD> prefix-counts [json]", |
718e3744 | 11374 | SHOW_STR |
11375 | IP_STR | |
11376 | BGP_STR | |
8386ac43 | 11377 | BGP_INSTANCE_HELP_STR |
9bedbb1e DW |
11378 | BGP_AFI_HELP_STR |
11379 | BGP_SAFI_HELP_STR | |
0b16f239 DS |
11380 | "Detailed information on TCP and BGP neighbor connections\n" |
11381 | "Neighbor to display information about\n" | |
11382 | "Neighbor to display information about\n" | |
91d37724 | 11383 | "Neighbor on BGP configured interface\n" |
a636c635 | 11384 | "Display detailed prefix count information\n" |
9973d184 | 11385 | JSON_STR) |
0b16f239 | 11386 | { |
d62a17ae | 11387 | afi_t afi = AFI_IP6; |
11388 | safi_t safi = SAFI_UNICAST; | |
11389 | struct peer *peer; | |
11390 | int idx = 0; | |
11391 | struct bgp *bgp = NULL; | |
9f049418 DS |
11392 | bool uj = use_json(argc, argv); |
11393 | ||
11394 | if (uj) | |
11395 | argc--; | |
856ca177 | 11396 | |
d62a17ae | 11397 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 11398 | &bgp, uj); |
d62a17ae | 11399 | if (!idx) |
11400 | return CMD_WARNING; | |
0b16f239 | 11401 | |
d62a17ae | 11402 | argv_find(argv, argc, "neighbors", &idx); |
11403 | peer = peer_lookup_in_view(vty, bgp, argv[idx + 1]->arg, uj); | |
11404 | if (!peer) | |
11405 | return CMD_WARNING; | |
bb46e94f | 11406 | |
29c8d9da | 11407 | return bgp_peer_counts(vty, peer, afi, safi, uj); |
a636c635 | 11408 | } |
0b16f239 | 11409 | |
d6902373 PG |
11410 | #ifdef KEEP_OLD_VPN_COMMANDS |
11411 | DEFUN (show_ip_bgp_vpn_neighbor_prefix_counts, | |
11412 | show_ip_bgp_vpn_neighbor_prefix_counts_cmd, | |
11413 | "show [ip] bgp <vpnv4|vpnv6> all neighbors <A.B.C.D|X:X::X:X|WORD> prefix-counts [json]", | |
2a71e9ce TP |
11414 | SHOW_STR |
11415 | IP_STR | |
11416 | BGP_STR | |
d6902373 | 11417 | BGP_VPNVX_HELP_STR |
91d37724 | 11418 | "Display information about all VPNv4 NLRIs\n" |
2a71e9ce TP |
11419 | "Detailed information on TCP and BGP neighbor connections\n" |
11420 | "Neighbor to display information about\n" | |
11421 | "Neighbor to display information about\n" | |
91d37724 | 11422 | "Neighbor on BGP configured interface\n" |
a636c635 | 11423 | "Display detailed prefix count information\n" |
9973d184 | 11424 | JSON_STR) |
a636c635 | 11425 | { |
d62a17ae | 11426 | int idx_peer = 6; |
11427 | struct peer *peer; | |
9f049418 | 11428 | bool uj = use_json(argc, argv); |
a636c635 | 11429 | |
d62a17ae | 11430 | peer = peer_lookup_in_view(vty, NULL, argv[idx_peer]->arg, uj); |
11431 | if (!peer) | |
11432 | return CMD_WARNING; | |
11433 | ||
11434 | return bgp_peer_counts(vty, peer, AFI_IP, SAFI_MPLS_VPN, uj); | |
a636c635 DW |
11435 | } |
11436 | ||
d6902373 PG |
11437 | DEFUN (show_ip_bgp_vpn_all_route_prefix, |
11438 | show_ip_bgp_vpn_all_route_prefix_cmd, | |
11439 | "show [ip] bgp <vpnv4|vpnv6> all <A.B.C.D|A.B.C.D/M> [json]", | |
91d37724 QY |
11440 | SHOW_STR |
11441 | IP_STR | |
11442 | BGP_STR | |
d6902373 | 11443 | BGP_VPNVX_HELP_STR |
91d37724 QY |
11444 | "Display information about all VPNv4 NLRIs\n" |
11445 | "Network in the BGP routing table to display\n" | |
3a2d747c | 11446 | "Network in the BGP routing table to display\n" |
9973d184 | 11447 | JSON_STR) |
91d37724 | 11448 | { |
d62a17ae | 11449 | int idx = 0; |
11450 | char *network = NULL; | |
11451 | struct bgp *bgp = bgp_get_default(); | |
11452 | if (!bgp) { | |
11453 | vty_out(vty, "Can't find default instance\n"); | |
11454 | return CMD_WARNING; | |
11455 | } | |
87e34b58 | 11456 | |
d62a17ae | 11457 | if (argv_find(argv, argc, "A.B.C.D", &idx)) |
11458 | network = argv[idx]->arg; | |
11459 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx)) | |
11460 | network = argv[idx]->arg; | |
11461 | else { | |
11462 | vty_out(vty, "Unable to figure out Network\n"); | |
11463 | return CMD_WARNING; | |
11464 | } | |
87e34b58 | 11465 | |
d62a17ae | 11466 | return bgp_show_route(vty, bgp, network, AFI_IP, SAFI_MPLS_VPN, NULL, 0, |
360660c6 | 11467 | BGP_PATH_SHOW_ALL, use_json(argc, argv)); |
91d37724 | 11468 | } |
d6902373 | 11469 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
91d37724 | 11470 | |
44c69747 LK |
11471 | DEFUN (show_bgp_l2vpn_evpn_route_prefix, |
11472 | show_bgp_l2vpn_evpn_route_prefix_cmd, | |
11473 | "show bgp l2vpn evpn <A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> [json]", | |
4c63a661 | 11474 | SHOW_STR |
4c63a661 PG |
11475 | BGP_STR |
11476 | L2VPN_HELP_STR | |
11477 | EVPN_HELP_STR | |
44c69747 LK |
11478 | "Network in the BGP routing table to display\n" |
11479 | "Network in the BGP routing table to display\n" | |
4c63a661 PG |
11480 | "Network in the BGP routing table to display\n" |
11481 | "Network in the BGP routing table to display\n" | |
11482 | JSON_STR) | |
11483 | { | |
d62a17ae | 11484 | int idx = 0; |
11485 | char *network = NULL; | |
44c69747 | 11486 | int prefix_check = 0; |
a636c635 | 11487 | |
44c69747 LK |
11488 | if (argv_find(argv, argc, "A.B.C.D", &idx) || |
11489 | argv_find(argv, argc, "X:X::X:X", &idx)) | |
d62a17ae | 11490 | network = argv[idx]->arg; |
44c69747 | 11491 | else if (argv_find(argv, argc, "A.B.C.D/M", &idx) || |
62e43fd7 | 11492 | argv_find(argv, argc, "X:X::X:X/M", &idx)) { |
d62a17ae | 11493 | network = argv[idx]->arg; |
44c69747 LK |
11494 | prefix_check = 1; |
11495 | } else { | |
d62a17ae | 11496 | vty_out(vty, "Unable to figure out Network\n"); |
11497 | return CMD_WARNING; | |
11498 | } | |
44c69747 LK |
11499 | return bgp_show_route(vty, NULL, network, AFI_L2VPN, SAFI_EVPN, NULL, |
11500 | prefix_check, BGP_PATH_SHOW_ALL, | |
11501 | use_json(argc, argv)); | |
d62a17ae | 11502 | } |
11503 | ||
11504 | static void show_adj_route(struct vty *vty, struct peer *peer, afi_t afi, | |
6392aaa6 | 11505 | safi_t safi, enum bgp_show_adj_route_type type, |
9f049418 | 11506 | const char *rmap_name, bool use_json, |
6392aaa6 | 11507 | json_object *json) |
d62a17ae | 11508 | { |
11509 | struct bgp_table *table; | |
11510 | struct bgp_adj_in *ain; | |
11511 | struct bgp_adj_out *adj; | |
11512 | unsigned long output_count; | |
11513 | unsigned long filtered_count; | |
11514 | struct bgp_node *rn; | |
11515 | int header1 = 1; | |
11516 | struct bgp *bgp; | |
11517 | int header2 = 1; | |
11518 | struct attr attr; | |
11519 | int ret; | |
11520 | struct update_subgroup *subgrp; | |
11521 | json_object *json_scode = NULL; | |
11522 | json_object *json_ocode = NULL; | |
11523 | json_object *json_ar = NULL; | |
11524 | struct peer_af *paf; | |
f99def61 | 11525 | bool route_filtered; |
d62a17ae | 11526 | |
11527 | if (use_json) { | |
11528 | json_scode = json_object_new_object(); | |
11529 | json_ocode = json_object_new_object(); | |
11530 | json_ar = json_object_new_object(); | |
11531 | ||
11532 | json_object_string_add(json_scode, "suppressed", "s"); | |
11533 | json_object_string_add(json_scode, "damped", "d"); | |
11534 | json_object_string_add(json_scode, "history", "h"); | |
11535 | json_object_string_add(json_scode, "valid", "*"); | |
11536 | json_object_string_add(json_scode, "best", ">"); | |
11537 | json_object_string_add(json_scode, "multipath", "="); | |
11538 | json_object_string_add(json_scode, "internal", "i"); | |
11539 | json_object_string_add(json_scode, "ribFailure", "r"); | |
11540 | json_object_string_add(json_scode, "stale", "S"); | |
11541 | json_object_string_add(json_scode, "removed", "R"); | |
11542 | ||
11543 | json_object_string_add(json_ocode, "igp", "i"); | |
11544 | json_object_string_add(json_ocode, "egp", "e"); | |
11545 | json_object_string_add(json_ocode, "incomplete", "?"); | |
11546 | } | |
a636c635 | 11547 | |
d62a17ae | 11548 | bgp = peer->bgp; |
a636c635 | 11549 | |
d62a17ae | 11550 | if (!bgp) { |
11551 | if (use_json) { | |
11552 | json_object_string_add(json, "alert", "no BGP"); | |
11553 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11554 | json_object_free(json); | |
11555 | } else | |
11556 | vty_out(vty, "%% No bgp\n"); | |
11557 | return; | |
11558 | } | |
a636c635 | 11559 | |
c512a642 EDP |
11560 | /* labeled-unicast routes live in the unicast table */ |
11561 | if (safi == SAFI_LABELED_UNICAST) | |
11562 | table = bgp->rib[afi][SAFI_UNICAST]; | |
11563 | else | |
11564 | table = bgp->rib[afi][safi]; | |
d62a17ae | 11565 | |
11566 | output_count = filtered_count = 0; | |
11567 | subgrp = peer_subgroup(peer, afi, safi); | |
11568 | ||
6392aaa6 | 11569 | if (type == bgp_show_adj_route_advertised && subgrp |
d62a17ae | 11570 | && CHECK_FLAG(subgrp->sflags, SUBGRP_STATUS_DEFAULT_ORIGINATE)) { |
11571 | if (use_json) { | |
11572 | json_object_int_add(json, "bgpTableVersion", | |
11573 | table->version); | |
11574 | json_object_string_add(json, "bgpLocalRouterId", | |
11575 | inet_ntoa(bgp->router_id)); | |
01eced22 AD |
11576 | json_object_int_add(json, "defaultLocPrf", |
11577 | bgp->default_local_pref); | |
11578 | json_object_int_add(json, "localAS", bgp->as); | |
d62a17ae | 11579 | json_object_object_add(json, "bgpStatusCodes", |
11580 | json_scode); | |
11581 | json_object_object_add(json, "bgpOriginCodes", | |
11582 | json_ocode); | |
07d0c4ed DA |
11583 | json_object_string_add( |
11584 | json, "bgpOriginatingDefaultNetwork", | |
11585 | (afi == AFI_IP) ? "0.0.0.0/0" : "::/0"); | |
d62a17ae | 11586 | } else { |
996c9314 | 11587 | vty_out(vty, "BGP table version is %" PRIu64 |
9df8b37c | 11588 | ", local router ID is %s, vrf id ", |
d62a17ae | 11589 | table->version, inet_ntoa(bgp->router_id)); |
9df8b37c PZ |
11590 | if (bgp->vrf_id == VRF_UNKNOWN) |
11591 | vty_out(vty, "%s", VRFID_NONE_STR); | |
11592 | else | |
11593 | vty_out(vty, "%u", bgp->vrf_id); | |
11594 | vty_out(vty, "\n"); | |
01eced22 AD |
11595 | vty_out(vty, "Default local pref %u, ", |
11596 | bgp->default_local_pref); | |
11597 | vty_out(vty, "local AS %u\n", bgp->as); | |
d62a17ae | 11598 | vty_out(vty, BGP_SHOW_SCODE_HEADER); |
9df8b37c | 11599 | vty_out(vty, BGP_SHOW_NCODE_HEADER); |
d62a17ae | 11600 | vty_out(vty, BGP_SHOW_OCODE_HEADER); |
11601 | ||
07d0c4ed DA |
11602 | vty_out(vty, "Originating default network %s\n\n", |
11603 | (afi == AFI_IP) ? "0.0.0.0/0" : "::/0"); | |
d62a17ae | 11604 | } |
11605 | header1 = 0; | |
11606 | } | |
a636c635 | 11607 | |
d62a17ae | 11608 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
6392aaa6 PM |
11609 | if (type == bgp_show_adj_route_received |
11610 | || type == bgp_show_adj_route_filtered) { | |
d62a17ae | 11611 | for (ain = rn->adj_in; ain; ain = ain->next) { |
05864da7 | 11612 | if (ain->peer != peer) |
ea47320b | 11613 | continue; |
6392aaa6 | 11614 | |
ea47320b DL |
11615 | if (header1) { |
11616 | if (use_json) { | |
11617 | json_object_int_add( | |
60466a63 | 11618 | json, "bgpTableVersion", |
ea47320b DL |
11619 | 0); |
11620 | json_object_string_add( | |
11621 | json, | |
11622 | "bgpLocalRouterId", | |
11623 | inet_ntoa( | |
11624 | bgp->router_id)); | |
01eced22 AD |
11625 | json_object_int_add(json, |
11626 | "defaultLocPrf", | |
11627 | bgp->default_local_pref); | |
11628 | json_object_int_add(json, | |
11629 | "localAS", bgp->as); | |
ea47320b | 11630 | json_object_object_add( |
60466a63 | 11631 | json, "bgpStatusCodes", |
ea47320b DL |
11632 | json_scode); |
11633 | json_object_object_add( | |
60466a63 | 11634 | json, "bgpOriginCodes", |
ea47320b DL |
11635 | json_ocode); |
11636 | } else { | |
11637 | vty_out(vty, | |
9df8b37c | 11638 | "BGP table version is 0, local router ID is %s, vrf id ", |
ea47320b | 11639 | inet_ntoa( |
9df8b37c PZ |
11640 | bgp->router_id)); |
11641 | if (bgp->vrf_id == VRF_UNKNOWN) | |
11642 | vty_out(vty, "%s", | |
11643 | VRFID_NONE_STR); | |
11644 | else | |
11645 | vty_out(vty, "%u", | |
11646 | bgp->vrf_id); | |
11647 | vty_out(vty, "\n"); | |
01eced22 AD |
11648 | vty_out(vty, |
11649 | "Default local pref %u, ", | |
11650 | bgp->default_local_pref); | |
11651 | vty_out(vty, "local AS %u\n", | |
11652 | bgp->as); | |
ea47320b DL |
11653 | vty_out(vty, |
11654 | BGP_SHOW_SCODE_HEADER); | |
9df8b37c PZ |
11655 | vty_out(vty, |
11656 | BGP_SHOW_NCODE_HEADER); | |
ea47320b DL |
11657 | vty_out(vty, |
11658 | BGP_SHOW_OCODE_HEADER); | |
d62a17ae | 11659 | } |
ea47320b DL |
11660 | header1 = 0; |
11661 | } | |
11662 | if (header2) { | |
11663 | if (!use_json) | |
11664 | vty_out(vty, BGP_SHOW_HEADER); | |
11665 | header2 = 0; | |
11666 | } | |
6392aaa6 | 11667 | |
6f4f49b2 | 11668 | attr = *ain->attr; |
f99def61 AD |
11669 | route_filtered = false; |
11670 | ||
11671 | /* Filter prefix using distribute list, | |
11672 | * filter list or prefix list | |
11673 | */ | |
11674 | if ((bgp_input_filter(peer, &rn->p, &attr, afi, | |
11675 | safi)) == FILTER_DENY) | |
11676 | route_filtered = true; | |
11677 | ||
11678 | /* Filter prefix using route-map */ | |
6392aaa6 | 11679 | ret = bgp_input_modifier(peer, &rn->p, &attr, |
196c6b09 LK |
11680 | afi, safi, rmap_name, NULL, 0, |
11681 | NULL); | |
6392aaa6 | 11682 | |
13c8e163 AD |
11683 | if (type == bgp_show_adj_route_filtered && |
11684 | !route_filtered && ret != RMAP_DENY) { | |
b755861b | 11685 | bgp_attr_undup(&attr, ain->attr); |
6392aaa6 | 11686 | continue; |
d62a17ae | 11687 | } |
6392aaa6 | 11688 | |
13c8e163 AD |
11689 | if (type == bgp_show_adj_route_received && |
11690 | (route_filtered || ret == RMAP_DENY)) | |
6392aaa6 PM |
11691 | filtered_count++; |
11692 | ||
11693 | route_vty_out_tmp(vty, &rn->p, &attr, safi, | |
11694 | use_json, json_ar); | |
b755861b | 11695 | bgp_attr_undup(&attr, ain->attr); |
6392aaa6 | 11696 | output_count++; |
d62a17ae | 11697 | } |
6392aaa6 | 11698 | } else if (type == bgp_show_adj_route_advertised) { |
a79c04e7 | 11699 | RB_FOREACH (adj, bgp_adj_out_rb, &rn->adj_out) |
924c3f6a | 11700 | SUBGRP_FOREACH_PEER (adj->subgroup, paf) { |
b755861b | 11701 | if (paf->peer != peer || !adj->attr) |
924c3f6a | 11702 | continue; |
d62a17ae | 11703 | |
924c3f6a DS |
11704 | if (header1) { |
11705 | if (use_json) { | |
11706 | json_object_int_add( | |
11707 | json, | |
11708 | "bgpTableVersion", | |
11709 | table->version); | |
11710 | json_object_string_add( | |
11711 | json, | |
11712 | "bgpLocalRouterId", | |
11713 | inet_ntoa( | |
11714 | bgp->router_id)); | |
01eced22 AD |
11715 | json_object_int_add( |
11716 | json, "defaultLocPrf", | |
11717 | bgp->default_local_pref | |
11718 | ); | |
11719 | json_object_int_add( | |
11720 | json, "localAS", | |
11721 | bgp->as); | |
924c3f6a DS |
11722 | json_object_object_add( |
11723 | json, | |
11724 | "bgpStatusCodes", | |
11725 | json_scode); | |
11726 | json_object_object_add( | |
11727 | json, | |
11728 | "bgpOriginCodes", | |
11729 | json_ocode); | |
11730 | } else { | |
11731 | vty_out(vty, | |
11732 | "BGP table version is %" PRIu64 | |
9df8b37c | 11733 | ", local router ID is %s, vrf id ", |
924c3f6a DS |
11734 | table->version, |
11735 | inet_ntoa( | |
11736 | bgp->router_id)); | |
9df8b37c PZ |
11737 | if (bgp->vrf_id == |
11738 | VRF_UNKNOWN) | |
11739 | vty_out(vty, | |
11740 | "%s", | |
11741 | VRFID_NONE_STR); | |
11742 | else | |
11743 | vty_out(vty, | |
11744 | "%u", | |
11745 | bgp->vrf_id); | |
11746 | vty_out(vty, "\n"); | |
01eced22 AD |
11747 | vty_out(vty, |
11748 | "Default local pref %u, ", | |
11749 | bgp->default_local_pref | |
11750 | ); | |
11751 | vty_out(vty, | |
11752 | "local AS %u\n", | |
11753 | bgp->as); | |
924c3f6a DS |
11754 | vty_out(vty, |
11755 | BGP_SHOW_SCODE_HEADER); | |
9df8b37c PZ |
11756 | vty_out(vty, |
11757 | BGP_SHOW_NCODE_HEADER); | |
924c3f6a DS |
11758 | vty_out(vty, |
11759 | BGP_SHOW_OCODE_HEADER); | |
a2addae8 | 11760 | } |
924c3f6a DS |
11761 | header1 = 0; |
11762 | } | |
924c3f6a DS |
11763 | if (header2) { |
11764 | if (!use_json) | |
11765 | vty_out(vty, | |
11766 | BGP_SHOW_HEADER); | |
11767 | header2 = 0; | |
11768 | } | |
d62a17ae | 11769 | |
6f4f49b2 | 11770 | attr = *adj->attr; |
b755861b PM |
11771 | ret = bgp_output_modifier( |
11772 | peer, &rn->p, &attr, afi, safi, | |
11773 | rmap_name); | |
f46d8e1e | 11774 | |
b755861b PM |
11775 | if (ret != RMAP_DENY) { |
11776 | route_vty_out_tmp(vty, &rn->p, | |
11777 | &attr, safi, | |
11778 | use_json, | |
11779 | json_ar); | |
11780 | output_count++; | |
11781 | } else { | |
11782 | filtered_count++; | |
a2addae8 | 11783 | } |
b755861b PM |
11784 | |
11785 | bgp_attr_undup(&attr, adj->attr); | |
924c3f6a | 11786 | } |
d62a17ae | 11787 | } |
11788 | } | |
d62a17ae | 11789 | |
d62a17ae | 11790 | if (use_json) { |
6392aaa6 PM |
11791 | json_object_object_add(json, "advertisedRoutes", json_ar); |
11792 | json_object_int_add(json, "totalPrefixCounter", output_count); | |
11793 | json_object_int_add(json, "filteredPrefixCounter", | |
11794 | filtered_count); | |
11795 | ||
996c9314 LB |
11796 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
11797 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 11798 | json_object_free(json); |
6392aaa6 PM |
11799 | } else if (output_count > 0) { |
11800 | if (filtered_count > 0) | |
11801 | vty_out(vty, | |
11802 | "\nTotal number of prefixes %ld (%ld filtered)\n", | |
11803 | output_count, filtered_count); | |
11804 | else | |
11805 | vty_out(vty, "\nTotal number of prefixes %ld\n", | |
11806 | output_count); | |
d62a17ae | 11807 | } |
a636c635 | 11808 | } |
2a71e9ce | 11809 | |
d62a17ae | 11810 | static int peer_adj_routes(struct vty *vty, struct peer *peer, afi_t afi, |
6392aaa6 | 11811 | safi_t safi, enum bgp_show_adj_route_type type, |
9f049418 | 11812 | const char *rmap_name, bool use_json) |
0b16f239 | 11813 | { |
d62a17ae | 11814 | json_object *json = NULL; |
0b16f239 | 11815 | |
d62a17ae | 11816 | if (use_json) |
11817 | json = json_object_new_object(); | |
0b16f239 | 11818 | |
d62a17ae | 11819 | if (!peer || !peer->afc[afi][safi]) { |
11820 | if (use_json) { | |
11821 | json_object_string_add( | |
11822 | json, "warning", | |
11823 | "No such neighbor or address family"); | |
11824 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11825 | json_object_free(json); | |
11826 | } else | |
11827 | vty_out(vty, "%% No such neighbor or address family\n"); | |
0b16f239 | 11828 | |
d62a17ae | 11829 | return CMD_WARNING; |
11830 | } | |
11831 | ||
6392aaa6 PM |
11832 | if ((type == bgp_show_adj_route_received |
11833 | || type == bgp_show_adj_route_filtered) | |
d62a17ae | 11834 | && !CHECK_FLAG(peer->af_flags[afi][safi], |
11835 | PEER_FLAG_SOFT_RECONFIG)) { | |
11836 | if (use_json) { | |
11837 | json_object_string_add( | |
11838 | json, "warning", | |
11839 | "Inbound soft reconfiguration not enabled"); | |
11840 | vty_out(vty, "%s\n", json_object_to_json_string(json)); | |
11841 | json_object_free(json); | |
11842 | } else | |
11843 | vty_out(vty, | |
11844 | "%% Inbound soft reconfiguration not enabled\n"); | |
11845 | ||
11846 | return CMD_WARNING; | |
11847 | } | |
0b16f239 | 11848 | |
6392aaa6 | 11849 | show_adj_route(vty, peer, afi, safi, type, rmap_name, use_json, json); |
0b16f239 | 11850 | |
d62a17ae | 11851 | return CMD_SUCCESS; |
a636c635 | 11852 | } |
50ef26d4 | 11853 | |
a636c635 DW |
11854 | DEFUN (show_ip_bgp_instance_neighbor_advertised_route, |
11855 | show_ip_bgp_instance_neighbor_advertised_route_cmd, | |
4dd6177e | 11856 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] " |
6392aaa6 | 11857 | "neighbors <A.B.C.D|X:X::X:X|WORD> <advertised-routes|received-routes|filtered-routes> [route-map WORD] [json]", |
718e3744 | 11858 | SHOW_STR |
11859 | IP_STR | |
11860 | BGP_STR | |
a636c635 | 11861 | BGP_INSTANCE_HELP_STR |
7395a2c9 | 11862 | BGP_AFI_HELP_STR |
4dd6177e | 11863 | BGP_SAFI_WITH_LABEL_HELP_STR |
718e3744 | 11864 | "Detailed information on TCP and BGP neighbor connections\n" |
11865 | "Neighbor to display information about\n" | |
11866 | "Neighbor to display information about\n" | |
91d37724 | 11867 | "Neighbor on BGP configured interface\n" |
a636c635 | 11868 | "Display the routes advertised to a BGP neighbor\n" |
6392aaa6 PM |
11869 | "Display the received routes from neighbor\n" |
11870 | "Display the filtered routes received from neighbor\n" | |
a636c635 DW |
11871 | "Route-map to modify the attributes\n" |
11872 | "Name of the route map\n" | |
9973d184 | 11873 | JSON_STR) |
718e3744 | 11874 | { |
d62a17ae | 11875 | afi_t afi = AFI_IP6; |
11876 | safi_t safi = SAFI_UNICAST; | |
11877 | char *rmap_name = NULL; | |
11878 | char *peerstr = NULL; | |
d62a17ae | 11879 | struct bgp *bgp = NULL; |
11880 | struct peer *peer; | |
6392aaa6 | 11881 | enum bgp_show_adj_route_type type = bgp_show_adj_route_advertised; |
d62a17ae | 11882 | int idx = 0; |
9f049418 | 11883 | bool uj = use_json(argc, argv); |
6392aaa6 | 11884 | |
d62a17ae | 11885 | if (uj) |
11886 | argc--; | |
30a6a167 | 11887 | |
9f049418 DS |
11888 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
11889 | &bgp, uj); | |
11890 | if (!idx) | |
11891 | return CMD_WARNING; | |
11892 | ||
d62a17ae | 11893 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ |
11894 | argv_find(argv, argc, "neighbors", &idx); | |
11895 | peerstr = argv[++idx]->arg; | |
8c3deaae | 11896 | |
d62a17ae | 11897 | peer = peer_lookup_in_view(vty, bgp, peerstr, uj); |
11898 | if (!peer) | |
11899 | return CMD_WARNING; | |
856ca177 | 11900 | |
d62a17ae | 11901 | if (argv_find(argv, argc, "advertised-routes", &idx)) |
6392aaa6 PM |
11902 | type = bgp_show_adj_route_advertised; |
11903 | else if (argv_find(argv, argc, "received-routes", &idx)) | |
11904 | type = bgp_show_adj_route_received; | |
11905 | else if (argv_find(argv, argc, "filtered-routes", &idx)) | |
11906 | type = bgp_show_adj_route_filtered; | |
11907 | ||
d62a17ae | 11908 | if (argv_find(argv, argc, "route-map", &idx)) |
11909 | rmap_name = argv[++idx]->arg; | |
95cbbd2a | 11910 | |
6392aaa6 | 11911 | return peer_adj_routes(vty, peer, afi, safi, type, rmap_name, uj); |
95cbbd2a ML |
11912 | } |
11913 | ||
718e3744 | 11914 | DEFUN (show_ip_bgp_neighbor_received_prefix_filter, |
11915 | show_ip_bgp_neighbor_received_prefix_filter_cmd, | |
8c3deaae | 11916 | "show [ip] bgp [<ipv4|ipv6> [unicast]] neighbors <A.B.C.D|X:X::X:X|WORD> received prefix-filter [json]", |
718e3744 | 11917 | SHOW_STR |
11918 | IP_STR | |
11919 | BGP_STR | |
8c3deaae QY |
11920 | "Address Family\n" |
11921 | "Address Family\n" | |
718e3744 | 11922 | "Address Family modifier\n" |
11923 | "Detailed information on TCP and BGP neighbor connections\n" | |
11924 | "Neighbor to display information about\n" | |
11925 | "Neighbor to display information about\n" | |
91d37724 | 11926 | "Neighbor on BGP configured interface\n" |
718e3744 | 11927 | "Display information received from a BGP neighbor\n" |
856ca177 | 11928 | "Display the prefixlist filter\n" |
9973d184 | 11929 | JSON_STR) |
718e3744 | 11930 | { |
d62a17ae | 11931 | afi_t afi = AFI_IP6; |
11932 | safi_t safi = SAFI_UNICAST; | |
11933 | char *peerstr = NULL; | |
11934 | ||
11935 | char name[BUFSIZ]; | |
11936 | union sockunion su; | |
11937 | struct peer *peer; | |
11938 | int count, ret; | |
11939 | ||
11940 | int idx = 0; | |
11941 | ||
11942 | /* show [ip] bgp */ | |
11943 | if (argv_find(argv, argc, "ip", &idx)) | |
11944 | afi = AFI_IP; | |
11945 | /* [<ipv4|ipv6> [unicast]] */ | |
11946 | if (argv_find(argv, argc, "ipv4", &idx)) | |
11947 | afi = AFI_IP; | |
11948 | if (argv_find(argv, argc, "ipv6", &idx)) | |
11949 | afi = AFI_IP6; | |
11950 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ | |
11951 | argv_find(argv, argc, "neighbors", &idx); | |
11952 | peerstr = argv[++idx]->arg; | |
11953 | ||
9f049418 | 11954 | bool uj = use_json(argc, argv); |
d62a17ae | 11955 | |
11956 | ret = str2sockunion(peerstr, &su); | |
11957 | if (ret < 0) { | |
11958 | peer = peer_lookup_by_conf_if(NULL, peerstr); | |
11959 | if (!peer) { | |
11960 | if (uj) | |
11961 | vty_out(vty, "{}\n"); | |
11962 | else | |
11963 | vty_out(vty, | |
11964 | "%% Malformed address or name: %s\n", | |
11965 | peerstr); | |
11966 | return CMD_WARNING; | |
11967 | } | |
11968 | } else { | |
11969 | peer = peer_lookup(NULL, &su); | |
11970 | if (!peer) { | |
11971 | if (uj) | |
11972 | vty_out(vty, "{}\n"); | |
11973 | else | |
11974 | vty_out(vty, "No peer\n"); | |
11975 | return CMD_WARNING; | |
11976 | } | |
11977 | } | |
718e3744 | 11978 | |
d62a17ae | 11979 | sprintf(name, "%s.%d.%d", peer->host, afi, safi); |
11980 | count = prefix_bgp_show_prefix_list(NULL, afi, name, uj); | |
11981 | if (count) { | |
11982 | if (!uj) | |
11983 | vty_out(vty, "Address Family: %s\n", | |
5cb5f4d0 | 11984 | get_afi_safi_str(afi, safi, false)); |
d62a17ae | 11985 | prefix_bgp_show_prefix_list(vty, afi, name, uj); |
11986 | } else { | |
11987 | if (uj) | |
11988 | vty_out(vty, "{}\n"); | |
11989 | else | |
11990 | vty_out(vty, "No functional output\n"); | |
11991 | } | |
718e3744 | 11992 | |
d62a17ae | 11993 | return CMD_SUCCESS; |
11994 | } | |
11995 | ||
11996 | static int bgp_show_neighbor_route(struct vty *vty, struct peer *peer, | |
11997 | afi_t afi, safi_t safi, | |
9f049418 | 11998 | enum bgp_show_type type, bool use_json) |
d62a17ae | 11999 | { |
8a893163 DW |
12000 | /* labeled-unicast routes live in the unicast table */ |
12001 | if (safi == SAFI_LABELED_UNICAST) | |
12002 | safi = SAFI_UNICAST; | |
12003 | ||
d62a17ae | 12004 | if (!peer || !peer->afc[afi][safi]) { |
12005 | if (use_json) { | |
12006 | json_object *json_no = NULL; | |
12007 | json_no = json_object_new_object(); | |
12008 | json_object_string_add( | |
12009 | json_no, "warning", | |
12010 | "No such neighbor or address family"); | |
12011 | vty_out(vty, "%s\n", | |
12012 | json_object_to_json_string(json_no)); | |
12013 | json_object_free(json_no); | |
12014 | } else | |
12015 | vty_out(vty, "%% No such neighbor or address family\n"); | |
12016 | return CMD_WARNING; | |
12017 | } | |
47fc97cc | 12018 | |
d62a17ae | 12019 | return bgp_show(vty, peer->bgp, afi, safi, type, &peer->su, use_json); |
718e3744 | 12020 | } |
12021 | ||
dba3c1d3 PG |
12022 | DEFUN (show_ip_bgp_flowspec_routes_detailed, |
12023 | show_ip_bgp_flowspec_routes_detailed_cmd, | |
12024 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" flowspec] detail [json]", | |
12025 | SHOW_STR | |
12026 | IP_STR | |
12027 | BGP_STR | |
12028 | BGP_INSTANCE_HELP_STR | |
12029 | BGP_AFI_HELP_STR | |
12030 | "SAFI Flowspec\n" | |
12031 | "Detailed information on flowspec entries\n" | |
12032 | JSON_STR) | |
12033 | { | |
12034 | afi_t afi = AFI_IP; | |
12035 | safi_t safi = SAFI_UNICAST; | |
12036 | struct bgp *bgp = NULL; | |
12037 | int idx = 0; | |
9f049418 DS |
12038 | bool uj = use_json(argc, argv); |
12039 | ||
12040 | if (uj) | |
12041 | argc--; | |
dba3c1d3 PG |
12042 | |
12043 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, | |
9f049418 | 12044 | &bgp, uj); |
dba3c1d3 PG |
12045 | if (!idx) |
12046 | return CMD_WARNING; | |
12047 | ||
9f049418 | 12048 | return bgp_show(vty, bgp, afi, safi, bgp_show_type_detail, NULL, uj); |
dba3c1d3 PG |
12049 | } |
12050 | ||
718e3744 | 12051 | DEFUN (show_ip_bgp_neighbor_routes, |
12052 | show_ip_bgp_neighbor_routes_cmd, | |
4dd6177e | 12053 | "show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]] " |
30a6a167 | 12054 | "neighbors <A.B.C.D|X:X::X:X|WORD> <flap-statistics|dampened-routes|routes> [json]", |
50ef26d4 | 12055 | SHOW_STR |
12056 | IP_STR | |
12057 | BGP_STR | |
8386ac43 | 12058 | BGP_INSTANCE_HELP_STR |
4f280b15 | 12059 | BGP_AFI_HELP_STR |
4dd6177e | 12060 | BGP_SAFI_WITH_LABEL_HELP_STR |
718e3744 | 12061 | "Detailed information on TCP and BGP neighbor connections\n" |
12062 | "Neighbor to display information about\n" | |
12063 | "Neighbor to display information about\n" | |
91d37724 | 12064 | "Neighbor on BGP configured interface\n" |
2525cf39 | 12065 | "Display flap statistics of the routes learned from neighbor\n" |
8c3deaae QY |
12066 | "Display the dampened routes received from neighbor\n" |
12067 | "Display routes learned from neighbor\n" | |
9973d184 | 12068 | JSON_STR) |
718e3744 | 12069 | { |
d62a17ae | 12070 | char *peerstr = NULL; |
12071 | struct bgp *bgp = NULL; | |
12072 | afi_t afi = AFI_IP6; | |
12073 | safi_t safi = SAFI_UNICAST; | |
12074 | struct peer *peer; | |
12075 | enum bgp_show_type sh_type = bgp_show_type_neighbor; | |
d62a17ae | 12076 | int idx = 0; |
9f049418 DS |
12077 | bool uj = use_json(argc, argv); |
12078 | ||
12079 | if (uj) | |
12080 | argc--; | |
bb46e94f | 12081 | |
d62a17ae | 12082 | bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi, |
9f049418 | 12083 | &bgp, uj); |
d62a17ae | 12084 | if (!idx) |
12085 | return CMD_WARNING; | |
c493f2d8 | 12086 | |
d62a17ae | 12087 | /* neighbors <A.B.C.D|X:X::X:X|WORD> */ |
12088 | argv_find(argv, argc, "neighbors", &idx); | |
12089 | peerstr = argv[++idx]->arg; | |
8c3deaae | 12090 | |
d62a17ae | 12091 | peer = peer_lookup_in_view(vty, bgp, peerstr, uj); |
9e6e6f46 | 12092 | if (!peer) |
d62a17ae | 12093 | return CMD_WARNING; |
bb46e94f | 12094 | |
d62a17ae | 12095 | if (argv_find(argv, argc, "flap-statistics", &idx)) |
12096 | sh_type = bgp_show_type_flap_neighbor; | |
12097 | else if (argv_find(argv, argc, "dampened-routes", &idx)) | |
12098 | sh_type = bgp_show_type_damp_neighbor; | |
12099 | else if (argv_find(argv, argc, "routes", &idx)) | |
12100 | sh_type = bgp_show_type_neighbor; | |
2525cf39 | 12101 | |
d62a17ae | 12102 | return bgp_show_neighbor_route(vty, peer, afi, safi, sh_type, uj); |
50ef26d4 | 12103 | } |
6b0655a2 | 12104 | |
734b349e | 12105 | struct bgp_table *bgp_distance_table[AFI_MAX][SAFI_MAX]; |
718e3744 | 12106 | |
d62a17ae | 12107 | struct bgp_distance { |
12108 | /* Distance value for the IP source prefix. */ | |
d7c0a89a | 12109 | uint8_t distance; |
718e3744 | 12110 | |
d62a17ae | 12111 | /* Name of the access-list to be matched. */ |
12112 | char *access_list; | |
718e3744 | 12113 | }; |
12114 | ||
4f280b15 LB |
12115 | DEFUN (show_bgp_afi_vpn_rd_route, |
12116 | show_bgp_afi_vpn_rd_route_cmd, | |
d114b977 | 12117 | "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 |
12118 | SHOW_STR |
12119 | BGP_STR | |
12120 | BGP_AFI_HELP_STR | |
12121 | "Address Family modifier\n" | |
12122 | "Display information for a route distinguisher\n" | |
12123 | "Route Distinguisher\n" | |
7395a2c9 DS |
12124 | "Network in the BGP routing table to display\n" |
12125 | "Network in the BGP routing table to display\n" | |
12126 | JSON_STR) | |
4f280b15 | 12127 | { |
d62a17ae | 12128 | int ret; |
12129 | struct prefix_rd prd; | |
12130 | afi_t afi = AFI_MAX; | |
12131 | int idx = 0; | |
4f280b15 | 12132 | |
ff6566f3 DS |
12133 | if (!argv_find_and_parse_afi(argv, argc, &idx, &afi)) { |
12134 | vty_out(vty, "%% Malformed Address Family\n"); | |
12135 | return CMD_WARNING; | |
12136 | } | |
12137 | ||
d62a17ae | 12138 | ret = str2prefix_rd(argv[5]->arg, &prd); |
12139 | if (!ret) { | |
12140 | vty_out(vty, "%% Malformed Route Distinguisher\n"); | |
12141 | return CMD_WARNING; | |
12142 | } | |
ff6566f3 | 12143 | |
d62a17ae | 12144 | return bgp_show_route(vty, NULL, argv[6]->arg, afi, SAFI_MPLS_VPN, &prd, |
360660c6 | 12145 | 0, BGP_PATH_SHOW_ALL, use_json(argc, argv)); |
4f280b15 LB |
12146 | } |
12147 | ||
d62a17ae | 12148 | static struct bgp_distance *bgp_distance_new(void) |
718e3744 | 12149 | { |
d62a17ae | 12150 | return XCALLOC(MTYPE_BGP_DISTANCE, sizeof(struct bgp_distance)); |
718e3744 | 12151 | } |
12152 | ||
d62a17ae | 12153 | static void bgp_distance_free(struct bgp_distance *bdistance) |
718e3744 | 12154 | { |
d62a17ae | 12155 | XFREE(MTYPE_BGP_DISTANCE, bdistance); |
718e3744 | 12156 | } |
12157 | ||
d62a17ae | 12158 | static int bgp_distance_set(struct vty *vty, const char *distance_str, |
12159 | const char *ip_str, const char *access_list_str) | |
718e3744 | 12160 | { |
d62a17ae | 12161 | int ret; |
12162 | afi_t afi; | |
12163 | safi_t safi; | |
12164 | struct prefix p; | |
d7c0a89a | 12165 | uint8_t distance; |
d62a17ae | 12166 | struct bgp_node *rn; |
12167 | struct bgp_distance *bdistance; | |
718e3744 | 12168 | |
d62a17ae | 12169 | afi = bgp_node_afi(vty); |
12170 | safi = bgp_node_safi(vty); | |
734b349e | 12171 | |
d62a17ae | 12172 | ret = str2prefix(ip_str, &p); |
12173 | if (ret == 0) { | |
12174 | vty_out(vty, "Malformed prefix\n"); | |
12175 | return CMD_WARNING_CONFIG_FAILED; | |
12176 | } | |
718e3744 | 12177 | |
d62a17ae | 12178 | distance = atoi(distance_str); |
718e3744 | 12179 | |
d62a17ae | 12180 | /* Get BGP distance node. */ |
12181 | rn = bgp_node_get(bgp_distance_table[afi][safi], (struct prefix *)&p); | |
5b00b40e | 12182 | bdistance = bgp_node_get_bgp_distance_info(rn); |
ca2e160d | 12183 | if (bdistance) |
d62a17ae | 12184 | bgp_unlock_node(rn); |
ca2e160d | 12185 | else { |
d62a17ae | 12186 | bdistance = bgp_distance_new(); |
5b00b40e | 12187 | bgp_node_set_bgp_distance_info(rn, bdistance); |
d62a17ae | 12188 | } |
718e3744 | 12189 | |
d62a17ae | 12190 | /* Set distance value. */ |
12191 | bdistance->distance = distance; | |
718e3744 | 12192 | |
d62a17ae | 12193 | /* Reset access-list configuration. */ |
12194 | if (bdistance->access_list) { | |
12195 | XFREE(MTYPE_AS_LIST, bdistance->access_list); | |
12196 | bdistance->access_list = NULL; | |
12197 | } | |
12198 | if (access_list_str) | |
12199 | bdistance->access_list = | |
12200 | XSTRDUP(MTYPE_AS_LIST, access_list_str); | |
718e3744 | 12201 | |
d62a17ae | 12202 | return CMD_SUCCESS; |
718e3744 | 12203 | } |
12204 | ||
d62a17ae | 12205 | static int bgp_distance_unset(struct vty *vty, const char *distance_str, |
12206 | const char *ip_str, const char *access_list_str) | |
718e3744 | 12207 | { |
d62a17ae | 12208 | int ret; |
12209 | afi_t afi; | |
12210 | safi_t safi; | |
12211 | struct prefix p; | |
12212 | int distance; | |
12213 | struct bgp_node *rn; | |
12214 | struct bgp_distance *bdistance; | |
718e3744 | 12215 | |
d62a17ae | 12216 | afi = bgp_node_afi(vty); |
12217 | safi = bgp_node_safi(vty); | |
734b349e | 12218 | |
d62a17ae | 12219 | ret = str2prefix(ip_str, &p); |
12220 | if (ret == 0) { | |
12221 | vty_out(vty, "Malformed prefix\n"); | |
12222 | return CMD_WARNING_CONFIG_FAILED; | |
12223 | } | |
718e3744 | 12224 | |
d62a17ae | 12225 | rn = bgp_node_lookup(bgp_distance_table[afi][safi], |
12226 | (struct prefix *)&p); | |
12227 | if (!rn) { | |
12228 | vty_out(vty, "Can't find specified prefix\n"); | |
12229 | return CMD_WARNING_CONFIG_FAILED; | |
12230 | } | |
718e3744 | 12231 | |
5b00b40e | 12232 | bdistance = bgp_node_get_bgp_distance_info(rn); |
d62a17ae | 12233 | distance = atoi(distance_str); |
1f9a9fff | 12234 | |
d62a17ae | 12235 | if (bdistance->distance != distance) { |
12236 | vty_out(vty, "Distance does not match configured\n"); | |
12237 | return CMD_WARNING_CONFIG_FAILED; | |
12238 | } | |
718e3744 | 12239 | |
0a22ddfb | 12240 | XFREE(MTYPE_AS_LIST, bdistance->access_list); |
d62a17ae | 12241 | bgp_distance_free(bdistance); |
718e3744 | 12242 | |
6f94b685 | 12243 | bgp_node_set_bgp_path_info(rn, NULL); |
d62a17ae | 12244 | bgp_unlock_node(rn); |
12245 | bgp_unlock_node(rn); | |
718e3744 | 12246 | |
d62a17ae | 12247 | return CMD_SUCCESS; |
718e3744 | 12248 | } |
12249 | ||
718e3744 | 12250 | /* Apply BGP information to distance method. */ |
40381db7 | 12251 | uint8_t bgp_distance_apply(struct prefix *p, struct bgp_path_info *pinfo, |
4b7e6066 | 12252 | afi_t afi, safi_t safi, struct bgp *bgp) |
d62a17ae | 12253 | { |
12254 | struct bgp_node *rn; | |
12255 | struct prefix q; | |
12256 | struct peer *peer; | |
12257 | struct bgp_distance *bdistance; | |
12258 | struct access_list *alist; | |
12259 | struct bgp_static *bgp_static; | |
12260 | ||
12261 | if (!bgp) | |
12262 | return 0; | |
12263 | ||
40381db7 | 12264 | peer = pinfo->peer; |
d62a17ae | 12265 | |
7b7d48e5 DS |
12266 | if (pinfo->attr->distance) |
12267 | return pinfo->attr->distance; | |
12268 | ||
d62a17ae | 12269 | /* Check source address. */ |
12270 | sockunion2hostprefix(&peer->su, &q); | |
12271 | rn = bgp_node_match(bgp_distance_table[afi][safi], &q); | |
12272 | if (rn) { | |
5b00b40e | 12273 | bdistance = bgp_node_get_bgp_distance_info(rn); |
d62a17ae | 12274 | bgp_unlock_node(rn); |
12275 | ||
12276 | if (bdistance->access_list) { | |
12277 | alist = access_list_lookup(afi, bdistance->access_list); | |
12278 | if (alist | |
12279 | && access_list_apply(alist, p) == FILTER_PERMIT) | |
12280 | return bdistance->distance; | |
12281 | } else | |
12282 | return bdistance->distance; | |
718e3744 | 12283 | } |
718e3744 | 12284 | |
d62a17ae | 12285 | /* Backdoor check. */ |
12286 | rn = bgp_node_lookup(bgp->route[afi][safi], p); | |
12287 | if (rn) { | |
5a8ba9fc | 12288 | bgp_static = bgp_node_get_bgp_static_info(rn); |
d62a17ae | 12289 | bgp_unlock_node(rn); |
718e3744 | 12290 | |
d62a17ae | 12291 | if (bgp_static->backdoor) { |
12292 | if (bgp->distance_local[afi][safi]) | |
12293 | return bgp->distance_local[afi][safi]; | |
12294 | else | |
12295 | return ZEBRA_IBGP_DISTANCE_DEFAULT; | |
12296 | } | |
718e3744 | 12297 | } |
718e3744 | 12298 | |
d62a17ae | 12299 | if (peer->sort == BGP_PEER_EBGP) { |
12300 | if (bgp->distance_ebgp[afi][safi]) | |
12301 | return bgp->distance_ebgp[afi][safi]; | |
12302 | return ZEBRA_EBGP_DISTANCE_DEFAULT; | |
12303 | } else { | |
12304 | if (bgp->distance_ibgp[afi][safi]) | |
12305 | return bgp->distance_ibgp[afi][safi]; | |
12306 | return ZEBRA_IBGP_DISTANCE_DEFAULT; | |
12307 | } | |
718e3744 | 12308 | } |
12309 | ||
a612fb77 DA |
12310 | /* If we enter `distance bgp (1-255) (1-255) (1-255)`, |
12311 | * we should tell ZEBRA update the routes for a specific | |
12312 | * AFI/SAFI to reflect changes in RIB. | |
12313 | */ | |
8b54bc30 DA |
12314 | static void bgp_announce_routes_distance_update(struct bgp *bgp, |
12315 | afi_t update_afi, | |
12316 | safi_t update_safi) | |
a612fb77 DA |
12317 | { |
12318 | afi_t afi; | |
12319 | safi_t safi; | |
12320 | ||
12321 | FOREACH_AFI_SAFI (afi, safi) { | |
12322 | if (!bgp_fibupd_safi(safi)) | |
12323 | continue; | |
12324 | ||
8b54bc30 DA |
12325 | if (afi != update_afi && safi != update_safi) |
12326 | continue; | |
12327 | ||
12328 | if (BGP_DEBUG(zebra, ZEBRA)) | |
12329 | zlog_debug( | |
12330 | "%s: Announcing routes due to distance change afi/safi (%d/%d)", | |
12331 | __func__, afi, safi); | |
12332 | bgp_zebra_announce_table(bgp, afi, safi); | |
a612fb77 DA |
12333 | } |
12334 | } | |
12335 | ||
718e3744 | 12336 | DEFUN (bgp_distance, |
12337 | bgp_distance_cmd, | |
6147e2c6 | 12338 | "distance bgp (1-255) (1-255) (1-255)", |
718e3744 | 12339 | "Define an administrative distance\n" |
12340 | "BGP distance\n" | |
12341 | "Distance for routes external to the AS\n" | |
12342 | "Distance for routes internal to the AS\n" | |
12343 | "Distance for local routes\n") | |
12344 | { | |
d62a17ae | 12345 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
12346 | int idx_number = 2; | |
12347 | int idx_number_2 = 3; | |
12348 | int idx_number_3 = 4; | |
8b54bc30 DA |
12349 | int distance_ebgp = atoi(argv[idx_number]->arg); |
12350 | int distance_ibgp = atoi(argv[idx_number_2]->arg); | |
12351 | int distance_local = atoi(argv[idx_number_3]->arg); | |
d62a17ae | 12352 | afi_t afi; |
12353 | safi_t safi; | |
718e3744 | 12354 | |
d62a17ae | 12355 | afi = bgp_node_afi(vty); |
12356 | safi = bgp_node_safi(vty); | |
718e3744 | 12357 | |
8b54bc30 DA |
12358 | if (bgp->distance_ebgp[afi][safi] != distance_ebgp |
12359 | || bgp->distance_ibgp[afi][safi] != distance_ibgp | |
12360 | || bgp->distance_local[afi][safi] != distance_local) { | |
12361 | bgp->distance_ebgp[afi][safi] = distance_ebgp; | |
12362 | bgp->distance_ibgp[afi][safi] = distance_ibgp; | |
12363 | bgp->distance_local[afi][safi] = distance_local; | |
12364 | bgp_announce_routes_distance_update(bgp, afi, safi); | |
12365 | } | |
d62a17ae | 12366 | return CMD_SUCCESS; |
718e3744 | 12367 | } |
12368 | ||
12369 | DEFUN (no_bgp_distance, | |
12370 | no_bgp_distance_cmd, | |
a636c635 | 12371 | "no distance bgp [(1-255) (1-255) (1-255)]", |
718e3744 | 12372 | NO_STR |
12373 | "Define an administrative distance\n" | |
12374 | "BGP distance\n" | |
12375 | "Distance for routes external to the AS\n" | |
12376 | "Distance for routes internal to the AS\n" | |
12377 | "Distance for local routes\n") | |
12378 | { | |
d62a17ae | 12379 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
12380 | afi_t afi; | |
12381 | safi_t safi; | |
718e3744 | 12382 | |
d62a17ae | 12383 | afi = bgp_node_afi(vty); |
12384 | safi = bgp_node_safi(vty); | |
718e3744 | 12385 | |
8b54bc30 DA |
12386 | if (bgp->distance_ebgp[afi][safi] != 0 |
12387 | || bgp->distance_ibgp[afi][safi] != 0 | |
12388 | || bgp->distance_local[afi][safi] != 0) { | |
12389 | bgp->distance_ebgp[afi][safi] = 0; | |
12390 | bgp->distance_ibgp[afi][safi] = 0; | |
12391 | bgp->distance_local[afi][safi] = 0; | |
12392 | bgp_announce_routes_distance_update(bgp, afi, safi); | |
12393 | } | |
d62a17ae | 12394 | return CMD_SUCCESS; |
718e3744 | 12395 | } |
12396 | ||
718e3744 | 12397 | |
12398 | DEFUN (bgp_distance_source, | |
12399 | bgp_distance_source_cmd, | |
6147e2c6 | 12400 | "distance (1-255) A.B.C.D/M", |
718e3744 | 12401 | "Define an administrative distance\n" |
12402 | "Administrative distance\n" | |
12403 | "IP source prefix\n") | |
12404 | { | |
d62a17ae | 12405 | int idx_number = 1; |
12406 | int idx_ipv4_prefixlen = 2; | |
12407 | bgp_distance_set(vty, argv[idx_number]->arg, | |
12408 | argv[idx_ipv4_prefixlen]->arg, NULL); | |
12409 | return CMD_SUCCESS; | |
718e3744 | 12410 | } |
12411 | ||
12412 | DEFUN (no_bgp_distance_source, | |
12413 | no_bgp_distance_source_cmd, | |
6147e2c6 | 12414 | "no distance (1-255) A.B.C.D/M", |
718e3744 | 12415 | NO_STR |
12416 | "Define an administrative distance\n" | |
12417 | "Administrative distance\n" | |
12418 | "IP source prefix\n") | |
12419 | { | |
d62a17ae | 12420 | int idx_number = 2; |
12421 | int idx_ipv4_prefixlen = 3; | |
12422 | bgp_distance_unset(vty, argv[idx_number]->arg, | |
12423 | argv[idx_ipv4_prefixlen]->arg, NULL); | |
12424 | return CMD_SUCCESS; | |
718e3744 | 12425 | } |
12426 | ||
12427 | DEFUN (bgp_distance_source_access_list, | |
12428 | bgp_distance_source_access_list_cmd, | |
6147e2c6 | 12429 | "distance (1-255) A.B.C.D/M WORD", |
718e3744 | 12430 | "Define an administrative distance\n" |
12431 | "Administrative distance\n" | |
12432 | "IP source prefix\n" | |
12433 | "Access list name\n") | |
12434 | { | |
d62a17ae | 12435 | int idx_number = 1; |
12436 | int idx_ipv4_prefixlen = 2; | |
12437 | int idx_word = 3; | |
12438 | bgp_distance_set(vty, argv[idx_number]->arg, | |
12439 | argv[idx_ipv4_prefixlen]->arg, argv[idx_word]->arg); | |
12440 | return CMD_SUCCESS; | |
718e3744 | 12441 | } |
12442 | ||
12443 | DEFUN (no_bgp_distance_source_access_list, | |
12444 | no_bgp_distance_source_access_list_cmd, | |
6147e2c6 | 12445 | "no distance (1-255) A.B.C.D/M WORD", |
718e3744 | 12446 | NO_STR |
12447 | "Define an administrative distance\n" | |
12448 | "Administrative distance\n" | |
12449 | "IP source prefix\n" | |
12450 | "Access list name\n") | |
12451 | { | |
d62a17ae | 12452 | int idx_number = 2; |
12453 | int idx_ipv4_prefixlen = 3; | |
12454 | int idx_word = 4; | |
12455 | bgp_distance_unset(vty, argv[idx_number]->arg, | |
12456 | argv[idx_ipv4_prefixlen]->arg, argv[idx_word]->arg); | |
12457 | return CMD_SUCCESS; | |
718e3744 | 12458 | } |
6b0655a2 | 12459 | |
734b349e MZ |
12460 | DEFUN (ipv6_bgp_distance_source, |
12461 | ipv6_bgp_distance_source_cmd, | |
39e92c06 | 12462 | "distance (1-255) X:X::X:X/M", |
734b349e MZ |
12463 | "Define an administrative distance\n" |
12464 | "Administrative distance\n" | |
12465 | "IP source prefix\n") | |
12466 | { | |
d62a17ae | 12467 | bgp_distance_set(vty, argv[1]->arg, argv[2]->arg, NULL); |
12468 | return CMD_SUCCESS; | |
734b349e MZ |
12469 | } |
12470 | ||
12471 | DEFUN (no_ipv6_bgp_distance_source, | |
12472 | no_ipv6_bgp_distance_source_cmd, | |
39e92c06 | 12473 | "no distance (1-255) X:X::X:X/M", |
734b349e MZ |
12474 | NO_STR |
12475 | "Define an administrative distance\n" | |
12476 | "Administrative distance\n" | |
12477 | "IP source prefix\n") | |
12478 | { | |
d62a17ae | 12479 | bgp_distance_unset(vty, argv[2]->arg, argv[3]->arg, NULL); |
12480 | return CMD_SUCCESS; | |
734b349e MZ |
12481 | } |
12482 | ||
12483 | DEFUN (ipv6_bgp_distance_source_access_list, | |
12484 | ipv6_bgp_distance_source_access_list_cmd, | |
39e92c06 | 12485 | "distance (1-255) X:X::X:X/M WORD", |
734b349e MZ |
12486 | "Define an administrative distance\n" |
12487 | "Administrative distance\n" | |
12488 | "IP source prefix\n" | |
12489 | "Access list name\n") | |
12490 | { | |
d62a17ae | 12491 | bgp_distance_set(vty, argv[1]->arg, argv[2]->arg, argv[3]->arg); |
12492 | return CMD_SUCCESS; | |
734b349e MZ |
12493 | } |
12494 | ||
12495 | DEFUN (no_ipv6_bgp_distance_source_access_list, | |
12496 | no_ipv6_bgp_distance_source_access_list_cmd, | |
39e92c06 | 12497 | "no distance (1-255) X:X::X:X/M WORD", |
734b349e MZ |
12498 | NO_STR |
12499 | "Define an administrative distance\n" | |
12500 | "Administrative distance\n" | |
12501 | "IP source prefix\n" | |
12502 | "Access list name\n") | |
12503 | { | |
d62a17ae | 12504 | bgp_distance_unset(vty, argv[2]->arg, argv[3]->arg, argv[4]->arg); |
12505 | return CMD_SUCCESS; | |
734b349e MZ |
12506 | } |
12507 | ||
718e3744 | 12508 | DEFUN (bgp_damp_set, |
12509 | bgp_damp_set_cmd, | |
31500417 | 12510 | "bgp dampening [(1-45) [(1-20000) (1-20000) (1-255)]]", |
718e3744 | 12511 | "BGP Specific commands\n" |
12512 | "Enable route-flap dampening\n" | |
12513 | "Half-life time for the penalty\n" | |
12514 | "Value to start reusing a route\n" | |
12515 | "Value to start suppressing a route\n" | |
12516 | "Maximum duration to suppress a stable route\n") | |
12517 | { | |
d62a17ae | 12518 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
12519 | int idx_half_life = 2; | |
12520 | int idx_reuse = 3; | |
12521 | int idx_suppress = 4; | |
12522 | int idx_max_suppress = 5; | |
12523 | int half = DEFAULT_HALF_LIFE * 60; | |
12524 | int reuse = DEFAULT_REUSE; | |
12525 | int suppress = DEFAULT_SUPPRESS; | |
12526 | int max = 4 * half; | |
12527 | ||
12528 | if (argc == 6) { | |
12529 | half = atoi(argv[idx_half_life]->arg) * 60; | |
12530 | reuse = atoi(argv[idx_reuse]->arg); | |
12531 | suppress = atoi(argv[idx_suppress]->arg); | |
12532 | max = atoi(argv[idx_max_suppress]->arg) * 60; | |
12533 | } else if (argc == 3) { | |
12534 | half = atoi(argv[idx_half_life]->arg) * 60; | |
12535 | max = 4 * half; | |
12536 | } | |
718e3744 | 12537 | |
6d24b7cc DS |
12538 | /* |
12539 | * These can't be 0 but our SA doesn't understand the | |
12540 | * way our cli is constructed | |
12541 | */ | |
12542 | assert(reuse); | |
12543 | assert(half); | |
d62a17ae | 12544 | if (suppress < reuse) { |
12545 | vty_out(vty, | |
12546 | "Suppress value cannot be less than reuse value \n"); | |
12547 | return 0; | |
12548 | } | |
7ebe9748 | 12549 | |
d62a17ae | 12550 | return bgp_damp_enable(bgp, bgp_node_afi(vty), bgp_node_safi(vty), half, |
12551 | reuse, suppress, max); | |
718e3744 | 12552 | } |
12553 | ||
718e3744 | 12554 | DEFUN (bgp_damp_unset, |
12555 | bgp_damp_unset_cmd, | |
d04c479d | 12556 | "no bgp dampening [(1-45) [(1-20000) (1-20000) (1-255)]]", |
718e3744 | 12557 | NO_STR |
12558 | "BGP Specific commands\n" | |
16cedbb0 QY |
12559 | "Enable route-flap dampening\n" |
12560 | "Half-life time for the penalty\n" | |
12561 | "Value to start reusing a route\n" | |
12562 | "Value to start suppressing a route\n" | |
12563 | "Maximum duration to suppress a stable route\n") | |
718e3744 | 12564 | { |
d62a17ae | 12565 | VTY_DECLVAR_CONTEXT(bgp, bgp); |
12566 | return bgp_damp_disable(bgp, bgp_node_afi(vty), bgp_node_safi(vty)); | |
718e3744 | 12567 | } |
12568 | ||
718e3744 | 12569 | /* Display specified route of BGP table. */ |
d62a17ae | 12570 | static int bgp_clear_damp_route(struct vty *vty, const char *view_name, |
12571 | const char *ip_str, afi_t afi, safi_t safi, | |
12572 | struct prefix_rd *prd, int prefix_check) | |
12573 | { | |
12574 | int ret; | |
12575 | struct prefix match; | |
12576 | struct bgp_node *rn; | |
12577 | struct bgp_node *rm; | |
40381db7 DS |
12578 | struct bgp_path_info *pi; |
12579 | struct bgp_path_info *pi_temp; | |
d62a17ae | 12580 | struct bgp *bgp; |
12581 | struct bgp_table *table; | |
12582 | ||
12583 | /* BGP structure lookup. */ | |
12584 | if (view_name) { | |
12585 | bgp = bgp_lookup_by_name(view_name); | |
12586 | if (bgp == NULL) { | |
12587 | vty_out(vty, "%% Can't find BGP instance %s\n", | |
12588 | view_name); | |
12589 | return CMD_WARNING; | |
12590 | } | |
12591 | } else { | |
12592 | bgp = bgp_get_default(); | |
12593 | if (bgp == NULL) { | |
12594 | vty_out(vty, "%% No BGP process is configured\n"); | |
12595 | return CMD_WARNING; | |
12596 | } | |
718e3744 | 12597 | } |
718e3744 | 12598 | |
d62a17ae | 12599 | /* Check IP address argument. */ |
12600 | ret = str2prefix(ip_str, &match); | |
12601 | if (!ret) { | |
12602 | vty_out(vty, "%% address is malformed\n"); | |
12603 | return CMD_WARNING; | |
12604 | } | |
718e3744 | 12605 | |
d62a17ae | 12606 | match.family = afi2family(afi); |
12607 | ||
12608 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP) | |
12609 | || (safi == SAFI_EVPN)) { | |
12610 | for (rn = bgp_table_top(bgp->rib[AFI_IP][safi]); rn; | |
12611 | rn = bgp_route_next(rn)) { | |
12612 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
12613 | continue; | |
67009e22 DS |
12614 | table = bgp_node_get_bgp_table_info(rn); |
12615 | if (!table) | |
ea47320b DL |
12616 | continue; |
12617 | if ((rm = bgp_node_match(table, &match)) == NULL) | |
12618 | continue; | |
d62a17ae | 12619 | |
ea47320b DL |
12620 | if (!prefix_check |
12621 | || rm->p.prefixlen == match.prefixlen) { | |
6f94b685 | 12622 | pi = bgp_node_get_bgp_path_info(rm); |
40381db7 DS |
12623 | while (pi) { |
12624 | if (pi->extra && pi->extra->damp_info) { | |
12625 | pi_temp = pi->next; | |
ea47320b | 12626 | bgp_damp_info_free( |
40381db7 | 12627 | pi->extra->damp_info, |
a935f597 | 12628 | 1, afi, safi); |
40381db7 | 12629 | pi = pi_temp; |
ea47320b | 12630 | } else |
40381db7 | 12631 | pi = pi->next; |
d62a17ae | 12632 | } |
ea47320b DL |
12633 | } |
12634 | ||
12635 | bgp_unlock_node(rm); | |
d62a17ae | 12636 | } |
12637 | } else { | |
12638 | if ((rn = bgp_node_match(bgp->rib[afi][safi], &match)) | |
12639 | != NULL) { | |
12640 | if (!prefix_check | |
12641 | || rn->p.prefixlen == match.prefixlen) { | |
6f94b685 | 12642 | pi = bgp_node_get_bgp_path_info(rn); |
40381db7 DS |
12643 | while (pi) { |
12644 | if (pi->extra && pi->extra->damp_info) { | |
12645 | pi_temp = pi->next; | |
d62a17ae | 12646 | bgp_damp_info_free( |
40381db7 | 12647 | pi->extra->damp_info, |
a935f597 | 12648 | 1, afi, safi); |
40381db7 | 12649 | pi = pi_temp; |
d62a17ae | 12650 | } else |
40381db7 | 12651 | pi = pi->next; |
d62a17ae | 12652 | } |
12653 | } | |
12654 | ||
12655 | bgp_unlock_node(rn); | |
12656 | } | |
12657 | } | |
718e3744 | 12658 | |
d62a17ae | 12659 | return CMD_SUCCESS; |
718e3744 | 12660 | } |
12661 | ||
12662 | DEFUN (clear_ip_bgp_dampening, | |
12663 | clear_ip_bgp_dampening_cmd, | |
12664 | "clear ip bgp dampening", | |
12665 | CLEAR_STR | |
12666 | IP_STR | |
12667 | BGP_STR | |
12668 | "Clear route flap dampening information\n") | |
12669 | { | |
a935f597 | 12670 | bgp_damp_info_clean(AFI_IP, SAFI_UNICAST); |
d62a17ae | 12671 | return CMD_SUCCESS; |
718e3744 | 12672 | } |
12673 | ||
12674 | DEFUN (clear_ip_bgp_dampening_prefix, | |
12675 | clear_ip_bgp_dampening_prefix_cmd, | |
12676 | "clear ip bgp dampening A.B.C.D/M", | |
12677 | CLEAR_STR | |
12678 | IP_STR | |
12679 | BGP_STR | |
12680 | "Clear route flap dampening information\n" | |
0c7b1b01 | 12681 | "IPv4 prefix\n") |
718e3744 | 12682 | { |
d62a17ae | 12683 | int idx_ipv4_prefixlen = 4; |
12684 | return bgp_clear_damp_route(vty, NULL, argv[idx_ipv4_prefixlen]->arg, | |
12685 | AFI_IP, SAFI_UNICAST, NULL, 1); | |
718e3744 | 12686 | } |
12687 | ||
12688 | DEFUN (clear_ip_bgp_dampening_address, | |
12689 | clear_ip_bgp_dampening_address_cmd, | |
12690 | "clear ip bgp dampening A.B.C.D", | |
12691 | CLEAR_STR | |
12692 | IP_STR | |
12693 | BGP_STR | |
12694 | "Clear route flap dampening information\n" | |
12695 | "Network to clear damping information\n") | |
12696 | { | |
d62a17ae | 12697 | int idx_ipv4 = 4; |
12698 | return bgp_clear_damp_route(vty, NULL, argv[idx_ipv4]->arg, AFI_IP, | |
12699 | SAFI_UNICAST, NULL, 0); | |
718e3744 | 12700 | } |
12701 | ||
12702 | DEFUN (clear_ip_bgp_dampening_address_mask, | |
12703 | clear_ip_bgp_dampening_address_mask_cmd, | |
12704 | "clear ip bgp dampening A.B.C.D A.B.C.D", | |
12705 | CLEAR_STR | |
12706 | IP_STR | |
12707 | BGP_STR | |
12708 | "Clear route flap dampening information\n" | |
12709 | "Network to clear damping information\n" | |
12710 | "Network mask\n") | |
12711 | { | |
d62a17ae | 12712 | int idx_ipv4 = 4; |
12713 | int idx_ipv4_2 = 5; | |
12714 | int ret; | |
12715 | char prefix_str[BUFSIZ]; | |
718e3744 | 12716 | |
d62a17ae | 12717 | ret = netmask_str2prefix_str(argv[idx_ipv4]->arg, argv[idx_ipv4_2]->arg, |
12718 | prefix_str); | |
12719 | if (!ret) { | |
12720 | vty_out(vty, "%% Inconsistent address and mask\n"); | |
12721 | return CMD_WARNING; | |
12722 | } | |
718e3744 | 12723 | |
d62a17ae | 12724 | return bgp_clear_damp_route(vty, NULL, prefix_str, AFI_IP, SAFI_UNICAST, |
12725 | NULL, 0); | |
718e3744 | 12726 | } |
6b0655a2 | 12727 | |
e3b78da8 | 12728 | static void show_bgp_peerhash_entry(struct hash_bucket *bucket, void *arg) |
825d9834 DS |
12729 | { |
12730 | struct vty *vty = arg; | |
e3b78da8 | 12731 | struct peer *peer = bucket->data; |
825d9834 DS |
12732 | char buf[SU_ADDRSTRLEN]; |
12733 | ||
12734 | vty_out(vty, "\tPeer: %s %s\n", peer->host, | |
12735 | sockunion2str(&peer->su, buf, sizeof(buf))); | |
12736 | } | |
12737 | ||
12738 | DEFUN (show_bgp_peerhash, | |
12739 | show_bgp_peerhash_cmd, | |
12740 | "show bgp peerhash", | |
12741 | SHOW_STR | |
12742 | BGP_STR | |
12743 | "Display information about the BGP peerhash\n") | |
12744 | { | |
12745 | struct list *instances = bm->bgp; | |
12746 | struct listnode *node; | |
12747 | struct bgp *bgp; | |
12748 | ||
12749 | for (ALL_LIST_ELEMENTS_RO(instances, node, bgp)) { | |
12750 | vty_out(vty, "BGP: %s\n", bgp->name); | |
12751 | hash_iterate(bgp->peerhash, show_bgp_peerhash_entry, | |
12752 | vty); | |
12753 | } | |
12754 | ||
12755 | return CMD_SUCCESS; | |
12756 | } | |
12757 | ||
587ff0fd | 12758 | /* also used for encap safi */ |
2b791107 DL |
12759 | static void bgp_config_write_network_vpn(struct vty *vty, struct bgp *bgp, |
12760 | afi_t afi, safi_t safi) | |
d62a17ae | 12761 | { |
12762 | struct bgp_node *prn; | |
12763 | struct bgp_node *rn; | |
12764 | struct bgp_table *table; | |
12765 | struct prefix *p; | |
12766 | struct prefix_rd *prd; | |
12767 | struct bgp_static *bgp_static; | |
12768 | mpls_label_t label; | |
12769 | char buf[SU_ADDRSTRLEN]; | |
12770 | char rdbuf[RD_ADDRSTRLEN]; | |
12771 | ||
12772 | /* Network configuration. */ | |
12773 | for (prn = bgp_table_top(bgp->route[afi][safi]); prn; | |
ea47320b | 12774 | prn = bgp_route_next(prn)) { |
67009e22 DS |
12775 | table = bgp_node_get_bgp_table_info(prn); |
12776 | if (!table) | |
ea47320b | 12777 | continue; |
d62a17ae | 12778 | |
60466a63 | 12779 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
5a8ba9fc | 12780 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12781 | if (bgp_static == NULL) |
ea47320b | 12782 | continue; |
d62a17ae | 12783 | |
ea47320b DL |
12784 | p = &rn->p; |
12785 | prd = (struct prefix_rd *)&prn->p; | |
d62a17ae | 12786 | |
ea47320b | 12787 | /* "network" configuration display. */ |
06b9f471 | 12788 | prefix_rd2str(prd, rdbuf, sizeof(rdbuf)); |
ea47320b DL |
12789 | label = decode_label(&bgp_static->label); |
12790 | ||
12791 | vty_out(vty, " network %s/%d rd %s", | |
12792 | inet_ntop(p->family, &p->u.prefix, buf, | |
12793 | SU_ADDRSTRLEN), | |
12794 | p->prefixlen, rdbuf); | |
12795 | if (safi == SAFI_MPLS_VPN) | |
12796 | vty_out(vty, " label %u", label); | |
12797 | ||
12798 | if (bgp_static->rmap.name) | |
12799 | vty_out(vty, " route-map %s", | |
12800 | bgp_static->rmap.name); | |
e2a86ad9 DS |
12801 | |
12802 | if (bgp_static->backdoor) | |
12803 | vty_out(vty, " backdoor"); | |
12804 | ||
ea47320b DL |
12805 | vty_out(vty, "\n"); |
12806 | } | |
12807 | } | |
d62a17ae | 12808 | } |
12809 | ||
2b791107 DL |
12810 | static void bgp_config_write_network_evpn(struct vty *vty, struct bgp *bgp, |
12811 | afi_t afi, safi_t safi) | |
d62a17ae | 12812 | { |
12813 | struct bgp_node *prn; | |
12814 | struct bgp_node *rn; | |
12815 | struct bgp_table *table; | |
12816 | struct prefix *p; | |
12817 | struct prefix_rd *prd; | |
12818 | struct bgp_static *bgp_static; | |
ff44f570 | 12819 | char buf[PREFIX_STRLEN * 2]; |
d62a17ae | 12820 | char buf2[SU_ADDRSTRLEN]; |
12821 | char rdbuf[RD_ADDRSTRLEN]; | |
12822 | ||
12823 | /* Network configuration. */ | |
12824 | for (prn = bgp_table_top(bgp->route[afi][safi]); prn; | |
ea47320b | 12825 | prn = bgp_route_next(prn)) { |
67009e22 DS |
12826 | table = bgp_node_get_bgp_table_info(prn); |
12827 | if (!table) | |
ea47320b | 12828 | continue; |
d62a17ae | 12829 | |
60466a63 | 12830 | for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { |
5a8ba9fc | 12831 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12832 | if (bgp_static == NULL) |
ea47320b | 12833 | continue; |
d62a17ae | 12834 | |
ea47320b DL |
12835 | char *macrouter = NULL; |
12836 | char *esi = NULL; | |
d62a17ae | 12837 | |
ea47320b DL |
12838 | if (bgp_static->router_mac) |
12839 | macrouter = prefix_mac2str( | |
12840 | bgp_static->router_mac, NULL, 0); | |
12841 | if (bgp_static->eth_s_id) | |
12842 | esi = esi2str(bgp_static->eth_s_id); | |
12843 | p = &rn->p; | |
12844 | prd = (struct prefix_rd *)&prn->p; | |
d62a17ae | 12845 | |
ea47320b | 12846 | /* "network" configuration display. */ |
06b9f471 | 12847 | prefix_rd2str(prd, rdbuf, sizeof(rdbuf)); |
197cb530 PG |
12848 | if (p->u.prefix_evpn.route_type == 5) { |
12849 | char local_buf[PREFIX_STRLEN]; | |
3714a385 | 12850 | uint8_t family = is_evpn_prefix_ipaddr_v4(( |
a4d82a8a PZ |
12851 | struct prefix_evpn *)p) |
12852 | ? AF_INET | |
12853 | : AF_INET6; | |
3714a385 | 12854 | inet_ntop(family, |
12855 | &p->u.prefix_evpn.prefix_addr.ip.ip.addr, | |
a4d82a8a PZ |
12856 | local_buf, PREFIX_STRLEN); |
12857 | sprintf(buf, "%s/%u", local_buf, | |
3714a385 | 12858 | p->u.prefix_evpn.prefix_addr.ip_prefix_length); |
197cb530 PG |
12859 | } else { |
12860 | prefix2str(p, buf, sizeof(buf)); | |
12861 | } | |
ea47320b | 12862 | |
a4d82a8a PZ |
12863 | if (bgp_static->gatewayIp.family == AF_INET |
12864 | || bgp_static->gatewayIp.family == AF_INET6) | |
197cb530 PG |
12865 | inet_ntop(bgp_static->gatewayIp.family, |
12866 | &bgp_static->gatewayIp.u.prefix, buf2, | |
12867 | sizeof(buf2)); | |
ea47320b | 12868 | vty_out(vty, |
7bcc8dac | 12869 | " network %s rd %s ethtag %u label %u esi %s gwip %s routermac %s\n", |
3714a385 | 12870 | buf, rdbuf, |
12871 | p->u.prefix_evpn.prefix_addr.eth_tag, | |
60466a63 | 12872 | decode_label(&bgp_static->label), esi, buf2, |
ea47320b DL |
12873 | macrouter); |
12874 | ||
0a22ddfb QY |
12875 | XFREE(MTYPE_TMP, macrouter); |
12876 | XFREE(MTYPE_TMP, esi); | |
ea47320b DL |
12877 | } |
12878 | } | |
3da6fcd5 PG |
12879 | } |
12880 | ||
718e3744 | 12881 | /* Configuration of static route announcement and aggregate |
12882 | information. */ | |
2b791107 DL |
12883 | void bgp_config_write_network(struct vty *vty, struct bgp *bgp, afi_t afi, |
12884 | safi_t safi) | |
d62a17ae | 12885 | { |
12886 | struct bgp_node *rn; | |
12887 | struct prefix *p; | |
12888 | struct bgp_static *bgp_static; | |
12889 | struct bgp_aggregate *bgp_aggregate; | |
12890 | char buf[SU_ADDRSTRLEN]; | |
12891 | ||
2b791107 DL |
12892 | if ((safi == SAFI_MPLS_VPN) || (safi == SAFI_ENCAP)) { |
12893 | bgp_config_write_network_vpn(vty, bgp, afi, safi); | |
12894 | return; | |
12895 | } | |
d62a17ae | 12896 | |
2b791107 DL |
12897 | if (afi == AFI_L2VPN && safi == SAFI_EVPN) { |
12898 | bgp_config_write_network_evpn(vty, bgp, afi, safi); | |
12899 | return; | |
12900 | } | |
d62a17ae | 12901 | |
12902 | /* Network configuration. */ | |
12903 | for (rn = bgp_table_top(bgp->route[afi][safi]); rn; | |
ea47320b | 12904 | rn = bgp_route_next(rn)) { |
5a8ba9fc | 12905 | bgp_static = bgp_node_get_bgp_static_info(rn); |
a78beeb5 | 12906 | if (bgp_static == NULL) |
ea47320b | 12907 | continue; |
d62a17ae | 12908 | |
ea47320b | 12909 | p = &rn->p; |
d62a17ae | 12910 | |
d8a9922d DS |
12911 | vty_out(vty, " network %s/%d", |
12912 | inet_ntop(p->family, &p->u.prefix, buf, SU_ADDRSTRLEN), | |
12913 | p->prefixlen); | |
d62a17ae | 12914 | |
ea47320b DL |
12915 | if (bgp_static->label_index != BGP_INVALID_LABEL_INDEX) |
12916 | vty_out(vty, " label-index %u", | |
12917 | bgp_static->label_index); | |
d62a17ae | 12918 | |
ea47320b DL |
12919 | if (bgp_static->rmap.name) |
12920 | vty_out(vty, " route-map %s", bgp_static->rmap.name); | |
e2a86ad9 DS |
12921 | |
12922 | if (bgp_static->backdoor) | |
12923 | vty_out(vty, " backdoor"); | |
718e3744 | 12924 | |
ea47320b DL |
12925 | vty_out(vty, "\n"); |
12926 | } | |
12927 | ||
d62a17ae | 12928 | /* Aggregate-address configuration. */ |
12929 | for (rn = bgp_table_top(bgp->aggregate[afi][safi]); rn; | |
ea47320b | 12930 | rn = bgp_route_next(rn)) { |
b613a918 | 12931 | bgp_aggregate = bgp_node_get_bgp_aggregate_info(rn); |
b1e62edd | 12932 | if (bgp_aggregate == NULL) |
ea47320b | 12933 | continue; |
d62a17ae | 12934 | |
ea47320b | 12935 | p = &rn->p; |
d62a17ae | 12936 | |
d8a9922d DS |
12937 | vty_out(vty, " aggregate-address %s/%d", |
12938 | inet_ntop(p->family, &p->u.prefix, buf, SU_ADDRSTRLEN), | |
12939 | p->prefixlen); | |
d62a17ae | 12940 | |
ea47320b DL |
12941 | if (bgp_aggregate->as_set) |
12942 | vty_out(vty, " as-set"); | |
d62a17ae | 12943 | |
ea47320b DL |
12944 | if (bgp_aggregate->summary_only) |
12945 | vty_out(vty, " summary-only"); | |
718e3744 | 12946 | |
20894f50 DA |
12947 | if (bgp_aggregate->rmap.name) |
12948 | vty_out(vty, " route-map %s", bgp_aggregate->rmap.name); | |
12949 | ||
ea47320b DL |
12950 | vty_out(vty, "\n"); |
12951 | } | |
d62a17ae | 12952 | } |
734b349e | 12953 | |
2b791107 | 12954 | void bgp_config_write_distance(struct vty *vty, struct bgp *bgp, afi_t afi, |
60466a63 | 12955 | safi_t safi) |
d62a17ae | 12956 | { |
12957 | struct bgp_node *rn; | |
12958 | struct bgp_distance *bdistance; | |
12959 | ||
12960 | /* Distance configuration. */ | |
12961 | if (bgp->distance_ebgp[afi][safi] && bgp->distance_ibgp[afi][safi] | |
12962 | && bgp->distance_local[afi][safi] | |
12963 | && (bgp->distance_ebgp[afi][safi] != ZEBRA_EBGP_DISTANCE_DEFAULT | |
12964 | || bgp->distance_ibgp[afi][safi] != ZEBRA_IBGP_DISTANCE_DEFAULT | |
12965 | || bgp->distance_local[afi][safi] | |
12966 | != ZEBRA_IBGP_DISTANCE_DEFAULT)) { | |
d62a17ae | 12967 | vty_out(vty, " distance bgp %d %d %d\n", |
12968 | bgp->distance_ebgp[afi][safi], | |
12969 | bgp->distance_ibgp[afi][safi], | |
12970 | bgp->distance_local[afi][safi]); | |
12971 | } | |
734b349e | 12972 | |
d62a17ae | 12973 | for (rn = bgp_table_top(bgp_distance_table[afi][safi]); rn; |
ca2e160d | 12974 | rn = bgp_route_next(rn)) { |
5b00b40e | 12975 | bdistance = bgp_node_get_bgp_distance_info(rn); |
ca2e160d | 12976 | if (bdistance != NULL) { |
d62a17ae | 12977 | char buf[PREFIX_STRLEN]; |
12978 | ||
d62a17ae | 12979 | vty_out(vty, " distance %d %s %s\n", |
12980 | bdistance->distance, | |
12981 | prefix2str(&rn->p, buf, sizeof(buf)), | |
12982 | bdistance->access_list ? bdistance->access_list | |
12983 | : ""); | |
12984 | } | |
ca2e160d | 12985 | } |
718e3744 | 12986 | } |
12987 | ||
12988 | /* Allocate routing table structure and install commands. */ | |
d62a17ae | 12989 | void bgp_route_init(void) |
12990 | { | |
12991 | afi_t afi; | |
12992 | safi_t safi; | |
12993 | ||
12994 | /* Init BGP distance table. */ | |
05c7a1cc | 12995 | FOREACH_AFI_SAFI (afi, safi) |
960035b2 | 12996 | bgp_distance_table[afi][safi] = bgp_table_init(NULL, afi, safi); |
d62a17ae | 12997 | |
12998 | /* IPv4 BGP commands. */ | |
12999 | install_element(BGP_NODE, &bgp_table_map_cmd); | |
13000 | install_element(BGP_NODE, &bgp_network_cmd); | |
d62a17ae | 13001 | install_element(BGP_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 13002 | |
13003 | install_element(BGP_NODE, &aggregate_address_cmd); | |
13004 | install_element(BGP_NODE, &aggregate_address_mask_cmd); | |
13005 | install_element(BGP_NODE, &no_aggregate_address_cmd); | |
13006 | install_element(BGP_NODE, &no_aggregate_address_mask_cmd); | |
13007 | ||
13008 | /* IPv4 unicast configuration. */ | |
13009 | install_element(BGP_IPV4_NODE, &bgp_table_map_cmd); | |
13010 | install_element(BGP_IPV4_NODE, &bgp_network_cmd); | |
d62a17ae | 13011 | install_element(BGP_IPV4_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 13012 | |
13013 | install_element(BGP_IPV4_NODE, &aggregate_address_cmd); | |
13014 | install_element(BGP_IPV4_NODE, &aggregate_address_mask_cmd); | |
13015 | install_element(BGP_IPV4_NODE, &no_aggregate_address_cmd); | |
13016 | install_element(BGP_IPV4_NODE, &no_aggregate_address_mask_cmd); | |
13017 | ||
13018 | /* IPv4 multicast configuration. */ | |
13019 | install_element(BGP_IPV4M_NODE, &bgp_table_map_cmd); | |
13020 | install_element(BGP_IPV4M_NODE, &bgp_network_cmd); | |
d62a17ae | 13021 | install_element(BGP_IPV4M_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 13022 | install_element(BGP_IPV4M_NODE, &aggregate_address_cmd); |
13023 | install_element(BGP_IPV4M_NODE, &aggregate_address_mask_cmd); | |
13024 | install_element(BGP_IPV4M_NODE, &no_aggregate_address_cmd); | |
13025 | install_element(BGP_IPV4M_NODE, &no_aggregate_address_mask_cmd); | |
13026 | ||
13027 | /* IPv4 labeled-unicast configuration. */ | |
13028 | install_element(VIEW_NODE, &show_ip_bgp_instance_all_cmd); | |
13029 | install_element(VIEW_NODE, &show_ip_bgp_cmd); | |
7b2ff250 | 13030 | install_element(VIEW_NODE, &show_ip_bgp_json_cmd); |
d62a17ae | 13031 | install_element(VIEW_NODE, &show_ip_bgp_route_cmd); |
13032 | install_element(VIEW_NODE, &show_ip_bgp_regexp_cmd); | |
13033 | ||
13034 | install_element(VIEW_NODE, | |
13035 | &show_ip_bgp_instance_neighbor_advertised_route_cmd); | |
13036 | install_element(VIEW_NODE, &show_ip_bgp_neighbor_routes_cmd); | |
13037 | install_element(VIEW_NODE, | |
13038 | &show_ip_bgp_neighbor_received_prefix_filter_cmd); | |
d6902373 | 13039 | #ifdef KEEP_OLD_VPN_COMMANDS |
d62a17ae | 13040 | install_element(VIEW_NODE, &show_ip_bgp_vpn_all_route_prefix_cmd); |
d6902373 | 13041 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
d62a17ae | 13042 | install_element(VIEW_NODE, &show_bgp_afi_vpn_rd_route_cmd); |
13043 | install_element(VIEW_NODE, | |
44c69747 | 13044 | &show_bgp_l2vpn_evpn_route_prefix_cmd); |
57d187bc | 13045 | |
d62a17ae | 13046 | /* BGP dampening clear commands */ |
13047 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_cmd); | |
13048 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_prefix_cmd); | |
718e3744 | 13049 | |
d62a17ae | 13050 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_address_cmd); |
13051 | install_element(ENABLE_NODE, &clear_ip_bgp_dampening_address_mask_cmd); | |
13052 | ||
13053 | /* prefix count */ | |
13054 | install_element(ENABLE_NODE, | |
13055 | &show_ip_bgp_instance_neighbor_prefix_counts_cmd); | |
d6902373 | 13056 | #ifdef KEEP_OLD_VPN_COMMANDS |
d62a17ae | 13057 | install_element(ENABLE_NODE, |
13058 | &show_ip_bgp_vpn_neighbor_prefix_counts_cmd); | |
d6902373 | 13059 | #endif /* KEEP_OLD_VPN_COMMANDS */ |
ff7924f6 | 13060 | |
d62a17ae | 13061 | /* New config IPv6 BGP commands. */ |
13062 | install_element(BGP_IPV6_NODE, &bgp_table_map_cmd); | |
13063 | install_element(BGP_IPV6_NODE, &ipv6_bgp_network_cmd); | |
d62a17ae | 13064 | install_element(BGP_IPV6_NODE, &no_bgp_table_map_cmd); |
d62a17ae | 13065 | |
13066 | install_element(BGP_IPV6_NODE, &ipv6_aggregate_address_cmd); | |
13067 | install_element(BGP_IPV6_NODE, &no_ipv6_aggregate_address_cmd); | |
13068 | ||
13069 | install_element(BGP_IPV6M_NODE, &ipv6_bgp_network_cmd); | |
d62a17ae | 13070 | |
d62a17ae | 13071 | install_element(BGP_NODE, &bgp_distance_cmd); |
13072 | install_element(BGP_NODE, &no_bgp_distance_cmd); | |
13073 | install_element(BGP_NODE, &bgp_distance_source_cmd); | |
13074 | install_element(BGP_NODE, &no_bgp_distance_source_cmd); | |
13075 | install_element(BGP_NODE, &bgp_distance_source_access_list_cmd); | |
13076 | install_element(BGP_NODE, &no_bgp_distance_source_access_list_cmd); | |
13077 | install_element(BGP_IPV4_NODE, &bgp_distance_cmd); | |
13078 | install_element(BGP_IPV4_NODE, &no_bgp_distance_cmd); | |
13079 | install_element(BGP_IPV4_NODE, &bgp_distance_source_cmd); | |
13080 | install_element(BGP_IPV4_NODE, &no_bgp_distance_source_cmd); | |
13081 | install_element(BGP_IPV4_NODE, &bgp_distance_source_access_list_cmd); | |
13082 | install_element(BGP_IPV4_NODE, &no_bgp_distance_source_access_list_cmd); | |
13083 | install_element(BGP_IPV4M_NODE, &bgp_distance_cmd); | |
13084 | install_element(BGP_IPV4M_NODE, &no_bgp_distance_cmd); | |
13085 | install_element(BGP_IPV4M_NODE, &bgp_distance_source_cmd); | |
13086 | install_element(BGP_IPV4M_NODE, &no_bgp_distance_source_cmd); | |
13087 | install_element(BGP_IPV4M_NODE, &bgp_distance_source_access_list_cmd); | |
13088 | install_element(BGP_IPV4M_NODE, | |
13089 | &no_bgp_distance_source_access_list_cmd); | |
13090 | install_element(BGP_IPV6_NODE, &bgp_distance_cmd); | |
13091 | install_element(BGP_IPV6_NODE, &no_bgp_distance_cmd); | |
13092 | install_element(BGP_IPV6_NODE, &ipv6_bgp_distance_source_cmd); | |
13093 | install_element(BGP_IPV6_NODE, &no_ipv6_bgp_distance_source_cmd); | |
13094 | install_element(BGP_IPV6_NODE, | |
13095 | &ipv6_bgp_distance_source_access_list_cmd); | |
13096 | install_element(BGP_IPV6_NODE, | |
13097 | &no_ipv6_bgp_distance_source_access_list_cmd); | |
13098 | install_element(BGP_IPV6M_NODE, &bgp_distance_cmd); | |
13099 | install_element(BGP_IPV6M_NODE, &no_bgp_distance_cmd); | |
13100 | install_element(BGP_IPV6M_NODE, &ipv6_bgp_distance_source_cmd); | |
13101 | install_element(BGP_IPV6M_NODE, &no_ipv6_bgp_distance_source_cmd); | |
13102 | install_element(BGP_IPV6M_NODE, | |
13103 | &ipv6_bgp_distance_source_access_list_cmd); | |
13104 | install_element(BGP_IPV6M_NODE, | |
13105 | &no_ipv6_bgp_distance_source_access_list_cmd); | |
13106 | ||
13107 | install_element(BGP_NODE, &bgp_damp_set_cmd); | |
13108 | install_element(BGP_NODE, &bgp_damp_unset_cmd); | |
13109 | install_element(BGP_IPV4_NODE, &bgp_damp_set_cmd); | |
13110 | install_element(BGP_IPV4_NODE, &bgp_damp_unset_cmd); | |
13111 | ||
13112 | /* IPv4 Multicast Mode */ | |
13113 | install_element(BGP_IPV4M_NODE, &bgp_damp_set_cmd); | |
13114 | install_element(BGP_IPV4M_NODE, &bgp_damp_unset_cmd); | |
13115 | ||
13116 | /* Large Communities */ | |
13117 | install_element(VIEW_NODE, &show_ip_bgp_large_community_list_cmd); | |
13118 | install_element(VIEW_NODE, &show_ip_bgp_large_community_cmd); | |
dba3c1d3 PG |
13119 | |
13120 | /* show bgp ipv4 flowspec detailed */ | |
13121 | install_element(VIEW_NODE, &show_ip_bgp_flowspec_routes_detailed_cmd); | |
13122 | ||
825d9834 | 13123 | install_element(VIEW_NODE, &show_bgp_peerhash_cmd); |
d62a17ae | 13124 | } |
13125 | ||
13126 | void bgp_route_finish(void) | |
13127 | { | |
13128 | afi_t afi; | |
13129 | safi_t safi; | |
13130 | ||
05c7a1cc QY |
13131 | FOREACH_AFI_SAFI (afi, safi) { |
13132 | bgp_table_unlock(bgp_distance_table[afi][safi]); | |
13133 | bgp_distance_table[afi][safi] = NULL; | |
13134 | } | |
228da428 | 13135 | } |