1 /* BGP routing information
2 * Copyright (C) 1996, 97, 98, 99 Kunihiro Ishiguro
3 * Copyright (C) 2016 Job Snijders <job@instituut.net>
5 * This file is part of GNU Zebra.
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
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.
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
33 #include "sockunion.h"
36 #include "workqueue.h"
42 #include "bgpd/bgpd.h"
43 #include "bgpd/bgp_table.h"
44 #include "bgpd/bgp_route.h"
45 #include "bgpd/bgp_attr.h"
46 #include "bgpd/bgp_debug.h"
47 #include "bgpd/bgp_aspath.h"
48 #include "bgpd/bgp_regex.h"
49 #include "bgpd/bgp_community.h"
50 #include "bgpd/bgp_ecommunity.h"
51 #include "bgpd/bgp_lcommunity.h"
52 #include "bgpd/bgp_clist.h"
53 #include "bgpd/bgp_packet.h"
54 #include "bgpd/bgp_filter.h"
55 #include "bgpd/bgp_fsm.h"
56 #include "bgpd/bgp_mplsvpn.h"
57 #include "bgpd/bgp_encap.h"
58 #include "bgpd/bgp_nexthop.h"
59 #include "bgpd/bgp_damp.h"
60 #include "bgpd/bgp_advertise.h"
61 #include "bgpd/bgp_zebra.h"
62 #include "bgpd/bgp_vty.h"
63 #include "bgpd/bgp_mpath.h"
64 #include "bgpd/bgp_nht.h"
65 #include "bgpd/bgp_updgrp.h"
66 #include "bgpd/bgp_label.h"
69 #include "bgpd/rfapi/rfapi_backend.h"
70 #include "bgpd/rfapi/vnc_import_bgp.h"
71 #include "bgpd/rfapi/vnc_export_bgp.h"
73 #include "bgpd/bgp_encap_types.h"
74 #include "bgpd/bgp_encap_tlv.h"
75 #include "bgpd/bgp_evpn.h"
76 #include "bgpd/bgp_evpn_vty.h"
79 /* Extern from bgp_dump.c */
80 extern const char *bgp_origin_str
[];
81 extern const char *bgp_origin_long_str
[];
84 bgp_afi_node_get (struct bgp_table
*table
, afi_t afi
, safi_t safi
, struct prefix
*p
,
85 struct prefix_rd
*prd
)
88 struct bgp_node
*prn
= NULL
;
94 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_ENCAP
) ||
97 prn
= bgp_node_get (table
, (struct prefix
*) prd
);
99 if (prn
->info
== NULL
)
100 prn
->info
= bgp_table_init (afi
, safi
);
102 bgp_unlock_node (prn
);
106 rn
= bgp_node_get (table
, p
);
108 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_ENCAP
) ||
115 /* Allocate bgp_info_extra */
116 static struct bgp_info_extra
*
117 bgp_info_extra_new (void)
119 struct bgp_info_extra
*new;
120 new = XCALLOC (MTYPE_BGP_ROUTE_EXTRA
, sizeof (struct bgp_info_extra
));
125 bgp_info_extra_free (struct bgp_info_extra
**extra
)
129 if ((*extra
)->damp_info
)
130 bgp_damp_info_free ((*extra
)->damp_info
, 0);
132 (*extra
)->damp_info
= NULL
;
134 XFREE (MTYPE_BGP_ROUTE_EXTRA
, *extra
);
140 /* Get bgp_info extra information for the given bgp_info, lazy allocated
143 struct bgp_info_extra
*
144 bgp_info_extra_get (struct bgp_info
*ri
)
147 ri
->extra
= bgp_info_extra_new();
151 /* Allocate new bgp info structure. */
155 return XCALLOC (MTYPE_BGP_ROUTE
, sizeof (struct bgp_info
));
158 /* Free bgp route information. */
160 bgp_info_free (struct bgp_info
*binfo
)
163 bgp_attr_unintern (&binfo
->attr
);
165 bgp_unlink_nexthop(binfo
);
166 bgp_info_extra_free (&binfo
->extra
);
167 bgp_info_mpath_free (&binfo
->mpath
);
169 peer_unlock (binfo
->peer
); /* bgp_info peer reference */
171 XFREE (MTYPE_BGP_ROUTE
, binfo
);
175 bgp_info_lock (struct bgp_info
*binfo
)
182 bgp_info_unlock (struct bgp_info
*binfo
)
184 assert (binfo
&& binfo
->lock
> 0);
187 if (binfo
->lock
== 0)
190 zlog_debug ("%s: unlocked and freeing", __func__
);
191 zlog_backtrace (LOG_DEBUG
);
193 bgp_info_free (binfo
);
198 if (binfo
->lock
== 1)
200 zlog_debug ("%s: unlocked to 1", __func__
);
201 zlog_backtrace (LOG_DEBUG
);
209 bgp_info_add (struct bgp_node
*rn
, struct bgp_info
*ri
)
211 struct bgp_info
*top
;
223 peer_lock (ri
->peer
); /* bgp_info peer reference */
226 /* Do the actual removal of info from RIB, for use by bgp_process
227 completion callback *only* */
229 bgp_info_reap (struct bgp_node
*rn
, struct bgp_info
*ri
)
232 ri
->next
->prev
= ri
->prev
;
234 ri
->prev
->next
= ri
->next
;
238 bgp_info_mpath_dequeue (ri
);
239 bgp_info_unlock (ri
);
240 bgp_unlock_node (rn
);
244 bgp_info_delete (struct bgp_node
*rn
, struct bgp_info
*ri
)
246 bgp_info_set_flag (rn
, ri
, BGP_INFO_REMOVED
);
247 /* set of previous already took care of pcount */
248 UNSET_FLAG (ri
->flags
, BGP_INFO_VALID
);
251 /* undo the effects of a previous call to bgp_info_delete; typically
252 called when a route is deleted and then quickly re-added before the
253 deletion has been processed */
255 bgp_info_restore (struct bgp_node
*rn
, struct bgp_info
*ri
)
257 bgp_info_unset_flag (rn
, ri
, BGP_INFO_REMOVED
);
258 /* unset of previous already took care of pcount */
259 SET_FLAG (ri
->flags
, BGP_INFO_VALID
);
262 /* Adjust pcount as required */
264 bgp_pcount_adjust (struct bgp_node
*rn
, struct bgp_info
*ri
)
266 struct bgp_table
*table
;
268 assert (rn
&& bgp_node_table (rn
));
269 assert (ri
&& ri
->peer
&& ri
->peer
->bgp
);
271 table
= bgp_node_table (rn
);
273 if (ri
->peer
== ri
->peer
->bgp
->peer_self
)
276 if (!BGP_INFO_COUNTABLE (ri
)
277 && CHECK_FLAG (ri
->flags
, BGP_INFO_COUNTED
))
280 UNSET_FLAG (ri
->flags
, BGP_INFO_COUNTED
);
282 /* slight hack, but more robust against errors. */
283 if (ri
->peer
->pcount
[table
->afi
][table
->safi
])
284 ri
->peer
->pcount
[table
->afi
][table
->safi
]--;
287 zlog_warn ("%s: Asked to decrement 0 prefix count for peer %s",
288 __func__
, ri
->peer
->host
);
289 zlog_backtrace (LOG_WARNING
);
290 zlog_warn ("%s: Please report to Quagga bugzilla", __func__
);
293 else if (BGP_INFO_COUNTABLE (ri
)
294 && !CHECK_FLAG (ri
->flags
, BGP_INFO_COUNTED
))
296 SET_FLAG (ri
->flags
, BGP_INFO_COUNTED
);
297 ri
->peer
->pcount
[table
->afi
][table
->safi
]++;
302 bgp_label_index_differs (struct bgp_info
*ri1
, struct bgp_info
*ri2
)
304 return (!(ri1
->attr
->extra
->label_index
== ri2
->attr
->extra
->label_index
));
307 /* Set/unset bgp_info flags, adjusting any other state as needed.
308 * This is here primarily to keep prefix-count in check.
311 bgp_info_set_flag (struct bgp_node
*rn
, struct bgp_info
*ri
, u_int32_t flag
)
313 SET_FLAG (ri
->flags
, flag
);
315 /* early bath if we know it's not a flag that changes countability state */
316 if (!CHECK_FLAG (flag
, BGP_INFO_VALID
|BGP_INFO_HISTORY
|BGP_INFO_REMOVED
))
319 bgp_pcount_adjust (rn
, ri
);
323 bgp_info_unset_flag (struct bgp_node
*rn
, struct bgp_info
*ri
, u_int32_t flag
)
325 UNSET_FLAG (ri
->flags
, flag
);
327 /* early bath if we know it's not a flag that changes countability state */
328 if (!CHECK_FLAG (flag
, BGP_INFO_VALID
|BGP_INFO_HISTORY
|BGP_INFO_REMOVED
))
331 bgp_pcount_adjust (rn
, ri
);
334 /* Get MED value. If MED value is missing and "bgp bestpath
335 missing-as-worst" is specified, treat it as the worst value. */
337 bgp_med_value (struct attr
*attr
, struct bgp
*bgp
)
339 if (attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC
))
343 if (bgp_flag_check (bgp
, BGP_FLAG_MED_MISSING_AS_WORST
))
351 bgp_info_path_with_addpath_rx_str (struct bgp_info
*ri
, char *buf
)
353 if (ri
->addpath_rx_id
)
354 sprintf(buf
, "path %s (addpath rxid %d)", ri
->peer
->host
, ri
->addpath_rx_id
);
356 sprintf(buf
, "path %s", ri
->peer
->host
);
359 /* Compare two bgp route entity. If 'new' is preferable over 'exist' return 1. */
361 bgp_info_cmp (struct bgp
*bgp
, struct bgp_info
*new, struct bgp_info
*exist
,
362 int *paths_eq
, struct bgp_maxpaths_cfg
*mpath_cfg
, int debug
,
365 struct attr
*newattr
, *existattr
;
366 struct attr_extra
*newattre
, *existattre
;
367 bgp_peer_sort_t new_sort
;
368 bgp_peer_sort_t exist_sort
;
370 u_int32_t exist_pref
;
373 u_int32_t new_weight
;
374 u_int32_t exist_weight
;
375 uint32_t newm
, existm
;
376 struct in_addr new_id
;
377 struct in_addr exist_id
;
380 int internal_as_route
;
383 char new_buf
[PATH_ADDPATH_STR_BUFFER
];
384 char exist_buf
[PATH_ADDPATH_STR_BUFFER
];
392 zlog_debug("%s: new is NULL", pfx_buf
);
397 bgp_info_path_with_addpath_rx_str (new, new_buf
);
402 zlog_debug("%s: %s is the initial bestpath", pfx_buf
, new_buf
);
408 bgp_info_path_with_addpath_rx_str (exist
, exist_buf
);
409 zlog_debug("%s: Comparing %s flags 0x%x with %s flags 0x%x",
410 pfx_buf
, new_buf
, new->flags
, exist_buf
, exist
->flags
);
414 existattr
= exist
->attr
;
415 newattre
= newattr
->extra
;
416 existattre
= existattr
->extra
;
418 /* 1. Weight check. */
419 new_weight
= exist_weight
= 0;
422 new_weight
= newattre
->weight
;
424 exist_weight
= existattre
->weight
;
426 if (new_weight
> exist_weight
)
429 zlog_debug("%s: %s wins over %s due to weight %d > %d",
430 pfx_buf
, new_buf
, exist_buf
, new_weight
, exist_weight
);
434 if (new_weight
< exist_weight
)
437 zlog_debug("%s: %s loses to %s due to weight %d < %d",
438 pfx_buf
, new_buf
, exist_buf
, new_weight
, exist_weight
);
442 /* 2. Local preference check. */
443 new_pref
= exist_pref
= bgp
->default_local_pref
;
445 if (newattr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF
))
446 new_pref
= newattr
->local_pref
;
447 if (existattr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF
))
448 exist_pref
= existattr
->local_pref
;
450 if (new_pref
> exist_pref
)
453 zlog_debug("%s: %s wins over %s due to localpref %d > %d",
454 pfx_buf
, new_buf
, exist_buf
, new_pref
, exist_pref
);
458 if (new_pref
< exist_pref
)
461 zlog_debug("%s: %s loses to %s due to localpref %d < %d",
462 pfx_buf
, new_buf
, exist_buf
, new_pref
, exist_pref
);
466 /* 3. Local route check. We prefer:
468 * - BGP_ROUTE_AGGREGATE
469 * - BGP_ROUTE_REDISTRIBUTE
471 if (! (new->sub_type
== BGP_ROUTE_NORMAL
))
474 zlog_debug("%s: %s wins over %s due to preferred BGP_ROUTE type",
475 pfx_buf
, new_buf
, exist_buf
);
479 if (! (exist
->sub_type
== BGP_ROUTE_NORMAL
))
482 zlog_debug("%s: %s loses to %s due to preferred BGP_ROUTE type",
483 pfx_buf
, new_buf
, exist_buf
);
487 /* 4. AS path length check. */
488 if (! bgp_flag_check (bgp
, BGP_FLAG_ASPATH_IGNORE
))
490 int exist_hops
= aspath_count_hops (existattr
->aspath
);
491 int exist_confeds
= aspath_count_confeds (existattr
->aspath
);
493 if (bgp_flag_check (bgp
, BGP_FLAG_ASPATH_CONFED
))
497 aspath_hops
= aspath_count_hops (newattr
->aspath
);
498 aspath_hops
+= aspath_count_confeds (newattr
->aspath
);
500 if ( aspath_hops
< (exist_hops
+ exist_confeds
))
503 zlog_debug("%s: %s wins over %s due to aspath (with confeds) hopcount %d < %d",
504 pfx_buf
, new_buf
, exist_buf
,
505 aspath_hops
, (exist_hops
+ exist_confeds
));
509 if ( aspath_hops
> (exist_hops
+ exist_confeds
))
512 zlog_debug("%s: %s loses to %s due to aspath (with confeds) hopcount %d > %d",
513 pfx_buf
, new_buf
, exist_buf
,
514 aspath_hops
, (exist_hops
+ exist_confeds
));
520 int newhops
= aspath_count_hops (newattr
->aspath
);
522 if (newhops
< exist_hops
)
525 zlog_debug("%s: %s wins over %s due to aspath hopcount %d < %d",
526 pfx_buf
, new_buf
, exist_buf
, newhops
, exist_hops
);
530 if (newhops
> exist_hops
)
533 zlog_debug("%s: %s loses to %s due to aspath hopcount %d > %d",
534 pfx_buf
, new_buf
, exist_buf
, newhops
, exist_hops
);
540 /* 5. Origin check. */
541 if (newattr
->origin
< existattr
->origin
)
544 zlog_debug("%s: %s wins over %s due to ORIGIN %s < %s",
545 pfx_buf
, new_buf
, exist_buf
,
546 bgp_origin_long_str
[newattr
->origin
],
547 bgp_origin_long_str
[existattr
->origin
]);
551 if (newattr
->origin
> existattr
->origin
)
554 zlog_debug("%s: %s loses to %s due to ORIGIN %s > %s",
555 pfx_buf
, new_buf
, exist_buf
,
556 bgp_origin_long_str
[newattr
->origin
],
557 bgp_origin_long_str
[existattr
->origin
]);
562 internal_as_route
= (aspath_count_hops (newattr
->aspath
) == 0
563 && aspath_count_hops (existattr
->aspath
) == 0);
564 confed_as_route
= (aspath_count_confeds (newattr
->aspath
) > 0
565 && aspath_count_confeds (existattr
->aspath
) > 0
566 && aspath_count_hops (newattr
->aspath
) == 0
567 && aspath_count_hops (existattr
->aspath
) == 0);
569 if (bgp_flag_check (bgp
, BGP_FLAG_ALWAYS_COMPARE_MED
)
570 || (bgp_flag_check (bgp
, BGP_FLAG_MED_CONFED
)
572 || aspath_cmp_left (newattr
->aspath
, existattr
->aspath
)
573 || aspath_cmp_left_confed (newattr
->aspath
, existattr
->aspath
)
574 || internal_as_route
)
576 new_med
= bgp_med_value (new->attr
, bgp
);
577 exist_med
= bgp_med_value (exist
->attr
, bgp
);
579 if (new_med
< exist_med
)
582 zlog_debug("%s: %s wins over %s due to MED %d < %d",
583 pfx_buf
, new_buf
, exist_buf
, new_med
, exist_med
);
587 if (new_med
> exist_med
)
590 zlog_debug("%s: %s loses to %s due to MED %d > %d",
591 pfx_buf
, new_buf
, exist_buf
, new_med
, exist_med
);
596 /* 7. Peer type check. */
597 new_sort
= new->peer
->sort
;
598 exist_sort
= exist
->peer
->sort
;
600 if (new_sort
== BGP_PEER_EBGP
601 && (exist_sort
== BGP_PEER_IBGP
|| exist_sort
== BGP_PEER_CONFED
))
604 zlog_debug("%s: %s wins over %s due to eBGP peer > iBGP peer",
605 pfx_buf
, new_buf
, exist_buf
);
609 if (exist_sort
== BGP_PEER_EBGP
610 && (new_sort
== BGP_PEER_IBGP
|| new_sort
== BGP_PEER_CONFED
))
613 zlog_debug("%s: %s loses to %s due to iBGP peer < eBGP peer",
614 pfx_buf
, new_buf
, exist_buf
);
618 /* 8. IGP metric check. */
622 newm
= new->extra
->igpmetric
;
624 existm
= exist
->extra
->igpmetric
;
629 zlog_debug("%s: %s wins over %s due to IGP metric %d < %d",
630 pfx_buf
, new_buf
, exist_buf
, newm
, existm
);
637 zlog_debug("%s: %s loses to %s due to IGP metric %d > %d",
638 pfx_buf
, new_buf
, exist_buf
, newm
, existm
);
642 /* 9. Same IGP metric. Compare the cluster list length as
643 representative of IGP hops metric. Rewrite the metric value
644 pair (newm, existm) with the cluster list length. Prefer the
645 path with smaller cluster list length. */
648 if (peer_sort (new->peer
) == BGP_PEER_IBGP
649 && peer_sort (exist
->peer
) == BGP_PEER_IBGP
650 && (mpath_cfg
== NULL
||
651 CHECK_FLAG (mpath_cfg
->ibgp_flags
,
652 BGP_FLAG_IBGP_MULTIPATH_SAME_CLUSTERLEN
)))
654 newm
= BGP_CLUSTER_LIST_LENGTH(new->attr
);
655 existm
= BGP_CLUSTER_LIST_LENGTH(exist
->attr
);
660 zlog_debug("%s: %s wins over %s due to CLUSTER_LIST length %d < %d",
661 pfx_buf
, new_buf
, exist_buf
, newm
, existm
);
668 zlog_debug("%s: %s loses to %s due to CLUSTER_LIST length %d > %d",
669 pfx_buf
, new_buf
, exist_buf
, newm
, existm
);
675 /* 10. confed-external vs. confed-internal */
676 if (CHECK_FLAG(bgp
->config
, BGP_CONFIG_CONFEDERATION
))
678 if (new_sort
== BGP_PEER_CONFED
&& exist_sort
== BGP_PEER_IBGP
)
681 zlog_debug("%s: %s wins over %s due to confed-external peer > confed-internal peer",
682 pfx_buf
, new_buf
, exist_buf
);
686 if (exist_sort
== BGP_PEER_CONFED
&& new_sort
== BGP_PEER_IBGP
)
689 zlog_debug("%s: %s loses to %s due to confed-internal peer < confed-external peer",
690 pfx_buf
, new_buf
, exist_buf
);
695 /* 11. Maximum path check. */
698 if (bgp_flag_check(bgp
, BGP_FLAG_ASPATH_MULTIPATH_RELAX
))
702 * For the two paths, all comparison steps till IGP metric
703 * have succeeded - including AS_PATH hop count. Since 'bgp
704 * bestpath as-path multipath-relax' knob is on, we don't need
705 * an exact match of AS_PATH. Thus, mark the paths are equal.
706 * That will trigger both these paths to get into the multipath
712 zlog_debug("%s: %s and %s are equal via multipath-relax",
713 pfx_buf
, new_buf
, exist_buf
);
715 else if (new->peer
->sort
== BGP_PEER_IBGP
)
717 if (aspath_cmp (new->attr
->aspath
, exist
->attr
->aspath
))
722 zlog_debug("%s: %s and %s are equal via matching aspaths",
723 pfx_buf
, new_buf
, exist_buf
);
726 else if (new->peer
->as
== exist
->peer
->as
)
731 zlog_debug("%s: %s and %s are equal via same remote-as",
732 pfx_buf
, new_buf
, exist_buf
);
738 * TODO: If unequal cost ibgp multipath is enabled we can
739 * mark the paths as equal here instead of returning
744 zlog_debug("%s: %s wins over %s after IGP metric comparison",
745 pfx_buf
, new_buf
, exist_buf
);
747 zlog_debug("%s: %s loses to %s after IGP metric comparison",
748 pfx_buf
, new_buf
, exist_buf
);
753 /* 12. If both paths are external, prefer the path that was received
754 first (the oldest one). This step minimizes route-flap, since a
755 newer path won't displace an older one, even if it was the
756 preferred route based on the additional decision criteria below. */
757 if (! bgp_flag_check (bgp
, BGP_FLAG_COMPARE_ROUTER_ID
)
758 && new_sort
== BGP_PEER_EBGP
759 && exist_sort
== BGP_PEER_EBGP
)
761 if (CHECK_FLAG (new->flags
, BGP_INFO_SELECTED
))
764 zlog_debug("%s: %s wins over %s due to oldest external",
765 pfx_buf
, new_buf
, exist_buf
);
769 if (CHECK_FLAG (exist
->flags
, BGP_INFO_SELECTED
))
772 zlog_debug("%s: %s loses to %s due to oldest external",
773 pfx_buf
, new_buf
, exist_buf
);
778 /* 13. Router-ID comparision. */
779 /* If one of the paths is "stale", the corresponding peer router-id will
780 * be 0 and would always win over the other path. If originator id is
781 * used for the comparision, it will decide which path is better.
783 if (newattr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID
))
784 new_id
.s_addr
= newattre
->originator_id
.s_addr
;
786 new_id
.s_addr
= new->peer
->remote_id
.s_addr
;
787 if (existattr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID
))
788 exist_id
.s_addr
= existattre
->originator_id
.s_addr
;
790 exist_id
.s_addr
= exist
->peer
->remote_id
.s_addr
;
792 if (ntohl (new_id
.s_addr
) < ntohl (exist_id
.s_addr
))
795 zlog_debug("%s: %s wins over %s due to Router-ID comparison",
796 pfx_buf
, new_buf
, exist_buf
);
800 if (ntohl (new_id
.s_addr
) > ntohl (exist_id
.s_addr
))
803 zlog_debug("%s: %s loses to %s due to Router-ID comparison",
804 pfx_buf
, new_buf
, exist_buf
);
808 /* 14. Cluster length comparision. */
809 new_cluster
= BGP_CLUSTER_LIST_LENGTH(new->attr
);
810 exist_cluster
= BGP_CLUSTER_LIST_LENGTH(exist
->attr
);
812 if (new_cluster
< exist_cluster
)
815 zlog_debug("%s: %s wins over %s due to CLUSTER_LIST length %d < %d",
816 pfx_buf
, new_buf
, exist_buf
, new_cluster
, exist_cluster
);
820 if (new_cluster
> exist_cluster
)
823 zlog_debug("%s: %s loses to %s due to CLUSTER_LIST length %d > %d",
824 pfx_buf
, new_buf
, exist_buf
, new_cluster
, exist_cluster
);
828 /* 15. Neighbor address comparision. */
829 /* Do this only if neither path is "stale" as stale paths do not have
830 * valid peer information (as the connection may or may not be up).
832 if (CHECK_FLAG (exist
->flags
, BGP_INFO_STALE
))
835 zlog_debug("%s: %s wins over %s due to latter path being STALE",
836 pfx_buf
, new_buf
, exist_buf
);
840 if (CHECK_FLAG (new->flags
, BGP_INFO_STALE
))
843 zlog_debug("%s: %s loses to %s due to former path being STALE",
844 pfx_buf
, new_buf
, exist_buf
);
848 /* locally configured routes to advertise do not have su_remote */
849 if (new->peer
->su_remote
== NULL
)
851 if (exist
->peer
->su_remote
== NULL
)
854 ret
= sockunion_cmp (new->peer
->su_remote
, exist
->peer
->su_remote
);
859 zlog_debug("%s: %s loses to %s due to Neighor IP comparison",
860 pfx_buf
, new_buf
, exist_buf
);
867 zlog_debug("%s: %s wins over %s due to Neighor IP comparison",
868 pfx_buf
, new_buf
, exist_buf
);
873 zlog_debug("%s: %s wins over %s due to nothing left to compare",
874 pfx_buf
, new_buf
, exist_buf
);
879 /* Compare two bgp route entity. Return -1 if new is preferred, 1 if exist
880 * is preferred, or 0 if they are the same (usually will only occur if
881 * multipath is enabled
882 * This version is compatible with */
884 bgp_info_cmp_compatible (struct bgp
*bgp
, struct bgp_info
*new, struct bgp_info
*exist
,
885 afi_t afi
, safi_t safi
)
889 ret
= bgp_info_cmp (bgp
, new, exist
, &paths_eq
, NULL
, 0, __func__
);
903 static enum filter_type
904 bgp_input_filter (struct peer
*peer
, struct prefix
*p
, struct attr
*attr
,
905 afi_t afi
, safi_t safi
)
907 struct bgp_filter
*filter
;
909 filter
= &peer
->filter
[afi
][safi
];
911 #define FILTER_EXIST_WARN(F,f,filter) \
912 if (BGP_DEBUG (update, UPDATE_IN) \
913 && !(F ## _IN (filter))) \
914 zlog_warn ("%s: Could not find configured input %s-list %s!", \
915 peer->host, #f, F ## _IN_NAME(filter));
917 if (DISTRIBUTE_IN_NAME (filter
)) {
918 FILTER_EXIST_WARN(DISTRIBUTE
, distribute
, filter
);
920 if (access_list_apply (DISTRIBUTE_IN (filter
), p
) == FILTER_DENY
)
924 if (PREFIX_LIST_IN_NAME (filter
)) {
925 FILTER_EXIST_WARN(PREFIX_LIST
, prefix
, filter
);
927 if (prefix_list_apply (PREFIX_LIST_IN (filter
), p
) == PREFIX_DENY
)
931 if (FILTER_LIST_IN_NAME (filter
)) {
932 FILTER_EXIST_WARN(FILTER_LIST
, as
, filter
);
934 if (as_list_apply (FILTER_LIST_IN (filter
), attr
->aspath
)== AS_FILTER_DENY
)
938 return FILTER_PERMIT
;
939 #undef FILTER_EXIST_WARN
942 static enum filter_type
943 bgp_output_filter (struct peer
*peer
, struct prefix
*p
, struct attr
*attr
,
944 afi_t afi
, safi_t safi
)
946 struct bgp_filter
*filter
;
948 filter
= &peer
->filter
[afi
][safi
];
950 #define FILTER_EXIST_WARN(F,f,filter) \
951 if (BGP_DEBUG (update, UPDATE_OUT) \
952 && !(F ## _OUT (filter))) \
953 zlog_warn ("%s: Could not find configured output %s-list %s!", \
954 peer->host, #f, F ## _OUT_NAME(filter));
956 if (DISTRIBUTE_OUT_NAME (filter
)) {
957 FILTER_EXIST_WARN(DISTRIBUTE
, distribute
, filter
);
959 if (access_list_apply (DISTRIBUTE_OUT (filter
), p
) == FILTER_DENY
)
963 if (PREFIX_LIST_OUT_NAME (filter
)) {
964 FILTER_EXIST_WARN(PREFIX_LIST
, prefix
, filter
);
966 if (prefix_list_apply (PREFIX_LIST_OUT (filter
), p
) == PREFIX_DENY
)
970 if (FILTER_LIST_OUT_NAME (filter
)) {
971 FILTER_EXIST_WARN(FILTER_LIST
, as
, filter
);
973 if (as_list_apply (FILTER_LIST_OUT (filter
), attr
->aspath
) == AS_FILTER_DENY
)
977 return FILTER_PERMIT
;
978 #undef FILTER_EXIST_WARN
981 /* If community attribute includes no_export then return 1. */
983 bgp_community_filter (struct peer
*peer
, struct attr
*attr
)
987 /* NO_ADVERTISE check. */
988 if (community_include (attr
->community
, COMMUNITY_NO_ADVERTISE
))
991 /* NO_EXPORT check. */
992 if (peer
->sort
== BGP_PEER_EBGP
&&
993 community_include (attr
->community
, COMMUNITY_NO_EXPORT
))
996 /* NO_EXPORT_SUBCONFED check. */
997 if (peer
->sort
== BGP_PEER_EBGP
998 || peer
->sort
== BGP_PEER_CONFED
)
999 if (community_include (attr
->community
, COMMUNITY_NO_EXPORT_SUBCONFED
))
1005 /* Route reflection loop check. */
1007 bgp_cluster_filter (struct peer
*peer
, struct attr
*attr
)
1009 struct in_addr cluster_id
;
1011 if (attr
->extra
&& attr
->extra
->cluster
)
1013 if (peer
->bgp
->config
& BGP_CONFIG_CLUSTER_ID
)
1014 cluster_id
= peer
->bgp
->cluster_id
;
1016 cluster_id
= peer
->bgp
->router_id
;
1018 if (cluster_loop_check (attr
->extra
->cluster
, cluster_id
))
1025 bgp_input_modifier (struct peer
*peer
, struct prefix
*p
, struct attr
*attr
,
1026 afi_t afi
, safi_t safi
, const char *rmap_name
)
1028 struct bgp_filter
*filter
;
1029 struct bgp_info info
;
1030 route_map_result_t ret
;
1031 struct route_map
*rmap
= NULL
;
1033 filter
= &peer
->filter
[afi
][safi
];
1035 /* Apply default weight value. */
1036 if (peer
->weight
[afi
][safi
])
1037 (bgp_attr_extra_get (attr
))->weight
= peer
->weight
[afi
][safi
];
1041 rmap
= route_map_lookup_by_name(rmap_name
);
1048 if (ROUTE_MAP_IN_NAME(filter
))
1050 rmap
= ROUTE_MAP_IN (filter
);
1057 /* Route map apply. */
1060 /* Duplicate current value to new strucutre for modification. */
1064 SET_FLAG (peer
->rmap_type
, PEER_RMAP_TYPE_IN
);
1066 /* Apply BGP route map to the attribute. */
1067 ret
= route_map_apply (rmap
, p
, RMAP_BGP
, &info
);
1069 peer
->rmap_type
= 0;
1071 if (ret
== RMAP_DENYMATCH
)
1073 /* Free newly generated AS path and community by route-map. */
1074 bgp_attr_flush (attr
);
1082 bgp_output_modifier (struct peer
*peer
, struct prefix
*p
, struct attr
*attr
,
1083 afi_t afi
, safi_t safi
, const char *rmap_name
)
1085 struct bgp_filter
*filter
;
1086 struct bgp_info info
;
1087 route_map_result_t ret
;
1088 struct route_map
*rmap
= NULL
;
1090 filter
= &peer
->filter
[afi
][safi
];
1092 /* Apply default weight value. */
1093 if (peer
->weight
[afi
][safi
])
1094 (bgp_attr_extra_get (attr
))->weight
= peer
->weight
[afi
][safi
];
1098 rmap
= route_map_lookup_by_name(rmap_name
);
1105 if (ROUTE_MAP_OUT_NAME(filter
))
1107 rmap
= ROUTE_MAP_OUT (filter
);
1114 /* Route map apply. */
1117 /* Duplicate current value to new strucutre for modification. */
1121 SET_FLAG (peer
->rmap_type
, PEER_RMAP_TYPE_OUT
);
1123 /* Apply BGP route map to the attribute. */
1124 ret
= route_map_apply (rmap
, p
, RMAP_BGP
, &info
);
1126 peer
->rmap_type
= 0;
1128 if (ret
== RMAP_DENYMATCH
)
1129 /* caller has multiple error paths with bgp_attr_flush() */
1135 /* If this is an EBGP peer with remove-private-AS */
1137 bgp_peer_remove_private_as(struct bgp
*bgp
, afi_t afi
, safi_t safi
,
1138 struct peer
*peer
, struct attr
*attr
)
1140 if (peer
->sort
== BGP_PEER_EBGP
&&
1141 (peer_af_flag_check (peer
, afi
, safi
, PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE
) ||
1142 peer_af_flag_check (peer
, afi
, safi
, PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE
) ||
1143 peer_af_flag_check (peer
, afi
, safi
, PEER_FLAG_REMOVE_PRIVATE_AS_ALL
) ||
1144 peer_af_flag_check (peer
, afi
, safi
, PEER_FLAG_REMOVE_PRIVATE_AS
)))
1146 // Take action on the entire aspath
1147 if (peer_af_flag_check (peer
, afi
, safi
, PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE
) ||
1148 peer_af_flag_check (peer
, afi
, safi
, PEER_FLAG_REMOVE_PRIVATE_AS_ALL
))
1150 if (peer_af_flag_check (peer
, afi
, safi
, PEER_FLAG_REMOVE_PRIVATE_AS_ALL_REPLACE
))
1151 attr
->aspath
= aspath_replace_private_asns (attr
->aspath
, bgp
->as
);
1153 // The entire aspath consists of private ASNs so create an empty aspath
1154 else if (aspath_private_as_check (attr
->aspath
))
1155 attr
->aspath
= aspath_empty_get ();
1157 // There are some public and some private ASNs, remove the private ASNs
1159 attr
->aspath
= aspath_remove_private_asns (attr
->aspath
);
1162 // 'all' was not specified so the entire aspath must be private ASNs
1163 // for us to do anything
1164 else if (aspath_private_as_check (attr
->aspath
))
1166 if (peer_af_flag_check (peer
, afi
, safi
, PEER_FLAG_REMOVE_PRIVATE_AS_REPLACE
))
1167 attr
->aspath
= aspath_replace_private_asns (attr
->aspath
, bgp
->as
);
1169 attr
->aspath
= aspath_empty_get ();
1174 /* If this is an EBGP peer with as-override */
1176 bgp_peer_as_override(struct bgp
*bgp
, afi_t afi
, safi_t safi
,
1177 struct peer
*peer
, struct attr
*attr
)
1179 if (peer
->sort
== BGP_PEER_EBGP
&&
1180 peer_af_flag_check (peer
, afi
, safi
, PEER_FLAG_AS_OVERRIDE
))
1182 if (aspath_single_asn_check (attr
->aspath
, peer
->as
))
1183 attr
->aspath
= aspath_replace_specific_asn (attr
->aspath
, peer
->as
, bgp
->as
);
1188 subgroup_announce_reset_nhop (u_char family
, struct attr
*attr
)
1190 if (family
== AF_INET
)
1191 attr
->nexthop
.s_addr
= 0;
1192 if (family
== AF_INET6
)
1193 memset (&attr
->extra
->mp_nexthop_global
, 0, IPV6_MAX_BYTELEN
);
1197 subgroup_announce_check (struct bgp_node
*rn
, struct bgp_info
*ri
,
1198 struct update_subgroup
*subgrp
,
1199 struct prefix
*p
, struct attr
*attr
)
1201 struct bgp_filter
*filter
;
1204 struct peer
*onlypeer
;
1206 struct attr
*riattr
;
1207 struct peer_af
*paf
;
1208 char buf
[PREFIX_STRLEN
];
1214 int samepeer_safe
= 0; /* for synthetic mplsvpns routes */
1216 if (DISABLE_BGP_ANNOUNCE
)
1219 afi
= SUBGRP_AFI(subgrp
);
1220 safi
= SUBGRP_SAFI(subgrp
);
1221 peer
= SUBGRP_PEER(subgrp
);
1223 if (CHECK_FLAG (peer
->flags
, PEER_FLAG_LONESOUL
))
1224 onlypeer
= SUBGRP_PFIRST(subgrp
)->peer
;
1227 filter
= &peer
->filter
[afi
][safi
];
1228 bgp
= SUBGRP_INST(subgrp
);
1229 riattr
= bgp_info_mpath_count (ri
) ? bgp_info_mpath_attr (ri
) : ri
->attr
;
1232 if (((afi
== AFI_IP
) || (afi
== AFI_IP6
)) && (safi
== SAFI_MPLS_VPN
) &&
1233 ((ri
->type
== ZEBRA_ROUTE_BGP_DIRECT
) ||
1234 (ri
->type
== ZEBRA_ROUTE_BGP_DIRECT_EXT
))) {
1237 * direct and direct_ext type routes originate internally even
1238 * though they can have peer pointers that reference other systems
1240 prefix2str(p
, buf
, PREFIX_STRLEN
);
1241 zlog_debug("%s: pfx %s bgp_direct->vpn route peer safe", __func__
, buf
);
1246 /* With addpath we may be asked to TX all kinds of paths so make sure
1248 if (!CHECK_FLAG (ri
->flags
, BGP_INFO_VALID
) ||
1249 CHECK_FLAG (ri
->flags
, BGP_INFO_HISTORY
) ||
1250 CHECK_FLAG (ri
->flags
, BGP_INFO_REMOVED
))
1255 /* If this is not the bestpath then check to see if there is an enabled addpath
1256 * feature that requires us to advertise it */
1257 if (! CHECK_FLAG (ri
->flags
, BGP_INFO_SELECTED
))
1259 if (! bgp_addpath_tx_path(peer
, afi
, safi
, ri
))
1265 /* Aggregate-address suppress check. */
1266 if (ri
->extra
&& ri
->extra
->suppress
)
1267 if (! UNSUPPRESS_MAP_NAME (filter
))
1272 /* If it's labeled safi, make sure the route has a valid label. */
1273 if (safi
== SAFI_LABELED_UNICAST
)
1275 u_char
*tag
= bgp_adv_label(rn
, ri
, peer
, afi
, safi
);
1276 if (!bgp_is_valid_label(tag
))
1278 if (bgp_debug_update(NULL
, p
, subgrp
->update_group
, 0))
1279 zlog_debug ("u%" PRIu64
":s%" PRIu64
" %s/%d is filtered - no label (%p)",
1280 subgrp
->update_group
->id
, subgrp
->id
,
1281 inet_ntop(p
->family
, &p
->u
.prefix
, buf
, SU_ADDRSTRLEN
),
1287 /* Do not send back route to sender. */
1288 if (onlypeer
&& from
== onlypeer
)
1293 /* Do not send the default route in the BGP table if the neighbor is
1294 * configured for default-originate */
1295 if (CHECK_FLAG (peer
->af_flags
[afi
][safi
], PEER_FLAG_DEFAULT_ORIGINATE
))
1297 if (p
->family
== AF_INET
&& p
->u
.prefix4
.s_addr
== INADDR_ANY
)
1299 else if (p
->family
== AF_INET6
&& p
->prefixlen
== 0)
1303 /* Transparency check. */
1304 if (CHECK_FLAG (peer
->af_flags
[afi
][safi
], PEER_FLAG_RSERVER_CLIENT
)
1305 && CHECK_FLAG (from
->af_flags
[afi
][safi
], PEER_FLAG_RSERVER_CLIENT
))
1310 /* If community is not disabled check the no-export and local. */
1311 if (! transparent
&& bgp_community_filter (peer
, riattr
))
1313 if (bgp_debug_update(NULL
, p
, subgrp
->update_group
, 0))
1314 zlog_debug ("subgrpannouncecheck: community filter check fail");
1318 /* If the attribute has originator-id and it is same as remote
1321 riattr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_ORIGINATOR_ID
) &&
1322 (IPV4_ADDR_SAME (&onlypeer
->remote_id
, &riattr
->extra
->originator_id
)))
1324 if (bgp_debug_update(NULL
, p
, subgrp
->update_group
, 0))
1325 zlog_debug ("%s [Update:SEND] %s originator-id is same as "
1327 onlypeer
->host
, prefix2str (p
, buf
, sizeof (buf
)));
1331 /* ORF prefix-list filter check */
1332 if (CHECK_FLAG (peer
->af_cap
[afi
][safi
], PEER_CAP_ORF_PREFIX_RM_ADV
)
1333 && (CHECK_FLAG (peer
->af_cap
[afi
][safi
], PEER_CAP_ORF_PREFIX_SM_RCV
)
1334 || CHECK_FLAG (peer
->af_cap
[afi
][safi
],
1335 PEER_CAP_ORF_PREFIX_SM_OLD_RCV
)))
1336 if (peer
->orf_plist
[afi
][safi
])
1338 if (prefix_list_apply (peer
->orf_plist
[afi
][safi
], p
) == PREFIX_DENY
)
1340 if (bgp_debug_update(NULL
, p
, subgrp
->update_group
, 0))
1341 zlog_debug ("%s [Update:SEND] %s is filtered via ORF",
1342 peer
->host
, prefix2str (p
, buf
, sizeof (buf
)));
1347 /* Output filter check. */
1348 if (bgp_output_filter (peer
, p
, riattr
, afi
, safi
) == FILTER_DENY
)
1350 if (bgp_debug_update(NULL
, p
, subgrp
->update_group
, 0))
1351 zlog_debug ("%s [Update:SEND] %s is filtered",
1352 peer
->host
, prefix2str (p
, buf
, sizeof (buf
)));
1356 #ifdef BGP_SEND_ASPATH_CHECK
1357 /* AS path loop check. */
1358 if (onlypeer
&& aspath_loop_check (riattr
->aspath
, onlypeer
->as
))
1360 if (bgp_debug_update(NULL
, p
, subgrp
->update_group
, 0))
1361 zlog_debug ("%s [Update:SEND] suppress announcement to peer AS %u "
1362 "that is part of AS path.",
1363 onlypeer
->host
, onlypeer
->as
);
1366 #endif /* BGP_SEND_ASPATH_CHECK */
1368 /* If we're a CONFED we need to loop check the CONFED ID too */
1369 if (CHECK_FLAG(bgp
->config
, BGP_CONFIG_CONFEDERATION
))
1371 if (aspath_loop_check(riattr
->aspath
, bgp
->confed_id
))
1373 if (bgp_debug_update(NULL
, p
, subgrp
->update_group
, 0))
1374 zlog_debug ("%s [Update:SEND] suppress announcement to peer AS %u"
1382 /* Route-Reflect check. */
1383 if (from
->sort
== BGP_PEER_IBGP
&& peer
->sort
== BGP_PEER_IBGP
)
1388 /* IBGP reflection check. */
1389 if (reflect
&& !samepeer_safe
)
1391 /* A route from a Client peer. */
1392 if (CHECK_FLAG (from
->af_flags
[afi
][safi
], PEER_FLAG_REFLECTOR_CLIENT
))
1394 /* Reflect to all the Non-Client peers and also to the
1395 Client peers other than the originator. Originator check
1396 is already done. So there is noting to do. */
1397 /* no bgp client-to-client reflection check. */
1398 if (bgp_flag_check (bgp
, BGP_FLAG_NO_CLIENT_TO_CLIENT
))
1399 if (CHECK_FLAG (peer
->af_flags
[afi
][safi
],
1400 PEER_FLAG_REFLECTOR_CLIENT
))
1405 /* A route from a Non-client peer. Reflect to all other
1407 if (! CHECK_FLAG (peer
->af_flags
[afi
][safi
],
1408 PEER_FLAG_REFLECTOR_CLIENT
))
1413 /* For modify attribute, copy it to temporary structure. */
1414 bgp_attr_dup (attr
, riattr
);
1416 /* If local-preference is not set. */
1417 if ((peer
->sort
== BGP_PEER_IBGP
1418 || peer
->sort
== BGP_PEER_CONFED
)
1419 && (! (attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF
))))
1421 attr
->flag
|= ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF
);
1422 attr
->local_pref
= bgp
->default_local_pref
;
1425 /* If originator-id is not set and the route is to be reflected,
1426 set the originator id */
1427 if (reflect
&& (!(attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID
))))
1429 attr
->extra
= bgp_attr_extra_get(attr
);
1430 IPV4_ADDR_COPY(&(attr
->extra
->originator_id
), &(from
->remote_id
));
1431 SET_FLAG(attr
->flag
, BGP_ATTR_ORIGINATOR_ID
);
1434 /* Remove MED if its an EBGP peer - will get overwritten by route-maps */
1435 if (peer
->sort
== BGP_PEER_EBGP
1436 && attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC
))
1438 if (from
!= bgp
->peer_self
&& ! transparent
1439 && ! CHECK_FLAG (peer
->af_flags
[afi
][safi
], PEER_FLAG_MED_UNCHANGED
))
1440 attr
->flag
&= ~(ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC
));
1443 /* Since the nexthop attribute can vary per peer, it is not explicitly set
1444 * in announce check, only certain flags and length (or number of nexthops
1445 * -- for IPv6/MP_REACH) are set here in order to guide the update formation
1446 * code in setting the nexthop(s) on a per peer basis in reformat_peer().
1447 * Typically, the source nexthop in the attribute is preserved but in the
1448 * scenarios where we know it will always be overwritten, we reset the
1449 * nexthop to "0" in an attempt to achieve better Update packing. An
1450 * example of this is when a prefix from each of 2 IBGP peers needs to be
1451 * announced to an EBGP peer (and they have the same attributes barring
1455 SET_FLAG(attr
->rmap_change_flags
, BATTR_REFLECTED
);
1457 #define NEXTHOP_IS_V6 (\
1458 (safi != SAFI_ENCAP && safi != SAFI_MPLS_VPN &&\
1459 (p->family == AF_INET6 || peer_cap_enhe(peer, AFI_IP6, safi))) || \
1460 ((safi == SAFI_ENCAP || safi == SAFI_MPLS_VPN) &&\
1461 attr->extra->mp_nexthop_len >= IPV6_MAX_BYTELEN))
1463 /* IPv6/MP starts with 1 nexthop. The link-local address is passed only if
1464 * the peer (group) is configured to receive link-local nexthop unchanged
1465 * and it is available in the prefix OR we're not reflecting the route and
1466 * the peer (group) to whom we're going to announce is on a shared network
1467 * and this is either a self-originated route or the peer is EBGP.
1471 attr
->extra
->mp_nexthop_len
= BGP_ATTR_NHLEN_IPV6_GLOBAL
;
1472 if ((CHECK_FLAG (peer
->af_flags
[afi
][safi
],
1473 PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED
) &&
1474 IN6_IS_ADDR_LINKLOCAL (&attr
->extra
->mp_nexthop_local
)) ||
1475 (!reflect
&& peer
->shared_network
&&
1476 (from
== bgp
->peer_self
|| peer
->sort
== BGP_PEER_EBGP
)))
1478 attr
->extra
->mp_nexthop_len
= BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL
;
1481 /* Clear off link-local nexthop in source, whenever it is not needed to
1482 * ensure more prefixes share the same attribute for announcement.
1484 if (!(CHECK_FLAG (peer
->af_flags
[afi
][safi
],
1485 PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED
)))
1486 memset (&attr
->extra
->mp_nexthop_local
, 0, IPV6_MAX_BYTELEN
);
1489 bgp_peer_remove_private_as(bgp
, afi
, safi
, peer
, attr
);
1490 bgp_peer_as_override(bgp
, afi
, safi
, peer
, attr
);
1492 /* Route map & unsuppress-map apply. */
1493 if (ROUTE_MAP_OUT_NAME (filter
)
1494 || (ri
->extra
&& ri
->extra
->suppress
) )
1496 struct bgp_info info
;
1497 struct attr dummy_attr
;
1498 struct attr_extra dummy_extra
;
1500 dummy_attr
.extra
= &dummy_extra
;
1504 /* don't confuse inbound and outbound setting */
1505 RESET_FLAG(attr
->rmap_change_flags
);
1508 * The route reflector is not allowed to modify the attributes
1509 * of the reflected IBGP routes unless explicitly allowed.
1511 if ((from
->sort
== BGP_PEER_IBGP
&& peer
->sort
== BGP_PEER_IBGP
)
1512 && !bgp_flag_check(bgp
, BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY
))
1514 bgp_attr_dup (&dummy_attr
, attr
);
1515 info
.attr
= &dummy_attr
;
1518 SET_FLAG (peer
->rmap_type
, PEER_RMAP_TYPE_OUT
);
1520 if (ri
->extra
&& ri
->extra
->suppress
)
1521 ret
= route_map_apply (UNSUPPRESS_MAP (filter
), p
, RMAP_BGP
, &info
);
1523 ret
= route_map_apply (ROUTE_MAP_OUT (filter
), p
, RMAP_BGP
, &info
);
1525 peer
->rmap_type
= 0;
1527 if (ret
== RMAP_DENYMATCH
)
1529 bgp_attr_flush (attr
);
1534 /* After route-map has been applied, we check to see if the nexthop to
1535 * be carried in the attribute (that is used for the announcement) can
1536 * be cleared off or not. We do this in all cases where we would be
1537 * setting the nexthop to "ourselves". For IPv6, we only need to consider
1538 * the global nexthop here; the link-local nexthop would have been cleared
1539 * already, and if not, it is required by the update formation code.
1540 * Also see earlier comments in this function.
1543 * If route-map has performed some operation on the nexthop or the peer
1544 * configuration says to pass it unchanged, we cannot reset the nexthop
1545 * here, so only attempt to do it if these aren't true. Note that the
1546 * route-map handler itself might have cleared the nexthop, if for example,
1547 * it is configured as 'peer-address'.
1549 if (!bgp_rmap_nhop_changed(attr
->rmap_change_flags
,
1550 riattr
->rmap_change_flags
) &&
1552 !CHECK_FLAG (peer
->af_flags
[afi
][safi
], PEER_FLAG_NEXTHOP_UNCHANGED
))
1554 /* We can reset the nexthop, if setting (or forcing) it to 'self' */
1555 if (CHECK_FLAG (peer
->af_flags
[afi
][safi
], PEER_FLAG_NEXTHOP_SELF
) ||
1556 CHECK_FLAG (peer
->af_flags
[afi
][safi
], PEER_FLAG_FORCE_NEXTHOP_SELF
))
1559 CHECK_FLAG (peer
->af_flags
[afi
][safi
],
1560 PEER_FLAG_FORCE_NEXTHOP_SELF
))
1561 subgroup_announce_reset_nhop ((peer_cap_enhe(peer
, afi
, safi
) ?
1562 AF_INET6
: p
->family
), attr
);
1564 else if (peer
->sort
== BGP_PEER_EBGP
)
1566 /* Can also reset the nexthop if announcing to EBGP, but only if
1567 * no peer in the subgroup is on a shared subnet.
1568 * Note: 3rd party nexthop currently implemented for IPv4 only.
1570 SUBGRP_FOREACH_PEER (subgrp
, paf
)
1572 if (bgp_multiaccess_check_v4 (riattr
->nexthop
, paf
->peer
))
1576 subgroup_announce_reset_nhop ((peer_cap_enhe(peer
, afi
, safi
) ? AF_INET6
: p
->family
), attr
);
1578 /* If IPv6/MP and nexthop does not have any override and happens to
1579 * be a link-local address, reset it so that we don't pass along the
1580 * source's link-local IPv6 address to recipients who may not be on
1581 * the same interface.
1583 if (p
->family
== AF_INET6
|| peer_cap_enhe(peer
, afi
, safi
))
1585 if (IN6_IS_ADDR_LINKLOCAL (&attr
->extra
->mp_nexthop_global
))
1586 subgroup_announce_reset_nhop (AF_INET6
, attr
);
1593 struct bgp_info_pair
1595 struct bgp_info
*old
;
1596 struct bgp_info
*new;
1600 bgp_best_selection (struct bgp
*bgp
, struct bgp_node
*rn
,
1601 struct bgp_maxpaths_cfg
*mpath_cfg
,
1602 struct bgp_info_pair
*result
)
1604 struct bgp_info
*new_select
;
1605 struct bgp_info
*old_select
;
1606 struct bgp_info
*ri
;
1607 struct bgp_info
*ri1
;
1608 struct bgp_info
*ri2
;
1609 struct bgp_info
*nextri
= NULL
;
1610 int paths_eq
, do_mpath
, debug
;
1611 struct list mp_list
;
1612 char pfx_buf
[PREFIX2STR_BUFFER
];
1613 char path_buf
[PATH_ADDPATH_STR_BUFFER
];
1615 bgp_mp_list_init (&mp_list
);
1616 do_mpath
= (mpath_cfg
->maxpaths_ebgp
> 1 || mpath_cfg
->maxpaths_ibgp
> 1);
1618 debug
= bgp_debug_bestpath(&rn
->p
);
1621 prefix2str (&rn
->p
, pfx_buf
, sizeof (pfx_buf
));
1623 /* bgp deterministic-med */
1625 if (bgp_flag_check (bgp
, BGP_FLAG_DETERMINISTIC_MED
))
1628 /* Clear BGP_INFO_DMED_SELECTED for all paths */
1629 for (ri1
= rn
->info
; ri1
; ri1
= ri1
->next
)
1630 bgp_info_unset_flag (rn
, ri1
, BGP_INFO_DMED_SELECTED
);
1632 for (ri1
= rn
->info
; ri1
; ri1
= ri1
->next
)
1634 if (CHECK_FLAG (ri1
->flags
, BGP_INFO_DMED_CHECK
))
1636 if (BGP_INFO_HOLDDOWN (ri1
))
1638 if (ri1
->peer
&& ri1
->peer
!= bgp
->peer_self
)
1639 if (ri1
->peer
->status
!= Established
)
1645 for (ri2
= ri1
->next
; ri2
; ri2
= ri2
->next
)
1647 if (CHECK_FLAG (ri2
->flags
, BGP_INFO_DMED_CHECK
))
1649 if (BGP_INFO_HOLDDOWN (ri2
))
1652 ri2
->peer
!= bgp
->peer_self
&&
1653 !CHECK_FLAG (ri2
->peer
->sflags
, PEER_STATUS_NSF_WAIT
))
1654 if (ri2
->peer
->status
!= Established
)
1657 if (aspath_cmp_left (ri1
->attr
->aspath
, ri2
->attr
->aspath
)
1658 || aspath_cmp_left_confed (ri1
->attr
->aspath
,
1661 if (bgp_info_cmp (bgp
, ri2
, new_select
, &paths_eq
,
1662 mpath_cfg
, debug
, pfx_buf
))
1664 bgp_info_unset_flag (rn
, new_select
, BGP_INFO_DMED_SELECTED
);
1668 bgp_info_set_flag (rn
, ri2
, BGP_INFO_DMED_CHECK
);
1672 bgp_info_set_flag (rn
, new_select
, BGP_INFO_DMED_CHECK
);
1673 bgp_info_set_flag (rn
, new_select
, BGP_INFO_DMED_SELECTED
);
1677 bgp_info_path_with_addpath_rx_str (new_select
, path_buf
);
1678 zlog_debug("%s: %s is the bestpath from AS %d",
1679 pfx_buf
, path_buf
, aspath_get_first_as(new_select
->attr
->aspath
));
1684 /* Check old selected route and new selected route. */
1687 for (ri
= rn
->info
; (ri
!= NULL
) && (nextri
= ri
->next
, 1); ri
= nextri
)
1689 if (CHECK_FLAG (ri
->flags
, BGP_INFO_SELECTED
))
1692 if (BGP_INFO_HOLDDOWN (ri
))
1694 /* reap REMOVED routes, if needs be
1695 * selected route must stay for a while longer though
1697 if (CHECK_FLAG (ri
->flags
, BGP_INFO_REMOVED
)
1698 && (ri
!= old_select
))
1699 bgp_info_reap (rn
, ri
);
1705 ri
->peer
!= bgp
->peer_self
&&
1706 !CHECK_FLAG (ri
->peer
->sflags
, PEER_STATUS_NSF_WAIT
))
1707 if (ri
->peer
->status
!= Established
)
1710 if (bgp_flag_check (bgp
, BGP_FLAG_DETERMINISTIC_MED
)
1711 && (! CHECK_FLAG (ri
->flags
, BGP_INFO_DMED_SELECTED
)))
1713 bgp_info_unset_flag (rn
, ri
, BGP_INFO_DMED_CHECK
);
1717 bgp_info_unset_flag (rn
, ri
, BGP_INFO_DMED_CHECK
);
1719 if (bgp_info_cmp (bgp
, ri
, new_select
, &paths_eq
, mpath_cfg
, debug
, pfx_buf
))
1725 /* Now that we know which path is the bestpath see if any of the other paths
1726 * qualify as multipaths
1731 bgp_info_path_with_addpath_rx_str (new_select
, path_buf
);
1733 sprintf (path_buf
, "NONE");
1734 zlog_debug("%s: After path selection, newbest is %s oldbest was %s",
1736 old_select
? old_select
->peer
->host
: "NONE");
1739 if (do_mpath
&& new_select
)
1741 for (ri
= rn
->info
; (ri
!= NULL
) && (nextri
= ri
->next
, 1); ri
= nextri
)
1745 bgp_info_path_with_addpath_rx_str (ri
, path_buf
);
1747 if (ri
== new_select
)
1750 zlog_debug("%s: %s is the bestpath, add to the multipath list",
1752 bgp_mp_list_add (&mp_list
, ri
);
1756 if (BGP_INFO_HOLDDOWN (ri
))
1760 ri
->peer
!= bgp
->peer_self
&&
1761 !CHECK_FLAG (ri
->peer
->sflags
, PEER_STATUS_NSF_WAIT
))
1762 if (ri
->peer
->status
!= Established
)
1765 if (!bgp_info_nexthop_cmp (ri
, new_select
))
1768 zlog_debug("%s: %s has the same nexthop as the bestpath, skip it",
1773 bgp_info_cmp (bgp
, ri
, new_select
, &paths_eq
, mpath_cfg
, debug
, pfx_buf
);
1778 zlog_debug("%s: %s is equivalent to the bestpath, add to the multipath list",
1780 bgp_mp_list_add (&mp_list
, ri
);
1785 bgp_info_mpath_update (rn
, new_select
, old_select
, &mp_list
, mpath_cfg
);
1786 bgp_info_mpath_aggregate_update (new_select
, old_select
);
1787 bgp_mp_list_clear (&mp_list
);
1789 result
->old
= old_select
;
1790 result
->new = new_select
;
1796 * A new route/change in bestpath of an existing route. Evaluate the path
1797 * for advertisement to the subgroup.
1800 subgroup_process_announce_selected (struct update_subgroup
*subgrp
,
1801 struct bgp_info
*selected
,
1802 struct bgp_node
*rn
,
1803 u_int32_t addpath_tx_id
)
1806 struct peer
*onlypeer
;
1808 struct attr_extra extra
;
1813 afi
= SUBGRP_AFI(subgrp
);
1814 safi
= SUBGRP_SAFI(subgrp
);
1815 onlypeer
= ((SUBGRP_PCOUNT(subgrp
) == 1) ?
1816 (SUBGRP_PFIRST(subgrp
))->peer
: NULL
);
1818 /* First update is deferred until ORF or ROUTE-REFRESH is received */
1819 if (onlypeer
&& CHECK_FLAG (onlypeer
->af_sflags
[afi
][safi
],
1820 PEER_STATUS_ORF_WAIT_REFRESH
))
1823 memset(&extra
, 0, sizeof(struct attr_extra
));
1824 /* It's initialized in bgp_announce_check() */
1825 attr
.extra
= &extra
;
1827 /* Announcement to the subgroup. If the route is filtered withdraw it. */
1830 if (subgroup_announce_check(rn
, selected
, subgrp
, p
, &attr
))
1831 bgp_adj_out_set_subgroup(rn
, subgrp
, &attr
, selected
);
1833 bgp_adj_out_unset_subgroup(rn
, subgrp
, 1, selected
->addpath_tx_id
);
1836 /* If selected is NULL we must withdraw the path using addpath_tx_id */
1839 bgp_adj_out_unset_subgroup(rn
, subgrp
, 1, addpath_tx_id
);
1846 * Clear IGP changed flag and attribute changed flag for a route (all paths).
1847 * This is called at the end of route processing.
1850 bgp_zebra_clear_route_change_flags (struct bgp_node
*rn
)
1852 struct bgp_info
*ri
;
1854 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
1856 if (BGP_INFO_HOLDDOWN (ri
))
1858 UNSET_FLAG (ri
->flags
, BGP_INFO_IGP_CHANGED
);
1859 UNSET_FLAG (ri
->flags
, BGP_INFO_ATTR_CHANGED
);
1864 * Has the route changed from the RIB's perspective? This is invoked only
1865 * if the route selection returns the same best route as earlier - to
1866 * determine if we need to update zebra or not.
1869 bgp_zebra_has_route_changed (struct bgp_node
*rn
, struct bgp_info
*selected
)
1871 struct bgp_info
*mpinfo
;
1873 /* If this is multipath, check all selected paths for any nexthop change or
1874 * attribute change. Some attribute changes (e.g., community) aren't of
1875 * relevance to the RIB, but we'll update zebra to ensure we handle the
1876 * case of BGP nexthop change. This is the behavior when the best path has
1877 * an attribute change anyway.
1879 if (CHECK_FLAG (selected
->flags
, BGP_INFO_IGP_CHANGED
) ||
1880 CHECK_FLAG (selected
->flags
, BGP_INFO_MULTIPATH_CHG
))
1883 /* If this is multipath, check all selected paths for any nexthop change */
1884 for (mpinfo
= bgp_info_mpath_first (selected
); mpinfo
;
1885 mpinfo
= bgp_info_mpath_next (mpinfo
))
1887 if (CHECK_FLAG (mpinfo
->flags
, BGP_INFO_IGP_CHANGED
)
1888 || CHECK_FLAG (mpinfo
->flags
, BGP_INFO_ATTR_CHANGED
))
1892 /* Nothing has changed from the RIB's perspective. */
1896 struct bgp_process_queue
1899 struct bgp_node
*rn
;
1904 static wq_item_status
1905 bgp_process_main (struct work_queue
*wq
, void *data
)
1907 struct bgp_process_queue
*pq
= data
;
1908 struct bgp
*bgp
= pq
->bgp
;
1909 struct bgp_node
*rn
= pq
->rn
;
1910 afi_t afi
= pq
->afi
;
1911 safi_t safi
= pq
->safi
;
1912 struct prefix
*p
= &rn
->p
;
1913 struct bgp_info
*new_select
;
1914 struct bgp_info
*old_select
;
1915 struct bgp_info_pair old_and_new
;
1917 /* Is it end of initial update? (after startup) */
1920 quagga_timestamp(3, bgp
->update_delay_zebra_resume_time
,
1921 sizeof(bgp
->update_delay_zebra_resume_time
));
1923 bgp
->main_zebra_update_hold
= 0;
1924 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
1925 for (safi
= SAFI_UNICAST
; safi
< SAFI_MAX
; safi
++)
1927 bgp_zebra_announce_table(bgp
, afi
, safi
);
1929 bgp
->main_peers_update_hold
= 0;
1931 bgp_start_routeadv(bgp
);
1935 /* Best path selection. */
1936 bgp_best_selection (bgp
, rn
, &bgp
->maxpaths
[afi
][safi
], &old_and_new
);
1937 old_select
= old_and_new
.old
;
1938 new_select
= old_and_new
.new;
1940 /* Do we need to allocate or free labels?
1941 * Right now, since we only deal with per-prefix labels, it is not necessary
1942 * to do this upon changes to best path except of the label index changes.
1944 if (safi
== SAFI_LABELED_UNICAST
)
1946 bgp_table_lock (bgp_node_table (rn
));
1950 bgp_label_index_differs (new_select
, old_select
) ||
1951 new_select
->sub_type
!= old_select
->sub_type
)
1953 if (new_select
->sub_type
== BGP_ROUTE_STATIC
&&
1954 new_select
->attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_PREFIX_SID
) &&
1955 new_select
->attr
->extra
->label_index
!= BGP_INVALID_LABEL_INDEX
)
1957 if (CHECK_FLAG (rn
->flags
, BGP_NODE_REGISTERED_FOR_LABEL
))
1958 bgp_unregister_for_label (rn
);
1959 label_ntop (MPLS_IMP_NULL_LABEL
, 1, rn
->local_label
);
1960 bgp_set_valid_label(rn
->local_label
);
1963 bgp_register_for_label (rn
, new_select
);
1966 else if (CHECK_FLAG (rn
->flags
, BGP_NODE_REGISTERED_FOR_LABEL
))
1967 bgp_unregister_for_label (rn
);
1970 /* If best route remains the same and this is not due to user-initiated
1971 * clear, see exactly what needs to be done.
1974 if (old_select
&& old_select
== new_select
&&
1975 !CHECK_FLAG(rn
->flags
, BGP_NODE_USER_CLEAR
) &&
1976 !CHECK_FLAG(old_select
->flags
, BGP_INFO_ATTR_CHANGED
) &&
1977 !bgp
->addpath_tx_used
[afi
][safi
])
1979 if (bgp_zebra_has_route_changed (rn
, old_select
))
1982 vnc_import_bgp_add_route(bgp
, p
, old_select
);
1983 vnc_import_bgp_exterior_add_route(bgp
, p
, old_select
);
1985 if (bgp_fibupd_safi(safi
) &&
1987 !bgp_option_check (BGP_OPT_NO_FIB
) &&
1988 new_select
->type
== ZEBRA_ROUTE_BGP
&&
1989 new_select
->sub_type
== BGP_ROUTE_NORMAL
)
1990 bgp_zebra_announce (rn
, p
, old_select
, bgp
, afi
, safi
);
1992 UNSET_FLAG (old_select
->flags
, BGP_INFO_MULTIPATH_CHG
);
1993 bgp_zebra_clear_route_change_flags (rn
);
1995 /* If there is a change of interest to peers, reannounce the route. */
1996 if (CHECK_FLAG (old_select
->flags
, BGP_INFO_ATTR_CHANGED
) ||
1997 CHECK_FLAG (rn
->flags
, BGP_NODE_LABEL_CHANGED
))
1999 group_announce_route(bgp
, afi
, safi
, rn
, new_select
);
2001 UNSET_FLAG (old_select
->flags
, BGP_INFO_ATTR_CHANGED
);
2002 UNSET_FLAG (rn
->flags
, BGP_NODE_LABEL_CHANGED
);
2005 UNSET_FLAG (rn
->flags
, BGP_NODE_PROCESS_SCHEDULED
);
2009 /* If the user did "clear ip bgp prefix x.x.x.x" this flag will be set */
2010 UNSET_FLAG(rn
->flags
, BGP_NODE_USER_CLEAR
);
2012 /* bestpath has changed; bump version */
2013 if (old_select
|| new_select
)
2015 bgp_bump_version(rn
);
2017 if (!bgp
->t_rmap_def_originate_eval
)
2020 thread_add_timer(bm
->master
,
2021 update_group_refresh_default_originate_route_map
,
2022 bgp
, RMAP_DEFAULT_ORIGINATE_EVAL_TIMER
,
2023 &bgp
->t_rmap_def_originate_eval
);
2028 bgp_info_unset_flag (rn
, old_select
, BGP_INFO_SELECTED
);
2031 bgp_info_set_flag (rn
, new_select
, BGP_INFO_SELECTED
);
2032 bgp_info_unset_flag (rn
, new_select
, BGP_INFO_ATTR_CHANGED
);
2033 UNSET_FLAG (new_select
->flags
, BGP_INFO_MULTIPATH_CHG
);
2037 if ((afi
== AFI_IP
|| afi
== AFI_IP6
) && (safi
== SAFI_UNICAST
)) {
2038 if (old_select
!= new_select
) {
2040 vnc_import_bgp_exterior_del_route(bgp
, p
, old_select
);
2041 vnc_import_bgp_del_route(bgp
, p
, old_select
);
2044 vnc_import_bgp_exterior_add_route(bgp
, p
, new_select
);
2045 vnc_import_bgp_add_route(bgp
, p
, new_select
);
2051 group_announce_route(bgp
, afi
, safi
, rn
, new_select
);
2054 if (bgp_fibupd_safi(safi
) &&
2055 (bgp
->inst_type
!= BGP_INSTANCE_TYPE_VIEW
) &&
2056 !bgp_option_check (BGP_OPT_NO_FIB
))
2059 && new_select
->type
== ZEBRA_ROUTE_BGP
2060 && (new_select
->sub_type
== BGP_ROUTE_NORMAL
||
2061 new_select
->sub_type
== BGP_ROUTE_AGGREGATE
))
2062 bgp_zebra_announce (rn
, p
, new_select
, bgp
, afi
, safi
);
2065 /* Withdraw the route from the kernel. */
2067 && old_select
->type
== ZEBRA_ROUTE_BGP
2068 && (old_select
->sub_type
== BGP_ROUTE_NORMAL
||
2069 old_select
->sub_type
== BGP_ROUTE_AGGREGATE
))
2070 bgp_zebra_withdraw (p
, old_select
, safi
);
2074 /* Clear any route change flags. */
2075 bgp_zebra_clear_route_change_flags (rn
);
2077 /* Reap old select bgp_info, if it has been removed */
2078 if (old_select
&& CHECK_FLAG (old_select
->flags
, BGP_INFO_REMOVED
))
2079 bgp_info_reap (rn
, old_select
);
2081 UNSET_FLAG (rn
->flags
, BGP_NODE_PROCESS_SCHEDULED
);
2086 bgp_processq_del (struct work_queue
*wq
, void *data
)
2088 struct bgp_process_queue
*pq
= data
;
2089 struct bgp_table
*table
;
2091 bgp_unlock (pq
->bgp
);
2094 table
= bgp_node_table (pq
->rn
);
2095 bgp_unlock_node (pq
->rn
);
2096 bgp_table_unlock (table
);
2098 XFREE (MTYPE_BGP_PROCESS_QUEUE
, pq
);
2102 bgp_process_queue_init (void)
2104 if (!bm
->process_main_queue
)
2106 bm
->process_main_queue
2107 = work_queue_new (bm
->master
, "process_main_queue");
2109 if ( !bm
->process_main_queue
)
2111 zlog_err ("%s: Failed to allocate work queue", __func__
);
2116 bm
->process_main_queue
->spec
.workfunc
= &bgp_process_main
;
2117 bm
->process_main_queue
->spec
.del_item_data
= &bgp_processq_del
;
2118 bm
->process_main_queue
->spec
.max_retries
= 0;
2119 bm
->process_main_queue
->spec
.hold
= 50;
2120 /* Use a higher yield value of 50ms for main queue processing */
2121 bm
->process_main_queue
->spec
.yield
= 50 * 1000L;
2125 bgp_process (struct bgp
*bgp
, struct bgp_node
*rn
, afi_t afi
, safi_t safi
)
2127 struct bgp_process_queue
*pqnode
;
2129 /* already scheduled for processing? */
2130 if (CHECK_FLAG (rn
->flags
, BGP_NODE_PROCESS_SCHEDULED
))
2133 if (bm
->process_main_queue
== NULL
)
2136 pqnode
= XCALLOC (MTYPE_BGP_PROCESS_QUEUE
,
2137 sizeof (struct bgp_process_queue
));
2141 /* all unlocked in bgp_processq_del */
2142 bgp_table_lock (bgp_node_table (rn
));
2143 pqnode
->rn
= bgp_lock_node (rn
);
2147 pqnode
->safi
= safi
;
2148 work_queue_add (bm
->process_main_queue
, pqnode
);
2149 SET_FLAG (rn
->flags
, BGP_NODE_PROCESS_SCHEDULED
);
2154 bgp_add_eoiu_mark (struct bgp
*bgp
)
2156 struct bgp_process_queue
*pqnode
;
2158 if (bm
->process_main_queue
== NULL
)
2161 pqnode
= XCALLOC (MTYPE_BGP_PROCESS_QUEUE
,
2162 sizeof (struct bgp_process_queue
));
2169 work_queue_add (bm
->process_main_queue
, pqnode
);
2173 bgp_maximum_prefix_restart_timer (struct thread
*thread
)
2177 peer
= THREAD_ARG (thread
);
2178 peer
->t_pmax_restart
= NULL
;
2180 if (bgp_debug_neighbor_events(peer
))
2181 zlog_debug ("%s Maximum-prefix restart timer expired, restore peering",
2184 peer_clear (peer
, NULL
);
2190 bgp_maximum_prefix_overflow (struct peer
*peer
, afi_t afi
,
2191 safi_t safi
, int always
)
2196 if (!CHECK_FLAG (peer
->af_flags
[afi
][safi
], PEER_FLAG_MAX_PREFIX
))
2199 if (peer
->pcount
[afi
][safi
] > peer
->pmax
[afi
][safi
])
2201 if (CHECK_FLAG (peer
->af_sflags
[afi
][safi
], PEER_STATUS_PREFIX_LIMIT
)
2205 zlog_info ("%%MAXPFXEXCEED: No. of %s prefix received from %s %ld exceed, "
2206 "limit %ld", afi_safi_print (afi
, safi
), peer
->host
,
2207 peer
->pcount
[afi
][safi
], peer
->pmax
[afi
][safi
]);
2208 SET_FLAG (peer
->af_sflags
[afi
][safi
], PEER_STATUS_PREFIX_LIMIT
);
2210 if (CHECK_FLAG (peer
->af_flags
[afi
][safi
], PEER_FLAG_MAX_PREFIX_WARNING
))
2213 /* Convert AFI, SAFI to values for packet. */
2214 pkt_afi
= afi_int2iana (afi
);
2215 pkt_safi
= safi_int2iana (safi
);
2219 ndata
[0] = (pkt_afi
>> 8);
2221 ndata
[2] = pkt_safi
;
2222 ndata
[3] = (peer
->pmax
[afi
][safi
] >> 24);
2223 ndata
[4] = (peer
->pmax
[afi
][safi
] >> 16);
2224 ndata
[5] = (peer
->pmax
[afi
][safi
] >> 8);
2225 ndata
[6] = (peer
->pmax
[afi
][safi
]);
2227 SET_FLAG (peer
->sflags
, PEER_STATUS_PREFIX_OVERFLOW
);
2228 bgp_notify_send_with_data (peer
, BGP_NOTIFY_CEASE
,
2229 BGP_NOTIFY_CEASE_MAX_PREFIX
, ndata
, 7);
2232 /* Dynamic peers will just close their connection. */
2233 if (peer_dynamic_neighbor (peer
))
2236 /* restart timer start */
2237 if (peer
->pmax_restart
[afi
][safi
])
2239 peer
->v_pmax_restart
= peer
->pmax_restart
[afi
][safi
] * 60;
2241 if (bgp_debug_neighbor_events(peer
))
2242 zlog_debug ("%s Maximum-prefix restart timer started for %d secs",
2243 peer
->host
, peer
->v_pmax_restart
);
2245 BGP_TIMER_ON (peer
->t_pmax_restart
, bgp_maximum_prefix_restart_timer
,
2246 peer
->v_pmax_restart
);
2252 UNSET_FLAG (peer
->af_sflags
[afi
][safi
], PEER_STATUS_PREFIX_LIMIT
);
2254 if (peer
->pcount
[afi
][safi
] > (peer
->pmax
[afi
][safi
] * peer
->pmax_threshold
[afi
][safi
] / 100))
2256 if (CHECK_FLAG (peer
->af_sflags
[afi
][safi
], PEER_STATUS_PREFIX_THRESHOLD
)
2260 zlog_info ("%%MAXPFX: No. of %s prefix received from %s reaches %ld, max %ld",
2261 afi_safi_print (afi
, safi
), peer
->host
, peer
->pcount
[afi
][safi
],
2262 peer
->pmax
[afi
][safi
]);
2263 SET_FLAG (peer
->af_sflags
[afi
][safi
], PEER_STATUS_PREFIX_THRESHOLD
);
2266 UNSET_FLAG (peer
->af_sflags
[afi
][safi
], PEER_STATUS_PREFIX_THRESHOLD
);
2270 /* Unconditionally remove the route from the RIB, without taking
2271 * damping into consideration (eg, because the session went down)
2274 bgp_rib_remove (struct bgp_node
*rn
, struct bgp_info
*ri
, struct peer
*peer
,
2275 afi_t afi
, safi_t safi
)
2277 bgp_aggregate_decrement (peer
->bgp
, &rn
->p
, ri
, afi
, safi
);
2279 if (!CHECK_FLAG (ri
->flags
, BGP_INFO_HISTORY
))
2280 bgp_info_delete (rn
, ri
); /* keep historical info */
2282 bgp_process (peer
->bgp
, rn
, afi
, safi
);
2286 bgp_rib_withdraw (struct bgp_node
*rn
, struct bgp_info
*ri
, struct peer
*peer
,
2287 afi_t afi
, safi_t safi
, struct prefix_rd
*prd
)
2289 int status
= BGP_DAMP_NONE
;
2291 /* apply dampening, if result is suppressed, we'll be retaining
2292 * the bgp_info in the RIB for historical reference.
2294 if (CHECK_FLAG (peer
->bgp
->af_flags
[afi
][safi
], BGP_CONFIG_DAMPENING
)
2295 && peer
->sort
== BGP_PEER_EBGP
)
2296 if ( (status
= bgp_damp_withdraw (ri
, rn
, afi
, safi
, 0))
2297 == BGP_DAMP_SUPPRESSED
)
2299 bgp_aggregate_decrement (peer
->bgp
, &rn
->p
, ri
, afi
, safi
);
2304 if (safi
== SAFI_MPLS_VPN
) {
2305 struct bgp_node
*prn
= NULL
;
2306 struct bgp_table
*table
= NULL
;
2308 prn
= bgp_node_get(peer
->bgp
->rib
[afi
][safi
], (struct prefix
*) prd
);
2310 table
= (struct bgp_table
*)(prn
->info
);
2312 vnc_import_bgp_del_vnc_host_route_mode_resolve_nve(
2319 bgp_unlock_node(prn
);
2321 if ((afi
== AFI_IP
|| afi
== AFI_IP6
) && (safi
== SAFI_UNICAST
)) {
2322 if (CHECK_FLAG (ri
->flags
, BGP_INFO_SELECTED
)) {
2324 vnc_import_bgp_del_route(peer
->bgp
, &rn
->p
, ri
);
2325 vnc_import_bgp_exterior_del_route(peer
->bgp
, &rn
->p
, ri
);
2329 bgp_rib_remove (rn
, ri
, peer
, afi
, safi
);
2332 static struct bgp_info
*
2333 info_make (int type
, int sub_type
, u_short instance
, struct peer
*peer
, struct attr
*attr
,
2334 struct bgp_node
*rn
)
2336 struct bgp_info
*new;
2338 /* Make new BGP info. */
2339 new = XCALLOC (MTYPE_BGP_ROUTE
, sizeof (struct bgp_info
));
2341 new->instance
= instance
;
2342 new->sub_type
= sub_type
;
2345 new->uptime
= bgp_clock ();
2347 new->addpath_tx_id
= ++peer
->bgp
->addpath_tx_id
;
2352 overlay_index_update(struct attr
*attr
, struct eth_segment_id
*eth_s_id
, union gw_addr
*gw_ip
)
2354 struct attr_extra
*extra
;
2358 extra
= bgp_attr_extra_get(attr
);
2360 if(eth_s_id
== NULL
)
2362 memset(&(extra
->evpn_overlay
.eth_s_id
),0, sizeof(struct eth_segment_id
));
2366 memcpy(&(extra
->evpn_overlay
.eth_s_id
), eth_s_id
, sizeof(struct eth_segment_id
));
2370 memset(&(extra
->evpn_overlay
.gw_ip
), 0, sizeof(union gw_addr
));
2374 memcpy(&(extra
->evpn_overlay
.gw_ip
),gw_ip
, sizeof(union gw_addr
));
2379 overlay_index_equal(afi_t afi
, struct bgp_info
*info
, struct eth_segment_id
*eth_s_id
, union gw_addr
*gw_ip
)
2381 struct eth_segment_id
*info_eth_s_id
, *info_eth_s_id_remote
;
2382 union gw_addr
*info_gw_ip
, *info_gw_ip_remote
;
2385 if(afi
!= AFI_L2VPN
)
2387 if (!info
->attr
|| !info
->attr
->extra
)
2389 memset(&temp
, 0, 16);
2390 info_eth_s_id
= (struct eth_segment_id
*)&temp
;
2391 info_gw_ip
= (union gw_addr
*)&temp
;
2392 if(eth_s_id
== NULL
&& gw_ip
== NULL
)
2397 info_eth_s_id
= &(info
->attr
->extra
->evpn_overlay
.eth_s_id
);
2398 info_gw_ip
= &(info
->attr
->extra
->evpn_overlay
.gw_ip
);
2401 info_gw_ip_remote
= (union gw_addr
*)&temp
;
2403 info_gw_ip_remote
= gw_ip
;
2404 if(eth_s_id
== NULL
)
2405 info_eth_s_id_remote
= (struct eth_segment_id
*)&temp
;
2407 info_eth_s_id_remote
= eth_s_id
;
2408 if(!memcmp(info_gw_ip
, info_gw_ip_remote
, sizeof(union gw_addr
)))
2410 return !memcmp(info_eth_s_id
, info_eth_s_id_remote
, sizeof(struct eth_segment_id
));
2413 /* Check if received nexthop is valid or not. */
2415 bgp_update_martian_nexthop (struct bgp
*bgp
, afi_t afi
, safi_t safi
, struct attr
*attr
)
2417 struct attr_extra
*attre
= attr
->extra
;
2420 /* Only validated for unicast and multicast currently. */
2421 if (safi
!= SAFI_UNICAST
&& safi
!= SAFI_MULTICAST
)
2424 /* If NEXT_HOP is present, validate it. */
2425 if (attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_NEXT_HOP
))
2427 if (attr
->nexthop
.s_addr
== 0 ||
2428 IPV4_CLASS_DE (ntohl (attr
->nexthop
.s_addr
)) ||
2429 bgp_nexthop_self (bgp
, attr
))
2433 /* If MP_NEXTHOP is present, validate it. */
2434 /* Note: For IPv6 nexthops, we only validate the global (1st) nexthop;
2435 * there is code in bgp_attr.c to ignore the link-local (2nd) nexthop if
2436 * it is not an IPv6 link-local address.
2438 if (attre
&& attre
->mp_nexthop_len
)
2440 switch (attre
->mp_nexthop_len
)
2442 case BGP_ATTR_NHLEN_IPV4
:
2443 case BGP_ATTR_NHLEN_VPNV4
:
2444 ret
= (attre
->mp_nexthop_global_in
.s_addr
== 0 ||
2445 IPV4_CLASS_DE (ntohl (attre
->mp_nexthop_global_in
.s_addr
)));
2448 case BGP_ATTR_NHLEN_IPV6_GLOBAL
:
2449 case BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL
:
2450 case BGP_ATTR_NHLEN_VPNV6_GLOBAL
:
2451 ret
= (IN6_IS_ADDR_UNSPECIFIED(&attre
->mp_nexthop_global
) ||
2452 IN6_IS_ADDR_LOOPBACK(&attre
->mp_nexthop_global
) ||
2453 IN6_IS_ADDR_MULTICAST(&attre
->mp_nexthop_global
));
2466 bgp_update (struct peer
*peer
, struct prefix
*p
, u_int32_t addpath_id
,
2467 struct attr
*attr
, afi_t afi
, safi_t safi
, int type
,
2468 int sub_type
, struct prefix_rd
*prd
, u_char
*tag
,
2469 int soft_reconfig
, struct bgp_route_evpn
* evpn
)
2472 int aspath_loop_count
= 0;
2473 struct bgp_node
*rn
;
2475 struct attr new_attr
;
2476 struct attr_extra new_extra
;
2477 struct attr
*attr_new
;
2478 struct bgp_info
*ri
;
2479 struct bgp_info
*new;
2481 char pfx_buf
[BGP_PRD_PATH_STRLEN
];
2484 int do_loop_check
= 1;
2486 int vnc_implicit_withdraw
= 0;
2489 memset (&new_attr
, 0, sizeof(struct attr
));
2490 memset (&new_extra
, 0, sizeof(struct attr_extra
));
2493 rn
= bgp_afi_node_get (bgp
->rib
[afi
][safi
], afi
, safi
, p
, prd
);
2494 label_buf
[0] = '\0';
2495 if (bgp_labeled_safi(safi
))
2496 sprintf (label_buf
, "label %u", label_pton(tag
));
2498 /* When peer's soft reconfiguration enabled. Record input packet in
2500 if (! soft_reconfig
&& CHECK_FLAG (peer
->af_flags
[afi
][safi
], PEER_FLAG_SOFT_RECONFIG
)
2501 && peer
!= bgp
->peer_self
)
2502 bgp_adj_in_set (rn
, peer
, attr
, addpath_id
);
2504 /* Check previously received route. */
2505 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
2506 if (ri
->peer
== peer
&& ri
->type
== type
&& ri
->sub_type
== sub_type
&&
2507 ri
->addpath_rx_id
== addpath_id
)
2510 /* AS path local-as loop check. */
2511 if (peer
->change_local_as
)
2513 if (! CHECK_FLAG (peer
->flags
, PEER_FLAG_LOCAL_AS_NO_PREPEND
))
2514 aspath_loop_count
= 1;
2516 if (aspath_loop_check (attr
->aspath
, peer
->change_local_as
) > aspath_loop_count
)
2518 reason
= "as-path contains our own AS;";
2523 /* If the peer is configured for "allowas-in origin" and the last ASN in the
2524 * as-path is our ASN then we do not need to call aspath_loop_check
2526 if (CHECK_FLAG (peer
->af_flags
[afi
][safi
], PEER_FLAG_ALLOWAS_IN_ORIGIN
))
2527 if (aspath_get_last_as(attr
->aspath
) == bgp
->as
)
2530 /* AS path loop check. */
2533 if (aspath_loop_check (attr
->aspath
, bgp
->as
) > peer
->allowas_in
[afi
][safi
]
2534 || (CHECK_FLAG(bgp
->config
, BGP_CONFIG_CONFEDERATION
)
2535 && aspath_loop_check(attr
->aspath
, bgp
->confed_id
) > peer
->allowas_in
[afi
][safi
]))
2537 reason
= "as-path contains our own AS;";
2542 /* Route reflector originator ID check. */
2543 if (attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_ORIGINATOR_ID
)
2544 && IPV4_ADDR_SAME (&bgp
->router_id
, &attr
->extra
->originator_id
))
2546 reason
= "originator is us;";
2550 /* Route reflector cluster ID check. */
2551 if (bgp_cluster_filter (peer
, attr
))
2553 reason
= "reflected from the same cluster;";
2557 /* Apply incoming filter. */
2558 if (bgp_input_filter (peer
, p
, attr
, afi
, safi
) == FILTER_DENY
)
2564 new_attr
.extra
= &new_extra
;
2565 bgp_attr_dup (&new_attr
, attr
);
2567 /* Apply incoming route-map.
2568 * NB: new_attr may now contain newly allocated values from route-map "set"
2569 * commands, so we need bgp_attr_flush in the error paths, until we intern
2570 * the attr (which takes over the memory references) */
2571 if (bgp_input_modifier (peer
, p
, &new_attr
, afi
, safi
, NULL
) == RMAP_DENY
)
2573 reason
= "route-map;";
2574 bgp_attr_flush (&new_attr
);
2578 /* next hop check. */
2579 if (bgp_update_martian_nexthop (bgp
, afi
, safi
, &new_attr
))
2581 reason
= "martian or self next-hop;";
2582 bgp_attr_flush (&new_attr
);
2586 attr_new
= bgp_attr_intern (&new_attr
);
2588 /* If the update is implicit withdraw. */
2591 ri
->uptime
= bgp_clock ();
2593 /* Same attribute comes in. */
2594 if (!CHECK_FLAG (ri
->flags
, BGP_INFO_REMOVED
)
2595 && attrhash_cmp (ri
->attr
, attr_new
)
2596 && (!bgp_labeled_safi(safi
) ||
2597 memcmp ((bgp_info_extra_get (ri
))->tag
, tag
, 3) == 0)
2598 && (overlay_index_equal(afi
, ri
, evpn
==NULL
?NULL
:&evpn
->eth_s_id
,
2599 evpn
==NULL
?NULL
:&evpn
->gw_ip
)))
2601 if (CHECK_FLAG (bgp
->af_flags
[afi
][safi
], BGP_CONFIG_DAMPENING
)
2602 && peer
->sort
== BGP_PEER_EBGP
2603 && CHECK_FLAG (ri
->flags
, BGP_INFO_HISTORY
))
2605 if (bgp_debug_update(peer
, p
, NULL
, 1))
2606 zlog_debug ("%s rcvd %s %s", peer
->host
,
2607 bgp_debug_rdpfxpath2str (prd
, p
, addpath_id
? 1 : 0,
2608 addpath_id
, pfx_buf
, sizeof (pfx_buf
)), label_buf
);
2610 if (bgp_damp_update (ri
, rn
, afi
, safi
) != BGP_DAMP_SUPPRESSED
)
2612 bgp_aggregate_increment (bgp
, p
, ri
, afi
, safi
);
2613 bgp_process (bgp
, rn
, afi
, safi
);
2616 else /* Duplicate - odd */
2618 if (bgp_debug_update(peer
, p
, NULL
, 1))
2620 if (!peer
->rcvd_attr_printed
)
2622 zlog_debug ("%s rcvd UPDATE w/ attr: %s", peer
->host
, peer
->rcvd_attr_str
);
2623 peer
->rcvd_attr_printed
= 1;
2626 zlog_debug ("%s rcvd %s %s...duplicate ignored",
2628 bgp_debug_rdpfxpath2str (prd
, p
, addpath_id
?
2629 1 : 0, addpath_id
, pfx_buf
, sizeof (pfx_buf
)), label_buf
);
2632 /* graceful restart STALE flag unset. */
2633 if (CHECK_FLAG (ri
->flags
, BGP_INFO_STALE
))
2635 bgp_info_unset_flag (rn
, ri
, BGP_INFO_STALE
);
2636 bgp_process (bgp
, rn
, afi
, safi
);
2640 bgp_unlock_node (rn
);
2641 bgp_attr_unintern (&attr_new
);
2646 /* Withdraw/Announce before we fully processed the withdraw */
2647 if (CHECK_FLAG(ri
->flags
, BGP_INFO_REMOVED
))
2649 if (bgp_debug_update(peer
, p
, NULL
, 1))
2650 zlog_debug ("%s rcvd %s %s, flapped quicker than processing",
2652 bgp_debug_rdpfxpath2str (prd
, p
, addpath_id
? 1 : 0,
2653 addpath_id
, pfx_buf
, sizeof (pfx_buf
)), label_buf
);
2654 bgp_info_restore (rn
, ri
);
2657 /* Received Logging. */
2658 if (bgp_debug_update(peer
, p
, NULL
, 1))
2659 zlog_debug ("%s rcvd %s %s", peer
->host
,
2660 bgp_debug_rdpfxpath2str (prd
, p
, addpath_id
? 1 : 0,
2661 addpath_id
, pfx_buf
, sizeof (pfx_buf
)), label_buf
);
2663 /* graceful restart STALE flag unset. */
2664 if (CHECK_FLAG (ri
->flags
, BGP_INFO_STALE
))
2665 bgp_info_unset_flag (rn
, ri
, BGP_INFO_STALE
);
2667 /* The attribute is changed. */
2668 bgp_info_set_flag (rn
, ri
, BGP_INFO_ATTR_CHANGED
);
2670 /* implicit withdraw, decrement aggregate and pcount here.
2671 * only if update is accepted, they'll increment below.
2673 bgp_aggregate_decrement (bgp
, p
, ri
, afi
, safi
);
2675 /* Update bgp route dampening information. */
2676 if (CHECK_FLAG (bgp
->af_flags
[afi
][safi
], BGP_CONFIG_DAMPENING
)
2677 && peer
->sort
== BGP_PEER_EBGP
)
2679 /* This is implicit withdraw so we should update dampening
2681 if (! CHECK_FLAG (ri
->flags
, BGP_INFO_HISTORY
))
2682 bgp_damp_withdraw (ri
, rn
, afi
, safi
, 1);
2685 if (safi
== SAFI_MPLS_VPN
) {
2686 struct bgp_node
*prn
= NULL
;
2687 struct bgp_table
*table
= NULL
;
2689 prn
= bgp_node_get(bgp
->rib
[afi
][safi
], (struct prefix
*) prd
);
2691 table
= (struct bgp_table
*)(prn
->info
);
2693 vnc_import_bgp_del_vnc_host_route_mode_resolve_nve(
2700 bgp_unlock_node(prn
);
2702 if ((afi
== AFI_IP
|| afi
== AFI_IP6
) && (safi
== SAFI_UNICAST
)) {
2703 if (CHECK_FLAG (ri
->flags
, BGP_INFO_SELECTED
)) {
2705 * Implicit withdraw case.
2707 ++vnc_implicit_withdraw
;
2708 vnc_import_bgp_del_route(bgp
, p
, ri
);
2709 vnc_import_bgp_exterior_del_route(bgp
, p
, ri
);
2714 /* Update to new attribute. */
2715 bgp_attr_unintern (&ri
->attr
);
2716 ri
->attr
= attr_new
;
2718 /* Update MPLS tag. */
2719 if (bgp_labeled_safi(safi
))
2720 memcpy ((bgp_info_extra_get (ri
))->tag
, tag
, 3);
2723 if ((afi
== AFI_IP
|| afi
== AFI_IP6
) && (safi
== SAFI_UNICAST
))
2725 if (vnc_implicit_withdraw
)
2728 * Add back the route with its new attributes (e.g., nexthop).
2729 * The route is still selected, until the route selection
2730 * queued by bgp_process actually runs. We have to make this
2731 * update to the VNC side immediately to avoid racing against
2732 * configuration changes (e.g., route-map changes) which
2733 * trigger re-importation of the entire RIB.
2735 vnc_import_bgp_add_route(bgp
, p
, ri
);
2736 vnc_import_bgp_exterior_add_route(bgp
, p
, ri
);
2740 /* Update Overlay Index */
2741 if(afi
== AFI_L2VPN
)
2743 overlay_index_update(ri
->attr
, evpn
==NULL
?NULL
:&evpn
->eth_s_id
,
2744 evpn
==NULL
?NULL
:&evpn
->gw_ip
);
2747 /* Update bgp route dampening information. */
2748 if (CHECK_FLAG (bgp
->af_flags
[afi
][safi
], BGP_CONFIG_DAMPENING
)
2749 && peer
->sort
== BGP_PEER_EBGP
)
2751 /* Now we do normal update dampening. */
2752 ret
= bgp_damp_update (ri
, rn
, afi
, safi
);
2753 if (ret
== BGP_DAMP_SUPPRESSED
)
2755 bgp_unlock_node (rn
);
2760 /* Nexthop reachability check - for unicast and labeled-unicast.. */
2761 if ((afi
== AFI_IP
|| afi
== AFI_IP6
) &&
2762 (safi
== SAFI_UNICAST
|| safi
== SAFI_LABELED_UNICAST
))
2764 if (peer
->sort
== BGP_PEER_EBGP
&& peer
->ttl
== 1 &&
2765 ! CHECK_FLAG (peer
->flags
, PEER_FLAG_DISABLE_CONNECTED_CHECK
)
2766 && ! bgp_flag_check(bgp
, BGP_FLAG_DISABLE_NH_CONNECTED_CHK
))
2771 if (bgp_find_or_add_nexthop (bgp
, afi
, ri
, NULL
, connected
))
2772 bgp_info_set_flag (rn
, ri
, BGP_INFO_VALID
);
2775 if (BGP_DEBUG(nht
, NHT
))
2777 char buf1
[INET6_ADDRSTRLEN
];
2778 inet_ntop(AF_INET
, (const void *)&attr_new
->nexthop
, buf1
, INET6_ADDRSTRLEN
);
2779 zlog_debug("%s(%s): NH unresolved", __FUNCTION__
, buf1
);
2781 bgp_info_unset_flag (rn
, ri
, BGP_INFO_VALID
);
2785 bgp_info_set_flag (rn
, ri
, BGP_INFO_VALID
);
2788 if (safi
== SAFI_MPLS_VPN
)
2790 struct bgp_node
*prn
= NULL
;
2791 struct bgp_table
*table
= NULL
;
2793 prn
= bgp_node_get(bgp
->rib
[afi
][safi
], (struct prefix
*) prd
);
2796 table
= (struct bgp_table
*)(prn
->info
);
2798 vnc_import_bgp_add_vnc_host_route_mode_resolve_nve(
2805 bgp_unlock_node(prn
);
2809 /* Process change. */
2810 bgp_aggregate_increment (bgp
, p
, ri
, afi
, safi
);
2812 bgp_process (bgp
, rn
, afi
, safi
);
2813 bgp_unlock_node (rn
);
2816 if (SAFI_MPLS_VPN
== safi
)
2818 uint32_t label
= decode_label(tag
);
2820 rfapiProcessUpdate(peer
, NULL
, p
, prd
, attr
, afi
, safi
, type
, sub_type
,
2823 if (SAFI_ENCAP
== safi
)
2825 rfapiProcessUpdate(peer
, NULL
, p
, prd
, attr
, afi
, safi
, type
, sub_type
,
2831 } // End of implicit withdraw
2833 /* Received Logging. */
2834 if (bgp_debug_update(peer
, p
, NULL
, 1))
2836 if (!peer
->rcvd_attr_printed
)
2838 zlog_debug ("%s rcvd UPDATE w/ attr: %s", peer
->host
, peer
->rcvd_attr_str
);
2839 peer
->rcvd_attr_printed
= 1;
2842 zlog_debug ("%s rcvd %s%s ", peer
->host
,
2843 bgp_debug_rdpfxpath2str (prd
, p
, addpath_id
? 1 : 0,
2844 addpath_id
, pfx_buf
, sizeof (pfx_buf
)), label_buf
);
2847 /* Make new BGP info. */
2848 new = info_make(type
, sub_type
, 0, peer
, attr_new
, rn
);
2850 /* Update MPLS tag. */
2851 if (bgp_labeled_safi(safi
))
2852 memcpy ((bgp_info_extra_get (new))->tag
, tag
, 3);
2854 /* Update Overlay Index */
2855 if(afi
== AFI_L2VPN
)
2857 overlay_index_update(new->attr
, evpn
==NULL
?NULL
:&evpn
->eth_s_id
,
2858 evpn
==NULL
?NULL
:&evpn
->gw_ip
);
2860 /* Nexthop reachability check. */
2861 if ((afi
== AFI_IP
|| afi
== AFI_IP6
) &&
2862 (safi
== SAFI_UNICAST
|| safi
== SAFI_LABELED_UNICAST
))
2864 if (peer
->sort
== BGP_PEER_EBGP
&& peer
->ttl
== 1 &&
2865 ! CHECK_FLAG (peer
->flags
, PEER_FLAG_DISABLE_CONNECTED_CHECK
)
2866 && ! bgp_flag_check(bgp
, BGP_FLAG_DISABLE_NH_CONNECTED_CHK
))
2871 if (bgp_find_or_add_nexthop (bgp
, afi
, new, NULL
, connected
))
2872 bgp_info_set_flag (rn
, new, BGP_INFO_VALID
);
2875 if (BGP_DEBUG(nht
, NHT
))
2877 char buf1
[INET6_ADDRSTRLEN
];
2878 inet_ntop(AF_INET
, (const void *)&attr_new
->nexthop
, buf1
, INET6_ADDRSTRLEN
);
2879 zlog_debug("%s(%s): NH unresolved", __FUNCTION__
, buf1
);
2881 bgp_info_unset_flag (rn
, new, BGP_INFO_VALID
);
2885 bgp_info_set_flag (rn
, new, BGP_INFO_VALID
);
2888 new->addpath_rx_id
= addpath_id
;
2890 /* Increment prefix */
2891 bgp_aggregate_increment (bgp
, p
, new, afi
, safi
);
2893 /* Register new BGP information. */
2894 bgp_info_add (rn
, new);
2896 /* route_node_get lock */
2897 bgp_unlock_node (rn
);
2900 if (safi
== SAFI_MPLS_VPN
)
2902 struct bgp_node
*prn
= NULL
;
2903 struct bgp_table
*table
= NULL
;
2905 prn
= bgp_node_get(bgp
->rib
[afi
][safi
], (struct prefix
*) prd
);
2908 table
= (struct bgp_table
*)(prn
->info
);
2910 vnc_import_bgp_add_vnc_host_route_mode_resolve_nve(
2917 bgp_unlock_node(prn
);
2921 /* If maximum prefix count is configured and current prefix
2923 if (bgp_maximum_prefix_overflow (peer
, afi
, safi
, 0))
2926 /* Process change. */
2927 bgp_process (bgp
, rn
, afi
, safi
);
2930 if (SAFI_MPLS_VPN
== safi
)
2932 uint32_t label
= decode_label(tag
);
2934 rfapiProcessUpdate(peer
, NULL
, p
, prd
, attr
, afi
, safi
, type
, sub_type
,
2937 if (SAFI_ENCAP
== safi
)
2939 rfapiProcessUpdate(peer
, NULL
, p
, prd
, attr
, afi
, safi
, type
, sub_type
,
2946 /* This BGP update is filtered. Log the reason then update BGP
2949 if (bgp_debug_update(peer
, p
, NULL
, 1))
2951 if (!peer
->rcvd_attr_printed
)
2953 zlog_debug ("%s rcvd UPDATE w/ attr: %s", peer
->host
, peer
->rcvd_attr_str
);
2954 peer
->rcvd_attr_printed
= 1;
2957 zlog_debug ("%s rcvd UPDATE about %s %s -- DENIED due to: %s",
2959 bgp_debug_rdpfxpath2str (prd
, p
, addpath_id
? 1 : 0,
2960 addpath_id
, pfx_buf
, sizeof (pfx_buf
)), label_buf
, reason
);
2964 bgp_rib_remove (rn
, ri
, peer
, afi
, safi
);
2966 bgp_unlock_node (rn
);
2970 * Filtered update is treated as an implicit withdrawal (see bgp_rib_remove()
2971 * a few lines above)
2973 if ((SAFI_MPLS_VPN
== safi
) || (SAFI_ENCAP
== safi
))
2975 rfapiProcessWithdraw(peer
, NULL
, p
, prd
, NULL
, afi
, safi
, type
, 0);
2983 bgp_withdraw (struct peer
*peer
, struct prefix
*p
, u_int32_t addpath_id
,
2984 struct attr
*attr
, afi_t afi
, safi_t safi
, int type
, int sub_type
,
2985 struct prefix_rd
*prd
, u_char
*tag
, struct bgp_route_evpn
*evpn
)
2988 char pfx_buf
[BGP_PRD_PATH_STRLEN
];
2989 struct bgp_node
*rn
;
2990 struct bgp_info
*ri
;
2993 if ((SAFI_MPLS_VPN
== safi
) || (SAFI_ENCAP
== safi
))
2995 rfapiProcessWithdraw(peer
, NULL
, p
, prd
, NULL
, afi
, safi
, type
, 0);
3002 rn
= bgp_afi_node_get (bgp
->rib
[afi
][safi
], afi
, safi
, p
, prd
);
3004 /* If peer is soft reconfiguration enabled. Record input packet for
3005 * further calculation.
3007 * Cisco IOS 12.4(24)T4 on session establishment sends withdraws for all
3008 * routes that are filtered. This tanks out Quagga RS pretty badly due to
3009 * the iteration over all RS clients.
3010 * Since we need to remove the entry from adj_in anyway, do that first and
3011 * if there was no entry, we don't need to do anything more.
3013 if (CHECK_FLAG (peer
->af_flags
[afi
][safi
], PEER_FLAG_SOFT_RECONFIG
)
3014 && peer
!= bgp
->peer_self
)
3015 if (!bgp_adj_in_unset (rn
, peer
, addpath_id
))
3017 if (bgp_debug_update (peer
, p
, NULL
, 1))
3018 zlog_debug ("%s withdrawing route %s not in adj-in",
3020 bgp_debug_rdpfxpath2str (prd
, p
, addpath_id
? 1 : 0,
3021 addpath_id
, pfx_buf
, sizeof (pfx_buf
)));
3022 bgp_unlock_node (rn
);
3026 /* Lookup withdrawn route. */
3027 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
3028 if (ri
->peer
== peer
&& ri
->type
== type
&& ri
->sub_type
== sub_type
&&
3029 ri
->addpath_rx_id
== addpath_id
)
3033 if (bgp_debug_update(peer
, p
, NULL
, 1))
3035 zlog_debug ("%s rcvd UPDATE about %s -- withdrawn",
3037 bgp_debug_rdpfxpath2str (prd
, p
, addpath_id
? 1 : 0,
3038 addpath_id
, pfx_buf
, sizeof (pfx_buf
)));
3041 /* Withdraw specified route from routing table. */
3042 if (ri
&& ! CHECK_FLAG (ri
->flags
, BGP_INFO_HISTORY
))
3043 bgp_rib_withdraw (rn
, ri
, peer
, afi
, safi
, prd
);
3044 else if (bgp_debug_update(peer
, p
, NULL
, 1))
3045 zlog_debug ("%s Can't find the route %s",
3047 bgp_debug_rdpfxpath2str (prd
, p
, addpath_id
? 1 : 0,
3048 addpath_id
, pfx_buf
, sizeof (pfx_buf
)));
3050 /* Unlock bgp_node_get() lock. */
3051 bgp_unlock_node (rn
);
3057 bgp_default_originate (struct peer
*peer
, afi_t afi
, safi_t safi
, int withdraw
)
3059 struct update_subgroup
*subgrp
;
3060 subgrp
= peer_subgroup(peer
, afi
, safi
);
3061 subgroup_default_originate(subgrp
, withdraw
);
3066 * bgp_stop_announce_route_timer
3069 bgp_stop_announce_route_timer (struct peer_af
*paf
)
3071 if (!paf
->t_announce_route
)
3074 THREAD_TIMER_OFF (paf
->t_announce_route
);
3078 * bgp_announce_route_timer_expired
3080 * Callback that is invoked when the route announcement timer for a
3084 bgp_announce_route_timer_expired (struct thread
*t
)
3086 struct peer_af
*paf
;
3089 paf
= THREAD_ARG (t
);
3092 if (peer
->status
!= Established
)
3095 if (!peer
->afc_nego
[paf
->afi
][paf
->safi
])
3098 peer_af_announce_route (paf
, 1);
3103 * bgp_announce_route
3105 * *Triggers* announcement of routes of a given AFI/SAFI to a peer.
3108 bgp_announce_route (struct peer
*peer
, afi_t afi
, safi_t safi
)
3110 struct peer_af
*paf
;
3111 struct update_subgroup
*subgrp
;
3113 paf
= peer_af_find (peer
, afi
, safi
);
3116 subgrp
= PAF_SUBGRP(paf
);
3119 * Ignore if subgroup doesn't exist (implies AF is not negotiated)
3120 * or a refresh has already been triggered.
3122 if (!subgrp
|| paf
->t_announce_route
)
3126 * Start a timer to stagger/delay the announce. This serves
3127 * two purposes - announcement can potentially be combined for
3128 * multiple peers and the announcement doesn't happen in the
3131 thread_add_timer_msec(bm
->master
, bgp_announce_route_timer_expired
, paf
,
3132 (subgrp
->peer_count
== 1) ? BGP_ANNOUNCE_ROUTE_SHORT_DELAY_MS
: BGP_ANNOUNCE_ROUTE_DELAY_MS
,
3133 &paf
->t_announce_route
);
3137 * Announce routes from all AF tables to a peer.
3139 * This should ONLY be called when there is a need to refresh the
3140 * routes to the peer based on a policy change for this peer alone
3141 * or a route refresh request received from the peer.
3142 * The operation will result in splitting the peer from its existing
3143 * subgroups and putting it in new subgroups.
3146 bgp_announce_route_all (struct peer
*peer
)
3151 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
3152 for (safi
= SAFI_UNICAST
; safi
< SAFI_MAX
; safi
++)
3153 bgp_announce_route (peer
, afi
, safi
);
3157 bgp_soft_reconfig_table (struct peer
*peer
, afi_t afi
, safi_t safi
,
3158 struct bgp_table
*table
, struct prefix_rd
*prd
)
3161 struct bgp_node
*rn
;
3162 struct bgp_adj_in
*ain
;
3165 table
= peer
->bgp
->rib
[afi
][safi
];
3167 for (rn
= bgp_table_top (table
); rn
; rn
= bgp_route_next (rn
))
3168 for (ain
= rn
->adj_in
; ain
; ain
= ain
->next
)
3170 if (ain
->peer
== peer
)
3172 struct bgp_info
*ri
= rn
->info
;
3173 u_char
*tag
= (ri
&& ri
->extra
) ? ri
->extra
->tag
: NULL
;
3175 ret
= bgp_update (peer
, &rn
->p
, ain
->addpath_rx_id
, ain
->attr
,
3176 afi
, safi
, ZEBRA_ROUTE_BGP
, BGP_ROUTE_NORMAL
,
3181 bgp_unlock_node (rn
);
3189 bgp_soft_reconfig_in (struct peer
*peer
, afi_t afi
, safi_t safi
)
3191 struct bgp_node
*rn
;
3192 struct bgp_table
*table
;
3194 if (peer
->status
!= Established
)
3197 if ((safi
!= SAFI_MPLS_VPN
) && (safi
!= SAFI_ENCAP
) && (safi
!= SAFI_EVPN
))
3198 bgp_soft_reconfig_table (peer
, afi
, safi
, NULL
, NULL
);
3200 for (rn
= bgp_table_top (peer
->bgp
->rib
[afi
][safi
]); rn
;
3201 rn
= bgp_route_next (rn
))
3202 if ((table
= rn
->info
) != NULL
)
3204 struct prefix_rd prd
;
3205 prd
.family
= AF_UNSPEC
;
3207 memcpy(&prd
.val
, rn
->p
.u
.val
, 8);
3209 bgp_soft_reconfig_table (peer
, afi
, safi
, table
, &prd
);
3214 struct bgp_clear_node_queue
3216 struct bgp_node
*rn
;
3219 static wq_item_status
3220 bgp_clear_route_node (struct work_queue
*wq
, void *data
)
3222 struct bgp_clear_node_queue
*cnq
= data
;
3223 struct bgp_node
*rn
= cnq
->rn
;
3224 struct peer
*peer
= wq
->spec
.data
;
3225 struct bgp_info
*ri
;
3226 afi_t afi
= bgp_node_table (rn
)->afi
;
3227 safi_t safi
= bgp_node_table (rn
)->safi
;
3229 assert (rn
&& peer
);
3231 /* It is possible that we have multiple paths for a prefix from a peer
3232 * if that peer is using AddPath.
3234 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
3235 if (ri
->peer
== peer
)
3237 /* graceful restart STALE flag set. */
3238 if (CHECK_FLAG (peer
->sflags
, PEER_STATUS_NSF_WAIT
)
3239 && peer
->nsf
[afi
][safi
]
3240 && ! CHECK_FLAG (ri
->flags
, BGP_INFO_STALE
)
3241 && ! CHECK_FLAG (ri
->flags
, BGP_INFO_UNUSEABLE
))
3242 bgp_info_set_flag (rn
, ri
, BGP_INFO_STALE
);
3244 bgp_rib_remove (rn
, ri
, peer
, afi
, safi
);
3250 bgp_clear_node_queue_del (struct work_queue
*wq
, void *data
)
3252 struct bgp_clear_node_queue
*cnq
= data
;
3253 struct bgp_node
*rn
= cnq
->rn
;
3254 struct bgp_table
*table
= bgp_node_table (rn
);
3256 bgp_unlock_node (rn
);
3257 bgp_table_unlock (table
);
3258 XFREE (MTYPE_BGP_CLEAR_NODE_QUEUE
, cnq
);
3262 bgp_clear_node_complete (struct work_queue
*wq
)
3264 struct peer
*peer
= wq
->spec
.data
;
3266 /* Tickle FSM to start moving again */
3267 BGP_EVENT_ADD (peer
, Clearing_Completed
);
3269 peer_unlock (peer
); /* bgp_clear_route */
3273 bgp_clear_node_queue_init (struct peer
*peer
)
3275 char wname
[sizeof("clear xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx")];
3277 snprintf (wname
, sizeof(wname
), "clear %s", peer
->host
);
3278 #undef CLEAR_QUEUE_NAME_LEN
3280 if ( (peer
->clear_node_queue
= work_queue_new (bm
->master
, wname
)) == NULL
)
3282 zlog_err ("%s: Failed to allocate work queue", __func__
);
3285 peer
->clear_node_queue
->spec
.hold
= 10;
3286 peer
->clear_node_queue
->spec
.workfunc
= &bgp_clear_route_node
;
3287 peer
->clear_node_queue
->spec
.del_item_data
= &bgp_clear_node_queue_del
;
3288 peer
->clear_node_queue
->spec
.completion_func
= &bgp_clear_node_complete
;
3289 peer
->clear_node_queue
->spec
.max_retries
= 0;
3291 /* we only 'lock' this peer reference when the queue is actually active */
3292 peer
->clear_node_queue
->spec
.data
= peer
;
3296 bgp_clear_route_table (struct peer
*peer
, afi_t afi
, safi_t safi
,
3297 struct bgp_table
*table
)
3299 struct bgp_node
*rn
;
3300 int force
= bm
->process_main_queue
? 0 : 1;
3303 table
= peer
->bgp
->rib
[afi
][safi
];
3305 /* If still no table => afi/safi isn't configured at all or smth. */
3309 for (rn
= bgp_table_top (table
); rn
; rn
= bgp_route_next (rn
))
3311 struct bgp_info
*ri
, *next
;
3312 struct bgp_adj_in
*ain
;
3313 struct bgp_adj_in
*ain_next
;
3315 /* XXX:TODO: This is suboptimal, every non-empty route_node is
3316 * queued for every clearing peer, regardless of whether it is
3317 * relevant to the peer at hand.
3319 * Overview: There are 3 different indices which need to be
3320 * scrubbed, potentially, when a peer is removed:
3322 * 1 peer's routes visible via the RIB (ie accepted routes)
3323 * 2 peer's routes visible by the (optional) peer's adj-in index
3324 * 3 other routes visible by the peer's adj-out index
3326 * 3 there is no hurry in scrubbing, once the struct peer is
3327 * removed from bgp->peer, we could just GC such deleted peer's
3328 * adj-outs at our leisure.
3330 * 1 and 2 must be 'scrubbed' in some way, at least made
3331 * invisible via RIB index before peer session is allowed to be
3332 * brought back up. So one needs to know when such a 'search' is
3337 * - there'd be a single global queue or a single RIB walker
3338 * - rather than tracking which route_nodes still need to be
3339 * examined on a peer basis, we'd track which peers still
3342 * Given that our per-peer prefix-counts now should be reliable,
3343 * this may actually be achievable. It doesn't seem to be a huge
3344 * problem at this time,
3346 * It is possible that we have multiple paths for a prefix from a peer
3347 * if that peer is using AddPath.
3352 ain_next
= ain
->next
;
3354 if (ain
->peer
== peer
)
3356 bgp_adj_in_remove (rn
, ain
);
3357 bgp_unlock_node (rn
);
3363 for (ri
= rn
->info
; ri
; ri
= next
)
3366 if (ri
->peer
!= peer
)
3370 bgp_info_reap (rn
, ri
);
3373 struct bgp_clear_node_queue
*cnq
;
3375 /* both unlocked in bgp_clear_node_queue_del */
3376 bgp_table_lock (bgp_node_table (rn
));
3378 cnq
= XCALLOC (MTYPE_BGP_CLEAR_NODE_QUEUE
,
3379 sizeof (struct bgp_clear_node_queue
));
3381 work_queue_add (peer
->clear_node_queue
, cnq
);
3390 bgp_clear_route (struct peer
*peer
, afi_t afi
, safi_t safi
)
3392 struct bgp_node
*rn
;
3393 struct bgp_table
*table
;
3395 if (peer
->clear_node_queue
== NULL
)
3396 bgp_clear_node_queue_init (peer
);
3398 /* bgp_fsm.c keeps sessions in state Clearing, not transitioning to
3399 * Idle until it receives a Clearing_Completed event. This protects
3400 * against peers which flap faster than we can we clear, which could
3403 * a) race with routes from the new session being installed before
3404 * clear_route_node visits the node (to delete the route of that
3406 * b) resource exhaustion, clear_route_node likely leads to an entry
3407 * on the process_main queue. Fast-flapping could cause that queue
3411 /* lock peer in assumption that clear-node-queue will get nodes; if so,
3412 * the unlock will happen upon work-queue completion; other wise, the
3413 * unlock happens at the end of this function.
3415 if (!peer
->clear_node_queue
->thread
)
3418 if (safi
!= SAFI_MPLS_VPN
&& safi
!= SAFI_ENCAP
&& safi
!= SAFI_EVPN
)
3419 bgp_clear_route_table (peer
, afi
, safi
, NULL
);
3421 for (rn
= bgp_table_top (peer
->bgp
->rib
[afi
][safi
]); rn
;
3422 rn
= bgp_route_next (rn
))
3423 if ((table
= rn
->info
) != NULL
)
3424 bgp_clear_route_table (peer
, afi
, safi
, table
);
3426 /* unlock if no nodes got added to the clear-node-queue. */
3427 if (!peer
->clear_node_queue
->thread
)
3433 bgp_clear_route_all (struct peer
*peer
)
3438 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
3439 for (safi
= SAFI_UNICAST
; safi
< SAFI_MAX
; safi
++)
3440 bgp_clear_route (peer
, afi
, safi
);
3443 rfapiProcessPeerDown(peer
);
3448 bgp_clear_adj_in (struct peer
*peer
, afi_t afi
, safi_t safi
)
3450 struct bgp_table
*table
;
3451 struct bgp_node
*rn
;
3452 struct bgp_adj_in
*ain
;
3453 struct bgp_adj_in
*ain_next
;
3455 table
= peer
->bgp
->rib
[afi
][safi
];
3457 /* It is possible that we have multiple paths for a prefix from a peer
3458 * if that peer is using AddPath.
3460 for (rn
= bgp_table_top (table
); rn
; rn
= bgp_route_next (rn
))
3466 ain_next
= ain
->next
;
3468 if (ain
->peer
== peer
)
3470 bgp_adj_in_remove (rn
, ain
);
3471 bgp_unlock_node (rn
);
3480 bgp_clear_stale_route (struct peer
*peer
, afi_t afi
, safi_t safi
)
3482 struct bgp_node
*rn
;
3483 struct bgp_info
*ri
;
3484 struct bgp_table
*table
;
3486 if ( safi
== SAFI_MPLS_VPN
)
3488 for (rn
= bgp_table_top (peer
->bgp
->rib
[afi
][safi
]); rn
; rn
= bgp_route_next (rn
))
3490 struct bgp_node
*rm
;
3491 struct bgp_info
*ri
;
3493 /* look for neighbor in tables */
3494 if ((table
= rn
->info
) != NULL
)
3496 for (rm
= bgp_table_top (table
); rm
; rm
= bgp_route_next (rm
))
3497 for (ri
= rm
->info
; ri
; ri
= ri
->next
)
3498 if (ri
->peer
== peer
)
3500 if (CHECK_FLAG (ri
->flags
, BGP_INFO_STALE
))
3501 bgp_rib_remove (rm
, ri
, peer
, afi
, safi
);
3509 for (rn
= bgp_table_top (peer
->bgp
->rib
[afi
][safi
]); rn
; rn
= bgp_route_next (rn
))
3510 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
3511 if (ri
->peer
== peer
)
3513 if (CHECK_FLAG (ri
->flags
, BGP_INFO_STALE
))
3514 bgp_rib_remove (rn
, ri
, peer
, afi
, safi
);
3521 bgp_cleanup_table(struct bgp_table
*table
, safi_t safi
)
3523 struct bgp_node
*rn
;
3524 struct bgp_info
*ri
;
3525 struct bgp_info
*next
;
3527 for (rn
= bgp_table_top (table
); rn
; rn
= bgp_route_next (rn
))
3528 for (ri
= rn
->info
; ri
; ri
= next
)
3531 if (CHECK_FLAG (ri
->flags
, BGP_INFO_SELECTED
)
3532 && ri
->type
== ZEBRA_ROUTE_BGP
3533 && (ri
->sub_type
== BGP_ROUTE_NORMAL
||
3534 ri
->sub_type
== BGP_ROUTE_AGGREGATE
))
3537 if (table
->owner
&& table
->owner
->bgp
)
3538 vnc_import_bgp_del_route(table
->owner
->bgp
, &rn
->p
, ri
);
3540 bgp_zebra_withdraw (&rn
->p
, ri
, safi
);
3541 bgp_info_reap (rn
, ri
);
3546 /* Delete all kernel routes. */
3548 bgp_cleanup_routes (struct bgp
*bgp
)
3551 struct bgp_node
*rn
;
3553 for (afi
= AFI_IP
; afi
< AFI_MAX
; ++afi
)
3555 if (afi
== AFI_L2VPN
)
3557 bgp_cleanup_table(bgp
->rib
[afi
][SAFI_UNICAST
], SAFI_UNICAST
);
3559 * VPN and ENCAP and EVPN tables are two-level (RD is top level)
3561 if (afi
!= AFI_L2VPN
)
3564 safi
= SAFI_MPLS_VPN
;
3565 for (rn
= bgp_table_top(bgp
->rib
[afi
][safi
]); rn
;
3566 rn
= bgp_route_next (rn
))
3570 bgp_cleanup_table((struct bgp_table
*)(rn
->info
), safi
);
3571 bgp_table_finish ((struct bgp_table
**)&(rn
->info
));
3573 bgp_unlock_node(rn
);
3577 for (rn
= bgp_table_top(bgp
->rib
[afi
][safi
]); rn
;
3578 rn
= bgp_route_next (rn
))
3582 bgp_cleanup_table((struct bgp_table
*)(rn
->info
), safi
);
3583 bgp_table_finish ((struct bgp_table
**)&(rn
->info
));
3585 bgp_unlock_node(rn
);
3590 for (rn
= bgp_table_top(bgp
->rib
[AFI_L2VPN
][SAFI_EVPN
]); rn
;
3591 rn
= bgp_route_next (rn
))
3595 bgp_cleanup_table((struct bgp_table
*)(rn
->info
), SAFI_EVPN
);
3596 bgp_table_finish ((struct bgp_table
**)&(rn
->info
));
3598 bgp_unlock_node(rn
);
3607 bgp_zclient_reset ();
3608 access_list_reset ();
3609 prefix_list_reset ();
3613 bgp_addpath_encode_rx (struct peer
*peer
, afi_t afi
, safi_t safi
)
3615 return (CHECK_FLAG (peer
->af_cap
[afi
][safi
], PEER_CAP_ADDPATH_AF_RX_ADV
) &&
3616 CHECK_FLAG (peer
->af_cap
[afi
][safi
], PEER_CAP_ADDPATH_AF_TX_RCV
));
3619 /* Parse NLRI stream. Withdraw NLRI is recognized by NULL attr
3622 bgp_nlri_parse_ip (struct peer
*peer
, struct attr
*attr
,
3623 struct bgp_nlri
*packet
)
3632 int addpath_encoded
;
3633 u_int32_t addpath_id
;
3635 /* Check peer status. */
3636 if (peer
->status
!= Established
)
3640 lim
= pnt
+ packet
->length
;
3642 safi
= packet
->safi
;
3644 addpath_encoded
= bgp_addpath_encode_rx (peer
, afi
, safi
);
3646 /* RFC4771 6.3 The NLRI field in the UPDATE message is checked for
3647 syntactic validity. If the field is syntactically incorrect,
3648 then the Error Subcode is set to Invalid Network Field. */
3649 for (; pnt
< lim
; pnt
+= psize
)
3651 /* Clear prefix structure. */
3652 memset (&p
, 0, sizeof (struct prefix
));
3654 if (addpath_encoded
)
3657 /* When packet overflow occurs return immediately. */
3658 if (pnt
+ BGP_ADDPATH_ID_LEN
> lim
)
3661 addpath_id
= ntohl(*((uint32_t*) pnt
));
3662 pnt
+= BGP_ADDPATH_ID_LEN
;
3665 /* Fetch prefix length. */
3666 p
.prefixlen
= *pnt
++;
3667 /* afi/safi validity already verified by caller, bgp_update_receive */
3668 p
.family
= afi2family (afi
);
3670 /* Prefix length check. */
3671 if (p
.prefixlen
> prefix_blen (&p
) * 8)
3673 zlog_err("%s [Error] Update packet error (wrong perfix length %d for afi %u)",
3674 peer
->host
, p
.prefixlen
, packet
->afi
);
3678 /* Packet size overflow check. */
3679 psize
= PSIZE (p
.prefixlen
);
3681 /* When packet overflow occur return immediately. */
3682 if (pnt
+ psize
> lim
)
3684 zlog_err("%s [Error] Update packet error (prefix length %d overflows packet)",
3685 peer
->host
, p
.prefixlen
);
3689 /* Defensive coding, double-check the psize fits in a struct prefix */
3690 if (psize
> (ssize_t
) sizeof(p
.u
))
3692 zlog_err("%s [Error] Update packet error (prefix length %d too large for prefix storage %zu)",
3693 peer
->host
, p
.prefixlen
, sizeof(p
.u
));
3697 /* Fetch prefix from NLRI packet. */
3698 memcpy (&p
.u
.prefix
, pnt
, psize
);
3700 /* Check address. */
3701 if (afi
== AFI_IP
&& safi
== SAFI_UNICAST
)
3703 if (IN_CLASSD (ntohl (p
.u
.prefix4
.s_addr
)))
3705 /* From RFC4271 Section 6.3:
3707 * If a prefix in the NLRI field is semantically incorrect
3708 * (e.g., an unexpected multicast IP address), an error SHOULD
3709 * be logged locally, and the prefix SHOULD be ignored.
3711 zlog_err ("%s: IPv4 unicast NLRI is multicast address %s, ignoring",
3712 peer
->host
, inet_ntoa (p
.u
.prefix4
));
3717 /* Check address. */
3718 if (afi
== AFI_IP6
&& safi
== SAFI_UNICAST
)
3720 if (IN6_IS_ADDR_LINKLOCAL (&p
.u
.prefix6
))
3724 zlog_err ("%s: IPv6 unicast NLRI is link-local address %s, ignoring",
3725 peer
->host
, inet_ntop (AF_INET6
, &p
.u
.prefix6
, buf
, BUFSIZ
));
3729 if (IN6_IS_ADDR_MULTICAST (&p
.u
.prefix6
))
3733 zlog_err ("%s: IPv6 unicast NLRI is multicast address %s, ignoring",
3734 peer
->host
, inet_ntop (AF_INET6
, &p
.u
.prefix6
, buf
, BUFSIZ
));
3740 /* Normal process. */
3742 ret
= bgp_update (peer
, &p
, addpath_id
, attr
, afi
, safi
,
3743 ZEBRA_ROUTE_BGP
, BGP_ROUTE_NORMAL
, NULL
, NULL
, 0, NULL
);
3745 ret
= bgp_withdraw (peer
, &p
, addpath_id
, attr
, afi
, safi
,
3746 ZEBRA_ROUTE_BGP
, BGP_ROUTE_NORMAL
, NULL
, NULL
, NULL
);
3748 /* Address family configuration mismatch or maximum-prefix count
3754 /* Packet length consistency check. */
3757 zlog_err ("%s [Error] Update packet error (prefix length mismatch with total length)",
3765 static struct bgp_static
*
3766 bgp_static_new (void)
3768 return XCALLOC (MTYPE_BGP_STATIC
, sizeof (struct bgp_static
));
3772 bgp_static_free (struct bgp_static
*bgp_static
)
3774 if (bgp_static
->rmap
.name
)
3775 XFREE(MTYPE_ROUTE_MAP_NAME
, bgp_static
->rmap
.name
);
3776 if(bgp_static
->eth_s_id
)
3777 XFREE(MTYPE_ATTR
, bgp_static
->eth_s_id
);
3778 XFREE (MTYPE_BGP_STATIC
, bgp_static
);
3782 bgp_static_update (struct bgp
*bgp
, struct prefix
*p
,
3783 struct bgp_static
*bgp_static
, afi_t afi
, safi_t safi
)
3785 struct bgp_node
*rn
;
3786 struct bgp_info
*ri
;
3787 struct bgp_info
*new;
3788 struct bgp_info info
;
3790 struct attr
*attr_new
;
3793 int vnc_implicit_withdraw
= 0;
3796 assert (bgp_static
);
3800 rn
= bgp_afi_node_get (bgp
->rib
[afi
][safi
], afi
, safi
, p
, NULL
);
3802 bgp_attr_default_set (&attr
, BGP_ORIGIN_IGP
);
3804 attr
.nexthop
= bgp_static
->igpnexthop
;
3805 attr
.med
= bgp_static
->igpmetric
;
3806 attr
.flag
|= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC
);
3808 if (bgp_static
->atomic
)
3809 attr
.flag
|= ATTR_FLAG_BIT (BGP_ATTR_ATOMIC_AGGREGATE
);
3811 /* Store label index, if required. */
3812 if (bgp_static
->label_index
!= BGP_INVALID_LABEL_INDEX
)
3814 (bgp_attr_extra_get (&attr
))->label_index
= bgp_static
->label_index
;
3815 attr
.flag
|= ATTR_FLAG_BIT (BGP_ATTR_PREFIX_SID
);
3818 /* Apply route-map. */
3819 if (bgp_static
->rmap
.name
)
3821 struct attr attr_tmp
= attr
;
3822 info
.peer
= bgp
->peer_self
;
3823 info
.attr
= &attr_tmp
;
3825 SET_FLAG (bgp
->peer_self
->rmap_type
, PEER_RMAP_TYPE_NETWORK
);
3827 ret
= route_map_apply (bgp_static
->rmap
.map
, p
, RMAP_BGP
, &info
);
3829 bgp
->peer_self
->rmap_type
= 0;
3831 if (ret
== RMAP_DENYMATCH
)
3833 /* Free uninterned attribute. */
3834 bgp_attr_flush (&attr_tmp
);
3836 /* Unintern original. */
3837 aspath_unintern (&attr
.aspath
);
3838 bgp_attr_extra_free (&attr
);
3839 bgp_static_withdraw (bgp
, p
, afi
, safi
);
3842 attr_new
= bgp_attr_intern (&attr_tmp
);
3845 attr_new
= bgp_attr_intern (&attr
);
3847 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
3848 if (ri
->peer
== bgp
->peer_self
&& ri
->type
== ZEBRA_ROUTE_BGP
3849 && ri
->sub_type
== BGP_ROUTE_STATIC
)
3854 if (attrhash_cmp (ri
->attr
, attr_new
) &&
3855 !CHECK_FLAG(ri
->flags
, BGP_INFO_REMOVED
) &&
3856 !bgp_flag_check(bgp
, BGP_FLAG_FORCE_STATIC_PROCESS
))
3858 bgp_unlock_node (rn
);
3859 bgp_attr_unintern (&attr_new
);
3860 aspath_unintern (&attr
.aspath
);
3861 bgp_attr_extra_free (&attr
);
3866 /* The attribute is changed. */
3867 bgp_info_set_flag (rn
, ri
, BGP_INFO_ATTR_CHANGED
);
3869 /* Rewrite BGP route information. */
3870 if (CHECK_FLAG(ri
->flags
, BGP_INFO_REMOVED
))
3871 bgp_info_restore(rn
, ri
);
3873 bgp_aggregate_decrement (bgp
, p
, ri
, afi
, safi
);
3875 if ((afi
== AFI_IP
|| afi
== AFI_IP6
) && (safi
== SAFI_UNICAST
))
3877 if (CHECK_FLAG (ri
->flags
, BGP_INFO_SELECTED
))
3880 * Implicit withdraw case.
3881 * We have to do this before ri is changed
3883 ++vnc_implicit_withdraw
;
3884 vnc_import_bgp_del_route(bgp
, p
, ri
);
3885 vnc_import_bgp_exterior_del_route(bgp
, p
, ri
);
3889 bgp_attr_unintern (&ri
->attr
);
3890 ri
->attr
= attr_new
;
3891 ri
->uptime
= bgp_clock ();
3893 if ((afi
== AFI_IP
|| afi
== AFI_IP6
) && (safi
== SAFI_UNICAST
))
3895 if (vnc_implicit_withdraw
)
3897 vnc_import_bgp_add_route(bgp
, p
, ri
);
3898 vnc_import_bgp_exterior_add_route(bgp
, p
, ri
);
3903 /* Nexthop reachability check. */
3904 if (bgp_flag_check (bgp
, BGP_FLAG_IMPORT_CHECK
) &&
3905 safi
== SAFI_UNICAST
)
3907 if (bgp_find_or_add_nexthop (bgp
, afi
, ri
, NULL
, 0) &&
3908 safi
== SAFI_UNICAST
)
3909 bgp_info_set_flag (rn
, ri
, BGP_INFO_VALID
);
3912 if (BGP_DEBUG(nht
, NHT
))
3914 char buf1
[INET6_ADDRSTRLEN
];
3915 inet_ntop(p
->family
, &p
->u
.prefix
, buf1
,
3917 zlog_debug("%s(%s): Route not in table, not advertising",
3918 __FUNCTION__
, buf1
);
3920 bgp_info_unset_flag (rn
, ri
, BGP_INFO_VALID
);
3925 /* Delete the NHT structure if any, if we're toggling between
3926 * enabling/disabling import check. We deregister the route
3927 * from NHT to avoid overloading NHT and the process interaction
3929 bgp_unlink_nexthop(ri
);
3930 bgp_info_set_flag (rn
, ri
, BGP_INFO_VALID
);
3932 /* Process change. */
3933 bgp_aggregate_increment (bgp
, p
, ri
, afi
, safi
);
3934 bgp_process (bgp
, rn
, afi
, safi
);
3935 bgp_unlock_node (rn
);
3936 aspath_unintern (&attr
.aspath
);
3937 bgp_attr_extra_free (&attr
);
3942 /* Make new BGP info. */
3943 new = info_make(ZEBRA_ROUTE_BGP
, BGP_ROUTE_STATIC
, 0, bgp
->peer_self
, attr_new
,
3945 /* Nexthop reachability check. */
3946 if (bgp_flag_check (bgp
, BGP_FLAG_IMPORT_CHECK
))
3948 if (bgp_find_or_add_nexthop (bgp
, afi
, new, NULL
, 0))
3949 bgp_info_set_flag (rn
, new, BGP_INFO_VALID
);
3952 if (BGP_DEBUG(nht
, NHT
))
3954 char buf1
[INET6_ADDRSTRLEN
];
3955 inet_ntop(p
->family
, &p
->u
.prefix
, buf1
,
3957 zlog_debug("%s(%s): Route not in table, not advertising",
3958 __FUNCTION__
, buf1
);
3960 bgp_info_unset_flag (rn
, new, BGP_INFO_VALID
);
3965 /* Delete the NHT structure if any, if we're toggling between
3966 * enabling/disabling import check. We deregister the route
3967 * from NHT to avoid overloading NHT and the process interaction
3969 bgp_unlink_nexthop(new);
3971 bgp_info_set_flag (rn
, new, BGP_INFO_VALID
);
3974 /* Aggregate address increment. */
3975 bgp_aggregate_increment (bgp
, p
, new, afi
, safi
);
3977 /* Register new BGP information. */
3978 bgp_info_add (rn
, new);
3980 /* route_node_get lock */
3981 bgp_unlock_node (rn
);
3983 /* Process change. */
3984 bgp_process (bgp
, rn
, afi
, safi
);
3986 /* Unintern original. */
3987 aspath_unintern (&attr
.aspath
);
3988 bgp_attr_extra_free (&attr
);
3992 bgp_static_withdraw (struct bgp
*bgp
, struct prefix
*p
, afi_t afi
,
3995 struct bgp_node
*rn
;
3996 struct bgp_info
*ri
;
3998 rn
= bgp_afi_node_get (bgp
->rib
[afi
][safi
], afi
, safi
, p
, NULL
);
4000 /* Check selected route and self inserted route. */
4001 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
4002 if (ri
->peer
== bgp
->peer_self
4003 && ri
->type
== ZEBRA_ROUTE_BGP
4004 && ri
->sub_type
== BGP_ROUTE_STATIC
)
4007 /* Withdraw static BGP route from routing table. */
4010 bgp_aggregate_decrement (bgp
, p
, ri
, afi
, safi
);
4011 bgp_unlink_nexthop(ri
);
4012 bgp_info_delete (rn
, ri
);
4013 bgp_process (bgp
, rn
, afi
, safi
);
4016 /* Unlock bgp_node_lookup. */
4017 bgp_unlock_node (rn
);
4021 * Used for SAFI_MPLS_VPN and SAFI_ENCAP
4024 bgp_static_withdraw_safi (struct bgp
*bgp
, struct prefix
*p
, afi_t afi
,
4025 safi_t safi
, struct prefix_rd
*prd
, u_char
*tag
)
4027 struct bgp_node
*rn
;
4028 struct bgp_info
*ri
;
4030 rn
= bgp_afi_node_get (bgp
->rib
[afi
][safi
], afi
, safi
, p
, prd
);
4032 /* Check selected route and self inserted route. */
4033 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
4034 if (ri
->peer
== bgp
->peer_self
4035 && ri
->type
== ZEBRA_ROUTE_BGP
4036 && ri
->sub_type
== BGP_ROUTE_STATIC
)
4039 /* Withdraw static BGP route from routing table. */
4043 rfapiProcessWithdraw(
4052 1); /* Kill, since it is an administrative change */
4054 bgp_aggregate_decrement (bgp
, p
, ri
, afi
, safi
);
4055 bgp_info_delete (rn
, ri
);
4056 bgp_process (bgp
, rn
, afi
, safi
);
4059 /* Unlock bgp_node_lookup. */
4060 bgp_unlock_node (rn
);
4064 bgp_static_update_safi (struct bgp
*bgp
, struct prefix
*p
,
4065 struct bgp_static
*bgp_static
, afi_t afi
, safi_t safi
)
4067 struct bgp_node
*rn
;
4068 struct bgp_info
*new;
4069 struct attr
*attr_new
;
4070 struct attr attr
= { 0 };
4071 struct bgp_info
*ri
;
4073 u_int32_t label
= 0;
4077 assert (bgp_static
);
4079 rn
= bgp_afi_node_get (bgp
->rib
[afi
][safi
], afi
, safi
, p
, &bgp_static
->prd
);
4081 bgp_attr_default_set (&attr
, BGP_ORIGIN_IGP
);
4083 attr
.nexthop
= bgp_static
->igpnexthop
;
4084 attr
.med
= bgp_static
->igpmetric
;
4085 attr
.flag
|= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC
);
4087 if ((safi
== SAFI_EVPN
) || (safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_ENCAP
))
4089 if (bgp_static
->igpnexthop
.s_addr
)
4091 bgp_attr_extra_get (&attr
)->mp_nexthop_global_in
= bgp_static
->igpnexthop
;
4092 bgp_attr_extra_get (&attr
)->mp_nexthop_len
= IPV4_MAX_BYTELEN
;
4095 if(afi
== AFI_L2VPN
)
4097 if (bgp_static
->gatewayIp
.family
== AF_INET
)
4098 add
.ipv4
.s_addr
= bgp_static
->gatewayIp
.u
.prefix4
.s_addr
;
4099 else if (bgp_static
->gatewayIp
.family
== AF_INET6
)
4100 memcpy( &(add
.ipv6
), &(bgp_static
->gatewayIp
.u
.prefix6
), sizeof (struct in6_addr
));
4101 overlay_index_update(&attr
, bgp_static
->eth_s_id
, &add
);
4102 if (bgp_static
->encap_tunneltype
== BGP_ENCAP_TYPE_VXLAN
)
4104 struct bgp_encap_type_vxlan bet
;
4105 memset(&bet
, 0, sizeof(struct bgp_encap_type_vxlan
));
4106 bet
.vnid
= p
->u
.prefix_evpn
.eth_tag
;
4107 bgp_encap_type_vxlan_to_tlv(&bet
, &attr
);
4109 if (bgp_static
->router_mac
)
4111 bgp_add_routermac_ecom (&attr
, bgp_static
->router_mac
);
4114 /* Apply route-map. */
4115 if (bgp_static
->rmap
.name
)
4117 struct attr attr_tmp
= attr
;
4118 struct bgp_info info
;
4121 info
.peer
= bgp
->peer_self
;
4122 info
.attr
= &attr_tmp
;
4124 SET_FLAG (bgp
->peer_self
->rmap_type
, PEER_RMAP_TYPE_NETWORK
);
4126 ret
= route_map_apply (bgp_static
->rmap
.map
, p
, RMAP_BGP
, &info
);
4128 bgp
->peer_self
->rmap_type
= 0;
4130 if (ret
== RMAP_DENYMATCH
)
4132 /* Free uninterned attribute. */
4133 bgp_attr_flush (&attr_tmp
);
4135 /* Unintern original. */
4136 aspath_unintern (&attr
.aspath
);
4137 bgp_attr_extra_free (&attr
);
4138 bgp_static_withdraw_safi (bgp
, p
, afi
, safi
, &bgp_static
->prd
,
4143 attr_new
= bgp_attr_intern (&attr_tmp
);
4147 attr_new
= bgp_attr_intern (&attr
);
4150 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
4151 if (ri
->peer
== bgp
->peer_self
&& ri
->type
== ZEBRA_ROUTE_BGP
4152 && ri
->sub_type
== BGP_ROUTE_STATIC
)
4158 memset(&add
, 0, sizeof(union gw_addr
));
4159 if (attrhash_cmp (ri
->attr
, attr_new
) &&
4160 overlay_index_equal(afi
, ri
, bgp_static
->eth_s_id
, &add
) &&
4161 !CHECK_FLAG(ri
->flags
, BGP_INFO_REMOVED
))
4163 bgp_unlock_node (rn
);
4164 bgp_attr_unintern (&attr_new
);
4165 aspath_unintern (&attr
.aspath
);
4166 bgp_attr_extra_free (&attr
);
4171 /* The attribute is changed. */
4172 bgp_info_set_flag (rn
, ri
, BGP_INFO_ATTR_CHANGED
);
4174 /* Rewrite BGP route information. */
4175 if (CHECK_FLAG(ri
->flags
, BGP_INFO_REMOVED
))
4176 bgp_info_restore(rn
, ri
);
4178 bgp_aggregate_decrement (bgp
, p
, ri
, afi
, safi
);
4179 bgp_attr_unintern (&ri
->attr
);
4180 ri
->attr
= attr_new
;
4181 ri
->uptime
= bgp_clock ();
4184 label
= decode_label (ri
->extra
->tag
);
4187 /* Process change. */
4188 bgp_aggregate_increment (bgp
, p
, ri
, afi
, safi
);
4189 bgp_process (bgp
, rn
, afi
, safi
);
4191 rfapiProcessUpdate(ri
->peer
, NULL
, p
, &bgp_static
->prd
,
4192 ri
->attr
, afi
, safi
,
4193 ri
->type
, ri
->sub_type
, &label
);
4195 bgp_unlock_node (rn
);
4196 aspath_unintern (&attr
.aspath
);
4197 bgp_attr_extra_free (&attr
);
4203 /* Make new BGP info. */
4204 new = info_make(ZEBRA_ROUTE_BGP
, BGP_ROUTE_STATIC
, 0, bgp
->peer_self
, attr_new
,
4206 SET_FLAG (new->flags
, BGP_INFO_VALID
);
4207 new->extra
= bgp_info_extra_new();
4208 memcpy (new->extra
->tag
, bgp_static
->tag
, 3);
4210 label
= decode_label (bgp_static
->tag
);
4213 /* Aggregate address increment. */
4214 bgp_aggregate_increment (bgp
, p
, new, afi
, safi
);
4216 /* Register new BGP information. */
4217 bgp_info_add (rn
, new);
4218 /* route_node_get lock */
4219 bgp_unlock_node (rn
);
4221 /* Process change. */
4222 bgp_process (bgp
, rn
, afi
, safi
);
4225 rfapiProcessUpdate(new->peer
, NULL
, p
, &bgp_static
->prd
,
4226 new->attr
, afi
, safi
,
4227 new->type
, new->sub_type
, &label
);
4230 /* Unintern original. */
4231 aspath_unintern (&attr
.aspath
);
4232 bgp_attr_extra_free (&attr
);
4235 /* Configure static BGP network. When user don't run zebra, static
4236 route should be installed as valid. */
4238 bgp_static_set (struct vty
*vty
, const char *ip_str
,
4239 afi_t afi
, safi_t safi
, const char *rmap
, int backdoor
,
4240 u_int32_t label_index
)
4242 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
4245 struct bgp_static
*bgp_static
;
4246 struct bgp_node
*rn
;
4247 u_char need_update
= 0;
4249 /* Convert IP prefix string to struct prefix. */
4250 ret
= str2prefix (ip_str
, &p
);
4253 vty_out (vty
, "%% Malformed prefix%s", VTY_NEWLINE
);
4256 if (afi
== AFI_IP6
&& IN6_IS_ADDR_LINKLOCAL (&p
.u
.prefix6
))
4258 vty_out (vty
, "%% Malformed prefix (link-local address)%s",
4265 /* Set BGP static route configuration. */
4266 rn
= bgp_node_get (bgp
->route
[afi
][safi
], &p
);
4270 /* Configuration change. */
4271 bgp_static
= rn
->info
;
4273 /* Label index cannot be changed. */
4274 if (bgp_static
->label_index
!= label_index
)
4276 vty_out (vty
, "%% Label index cannot be changed%s", VTY_NEWLINE
);
4280 /* Check previous routes are installed into BGP. */
4281 if (bgp_static
->valid
&& bgp_static
->backdoor
!= backdoor
)
4284 bgp_static
->backdoor
= backdoor
;
4288 if (bgp_static
->rmap
.name
)
4289 XFREE(MTYPE_ROUTE_MAP_NAME
, bgp_static
->rmap
.name
);
4290 bgp_static
->rmap
.name
= XSTRDUP(MTYPE_ROUTE_MAP_NAME
, rmap
);
4291 bgp_static
->rmap
.map
= route_map_lookup_by_name (rmap
);
4295 if (bgp_static
->rmap
.name
)
4296 XFREE(MTYPE_ROUTE_MAP_NAME
, bgp_static
->rmap
.name
);
4297 bgp_static
->rmap
.name
= NULL
;
4298 bgp_static
->rmap
.map
= NULL
;
4299 bgp_static
->valid
= 0;
4301 bgp_unlock_node (rn
);
4305 /* New configuration. */
4306 bgp_static
= bgp_static_new ();
4307 bgp_static
->backdoor
= backdoor
;
4308 bgp_static
->valid
= 0;
4309 bgp_static
->igpmetric
= 0;
4310 bgp_static
->igpnexthop
.s_addr
= 0;
4311 bgp_static
->label_index
= label_index
;
4315 if (bgp_static
->rmap
.name
)
4316 XFREE(MTYPE_ROUTE_MAP_NAME
, bgp_static
->rmap
.name
);
4317 bgp_static
->rmap
.name
= XSTRDUP(MTYPE_ROUTE_MAP_NAME
, rmap
);
4318 bgp_static
->rmap
.map
= route_map_lookup_by_name (rmap
);
4320 rn
->info
= bgp_static
;
4323 bgp_static
->valid
= 1;
4325 bgp_static_withdraw (bgp
, &p
, afi
, safi
);
4327 if (! bgp_static
->backdoor
)
4328 bgp_static_update (bgp
, &p
, bgp_static
, afi
, safi
);
4333 /* Configure static BGP network. */
4335 bgp_static_unset (struct vty
*vty
, const char *ip_str
,
4336 afi_t afi
, safi_t safi
)
4338 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
4341 struct bgp_static
*bgp_static
;
4342 struct bgp_node
*rn
;
4344 /* Convert IP prefix string to struct prefix. */
4345 ret
= str2prefix (ip_str
, &p
);
4348 vty_out (vty
, "%% Malformed prefix%s", VTY_NEWLINE
);
4351 if (afi
== AFI_IP6
&& IN6_IS_ADDR_LINKLOCAL (&p
.u
.prefix6
))
4353 vty_out (vty
, "%% Malformed prefix (link-local address)%s",
4360 rn
= bgp_node_lookup (bgp
->route
[afi
][safi
], &p
);
4363 vty_out (vty
, "%% Can't find specified static route configuration.%s",
4368 bgp_static
= rn
->info
;
4370 /* Update BGP RIB. */
4371 if (! bgp_static
->backdoor
)
4372 bgp_static_withdraw (bgp
, &p
, afi
, safi
);
4374 /* Clear configuration. */
4375 bgp_static_free (bgp_static
);
4377 bgp_unlock_node (rn
);
4378 bgp_unlock_node (rn
);
4384 bgp_static_add (struct bgp
*bgp
)
4388 struct bgp_node
*rn
;
4389 struct bgp_node
*rm
;
4390 struct bgp_table
*table
;
4391 struct bgp_static
*bgp_static
;
4393 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
4394 for (safi
= SAFI_UNICAST
; safi
< SAFI_MAX
; safi
++)
4395 for (rn
= bgp_table_top (bgp
->route
[afi
][safi
]); rn
; rn
= bgp_route_next (rn
))
4396 if (rn
->info
!= NULL
)
4398 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_ENCAP
) || (safi
== SAFI_EVPN
))
4402 for (rm
= bgp_table_top (table
); rm
; rm
= bgp_route_next (rm
))
4404 bgp_static
= rm
->info
;
4405 bgp_static_update_safi (bgp
, &rm
->p
, bgp_static
, afi
, safi
);
4410 bgp_static_update (bgp
, &rn
->p
, rn
->info
, afi
, safi
);
4415 /* Called from bgp_delete(). Delete all static routes from the BGP
4418 bgp_static_delete (struct bgp
*bgp
)
4422 struct bgp_node
*rn
;
4423 struct bgp_node
*rm
;
4424 struct bgp_table
*table
;
4425 struct bgp_static
*bgp_static
;
4427 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
4428 for (safi
= SAFI_UNICAST
; safi
< SAFI_MAX
; safi
++)
4429 for (rn
= bgp_table_top (bgp
->route
[afi
][safi
]); rn
; rn
= bgp_route_next (rn
))
4430 if (rn
->info
!= NULL
)
4432 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_ENCAP
) || (safi
== SAFI_EVPN
))
4436 for (rm
= bgp_table_top (table
); rm
; rm
= bgp_route_next (rm
))
4438 bgp_static
= rm
->info
;
4439 bgp_static_withdraw_safi (bgp
, &rm
->p
,
4441 (struct prefix_rd
*)&rn
->p
,
4443 bgp_static_free (bgp_static
);
4445 bgp_unlock_node (rn
);
4450 bgp_static
= rn
->info
;
4451 bgp_static_withdraw (bgp
, &rn
->p
, afi
, safi
);
4452 bgp_static_free (bgp_static
);
4454 bgp_unlock_node (rn
);
4460 bgp_static_redo_import_check (struct bgp
*bgp
)
4464 struct bgp_node
*rn
;
4465 struct bgp_node
*rm
;
4466 struct bgp_table
*table
;
4467 struct bgp_static
*bgp_static
;
4469 /* Use this flag to force reprocessing of the route */
4470 bgp_flag_set(bgp
, BGP_FLAG_FORCE_STATIC_PROCESS
);
4471 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
4472 for (safi
= SAFI_UNICAST
; safi
< SAFI_MAX
; safi
++)
4473 for (rn
= bgp_table_top (bgp
->route
[afi
][safi
]); rn
; rn
= bgp_route_next (rn
))
4474 if (rn
->info
!= NULL
)
4476 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_ENCAP
) || (safi
== SAFI_EVPN
))
4480 for (rm
= bgp_table_top (table
); rm
; rm
= bgp_route_next (rm
))
4482 bgp_static
= rm
->info
;
4483 bgp_static_update_safi (bgp
, &rm
->p
, bgp_static
, afi
, safi
);
4488 bgp_static
= rn
->info
;
4489 bgp_static_update (bgp
, &rn
->p
, bgp_static
, afi
, safi
);
4492 bgp_flag_unset(bgp
, BGP_FLAG_FORCE_STATIC_PROCESS
);
4496 bgp_purge_af_static_redist_routes (struct bgp
*bgp
, afi_t afi
, safi_t safi
)
4498 struct bgp_table
*table
;
4499 struct bgp_node
*rn
;
4500 struct bgp_info
*ri
;
4502 table
= bgp
->rib
[afi
][safi
];
4503 for (rn
= bgp_table_top (table
); rn
; rn
= bgp_route_next (rn
))
4505 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
4507 if (ri
->peer
== bgp
->peer_self
&&
4508 ((ri
->type
== ZEBRA_ROUTE_BGP
&&
4509 ri
->sub_type
== BGP_ROUTE_STATIC
) ||
4510 (ri
->type
!= ZEBRA_ROUTE_BGP
&&
4511 ri
->sub_type
== BGP_ROUTE_REDISTRIBUTE
)))
4513 bgp_aggregate_decrement (bgp
, &rn
->p
, ri
, afi
, safi
);
4514 bgp_unlink_nexthop(ri
);
4515 bgp_info_delete (rn
, ri
);
4516 bgp_process (bgp
, rn
, afi
, safi
);
4523 * Purge all networks and redistributed routes from routing table.
4524 * Invoked upon the instance going down.
4527 bgp_purge_static_redist_routes (struct bgp
*bgp
)
4532 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
4533 for (safi
= SAFI_UNICAST
; safi
< SAFI_MAX
; safi
++)
4534 bgp_purge_af_static_redist_routes (bgp
, afi
, safi
);
4539 * Currently this is used to set static routes for VPN and ENCAP.
4540 * I think it can probably be factored with bgp_static_set.
4543 bgp_static_set_safi (afi_t afi
, safi_t safi
, struct vty
*vty
, const char *ip_str
,
4544 const char *rd_str
, const char *tag_str
,
4545 const char *rmap_str
, int evpn_type
, const char *esi
, const char *gwip
,
4546 const char *ethtag
, const char *routermac
)
4548 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
4551 struct prefix_rd prd
;
4552 struct bgp_node
*prn
;
4553 struct bgp_node
*rn
;
4554 struct bgp_table
*table
;
4555 struct bgp_static
*bgp_static
;
4557 struct prefix gw_ip
;
4559 /* validate ip prefix */
4560 ret
= str2prefix (ip_str
, &p
);
4563 vty_out (vty
, "%% Malformed prefix%s", VTY_NEWLINE
);
4567 if ( (afi
== AFI_L2VPN
) &&
4568 (bgp_build_evpn_prefix ( evpn_type
, ethtag
!=NULL
?atol(ethtag
):0, &p
)))
4570 vty_out (vty
, "%% L2VPN prefix could not be forged%s", VTY_NEWLINE
);
4574 ret
= str2prefix_rd (rd_str
, &prd
);
4577 vty_out (vty
, "%% Malformed rd%s", VTY_NEWLINE
);
4583 ret
= str2tag (tag_str
, tag
);
4586 vty_out (vty
, "%% Malformed tag%s", VTY_NEWLINE
);
4592 encode_label (0, tag
);
4594 if (safi
== SAFI_EVPN
)
4596 if( esi
&& str2esi (esi
, NULL
) == 0)
4598 vty_out (vty
, "%% Malformed ESI%s", VTY_NEWLINE
);
4601 if( routermac
&& prefix_str2mac (routermac
, NULL
) == 0)
4603 vty_out (vty
, "%% Malformed Router MAC%s", VTY_NEWLINE
);
4608 memset (&gw_ip
, 0, sizeof (struct prefix
));
4609 ret
= str2prefix (gwip
, &gw_ip
);
4612 vty_out (vty
, "%% Malformed GatewayIp%s", VTY_NEWLINE
);
4615 if((gw_ip
.family
== AF_INET
&& (p
.u
.prefix_evpn
.flags
& IP_PREFIX_V6
))
4616 || (gw_ip
.family
== AF_INET6
&& (p
.u
.prefix_evpn
.flags
& IP_PREFIX_V4
)))
4618 vty_out (vty
, "%% GatewayIp family differs with IP prefix%s", VTY_NEWLINE
);
4623 prn
= bgp_node_get (bgp
->route
[afi
][safi
],
4624 (struct prefix
*)&prd
);
4625 if (prn
->info
== NULL
)
4626 prn
->info
= bgp_table_init (afi
, safi
);
4628 bgp_unlock_node (prn
);
4631 rn
= bgp_node_get (table
, &p
);
4635 vty_out (vty
, "%% Same network configuration exists%s", VTY_NEWLINE
);
4636 bgp_unlock_node (rn
);
4640 /* New configuration. */
4641 bgp_static
= bgp_static_new ();
4642 bgp_static
->backdoor
= 0;
4643 bgp_static
->valid
= 0;
4644 bgp_static
->igpmetric
= 0;
4645 bgp_static
->igpnexthop
.s_addr
= 0;
4646 memcpy(bgp_static
->tag
, tag
, 3);
4647 bgp_static
->prd
= prd
;
4651 if (bgp_static
->rmap
.name
)
4652 free (bgp_static
->rmap
.name
);
4653 bgp_static
->rmap
.name
= strdup (rmap_str
);
4654 bgp_static
->rmap
.map
= route_map_lookup_by_name (rmap_str
);
4657 if (safi
== SAFI_EVPN
)
4661 bgp_static
->eth_s_id
= XCALLOC (MTYPE_ATTR
, sizeof(struct eth_segment_id
));
4662 str2esi (esi
, bgp_static
->eth_s_id
);
4666 bgp_static
->router_mac
= XCALLOC (MTYPE_ATTR
, ETHER_ADDR_LEN
+1);
4667 prefix_str2mac (routermac
, bgp_static
->router_mac
);
4670 prefix_copy (&bgp_static
->gatewayIp
, &gw_ip
);
4672 rn
->info
= bgp_static
;
4674 bgp_static
->valid
= 1;
4675 bgp_static_update_safi (bgp
, &p
, bgp_static
, afi
, safi
);
4681 /* Configure static BGP network. */
4683 bgp_static_unset_safi(afi_t afi
, safi_t safi
, struct vty
*vty
, const char *ip_str
,
4684 const char *rd_str
, const char *tag_str
,
4685 int evpn_type
, const char *esi
, const char *gwip
, const char *ethtag
)
4687 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
4690 struct prefix_rd prd
;
4691 struct bgp_node
*prn
;
4692 struct bgp_node
*rn
;
4693 struct bgp_table
*table
;
4694 struct bgp_static
*bgp_static
;
4697 /* Convert IP prefix string to struct prefix. */
4698 ret
= str2prefix (ip_str
, &p
);
4701 vty_out (vty
, "%% Malformed prefix%s", VTY_NEWLINE
);
4705 if ( (afi
== AFI_L2VPN
) &&
4706 (bgp_build_evpn_prefix ( evpn_type
, ethtag
!=NULL
?atol(ethtag
):0, &p
)))
4708 vty_out (vty
, "%% L2VPN prefix could not be forged%s", VTY_NEWLINE
);
4711 ret
= str2prefix_rd (rd_str
, &prd
);
4714 vty_out (vty
, "%% Malformed rd%s", VTY_NEWLINE
);
4718 ret
= str2tag (tag_str
, tag
);
4721 vty_out (vty
, "%% Malformed tag%s", VTY_NEWLINE
);
4725 prn
= bgp_node_get (bgp
->route
[afi
][safi
],
4726 (struct prefix
*)&prd
);
4727 if (prn
->info
== NULL
)
4728 prn
->info
= bgp_table_init (afi
, safi
);
4730 bgp_unlock_node (prn
);
4733 rn
= bgp_node_lookup (table
, &p
);
4737 bgp_static_withdraw_safi (bgp
, &p
, afi
, safi
, &prd
, tag
);
4739 bgp_static
= rn
->info
;
4740 bgp_static_free (bgp_static
);
4742 bgp_unlock_node (rn
);
4743 bgp_unlock_node (rn
);
4746 vty_out (vty
, "%% Can't find the route%s", VTY_NEWLINE
);
4752 bgp_table_map_set (struct vty
*vty
, afi_t afi
, safi_t safi
,
4753 const char *rmap_name
)
4755 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
4756 struct bgp_rmap
*rmap
;
4758 rmap
= &bgp
->table_map
[afi
][safi
];
4762 XFREE(MTYPE_ROUTE_MAP_NAME
, rmap
->name
);
4763 rmap
->name
= XSTRDUP(MTYPE_ROUTE_MAP_NAME
, rmap_name
);
4764 rmap
->map
= route_map_lookup_by_name (rmap_name
);
4769 XFREE(MTYPE_ROUTE_MAP_NAME
, rmap
->name
);
4774 bgp_zebra_announce_table(bgp
, afi
, safi
);
4780 bgp_table_map_unset (struct vty
*vty
, afi_t afi
, safi_t safi
,
4781 const char *rmap_name
)
4783 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
4784 struct bgp_rmap
*rmap
;
4786 rmap
= &bgp
->table_map
[afi
][safi
];
4788 XFREE(MTYPE_ROUTE_MAP_NAME
, rmap
->name
);
4792 bgp_zebra_announce_table(bgp
, afi
, safi
);
4798 bgp_config_write_table_map (struct vty
*vty
, struct bgp
*bgp
, afi_t afi
,
4799 safi_t safi
, int *write
)
4801 if (bgp
->table_map
[afi
][safi
].name
)
4803 bgp_config_write_family_header (vty
, afi
, safi
, write
);
4804 vty_out (vty
, " table-map %s%s",
4805 bgp
->table_map
[afi
][safi
].name
, VTY_NEWLINE
);
4811 DEFUN (bgp_table_map
,
4814 "BGP table to RIB route download filter\n"
4815 "Name of the route map\n")
4818 return bgp_table_map_set (vty
,
4819 bgp_node_afi (vty
), bgp_node_safi (vty
), argv
[idx_word
]->arg
);
4821 DEFUN (no_bgp_table_map
,
4822 no_bgp_table_map_cmd
,
4823 "no table-map WORD",
4825 "BGP table to RIB route download filter\n"
4826 "Name of the route map\n")
4829 return bgp_table_map_unset (vty
,
4830 bgp_node_afi (vty
), bgp_node_safi (vty
), argv
[idx_word
]->arg
);
4835 "network A.B.C.D/M",
4836 "Specify a network to announce via BGP\n"
4839 int idx_ipv4_prefixlen
= 1;
4840 return bgp_static_set (vty
, argv
[idx_ipv4_prefixlen
]->arg
,
4841 AFI_IP
, bgp_node_safi (vty
), NULL
, 0,
4842 BGP_INVALID_LABEL_INDEX
);
4845 DEFUN (bgp_network_route_map
,
4846 bgp_network_route_map_cmd
,
4847 "network A.B.C.D/M route-map WORD",
4848 "Specify a network to announce via BGP\n"
4850 "Route-map to modify the attributes\n"
4851 "Name of the route map\n")
4853 int idx_ipv4_prefixlen
= 1;
4855 return bgp_static_set (vty
, argv
[idx_ipv4_prefixlen
]->arg
,
4856 AFI_IP
, bgp_node_safi (vty
), argv
[idx_word
]->arg
, 0,
4857 BGP_INVALID_LABEL_INDEX
);
4860 DEFUN (bgp_network_backdoor
,
4861 bgp_network_backdoor_cmd
,
4862 "network A.B.C.D/M backdoor",
4863 "Specify a network to announce via BGP\n"
4865 "Specify a BGP backdoor route\n")
4867 int idx_ipv4_prefixlen
= 1;
4868 return bgp_static_set (vty
, argv
[idx_ipv4_prefixlen
]->arg
, AFI_IP
, SAFI_UNICAST
,
4869 NULL
, 1, BGP_INVALID_LABEL_INDEX
);
4872 DEFUN (bgp_network_mask
,
4873 bgp_network_mask_cmd
,
4874 "network A.B.C.D mask A.B.C.D",
4875 "Specify a network to announce via BGP\n"
4883 char prefix_str
[BUFSIZ
];
4885 ret
= netmask_str2prefix_str (argv
[idx_ipv4
]->arg
, argv
[idx_ipv4_2
]->arg
, prefix_str
);
4888 vty_out (vty
, "%% Inconsistent address and mask%s", VTY_NEWLINE
);
4892 return bgp_static_set (vty
, prefix_str
,
4893 AFI_IP
, bgp_node_safi (vty
), NULL
, 0, BGP_INVALID_LABEL_INDEX
);
4896 DEFUN (bgp_network_mask_route_map
,
4897 bgp_network_mask_route_map_cmd
,
4898 "network A.B.C.D mask A.B.C.D route-map WORD",
4899 "Specify a network to announce via BGP\n"
4903 "Route-map to modify the attributes\n"
4904 "Name of the route map\n")
4910 char prefix_str
[BUFSIZ
];
4912 ret
= netmask_str2prefix_str (argv
[idx_ipv4
]->arg
, argv
[idx_ipv4_2
]->arg
, prefix_str
);
4915 vty_out (vty
, "%% Inconsistent address and mask%s", VTY_NEWLINE
);
4919 return bgp_static_set (vty
, prefix_str
,
4920 AFI_IP
, bgp_node_safi (vty
), argv
[idx_word
]->arg
, 0, BGP_INVALID_LABEL_INDEX
);
4923 DEFUN (bgp_network_mask_backdoor
,
4924 bgp_network_mask_backdoor_cmd
,
4925 "network A.B.C.D mask A.B.C.D backdoor",
4926 "Specify a network to announce via BGP\n"
4930 "Specify a BGP backdoor route\n")
4935 char prefix_str
[BUFSIZ
];
4937 ret
= netmask_str2prefix_str (argv
[idx_ipv4
]->arg
, argv
[idx_ipv4_2
]->arg
, prefix_str
);
4940 vty_out (vty
, "%% Inconsistent address and mask%s", VTY_NEWLINE
);
4944 return bgp_static_set (vty
, prefix_str
, AFI_IP
, SAFI_UNICAST
,
4946 BGP_INVALID_LABEL_INDEX
);
4949 DEFUN (bgp_network_mask_natural
,
4950 bgp_network_mask_natural_cmd
,
4952 "Specify a network to announce via BGP\n"
4957 char prefix_str
[BUFSIZ
];
4959 ret
= netmask_str2prefix_str (argv
[idx_ipv4
]->arg
, NULL
, prefix_str
);
4962 vty_out (vty
, "%% Inconsistent address and mask%s", VTY_NEWLINE
);
4966 return bgp_static_set (vty
, prefix_str
,
4967 AFI_IP
, bgp_node_safi (vty
), NULL
, 0,
4968 BGP_INVALID_LABEL_INDEX
);
4971 DEFUN (bgp_network_mask_natural_route_map
,
4972 bgp_network_mask_natural_route_map_cmd
,
4973 "network A.B.C.D route-map WORD",
4974 "Specify a network to announce via BGP\n"
4976 "Route-map to modify the attributes\n"
4977 "Name of the route map\n")
4982 char prefix_str
[BUFSIZ
];
4984 ret
= netmask_str2prefix_str (argv
[idx_ipv4
]->arg
, NULL
, prefix_str
);
4987 vty_out (vty
, "%% Inconsistent address and mask%s", VTY_NEWLINE
);
4991 return bgp_static_set (vty
, prefix_str
,
4992 AFI_IP
, bgp_node_safi (vty
), argv
[idx_word
]->arg
, 0,
4993 BGP_INVALID_LABEL_INDEX
);
4996 DEFUN (bgp_network_mask_natural_backdoor
,
4997 bgp_network_mask_natural_backdoor_cmd
,
4998 "network A.B.C.D backdoor",
4999 "Specify a network to announce via BGP\n"
5001 "Specify a BGP backdoor route\n")
5005 char prefix_str
[BUFSIZ
];
5007 ret
= netmask_str2prefix_str (argv
[idx_ipv4
]->arg
, NULL
, prefix_str
);
5010 vty_out (vty
, "%% Inconsistent address and mask%s", VTY_NEWLINE
);
5014 return bgp_static_set (vty
, prefix_str
, AFI_IP
, SAFI_UNICAST
,
5015 NULL
, 1, BGP_INVALID_LABEL_INDEX
);
5018 DEFUN (bgp_network_label_index
,
5019 bgp_network_label_index_cmd
,
5020 "network A.B.C.D/M label-index (0-4294967294)",
5021 "Specify a network to announce via BGP\n"
5022 "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n"
5023 "Label index to associate with the prefix\n"
5024 "Label index value\n")
5026 u_int32_t label_index
;
5028 VTY_GET_INTEGER ("label-index", label_index
, argv
[3]->arg
);
5029 return bgp_static_set (vty
, argv
[1]->arg
,
5030 AFI_IP
, bgp_node_safi (vty
), NULL
, 0, label_index
);
5033 DEFUN (bgp_network_label_index_route_map
,
5034 bgp_network_label_index_route_map_cmd
,
5035 "network A.B.C.D/M label-index (0-4294967294) route-map WORD",
5036 "Specify a network to announce via BGP\n"
5038 "Label index to associate with the prefix\n"
5039 "Label index value\n"
5040 "Route-map to modify the attributes\n"
5041 "Name of the route map\n")
5043 u_int32_t label_index
;
5045 VTY_GET_INTEGER ("label-index", label_index
, argv
[3]->arg
);
5046 return bgp_static_set (vty
, argv
[1]->arg
,
5047 AFI_IP
, bgp_node_safi (vty
), argv
[5]->arg
, 0, label_index
);
5050 DEFUN (no_bgp_network
,
5052 "no network A.B.C.D/M [<backdoor|route-map WORD>]",
5054 "Specify a network to announce via BGP\n"
5056 "Specify a BGP backdoor route\n"
5057 "Route-map to modify the attributes\n"
5058 "Name of the route map\n")
5060 int idx_ipv4_prefixlen
= 2;
5061 return bgp_static_unset (vty
, argv
[idx_ipv4_prefixlen
]->arg
, AFI_IP
,
5062 bgp_node_safi (vty
));
5065 DEFUN (no_bgp_network_mask
,
5066 no_bgp_network_mask_cmd
,
5067 "no network A.B.C.D mask A.B.C.D [<backdoor|route-map WORD>]",
5069 "Specify a network to announce via BGP\n"
5073 "Specify a BGP backdoor route\n"
5074 "Route-map to modify the attributes\n"
5075 "Name of the route map\n")
5080 char prefix_str
[BUFSIZ
];
5082 ret
= netmask_str2prefix_str (argv
[idx_ipv4
]->arg
, argv
[idx_ipv4_2
]->arg
, prefix_str
);
5085 vty_out (vty
, "%% Inconsistent address and mask%s", VTY_NEWLINE
);
5089 return bgp_static_unset (vty
, prefix_str
, AFI_IP
,
5090 bgp_node_safi (vty
));
5093 DEFUN (no_bgp_network_mask_natural
,
5094 no_bgp_network_mask_natural_cmd
,
5095 "no network A.B.C.D [<backdoor|route-map WORD>]",
5097 "Specify a network to announce via BGP\n"
5099 "Specify a BGP backdoor route\n"
5100 "Route-map to modify the attributes\n"
5101 "Name of the route map\n")
5105 char prefix_str
[BUFSIZ
];
5107 ret
= netmask_str2prefix_str (argv
[idx_ipv4
]->arg
, NULL
, prefix_str
);
5110 vty_out (vty
, "%% Inconsistent address and mask%s", VTY_NEWLINE
);
5114 return bgp_static_unset (vty
, prefix_str
, AFI_IP
,
5115 bgp_node_safi (vty
));
5118 ALIAS (no_bgp_network
,
5119 no_bgp_network_label_index_cmd
,
5120 "no network A.B.C.D/M label-index (0-4294967294)",
5122 "Specify a network to announce via BGP\n"
5123 "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n"
5124 "Label index to associate with the prefix\n"
5125 "Label index value\n")
5127 ALIAS (no_bgp_network
,
5128 no_bgp_network_label_index_route_map_cmd
,
5129 "no network A.B.C.D/M label-index (0-4294967294) route-map WORD",
5131 "Specify a network to announce via BGP\n"
5133 "Label index to associate with the prefix\n"
5134 "Label index value\n"
5135 "Route-map to modify the attributes\n"
5136 "Name of the route map\n")
5138 DEFUN (ipv6_bgp_network
,
5139 ipv6_bgp_network_cmd
,
5140 "network X:X::X:X/M",
5141 "Specify a network to announce via BGP\n"
5144 int idx_ipv6_prefixlen
= 1;
5145 return bgp_static_set (vty
, argv
[idx_ipv6_prefixlen
]->arg
, AFI_IP6
, bgp_node_safi(vty
),
5147 BGP_INVALID_LABEL_INDEX
);
5150 DEFUN (ipv6_bgp_network_route_map
,
5151 ipv6_bgp_network_route_map_cmd
,
5152 "network X:X::X:X/M route-map WORD",
5153 "Specify a network to announce via BGP\n"
5155 "Route-map to modify the attributes\n"
5156 "Name of the route map\n")
5158 int idx_ipv6_prefixlen
= 1;
5160 return bgp_static_set (vty
, argv
[idx_ipv6_prefixlen
]->arg
, AFI_IP6
,
5161 bgp_node_safi (vty
), argv
[idx_word
]->arg
, 0,
5162 BGP_INVALID_LABEL_INDEX
);
5165 DEFUN (ipv6_bgp_network_label_index
,
5166 ipv6_bgp_network_label_index_cmd
,
5167 "network X:X::X:X/M label-index (0-4294967294)",
5168 "Specify a network to announce via BGP\n"
5169 "IPv6 prefix <network>/<length>\n"
5170 "Label index to associate with the prefix\n"
5171 "Label index value\n")
5173 u_int32_t label_index
;
5175 VTY_GET_INTEGER ("label-index", label_index
, argv
[3]->arg
);
5176 return bgp_static_set (vty
, argv
[1]->arg
,
5177 AFI_IP6
, bgp_node_safi (vty
), NULL
, 0, label_index
);
5180 DEFUN (ipv6_bgp_network_label_index_route_map
,
5181 ipv6_bgp_network_label_index_route_map_cmd
,
5182 "network X:X::X:X/M label-index (0-4294967294) route-map WORD",
5183 "Specify a network to announce via BGP\n"
5185 "Label index to associate with the prefix\n"
5186 "Label index value\n"
5187 "Route-map to modify the attributes\n"
5188 "Name of the route map\n")
5190 u_int32_t label_index
;
5192 VTY_GET_INTEGER ("label-index", label_index
, argv
[3]->arg
);
5193 return bgp_static_set (vty
, argv
[1]->arg
,
5194 AFI_IP6
, bgp_node_safi (vty
), argv
[5]->arg
, 0, label_index
);
5197 DEFUN (no_ipv6_bgp_network
,
5198 no_ipv6_bgp_network_cmd
,
5199 "no network X:X::X:X/M [route-map WORD]",
5201 "Specify a network to announce via BGP\n"
5203 "Route-map to modify the attributes\n"
5204 "Name of the route map\n")
5206 int idx_ipv6_prefixlen
= 2;
5207 return bgp_static_unset (vty
, argv
[idx_ipv6_prefixlen
]->arg
, AFI_IP6
, bgp_node_safi(vty
));
5210 ALIAS (no_ipv6_bgp_network
,
5211 no_ipv6_bgp_network_label_index_cmd
,
5212 "no network X:X::X:X/M label-index (0-4294967294)",
5214 "Specify a network to announce via BGP\n"
5215 "IPv6 prefix <network>/<length>\n"
5216 "Label index to associate with the prefix\n"
5217 "Label index value\n")
5219 ALIAS (no_ipv6_bgp_network
,
5220 no_ipv6_bgp_network_label_index_route_map_cmd
,
5221 "no network X:X::X:X/M label-index (0-4294967294) route-map WORD",
5223 "Specify a network to announce via BGP\n"
5225 "Label index to associate with the prefix\n"
5226 "Label index value\n"
5227 "Route-map to modify the attributes\n"
5228 "Name of the route map\n")
5230 /* Aggreagete address:
5232 advertise-map Set condition to advertise attribute
5233 as-set Generate AS set path information
5234 attribute-map Set attributes of aggregate
5235 route-map Set parameters of aggregate
5236 summary-only Filter more specific routes from updates
5237 suppress-map Conditionally filter more specific routes from updates
5240 struct bgp_aggregate
5242 /* Summary-only flag. */
5243 u_char summary_only
;
5245 /* AS set generation. */
5248 /* Route-map for aggregated route. */
5249 struct route_map
*map
;
5251 /* Suppress-count. */
5252 unsigned long count
;
5254 /* SAFI configuration. */
5258 static struct bgp_aggregate
*
5259 bgp_aggregate_new (void)
5261 return XCALLOC (MTYPE_BGP_AGGREGATE
, sizeof (struct bgp_aggregate
));
5265 bgp_aggregate_free (struct bgp_aggregate
*aggregate
)
5267 XFREE (MTYPE_BGP_AGGREGATE
, aggregate
);
5270 /* Update an aggregate as routes are added/removed from the BGP table */
5272 bgp_aggregate_route (struct bgp
*bgp
, struct prefix
*p
, struct bgp_info
*rinew
,
5273 afi_t afi
, safi_t safi
, struct bgp_info
*del
,
5274 struct bgp_aggregate
*aggregate
)
5276 struct bgp_table
*table
;
5277 struct bgp_node
*top
;
5278 struct bgp_node
*rn
;
5280 struct aspath
*aspath
= NULL
;
5281 struct aspath
*asmerge
= NULL
;
5282 struct community
*community
= NULL
;
5283 struct community
*commerge
= NULL
;
5284 #if defined(AGGREGATE_NEXTHOP_CHECK)
5285 struct in_addr nexthop
;
5288 struct bgp_info
*ri
;
5289 struct bgp_info
*new;
5291 unsigned long match
= 0;
5292 u_char atomic_aggregate
= 0;
5294 /* Record adding route's nexthop and med. */
5297 #if defined(AGGREGATE_NEXTHOP_CHECK)
5298 nexthop
= rinew
->attr
->nexthop
;
5299 med
= rinew
->attr
->med
;
5303 /* ORIGIN attribute: If at least one route among routes that are
5304 aggregated has ORIGIN with the value INCOMPLETE, then the
5305 aggregated route must have the ORIGIN attribute with the value
5306 INCOMPLETE. Otherwise, if at least one route among routes that
5307 are aggregated has ORIGIN with the value EGP, then the aggregated
5308 route must have the origin attribute with the value EGP. In all
5309 other case the value of the ORIGIN attribute of the aggregated
5310 route is INTERNAL. */
5311 origin
= BGP_ORIGIN_IGP
;
5313 table
= bgp
->rib
[afi
][safi
];
5315 top
= bgp_node_get (table
, p
);
5316 for (rn
= bgp_node_get (table
, p
); rn
; rn
= bgp_route_next_until (rn
, top
))
5317 if (rn
->p
.prefixlen
> p
->prefixlen
)
5321 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
5323 if (BGP_INFO_HOLDDOWN (ri
))
5326 if (del
&& ri
== del
)
5329 if (! rinew
&& first
)
5331 #if defined(AGGREGATE_NEXTHOP_CHECK)
5332 nexthop
= ri
->attr
->nexthop
;
5333 med
= ri
->attr
->med
;
5338 #ifdef AGGREGATE_NEXTHOP_CHECK
5339 if (! IPV4_ADDR_SAME (&ri
->attr
->nexthop
, &nexthop
)
5340 || ri
->attr
->med
!= med
)
5343 aspath_free (aspath
);
5345 community_free (community
);
5346 bgp_unlock_node (rn
);
5347 bgp_unlock_node (top
);
5350 #endif /* AGGREGATE_NEXTHOP_CHECK */
5352 if (ri
->attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE
))
5353 atomic_aggregate
= 1;
5355 if (ri
->sub_type
!= BGP_ROUTE_AGGREGATE
)
5357 if (aggregate
->summary_only
)
5359 (bgp_info_extra_get (ri
))->suppress
++;
5360 bgp_info_set_flag (rn
, ri
, BGP_INFO_ATTR_CHANGED
);
5366 if (origin
< ri
->attr
->origin
)
5367 origin
= ri
->attr
->origin
;
5369 if (aggregate
->as_set
)
5373 asmerge
= aspath_aggregate (aspath
, ri
->attr
->aspath
);
5374 aspath_free (aspath
);
5378 aspath
= aspath_dup (ri
->attr
->aspath
);
5380 if (ri
->attr
->community
)
5384 commerge
= community_merge (community
,
5385 ri
->attr
->community
);
5386 community
= community_uniq_sort (commerge
);
5387 community_free (commerge
);
5390 community
= community_dup (ri
->attr
->community
);
5396 bgp_process (bgp
, rn
, afi
, safi
);
5398 bgp_unlock_node (top
);
5404 if (aggregate
->summary_only
)
5405 (bgp_info_extra_get (rinew
))->suppress
++;
5407 if (origin
< rinew
->attr
->origin
)
5408 origin
= rinew
->attr
->origin
;
5410 if (aggregate
->as_set
)
5414 asmerge
= aspath_aggregate (aspath
, rinew
->attr
->aspath
);
5415 aspath_free (aspath
);
5419 aspath
= aspath_dup (rinew
->attr
->aspath
);
5421 if (rinew
->attr
->community
)
5425 commerge
= community_merge (community
,
5426 rinew
->attr
->community
);
5427 community
= community_uniq_sort (commerge
);
5428 community_free (commerge
);
5431 community
= community_dup (rinew
->attr
->community
);
5436 if (aggregate
->count
> 0)
5438 rn
= bgp_node_get (table
, p
);
5439 new = info_make(ZEBRA_ROUTE_BGP
, BGP_ROUTE_AGGREGATE
, 0, bgp
->peer_self
,
5440 bgp_attr_aggregate_intern(bgp
, origin
, aspath
, community
,
5442 atomic_aggregate
), rn
);
5443 SET_FLAG (new->flags
, BGP_INFO_VALID
);
5445 bgp_info_add (rn
, new);
5446 bgp_unlock_node (rn
);
5447 bgp_process (bgp
, rn
, afi
, safi
);
5452 aspath_free (aspath
);
5454 community_free (community
);
5458 void bgp_aggregate_delete (struct bgp
*, struct prefix
*, afi_t
, safi_t
,
5459 struct bgp_aggregate
*);
5462 bgp_aggregate_increment (struct bgp
*bgp
, struct prefix
*p
,
5463 struct bgp_info
*ri
, afi_t afi
, safi_t safi
)
5465 struct bgp_node
*child
;
5466 struct bgp_node
*rn
;
5467 struct bgp_aggregate
*aggregate
;
5468 struct bgp_table
*table
;
5470 /* MPLS-VPN aggregation is not yet supported. */
5471 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_ENCAP
) || (safi
== SAFI_EVPN
))
5474 table
= bgp
->aggregate
[afi
][safi
];
5476 /* No aggregates configured. */
5477 if (bgp_table_top_nolock (table
) == NULL
)
5480 if (p
->prefixlen
== 0)
5483 if (BGP_INFO_HOLDDOWN (ri
))
5486 child
= bgp_node_get (table
, p
);
5488 /* Aggregate address configuration check. */
5489 for (rn
= child
; rn
; rn
= bgp_node_parent_nolock (rn
))
5490 if ((aggregate
= rn
->info
) != NULL
&& rn
->p
.prefixlen
< p
->prefixlen
)
5492 bgp_aggregate_delete (bgp
, &rn
->p
, afi
, safi
, aggregate
);
5493 bgp_aggregate_route (bgp
, &rn
->p
, ri
, afi
, safi
, NULL
, aggregate
);
5495 bgp_unlock_node (child
);
5499 bgp_aggregate_decrement (struct bgp
*bgp
, struct prefix
*p
,
5500 struct bgp_info
*del
, afi_t afi
, safi_t safi
)
5502 struct bgp_node
*child
;
5503 struct bgp_node
*rn
;
5504 struct bgp_aggregate
*aggregate
;
5505 struct bgp_table
*table
;
5507 /* MPLS-VPN aggregation is not yet supported. */
5508 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_ENCAP
) || (safi
== SAFI_EVPN
))
5511 table
= bgp
->aggregate
[afi
][safi
];
5513 /* No aggregates configured. */
5514 if (bgp_table_top_nolock (table
) == NULL
)
5517 if (p
->prefixlen
== 0)
5520 child
= bgp_node_get (table
, p
);
5522 /* Aggregate address configuration check. */
5523 for (rn
= child
; rn
; rn
= bgp_node_parent_nolock (rn
))
5524 if ((aggregate
= rn
->info
) != NULL
&& rn
->p
.prefixlen
< p
->prefixlen
)
5526 bgp_aggregate_delete (bgp
, &rn
->p
, afi
, safi
, aggregate
);
5527 bgp_aggregate_route (bgp
, &rn
->p
, NULL
, afi
, safi
, del
, aggregate
);
5529 bgp_unlock_node (child
);
5532 /* Called via bgp_aggregate_set when the user configures aggregate-address */
5534 bgp_aggregate_add (struct bgp
*bgp
, struct prefix
*p
, afi_t afi
, safi_t safi
,
5535 struct bgp_aggregate
*aggregate
)
5537 struct bgp_table
*table
;
5538 struct bgp_node
*top
;
5539 struct bgp_node
*rn
;
5540 struct bgp_info
*new;
5541 struct bgp_info
*ri
;
5542 unsigned long match
;
5543 u_char origin
= BGP_ORIGIN_IGP
;
5544 struct aspath
*aspath
= NULL
;
5545 struct aspath
*asmerge
= NULL
;
5546 struct community
*community
= NULL
;
5547 struct community
*commerge
= NULL
;
5548 u_char atomic_aggregate
= 0;
5550 table
= bgp
->rib
[afi
][safi
];
5553 if (afi
== AFI_IP
&& p
->prefixlen
== IPV4_MAX_BITLEN
)
5555 if (afi
== AFI_IP6
&& p
->prefixlen
== IPV6_MAX_BITLEN
)
5558 /* If routes exists below this node, generate aggregate routes. */
5559 top
= bgp_node_get (table
, p
);
5560 for (rn
= bgp_node_get (table
, p
); rn
; rn
= bgp_route_next_until (rn
, top
))
5561 if (rn
->p
.prefixlen
> p
->prefixlen
)
5565 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
5567 if (BGP_INFO_HOLDDOWN (ri
))
5570 if (ri
->attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE
))
5571 atomic_aggregate
= 1;
5573 if (ri
->sub_type
!= BGP_ROUTE_AGGREGATE
)
5575 /* summary-only aggregate route suppress aggregated
5576 route announcement. */
5577 if (aggregate
->summary_only
)
5579 (bgp_info_extra_get (ri
))->suppress
++;
5580 bgp_info_set_flag (rn
, ri
, BGP_INFO_ATTR_CHANGED
);
5584 /* If at least one route among routes that are aggregated has
5585 * ORIGIN with the value INCOMPLETE, then the aggregated route
5586 * MUST have the ORIGIN attribute with the value INCOMPLETE.
5587 * Otherwise, if at least one route among routes that are
5588 * aggregated has ORIGIN with the value EGP, then the aggregated
5589 * route MUST have the ORIGIN attribute with the value EGP.
5591 if (origin
< ri
->attr
->origin
)
5592 origin
= ri
->attr
->origin
;
5594 /* as-set aggregate route generate origin, as path,
5595 community aggregation. */
5596 if (aggregate
->as_set
)
5600 asmerge
= aspath_aggregate (aspath
, ri
->attr
->aspath
);
5601 aspath_free (aspath
);
5605 aspath
= aspath_dup (ri
->attr
->aspath
);
5607 if (ri
->attr
->community
)
5611 commerge
= community_merge (community
,
5612 ri
->attr
->community
);
5613 community
= community_uniq_sort (commerge
);
5614 community_free (commerge
);
5617 community
= community_dup (ri
->attr
->community
);
5624 /* If this node is suppressed, process the change. */
5626 bgp_process (bgp
, rn
, afi
, safi
);
5628 bgp_unlock_node (top
);
5630 /* Add aggregate route to BGP table. */
5631 if (aggregate
->count
)
5633 rn
= bgp_node_get (table
, p
);
5634 new = info_make(ZEBRA_ROUTE_BGP
, BGP_ROUTE_AGGREGATE
, 0, bgp
->peer_self
,
5635 bgp_attr_aggregate_intern(bgp
, origin
, aspath
, community
,
5637 atomic_aggregate
), rn
);
5638 SET_FLAG (new->flags
, BGP_INFO_VALID
);
5640 bgp_info_add (rn
, new);
5641 bgp_unlock_node (rn
);
5643 /* Process change. */
5644 bgp_process (bgp
, rn
, afi
, safi
);
5649 aspath_free (aspath
);
5651 community_free (community
);
5656 bgp_aggregate_delete (struct bgp
*bgp
, struct prefix
*p
, afi_t afi
,
5657 safi_t safi
, struct bgp_aggregate
*aggregate
)
5659 struct bgp_table
*table
;
5660 struct bgp_node
*top
;
5661 struct bgp_node
*rn
;
5662 struct bgp_info
*ri
;
5663 unsigned long match
;
5665 table
= bgp
->rib
[afi
][safi
];
5667 if (afi
== AFI_IP
&& p
->prefixlen
== IPV4_MAX_BITLEN
)
5669 if (afi
== AFI_IP6
&& p
->prefixlen
== IPV6_MAX_BITLEN
)
5672 /* If routes exists below this node, generate aggregate routes. */
5673 top
= bgp_node_get (table
, p
);
5674 for (rn
= bgp_node_get (table
, p
); rn
; rn
= bgp_route_next_until (rn
, top
))
5675 if (rn
->p
.prefixlen
> p
->prefixlen
)
5679 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
5681 if (BGP_INFO_HOLDDOWN (ri
))
5684 if (ri
->sub_type
!= BGP_ROUTE_AGGREGATE
)
5686 if (aggregate
->summary_only
&& ri
->extra
)
5688 ri
->extra
->suppress
--;
5690 if (ri
->extra
->suppress
== 0)
5692 bgp_info_set_flag (rn
, ri
, BGP_INFO_ATTR_CHANGED
);
5700 /* If this node was suppressed, process the change. */
5702 bgp_process (bgp
, rn
, afi
, safi
);
5704 bgp_unlock_node (top
);
5706 /* Delete aggregate route from BGP table. */
5707 rn
= bgp_node_get (table
, p
);
5709 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
5710 if (ri
->peer
== bgp
->peer_self
5711 && ri
->type
== ZEBRA_ROUTE_BGP
5712 && ri
->sub_type
== BGP_ROUTE_AGGREGATE
)
5715 /* Withdraw static BGP route from routing table. */
5718 bgp_info_delete (rn
, ri
);
5719 bgp_process (bgp
, rn
, afi
, safi
);
5722 /* Unlock bgp_node_lookup. */
5723 bgp_unlock_node (rn
);
5726 /* Aggregate route attribute. */
5727 #define AGGREGATE_SUMMARY_ONLY 1
5728 #define AGGREGATE_AS_SET 1
5731 bgp_aggregate_unset (struct vty
*vty
, const char *prefix_str
,
5732 afi_t afi
, safi_t safi
)
5734 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
5737 struct bgp_node
*rn
;
5738 struct bgp_aggregate
*aggregate
;
5740 /* Convert string to prefix structure. */
5741 ret
= str2prefix (prefix_str
, &p
);
5744 vty_out (vty
, "Malformed prefix%s", VTY_NEWLINE
);
5749 /* Old configuration check. */
5750 rn
= bgp_node_lookup (bgp
->aggregate
[afi
][safi
], &p
);
5753 vty_out (vty
, "%% There is no aggregate-address configuration.%s",
5758 aggregate
= rn
->info
;
5759 if (aggregate
->safi
== SAFI_UNICAST
)
5760 bgp_aggregate_delete (bgp
, &p
, afi
, SAFI_UNICAST
, aggregate
);
5761 if (aggregate
->safi
== SAFI_LABELED_UNICAST
)
5762 bgp_aggregate_delete (bgp
, &p
, afi
, SAFI_LABELED_UNICAST
, aggregate
);
5763 if (aggregate
->safi
== SAFI_MULTICAST
)
5764 bgp_aggregate_delete (bgp
, &p
, afi
, SAFI_MULTICAST
, aggregate
);
5766 /* Unlock aggregate address configuration. */
5768 bgp_aggregate_free (aggregate
);
5769 bgp_unlock_node (rn
);
5770 bgp_unlock_node (rn
);
5776 bgp_aggregate_set (struct vty
*vty
, const char *prefix_str
,
5777 afi_t afi
, safi_t safi
,
5778 u_char summary_only
, u_char as_set
)
5780 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
5783 struct bgp_node
*rn
;
5784 struct bgp_aggregate
*aggregate
;
5786 /* Convert string to prefix structure. */
5787 ret
= str2prefix (prefix_str
, &p
);
5790 vty_out (vty
, "Malformed prefix%s", VTY_NEWLINE
);
5795 /* Old configuration check. */
5796 rn
= bgp_node_get (bgp
->aggregate
[afi
][safi
], &p
);
5800 vty_out (vty
, "There is already same aggregate network.%s", VTY_NEWLINE
);
5801 /* try to remove the old entry */
5802 ret
= bgp_aggregate_unset (vty
, prefix_str
, afi
, safi
);
5805 vty_out (vty
, "Error deleting aggregate.%s", VTY_NEWLINE
);
5806 bgp_unlock_node (rn
);
5811 /* Make aggregate address structure. */
5812 aggregate
= bgp_aggregate_new ();
5813 aggregate
->summary_only
= summary_only
;
5814 aggregate
->as_set
= as_set
;
5815 aggregate
->safi
= safi
;
5816 rn
->info
= aggregate
;
5818 /* Aggregate address insert into BGP routing table. */
5819 if (safi
== SAFI_UNICAST
)
5820 bgp_aggregate_add (bgp
, &p
, afi
, SAFI_UNICAST
, aggregate
);
5821 if (safi
== SAFI_LABELED_UNICAST
)
5822 bgp_aggregate_add (bgp
, &p
, afi
, SAFI_LABELED_UNICAST
, aggregate
);
5823 if (safi
== SAFI_MULTICAST
)
5824 bgp_aggregate_add (bgp
, &p
, afi
, SAFI_MULTICAST
, aggregate
);
5829 DEFUN (aggregate_address
,
5830 aggregate_address_cmd
,
5831 "aggregate-address A.B.C.D/M [<as-set [summary-only]|summary-only [as-set]>]",
5832 "Configure BGP aggregate entries\n"
5833 "Aggregate prefix\n"
5834 "Generate AS set path information\n"
5835 "Filter more specific routes from updates\n"
5836 "Filter more specific routes from updates\n"
5837 "Generate AS set path information\n")
5840 argv_find (argv
, argc
, "A.B.C.D/M", &idx
);
5841 char *prefix
= argv
[idx
]->arg
;
5842 int as_set
= argv_find (argv
, argc
, "as-set", &idx
) ? AGGREGATE_AS_SET
: 0;
5844 int summary_only
= argv_find (argv
, argc
, "summary-only", &idx
) ? AGGREGATE_SUMMARY_ONLY
: 0;
5846 return bgp_aggregate_set (vty
, prefix
, AFI_IP
, bgp_node_safi (vty
), summary_only
, as_set
);
5849 DEFUN (aggregate_address_mask
,
5850 aggregate_address_mask_cmd
,
5851 "aggregate-address A.B.C.D A.B.C.D [<as-set [summary-only]|summary-only [as-set]>]",
5852 "Configure BGP aggregate entries\n"
5853 "Aggregate address\n"
5855 "Generate AS set path information\n"
5856 "Filter more specific routes from updates\n"
5857 "Filter more specific routes from updates\n"
5858 "Generate AS set path information\n")
5861 argv_find (argv
, argc
, "A.B.C.D", &idx
);
5862 char *prefix
= argv
[idx
]->arg
;
5863 char *mask
= argv
[idx
+1]->arg
;
5864 int as_set
= argv_find (argv
, argc
, "as-set", &idx
) ? AGGREGATE_AS_SET
: 0;
5866 int summary_only
= argv_find (argv
, argc
, "summary-only", &idx
) ? AGGREGATE_SUMMARY_ONLY
: 0;
5868 char prefix_str
[BUFSIZ
];
5869 int ret
= netmask_str2prefix_str (prefix
, mask
, prefix_str
);
5873 vty_out (vty
, "%% Inconsistent address and mask%s", VTY_NEWLINE
);
5877 return bgp_aggregate_set (vty
, prefix_str
, AFI_IP
, bgp_node_safi (vty
), summary_only
, as_set
);
5880 DEFUN (no_aggregate_address
,
5881 no_aggregate_address_cmd
,
5882 "no aggregate-address A.B.C.D/M [<as-set [summary-only]|summary-only [as-set]>]",
5884 "Configure BGP aggregate entries\n"
5885 "Aggregate prefix\n"
5886 "Generate AS set path information\n"
5887 "Filter more specific routes from updates\n"
5888 "Filter more specific routes from updates\n"
5889 "Generate AS set path information\n")
5892 argv_find (argv
, argc
, "A.B.C.D/M", &idx
);
5893 char *prefix
= argv
[idx
]->arg
;
5894 return bgp_aggregate_unset (vty
, prefix
, AFI_IP
, bgp_node_safi (vty
));
5897 DEFUN (no_aggregate_address_mask
,
5898 no_aggregate_address_mask_cmd
,
5899 "no aggregate-address A.B.C.D A.B.C.D [<as-set [summary-only]|summary-only [as-set]>]",
5901 "Configure BGP aggregate entries\n"
5902 "Aggregate address\n"
5904 "Generate AS set path information\n"
5905 "Filter more specific routes from updates\n"
5906 "Filter more specific routes from updates\n"
5907 "Generate AS set path information\n")
5910 argv_find (argv
, argc
, "A.B.C.D", &idx
);
5911 char *prefix
= argv
[idx
]->arg
;
5912 char *mask
= argv
[idx
+1]->arg
;
5914 char prefix_str
[BUFSIZ
];
5915 int ret
= netmask_str2prefix_str (prefix
, mask
, prefix_str
);
5919 vty_out (vty
, "%% Inconsistent address and mask%s", VTY_NEWLINE
);
5923 return bgp_aggregate_unset (vty
, prefix_str
, AFI_IP
, bgp_node_safi (vty
));
5926 DEFUN (ipv6_aggregate_address
,
5927 ipv6_aggregate_address_cmd
,
5928 "aggregate-address X:X::X:X/M [summary-only]",
5929 "Configure BGP aggregate entries\n"
5930 "Aggregate prefix\n"
5931 "Filter more specific routes from updates\n")
5934 argv_find (argv
, argc
, "X:X::X:X/M", &idx
);
5935 char *prefix
= argv
[idx
]->arg
;
5936 int sum_only
= argv_find (argv
, argc
, "summary-only", &idx
) ? AGGREGATE_SUMMARY_ONLY
: 0;
5937 return bgp_aggregate_set (vty
, prefix
, AFI_IP6
, SAFI_UNICAST
, sum_only
, 0);
5940 DEFUN (no_ipv6_aggregate_address
,
5941 no_ipv6_aggregate_address_cmd
,
5942 "no aggregate-address X:X::X:X/M [summary-only]",
5944 "Configure BGP aggregate entries\n"
5945 "Aggregate prefix\n"
5946 "Filter more specific routes from updates\n")
5949 argv_find (argv
, argc
, "X:X::X:X/M", &idx
);
5950 char *prefix
= argv
[idx
]->arg
;
5951 return bgp_aggregate_unset (vty
, prefix
, AFI_IP6
, SAFI_UNICAST
);
5954 /* Redistribute route treatment. */
5956 bgp_redistribute_add (struct bgp
*bgp
, struct prefix
*p
, const struct in_addr
*nexthop
,
5957 const struct in6_addr
*nexthop6
, unsigned int ifindex
,
5958 u_int32_t metric
, u_char type
, u_short instance
, route_tag_t tag
)
5960 struct bgp_info
*new;
5961 struct bgp_info
*bi
;
5962 struct bgp_info info
;
5963 struct bgp_node
*bn
;
5965 struct attr
*new_attr
;
5968 struct bgp_redist
*red
;
5970 /* Make default attribute. */
5971 bgp_attr_default_set (&attr
, BGP_ORIGIN_INCOMPLETE
);
5973 attr
.nexthop
= *nexthop
;
5974 attr
.nh_ifindex
= ifindex
;
5978 struct attr_extra
*extra
= bgp_attr_extra_get(&attr
);
5979 extra
->mp_nexthop_global
= *nexthop6
;
5980 extra
->mp_nexthop_len
= BGP_ATTR_NHLEN_IPV6_GLOBAL
;
5984 attr
.flag
|= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC
);
5985 attr
.extra
->tag
= tag
;
5987 afi
= family2afi (p
->family
);
5989 red
= bgp_redist_lookup(bgp
, afi
, type
, instance
);
5992 struct attr attr_new
;
5993 struct attr_extra extra_new
;
5995 /* Copy attribute for modification. */
5996 attr_new
.extra
= &extra_new
;
5997 bgp_attr_dup (&attr_new
, &attr
);
5999 if (red
->redist_metric_flag
)
6000 attr_new
.med
= red
->redist_metric
;
6002 /* Apply route-map. */
6005 info
.peer
= bgp
->peer_self
;
6006 info
.attr
= &attr_new
;
6008 SET_FLAG (bgp
->peer_self
->rmap_type
, PEER_RMAP_TYPE_REDISTRIBUTE
);
6010 ret
= route_map_apply (red
->rmap
.map
, p
, RMAP_BGP
, &info
);
6012 bgp
->peer_self
->rmap_type
= 0;
6014 if (ret
== RMAP_DENYMATCH
)
6016 /* Free uninterned attribute. */
6017 bgp_attr_flush (&attr_new
);
6019 /* Unintern original. */
6020 aspath_unintern (&attr
.aspath
);
6021 bgp_attr_extra_free (&attr
);
6022 bgp_redistribute_delete (bgp
, p
, type
, instance
);
6027 bn
= bgp_afi_node_get (bgp
->rib
[afi
][SAFI_UNICAST
],
6028 afi
, SAFI_UNICAST
, p
, NULL
);
6030 new_attr
= bgp_attr_intern (&attr_new
);
6032 for (bi
= bn
->info
; bi
; bi
= bi
->next
)
6033 if (bi
->peer
== bgp
->peer_self
6034 && bi
->sub_type
== BGP_ROUTE_REDISTRIBUTE
)
6039 /* Ensure the (source route) type is updated. */
6041 if (attrhash_cmp (bi
->attr
, new_attr
) &&
6042 !CHECK_FLAG(bi
->flags
, BGP_INFO_REMOVED
))
6044 bgp_attr_unintern (&new_attr
);
6045 aspath_unintern (&attr
.aspath
);
6046 bgp_attr_extra_free (&attr
);
6047 bgp_unlock_node (bn
);
6052 /* The attribute is changed. */
6053 bgp_info_set_flag (bn
, bi
, BGP_INFO_ATTR_CHANGED
);
6055 /* Rewrite BGP route information. */
6056 if (CHECK_FLAG(bi
->flags
, BGP_INFO_REMOVED
))
6057 bgp_info_restore(bn
, bi
);
6059 bgp_aggregate_decrement (bgp
, p
, bi
, afi
, SAFI_UNICAST
);
6060 bgp_attr_unintern (&bi
->attr
);
6061 bi
->attr
= new_attr
;
6062 bi
->uptime
= bgp_clock ();
6064 /* Process change. */
6065 bgp_aggregate_increment (bgp
, p
, bi
, afi
, SAFI_UNICAST
);
6066 bgp_process (bgp
, bn
, afi
, SAFI_UNICAST
);
6067 bgp_unlock_node (bn
);
6068 aspath_unintern (&attr
.aspath
);
6069 bgp_attr_extra_free (&attr
);
6074 new = info_make(type
, BGP_ROUTE_REDISTRIBUTE
, instance
, bgp
->peer_self
,
6076 SET_FLAG (new->flags
, BGP_INFO_VALID
);
6078 bgp_aggregate_increment (bgp
, p
, new, afi
, SAFI_UNICAST
);
6079 bgp_info_add (bn
, new);
6080 bgp_unlock_node (bn
);
6081 bgp_process (bgp
, bn
, afi
, SAFI_UNICAST
);
6084 /* Unintern original. */
6085 aspath_unintern (&attr
.aspath
);
6086 bgp_attr_extra_free (&attr
);
6090 bgp_redistribute_delete (struct bgp
*bgp
, struct prefix
*p
, u_char type
, u_short instance
)
6093 struct bgp_node
*rn
;
6094 struct bgp_info
*ri
;
6095 struct bgp_redist
*red
;
6097 afi
= family2afi (p
->family
);
6099 red
= bgp_redist_lookup(bgp
, afi
, type
, instance
);
6102 rn
= bgp_afi_node_get (bgp
->rib
[afi
][SAFI_UNICAST
], afi
, SAFI_UNICAST
, p
, NULL
);
6104 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
6105 if (ri
->peer
== bgp
->peer_self
6106 && ri
->type
== type
)
6111 bgp_aggregate_decrement (bgp
, p
, ri
, afi
, SAFI_UNICAST
);
6112 bgp_info_delete (rn
, ri
);
6113 bgp_process (bgp
, rn
, afi
, SAFI_UNICAST
);
6115 bgp_unlock_node (rn
);
6119 /* Withdraw specified route type's route. */
6121 bgp_redistribute_withdraw (struct bgp
*bgp
, afi_t afi
, int type
, u_short instance
)
6123 struct bgp_node
*rn
;
6124 struct bgp_info
*ri
;
6125 struct bgp_table
*table
;
6127 table
= bgp
->rib
[afi
][SAFI_UNICAST
];
6129 for (rn
= bgp_table_top (table
); rn
; rn
= bgp_route_next (rn
))
6131 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
6132 if (ri
->peer
== bgp
->peer_self
6134 && ri
->instance
== instance
)
6139 bgp_aggregate_decrement (bgp
, &rn
->p
, ri
, afi
, SAFI_UNICAST
);
6140 bgp_info_delete (rn
, ri
);
6141 bgp_process (bgp
, rn
, afi
, SAFI_UNICAST
);
6146 /* Static function to display route. */
6148 route_vty_out_route (struct prefix
*p
, struct vty
*vty
)
6151 u_int32_t destination
;
6154 if (p
->family
== AF_INET
)
6156 len
= vty_out (vty
, "%s", inet_ntop (p
->family
, &p
->u
.prefix
, buf
, BUFSIZ
));
6157 destination
= ntohl (p
->u
.prefix4
.s_addr
);
6159 if ((IN_CLASSC (destination
) && p
->prefixlen
== 24)
6160 || (IN_CLASSB (destination
) && p
->prefixlen
== 16)
6161 || (IN_CLASSA (destination
) && p
->prefixlen
== 8)
6162 || p
->u
.prefix4
.s_addr
== 0)
6164 /* When mask is natural, mask is not displayed. */
6167 len
+= vty_out (vty
, "/%d", p
->prefixlen
);
6169 else if (p
->family
== AF_ETHERNET
)
6171 prefix2str(p
, buf
, PREFIX_STRLEN
);
6172 len
= vty_out (vty
, "%s", buf
);
6175 len
= vty_out (vty
, "%s/%d", inet_ntop (p
->family
, &p
->u
.prefix
, buf
, BUFSIZ
),
6180 vty_out (vty
, "%s%*s", VTY_NEWLINE
, 20, " ");
6182 vty_out (vty
, "%*s", len
, " ");
6185 enum bgp_display_type
6190 /* Print the short form route status for a bgp_info */
6192 route_vty_short_status_out (struct vty
*vty
, struct bgp_info
*binfo
,
6193 json_object
*json_path
)
6198 /* Route status display. */
6199 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_REMOVED
))
6200 json_object_boolean_true_add(json_path
, "removed");
6202 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_STALE
))
6203 json_object_boolean_true_add(json_path
, "stale");
6205 if (binfo
->extra
&& binfo
->extra
->suppress
)
6206 json_object_boolean_true_add(json_path
, "suppressed");
6208 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_VALID
) &&
6209 ! CHECK_FLAG (binfo
->flags
, BGP_INFO_HISTORY
))
6210 json_object_boolean_true_add(json_path
, "valid");
6213 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_HISTORY
))
6214 json_object_boolean_true_add(json_path
, "history");
6216 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_DAMPED
))
6217 json_object_boolean_true_add(json_path
, "damped");
6219 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_SELECTED
))
6220 json_object_boolean_true_add(json_path
, "bestpath");
6222 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_MULTIPATH
))
6223 json_object_boolean_true_add(json_path
, "multipath");
6225 /* Internal route. */
6226 if ((binfo
->peer
->as
) && (binfo
->peer
->as
== binfo
->peer
->local_as
))
6227 json_object_string_add(json_path
, "pathFrom", "internal");
6229 json_object_string_add(json_path
, "pathFrom", "external");
6234 /* Route status display. */
6235 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_REMOVED
))
6237 else if (CHECK_FLAG (binfo
->flags
, BGP_INFO_STALE
))
6239 else if (binfo
->extra
&& binfo
->extra
->suppress
)
6241 else if (CHECK_FLAG (binfo
->flags
, BGP_INFO_VALID
) &&
6242 ! CHECK_FLAG (binfo
->flags
, BGP_INFO_HISTORY
))
6248 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_HISTORY
))
6250 else if (CHECK_FLAG (binfo
->flags
, BGP_INFO_DAMPED
))
6252 else if (CHECK_FLAG (binfo
->flags
, BGP_INFO_SELECTED
))
6254 else if (CHECK_FLAG (binfo
->flags
, BGP_INFO_MULTIPATH
))
6259 /* Internal route. */
6261 (binfo
->peer
->as
) && (binfo
->peer
->as
== binfo
->peer
->local_as
))
6267 /* called from terminal list command */
6269 route_vty_out (struct vty
*vty
, struct prefix
*p
,
6270 struct bgp_info
*binfo
, int display
, safi_t safi
,
6271 json_object
*json_paths
)
6274 json_object
*json_path
= NULL
;
6275 json_object
*json_nexthops
= NULL
;
6276 json_object
*json_nexthop_global
= NULL
;
6277 json_object
*json_nexthop_ll
= NULL
;
6280 json_path
= json_object_new_object();
6282 /* short status lead text */
6283 route_vty_short_status_out (vty
, binfo
, json_path
);
6287 /* print prefix and mask */
6289 route_vty_out_route (p
, vty
);
6291 vty_out (vty
, "%*s", 17, " ");
6294 /* Print attribute */
6299 * For ENCAP routes, nexthop address family is not
6300 * neccessarily the same as the prefix address family.
6301 * Both SAFI_MPLS_VPN and SAFI_ENCAP use the MP nexthop field
6303 if ((safi
== SAFI_ENCAP
) || (safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_EVPN
))
6308 int af
= NEXTHOP_FAMILY(attr
->extra
->mp_nexthop_len
);
6313 vty_out (vty
, "%s", inet_ntop(af
,
6314 &attr
->extra
->mp_nexthop_global_in
, buf
, BUFSIZ
));
6317 vty_out (vty
, "%s", inet_ntop(af
,
6318 &attr
->extra
->mp_nexthop_global
, buf
, BUFSIZ
));
6329 else if (p
->family
== AF_INET
&& !BGP_ATTR_NEXTHOP_AFI_IP6(attr
))
6333 json_nexthop_global
= json_object_new_object();
6335 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_EVPN
))
6336 json_object_string_add(json_nexthop_global
, "ip", inet_ntoa (attr
->extra
->mp_nexthop_global_in
));
6338 json_object_string_add(json_nexthop_global
, "ip", inet_ntoa (attr
->nexthop
));
6340 json_object_string_add(json_nexthop_global
, "afi", "ipv4");
6341 json_object_boolean_true_add(json_nexthop_global
, "used");
6345 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_EVPN
))
6346 vty_out (vty
, "%-16s",
6347 inet_ntoa (attr
->extra
->mp_nexthop_global_in
));
6349 vty_out (vty
, "%-16s", inet_ntoa (attr
->nexthop
));
6354 else if (p
->family
== AF_INET6
|| BGP_ATTR_NEXTHOP_AFI_IP6(attr
))
6361 json_nexthop_global
= json_object_new_object();
6362 json_object_string_add(json_nexthop_global
, "ip",
6363 inet_ntop (AF_INET6
,
6364 &attr
->extra
->mp_nexthop_global
,
6366 json_object_string_add(json_nexthop_global
, "afi", "ipv6");
6367 json_object_string_add(json_nexthop_global
, "scope", "global");
6369 /* We display both LL & GL if both have been received */
6370 if ((attr
->extra
->mp_nexthop_len
== 32) || (binfo
->peer
->conf_if
))
6372 json_nexthop_ll
= json_object_new_object();
6373 json_object_string_add(json_nexthop_ll
, "ip",
6374 inet_ntop (AF_INET6
,
6375 &attr
->extra
->mp_nexthop_local
,
6377 json_object_string_add(json_nexthop_ll
, "afi", "ipv6");
6378 json_object_string_add(json_nexthop_ll
, "scope", "link-local");
6380 if ((IPV6_ADDR_CMP (&attr
->extra
->mp_nexthop_global
,
6381 &attr
->extra
->mp_nexthop_local
) != 0) &&
6382 !attr
->extra
->mp_nexthop_prefer_global
)
6383 json_object_boolean_true_add(json_nexthop_ll
, "used");
6385 json_object_boolean_true_add(json_nexthop_global
, "used");
6388 json_object_boolean_true_add(json_nexthop_global
, "used");
6392 /* Display LL if LL/Global both in table unless prefer-global is set */
6393 if (((attr
->extra
->mp_nexthop_len
== 32) &&
6394 !attr
->extra
->mp_nexthop_prefer_global
) ||
6395 (binfo
->peer
->conf_if
))
6397 if (binfo
->peer
->conf_if
)
6399 len
= vty_out (vty
, "%s",
6400 binfo
->peer
->conf_if
);
6401 len
= 7 - len
; /* len of IPv6 addr + max len of def ifname */
6404 vty_out (vty
, "%s%*s", VTY_NEWLINE
, 45, " ");
6406 vty_out (vty
, "%*s", len
, " ");
6410 len
= vty_out (vty
, "%s",
6411 inet_ntop (AF_INET6
,
6412 &attr
->extra
->mp_nexthop_local
,
6417 vty_out (vty
, "%s%*s", VTY_NEWLINE
, 36, " ");
6419 vty_out (vty
, "%*s", len
, " ");
6424 len
= vty_out (vty
, "%s",
6425 inet_ntop (AF_INET6
,
6426 &attr
->extra
->mp_nexthop_global
,
6431 vty_out (vty
, "%s%*s", VTY_NEWLINE
, 36, " ");
6433 vty_out (vty
, "%*s", len
, " ");
6439 if (attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC
))
6441 json_object_int_add(json_path
, "med", attr
->med
);
6443 vty_out (vty
, "%10u", attr
->med
);
6449 if (attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF
))
6451 json_object_int_add(json_path
, "localpref", attr
->local_pref
);
6453 vty_out (vty
, "%7u", attr
->local_pref
);
6461 json_object_int_add(json_path
, "weight", attr
->extra
->weight
);
6463 json_object_int_add(json_path
, "weight", 0);
6466 vty_out (vty
, "%7u ", (attr
->extra
? attr
->extra
->weight
: 0));
6470 json_object_string_add(json_path
, "peerId", sockunion2str (&binfo
->peer
->su
, buf
, SU_ADDRSTRLEN
));
6477 json_object_string_add(json_path
, "aspath", attr
->aspath
->str
);
6479 aspath_print_vty (vty
, "%s", attr
->aspath
, " ");
6484 json_object_string_add(json_path
, "origin", bgp_origin_long_str
[attr
->origin
]);
6486 vty_out (vty
, "%s", bgp_origin_str
[attr
->origin
]);
6491 json_object_string_add(json_path
, "alert", "No attributes");
6493 vty_out (vty
, "No attributes to print%s", VTY_NEWLINE
);
6498 if (json_nexthop_global
|| json_nexthop_ll
)
6500 json_nexthops
= json_object_new_array();
6502 if (json_nexthop_global
)
6503 json_object_array_add(json_nexthops
, json_nexthop_global
);
6505 if (json_nexthop_ll
)
6506 json_object_array_add(json_nexthops
, json_nexthop_ll
);
6508 json_object_object_add(json_path
, "nexthops", json_nexthops
);
6511 json_object_array_add(json_paths
, json_path
);
6515 vty_out (vty
, "%s", VTY_NEWLINE
);
6517 /* prints an additional line, indented, with VNC info, if present */
6518 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_ENCAP
))
6519 rfapi_vty_out_vncinfo(vty
, p
, binfo
, safi
);
6524 /* called from terminal list command */
6526 route_vty_out_tmp (struct vty
*vty
, struct prefix
*p
, struct attr
*attr
, safi_t safi
,
6527 u_char use_json
, json_object
*json_ar
)
6529 json_object
*json_status
= NULL
;
6530 json_object
*json_net
= NULL
;
6532 /* Route status display. */
6535 json_status
= json_object_new_object();
6536 json_net
= json_object_new_object();
6545 /* print prefix and mask */
6547 json_object_string_add(json_net
, "addrPrefix", inet_ntop (p
->family
, &p
->u
.prefix
, buff
, BUFSIZ
));
6549 route_vty_out_route (p
, vty
);
6551 /* Print attribute */
6556 if (p
->family
== AF_INET
&&
6557 (safi
== SAFI_MPLS_VPN
||
6558 safi
== SAFI_ENCAP
||
6559 safi
== SAFI_EVPN
||
6560 !BGP_ATTR_NEXTHOP_AFI_IP6(attr
)))
6562 if (safi
== SAFI_MPLS_VPN
|| safi
== SAFI_ENCAP
|| safi
== SAFI_EVPN
)
6563 json_object_string_add(json_net
, "nextHop", inet_ntoa (attr
->extra
->mp_nexthop_global_in
));
6565 json_object_string_add(json_net
, "nextHop", inet_ntoa (attr
->nexthop
));
6567 else if (p
->family
== AF_INET6
|| BGP_ATTR_NEXTHOP_AFI_IP6(attr
))
6571 json_object_string_add(json_net
, "netHopGloabal", inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_global
,
6575 if (attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC
))
6576 json_object_int_add(json_net
, "metric", attr
->med
);
6578 if (attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF
))
6579 json_object_int_add(json_net
, "localPref", attr
->local_pref
);
6582 json_object_int_add(json_net
, "weight", attr
->extra
->weight
);
6584 json_object_int_add(json_net
, "weight", 0);
6588 json_object_string_add(json_net
, "asPath", attr
->aspath
->str
);
6591 json_object_string_add(json_net
, "bgpOriginCode", bgp_origin_str
[attr
->origin
]);
6595 if (p
->family
== AF_INET
&&
6596 (safi
== SAFI_MPLS_VPN
||
6597 safi
== SAFI_ENCAP
||
6598 safi
== SAFI_EVPN
||
6599 !BGP_ATTR_NEXTHOP_AFI_IP6(attr
)))
6601 if (safi
== SAFI_MPLS_VPN
|| safi
== SAFI_ENCAP
|| safi
== SAFI_EVPN
)
6602 vty_out (vty
, "%-16s",
6603 inet_ntoa (attr
->extra
->mp_nexthop_global_in
));
6605 vty_out (vty
, "%-16s", inet_ntoa (attr
->nexthop
));
6607 else if (p
->family
== AF_INET6
|| BGP_ATTR_NEXTHOP_AFI_IP6(attr
))
6612 assert (attr
->extra
);
6614 len
= vty_out (vty
, "%s",
6615 inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_global
,
6619 vty_out (vty
, "%s%*s", VTY_NEWLINE
, 36, " ");
6621 vty_out (vty
, "%*s", len
, " ");
6623 if (attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC
))
6624 vty_out (vty
, "%10u", attr
->med
);
6628 if (attr
->flag
& ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF
))
6629 vty_out (vty
, "%7u", attr
->local_pref
);
6633 vty_out (vty
, "%7u ", (attr
->extra
? attr
->extra
->weight
: 0));
6637 aspath_print_vty (vty
, "%s", attr
->aspath
, " ");
6640 vty_out (vty
, "%s", bgp_origin_str
[attr
->origin
]);
6645 json_object_boolean_true_add(json_status
, "*");
6646 json_object_boolean_true_add(json_status
, ">");
6647 json_object_object_add(json_net
, "appliedStatusSymbols", json_status
);
6648 char buf_cut
[BUFSIZ
];
6649 json_object_object_add(json_ar
, inet_ntop (p
->family
, &p
->u
.prefix
, buf_cut
, BUFSIZ
), json_net
);
6652 vty_out (vty
, "%s", VTY_NEWLINE
);
6656 route_vty_out_tag (struct vty
*vty
, struct prefix
*p
,
6657 struct bgp_info
*binfo
, int display
, safi_t safi
, json_object
*json
)
6659 json_object
*json_out
= NULL
;
6661 u_int32_t label
= 0;
6667 json_out
= json_object_new_object();
6669 /* short status lead text */
6670 route_vty_short_status_out (vty
, binfo
, json_out
);
6672 /* print prefix and mask */
6676 route_vty_out_route (p
, vty
);
6678 vty_out (vty
, "%*s", 17, " ");
6681 /* Print attribute */
6685 if (((p
->family
== AF_INET
) && ((safi
== SAFI_MPLS_VPN
|| safi
== SAFI_ENCAP
)))
6686 || (safi
== SAFI_EVPN
&& p
->family
== AF_ETHERNET
&& !BGP_ATTR_NEXTHOP_AFI_IP6(attr
))
6687 || (!BGP_ATTR_NEXTHOP_AFI_IP6(attr
)))
6689 if (safi
== SAFI_MPLS_VPN
|| safi
== SAFI_ENCAP
|| safi
== SAFI_EVPN
)
6692 json_object_string_add(json_out
, "mpNexthopGlobalIn", inet_ntoa (attr
->extra
->mp_nexthop_global_in
));
6694 vty_out (vty
, "%-16s", inet_ntoa (attr
->extra
->mp_nexthop_global_in
));
6699 json_object_string_add(json_out
, "nexthop", inet_ntoa (attr
->nexthop
));
6701 vty_out (vty
, "%-16s", inet_ntoa (attr
->nexthop
));
6704 else if (((p
->family
== AF_INET6
) && ((safi
== SAFI_MPLS_VPN
|| safi
== SAFI_ENCAP
)))
6705 || (safi
== SAFI_EVPN
&& p
->family
== AF_ETHERNET
&& BGP_ATTR_NEXTHOP_AFI_IP6(attr
))
6706 || (BGP_ATTR_NEXTHOP_AFI_IP6(attr
)))
6708 assert (attr
->extra
);
6712 if (attr
->extra
->mp_nexthop_len
== BGP_ATTR_NHLEN_IPV6_GLOBAL
)
6715 json_object_string_add(json_out
, "mpNexthopGlobalIn",
6716 inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_global
, buf_a
, BUFSIZ
));
6719 inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_global
,
6722 else if (attr
->extra
->mp_nexthop_len
== BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL
)
6726 inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_global
,
6728 inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_local
,
6730 sprintf(buf_c
, "%s(%s)", buf_a
, buf_b
);
6731 json_object_string_add(json_out
, "mpNexthopGlobalLocal", buf_c
);
6734 vty_out (vty
, "%s(%s)",
6735 inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_global
,
6737 inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_local
,
6744 label
= decode_label (binfo
->extra
->tag
);
6749 json_object_int_add(json_out
, "notag", label
);
6750 json_object_array_add(json
, json_out
);
6754 vty_out (vty
, "notag/%d", label
);
6756 vty_out (vty
, "%s", VTY_NEWLINE
);
6761 route_vty_out_overlay (struct vty
*vty
, struct prefix
*p
,
6762 struct bgp_info
*binfo
, int display
, json_object
*json_paths
)
6766 json_object
*json_path
= NULL
;
6769 json_path
= json_object_new_object();
6774 /* short status lead text */
6775 route_vty_short_status_out (vty
, binfo
, json_path
);
6777 /* print prefix and mask */
6779 route_vty_out_route (p
, vty
);
6781 vty_out (vty
, "%*s", 17, " ");
6783 /* Print attribute */
6790 int af
= NEXTHOP_FAMILY(attr
->extra
->mp_nexthop_len
);
6794 vty_out (vty
, "%-16s", inet_ntop(af
,
6795 &attr
->extra
->mp_nexthop_global_in
, buf
, BUFSIZ
));
6798 vty_out (vty
, "%s(%s)",
6800 &attr
->extra
->mp_nexthop_global
, buf
, BUFSIZ
),
6802 &attr
->extra
->mp_nexthop_local
, buf1
, BUFSIZ
));
6814 struct eth_segment_id
*id
= &(attr
->extra
->evpn_overlay
.eth_s_id
);
6815 char *str
= esi2str(id
);
6816 vty_out (vty
, "%s", str
);
6817 XFREE (MTYPE_TMP
, str
);
6818 if (p
->u
.prefix_evpn
.flags
& IP_PREFIX_V4
)
6820 vty_out (vty
, "/%s", inet_ntoa (attr
->extra
->evpn_overlay
.gw_ip
.ipv4
));
6822 else if (p
->u
.prefix_evpn
.flags
& IP_PREFIX_V6
)
6824 vty_out (vty
, "/%s",
6825 inet_ntop (AF_INET6
, &(attr
->extra
->evpn_overlay
.gw_ip
.ipv6
),
6828 if(attr
->extra
->ecommunity
)
6831 struct ecommunity_val
*routermac
= ecommunity_lookup (attr
->extra
->ecommunity
,
6832 ECOMMUNITY_ENCODE_EVPN
,
6833 ECOMMUNITY_EVPN_SUBTYPE_ROUTERMAC
);
6835 mac
= ecom_mac2str((char *)routermac
->val
);
6838 vty_out (vty
, "/%s",(char *)mac
);
6839 XFREE(MTYPE_TMP
, mac
);
6843 vty_out (vty
, "%s", VTY_NEWLINE
);
6846 /* dampening route */
6848 damp_route_vty_out (struct vty
*vty
, struct prefix
*p
, struct bgp_info
*binfo
,
6849 int display
, safi_t safi
, u_char use_json
, json_object
*json
)
6853 char timebuf
[BGP_UPTIME_LEN
];
6855 /* short status lead text */
6856 route_vty_short_status_out (vty
, binfo
, json
);
6858 /* print prefix and mask */
6862 route_vty_out_route (p
, vty
);
6864 vty_out (vty
, "%*s", 17, " ");
6867 len
= vty_out (vty
, "%s", binfo
->peer
->host
);
6872 vty_out (vty
, "%s%*s", VTY_NEWLINE
, 34, " ");
6877 json_object_int_add(json
, "peerHost", len
);
6879 vty_out (vty
, "%*s", len
, " ");
6883 bgp_damp_reuse_time_vty (vty
, binfo
, timebuf
, BGP_UPTIME_LEN
, use_json
, json
);
6885 vty_out (vty
, "%s ", bgp_damp_reuse_time_vty (vty
, binfo
, timebuf
, BGP_UPTIME_LEN
, use_json
, json
));
6887 /* Print attribute */
6895 json_object_string_add(json
, "asPath", attr
->aspath
->str
);
6897 aspath_print_vty (vty
, "%s", attr
->aspath
, " ");
6902 json_object_string_add(json
, "origin", bgp_origin_str
[attr
->origin
]);
6904 vty_out (vty
, "%s", bgp_origin_str
[attr
->origin
]);
6907 vty_out (vty
, "%s", VTY_NEWLINE
);
6912 flap_route_vty_out (struct vty
*vty
, struct prefix
*p
, struct bgp_info
*binfo
,
6913 int display
, safi_t safi
, u_char use_json
, json_object
*json
)
6916 struct bgp_damp_info
*bdi
;
6917 char timebuf
[BGP_UPTIME_LEN
];
6923 bdi
= binfo
->extra
->damp_info
;
6925 /* short status lead text */
6926 route_vty_short_status_out (vty
, binfo
, json
);
6928 /* print prefix and mask */
6932 route_vty_out_route (p
, vty
);
6934 vty_out (vty
, "%*s", 17, " ");
6937 len
= vty_out (vty
, "%s", binfo
->peer
->host
);
6942 vty_out (vty
, "%s%*s", VTY_NEWLINE
, 33, " ");
6947 json_object_int_add(json
, "peerHost", len
);
6949 vty_out (vty
, "%*s", len
, " ");
6952 len
= vty_out (vty
, "%d", bdi
->flap
);
6962 json_object_int_add(json
, "bdiFlap", len
);
6964 vty_out (vty
, "%*s", len
, " ");
6968 peer_uptime (bdi
->start_time
, timebuf
, BGP_UPTIME_LEN
, use_json
, json
);
6970 vty_out (vty
, "%s ", peer_uptime (bdi
->start_time
,
6971 timebuf
, BGP_UPTIME_LEN
, 0, NULL
));
6973 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_DAMPED
)
6974 && ! CHECK_FLAG (binfo
->flags
, BGP_INFO_HISTORY
))
6977 bgp_damp_reuse_time_vty (vty
, binfo
, timebuf
, BGP_UPTIME_LEN
, use_json
, json
);
6979 vty_out (vty
, "%s ", bgp_damp_reuse_time_vty (vty
, binfo
, timebuf
, BGP_UPTIME_LEN
, use_json
, json
));
6984 vty_out (vty
, "%*s ", 8, " ");
6987 /* Print attribute */
6995 json_object_string_add(json
, "asPath", attr
->aspath
->str
);
6997 aspath_print_vty (vty
, "%s", attr
->aspath
, " ");
7002 json_object_string_add(json
, "origin", bgp_origin_str
[attr
->origin
]);
7004 vty_out (vty
, "%s", bgp_origin_str
[attr
->origin
]);
7007 vty_out (vty
, "%s", VTY_NEWLINE
);
7011 route_vty_out_advertised_to (struct vty
*vty
, struct peer
*peer
, int *first
,
7012 const char *header
, json_object
*json_adv_to
)
7014 char buf1
[INET6_ADDRSTRLEN
];
7015 json_object
*json_peer
= NULL
;
7019 /* 'advertised-to' is a dictionary of peers we have advertised this
7020 * prefix too. The key is the peer's IP or swpX, the value is the
7021 * hostname if we know it and "" if not.
7023 json_peer
= json_object_new_object();
7026 json_object_string_add(json_peer
, "hostname", peer
->hostname
);
7029 json_object_object_add(json_adv_to
, peer
->conf_if
, json_peer
);
7031 json_object_object_add(json_adv_to
,
7032 sockunion2str (&peer
->su
, buf1
, SU_ADDRSTRLEN
),
7039 vty_out (vty
, "%s", header
);
7043 if (peer
->hostname
&& bgp_flag_check(peer
->bgp
, BGP_FLAG_SHOW_HOSTNAME
))
7046 vty_out (vty
, " %s(%s)", peer
->hostname
, peer
->conf_if
);
7048 vty_out (vty
, " %s(%s)", peer
->hostname
,
7049 sockunion2str (&peer
->su
, buf1
, SU_ADDRSTRLEN
));
7054 vty_out (vty
, " %s", peer
->conf_if
);
7056 vty_out (vty
, " %s", sockunion2str (&peer
->su
, buf1
, SU_ADDRSTRLEN
));
7062 route_vty_out_detail (struct vty
*vty
, struct bgp
*bgp
, struct prefix
*p
,
7063 struct bgp_info
*binfo
, afi_t afi
, safi_t safi
,
7064 json_object
*json_paths
)
7066 char buf
[INET6_ADDRSTRLEN
];
7069 int sockunion_vty_out (struct vty
*, union sockunion
*);
7071 json_object
*json_bestpath
= NULL
;
7072 json_object
*json_cluster_list
= NULL
;
7073 json_object
*json_cluster_list_list
= NULL
;
7074 json_object
*json_ext_community
= NULL
;
7075 json_object
*json_last_update
= NULL
;
7076 json_object
*json_nexthop_global
= NULL
;
7077 json_object
*json_nexthop_ll
= NULL
;
7078 json_object
*json_nexthops
= NULL
;
7079 json_object
*json_path
= NULL
;
7080 json_object
*json_peer
= NULL
;
7081 json_object
*json_string
= NULL
;
7082 json_object
*json_adv_to
= NULL
;
7084 struct listnode
*node
, *nnode
;
7086 int addpath_capable
;
7088 unsigned int first_as
;
7092 json_path
= json_object_new_object();
7093 json_peer
= json_object_new_object();
7094 json_nexthop_global
= json_object_new_object();
7101 /* Line1 display AS-path, Aggregator */
7106 json_object_lock(attr
->aspath
->json
);
7107 json_object_object_add(json_path
, "aspath", attr
->aspath
->json
);
7111 if (attr
->aspath
->segments
)
7112 aspath_print_vty (vty
, " %s", attr
->aspath
, "");
7114 vty_out (vty
, " Local");
7118 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_REMOVED
))
7121 json_object_boolean_true_add(json_path
, "removed");
7123 vty_out (vty
, ", (removed)");
7126 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_STALE
))
7129 json_object_boolean_true_add(json_path
, "stale");
7131 vty_out (vty
, ", (stale)");
7134 if (CHECK_FLAG (attr
->flag
, ATTR_FLAG_BIT (BGP_ATTR_AGGREGATOR
)))
7138 json_object_int_add(json_path
, "aggregatorAs", attr
->extra
->aggregator_as
);
7139 json_object_string_add(json_path
, "aggregatorId", inet_ntoa (attr
->extra
->aggregator_addr
));
7143 vty_out (vty
, ", (aggregated by %u %s)",
7144 attr
->extra
->aggregator_as
,
7145 inet_ntoa (attr
->extra
->aggregator_addr
));
7149 if (CHECK_FLAG (binfo
->peer
->af_flags
[afi
][safi
], PEER_FLAG_REFLECTOR_CLIENT
))
7152 json_object_boolean_true_add(json_path
, "rxedFromRrClient");
7154 vty_out (vty
, ", (Received from a RR-client)");
7157 if (CHECK_FLAG (binfo
->peer
->af_flags
[afi
][safi
], PEER_FLAG_RSERVER_CLIENT
))
7160 json_object_boolean_true_add(json_path
, "rxedFromRsClient");
7162 vty_out (vty
, ", (Received from a RS-client)");
7165 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_HISTORY
))
7168 json_object_boolean_true_add(json_path
, "dampeningHistoryEntry");
7170 vty_out (vty
, ", (history entry)");
7172 else if (CHECK_FLAG (binfo
->flags
, BGP_INFO_DAMPED
))
7175 json_object_boolean_true_add(json_path
, "dampeningSuppressed");
7177 vty_out (vty
, ", (suppressed due to dampening)");
7181 vty_out (vty
, "%s", VTY_NEWLINE
);
7183 /* Line2 display Next-hop, Neighbor, Router-id */
7184 /* Display the nexthop */
7185 if (p
->family
== AF_INET
&&
7186 (safi
== SAFI_MPLS_VPN
||
7187 safi
== SAFI_ENCAP
||
7188 safi
== SAFI_EVPN
||
7189 !BGP_ATTR_NEXTHOP_AFI_IP6(attr
)))
7191 if (safi
== SAFI_MPLS_VPN
|| safi
== SAFI_ENCAP
|| safi
== SAFI_EVPN
)
7194 json_object_string_add(json_nexthop_global
, "ip", inet_ntoa (attr
->extra
->mp_nexthop_global_in
));
7196 vty_out (vty
, " %s", inet_ntoa (attr
->extra
->mp_nexthop_global_in
));
7201 json_object_string_add(json_nexthop_global
, "ip", inet_ntoa (attr
->nexthop
));
7203 vty_out (vty
, " %s", inet_ntoa (attr
->nexthop
));
7207 json_object_string_add(json_nexthop_global
, "afi", "ipv4");
7211 assert (attr
->extra
);
7214 json_object_string_add(json_nexthop_global
, "ip",
7215 inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_global
,
7216 buf
, INET6_ADDRSTRLEN
));
7217 json_object_string_add(json_nexthop_global
, "afi", "ipv6");
7218 json_object_string_add(json_nexthop_global
, "scope", "global");
7222 vty_out (vty
, " %s",
7223 inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_global
,
7224 buf
, INET6_ADDRSTRLEN
));
7228 /* Display the IGP cost or 'inaccessible' */
7229 if (! CHECK_FLAG (binfo
->flags
, BGP_INFO_VALID
))
7232 json_object_boolean_false_add(json_nexthop_global
, "accessible");
7234 vty_out (vty
, " (inaccessible)");
7238 if (binfo
->extra
&& binfo
->extra
->igpmetric
)
7241 json_object_int_add(json_nexthop_global
, "metric", binfo
->extra
->igpmetric
);
7243 vty_out (vty
, " (metric %u)", binfo
->extra
->igpmetric
);
7246 /* IGP cost is 0, display this only for json */
7250 json_object_int_add(json_nexthop_global
, "metric", 0);
7254 json_object_boolean_true_add(json_nexthop_global
, "accessible");
7257 /* Display peer "from" output */
7258 /* This path was originated locally */
7259 if (binfo
->peer
== bgp
->peer_self
)
7262 if (p
->family
== AF_INET
&& !BGP_ATTR_NEXTHOP_AFI_IP6(attr
))
7265 json_object_string_add(json_peer
, "peerId", "0.0.0.0");
7267 vty_out (vty
, " from 0.0.0.0 ");
7272 json_object_string_add(json_peer
, "peerId", "::");
7274 vty_out (vty
, " from :: ");
7278 json_object_string_add(json_peer
, "routerId", inet_ntoa(bgp
->router_id
));
7280 vty_out (vty
, "(%s)", inet_ntoa(bgp
->router_id
));
7283 /* We RXed this path from one of our peers */
7289 json_object_string_add(json_peer
, "peerId", sockunion2str (&binfo
->peer
->su
, buf
, SU_ADDRSTRLEN
));
7290 json_object_string_add(json_peer
, "routerId", inet_ntop (AF_INET
, &binfo
->peer
->remote_id
, buf1
, BUFSIZ
));
7292 if (binfo
->peer
->hostname
)
7293 json_object_string_add(json_peer
, "hostname", binfo
->peer
->hostname
);
7295 if (binfo
->peer
->domainname
)
7296 json_object_string_add(json_peer
, "domainname", binfo
->peer
->domainname
);
7298 if (binfo
->peer
->conf_if
)
7299 json_object_string_add(json_peer
, "interface", binfo
->peer
->conf_if
);
7303 if (binfo
->peer
->conf_if
)
7305 if (binfo
->peer
->hostname
&&
7306 bgp_flag_check(binfo
->peer
->bgp
, BGP_FLAG_SHOW_HOSTNAME
))
7307 vty_out (vty
, " from %s(%s)", binfo
->peer
->hostname
,
7308 binfo
->peer
->conf_if
);
7310 vty_out (vty
, " from %s", binfo
->peer
->conf_if
);
7314 if (binfo
->peer
->hostname
&&
7315 bgp_flag_check(binfo
->peer
->bgp
, BGP_FLAG_SHOW_HOSTNAME
))
7316 vty_out (vty
, " from %s(%s)", binfo
->peer
->hostname
,
7319 vty_out (vty
, " from %s", sockunion2str (&binfo
->peer
->su
, buf
, SU_ADDRSTRLEN
));
7322 if (attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID
))
7323 vty_out (vty
, " (%s)", inet_ntoa (attr
->extra
->originator_id
));
7325 vty_out (vty
, " (%s)", inet_ntop (AF_INET
, &binfo
->peer
->remote_id
, buf1
, BUFSIZ
));
7330 vty_out (vty
, "%s", VTY_NEWLINE
);
7332 /* display the link-local nexthop */
7333 if (attr
->extra
&& attr
->extra
->mp_nexthop_len
== BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL
)
7337 json_nexthop_ll
= json_object_new_object();
7338 json_object_string_add(json_nexthop_ll
, "ip",
7339 inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_local
,
7340 buf
, INET6_ADDRSTRLEN
));
7341 json_object_string_add(json_nexthop_ll
, "afi", "ipv6");
7342 json_object_string_add(json_nexthop_ll
, "scope", "link-local");
7344 json_object_boolean_true_add(json_nexthop_ll
, "accessible");
7346 if (!attr
->extra
->mp_nexthop_prefer_global
)
7347 json_object_boolean_true_add(json_nexthop_ll
, "used");
7349 json_object_boolean_true_add(json_nexthop_global
, "used");
7353 vty_out (vty
, " (%s) %s%s",
7354 inet_ntop (AF_INET6
, &attr
->extra
->mp_nexthop_local
,
7355 buf
, INET6_ADDRSTRLEN
),
7356 attr
->extra
->mp_nexthop_prefer_global
?
7357 "(prefer-global)" : "(used)",
7361 /* If we do not have a link-local nexthop then we must flag the global as "used" */
7365 json_object_boolean_true_add(json_nexthop_global
, "used");
7368 /* Line 3 display Origin, Med, Locpref, Weight, Tag, valid, Int/Ext/Local, Atomic, best */
7370 json_object_string_add(json_path
, "origin", bgp_origin_long_str
[attr
->origin
]);
7372 vty_out (vty
, " Origin %s", bgp_origin_long_str
[attr
->origin
]);
7374 if (attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC
))
7377 json_object_int_add(json_path
, "med", attr
->med
);
7379 vty_out (vty
, ", metric %u", attr
->med
);
7382 if (attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF
))
7385 json_object_int_add(json_path
, "localpref", attr
->local_pref
);
7387 vty_out (vty
, ", localpref %u", attr
->local_pref
);
7392 json_object_int_add(json_path
, "localpref", bgp
->default_local_pref
);
7394 vty_out (vty
, ", localpref %u", bgp
->default_local_pref
);
7397 if (attr
->extra
&& attr
->extra
->weight
!= 0)
7400 json_object_int_add(json_path
, "weight", attr
->extra
->weight
);
7402 vty_out (vty
, ", weight %u", attr
->extra
->weight
);
7405 if (attr
->extra
&& attr
->extra
->tag
!= 0)
7408 json_object_int_add(json_path
, "tag", attr
->extra
->tag
);
7410 vty_out (vty
, ", tag %"ROUTE_TAG_PRI
, attr
->extra
->tag
);
7413 if (! CHECK_FLAG (binfo
->flags
, BGP_INFO_VALID
))
7416 json_object_boolean_false_add(json_path
, "valid");
7418 vty_out (vty
, ", invalid");
7420 else if (! CHECK_FLAG (binfo
->flags
, BGP_INFO_HISTORY
))
7423 json_object_boolean_true_add(json_path
, "valid");
7425 vty_out (vty
, ", valid");
7428 if (binfo
->peer
!= bgp
->peer_self
)
7430 if (binfo
->peer
->as
== binfo
->peer
->local_as
)
7432 if (CHECK_FLAG(bgp
->config
, BGP_CONFIG_CONFEDERATION
))
7435 json_object_string_add(json_peer
, "type", "confed-internal");
7437 vty_out (vty
, ", confed-internal");
7442 json_object_string_add(json_peer
, "type", "internal");
7444 vty_out (vty
, ", internal");
7449 if (bgp_confederation_peers_check(bgp
, binfo
->peer
->as
))
7452 json_object_string_add(json_peer
, "type", "confed-external");
7454 vty_out (vty
, ", confed-external");
7459 json_object_string_add(json_peer
, "type", "external");
7461 vty_out (vty
, ", external");
7465 else if (binfo
->sub_type
== BGP_ROUTE_AGGREGATE
)
7469 json_object_boolean_true_add(json_path
, "aggregated");
7470 json_object_boolean_true_add(json_path
, "local");
7474 vty_out (vty
, ", aggregated, local");
7477 else if (binfo
->type
!= ZEBRA_ROUTE_BGP
)
7480 json_object_boolean_true_add(json_path
, "sourced");
7482 vty_out (vty
, ", sourced");
7488 json_object_boolean_true_add(json_path
, "sourced");
7489 json_object_boolean_true_add(json_path
, "local");
7493 vty_out (vty
, ", sourced, local");
7497 if (attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_ATOMIC_AGGREGATE
))
7500 json_object_boolean_true_add(json_path
, "atomicAggregate");
7502 vty_out (vty
, ", atomic-aggregate");
7505 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_MULTIPATH
) ||
7506 (CHECK_FLAG (binfo
->flags
, BGP_INFO_SELECTED
) &&
7507 bgp_info_mpath_count (binfo
)))
7510 json_object_boolean_true_add(json_path
, "multipath");
7512 vty_out (vty
, ", multipath");
7515 // Mark the bestpath(s)
7516 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_DMED_SELECTED
))
7518 first_as
= aspath_get_first_as(attr
->aspath
);
7523 json_bestpath
= json_object_new_object();
7524 json_object_int_add(json_bestpath
, "bestpathFromAs", first_as
);
7529 vty_out (vty
, ", bestpath-from-AS %d", first_as
);
7531 vty_out (vty
, ", bestpath-from-AS Local");
7535 if (CHECK_FLAG (binfo
->flags
, BGP_INFO_SELECTED
))
7540 json_bestpath
= json_object_new_object();
7541 json_object_boolean_true_add(json_bestpath
, "overall");
7544 vty_out (vty
, ", best");
7548 json_object_object_add(json_path
, "bestpath", json_bestpath
);
7551 vty_out (vty
, "%s", VTY_NEWLINE
);
7553 /* Line 4 display Community */
7554 if (attr
->community
)
7558 json_object_lock(attr
->community
->json
);
7559 json_object_object_add(json_path
, "community", attr
->community
->json
);
7563 vty_out (vty
, " Community: %s%s", attr
->community
->str
,
7568 /* Line 5 display Extended-community */
7569 if (attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES
))
7573 json_ext_community
= json_object_new_object();
7574 json_object_string_add(json_ext_community
, "string", attr
->extra
->ecommunity
->str
);
7575 json_object_object_add(json_path
, "extendedCommunity", json_ext_community
);
7579 vty_out (vty
, " Extended Community: %s%s",
7580 attr
->extra
->ecommunity
->str
, VTY_NEWLINE
);
7584 /* Line 6 display Large community */
7585 if (attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_LARGE_COMMUNITIES
))
7586 vty_out (vty
, " Large Community: %s%s",
7587 attr
->extra
->lcommunity
->str
, VTY_NEWLINE
);
7589 /* Line 7 display Originator, Cluster-id */
7590 if ((attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID
)) ||
7591 (attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST
)))
7593 assert (attr
->extra
);
7594 if (attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID
))
7597 json_object_string_add(json_path
, "originatorId", inet_ntoa (attr
->extra
->originator_id
));
7599 vty_out (vty
, " Originator: %s",
7600 inet_ntoa (attr
->extra
->originator_id
));
7603 if (attr
->flag
& ATTR_FLAG_BIT(BGP_ATTR_CLUSTER_LIST
))
7609 json_cluster_list
= json_object_new_object();
7610 json_cluster_list_list
= json_object_new_array();
7612 for (i
= 0; i
< attr
->extra
->cluster
->length
/ 4; i
++)
7614 json_string
= json_object_new_string(inet_ntoa (attr
->extra
->cluster
->list
[i
]));
7615 json_object_array_add(json_cluster_list_list
, json_string
);
7618 /* struct cluster_list does not have "str" variable like
7619 * aspath and community do. Add this someday if someone
7621 json_object_string_add(json_cluster_list, "string", attr->extra->cluster->str);
7623 json_object_object_add(json_cluster_list
, "list", json_cluster_list_list
);
7624 json_object_object_add(json_path
, "clusterList", json_cluster_list
);
7628 vty_out (vty
, ", Cluster list: ");
7630 for (i
= 0; i
< attr
->extra
->cluster
->length
/ 4; i
++)
7632 vty_out (vty
, "%s ",
7633 inet_ntoa (attr
->extra
->cluster
->list
[i
]));
7639 vty_out (vty
, "%s", VTY_NEWLINE
);
7642 if (binfo
->extra
&& binfo
->extra
->damp_info
)
7643 bgp_damp_info_vty (vty
, binfo
, json_path
);
7646 if (bgp_labeled_safi(safi
) && binfo
->extra
)
7648 uint32_t label
= label_pton(binfo
->extra
->tag
);
7650 json_object_int_add(json_path
, "remoteLabel", label
);
7652 vty_out(vty
, " Remote label: %d%s", label
, VTY_NEWLINE
);
7656 if (attr
->extra
->label_index
!= BGP_INVALID_LABEL_INDEX
)
7659 json_object_int_add(json_path
, "labelIndex", attr
->extra
->label_index
);
7661 vty_out(vty
, " Label Index: %d%s", attr
->extra
->label_index
, VTY_NEWLINE
);
7664 /* Line 8 display Addpath IDs */
7665 if (binfo
->addpath_rx_id
|| binfo
->addpath_tx_id
)
7669 json_object_int_add(json_path
, "addpathRxId", binfo
->addpath_rx_id
);
7670 json_object_int_add(json_path
, "addpathTxId", binfo
->addpath_tx_id
);
7674 vty_out (vty
, " AddPath ID: RX %u, TX %u%s",
7675 binfo
->addpath_rx_id
, binfo
->addpath_tx_id
,
7680 /* If we used addpath to TX a non-bestpath we need to display
7681 * "Advertised to" on a path-by-path basis */
7682 if (bgp
->addpath_tx_used
[afi
][safi
])
7686 for (ALL_LIST_ELEMENTS (bgp
->peer
, node
, nnode
, peer
))
7688 addpath_capable
= bgp_addpath_encode_tx (peer
, afi
, safi
);
7689 has_adj
= bgp_adj_out_lookup (peer
, binfo
->net
, binfo
->addpath_tx_id
);
7691 if ((addpath_capable
&& has_adj
) ||
7692 (!addpath_capable
&& has_adj
&& CHECK_FLAG (binfo
->flags
, BGP_INFO_SELECTED
)))
7694 if (json_path
&& !json_adv_to
)
7695 json_adv_to
= json_object_new_object();
7697 route_vty_out_advertised_to(vty
, peer
, &first
,
7707 json_object_object_add(json_path
, "advertisedTo", json_adv_to
);
7714 vty_out (vty
, "%s", VTY_NEWLINE
);
7719 /* Line 9 display Uptime */
7720 tbuf
= time(NULL
) - (bgp_clock() - binfo
->uptime
);
7723 json_last_update
= json_object_new_object();
7724 json_object_int_add(json_last_update
, "epoch", tbuf
);
7725 json_object_string_add(json_last_update
, "string", ctime(&tbuf
));
7726 json_object_object_add(json_path
, "lastUpdate", json_last_update
);
7729 vty_out (vty
, " Last update: %s", ctime(&tbuf
));
7732 /* We've constructed the json object for this path, add it to the json
7737 if (json_nexthop_global
|| json_nexthop_ll
)
7739 json_nexthops
= json_object_new_array();
7741 if (json_nexthop_global
)
7742 json_object_array_add(json_nexthops
, json_nexthop_global
);
7744 if (json_nexthop_ll
)
7745 json_object_array_add(json_nexthops
, json_nexthop_ll
);
7747 json_object_object_add(json_path
, "nexthops", json_nexthops
);
7750 json_object_object_add(json_path
, "peer", json_peer
);
7751 json_object_array_add(json_paths
, json_path
);
7754 vty_out (vty
, "%s", VTY_NEWLINE
);
7757 #define BGP_SHOW_HEADER_CSV "Flags, Network, Next Hop, Metric, LocPrf, Weight, Path%s"
7758 #define BGP_SHOW_DAMP_HEADER " Network From Reuse Path%s"
7759 #define BGP_SHOW_FLAP_HEADER " Network From Flaps Duration Reuse Path%s"
7762 bgp_show_prefix_list (struct vty
*vty
, struct bgp
*bgp
,
7763 const char *prefix_list_str
, afi_t afi
,
7764 safi_t safi
, enum bgp_show_type type
);
7766 bgp_show_filter_list (struct vty
*vty
, struct bgp
*bgp
,
7767 const char *filter
, afi_t afi
,
7768 safi_t safi
, enum bgp_show_type type
);
7770 bgp_show_route_map (struct vty
*vty
, struct bgp
*bgp
,
7771 const char *rmap_str
, afi_t afi
,
7772 safi_t safi
, enum bgp_show_type type
);
7774 bgp_show_community_list (struct vty
*vty
, struct bgp
*bgp
,
7775 const char *com
, int exact
,
7776 afi_t afi
, safi_t safi
);
7778 bgp_show_prefix_longer (struct vty
*vty
, struct bgp
*bgp
,
7779 const char *prefix
, afi_t afi
,
7780 safi_t safi
, enum bgp_show_type type
);
7782 bgp_show_regexp (struct vty
*vty
, const char *regstr
, afi_t afi
,
7783 safi_t safi
, enum bgp_show_type type
);
7785 bgp_show_community (struct vty
*vty
, struct bgp
*bgp
, int argc
,
7786 struct cmd_token
**argv
, int exact
, afi_t afi
, safi_t safi
);
7789 bgp_show_table (struct vty
*vty
, struct bgp
*bgp
, struct bgp_table
*table
,
7790 enum bgp_show_type type
, void *output_arg
, u_char use_json
)
7792 struct bgp_info
*ri
;
7793 struct bgp_node
*rn
;
7796 unsigned long output_count
;
7797 unsigned long total_count
;
7801 json_object
*json_paths
= NULL
;
7806 vty_out (vty
, "{ \"vrfId\": %d, \"vrfName\": \"%s\", \"tableVersion\": %" PRId64
", \"routerId\": \"%s\", \"routes\": { ",
7807 bgp
->vrf_id
== VRF_UNKNOWN
? -1 : bgp
->vrf_id
,
7808 bgp
->inst_type
== BGP_INSTANCE_TYPE_DEFAULT
? "Default" : bgp
->name
,
7809 table
->version
, inet_ntoa (bgp
->router_id
));
7810 json_paths
= json_object_new_object();
7813 /* This is first entry point, so reset total line. */
7817 /* Start processing of routes. */
7818 for (rn
= bgp_table_top (table
); rn
; rn
= bgp_route_next (rn
))
7819 if (rn
->info
!= NULL
)
7822 if (!first
&& use_json
)
7827 json_paths
= json_object_new_array();
7831 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
7834 if (type
== bgp_show_type_flap_statistics
7835 || type
== bgp_show_type_flap_neighbor
7836 || type
== bgp_show_type_dampend_paths
7837 || type
== bgp_show_type_damp_neighbor
)
7839 if (!(ri
->extra
&& ri
->extra
->damp_info
))
7842 if (type
== bgp_show_type_regexp
)
7844 regex_t
*regex
= output_arg
;
7846 if (bgp_regexec (regex
, ri
->attr
->aspath
) == REG_NOMATCH
)
7849 if (type
== bgp_show_type_prefix_list
)
7851 struct prefix_list
*plist
= output_arg
;
7853 if (prefix_list_apply (plist
, &rn
->p
) != PREFIX_PERMIT
)
7856 if (type
== bgp_show_type_filter_list
)
7858 struct as_list
*as_list
= output_arg
;
7860 if (as_list_apply (as_list
, ri
->attr
->aspath
) != AS_FILTER_PERMIT
)
7863 if (type
== bgp_show_type_route_map
)
7865 struct route_map
*rmap
= output_arg
;
7866 struct bgp_info binfo
;
7867 struct attr dummy_attr
;
7868 struct attr_extra dummy_extra
;
7871 dummy_attr
.extra
= &dummy_extra
;
7872 bgp_attr_dup (&dummy_attr
, ri
->attr
);
7874 binfo
.peer
= ri
->peer
;
7875 binfo
.attr
= &dummy_attr
;
7877 ret
= route_map_apply (rmap
, &rn
->p
, RMAP_BGP
, &binfo
);
7878 if (ret
== RMAP_DENYMATCH
)
7881 if (type
== bgp_show_type_neighbor
7882 || type
== bgp_show_type_flap_neighbor
7883 || type
== bgp_show_type_damp_neighbor
)
7885 union sockunion
*su
= output_arg
;
7887 if (ri
->peer
== NULL
||
7888 ri
->peer
->su_remote
== NULL
|| ! sockunion_same(ri
->peer
->su_remote
, su
))
7891 if (type
== bgp_show_type_cidr_only
)
7893 u_int32_t destination
;
7895 destination
= ntohl (rn
->p
.u
.prefix4
.s_addr
);
7896 if (IN_CLASSC (destination
) && rn
->p
.prefixlen
== 24)
7898 if (IN_CLASSB (destination
) && rn
->p
.prefixlen
== 16)
7900 if (IN_CLASSA (destination
) && rn
->p
.prefixlen
== 8)
7903 if (type
== bgp_show_type_prefix_longer
)
7905 struct prefix
*p
= output_arg
;
7907 if (! prefix_match (p
, &rn
->p
))
7910 if (type
== bgp_show_type_community_all
)
7912 if (! ri
->attr
->community
)
7915 if (type
== bgp_show_type_community
)
7917 struct community
*com
= output_arg
;
7919 if (! ri
->attr
->community
||
7920 ! community_match (ri
->attr
->community
, com
))
7923 if (type
== bgp_show_type_community_exact
)
7925 struct community
*com
= output_arg
;
7927 if (! ri
->attr
->community
||
7928 ! community_cmp (ri
->attr
->community
, com
))
7931 if (type
== bgp_show_type_community_list
)
7933 struct community_list
*list
= output_arg
;
7935 if (! community_list_match (ri
->attr
->community
, list
))
7938 if (type
== bgp_show_type_community_list_exact
)
7940 struct community_list
*list
= output_arg
;
7942 if (! community_list_exact_match (ri
->attr
->community
, list
))
7945 if (type
== bgp_show_type_lcommunity
)
7947 struct lcommunity
*lcom
= output_arg
;
7949 if (! ri
->attr
->extra
|| ! ri
->attr
->extra
->lcommunity
||
7950 ! lcommunity_match (ri
->attr
->extra
->lcommunity
, lcom
))
7953 if (type
== bgp_show_type_lcommunity_list
)
7955 struct community_list
*list
= output_arg
;
7957 if (! ri
->attr
->extra
||
7958 ! lcommunity_list_match (ri
->attr
->extra
->lcommunity
, list
))
7961 if (type
== bgp_show_type_lcommunity_all
)
7963 if (! ri
->attr
->extra
|| ! ri
->attr
->extra
->lcommunity
)
7966 if (type
== bgp_show_type_dampend_paths
7967 || type
== bgp_show_type_damp_neighbor
)
7969 if (! CHECK_FLAG (ri
->flags
, BGP_INFO_DAMPED
)
7970 || CHECK_FLAG (ri
->flags
, BGP_INFO_HISTORY
))
7974 if (!use_json
&& header
)
7976 vty_out (vty
, "BGP table version is %" PRIu64
", local router ID is %s%s", table
->version
, inet_ntoa (bgp
->router_id
), VTY_NEWLINE
);
7977 vty_out (vty
, BGP_SHOW_SCODE_HEADER
, VTY_NEWLINE
, VTY_NEWLINE
);
7978 vty_out (vty
, BGP_SHOW_OCODE_HEADER
, VTY_NEWLINE
, VTY_NEWLINE
);
7979 if (type
== bgp_show_type_dampend_paths
7980 || type
== bgp_show_type_damp_neighbor
)
7981 vty_out (vty
, BGP_SHOW_DAMP_HEADER
, VTY_NEWLINE
);
7982 else if (type
== bgp_show_type_flap_statistics
7983 || type
== bgp_show_type_flap_neighbor
)
7984 vty_out (vty
, BGP_SHOW_FLAP_HEADER
, VTY_NEWLINE
);
7986 vty_out (vty
, BGP_SHOW_HEADER
, VTY_NEWLINE
);
7990 if (type
== bgp_show_type_dampend_paths
7991 || type
== bgp_show_type_damp_neighbor
)
7992 damp_route_vty_out (vty
, &rn
->p
, ri
, display
, SAFI_UNICAST
, use_json
, json_paths
);
7993 else if (type
== bgp_show_type_flap_statistics
7994 || type
== bgp_show_type_flap_neighbor
)
7995 flap_route_vty_out (vty
, &rn
->p
, ri
, display
, SAFI_UNICAST
, use_json
, json_paths
);
7997 route_vty_out (vty
, &rn
->p
, ri
, display
, SAFI_UNICAST
, json_paths
);
8007 sprintf(buf2
, "%s/%d", inet_ntop (p
->family
, &p
->u
.prefix
, buf
, BUFSIZ
), p
->prefixlen
);
8008 vty_out (vty
, "\"%s\": ", buf2
);
8009 vty_out (vty
, "%s", json_object_to_json_string (json_paths
));
8010 json_object_free (json_paths
);
8019 json_object_free (json_paths
);
8020 vty_out (vty
, " } }%s", VTY_NEWLINE
);
8024 /* No route is displayed */
8025 if (output_count
== 0)
8027 if (type
== bgp_show_type_normal
)
8028 vty_out (vty
, "No BGP prefixes displayed, %ld exist%s", total_count
, VTY_NEWLINE
);
8031 vty_out (vty
, "%sDisplayed %ld routes and %ld total paths%s",
8032 VTY_NEWLINE
, output_count
, total_count
, VTY_NEWLINE
);
8039 bgp_show (struct vty
*vty
, struct bgp
*bgp
, afi_t afi
, safi_t safi
,
8040 enum bgp_show_type type
, void *output_arg
, u_char use_json
)
8042 struct bgp_table
*table
;
8046 bgp
= bgp_get_default ();
8052 vty_out (vty
, "No BGP process is configured%s", VTY_NEWLINE
);
8055 /* use MPLS and ENCAP specific shows until they are merged */
8056 if (safi
== SAFI_MPLS_VPN
)
8058 return bgp_show_mpls_vpn(vty
, afi
, NULL
, type
, output_arg
,
8061 if (safi
== SAFI_ENCAP
)
8063 return bgp_show_encap(vty
, afi
, NULL
, type
, output_arg
,
8068 table
= bgp
->rib
[afi
][safi
];
8070 return bgp_show_table (vty
, bgp
, table
, type
, output_arg
,
8075 bgp_show_all_instances_routes_vty (struct vty
*vty
, afi_t afi
, safi_t safi
,
8078 struct listnode
*node
, *nnode
;
8080 struct bgp_table
*table
;
8084 vty_out (vty
, "{%s", VTY_NEWLINE
);
8086 for (ALL_LIST_ELEMENTS (bm
->bgp
, node
, nnode
, bgp
))
8091 vty_out (vty
, ",%s", VTY_NEWLINE
);
8095 vty_out(vty
, "\"%s\":", (bgp
->inst_type
== BGP_INSTANCE_TYPE_DEFAULT
)
8096 ? "Default" : bgp
->name
);
8100 vty_out (vty
, "%sInstance %s:%s",
8102 (bgp
->inst_type
== BGP_INSTANCE_TYPE_DEFAULT
)
8103 ? "Default" : bgp
->name
,
8106 table
= bgp
->rib
[afi
][safi
];
8107 bgp_show_table (vty
, bgp
, table
,
8108 bgp_show_type_normal
, NULL
, use_json
);
8113 vty_out (vty
, "}%s", VTY_NEWLINE
);
8116 /* Header of detailed BGP route information */
8118 route_vty_out_detail_header (struct vty
*vty
, struct bgp
*bgp
,
8119 struct bgp_node
*rn
,
8120 struct prefix_rd
*prd
, afi_t afi
, safi_t safi
,
8123 struct bgp_info
*ri
;
8126 struct listnode
*node
, *nnode
;
8127 char buf1
[INET6_ADDRSTRLEN
];
8128 char buf2
[INET6_ADDRSTRLEN
];
8133 int no_advertise
= 0;
8136 json_object
*json_adv_to
= NULL
;
8142 json_object_string_add(json
, "prefix", inet_ntop (p
->family
, &p
->u
.prefix
, buf2
, INET6_ADDRSTRLEN
));
8143 json_object_int_add(json
, "prefixlen", p
->prefixlen
);
8147 if (p
->family
== AF_ETHERNET
)
8148 prefix2str (p
, buf2
, INET6_ADDRSTRLEN
);
8150 inet_ntop (p
->family
, &p
->u
.prefix
, buf2
, INET6_ADDRSTRLEN
);
8151 vty_out (vty
, "BGP routing table entry for %s%s%s/%d%s",
8152 ((safi
== SAFI_MPLS_VPN
|| safi
== SAFI_ENCAP
|| safi
== SAFI_EVPN
) ?
8153 prefix_rd2str (prd
, buf1
, RD_ADDRSTRLEN
) : ""),
8154 ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_EVPN
)) ? ":" : "",
8156 p
->prefixlen
, VTY_NEWLINE
);
8158 if (bgp_labeled_safi(safi
))
8160 vty_out(vty
, "Local label: ");
8161 if (!bgp_is_valid_label(rn
->local_label
))
8162 vty_out(vty
, "not allocated%s", VTY_NEWLINE
);
8165 uint32_t label
= label_pton(rn
->local_label
);
8166 vty_out(vty
, "%d%s", label
, VTY_NEWLINE
);
8171 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
8174 if (CHECK_FLAG (ri
->flags
, BGP_INFO_SELECTED
))
8177 if (ri
->extra
&& ri
->extra
->suppress
)
8179 if (ri
->attr
->community
!= NULL
)
8181 if (community_include (ri
->attr
->community
, COMMUNITY_NO_ADVERTISE
))
8183 if (community_include (ri
->attr
->community
, COMMUNITY_NO_EXPORT
))
8185 if (community_include (ri
->attr
->community
, COMMUNITY_LOCAL_AS
))
8193 vty_out (vty
, "Paths: (%d available", count
);
8196 vty_out (vty
, ", best #%d", best
);
8197 if (safi
== SAFI_UNICAST
)
8198 vty_out (vty
, ", table %s",
8199 (bgp
->inst_type
== BGP_INSTANCE_TYPE_DEFAULT
)
8200 ? "Default-IP-Routing-Table" : bgp
->name
);
8203 vty_out (vty
, ", no best path");
8206 vty_out (vty
, ", not advertised to any peer");
8208 vty_out (vty
, ", not advertised to EBGP peer");
8210 vty_out (vty
, ", not advertised outside local AS");
8213 vty_out (vty
, ", Advertisements suppressed by an aggregate.");
8214 vty_out (vty
, ")%s", VTY_NEWLINE
);
8217 /* If we are not using addpath then we can display Advertised to and that will
8218 * show what peers we advertised the bestpath to. If we are using addpath
8219 * though then we must display Advertised to on a path-by-path basis. */
8220 if (!bgp
->addpath_tx_used
[afi
][safi
])
8222 for (ALL_LIST_ELEMENTS (bgp
->peer
, node
, nnode
, peer
))
8224 if (bgp_adj_out_lookup (peer
, rn
, 0))
8226 if (json
&& !json_adv_to
)
8227 json_adv_to
= json_object_new_object();
8229 route_vty_out_advertised_to(vty
, peer
, &first
,
8230 " Advertised to non peer-group peers:\n ",
8239 json_object_object_add(json
, "advertisedTo", json_adv_to
);
8245 vty_out (vty
, " Not advertised to any peer");
8246 vty_out (vty
, "%s", VTY_NEWLINE
);
8251 /* Display specified route of BGP table. */
8253 bgp_show_route_in_table (struct vty
*vty
, struct bgp
*bgp
,
8254 struct bgp_table
*rib
, const char *ip_str
,
8255 afi_t afi
, safi_t safi
, struct prefix_rd
*prd
,
8256 int prefix_check
, enum bgp_path_type pathtype
,
8262 struct prefix match
;
8263 struct bgp_node
*rn
;
8264 struct bgp_node
*rm
;
8265 struct bgp_info
*ri
;
8266 struct bgp_table
*table
;
8267 json_object
*json
= NULL
;
8268 json_object
*json_paths
= NULL
;
8270 /* Check IP address argument. */
8271 ret
= str2prefix (ip_str
, &match
);
8274 vty_out (vty
, "address is malformed%s", VTY_NEWLINE
);
8278 match
.family
= afi2family (afi
);
8282 json
= json_object_new_object();
8283 json_paths
= json_object_new_array();
8286 if (safi
== SAFI_MPLS_VPN
|| safi
== SAFI_ENCAP
|| safi
== SAFI_EVPN
)
8288 for (rn
= bgp_table_top (rib
); rn
; rn
= bgp_route_next (rn
))
8290 if (prd
&& memcmp (rn
->p
.u
.val
, prd
->val
, 8) != 0)
8293 if ((table
= rn
->info
) != NULL
)
8297 if ((rm
= bgp_node_match (table
, &match
)) != NULL
)
8299 if (prefix_check
&& rm
->p
.prefixlen
!= match
.prefixlen
)
8301 bgp_unlock_node (rm
);
8305 for (ri
= rm
->info
; ri
; ri
= ri
->next
)
8309 route_vty_out_detail_header (vty
, bgp
, rm
, (struct prefix_rd
*)&rn
->p
,
8310 AFI_IP
, safi
, json
);
8315 if (pathtype
== BGP_PATH_ALL
||
8316 (pathtype
== BGP_PATH_BESTPATH
&& CHECK_FLAG (ri
->flags
, BGP_INFO_SELECTED
)) ||
8317 (pathtype
== BGP_PATH_MULTIPATH
&&
8318 (CHECK_FLAG (ri
->flags
, BGP_INFO_MULTIPATH
) || CHECK_FLAG (ri
->flags
, BGP_INFO_SELECTED
))))
8319 route_vty_out_detail (vty
, bgp
, &rm
->p
, ri
, AFI_IP
, safi
, json_paths
);
8322 bgp_unlock_node (rm
);
8331 if ((rn
= bgp_node_match (rib
, &match
)) != NULL
)
8333 if (! prefix_check
|| rn
->p
.prefixlen
== match
.prefixlen
)
8335 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
8339 route_vty_out_detail_header (vty
, bgp
, rn
, NULL
, afi
, safi
, json
);
8344 if (pathtype
== BGP_PATH_ALL
||
8345 (pathtype
== BGP_PATH_BESTPATH
&& CHECK_FLAG (ri
->flags
, BGP_INFO_SELECTED
)) ||
8346 (pathtype
== BGP_PATH_MULTIPATH
&&
8347 (CHECK_FLAG (ri
->flags
, BGP_INFO_MULTIPATH
) || CHECK_FLAG (ri
->flags
, BGP_INFO_SELECTED
))))
8348 route_vty_out_detail (vty
, bgp
, &rn
->p
, ri
, afi
, safi
, json_paths
);
8352 bgp_unlock_node (rn
);
8359 json_object_object_add(json
, "paths", json_paths
);
8361 vty_out (vty
, "%s%s", json_object_to_json_string_ext(json
, JSON_C_TO_STRING_PRETTY
), VTY_NEWLINE
);
8362 json_object_free(json
);
8368 vty_out (vty
, "%% Network not in table%s", VTY_NEWLINE
);
8376 /* Display specified route of Main RIB */
8378 bgp_show_route (struct vty
*vty
, struct bgp
*bgp
, const char *ip_str
,
8379 afi_t afi
, safi_t safi
, struct prefix_rd
*prd
,
8380 int prefix_check
, enum bgp_path_type pathtype
,
8384 bgp
= bgp_get_default ();
8386 return bgp_show_route_in_table (vty
, bgp
, bgp
->rib
[afi
][safi
], ip_str
,
8387 afi
, safi
, prd
, prefix_check
, pathtype
,
8392 bgp_show_lcommunity (struct vty
*vty
, struct bgp
*bgp
, int argc
,
8393 struct cmd_token
**argv
, afi_t afi
, safi_t safi
, u_char uj
)
8395 struct lcommunity
*lcom
;
8401 b
= buffer_new (1024);
8402 for (i
= 0; i
< argc
; i
++)
8405 buffer_putc (b
, ' ');
8408 if (strmatch (argv
[i
]->text
, "AA:BB:CC"))
8411 buffer_putstr (b
, argv
[i
]->arg
);
8415 buffer_putc (b
, '\0');
8417 str
= buffer_getstr (b
);
8420 lcom
= lcommunity_str2com (str
);
8421 XFREE (MTYPE_TMP
, str
);
8424 vty_out (vty
, "%% Large-community malformed%s", VTY_NEWLINE
);
8428 return bgp_show (vty
, bgp
, afi
, safi
, bgp_show_type_lcommunity
, lcom
, uj
);
8432 bgp_show_lcommunity_list (struct vty
*vty
, struct bgp
*bgp
, const char *lcom
,
8433 afi_t afi
, safi_t safi
, u_char uj
)
8435 struct community_list
*list
;
8437 list
= community_list_lookup (bgp_clist
, lcom
, LARGE_COMMUNITY_LIST_MASTER
);
8440 vty_out (vty
, "%% %s is not a valid large-community-list name%s", lcom
,
8445 return bgp_show (vty
, bgp
, afi
, safi
, bgp_show_type_lcommunity_list
, list
, uj
);
8448 DEFUN (show_ip_bgp_large_community_list
,
8449 show_ip_bgp_large_community_list_cmd
,
8450 "show [ip] bgp [<view|vrf> WORD] [<ipv4|ipv6> [<unicast|multicast|vpn|encap|labeled-unicast>]] large-community-list <(1-500)|WORD> [json]",
8454 BGP_INSTANCE_HELP_STR
8457 "Address Family modifier\n"
8458 "Address Family modifier\n"
8459 "Address Family modifier\n"
8460 "Address Family modifier\n"
8461 "Address Family modifier\n"
8462 "Display routes matching the large-community-list\n"
8463 "large-community-list number\n"
8464 "large-community-list name\n"
8468 afi_t afi
= AFI_IP6
;
8469 safi_t safi
= SAFI_UNICAST
;
8472 if (argv_find (argv
, argc
, "ip", &idx
))
8474 if (argv_find (argv
, argc
, "view", &idx
) || argv_find (argv
, argc
, "vrf", &idx
))
8475 vrf
= argv
[++idx
]->arg
;
8476 if (argv_find (argv
, argc
, "ipv4", &idx
) || argv_find (argv
, argc
, "ipv6", &idx
))
8478 afi
= strmatch(argv
[idx
]->text
, "ipv6") ? AFI_IP6
: AFI_IP
;
8479 if (argv_find (argv
, argc
, "unicast", &idx
) || argv_find (argv
, argc
, "multicast", &idx
))
8480 safi
= bgp_vty_safi_from_arg (argv
[idx
]->text
);
8483 int uj
= use_json (argc
, argv
);
8485 struct bgp
*bgp
= bgp_lookup_by_name (vrf
);
8488 vty_out (vty
, "Can't find BGP instance %s%s", vrf
, VTY_NEWLINE
);
8492 argv_find (argv
, argc
, "large-community-list", &idx
);
8493 return bgp_show_lcommunity_list (vty
, bgp
, argv
[idx
+1]->arg
, afi
, safi
, uj
);
8495 DEFUN (show_ip_bgp_large_community
,
8496 show_ip_bgp_large_community_cmd
,
8497 "show [ip] bgp [<view|vrf> WORD] [<ipv4|ipv6> [<unicast|multicast|vpn|encap|labeled-unicast>]] large-community [AA:BB:CC] [json]",
8501 BGP_INSTANCE_HELP_STR
8504 "Address Family modifier\n"
8505 "Address Family modifier\n"
8506 "Address Family modifier\n"
8507 "Address Family modifier\n"
8508 "Address Family modifier\n"
8509 "Display routes matching the large-communities\n"
8510 "List of large-community numbers\n"
8514 afi_t afi
= AFI_IP6
;
8515 safi_t safi
= SAFI_UNICAST
;
8518 if (argv_find (argv
, argc
, "ip", &idx
))
8520 if (argv_find (argv
, argc
, "view", &idx
) || argv_find (argv
, argc
, "vrf", &idx
))
8521 vrf
= argv
[++idx
]->arg
;
8522 if (argv_find (argv
, argc
, "ipv4", &idx
) || argv_find (argv
, argc
, "ipv6", &idx
))
8524 afi
= strmatch(argv
[idx
]->text
, "ipv6") ? AFI_IP6
: AFI_IP
;
8525 if (argv_find (argv
, argc
, "unicast", &idx
) || argv_find (argv
, argc
, "multicast", &idx
))
8526 safi
= bgp_vty_safi_from_arg (argv
[idx
]->text
);
8529 int uj
= use_json (argc
, argv
);
8531 struct bgp
*bgp
= bgp_lookup_by_name (vrf
);
8534 vty_out (vty
, "Can't find BGP instance %s%s", vrf
, VTY_NEWLINE
);
8538 if (argv_find (argv
, argc
, "AA:BB:CC", &idx
))
8539 return bgp_show_lcommunity (vty
, bgp
, argc
, argv
, afi
, safi
, uj
);
8541 return bgp_show (vty
, bgp
, afi
, safi
, bgp_show_type_lcommunity_all
, NULL
, uj
);
8544 static int bgp_table_stats (struct vty
*vty
, struct bgp
*bgp
, afi_t afi
, safi_t safi
);
8546 /* BGP route print out function. */
8549 "show [ip] bgp [<view|vrf> WORD] ["BGP_AFI_CMD_STR
" ["BGP_SAFI_CMD_STR
"]]\
8552 |dampening <flap-statistics|dampened-paths|parameters>\
8557 |community [<AA:NN|local-AS|no-advertise|no-export> [exact-match]]\
8558 |community-list <(1-500)|WORD> [exact-match]\
8559 |A.B.C.D/M longer-prefixes\
8560 |X:X::X:X/M longer-prefixes>\
8565 BGP_INSTANCE_HELP_STR
8568 "Display only routes with non-natural netmasks\n"
8569 "Display detailed information about dampening\n"
8570 "Display flap statistics of routes\n"
8571 "Display paths suppressed due to dampening\n"
8572 "Display detail of configured dampening parameters\n"
8573 "Display routes matching the route-map\n"
8574 "A route-map to match on\n"
8575 "Display routes conforming to the prefix-list\n"
8576 "Prefix-list name\n"
8577 "Display routes conforming to the filter-list\n"
8578 "Regular expression access list name\n"
8579 "BGP RIB advertisement statistics\n"
8580 "Display routes matching the communities\n"
8582 "Do not send outside local AS (well-known community)\n"
8583 "Do not advertise to any peer (well-known community)\n"
8584 "Do not export to next AS (well-known community)\n"
8585 "Exact match of the communities\n"
8586 "Display routes matching the community-list\n"
8587 "community-list number\n"
8588 "community-list name\n"
8589 "Exact match of the communities\n"
8591 "Display route and more specific routes\n"
8593 "Display route and more specific routes\n"
8596 afi_t afi
= AFI_IP6
;
8597 safi_t safi
= SAFI_UNICAST
;
8598 int exact_match
= 0;
8599 enum bgp_show_type sh_type
= bgp_show_type_normal
;
8600 struct bgp
*bgp
= NULL
;
8603 bgp_vty_find_and_parse_afi_safi_bgp (vty
, argv
, argc
, &idx
, &afi
, &safi
, &bgp
);
8607 int uj
= use_json (argc
, argv
);
8610 if (argv_find(argv
, argc
, "cidr-only", &idx
))
8611 return bgp_show (vty
, bgp
, afi
, safi
, bgp_show_type_cidr_only
, NULL
, uj
);
8613 if (argv_find(argv
, argc
, "dampening", &idx
))
8615 if (argv_find (argv
, argc
, "dampened-paths", &idx
))
8616 return bgp_show (vty
, bgp
, afi
, safi
, bgp_show_type_dampend_paths
, NULL
, uj
);
8617 else if (argv_find (argv
, argc
, "flap-statistics", &idx
))
8618 return bgp_show (vty
, bgp
, afi
, safi
, bgp_show_type_flap_statistics
, NULL
, uj
);
8619 else if (argv_find (argv
, argc
, "parameters", &idx
))
8620 return bgp_show_dampening_parameters (vty
, afi
, safi
);
8623 if (argv_find(argv
, argc
, "prefix-list", &idx
))
8624 return bgp_show_prefix_list (vty
, bgp
, argv
[idx
+ 1]->arg
, afi
, safi
, bgp_show_type_prefix_list
);
8626 if (argv_find(argv
, argc
, "filter-list", &idx
))
8627 return bgp_show_filter_list (vty
, bgp
, argv
[idx
+ 1]->arg
, afi
, safi
, bgp_show_type_filter_list
);
8629 if (argv_find(argv
, argc
, "statistics", &idx
))
8630 return bgp_table_stats (vty
, bgp
, afi
, safi
);
8632 if (argv_find(argv
, argc
, "route-map", &idx
))
8633 return bgp_show_route_map (vty
, bgp
, argv
[idx
+ 1]->arg
, afi
, safi
, bgp_show_type_route_map
);
8635 if (argv_find(argv
, argc
, "community", &idx
))
8637 /* show a specific community */
8638 if (argv_find (argv
, argc
, "local-AS", &idx
) ||
8639 argv_find (argv
, argc
, "no-advertise", &idx
) ||
8640 argv_find (argv
, argc
, "no-export", &idx
))
8642 if (argv_find (argv
, argc
, "exact_match", &idx
))
8644 return bgp_show_community (vty
, bgp
, argc
, argv
, exact_match
, afi
, safi
);
8646 /* show all communities */
8648 return bgp_show (vty
, bgp
, afi
, safi
, bgp_show_type_community_all
, NULL
, uj
);
8651 if (argv_find(argv
, argc
, "community-list", &idx
))
8653 const char *clist_number_or_name
= argv
[++idx
]->arg
;
8654 if (++idx
< argc
&& strmatch (argv
[idx
]->text
, "exact-match"))
8656 return bgp_show_community_list (vty
, bgp
, clist_number_or_name
, exact_match
, afi
, safi
);
8659 if (argv_find(argv
, argc
, "A.B.C.D/M", &idx
) || argv_find(argv
, argc
, "X:X::X:X/M", &idx
))
8660 return bgp_show_prefix_longer (vty
, bgp
, argv
[idx
]->arg
, afi
, safi
, bgp_show_type_prefix_longer
);
8662 if (safi
== SAFI_MPLS_VPN
)
8663 return bgp_show_mpls_vpn (vty
, afi
, NULL
, bgp_show_type_normal
, NULL
, 0, uj
);
8664 else if (safi
== SAFI_ENCAP
)
8665 return bgp_show_encap (vty
, afi
, NULL
, bgp_show_type_normal
, NULL
, 0);
8667 return bgp_show (vty
, bgp
, afi
, safi
, sh_type
, NULL
, uj
);
8670 DEFUN (show_ip_bgp_route
,
8671 show_ip_bgp_route_cmd
,
8672 "show [ip] bgp [<view|vrf> WORD] ["BGP_AFI_CMD_STR
" ["BGP_SAFI_CMD_STR
"]]"
8673 "<A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> [<bestpath|multipath>] [json]",
8677 BGP_INSTANCE_HELP_STR
8680 "Network in the BGP routing table to display\n"
8682 "Network in the BGP routing table to display\n"
8684 "Display only the bestpath\n"
8685 "Display only multipaths\n"
8688 int prefix_check
= 0;
8690 afi_t afi
= AFI_IP6
;
8691 safi_t safi
= SAFI_UNICAST
;
8692 char *prefix
= NULL
;
8693 struct bgp
*bgp
= NULL
;
8694 enum bgp_path_type path_type
;
8695 u_char uj
= use_json(argc
, argv
);
8699 bgp_vty_find_and_parse_afi_safi_bgp (vty
, argv
, argc
, &idx
, &afi
, &safi
, &bgp
);
8705 vty_out (vty
, "Specified 'all' vrf's but this command currently only works per view/vrf%s", VTY_NEWLINE
);
8709 /* <A.B.C.D|A.B.C.D/M|X:X::X:X|X:X::X:X/M> */
8710 if (argv_find (argv
, argc
, "A.B.C.D", &idx
) || argv_find (argv
, argc
, "X:X::X:X", &idx
))
8712 else if (argv_find (argv
, argc
, "A.B.C.D/M", &idx
) || argv_find (argv
, argc
, "X:X::X:X/M", &idx
))
8715 if ((argv
[idx
]->type
== IPV6_TKN
|| argv
[idx
]->type
== IPV6_PREFIX_TKN
) && afi
!= AFI_IP6
)
8717 vty_out (vty
, "%% Cannot specify IPv6 address or prefix with IPv4 AFI%s", VTY_NEWLINE
);
8720 if ((argv
[idx
]->type
== IPV4_TKN
|| argv
[idx
]->type
== IPV4_PREFIX_TKN
) && afi
!= AFI_IP
)
8722 vty_out (vty
, "%% Cannot specify IPv4 address or prefix with IPv6 AFI%s", VTY_NEWLINE
);
8726 prefix
= argv
[idx
]->arg
;
8728 /* [<bestpath|multipath>] */
8729 if (argv_find (argv
, argc
, "bestpath", &idx
))
8730 path_type
= BGP_PATH_BESTPATH
;
8731 else if (argv_find (argv
, argc
, "multipath", &idx
))
8732 path_type
= BGP_PATH_MULTIPATH
;
8734 path_type
= BGP_PATH_ALL
;
8736 return bgp_show_route (vty
, bgp
, prefix
, afi
, safi
, NULL
, prefix_check
, path_type
, uj
);
8739 DEFUN (show_ip_bgp_regexp
,
8740 show_ip_bgp_regexp_cmd
,
8741 "show [ip] bgp [<view|vrf> WORD] ["BGP_AFI_CMD_STR
" ["BGP_SAFI_CMD_STR
"]] regexp REGEX...",
8745 BGP_INSTANCE_HELP_STR
8748 "Display routes matching the AS path regular expression\n"
8749 "A regular-expression to match the BGP AS paths\n")
8751 afi_t afi
= AFI_IP6
;
8752 safi_t safi
= SAFI_UNICAST
;
8753 struct bgp
*bgp
= NULL
;
8756 bgp_vty_find_and_parse_afi_safi_bgp (vty
, argv
, argc
, &idx
, &afi
, &safi
, &bgp
);
8760 // get index of regex
8761 argv_find (argv
, argc
, "regexp", &idx
);
8764 char *regstr
= argv_concat (argv
, argc
, idx
);
8765 int rc
= bgp_show_regexp (vty
, (const char *) regstr
, afi
, safi
, bgp_show_type_regexp
);
8766 XFREE (MTYPE_TMP
, regstr
);
8770 DEFUN (show_ip_bgp_instance_all
,
8771 show_ip_bgp_instance_all_cmd
,
8772 "show [ip] bgp <view|vrf> all ["BGP_AFI_CMD_STR
" ["BGP_SAFI_CMD_STR
"]] [json]",
8776 BGP_INSTANCE_ALL_HELP_STR
8782 safi_t safi
= SAFI_UNICAST
;
8783 struct bgp
*bgp
= NULL
;
8786 bgp_vty_find_and_parse_afi_safi_bgp (vty
, argv
, argc
, &idx
, &afi
, &safi
, &bgp
);
8790 int uj
= use_json (argc
, argv
);
8793 bgp_show_all_instances_routes_vty (vty
, afi
, safi
, uj
);
8798 bgp_show_regexp (struct vty
*vty
, const char *regstr
, afi_t afi
,
8799 safi_t safi
, enum bgp_show_type type
)
8804 regex
= bgp_regcomp (regstr
);
8807 vty_out (vty
, "Can't compile regexp %s%s", regstr
, VTY_NEWLINE
);
8811 rc
= bgp_show (vty
, NULL
, afi
, safi
, type
, regex
, 0);
8812 bgp_regex_free (regex
);
8817 bgp_show_prefix_list (struct vty
*vty
, struct bgp
*bgp
,
8818 const char *prefix_list_str
, afi_t afi
,
8819 safi_t safi
, enum bgp_show_type type
)
8821 struct prefix_list
*plist
;
8823 plist
= prefix_list_lookup (afi
, prefix_list_str
);
8826 vty_out (vty
, "%% %s is not a valid prefix-list name%s",
8827 prefix_list_str
, VTY_NEWLINE
);
8831 return bgp_show (vty
, bgp
, afi
, safi
, type
, plist
, 0);
8835 bgp_show_filter_list (struct vty
*vty
, struct bgp
*bgp
,
8836 const char *filter
, afi_t afi
,
8837 safi_t safi
, enum bgp_show_type type
)
8839 struct as_list
*as_list
;
8841 as_list
= as_list_lookup (filter
);
8842 if (as_list
== NULL
)
8844 vty_out (vty
, "%% %s is not a valid AS-path access-list name%s", filter
, VTY_NEWLINE
);
8848 return bgp_show (vty
, bgp
, afi
, safi
, type
, as_list
, 0);
8852 bgp_show_route_map (struct vty
*vty
, struct bgp
*bgp
,
8853 const char *rmap_str
, afi_t afi
,
8854 safi_t safi
, enum bgp_show_type type
)
8856 struct route_map
*rmap
;
8858 rmap
= route_map_lookup_by_name (rmap_str
);
8861 vty_out (vty
, "%% %s is not a valid route-map name%s",
8862 rmap_str
, VTY_NEWLINE
);
8866 return bgp_show (vty
, bgp
, afi
, safi
, type
, rmap
, 0);
8870 bgp_show_community (struct vty
*vty
, struct bgp
*bgp
, int argc
,
8871 struct cmd_token
**argv
, int exact
, afi_t afi
, safi_t safi
)
8873 struct community
*com
;
8880 b
= buffer_new (1024);
8881 for (i
= 0; i
< argc
; i
++)
8884 buffer_putc (b
, ' ');
8887 if ((strcmp (argv
[i
]->arg
, "unicast") == 0) || (strcmp (argv
[i
]->arg
, "multicast") == 0))
8892 buffer_putstr (b
, argv
[i
]->arg
);
8894 buffer_putc (b
, '\0');
8896 str
= buffer_getstr (b
);
8899 com
= community_str2com (str
);
8900 XFREE (MTYPE_TMP
, str
);
8903 vty_out (vty
, "%% Community malformed: %s", VTY_NEWLINE
);
8907 ret
= bgp_show (vty
, bgp
, afi
, safi
,
8908 (exact
? bgp_show_type_community_exact
:
8909 bgp_show_type_community
), com
, 0);
8910 community_free (com
);
8916 bgp_show_community_list (struct vty
*vty
, struct bgp
*bgp
,
8917 const char *com
, int exact
,
8918 afi_t afi
, safi_t safi
)
8920 struct community_list
*list
;
8922 list
= community_list_lookup (bgp_clist
, com
, COMMUNITY_LIST_MASTER
);
8925 vty_out (vty
, "%% %s is not a valid community-list name%s", com
,
8930 return bgp_show (vty
, bgp
, afi
, safi
,
8931 (exact
? bgp_show_type_community_list_exact
:
8932 bgp_show_type_community_list
), list
, 0);
8936 bgp_show_prefix_longer (struct vty
*vty
, struct bgp
*bgp
,
8937 const char *prefix
, afi_t afi
,
8938 safi_t safi
, enum bgp_show_type type
)
8945 ret
= str2prefix (prefix
, p
);
8948 vty_out (vty
, "%% Malformed Prefix%s", VTY_NEWLINE
);
8952 ret
= bgp_show (vty
, bgp
, afi
, safi
, type
, p
, 0);
8957 static struct peer
*
8958 peer_lookup_in_view (struct vty
*vty
, struct bgp
*bgp
,
8959 const char *ip_str
, u_char use_json
)
8965 /* Get peer sockunion. */
8966 ret
= str2sockunion (ip_str
, &su
);
8969 peer
= peer_lookup_by_conf_if (bgp
, ip_str
);
8972 peer
= peer_lookup_by_hostname(bgp
, ip_str
);
8978 json_object
*json_no
= NULL
;
8979 json_no
= json_object_new_object();
8980 json_object_string_add(json_no
, "malformedAddressOrName", ip_str
);
8981 vty_out (vty
, "%s%s", json_object_to_json_string(json_no
), VTY_NEWLINE
);
8982 json_object_free(json_no
);
8985 vty_out (vty
, "%% Malformed address or name: %s%s", ip_str
, VTY_NEWLINE
);
8992 /* Peer structure lookup. */
8993 peer
= peer_lookup (bgp
, &su
);
8998 json_object
*json_no
= NULL
;
8999 json_no
= json_object_new_object();
9000 json_object_string_add(json_no
, "warning","No such neighbor");
9001 vty_out (vty
, "%s%s", json_object_to_json_string(json_no
), VTY_NEWLINE
);
9002 json_object_free(json_no
);
9005 vty_out (vty
, "No such neighbor%s", VTY_NEWLINE
);
9014 BGP_STATS_MAXBITLEN
= 0,
9018 BGP_STATS_UNAGGREGATEABLE
,
9019 BGP_STATS_MAX_AGGREGATEABLE
,
9020 BGP_STATS_AGGREGATES
,
9022 BGP_STATS_ASPATH_COUNT
,
9023 BGP_STATS_ASPATH_MAXHOPS
,
9024 BGP_STATS_ASPATH_TOTHOPS
,
9025 BGP_STATS_ASPATH_MAXSIZE
,
9026 BGP_STATS_ASPATH_TOTSIZE
,
9027 BGP_STATS_ASN_HIGHEST
,
9031 static const char *table_stats_strs
[] =
9033 [BGP_STATS_PREFIXES
] = "Total Prefixes",
9034 [BGP_STATS_TOTPLEN
] = "Average prefix length",
9035 [BGP_STATS_RIB
] = "Total Advertisements",
9036 [BGP_STATS_UNAGGREGATEABLE
] = "Unaggregateable prefixes",
9037 [BGP_STATS_MAX_AGGREGATEABLE
] = "Maximum aggregateable prefixes",
9038 [BGP_STATS_AGGREGATES
] = "BGP Aggregate advertisements",
9039 [BGP_STATS_SPACE
] = "Address space advertised",
9040 [BGP_STATS_ASPATH_COUNT
] = "Advertisements with paths",
9041 [BGP_STATS_ASPATH_MAXHOPS
] = "Longest AS-Path (hops)",
9042 [BGP_STATS_ASPATH_MAXSIZE
] = "Largest AS-Path (bytes)",
9043 [BGP_STATS_ASPATH_TOTHOPS
] = "Average AS-Path length (hops)",
9044 [BGP_STATS_ASPATH_TOTSIZE
] = "Average AS-Path size (bytes)",
9045 [BGP_STATS_ASN_HIGHEST
] = "Highest public ASN",
9046 [BGP_STATS_MAX
] = NULL
,
9049 struct bgp_table_stats
9051 struct bgp_table
*table
;
9052 unsigned long long counts
[BGP_STATS_MAX
];
9056 #define TALLY_SIGFIG 100000
9057 static unsigned long
9058 ravg_tally (unsigned long count
, unsigned long oldavg
, unsigned long newval
)
9060 unsigned long newtot
= (count
-1) * oldavg
+ (newval
* TALLY_SIGFIG
);
9061 unsigned long res
= (newtot
* TALLY_SIGFIG
) / count
;
9062 unsigned long ret
= newtot
/ count
;
9064 if ((res
% TALLY_SIGFIG
) > (TALLY_SIGFIG
/2))
9072 bgp_table_stats_walker (struct thread
*t
)
9074 struct bgp_node
*rn
;
9075 struct bgp_node
*top
;
9076 struct bgp_table_stats
*ts
= THREAD_ARG (t
);
9077 unsigned int space
= 0;
9079 if (!(top
= bgp_table_top (ts
->table
)))
9082 switch (top
->p
.family
)
9085 space
= IPV4_MAX_BITLEN
;
9088 space
= IPV6_MAX_BITLEN
;
9092 ts
->counts
[BGP_STATS_MAXBITLEN
] = space
;
9094 for (rn
= top
; rn
; rn
= bgp_route_next (rn
))
9096 struct bgp_info
*ri
;
9097 struct bgp_node
*prn
= bgp_node_parent_nolock (rn
);
9098 unsigned int rinum
= 0;
9106 ts
->counts
[BGP_STATS_PREFIXES
]++;
9107 ts
->counts
[BGP_STATS_TOTPLEN
] += rn
->p
.prefixlen
;
9110 ts
->counts
[BGP_STATS_AVGPLEN
]
9111 = ravg_tally (ts
->counts
[BGP_STATS_PREFIXES
],
9112 ts
->counts
[BGP_STATS_AVGPLEN
],
9116 /* check if the prefix is included by any other announcements */
9117 while (prn
&& !prn
->info
)
9118 prn
= bgp_node_parent_nolock (prn
);
9120 if (prn
== NULL
|| prn
== top
)
9122 ts
->counts
[BGP_STATS_UNAGGREGATEABLE
]++;
9123 /* announced address space */
9125 ts
->counts
[BGP_STATS_SPACE
] += 1 << (space
- rn
->p
.prefixlen
);
9128 ts
->counts
[BGP_STATS_MAX_AGGREGATEABLE
]++;
9130 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
9133 ts
->counts
[BGP_STATS_RIB
]++;
9136 (CHECK_FLAG (ri
->attr
->flag
,
9137 ATTR_FLAG_BIT (BGP_ATTR_ATOMIC_AGGREGATE
))))
9138 ts
->counts
[BGP_STATS_AGGREGATES
]++;
9141 if (ri
->attr
&& ri
->attr
->aspath
)
9143 unsigned int hops
= aspath_count_hops (ri
->attr
->aspath
);
9144 unsigned int size
= aspath_size (ri
->attr
->aspath
);
9145 as_t highest
= aspath_highest (ri
->attr
->aspath
);
9147 ts
->counts
[BGP_STATS_ASPATH_COUNT
]++;
9149 if (hops
> ts
->counts
[BGP_STATS_ASPATH_MAXHOPS
])
9150 ts
->counts
[BGP_STATS_ASPATH_MAXHOPS
] = hops
;
9152 if (size
> ts
->counts
[BGP_STATS_ASPATH_MAXSIZE
])
9153 ts
->counts
[BGP_STATS_ASPATH_MAXSIZE
] = size
;
9155 ts
->counts
[BGP_STATS_ASPATH_TOTHOPS
] += hops
;
9156 ts
->counts
[BGP_STATS_ASPATH_TOTSIZE
] += size
;
9158 ts
->counts
[BGP_STATS_ASPATH_AVGHOPS
]
9159 = ravg_tally (ts
->counts
[BGP_STATS_ASPATH_COUNT
],
9160 ts
->counts
[BGP_STATS_ASPATH_AVGHOPS
],
9162 ts
->counts
[BGP_STATS_ASPATH_AVGSIZE
]
9163 = ravg_tally (ts
->counts
[BGP_STATS_ASPATH_COUNT
],
9164 ts
->counts
[BGP_STATS_ASPATH_AVGSIZE
],
9167 if (highest
> ts
->counts
[BGP_STATS_ASN_HIGHEST
])
9168 ts
->counts
[BGP_STATS_ASN_HIGHEST
] = highest
;
9176 bgp_table_stats (struct vty
*vty
, struct bgp
*bgp
, afi_t afi
, safi_t safi
)
9178 struct bgp_table_stats ts
;
9181 if (!bgp
->rib
[afi
][safi
])
9183 vty_out (vty
, "%% No RIB exist's for the AFI(%d)/SAFI(%d)%s",
9184 afi
, safi
, VTY_NEWLINE
);
9188 memset (&ts
, 0, sizeof (ts
));
9189 ts
.table
= bgp
->rib
[afi
][safi
];
9190 thread_execute (bm
->master
, bgp_table_stats_walker
, &ts
, 0);
9192 vty_out (vty
, "BGP %s RIB statistics%s%s",
9193 afi_safi_print (afi
, safi
), VTY_NEWLINE
, VTY_NEWLINE
);
9195 for (i
= 0; i
< BGP_STATS_MAX
; i
++)
9197 if (!table_stats_strs
[i
])
9203 case BGP_STATS_ASPATH_AVGHOPS
:
9204 case BGP_STATS_ASPATH_AVGSIZE
:
9205 case BGP_STATS_AVGPLEN
:
9206 vty_out (vty
, "%-30s: ", table_stats_strs
[i
]);
9207 vty_out (vty
, "%12.2f",
9208 (float)ts
.counts
[i
] / (float)TALLY_SIGFIG
);
9211 case BGP_STATS_ASPATH_TOTHOPS
:
9212 case BGP_STATS_ASPATH_TOTSIZE
:
9213 vty_out (vty
, "%-30s: ", table_stats_strs
[i
]);
9214 vty_out (vty
, "%12.2f",
9216 (float)ts
.counts
[i
] /
9217 (float)ts
.counts
[BGP_STATS_ASPATH_COUNT
]
9220 case BGP_STATS_TOTPLEN
:
9221 vty_out (vty
, "%-30s: ", table_stats_strs
[i
]);
9222 vty_out (vty
, "%12.2f",
9224 (float)ts
.counts
[i
] /
9225 (float)ts
.counts
[BGP_STATS_PREFIXES
]
9228 case BGP_STATS_SPACE
:
9229 vty_out (vty
, "%-30s: ", table_stats_strs
[i
]);
9230 vty_out (vty
, "%12llu%s", ts
.counts
[i
], VTY_NEWLINE
);
9231 if (ts
.counts
[BGP_STATS_MAXBITLEN
] < 9)
9233 vty_out (vty
, "%30s: ", "%% announced ");
9234 vty_out (vty
, "%12.2f%s",
9235 100 * (float)ts
.counts
[BGP_STATS_SPACE
] /
9236 (float)((uint64_t)1UL << ts
.counts
[BGP_STATS_MAXBITLEN
]),
9238 vty_out (vty
, "%30s: ", "/8 equivalent ");
9239 vty_out (vty
, "%12.2f%s",
9240 (float)ts
.counts
[BGP_STATS_SPACE
] /
9241 (float)(1UL << (ts
.counts
[BGP_STATS_MAXBITLEN
] - 8)),
9243 if (ts
.counts
[BGP_STATS_MAXBITLEN
] < 25)
9245 vty_out (vty
, "%30s: ", "/24 equivalent ");
9246 vty_out (vty
, "%12.2f",
9247 (float)ts
.counts
[BGP_STATS_SPACE
] /
9248 (float)(1UL << (ts
.counts
[BGP_STATS_MAXBITLEN
] - 24)));
9251 vty_out (vty
, "%-30s: ", table_stats_strs
[i
]);
9252 vty_out (vty
, "%12llu", ts
.counts
[i
]);
9255 vty_out (vty
, "%s", VTY_NEWLINE
);
9270 PCOUNT_PFCNT
, /* the figure we display to users */
9274 static const char *pcount_strs
[] =
9276 [PCOUNT_ADJ_IN
] = "Adj-in",
9277 [PCOUNT_DAMPED
] = "Damped",
9278 [PCOUNT_REMOVED
] = "Removed",
9279 [PCOUNT_HISTORY
] = "History",
9280 [PCOUNT_STALE
] = "Stale",
9281 [PCOUNT_VALID
] = "Valid",
9282 [PCOUNT_ALL
] = "All RIB",
9283 [PCOUNT_COUNTED
] = "PfxCt counted",
9284 [PCOUNT_PFCNT
] = "Useable",
9285 [PCOUNT_MAX
] = NULL
,
9290 unsigned int count
[PCOUNT_MAX
];
9291 const struct peer
*peer
;
9292 const struct bgp_table
*table
;
9296 bgp_peer_count_walker (struct thread
*t
)
9298 struct bgp_node
*rn
;
9299 struct peer_pcounts
*pc
= THREAD_ARG (t
);
9300 const struct peer
*peer
= pc
->peer
;
9302 for (rn
= bgp_table_top (pc
->table
); rn
; rn
= bgp_route_next (rn
))
9304 struct bgp_adj_in
*ain
;
9305 struct bgp_info
*ri
;
9307 for (ain
= rn
->adj_in
; ain
; ain
= ain
->next
)
9308 if (ain
->peer
== peer
)
9309 pc
->count
[PCOUNT_ADJ_IN
]++;
9311 for (ri
= rn
->info
; ri
; ri
= ri
->next
)
9313 char buf
[SU_ADDRSTRLEN
];
9315 if (ri
->peer
!= peer
)
9318 pc
->count
[PCOUNT_ALL
]++;
9320 if (CHECK_FLAG (ri
->flags
, BGP_INFO_DAMPED
))
9321 pc
->count
[PCOUNT_DAMPED
]++;
9322 if (CHECK_FLAG (ri
->flags
, BGP_INFO_HISTORY
))
9323 pc
->count
[PCOUNT_HISTORY
]++;
9324 if (CHECK_FLAG (ri
->flags
, BGP_INFO_REMOVED
))
9325 pc
->count
[PCOUNT_REMOVED
]++;
9326 if (CHECK_FLAG (ri
->flags
, BGP_INFO_STALE
))
9327 pc
->count
[PCOUNT_STALE
]++;
9328 if (CHECK_FLAG (ri
->flags
, BGP_INFO_VALID
))
9329 pc
->count
[PCOUNT_VALID
]++;
9330 if (!CHECK_FLAG (ri
->flags
, BGP_INFO_UNUSEABLE
))
9331 pc
->count
[PCOUNT_PFCNT
]++;
9333 if (CHECK_FLAG (ri
->flags
, BGP_INFO_COUNTED
))
9335 pc
->count
[PCOUNT_COUNTED
]++;
9336 if (CHECK_FLAG (ri
->flags
, BGP_INFO_UNUSEABLE
))
9337 zlog_warn ("%s [pcount] %s/%d is counted but flags 0x%x",
9339 inet_ntop(rn
->p
.family
, &rn
->p
.u
.prefix
,
9340 buf
, SU_ADDRSTRLEN
),
9346 if (!CHECK_FLAG (ri
->flags
, BGP_INFO_UNUSEABLE
))
9347 zlog_warn ("%s [pcount] %s/%d not counted but flags 0x%x",
9349 inet_ntop(rn
->p
.family
, &rn
->p
.u
.prefix
,
9350 buf
, SU_ADDRSTRLEN
),
9360 bgp_peer_counts (struct vty
*vty
, struct peer
*peer
, afi_t afi
, safi_t safi
, u_char use_json
)
9362 struct peer_pcounts pcounts
= { .peer
= peer
};
9364 json_object
*json
= NULL
;
9365 json_object
*json_loop
= NULL
;
9369 json
= json_object_new_object();
9370 json_loop
= json_object_new_object();
9373 if (!peer
|| !peer
->bgp
|| !peer
->afc
[afi
][safi
]
9374 || !peer
->bgp
->rib
[afi
][safi
])
9378 json_object_string_add(json
, "warning", "No such neighbor or address family");
9379 vty_out (vty
, "%s%s", json_object_to_json_string(json
), VTY_NEWLINE
);
9380 json_object_free(json
);
9383 vty_out (vty
, "%% No such neighbor or address family%s", VTY_NEWLINE
);
9388 memset (&pcounts
, 0, sizeof(pcounts
));
9389 pcounts
.peer
= peer
;
9390 pcounts
.table
= peer
->bgp
->rib
[afi
][safi
];
9392 /* in-place call via thread subsystem so as to record execution time
9393 * * stats for the thread-walk (i.e. ensure this can't be blamed on
9394 * * on just vty_read()).
9396 thread_execute (bm
->master
, bgp_peer_count_walker
, &pcounts
, 0);
9400 json_object_string_add(json
, "prefixCountsFor", peer
->host
);
9401 json_object_string_add(json
, "multiProtocol", afi_safi_print (afi
, safi
));
9402 json_object_int_add(json
, "pfxCounter", peer
->pcount
[afi
][safi
]);
9404 for (i
= 0; i
< PCOUNT_MAX
; i
++)
9405 json_object_int_add(json_loop
, pcount_strs
[i
], pcounts
.count
[i
]);
9407 json_object_object_add(json
, "ribTableWalkCounters", json_loop
);
9409 if (pcounts
.count
[PCOUNT_PFCNT
] != peer
->pcount
[afi
][safi
])
9411 json_object_string_add(json
, "pfxctDriftFor", peer
->host
);
9412 json_object_string_add(json
, "recommended", "Please report this bug, with the above command output");
9414 vty_out (vty
, "%s%s", json_object_to_json_string(json
), VTY_NEWLINE
);
9415 json_object_free(json
);
9420 if (peer
->hostname
&& bgp_flag_check(peer
->bgp
, BGP_FLAG_SHOW_HOSTNAME
))
9422 vty_out (vty
, "Prefix counts for %s/%s, %s%s",
9423 peer
->hostname
, peer
->host
, afi_safi_print (afi
, safi
),
9428 vty_out (vty
, "Prefix counts for %s, %s%s",
9429 peer
->host
, afi_safi_print (afi
, safi
), VTY_NEWLINE
);
9432 vty_out (vty
, "PfxCt: %ld%s", peer
->pcount
[afi
][safi
], VTY_NEWLINE
);
9433 vty_out (vty
, "%sCounts from RIB table walk:%s%s",
9434 VTY_NEWLINE
, VTY_NEWLINE
, VTY_NEWLINE
);
9436 for (i
= 0; i
< PCOUNT_MAX
; i
++)
9437 vty_out (vty
, "%20s: %-10d%s", pcount_strs
[i
], pcounts
.count
[i
], VTY_NEWLINE
);
9439 if (pcounts
.count
[PCOUNT_PFCNT
] != peer
->pcount
[afi
][safi
])
9441 vty_out (vty
, "%s [pcount] PfxCt drift!%s",
9442 peer
->host
, VTY_NEWLINE
);
9443 vty_out (vty
, "Please report this bug, with the above command output%s",
9451 DEFUN (show_ip_bgp_instance_neighbor_prefix_counts
,
9452 show_ip_bgp_instance_neighbor_prefix_counts_cmd
,
9453 "show [ip] bgp [<view|vrf> WORD] [<ipv4|ipv6> [<unicast|multicast|vpn|encap|labeled-unicast>]] "
9454 "neighbors <A.B.C.D|X:X::X:X|WORD> prefix-counts [json]",
9458 BGP_INSTANCE_HELP_STR
9461 "Address Family modifier\n"
9462 "Address Family modifier\n"
9463 "Address Family modifier\n"
9464 "Address Family modifier\n"
9465 "Address Family modifier\n"
9466 "Detailed information on TCP and BGP neighbor connections\n"
9467 "Neighbor to display information about\n"
9468 "Neighbor to display information about\n"
9469 "Neighbor on BGP configured interface\n"
9470 "Display detailed prefix count information\n"
9473 afi_t afi
= AFI_IP6
;
9474 safi_t safi
= SAFI_UNICAST
;
9477 struct bgp
*bgp
= NULL
;
9479 bgp_vty_find_and_parse_afi_safi_bgp (vty
, argv
, argc
, &idx
, &afi
, &safi
, &bgp
);
9483 int uj
= use_json (argc
, argv
);
9486 argv_find (argv
, argc
, "neighbors", &idx
);
9487 peer
= peer_lookup_in_view (vty
, bgp
, argv
[idx
+1]->arg
, uj
);
9491 return bgp_peer_counts (vty
, peer
, AFI_IP
, SAFI_UNICAST
, uj
);
9494 #ifdef KEEP_OLD_VPN_COMMANDS
9495 DEFUN (show_ip_bgp_vpn_neighbor_prefix_counts
,
9496 show_ip_bgp_vpn_neighbor_prefix_counts_cmd
,
9497 "show [ip] bgp <vpnv4|vpnv6> all neighbors <A.B.C.D|X:X::X:X|WORD> prefix-counts [json]",
9502 "Display information about all VPNv4 NLRIs\n"
9503 "Detailed information on TCP and BGP neighbor connections\n"
9504 "Neighbor to display information about\n"
9505 "Neighbor to display information about\n"
9506 "Neighbor on BGP configured interface\n"
9507 "Display detailed prefix count information\n"
9512 u_char uj
= use_json(argc
, argv
);
9514 peer
= peer_lookup_in_view (vty
, NULL
, argv
[idx_peer
]->arg
, uj
);
9518 return bgp_peer_counts (vty
, peer
, AFI_IP
, SAFI_MPLS_VPN
, uj
);
9521 DEFUN (show_ip_bgp_vpn_all_route_prefix
,
9522 show_ip_bgp_vpn_all_route_prefix_cmd
,
9523 "show [ip] bgp <vpnv4|vpnv6> all <A.B.C.D|A.B.C.D/M> [json]",
9528 "Display information about all VPNv4 NLRIs\n"
9529 "Network in the BGP routing table to display\n"
9530 "Network in the BGP routing table to display\n"
9534 char *network
= NULL
;
9535 struct bgp
*bgp
= bgp_get_default();
9538 vty_out (vty
, "Can't find default instance%s", VTY_NEWLINE
);
9542 if (argv_find (argv
, argc
, "A.B.C.D", &idx
))
9543 network
= argv
[idx
]->arg
;
9544 else if (argv_find (argv
, argc
, "A.B.C.D/M", &idx
))
9545 network
= argv
[idx
]->arg
;
9548 vty_out (vty
, "Unable to figure out Network%s", VTY_NEWLINE
);
9552 return bgp_show_route (vty
, bgp
, network
, AFI_IP
, SAFI_MPLS_VPN
, NULL
, 0, BGP_PATH_ALL
, use_json(argc
, argv
));
9554 #endif /* KEEP_OLD_VPN_COMMANDS */
9556 DEFUN (show_ip_bgp_l2vpn_evpn_all_route_prefix
,
9557 show_ip_bgp_l2vpn_evpn_all_route_prefix_cmd
,
9558 "show [ip] bgp l2vpn evpn all <A.B.C.D|A.B.C.D/M> [json]",
9564 "Display information about all EVPN NLRIs\n"
9565 "Network in the BGP routing table to display\n"
9566 "Network in the BGP routing table to display\n"
9570 char *network
= NULL
;
9572 if (argv_find (argv
, argc
, "A.B.C.D", &idx
))
9573 network
= argv
[idx
]->arg
;
9574 else if (argv_find (argv
, argc
, "A.B.C.D/M", &idx
))
9575 network
= argv
[idx
]->arg
;
9578 vty_out (vty
, "Unable to figure out Network%s", VTY_NEWLINE
);
9581 return bgp_show_route (vty
, NULL
, network
, AFI_L2VPN
, SAFI_EVPN
, NULL
, 0, BGP_PATH_ALL
, use_json(argc
, argv
));
9585 show_adj_route (struct vty
*vty
, struct peer
*peer
, afi_t afi
, safi_t safi
,
9586 int in
, const char *rmap_name
, u_char use_json
, json_object
*json
)
9588 struct bgp_table
*table
;
9589 struct bgp_adj_in
*ain
;
9590 struct bgp_adj_out
*adj
;
9591 unsigned long output_count
;
9592 unsigned long filtered_count
;
9593 struct bgp_node
*rn
;
9598 struct attr_extra extra
;
9600 struct update_subgroup
*subgrp
;
9601 json_object
*json_scode
= NULL
;
9602 json_object
*json_ocode
= NULL
;
9603 json_object
*json_ar
= NULL
;
9604 struct peer_af
*paf
;
9608 json_scode
= json_object_new_object();
9609 json_ocode
= json_object_new_object();
9610 json_ar
= json_object_new_object();
9612 json_object_string_add(json_scode
, "suppressed", "s");
9613 json_object_string_add(json_scode
, "damped", "d");
9614 json_object_string_add(json_scode
, "history", "h");
9615 json_object_string_add(json_scode
, "valid", "*");
9616 json_object_string_add(json_scode
, "best", ">");
9617 json_object_string_add(json_scode
, "multipath", "=");
9618 json_object_string_add(json_scode
, "internal", "i");
9619 json_object_string_add(json_scode
, "ribFailure", "r");
9620 json_object_string_add(json_scode
, "stale", "S");
9621 json_object_string_add(json_scode
, "removed", "R");
9623 json_object_string_add(json_ocode
, "igp", "i");
9624 json_object_string_add(json_ocode
, "egp", "e");
9625 json_object_string_add(json_ocode
, "incomplete", "?");
9634 json_object_string_add(json
, "alert", "no BGP");
9635 vty_out (vty
, "%s%s", json_object_to_json_string(json
), VTY_NEWLINE
);
9636 json_object_free(json
);
9639 vty_out (vty
, "%% No bgp%s", VTY_NEWLINE
);
9643 table
= bgp
->rib
[afi
][safi
];
9645 output_count
= filtered_count
= 0;
9646 subgrp
= peer_subgroup(peer
, afi
, safi
);
9648 if (!in
&& subgrp
&& CHECK_FLAG (subgrp
->sflags
, SUBGRP_STATUS_DEFAULT_ORIGINATE
))
9652 json_object_int_add(json
, "bgpTableVersion", table
->version
);
9653 json_object_string_add(json
, "bgpLocalRouterId", inet_ntoa (bgp
->router_id
));
9654 json_object_object_add(json
, "bgpStatusCodes", json_scode
);
9655 json_object_object_add(json
, "bgpOriginCodes", json_ocode
);
9656 json_object_string_add(json
, "bgpOriginatingDefaultNetwork", "0.0.0.0");
9660 vty_out (vty
, "BGP table version is %" PRIu64
", local router ID is %s%s", table
->version
, inet_ntoa (bgp
->router_id
), VTY_NEWLINE
);
9661 vty_out (vty
, BGP_SHOW_SCODE_HEADER
, VTY_NEWLINE
, VTY_NEWLINE
);
9662 vty_out (vty
, BGP_SHOW_OCODE_HEADER
, VTY_NEWLINE
, VTY_NEWLINE
);
9664 vty_out (vty
, "Originating default network 0.0.0.0%s%s",
9665 VTY_NEWLINE
, VTY_NEWLINE
);
9670 attr
.extra
= &extra
;
9671 for (rn
= bgp_table_top (table
); rn
; rn
= bgp_route_next (rn
))
9675 for (ain
= rn
->adj_in
; ain
; ain
= ain
->next
)
9677 if (ain
->peer
== peer
)
9683 json_object_int_add(json
, "bgpTableVersion", 0);
9684 json_object_string_add(json
, "bgpLocalRouterId", inet_ntoa (bgp
->router_id
));
9685 json_object_object_add(json
, "bgpStatusCodes", json_scode
);
9686 json_object_object_add(json
, "bgpOriginCodes", json_ocode
);
9690 vty_out (vty
, "BGP table version is 0, local router ID is %s%s", inet_ntoa (bgp
->router_id
), VTY_NEWLINE
);
9691 vty_out (vty
, BGP_SHOW_SCODE_HEADER
, VTY_NEWLINE
, VTY_NEWLINE
);
9692 vty_out (vty
, BGP_SHOW_OCODE_HEADER
, VTY_NEWLINE
, VTY_NEWLINE
);
9699 vty_out (vty
, BGP_SHOW_HEADER
, VTY_NEWLINE
);
9704 bgp_attr_dup(&attr
, ain
->attr
);
9705 if (bgp_input_modifier(peer
, &rn
->p
, &attr
, afi
, safi
, rmap_name
) != RMAP_DENY
)
9707 route_vty_out_tmp (vty
, &rn
->p
, &attr
, safi
, use_json
, json_ar
);
9718 for (adj
= rn
->adj_out
; adj
; adj
= adj
->next
)
9719 SUBGRP_FOREACH_PEER(adj
->subgroup
, paf
)
9720 if (paf
->peer
== peer
)
9726 json_object_int_add(json
, "bgpTableVersion", table
->version
);
9727 json_object_string_add(json
, "bgpLocalRouterId", inet_ntoa (bgp
->router_id
));
9728 json_object_object_add(json
, "bgpStatusCodes", json_scode
);
9729 json_object_object_add(json
, "bgpOriginCodes", json_ocode
);
9733 vty_out (vty
, "BGP table version is %" PRIu64
", local router ID is %s%s", table
->version
,
9734 inet_ntoa (bgp
->router_id
), VTY_NEWLINE
);
9735 vty_out (vty
, BGP_SHOW_SCODE_HEADER
, VTY_NEWLINE
, VTY_NEWLINE
);
9736 vty_out (vty
, BGP_SHOW_OCODE_HEADER
, VTY_NEWLINE
, VTY_NEWLINE
);
9744 vty_out (vty
, BGP_SHOW_HEADER
, VTY_NEWLINE
);
9750 bgp_attr_dup(&attr
, adj
->attr
);
9751 ret
= bgp_output_modifier(peer
, &rn
->p
, &attr
, afi
, safi
, rmap_name
);
9752 if (ret
!= RMAP_DENY
)
9754 route_vty_out_tmp (vty
, &rn
->p
, &attr
, safi
, use_json
, json_ar
);
9764 json_object_object_add(json
, "advertisedRoutes", json_ar
);
9766 if (output_count
!= 0)
9769 json_object_int_add(json
, "totalPrefixCounter", output_count
);
9771 vty_out (vty
, "%sTotal number of prefixes %ld%s",
9772 VTY_NEWLINE
, output_count
, VTY_NEWLINE
);
9776 vty_out (vty
, "%s%s", json_object_to_json_string(json
), VTY_NEWLINE
);
9777 json_object_free(json
);
9783 peer_adj_routes (struct vty
*vty
, struct peer
*peer
, afi_t afi
, safi_t safi
,
9784 int in
, const char *rmap_name
, u_char use_json
)
9786 json_object
*json
= NULL
;
9789 json
= json_object_new_object();
9791 if (!peer
|| !peer
->afc
[afi
][safi
])
9795 json_object_string_add(json
, "warning", "No such neighbor or address family");
9796 vty_out (vty
, "%s%s", json_object_to_json_string(json
), VTY_NEWLINE
);
9797 json_object_free(json
);
9800 vty_out (vty
, "%% No such neighbor or address family%s", VTY_NEWLINE
);
9805 if (in
&& !CHECK_FLAG(peer
->af_flags
[afi
][safi
], PEER_FLAG_SOFT_RECONFIG
))
9809 json_object_string_add(json
, "warning", "Inbound soft reconfiguration not enabled");
9810 vty_out (vty
, "%s%s", json_object_to_json_string(json
), VTY_NEWLINE
);
9811 json_object_free(json
);
9814 vty_out (vty
, "%% Inbound soft reconfiguration not enabled%s", VTY_NEWLINE
);
9819 show_adj_route (vty
, peer
, afi
, safi
, in
, rmap_name
, use_json
, json
);
9824 DEFUN (show_ip_bgp_instance_neighbor_advertised_route
,
9825 show_ip_bgp_instance_neighbor_advertised_route_cmd
,
9826 "show [ip] bgp [<view|vrf> WORD] ["BGP_AFI_CMD_STR
" ["BGP_SAFI_CMD_STR
"]] "
9827 "neighbors <A.B.C.D|X:X::X:X|WORD> <received-routes|advertised-routes> [route-map WORD] [json]",
9831 BGP_INSTANCE_HELP_STR
9834 "Detailed information on TCP and BGP neighbor connections\n"
9835 "Neighbor to display information about\n"
9836 "Neighbor to display information about\n"
9837 "Neighbor on BGP configured interface\n"
9838 "Display the received routes from neighbor\n"
9839 "Display the routes advertised to a BGP neighbor\n"
9840 "Route-map to modify the attributes\n"
9841 "Name of the route map\n"
9844 afi_t afi
= AFI_IP6
;
9845 safi_t safi
= SAFI_UNICAST
;
9846 char *rmap_name
= NULL
;
9847 char *peerstr
= NULL
;
9849 struct bgp
*bgp
= NULL
;
9854 bgp_vty_find_and_parse_afi_safi_bgp (vty
, argv
, argc
, &idx
, &afi
, &safi
, &bgp
);
9858 int uj
= use_json (argc
, argv
);
9861 /* neighbors <A.B.C.D|X:X::X:X|WORD> */
9862 argv_find (argv
, argc
, "neighbors", &idx
);
9863 peerstr
= argv
[++idx
]->arg
;
9865 peer
= peer_lookup_in_view (vty
, bgp
, peerstr
, uj
);
9869 if (argv_find (argv
, argc
, "received-routes", &idx
))
9871 if (argv_find (argv
, argc
, "advertised-routes", &idx
))
9873 if (argv_find (argv
, argc
, "route-map", &idx
))
9874 rmap_name
= argv
[++idx
]->arg
;
9876 return peer_adj_routes (vty
, peer
, afi
, safi
, rcvd
, rmap_name
, uj
);
9879 DEFUN (show_ip_bgp_neighbor_received_prefix_filter
,
9880 show_ip_bgp_neighbor_received_prefix_filter_cmd
,
9881 "show [ip] bgp [<ipv4|ipv6> [unicast]] neighbors <A.B.C.D|X:X::X:X|WORD> received prefix-filter [json]",
9887 "Address Family modifier\n"
9888 "Detailed information on TCP and BGP neighbor connections\n"
9889 "Neighbor to display information about\n"
9890 "Neighbor to display information about\n"
9891 "Neighbor on BGP configured interface\n"
9892 "Display information received from a BGP neighbor\n"
9893 "Display the prefixlist filter\n"
9896 afi_t afi
= AFI_IP6
;
9897 safi_t safi
= SAFI_UNICAST
;
9898 char *peerstr
= NULL
;
9908 if (argv_find (argv
, argc
, "ip", &idx
))
9910 /* [<ipv4|ipv6> [unicast]] */
9911 if (argv_find (argv
, argc
, "ipv4", &idx
))
9913 if (argv_find (argv
, argc
, "ipv6", &idx
))
9915 /* neighbors <A.B.C.D|X:X::X:X|WORD> */
9916 argv_find (argv
, argc
, "neighbors", &idx
);
9917 peerstr
= argv
[++idx
]->arg
;
9919 u_char uj
= use_json(argc
, argv
);
9921 ret
= str2sockunion (peerstr
, &su
);
9924 peer
= peer_lookup_by_conf_if (NULL
, peerstr
);
9928 vty_out (vty
, "{}%s", VTY_NEWLINE
);
9930 vty_out (vty
, "%% Malformed address or name: %s%s", peerstr
, VTY_NEWLINE
);
9936 peer
= peer_lookup (NULL
, &su
);
9940 vty_out (vty
, "{}%s", VTY_NEWLINE
);
9942 vty_out (vty
, "No peer%s", VTY_NEWLINE
);
9947 sprintf (name
, "%s.%d.%d", peer
->host
, afi
, safi
);
9948 count
= prefix_bgp_show_prefix_list (NULL
, afi
, name
, uj
);
9952 vty_out (vty
, "Address Family: %s%s", afi_safi_print(afi
, safi
), VTY_NEWLINE
);
9953 prefix_bgp_show_prefix_list (vty
, afi
, name
, uj
);
9958 vty_out (vty
, "{}%s", VTY_NEWLINE
);
9960 vty_out (vty
, "No functional output%s", VTY_NEWLINE
);
9967 bgp_show_neighbor_route (struct vty
*vty
, struct peer
*peer
, afi_t afi
,
9968 safi_t safi
, enum bgp_show_type type
, u_char use_json
)
9970 if (! peer
|| ! peer
->afc
[afi
][safi
])
9974 json_object
*json_no
= NULL
;
9975 json_no
= json_object_new_object();
9976 json_object_string_add(json_no
, "warning", "No such neighbor or address family");
9977 vty_out (vty
, "%s%s", json_object_to_json_string(json_no
), VTY_NEWLINE
);
9978 json_object_free(json_no
);
9981 vty_out (vty
, "%% No such neighbor or address family%s", VTY_NEWLINE
);
9985 return bgp_show (vty
, peer
->bgp
, afi
, safi
, type
, &peer
->su
, use_json
);
9988 DEFUN (show_ip_bgp_neighbor_routes
,
9989 show_ip_bgp_neighbor_routes_cmd
,
9990 "show [ip] bgp [<view|vrf> WORD] ["BGP_AFI_CMD_STR
" ["BGP_SAFI_CMD_STR
"]] "
9991 "neighbors <A.B.C.D|X:X::X:X|WORD> <flap-statistics|dampened-routes|routes> [json]",
9995 BGP_INSTANCE_HELP_STR
9998 "Detailed information on TCP and BGP neighbor connections\n"
9999 "Neighbor to display information about\n"
10000 "Neighbor to display information about\n"
10001 "Neighbor on BGP configured interface\n"
10002 "Display flap statistics of the routes learned from neighbor\n"
10003 "Display the dampened routes received from neighbor\n"
10004 "Display routes learned from neighbor\n"
10007 char *peerstr
= NULL
;
10008 struct bgp
*bgp
= NULL
;
10009 afi_t afi
= AFI_IP6
;
10010 safi_t safi
= SAFI_UNICAST
;
10012 enum bgp_show_type sh_type
= bgp_show_type_neighbor
;
10016 bgp_vty_find_and_parse_afi_safi_bgp (vty
, argv
, argc
, &idx
, &afi
, &safi
, &bgp
);
10018 return CMD_WARNING
;
10020 int uj
= use_json (argc
, argv
);
10023 /* neighbors <A.B.C.D|X:X::X:X|WORD> */
10024 argv_find (argv
, argc
, "neighbors", &idx
);
10025 peerstr
= argv
[++idx
]->arg
;
10027 peer
= peer_lookup_in_view (vty
, bgp
, peerstr
, uj
);
10030 vty_out (vty
, "No such neighbor%s", VTY_NEWLINE
);
10031 return CMD_WARNING
;
10034 if (argv_find (argv
, argc
, "flap-statistics", &idx
))
10035 sh_type
= bgp_show_type_flap_neighbor
;
10036 else if (argv_find (argv
, argc
, "dampened-routes", &idx
))
10037 sh_type
= bgp_show_type_damp_neighbor
;
10038 else if (argv_find (argv
, argc
, "routes", &idx
))
10039 sh_type
= bgp_show_type_neighbor
;
10041 return bgp_show_neighbor_route (vty
, peer
, afi
, safi
, sh_type
, uj
);
10044 struct bgp_table
*bgp_distance_table
[AFI_MAX
][SAFI_MAX
];
10046 struct bgp_distance
10048 /* Distance value for the IP source prefix. */
10051 /* Name of the access-list to be matched. */
10055 DEFUN (show_bgp_afi_vpn_rd_route
,
10056 show_bgp_afi_vpn_rd_route_cmd
,
10057 "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]",
10061 "Address Family modifier\n"
10062 "Display information for a route distinguisher\n"
10063 "Route Distinguisher\n"
10064 "Network in the BGP routing table to display\n"
10065 "Network in the BGP routing table to display\n"
10069 struct prefix_rd prd
;
10070 afi_t afi
= AFI_MAX
;
10073 argv_find_and_parse_afi (argv
, argc
, &idx
, &afi
);
10074 ret
= str2prefix_rd (argv
[5]->arg
, &prd
);
10077 vty_out (vty
, "%% Malformed Route Distinguisher%s", VTY_NEWLINE
);
10078 return CMD_WARNING
;
10080 return bgp_show_route (vty
, NULL
, argv
[6]->arg
, afi
, SAFI_MPLS_VPN
, &prd
, 0, BGP_PATH_ALL
, use_json (argc
, argv
));
10083 static struct bgp_distance
*
10084 bgp_distance_new (void)
10086 return XCALLOC (MTYPE_BGP_DISTANCE
, sizeof (struct bgp_distance
));
10090 bgp_distance_free (struct bgp_distance
*bdistance
)
10092 XFREE (MTYPE_BGP_DISTANCE
, bdistance
);
10096 bgp_distance_set (struct vty
*vty
, const char *distance_str
,
10097 const char *ip_str
, const char *access_list_str
)
10104 struct bgp_node
*rn
;
10105 struct bgp_distance
*bdistance
;
10107 afi
= bgp_node_afi (vty
);
10108 safi
= bgp_node_safi (vty
);
10110 ret
= str2prefix (ip_str
, &p
);
10113 vty_out (vty
, "Malformed prefix%s", VTY_NEWLINE
);
10114 return CMD_WARNING
;
10117 distance
= atoi (distance_str
);
10119 /* Get BGP distance node. */
10120 rn
= bgp_node_get (bgp_distance_table
[afi
][safi
], (struct prefix
*) &p
);
10123 bdistance
= rn
->info
;
10124 bgp_unlock_node (rn
);
10128 bdistance
= bgp_distance_new ();
10129 rn
->info
= bdistance
;
10132 /* Set distance value. */
10133 bdistance
->distance
= distance
;
10135 /* Reset access-list configuration. */
10136 if (bdistance
->access_list
)
10138 XFREE(MTYPE_AS_LIST
, bdistance
->access_list
);
10139 bdistance
->access_list
= NULL
;
10141 if (access_list_str
)
10142 bdistance
->access_list
= XSTRDUP(MTYPE_AS_LIST
, access_list_str
);
10144 return CMD_SUCCESS
;
10148 bgp_distance_unset (struct vty
*vty
, const char *distance_str
,
10149 const char *ip_str
, const char *access_list_str
)
10156 struct bgp_node
*rn
;
10157 struct bgp_distance
*bdistance
;
10159 afi
= bgp_node_afi (vty
);
10160 safi
= bgp_node_safi (vty
);
10162 ret
= str2prefix (ip_str
, &p
);
10165 vty_out (vty
, "Malformed prefix%s", VTY_NEWLINE
);
10166 return CMD_WARNING
;
10169 rn
= bgp_node_lookup (bgp_distance_table
[afi
][safi
], (struct prefix
*)&p
);
10172 vty_out (vty
, "Can't find specified prefix%s", VTY_NEWLINE
);
10173 return CMD_WARNING
;
10176 bdistance
= rn
->info
;
10177 distance
= atoi(distance_str
);
10179 if (bdistance
->distance
!= distance
)
10181 vty_out (vty
, "Distance does not match configured%s", VTY_NEWLINE
);
10182 return CMD_WARNING
;
10185 if (bdistance
->access_list
)
10186 XFREE(MTYPE_AS_LIST
, bdistance
->access_list
);
10187 bgp_distance_free (bdistance
);
10190 bgp_unlock_node (rn
);
10191 bgp_unlock_node (rn
);
10193 return CMD_SUCCESS
;
10196 /* Apply BGP information to distance method. */
10198 bgp_distance_apply (struct prefix
*p
, struct bgp_info
*rinfo
, afi_t afi
,
10199 safi_t safi
, struct bgp
*bgp
)
10201 struct bgp_node
*rn
;
10204 struct bgp_distance
*bdistance
;
10205 struct access_list
*alist
;
10206 struct bgp_static
*bgp_static
;
10211 peer
= rinfo
->peer
;
10213 /* Check source address. */
10214 sockunion2hostprefix (&peer
->su
, &q
);
10215 rn
= bgp_node_match (bgp_distance_table
[afi
][safi
], &q
);
10218 bdistance
= rn
->info
;
10219 bgp_unlock_node (rn
);
10221 if (bdistance
->access_list
)
10223 alist
= access_list_lookup (afi
, bdistance
->access_list
);
10224 if (alist
&& access_list_apply (alist
, p
) == FILTER_PERMIT
)
10225 return bdistance
->distance
;
10228 return bdistance
->distance
;
10231 /* Backdoor check. */
10232 rn
= bgp_node_lookup (bgp
->route
[afi
][safi
], p
);
10235 bgp_static
= rn
->info
;
10236 bgp_unlock_node (rn
);
10238 if (bgp_static
->backdoor
)
10240 if (bgp
->distance_local
[afi
][safi
])
10241 return bgp
->distance_local
[afi
][safi
];
10243 return ZEBRA_IBGP_DISTANCE_DEFAULT
;
10247 if (peer
->sort
== BGP_PEER_EBGP
)
10249 if (bgp
->distance_ebgp
[afi
][safi
])
10250 return bgp
->distance_ebgp
[afi
][safi
];
10251 return ZEBRA_EBGP_DISTANCE_DEFAULT
;
10255 if (bgp
->distance_ibgp
[afi
][safi
])
10256 return bgp
->distance_ibgp
[afi
][safi
];
10257 return ZEBRA_IBGP_DISTANCE_DEFAULT
;
10261 DEFUN (bgp_distance
,
10263 "distance bgp (1-255) (1-255) (1-255)",
10264 "Define an administrative distance\n"
10266 "Distance for routes external to the AS\n"
10267 "Distance for routes internal to the AS\n"
10268 "Distance for local routes\n")
10270 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
10271 int idx_number
= 2;
10272 int idx_number_2
= 3;
10273 int idx_number_3
= 4;
10277 afi
= bgp_node_afi (vty
);
10278 safi
= bgp_node_safi (vty
);
10280 bgp
->distance_ebgp
[afi
][safi
] = atoi (argv
[idx_number
]->arg
);
10281 bgp
->distance_ibgp
[afi
][safi
] = atoi (argv
[idx_number_2
]->arg
);
10282 bgp
->distance_local
[afi
][safi
] = atoi (argv
[idx_number_3
]->arg
);
10283 return CMD_SUCCESS
;
10286 DEFUN (no_bgp_distance
,
10287 no_bgp_distance_cmd
,
10288 "no distance bgp [(1-255) (1-255) (1-255)]",
10290 "Define an administrative distance\n"
10292 "Distance for routes external to the AS\n"
10293 "Distance for routes internal to the AS\n"
10294 "Distance for local routes\n")
10296 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
10300 afi
= bgp_node_afi (vty
);
10301 safi
= bgp_node_safi (vty
);
10303 bgp
->distance_ebgp
[afi
][safi
] = 0;
10304 bgp
->distance_ibgp
[afi
][safi
] = 0;
10305 bgp
->distance_local
[afi
][safi
] = 0;
10306 return CMD_SUCCESS
;
10310 DEFUN (bgp_distance_source
,
10311 bgp_distance_source_cmd
,
10312 "distance (1-255) A.B.C.D/M",
10313 "Define an administrative distance\n"
10314 "Administrative distance\n"
10315 "IP source prefix\n")
10317 int idx_number
= 1;
10318 int idx_ipv4_prefixlen
= 2;
10319 bgp_distance_set (vty
, argv
[idx_number
]->arg
, argv
[idx_ipv4_prefixlen
]->arg
, NULL
);
10320 return CMD_SUCCESS
;
10323 DEFUN (no_bgp_distance_source
,
10324 no_bgp_distance_source_cmd
,
10325 "no distance (1-255) A.B.C.D/M",
10327 "Define an administrative distance\n"
10328 "Administrative distance\n"
10329 "IP source prefix\n")
10331 int idx_number
= 2;
10332 int idx_ipv4_prefixlen
= 3;
10333 bgp_distance_unset (vty
, argv
[idx_number
]->arg
, argv
[idx_ipv4_prefixlen
]->arg
, NULL
);
10334 return CMD_SUCCESS
;
10337 DEFUN (bgp_distance_source_access_list
,
10338 bgp_distance_source_access_list_cmd
,
10339 "distance (1-255) A.B.C.D/M WORD",
10340 "Define an administrative distance\n"
10341 "Administrative distance\n"
10342 "IP source prefix\n"
10343 "Access list name\n")
10345 int idx_number
= 1;
10346 int idx_ipv4_prefixlen
= 2;
10348 bgp_distance_set (vty
, argv
[idx_number
]->arg
, argv
[idx_ipv4_prefixlen
]->arg
, argv
[idx_word
]->arg
);
10349 return CMD_SUCCESS
;
10352 DEFUN (no_bgp_distance_source_access_list
,
10353 no_bgp_distance_source_access_list_cmd
,
10354 "no distance (1-255) A.B.C.D/M WORD",
10356 "Define an administrative distance\n"
10357 "Administrative distance\n"
10358 "IP source prefix\n"
10359 "Access list name\n")
10361 int idx_number
= 2;
10362 int idx_ipv4_prefixlen
= 3;
10364 bgp_distance_unset (vty
, argv
[idx_number
]->arg
, argv
[idx_ipv4_prefixlen
]->arg
, argv
[idx_word
]->arg
);
10365 return CMD_SUCCESS
;
10368 DEFUN (ipv6_bgp_distance_source
,
10369 ipv6_bgp_distance_source_cmd
,
10370 "distance (1-255) X:X::X:X/M",
10371 "Define an administrative distance\n"
10372 "Administrative distance\n"
10373 "IP source prefix\n")
10375 bgp_distance_set (vty
, argv
[1]->arg
, argv
[2]->arg
, NULL
);
10376 return CMD_SUCCESS
;
10379 DEFUN (no_ipv6_bgp_distance_source
,
10380 no_ipv6_bgp_distance_source_cmd
,
10381 "no distance (1-255) X:X::X:X/M",
10383 "Define an administrative distance\n"
10384 "Administrative distance\n"
10385 "IP source prefix\n")
10387 bgp_distance_unset (vty
, argv
[2]->arg
, argv
[3]->arg
, NULL
);
10388 return CMD_SUCCESS
;
10391 DEFUN (ipv6_bgp_distance_source_access_list
,
10392 ipv6_bgp_distance_source_access_list_cmd
,
10393 "distance (1-255) X:X::X:X/M WORD",
10394 "Define an administrative distance\n"
10395 "Administrative distance\n"
10396 "IP source prefix\n"
10397 "Access list name\n")
10399 bgp_distance_set (vty
, argv
[1]->arg
, argv
[2]->arg
, argv
[3]->arg
);
10400 return CMD_SUCCESS
;
10403 DEFUN (no_ipv6_bgp_distance_source_access_list
,
10404 no_ipv6_bgp_distance_source_access_list_cmd
,
10405 "no distance (1-255) X:X::X:X/M WORD",
10407 "Define an administrative distance\n"
10408 "Administrative distance\n"
10409 "IP source prefix\n"
10410 "Access list name\n")
10412 bgp_distance_unset (vty
, argv
[2]->arg
, argv
[3]->arg
, argv
[4]->arg
);
10413 return CMD_SUCCESS
;
10416 DEFUN (bgp_damp_set
,
10418 "bgp dampening [(1-45) [(1-20000) (1-20000) (1-255)]]",
10419 "BGP Specific commands\n"
10420 "Enable route-flap dampening\n"
10421 "Half-life time for the penalty\n"
10422 "Value to start reusing a route\n"
10423 "Value to start suppressing a route\n"
10424 "Maximum duration to suppress a stable route\n")
10426 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
10427 int idx_half_life
= 2;
10429 int idx_suppress
= 4;
10430 int idx_max_suppress
= 5;
10431 int half
= DEFAULT_HALF_LIFE
* 60;
10432 int reuse
= DEFAULT_REUSE
;
10433 int suppress
= DEFAULT_SUPPRESS
;
10434 int max
= 4 * half
;
10438 half
= atoi (argv
[idx_half_life
]->arg
) * 60;
10439 reuse
= atoi (argv
[idx_reuse
]->arg
);
10440 suppress
= atoi (argv
[idx_suppress
]->arg
);
10441 max
= atoi (argv
[idx_max_suppress
]->arg
) * 60;
10443 else if (argc
== 3)
10445 half
= atoi (argv
[idx_half_life
]->arg
) * 60;
10449 if (suppress
< reuse
)
10451 vty_out (vty
, "Suppress value cannot be less than reuse value %s",
10456 return bgp_damp_enable (bgp
, bgp_node_afi (vty
), bgp_node_safi (vty
),
10457 half
, reuse
, suppress
, max
);
10460 DEFUN (bgp_damp_unset
,
10461 bgp_damp_unset_cmd
,
10462 "no bgp dampening [(1-45) [(1-20000) (1-20000) (1-255)]]",
10464 "BGP Specific commands\n"
10465 "Enable route-flap dampening\n"
10466 "Half-life time for the penalty\n"
10467 "Value to start reusing a route\n"
10468 "Value to start suppressing a route\n"
10469 "Maximum duration to suppress a stable route\n")
10471 VTY_DECLVAR_CONTEXT(bgp
, bgp
);
10472 return bgp_damp_disable (bgp
, bgp_node_afi (vty
), bgp_node_safi (vty
));
10475 /* Display specified route of BGP table. */
10477 bgp_clear_damp_route (struct vty
*vty
, const char *view_name
,
10478 const char *ip_str
, afi_t afi
, safi_t safi
,
10479 struct prefix_rd
*prd
, int prefix_check
)
10482 struct prefix match
;
10483 struct bgp_node
*rn
;
10484 struct bgp_node
*rm
;
10485 struct bgp_info
*ri
;
10486 struct bgp_info
*ri_temp
;
10488 struct bgp_table
*table
;
10490 /* BGP structure lookup. */
10493 bgp
= bgp_lookup_by_name (view_name
);
10496 vty_out (vty
, "%% Can't find BGP instance %s%s", view_name
, VTY_NEWLINE
);
10497 return CMD_WARNING
;
10502 bgp
= bgp_get_default ();
10505 vty_out (vty
, "%% No BGP process is configured%s", VTY_NEWLINE
);
10506 return CMD_WARNING
;
10510 /* Check IP address argument. */
10511 ret
= str2prefix (ip_str
, &match
);
10514 vty_out (vty
, "%% address is malformed%s", VTY_NEWLINE
);
10515 return CMD_WARNING
;
10518 match
.family
= afi2family (afi
);
10520 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_ENCAP
) || (safi
== SAFI_EVPN
))
10522 for (rn
= bgp_table_top (bgp
->rib
[AFI_IP
][safi
]); rn
; rn
= bgp_route_next (rn
))
10524 if (prd
&& memcmp (rn
->p
.u
.val
, prd
->val
, 8) != 0)
10527 if ((table
= rn
->info
) != NULL
)
10528 if ((rm
= bgp_node_match (table
, &match
)) != NULL
)
10530 if (! prefix_check
|| rm
->p
.prefixlen
== match
.prefixlen
)
10535 if (ri
->extra
&& ri
->extra
->damp_info
)
10537 ri_temp
= ri
->next
;
10538 bgp_damp_info_free (ri
->extra
->damp_info
, 1);
10546 bgp_unlock_node (rm
);
10552 if ((rn
= bgp_node_match (bgp
->rib
[afi
][safi
], &match
)) != NULL
)
10554 if (! prefix_check
|| rn
->p
.prefixlen
== match
.prefixlen
)
10559 if (ri
->extra
&& ri
->extra
->damp_info
)
10561 ri_temp
= ri
->next
;
10562 bgp_damp_info_free (ri
->extra
->damp_info
, 1);
10570 bgp_unlock_node (rn
);
10574 return CMD_SUCCESS
;
10577 DEFUN (clear_ip_bgp_dampening
,
10578 clear_ip_bgp_dampening_cmd
,
10579 "clear ip bgp dampening",
10583 "Clear route flap dampening information\n")
10585 bgp_damp_info_clean ();
10586 return CMD_SUCCESS
;
10589 DEFUN (clear_ip_bgp_dampening_prefix
,
10590 clear_ip_bgp_dampening_prefix_cmd
,
10591 "clear ip bgp dampening A.B.C.D/M",
10595 "Clear route flap dampening information\n"
10598 int idx_ipv4_prefixlen
= 4;
10599 return bgp_clear_damp_route (vty
, NULL
, argv
[idx_ipv4_prefixlen
]->arg
, AFI_IP
,
10600 SAFI_UNICAST
, NULL
, 1);
10603 DEFUN (clear_ip_bgp_dampening_address
,
10604 clear_ip_bgp_dampening_address_cmd
,
10605 "clear ip bgp dampening A.B.C.D",
10609 "Clear route flap dampening information\n"
10610 "Network to clear damping information\n")
10613 return bgp_clear_damp_route (vty
, NULL
, argv
[idx_ipv4
]->arg
, AFI_IP
,
10614 SAFI_UNICAST
, NULL
, 0);
10617 DEFUN (clear_ip_bgp_dampening_address_mask
,
10618 clear_ip_bgp_dampening_address_mask_cmd
,
10619 "clear ip bgp dampening A.B.C.D A.B.C.D",
10623 "Clear route flap dampening information\n"
10624 "Network to clear damping information\n"
10628 int idx_ipv4_2
= 5;
10630 char prefix_str
[BUFSIZ
];
10632 ret
= netmask_str2prefix_str (argv
[idx_ipv4
]->arg
, argv
[idx_ipv4_2
]->arg
, prefix_str
);
10635 vty_out (vty
, "%% Inconsistent address and mask%s", VTY_NEWLINE
);
10636 return CMD_WARNING
;
10639 return bgp_clear_damp_route (vty
, NULL
, prefix_str
, AFI_IP
,
10640 SAFI_UNICAST
, NULL
, 0);
10643 /* also used for encap safi */
10645 bgp_config_write_network_vpn (struct vty
*vty
, struct bgp
*bgp
,
10646 afi_t afi
, safi_t safi
, int *write
)
10648 struct bgp_node
*prn
;
10649 struct bgp_node
*rn
;
10650 struct bgp_table
*table
;
10652 struct prefix_rd
*prd
;
10653 struct bgp_static
*bgp_static
;
10655 char buf
[SU_ADDRSTRLEN
];
10656 char rdbuf
[RD_ADDRSTRLEN
];
10658 /* Network configuration. */
10659 for (prn
= bgp_table_top (bgp
->route
[afi
][safi
]); prn
; prn
= bgp_route_next (prn
))
10660 if ((table
= prn
->info
) != NULL
)
10661 for (rn
= bgp_table_top (table
); rn
; rn
= bgp_route_next (rn
))
10662 if ((bgp_static
= rn
->info
) != NULL
)
10665 prd
= (struct prefix_rd
*) &prn
->p
;
10667 /* "address-family" display. */
10668 bgp_config_write_family_header (vty
, afi
, safi
, write
);
10670 /* "network" configuration display. */
10671 prefix_rd2str (prd
, rdbuf
, RD_ADDRSTRLEN
);
10672 label
= decode_label (bgp_static
->tag
);
10674 vty_out (vty
, " network %s/%d rd %s tag %d",
10675 inet_ntop (p
->family
, &p
->u
.prefix
, buf
, SU_ADDRSTRLEN
),
10678 vty_out (vty
, "%s", VTY_NEWLINE
);
10684 bgp_config_write_network_evpn (struct vty
*vty
, struct bgp
*bgp
,
10685 afi_t afi
, safi_t safi
, int *write
)
10687 struct bgp_node
*prn
;
10688 struct bgp_node
*rn
;
10689 struct bgp_table
*table
;
10691 struct prefix_rd
*prd
;
10692 struct bgp_static
*bgp_static
;
10693 char buf
[PREFIX_STRLEN
];
10694 char buf2
[SU_ADDRSTRLEN
];
10695 char rdbuf
[RD_ADDRSTRLEN
];
10697 /* Network configuration. */
10698 for (prn
= bgp_table_top (bgp
->route
[afi
][safi
]); prn
; prn
= bgp_route_next (prn
))
10699 if ((table
= prn
->info
) != NULL
)
10700 for (rn
= bgp_table_top (table
); rn
; rn
= bgp_route_next (rn
))
10701 if ((bgp_static
= rn
->info
) != NULL
)
10703 char *macrouter
= NULL
;
10706 if(bgp_static
->router_mac
)
10707 macrouter
= prefix_mac2str(bgp_static
->router_mac
, NULL
, 0);
10708 if(bgp_static
->eth_s_id
)
10709 esi
= esi2str(bgp_static
->eth_s_id
);
10711 prd
= (struct prefix_rd
*) &prn
->p
;
10713 /* "address-family" display. */
10714 bgp_config_write_family_header (vty
, afi
, safi
, write
);
10716 /* "network" configuration display. */
10717 prefix_rd2str (prd
, rdbuf
, RD_ADDRSTRLEN
);
10719 inet_ntop (AF_INET
, &bgp_static
->igpnexthop
, buf2
, SU_ADDRSTRLEN
);
10721 prefix2str (p
, buf
, sizeof (buf
)),
10722 vty_out (vty
, " network %s rd %s ethtag %u tag %u esi %s gwip %s routermac %s",
10723 buf
, rdbuf
, p
->u
.prefix_evpn
.eth_tag
,
10724 decode_label (bgp_static
->tag
), esi
, buf2
, macrouter
);
10725 vty_out (vty
, "%s", VTY_NEWLINE
);
10727 XFREE (MTYPE_TMP
, macrouter
);
10729 XFREE (MTYPE_TMP
, esi
);
10734 /* Configuration of static route announcement and aggregate
10737 bgp_config_write_network (struct vty
*vty
, struct bgp
*bgp
,
10738 afi_t afi
, safi_t safi
, int *write
)
10740 struct bgp_node
*rn
;
10742 struct bgp_static
*bgp_static
;
10743 struct bgp_aggregate
*bgp_aggregate
;
10744 char buf
[SU_ADDRSTRLEN
];
10746 if ((safi
== SAFI_MPLS_VPN
) || (safi
== SAFI_ENCAP
))
10747 return bgp_config_write_network_vpn (vty
, bgp
, afi
, safi
, write
);
10749 if (afi
== AFI_L2VPN
&& safi
== SAFI_EVPN
)
10750 return bgp_config_write_network_evpn (vty
, bgp
, afi
, safi
, write
);
10752 /* Network configuration. */
10753 for (rn
= bgp_table_top (bgp
->route
[afi
][safi
]); rn
; rn
= bgp_route_next (rn
))
10754 if ((bgp_static
= rn
->info
) != NULL
)
10758 /* "address-family" display. */
10759 bgp_config_write_family_header (vty
, afi
, safi
, write
);
10761 /* "network" configuration display. */
10762 if (bgp_option_check (BGP_OPT_CONFIG_CISCO
) && afi
== AFI_IP
)
10764 u_int32_t destination
;
10765 struct in_addr netmask
;
10767 destination
= ntohl (p
->u
.prefix4
.s_addr
);
10768 masklen2ip (p
->prefixlen
, &netmask
);
10769 vty_out (vty
, " network %s",
10770 inet_ntop (p
->family
, &p
->u
.prefix
, buf
, SU_ADDRSTRLEN
));
10772 if ((IN_CLASSC (destination
) && p
->prefixlen
== 24)
10773 || (IN_CLASSB (destination
) && p
->prefixlen
== 16)
10774 || (IN_CLASSA (destination
) && p
->prefixlen
== 8)
10775 || p
->u
.prefix4
.s_addr
== 0)
10777 /* Natural mask is not display. */
10780 vty_out (vty
, " mask %s", inet_ntoa (netmask
));
10784 vty_out (vty
, " network %s/%d",
10785 inet_ntop (p
->family
, &p
->u
.prefix
, buf
, SU_ADDRSTRLEN
),
10789 if (bgp_static
->label_index
!= BGP_INVALID_LABEL_INDEX
)
10790 vty_out (vty
, " label-index %u", bgp_static
->label_index
);
10792 if (bgp_static
->rmap
.name
)
10793 vty_out (vty
, " route-map %s", bgp_static
->rmap
.name
);
10796 if (bgp_static
->backdoor
)
10797 vty_out (vty
, " backdoor");
10800 vty_out (vty
, "%s", VTY_NEWLINE
);
10803 /* Aggregate-address configuration. */
10804 for (rn
= bgp_table_top (bgp
->aggregate
[afi
][safi
]); rn
; rn
= bgp_route_next (rn
))
10805 if ((bgp_aggregate
= rn
->info
) != NULL
)
10809 /* "address-family" display. */
10810 bgp_config_write_family_header (vty
, afi
, safi
, write
);
10812 if (bgp_option_check (BGP_OPT_CONFIG_CISCO
) && afi
== AFI_IP
)
10814 struct in_addr netmask
;
10816 masklen2ip (p
->prefixlen
, &netmask
);
10817 vty_out (vty
, " aggregate-address %s %s",
10818 inet_ntop (p
->family
, &p
->u
.prefix
, buf
, SU_ADDRSTRLEN
),
10819 inet_ntoa (netmask
));
10823 vty_out (vty
, " aggregate-address %s/%d",
10824 inet_ntop (p
->family
, &p
->u
.prefix
, buf
, SU_ADDRSTRLEN
),
10828 if (bgp_aggregate
->as_set
)
10829 vty_out (vty
, " as-set");
10831 if (bgp_aggregate
->summary_only
)
10832 vty_out (vty
, " summary-only");
10834 vty_out (vty
, "%s", VTY_NEWLINE
);
10841 bgp_config_write_distance (struct vty
*vty
, struct bgp
*bgp
, afi_t afi
,
10842 safi_t safi
, int *write
)
10844 struct bgp_node
*rn
;
10845 struct bgp_distance
*bdistance
;
10847 /* Distance configuration. */
10848 if (bgp
->distance_ebgp
[afi
][safi
]
10849 && bgp
->distance_ibgp
[afi
][safi
]
10850 && bgp
->distance_local
[afi
][safi
]
10851 && (bgp
->distance_ebgp
[afi
][safi
] != ZEBRA_EBGP_DISTANCE_DEFAULT
10852 || bgp
->distance_ibgp
[afi
][safi
] != ZEBRA_IBGP_DISTANCE_DEFAULT
10853 || bgp
->distance_local
[afi
][safi
] != ZEBRA_IBGP_DISTANCE_DEFAULT
))
10855 bgp_config_write_family_header (vty
, afi
, safi
, write
);
10856 vty_out (vty
, " distance bgp %d %d %d%s",
10857 bgp
->distance_ebgp
[afi
][safi
], bgp
->distance_ibgp
[afi
][safi
],
10858 bgp
->distance_local
[afi
][safi
], VTY_NEWLINE
);
10861 for (rn
= bgp_table_top (bgp_distance_table
[afi
][safi
]); rn
;
10862 rn
= bgp_route_next (rn
))
10863 if ((bdistance
= rn
->info
) != NULL
)
10865 char buf
[PREFIX_STRLEN
];
10867 bgp_config_write_family_header (vty
, afi
, safi
, write
);
10868 vty_out (vty
, " distance %d %s %s%s", bdistance
->distance
,
10869 prefix2str (&rn
->p
, buf
, sizeof (buf
)),
10870 bdistance
->access_list
? bdistance
->access_list
: "",
10877 /* Allocate routing table structure and install commands. */
10879 bgp_route_init (void)
10884 /* Init BGP distance table. */
10885 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
10886 for (safi
= SAFI_UNICAST
; safi
< SAFI_MAX
; safi
++)
10887 bgp_distance_table
[afi
][safi
] = bgp_table_init (afi
, safi
);
10889 /* IPv4 BGP commands. */
10890 install_element (BGP_NODE
, &bgp_table_map_cmd
);
10891 install_element (BGP_NODE
, &bgp_network_cmd
);
10892 install_element (BGP_NODE
, &bgp_network_mask_cmd
);
10893 install_element (BGP_NODE
, &bgp_network_mask_natural_cmd
);
10894 install_element (BGP_NODE
, &bgp_network_route_map_cmd
);
10895 install_element (BGP_NODE
, &bgp_network_mask_route_map_cmd
);
10896 install_element (BGP_NODE
, &bgp_network_mask_natural_route_map_cmd
);
10897 install_element (BGP_NODE
, &bgp_network_backdoor_cmd
);
10898 install_element (BGP_NODE
, &bgp_network_mask_backdoor_cmd
);
10899 install_element (BGP_NODE
, &bgp_network_mask_natural_backdoor_cmd
);
10900 install_element (BGP_NODE
, &no_bgp_table_map_cmd
);
10901 install_element (BGP_NODE
, &no_bgp_network_cmd
);
10902 install_element (BGP_NODE
, &no_bgp_network_mask_cmd
);
10903 install_element (BGP_NODE
, &no_bgp_network_mask_natural_cmd
);
10905 install_element (BGP_NODE
, &aggregate_address_cmd
);
10906 install_element (BGP_NODE
, &aggregate_address_mask_cmd
);
10907 install_element (BGP_NODE
, &no_aggregate_address_cmd
);
10908 install_element (BGP_NODE
, &no_aggregate_address_mask_cmd
);
10910 /* IPv4 unicast configuration. */
10911 install_element (BGP_IPV4_NODE
, &bgp_table_map_cmd
);
10912 install_element (BGP_IPV4_NODE
, &bgp_network_cmd
);
10913 install_element (BGP_IPV4_NODE
, &bgp_network_mask_cmd
);
10914 install_element (BGP_IPV4_NODE
, &bgp_network_mask_natural_cmd
);
10915 install_element (BGP_IPV4_NODE
, &bgp_network_route_map_cmd
);
10916 install_element (BGP_IPV4_NODE
, &bgp_network_mask_route_map_cmd
);
10917 install_element (BGP_IPV4_NODE
, &bgp_network_mask_natural_route_map_cmd
);
10918 install_element (BGP_IPV4L_NODE
, &no_bgp_network_label_index_cmd
);
10919 install_element (BGP_IPV4L_NODE
, &no_bgp_network_label_index_route_map_cmd
);
10920 install_element (BGP_IPV4_NODE
, &no_bgp_table_map_cmd
);
10921 install_element (BGP_IPV4_NODE
, &no_bgp_network_cmd
);
10922 install_element (BGP_IPV4_NODE
, &no_bgp_network_mask_cmd
);
10923 install_element (BGP_IPV4_NODE
, &no_bgp_network_mask_natural_cmd
);
10925 install_element (BGP_IPV4_NODE
, &aggregate_address_cmd
);
10926 install_element (BGP_IPV4_NODE
, &aggregate_address_mask_cmd
);
10927 install_element (BGP_IPV4_NODE
, &no_aggregate_address_cmd
);
10928 install_element (BGP_IPV4_NODE
, &no_aggregate_address_mask_cmd
);
10930 /* IPv4 multicast configuration. */
10931 install_element (BGP_IPV4M_NODE
, &bgp_table_map_cmd
);
10932 install_element (BGP_IPV4M_NODE
, &bgp_network_cmd
);
10933 install_element (BGP_IPV4M_NODE
, &bgp_network_mask_cmd
);
10934 install_element (BGP_IPV4M_NODE
, &bgp_network_mask_natural_cmd
);
10935 install_element (BGP_IPV4M_NODE
, &bgp_network_route_map_cmd
);
10936 install_element (BGP_IPV4M_NODE
, &bgp_network_mask_route_map_cmd
);
10937 install_element (BGP_IPV4M_NODE
, &bgp_network_mask_natural_route_map_cmd
);
10938 install_element (BGP_IPV4M_NODE
, &no_bgp_table_map_cmd
);
10939 install_element (BGP_IPV4M_NODE
, &no_bgp_network_cmd
);
10940 install_element (BGP_IPV4M_NODE
, &no_bgp_network_mask_cmd
);
10941 install_element (BGP_IPV4M_NODE
, &no_bgp_network_mask_natural_cmd
);
10942 install_element (BGP_IPV4M_NODE
, &aggregate_address_cmd
);
10943 install_element (BGP_IPV4M_NODE
, &aggregate_address_mask_cmd
);
10944 install_element (BGP_IPV4M_NODE
, &no_aggregate_address_cmd
);
10945 install_element (BGP_IPV4M_NODE
, &no_aggregate_address_mask_cmd
);
10947 /* IPv4 labeled-unicast configuration. */
10948 install_element (BGP_IPV4L_NODE
, &bgp_table_map_cmd
);
10949 install_element (BGP_IPV4L_NODE
, &bgp_network_cmd
);
10950 install_element (BGP_IPV4L_NODE
, &bgp_network_mask_cmd
);
10951 install_element (BGP_IPV4L_NODE
, &bgp_network_mask_natural_cmd
);
10952 install_element (BGP_IPV4L_NODE
, &bgp_network_route_map_cmd
);
10953 install_element (BGP_IPV4L_NODE
, &bgp_network_mask_route_map_cmd
);
10954 install_element (BGP_IPV4L_NODE
, &bgp_network_mask_natural_route_map_cmd
);
10955 install_element (BGP_IPV4L_NODE
, &bgp_network_label_index_cmd
);
10956 install_element (BGP_IPV4L_NODE
, &bgp_network_label_index_route_map_cmd
);
10957 install_element (BGP_IPV4L_NODE
, &no_bgp_table_map_cmd
);
10958 install_element (BGP_IPV4L_NODE
, &no_bgp_network_cmd
);
10959 install_element (BGP_IPV4L_NODE
, &no_bgp_network_mask_cmd
);
10960 install_element (BGP_IPV4L_NODE
, &no_bgp_network_mask_natural_cmd
);
10962 install_element (VIEW_NODE
, &show_ip_bgp_instance_all_cmd
);
10963 install_element (VIEW_NODE
, &show_ip_bgp_cmd
);
10964 install_element (VIEW_NODE
, &show_ip_bgp_route_cmd
);
10965 install_element (VIEW_NODE
, &show_ip_bgp_regexp_cmd
);
10967 install_element (VIEW_NODE
, &show_ip_bgp_instance_neighbor_advertised_route_cmd
);
10968 install_element (VIEW_NODE
, &show_ip_bgp_neighbor_routes_cmd
);
10969 install_element (VIEW_NODE
, &show_ip_bgp_neighbor_received_prefix_filter_cmd
);
10970 #ifdef KEEP_OLD_VPN_COMMANDS
10971 install_element (VIEW_NODE
, &show_ip_bgp_vpn_all_route_prefix_cmd
);
10972 #endif /* KEEP_OLD_VPN_COMMANDS */
10973 install_element (VIEW_NODE
, &show_bgp_afi_vpn_rd_route_cmd
);
10974 install_element (VIEW_NODE
, &show_ip_bgp_l2vpn_evpn_all_route_prefix_cmd
);
10976 /* BGP dampening clear commands */
10977 install_element (ENABLE_NODE
, &clear_ip_bgp_dampening_cmd
);
10978 install_element (ENABLE_NODE
, &clear_ip_bgp_dampening_prefix_cmd
);
10980 install_element (ENABLE_NODE
, &clear_ip_bgp_dampening_address_cmd
);
10981 install_element (ENABLE_NODE
, &clear_ip_bgp_dampening_address_mask_cmd
);
10984 install_element (ENABLE_NODE
, &show_ip_bgp_instance_neighbor_prefix_counts_cmd
);
10985 #ifdef KEEP_OLD_VPN_COMMANDS
10986 install_element (ENABLE_NODE
, &show_ip_bgp_vpn_neighbor_prefix_counts_cmd
);
10987 #endif /* KEEP_OLD_VPN_COMMANDS */
10989 /* New config IPv6 BGP commands. */
10990 install_element (BGP_IPV6_NODE
, &bgp_table_map_cmd
);
10991 install_element (BGP_IPV6_NODE
, &ipv6_bgp_network_cmd
);
10992 install_element (BGP_IPV6_NODE
, &ipv6_bgp_network_route_map_cmd
);
10993 install_element (BGP_IPV6_NODE
, &no_bgp_table_map_cmd
);
10994 install_element (BGP_IPV6_NODE
, &no_ipv6_bgp_network_cmd
);
10995 install_element (BGP_IPV6_NODE
, &ipv6_bgp_network_label_index_cmd
);
10996 install_element (BGP_IPV6_NODE
, &no_ipv6_bgp_network_label_index_cmd
);
10997 install_element (BGP_IPV6_NODE
, &ipv6_bgp_network_label_index_route_map_cmd
);
10998 install_element (BGP_IPV6_NODE
, &no_ipv6_bgp_network_label_index_route_map_cmd
);
11000 install_element (BGP_IPV6_NODE
, &ipv6_aggregate_address_cmd
);
11001 install_element (BGP_IPV6_NODE
, &no_ipv6_aggregate_address_cmd
);
11003 install_element (BGP_IPV6M_NODE
, &ipv6_bgp_network_cmd
);
11004 install_element (BGP_IPV6M_NODE
, &no_ipv6_bgp_network_cmd
);
11006 install_element (BGP_IPV6L_NODE
, &bgp_table_map_cmd
);
11007 install_element (BGP_IPV6L_NODE
, &ipv6_bgp_network_cmd
);
11008 install_element (BGP_IPV6L_NODE
, &ipv6_bgp_network_route_map_cmd
);
11009 install_element (BGP_IPV6L_NODE
, &no_bgp_table_map_cmd
);
11010 install_element (BGP_IPV6L_NODE
, &no_ipv6_bgp_network_cmd
);
11012 install_element (BGP_NODE
, &bgp_distance_cmd
);
11013 install_element (BGP_NODE
, &no_bgp_distance_cmd
);
11014 install_element (BGP_NODE
, &bgp_distance_source_cmd
);
11015 install_element (BGP_NODE
, &no_bgp_distance_source_cmd
);
11016 install_element (BGP_NODE
, &bgp_distance_source_access_list_cmd
);
11017 install_element (BGP_NODE
, &no_bgp_distance_source_access_list_cmd
);
11018 install_element (BGP_IPV4_NODE
, &bgp_distance_cmd
);
11019 install_element (BGP_IPV4_NODE
, &no_bgp_distance_cmd
);
11020 install_element (BGP_IPV4_NODE
, &bgp_distance_source_cmd
);
11021 install_element (BGP_IPV4_NODE
, &no_bgp_distance_source_cmd
);
11022 install_element (BGP_IPV4_NODE
, &bgp_distance_source_access_list_cmd
);
11023 install_element (BGP_IPV4_NODE
, &no_bgp_distance_source_access_list_cmd
);
11024 install_element (BGP_IPV4M_NODE
, &bgp_distance_cmd
);
11025 install_element (BGP_IPV4M_NODE
, &no_bgp_distance_cmd
);
11026 install_element (BGP_IPV4M_NODE
, &bgp_distance_source_cmd
);
11027 install_element (BGP_IPV4M_NODE
, &no_bgp_distance_source_cmd
);
11028 install_element (BGP_IPV4M_NODE
, &bgp_distance_source_access_list_cmd
);
11029 install_element (BGP_IPV4M_NODE
, &no_bgp_distance_source_access_list_cmd
);
11030 install_element (BGP_IPV6_NODE
, &bgp_distance_cmd
);
11031 install_element (BGP_IPV6_NODE
, &no_bgp_distance_cmd
);
11032 install_element (BGP_IPV6_NODE
, &ipv6_bgp_distance_source_cmd
);
11033 install_element (BGP_IPV6_NODE
, &no_ipv6_bgp_distance_source_cmd
);
11034 install_element (BGP_IPV6_NODE
, &ipv6_bgp_distance_source_access_list_cmd
);
11035 install_element (BGP_IPV6_NODE
, &no_ipv6_bgp_distance_source_access_list_cmd
);
11036 install_element (BGP_IPV6M_NODE
, &bgp_distance_cmd
);
11037 install_element (BGP_IPV6M_NODE
, &no_bgp_distance_cmd
);
11038 install_element (BGP_IPV6M_NODE
, &ipv6_bgp_distance_source_cmd
);
11039 install_element (BGP_IPV6M_NODE
, &no_ipv6_bgp_distance_source_cmd
);
11040 install_element (BGP_IPV6M_NODE
, &ipv6_bgp_distance_source_access_list_cmd
);
11041 install_element (BGP_IPV6M_NODE
, &no_ipv6_bgp_distance_source_access_list_cmd
);
11043 install_element (BGP_NODE
, &bgp_damp_set_cmd
);
11044 install_element (BGP_NODE
, &bgp_damp_unset_cmd
);
11045 install_element (BGP_IPV4_NODE
, &bgp_damp_set_cmd
);
11046 install_element (BGP_IPV4_NODE
, &bgp_damp_unset_cmd
);
11048 /* IPv4 Multicast Mode */
11049 install_element (BGP_IPV4M_NODE
, &bgp_damp_set_cmd
);
11050 install_element (BGP_IPV4M_NODE
, &bgp_damp_unset_cmd
);
11052 /* Large Communities */
11053 install_element (VIEW_NODE
, &show_ip_bgp_large_community_list_cmd
);
11054 install_element (VIEW_NODE
, &show_ip_bgp_large_community_cmd
);
11058 bgp_route_finish (void)
11063 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
11064 for (safi
= SAFI_UNICAST
; safi
< SAFI_MAX
; safi
++)
11066 bgp_table_unlock (bgp_distance_table
[afi
][safi
]);
11067 bgp_distance_table
[afi
][safi
] = NULL
;