1 /* BGP message definition header.
2 Copyright (C) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro
4 This file is part of GNU Zebra.
6 GNU Zebra is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 GNU Zebra is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Zebra; see the file COPYING. If not, write to the Free
18 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
21 #ifndef _QUAGGA_BGPD_H
22 #define _QUAGGA_BGPD_H
24 /* For union sockunion. */
25 #include "sockunion.h"
27 /* Typedef BGP specific types. */
28 typedef u_int32_t as_t;
29 typedef u_int16_t as16_t; /* we may still encounter 16 Bit asnums */
30 typedef u_int16_t bgp_size_t;
32 /* BGP master for system wide configurations and variables. */
35 /* BGP instance list. */
38 /* BGP thread master. */
39 struct thread_master *master;
42 struct work_queue *process_main_queue;
43 struct work_queue *process_rsclient_queue;
45 /* Listening sockets */
46 struct list *listen_sockets;
48 /* BGP port number. */
51 /* Listener address */
57 /* Various BGP global configuration. */
59 #define BGP_OPT_NO_FIB (1 << 0)
60 #define BGP_OPT_MULTIPLE_INSTANCE (1 << 1)
61 #define BGP_OPT_CONFIG_CISCO (1 << 2)
62 #define BGP_OPT_NO_LISTEN (1 << 3)
65 /* BGP instance structure. */
68 /* AS number of this BGP instance. */
71 /* Name of this BGP instance. */
74 /* Reference count to allow peer_delete to finish after bgp_delete */
78 struct peer *peer_self;
86 /* BGP route-server-clients. */
87 struct list *rsclient;
89 /* BGP configuration. */
91 #define BGP_CONFIG_ROUTER_ID (1 << 0)
92 #define BGP_CONFIG_CLUSTER_ID (1 << 1)
93 #define BGP_CONFIG_CONFEDERATION (1 << 2)
95 /* BGP router identifier. */
96 struct in_addr router_id;
97 struct in_addr router_id_static;
99 /* BGP route reflector cluster ID. */
100 struct in_addr cluster_id;
102 /* BGP confederation information. */
105 int confed_peers_cnt;
107 struct thread *t_startup;
111 #define BGP_FLAG_ALWAYS_COMPARE_MED (1 << 0)
112 #define BGP_FLAG_DETERMINISTIC_MED (1 << 1)
113 #define BGP_FLAG_MED_MISSING_AS_WORST (1 << 2)
114 #define BGP_FLAG_MED_CONFED (1 << 3)
115 #define BGP_FLAG_NO_DEFAULT_IPV4 (1 << 4)
116 #define BGP_FLAG_NO_CLIENT_TO_CLIENT (1 << 5)
117 #define BGP_FLAG_ENFORCE_FIRST_AS (1 << 6)
118 #define BGP_FLAG_COMPARE_ROUTER_ID (1 << 7)
119 #define BGP_FLAG_ASPATH_IGNORE (1 << 8)
120 #define BGP_FLAG_IMPORT_CHECK (1 << 9)
121 #define BGP_FLAG_NO_FAST_EXT_FAILOVER (1 << 10)
122 #define BGP_FLAG_LOG_NEIGHBOR_CHANGES (1 << 11)
123 #define BGP_FLAG_GRACEFUL_RESTART (1 << 12)
124 #define BGP_FLAG_ASPATH_CONFED (1 << 13)
125 #define BGP_FLAG_ASPATH_MULTIPATH_RELAX (1 << 14)
126 #define BGP_FLAG_DELETING (1 << 15)
127 #define BGP_FLAG_RR_ALLOW_OUTBOUND_POLICY (1 << 16)
129 /* BGP Per AF flags */
130 u_int16_t af_flags[AFI_MAX][SAFI_MAX];
131 #define BGP_CONFIG_DAMPENING (1 << 0)
133 /* Static route configuration. */
134 struct bgp_table *route[AFI_MAX][SAFI_MAX];
136 /* Aggregate address configuration. */
137 struct bgp_table *aggregate[AFI_MAX][SAFI_MAX];
139 /* BGP routing information base. */
140 struct bgp_table *rib[AFI_MAX][SAFI_MAX];
142 /* BGP redistribute configuration. */
143 u_char redist[AFI_MAX][ZEBRA_ROUTE_MAX];
145 /* BGP redistribute metric configuration. */
146 u_char redist_metric_flag[AFI_MAX][ZEBRA_ROUTE_MAX];
147 u_int32_t redist_metric[AFI_MAX][ZEBRA_ROUTE_MAX];
149 /* BGP redistribute route-map. */
153 struct route_map *map;
154 } rmap[AFI_MAX][ZEBRA_ROUTE_MAX];
156 /* BGP distance configuration. */
157 u_char distance_ebgp;
158 u_char distance_ibgp;
159 u_char distance_local;
161 /* BGP ipv6 distance configuration. */
162 u_char ipv6_distance_ebgp;
163 u_char ipv6_distance_ibgp;
164 u_char ipv6_distance_local;
166 /* BGP default local-preference. */
167 u_int32_t default_local_pref;
169 /* BGP default timer. */
170 u_int32_t default_holdtime;
171 u_int32_t default_keepalive;
173 /* BGP graceful restart */
174 u_int32_t restart_time;
175 u_int32_t stalepath_time;
177 /* Maximum-paths configuration */
178 struct bgp_maxpaths_cfg {
179 u_int16_t maxpaths_ebgp;
180 u_int16_t maxpaths_ibgp;
181 } maxpaths[AFI_MAX][SAFI_MAX];
184 /* BGP peer-group support. */
187 /* Name of the peer-group. */
190 /* Pointer to BGP. */
193 /* Peer-group client list. */
196 /* Peer-group config */
200 /* BGP Notify message format. */
209 /* Next hop self address. */
212 struct interface *ifp;
214 struct in6_addr v6_global;
215 struct in6_addr v6_local;
218 /* BGP router distinguisher value. */
219 #define BGP_RD_SIZE 8
223 u_char val[BGP_RD_SIZE];
228 #define RMAP_IMPORT 2
229 #define RMAP_EXPORT 3
232 /* BGP filter structure. */
235 /* Distribute-list. */
239 struct access_list *alist;
246 struct prefix_list *plist;
253 struct as_list *aslist;
254 } aslist[FILTER_MAX];
260 struct route_map *map;
263 /* Unsuppress-map. */
267 struct route_map *map;
271 /* IBGP/EBGP identifier. We also have a CONFED peer, which is to say,
272 a peer who's AS is part of our Confederation. */
281 #define BGP_MAX_PACKET_SIZE_OVERFLOW 1024
283 /* BGP neighbor structure. */
289 /* reference count, primarily to allow bgp_process'ing of route_node's
290 * to be done after a struct peer is deleted.
292 * named 'lock' for hysterical reasons within Quagga.
296 /* BGP peer group. */
297 struct peer_group *group;
298 u_char af_group[AFI_MAX][SAFI_MAX];
300 /* Peer's remote AS number. */
303 /* Peer's local AS number. */
306 bgp_peer_sort_t sort;
308 /* Peer's Change local AS number. */
309 as_t change_local_as;
311 /* Remote router ID. */
312 struct in_addr remote_id;
314 /* Local router ID. */
315 struct in_addr local_id;
317 /* Peer specific RIB when configured as route-server-client. */
318 struct bgp_table *rib[AFI_MAX][SAFI_MAX];
320 /* Packet receive and send buffer. */
322 struct stream_fifo *obuf;
325 /* We use a separate stream to encode MP_REACH_NLRI for efficient
326 * NLRI packing. peer->work stores all the other attributes. The
327 * actual packet is then constructed by concatenating the two.
329 struct stream *scratch;
331 /* Status of the peer. */
335 /* Peer index, used for dumping TABLE_DUMP_V2 format */
336 uint16_t table_dump_index;
338 /* Peer information */
339 int fd; /* File descriptor */
340 int ttl; /* TTL of TCP connection to the peer. */
341 int rtt; /* Estimated round-trip-time from TCP_INFO */
342 int gtsm_hops; /* minimum hopcount to peer */
343 char *desc; /* Description of the peer. */
344 unsigned short port; /* Destination port for peer */
345 char *host; /* Printable address of the peer. */
346 union sockunion su; /* Sockunion address of the peer. */
347 time_t uptime; /* Last Up/Down time */
348 time_t readtime; /* Last read time */
349 time_t resettime; /* Last reset time */
351 ifindex_t ifindex; /* ifindex of the BGP connection. */
352 char *ifname; /* bind interface name. */
354 union sockunion *update_source;
357 union sockunion *su_local; /* Sockunion of local address. */
358 union sockunion *su_remote; /* Sockunion of remote address. */
359 int shared_network; /* Is this peer shared same network. */
360 struct bgp_nexthop nexthop; /* Nexthop */
362 /* Peer address family configuration. */
363 u_char afc[AFI_MAX][SAFI_MAX];
364 u_char afc_nego[AFI_MAX][SAFI_MAX];
365 u_char afc_adv[AFI_MAX][SAFI_MAX];
366 u_char afc_recv[AFI_MAX][SAFI_MAX];
368 /* Capability flags (reset in bgp_stop) */
370 #define PEER_CAP_REFRESH_ADV (1 << 0) /* refresh advertised */
371 #define PEER_CAP_REFRESH_OLD_RCV (1 << 1) /* refresh old received */
372 #define PEER_CAP_REFRESH_NEW_RCV (1 << 2) /* refresh rfc received */
373 #define PEER_CAP_DYNAMIC_ADV (1 << 3) /* dynamic advertised */
374 #define PEER_CAP_DYNAMIC_RCV (1 << 4) /* dynamic received */
375 #define PEER_CAP_RESTART_ADV (1 << 5) /* restart advertised */
376 #define PEER_CAP_RESTART_RCV (1 << 6) /* restart received */
377 #define PEER_CAP_AS4_ADV (1 << 7) /* as4 advertised */
378 #define PEER_CAP_AS4_RCV (1 << 8) /* as4 received */
379 #define PEER_CAP_RESTART_BIT_ADV (1 << 9) /* sent restart state */
380 #define PEER_CAP_RESTART_BIT_RCV (1 << 10) /* peer restart state */
382 /* Capability flags (reset in bgp_stop) */
383 u_int16_t af_cap[AFI_MAX][SAFI_MAX];
384 #define PEER_CAP_ORF_PREFIX_SM_ADV (1 << 0) /* send-mode advertised */
385 #define PEER_CAP_ORF_PREFIX_RM_ADV (1 << 1) /* receive-mode advertised */
386 #define PEER_CAP_ORF_PREFIX_SM_RCV (1 << 2) /* send-mode received */
387 #define PEER_CAP_ORF_PREFIX_RM_RCV (1 << 3) /* receive-mode received */
388 #define PEER_CAP_ORF_PREFIX_SM_OLD_RCV (1 << 4) /* send-mode received */
389 #define PEER_CAP_ORF_PREFIX_RM_OLD_RCV (1 << 5) /* receive-mode received */
390 #define PEER_CAP_RESTART_AF_RCV (1 << 6) /* graceful restart afi/safi received */
391 #define PEER_CAP_RESTART_AF_PRESERVE_RCV (1 << 7) /* graceful restart afi/safi F-bit received */
393 /* Global configuration flags. */
395 #define PEER_FLAG_PASSIVE (1 << 0) /* passive mode */
396 #define PEER_FLAG_SHUTDOWN (1 << 1) /* shutdown */
397 #define PEER_FLAG_DONT_CAPABILITY (1 << 2) /* dont-capability */
398 #define PEER_FLAG_OVERRIDE_CAPABILITY (1 << 3) /* override-capability */
399 #define PEER_FLAG_STRICT_CAP_MATCH (1 << 4) /* strict-match */
400 #define PEER_FLAG_DYNAMIC_CAPABILITY (1 << 5) /* dynamic capability */
401 #define PEER_FLAG_DISABLE_CONNECTED_CHECK (1 << 6) /* disable-connected-check */
402 #define PEER_FLAG_LOCAL_AS_NO_PREPEND (1 << 7) /* local-as no-prepend */
403 #define PEER_FLAG_LOCAL_AS_REPLACE_AS (1 << 8) /* local-as no-prepend replace-as */
405 /* NSF mode (graceful restart) */
406 u_char nsf[AFI_MAX][SAFI_MAX];
408 /* Per AF configuration flags. */
409 u_int32_t af_flags[AFI_MAX][SAFI_MAX];
410 #define PEER_FLAG_SEND_COMMUNITY (1 << 0) /* send-community */
411 #define PEER_FLAG_SEND_EXT_COMMUNITY (1 << 1) /* send-community ext. */
412 #define PEER_FLAG_NEXTHOP_SELF (1 << 2) /* next-hop-self */
413 #define PEER_FLAG_REFLECTOR_CLIENT (1 << 3) /* reflector-client */
414 #define PEER_FLAG_RSERVER_CLIENT (1 << 4) /* route-server-client */
415 #define PEER_FLAG_SOFT_RECONFIG (1 << 5) /* soft-reconfiguration */
416 #define PEER_FLAG_AS_PATH_UNCHANGED (1 << 6) /* transparent-as */
417 #define PEER_FLAG_NEXTHOP_UNCHANGED (1 << 7) /* transparent-next-hop */
418 #define PEER_FLAG_MED_UNCHANGED (1 << 8) /* transparent-next-hop */
419 #define PEER_FLAG_DEFAULT_ORIGINATE (1 << 9) /* default-originate */
420 #define PEER_FLAG_REMOVE_PRIVATE_AS (1 << 10) /* remove-private-as */
421 #define PEER_FLAG_ALLOWAS_IN (1 << 11) /* set allowas-in */
422 #define PEER_FLAG_ORF_PREFIX_SM (1 << 12) /* orf capability send-mode */
423 #define PEER_FLAG_ORF_PREFIX_RM (1 << 13) /* orf capability receive-mode */
424 #define PEER_FLAG_MAX_PREFIX (1 << 14) /* maximum prefix */
425 #define PEER_FLAG_MAX_PREFIX_WARNING (1 << 15) /* maximum prefix warning-only */
426 #define PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED (1 << 16) /* leave link-local nexthop unchanged */
427 #define PEER_FLAG_NEXTHOP_SELF_ALL (1 << 17) /* next-hop-self all */
428 #define PEER_FLAG_SEND_LARGE_COMMUNITY (1 << 18) /* Send large Communities */
433 /* default-originate route-map. */
437 struct route_map *map;
438 } default_rmap[AFI_MAX][SAFI_MAX];
440 /* Peer status flags. */
442 #define PEER_STATUS_ACCEPT_PEER (1 << 0) /* accept peer */
443 #define PEER_STATUS_PREFIX_OVERFLOW (1 << 1) /* prefix-overflow */
444 #define PEER_STATUS_CAPABILITY_OPEN (1 << 2) /* capability open send */
445 #define PEER_STATUS_OPEN_DEFERRED (1 << 3) /* deferred to open_receive */
446 #define PEER_STATUS_GROUP (1 << 4) /* peer-group conf */
447 #define PEER_STATUS_NSF_MODE (1 << 5) /* NSF aware peer */
448 #define PEER_STATUS_NSF_WAIT (1 << 6) /* wait comeback peer */
450 /* Peer status af flags (reset in bgp_stop) */
451 u_int16_t af_sflags[AFI_MAX][SAFI_MAX];
452 #define PEER_STATUS_ORF_PREFIX_SEND (1 << 0) /* prefix-list send peer */
453 #define PEER_STATUS_ORF_WAIT_REFRESH (1 << 1) /* wait refresh received peer */
454 #define PEER_STATUS_DEFAULT_ORIGINATE (1 << 2) /* default-originate peer */
455 #define PEER_STATUS_PREFIX_THRESHOLD (1 << 3) /* exceed prefix-threshold */
456 #define PEER_STATUS_PREFIX_LIMIT (1 << 4) /* exceed prefix-limit */
457 #define PEER_STATUS_EOR_SEND (1 << 5) /* end-of-rib send to peer */
458 #define PEER_STATUS_EOR_RECEIVED (1 << 6) /* end-of-rib received from peer */
460 /* Default attribute value for the peer. */
462 #define PEER_CONFIG_WEIGHT (1 << 0) /* Default weight. */
463 #define PEER_CONFIG_TIMER (1 << 1) /* keepalive & holdtime */
464 #define PEER_CONFIG_CONNECT (1 << 2) /* connect */
465 #define PEER_CONFIG_ROUTEADV (1 << 3) /* route advertise */
475 u_int32_t v_holdtime;
476 u_int32_t v_keepalive;
477 u_int32_t v_routeadv;
478 u_int32_t v_pmax_restart;
479 u_int32_t v_gr_restart;
482 struct thread *t_read;
483 struct thread *t_write;
484 struct thread *t_start;
485 struct thread *t_connect;
486 struct thread *t_holdtime;
487 struct thread *t_keepalive;
488 struct thread *t_routeadv;
489 struct thread *t_pmax_restart;
490 struct thread *t_gr_restart;
491 struct thread *t_gr_stale;
494 struct work_queue *clear_node_queue;
496 /* Statistics field */
497 u_int32_t open_in; /* Open message input count */
498 u_int32_t open_out; /* Open message output count */
499 u_int32_t update_in; /* Update message input count */
500 u_int32_t update_out; /* Update message ouput count */
501 time_t update_time; /* Update message received time. */
502 u_int32_t keepalive_in; /* Keepalive input count */
503 u_int32_t keepalive_out; /* Keepalive output count */
504 u_int32_t notify_in; /* Notify input count */
505 u_int32_t notify_out; /* Notify output count */
506 u_int32_t refresh_in; /* Route Refresh input count */
507 u_int32_t refresh_out; /* Route Refresh output count */
508 u_int32_t dynamic_cap_in; /* Dynamic Capability input count. */
509 u_int32_t dynamic_cap_out; /* Dynamic Capability output count. */
511 /* BGP state count */
512 u_int32_t established; /* Established */
513 u_int32_t dropped; /* Dropped */
515 /* Syncronization list and time. */
516 struct bgp_synchronize *sync[AFI_MAX][SAFI_MAX];
519 /* Send prefix count. */
520 unsigned long scount[AFI_MAX][SAFI_MAX];
522 /* Announcement attribute hash. */
523 struct hash *hash[AFI_MAX][SAFI_MAX];
526 struct bgp_notify notify;
528 /* Whole packet size to be read. */
529 unsigned long packet_size;
531 /* Filter structure. */
532 struct bgp_filter filter[AFI_MAX][SAFI_MAX];
534 /* ORF Prefix-list */
535 struct prefix_list *orf_plist[AFI_MAX][SAFI_MAX];
538 unsigned long pcount[AFI_MAX][SAFI_MAX];
540 /* Max prefix count. */
541 unsigned long pmax[AFI_MAX][SAFI_MAX];
542 u_char pmax_threshold[AFI_MAX][SAFI_MAX];
543 u_int16_t pmax_restart[AFI_MAX][SAFI_MAX];
544 #define MAXIMUM_PREFIX_THRESHOLD_DEFAULT 75
547 char allowas_in[AFI_MAX][SAFI_MAX];
549 /* peer reset cause */
551 #define PEER_DOWN_RID_CHANGE 1 /* bgp router-id command */
552 #define PEER_DOWN_REMOTE_AS_CHANGE 2 /* neighbor remote-as command */
553 #define PEER_DOWN_LOCAL_AS_CHANGE 3 /* neighbor local-as command */
554 #define PEER_DOWN_CLID_CHANGE 4 /* bgp cluster-id command */
555 #define PEER_DOWN_CONFED_ID_CHANGE 5 /* bgp confederation identifier command */
556 #define PEER_DOWN_CONFED_PEER_CHANGE 6 /* bgp confederation peer command */
557 #define PEER_DOWN_RR_CLIENT_CHANGE 7 /* neighbor route-reflector-client command */
558 #define PEER_DOWN_RS_CLIENT_CHANGE 8 /* neighbor route-server-client command */
559 #define PEER_DOWN_UPDATE_SOURCE_CHANGE 9 /* neighbor update-source command */
560 #define PEER_DOWN_AF_ACTIVATE 10 /* neighbor activate command */
561 #define PEER_DOWN_USER_SHUTDOWN 11 /* neighbor shutdown command */
562 #define PEER_DOWN_USER_RESET 12 /* clear ip bgp command */
563 #define PEER_DOWN_NOTIFY_RECEIVED 13 /* notification received */
564 #define PEER_DOWN_NOTIFY_SEND 14 /* notification send */
565 #define PEER_DOWN_CLOSE_SESSION 15 /* tcp session close */
566 #define PEER_DOWN_NEIGHBOR_DELETE 16 /* neghbor delete */
567 #define PEER_DOWN_RMAP_BIND 17 /* neghbor peer-group command */
568 #define PEER_DOWN_RMAP_UNBIND 18 /* no neighbor peer-group command */
569 #define PEER_DOWN_CAPABILITY_CHANGE 19 /* neighbor capability command */
570 #define PEER_DOWN_PASSIVE_CHANGE 20 /* neighbor passive command */
571 #define PEER_DOWN_MULTIHOP_CHANGE 21 /* neighbor multihop command */
572 #define PEER_DOWN_NSF_CLOSE_SESSION 22 /* NSF tcp session close */
574 /* The kind of route-map Flags.*/
576 #define PEER_RMAP_TYPE_IN (1 << 0) /* neighbor route-map in */
577 #define PEER_RMAP_TYPE_OUT (1 << 1) /* neighbor route-map out */
578 #define PEER_RMAP_TYPE_NETWORK (1 << 2) /* network route-map */
579 #define PEER_RMAP_TYPE_REDISTRIBUTE (1 << 3) /* redistribute route-map */
580 #define PEER_RMAP_TYPE_DEFAULT (1 << 4) /* default-originate route-map */
581 #define PEER_RMAP_TYPE_NOSET (1 << 5) /* not allow to set commands */
582 #define PEER_RMAP_TYPE_IMPORT (1 << 6) /* neighbor route-map import */
583 #define PEER_RMAP_TYPE_EXPORT (1 << 7) /* neighbor route-map export */
586 #define PEER_PASSWORD_MINLEN (1)
587 #define PEER_PASSWORD_MAXLEN (80)
589 /* This structure's member directly points incoming packet data
599 /* Pointer to NLRI byte stream. */
602 /* Length of whole NLRI. */
607 #define BGP_VERSION_4 4
609 /* Default BGP port number. */
610 #define BGP_PORT_DEFAULT 179
612 /* BGP message header and packet size. */
613 #define BGP_MARKER_SIZE 16
614 #define BGP_HEADER_SIZE 19
615 #define BGP_MAX_PACKET_SIZE 4096
617 /* BGP minimum message size. */
618 #define BGP_MSG_OPEN_MIN_SIZE (BGP_HEADER_SIZE + 10)
619 #define BGP_MSG_UPDATE_MIN_SIZE (BGP_HEADER_SIZE + 4)
620 #define BGP_MSG_NOTIFY_MIN_SIZE (BGP_HEADER_SIZE + 2)
621 #define BGP_MSG_KEEPALIVE_MIN_SIZE (BGP_HEADER_SIZE + 0)
622 #define BGP_MSG_ROUTE_REFRESH_MIN_SIZE (BGP_HEADER_SIZE + 4)
623 #define BGP_MSG_CAPABILITY_MIN_SIZE (BGP_HEADER_SIZE + 3)
625 /* BGP message types. */
626 #define BGP_MSG_OPEN 1
627 #define BGP_MSG_UPDATE 2
628 #define BGP_MSG_NOTIFY 3
629 #define BGP_MSG_KEEPALIVE 4
630 #define BGP_MSG_ROUTE_REFRESH_NEW 5
631 #define BGP_MSG_CAPABILITY 6
632 #define BGP_MSG_ROUTE_REFRESH_OLD 128
634 /* BGP open optional parameter. */
635 #define BGP_OPEN_OPT_AUTH 1
636 #define BGP_OPEN_OPT_CAP 2
638 /* BGP4 attribute type codes. */
639 #define BGP_ATTR_ORIGIN 1
640 #define BGP_ATTR_AS_PATH 2
641 #define BGP_ATTR_NEXT_HOP 3
642 #define BGP_ATTR_MULTI_EXIT_DISC 4
643 #define BGP_ATTR_LOCAL_PREF 5
644 #define BGP_ATTR_ATOMIC_AGGREGATE 6
645 #define BGP_ATTR_AGGREGATOR 7
646 #define BGP_ATTR_COMMUNITIES 8
647 #define BGP_ATTR_ORIGINATOR_ID 9
648 #define BGP_ATTR_CLUSTER_LIST 10
649 #define BGP_ATTR_DPA 11
650 #define BGP_ATTR_ADVERTISER 12
651 #define BGP_ATTR_RCID_PATH 13
652 #define BGP_ATTR_MP_REACH_NLRI 14
653 #define BGP_ATTR_MP_UNREACH_NLRI 15
654 #define BGP_ATTR_EXT_COMMUNITIES 16
655 #define BGP_ATTR_AS4_PATH 17
656 #define BGP_ATTR_AS4_AGGREGATOR 18
657 #define BGP_ATTR_AS_PATHLIMIT 21
658 #define BGP_ATTR_ENCAP 23
659 #define BGP_ATTR_LARGE_COMMUNITIES 32
661 /* BGP update origin. */
662 #define BGP_ORIGIN_IGP 0
663 #define BGP_ORIGIN_EGP 1
664 #define BGP_ORIGIN_INCOMPLETE 2
666 /* BGP notify message codes. */
667 #define BGP_NOTIFY_HEADER_ERR 1
668 #define BGP_NOTIFY_OPEN_ERR 2
669 #define BGP_NOTIFY_UPDATE_ERR 3
670 #define BGP_NOTIFY_HOLD_ERR 4
671 #define BGP_NOTIFY_FSM_ERR 5
672 #define BGP_NOTIFY_CEASE 6
673 #define BGP_NOTIFY_CAPABILITY_ERR 7
674 #define BGP_NOTIFY_MAX 8
676 #define BGP_NOTIFY_SUBCODE_UNSPECIFIC 0
678 /* BGP_NOTIFY_HEADER_ERR sub codes. */
679 #define BGP_NOTIFY_HEADER_NOT_SYNC 1
680 #define BGP_NOTIFY_HEADER_BAD_MESLEN 2
681 #define BGP_NOTIFY_HEADER_BAD_MESTYPE 3
682 #define BGP_NOTIFY_HEADER_MAX 4
684 /* BGP_NOTIFY_OPEN_ERR sub codes. */
685 #define BGP_NOTIFY_OPEN_UNSPECIFIC 0
686 #define BGP_NOTIFY_OPEN_UNSUP_VERSION 1
687 #define BGP_NOTIFY_OPEN_BAD_PEER_AS 2
688 #define BGP_NOTIFY_OPEN_BAD_BGP_IDENT 3
689 #define BGP_NOTIFY_OPEN_UNSUP_PARAM 4
690 #define BGP_NOTIFY_OPEN_AUTH_FAILURE 5
691 #define BGP_NOTIFY_OPEN_UNACEP_HOLDTIME 6
692 #define BGP_NOTIFY_OPEN_UNSUP_CAPBL 7
693 #define BGP_NOTIFY_OPEN_MAX 8
695 /* BGP_NOTIFY_UPDATE_ERR sub codes. */
696 #define BGP_NOTIFY_UPDATE_MAL_ATTR 1
697 #define BGP_NOTIFY_UPDATE_UNREC_ATTR 2
698 #define BGP_NOTIFY_UPDATE_MISS_ATTR 3
699 #define BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR 4
700 #define BGP_NOTIFY_UPDATE_ATTR_LENG_ERR 5
701 #define BGP_NOTIFY_UPDATE_INVAL_ORIGIN 6
702 #define BGP_NOTIFY_UPDATE_AS_ROUTE_LOOP 7
703 #define BGP_NOTIFY_UPDATE_INVAL_NEXT_HOP 8
704 #define BGP_NOTIFY_UPDATE_OPT_ATTR_ERR 9
705 #define BGP_NOTIFY_UPDATE_INVAL_NETWORK 10
706 #define BGP_NOTIFY_UPDATE_MAL_AS_PATH 11
707 #define BGP_NOTIFY_UPDATE_MAX 12
709 /* BGP_NOTIFY_CEASE sub codes (RFC 4486). */
710 #define BGP_NOTIFY_CEASE_MAX_PREFIX 1
711 #define BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN 2
712 #define BGP_NOTIFY_CEASE_PEER_UNCONFIG 3
713 #define BGP_NOTIFY_CEASE_ADMIN_RESET 4
714 #define BGP_NOTIFY_CEASE_CONNECT_REJECT 5
715 #define BGP_NOTIFY_CEASE_CONFIG_CHANGE 6
716 #define BGP_NOTIFY_CEASE_COLLISION_RESOLUTION 7
717 #define BGP_NOTIFY_CEASE_OUT_OF_RESOURCE 8
718 #define BGP_NOTIFY_CEASE_MAX 9
720 /* BGP_NOTIFY_CAPABILITY_ERR sub codes (draft-ietf-idr-dynamic-cap-02). */
721 #define BGP_NOTIFY_CAPABILITY_INVALID_ACTION 1
722 #define BGP_NOTIFY_CAPABILITY_INVALID_LENGTH 2
723 #define BGP_NOTIFY_CAPABILITY_MALFORMED_CODE 3
724 #define BGP_NOTIFY_CAPABILITY_MAX 4
726 /* BGP finite state machine status. */
731 #define OpenConfirm 5
732 #define Established 6
735 #define BGP_STATUS_MAX 9
737 /* BGP finite state machine events. */
740 #define TCP_connection_open 3
741 #define TCP_connection_closed 4
742 #define TCP_connection_open_failed 5
743 #define TCP_fatal_error 6
744 #define ConnectRetry_timer_expired 7
745 #define Hold_Timer_expired 8
746 #define KeepAlive_timer_expired 9
747 #define Receive_OPEN_message 10
748 #define Receive_KEEPALIVE_message 11
749 #define Receive_UPDATE_message 12
750 #define Receive_NOTIFICATION_message 13
751 #define Clearing_Completed 14
752 #define BGP_Stop_with_error 15
753 #define BGP_EVENTS_MAX 16
755 /* BGP timers default value. */
756 #define BGP_INIT_START_TIMER 1
757 #define BGP_DEFAULT_HOLDTIME 180
758 #define BGP_DEFAULT_KEEPALIVE 60
759 #define BGP_DEFAULT_EBGP_ROUTEADV 3
760 #define BGP_DEFAULT_IBGP_ROUTEADV 1
761 #define BGP_DEFAULT_CONNECT_RETRY 5
763 /* BGP default local preference. */
764 #define BGP_DEFAULT_LOCAL_PREF 100
766 /* BGP graceful restart */
767 #define BGP_DEFAULT_RESTART_TIME 120
768 #define BGP_DEFAULT_STALEPATH_TIME 360
771 #define SAFI_MPLS_LABELED_VPN 128
776 /* BGP uptime string length. */
777 #define BGP_UPTIME_LEN 25
779 /* Default configuration settings for bgpd. */
780 #define BGP_VTY_PORT 2605
781 #define BGP_DEFAULT_CONFIG "bgpd.conf"
783 /* Check AS path loop when we send NLRI. */
784 /* #define BGP_SEND_ASPATH_CHECK */
786 /* Flag for peer_clear_soft(). */
793 BGP_CLEAR_SOFT_IN_ORF_PREFIX,
794 BGP_CLEAR_SOFT_RSCLIENT
798 #define BGP_INPUT(P) ((P)->ibuf)
799 #define BGP_INPUT_PNT(P) (STREAM_PNT(BGP_INPUT(P)))
800 #define BGP_IS_VALID_STATE_FOR_NOTIF(S)\
801 (((S) == OpenSent) || ((S) == OpenConfirm) || ((S) == Established))
803 /* BGP error codes. */
804 #define BGP_SUCCESS 0
805 #define BGP_ERR_INVALID_VALUE -1
806 #define BGP_ERR_INVALID_FLAG -2
807 #define BGP_ERR_INVALID_AS -3
808 #define BGP_ERR_INVALID_BGP -4
809 #define BGP_ERR_PEER_GROUP_MEMBER -5
810 #define BGP_ERR_MULTIPLE_INSTANCE_USED -6
811 #define BGP_ERR_PEER_GROUP_MEMBER_EXISTS -7
812 #define BGP_ERR_PEER_BELONGS_TO_GROUP -8
813 #define BGP_ERR_PEER_GROUP_AF_UNCONFIGURED -9
814 #define BGP_ERR_PEER_GROUP_NO_REMOTE_AS -10
815 #define BGP_ERR_PEER_GROUP_CANT_CHANGE -11
816 #define BGP_ERR_PEER_GROUP_MISMATCH -12
817 #define BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT -13
818 #define BGP_ERR_MULTIPLE_INSTANCE_NOT_SET -14
819 #define BGP_ERR_AS_MISMATCH -15
820 #define BGP_ERR_PEER_INACTIVE -16
821 #define BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER -17
822 #define BGP_ERR_PEER_GROUP_HAS_THE_FLAG -18
823 #define BGP_ERR_PEER_FLAG_CONFLICT -19
824 #define BGP_ERR_PEER_GROUP_SHUTDOWN -20
825 #define BGP_ERR_PEER_FILTER_CONFLICT -21
826 #define BGP_ERR_NOT_INTERNAL_PEER -22
827 #define BGP_ERR_REMOVE_PRIVATE_AS -23
828 #define BGP_ERR_AF_UNCONFIGURED -24
829 #define BGP_ERR_SOFT_RECONFIG_UNCONFIGURED -25
830 #define BGP_ERR_INSTANCE_MISMATCH -26
831 #define BGP_ERR_LOCAL_AS_ALLOWED_ONLY_FOR_EBGP -27
832 #define BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS -28
833 #define BGP_ERR_TCPSIG_FAILED -29
834 #define BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK -30
835 #define BGP_ERR_NO_IBGP_WITH_TTLHACK -31
836 #define BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS_REMOTE_AS -32
837 #define BGP_ERR_MAX -33
839 extern struct bgp_master *bm;
842 extern void bgp_terminate (void);
843 extern void bgp_reset (void);
844 extern time_t bgp_clock (void);
845 extern void bgp_zclient_reset (void);
846 extern int bgp_nexthop_set (union sockunion *, union sockunion *,
847 struct bgp_nexthop *, struct peer *);
848 extern struct bgp *bgp_get_default (void);
849 extern struct bgp *bgp_lookup (as_t, const char *);
850 extern struct bgp *bgp_lookup_by_name (const char *);
851 extern struct peer *peer_lookup (struct bgp *, union sockunion *);
852 extern struct peer_group *peer_group_lookup (struct bgp *, const char *);
853 extern struct peer_group *peer_group_get (struct bgp *, const char *);
854 extern struct peer *peer_lookup_with_open (union sockunion *, as_t, struct in_addr *,
858 * Peers are incredibly easy to memory leak
859 * due to the various ways that they are actually used
860 * Provide some functionality to debug locks and unlocks
862 extern struct peer *peer_lock_with_caller(const char *, struct peer *);
863 extern struct peer *peer_unlock_with_caller(const char *, struct peer *);
864 #define peer_unlock(A) peer_unlock_with_caller(__FUNCTION__, (A))
865 #define peer_lock(B) peer_lock_with_caller(__FUNCTION__, (B))
867 extern bgp_peer_sort_t peer_sort (struct peer *peer);
868 extern int peer_active (struct peer *);
869 extern int peer_active_nego (struct peer *);
870 extern struct peer *peer_create_accept (struct bgp *);
871 extern char *peer_uptime (time_t, char *, size_t);
872 extern int bgp_config_write (struct vty *);
873 extern void bgp_config_write_family_header (struct vty *, afi_t, safi_t, int *);
875 extern void bgp_master_init (void);
877 extern void bgp_init (void);
878 extern void bgp_route_map_init (void);
880 extern int bgp_option_set (int);
881 extern int bgp_option_unset (int);
882 extern int bgp_option_check (int);
884 extern int bgp_get (struct bgp **, as_t *, const char *);
885 extern int bgp_delete (struct bgp *);
887 extern int bgp_flag_set (struct bgp *, int);
888 extern int bgp_flag_unset (struct bgp *, int);
889 extern int bgp_flag_check (struct bgp *, int);
891 extern void bgp_lock (struct bgp *);
892 extern void bgp_unlock (struct bgp *);
894 extern void bgp_router_id_zebra_bump (void);
895 extern int bgp_router_id_static_set (struct bgp *, struct in_addr);
897 extern int bgp_cluster_id_set (struct bgp *, struct in_addr *);
898 extern int bgp_cluster_id_unset (struct bgp *);
900 extern int bgp_confederation_id_set (struct bgp *, as_t);
901 extern int bgp_confederation_id_unset (struct bgp *);
902 extern int bgp_confederation_peers_check (struct bgp *, as_t);
904 extern int bgp_confederation_peers_add (struct bgp *, as_t);
905 extern int bgp_confederation_peers_remove (struct bgp *, as_t);
907 extern int bgp_timers_set (struct bgp *, u_int32_t keepalive, u_int32_t holdtime);
908 extern int bgp_timers_unset (struct bgp *);
910 extern int bgp_default_local_preference_set (struct bgp *, u_int32_t);
911 extern int bgp_default_local_preference_unset (struct bgp *);
913 extern int peer_rsclient_active (struct peer *);
915 extern int peer_remote_as (struct bgp *, union sockunion *, as_t *, afi_t, safi_t);
916 extern int peer_group_remote_as (struct bgp *, const char *, as_t *);
917 extern int peer_ttl (struct peer *peer);
918 extern int peer_delete (struct peer *peer);
919 extern int peer_group_delete (struct peer_group *);
920 extern int peer_group_remote_as_delete (struct peer_group *);
922 extern int peer_activate (struct peer *, afi_t, safi_t);
923 extern int peer_deactivate (struct peer *, afi_t, safi_t);
924 extern int peer_afc_set (struct peer *, afi_t, safi_t, int);
926 extern int peer_group_bind (struct bgp *, union sockunion *, struct peer_group *,
927 afi_t, safi_t, as_t *);
928 extern int peer_group_unbind (struct bgp *, struct peer *, struct peer_group *,
931 extern int peer_flag_set (struct peer *, u_int32_t);
932 extern int peer_flag_unset (struct peer *, u_int32_t);
934 extern int peer_af_flag_set (struct peer *, afi_t, safi_t, u_int32_t);
935 extern int peer_af_flag_unset (struct peer *, afi_t, safi_t, u_int32_t);
936 extern int peer_af_flag_check (struct peer *, afi_t, safi_t, u_int32_t);
938 extern int peer_ebgp_multihop_set (struct peer *, int);
940 extern int peer_description_set (struct peer *, const char *);
941 extern int peer_description_unset (struct peer *);
943 extern int peer_update_source_if_set (struct peer *, const char *);
944 extern int peer_update_source_addr_set (struct peer *, const union sockunion *);
945 extern int peer_update_source_unset (struct peer *);
947 extern int peer_default_originate_set (struct peer *, afi_t, safi_t, const char *);
948 extern int peer_default_originate_unset (struct peer *, afi_t, safi_t);
950 extern int peer_port_set (struct peer *, u_int16_t);
951 extern int peer_port_unset (struct peer *);
953 extern int peer_weight_set (struct peer *, u_int16_t);
954 extern int peer_weight_unset (struct peer *);
956 extern int peer_timers_set (struct peer *, u_int32_t keepalive, u_int32_t holdtime);
957 extern int peer_timers_unset (struct peer *);
959 extern int peer_timers_connect_set (struct peer *, u_int32_t);
960 extern int peer_timers_connect_unset (struct peer *);
962 extern int peer_advertise_interval_set (struct peer *, u_int32_t);
963 extern int peer_advertise_interval_unset (struct peer *);
965 extern int peer_interface_set (struct peer *, const char *);
966 extern int peer_interface_unset (struct peer *);
968 extern int peer_distribute_set (struct peer *, afi_t, safi_t, int, const char *);
969 extern int peer_distribute_unset (struct peer *, afi_t, safi_t, int);
971 extern int peer_allowas_in_set (struct peer *, afi_t, safi_t, int);
972 extern int peer_allowas_in_unset (struct peer *, afi_t, safi_t);
974 extern int peer_local_as_set (struct peer *, as_t, int, int);
975 extern int peer_local_as_unset (struct peer *);
977 extern int peer_prefix_list_set (struct peer *, afi_t, safi_t, int, const char *);
978 extern int peer_prefix_list_unset (struct peer *, afi_t, safi_t, int);
980 extern int peer_aslist_set (struct peer *, afi_t, safi_t, int, const char *);
981 extern int peer_aslist_unset (struct peer *,afi_t, safi_t, int);
983 extern int peer_route_map_set (struct peer *, afi_t, safi_t, int, const char *);
984 extern int peer_route_map_unset (struct peer *, afi_t, safi_t, int);
986 extern int peer_unsuppress_map_set (struct peer *, afi_t, safi_t, const char *);
988 extern int peer_password_set (struct peer *, const char *);
989 extern int peer_password_unset (struct peer *);
991 extern int peer_unsuppress_map_unset (struct peer *, afi_t, safi_t);
993 extern int peer_maximum_prefix_set (struct peer *, afi_t, safi_t, u_int32_t, u_char, int, u_int16_t);
994 extern int peer_maximum_prefix_unset (struct peer *, afi_t, safi_t);
996 extern int peer_clear (struct peer *);
997 extern int peer_clear_soft (struct peer *, afi_t, safi_t, enum bgp_clear_type);
999 extern int peer_ttl_security_hops_set (struct peer *, int);
1001 extern void bgp_scan_finish (void);
1002 #endif /* _QUAGGA_BGPD_H */