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bgpd: fix SAFI for for MPLS labeled VPN-IPv6
[mirror_frr.git] / bgpd / bgpd.h
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718e3744 1/* BGP message definition header.
2 Copyright (C) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro
3
4This file is part of GNU Zebra.
5
6GNU Zebra is free software; you can redistribute it and/or modify it
7under the terms of the GNU General Public License as published by the
8Free Software Foundation; either version 2, or (at your option) any
9later version.
10
11GNU Zebra is distributed in the hope that it will be useful, but
12WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GNU Zebra; see the file COPYING. If not, write to the Free
18Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
1902111-1307, USA. */
20
00d252cb 21#ifndef _QUAGGA_BGPD_H
22#define _QUAGGA_BGPD_H
23
718e3744 24/* For union sockunion. */
25#include "sockunion.h"
26
27/* Typedef BGP specific types. */
0b2aa3a0
PJ		 28typedef u_int32_t as_t;
29typedef u_int16_t as16_t; /* we may still encounter 16 Bit asnums */
718e3744 30typedef u_int16_t bgp_size_t;
31
32/* BGP master for system wide configurations and variables. */
33struct bgp_master
34{
35 /* BGP instance list. */
36 struct list *bgp;
37
38 /* BGP thread master. */
39 struct thread_master *master;
40
200df115 41 /* work queues */
42 struct work_queue *process_main_queue;
43 struct work_queue *process_rsclient_queue;
200df115 44
0df7c91f
PJ		 45 /* Listening sockets */
46 struct list *listen_sockets;
47
718e3744 48 /* BGP port number. */
49 u_int16_t port;
50
3a02d1f7
PJ		 51 /* Listener address */
52 char *address;
53
718e3744 54 /* BGP start time. */
55 time_t start_time;
56
57 /* Various BGP global configuration. */
58 u_char options;
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};
63
64/* BGP instance structure. */
65struct bgp
66{
67 /* AS number of this BGP instance. */
68 as_t as;
69
70 /* Name of this BGP instance. */
71 char *name;
200df115 72
0088b5dc
SH		 73 /* Reference count to allow peer_delete to finish after bgp_delete */
74 int lock;
75
718e3744 76 /* Self peer. */
77 struct peer *peer_self;
78
79 /* BGP peer. */
80 struct list *peer;
81
82 /* BGP peer group. */
83 struct list *group;
84
fee0f4c6 85 /* BGP route-server-clients. */
86 struct list *rsclient;
87
718e3744 88 /* BGP configuration. */
89 u_int16_t config;
90#define BGP_CONFIG_ROUTER_ID (1 << 0)
91#define BGP_CONFIG_CLUSTER_ID (1 << 1)
92#define BGP_CONFIG_CONFEDERATION (1 << 2)
718e3744 93
94 /* BGP router identifier. */
95 struct in_addr router_id;
18a6dce6 96 struct in_addr router_id_static;
718e3744 97
98 /* BGP route reflector cluster ID. */
99 struct in_addr cluster_id;
100
101 /* BGP confederation information. */
102 as_t confed_id;
103 as_t *confed_peers;
104 int confed_peers_cnt;
105
106 /* BGP flags. */
107 u_int16_t flags;
108#define BGP_FLAG_ALWAYS_COMPARE_MED (1 << 0)
109#define BGP_FLAG_DETERMINISTIC_MED (1 << 1)
110#define BGP_FLAG_MED_MISSING_AS_WORST (1 << 2)
111#define BGP_FLAG_MED_CONFED (1 << 3)
112#define BGP_FLAG_NO_DEFAULT_IPV4 (1 << 4)
113#define BGP_FLAG_NO_CLIENT_TO_CLIENT (1 << 5)
114#define BGP_FLAG_ENFORCE_FIRST_AS (1 << 6)
115#define BGP_FLAG_COMPARE_ROUTER_ID (1 << 7)
116#define BGP_FLAG_ASPATH_IGNORE (1 << 8)
117#define BGP_FLAG_IMPORT_CHECK (1 << 9)
118#define BGP_FLAG_NO_FAST_EXT_FAILOVER (1 << 10)
848973c7 119#define BGP_FLAG_LOG_NEIGHBOR_CHANGES (1 << 11)
538621f2 120#define BGP_FLAG_GRACEFUL_RESTART (1 << 12)
6811845b 121#define BGP_FLAG_ASPATH_CONFED (1 << 13)
718e3744 122
123 /* BGP Per AF flags */
124 u_int16_t af_flags[AFI_MAX][SAFI_MAX];
125#define BGP_CONFIG_DAMPENING (1 << 0)
126
127 /* Static route configuration. */
128 struct bgp_table *route[AFI_MAX][SAFI_MAX];
129
130 /* Aggregate address configuration. */
131 struct bgp_table *aggregate[AFI_MAX][SAFI_MAX];
132
133 /* BGP routing information base. */
134 struct bgp_table *rib[AFI_MAX][SAFI_MAX];
135
136 /* BGP redistribute configuration. */
137 u_char redist[AFI_MAX][ZEBRA_ROUTE_MAX];
138
139 /* BGP redistribute metric configuration. */
140 u_char redist_metric_flag[AFI_MAX][ZEBRA_ROUTE_MAX];
141 u_int32_t redist_metric[AFI_MAX][ZEBRA_ROUTE_MAX];
142
143 /* BGP redistribute route-map. */
144 struct
145 {
146 char *name;
147 struct route_map *map;
148 } rmap[AFI_MAX][ZEBRA_ROUTE_MAX];
149
150 /* BGP distance configuration. */
151 u_char distance_ebgp;
152 u_char distance_ibgp;
153 u_char distance_local;
154
155 /* BGP default local-preference. */
156 u_int32_t default_local_pref;
157
158 /* BGP default timer. */
159 u_int32_t default_holdtime;
160 u_int32_t default_keepalive;
538621f2 161
162 /* BGP graceful restart */
93406d87 163 u_int32_t restart_time;
164 u_int32_t stalepath_time;
718e3744 165};
166
167/* BGP peer-group support. */
168struct peer_group
169{
170 /* Name of the peer-group. */
171 char *name;
172
173 /* Pointer to BGP. */
174 struct bgp *bgp;
175
176 /* Peer-group client list. */
177 struct list *peer;
178
179 /* Peer-group config */
180 struct peer *conf;
181};
182
183/* BGP Notify message format. */
184struct bgp_notify
185{
186 u_char code;
187 u_char subcode;
188 char *data;
189 bgp_size_t length;
190};
191
192/* Next hop self address. */
193struct bgp_nexthop
194{
195 struct interface *ifp;
196 struct in_addr v4;
197#ifdef HAVE_IPV6
198 struct in6_addr v6_global;
199 struct in6_addr v6_local;
200#endif /* HAVE_IPV6 */
201};
202
203/* BGP router distinguisher value. */
204#define BGP_RD_SIZE 8
205
206struct bgp_rd
207{
208 u_char val[BGP_RD_SIZE];
209};
210
fee0f4c6 211#define RMAP_IN 0
212#define RMAP_OUT 1
213#define RMAP_IMPORT 2
214#define RMAP_EXPORT 3
215#define RMAP_MAX 4
216
718e3744 217/* BGP filter structure. */
218struct bgp_filter
219{
220 /* Distribute-list. */
221 struct
222 {
223 char *name;
224 struct access_list *alist;
225 } dlist[FILTER_MAX];
226
227 /* Prefix-list. */
228 struct
229 {
230 char *name;
231 struct prefix_list *plist;
232 } plist[FILTER_MAX];
233
234 /* Filter-list. */
235 struct
236 {
237 char *name;
238 struct as_list *aslist;
239 } aslist[FILTER_MAX];
240
241 /* Route-map. */
242 struct
243 {
244 char *name;
245 struct route_map *map;
fee0f4c6 246 } map[RMAP_MAX];
718e3744 247
248 /* Unsuppress-map. */
249 struct
250 {
251 char *name;
252 struct route_map *map;
253 } usmap;
254};
255
256/* BGP neighbor structure. */
257struct peer
258{
259 /* BGP structure. */
260 struct bgp *bgp;
261
200df115 262 /* reference count, primarily to allow bgp_process'ing of route_node's
263 * to be done after a struct peer is deleted.
264 *
265 * named 'lock' for hysterical reasons within Quagga.
266 */
267 int lock;
268
718e3744 269 /* BGP peer group. */
270 struct peer_group *group;
271 u_char af_group[AFI_MAX][SAFI_MAX];
272
273 /* Peer's remote AS number. */
274 as_t as;
275
276 /* Peer's local AS number. */
277 as_t local_as;
278
279 /* Peer's Change local AS number. */
280 as_t change_local_as;
281
282 /* Remote router ID. */
283 struct in_addr remote_id;
284
285 /* Local router ID. */
286 struct in_addr local_id;
287
fee0f4c6 288 /* Peer specific RIB when configured as route-server-client. */
289 struct bgp_table *rib[AFI_MAX][SAFI_MAX];
290
718e3744 291 /* Packet receive and send buffer. */
292 struct stream *ibuf;
293 struct stream_fifo *obuf;
294 struct stream *work;
295
296 /* Status of the peer. */
297 int status;
298 int ostatus;
299
0b2aa3a0
PJ		 300 /* Peer index, used for dumping TABLE_DUMP_V2 format */
301 uint16_t table_dump_index;
302
718e3744 303 /* Peer information */
eb821189 304 int fd; /* File descriptor */
305 int ttl; /* TTL of TCP connection to the peer. */
fa411a21 306 int gtsm_hops; /* minimum hopcount to peer */
eb821189 307 char *desc; /* Description of the peer. */
308 unsigned short port; /* Destination port for peer */
309 char *host; /* Printable address of the peer. */
310 union sockunion su; /* Sockunion address of the peer. */
311 time_t uptime; /* Last Up/Down time */
312 time_t readtime; /* Last read time */
313 time_t resettime; /* Last reset time */
718e3744 314
eb821189 315 unsigned int ifindex; /* ifindex of the BGP connection. */
316 char *ifname; /* bind interface name. */
317 char *update_if;
318 union sockunion *update_source;
319 struct zlog *log;
eb821189 320
321 union sockunion *su_local; /* Sockunion of local address. */
322 union sockunion *su_remote; /* Sockunion of remote address. */
323 int shared_network; /* Is this peer shared same network. */
324 struct bgp_nexthop nexthop; /* Nexthop */
718e3744 325
326 /* Peer address family configuration. */
327 u_char afc[AFI_MAX][SAFI_MAX];
328 u_char afc_nego[AFI_MAX][SAFI_MAX];
329 u_char afc_adv[AFI_MAX][SAFI_MAX];
330 u_char afc_recv[AFI_MAX][SAFI_MAX];
331
0a486e5f 332 /* Capability flags (reset in bgp_stop) */
0b2aa3a0 333 u_int16_t cap;
718e3744 334#define PEER_CAP_REFRESH_ADV (1 << 0) /* refresh advertised */
335#define PEER_CAP_REFRESH_OLD_RCV (1 << 1) /* refresh old received */
336#define PEER_CAP_REFRESH_NEW_RCV (1 << 2) /* refresh rfc received */
337#define PEER_CAP_DYNAMIC_ADV (1 << 3) /* dynamic advertised */
338#define PEER_CAP_DYNAMIC_RCV (1 << 4) /* dynamic received */
538621f2 339#define PEER_CAP_RESTART_ADV (1 << 5) /* restart advertised */
340#define PEER_CAP_RESTART_RCV (1 << 6) /* restart received */
0b2aa3a0
PJ		 341#define PEER_CAP_AS4_ADV (1 << 7) /* as4 advertised */
342#define PEER_CAP_AS4_RCV (1 << 8) /* as4 received */
718e3744 343
0a486e5f 344 /* Capability flags (reset in bgp_stop) */
718e3744 345 u_int16_t af_cap[AFI_MAX][SAFI_MAX];
346#define PEER_CAP_ORF_PREFIX_SM_ADV (1 << 0) /* send-mode advertised */
347#define PEER_CAP_ORF_PREFIX_RM_ADV (1 << 1) /* receive-mode advertised */
348#define PEER_CAP_ORF_PREFIX_SM_RCV (1 << 2) /* send-mode received */
349#define PEER_CAP_ORF_PREFIX_RM_RCV (1 << 3) /* receive-mode received */
350#define PEER_CAP_ORF_PREFIX_SM_OLD_RCV (1 << 4) /* send-mode received */
351#define PEER_CAP_ORF_PREFIX_RM_OLD_RCV (1 << 5) /* receive-mode received */
93406d87 352#define PEER_CAP_RESTART_AF_RCV (1 << 6) /* graceful restart afi/safi received */
353#define PEER_CAP_RESTART_AF_PRESERVE_RCV (1 << 7) /* graceful restart afi/safi F-bit received */
718e3744 354
355 /* Global configuration flags. */
356 u_int32_t flags;
357#define PEER_FLAG_PASSIVE (1 << 0) /* passive mode */
358#define PEER_FLAG_SHUTDOWN (1 << 1) /* shutdown */
359#define PEER_FLAG_DONT_CAPABILITY (1 << 2) /* dont-capability */
360#define PEER_FLAG_OVERRIDE_CAPABILITY (1 << 3) /* override-capability */
361#define PEER_FLAG_STRICT_CAP_MATCH (1 << 4) /* strict-match */
c9502438 362#define PEER_FLAG_DYNAMIC_CAPABILITY (1 << 5) /* dynamic capability */
6ffd2079 363#define PEER_FLAG_DISABLE_CONNECTED_CHECK (1 << 6) /* disable-connected-check */
c9502438 364#define PEER_FLAG_LOCAL_AS_NO_PREPEND (1 << 7) /* local-as no-prepend */
718e3744 365
93406d87 366 /* NSF mode (graceful restart) */
367 u_char nsf[AFI_MAX][SAFI_MAX];
368
718e3744 369 /* Per AF configuration flags. */
370 u_int32_t af_flags[AFI_MAX][SAFI_MAX];
371#define PEER_FLAG_SEND_COMMUNITY (1 << 0) /* send-community */
372#define PEER_FLAG_SEND_EXT_COMMUNITY (1 << 1) /* send-community ext. */
373#define PEER_FLAG_NEXTHOP_SELF (1 << 2) /* next-hop-self */
374#define PEER_FLAG_REFLECTOR_CLIENT (1 << 3) /* reflector-client */
375#define PEER_FLAG_RSERVER_CLIENT (1 << 4) /* route-server-client */
376#define PEER_FLAG_SOFT_RECONFIG (1 << 5) /* soft-reconfiguration */
377#define PEER_FLAG_AS_PATH_UNCHANGED (1 << 6) /* transparent-as */
378#define PEER_FLAG_NEXTHOP_UNCHANGED (1 << 7) /* transparent-next-hop */
379#define PEER_FLAG_MED_UNCHANGED (1 << 8) /* transparent-next-hop */
380#define PEER_FLAG_DEFAULT_ORIGINATE (1 << 9) /* default-originate */
381#define PEER_FLAG_REMOVE_PRIVATE_AS (1 << 10) /* remove-private-as */
382#define PEER_FLAG_ALLOWAS_IN (1 << 11) /* set allowas-in */
383#define PEER_FLAG_ORF_PREFIX_SM (1 << 12) /* orf capability send-mode */
384#define PEER_FLAG_ORF_PREFIX_RM (1 << 13) /* orf capability receive-mode */
385#define PEER_FLAG_MAX_PREFIX (1 << 14) /* maximum prefix */
386#define PEER_FLAG_MAX_PREFIX_WARNING (1 << 15) /* maximum prefix warning-only */
0df7c91f
PJ		 387#define PEER_FLAG_NEXTHOP_LOCAL_UNCHANGED (1 << 16) /* leave link-local nexthop unchanged */
388
389 /* MD5 password */
390 char *password;
718e3744 391
392 /* default-originate route-map. */
393 struct
394 {
395 char *name;
396 struct route_map *map;
397 } default_rmap[AFI_MAX][SAFI_MAX];
398
399 /* Peer status flags. */
400 u_int16_t sflags;
401#define PEER_STATUS_ACCEPT_PEER (1 << 0) /* accept peer */
402#define PEER_STATUS_PREFIX_OVERFLOW (1 << 1) /* prefix-overflow */
403#define PEER_STATUS_CAPABILITY_OPEN (1 << 2) /* capability open send */
404#define PEER_STATUS_HAVE_ACCEPT (1 << 3) /* accept peer's parent */
405#define PEER_STATUS_GROUP (1 << 4) /* peer-group conf */
93406d87 406#define PEER_STATUS_NSF_MODE (1 << 5) /* NSF aware peer */
407#define PEER_STATUS_NSF_WAIT (1 << 6) /* wait comeback peer */
718e3744 408
0a486e5f 409 /* Peer status af flags (reset in bgp_stop) */
718e3744 410 u_int16_t af_sflags[AFI_MAX][SAFI_MAX];
411#define PEER_STATUS_ORF_PREFIX_SEND (1 << 0) /* prefix-list send peer */
412#define PEER_STATUS_ORF_WAIT_REFRESH (1 << 1) /* wait refresh received peer */
413#define PEER_STATUS_DEFAULT_ORIGINATE (1 << 2) /* default-originate peer */
e0701b79 414#define PEER_STATUS_PREFIX_THRESHOLD (1 << 3) /* exceed prefix-threshold */
415#define PEER_STATUS_PREFIX_LIMIT (1 << 4) /* exceed prefix-limit */
93406d87 416#define PEER_STATUS_EOR_SEND (1 << 5) /* end-of-rib send to peer */
417#define PEER_STATUS_EOR_RECEIVED (1 << 6) /* end-of-rib received from peer */
e0701b79 418
718e3744 419 /* Default attribute value for the peer. */
420 u_int32_t config;
421#define PEER_CONFIG_WEIGHT (1 << 0) /* Default weight. */
422#define PEER_CONFIG_TIMER (1 << 1) /* keepalive & holdtime */
423#define PEER_CONFIG_CONNECT (1 << 2) /* connect */
424#define PEER_CONFIG_ROUTEADV (1 << 3) /* route advertise */
425 u_int32_t weight;
426 u_int32_t holdtime;
427 u_int32_t keepalive;
428 u_int32_t connect;
429 u_int32_t routeadv;
430
431 /* Timer values. */
432 u_int32_t v_start;
433 u_int32_t v_connect;
434 u_int32_t v_holdtime;
435 u_int32_t v_keepalive;
436 u_int32_t v_asorig;
437 u_int32_t v_routeadv;
0a486e5f 438 u_int32_t v_pmax_restart;
93406d87 439 u_int32_t v_gr_restart;
718e3744 440
441 /* Threads. */
442 struct thread *t_read;
443 struct thread *t_write;
444 struct thread *t_start;
445 struct thread *t_connect;
446 struct thread *t_holdtime;
447 struct thread *t_keepalive;
448 struct thread *t_asorig;
449 struct thread *t_routeadv;
0a486e5f 450 struct thread *t_pmax_restart;
93406d87 451 struct thread *t_gr_restart;
452 struct thread *t_gr_stale;
64e580a7
PJ		 453
454 /* workqueues */
455 struct work_queue *clear_node_queue;
456
718e3744 457 /* Statistics field */
458 u_int32_t open_in; /* Open message input count */
459 u_int32_t open_out; /* Open message output count */
460 u_int32_t update_in; /* Update message input count */
461 u_int32_t update_out; /* Update message ouput count */
462 time_t update_time; /* Update message received time. */
463 u_int32_t keepalive_in; /* Keepalive input count */
464 u_int32_t keepalive_out; /* Keepalive output count */
465 u_int32_t notify_in; /* Notify input count */
466 u_int32_t notify_out; /* Notify output count */
467 u_int32_t refresh_in; /* Route Refresh input count */
468 u_int32_t refresh_out; /* Route Refresh output count */
469 u_int32_t dynamic_cap_in; /* Dynamic Capability input count. */
470 u_int32_t dynamic_cap_out; /* Dynamic Capability output count. */
471
472 /* BGP state count */
473 u_int32_t established; /* Established */
474 u_int32_t dropped; /* Dropped */
475
476 /* Syncronization list and time. */
477 struct bgp_synchronize *sync[AFI_MAX][SAFI_MAX];
478 time_t synctime;
479
480 /* Send prefix count. */
481 unsigned long scount[AFI_MAX][SAFI_MAX];
482
483 /* Announcement attribute hash. */
484 struct hash *hash[AFI_MAX][SAFI_MAX];
485
486 /* Notify data. */
487 struct bgp_notify notify;
488
489 /* Whole packet size to be read. */
490 unsigned long packet_size;
491
492 /* Filter structure. */
493 struct bgp_filter filter[AFI_MAX][SAFI_MAX];
494
495 /* ORF Prefix-list */
496 struct prefix_list *orf_plist[AFI_MAX][SAFI_MAX];
497
498 /* Prefix count. */
499 unsigned long pcount[AFI_MAX][SAFI_MAX];
500
501 /* Max prefix count. */
502 unsigned long pmax[AFI_MAX][SAFI_MAX];
e0701b79 503 u_char pmax_threshold[AFI_MAX][SAFI_MAX];
0a486e5f 504 u_int16_t pmax_restart[AFI_MAX][SAFI_MAX];
e0701b79 505#define MAXIMUM_PREFIX_THRESHOLD_DEFAULT 75
718e3744 506
507 /* allowas-in. */
508 char allowas_in[AFI_MAX][SAFI_MAX];
ac41b2a2 509
e0701b79 510 /* peer reset cause */
511 char last_reset;
512#define PEER_DOWN_RID_CHANGE 1 /* bgp router-id command */
513#define PEER_DOWN_REMOTE_AS_CHANGE 2 /* neighbor remote-as command */
514#define PEER_DOWN_LOCAL_AS_CHANGE 3 /* neighbor local-as command */
515#define PEER_DOWN_CLID_CHANGE 4 /* bgp cluster-id command */
516#define PEER_DOWN_CONFED_ID_CHANGE 5 /* bgp confederation identifier command */
517#define PEER_DOWN_CONFED_PEER_CHANGE 6 /* bgp confederation peer command */
518#define PEER_DOWN_RR_CLIENT_CHANGE 7 /* neighbor route-reflector-client command */
519#define PEER_DOWN_RS_CLIENT_CHANGE 8 /* neighbor route-server-client command */
520#define PEER_DOWN_UPDATE_SOURCE_CHANGE 9 /* neighbor update-source command */
521#define PEER_DOWN_AF_ACTIVATE 10 /* neighbor activate command */
522#define PEER_DOWN_USER_SHUTDOWN 11 /* neighbor shutdown command */
523#define PEER_DOWN_USER_RESET 12 /* clear ip bgp command */
524#define PEER_DOWN_NOTIFY_RECEIVED 13 /* notification received */
525#define PEER_DOWN_NOTIFY_SEND 14 /* notification send */
526#define PEER_DOWN_CLOSE_SESSION 15 /* tcp session close */
527#define PEER_DOWN_NEIGHBOR_DELETE 16 /* neghbor delete */
528#define PEER_DOWN_RMAP_BIND 17 /* neghbor peer-group command */
529#define PEER_DOWN_RMAP_UNBIND 18 /* no neighbor peer-group command */
530#define PEER_DOWN_CAPABILITY_CHANGE 19 /* neighbor capability command */
531#define PEER_DOWN_PASSIVE_CHANGE 20 /* neighbor passive command */
532#define PEER_DOWN_MULTIHOP_CHANGE 21 /* neighbor multihop command */
93406d87 533#define PEER_DOWN_NSF_CLOSE_SESSION 22 /* NSF tcp session close */
e0701b79 534
ac41b2a2 535 /* The kind of route-map Flags.*/
536 u_char rmap_type;
537#define PEER_RMAP_TYPE_IN (1 << 0) /* neighbor route-map in */
538#define PEER_RMAP_TYPE_OUT (1 << 1) /* neighbor route-map out */
539#define PEER_RMAP_TYPE_NETWORK (1 << 2) /* network route-map */
540#define PEER_RMAP_TYPE_REDISTRIBUTE (1 << 3) /* redistribute route-map */
541#define PEER_RMAP_TYPE_DEFAULT (1 << 4) /* default-originate route-map */
542#define PEER_RMAP_TYPE_NOSET (1 << 5) /* not allow to set commands */
fee0f4c6 543#define PEER_RMAP_TYPE_IMPORT (1 << 6) /* neighbor route-map import */
544#define PEER_RMAP_TYPE_EXPORT (1 << 7) /* neighbor route-map export */
718e3744 545};
546
0df7c91f
PJ		 547#define PEER_PASSWORD_MINLEN (1)
548#define PEER_PASSWORD_MAXLEN (80)
549
718e3744 550/* This structure's member directly points incoming packet data
551 stream. */
552struct bgp_nlri
553{
554 /* AFI. */
555 afi_t afi;
556
557 /* SAFI. */
558 safi_t safi;
559
560 /* Pointer to NLRI byte stream. */
561 u_char *nlri;
562
563 /* Length of whole NLRI. */
564 bgp_size_t length;
565};
566
567/* BGP versions. */
568#define BGP_VERSION_4 4
718e3744 569
570/* Default BGP port number. */
571#define BGP_PORT_DEFAULT 179
572
573/* BGP message header and packet size. */
574#define BGP_MARKER_SIZE 16
575#define BGP_HEADER_SIZE 19
576#define BGP_MAX_PACKET_SIZE 4096
577
578/* BGP minimum message size. */
579#define BGP_MSG_OPEN_MIN_SIZE (BGP_HEADER_SIZE + 10)
580#define BGP_MSG_UPDATE_MIN_SIZE (BGP_HEADER_SIZE + 4)
581#define BGP_MSG_NOTIFY_MIN_SIZE (BGP_HEADER_SIZE + 2)
582#define BGP_MSG_KEEPALIVE_MIN_SIZE (BGP_HEADER_SIZE + 0)
583#define BGP_MSG_ROUTE_REFRESH_MIN_SIZE (BGP_HEADER_SIZE + 4)
584#define BGP_MSG_CAPABILITY_MIN_SIZE (BGP_HEADER_SIZE + 3)
585
586/* BGP message types. */
587#define BGP_MSG_OPEN 1
588#define BGP_MSG_UPDATE 2
589#define BGP_MSG_NOTIFY 3
590#define BGP_MSG_KEEPALIVE 4
591#define BGP_MSG_ROUTE_REFRESH_NEW 5
592#define BGP_MSG_CAPABILITY 6
593#define BGP_MSG_ROUTE_REFRESH_OLD 128
594
595/* BGP open optional parameter. */
596#define BGP_OPEN_OPT_AUTH 1
597#define BGP_OPEN_OPT_CAP 2
598
599/* BGP4 attribute type codes. */
600#define BGP_ATTR_ORIGIN 1
601#define BGP_ATTR_AS_PATH 2
602#define BGP_ATTR_NEXT_HOP 3
603#define BGP_ATTR_MULTI_EXIT_DISC 4
604#define BGP_ATTR_LOCAL_PREF 5
605#define BGP_ATTR_ATOMIC_AGGREGATE 6
606#define BGP_ATTR_AGGREGATOR 7
607#define BGP_ATTR_COMMUNITIES 8
608#define BGP_ATTR_ORIGINATOR_ID 9
609#define BGP_ATTR_CLUSTER_LIST 10
610#define BGP_ATTR_DPA 11
611#define BGP_ATTR_ADVERTISER 12
612#define BGP_ATTR_RCID_PATH 13
613#define BGP_ATTR_MP_REACH_NLRI 14
614#define BGP_ATTR_MP_UNREACH_NLRI 15
615#define BGP_ATTR_EXT_COMMUNITIES 16
0b2aa3a0
PJ		 616#define BGP_ATTR_AS4_PATH 17
617#define BGP_ATTR_AS4_AGGREGATOR 18
41367172 618#define BGP_ATTR_AS_PATHLIMIT 21
718e3744 619
620/* BGP update origin. */
621#define BGP_ORIGIN_IGP 0
622#define BGP_ORIGIN_EGP 1
623#define BGP_ORIGIN_INCOMPLETE 2
624
625/* BGP notify message codes. */
626#define BGP_NOTIFY_HEADER_ERR 1
627#define BGP_NOTIFY_OPEN_ERR 2
628#define BGP_NOTIFY_UPDATE_ERR 3
629#define BGP_NOTIFY_HOLD_ERR 4
630#define BGP_NOTIFY_FSM_ERR 5
631#define BGP_NOTIFY_CEASE 6
632#define BGP_NOTIFY_CAPABILITY_ERR 7
633#define BGP_NOTIFY_MAX 8
634
4b4e07d2
DT		 635#define BGP_NOTIFY_SUBCODE_UNSPECIFIC 0
636
718e3744 637/* BGP_NOTIFY_HEADER_ERR sub codes. */
638#define BGP_NOTIFY_HEADER_NOT_SYNC 1
639#define BGP_NOTIFY_HEADER_BAD_MESLEN 2
640#define BGP_NOTIFY_HEADER_BAD_MESTYPE 3
641#define BGP_NOTIFY_HEADER_MAX 4
642
643/* BGP_NOTIFY_OPEN_ERR sub codes. */
644#define BGP_NOTIFY_OPEN_UNSUP_VERSION 1
645#define BGP_NOTIFY_OPEN_BAD_PEER_AS 2
646#define BGP_NOTIFY_OPEN_BAD_BGP_IDENT 3
647#define BGP_NOTIFY_OPEN_UNSUP_PARAM 4
648#define BGP_NOTIFY_OPEN_AUTH_FAILURE 5
649#define BGP_NOTIFY_OPEN_UNACEP_HOLDTIME 6
650#define BGP_NOTIFY_OPEN_UNSUP_CAPBL 7
651#define BGP_NOTIFY_OPEN_MAX 8
652
653/* BGP_NOTIFY_UPDATE_ERR sub codes. */
654#define BGP_NOTIFY_UPDATE_MAL_ATTR 1
655#define BGP_NOTIFY_UPDATE_UNREC_ATTR 2
656#define BGP_NOTIFY_UPDATE_MISS_ATTR 3
657#define BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR 4
658#define BGP_NOTIFY_UPDATE_ATTR_LENG_ERR 5
659#define BGP_NOTIFY_UPDATE_INVAL_ORIGIN 6
660#define BGP_NOTIFY_UPDATE_AS_ROUTE_LOOP 7
661#define BGP_NOTIFY_UPDATE_INVAL_NEXT_HOP 8
662#define BGP_NOTIFY_UPDATE_OPT_ATTR_ERR 9
663#define BGP_NOTIFY_UPDATE_INVAL_NETWORK 10
664#define BGP_NOTIFY_UPDATE_MAL_AS_PATH 11
665#define BGP_NOTIFY_UPDATE_MAX 12
666
4b4e07d2 667/* BGP_NOTIFY_CEASE sub codes (RFC 4486). */
718e3744 668#define BGP_NOTIFY_CEASE_MAX_PREFIX 1
669#define BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN 2
670#define BGP_NOTIFY_CEASE_PEER_UNCONFIG 3
671#define BGP_NOTIFY_CEASE_ADMIN_RESET 4
672#define BGP_NOTIFY_CEASE_CONNECT_REJECT 5
673#define BGP_NOTIFY_CEASE_CONFIG_CHANGE 6
545acafb 674#define BGP_NOTIFY_CEASE_COLLISION_RESOLUTION 7
675#define BGP_NOTIFY_CEASE_OUT_OF_RESOURCE 8
676#define BGP_NOTIFY_CEASE_MAX 9
718e3744 677
678/* BGP_NOTIFY_CAPABILITY_ERR sub codes (draft-ietf-idr-dynamic-cap-02). */
679#define BGP_NOTIFY_CAPABILITY_INVALID_ACTION 1
680#define BGP_NOTIFY_CAPABILITY_INVALID_LENGTH 2
681#define BGP_NOTIFY_CAPABILITY_MALFORMED_CODE 3
682#define BGP_NOTIFY_CAPABILITY_MAX 4
683
684/* BGP finite state machine status. */
685#define Idle 1
686#define Connect 2
687#define Active 3
688#define OpenSent 4
689#define OpenConfirm 5
690#define Established 6
ca058a30
PJ		 691#define Clearing 7
692#define Deleted 8
693#define BGP_STATUS_MAX 9
718e3744 694
695/* BGP finite state machine events. */
696#define BGP_Start 1
697#define BGP_Stop 2
698#define TCP_connection_open 3
699#define TCP_connection_closed 4
700#define TCP_connection_open_failed 5
701#define TCP_fatal_error 6
702#define ConnectRetry_timer_expired 7
703#define Hold_Timer_expired 8
704#define KeepAlive_timer_expired 9
705#define Receive_OPEN_message 10
706#define Receive_KEEPALIVE_message 11
707#define Receive_UPDATE_message 12
708#define Receive_NOTIFICATION_message 13
ca058a30
PJ		 709#define Clearing_Completed 14
710#define BGP_EVENTS_MAX 15
718e3744 711
712/* BGP timers default value. */
713#define BGP_INIT_START_TIMER 5
714#define BGP_ERROR_START_TIMER 30
715#define BGP_DEFAULT_HOLDTIME 180
716#define BGP_DEFAULT_KEEPALIVE 60
717#define BGP_DEFAULT_ASORIGINATE 15
718#define BGP_DEFAULT_EBGP_ROUTEADV 30
719#define BGP_DEFAULT_IBGP_ROUTEADV 5
720#define BGP_CLEAR_CONNECT_RETRY 20
721#define BGP_DEFAULT_CONNECT_RETRY 120
722
723/* BGP default local preference. */
724#define BGP_DEFAULT_LOCAL_PREF 100
725
538621f2 726/* BGP graceful restart */
727#define BGP_DEFAULT_RESTART_TIME 120
728#define BGP_DEFAULT_STALEPATH_TIME 360
729
718e3744 730/* SAFI which used in open capability negotiation. */
731#define BGP_SAFI_VPNV4 128
beb1ca03 732#define BGP_SAFI_VPNV6 128
718e3744 733
734/* Max TTL value. */
735#define TTL_MAX 255
736
737/* BGP uptime string length. */
738#define BGP_UPTIME_LEN 25
739
740/* Default configuration settings for bgpd. */
741#define BGP_VTY_PORT 2605
718e3744 742#define BGP_DEFAULT_CONFIG "bgpd.conf"
743
744/* Check AS path loop when we send NLRI. */
745/* #define BGP_SEND_ASPATH_CHECK */
746
747/* IBGP/EBGP identifier. We also have a CONFED peer, which is to say,
748 a peer who's AS is part of our Confederation. */
749enum
750{
751 BGP_PEER_IBGP,
752 BGP_PEER_EBGP,
753 BGP_PEER_INTERNAL,
754 BGP_PEER_CONFED
755};
756
757/* Flag for peer_clear_soft(). */
758enum bgp_clear_type
759{
760 BGP_CLEAR_SOFT_NONE,
761 BGP_CLEAR_SOFT_OUT,
762 BGP_CLEAR_SOFT_IN,
763 BGP_CLEAR_SOFT_BOTH,
fee0f4c6 764 BGP_CLEAR_SOFT_IN_ORF_PREFIX,
765 BGP_CLEAR_SOFT_RSCLIENT
718e3744 766};
767
768/* Macros. */
769#define BGP_INPUT(P) ((P)->ibuf)
770#define BGP_INPUT_PNT(P) (STREAM_PNT(BGP_INPUT(P)))
771
718e3744 772/* Count prefix size from mask length */
773#define PSIZE(a) (((a) + 7) / (8))
774
775/* BGP error codes. */
776#define BGP_SUCCESS 0
777#define BGP_ERR_INVALID_VALUE -1
778#define BGP_ERR_INVALID_FLAG -2
779#define BGP_ERR_INVALID_AS -3
780#define BGP_ERR_INVALID_BGP -4
781#define BGP_ERR_PEER_GROUP_MEMBER -5
782#define BGP_ERR_MULTIPLE_INSTANCE_USED -6
783#define BGP_ERR_PEER_GROUP_MEMBER_EXISTS -7
784#define BGP_ERR_PEER_BELONGS_TO_GROUP -8
785#define BGP_ERR_PEER_GROUP_AF_UNCONFIGURED -9
786#define BGP_ERR_PEER_GROUP_NO_REMOTE_AS -10
787#define BGP_ERR_PEER_GROUP_CANT_CHANGE -11
788#define BGP_ERR_PEER_GROUP_MISMATCH -12
789#define BGP_ERR_PEER_GROUP_PEER_TYPE_DIFFERENT -13
790#define BGP_ERR_MULTIPLE_INSTANCE_NOT_SET -14
791#define BGP_ERR_AS_MISMATCH -15
792#define BGP_ERR_PEER_INACTIVE -16
793#define BGP_ERR_INVALID_FOR_PEER_GROUP_MEMBER -17
794#define BGP_ERR_PEER_GROUP_HAS_THE_FLAG -18
795#define BGP_ERR_PEER_FLAG_CONFLICT -19
796#define BGP_ERR_PEER_GROUP_SHUTDOWN -20
797#define BGP_ERR_PEER_FILTER_CONFLICT -21
798#define BGP_ERR_NOT_INTERNAL_PEER -22
799#define BGP_ERR_REMOVE_PRIVATE_AS -23
800#define BGP_ERR_AF_UNCONFIGURED -24
801#define BGP_ERR_SOFT_RECONFIG_UNCONFIGURED -25
802#define BGP_ERR_INSTANCE_MISMATCH -26
803#define BGP_ERR_LOCAL_AS_ALLOWED_ONLY_FOR_EBGP -27
804#define BGP_ERR_CANNOT_HAVE_LOCAL_AS_SAME_AS -28
0df7c91f 805#define BGP_ERR_TCPSIG_FAILED -29
fa411a21 806#define BGP_ERR_NO_EBGP_MULTIHOP_WITH_TTLHACK -30
f5a4827d
SH		 807#define BGP_ERR_NO_IBGP_WITH_TTLHACK -31
808#define BGP_ERR_MAX -32
718e3744 809
810extern struct bgp_master *bm;
811
812extern struct thread_master *master;
813
814/* Prototypes. */
94f2b392 815extern void bgp_terminate (void);
816extern void bgp_reset (void);
65957886 817extern time_t bgp_clock (void);
94f2b392 818extern void bgp_zclient_reset (void);
819extern int bgp_nexthop_set (union sockunion *, union sockunion *,
718e3744 820 struct bgp_nexthop *, struct peer *);
94f2b392 821extern struct bgp *bgp_get_default (void);
822extern struct bgp *bgp_lookup (as_t, const char *);
823extern struct bgp *bgp_lookup_by_name (const char *);
824extern struct peer *peer_lookup (struct bgp *, union sockunion *);
825extern struct peer_group *peer_group_lookup (struct bgp *, const char *);
826extern struct peer_group *peer_group_get (struct bgp *, const char *);
827extern struct peer *peer_lookup_with_open (union sockunion *, as_t, struct in_addr *,
718e3744 828 int *);
200df115 829extern struct peer *peer_lock (struct peer *);
830extern struct peer *peer_unlock (struct peer *);
94f2b392 831extern int peer_sort (struct peer *peer);
832extern int peer_active (struct peer *);
833extern int peer_active_nego (struct peer *);
834extern struct peer *peer_create_accept (struct bgp *);
835extern char *peer_uptime (time_t, char *, size_t);
836extern int bgp_config_write (struct vty *);
837extern void bgp_config_write_family_header (struct vty *, afi_t, safi_t, int *);
718e3744 838\f
94f2b392 839extern void bgp_master_init (void);
718e3744 840
94f2b392 841extern void bgp_init (void);
842extern void bgp_route_map_init (void);
718e3744 843
94f2b392 844extern int bgp_option_set (int);
845extern int bgp_option_unset (int);
846extern int bgp_option_check (int);
718e3744 847
94f2b392 848extern int bgp_get (struct bgp **, as_t *, const char *);
849extern int bgp_delete (struct bgp *);
718e3744 850
94f2b392 851extern int bgp_flag_set (struct bgp *, int);
852extern int bgp_flag_unset (struct bgp *, int);
853extern int bgp_flag_check (struct bgp *, int);
718e3744 854
0088b5dc
SH		 855extern void bgp_lock (struct bgp *);
856extern void bgp_unlock (struct bgp *);
857
94f2b392 858extern int bgp_router_id_set (struct bgp *, struct in_addr *);
718e3744 859
94f2b392 860extern int bgp_cluster_id_set (struct bgp *, struct in_addr *);
861extern int bgp_cluster_id_unset (struct bgp *);
718e3744 862
94f2b392 863extern int bgp_confederation_id_set (struct bgp *, as_t);
864extern int bgp_confederation_id_unset (struct bgp *);
865extern int bgp_confederation_peers_check (struct bgp *, as_t);
718e3744 866
94f2b392 867extern int bgp_confederation_peers_add (struct bgp *, as_t);
868extern int bgp_confederation_peers_remove (struct bgp *, as_t);
718e3744 869
94f2b392 870extern int bgp_timers_set (struct bgp *, u_int32_t, u_int32_t);
871extern int bgp_timers_unset (struct bgp *);
718e3744 872
94f2b392 873extern int bgp_default_local_preference_set (struct bgp *, u_int32_t);
874extern int bgp_default_local_preference_unset (struct bgp *);
718e3744 875
94f2b392 876extern int peer_rsclient_active (struct peer *);
fee0f4c6 877
94f2b392 878extern int peer_remote_as (struct bgp *, union sockunion *, as_t *, afi_t, safi_t);
879extern int peer_group_remote_as (struct bgp *, const char *, as_t *);
880extern int peer_delete (struct peer *peer);
881extern int peer_group_delete (struct peer_group *);
882extern int peer_group_remote_as_delete (struct peer_group *);
718e3744 883
94f2b392 884extern int peer_activate (struct peer *, afi_t, safi_t);
885extern int peer_deactivate (struct peer *, afi_t, safi_t);
718e3744 886
94f2b392 887extern int peer_group_bind (struct bgp *, union sockunion *, struct peer_group *,
718e3744 888 afi_t, safi_t, as_t *);
94f2b392 889extern int peer_group_unbind (struct bgp *, struct peer *, struct peer_group *,
718e3744 890 afi_t, safi_t);
891
94f2b392 892extern int peer_flag_set (struct peer *, u_int32_t);
893extern int peer_flag_unset (struct peer *, u_int32_t);
718e3744 894
94f2b392 895extern int peer_af_flag_set (struct peer *, afi_t, safi_t, u_int32_t);
896extern int peer_af_flag_unset (struct peer *, afi_t, safi_t, u_int32_t);
897extern int peer_af_flag_check (struct peer *, afi_t, safi_t, u_int32_t);
718e3744 898
94f2b392 899extern int peer_ebgp_multihop_set (struct peer *, int);
900extern int peer_ebgp_multihop_unset (struct peer *);
718e3744 901
94f2b392 902extern int peer_description_set (struct peer *, char *);
903extern int peer_description_unset (struct peer *);
718e3744 904
94f2b392 905extern int peer_update_source_if_set (struct peer *, const char *);
906extern int peer_update_source_addr_set (struct peer *, union sockunion *);
907extern int peer_update_source_unset (struct peer *);
718e3744 908
94f2b392 909extern int peer_default_originate_set (struct peer *, afi_t, safi_t, const char *);
910extern int peer_default_originate_unset (struct peer *, afi_t, safi_t);
718e3744 911
94f2b392 912extern int peer_port_set (struct peer *, u_int16_t);
913extern int peer_port_unset (struct peer *);
718e3744 914
94f2b392 915extern int peer_weight_set (struct peer *, u_int16_t);
916extern int peer_weight_unset (struct peer *);
718e3744 917
94f2b392 918extern int peer_timers_set (struct peer *, u_int32_t, u_int32_t);
919extern int peer_timers_unset (struct peer *);
718e3744 920
94f2b392 921extern int peer_timers_connect_set (struct peer *, u_int32_t);
922extern int peer_timers_connect_unset (struct peer *);
718e3744 923
94f2b392 924extern int peer_advertise_interval_set (struct peer *, u_int32_t);
925extern int peer_advertise_interval_unset (struct peer *);
718e3744 926
94f2b392 927extern int peer_interface_set (struct peer *, const char *);
928extern int peer_interface_unset (struct peer *);
718e3744 929
94f2b392 930extern int peer_distribute_set (struct peer *, afi_t, safi_t, int, const char *);
931extern int peer_distribute_unset (struct peer *, afi_t, safi_t, int);
718e3744 932
94f2b392 933extern int peer_allowas_in_set (struct peer *, afi_t, safi_t, int);
934extern int peer_allowas_in_unset (struct peer *, afi_t, safi_t);
718e3744 935
94f2b392 936extern int peer_local_as_set (struct peer *, as_t, int);
937extern int peer_local_as_unset (struct peer *);
718e3744 938
94f2b392 939extern int peer_prefix_list_set (struct peer *, afi_t, safi_t, int, const char *);
940extern int peer_prefix_list_unset (struct peer *, afi_t, safi_t, int);
718e3744 941
94f2b392 942extern int peer_aslist_set (struct peer *, afi_t, safi_t, int, const char *);
943extern int peer_aslist_unset (struct peer *,afi_t, safi_t, int);
718e3744 944
94f2b392 945extern int peer_route_map_set (struct peer *, afi_t, safi_t, int, const char *);
946extern int peer_route_map_unset (struct peer *, afi_t, safi_t, int);
718e3744 947
94f2b392 948extern int peer_unsuppress_map_set (struct peer *, afi_t, safi_t, const char *);
0df7c91f
PJ		 949
950extern int peer_password_set (struct peer *, const char *);
951extern int peer_password_unset (struct peer *);
952
94f2b392 953extern int peer_unsuppress_map_unset (struct peer *, afi_t, safi_t);
718e3744 954
94f2b392 955extern int peer_maximum_prefix_set (struct peer *, afi_t, safi_t, u_int32_t, u_char, int, u_int16_t);
956extern int peer_maximum_prefix_unset (struct peer *, afi_t, safi_t);
718e3744 957
94f2b392 958extern int peer_clear (struct peer *);
959extern int peer_clear_soft (struct peer *, afi_t, safi_t, enum bgp_clear_type);
93406d87 960
fa411a21
NH		 961extern int peer_ttl_security_hops_set (struct peer *, int);
962extern int peer_ttl_security_hops_unset (struct peer *);
963
00d252cb 964#endif /* _QUAGGA_BGPD_H */
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