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718e3744 | 1 | /* BGP routing information base |
896014f4 DL |
2 | * Copyright (C) 1996, 97, 98, 2000 Kunihiro Ishiguro |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
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 | |
9 | * later version. | |
10 | * | |
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. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
718e3744 | 20 | |
00d252cb | 21 | #ifndef _QUAGGA_BGP_ROUTE_H |
22 | #define _QUAGGA_BGP_ROUTE_H | |
23 | ||
fb018d25 | 24 | #include "queue.h" |
74489921 | 25 | #include "nexthop.h" |
200df115 | 26 | #include "bgp_table.h" |
27 | ||
fb018d25 | 28 | struct bgp_nexthop_cache; |
7ef5a232 | 29 | struct bgp_route_evpn; |
fb018d25 | 30 | |
d62a17ae | 31 | enum bgp_show_type { |
32 | bgp_show_type_normal, | |
33 | bgp_show_type_regexp, | |
34 | bgp_show_type_prefix_list, | |
35 | bgp_show_type_filter_list, | |
36 | bgp_show_type_route_map, | |
37 | bgp_show_type_neighbor, | |
38 | bgp_show_type_cidr_only, | |
39 | bgp_show_type_prefix_longer, | |
40 | bgp_show_type_community_all, | |
41 | bgp_show_type_community, | |
42 | bgp_show_type_community_exact, | |
43 | bgp_show_type_community_list, | |
44 | bgp_show_type_community_list_exact, | |
45 | bgp_show_type_lcommunity_all, | |
46 | bgp_show_type_lcommunity, | |
47 | bgp_show_type_lcommunity_list, | |
48 | bgp_show_type_flap_statistics, | |
49 | bgp_show_type_flap_neighbor, | |
50 | bgp_show_type_dampend_paths, | |
dba3c1d3 PG |
51 | bgp_show_type_damp_neighbor, |
52 | bgp_show_type_detail, | |
b2f0fa55 PG |
53 | }; |
54 | ||
6392aaa6 PM |
55 | enum bgp_show_adj_route_type { |
56 | bgp_show_adj_route_advertised, | |
57 | bgp_show_adj_route_received, | |
58 | bgp_show_adj_route_filtered, | |
59 | }; | |
60 | ||
b2f0fa55 | 61 | |
d62a17ae | 62 | #define BGP_SHOW_SCODE_HEADER \ |
9df8b37c | 63 | "Status codes: s suppressed, d damped, " \ |
d62a17ae | 64 | "h history, * valid, > best, = multipath,\n" \ |
9df8b37c PZ |
65 | " i internal, r RIB-failure, S Stale, R Removed\n" |
66 | #define BGP_SHOW_OCODE_HEADER "Origin codes: i - IGP, e - EGP, ? - incomplete\n\n" | |
67 | #define BGP_SHOW_NCODE_HEADER "Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self\n" | |
181039f3 | 68 | #define BGP_SHOW_HEADER " Network Next Hop Metric LocPrf Weight Path\n" |
3f9c7369 | 69 | |
b57ba6d2 MK |
70 | /* Maximum number of labels we can process or send with a prefix. We |
71 | * really do only 1 for MPLS (BGP-LU) but we can do 2 for EVPN-VxLAN. | |
72 | */ | |
73 | #define BGP_MAX_LABELS 2 | |
74 | ||
d62a17ae | 75 | /* Ancillary information to struct bgp_info, |
fb982c25 PJ |
76 | * used for uncommonly used data (aggregation, MPLS, etc.) |
77 | * and lazily allocated to save memory. | |
78 | */ | |
d62a17ae | 79 | struct bgp_info_extra { |
80 | /* Pointer to dampening structure. */ | |
81 | struct bgp_damp_info *damp_info; | |
fb982c25 | 82 | |
d62a17ae | 83 | /* This route is suppressed with aggregation. */ |
84 | int suppress; | |
fb982c25 | 85 | |
d62a17ae | 86 | /* Nexthop reachability check. */ |
d7c0a89a | 87 | uint32_t igpmetric; |
fb982c25 | 88 | |
b57ba6d2 MK |
89 | /* MPLS label(s) - VNI(s) for EVPN-VxLAN */ |
90 | mpls_label_t label[BGP_MAX_LABELS]; | |
d7c0a89a | 91 | uint32_t num_labels; |
342dd0c6 | 92 | |
65efcfce | 93 | #if ENABLE_BGP_VNC |
d62a17ae | 94 | union { |
95 | ||
96 | struct { | |
97 | void *rfapi_handle; /* export: NVE advertising this | |
98 | route */ | |
99 | struct list *local_nexthops; /* optional, for static | |
100 | routes */ | |
101 | } export; | |
102 | ||
103 | struct { | |
104 | struct thread *timer; | |
105 | void *hme; /* encap monitor, if this is a VPN route */ | |
106 | struct prefix_rd | |
107 | rd; /* import: route's route-distinguisher */ | |
d7c0a89a | 108 | uint8_t un_family; /* family of cached un address, 0 if |
d62a17ae | 109 | unset */ |
110 | union { | |
111 | struct in_addr addr4; | |
112 | struct in6_addr addr6; | |
113 | } un; /* cached un address */ | |
114 | time_t create_time; | |
996c9314 LB |
115 | struct prefix aux_prefix; /* AFI_L2VPN: the IP addr, |
116 | if family set */ | |
d62a17ae | 117 | } import; |
118 | ||
119 | } vnc; | |
65efcfce | 120 | #endif |
128ea8ab | 121 | |
d62a17ae | 122 | /* For imported routes into a VNI (or VRF), this points to the parent. |
123 | */ | |
124 | void *parent; | |
ddb5b488 PZ |
125 | |
126 | /* | |
127 | * Some tunnelish parameters follow. Maybe consolidate into an | |
128 | * internal tunnel structure? | |
129 | */ | |
130 | ||
131 | /* | |
132 | * Original bgp instance for imported routes. Needed for: | |
133 | * 1. Find all routes from a specific vrf for deletion | |
134 | * 2. vrf context of original nexthop | |
135 | * | |
136 | * Store pointer to bgp instance rather than bgp->vrf_id because | |
137 | * bgp->vrf_id is not always valid (or may change?). | |
138 | * | |
139 | * Set to NULL if route is not imported from another bgp instance. | |
140 | */ | |
141 | struct bgp *bgp_orig; | |
142 | ||
143 | /* | |
144 | * Nexthop in context of original bgp instance. Needed | |
145 | * for label resolution of core mpls routes exported to a vrf. | |
146 | * Set nexthop_orig.family to 0 if not valid. | |
147 | */ | |
148 | struct prefix nexthop_orig; | |
b588b642 | 149 | /* presence of FS pbr entry */ |
c26edcda | 150 | struct list *bgp_fs_pbr; |
fb982c25 PJ |
151 | }; |
152 | ||
d62a17ae | 153 | struct bgp_info { |
154 | /* For linked list. */ | |
155 | struct bgp_info *next; | |
156 | struct bgp_info *prev; | |
157 | ||
158 | /* For nexthop linked list */ | |
159 | LIST_ENTRY(bgp_info) nh_thread; | |
160 | ||
161 | /* Back pointer to the prefix node */ | |
162 | struct bgp_node *net; | |
163 | ||
164 | /* Back pointer to the nexthop structure */ | |
165 | struct bgp_nexthop_cache *nexthop; | |
fb018d25 | 166 | |
d62a17ae | 167 | /* Peer structure. */ |
168 | struct peer *peer; | |
fb018d25 | 169 | |
d62a17ae | 170 | /* Attribute structure. */ |
171 | struct attr *attr; | |
fb018d25 | 172 | |
d62a17ae | 173 | /* Extra information */ |
174 | struct bgp_info_extra *extra; | |
fb018d25 | 175 | |
cbdfbaa5 | 176 | |
d62a17ae | 177 | /* Multipath information */ |
178 | struct bgp_info_mpath *mpath; | |
de8d5dff | 179 | |
d62a17ae | 180 | /* Uptime. */ |
181 | time_t uptime; | |
de8d5dff | 182 | |
d62a17ae | 183 | /* reference count */ |
184 | int lock; | |
cbdfbaa5 | 185 | |
d62a17ae | 186 | /* BGP information status. */ |
d7c0a89a | 187 | uint16_t flags; |
1defdda8 DS |
188 | #define BGP_PATH_IGP_CHANGED (1 << 0) |
189 | #define BGP_PATH_DAMPED (1 << 1) | |
190 | #define BGP_PATH_HISTORY (1 << 2) | |
191 | #define BGP_PATH_SELECTED (1 << 3) | |
192 | #define BGP_PATH_VALID (1 << 4) | |
193 | #define BGP_PATH_ATTR_CHANGED (1 << 5) | |
194 | #define BGP_PATH_DMED_CHECK (1 << 6) | |
195 | #define BGP_PATH_DMED_SELECTED (1 << 7) | |
196 | #define BGP_PATH_STALE (1 << 8) | |
197 | #define BGP_PATH_REMOVED (1 << 9) | |
198 | #define BGP_PATH_COUNTED (1 << 10) | |
199 | #define BGP_PATH_MULTIPATH (1 << 11) | |
200 | #define BGP_PATH_MULTIPATH_CHG (1 << 12) | |
201 | #define BGP_PATH_RIB_ATTR_CHG (1 << 13) | |
202 | #define BGP_PATH_ANNC_NH_SELF (1 << 14) | |
718e3744 | 203 | |
d62a17ae | 204 | /* BGP route type. This can be static, RIP, OSPF, BGP etc. */ |
d7c0a89a | 205 | uint8_t type; |
cbdfbaa5 | 206 | |
d62a17ae | 207 | /* When above type is BGP. This sub type specify BGP sub type |
208 | information. */ | |
d7c0a89a | 209 | uint8_t sub_type; |
cbdfbaa5 PJ |
210 | #define BGP_ROUTE_NORMAL 0 |
211 | #define BGP_ROUTE_STATIC 1 | |
212 | #define BGP_ROUTE_AGGREGATE 2 | |
213 | #define BGP_ROUTE_REDISTRIBUTE 3 | |
65efcfce LB |
214 | #ifdef ENABLE_BGP_VNC |
215 | # define BGP_ROUTE_RFP 4 | |
216 | #endif | |
ddb5b488 | 217 | #define BGP_ROUTE_IMPORTED 5 /* from another bgp instance/safi */ |
7c8ff89e | 218 | |
d7c0a89a | 219 | unsigned short instance; |
a82478b9 | 220 | |
d62a17ae | 221 | /* Addpath identifiers */ |
d7c0a89a QY |
222 | uint32_t addpath_rx_id; |
223 | uint32_t addpath_tx_id; | |
718e3744 | 224 | }; |
225 | ||
128ea8ab | 226 | /* Structure used in BGP path selection */ |
d62a17ae | 227 | struct bgp_info_pair { |
228 | struct bgp_info *old; | |
229 | struct bgp_info *new; | |
128ea8ab | 230 | }; |
231 | ||
718e3744 | 232 | /* BGP static route configuration. */ |
d62a17ae | 233 | struct bgp_static { |
234 | /* Backdoor configuration. */ | |
235 | int backdoor; | |
718e3744 | 236 | |
d62a17ae | 237 | /* Label index configuration; applies to LU prefixes. */ |
d7c0a89a | 238 | uint32_t label_index; |
1b6d5c7e VV |
239 | #define BGP_INVALID_LABEL_INDEX 0xFFFFFFFF |
240 | ||
d62a17ae | 241 | /* Import check status. */ |
d7c0a89a | 242 | uint8_t valid; |
718e3744 | 243 | |
d62a17ae | 244 | /* IGP metric. */ |
d7c0a89a | 245 | uint32_t igpmetric; |
718e3744 | 246 | |
d62a17ae | 247 | /* IGP nexthop. */ |
248 | struct in_addr igpnexthop; | |
718e3744 | 249 | |
d62a17ae | 250 | /* Atomic set reference count (ie cause of pathlimit) */ |
d7c0a89a | 251 | uint32_t atomic; |
718e3744 | 252 | |
d62a17ae | 253 | /* BGP redistribute route-map. */ |
254 | struct { | |
255 | char *name; | |
256 | struct route_map *map; | |
257 | } rmap; | |
137446f9 | 258 | |
d62a17ae | 259 | /* Route Distinguisher */ |
260 | struct prefix_rd prd; | |
684a7227 | 261 | |
d62a17ae | 262 | /* MPLS label. */ |
263 | mpls_label_t label; | |
264 | ||
265 | /* EVPN */ | |
266 | struct eth_segment_id *eth_s_id; | |
267 | struct ethaddr *router_mac; | |
268 | uint16_t encap_tunneltype; | |
269 | struct prefix gatewayIp; | |
718e3744 | 270 | }; |
271 | ||
d62a17ae | 272 | #define BGP_NEXTHOP_AFI_FROM_NHLEN(nhlen) \ |
273 | ((nhlen) < IPV4_MAX_BYTELEN \ | |
274 | ? 0 \ | |
275 | : ((nhlen) < IPV6_MAX_BYTELEN ? AFI_IP : AFI_IP6)) | |
fe3ca08f | 276 | |
d62a17ae | 277 | #define BGP_ATTR_NEXTHOP_AFI_IP6(attr) \ |
278 | (!CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP)) \ | |
279 | && ((attr)->mp_nexthop_len == 16 || (attr)->mp_nexthop_len == 32)) | |
1defdda8 DS |
280 | #define BGP_PATH_COUNTABLE(BI) \ |
281 | (!CHECK_FLAG((BI)->flags, BGP_PATH_HISTORY) \ | |
282 | && !CHECK_FLAG((BI)->flags, BGP_PATH_REMOVED)) | |
80e0ad24 | 283 | |
1a392d46 | 284 | /* Flags which indicate a route is unuseable in some form */ |
1defdda8 DS |
285 | #define BGP_PATH_UNUSEABLE \ |
286 | (BGP_PATH_HISTORY | BGP_PATH_DAMPED | BGP_PATH_REMOVED) | |
1a392d46 PJ |
287 | /* Macro to check BGP information is alive or not. Sadly, |
288 | * not equivalent to just checking previous, because of the | |
289 | * sense of the additional VALID flag. | |
290 | */ | |
1defdda8 DS |
291 | #define BGP_PATH_HOLDDOWN(BI) \ |
292 | (!CHECK_FLAG((BI)->flags, BGP_PATH_VALID) \ | |
293 | || CHECK_FLAG((BI)->flags, BGP_PATH_UNUSEABLE)) | |
1a392d46 | 294 | |
718e3744 | 295 | #define DISTRIBUTE_IN_NAME(F) ((F)->dlist[FILTER_IN].name) |
296 | #define DISTRIBUTE_IN(F) ((F)->dlist[FILTER_IN].alist) | |
297 | #define DISTRIBUTE_OUT_NAME(F) ((F)->dlist[FILTER_OUT].name) | |
298 | #define DISTRIBUTE_OUT(F) ((F)->dlist[FILTER_OUT].alist) | |
299 | ||
300 | #define PREFIX_LIST_IN_NAME(F) ((F)->plist[FILTER_IN].name) | |
301 | #define PREFIX_LIST_IN(F) ((F)->plist[FILTER_IN].plist) | |
302 | #define PREFIX_LIST_OUT_NAME(F) ((F)->plist[FILTER_OUT].name) | |
303 | #define PREFIX_LIST_OUT(F) ((F)->plist[FILTER_OUT].plist) | |
304 | ||
305 | #define FILTER_LIST_IN_NAME(F) ((F)->aslist[FILTER_IN].name) | |
306 | #define FILTER_LIST_IN(F) ((F)->aslist[FILTER_IN].aslist) | |
307 | #define FILTER_LIST_OUT_NAME(F) ((F)->aslist[FILTER_OUT].name) | |
308 | #define FILTER_LIST_OUT(F) ((F)->aslist[FILTER_OUT].aslist) | |
309 | ||
fee0f4c6 | 310 | #define ROUTE_MAP_IN_NAME(F) ((F)->map[RMAP_IN].name) |
311 | #define ROUTE_MAP_IN(F) ((F)->map[RMAP_IN].map) | |
312 | #define ROUTE_MAP_OUT_NAME(F) ((F)->map[RMAP_OUT].name) | |
313 | #define ROUTE_MAP_OUT(F) ((F)->map[RMAP_OUT].map) | |
314 | ||
718e3744 | 315 | #define UNSUPPRESS_MAP_NAME(F) ((F)->usmap.name) |
316 | #define UNSUPPRESS_MAP(F) ((F)->usmap.map) | |
317 | ||
2ec1e66f DW |
318 | /* path PREFIX (addpath rxid NUMBER) */ |
319 | #define PATH_ADDPATH_STR_BUFFER PREFIX2STR_BUFFER + 32 | |
320 | ||
360660c6 DS |
321 | enum bgp_path_type { |
322 | BGP_PATH_SHOW_ALL, | |
323 | BGP_PATH_SHOW_BESTPATH, | |
324 | BGP_PATH_SHOW_MULTIPATH | |
325 | }; | |
4092b06c | 326 | |
d62a17ae | 327 | static inline void bgp_bump_version(struct bgp_node *node) |
3f9c7369 | 328 | { |
d62a17ae | 329 | node->version = bgp_table_next_version(bgp_node_table(node)); |
3f9c7369 DS |
330 | } |
331 | ||
d62a17ae | 332 | static inline int bgp_fibupd_safi(safi_t safi) |
cd1964ff | 333 | { |
d62a17ae | 334 | if (safi == SAFI_UNICAST || safi == SAFI_MULTICAST |
529efa23 PG |
335 | || safi == SAFI_LABELED_UNICAST |
336 | || safi == SAFI_FLOWSPEC) | |
d62a17ae | 337 | return 1; |
338 | return 0; | |
cd1964ff DS |
339 | } |
340 | ||
718e3744 | 341 | /* Prototypes. */ |
db0e1937 MK |
342 | extern void bgp_rib_remove(struct bgp_node *rn, struct bgp_info *ri, |
343 | struct peer *peer, afi_t afi, safi_t safi); | |
d62a17ae | 344 | extern void bgp_process_queue_init(void); |
345 | extern void bgp_route_init(void); | |
346 | extern void bgp_route_finish(void); | |
347 | extern void bgp_cleanup_routes(struct bgp *); | |
348 | extern void bgp_announce_route(struct peer *, afi_t, safi_t); | |
3f9c7369 | 349 | extern void bgp_stop_announce_route_timer(struct peer_af *paf); |
d62a17ae | 350 | extern void bgp_announce_route_all(struct peer *); |
351 | extern void bgp_default_originate(struct peer *, afi_t, safi_t, int); | |
352 | extern void bgp_soft_reconfig_in(struct peer *, afi_t, safi_t); | |
353 | extern void bgp_clear_route(struct peer *, afi_t, safi_t); | |
354 | extern void bgp_clear_route_all(struct peer *); | |
355 | extern void bgp_clear_adj_in(struct peer *, afi_t, safi_t); | |
356 | extern void bgp_clear_stale_route(struct peer *, afi_t, safi_t); | |
357 | ||
358 | extern struct bgp_node *bgp_afi_node_get(struct bgp_table *table, afi_t afi, | |
359 | safi_t safi, struct prefix *p, | |
360 | struct prefix_rd *prd); | |
361 | extern struct bgp_info *bgp_info_lock(struct bgp_info *); | |
362 | extern struct bgp_info *bgp_info_unlock(struct bgp_info *); | |
363 | extern void bgp_info_add(struct bgp_node *rn, struct bgp_info *ri); | |
364 | extern void bgp_info_reap(struct bgp_node *rn, struct bgp_info *ri); | |
365 | extern void bgp_info_delete(struct bgp_node *rn, struct bgp_info *ri); | |
366 | extern struct bgp_info_extra *bgp_info_extra_get(struct bgp_info *); | |
d7c0a89a QY |
367 | extern void bgp_info_set_flag(struct bgp_node *, struct bgp_info *, uint32_t); |
368 | extern void bgp_info_unset_flag(struct bgp_node *, struct bgp_info *, uint32_t); | |
d62a17ae | 369 | extern void bgp_info_path_with_addpath_rx_str(struct bgp_info *ri, char *buf); |
370 | ||
371 | extern int bgp_nlri_parse_ip(struct peer *, struct attr *, struct bgp_nlri *); | |
372 | ||
373 | extern int bgp_maximum_prefix_overflow(struct peer *, afi_t, safi_t, int); | |
374 | ||
9de1f7ff DS |
375 | extern void bgp_redistribute_add(struct bgp *bgp, struct prefix *p, |
376 | const union g_addr *nexthop, ifindex_t ifindex, | |
377 | enum nexthop_types_t nhtype, uint32_t metric, | |
d7c0a89a | 378 | uint8_t type, unsigned short instance, |
9de1f7ff | 379 | route_tag_t tag); |
d7c0a89a QY |
380 | extern void bgp_redistribute_delete(struct bgp *, struct prefix *, uint8_t, |
381 | unsigned short); | |
382 | extern void bgp_redistribute_withdraw(struct bgp *, afi_t, int, unsigned short); | |
d62a17ae | 383 | |
384 | extern void bgp_static_add(struct bgp *); | |
385 | extern void bgp_static_delete(struct bgp *); | |
386 | extern void bgp_static_redo_import_check(struct bgp *); | |
387 | extern void bgp_purge_static_redist_routes(struct bgp *bgp); | |
388 | extern void bgp_static_update(struct bgp *, struct prefix *, | |
389 | struct bgp_static *, afi_t, safi_t); | |
390 | extern void bgp_static_withdraw(struct bgp *, struct prefix *, afi_t, safi_t); | |
391 | ||
392 | extern int bgp_static_set_safi(afi_t afi, safi_t safi, struct vty *vty, | |
393 | const char *, const char *, const char *, | |
394 | const char *, int, const char *, const char *, | |
395 | const char *, const char *); | |
396 | ||
397 | extern int bgp_static_unset_safi(afi_t afi, safi_t safi, struct vty *, | |
398 | const char *, const char *, const char *, int, | |
399 | const char *, const char *, const char *); | |
718e3744 | 400 | |
94f2b392 | 401 | /* this is primarily for MPLS-VPN */ |
d7c0a89a | 402 | extern int bgp_update(struct peer *, struct prefix *, uint32_t, struct attr *, |
d62a17ae | 403 | afi_t, safi_t, int, int, struct prefix_rd *, |
d7c0a89a QY |
404 | mpls_label_t *, uint32_t, int, struct bgp_route_evpn *); |
405 | extern int bgp_withdraw(struct peer *, struct prefix *, uint32_t, struct attr *, | |
406 | afi_t, safi_t, int, int, struct prefix_rd *, | |
407 | mpls_label_t *, uint32_t, struct bgp_route_evpn *); | |
718e3744 | 408 | |
94f2b392 | 409 | /* for bgp_nexthop and bgp_damp */ |
d62a17ae | 410 | extern void bgp_process(struct bgp *, struct bgp_node *, afi_t, safi_t); |
cb1faec9 DS |
411 | |
412 | /* | |
413 | * Add an end-of-initial-update marker to the process queue. This is just a | |
414 | * queue element with NULL bgp node. | |
415 | */ | |
d62a17ae | 416 | extern void bgp_add_eoiu_mark(struct bgp *); |
60466a63 QY |
417 | extern void bgp_config_write_table_map(struct vty *, struct bgp *, afi_t, |
418 | safi_t); | |
2b791107 | 419 | extern void bgp_config_write_network(struct vty *, struct bgp *, afi_t, safi_t); |
60466a63 QY |
420 | extern void bgp_config_write_distance(struct vty *, struct bgp *, afi_t, |
421 | safi_t); | |
d62a17ae | 422 | |
423 | extern void bgp_aggregate_increment(struct bgp *, struct prefix *, | |
424 | struct bgp_info *, afi_t, safi_t); | |
425 | extern void bgp_aggregate_decrement(struct bgp *, struct prefix *, | |
426 | struct bgp_info *, afi_t, safi_t); | |
427 | ||
d7c0a89a QY |
428 | extern uint8_t bgp_distance_apply(struct prefix *, struct bgp_info *, afi_t, |
429 | safi_t, struct bgp *); | |
d62a17ae | 430 | |
431 | extern afi_t bgp_node_afi(struct vty *); | |
432 | extern safi_t bgp_node_safi(struct vty *); | |
433 | ||
d7c0a89a QY |
434 | extern struct bgp_info *info_make(int type, int sub_type, |
435 | unsigned short instance, struct peer *peer, | |
436 | struct attr *attr, struct bgp_node *rn); | |
d62a17ae | 437 | |
438 | extern void route_vty_out(struct vty *, struct prefix *, struct bgp_info *, int, | |
439 | safi_t, json_object *); | |
440 | extern void route_vty_out_tag(struct vty *, struct prefix *, struct bgp_info *, | |
441 | int, safi_t, json_object *); | |
94d4c685 DS |
442 | extern void route_vty_out_tmp(struct vty *vty, struct prefix *p, |
443 | struct attr *attr, safi_t safi, bool use_json, | |
444 | json_object *json_ar); | |
d62a17ae | 445 | extern void route_vty_out_overlay(struct vty *vty, struct prefix *p, |
446 | struct bgp_info *binfo, int display, | |
447 | json_object *json); | |
448 | ||
449 | extern int subgroup_process_announce_selected(struct update_subgroup *subgrp, | |
450 | struct bgp_info *selected, | |
451 | struct bgp_node *rn, | |
d7c0a89a | 452 | uint32_t addpath_tx_id); |
3f9c7369 | 453 | |
cd1964ff | 454 | extern int subgroup_announce_check(struct bgp_node *rn, struct bgp_info *ri, |
3f9c7369 DS |
455 | struct update_subgroup *subgrp, |
456 | struct prefix *p, struct attr *attr); | |
457 | ||
d62a17ae | 458 | extern void bgp_peer_clear_node_queue_drain_immediate(struct peer *peer); |
459 | extern void bgp_process_queues_drain_immediate(void); | |
bb86c601 | 460 | |
65efcfce | 461 | /* for encap/vpn */ |
d62a17ae | 462 | extern struct bgp_node *bgp_afi_node_lookup(struct bgp_table *table, afi_t afi, |
463 | safi_t safi, struct prefix *p, | |
464 | struct prefix_rd *prd); | |
465 | extern struct bgp_info *bgp_info_new(void); | |
466 | extern void bgp_info_restore(struct bgp_node *, struct bgp_info *); | |
467 | ||
468 | extern int bgp_info_cmp_compatible(struct bgp *, struct bgp_info *, | |
469 | struct bgp_info *, char *pfx_buf, afi_t afi, | |
470 | safi_t safi); | |
7f323236 | 471 | extern void bgp_attr_add_gshut_community(struct attr *attr); |
d62a17ae | 472 | |
473 | extern void bgp_best_selection(struct bgp *bgp, struct bgp_node *rn, | |
474 | struct bgp_maxpaths_cfg *mpath_cfg, | |
475 | struct bgp_info_pair *result, afi_t afi, | |
476 | safi_t safi); | |
477 | extern void bgp_zebra_clear_route_change_flags(struct bgp_node *rn); | |
478 | extern int bgp_zebra_has_route_changed(struct bgp_node *rn, | |
479 | struct bgp_info *selected); | |
480 | ||
481 | extern void route_vty_out_detail_header(struct vty *vty, struct bgp *bgp, | |
482 | struct bgp_node *rn, | |
483 | struct prefix_rd *prd, afi_t afi, | |
484 | safi_t safi, json_object *json); | |
485 | extern void route_vty_out_detail(struct vty *vty, struct bgp *bgp, | |
486 | struct prefix *p, struct bgp_info *binfo, | |
487 | afi_t afi, safi_t safi, | |
488 | json_object *json_paths); | |
1ae44dfc LB |
489 | extern int bgp_show_table_rd(struct vty *vty, struct bgp *bgp, safi_t safi, |
490 | struct bgp_table *table, struct prefix_rd *prd, | |
491 | enum bgp_show_type type, void *output_arg, | |
9f049418 | 492 | bool use_json); |
00d252cb | 493 | #endif /* _QUAGGA_BGP_ROUTE_H */ |