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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 | ||
4a11bf2c DL |
24 | #include <stdbool.h> |
25 | ||
26 | #include "hook.h" | |
fb018d25 | 27 | #include "queue.h" |
74489921 | 28 | #include "nexthop.h" |
200df115 | 29 | #include "bgp_table.h" |
dcc68b5e | 30 | #include "bgp_addpath_types.h" |
4933eaaf | 31 | #include "bgp_rpki.h" |
200df115 | 32 | |
fb018d25 | 33 | struct bgp_nexthop_cache; |
7ef5a232 | 34 | struct bgp_route_evpn; |
fb018d25 | 35 | |
d62a17ae | 36 | enum bgp_show_type { |
37 | bgp_show_type_normal, | |
38 | bgp_show_type_regexp, | |
39 | bgp_show_type_prefix_list, | |
ed126382 | 40 | bgp_show_type_access_list, |
d62a17ae | 41 | bgp_show_type_filter_list, |
42 | bgp_show_type_route_map, | |
43 | bgp_show_type_neighbor, | |
44 | bgp_show_type_cidr_only, | |
45 | bgp_show_type_prefix_longer, | |
a70a28a5 | 46 | bgp_show_type_community_alias, |
d62a17ae | 47 | bgp_show_type_community_all, |
48 | bgp_show_type_community, | |
49 | bgp_show_type_community_exact, | |
50 | bgp_show_type_community_list, | |
51 | bgp_show_type_community_list_exact, | |
52 | bgp_show_type_lcommunity_all, | |
53 | bgp_show_type_lcommunity, | |
36a206db | 54 | bgp_show_type_lcommunity_exact, |
d62a17ae | 55 | bgp_show_type_lcommunity_list, |
36a206db | 56 | bgp_show_type_lcommunity_list_exact, |
d62a17ae | 57 | bgp_show_type_flap_statistics, |
58 | bgp_show_type_flap_neighbor, | |
59 | bgp_show_type_dampend_paths, | |
dba3c1d3 PG |
60 | bgp_show_type_damp_neighbor, |
61 | bgp_show_type_detail, | |
1e2ce4f1 | 62 | bgp_show_type_rpki, |
7d3cae70 | 63 | bgp_show_type_prefix_version, |
b2f0fa55 PG |
64 | }; |
65 | ||
6392aaa6 PM |
66 | enum bgp_show_adj_route_type { |
67 | bgp_show_adj_route_advertised, | |
68 | bgp_show_adj_route_received, | |
69 | bgp_show_adj_route_filtered, | |
f20ce998 | 70 | bgp_show_adj_route_bestpath, |
6392aaa6 PM |
71 | }; |
72 | ||
b2f0fa55 | 73 | |
d62a17ae | 74 | #define BGP_SHOW_SCODE_HEADER \ |
9df8b37c | 75 | "Status codes: s suppressed, d damped, " \ |
d62a17ae | 76 | "h history, * valid, > best, = multipath,\n" \ |
9df8b37c | 77 | " i internal, r RIB-failure, S Stale, R Removed\n" |
82c298be DA |
78 | #define BGP_SHOW_OCODE_HEADER \ |
79 | "Origin codes: i - IGP, e - EGP, ? - incomplete\n" | |
9df8b37c | 80 | #define BGP_SHOW_NCODE_HEADER "Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self\n" |
82c298be DA |
81 | #define BGP_SHOW_RPKI_HEADER \ |
82 | "RPKI validation codes: V valid, I invalid, N Not found\n\n" | |
eaeba5e8 | 83 | #define BGP_SHOW_HEADER " Network Next Hop Metric LocPrf Weight Path\n" |
ae248832 | 84 | #define BGP_SHOW_HEADER_WIDE " Network Next Hop Metric LocPrf Weight Path\n" |
3f9c7369 | 85 | |
b57ba6d2 MK |
86 | /* Maximum number of labels we can process or send with a prefix. We |
87 | * really do only 1 for MPLS (BGP-LU) but we can do 2 for EVPN-VxLAN. | |
88 | */ | |
89 | #define BGP_MAX_LABELS 2 | |
90 | ||
e496b420 HS |
91 | /* Maximum number of sids we can process or send with a prefix. */ |
92 | #define BGP_MAX_SIDS 6 | |
93 | ||
1d7260a1 DA |
94 | /* Maximum buffer length for storing BGP best path selection reason */ |
95 | #define BGP_MAX_SELECTION_REASON_STR_BUF 32 | |
96 | ||
513386b5 DA |
97 | /* Error codes for handling NLRI */ |
98 | #define BGP_NLRI_PARSE_OK 0 | |
99 | #define BGP_NLRI_PARSE_ERROR_PREFIX_OVERFLOW -1 | |
100 | #define BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW -2 | |
101 | #define BGP_NLRI_PARSE_ERROR_PREFIX_LENGTH -3 | |
102 | #define BGP_NLRI_PARSE_ERROR_PACKET_LENGTH -4 | |
103 | #define BGP_NLRI_PARSE_ERROR_LABEL_LENGTH -5 | |
104 | #define BGP_NLRI_PARSE_ERROR_EVPN_MISSING_TYPE -6 | |
105 | #define BGP_NLRI_PARSE_ERROR_EVPN_TYPE2_SIZE -7 | |
106 | #define BGP_NLRI_PARSE_ERROR_EVPN_TYPE3_SIZE -8 | |
107 | #define BGP_NLRI_PARSE_ERROR_EVPN_TYPE4_SIZE -9 | |
108 | #define BGP_NLRI_PARSE_ERROR_EVPN_TYPE5_SIZE -10 | |
109 | #define BGP_NLRI_PARSE_ERROR_FLOWSPEC_IPV6_NOT_SUPPORTED -11 | |
110 | #define BGP_NLRI_PARSE_ERROR_FLOWSPEC_NLRI_SIZELIMIT -12 | |
111 | #define BGP_NLRI_PARSE_ERROR_FLOWSPEC_BAD_FORMAT -13 | |
112 | #define BGP_NLRI_PARSE_ERROR_ADDRESS_FAMILY -14 | |
c44ab6f1 | 113 | #define BGP_NLRI_PARSE_ERROR_EVPN_TYPE1_SIZE -15 |
513386b5 DA |
114 | #define BGP_NLRI_PARSE_ERROR -32 |
115 | ||
60605cbc AK |
116 | /* 1. local MAC-IP/type-2 paths in the VNI routing table are linked to the |
117 | * destination ES | |
118 | * 2. remote MAC-IP paths in the global routing table are linked to the | |
26c03e43 AK |
119 | * destination ES |
120 | */ | |
121 | struct bgp_path_es_info { | |
122 | /* back pointer to the route */ | |
123 | struct bgp_path_info *pi; | |
124 | vni_t vni; | |
125 | /* destination ES */ | |
126 | struct bgp_evpn_es *es; | |
127 | /* memory used for linking the path to the destination ES */ | |
128 | struct listnode es_listnode; | |
74efb822 AK |
129 | uint8_t flags; |
130 | /* Path is linked to the VNI list */ | |
131 | #define BGP_EVPN_PATH_ES_INFO_VNI_LIST (1 << 0) | |
132 | /* Path is linked to the global list */ | |
133 | #define BGP_EVPN_PATH_ES_INFO_GLOBAL_LIST (1 << 1) | |
26c03e43 AK |
134 | }; |
135 | ||
60605cbc AK |
136 | /* IP paths imported into the VRF from an EVPN route source |
137 | * are linked to the nexthop/VTEP IP | |
138 | */ | |
090efa2f | 139 | struct bgp_path_evpn_nh_info { |
60605cbc AK |
140 | /* back pointer to the route */ |
141 | struct bgp_path_info *pi; | |
090efa2f | 142 | struct bgp_evpn_nh *nh; |
60605cbc AK |
143 | /* memory used for linking the path to the nexthop */ |
144 | struct listnode nh_listnode; | |
145 | }; | |
146 | ||
147 | struct bgp_path_mh_info { | |
148 | struct bgp_path_es_info *es_info; | |
090efa2f | 149 | struct bgp_path_evpn_nh_info *nh_info; |
60605cbc AK |
150 | }; |
151 | ||
16f3db2d RS |
152 | struct bgp_sid_info { |
153 | struct in6_addr sid; | |
154 | uint8_t loc_block_len; | |
155 | uint8_t loc_node_len; | |
156 | uint8_t func_len; | |
157 | uint8_t arg_len; | |
ea7cd161 RS |
158 | uint8_t transposition_len; |
159 | uint8_t transposition_offset; | |
16f3db2d RS |
160 | }; |
161 | ||
4b7e6066 | 162 | /* Ancillary information to struct bgp_path_info, |
fb982c25 PJ |
163 | * used for uncommonly used data (aggregation, MPLS, etc.) |
164 | * and lazily allocated to save memory. | |
165 | */ | |
4b7e6066 | 166 | struct bgp_path_info_extra { |
d62a17ae | 167 | /* Pointer to dampening structure. */ |
168 | struct bgp_damp_info *damp_info; | |
fb982c25 | 169 | |
4056a5f6 RZ |
170 | /** List of aggregations that suppress this path. */ |
171 | struct list *aggr_suppressors; | |
fb982c25 | 172 | |
d62a17ae | 173 | /* Nexthop reachability check. */ |
d7c0a89a | 174 | uint32_t igpmetric; |
fb982c25 | 175 | |
b57ba6d2 MK |
176 | /* MPLS label(s) - VNI(s) for EVPN-VxLAN */ |
177 | mpls_label_t label[BGP_MAX_LABELS]; | |
d7c0a89a | 178 | uint32_t num_labels; |
342dd0c6 | 179 | |
0ca10580 CS |
180 | /* af specific flags */ |
181 | uint16_t af_flags; | |
182 | #define BGP_EVPN_MACIP_TYPE_SVI_IP (1 << 0) | |
183 | ||
e496b420 | 184 | /* SRv6 SID(s) for SRv6-VPN */ |
16f3db2d | 185 | struct bgp_sid_info sid[BGP_MAX_SIDS]; |
e496b420 HS |
186 | uint32_t num_sids; |
187 | ||
49e5a4a0 | 188 | #ifdef ENABLE_BGP_VNC |
d62a17ae | 189 | union { |
190 | ||
191 | struct { | |
192 | void *rfapi_handle; /* export: NVE advertising this | |
193 | route */ | |
194 | struct list *local_nexthops; /* optional, for static | |
195 | routes */ | |
196 | } export; | |
197 | ||
198 | struct { | |
199 | struct thread *timer; | |
200 | void *hme; /* encap monitor, if this is a VPN route */ | |
201 | struct prefix_rd | |
202 | rd; /* import: route's route-distinguisher */ | |
d7c0a89a | 203 | uint8_t un_family; /* family of cached un address, 0 if |
d62a17ae | 204 | unset */ |
205 | union { | |
206 | struct in_addr addr4; | |
207 | struct in6_addr addr6; | |
208 | } un; /* cached un address */ | |
209 | time_t create_time; | |
996c9314 LB |
210 | struct prefix aux_prefix; /* AFI_L2VPN: the IP addr, |
211 | if family set */ | |
d62a17ae | 212 | } import; |
213 | ||
214 | } vnc; | |
65efcfce | 215 | #endif |
128ea8ab | 216 | |
34c7f35f SW |
217 | /* |
218 | * For imported routes into a VNI (or VRF) | |
d62a17ae | 219 | */ |
34c7f35f | 220 | void *parent; /* parent from global table */ |
852d9f97 SW |
221 | union { |
222 | struct ethaddr mac; /* MAC set here for VNI IP table */ | |
223 | struct ipaddr ip; /* IP set here for VNI MAC table */ | |
224 | } vni_info; | |
ddb5b488 PZ |
225 | |
226 | /* | |
227 | * Some tunnelish parameters follow. Maybe consolidate into an | |
228 | * internal tunnel structure? | |
229 | */ | |
230 | ||
231 | /* | |
232 | * Original bgp instance for imported routes. Needed for: | |
233 | * 1. Find all routes from a specific vrf for deletion | |
234 | * 2. vrf context of original nexthop | |
235 | * | |
236 | * Store pointer to bgp instance rather than bgp->vrf_id because | |
237 | * bgp->vrf_id is not always valid (or may change?). | |
238 | * | |
239 | * Set to NULL if route is not imported from another bgp instance. | |
240 | */ | |
241 | struct bgp *bgp_orig; | |
242 | ||
4cd690ae PG |
243 | /* |
244 | * Original bgp session to know if the session is a | |
245 | * connected EBGP session or not | |
246 | */ | |
247 | struct peer *peer_orig; | |
248 | ||
ddb5b488 PZ |
249 | /* |
250 | * Nexthop in context of original bgp instance. Needed | |
251 | * for label resolution of core mpls routes exported to a vrf. | |
252 | * Set nexthop_orig.family to 0 if not valid. | |
253 | */ | |
254 | struct prefix nexthop_orig; | |
ce3c0614 | 255 | /* presence of FS pbr firewall based entry */ |
c26edcda | 256 | struct list *bgp_fs_pbr; |
ce3c0614 PG |
257 | /* presence of FS pbr iprule based entry */ |
258 | struct list *bgp_fs_iprule; | |
26c03e43 | 259 | /* Destination Ethernet Segment links for EVPN MH */ |
60605cbc | 260 | struct bgp_path_mh_info *mh_info; |
fb982c25 PJ |
261 | }; |
262 | ||
4b7e6066 | 263 | struct bgp_path_info { |
d62a17ae | 264 | /* For linked list. */ |
4b7e6066 DS |
265 | struct bgp_path_info *next; |
266 | struct bgp_path_info *prev; | |
d62a17ae | 267 | |
268 | /* For nexthop linked list */ | |
4b7e6066 | 269 | LIST_ENTRY(bgp_path_info) nh_thread; |
d62a17ae | 270 | |
271 | /* Back pointer to the prefix node */ | |
9bcb3eef | 272 | struct bgp_dest *net; |
d62a17ae | 273 | |
274 | /* Back pointer to the nexthop structure */ | |
275 | struct bgp_nexthop_cache *nexthop; | |
fb018d25 | 276 | |
d62a17ae | 277 | /* Peer structure. */ |
278 | struct peer *peer; | |
fb018d25 | 279 | |
d62a17ae | 280 | /* Attribute structure. */ |
281 | struct attr *attr; | |
fb018d25 | 282 | |
d62a17ae | 283 | /* Extra information */ |
4b7e6066 | 284 | struct bgp_path_info_extra *extra; |
fb018d25 | 285 | |
cbdfbaa5 | 286 | |
d62a17ae | 287 | /* Multipath information */ |
4b7e6066 | 288 | struct bgp_path_info_mpath *mpath; |
de8d5dff | 289 | |
d62a17ae | 290 | /* Uptime. */ |
291 | time_t uptime; | |
de8d5dff | 292 | |
d62a17ae | 293 | /* reference count */ |
294 | int lock; | |
cbdfbaa5 | 295 | |
d62a17ae | 296 | /* BGP information status. */ |
46dbf9d0 | 297 | uint32_t flags; |
1defdda8 DS |
298 | #define BGP_PATH_IGP_CHANGED (1 << 0) |
299 | #define BGP_PATH_DAMPED (1 << 1) | |
300 | #define BGP_PATH_HISTORY (1 << 2) | |
301 | #define BGP_PATH_SELECTED (1 << 3) | |
302 | #define BGP_PATH_VALID (1 << 4) | |
303 | #define BGP_PATH_ATTR_CHANGED (1 << 5) | |
304 | #define BGP_PATH_DMED_CHECK (1 << 6) | |
305 | #define BGP_PATH_DMED_SELECTED (1 << 7) | |
306 | #define BGP_PATH_STALE (1 << 8) | |
307 | #define BGP_PATH_REMOVED (1 << 9) | |
308 | #define BGP_PATH_COUNTED (1 << 10) | |
309 | #define BGP_PATH_MULTIPATH (1 << 11) | |
310 | #define BGP_PATH_MULTIPATH_CHG (1 << 12) | |
311 | #define BGP_PATH_RIB_ATTR_CHG (1 << 13) | |
312 | #define BGP_PATH_ANNC_NH_SELF (1 << 14) | |
b1875e65 | 313 | #define BGP_PATH_LINK_BW_CHG (1 << 15) |
46dbf9d0 | 314 | #define BGP_PATH_ACCEPT_OWN (1 << 16) |
718e3744 | 315 | |
d62a17ae | 316 | /* BGP route type. This can be static, RIP, OSPF, BGP etc. */ |
d7c0a89a | 317 | uint8_t type; |
cbdfbaa5 | 318 | |
d62a17ae | 319 | /* When above type is BGP. This sub type specify BGP sub type |
320 | information. */ | |
d7c0a89a | 321 | uint8_t sub_type; |
cbdfbaa5 PJ |
322 | #define BGP_ROUTE_NORMAL 0 |
323 | #define BGP_ROUTE_STATIC 1 | |
324 | #define BGP_ROUTE_AGGREGATE 2 | |
9ea364a2 | 325 | #define BGP_ROUTE_REDISTRIBUTE 3 |
65efcfce | 326 | #ifdef ENABLE_BGP_VNC |
9ea364a2 | 327 | # define BGP_ROUTE_RFP 4 |
65efcfce | 328 | #endif |
ddb5b488 | 329 | #define BGP_ROUTE_IMPORTED 5 /* from another bgp instance/safi */ |
7c8ff89e | 330 | |
d7c0a89a | 331 | unsigned short instance; |
a82478b9 | 332 | |
d62a17ae | 333 | /* Addpath identifiers */ |
d7c0a89a | 334 | uint32_t addpath_rx_id; |
dcc68b5e | 335 | struct bgp_addpath_info_data tx_addpath; |
718e3744 | 336 | }; |
337 | ||
128ea8ab | 338 | /* Structure used in BGP path selection */ |
4b7e6066 DS |
339 | struct bgp_path_info_pair { |
340 | struct bgp_path_info *old; | |
341 | struct bgp_path_info *new; | |
128ea8ab | 342 | }; |
343 | ||
718e3744 | 344 | /* BGP static route configuration. */ |
d62a17ae | 345 | struct bgp_static { |
346 | /* Backdoor configuration. */ | |
347 | int backdoor; | |
718e3744 | 348 | |
d62a17ae | 349 | /* Label index configuration; applies to LU prefixes. */ |
d7c0a89a | 350 | uint32_t label_index; |
1b6d5c7e VV |
351 | #define BGP_INVALID_LABEL_INDEX 0xFFFFFFFF |
352 | ||
d62a17ae | 353 | /* Import check status. */ |
d7c0a89a | 354 | uint8_t valid; |
718e3744 | 355 | |
d62a17ae | 356 | /* IGP metric. */ |
d7c0a89a | 357 | uint32_t igpmetric; |
718e3744 | 358 | |
d62a17ae | 359 | /* IGP nexthop. */ |
360 | struct in_addr igpnexthop; | |
718e3744 | 361 | |
d62a17ae | 362 | /* Atomic set reference count (ie cause of pathlimit) */ |
d7c0a89a | 363 | uint32_t atomic; |
718e3744 | 364 | |
d62a17ae | 365 | /* BGP redistribute route-map. */ |
366 | struct { | |
367 | char *name; | |
368 | struct route_map *map; | |
369 | } rmap; | |
137446f9 | 370 | |
d62a17ae | 371 | /* Route Distinguisher */ |
372 | struct prefix_rd prd; | |
684a7227 | 373 | |
d62a17ae | 374 | /* MPLS label. */ |
375 | mpls_label_t label; | |
376 | ||
377 | /* EVPN */ | |
0a50c248 | 378 | esi_t *eth_s_id; |
d62a17ae | 379 | struct ethaddr *router_mac; |
380 | uint16_t encap_tunneltype; | |
381 | struct prefix gatewayIp; | |
718e3744 | 382 | }; |
383 | ||
e00d8008 NT |
384 | /* Aggreagete address: |
385 | * | |
386 | * advertise-map Set condition to advertise attribute | |
387 | * as-set Generate AS set path information | |
388 | * attribute-map Set attributes of aggregate | |
389 | * route-map Set parameters of aggregate | |
390 | * summary-only Filter more specific routes from updates | |
391 | * suppress-map Conditionally filter more specific routes from updates | |
392 | * <cr> | |
393 | */ | |
394 | struct bgp_aggregate { | |
395 | /* Summary-only flag. */ | |
396 | uint8_t summary_only; | |
397 | ||
398 | /* AS set generation. */ | |
399 | uint8_t as_set; | |
400 | ||
401 | /* Route-map for aggregated route. */ | |
20894f50 DA |
402 | struct { |
403 | char *name; | |
404 | struct route_map *map; | |
405 | } rmap; | |
e00d8008 NT |
406 | |
407 | /* Suppress-count. */ | |
408 | unsigned long count; | |
409 | ||
410 | /* Count of routes of origin type incomplete under this aggregate. */ | |
411 | unsigned long incomplete_origin_count; | |
412 | ||
413 | /* Count of routes of origin type egp under this aggregate. */ | |
414 | unsigned long egp_origin_count; | |
415 | ||
229757f1 DA |
416 | /* Optional modify flag to override ORIGIN */ |
417 | uint8_t origin; | |
418 | ||
e00d8008 NT |
419 | /* Hash containing the communities of all the |
420 | * routes under this aggregate. | |
421 | */ | |
422 | struct hash *community_hash; | |
423 | ||
424 | /* Hash containing the extended communities of all the | |
425 | * routes under this aggregate. | |
426 | */ | |
427 | struct hash *ecommunity_hash; | |
428 | ||
429 | /* Hash containing the large communities of all the | |
430 | * routes under this aggregate. | |
431 | */ | |
432 | struct hash *lcommunity_hash; | |
433 | ||
434 | /* Hash containing the AS-Path of all the | |
435 | * routes under this aggregate. | |
436 | */ | |
437 | struct hash *aspath_hash; | |
438 | ||
439 | /* Aggregate route's community. */ | |
440 | struct community *community; | |
441 | ||
442 | /* Aggregate route's extended community. */ | |
443 | struct ecommunity *ecommunity; | |
444 | ||
445 | /* Aggregate route's large community. */ | |
446 | struct lcommunity *lcommunity; | |
447 | ||
448 | /* Aggregate route's as-path. */ | |
449 | struct aspath *aspath; | |
450 | ||
451 | /* SAFI configuration. */ | |
452 | safi_t safi; | |
6aabb15d RZ |
453 | |
454 | /** Match only equal MED. */ | |
455 | bool match_med; | |
456 | /* MED matching state. */ | |
457 | /** Did we get the first MED value? */ | |
458 | bool med_initialized; | |
459 | /** Are there MED mismatches? */ | |
460 | bool med_mismatched; | |
461 | /** MED value found in current group. */ | |
462 | uint32_t med_matched_value; | |
463 | ||
464 | /** | |
465 | * Test if aggregated address MED of all route match, otherwise | |
466 | * returns `false`. This macro will also return `true` if MED | |
467 | * matching is disabled. | |
468 | */ | |
469 | #define AGGREGATE_MED_VALID(aggregate) \ | |
470 | (((aggregate)->match_med && !(aggregate)->med_mismatched) \ | |
471 | || !(aggregate)->match_med) | |
365ab2e7 RZ |
472 | |
473 | /** Suppress map route map name (`NULL` when disabled). */ | |
474 | char *suppress_map_name; | |
475 | /** Suppress map route map pointer. */ | |
476 | struct route_map *suppress_map; | |
e00d8008 NT |
477 | }; |
478 | ||
d62a17ae | 479 | #define BGP_NEXTHOP_AFI_FROM_NHLEN(nhlen) \ |
480 | ((nhlen) < IPV4_MAX_BYTELEN \ | |
481 | ? 0 \ | |
482 | : ((nhlen) < IPV6_MAX_BYTELEN ? AFI_IP : AFI_IP6)) | |
fe3ca08f | 483 | |
109153dd TA |
484 | #define BGP_ATTR_MP_NEXTHOP_LEN_IP6(attr) \ |
485 | ((attr)->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL || \ | |
486 | (attr)->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL || \ | |
487 | (attr)->mp_nexthop_len == BGP_ATTR_NHLEN_VPNV6_GLOBAL || \ | |
488 | (attr)->mp_nexthop_len == BGP_ATTR_NHLEN_VPNV6_GLOBAL_AND_LL) | |
489 | ||
d62a17ae | 490 | #define BGP_ATTR_NEXTHOP_AFI_IP6(attr) \ |
109153dd TA |
491 | (!CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP)) && \ |
492 | BGP_ATTR_MP_NEXTHOP_LEN_IP6(attr)) | |
493 | ||
1defdda8 DS |
494 | #define BGP_PATH_COUNTABLE(BI) \ |
495 | (!CHECK_FLAG((BI)->flags, BGP_PATH_HISTORY) \ | |
496 | && !CHECK_FLAG((BI)->flags, BGP_PATH_REMOVED)) | |
80e0ad24 | 497 | |
1a392d46 | 498 | /* Flags which indicate a route is unuseable in some form */ |
1defdda8 DS |
499 | #define BGP_PATH_UNUSEABLE \ |
500 | (BGP_PATH_HISTORY | BGP_PATH_DAMPED | BGP_PATH_REMOVED) | |
1a392d46 PJ |
501 | /* Macro to check BGP information is alive or not. Sadly, |
502 | * not equivalent to just checking previous, because of the | |
503 | * sense of the additional VALID flag. | |
504 | */ | |
1defdda8 DS |
505 | #define BGP_PATH_HOLDDOWN(BI) \ |
506 | (!CHECK_FLAG((BI)->flags, BGP_PATH_VALID) \ | |
507 | || CHECK_FLAG((BI)->flags, BGP_PATH_UNUSEABLE)) | |
1a392d46 | 508 | |
718e3744 | 509 | #define DISTRIBUTE_IN_NAME(F) ((F)->dlist[FILTER_IN].name) |
510 | #define DISTRIBUTE_IN(F) ((F)->dlist[FILTER_IN].alist) | |
511 | #define DISTRIBUTE_OUT_NAME(F) ((F)->dlist[FILTER_OUT].name) | |
512 | #define DISTRIBUTE_OUT(F) ((F)->dlist[FILTER_OUT].alist) | |
513 | ||
514 | #define PREFIX_LIST_IN_NAME(F) ((F)->plist[FILTER_IN].name) | |
515 | #define PREFIX_LIST_IN(F) ((F)->plist[FILTER_IN].plist) | |
516 | #define PREFIX_LIST_OUT_NAME(F) ((F)->plist[FILTER_OUT].name) | |
517 | #define PREFIX_LIST_OUT(F) ((F)->plist[FILTER_OUT].plist) | |
518 | ||
519 | #define FILTER_LIST_IN_NAME(F) ((F)->aslist[FILTER_IN].name) | |
520 | #define FILTER_LIST_IN(F) ((F)->aslist[FILTER_IN].aslist) | |
521 | #define FILTER_LIST_OUT_NAME(F) ((F)->aslist[FILTER_OUT].name) | |
522 | #define FILTER_LIST_OUT(F) ((F)->aslist[FILTER_OUT].aslist) | |
523 | ||
fee0f4c6 | 524 | #define ROUTE_MAP_IN_NAME(F) ((F)->map[RMAP_IN].name) |
525 | #define ROUTE_MAP_IN(F) ((F)->map[RMAP_IN].map) | |
526 | #define ROUTE_MAP_OUT_NAME(F) ((F)->map[RMAP_OUT].name) | |
527 | #define ROUTE_MAP_OUT(F) ((F)->map[RMAP_OUT].map) | |
528 | ||
718e3744 | 529 | #define UNSUPPRESS_MAP_NAME(F) ((F)->usmap.name) |
530 | #define UNSUPPRESS_MAP(F) ((F)->usmap.map) | |
531 | ||
7f7940e6 MK |
532 | #define ADVERTISE_MAP_NAME(F) ((F)->advmap.aname) |
533 | #define ADVERTISE_MAP(F) ((F)->advmap.amap) | |
534 | ||
535 | #define ADVERTISE_CONDITION(F) ((F)->advmap.condition) | |
536 | ||
537 | #define CONDITION_MAP_NAME(F) ((F)->advmap.cname) | |
538 | #define CONDITION_MAP(F) ((F)->advmap.cmap) | |
539 | ||
2ec1e66f DW |
540 | /* path PREFIX (addpath rxid NUMBER) */ |
541 | #define PATH_ADDPATH_STR_BUFFER PREFIX2STR_BUFFER + 32 | |
542 | ||
360660c6 DS |
543 | enum bgp_path_type { |
544 | BGP_PATH_SHOW_ALL, | |
545 | BGP_PATH_SHOW_BESTPATH, | |
546 | BGP_PATH_SHOW_MULTIPATH | |
547 | }; | |
4092b06c | 548 | |
9bcb3eef | 549 | static inline void bgp_bump_version(struct bgp_dest *dest) |
3f9c7369 | 550 | { |
9bcb3eef | 551 | dest->version = bgp_table_next_version(bgp_dest_table(dest)); |
3f9c7369 DS |
552 | } |
553 | ||
d62a17ae | 554 | static inline int bgp_fibupd_safi(safi_t safi) |
cd1964ff | 555 | { |
d62a17ae | 556 | if (safi == SAFI_UNICAST || safi == SAFI_MULTICAST |
529efa23 PG |
557 | || safi == SAFI_LABELED_UNICAST |
558 | || safi == SAFI_FLOWSPEC) | |
d62a17ae | 559 | return 1; |
560 | return 0; | |
cd1964ff DS |
561 | } |
562 | ||
0a2f9ac1 | 563 | /* Flag if the route path's family matches params. */ |
564 | static inline bool is_pi_family_matching(struct bgp_path_info *pi, | |
565 | afi_t afi, safi_t safi) | |
566 | { | |
567 | struct bgp_table *table; | |
9bcb3eef | 568 | struct bgp_dest *dest; |
0a2f9ac1 | 569 | |
9bcb3eef DS |
570 | dest = pi->net; |
571 | if (!dest) | |
0a2f9ac1 | 572 | return false; |
9bcb3eef | 573 | table = bgp_dest_table(dest); |
0a2f9ac1 | 574 | if (table && |
575 | table->afi == afi && | |
576 | table->safi == safi) | |
577 | return true; | |
578 | return false; | |
579 | } | |
580 | ||
e34291b8 | 581 | static inline void prep_for_rmap_apply(struct bgp_path_info *dst_pi, |
582 | struct bgp_path_info_extra *dst_pie, | |
9bcb3eef | 583 | struct bgp_dest *dest, |
e34291b8 | 584 | struct bgp_path_info *src_pi, |
585 | struct peer *peer, struct attr *attr) | |
586 | { | |
587 | memset(dst_pi, 0, sizeof(struct bgp_path_info)); | |
588 | dst_pi->peer = peer; | |
589 | dst_pi->attr = attr; | |
9bcb3eef | 590 | dst_pi->net = dest; |
b1875e65 | 591 | dst_pi->flags = src_pi->flags; |
592 | dst_pi->type = src_pi->type; | |
593 | dst_pi->sub_type = src_pi->sub_type; | |
594 | dst_pi->mpath = src_pi->mpath; | |
e34291b8 | 595 | if (src_pi->extra) { |
596 | memcpy(dst_pie, src_pi->extra, | |
597 | sizeof(struct bgp_path_info_extra)); | |
598 | dst_pi->extra = dst_pie; | |
599 | } | |
600 | } | |
601 | ||
a77e2f4b S |
602 | static inline bool bgp_check_advertise(struct bgp *bgp, struct bgp_dest *dest) |
603 | { | |
604 | return (!(BGP_SUPPRESS_FIB_ENABLED(bgp) && | |
605 | CHECK_FLAG(dest->flags, BGP_NODE_FIB_INSTALL_PENDING) && | |
606 | (!bgp_option_check(BGP_OPT_NO_FIB)))); | |
607 | } | |
608 | ||
be785e35 DS |
609 | /* |
610 | * If we have a fib result and it failed to install( or was withdrawn due | |
611 | * to better admin distance we need to send down the wire a withdrawal. | |
612 | * This function assumes that bgp_check_advertise was already returned | |
613 | * as good to go. | |
614 | */ | |
615 | static inline bool bgp_check_withdrawal(struct bgp *bgp, struct bgp_dest *dest) | |
616 | { | |
4801fc46 | 617 | struct bgp_path_info *pi, *selected = NULL; |
be785e35 DS |
618 | |
619 | if (!BGP_SUPPRESS_FIB_ENABLED(bgp)) | |
620 | return false; | |
621 | ||
622 | for (pi = bgp_dest_get_bgp_path_info(dest); pi; pi = pi->next) { | |
4801fc46 DS |
623 | if (CHECK_FLAG(pi->flags, BGP_PATH_SELECTED)) { |
624 | selected = pi; | |
be785e35 | 625 | continue; |
4801fc46 | 626 | } |
be785e35 DS |
627 | |
628 | if (pi->sub_type != BGP_ROUTE_NORMAL) | |
629 | return true; | |
630 | } | |
631 | ||
4801fc46 DS |
632 | /* |
633 | * pi is selected and bgp is dealing with a static route | |
634 | * ( ie a network statement of some sort ). FIB installed | |
635 | * is irrelevant | |
636 | * | |
637 | * I am not sure what the above for loop is wanted in this | |
638 | * manner at this point. But I do know that if I have | |
639 | * a static route that is selected and it's the one | |
640 | * being checked for should I withdrawal we do not | |
641 | * want to withdraw the route on installation :) | |
642 | */ | |
643 | if (selected && selected->sub_type == BGP_ROUTE_STATIC) | |
644 | return false; | |
645 | ||
be785e35 DS |
646 | if (CHECK_FLAG(dest->flags, BGP_NODE_FIB_INSTALLED)) |
647 | return false; | |
648 | ||
649 | return true; | |
650 | } | |
651 | ||
4a11bf2c DL |
652 | /* called before bgp_process() */ |
653 | DECLARE_HOOK(bgp_process, | |
9bcb3eef DS |
654 | (struct bgp * bgp, afi_t afi, safi_t safi, struct bgp_dest *bn, |
655 | struct peer *peer, bool withdraw), | |
8451921b | 656 | (bgp, afi, safi, bn, peer, withdraw)); |
4a11bf2c | 657 | |
96f3485c MK |
658 | /* BGP show options */ |
659 | #define BGP_SHOW_OPT_JSON (1 << 0) | |
660 | #define BGP_SHOW_OPT_WIDE (1 << 1) | |
661 | #define BGP_SHOW_OPT_AFI_ALL (1 << 2) | |
662 | #define BGP_SHOW_OPT_AFI_IP (1 << 3) | |
663 | #define BGP_SHOW_OPT_AFI_IP6 (1 << 4) | |
85eeb029 DA |
664 | #define BGP_SHOW_OPT_ESTABLISHED (1 << 5) |
665 | #define BGP_SHOW_OPT_FAILED (1 << 6) | |
67799a48 | 666 | #define BGP_SHOW_OPT_JSON_DETAIL (1 << 7) |
96c81f66 | 667 | #define BGP_SHOW_OPT_TERSE (1 << 8) |
509d82bd | 668 | #define BGP_SHOW_OPT_ROUTES_DETAIL (1 << 9) |
96f3485c | 669 | |
718e3744 | 670 | /* Prototypes. */ |
9bcb3eef | 671 | extern void bgp_rib_remove(struct bgp_dest *dest, struct bgp_path_info *pi, |
db0e1937 | 672 | struct peer *peer, afi_t afi, safi_t safi); |
b6c386bb | 673 | extern void bgp_process_queue_init(struct bgp *bgp); |
d62a17ae | 674 | extern void bgp_route_init(void); |
675 | extern void bgp_route_finish(void); | |
676 | extern void bgp_cleanup_routes(struct bgp *); | |
e1a32ec1 DS |
677 | extern void bgp_announce_route(struct peer *peer, afi_t afi, safi_t safi, |
678 | bool force); | |
3f9c7369 | 679 | extern void bgp_stop_announce_route_timer(struct peer_af *paf); |
d62a17ae | 680 | extern void bgp_announce_route_all(struct peer *); |
681 | extern void bgp_default_originate(struct peer *, afi_t, safi_t, int); | |
46aeabed LS |
682 | extern void bgp_soft_reconfig_table_task_cancel(const struct bgp *bgp, |
683 | const struct bgp_table *table, | |
684 | const struct peer *peer); | |
89c73443 DS |
685 | |
686 | /* | |
687 | * If this peer is configured for soft reconfig in then do the work | |
688 | * and return true. If it is not return false; and do nothing | |
689 | */ | |
690 | extern bool bgp_soft_reconfig_in(struct peer *peer, afi_t afi, safi_t safi); | |
d62a17ae | 691 | extern void bgp_clear_route(struct peer *, afi_t, safi_t); |
692 | extern void bgp_clear_route_all(struct peer *); | |
693 | extern void bgp_clear_adj_in(struct peer *, afi_t, safi_t); | |
694 | extern void bgp_clear_stale_route(struct peer *, afi_t, safi_t); | |
9af52ccf | 695 | extern void bgp_set_stale_route(struct peer *peer, afi_t afi, safi_t safi); |
3dc339cd DA |
696 | extern bool bgp_outbound_policy_exists(struct peer *, struct bgp_filter *); |
697 | extern bool bgp_inbound_policy_exists(struct peer *, struct bgp_filter *); | |
d62a17ae | 698 | |
9bcb3eef | 699 | extern struct bgp_dest *bgp_afi_node_get(struct bgp_table *table, afi_t afi, |
5a1ae2c2 | 700 | safi_t safi, const struct prefix *p, |
d62a17ae | 701 | struct prefix_rd *prd); |
18ee8310 DS |
702 | extern struct bgp_path_info *bgp_path_info_lock(struct bgp_path_info *path); |
703 | extern struct bgp_path_info *bgp_path_info_unlock(struct bgp_path_info *path); | |
da0c0ef7 KM |
704 | extern struct bgp_path_info * |
705 | bgp_get_imported_bpi_ultimate(struct bgp_path_info *info); | |
9bcb3eef | 706 | extern void bgp_path_info_add(struct bgp_dest *dest, struct bgp_path_info *pi); |
a2e219fe | 707 | extern void bgp_path_info_extra_free(struct bgp_path_info_extra **extra); |
9bcb3eef DS |
708 | extern void bgp_path_info_reap(struct bgp_dest *dest, struct bgp_path_info *pi); |
709 | extern void bgp_path_info_delete(struct bgp_dest *dest, | |
710 | struct bgp_path_info *pi); | |
4b7e6066 | 711 | extern struct bgp_path_info_extra * |
18ee8310 | 712 | bgp_path_info_extra_get(struct bgp_path_info *path); |
9bcb3eef | 713 | extern void bgp_path_info_set_flag(struct bgp_dest *dest, |
18ee8310 | 714 | struct bgp_path_info *path, uint32_t flag); |
9bcb3eef | 715 | extern void bgp_path_info_unset_flag(struct bgp_dest *dest, |
18ee8310 | 716 | struct bgp_path_info *path, uint32_t flag); |
40381db7 | 717 | extern void bgp_path_info_path_with_addpath_rx_str(struct bgp_path_info *pi, |
7533cad7 | 718 | char *buf, size_t buf_len); |
d62a17ae | 719 | |
720 | extern int bgp_nlri_parse_ip(struct peer *, struct attr *, struct bgp_nlri *); | |
721 | ||
3dc339cd | 722 | extern bool bgp_maximum_prefix_overflow(struct peer *, afi_t, safi_t, int); |
d62a17ae | 723 | |
9de1f7ff DS |
724 | extern void bgp_redistribute_add(struct bgp *bgp, struct prefix *p, |
725 | const union g_addr *nexthop, ifindex_t ifindex, | |
957f74c3 | 726 | enum nexthop_types_t nhtype, uint8_t distance, |
0789eb69 KM |
727 | enum blackhole_type bhtype, uint32_t metric, |
728 | uint8_t type, unsigned short instance, | |
729 | route_tag_t tag); | |
d7c0a89a QY |
730 | extern void bgp_redistribute_delete(struct bgp *, struct prefix *, uint8_t, |
731 | unsigned short); | |
732 | extern void bgp_redistribute_withdraw(struct bgp *, afi_t, int, unsigned short); | |
d62a17ae | 733 | |
734 | extern void bgp_static_add(struct bgp *); | |
735 | extern void bgp_static_delete(struct bgp *); | |
736 | extern void bgp_static_redo_import_check(struct bgp *); | |
737 | extern void bgp_purge_static_redist_routes(struct bgp *bgp); | |
5f040085 DS |
738 | extern void bgp_static_update(struct bgp *bgp, const struct prefix *p, |
739 | struct bgp_static *s, afi_t afi, safi_t safi); | |
740 | extern void bgp_static_withdraw(struct bgp *bgp, const struct prefix *p, | |
741 | afi_t afi, safi_t safi); | |
d62a17ae | 742 | |
743 | extern int bgp_static_set_safi(afi_t afi, safi_t safi, struct vty *vty, | |
744 | const char *, const char *, const char *, | |
745 | const char *, int, const char *, const char *, | |
746 | const char *, const char *); | |
747 | ||
748 | extern int bgp_static_unset_safi(afi_t afi, safi_t safi, struct vty *, | |
749 | const char *, const char *, const char *, int, | |
750 | const char *, const char *, const char *); | |
718e3744 | 751 | |
94f2b392 | 752 | /* this is primarily for MPLS-VPN */ |
367b458c DS |
753 | extern void bgp_update(struct peer *peer, const struct prefix *p, |
754 | uint32_t addpath_id, struct attr *attr, afi_t afi, | |
755 | safi_t safi, int type, int sub_type, | |
756 | struct prefix_rd *prd, mpls_label_t *label, | |
757 | uint32_t num_labels, int soft_reconfig, | |
758 | struct bgp_route_evpn *evpn); | |
759 | extern void bgp_withdraw(struct peer *peer, const struct prefix *p, | |
760 | uint32_t addpath_id, struct attr *attr, afi_t afi, | |
761 | safi_t safi, int type, int sub_type, | |
762 | struct prefix_rd *prd, mpls_label_t *label, | |
763 | uint32_t num_labels, struct bgp_route_evpn *evpn); | |
718e3744 | 764 | |
94f2b392 | 765 | /* for bgp_nexthop and bgp_damp */ |
9bcb3eef | 766 | extern void bgp_process(struct bgp *, struct bgp_dest *, afi_t, safi_t); |
cb1faec9 DS |
767 | |
768 | /* | |
769 | * Add an end-of-initial-update marker to the process queue. This is just a | |
770 | * queue element with NULL bgp node. | |
771 | */ | |
d62a17ae | 772 | extern void bgp_add_eoiu_mark(struct bgp *); |
60466a63 QY |
773 | extern void bgp_config_write_table_map(struct vty *, struct bgp *, afi_t, |
774 | safi_t); | |
2b791107 | 775 | extern void bgp_config_write_network(struct vty *, struct bgp *, afi_t, safi_t); |
60466a63 QY |
776 | extern void bgp_config_write_distance(struct vty *, struct bgp *, afi_t, |
777 | safi_t); | |
d62a17ae | 778 | |
5f040085 DS |
779 | extern void bgp_aggregate_delete(struct bgp *bgp, const struct prefix *p, |
780 | afi_t afi, safi_t safi, | |
781 | struct bgp_aggregate *aggregate); | |
782 | extern void bgp_aggregate_route(struct bgp *bgp, const struct prefix *p, | |
783 | afi_t afi, safi_t safi, | |
784 | struct bgp_aggregate *aggregate); | |
5a1ae2c2 | 785 | extern void bgp_aggregate_increment(struct bgp *bgp, const struct prefix *p, |
4b7e6066 DS |
786 | struct bgp_path_info *path, afi_t afi, |
787 | safi_t safi); | |
5a1ae2c2 | 788 | extern void bgp_aggregate_decrement(struct bgp *bgp, const struct prefix *p, |
4b7e6066 DS |
789 | struct bgp_path_info *path, afi_t afi, |
790 | safi_t safi); | |
d62a17ae | 791 | |
b8685f9b DS |
792 | extern uint8_t bgp_distance_apply(const struct prefix *p, |
793 | struct bgp_path_info *path, afi_t afi, | |
794 | safi_t safi, struct bgp *bgp); | |
d62a17ae | 795 | |
796 | extern afi_t bgp_node_afi(struct vty *); | |
797 | extern safi_t bgp_node_safi(struct vty *); | |
798 | ||
4b7e6066 DS |
799 | extern struct bgp_path_info *info_make(int type, int sub_type, |
800 | unsigned short instance, | |
801 | struct peer *peer, struct attr *attr, | |
9bcb3eef | 802 | struct bgp_dest *dest); |
4b7e6066 | 803 | |
bd494ec5 | 804 | extern void route_vty_out(struct vty *vty, const struct prefix *p, |
4b7e6066 | 805 | struct bgp_path_info *path, int display, safi_t safi, |
ae248832 | 806 | json_object *json_paths, bool wide); |
bd494ec5 | 807 | extern void route_vty_out_tag(struct vty *vty, const struct prefix *p, |
4b7e6066 DS |
808 | struct bgp_path_info *path, int display, |
809 | safi_t safi, json_object *json); | |
7d3cae70 DA |
810 | extern void route_vty_out_tmp(struct vty *vty, struct bgp_dest *dest, |
811 | const struct prefix *p, struct attr *attr, | |
812 | safi_t safi, bool use_json, json_object *json_ar, | |
813 | bool wide); | |
bd494ec5 | 814 | extern void route_vty_out_overlay(struct vty *vty, const struct prefix *p, |
9b6d8fcf | 815 | struct bgp_path_info *path, int display, |
d62a17ae | 816 | json_object *json); |
817 | ||
e73c112e MK |
818 | extern void bgp_notify_conditional_adv_scanner(struct update_subgroup *subgrp); |
819 | ||
3dc339cd DA |
820 | extern void subgroup_process_announce_selected(struct update_subgroup *subgrp, |
821 | struct bgp_path_info *selected, | |
9bcb3eef | 822 | struct bgp_dest *dest, |
3dc339cd | 823 | uint32_t addpath_tx_id); |
3f9c7369 | 824 | |
9bcb3eef | 825 | extern bool subgroup_announce_check(struct bgp_dest *dest, |
3dc339cd DA |
826 | struct bgp_path_info *pi, |
827 | struct update_subgroup *subgrp, | |
7f7940e6 | 828 | const struct prefix *p, struct attr *attr, |
51c3a7de | 829 | struct attr *post_attr); |
3f9c7369 | 830 | |
d62a17ae | 831 | extern void bgp_peer_clear_node_queue_drain_immediate(struct peer *peer); |
832 | extern void bgp_process_queues_drain_immediate(void); | |
bb86c601 | 833 | |
65efcfce | 834 | /* for encap/vpn */ |
9bcb3eef | 835 | extern struct bgp_dest *bgp_afi_node_lookup(struct bgp_table *table, afi_t afi, |
bd494ec5 | 836 | safi_t safi, const struct prefix *p, |
d62a17ae | 837 | struct prefix_rd *prd); |
9bcb3eef | 838 | extern void bgp_path_info_restore(struct bgp_dest *dest, |
18ee8310 DS |
839 | struct bgp_path_info *path); |
840 | ||
841 | extern int bgp_path_info_cmp_compatible(struct bgp *bgp, | |
842 | struct bgp_path_info *new, | |
843 | struct bgp_path_info *exist, | |
fdf81fa0 DS |
844 | char *pfx_buf, afi_t afi, safi_t safi, |
845 | enum bgp_path_selection_reason *reason); | |
1479ed2f | 846 | extern void bgp_attr_add_llgr_community(struct attr *attr); |
7f323236 | 847 | extern void bgp_attr_add_gshut_community(struct attr *attr); |
d62a17ae | 848 | |
9bcb3eef | 849 | extern void bgp_best_selection(struct bgp *bgp, struct bgp_dest *dest, |
d62a17ae | 850 | struct bgp_maxpaths_cfg *mpath_cfg, |
4b7e6066 | 851 | struct bgp_path_info_pair *result, afi_t afi, |
d62a17ae | 852 | safi_t safi); |
9bcb3eef DS |
853 | extern void bgp_zebra_clear_route_change_flags(struct bgp_dest *dest); |
854 | extern bool bgp_zebra_has_route_changed(struct bgp_path_info *selected); | |
d62a17ae | 855 | |
856 | extern void route_vty_out_detail_header(struct vty *vty, struct bgp *bgp, | |
9bcb3eef | 857 | struct bgp_dest *dest, |
34c7f35f | 858 | const struct prefix *p, |
edfee30d | 859 | const struct prefix_rd *prd, afi_t afi, |
d62a17ae | 860 | safi_t safi, json_object *json); |
861 | extern void route_vty_out_detail(struct vty *vty, struct bgp *bgp, | |
34c7f35f | 862 | struct bgp_dest *bn, const struct prefix *p, |
9bcb3eef | 863 | struct bgp_path_info *path, afi_t afi, |
4933eaaf DS |
864 | safi_t safi, enum rpki_states, |
865 | json_object *json_paths); | |
1ae44dfc LB |
866 | extern int bgp_show_table_rd(struct vty *vty, struct bgp *bgp, safi_t safi, |
867 | struct bgp_table *table, struct prefix_rd *prd, | |
868 | enum bgp_show_type type, void *output_arg, | |
27bb782a | 869 | uint16_t show_flags); |
42c93837 | 870 | extern void bgp_best_path_select_defer(struct bgp *bgp, afi_t afi, safi_t safi); |
e7cbe5e5 NT |
871 | extern bool bgp_update_martian_nexthop(struct bgp *bgp, afi_t afi, safi_t safi, |
872 | uint8_t type, uint8_t stype, | |
9bcb3eef | 873 | struct attr *attr, struct bgp_dest *dest); |
d071f237 AK |
874 | extern int bgp_evpn_path_info_cmp(struct bgp *bgp, struct bgp_path_info *new, |
875 | struct bgp_path_info *exist, int *paths_eq); | |
4056a5f6 RZ |
876 | extern void bgp_aggregate_toggle_suppressed(struct bgp_aggregate *aggregate, |
877 | struct bgp *bgp, | |
878 | const struct prefix *p, afi_t afi, | |
879 | safi_t safi, bool suppress); | |
f2ee6d5c | 880 | extern void subgroup_announce_reset_nhop(uint8_t family, struct attr *attr); |
1d7260a1 DA |
881 | const char * |
882 | bgp_path_selection_reason2str(enum bgp_path_selection_reason reason); | |
be92fc9f | 883 | extern bool bgp_addpath_encode_rx(struct peer *peer, afi_t afi, safi_t safi); |
46dbf9d0 DA |
884 | extern const struct prefix_rd *bgp_rd_from_dest(const struct bgp_dest *dest, |
885 | safi_t safi); | |
eb473185 DA |
886 | extern void bgp_path_info_free_with_caller(const char *caller, |
887 | struct bgp_path_info *path); | |
888 | extern void bgp_path_info_add_with_caller(const char *caller, | |
889 | struct bgp_dest *dest, | |
890 | struct bgp_path_info *pi); | |
891 | #define bgp_path_info_add(A, B) \ | |
892 | bgp_path_info_add_with_caller(__func__, (A), (B)) | |
893 | #define bgp_path_info_free(B) bgp_path_info_free_with_caller(__func__, (B)) | |
00d252cb | 894 | #endif /* _QUAGGA_BGP_ROUTE_H */ |