projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| 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" |
| 200df115 | 31 | |
| fb018d25 | 32 | struct bgp_nexthop_cache; |
| 7ef5a232 | 33 | struct bgp_route_evpn; |
| fb018d25 | 34 | |
| d62a17ae | 35 | enum bgp_show_type { |
| 36 | bgp_show_type_normal, | |
| 37 | bgp_show_type_regexp, | |
| 38 | bgp_show_type_prefix_list, | |
| 39 | bgp_show_type_filter_list, | |
| 40 | bgp_show_type_route_map, | |
| 41 | bgp_show_type_neighbor, | |
| 42 | bgp_show_type_cidr_only, | |
| 43 | bgp_show_type_prefix_longer, | |
| 44 | bgp_show_type_community_all, | |
| 45 | bgp_show_type_community, | |
| 46 | bgp_show_type_community_exact, | |
| 47 | bgp_show_type_community_list, | |
| 48 | bgp_show_type_community_list_exact, | |
| 49 | bgp_show_type_lcommunity_all, | |
| 50 | bgp_show_type_lcommunity, | |
| 36a206db | 51 | bgp_show_type_lcommunity_exact, |
| d62a17ae | 52 | bgp_show_type_lcommunity_list, |
| 36a206db | 53 | bgp_show_type_lcommunity_list_exact, |
| d62a17ae | 54 | bgp_show_type_flap_statistics, |
| 55 | bgp_show_type_flap_neighbor, | |
| 56 | bgp_show_type_dampend_paths, | |
| dba3c1d3 PG |
57 | bgp_show_type_damp_neighbor, |
| 58 | bgp_show_type_detail, | |
| b2f0fa55 PG |
59 | }; |
| 60 | ||
| 6392aaa6 PM |
61 | enum bgp_show_adj_route_type { |
| 62 | bgp_show_adj_route_advertised, | |
| 63 | bgp_show_adj_route_received, | |
| 64 | bgp_show_adj_route_filtered, | |
| 65 | }; | |
| 66 | ||
| b2f0fa55 | 67 | |
| d62a17ae | 68 | #define BGP_SHOW_SCODE_HEADER \ |
| 9df8b37c | 69 | "Status codes: s suppressed, d damped, " \ |
| d62a17ae | 70 | "h history, * valid, > best, = multipath,\n" \ |
| 9df8b37c PZ |
71 | " i internal, r RIB-failure, S Stale, R Removed\n" |
| 72 | #define BGP_SHOW_OCODE_HEADER "Origin codes: i - IGP, e - EGP, ? - incomplete\n\n" | |
| 73 | #define BGP_SHOW_NCODE_HEADER "Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self\n" | |
| 181039f3 | 74 | #define BGP_SHOW_HEADER " Network Next Hop Metric LocPrf Weight Path\n" |
| 3f9c7369 | 75 | |
| b57ba6d2 MK |
76 | /* Maximum number of labels we can process or send with a prefix. We |
| 77 | * really do only 1 for MPLS (BGP-LU) but we can do 2 for EVPN-VxLAN. | |
| 78 | */ | |
| 79 | #define BGP_MAX_LABELS 2 | |
| 80 | ||
| 513386b5 DA |
81 | /* Error codes for handling NLRI */ |
| 82 | #define BGP_NLRI_PARSE_OK 0 | |
| 83 | #define BGP_NLRI_PARSE_ERROR_PREFIX_OVERFLOW -1 | |
| 84 | #define BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW -2 | |
| 85 | #define BGP_NLRI_PARSE_ERROR_PREFIX_LENGTH -3 | |
| 86 | #define BGP_NLRI_PARSE_ERROR_PACKET_LENGTH -4 | |
| 87 | #define BGP_NLRI_PARSE_ERROR_LABEL_LENGTH -5 | |
| 88 | #define BGP_NLRI_PARSE_ERROR_EVPN_MISSING_TYPE -6 | |
| 89 | #define BGP_NLRI_PARSE_ERROR_EVPN_TYPE2_SIZE -7 | |
| 90 | #define BGP_NLRI_PARSE_ERROR_EVPN_TYPE3_SIZE -8 | |
| 91 | #define BGP_NLRI_PARSE_ERROR_EVPN_TYPE4_SIZE -9 | |
| 92 | #define BGP_NLRI_PARSE_ERROR_EVPN_TYPE5_SIZE -10 | |
| 93 | #define BGP_NLRI_PARSE_ERROR_FLOWSPEC_IPV6_NOT_SUPPORTED -11 | |
| 94 | #define BGP_NLRI_PARSE_ERROR_FLOWSPEC_NLRI_SIZELIMIT -12 | |
| 95 | #define BGP_NLRI_PARSE_ERROR_FLOWSPEC_BAD_FORMAT -13 | |
| 96 | #define BGP_NLRI_PARSE_ERROR_ADDRESS_FAMILY -14 | |
| 97 | #define BGP_NLRI_PARSE_ERROR -32 | |
| 98 | ||
| 4b7e6066 | 99 | /* Ancillary information to struct bgp_path_info, |
| fb982c25 PJ |
100 | * used for uncommonly used data (aggregation, MPLS, etc.) |
| 101 | * and lazily allocated to save memory. | |
| 102 | */ | |
| 4b7e6066 | 103 | struct bgp_path_info_extra { |
| d62a17ae | 104 | /* Pointer to dampening structure. */ |
| 105 | struct bgp_damp_info *damp_info; | |
| fb982c25 | 106 | |
| d62a17ae | 107 | /* This route is suppressed with aggregation. */ |
| 108 | int suppress; | |
| fb982c25 | 109 | |
| d62a17ae | 110 | /* Nexthop reachability check. */ |
| d7c0a89a | 111 | uint32_t igpmetric; |
| fb982c25 | 112 | |
| b57ba6d2 MK |
113 | /* MPLS label(s) - VNI(s) for EVPN-VxLAN */ |
| 114 | mpls_label_t label[BGP_MAX_LABELS]; | |
| d7c0a89a | 115 | uint32_t num_labels; |
| 342dd0c6 | 116 | |
| 0ca10580 CS |
117 | /* af specific flags */ |
| 118 | uint16_t af_flags; | |
| 119 | #define BGP_EVPN_MACIP_TYPE_SVI_IP (1 << 0) | |
| 120 | ||
| 65efcfce | 121 | #if ENABLE_BGP_VNC |
| d62a17ae | 122 | union { |
| 123 | ||
| 124 | struct { | |
| 125 | void *rfapi_handle; /* export: NVE advertising this | |
| 126 | route */ | |
| 127 | struct list *local_nexthops; /* optional, for static | |
| 128 | routes */ | |
| 129 | } export; | |
| 130 | ||
| 131 | struct { | |
| 132 | struct thread *timer; | |
| 133 | void *hme; /* encap monitor, if this is a VPN route */ | |
| 134 | struct prefix_rd | |
| 135 | rd; /* import: route's route-distinguisher */ | |
| d7c0a89a | 136 | uint8_t un_family; /* family of cached un address, 0 if |
| d62a17ae | 137 | unset */ |
| 138 | union { | |
| 139 | struct in_addr addr4; | |
| 140 | struct in6_addr addr6; | |
| 141 | } un; /* cached un address */ | |
| 142 | time_t create_time; | |
| 996c9314 LB |
143 | struct prefix aux_prefix; /* AFI_L2VPN: the IP addr, |
| 144 | if family set */ | |
| d62a17ae | 145 | } import; |
| 146 | ||
| 147 | } vnc; | |
| 65efcfce | 148 | #endif |
| 128ea8ab | 149 | |
| d62a17ae | 150 | /* For imported routes into a VNI (or VRF), this points to the parent. |
| 151 | */ | |
| 152 | void *parent; | |
| ddb5b488 PZ |
153 | |
| 154 | /* | |
| 155 | * Some tunnelish parameters follow. Maybe consolidate into an | |
| 156 | * internal tunnel structure? | |
| 157 | */ | |
| 158 | ||
| 159 | /* | |
| 160 | * Original bgp instance for imported routes. Needed for: | |
| 161 | * 1. Find all routes from a specific vrf for deletion | |
| 162 | * 2. vrf context of original nexthop | |
| 163 | * | |
| 164 | * Store pointer to bgp instance rather than bgp->vrf_id because | |
| 165 | * bgp->vrf_id is not always valid (or may change?). | |
| 166 | * | |
| 167 | * Set to NULL if route is not imported from another bgp instance. | |
| 168 | */ | |
| 169 | struct bgp *bgp_orig; | |
| 170 | ||
| 171 | /* | |
| 172 | * Nexthop in context of original bgp instance. Needed | |
| 173 | * for label resolution of core mpls routes exported to a vrf. | |
| 174 | * Set nexthop_orig.family to 0 if not valid. | |
| 175 | */ | |
| 176 | struct prefix nexthop_orig; | |
| ce3c0614 | 177 | /* presence of FS pbr firewall based entry */ |
| c26edcda | 178 | struct list *bgp_fs_pbr; |
| ce3c0614 PG |
179 | /* presence of FS pbr iprule based entry */ |
| 180 | struct list *bgp_fs_iprule; | |
| fb982c25 PJ |
181 | }; |
| 182 | ||
| 4b7e6066 | 183 | struct bgp_path_info { |
| d62a17ae | 184 | /* For linked list. */ |
| 4b7e6066 DS |
185 | struct bgp_path_info *next; |
| 186 | struct bgp_path_info *prev; | |
| d62a17ae | 187 | |
| 188 | /* For nexthop linked list */ | |
| 4b7e6066 | 189 | LIST_ENTRY(bgp_path_info) nh_thread; |
| d62a17ae | 190 | |
| 191 | /* Back pointer to the prefix node */ | |
| 192 | struct bgp_node *net; | |
| 193 | ||
| 194 | /* Back pointer to the nexthop structure */ | |
| 195 | struct bgp_nexthop_cache *nexthop; | |
| fb018d25 | 196 | |
| d62a17ae | 197 | /* Peer structure. */ |
| 198 | struct peer *peer; | |
| fb018d25 | 199 | |
| d62a17ae | 200 | /* Attribute structure. */ |
| 201 | struct attr *attr; | |
| fb018d25 | 202 | |
| d62a17ae | 203 | /* Extra information */ |
| 4b7e6066 | 204 | struct bgp_path_info_extra *extra; |
| fb018d25 | 205 | |
| cbdfbaa5 | 206 | |
| d62a17ae | 207 | /* Multipath information */ |
| 4b7e6066 | 208 | struct bgp_path_info_mpath *mpath; |
| de8d5dff | 209 | |
| d62a17ae | 210 | /* Uptime. */ |
| 211 | time_t uptime; | |
| de8d5dff | 212 | |
| d62a17ae | 213 | /* reference count */ |
| 214 | int lock; | |
| cbdfbaa5 | 215 | |
| d62a17ae | 216 | /* BGP information status. */ |
| d7c0a89a | 217 | uint16_t flags; |
| 1defdda8 DS |
218 | #define BGP_PATH_IGP_CHANGED (1 << 0) |
| 219 | #define BGP_PATH_DAMPED (1 << 1) | |
| 220 | #define BGP_PATH_HISTORY (1 << 2) | |
| 221 | #define BGP_PATH_SELECTED (1 << 3) | |
| 222 | #define BGP_PATH_VALID (1 << 4) | |
| 223 | #define BGP_PATH_ATTR_CHANGED (1 << 5) | |
| 224 | #define BGP_PATH_DMED_CHECK (1 << 6) | |
| 225 | #define BGP_PATH_DMED_SELECTED (1 << 7) | |
| 226 | #define BGP_PATH_STALE (1 << 8) | |
| 227 | #define BGP_PATH_REMOVED (1 << 9) | |
| 228 | #define BGP_PATH_COUNTED (1 << 10) | |
| 229 | #define BGP_PATH_MULTIPATH (1 << 11) | |
| 230 | #define BGP_PATH_MULTIPATH_CHG (1 << 12) | |
| 231 | #define BGP_PATH_RIB_ATTR_CHG (1 << 13) | |
| 232 | #define BGP_PATH_ANNC_NH_SELF (1 << 14) | |
| 718e3744 | 233 | |
| d62a17ae | 234 | /* BGP route type. This can be static, RIP, OSPF, BGP etc. */ |
| d7c0a89a | 235 | uint8_t type; |
| cbdfbaa5 | 236 | |
| d62a17ae | 237 | /* When above type is BGP. This sub type specify BGP sub type |
| 238 | information. */ | |
| d7c0a89a | 239 | uint8_t sub_type; |
| cbdfbaa5 PJ |
240 | #define BGP_ROUTE_NORMAL 0 |
| 241 | #define BGP_ROUTE_STATIC 1 | |
| 242 | #define BGP_ROUTE_AGGREGATE 2 | |
| 9ea364a2 | 243 | #define BGP_ROUTE_REDISTRIBUTE 3 |
| 65efcfce | 244 | #ifdef ENABLE_BGP_VNC |
| 9ea364a2 | 245 | # define BGP_ROUTE_RFP 4 |
| 65efcfce | 246 | #endif |
| ddb5b488 | 247 | #define BGP_ROUTE_IMPORTED 5 /* from another bgp instance/safi */ |
| 7c8ff89e | 248 | |
| d7c0a89a | 249 | unsigned short instance; |
| a82478b9 | 250 | |
| d62a17ae | 251 | /* Addpath identifiers */ |
| d7c0a89a | 252 | uint32_t addpath_rx_id; |
| dcc68b5e | 253 | struct bgp_addpath_info_data tx_addpath; |
| 718e3744 | 254 | }; |
| 255 | ||
| 128ea8ab | 256 | /* Structure used in BGP path selection */ |
| 4b7e6066 DS |
257 | struct bgp_path_info_pair { |
| 258 | struct bgp_path_info *old; | |
| 259 | struct bgp_path_info *new; | |
| 128ea8ab | 260 | }; |
| 261 | ||
| 718e3744 | 262 | /* BGP static route configuration. */ |
| d62a17ae | 263 | struct bgp_static { |
| 264 | /* Backdoor configuration. */ | |
| 265 | int backdoor; | |
| 718e3744 | 266 | |
| d62a17ae | 267 | /* Label index configuration; applies to LU prefixes. */ |
| d7c0a89a | 268 | uint32_t label_index; |
| 1b6d5c7e VV |
269 | #define BGP_INVALID_LABEL_INDEX 0xFFFFFFFF |
| 270 | ||
| d62a17ae | 271 | /* Import check status. */ |
| d7c0a89a | 272 | uint8_t valid; |
| 718e3744 | 273 | |
| d62a17ae | 274 | /* IGP metric. */ |
| d7c0a89a | 275 | uint32_t igpmetric; |
| 718e3744 | 276 | |
| d62a17ae | 277 | /* IGP nexthop. */ |
| 278 | struct in_addr igpnexthop; | |
| 718e3744 | 279 | |
| d62a17ae | 280 | /* Atomic set reference count (ie cause of pathlimit) */ |
| d7c0a89a | 281 | uint32_t atomic; |
| 718e3744 | 282 | |
| d62a17ae | 283 | /* BGP redistribute route-map. */ |
| 284 | struct { | |
| 285 | char *name; | |
| 286 | struct route_map *map; | |
| 287 | } rmap; | |
| 137446f9 | 288 | |
| d62a17ae | 289 | /* Route Distinguisher */ |
| 290 | struct prefix_rd prd; | |
| 684a7227 | 291 | |
| d62a17ae | 292 | /* MPLS label. */ |
| 293 | mpls_label_t label; | |
| 294 | ||
| 295 | /* EVPN */ | |
| 296 | struct eth_segment_id *eth_s_id; | |
| 297 | struct ethaddr *router_mac; | |
| 298 | uint16_t encap_tunneltype; | |
| 299 | struct prefix gatewayIp; | |
| 718e3744 | 300 | }; |
| 301 | ||
| e00d8008 NT |
302 | /* Aggreagete address: |
| 303 | * | |
| 304 | * advertise-map Set condition to advertise attribute | |
| 305 | * as-set Generate AS set path information | |
| 306 | * attribute-map Set attributes of aggregate | |
| 307 | * route-map Set parameters of aggregate | |
| 308 | * summary-only Filter more specific routes from updates | |
| 309 | * suppress-map Conditionally filter more specific routes from updates | |
| 310 | * <cr> | |
| 311 | */ | |
| 312 | struct bgp_aggregate { | |
| 313 | /* Summary-only flag. */ | |
| 314 | uint8_t summary_only; | |
| 315 | ||
| 316 | /* AS set generation. */ | |
| 317 | uint8_t as_set; | |
| 318 | ||
| 319 | /* Route-map for aggregated route. */ | |
| 20894f50 DA |
320 | struct { |
| 321 | char *name; | |
| 322 | struct route_map *map; | |
| 323 | } rmap; | |
| e00d8008 NT |
324 | |
| 325 | /* Suppress-count. */ | |
| 326 | unsigned long count; | |
| 327 | ||
| 328 | /* Count of routes of origin type incomplete under this aggregate. */ | |
| 329 | unsigned long incomplete_origin_count; | |
| 330 | ||
| 331 | /* Count of routes of origin type egp under this aggregate. */ | |
| 332 | unsigned long egp_origin_count; | |
| 333 | ||
| 334 | /* Hash containing the communities of all the | |
| 335 | * routes under this aggregate. | |
| 336 | */ | |
| 337 | struct hash *community_hash; | |
| 338 | ||
| 339 | /* Hash containing the extended communities of all the | |
| 340 | * routes under this aggregate. | |
| 341 | */ | |
| 342 | struct hash *ecommunity_hash; | |
| 343 | ||
| 344 | /* Hash containing the large communities of all the | |
| 345 | * routes under this aggregate. | |
| 346 | */ | |
| 347 | struct hash *lcommunity_hash; | |
| 348 | ||
| 349 | /* Hash containing the AS-Path of all the | |
| 350 | * routes under this aggregate. | |
| 351 | */ | |
| 352 | struct hash *aspath_hash; | |
| 353 | ||
| 354 | /* Aggregate route's community. */ | |
| 355 | struct community *community; | |
| 356 | ||
| 357 | /* Aggregate route's extended community. */ | |
| 358 | struct ecommunity *ecommunity; | |
| 359 | ||
| 360 | /* Aggregate route's large community. */ | |
| 361 | struct lcommunity *lcommunity; | |
| 362 | ||
| 363 | /* Aggregate route's as-path. */ | |
| 364 | struct aspath *aspath; | |
| 365 | ||
| 366 | /* SAFI configuration. */ | |
| 367 | safi_t safi; | |
| 368 | }; | |
| 369 | ||
| d62a17ae | 370 | #define BGP_NEXTHOP_AFI_FROM_NHLEN(nhlen) \ |
| 371 | ((nhlen) < IPV4_MAX_BYTELEN \ | |
| 372 | ? 0 \ | |
| 373 | : ((nhlen) < IPV6_MAX_BYTELEN ? AFI_IP : AFI_IP6)) | |
| fe3ca08f | 374 | |
| d62a17ae | 375 | #define BGP_ATTR_NEXTHOP_AFI_IP6(attr) \ |
| 376 | (!CHECK_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_NEXT_HOP)) \ | |
| dc94fe42 RW |
377 | && ((attr)->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL \ |
| 378 | || (attr)->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL \ | |
| 379 | || (attr)->mp_nexthop_len == BGP_ATTR_NHLEN_VPNV6_GLOBAL \ | |
| 380 | || (attr)->mp_nexthop_len == BGP_ATTR_NHLEN_VPNV6_GLOBAL_AND_LL)) | |
| 1defdda8 DS |
381 | #define BGP_PATH_COUNTABLE(BI) \ |
| 382 | (!CHECK_FLAG((BI)->flags, BGP_PATH_HISTORY) \ | |
| 383 | && !CHECK_FLAG((BI)->flags, BGP_PATH_REMOVED)) | |
| 80e0ad24 | 384 | |
| 1a392d46 | 385 | /* Flags which indicate a route is unuseable in some form */ |
| 1defdda8 DS |
386 | #define BGP_PATH_UNUSEABLE \ |
| 387 | (BGP_PATH_HISTORY | BGP_PATH_DAMPED | BGP_PATH_REMOVED) | |
| 1a392d46 PJ |
388 | /* Macro to check BGP information is alive or not. Sadly, |
| 389 | * not equivalent to just checking previous, because of the | |
| 390 | * sense of the additional VALID flag. | |
| 391 | */ | |
| 1defdda8 DS |
392 | #define BGP_PATH_HOLDDOWN(BI) \ |
| 393 | (!CHECK_FLAG((BI)->flags, BGP_PATH_VALID) \ | |
| 394 | || CHECK_FLAG((BI)->flags, BGP_PATH_UNUSEABLE)) | |
| 1a392d46 | 395 | |
| 718e3744 | 396 | #define DISTRIBUTE_IN_NAME(F) ((F)->dlist[FILTER_IN].name) |
| 397 | #define DISTRIBUTE_IN(F) ((F)->dlist[FILTER_IN].alist) | |
| 398 | #define DISTRIBUTE_OUT_NAME(F) ((F)->dlist[FILTER_OUT].name) | |
| 399 | #define DISTRIBUTE_OUT(F) ((F)->dlist[FILTER_OUT].alist) | |
| 400 | ||
| 401 | #define PREFIX_LIST_IN_NAME(F) ((F)->plist[FILTER_IN].name) | |
| 402 | #define PREFIX_LIST_IN(F) ((F)->plist[FILTER_IN].plist) | |
| 403 | #define PREFIX_LIST_OUT_NAME(F) ((F)->plist[FILTER_OUT].name) | |
| 404 | #define PREFIX_LIST_OUT(F) ((F)->plist[FILTER_OUT].plist) | |
| 405 | ||
| 406 | #define FILTER_LIST_IN_NAME(F) ((F)->aslist[FILTER_IN].name) | |
| 407 | #define FILTER_LIST_IN(F) ((F)->aslist[FILTER_IN].aslist) | |
| 408 | #define FILTER_LIST_OUT_NAME(F) ((F)->aslist[FILTER_OUT].name) | |
| 409 | #define FILTER_LIST_OUT(F) ((F)->aslist[FILTER_OUT].aslist) | |
| 410 | ||
| fee0f4c6 | 411 | #define ROUTE_MAP_IN_NAME(F) ((F)->map[RMAP_IN].name) |
| 412 | #define ROUTE_MAP_IN(F) ((F)->map[RMAP_IN].map) | |
| 413 | #define ROUTE_MAP_OUT_NAME(F) ((F)->map[RMAP_OUT].name) | |
| 414 | #define ROUTE_MAP_OUT(F) ((F)->map[RMAP_OUT].map) | |
| 415 | ||
| 718e3744 | 416 | #define UNSUPPRESS_MAP_NAME(F) ((F)->usmap.name) |
| 417 | #define UNSUPPRESS_MAP(F) ((F)->usmap.map) | |
| 418 | ||
| 2ec1e66f DW |
419 | /* path PREFIX (addpath rxid NUMBER) */ |
| 420 | #define PATH_ADDPATH_STR_BUFFER PREFIX2STR_BUFFER + 32 | |
| 421 | ||
| 360660c6 DS |
422 | enum bgp_path_type { |
| 423 | BGP_PATH_SHOW_ALL, | |
| 424 | BGP_PATH_SHOW_BESTPATH, | |
| 425 | BGP_PATH_SHOW_MULTIPATH | |
| 426 | }; | |
| 4092b06c | 427 | |
| d62a17ae | 428 | static inline void bgp_bump_version(struct bgp_node *node) |
| 3f9c7369 | 429 | { |
| d62a17ae | 430 | node->version = bgp_table_next_version(bgp_node_table(node)); |
| 3f9c7369 DS |
431 | } |
| 432 | ||
| d62a17ae | 433 | static inline int bgp_fibupd_safi(safi_t safi) |
| cd1964ff | 434 | { |
| d62a17ae | 435 | if (safi == SAFI_UNICAST || safi == SAFI_MULTICAST |
| 529efa23 PG |
436 | || safi == SAFI_LABELED_UNICAST |
| 437 | || safi == SAFI_FLOWSPEC) | |
| d62a17ae | 438 | return 1; |
| 439 | return 0; | |
| cd1964ff DS |
440 | } |
| 441 | ||
| 0a2f9ac1 | 442 | /* Flag if the route path's family matches params. */ |
| 443 | static inline bool is_pi_family_matching(struct bgp_path_info *pi, | |
| 444 | afi_t afi, safi_t safi) | |
| 445 | { | |
| 446 | struct bgp_table *table; | |
| 447 | struct bgp_node *rn; | |
| 448 | ||
| 449 | rn = pi->net; | |
| 450 | if (!rn) | |
| 451 | return false; | |
| 452 | table = bgp_node_table(rn); | |
| 453 | if (table && | |
| 454 | table->afi == afi && | |
| 455 | table->safi == safi) | |
| 456 | return true; | |
| 457 | return false; | |
| 458 | } | |
| 459 | ||
| 4a11bf2c DL |
460 | /* called before bgp_process() */ |
| 461 | DECLARE_HOOK(bgp_process, | |
| 462 | (struct bgp *bgp, afi_t afi, safi_t safi, | |
| 463 | struct bgp_node *bn, struct peer *peer, bool withdraw), | |
| 464 | (bgp, afi, safi, bn, peer, withdraw)) | |
| 465 | ||
| 718e3744 | 466 | /* Prototypes. */ |
| 40381db7 | 467 | extern void bgp_rib_remove(struct bgp_node *rn, struct bgp_path_info *pi, |
| db0e1937 | 468 | struct peer *peer, afi_t afi, safi_t safi); |
| d62a17ae | 469 | extern void bgp_process_queue_init(void); |
| 470 | extern void bgp_route_init(void); | |
| 471 | extern void bgp_route_finish(void); | |
| 472 | extern void bgp_cleanup_routes(struct bgp *); | |
| 473 | extern void bgp_announce_route(struct peer *, afi_t, safi_t); | |
| 3f9c7369 | 474 | extern void bgp_stop_announce_route_timer(struct peer_af *paf); |
| d62a17ae | 475 | extern void bgp_announce_route_all(struct peer *); |
| 476 | extern void bgp_default_originate(struct peer *, afi_t, safi_t, int); | |
| 477 | extern void bgp_soft_reconfig_in(struct peer *, afi_t, safi_t); | |
| 478 | extern void bgp_clear_route(struct peer *, afi_t, safi_t); | |
| 479 | extern void bgp_clear_route_all(struct peer *); | |
| 480 | extern void bgp_clear_adj_in(struct peer *, afi_t, safi_t); | |
| 481 | extern void bgp_clear_stale_route(struct peer *, afi_t, safi_t); | |
| 9dac9fc8 DA |
482 | extern int bgp_outbound_policy_exists(struct peer *, struct bgp_filter *); |
| 483 | extern int bgp_inbound_policy_exists(struct peer *, struct bgp_filter *); | |
| d62a17ae | 484 | |
| 485 | extern struct bgp_node *bgp_afi_node_get(struct bgp_table *table, afi_t afi, | |
| 486 | safi_t safi, struct prefix *p, | |
| 487 | struct prefix_rd *prd); | |
| 18ee8310 DS |
488 | extern struct bgp_path_info *bgp_path_info_lock(struct bgp_path_info *path); |
| 489 | extern struct bgp_path_info *bgp_path_info_unlock(struct bgp_path_info *path); | |
| 40381db7 | 490 | extern void bgp_path_info_add(struct bgp_node *rn, struct bgp_path_info *pi); |
| a2e219fe | 491 | extern void bgp_path_info_extra_free(struct bgp_path_info_extra **extra); |
| 40381db7 DS |
492 | extern void bgp_path_info_reap(struct bgp_node *rn, struct bgp_path_info *pi); |
| 493 | extern void bgp_path_info_delete(struct bgp_node *rn, struct bgp_path_info *pi); | |
| 4b7e6066 | 494 | extern struct bgp_path_info_extra * |
| 18ee8310 DS |
495 | bgp_path_info_extra_get(struct bgp_path_info *path); |
| 496 | extern void bgp_path_info_set_flag(struct bgp_node *rn, | |
| 497 | struct bgp_path_info *path, uint32_t flag); | |
| 498 | extern void bgp_path_info_unset_flag(struct bgp_node *rn, | |
| 499 | struct bgp_path_info *path, uint32_t flag); | |
| 40381db7 | 500 | extern void bgp_path_info_path_with_addpath_rx_str(struct bgp_path_info *pi, |
| 18ee8310 | 501 | char *buf); |
| d62a17ae | 502 | |
| 503 | extern int bgp_nlri_parse_ip(struct peer *, struct attr *, struct bgp_nlri *); | |
| 504 | ||
| 505 | extern int bgp_maximum_prefix_overflow(struct peer *, afi_t, safi_t, int); | |
| 506 | ||
| 9de1f7ff DS |
507 | extern void bgp_redistribute_add(struct bgp *bgp, struct prefix *p, |
| 508 | const union g_addr *nexthop, ifindex_t ifindex, | |
| 509 | enum nexthop_types_t nhtype, uint32_t metric, | |
| d7c0a89a | 510 | uint8_t type, unsigned short instance, |
| 9de1f7ff | 511 | route_tag_t tag); |
| d7c0a89a QY |
512 | extern void bgp_redistribute_delete(struct bgp *, struct prefix *, uint8_t, |
| 513 | unsigned short); | |
| 514 | extern void bgp_redistribute_withdraw(struct bgp *, afi_t, int, unsigned short); | |
| d62a17ae | 515 | |
| 516 | extern void bgp_static_add(struct bgp *); | |
| 517 | extern void bgp_static_delete(struct bgp *); | |
| 518 | extern void bgp_static_redo_import_check(struct bgp *); | |
| 519 | extern void bgp_purge_static_redist_routes(struct bgp *bgp); | |
| 520 | extern void bgp_static_update(struct bgp *, struct prefix *, | |
| 521 | struct bgp_static *, afi_t, safi_t); | |
| 522 | extern void bgp_static_withdraw(struct bgp *, struct prefix *, afi_t, safi_t); | |
| 523 | ||
| 524 | extern int bgp_static_set_safi(afi_t afi, safi_t safi, struct vty *vty, | |
| 525 | const char *, const char *, const char *, | |
| 526 | const char *, int, const char *, const char *, | |
| 527 | const char *, const char *); | |
| 528 | ||
| 529 | extern int bgp_static_unset_safi(afi_t afi, safi_t safi, struct vty *, | |
| 530 | const char *, const char *, const char *, int, | |
| 531 | const char *, const char *, const char *); | |
| 718e3744 | 532 | |
| 94f2b392 | 533 | /* this is primarily for MPLS-VPN */ |
| d7c0a89a | 534 | extern int bgp_update(struct peer *, struct prefix *, uint32_t, struct attr *, |
| d62a17ae | 535 | afi_t, safi_t, int, int, struct prefix_rd *, |
| d7c0a89a QY |
536 | mpls_label_t *, uint32_t, int, struct bgp_route_evpn *); |
| 537 | extern int bgp_withdraw(struct peer *, struct prefix *, uint32_t, struct attr *, | |
| 538 | afi_t, safi_t, int, int, struct prefix_rd *, | |
| 539 | mpls_label_t *, uint32_t, struct bgp_route_evpn *); | |
| 718e3744 | 540 | |
| 94f2b392 | 541 | /* for bgp_nexthop and bgp_damp */ |
| d62a17ae | 542 | extern void bgp_process(struct bgp *, struct bgp_node *, afi_t, safi_t); |
| cb1faec9 DS |
543 | |
| 544 | /* | |
| 545 | * Add an end-of-initial-update marker to the process queue. This is just a | |
| 546 | * queue element with NULL bgp node. | |
| 547 | */ | |
| d62a17ae | 548 | extern void bgp_add_eoiu_mark(struct bgp *); |
| 60466a63 QY |
549 | extern void bgp_config_write_table_map(struct vty *, struct bgp *, afi_t, |
| 550 | safi_t); | |
| 2b791107 | 551 | extern void bgp_config_write_network(struct vty *, struct bgp *, afi_t, safi_t); |
| 60466a63 QY |
552 | extern void bgp_config_write_distance(struct vty *, struct bgp *, afi_t, |
| 553 | safi_t); | |
| d62a17ae | 554 | |
| 20894f50 DA |
555 | extern void bgp_aggregate_delete(struct bgp *bgp, struct prefix *p, afi_t afi, |
| 556 | safi_t safi, struct bgp_aggregate *aggregate); | |
| 557 | extern void bgp_aggregate_route(struct bgp *bgp, struct prefix *p, afi_t afi, | |
| 558 | safi_t safi, struct bgp_aggregate *aggregate); | |
| 4b7e6066 DS |
559 | extern void bgp_aggregate_increment(struct bgp *bgp, struct prefix *p, |
| 560 | struct bgp_path_info *path, afi_t afi, | |
| 561 | safi_t safi); | |
| 562 | extern void bgp_aggregate_decrement(struct bgp *bgp, struct prefix *p, | |
| 563 | struct bgp_path_info *path, afi_t afi, | |
| 564 | safi_t safi); | |
| d62a17ae | 565 | |
| 4b7e6066 DS |
566 | extern uint8_t bgp_distance_apply(struct prefix *p, struct bgp_path_info *path, |
| 567 | afi_t afi, safi_t safi, struct bgp *bgp); | |
| d62a17ae | 568 | |
| 569 | extern afi_t bgp_node_afi(struct vty *); | |
| 570 | extern safi_t bgp_node_safi(struct vty *); | |
| 571 | ||
| 4b7e6066 DS |
572 | extern struct bgp_path_info *info_make(int type, int sub_type, |
| 573 | unsigned short instance, | |
| 574 | struct peer *peer, struct attr *attr, | |
| 575 | struct bgp_node *rn); | |
| 576 | ||
| 577 | extern void route_vty_out(struct vty *vty, struct prefix *p, | |
| 578 | struct bgp_path_info *path, int display, safi_t safi, | |
| 579 | json_object *json_paths); | |
| 580 | extern void route_vty_out_tag(struct vty *vty, struct prefix *p, | |
| 581 | struct bgp_path_info *path, int display, | |
| 582 | safi_t safi, json_object *json); | |
| 94d4c685 DS |
583 | extern void route_vty_out_tmp(struct vty *vty, struct prefix *p, |
| 584 | struct attr *attr, safi_t safi, bool use_json, | |
| 585 | json_object *json_ar); | |
| d62a17ae | 586 | extern void route_vty_out_overlay(struct vty *vty, struct prefix *p, |
| 9b6d8fcf | 587 | struct bgp_path_info *path, int display, |
| d62a17ae | 588 | json_object *json); |
| 589 | ||
| 590 | extern int subgroup_process_announce_selected(struct update_subgroup *subgrp, | |
| 4b7e6066 | 591 | struct bgp_path_info *selected, |
| d62a17ae | 592 | struct bgp_node *rn, |
| d7c0a89a | 593 | uint32_t addpath_tx_id); |
| 3f9c7369 | 594 | |
| 4b7e6066 | 595 | extern int subgroup_announce_check(struct bgp_node *rn, |
| 40381db7 | 596 | struct bgp_path_info *pi, |
| 3f9c7369 DS |
597 | struct update_subgroup *subgrp, |
| 598 | struct prefix *p, struct attr *attr); | |
| 599 | ||
| d62a17ae | 600 | extern void bgp_peer_clear_node_queue_drain_immediate(struct peer *peer); |
| 601 | extern void bgp_process_queues_drain_immediate(void); | |
| bb86c601 | 602 | |
| 65efcfce | 603 | /* for encap/vpn */ |
| d62a17ae | 604 | extern struct bgp_node *bgp_afi_node_lookup(struct bgp_table *table, afi_t afi, |
| 605 | safi_t safi, struct prefix *p, | |
| 606 | struct prefix_rd *prd); | |
| 18ee8310 DS |
607 | extern void bgp_path_info_restore(struct bgp_node *rn, |
| 608 | struct bgp_path_info *path); | |
| 609 | ||
| 610 | extern int bgp_path_info_cmp_compatible(struct bgp *bgp, | |
| 611 | struct bgp_path_info *new, | |
| 612 | struct bgp_path_info *exist, | |
| fdf81fa0 DS |
613 | char *pfx_buf, afi_t afi, safi_t safi, |
| 614 | enum bgp_path_selection_reason *reason); | |
| 7f323236 | 615 | extern void bgp_attr_add_gshut_community(struct attr *attr); |
| d62a17ae | 616 | |
| 617 | extern void bgp_best_selection(struct bgp *bgp, struct bgp_node *rn, | |
| 618 | struct bgp_maxpaths_cfg *mpath_cfg, | |
| 4b7e6066 | 619 | struct bgp_path_info_pair *result, afi_t afi, |
| d62a17ae | 620 | safi_t safi); |
| 621 | extern void bgp_zebra_clear_route_change_flags(struct bgp_node *rn); | |
| 622 | extern int bgp_zebra_has_route_changed(struct bgp_node *rn, | |
| 4b7e6066 | 623 | struct bgp_path_info *selected); |
| d62a17ae | 624 | |
| 625 | extern void route_vty_out_detail_header(struct vty *vty, struct bgp *bgp, | |
| 626 | struct bgp_node *rn, | |
| 627 | struct prefix_rd *prd, afi_t afi, | |
| 628 | safi_t safi, json_object *json); | |
| 629 | extern void route_vty_out_detail(struct vty *vty, struct bgp *bgp, | |
| f08b5ca0 DS |
630 | struct bgp_node *bn, |
| 631 | struct bgp_path_info *path, | |
| d62a17ae | 632 | afi_t afi, safi_t safi, |
| 633 | json_object *json_paths); | |
| 1ae44dfc LB |
634 | extern int bgp_show_table_rd(struct vty *vty, struct bgp *bgp, safi_t safi, |
| 635 | struct bgp_table *table, struct prefix_rd *prd, | |
| 636 | enum bgp_show_type type, void *output_arg, | |
| 9f049418 | 637 | bool use_json); |
| 00d252cb | 638 | #endif /* _QUAGGA_BGP_ROUTE_H */ |