]>
Commit | Line | Data |
---|---|---|
54d48ea1 | 1 | /* |
2 | * Zebra MPLS Data structures and definitions | |
3 | * Copyright (C) 2015 Cumulus Networks, Inc. | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
54d48ea1 | 20 | */ |
21 | ||
22 | #ifndef _ZEBRA_MPLS_H | |
23 | #define _ZEBRA_MPLS_H | |
24 | ||
25 | #include "prefix.h" | |
26 | #include "table.h" | |
27 | #include "queue.h" | |
28 | #include "hash.h" | |
29 | #include "jhash.h" | |
30 | #include "nexthop.h" | |
31 | #include "vty.h" | |
32 | #include "memory.h" | |
33 | #include "mpls.h" | |
34 | #include "zebra/zserv.h" | |
939fba27 | 35 | #include "zebra/zebra_vrf.h" |
54d48ea1 | 36 | |
51e94aa7 EDP |
37 | #ifdef __cplusplus |
38 | extern "C" { | |
39 | #endif | |
54d48ea1 | 40 | |
41 | /* Definitions and macros. */ | |
42 | ||
d62a17ae | 43 | #define NHLFE_FAMILY(nhlfe) \ |
44 | (((nhlfe)->nexthop->type == NEXTHOP_TYPE_IPV6 \ | |
45 | || (nhlfe)->nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX) \ | |
46 | ? AF_INET6 \ | |
47 | : AF_INET) | |
54d48ea1 | 48 | |
54d48ea1 | 49 | /* Typedefs */ |
50 | ||
51 | typedef struct zebra_ile_t_ zebra_ile_t; | |
52 | typedef struct zebra_snhlfe_t_ zebra_snhlfe_t; | |
53 | typedef struct zebra_slsp_t_ zebra_slsp_t; | |
54 | typedef struct zebra_nhlfe_t_ zebra_nhlfe_t; | |
55 | typedef struct zebra_lsp_t_ zebra_lsp_t; | |
f31e084c | 56 | typedef struct zebra_fec_t_ zebra_fec_t; |
54d48ea1 | 57 | |
ee70f629 MS |
58 | /* Declare LSP nexthop list types */ |
59 | PREDECL_DLIST(snhlfe_list); | |
60 | PREDECL_DLIST(nhlfe_list); | |
61 | ||
54d48ea1 | 62 | /* |
63 | * (Outgoing) nexthop label forwarding entry configuration | |
64 | */ | |
d62a17ae | 65 | struct zebra_snhlfe_t_ { |
66 | /* Nexthop information */ | |
67 | enum nexthop_types_t gtype; | |
68 | union g_addr gate; | |
69 | char *ifname; | |
70 | ifindex_t ifindex; | |
54d48ea1 | 71 | |
d62a17ae | 72 | /* Out label. */ |
73 | mpls_label_t out_label; | |
54d48ea1 | 74 | |
d62a17ae | 75 | /* Backpointer to base entry. */ |
76 | zebra_slsp_t *slsp; | |
54d48ea1 | 77 | |
ee70f629 MS |
78 | /* Linkage for LSPs' lists */ |
79 | struct snhlfe_list_item list; | |
54d48ea1 | 80 | }; |
81 | ||
82 | /* | |
83 | * (Outgoing) nexthop label forwarding entry | |
84 | */ | |
d62a17ae | 85 | struct zebra_nhlfe_t_ { |
86 | /* Type of entry - static etc. */ | |
87 | enum lsp_types_t type; | |
54d48ea1 | 88 | |
d62a17ae | 89 | /* Nexthop information (with outgoing label) */ |
90 | struct nexthop *nexthop; | |
54d48ea1 | 91 | |
d62a17ae | 92 | /* Backpointer to base entry. */ |
93 | zebra_lsp_t *lsp; | |
54d48ea1 | 94 | |
d62a17ae | 95 | /* Runtime info - flags, pointers etc. */ |
d7c0a89a | 96 | uint32_t flags; |
54d48ea1 | 97 | #define NHLFE_FLAG_CHANGED (1 << 0) |
98 | #define NHLFE_FLAG_SELECTED (1 << 1) | |
99 | #define NHLFE_FLAG_MULTIPATH (1 << 2) | |
100 | #define NHLFE_FLAG_DELETED (1 << 3) | |
101 | #define NHLFE_FLAG_INSTALLED (1 << 4) | |
cd4bb96f | 102 | #define NHLFE_FLAG_IS_BACKUP (1 << 5) |
54d48ea1 | 103 | |
d7c0a89a | 104 | uint8_t distance; |
ee70f629 MS |
105 | |
106 | /* Linkage for LSPs' lists */ | |
107 | struct nhlfe_list_item list; | |
54d48ea1 | 108 | }; |
109 | ||
110 | /* | |
111 | * Incoming label entry | |
112 | */ | |
d62a17ae | 113 | struct zebra_ile_t_ { |
114 | mpls_label_t in_label; | |
54d48ea1 | 115 | }; |
116 | ||
117 | /* | |
118 | * Label swap entry static configuration. | |
119 | */ | |
d62a17ae | 120 | struct zebra_slsp_t_ { |
121 | /* Incoming label */ | |
122 | zebra_ile_t ile; | |
54d48ea1 | 123 | |
d62a17ae | 124 | /* List of outgoing nexthop static configuration */ |
ee70f629 | 125 | struct snhlfe_list_head snhlfe_list; |
54d48ea1 | 126 | }; |
127 | ||
128 | /* | |
129 | * Label swap entry (ile -> list of nhlfes) | |
130 | */ | |
d62a17ae | 131 | struct zebra_lsp_t_ { |
132 | /* Incoming label */ | |
133 | zebra_ile_t ile; | |
54d48ea1 | 134 | |
ee70f629 MS |
135 | /* List of NHLFEs, pointer to best, and num equal-cost. */ |
136 | struct nhlfe_list_head nhlfe_list; | |
137 | ||
d62a17ae | 138 | zebra_nhlfe_t *best_nhlfe; |
d7c0a89a | 139 | uint32_t num_ecmp; |
54d48ea1 | 140 | |
cd4bb96f MS |
141 | /* Backup nhlfes, if present. The nexthop in a primary/active nhlfe |
142 | * refers to its backup (if any) by index, so the order of this list | |
143 | * is significant. | |
144 | */ | |
145 | struct nhlfe_list_head backup_nhlfe_list; | |
146 | ||
d62a17ae | 147 | /* Flags */ |
d7c0a89a | 148 | uint32_t flags; |
54d48ea1 | 149 | #define LSP_FLAG_SCHEDULED (1 << 0) |
150 | #define LSP_FLAG_INSTALLED (1 << 1) | |
151 | #define LSP_FLAG_CHANGED (1 << 2) | |
152 | ||
d62a17ae | 153 | /* Address-family of NHLFE - saved here for delete. All NHLFEs */ |
154 | /* have to be of the same AF */ | |
d7c0a89a | 155 | uint8_t addr_family; |
54d48ea1 | 156 | }; |
157 | ||
f31e084c DS |
158 | /* |
159 | * FEC to label binding. | |
160 | */ | |
d62a17ae | 161 | struct zebra_fec_t_ { |
162 | /* FEC (prefix) */ | |
163 | struct route_node *rn; | |
f31e084c | 164 | |
d62a17ae | 165 | /* In-label - either statically bound or derived from label block. */ |
166 | mpls_label_t label; | |
f31e084c | 167 | |
d62a17ae | 168 | /* Label index (into global label block), if valid */ |
d7c0a89a | 169 | uint32_t label_index; |
28d58fd7 | 170 | |
d62a17ae | 171 | /* Flags. */ |
d7c0a89a | 172 | uint32_t flags; |
f31e084c | 173 | #define FEC_FLAG_CONFIGURED (1 << 0) |
5aba114a | 174 | |
d62a17ae | 175 | /* Clients interested in this FEC. */ |
176 | struct list *client_list; | |
f31e084c | 177 | }; |
54d48ea1 | 178 | |
ee70f629 MS |
179 | /* Declare typesafe list apis/macros */ |
180 | DECLARE_DLIST(nhlfe_list, struct zebra_nhlfe_t_, list); | |
181 | ||
7758e3f3 | 182 | /* Function declarations. */ |
183 | ||
1b6d5c7e VV |
184 | /* |
185 | * Add/update global label block. | |
186 | */ | |
d7c0a89a QY |
187 | int zebra_mpls_label_block_add(struct zebra_vrf *zvrf, uint32_t start_label, |
188 | uint32_t end_label); | |
1b6d5c7e VV |
189 | |
190 | /* | |
191 | * Delete global label block. | |
192 | */ | |
d62a17ae | 193 | int zebra_mpls_label_block_del(struct zebra_vrf *vrf); |
1b6d5c7e VV |
194 | |
195 | /* | |
196 | * Display MPLS global label block configuration (VTY command handler). | |
197 | */ | |
d62a17ae | 198 | int zebra_mpls_write_label_block_config(struct vty *vty, struct zebra_vrf *vrf); |
1b6d5c7e | 199 | |
a64448ba DS |
200 | /* |
201 | * Install dynamic LSP entry. | |
202 | */ | |
d62a17ae | 203 | int zebra_mpls_lsp_install(struct zebra_vrf *zvrf, struct route_node *rn, |
204 | struct route_entry *re); | |
a64448ba DS |
205 | |
206 | /* | |
d62a17ae | 207 | * Uninstall dynamic LSP entry, if any. |
a64448ba | 208 | */ |
d62a17ae | 209 | int zebra_mpls_lsp_uninstall(struct zebra_vrf *zvrf, struct route_node *rn, |
210 | struct route_entry *re); | |
a64448ba | 211 | |
d4cb23d7 MS |
212 | /* Add an NHLFE to an LSP, return the newly-added object */ |
213 | zebra_nhlfe_t *zebra_mpls_lsp_add_nhlfe(zebra_lsp_t *lsp, | |
214 | enum lsp_types_t lsp_type, | |
215 | enum nexthop_types_t gtype, | |
963a9803 | 216 | const union g_addr *gate, |
d4cb23d7 | 217 | ifindex_t ifindex, |
5065db0a | 218 | uint8_t num_labels, |
cd4bb96f MS |
219 | const mpls_label_t *out_labels); |
220 | ||
221 | /* Add or update a backup NHLFE for an LSP; return the object */ | |
222 | zebra_nhlfe_t *zebra_mpls_lsp_add_backup_nhlfe(zebra_lsp_t *lsp, | |
223 | enum lsp_types_t lsp_type, | |
224 | enum nexthop_types_t gtype, | |
963a9803 | 225 | const union g_addr *gate, |
cd4bb96f MS |
226 | ifindex_t ifindex, |
227 | uint8_t num_labels, | |
228 | const mpls_label_t *out_labels); | |
229 | ||
230 | /* | |
231 | * Add NHLFE or backup NHLFE to an LSP based on a nexthop. These just maintain | |
232 | * the LSP and NHLFE objects; nothing is scheduled for processing. | |
233 | * Return: the newly-added object | |
234 | */ | |
235 | zebra_nhlfe_t *zebra_mpls_lsp_add_nh(zebra_lsp_t *lsp, | |
236 | enum lsp_types_t lsp_type, | |
237 | const struct nexthop *nh); | |
238 | zebra_nhlfe_t *zebra_mpls_lsp_add_backup_nh(zebra_lsp_t *lsp, | |
239 | enum lsp_types_t lsp_type, | |
240 | const struct nexthop *nh); | |
d4cb23d7 MS |
241 | |
242 | /* Free an allocated NHLFE */ | |
cd4bb96f | 243 | void zebra_mpls_nhlfe_free(zebra_nhlfe_t *nhlfe); |
d4cb23d7 | 244 | |
d62a17ae | 245 | int zebra_mpls_fec_register(struct zebra_vrf *zvrf, struct prefix *p, |
57592a53 AD |
246 | uint32_t label, uint32_t label_index, |
247 | struct zserv *client); | |
5aba114a DS |
248 | |
249 | /* | |
250 | * Deregistration from a client for the label binding for a FEC. The FEC | |
251 | * itself is deleted if no other registered clients exist and there is no | |
252 | * label bound to the FEC. | |
253 | */ | |
d62a17ae | 254 | int zebra_mpls_fec_unregister(struct zebra_vrf *zvrf, struct prefix *p, |
255 | struct zserv *client); | |
5aba114a | 256 | |
f31e084c DS |
257 | /* |
258 | * Return FEC (if any) to which this label is bound. | |
259 | * Note: Only works for per-prefix binding and when the label is not | |
260 | * implicit-null. | |
261 | * TODO: Currently walks entire table, can optimize later with another | |
262 | * hash.. | |
263 | */ | |
d62a17ae | 264 | zebra_fec_t *zebra_mpls_fec_for_label(struct zebra_vrf *zvrf, |
265 | mpls_label_t label); | |
f31e084c DS |
266 | |
267 | /* | |
268 | * Inform if specified label is currently bound to a FEC or not. | |
269 | */ | |
d62a17ae | 270 | int zebra_mpls_label_already_bound(struct zebra_vrf *zvrf, mpls_label_t label); |
f31e084c DS |
271 | |
272 | /* | |
5aba114a | 273 | * Add static FEC to label binding. If there are clients registered for this |
a64448ba DS |
274 | * FEC, notify them. If there are labeled routes for this FEC, install the |
275 | * label forwarding entry. | |
f31e084c | 276 | */ |
d62a17ae | 277 | int zebra_mpls_static_fec_add(struct zebra_vrf *zvrf, struct prefix *p, |
278 | mpls_label_t in_label); | |
f31e084c DS |
279 | |
280 | /* | |
5aba114a DS |
281 | * Remove static FEC to label binding. If there are no clients registered |
282 | * for this FEC, delete the FEC; else notify clients. | |
28d58fd7 VV |
283 | * Note: Upon delete of static binding, if label index exists for this FEC, |
284 | * client may need to be updated with derived label. | |
f31e084c | 285 | */ |
d62a17ae | 286 | int zebra_mpls_static_fec_del(struct zebra_vrf *zvrf, struct prefix *p); |
f31e084c DS |
287 | |
288 | /* | |
289 | * Display MPLS FEC to label binding configuration (VTY command handler). | |
290 | */ | |
d62a17ae | 291 | int zebra_mpls_write_fec_config(struct vty *vty, struct zebra_vrf *zvrf); |
f31e084c DS |
292 | |
293 | /* | |
294 | * Display MPLS FEC to label binding (VTY command handler). | |
295 | */ | |
d62a17ae | 296 | void zebra_mpls_print_fec_table(struct vty *vty, struct zebra_vrf *zvrf); |
f31e084c DS |
297 | |
298 | /* | |
299 | * Display MPLS FEC to label binding for a specific FEC (VTY command handler). | |
300 | */ | |
d62a17ae | 301 | void zebra_mpls_print_fec(struct vty *vty, struct zebra_vrf *zvrf, |
302 | struct prefix *p); | |
f31e084c | 303 | |
ce549947 | 304 | /* |
f2e7f4eb MS |
305 | * Handle zapi request to install/uninstall LSP and |
306 | * (optionally) FEC-To-NHLFE (FTN) bindings. | |
ce549947 | 307 | */ |
f2e7f4eb MS |
308 | int mpls_zapi_labels_process(bool add_p, struct zebra_vrf *zvrf, |
309 | const struct zapi_labels *zl); | |
ce549947 | 310 | |
ea6b290b RW |
311 | /* |
312 | * Uninstall all NHLFEs bound to a single FEC. | |
313 | */ | |
314 | int mpls_ftn_uninstall(struct zebra_vrf *zvrf, enum lsp_types_t type, | |
315 | struct prefix *prefix, uint8_t route_type, | |
316 | unsigned short route_instance); | |
317 | ||
ce549947 RW |
318 | /* |
319 | * Install/update a NHLFE for an LSP in the forwarding table. This may be | |
320 | * a new LSP entry or a new NHLFE for an existing in-label or an update of | |
5065db0a | 321 | * the out-label(s) for an existing NHLFE (update case). |
ce549947 | 322 | */ |
d62a17ae | 323 | int mpls_lsp_install(struct zebra_vrf *zvrf, enum lsp_types_t type, |
5065db0a | 324 | mpls_label_t in_label, uint8_t num_out_labels, |
cd4bb96f | 325 | const mpls_label_t *out_labels, enum nexthop_types_t gtype, |
e4a1ec74 | 326 | const union g_addr *gate, ifindex_t ifindex); |
ce549947 RW |
327 | |
328 | /* | |
329 | * Uninstall a particular NHLFE in the forwarding table. If this is | |
330 | * the only NHLFE, the entire LSP forwarding entry has to be deleted. | |
331 | */ | |
d62a17ae | 332 | int mpls_lsp_uninstall(struct zebra_vrf *zvrf, enum lsp_types_t type, |
333 | mpls_label_t in_label, enum nexthop_types_t gtype, | |
cc1b9746 MS |
334 | const union g_addr *gate, ifindex_t ifindex, |
335 | bool backup_p); | |
ce549947 RW |
336 | |
337 | /* | |
ea6b290b | 338 | * Uninstall all NHLFEs for a particular LSP forwarding entry. |
ce549947 | 339 | */ |
ea6b290b RW |
340 | int mpls_lsp_uninstall_all_vrf(struct zebra_vrf *zvrf, enum lsp_types_t type, |
341 | mpls_label_t in_label); | |
ce549947 | 342 | |
1c1cf002 | 343 | #if defined(HAVE_CUMULUS) |
7758e3f3 | 344 | /* |
345 | * Check that the label values used in LSP creation are consistent. The | |
346 | * main criteria is that if there is ECMP, the label operation must still | |
347 | * be consistent - i.e., all paths either do a swap or do PHP. This is due | |
348 | * to current HW restrictions. | |
349 | */ | |
d62a17ae | 350 | int zebra_mpls_lsp_label_consistent(struct zebra_vrf *zvrf, |
351 | mpls_label_t in_label, | |
352 | mpls_label_t out_label, | |
353 | enum nexthop_types_t gtype, | |
354 | union g_addr *gate, ifindex_t ifindex); | |
1c1cf002 | 355 | #endif /* HAVE_CUMULUS */ |
7758e3f3 | 356 | |
357 | /* | |
358 | * Add static LSP entry. This may be the first entry for this incoming label | |
359 | * or an additional nexthop; an existing entry may also have outgoing label | |
360 | * changed. | |
361 | * Note: The label operation (swap or PHP) is common for the LSP entry (all | |
362 | * NHLFEs). | |
363 | */ | |
d62a17ae | 364 | int zebra_mpls_static_lsp_add(struct zebra_vrf *zvrf, mpls_label_t in_label, |
365 | mpls_label_t out_label, | |
366 | enum nexthop_types_t gtype, union g_addr *gate, | |
367 | ifindex_t ifindex); | |
7758e3f3 | 368 | |
369 | /* | |
370 | * Delete static LSP entry. This may be the delete of one particular | |
371 | * NHLFE for this incoming label or the delete of the entire entry (i.e., | |
372 | * all NHLFEs). | |
373 | * NOTE: Delete of the only NHLFE will also end up deleting the entire | |
374 | * LSP configuration. | |
375 | */ | |
d62a17ae | 376 | int zebra_mpls_static_lsp_del(struct zebra_vrf *zvrf, mpls_label_t in_label, |
377 | enum nexthop_types_t gtype, union g_addr *gate, | |
378 | ifindex_t ifindex); | |
7758e3f3 | 379 | |
d37f4d6c MS |
380 | /* |
381 | * Process LSP update results from zebra dataplane. | |
382 | */ | |
383 | /* Forward ref of dplane update context type */ | |
384 | struct zebra_dplane_ctx; | |
385 | ||
386 | void zebra_mpls_lsp_dplane_result(struct zebra_dplane_ctx *ctx); | |
387 | ||
104e3ad9 MS |
388 | /* Process async dplane notifications. */ |
389 | void zebra_mpls_process_dplane_notify(struct zebra_dplane_ctx *ctx); | |
390 | ||
40c7bdb0 | 391 | /* |
392 | * Schedule all MPLS label forwarding entries for processing. | |
393 | * Called upon changes that may affect one or more of them such as | |
394 | * interface or nexthop state changes. | |
395 | */ | |
d62a17ae | 396 | void zebra_mpls_lsp_schedule(struct zebra_vrf *zvrf); |
40c7bdb0 | 397 | |
3ab18ff2 | 398 | /* |
399 | * Display MPLS label forwarding table for a specific LSP | |
400 | * (VTY command handler). | |
401 | */ | |
d62a17ae | 402 | void zebra_mpls_print_lsp(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 403 | mpls_label_t label, bool use_json); |
3ab18ff2 | 404 | |
405 | /* | |
406 | * Display MPLS label forwarding table (VTY command handler). | |
407 | */ | |
d62a17ae | 408 | void zebra_mpls_print_lsp_table(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 409 | bool use_json); |
3ab18ff2 | 410 | |
7758e3f3 | 411 | /* |
412 | * Display MPLS LSP configuration of all static LSPs (VTY command handler). | |
413 | */ | |
d62a17ae | 414 | int zebra_mpls_write_lsp_config(struct vty *vty, struct zebra_vrf *zvrf); |
7758e3f3 | 415 | |
84915b0a | 416 | /* |
417 | * Called when VRF becomes inactive, cleans up information but keeps | |
418 | * the table itself. | |
419 | * NOTE: Currently supported only for default VRF. | |
420 | */ | |
421 | void zebra_mpls_cleanup_tables(struct zebra_vrf *zvrf); | |
422 | ||
40c7bdb0 | 423 | /* |
424 | * Called upon process exiting, need to delete LSP forwarding | |
425 | * entries from the kernel. | |
426 | * NOTE: Currently supported only for default VRF. | |
427 | */ | |
d62a17ae | 428 | void zebra_mpls_close_tables(struct zebra_vrf *zvrf); |
40c7bdb0 | 429 | |
7758e3f3 | 430 | /* |
431 | * Allocate MPLS tables for this VRF. | |
432 | * NOTE: Currently supported only for default VRF. | |
433 | */ | |
d62a17ae | 434 | void zebra_mpls_init_tables(struct zebra_vrf *zvrf); |
7758e3f3 | 435 | |
436 | /* | |
437 | * Global MPLS initialization. | |
438 | */ | |
d62a17ae | 439 | void zebra_mpls_init(void); |
7758e3f3 | 440 | |
fe6c7157 RW |
441 | /* |
442 | * MPLS VTY. | |
443 | */ | |
d62a17ae | 444 | void zebra_mpls_vty_init(void); |
fe6c7157 | 445 | |
40c7bdb0 | 446 | /* Inline functions. */ |
447 | ||
448 | /* | |
449 | * Distance (priority) definition for LSP NHLFE. | |
450 | */ | |
d7c0a89a | 451 | static inline uint8_t lsp_distance(enum lsp_types_t type) |
40c7bdb0 | 452 | { |
0492eea0 RW |
453 | switch (type) { |
454 | case ZEBRA_LSP_STATIC: | |
d62a17ae | 455 | return (route_distance(ZEBRA_ROUTE_STATIC)); |
0492eea0 RW |
456 | case ZEBRA_LSP_LDP: |
457 | return (route_distance(ZEBRA_ROUTE_LDP)); | |
458 | case ZEBRA_LSP_BGP: | |
459 | return (route_distance(ZEBRA_ROUTE_BGP)); | |
339e36d2 DS |
460 | case ZEBRA_LSP_NONE: |
461 | case ZEBRA_LSP_SHARP: | |
635a039e | 462 | case ZEBRA_LSP_OSPF_SR: |
26f6acaf | 463 | case ZEBRA_LSP_ISIS_SR: |
0492eea0 RW |
464 | return 150; |
465 | } | |
339e36d2 DS |
466 | |
467 | /* | |
468 | * For some reason certain compilers do not believe | |
469 | * that all the cases have been handled. And | |
470 | * WTF does this work differently than when I removed | |
471 | * the default case???? | |
472 | */ | |
473 | return 150; | |
40c7bdb0 | 474 | } |
475 | ||
476 | /* | |
477 | * Map RIB type to LSP type. Used when labeled-routes from BGP | |
478 | * are converted into LSPs. | |
479 | */ | |
d62a17ae | 480 | static inline enum lsp_types_t lsp_type_from_re_type(int re_type) |
40c7bdb0 | 481 | { |
d62a17ae | 482 | switch (re_type) { |
483 | case ZEBRA_ROUTE_STATIC: | |
484 | return ZEBRA_LSP_STATIC; | |
635a039e RW |
485 | case ZEBRA_ROUTE_LDP: |
486 | return ZEBRA_LSP_LDP; | |
d62a17ae | 487 | case ZEBRA_ROUTE_BGP: |
488 | return ZEBRA_LSP_BGP; | |
635a039e RW |
489 | case ZEBRA_ROUTE_OSPF: |
490 | return ZEBRA_LSP_OSPF_SR; | |
26f6acaf RW |
491 | case ZEBRA_ROUTE_ISIS: |
492 | return ZEBRA_LSP_ISIS_SR; | |
339e36d2 DS |
493 | case ZEBRA_ROUTE_SHARP: |
494 | return ZEBRA_LSP_SHARP; | |
d62a17ae | 495 | default: |
496 | return ZEBRA_LSP_NONE; | |
497 | } | |
40c7bdb0 | 498 | } |
499 | ||
805444ce RW |
500 | /* |
501 | * Map LSP type to RIB type. | |
502 | */ | |
503 | static inline int re_type_from_lsp_type(enum lsp_types_t lsp_type) | |
504 | { | |
505 | switch (lsp_type) { | |
506 | case ZEBRA_LSP_STATIC: | |
507 | return ZEBRA_ROUTE_STATIC; | |
508 | case ZEBRA_LSP_LDP: | |
509 | return ZEBRA_ROUTE_LDP; | |
510 | case ZEBRA_LSP_BGP: | |
511 | return ZEBRA_ROUTE_BGP; | |
635a039e | 512 | case ZEBRA_LSP_OSPF_SR: |
7726c479 | 513 | return ZEBRA_ROUTE_OSPF; |
26f6acaf RW |
514 | case ZEBRA_LSP_ISIS_SR: |
515 | return ZEBRA_ROUTE_ISIS; | |
805444ce | 516 | case ZEBRA_LSP_NONE: |
805444ce | 517 | return ZEBRA_ROUTE_KERNEL; |
339e36d2 DS |
518 | case ZEBRA_LSP_SHARP: |
519 | return ZEBRA_ROUTE_SHARP; | |
805444ce | 520 | } |
339e36d2 DS |
521 | |
522 | /* | |
523 | * For some reason certain compilers do not believe | |
524 | * that all the cases have been handled. And | |
525 | * WTF does this work differently than when I removed | |
526 | * the default case???? | |
527 | */ | |
528 | return ZEBRA_ROUTE_KERNEL; | |
805444ce RW |
529 | } |
530 | ||
3ab18ff2 | 531 | /* NHLFE type as printable string. */ |
d62a17ae | 532 | static inline const char *nhlfe_type2str(enum lsp_types_t lsp_type) |
3ab18ff2 | 533 | { |
d62a17ae | 534 | switch (lsp_type) { |
535 | case ZEBRA_LSP_STATIC: | |
536 | return "Static"; | |
537 | case ZEBRA_LSP_LDP: | |
538 | return "LDP"; | |
539 | case ZEBRA_LSP_BGP: | |
540 | return "BGP"; | |
635a039e RW |
541 | case ZEBRA_LSP_OSPF_SR: |
542 | return "SR (OSPF)"; | |
26f6acaf RW |
543 | case ZEBRA_LSP_ISIS_SR: |
544 | return "SR (IS-IS)"; | |
339e36d2 DS |
545 | case ZEBRA_LSP_SHARP: |
546 | return "SHARP"; | |
547 | case ZEBRA_LSP_NONE: | |
d62a17ae | 548 | return "Unknown"; |
549 | } | |
339e36d2 DS |
550 | |
551 | /* | |
552 | * For some reason certain compilers do not believe | |
553 | * that all the cases have been handled. And | |
554 | * WTF does this work differently than when I removed | |
555 | * the default case???? | |
556 | */ | |
557 | return "Unknown"; | |
3ab18ff2 | 558 | } |
559 | ||
a1494c25 DS |
560 | static inline void mpls_mark_lsps_for_processing(struct zebra_vrf *zvrf, |
561 | struct prefix *p) | |
939fba27 | 562 | { |
a1494c25 DS |
563 | struct route_table *table; |
564 | struct route_node *rn; | |
565 | rib_dest_t *dest; | |
566 | ||
d62a17ae | 567 | if (!zvrf) |
568 | return; | |
939fba27 | 569 | |
a1494c25 DS |
570 | table = zvrf->table[family2afi(p->family)][SAFI_UNICAST]; |
571 | if (!table) | |
572 | return; | |
573 | ||
574 | rn = route_node_match(table, p); | |
575 | if (!rn) | |
576 | return; | |
577 | ||
578 | ||
579 | dest = rib_dest_from_rnode(rn); | |
580 | SET_FLAG(dest->flags, RIB_DEST_UPDATE_LSPS); | |
939fba27 | 581 | } |
582 | ||
a1494c25 | 583 | static inline void mpls_unmark_lsps_for_processing(struct route_node *rn) |
939fba27 | 584 | { |
a1494c25 | 585 | rib_dest_t *dest = rib_dest_from_rnode(rn); |
939fba27 | 586 | |
a1494c25 | 587 | UNSET_FLAG(dest->flags, RIB_DEST_UPDATE_LSPS); |
939fba27 | 588 | } |
589 | ||
a1494c25 | 590 | static inline int mpls_should_lsps_be_processed(struct route_node *rn) |
939fba27 | 591 | { |
a1494c25 | 592 | rib_dest_t *dest = rib_dest_from_rnode(rn); |
939fba27 | 593 | |
a1494c25 | 594 | return !!CHECK_FLAG(dest->flags, RIB_DEST_UPDATE_LSPS); |
939fba27 | 595 | } |
596 | ||
fe6c7157 RW |
597 | /* Global variables. */ |
598 | extern int mpls_enabled; | |
599 | ||
51e94aa7 EDP |
600 | #ifdef __cplusplus |
601 | } | |
602 | #endif | |
603 | ||
54d48ea1 | 604 | #endif /*_ZEBRA_MPLS_H */ |