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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 | |
54d48ea1 | 58 | /* |
59 | * (Outgoing) nexthop label forwarding entry configuration | |
60 | */ | |
d62a17ae | 61 | struct zebra_snhlfe_t_ { |
62 | /* Nexthop information */ | |
63 | enum nexthop_types_t gtype; | |
64 | union g_addr gate; | |
65 | char *ifname; | |
66 | ifindex_t ifindex; | |
54d48ea1 | 67 | |
d62a17ae | 68 | /* Out label. */ |
69 | mpls_label_t out_label; | |
54d48ea1 | 70 | |
d62a17ae | 71 | /* Backpointer to base entry. */ |
72 | zebra_slsp_t *slsp; | |
54d48ea1 | 73 | |
d62a17ae | 74 | /* Pointers to more outgoing information for same in-label */ |
75 | zebra_snhlfe_t *next; | |
76 | zebra_snhlfe_t *prev; | |
54d48ea1 | 77 | }; |
78 | ||
79 | /* | |
80 | * (Outgoing) nexthop label forwarding entry | |
81 | */ | |
d62a17ae | 82 | struct zebra_nhlfe_t_ { |
83 | /* Type of entry - static etc. */ | |
84 | enum lsp_types_t type; | |
54d48ea1 | 85 | |
d62a17ae | 86 | /* Nexthop information (with outgoing label) */ |
87 | struct nexthop *nexthop; | |
54d48ea1 | 88 | |
d62a17ae | 89 | /* Backpointer to base entry. */ |
90 | zebra_lsp_t *lsp; | |
54d48ea1 | 91 | |
d62a17ae | 92 | /* Runtime info - flags, pointers etc. */ |
d7c0a89a | 93 | uint32_t flags; |
54d48ea1 | 94 | #define NHLFE_FLAG_CHANGED (1 << 0) |
95 | #define NHLFE_FLAG_SELECTED (1 << 1) | |
96 | #define NHLFE_FLAG_MULTIPATH (1 << 2) | |
97 | #define NHLFE_FLAG_DELETED (1 << 3) | |
98 | #define NHLFE_FLAG_INSTALLED (1 << 4) | |
99 | ||
d62a17ae | 100 | zebra_nhlfe_t *next; |
101 | zebra_nhlfe_t *prev; | |
d7c0a89a | 102 | uint8_t distance; |
54d48ea1 | 103 | }; |
104 | ||
105 | /* | |
106 | * Incoming label entry | |
107 | */ | |
d62a17ae | 108 | struct zebra_ile_t_ { |
109 | mpls_label_t in_label; | |
54d48ea1 | 110 | }; |
111 | ||
112 | /* | |
113 | * Label swap entry static configuration. | |
114 | */ | |
d62a17ae | 115 | struct zebra_slsp_t_ { |
116 | /* Incoming label */ | |
117 | zebra_ile_t ile; | |
54d48ea1 | 118 | |
d62a17ae | 119 | /* List of outgoing nexthop static configuration */ |
120 | zebra_snhlfe_t *snhlfe_list; | |
54d48ea1 | 121 | }; |
122 | ||
123 | /* | |
124 | * Label swap entry (ile -> list of nhlfes) | |
125 | */ | |
d62a17ae | 126 | struct zebra_lsp_t_ { |
127 | /* Incoming label */ | |
128 | zebra_ile_t ile; | |
54d48ea1 | 129 | |
d62a17ae | 130 | /* List of NHLFE, pointer to best and num equal-cost. */ |
131 | zebra_nhlfe_t *nhlfe_list; | |
132 | zebra_nhlfe_t *best_nhlfe; | |
d7c0a89a | 133 | uint32_t num_ecmp; |
54d48ea1 | 134 | |
d62a17ae | 135 | /* Flags */ |
d7c0a89a | 136 | uint32_t flags; |
54d48ea1 | 137 | #define LSP_FLAG_SCHEDULED (1 << 0) |
138 | #define LSP_FLAG_INSTALLED (1 << 1) | |
139 | #define LSP_FLAG_CHANGED (1 << 2) | |
140 | ||
d62a17ae | 141 | /* Address-family of NHLFE - saved here for delete. All NHLFEs */ |
142 | /* have to be of the same AF */ | |
d7c0a89a | 143 | uint8_t addr_family; |
54d48ea1 | 144 | }; |
145 | ||
f31e084c DS |
146 | /* |
147 | * FEC to label binding. | |
148 | */ | |
d62a17ae | 149 | struct zebra_fec_t_ { |
150 | /* FEC (prefix) */ | |
151 | struct route_node *rn; | |
f31e084c | 152 | |
d62a17ae | 153 | /* In-label - either statically bound or derived from label block. */ |
154 | mpls_label_t label; | |
f31e084c | 155 | |
d62a17ae | 156 | /* Label index (into global label block), if valid */ |
d7c0a89a | 157 | uint32_t label_index; |
28d58fd7 | 158 | |
d62a17ae | 159 | /* Flags. */ |
d7c0a89a | 160 | uint32_t flags; |
f31e084c | 161 | #define FEC_FLAG_CONFIGURED (1 << 0) |
5aba114a | 162 | |
d62a17ae | 163 | /* Clients interested in this FEC. */ |
164 | struct list *client_list; | |
f31e084c | 165 | }; |
54d48ea1 | 166 | |
7758e3f3 | 167 | /* Function declarations. */ |
168 | ||
1b6d5c7e VV |
169 | /* |
170 | * Add/update global label block. | |
171 | */ | |
d7c0a89a QY |
172 | int zebra_mpls_label_block_add(struct zebra_vrf *zvrf, uint32_t start_label, |
173 | uint32_t end_label); | |
1b6d5c7e VV |
174 | |
175 | /* | |
176 | * Delete global label block. | |
177 | */ | |
d62a17ae | 178 | int zebra_mpls_label_block_del(struct zebra_vrf *vrf); |
1b6d5c7e VV |
179 | |
180 | /* | |
181 | * Display MPLS global label block configuration (VTY command handler). | |
182 | */ | |
d62a17ae | 183 | int zebra_mpls_write_label_block_config(struct vty *vty, struct zebra_vrf *vrf); |
1b6d5c7e | 184 | |
a64448ba DS |
185 | /* |
186 | * Install dynamic LSP entry. | |
187 | */ | |
d62a17ae | 188 | int zebra_mpls_lsp_install(struct zebra_vrf *zvrf, struct route_node *rn, |
189 | struct route_entry *re); | |
a64448ba DS |
190 | |
191 | /* | |
d62a17ae | 192 | * Uninstall dynamic LSP entry, if any. |
a64448ba | 193 | */ |
d62a17ae | 194 | int zebra_mpls_lsp_uninstall(struct zebra_vrf *zvrf, struct route_node *rn, |
195 | struct route_entry *re); | |
a64448ba | 196 | |
d4cb23d7 MS |
197 | /* Add an NHLFE to an LSP, return the newly-added object */ |
198 | zebra_nhlfe_t *zebra_mpls_lsp_add_nhlfe(zebra_lsp_t *lsp, | |
199 | enum lsp_types_t lsp_type, | |
200 | enum nexthop_types_t gtype, | |
201 | union g_addr *gate, | |
202 | ifindex_t ifindex, | |
5065db0a RW |
203 | uint8_t num_labels, |
204 | mpls_label_t out_labels[]); | |
d4cb23d7 MS |
205 | |
206 | /* Free an allocated NHLFE */ | |
207 | void zebra_mpls_nhlfe_del(zebra_nhlfe_t *nhlfe); | |
208 | ||
d62a17ae | 209 | int zebra_mpls_fec_register(struct zebra_vrf *zvrf, struct prefix *p, |
57592a53 AD |
210 | uint32_t label, uint32_t label_index, |
211 | struct zserv *client); | |
5aba114a DS |
212 | |
213 | /* | |
214 | * Deregistration from a client for the label binding for a FEC. The FEC | |
215 | * itself is deleted if no other registered clients exist and there is no | |
216 | * label bound to the FEC. | |
217 | */ | |
d62a17ae | 218 | int zebra_mpls_fec_unregister(struct zebra_vrf *zvrf, struct prefix *p, |
219 | struct zserv *client); | |
5aba114a | 220 | |
f31e084c DS |
221 | /* |
222 | * Return FEC (if any) to which this label is bound. | |
223 | * Note: Only works for per-prefix binding and when the label is not | |
224 | * implicit-null. | |
225 | * TODO: Currently walks entire table, can optimize later with another | |
226 | * hash.. | |
227 | */ | |
d62a17ae | 228 | zebra_fec_t *zebra_mpls_fec_for_label(struct zebra_vrf *zvrf, |
229 | mpls_label_t label); | |
f31e084c DS |
230 | |
231 | /* | |
232 | * Inform if specified label is currently bound to a FEC or not. | |
233 | */ | |
d62a17ae | 234 | int zebra_mpls_label_already_bound(struct zebra_vrf *zvrf, mpls_label_t label); |
f31e084c DS |
235 | |
236 | /* | |
5aba114a | 237 | * Add static FEC to label binding. If there are clients registered for this |
a64448ba DS |
238 | * FEC, notify them. If there are labeled routes for this FEC, install the |
239 | * label forwarding entry. | |
f31e084c | 240 | */ |
d62a17ae | 241 | int zebra_mpls_static_fec_add(struct zebra_vrf *zvrf, struct prefix *p, |
242 | mpls_label_t in_label); | |
f31e084c DS |
243 | |
244 | /* | |
5aba114a DS |
245 | * Remove static FEC to label binding. If there are no clients registered |
246 | * for this FEC, delete the FEC; else notify clients. | |
28d58fd7 VV |
247 | * Note: Upon delete of static binding, if label index exists for this FEC, |
248 | * client may need to be updated with derived label. | |
f31e084c | 249 | */ |
d62a17ae | 250 | int zebra_mpls_static_fec_del(struct zebra_vrf *zvrf, struct prefix *p); |
f31e084c DS |
251 | |
252 | /* | |
253 | * Display MPLS FEC to label binding configuration (VTY command handler). | |
254 | */ | |
d62a17ae | 255 | int zebra_mpls_write_fec_config(struct vty *vty, struct zebra_vrf *zvrf); |
f31e084c DS |
256 | |
257 | /* | |
258 | * Display MPLS FEC to label binding (VTY command handler). | |
259 | */ | |
d62a17ae | 260 | void zebra_mpls_print_fec_table(struct vty *vty, struct zebra_vrf *zvrf); |
f31e084c DS |
261 | |
262 | /* | |
263 | * Display MPLS FEC to label binding for a specific FEC (VTY command handler). | |
264 | */ | |
d62a17ae | 265 | void zebra_mpls_print_fec(struct vty *vty, struct zebra_vrf *zvrf, |
266 | struct prefix *p); | |
f31e084c | 267 | |
ce549947 RW |
268 | /* |
269 | * Install/uninstall a FEC-To-NHLFE (FTN) binding. | |
270 | */ | |
d62a17ae | 271 | int mpls_ftn_update(int add, struct zebra_vrf *zvrf, enum lsp_types_t type, |
272 | struct prefix *prefix, enum nexthop_types_t gtype, | |
e132dea0 RW |
273 | union g_addr *gate, ifindex_t ifindex, uint8_t route_type, |
274 | unsigned short route_instance, mpls_label_t out_label); | |
ce549947 | 275 | |
ea6b290b RW |
276 | /* |
277 | * Uninstall all NHLFEs bound to a single FEC. | |
278 | */ | |
279 | int mpls_ftn_uninstall(struct zebra_vrf *zvrf, enum lsp_types_t type, | |
280 | struct prefix *prefix, uint8_t route_type, | |
281 | unsigned short route_instance); | |
282 | ||
ce549947 RW |
283 | /* |
284 | * Install/update a NHLFE for an LSP in the forwarding table. This may be | |
285 | * a new LSP entry or a new NHLFE for an existing in-label or an update of | |
5065db0a | 286 | * the out-label(s) for an existing NHLFE (update case). |
ce549947 | 287 | */ |
d62a17ae | 288 | int mpls_lsp_install(struct zebra_vrf *zvrf, enum lsp_types_t type, |
5065db0a RW |
289 | mpls_label_t in_label, uint8_t num_out_labels, |
290 | mpls_label_t out_labels[], enum nexthop_types_t gtype, | |
291 | union g_addr *gate, ifindex_t ifindex); | |
ce549947 RW |
292 | |
293 | /* | |
294 | * Uninstall a particular NHLFE in the forwarding table. If this is | |
295 | * the only NHLFE, the entire LSP forwarding entry has to be deleted. | |
296 | */ | |
d62a17ae | 297 | int mpls_lsp_uninstall(struct zebra_vrf *zvrf, enum lsp_types_t type, |
298 | mpls_label_t in_label, enum nexthop_types_t gtype, | |
299 | union g_addr *gate, ifindex_t ifindex); | |
ce549947 RW |
300 | |
301 | /* | |
ea6b290b | 302 | * Uninstall all NHLFEs for a particular LSP forwarding entry. |
ce549947 | 303 | */ |
ea6b290b RW |
304 | int mpls_lsp_uninstall_all_vrf(struct zebra_vrf *zvrf, enum lsp_types_t type, |
305 | mpls_label_t in_label); | |
ce549947 | 306 | |
cf9b9f77 OD |
307 | /* |
308 | * Uninstall all Segment Routing NHLFEs for a particular LSP forwarding entry. | |
309 | * If no other NHLFEs exist, the entry would be deleted. | |
310 | */ | |
e3b78da8 | 311 | void mpls_sr_lsp_uninstall_all(struct hash_bucket *bucket, void *ctxt); |
cf9b9f77 | 312 | |
1c1cf002 | 313 | #if defined(HAVE_CUMULUS) |
7758e3f3 | 314 | /* |
315 | * Check that the label values used in LSP creation are consistent. The | |
316 | * main criteria is that if there is ECMP, the label operation must still | |
317 | * be consistent - i.e., all paths either do a swap or do PHP. This is due | |
318 | * to current HW restrictions. | |
319 | */ | |
d62a17ae | 320 | int zebra_mpls_lsp_label_consistent(struct zebra_vrf *zvrf, |
321 | mpls_label_t in_label, | |
322 | mpls_label_t out_label, | |
323 | enum nexthop_types_t gtype, | |
324 | union g_addr *gate, ifindex_t ifindex); | |
1c1cf002 | 325 | #endif /* HAVE_CUMULUS */ |
7758e3f3 | 326 | |
327 | /* | |
328 | * Add static LSP entry. This may be the first entry for this incoming label | |
329 | * or an additional nexthop; an existing entry may also have outgoing label | |
330 | * changed. | |
331 | * Note: The label operation (swap or PHP) is common for the LSP entry (all | |
332 | * NHLFEs). | |
333 | */ | |
d62a17ae | 334 | int zebra_mpls_static_lsp_add(struct zebra_vrf *zvrf, mpls_label_t in_label, |
335 | mpls_label_t out_label, | |
336 | enum nexthop_types_t gtype, union g_addr *gate, | |
337 | ifindex_t ifindex); | |
7758e3f3 | 338 | |
339 | /* | |
340 | * Delete static LSP entry. This may be the delete of one particular | |
341 | * NHLFE for this incoming label or the delete of the entire entry (i.e., | |
342 | * all NHLFEs). | |
343 | * NOTE: Delete of the only NHLFE will also end up deleting the entire | |
344 | * LSP configuration. | |
345 | */ | |
d62a17ae | 346 | int zebra_mpls_static_lsp_del(struct zebra_vrf *zvrf, mpls_label_t in_label, |
347 | enum nexthop_types_t gtype, union g_addr *gate, | |
348 | ifindex_t ifindex); | |
7758e3f3 | 349 | |
d37f4d6c MS |
350 | /* |
351 | * Process LSP update results from zebra dataplane. | |
352 | */ | |
353 | /* Forward ref of dplane update context type */ | |
354 | struct zebra_dplane_ctx; | |
355 | ||
356 | void zebra_mpls_lsp_dplane_result(struct zebra_dplane_ctx *ctx); | |
357 | ||
104e3ad9 MS |
358 | /* Process async dplane notifications. */ |
359 | void zebra_mpls_process_dplane_notify(struct zebra_dplane_ctx *ctx); | |
360 | ||
40c7bdb0 | 361 | /* |
362 | * Schedule all MPLS label forwarding entries for processing. | |
363 | * Called upon changes that may affect one or more of them such as | |
364 | * interface or nexthop state changes. | |
365 | */ | |
d62a17ae | 366 | void zebra_mpls_lsp_schedule(struct zebra_vrf *zvrf); |
40c7bdb0 | 367 | |
3ab18ff2 | 368 | /* |
369 | * Display MPLS label forwarding table for a specific LSP | |
370 | * (VTY command handler). | |
371 | */ | |
d62a17ae | 372 | void zebra_mpls_print_lsp(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 373 | mpls_label_t label, bool use_json); |
3ab18ff2 | 374 | |
375 | /* | |
376 | * Display MPLS label forwarding table (VTY command handler). | |
377 | */ | |
d62a17ae | 378 | void zebra_mpls_print_lsp_table(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 379 | bool use_json); |
3ab18ff2 | 380 | |
7758e3f3 | 381 | /* |
382 | * Display MPLS LSP configuration of all static LSPs (VTY command handler). | |
383 | */ | |
d62a17ae | 384 | int zebra_mpls_write_lsp_config(struct vty *vty, struct zebra_vrf *zvrf); |
7758e3f3 | 385 | |
84915b0a | 386 | /* |
387 | * Called when VRF becomes inactive, cleans up information but keeps | |
388 | * the table itself. | |
389 | * NOTE: Currently supported only for default VRF. | |
390 | */ | |
391 | void zebra_mpls_cleanup_tables(struct zebra_vrf *zvrf); | |
392 | ||
40c7bdb0 | 393 | /* |
394 | * Called upon process exiting, need to delete LSP forwarding | |
395 | * entries from the kernel. | |
396 | * NOTE: Currently supported only for default VRF. | |
397 | */ | |
d62a17ae | 398 | void zebra_mpls_close_tables(struct zebra_vrf *zvrf); |
40c7bdb0 | 399 | |
7758e3f3 | 400 | /* |
401 | * Allocate MPLS tables for this VRF. | |
402 | * NOTE: Currently supported only for default VRF. | |
403 | */ | |
d62a17ae | 404 | void zebra_mpls_init_tables(struct zebra_vrf *zvrf); |
7758e3f3 | 405 | |
406 | /* | |
407 | * Global MPLS initialization. | |
408 | */ | |
d62a17ae | 409 | void zebra_mpls_init(void); |
7758e3f3 | 410 | |
fe6c7157 RW |
411 | /* |
412 | * MPLS VTY. | |
413 | */ | |
d62a17ae | 414 | void zebra_mpls_vty_init(void); |
fe6c7157 | 415 | |
40c7bdb0 | 416 | /* Inline functions. */ |
417 | ||
418 | /* | |
419 | * Distance (priority) definition for LSP NHLFE. | |
420 | */ | |
d7c0a89a | 421 | static inline uint8_t lsp_distance(enum lsp_types_t type) |
40c7bdb0 | 422 | { |
0492eea0 RW |
423 | switch (type) { |
424 | case ZEBRA_LSP_STATIC: | |
d62a17ae | 425 | return (route_distance(ZEBRA_ROUTE_STATIC)); |
0492eea0 RW |
426 | case ZEBRA_LSP_LDP: |
427 | return (route_distance(ZEBRA_ROUTE_LDP)); | |
428 | case ZEBRA_LSP_BGP: | |
429 | return (route_distance(ZEBRA_ROUTE_BGP)); | |
339e36d2 DS |
430 | case ZEBRA_LSP_NONE: |
431 | case ZEBRA_LSP_SHARP: | |
635a039e | 432 | case ZEBRA_LSP_OSPF_SR: |
0492eea0 RW |
433 | return 150; |
434 | } | |
339e36d2 DS |
435 | |
436 | /* | |
437 | * For some reason certain compilers do not believe | |
438 | * that all the cases have been handled. And | |
439 | * WTF does this work differently than when I removed | |
440 | * the default case???? | |
441 | */ | |
442 | return 150; | |
40c7bdb0 | 443 | } |
444 | ||
445 | /* | |
446 | * Map RIB type to LSP type. Used when labeled-routes from BGP | |
447 | * are converted into LSPs. | |
448 | */ | |
d62a17ae | 449 | static inline enum lsp_types_t lsp_type_from_re_type(int re_type) |
40c7bdb0 | 450 | { |
d62a17ae | 451 | switch (re_type) { |
452 | case ZEBRA_ROUTE_STATIC: | |
453 | return ZEBRA_LSP_STATIC; | |
635a039e RW |
454 | case ZEBRA_ROUTE_LDP: |
455 | return ZEBRA_LSP_LDP; | |
d62a17ae | 456 | case ZEBRA_ROUTE_BGP: |
457 | return ZEBRA_LSP_BGP; | |
635a039e RW |
458 | case ZEBRA_ROUTE_OSPF: |
459 | return ZEBRA_LSP_OSPF_SR; | |
339e36d2 DS |
460 | case ZEBRA_ROUTE_SHARP: |
461 | return ZEBRA_LSP_SHARP; | |
d62a17ae | 462 | default: |
463 | return ZEBRA_LSP_NONE; | |
464 | } | |
40c7bdb0 | 465 | } |
466 | ||
805444ce RW |
467 | /* |
468 | * Map LSP type to RIB type. | |
469 | */ | |
470 | static inline int re_type_from_lsp_type(enum lsp_types_t lsp_type) | |
471 | { | |
472 | switch (lsp_type) { | |
473 | case ZEBRA_LSP_STATIC: | |
474 | return ZEBRA_ROUTE_STATIC; | |
475 | case ZEBRA_LSP_LDP: | |
476 | return ZEBRA_ROUTE_LDP; | |
477 | case ZEBRA_LSP_BGP: | |
478 | return ZEBRA_ROUTE_BGP; | |
635a039e | 479 | case ZEBRA_LSP_OSPF_SR: |
7726c479 | 480 | return ZEBRA_ROUTE_OSPF; |
805444ce | 481 | case ZEBRA_LSP_NONE: |
805444ce | 482 | return ZEBRA_ROUTE_KERNEL; |
339e36d2 DS |
483 | case ZEBRA_LSP_SHARP: |
484 | return ZEBRA_ROUTE_SHARP; | |
805444ce | 485 | } |
339e36d2 DS |
486 | |
487 | /* | |
488 | * For some reason certain compilers do not believe | |
489 | * that all the cases have been handled. And | |
490 | * WTF does this work differently than when I removed | |
491 | * the default case???? | |
492 | */ | |
493 | return ZEBRA_ROUTE_KERNEL; | |
805444ce RW |
494 | } |
495 | ||
3ab18ff2 | 496 | /* NHLFE type as printable string. */ |
d62a17ae | 497 | static inline const char *nhlfe_type2str(enum lsp_types_t lsp_type) |
3ab18ff2 | 498 | { |
d62a17ae | 499 | switch (lsp_type) { |
500 | case ZEBRA_LSP_STATIC: | |
501 | return "Static"; | |
502 | case ZEBRA_LSP_LDP: | |
503 | return "LDP"; | |
504 | case ZEBRA_LSP_BGP: | |
505 | return "BGP"; | |
635a039e RW |
506 | case ZEBRA_LSP_OSPF_SR: |
507 | return "SR (OSPF)"; | |
339e36d2 DS |
508 | case ZEBRA_LSP_SHARP: |
509 | return "SHARP"; | |
510 | case ZEBRA_LSP_NONE: | |
d62a17ae | 511 | return "Unknown"; |
512 | } | |
339e36d2 DS |
513 | |
514 | /* | |
515 | * For some reason certain compilers do not believe | |
516 | * that all the cases have been handled. And | |
517 | * WTF does this work differently than when I removed | |
518 | * the default case???? | |
519 | */ | |
520 | return "Unknown"; | |
3ab18ff2 | 521 | } |
522 | ||
a1494c25 DS |
523 | static inline void mpls_mark_lsps_for_processing(struct zebra_vrf *zvrf, |
524 | struct prefix *p) | |
939fba27 | 525 | { |
a1494c25 DS |
526 | struct route_table *table; |
527 | struct route_node *rn; | |
528 | rib_dest_t *dest; | |
529 | ||
d62a17ae | 530 | if (!zvrf) |
531 | return; | |
939fba27 | 532 | |
a1494c25 DS |
533 | table = zvrf->table[family2afi(p->family)][SAFI_UNICAST]; |
534 | if (!table) | |
535 | return; | |
536 | ||
537 | rn = route_node_match(table, p); | |
538 | if (!rn) | |
539 | return; | |
540 | ||
541 | ||
542 | dest = rib_dest_from_rnode(rn); | |
543 | SET_FLAG(dest->flags, RIB_DEST_UPDATE_LSPS); | |
939fba27 | 544 | } |
545 | ||
a1494c25 | 546 | static inline void mpls_unmark_lsps_for_processing(struct route_node *rn) |
939fba27 | 547 | { |
a1494c25 | 548 | rib_dest_t *dest = rib_dest_from_rnode(rn); |
939fba27 | 549 | |
a1494c25 | 550 | UNSET_FLAG(dest->flags, RIB_DEST_UPDATE_LSPS); |
939fba27 | 551 | } |
552 | ||
a1494c25 | 553 | static inline int mpls_should_lsps_be_processed(struct route_node *rn) |
939fba27 | 554 | { |
a1494c25 | 555 | rib_dest_t *dest = rib_dest_from_rnode(rn); |
939fba27 | 556 | |
a1494c25 | 557 | return !!CHECK_FLAG(dest->flags, RIB_DEST_UPDATE_LSPS); |
939fba27 | 558 | } |
559 | ||
fe6c7157 RW |
560 | /* Global variables. */ |
561 | extern int mpls_enabled; | |
562 | ||
51e94aa7 EDP |
563 | #ifdef __cplusplus |
564 | } | |
565 | #endif | |
566 | ||
54d48ea1 | 567 | #endif /*_ZEBRA_MPLS_H */ |