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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
54d48ea1 | 2 | /* |
3 | * Zebra MPLS Data structures and definitions | |
4 | * Copyright (C) 2015 Cumulus Networks, Inc. | |
54d48ea1 | 5 | */ |
6 | ||
7 | #ifndef _ZEBRA_MPLS_H | |
8 | #define _ZEBRA_MPLS_H | |
9 | ||
10 | #include "prefix.h" | |
11 | #include "table.h" | |
12 | #include "queue.h" | |
13 | #include "hash.h" | |
14 | #include "jhash.h" | |
15 | #include "nexthop.h" | |
16 | #include "vty.h" | |
17 | #include "memory.h" | |
18 | #include "mpls.h" | |
19 | #include "zebra/zserv.h" | |
939fba27 | 20 | #include "zebra/zebra_vrf.h" |
31f937fb | 21 | #include "hook.h" |
54d48ea1 | 22 | |
51e94aa7 EDP |
23 | #ifdef __cplusplus |
24 | extern "C" { | |
25 | #endif | |
54d48ea1 | 26 | |
27 | /* Definitions and macros. */ | |
28 | ||
d62a17ae | 29 | #define NHLFE_FAMILY(nhlfe) \ |
30 | (((nhlfe)->nexthop->type == NEXTHOP_TYPE_IPV6 \ | |
31 | || (nhlfe)->nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX) \ | |
32 | ? AF_INET6 \ | |
33 | : AF_INET) | |
54d48ea1 | 34 | |
ee70f629 | 35 | /* Declare LSP nexthop list types */ |
ee70f629 MS |
36 | PREDECL_DLIST(nhlfe_list); |
37 | ||
54d48ea1 | 38 | /* |
39 | * (Outgoing) nexthop label forwarding entry | |
40 | */ | |
f2595bd5 | 41 | struct zebra_nhlfe { |
d62a17ae | 42 | /* Type of entry - static etc. */ |
43 | enum lsp_types_t type; | |
54d48ea1 | 44 | |
d62a17ae | 45 | /* Nexthop information (with outgoing label) */ |
46 | struct nexthop *nexthop; | |
54d48ea1 | 47 | |
d62a17ae | 48 | /* Backpointer to base entry. */ |
8f74a383 | 49 | struct zebra_lsp *lsp; |
54d48ea1 | 50 | |
d62a17ae | 51 | /* Runtime info - flags, pointers etc. */ |
d7c0a89a | 52 | uint32_t flags; |
54d48ea1 | 53 | #define NHLFE_FLAG_CHANGED (1 << 0) |
54 | #define NHLFE_FLAG_SELECTED (1 << 1) | |
55 | #define NHLFE_FLAG_MULTIPATH (1 << 2) | |
56 | #define NHLFE_FLAG_DELETED (1 << 3) | |
57 | #define NHLFE_FLAG_INSTALLED (1 << 4) | |
cd4bb96f | 58 | #define NHLFE_FLAG_IS_BACKUP (1 << 5) |
54d48ea1 | 59 | |
d7c0a89a | 60 | uint8_t distance; |
ee70f629 MS |
61 | |
62 | /* Linkage for LSPs' lists */ | |
63 | struct nhlfe_list_item list; | |
54d48ea1 | 64 | }; |
65 | ||
66 | /* | |
67 | * Incoming label entry | |
68 | */ | |
a7d2146a | 69 | struct zebra_ile { |
d62a17ae | 70 | mpls_label_t in_label; |
54d48ea1 | 71 | }; |
72 | ||
54d48ea1 | 73 | /* |
74 | * Label swap entry (ile -> list of nhlfes) | |
75 | */ | |
8f74a383 | 76 | struct zebra_lsp { |
d62a17ae | 77 | /* Incoming label */ |
a7d2146a | 78 | struct zebra_ile ile; |
54d48ea1 | 79 | |
ee70f629 MS |
80 | /* List of NHLFEs, pointer to best, and num equal-cost. */ |
81 | struct nhlfe_list_head nhlfe_list; | |
82 | ||
f2595bd5 | 83 | struct zebra_nhlfe *best_nhlfe; |
d7c0a89a | 84 | uint32_t num_ecmp; |
54d48ea1 | 85 | |
cd4bb96f MS |
86 | /* Backup nhlfes, if present. The nexthop in a primary/active nhlfe |
87 | * refers to its backup (if any) by index, so the order of this list | |
88 | * is significant. | |
89 | */ | |
90 | struct nhlfe_list_head backup_nhlfe_list; | |
91 | ||
d62a17ae | 92 | /* Flags */ |
d7c0a89a | 93 | uint32_t flags; |
54d48ea1 | 94 | #define LSP_FLAG_SCHEDULED (1 << 0) |
95 | #define LSP_FLAG_INSTALLED (1 << 1) | |
96 | #define LSP_FLAG_CHANGED (1 << 2) | |
f9bf1ecc | 97 | #define LSP_FLAG_FPM (1 << 3) |
54d48ea1 | 98 | |
d62a17ae | 99 | /* Address-family of NHLFE - saved here for delete. All NHLFEs */ |
100 | /* have to be of the same AF */ | |
d7c0a89a | 101 | uint8_t addr_family; |
54d48ea1 | 102 | }; |
103 | ||
f31e084c DS |
104 | /* |
105 | * FEC to label binding. | |
106 | */ | |
60e36561 | 107 | struct zebra_fec { |
d62a17ae | 108 | /* FEC (prefix) */ |
109 | struct route_node *rn; | |
f31e084c | 110 | |
d62a17ae | 111 | /* In-label - either statically bound or derived from label block. */ |
112 | mpls_label_t label; | |
f31e084c | 113 | |
d62a17ae | 114 | /* Label index (into global label block), if valid */ |
d7c0a89a | 115 | uint32_t label_index; |
28d58fd7 | 116 | |
d62a17ae | 117 | /* Flags. */ |
d7c0a89a | 118 | uint32_t flags; |
f31e084c | 119 | #define FEC_FLAG_CONFIGURED (1 << 0) |
5aba114a | 120 | |
d62a17ae | 121 | /* Clients interested in this FEC. */ |
122 | struct list *client_list; | |
f31e084c | 123 | }; |
54d48ea1 | 124 | |
ee70f629 | 125 | /* Declare typesafe list apis/macros */ |
f2595bd5 | 126 | DECLARE_DLIST(nhlfe_list, struct zebra_nhlfe, list); |
ee70f629 | 127 | |
7758e3f3 | 128 | /* Function declarations. */ |
129 | ||
1b6d5c7e VV |
130 | /* |
131 | * Add/update global label block. | |
132 | */ | |
d7c0a89a QY |
133 | int zebra_mpls_label_block_add(struct zebra_vrf *zvrf, uint32_t start_label, |
134 | uint32_t end_label); | |
1b6d5c7e VV |
135 | |
136 | /* | |
137 | * Delete global label block. | |
138 | */ | |
d62a17ae | 139 | int zebra_mpls_label_block_del(struct zebra_vrf *vrf); |
1b6d5c7e VV |
140 | |
141 | /* | |
142 | * Display MPLS global label block configuration (VTY command handler). | |
143 | */ | |
d62a17ae | 144 | int zebra_mpls_write_label_block_config(struct vty *vty, struct zebra_vrf *vrf); |
1b6d5c7e | 145 | |
a64448ba DS |
146 | /* |
147 | * Install dynamic LSP entry. | |
148 | */ | |
d62a17ae | 149 | int zebra_mpls_lsp_install(struct zebra_vrf *zvrf, struct route_node *rn, |
150 | struct route_entry *re); | |
a64448ba DS |
151 | |
152 | /* | |
d62a17ae | 153 | * Uninstall dynamic LSP entry, if any. |
a64448ba | 154 | */ |
d62a17ae | 155 | int zebra_mpls_lsp_uninstall(struct zebra_vrf *zvrf, struct route_node *rn, |
156 | struct route_entry *re); | |
a64448ba | 157 | |
d4cb23d7 | 158 | /* Add an NHLFE to an LSP, return the newly-added object */ |
f2595bd5 | 159 | struct zebra_nhlfe * |
8f74a383 | 160 | zebra_mpls_lsp_add_nhlfe(struct zebra_lsp *lsp, enum lsp_types_t lsp_type, |
f2595bd5 DS |
161 | enum nexthop_types_t gtype, const union g_addr *gate, |
162 | ifindex_t ifindex, uint8_t num_labels, | |
163 | const mpls_label_t *out_labels); | |
cd4bb96f MS |
164 | |
165 | /* Add or update a backup NHLFE for an LSP; return the object */ | |
f2595bd5 | 166 | struct zebra_nhlfe *zebra_mpls_lsp_add_backup_nhlfe( |
8f74a383 DS |
167 | struct zebra_lsp *lsp, enum lsp_types_t lsp_type, |
168 | enum nexthop_types_t gtype, const union g_addr *gate, ifindex_t ifindex, | |
169 | uint8_t num_labels, const mpls_label_t *out_labels); | |
cd4bb96f MS |
170 | |
171 | /* | |
172 | * Add NHLFE or backup NHLFE to an LSP based on a nexthop. These just maintain | |
173 | * the LSP and NHLFE objects; nothing is scheduled for processing. | |
174 | * Return: the newly-added object | |
175 | */ | |
8f74a383 | 176 | struct zebra_nhlfe *zebra_mpls_lsp_add_nh(struct zebra_lsp *lsp, |
f2595bd5 DS |
177 | enum lsp_types_t lsp_type, |
178 | const struct nexthop *nh); | |
8f74a383 | 179 | struct zebra_nhlfe *zebra_mpls_lsp_add_backup_nh(struct zebra_lsp *lsp, |
f2595bd5 DS |
180 | enum lsp_types_t lsp_type, |
181 | const struct nexthop *nh); | |
d4cb23d7 MS |
182 | |
183 | /* Free an allocated NHLFE */ | |
f2595bd5 | 184 | void zebra_mpls_nhlfe_free(struct zebra_nhlfe *nhlfe); |
d4cb23d7 | 185 | |
d62a17ae | 186 | int zebra_mpls_fec_register(struct zebra_vrf *zvrf, struct prefix *p, |
57592a53 AD |
187 | uint32_t label, uint32_t label_index, |
188 | struct zserv *client); | |
5aba114a DS |
189 | |
190 | /* | |
191 | * Deregistration from a client for the label binding for a FEC. The FEC | |
192 | * itself is deleted if no other registered clients exist and there is no | |
193 | * label bound to the FEC. | |
194 | */ | |
d62a17ae | 195 | int zebra_mpls_fec_unregister(struct zebra_vrf *zvrf, struct prefix *p, |
196 | struct zserv *client); | |
5aba114a | 197 | |
f31e084c DS |
198 | /* |
199 | * Return FEC (if any) to which this label is bound. | |
200 | * Note: Only works for per-prefix binding and when the label is not | |
201 | * implicit-null. | |
202 | * TODO: Currently walks entire table, can optimize later with another | |
203 | * hash.. | |
204 | */ | |
60e36561 DS |
205 | struct zebra_fec *zebra_mpls_fec_for_label(struct zebra_vrf *zvrf, |
206 | mpls_label_t label); | |
f31e084c DS |
207 | |
208 | /* | |
209 | * Inform if specified label is currently bound to a FEC or not. | |
210 | */ | |
d62a17ae | 211 | int zebra_mpls_label_already_bound(struct zebra_vrf *zvrf, mpls_label_t label); |
f31e084c DS |
212 | |
213 | /* | |
5aba114a | 214 | * Add static FEC to label binding. If there are clients registered for this |
a64448ba DS |
215 | * FEC, notify them. If there are labeled routes for this FEC, install the |
216 | * label forwarding entry. | |
f31e084c | 217 | */ |
d62a17ae | 218 | int zebra_mpls_static_fec_add(struct zebra_vrf *zvrf, struct prefix *p, |
219 | mpls_label_t in_label); | |
f31e084c DS |
220 | |
221 | /* | |
5aba114a DS |
222 | * Remove static FEC to label binding. If there are no clients registered |
223 | * for this FEC, delete the FEC; else notify clients. | |
28d58fd7 VV |
224 | * Note: Upon delete of static binding, if label index exists for this FEC, |
225 | * client may need to be updated with derived label. | |
f31e084c | 226 | */ |
d62a17ae | 227 | int zebra_mpls_static_fec_del(struct zebra_vrf *zvrf, struct prefix *p); |
f31e084c DS |
228 | |
229 | /* | |
230 | * Display MPLS FEC to label binding configuration (VTY command handler). | |
231 | */ | |
d62a17ae | 232 | int zebra_mpls_write_fec_config(struct vty *vty, struct zebra_vrf *zvrf); |
f31e084c DS |
233 | |
234 | /* | |
235 | * Display MPLS FEC to label binding (VTY command handler). | |
236 | */ | |
d62a17ae | 237 | void zebra_mpls_print_fec_table(struct vty *vty, struct zebra_vrf *zvrf); |
f31e084c DS |
238 | |
239 | /* | |
240 | * Display MPLS FEC to label binding for a specific FEC (VTY command handler). | |
241 | */ | |
d62a17ae | 242 | void zebra_mpls_print_fec(struct vty *vty, struct zebra_vrf *zvrf, |
243 | struct prefix *p); | |
f31e084c | 244 | |
ce549947 | 245 | /* |
f2e7f4eb MS |
246 | * Handle zapi request to install/uninstall LSP and |
247 | * (optionally) FEC-To-NHLFE (FTN) bindings. | |
53216dff DS |
248 | * |
249 | * mpls_zapi_labels_process -> Installs for future processing | |
250 | * in the meta-q | |
251 | * zebra_mpls_labels_process -> called by the meta-q | |
ce549947 | 252 | */ |
1548fbbc DS |
253 | void mpls_zapi_labels_process(bool add_p, struct zebra_vrf *zvrf, |
254 | const struct zapi_labels *zl); | |
53216dff DS |
255 | void zebra_mpls_zapi_labels_process(bool add_p, struct zebra_vrf *zvrf, |
256 | const struct zapi_labels *zl); | |
ce549947 | 257 | |
ea6b290b RW |
258 | /* |
259 | * Uninstall all NHLFEs bound to a single FEC. | |
53216dff DS |
260 | * |
261 | * mpls_ftn_uninstall -> Called to enqueue into early label processing | |
262 | * via the metaq | |
263 | * zebra_mpls_ftn_uninstall -> Called when we process the meta q | |
264 | * for this item | |
ea6b290b | 265 | */ |
1548fbbc DS |
266 | void mpls_ftn_uninstall(struct zebra_vrf *zvrf, enum lsp_types_t type, |
267 | struct prefix *prefix, uint8_t route_type, | |
53216dff DS |
268 | uint8_t route_instance); |
269 | void zebra_mpls_ftn_uninstall(struct zebra_vrf *zvrf, enum lsp_types_t type, | |
270 | struct prefix *prefix, uint8_t route_type, | |
271 | uint8_t route_instance); | |
ce549947 RW |
272 | /* |
273 | * Install/update a NHLFE for an LSP in the forwarding table. This may be | |
274 | * a new LSP entry or a new NHLFE for an existing in-label or an update of | |
5065db0a | 275 | * the out-label(s) for an existing NHLFE (update case). |
ce549947 | 276 | */ |
d62a17ae | 277 | int mpls_lsp_install(struct zebra_vrf *zvrf, enum lsp_types_t type, |
5065db0a | 278 | mpls_label_t in_label, uint8_t num_out_labels, |
cd4bb96f | 279 | const mpls_label_t *out_labels, enum nexthop_types_t gtype, |
e4a1ec74 | 280 | const union g_addr *gate, ifindex_t ifindex); |
ce549947 | 281 | |
31f937fb SM |
282 | /* |
283 | * Lookup LSP by its input label. | |
284 | */ | |
8f74a383 | 285 | struct zebra_lsp *mpls_lsp_find(struct zebra_vrf *zvrf, mpls_label_t in_label); |
31f937fb | 286 | |
ce549947 RW |
287 | /* |
288 | * Uninstall a particular NHLFE in the forwarding table. If this is | |
289 | * the only NHLFE, the entire LSP forwarding entry has to be deleted. | |
290 | */ | |
d62a17ae | 291 | int mpls_lsp_uninstall(struct zebra_vrf *zvrf, enum lsp_types_t type, |
292 | mpls_label_t in_label, enum nexthop_types_t gtype, | |
cc1b9746 MS |
293 | const union g_addr *gate, ifindex_t ifindex, |
294 | bool backup_p); | |
ce549947 RW |
295 | |
296 | /* | |
ea6b290b | 297 | * Uninstall all NHLFEs for a particular LSP forwarding entry. |
ce549947 | 298 | */ |
ea6b290b RW |
299 | int mpls_lsp_uninstall_all_vrf(struct zebra_vrf *zvrf, enum lsp_types_t type, |
300 | mpls_label_t in_label); | |
ce549947 | 301 | |
1c1cf002 | 302 | #if defined(HAVE_CUMULUS) |
7758e3f3 | 303 | /* |
304 | * Check that the label values used in LSP creation are consistent. The | |
305 | * main criteria is that if there is ECMP, the label operation must still | |
306 | * be consistent - i.e., all paths either do a swap or do PHP. This is due | |
307 | * to current HW restrictions. | |
308 | */ | |
d62a17ae | 309 | int zebra_mpls_lsp_label_consistent(struct zebra_vrf *zvrf, |
310 | mpls_label_t in_label, | |
311 | mpls_label_t out_label, | |
312 | enum nexthop_types_t gtype, | |
313 | union g_addr *gate, ifindex_t ifindex); | |
1c1cf002 | 314 | #endif /* HAVE_CUMULUS */ |
7758e3f3 | 315 | |
316 | /* | |
317 | * Add static LSP entry. This may be the first entry for this incoming label | |
318 | * or an additional nexthop; an existing entry may also have outgoing label | |
319 | * changed. | |
320 | * Note: The label operation (swap or PHP) is common for the LSP entry (all | |
321 | * NHLFEs). | |
322 | */ | |
d62a17ae | 323 | int zebra_mpls_static_lsp_add(struct zebra_vrf *zvrf, mpls_label_t in_label, |
324 | mpls_label_t out_label, | |
325 | enum nexthop_types_t gtype, union g_addr *gate, | |
326 | ifindex_t ifindex); | |
7758e3f3 | 327 | |
328 | /* | |
329 | * Delete static LSP entry. This may be the delete of one particular | |
330 | * NHLFE for this incoming label or the delete of the entire entry (i.e., | |
331 | * all NHLFEs). | |
332 | * NOTE: Delete of the only NHLFE will also end up deleting the entire | |
333 | * LSP configuration. | |
334 | */ | |
d62a17ae | 335 | int zebra_mpls_static_lsp_del(struct zebra_vrf *zvrf, mpls_label_t in_label, |
336 | enum nexthop_types_t gtype, union g_addr *gate, | |
337 | ifindex_t ifindex); | |
7758e3f3 | 338 | |
d37f4d6c MS |
339 | /* |
340 | * Process LSP update results from zebra dataplane. | |
341 | */ | |
342 | /* Forward ref of dplane update context type */ | |
343 | struct zebra_dplane_ctx; | |
344 | ||
345 | void zebra_mpls_lsp_dplane_result(struct zebra_dplane_ctx *ctx); | |
346 | ||
104e3ad9 MS |
347 | /* Process async dplane notifications. */ |
348 | void zebra_mpls_process_dplane_notify(struct zebra_dplane_ctx *ctx); | |
349 | ||
40c7bdb0 | 350 | /* |
351 | * Schedule all MPLS label forwarding entries for processing. | |
352 | * Called upon changes that may affect one or more of them such as | |
353 | * interface or nexthop state changes. | |
354 | */ | |
d62a17ae | 355 | void zebra_mpls_lsp_schedule(struct zebra_vrf *zvrf); |
40c7bdb0 | 356 | |
3ab18ff2 | 357 | /* |
358 | * Display MPLS label forwarding table for a specific LSP | |
359 | * (VTY command handler). | |
360 | */ | |
d62a17ae | 361 | void zebra_mpls_print_lsp(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 362 | mpls_label_t label, bool use_json); |
3ab18ff2 | 363 | |
364 | /* | |
365 | * Display MPLS label forwarding table (VTY command handler). | |
366 | */ | |
d62a17ae | 367 | void zebra_mpls_print_lsp_table(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 368 | bool use_json); |
3ab18ff2 | 369 | |
7758e3f3 | 370 | /* |
371 | * Display MPLS LSP configuration of all static LSPs (VTY command handler). | |
372 | */ | |
d62a17ae | 373 | int zebra_mpls_write_lsp_config(struct vty *vty, struct zebra_vrf *zvrf); |
7758e3f3 | 374 | |
84915b0a | 375 | /* |
376 | * Called when VRF becomes inactive, cleans up information but keeps | |
377 | * the table itself. | |
378 | * NOTE: Currently supported only for default VRF. | |
379 | */ | |
380 | void zebra_mpls_cleanup_tables(struct zebra_vrf *zvrf); | |
381 | ||
40c7bdb0 | 382 | /* |
383 | * Called upon process exiting, need to delete LSP forwarding | |
384 | * entries from the kernel. | |
385 | * NOTE: Currently supported only for default VRF. | |
386 | */ | |
d62a17ae | 387 | void zebra_mpls_close_tables(struct zebra_vrf *zvrf); |
40c7bdb0 | 388 | |
7758e3f3 | 389 | /* |
390 | * Allocate MPLS tables for this VRF. | |
391 | * NOTE: Currently supported only for default VRF. | |
392 | */ | |
d62a17ae | 393 | void zebra_mpls_init_tables(struct zebra_vrf *zvrf); |
7758e3f3 | 394 | |
c87f5c23 DS |
395 | /* |
396 | * If mpls is turned on *after* FRR is brought | |
397 | * up let's actually notice this and turn on | |
398 | * the relevant bits to make it work. | |
399 | */ | |
400 | void zebra_mpls_turned_on(void); | |
401 | ||
7758e3f3 | 402 | /* |
403 | * Global MPLS initialization. | |
404 | */ | |
d62a17ae | 405 | void zebra_mpls_init(void); |
7758e3f3 | 406 | |
fe6c7157 RW |
407 | /* |
408 | * MPLS VTY. | |
409 | */ | |
d62a17ae | 410 | void zebra_mpls_vty_init(void); |
fe6c7157 | 411 | |
06302ecb DS |
412 | /* |
413 | * When cleaning up a client connection ensure that there are no | |
414 | * vrf labels that need cleaning up too | |
415 | */ | |
416 | void zebra_mpls_client_cleanup_vrf_label(uint8_t proto); | |
417 | ||
40c7bdb0 | 418 | /* Inline functions. */ |
419 | ||
420 | /* | |
421 | * Distance (priority) definition for LSP NHLFE. | |
422 | */ | |
d7c0a89a | 423 | static inline uint8_t lsp_distance(enum lsp_types_t type) |
40c7bdb0 | 424 | { |
0492eea0 RW |
425 | switch (type) { |
426 | case ZEBRA_LSP_STATIC: | |
d62a17ae | 427 | return (route_distance(ZEBRA_ROUTE_STATIC)); |
0492eea0 RW |
428 | case ZEBRA_LSP_LDP: |
429 | return (route_distance(ZEBRA_ROUTE_LDP)); | |
430 | case ZEBRA_LSP_BGP: | |
431 | return (route_distance(ZEBRA_ROUTE_BGP)); | |
339e36d2 DS |
432 | case ZEBRA_LSP_NONE: |
433 | case ZEBRA_LSP_SHARP: | |
4645cb6b | 434 | case ZEBRA_LSP_EVPN: |
635a039e | 435 | case ZEBRA_LSP_OSPF_SR: |
26f6acaf | 436 | case ZEBRA_LSP_ISIS_SR: |
31f937fb | 437 | case ZEBRA_LSP_SRTE: |
0492eea0 RW |
438 | return 150; |
439 | } | |
339e36d2 DS |
440 | |
441 | /* | |
442 | * For some reason certain compilers do not believe | |
443 | * that all the cases have been handled. And | |
444 | * WTF does this work differently than when I removed | |
445 | * the default case???? | |
446 | */ | |
447 | return 150; | |
40c7bdb0 | 448 | } |
449 | ||
450 | /* | |
451 | * Map RIB type to LSP type. Used when labeled-routes from BGP | |
452 | * are converted into LSPs. | |
453 | */ | |
d62a17ae | 454 | static inline enum lsp_types_t lsp_type_from_re_type(int re_type) |
40c7bdb0 | 455 | { |
d62a17ae | 456 | switch (re_type) { |
457 | case ZEBRA_ROUTE_STATIC: | |
458 | return ZEBRA_LSP_STATIC; | |
635a039e RW |
459 | case ZEBRA_ROUTE_LDP: |
460 | return ZEBRA_LSP_LDP; | |
d62a17ae | 461 | case ZEBRA_ROUTE_BGP: |
462 | return ZEBRA_LSP_BGP; | |
635a039e RW |
463 | case ZEBRA_ROUTE_OSPF: |
464 | return ZEBRA_LSP_OSPF_SR; | |
26f6acaf RW |
465 | case ZEBRA_ROUTE_ISIS: |
466 | return ZEBRA_LSP_ISIS_SR; | |
339e36d2 DS |
467 | case ZEBRA_ROUTE_SHARP: |
468 | return ZEBRA_LSP_SHARP; | |
31f937fb SM |
469 | case ZEBRA_ROUTE_SRTE: |
470 | return ZEBRA_LSP_SRTE; | |
d62a17ae | 471 | default: |
472 | return ZEBRA_LSP_NONE; | |
473 | } | |
40c7bdb0 | 474 | } |
475 | ||
805444ce RW |
476 | /* |
477 | * Map LSP type to RIB type. | |
478 | */ | |
479 | static inline int re_type_from_lsp_type(enum lsp_types_t lsp_type) | |
480 | { | |
481 | switch (lsp_type) { | |
482 | case ZEBRA_LSP_STATIC: | |
483 | return ZEBRA_ROUTE_STATIC; | |
484 | case ZEBRA_LSP_LDP: | |
485 | return ZEBRA_ROUTE_LDP; | |
486 | case ZEBRA_LSP_BGP: | |
4645cb6b | 487 | case ZEBRA_LSP_EVPN: |
805444ce | 488 | return ZEBRA_ROUTE_BGP; |
635a039e | 489 | case ZEBRA_LSP_OSPF_SR: |
7726c479 | 490 | return ZEBRA_ROUTE_OSPF; |
26f6acaf RW |
491 | case ZEBRA_LSP_ISIS_SR: |
492 | return ZEBRA_ROUTE_ISIS; | |
805444ce | 493 | case ZEBRA_LSP_NONE: |
805444ce | 494 | return ZEBRA_ROUTE_KERNEL; |
339e36d2 DS |
495 | case ZEBRA_LSP_SHARP: |
496 | return ZEBRA_ROUTE_SHARP; | |
31f937fb SM |
497 | case ZEBRA_LSP_SRTE: |
498 | return ZEBRA_ROUTE_SRTE; | |
805444ce | 499 | } |
339e36d2 DS |
500 | |
501 | /* | |
502 | * For some reason certain compilers do not believe | |
503 | * that all the cases have been handled. And | |
504 | * WTF does this work differently than when I removed | |
505 | * the default case???? | |
506 | */ | |
507 | return ZEBRA_ROUTE_KERNEL; | |
805444ce RW |
508 | } |
509 | ||
3ab18ff2 | 510 | /* NHLFE type as printable string. */ |
d62a17ae | 511 | static inline const char *nhlfe_type2str(enum lsp_types_t lsp_type) |
3ab18ff2 | 512 | { |
d62a17ae | 513 | switch (lsp_type) { |
514 | case ZEBRA_LSP_STATIC: | |
515 | return "Static"; | |
516 | case ZEBRA_LSP_LDP: | |
517 | return "LDP"; | |
518 | case ZEBRA_LSP_BGP: | |
519 | return "BGP"; | |
635a039e RW |
520 | case ZEBRA_LSP_OSPF_SR: |
521 | return "SR (OSPF)"; | |
26f6acaf RW |
522 | case ZEBRA_LSP_ISIS_SR: |
523 | return "SR (IS-IS)"; | |
339e36d2 DS |
524 | case ZEBRA_LSP_SHARP: |
525 | return "SHARP"; | |
31f937fb SM |
526 | case ZEBRA_LSP_SRTE: |
527 | return "SR-TE"; | |
4645cb6b SW |
528 | case ZEBRA_LSP_EVPN: |
529 | return "EVPN"; | |
339e36d2 | 530 | case ZEBRA_LSP_NONE: |
d62a17ae | 531 | return "Unknown"; |
532 | } | |
339e36d2 DS |
533 | |
534 | /* | |
535 | * For some reason certain compilers do not believe | |
536 | * that all the cases have been handled. And | |
537 | * WTF does this work differently than when I removed | |
538 | * the default case???? | |
539 | */ | |
540 | return "Unknown"; | |
3ab18ff2 | 541 | } |
542 | ||
a1494c25 DS |
543 | static inline void mpls_mark_lsps_for_processing(struct zebra_vrf *zvrf, |
544 | struct prefix *p) | |
939fba27 | 545 | { |
a1494c25 DS |
546 | struct route_table *table; |
547 | struct route_node *rn; | |
548 | rib_dest_t *dest; | |
549 | ||
d62a17ae | 550 | if (!zvrf) |
551 | return; | |
939fba27 | 552 | |
a1494c25 DS |
553 | table = zvrf->table[family2afi(p->family)][SAFI_UNICAST]; |
554 | if (!table) | |
555 | return; | |
556 | ||
557 | rn = route_node_match(table, p); | |
558 | if (!rn) | |
559 | return; | |
560 | ||
561 | ||
562 | dest = rib_dest_from_rnode(rn); | |
563 | SET_FLAG(dest->flags, RIB_DEST_UPDATE_LSPS); | |
939fba27 | 564 | } |
565 | ||
a1494c25 | 566 | static inline void mpls_unmark_lsps_for_processing(struct route_node *rn) |
939fba27 | 567 | { |
a1494c25 | 568 | rib_dest_t *dest = rib_dest_from_rnode(rn); |
939fba27 | 569 | |
a1494c25 | 570 | UNSET_FLAG(dest->flags, RIB_DEST_UPDATE_LSPS); |
939fba27 | 571 | } |
572 | ||
a1494c25 | 573 | static inline int mpls_should_lsps_be_processed(struct route_node *rn) |
939fba27 | 574 | { |
a1494c25 | 575 | rib_dest_t *dest = rib_dest_from_rnode(rn); |
939fba27 | 576 | |
a1494c25 | 577 | return !!CHECK_FLAG(dest->flags, RIB_DEST_UPDATE_LSPS); |
939fba27 | 578 | } |
579 | ||
fe6c7157 | 580 | /* Global variables. */ |
c87f5c23 | 581 | extern bool mpls_enabled; |
6fb35808 | 582 | extern bool mpls_pw_reach_strict; /* Strict pseudowire reachability checking */ |
fe6c7157 | 583 | |
51e94aa7 EDP |
584 | #ifdef __cplusplus |
585 | } | |
586 | #endif | |
587 | ||
54d48ea1 | 588 | #endif /*_ZEBRA_MPLS_H */ |