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Commit | Line | Data |
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718e3744 | 1 | /* |
2 | * This is an implementation of rfc2370. | |
3 | * Copyright (C) 2001 KDD R&D Laboratories, Inc. | |
4 | * http://www.kddlabs.co.jp/ | |
5 | * | |
6 | * This file is part of GNU Zebra. | |
7 | * | |
8 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
896014f4 | 12 | * |
718e3744 | 13 | * GNU Zebra is distributed in the hope that it will be useful, but |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
896014f4 DL |
18 | * You should have received a copy of the GNU General Public License along |
19 | * with this program; see the file COPYING; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 21 | */ |
22 | ||
718e3744 | 23 | #include <zebra.h> |
718e3744 | 24 | |
25 | #include "linklist.h" | |
26 | #include "prefix.h" | |
27 | #include "if.h" | |
28 | #include "table.h" | |
29 | #include "memory.h" | |
30 | #include "command.h" | |
31 | #include "vty.h" | |
32 | #include "stream.h" | |
33 | #include "log.h" | |
34 | #include "thread.h" | |
35 | #include "hash.h" | |
d62a17ae | 36 | #include "sockunion.h" /* for inet_aton() */ |
718e3744 | 37 | |
38 | #include "ospfd/ospfd.h" | |
39 | #include "ospfd/ospf_interface.h" | |
40 | #include "ospfd/ospf_ism.h" | |
41 | #include "ospfd/ospf_asbr.h" | |
42 | #include "ospfd/ospf_lsa.h" | |
43 | #include "ospfd/ospf_lsdb.h" | |
44 | #include "ospfd/ospf_neighbor.h" | |
45 | #include "ospfd/ospf_nsm.h" | |
46 | #include "ospfd/ospf_flood.h" | |
47 | #include "ospfd/ospf_packet.h" | |
48 | #include "ospfd/ospf_spf.h" | |
49 | #include "ospfd/ospf_dump.h" | |
50 | #include "ospfd/ospf_route.h" | |
51 | #include "ospfd/ospf_ase.h" | |
52 | #include "ospfd/ospf_zebra.h" | |
cf9b9f77 OD |
53 | #include "ospfd/ospf_te.h" |
54 | #include "ospfd/ospf_sr.h" | |
55 | #include "ospfd/ospf_ri.h" | |
56 | #include "ospfd/ospf_ext.h" | |
34f74c7a | 57 | #include "ospfd/ospf_errors.h" |
718e3744 | 58 | |
d62a17ae | 59 | DEFINE_MTYPE_STATIC(OSPFD, OSPF_OPAQUE_FUNCTAB, "OSPF opaque function table") |
fc7948fa | 60 | DEFINE_MTYPE_STATIC(OSPFD, OPAQUE_INFO_PER_TYPE, "OSPF opaque per-type info") |
d62a17ae | 61 | DEFINE_MTYPE_STATIC(OSPFD, OPAQUE_INFO_PER_ID, "OSPF opaque per-ID info") |
fc7948fa | 62 | |
718e3744 | 63 | /*------------------------------------------------------------------------* |
64 | * Followings are initialize/terminate functions for Opaque-LSAs handling. | |
65 | *------------------------------------------------------------------------*/ | |
66 | ||
283ae334 | 67 | #ifdef SUPPORT_OSPF_API |
d62a17ae | 68 | int ospf_apiserver_init(void); |
69 | void ospf_apiserver_term(void); | |
f4d58ce5 | 70 | /* Init apiserver? It's disabled by default. */ |
71 | int ospf_apiserver_enable; | |
283ae334 | 72 | #endif /* SUPPORT_OSPF_API */ |
73 | ||
d62a17ae | 74 | static void ospf_opaque_register_vty(void); |
75 | static void ospf_opaque_funclist_init(void); | |
76 | static void ospf_opaque_funclist_term(void); | |
77 | static void free_opaque_info_per_type(void *val); | |
78 | static void free_opaque_info_per_id(void *val); | |
19274fe8 | 79 | static void free_opaque_info_owner(void *val); |
d62a17ae | 80 | static int ospf_opaque_lsa_install_hook(struct ospf_lsa *lsa); |
81 | static int ospf_opaque_lsa_delete_hook(struct ospf_lsa *lsa); | |
718e3744 | 82 | |
d62a17ae | 83 | void ospf_opaque_init(void) |
718e3744 | 84 | { |
d62a17ae | 85 | ospf_opaque_register_vty(); |
86 | ospf_opaque_funclist_init(); | |
718e3744 | 87 | |
d62a17ae | 88 | if (ospf_mpls_te_init() != 0) |
89 | exit(1); | |
718e3744 | 90 | |
cf9b9f77 OD |
91 | /* Segment Routing init */ |
92 | if (ospf_sr_init() != 0) | |
93 | exit(1); | |
94 | ||
d62a17ae | 95 | if (ospf_router_info_init() != 0) |
96 | exit(1); | |
0ef4bcdc | 97 | |
cf9b9f77 OD |
98 | if (ospf_ext_init() != 0) |
99 | exit(1); | |
100 | ||
283ae334 | 101 | #ifdef SUPPORT_OSPF_API |
d62a17ae | 102 | if ((ospf_apiserver_enable) && (ospf_apiserver_init() != 0)) |
103 | exit(1); | |
283ae334 | 104 | #endif /* SUPPORT_OSPF_API */ |
105 | ||
d62a17ae | 106 | return; |
718e3744 | 107 | } |
108 | ||
d62a17ae | 109 | void ospf_opaque_term(void) |
718e3744 | 110 | { |
d62a17ae | 111 | ospf_mpls_te_term(); |
718e3744 | 112 | |
d62a17ae | 113 | ospf_router_info_term(); |
0ef4bcdc | 114 | |
cf9b9f77 OD |
115 | ospf_ext_term(); |
116 | ||
117 | ospf_sr_term(); | |
118 | ||
283ae334 | 119 | #ifdef SUPPORT_OSPF_API |
d62a17ae | 120 | ospf_apiserver_term(); |
283ae334 | 121 | #endif /* SUPPORT_OSPF_API */ |
122 | ||
d62a17ae | 123 | ospf_opaque_funclist_term(); |
124 | return; | |
718e3744 | 125 | } |
126 | ||
bcf4475e OD |
127 | void ospf_opaque_finish(void) |
128 | { | |
d424f8d8 CG |
129 | ospf_mpls_te_finish(); |
130 | ||
bcf4475e OD |
131 | ospf_router_info_finish(); |
132 | ||
133 | ospf_ext_finish(); | |
134 | ||
135 | ospf_sr_finish(); | |
136 | } | |
137 | ||
d62a17ae | 138 | int ospf_opaque_type9_lsa_init(struct ospf_interface *oi) |
718e3744 | 139 | { |
d62a17ae | 140 | if (oi->opaque_lsa_self != NULL) |
6a154c88 | 141 | list_delete(&oi->opaque_lsa_self); |
718e3744 | 142 | |
d62a17ae | 143 | oi->opaque_lsa_self = list_new(); |
144 | oi->opaque_lsa_self->del = free_opaque_info_per_type; | |
145 | oi->t_opaque_lsa_self = NULL; | |
146 | return 0; | |
718e3744 | 147 | } |
148 | ||
d62a17ae | 149 | void ospf_opaque_type9_lsa_term(struct ospf_interface *oi) |
718e3744 | 150 | { |
d62a17ae | 151 | OSPF_TIMER_OFF(oi->t_opaque_lsa_self); |
152 | if (oi->opaque_lsa_self != NULL) | |
6a154c88 | 153 | list_delete(&oi->opaque_lsa_self); |
d62a17ae | 154 | oi->opaque_lsa_self = NULL; |
155 | return; | |
718e3744 | 156 | } |
157 | ||
d62a17ae | 158 | int ospf_opaque_type10_lsa_init(struct ospf_area *area) |
718e3744 | 159 | { |
d62a17ae | 160 | if (area->opaque_lsa_self != NULL) |
6a154c88 | 161 | list_delete(&area->opaque_lsa_self); |
718e3744 | 162 | |
d62a17ae | 163 | area->opaque_lsa_self = list_new(); |
164 | area->opaque_lsa_self->del = free_opaque_info_per_type; | |
165 | area->t_opaque_lsa_self = NULL; | |
718e3744 | 166 | |
167 | #ifdef MONITOR_LSDB_CHANGE | |
d62a17ae | 168 | area->lsdb->new_lsa_hook = ospf_opaque_lsa_install_hook; |
169 | area->lsdb->del_lsa_hook = ospf_opaque_lsa_delete_hook; | |
718e3744 | 170 | #endif /* MONITOR_LSDB_CHANGE */ |
d62a17ae | 171 | return 0; |
718e3744 | 172 | } |
173 | ||
d62a17ae | 174 | void ospf_opaque_type10_lsa_term(struct ospf_area *area) |
718e3744 | 175 | { |
176 | #ifdef MONITOR_LSDB_CHANGE | |
d62a17ae | 177 | area->lsdb->new_lsa_hook = area->lsdb->del_lsa_hook = NULL; |
718e3744 | 178 | #endif /* MONITOR_LSDB_CHANGE */ |
179 | ||
d62a17ae | 180 | OSPF_TIMER_OFF(area->t_opaque_lsa_self); |
181 | if (area->opaque_lsa_self != NULL) | |
6a154c88 | 182 | list_delete(&area->opaque_lsa_self); |
d62a17ae | 183 | return; |
718e3744 | 184 | } |
185 | ||
d62a17ae | 186 | int ospf_opaque_type11_lsa_init(struct ospf *top) |
718e3744 | 187 | { |
d62a17ae | 188 | if (top->opaque_lsa_self != NULL) |
6a154c88 | 189 | list_delete(&top->opaque_lsa_self); |
718e3744 | 190 | |
d62a17ae | 191 | top->opaque_lsa_self = list_new(); |
192 | top->opaque_lsa_self->del = free_opaque_info_per_type; | |
193 | top->t_opaque_lsa_self = NULL; | |
718e3744 | 194 | |
195 | #ifdef MONITOR_LSDB_CHANGE | |
d62a17ae | 196 | top->lsdb->new_lsa_hook = ospf_opaque_lsa_install_hook; |
197 | top->lsdb->del_lsa_hook = ospf_opaque_lsa_delete_hook; | |
718e3744 | 198 | #endif /* MONITOR_LSDB_CHANGE */ |
d62a17ae | 199 | return 0; |
718e3744 | 200 | } |
201 | ||
d62a17ae | 202 | void ospf_opaque_type11_lsa_term(struct ospf *top) |
718e3744 | 203 | { |
204 | #ifdef MONITOR_LSDB_CHANGE | |
d62a17ae | 205 | top->lsdb->new_lsa_hook = top->lsdb->del_lsa_hook = NULL; |
718e3744 | 206 | #endif /* MONITOR_LSDB_CHANGE */ |
207 | ||
d62a17ae | 208 | OSPF_TIMER_OFF(top->t_opaque_lsa_self); |
209 | if (top->opaque_lsa_self != NULL) | |
6a154c88 | 210 | list_delete(&top->opaque_lsa_self); |
d62a17ae | 211 | return; |
212 | } | |
213 | ||
d7c0a89a | 214 | static const char *ospf_opaque_type_name(uint8_t opaque_type) |
d62a17ae | 215 | { |
216 | const char *name = "Unknown"; | |
217 | ||
218 | switch (opaque_type) { | |
219 | case OPAQUE_TYPE_WILDCARD: /* This is a special assignment! */ | |
220 | name = "Wildcard"; | |
221 | break; | |
222 | case OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA: | |
223 | name = "Traffic Engineering LSA"; | |
224 | break; | |
225 | case OPAQUE_TYPE_SYCAMORE_OPTICAL_TOPOLOGY_DESC: | |
226 | name = "Sycamore optical topology description"; | |
227 | break; | |
228 | case OPAQUE_TYPE_GRACE_LSA: | |
229 | name = "Grace-LSA"; | |
230 | break; | |
231 | case OPAQUE_TYPE_INTER_AS_LSA: | |
232 | name = "Inter-AS TE-v2 LSA"; | |
233 | break; | |
234 | case OPAQUE_TYPE_ROUTER_INFORMATION_LSA: | |
235 | name = "Router Information LSA"; | |
236 | break; | |
cf9b9f77 OD |
237 | case OPAQUE_TYPE_EXTENDED_PREFIX_LSA: |
238 | name = "Extended Prefix Opaque LSA"; | |
239 | break; | |
240 | case OPAQUE_TYPE_EXTENDED_LINK_LSA: | |
241 | name = "Extended Link Opaque LSA"; | |
242 | break; | |
d62a17ae | 243 | default: |
244 | if (OPAQUE_TYPE_RANGE_UNASSIGNED(opaque_type)) | |
245 | name = "Unassigned"; | |
246 | else { | |
d7c0a89a | 247 | uint32_t bigger_range = opaque_type; |
d62a17ae | 248 | /* |
249 | * Get around type-limits warning: comparison is always | |
250 | * true due to limited range of data type | |
251 | */ | |
252 | if (OPAQUE_TYPE_RANGE_RESERVED(bigger_range)) | |
253 | name = "Private/Experimental"; | |
254 | } | |
255 | break; | |
256 | } | |
257 | return name; | |
718e3744 | 258 | } |
259 | ||
260 | /*------------------------------------------------------------------------* | |
261 | * Followings are management functions to store user specified callbacks. | |
262 | *------------------------------------------------------------------------*/ | |
263 | ||
264 | struct opaque_info_per_type; /* Forward declaration. */ | |
265 | ||
d62a17ae | 266 | struct ospf_opaque_functab { |
d7c0a89a | 267 | uint8_t opaque_type; |
d62a17ae | 268 | struct opaque_info_per_type *oipt; |
269 | ||
270 | int (*new_if_hook)(struct interface *ifp); | |
271 | int (*del_if_hook)(struct interface *ifp); | |
272 | void (*ism_change_hook)(struct ospf_interface *oi, int old_status); | |
273 | void (*nsm_change_hook)(struct ospf_neighbor *nbr, int old_status); | |
274 | void (*config_write_router)(struct vty *vty); | |
275 | void (*config_write_if)(struct vty *vty, struct interface *ifp); | |
276 | void (*config_write_debug)(struct vty *vty); | |
277 | void (*show_opaque_info)(struct vty *vty, struct ospf_lsa *lsa); | |
278 | int (*lsa_originator)(void *arg); | |
279 | struct ospf_lsa *(*lsa_refresher)(struct ospf_lsa *lsa); | |
280 | int (*new_lsa_hook)(struct ospf_lsa *lsa); | |
281 | int (*del_lsa_hook)(struct ospf_lsa *lsa); | |
718e3744 | 282 | }; |
283 | ||
87d6f87a | 284 | /* Handle LSA-9/10/11 altogether. */ |
285 | static struct list *ospf_opaque_wildcard_funclist; | |
286 | static struct list *ospf_opaque_type9_funclist; | |
287 | static struct list *ospf_opaque_type10_funclist; | |
288 | static struct list *ospf_opaque_type11_funclist; | |
718e3744 | 289 | |
d62a17ae | 290 | static void ospf_opaque_del_functab(void *val) |
718e3744 | 291 | { |
d62a17ae | 292 | XFREE(MTYPE_OSPF_OPAQUE_FUNCTAB, val); |
293 | return; | |
718e3744 | 294 | } |
295 | ||
d62a17ae | 296 | static void ospf_opaque_funclist_init(void) |
718e3744 | 297 | { |
d62a17ae | 298 | struct list *funclist; |
718e3744 | 299 | |
d62a17ae | 300 | funclist = ospf_opaque_wildcard_funclist = list_new(); |
301 | funclist->del = ospf_opaque_del_functab; | |
09e4efdc | 302 | |
d62a17ae | 303 | funclist = ospf_opaque_type9_funclist = list_new(); |
304 | funclist->del = ospf_opaque_del_functab; | |
718e3744 | 305 | |
d62a17ae | 306 | funclist = ospf_opaque_type10_funclist = list_new(); |
307 | funclist->del = ospf_opaque_del_functab; | |
718e3744 | 308 | |
d62a17ae | 309 | funclist = ospf_opaque_type11_funclist = list_new(); |
310 | funclist->del = ospf_opaque_del_functab; | |
311 | return; | |
718e3744 | 312 | } |
313 | ||
d62a17ae | 314 | static void ospf_opaque_funclist_term(void) |
718e3744 | 315 | { |
d62a17ae | 316 | struct list *funclist; |
718e3744 | 317 | |
d62a17ae | 318 | funclist = ospf_opaque_wildcard_funclist; |
6a154c88 | 319 | list_delete(&funclist); |
09e4efdc | 320 | |
d62a17ae | 321 | funclist = ospf_opaque_type9_funclist; |
6a154c88 | 322 | list_delete(&funclist); |
718e3744 | 323 | |
d62a17ae | 324 | funclist = ospf_opaque_type10_funclist; |
6a154c88 | 325 | list_delete(&funclist); |
718e3744 | 326 | |
d62a17ae | 327 | funclist = ospf_opaque_type11_funclist; |
6a154c88 | 328 | list_delete(&funclist); |
d62a17ae | 329 | return; |
718e3744 | 330 | } |
331 | ||
d7c0a89a | 332 | static struct list *ospf_get_opaque_funclist(uint8_t lsa_type) |
718e3744 | 333 | { |
d62a17ae | 334 | struct list *funclist = NULL; |
718e3744 | 335 | |
d62a17ae | 336 | switch (lsa_type) { |
337 | case OPAQUE_TYPE_WILDCARD: | |
338 | /* XXX | |
339 | * This is an ugly trick to handle type-9/10/11 LSA altogether. | |
340 | * Yes, "OPAQUE_TYPE_WILDCARD (value 0)" is not an LSA-type, nor | |
341 | * an officially assigned opaque-type. | |
342 | * Though it is possible that the value might be officially used | |
343 | * in the future, we use it internally as a special label, for | |
344 | * now. | |
345 | */ | |
346 | funclist = ospf_opaque_wildcard_funclist; | |
347 | break; | |
348 | case OSPF_OPAQUE_LINK_LSA: | |
349 | funclist = ospf_opaque_type9_funclist; | |
350 | break; | |
351 | case OSPF_OPAQUE_AREA_LSA: | |
352 | funclist = ospf_opaque_type10_funclist; | |
353 | break; | |
354 | case OSPF_OPAQUE_AS_LSA: | |
355 | funclist = ospf_opaque_type11_funclist; | |
356 | break; | |
357 | default: | |
cf444bcf | 358 | flog_warn(EC_OSPF_LSA_UNEXPECTED, |
34f74c7a | 359 | "ospf_get_opaque_funclist: Unexpected LSA-type(%u)", |
d62a17ae | 360 | lsa_type); |
361 | break; | |
362 | } | |
363 | return funclist; | |
718e3744 | 364 | } |
365 | ||
87d6f87a | 366 | /* XXX: such a huge argument list can /not/ be healthy... */ |
d62a17ae | 367 | int ospf_register_opaque_functab( |
d7c0a89a | 368 | uint8_t lsa_type, uint8_t opaque_type, |
d62a17ae | 369 | int (*new_if_hook)(struct interface *ifp), |
370 | int (*del_if_hook)(struct interface *ifp), | |
371 | void (*ism_change_hook)(struct ospf_interface *oi, int old_status), | |
372 | void (*nsm_change_hook)(struct ospf_neighbor *nbr, int old_status), | |
373 | void (*config_write_router)(struct vty *vty), | |
374 | void (*config_write_if)(struct vty *vty, struct interface *ifp), | |
375 | void (*config_write_debug)(struct vty *vty), | |
376 | void (*show_opaque_info)(struct vty *vty, struct ospf_lsa *lsa), | |
377 | int (*lsa_originator)(void *arg), | |
378 | struct ospf_lsa *(*lsa_refresher)(struct ospf_lsa *lsa), | |
379 | int (*new_lsa_hook)(struct ospf_lsa *lsa), | |
380 | int (*del_lsa_hook)(struct ospf_lsa *lsa)) | |
381 | { | |
382 | struct list *funclist; | |
383 | struct ospf_opaque_functab *new; | |
d62a17ae | 384 | |
34f74c7a DS |
385 | if ((funclist = ospf_get_opaque_funclist(lsa_type)) == NULL) |
386 | return -1; | |
d62a17ae | 387 | |
34f74c7a DS |
388 | struct listnode *node, *nnode; |
389 | struct ospf_opaque_functab *functab; | |
390 | ||
391 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) | |
392 | if (functab->opaque_type == opaque_type) { | |
393 | flog_warn( | |
cf444bcf | 394 | EC_OSPF_LSA, |
34f74c7a DS |
395 | "ospf_register_opaque_functab: Duplicated entry?: lsa_type(%u), opaque_type(%u)", |
396 | lsa_type, opaque_type); | |
397 | return -1; | |
398 | } | |
d62a17ae | 399 | |
0ce1ca80 DS |
400 | new = XCALLOC(MTYPE_OSPF_OPAQUE_FUNCTAB, |
401 | sizeof(struct ospf_opaque_functab)); | |
d62a17ae | 402 | |
403 | new->opaque_type = opaque_type; | |
404 | new->oipt = NULL; | |
405 | new->new_if_hook = new_if_hook; | |
406 | new->del_if_hook = del_if_hook; | |
407 | new->ism_change_hook = ism_change_hook; | |
408 | new->nsm_change_hook = nsm_change_hook; | |
409 | new->config_write_router = config_write_router; | |
410 | new->config_write_if = config_write_if; | |
411 | new->config_write_debug = config_write_debug; | |
412 | new->show_opaque_info = show_opaque_info; | |
413 | new->lsa_originator = lsa_originator; | |
414 | new->lsa_refresher = lsa_refresher; | |
415 | new->new_lsa_hook = new_lsa_hook; | |
416 | new->del_lsa_hook = del_lsa_hook; | |
417 | ||
418 | listnode_add(funclist, new); | |
718e3744 | 419 | |
34f74c7a | 420 | return 0; |
718e3744 | 421 | } |
422 | ||
d7c0a89a | 423 | void ospf_delete_opaque_functab(uint8_t lsa_type, uint8_t opaque_type) |
718e3744 | 424 | { |
d62a17ae | 425 | struct list *funclist; |
426 | struct listnode *node, *nnode; | |
427 | struct ospf_opaque_functab *functab; | |
718e3744 | 428 | |
d62a17ae | 429 | if ((funclist = ospf_get_opaque_funclist(lsa_type)) != NULL) |
430 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) { | |
431 | if (functab->opaque_type == opaque_type) { | |
432 | /* Cleanup internal control information, if it | |
433 | * still remains. */ | |
19274fe8 | 434 | if (functab->oipt != NULL) { |
ae82bb75 | 435 | free_opaque_info_owner(functab->oipt); |
d62a17ae | 436 | free_opaque_info_per_type( |
437 | functab->oipt); | |
19274fe8 | 438 | } |
718e3744 | 439 | |
d62a17ae | 440 | /* Dequeue listnode entry from the list. */ |
441 | listnode_delete(funclist, functab); | |
718e3744 | 442 | |
d62a17ae | 443 | XFREE(MTYPE_OSPF_OPAQUE_FUNCTAB, functab); |
444 | break; | |
445 | } | |
446 | } | |
87d6f87a | 447 | |
d62a17ae | 448 | return; |
718e3744 | 449 | } |
450 | ||
451 | static struct ospf_opaque_functab * | |
d62a17ae | 452 | ospf_opaque_functab_lookup(struct ospf_lsa *lsa) |
718e3744 | 453 | { |
d62a17ae | 454 | struct list *funclist; |
455 | struct listnode *node; | |
456 | struct ospf_opaque_functab *functab; | |
d7c0a89a | 457 | uint8_t key = GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)); |
718e3744 | 458 | |
d62a17ae | 459 | if ((funclist = ospf_get_opaque_funclist(lsa->data->type)) != NULL) |
460 | for (ALL_LIST_ELEMENTS_RO(funclist, node, functab)) | |
461 | if (functab->opaque_type == key) | |
462 | return functab; | |
718e3744 | 463 | |
d62a17ae | 464 | return NULL; |
718e3744 | 465 | } |
466 | ||
467 | /*------------------------------------------------------------------------* | |
468 | * Followings are management functions for self-originated LSA entries. | |
469 | *------------------------------------------------------------------------*/ | |
470 | ||
471 | /* | |
472 | * Opaque-LSA control information per opaque-type. | |
473 | * Single Opaque-Type may have multiple instances; each of them will be | |
474 | * identified by their opaque-id. | |
475 | */ | |
d62a17ae | 476 | struct opaque_info_per_type { |
d7c0a89a QY |
477 | uint8_t lsa_type; |
478 | uint8_t opaque_type; | |
d62a17ae | 479 | |
480 | enum { PROC_NORMAL, PROC_SUSPEND } status; | |
481 | ||
482 | /* | |
483 | * Thread for (re-)origination scheduling for this opaque-type. | |
484 | * | |
485 | * Initial origination of Opaque-LSAs is controlled by generic | |
486 | * Opaque-LSA handling module so that same opaque-type entries are | |
487 | * called all at once when certain conditions are met. | |
488 | * However, there might be cases that some Opaque-LSA clients need | |
489 | * to (re-)originate their own Opaque-LSAs out-of-sync with others. | |
490 | * This thread is prepared for that specific purpose. | |
491 | */ | |
492 | struct thread *t_opaque_lsa_self; | |
493 | ||
494 | /* | |
495 | * Backpointer to an "owner" which is LSA-type dependent. | |
496 | * type-9: struct ospf_interface | |
497 | * type-10: struct ospf_area | |
498 | * type-11: struct ospf | |
499 | */ | |
500 | void *owner; | |
501 | ||
502 | /* Collection of callback functions for this opaque-type. */ | |
503 | struct ospf_opaque_functab *functab; | |
504 | ||
0437e105 | 505 | /* List of Opaque-LSA control information per opaque-id. */ |
d62a17ae | 506 | struct list *id_list; |
718e3744 | 507 | }; |
508 | ||
509 | /* Opaque-LSA control information per opaque-id. */ | |
d62a17ae | 510 | struct opaque_info_per_id { |
d7c0a89a | 511 | uint32_t opaque_id; |
718e3744 | 512 | |
d62a17ae | 513 | /* Thread for refresh/flush scheduling for this opaque-type/id. */ |
514 | struct thread *t_opaque_lsa_self; | |
718e3744 | 515 | |
d62a17ae | 516 | /* Backpointer to Opaque-LSA control information per opaque-type. */ |
517 | struct opaque_info_per_type *opqctl_type; | |
718e3744 | 518 | |
d62a17ae | 519 | /* Here comes an actual Opaque-LSA entry for this opaque-type/id. */ |
520 | struct ospf_lsa *lsa; | |
718e3744 | 521 | }; |
522 | ||
d62a17ae | 523 | static struct opaque_info_per_type * |
524 | register_opaque_info_per_type(struct ospf_opaque_functab *functab, | |
525 | struct ospf_lsa *new); | |
526 | static struct opaque_info_per_type * | |
527 | lookup_opaque_info_by_type(struct ospf_lsa *lsa); | |
528 | static struct opaque_info_per_id * | |
529 | register_opaque_info_per_id(struct opaque_info_per_type *oipt, | |
530 | struct ospf_lsa *new); | |
531 | static struct opaque_info_per_id * | |
532 | lookup_opaque_info_by_id(struct opaque_info_per_type *oipt, | |
533 | struct ospf_lsa *lsa); | |
534 | static struct opaque_info_per_id *register_opaque_lsa(struct ospf_lsa *new); | |
718e3744 | 535 | |
536 | ||
537 | static struct opaque_info_per_type * | |
d62a17ae | 538 | register_opaque_info_per_type(struct ospf_opaque_functab *functab, |
539 | struct ospf_lsa *new) | |
540 | { | |
541 | struct ospf *top; | |
542 | struct opaque_info_per_type *oipt; | |
543 | ||
0ce1ca80 DS |
544 | oipt = XCALLOC(MTYPE_OPAQUE_INFO_PER_TYPE, |
545 | sizeof(struct opaque_info_per_type)); | |
d62a17ae | 546 | |
547 | switch (new->data->type) { | |
548 | case OSPF_OPAQUE_LINK_LSA: | |
549 | oipt->owner = new->oi; | |
550 | listnode_add(new->oi->opaque_lsa_self, oipt); | |
551 | break; | |
552 | case OSPF_OPAQUE_AREA_LSA: | |
553 | oipt->owner = new->area; | |
554 | listnode_add(new->area->opaque_lsa_self, oipt); | |
555 | break; | |
556 | case OSPF_OPAQUE_AS_LSA: | |
b5a8894d | 557 | top = ospf_lookup_by_vrf_id(new->vrf_id); |
d62a17ae | 558 | if (new->area != NULL && (top = new->area->ospf) == NULL) { |
19274fe8 | 559 | free_opaque_info_owner(oipt); |
ae82bb75 | 560 | free_opaque_info_per_type(oipt); |
d62a17ae | 561 | oipt = NULL; |
562 | goto out; /* This case may not exist. */ | |
563 | } | |
564 | oipt->owner = top; | |
565 | listnode_add(top->opaque_lsa_self, oipt); | |
566 | break; | |
567 | default: | |
34f74c7a | 568 | flog_warn( |
cf444bcf | 569 | EC_OSPF_LSA_UNEXPECTED, |
d62a17ae | 570 | "register_opaque_info_per_type: Unexpected LSA-type(%u)", |
571 | new->data->type); | |
19274fe8 | 572 | free_opaque_info_owner(oipt); |
ae82bb75 | 573 | free_opaque_info_per_type(oipt); |
d62a17ae | 574 | oipt = NULL; |
575 | goto out; /* This case may not exist. */ | |
576 | } | |
577 | ||
578 | oipt->lsa_type = new->data->type; | |
579 | oipt->opaque_type = GET_OPAQUE_TYPE(ntohl(new->data->id.s_addr)); | |
580 | oipt->status = PROC_NORMAL; | |
581 | oipt->t_opaque_lsa_self = NULL; | |
582 | oipt->functab = functab; | |
583 | functab->oipt = oipt; | |
584 | oipt->id_list = list_new(); | |
585 | oipt->id_list->del = free_opaque_info_per_id; | |
718e3744 | 586 | |
587 | out: | |
d62a17ae | 588 | return oipt; |
589 | } | |
590 | ||
19274fe8 OD |
591 | /* Remove "oipt" from its owner's self-originated LSA list. */ |
592 | static void free_opaque_info_owner(void *val) | |
593 | { | |
594 | struct opaque_info_per_type *oipt = (struct opaque_info_per_type *)val; | |
595 | ||
996c9314 LB |
596 | switch (oipt->lsa_type) { |
597 | case OSPF_OPAQUE_LINK_LSA: { | |
598 | struct ospf_interface *oi = | |
599 | (struct ospf_interface *)(oipt->owner); | |
600 | listnode_delete(oi->opaque_lsa_self, oipt); | |
601 | break; | |
602 | } | |
603 | case OSPF_OPAQUE_AREA_LSA: { | |
604 | struct ospf_area *area = (struct ospf_area *)(oipt->owner); | |
605 | listnode_delete(area->opaque_lsa_self, oipt); | |
606 | break; | |
607 | } | |
608 | case OSPF_OPAQUE_AS_LSA: { | |
609 | struct ospf *top = (struct ospf *)(oipt->owner); | |
610 | listnode_delete(top->opaque_lsa_self, oipt); | |
611 | break; | |
612 | } | |
613 | default: | |
cf444bcf | 614 | flog_warn(EC_OSPF_LSA_UNEXPECTED, |
34f74c7a | 615 | "free_opaque_info_owner: Unexpected LSA-type(%u)", |
996c9314 LB |
616 | oipt->lsa_type); |
617 | break; /* This case may not exist. */ | |
618 | } | |
19274fe8 OD |
619 | } |
620 | ||
d62a17ae | 621 | static void free_opaque_info_per_type(void *val) |
622 | { | |
623 | struct opaque_info_per_type *oipt = (struct opaque_info_per_type *)val; | |
624 | struct opaque_info_per_id *oipi; | |
625 | struct ospf_lsa *lsa; | |
626 | struct listnode *node, *nnode; | |
627 | ||
628 | /* Control information per opaque-id may still exist. */ | |
629 | for (ALL_LIST_ELEMENTS(oipt->id_list, node, nnode, oipi)) { | |
630 | if ((lsa = oipi->lsa) == NULL) | |
631 | continue; | |
632 | if (IS_LSA_MAXAGE(lsa)) | |
633 | continue; | |
634 | ospf_opaque_lsa_flush_schedule(lsa); | |
635 | } | |
636 | ||
d62a17ae | 637 | OSPF_TIMER_OFF(oipt->t_opaque_lsa_self); |
6a154c88 | 638 | list_delete(&oipt->id_list); |
d62a17ae | 639 | XFREE(MTYPE_OPAQUE_INFO_PER_TYPE, oipt); |
640 | return; | |
718e3744 | 641 | } |
642 | ||
643 | static struct opaque_info_per_type * | |
d62a17ae | 644 | lookup_opaque_info_by_type(struct ospf_lsa *lsa) |
645 | { | |
646 | struct ospf *top; | |
647 | struct ospf_area *area; | |
648 | struct ospf_interface *oi; | |
649 | struct list *listtop = NULL; | |
650 | struct listnode *node, *nnode; | |
651 | struct opaque_info_per_type *oipt = NULL; | |
d7c0a89a | 652 | uint8_t key = GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)); |
d62a17ae | 653 | |
654 | switch (lsa->data->type) { | |
655 | case OSPF_OPAQUE_LINK_LSA: | |
656 | if ((oi = lsa->oi) != NULL) | |
657 | listtop = oi->opaque_lsa_self; | |
658 | else | |
34f74c7a | 659 | flog_warn( |
cf444bcf | 660 | EC_OSPF_LSA, |
d62a17ae | 661 | "Type-9 Opaque-LSA: Reference to OI is missing?"); |
662 | break; | |
663 | case OSPF_OPAQUE_AREA_LSA: | |
664 | if ((area = lsa->area) != NULL) | |
665 | listtop = area->opaque_lsa_self; | |
666 | else | |
34f74c7a | 667 | flog_warn( |
cf444bcf | 668 | EC_OSPF_LSA, |
d62a17ae | 669 | "Type-10 Opaque-LSA: Reference to AREA is missing?"); |
670 | break; | |
671 | case OSPF_OPAQUE_AS_LSA: | |
b5a8894d | 672 | top = ospf_lookup_by_vrf_id(lsa->vrf_id); |
d62a17ae | 673 | if ((area = lsa->area) != NULL && (top = area->ospf) == NULL) { |
34f74c7a | 674 | flog_warn( |
cf444bcf | 675 | EC_OSPF_LSA, |
d62a17ae | 676 | "Type-11 Opaque-LSA: Reference to OSPF is missing?"); |
677 | break; /* Unlikely to happen. */ | |
678 | } | |
679 | listtop = top->opaque_lsa_self; | |
680 | break; | |
681 | default: | |
cf444bcf | 682 | flog_warn(EC_OSPF_LSA_UNEXPECTED, |
34f74c7a | 683 | "lookup_opaque_info_by_type: Unexpected LSA-type(%u)", |
d62a17ae | 684 | lsa->data->type); |
685 | break; | |
686 | } | |
687 | ||
688 | if (listtop != NULL) | |
689 | for (ALL_LIST_ELEMENTS(listtop, node, nnode, oipt)) | |
690 | if (oipt->opaque_type == key) | |
691 | return oipt; | |
692 | ||
693 | return NULL; | |
718e3744 | 694 | } |
695 | ||
696 | static struct opaque_info_per_id * | |
d62a17ae | 697 | register_opaque_info_per_id(struct opaque_info_per_type *oipt, |
698 | struct ospf_lsa *new) | |
718e3744 | 699 | { |
d62a17ae | 700 | struct opaque_info_per_id *oipi; |
718e3744 | 701 | |
0ce1ca80 DS |
702 | oipi = XCALLOC(MTYPE_OPAQUE_INFO_PER_ID, |
703 | sizeof(struct opaque_info_per_id)); | |
704 | ||
d62a17ae | 705 | oipi->opaque_id = GET_OPAQUE_ID(ntohl(new->data->id.s_addr)); |
706 | oipi->t_opaque_lsa_self = NULL; | |
707 | oipi->opqctl_type = oipt; | |
708 | oipi->lsa = ospf_lsa_lock(new); | |
718e3744 | 709 | |
d62a17ae | 710 | listnode_add(oipt->id_list, oipi); |
718e3744 | 711 | |
d62a17ae | 712 | return oipi; |
718e3744 | 713 | } |
714 | ||
d62a17ae | 715 | static void free_opaque_info_per_id(void *val) |
718e3744 | 716 | { |
d62a17ae | 717 | struct opaque_info_per_id *oipi = (struct opaque_info_per_id *)val; |
718e3744 | 718 | |
d62a17ae | 719 | OSPF_TIMER_OFF(oipi->t_opaque_lsa_self); |
720 | if (oipi->lsa != NULL) | |
721 | ospf_lsa_unlock(&oipi->lsa); | |
722 | XFREE(MTYPE_OPAQUE_INFO_PER_ID, oipi); | |
723 | return; | |
718e3744 | 724 | } |
725 | ||
726 | static struct opaque_info_per_id * | |
d62a17ae | 727 | lookup_opaque_info_by_id(struct opaque_info_per_type *oipt, |
728 | struct ospf_lsa *lsa) | |
718e3744 | 729 | { |
d62a17ae | 730 | struct listnode *node, *nnode; |
731 | struct opaque_info_per_id *oipi; | |
d7c0a89a | 732 | uint32_t key = GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr)); |
718e3744 | 733 | |
d62a17ae | 734 | for (ALL_LIST_ELEMENTS(oipt->id_list, node, nnode, oipi)) |
735 | if (oipi->opaque_id == key) | |
736 | return oipi; | |
718e3744 | 737 | |
d62a17ae | 738 | return NULL; |
718e3744 | 739 | } |
740 | ||
d62a17ae | 741 | static struct opaque_info_per_id *register_opaque_lsa(struct ospf_lsa *new) |
718e3744 | 742 | { |
d62a17ae | 743 | struct ospf_opaque_functab *functab; |
744 | struct opaque_info_per_type *oipt; | |
745 | struct opaque_info_per_id *oipi = NULL; | |
718e3744 | 746 | |
d62a17ae | 747 | if ((functab = ospf_opaque_functab_lookup(new)) == NULL) |
748 | goto out; | |
718e3744 | 749 | |
d62a17ae | 750 | if ((oipt = lookup_opaque_info_by_type(new)) == NULL |
751 | && (oipt = register_opaque_info_per_type(functab, new)) == NULL) | |
752 | goto out; | |
718e3744 | 753 | |
d62a17ae | 754 | if ((oipi = register_opaque_info_per_id(oipt, new)) == NULL) |
755 | goto out; | |
718e3744 | 756 | |
757 | out: | |
d62a17ae | 758 | return oipi; |
718e3744 | 759 | } |
760 | ||
761 | /*------------------------------------------------------------------------* | |
762 | * Followings are (vty) configuration functions for Opaque-LSAs handling. | |
763 | *------------------------------------------------------------------------*/ | |
764 | ||
765 | DEFUN (capability_opaque, | |
766 | capability_opaque_cmd, | |
767 | "capability opaque", | |
768 | "Enable specific OSPF feature\n" | |
769 | "Opaque LSA\n") | |
770 | { | |
a3d826f0 | 771 | VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf); |
718e3744 | 772 | |
d62a17ae | 773 | /* Turn on the "master switch" of opaque-lsa capability. */ |
774 | if (!CHECK_FLAG(ospf->config, OSPF_OPAQUE_CAPABLE)) { | |
775 | if (IS_DEBUG_OSPF_EVENT) | |
776 | zlog_debug("Opaque capability: OFF -> ON"); | |
718e3744 | 777 | |
d62a17ae | 778 | SET_FLAG(ospf->config, OSPF_OPAQUE_CAPABLE); |
779 | ospf_renegotiate_optional_capabilities(ospf); | |
780 | } | |
781 | return CMD_SUCCESS; | |
718e3744 | 782 | } |
783 | ||
692b4c65 QY |
784 | DEFUN (ospf_opaque, |
785 | ospf_opaque_cmd, | |
786 | "ospf opaque-lsa", | |
787 | "OSPF specific commands\n" | |
788 | "Enable the Opaque-LSA capability (rfc2370)\n") | |
789 | { | |
d62a17ae | 790 | return capability_opaque(self, vty, argc, argv); |
692b4c65 | 791 | } |
718e3744 | 792 | |
793 | DEFUN (no_capability_opaque, | |
794 | no_capability_opaque_cmd, | |
795 | "no capability opaque", | |
796 | NO_STR | |
797 | "Enable specific OSPF feature\n" | |
798 | "Opaque LSA\n") | |
799 | { | |
a3d826f0 | 800 | VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf); |
718e3744 | 801 | |
d62a17ae | 802 | /* Turn off the "master switch" of opaque-lsa capability. */ |
803 | if (CHECK_FLAG(ospf->config, OSPF_OPAQUE_CAPABLE)) { | |
804 | if (IS_DEBUG_OSPF_EVENT) | |
805 | zlog_debug("Opaque capability: ON -> OFF"); | |
718e3744 | 806 | |
d62a17ae | 807 | UNSET_FLAG(ospf->config, OSPF_OPAQUE_CAPABLE); |
808 | ospf_renegotiate_optional_capabilities(ospf); | |
809 | } | |
810 | return CMD_SUCCESS; | |
718e3744 | 811 | } |
812 | ||
692b4c65 QY |
813 | DEFUN (no_ospf_opaque, |
814 | no_ospf_opaque_cmd, | |
815 | "no ospf opaque-lsa", | |
816 | NO_STR | |
817 | "OSPF specific commands\n" | |
818 | "Enable the Opaque-LSA capability (rfc2370)\n") | |
819 | { | |
d62a17ae | 820 | return no_capability_opaque(self, vty, argc, argv); |
692b4c65 | 821 | } |
718e3744 | 822 | |
d62a17ae | 823 | static void ospf_opaque_register_vty(void) |
718e3744 | 824 | { |
d62a17ae | 825 | install_element(OSPF_NODE, &capability_opaque_cmd); |
826 | install_element(OSPF_NODE, &no_capability_opaque_cmd); | |
827 | install_element(OSPF_NODE, &ospf_opaque_cmd); | |
828 | install_element(OSPF_NODE, &no_ospf_opaque_cmd); | |
829 | return; | |
718e3744 | 830 | } |
831 | ||
832 | /*------------------------------------------------------------------------* | |
833 | * Followings are collection of user-registered function callers. | |
834 | *------------------------------------------------------------------------*/ | |
835 | ||
d62a17ae | 836 | static int opaque_lsa_new_if_callback(struct list *funclist, |
837 | struct interface *ifp) | |
718e3744 | 838 | { |
d62a17ae | 839 | struct listnode *node, *nnode; |
840 | struct ospf_opaque_functab *functab; | |
841 | int rc = -1; | |
718e3744 | 842 | |
d62a17ae | 843 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
844 | if (functab->new_if_hook != NULL) | |
845 | if ((*functab->new_if_hook)(ifp) != 0) | |
846 | goto out; | |
847 | rc = 0; | |
718e3744 | 848 | out: |
d62a17ae | 849 | return rc; |
718e3744 | 850 | } |
851 | ||
d62a17ae | 852 | static int opaque_lsa_del_if_callback(struct list *funclist, |
853 | struct interface *ifp) | |
718e3744 | 854 | { |
d62a17ae | 855 | struct listnode *node, *nnode; |
856 | struct ospf_opaque_functab *functab; | |
857 | int rc = -1; | |
718e3744 | 858 | |
d62a17ae | 859 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
860 | if (functab->del_if_hook != NULL) | |
861 | if ((*functab->del_if_hook)(ifp) != 0) | |
862 | goto out; | |
863 | rc = 0; | |
718e3744 | 864 | out: |
d62a17ae | 865 | return rc; |
718e3744 | 866 | } |
867 | ||
d62a17ae | 868 | static void opaque_lsa_ism_change_callback(struct list *funclist, |
869 | struct ospf_interface *oi, | |
870 | int old_status) | |
718e3744 | 871 | { |
d62a17ae | 872 | struct listnode *node, *nnode; |
873 | struct ospf_opaque_functab *functab; | |
718e3744 | 874 | |
d62a17ae | 875 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
876 | if (functab->ism_change_hook != NULL) | |
877 | (*functab->ism_change_hook)(oi, old_status); | |
87d6f87a | 878 | |
d62a17ae | 879 | return; |
718e3744 | 880 | } |
881 | ||
d62a17ae | 882 | static void opaque_lsa_nsm_change_callback(struct list *funclist, |
883 | struct ospf_neighbor *nbr, | |
884 | int old_status) | |
718e3744 | 885 | { |
d62a17ae | 886 | struct listnode *node, *nnode; |
887 | struct ospf_opaque_functab *functab; | |
718e3744 | 888 | |
d62a17ae | 889 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
890 | if (functab->nsm_change_hook != NULL) | |
891 | (*functab->nsm_change_hook)(nbr, old_status); | |
892 | return; | |
718e3744 | 893 | } |
894 | ||
d62a17ae | 895 | static void opaque_lsa_config_write_router_callback(struct list *funclist, |
896 | struct vty *vty) | |
718e3744 | 897 | { |
d62a17ae | 898 | struct listnode *node, *nnode; |
899 | struct ospf_opaque_functab *functab; | |
718e3744 | 900 | |
d62a17ae | 901 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
902 | if (functab->config_write_router != NULL) | |
903 | (*functab->config_write_router)(vty); | |
904 | return; | |
718e3744 | 905 | } |
906 | ||
d62a17ae | 907 | static void opaque_lsa_config_write_if_callback(struct list *funclist, |
908 | struct vty *vty, | |
909 | struct interface *ifp) | |
718e3744 | 910 | { |
d62a17ae | 911 | struct listnode *node, *nnode; |
912 | struct ospf_opaque_functab *functab; | |
718e3744 | 913 | |
d62a17ae | 914 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
915 | if (functab->config_write_if != NULL) | |
916 | (*functab->config_write_if)(vty, ifp); | |
917 | return; | |
718e3744 | 918 | } |
919 | ||
d62a17ae | 920 | static void opaque_lsa_config_write_debug_callback(struct list *funclist, |
921 | struct vty *vty) | |
718e3744 | 922 | { |
d62a17ae | 923 | struct listnode *node, *nnode; |
924 | struct ospf_opaque_functab *functab; | |
718e3744 | 925 | |
d62a17ae | 926 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
927 | if (functab->config_write_debug != NULL) | |
928 | (*functab->config_write_debug)(vty); | |
929 | return; | |
718e3744 | 930 | } |
931 | ||
d62a17ae | 932 | static int opaque_lsa_originate_callback(struct list *funclist, |
933 | void *lsa_type_dependent) | |
718e3744 | 934 | { |
d62a17ae | 935 | struct listnode *node, *nnode; |
936 | struct ospf_opaque_functab *functab; | |
937 | int rc = -1; | |
718e3744 | 938 | |
d62a17ae | 939 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) |
940 | if (functab->lsa_originator != NULL) | |
941 | if ((*functab->lsa_originator)(lsa_type_dependent) != 0) | |
942 | goto out; | |
943 | rc = 0; | |
718e3744 | 944 | out: |
d62a17ae | 945 | return rc; |
718e3744 | 946 | } |
947 | ||
d62a17ae | 948 | static int new_lsa_callback(struct list *funclist, struct ospf_lsa *lsa) |
718e3744 | 949 | { |
d62a17ae | 950 | struct listnode *node, *nnode; |
951 | struct ospf_opaque_functab *functab; | |
952 | int rc = -1; | |
718e3744 | 953 | |
d62a17ae | 954 | /* This function handles ALL types of LSAs, not only opaque ones. */ |
955 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) | |
956 | if (functab->new_lsa_hook != NULL) | |
957 | if ((*functab->new_lsa_hook)(lsa) != 0) | |
958 | goto out; | |
959 | rc = 0; | |
718e3744 | 960 | out: |
d62a17ae | 961 | return rc; |
718e3744 | 962 | } |
963 | ||
d62a17ae | 964 | static int del_lsa_callback(struct list *funclist, struct ospf_lsa *lsa) |
718e3744 | 965 | { |
d62a17ae | 966 | struct listnode *node, *nnode; |
967 | struct ospf_opaque_functab *functab; | |
968 | int rc = -1; | |
718e3744 | 969 | |
d62a17ae | 970 | /* This function handles ALL types of LSAs, not only opaque ones. */ |
971 | for (ALL_LIST_ELEMENTS(funclist, node, nnode, functab)) | |
972 | if (functab->del_lsa_hook != NULL) | |
973 | if ((*functab->del_lsa_hook)(lsa) != 0) | |
974 | goto out; | |
975 | rc = 0; | |
718e3744 | 976 | out: |
d62a17ae | 977 | return rc; |
718e3744 | 978 | } |
979 | ||
980 | /*------------------------------------------------------------------------* | |
981 | * Followings are glue functions to call Opaque-LSA specific processing. | |
982 | *------------------------------------------------------------------------*/ | |
983 | ||
d62a17ae | 984 | int ospf_opaque_new_if(struct interface *ifp) |
718e3744 | 985 | { |
d62a17ae | 986 | struct list *funclist; |
987 | int rc = -1; | |
718e3744 | 988 | |
d62a17ae | 989 | funclist = ospf_opaque_wildcard_funclist; |
990 | if (opaque_lsa_new_if_callback(funclist, ifp) != 0) | |
991 | goto out; | |
09e4efdc | 992 | |
d62a17ae | 993 | funclist = ospf_opaque_type9_funclist; |
994 | if (opaque_lsa_new_if_callback(funclist, ifp) != 0) | |
995 | goto out; | |
718e3744 | 996 | |
d62a17ae | 997 | funclist = ospf_opaque_type10_funclist; |
998 | if (opaque_lsa_new_if_callback(funclist, ifp) != 0) | |
999 | goto out; | |
718e3744 | 1000 | |
d62a17ae | 1001 | funclist = ospf_opaque_type11_funclist; |
1002 | if (opaque_lsa_new_if_callback(funclist, ifp) != 0) | |
1003 | goto out; | |
718e3744 | 1004 | |
d62a17ae | 1005 | rc = 0; |
718e3744 | 1006 | out: |
d62a17ae | 1007 | return rc; |
718e3744 | 1008 | } |
1009 | ||
d62a17ae | 1010 | int ospf_opaque_del_if(struct interface *ifp) |
718e3744 | 1011 | { |
d62a17ae | 1012 | struct list *funclist; |
1013 | int rc = -1; | |
718e3744 | 1014 | |
d62a17ae | 1015 | funclist = ospf_opaque_wildcard_funclist; |
1016 | if (opaque_lsa_del_if_callback(funclist, ifp) != 0) | |
1017 | goto out; | |
09e4efdc | 1018 | |
d62a17ae | 1019 | funclist = ospf_opaque_type9_funclist; |
1020 | if (opaque_lsa_del_if_callback(funclist, ifp) != 0) | |
1021 | goto out; | |
718e3744 | 1022 | |
d62a17ae | 1023 | funclist = ospf_opaque_type10_funclist; |
1024 | if (opaque_lsa_del_if_callback(funclist, ifp) != 0) | |
1025 | goto out; | |
718e3744 | 1026 | |
d62a17ae | 1027 | funclist = ospf_opaque_type11_funclist; |
1028 | if (opaque_lsa_del_if_callback(funclist, ifp) != 0) | |
1029 | goto out; | |
718e3744 | 1030 | |
d62a17ae | 1031 | rc = 0; |
718e3744 | 1032 | out: |
d62a17ae | 1033 | return rc; |
718e3744 | 1034 | } |
1035 | ||
d62a17ae | 1036 | void ospf_opaque_ism_change(struct ospf_interface *oi, int old_status) |
718e3744 | 1037 | { |
d62a17ae | 1038 | struct list *funclist; |
718e3744 | 1039 | |
d62a17ae | 1040 | funclist = ospf_opaque_wildcard_funclist; |
1041 | opaque_lsa_ism_change_callback(funclist, oi, old_status); | |
09e4efdc | 1042 | |
d62a17ae | 1043 | funclist = ospf_opaque_type9_funclist; |
1044 | opaque_lsa_ism_change_callback(funclist, oi, old_status); | |
718e3744 | 1045 | |
d62a17ae | 1046 | funclist = ospf_opaque_type10_funclist; |
1047 | opaque_lsa_ism_change_callback(funclist, oi, old_status); | |
718e3744 | 1048 | |
d62a17ae | 1049 | funclist = ospf_opaque_type11_funclist; |
1050 | opaque_lsa_ism_change_callback(funclist, oi, old_status); | |
718e3744 | 1051 | |
d62a17ae | 1052 | return; |
718e3744 | 1053 | } |
1054 | ||
d62a17ae | 1055 | void ospf_opaque_nsm_change(struct ospf_neighbor *nbr, int old_state) |
718e3744 | 1056 | { |
d62a17ae | 1057 | struct ospf *top; |
1058 | struct list *funclist; | |
718e3744 | 1059 | |
d62a17ae | 1060 | if ((top = oi_to_top(nbr->oi)) == NULL) |
1061 | goto out; | |
718e3744 | 1062 | |
d62a17ae | 1063 | if (old_state != NSM_Full && nbr->state == NSM_Full) { |
1064 | if (CHECK_FLAG(nbr->options, OSPF_OPTION_O)) { | |
1065 | if (!CHECK_FLAG(top->opaque, | |
1066 | OPAQUE_OPERATION_READY_BIT)) { | |
1067 | if (IS_DEBUG_OSPF_EVENT) | |
1068 | zlog_debug( | |
1069 | "Opaque-LSA: Now get operational!"); | |
718e3744 | 1070 | |
d62a17ae | 1071 | SET_FLAG(top->opaque, |
1072 | OPAQUE_OPERATION_READY_BIT); | |
1073 | } | |
718e3744 | 1074 | |
d62a17ae | 1075 | ospf_opaque_lsa_originate_schedule(nbr->oi, NULL); |
1076 | } | |
1077 | } else if (old_state == NSM_Full && nbr->state != NSM_Full) { | |
718e3744 | 1078 | #ifdef NOTYET |
d62a17ae | 1079 | /* |
1080 | * If no more opaque-capable full-state neighbor remains in the | |
1081 | * flooding scope which corresponds to Opaque-LSA type, periodic | |
1082 | * LS flooding should be stopped. | |
1083 | */ | |
718e3744 | 1084 | #endif /* NOTYET */ |
d62a17ae | 1085 | ; |
1086 | } | |
718e3744 | 1087 | |
d62a17ae | 1088 | funclist = ospf_opaque_wildcard_funclist; |
1089 | opaque_lsa_nsm_change_callback(funclist, nbr, old_state); | |
09e4efdc | 1090 | |
d62a17ae | 1091 | funclist = ospf_opaque_type9_funclist; |
1092 | opaque_lsa_nsm_change_callback(funclist, nbr, old_state); | |
718e3744 | 1093 | |
d62a17ae | 1094 | funclist = ospf_opaque_type10_funclist; |
1095 | opaque_lsa_nsm_change_callback(funclist, nbr, old_state); | |
718e3744 | 1096 | |
d62a17ae | 1097 | funclist = ospf_opaque_type11_funclist; |
1098 | opaque_lsa_nsm_change_callback(funclist, nbr, old_state); | |
718e3744 | 1099 | |
1100 | out: | |
d62a17ae | 1101 | return; |
718e3744 | 1102 | } |
1103 | ||
d62a17ae | 1104 | void ospf_opaque_config_write_router(struct vty *vty, struct ospf *ospf) |
718e3744 | 1105 | { |
d62a17ae | 1106 | struct list *funclist; |
718e3744 | 1107 | |
d62a17ae | 1108 | if (CHECK_FLAG(ospf->config, OSPF_OPAQUE_CAPABLE)) |
1109 | vty_out(vty, " capability opaque\n"); | |
718e3744 | 1110 | |
d62a17ae | 1111 | funclist = ospf_opaque_wildcard_funclist; |
1112 | opaque_lsa_config_write_router_callback(funclist, vty); | |
09e4efdc | 1113 | |
d62a17ae | 1114 | funclist = ospf_opaque_type9_funclist; |
1115 | opaque_lsa_config_write_router_callback(funclist, vty); | |
718e3744 | 1116 | |
d62a17ae | 1117 | funclist = ospf_opaque_type10_funclist; |
1118 | opaque_lsa_config_write_router_callback(funclist, vty); | |
718e3744 | 1119 | |
d62a17ae | 1120 | funclist = ospf_opaque_type11_funclist; |
1121 | opaque_lsa_config_write_router_callback(funclist, vty); | |
718e3744 | 1122 | |
d62a17ae | 1123 | return; |
718e3744 | 1124 | } |
1125 | ||
d62a17ae | 1126 | void ospf_opaque_config_write_if(struct vty *vty, struct interface *ifp) |
718e3744 | 1127 | { |
d62a17ae | 1128 | struct list *funclist; |
718e3744 | 1129 | |
d62a17ae | 1130 | funclist = ospf_opaque_wildcard_funclist; |
1131 | opaque_lsa_config_write_if_callback(funclist, vty, ifp); | |
09e4efdc | 1132 | |
d62a17ae | 1133 | funclist = ospf_opaque_type9_funclist; |
1134 | opaque_lsa_config_write_if_callback(funclist, vty, ifp); | |
718e3744 | 1135 | |
d62a17ae | 1136 | funclist = ospf_opaque_type10_funclist; |
1137 | opaque_lsa_config_write_if_callback(funclist, vty, ifp); | |
718e3744 | 1138 | |
d62a17ae | 1139 | funclist = ospf_opaque_type11_funclist; |
1140 | opaque_lsa_config_write_if_callback(funclist, vty, ifp); | |
718e3744 | 1141 | |
d62a17ae | 1142 | return; |
718e3744 | 1143 | } |
1144 | ||
d62a17ae | 1145 | void ospf_opaque_config_write_debug(struct vty *vty) |
718e3744 | 1146 | { |
d62a17ae | 1147 | struct list *funclist; |
718e3744 | 1148 | |
d62a17ae | 1149 | funclist = ospf_opaque_wildcard_funclist; |
1150 | opaque_lsa_config_write_debug_callback(funclist, vty); | |
09e4efdc | 1151 | |
d62a17ae | 1152 | funclist = ospf_opaque_type9_funclist; |
1153 | opaque_lsa_config_write_debug_callback(funclist, vty); | |
718e3744 | 1154 | |
d62a17ae | 1155 | funclist = ospf_opaque_type10_funclist; |
1156 | opaque_lsa_config_write_debug_callback(funclist, vty); | |
718e3744 | 1157 | |
d62a17ae | 1158 | funclist = ospf_opaque_type11_funclist; |
1159 | opaque_lsa_config_write_debug_callback(funclist, vty); | |
718e3744 | 1160 | |
d62a17ae | 1161 | return; |
718e3744 | 1162 | } |
1163 | ||
f328dc60 | 1164 | void show_opaque_info_detail(struct vty *vty, struct ospf_lsa *lsa, |
1165 | json_object *json) | |
718e3744 | 1166 | { |
c4efd0f4 | 1167 | struct lsa_header *lsah = lsa->data; |
d7c0a89a QY |
1168 | uint32_t lsid = ntohl(lsah->id.s_addr); |
1169 | uint8_t opaque_type = GET_OPAQUE_TYPE(lsid); | |
1170 | uint32_t opaque_id = GET_OPAQUE_ID(lsid); | |
d62a17ae | 1171 | struct ospf_opaque_functab *functab; |
718e3744 | 1172 | |
d62a17ae | 1173 | /* Switch output functionality by vty address. */ |
1174 | if (vty != NULL) { | |
f328dc60 | 1175 | if (!json) { |
1176 | vty_out(vty, " Opaque-Type %u (%s)\n", opaque_type, | |
1177 | ospf_opaque_type_name(opaque_type)); | |
1178 | vty_out(vty, " Opaque-ID 0x%x\n", opaque_id); | |
1179 | ||
1180 | vty_out(vty, " Opaque-Info: %u octets of data%s\n", | |
1181 | ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE, | |
1182 | VALID_OPAQUE_INFO_LEN(lsah) | |
1183 | ? "" | |
1184 | : "(Invalid length?)"); | |
1185 | } | |
d62a17ae | 1186 | } else { |
1187 | zlog_debug(" Opaque-Type %u (%s)", opaque_type, | |
1188 | ospf_opaque_type_name(opaque_type)); | |
1189 | zlog_debug(" Opaque-ID 0x%x", opaque_id); | |
718e3744 | 1190 | |
d62a17ae | 1191 | zlog_debug(" Opaque-Info: %u octets of data%s", |
1192 | ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE, | |
1193 | VALID_OPAQUE_INFO_LEN(lsah) ? "" | |
1194 | : "(Invalid length?)"); | |
1195 | } | |
718e3744 | 1196 | |
d62a17ae | 1197 | /* Call individual output functions. */ |
1198 | if ((functab = ospf_opaque_functab_lookup(lsa)) != NULL) | |
1199 | if (functab->show_opaque_info != NULL) | |
1200 | (*functab->show_opaque_info)(vty, lsa); | |
718e3744 | 1201 | |
d62a17ae | 1202 | return; |
718e3744 | 1203 | } |
1204 | ||
d7c0a89a | 1205 | void ospf_opaque_lsa_dump(struct stream *s, uint16_t length) |
718e3744 | 1206 | { |
d62a17ae | 1207 | struct ospf_lsa lsa; |
718e3744 | 1208 | |
2d34fb80 | 1209 | lsa.data = (struct lsa_header *)stream_pnt(s); |
f328dc60 | 1210 | show_opaque_info_detail(NULL, &lsa, NULL); |
d62a17ae | 1211 | return; |
718e3744 | 1212 | } |
1213 | ||
d62a17ae | 1214 | static int ospf_opaque_lsa_install_hook(struct ospf_lsa *lsa) |
718e3744 | 1215 | { |
d62a17ae | 1216 | struct list *funclist; |
1217 | int rc = -1; | |
718e3744 | 1218 | |
d62a17ae | 1219 | /* |
1220 | * Some Opaque-LSA user may want to monitor every LSA installation | |
1221 | * into the LSDB, regardless with target LSA type. | |
1222 | */ | |
1223 | funclist = ospf_opaque_wildcard_funclist; | |
1224 | if (new_lsa_callback(funclist, lsa) != 0) | |
1225 | goto out; | |
09e4efdc | 1226 | |
d62a17ae | 1227 | funclist = ospf_opaque_type9_funclist; |
1228 | if (new_lsa_callback(funclist, lsa) != 0) | |
1229 | goto out; | |
718e3744 | 1230 | |
d62a17ae | 1231 | funclist = ospf_opaque_type10_funclist; |
1232 | if (new_lsa_callback(funclist, lsa) != 0) | |
1233 | goto out; | |
718e3744 | 1234 | |
d62a17ae | 1235 | funclist = ospf_opaque_type11_funclist; |
1236 | if (new_lsa_callback(funclist, lsa) != 0) | |
1237 | goto out; | |
718e3744 | 1238 | |
d62a17ae | 1239 | rc = 0; |
718e3744 | 1240 | out: |
d62a17ae | 1241 | return rc; |
718e3744 | 1242 | } |
1243 | ||
d62a17ae | 1244 | static int ospf_opaque_lsa_delete_hook(struct ospf_lsa *lsa) |
718e3744 | 1245 | { |
d62a17ae | 1246 | struct list *funclist; |
1247 | int rc = -1; | |
718e3744 | 1248 | |
d62a17ae | 1249 | /* |
1250 | * Some Opaque-LSA user may want to monitor every LSA deletion | |
1251 | * from the LSDB, regardless with target LSA type. | |
1252 | */ | |
1253 | funclist = ospf_opaque_wildcard_funclist; | |
1254 | if (del_lsa_callback(funclist, lsa) != 0) | |
1255 | goto out; | |
09e4efdc | 1256 | |
d62a17ae | 1257 | funclist = ospf_opaque_type9_funclist; |
1258 | if (del_lsa_callback(funclist, lsa) != 0) | |
1259 | goto out; | |
718e3744 | 1260 | |
d62a17ae | 1261 | funclist = ospf_opaque_type10_funclist; |
1262 | if (del_lsa_callback(funclist, lsa) != 0) | |
1263 | goto out; | |
718e3744 | 1264 | |
d62a17ae | 1265 | funclist = ospf_opaque_type11_funclist; |
1266 | if (del_lsa_callback(funclist, lsa) != 0) | |
1267 | goto out; | |
718e3744 | 1268 | |
d62a17ae | 1269 | rc = 0; |
718e3744 | 1270 | out: |
d62a17ae | 1271 | return rc; |
718e3744 | 1272 | } |
1273 | ||
1274 | /*------------------------------------------------------------------------* | |
1275 | * Followings are Opaque-LSA origination/refresh management functions. | |
1276 | *------------------------------------------------------------------------*/ | |
1277 | ||
d62a17ae | 1278 | static int ospf_opaque_type9_lsa_originate(struct thread *t); |
1279 | static int ospf_opaque_type10_lsa_originate(struct thread *t); | |
1280 | static int ospf_opaque_type11_lsa_originate(struct thread *t); | |
1281 | static void ospf_opaque_lsa_reoriginate_resume(struct list *listtop, void *arg); | |
1282 | ||
1283 | void ospf_opaque_lsa_originate_schedule(struct ospf_interface *oi, int *delay0) | |
1284 | { | |
1285 | struct ospf *top; | |
1286 | struct ospf_area *area; | |
1287 | struct listnode *node, *nnode; | |
1288 | struct opaque_info_per_type *oipt; | |
1289 | int delay = 0; | |
1290 | ||
1291 | if ((top = oi_to_top(oi)) == NULL || (area = oi->area) == NULL) { | |
34f74c7a DS |
1292 | if (IS_DEBUG_OSPF_EVENT) |
1293 | zlog_debug( | |
1294 | "ospf_opaque_lsa_originate_schedule: Invalid argument?"); | |
1295 | return; | |
d62a17ae | 1296 | } |
1297 | ||
1298 | /* It may not a right time to schedule origination now. */ | |
1299 | if (!CHECK_FLAG(top->opaque, OPAQUE_OPERATION_READY_BIT)) { | |
1300 | if (IS_DEBUG_OSPF_EVENT) | |
1301 | zlog_debug( | |
1302 | "ospf_opaque_lsa_originate_schedule: Not operational."); | |
34f74c7a | 1303 | return; /* This is not an error. */ |
d62a17ae | 1304 | } |
1305 | ||
1306 | if (delay0 != NULL) | |
1307 | delay = *delay0; | |
1308 | ||
1309 | /* | |
1310 | * There might be some entries that have been waiting for triggering | |
1311 | * of per opaque-type re-origination get resumed. | |
1312 | */ | |
1313 | ospf_opaque_lsa_reoriginate_resume(oi->opaque_lsa_self, (void *)oi); | |
1314 | ospf_opaque_lsa_reoriginate_resume(area->opaque_lsa_self, (void *)area); | |
1315 | ospf_opaque_lsa_reoriginate_resume(top->opaque_lsa_self, (void *)top); | |
1316 | ||
1317 | /* | |
1318 | * Now, schedule origination of all Opaque-LSAs per opaque-type. | |
1319 | */ | |
1320 | if (!list_isempty(ospf_opaque_type9_funclist) | |
1321 | && list_isempty(oi->opaque_lsa_self) | |
1322 | && oi->t_opaque_lsa_self == NULL) { | |
1323 | if (IS_DEBUG_OSPF_EVENT) | |
1324 | zlog_debug( | |
1325 | "Schedule Type-9 Opaque-LSA origination in %d ms later.", | |
1326 | delay); | |
1327 | oi->t_opaque_lsa_self = NULL; | |
1328 | thread_add_timer_msec(master, ospf_opaque_type9_lsa_originate, | |
1329 | oi, delay, &oi->t_opaque_lsa_self); | |
1330 | delay += top->min_ls_interval; | |
1331 | } | |
1332 | ||
1333 | if (!list_isempty(ospf_opaque_type10_funclist) | |
1334 | && list_isempty(area->opaque_lsa_self) | |
1335 | && area->t_opaque_lsa_self == NULL) { | |
1336 | /* | |
1337 | * One AREA may contain multiple OIs, but above 2nd and 3rd | |
1338 | * conditions prevent from scheduling the originate function | |
1339 | * again and again. | |
1340 | */ | |
1341 | if (IS_DEBUG_OSPF_EVENT) | |
1342 | zlog_debug( | |
1343 | "Schedule Type-10 Opaque-LSA origination in %d ms later.", | |
1344 | delay); | |
1345 | area->t_opaque_lsa_self = NULL; | |
1346 | thread_add_timer_msec(master, ospf_opaque_type10_lsa_originate, | |
1347 | area, delay, &area->t_opaque_lsa_self); | |
1348 | delay += top->min_ls_interval; | |
1349 | } | |
1350 | ||
1351 | if (!list_isempty(ospf_opaque_type11_funclist) | |
1352 | && list_isempty(top->opaque_lsa_self) | |
1353 | && top->t_opaque_lsa_self == NULL) { | |
1354 | /* | |
1355 | * One OSPF may contain multiple AREAs, but above 2nd and 3rd | |
1356 | * conditions prevent from scheduling the originate function | |
1357 | * again and again. | |
1358 | */ | |
1359 | if (IS_DEBUG_OSPF_EVENT) | |
1360 | zlog_debug( | |
1361 | "Schedule Type-11 Opaque-LSA origination in %d ms later.", | |
1362 | delay); | |
1363 | top->t_opaque_lsa_self = NULL; | |
1364 | thread_add_timer_msec(master, ospf_opaque_type11_lsa_originate, | |
1365 | top, delay, &top->t_opaque_lsa_self); | |
1366 | delay += top->min_ls_interval; | |
1367 | } | |
1368 | ||
1369 | /* | |
1370 | * Following section treats a special situation that this node's | |
1371 | * opaque capability has changed as "ON -> OFF -> ON". | |
1372 | */ | |
1373 | if (!list_isempty(ospf_opaque_type9_funclist) | |
1374 | && !list_isempty(oi->opaque_lsa_self)) { | |
1375 | for (ALL_LIST_ELEMENTS(oi->opaque_lsa_self, node, nnode, | |
1376 | oipt)) { | |
1377 | /* | |
1378 | * removed the test for | |
1379 | * (! list_isempty (oipt->id_list)) * Handler is | |
1380 | * already active. * | |
1381 | * because opaque cababilities ON -> OFF -> ON result in | |
1382 | * list_isempty (oipt->id_list) | |
1383 | * not being empty. | |
1384 | */ | |
996c9314 LB |
1385 | if (oipt->t_opaque_lsa_self |
1386 | != NULL /* Waiting for a thread call. */ | |
1387 | || oipt->status == PROC_SUSPEND) /* Cannot | |
1388 | originate | |
1389 | now. */ | |
d62a17ae | 1390 | continue; |
1391 | ||
1392 | ospf_opaque_lsa_reoriginate_schedule( | |
1393 | (void *)oi, OSPF_OPAQUE_LINK_LSA, | |
1394 | oipt->opaque_type); | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | if (!list_isempty(ospf_opaque_type10_funclist) | |
1399 | && !list_isempty(area->opaque_lsa_self)) { | |
1400 | for (ALL_LIST_ELEMENTS(area->opaque_lsa_self, node, nnode, | |
1401 | oipt)) { | |
1402 | /* | |
1403 | * removed the test for | |
1404 | * (! list_isempty (oipt->id_list)) * Handler is | |
1405 | * already active. * | |
1406 | * because opaque cababilities ON -> OFF -> ON result in | |
1407 | * list_isempty (oipt->id_list) | |
1408 | * not being empty. | |
1409 | */ | |
996c9314 LB |
1410 | if (oipt->t_opaque_lsa_self |
1411 | != NULL /* Waiting for a thread call. */ | |
1412 | || oipt->status == PROC_SUSPEND) /* Cannot | |
1413 | originate | |
1414 | now. */ | |
d62a17ae | 1415 | continue; |
1416 | ||
1417 | ospf_opaque_lsa_reoriginate_schedule( | |
1418 | (void *)area, OSPF_OPAQUE_AREA_LSA, | |
1419 | oipt->opaque_type); | |
1420 | } | |
1421 | } | |
1422 | ||
1423 | if (!list_isempty(ospf_opaque_type11_funclist) | |
1424 | && !list_isempty(top->opaque_lsa_self)) { | |
1425 | for (ALL_LIST_ELEMENTS(top->opaque_lsa_self, node, nnode, | |
1426 | oipt)) { | |
1427 | /* | |
1428 | * removed the test for | |
1429 | * (! list_isempty (oipt->id_list)) * Handler is | |
1430 | * already active. * | |
1431 | * because opaque cababilities ON -> OFF -> ON result in | |
1432 | * list_isempty (oipt->id_list) | |
1433 | * not being empty. | |
1434 | */ | |
996c9314 LB |
1435 | if (oipt->t_opaque_lsa_self |
1436 | != NULL /* Waiting for a thread call. */ | |
1437 | || oipt->status == PROC_SUSPEND) /* Cannot | |
1438 | originate | |
1439 | now. */ | |
d62a17ae | 1440 | continue; |
1441 | ||
1442 | ospf_opaque_lsa_reoriginate_schedule((void *)top, | |
1443 | OSPF_OPAQUE_AS_LSA, | |
1444 | oipt->opaque_type); | |
1445 | } | |
1446 | } | |
1447 | ||
1448 | if (delay0 != NULL) | |
1449 | *delay0 = delay; | |
718e3744 | 1450 | } |
1451 | ||
d62a17ae | 1452 | static int ospf_opaque_type9_lsa_originate(struct thread *t) |
718e3744 | 1453 | { |
d62a17ae | 1454 | struct ospf_interface *oi; |
1455 | int rc; | |
718e3744 | 1456 | |
d62a17ae | 1457 | oi = THREAD_ARG(t); |
1458 | oi->t_opaque_lsa_self = NULL; | |
718e3744 | 1459 | |
d62a17ae | 1460 | if (IS_DEBUG_OSPF_EVENT) |
1461 | zlog_debug("Timer[Type9-LSA]: Originate Opaque-LSAs for OI %s", | |
1462 | IF_NAME(oi)); | |
718e3744 | 1463 | |
d62a17ae | 1464 | rc = opaque_lsa_originate_callback(ospf_opaque_type9_funclist, oi); |
718e3744 | 1465 | |
d62a17ae | 1466 | return rc; |
718e3744 | 1467 | } |
1468 | ||
d62a17ae | 1469 | static int ospf_opaque_type10_lsa_originate(struct thread *t) |
718e3744 | 1470 | { |
d62a17ae | 1471 | struct ospf_area *area; |
1472 | int rc; | |
718e3744 | 1473 | |
d62a17ae | 1474 | area = THREAD_ARG(t); |
1475 | area->t_opaque_lsa_self = NULL; | |
718e3744 | 1476 | |
d62a17ae | 1477 | if (IS_DEBUG_OSPF_EVENT) |
1478 | zlog_debug( | |
96b663a3 MS |
1479 | "Timer[Type10-LSA]: Originate Opaque-LSAs for Area %pI4", |
1480 | &area->area_id); | |
718e3744 | 1481 | |
d62a17ae | 1482 | rc = opaque_lsa_originate_callback(ospf_opaque_type10_funclist, area); |
718e3744 | 1483 | |
d62a17ae | 1484 | return rc; |
718e3744 | 1485 | } |
1486 | ||
d62a17ae | 1487 | static int ospf_opaque_type11_lsa_originate(struct thread *t) |
718e3744 | 1488 | { |
d62a17ae | 1489 | struct ospf *top; |
1490 | int rc; | |
718e3744 | 1491 | |
d62a17ae | 1492 | top = THREAD_ARG(t); |
1493 | top->t_opaque_lsa_self = NULL; | |
718e3744 | 1494 | |
d62a17ae | 1495 | if (IS_DEBUG_OSPF_EVENT) |
1496 | zlog_debug( | |
1497 | "Timer[Type11-LSA]: Originate AS-External Opaque-LSAs"); | |
718e3744 | 1498 | |
d62a17ae | 1499 | rc = opaque_lsa_originate_callback(ospf_opaque_type11_funclist, top); |
718e3744 | 1500 | |
d62a17ae | 1501 | return rc; |
718e3744 | 1502 | } |
1503 | ||
d62a17ae | 1504 | static void ospf_opaque_lsa_reoriginate_resume(struct list *listtop, void *arg) |
718e3744 | 1505 | { |
d62a17ae | 1506 | struct listnode *node, *nnode; |
1507 | struct opaque_info_per_type *oipt; | |
1508 | struct ospf_opaque_functab *functab; | |
718e3744 | 1509 | |
d62a17ae | 1510 | if (listtop == NULL) |
1511 | goto out; | |
718e3744 | 1512 | |
d62a17ae | 1513 | /* |
1514 | * Pickup oipt entries those which in SUSPEND status, and give | |
1515 | * them a chance to start re-origination now. | |
1516 | */ | |
1517 | for (ALL_LIST_ELEMENTS(listtop, node, nnode, oipt)) { | |
1518 | if (oipt->status != PROC_SUSPEND) | |
1519 | continue; | |
718e3744 | 1520 | |
d62a17ae | 1521 | oipt->status = PROC_NORMAL; |
718e3744 | 1522 | |
d62a17ae | 1523 | if ((functab = oipt->functab) == NULL |
1524 | || functab->lsa_originator == NULL) | |
1525 | continue; | |
718e3744 | 1526 | |
d62a17ae | 1527 | if ((*functab->lsa_originator)(arg) != 0) { |
34f74c7a | 1528 | flog_warn( |
cf444bcf | 1529 | EC_OSPF_LSA, |
d62a17ae | 1530 | "ospf_opaque_lsa_reoriginate_resume: Failed (opaque-type=%u)", |
1531 | oipt->opaque_type); | |
1532 | continue; | |
1533 | } | |
1534 | } | |
718e3744 | 1535 | |
1536 | out: | |
d62a17ae | 1537 | return; |
1538 | } | |
1539 | ||
1540 | struct ospf_lsa *ospf_opaque_lsa_install(struct ospf_lsa *lsa, int rt_recalc) | |
1541 | { | |
1542 | struct ospf_lsa *new = NULL; | |
1543 | struct opaque_info_per_type *oipt; | |
1544 | struct opaque_info_per_id *oipi; | |
1545 | struct ospf *top; | |
1546 | ||
1547 | /* Don't take "rt_recalc" into consideration for now. */ /* XXX */ | |
1548 | ||
1549 | if (!IS_LSA_SELF(lsa)) { | |
1550 | new = lsa; /* Don't touch this LSA. */ | |
1551 | goto out; | |
1552 | } | |
1553 | ||
1554 | if (IS_DEBUG_OSPF(lsa, LSA_INSTALL)) | |
1555 | zlog_debug( | |
1556 | "Install Type-%u Opaque-LSA: [opaque-type=%u, opaque-id=%x]", | |
1557 | lsa->data->type, | |
1558 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)), | |
1559 | GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr))); | |
1560 | ||
1561 | /* Replace the existing lsa with the new one. */ | |
1562 | if ((oipt = lookup_opaque_info_by_type(lsa)) != NULL | |
1563 | && (oipi = lookup_opaque_info_by_id(oipt, lsa)) != NULL) { | |
1564 | ospf_lsa_unlock(&oipi->lsa); | |
1565 | oipi->lsa = ospf_lsa_lock(lsa); | |
1566 | } | |
6e3e2c6d DS |
1567 | /* Register the new lsa entry */ |
1568 | else if (register_opaque_lsa(lsa) == NULL) { | |
cf444bcf | 1569 | flog_warn(EC_OSPF_LSA, |
34f74c7a | 1570 | "ospf_opaque_lsa_install: register_opaque_lsa() ?"); |
d62a17ae | 1571 | goto out; |
1572 | } | |
1573 | ||
1574 | /* | |
1575 | * Make use of a common mechanism (ospf_lsa_refresh_walker) | |
1576 | * for periodic refresh of self-originated Opaque-LSAs. | |
1577 | */ | |
1578 | switch (lsa->data->type) { | |
1579 | case OSPF_OPAQUE_LINK_LSA: | |
1580 | if ((top = oi_to_top(lsa->oi)) == NULL) { | |
1581 | /* Above conditions must have passed. */ | |
cf444bcf | 1582 | flog_warn(EC_OSPF_LSA, |
34f74c7a | 1583 | "ospf_opaque_lsa_install: Something wrong?"); |
d62a17ae | 1584 | goto out; |
1585 | } | |
1586 | break; | |
1587 | case OSPF_OPAQUE_AREA_LSA: | |
1588 | if (lsa->area == NULL || (top = lsa->area->ospf) == NULL) { | |
1589 | /* Above conditions must have passed. */ | |
cf444bcf | 1590 | flog_warn(EC_OSPF_LSA, |
34f74c7a | 1591 | "ospf_opaque_lsa_install: Something wrong?"); |
d62a17ae | 1592 | goto out; |
1593 | } | |
1594 | break; | |
1595 | case OSPF_OPAQUE_AS_LSA: | |
b5a8894d | 1596 | top = ospf_lookup_by_vrf_id(lsa->vrf_id); |
d62a17ae | 1597 | if (lsa->area != NULL && (top = lsa->area->ospf) == NULL) { |
1598 | /* Above conditions must have passed. */ | |
cf444bcf | 1599 | flog_warn(EC_OSPF_LSA, |
34f74c7a | 1600 | "ospf_opaque_lsa_install: Something wrong?"); |
d62a17ae | 1601 | goto out; |
1602 | } | |
1603 | break; | |
1604 | default: | |
cf444bcf | 1605 | flog_warn(EC_OSPF_LSA_UNEXPECTED, |
34f74c7a | 1606 | "ospf_opaque_lsa_install: Unexpected LSA-type(%u)", |
d62a17ae | 1607 | lsa->data->type); |
1608 | goto out; | |
1609 | } | |
1610 | ||
1611 | ospf_refresher_register_lsa(top, lsa); | |
1612 | new = lsa; | |
718e3744 | 1613 | |
1614 | out: | |
d62a17ae | 1615 | return new; |
718e3744 | 1616 | } |
1617 | ||
d62a17ae | 1618 | struct ospf_lsa *ospf_opaque_lsa_refresh(struct ospf_lsa *lsa) |
718e3744 | 1619 | { |
d62a17ae | 1620 | struct ospf *ospf; |
1621 | struct ospf_opaque_functab *functab; | |
1622 | struct ospf_lsa *new = NULL; | |
1623 | ||
b5a8894d | 1624 | ospf = ospf_lookup_by_vrf_id(lsa->vrf_id); |
020709f9 | 1625 | |
d62a17ae | 1626 | if ((functab = ospf_opaque_functab_lookup(lsa)) == NULL |
1627 | || functab->lsa_refresher == NULL) { | |
1628 | /* | |
1629 | * Though this LSA seems to have originated on this node, the | |
1630 | * handling module for this "lsa-type and opaque-type" was | |
1631 | * already deleted sometime ago. | |
1632 | * Anyway, this node still has a responsibility to flush this | |
1633 | * LSA from the routing domain. | |
1634 | */ | |
1635 | if (IS_DEBUG_OSPF_EVENT) | |
96b663a3 MS |
1636 | zlog_debug("LSA[Type%d:%pI4]: Flush stray Opaque-LSA", |
1637 | lsa->data->type, &lsa->data->id); | |
718e3744 | 1638 | |
d62a17ae | 1639 | lsa->data->ls_age = htons(OSPF_LSA_MAXAGE); |
1640 | ospf_lsa_flush(ospf, lsa); | |
1641 | } else | |
1642 | new = (*functab->lsa_refresher)(lsa); | |
718e3744 | 1643 | |
d62a17ae | 1644 | return new; |
718e3744 | 1645 | } |
1646 | ||
1647 | /*------------------------------------------------------------------------* | |
1648 | * Followings are re-origination/refresh/flush operations of Opaque-LSAs, | |
1649 | * triggered by external interventions (vty session, signaling, etc). | |
1650 | *------------------------------------------------------------------------*/ | |
1651 | ||
ffa2c898 | 1652 | #define OSPF_OPAQUE_TIMER_ON(T,F,L,V) thread_add_timer_msec (master, (F), (L), (V), &(T)) |
718e3744 | 1653 | |
d62a17ae | 1654 | static struct ospf_lsa *pseudo_lsa(struct ospf_interface *oi, |
d7c0a89a QY |
1655 | struct ospf_area *area, uint8_t lsa_type, |
1656 | uint8_t opaque_type); | |
d62a17ae | 1657 | static int ospf_opaque_type9_lsa_reoriginate_timer(struct thread *t); |
1658 | static int ospf_opaque_type10_lsa_reoriginate_timer(struct thread *t); | |
1659 | static int ospf_opaque_type11_lsa_reoriginate_timer(struct thread *t); | |
1660 | static int ospf_opaque_lsa_refresh_timer(struct thread *t); | |
1661 | ||
1662 | void ospf_opaque_lsa_reoriginate_schedule(void *lsa_type_dependent, | |
d7c0a89a | 1663 | uint8_t lsa_type, uint8_t opaque_type) |
d62a17ae | 1664 | { |
b5a8894d | 1665 | struct ospf *top = NULL; |
d62a17ae | 1666 | struct ospf_area dummy, *area = NULL; |
1667 | struct ospf_interface *oi = NULL; | |
1668 | ||
1669 | struct ospf_lsa *lsa; | |
1670 | struct opaque_info_per_type *oipt; | |
1671 | int (*func)(struct thread * t) = NULL; | |
1672 | int delay; | |
1673 | ||
1674 | switch (lsa_type) { | |
1675 | case OSPF_OPAQUE_LINK_LSA: | |
1676 | if ((oi = (struct ospf_interface *)lsa_type_dependent) | |
1677 | == NULL) { | |
34f74c7a | 1678 | flog_warn( |
cf444bcf | 1679 | EC_OSPF_LSA, |
34f74c7a | 1680 | "ospf_opaque_lsa_reoriginate_schedule: Type-9 Opaque-LSA: Invalid parameter?"); |
d62a17ae | 1681 | goto out; |
1682 | } | |
1683 | if ((top = oi_to_top(oi)) == NULL) { | |
34f74c7a | 1684 | flog_warn( |
cf444bcf | 1685 | EC_OSPF_LSA, |
d62a17ae | 1686 | "ospf_opaque_lsa_reoriginate_schedule: OI(%s) -> TOP?", |
1687 | IF_NAME(oi)); | |
1688 | goto out; | |
1689 | } | |
1690 | if (!list_isempty(ospf_opaque_type9_funclist) | |
1691 | && list_isempty(oi->opaque_lsa_self) | |
1692 | && oi->t_opaque_lsa_self != NULL) { | |
34f74c7a | 1693 | flog_warn( |
cf444bcf | 1694 | EC_OSPF_LSA, |
34f74c7a | 1695 | "Type-9 Opaque-LSA (opaque_type=%u): Common origination for OI(%s) has already started", |
d62a17ae | 1696 | opaque_type, IF_NAME(oi)); |
1697 | goto out; | |
1698 | } | |
1699 | func = ospf_opaque_type9_lsa_reoriginate_timer; | |
1700 | break; | |
1701 | case OSPF_OPAQUE_AREA_LSA: | |
1702 | if ((area = (struct ospf_area *)lsa_type_dependent) == NULL) { | |
34f74c7a | 1703 | flog_warn( |
cf444bcf | 1704 | EC_OSPF_LSA, |
34f74c7a | 1705 | "ospf_opaque_lsa_reoriginate_schedule: Type-10 Opaque-LSA: Invalid parameter?"); |
d62a17ae | 1706 | goto out; |
1707 | } | |
1708 | if ((top = area->ospf) == NULL) { | |
34f74c7a | 1709 | flog_warn( |
cf444bcf | 1710 | EC_OSPF_LSA, |
96b663a3 MS |
1711 | "ospf_opaque_lsa_reoriginate_schedule: AREA(%pI4) -> TOP?", |
1712 | &area->area_id); | |
d62a17ae | 1713 | goto out; |
1714 | } | |
1715 | if (!list_isempty(ospf_opaque_type10_funclist) | |
1716 | && list_isempty(area->opaque_lsa_self) | |
1717 | && area->t_opaque_lsa_self != NULL) { | |
34f74c7a | 1718 | flog_warn( |
cf444bcf | 1719 | EC_OSPF_LSA, |
96b663a3 MS |
1720 | "Type-10 Opaque-LSA (opaque_type=%u): Common origination for AREA(%pI4) has already started", |
1721 | opaque_type, &area->area_id); | |
d62a17ae | 1722 | goto out; |
1723 | } | |
1724 | func = ospf_opaque_type10_lsa_reoriginate_timer; | |
1725 | break; | |
1726 | case OSPF_OPAQUE_AS_LSA: | |
1727 | if ((top = (struct ospf *)lsa_type_dependent) == NULL) { | |
34f74c7a | 1728 | flog_warn( |
cf444bcf | 1729 | EC_OSPF_LSA, |
34f74c7a | 1730 | "ospf_opaque_lsa_reoriginate_schedule: Type-11 Opaque-LSA: Invalid parameter?"); |
d62a17ae | 1731 | goto out; |
1732 | } | |
1733 | if (!list_isempty(ospf_opaque_type11_funclist) | |
1734 | && list_isempty(top->opaque_lsa_self) | |
1735 | && top->t_opaque_lsa_self != NULL) { | |
34f74c7a | 1736 | flog_warn( |
cf444bcf | 1737 | EC_OSPF_LSA, |
34f74c7a | 1738 | "Type-11 Opaque-LSA (opaque_type=%u): Common origination has already started", |
d62a17ae | 1739 | opaque_type); |
1740 | goto out; | |
1741 | } | |
1742 | ||
1743 | /* Fake "area" to pass "ospf" to a lookup function later. */ | |
1744 | dummy.ospf = top; | |
1745 | area = &dummy; | |
1746 | ||
1747 | func = ospf_opaque_type11_lsa_reoriginate_timer; | |
1748 | break; | |
1749 | default: | |
34f74c7a | 1750 | flog_warn( |
cf444bcf | 1751 | EC_OSPF_LSA_UNEXPECTED, |
34f74c7a | 1752 | "ospf_opaque_lsa_reoriginate_schedule: Unexpected LSA-type(%u)", |
d62a17ae | 1753 | lsa_type); |
1754 | goto out; | |
1755 | } | |
1756 | ||
1757 | /* It may not a right time to schedule reorigination now. */ | |
1758 | if (!CHECK_FLAG(top->opaque, OPAQUE_OPERATION_READY_BIT)) { | |
1759 | if (IS_DEBUG_OSPF_EVENT) | |
1760 | zlog_debug( | |
1761 | "ospf_opaque_lsa_reoriginate_schedule: Not operational."); | |
1762 | goto out; /* This is not an error. */ | |
1763 | } | |
1764 | ||
1765 | /* Generate a dummy lsa to be passed for a lookup function. */ | |
1766 | lsa = pseudo_lsa(oi, area, lsa_type, opaque_type); | |
b5a8894d | 1767 | lsa->vrf_id = top->vrf_id; |
d62a17ae | 1768 | |
1769 | if ((oipt = lookup_opaque_info_by_type(lsa)) == NULL) { | |
1770 | struct ospf_opaque_functab *functab; | |
1771 | if ((functab = ospf_opaque_functab_lookup(lsa)) == NULL) { | |
34f74c7a | 1772 | flog_warn( |
cf444bcf | 1773 | EC_OSPF_LSA, |
34f74c7a | 1774 | "ospf_opaque_lsa_reoriginate_schedule: No associated function?: lsa_type(%u), opaque_type(%u)", |
d62a17ae | 1775 | lsa_type, opaque_type); |
1776 | goto out; | |
1777 | } | |
1778 | if ((oipt = register_opaque_info_per_type(functab, lsa)) | |
1779 | == NULL) { | |
34f74c7a | 1780 | flog_warn( |
cf444bcf | 1781 | EC_OSPF_LSA, |
34f74c7a | 1782 | "ospf_opaque_lsa_reoriginate_schedule: Cannot get a control info?: lsa_type(%u), opaque_type(%u)", |
d62a17ae | 1783 | lsa_type, opaque_type); |
1784 | goto out; | |
1785 | } | |
1786 | } | |
1787 | ||
1788 | if (oipt->t_opaque_lsa_self != NULL) { | |
1789 | if (IS_DEBUG_OSPF_EVENT) | |
1790 | zlog_debug( | |
3efd0893 | 1791 | "Type-%u Opaque-LSA has already scheduled to RE-ORIGINATE: [opaque-type=%u]", |
d62a17ae | 1792 | lsa_type, |
1793 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr))); | |
1794 | goto out; | |
1795 | } | |
1796 | ||
1797 | /* | |
1798 | * Different from initial origination time, in which various conditions | |
1799 | * (opaque capability, neighbor status etc) are assured by caller of | |
1800 | * the originating function "ospf_opaque_lsa_originate_schedule ()", | |
1801 | * it is highly possible that these conditions might not be satisfied | |
1802 | * at the time of re-origination function is to be called. | |
1803 | */ | |
1804 | delay = top->min_ls_interval; /* XXX */ | |
1805 | ||
1806 | if (IS_DEBUG_OSPF_EVENT) | |
1807 | zlog_debug( | |
3efd0893 | 1808 | "Schedule Type-%u Opaque-LSA to RE-ORIGINATE in %d ms later: [opaque-type=%u]", |
d62a17ae | 1809 | lsa_type, delay, |
1810 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr))); | |
1811 | ||
62c99790 | 1812 | OSPF_OPAQUE_TIMER_ON(oipt->t_opaque_lsa_self, func, oipt, delay); |
718e3744 | 1813 | |
1814 | out: | |
d62a17ae | 1815 | return; |
1816 | } | |
1817 | ||
1818 | static struct ospf_lsa *pseudo_lsa(struct ospf_interface *oi, | |
d7c0a89a QY |
1819 | struct ospf_area *area, uint8_t lsa_type, |
1820 | uint8_t opaque_type) | |
d62a17ae | 1821 | { |
1822 | static struct ospf_lsa lsa = {0}; | |
1823 | static struct lsa_header lsah = {0}; | |
d7c0a89a | 1824 | uint32_t tmp; |
d62a17ae | 1825 | |
1826 | lsa.oi = oi; | |
1827 | lsa.area = area; | |
1828 | lsa.data = &lsah; | |
b5a8894d | 1829 | lsa.vrf_id = VRF_DEFAULT; |
d62a17ae | 1830 | |
1831 | lsah.type = lsa_type; | |
1832 | tmp = SET_OPAQUE_LSID(opaque_type, 0); /* Opaque-ID is unused here. */ | |
1833 | lsah.id.s_addr = htonl(tmp); | |
1834 | ||
1835 | return &lsa; | |
1836 | } | |
1837 | ||
1838 | static int ospf_opaque_type9_lsa_reoriginate_timer(struct thread *t) | |
1839 | { | |
1840 | struct opaque_info_per_type *oipt; | |
1841 | struct ospf_opaque_functab *functab; | |
1842 | struct ospf *top; | |
1843 | struct ospf_interface *oi; | |
1844 | int rc = -1; | |
1845 | ||
1846 | oipt = THREAD_ARG(t); | |
1847 | oipt->t_opaque_lsa_self = NULL; | |
1848 | ||
1849 | if ((functab = oipt->functab) == NULL | |
1850 | || functab->lsa_originator == NULL) { | |
34f74c7a | 1851 | flog_warn( |
cf444bcf | 1852 | EC_OSPF_LSA, |
d62a17ae | 1853 | "ospf_opaque_type9_lsa_reoriginate_timer: No associated function?"); |
1854 | goto out; | |
1855 | } | |
1856 | ||
1857 | oi = (struct ospf_interface *)oipt->owner; | |
1858 | if ((top = oi_to_top(oi)) == NULL) { | |
34f74c7a | 1859 | flog_warn( |
cf444bcf | 1860 | EC_OSPF_LSA, |
d62a17ae | 1861 | "ospf_opaque_type9_lsa_reoriginate_timer: Something wrong?"); |
1862 | goto out; | |
1863 | } | |
1864 | ||
1865 | if (!CHECK_FLAG(top->config, OSPF_OPAQUE_CAPABLE) | |
1866 | || !ospf_if_is_enable(oi) | |
1867 | || ospf_nbr_count_opaque_capable(oi) == 0) { | |
1868 | if (IS_DEBUG_OSPF_EVENT) | |
1869 | zlog_debug( | |
1870 | "Suspend re-origination of Type-9 Opaque-LSAs (opaque-type=%u) for a while...", | |
1871 | oipt->opaque_type); | |
1872 | ||
1873 | oipt->status = PROC_SUSPEND; | |
1874 | rc = 0; | |
1875 | goto out; | |
1876 | } | |
1877 | ||
1878 | if (IS_DEBUG_OSPF_EVENT) | |
1879 | zlog_debug( | |
1880 | "Timer[Type9-LSA]: Re-originate Opaque-LSAs (opaque-type=%u) for OI (%s)", | |
1881 | oipt->opaque_type, IF_NAME(oi)); | |
1882 | ||
1883 | rc = (*functab->lsa_originator)(oi); | |
718e3744 | 1884 | out: |
d62a17ae | 1885 | return rc; |
1886 | } | |
1887 | ||
1888 | static int ospf_opaque_type10_lsa_reoriginate_timer(struct thread *t) | |
1889 | { | |
1890 | struct opaque_info_per_type *oipt; | |
1891 | struct ospf_opaque_functab *functab; | |
1892 | struct listnode *node, *nnode; | |
1893 | struct ospf *top; | |
1894 | struct ospf_area *area; | |
1895 | struct ospf_interface *oi; | |
1896 | int n, rc = -1; | |
1897 | ||
1898 | oipt = THREAD_ARG(t); | |
1899 | oipt->t_opaque_lsa_self = NULL; | |
1900 | ||
1901 | if ((functab = oipt->functab) == NULL | |
1902 | || functab->lsa_originator == NULL) { | |
34f74c7a | 1903 | flog_warn( |
cf444bcf | 1904 | EC_OSPF_LSA, |
d62a17ae | 1905 | "ospf_opaque_type10_lsa_reoriginate_timer: No associated function?"); |
1906 | goto out; | |
1907 | } | |
1908 | ||
1909 | area = (struct ospf_area *)oipt->owner; | |
1910 | if (area == NULL || (top = area->ospf) == NULL) { | |
34f74c7a | 1911 | flog_warn( |
cf444bcf | 1912 | EC_OSPF_LSA, |
d62a17ae | 1913 | "ospf_opaque_type10_lsa_reoriginate_timer: Something wrong?"); |
1914 | goto out; | |
1915 | } | |
1916 | ||
1917 | /* There must be at least one "opaque-capable, full-state" neighbor. */ | |
1918 | n = 0; | |
1919 | for (ALL_LIST_ELEMENTS(area->oiflist, node, nnode, oi)) { | |
1920 | if ((n = ospf_nbr_count_opaque_capable(oi)) > 0) | |
1921 | break; | |
1922 | } | |
1923 | ||
1924 | if (n == 0 || !CHECK_FLAG(top->config, OSPF_OPAQUE_CAPABLE)) { | |
1925 | if (IS_DEBUG_OSPF_EVENT) | |
1926 | zlog_debug( | |
3efd0893 | 1927 | "Suspend re-origination of Type-10 Opaque-LSAs (opaque-type=%u) for a while...", |
d62a17ae | 1928 | oipt->opaque_type); |
1929 | ||
1930 | oipt->status = PROC_SUSPEND; | |
1931 | rc = 0; | |
1932 | goto out; | |
1933 | } | |
1934 | ||
1935 | if (IS_DEBUG_OSPF_EVENT) | |
1936 | zlog_debug( | |
96b663a3 MS |
1937 | "Timer[Type10-LSA]: Re-originate Opaque-LSAs (opaque-type=%u) for Area %pI4", |
1938 | oipt->opaque_type, &area->area_id); | |
d62a17ae | 1939 | |
1940 | rc = (*functab->lsa_originator)(area); | |
718e3744 | 1941 | out: |
d62a17ae | 1942 | return rc; |
1943 | } | |
1944 | ||
1945 | static int ospf_opaque_type11_lsa_reoriginate_timer(struct thread *t) | |
1946 | { | |
1947 | struct opaque_info_per_type *oipt; | |
1948 | struct ospf_opaque_functab *functab; | |
1949 | struct ospf *top; | |
1950 | int rc = -1; | |
1951 | ||
1952 | oipt = THREAD_ARG(t); | |
1953 | oipt->t_opaque_lsa_self = NULL; | |
1954 | ||
1955 | if ((functab = oipt->functab) == NULL | |
1956 | || functab->lsa_originator == NULL) { | |
34f74c7a | 1957 | flog_warn( |
cf444bcf | 1958 | EC_OSPF_LSA, |
34f74c7a | 1959 | "ospf_opaque_type11_lsa_reoriginate_timer: No associated function?"); |
d62a17ae | 1960 | goto out; |
1961 | } | |
1962 | ||
1963 | if ((top = (struct ospf *)oipt->owner) == NULL) { | |
34f74c7a | 1964 | flog_warn( |
cf444bcf | 1965 | EC_OSPF_LSA, |
d62a17ae | 1966 | "ospf_opaque_type11_lsa_reoriginate_timer: Something wrong?"); |
1967 | goto out; | |
1968 | } | |
1969 | ||
1970 | if (!CHECK_FLAG(top->config, OSPF_OPAQUE_CAPABLE)) { | |
1971 | if (IS_DEBUG_OSPF_EVENT) | |
1972 | zlog_debug( | |
1973 | "Suspend re-origination of Type-11 Opaque-LSAs (opaque-type=%u) for a while...", | |
1974 | oipt->opaque_type); | |
1975 | ||
1976 | oipt->status = PROC_SUSPEND; | |
1977 | rc = 0; | |
1978 | goto out; | |
1979 | } | |
1980 | ||
1981 | if (IS_DEBUG_OSPF_EVENT) | |
1982 | zlog_debug( | |
1983 | "Timer[Type11-LSA]: Re-originate Opaque-LSAs (opaque-type=%u).", | |
1984 | oipt->opaque_type); | |
1985 | ||
1986 | rc = (*functab->lsa_originator)(top); | |
718e3744 | 1987 | out: |
d62a17ae | 1988 | return rc; |
1989 | } | |
1990 | ||
1991 | void ospf_opaque_lsa_refresh_schedule(struct ospf_lsa *lsa0) | |
1992 | { | |
1993 | struct opaque_info_per_type *oipt; | |
1994 | struct opaque_info_per_id *oipi; | |
1995 | struct ospf_lsa *lsa; | |
1996 | struct ospf *top; | |
1997 | int delay; | |
1998 | ||
1999 | if ((oipt = lookup_opaque_info_by_type(lsa0)) == NULL | |
2000 | || (oipi = lookup_opaque_info_by_id(oipt, lsa0)) == NULL) { | |
34f74c7a | 2001 | flog_warn( |
cf444bcf | 2002 | EC_OSPF_LSA, |
d62a17ae | 2003 | "ospf_opaque_lsa_refresh_schedule: Invalid parameter?"); |
2004 | goto out; | |
2005 | } | |
2006 | ||
2007 | /* Given "lsa0" and current "oipi->lsa" may different, but harmless. */ | |
2008 | if ((lsa = oipi->lsa) == NULL) { | |
cf444bcf | 2009 | flog_warn(EC_OSPF_LSA, |
34f74c7a | 2010 | "ospf_opaque_lsa_refresh_schedule: Something wrong?"); |
d62a17ae | 2011 | goto out; |
2012 | } | |
2013 | ||
2014 | if (oipi->t_opaque_lsa_self != NULL) { | |
2015 | if (IS_DEBUG_OSPF_EVENT) | |
2016 | zlog_debug( | |
2017 | "Type-%u Opaque-LSA has already scheduled to REFRESH: [opaque-type=%u, opaque-id=%x]", | |
2018 | lsa->data->type, | |
2019 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)), | |
2020 | GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr))); | |
2021 | goto out; | |
2022 | } | |
2023 | ||
2024 | /* Delete this lsa from neighbor retransmit-list. */ | |
2025 | switch (lsa->data->type) { | |
2026 | case OSPF_OPAQUE_LINK_LSA: | |
2027 | case OSPF_OPAQUE_AREA_LSA: | |
2028 | ospf_ls_retransmit_delete_nbr_area(lsa->area, lsa); | |
2029 | break; | |
2030 | case OSPF_OPAQUE_AS_LSA: | |
b5a8894d | 2031 | top = ospf_lookup_by_vrf_id(lsa0->vrf_id); |
d62a17ae | 2032 | if ((lsa0->area != NULL) && (lsa0->area->ospf != NULL)) |
2033 | top = lsa0->area->ospf; | |
2034 | ospf_ls_retransmit_delete_nbr_as(top, lsa); | |
2035 | break; | |
2036 | default: | |
34f74c7a | 2037 | flog_warn( |
cf444bcf | 2038 | EC_OSPF_LSA_UNEXPECTED, |
d62a17ae | 2039 | "ospf_opaque_lsa_refresh_schedule: Unexpected LSA-type(%u)", |
2040 | lsa->data->type); | |
2041 | goto out; | |
2042 | } | |
2043 | ||
2044 | delay = ospf_lsa_refresh_delay(lsa); | |
2045 | ||
2046 | if (IS_DEBUG_OSPF_EVENT) | |
2047 | zlog_debug( | |
2048 | "Schedule Type-%u Opaque-LSA to REFRESH in %d sec later: [opaque-type=%u, opaque-id=%x]", | |
2049 | lsa->data->type, delay, | |
2050 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)), | |
2051 | GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr))); | |
2052 | ||
2053 | OSPF_OPAQUE_TIMER_ON(oipi->t_opaque_lsa_self, | |
2054 | ospf_opaque_lsa_refresh_timer, oipi, delay * 1000); | |
718e3744 | 2055 | out: |
d62a17ae | 2056 | return; |
718e3744 | 2057 | } |
2058 | ||
d62a17ae | 2059 | static int ospf_opaque_lsa_refresh_timer(struct thread *t) |
718e3744 | 2060 | { |
d62a17ae | 2061 | struct opaque_info_per_id *oipi; |
2062 | struct ospf_opaque_functab *functab; | |
2063 | struct ospf_lsa *lsa; | |
718e3744 | 2064 | |
d62a17ae | 2065 | if (IS_DEBUG_OSPF_EVENT) |
2066 | zlog_debug("Timer[Opaque-LSA]: (Opaque-LSA Refresh expire)"); | |
718e3744 | 2067 | |
d62a17ae | 2068 | oipi = THREAD_ARG(t); |
2069 | oipi->t_opaque_lsa_self = NULL; | |
718e3744 | 2070 | |
d62a17ae | 2071 | if ((lsa = oipi->lsa) != NULL) |
2072 | if ((functab = oipi->opqctl_type->functab) != NULL) | |
2073 | if (functab->lsa_refresher != NULL) | |
2074 | (*functab->lsa_refresher)(lsa); | |
718e3744 | 2075 | |
d62a17ae | 2076 | return 0; |
718e3744 | 2077 | } |
2078 | ||
d62a17ae | 2079 | void ospf_opaque_lsa_flush_schedule(struct ospf_lsa *lsa0) |
718e3744 | 2080 | { |
d62a17ae | 2081 | struct opaque_info_per_type *oipt; |
2082 | struct opaque_info_per_id *oipi; | |
2083 | struct ospf_lsa *lsa; | |
2084 | struct ospf *top; | |
16f1b9ee | 2085 | |
b5a8894d | 2086 | top = ospf_lookup_by_vrf_id(lsa0->vrf_id); |
718e3744 | 2087 | |
d62a17ae | 2088 | if ((oipt = lookup_opaque_info_by_type(lsa0)) == NULL |
2089 | || (oipi = lookup_opaque_info_by_id(oipt, lsa0)) == NULL) { | |
cf444bcf | 2090 | flog_warn(EC_OSPF_LSA, |
34f74c7a | 2091 | "ospf_opaque_lsa_flush_schedule: Invalid parameter?"); |
d62a17ae | 2092 | goto out; |
2093 | } | |
718e3744 | 2094 | |
d62a17ae | 2095 | /* Given "lsa0" and current "oipi->lsa" may different, but harmless. */ |
2096 | if ((lsa = oipi->lsa) == NULL) { | |
cf444bcf | 2097 | flog_warn(EC_OSPF_LSA, |
34f74c7a | 2098 | "ospf_opaque_lsa_flush_schedule: Something wrong?"); |
d62a17ae | 2099 | goto out; |
2100 | } | |
718e3744 | 2101 | |
d62a17ae | 2102 | /* Delete this lsa from neighbor retransmit-list. */ |
2103 | switch (lsa->data->type) { | |
2104 | case OSPF_OPAQUE_LINK_LSA: | |
2105 | case OSPF_OPAQUE_AREA_LSA: | |
2106 | ospf_ls_retransmit_delete_nbr_area(lsa->area, lsa); | |
2107 | break; | |
2108 | case OSPF_OPAQUE_AS_LSA: | |
2109 | if ((lsa0->area != NULL) && (lsa0->area->ospf != NULL)) | |
2110 | top = lsa0->area->ospf; | |
2111 | ospf_ls_retransmit_delete_nbr_as(top, lsa); | |
2112 | break; | |
2113 | default: | |
34f74c7a | 2114 | flog_warn( |
cf444bcf | 2115 | EC_OSPF_LSA_UNEXPECTED, |
d62a17ae | 2116 | "ospf_opaque_lsa_flush_schedule: Unexpected LSA-type(%u)", |
2117 | lsa->data->type); | |
2118 | goto out; | |
2119 | } | |
718e3744 | 2120 | |
d62a17ae | 2121 | /* Dequeue listnode entry from the list. */ |
2122 | listnode_delete(oipt->id_list, oipi); | |
718e3744 | 2123 | |
d62a17ae | 2124 | /* Disassociate internal control information with the given lsa. */ |
2125 | free_opaque_info_per_id((void *)oipi); | |
718e3744 | 2126 | |
d62a17ae | 2127 | /* Force given lsa's age to MaxAge. */ |
2128 | lsa->data->ls_age = htons(OSPF_LSA_MAXAGE); | |
718e3744 | 2129 | |
d62a17ae | 2130 | if (IS_DEBUG_OSPF_EVENT) |
2131 | zlog_debug( | |
2132 | "Schedule Type-%u Opaque-LSA to FLUSH: [opaque-type=%u, opaque-id=%x]", | |
2133 | lsa->data->type, | |
2134 | GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)), | |
2135 | GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr))); | |
718e3744 | 2136 | |
d62a17ae | 2137 | /* This lsa will be flushed and removed eventually. */ |
2138 | ospf_lsa_flush(top, lsa); | |
718e3744 | 2139 | |
2140 | out: | |
d62a17ae | 2141 | return; |
2142 | } | |
2143 | ||
2144 | void ospf_opaque_self_originated_lsa_received(struct ospf_neighbor *nbr, | |
2145 | struct ospf_lsa *lsa) | |
2146 | { | |
2147 | struct ospf *top; | |
2148 | ||
2149 | if ((top = oi_to_top(nbr->oi)) == NULL) | |
2150 | return; | |
2151 | ||
2152 | /* | |
2153 | * Since these LSA entries are not yet installed into corresponding | |
2154 | * LSDB, just flush them without calling ospf_ls_maxage() afterward. | |
2155 | */ | |
2156 | lsa->data->ls_age = htons(OSPF_LSA_MAXAGE); | |
2157 | switch (lsa->data->type) { | |
2158 | case OSPF_OPAQUE_LINK_LSA: | |
2159 | ospf_flood_through_area(nbr->oi->area, NULL /*inbr*/, lsa); | |
2160 | break; | |
2161 | case OSPF_OPAQUE_AREA_LSA: | |
2162 | ospf_flood_through_area(nbr->oi->area, NULL /*inbr*/, lsa); | |
2163 | break; | |
2164 | case OSPF_OPAQUE_AS_LSA: | |
2165 | ospf_flood_through_as(top, NULL /*inbr*/, lsa); | |
2166 | break; | |
2167 | default: | |
34f74c7a | 2168 | flog_warn( |
cf444bcf | 2169 | EC_OSPF_LSA_UNEXPECTED, |
d62a17ae | 2170 | "ospf_opaque_self_originated_lsa_received: Unexpected LSA-type(%u)", |
2171 | lsa->data->type); | |
2172 | return; | |
2173 | } | |
2174 | ospf_lsa_discard(lsa); /* List "lsas" will be deleted by caller. */ | |
718e3744 | 2175 | } |
2176 | ||
2177 | /*------------------------------------------------------------------------* | |
2178 | * Followings are util functions; probably be used by Opaque-LSAs only... | |
2179 | *------------------------------------------------------------------------*/ | |
2180 | ||
d62a17ae | 2181 | struct ospf *oi_to_top(struct ospf_interface *oi) |
718e3744 | 2182 | { |
d62a17ae | 2183 | struct ospf *top = NULL; |
2184 | struct ospf_area *area; | |
718e3744 | 2185 | |
d62a17ae | 2186 | if (oi == NULL || (area = oi->area) == NULL |
2187 | || (top = area->ospf) == NULL) | |
cf444bcf | 2188 | flog_warn(EC_OSPF_LSA, |
34f74c7a | 2189 | "Broken relationship for \"OI -> AREA -> OSPF\"?"); |
718e3744 | 2190 | |
d62a17ae | 2191 | return top; |
718e3744 | 2192 | } |