]>
Commit | Line | Data |
---|---|---|
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. | |
12 | * | |
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 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
20 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
21 | * 02111-1307, USA. | |
22 | */ | |
23 | ||
718e3744 | 24 | #include <zebra.h> |
718e3744 | 25 | |
26 | #include "linklist.h" | |
27 | #include "prefix.h" | |
28 | #include "if.h" | |
29 | #include "table.h" | |
30 | #include "memory.h" | |
31 | #include "command.h" | |
32 | #include "vty.h" | |
33 | #include "stream.h" | |
34 | #include "log.h" | |
35 | #include "thread.h" | |
36 | #include "hash.h" | |
37 | #include "sockunion.h" /* for inet_aton() */ | |
38 | ||
39 | #include "ospfd/ospfd.h" | |
40 | #include "ospfd/ospf_interface.h" | |
41 | #include "ospfd/ospf_ism.h" | |
42 | #include "ospfd/ospf_asbr.h" | |
43 | #include "ospfd/ospf_lsa.h" | |
44 | #include "ospfd/ospf_lsdb.h" | |
45 | #include "ospfd/ospf_neighbor.h" | |
46 | #include "ospfd/ospf_nsm.h" | |
47 | #include "ospfd/ospf_flood.h" | |
48 | #include "ospfd/ospf_packet.h" | |
49 | #include "ospfd/ospf_spf.h" | |
50 | #include "ospfd/ospf_dump.h" | |
51 | #include "ospfd/ospf_route.h" | |
52 | #include "ospfd/ospf_ase.h" | |
53 | #include "ospfd/ospf_zebra.h" | |
54 | ||
fc7948fa DL |
55 | DEFINE_MTYPE_STATIC(OSPFD, OSPF_OPAQUE_FUNCTAB, "OSPF opaque function table") |
56 | DEFINE_MTYPE_STATIC(OSPFD, OPAQUE_INFO_PER_TYPE, "OSPF opaque per-type info") | |
57 | DEFINE_MTYPE_STATIC(OSPFD, OPAQUE_INFO_PER_ID, "OSPF opaque per-ID info") | |
58 | ||
718e3744 | 59 | /*------------------------------------------------------------------------* |
60 | * Followings are initialize/terminate functions for Opaque-LSAs handling. | |
61 | *------------------------------------------------------------------------*/ | |
62 | ||
718e3744 | 63 | #include "ospfd/ospf_te.h" |
0ef4bcdc | 64 | #include "ospfd/ospf_ri.h" |
718e3744 | 65 | |
283ae334 | 66 | #ifdef SUPPORT_OSPF_API |
67 | int ospf_apiserver_init (void); | |
68 | void ospf_apiserver_term (void); | |
f4d58ce5 | 69 | /* Init apiserver? It's disabled by default. */ |
70 | int ospf_apiserver_enable; | |
283ae334 | 71 | #endif /* SUPPORT_OSPF_API */ |
72 | ||
718e3744 | 73 | static void ospf_opaque_register_vty (void); |
74 | static void ospf_opaque_funclist_init (void); | |
75 | static void ospf_opaque_funclist_term (void); | |
76 | static void free_opaque_info_per_type (void *val); | |
77 | static void free_opaque_info_per_id (void *val); | |
78 | static int ospf_opaque_lsa_install_hook (struct ospf_lsa *lsa); | |
79 | static int ospf_opaque_lsa_delete_hook (struct ospf_lsa *lsa); | |
80 | ||
81 | void | |
82 | ospf_opaque_init (void) | |
83 | { | |
84 | ospf_opaque_register_vty (); | |
85 | ospf_opaque_funclist_init (); | |
86 | ||
718e3744 | 87 | if (ospf_mpls_te_init () != 0) |
88 | exit (1); | |
718e3744 | 89 | |
0ef4bcdc OD |
90 | if (ospf_router_info_init () != 0) |
91 | exit (1); | |
92 | ||
283ae334 | 93 | #ifdef SUPPORT_OSPF_API |
c3abdb72 | 94 | if ((ospf_apiserver_enable) && (ospf_apiserver_init () != 0)) |
283ae334 | 95 | exit (1); |
96 | #endif /* SUPPORT_OSPF_API */ | |
97 | ||
718e3744 | 98 | return; |
99 | } | |
100 | ||
101 | void | |
102 | ospf_opaque_term (void) | |
103 | { | |
718e3744 | 104 | ospf_mpls_te_term (); |
718e3744 | 105 | |
0ef4bcdc OD |
106 | ospf_router_info_term (); |
107 | ||
283ae334 | 108 | #ifdef SUPPORT_OSPF_API |
109 | ospf_apiserver_term (); | |
110 | #endif /* SUPPORT_OSPF_API */ | |
111 | ||
718e3744 | 112 | ospf_opaque_funclist_term (); |
113 | return; | |
114 | } | |
115 | ||
116 | int | |
117 | ospf_opaque_type9_lsa_init (struct ospf_interface *oi) | |
118 | { | |
119 | if (oi->opaque_lsa_self != NULL) | |
120 | list_delete (oi->opaque_lsa_self); | |
121 | ||
122 | oi->opaque_lsa_self = list_new (); | |
123 | oi->opaque_lsa_self->del = free_opaque_info_per_type; | |
124 | oi->t_opaque_lsa_self = NULL; | |
125 | return 0; | |
126 | } | |
127 | ||
128 | void | |
129 | ospf_opaque_type9_lsa_term (struct ospf_interface *oi) | |
130 | { | |
131 | OSPF_TIMER_OFF (oi->t_opaque_lsa_self); | |
132 | if (oi->opaque_lsa_self != NULL) | |
133 | list_delete (oi->opaque_lsa_self); | |
134 | oi->opaque_lsa_self = NULL; | |
135 | return; | |
136 | } | |
137 | ||
138 | int | |
139 | ospf_opaque_type10_lsa_init (struct ospf_area *area) | |
140 | { | |
141 | if (area->opaque_lsa_self != NULL) | |
142 | list_delete (area->opaque_lsa_self); | |
143 | ||
144 | area->opaque_lsa_self = list_new (); | |
145 | area->opaque_lsa_self->del = free_opaque_info_per_type; | |
146 | area->t_opaque_lsa_self = NULL; | |
147 | ||
148 | #ifdef MONITOR_LSDB_CHANGE | |
149 | area->lsdb->new_lsa_hook = ospf_opaque_lsa_install_hook; | |
150 | area->lsdb->del_lsa_hook = ospf_opaque_lsa_delete_hook; | |
151 | #endif /* MONITOR_LSDB_CHANGE */ | |
152 | return 0; | |
153 | } | |
154 | ||
155 | void | |
156 | ospf_opaque_type10_lsa_term (struct ospf_area *area) | |
157 | { | |
158 | #ifdef MONITOR_LSDB_CHANGE | |
159 | area->lsdb->new_lsa_hook = | |
160 | area->lsdb->del_lsa_hook = NULL; | |
161 | #endif /* MONITOR_LSDB_CHANGE */ | |
162 | ||
163 | OSPF_TIMER_OFF (area->t_opaque_lsa_self); | |
164 | if (area->opaque_lsa_self != NULL) | |
165 | list_delete (area->opaque_lsa_self); | |
166 | area->opaque_lsa_self = NULL; | |
167 | return; | |
168 | } | |
169 | ||
170 | int | |
171 | ospf_opaque_type11_lsa_init (struct ospf *top) | |
172 | { | |
173 | if (top->opaque_lsa_self != NULL) | |
174 | list_delete (top->opaque_lsa_self); | |
175 | ||
176 | top->opaque_lsa_self = list_new (); | |
177 | top->opaque_lsa_self->del = free_opaque_info_per_type; | |
178 | top->t_opaque_lsa_self = NULL; | |
179 | ||
180 | #ifdef MONITOR_LSDB_CHANGE | |
181 | top->lsdb->new_lsa_hook = ospf_opaque_lsa_install_hook; | |
182 | top->lsdb->del_lsa_hook = ospf_opaque_lsa_delete_hook; | |
183 | #endif /* MONITOR_LSDB_CHANGE */ | |
184 | return 0; | |
185 | } | |
186 | ||
187 | void | |
188 | ospf_opaque_type11_lsa_term (struct ospf *top) | |
189 | { | |
190 | #ifdef MONITOR_LSDB_CHANGE | |
191 | top->lsdb->new_lsa_hook = | |
192 | top->lsdb->del_lsa_hook = NULL; | |
193 | #endif /* MONITOR_LSDB_CHANGE */ | |
194 | ||
195 | OSPF_TIMER_OFF (top->t_opaque_lsa_self); | |
196 | if (top->opaque_lsa_self != NULL) | |
197 | list_delete (top->opaque_lsa_self); | |
198 | top->opaque_lsa_self = NULL; | |
199 | return; | |
200 | } | |
201 | ||
202 | static const char * | |
203 | ospf_opaque_type_name (u_char opaque_type) | |
204 | { | |
205 | const char *name = "Unknown"; | |
206 | ||
207 | switch (opaque_type) | |
208 | { | |
209 | case OPAQUE_TYPE_WILDCARD: /* This is a special assignment! */ | |
210 | name = "Wildcard"; | |
211 | break; | |
212 | case OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA: | |
213 | name = "Traffic Engineering LSA"; | |
214 | break; | |
215 | case OPAQUE_TYPE_SYCAMORE_OPTICAL_TOPOLOGY_DESC: | |
216 | name = "Sycamore optical topology description"; | |
217 | break; | |
218 | case OPAQUE_TYPE_GRACE_LSA: | |
219 | name = "Grace-LSA"; | |
220 | break; | |
16f1b9ee OD |
221 | case OPAQUE_TYPE_INTER_AS_LSA: |
222 | name = "Inter-AS TE-v2 LSA"; | |
223 | break; | |
0ef4bcdc OD |
224 | case OPAQUE_TYPE_ROUTER_INFORMATION_LSA: |
225 | name = "Router Information LSA"; | |
226 | break; | |
718e3744 | 227 | default: |
228 | if (OPAQUE_TYPE_RANGE_UNASSIGNED (opaque_type)) | |
229 | name = "Unassigned"; | |
0798cee3 AC |
230 | else |
231 | { | |
232 | u_int32_t bigger_range = opaque_type; | |
233 | /* | |
234 | * Get around type-limits warning: comparison is always true due to limited range of data type | |
235 | */ | |
236 | if (OPAQUE_TYPE_RANGE_RESERVED (bigger_range)) | |
237 | name = "Private/Experimental"; | |
238 | } | |
718e3744 | 239 | break; |
240 | } | |
241 | return name; | |
242 | } | |
243 | ||
244 | /*------------------------------------------------------------------------* | |
245 | * Followings are management functions to store user specified callbacks. | |
246 | *------------------------------------------------------------------------*/ | |
247 | ||
248 | struct opaque_info_per_type; /* Forward declaration. */ | |
249 | ||
250 | struct ospf_opaque_functab | |
251 | { | |
252 | u_char opaque_type; | |
253 | struct opaque_info_per_type *oipt; | |
254 | ||
255 | int (* new_if_hook)(struct interface *ifp); | |
256 | int (* del_if_hook)(struct interface *ifp); | |
257 | void (* ism_change_hook)(struct ospf_interface *oi, int old_status); | |
258 | void (* nsm_change_hook)(struct ospf_neighbor *nbr, int old_status); | |
259 | void (* config_write_router)(struct vty *vty); | |
260 | void (* config_write_if )(struct vty *vty, struct interface *ifp); | |
261 | void (* config_write_debug )(struct vty *vty); | |
262 | void (* show_opaque_info )(struct vty *vty, struct ospf_lsa *lsa); | |
263 | int (* lsa_originator)(void *arg); | |
d71ea652 | 264 | struct ospf_lsa *(* lsa_refresher )(struct ospf_lsa *lsa); |
718e3744 | 265 | int (* new_lsa_hook)(struct ospf_lsa *lsa); |
266 | int (* del_lsa_hook)(struct ospf_lsa *lsa); | |
267 | }; | |
268 | ||
87d6f87a | 269 | /* Handle LSA-9/10/11 altogether. */ |
270 | static struct list *ospf_opaque_wildcard_funclist; | |
271 | static struct list *ospf_opaque_type9_funclist; | |
272 | static struct list *ospf_opaque_type10_funclist; | |
273 | static struct list *ospf_opaque_type11_funclist; | |
718e3744 | 274 | |
275 | static void | |
276 | ospf_opaque_del_functab (void *val) | |
277 | { | |
278 | XFREE (MTYPE_OSPF_OPAQUE_FUNCTAB, val); | |
279 | return; | |
280 | } | |
281 | ||
282 | static void | |
283 | ospf_opaque_funclist_init (void) | |
284 | { | |
87d6f87a | 285 | struct list *funclist; |
718e3744 | 286 | |
09e4efdc | 287 | funclist = ospf_opaque_wildcard_funclist = list_new (); |
288 | funclist->del = ospf_opaque_del_functab; | |
289 | ||
718e3744 | 290 | funclist = ospf_opaque_type9_funclist = list_new (); |
291 | funclist->del = ospf_opaque_del_functab; | |
292 | ||
293 | funclist = ospf_opaque_type10_funclist = list_new (); | |
294 | funclist->del = ospf_opaque_del_functab; | |
295 | ||
296 | funclist = ospf_opaque_type11_funclist = list_new (); | |
297 | funclist->del = ospf_opaque_del_functab; | |
298 | return; | |
299 | } | |
300 | ||
301 | static void | |
302 | ospf_opaque_funclist_term (void) | |
303 | { | |
87d6f87a | 304 | struct list *funclist; |
718e3744 | 305 | |
09e4efdc | 306 | funclist = ospf_opaque_wildcard_funclist; |
307 | list_delete (funclist); | |
308 | ||
718e3744 | 309 | funclist = ospf_opaque_type9_funclist; |
310 | list_delete (funclist); | |
311 | ||
312 | funclist = ospf_opaque_type10_funclist; | |
313 | list_delete (funclist); | |
314 | ||
315 | funclist = ospf_opaque_type11_funclist; | |
316 | list_delete (funclist); | |
317 | return; | |
318 | } | |
319 | ||
87d6f87a | 320 | static struct list * |
718e3744 | 321 | ospf_get_opaque_funclist (u_char lsa_type) |
322 | { | |
87d6f87a | 323 | struct list *funclist = NULL; |
718e3744 | 324 | |
325 | switch (lsa_type) | |
326 | { | |
09e4efdc | 327 | case OPAQUE_TYPE_WILDCARD: |
328 | /* XXX | |
329 | * This is an ugly trick to handle type-9/10/11 LSA altogether. | |
330 | * Yes, "OPAQUE_TYPE_WILDCARD (value 0)" is not an LSA-type, nor | |
331 | * an officially assigned opaque-type. | |
332 | * Though it is possible that the value might be officially used | |
333 | * in the future, we use it internally as a special label, for now. | |
334 | */ | |
335 | funclist = ospf_opaque_wildcard_funclist; | |
336 | break; | |
718e3744 | 337 | case OSPF_OPAQUE_LINK_LSA: |
338 | funclist = ospf_opaque_type9_funclist; | |
339 | break; | |
340 | case OSPF_OPAQUE_AREA_LSA: | |
341 | funclist = ospf_opaque_type10_funclist; | |
342 | break; | |
343 | case OSPF_OPAQUE_AS_LSA: | |
344 | funclist = ospf_opaque_type11_funclist; | |
345 | break; | |
346 | default: | |
347 | zlog_warn ("ospf_get_opaque_funclist: Unexpected LSA-type(%u)", lsa_type); | |
348 | break; | |
349 | } | |
350 | return funclist; | |
351 | } | |
352 | ||
87d6f87a | 353 | /* XXX: such a huge argument list can /not/ be healthy... */ |
718e3744 | 354 | int |
355 | ospf_register_opaque_functab ( | |
356 | u_char lsa_type, | |
357 | u_char opaque_type, | |
358 | int (* new_if_hook)(struct interface *ifp), | |
359 | int (* del_if_hook)(struct interface *ifp), | |
360 | void (* ism_change_hook)(struct ospf_interface *oi, int old_status), | |
361 | void (* nsm_change_hook)(struct ospf_neighbor *nbr, int old_status), | |
362 | void (* config_write_router)(struct vty *vty), | |
363 | void (* config_write_if )(struct vty *vty, struct interface *ifp), | |
364 | void (* config_write_debug )(struct vty *vty), | |
365 | void (* show_opaque_info )(struct vty *vty, struct ospf_lsa *lsa), | |
366 | int (* lsa_originator)(void *arg), | |
d71ea652 | 367 | struct ospf_lsa *(* lsa_refresher )(struct ospf_lsa *lsa), |
718e3744 | 368 | int (* new_lsa_hook)(struct ospf_lsa *lsa), |
369 | int (* del_lsa_hook)(struct ospf_lsa *lsa)) | |
370 | { | |
87d6f87a | 371 | struct list *funclist; |
718e3744 | 372 | struct ospf_opaque_functab *new; |
373 | int rc = -1; | |
374 | ||
375 | if ((funclist = ospf_get_opaque_funclist (lsa_type)) == NULL) | |
376 | { | |
87d6f87a | 377 | zlog_warn ("ospf_register_opaque_functab: Cannot get funclist" |
378 | " for Type-%u LSAs?", | |
379 | lsa_type); | |
718e3744 | 380 | goto out; |
381 | } | |
382 | else | |
383 | { | |
1eb8ef25 | 384 | struct listnode *node, *nnode; |
718e3744 | 385 | struct ospf_opaque_functab *functab; |
87d6f87a | 386 | |
1eb8ef25 | 387 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
87d6f87a | 388 | if (functab->opaque_type == opaque_type) |
389 | { | |
390 | zlog_warn ("ospf_register_opaque_functab: Duplicated entry?:" | |
391 | " lsa_type(%u), opaque_type(%u)", | |
392 | lsa_type, opaque_type); | |
393 | goto out; | |
394 | } | |
718e3744 | 395 | } |
396 | ||
397 | if ((new = XCALLOC (MTYPE_OSPF_OPAQUE_FUNCTAB, | |
398 | sizeof (struct ospf_opaque_functab))) == NULL) | |
399 | { | |
87d6f87a | 400 | zlog_warn ("ospf_register_opaque_functab: XMALLOC: %s", |
6099b3b5 | 401 | safe_strerror (errno)); |
718e3744 | 402 | goto out; |
403 | } | |
404 | ||
405 | new->opaque_type = opaque_type; | |
406 | new->oipt = NULL; | |
407 | new->new_if_hook = new_if_hook; | |
408 | new->del_if_hook = del_if_hook; | |
409 | new->ism_change_hook = ism_change_hook; | |
410 | new->nsm_change_hook = nsm_change_hook; | |
411 | new->config_write_router = config_write_router; | |
412 | new->config_write_if = config_write_if; | |
413 | new->config_write_debug = config_write_debug; | |
414 | new->show_opaque_info = show_opaque_info; | |
415 | new->lsa_originator = lsa_originator; | |
416 | new->lsa_refresher = lsa_refresher; | |
417 | new->new_lsa_hook = new_lsa_hook; | |
418 | new->del_lsa_hook = del_lsa_hook; | |
419 | ||
420 | listnode_add (funclist, new); | |
421 | rc = 0; | |
422 | ||
423 | out: | |
424 | return rc; | |
425 | } | |
426 | ||
427 | void | |
428 | ospf_delete_opaque_functab (u_char lsa_type, u_char opaque_type) | |
429 | { | |
87d6f87a | 430 | struct list *funclist; |
1eb8ef25 | 431 | struct listnode *node, *nnode; |
718e3744 | 432 | struct ospf_opaque_functab *functab; |
433 | ||
434 | if ((funclist = ospf_get_opaque_funclist (lsa_type)) != NULL) | |
1eb8ef25 | 435 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
718e3744 | 436 | { |
1eb8ef25 | 437 | if (functab->opaque_type == opaque_type) |
718e3744 | 438 | { |
439 | /* Cleanup internal control information, if it still remains. */ | |
440 | if (functab->oipt != NULL) | |
441 | free_opaque_info_per_type (functab->oipt); | |
442 | ||
443 | /* Dequeue listnode entry from the list. */ | |
444 | listnode_delete (funclist, functab); | |
445 | ||
446 | /* Avoid misjudgement in the next lookup. */ | |
447 | if (listcount (funclist) == 0) | |
448 | funclist->head = funclist->tail = NULL; | |
449 | ||
450 | XFREE (MTYPE_OSPF_OPAQUE_FUNCTAB, functab); | |
87d6f87a | 451 | break; |
718e3744 | 452 | } |
453 | } | |
87d6f87a | 454 | |
718e3744 | 455 | return; |
456 | } | |
457 | ||
458 | static struct ospf_opaque_functab * | |
459 | ospf_opaque_functab_lookup (struct ospf_lsa *lsa) | |
460 | { | |
87d6f87a | 461 | struct list *funclist; |
462 | struct listnode *node; | |
718e3744 | 463 | struct ospf_opaque_functab *functab; |
464 | u_char key = GET_OPAQUE_TYPE (ntohl (lsa->data->id.s_addr)); | |
465 | ||
466 | if ((funclist = ospf_get_opaque_funclist (lsa->data->type)) != NULL) | |
1eb8ef25 | 467 | for (ALL_LIST_ELEMENTS_RO (funclist, node, functab)) |
87d6f87a | 468 | if (functab->opaque_type == key) |
469 | return functab; | |
718e3744 | 470 | |
471 | return NULL; | |
472 | } | |
473 | ||
474 | /*------------------------------------------------------------------------* | |
475 | * Followings are management functions for self-originated LSA entries. | |
476 | *------------------------------------------------------------------------*/ | |
477 | ||
478 | /* | |
479 | * Opaque-LSA control information per opaque-type. | |
480 | * Single Opaque-Type may have multiple instances; each of them will be | |
481 | * identified by their opaque-id. | |
482 | */ | |
483 | struct opaque_info_per_type | |
484 | { | |
09e4efdc | 485 | u_char lsa_type; |
718e3744 | 486 | u_char opaque_type; |
487 | ||
488 | enum { PROC_NORMAL, PROC_SUSPEND } status; | |
489 | ||
490 | /* | |
491 | * Thread for (re-)origination scheduling for this opaque-type. | |
492 | * | |
493 | * Initial origination of Opaque-LSAs is controlled by generic | |
494 | * Opaque-LSA handling module so that same opaque-type entries are | |
495 | * called all at once when certain conditions are met. | |
496 | * However, there might be cases that some Opaque-LSA clients need | |
497 | * to (re-)originate their own Opaque-LSAs out-of-sync with others. | |
498 | * This thread is prepared for that specific purpose. | |
499 | */ | |
500 | struct thread *t_opaque_lsa_self; | |
501 | ||
502 | /* | |
09e4efdc | 503 | * Backpointer to an "owner" which is LSA-type dependent. |
718e3744 | 504 | * type-9: struct ospf_interface |
505 | * type-10: struct ospf_area | |
506 | * type-11: struct ospf | |
507 | */ | |
508 | void *owner; | |
509 | ||
510 | /* Collection of callback functions for this opaque-type. */ | |
511 | struct ospf_opaque_functab *functab; | |
512 | ||
513 | /* List of Opaque-LSA control informations per opaque-id. */ | |
87d6f87a | 514 | struct list *id_list; |
718e3744 | 515 | }; |
516 | ||
517 | /* Opaque-LSA control information per opaque-id. */ | |
518 | struct opaque_info_per_id | |
519 | { | |
520 | u_int32_t opaque_id; | |
521 | ||
522 | /* Thread for refresh/flush scheduling for this opaque-type/id. */ | |
523 | struct thread *t_opaque_lsa_self; | |
524 | ||
525 | /* Backpointer to Opaque-LSA control information per opaque-type. */ | |
526 | struct opaque_info_per_type *opqctl_type; | |
527 | ||
528 | /* Here comes an actual Opaque-LSA entry for this opaque-type/id. */ | |
529 | struct ospf_lsa *lsa; | |
530 | }; | |
531 | ||
532 | static struct opaque_info_per_type *register_opaque_info_per_type (struct ospf_opaque_functab *functab, struct ospf_lsa *new); | |
533 | static struct opaque_info_per_type *lookup_opaque_info_by_type (struct ospf_lsa *lsa); | |
534 | static struct opaque_info_per_id *register_opaque_info_per_id (struct opaque_info_per_type *oipt, struct ospf_lsa *new); | |
535 | static struct opaque_info_per_id *lookup_opaque_info_by_id (struct opaque_info_per_type *oipt, struct ospf_lsa *lsa); | |
536 | static struct opaque_info_per_id *register_opaque_lsa (struct ospf_lsa *new); | |
537 | ||
538 | ||
539 | static struct opaque_info_per_type * | |
540 | register_opaque_info_per_type (struct ospf_opaque_functab *functab, | |
541 | struct ospf_lsa *new) | |
542 | { | |
543 | struct ospf *top; | |
544 | struct opaque_info_per_type *oipt; | |
545 | ||
546 | if ((oipt = XCALLOC (MTYPE_OPAQUE_INFO_PER_TYPE, | |
547 | sizeof (struct opaque_info_per_type))) == NULL) | |
548 | { | |
6099b3b5 | 549 | zlog_warn ("register_opaque_info_per_type: XMALLOC: %s", safe_strerror (errno)); |
718e3744 | 550 | goto out; |
551 | } | |
552 | ||
553 | switch (new->data->type) | |
554 | { | |
555 | case OSPF_OPAQUE_LINK_LSA: | |
556 | oipt->owner = new->oi; | |
557 | listnode_add (new->oi->opaque_lsa_self, oipt); | |
558 | break; | |
559 | case OSPF_OPAQUE_AREA_LSA: | |
560 | oipt->owner = new->area; | |
561 | listnode_add (new->area->opaque_lsa_self, oipt); | |
562 | break; | |
563 | case OSPF_OPAQUE_AS_LSA: | |
020709f9 | 564 | top = ospf_lookup (); |
68980084 | 565 | if (new->area != NULL && (top = new->area->ospf) == NULL) |
718e3744 | 566 | { |
567 | free_opaque_info_per_type ((void *) oipt); | |
568 | oipt = NULL; | |
569 | goto out; /* This case may not exist. */ | |
570 | } | |
571 | oipt->owner = top; | |
572 | listnode_add (top->opaque_lsa_self, oipt); | |
573 | break; | |
574 | default: | |
09e4efdc | 575 | zlog_warn ("register_opaque_info_per_type: Unexpected LSA-type(%u)", new->data->type); |
718e3744 | 576 | free_opaque_info_per_type ((void *) oipt); |
577 | oipt = NULL; | |
578 | goto out; /* This case may not exist. */ | |
579 | } | |
580 | ||
09e4efdc | 581 | oipt->lsa_type = new->data->type; |
718e3744 | 582 | oipt->opaque_type = GET_OPAQUE_TYPE (ntohl (new->data->id.s_addr)); |
583 | oipt->status = PROC_NORMAL; | |
584 | oipt->t_opaque_lsa_self = NULL; | |
585 | oipt->functab = functab; | |
586 | functab->oipt = oipt; | |
587 | oipt->id_list = list_new (); | |
588 | oipt->id_list->del = free_opaque_info_per_id; | |
589 | ||
590 | out: | |
591 | return oipt; | |
592 | } | |
593 | ||
594 | static void | |
595 | free_opaque_info_per_type (void *val) | |
596 | { | |
597 | struct opaque_info_per_type *oipt = (struct opaque_info_per_type *) val; | |
598 | struct opaque_info_per_id *oipi; | |
599 | struct ospf_lsa *lsa; | |
1eb8ef25 | 600 | struct listnode *node, *nnode; |
718e3744 | 601 | |
602 | /* Control information per opaque-id may still exist. */ | |
1eb8ef25 | 603 | for (ALL_LIST_ELEMENTS (oipt->id_list, node, nnode, oipi)) |
718e3744 | 604 | { |
718e3744 | 605 | if ((lsa = oipi->lsa) == NULL) |
606 | continue; | |
607 | if (IS_LSA_MAXAGE (lsa)) | |
608 | continue; | |
609 | ospf_opaque_lsa_flush_schedule (lsa); | |
610 | } | |
611 | ||
09e4efdc | 612 | /* Remove "oipt" from its owner's self-originated LSA list. */ |
613 | switch (oipt->lsa_type) | |
614 | { | |
615 | case OSPF_OPAQUE_LINK_LSA: | |
616 | { | |
617 | struct ospf_interface *oi = (struct ospf_interface *)(oipt->owner); | |
618 | listnode_delete (oi->opaque_lsa_self, oipt); | |
619 | break; | |
620 | } | |
621 | case OSPF_OPAQUE_AREA_LSA: | |
622 | { | |
623 | struct ospf_area *area = (struct ospf_area *)(oipt->owner); | |
624 | listnode_delete (area->opaque_lsa_self, oipt); | |
625 | break; | |
626 | } | |
627 | case OSPF_OPAQUE_AS_LSA: | |
628 | { | |
629 | struct ospf *top = (struct ospf *)(oipt->owner); | |
630 | listnode_delete (top->opaque_lsa_self, oipt); | |
631 | break; | |
632 | } | |
633 | default: | |
634 | zlog_warn ("free_opaque_info_per_type: Unexpected LSA-type(%u)", oipt->lsa_type); | |
635 | break; /* This case may not exist. */ | |
636 | } | |
637 | ||
718e3744 | 638 | OSPF_TIMER_OFF (oipt->t_opaque_lsa_self); |
639 | list_delete (oipt->id_list); | |
640 | XFREE (MTYPE_OPAQUE_INFO_PER_TYPE, oipt); | |
641 | return; | |
642 | } | |
643 | ||
644 | static struct opaque_info_per_type * | |
645 | lookup_opaque_info_by_type (struct ospf_lsa *lsa) | |
646 | { | |
647 | struct ospf *top; | |
648 | struct ospf_area *area; | |
649 | struct ospf_interface *oi; | |
87d6f87a | 650 | struct list *listtop = NULL; |
1eb8ef25 | 651 | struct listnode *node, *nnode; |
718e3744 | 652 | struct opaque_info_per_type *oipt = NULL; |
653 | u_char key = GET_OPAQUE_TYPE (ntohl (lsa->data->id.s_addr)); | |
654 | ||
655 | switch (lsa->data->type) | |
656 | { | |
657 | case OSPF_OPAQUE_LINK_LSA: | |
658 | if ((oi = lsa->oi) != NULL) | |
659 | listtop = oi->opaque_lsa_self; | |
660 | else | |
661 | zlog_warn ("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 | |
667 | zlog_warn ("Type-10 Opaque-LSA: Reference to AREA is missing?"); | |
668 | break; | |
669 | case OSPF_OPAQUE_AS_LSA: | |
020709f9 | 670 | top = ospf_lookup (); |
68980084 | 671 | if ((area = lsa->area) != NULL && (top = area->ospf) == NULL) |
718e3744 | 672 | { |
673 | zlog_warn ("Type-11 Opaque-LSA: Reference to OSPF is missing?"); | |
674 | break; /* Unlikely to happen. */ | |
675 | } | |
676 | listtop = top->opaque_lsa_self; | |
677 | break; | |
678 | default: | |
679 | zlog_warn ("lookup_opaque_info_by_type: Unexpected LSA-type(%u)", lsa->data->type); | |
680 | break; | |
681 | } | |
682 | ||
683 | if (listtop != NULL) | |
1eb8ef25 | 684 | for (ALL_LIST_ELEMENTS (listtop, node, nnode, oipt)) |
87d6f87a | 685 | if (oipt->opaque_type == key) |
686 | return oipt; | |
718e3744 | 687 | |
688 | return NULL; | |
689 | } | |
690 | ||
691 | static struct opaque_info_per_id * | |
692 | register_opaque_info_per_id (struct opaque_info_per_type *oipt, | |
693 | struct ospf_lsa *new) | |
694 | { | |
695 | struct opaque_info_per_id *oipi; | |
696 | ||
697 | if ((oipi = XCALLOC (MTYPE_OPAQUE_INFO_PER_ID, | |
698 | sizeof (struct opaque_info_per_id))) == NULL) | |
699 | { | |
6099b3b5 | 700 | zlog_warn ("register_opaque_info_per_id: XMALLOC: %s", safe_strerror (errno)); |
718e3744 | 701 | goto out; |
702 | } | |
703 | oipi->opaque_id = GET_OPAQUE_ID (ntohl (new->data->id.s_addr)); | |
704 | oipi->t_opaque_lsa_self = NULL; | |
705 | oipi->opqctl_type = oipt; | |
706 | oipi->lsa = ospf_lsa_lock (new); | |
707 | ||
708 | listnode_add (oipt->id_list, oipi); | |
709 | ||
710 | out: | |
711 | return oipi; | |
712 | } | |
713 | ||
714 | static void | |
715 | free_opaque_info_per_id (void *val) | |
716 | { | |
717 | struct opaque_info_per_id *oipi = (struct opaque_info_per_id *) val; | |
718 | ||
719 | OSPF_TIMER_OFF (oipi->t_opaque_lsa_self); | |
720 | if (oipi->lsa != NULL) | |
1fe6ed38 | 721 | ospf_lsa_unlock (&oipi->lsa); |
718e3744 | 722 | XFREE (MTYPE_OPAQUE_INFO_PER_ID, oipi); |
723 | return; | |
724 | } | |
725 | ||
726 | static struct opaque_info_per_id * | |
727 | lookup_opaque_info_by_id (struct opaque_info_per_type *oipt, | |
728 | struct ospf_lsa *lsa) | |
729 | { | |
1eb8ef25 | 730 | struct listnode *node, *nnode; |
718e3744 | 731 | struct opaque_info_per_id *oipi; |
732 | u_int32_t key = GET_OPAQUE_ID (ntohl (lsa->data->id.s_addr)); | |
733 | ||
1eb8ef25 | 734 | for (ALL_LIST_ELEMENTS (oipt->id_list, node, nnode, oipi)) |
87d6f87a | 735 | if (oipi->opaque_id == key) |
736 | return oipi; | |
718e3744 | 737 | |
738 | return NULL; | |
739 | } | |
740 | ||
741 | static struct opaque_info_per_id * | |
742 | register_opaque_lsa (struct ospf_lsa *new) | |
743 | { | |
744 | struct ospf_opaque_functab *functab; | |
745 | struct opaque_info_per_type *oipt; | |
746 | struct opaque_info_per_id *oipi = NULL; | |
747 | ||
748 | if ((functab = ospf_opaque_functab_lookup (new)) == NULL) | |
749 | goto out; | |
750 | ||
751 | if ((oipt = lookup_opaque_info_by_type (new)) == NULL | |
752 | && (oipt = register_opaque_info_per_type (functab, new)) == NULL) | |
753 | goto out; | |
754 | ||
755 | if ((oipi = register_opaque_info_per_id (oipt, new)) == NULL) | |
756 | goto out; | |
757 | ||
758 | out: | |
759 | return oipi; | |
760 | } | |
761 | ||
762 | /*------------------------------------------------------------------------* | |
763 | * Followings are (vty) configuration functions for Opaque-LSAs handling. | |
764 | *------------------------------------------------------------------------*/ | |
765 | ||
766 | DEFUN (capability_opaque, | |
767 | capability_opaque_cmd, | |
768 | "capability opaque", | |
769 | "Enable specific OSPF feature\n" | |
770 | "Opaque LSA\n") | |
771 | { | |
772 | struct ospf *ospf = (struct ospf *) vty->index; | |
773 | ||
7c8ff89e DS |
774 | if (!ospf) |
775 | return CMD_SUCCESS; | |
776 | ||
718e3744 | 777 | /* Turn on the "master switch" of opaque-lsa capability. */ |
778 | if (!CHECK_FLAG (ospf->config, OSPF_OPAQUE_CAPABLE)) | |
779 | { | |
780 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 781 | zlog_debug ("Opaque capability: OFF -> ON"); |
718e3744 | 782 | |
783 | SET_FLAG (ospf->config, OSPF_OPAQUE_CAPABLE); | |
784 | ospf_renegotiate_optional_capabilities (ospf); | |
785 | } | |
786 | return CMD_SUCCESS; | |
787 | } | |
788 | ||
789 | ALIAS (capability_opaque, | |
790 | ospf_opaque_capable_cmd, | |
791 | "ospf opaque-lsa", | |
792 | "OSPF specific commands\n" | |
793 | "Enable the Opaque-LSA capability (rfc2370)\n") | |
794 | ||
795 | DEFUN (no_capability_opaque, | |
796 | no_capability_opaque_cmd, | |
797 | "no capability opaque", | |
798 | NO_STR | |
799 | "Enable specific OSPF feature\n" | |
800 | "Opaque LSA\n") | |
801 | { | |
802 | struct ospf *ospf = (struct ospf *) vty->index; | |
803 | ||
7c8ff89e DS |
804 | if (!ospf) |
805 | return CMD_SUCCESS; | |
806 | ||
718e3744 | 807 | /* Turn off the "master switch" of opaque-lsa capability. */ |
808 | if (CHECK_FLAG (ospf->config, OSPF_OPAQUE_CAPABLE)) | |
809 | { | |
810 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 811 | zlog_debug ("Opaque capability: ON -> OFF"); |
718e3744 | 812 | |
813 | UNSET_FLAG (ospf->config, OSPF_OPAQUE_CAPABLE); | |
814 | ospf_renegotiate_optional_capabilities (ospf); | |
815 | } | |
816 | return CMD_SUCCESS; | |
817 | } | |
818 | ||
819 | ALIAS (no_capability_opaque, | |
820 | no_ospf_opaque_capable_cmd, | |
821 | "no ospf opaque-lsa", | |
822 | NO_STR | |
823 | "OSPF specific commands\n" | |
824 | "Disable the Opaque-LSA capability (rfc2370)\n") | |
825 | ||
826 | static void | |
827 | ospf_opaque_register_vty (void) | |
828 | { | |
829 | install_element (OSPF_NODE, &capability_opaque_cmd); | |
830 | install_element (OSPF_NODE, &no_capability_opaque_cmd); | |
831 | install_element (OSPF_NODE, &ospf_opaque_capable_cmd); | |
832 | install_element (OSPF_NODE, &no_ospf_opaque_capable_cmd); | |
833 | return; | |
834 | } | |
835 | ||
836 | /*------------------------------------------------------------------------* | |
837 | * Followings are collection of user-registered function callers. | |
838 | *------------------------------------------------------------------------*/ | |
839 | ||
840 | static int | |
87d6f87a | 841 | opaque_lsa_new_if_callback (struct list *funclist, struct interface *ifp) |
718e3744 | 842 | { |
1eb8ef25 | 843 | struct listnode *node, *nnode; |
718e3744 | 844 | struct ospf_opaque_functab *functab; |
845 | int rc = -1; | |
846 | ||
1eb8ef25 | 847 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
87d6f87a | 848 | if (functab->new_if_hook != NULL) |
849 | if ((* functab->new_if_hook)(ifp) != 0) | |
850 | goto out; | |
718e3744 | 851 | rc = 0; |
852 | out: | |
853 | return rc; | |
854 | } | |
855 | ||
856 | static int | |
87d6f87a | 857 | opaque_lsa_del_if_callback (struct list *funclist, struct interface *ifp) |
718e3744 | 858 | { |
1eb8ef25 | 859 | struct listnode *node, *nnode; |
718e3744 | 860 | struct ospf_opaque_functab *functab; |
861 | int rc = -1; | |
862 | ||
1eb8ef25 | 863 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
87d6f87a | 864 | if (functab->del_if_hook != NULL) |
865 | if ((* functab->del_if_hook)(ifp) != 0) | |
866 | goto out; | |
718e3744 | 867 | rc = 0; |
868 | out: | |
869 | return rc; | |
870 | } | |
871 | ||
872 | static void | |
87d6f87a | 873 | opaque_lsa_ism_change_callback (struct list *funclist, |
718e3744 | 874 | struct ospf_interface *oi, int old_status) |
875 | { | |
1eb8ef25 | 876 | struct listnode *node, *nnode; |
718e3744 | 877 | struct ospf_opaque_functab *functab; |
878 | ||
1eb8ef25 | 879 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
87d6f87a | 880 | if (functab->ism_change_hook != NULL) |
881 | (* functab->ism_change_hook)(oi, old_status); | |
882 | ||
718e3744 | 883 | return; |
884 | } | |
885 | ||
886 | static void | |
87d6f87a | 887 | opaque_lsa_nsm_change_callback (struct list *funclist, |
718e3744 | 888 | struct ospf_neighbor *nbr, int old_status) |
889 | { | |
1eb8ef25 | 890 | struct listnode *node, *nnode; |
718e3744 | 891 | struct ospf_opaque_functab *functab; |
892 | ||
1eb8ef25 | 893 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
87d6f87a | 894 | if (functab->nsm_change_hook != NULL) |
895 | (* functab->nsm_change_hook)(nbr, old_status); | |
718e3744 | 896 | return; |
897 | } | |
898 | ||
899 | static void | |
87d6f87a | 900 | opaque_lsa_config_write_router_callback (struct list *funclist, |
901 | struct vty *vty) | |
718e3744 | 902 | { |
1eb8ef25 | 903 | struct listnode *node, *nnode; |
718e3744 | 904 | struct ospf_opaque_functab *functab; |
905 | ||
1eb8ef25 | 906 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
87d6f87a | 907 | if (functab->config_write_router != NULL) |
908 | (* functab->config_write_router)(vty); | |
718e3744 | 909 | return; |
910 | } | |
911 | ||
912 | static void | |
87d6f87a | 913 | opaque_lsa_config_write_if_callback (struct list *funclist, |
718e3744 | 914 | struct vty *vty, struct interface *ifp) |
915 | { | |
1eb8ef25 | 916 | struct listnode *node, *nnode; |
718e3744 | 917 | struct ospf_opaque_functab *functab; |
918 | ||
1eb8ef25 | 919 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
87d6f87a | 920 | if (functab->config_write_if != NULL) |
921 | (* functab->config_write_if)(vty, ifp); | |
718e3744 | 922 | return; |
923 | } | |
924 | ||
925 | static void | |
87d6f87a | 926 | opaque_lsa_config_write_debug_callback (struct list *funclist, struct vty *vty) |
718e3744 | 927 | { |
1eb8ef25 | 928 | struct listnode *node, *nnode; |
718e3744 | 929 | struct ospf_opaque_functab *functab; |
930 | ||
1eb8ef25 | 931 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
87d6f87a | 932 | if (functab->config_write_debug != NULL) |
933 | (* functab->config_write_debug)(vty); | |
718e3744 | 934 | return; |
935 | } | |
936 | ||
937 | static int | |
87d6f87a | 938 | opaque_lsa_originate_callback (struct list *funclist, void *lsa_type_dependent) |
718e3744 | 939 | { |
1eb8ef25 | 940 | struct listnode *node, *nnode; |
718e3744 | 941 | struct ospf_opaque_functab *functab; |
942 | int rc = -1; | |
943 | ||
1eb8ef25 | 944 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
87d6f87a | 945 | if (functab->lsa_originator != NULL) |
946 | if ((* functab->lsa_originator)(lsa_type_dependent) != 0) | |
947 | goto out; | |
718e3744 | 948 | rc = 0; |
949 | out: | |
950 | return rc; | |
951 | } | |
952 | ||
953 | static int | |
87d6f87a | 954 | new_lsa_callback (struct list *funclist, struct ospf_lsa *lsa) |
718e3744 | 955 | { |
1eb8ef25 | 956 | struct listnode *node, *nnode; |
718e3744 | 957 | struct ospf_opaque_functab *functab; |
958 | int rc = -1; | |
959 | ||
960 | /* This function handles ALL types of LSAs, not only opaque ones. */ | |
1eb8ef25 | 961 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
87d6f87a | 962 | if (functab->new_lsa_hook != NULL) |
963 | if ((* functab->new_lsa_hook)(lsa) != 0) | |
964 | goto out; | |
718e3744 | 965 | rc = 0; |
966 | out: | |
967 | return rc; | |
968 | } | |
969 | ||
970 | static int | |
87d6f87a | 971 | del_lsa_callback (struct list *funclist, struct ospf_lsa *lsa) |
718e3744 | 972 | { |
1eb8ef25 | 973 | struct listnode *node, *nnode; |
718e3744 | 974 | struct ospf_opaque_functab *functab; |
975 | int rc = -1; | |
976 | ||
977 | /* This function handles ALL types of LSAs, not only opaque ones. */ | |
1eb8ef25 | 978 | for (ALL_LIST_ELEMENTS (funclist, node, nnode, functab)) |
87d6f87a | 979 | if (functab->del_lsa_hook != NULL) |
980 | if ((* functab->del_lsa_hook)(lsa) != 0) | |
981 | goto out; | |
718e3744 | 982 | rc = 0; |
983 | out: | |
984 | return rc; | |
985 | } | |
986 | ||
987 | /*------------------------------------------------------------------------* | |
988 | * Followings are glue functions to call Opaque-LSA specific processing. | |
989 | *------------------------------------------------------------------------*/ | |
990 | ||
991 | int | |
992 | ospf_opaque_new_if (struct interface *ifp) | |
993 | { | |
87d6f87a | 994 | struct list *funclist; |
718e3744 | 995 | int rc = -1; |
996 | ||
09e4efdc | 997 | funclist = ospf_opaque_wildcard_funclist; |
998 | if (opaque_lsa_new_if_callback (funclist, ifp) != 0) | |
999 | goto out; | |
1000 | ||
718e3744 | 1001 | funclist = ospf_opaque_type9_funclist; |
1002 | if (opaque_lsa_new_if_callback (funclist, ifp) != 0) | |
1003 | goto out; | |
1004 | ||
1005 | funclist = ospf_opaque_type10_funclist; | |
1006 | if (opaque_lsa_new_if_callback (funclist, ifp) != 0) | |
1007 | goto out; | |
1008 | ||
1009 | funclist = ospf_opaque_type11_funclist; | |
1010 | if (opaque_lsa_new_if_callback (funclist, ifp) != 0) | |
1011 | goto out; | |
1012 | ||
1013 | rc = 0; | |
1014 | out: | |
1015 | return rc; | |
1016 | } | |
1017 | ||
1018 | int | |
1019 | ospf_opaque_del_if (struct interface *ifp) | |
1020 | { | |
87d6f87a | 1021 | struct list *funclist; |
718e3744 | 1022 | int rc = -1; |
1023 | ||
09e4efdc | 1024 | funclist = ospf_opaque_wildcard_funclist; |
1025 | if (opaque_lsa_del_if_callback (funclist, ifp) != 0) | |
1026 | goto out; | |
1027 | ||
718e3744 | 1028 | funclist = ospf_opaque_type9_funclist; |
1029 | if (opaque_lsa_del_if_callback (funclist, ifp) != 0) | |
1030 | goto out; | |
1031 | ||
1032 | funclist = ospf_opaque_type10_funclist; | |
1033 | if (opaque_lsa_del_if_callback (funclist, ifp) != 0) | |
1034 | goto out; | |
1035 | ||
1036 | funclist = ospf_opaque_type11_funclist; | |
1037 | if (opaque_lsa_del_if_callback (funclist, ifp) != 0) | |
1038 | goto out; | |
1039 | ||
1040 | rc = 0; | |
1041 | out: | |
1042 | return rc; | |
1043 | } | |
1044 | ||
1045 | void | |
1046 | ospf_opaque_ism_change (struct ospf_interface *oi, int old_status) | |
1047 | { | |
87d6f87a | 1048 | struct list *funclist; |
718e3744 | 1049 | |
09e4efdc | 1050 | funclist = ospf_opaque_wildcard_funclist; |
1051 | opaque_lsa_ism_change_callback (funclist, oi, old_status); | |
1052 | ||
718e3744 | 1053 | funclist = ospf_opaque_type9_funclist; |
1054 | opaque_lsa_ism_change_callback (funclist, oi, old_status); | |
1055 | ||
1056 | funclist = ospf_opaque_type10_funclist; | |
1057 | opaque_lsa_ism_change_callback (funclist, oi, old_status); | |
1058 | ||
1059 | funclist = ospf_opaque_type11_funclist; | |
1060 | opaque_lsa_ism_change_callback (funclist, oi, old_status); | |
1061 | ||
1062 | return; | |
1063 | } | |
1064 | ||
1065 | void | |
1066 | ospf_opaque_nsm_change (struct ospf_neighbor *nbr, int old_state) | |
1067 | { | |
1068 | struct ospf *top; | |
87d6f87a | 1069 | struct list *funclist; |
718e3744 | 1070 | |
1071 | if ((top = oi_to_top (nbr->oi)) == NULL) | |
1072 | goto out; | |
1073 | ||
1074 | if (old_state != NSM_Full && nbr->state == NSM_Full) | |
1075 | { | |
1076 | if (CHECK_FLAG (nbr->options, OSPF_OPTION_O)) | |
1077 | { | |
1078 | if (! CHECK_FLAG (top->opaque, OPAQUE_OPERATION_READY_BIT)) | |
1079 | { | |
1080 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1081 | zlog_debug ("Opaque-LSA: Now get operational!"); |
718e3744 | 1082 | |
1083 | SET_FLAG (top->opaque, OPAQUE_OPERATION_READY_BIT); | |
1084 | } | |
1085 | ||
1086 | ospf_opaque_lsa_originate_schedule (nbr->oi, NULL); | |
1087 | } | |
1088 | } | |
1089 | else | |
1090 | if (old_state == NSM_Full && nbr->state != NSM_Full) | |
1091 | { | |
1092 | #ifdef NOTYET | |
1093 | /* | |
1094 | * If no more opaque-capable full-state neighbor remains in the | |
1095 | * flooding scope which corresponds to Opaque-LSA type, periodic | |
1096 | * LS flooding should be stopped. | |
1097 | */ | |
1098 | #endif /* NOTYET */ | |
1099 | ; | |
1100 | } | |
1101 | ||
09e4efdc | 1102 | funclist = ospf_opaque_wildcard_funclist; |
1103 | opaque_lsa_nsm_change_callback (funclist, nbr, old_state); | |
1104 | ||
718e3744 | 1105 | funclist = ospf_opaque_type9_funclist; |
1106 | opaque_lsa_nsm_change_callback (funclist, nbr, old_state); | |
1107 | ||
1108 | funclist = ospf_opaque_type10_funclist; | |
1109 | opaque_lsa_nsm_change_callback (funclist, nbr, old_state); | |
1110 | ||
1111 | funclist = ospf_opaque_type11_funclist; | |
1112 | opaque_lsa_nsm_change_callback (funclist, nbr, old_state); | |
1113 | ||
1114 | out: | |
1115 | return; | |
1116 | } | |
1117 | ||
1118 | void | |
1119 | ospf_opaque_config_write_router (struct vty *vty, struct ospf *ospf) | |
1120 | { | |
87d6f87a | 1121 | struct list *funclist; |
718e3744 | 1122 | |
1123 | if (CHECK_FLAG (ospf->config, OSPF_OPAQUE_CAPABLE)) | |
1124 | vty_out (vty, " capability opaque%s", VTY_NEWLINE); | |
1125 | ||
09e4efdc | 1126 | funclist = ospf_opaque_wildcard_funclist; |
1127 | opaque_lsa_config_write_router_callback (funclist, vty); | |
1128 | ||
718e3744 | 1129 | funclist = ospf_opaque_type9_funclist; |
1130 | opaque_lsa_config_write_router_callback (funclist, vty); | |
1131 | ||
1132 | funclist = ospf_opaque_type10_funclist; | |
1133 | opaque_lsa_config_write_router_callback (funclist, vty); | |
1134 | ||
1135 | funclist = ospf_opaque_type11_funclist; | |
1136 | opaque_lsa_config_write_router_callback (funclist, vty); | |
1137 | ||
1138 | return; | |
1139 | } | |
1140 | ||
1141 | void | |
1142 | ospf_opaque_config_write_if (struct vty *vty, struct interface *ifp) | |
1143 | { | |
87d6f87a | 1144 | struct list *funclist; |
718e3744 | 1145 | |
09e4efdc | 1146 | funclist = ospf_opaque_wildcard_funclist; |
1147 | opaque_lsa_config_write_if_callback (funclist, vty, ifp); | |
1148 | ||
718e3744 | 1149 | funclist = ospf_opaque_type9_funclist; |
1150 | opaque_lsa_config_write_if_callback (funclist, vty, ifp); | |
1151 | ||
1152 | funclist = ospf_opaque_type10_funclist; | |
1153 | opaque_lsa_config_write_if_callback (funclist, vty, ifp); | |
1154 | ||
1155 | funclist = ospf_opaque_type11_funclist; | |
1156 | opaque_lsa_config_write_if_callback (funclist, vty, ifp); | |
1157 | ||
1158 | return; | |
1159 | } | |
1160 | ||
1161 | void | |
1162 | ospf_opaque_config_write_debug (struct vty *vty) | |
1163 | { | |
87d6f87a | 1164 | struct list *funclist; |
718e3744 | 1165 | |
09e4efdc | 1166 | funclist = ospf_opaque_wildcard_funclist; |
1167 | opaque_lsa_config_write_debug_callback (funclist, vty); | |
1168 | ||
718e3744 | 1169 | funclist = ospf_opaque_type9_funclist; |
1170 | opaque_lsa_config_write_debug_callback (funclist, vty); | |
1171 | ||
1172 | funclist = ospf_opaque_type10_funclist; | |
1173 | opaque_lsa_config_write_debug_callback (funclist, vty); | |
1174 | ||
1175 | funclist = ospf_opaque_type11_funclist; | |
1176 | opaque_lsa_config_write_debug_callback (funclist, vty); | |
1177 | ||
1178 | return; | |
1179 | } | |
1180 | ||
1181 | void | |
1182 | show_opaque_info_detail (struct vty *vty, struct ospf_lsa *lsa) | |
1183 | { | |
1184 | struct lsa_header *lsah = (struct lsa_header *) lsa->data; | |
1185 | u_int32_t lsid = ntohl (lsah->id.s_addr); | |
1186 | u_char opaque_type = GET_OPAQUE_TYPE (lsid); | |
1187 | u_int32_t opaque_id = GET_OPAQUE_ID (lsid); | |
1188 | struct ospf_opaque_functab *functab; | |
1189 | ||
1190 | /* Switch output functionality by vty address. */ | |
1191 | if (vty != NULL) | |
1192 | { | |
020709f9 | 1193 | vty_out (vty, " Opaque-Type %u (%s)%s", opaque_type, |
1194 | ospf_opaque_type_name (opaque_type), VTY_NEWLINE); | |
718e3744 | 1195 | vty_out (vty, " Opaque-ID 0x%x%s", opaque_id, VTY_NEWLINE); |
1196 | ||
1197 | vty_out (vty, " Opaque-Info: %u octets of data%s%s", | |
1198 | ntohs (lsah->length) - OSPF_LSA_HEADER_SIZE, | |
1199 | VALID_OPAQUE_INFO_LEN(lsah) ? "" : "(Invalid length?)", | |
1200 | VTY_NEWLINE); | |
1201 | } | |
1202 | else | |
1203 | { | |
2a42e285 | 1204 | zlog_debug (" Opaque-Type %u (%s)", opaque_type, |
020709f9 | 1205 | ospf_opaque_type_name (opaque_type)); |
2a42e285 | 1206 | zlog_debug (" Opaque-ID 0x%x", opaque_id); |
718e3744 | 1207 | |
2a42e285 | 1208 | zlog_debug (" Opaque-Info: %u octets of data%s", |
718e3744 | 1209 | ntohs (lsah->length) - OSPF_LSA_HEADER_SIZE, |
1210 | VALID_OPAQUE_INFO_LEN(lsah) ? "" : "(Invalid length?)"); | |
1211 | } | |
1212 | ||
1213 | /* Call individual output functions. */ | |
1214 | if ((functab = ospf_opaque_functab_lookup (lsa)) != NULL) | |
1215 | if (functab->show_opaque_info != NULL) | |
1216 | (* functab->show_opaque_info)(vty, lsa); | |
1217 | ||
1218 | return; | |
1219 | } | |
1220 | ||
1221 | void | |
1222 | ospf_opaque_lsa_dump (struct stream *s, u_int16_t length) | |
1223 | { | |
1224 | struct ospf_lsa lsa; | |
1225 | ||
1226 | lsa.data = (struct lsa_header *) STREAM_PNT (s); | |
1227 | show_opaque_info_detail (NULL, &lsa); | |
1228 | return; | |
1229 | } | |
1230 | ||
1231 | static int | |
1232 | ospf_opaque_lsa_install_hook (struct ospf_lsa *lsa) | |
1233 | { | |
87d6f87a | 1234 | struct list *funclist; |
718e3744 | 1235 | int rc = -1; |
1236 | ||
1237 | /* | |
1238 | * Some Opaque-LSA user may want to monitor every LSA installation | |
1239 | * into the LSDB, regardless with target LSA type. | |
1240 | */ | |
09e4efdc | 1241 | funclist = ospf_opaque_wildcard_funclist; |
1242 | if (new_lsa_callback (funclist, lsa) != 0) | |
1243 | goto out; | |
1244 | ||
718e3744 | 1245 | funclist = ospf_opaque_type9_funclist; |
1246 | if (new_lsa_callback (funclist, lsa) != 0) | |
1247 | goto out; | |
1248 | ||
1249 | funclist = ospf_opaque_type10_funclist; | |
1250 | if (new_lsa_callback (funclist, lsa) != 0) | |
1251 | goto out; | |
1252 | ||
1253 | funclist = ospf_opaque_type11_funclist; | |
1254 | if (new_lsa_callback (funclist, lsa) != 0) | |
1255 | goto out; | |
1256 | ||
1257 | rc = 0; | |
1258 | out: | |
1259 | return rc; | |
1260 | } | |
1261 | ||
1262 | static int | |
1263 | ospf_opaque_lsa_delete_hook (struct ospf_lsa *lsa) | |
1264 | { | |
87d6f87a | 1265 | struct list *funclist; |
718e3744 | 1266 | int rc = -1; |
1267 | ||
1268 | /* | |
1269 | * Some Opaque-LSA user may want to monitor every LSA deletion | |
1270 | * from the LSDB, regardless with target LSA type. | |
1271 | */ | |
09e4efdc | 1272 | funclist = ospf_opaque_wildcard_funclist; |
1273 | if (del_lsa_callback (funclist, lsa) != 0) | |
1274 | goto out; | |
1275 | ||
718e3744 | 1276 | funclist = ospf_opaque_type9_funclist; |
1277 | if (del_lsa_callback (funclist, lsa) != 0) | |
1278 | goto out; | |
1279 | ||
1280 | funclist = ospf_opaque_type10_funclist; | |
1281 | if (del_lsa_callback (funclist, lsa) != 0) | |
1282 | goto out; | |
1283 | ||
1284 | funclist = ospf_opaque_type11_funclist; | |
1285 | if (del_lsa_callback (funclist, lsa) != 0) | |
1286 | goto out; | |
1287 | ||
1288 | rc = 0; | |
1289 | out: | |
1290 | return rc; | |
1291 | } | |
1292 | ||
1293 | /*------------------------------------------------------------------------* | |
1294 | * Followings are Opaque-LSA origination/refresh management functions. | |
1295 | *------------------------------------------------------------------------*/ | |
1296 | ||
1297 | static int ospf_opaque_type9_lsa_originate (struct thread *t); | |
1298 | static int ospf_opaque_type10_lsa_originate (struct thread *t); | |
1299 | static int ospf_opaque_type11_lsa_originate (struct thread *t); | |
87d6f87a | 1300 | static void ospf_opaque_lsa_reoriginate_resume (struct list *listtop, void *arg); |
718e3744 | 1301 | |
1302 | void | |
1303 | ospf_opaque_lsa_originate_schedule (struct ospf_interface *oi, int *delay0) | |
1304 | { | |
1305 | struct ospf *top; | |
1306 | struct ospf_area *area; | |
1eb8ef25 | 1307 | struct listnode *node, *nnode; |
718e3744 | 1308 | struct opaque_info_per_type *oipt; |
1309 | int delay = 0; | |
1310 | ||
1311 | if ((top = oi_to_top (oi)) == NULL || (area = oi->area) == NULL) | |
1312 | { | |
1313 | zlog_warn ("ospf_opaque_lsa_originate_schedule: Invalid argument?"); | |
1314 | goto out; | |
1315 | } | |
1316 | ||
1317 | /* It may not a right time to schedule origination now. */ | |
1318 | if (! CHECK_FLAG (top->opaque, OPAQUE_OPERATION_READY_BIT)) | |
1319 | { | |
1320 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1321 | zlog_debug ("ospf_opaque_lsa_originate_schedule: Not operational."); |
718e3744 | 1322 | goto out; /* This is not an error. */ |
1323 | } | |
801e0e14 | 1324 | |
718e3744 | 1325 | if (delay0 != NULL) |
1326 | delay = *delay0; | |
1327 | ||
1328 | /* | |
1329 | * There might be some entries that have been waiting for triggering | |
1330 | * of per opaque-type re-origination get resumed. | |
1331 | */ | |
1332 | ospf_opaque_lsa_reoriginate_resume ( oi->opaque_lsa_self, (void *) oi); | |
1333 | ospf_opaque_lsa_reoriginate_resume (area->opaque_lsa_self, (void *) area); | |
1334 | ospf_opaque_lsa_reoriginate_resume ( top->opaque_lsa_self, (void *) top); | |
1335 | ||
1336 | /* | |
1337 | * Now, schedule origination of all Opaque-LSAs per opaque-type. | |
1338 | */ | |
1339 | if (! list_isempty (ospf_opaque_type9_funclist) | |
1340 | && list_isempty (oi->opaque_lsa_self) | |
1341 | && oi->t_opaque_lsa_self == NULL) | |
1342 | { | |
1343 | if (IS_DEBUG_OSPF_EVENT) | |
ac7424f9 | 1344 | zlog_debug ("Schedule Type-9 Opaque-LSA origination in %d ms later.", delay); |
718e3744 | 1345 | oi->t_opaque_lsa_self = |
ac7424f9 MR |
1346 | thread_add_timer_msec (master, ospf_opaque_type9_lsa_originate, oi, delay); |
1347 | delay += top->min_ls_interval; | |
718e3744 | 1348 | } |
1349 | ||
1350 | if (! list_isempty (ospf_opaque_type10_funclist) | |
1351 | && list_isempty (area->opaque_lsa_self) | |
1352 | && area->t_opaque_lsa_self == NULL) | |
1353 | { | |
1354 | /* | |
1355 | * One AREA may contain multiple OIs, but above 2nd and 3rd | |
1356 | * conditions prevent from scheduling the originate function | |
1357 | * again and again. | |
1358 | */ | |
1359 | if (IS_DEBUG_OSPF_EVENT) | |
ac7424f9 | 1360 | zlog_debug ("Schedule Type-10 Opaque-LSA origination in %d ms later.", delay); |
718e3744 | 1361 | area->t_opaque_lsa_self = |
ac7424f9 MR |
1362 | thread_add_timer_msec (master, ospf_opaque_type10_lsa_originate, |
1363 | area, delay); | |
1364 | delay += top->min_ls_interval; | |
718e3744 | 1365 | } |
1366 | ||
1367 | if (! list_isempty (ospf_opaque_type11_funclist) | |
1368 | && list_isempty (top->opaque_lsa_self) | |
1369 | && top->t_opaque_lsa_self == NULL) | |
1370 | { | |
1371 | /* | |
1372 | * One OSPF may contain multiple AREAs, but above 2nd and 3rd | |
1373 | * conditions prevent from scheduling the originate function | |
1374 | * again and again. | |
1375 | */ | |
1376 | if (IS_DEBUG_OSPF_EVENT) | |
ac7424f9 | 1377 | zlog_debug ("Schedule Type-11 Opaque-LSA origination in %d ms later.", delay); |
718e3744 | 1378 | top->t_opaque_lsa_self = |
ac7424f9 MR |
1379 | thread_add_timer_msec (master, ospf_opaque_type11_lsa_originate, |
1380 | top, delay); | |
1381 | delay += top->min_ls_interval; | |
718e3744 | 1382 | } |
1383 | ||
1384 | /* | |
1385 | * Following section treats a special situation that this node's | |
1386 | * opaque capability has changed as "ON -> OFF -> ON". | |
1387 | */ | |
1388 | if (! list_isempty (ospf_opaque_type9_funclist) | |
1389 | && ! list_isempty (oi->opaque_lsa_self)) | |
1390 | { | |
1eb8ef25 | 1391 | for (ALL_LIST_ELEMENTS (oi->opaque_lsa_self, node, nnode, oipt)) |
718e3744 | 1392 | { |
0d85b995 | 1393 | /* |
1394 | * removed the test for | |
1395 | * (! list_isempty (oipt->id_list)) * Handler is already active. * | |
1396 | * because opaque cababilities ON -> OFF -> ON result in list_isempty (oipt->id_list) | |
1397 | * not being empty. | |
1398 | */ | |
1eb8ef25 | 1399 | if (oipt->t_opaque_lsa_self != NULL /* Waiting for a thread call. */ |
1400 | || oipt->status == PROC_SUSPEND) /* Cannot originate now. */ | |
718e3744 | 1401 | continue; |
1402 | ||
1403 | ospf_opaque_lsa_reoriginate_schedule ((void *) oi, | |
1404 | OSPF_OPAQUE_LINK_LSA, oipt->opaque_type); | |
1405 | } | |
1406 | } | |
1407 | ||
1408 | if (! list_isempty (ospf_opaque_type10_funclist) | |
1409 | && ! list_isempty (area->opaque_lsa_self)) | |
1410 | { | |
1eb8ef25 | 1411 | for (ALL_LIST_ELEMENTS (area->opaque_lsa_self, node, nnode, oipt)) |
718e3744 | 1412 | { |
0d85b995 | 1413 | /* |
1414 | * removed the test for | |
1415 | * (! list_isempty (oipt->id_list)) * Handler is already active. * | |
1416 | * because opaque cababilities ON -> OFF -> ON result in list_isempty (oipt->id_list) | |
1417 | * not being empty. | |
1418 | */ | |
1eb8ef25 | 1419 | if (oipt->t_opaque_lsa_self != NULL /* Waiting for a thread call. */ |
1420 | || oipt->status == PROC_SUSPEND) /* Cannot originate now. */ | |
718e3744 | 1421 | continue; |
1422 | ||
1423 | ospf_opaque_lsa_reoriginate_schedule ((void *) area, | |
1424 | OSPF_OPAQUE_AREA_LSA, oipt->opaque_type); | |
1425 | } | |
1426 | } | |
1427 | ||
1428 | if (! list_isempty (ospf_opaque_type11_funclist) | |
1429 | && ! list_isempty (top->opaque_lsa_self)) | |
1430 | { | |
1eb8ef25 | 1431 | for (ALL_LIST_ELEMENTS (top->opaque_lsa_self, node, nnode, oipt)) |
718e3744 | 1432 | { |
0d85b995 | 1433 | /* |
1434 | * removed the test for | |
1435 | * (! list_isempty (oipt->id_list)) * Handler is already active. * | |
1436 | * because opaque cababilities ON -> OFF -> ON result in list_isempty (oipt->id_list) | |
1437 | * not being empty. | |
1438 | */ | |
1eb8ef25 | 1439 | if (oipt->t_opaque_lsa_self != NULL /* Waiting for a thread call. */ |
1440 | || oipt->status == PROC_SUSPEND) /* Cannot originate now. */ | |
718e3744 | 1441 | continue; |
1442 | ||
1443 | ospf_opaque_lsa_reoriginate_schedule ((void *) top, | |
1444 | OSPF_OPAQUE_AS_LSA, oipt->opaque_type); | |
1445 | } | |
1446 | } | |
1447 | ||
1448 | if (delay0 != NULL) | |
1449 | *delay0 = delay; | |
1450 | ||
1451 | out: | |
1452 | return; | |
1453 | } | |
1454 | ||
1455 | static int | |
1456 | ospf_opaque_type9_lsa_originate (struct thread *t) | |
1457 | { | |
1458 | struct ospf_interface *oi; | |
1459 | int rc; | |
1460 | ||
1461 | oi = THREAD_ARG (t); | |
1462 | oi->t_opaque_lsa_self = NULL; | |
1463 | ||
1464 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1465 | zlog_debug ("Timer[Type9-LSA]: Originate Opaque-LSAs for OI %s", |
718e3744 | 1466 | IF_NAME (oi)); |
1467 | ||
1468 | rc = opaque_lsa_originate_callback (ospf_opaque_type9_funclist, oi); | |
1469 | ||
1470 | return rc; | |
1471 | } | |
1472 | ||
1473 | static int | |
1474 | ospf_opaque_type10_lsa_originate (struct thread *t) | |
1475 | { | |
1476 | struct ospf_area *area; | |
1477 | int rc; | |
1478 | ||
1479 | area = THREAD_ARG (t); | |
1480 | area->t_opaque_lsa_self = NULL; | |
1481 | ||
1482 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1483 | zlog_debug ("Timer[Type10-LSA]: Originate Opaque-LSAs for Area %s", |
718e3744 | 1484 | inet_ntoa (area->area_id)); |
1485 | ||
1486 | rc = opaque_lsa_originate_callback (ospf_opaque_type10_funclist, area); | |
1487 | ||
1488 | return rc; | |
1489 | } | |
1490 | ||
1491 | static int | |
1492 | ospf_opaque_type11_lsa_originate (struct thread *t) | |
1493 | { | |
1494 | struct ospf *top; | |
1495 | int rc; | |
1496 | ||
1497 | top = THREAD_ARG (t); | |
1498 | top->t_opaque_lsa_self = NULL; | |
1499 | ||
1500 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1501 | zlog_debug ("Timer[Type11-LSA]: Originate AS-External Opaque-LSAs"); |
718e3744 | 1502 | |
1503 | rc = opaque_lsa_originate_callback (ospf_opaque_type11_funclist, top); | |
1504 | ||
1505 | return rc; | |
1506 | } | |
1507 | ||
1508 | static void | |
87d6f87a | 1509 | ospf_opaque_lsa_reoriginate_resume (struct list *listtop, void *arg) |
718e3744 | 1510 | { |
1eb8ef25 | 1511 | struct listnode *node, *nnode; |
718e3744 | 1512 | struct opaque_info_per_type *oipt; |
1513 | struct ospf_opaque_functab *functab; | |
1514 | ||
1515 | if (listtop == NULL) | |
1516 | goto out; | |
1517 | ||
1518 | /* | |
1519 | * Pickup oipt entries those which in SUSPEND status, and give | |
1520 | * them a chance to start re-origination now. | |
1521 | */ | |
1eb8ef25 | 1522 | for (ALL_LIST_ELEMENTS (listtop, node, nnode, oipt)) |
718e3744 | 1523 | { |
87d6f87a | 1524 | if (oipt->status != PROC_SUSPEND) |
718e3744 | 1525 | continue; |
1526 | ||
1527 | oipt->status = PROC_NORMAL; | |
1528 | ||
1529 | if ((functab = oipt->functab) == NULL | |
87d6f87a | 1530 | || functab->lsa_originator == NULL) |
718e3744 | 1531 | continue; |
1532 | ||
1533 | if ((* functab->lsa_originator)(arg) != 0) | |
1534 | { | |
1535 | zlog_warn ("ospf_opaque_lsa_reoriginate_resume: Failed (opaque-type=%u)", oipt->opaque_type); | |
1536 | continue; | |
1537 | } | |
1538 | } | |
1539 | ||
1540 | out: | |
1541 | return; | |
1542 | } | |
1543 | ||
1544 | struct ospf_lsa * | |
1545 | ospf_opaque_lsa_install (struct ospf_lsa *lsa, int rt_recalc) | |
1546 | { | |
1547 | struct ospf_lsa *new = NULL; | |
1548 | struct opaque_info_per_type *oipt; | |
1549 | struct opaque_info_per_id *oipi; | |
1550 | struct ospf *top; | |
1551 | ||
1552 | /* Don't take "rt_recalc" into consideration for now. *//* XXX */ | |
1553 | ||
1554 | if (! IS_LSA_SELF (lsa)) | |
1555 | { | |
1556 | new = lsa; /* Don't touch this LSA. */ | |
1557 | goto out; | |
1558 | } | |
1559 | ||
1560 | if (IS_DEBUG_OSPF (lsa, LSA_INSTALL)) | |
2a42e285 | 1561 | zlog_debug ("Install Type-%u Opaque-LSA: [opaque-type=%u, opaque-id=%x]", lsa->data->type, GET_OPAQUE_TYPE (ntohl (lsa->data->id.s_addr)), GET_OPAQUE_ID (ntohl (lsa->data->id.s_addr))); |
718e3744 | 1562 | |
1563 | /* Replace the existing lsa with the new one. */ | |
1564 | if ((oipt = lookup_opaque_info_by_type (lsa)) != NULL | |
87d6f87a | 1565 | && (oipi = lookup_opaque_info_by_id (oipt, lsa)) != NULL) |
718e3744 | 1566 | { |
1fe6ed38 | 1567 | ospf_lsa_unlock (&oipi->lsa); |
718e3744 | 1568 | oipi->lsa = ospf_lsa_lock (lsa); |
1569 | } | |
1570 | /* Register the new lsa entry and get its control info. */ | |
1571 | else | |
1572 | if ((oipi = register_opaque_lsa (lsa)) == NULL) | |
1573 | { | |
1574 | zlog_warn ("ospf_opaque_lsa_install: register_opaque_lsa() ?"); | |
1575 | goto out; | |
1576 | } | |
1577 | ||
1578 | /* | |
1579 | * Make use of a common mechanism (ospf_lsa_refresh_walker) | |
1580 | * for periodic refresh of self-originated Opaque-LSAs. | |
1581 | */ | |
1582 | switch (lsa->data->type) | |
1583 | { | |
1584 | case OSPF_OPAQUE_LINK_LSA: | |
09e4efdc | 1585 | if ((top = oi_to_top (lsa->oi)) == NULL) |
1586 | { | |
1587 | /* Above conditions must have passed. */ | |
1588 | zlog_warn ("ospf_opaque_lsa_install: Sonmething wrong?"); | |
1589 | goto out; | |
1590 | } | |
1591 | break; | |
718e3744 | 1592 | case OSPF_OPAQUE_AREA_LSA: |
68980084 | 1593 | if (lsa->area == NULL || (top = lsa->area->ospf) == NULL) |
718e3744 | 1594 | { |
1595 | /* Above conditions must have passed. */ | |
1596 | zlog_warn ("ospf_opaque_lsa_install: Sonmething wrong?"); | |
1597 | goto out; | |
1598 | } | |
1599 | break; | |
1600 | case OSPF_OPAQUE_AS_LSA: | |
020709f9 | 1601 | top = ospf_lookup (); |
68980084 | 1602 | if (lsa->area != NULL && (top = lsa->area->ospf) == NULL) |
718e3744 | 1603 | { |
1604 | /* Above conditions must have passed. */ | |
1605 | zlog_warn ("ospf_opaque_lsa_install: Sonmething wrong?"); | |
1606 | goto out; | |
1607 | } | |
1608 | break; | |
1609 | default: | |
1610 | zlog_warn ("ospf_opaque_lsa_install: Unexpected LSA-type(%u)", lsa->data->type); | |
1611 | goto out; | |
1612 | } | |
1613 | ||
1614 | ospf_refresher_register_lsa (top, lsa); | |
1615 | new = lsa; | |
1616 | ||
1617 | out: | |
1618 | return new; | |
1619 | } | |
1620 | ||
d71ea652 | 1621 | struct ospf_lsa * |
718e3744 | 1622 | ospf_opaque_lsa_refresh (struct ospf_lsa *lsa) |
1623 | { | |
020709f9 | 1624 | struct ospf *ospf; |
718e3744 | 1625 | struct ospf_opaque_functab *functab; |
d71ea652 PJ |
1626 | struct ospf_lsa *new = NULL; |
1627 | ||
020709f9 | 1628 | ospf = ospf_lookup (); |
1629 | ||
718e3744 | 1630 | if ((functab = ospf_opaque_functab_lookup (lsa)) == NULL |
87d6f87a | 1631 | || functab->lsa_refresher == NULL) |
718e3744 | 1632 | { |
1633 | /* | |
1634 | * Though this LSA seems to have originated on this node, the | |
1635 | * handling module for this "lsa-type and opaque-type" was | |
1636 | * already deleted sometime ago. | |
1637 | * Anyway, this node still has a responsibility to flush this | |
1638 | * LSA from the routing domain. | |
1639 | */ | |
1640 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1641 | zlog_debug ("LSA[Type%d:%s]: Flush stray Opaque-LSA", lsa->data->type, inet_ntoa (lsa->data->id)); |
718e3744 | 1642 | |
1643 | lsa->data->ls_age = htons (OSPF_LSA_MAXAGE); | |
02d942c9 | 1644 | ospf_lsa_flush (ospf, lsa); |
718e3744 | 1645 | } |
1646 | else | |
d71ea652 | 1647 | new = (* functab->lsa_refresher)(lsa); |
718e3744 | 1648 | |
d71ea652 | 1649 | return new; |
718e3744 | 1650 | } |
1651 | ||
1652 | /*------------------------------------------------------------------------* | |
1653 | * Followings are re-origination/refresh/flush operations of Opaque-LSAs, | |
1654 | * triggered by external interventions (vty session, signaling, etc). | |
1655 | *------------------------------------------------------------------------*/ | |
1656 | ||
1657 | #define OSPF_OPAQUE_TIMER_ON(T,F,L,V) \ | |
1658 | if (!(T)) \ | |
ac7424f9 | 1659 | (T) = thread_add_timer_msec (master, (F), (L), (V)) |
718e3744 | 1660 | |
1661 | static struct ospf_lsa *pseudo_lsa (struct ospf_interface *oi, struct ospf_area *area, u_char lsa_type, u_char opaque_type); | |
1662 | static int ospf_opaque_type9_lsa_reoriginate_timer (struct thread *t); | |
1663 | static int ospf_opaque_type10_lsa_reoriginate_timer (struct thread *t); | |
1664 | static int ospf_opaque_type11_lsa_reoriginate_timer (struct thread *t); | |
1665 | static int ospf_opaque_lsa_refresh_timer (struct thread *t); | |
1666 | ||
1667 | void | |
1668 | ospf_opaque_lsa_reoriginate_schedule (void *lsa_type_dependent, | |
1669 | u_char lsa_type, u_char opaque_type) | |
1670 | { | |
1671 | struct ospf *top; | |
1672 | struct ospf_area dummy, *area = NULL; | |
1673 | struct ospf_interface *oi = NULL; | |
1674 | ||
1675 | struct ospf_lsa *lsa; | |
1676 | struct opaque_info_per_type *oipt; | |
87d6f87a | 1677 | int (*func) (struct thread * t) = NULL; |
718e3744 | 1678 | int delay; |
1679 | ||
1680 | switch (lsa_type) | |
1681 | { | |
1682 | case OSPF_OPAQUE_LINK_LSA: | |
1683 | if ((oi = (struct ospf_interface *) lsa_type_dependent) == NULL) | |
1684 | { | |
87d6f87a | 1685 | zlog_warn ("ospf_opaque_lsa_reoriginate_schedule:" |
1686 | " Type-9 Opaque-LSA: Invalid parameter?"); | |
1687 | goto out; | |
718e3744 | 1688 | } |
1689 | if ((top = oi_to_top (oi)) == NULL) | |
1690 | { | |
87d6f87a | 1691 | zlog_warn ("ospf_opaque_lsa_reoriginate_schedule: OI(%s) -> TOP?", |
1692 | IF_NAME (oi)); | |
718e3744 | 1693 | goto out; |
1694 | } | |
87d6f87a | 1695 | if (!list_isempty (ospf_opaque_type9_funclist) |
1696 | && list_isempty (oi->opaque_lsa_self) | |
1697 | && oi->t_opaque_lsa_self != NULL) | |
718e3744 | 1698 | { |
87d6f87a | 1699 | zlog_warn ("Type-9 Opaque-LSA (opaque_type=%u):" |
1700 | " Common origination for OI(%s) has already started", | |
1701 | opaque_type, IF_NAME (oi)); | |
718e3744 | 1702 | goto out; |
1703 | } | |
1704 | func = ospf_opaque_type9_lsa_reoriginate_timer; | |
1705 | break; | |
1706 | case OSPF_OPAQUE_AREA_LSA: | |
1707 | if ((area = (struct ospf_area *) lsa_type_dependent) == NULL) | |
1708 | { | |
87d6f87a | 1709 | zlog_warn ("ospf_opaque_lsa_reoriginate_schedule:" |
1710 | " Type-10 Opaque-LSA: Invalid parameter?"); | |
718e3744 | 1711 | goto out; |
1712 | } | |
68980084 | 1713 | if ((top = area->ospf) == NULL) |
718e3744 | 1714 | { |
87d6f87a | 1715 | zlog_warn ("ospf_opaque_lsa_reoriginate_schedule:" |
1716 | " AREA(%s) -> TOP?", inet_ntoa (area->area_id)); | |
718e3744 | 1717 | goto out; |
1718 | } | |
87d6f87a | 1719 | if (!list_isempty (ospf_opaque_type10_funclist) |
1720 | && list_isempty (area->opaque_lsa_self) | |
1721 | && area->t_opaque_lsa_self != NULL) | |
718e3744 | 1722 | { |
87d6f87a | 1723 | zlog_warn ("Type-10 Opaque-LSA (opaque_type=%u):" |
1724 | " Common origination for AREA(%s) has already started", | |
1725 | opaque_type, inet_ntoa (area->area_id)); | |
718e3744 | 1726 | goto out; |
1727 | } | |
1728 | func = ospf_opaque_type10_lsa_reoriginate_timer; | |
1729 | break; | |
1730 | case OSPF_OPAQUE_AS_LSA: | |
1731 | if ((top = (struct ospf *) lsa_type_dependent) == NULL) | |
1732 | { | |
87d6f87a | 1733 | zlog_warn ("ospf_opaque_lsa_reoriginate_schedule:" |
1734 | " Type-11 Opaque-LSA: Invalid parameter?"); | |
1735 | goto out; | |
718e3744 | 1736 | } |
87d6f87a | 1737 | if (!list_isempty (ospf_opaque_type11_funclist) |
1738 | && list_isempty (top->opaque_lsa_self) | |
1739 | && top->t_opaque_lsa_self != NULL) | |
718e3744 | 1740 | { |
87d6f87a | 1741 | zlog_warn ("Type-11 Opaque-LSA (opaque_type=%u):" |
1742 | " Common origination has already started", opaque_type); | |
718e3744 | 1743 | goto out; |
1744 | } | |
1745 | ||
1746 | /* Fake "area" to pass "ospf" to a lookup function later. */ | |
68980084 | 1747 | dummy.ospf = top; |
718e3744 | 1748 | area = &dummy; |
1749 | ||
1750 | func = ospf_opaque_type11_lsa_reoriginate_timer; | |
1751 | break; | |
1752 | default: | |
87d6f87a | 1753 | zlog_warn ("ospf_opaque_lsa_reoriginate_schedule:" |
1754 | " Unexpected LSA-type(%u)", | |
1755 | lsa_type); | |
718e3744 | 1756 | goto out; |
1757 | } | |
1758 | ||
1759 | /* It may not a right time to schedule reorigination now. */ | |
87d6f87a | 1760 | if (!CHECK_FLAG (top->opaque, OPAQUE_OPERATION_READY_BIT)) |
718e3744 | 1761 | { |
1762 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1763 | zlog_debug ("ospf_opaque_lsa_reoriginate_schedule: Not operational."); |
87d6f87a | 1764 | goto out; /* This is not an error. */ |
718e3744 | 1765 | } |
801e0e14 | 1766 | |
718e3744 | 1767 | /* Generate a dummy lsa to be passed for a lookup function. */ |
1768 | lsa = pseudo_lsa (oi, area, lsa_type, opaque_type); | |
1769 | ||
1770 | if ((oipt = lookup_opaque_info_by_type (lsa)) == NULL) | |
1771 | { | |
1772 | struct ospf_opaque_functab *functab; | |
1773 | if ((functab = ospf_opaque_functab_lookup (lsa)) == NULL) | |
1774 | { | |
87d6f87a | 1775 | zlog_warn ("ospf_opaque_lsa_reoriginate_schedule:" |
1776 | " No associated function?: lsa_type(%u)," | |
1777 | " opaque_type(%u)", | |
1778 | lsa_type, opaque_type); | |
718e3744 | 1779 | goto out; |
1780 | } | |
1781 | if ((oipt = register_opaque_info_per_type (functab, lsa)) == NULL) | |
1782 | { | |
87d6f87a | 1783 | zlog_warn ("ospf_opaque_lsa_reoriginate_schedule:" |
1784 | " Cannot get a control info?: lsa_type(%u)," | |
1785 | " opaque_type(%u)", | |
1786 | lsa_type, opaque_type); | |
718e3744 | 1787 | goto out; |
1788 | } | |
1789 | } | |
1790 | ||
1791 | if (oipt->t_opaque_lsa_self != NULL) | |
1792 | { | |
1793 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1794 | zlog_debug ("Type-%u Opaque-LSA has already scheduled to" |
87d6f87a | 1795 | " RE-ORIGINATE: [opaque-type=%u]", |
1796 | lsa_type, GET_OPAQUE_TYPE (ntohl (lsa->data->id.s_addr))); | |
718e3744 | 1797 | goto out; |
1798 | } | |
1799 | ||
1800 | /* | |
1801 | * Different from initial origination time, in which various conditions | |
1802 | * (opaque capability, neighbor status etc) are assured by caller of | |
1803 | * the originating function "ospf_opaque_lsa_originate_schedule ()", | |
1804 | * it is highly possible that these conditions might not be satisfied | |
1805 | * at the time of re-origination function is to be called. | |
1806 | */ | |
ac7424f9 | 1807 | delay = top->min_ls_interval; /* XXX */ |
718e3744 | 1808 | |
1809 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1810 | zlog_debug ("Schedule Type-%u Opaque-LSA to RE-ORIGINATE in %d" |
ac7424f9 | 1811 | " ms later: [opaque-type=%u]", |
87d6f87a | 1812 | lsa_type, delay, |
1813 | GET_OPAQUE_TYPE (ntohl (lsa->data->id.s_addr))); | |
718e3744 | 1814 | |
ac7424f9 | 1815 | OSPF_OPAQUE_TIMER_ON (oipt->t_opaque_lsa_self, func, oipt, delay * 1000); |
718e3744 | 1816 | |
1817 | out: | |
1818 | return; | |
1819 | } | |
1820 | ||
1821 | static struct ospf_lsa * | |
1822 | pseudo_lsa (struct ospf_interface *oi, struct ospf_area *area, | |
1823 | u_char lsa_type, u_char opaque_type) | |
1824 | { | |
1825 | static struct ospf_lsa lsa = { 0 }; | |
1826 | static struct lsa_header lsah = { 0 }; | |
1827 | u_int32_t tmp; | |
1828 | ||
1829 | lsa.oi = oi; | |
1830 | lsa.area = area; | |
1831 | lsa.data = &lsah; | |
1832 | ||
1833 | lsah.type = lsa_type; | |
1834 | tmp = SET_OPAQUE_LSID (opaque_type, 0); /* Opaque-ID is unused here. */ | |
1835 | lsah.id.s_addr = htonl (tmp); | |
1836 | ||
1837 | return &lsa; | |
1838 | } | |
1839 | ||
1840 | static int | |
1841 | ospf_opaque_type9_lsa_reoriginate_timer (struct thread *t) | |
1842 | { | |
1843 | struct opaque_info_per_type *oipt; | |
1844 | struct ospf_opaque_functab *functab; | |
1845 | struct ospf *top; | |
1846 | struct ospf_interface *oi; | |
1847 | int rc = -1; | |
1848 | ||
1849 | oipt = THREAD_ARG (t); | |
1850 | oipt->t_opaque_lsa_self = NULL; | |
1851 | ||
1852 | if ((functab = oipt->functab) == NULL | |
1853 | || functab->lsa_originator == NULL) | |
1854 | { | |
1855 | zlog_warn ("ospf_opaque_type9_lsa_reoriginate_timer: No associated function?"); | |
1856 | goto out; | |
1857 | } | |
1858 | ||
1859 | oi = (struct ospf_interface *) oipt->owner; | |
1860 | if ((top = oi_to_top (oi)) == NULL) | |
1861 | { | |
1862 | zlog_warn ("ospf_opaque_type9_lsa_reoriginate_timer: Something wrong?"); | |
1863 | goto out; | |
1864 | } | |
1865 | ||
1866 | if (! CHECK_FLAG (top->config, OSPF_OPAQUE_CAPABLE) | |
1867 | || ! ospf_if_is_enable (oi) | |
68980084 | 1868 | || ospf_nbr_count_opaque_capable (oi) == 0) |
718e3744 | 1869 | { |
1870 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1871 | zlog_debug ("Suspend re-origination of Type-9 Opaque-LSAs (opaque-type=%u) for a while...", oipt->opaque_type); |
718e3744 | 1872 | |
1873 | oipt->status = PROC_SUSPEND; | |
1874 | rc = 0; | |
1875 | goto out; | |
1876 | } | |
1877 | ||
1878 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1879 | zlog_debug ("Timer[Type9-LSA]: Re-originate Opaque-LSAs (opaque-type=%u) for OI (%s)", oipt->opaque_type, IF_NAME (oi)); |
718e3744 | 1880 | |
1881 | rc = (* functab->lsa_originator)(oi); | |
1882 | out: | |
1883 | return rc; | |
1884 | } | |
1885 | ||
1886 | static int | |
1887 | ospf_opaque_type10_lsa_reoriginate_timer (struct thread *t) | |
1888 | { | |
1889 | struct opaque_info_per_type *oipt; | |
1890 | struct ospf_opaque_functab *functab; | |
1eb8ef25 | 1891 | struct listnode *node, *nnode; |
718e3744 | 1892 | struct ospf *top; |
1893 | struct ospf_area *area; | |
1894 | struct ospf_interface *oi; | |
1895 | int n, rc = -1; | |
1896 | ||
1897 | oipt = THREAD_ARG (t); | |
1898 | oipt->t_opaque_lsa_self = NULL; | |
1899 | ||
1900 | if ((functab = oipt->functab) == NULL | |
1901 | || functab->lsa_originator == NULL) | |
1902 | { | |
1903 | zlog_warn ("ospf_opaque_type10_lsa_reoriginate_timer: No associated function?"); | |
1904 | goto out; | |
1905 | } | |
1906 | ||
1907 | area = (struct ospf_area *) oipt->owner; | |
68980084 | 1908 | if (area == NULL || (top = area->ospf) == NULL) |
718e3744 | 1909 | { |
1910 | zlog_warn ("ospf_opaque_type10_lsa_reoriginate_timer: Something wrong?"); | |
1911 | goto out; | |
1912 | } | |
1913 | ||
1914 | /* There must be at least one "opaque-capable, full-state" neighbor. */ | |
1915 | n = 0; | |
1eb8ef25 | 1916 | for (ALL_LIST_ELEMENTS (area->oiflist, node, nnode, oi)) |
718e3744 | 1917 | { |
68980084 | 1918 | if ((n = ospf_nbr_count_opaque_capable (oi)) > 0) |
718e3744 | 1919 | break; |
1920 | } | |
1921 | ||
1922 | if (n == 0 || ! CHECK_FLAG (top->config, OSPF_OPAQUE_CAPABLE)) | |
1923 | { | |
1924 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1925 | zlog_debug ("Suspend re-origination of Type-10 Opaque-LSAs" |
87d6f87a | 1926 | " (opaque-type=%u) for a while...", |
1927 | oipt->opaque_type); | |
718e3744 | 1928 | |
1929 | oipt->status = PROC_SUSPEND; | |
1930 | rc = 0; | |
1931 | goto out; | |
1932 | } | |
1933 | ||
1934 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1935 | zlog_debug ("Timer[Type10-LSA]: Re-originate Opaque-LSAs" |
87d6f87a | 1936 | " (opaque-type=%u) for Area %s", |
1937 | oipt->opaque_type, inet_ntoa (area->area_id)); | |
718e3744 | 1938 | |
1939 | rc = (* functab->lsa_originator)(area); | |
1940 | out: | |
1941 | return rc; | |
1942 | } | |
1943 | ||
1944 | static int | |
1945 | 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 | |
87d6f87a | 1956 | || functab->lsa_originator == NULL) |
718e3744 | 1957 | { |
87d6f87a | 1958 | zlog_warn ("ospf_opaque_type11_lsa_reoriginate_timer:" |
1959 | " No associated function?"); | |
718e3744 | 1960 | goto out; |
1961 | } | |
1962 | ||
1963 | if ((top = (struct ospf *) oipt->owner) == NULL) | |
1964 | { | |
1965 | zlog_warn ("ospf_opaque_type11_lsa_reoriginate_timer: Something wrong?"); | |
1966 | goto out; | |
1967 | } | |
1968 | ||
1969 | if (! CHECK_FLAG (top->config, OSPF_OPAQUE_CAPABLE)) | |
1970 | { | |
1971 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1972 | zlog_debug ("Suspend re-origination of Type-11 Opaque-LSAs (opaque-type=%u) for a while...", oipt->opaque_type); |
718e3744 | 1973 | |
1974 | oipt->status = PROC_SUSPEND; | |
1975 | rc = 0; | |
1976 | goto out; | |
1977 | } | |
1978 | ||
1979 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1980 | zlog_debug ("Timer[Type11-LSA]: Re-originate Opaque-LSAs (opaque-type=%u).", oipt->opaque_type); |
718e3744 | 1981 | |
1982 | rc = (* functab->lsa_originator)(top); | |
1983 | out: | |
1984 | return rc; | |
1985 | } | |
1986 | ||
718e3744 | 1987 | void |
1988 | ospf_opaque_lsa_refresh_schedule (struct ospf_lsa *lsa0) | |
1989 | { | |
1990 | struct opaque_info_per_type *oipt; | |
1991 | struct opaque_info_per_id *oipi; | |
1992 | struct ospf_lsa *lsa; | |
16f1b9ee | 1993 | struct ospf *top; |
718e3744 | 1994 | int delay; |
1995 | ||
1996 | if ((oipt = lookup_opaque_info_by_type (lsa0)) == NULL | |
1997 | || (oipi = lookup_opaque_info_by_id (oipt, lsa0)) == NULL) | |
1998 | { | |
1999 | zlog_warn ("ospf_opaque_lsa_refresh_schedule: Invalid parameter?"); | |
2000 | goto out; | |
2001 | } | |
2002 | ||
2003 | /* Given "lsa0" and current "oipi->lsa" may different, but harmless. */ | |
2004 | if ((lsa = oipi->lsa) == NULL) | |
2005 | { | |
2006 | zlog_warn ("ospf_opaque_lsa_refresh_schedule: Something wrong?"); | |
2007 | goto out; | |
2008 | } | |
2009 | ||
2010 | if (oipi->t_opaque_lsa_self != NULL) | |
2011 | { | |
2012 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 2013 | zlog_debug ("Type-%u Opaque-LSA has already scheduled to REFRESH: [opaque-type=%u, opaque-id=%x]", lsa->data->type, GET_OPAQUE_TYPE (ntohl (lsa->data->id.s_addr)), GET_OPAQUE_ID (ntohl (lsa->data->id.s_addr))); |
718e3744 | 2014 | goto out; |
2015 | } | |
2016 | ||
2017 | /* Delete this lsa from neighbor retransmit-list. */ | |
2018 | switch (lsa->data->type) | |
2019 | { | |
2020 | case OSPF_OPAQUE_LINK_LSA: | |
2021 | case OSPF_OPAQUE_AREA_LSA: | |
68980084 | 2022 | ospf_ls_retransmit_delete_nbr_area (lsa->area, lsa); |
718e3744 | 2023 | break; |
2024 | case OSPF_OPAQUE_AS_LSA: | |
16f1b9ee OD |
2025 | top = ospf_lookup (); |
2026 | if ((lsa0->area != NULL) && (lsa0->area->ospf != NULL)) | |
2027 | top = lsa0->area->ospf; | |
2028 | ospf_ls_retransmit_delete_nbr_as (top, lsa); | |
718e3744 | 2029 | break; |
2030 | default: | |
2031 | zlog_warn ("ospf_opaque_lsa_refresh_schedule: Unexpected LSA-type(%u)", lsa->data->type); | |
2032 | goto out; | |
2033 | } | |
2034 | ||
2035 | delay = ospf_lsa_refresh_delay (lsa); | |
2036 | ||
2037 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 2038 | zlog_debug ("Schedule Type-%u Opaque-LSA to REFRESH in %d sec later: [opaque-type=%u, opaque-id=%x]", lsa->data->type, delay, GET_OPAQUE_TYPE (ntohl (lsa->data->id.s_addr)), GET_OPAQUE_ID (ntohl (lsa->data->id.s_addr))); |
718e3744 | 2039 | |
2040 | OSPF_OPAQUE_TIMER_ON (oipi->t_opaque_lsa_self, | |
ac7424f9 | 2041 | ospf_opaque_lsa_refresh_timer, oipi, delay * 1000); |
718e3744 | 2042 | out: |
2043 | return; | |
2044 | } | |
2045 | ||
2046 | static int | |
2047 | ospf_opaque_lsa_refresh_timer (struct thread *t) | |
2048 | { | |
2049 | struct opaque_info_per_id *oipi; | |
2050 | struct ospf_opaque_functab *functab; | |
2051 | struct ospf_lsa *lsa; | |
2052 | ||
2053 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 2054 | zlog_debug ("Timer[Opaque-LSA]: (Opaque-LSA Refresh expire)"); |
718e3744 | 2055 | |
2056 | oipi = THREAD_ARG (t); | |
2057 | oipi->t_opaque_lsa_self = NULL; | |
2058 | ||
2059 | if ((lsa = oipi->lsa) != NULL) | |
2060 | if ((functab = oipi->opqctl_type->functab) != NULL) | |
2061 | if (functab->lsa_refresher != NULL) | |
2062 | (* functab->lsa_refresher)(lsa); | |
2063 | ||
2064 | return 0; | |
2065 | } | |
2066 | ||
2067 | void | |
2068 | ospf_opaque_lsa_flush_schedule (struct ospf_lsa *lsa0) | |
2069 | { | |
2070 | struct opaque_info_per_type *oipt; | |
2071 | struct opaque_info_per_id *oipi; | |
2072 | struct ospf_lsa *lsa; | |
16f1b9ee OD |
2073 | struct ospf *top; |
2074 | ||
2075 | top = ospf_lookup (); | |
718e3744 | 2076 | |
2077 | if ((oipt = lookup_opaque_info_by_type (lsa0)) == NULL | |
2078 | || (oipi = lookup_opaque_info_by_id (oipt, lsa0)) == NULL) | |
2079 | { | |
2080 | zlog_warn ("ospf_opaque_lsa_flush_schedule: Invalid parameter?"); | |
2081 | goto out; | |
2082 | } | |
2083 | ||
2084 | /* Given "lsa0" and current "oipi->lsa" may different, but harmless. */ | |
2085 | if ((lsa = oipi->lsa) == NULL) | |
2086 | { | |
2087 | zlog_warn ("ospf_opaque_lsa_flush_schedule: Something wrong?"); | |
2088 | goto out; | |
2089 | } | |
2090 | ||
2091 | /* Delete this lsa from neighbor retransmit-list. */ | |
2092 | switch (lsa->data->type) | |
2093 | { | |
2094 | case OSPF_OPAQUE_LINK_LSA: | |
2095 | case OSPF_OPAQUE_AREA_LSA: | |
68980084 | 2096 | ospf_ls_retransmit_delete_nbr_area (lsa->area, lsa); |
718e3744 | 2097 | break; |
2098 | case OSPF_OPAQUE_AS_LSA: | |
16f1b9ee OD |
2099 | if ((lsa0->area != NULL) && (lsa0->area->ospf != NULL)) |
2100 | top = lsa0->area->ospf; | |
2101 | ospf_ls_retransmit_delete_nbr_as (top, lsa); | |
718e3744 | 2102 | break; |
2103 | default: | |
2104 | zlog_warn ("ospf_opaque_lsa_flush_schedule: Unexpected LSA-type(%u)", lsa->data->type); | |
2105 | goto out; | |
2106 | } | |
2107 | ||
2108 | /* Dequeue listnode entry from the list. */ | |
2109 | listnode_delete (oipt->id_list, oipi); | |
2110 | ||
2111 | /* Avoid misjudgement in the next lookup. */ | |
2112 | if (listcount (oipt->id_list) == 0) | |
2113 | oipt->id_list->head = oipt->id_list->tail = NULL; | |
2114 | ||
2115 | /* Disassociate internal control information with the given lsa. */ | |
718e3744 | 2116 | free_opaque_info_per_id ((void *) oipi); |
2117 | ||
2118 | /* Force given lsa's age to MaxAge. */ | |
2119 | lsa->data->ls_age = htons (OSPF_LSA_MAXAGE); | |
2120 | ||
2121 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 2122 | zlog_debug ("Schedule Type-%u Opaque-LSA to FLUSH: [opaque-type=%u, opaque-id=%x]", lsa->data->type, GET_OPAQUE_TYPE (ntohl (lsa->data->id.s_addr)), GET_OPAQUE_ID (ntohl (lsa->data->id.s_addr))); |
718e3744 | 2123 | |
2124 | /* This lsa will be flushed and removed eventually. */ | |
16f1b9ee | 2125 | ospf_lsa_flush (top, lsa); |
718e3744 | 2126 | |
2127 | out: | |
2128 | return; | |
2129 | } | |
2130 | ||
718e3744 | 2131 | void |
87d6f87a | 2132 | ospf_opaque_self_originated_lsa_received (struct ospf_neighbor *nbr, |
69310a67 | 2133 | struct ospf_lsa *lsa) |
718e3744 | 2134 | { |
2135 | struct ospf *top; | |
801e0e14 | 2136 | |
718e3744 | 2137 | if ((top = oi_to_top (nbr->oi)) == NULL) |
1fe6ed38 | 2138 | return; |
718e3744 | 2139 | |
69310a67 | 2140 | /* |
2141 | * Since these LSA entries are not yet installed into corresponding | |
2142 | * LSDB, just flush them without calling ospf_ls_maxage() afterward. | |
2143 | */ | |
2144 | lsa->data->ls_age = htons (OSPF_LSA_MAXAGE); | |
2145 | switch (lsa->data->type) | |
718e3744 | 2146 | { |
69310a67 | 2147 | case OSPF_OPAQUE_LINK_LSA: |
69310a67 | 2148 | ospf_flood_through_area (nbr->oi->area, NULL/*inbr*/, lsa); |
2149 | break; | |
2150 | case OSPF_OPAQUE_AREA_LSA: | |
69310a67 | 2151 | ospf_flood_through_area (nbr->oi->area, NULL/*inbr*/, lsa); |
2152 | break; | |
2153 | case OSPF_OPAQUE_AS_LSA: | |
69310a67 | 2154 | ospf_flood_through_as (top, NULL/*inbr*/, lsa); |
2155 | break; | |
2156 | default: | |
2157 | zlog_warn ("ospf_opaque_self_originated_lsa_received: Unexpected LSA-type(%u)", lsa->data->type); | |
1fe6ed38 | 2158 | return; |
718e3744 | 2159 | } |
801e0e14 | 2160 | ospf_lsa_discard (lsa); /* List "lsas" will be deleted by caller. */ |
718e3744 | 2161 | } |
2162 | ||
2163 | /*------------------------------------------------------------------------* | |
2164 | * Followings are util functions; probably be used by Opaque-LSAs only... | |
2165 | *------------------------------------------------------------------------*/ | |
2166 | ||
718e3744 | 2167 | struct ospf * |
2168 | oi_to_top (struct ospf_interface *oi) | |
2169 | { | |
2170 | struct ospf *top = NULL; | |
2171 | struct ospf_area *area; | |
2172 | ||
68980084 | 2173 | if (oi == NULL || (area = oi->area) == NULL || (top = area->ospf) == NULL) |
718e3744 | 2174 | zlog_warn ("Broken relationship for \"OI -> AREA -> OSPF\"?"); |
2175 | ||
2176 | return top; | |
2177 | } | |
2178 |